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lavu: test for broken binutils on ARM

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Some old gnu assemblers fail to assemble qdadd correctly
Ideally we should check this at build time, but better to
check at run time than mysteriously failing.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-12-15 20:46:33 +01:00
parent 305180f525
commit 9a697cfe71
1 changed files with 5 additions and 0 deletions
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5
libavutil/utils.c
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@ -35,6 +35,11 @@ unsigned avutil_version(void)
av_assert0(LIBAVUTIL_VERSION_MICRO >= 100);
av_assert0(HAVE_MMX2 == HAVE_MMXEXT);
if (av_sat_dadd32(1, 2) != 5) {
av_log(NULL, AV_LOG_FATAL, "Libavutil has been build with a broken binutils, please upgrade binutils and rebuild\n");
abort();
}
return LIBAVUTIL_VERSION_INT;
}