diff -r 3396ce2c25ef -r 91a52bc04af9 config/cc/gcc.in.2
--- a/config/cc/gcc.in.2	Mon Apr 30 17:24:58 2012 +0200
+++ b/config/cc/gcc.in.2	Sun Nov 11 21:42:47 2012 +0100
@@ -152,6 +152,17 @@
       
       The default is 'N'. Say 'Y' if you need it, and report success/failure.
 
+config CC_GCC_LIBQUADMATH
+    bool
+    prompt "Compile libquadmath"
+    depends on CC_GCC_HAS_LIBQUADMATH
+    help
+      libquadmath is a library which provides quad-precision mathematical
+      functions on targets supporting the __float128 datatype. See:
+        http://gcc.gnu.org/onlinedocs/libquadmath/
+      
+      The default is 'N'. Say 'Y' if you need it, and report success/failure.
+
 #-----------------------------------------------------------------------------
 
 comment "Misc. obscure options."