--- src/cppstring.cc.orig	2019-04-05 11:08:03 UTC

+++ src/cppstring.cc

@@ -4,6 +4,7 @@

 #include "cppstring.hh"

 #include "idefs.h"

 #include <iostream>

+#include <stdarg.h>

 // #include <except.h>

 #define DEF_BUFFER_SIZE     512

 #define CPPSTRING_ERROR(obj,msg,retval) {obj<<"*** ERROR *** : "<<msg<<std::endl;return retval;}