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# ===========================================================================
# https://www.gnu.org/software/autoconf-archive/ax_lib_mysql.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_LIB_MYSQL([MINIMUM-VERSION])
#
# DESCRIPTION
#
# This macro provides tests of availability of MySQL client 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.
#
# This is a short and adapted version of the original macro.
#
# LICENSE
#
# Copyright (c) 2008 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. This file is offered as-is, without any
# warranty.
#serial 13
AC_DEFUN([AX_LIB_MYSQL],
[
if test "$MYSQL_CONFIG" != "no"; then
MYSQL_VERSION=`$MYSQL_CONFIG --version`
found_mysql="yes"
else
found_mysql="no"
fi
dnl
dnl Check if required version of MySQL is available
dnl
mysql_version_req=ifelse([$1], [], [], [$1])
if test "$found_mysql" = "yes" -a -n "$mysql_version_req"; then
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]]*\.\([[0-9]]*\)'`
if test "x$mysql_version_req_micro" = "x"; then
mysql_version_req_micro="0"
fi
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]]*\.\([[0-9]]*\)'`
if test "x$mysql_version_micro" = "x"; then
mysql_version_micro="0"
fi
mysql_version_number=`expr $mysql_version_major \* 1000000 \
\+ $mysql_version_minor \* 1000 \
\+ $mysql_version_micro`
mysql_version_check=`expr $mysql_version_number \>\= $mysql_version_req_number`
if test "$mysql_version_check" = "1"; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
fi
fi
AC_SUBST([MYSQL_VERSION])
])