$OpenBSD: patch-gcc_ada_env_c,v 1.1.1.1 2009/06/22 22:37:32 sthen Exp $
--- gcc/ada/env.c.orig	Wed Jul 11 22:32:42 2007
+++ gcc/ada/env.c	Mon Jun 22 00:57:07 2009
@@ -288,7 +288,8 @@ void __gnat_clearenv (void) {
     index++;
   }
 #elif defined (__MINGW32__) || defined (__FreeBSD__) || defined (__APPLE__) \
-   || (defined (__vxworks) && defined (__RTP__)) || defined (__CYGWIN__)
+   || (defined (__vxworks) && defined (__RTP__)) || defined (__CYGWIN__) \
+   || defined(__OpenBSD__)
   /* On Windows, FreeBSD and MacOS there is no function to clean all the
      environment but there is a "clean" way to unset a variable. So go
      through the environ table and call __gnat_unsetenv on all entries */