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RedHat 9 (Linux i386) - man page for pg_config (redhat section 1)

PG_CONFIG(1)						  PostgreSQL Client Applications					      PG_CONFIG(1)

NAME
pg_config - retrieve information about the installed version of PostgreSQL
SYNOPSIS
pg_config { --bindir | --includedir | --includedir-server | --libdir | --pkglibdir | --configure | --version }...
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. --includedir Print the location of C header files of the client interfaces. --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 may also be installed in this directory.) --configure Print the options that were given to the configure script when PostgreSQL was configured for building. This can be used to repro- duce 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.) --version Print the version of PostgreSQL and exit. If more than one option (except for --version) is given, the information is printed in that order, one item per line.
NOTES
The option --includedir-server is new 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 --includedir. To make your package handle both cases, try the newer option first and test the exit status to see whether it succeeded. In releases prior to PostgreSQL 7.1, before the pg_config came to be, a method for finding the equivalent configuration information did not exist.
HISTORY
The pg_config utility first appeared in PostgreSQL 7.1.
SEE ALSO
PostgreSQL Programmer's Guide Application 2002-11-22 PG_CONFIG(1)