*** gc/gc-7.1/mach_dep.c.orig	2009-11-08 19:05:00.000000000 -0600
--- gc/gc-7.1/mach_dep.c	2009-11-08 19:05:08.000000000 -0600
***************
*** 161,165 ****
  
  #if !defined(HAVE_PUSH_REGS) && defined(UNIX_LIKE)
! # include <ucontext.h>
  #endif
  
--- 161,165 ----
  
  #if !defined(HAVE_PUSH_REGS) && defined(UNIX_LIKE)
! # include <sys/ucontext.h>
  #endif