2011-05-02  Paul Smith  <psmith@gnu.org>

	* make.h: Make global variable stack_limit extern.
	Fixes Savannah bug #32753.

--- a/make.h
+++ b/make.h
@@ -353,7 +353,7 @@ extern int unixy_shell;
 #endif
 #ifdef SET_STACK_SIZE
 # include <sys/resource.h>
-struct rlimit stack_limit;
+extern struct rlimit stack_limit;
 #endif
 
 struct floc