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PG_CONFIG(1) | PostgreSQL 9.1.21 Documentation | PG_CONFIG(1) |
NAME¶
pg_config - retrieve information about the installed version of PostgreSQLSYNOPSIS¶
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: --bindirPrint 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.
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 option --includedir-server was added in PostgreSQL 7.2. In prior releases, the server include files were installed in the same location as the client headers, which could be queried with the option --includedir. To make your package handle both cases, try the newer option first and test the exit status to see whether it succeeded. 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. In releases prior to PostgreSQL 7.1, before pg_config came to be, a method for finding the equivalent configuration information did not exist.EXAMPLE¶
To reproduce the build configuration of the current PostgreSQL installation, run the following command:eval ./configure `pg_config --configure`
2016-04-02 | PostgreSQL 9.1.21 |