[FFmpeg-devel] FATE failure on mingw gcc-4.2.4

Frank Barchard fbarchard
Fri Mar 12 11:36:49 CET 2010


On Thu, Mar 11, 2010 at 6:14 PM, M?ns Rullg?rd <mans at mansr.com> wrote:

> Ramiro Polla <ramiro.polla at gmail.com> writes:
>
> > 2010/3/11 M?ns Rullg?rd <mans at mansr.com>:
> >> Ramiro Polla <ramiro.polla at gmail.com> writes:
> >>> Should we document that users should
> >>>
> >>> -#if !defined _MT
> >>> +#if 0
> >>>
> >>> when using mingw gcc 4.2?
> >
> > I did this in the FATE box to keep the builds working.
> >
> >> If they refuse to fix their headers, I'll consider adding a check to
> >> see if that flag is safe with system headers.
>
>
Is this the same issue?

    /Developer/usr/bin/gcc-4.2 -arch i386 -dynamiclib -isysroot
/Developer/SDKs/MacOSX10.5.sdk
-L/b/slave/mac/build/src/third_party/ffmpeg/../../xcodebuild/Debug
-L/b/slave/mac/build/src/third_party/ffmpeg/../../xcodebuild/DerivedSources/Debug/third_party/ffmpeg
-F/b/slave/mac/build/src/third_party/ffmpeg/../../xcodebuild/Debug -filelist
/b/slave/mac/build/src/third_party/ffmpeg/../../xcodebuild/ffmpeg.build/Debug/ffmpegsumo.build/Objects-normal/i386/ffmpegsumo.LinkFileList
-install_name @loader_path/libffmpegsumo.dylib -mmacosx-version-min=10.5
-Wl,-read_only_relocs,suppress -Wl,-search_paths_first -lffmpegasm -lz
-Wl,-single_module -compatibility_version 1 -current_version 1 -o
/b/slave/mac/build/src/third_party/ffmpeg/../../xcodebuild/Debug/libffmpegsumo.dylib
Undefined symbols:
  "sqrt2", referenced from:
      _ff_idct_xvid_sse2 in idct_sse2_xvid.o
      _ff_idct_xvid_sse2_add in idct_sse2_xvid.o
  "ff_pw_3", referenced from:
      _put_mpeg4_qpel16_h_lowpass_mmx2 in dsputil_mmx.o
etc



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