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Yasm was fixed in its r2161 and yasm 0.8.0 (Apr 2010) contained this fix. Nasm was fixed in 2.06 (Jun 2009): https://groups.google.com/group/alt.lang.asm/browse_thread/thread/fcc85bbc3745d893 I tested with yasm 0.7.99 and yasm 1.2.0.7, where this works fine. I also tested with nasm. The nasm shipping with Xcode is too old to understand ffmpeg's assembly, before and after the patch. Nasm 2.10 fails to compile fft_mmx.asm on trunk with libavcodec/x86/fft_mmx.asm:88: panic: section ".text" has already been specified with alignment 32, conflicts with new alignment of 16 but builds fine if I change the two alignment "16"s in x86inc.asm to "32". With this patch, nasm 2.10 fails with libavcodec/x86/fft_mmx.asm:39: panic: section ".rodata" has already been specified with alignment 32, conflicts with new alignment of 16 instead, but again builds fine with s/16/32/. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
FFmpeg README ------------- 1) Documentation ---------------- * Read the documentation in the doc/ directory in git. You can also view it online at http://ffmpeg.org/documentation.html 2) Licensing ------------ * See the LICENSE file. 3) Build and Install -------------------- * See the INSTALL file.