avutil/utils: check and warn about llrint() brokenness

Such broken llrint() exist for example on netbsd

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-06-07 02:25:34 +02:00
parent c4f932f4d7
commit 1ba196a10d
1 changed files with 4 additions and 0 deletions

View File

@ -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;