pg_config Man page

PG_CONFIG(1) PostgreSQL 9.5.5 Documentation PG_CONFIG(1)

NAME

pg_config – retrieve information about the installed version of
PostgreSQL

SYNOPSIS

pg_config [option…]

DESCRIPTION

The pg_config utility prints configuration parameters of the currently
installed version of PostgreSQL. It is intended, for example, to be
used by software packages that want to interface to PostgreSQL to
facilitate finding the required header files and libraries.

OPTIONS

To use pg_config, supply one or more of the following options:

–bindir
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.

–docdir
Print the location of documentation files.

–htmldir
Print the location of HTML documentation files.

–includedir
Print the location of C header files of the client interfaces.

–pkgincludedir
Print the location of other C header files.

–includedir-server
Print the location of C header files for server programming.

–libdir
Print the location of object code libraries.

–pkglibdir
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.)

–localedir
Print the location of locale support files. (This will be an empty
string if locale support was not configured when PostgreSQL was
built.)

–mandir
Print the location of manual pages.

–sharedir
Print the location of architecture-independent support files.

–sysconfdir
Print the location of system-wide configuration files.

–pgxs
Print the location of extension makefiles.

–configure
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.

–cc
Print the value of the CC variable that was used for building
PostgreSQL. This shows the C compiler used.

–cppflags
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).

–cflags
Print the value of the CFLAGS variable that was used for building
PostgreSQL. This shows C compiler switches.

–cflags_sl
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.

–ldflags
Print the value of the LDFLAGS variable that was used for building
PostgreSQL. This shows linker switches.

–ldflags_ex
Print the value of the LDFLAGS_EX variable that was used for
building PostgreSQL. This shows linker switches used for building
executables only.

–ldflags_sl
Print the value of the LDFLAGS_SL variable that was used for
building PostgreSQL. This shows linker switches used for building
shared libraries only.

–libs
Print the value of the LIBS variable that was used for building
PostgreSQL. This normally contains -l switches for external
libraries linked into PostgreSQL.

–version
Print the version of PostgreSQL.

-?
–help
Show help about pg_config command line arguments, and exit.
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.

NOTES
The options –docdir, –pkgincludedir, –localedir, –mandir,
–sharedir, –sysconfdir, –cc, –cppflags, –cflags, –cflags_sl,
–ldflags, –ldflags_sl, and –libs were added in PostgreSQL 8.1. The
option –htmldir was added in PostgreSQL 8.4. The option –ldflags_ex
was added in PostgreSQL 9.0.

EXAMPLE
To reproduce the build configuration of the current PostgreSQL
installation, run the following command:

eval ./configure `pg_config –configure`

The output of pg_config –configure contains shell quotation marks so
arguments with spaces are represented correctly. Therefore, using eval
is required for proper results.

PostgreSQL 9.5.5 2016 PG_CONFIG(1)

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