AC_INIT(sql_mysql.c)
AC_REVISION($Revision: 1.6 $)
AC_DEFUN(modname,[rlm_sql_mysql])

AC_PROG_CC
AC_PROG_CPP

AC_ARG_WITH(mysql-include-dir,
[  --with-mysql-include-dir=DIR       Directory where the MySQL includes may be found ],
[ mysql_include_dir="$withval" ]
)

AC_ARG_WITH(mysql-lib-dir,
[  --with-mysql-lib-dir=DIR       Directory where the MySQL libraries may be found ],
[ mysql_lib_dir="$withval" ]
)

AC_ARG_WITH(mysql-dir,
[  --with-mysql-dir=DIR       Base directory where MySQL is installed ],
[ mysql_lib_dir="$withval/lib/mysql"
  mysql_include_dir="$withval/include"
]
)

if test x$with_[]modname != xno; then

	targetname=modname   # we might change this later.

	AC_CHECK_LIB(z, compress, LIBS="$LIBS -lz")

	AC_MSG_CHECKING([for mysql/mysql.h])

	AC_TRY_COMPILE([#include <mysql/mysql.h>], [int a = 1;],
		MYSQL_INCLUDE=" ",
		MYSQL_INCLUDE=
	)

	if test "x$MYSQL_INCLUDE" = "x"; then
		old_CFLAGS="$CFLAGS"

dnl		AC_LOCATE_DIR(mysql_include_dir,[mysql/mysql.h])

		for try in /usr/local/include /usr/local/mysql/include $mysql_include_dir; do
			CFLAGS="$old_CFLAGS -I$try"
			AC_TRY_COMPILE([#include <mysql/mysql.h>], [int a = 1;],
				MYSQL_INCLUDE="-I$try",
				MYSQL_INCLUDE=
			)
			if test "x$MYSQL_INCLUDE" != "x"; then
				break;
			fi
		done
		CFLAGS="$old_CFLAGS"
	fi

	if test "x$MYSQL_INCLUDE" = "x"; then
		AC_MSG_RESULT(no)
		AC_MSG_WARN([mysql headers not found.  Use --with-mysql-include-dir=<path>.])
		targetname=   # disabled module
	else
		sql_mysql_cflags="${sql_mysql_cflags} ${MYSQL_INCLUDE}"
		AC_MSG_RESULT(yes)
		AC_DEFINE(HAVE_MYSQL_H)

  
		AC_MSG_CHECKING([for mysql_init in -lmysqlclient])

		old_LIBS="$LIBS"

dnl		AC_LOCATE_DIR(mysql_lib_dir,[libmysqlclient.so])
dnl		AC_LOCATE_DIR(mysql_lib_dir,[libmysqlclient.a])

		for try in /usr/lib /usr/lib/mysql /usr/local/lib/mysql /usr/local/mysql/lib/mysql $mysql_lib_dir; do
			LIBS="$old_LIBS -L$try -lmysqlclient"
			AC_TRY_LINK([extern char mysql_init();], [mysql_init()],
				MYSQL_LIBS="-L$try -lmysqlclient",
				MYSQL_LIBS=
			)
			if test "x$MYSQL_LIBS" != "x"; then
				break;
			fi
		done
		LIBS="$old_LIBS"

		dnl #  If one or the other isn't found, disable them both..
		dnl #  If both are found, enable them both.
		if test "x$MYSQL_LIBS" = "x"; then
			AC_MSG_RESULT(no)
			MYSQL_INCLUDE=
			AC_MSG_WARN([mysql libraries not found.  Use --with-mysql-lib-dir=<path>.])
			targetname=   # disabled module
		else
			AC_MSG_RESULT(yes) 
			sql_mysql_ldflags="$sql_mysql_ldflags $MYSQL_LIBS"
		fi
	fi

	sql_mysql_ldflags="$sql_mysql_ldflags $LIBS"

	if test "x$targetname" = "x"; then
		AC_MSG_WARN([sql submodule 'mysql' disabled])
	fi

else
	targetname=
	echo \*\*\* module modname is disabled.
fi

AC_SUBST(sql_mysql_ldflags)
AC_SUBST(sql_mysql_cflags)
AC_SUBST(targetname)
AC_OUTPUT(Makefile)