[FFmpeg-devel] [PATCH] libavcodec: fix building without asm

[Michael Bradshaw]

Hi,

Attached patch fixes building ffmpeg on OS X with the following
configuration: --disable-optimizations --disable-asm

Without this patch the following error is observed:

LD ffmpeg_g
Undefined symbols for architecture x86_64:
  "_ff_spatial_idwt_init_mmx", referenced from:
      _ff_spatial_idwt_init2 in libavcodec.a(dirac_dwt.o)
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see
invocation)
make: *** [ffmpeg_g] Error 1


This is with clang from Apple LLVM 7.0.2
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