--- gcc/ada/env.c.orig	2010-06-03 02:19:06.000000000 -0400
+++ gcc/ada/env.c	2010-09-28 11:05:55.000000000 -0400
@@ -167,6 +167,7 @@
   }
 
 #elif (defined (__vxworks) && defined (__RTP__)) || defined (__APPLE__)
+    || defined(__FreeBSD__)
   setenv (name, value, 1);
 
 #else
