ar rc libx264.a common/mc.o common/predict.o common/pixel.o common/macroblock.o common/frame.o common/dct.o common/cpu.o common/cabac.o common/common.o common/osdep.o common/rectangle.o common/set.o common/quant.o common/deblock.o common/vlc.o common/mvpred.o common/bitstream.o encoder/analyse.o encoder/me.o encoder/ratecontrol.o encoder/set.o encoder/macroblock.o encoder/cabac.o encoder/cavlc.o encoder/encoder.o encoder/lookahead.o common/threadpool.o
/Developer/usr/bin/clang -o libx264.118.dylib common/mc.o common/predict.o common/pixel.o common/macroblock.o common/frame.o common/dct.o common/cpu.o common/cabac.o common/common.o common/osdep.o common/rectangle.o common/set.o common/quant.o common/deblock.o common/vlc.o common/mvpred.o common/bitstream.o encoder/analyse.o encoder/me.o encoder/ratecontrol.o encoder/set.o encoder/macroblock.o encoder/cabac.o encoder/cavlc.o encoder/encoder.o encoder/lookahead.o common/threadpool.o   -shared -dynamiclib -Wl,-single_module -Wl,-read_only_relocs,suppress -install_name /opt/local/lib/libx264.118.dylib -L/opt/local/lib -arch x86_64 -arch x86_64 -lm -arch x86_64 -lpthread
ld: warning: -read_only_relocs cannot be used with x86_64
ranlib libx264.a
/Developer/usr/bin/clang -o x264 x264.o input/input.o input/timecode.o input/raw.o input/y4m.o output/raw.o output/matroska.o output/matroska_ebml.o output/flv.o output/flv_bytestream.o filters/filters.o filters/video/video.o filters/video/source.o filters/video/internal.o filters/video/resize.o filters/video/cache.o filters/video/fix_vfr_pts.o filters/video/select_every.o filters/video/crop.o filters/video/depth.o input/thread.o input/lavf.o libx264.a -L. -lavformat -lpostproc -lavcodec -lswscale -lavutil -lm -lz -lbz2 -lpthread -lswscale -lavutil  -L/opt/local/lib -arch x86_64 -arch x86_64 -lm -arch x86_64 -lpthread
Undefined symbols for architecture x86_64:
  "_kCFAllocatorDefault", referenced from:
      _vda_dictionary_with_pts in libavcodec.a(vda.o)
      _ff_vda_create_decoder in libavcodec.a(vda.o)
      _ff_vda_decoder_decode in libavcodec.a(vda.o)
  "_CFNumberCreate", referenced from:
      _vda_dictionary_with_pts in libavcodec.a(vda.o)
      _ff_vda_create_decoder in libavcodec.a(vda.o)
  "_kCFTypeDictionaryKeyCallBacks", referenced from:
      _vda_dictionary_with_pts in libavcodec.a(vda.o)
      _ff_vda_create_decoder in libavcodec.a(vda.o)
  "_kCFTypeDictionaryValueCallBacks", referenced from:
      _vda_dictionary_with_pts in libavcodec.a(vda.o)
      _ff_vda_create_decoder in libavcodec.a(vda.o)
  "_CFDictionaryCreate", referenced from:
      _vda_dictionary_with_pts in libavcodec.a(vda.o)
  "_CFRelease", referenced from:
      _vda_dictionary_with_pts in libavcodec.a(vda.o)
      _ff_vda_create_decoder in libavcodec.a(vda.o)
      _ff_vda_decoder_decode in libavcodec.a(vda.o)
  "_CFDictionaryGetValue", referenced from:
      _vda_pts_from_dictionary in libavcodec.a(vda.o)
  "_CFNumberGetValue", referenced from:
      _vda_pts_from_dictionary in libavcodec.a(vda.o)
  "_CVPixelBufferGetPixelFormatType", referenced from:
      _vda_decoder_callback in libavcodec.a(vda.o)
  "_CVPixelBufferRetain", referenced from:
      _vda_decoder_callback in libavcodec.a(vda.o)
  "_CFDictionaryCreateMutable", referenced from:
      _ff_vda_create_decoder in libavcodec.a(vda.o)
  "_CFDataCreate", referenced from:
      _ff_vda_create_decoder in libavcodec.a(vda.o)
      _ff_vda_decoder_decode in libavcodec.a(vda.o)
  "_kVDADecoderConfiguration_Height", referenced from:
      _ff_vda_create_decoder in libavcodec.a(vda.o)
  "_CFDictionarySetValue", referenced from:
      _ff_vda_create_decoder in libavcodec.a(vda.o)
  "_kVDADecoderConfiguration_Width", referenced from:
      _ff_vda_create_decoder in libavcodec.a(vda.o)
  "_kVDADecoderConfiguration_SourceFormat", referenced from:
      _ff_vda_create_decoder in libavcodec.a(vda.o)
  "_kVDADecoderConfiguration_avcCData", referenced from:
      _ff_vda_create_decoder in libavcodec.a(vda.o)
  "_kCVPixelBufferPixelFormatTypeKey", referenced from:
      _ff_vda_create_decoder in libavcodec.a(vda.o)
  "_kCVPixelBufferIOSurfacePropertiesKey", referenced from:
      _ff_vda_create_decoder in libavcodec.a(vda.o)
  "_VDADecoderCreate", referenced from:
      _ff_vda_create_decoder in libavcodec.a(vda.o)
  "_VDADecoderDestroy", referenced from:
      _ff_vda_destroy_decoder in libavcodec.a(vda.o)
  "_CVPixelBufferRelease", referenced from:
      _ff_vda_release_vda_frame in libavcodec.a(vda.o)
  "_VDADecoderDecode", referenced from:
      _ff_vda_decoder_decode in libavcodec.a(vda.o)
  "___CFConstantStringClassReference", referenced from:
      CFString in libavcodec.a(vda.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: *** [x264] Error 1