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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"
196
  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)"
208
  echo "  --disable-altivec        disable AltiVec optimizations"
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  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"
222
  echo "  --disable-vis            disable VIS optimizations"
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  echo "  --disable-yasm           disable use of yasm assembler"
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  echo "  --enable-pic             build position-independent code"
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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 [$debuglevel]"
229
  echo "  --enable-gprof           enable profiling with gprof [$gprof]"
230
  echo "  --disable-optimizations  disable compiler optimizations"
231
  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 ""
234
  echo "NOTE: Object files are built at the place where configure is launched."
235
  exit 0
236
}
237

    
238
log(){
239
    echo "$@" >> $logfile
240
}
241

    
242
log_file(){
243
    log BEGIN $1
244
    pr -n -t $1 >> $logfile
245
    log END $1
246
}
247

    
248
echolog(){
249
    log "$@"
250
    echo "$@"
251
}
252

    
253
die(){
254
    echolog "$@"
255
    cat <<EOF
256

    
257
If you think configure made a mistake, make sure you are using the latest
258
version from SVN.  If the latest version fails, report the problem to the
259
ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
260
EOF
261
    if disabled logging; then
262
        cat <<EOF
263
Rerun configure with logging enabled (do not use --disable-logging), and
264
include the log this produces with your report.
265
EOF
266
    else
267
cat <<EOF
268
Include the log file "$logfile" produced by configure as this will help
269
solving the problem.
270
EOF
271
    fi
272
    exit 1
273
}
274

    
275
# Avoid locale weirdness, besides we really just want to translate ASCII.
276
toupper(){
277
    echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
278
}
279

    
280
tolower(){
281
    echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
282
}
283

    
284
c_escape(){
285
    echo "$*" | sed 's/["\\]/\\\0/g'
286
}
287

    
288
sh_quote(){
289
    v=$(echo "$1" | sed "s/'/'\\\\''/g")
290
    test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
291
    echo "$v"
292
}
293

    
294
filter(){
295
    pat=$1
296
    shift
297
    for v; do
298
        eval "case $v in $pat) echo $v ;; esac"
299
    done
300
}
301

    
302
set_all(){
303
    value=$1
304
    shift
305
    for var in $*; do
306
        eval $var=$value
307
    done
308
}
309

    
310
set_weak(){
311
    value=$1
312
    shift
313
    for var; do
314
        eval : \${$var:=$value}
315
    done
316
}
317

    
318
pushvar(){
319
    for var in $*; do
320
        eval level=\${${var}_level:=0}
321
        eval ${var}_${level}="\$$var"
322
        eval ${var}_level=$(($level+1))
323
    done
324
}
325

    
326
popvar(){
327
    for var in $*; do
328
        eval level=\${${var}_level:-0}
329
        test $level = 0 && continue
330
        eval level=$(($level-1))
331
        eval $var="\${${var}_${level}}"
332
        eval ${var}_level=$level
333
        eval unset ${var}_${level}
334
    done
335
}
336

    
337
enable(){
338
    set_all yes $*
339
}
340

    
341
disable(){
342
    set_all no $*
343
}
344

    
345
enable_weak(){
346
    set_weak yes $*
347
}
348

    
349
disable_weak(){
350
    set_weak no $*
351
}
352

    
353
enable_safe(){
354
    enable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
355
}
356

    
357
disable_safe(){
358
    disable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
359
}
360

    
361
do_enable_deep(){
362
    for var; do
363
        enabled $var && continue
364
        eval sel="\$${var}_select"
365
        eval sgs="\$${var}_suggest"
366
        pushvar var sgs
367
        enable_deep $sel
368
        popvar sgs
369
        enable_deep_weak $sgs
370
        popvar var
371
    done
372
}
373

    
374
enable_deep(){
375
    do_enable_deep $*
376
    enable $*
377
}
378

    
379
enable_deep_weak(){
380
    do_enable_deep $*
381
    enable_weak $*
382
}
383

    
384
enabled(){
385
    test "${1#!}" = "$1" && op== || op=!=
386
    eval test "x\$${1#!}" $op "xyes"
387
}
388

    
389
disabled(){
390
    test "${1#!}" = "$1" && op== || op=!=
391
    eval test "x\$${1#!}" $op "xno"
392
}
393

    
394
enabled_all(){
395
    for opt; do
396
        enabled $opt || return 1
397
    done
398
}
399

    
400
disabled_all(){
401
    for opt; do
402
        disabled $opt || return 1
403
    done
404
}
405

    
406
enabled_any(){
407
    for opt; do
408
        enabled $opt && return 0
409
    done
410
}
411

    
412
disabled_any(){
413
    for opt; do
414
        disabled $opt && return 0
415
    done
416
    return 1
417
}
418

    
419
set_default(){
420
    for opt; do
421
        eval : \${$opt:=\$${opt}_default}
422
    done
423
}
424

    
425
is_in(){
426
    value=$1
427
    shift
428
    for var in $*; do
429
        [ $var = $value ] && return 0
430
    done
431
    return 1
432
}
433

    
434
check_deps(){
435
    for cfg; do
436
        cfg="${cfg#!}"
437
        enabled ${cfg}_checking && die "Circular dependency for $cfg."
438
        disabled ${cfg}_checking && continue
439
        enable ${cfg}_checking
440

    
441
        eval dep_all="\$${cfg}_deps"
442
        eval dep_any="\$${cfg}_deps_any"
443
        eval dep_sel="\$${cfg}_select"
444
        eval dep_sgs="\$${cfg}_suggest"
445

    
446
        pushvar cfg dep_all dep_any dep_sel dep_sgs
447
        check_deps $dep_all $dep_any $dep_sel $dep_sgs
448
        popvar cfg dep_all dep_any dep_sel dep_sgs
449

    
450
        enabled_all  $dep_all || disable $cfg
451
        enabled_any  $dep_any || disable $cfg
452
        disabled_any $dep_sel && disable $cfg
453

    
454
        if enabled $cfg; then
455
            eval dep_extralibs="\$${cfg}_extralibs"
456
            test -n "$dep_extralibs" && add_extralibs $dep_extralibs
457
            enable_deep $dep_sel
458
            enable_deep_weak $dep_sgs
459
        fi
460

    
461
        disable ${cfg}_checking
462
    done
463
}
464

    
465
print_config(){
466
    pfx=$1
467
    header=$2
468
    makefile=$3
469
    shift 3
470
    for cfg; do
471
        ucname="$(toupper $cfg)"
472
        if enabled $cfg; then
473
            echo "#define ${pfx}${ucname} 1" >> $header
474
            echo "${pfx}${ucname}=yes" >> $makefile
475
        else
476
            echo "#define ${pfx}${ucname} 0" >> $header
477
        fi
478
    done
479
}
480

    
481
flags_saved(){
482
    (: ${SAVE_CFLAGS?}) 2> /dev/null
483
}
484

    
485
save_flags(){
486
    flags_saved && return
487
    SAVE_CFLAGS="$CFLAGS"
488
    SAVE_LDFLAGS="$LDFLAGS"
489
    SAVE_extralibs="$extralibs"
490
}
491

    
492
restore_flags(){
493
    flags_saved || return
494
    CFLAGS="$SAVE_CFLAGS"
495
    LDFLAGS="$SAVE_LDFLAGS"
496
    extralibs="$SAVE_extralibs"
497
    unset SAVE_CFLAGS
498
    unset SAVE_LDFLAGS
499
    unset SAVE_extralibs
500
}
501

    
502
temp_cflags(){
503
    save_flags
504
    CFLAGS="$CFLAGS $*"
505
}
506

    
507
temp_ldflags(){
508
    save_flags
509
    LDFLAGS="$LDFLAGS $*"
510
}
511

    
512
temp_extralibs(){
513
    save_flags
514
    extralibs="$extralibs $*"
515
}
516

    
517
append(){
518
    var=$1
519
    shift
520
    flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
521
    eval "$var=\"\$$var $*\""
522
}
523

    
524
add_cppflags(){
525
    append CPPFLAGS $($filter_cppflags "$@")
526
}
527

    
528
add_cflags(){
529
    append CFLAGS $($filter_cflags "$@")
530
}
531

    
532
add_asflags(){
533
    append ASFLAGS $($filter_asflags "$@")
534
}
535

    
536
add_ldflags(){
537
    append LDFLAGS "$@"
538
}
539

    
540
add_extralibs(){
541
    append extralibs "$@"
542
}
543

    
544
check_cmd(){
545
    log "$@"
546
    "$@" >> $logfile 2>&1
547
}
548

    
549
check_cc(){
550
    log check_cc "$@"
551
    cat > $TMPC
552
    log_file $TMPC
553
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
554
}
555

    
556
check_cpp(){
557
    log check_cpp "$@"
558
    cat > $TMPC
559
    log_file $TMPC
560
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
561
}
562

    
563
check_as(){
564
    log check_as "$@"
565
    cat > $TMPC
566
    log_file $TMPC
567
    check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
568
}
569

    
570
check_asm(){
571
    log check_asm "$@"
572
    name="$1"
573
    asm="$2"
574
    shift 2
575
    check_as "$@" <<EOF && enable $name || disable $name
576
void foo(void){ __asm__ volatile($asm); }
577
EOF
578
}
579

    
580
check_yasm(){
581
    log check_yasm "$@"
582
    echo "$1" > $TMPS
583
    log_file $TMPS
584
    shift 1
585
    check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
586
}
587

    
588
check_ld(){
589
    log check_ld "$@"
590
    check_cc || return
591
    flags=''
592
    libs=''
593
    for f; do
594
        test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
595
    done
596
    check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
597
}
598

    
599
check_cppflags(){
600
    log check_cppflags "$@"
601
    set -- $($filter_cppflags "$@")
602
    check_cc "$@" <<EOF && append CPPFLAGS "$@"
603
int x;
604
EOF
605
}
606

    
607
check_cflags(){
608
    log check_cflags "$@"
609
    set -- $($filter_cflags "$@")
610
    check_cc "$@" <<EOF && append CFLAGS "$@"
611
int x;
612
EOF
613
}
614

    
615
check_ldflags(){
616
    log check_ldflags "$@"
617
    check_ld "$@" <<EOF && add_ldflags "$@"
618
int main(void){ return 0; }
619
EOF
620
}
621

    
622
check_header(){
623
    log check_header "$@"
624
    header=$1
625
    shift
626
    disable_safe $header
627
    check_cpp "$@" <<EOF && enable_safe $header
628
#include <$header>
629
int x;
630
EOF
631
}
632

    
633
check_func(){
634
    log check_func "$@"
635
    func=$1
636
    shift
637
    disable $func
638
    check_ld "$@" <<EOF && enable $func
639
extern int $func();
640
int main(void){ $func(); }
641
EOF
642
}
643

    
644
check_func_headers(){
645
    log check_func_headers "$@"
646
    headers=$1
647
    func=$2
648
    shift 2
649
    disable $func
650
    incs=""
651
    for hdr in $headers; do
652
        incs="$incs
653
#include <$hdr>"
654
    done
655
    check_ld "$@" <<EOF && enable $func && enable_safe $headers
656
$incs
657
int main(int argc, char **argv){
658
    return (long) $func;
659
}
660
EOF
661
}
662

    
663
check_cpp_condition(){
664
    log check_cpp_condition "$@"
665
    header=$1
666
    condition=$2
667
    check_cpp <<EOF
668
#include <$header>
669
#if !($condition)
670
#error "unsatisfied condition: $condition"
671
#endif
672
EOF
673
}
674

    
675
check_lib(){
676
    log check_lib "$@"
677
    header="$1"
678
    func="$2"
679
    shift 2
680
    temp_extralibs "$@"
681
    check_header $header && check_func $func && add_extralibs "$@"
682
    err=$?
683
    restore_flags
684
    return $err
685
}
686

    
687
check_lib2(){
688
    log check_lib2 "$@"
689
    headers="$1"
690
    func="$2"
691
    shift 2
692
    temp_extralibs "$@"
693
    check_func_headers "$headers" $func && add_extralibs "$@"
694
    err=$?
695
    restore_flags
696
    return $err
697
}
698

    
699
check_exec(){
700
    check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
701
}
702

    
703
check_exec_crash(){
704
    code=$(cat)
705

    
706
    # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
707
    # are safe but may not be available everywhere.  Thus we use
708
    # raise(SIGTERM) instead.  The check is run in a subshell so we
709
    # can redirect the "Terminated" message from the shell.  SIGBUS
710
    # is not defined by standard C so it is used conditionally.
711

    
712
    (check_exec "$@") >> $logfile 2>&1 <<EOF
713
#include <signal.h>
714
static void sighandler(int sig){
715
    raise(SIGTERM);
716
}
717
int main(void){
718
    signal(SIGILL, sighandler);
719
    signal(SIGFPE, sighandler);
720
    signal(SIGSEGV, sighandler);
721
#ifdef SIGBUS
722
    signal(SIGBUS, sighandler);
723
#endif
724
    { $code }
725
}
726
EOF
727
}
728

    
729
check_type(){
730
    log check_type "$@"
731
    headers=$1
732
    type=$2
733
    shift 2
734
    disable $type
735
    incs=""
736
    for hdr in $headers; do
737
        incs="$incs
738
#include <$hdr>"
739
    done
740
    check_cc "$@" <<EOF && enable $type
741
$incs
742
$type v;
743
EOF
744
}
745

    
746
require(){
747
    name="$1"
748
    header="$2"
749
    func="$3"
750
    shift 3
751
    check_lib $header $func "$@" || die "ERROR: $name not found"
752
}
753

    
754
require2(){
755
    name="$1"
756
    headers="$2"
757
    func="$3"
758
    shift 3
759
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
760
}
761

    
762
check_foo_config(){
763
    cfg=$1
764
    pkg=$2
765
    header=$3
766
    func=$4
767
    shift 4
768
    disable $cfg
769
    check_cmd ${pkg}-config --version
770
    err=$?
771
    if test "$err" = 0; then
772
        temp_cflags $(${pkg}-config --cflags)
773
        temp_extralibs $(${pkg}-config --libs)
774
        check_lib "$@" $header $func && enable $cfg
775
    fi
776
    return $err
777
}
778

    
779
apply(){
780
    file=$1
781
    shift
782
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
783
}
784

    
785
# CONFIG_LIST contains configurable options, while HAVE_LIST is for
786
# system-dependent things.
787

    
788
COMPONENT_LIST="
789
    bsfs
790
    decoders
791
    demuxers
792
    encoders
793
    filters
794
    hwaccels
795
    indevs
796
    muxers
797
    outdevs
798
    parsers
799
    protocols
800
"
801

    
802
CONFIG_LIST="
803
    $COMPONENT_LIST
804
    aandct
805
    avfilter
806
    avfilter_lavf
807
    avisynth
808
    beos_netserver
809
    bzlib
810
    fastdiv
811
    ffmpeg
812
    ffplay
813
    ffserver
814
    fft
815
    golomb
816
    gpl
817
    gprof
818
    gray
819
    hardcoded_tables
820
    ipv6
821
    libdc1394
822
    libdirac
823
    libfaac
824
    libfaad
825
    libfaadbin
826
    libgsm
827
    libmp3lame
828
    libnut
829
    libopencore_amrnb
830
    libopencore_amrwb
831
    libopenjpeg
832
    libschroedinger
833
    libspeex
834
    libtheora
835
    libvorbis
836
    libx264
837
    libxvid
838
    mdct
839
    memalign_hack
840
    mlib
841
    mpegaudio_hp
842
    network
843
    nonfree
844
    pic
845
    postproc
846
    powerpc_perf
847
    rdft
848
    runtime_cpudetect
849
    shared
850
    small
851
    static
852
    swscale_alpha
853
    vaapi
854
    vdpau
855
    version3
856
    x11grab
857
    zlib
858
"
859

    
860
THREADS_LIST='
861
    beosthreads
862
    os2threads
863
    pthreads
864
    w32threads
865
'
866

    
867
ARCH_LIST='
868
    alpha
869
    arm
870
    avr32
871
    avr32_ap
872
    avr32_uc
873
    bfin
874
    ia64
875
    m68k
876
    mips
877
    mips64
878
    parisc
879
    ppc
880
    ppc64
881
    s390
882
    sh4
883
    sparc
884
    sparc64
885
    x86
886
    x86_32
887
    x86_64
888
'
889

    
890
ARCH_EXT_LIST='
891
    altivec
892
    amd3dnow
893
    amd3dnowext
894
    armv5te
895
    armv6
896
    armv6t2
897
    armvfp
898
    iwmmxt
899
    mmi
900
    mmx
901
    mmx2
902
    neon
903
    ppc4xx
904
    sse
905
    ssse3
906
    vis
907
'
908

    
909
HAVE_LIST="
910
    $ARCH_EXT_LIST
911
    $THREADS_LIST
912
    alsa_asoundlib_h
913
    altivec_h
914
    arpa_inet_h
915
    attribute_packed
916
    bigendian
917
    bswap
918
    closesocket
919
    cmov
920
    conio_h
921
    dcbzl
922
    dev_bktr_ioctl_bt848_h
923
    dev_bktr_ioctl_meteor_h
924
    dev_ic_bt8xx_h
925
    dev_video_meteor_ioctl_meteor_h
926
    dev_video_bktr_ioctl_bt848_h
927
    dlfcn_h
928
    dlopen
929
    dos_paths
930
    ebp_available
931
    ebx_available
932
    fast_64bit
933
    fast_cmov
934
    fast_unaligned
935
    fork
936
    gethrtime
937
    GetProcessTimes
938
    getrusage
939
    inet_aton
940
    inline_asm
941
    isatty
942
    ldbrx
943
    libdc1394_1
944
    libdc1394_2
945
    llrint
946
    log2
947
    loongson
948
    lrint
949
    lrintf
950
    lzo1x_999_compress
951
    machine_ioctl_bt848_h
952
    machine_ioctl_meteor_h
953
    malloc_h
954
    memalign
955
    mkstemp
956
    pld
957
    posix_memalign
958
    round
959
    roundf
960
    sdl
961
    sdl_video_size
962
    setmode
963
    socklen_t
964
    soundcard_h
965
    poll_h
966
    sys_mman_h
967
    sys_resource_h
968
    sys_select_h
969
    sys_soundcard_h
970
    sys_videoio_h
971
    ten_operands
972
    termios_h
973
    threads
974
    truncf
975
    vfp_args
976
    VirtualAlloc
977
    winsock2_h
978
    xform_asm
979
    yasm
980
"
981

    
982
# options emitted with CONFIG_ prefix but not available on command line
983
CONFIG_EXTRA="
984
    gplv3
985
    lgplv3
986
"
987

    
988
CMDLINE_SELECT="
989
    $ARCH_EXT_LIST
990
    $CONFIG_LIST
991
    $THREADS_LIST
992
    cross_compile
993
    debug
994
    extra_warnings
995
    logging
996
    optimizations
997
    stripping
998
    yasm
999
"
1000

    
1001
PATHS_LIST='
1002
    bindir
1003
    datadir
1004
    incdir
1005
    libdir
1006
    mandir
1007
    prefix
1008
    shlibdir
1009
'
1010

    
1011
CMDLINE_SET="
1012
    $PATHS_LIST
1013
    arch
1014
    as
1015
    build_suffix
1016
    cc
1017
    cpu
1018
    cross_prefix
1019
    dep_cc
1020
    extra_version
1021
    host_cc
1022
    host_cflags
1023
    host_ldflags
1024
    host_libs
1025
    host_os
1026
    ld
1027
    logfile
1028
    nm
1029
    source_path
1030
    sysinclude
1031
    sysroot
1032
    target_exec
1033
    target_os
1034
    target_path
1035
"
1036

    
1037
CMDLINE_APPEND="
1038
    extra_cflags
1039
"
1040

    
1041
# code dependency declarations
1042

    
1043
# architecture extensions
1044
altivec_deps="ppc"
1045
amd3dnow_deps="mmx"
1046
amd3dnowext_deps="amd3dnow"
1047
armv5te_deps="arm"
1048
armv6_deps="arm"
1049
armv6t2_deps="arm"
1050
armvfp_deps="arm"
1051
iwmmxt_deps="arm"
1052
mmi_deps="mips"
1053
mmx_deps="x86"
1054
mmx2_deps="mmx"
1055
neon_deps="arm"
1056
ppc4xx_deps="ppc"
1057
sse_deps="mmx"
1058
ssse3_deps="sse"
1059
vis_deps="sparc"
1060

    
1061
need_memalign="altivec neon sse"
1062
inline_asm_deps="!tms470"
1063

    
1064
# decoders / encoders / hardware accelerators
1065
aac_decoder_select="fft mdct"
1066
aac_encoder_select="fft mdct"
1067
ac3_decoder_select="fft mdct"
1068
atrac3_decoder_select="fft mdct"
1069
cavs_decoder_select="golomb"
1070
cook_decoder_select="fft mdct"
1071
cscd_decoder_suggest="zlib"
1072
dca_decoder_select="fft mdct"
1073
dnxhd_encoder_select="aandct"
1074
dxa_decoder_select="zlib"
1075
eac3_decoder_select="ac3_decoder"
1076
eamad_decoder_select="aandct"
1077
eatgq_decoder_select="aandct"
1078
eatqi_decoder_select="aandct"
1079
ffv1_decoder_select="golomb"
1080
flac_decoder_select="golomb"
1081
flac_encoder_select="golomb"
1082
flashsv_decoder_select="zlib"
1083
flashsv_encoder_select="zlib"
1084
flv_encoder_select="h263_encoder"
1085
h261_encoder_select="aandct"
1086
h263_encoder_select="aandct"
1087
h263_vaapi_hwaccel_deps="va_va_h"
1088
h263_vaapi_hwaccel_select="vaapi h263_decoder"
1089
h263p_encoder_select="h263_encoder"
1090
h264_decoder_select="golomb"
1091
h264_vaapi_hwaccel_deps="va_va_h"
1092
h264_vaapi_hwaccel_select="vaapi"
1093
h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1094
h264_vdpau_decoder_select="vdpau h264_decoder"
1095
imc_decoder_select="fft mdct"
1096
jpegls_decoder_select="golomb"
1097
jpegls_encoder_select="golomb"
1098
ljpeg_encoder_select="aandct"
1099
loco_decoder_select="golomb"
1100
mjpeg_encoder_select="aandct"
1101
mpeg1video_encoder_select="aandct"
1102
mpeg2video_encoder_select="aandct"
1103
mpeg4_encoder_select="h263_encoder"
1104
mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1105
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1106
mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1107
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1108
mpeg2_vaapi_hwaccel_deps="va_va_h"
1109
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1110
mpeg4_vaapi_hwaccel_deps="va_va_h"
1111
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1112
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1113
mpeg_xvmc_decoder_select="mpegvideo_decoder"
1114
msmpeg4v1_encoder_select="h263_encoder"
1115
msmpeg4v2_encoder_select="h263_encoder"
1116
msmpeg4v3_encoder_select="h263_encoder"
1117
nellymoser_decoder_select="fft mdct"
1118
nellymoser_encoder_select="fft mdct"
1119
png_decoder_select="zlib"
1120
png_encoder_select="zlib"
1121
qdm2_decoder_select="fft mdct rdft"
1122
rv10_encoder_select="h263_encoder"
1123
rv20_encoder_select="h263_encoder"
1124
rv30_decoder_select="golomb"
1125
rv40_decoder_select="golomb"
1126
shorten_decoder_select="golomb"
1127
sonic_decoder_select="golomb"
1128
sonic_encoder_select="golomb"
1129
sonic_ls_encoder_select="golomb"
1130
svq3_decoder_select="golomb"
1131
svq3_decoder_suggest="zlib"
1132
theora_decoder_select="vp3_decoder"
1133
tiff_decoder_suggest="zlib"
1134
tiff_encoder_suggest="zlib"
1135
tscc_decoder_select="zlib"
1136
vc1_vaapi_hwaccel_deps="va_va_h"
1137
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1138
vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1139
vc1_vdpau_decoder_select="vdpau vc1_decoder"
1140
vorbis_decoder_select="fft mdct"
1141
vorbis_encoder_select="fft mdct"
1142
vp6a_decoder_select="vp6_decoder"
1143
vp6f_decoder_select="vp6_decoder"
1144
wmav1_decoder_select="fft mdct"
1145
wmav1_encoder_select="fft mdct"
1146
wmav2_decoder_select="fft mdct"
1147
wmav2_encoder_select="fft mdct"
1148
wmv1_encoder_select="h263_encoder"
1149
wmv2_encoder_select="h263_encoder"
1150
wmv3_decoder_select="vc1_decoder"
1151
wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1152
wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1153
zlib_decoder_select="zlib"
1154
zlib_encoder_select="zlib"
1155
zmbv_decoder_select="zlib"
1156
zmbv_encoder_select="zlib"
1157

    
1158
# parsers
1159
h264_parser_select="golomb"
1160

    
1161
# external libraries
1162
libdirac_decoder_deps="libdirac !libschroedinger"
1163
libdirac_encoder_deps="libdirac"
1164
libfaac_encoder_deps="libfaac"
1165
libfaad_decoder_deps="libfaad"
1166
libfaadbin_decoder_extralibs='$ldl'
1167
libgsm_decoder_deps="libgsm"
1168
libgsm_encoder_deps="libgsm"
1169
libgsm_ms_decoder_deps="libgsm"
1170
libgsm_ms_encoder_deps="libgsm"
1171
libmp3lame_encoder_deps="libmp3lame"
1172
libopencore_amrnb_decoder_deps="libopencore_amrnb"
1173
libopencore_amrnb_encoder_deps="libopencore_amrnb"
1174
libopencore_amrwb_decoder_deps="libopencore_amrwb"
1175
libopenjpeg_decoder_deps="libopenjpeg"
1176
libschroedinger_decoder_deps="libschroedinger"
1177
libschroedinger_encoder_deps="libschroedinger"
1178
libspeex_decoder_deps="libspeex"
1179
libtheora_encoder_deps="libtheora"
1180
libvorbis_encoder_deps="libvorbis"
1181
libx264_encoder_deps="libx264"
1182
libxvid_encoder_deps="libxvid"
1183

    
1184
# demuxers / muxers
1185
ac3_demuxer_deps="ac3_parser"
1186
asf_stream_muxer_select="asf_muxer"
1187
avisynth_demuxer_deps="avisynth"
1188
dirac_demuxer_deps="dirac_parser"
1189
ipod_muxer_select="mov_muxer"
1190
libnut_demuxer_deps="libnut"
1191
libnut_muxer_deps="libnut"
1192
matroska_audio_muxer_select="matroska_muxer"
1193
matroska_demuxer_suggest="zlib bzlib"
1194
mov_demuxer_suggest="zlib"
1195
mp3_demuxer_deps="mpegaudio_parser"
1196
mp4_muxer_select="mov_muxer"
1197
mpegtsraw_demuxer_select="mpegts_demuxer"
1198
mxf_d10_muxer_select="mxf_muxer"
1199
psp_muxer_select="mov_muxer"
1200
redir_demuxer_deps="network"
1201
rtp_muxer_deps="network rtp_protocol"
1202
rtsp_demuxer_deps="sdp_demuxer"
1203
sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1204
tg2_muxer_select="mov_muxer"
1205
tgp_muxer_select="mov_muxer"
1206
w64_demuxer_deps="wav_demuxer"
1207

    
1208
# indevs / outdevs
1209
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1210
alsa_indev_extralibs="-lasound"
1211
alsa_outdev_deps="alsa_asoundlib_h"
1212
alsa_outdev_extralibs="-lasound"
1213
audio_beos_indev_deps="audio_beos"
1214
audio_beos_indev_extralibs="-lmedia -lbe"
1215
audio_beos_outdev_deps="audio_beos"
1216
audio_beos_outdev_extralibs="-lmedia -lbe"
1217
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1218
dv1394_indev_deps="dv1394 dv_demuxer"
1219
jack_indev_deps="jack_jack_h"
1220
jack_indev_extralibs="-ljack"
1221
libdc1394_indev_deps="libdc1394"
1222
oss_indev_deps_any="soundcard_h sys_soundcard_h"
1223
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1224
v4l_indev_deps="linux_videodev_h"
1225
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1226
vfwcap_indev_deps="capCreateCaptureWindow"
1227
vfwcap_indev_extralibs="-lvfw32"
1228
x11_grab_device_indev_deps="x11grab XShmCreateImage"
1229
x11_grab_device_indev_extralibs="-lX11 -lXext"
1230

    
1231
# protocols
1232
gopher_protocol_deps="network"
1233
http_protocol_deps="network"
1234
rtmp_protocol_deps="tcp_protocol"
1235
rtp_protocol_deps="udp_protocol"
1236
tcp_protocol_deps="network"
1237
udp_protocol_deps="network"
1238

    
1239
# filters
1240
movie_filter_deps="avfilter_lavf"
1241

    
1242
# programs
1243
ffplay_deps="sdl"
1244
ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1245
ffserver_extralibs='$ldl'
1246

    
1247

    
1248
# default parameters
1249

    
1250
logfile="config.err"
1251

    
1252
# installation paths
1253
prefix_default="/usr/local"
1254
bindir_default='${prefix}/bin'
1255
datadir_default='${prefix}/share/ffmpeg'
1256
incdir_default='${prefix}/include'
1257
libdir_default='${prefix}/lib'
1258
mandir_default='${prefix}/share/man'
1259
shlibdir_default="$libdir_default"
1260

    
1261
# toolchain
1262
ar="ar"
1263
cc_default="gcc"
1264
host_cc_default="gcc"
1265
ln_s="ln -sf"
1266
nm_default="nm"
1267
objformat="elf"
1268
ranlib="ranlib"
1269
strip="strip"
1270
yasmexe="yasm"
1271

    
1272
# machine
1273
arch=$(uname -m)
1274
cpu="generic"
1275

    
1276
# OS
1277
target_os=$(tolower $(uname -s))
1278
host_os=$target_os
1279

    
1280
# configurable options
1281
enable debug
1282
enable fastdiv
1283
enable ffmpeg
1284
enable ffplay
1285
enable ffserver
1286
enable ipv6
1287
enable mpegaudio_hp
1288
enable network
1289
enable optimizations
1290
enable protocols
1291
enable static
1292
enable stripping
1293
enable swscale_alpha
1294

    
1295
# build settings
1296
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1297
FFSERVERLDFLAGS=-Wl,-E
1298
LIBPREF="lib"
1299
LIBSUF=".a"
1300
FULLNAME='$(NAME)$(BUILDSUF)'
1301
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1302
SLIBPREF="lib"
1303
SLIBSUF=".so"
1304
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1305
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1306
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1307
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1308

    
1309
CC_O='-o $@'
1310

    
1311
host_cflags='-O3 -g -Wall'
1312
host_libs='-lm'
1313

    
1314
target_path='.'
1315

    
1316
# gcc stupidly only outputs the basename of targets with -MM, but we need the
1317
# full relative path for objects in subdirectories for non-recursive Make.
1318
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1319
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1320

    
1321
# find source path
1322
source_path="$(dirname "$0")"
1323
enable source_path_used
1324
if test -f configure; then
1325
    source_path="$(pwd)"
1326
    disable source_path_used
1327
else
1328
    source_path="$(cd "$source_path"; pwd)"
1329
    echo "$source_path" | grep -q '[[:blank:]]' &&
1330
        die "Out of tree builds are impossible with whitespace in source path."
1331
    test -e "$source_path/config.h" &&
1332
        die "Out of tree builds are impossible with config.h in source dir."
1333
fi
1334

    
1335
for v in "$@"; do
1336
    r=${v#*=}
1337
    l=${v%"$r"}
1338
    r=$(sh_quote "$r")
1339
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1340
done
1341

    
1342
find_things(){
1343
    thing=$1
1344
    pattern=$2
1345
    file=$source_path/$3
1346
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1347
}
1348

    
1349
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1350
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1351
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1352
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1353
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1354
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1355
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1356
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1357
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1358
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1359
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1360

    
1361
enable $ARCH_EXT_LIST \
1362
       $DECODER_LIST \
1363
       $ENCODER_LIST \
1364
       $HWACCEL_LIST \
1365
       $PARSER_LIST \
1366
       $BSF_LIST \
1367
       $DEMUXER_LIST \
1368
       $MUXER_LIST \
1369
       $FILTER_LIST \
1370
       $PROTOCOL_LIST \
1371
       $INDEV_LIST \
1372
       $OUTDEV_LIST \
1373

    
1374
die_unknown(){
1375
    echo "Unknown option \"$1\"."
1376
    echo "See $0 --help for available options."
1377
    exit 1
1378
}
1379

    
1380
show_list() {
1381
    suffix=_$1
1382
    shift
1383
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1384
    exit 0
1385
}
1386

    
1387
for opt do
1388
    optval="${opt#*=}"
1389
    case "$opt" in
1390
    --extra-ldflags=*) add_ldflags $optval
1391
    ;;
1392
    --extra-libs=*) add_extralibs $optval
1393
    ;;
1394
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1395
    ;;
1396
    --enable-debug=*) debuglevel="$optval"
1397
    ;;
1398
    --enable-*=*|--disable-*=*)
1399
    eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1400
    is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1401
    eval list=\$$(toupper $thing)_LIST
1402
    name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1403
    $action $(filter "$name" $list)
1404
    ;;
1405
    --enable-?*|--disable-?*)
1406
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1407
    if is_in $option $COMPONENT_LIST; then
1408
        test $action = disable && action=unset
1409
        eval $action \$$(toupper ${option%s})_LIST
1410
    elif is_in $option $CMDLINE_SELECT; then
1411
        $action $option
1412
    else
1413
        die_unknown $opt
1414
    fi
1415
    ;;
1416
    --list-*)
1417
        NAME="${opt#--list-}"
1418
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1419
        NAME=${NAME%s}
1420
        eval show_list $NAME \$$(toupper $NAME)_LIST
1421
    ;;
1422
    --help|-h) show_help
1423
    ;;
1424
    *)
1425
    optname="${opt%%=*}"
1426
    optname="${optname#--}"
1427
    optname=$(echo "$optname" | sed 's/-/_/g')
1428
    if is_in $optname $CMDLINE_SET; then
1429
        eval $optname='$optval'
1430
    elif is_in $optname $CMDLINE_APPEND; then
1431
        append $optname "$optval"
1432
    else
1433
         die_unknown $opt
1434
    fi
1435
    ;;
1436
    esac
1437
done
1438

    
1439
disabled logging && logfile=/dev/null
1440

    
1441
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1442
set >> $logfile
1443

    
1444
test -n "$cross_prefix" && enable cross_compile
1445

    
1446
ar="${cross_prefix}${ar}"
1447
cc_default="${cross_prefix}${cc_default}"
1448
nm_default="${cross_prefix}${nm_default}"
1449
ranlib="${cross_prefix}${ranlib}"
1450
strip="${cross_prefix}${strip}"
1451

    
1452
sysinclude_default="${sysroot}/usr/include"
1453

    
1454
set_default cc nm sysinclude
1455
enabled cross_compile || host_cc_default=$cc
1456
set_default host_cc
1457

    
1458
exesuf() {
1459
    case $1 in
1460
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1461
    esac
1462
}
1463

    
1464
EXESUF=$(exesuf $target_os)
1465
HOSTEXESUF=$(exesuf $host_os)
1466

    
1467
# set temporary file name
1468
: ${TMPDIR:=$TEMPDIR}
1469
: ${TMPDIR:=$TMP}
1470
: ${TMPDIR:=/tmp}
1471

    
1472
if ! check_cmd type mktemp; then
1473
    # simple replacement for missing mktemp
1474
    # NOT SAFE FOR GENERAL USE
1475
    mktemp(){
1476
        echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1477
    }
1478
fi
1479

    
1480
tmpfile(){
1481
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1482
        (set -C; exec > $tmp) 2>/dev/null ||
1483
        die "Unable to create temporary file in $TMPDIR."
1484
    append TMPFILES $tmp
1485
    eval $1=$tmp
1486
}
1487

    
1488
trap 'rm -f -- $TMPFILES' EXIT
1489
trap exit HUP INT TERM
1490

    
1491
tmpfile TMPC  .c
1492
tmpfile TMPE  $EXESUF
1493
tmpfile TMPH  .h
1494
tmpfile TMPO  .o
1495
tmpfile TMPS  .S
1496
tmpfile TMPSH .sh
1497

    
1498
unset -f mktemp
1499

    
1500
# make sure we can execute files in $TMPDIR
1501
cat > $TMPSH 2>> $logfile <<EOF
1502
#! /bin/sh
1503
EOF
1504
chmod +x $TMPSH >> $logfile 2>&1
1505
if ! $TMPSH >> $logfile 2>&1; then
1506
    cat <<EOF
1507
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1508
variable to another directory and make sure that it is not mounted noexec.
1509
EOF
1510
    die "Sanity test failed."
1511
fi
1512

    
1513
filter_cflags=echo
1514
filter_cppflags=echo
1515
filter_asflags=echo
1516

    
1517
if   $cc -v 2>&1 | grep -qi ^gcc; then
1518
    cc_type=gcc
1519
    if ! $cc -dumpversion | grep -q '^2\.'; then
1520
        CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1521
        AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1522
    fi
1523
elif $cc --version 2>/dev/null | grep -q Intel; then
1524
    cc_type=icc
1525
    CC_DEPFLAGS='-MMD'
1526
    AS_DEPFLAGS='-MMD'
1527
elif $cc -v 2>&1 | grep -q xlc; then
1528
    cc_type=xlc
1529
elif $cc -V 2>/dev/null | grep -q Compaq; then
1530
    cc_type=ccc
1531
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1532
    debuglevel=3
1533
    add_ldflags -Wl,-z,now # calls to libots crash without this
1534
elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1535
    test -d "$sysroot" || die "No valid sysroot specified."
1536
    cc_type=armcc
1537
    armcc_conf="$PWD/armcc.conf"
1538
    $cc --arm_linux_configure                 \
1539
        --arm_linux_config_file="$armcc_conf" \
1540
        --configure_sysroot="$sysroot"        \
1541
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1542
        die "Error creating armcc configuration file."
1543
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1544
    as_default="${cross_prefix}gcc"
1545
    CC_DEPFLAGS='-MMD'
1546
    AS_DEPFLAGS='-MMD'
1547
elif $cc -version 2>/dev/null | grep -q TMS470; then
1548
    cc_type=tms470
1549
    cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1550
    CC_O='-fr=$(@D)'
1551
    as_default="${cross_prefix}gcc"
1552
    ld_default="${cross_prefix}gcc"
1553
    TMPO=$(basename $TMPC .c).o
1554
    append TMPFILES $TMPO
1555
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1556
    CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1557
    AS_DEPFLAGS='-MMD'
1558
    filter_cflags=tms470_flags
1559
    tms470_flags(){
1560
        for flag; do
1561
            case $flag in
1562
                -march=*|-mcpu=*)
1563
                    case "${flag#*=}" in
1564
                        armv7-a|cortex-a*)      echo -mv=7a8 ;;
1565
                        armv7-r|cortex-r*)      echo -mv=7r4 ;;
1566
                        armv7-m|cortex-m*)      echo -mv=7m3 ;;
1567
                        armv6*|arm11*)          echo -mv=6   ;;
1568
                        armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1569
                                                echo -mv=5e  ;;
1570
                        armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1571
                    esac
1572
                    ;;
1573
                -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1574
                -mfpu=vfp)      echo --float_support=vfpv2        ;;
1575
                -mfpu=softvfp)  echo --float_support=vfplib       ;;
1576
                -Os)            echo -O3 -mf=2                    ;;
1577
                -O[0-3])        echo $flag -mf=5                  ;;
1578
                -g)             echo -g -mn                       ;;
1579
            esac
1580
        done
1581
    }
1582
fi
1583

    
1584
test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1585

    
1586
: ${as_default:=$cc}
1587
: ${dep_cc_default:=$cc}
1588
: ${ld_default:=$cc}
1589
set_default as dep_cc ld
1590

    
1591
test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1592
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1593

    
1594
add_cflags $extra_cflags
1595
add_asflags $extra_cflags
1596

    
1597
if test -n "$sysroot"; then
1598
    case "$cc_type" in
1599
        gcc)
1600
            add_cppflags --sysroot="$sysroot"
1601
            add_ldflags --sysroot="$sysroot"
1602
        ;;
1603
        tms470)
1604
            add_cppflags -I"$sysinclude"
1605
            add_ldflags  --sysroot="$sysroot"
1606
        ;;
1607
    esac
1608
fi
1609

    
1610
if test "$cpu" = host; then
1611
    enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1612

    
1613
    case "$cc_type" in
1614
        gcc)
1615
            check_native(){
1616
                $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1617
                awk "/$1=/{ match(\$0, /$1=(\\w+)/, a);print a[1];exit }" $TMPE
1618
            }
1619
            cpu=$(check_native -march || check_native -mcpu)
1620
        ;;
1621
    esac
1622

    
1623
    test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1624
fi
1625

    
1626
# Add processor-specific flags
1627
case $cpu in
1628
    601|ppc601|PowerPC601)
1629
        cpuflags="-mcpu=601"
1630
    ;;
1631
    603*|ppc603*|PowerPC603*)
1632
        cpuflags="-mcpu=603"
1633
    ;;
1634
    604*|ppc604*|PowerPC604*)
1635
        cpuflags="-mcpu=604"
1636
    ;;
1637
    G3|g3|75*|ppc75*|PowerPC75*)
1638
        cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1639
    ;;
1640
    G4|g4|745*|ppc745*|PowerPC745*)
1641
        cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1642
    ;;
1643
    74*|ppc74*|PowerPC74*)
1644
        cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1645
    ;;
1646
    G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1647
        cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1648
    ;;
1649
    Cell|CELL|cell)
1650
        cpuflags="-mcpu=cell"
1651
        enable ldbrx
1652
    ;;
1653
    # targets that do NOT support conditional mov (cmov)
1654
    i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1655
        cpuflags="-march=$cpu"
1656
        disable cmov
1657
    ;;
1658
    # targets that do support conditional mov (cmov)
1659
    i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1660
        cpuflags="-march=$cpu"
1661
        enable cmov
1662
        enable fast_cmov
1663
    ;;
1664
    # targets that do support conditional mov but on which it's slow
1665
    pentium4|pentium4m|prescott|nocona)
1666
        cpuflags="-march=$cpu"
1667
        enable cmov
1668
        disable fast_cmov
1669
    ;;
1670
    sparc64)
1671
        cpuflags="-mcpu=v9"
1672
    ;;
1673
    arm11*|cortex*)
1674
        cpuflags="-mcpu=$cpu"
1675
        enable fast_unaligned
1676
    ;;
1677
    armv[67]*)
1678
        cpuflags="-march=$cpu"
1679
        enable fast_unaligned
1680
    ;;
1681
    armv*)
1682
        cpuflags="-march=$cpu"
1683
    ;;
1684
    arm*)
1685
        cpuflags="-mcpu=$cpu"
1686
    ;;
1687
    ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1688
        enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1689
    ;;
1690
    bf*)
1691
        cpuflags="-mcpu=$cpu"
1692
    ;;
1693
    mips*|[45]k*|[237]4k*|m4k|r*000|loongson2[ef])
1694
        cpuflags="-march=$cpu"
1695
    ;;
1696
    ap7[02]0[0-2])
1697
        subarch="avr32_ap"
1698
        cpuflags="-mpart=$cpu"
1699
    ;;
1700
    ap)
1701
        subarch="avr32_ap"
1702
        cpuflags="-march=$cpu"
1703
    ;;
1704
    uc3[ab]*)
1705
        subarch="avr32_uc"
1706
        cpuflags="-mcpu=$cpu"
1707
    ;;
1708
    uc)
1709
        subarch="avr32_uc"
1710
        cpuflags="-march=$cpu"
1711
    ;;
1712
    generic)
1713
    ;;
1714
    *)
1715
        echo "WARNING: Unknown CPU \"$cpu\", ignored."
1716
    ;;
1717
esac
1718

    
1719
add_cflags $cpuflags
1720
add_asflags $cpuflags
1721

    
1722
# compiler sanity check
1723
check_exec <<EOF
1724
int main(void){ return 0; }
1725
EOF
1726
if test "$?" != 0; then
1727
    echo "$cc is unable to create an executable file."
1728
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
1729
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1730
        echo "Only do this if you know what cross compiling means."
1731
    fi
1732
    die "C compiler test failed."
1733
fi
1734

    
1735
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1736
check_cflags -std=c99
1737
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1738
#include <stdlib.h>
1739
EOF
1740
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
1741
#include <stdlib.h>
1742
EOF
1743

    
1744
case "$arch" in
1745
    alpha)
1746
        arch="alpha"
1747
        enable fast_64bit
1748
        check_cflags -mieee
1749
        spic=$shared
1750
    ;;
1751
    arm|armv[4567]*l)
1752
        arch="arm"
1753
    ;;
1754
    avr32)
1755
    ;;
1756
    bfin)
1757
        arch="bfin"
1758
    ;;
1759
    ia64)
1760
        arch="ia64"
1761
        enable fast_64bit
1762
        spic=$shared
1763
    ;;
1764
    m68k)
1765
        arch="m68k"
1766
    ;;
1767
    mips|mipsel|IP*)
1768
        arch="mips"
1769
        spic=$shared
1770
    ;;
1771
    mips64)
1772
        arch="mips"
1773
        subarch="mips64"
1774
        enable fast_64bit
1775
        spic=$shared
1776
    ;;
1777
    parisc|hppa)
1778
        arch="parisc"
1779
        spic=$shared
1780
    ;;
1781
    parisc64|hppa64)
1782
        arch="parisc"
1783
        enable fast_64bit
1784
        spic=$shared
1785
    ;;
1786
    "Power Macintosh"|ppc|powerpc)
1787
        arch="ppc"
1788
        enable fast_unaligned
1789
    ;;
1790
    ppc64)
1791
        arch="ppc"
1792
        subarch="ppc64"
1793
        enable fast_64bit
1794
        enable fast_unaligned
1795
    ;;
1796
    s390|s390x)
1797
        arch="s390"
1798
    ;;
1799
    sh4|sh)
1800
        arch="sh4"
1801
    ;;
1802
    sparc)
1803
        arch="sparc"
1804
        spic=$shared
1805
    ;;
1806
    sun4u|sparc64)
1807
        arch="sparc"
1808
        subarch="sparc64"
1809
        enable fast_64bit
1810
        spic=$shared
1811
    ;;
1812
    i386|i486|i586|i686|i86pc|BePC)
1813
        arch="x86"
1814
        subarch="x86_32"
1815
        enable fast_unaligned
1816
    ;;
1817
    x86_64|amd64)
1818
        arch="x86"
1819
        subarch="x86_32"
1820
        enable cmov
1821
        enable fast_cmov
1822
        enable fast_unaligned
1823
        check_cc <<EOF && enable fast_64bit && subarch="x86_64" && spic=$shared
1824
        int test[sizeof(char*) - 7];
1825
EOF
1826
    ;;
1827
    *)
1828
        arch="unknown"
1829
    ;;
1830
esac
1831

    
1832
enable $arch $subarch
1833
enabled spic && enable pic
1834

    
1835
# OS specific
1836
case $target_os in
1837
    beos|haiku|zeta)
1838
        prefix_default="$HOME/config"
1839
        # helps building libavcodec
1840
        add_cppflags -DPIC
1841
        add_cflags -fomit-frame-pointer
1842
        # 3 gcc releases known for BeOS, each with ugly bugs
1843
        gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1844
        case "$gcc_version" in
1845
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1846
            disable mmx
1847
            ;;
1848
          *20010315*) echo "BeBits gcc"
1849
            add_cflags -fno-expensive-optimizations
1850
            ;;
1851
        esac
1852
        SHFLAGS=-nostart
1853
        # enable BeOS things
1854
        enable audio_beos
1855
        # no need for libm, but the inet stuff
1856
        # Check for BONE
1857
        # XXX: actually should check for NOT net_server
1858
        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1859
            network_extralibs="-lbind -lsocket"
1860
        else
1861
            enable beos_netserver
1862
            network_extralibs="-lnet"
1863
        fi ;;
1864
    sunos)
1865
        FFSERVERLDFLAGS=""
1866
        SHFLAGS='-shared -Wl,-h,$$(@F)'
1867
        network_extralibs="-lsocket -lnsl"
1868
        add_cppflags -D__EXTENSIONS__
1869
        ;;
1870
    netbsd)
1871
        oss_indev_extralibs="-lossaudio"
1872
        oss_outdev_extralibs="-lossaudio"
1873
        ;;
1874
    openbsd)
1875
        enable malloc_aligned
1876
        enable pic
1877
        SHFLAGS='-shared'
1878
        oss_indev_extralibs="-lossaudio"
1879
        oss_outdev_extralibs="-lossaudio"
1880
        ;;
1881
    freebsd|dragonfly)
1882
        enable malloc_aligned
1883
        ;;
1884
    bsd/os)
1885
        osextralibs="-lpoll -lgnugetopt"
1886
        strip="strip -d"
1887
        ;;
1888
    darwin)
1889
        enable malloc_aligned
1890
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1891
        strip="strip -x"
1892
        FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1893
        SLIBSUF=".dylib"
1894
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1895
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1896
        FFSERVERLDFLAGS=-Wl,-bind_at_load
1897
        objformat="macho"
1898
        enabled x86_64 && objformat="macho64"
1899
        enabled shared ||
1900
            { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
1901
        ;;
1902
    mingw32*)
1903
        if test $target_os = "mingw32ce"; then
1904
            disable network
1905
        else
1906
            target_os=mingw32
1907
        fi
1908
        LIBTARGET=i386
1909
        if enabled x86_64; then
1910
            enable malloc_aligned
1911
            LIBTARGET=x64
1912
        elif enabled arm; then
1913
            LIBTARGET=arm
1914
        fi
1915
        shlibdir_default="$bindir_default"
1916
        disable ffserver
1917
        SLIBPREF=""
1918
        SLIBSUF=".dll"
1919
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1920
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1921
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1922
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1923
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
1924
            install -d "$(LIBDIR)"; \
1925
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
1926
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1927
        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'
1928
        objformat="win32"
1929
        enable dos_paths
1930
        check_cflags -fno-common
1931
        if ! enabled x86_64; then
1932
            check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1933
                die "ERROR: MinGW runtime version must be >= 3.15."
1934
            enabled_any avisynth vfwcap_indev &&
1935
                { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1936
                  die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
1937
            fi
1938
        ;;
1939
    cygwin*)
1940
        target_os=cygwin
1941
        shlibdir_default="$bindir_default"
1942
        SLIBPREF="cyg"
1943
        SLIBSUF=".dll"
1944
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1945
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1946
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
1947
        objformat="win32"
1948
        enable dos_paths
1949
        check_cflags -fno-common
1950
        ;;
1951
    *-dos|freedos|opendos)
1952
        disable ffplay ffserver
1953
        disable $INDEV_LIST $OUTDEV_LIST
1954
        network_extralibs="-lsocket"
1955
        objformat="coff"
1956
        enable dos_paths
1957
        ;;
1958
    linux)
1959
        enable dv1394
1960
        ;;
1961
    irix*)
1962
        target_os=irix
1963
        ranlib="echo ignoring ranlib"
1964
        ;;
1965
    os/2*)
1966
        strip="lxlite"
1967
        ln_s="cp -f"
1968
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1969
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1970
        FFSERVERLDFLAGS=""
1971
        LIBSUF="_s.a"
1972
        SLIBPREF=""
1973
        SLIBSUF=".dll"
1974
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1975
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1976
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1977
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1978
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1979
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1980
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1981
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1982
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1983
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1984
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1985
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1986
        enable dos_paths
1987
        ;;
1988
    gnu/kfreebsd)
1989
        ;;
1990
    gnu)
1991
        ;;
1992

    
1993
    *)
1994
        die "Unknown OS '$target_os'."
1995
        ;;
1996
esac
1997

    
1998
set_default $PATHS_LIST
1999

    
2000
add_extralibs $osextralibs
2001

    
2002
# Combine FFLDFLAGS and the LDFLAGS environment variable.
2003
LDFLAGS="$FFLDFLAGS $LDFLAGS"
2004

    
2005
# we need to build at least one lib type
2006
if ! enabled_any static shared; then
2007
    cat <<EOF
2008
At least one library type must be built.
2009
Specify --enable-static to build the static libraries or --enable-shared to
2010
build the shared libraries as well. To only build the shared libraries specify
2011
--disable-static in addition to --enable-shared.
2012
EOF
2013
    exit 1;
2014
fi
2015

    
2016
disabled static && LIBNAME=""
2017

    
2018
if enabled_any libfaad libfaadbin ; then
2019
    if check_header faad.h; then
2020
        check_cc <<EOF
2021
#include <faad.h>
2022
#ifndef FAAD2_VERSION
2023
ok faad1
2024
#endif
2025
int main(void) { return 0; }
2026
EOF
2027
        test $? = 0 && enable libfaad2
2028
    else
2029
        die "FAAD test failed."
2030
    fi
2031
fi
2032

    
2033

    
2034
die_license_disabled() {
2035
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2036
}
2037

    
2038
die_license_disabled gpl libfaad2
2039
die_license_disabled gpl libx264
2040
die_license_disabled gpl libxvid
2041
die_license_disabled gpl postproc
2042
die_license_disabled gpl x11grab
2043

    
2044
die_license_disabled nonfree libfaac
2045

    
2046
die_license_disabled version3 libopencore_amrnb
2047
die_license_disabled version3 libopencore_amrwb
2048

    
2049
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2050

    
2051
check_deps $ARCH_EXT_LIST
2052

    
2053
disabled optimizations || check_cflags -fomit-frame-pointer
2054

    
2055
if enabled pic; then
2056
    add_cppflags -DPIC
2057
    add_cflags   -fPIC
2058
    add_asflags  -fPIC
2059
fi
2060

    
2061
check_cc <<EOF || die "Symbol mangling check failed."
2062
int ff_extern;
2063
EOF
2064
sym=$($nm -P -g $TMPO | grep ff_extern)
2065
extern_prefix=${sym%%ff_extern*}
2066

    
2067
check_cc <<EOF && enable inline_asm
2068
void foo(void) { __asm__ volatile ("" ::); }
2069
EOF
2070

    
2071
_restrict=
2072
for restrict_keyword in restrict __restrict__ __restrict; do
2073
    check_cc <<EOF && _restrict=$restrict_keyword && break
2074
void foo(char * $restrict_keyword p);
2075
EOF
2076
done
2077

    
2078
check_cc <<EOF && enable attribute_packed
2079
struct { int x; } __attribute__((packed)) x;
2080
EOF
2081

    
2082
check_cc <<EOF || die "endian test failed"
2083
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2084
EOF
2085
od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2086

    
2087
if enabled arm; then
2088

    
2089
    check_ld <<EOF && enable vfp_args
2090
__asm__ (".eabi_attribute 28, 1");
2091
int main(void) { return 0; }
2092
EOF
2093

    
2094
    # We have to check if pld is a nop and disable it.
2095
    check_asm pld '"pld [r0]"'
2096

    
2097
    enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2098
    enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2099
    enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2100
    enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2101
    enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2102
    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2103

    
2104
elif enabled mips; then
2105

    
2106
    check_asm loongson '"dmult.g $1, $2, $3"'
2107
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2108

    
2109
elif enabled ppc; then
2110

    
2111
    check_asm dcbzl     '"dcbzl 0, 1"'
2112
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2113
    check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
2114

    
2115
    # AltiVec flags: The FSF version of GCC differs from the Apple version
2116
    if enabled altivec; then
2117
        check_cflags -maltivec -mabi=altivec &&
2118
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2119
        check_cflags -faltivec
2120

    
2121
        # check if our compiler supports Motorola AltiVec C API
2122
        check_cc <<EOF || disable altivec
2123
$inc_altivec_h
2124
int main(void) {
2125
    vector signed int v1, v2, v3;
2126
    v1 = vec_add(v2,v3);
2127
    return 0;
2128
}
2129
EOF
2130

    
2131
        # check if our compiler supports braces for vector declarations
2132
        check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2133
$inc_altivec_h
2134
int main (void) { (vector int) {1}; return 0; }
2135
EOF
2136
    fi
2137

    
2138
elif enabled sparc; then
2139

    
2140
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2141
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2142

    
2143
elif enabled x86; then
2144

    
2145
    # check whether EBP is available on x86
2146
    # As 'i' is stored on the stack, this program will crash
2147
    # if the base pointer is used to access it because the
2148
    # base pointer is cleared in the inline assembly code.
2149
    check_exec_crash <<EOF && enable ebp_available
2150
    volatile int i=0;
2151
    __asm__ volatile (
2152
        "xorl %%ebp, %%ebp"
2153
    ::: "%ebp");
2154
    return i;
2155
EOF
2156

    
2157
    # check wether EBX is available on x86
2158
    check_asm ebx_available '"":::"%ebx"'
2159

    
2160
    # check whether more than 10 operands are supported
2161
    check_cc <<EOF && enable ten_operands
2162
int main(void) {
2163
    int x=0;
2164
    __asm__ volatile(
2165
        ""
2166
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2167
    );
2168
    return 0;
2169
}
2170
EOF
2171

    
2172
    # check whether binutils is new enough to compile SSSE3/MMX2
2173
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2174
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2175

    
2176
    check_asm bswap '"bswap %%eax" ::: "%eax"'
2177

    
2178
    YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2179
    enabled     x86_64        && append YASMFLAGS "-m amd64"
2180
    enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
2181
    case "$objformat" in
2182
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2183
        macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
2184
        *)                    append YASMFLAGS "-DPREFIX"  ;;
2185
    esac
2186
    disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2187

    
2188
fi
2189

    
2190
if check_func dlopen; then
2191
    ldl=
2192
elif check_func dlopen -ldl; then
2193
    ldl=-ldl
2194
fi
2195

    
2196
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2197
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2198

    
2199
check_func  fork
2200
check_func  gethrtime
2201
check_func  getrusage
2202
check_func  inet_aton $network_extralibs
2203
check_func  isatty
2204
check_func  memalign
2205
check_func  mkstemp
2206
check_func  posix_memalign
2207
check_func_headers io.h setmode
2208
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2209
check_func_headers windows.h GetProcessTimes
2210
check_func_headers windows.h VirtualAlloc
2211

    
2212
check_header conio.h
2213
check_header dlfcn.h
2214
check_header malloc.h
2215
check_header poll.h
2216
check_header sys/mman.h
2217
check_header sys/resource.h
2218
check_header sys/select.h
2219
check_header termios.h
2220
check_header vdpau/vdpau.h
2221
check_header vdpau/vdpau_x11.h
2222
check_header X11/extensions/XvMClib.h
2223

    
2224
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2225
     enabled_any $need_memalign ; then
2226
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2227
fi
2228

    
2229
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2230
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2231

    
2232
# check for some common methods of building with pthread support
2233
# do this before the optional library checks as some of them require pthreads
2234
if enabled pthreads; then
2235
    if check_func pthread_create; then
2236
        :
2237
    elif check_func pthread_create -pthread; then
2238
        add_cflags -pthread
2239
        add_extralibs -pthread
2240
    elif check_func pthread_create -pthreads; then
2241
        add_cflags -pthreads
2242
        add_extralibs -pthreads
2243
    elif check_func pthread_create -lpthreadGC2; then
2244
        add_extralibs -lpthreadGC2
2245
    elif ! check_lib pthread.h pthread_create -lpthread; then
2246
        die "ERROR: can't find pthreads library"
2247
    fi
2248
fi
2249

    
2250
for thread in $THREADS_LIST; do
2251
    if enabled $thread; then
2252
        test -n "$thread_type" &&
2253
            die "ERROR: Only one thread type must be selected." ||
2254
            thread_type="$thread"
2255
    fi
2256
done
2257

    
2258
check_lib math.h sin -lm
2259
check_lib va/va.h vaInitialize -lva
2260

    
2261
check_func llrint
2262
check_func log2
2263
check_func lrint
2264
check_func lrintf
2265
check_func round
2266
check_func roundf
2267
check_func truncf
2268

    
2269
# these are off by default, so fail if requested and not available
2270
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2271
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2272
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2273
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2274
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2275
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2276
enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
2277
enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2278
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2279
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2280
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2281
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2282
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2283
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2284
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2285
enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
2286
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2287
enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 -lm &&
2288
                      { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2289
                        die "ERROR: libx264 version must be >= 0.65."; }
2290
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2291
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2292

    
2293
# libdc1394 check
2294
if enabled libdc1394; then
2295
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2296
        enable libdc1394_2; } ||
2297
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2298
        enable libdc1394_1; } ||
2299
    die "ERROR: No version of libdc1394 found "
2300
fi
2301

    
2302
disable sdl_too_old
2303
disable sdl
2304
SDL_CONFIG="${cross_prefix}sdl-config"
2305
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2306
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2307
    temp_cflags $sdl_cflags
2308
    temp_extralibs $("${SDL_CONFIG}" --libs)
2309
    if check_lib2 SDL.h SDL_Init; then
2310
        _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2311
        if test "$_sdlversion" -lt 121 ; then
2312
            enable sdl_too_old
2313
        else
2314
            enable sdl
2315
            check_cc $sdl_cflags <<EOF && enable sdl_video_size
2316
#include <SDL.h>
2317
int main(int argc, char **argv){
2318
    const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2319
    int w = vi->current_w;
2320
    return 0;
2321
}
2322
EOF
2323
        fi
2324
    fi
2325
    restore_flags
2326
fi
2327

    
2328
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2329

    
2330
if enabled network; then
2331
    check_type "sys/types.h sys/socket.h" socklen_t
2332
    # Prefer arpa/inet.h over winsock2
2333
    if check_header arpa/inet.h ; then
2334
        check_func closesocket
2335
    elif check_header winsock2.h ; then
2336
        check_func_headers winsock2.h closesocket -lws2 && \
2337
            network_extralibs="-lws2" || \
2338
        { check_func_headers winsock2.h closesocket -lws2_32 && \
2339
            network_extralibs="-lws2_32"; }
2340
        check_type ws2tcpip.h socklen_t
2341
    else
2342
        disable network
2343
    fi
2344
fi
2345

    
2346
enabled_all network ipv6 && check_ld <<EOF || disable ipv6
2347
#include <sys/types.h>
2348
#include <sys/socket.h>
2349
#include <netinet/in.h>
2350
#include <netdb.h>
2351
int main(void) {
2352
    struct sockaddr_storage saddr;
2353
    struct ipv6_mreq mreq6;
2354
    getaddrinfo(0,0,0,0);
2355
    getnameinfo(0,0,0,0,0,0,0);
2356
    IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2357
}
2358
EOF
2359

    
2360
check_header linux/videodev.h
2361
check_header linux/videodev2.h
2362
check_header sys/videoio.h
2363

    
2364
check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2365

    
2366
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2367
{ check_header dev/bktr/ioctl_meteor.h &&
2368
  check_header dev/bktr/ioctl_bt848.h; } ||
2369
{ check_header machine/ioctl_meteor.h &&
2370
  check_header machine/ioctl_bt848.h; } ||
2371
{ check_header dev/video/meteor/ioctl_meteor.h &&
2372
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2373
check_header dev/ic/bt8xx.h
2374

    
2375
check_header sys/soundcard.h
2376
check_header soundcard.h
2377

    
2378
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2379

    
2380
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2381

    
2382
enabled x11grab                         &&
2383
check_header X11/Xlib.h                 &&
2384
check_header X11/extensions/XShm.h      &&
2385
check_func XOpenDisplay -lX11           &&
2386
check_func XShmCreateImage -lX11 -lXext
2387

    
2388
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2389

    
2390
# add some useful compiler flags if supported
2391
check_cflags -Wdeclaration-after-statement
2392
check_cflags -Wall
2393
check_cflags -Wno-switch
2394
check_cflags -Wdisabled-optimization
2395
check_cflags -Wpointer-arith
2396
check_cflags -Wredundant-decls
2397
check_cflags -Wno-pointer-sign
2398
check_cflags -Wcast-qual
2399
check_cflags -Wwrite-strings
2400
check_cflags -Wtype-limits
2401
check_cflags -Wundef
2402
enabled extra_warnings && check_cflags -Winline
2403

    
2404
# add some linker flags
2405
check_ldflags -Wl,--warn-common
2406
check_ldflags -Wl,--as-needed
2407
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'
2408
check_ldflags -Wl,-Bsymbolic
2409

    
2410
if enabled small; then
2411
    check_cflags -Os            # not all compilers support -Os
2412
    optimizations="small"
2413
elif enabled optimizations; then
2414
    if enabled xlc; then
2415
        add_cflags  -O5
2416
        add_ldflags -O5
2417
    elif enabled ccc; then
2418
        add_cflags -fast
2419
    else
2420
        add_cflags -O3
2421
    fi
2422
fi
2423
check_cflags -fno-math-errno
2424
check_cflags -fno-signed-zeros
2425

    
2426
if enabled icc; then
2427
    # Just warnings, no remarks
2428
    check_cflags -w1
2429
    # -wd: Disable following warnings
2430
    # 144, 167, 556: -Wno-pointer-sign
2431
    # 10006: ignoring unknown option -fno-signed-zeros
2432
    # 10156: ignoring option '-W'; no argument required
2433
    check_cflags -wd144,167,556,10006,10156
2434
    # 11030: Warning unknown option --as-needed
2435
    # 10156: ignoring option '-export'; no argument required
2436
    check_ldflags -wd10156,11030
2437
    # Allow to compile with optimizations
2438
    check_ldflags -march=$cpu
2439
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2440
    enable ebp_available
2441
elif enabled ccc; then
2442
    # disable some annoying warnings
2443
    add_cflags -msg_disable cvtu32to64
2444
    add_cflags -msg_disable embedcomment
2445
    add_cflags -msg_disable needconstext
2446
    add_cflags -msg_disable nomainieee
2447
    add_cflags -msg_disable ptrmismatch1
2448
    add_cflags -msg_disable unreachcode
2449
elif enabled gcc; then
2450
    check_cflags -fno-tree-vectorize
2451
fi
2452

    
2453
if enabled gprof; then
2454
    add_cflags  -p
2455
    add_ldflags -p
2456
fi
2457

    
2458
# Find out if the .align argument is a power of two or not.
2459
check_asm asmalign_pot '".align 3"'
2460

    
2461
enabled_any $DECODER_LIST      && enable decoders
2462
enabled_any $ENCODER_LIST      && enable encoders
2463
enabled_any $HWACCEL_LIST      && enable hwaccels
2464
enabled_any $BSF_LIST          && enable bsfs
2465
enabled_any $DEMUXER_LIST      && enable demuxers
2466
enabled_any $MUXER_LIST        && enable muxers
2467
enabled_any $FILTER_LIST       && enable filters
2468
enabled_any $INDEV_LIST        && enable indevs
2469
enabled_any $OUTDEV_LIST       && enable outdevs
2470
enabled_any $PROTOCOL_LIST     && enable protocols
2471

    
2472
enabled_any $THREADS_LIST      && enable threads
2473

    
2474
check_deps $CONFIG_LIST       \
2475
           $CONFIG_EXTRA      \
2476
           $HAVE_LIST         \
2477
           $DECODER_LIST      \
2478
           $ENCODER_LIST      \
2479
           $HWACCEL_LIST      \
2480
           $PARSER_LIST       \
2481
           $BSF_LIST          \
2482
           $DEMUXER_LIST      \
2483
           $MUXER_LIST        \
2484
           $FILTER_LIST       \
2485
           $INDEV_LIST        \
2486
           $OUTDEV_LIST       \
2487
           $PROTOCOL_LIST     \
2488

    
2489
echo "install prefix            $prefix"
2490
echo "source path               $source_path"
2491
echo "C compiler                $cc"
2492
echo ".align is power-of-two    $asmalign_pot"
2493
echo "ARCH                      $arch ($cpu)"
2494
if test "$build_suffix" != ""; then
2495
    echo "build suffix              $build_suffix"
2496
fi
2497
if test "$extra_version" != ""; then
2498
    echo "version string suffix     $extra_version"
2499
fi
2500
echo "big-endian                ${bigendian-no}"
2501
echo "runtime cpu detection     ${runtime_cpudetect-no}"
2502
if enabled x86; then
2503
    echo "yasm                      ${yasm-no}"
2504
    echo "MMX enabled               ${mmx-no}"
2505
    echo "MMX2 enabled              ${mmx2-no}"
2506
    echo "3DNow! enabled            ${amd3dnow-no}"
2507
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
2508
    echo "SSE enabled               ${sse-no}"
2509
    echo "SSSE3 enabled             ${ssse3-no}"
2510
    echo "CMOV enabled              ${cmov-no}"
2511
    echo "CMOV is fast              ${fast_cmov-no}"
2512
    echo "EBX available             ${ebx_available-no}"
2513
    echo "EBP available             ${ebp_available-no}"
2514
    echo "10 operands supported     ${ten_operands-no}"
2515
fi
2516
if enabled arm; then
2517
    echo "ARMv5TE enabled           ${armv5te-no}"
2518
    echo "ARMv6 enabled             ${armv6-no}"
2519
    echo "ARMv6T2 enabled           ${armv6t2-no}"
2520
    echo "ARM VFP enabled           ${armvfp-no}"
2521
    echo "IWMMXT enabled            ${iwmmxt-no}"
2522
    echo "NEON enabled              ${neon-no}"
2523
fi
2524
if enabled mips; then
2525
    echo "MMI enabled               ${mmi-no}"
2526
fi
2527
if enabled ppc; then
2528
    echo "AltiVec enabled           ${altivec-no}"
2529
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
2530
    echo "dcbzl available           ${dcbzl-no}"
2531
    echo "performance report        ${powerpc_perf-no}"
2532
fi
2533
if enabled sparc; then
2534
    echo "VIS enabled               ${vis-no}"
2535
fi
2536
echo "gprof enabled             ${gprof-no}"
2537
echo "debug symbols             ${debug-no}"
2538
echo "strip symbols             ${stripping-no}"
2539
echo "optimizations             ${optimizations-no}"
2540
echo "static                    ${static-no}"
2541
echo "shared                    ${shared-no}"
2542
echo "postprocessing support    ${postproc-no}"
2543
echo "new filter support        ${avfilter-no}"
2544
echo "filters using lavformat   ${avfilter_lavf-no}"
2545
echo "network support           ${network-no}"
2546
if enabled network; then
2547
    echo "IPv6 support              ${ipv6-no}"
2548
fi
2549
echo "threading support         ${thread_type-no}"
2550
echo "SDL support               ${sdl-no}"
2551
if enabled sdl_too_old; then
2552
    echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2553
fi
2554
echo "Sun medialib support      ${mlib-no}"
2555
echo "AVISynth enabled          ${avisynth-no}"
2556
echo "libdc1394 support         ${libdc1394-no}"
2557
echo "libdirac enabled          ${libdirac-no}"
2558
echo "libfaac enabled           ${libfaac-no}"
2559
echo "libfaad enabled           ${libfaad-no}"
2560
echo "libfaad dlopened          ${libfaadbin-no}"
2561
echo "libgsm enabled            ${libgsm-no}"
2562
echo "libmp3lame enabled        ${libmp3lame-no}"
2563
echo "libnut enabled            ${libnut-no}"
2564
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2565
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2566
echo "libopenjpeg enabled       ${libopenjpeg-no}"
2567
echo "libschroedinger enabled   ${libschroedinger-no}"
2568
echo "libspeex enabled          ${libspeex-no}"
2569
echo "libtheora enabled         ${libtheora-no}"
2570
echo "libvorbis enabled         ${libvorbis-no}"
2571
echo "libx264 enabled           ${libx264-no}"
2572
echo "libxvid enabled           ${libxvid-no}"
2573
echo "zlib enabled              ${zlib-no}"
2574
echo "bzlib enabled             ${bzlib-no}"
2575
echo
2576

    
2577
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2578
    echo "Enabled ${type}s:"
2579
    eval list=\$$(toupper $type)_LIST
2580
    for part in $list; do
2581
        enabled $part && echo ${part%_*}
2582
    done | sort | pr -3 -t
2583
    echo
2584
done
2585

    
2586
license="LGPL version 2.1 or later"
2587
if enabled nonfree; then
2588
    license="nonfree and unredistributable"
2589
elif enabled gplv3; then
2590
    license="GPL version 3 or later"
2591
elif enabled lgplv3; then
2592
    license="LGPL version 3 or later"
2593
elif enabled gpl; then
2594
    license="GPL version 2 or later"
2595
fi
2596

    
2597
echo "License: $license"
2598

    
2599
echo "Creating config.mak and config.h..."
2600

    
2601
echo "# Automatically generated by configure - do not modify!" > config.mak
2602
echo "ifndef FFMPEG_CONFIG_MAK" >> config.mak
2603
echo "FFMPEG_CONFIG_MAK=1" >> config.mak
2604

    
2605
echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2606
echo "prefix=$prefix" >> config.mak
2607
echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2608
echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2609
echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2610
echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2611
echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2612
echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2613
echo "SRC_PATH=\"$source_path\"" >> config.mak
2614
echo "SRC_PATH_BARE=$source_path" >> config.mak
2615
echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2616
echo "CC=$cc" >> config.mak
2617
echo "AS=$as" >> config.mak
2618
echo "LD=$ld" >> config.mak
2619
echo "DEPCC=$dep_cc" >> config.mak
2620
echo "YASM=$yasmexe" >> config.mak
2621
echo "AR=$ar" >> config.mak
2622
echo "RANLIB=$ranlib" >> config.mak
2623
echo "LN_S=$ln_s" >> config.mak
2624
enabled stripping &&
2625
    echo "STRIP=$strip" >> config.mak ||
2626
    echo "STRIP=echo ignoring strip" >> config.mak
2627

    
2628
echo "CPPFLAGS=$CPPFLAGS" >> config.mak
2629
echo "CFLAGS=$CFLAGS" >> config.mak
2630
echo "ASFLAGS=$ASFLAGS" >> config.mak
2631
echo "CC_O=$CC_O" >> config.mak
2632
echo "LDFLAGS=$LDFLAGS" >> config.mak
2633
echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2634
echo "SHFLAGS=$SHFLAGS" >> config.mak
2635
echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2636
echo "BUILDSUF=$build_suffix" >> config.mak
2637
echo "FULLNAME=$FULLNAME" >> config.mak
2638
echo "LIBPREF=$LIBPREF" >> config.mak
2639
echo "LIBSUF=$LIBSUF" >> config.mak
2640
echo "LIBNAME=$LIBNAME" >> config.mak
2641
echo "SLIBPREF=$SLIBPREF" >> config.mak
2642
echo "SLIBSUF=$SLIBSUF" >> config.mak
2643
echo "EXESUF=$EXESUF" >> config.mak
2644
echo "EXTRA_VERSION=$extra_version" >> config.mak
2645
echo "DEPFLAGS=$DEPFLAGS" >> config.mak
2646
echo "CCDEP=$CCDEP" >> config.mak
2647
echo "ASDEP=$ASDEP" >> config.mak
2648
echo "CC_DEPFLAGS=$CC_DEPFLAGS" >> config.mak
2649
echo "AS_DEPFLAGS=$AS_DEPFLAGS" >> config.mak
2650
echo "HOSTCC=$host_cc" >> config.mak
2651
echo "HOSTCFLAGS=$host_cflags" >> config.mak
2652
echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2653
echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2654
echo "HOSTLIBS=$host_libs" >> config.mak
2655
echo "TARGET_EXEC=$target_exec" >> config.mak
2656
echo "TARGET_PATH=$target_path" >> config.mak
2657

    
2658
if enabled sdl; then
2659
    echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2660
    echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
2661
fi
2662
if enabled texi2html; then
2663
    echo "BUILD_DOC=yes" >> config.mak
2664
fi
2665

    
2666
get_version(){
2667
    name=$1
2668
    file=$source_path/$2
2669
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2670
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2671
    lcname=$(tolower $name)
2672
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2673
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2674
}
2675

    
2676
get_version LIBSWSCALE  libswscale/swscale.h
2677
get_version LIBPOSTPROC libpostproc/postprocess.h
2678
get_version LIBAVCODEC  libavcodec/avcodec.h
2679
get_version LIBAVDEVICE libavdevice/avdevice.h
2680
get_version LIBAVFORMAT libavformat/avformat.h
2681
get_version LIBAVUTIL   libavutil/avutil.h
2682
get_version LIBAVFILTER libavfilter/avfilter.h
2683

    
2684
if enabled shared; then
2685
    echo "LIBTARGET=${LIBTARGET}" >> config.mak
2686
    echo "SLIBNAME=${SLIBNAME}" >> config.mak
2687
    echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2688
    echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2689
    echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2690
    echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2691
    echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2692
    echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2693
fi
2694
echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2695
echo "EXTRALIBS=$extralibs" >> config.mak
2696

    
2697
echo "ARCH=$arch" >> config.mak
2698

    
2699

    
2700
echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2701
echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2702
echo "#define FFMPEG_CONFIG_H" >> $TMPH
2703
echo "#define FFMPEG_CONFIGURATION \"$(c_escape $FFMPEG_CONFIGURATION)\"" >> $TMPH
2704
echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2705

    
2706
echo "#define restrict $_restrict" >> $TMPH
2707

    
2708
if enabled small || disabled optimizations; then
2709
    echo "#define av_always_inline"  >> $TMPH
2710
fi
2711

    
2712

    
2713
# Apparently it's not possible to portably echo a backslash.
2714
enabled asmalign_pot &&
2715
    printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2716
    printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2717

    
2718
echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2719

    
2720
print_config ARCH_   $TMPH config.mak $ARCH_LIST
2721
print_config HAVE_   $TMPH config.mak $HAVE_LIST
2722
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2723
                                      $CONFIG_EXTRA      \
2724
                                      $DECODER_LIST      \
2725
                                      $ENCODER_LIST      \
2726
                                      $HWACCEL_LIST      \
2727
                                      $PARSER_LIST       \
2728
                                      $BSF_LIST          \
2729
                                      $DEMUXER_LIST      \
2730
                                      $MUXER_LIST        \
2731
                                      $FILTER_LIST       \
2732
                                      $PROTOCOL_LIST     \
2733
                                      $INDEV_LIST        \
2734
                                      $OUTDEV_LIST       \
2735

    
2736
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2737
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
2738

    
2739
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2740
cmp -s $TMPH config.h &&
2741
    echo "config.h is unchanged" ||
2742
    mv -f $TMPH config.h
2743

    
2744
# build tree in object directory if source path is different from current one
2745
if enabled source_path_used; then
2746
    DIRS="
2747
        doc
2748
        libavcodec
2749
        libavcodec/$arch
2750
        libavdevice
2751
        libavfilter
2752
        libavformat
2753
        libavutil
2754
        libavutil/$arch
2755
        libpostproc
2756
        libswscale
2757
        libswscale/$arch
2758
        tests
2759
        tools
2760
    "
2761
    FILES="
2762
        Makefile
2763
        common.mak
2764
        subdir.mak
2765
        doc/texi2pod.pl
2766
        libavcodec/Makefile
2767
        libavdevice/Makefile
2768
        libavfilter/Makefile
2769
        libavformat/Makefile
2770
        libavutil/Makefile
2771
        libpostproc/Makefile
2772
        libswscale/Makefile
2773
    "
2774
    for dir in $DIRS ; do
2775
        mkdir -p $dir
2776
    done
2777
    for f in $FILES ; do
2778
        $ln_s "$source_path/$f" $f
2779
    done
2780
fi
2781

    
2782

    
2783
# build pkg-config files
2784

    
2785
pkgconfig_generate(){
2786
name=$1
2787
shortname=${name#lib}${build_suffix}
2788
comment=$2
2789
version=$3
2790
libs=$4
2791
requires=$5
2792
cat <<EOF > $name/$name.pc
2793
prefix=$prefix
2794
exec_prefix=\${prefix}
2795
libdir=$libdir
2796
includedir=$incdir
2797

    
2798
Name: $name
2799
Description: $comment
2800
Version: $version
2801
Requires: $(enabled shared || echo $requires)
2802
Requires.private: $(enabled shared && echo $requires)
2803
Conflicts:
2804
Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
2805
Libs.private: $(enabled shared && echo $libs)
2806
Cflags: -I\${includedir}
2807
EOF
2808
cat <<EOF > $name/$name-uninstalled.pc
2809
prefix=
2810
exec_prefix=
2811
libdir=\${pcfiledir}
2812
includedir=${source_path}
2813

    
2814
Name: $name
2815
Description: $comment
2816
Version: $version
2817
Requires: $requires
2818
Conflicts:
2819
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2820
Cflags: -I\${includedir}
2821
EOF
2822
}
2823

    
2824
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2825
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2826
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2827
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2828
enabled avfilter &&
2829
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2830
enabled postproc &&
2831
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2832
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"