--- ddd/strclass.C 2014-05-29 20:30:26.494721840 +0200 +++ ddd/strclass.C 2014-05-29 20:30:10.492723038 +0200 @@ -39,6 +39,7 @@ extern "C" int malloc_verify(); #include <limits.h> #include <new> #include <stdlib.h> +#include <cstdio> void string::error(const char* msg) const {