--- /dev/null
+Index: mysql-5.1.40/config/ac-macros/misc.m4
+===================================================================
+--- mysql-5.1.40.orig/config/ac-macros/misc.m4
++++ mysql-5.1.40/config/ac-macros/misc.m4
+@@ -476,7 +476,7 @@ AC_DEFUN([MYSQL_STACK_DIRECTION],
+ {
+ exit (find_stack_direction() < 0);
+ }], ac_cv_c_stack_direction=1, ac_cv_c_stack_direction=-1,
+- ac_cv_c_stack_direction=)])
++ ac_cv_c_stack_direction=0)])
+ AC_DEFINE_UNQUOTED(STACK_DIRECTION, $ac_cv_c_stack_direction)
+ ])dnl
+