diff -up gmp-4.2.2/gmp-h.in.pom gmp-4.2.2/gmp-h.in
--- gmp-4.2.2/gmp-h.in.pom	2007-09-03 18:05:40.000000000 +0200
+++ gmp-4.2.2/gmp-h.in	2008-02-13 09:53:48.000000000 +0100
@@ -22,6 +22,7 @@ along with the GNU MP Library.  If not, 
 
 #if defined (__cplusplus)
 #include <iosfwd>   /* for std::istream, std::ostream, std::string */
+#include <cstdio>
 #endif