It would appear that ICC 12.0.4 doesnt have a definition of the tzcnt intrinsics which brakes compilation. Current FATE tests show that atleast version 12.1.6 has the required intrinsic however im not certain at what version number it was introduced (I could not find any relevant info in the intel release logs). So to enable compilation again Ive just disabled the intrinsics on anything older than the confirmed working version. I dont have access to anything older than version 13 so cant test this but hopefully it should still serve as a quick fix for icc 12.0.4 compilation. Anyone with access to ICC version 12 is welcome to comment.
PS Sorry for the delay creating a fix.
0001-avutil-x86-intmath-Disable-use-of-tzcnt-on-older-int.patch
Description: Binary data
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