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#!/bin/sh
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#
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# FFmpeg configure script
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#
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# Copyright (c) 2000-2002 Fabrice Bellard
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# Copyright (c) 2005-2008 Diego Biurrun
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# Copyright (c) 2005-2008 Mans Rullgard
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#
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# Prevent locale nonsense from breaking basic text processing.
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LC_ALL=C
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export LC_ALL
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# make sure we are running under a compatible shell
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# try to make this part work with most shells
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try_exec(){
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    echo "Trying shell $1"
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    type "$1" > /dev/null 2>&1 && exec "$@"
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}
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unset foo
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(: ${foo%%bar}) 2> /dev/null
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E1="$?"
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(: ${foo?}) 2> /dev/null
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E2="$?"
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if test "$E1" != 0 || test "$E2" = 0; then
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    echo "Broken shell detected.  Trying alternatives."
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    export FF_CONF_EXEC
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    if test "0$FF_CONF_EXEC" -lt 1; then
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        FF_CONF_EXEC=1
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        try_exec bash "$0" "$@"
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    fi
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    if test "0$FF_CONF_EXEC" -lt 2; then
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        FF_CONF_EXEC=2
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        try_exec ksh "$0" "$@"
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    fi
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    if test "0$FF_CONF_EXEC" -lt 3; then
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        FF_CONF_EXEC=3
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        try_exec /usr/xpg4/bin/sh "$0" "$@"
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    fi
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    echo "No compatible shell script interpreter found."
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    echo "This configure script requires a POSIX-compatible shell"
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    echo "such as bash or ksh."
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    echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
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    echo "Instead, install a working POSIX-compatible shell."
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    echo "Disabling this configure test will create a broken FFmpeg."
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    if test "$BASH_VERSION" = '2.04.0(1)-release'; then
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        echo "This bash version ($BASH_VERSION) is broken on your platform."
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        echo "Upgrade to a later version if available."
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    fi
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    exit 1
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fi
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show_help(){
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  echo "Usage: configure [options]"
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  echo "Options: [defaults in brackets after descriptions]"
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  echo
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  echo "Standard options:"
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  echo "  --help                   print this message"
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  echo "  --logfile=FILE           log tests and output to FILE [config.err]"
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  echo "  --disable-logging        do not log configure debug information"
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  echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
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  echo "  --bindir=DIR             install binaries in DIR [PREFIX/bin]"
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  echo "  --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]"
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  echo "  --libdir=DIR             install libs in DIR [PREFIX/lib]"
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  echo "  --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]"
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  echo "  --incdir=DIR             install includes in DIR [PREFIX/include]"
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  echo "  --mandir=DIR             install man page in DIR [PREFIX/share/man]"
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  echo
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  echo "Configuration options:"
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  echo "  --disable-static         do not build static libraries [no]"
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  echo "  --enable-shared          build shared libraries [no]"
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  echo "  --enable-gpl             allow use of GPL code, the resulting libs"
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  echo "                           and binaries will be under GPL [no]"
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  echo "  --enable-version3        upgrade (L)GPL to version 3 [no]"
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  echo "  --enable-nonfree         allow use of nonfree code, the resulting libs"
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  echo "                           and binaries will be unredistributable [no]"
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  echo "  --disable-ffmpeg         disable ffmpeg build"
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  echo "  --disable-ffplay         disable ffplay build"
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  echo "  --disable-ffserver       disable ffserver build"
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  echo "  --enable-postproc        enable GPLed postprocessing support [no]"
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  echo "  --enable-avfilter        video filter support [no]"
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  echo "  --enable-avfilter-lavf   video filters dependent on avformat [no]"
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  echo "  --enable-beosthreads     use BeOS threads [no]"
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  echo "  --enable-os2threads      use OS/2 threads [no]"
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  echo "  --enable-pthreads        use pthreads [no]"
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  echo "  --enable-w32threads      use Win32 threads [no]"
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  echo "  --enable-x11grab         enable X11 grabbing [no]"
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  echo "  --disable-network        disable network support [no]"
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  echo "  --disable-ipv6           disable IPv6 support [no]"
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  echo "  --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]"
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  echo "  --enable-gray            enable full grayscale support (slower color)"
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  echo "  --disable-swscale-alpha  disable alpha channel support in swscale"
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  echo "  --disable-fastdiv        disable table-based division"
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  echo "  --enable-small           optimize for size instead of speed"
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  echo "  --disable-aandct         disable AAN DCT code"
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  echo "  --disable-fft            disable FFT code"
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  echo "  --disable-golomb         disable Golomb code"
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  echo "  --disable-mdct           disable MDCT code"
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  echo "  --disable-rdft           disable RDFT code"
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  echo "  --disable-vaapi          disable VAAPI code"
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  echo "  --disable-vdpau          disable VDPAU code"
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  echo "  --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)"
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  echo "  --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
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  echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
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  echo "  --enable-beos-netserver  enable BeOS netserver"
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  echo "  --disable-encoder=NAME   disable encoder NAME"
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  echo "  --enable-encoder=NAME    enable encoder NAME"
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  echo "  --disable-encoders       disable all encoders"
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  echo "  --disable-decoder=NAME   disable decoder NAME"
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  echo "  --enable-decoder=NAME    enable decoder NAME"
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  echo "  --disable-decoders       disable all decoders"
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  echo "  --disable-hwaccel=NAME   disable hwaccel NAME"
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  echo "  --enable-hwaccel=NAME    enable hwaccel NAME"
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  echo "  --disable-hwaccels       disable all hwaccels"
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  echo "  --disable-muxer=NAME     disable muxer NAME"
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  echo "  --enable-muxer=NAME      enable muxer NAME"
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  echo "  --disable-muxers         disable all muxers"
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  echo "  --disable-demuxer=NAME   disable demuxer NAME"
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  echo "  --enable-demuxer=NAME    enable demuxer NAME"
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  echo "  --disable-demuxers       disable all demuxers"
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  echo "  --enable-parser=NAME     enable parser NAME"
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  echo "  --disable-parser=NAME    disable parser NAME"
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  echo "  --disable-parsers        disable all parsers"
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  echo "  --enable-bsf=NAME        enable bitstream filter NAME"
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  echo "  --disable-bsf=NAME       disable bitstream filter NAME"
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  echo "  --disable-bsfs           disable all bitstream filters"
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  echo "  --enable-protocol=NAME   enable protocol NAME"
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  echo "  --disable-protocol=NAME  disable protocol NAME"
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  echo "  --disable-protocols      disable all protocols"
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  echo "  --disable-indev=NAME     disable input device NAME"
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  echo "  --disable-outdev=NAME    disable output device NAME"
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  echo "  --disable-indevs         disable input devices"
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  echo "  --disable-outdevs        disable output devices"
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  echo "  --disable-devices        disable all devices"
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  echo "  --enable-filter=NAME     enable filter NAME"
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  echo "  --disable-filter=NAME    disable filter NAME"
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  echo "  --disable-filters        disable all filters"
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  echo "  --list-decoders          show all available decoders"
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  echo "  --list-encoders          show all available encoders"
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  echo "  --list-hwaccels          show all available hardware accelerators"
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  echo "  --list-muxers            show all available muxers"
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  echo "  --list-demuxers          show all available demuxers"
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  echo "  --list-parsers           show all available parsers"
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  echo "  --list-protocols         show all available protocols"
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  echo "  --list-bsfs              show all available bitstream filters"
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  echo "  --list-indevs            show all available input devices"
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  echo "  --list-outdevs           show all available output devices"
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  echo "  --list-filters           show all available filters"
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  echo
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  echo "External library support:"
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  echo "  --enable-avisynth        enable reading of AVISynth script files [no]"
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  echo "  --enable-bzlib           enable bzlib [autodetect]"
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  echo "  --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]"
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  echo "  --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]"
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  echo "  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394"
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  echo "                           and libraw1394 [no]"
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  echo "  --enable-libdirac        enable Dirac support via libdirac [no]"
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  echo "  --enable-libfaac         enable FAAC support via libfaac [no]"
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  echo "  --enable-libfaad         enable FAAD support via libfaad [no]"
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  echo "  --enable-libfaadbin      open libfaad.so.0 at runtime [no]"
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  echo "  --enable-libgsm          enable GSM support via libgsm [no]"
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  echo "  --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]"
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  echo "  --enable-libnut          enable NUT (de)muxing via libnut,"
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  echo "                           native (de)muxer exists [no]"
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  echo "  --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]"
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  echo "  --enable-libschroedinger enable Dirac support via libschroedinger [no]"
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  echo "  --enable-libspeex        enable Speex decoding via libspeex [no]"
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  echo "  --enable-libtheora       enable Theora encoding via libtheora [no]"
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  echo "  --enable-libvorbis       enable Vorbis encoding via libvorbis,"
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  echo "                           native implementation exists [no]"
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  echo "  --enable-libx264         enable H.264 encoding via x264 [no]"
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  echo "  --enable-libxvid         enable Xvid encoding via xvidcore,"
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  echo "                           native MPEG-4/Xvid encoder exists [no]"
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  echo "  --enable-mlib            enable Sun medialib [no]"
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  echo "  --enable-zlib            enable zlib [autodetect]"
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  echo ""
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  echo "Advanced options (experts only):"
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  echo "  --source-path=PATH       path to source code [$source_path]"
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  echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
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  echo "  --enable-cross-compile   assume a cross-compiler is used"
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  echo "  --sysroot=PATH           root of cross-build tree"
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  echo "  --sysinclude=PATH        location of cross-build system headers"
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  echo "  --target-os=OS           compiler targets OS [$target_os]"
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  echo "  --target-exec=CMD        command to run executables on target"
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  echo "  --target-path=DIR        path to view of build directory on target"
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  echo "  --nm=NM                  use nm tool"
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  echo "  --as=AS                  use assembler AS [$as_default]"
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  echo "  --cc=CC                  use C compiler CC [$cc_default]"
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  echo "  --ld=LD                  use linker LD"
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  echo "  --host-cc=HOSTCC         use host C compiler HOSTCC"
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  echo "  --host-cflags=HCFLAGS    use HCFLAGS when compiling for host"
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  echo "  --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host"
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  echo "  --host-libs=HLIBS        use libs HLIBS when linking for host"
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  echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
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  echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
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  echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
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  echo "  --extra-version=STRING   version string suffix []"
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  echo "  --build-suffix=SUFFIX    library name suffix []"
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  echo "  --arch=ARCH              select architecture [$arch]"
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  echo "  --cpu=CPU                select the minimum required CPU (affects"
205
  echo "                           instruction selection, may crash on older CPUs)"
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  echo "  --enable-powerpc-perf    enable performance report on PPC"
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  echo "                           (requires enabling PMC)"
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  echo "  --disable-altivec        disable AltiVec optimizations"
209
  echo "  --disable-amd3dnow       disable 3DNow! optimizations"
210
  echo "  --disable-amd3dnowext    disable 3DNow! extended optimizations"
211
  echo "  --disable-mmx            disable MMX optimizations"
212
  echo "  --disable-mmx2           disable MMX2 optimizations"
213
  echo "  --disable-sse            disable SSE optimizations"
214
  echo "  --disable-ssse3          disable SSSE3 optimizations"
215
  echo "  --disable-armv5te        disable armv5te optimizations"
216
  echo "  --disable-armv6          disable armv6 optimizations"
217
  echo "  --disable-armv6t2        disable armv6t2 optimizations"
218
  echo "  --disable-armvfp         disable ARM VFP optimizations"
219
  echo "  --disable-iwmmxt         disable iwmmxt optimizations"
220
  echo "  --disable-mmi            disable MMI optimizations"
221
  echo "  --disable-neon           disable neon optimizations"
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  echo "  --disable-vis            disable VIS optimizations"
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  echo "  --disable-yasm           disable use of yasm assembler"
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  echo
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  echo "Developer options (useful when working on FFmpeg itself):"
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  echo "  --disable-debug          disable debugging symbols"
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  echo "  --enable-debug=LEVEL     set the debug level [$debuglevel]"
228
  echo "  --enable-gprof           enable profiling with gprof [$gprof]"
229
  echo "  --disable-optimizations  disable compiler optimizations"
230
  echo "  --enable-extra-warnings  enable more compiler warnings"
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  echo "  --disable-stripping      disable stripping of executables and shared libraries"
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  echo ""
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  echo "NOTE: Object files are built at the place where configure is launched."
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  exit 0
235
}
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237
log(){
238
    echo "$@" >> $logfile
239
}
240

    
241
log_file(){
242
    log BEGIN $1
243
    pr -n -t $1 >> $logfile
244
    log END $1
245
}
246

    
247
echolog(){
248
    log "$@"
249
    echo "$@"
250
}
251

    
252
die(){
253
    echolog "$@"
254
    cat <<EOF
255

    
256
If you think configure made a mistake, make sure you are using the latest
257
version from SVN.  If the latest version fails, report the problem to the
258
ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
259
EOF
260
    if disabled logging; then
261
        cat <<EOF
262
Rerun configure with logging enabled (do not use --disable-logging), and
263
include the log this produces with your report.
264
EOF
265
    else
266
cat <<EOF
267
Include the log file "$logfile" produced by configure as this will help
268
solving the problem.
269
EOF
270
    fi
271
    exit 1
272
}
273

    
274
# Avoid locale weirdness, besides we really just want to translate ASCII.
275
toupper(){
276
    echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
277
}
278

    
279
tolower(){
280
    echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
281
}
282

    
283
c_escape(){
284
    echo "$*" | sed 's/["\\]/\\\0/g'
285
}
286

    
287
sh_quote(){
288
    v=$(echo "$1" | sed "s/'/'\\\\''/g")
289
    test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
290
    echo "$v"
291
}
292

    
293
set_all(){
294
    value=$1
295
    shift
296
    for var in $*; do
297
        eval $var=$value
298
    done
299
}
300

    
301
set_weak(){
302
    value=$1
303
    shift
304
    for var; do
305
        eval : \${$var:=$value}
306
    done
307
}
308

    
309
pushvar(){
310
    for var in $*; do
311
        eval level=\${${var}_level:=0}
312
        eval ${var}_${level}="\$$var"
313
        eval ${var}_level=$(($level+1))
314
    done
315
}
316

    
317
popvar(){
318
    for var in $*; do
319
        eval level=\${${var}_level:-0}
320
        test $level = 0 && continue
321
        eval level=$(($level-1))
322
        eval $var="\${${var}_${level}}"
323
        eval ${var}_level=$level
324
        eval unset ${var}_${level}
325
    done
326
}
327

    
328
enable(){
329
    set_all yes $*
330
}
331

    
332
disable(){
333
    set_all no $*
334
}
335

    
336
enable_weak(){
337
    set_weak yes $*
338
}
339

    
340
disable_weak(){
341
    set_weak no $*
342
}
343

    
344
enable_safe(){
345
    enable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
346
}
347

    
348
disable_safe(){
349
    disable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
350
}
351

    
352
do_enable_deep(){
353
    for var; do
354
        enabled $var && continue
355
        eval sel="\$${var}_select"
356
        eval sgs="\$${var}_suggest"
357
        pushvar var sgs
358
        enable_deep $sel
359
        popvar sgs
360
        enable_deep_weak $sgs
361
        popvar var
362
    done
363
}
364

    
365
enable_deep(){
366
    do_enable_deep $*
367
    enable $*
368
}
369

    
370
enable_deep_weak(){
371
    do_enable_deep $*
372
    enable_weak $*
373
}
374

    
375
enabled(){
376
    test "${1#!}" = "$1" && op== || op=!=
377
    eval test "x\$${1#!}" $op "xyes"
378
}
379

    
380
disabled(){
381
    test "${1#!}" = "$1" && op== || op=!=
382
    eval test "x\$${1#!}" $op "xno"
383
}
384

    
385
enabled_all(){
386
    for opt; do
387
        enabled $opt || return 1
388
    done
389
}
390

    
391
disabled_all(){
392
    for opt; do
393
        disabled $opt || return 1
394
    done
395
}
396

    
397
enabled_any(){
398
    for opt; do
399
        enabled $opt && return 0
400
    done
401
}
402

    
403
disabled_any(){
404
    for opt; do
405
        disabled $opt && return 0
406
    done
407
    return 1
408
}
409

    
410
set_default(){
411
    for opt; do
412
        eval : \${$opt:=\$${opt}_default}
413
    done
414
}
415

    
416
is_in(){
417
    value=$1
418
    shift
419
    for var in $*; do
420
        [ $var = $value ] && return 0
421
    done
422
    return 1
423
}
424

    
425
check_deps(){
426
    for cfg; do
427
        cfg="${cfg#!}"
428
        enabled ${cfg}_checking && die "Circular dependency for $cfg."
429
        disabled ${cfg}_checking && continue
430
        enable ${cfg}_checking
431

    
432
        eval dep_all="\$${cfg}_deps"
433
        eval dep_any="\$${cfg}_deps_any"
434
        eval dep_sel="\$${cfg}_select"
435
        eval dep_sgs="\$${cfg}_suggest"
436

    
437
        pushvar cfg dep_all dep_any dep_sel dep_sgs
438
        check_deps $dep_all $dep_any $dep_sel $dep_sgs
439
        popvar cfg dep_all dep_any dep_sel dep_sgs
440

    
441
        enabled_all  $dep_all || disable $cfg
442
        enabled_any  $dep_any || disable $cfg
443
        disabled_any $dep_sel && disable $cfg
444

    
445
        if enabled $cfg; then
446
            eval dep_extralibs="\$${cfg}_extralibs"
447
            test -n "$dep_extralibs" && add_extralibs $dep_extralibs
448
            enable_deep $dep_sel
449
            enable_deep_weak $dep_sgs
450
        fi
451

    
452
        disable ${cfg}_checking
453
    done
454
}
455

    
456
print_config(){
457
    pfx=$1
458
    header=$2
459
    makefile=$3
460
    shift 3
461
    for cfg; do
462
        ucname="$(toupper $cfg)"
463
        if enabled $cfg; then
464
            echo "#define ${pfx}${ucname} 1" >> $header
465
            echo "${pfx}${ucname}=yes" >> $makefile
466
        else
467
            echo "#define ${pfx}${ucname} 0" >> $header
468
        fi
469
    done
470
}
471

    
472
flags_saved(){
473
    (: ${SAVE_CFLAGS?}) 2> /dev/null
474
}
475

    
476
save_flags(){
477
    flags_saved && return
478
    SAVE_CFLAGS="$CFLAGS"
479
    SAVE_LDFLAGS="$LDFLAGS"
480
    SAVE_extralibs="$extralibs"
481
}
482

    
483
restore_flags(){
484
    flags_saved || return
485
    CFLAGS="$SAVE_CFLAGS"
486
    LDFLAGS="$SAVE_LDFLAGS"
487
    extralibs="$SAVE_extralibs"
488
    unset SAVE_CFLAGS
489
    unset SAVE_LDFLAGS
490
    unset SAVE_extralibs
491
}
492

    
493
temp_cflags(){
494
    save_flags
495
    CFLAGS="$CFLAGS $*"
496
}
497

    
498
temp_ldflags(){
499
    save_flags
500
    LDFLAGS="$LDFLAGS $*"
501
}
502

    
503
temp_extralibs(){
504
    save_flags
505
    extralibs="$extralibs $*"
506
}
507

    
508
append(){
509
    var=$1
510
    shift
511
    flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
512
    eval "$var=\"\$$var $*\""
513
}
514

    
515
add_cppflags(){
516
    append CPPFLAGS $($filter_cppflags "$@")
517
}
518

    
519
add_cflags(){
520
    append CFLAGS $($filter_cflags "$@")
521
}
522

    
523
add_asflags(){
524
    append ASFLAGS $($filter_asflags "$@")
525
}
526

    
527
add_ldflags(){
528
    append LDFLAGS "$@"
529
}
530

    
531
add_extralibs(){
532
    append extralibs "$@"
533
}
534

    
535
check_cmd(){
536
    log "$@"
537
    "$@" >> $logfile 2>&1
538
}
539

    
540
check_cc(){
541
    log check_cc "$@"
542
    cat > $TMPC
543
    log_file $TMPC
544
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
545
}
546

    
547
check_cpp(){
548
    log check_cpp "$@"
549
    cat > $TMPC
550
    log_file $TMPC
551
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
552
}
553

    
554
check_as(){
555
    log check_as "$@"
556
    cat > $TMPC
557
    log_file $TMPC
558
    check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
559
}
560

    
561
check_asm(){
562
    log check_asm "$@"
563
    name="$1"
564
    asm="$2"
565
    shift 2
566
    check_as "$@" <<EOF && enable $name || disable $name
567
void foo(void){ __asm__ volatile($asm); }
568
EOF
569
}
570

    
571
check_yasm(){
572
    log check_yasm "$@"
573
    echo "$1" > $TMPS
574
    log_file $TMPS
575
    shift 1
576
    check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
577
}
578

    
579
check_ld(){
580
    log check_ld "$@"
581
    check_cc || return
582
    flags=''
583
    libs=''
584
    for f; do
585
        test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
586
    done
587
    check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
588
}
589

    
590
check_cppflags(){
591
    log check_cppflags "$@"
592
    set -- $($filter_cppflags "$@")
593
    check_cc "$@" <<EOF && append CPPFLAGS "$@"
594
int x;
595
EOF
596
}
597

    
598
check_cflags(){
599
    log check_cflags "$@"
600
    set -- $($filter_cflags "$@")
601
    check_cc "$@" <<EOF && append CFLAGS "$@"
602
int x;
603
EOF
604
}
605

    
606
check_ldflags(){
607
    log check_ldflags "$@"
608
    check_ld "$@" <<EOF && add_ldflags "$@"
609
int main(void){ return 0; }
610
EOF
611
}
612

    
613
check_header(){
614
    log check_header "$@"
615
    header=$1
616
    shift
617
    disable_safe $header
618
    check_cpp "$@" <<EOF && enable_safe $header
619
#include <$header>
620
int x;
621
EOF
622
}
623

    
624
check_func(){
625
    log check_func "$@"
626
    func=$1
627
    shift
628
    disable $func
629
    check_ld "$@" <<EOF && enable $func
630
extern int $func();
631
int main(void){ $func(); }
632
EOF
633
}
634

    
635
check_func_headers(){
636
    log check_func_headers "$@"
637
    headers=$1
638
    func=$2
639
    shift 2
640
    disable $func
641
    incs=""
642
    for hdr in $headers; do
643
        incs="$incs
644
#include <$hdr>"
645
    done
646
    check_ld "$@" <<EOF && enable $func && enable_safe $headers
647
$incs
648
int main(int argc, char **argv){
649
    return (long) $func;
650
}
651
EOF
652
}
653

    
654
check_cpp_condition(){
655
    log check_cpp_condition "$@"
656
    header=$1
657
    condition=$2
658
    check_cpp <<EOF
659
#include <$header>
660
#if !($condition)
661
#error "unsatisfied condition: $condition"
662
#endif
663
EOF
664
}
665

    
666
check_lib(){
667
    log check_lib "$@"
668
    header="$1"
669
    func="$2"
670
    shift 2
671
    temp_extralibs "$@"
672
    check_header $header && check_func $func && add_extralibs "$@"
673
    err=$?
674
    restore_flags
675
    return $err
676
}
677

    
678
check_lib2(){
679
    log check_lib2 "$@"
680
    headers="$1"
681
    func="$2"
682
    shift 2
683
    temp_extralibs "$@"
684
    check_func_headers "$headers" $func && add_extralibs "$@"
685
    err=$?
686
    restore_flags
687
    return $err
688
}
689

    
690
check_exec(){
691
    check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
692
}
693

    
694
check_exec_crash(){
695
    code=$(cat)
696

    
697
    # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
698
    # are safe but may not be available everywhere.  Thus we use
699
    # raise(SIGTERM) instead.  The check is run in a subshell so we
700
    # can redirect the "Terminated" message from the shell.  SIGBUS
701
    # is not defined by standard C so it is used conditionally.
702

    
703
    (check_exec "$@") >> $logfile 2>&1 <<EOF
704
#include <signal.h>
705
static void sighandler(int sig){
706
    raise(SIGTERM);
707
}
708
int main(void){
709
    signal(SIGILL, sighandler);
710
    signal(SIGFPE, sighandler);
711
    signal(SIGSEGV, sighandler);
712
#ifdef SIGBUS
713
    signal(SIGBUS, sighandler);
714
#endif
715
    { $code }
716
}
717
EOF
718
}
719

    
720
check_type(){
721
    log check_type "$@"
722
    headers=$1
723
    type=$2
724
    shift 2
725
    disable $type
726
    incs=""
727
    for hdr in $headers; do
728
        incs="$incs
729
#include <$hdr>"
730
    done
731
    check_cc "$@" <<EOF && enable $type
732
$incs
733
$type v;
734
EOF
735
}
736

    
737
require(){
738
    name="$1"
739
    header="$2"
740
    func="$3"
741
    shift 3
742
    check_lib $header $func "$@" || die "ERROR: $name not found"
743
}
744

    
745
require2(){
746
    name="$1"
747
    headers="$2"
748
    func="$3"
749
    shift 3
750
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
751
}
752

    
753
check_foo_config(){
754
    cfg=$1
755
    pkg=$2
756
    header=$3
757
    func=$4
758
    shift 4
759
    disable $cfg
760
    check_cmd ${pkg}-config --version
761
    err=$?
762
    if test "$err" = 0; then
763
        temp_cflags $(${pkg}-config --cflags)
764
        temp_extralibs $(${pkg}-config --libs)
765
        check_lib "$@" $header $func && enable $cfg
766
    fi
767
    return $err
768
}
769

    
770
apply(){
771
    file=$1
772
    shift
773
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
774
}
775

    
776
# CONFIG_LIST contains configurable options, while HAVE_LIST is for
777
# system-dependent things.
778

    
779
COMPONENT_LIST="
780
    bsfs
781
    decoders
782
    demuxers
783
    encoders
784
    filters
785
    hwaccels
786
    indevs
787
    muxers
788
    outdevs
789
    parsers
790
    protocols
791
"
792

    
793
CONFIG_LIST="
794
    $COMPONENT_LIST
795
    aandct
796
    avfilter
797
    avfilter_lavf
798
    avisynth
799
    beos_netserver
800
    bzlib
801
    fastdiv
802
    ffmpeg
803
    ffplay
804
    ffserver
805
    fft
806
    golomb
807
    gpl
808
    gprof
809
    gray
810
    hardcoded_tables
811
    ipv6
812
    libdc1394
813
    libdirac
814
    libfaac
815
    libfaad
816
    libfaadbin
817
    libgsm
818
    libmp3lame
819
    libnut
820
    libopencore_amrnb
821
    libopencore_amrwb
822
    libopenjpeg
823
    libschroedinger
824
    libspeex
825
    libtheora
826
    libvorbis
827
    libx264
828
    libxvid
829
    mdct
830
    memalign_hack
831
    mlib
832
    mpegaudio_hp
833
    network
834
    nonfree
835
    postproc
836
    powerpc_perf
837
    rdft
838
    runtime_cpudetect
839
    shared
840
    small
841
    static
842
    swscale_alpha
843
    vaapi
844
    vdpau
845
    version3
846
    x11grab
847
    zlib
848
"
849

    
850
THREADS_LIST='
851
    beosthreads
852
    os2threads
853
    pthreads
854
    w32threads
855
'
856

    
857
ARCH_LIST='
858
    alpha
859
    arm
860
    bfin
861
    ia64
862
    m68k
863
    mips
864
    mips64
865
    parisc
866
    ppc
867
    ppc64
868
    s390
869
    sh4
870
    sparc
871
    sparc64
872
    x86
873
    x86_32
874
    x86_64
875
'
876

    
877
ARCH_EXT_LIST='
878
    altivec
879
    amd3dnow
880
    amd3dnowext
881
    armv5te
882
    armv6
883
    armv6t2
884
    armvfp
885
    iwmmxt
886
    mmi
887
    mmx
888
    mmx2
889
    neon
890
    ppc4xx
891
    sse
892
    ssse3
893
    vis
894
'
895

    
896
HAVE_LIST="
897
    $ARCH_EXT_LIST
898
    $THREADS_LIST
899
    alsa_asoundlib_h
900
    altivec_h
901
    arpa_inet_h
902
    attribute_packed
903
    bigendian
904
    bswap
905
    closesocket
906
    cmov
907
    conio_h
908
    dcbzl
909
    dev_bktr_ioctl_bt848_h
910
    dev_bktr_ioctl_meteor_h
911
    dev_ic_bt8xx_h
912
    dev_video_meteor_ioctl_meteor_h
913
    dev_video_bktr_ioctl_bt848_h
914
    dlfcn_h
915
    dlopen
916
    dos_paths
917
    ebp_available
918
    ebx_available
919
    fast_64bit
920
    fast_cmov
921
    fast_unaligned
922
    fork
923
    gethrtime
924
    GetProcessTimes
925
    getrusage
926
    inet_aton
927
    inline_asm
928
    isatty
929
    ldbrx
930
    libdc1394_1
931
    libdc1394_2
932
    llrint
933
    log2
934
    loongson
935
    lrint
936
    lrintf
937
    lzo1x_999_compress
938
    machine_ioctl_bt848_h
939
    machine_ioctl_meteor_h
940
    malloc_h
941
    memalign
942
    mkstemp
943
    pld
944
    posix_memalign
945
    round
946
    roundf
947
    sdl
948
    sdl_video_size
949
    setmode
950
    socklen_t
951
    soundcard_h
952
    poll_h
953
    sys_mman_h
954
    sys_resource_h
955
    sys_select_h
956
    sys_soundcard_h
957
    sys_videoio_h
958
    ten_operands
959
    termios_h
960
    threads
961
    truncf
962
    vfp_args
963
    VirtualAlloc
964
    winsock2_h
965
    xform_asm
966
    yasm
967
"
968

    
969
# options emitted with CONFIG_ prefix but not available on command line
970
CONFIG_EXTRA="
971
    gplv3
972
    lgplv3
973
"
974

    
975
CMDLINE_SELECT="
976
    $ARCH_EXT_LIST
977
    $CONFIG_LIST
978
    $THREADS_LIST
979
    cross_compile
980
    debug
981
    extra_warnings
982
    logging
983
    optimizations
984
    stripping
985
    yasm
986
"
987

    
988
PATHS_LIST='
989
    bindir
990
    datadir
991
    incdir
992
    libdir
993
    mandir
994
    prefix
995
    shlibdir
996
'
997

    
998
CMDLINE_SET="
999
    $PATHS_LIST
1000
    arch
1001
    as
1002
    build_suffix
1003
    cc
1004
    cpu
1005
    cross_prefix
1006
    dep_cc
1007
    extra_version
1008
    host_cc
1009
    host_cflags
1010
    host_ldflags
1011
    host_libs
1012
    host_os
1013
    ld
1014
    logfile
1015
    nm
1016
    source_path
1017
    sysinclude
1018
    sysroot
1019
    target_exec
1020
    target_os
1021
    target_path
1022
"
1023

    
1024
CMDLINE_APPEND="
1025
    extra_cflags
1026
"
1027

    
1028
# code dependency declarations
1029

    
1030
# architecture extensions
1031
altivec_deps="ppc"
1032
amd3dnow_deps="mmx"
1033
amd3dnowext_deps="amd3dnow"
1034
armv5te_deps="arm"
1035
armv6_deps="arm"
1036
armv6t2_deps="arm"
1037
armvfp_deps="arm"
1038
iwmmxt_deps="arm"
1039
mmi_deps="mips"
1040
mmx_deps="x86"
1041
mmx2_deps="mmx"
1042
neon_deps="arm"
1043
ppc4xx_deps="ppc"
1044
sse_deps="mmx"
1045
ssse3_deps="sse"
1046
vis_deps="sparc"
1047

    
1048
need_memalign="altivec neon sse"
1049
inline_asm_deps="!tms470"
1050

    
1051
# decoders / encoders / hardware accelerators
1052
aac_decoder_select="fft mdct"
1053
aac_encoder_select="fft mdct"
1054
ac3_decoder_select="fft mdct"
1055
atrac3_decoder_select="fft mdct"
1056
cavs_decoder_select="golomb"
1057
cook_decoder_select="fft mdct"
1058
cscd_decoder_suggest="zlib"
1059
dca_decoder_select="fft mdct"
1060
dnxhd_encoder_select="aandct"
1061
dxa_decoder_select="zlib"
1062
eac3_decoder_select="ac3_decoder"
1063
eamad_decoder_select="aandct"
1064
eatgq_decoder_select="aandct"
1065
eatqi_decoder_select="aandct"
1066
ffv1_decoder_select="golomb"
1067
flac_decoder_select="golomb"
1068
flac_encoder_select="golomb"
1069
flashsv_decoder_select="zlib"
1070
flashsv_encoder_select="zlib"
1071
flv_encoder_select="aandct"
1072
h261_encoder_select="aandct"
1073
h263_encoder_select="aandct"
1074
h263_vaapi_hwaccel_deps="va_va_h"
1075
h263_vaapi_hwaccel_select="vaapi h263_decoder"
1076
h263p_encoder_select="aandct"
1077
h264_decoder_select="golomb"
1078
h264_vaapi_hwaccel_deps="va_va_h"
1079
h264_vaapi_hwaccel_select="vaapi"
1080
h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1081
h264_vdpau_decoder_select="vdpau h264_decoder"
1082
imc_decoder_select="fft mdct"
1083
jpegls_decoder_select="golomb"
1084
jpegls_encoder_select="golomb"
1085
ljpeg_encoder_select="aandct"
1086
loco_decoder_select="golomb"
1087
mjpeg_encoder_select="aandct"
1088
mpeg1video_encoder_select="aandct"
1089
mpeg2video_encoder_select="aandct"
1090
mpeg4_encoder_select="aandct"
1091
mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1092
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1093
mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1094
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1095
mpeg2_vaapi_hwaccel_deps="va_va_h"
1096
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1097
mpeg4_vaapi_hwaccel_deps="va_va_h"
1098
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1099
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1100
msmpeg4v1_encoder_select="aandct"
1101
msmpeg4v2_encoder_select="aandct"
1102
msmpeg4v3_encoder_select="aandct"
1103
nellymoser_decoder_select="fft mdct"
1104
nellymoser_encoder_select="fft mdct"
1105
png_decoder_select="zlib"
1106
png_encoder_select="zlib"
1107
qdm2_decoder_select="fft mdct rdft"
1108
rv10_encoder_select="aandct"
1109
rv20_encoder_select="aandct"
1110
rv30_decoder_select="golomb"
1111
rv40_decoder_select="golomb"
1112
shorten_decoder_select="golomb"
1113
sonic_decoder_select="golomb"
1114
sonic_encoder_select="golomb"
1115
sonic_ls_encoder_select="golomb"
1116
svq3_decoder_select="golomb"
1117
svq3_decoder_suggest="zlib"
1118
theora_decoder_select="vp3_decoder"
1119
tiff_decoder_suggest="zlib"
1120
tiff_encoder_suggest="zlib"
1121
tscc_decoder_select="zlib"
1122
vc1_vaapi_hwaccel_deps="va_va_h"
1123
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1124
vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1125
vc1_vdpau_decoder_select="vdpau vc1_decoder"
1126
vorbis_decoder_select="fft mdct"
1127
vorbis_encoder_select="fft mdct"
1128
vp6a_decoder_select="vp6_decoder"
1129
vp6f_decoder_select="vp6_decoder"
1130
wmav1_decoder_select="fft mdct"
1131
wmav1_encoder_select="fft mdct"
1132
wmav2_decoder_select="fft mdct"
1133
wmav2_encoder_select="fft mdct"
1134
wmv1_encoder_select="aandct"
1135
wmv2_encoder_select="aandct"
1136
wmv3_decoder_select="vc1_decoder"
1137
wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1138
wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1139
zlib_decoder_select="zlib"
1140
zlib_encoder_select="zlib"
1141
zmbv_decoder_select="zlib"
1142
zmbv_encoder_select="zlib"
1143

    
1144
# parsers
1145
h264_parser_select="golomb"
1146

    
1147
# external libraries
1148
libdirac_decoder_deps="libdirac !libschroedinger"
1149
libdirac_encoder_deps="libdirac"
1150
libfaac_encoder_deps="libfaac"
1151
libfaad_decoder_deps="libfaad"
1152
libfaadbin_decoder_extralibs='$ldl'
1153
libgsm_decoder_deps="libgsm"
1154
libgsm_encoder_deps="libgsm"
1155
libgsm_ms_decoder_deps="libgsm"
1156
libgsm_ms_encoder_deps="libgsm"
1157
libmp3lame_encoder_deps="libmp3lame"
1158
libopencore_amrnb_decoder_deps="libopencore_amrnb"
1159
libopencore_amrnb_encoder_deps="libopencore_amrnb"
1160
libopencore_amrwb_decoder_deps="libopencore_amrwb"
1161
libopenjpeg_decoder_deps="libopenjpeg"
1162
libschroedinger_decoder_deps="libschroedinger"
1163
libschroedinger_encoder_deps="libschroedinger"
1164
libspeex_decoder_deps="libspeex"
1165
libtheora_encoder_deps="libtheora"
1166
libvorbis_encoder_deps="libvorbis"
1167
libx264_encoder_deps="libx264"
1168
libxvid_encoder_deps="libxvid"
1169

    
1170
# demuxers / muxers
1171
ac3_demuxer_deps="ac3_parser"
1172
asf_stream_muxer_select="asf_muxer"
1173
avisynth_demuxer_deps="avisynth"
1174
dirac_demuxer_deps="dirac_parser"
1175
ipod_muxer_select="mov_muxer"
1176
libnut_demuxer_deps="libnut"
1177
libnut_muxer_deps="libnut"
1178
matroska_audio_muxer_select="matroska_muxer"
1179
matroska_demuxer_suggest="zlib bzlib"
1180
mov_demuxer_suggest="zlib"
1181
mp3_demuxer_deps="mpegaudio_parser"
1182
mp4_muxer_select="mov_muxer"
1183
mpegtsraw_demuxer_select="mpegts_demuxer"
1184
mxf_d10_muxer_select="mxf_muxer"
1185
psp_muxer_select="mov_muxer"
1186
redir_demuxer_deps="network"
1187
rtp_muxer_deps="network rtp_protocol"
1188
rtsp_demuxer_deps="sdp_demuxer"
1189
sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1190
tg2_muxer_select="mov_muxer"
1191
tgp_muxer_select="mov_muxer"
1192

    
1193
# indevs / outdevs
1194
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1195
alsa_indev_extralibs="-lasound"
1196
alsa_outdev_deps="alsa_asoundlib_h"
1197
alsa_outdev_extralibs="-lasound"
1198
audio_beos_indev_deps="audio_beos"
1199
audio_beos_indev_extralibs="-lmedia -lbe"
1200
audio_beos_outdev_deps="audio_beos"
1201
audio_beos_outdev_extralibs="-lmedia -lbe"
1202
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1203
dv1394_indev_deps="dv1394 dv_demuxer"
1204
jack_indev_deps="jack_jack_h"
1205
jack_indev_extralibs="-ljack"
1206
libdc1394_indev_deps="libdc1394"
1207
oss_indev_deps_any="soundcard_h sys_soundcard_h"
1208
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1209
v4l_indev_deps="linux_videodev_h"
1210
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1211
vfwcap_indev_deps="capCreateCaptureWindow"
1212
vfwcap_indev_extralibs="-lvfw32"
1213
x11_grab_device_indev_deps="x11grab XShmCreateImage"
1214
x11_grab_device_indev_extralibs="-lX11 -lXext"
1215

    
1216
# protocols
1217
gopher_protocol_deps="network"
1218
http_protocol_deps="network"
1219
rtp_protocol_deps="udp_protocol"
1220
tcp_protocol_deps="network"
1221
udp_protocol_deps="network"
1222

    
1223
# filters
1224
movie_filter_deps="avfilter_lavf"
1225

    
1226
# programs
1227
ffplay_deps="sdl"
1228
ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1229
ffserver_extralibs='$ldl'
1230

    
1231

    
1232
# default parameters
1233

    
1234
logfile="config.err"
1235

    
1236
# installation paths
1237
prefix_default="/usr/local"
1238
bindir_default='${prefix}/bin'
1239
datadir_default='${prefix}/share/ffmpeg'
1240
incdir_default='${prefix}/include'
1241
libdir_default='${prefix}/lib'
1242
mandir_default='${prefix}/share/man'
1243
shlibdir_default="$libdir_default"
1244

    
1245
# toolchain
1246
ar="ar"
1247
cc_default="gcc"
1248
host_cc_default="gcc"
1249
ln_s="ln -sf"
1250
nm_default="nm"
1251
objformat="elf"
1252
ranlib="ranlib"
1253
strip="strip"
1254
yasmexe="yasm"
1255

    
1256
# machine
1257
arch=$(uname -m)
1258
cpu="generic"
1259

    
1260
# OS
1261
target_os=$(tolower $(uname -s))
1262
host_os=$target_os
1263

    
1264
# configurable options
1265
enable debug
1266
enable fastdiv
1267
enable ffmpeg
1268
enable ffplay
1269
enable ffserver
1270
enable ipv6
1271
enable mpegaudio_hp
1272
enable network
1273
enable optimizations
1274
enable protocols
1275
enable static
1276
enable stripping
1277
enable swscale_alpha
1278

    
1279
# build settings
1280
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1281
FFSERVERLDFLAGS=-Wl,-E
1282
LIBPREF="lib"
1283
LIBSUF=".a"
1284
FULLNAME='$(NAME)$(BUILDSUF)'
1285
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1286
SLIBPREF="lib"
1287
SLIBSUF=".so"
1288
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1289
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1290
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1291
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1292

    
1293
CC_O='-o $@'
1294

    
1295
host_cflags='-O3 -g -Wall'
1296
host_libs='-lm'
1297

    
1298
target_path='.'
1299

    
1300
# gcc stupidly only outputs the basename of targets with -MM, but we need the
1301
# full relative path for objects in subdirectories for non-recursive Make.
1302
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $@'
1303
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1304

    
1305
# find source path
1306
source_path="$(dirname "$0")"
1307
enable source_path_used
1308
if test -f configure; then
1309
    source_path="$(pwd)"
1310
    disable source_path_used
1311
else
1312
    source_path="$(cd "$source_path"; pwd)"
1313
    echo "$source_path" | grep -q '[[:blank:]]' &&
1314
        die "Out of tree builds are impossible with whitespace in source path."
1315
    test -e "$source_path/config.h" &&
1316
        die "Out of tree builds are impossible with config.h in source dir."
1317
fi
1318

    
1319
for v in "$@"; do
1320
    r=${v#*=}
1321
    l=${v%"$r"}
1322
    r=$(sh_quote "$r")
1323
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1324
done
1325

    
1326
find_things(){
1327
    thing=$1
1328
    pattern=$2
1329
    file=$source_path/$3
1330
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1331
}
1332

    
1333
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1334
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1335
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1336
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1337
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1338
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1339
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1340
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1341
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1342
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1343
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1344

    
1345
enable $ARCH_EXT_LIST \
1346
       $DECODER_LIST \
1347
       $ENCODER_LIST \
1348
       $HWACCEL_LIST \
1349
       $PARSER_LIST \
1350
       $BSF_LIST \
1351
       $DEMUXER_LIST \
1352
       $MUXER_LIST \
1353
       $FILTER_LIST \
1354
       $PROTOCOL_LIST \
1355
       $INDEV_LIST \
1356
       $OUTDEV_LIST \
1357

    
1358
die_unknown(){
1359
    echo "Unknown option \"$1\"."
1360
    echo "See $0 --help for available options."
1361
    exit 1
1362
}
1363

    
1364
show_list() {
1365
    suffix=_$1
1366
    shift
1367
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1368
    exit 0
1369
}
1370

    
1371
for opt do
1372
    optval="${opt#*=}"
1373
    case "$opt" in
1374
    --extra-ldflags=*) add_ldflags $optval
1375
    ;;
1376
    --extra-libs=*) add_extralibs $optval
1377
    ;;
1378
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1379
    ;;
1380
    --enable-debug=*) debuglevel="$optval"
1381
    ;;
1382
    --enable-*=*|--disable-*=*)
1383
    eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
1384
    case "$thing" in
1385
        encoder|decoder|hwaccel|muxer|demuxer|indev|outdev|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1386
        *) die_unknown "$opt" ;;
1387
    esac
1388
    ;;
1389
    --enable-?*|--disable-?*)
1390
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1391
    if is_in $option $COMPONENT_LIST; then
1392
        test $action = disable && action=unset
1393
        eval $action \$$(toupper ${option%s})_LIST
1394
    elif is_in $option $CMDLINE_SELECT; then
1395
        $action $option
1396
    else
1397
        die_unknown $opt
1398
    fi
1399
    ;;
1400
    --list-*)
1401
        NAME="${opt#--list-}"
1402
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1403
        NAME=${NAME%s}
1404
        eval show_list $NAME \$$(toupper $NAME)_LIST
1405
    ;;
1406
    --help|-h) show_help
1407
    ;;
1408
    *)
1409
    optname="${opt%%=*}"
1410
    optname="${optname#--}"
1411
    optname=$(echo "$optname" | sed 's/-/_/g')
1412
    if is_in $optname $CMDLINE_SET; then
1413
        eval $optname='$optval'
1414
    elif is_in $optname $CMDLINE_APPEND; then
1415
        append $optname "$optval"
1416
    else
1417
         die_unknown $opt
1418
    fi
1419
    ;;
1420
    esac
1421
done
1422

    
1423
disabled logging && logfile=/dev/null
1424

    
1425
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1426
set >> $logfile
1427

    
1428
test -n "$cross_prefix" && enable cross_compile
1429

    
1430
ar="${cross_prefix}${ar}"
1431
cc_default="${cross_prefix}${cc_default}"
1432
nm_default="${cross_prefix}${nm_default}"
1433
ranlib="${cross_prefix}${ranlib}"
1434
strip="${cross_prefix}${strip}"
1435

    
1436
sysinclude_default="${sysroot}/usr/include"
1437

    
1438
set_default cc nm sysinclude
1439
enabled cross_compile || host_cc_default=$cc
1440
set_default host_cc
1441

    
1442
exesuf() {
1443
    case $1 in
1444
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1445
    esac
1446
}
1447

    
1448
EXESUF=$(exesuf $target_os)
1449
HOSTEXESUF=$(exesuf $host_os)
1450

    
1451
# set temporary file name
1452
: ${TMPDIR:=$TEMPDIR}
1453
: ${TMPDIR:=$TMP}
1454
: ${TMPDIR:=/tmp}
1455

    
1456
if ! check_cmd type mktemp; then
1457
    # simple replacement for missing mktemp
1458
    # NOT SAFE FOR GENERAL USE
1459
    mktemp(){
1460
        echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1461
    }
1462
fi
1463

    
1464
tmpfile(){
1465
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1466
        (set -C; exec > $tmp) 2>/dev/null ||
1467
        die "Unable to create temoporary file in $TMPDIR."
1468
    append TMPFILES $tmp
1469
    eval $1=$tmp
1470
}
1471

    
1472
trap 'rm -f -- $TMPFILES' EXIT
1473
trap exit HUP INT TERM
1474

    
1475
tmpfile TMPC  .c
1476
tmpfile TMPE  $EXESUF
1477
tmpfile TMPH  .h
1478
tmpfile TMPO  .o
1479
tmpfile TMPS  .S
1480
tmpfile TMPSH .sh
1481

    
1482
unset -f mktemp
1483

    
1484
# make sure we can execute files in $TMPDIR
1485
cat > $TMPSH 2>> $logfile <<EOF
1486
#! /bin/sh
1487
EOF
1488
chmod +x $TMPSH >> $logfile 2>&1
1489
if ! $TMPSH >> $logfile 2>&1; then
1490
    cat <<EOF
1491
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1492
variable to another directory and make sure that it is not mounted noexec.
1493
EOF
1494
    die "Sanity test failed."
1495
fi
1496

    
1497
filter_cflags=echo
1498
filter_cppflags=echo
1499
filter_asflags=echo
1500

    
1501
if   $cc --version 2>/dev/null | grep -qi gcc; then
1502
    cc_type=gcc
1503
elif $cc --version 2>/dev/null | grep -q Intel; then
1504
    cc_type=icc
1505
elif $cc -v 2>&1 | grep -q xlc; then
1506
    cc_type=xlc
1507
elif $cc -V 2>/dev/null | grep -q Compaq; then
1508
    cc_type=ccc
1509
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1510
    debuglevel=3
1511
    add_ldflags -Wl,-z,now # calls to libots crash without this
1512
elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1513
    test -d "$sysroot" || die "No valid sysroot specified."
1514
    cc_type=armcc
1515
    armcc_conf="$PWD/armcc.conf"
1516
    $cc --arm_linux_configure                 \
1517
        --arm_linux_config_file="$armcc_conf" \
1518
        --configure_sysroot="$sysroot"        \
1519
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1520
        die "Error creating armcc configuration file."
1521
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1522
    as_default="${cross_prefix}gcc"
1523
elif $cc -version 2>/dev/null | grep -q TMS470; then
1524
    cc_type=tms470
1525
    cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1526
    CC_O='-fr=$(@D)'
1527
    as_default="${cross_prefix}gcc"
1528
    ld_default="${cross_prefix}gcc"
1529
    dep_cc_default="${cross_prefix}gcc"
1530
    TMPO=$(basename $TMPC .c).o
1531
    append TMPFILES $TMPO
1532
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1533
    DEPFLAGS='$(CPPFLAGS) -MM'
1534
    filter_cflags=tms470_flags
1535
    tms470_flags(){
1536
        for flag; do
1537
            case $flag in
1538
                -march=*|-mcpu=*)
1539
                    case "${flag#*=}" in
1540
                        armv7-a|cortex-a*)      echo -mv=7a8 ;;
1541
                        armv7-r|cortex-r*)      echo -mv=7r4 ;;
1542
                        armv7-m|cortex-m*)      echo -mv=7m3 ;;
1543
                        armv6*|arm11*)          echo -mv=6   ;;
1544
                        armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1545
                                                echo -mv=5e  ;;
1546
                        armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1547
                    esac
1548
                    ;;
1549
                -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1550
                -mfpu=vfp)      echo --float_support=vfpv2        ;;
1551
                -mfpu=softvfp)  echo --float_support=vfplib       ;;
1552
                -Os)            echo -O3 -mf=2                    ;;
1553
                -O[0-3])        echo $flag -mf=5                  ;;
1554
                -g)             echo -g -mn                       ;;
1555
            esac
1556
        done
1557
    }
1558
fi
1559

    
1560
test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1561

    
1562
: ${as_default:=$cc}
1563
: ${dep_cc_default:=$cc}
1564
: ${ld_default:=$cc}
1565
set_default as dep_cc ld
1566

    
1567
add_cflags $extra_cflags
1568
add_asflags $extra_cflags
1569

    
1570
if test -n "$sysroot"; then
1571
    case "$cc_type" in
1572
        gcc)
1573
            add_cppflags --sysroot="$sysroot"
1574
            add_ldflags --sysroot="$sysroot"
1575
        ;;
1576
        tms470)
1577
            add_cppflags -I"$sysinclude"
1578
            add_ldflags  --sysroot="$sysroot"
1579
        ;;
1580
    esac
1581
fi
1582

    
1583
# Add processor-specific flags
1584
case $cpu in
1585
    601|ppc601|PowerPC601)
1586
        cpuflags="-mcpu=601"
1587
    ;;
1588
    603*|ppc603*|PowerPC603*)
1589
        cpuflags="-mcpu=603"
1590
    ;;
1591
    604*|ppc604*|PowerPC604*)
1592
        cpuflags="-mcpu=604"
1593
    ;;
1594
    G3|g3|75*|ppc75*|PowerPC75*)
1595
        cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1596
    ;;
1597
    G4|g4|745*|ppc745*|PowerPC745*)
1598
        cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1599
    ;;
1600
    74*|ppc74*|PowerPC74*)
1601
        cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1602
    ;;
1603
    G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1604
        cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1605
    ;;
1606
    Cell|CELL|cell)
1607
        cpuflags="-mcpu=cell"
1608
        enable ldbrx
1609
    ;;
1610
    # targets that do NOT support conditional mov (cmov)
1611
    i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1612
        cpuflags="-march=$cpu"
1613
        disable cmov
1614
    ;;
1615
    # targets that do support conditional mov (cmov)
1616
    i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1617
        cpuflags="-march=$cpu"
1618
        enable cmov
1619
        enable fast_cmov
1620
    ;;
1621
    # targets that do support conditional mov but on which it's slow
1622
    pentium4|pentium4m|prescott|nocona)
1623
        cpuflags="-march=$cpu"
1624
        enable cmov
1625
        disable fast_cmov
1626
    ;;
1627
    sparc64)
1628
        cpuflags="-mcpu=v9"
1629
    ;;
1630
    arm11*|cortex*)
1631
        cpuflags="-mcpu=$cpu"
1632
        enable fast_unaligned
1633
    ;;
1634
    armv[67]*)
1635
        cpuflags="-march=$cpu"
1636
        enable fast_unaligned
1637
    ;;
1638
    armv*)
1639
        cpuflags="-march=$cpu"
1640
    ;;
1641
    arm*)
1642
        cpuflags="-mcpu=$cpu"
1643
    ;;
1644
    ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1645
        enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1646
    ;;
1647
    bf*)
1648
        cpuflags="-mcpu=$cpu"
1649
    ;;
1650
    mips*|[45]k*|[237]4k*|m4k|r*000|loongson2[ef])
1651
        cpuflags="-march=$cpu"
1652
    ;;
1653
    generic)
1654
    ;;
1655
    *)
1656
        echo "WARNING: Unknown CPU \"$cpu\", ignored."
1657
    ;;
1658
esac
1659

    
1660
add_cflags $cpuflags
1661
add_asflags $cpuflags
1662

    
1663
# compiler sanity check
1664
check_exec <<EOF
1665
int main(void){ return 0; }
1666
EOF
1667
if test "$?" != 0; then
1668
    echo "$cc is unable to create an executable file."
1669
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
1670
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1671
        echo "Only do this if you know what cross compiling means."
1672
    fi
1673
    die "C compiler test failed."
1674
fi
1675

    
1676
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1677
check_cflags -std=c99
1678
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1679
#include <stdlib.h>
1680
EOF
1681
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
1682
#include <stdlib.h>
1683
EOF
1684

    
1685
case "$arch" in
1686
    alpha)
1687
        arch="alpha"
1688
        enable fast_64bit
1689
        check_cflags -mieee
1690
        pic=$shared
1691
    ;;
1692
    arm|armv[4567]*l)
1693
        arch="arm"
1694
    ;;
1695
    avr32)
1696
    ;;
1697
    bfin)
1698
        arch="bfin"
1699
    ;;
1700
    ia64)
1701
        arch="ia64"
1702
        enable fast_64bit
1703
        pic=$shared
1704
    ;;
1705
    m68k)
1706
        arch="m68k"
1707
    ;;
1708
    mips|mipsel|IP*)
1709
        arch="mips"
1710
        pic=$shared
1711
    ;;
1712
    mips64)
1713
        arch="mips"
1714
        subarch="mips64"
1715
        enable fast_64bit
1716
        pic=$shared
1717
    ;;
1718
    parisc|hppa)
1719
        arch="parisc"
1720
        pic=$shared
1721
    ;;
1722
    parisc64|hppa64)
1723
        arch="parisc"
1724
        enable fast_64bit
1725
        pic=$shared
1726
    ;;
1727
    "Power Macintosh"|ppc|powerpc)
1728
        arch="ppc"
1729
        enable fast_unaligned
1730
    ;;
1731
    ppc64)
1732
        arch="ppc"
1733
        subarch="ppc64"
1734
        enable fast_64bit
1735
        enable fast_unaligned
1736
    ;;
1737
    s390|s390x)
1738
        arch="s390"
1739
    ;;
1740
    sh4|sh)
1741
        arch="sh4"
1742
    ;;
1743
    sparc)
1744
        arch="sparc"
1745
        pic=$shared
1746
    ;;
1747
    sun4u|sparc64)
1748
        arch="sparc"
1749
        subarch="sparc64"
1750
        enable fast_64bit
1751
        pic=$shared
1752
    ;;
1753
    i386|i486|i586|i686|i86pc|BePC)
1754
        arch="x86"
1755
        subarch="x86_32"
1756
        enable fast_unaligned
1757
    ;;
1758
    x86_64|amd64)
1759
        arch="x86"
1760
        subarch="x86_32"
1761
        enable cmov
1762
        enable fast_cmov
1763
        enable fast_unaligned
1764
        check_cc <<EOF && enable fast_64bit && subarch="x86_64" && pic=$shared
1765
        int test[sizeof(char*) - 7];
1766
EOF
1767
    ;;
1768
    *)
1769
        arch="unknown"
1770
    ;;
1771
esac
1772

    
1773
enable $arch $subarch
1774

    
1775
# OS specific
1776
case $target_os in
1777
    beos|haiku|zeta)
1778
        prefix_default="$HOME/config"
1779
        # helps building libavcodec
1780
        add_cppflags -DPIC
1781
        add_cflags -fomit-frame-pointer
1782
        # 3 gcc releases known for BeOS, each with ugly bugs
1783
        gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1784
        case "$gcc_version" in
1785
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1786
            disable mmx
1787
            ;;
1788
          *20010315*) echo "BeBits gcc"
1789
            add_cflags -fno-expensive-optimizations
1790
            ;;
1791
        esac
1792
        SHFLAGS=-nostart
1793
        # enable BeOS things
1794
        enable audio_beos
1795
        # no need for libm, but the inet stuff
1796
        # Check for BONE
1797
        # XXX: actually should check for NOT net_server
1798
        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1799
            network_extralibs="-lbind -lsocket"
1800
        else
1801
            enable beos_netserver
1802
            network_extralibs="-lnet"
1803
        fi ;;
1804
    sunos)
1805
        FFSERVERLDFLAGS=""
1806
        SHFLAGS='-shared -Wl,-h,$$(@F)'
1807
        network_extralibs="-lsocket -lnsl"
1808
        add_cppflags -D__EXTENSIONS__
1809
        ;;
1810
    netbsd)
1811
        oss_indev_extralibs="-lossaudio"
1812
        oss_outdev_extralibs="-lossaudio"
1813
        ;;
1814
    openbsd)
1815
        enable malloc_aligned
1816
        enable pic
1817
        SHFLAGS='-shared'
1818
        oss_indev_extralibs="-lossaudio"
1819
        oss_outdev_extralibs="-lossaudio"
1820
        ;;
1821
    freebsd|dragonfly)
1822
        enable malloc_aligned
1823
        ;;
1824
    bsd/os)
1825
        osextralibs="-lpoll -lgnugetopt"
1826
        strip="strip -d"
1827
        ;;
1828
    darwin)
1829
        enable malloc_aligned
1830
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1831
        strip="strip -x"
1832
        FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1833
        SLIBSUF=".dylib"
1834
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1835
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1836
        FFSERVERLDFLAGS=-Wl,-bind_at_load
1837
        objformat="macho"
1838
        enabled x86_64 && objformat="macho64"
1839
        enabled shared || check_cflags -mdynamic-no-pic
1840
        ;;
1841
    mingw32*)
1842
        if test $target_os = "mingw32ce"; then
1843
            disable network
1844
        else
1845
            target_os=mingw32
1846
        fi
1847
        LIBTARGET=i386
1848
        if enabled x86_64; then
1849
            enable malloc_aligned
1850
            LIBTARGET=x64
1851
        elif enabled arm; then
1852
            LIBTARGET=arm
1853
        fi
1854
        shlibdir_default="$bindir_default"
1855
        disable ffserver
1856
        SLIBPREF=""
1857
        SLIBSUF=".dll"
1858
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1859
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1860
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1861
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1862
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
1863
            install -d "$(LIBDIR)"; \
1864
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
1865
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1866
        SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1867
        objformat="win32"
1868
        enable dos_paths
1869
        check_cflags -fno-common
1870
        if ! enabled x86_64; then
1871
            check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1872
                die "ERROR: MinGW runtime version must be >= 3.15."
1873
            enabled_any avisynth vfwcap_indev &&
1874
                { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1875
                  die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
1876
            fi
1877
        ;;
1878
    cygwin*)
1879
        target_os=cygwin
1880
        shlibdir_default="$bindir_default"
1881
        SLIBPREF="cyg"
1882
        SLIBSUF=".dll"
1883
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1884
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1885
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
1886
        objformat="win32"
1887
        enable dos_paths
1888
        check_cflags -fno-common
1889
        ;;
1890
    *-dos|freedos|opendos)
1891
        disable ffplay ffserver
1892
        disable $INDEV_LIST $OUTDEV_LIST
1893
        network_extralibs="-lsocket"
1894
        objformat="coff"
1895
        enable dos_paths
1896
        ;;
1897
    linux)
1898
        enable dv1394
1899
        ;;
1900
    irix*)
1901
        target_os=irix
1902
        ranlib="echo ignoring ranlib"
1903
        ;;
1904
    os/2*)
1905
        strip="lxlite"
1906
        ln_s="cp -f"
1907
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1908
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1909
        FFSERVERLDFLAGS=""
1910
        LIBSUF="_s.a"
1911
        SLIBPREF=""
1912
        SLIBSUF=".dll"
1913
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1914
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1915
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1916
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1917
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1918
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1919
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1920
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1921
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1922
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1923
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1924
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1925
        enable dos_paths
1926
        ;;
1927
    gnu/kfreebsd)
1928
        ;;
1929
    gnu)
1930
        ;;
1931

    
1932
    *)
1933
        die "Unknown OS '$target_os'."
1934
        ;;
1935
esac
1936

    
1937
set_default $PATHS_LIST
1938

    
1939
add_extralibs $osextralibs
1940

    
1941
# Combine FFLDFLAGS and the LDFLAGS environment variable.
1942
LDFLAGS="$FFLDFLAGS $LDFLAGS"
1943

    
1944
# we need to build at least one lib type
1945
if ! enabled_any static shared; then
1946
    cat <<EOF
1947
At least one library type must be built.
1948
Specify --enable-static to build the static libraries or --enable-shared to
1949
build the shared libraries as well. To only build the shared libraries specify
1950
--disable-static in addition to --enable-shared.
1951
EOF
1952
    exit 1;
1953
fi
1954

    
1955
disabled static && LIBNAME=""
1956

    
1957
if enabled_any libfaad libfaadbin ; then
1958
    if check_header faad.h; then
1959
        check_cc <<EOF
1960
#include <faad.h>
1961
#ifndef FAAD2_VERSION
1962
ok faad1
1963
#endif
1964
int main(void) { return 0; }
1965
EOF
1966
        test $? = 0 && enable libfaad2
1967
    else
1968
        die "FAAD test failed."
1969
    fi
1970
fi
1971

    
1972

    
1973
die_license_disabled() {
1974
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
1975
}
1976

    
1977
die_license_disabled gpl libfaad2
1978
die_license_disabled gpl libx264
1979
die_license_disabled gpl libxvid
1980
die_license_disabled gpl postproc
1981
die_license_disabled gpl x11grab
1982

    
1983
die_license_disabled nonfree libfaac
1984

    
1985
die_license_disabled version3 libopencore_amrnb
1986
die_license_disabled version3 libopencore_amrwb
1987

    
1988
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
1989

    
1990
check_deps $ARCH_EXT_LIST
1991

    
1992
disabled optimizations || check_cflags -fomit-frame-pointer
1993

    
1994
check_cc <<EOF || die "Symbol mangling check failed."
1995
int ff_extern;
1996
EOF
1997
sym=$($nm -P -g $TMPO | grep ff_extern)
1998
extern_prefix=${sym%%ff_extern*}
1999

    
2000
check_cc <<EOF && enable inline_asm
2001
void foo(void) { __asm__ volatile ("" ::); }
2002
EOF
2003

    
2004
_restrict=
2005
for restrict_keyword in restrict __restrict__ __restrict; do
2006
    check_cc <<EOF && _restrict=$restrict_keyword && break
2007
void foo(char * $restrict_keyword p);
2008
EOF
2009
done
2010

    
2011
check_cc <<EOF && enable attribute_packed
2012
struct { int x; } __attribute__((packed)) x;
2013
EOF
2014

    
2015
check_cc <<EOF || die "endian test failed"
2016
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2017
EOF
2018
od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2019

    
2020
if enabled arm; then
2021

    
2022
    check_ld <<EOF && enable vfp_args
2023
__asm__ (".eabi_attribute 28, 1");
2024
int main(void) { return 0; }
2025
EOF
2026

    
2027
    # We have to check if pld is a nop and disable it.
2028
    check_asm pld '"pld [r0]"'
2029

    
2030
    enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2031
    enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2032
    enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2033
    enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2034
    enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2035
    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2036

    
2037
elif enabled mips; then
2038

    
2039
    check_asm loongson '"dmult.g $1, $2, $3"'
2040
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2041

    
2042
elif enabled ppc; then
2043

    
2044
    check_asm dcbzl     '"dcbzl 0, 1"'
2045
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2046
    check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
2047

    
2048
    # AltiVec flags: The FSF version of GCC differs from the Apple version
2049
    if enabled altivec; then
2050
        check_cflags -maltivec -mabi=altivec &&
2051
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2052
        check_cflags -faltivec
2053

    
2054
        # check if our compiler supports Motorola AltiVec C API
2055
        check_cc <<EOF || disable altivec
2056
$inc_altivec_h
2057
int main(void) {
2058
    vector signed int v1, v2, v3;
2059
    v1 = vec_add(v2,v3);
2060
    return 0;
2061
}
2062
EOF
2063

    
2064
        # check if our compiler supports braces for vector declarations
2065
        check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2066
$inc_altivec_h
2067
int main (void) { (vector int) {1}; return 0; }
2068
EOF
2069
    fi
2070

    
2071
elif enabled sparc; then
2072

    
2073
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2074
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2075

    
2076
elif enabled x86; then
2077

    
2078
    # check whether EBP is available on x86
2079
    # As 'i' is stored on the stack, this program will crash
2080
    # if the base pointer is used to access it because the
2081
    # base pointer is cleared in the inline assembly code.
2082
    check_exec_crash <<EOF && enable ebp_available
2083
    volatile int i=0;
2084
    __asm__ volatile (
2085
        "xorl %%ebp, %%ebp"
2086
    ::: "%ebp");
2087
    return i;
2088
EOF
2089

    
2090
    # check wether EBX is available on x86
2091
    check_asm ebx_available '"":::"%ebx"'
2092

    
2093
    # check whether more than 10 operands are supported
2094
    check_cc <<EOF && enable ten_operands
2095
int main(void) {
2096
    int x=0;
2097
    __asm__ volatile(
2098
        ""
2099
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2100
    );
2101
    return 0;
2102
}
2103
EOF
2104

    
2105
    # check whether binutils is new enough to compile SSSE3/MMX2
2106
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2107
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2108

    
2109
    check_asm bswap '"bswap %%eax" ::: "%eax"'
2110

    
2111
    YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2112
    enabled     x86_64        && append YASMFLAGS "-m amd64"
2113
    enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
2114
    case "$objformat" in
2115
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2116
        macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
2117
        *)                    append YASMFLAGS "-DPREFIX"  ;;
2118
    esac
2119
    disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2120

    
2121
fi
2122

    
2123
if check_func dlopen; then
2124
    ldl=
2125
elif check_func dlopen -ldl; then
2126
    ldl=-ldl
2127
fi
2128

    
2129
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2130
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2131

    
2132
check_func  fork
2133
check_func  gethrtime
2134
check_func  getrusage
2135
check_func  inet_aton $network_extralibs
2136
check_func  isatty
2137
check_func  memalign
2138
check_func  mkstemp
2139
check_func  posix_memalign
2140
check_func_headers io.h setmode
2141
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2142
check_func_headers windows.h GetProcessTimes
2143
check_func_headers windows.h VirtualAlloc
2144

    
2145
check_header conio.h
2146
check_header dlfcn.h
2147
check_header malloc.h
2148
check_header poll.h
2149
check_header sys/mman.h
2150
check_header sys/resource.h
2151
check_header sys/select.h
2152
check_header termios.h
2153
check_header vdpau/vdpau.h
2154
check_header vdpau/vdpau_x11.h
2155
check_header X11/extensions/XvMClib.h
2156

    
2157
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2158
     enabled_any $need_memalign ; then
2159
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2160
fi
2161

    
2162
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2163
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2164

    
2165
# check for some common methods of building with pthread support
2166
# do this before the optional library checks as some of them require pthreads
2167
if enabled pthreads; then
2168
    if check_func pthread_create; then
2169
        :
2170
    elif check_func pthread_create -pthread; then
2171
        add_cflags -pthread
2172
        add_extralibs -pthread
2173
    elif check_func pthread_create -pthreads; then
2174
        add_cflags -pthreads
2175
        add_extralibs -pthreads
2176
    elif check_func pthread_create -lpthreadGC2; then
2177
        add_extralibs -lpthreadGC2
2178
    elif ! check_lib pthread.h pthread_create -lpthread; then
2179
        die "ERROR: can't find pthreads library"
2180
    fi
2181
fi
2182

    
2183
for thread in $THREADS_LIST; do
2184
    if enabled $thread; then
2185
        test -n "$thread_type" &&
2186
            die "ERROR: Only one thread type must be selected." ||
2187
            thread_type="$thread"
2188
    fi
2189
done
2190

    
2191
check_lib math.h sin -lm
2192
check_lib va/va.h vaInitialize -lva
2193

    
2194
check_func llrint
2195
check_func log2
2196
check_func lrint
2197
check_func lrintf
2198
check_func round
2199
check_func roundf
2200
check_func truncf
2201

    
2202
# these are off by default, so fail if requested and not available
2203
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2204
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2205
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2206
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
2207
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2208
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2209
enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
2210
enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2211
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2212
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2213
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2214
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2215
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2216
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2217
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2218
enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
2219
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2220
enabled libx264    && require  libx264 x264.h x264_encoder_open -lx264 -lm &&
2221
                      { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2222
                        die "ERROR: libx264 version must be >= 0.65."; }
2223
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2224
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2225

    
2226
# libdc1394 check
2227
if enabled libdc1394; then
2228
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2229
        enable libdc1394_2; } ||
2230
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2231
        enable libdc1394_1; } ||
2232
    die "ERROR: No version of libdc1394 found "
2233
fi
2234

    
2235
disable sdl_too_old
2236
disable sdl
2237
SDL_CONFIG="${cross_prefix}sdl-config"
2238
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2239
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2240
    temp_cflags $sdl_cflags
2241
    temp_extralibs $("${SDL_CONFIG}" --libs)
2242
    if check_lib2 SDL.h SDL_Init; then
2243
        _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2244
        if test "$_sdlversion" -lt 121 ; then
2245
            enable sdl_too_old
2246
        else
2247
            enable sdl
2248
            check_cc $sdl_cflags <<EOF && enable sdl_video_size
2249
#include <SDL.h>
2250
int main(int argc, char **argv){
2251
    const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2252
    int w = vi->current_w;
2253
    return 0;
2254
}
2255
EOF
2256
        fi
2257
    fi
2258
    restore_flags
2259
fi
2260

    
2261
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2262

    
2263
if enabled network; then
2264
    check_type "sys/types.h sys/socket.h" socklen_t
2265
    # Prefer arpa/inet.h over winsock2
2266
    if check_header arpa/inet.h ; then
2267
        check_func closesocket
2268
    elif check_header winsock2.h ; then
2269
        check_func_headers winsock2.h closesocket -lws2 && \
2270
            network_extralibs="-lws2" || \
2271
        { check_func_headers winsock2.h closesocket -lws2_32 && \
2272
            network_extralibs="-lws2_32"; }
2273
        check_type ws2tcpip.h socklen_t
2274
    else
2275
        disable network
2276
    fi
2277
fi
2278

    
2279
enabled_all network ipv6 && check_ld <<EOF || disable ipv6
2280
#include <sys/types.h>
2281
#include <sys/socket.h>
2282
#include <netinet/in.h>
2283
#include <netdb.h>
2284
int main(void) {
2285
    struct sockaddr_storage saddr;
2286
    struct ipv6_mreq mreq6;
2287
    getaddrinfo(0,0,0,0);
2288
    getnameinfo(0,0,0,0,0,0,0);
2289
    IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2290
}
2291
EOF
2292

    
2293
check_header linux/videodev.h
2294
check_header linux/videodev2.h
2295
check_header sys/videoio.h
2296

    
2297
check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2298

    
2299
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2300
{ check_header dev/bktr/ioctl_meteor.h &&
2301
  check_header dev/bktr/ioctl_bt848.h; } ||
2302
{ check_header machine/ioctl_meteor.h &&
2303
  check_header machine/ioctl_bt848.h; } ||
2304
{ check_header dev/video/meteor/ioctl_meteor.h &&
2305
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2306
check_header dev/ic/bt8xx.h
2307

    
2308
check_header sys/soundcard.h
2309
check_header soundcard.h
2310

    
2311
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2312

    
2313
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2314

    
2315
enabled x11grab                         &&
2316
check_header X11/Xlib.h                 &&
2317
check_header X11/extensions/XShm.h      &&
2318
check_func XOpenDisplay -lX11           &&
2319
check_func XShmCreateImage -lX11 -lXext
2320

    
2321
enabled debug && add_cflags -g"$debuglevel"
2322

    
2323
# add some useful compiler flags if supported
2324
check_cflags -Wdeclaration-after-statement
2325
check_cflags -Wall
2326
check_cflags -Wno-switch
2327
check_cflags -Wdisabled-optimization
2328
check_cflags -Wpointer-arith
2329
check_cflags -Wredundant-decls
2330
check_cflags -Wno-pointer-sign
2331
check_cflags -Wcast-qual
2332
check_cflags -Wwrite-strings
2333
check_cflags -Wtype-limits
2334
check_cflags -Wundef
2335
enabled extra_warnings && check_cflags -Winline
2336

    
2337
# add some linker flags
2338
check_ldflags -Wl,--warn-common
2339
check_ldflags -Wl,--as-needed
2340
check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
2341
check_ldflags -Wl,-Bsymbolic
2342

    
2343
if enabled small; then
2344
    check_cflags -Os            # not all compilers support -Os
2345
    optimizations="small"
2346
elif enabled optimizations; then
2347
    if enabled xlc; then
2348
        add_cflags  -O5
2349
        add_ldflags -O5
2350
    elif enabled ccc; then
2351
        add_cflags -fast
2352
    else
2353
        add_cflags -O3
2354
    fi
2355
fi
2356
check_cflags -fno-math-errno
2357
check_cflags -fno-signed-zeros
2358

    
2359
if enabled icc; then
2360
    # Just warnings, no remarks
2361
    check_cflags -w1
2362
    # -wd: Disable following warnings
2363
    # 144, 167, 556: -Wno-pointer-sign
2364
    # 10006: ignoring unknown option -fno-signed-zeros
2365
    # 10156: ignoring option '-W'; no argument required
2366
    check_cflags -wd144,167,556,10006,10156
2367
    # 11030: Warning unknown option --as-needed
2368
    # 10156: ignoring option '-export'; no argument required
2369
    check_ldflags -wd10156,11030
2370
    # Allow to compile with optimizations
2371
    check_ldflags -march=$cpu
2372
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2373
    enable ebp_available
2374
elif enabled ccc; then
2375
    # disable some annoying warnings
2376
    add_cflags -msg_disable cvtu32to64
2377
    add_cflags -msg_disable embedcomment
2378
    add_cflags -msg_disable needconstext
2379
    add_cflags -msg_disable nomainieee
2380
    add_cflags -msg_disable ptrmismatch1
2381
    add_cflags -msg_disable unreachcode
2382
elif enabled gcc; then
2383
    check_cflags -fno-tree-vectorize
2384
fi
2385

    
2386
enabled pic && LIBOBJFLAGS='$(PIC)'
2387

    
2388
if enabled gprof; then
2389
    add_cflags  -p
2390
    add_ldflags -p
2391
fi
2392

    
2393
# Find out if the .align argument is a power of two or not.
2394
check_asm asmalign_pot '".align 3"'
2395

    
2396
enabled_any $DECODER_LIST      && enable decoders
2397
enabled_any $ENCODER_LIST      && enable encoders
2398
enabled_any $HWACCEL_LIST      && enable hwaccels
2399
enabled_any $BSF_LIST          && enable bsfs
2400
enabled_any $DEMUXER_LIST      && enable demuxers
2401
enabled_any $MUXER_LIST        && enable muxers
2402
enabled_any $FILTER_LIST       && enable filters
2403
enabled_any $INDEV_LIST        && enable indevs
2404
enabled_any $OUTDEV_LIST       && enable outdevs
2405
enabled_any $PROTOCOL_LIST     && enable protocols
2406

    
2407
enabled_any $THREADS_LIST      && enable threads
2408

    
2409
check_deps $CONFIG_LIST       \
2410
           $CONFIG_EXTRA      \
2411
           $HAVE_LIST         \
2412
           $DECODER_LIST      \
2413
           $ENCODER_LIST      \
2414
           $HWACCEL_LIST      \
2415
           $PARSER_LIST       \
2416
           $BSF_LIST          \
2417
           $DEMUXER_LIST      \
2418
           $MUXER_LIST        \
2419
           $FILTER_LIST       \
2420
           $INDEV_LIST        \
2421
           $OUTDEV_LIST       \
2422
           $PROTOCOL_LIST     \
2423

    
2424
echo "install prefix            $prefix"
2425
echo "source path               $source_path"
2426
echo "C compiler                $cc"
2427
echo ".align is power-of-two    $asmalign_pot"
2428
echo "ARCH                      $arch ($cpu)"
2429
if test "$build_suffix" != ""; then
2430
    echo "build suffix              $build_suffix"
2431
fi
2432
if test "$extra_version" != ""; then
2433
    echo "version string suffix     $extra_version"
2434
fi
2435
echo "big-endian                ${bigendian-no}"
2436
echo "runtime cpu detection     ${runtime_cpudetect-no}"
2437
if enabled x86; then
2438
    echo "yasm                      ${yasm-no}"
2439
    echo "MMX enabled               ${mmx-no}"
2440
    echo "MMX2 enabled              ${mmx2-no}"
2441
    echo "3DNow! enabled            ${amd3dnow-no}"
2442
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
2443
    echo "SSE enabled               ${sse-no}"
2444
    echo "SSSE3 enabled             ${ssse3-no}"
2445
    echo "CMOV enabled              ${cmov-no}"
2446
    echo "CMOV is fast              ${fast_cmov-no}"
2447
    echo "EBX available             ${ebx_available-no}"
2448
    echo "EBP available             ${ebp_available-no}"
2449
    echo "10 operands supported     ${ten_operands-no}"
2450
fi
2451
if enabled arm; then
2452
    echo "ARMv5TE enabled           ${armv5te-no}"
2453
    echo "ARMv6 enabled             ${armv6-no}"
2454
    echo "ARMv6T2 enabled           ${armv6t2-no}"
2455
    echo "ARM VFP enabled           ${armvfp-no}"
2456
    echo "IWMMXT enabled            ${iwmmxt-no}"
2457
    echo "NEON enabled              ${neon-no}"
2458
fi
2459
if enabled mips; then
2460
    echo "MMI enabled               ${mmi-no}"
2461
fi
2462
if enabled ppc; then
2463
    echo "AltiVec enabled           ${altivec-no}"
2464
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
2465
    echo "dcbzl available           ${dcbzl-no}"
2466
    echo "performance report        ${powerpc_perf-no}"
2467
fi
2468
if enabled sparc; then
2469
    echo "VIS enabled               ${vis-no}"
2470
fi
2471
echo "gprof enabled             ${gprof-no}"
2472
echo "debug symbols             ${debug-no}"
2473
echo "strip symbols             ${stripping-no}"
2474
echo "optimizations             ${optimizations-no}"
2475
echo "static                    ${static-no}"
2476
echo "shared                    ${shared-no}"
2477
echo "postprocessing support    ${postproc-no}"
2478
echo "new filter support        ${avfilter-no}"
2479
echo "filters using lavformat   ${avfilter_lavf-no}"
2480
echo "network support           ${network-no}"
2481
if enabled network; then
2482
    echo "IPv6 support              ${ipv6-no}"
2483
fi
2484
echo "threading support         ${thread_type-no}"
2485
echo "SDL support               ${sdl-no}"
2486
if enabled sdl_too_old; then
2487
    echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2488
fi
2489
echo "Sun medialib support      ${mlib-no}"
2490
echo "AVISynth enabled          ${avisynth-no}"
2491
echo "libdc1394 support         ${libdc1394-no}"
2492
echo "libdirac enabled          ${libdirac-no}"
2493
echo "libfaac enabled           ${libfaac-no}"
2494
echo "libfaad enabled           ${libfaad-no}"
2495
echo "libfaad dlopened          ${libfaadbin-no}"
2496
echo "libgsm enabled            ${libgsm-no}"
2497
echo "libmp3lame enabled        ${libmp3lame-no}"
2498
echo "libnut enabled            ${libnut-no}"
2499
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2500
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2501
echo "libopenjpeg enabled       ${libopenjpeg-no}"
2502
echo "libschroedinger enabled   ${libschroedinger-no}"
2503
echo "libspeex enabled          ${libspeex-no}"
2504
echo "libtheora enabled         ${libtheora-no}"
2505
echo "libvorbis enabled         ${libvorbis-no}"
2506
echo "libx264 enabled           ${libx264-no}"
2507
echo "libxvid enabled           ${libxvid-no}"
2508
echo "zlib enabled              ${zlib-no}"
2509
echo "bzlib enabled             ${bzlib-no}"
2510
echo
2511

    
2512
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2513
    echo "Enabled ${type}s:"
2514
    eval list=\$$(toupper $type)_LIST
2515
    for part in $list; do
2516
        enabled $part && echo ${part%_*}
2517
    done | sort | pr -3 -t
2518
    echo
2519
done
2520

    
2521
license="LGPL version 2.1 or later"
2522
if enabled nonfree; then
2523
    license="nonfree and unredistributable"
2524
elif enabled gplv3; then
2525
    license="GPL version 3 or later"
2526
elif enabled lgplv3; then
2527
    license="LGPL version 3 or later"
2528
elif enabled gpl; then
2529
    license="GPL version 2 or later"
2530
fi
2531

    
2532
echo "License: $license"
2533

    
2534
echo "Creating config.mak and config.h..."
2535

    
2536
echo "# Automatically generated by configure - do not modify!" > config.mak
2537
echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2538
echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2539
echo "#define FFMPEG_CONFIG_H" >> $TMPH
2540
echo "#define FFMPEG_CONFIGURATION \"$(c_escape $FFMPEG_CONFIGURATION)\"" >> $TMPH
2541
echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2542

    
2543
echo "ifndef FFMPEG_CONFIG_MAK" >> config.mak
2544
echo "FFMPEG_CONFIG_MAK=1" >> config.mak
2545

    
2546
echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2547
echo "prefix=$prefix" >> config.mak
2548
echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2549
echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2550
echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2551
echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2552
echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2553
echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2554
echo "SRC_PATH=\"$source_path\"" >> config.mak
2555
echo "SRC_PATH_BARE=$source_path" >> config.mak
2556
echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2557
echo "CC=$cc" >> config.mak
2558
echo "AS=$as" >> config.mak
2559
echo "LD=$ld" >> config.mak
2560
echo "DEPCC=$dep_cc" >> config.mak
2561
echo "YASM=$yasmexe" >> config.mak
2562
echo "AR=$ar" >> config.mak
2563
echo "RANLIB=$ranlib" >> config.mak
2564
echo "LN_S=$ln_s" >> config.mak
2565
enabled stripping &&
2566
    echo "STRIP=$strip" >> config.mak ||
2567
    echo "STRIP=echo ignoring strip" >> config.mak
2568

    
2569
echo "CPPFLAGS=$CPPFLAGS" >> config.mak
2570
echo "CFLAGS=$CFLAGS" >> config.mak
2571
echo "ASFLAGS=$ASFLAGS" >> config.mak
2572
echo "CC_O=$CC_O" >> config.mak
2573
echo "LDFLAGS=$LDFLAGS" >> config.mak
2574
echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2575
echo "SHFLAGS=$SHFLAGS" >> config.mak
2576
echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2577
echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2578
echo "PIC=-fPIC -DPIC" >> config.mak
2579
echo "BUILDSUF=$build_suffix" >> config.mak
2580
echo "FULLNAME=$FULLNAME" >> config.mak
2581
echo "LIBPREF=$LIBPREF" >> config.mak
2582
echo "LIBSUF=$LIBSUF" >> config.mak
2583
echo "LIBNAME=$LIBNAME" >> config.mak
2584
echo "SLIBPREF=$SLIBPREF" >> config.mak
2585
echo "SLIBSUF=$SLIBSUF" >> config.mak
2586
echo "EXESUF=$EXESUF" >> config.mak
2587
echo "EXTRA_VERSION=$extra_version" >> config.mak
2588
echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2589
echo "DEPFLAGS=$DEPFLAGS" >> config.mak
2590
echo "HOSTCC=$host_cc" >> config.mak
2591
echo "HOSTCFLAGS=$host_cflags" >> config.mak
2592
echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2593
echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2594
echo "HOSTLIBS=$host_libs" >> config.mak
2595
echo "TARGET_EXEC=$target_exec" >> config.mak
2596
echo "TARGET_PATH=$target_path" >> config.mak
2597

    
2598
if enabled sdl; then
2599
    echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2600
    echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
2601
fi
2602
if enabled texi2html; then
2603
    echo "BUILD_DOC=yes" >> config.mak
2604
fi
2605

    
2606
get_version(){
2607
    name=$1
2608
    file=$source_path/$2
2609
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2610
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2611
    lcname=$(tolower $name)
2612
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2613
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2614
}
2615

    
2616
get_version LIBSWSCALE  libswscale/swscale.h
2617
get_version LIBPOSTPROC libpostproc/postprocess.h
2618
get_version LIBAVCODEC  libavcodec/avcodec.h
2619
get_version LIBAVDEVICE libavdevice/avdevice.h
2620
get_version LIBAVFORMAT libavformat/avformat.h
2621
get_version LIBAVUTIL   libavutil/avutil.h
2622
get_version LIBAVFILTER libavfilter/avfilter.h
2623

    
2624
if enabled shared; then
2625
    echo "LIBTARGET=${LIBTARGET}" >> config.mak
2626
    echo "SLIBNAME=${SLIBNAME}" >> config.mak
2627
    echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2628
    echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2629
    echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2630
    echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2631
    echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2632
    echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2633
fi
2634
echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2635
echo "EXTRALIBS=$extralibs" >> config.mak
2636

    
2637
echo "ARCH=$arch" >> config.mak
2638

    
2639
print_config ARCH_   $TMPH config.mak $ARCH_LIST
2640
print_config HAVE_   $TMPH config.mak $HAVE_LIST
2641
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2642
                                      $CONFIG_EXTRA      \
2643
                                      $DECODER_LIST      \
2644
                                      $ENCODER_LIST      \
2645
                                      $HWACCEL_LIST      \
2646
                                      $PARSER_LIST       \
2647
                                      $BSF_LIST          \
2648
                                      $DEMUXER_LIST      \
2649
                                      $MUXER_LIST        \
2650
                                      $FILTER_LIST       \
2651
                                      $PROTOCOL_LIST     \
2652
                                      $INDEV_LIST        \
2653
                                      $OUTDEV_LIST       \
2654

    
2655
echo "#define restrict $_restrict" >> $TMPH
2656

    
2657
if enabled small; then
2658
    echo "#define av_always_inline"  >> $TMPH
2659
fi
2660

    
2661

    
2662
# Apparently it's not possible to portably echo a backslash.
2663
enabled asmalign_pot &&
2664
    printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2665
    printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2666

    
2667
echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2668

    
2669
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2670
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
2671

    
2672
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2673
cmp -s $TMPH config.h &&
2674
    echo "config.h is unchanged" ||
2675
    mv -f $TMPH config.h
2676

    
2677
# build tree in object directory if source path is different from current one
2678
if enabled source_path_used; then
2679
    DIRS="\
2680
        doc               \
2681
        libavcodec        \
2682
        libavcodec/alpha  \
2683
        libavcodec/arm    \
2684
        libavcodec/bfin   \
2685
        libavcodec/mlib   \
2686
        libavcodec/ppc    \
2687
        libavcodec/sh4    \
2688
        libavcodec/sparc  \
2689
        libavcodec/x86    \
2690
        libavdevice       \
2691
        libavfilter       \
2692
        libavformat       \
2693
        libavutil         \
2694
        libpostproc       \
2695
        libswscale        \
2696
        libswscale/bfin   \
2697
        libswscale/mlib   \
2698
        libswscale/ppc    \
2699
        libswscale/sparc  \
2700
        libswscale/x86    \
2701
        tests             \
2702
        tools             \
2703
        "
2704
    FILES="\
2705
        Makefile             \
2706
        common.mak           \
2707
        subdir.mak           \
2708
        doc/texi2pod.pl      \
2709
        libavcodec/Makefile  \
2710
        libavdevice/Makefile \
2711
        libavfilter/Makefile \
2712
        libavformat/Makefile \
2713
        libavutil/Makefile   \
2714
        libpostproc/Makefile \
2715
        libswscale/Makefile  \
2716
        "
2717
    for dir in $DIRS ; do
2718
        mkdir -p $dir
2719
    done
2720
    for f in $FILES ; do
2721
        $ln_s "$source_path/$f" $f
2722
    done
2723
fi
2724

    
2725

    
2726
# build pkg-config files
2727

    
2728
pkgconfig_generate(){
2729
name=$1
2730
shortname=${name#lib}${build_suffix}
2731
comment=$2
2732
version=$3
2733
libs=$4
2734
requires=$5
2735
cat <<EOF > $name/$name.pc
2736
prefix=$prefix
2737
exec_prefix=\${prefix}
2738
libdir=$libdir
2739
includedir=$incdir
2740

    
2741
Name: $name
2742
Description: $comment
2743
Version: $version
2744
Requires: $(disabled shared && echo $requires)
2745
Requires.private: $(enabled shared && echo $requires)
2746
Conflicts:
2747
Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2748
Libs.private: $(enabled shared && echo $libs)
2749
Cflags: -I\${includedir}
2750
EOF
2751
cat <<EOF > $name/$name-uninstalled.pc
2752
prefix=
2753
exec_prefix=
2754
libdir=\${pcfiledir}
2755
includedir=${source_path}
2756

    
2757
Name: $name
2758
Description: $comment
2759
Version: $version
2760
Requires: $requires
2761
Conflicts:
2762
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2763
Cflags: -I\${includedir}
2764
EOF
2765
}
2766

    
2767
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2768
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2769
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2770
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2771
enabled avfilter &&
2772
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2773
enabled postproc &&
2774
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2775
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"