$OpenBSD: patch-w_intersect_c,v 1.3 2009/06/09 13:19:44 jasper Exp $
--- w_intersect.c.pat.orig	Tue Jun  9 15:12:38 2009
+++ w_intersect.c	Tue Jun  9 15:12:49 2009
@@ -26,7 +26,9 @@
 #include "w_msgpanel.h"
 #include "f_util.h"
 #include "u_quartic.h"
+#if !defined(__FreeBSD__) && !defined(__OpenBSD__)
 #include <alloca.h>
+#endif
 #include <math.h>
 #undef I