Mercurial > repos > ktnyt > gembassy
diff GEMBASSY-1.0.3/m4/postgresql.m4 @ 0:8300eb051bea draft
Initial upload
| author | ktnyt |
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| date | Fri, 26 Jun 2015 05:19:29 -0400 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/GEMBASSY-1.0.3/m4/postgresql.m4 Fri Jun 26 05:19:29 2015 -0400 @@ -0,0 +1,184 @@ +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="${CPPFLAGS}" + EMBLDFLAGS="${LDFLAGS}" + + CPPFLAGS="${POSTGRESQL_CPPFLAGS} ${EMBCPPFLAGS}" + LDFLAGS="${POSTGRESQL_LDFLAGS} ${EMBLDFLAGS}" + + AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h> + #include "libpq-fe.h"]], + [[PQconnectdb(NULL)]])], + [havepostgresql="yes"], + [havepostgresql="no"]) + + CPPFLAGS="${EMBCPPFLAGS}" + LDFLAGS="${EMBLDFLAGS}" + + AS_IF([test "x${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]) +])