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| -rw-r--r-- | m4/ax_lib_postgresql.m4 | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/m4/ax_lib_postgresql.m4 b/m4/ax_lib_postgresql.m4 new file mode 100644 index 000000000..e81c09962 --- /dev/null +++ b/m4/ax_lib_postgresql.m4 @@ -0,0 +1,156 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/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_CPPFLAGS) +# AC_SUBST(POSTGRESQL_LDFLAGS) +# AC_SUBST(POSTGRESQL_VERSION) +# +# And sets: +# +# HAVE_POSTGRESQL +# +# LICENSE +# +# Copyright (c) 2008 Mateusz Loskot <mateusz@loskot.net> +# Copyright (c) 2014 Sree Harsha Totakura <sreeharsha@totakura.in> +# +# 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. + +#serial 9 + +AC_DEFUN([AX_LIB_POSTGRESQL], +[ + AC_ARG_WITH([postgresql], + AS_HELP_STRING([--with-postgresql=@<:@ARG@:>@], + [use PostgreSQL library @<:@default=yes@:>@, optionally specify path to pg_config] + ), + [ + if test "$withval" = "no"; then + want_postgresql="no" + elif test "$withval" = "yes"; then + want_postgresql="yes" + else + want_postgresql="yes" + PG_CONFIG="$withval" + fi + ], + [want_postgresql="yes"] + ) + + POSTGRESQL_CPPFLAGS="" + POSTGRESQL_LDFLAGS="" + POSTGRESQL_VERSION="" + + dnl + dnl Check PostgreSQL libraries (libpq) + dnl + + if test "$want_postgresql" = "yes"; then + + if test -z "$PG_CONFIG" -o test; then + AC_PATH_PROG([PG_CONFIG], [pg_config], []) + fi + + if test ! -x "$PG_CONFIG"; then + AC_MSG_ERROR([$PG_CONFIG does not exist or it is not an exectuable file]) + PG_CONFIG="no" + found_postgresql="no" + fi + + if test "$PG_CONFIG" != "no"; then + AC_MSG_CHECKING([for PostgreSQL libraries]) + + POSTGRESQL_CPPFLAGS="-I`$PG_CONFIG --includedir`" + POSTGRESQL_LDFLAGS="-L`$PG_CONFIG --libdir`" + + POSTGRESQL_VERSION=`$PG_CONFIG --version | sed -e 's#PostgreSQL ##'` + + AC_DEFINE([HAVE_POSTGRESQL], [1], + [Define to 1 if PostgreSQL libraries are available]) + + found_postgresql="yes" + AC_MSG_RESULT([yes]) + else + found_postgresql="no" + AC_MSG_RESULT([no]) + fi + fi + + dnl + dnl Check if required version of PostgreSQL is available + dnl + + + postgresql_version_req=ifelse([$1], [], [], [$1]) + + if test "$found_postgresql" = "yes" -a -n "$postgresql_version_req"; then + + 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]]*\.\([[0-9]]*\)'` + if test "x$postgresql_version_req_micro" = "x"; then + postgresql_version_req_micro="0" + fi + + 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]]*\.\([[0-9]]*\)'` + if test "x$postgresql_version_micro" = "x"; then + postgresql_version_micro="0" + fi + + postgresql_version_number=`expr $postgresql_version_major \* 1000000 \ + \+ $postgresql_version_minor \* 1000 \ + \+ $postgresql_version_micro` + + postgresql_version_check=`expr $postgresql_version_number \>\= $postgresql_version_req_number` + if test "$postgresql_version_check" = "1"; then + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no]) + fi + fi + + AC_SUBST([POSTGRESQL_VERSION]) + AC_SUBST([POSTGRESQL_CPPFLAGS]) + AC_SUBST([POSTGRESQL_LDFLAGS]) +]) |