diff --git a/configure.in b/configure.ac
rename from configure.in
rename to configure.ac
--- a/configure.in
+++ b/configure.ac
@@ -215,13 +215,17 @@
 AC_CHECK_LIB(pthread, main,,AC_MSG_ERROR(Sagan needs pthreads!))
 AC_CHECK_LIB(m, main,,AC_MSG_ERROR(Sagan needs libm!))
 
+save_LIBS=$LIBS
 if test "$MYSQL" = "yes"; then
 	AC_MSG_RESULT([------- MySQL support is enabled -------])
+	AC_CHECK_PROGS(MYSQL_CONFIG, mysql_config)
 	AC_CHECK_HEADER([mysql/mysql.h])
 	AC_CHECK_HEADER([mysql/errmsg.h])
-	AC_CHECK_LIB(mysqlclient_r, main,,AC_MSG_ERROR(The MySQL library libmysqlclient_r is missing!
-If you're not interested in MySQL support use the --disable-mysql flag.))
-	fi
+	LIBS=$(mysql_config --libs)
+	AC_CHECK_LIB(mysqlclient, main,,AC_MSG_ERROR(The MySQL library libmysqlclient is missing!))
+fi
+LIBS="$save_LIBS $LIBS"
+
 
 if test "$POSTGRES" = "yes"; then
        AC_MSG_RESULT([------- PostgreSQL support is enabled -------])