[FFmpeg-devel] [PATCH 1/2] avutil/common: error out with clear message if __STDC_CONSTANT_MACROS is not defined with c++

[Michael Niedermayer]

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
---
 libavutil/common.h |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libavutil/common.h b/libavutil/common.h
index b1203ad..e487218 100644
--- a/libavutil/common.h
+++ b/libavutil/common.h
@@ -26,6 +26,10 @@
 #ifndef AVUTIL_COMMON_H
 #define AVUTIL_COMMON_H
 
+#if defined(__cplusplus) && !defined(__STDC_CONSTANT_MACROS) && !defined(UINT64_C)
+#error missing -D__STDC_CONSTANT_MACROS / #define __STDC_CONSTANT_MACROS
+#endif
+
 #include <errno.h>
 #include <inttypes.h>
 #include <limits.h>
-- 
1.7.9.5