Taken from http://pkgs.fedoraproject.org/cgit/rpms/fcgi.git/plain/fcgi-2.4.0-gcc44_fixes.patch. Fixes compilation with GCC 4.4 and later. diff -up fcgi-2.4.0/libfcgi/fcgio.cpp.gcc44_fixes fcgi-2.4.0/libfcgi/fcgio.cpp --- fcgi-2.4.0/libfcgi/fcgio.cpp.gcc44_fixes 2002-02-24 21:12:22.000000000 +0100 +++ fcgi-2.4.0/libfcgi/fcgio.cpp 2009-02-15 11:35:18.000000000 +0100 @@ -23,6 +23,7 @@ #endif #include <limits.h> +#include <cstdio> #include "fcgio.h" using std::streambuf;