[FFmpeg-devel] [PATCH] avutil/utils: check and warn about llrint() brokenness
Michael Niedermayer
michaelni at gmx.at
Fri Jun 7 02:45:21 CEST 2013
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
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