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@node ax_lib_postgresql
@unnumberedsec ax_lib_postgresql
@majorheading Synopsis
@smallexample
AX_LIB_POSTGRESQL([MINIMUM-VERSION],[ACTION-IF-FOUND],[ACTION-IF-NOT-FOUND])
@end smallexample
@majorheading Description
This macro provides tests of availability of PostgreSQL 'libpq' library
of particular version or newer.
AX_LIB_POSTGRESQL macro takes only one argument which is optional. If
there is no required version passed, then macro does not run version
test.
The --with-postgresql option takes one of three possible values:
no - do not check for PostgreSQL client library
yes - do check for PostgreSQL library in standard locations (pg_config
should be in the PATH)
path - complete path to pg_config utility, use this option if pg_config
can't be found in the PATH (You could set also PG_CONFIG variable)
This macro calls:
@smallexample
AC_SUBST(POSTGRESQL_CPPFLAGS)
AC_SUBST(POSTGRESQL_LDFLAGS)
AC_SUBST(POSTGRESQL_LIBS)
AC_SUBST(POSTGRESQL_VERSION)
@end smallexample
And sets:
@smallexample
HAVE_POSTGRESQL
@end smallexample
It execute if found ACTION-IF-FOUND (empty by default) and
ACTION-IF-NOT-FOUND (AC_MSG_FAILURE by default) if not found.
@majorheading Source Code
Download the
@uref{http://git.savannah.gnu.org/gitweb/?p=autoconf-archive.git;a=blob_plain;f=m4/ax_lib_postgresql.m4,latest
version of @file{ax_lib_postgresql.m4}} or browse
@uref{http://git.savannah.gnu.org/gitweb/?p=autoconf-archive.git;a=history;f=m4/ax_lib_postgresql.m4,the
macro's revision history}.
@majorheading License
@w{Copyright @copyright{} 2008 Mateusz Loskot @email{mateusz@@loskot.net}} @* @w{Copyright @copyright{} 2014 Sree Harsha Totakura @email{sreeharsha@@totakura.in}} @* @w{Copyright @copyright{} 2018 Bastien Roucaries @email{rouca@@debian.org}}
Copying and distribution of this file, with or without modification, are
permitted in any medium without royalty provided the copyright notice
and this notice are preserved. This file is offered as-is, without any
warranty.
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