I used the following command line: sudo port -v install ffmpeg +a52 +faac +faad +gpl +lame +x264 +xvid And I get this: make -C libavcodec all gcc -dynamiclib -Wl,-single_module -Wl,-install_name,/opt/local/lib/ libavcodec.dylib,-current_version,51.1.0,-compatibility_version,51.1.0 -Wl,-read_only_relocs,suppress -Wl,-dynamic,-search_paths_first -L/opt/ local/lib -o libavcodec.51.dylib bitstream.o utils.o allcodecs.o mpegvideo.o jrevdct.o jfdctfst.o jfdctint.o resample.o resample2.o dsputil.o motion_est.o imgconvert.o mpeg12.o simple_idct.o ratecontrol.o eval.o error_resilience.o raw.o faandct.o parser.o h264idct.o rangecoder.o h263.o opt.o bitstream_filter.o audioconvert.o imgresample.o i386/fdct_mmx.o i386/cputest.o i386/dsputil_mmx.o i386/ mpegvideo_mmx.o i386/motion_est_mmx.o i386/simple_idct_mmx.o i386/ idct_mmx_xvid.o i386/fft_sse.o i386/fft_3dn.o i386/fft_3dn2.o aasc.o ac3enc.o ac3tab.o ac3.o alac.o asv1.o atrac3.o mdct.o fft.o avs.o bethsoftvideo.o bmp.o bmpenc.o c93.o cavs.o cavsdsp.o golomb.o cinepak.o cljr.o cook.o cscd.o cyuv.o dca.o dnxhddec.o dsicinav.o dvbsubdec.o dvbsub.o dvdsubdec.o dvdsubenc.o dv.o dxa.o 8bps.o ffv1.o huffyuv.o flac.o flacenc.o flashsv.o flashsvenc.o flicvideo.o 4xm.o fraps.o gifdec.o lzw.o gif.o h261dec.o h261.o h261enc.o h263dec.o h264.o cabac.o idcinvideo.o imc.o indeo2.o indeo3.o interplayvideo.o dpcm.o jpeglsdec.o jpegls.o mjpegdec.o mjpeg.o jpeglsenc.o kmvc.o ljpegenc.o mjpegenc.o loco.o mace.o mjpegbdec.o mmvideo.o mpegaudiodec.o mpegaudiodecheader.o mpegaudio.o mpegaudiodata.o mpegaudioenc.o mpc.o msmpeg4.o msmpeg4data.o msrle.o msvideo1.o lcl.o nuv.o rtjpeg.o pnmenc.o pnm.o png.o ptx.o qdm2.o qdrw.o qpeg.o qtrle.o ra144.o ra288.o roqvideo.o roqaudioenc.o rpza.o rv10.o sgidec.o sgienc.o rle.o shorten.o smacker.o smc.o snow.o sonic.o sp5xdec.o svq1.o targa.o targaenc.o vp3.o xiph.o vp3dsp.o tiertexseqv.o tiff.o tiffenc.o lzwenc.o truemotion1.o truemotion2.o truespeech.o tscc.o tta.o txd.o s3tc.o ulti.o vc1.o vc1data.o vc1dsp.o vcr1.o vmdav.o vmnc.o vorbis_dec.o vorbis.o vorbis_data.o vorbis_enc.o vp5.o vp56.o vp56data.o vp6.o vqavideo.o wavpack.o wmadec.o wma.o wmaenc.o wnv1.o ws-snd1.o xan.o xl.o zmbv.o zmbvenc.o pcm.o adpcm.o adx.o g726.o a52dec.o faac.o faad.o mp3lameaudio.o x264.o xvidff.o xvid_rc.o aac_parser.o aac_ac3_parser.o ac3_parser.o cavs_parser.o dca_parser.o dvbsub_parser.o dvdsub_parser.o h261_parser.o h263_parser.o h264_parser.o mjpeg_parser.o mpeg4video_parser.o mpegaudio_parser.o mpegvideo_parser.o pnm_parser.o vc1_parser.o dump_extradata_bsf.o remove_extradata_bsf.o noise_bsf.o mp3_header_compress_bsf.o mp3_header_decompress_bsf.o mjpega_dump_header_bsf.o imx_dump_header_bsf.o pthread.o i386/idct_mmx.o i386/cavsdsp_mmx.o i386/snowdsp_mmx.o i386/vp3dsp_mmx.o i386/vp3dsp_sse2.o -L"/opt/local/ var/macports/build/ _opt_local_var_macports_sources_rsync .macports.org_release_ports_multimedia_ffmpeg/work/trunk"/libavutil - lavutil -lz -la52 -lmp3lame -lm -lxvidcore -lx264 -lfaac -lfaad ld: warning codegen in _sad8_xy2_mmx2 (offset 0x0000001B) prevents image from loading in dyld shared cache ld: warning codegen in _sad16_xy2_mmx2 (offset 0x0000002C) prevents image from loading in dyld shared cache ld: warning codegen in _sad16_xy2_mmx2 (offset 0x00000084) prevents image from loading in dyld shared cache ld: absolute addressing (perhaps -mdynamic-no-pic) used in _avg_qpel8_mc20_mmx2 from i386/dsputil_mmx.o not allowed in slidable image collect2: ld returned 1 exit status make[1]: *** [libavcodec.51.dylib] Error 1 make: *** [lib] Error 2 Warning: the following items did not execute (for ffmpeg): org.macports.activate org.macports.build org.macports.destroot org.macports.install Error: Status 1 encountered during processing.