Index: libcpp/configure.ac
===================================================================
--- libcpp/configure.ac	(revision 116758)
+++ libcpp/configure.ac	(working copy)
@@ -118,6 +118,7 @@ case $target in
 	x86_64-*-* | \
 	ia64-*-* | \
 	hppa*64*-*-* | parisc*64*-*-* | \
+	i[34567]86-*-darwin[0-9]* | \
 	i[34567]86-*-solaris2.1[0-9]* | \
 	mips*-*-* | \
 	mmix-*-* | \
