define __STDC_FORMAT_MACROS

tests/cksum_verify.c

@@ -2,6 +2,10 @@
 #include "config.h"
 #endif
 
+#ifndef __STDC_FORMAT_MACROS
+#define __STDC_FORMAT_MACROS
+#endif
+
 #include <inttypes.h>
 #include <stdio.h>
 #include <stdlib.h>