diff -r 5711f9422329 -r 7ff8acac5142 config/cc/gcc.in
--- a/config/cc/gcc.in	Thu Jul 28 21:55:20 2011 +0200
+++ b/config/cc/gcc.in	Mon Oct 10 00:00:58 2011 +0200
@@ -356,3 +356,7 @@
     default y
     depends on CC_LANG_JAVA
     depends on CC_GCC_4_3_or_later
+
+# Fortran always requires GMP+MPFR, whatever the gcc version
+config CC_LANG_FORTRAN
+    select CC_GCC_USE_GMP_MPFR