{"kind": "tool", "major": "18", "item": {"slug": "pg-config", "name": "pg_config", "name_zh": "", "category": "Client applications", "summary": "pg_config \u2014 retrieve information about the installed version of PostgreSQL", "aliases": ["pg_config"], "content_hash": "1669c42c2bcf003f2b628a460a60800c63614b075186cee5f0281271f679b711", "versions": {"10": {"facts": [{"label": "Documented executable", "value": "pg_config"}, {"label": "Executable version", "value": "10.23"}, {"label": "Reference inventory", "value": "Client applications"}, {"label": "Option definition groups", "value": "24"}], "tables": [{"key": "options", "rows": [{"summary": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides.", "signature": {"url": "/docs/10/app-pgconfig.html", "text": "--bindir"}}, {"summary": "Print the location of documentation files.", "signature": {"url": "/docs/10/app-pgconfig.html", "text": "--docdir"}}, {"summary": "Print the location of HTML documentation files.", "signature": {"url": "/docs/10/app-pgconfig.html", "text": "--htmldir"}}, {"summary": "Print the location of C header files of the client interfaces.", "signature": {"url": "/docs/10/app-pgconfig.html", "text": "--includedir"}}, {"summary": "Print the location of other C header files.", "signature": {"url": "/docs/10/app-pgconfig.html", "text": "--pkgincludedir"}}, {"summary": "Print the location of C header files for server programming.", "signature": {"url": "/docs/10/app-pgconfig.html", "text": "--includedir-server"}}, {"summary": "Print the location of object code libraries.", "signature": {"url": "/docs/10/app-pgconfig.html", "text": "--libdir"}}, {"summary": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)", "signature": {"url": "/docs/10/app-pgconfig.html", "text": "--pkglibdir"}}, {"summary": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)", "signature": {"url": "/docs/10/app-pgconfig.html", "text": "--localedir"}}, {"summary": "Print the location of manual pages.", "signature": {"url": "/docs/10/app-pgconfig.html", "text": "--mandir"}}, {"summary": "Print the location of architecture-independent support files.", "signature": {"url": "/docs/10/app-pgconfig.html", "text": "--sharedir"}}, {"summary": "Print the location of system-wide configuration files.", "signature": {"url": "/docs/10/app-pgconfig.html", "text": "--sysconfdir"}}, {"summary": "Print the location of extension makefiles.", "signature": {"url": "/docs/10/app-pgconfig.html", "text": "--pgxs"}}, {"summary": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below.", "signature": {"url": "/docs/10/app-pgconfig.html", "text": "--configure"}}, {"summary": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used.", "signature": {"url": "/docs/10/app-pgconfig.html", "text": "--cc"}}, {"summary": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches).", "signature": {"url": "/docs/10/app-pgconfig.html", "text": "--cppflags"}}, {"summary": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches.", "signature": {"url": "/docs/10/app-pgconfig.html", "text": "--cflags"}}, {"summary": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries.", "signature": {"url": "/docs/10/app-pgconfig.html", "text": "--cflags_sl"}}, {"summary": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches.", "signature": {"url": "/docs/10/app-pgconfig.html", "text": "--ldflags"}}, {"summary": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only.", "signature": {"url": "/docs/10/app-pgconfig.html", "text": "--ldflags_ex"}}, {"summary": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only.", "signature": {"url": "/docs/10/app-pgconfig.html", "text": "--ldflags_sl"}}, {"summary": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL .", "signature": {"url": "/docs/10/app-pgconfig.html", "text": "--libs"}}, {"summary": "Print the version of PostgreSQL .", "signature": {"url": "/docs/10/app-pgconfig.html", "text": "--version"}}, {"summary": "Show help about pg_config command line arguments, and exit.", "signature": {"url": "/docs/10/app-pgconfig.html", "text": "-? --help"}}], "title": "Documented options", "columns": [{"key": "signature", "label": "Option and arguments"}, {"key": "summary", "label": "Description"}]}], "options": [{"names": ["--bindir"], "summary": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides.", "signature": "--bindir", "source_url": "/docs/10/app-pgconfig.html", "description": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides."}, {"names": ["--docdir"], "summary": "Print the location of documentation files.", "signature": "--docdir", "source_url": "/docs/10/app-pgconfig.html", "description": "Print the location of documentation files."}, {"names": ["--htmldir"], "summary": "Print the location of HTML documentation files.", "signature": "--htmldir", "source_url": "/docs/10/app-pgconfig.html", "description": "Print the location of HTML documentation files."}, {"names": ["--includedir"], "summary": "Print the location of C header files of the client interfaces.", "signature": "--includedir", "source_url": "/docs/10/app-pgconfig.html", "description": "Print the location of C header files of the client interfaces."}, {"names": ["--pkgincludedir"], "summary": "Print the location of other C header files.", "signature": "--pkgincludedir", "source_url": "/docs/10/app-pgconfig.html", "description": "Print the location of other C header files."}, {"names": ["--includedir-server"], "summary": "Print the location of C header files for server programming.", "signature": "--includedir-server", "source_url": "/docs/10/app-pgconfig.html", "description": "Print the location of C header files for server programming."}, {"names": ["--libdir"], "summary": "Print the location of object code libraries.", "signature": "--libdir", "source_url": "/docs/10/app-pgconfig.html", "description": "Print the location of object code libraries."}, {"names": ["--pkglibdir"], "summary": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)", "signature": "--pkglibdir", "source_url": "/docs/10/app-pgconfig.html", "description": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)"}, {"names": ["--localedir"], "summary": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)", "signature": "--localedir", "source_url": "/docs/10/app-pgconfig.html", "description": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)"}, {"names": ["--mandir"], "summary": "Print the location of manual pages.", "signature": "--mandir", "source_url": "/docs/10/app-pgconfig.html", "description": "Print the location of manual pages."}, {"names": ["--sharedir"], "summary": "Print the location of architecture-independent support files.", "signature": "--sharedir", "source_url": "/docs/10/app-pgconfig.html", "description": "Print the location of architecture-independent support files."}, {"names": ["--sysconfdir"], "summary": "Print the location of system-wide configuration files.", "signature": "--sysconfdir", "source_url": "/docs/10/app-pgconfig.html", "description": "Print the location of system-wide configuration files."}, {"names": ["--pgxs"], "summary": "Print the location of extension makefiles.", "signature": "--pgxs", "source_url": "/docs/10/app-pgconfig.html", "description": "Print the location of extension makefiles."}, {"names": ["--configure"], "summary": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below.", "signature": "--configure", "source_url": "/docs/10/app-pgconfig.html", "description": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below."}, {"names": ["--cc"], "summary": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used.", "signature": "--cc", "source_url": "/docs/10/app-pgconfig.html", "description": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used."}, {"names": ["--cppflags"], "summary": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches).", "signature": "--cppflags", "source_url": "/docs/10/app-pgconfig.html", "description": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches)."}, {"names": ["--cflags"], "summary": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches.", "signature": "--cflags", "source_url": "/docs/10/app-pgconfig.html", "description": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches."}, {"names": ["--cflags_sl"], "summary": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries.", "signature": "--cflags_sl", "source_url": "/docs/10/app-pgconfig.html", "description": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries."}, {"names": ["--ldflags"], "summary": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches.", "signature": "--ldflags", "source_url": "/docs/10/app-pgconfig.html", "description": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches."}, {"names": ["--ldflags_ex"], "summary": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only.", "signature": "--ldflags_ex", "source_url": "/docs/10/app-pgconfig.html", "description": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only."}, {"names": ["--ldflags_sl"], "summary": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only.", "signature": "--ldflags_sl", "source_url": "/docs/10/app-pgconfig.html", "description": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only."}, {"names": ["--libs"], "summary": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL .", "signature": "--libs", "source_url": "/docs/10/app-pgconfig.html", "description": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL ."}, {"names": ["--version"], "summary": "Print the version of PostgreSQL .", "signature": "--version", "source_url": "/docs/10/app-pgconfig.html", "description": "Print the version of PostgreSQL ."}, {"names": ["-?", "--help"], "summary": "Show help about pg_config command line arguments, and exit.", "signature": "-? --help", "source_url": "/docs/10/app-pgconfig.html", "description": "Show help about pg_config command line arguments, and exit."}], "related": [], "release": {"ref": "https://ftp.postgresql.org/pub/source/v10.23/postgresql-10.23.tar.bz2", "label": "10.23", "major": "10", "channel": "historical", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/10/postgresql-10-A4.pdf", "bytes": 12631706, "pages": 2591, "sha256": "34497ab9efb45c5bdf1bd11b9016b5451354feb462fa029cf74557a5fa5fbbc1", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/10/postgresql-10-US.pdf", "bytes": 12531684, "pages": 2724, "sha256": "429cc7133ddf4f97c560aa466dc9caea4b718721a8321e293357037cf0af4733", "built_at": "2026-09-26"}}, "tree": "10", "index": "index.html", "major": "10", "pages": 1085, "release": "10.23", "source_url": "https://ftp.postgresql.org/pub/source/v10.23/postgresql-10.23.tar.bz2", "svg_assets": 0, "source_mode": "en HTML verified against the pinned official archive", "source_sha256": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "revision": "f9301feba91e2e2566038a36b8cee0e4402db68989538f88670fddd20b1f78ea", "evidence_kind": "English manual and source declarations", "source_sha256": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "sources": [{"url": "/docs/10/app-pgconfig.html", "file": "app-pgconfig.html", "label": "10.23 English manual \u00b7 app-pgconfig.html", "anchor": "", "sha256": "2ba35e75e4b323a6e94c660b4b254ade8130821f5b8f89fdc49d3b054077ce8b"}, {"url": "/docs/10/reference-client.html", "file": "reference-client.html", "label": "Client applications inventory", "anchor": "", "sha256": "e4330732b6acd6c025a1fbdce45574b23d964de847a1b849ea88b98ab628d2e2"}], "sections": [], "synopsis": ["pg_config [ option ...]"], "signature": "pg_config [ option ...]", "description": ["pg_config \u2014 retrieve information about the installed version of PostgreSQL"], "environment": [], "manual_html": "<div><div class=\"refentry\" id=\"APP-PGCONFIG\">\n<div class=\"titlepage\"></div>\n\n<div class=\"refnamediv\">\n<h2><span class=\"refentrytitle\">pg_config</span></h2>\n<p>pg_config \u2014 retrieve information about the installed version of <span class=\"productname\">PostgreSQL</span></p>\n</div>\n<div class=\"refsynopsisdiv\">\n<h2>Synopsis</h2>\n<div class=\"cmdsynopsis\">\n<p id=\"id-1.9.4.11.4.1\"><code class=\"command\">pg_config</code> [<em class=\"replaceable\"><code>option</code></em>...]</p>\n</div>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.11.5\">\n<h2>Description</h2>\n<p>The <span class=\"application\">pg_config</span> utility prints configuration parameters of the currently installed version of <span class=\"productname\">PostgreSQL</span>. It is intended, for example, to be used by software packages that want to interface to <span class=\"productname\">PostgreSQL</span> to facilitate finding the required header files and libraries.</p>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.11.6\">\n<h2>Options</h2>\n<p>To use <span class=\"application\">pg_config</span>, supply one or more of the following options:</p>\n<div class=\"variablelist\">\n<dl class=\"variablelist\">\n<dt><span class=\"term\"><code class=\"option\">--bindir</code></span></dt>\n<dd>\n<p>Print the location of user executables. Use this, for example, to find the <code class=\"command\">psql</code> program. This is normally also the location where the <code class=\"filename\">pg_config</code> program resides.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--docdir</code></span></dt>\n<dd>\n<p>Print the location of documentation files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--htmldir</code></span></dt>\n<dd>\n<p>Print the location of HTML documentation files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--includedir</code></span></dt>\n<dd>\n<p>Print the location of C header files of the client interfaces.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--pkgincludedir</code></span></dt>\n<dd>\n<p>Print the location of other C header files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--includedir-server</code></span></dt>\n<dd>\n<p>Print the location of C header files for server programming.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--libdir</code></span></dt>\n<dd>\n<p>Print the location of object code libraries.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--pkglibdir</code></span></dt>\n<dd>\n<p>Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--localedir</code></span></dt>\n<dd>\n<p>Print the location of locale support files. (This will be an empty string if locale support was not configured when <span class=\"productname\">PostgreSQL</span> was built.)</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--mandir</code></span></dt>\n<dd>\n<p>Print the location of manual pages.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--sharedir</code></span></dt>\n<dd>\n<p>Print the location of architecture-independent support files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--sysconfdir</code></span></dt>\n<dd>\n<p>Print the location of system-wide configuration files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--pgxs</code></span></dt>\n<dd>\n<p>Print the location of extension makefiles.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--configure</code></span></dt>\n<dd>\n<p>Print the options that were given to the <code class=\"filename\">configure</code> script when <span class=\"productname\">PostgreSQL</span> was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cc</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CC</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows the C compiler used.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cppflags</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CPPFLAGS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows C compiler switches needed at preprocessing time (typically, <code class=\"literal\">-I</code> switches).</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cflags</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CFLAGS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows C compiler switches.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cflags_sl</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CFLAGS_SL</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows extra C compiler switches used for building shared libraries.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--ldflags</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LDFLAGS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows linker switches.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--ldflags_ex</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LDFLAGS_EX</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows linker switches used for building executables only.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--ldflags_sl</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LDFLAGS_SL</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows linker switches used for building shared libraries only.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--libs</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LIBS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This normally contains <code class=\"literal\">-l</code> switches for external libraries linked into <span class=\"productname\">PostgreSQL</span>.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--version</code></span></dt>\n<dd>\n<p>Print the version of <span class=\"productname\">PostgreSQL</span>.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">-?</code><br></span><span class=\"term\"><code class=\"option\">--help</code></span></dt>\n<dd>\n<p>Show help about <span class=\"application\">pg_config</span> command line arguments, and exit.</p>\n</dd>\n</dl>\n</div>\n<p>If more than one option is given, the information is printed in that order, one item per line. If no options are given, all available information is printed, with labels.</p>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.11.7\">\n<h2>Notes</h2>\n<p>The options <code class=\"option\">--docdir</code>, <code class=\"option\">--pkgincludedir</code>, <code class=\"option\">--localedir</code>, <code class=\"option\">--mandir</code>, <code class=\"option\">--sharedir</code>, <code class=\"option\">--sysconfdir</code>, <code class=\"option\">--cc</code>, <code class=\"option\">--cppflags</code>, <code class=\"option\">--cflags</code>, <code class=\"option\">--cflags_sl</code>, <code class=\"option\">--ldflags</code>, <code class=\"option\">--ldflags_sl</code>, and <code class=\"option\">--libs</code> were added in <span class=\"productname\">PostgreSQL</span> 8.1. The option <code class=\"option\">--htmldir</code> was added in <span class=\"productname\">PostgreSQL</span> 8.4. The option <code class=\"option\">--ldflags_ex</code> was added in <span class=\"productname\">PostgreSQL</span> 9.0.</p>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.11.8\">\n<h2>Example</h2>\n<p>To reproduce the build configuration of the current PostgreSQL installation, run the following command:</p>\n<pre class=\"programlisting\">eval ./configure `pg_config --configure`\n</pre>\n<p>The output of <code class=\"literal\">pg_config --configure</code> contains shell quotation marks so arguments with spaces are represented correctly. Therefore, using <code class=\"literal\">eval</code> is required for proper results.</p>\n</div>\n</div></div>", "manual_path": "app-pgconfig.html", "comparison_data": {"options": [{"names": ["--bindir"], "signature": "--bindir", "description": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides."}, {"names": ["--docdir"], "signature": "--docdir", "description": "Print the location of documentation files."}, {"names": ["--htmldir"], "signature": "--htmldir", "description": "Print the location of HTML documentation files."}, {"names": ["--includedir"], "signature": "--includedir", "description": "Print the location of C header files of the client interfaces."}, {"names": ["--pkgincludedir"], "signature": "--pkgincludedir", "description": "Print the location of other C header files."}, {"names": ["--includedir-server"], "signature": "--includedir-server", "description": "Print the location of C header files for server programming."}, {"names": ["--libdir"], "signature": "--libdir", "description": "Print the location of object code libraries."}, {"names": ["--pkglibdir"], "signature": "--pkglibdir", "description": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)"}, {"names": ["--localedir"], "signature": "--localedir", "description": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)"}, {"names": ["--mandir"], "signature": "--mandir", "description": "Print the location of manual pages."}, {"names": ["--sharedir"], "signature": "--sharedir", "description": "Print the location of architecture-independent support files."}, {"names": ["--sysconfdir"], "signature": "--sysconfdir", "description": "Print the location of system-wide configuration files."}, {"names": ["--pgxs"], "signature": "--pgxs", "description": "Print the location of extension makefiles."}, {"names": ["--configure"], "signature": "--configure", "description": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below."}, {"names": ["--cc"], "signature": "--cc", "description": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used."}, {"names": ["--cppflags"], "signature": "--cppflags", "description": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches)."}, {"names": ["--cflags"], "signature": "--cflags", "description": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches."}, {"names": ["--cflags_sl"], "signature": "--cflags_sl", "description": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries."}, {"names": ["--ldflags"], "signature": "--ldflags", "description": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches."}, {"names": ["--ldflags_ex"], "signature": "--ldflags_ex", "description": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only."}, {"names": ["--ldflags_sl"], "signature": "--ldflags_sl", "description": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only."}, {"names": ["--libs"], "signature": "--libs", "description": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL ."}, {"names": ["--version"], "signature": "--version", "description": "Print the version of PostgreSQL ."}, {"names": ["-?", "--help"], "signature": "-? --help", "description": "Show help about pg_config command line arguments, and exit."}], "synopsis": ["pg_config [ option ...]"], "environment": []}, "comparison_hash": "248cccc5a7ef651b001ba3bc1551a93a9ce4d99191053e610269d49e7daa3cb5"}, "11": {"facts": [{"label": "Documented executable", "value": "pg_config"}, {"label": "Executable version", "value": "11.22"}, {"label": "Reference inventory", "value": "Client applications"}, {"label": "Option definition groups", "value": "24"}], "tables": [{"key": "options", "rows": [{"summary": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides.", "signature": {"url": "/docs/11/app-pgconfig.html", "text": "--bindir"}}, {"summary": "Print the location of documentation files.", "signature": {"url": "/docs/11/app-pgconfig.html", "text": "--docdir"}}, {"summary": "Print the location of HTML documentation files.", "signature": {"url": "/docs/11/app-pgconfig.html", "text": "--htmldir"}}, {"summary": "Print the location of C header files of the client interfaces.", "signature": {"url": "/docs/11/app-pgconfig.html", "text": "--includedir"}}, {"summary": "Print the location of other C header files.", "signature": {"url": "/docs/11/app-pgconfig.html", "text": "--pkgincludedir"}}, {"summary": "Print the location of C header files for server programming.", "signature": {"url": "/docs/11/app-pgconfig.html", "text": "--includedir-server"}}, {"summary": "Print the location of object code libraries.", "signature": {"url": "/docs/11/app-pgconfig.html", "text": "--libdir"}}, {"summary": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)", "signature": {"url": "/docs/11/app-pgconfig.html", "text": "--pkglibdir"}}, {"summary": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)", "signature": {"url": "/docs/11/app-pgconfig.html", "text": "--localedir"}}, {"summary": "Print the location of manual pages.", "signature": {"url": "/docs/11/app-pgconfig.html", "text": "--mandir"}}, {"summary": "Print the location of architecture-independent support files.", "signature": {"url": "/docs/11/app-pgconfig.html", "text": "--sharedir"}}, {"summary": "Print the location of system-wide configuration files.", "signature": {"url": "/docs/11/app-pgconfig.html", "text": "--sysconfdir"}}, {"summary": "Print the location of extension makefiles.", "signature": {"url": "/docs/11/app-pgconfig.html", "text": "--pgxs"}}, {"summary": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below.", "signature": {"url": "/docs/11/app-pgconfig.html", "text": "--configure"}}, {"summary": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used.", "signature": {"url": "/docs/11/app-pgconfig.html", "text": "--cc"}}, {"summary": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches).", "signature": {"url": "/docs/11/app-pgconfig.html", "text": "--cppflags"}}, {"summary": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches.", "signature": {"url": "/docs/11/app-pgconfig.html", "text": "--cflags"}}, {"summary": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries.", "signature": {"url": "/docs/11/app-pgconfig.html", "text": "--cflags_sl"}}, {"summary": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches.", "signature": {"url": "/docs/11/app-pgconfig.html", "text": "--ldflags"}}, {"summary": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only.", "signature": {"url": "/docs/11/app-pgconfig.html", "text": "--ldflags_ex"}}, {"summary": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only.", "signature": {"url": "/docs/11/app-pgconfig.html", "text": "--ldflags_sl"}}, {"summary": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL .", "signature": {"url": "/docs/11/app-pgconfig.html", "text": "--libs"}}, {"summary": "Print the version of PostgreSQL .", "signature": {"url": "/docs/11/app-pgconfig.html", "text": "--version"}}, {"summary": "Show help about pg_config command line arguments, and exit.", "signature": {"url": "/docs/11/app-pgconfig.html", "text": "-? --help"}}], "title": "Documented options", "columns": [{"key": "signature", "label": "Option and arguments"}, {"key": "summary", "label": "Description"}]}], "options": [{"names": ["--bindir"], "summary": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides.", "signature": "--bindir", "source_url": "/docs/11/app-pgconfig.html", "description": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides."}, {"names": ["--docdir"], "summary": "Print the location of documentation files.", "signature": "--docdir", "source_url": "/docs/11/app-pgconfig.html", "description": "Print the location of documentation files."}, {"names": ["--htmldir"], "summary": "Print the location of HTML documentation files.", "signature": "--htmldir", "source_url": "/docs/11/app-pgconfig.html", "description": "Print the location of HTML documentation files."}, {"names": ["--includedir"], "summary": "Print the location of C header files of the client interfaces.", "signature": "--includedir", "source_url": "/docs/11/app-pgconfig.html", "description": "Print the location of C header files of the client interfaces."}, {"names": ["--pkgincludedir"], "summary": "Print the location of other C header files.", "signature": "--pkgincludedir", "source_url": "/docs/11/app-pgconfig.html", "description": "Print the location of other C header files."}, {"names": ["--includedir-server"], "summary": "Print the location of C header files for server programming.", "signature": "--includedir-server", "source_url": "/docs/11/app-pgconfig.html", "description": "Print the location of C header files for server programming."}, {"names": ["--libdir"], "summary": "Print the location of object code libraries.", "signature": "--libdir", "source_url": "/docs/11/app-pgconfig.html", "description": "Print the location of object code libraries."}, {"names": ["--pkglibdir"], "summary": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)", "signature": "--pkglibdir", "source_url": "/docs/11/app-pgconfig.html", "description": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)"}, {"names": ["--localedir"], "summary": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)", "signature": "--localedir", "source_url": "/docs/11/app-pgconfig.html", "description": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)"}, {"names": ["--mandir"], "summary": "Print the location of manual pages.", "signature": "--mandir", "source_url": "/docs/11/app-pgconfig.html", "description": "Print the location of manual pages."}, {"names": ["--sharedir"], "summary": "Print the location of architecture-independent support files.", "signature": "--sharedir", "source_url": "/docs/11/app-pgconfig.html", "description": "Print the location of architecture-independent support files."}, {"names": ["--sysconfdir"], "summary": "Print the location of system-wide configuration files.", "signature": "--sysconfdir", "source_url": "/docs/11/app-pgconfig.html", "description": "Print the location of system-wide configuration files."}, {"names": ["--pgxs"], "summary": "Print the location of extension makefiles.", "signature": "--pgxs", "source_url": "/docs/11/app-pgconfig.html", "description": "Print the location of extension makefiles."}, {"names": ["--configure"], "summary": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below.", "signature": "--configure", "source_url": "/docs/11/app-pgconfig.html", "description": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below."}, {"names": ["--cc"], "summary": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used.", "signature": "--cc", "source_url": "/docs/11/app-pgconfig.html", "description": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used."}, {"names": ["--cppflags"], "summary": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches).", "signature": "--cppflags", "source_url": "/docs/11/app-pgconfig.html", "description": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches)."}, {"names": ["--cflags"], "summary": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches.", "signature": "--cflags", "source_url": "/docs/11/app-pgconfig.html", "description": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches."}, {"names": ["--cflags_sl"], "summary": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries.", "signature": "--cflags_sl", "source_url": "/docs/11/app-pgconfig.html", "description": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries."}, {"names": ["--ldflags"], "summary": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches.", "signature": "--ldflags", "source_url": "/docs/11/app-pgconfig.html", "description": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches."}, {"names": ["--ldflags_ex"], "summary": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only.", "signature": "--ldflags_ex", "source_url": "/docs/11/app-pgconfig.html", "description": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only."}, {"names": ["--ldflags_sl"], "summary": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only.", "signature": "--ldflags_sl", "source_url": "/docs/11/app-pgconfig.html", "description": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only."}, {"names": ["--libs"], "summary": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL .", "signature": "--libs", "source_url": "/docs/11/app-pgconfig.html", "description": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL ."}, {"names": ["--version"], "summary": "Print the version of PostgreSQL .", "signature": "--version", "source_url": "/docs/11/app-pgconfig.html", "description": "Print the version of PostgreSQL ."}, {"names": ["-?", "--help"], "summary": "Show help about pg_config command line arguments, and exit.", "signature": "-? --help", "source_url": "/docs/11/app-pgconfig.html", "description": "Show help about pg_config command line arguments, and exit."}], "related": [], "release": {"ref": "https://ftp.postgresql.org/pub/source/v11.22/postgresql-11.22.tar.bz2", "label": "11.22", "major": "11", "channel": "historical", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/11/postgresql-11-A4.pdf", "bytes": 13057499, "pages": 2732, "sha256": "41d75855e610d0d9b8802b87dc5b080bef8d7e91c7cf69401fbf8d3cf801b4b5", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/11/postgresql-11-US.pdf", "bytes": 12961189, "pages": 2883, "sha256": "6a8899ef36935a5b7ed2b436207564a567a4ef1eb1c2200195876b8de4d4fa30", "built_at": "2026-09-26"}}, "tree": "11", "index": "index.html", "major": "11", "pages": 1125, "release": "11.22", "source_url": "https://ftp.postgresql.org/pub/source/v11.22/postgresql-11.22.tar.bz2", "svg_assets": 0, "source_mode": "en HTML verified against the pinned official archive", "source_sha256": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "revision": "53315ddaf3b3f9e6669fd1edc096bbb2cd4a65ea3e836c89e542b43af9ba3a7f", "evidence_kind": "English manual and source declarations", "source_sha256": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "sources": [{"url": "/docs/11/app-pgconfig.html", "file": "app-pgconfig.html", "label": "11.22 English manual \u00b7 app-pgconfig.html", "anchor": "", "sha256": "9a1bc69bf8a090cf2295c30707f08c350bf20180c438d4a0d34c6fdb90200af2"}, {"url": "/docs/11/reference-client.html", "file": "reference-client.html", "label": "Client applications inventory", "anchor": "", "sha256": "3a30e696058b118a55cc42892c39671d9bae86f77e1024d5ebcc4688ad9ab4c3"}], "sections": [], "synopsis": ["pg_config [ option ...]"], "signature": "pg_config [ option ...]", "description": ["pg_config \u2014 retrieve information about the installed version of PostgreSQL"], "environment": [], "manual_html": "<div><div class=\"refentry\" id=\"APP-PGCONFIG\">\n<div class=\"titlepage\"></div>\n<div class=\"refnamediv\">\n<h2><span class=\"refentrytitle\">pg_config</span></h2>\n<p>pg_config \u2014 retrieve information about the installed version of <span class=\"productname\">PostgreSQL</span></p>\n</div>\n<div class=\"refsynopsisdiv\">\n<h2>Synopsis</h2>\n<div class=\"cmdsynopsis\">\n<p id=\"id-1.9.4.11.4.1\"><code class=\"command\">pg_config</code> [<em class=\"replaceable\"><code>option</code></em>...]</p>\n</div>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.11.5\">\n<h2>Description</h2>\n<p>The <span class=\"application\">pg_config</span> utility prints configuration parameters of the currently installed version of <span class=\"productname\">PostgreSQL</span>. It is intended, for example, to be used by software packages that want to interface to <span class=\"productname\">PostgreSQL</span> to facilitate finding the required header files and libraries.</p>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.11.6\">\n<h2>Options</h2>\n<p>To use <span class=\"application\">pg_config</span>, supply one or more of the following options:</p>\n<div class=\"variablelist\">\n<dl class=\"variablelist\">\n<dt><span class=\"term\"><code class=\"option\">--bindir</code></span></dt>\n<dd>\n<p>Print the location of user executables. Use this, for example, to find the <code class=\"command\">psql</code> program. This is normally also the location where the <code class=\"filename\">pg_config</code> program resides.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--docdir</code></span></dt>\n<dd>\n<p>Print the location of documentation files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--htmldir</code></span></dt>\n<dd>\n<p>Print the location of HTML documentation files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--includedir</code></span></dt>\n<dd>\n<p>Print the location of C header files of the client interfaces.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--pkgincludedir</code></span></dt>\n<dd>\n<p>Print the location of other C header files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--includedir-server</code></span></dt>\n<dd>\n<p>Print the location of C header files for server programming.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--libdir</code></span></dt>\n<dd>\n<p>Print the location of object code libraries.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--pkglibdir</code></span></dt>\n<dd>\n<p>Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--localedir</code></span></dt>\n<dd>\n<p>Print the location of locale support files. (This will be an empty string if locale support was not configured when <span class=\"productname\">PostgreSQL</span> was built.)</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--mandir</code></span></dt>\n<dd>\n<p>Print the location of manual pages.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--sharedir</code></span></dt>\n<dd>\n<p>Print the location of architecture-independent support files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--sysconfdir</code></span></dt>\n<dd>\n<p>Print the location of system-wide configuration files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--pgxs</code></span></dt>\n<dd>\n<p>Print the location of extension makefiles.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--configure</code></span></dt>\n<dd>\n<p>Print the options that were given to the <code class=\"filename\">configure</code> script when <span class=\"productname\">PostgreSQL</span> was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cc</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CC</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows the C compiler used.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cppflags</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CPPFLAGS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows C compiler switches needed at preprocessing time (typically, <code class=\"literal\">-I</code> switches).</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cflags</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CFLAGS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows C compiler switches.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cflags_sl</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CFLAGS_SL</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows extra C compiler switches used for building shared libraries.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--ldflags</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LDFLAGS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows linker switches.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--ldflags_ex</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LDFLAGS_EX</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows linker switches used for building executables only.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--ldflags_sl</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LDFLAGS_SL</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows linker switches used for building shared libraries only.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--libs</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LIBS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This normally contains <code class=\"literal\">-l</code> switches for external libraries linked into <span class=\"productname\">PostgreSQL</span>.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--version</code></span></dt>\n<dd>\n<p>Print the version of <span class=\"productname\">PostgreSQL</span>.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">-?</code><br></span><span class=\"term\"><code class=\"option\">--help</code></span></dt>\n<dd>\n<p>Show help about <span class=\"application\">pg_config</span> command line arguments, and exit.</p>\n</dd>\n</dl>\n</div>\n<p>If more than one option is given, the information is printed in that order, one item per line. If no options are given, all available information is printed, with labels.</p>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.11.7\">\n<h2>Notes</h2>\n<p>The options <code class=\"option\">--docdir</code>, <code class=\"option\">--pkgincludedir</code>, <code class=\"option\">--localedir</code>, <code class=\"option\">--mandir</code>, <code class=\"option\">--sharedir</code>, <code class=\"option\">--sysconfdir</code>, <code class=\"option\">--cc</code>, <code class=\"option\">--cppflags</code>, <code class=\"option\">--cflags</code>, <code class=\"option\">--cflags_sl</code>, <code class=\"option\">--ldflags</code>, <code class=\"option\">--ldflags_sl</code>, and <code class=\"option\">--libs</code> were added in <span class=\"productname\">PostgreSQL</span> 8.1. The option <code class=\"option\">--htmldir</code> was added in <span class=\"productname\">PostgreSQL</span> 8.4. The option <code class=\"option\">--ldflags_ex</code> was added in <span class=\"productname\">PostgreSQL</span> 9.0.</p>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.11.8\">\n<h2>Example</h2>\n<p>To reproduce the build configuration of the current PostgreSQL installation, run the following command:</p>\n<pre class=\"programlisting\">eval ./configure `pg_config --configure`\n</pre>\n<p>The output of <code class=\"literal\">pg_config --configure</code> contains shell quotation marks so arguments with spaces are represented correctly. Therefore, using <code class=\"literal\">eval</code> is required for proper results.</p>\n</div>\n</div></div>", "manual_path": "app-pgconfig.html", "comparison_data": {"options": [{"names": ["--bindir"], "signature": "--bindir", "description": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides."}, {"names": ["--docdir"], "signature": "--docdir", "description": "Print the location of documentation files."}, {"names": ["--htmldir"], "signature": "--htmldir", "description": "Print the location of HTML documentation files."}, {"names": ["--includedir"], "signature": "--includedir", "description": "Print the location of C header files of the client interfaces."}, {"names": ["--pkgincludedir"], "signature": "--pkgincludedir", "description": "Print the location of other C header files."}, {"names": ["--includedir-server"], "signature": "--includedir-server", "description": "Print the location of C header files for server programming."}, {"names": ["--libdir"], "signature": "--libdir", "description": "Print the location of object code libraries."}, {"names": ["--pkglibdir"], "signature": "--pkglibdir", "description": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)"}, {"names": ["--localedir"], "signature": "--localedir", "description": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)"}, {"names": ["--mandir"], "signature": "--mandir", "description": "Print the location of manual pages."}, {"names": ["--sharedir"], "signature": "--sharedir", "description": "Print the location of architecture-independent support files."}, {"names": ["--sysconfdir"], "signature": "--sysconfdir", "description": "Print the location of system-wide configuration files."}, {"names": ["--pgxs"], "signature": "--pgxs", "description": "Print the location of extension makefiles."}, {"names": ["--configure"], "signature": "--configure", "description": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below."}, {"names": ["--cc"], "signature": "--cc", "description": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used."}, {"names": ["--cppflags"], "signature": "--cppflags", "description": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches)."}, {"names": ["--cflags"], "signature": "--cflags", "description": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches."}, {"names": ["--cflags_sl"], "signature": "--cflags_sl", "description": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries."}, {"names": ["--ldflags"], "signature": "--ldflags", "description": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches."}, {"names": ["--ldflags_ex"], "signature": "--ldflags_ex", "description": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only."}, {"names": ["--ldflags_sl"], "signature": "--ldflags_sl", "description": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only."}, {"names": ["--libs"], "signature": "--libs", "description": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL ."}, {"names": ["--version"], "signature": "--version", "description": "Print the version of PostgreSQL ."}, {"names": ["-?", "--help"], "signature": "-? --help", "description": "Show help about pg_config command line arguments, and exit."}], "synopsis": ["pg_config [ option ...]"], "environment": []}, "comparison_hash": "248cccc5a7ef651b001ba3bc1551a93a9ce4d99191053e610269d49e7daa3cb5"}, "12": {"facts": [{"label": "Documented executable", "value": "pg_config"}, {"label": "Executable version", "value": "12.22"}, {"label": "Reference inventory", "value": "Client applications"}, {"label": "Option definition groups", "value": "24"}], "tables": [{"key": "options", "rows": [{"summary": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides.", "signature": {"url": "/docs/12/app-pgconfig.html", "text": "--bindir"}}, {"summary": "Print the location of documentation files.", "signature": {"url": "/docs/12/app-pgconfig.html", "text": "--docdir"}}, {"summary": "Print the location of HTML documentation files.", "signature": {"url": "/docs/12/app-pgconfig.html", "text": "--htmldir"}}, {"summary": "Print the location of C header files of the client interfaces.", "signature": {"url": "/docs/12/app-pgconfig.html", "text": "--includedir"}}, {"summary": "Print the location of other C header files.", "signature": {"url": "/docs/12/app-pgconfig.html", "text": "--pkgincludedir"}}, {"summary": "Print the location of C header files for server programming.", "signature": {"url": "/docs/12/app-pgconfig.html", "text": "--includedir-server"}}, {"summary": "Print the location of object code libraries.", "signature": {"url": "/docs/12/app-pgconfig.html", "text": "--libdir"}}, {"summary": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)", "signature": {"url": "/docs/12/app-pgconfig.html", "text": "--pkglibdir"}}, {"summary": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)", "signature": {"url": "/docs/12/app-pgconfig.html", "text": "--localedir"}}, {"summary": "Print the location of manual pages.", "signature": {"url": "/docs/12/app-pgconfig.html", "text": "--mandir"}}, {"summary": "Print the location of architecture-independent support files.", "signature": {"url": "/docs/12/app-pgconfig.html", "text": "--sharedir"}}, {"summary": "Print the location of system-wide configuration files.", "signature": {"url": "/docs/12/app-pgconfig.html", "text": "--sysconfdir"}}, {"summary": "Print the location of extension makefiles.", "signature": {"url": "/docs/12/app-pgconfig.html", "text": "--pgxs"}}, {"summary": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below.", "signature": {"url": "/docs/12/app-pgconfig.html", "text": "--configure"}}, {"summary": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used.", "signature": {"url": "/docs/12/app-pgconfig.html", "text": "--cc"}}, {"summary": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches).", "signature": {"url": "/docs/12/app-pgconfig.html", "text": "--cppflags"}}, {"summary": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches.", "signature": {"url": "/docs/12/app-pgconfig.html", "text": "--cflags"}}, {"summary": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries.", "signature": {"url": "/docs/12/app-pgconfig.html", "text": "--cflags_sl"}}, {"summary": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches.", "signature": {"url": "/docs/12/app-pgconfig.html", "text": "--ldflags"}}, {"summary": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only.", "signature": {"url": "/docs/12/app-pgconfig.html", "text": "--ldflags_ex"}}, {"summary": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only.", "signature": {"url": "/docs/12/app-pgconfig.html", "text": "--ldflags_sl"}}, {"summary": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL .", "signature": {"url": "/docs/12/app-pgconfig.html", "text": "--libs"}}, {"summary": "Print the version of PostgreSQL .", "signature": {"url": "/docs/12/app-pgconfig.html", "text": "--version"}}, {"summary": "Show help about pg_config command line arguments, and exit.", "signature": {"url": "/docs/12/app-pgconfig.html", "text": "-? --help"}}], "title": "Documented options", "columns": [{"key": "signature", "label": "Option and arguments"}, {"key": "summary", "label": "Description"}]}], "options": [{"names": ["--bindir"], "summary": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides.", "signature": "--bindir", "source_url": "/docs/12/app-pgconfig.html", "description": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides."}, {"names": ["--docdir"], "summary": "Print the location of documentation files.", "signature": "--docdir", "source_url": "/docs/12/app-pgconfig.html", "description": "Print the location of documentation files."}, {"names": ["--htmldir"], "summary": "Print the location of HTML documentation files.", "signature": "--htmldir", "source_url": "/docs/12/app-pgconfig.html", "description": "Print the location of HTML documentation files."}, {"names": ["--includedir"], "summary": "Print the location of C header files of the client interfaces.", "signature": "--includedir", "source_url": "/docs/12/app-pgconfig.html", "description": "Print the location of C header files of the client interfaces."}, {"names": ["--pkgincludedir"], "summary": "Print the location of other C header files.", "signature": "--pkgincludedir", "source_url": "/docs/12/app-pgconfig.html", "description": "Print the location of other C header files."}, {"names": ["--includedir-server"], "summary": "Print the location of C header files for server programming.", "signature": "--includedir-server", "source_url": "/docs/12/app-pgconfig.html", "description": "Print the location of C header files for server programming."}, {"names": ["--libdir"], "summary": "Print the location of object code libraries.", "signature": "--libdir", "source_url": "/docs/12/app-pgconfig.html", "description": "Print the location of object code libraries."}, {"names": ["--pkglibdir"], "summary": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)", "signature": "--pkglibdir", "source_url": "/docs/12/app-pgconfig.html", "description": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)"}, {"names": ["--localedir"], "summary": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)", "signature": "--localedir", "source_url": "/docs/12/app-pgconfig.html", "description": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)"}, {"names": ["--mandir"], "summary": "Print the location of manual pages.", "signature": "--mandir", "source_url": "/docs/12/app-pgconfig.html", "description": "Print the location of manual pages."}, {"names": ["--sharedir"], "summary": "Print the location of architecture-independent support files.", "signature": "--sharedir", "source_url": "/docs/12/app-pgconfig.html", "description": "Print the location of architecture-independent support files."}, {"names": ["--sysconfdir"], "summary": "Print the location of system-wide configuration files.", "signature": "--sysconfdir", "source_url": "/docs/12/app-pgconfig.html", "description": "Print the location of system-wide configuration files."}, {"names": ["--pgxs"], "summary": "Print the location of extension makefiles.", "signature": "--pgxs", "source_url": "/docs/12/app-pgconfig.html", "description": "Print the location of extension makefiles."}, {"names": ["--configure"], "summary": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below.", "signature": "--configure", "source_url": "/docs/12/app-pgconfig.html", "description": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below."}, {"names": ["--cc"], "summary": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used.", "signature": "--cc", "source_url": "/docs/12/app-pgconfig.html", "description": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used."}, {"names": ["--cppflags"], "summary": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches).", "signature": "--cppflags", "source_url": "/docs/12/app-pgconfig.html", "description": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches)."}, {"names": ["--cflags"], "summary": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches.", "signature": "--cflags", "source_url": "/docs/12/app-pgconfig.html", "description": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches."}, {"names": ["--cflags_sl"], "summary": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries.", "signature": "--cflags_sl", "source_url": "/docs/12/app-pgconfig.html", "description": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries."}, {"names": ["--ldflags"], "summary": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches.", "signature": "--ldflags", "source_url": "/docs/12/app-pgconfig.html", "description": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches."}, {"names": ["--ldflags_ex"], "summary": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only.", "signature": "--ldflags_ex", "source_url": "/docs/12/app-pgconfig.html", "description": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only."}, {"names": ["--ldflags_sl"], "summary": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only.", "signature": "--ldflags_sl", "source_url": "/docs/12/app-pgconfig.html", "description": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only."}, {"names": ["--libs"], "summary": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL .", "signature": "--libs", "source_url": "/docs/12/app-pgconfig.html", "description": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL ."}, {"names": ["--version"], "summary": "Print the version of PostgreSQL .", "signature": "--version", "source_url": "/docs/12/app-pgconfig.html", "description": "Print the version of PostgreSQL ."}, {"names": ["-?", "--help"], "summary": "Show help about pg_config command line arguments, and exit.", "signature": "-? --help", "source_url": "/docs/12/app-pgconfig.html", "description": "Show help about pg_config command line arguments, and exit."}], "related": [], "release": {"ref": "https://ftp.postgresql.org/pub/source/v12.22/postgresql-12.22.tar.bz2", "label": "12.22", "major": "12", "channel": "historical", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/12/postgresql-12-A4.pdf", "bytes": 13424351, "pages": 2803, "sha256": "7422cf53fd1939e7a3d2925231a88b0330e468afa5393627cac0ff86158a0621", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/12/postgresql-12-US.pdf", "bytes": 13322565, "pages": 2958, "sha256": "51f3b04e72907fc38512685946223452ea65f84419c60c66241dfa3396035e77", "built_at": "2026-09-26"}}, "tree": "12", "index": "index.html", "major": "12", "pages": 1131, "release": "12.22", "source_url": "https://ftp.postgresql.org/pub/source/v12.22/postgresql-12.22.tar.bz2", "svg_assets": 2, "source_mode": "en HTML verified against the pinned official archive", "source_sha256": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "revision": "7a827e97cbfacd7febff75f34443e2043e40723de5b6d8c9d81a9430b65a37e4", "evidence_kind": "English manual and source declarations", "source_sha256": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "sources": [{"url": "/docs/12/app-pgconfig.html", "file": "app-pgconfig.html", "label": "12.22 English manual \u00b7 app-pgconfig.html", "anchor": "", "sha256": "ed14926b42500a8ed746914a0e59b76d73c99d551c34f0bd2f83fea4b21ff25f"}, {"url": "/docs/12/reference-client.html", "file": "reference-client.html", "label": "Client applications inventory", "anchor": "", "sha256": "089624dd131f52eea682b304f87a1acb03392ee7bcf78b000699c9b17c7ca22d"}], "sections": [], "synopsis": ["pg_config [ option ...]"], "signature": "pg_config [ option ...]", "description": ["pg_config \u2014 retrieve information about the installed version of PostgreSQL"], "environment": [], "manual_html": "<div><div class=\"refentry\" id=\"APP-PGCONFIG\">\n<div class=\"titlepage\"></div>\n<div class=\"refnamediv\">\n<h2><span class=\"refentrytitle\">pg_config</span></h2>\n<p>pg_config \u2014 retrieve information about the installed version of <span class=\"productname\">PostgreSQL</span></p>\n</div>\n<div class=\"refsynopsisdiv\">\n<h2>Synopsis</h2>\n<div class=\"cmdsynopsis\">\n<p id=\"id-1.9.4.11.4.1\"><code class=\"command\">pg_config</code> [<em class=\"replaceable\"><code>option</code></em>...]</p>\n</div>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.11.5\">\n<h2>Description</h2>\n<p>The <span class=\"application\">pg_config</span> utility prints configuration parameters of the currently installed version of <span class=\"productname\">PostgreSQL</span>. It is intended, for example, to be used by software packages that want to interface to <span class=\"productname\">PostgreSQL</span> to facilitate finding the required header files and libraries.</p>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.11.6\">\n<h2>Options</h2>\n<p>To use <span class=\"application\">pg_config</span>, supply one or more of the following options:</p>\n<div class=\"variablelist\">\n<dl class=\"variablelist\">\n<dt><span class=\"term\"><code class=\"option\">--bindir</code></span></dt>\n<dd>\n<p>Print the location of user executables. Use this, for example, to find the <code class=\"command\">psql</code> program. This is normally also the location where the <code class=\"filename\">pg_config</code> program resides.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--docdir</code></span></dt>\n<dd>\n<p>Print the location of documentation files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--htmldir</code></span></dt>\n<dd>\n<p>Print the location of HTML documentation files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--includedir</code></span></dt>\n<dd>\n<p>Print the location of C header files of the client interfaces.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--pkgincludedir</code></span></dt>\n<dd>\n<p>Print the location of other C header files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--includedir-server</code></span></dt>\n<dd>\n<p>Print the location of C header files for server programming.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--libdir</code></span></dt>\n<dd>\n<p>Print the location of object code libraries.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--pkglibdir</code></span></dt>\n<dd>\n<p>Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--localedir</code></span></dt>\n<dd>\n<p>Print the location of locale support files. (This will be an empty string if locale support was not configured when <span class=\"productname\">PostgreSQL</span> was built.)</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--mandir</code></span></dt>\n<dd>\n<p>Print the location of manual pages.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--sharedir</code></span></dt>\n<dd>\n<p>Print the location of architecture-independent support files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--sysconfdir</code></span></dt>\n<dd>\n<p>Print the location of system-wide configuration files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--pgxs</code></span></dt>\n<dd>\n<p>Print the location of extension makefiles.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--configure</code></span></dt>\n<dd>\n<p>Print the options that were given to the <code class=\"filename\">configure</code> script when <span class=\"productname\">PostgreSQL</span> was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cc</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CC</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows the C compiler used.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cppflags</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CPPFLAGS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows C compiler switches needed at preprocessing time (typically, <code class=\"literal\">-I</code> switches).</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cflags</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CFLAGS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows C compiler switches.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cflags_sl</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CFLAGS_SL</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows extra C compiler switches used for building shared libraries.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--ldflags</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LDFLAGS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows linker switches.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--ldflags_ex</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LDFLAGS_EX</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows linker switches used for building executables only.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--ldflags_sl</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LDFLAGS_SL</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows linker switches used for building shared libraries only.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--libs</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LIBS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This normally contains <code class=\"literal\">-l</code> switches for external libraries linked into <span class=\"productname\">PostgreSQL</span>.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--version</code></span></dt>\n<dd>\n<p>Print the version of <span class=\"productname\">PostgreSQL</span>.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">-?</code><br></span><span class=\"term\"><code class=\"option\">--help</code></span></dt>\n<dd>\n<p>Show help about <span class=\"application\">pg_config</span> command line arguments, and exit.</p>\n</dd>\n</dl>\n</div>\n<p>If more than one option is given, the information is printed in that order, one item per line. If no options are given, all available information is printed, with labels.</p>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.11.7\">\n<h2>Notes</h2>\n<p>The options <code class=\"option\">--docdir</code>, <code class=\"option\">--pkgincludedir</code>, <code class=\"option\">--localedir</code>, <code class=\"option\">--mandir</code>, <code class=\"option\">--sharedir</code>, <code class=\"option\">--sysconfdir</code>, <code class=\"option\">--cc</code>, <code class=\"option\">--cppflags</code>, <code class=\"option\">--cflags</code>, <code class=\"option\">--cflags_sl</code>, <code class=\"option\">--ldflags</code>, <code class=\"option\">--ldflags_sl</code>, and <code class=\"option\">--libs</code> were added in <span class=\"productname\">PostgreSQL</span> 8.1. The option <code class=\"option\">--htmldir</code> was added in <span class=\"productname\">PostgreSQL</span> 8.4. The option <code class=\"option\">--ldflags_ex</code> was added in <span class=\"productname\">PostgreSQL</span> 9.0.</p>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.11.8\">\n<h2>Example</h2>\n<p>To reproduce the build configuration of the current PostgreSQL installation, run the following command:</p>\n<pre class=\"programlisting\">eval ./configure `pg_config --configure`\n</pre>\n<p>The output of <code class=\"literal\">pg_config --configure</code> contains shell quotation marks so arguments with spaces are represented correctly. Therefore, using <code class=\"literal\">eval</code> is required for proper results.</p>\n</div>\n</div></div>", "manual_path": "app-pgconfig.html", "comparison_data": {"options": [{"names": ["--bindir"], "signature": "--bindir", "description": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides."}, {"names": ["--docdir"], "signature": "--docdir", "description": "Print the location of documentation files."}, {"names": ["--htmldir"], "signature": "--htmldir", "description": "Print the location of HTML documentation files."}, {"names": ["--includedir"], "signature": "--includedir", "description": "Print the location of C header files of the client interfaces."}, {"names": ["--pkgincludedir"], "signature": "--pkgincludedir", "description": "Print the location of other C header files."}, {"names": ["--includedir-server"], "signature": "--includedir-server", "description": "Print the location of C header files for server programming."}, {"names": ["--libdir"], "signature": "--libdir", "description": "Print the location of object code libraries."}, {"names": ["--pkglibdir"], "signature": "--pkglibdir", "description": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)"}, {"names": ["--localedir"], "signature": "--localedir", "description": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)"}, {"names": ["--mandir"], "signature": "--mandir", "description": "Print the location of manual pages."}, {"names": ["--sharedir"], "signature": "--sharedir", "description": "Print the location of architecture-independent support files."}, {"names": ["--sysconfdir"], "signature": "--sysconfdir", "description": "Print the location of system-wide configuration files."}, {"names": ["--pgxs"], "signature": "--pgxs", "description": "Print the location of extension makefiles."}, {"names": ["--configure"], "signature": "--configure", "description": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below."}, {"names": ["--cc"], "signature": "--cc", "description": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used."}, {"names": ["--cppflags"], "signature": "--cppflags", "description": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches)."}, {"names": ["--cflags"], "signature": "--cflags", "description": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches."}, {"names": ["--cflags_sl"], "signature": "--cflags_sl", "description": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries."}, {"names": ["--ldflags"], "signature": "--ldflags", "description": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches."}, {"names": ["--ldflags_ex"], "signature": "--ldflags_ex", "description": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only."}, {"names": ["--ldflags_sl"], "signature": "--ldflags_sl", "description": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only."}, {"names": ["--libs"], "signature": "--libs", "description": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL ."}, {"names": ["--version"], "signature": "--version", "description": "Print the version of PostgreSQL ."}, {"names": ["-?", "--help"], "signature": "-? --help", "description": "Show help about pg_config command line arguments, and exit."}], "synopsis": ["pg_config [ option ...]"], "environment": []}, "comparison_hash": "248cccc5a7ef651b001ba3bc1551a93a9ce4d99191053e610269d49e7daa3cb5"}, "13": {"facts": [{"label": "Documented executable", "value": "pg_config"}, {"label": "Executable version", "value": "13.23"}, {"label": "Reference inventory", "value": "Client applications"}, {"label": "Option definition groups", "value": "24"}], "tables": [{"key": "options", "rows": [{"summary": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides.", "signature": {"url": "/docs/13/app-pgconfig.html", "text": "--bindir"}}, {"summary": "Print the location of documentation files.", "signature": {"url": "/docs/13/app-pgconfig.html", "text": "--docdir"}}, {"summary": "Print the location of HTML documentation files.", "signature": {"url": "/docs/13/app-pgconfig.html", "text": "--htmldir"}}, {"summary": "Print the location of C header files of the client interfaces.", "signature": {"url": "/docs/13/app-pgconfig.html", "text": "--includedir"}}, {"summary": "Print the location of other C header files.", "signature": {"url": "/docs/13/app-pgconfig.html", "text": "--pkgincludedir"}}, {"summary": "Print the location of C header files for server programming.", "signature": {"url": "/docs/13/app-pgconfig.html", "text": "--includedir-server"}}, {"summary": "Print the location of object code libraries.", "signature": {"url": "/docs/13/app-pgconfig.html", "text": "--libdir"}}, {"summary": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)", "signature": {"url": "/docs/13/app-pgconfig.html", "text": "--pkglibdir"}}, {"summary": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)", "signature": {"url": "/docs/13/app-pgconfig.html", "text": "--localedir"}}, {"summary": "Print the location of manual pages.", "signature": {"url": "/docs/13/app-pgconfig.html", "text": "--mandir"}}, {"summary": "Print the location of architecture-independent support files.", "signature": {"url": "/docs/13/app-pgconfig.html", "text": "--sharedir"}}, {"summary": "Print the location of system-wide configuration files.", "signature": {"url": "/docs/13/app-pgconfig.html", "text": "--sysconfdir"}}, {"summary": "Print the location of extension makefiles.", "signature": {"url": "/docs/13/app-pgconfig.html", "text": "--pgxs"}}, {"summary": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below.", "signature": {"url": "/docs/13/app-pgconfig.html", "text": "--configure"}}, {"summary": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used.", "signature": {"url": "/docs/13/app-pgconfig.html", "text": "--cc"}}, {"summary": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches).", "signature": {"url": "/docs/13/app-pgconfig.html", "text": "--cppflags"}}, {"summary": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches.", "signature": {"url": "/docs/13/app-pgconfig.html", "text": "--cflags"}}, {"summary": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries.", "signature": {"url": "/docs/13/app-pgconfig.html", "text": "--cflags_sl"}}, {"summary": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches.", "signature": {"url": "/docs/13/app-pgconfig.html", "text": "--ldflags"}}, {"summary": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only.", "signature": {"url": "/docs/13/app-pgconfig.html", "text": "--ldflags_ex"}}, {"summary": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only.", "signature": {"url": "/docs/13/app-pgconfig.html", "text": "--ldflags_sl"}}, {"summary": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL .", "signature": {"url": "/docs/13/app-pgconfig.html", "text": "--libs"}}, {"summary": "Print the version of PostgreSQL .", "signature": {"url": "/docs/13/app-pgconfig.html", "text": "--version"}}, {"summary": "Show help about pg_config command line arguments, and exit.", "signature": {"url": "/docs/13/app-pgconfig.html", "text": "-? --help"}}], "title": "Documented options", "columns": [{"key": "signature", "label": "Option and arguments"}, {"key": "summary", "label": "Description"}]}], "options": [{"names": ["--bindir"], "summary": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides.", "signature": "--bindir", "source_url": "/docs/13/app-pgconfig.html", "description": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides."}, {"names": ["--docdir"], "summary": "Print the location of documentation files.", "signature": "--docdir", "source_url": "/docs/13/app-pgconfig.html", "description": "Print the location of documentation files."}, {"names": ["--htmldir"], "summary": "Print the location of HTML documentation files.", "signature": "--htmldir", "source_url": "/docs/13/app-pgconfig.html", "description": "Print the location of HTML documentation files."}, {"names": ["--includedir"], "summary": "Print the location of C header files of the client interfaces.", "signature": "--includedir", "source_url": "/docs/13/app-pgconfig.html", "description": "Print the location of C header files of the client interfaces."}, {"names": ["--pkgincludedir"], "summary": "Print the location of other C header files.", "signature": "--pkgincludedir", "source_url": "/docs/13/app-pgconfig.html", "description": "Print the location of other C header files."}, {"names": ["--includedir-server"], "summary": "Print the location of C header files for server programming.", "signature": "--includedir-server", "source_url": "/docs/13/app-pgconfig.html", "description": "Print the location of C header files for server programming."}, {"names": ["--libdir"], "summary": "Print the location of object code libraries.", "signature": "--libdir", "source_url": "/docs/13/app-pgconfig.html", "description": "Print the location of object code libraries."}, {"names": ["--pkglibdir"], "summary": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)", "signature": "--pkglibdir", "source_url": "/docs/13/app-pgconfig.html", "description": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)"}, {"names": ["--localedir"], "summary": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)", "signature": "--localedir", "source_url": "/docs/13/app-pgconfig.html", "description": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)"}, {"names": ["--mandir"], "summary": "Print the location of manual pages.", "signature": "--mandir", "source_url": "/docs/13/app-pgconfig.html", "description": "Print the location of manual pages."}, {"names": ["--sharedir"], "summary": "Print the location of architecture-independent support files.", "signature": "--sharedir", "source_url": "/docs/13/app-pgconfig.html", "description": "Print the location of architecture-independent support files."}, {"names": ["--sysconfdir"], "summary": "Print the location of system-wide configuration files.", "signature": "--sysconfdir", "source_url": "/docs/13/app-pgconfig.html", "description": "Print the location of system-wide configuration files."}, {"names": ["--pgxs"], "summary": "Print the location of extension makefiles.", "signature": "--pgxs", "source_url": "/docs/13/app-pgconfig.html", "description": "Print the location of extension makefiles."}, {"names": ["--configure"], "summary": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below.", "signature": "--configure", "source_url": "/docs/13/app-pgconfig.html", "description": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below."}, {"names": ["--cc"], "summary": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used.", "signature": "--cc", "source_url": "/docs/13/app-pgconfig.html", "description": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used."}, {"names": ["--cppflags"], "summary": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches).", "signature": "--cppflags", "source_url": "/docs/13/app-pgconfig.html", "description": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches)."}, {"names": ["--cflags"], "summary": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches.", "signature": "--cflags", "source_url": "/docs/13/app-pgconfig.html", "description": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches."}, {"names": ["--cflags_sl"], "summary": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries.", "signature": "--cflags_sl", "source_url": "/docs/13/app-pgconfig.html", "description": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries."}, {"names": ["--ldflags"], "summary": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches.", "signature": "--ldflags", "source_url": "/docs/13/app-pgconfig.html", "description": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches."}, {"names": ["--ldflags_ex"], "summary": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only.", "signature": "--ldflags_ex", "source_url": "/docs/13/app-pgconfig.html", "description": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only."}, {"names": ["--ldflags_sl"], "summary": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only.", "signature": "--ldflags_sl", "source_url": "/docs/13/app-pgconfig.html", "description": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only."}, {"names": ["--libs"], "summary": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL .", "signature": "--libs", "source_url": "/docs/13/app-pgconfig.html", "description": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL ."}, {"names": ["--version"], "summary": "Print the version of PostgreSQL .", "signature": "--version", "source_url": "/docs/13/app-pgconfig.html", "description": "Print the version of PostgreSQL ."}, {"names": ["-?", "--help"], "summary": "Show help about pg_config command line arguments, and exit.", "signature": "-? --help", "source_url": "/docs/13/app-pgconfig.html", "description": "Show help about pg_config command line arguments, and exit."}], "related": [], "release": {"ref": "https://ftp.postgresql.org/pub/source/v13.23/postgresql-13.23.tar.bz2", "label": "13.23", "major": "13", "channel": "historical", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/13/postgresql-13-A4.pdf", "bytes": 13843239, "pages": 2826, "sha256": "171cc09f90936dbc1cbd503a98ff07ae72ea58ab9771ff051313f1217737799c", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/13/postgresql-13-US.pdf", "bytes": 13739572, "pages": 2984, "sha256": "48d09c6e197d9db4220f41afe83efe848a8661b1b168d3b89419751ecaf6c24d", "built_at": "2026-09-26"}}, "tree": "13", "index": "index.html", "major": "13", "pages": 1139, "release": "13.23", "source_url": "https://ftp.postgresql.org/pub/source/v13.23/postgresql-13.23.tar.bz2", "svg_assets": 3, "source_mode": "en HTML verified against the pinned official archive", "source_sha256": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "revision": "614ee3133270254e476c118cdf6f72af78d4e4b8bbd9b28ed9ab1e14e4e9c0f6", "evidence_kind": "English manual and source declarations", "source_sha256": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "sources": [{"url": "/docs/13/app-pgconfig.html", "file": "app-pgconfig.html", "label": "13.23 English manual \u00b7 app-pgconfig.html", "anchor": "", "sha256": "04dd1d309c220873a4f969e2704d4350a5c559db47bf5b1da6dce7817f9b1348"}, {"url": "/docs/13/reference-client.html", "file": "reference-client.html", "label": "Client applications inventory", "anchor": "", "sha256": "2a16c2982d9803edd4bd6920f76b66083e7f2959182d6a3bcec7ccfbac0a9ad8"}], "sections": [], "synopsis": ["pg_config [ option ...]"], "signature": "pg_config [ option ...]", "description": ["pg_config \u2014 retrieve information about the installed version of PostgreSQL"], "environment": [], "manual_html": "<div><div class=\"refentry\" id=\"APP-PGCONFIG\">\n<div class=\"titlepage\"></div>\n<div class=\"refnamediv\">\n<h2><span class=\"refentrytitle\">pg_config</span></h2>\n<p>pg_config \u2014 retrieve information about the installed version of <span class=\"productname\">PostgreSQL</span></p>\n</div>\n<div class=\"refsynopsisdiv\">\n<h2>Synopsis</h2>\n<div class=\"cmdsynopsis\">\n<p id=\"id-1.9.4.11.4.1\"><code class=\"command\">pg_config</code> [<em class=\"replaceable\"><code>option</code></em>...]</p>\n</div>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.11.5\">\n<h2>Description</h2>\n<p>The <span class=\"application\">pg_config</span> utility prints configuration parameters of the currently installed version of <span class=\"productname\">PostgreSQL</span>. It is intended, for example, to be used by software packages that want to interface to <span class=\"productname\">PostgreSQL</span> to facilitate finding the required header files and libraries.</p>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.11.6\">\n<h2>Options</h2>\n<p>To use <span class=\"application\">pg_config</span>, supply one or more of the following options:</p>\n<div class=\"variablelist\">\n<dl class=\"variablelist\">\n<dt><span class=\"term\"><code class=\"option\">--bindir</code></span></dt>\n<dd>\n<p>Print the location of user executables. Use this, for example, to find the <code class=\"command\">psql</code> program. This is normally also the location where the <code class=\"filename\">pg_config</code> program resides.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--docdir</code></span></dt>\n<dd>\n<p>Print the location of documentation files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--htmldir</code></span></dt>\n<dd>\n<p>Print the location of HTML documentation files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--includedir</code></span></dt>\n<dd>\n<p>Print the location of C header files of the client interfaces.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--pkgincludedir</code></span></dt>\n<dd>\n<p>Print the location of other C header files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--includedir-server</code></span></dt>\n<dd>\n<p>Print the location of C header files for server programming.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--libdir</code></span></dt>\n<dd>\n<p>Print the location of object code libraries.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--pkglibdir</code></span></dt>\n<dd>\n<p>Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--localedir</code></span></dt>\n<dd>\n<p>Print the location of locale support files. (This will be an empty string if locale support was not configured when <span class=\"productname\">PostgreSQL</span> was built.)</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--mandir</code></span></dt>\n<dd>\n<p>Print the location of manual pages.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--sharedir</code></span></dt>\n<dd>\n<p>Print the location of architecture-independent support files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--sysconfdir</code></span></dt>\n<dd>\n<p>Print the location of system-wide configuration files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--pgxs</code></span></dt>\n<dd>\n<p>Print the location of extension makefiles.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--configure</code></span></dt>\n<dd>\n<p>Print the options that were given to the <code class=\"filename\">configure</code> script when <span class=\"productname\">PostgreSQL</span> was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cc</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CC</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows the C compiler used.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cppflags</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CPPFLAGS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows C compiler switches needed at preprocessing time (typically, <code class=\"literal\">-I</code> switches).</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cflags</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CFLAGS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows C compiler switches.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cflags_sl</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CFLAGS_SL</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows extra C compiler switches used for building shared libraries.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--ldflags</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LDFLAGS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows linker switches.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--ldflags_ex</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LDFLAGS_EX</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows linker switches used for building executables only.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--ldflags_sl</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LDFLAGS_SL</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows linker switches used for building shared libraries only.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--libs</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LIBS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This normally contains <code class=\"literal\">-l</code> switches for external libraries linked into <span class=\"productname\">PostgreSQL</span>.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--version</code></span></dt>\n<dd>\n<p>Print the version of <span class=\"productname\">PostgreSQL</span>.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">-?</code><br></span><span class=\"term\"><code class=\"option\">--help</code></span></dt>\n<dd>\n<p>Show help about <span class=\"application\">pg_config</span> command line arguments, and exit.</p>\n</dd>\n</dl>\n</div>\n<p>If more than one option is given, the information is printed in that order, one item per line. If no options are given, all available information is printed, with labels.</p>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.11.7\">\n<h2>Notes</h2>\n<p>The options <code class=\"option\">--docdir</code>, <code class=\"option\">--pkgincludedir</code>, <code class=\"option\">--localedir</code>, <code class=\"option\">--mandir</code>, <code class=\"option\">--sharedir</code>, <code class=\"option\">--sysconfdir</code>, <code class=\"option\">--cc</code>, <code class=\"option\">--cppflags</code>, <code class=\"option\">--cflags</code>, <code class=\"option\">--cflags_sl</code>, <code class=\"option\">--ldflags</code>, <code class=\"option\">--ldflags_sl</code>, and <code class=\"option\">--libs</code> were added in <span class=\"productname\">PostgreSQL</span> 8.1. The option <code class=\"option\">--htmldir</code> was added in <span class=\"productname\">PostgreSQL</span> 8.4. The option <code class=\"option\">--ldflags_ex</code> was added in <span class=\"productname\">PostgreSQL</span> 9.0.</p>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.11.8\">\n<h2>Example</h2>\n<p>To reproduce the build configuration of the current PostgreSQL installation, run the following command:</p>\n<pre class=\"programlisting\">eval ./configure `pg_config --configure`\n</pre>\n<p>The output of <code class=\"literal\">pg_config --configure</code> contains shell quotation marks so arguments with spaces are represented correctly. Therefore, using <code class=\"literal\">eval</code> is required for proper results.</p>\n</div>\n</div></div>", "manual_path": "app-pgconfig.html", "comparison_data": {"options": [{"names": ["--bindir"], "signature": "--bindir", "description": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides."}, {"names": ["--docdir"], "signature": "--docdir", "description": "Print the location of documentation files."}, {"names": ["--htmldir"], "signature": "--htmldir", "description": "Print the location of HTML documentation files."}, {"names": ["--includedir"], "signature": "--includedir", "description": "Print the location of C header files of the client interfaces."}, {"names": ["--pkgincludedir"], "signature": "--pkgincludedir", "description": "Print the location of other C header files."}, {"names": ["--includedir-server"], "signature": "--includedir-server", "description": "Print the location of C header files for server programming."}, {"names": ["--libdir"], "signature": "--libdir", "description": "Print the location of object code libraries."}, {"names": ["--pkglibdir"], "signature": "--pkglibdir", "description": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)"}, {"names": ["--localedir"], "signature": "--localedir", "description": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)"}, {"names": ["--mandir"], "signature": "--mandir", "description": "Print the location of manual pages."}, {"names": ["--sharedir"], "signature": "--sharedir", "description": "Print the location of architecture-independent support files."}, {"names": ["--sysconfdir"], "signature": "--sysconfdir", "description": "Print the location of system-wide configuration files."}, {"names": ["--pgxs"], "signature": "--pgxs", "description": "Print the location of extension makefiles."}, {"names": ["--configure"], "signature": "--configure", "description": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below."}, {"names": ["--cc"], "signature": "--cc", "description": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used."}, {"names": ["--cppflags"], "signature": "--cppflags", "description": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches)."}, {"names": ["--cflags"], "signature": "--cflags", "description": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches."}, {"names": ["--cflags_sl"], "signature": "--cflags_sl", "description": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries."}, {"names": ["--ldflags"], "signature": "--ldflags", "description": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches."}, {"names": ["--ldflags_ex"], "signature": "--ldflags_ex", "description": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only."}, {"names": ["--ldflags_sl"], "signature": "--ldflags_sl", "description": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only."}, {"names": ["--libs"], "signature": "--libs", "description": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL ."}, {"names": ["--version"], "signature": "--version", "description": "Print the version of PostgreSQL ."}, {"names": ["-?", "--help"], "signature": "-? --help", "description": "Show help about pg_config command line arguments, and exit."}], "synopsis": ["pg_config [ option ...]"], "environment": []}, "comparison_hash": "248cccc5a7ef651b001ba3bc1551a93a9ce4d99191053e610269d49e7daa3cb5"}, "14": {"facts": [{"label": "Documented executable", "value": "pg_config"}, {"label": "Executable version", "value": "14.24"}, {"label": "Reference inventory", "value": "Client applications"}, {"label": "Option definition groups", "value": "24"}], "tables": [{"key": "options", "rows": [{"summary": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides.", "signature": {"url": "/docs/14/app-pgconfig.html", "text": "--bindir"}}, {"summary": "Print the location of documentation files.", "signature": {"url": "/docs/14/app-pgconfig.html", "text": "--docdir"}}, {"summary": "Print the location of HTML documentation files.", "signature": {"url": "/docs/14/app-pgconfig.html", "text": "--htmldir"}}, {"summary": "Print the location of C header files of the client interfaces.", "signature": {"url": "/docs/14/app-pgconfig.html", "text": "--includedir"}}, {"summary": "Print the location of other C header files.", "signature": {"url": "/docs/14/app-pgconfig.html", "text": "--pkgincludedir"}}, {"summary": "Print the location of C header files for server programming.", "signature": {"url": "/docs/14/app-pgconfig.html", "text": "--includedir-server"}}, {"summary": "Print the location of object code libraries.", "signature": {"url": "/docs/14/app-pgconfig.html", "text": "--libdir"}}, {"summary": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)", "signature": {"url": "/docs/14/app-pgconfig.html", "text": "--pkglibdir"}}, {"summary": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)", "signature": {"url": "/docs/14/app-pgconfig.html", "text": "--localedir"}}, {"summary": "Print the location of manual pages.", "signature": {"url": "/docs/14/app-pgconfig.html", "text": "--mandir"}}, {"summary": "Print the location of architecture-independent support files.", "signature": {"url": "/docs/14/app-pgconfig.html", "text": "--sharedir"}}, {"summary": "Print the location of system-wide configuration files.", "signature": {"url": "/docs/14/app-pgconfig.html", "text": "--sysconfdir"}}, {"summary": "Print the location of extension makefiles.", "signature": {"url": "/docs/14/app-pgconfig.html", "text": "--pgxs"}}, {"summary": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below.", "signature": {"url": "/docs/14/app-pgconfig.html", "text": "--configure"}}, {"summary": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used.", "signature": {"url": "/docs/14/app-pgconfig.html", "text": "--cc"}}, {"summary": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches).", "signature": {"url": "/docs/14/app-pgconfig.html", "text": "--cppflags"}}, {"summary": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches.", "signature": {"url": "/docs/14/app-pgconfig.html", "text": "--cflags"}}, {"summary": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries.", "signature": {"url": "/docs/14/app-pgconfig.html", "text": "--cflags_sl"}}, {"summary": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches.", "signature": {"url": "/docs/14/app-pgconfig.html", "text": "--ldflags"}}, {"summary": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only.", "signature": {"url": "/docs/14/app-pgconfig.html", "text": "--ldflags_ex"}}, {"summary": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only.", "signature": {"url": "/docs/14/app-pgconfig.html", "text": "--ldflags_sl"}}, {"summary": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL .", "signature": {"url": "/docs/14/app-pgconfig.html", "text": "--libs"}}, {"summary": "Print the version of PostgreSQL .", "signature": {"url": "/docs/14/app-pgconfig.html", "text": "--version"}}, {"summary": "Show help about pg_config command line arguments, and exit.", "signature": {"url": "/docs/14/app-pgconfig.html", "text": "-? --help"}}], "title": "Documented options", "columns": [{"key": "signature", "label": "Option and arguments"}, {"key": "summary", "label": "Description"}]}], "options": [{"names": ["--bindir"], "summary": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides.", "signature": "--bindir", "source_url": "/docs/14/app-pgconfig.html", "description": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides."}, {"names": ["--docdir"], "summary": "Print the location of documentation files.", "signature": "--docdir", "source_url": "/docs/14/app-pgconfig.html", "description": "Print the location of documentation files."}, {"names": ["--htmldir"], "summary": "Print the location of HTML documentation files.", "signature": "--htmldir", "source_url": "/docs/14/app-pgconfig.html", "description": "Print the location of HTML documentation files."}, {"names": ["--includedir"], "summary": "Print the location of C header files of the client interfaces.", "signature": "--includedir", "source_url": "/docs/14/app-pgconfig.html", "description": "Print the location of C header files of the client interfaces."}, {"names": ["--pkgincludedir"], "summary": "Print the location of other C header files.", "signature": "--pkgincludedir", "source_url": "/docs/14/app-pgconfig.html", "description": "Print the location of other C header files."}, {"names": ["--includedir-server"], "summary": "Print the location of C header files for server programming.", "signature": "--includedir-server", "source_url": "/docs/14/app-pgconfig.html", "description": "Print the location of C header files for server programming."}, {"names": ["--libdir"], "summary": "Print the location of object code libraries.", "signature": "--libdir", "source_url": "/docs/14/app-pgconfig.html", "description": "Print the location of object code libraries."}, {"names": ["--pkglibdir"], "summary": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)", "signature": "--pkglibdir", "source_url": "/docs/14/app-pgconfig.html", "description": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)"}, {"names": ["--localedir"], "summary": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)", "signature": "--localedir", "source_url": "/docs/14/app-pgconfig.html", "description": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)"}, {"names": ["--mandir"], "summary": "Print the location of manual pages.", "signature": "--mandir", "source_url": "/docs/14/app-pgconfig.html", "description": "Print the location of manual pages."}, {"names": ["--sharedir"], "summary": "Print the location of architecture-independent support files.", "signature": "--sharedir", "source_url": "/docs/14/app-pgconfig.html", "description": "Print the location of architecture-independent support files."}, {"names": ["--sysconfdir"], "summary": "Print the location of system-wide configuration files.", "signature": "--sysconfdir", "source_url": "/docs/14/app-pgconfig.html", "description": "Print the location of system-wide configuration files."}, {"names": ["--pgxs"], "summary": "Print the location of extension makefiles.", "signature": "--pgxs", "source_url": "/docs/14/app-pgconfig.html", "description": "Print the location of extension makefiles."}, {"names": ["--configure"], "summary": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below.", "signature": "--configure", "source_url": "/docs/14/app-pgconfig.html", "description": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below."}, {"names": ["--cc"], "summary": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used.", "signature": "--cc", "source_url": "/docs/14/app-pgconfig.html", "description": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used."}, {"names": ["--cppflags"], "summary": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches).", "signature": "--cppflags", "source_url": "/docs/14/app-pgconfig.html", "description": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches)."}, {"names": ["--cflags"], "summary": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches.", "signature": "--cflags", "source_url": "/docs/14/app-pgconfig.html", "description": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches."}, {"names": ["--cflags_sl"], "summary": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries.", "signature": "--cflags_sl", "source_url": "/docs/14/app-pgconfig.html", "description": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries."}, {"names": ["--ldflags"], "summary": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches.", "signature": "--ldflags", "source_url": "/docs/14/app-pgconfig.html", "description": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches."}, {"names": ["--ldflags_ex"], "summary": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only.", "signature": "--ldflags_ex", "source_url": "/docs/14/app-pgconfig.html", "description": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only."}, {"names": ["--ldflags_sl"], "summary": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only.", "signature": "--ldflags_sl", "source_url": "/docs/14/app-pgconfig.html", "description": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only."}, {"names": ["--libs"], "summary": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL .", "signature": "--libs", "source_url": "/docs/14/app-pgconfig.html", "description": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL ."}, {"names": ["--version"], "summary": "Print the version of PostgreSQL .", "signature": "--version", "source_url": "/docs/14/app-pgconfig.html", "description": "Print the version of PostgreSQL ."}, {"names": ["-?", "--help"], "summary": "Show help about pg_config command line arguments, and exit.", "signature": "-? --help", "source_url": "/docs/14/app-pgconfig.html", "description": "Show help about pg_config command line arguments, and exit."}], "related": [], "release": {"ref": "https://ftp.postgresql.org/pub/source/v14.24/postgresql-14.24.tar.bz2", "label": "14.24", "major": "14", "channel": "stable", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/14/postgresql-14-A4.pdf", "bytes": 14354704, "pages": 2944, "sha256": "8bc6b9dd7b246888bb77f0a5e8c39a2eae52e9926569832669c7d1600becb27c", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/14/postgresql-14-US.pdf", "bytes": 14242178, "pages": 3102, "sha256": "b7ecb5a5f62d8b9f73a69e25a7d26ba285373bc53168a553bff7b77955506db4", "built_at": "2026-09-26"}}, "tree": "14", "index": "index.html", "major": "14", "pages": 1158, "release": "14.24", "source_url": "https://ftp.postgresql.org/pub/source/v14.24/postgresql-14.24.tar.bz2", "svg_assets": 3, "source_mode": "en HTML verified against the pinned official archive", "source_sha256": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "revision": "588700d46356d8837c77c7c0a4e71e645fe6535983b8f1830aa8f2e4e41c40ae", "evidence_kind": "English manual and source declarations", "source_sha256": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "sources": [{"url": "/docs/14/app-pgconfig.html", "file": "app-pgconfig.html", "label": "14.24 English manual \u00b7 app-pgconfig.html", "anchor": "", "sha256": "a77c23d45cfdd63cbaf1ed8505e9435dad1f570818a6bfe1dd2930db6b707088"}, {"url": "/docs/14/reference-client.html", "file": "reference-client.html", "label": "Client applications inventory", "anchor": "", "sha256": "5a13567a052954dfe494dfaab9f50919faa1ae56023930fdbb78d45e53feccde"}], "sections": [], "synopsis": ["pg_config [ option ...]"], "signature": "pg_config [ option ...]", "description": ["pg_config \u2014 retrieve information about the installed version of PostgreSQL"], "environment": [], "manual_html": "<div><div class=\"refentry\" id=\"APP-PGCONFIG\">\n<div class=\"titlepage\"></div>\n<div class=\"refnamediv\">\n<h2><span class=\"refentrytitle\"><span class=\"application\">pg_config</span></span></h2>\n<p>pg_config \u2014 retrieve information about the installed version of <span class=\"productname\">PostgreSQL</span></p>\n</div>\n<div class=\"refsynopsisdiv\">\n<h2>Synopsis</h2>\n<div class=\"cmdsynopsis\">\n<p id=\"id-1.9.4.12.4.1\"><code class=\"command\">pg_config</code> [<em class=\"replaceable\"><code>option</code></em>...]</p>\n</div>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.12.5\">\n<h2>Description</h2>\n<p>The <span class=\"application\">pg_config</span> utility prints configuration parameters of the currently installed version of <span class=\"productname\">PostgreSQL</span>. It is intended, for example, to be used by software packages that want to interface to <span class=\"productname\">PostgreSQL</span> to facilitate finding the required header files and libraries.</p>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.12.6\">\n<h2>Options</h2>\n<p>To use <span class=\"application\">pg_config</span>, supply one or more of the following options:</p>\n<div class=\"variablelist\">\n<dl class=\"variablelist\">\n<dt><span class=\"term\"><code class=\"option\">--bindir</code></span></dt>\n<dd>\n<p>Print the location of user executables. Use this, for example, to find the <code class=\"command\">psql</code> program. This is normally also the location where the <code class=\"filename\">pg_config</code> program resides.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--docdir</code></span></dt>\n<dd>\n<p>Print the location of documentation files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--htmldir</code></span></dt>\n<dd>\n<p>Print the location of HTML documentation files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--includedir</code></span></dt>\n<dd>\n<p>Print the location of C header files of the client interfaces.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--pkgincludedir</code></span></dt>\n<dd>\n<p>Print the location of other C header files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--includedir-server</code></span></dt>\n<dd>\n<p>Print the location of C header files for server programming.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--libdir</code></span></dt>\n<dd>\n<p>Print the location of object code libraries.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--pkglibdir</code></span></dt>\n<dd>\n<p>Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--localedir</code></span></dt>\n<dd>\n<p>Print the location of locale support files. (This will be an empty string if locale support was not configured when <span class=\"productname\">PostgreSQL</span> was built.)</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--mandir</code></span></dt>\n<dd>\n<p>Print the location of manual pages.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--sharedir</code></span></dt>\n<dd>\n<p>Print the location of architecture-independent support files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--sysconfdir</code></span></dt>\n<dd>\n<p>Print the location of system-wide configuration files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--pgxs</code></span></dt>\n<dd>\n<p>Print the location of extension makefiles.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--configure</code></span></dt>\n<dd>\n<p>Print the options that were given to the <code class=\"filename\">configure</code> script when <span class=\"productname\">PostgreSQL</span> was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cc</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CC</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows the C compiler used.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cppflags</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CPPFLAGS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows C compiler switches needed at preprocessing time (typically, <code class=\"literal\">-I</code> switches).</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cflags</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CFLAGS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows C compiler switches.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cflags_sl</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CFLAGS_SL</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows extra C compiler switches used for building shared libraries.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--ldflags</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LDFLAGS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows linker switches.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--ldflags_ex</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LDFLAGS_EX</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows linker switches used for building executables only.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--ldflags_sl</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LDFLAGS_SL</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows linker switches used for building shared libraries only.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--libs</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LIBS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This normally contains <code class=\"literal\">-l</code> switches for external libraries linked into <span class=\"productname\">PostgreSQL</span>.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--version</code></span></dt>\n<dd>\n<p>Print the version of <span class=\"productname\">PostgreSQL</span>.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">-?</code><br></span><span class=\"term\"><code class=\"option\">--help</code></span></dt>\n<dd>\n<p>Show help about <span class=\"application\">pg_config</span> command line arguments, and exit.</p>\n</dd>\n</dl>\n</div>\n<p>If more than one option is given, the information is printed in that order, one item per line. If no options are given, all available information is printed, with labels.</p>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.12.7\">\n<h2>Notes</h2>\n<p>The options <code class=\"option\">--docdir</code>, <code class=\"option\">--pkgincludedir</code>, <code class=\"option\">--localedir</code>, <code class=\"option\">--mandir</code>, <code class=\"option\">--sharedir</code>, <code class=\"option\">--sysconfdir</code>, <code class=\"option\">--cc</code>, <code class=\"option\">--cppflags</code>, <code class=\"option\">--cflags</code>, <code class=\"option\">--cflags_sl</code>, <code class=\"option\">--ldflags</code>, <code class=\"option\">--ldflags_sl</code>, and <code class=\"option\">--libs</code> were added in <span class=\"productname\">PostgreSQL</span> 8.1. The option <code class=\"option\">--htmldir</code> was added in <span class=\"productname\">PostgreSQL</span> 8.4. The option <code class=\"option\">--ldflags_ex</code> was added in <span class=\"productname\">PostgreSQL</span> 9.0.</p>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.12.8\">\n<h2>Example</h2>\n<p>To reproduce the build configuration of the current PostgreSQL installation, run the following command:</p>\n<pre class=\"programlisting\">eval ./configure `pg_config --configure`\n</pre>\n<p>The output of <code class=\"literal\">pg_config --configure</code> contains shell quotation marks so arguments with spaces are represented correctly. Therefore, using <code class=\"literal\">eval</code> is required for proper results.</p>\n</div>\n</div></div>", "manual_path": "app-pgconfig.html", "comparison_data": {"options": [{"names": ["--bindir"], "signature": "--bindir", "description": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides."}, {"names": ["--docdir"], "signature": "--docdir", "description": "Print the location of documentation files."}, {"names": ["--htmldir"], "signature": "--htmldir", "description": "Print the location of HTML documentation files."}, {"names": ["--includedir"], "signature": "--includedir", "description": "Print the location of C header files of the client interfaces."}, {"names": ["--pkgincludedir"], "signature": "--pkgincludedir", "description": "Print the location of other C header files."}, {"names": ["--includedir-server"], "signature": "--includedir-server", "description": "Print the location of C header files for server programming."}, {"names": ["--libdir"], "signature": "--libdir", "description": "Print the location of object code libraries."}, {"names": ["--pkglibdir"], "signature": "--pkglibdir", "description": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)"}, {"names": ["--localedir"], "signature": "--localedir", "description": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)"}, {"names": ["--mandir"], "signature": "--mandir", "description": "Print the location of manual pages."}, {"names": ["--sharedir"], "signature": "--sharedir", "description": "Print the location of architecture-independent support files."}, {"names": ["--sysconfdir"], "signature": "--sysconfdir", "description": "Print the location of system-wide configuration files."}, {"names": ["--pgxs"], "signature": "--pgxs", "description": "Print the location of extension makefiles."}, {"names": ["--configure"], "signature": "--configure", "description": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below."}, {"names": ["--cc"], "signature": "--cc", "description": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used."}, {"names": ["--cppflags"], "signature": "--cppflags", "description": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches)."}, {"names": ["--cflags"], "signature": "--cflags", "description": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches."}, {"names": ["--cflags_sl"], "signature": "--cflags_sl", "description": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries."}, {"names": ["--ldflags"], "signature": "--ldflags", "description": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches."}, {"names": ["--ldflags_ex"], "signature": "--ldflags_ex", "description": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only."}, {"names": ["--ldflags_sl"], "signature": "--ldflags_sl", "description": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only."}, {"names": ["--libs"], "signature": "--libs", "description": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL ."}, {"names": ["--version"], "signature": "--version", "description": "Print the version of PostgreSQL ."}, {"names": ["-?", "--help"], "signature": "-? --help", "description": "Show help about pg_config command line arguments, and exit."}], "synopsis": ["pg_config [ option ...]"], "environment": []}, "comparison_hash": "248cccc5a7ef651b001ba3bc1551a93a9ce4d99191053e610269d49e7daa3cb5"}, "15": {"facts": [{"label": "Documented executable", "value": "pg_config"}, {"label": "Executable version", "value": "15.19"}, {"label": "Reference inventory", "value": "Client applications"}, {"label": "Option definition groups", "value": "24"}], "tables": [{"key": "options", "rows": [{"summary": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides.", "signature": {"url": "/docs/15/app-pgconfig.html", "text": "--bindir"}}, {"summary": "Print the location of documentation files.", "signature": {"url": "/docs/15/app-pgconfig.html", "text": "--docdir"}}, {"summary": "Print the location of HTML documentation files.", "signature": {"url": "/docs/15/app-pgconfig.html", "text": "--htmldir"}}, {"summary": "Print the location of C header files of the client interfaces.", "signature": {"url": "/docs/15/app-pgconfig.html", "text": "--includedir"}}, {"summary": "Print the location of other C header files.", "signature": {"url": "/docs/15/app-pgconfig.html", "text": "--pkgincludedir"}}, {"summary": "Print the location of C header files for server programming.", "signature": {"url": "/docs/15/app-pgconfig.html", "text": "--includedir-server"}}, {"summary": "Print the location of object code libraries.", "signature": {"url": "/docs/15/app-pgconfig.html", "text": "--libdir"}}, {"summary": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)", "signature": {"url": "/docs/15/app-pgconfig.html", "text": "--pkglibdir"}}, {"summary": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)", "signature": {"url": "/docs/15/app-pgconfig.html", "text": "--localedir"}}, {"summary": "Print the location of manual pages.", "signature": {"url": "/docs/15/app-pgconfig.html", "text": "--mandir"}}, {"summary": "Print the location of architecture-independent support files.", "signature": {"url": "/docs/15/app-pgconfig.html", "text": "--sharedir"}}, {"summary": "Print the location of system-wide configuration files.", "signature": {"url": "/docs/15/app-pgconfig.html", "text": "--sysconfdir"}}, {"summary": "Print the location of extension makefiles.", "signature": {"url": "/docs/15/app-pgconfig.html", "text": "--pgxs"}}, {"summary": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below.", "signature": {"url": "/docs/15/app-pgconfig.html", "text": "--configure"}}, {"summary": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used.", "signature": {"url": "/docs/15/app-pgconfig.html", "text": "--cc"}}, {"summary": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches).", "signature": {"url": "/docs/15/app-pgconfig.html", "text": "--cppflags"}}, {"summary": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches.", "signature": {"url": "/docs/15/app-pgconfig.html", "text": "--cflags"}}, {"summary": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries.", "signature": {"url": "/docs/15/app-pgconfig.html", "text": "--cflags_sl"}}, {"summary": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches.", "signature": {"url": "/docs/15/app-pgconfig.html", "text": "--ldflags"}}, {"summary": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only.", "signature": {"url": "/docs/15/app-pgconfig.html", "text": "--ldflags_ex"}}, {"summary": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only.", "signature": {"url": "/docs/15/app-pgconfig.html", "text": "--ldflags_sl"}}, {"summary": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL .", "signature": {"url": "/docs/15/app-pgconfig.html", "text": "--libs"}}, {"summary": "Print the version of PostgreSQL .", "signature": {"url": "/docs/15/app-pgconfig.html", "text": "--version"}}, {"summary": "Show help about pg_config command line arguments, and exit.", "signature": {"url": "/docs/15/app-pgconfig.html", "text": "-? --help"}}], "title": "Documented options", "columns": [{"key": "signature", "label": "Option and arguments"}, {"key": "summary", "label": "Description"}]}], "options": [{"names": ["--bindir"], "summary": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides.", "signature": "--bindir", "source_url": "/docs/15/app-pgconfig.html", "description": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides."}, {"names": ["--docdir"], "summary": "Print the location of documentation files.", "signature": "--docdir", "source_url": "/docs/15/app-pgconfig.html", "description": "Print the location of documentation files."}, {"names": ["--htmldir"], "summary": "Print the location of HTML documentation files.", "signature": "--htmldir", "source_url": "/docs/15/app-pgconfig.html", "description": "Print the location of HTML documentation files."}, {"names": ["--includedir"], "summary": "Print the location of C header files of the client interfaces.", "signature": "--includedir", "source_url": "/docs/15/app-pgconfig.html", "description": "Print the location of C header files of the client interfaces."}, {"names": ["--pkgincludedir"], "summary": "Print the location of other C header files.", "signature": "--pkgincludedir", "source_url": "/docs/15/app-pgconfig.html", "description": "Print the location of other C header files."}, {"names": ["--includedir-server"], "summary": "Print the location of C header files for server programming.", "signature": "--includedir-server", "source_url": "/docs/15/app-pgconfig.html", "description": "Print the location of C header files for server programming."}, {"names": ["--libdir"], "summary": "Print the location of object code libraries.", "signature": "--libdir", "source_url": "/docs/15/app-pgconfig.html", "description": "Print the location of object code libraries."}, {"names": ["--pkglibdir"], "summary": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)", "signature": "--pkglibdir", "source_url": "/docs/15/app-pgconfig.html", "description": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)"}, {"names": ["--localedir"], "summary": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)", "signature": "--localedir", "source_url": "/docs/15/app-pgconfig.html", "description": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)"}, {"names": ["--mandir"], "summary": "Print the location of manual pages.", "signature": "--mandir", "source_url": "/docs/15/app-pgconfig.html", "description": "Print the location of manual pages."}, {"names": ["--sharedir"], "summary": "Print the location of architecture-independent support files.", "signature": "--sharedir", "source_url": "/docs/15/app-pgconfig.html", "description": "Print the location of architecture-independent support files."}, {"names": ["--sysconfdir"], "summary": "Print the location of system-wide configuration files.", "signature": "--sysconfdir", "source_url": "/docs/15/app-pgconfig.html", "description": "Print the location of system-wide configuration files."}, {"names": ["--pgxs"], "summary": "Print the location of extension makefiles.", "signature": "--pgxs", "source_url": "/docs/15/app-pgconfig.html", "description": "Print the location of extension makefiles."}, {"names": ["--configure"], "summary": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below.", "signature": "--configure", "source_url": "/docs/15/app-pgconfig.html", "description": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below."}, {"names": ["--cc"], "summary": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used.", "signature": "--cc", "source_url": "/docs/15/app-pgconfig.html", "description": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used."}, {"names": ["--cppflags"], "summary": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches).", "signature": "--cppflags", "source_url": "/docs/15/app-pgconfig.html", "description": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches)."}, {"names": ["--cflags"], "summary": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches.", "signature": "--cflags", "source_url": "/docs/15/app-pgconfig.html", "description": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches."}, {"names": ["--cflags_sl"], "summary": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries.", "signature": "--cflags_sl", "source_url": "/docs/15/app-pgconfig.html", "description": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries."}, {"names": ["--ldflags"], "summary": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches.", "signature": "--ldflags", "source_url": "/docs/15/app-pgconfig.html", "description": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches."}, {"names": ["--ldflags_ex"], "summary": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only.", "signature": "--ldflags_ex", "source_url": "/docs/15/app-pgconfig.html", "description": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only."}, {"names": ["--ldflags_sl"], "summary": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only.", "signature": "--ldflags_sl", "source_url": "/docs/15/app-pgconfig.html", "description": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only."}, {"names": ["--libs"], "summary": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL .", "signature": "--libs", "source_url": "/docs/15/app-pgconfig.html", "description": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL ."}, {"names": ["--version"], "summary": "Print the version of PostgreSQL .", "signature": "--version", "source_url": "/docs/15/app-pgconfig.html", "description": "Print the version of PostgreSQL ."}, {"names": ["-?", "--help"], "summary": "Show help about pg_config command line arguments, and exit.", "signature": "-? --help", "source_url": "/docs/15/app-pgconfig.html", "description": "Show help about pg_config command line arguments, and exit."}], "related": [], "release": {"ref": "https://ftp.postgresql.org/pub/source/v15.19/postgresql-15.19.tar.bz2", "label": "15.19", "major": "15", "channel": "stable", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/15/postgresql-15-A4.pdf", "bytes": 14609140, "pages": 2987, "sha256": "66228564a4d16efb47d6a914085716ecfe22ca1566db56bc7c3d82f790646d72", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/15/postgresql-15-US.pdf", "bytes": 14495690, "pages": 3153, "sha256": "645a498c2390d47a6223ec74770631185807a19c484edb0fc5a295d9f460bc02", "built_at": "2026-09-26"}}, "tree": "15", "index": "index.html", "major": "15", "pages": 1168, "release": "15.19", "source_url": "https://ftp.postgresql.org/pub/source/v15.19/postgresql-15.19.tar.bz2", "svg_assets": 3, "source_mode": "en HTML verified against the pinned official archive", "source_sha256": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "revision": "6af958c6520151fc7697d56e0616b03fb00522c4568158674d452ae0644ba545", "evidence_kind": "English manual and source declarations", "source_sha256": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "sources": [{"url": "/docs/15/app-pgconfig.html", "file": "app-pgconfig.html", "label": "15.19 English manual \u00b7 app-pgconfig.html", "anchor": "", "sha256": "6e35c1e547df024915592171992fe5ebe5a29d85cfa3f21ef81d337961bc02e2"}, {"url": "/docs/15/reference-client.html", "file": "reference-client.html", "label": "Client applications inventory", "anchor": "", "sha256": "015b2ea2bd205946a55a1b837e735570631bac831c92074a6bf58444f9a3cb98"}], "sections": [], "synopsis": ["pg_config [ option ...]"], "signature": "pg_config [ option ...]", "description": ["pg_config \u2014 retrieve information about the installed version of PostgreSQL"], "environment": [], "manual_html": "<div><div class=\"refentry\" id=\"APP-PGCONFIG\">\n<div class=\"titlepage\"></div>\n<div class=\"refnamediv\">\n<h2><span class=\"refentrytitle\"><span class=\"application\">pg_config</span></span></h2>\n<p>pg_config \u2014 retrieve information about the installed version of <span class=\"productname\">PostgreSQL</span></p>\n</div>\n<div class=\"refsynopsisdiv\">\n<h2>Synopsis</h2>\n<div class=\"cmdsynopsis\">\n<p id=\"id-1.9.4.12.4.1\"><code class=\"command\">pg_config</code> [<em class=\"replaceable\"><code>option</code></em>...]</p>\n</div>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.12.5\">\n<h2>Description</h2>\n<p>The <span class=\"application\">pg_config</span> utility prints configuration parameters of the currently installed version of <span class=\"productname\">PostgreSQL</span>. It is intended, for example, to be used by software packages that want to interface to <span class=\"productname\">PostgreSQL</span> to facilitate finding the required header files and libraries.</p>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.12.6\">\n<h2>Options</h2>\n<p>To use <span class=\"application\">pg_config</span>, supply one or more of the following options:</p>\n<div class=\"variablelist\">\n<dl class=\"variablelist\">\n<dt><span class=\"term\"><code class=\"option\">--bindir</code></span></dt>\n<dd>\n<p>Print the location of user executables. Use this, for example, to find the <code class=\"command\">psql</code> program. This is normally also the location where the <code class=\"filename\">pg_config</code> program resides.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--docdir</code></span></dt>\n<dd>\n<p>Print the location of documentation files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--htmldir</code></span></dt>\n<dd>\n<p>Print the location of HTML documentation files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--includedir</code></span></dt>\n<dd>\n<p>Print the location of C header files of the client interfaces.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--pkgincludedir</code></span></dt>\n<dd>\n<p>Print the location of other C header files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--includedir-server</code></span></dt>\n<dd>\n<p>Print the location of C header files for server programming.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--libdir</code></span></dt>\n<dd>\n<p>Print the location of object code libraries.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--pkglibdir</code></span></dt>\n<dd>\n<p>Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--localedir</code></span></dt>\n<dd>\n<p>Print the location of locale support files. (This will be an empty string if locale support was not configured when <span class=\"productname\">PostgreSQL</span> was built.)</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--mandir</code></span></dt>\n<dd>\n<p>Print the location of manual pages.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--sharedir</code></span></dt>\n<dd>\n<p>Print the location of architecture-independent support files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--sysconfdir</code></span></dt>\n<dd>\n<p>Print the location of system-wide configuration files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--pgxs</code></span></dt>\n<dd>\n<p>Print the location of extension makefiles.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--configure</code></span></dt>\n<dd>\n<p>Print the options that were given to the <code class=\"filename\">configure</code> script when <span class=\"productname\">PostgreSQL</span> was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cc</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CC</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows the C compiler used.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cppflags</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CPPFLAGS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows C compiler switches needed at preprocessing time (typically, <code class=\"literal\">-I</code> switches).</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cflags</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CFLAGS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows C compiler switches.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cflags_sl</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CFLAGS_SL</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows extra C compiler switches used for building shared libraries.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--ldflags</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LDFLAGS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows linker switches.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--ldflags_ex</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LDFLAGS_EX</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows linker switches used for building executables only.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--ldflags_sl</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LDFLAGS_SL</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows linker switches used for building shared libraries only.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--libs</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LIBS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This normally contains <code class=\"literal\">-l</code> switches for external libraries linked into <span class=\"productname\">PostgreSQL</span>.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--version</code></span></dt>\n<dd>\n<p>Print the version of <span class=\"productname\">PostgreSQL</span>.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">-?</code><br></span><span class=\"term\"><code class=\"option\">--help</code></span></dt>\n<dd>\n<p>Show help about <span class=\"application\">pg_config</span> command line arguments, and exit.</p>\n</dd>\n</dl>\n</div>\n<p>If more than one option is given, the information is printed in that order, one item per line. If no options are given, all available information is printed, with labels.</p>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.12.7\">\n<h2>Notes</h2>\n<p>The options <code class=\"option\">--docdir</code>, <code class=\"option\">--pkgincludedir</code>, <code class=\"option\">--localedir</code>, <code class=\"option\">--mandir</code>, <code class=\"option\">--sharedir</code>, <code class=\"option\">--sysconfdir</code>, <code class=\"option\">--cc</code>, <code class=\"option\">--cppflags</code>, <code class=\"option\">--cflags</code>, <code class=\"option\">--cflags_sl</code>, <code class=\"option\">--ldflags</code>, <code class=\"option\">--ldflags_sl</code>, and <code class=\"option\">--libs</code> were added in <span class=\"productname\">PostgreSQL</span> 8.1. The option <code class=\"option\">--htmldir</code> was added in <span class=\"productname\">PostgreSQL</span> 8.4. The option <code class=\"option\">--ldflags_ex</code> was added in <span class=\"productname\">PostgreSQL</span> 9.0.</p>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.12.8\">\n<h2>Example</h2>\n<p>To reproduce the build configuration of the current PostgreSQL installation, run the following command:</p>\n<pre class=\"programlisting\">eval ./configure `pg_config --configure`\n</pre>\n<p>The output of <code class=\"literal\">pg_config --configure</code> contains shell quotation marks so arguments with spaces are represented correctly. Therefore, using <code class=\"literal\">eval</code> is required for proper results.</p>\n</div>\n</div></div>", "manual_path": "app-pgconfig.html", "comparison_data": {"options": [{"names": ["--bindir"], "signature": "--bindir", "description": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides."}, {"names": ["--docdir"], "signature": "--docdir", "description": "Print the location of documentation files."}, {"names": ["--htmldir"], "signature": "--htmldir", "description": "Print the location of HTML documentation files."}, {"names": ["--includedir"], "signature": "--includedir", "description": "Print the location of C header files of the client interfaces."}, {"names": ["--pkgincludedir"], "signature": "--pkgincludedir", "description": "Print the location of other C header files."}, {"names": ["--includedir-server"], "signature": "--includedir-server", "description": "Print the location of C header files for server programming."}, {"names": ["--libdir"], "signature": "--libdir", "description": "Print the location of object code libraries."}, {"names": ["--pkglibdir"], "signature": "--pkglibdir", "description": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)"}, {"names": ["--localedir"], "signature": "--localedir", "description": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)"}, {"names": ["--mandir"], "signature": "--mandir", "description": "Print the location of manual pages."}, {"names": ["--sharedir"], "signature": "--sharedir", "description": "Print the location of architecture-independent support files."}, {"names": ["--sysconfdir"], "signature": "--sysconfdir", "description": "Print the location of system-wide configuration files."}, {"names": ["--pgxs"], "signature": "--pgxs", "description": "Print the location of extension makefiles."}, {"names": ["--configure"], "signature": "--configure", "description": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below."}, {"names": ["--cc"], "signature": "--cc", "description": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used."}, {"names": ["--cppflags"], "signature": "--cppflags", "description": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches)."}, {"names": ["--cflags"], "signature": "--cflags", "description": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches."}, {"names": ["--cflags_sl"], "signature": "--cflags_sl", "description": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries."}, {"names": ["--ldflags"], "signature": "--ldflags", "description": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches."}, {"names": ["--ldflags_ex"], "signature": "--ldflags_ex", "description": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only."}, {"names": ["--ldflags_sl"], "signature": "--ldflags_sl", "description": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only."}, {"names": ["--libs"], "signature": "--libs", "description": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL ."}, {"names": ["--version"], "signature": "--version", "description": "Print the version of PostgreSQL ."}, {"names": ["-?", "--help"], "signature": "-? --help", "description": "Show help about pg_config command line arguments, and exit."}], "synopsis": ["pg_config [ option ...]"], "environment": []}, "comparison_hash": "248cccc5a7ef651b001ba3bc1551a93a9ce4d99191053e610269d49e7daa3cb5"}, "16": {"facts": [{"label": "Documented executable", "value": "pg_config"}, {"label": "Executable version", "value": "16.15"}, {"label": "Reference inventory", "value": "Client applications"}, {"label": "Option definition groups", "value": "24"}], "tables": [{"key": "options", "rows": [{"summary": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides.", "signature": {"url": "/docs/16/app-pgconfig.html", "text": "--bindir"}}, {"summary": "Print the location of documentation files.", "signature": {"url": "/docs/16/app-pgconfig.html", "text": "--docdir"}}, {"summary": "Print the location of HTML documentation files.", "signature": {"url": "/docs/16/app-pgconfig.html", "text": "--htmldir"}}, {"summary": "Print the location of C header files of the client interfaces.", "signature": {"url": "/docs/16/app-pgconfig.html", "text": "--includedir"}}, {"summary": "Print the location of other C header files.", "signature": {"url": "/docs/16/app-pgconfig.html", "text": "--pkgincludedir"}}, {"summary": "Print the location of C header files for server programming.", "signature": {"url": "/docs/16/app-pgconfig.html", "text": "--includedir-server"}}, {"summary": "Print the location of object code libraries.", "signature": {"url": "/docs/16/app-pgconfig.html", "text": "--libdir"}}, {"summary": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)", "signature": {"url": "/docs/16/app-pgconfig.html", "text": "--pkglibdir"}}, {"summary": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)", "signature": {"url": "/docs/16/app-pgconfig.html", "text": "--localedir"}}, {"summary": "Print the location of manual pages.", "signature": {"url": "/docs/16/app-pgconfig.html", "text": "--mandir"}}, {"summary": "Print the location of architecture-independent support files.", "signature": {"url": "/docs/16/app-pgconfig.html", "text": "--sharedir"}}, {"summary": "Print the location of system-wide configuration files.", "signature": {"url": "/docs/16/app-pgconfig.html", "text": "--sysconfdir"}}, {"summary": "Print the location of extension makefiles.", "signature": {"url": "/docs/16/app-pgconfig.html", "text": "--pgxs"}}, {"summary": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below.", "signature": {"url": "/docs/16/app-pgconfig.html", "text": "--configure"}}, {"summary": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used.", "signature": {"url": "/docs/16/app-pgconfig.html", "text": "--cc"}}, {"summary": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches).", "signature": {"url": "/docs/16/app-pgconfig.html", "text": "--cppflags"}}, {"summary": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches.", "signature": {"url": "/docs/16/app-pgconfig.html", "text": "--cflags"}}, {"summary": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries.", "signature": {"url": "/docs/16/app-pgconfig.html", "text": "--cflags_sl"}}, {"summary": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches.", "signature": {"url": "/docs/16/app-pgconfig.html", "text": "--ldflags"}}, {"summary": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only.", "signature": {"url": "/docs/16/app-pgconfig.html", "text": "--ldflags_ex"}}, {"summary": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only.", "signature": {"url": "/docs/16/app-pgconfig.html", "text": "--ldflags_sl"}}, {"summary": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL .", "signature": {"url": "/docs/16/app-pgconfig.html", "text": "--libs"}}, {"summary": "Print the version of PostgreSQL .", "signature": {"url": "/docs/16/app-pgconfig.html", "text": "--version"}}, {"summary": "Show help about pg_config command line arguments, and exit.", "signature": {"url": "/docs/16/app-pgconfig.html", "text": "-? --help"}}], "title": "Documented options", "columns": [{"key": "signature", "label": "Option and arguments"}, {"key": "summary", "label": "Description"}]}], "options": [{"names": ["--bindir"], "summary": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides.", "signature": "--bindir", "source_url": "/docs/16/app-pgconfig.html", "description": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides."}, {"names": ["--docdir"], "summary": "Print the location of documentation files.", "signature": "--docdir", "source_url": "/docs/16/app-pgconfig.html", "description": "Print the location of documentation files."}, {"names": ["--htmldir"], "summary": "Print the location of HTML documentation files.", "signature": "--htmldir", "source_url": "/docs/16/app-pgconfig.html", "description": "Print the location of HTML documentation files."}, {"names": ["--includedir"], "summary": "Print the location of C header files of the client interfaces.", "signature": "--includedir", "source_url": "/docs/16/app-pgconfig.html", "description": "Print the location of C header files of the client interfaces."}, {"names": ["--pkgincludedir"], "summary": "Print the location of other C header files.", "signature": "--pkgincludedir", "source_url": "/docs/16/app-pgconfig.html", "description": "Print the location of other C header files."}, {"names": ["--includedir-server"], "summary": "Print the location of C header files for server programming.", "signature": "--includedir-server", "source_url": "/docs/16/app-pgconfig.html", "description": "Print the location of C header files for server programming."}, {"names": ["--libdir"], "summary": "Print the location of object code libraries.", "signature": "--libdir", "source_url": "/docs/16/app-pgconfig.html", "description": "Print the location of object code libraries."}, {"names": ["--pkglibdir"], "summary": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)", "signature": "--pkglibdir", "source_url": "/docs/16/app-pgconfig.html", "description": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)"}, {"names": ["--localedir"], "summary": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)", "signature": "--localedir", "source_url": "/docs/16/app-pgconfig.html", "description": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)"}, {"names": ["--mandir"], "summary": "Print the location of manual pages.", "signature": "--mandir", "source_url": "/docs/16/app-pgconfig.html", "description": "Print the location of manual pages."}, {"names": ["--sharedir"], "summary": "Print the location of architecture-independent support files.", "signature": "--sharedir", "source_url": "/docs/16/app-pgconfig.html", "description": "Print the location of architecture-independent support files."}, {"names": ["--sysconfdir"], "summary": "Print the location of system-wide configuration files.", "signature": "--sysconfdir", "source_url": "/docs/16/app-pgconfig.html", "description": "Print the location of system-wide configuration files."}, {"names": ["--pgxs"], "summary": "Print the location of extension makefiles.", "signature": "--pgxs", "source_url": "/docs/16/app-pgconfig.html", "description": "Print the location of extension makefiles."}, {"names": ["--configure"], "summary": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below.", "signature": "--configure", "source_url": "/docs/16/app-pgconfig.html", "description": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below."}, {"names": ["--cc"], "summary": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used.", "signature": "--cc", "source_url": "/docs/16/app-pgconfig.html", "description": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used."}, {"names": ["--cppflags"], "summary": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches).", "signature": "--cppflags", "source_url": "/docs/16/app-pgconfig.html", "description": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches)."}, {"names": ["--cflags"], "summary": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches.", "signature": "--cflags", "source_url": "/docs/16/app-pgconfig.html", "description": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches."}, {"names": ["--cflags_sl"], "summary": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries.", "signature": "--cflags_sl", "source_url": "/docs/16/app-pgconfig.html", "description": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries."}, {"names": ["--ldflags"], "summary": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches.", "signature": "--ldflags", "source_url": "/docs/16/app-pgconfig.html", "description": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches."}, {"names": ["--ldflags_ex"], "summary": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only.", "signature": "--ldflags_ex", "source_url": "/docs/16/app-pgconfig.html", "description": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only."}, {"names": ["--ldflags_sl"], "summary": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only.", "signature": "--ldflags_sl", "source_url": "/docs/16/app-pgconfig.html", "description": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only."}, {"names": ["--libs"], "summary": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL .", "signature": "--libs", "source_url": "/docs/16/app-pgconfig.html", "description": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL ."}, {"names": ["--version"], "summary": "Print the version of PostgreSQL .", "signature": "--version", "source_url": "/docs/16/app-pgconfig.html", "description": "Print the version of PostgreSQL ."}, {"names": ["-?", "--help"], "summary": "Show help about pg_config command line arguments, and exit.", "signature": "-? --help", "source_url": "/docs/16/app-pgconfig.html", "description": "Show help about pg_config command line arguments, and exit."}], "related": [], "release": {"ref": "https://ftp.postgresql.org/pub/source/v16.15/postgresql-16.15.tar.bz2", "label": "16.15", "major": "16", "channel": "stable", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/16/postgresql-16-A4.pdf", "bytes": 15282337, "pages": 3055, "sha256": "4bb6c1f63deedac98736d8c4c7bc0fad0ac24e85b07e21ee10411872f06afd06", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/16/postgresql-16-US.pdf", "bytes": 15164148, "pages": 3220, "sha256": "5b6b6166c89991199e144bb0ae34c17a5f29826251dbf19db1abc0df3a3e771b", "built_at": "2026-09-26"}}, "tree": "16", "index": "index.html", "major": "16", "pages": 1169, "release": "16.15", "source_url": "https://ftp.postgresql.org/pub/source/v16.15/postgresql-16.15.tar.bz2", "svg_assets": 3, "source_mode": "en HTML verified against the pinned official archive", "source_sha256": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "revision": "3c21e58b35318021716440e67bb8bafd392b6a2b965a244d90e9e33c99e0bdef", "evidence_kind": "English manual and source declarations", "source_sha256": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "sources": [{"url": "/docs/16/app-pgconfig.html", "file": "app-pgconfig.html", "label": "16.15 English manual \u00b7 app-pgconfig.html", "anchor": "", "sha256": "62b7fefa0ccbff34700c13d4ce5125abb9b61506aa83629c92b0e569f54c19ac"}, {"url": "/docs/16/reference-client.html", "file": "reference-client.html", "label": "Client applications inventory", "anchor": "", "sha256": "a28c30c3c0f8783e16d56413a0b6fd39487e336da1683b29b60abf1c229cef26"}], "sections": [], "synopsis": ["pg_config [ option ...]"], "signature": "pg_config [ option ...]", "description": ["pg_config \u2014 retrieve information about the installed version of PostgreSQL"], "environment": [], "manual_html": "<div><div class=\"refentry\" id=\"APP-PGCONFIG\">\n<div class=\"titlepage\"></div>\n<div class=\"refnamediv\">\n<h2><span class=\"refentrytitle\"><span class=\"application\">pg_config</span></span></h2>\n<p>pg_config \u2014 retrieve information about the installed version of <span class=\"productname\">PostgreSQL</span></p>\n</div>\n<div class=\"refsynopsisdiv\">\n<h2>Synopsis</h2>\n<div class=\"cmdsynopsis\">\n<p id=\"id-1.9.4.12.4.1\"><code class=\"command\">pg_config</code> [<em class=\"replaceable\"><code>option</code></em>...]</p>\n</div>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.12.5\">\n<h2>Description</h2>\n<p>The <span class=\"application\">pg_config</span> utility prints configuration parameters of the currently installed version of <span class=\"productname\">PostgreSQL</span>. It is intended, for example, to be used by software packages that want to interface to <span class=\"productname\">PostgreSQL</span> to facilitate finding the required header files and libraries.</p>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.12.6\">\n<h2>Options</h2>\n<p>To use <span class=\"application\">pg_config</span>, supply one or more of the following options:</p>\n<div class=\"variablelist\">\n<dl class=\"variablelist\">\n<dt><span class=\"term\"><code class=\"option\">--bindir</code></span></dt>\n<dd>\n<p>Print the location of user executables. Use this, for example, to find the <code class=\"command\">psql</code> program. This is normally also the location where the <code class=\"filename\">pg_config</code> program resides.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--docdir</code></span></dt>\n<dd>\n<p>Print the location of documentation files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--htmldir</code></span></dt>\n<dd>\n<p>Print the location of HTML documentation files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--includedir</code></span></dt>\n<dd>\n<p>Print the location of C header files of the client interfaces.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--pkgincludedir</code></span></dt>\n<dd>\n<p>Print the location of other C header files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--includedir-server</code></span></dt>\n<dd>\n<p>Print the location of C header files for server programming.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--libdir</code></span></dt>\n<dd>\n<p>Print the location of object code libraries.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--pkglibdir</code></span></dt>\n<dd>\n<p>Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--localedir</code></span></dt>\n<dd>\n<p>Print the location of locale support files. (This will be an empty string if locale support was not configured when <span class=\"productname\">PostgreSQL</span> was built.)</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--mandir</code></span></dt>\n<dd>\n<p>Print the location of manual pages.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--sharedir</code></span></dt>\n<dd>\n<p>Print the location of architecture-independent support files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--sysconfdir</code></span></dt>\n<dd>\n<p>Print the location of system-wide configuration files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--pgxs</code></span></dt>\n<dd>\n<p>Print the location of extension makefiles.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--configure</code></span></dt>\n<dd>\n<p>Print the options that were given to the <code class=\"filename\">configure</code> script when <span class=\"productname\">PostgreSQL</span> was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cc</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CC</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows the C compiler used.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cppflags</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CPPFLAGS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows C compiler switches needed at preprocessing time (typically, <code class=\"literal\">-I</code> switches).</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cflags</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CFLAGS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows C compiler switches.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cflags_sl</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CFLAGS_SL</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows extra C compiler switches used for building shared libraries.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--ldflags</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LDFLAGS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows linker switches.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--ldflags_ex</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LDFLAGS_EX</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows linker switches used for building executables only.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--ldflags_sl</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LDFLAGS_SL</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows linker switches used for building shared libraries only.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--libs</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LIBS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This normally contains <code class=\"literal\">-l</code> switches for external libraries linked into <span class=\"productname\">PostgreSQL</span>.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--version</code></span></dt>\n<dd>\n<p>Print the version of <span class=\"productname\">PostgreSQL</span>.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">-?</code><br></span><span class=\"term\"><code class=\"option\">--help</code></span></dt>\n<dd>\n<p>Show help about <span class=\"application\">pg_config</span> command line arguments, and exit.</p>\n</dd>\n</dl>\n</div>\n<p>If more than one option is given, the information is printed in that order, one item per line. If no options are given, all available information is printed, with labels.</p>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.12.7\">\n<h2>Notes</h2>\n<p>The options <code class=\"option\">--docdir</code>, <code class=\"option\">--pkgincludedir</code>, <code class=\"option\">--localedir</code>, <code class=\"option\">--mandir</code>, <code class=\"option\">--sharedir</code>, <code class=\"option\">--sysconfdir</code>, <code class=\"option\">--cc</code>, <code class=\"option\">--cppflags</code>, <code class=\"option\">--cflags</code>, <code class=\"option\">--cflags_sl</code>, <code class=\"option\">--ldflags</code>, <code class=\"option\">--ldflags_sl</code>, and <code class=\"option\">--libs</code> were added in <span class=\"productname\">PostgreSQL</span> 8.1. The option <code class=\"option\">--htmldir</code> was added in <span class=\"productname\">PostgreSQL</span> 8.4. The option <code class=\"option\">--ldflags_ex</code> was added in <span class=\"productname\">PostgreSQL</span> 9.0.</p>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.12.8\">\n<h2>Example</h2>\n<p>To reproduce the build configuration of the current PostgreSQL installation, run the following command:</p>\n<pre class=\"programlisting\">eval ./configure `pg_config --configure`\n</pre>\n<p>The output of <code class=\"literal\">pg_config --configure</code> contains shell quotation marks so arguments with spaces are represented correctly. Therefore, using <code class=\"literal\">eval</code> is required for proper results.</p>\n</div>\n</div></div>", "manual_path": "app-pgconfig.html", "comparison_data": {"options": [{"names": ["--bindir"], "signature": "--bindir", "description": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides."}, {"names": ["--docdir"], "signature": "--docdir", "description": "Print the location of documentation files."}, {"names": ["--htmldir"], "signature": "--htmldir", "description": "Print the location of HTML documentation files."}, {"names": ["--includedir"], "signature": "--includedir", "description": "Print the location of C header files of the client interfaces."}, {"names": ["--pkgincludedir"], "signature": "--pkgincludedir", "description": "Print the location of other C header files."}, {"names": ["--includedir-server"], "signature": "--includedir-server", "description": "Print the location of C header files for server programming."}, {"names": ["--libdir"], "signature": "--libdir", "description": "Print the location of object code libraries."}, {"names": ["--pkglibdir"], "signature": "--pkglibdir", "description": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)"}, {"names": ["--localedir"], "signature": "--localedir", "description": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)"}, {"names": ["--mandir"], "signature": "--mandir", "description": "Print the location of manual pages."}, {"names": ["--sharedir"], "signature": "--sharedir", "description": "Print the location of architecture-independent support files."}, {"names": ["--sysconfdir"], "signature": "--sysconfdir", "description": "Print the location of system-wide configuration files."}, {"names": ["--pgxs"], "signature": "--pgxs", "description": "Print the location of extension makefiles."}, {"names": ["--configure"], "signature": "--configure", "description": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below."}, {"names": ["--cc"], "signature": "--cc", "description": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used."}, {"names": ["--cppflags"], "signature": "--cppflags", "description": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches)."}, {"names": ["--cflags"], "signature": "--cflags", "description": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches."}, {"names": ["--cflags_sl"], "signature": "--cflags_sl", "description": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries."}, {"names": ["--ldflags"], "signature": "--ldflags", "description": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches."}, {"names": ["--ldflags_ex"], "signature": "--ldflags_ex", "description": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only."}, {"names": ["--ldflags_sl"], "signature": "--ldflags_sl", "description": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only."}, {"names": ["--libs"], "signature": "--libs", "description": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL ."}, {"names": ["--version"], "signature": "--version", "description": "Print the version of PostgreSQL ."}, {"names": ["-?", "--help"], "signature": "-? --help", "description": "Show help about pg_config command line arguments, and exit."}], "synopsis": ["pg_config [ option ...]"], "environment": []}, "comparison_hash": "248cccc5a7ef651b001ba3bc1551a93a9ce4d99191053e610269d49e7daa3cb5"}, "17": {"facts": [{"label": "Documented executable", "value": "pg_config"}, {"label": "Executable version", "value": "17.11"}, {"label": "Reference inventory", "value": "Client applications"}, {"label": "Option definition groups", "value": "24"}], "tables": [{"key": "options", "rows": [{"summary": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides.", "signature": {"url": "/docs/17/app-pgconfig.html", "text": "--bindir"}}, {"summary": "Print the location of documentation files.", "signature": {"url": "/docs/17/app-pgconfig.html", "text": "--docdir"}}, {"summary": "Print the location of HTML documentation files.", "signature": {"url": "/docs/17/app-pgconfig.html", "text": "--htmldir"}}, {"summary": "Print the location of C header files of the client interfaces.", "signature": {"url": "/docs/17/app-pgconfig.html", "text": "--includedir"}}, {"summary": "Print the location of other C header files.", "signature": {"url": "/docs/17/app-pgconfig.html", "text": "--pkgincludedir"}}, {"summary": "Print the location of C header files for server programming.", "signature": {"url": "/docs/17/app-pgconfig.html", "text": "--includedir-server"}}, {"summary": "Print the location of object code libraries.", "signature": {"url": "/docs/17/app-pgconfig.html", "text": "--libdir"}}, {"summary": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)", "signature": {"url": "/docs/17/app-pgconfig.html", "text": "--pkglibdir"}}, {"summary": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)", "signature": {"url": "/docs/17/app-pgconfig.html", "text": "--localedir"}}, {"summary": "Print the location of manual pages.", "signature": {"url": "/docs/17/app-pgconfig.html", "text": "--mandir"}}, {"summary": "Print the location of architecture-independent support files.", "signature": {"url": "/docs/17/app-pgconfig.html", "text": "--sharedir"}}, {"summary": "Print the location of system-wide configuration files.", "signature": {"url": "/docs/17/app-pgconfig.html", "text": "--sysconfdir"}}, {"summary": "Print the location of extension makefiles.", "signature": {"url": "/docs/17/app-pgconfig.html", "text": "--pgxs"}}, {"summary": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below.", "signature": {"url": "/docs/17/app-pgconfig.html", "text": "--configure"}}, {"summary": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used.", "signature": {"url": "/docs/17/app-pgconfig.html", "text": "--cc"}}, {"summary": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches).", "signature": {"url": "/docs/17/app-pgconfig.html", "text": "--cppflags"}}, {"summary": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches.", "signature": {"url": "/docs/17/app-pgconfig.html", "text": "--cflags"}}, {"summary": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries.", "signature": {"url": "/docs/17/app-pgconfig.html", "text": "--cflags_sl"}}, {"summary": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches.", "signature": {"url": "/docs/17/app-pgconfig.html", "text": "--ldflags"}}, {"summary": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only.", "signature": {"url": "/docs/17/app-pgconfig.html", "text": "--ldflags_ex"}}, {"summary": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only.", "signature": {"url": "/docs/17/app-pgconfig.html", "text": "--ldflags_sl"}}, {"summary": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL .", "signature": {"url": "/docs/17/app-pgconfig.html", "text": "--libs"}}, {"summary": "Print the version of PostgreSQL .", "signature": {"url": "/docs/17/app-pgconfig.html", "text": "--version"}}, {"summary": "Show help about pg_config command line arguments, and exit.", "signature": {"url": "/docs/17/app-pgconfig.html", "text": "-? --help"}}], "title": "Documented options", "columns": [{"key": "signature", "label": "Option and arguments"}, {"key": "summary", "label": "Description"}]}], "options": [{"names": ["--bindir"], "summary": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides.", "signature": "--bindir", "source_url": "/docs/17/app-pgconfig.html", "description": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides."}, {"names": ["--docdir"], "summary": "Print the location of documentation files.", "signature": "--docdir", "source_url": "/docs/17/app-pgconfig.html", "description": "Print the location of documentation files."}, {"names": ["--htmldir"], "summary": "Print the location of HTML documentation files.", "signature": "--htmldir", "source_url": "/docs/17/app-pgconfig.html", "description": "Print the location of HTML documentation files."}, {"names": ["--includedir"], "summary": "Print the location of C header files of the client interfaces.", "signature": "--includedir", "source_url": "/docs/17/app-pgconfig.html", "description": "Print the location of C header files of the client interfaces."}, {"names": ["--pkgincludedir"], "summary": "Print the location of other C header files.", "signature": "--pkgincludedir", "source_url": "/docs/17/app-pgconfig.html", "description": "Print the location of other C header files."}, {"names": ["--includedir-server"], "summary": "Print the location of C header files for server programming.", "signature": "--includedir-server", "source_url": "/docs/17/app-pgconfig.html", "description": "Print the location of C header files for server programming."}, {"names": ["--libdir"], "summary": "Print the location of object code libraries.", "signature": "--libdir", "source_url": "/docs/17/app-pgconfig.html", "description": "Print the location of object code libraries."}, {"names": ["--pkglibdir"], "summary": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)", "signature": "--pkglibdir", "source_url": "/docs/17/app-pgconfig.html", "description": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)"}, {"names": ["--localedir"], "summary": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)", "signature": "--localedir", "source_url": "/docs/17/app-pgconfig.html", "description": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)"}, {"names": ["--mandir"], "summary": "Print the location of manual pages.", "signature": "--mandir", "source_url": "/docs/17/app-pgconfig.html", "description": "Print the location of manual pages."}, {"names": ["--sharedir"], "summary": "Print the location of architecture-independent support files.", "signature": "--sharedir", "source_url": "/docs/17/app-pgconfig.html", "description": "Print the location of architecture-independent support files."}, {"names": ["--sysconfdir"], "summary": "Print the location of system-wide configuration files.", "signature": "--sysconfdir", "source_url": "/docs/17/app-pgconfig.html", "description": "Print the location of system-wide configuration files."}, {"names": ["--pgxs"], "summary": "Print the location of extension makefiles.", "signature": "--pgxs", "source_url": "/docs/17/app-pgconfig.html", "description": "Print the location of extension makefiles."}, {"names": ["--configure"], "summary": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below.", "signature": "--configure", "source_url": "/docs/17/app-pgconfig.html", "description": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below."}, {"names": ["--cc"], "summary": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used.", "signature": "--cc", "source_url": "/docs/17/app-pgconfig.html", "description": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used."}, {"names": ["--cppflags"], "summary": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches).", "signature": "--cppflags", "source_url": "/docs/17/app-pgconfig.html", "description": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches)."}, {"names": ["--cflags"], "summary": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches.", "signature": "--cflags", "source_url": "/docs/17/app-pgconfig.html", "description": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches."}, {"names": ["--cflags_sl"], "summary": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries.", "signature": "--cflags_sl", "source_url": "/docs/17/app-pgconfig.html", "description": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries."}, {"names": ["--ldflags"], "summary": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches.", "signature": "--ldflags", "source_url": "/docs/17/app-pgconfig.html", "description": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches."}, {"names": ["--ldflags_ex"], "summary": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only.", "signature": "--ldflags_ex", "source_url": "/docs/17/app-pgconfig.html", "description": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only."}, {"names": ["--ldflags_sl"], "summary": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only.", "signature": "--ldflags_sl", "source_url": "/docs/17/app-pgconfig.html", "description": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only."}, {"names": ["--libs"], "summary": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL .", "signature": "--libs", "source_url": "/docs/17/app-pgconfig.html", "description": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL ."}, {"names": ["--version"], "summary": "Print the version of PostgreSQL .", "signature": "--version", "source_url": "/docs/17/app-pgconfig.html", "description": "Print the version of PostgreSQL ."}, {"names": ["-?", "--help"], "summary": "Show help about pg_config command line arguments, and exit.", "signature": "-? --help", "source_url": "/docs/17/app-pgconfig.html", "description": "Show help about pg_config command line arguments, and exit."}], "related": [], "release": {"ref": "https://ftp.postgresql.org/pub/source/v17.11/postgresql-17.11.tar.bz2", "label": "17.11", "major": "17", "channel": "stable", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/17/postgresql-17-A4.pdf", "bytes": 15521293, "pages": 3099, "sha256": "1991354df0dc89e70ec39328c28988ef8b19c6a93671dab3893650b63e9f4e36", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/17/postgresql-17-US.pdf", "bytes": 15398150, "pages": 3270, "sha256": "07696c8f38abf31babf22d2db337093936e7c472d2af36d050b000c49bbcf52c", "built_at": "2026-09-26"}}, "tree": "17", "index": "index.html", "major": "17", "pages": 1143, "release": "17.11", "source_url": "https://ftp.postgresql.org/pub/source/v17.11/postgresql-17.11.tar.bz2", "svg_assets": 3, "source_mode": "en SGML built with pinned official archive", "source_sha256": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "revision": "58419c9b0dd42cb34c8d53695bb025a7e582edf55ccd4c5bcb1c2c7c71a37487", "evidence_kind": "English manual and source declarations", "source_sha256": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "sources": [{"url": "/docs/17/app-pgconfig.html", "file": "app-pgconfig.html", "label": "17.11 English manual \u00b7 app-pgconfig.html", "anchor": "", "sha256": "88b68244c821589031b013ba7d3004cceb2d58beb7869d81035f7b3c477accf6"}, {"url": "/docs/17/reference-client.html", "file": "reference-client.html", "label": "Client applications inventory", "anchor": "", "sha256": "3194fc72ddad8e2fcba55f8e007f83413cb352146cb65aaa9457a18d0314ee1b"}], "sections": [], "synopsis": ["pg_config [ option ...]"], "signature": "pg_config [ option ...]", "description": ["pg_config \u2014 retrieve information about the installed version of PostgreSQL"], "environment": [], "manual_html": "<div><div class=\"refentry\" id=\"APP-PGCONFIG\">\n<div class=\"titlepage\"></div>\n<div class=\"refnamediv\">\n<h2><span class=\"refentrytitle\"><span class=\"application\">pg_config</span></span></h2>\n<p>pg_config \u2014 retrieve information about the installed version of <span class=\"productname\">PostgreSQL</span></p>\n</div>\n<div class=\"refsynopsisdiv\">\n<h2>Synopsis</h2>\n<div class=\"cmdsynopsis\">\n<p id=\"id-1.9.4.13.4.1\"><code class=\"command\">pg_config</code> [<em class=\"replaceable\"><code>option</code></em>...]</p>\n</div>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.13.5\">\n<h2>Description</h2>\n<p>The <span class=\"application\">pg_config</span> utility prints configuration parameters of the currently installed version of <span class=\"productname\">PostgreSQL</span>. It is intended, for example, to be used by software packages that want to interface to <span class=\"productname\">PostgreSQL</span> to facilitate finding the required header files and libraries.</p>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.13.6\">\n<h2>Options</h2>\n<p>To use <span class=\"application\">pg_config</span>, supply one or more of the following options:</p>\n<div class=\"variablelist\">\n<dl class=\"variablelist\">\n<dt><span class=\"term\"><code class=\"option\">--bindir</code></span></dt>\n<dd>\n<p>Print the location of user executables. Use this, for example, to find the <code class=\"command\">psql</code> program. This is normally also the location where the <code class=\"filename\">pg_config</code> program resides.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--docdir</code></span></dt>\n<dd>\n<p>Print the location of documentation files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--htmldir</code></span></dt>\n<dd>\n<p>Print the location of HTML documentation files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--includedir</code></span></dt>\n<dd>\n<p>Print the location of C header files of the client interfaces.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--pkgincludedir</code></span></dt>\n<dd>\n<p>Print the location of other C header files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--includedir-server</code></span></dt>\n<dd>\n<p>Print the location of C header files for server programming.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--libdir</code></span></dt>\n<dd>\n<p>Print the location of object code libraries.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--pkglibdir</code></span></dt>\n<dd>\n<p>Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--localedir</code></span></dt>\n<dd>\n<p>Print the location of locale support files. (This will be an empty string if locale support was not configured when <span class=\"productname\">PostgreSQL</span> was built.)</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--mandir</code></span></dt>\n<dd>\n<p>Print the location of manual pages.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--sharedir</code></span></dt>\n<dd>\n<p>Print the location of architecture-independent support files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--sysconfdir</code></span></dt>\n<dd>\n<p>Print the location of system-wide configuration files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--pgxs</code></span></dt>\n<dd>\n<p>Print the location of extension makefiles.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--configure</code></span></dt>\n<dd>\n<p>Print the options that were given to the <code class=\"filename\">configure</code> script when <span class=\"productname\">PostgreSQL</span> was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cc</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CC</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows the C compiler used.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cppflags</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CPPFLAGS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows C compiler switches needed at preprocessing time (typically, <code class=\"literal\">-I</code> switches).</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cflags</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CFLAGS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows C compiler switches.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cflags_sl</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CFLAGS_SL</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows extra C compiler switches used for building shared libraries.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--ldflags</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LDFLAGS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows linker switches.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--ldflags_ex</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LDFLAGS_EX</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows linker switches used for building executables only.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--ldflags_sl</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LDFLAGS_SL</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows linker switches used for building shared libraries only.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--libs</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LIBS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This normally contains <code class=\"literal\">-l</code> switches for external libraries linked into <span class=\"productname\">PostgreSQL</span>.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--version</code></span></dt>\n<dd>\n<p>Print the version of <span class=\"productname\">PostgreSQL</span>.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">-?</code><br></span><span class=\"term\"><code class=\"option\">--help</code></span></dt>\n<dd>\n<p>Show help about <span class=\"application\">pg_config</span> command line arguments, and exit.</p>\n</dd>\n</dl>\n</div>\n<p>If more than one option is given, the information is printed in that order, one item per line. If no options are given, all available information is printed, with labels.</p>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.13.7\">\n<h2>Notes</h2>\n<p>The options <code class=\"option\">--docdir</code>, <code class=\"option\">--pkgincludedir</code>, <code class=\"option\">--localedir</code>, <code class=\"option\">--mandir</code>, <code class=\"option\">--sharedir</code>, <code class=\"option\">--sysconfdir</code>, <code class=\"option\">--cc</code>, <code class=\"option\">--cppflags</code>, <code class=\"option\">--cflags</code>, <code class=\"option\">--cflags_sl</code>, <code class=\"option\">--ldflags</code>, <code class=\"option\">--ldflags_sl</code>, and <code class=\"option\">--libs</code> were added in <span class=\"productname\">PostgreSQL</span> 8.1. The option <code class=\"option\">--htmldir</code> was added in <span class=\"productname\">PostgreSQL</span> 8.4. The option <code class=\"option\">--ldflags_ex</code> was added in <span class=\"productname\">PostgreSQL</span> 9.0.</p>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.13.8\">\n<h2>Example</h2>\n<p>To reproduce the build configuration of the current PostgreSQL installation, run the following command:</p>\n<pre class=\"programlisting\">eval ./configure `pg_config --configure`\n</pre>\n<p>The output of <code class=\"literal\">pg_config --configure</code> contains shell quotation marks so arguments with spaces are represented correctly. Therefore, using <code class=\"literal\">eval</code> is required for proper results.</p>\n</div>\n</div></div>", "manual_path": "app-pgconfig.html", "comparison_data": {"options": [{"names": ["--bindir"], "signature": "--bindir", "description": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides."}, {"names": ["--docdir"], "signature": "--docdir", "description": "Print the location of documentation files."}, {"names": ["--htmldir"], "signature": "--htmldir", "description": "Print the location of HTML documentation files."}, {"names": ["--includedir"], "signature": "--includedir", "description": "Print the location of C header files of the client interfaces."}, {"names": ["--pkgincludedir"], "signature": "--pkgincludedir", "description": "Print the location of other C header files."}, {"names": ["--includedir-server"], "signature": "--includedir-server", "description": "Print the location of C header files for server programming."}, {"names": ["--libdir"], "signature": "--libdir", "description": "Print the location of object code libraries."}, {"names": ["--pkglibdir"], "signature": "--pkglibdir", "description": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)"}, {"names": ["--localedir"], "signature": "--localedir", "description": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)"}, {"names": ["--mandir"], "signature": "--mandir", "description": "Print the location of manual pages."}, {"names": ["--sharedir"], "signature": "--sharedir", "description": "Print the location of architecture-independent support files."}, {"names": ["--sysconfdir"], "signature": "--sysconfdir", "description": "Print the location of system-wide configuration files."}, {"names": ["--pgxs"], "signature": "--pgxs", "description": "Print the location of extension makefiles."}, {"names": ["--configure"], "signature": "--configure", "description": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below."}, {"names": ["--cc"], "signature": "--cc", "description": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used."}, {"names": ["--cppflags"], "signature": "--cppflags", "description": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches)."}, {"names": ["--cflags"], "signature": "--cflags", "description": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches."}, {"names": ["--cflags_sl"], "signature": "--cflags_sl", "description": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries."}, {"names": ["--ldflags"], "signature": "--ldflags", "description": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches."}, {"names": ["--ldflags_ex"], "signature": "--ldflags_ex", "description": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only."}, {"names": ["--ldflags_sl"], "signature": "--ldflags_sl", "description": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only."}, {"names": ["--libs"], "signature": "--libs", "description": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL ."}, {"names": ["--version"], "signature": "--version", "description": "Print the version of PostgreSQL ."}, {"names": ["-?", "--help"], "signature": "-? --help", "description": "Show help about pg_config command line arguments, and exit."}], "synopsis": ["pg_config [ option ...]"], "environment": []}, "comparison_hash": "248cccc5a7ef651b001ba3bc1551a93a9ce4d99191053e610269d49e7daa3cb5"}, "18": {"facts": [{"label": "Documented executable", "value": "pg_config"}, {"label": "Executable version", "value": "18.6"}, {"label": "Reference inventory", "value": "Client applications"}, {"label": "Option definition groups", "value": "24"}], "tables": [{"key": "options", "rows": [{"summary": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--bindir"}}, {"summary": "Print the location of documentation files.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--docdir"}}, {"summary": "Print the location of HTML documentation files.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--htmldir"}}, {"summary": "Print the location of C header files of the client interfaces.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--includedir"}}, {"summary": "Print the location of other C header files.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--pkgincludedir"}}, {"summary": "Print the location of C header files for server programming.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--includedir-server"}}, {"summary": "Print the location of object code libraries.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--libdir"}}, {"summary": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--pkglibdir"}}, {"summary": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--localedir"}}, {"summary": "Print the location of manual pages.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--mandir"}}, {"summary": "Print the location of architecture-independent support files.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--sharedir"}}, {"summary": "Print the location of system-wide configuration files.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--sysconfdir"}}, {"summary": "Print the location of extension makefiles.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--pgxs"}}, {"summary": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--configure"}}, {"summary": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--cc"}}, {"summary": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches).", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--cppflags"}}, {"summary": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--cflags"}}, {"summary": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--cflags_sl"}}, {"summary": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--ldflags"}}, {"summary": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--ldflags_ex"}}, {"summary": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--ldflags_sl"}}, {"summary": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL .", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--libs"}}, {"summary": "Print the version of PostgreSQL .", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--version"}}, {"summary": "Show help about pg_config command line arguments, and exit.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "-? --help"}}], "title": "Documented options", "columns": [{"key": "signature", "label": "Option and arguments"}, {"key": "summary", "label": "Description"}]}], "options": [{"names": ["--bindir"], "summary": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides.", "signature": "--bindir", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides."}, {"names": ["--docdir"], "summary": "Print the location of documentation files.", "signature": "--docdir", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the location of documentation files."}, {"names": ["--htmldir"], "summary": "Print the location of HTML documentation files.", "signature": "--htmldir", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the location of HTML documentation files."}, {"names": ["--includedir"], "summary": "Print the location of C header files of the client interfaces.", "signature": "--includedir", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the location of C header files of the client interfaces."}, {"names": ["--pkgincludedir"], "summary": "Print the location of other C header files.", "signature": "--pkgincludedir", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the location of other C header files."}, {"names": ["--includedir-server"], "summary": "Print the location of C header files for server programming.", "signature": "--includedir-server", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the location of C header files for server programming."}, {"names": ["--libdir"], "summary": "Print the location of object code libraries.", "signature": "--libdir", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the location of object code libraries."}, {"names": ["--pkglibdir"], "summary": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)", "signature": "--pkglibdir", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)"}, {"names": ["--localedir"], "summary": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)", "signature": "--localedir", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)"}, {"names": ["--mandir"], "summary": "Print the location of manual pages.", "signature": "--mandir", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the location of manual pages."}, {"names": ["--sharedir"], "summary": "Print the location of architecture-independent support files.", "signature": "--sharedir", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the location of architecture-independent support files."}, {"names": ["--sysconfdir"], "summary": "Print the location of system-wide configuration files.", "signature": "--sysconfdir", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the location of system-wide configuration files."}, {"names": ["--pgxs"], "summary": "Print the location of extension makefiles.", "signature": "--pgxs", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the location of extension makefiles."}, {"names": ["--configure"], "summary": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below.", "signature": "--configure", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below."}, {"names": ["--cc"], "summary": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used.", "signature": "--cc", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used."}, {"names": ["--cppflags"], "summary": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches).", "signature": "--cppflags", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches)."}, {"names": ["--cflags"], "summary": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches.", "signature": "--cflags", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches."}, {"names": ["--cflags_sl"], "summary": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries.", "signature": "--cflags_sl", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries."}, {"names": ["--ldflags"], "summary": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches.", "signature": "--ldflags", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches."}, {"names": ["--ldflags_ex"], "summary": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only.", "signature": "--ldflags_ex", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only."}, {"names": ["--ldflags_sl"], "summary": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only.", "signature": "--ldflags_sl", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only."}, {"names": ["--libs"], "summary": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL .", "signature": "--libs", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL ."}, {"names": ["--version"], "summary": "Print the version of PostgreSQL .", "signature": "--version", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the version of PostgreSQL ."}, {"names": ["-?", "--help"], "summary": "Show help about pg_config command line arguments, and exit.", "signature": "-? --help", "source_url": "/docs/18/app-pgconfig.html", "description": "Show help about pg_config command line arguments, and exit."}], "related": [], "release": {"ref": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "label": "18.6", "major": "18", "channel": "stable", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/18/postgresql-18-A4.pdf", "bytes": 15865106, "pages": 3154, "sha256": "19512c405da53f9f7fcf0abba359223aa65f021be025bf3411381918f92e3190", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/18/postgresql-18-US.pdf", "bytes": 15748059, "pages": 3328, "sha256": "facbe6c229e598b872d3d98bef53308f46e06746006fa4590de9a7de9dd46319", "built_at": "2026-09-26"}}, "tree": "18", "index": "index.html", "major": "18", "pages": 1148, "release": "18.6", "source_url": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "svg_assets": 3, "source_mode": "en SGML built with pinned official archive", "source_sha256": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "revision": "ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8", "evidence_kind": "English manual and source declarations", "source_sha256": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sources": [{"url": "/docs/18/app-pgconfig.html", "file": "app-pgconfig.html", "label": "18.6 English manual \u00b7 app-pgconfig.html", "anchor": "", "sha256": "db15302f0536178ed6b93e98108702c73f6b9d4797ab02cedc991ede12e511d6"}, {"url": "/docs/18/reference-client.html", "file": "reference-client.html", "label": "Client applications inventory", "anchor": "", "sha256": "68f726af77272fe73a827be2b7b5958d0f2239a6f8ed44264e9d42496bfa4fd0"}], "sections": [], "synopsis": ["pg_config [ option ...]"], "signature": "pg_config [ option ...]", "description": ["pg_config \u2014 retrieve information about the installed version of PostgreSQL"], "environment": [], "manual_html": "<div><div class=\"refentry\" id=\"APP-PGCONFIG\">\n<div class=\"titlepage\"></div>\n<div class=\"refnamediv\">\n<h2><span class=\"refentrytitle\"><span class=\"application\">pg_config</span></span></h2>\n<p>pg_config \u2014 retrieve information about the installed version of <span class=\"productname\">PostgreSQL</span></p>\n</div>\n<div class=\"refsynopsisdiv\">\n<h2>Synopsis</h2>\n<div class=\"cmdsynopsis\">\n<p id=\"id-1.9.4.13.4.1\"><code class=\"command\">pg_config</code> [<em class=\"replaceable\"><code>option</code></em>...]</p>\n</div>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.13.5\">\n<h2>Description</h2>\n<p>The <span class=\"application\">pg_config</span> utility prints configuration parameters of the currently installed version of <span class=\"productname\">PostgreSQL</span>. It is intended, for example, to be used by software packages that want to interface to <span class=\"productname\">PostgreSQL</span> to facilitate finding the required header files and libraries.</p>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.13.6\">\n<h2>Options</h2>\n<p>To use <span class=\"application\">pg_config</span>, supply one or more of the following options:</p>\n<div class=\"variablelist\">\n<dl class=\"variablelist\">\n<dt><span class=\"term\"><code class=\"option\">--bindir</code></span></dt>\n<dd>\n<p>Print the location of user executables. Use this, for example, to find the <code class=\"command\">psql</code> program. This is normally also the location where the <code class=\"filename\">pg_config</code> program resides.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--docdir</code></span></dt>\n<dd>\n<p>Print the location of documentation files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--htmldir</code></span></dt>\n<dd>\n<p>Print the location of HTML documentation files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--includedir</code></span></dt>\n<dd>\n<p>Print the location of C header files of the client interfaces.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--pkgincludedir</code></span></dt>\n<dd>\n<p>Print the location of other C header files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--includedir-server</code></span></dt>\n<dd>\n<p>Print the location of C header files for server programming.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--libdir</code></span></dt>\n<dd>\n<p>Print the location of object code libraries.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--pkglibdir</code></span></dt>\n<dd>\n<p>Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--localedir</code></span></dt>\n<dd>\n<p>Print the location of locale support files. (This will be an empty string if locale support was not configured when <span class=\"productname\">PostgreSQL</span> was built.)</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--mandir</code></span></dt>\n<dd>\n<p>Print the location of manual pages.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--sharedir</code></span></dt>\n<dd>\n<p>Print the location of architecture-independent support files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--sysconfdir</code></span></dt>\n<dd>\n<p>Print the location of system-wide configuration files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--pgxs</code></span></dt>\n<dd>\n<p>Print the location of extension makefiles.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--configure</code></span></dt>\n<dd>\n<p>Print the options that were given to the <code class=\"filename\">configure</code> script when <span class=\"productname\">PostgreSQL</span> was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cc</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CC</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows the C compiler used.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cppflags</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CPPFLAGS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows C compiler switches needed at preprocessing time (typically, <code class=\"literal\">-I</code> switches).</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cflags</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CFLAGS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows C compiler switches.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cflags_sl</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CFLAGS_SL</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows extra C compiler switches used for building shared libraries.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--ldflags</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LDFLAGS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows linker switches.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--ldflags_ex</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LDFLAGS_EX</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows linker switches used for building executables only.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--ldflags_sl</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LDFLAGS_SL</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows linker switches used for building shared libraries only.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--libs</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LIBS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This normally contains <code class=\"literal\">-l</code> switches for external libraries linked into <span class=\"productname\">PostgreSQL</span>.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--version</code></span></dt>\n<dd>\n<p>Print the version of <span class=\"productname\">PostgreSQL</span>.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">-?</code><br></span><span class=\"term\"><code class=\"option\">--help</code></span></dt>\n<dd>\n<p>Show help about <span class=\"application\">pg_config</span> command line arguments, and exit.</p>\n</dd>\n</dl>\n</div>\n<p>If more than one option is given, the information is printed in that order, one item per line. If no options are given, all available information is printed, with labels.</p>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.13.7\">\n<h2>Notes</h2>\n<p>The options <code class=\"option\">--docdir</code>, <code class=\"option\">--pkgincludedir</code>, <code class=\"option\">--localedir</code>, <code class=\"option\">--mandir</code>, <code class=\"option\">--sharedir</code>, <code class=\"option\">--sysconfdir</code>, <code class=\"option\">--cc</code>, <code class=\"option\">--cppflags</code>, <code class=\"option\">--cflags</code>, <code class=\"option\">--cflags_sl</code>, <code class=\"option\">--ldflags</code>, <code class=\"option\">--ldflags_sl</code>, and <code class=\"option\">--libs</code> were added in <span class=\"productname\">PostgreSQL</span> 8.1. The option <code class=\"option\">--htmldir</code> was added in <span class=\"productname\">PostgreSQL</span> 8.4. The option <code class=\"option\">--ldflags_ex</code> was added in <span class=\"productname\">PostgreSQL</span> 9.0.</p>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.13.8\">\n<h2>Example</h2>\n<p>To reproduce the build configuration of the current PostgreSQL installation, run the following command:</p>\n<pre class=\"programlisting\">eval ./configure `pg_config --configure`\n</pre>\n<p>The output of <code class=\"literal\">pg_config --configure</code> contains shell quotation marks so arguments with spaces are represented correctly. Therefore, using <code class=\"literal\">eval</code> is required for proper results.</p>\n</div>\n</div></div>", "manual_path": "app-pgconfig.html", "comparison_data": {"options": [{"names": ["--bindir"], "signature": "--bindir", "description": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides."}, {"names": ["--docdir"], "signature": "--docdir", "description": "Print the location of documentation files."}, {"names": ["--htmldir"], "signature": "--htmldir", "description": "Print the location of HTML documentation files."}, {"names": ["--includedir"], "signature": "--includedir", "description": "Print the location of C header files of the client interfaces."}, {"names": ["--pkgincludedir"], "signature": "--pkgincludedir", "description": "Print the location of other C header files."}, {"names": ["--includedir-server"], "signature": "--includedir-server", "description": "Print the location of C header files for server programming."}, {"names": ["--libdir"], "signature": "--libdir", "description": "Print the location of object code libraries."}, {"names": ["--pkglibdir"], "signature": "--pkglibdir", "description": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)"}, {"names": ["--localedir"], "signature": "--localedir", "description": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)"}, {"names": ["--mandir"], "signature": "--mandir", "description": "Print the location of manual pages."}, {"names": ["--sharedir"], "signature": "--sharedir", "description": "Print the location of architecture-independent support files."}, {"names": ["--sysconfdir"], "signature": "--sysconfdir", "description": "Print the location of system-wide configuration files."}, {"names": ["--pgxs"], "signature": "--pgxs", "description": "Print the location of extension makefiles."}, {"names": ["--configure"], "signature": "--configure", "description": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below."}, {"names": ["--cc"], "signature": "--cc", "description": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used."}, {"names": ["--cppflags"], "signature": "--cppflags", "description": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches)."}, {"names": ["--cflags"], "signature": "--cflags", "description": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches."}, {"names": ["--cflags_sl"], "signature": "--cflags_sl", "description": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries."}, {"names": ["--ldflags"], "signature": "--ldflags", "description": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches."}, {"names": ["--ldflags_ex"], "signature": "--ldflags_ex", "description": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only."}, {"names": ["--ldflags_sl"], "signature": "--ldflags_sl", "description": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only."}, {"names": ["--libs"], "signature": "--libs", "description": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL ."}, {"names": ["--version"], "signature": "--version", "description": "Print the version of PostgreSQL ."}, {"names": ["-?", "--help"], "signature": "-? --help", "description": "Show help about pg_config command line arguments, and exit."}], "synopsis": ["pg_config [ option ...]"], "environment": []}, "comparison_hash": "248cccc5a7ef651b001ba3bc1551a93a9ce4d99191053e610269d49e7daa3cb5"}, "19": {"facts": [{"label": "Documented executable", "value": "pg_config"}, {"label": "Executable version", "value": "19beta4"}, {"label": "Reference inventory", "value": "Client applications"}, {"label": "Option definition groups", "value": "24"}], "tables": [{"key": "options", "rows": [{"summary": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides.", "signature": {"url": "/docs/19/app-pgconfig.html", "text": "--bindir"}}, {"summary": "Print the location of documentation files.", "signature": {"url": "/docs/19/app-pgconfig.html", "text": "--docdir"}}, {"summary": "Print the location of HTML documentation files.", "signature": {"url": "/docs/19/app-pgconfig.html", "text": "--htmldir"}}, {"summary": "Print the location of C header files of the client interfaces.", "signature": {"url": "/docs/19/app-pgconfig.html", "text": "--includedir"}}, {"summary": "Print the location of other C header files.", "signature": {"url": "/docs/19/app-pgconfig.html", "text": "--pkgincludedir"}}, {"summary": "Print the location of C header files for server programming.", "signature": {"url": "/docs/19/app-pgconfig.html", "text": "--includedir-server"}}, {"summary": "Print the location of object code libraries.", "signature": {"url": "/docs/19/app-pgconfig.html", "text": "--libdir"}}, {"summary": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)", "signature": {"url": "/docs/19/app-pgconfig.html", "text": "--pkglibdir"}}, {"summary": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)", "signature": {"url": "/docs/19/app-pgconfig.html", "text": "--localedir"}}, {"summary": "Print the location of manual pages.", "signature": {"url": "/docs/19/app-pgconfig.html", "text": "--mandir"}}, {"summary": "Print the location of architecture-independent support files.", "signature": {"url": "/docs/19/app-pgconfig.html", "text": "--sharedir"}}, {"summary": "Print the location of system-wide configuration files.", "signature": {"url": "/docs/19/app-pgconfig.html", "text": "--sysconfdir"}}, {"summary": "Print the location of extension makefiles.", "signature": {"url": "/docs/19/app-pgconfig.html", "text": "--pgxs"}}, {"summary": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below.", "signature": {"url": "/docs/19/app-pgconfig.html", "text": "--configure"}}, {"summary": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used.", "signature": {"url": "/docs/19/app-pgconfig.html", "text": "--cc"}}, {"summary": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches).", "signature": {"url": "/docs/19/app-pgconfig.html", "text": "--cppflags"}}, {"summary": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches.", "signature": {"url": "/docs/19/app-pgconfig.html", "text": "--cflags"}}, {"summary": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries.", "signature": {"url": "/docs/19/app-pgconfig.html", "text": "--cflags_sl"}}, {"summary": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches.", "signature": {"url": "/docs/19/app-pgconfig.html", "text": "--ldflags"}}, {"summary": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only.", "signature": {"url": "/docs/19/app-pgconfig.html", "text": "--ldflags_ex"}}, {"summary": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only.", "signature": {"url": "/docs/19/app-pgconfig.html", "text": "--ldflags_sl"}}, {"summary": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL .", "signature": {"url": "/docs/19/app-pgconfig.html", "text": "--libs"}}, {"summary": "Print the version of PostgreSQL .", "signature": {"url": "/docs/19/app-pgconfig.html", "text": "--version"}}, {"summary": "Show help about pg_config command line arguments, and exit.", "signature": {"url": "/docs/19/app-pgconfig.html", "text": "-? --help"}}], "title": "Documented options", "columns": [{"key": "signature", "label": "Option and arguments"}, {"key": "summary", "label": "Description"}]}], "options": [{"names": ["--bindir"], "summary": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides.", "signature": "--bindir", "source_url": "/docs/19/app-pgconfig.html", "description": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides."}, {"names": ["--docdir"], "summary": "Print the location of documentation files.", "signature": "--docdir", "source_url": "/docs/19/app-pgconfig.html", "description": "Print the location of documentation files."}, {"names": ["--htmldir"], "summary": "Print the location of HTML documentation files.", "signature": "--htmldir", "source_url": "/docs/19/app-pgconfig.html", "description": "Print the location of HTML documentation files."}, {"names": ["--includedir"], "summary": "Print the location of C header files of the client interfaces.", "signature": "--includedir", "source_url": "/docs/19/app-pgconfig.html", "description": "Print the location of C header files of the client interfaces."}, {"names": ["--pkgincludedir"], "summary": "Print the location of other C header files.", "signature": "--pkgincludedir", "source_url": "/docs/19/app-pgconfig.html", "description": "Print the location of other C header files."}, {"names": ["--includedir-server"], "summary": "Print the location of C header files for server programming.", "signature": "--includedir-server", "source_url": "/docs/19/app-pgconfig.html", "description": "Print the location of C header files for server programming."}, {"names": ["--libdir"], "summary": "Print the location of object code libraries.", "signature": "--libdir", "source_url": "/docs/19/app-pgconfig.html", "description": "Print the location of object code libraries."}, {"names": ["--pkglibdir"], "summary": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)", "signature": "--pkglibdir", "source_url": "/docs/19/app-pgconfig.html", "description": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)"}, {"names": ["--localedir"], "summary": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)", "signature": "--localedir", "source_url": "/docs/19/app-pgconfig.html", "description": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)"}, {"names": ["--mandir"], "summary": "Print the location of manual pages.", "signature": "--mandir", "source_url": "/docs/19/app-pgconfig.html", "description": "Print the location of manual pages."}, {"names": ["--sharedir"], "summary": "Print the location of architecture-independent support files.", "signature": "--sharedir", "source_url": "/docs/19/app-pgconfig.html", "description": "Print the location of architecture-independent support files."}, {"names": ["--sysconfdir"], "summary": "Print the location of system-wide configuration files.", "signature": "--sysconfdir", "source_url": "/docs/19/app-pgconfig.html", "description": "Print the location of system-wide configuration files."}, {"names": ["--pgxs"], "summary": "Print the location of extension makefiles.", "signature": "--pgxs", "source_url": "/docs/19/app-pgconfig.html", "description": "Print the location of extension makefiles."}, {"names": ["--configure"], "summary": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below.", "signature": "--configure", "source_url": "/docs/19/app-pgconfig.html", "description": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below."}, {"names": ["--cc"], "summary": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used.", "signature": "--cc", "source_url": "/docs/19/app-pgconfig.html", "description": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used."}, {"names": ["--cppflags"], "summary": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches).", "signature": "--cppflags", "source_url": "/docs/19/app-pgconfig.html", "description": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches)."}, {"names": ["--cflags"], "summary": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches.", "signature": "--cflags", "source_url": "/docs/19/app-pgconfig.html", "description": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches."}, {"names": ["--cflags_sl"], "summary": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries.", "signature": "--cflags_sl", "source_url": "/docs/19/app-pgconfig.html", "description": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries."}, {"names": ["--ldflags"], "summary": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches.", "signature": "--ldflags", "source_url": "/docs/19/app-pgconfig.html", "description": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches."}, {"names": ["--ldflags_ex"], "summary": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only.", "signature": "--ldflags_ex", "source_url": "/docs/19/app-pgconfig.html", "description": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only."}, {"names": ["--ldflags_sl"], "summary": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only.", "signature": "--ldflags_sl", "source_url": "/docs/19/app-pgconfig.html", "description": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only."}, {"names": ["--libs"], "summary": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL .", "signature": "--libs", "source_url": "/docs/19/app-pgconfig.html", "description": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL ."}, {"names": ["--version"], "summary": "Print the version of PostgreSQL .", "signature": "--version", "source_url": "/docs/19/app-pgconfig.html", "description": "Print the version of PostgreSQL ."}, {"names": ["-?", "--help"], "summary": "Show help about pg_config command line arguments, and exit.", "signature": "-? --help", "source_url": "/docs/19/app-pgconfig.html", "description": "Show help about pg_config command line arguments, and exit."}], "related": [], "release": {"ref": "https://ftp.postgresql.org/pub/source/v19beta4/postgresql-19beta4.tar.bz2", "label": "19beta4", "major": "19", "channel": "preview", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/19/postgresql-19-A4.pdf", "bytes": 16064841, "pages": 3052, "sha256": "4dd099e4125c591128fc5f3ebd02178dc24781f9e5ae629f96d67c4c8547427b", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/19/postgresql-19-US.pdf", "bytes": 15974616, "pages": 3225, "sha256": "61971fa857f0956d47341a0388fa6af9ae10acf691d4b2fc009007d384b0342b", "built_at": "2026-09-26"}}, "tree": "19", "index": "index.html", "major": "19", "pages": 1155, "release": "19beta4", "source_url": "https://ftp.postgresql.org/pub/source/v19beta4/postgresql-19beta4.tar.bz2", "svg_assets": 5, "source_mode": "en SGML built with pinned official archive", "source_sha256": "83157ee9c599d03b2f7a3d73ef3a56ec24e0e79cc2b3501a64d1364f56398c86"}, "revision": "1bbbbf4133d426f0e4304010688d2984c30fb67df0cc3a61b3e37eb3f6f37833", "evidence_kind": "English manual and source declarations", "source_sha256": "83157ee9c599d03b2f7a3d73ef3a56ec24e0e79cc2b3501a64d1364f56398c86"}, "sources": [{"url": "/docs/19/app-pgconfig.html", "file": "app-pgconfig.html", "label": "19beta4 English manual \u00b7 app-pgconfig.html", "anchor": "", "sha256": "a7f2d30ab795aa3c03fcfc881ed7e9e3a52ead68bf4b6a794492050f960fa9f4"}, {"url": "/docs/19/reference-client.html", "file": "reference-client.html", "label": "Client applications inventory", "anchor": "", "sha256": "c827f460db781b39da305303c88e73729a419cd2b2b9dedb126d8ad5cbf02c95"}], "sections": [], "synopsis": ["pg_config [ option ...]"], "signature": "pg_config [ option ...]", "description": ["pg_config \u2014 retrieve information about the installed version of PostgreSQL"], "environment": [], "manual_html": "<div><div class=\"refentry\" id=\"APP-PGCONFIG\">\n<div class=\"titlepage\"></div>\n<div class=\"refnamediv\">\n<h2><span class=\"refentrytitle\"><span class=\"application\">pg_config</span></span></h2>\n<p>pg_config \u2014 retrieve information about the installed version of <span class=\"productname\">PostgreSQL</span></p>\n</div>\n<div class=\"refsynopsisdiv\">\n<h2>Synopsis</h2>\n<div class=\"cmdsynopsis\">\n<p id=\"id-1.9.4.13.4.1\"><code class=\"command\">pg_config</code> [<em class=\"replaceable\"><code>option</code></em>...]</p>\n</div>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.13.5\">\n<h2>Description</h2>\n<p>The <span class=\"application\">pg_config</span> utility prints configuration parameters of the currently installed version of <span class=\"productname\">PostgreSQL</span>. It is intended, for example, to be used by software packages that want to interface to <span class=\"productname\">PostgreSQL</span> to facilitate finding the required header files and libraries.</p>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.13.6\">\n<h2>Options</h2>\n<p>To use <span class=\"application\">pg_config</span>, supply one or more of the following options:</p>\n<div class=\"variablelist\">\n<dl class=\"variablelist\">\n<dt><span class=\"term\"><code class=\"option\">--bindir</code></span></dt>\n<dd>\n<p>Print the location of user executables. Use this, for example, to find the <code class=\"command\">psql</code> program. This is normally also the location where the <code class=\"filename\">pg_config</code> program resides.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--docdir</code></span></dt>\n<dd>\n<p>Print the location of documentation files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--htmldir</code></span></dt>\n<dd>\n<p>Print the location of HTML documentation files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--includedir</code></span></dt>\n<dd>\n<p>Print the location of C header files of the client interfaces.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--pkgincludedir</code></span></dt>\n<dd>\n<p>Print the location of other C header files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--includedir-server</code></span></dt>\n<dd>\n<p>Print the location of C header files for server programming.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--libdir</code></span></dt>\n<dd>\n<p>Print the location of object code libraries.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--pkglibdir</code></span></dt>\n<dd>\n<p>Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--localedir</code></span></dt>\n<dd>\n<p>Print the location of locale support files. (This will be an empty string if locale support was not configured when <span class=\"productname\">PostgreSQL</span> was built.)</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--mandir</code></span></dt>\n<dd>\n<p>Print the location of manual pages.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--sharedir</code></span></dt>\n<dd>\n<p>Print the location of architecture-independent support files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--sysconfdir</code></span></dt>\n<dd>\n<p>Print the location of system-wide configuration files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--pgxs</code></span></dt>\n<dd>\n<p>Print the location of extension makefiles.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--configure</code></span></dt>\n<dd>\n<p>Print the options that were given to the <code class=\"filename\">configure</code> script when <span class=\"productname\">PostgreSQL</span> was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cc</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CC</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows the C compiler used.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cppflags</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CPPFLAGS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows C compiler switches needed at preprocessing time (typically, <code class=\"literal\">-I</code> switches).</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cflags</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CFLAGS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows C compiler switches.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cflags_sl</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CFLAGS_SL</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows extra C compiler switches used for building shared libraries.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--ldflags</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LDFLAGS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows linker switches.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--ldflags_ex</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LDFLAGS_EX</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows linker switches used for building executables only.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--ldflags_sl</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LDFLAGS_SL</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows linker switches used for building shared libraries only.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--libs</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LIBS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This normally contains <code class=\"literal\">-l</code> switches for external libraries linked into <span class=\"productname\">PostgreSQL</span>.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--version</code></span></dt>\n<dd>\n<p>Print the version of <span class=\"productname\">PostgreSQL</span>.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">-?</code><br></span><span class=\"term\"><code class=\"option\">--help</code></span></dt>\n<dd>\n<p>Show help about <span class=\"application\">pg_config</span> command line arguments, and exit.</p>\n</dd>\n</dl>\n</div>\n<p>If more than one option is given, the information is printed in that order, one item per line. If no options are given, all available information is printed, with labels.</p>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.13.7\">\n<h2>Notes</h2>\n<p>The options <code class=\"option\">--docdir</code>, <code class=\"option\">--pkgincludedir</code>, <code class=\"option\">--localedir</code>, <code class=\"option\">--mandir</code>, <code class=\"option\">--sharedir</code>, <code class=\"option\">--sysconfdir</code>, <code class=\"option\">--cc</code>, <code class=\"option\">--cppflags</code>, <code class=\"option\">--cflags</code>, <code class=\"option\">--cflags_sl</code>, <code class=\"option\">--ldflags</code>, <code class=\"option\">--ldflags_sl</code>, and <code class=\"option\">--libs</code> were added in <span class=\"productname\">PostgreSQL</span> 8.1. The option <code class=\"option\">--htmldir</code> was added in <span class=\"productname\">PostgreSQL</span> 8.4. The option <code class=\"option\">--ldflags_ex</code> was added in <span class=\"productname\">PostgreSQL</span> 9.0.</p>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.13.8\">\n<h2>Example</h2>\n<p>To reproduce the build configuration of the current PostgreSQL installation, run the following command:</p>\n<pre class=\"programlisting\">eval ./configure `pg_config --configure`\n</pre>\n<p>The output of <code class=\"literal\">pg_config --configure</code> contains shell quotation marks so arguments with spaces are represented correctly. Therefore, using <code class=\"literal\">eval</code> is required for proper results.</p>\n</div>\n</div></div>", "manual_path": "app-pgconfig.html", "comparison_data": {"options": [{"names": ["--bindir"], "signature": "--bindir", "description": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides."}, {"names": ["--docdir"], "signature": "--docdir", "description": "Print the location of documentation files."}, {"names": ["--htmldir"], "signature": "--htmldir", "description": "Print the location of HTML documentation files."}, {"names": ["--includedir"], "signature": "--includedir", "description": "Print the location of C header files of the client interfaces."}, {"names": ["--pkgincludedir"], "signature": "--pkgincludedir", "description": "Print the location of other C header files."}, {"names": ["--includedir-server"], "signature": "--includedir-server", "description": "Print the location of C header files for server programming."}, {"names": ["--libdir"], "signature": "--libdir", "description": "Print the location of object code libraries."}, {"names": ["--pkglibdir"], "signature": "--pkglibdir", "description": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)"}, {"names": ["--localedir"], "signature": "--localedir", "description": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)"}, {"names": ["--mandir"], "signature": "--mandir", "description": "Print the location of manual pages."}, {"names": ["--sharedir"], "signature": "--sharedir", "description": "Print the location of architecture-independent support files."}, {"names": ["--sysconfdir"], "signature": "--sysconfdir", "description": "Print the location of system-wide configuration files."}, {"names": ["--pgxs"], "signature": "--pgxs", "description": "Print the location of extension makefiles."}, {"names": ["--configure"], "signature": "--configure", "description": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below."}, {"names": ["--cc"], "signature": "--cc", "description": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used."}, {"names": ["--cppflags"], "signature": "--cppflags", "description": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches)."}, {"names": ["--cflags"], "signature": "--cflags", "description": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches."}, {"names": ["--cflags_sl"], "signature": "--cflags_sl", "description": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries."}, {"names": ["--ldflags"], "signature": "--ldflags", "description": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches."}, {"names": ["--ldflags_ex"], "signature": "--ldflags_ex", "description": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only."}, {"names": ["--ldflags_sl"], "signature": "--ldflags_sl", "description": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only."}, {"names": ["--libs"], "signature": "--libs", "description": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL ."}, {"names": ["--version"], "signature": "--version", "description": "Print the version of PostgreSQL ."}, {"names": ["-?", "--help"], "signature": "-? --help", "description": "Show help about pg_config command line arguments, and exit."}], "synopsis": ["pg_config [ option ...]"], "environment": []}, "comparison_hash": "248cccc5a7ef651b001ba3bc1551a93a9ce4d99191053e610269d49e7daa3cb5"}, "20": {"facts": [{"label": "Documented executable", "value": "pg_config"}, {"label": "Executable version", "value": "20devel"}, {"label": "Reference inventory", "value": "Client applications"}, {"label": "Option definition groups", "value": "24"}], "tables": [{"key": "options", "rows": [{"summary": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides.", "signature": {"url": "/docs/devel/app-pgconfig.html", "text": "--bindir"}}, {"summary": "Print the location of documentation files.", "signature": {"url": "/docs/devel/app-pgconfig.html", "text": "--docdir"}}, {"summary": "Print the location of HTML documentation files.", "signature": {"url": "/docs/devel/app-pgconfig.html", "text": "--htmldir"}}, {"summary": "Print the location of C header files of the client interfaces.", "signature": {"url": "/docs/devel/app-pgconfig.html", "text": "--includedir"}}, {"summary": "Print the location of other C header files.", "signature": {"url": "/docs/devel/app-pgconfig.html", "text": "--pkgincludedir"}}, {"summary": "Print the location of C header files for server programming.", "signature": {"url": "/docs/devel/app-pgconfig.html", "text": "--includedir-server"}}, {"summary": "Print the location of object code libraries.", "signature": {"url": "/docs/devel/app-pgconfig.html", "text": "--libdir"}}, {"summary": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)", "signature": {"url": "/docs/devel/app-pgconfig.html", "text": "--pkglibdir"}}, {"summary": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)", "signature": {"url": "/docs/devel/app-pgconfig.html", "text": "--localedir"}}, {"summary": "Print the location of manual pages.", "signature": {"url": "/docs/devel/app-pgconfig.html", "text": "--mandir"}}, {"summary": "Print the location of architecture-independent support files.", "signature": {"url": "/docs/devel/app-pgconfig.html", "text": "--sharedir"}}, {"summary": "Print the location of system-wide configuration files.", "signature": {"url": "/docs/devel/app-pgconfig.html", "text": "--sysconfdir"}}, {"summary": "Print the location of extension makefiles.", "signature": {"url": "/docs/devel/app-pgconfig.html", "text": "--pgxs"}}, {"summary": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below.", "signature": {"url": "/docs/devel/app-pgconfig.html", "text": "--configure"}}, {"summary": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used.", "signature": {"url": "/docs/devel/app-pgconfig.html", "text": "--cc"}}, {"summary": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches).", "signature": {"url": "/docs/devel/app-pgconfig.html", "text": "--cppflags"}}, {"summary": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches.", "signature": {"url": "/docs/devel/app-pgconfig.html", "text": "--cflags"}}, {"summary": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries.", "signature": {"url": "/docs/devel/app-pgconfig.html", "text": "--cflags_sl"}}, {"summary": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches.", "signature": {"url": "/docs/devel/app-pgconfig.html", "text": "--ldflags"}}, {"summary": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only.", "signature": {"url": "/docs/devel/app-pgconfig.html", "text": "--ldflags_ex"}}, {"summary": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only.", "signature": {"url": "/docs/devel/app-pgconfig.html", "text": "--ldflags_sl"}}, {"summary": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL .", "signature": {"url": "/docs/devel/app-pgconfig.html", "text": "--libs"}}, {"summary": "Print the version of PostgreSQL .", "signature": {"url": "/docs/devel/app-pgconfig.html", "text": "--version"}}, {"summary": "Show help about pg_config command line arguments, and exit.", "signature": {"url": "/docs/devel/app-pgconfig.html", "text": "-? --help"}}], "title": "Documented options", "columns": [{"key": "signature", "label": "Option and arguments"}, {"key": "summary", "label": "Description"}]}], "options": [{"names": ["--bindir"], "summary": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides.", "signature": "--bindir", "source_url": "/docs/devel/app-pgconfig.html", "description": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides."}, {"names": ["--docdir"], "summary": "Print the location of documentation files.", "signature": "--docdir", "source_url": "/docs/devel/app-pgconfig.html", "description": "Print the location of documentation files."}, {"names": ["--htmldir"], "summary": "Print the location of HTML documentation files.", "signature": "--htmldir", "source_url": "/docs/devel/app-pgconfig.html", "description": "Print the location of HTML documentation files."}, {"names": ["--includedir"], "summary": "Print the location of C header files of the client interfaces.", "signature": "--includedir", "source_url": "/docs/devel/app-pgconfig.html", "description": "Print the location of C header files of the client interfaces."}, {"names": ["--pkgincludedir"], "summary": "Print the location of other C header files.", "signature": "--pkgincludedir", "source_url": "/docs/devel/app-pgconfig.html", "description": "Print the location of other C header files."}, {"names": ["--includedir-server"], "summary": "Print the location of C header files for server programming.", "signature": "--includedir-server", "source_url": "/docs/devel/app-pgconfig.html", "description": "Print the location of C header files for server programming."}, {"names": ["--libdir"], "summary": "Print the location of object code libraries.", "signature": "--libdir", "source_url": "/docs/devel/app-pgconfig.html", "description": "Print the location of object code libraries."}, {"names": ["--pkglibdir"], "summary": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)", "signature": "--pkglibdir", "source_url": "/docs/devel/app-pgconfig.html", "description": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)"}, {"names": ["--localedir"], "summary": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)", "signature": "--localedir", "source_url": "/docs/devel/app-pgconfig.html", "description": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)"}, {"names": ["--mandir"], "summary": "Print the location of manual pages.", "signature": "--mandir", "source_url": "/docs/devel/app-pgconfig.html", "description": "Print the location of manual pages."}, {"names": ["--sharedir"], "summary": "Print the location of architecture-independent support files.", "signature": "--sharedir", "source_url": "/docs/devel/app-pgconfig.html", "description": "Print the location of architecture-independent support files."}, {"names": ["--sysconfdir"], "summary": "Print the location of system-wide configuration files.", "signature": "--sysconfdir", "source_url": "/docs/devel/app-pgconfig.html", "description": "Print the location of system-wide configuration files."}, {"names": ["--pgxs"], "summary": "Print the location of extension makefiles.", "signature": "--pgxs", "source_url": "/docs/devel/app-pgconfig.html", "description": "Print the location of extension makefiles."}, {"names": ["--configure"], "summary": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below.", "signature": "--configure", "source_url": "/docs/devel/app-pgconfig.html", "description": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below."}, {"names": ["--cc"], "summary": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used.", "signature": "--cc", "source_url": "/docs/devel/app-pgconfig.html", "description": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used."}, {"names": ["--cppflags"], "summary": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches).", "signature": "--cppflags", "source_url": "/docs/devel/app-pgconfig.html", "description": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches)."}, {"names": ["--cflags"], "summary": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches.", "signature": "--cflags", "source_url": "/docs/devel/app-pgconfig.html", "description": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches."}, {"names": ["--cflags_sl"], "summary": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries.", "signature": "--cflags_sl", "source_url": "/docs/devel/app-pgconfig.html", "description": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries."}, {"names": ["--ldflags"], "summary": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches.", "signature": "--ldflags", "source_url": "/docs/devel/app-pgconfig.html", "description": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches."}, {"names": ["--ldflags_ex"], "summary": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only.", "signature": "--ldflags_ex", "source_url": "/docs/devel/app-pgconfig.html", "description": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only."}, {"names": ["--ldflags_sl"], "summary": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only.", "signature": "--ldflags_sl", "source_url": "/docs/devel/app-pgconfig.html", "description": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only."}, {"names": ["--libs"], "summary": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL .", "signature": "--libs", "source_url": "/docs/devel/app-pgconfig.html", "description": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL ."}, {"names": ["--version"], "summary": "Print the version of PostgreSQL .", "signature": "--version", "source_url": "/docs/devel/app-pgconfig.html", "description": "Print the version of PostgreSQL ."}, {"names": ["-?", "--help"], "summary": "Show help about pg_config command line arguments, and exit.", "signature": "-? --help", "source_url": "/docs/devel/app-pgconfig.html", "description": "Show help about pg_config command line arguments, and exit."}], "related": [], "release": {"ref": "https://ftp.postgresql.org/pub/snapshot/dev/postgresql-snapshot.tar.bz2", "label": "20devel", "major": "20", "channel": "devel", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/20/postgresql-20-A4.pdf", "bytes": 16030631, "pages": 3052, "sha256": "bd5d82c0ce38fc18f92a0447818a91a193a261776bca1c37564bf9a683e177d0", "built_at": "2026-09-28"}, "US": {"url": "/files/documentation/pdf/20/postgresql-20-US.pdf", "bytes": 15936613, "pages": 3223, "sha256": "d97d9e0db479a02f4234b175f50fcad70c3661619afc8d6df9b9437882e3c299", "built_at": "2026-09-28"}}, "tree": "0", "index": "index.html", "major": "20", "pages": 1156, "release": "20devel", "source_url": "https://ftp.postgresql.org/pub/snapshot/dev/postgresql-snapshot.tar.bz2", "svg_assets": 6, "source_mode": "en SGML built with pinned official archive", "source_sha256": "4d3346909b201ac1648232cf290462a7070c119326f56196f1f0253ed80fae41", "source_snapshot_utc": "26-Sep-2026 20:22"}, "revision": "2eba5e0fd4c3bffb2803247b6cd537878e9d6ee5a6dfbe3c50ece8b421b80918", "evidence_kind": "English manual and source declarations", "source_sha256": "4d3346909b201ac1648232cf290462a7070c119326f56196f1f0253ed80fae41"}, "sources": [{"url": "/docs/devel/app-pgconfig.html", "file": "app-pgconfig.html", "label": "20devel English manual \u00b7 app-pgconfig.html", "anchor": "", "sha256": "e85b170358256ba242928e26eb3f1613a7c2a803a8bab6c107f2dbfbf08cfee6"}, {"url": "/docs/devel/reference-client.html", "file": "reference-client.html", "label": "Client applications inventory", "anchor": "", "sha256": "a6c7ba748fa1d9feac5bb7cde41d1d36a1f4c26d5963e07fb103d02918b2a8ca"}], "sections": [], "synopsis": ["pg_config [ option ...]"], "signature": "pg_config [ option ...]", "description": ["pg_config \u2014 retrieve information about the installed version of PostgreSQL"], "environment": [], "manual_html": "<div><div class=\"refentry\" id=\"APP-PGCONFIG\">\n<div class=\"titlepage\"></div>\n<div class=\"refnamediv\">\n<h2><span class=\"refentrytitle\"><span class=\"application\">pg_config</span></span></h2>\n<p>pg_config \u2014 retrieve information about the installed version of <span class=\"productname\">PostgreSQL</span></p>\n</div>\n<div class=\"refsynopsisdiv\">\n<h2>Synopsis</h2>\n<div class=\"cmdsynopsis\">\n<p id=\"id-1.9.4.13.4.1\"><code class=\"command\">pg_config</code> [<em class=\"replaceable\"><code>option</code></em>...]</p>\n</div>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.13.5\">\n<h2>Description</h2>\n<p>The <span class=\"application\">pg_config</span> utility prints configuration parameters of the currently installed version of <span class=\"productname\">PostgreSQL</span>. It is intended, for example, to be used by software packages that want to interface to <span class=\"productname\">PostgreSQL</span> to facilitate finding the required header files and libraries.</p>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.13.6\">\n<h2>Options</h2>\n<p>To use <span class=\"application\">pg_config</span>, supply one or more of the following options:</p>\n<div class=\"variablelist\">\n<dl class=\"variablelist\">\n<dt><span class=\"term\"><code class=\"option\">--bindir</code></span></dt>\n<dd>\n<p>Print the location of user executables. Use this, for example, to find the <code class=\"command\">psql</code> program. This is normally also the location where the <code class=\"filename\">pg_config</code> program resides.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--docdir</code></span></dt>\n<dd>\n<p>Print the location of documentation files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--htmldir</code></span></dt>\n<dd>\n<p>Print the location of HTML documentation files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--includedir</code></span></dt>\n<dd>\n<p>Print the location of C header files of the client interfaces.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--pkgincludedir</code></span></dt>\n<dd>\n<p>Print the location of other C header files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--includedir-server</code></span></dt>\n<dd>\n<p>Print the location of C header files for server programming.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--libdir</code></span></dt>\n<dd>\n<p>Print the location of object code libraries.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--pkglibdir</code></span></dt>\n<dd>\n<p>Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--localedir</code></span></dt>\n<dd>\n<p>Print the location of locale support files. (This will be an empty string if locale support was not configured when <span class=\"productname\">PostgreSQL</span> was built.)</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--mandir</code></span></dt>\n<dd>\n<p>Print the location of manual pages.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--sharedir</code></span></dt>\n<dd>\n<p>Print the location of architecture-independent support files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--sysconfdir</code></span></dt>\n<dd>\n<p>Print the location of system-wide configuration files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--pgxs</code></span></dt>\n<dd>\n<p>Print the location of extension makefiles.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--configure</code></span></dt>\n<dd>\n<p>Print the options that were given to the <code class=\"filename\">configure</code> script when <span class=\"productname\">PostgreSQL</span> was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cc</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CC</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows the C compiler used.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cppflags</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CPPFLAGS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows C compiler switches needed at preprocessing time (typically, <code class=\"literal\">-I</code> switches).</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cflags</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CFLAGS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows C compiler switches.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cflags_sl</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CFLAGS_SL</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows extra C compiler switches used for building shared libraries.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--ldflags</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LDFLAGS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows linker switches.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--ldflags_ex</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LDFLAGS_EX</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows linker switches used for building executables only.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--ldflags_sl</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LDFLAGS_SL</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows linker switches used for building shared libraries only.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--libs</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LIBS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This normally contains <code class=\"literal\">-l</code> switches for external libraries linked into <span class=\"productname\">PostgreSQL</span>.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--version</code></span></dt>\n<dd>\n<p>Print the version of <span class=\"productname\">PostgreSQL</span>.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">-?</code><br></span><span class=\"term\"><code class=\"option\">--help</code></span></dt>\n<dd>\n<p>Show help about <span class=\"application\">pg_config</span> command line arguments, and exit.</p>\n</dd>\n</dl>\n</div>\n<p>If more than one option is given, the information is printed in that order, one item per line. If no options are given, all available information is printed, with labels.</p>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.13.7\">\n<h2>Notes</h2>\n<p>The options <code class=\"option\">--docdir</code>, <code class=\"option\">--pkgincludedir</code>, <code class=\"option\">--localedir</code>, <code class=\"option\">--mandir</code>, <code class=\"option\">--sharedir</code>, <code class=\"option\">--sysconfdir</code>, <code class=\"option\">--cc</code>, <code class=\"option\">--cppflags</code>, <code class=\"option\">--cflags</code>, <code class=\"option\">--cflags_sl</code>, <code class=\"option\">--ldflags</code>, <code class=\"option\">--ldflags_sl</code>, and <code class=\"option\">--libs</code> were added in <span class=\"productname\">PostgreSQL</span> 8.1. The option <code class=\"option\">--htmldir</code> was added in <span class=\"productname\">PostgreSQL</span> 8.4. The option <code class=\"option\">--ldflags_ex</code> was added in <span class=\"productname\">PostgreSQL</span> 9.0.</p>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.13.8\">\n<h2>Example</h2>\n<p>To reproduce the build configuration of the current PostgreSQL installation, run the following command:</p>\n<pre class=\"programlisting\">eval ./configure `pg_config --configure`\n</pre>\n<p>The output of <code class=\"literal\">pg_config --configure</code> contains shell quotation marks so arguments with spaces are represented correctly. Therefore, using <code class=\"literal\">eval</code> is required for proper results.</p>\n</div>\n</div></div>", "manual_path": "app-pgconfig.html", "comparison_data": {"options": [{"names": ["--bindir"], "signature": "--bindir", "description": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides."}, {"names": ["--docdir"], "signature": "--docdir", "description": "Print the location of documentation files."}, {"names": ["--htmldir"], "signature": "--htmldir", "description": "Print the location of HTML documentation files."}, {"names": ["--includedir"], "signature": "--includedir", "description": "Print the location of C header files of the client interfaces."}, {"names": ["--pkgincludedir"], "signature": "--pkgincludedir", "description": "Print the location of other C header files."}, {"names": ["--includedir-server"], "signature": "--includedir-server", "description": "Print the location of C header files for server programming."}, {"names": ["--libdir"], "signature": "--libdir", "description": "Print the location of object code libraries."}, {"names": ["--pkglibdir"], "signature": "--pkglibdir", "description": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)"}, {"names": ["--localedir"], "signature": "--localedir", "description": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)"}, {"names": ["--mandir"], "signature": "--mandir", "description": "Print the location of manual pages."}, {"names": ["--sharedir"], "signature": "--sharedir", "description": "Print the location of architecture-independent support files."}, {"names": ["--sysconfdir"], "signature": "--sysconfdir", "description": "Print the location of system-wide configuration files."}, {"names": ["--pgxs"], "signature": "--pgxs", "description": "Print the location of extension makefiles."}, {"names": ["--configure"], "signature": "--configure", "description": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below."}, {"names": ["--cc"], "signature": "--cc", "description": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used."}, {"names": ["--cppflags"], "signature": "--cppflags", "description": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches)."}, {"names": ["--cflags"], "signature": "--cflags", "description": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches."}, {"names": ["--cflags_sl"], "signature": "--cflags_sl", "description": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries."}, {"names": ["--ldflags"], "signature": "--ldflags", "description": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches."}, {"names": ["--ldflags_ex"], "signature": "--ldflags_ex", "description": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only."}, {"names": ["--ldflags_sl"], "signature": "--ldflags_sl", "description": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only."}, {"names": ["--libs"], "signature": "--libs", "description": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL ."}, {"names": ["--version"], "signature": "--version", "description": "Print the version of PostgreSQL ."}, {"names": ["-?", "--help"], "signature": "-? --help", "description": "Show help about pg_config command line arguments, and exit."}], "synopsis": ["pg_config [ option ...]"], "environment": []}, "comparison_hash": "248cccc5a7ef651b001ba3bc1551a93a9ce4d99191053e610269d49e7daa3cb5"}}}, "snapshot": {"facts": [{"label": "Documented executable", "value": "pg_config"}, {"label": "Executable version", "value": "18.6"}, {"label": "Reference inventory", "value": "Client applications"}, {"label": "Option definition groups", "value": "24"}], "tables": [{"key": "options", "rows": [{"summary": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--bindir"}}, {"summary": "Print the location of documentation files.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--docdir"}}, {"summary": "Print the location of HTML documentation files.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--htmldir"}}, {"summary": "Print the location of C header files of the client interfaces.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--includedir"}}, {"summary": "Print the location of other C header files.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--pkgincludedir"}}, {"summary": "Print the location of C header files for server programming.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--includedir-server"}}, {"summary": "Print the location of object code libraries.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--libdir"}}, {"summary": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--pkglibdir"}}, {"summary": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--localedir"}}, {"summary": "Print the location of manual pages.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--mandir"}}, {"summary": "Print the location of architecture-independent support files.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--sharedir"}}, {"summary": "Print the location of system-wide configuration files.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--sysconfdir"}}, {"summary": "Print the location of extension makefiles.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--pgxs"}}, {"summary": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--configure"}}, {"summary": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--cc"}}, {"summary": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches).", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--cppflags"}}, {"summary": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--cflags"}}, {"summary": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--cflags_sl"}}, {"summary": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--ldflags"}}, {"summary": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--ldflags_ex"}}, {"summary": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--ldflags_sl"}}, {"summary": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL .", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--libs"}}, {"summary": "Print the version of PostgreSQL .", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "--version"}}, {"summary": "Show help about pg_config command line arguments, and exit.", "signature": {"url": "/docs/18/app-pgconfig.html", "text": "-? --help"}}], "title": "Documented options", "columns": [{"key": "signature", "label": "Option and arguments"}, {"key": "summary", "label": "Description"}]}], "options": [{"names": ["--bindir"], "summary": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides.", "signature": "--bindir", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides."}, {"names": ["--docdir"], "summary": "Print the location of documentation files.", "signature": "--docdir", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the location of documentation files."}, {"names": ["--htmldir"], "summary": "Print the location of HTML documentation files.", "signature": "--htmldir", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the location of HTML documentation files."}, {"names": ["--includedir"], "summary": "Print the location of C header files of the client interfaces.", "signature": "--includedir", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the location of C header files of the client interfaces."}, {"names": ["--pkgincludedir"], "summary": "Print the location of other C header files.", "signature": "--pkgincludedir", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the location of other C header files."}, {"names": ["--includedir-server"], "summary": "Print the location of C header files for server programming.", "signature": "--includedir-server", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the location of C header files for server programming."}, {"names": ["--libdir"], "summary": "Print the location of object code libraries.", "signature": "--libdir", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the location of object code libraries."}, {"names": ["--pkglibdir"], "summary": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)", "signature": "--pkglibdir", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)"}, {"names": ["--localedir"], "summary": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)", "signature": "--localedir", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)"}, {"names": ["--mandir"], "summary": "Print the location of manual pages.", "signature": "--mandir", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the location of manual pages."}, {"names": ["--sharedir"], "summary": "Print the location of architecture-independent support files.", "signature": "--sharedir", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the location of architecture-independent support files."}, {"names": ["--sysconfdir"], "summary": "Print the location of system-wide configuration files.", "signature": "--sysconfdir", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the location of system-wide configuration files."}, {"names": ["--pgxs"], "summary": "Print the location of extension makefiles.", "signature": "--pgxs", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the location of extension makefiles."}, {"names": ["--configure"], "summary": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below.", "signature": "--configure", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below."}, {"names": ["--cc"], "summary": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used.", "signature": "--cc", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used."}, {"names": ["--cppflags"], "summary": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches).", "signature": "--cppflags", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches)."}, {"names": ["--cflags"], "summary": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches.", "signature": "--cflags", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches."}, {"names": ["--cflags_sl"], "summary": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries.", "signature": "--cflags_sl", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries."}, {"names": ["--ldflags"], "summary": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches.", "signature": "--ldflags", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches."}, {"names": ["--ldflags_ex"], "summary": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only.", "signature": "--ldflags_ex", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only."}, {"names": ["--ldflags_sl"], "summary": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only.", "signature": "--ldflags_sl", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only."}, {"names": ["--libs"], "summary": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL .", "signature": "--libs", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL ."}, {"names": ["--version"], "summary": "Print the version of PostgreSQL .", "signature": "--version", "source_url": "/docs/18/app-pgconfig.html", "description": "Print the version of PostgreSQL ."}, {"names": ["-?", "--help"], "summary": "Show help about pg_config command line arguments, and exit.", "signature": "-? --help", "source_url": "/docs/18/app-pgconfig.html", "description": "Show help about pg_config command line arguments, and exit."}], "related": [], "release": {"ref": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "label": "18.6", "major": "18", "channel": "stable", "manifest": {"pdf": {"A4": {"url": "/files/documentation/pdf/18/postgresql-18-A4.pdf", "bytes": 15865106, "pages": 3154, "sha256": "19512c405da53f9f7fcf0abba359223aa65f021be025bf3411381918f92e3190", "built_at": "2026-09-26"}, "US": {"url": "/files/documentation/pdf/18/postgresql-18-US.pdf", "bytes": 15748059, "pages": 3328, "sha256": "facbe6c229e598b872d3d98bef53308f46e06746006fa4590de9a7de9dd46319", "built_at": "2026-09-26"}}, "tree": "18", "index": "index.html", "major": "18", "pages": 1148, "release": "18.6", "source_url": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "svg_assets": 3, "source_mode": "en SGML built with pinned official archive", "source_sha256": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "revision": "ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8", "evidence_kind": "English manual and source declarations", "source_sha256": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sources": [{"url": "/docs/18/app-pgconfig.html", "file": "app-pgconfig.html", "label": "18.6 English manual \u00b7 app-pgconfig.html", "anchor": "", "sha256": "db15302f0536178ed6b93e98108702c73f6b9d4797ab02cedc991ede12e511d6"}, {"url": "/docs/18/reference-client.html", "file": "reference-client.html", "label": "Client applications inventory", "anchor": "", "sha256": "68f726af77272fe73a827be2b7b5958d0f2239a6f8ed44264e9d42496bfa4fd0"}], "sections": [], "synopsis": ["pg_config [ option ...]"], "signature": "pg_config [ option ...]", "description": ["pg_config \u2014 retrieve information about the installed version of PostgreSQL"], "environment": [], "manual_html": "<div><div class=\"refentry\" id=\"APP-PGCONFIG\">\n<div class=\"titlepage\"></div>\n<div class=\"refnamediv\">\n<h2><span class=\"refentrytitle\"><span class=\"application\">pg_config</span></span></h2>\n<p>pg_config \u2014 retrieve information about the installed version of <span class=\"productname\">PostgreSQL</span></p>\n</div>\n<div class=\"refsynopsisdiv\">\n<h2>Synopsis</h2>\n<div class=\"cmdsynopsis\">\n<p id=\"id-1.9.4.13.4.1\"><code class=\"command\">pg_config</code> [<em class=\"replaceable\"><code>option</code></em>...]</p>\n</div>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.13.5\">\n<h2>Description</h2>\n<p>The <span class=\"application\">pg_config</span> utility prints configuration parameters of the currently installed version of <span class=\"productname\">PostgreSQL</span>. It is intended, for example, to be used by software packages that want to interface to <span class=\"productname\">PostgreSQL</span> to facilitate finding the required header files and libraries.</p>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.13.6\">\n<h2>Options</h2>\n<p>To use <span class=\"application\">pg_config</span>, supply one or more of the following options:</p>\n<div class=\"variablelist\">\n<dl class=\"variablelist\">\n<dt><span class=\"term\"><code class=\"option\">--bindir</code></span></dt>\n<dd>\n<p>Print the location of user executables. Use this, for example, to find the <code class=\"command\">psql</code> program. This is normally also the location where the <code class=\"filename\">pg_config</code> program resides.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--docdir</code></span></dt>\n<dd>\n<p>Print the location of documentation files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--htmldir</code></span></dt>\n<dd>\n<p>Print the location of HTML documentation files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--includedir</code></span></dt>\n<dd>\n<p>Print the location of C header files of the client interfaces.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--pkgincludedir</code></span></dt>\n<dd>\n<p>Print the location of other C header files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--includedir-server</code></span></dt>\n<dd>\n<p>Print the location of C header files for server programming.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--libdir</code></span></dt>\n<dd>\n<p>Print the location of object code libraries.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--pkglibdir</code></span></dt>\n<dd>\n<p>Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--localedir</code></span></dt>\n<dd>\n<p>Print the location of locale support files. (This will be an empty string if locale support was not configured when <span class=\"productname\">PostgreSQL</span> was built.)</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--mandir</code></span></dt>\n<dd>\n<p>Print the location of manual pages.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--sharedir</code></span></dt>\n<dd>\n<p>Print the location of architecture-independent support files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--sysconfdir</code></span></dt>\n<dd>\n<p>Print the location of system-wide configuration files.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--pgxs</code></span></dt>\n<dd>\n<p>Print the location of extension makefiles.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--configure</code></span></dt>\n<dd>\n<p>Print the options that were given to the <code class=\"filename\">configure</code> script when <span class=\"productname\">PostgreSQL</span> was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cc</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CC</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows the C compiler used.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cppflags</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CPPFLAGS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows C compiler switches needed at preprocessing time (typically, <code class=\"literal\">-I</code> switches).</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cflags</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CFLAGS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows C compiler switches.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--cflags_sl</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">CFLAGS_SL</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows extra C compiler switches used for building shared libraries.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--ldflags</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LDFLAGS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows linker switches.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--ldflags_ex</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LDFLAGS_EX</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows linker switches used for building executables only.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--ldflags_sl</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LDFLAGS_SL</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This shows linker switches used for building shared libraries only.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--libs</code></span></dt>\n<dd>\n<p>Print the value of the <code class=\"varname\">LIBS</code> variable that was used for building <span class=\"productname\">PostgreSQL</span>. This normally contains <code class=\"literal\">-l</code> switches for external libraries linked into <span class=\"productname\">PostgreSQL</span>.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">--version</code></span></dt>\n<dd>\n<p>Print the version of <span class=\"productname\">PostgreSQL</span>.</p>\n</dd>\n<dt><span class=\"term\"><code class=\"option\">-?</code><br></span><span class=\"term\"><code class=\"option\">--help</code></span></dt>\n<dd>\n<p>Show help about <span class=\"application\">pg_config</span> command line arguments, and exit.</p>\n</dd>\n</dl>\n</div>\n<p>If more than one option is given, the information is printed in that order, one item per line. If no options are given, all available information is printed, with labels.</p>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.13.7\">\n<h2>Notes</h2>\n<p>The options <code class=\"option\">--docdir</code>, <code class=\"option\">--pkgincludedir</code>, <code class=\"option\">--localedir</code>, <code class=\"option\">--mandir</code>, <code class=\"option\">--sharedir</code>, <code class=\"option\">--sysconfdir</code>, <code class=\"option\">--cc</code>, <code class=\"option\">--cppflags</code>, <code class=\"option\">--cflags</code>, <code class=\"option\">--cflags_sl</code>, <code class=\"option\">--ldflags</code>, <code class=\"option\">--ldflags_sl</code>, and <code class=\"option\">--libs</code> were added in <span class=\"productname\">PostgreSQL</span> 8.1. The option <code class=\"option\">--htmldir</code> was added in <span class=\"productname\">PostgreSQL</span> 8.4. The option <code class=\"option\">--ldflags_ex</code> was added in <span class=\"productname\">PostgreSQL</span> 9.0.</p>\n</div>\n<div class=\"refsect1\" id=\"id-1.9.4.13.8\">\n<h2>Example</h2>\n<p>To reproduce the build configuration of the current PostgreSQL installation, run the following command:</p>\n<pre class=\"programlisting\">eval ./configure `pg_config --configure`\n</pre>\n<p>The output of <code class=\"literal\">pg_config --configure</code> contains shell quotation marks so arguments with spaces are represented correctly. Therefore, using <code class=\"literal\">eval</code> is required for proper results.</p>\n</div>\n</div></div>", "manual_path": "app-pgconfig.html", "comparison_data": {"options": [{"names": ["--bindir"], "signature": "--bindir", "description": "Print the location of user executables. Use this, for example, to find the psql program. This is normally also the location where the pg_config program resides."}, {"names": ["--docdir"], "signature": "--docdir", "description": "Print the location of documentation files."}, {"names": ["--htmldir"], "signature": "--htmldir", "description": "Print the location of HTML documentation files."}, {"names": ["--includedir"], "signature": "--includedir", "description": "Print the location of C header files of the client interfaces."}, {"names": ["--pkgincludedir"], "signature": "--pkgincludedir", "description": "Print the location of other C header files."}, {"names": ["--includedir-server"], "signature": "--includedir-server", "description": "Print the location of C header files for server programming."}, {"names": ["--libdir"], "signature": "--libdir", "description": "Print the location of object code libraries."}, {"names": ["--pkglibdir"], "signature": "--pkglibdir", "description": "Print the location of dynamically loadable modules, or where the server would search for them. (Other architecture-dependent data files might also be installed in this directory.)"}, {"names": ["--localedir"], "signature": "--localedir", "description": "Print the location of locale support files. (This will be an empty string if locale support was not configured when PostgreSQL was built.)"}, {"names": ["--mandir"], "signature": "--mandir", "description": "Print the location of manual pages."}, {"names": ["--sharedir"], "signature": "--sharedir", "description": "Print the location of architecture-independent support files."}, {"names": ["--sysconfdir"], "signature": "--sysconfdir", "description": "Print the location of system-wide configuration files."}, {"names": ["--pgxs"], "signature": "--pgxs", "description": "Print the location of extension makefiles."}, {"names": ["--configure"], "signature": "--configure", "description": "Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to reproduce the identical configuration, or to find out with what options a binary package was built. (Note however that binary packages often contain vendor-specific custom patches.) See also the examples below."}, {"names": ["--cc"], "signature": "--cc", "description": "Print the value of the CC variable that was used for building PostgreSQL . This shows the C compiler used."}, {"names": ["--cppflags"], "signature": "--cppflags", "description": "Print the value of the CPPFLAGS variable that was used for building PostgreSQL . This shows C compiler switches needed at preprocessing time (typically, -I switches)."}, {"names": ["--cflags"], "signature": "--cflags", "description": "Print the value of the CFLAGS variable that was used for building PostgreSQL . This shows C compiler switches."}, {"names": ["--cflags_sl"], "signature": "--cflags_sl", "description": "Print the value of the CFLAGS_SL variable that was used for building PostgreSQL . This shows extra C compiler switches used for building shared libraries."}, {"names": ["--ldflags"], "signature": "--ldflags", "description": "Print the value of the LDFLAGS variable that was used for building PostgreSQL . This shows linker switches."}, {"names": ["--ldflags_ex"], "signature": "--ldflags_ex", "description": "Print the value of the LDFLAGS_EX variable that was used for building PostgreSQL . This shows linker switches used for building executables only."}, {"names": ["--ldflags_sl"], "signature": "--ldflags_sl", "description": "Print the value of the LDFLAGS_SL variable that was used for building PostgreSQL . This shows linker switches used for building shared libraries only."}, {"names": ["--libs"], "signature": "--libs", "description": "Print the value of the LIBS variable that was used for building PostgreSQL . This normally contains -l switches for external libraries linked into PostgreSQL ."}, {"names": ["--version"], "signature": "--version", "description": "Print the version of PostgreSQL ."}, {"names": ["-?", "--help"], "signature": "-? --help", "description": "Show help about pg_config command line arguments, and exit."}], "synopsis": ["pg_config [ option ...]"], "environment": []}, "comparison_hash": "248cccc5a7ef651b001ba3bc1551a93a9ce4d99191053e610269d49e7daa3cb5"}, "comparison": {"left": "17", "right": "18", "status": "unchanged", "diff": ""}}