diff -Naurp gmp-4.2.2-orig/gmp-h.in gmp-4.2.2/gmp-h.in
--- gmp-4.2.2-orig/gmp-h.in	2007-09-03 10:05:40.000000000 -0600
+++ gmp-4.2.2/gmp-h.in	2008-07-07 16:32:50.000000000 -0600
@@ -517,6 +517,7 @@ typedef __mpq_struct *mpq_ptr;
 #if defined (__cplusplus)
 extern "C" {
 #ifdef _GMP_H_HAVE_FILE
+#include <cstdio>
 using std::FILE;
 #endif
 #endif