diff -rupN gmp-5.0.2.orig/configfsf.sub gmp-5.0.2/configfsf.sub
--- gmp-5.0.2.orig/configfsf.sub	2011-09-20 02:48:37.224034311 -0400
+++ gmp-5.0.2/configfsf.sub	2011-09-20 02:53:08.140695606 -0400
@@ -4,7 +4,7 @@
 #   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
 #   2011 Free Software Foundation, Inc.
 
-timestamp='2011-03-23'
+timestamp='2011-09-20'
 
 # This file is (in principle) common to ALL GNU software.
 # The presence of a machine in this file suggests that SOME GNU software
@@ -1327,6 +1327,7 @@ case $os in
 	      | -sym* | -kopensolaris* \
 	      | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
 	      | -aos* | -aros* \
+        | -xomb* \
 	      | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
 	      | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
 	      | -hiux* | -386bsd* | -knetbsd* | -mirbsd* | -netbsd* \