On Friday, February 5, 2016, Hendrik Leppkes <h.lepp...@gmail.com> wrote:
> On Fri, Feb 5, 2016 at 9:33 PM, Michael Bradshaw <mjbs...@gmail.com > <javascript:;>> wrote: > > 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 > > > > > > Clang fails to figure out that if (x && 0) is dead code? Oh my. Well, this is with --disable-optimizations so the lack of dead code optimization here shouldn't be surprising. I'm actually surprised it even works at all with optimizations turned off. On a separate note, I just realized that patch has a spurious new line. I can send a new patch if that bugs anyone. _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
