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dnl -*- Autoconf -*-
##### http://autoconf-archive.cryp.to/ax_lib_postgresql.html
#
# SYNOPSIS
#
# AX_LIB_POSTGRESQL([MINIMUM-VERSION])
#
# 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
#
# This macro calls:
#
# AC_SUBST([POSTGRESQL_CFLAGS])
# AC_SUBST([POSTGRESQL_CPPFLAGS])
# AC_SUBST([POSTGRESQL_LDFLAGS])
# AC_SUBST([POSTGRESQL_VERSION])
#
# And sets:
#
# HAVE_POSTGRESQL
#
# LAST MODIFICATION
#
# 2006-07-16
# 2010-05-14 MKS: Added POSTGRESQL_CPPFLAGS
# 2011-06-21 AJB: Added workaround for Fedora pg_config oddity
# 2011-08-01 MKS: Changed PG_CONFIG to POSTGRESQL_CONFIG
# Made test constructs more portable
#
# COPYLEFT
#
# Copyright (c) 2006 Mateusz Loskot <mateusz@loskot.net>
#
# 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.
AC_DEFUN([AX_LIB_POSTGRESQL],
[
POSTGRESQL_CFLAGS=""
POSTGRESQL_CPPFLAGS=""
POSTGRESQL_LDFLAGS=""
POSTGRESQL_CONFIG=""
POSTGRESQL_VERSION=""
AC_ARG_WITH([postgresql],
[AS_HELP_STRING([--with-postgresql@<:=@ARG@:>@],
[use PostgreSQL library @<:@default=yes@:>@, optionally specify path to pg_config])],
[
AS_IF([test "x${withval}" = "xno"],
[want_postgresql="no"],
[test "x${withval}" = "xyes"],
[want_postgresql="yes"],
[
want_postgresql="yes"
POSTGRESQL_CONFIG="${withval}"
])
],
[want_postgresql="yes"])
dnl
dnl Check PostgreSQL libraries (libpq)
dnl
AS_IF([test "x${want_postgresql}" = "xyes"],
[
AS_IF([test -z "${POSTGRESQL_CONFIG}" -o test],
[AC_PATH_PROG([POSTGRESQL_CONFIG], [pg_config], [no])])
AS_IF([test "x${POSTGRESQL_CONFIG}" != "xno"],
[
AC_MSG_CHECKING([for PostgreSQL libraries])
POSTGRESQL_CFLAGS="-I`${POSTGRESQL_CONFIG} --includedir`"
POSTGRESQL_CPPFLAGS="-I`${POSTGRESQL_CONFIG} --includedir`"
POSTGRESQL_LDFLAGS="-L`${POSTGRESQL_CONFIG} --libdir` -lpq"
POSTGRESQL_VERSION=`${POSTGRESQL_CONFIG} --version | sed -e 's#PostgreSQL ##'`
dnl It isn't enough to just test for pg_config as Fedora
dnl provides it in the postgresql RPM even though postgresql-devel may
dnl not be installed
EMBCPPFLAGS="${CPPFLAGS}"
EMBLIBS="${LIBS}"
CPPFLAGS="${POSTGRESQL_CPPFLAGS} ${EMBCPPFLAGS}"
LIBS="${POSTGRESQL_LDFLAGS} ${EMBLIBS}"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>
#include "libpq-fe.h"]],
[[PQconnectdb(NULL)]])],
[havepostgresql="yes"],
[havepostgresql="no"])
CPPFLAGS="${EMBCPPFLAGS}"
LIBS="${EMBLIBS}"
AS_IF([test "x${havepostgresql}" = "xyes"],
[
AC_DEFINE([HAVE_POSTGRESQL], [1],
[Define to 1 if PostgreSQL libraries are available.])
found_postgresql="yes"
AC_MSG_RESULT([yes])
],
[
POSTGRESQL_CFLAGS=""
POSTGRESQL_CPPFLAGS=""
POSTGRESQL_LDFLAGS=""
found_postgresql="no"
AC_MSG_RESULT([no])
])
],
[
found_postgresql="no"
])
])
dnl
dnl Check if required version of PostgreSQL is available
dnl
postgresql_version_req=ifelse([$1], [], [], [$1])
AS_IF([test "x${found_postgresql}" = "xyes" -a -n "${postgresql_version_req}"],
[
AC_MSG_CHECKING([if PostgreSQL version is >= ${postgresql_version_req}])
dnl Decompose required version string of PostgreSQL
dnl and calculate its number representation
postgresql_version_req_major=`expr ${postgresql_version_req} : '\([[0-9]]*\)'`
postgresql_version_req_minor=`expr ${postgresql_version_req} : '[[0-9]]*\.\([[0-9]]*\)'`
postgresql_version_req_micro=`expr ${postgresql_version_req} : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'`
AS_IF([test "x${postgresql_version_req_micro}" = "x"],
[postgresql_version_req_micro="0"])
postgresql_version_req_number=`expr ${postgresql_version_req_major} \* 1000000 \
\+ ${postgresql_version_req_minor} \* 1000 \
\+ ${postgresql_version_req_micro}`
dnl Decompose version string of installed PostgreSQL
dnl and calculate its number representation
postgresql_version_major=`expr ${POSTGRESQL_VERSION} : '\([[0-9]]*\)'`
postgresql_version_minor=`expr ${POSTGRESQL_VERSION} : '[[0-9]]*\.\([[0-9]]*\)'`
postgresql_version_micro=`expr ${POSTGRESQL_VERSION} : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'`
AS_IF([test "x${postgresql_version_micro}" = "x"],
[postgresql_version_micro="0"])
postgresql_version_number=`expr ${postgresql_version_major} \* 1000000 \
\+ ${postgresql_version_minor} \* 1000 \
\+ ${postgresql_version_micro}`
postgresql_version_check=`expr ${postgresql_version_number} \>\= ${postgresql_version_req_number}`
AS_IF([test "x${postgresql_version_check}" = "x1"],
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])])
])
AC_SUBST([POSTGRESQL_CFLAGS])
AC_SUBST([POSTGRESQL_CPPFLAGS])
AC_SUBST([POSTGRESQL_LDFLAGS])
AC_SUBST([POSTGRESQL_VERSION])
])
|
