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dnl -*- Autoconf -*-
##### http://autoconf-archive.cryp.to/ax_lib_mysql.html
#
# SYNOPSIS
#
# AX_LIB_MYSQL([MINIMUM-VERSION])
#
# DESCRIPTION
#
# This macro provides tests of availability of MySQL 'libmysqlclient'
# library of particular version or newer.
#
# AX_LIB_MYSQL macro takes only one argument which is optional.
# If there is no required version passed, then macro does not run
# version test.
#
# The --with-mysql option takes one of three possible values:
#
# no - do not check for MySQL client library
#
# yes - do check for MySQL library in standard locations
# (mysql_config should be in the PATH)
#
# path - complete path to mysql_config utility, use this option if
# mysql_config can't be found in the PATH
#
# This macro calls:
#
# AC_SUBST([MYSQL_CFLAGS])
# AC_SUBST([MYSQL_CPPFLAGS])
# AC_SUBST([MYSQL_LDFLAGS])
# AC_SUBST([MYSQL_VERSION])
#
# And sets:
#
# HAVE_MYSQL
#
# LAST MODIFICATION
#
# 2006-07-16
# 2007-01-09 MKS: mysql_config --cflags may set gcc -fomit-frame-pointers,
# which prevents gdb from displaying stack traces.
# Changed mysql_config --cflags to mysql_config --include
# 2009-09-23 AJB: Checking for availability of both, include files and
# library files.
# 2010-06-14 MKS: Added MYSQL_CPPFLAGS
# 2011-08-01 MKS: 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_MYSQL],
[
MYSQL_CFLAGS=""
MYSQL_CPPFLAGS=""
MYSQL_LDFLAGS=""
MYSQL_CONFIG=""
MYSQL_VERSION=""
AC_ARG_WITH([mysql],
[AS_HELP_STRING([--with-mysql@<:@=ARG@:>@],
[use MySQL client library @<:@default=yes@:>@, optionally specify path to mysql_config])],
[
AS_IF([test "x${withval}" = "xno"],
[want_mysql="no"],
[test "x${withval}" = "xyes"],
[want_mysql="yes"],
[
want_mysql="yes"
MYSQL_CONFIG="${withval}"
])
],
[want_mysql="yes"])
dnl
dnl Check MySQL libraries (libmysqlclient)
dnl
AS_IF([test "x${want_mysql}" = "xyes"],
[
AS_IF([test -z "${MYSQL_CONFIG}" -o test],
[AC_PATH_PROG([MYSQL_CONFIG], [mysql_config], [no])])
AS_IF([test "x${MYSQL_CONFIG}" != "xno"],
[
AC_MSG_CHECKING([for MySQL libraries])
MYSQL_CFLAGS="`${MYSQL_CONFIG} --cflags`"
MYSQL_CPPFLAGS="`${MYSQL_CONFIG} --include`"
MYSQL_LDFLAGS="`${MYSQL_CONFIG} --libs`"
MYSQL_VERSION=`${MYSQL_CONFIG} --version`
dnl It isn't enough to just test for mysql_config as Fedora
dnl provides it in the mysql RPM even though mysql-devel may
dnl not be installed
EMBCPPFLAGS="${CPPFLAGS}"
EMBLIBS="${LIBS}"
CPPFLAGS="${MYSQL_CPPFLAGS} ${EMBCPPFLAGS}"
LIBS="${MYSQL_LDFLAGS} ${EMBLIBS}"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>
#include "mysql.h"]],
[[mysql_info(NULL)]])],
[havemysql="yes"],
[havemysql="no"])
CPPFLAGS="${EMBCPPFLAGS}"
LIBS="${EMBLIBS}"
AS_IF([test "x${havemysql}" = "xyes"],
[
AC_DEFINE([HAVE_MYSQL], [1],
[Define to 1 if MySQL libraries are available.])
found_mysql="yes"
AC_MSG_RESULT([yes])
],
[
MYSQL_CFLAGS=""
MYSQL_CPPFLAGS=""
MYSQL_LDFLAGS=""
found_mysql="no"
AC_MSG_RESULT([no])
])
],
[
found_mysql="no"
])
])
dnl
dnl Check if required version of MySQL is available
dnl
mysql_version_req=ifelse([$1], [], [], [$1])
AS_IF([test "x${found_mysql}" = "xyes" -a -n "${mysql_version_req}"],
[
AC_MSG_CHECKING([if MySQL version is >= ${mysql_version_req}])
dnl Decompose required version string of MySQL
dnl and calculate its number representation
mysql_version_req_major=`expr ${mysql_version_req} : '\([[0-9]]*\)'`
mysql_version_req_minor=`expr ${mysql_version_req} : '[[0-9]]*\.\([[0-9]]*\)'`
mysql_version_req_micro=`expr ${mysql_version_req} : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'`
AS_IF([test "x${mysql_version_req_micro}" = "x"],
[mysql_version_req_micro="0"])
mysql_version_req_number=`expr ${mysql_version_req_major} \* 1000000 \
\+ ${mysql_version_req_minor} \* 1000 \
\+ ${mysql_version_req_micro}`
dnl Decompose version string of installed MySQL
dnl and calculate its number representation
mysql_version_major=`expr ${MYSQL_VERSION} : '\([[0-9]]*\)'`
mysql_version_minor=`expr ${MYSQL_VERSION} : '[[0-9]]*\.\([[0-9]]*\)'`
mysql_version_micro=`expr ${MYSQL_VERSION} : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'`
AS_IF([test "x${mysql_version_micro}" = "x"],
[mysql_version_micro="0"])
mysql_version_number=`expr ${mysql_version_major} \* 1000000 \
\+ ${mysql_version_minor} \* 1000 \
\+ ${mysql_version_micro}`
mysql_version_check=`expr ${mysql_version_number} \>\= ${mysql_version_req_number}`
AS_IF([test "x${mysql_version_check}" = "x1"],
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])])
])
AC_SUBST([MYSQL_CFLAGS])
AC_SUBST([MYSQL_CPPFLAGS])
AC_SUBST([MYSQL_LDFLAGS])
AC_SUBST([MYSQL_VERSION])
])
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