Try to appease gcc in travis regarding printf format specifiers

10 years ago · eb7b33db2b
1 changed files with 3 additions and 0 deletions
--- a/io.h
+++ b/io.h
@ -23,6 +23,9 @@
 #include <stdint.h>
 #include <stdbool.h>
 #include <stdio.h>
+#ifdef __cplusplus
+#define __STDC_FORMAT_MACROS 1
+#endif
 #include <inttypes.h>
 #include "endian.h"
 #include "ethash.h"