[FFmpeg-devel] [PATCH] avutil/utils: check and warn about llrint() brokenness

[Michael Niedermayer]

Such broken llrint() exist for example on netbsd

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

diff --git a/libavutil/utils.c b/libavutil/utils.c
index c157aa8..2159d1c 100644
--- a/libavutil/utils.c
+++ b/libavutil/utils.c
@@ -45,6 +45,10 @@ unsigned avutil_version(void)
         abort();
     }
 
+    if (llrint(1LL<<60) != 1LL<<60) {
+        av_log(NULL, AV_LOG_ERROR, "Libavutil has been linked to a broken llrint()\n");
+    }
+
     ff_check_pixfmt_descriptors();
     checks_done = 1;
     return LIBAVUTIL_VERSION_INT;
-- 
1.7.9.5