On 12/28/2016 8:17 PM, Moritz Barsnick wrote: > On Tue, Dec 27, 2016 at 21:55:42 -0300, James Almer wrote: >> ICC stdatomic.h implementation seems to be incomplete or broken, >> missing the ATOMIC_VAR_INIT() macro. >> >> Should fix ticket #6049 > > Your patch works for me with ICC 14.0.3. I'm the reporter of #6049. > > But see this: > https://software.intel.com/en-us/articles/c11-support-in-intel-c-compiler > > ICC may have the stdatomic.h header and have some of the features, but > doesn't actually advertise them (__STDC_VERSION__) before their > (somewhat) complete implementation in ICC 16. Same situation with gcc > before 4.7, I guess. Perhaps the check for __STDC_VERSION__ == 201112L > would "guarantee" the proper availability of atomics (would need to be > verified on all sorts of compilers), but I guess your check for the > actually used features is more to the point. Is that check complete > though? > > Moritz
Such check already exists, but apparently is not thorough enough. Could you test Michael's "[PATCH] configure: Check build with some header not just preprocessing for testing --std=c11" to see if it also fixes this ticket? If so, this patch can be dropped. _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
