#! /bin/sh
patch -p1 -f $* < $0
exit $?

Prefer use of setjmp to use of getcontext.

--- gc/mach_dep.c~	2007-07-02 19:07:21.000000000 +0200
+++ gc/mach_dep.c	2008-02-29 15:13:39.000000000 +0100
@@ -174,7 +174,7 @@ void GC_with_callee_saves_pushed(void (*
 
 #   if defined(HAVE_PUSH_REGS)
       GC_push_regs();
-#   elif defined(UNIX_LIKE) && !defined(DARWIN) && !defined(ARM32)
+#   elif defined(UNIX_LIKE) && !defined(DARWIN) && !defined(ARM32) && !defined(HURD)
       /* Older versions of Darwin seem to lack getcontext(). */
       /* ARM Linux often doesn't support a real getcontext(). */
       ucontext_t ctxt;