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#!/bin/sh
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#
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# FFmpeg configure script
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#
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# Copyright (c) 2000-2002 Fabrice Bellard
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# Copyright (c) 2005-2008 Diego Biurrun
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# Copyright (c) 2005-2008 Mans Rullgard
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#
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# Prevent locale nonsense from breaking basic text processing.
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LC_ALL=C
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export LC_ALL
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# make sure we are running under a compatible shell
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# try to make this part work with most shells
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try_exec(){
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    echo "Trying shell $1"
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    type "$1" > /dev/null 2>&1 && exec "$@"
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}
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unset foo
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(: ${foo%%bar}) 2> /dev/null
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E1="$?"
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(: ${foo?}) 2> /dev/null
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E2="$?"
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if test "$E1" != 0 || test "$E2" = 0; then
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    echo "Broken shell detected.  Trying alternatives."
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    export FF_CONF_EXEC
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    if test "0$FF_CONF_EXEC" -lt 1; then
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        FF_CONF_EXEC=1
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        try_exec bash "$0" "$@"
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    fi
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    if test "0$FF_CONF_EXEC" -lt 2; then
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        FF_CONF_EXEC=2
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        try_exec ksh "$0" "$@"
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    fi
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    if test "0$FF_CONF_EXEC" -lt 3; then
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        FF_CONF_EXEC=3
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        try_exec /usr/xpg4/bin/sh "$0" "$@"
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    fi
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    echo "No compatible shell script interpreter found."
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    echo "This configure script requires a POSIX-compatible shell"
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    echo "such as bash or ksh."
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    echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
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    echo "Instead, install a working POSIX-compatible shell."
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    echo "Disabling this configure test will create a broken FFmpeg."
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    if test "$BASH_VERSION" = '2.04.0(1)-release'; then
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        echo "This bash version ($BASH_VERSION) is broken on your platform."
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        echo "Upgrade to a later version if available."
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    fi
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    exit 1
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fi
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show_help(){
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  echo "Usage: configure [options]"
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  echo "Options: [defaults in brackets after descriptions]"
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  echo
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  echo "Standard options:"
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  echo "  --help                   print this message"
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  echo "  --logfile=FILE           log tests and output to FILE [config.err]"
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  echo "  --disable-logging        do not log configure debug information"
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  echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
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  echo "  --bindir=DIR             install binaries in DIR [PREFIX/bin]"
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  echo "  --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]"
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  echo "  --libdir=DIR             install libs in DIR [PREFIX/lib]"
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  echo "  --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]"
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  echo "  --incdir=DIR             install includes in DIR [PREFIX/include]"
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  echo "  --mandir=DIR             install man page in DIR [PREFIX/share/man]"
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  echo
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  echo "Configuration options:"
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  echo "  --disable-static         do not build static libraries [no]"
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  echo "  --enable-shared          build shared libraries [no]"
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  echo "  --enable-gpl             allow use of GPL code, the resulting libs"
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  echo "                           and binaries will be under GPL [no]"
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  echo "  --enable-version3        upgrade (L)GPL to version 3 [no]"
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  echo "  --enable-nonfree         allow use of nonfree code, the resulting libs"
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  echo "                           and binaries will be unredistributable [no]"
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  echo "  --disable-ffmpeg         disable ffmpeg build"
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  echo "  --disable-ffplay         disable ffplay build"
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  echo "  --disable-ffserver       disable ffserver build"
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  echo "  --enable-postproc        enable GPLed postprocessing support [no]"
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  echo "  --enable-avfilter        video filter support [no]"
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  echo "  --enable-avfilter-lavf   video filters dependent on avformat [no]"
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  echo "  --enable-beosthreads     use BeOS threads [no]"
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  echo "  --enable-os2threads      use OS/2 threads [no]"
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  echo "  --enable-pthreads        use pthreads [no]"
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  echo "  --enable-w32threads      use Win32 threads [no]"
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  echo "  --enable-x11grab         enable X11 grabbing [no]"
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  echo "  --disable-network        disable network support [no]"
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  echo "  --disable-ipv6           disable IPv6 support [no]"
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  echo "  --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]"
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  echo "  --enable-gray            enable full grayscale support (slower color)"
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  echo "  --disable-swscale-alpha  disable alpha channel support in swscale"
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  echo "  --disable-fastdiv        disable table-based division"
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  echo "  --enable-small           optimize for size instead of speed"
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  echo "  --disable-aandct         disable AAN DCT code"
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  echo "  --disable-fft            disable FFT code"
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  echo "  --disable-golomb         disable Golomb code"
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  echo "  --disable-mdct           disable MDCT code"
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  echo "  --disable-rdft           disable RDFT code"
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  echo "  --disable-vaapi          disable VAAPI code"
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  echo "  --disable-vdpau          disable VDPAU code"
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  echo "  --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)"
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  echo "  --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
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  echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
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  echo "  --enable-beos-netserver  enable BeOS netserver"
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  echo "  --disable-encoder=NAME   disable encoder NAME"
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  echo "  --enable-encoder=NAME    enable encoder NAME"
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  echo "  --disable-encoders       disable all encoders"
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  echo "  --disable-decoder=NAME   disable decoder NAME"
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  echo "  --enable-decoder=NAME    enable decoder NAME"
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  echo "  --disable-decoders       disable all decoders"
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  echo "  --disable-hwaccel=NAME   disable hwaccel NAME"
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  echo "  --enable-hwaccel=NAME    enable hwaccel NAME"
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  echo "  --disable-hwaccels       disable all hwaccels"
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  echo "  --disable-muxer=NAME     disable muxer NAME"
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  echo "  --enable-muxer=NAME      enable muxer NAME"
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  echo "  --disable-muxers         disable all muxers"
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  echo "  --disable-demuxer=NAME   disable demuxer NAME"
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  echo "  --enable-demuxer=NAME    enable demuxer NAME"
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  echo "  --disable-demuxers       disable all demuxers"
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  echo "  --enable-parser=NAME     enable parser NAME"
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  echo "  --disable-parser=NAME    disable parser NAME"
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  echo "  --disable-parsers        disable all parsers"
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  echo "  --enable-bsf=NAME        enable bitstream filter NAME"
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  echo "  --disable-bsf=NAME       disable bitstream filter NAME"
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  echo "  --disable-bsfs           disable all bitstream filters"
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  echo "  --enable-protocol=NAME   enable protocol NAME"
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  echo "  --disable-protocol=NAME  disable protocol NAME"
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  echo "  --disable-protocols      disable all protocols"
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  echo "  --disable-indev=NAME     disable input device NAME"
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  echo "  --disable-outdev=NAME    disable output device NAME"
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  echo "  --disable-indevs         disable input devices"
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  echo "  --disable-outdevs        disable output devices"
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  echo "  --disable-devices        disable all devices"
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  echo "  --enable-filter=NAME     enable filter NAME"
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  echo "  --disable-filter=NAME    disable filter NAME"
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  echo "  --disable-filters        disable all filters"
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  echo "  --list-decoders          show all available decoders"
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  echo "  --list-encoders          show all available encoders"
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  echo "  --list-hwaccels          show all available hardware accelerators"
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  echo "  --list-muxers            show all available muxers"
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  echo "  --list-demuxers          show all available demuxers"
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  echo "  --list-parsers           show all available parsers"
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  echo "  --list-protocols         show all available protocols"
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  echo "  --list-bsfs              show all available bitstream filters"
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  echo "  --list-indevs            show all available input devices"
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  echo "  --list-outdevs           show all available output devices"
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  echo "  --list-filters           show all available filters"
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  echo
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  echo "External library support:"
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  echo "  --enable-avisynth        enable reading of AVISynth script files [no]"
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  echo "  --enable-bzlib           enable bzlib [autodetect]"
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  echo "  --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]"
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  echo "  --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]"
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  echo "  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394"
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  echo "                           and libraw1394 [no]"
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  echo "  --enable-libdirac        enable Dirac support via libdirac [no]"
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  echo "  --enable-libfaac         enable FAAC support via libfaac [no]"
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  echo "  --enable-libfaad         enable FAAD support via libfaad [no]"
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  echo "  --enable-libfaadbin      open libfaad.so.0 at runtime [no]"
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  echo "  --enable-libgsm          enable GSM support via libgsm [no]"
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  echo "  --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]"
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  echo "  --enable-libnut          enable NUT (de)muxing via libnut,"
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  echo "                           native (de)muxer exists [no]"
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  echo "  --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]"
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  echo "  --enable-libschroedinger enable Dirac support via libschroedinger [no]"
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  echo "  --enable-libspeex        enable Speex decoding via libspeex [no]"
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  echo "  --enable-libtheora       enable Theora encoding via libtheora [no]"
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  echo "  --enable-libvorbis       enable Vorbis encoding via libvorbis,"
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  echo "                           native implementation exists [no]"
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  echo "  --enable-libx264         enable H.264 encoding via x264 [no]"
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  echo "  --enable-libxvid         enable Xvid encoding via xvidcore,"
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  echo "                           native MPEG-4/Xvid encoder exists [no]"
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  echo "  --enable-mlib            enable Sun medialib [no]"
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  echo "  --enable-zlib            enable zlib [autodetect]"
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  echo ""
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  echo "Advanced options (experts only):"
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  echo "  --source-path=PATH       path to source code [$source_path]"
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  echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
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  echo "  --enable-cross-compile   assume a cross-compiler is used"
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  echo "  --sysroot=PATH           root of cross-build tree"
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  echo "  --sysinclude=PATH        location of cross-build system headers"
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  echo "  --target-os=OS           compiler targets OS [$target_os]"
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  echo "  --target-exec=CMD        command to run executables on target"
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  echo "  --target-path=DIR        path to view of build directory on target"
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  echo "  --nm=NM                  use nm tool"
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  echo "  --as=AS                  use assembler AS [$as_default]"
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  echo "  --cc=CC                  use C compiler CC [$cc_default]"
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  echo "  --ld=LD                  use linker LD"
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  echo "  --host-cc=HOSTCC         use host C compiler HOSTCC"
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  echo "  --host-cflags=HCFLAGS    use HCFLAGS when compiling for host"
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  echo "  --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host"
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  echo "  --host-libs=HLIBS        use libs HLIBS when linking for host"
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  echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
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  echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
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  echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
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  echo "  --extra-version=STRING   version string suffix []"
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  echo "  --build-suffix=SUFFIX    library name suffix []"
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  echo "  --arch=ARCH              select architecture [$arch]"
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  echo "  --cpu=CPU                select the minimum required CPU (affects"
205
  echo "                           instruction selection, may crash on older CPUs)"
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  echo "  --enable-powerpc-perf    enable performance report on PPC"
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  echo "                           (requires enabling PMC)"
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  echo "  --disable-altivec        disable AltiVec optimizations"
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  echo "  --disable-amd3dnow       disable 3DNow! optimizations"
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  echo "  --disable-amd3dnowext    disable 3DNow! extended optimizations"
211
  echo "  --disable-mmx            disable MMX optimizations"
212
  echo "  --disable-mmx2           disable MMX2 optimizations"
213
  echo "  --disable-sse            disable SSE optimizations"
214
  echo "  --disable-ssse3          disable SSSE3 optimizations"
215
  echo "  --disable-armv5te        disable armv5te optimizations"
216
  echo "  --disable-armv6          disable armv6 optimizations"
217
  echo "  --disable-armv6t2        disable armv6t2 optimizations"
218
  echo "  --disable-armvfp         disable ARM VFP optimizations"
219
  echo "  --disable-iwmmxt         disable iwmmxt optimizations"
220
  echo "  --disable-mmi            disable MMI optimizations"
221
  echo "  --disable-neon           disable neon optimizations"
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  echo "  --disable-vis            disable VIS optimizations"
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  echo "  --disable-yasm           disable use of yasm assembler"
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  echo "  --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 ""
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  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
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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
    disable $name
576
    check_as "$@" <<EOF && enable $name
577
void foo(void){ __asm__ volatile($asm); }
578
EOF
579
}
580

    
581
check_yasm(){
582
    log check_yasm "$@"
583
    echo "$1" > $TMPS
584
    log_file $TMPS
585
    shift 1
586
    check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
587
}
588

    
589
check_ld(){
590
    log check_ld "$@"
591
    check_cc || return
592
    flags=''
593
    libs=''
594
    for f; do
595
        test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
596
    done
597
    check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
598
}
599

    
600
check_cppflags(){
601
    log check_cppflags "$@"
602
    set -- $($filter_cppflags "$@")
603
    check_cc "$@" <<EOF && append CPPFLAGS "$@"
604
int x;
605
EOF
606
}
607

    
608
check_cflags(){
609
    log check_cflags "$@"
610
    set -- $($filter_cflags "$@")
611
    check_cc "$@" <<EOF && append CFLAGS "$@"
612
int x;
613
EOF
614
}
615

    
616
check_ldflags(){
617
    log check_ldflags "$@"
618
    check_ld "$@" <<EOF && add_ldflags "$@"
619
int main(void){ return 0; }
620
EOF
621
}
622

    
623
check_header(){
624
    log check_header "$@"
625
    header=$1
626
    shift
627
    disable_safe $header
628
    check_cpp "$@" <<EOF && enable_safe $header
629
#include <$header>
630
int x;
631
EOF
632
}
633

    
634
check_func(){
635
    log check_func "$@"
636
    func=$1
637
    shift
638
    disable $func
639
    check_ld "$@" <<EOF && enable $func
640
extern int $func();
641
int main(void){ $func(); }
642
EOF
643
}
644

    
645
check_func_headers(){
646
    log check_func_headers "$@"
647
    headers=$1
648
    func=$2
649
    shift 2
650
    disable $func
651
    incs=""
652
    for hdr in $headers; do
653
        incs="$incs
654
#include <$hdr>"
655
    done
656
    check_ld "$@" <<EOF && enable $func && enable_safe $headers
657
$incs
658
int main(int argc, char **argv){
659
    return (long) $func;
660
}
661
EOF
662
}
663

    
664
check_cpp_condition(){
665
    log check_cpp_condition "$@"
666
    header=$1
667
    condition=$2
668
    check_cpp <<EOF
669
#include <$header>
670
#if !($condition)
671
#error "unsatisfied condition: $condition"
672
#endif
673
EOF
674
}
675

    
676
check_lib(){
677
    log check_lib "$@"
678
    header="$1"
679
    func="$2"
680
    shift 2
681
    temp_extralibs "$@"
682
    check_header $header && check_func $func && add_extralibs "$@"
683
    err=$?
684
    restore_flags
685
    return $err
686
}
687

    
688
check_lib2(){
689
    log check_lib2 "$@"
690
    headers="$1"
691
    func="$2"
692
    shift 2
693
    temp_extralibs "$@"
694
    check_func_headers "$headers" $func && add_extralibs "$@"
695
    err=$?
696
    restore_flags
697
    return $err
698
}
699

    
700
check_exec(){
701
    check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
702
}
703

    
704
check_exec_crash(){
705
    code=$(cat)
706

    
707
    # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
708
    # are safe but may not be available everywhere.  Thus we use
709
    # raise(SIGTERM) instead.  The check is run in a subshell so we
710
    # can redirect the "Terminated" message from the shell.  SIGBUS
711
    # is not defined by standard C so it is used conditionally.
712

    
713
    (check_exec "$@") >> $logfile 2>&1 <<EOF
714
#include <signal.h>
715
static void sighandler(int sig){
716
    raise(SIGTERM);
717
}
718
int main(void){
719
    signal(SIGILL, sighandler);
720
    signal(SIGFPE, sighandler);
721
    signal(SIGSEGV, sighandler);
722
#ifdef SIGBUS
723
    signal(SIGBUS, sighandler);
724
#endif
725
    { $code }
726
}
727
EOF
728
}
729

    
730
check_type(){
731
    log check_type "$@"
732
    headers=$1
733
    type=$2
734
    shift 2
735
    disable $type
736
    incs=""
737
    for hdr in $headers; do
738
        incs="$incs
739
#include <$hdr>"
740
    done
741
    check_cc "$@" <<EOF && enable $type
742
$incs
743
$type v;
744
EOF
745
}
746

    
747
require(){
748
    name="$1"
749
    header="$2"
750
    func="$3"
751
    shift 3
752
    check_lib $header $func "$@" || die "ERROR: $name not found"
753
}
754

    
755
require2(){
756
    name="$1"
757
    headers="$2"
758
    func="$3"
759
    shift 3
760
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
761
}
762

    
763
check_foo_config(){
764
    cfg=$1
765
    pkg=$2
766
    header=$3
767
    func=$4
768
    shift 4
769
    disable $cfg
770
    check_cmd ${pkg}-config --version
771
    err=$?
772
    if test "$err" = 0; then
773
        temp_cflags $(${pkg}-config --cflags)
774
        temp_extralibs $(${pkg}-config --libs)
775
        check_lib "$@" $header $func && enable $cfg
776
    fi
777
    return $err
778
}
779

    
780
apply(){
781
    file=$1
782
    shift
783
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
784
}
785

    
786
# CONFIG_LIST contains configurable options, while HAVE_LIST is for
787
# system-dependent things.
788

    
789
COMPONENT_LIST="
790
    bsfs
791
    decoders
792
    demuxers
793
    encoders
794
    filters
795
    hwaccels
796
    indevs
797
    muxers
798
    outdevs
799
    parsers
800
    protocols
801
"
802

    
803
CONFIG_LIST="
804
    $COMPONENT_LIST
805
    aandct
806
    avfilter
807
    avfilter_lavf
808
    avisynth
809
    beos_netserver
810
    bzlib
811
    fastdiv
812
    ffmpeg
813
    ffplay
814
    ffserver
815
    fft
816
    golomb
817
    gpl
818
    gprof
819
    gray
820
    hardcoded_tables
821
    ipv6
822
    libdc1394
823
    libdirac
824
    libfaac
825
    libfaad
826
    libfaadbin
827
    libgsm
828
    libmp3lame
829
    libnut
830
    libopencore_amrnb
831
    libopencore_amrwb
832
    libopenjpeg
833
    libschroedinger
834
    libspeex
835
    libtheora
836
    libvorbis
837
    libx264
838
    libxvid
839
    mdct
840
    memalign_hack
841
    mlib
842
    mpegaudio_hp
843
    network
844
    nonfree
845
    pic
846
    postproc
847
    powerpc_perf
848
    rdft
849
    runtime_cpudetect
850
    shared
851
    small
852
    static
853
    swscale_alpha
854
    vaapi
855
    vdpau
856
    version3
857
    x11grab
858
    zlib
859
"
860

    
861
THREADS_LIST='
862
    beosthreads
863
    os2threads
864
    pthreads
865
    w32threads
866
'
867

    
868
ARCH_LIST='
869
    alpha
870
    arm
871
    avr32
872
    avr32_ap
873
    avr32_uc
874
    bfin
875
    ia64
876
    m68k
877
    mips
878
    mips64
879
    parisc
880
    ppc
881
    ppc64
882
    s390
883
    sh4
884
    sparc
885
    sparc64
886
    x86
887
    x86_32
888
    x86_64
889
'
890

    
891
ARCH_EXT_LIST='
892
    altivec
893
    amd3dnow
894
    amd3dnowext
895
    armv5te
896
    armv6
897
    armv6t2
898
    armvfp
899
    iwmmxt
900
    mmi
901
    mmx
902
    mmx2
903
    neon
904
    ppc4xx
905
    sse
906
    ssse3
907
    vis
908
'
909

    
910
HAVE_LIST="
911
    $ARCH_EXT_LIST
912
    $THREADS_LIST
913
    alsa_asoundlib_h
914
    altivec_h
915
    arpa_inet_h
916
    attribute_packed
917
    bigendian
918
    bswap
919
    closesocket
920
    cmov
921
    conio_h
922
    dcbzl
923
    dev_bktr_ioctl_bt848_h
924
    dev_bktr_ioctl_meteor_h
925
    dev_ic_bt8xx_h
926
    dev_video_meteor_ioctl_meteor_h
927
    dev_video_bktr_ioctl_bt848_h
928
    dlfcn_h
929
    dlopen
930
    dos_paths
931
    ebp_available
932
    ebx_available
933
    fast_64bit
934
    fast_cmov
935
    fast_unaligned
936
    fork
937
    gethrtime
938
    GetProcessTimes
939
    getrusage
940
    inet_aton
941
    inline_asm
942
    isatty
943
    ldbrx
944
    libdc1394_1
945
    libdc1394_2
946
    llrint
947
    log2
948
    loongson
949
    lrint
950
    lrintf
951
    lzo1x_999_compress
952
    machine_ioctl_bt848_h
953
    machine_ioctl_meteor_h
954
    malloc_h
955
    memalign
956
    mkstemp
957
    pld
958
    posix_memalign
959
    round
960
    roundf
961
    sdl
962
    sdl_video_size
963
    setmode
964
    socklen_t
965
    soundcard_h
966
    poll_h
967
    sys_mman_h
968
    sys_resource_h
969
    sys_select_h
970
    sys_soundcard_h
971
    sys_videoio_h
972
    ten_operands
973
    termios_h
974
    threads
975
    truncf
976
    vfp_args
977
    VirtualAlloc
978
    winsock2_h
979
    xform_asm
980
    yasm
981
"
982

    
983
# options emitted with CONFIG_ prefix but not available on command line
984
CONFIG_EXTRA="
985
    gplv3
986
    lgplv3
987
"
988

    
989
CMDLINE_SELECT="
990
    $ARCH_EXT_LIST
991
    $CONFIG_LIST
992
    $THREADS_LIST
993
    cross_compile
994
    debug
995
    extra_warnings
996
    logging
997
    optimizations
998
    stripping
999
    yasm
1000
"
1001

    
1002
PATHS_LIST='
1003
    bindir
1004
    datadir
1005
    incdir
1006
    libdir
1007
    mandir
1008
    prefix
1009
    shlibdir
1010
'
1011

    
1012
CMDLINE_SET="
1013
    $PATHS_LIST
1014
    arch
1015
    as
1016
    build_suffix
1017
    cc
1018
    cpu
1019
    cross_prefix
1020
    dep_cc
1021
    extra_version
1022
    host_cc
1023
    host_cflags
1024
    host_ldflags
1025
    host_libs
1026
    host_os
1027
    ld
1028
    logfile
1029
    nm
1030
    source_path
1031
    sysinclude
1032
    sysroot
1033
    target_exec
1034
    target_os
1035
    target_path
1036
"
1037

    
1038
CMDLINE_APPEND="
1039
    extra_cflags
1040
"
1041

    
1042
# code dependency declarations
1043

    
1044
# architecture extensions
1045
altivec_deps="ppc"
1046
amd3dnow_deps="mmx"
1047
amd3dnowext_deps="amd3dnow"
1048
armv5te_deps="arm"
1049
armv6_deps="arm"
1050
armv6t2_deps="arm"
1051
armvfp_deps="arm"
1052
iwmmxt_deps="arm"
1053
mmi_deps="mips"
1054
mmx_deps="x86"
1055
mmx2_deps="mmx"
1056
neon_deps="arm"
1057
ppc4xx_deps="ppc"
1058
sse_deps="mmx"
1059
ssse3_deps="sse"
1060
vis_deps="sparc"
1061

    
1062
need_memalign="altivec neon sse"
1063
inline_asm_deps="!tms470"
1064

    
1065
# decoders / encoders / hardware accelerators
1066
aac_decoder_select="fft mdct"
1067
aac_encoder_select="fft mdct"
1068
ac3_decoder_select="fft mdct"
1069
atrac3_decoder_select="fft mdct"
1070
cavs_decoder_select="golomb"
1071
cook_decoder_select="fft mdct"
1072
cscd_decoder_suggest="zlib"
1073
dca_decoder_select="fft mdct"
1074
dnxhd_encoder_select="aandct"
1075
dxa_decoder_select="zlib"
1076
eac3_decoder_select="ac3_decoder"
1077
eamad_decoder_select="aandct"
1078
eatgq_decoder_select="aandct"
1079
eatqi_decoder_select="aandct"
1080
ffv1_decoder_select="golomb"
1081
flac_decoder_select="golomb"
1082
flac_encoder_select="golomb"
1083
flashsv_decoder_select="zlib"
1084
flashsv_encoder_select="zlib"
1085
flv_encoder_select="h263_encoder"
1086
h261_encoder_select="aandct"
1087
h263_encoder_select="aandct"
1088
h263_vaapi_hwaccel_deps="va_va_h"
1089
h263_vaapi_hwaccel_select="vaapi h263_decoder"
1090
h263p_encoder_select="h263_encoder"
1091
h264_decoder_select="golomb"
1092
h264_vaapi_hwaccel_deps="va_va_h"
1093
h264_vaapi_hwaccel_select="vaapi"
1094
h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1095
h264_vdpau_decoder_select="vdpau h264_decoder"
1096
imc_decoder_select="fft mdct"
1097
jpegls_decoder_select="golomb"
1098
jpegls_encoder_select="golomb"
1099
ljpeg_encoder_select="aandct"
1100
loco_decoder_select="golomb"
1101
mjpeg_encoder_select="aandct"
1102
mpeg1video_encoder_select="aandct"
1103
mpeg2video_encoder_select="aandct"
1104
mpeg4_encoder_select="h263_encoder"
1105
mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1106
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1107
mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1108
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1109
mpeg2_vaapi_hwaccel_deps="va_va_h"
1110
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1111
mpeg4_vaapi_hwaccel_deps="va_va_h"
1112
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1113
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1114
mpeg_xvmc_decoder_select="mpegvideo_decoder"
1115
msmpeg4v1_encoder_select="h263_encoder"
1116
msmpeg4v2_encoder_select="h263_encoder"
1117
msmpeg4v3_encoder_select="h263_encoder"
1118
nellymoser_decoder_select="fft mdct"
1119
nellymoser_encoder_select="fft mdct"
1120
png_decoder_select="zlib"
1121
png_encoder_select="zlib"
1122
qdm2_decoder_select="fft mdct rdft"
1123
rv10_encoder_select="h263_encoder"
1124
rv20_encoder_select="h263_encoder"
1125
rv30_decoder_select="golomb"
1126
rv40_decoder_select="golomb"
1127
shorten_decoder_select="golomb"
1128
sonic_decoder_select="golomb"
1129
sonic_encoder_select="golomb"
1130
sonic_ls_encoder_select="golomb"
1131
svq3_decoder_select="golomb"
1132
svq3_decoder_suggest="zlib"
1133
theora_decoder_select="vp3_decoder"
1134
tiff_decoder_suggest="zlib"
1135
tiff_encoder_suggest="zlib"
1136
tscc_decoder_select="zlib"
1137
vc1_vaapi_hwaccel_deps="va_va_h"
1138
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1139
vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1140
vc1_vdpau_decoder_select="vdpau vc1_decoder"
1141
vorbis_decoder_select="fft mdct"
1142
vorbis_encoder_select="fft mdct"
1143
vp6a_decoder_select="vp6_decoder"
1144
vp6f_decoder_select="vp6_decoder"
1145
wmav1_decoder_select="fft mdct"
1146
wmav1_encoder_select="fft mdct"
1147
wmav2_decoder_select="fft mdct"
1148
wmav2_encoder_select="fft mdct"
1149
wmv1_encoder_select="h263_encoder"
1150
wmv2_encoder_select="h263_encoder"
1151
wmv3_decoder_select="vc1_decoder"
1152
wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1153
wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1154
zlib_decoder_select="zlib"
1155
zlib_encoder_select="zlib"
1156
zmbv_decoder_select="zlib"
1157
zmbv_encoder_select="zlib"
1158

    
1159
# parsers
1160
h264_parser_select="golomb"
1161

    
1162
# external libraries
1163
libdirac_decoder_deps="libdirac !libschroedinger"
1164
libdirac_encoder_deps="libdirac"
1165
libfaac_encoder_deps="libfaac"
1166
libfaad_decoder_deps="libfaad"
1167
libfaadbin_decoder_extralibs='$ldl'
1168
libgsm_decoder_deps="libgsm"
1169
libgsm_encoder_deps="libgsm"
1170
libgsm_ms_decoder_deps="libgsm"
1171
libgsm_ms_encoder_deps="libgsm"
1172
libmp3lame_encoder_deps="libmp3lame"
1173
libopencore_amrnb_decoder_deps="libopencore_amrnb"
1174
libopencore_amrnb_encoder_deps="libopencore_amrnb"
1175
libopencore_amrwb_decoder_deps="libopencore_amrwb"
1176
libopenjpeg_decoder_deps="libopenjpeg"
1177
libschroedinger_decoder_deps="libschroedinger"
1178
libschroedinger_encoder_deps="libschroedinger"
1179
libspeex_decoder_deps="libspeex"
1180
libtheora_encoder_deps="libtheora"
1181
libvorbis_encoder_deps="libvorbis"
1182
libx264_encoder_deps="libx264"
1183
libxvid_encoder_deps="libxvid"
1184

    
1185
# demuxers / muxers
1186
ac3_demuxer_deps="ac3_parser"
1187
asf_stream_muxer_select="asf_muxer"
1188
avisynth_demuxer_deps="avisynth"
1189
dirac_demuxer_deps="dirac_parser"
1190
ipod_muxer_select="mov_muxer"
1191
libnut_demuxer_deps="libnut"
1192
libnut_muxer_deps="libnut"
1193
matroska_audio_muxer_select="matroska_muxer"
1194
matroska_demuxer_suggest="zlib bzlib"
1195
mov_demuxer_suggest="zlib"
1196
mp3_demuxer_deps="mpegaudio_parser"
1197
mp4_muxer_select="mov_muxer"
1198
mpegtsraw_demuxer_select="mpegts_demuxer"
1199
mxf_d10_muxer_select="mxf_muxer"
1200
psp_muxer_select="mov_muxer"
1201
redir_demuxer_deps="network"
1202
rtp_muxer_deps="network rtp_protocol"
1203
rtsp_demuxer_deps="sdp_demuxer"
1204
sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1205
tg2_muxer_select="mov_muxer"
1206
tgp_muxer_select="mov_muxer"
1207
w64_demuxer_deps="wav_demuxer"
1208

    
1209
# indevs / outdevs
1210
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1211
alsa_indev_extralibs="-lasound"
1212
alsa_outdev_deps="alsa_asoundlib_h"
1213
alsa_outdev_extralibs="-lasound"
1214
audio_beos_indev_deps="audio_beos"
1215
audio_beos_indev_extralibs="-lmedia -lbe"
1216
audio_beos_outdev_deps="audio_beos"
1217
audio_beos_outdev_extralibs="-lmedia -lbe"
1218
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1219
dv1394_indev_deps="dv1394 dv_demuxer"
1220
jack_indev_deps="jack_jack_h"
1221
jack_indev_extralibs="-ljack"
1222
libdc1394_indev_deps="libdc1394"
1223
oss_indev_deps_any="soundcard_h sys_soundcard_h"
1224
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1225
v4l_indev_deps="linux_videodev_h"
1226
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1227
vfwcap_indev_deps="capCreateCaptureWindow"
1228
vfwcap_indev_extralibs="-lvfw32"
1229
x11_grab_device_indev_deps="x11grab XShmCreateImage"
1230
x11_grab_device_indev_extralibs="-lX11 -lXext"
1231

    
1232
# protocols
1233
gopher_protocol_deps="network"
1234
http_protocol_deps="network"
1235
rtmp_protocol_deps="tcp_protocol"
1236
rtp_protocol_deps="udp_protocol"
1237
tcp_protocol_deps="network"
1238
udp_protocol_deps="network"
1239

    
1240
# filters
1241
movie_filter_deps="avfilter_lavf"
1242

    
1243
# programs
1244
ffplay_deps="sdl"
1245
ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1246
ffserver_extralibs='$ldl'
1247

    
1248

    
1249
# default parameters
1250

    
1251
logfile="config.err"
1252

    
1253
# installation paths
1254
prefix_default="/usr/local"
1255
bindir_default='${prefix}/bin'
1256
datadir_default='${prefix}/share/ffmpeg'
1257
incdir_default='${prefix}/include'
1258
libdir_default='${prefix}/lib'
1259
mandir_default='${prefix}/share/man'
1260
shlibdir_default="$libdir_default"
1261

    
1262
# toolchain
1263
ar="ar"
1264
cc_default="gcc"
1265
cc_version=\"unknown\"
1266
host_cc_default="gcc"
1267
ln_s="ln -sf"
1268
nm_default="nm"
1269
objformat="elf"
1270
ranlib="ranlib"
1271
strip="strip"
1272
yasmexe="yasm"
1273

    
1274
# machine
1275
arch=$(uname -m)
1276
cpu="generic"
1277

    
1278
# OS
1279
target_os=$(tolower $(uname -s))
1280
host_os=$target_os
1281

    
1282
# configurable options
1283
enable debug
1284
enable fastdiv
1285
enable ffmpeg
1286
enable ffplay
1287
enable ffserver
1288
enable ipv6
1289
enable mpegaudio_hp
1290
enable network
1291
enable optimizations
1292
enable protocols
1293
enable static
1294
enable stripping
1295
enable swscale_alpha
1296

    
1297
# build settings
1298
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1299
FFSERVERLDFLAGS=-Wl,-E
1300
LIBPREF="lib"
1301
LIBSUF=".a"
1302
FULLNAME='$(NAME)$(BUILDSUF)'
1303
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1304
SLIBPREF="lib"
1305
SLIBSUF=".so"
1306
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1307
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1308
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1309
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1310

    
1311
CC_O='-o $@'
1312

    
1313
host_cflags='-O3 -g -Wall'
1314
host_libs='-lm'
1315

    
1316
target_path='.'
1317

    
1318
# gcc stupidly only outputs the basename of targets with -MM, but we need the
1319
# full relative path for objects in subdirectories for non-recursive Make.
1320
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1321
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1322

    
1323
# find source path
1324
source_path="$(dirname "$0")"
1325
enable source_path_used
1326
if test -f configure; then
1327
    source_path="$(pwd)"
1328
    disable source_path_used
1329
else
1330
    source_path="$(cd "$source_path"; pwd)"
1331
    echo "$source_path" | grep -q '[[:blank:]]' &&
1332
        die "Out of tree builds are impossible with whitespace in source path."
1333
    test -e "$source_path/config.h" &&
1334
        die "Out of tree builds are impossible with config.h in source dir."
1335
fi
1336

    
1337
for v in "$@"; do
1338
    r=${v#*=}
1339
    l=${v%"$r"}
1340
    r=$(sh_quote "$r")
1341
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1342
done
1343

    
1344
find_things(){
1345
    thing=$1
1346
    pattern=$2
1347
    file=$source_path/$3
1348
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1349
}
1350

    
1351
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1352
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1353
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1354
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1355
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1356
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1357
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1358
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1359
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1360
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1361
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1362

    
1363
enable $ARCH_EXT_LIST \
1364
       $DECODER_LIST \
1365
       $ENCODER_LIST \
1366
       $HWACCEL_LIST \
1367
       $PARSER_LIST \
1368
       $BSF_LIST \
1369
       $DEMUXER_LIST \
1370
       $MUXER_LIST \
1371
       $FILTER_LIST \
1372
       $PROTOCOL_LIST \
1373
       $INDEV_LIST \
1374
       $OUTDEV_LIST \
1375

    
1376
die_unknown(){
1377
    echo "Unknown option \"$1\"."
1378
    echo "See $0 --help for available options."
1379
    exit 1
1380
}
1381

    
1382
show_list() {
1383
    suffix=_$1
1384
    shift
1385
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1386
    exit 0
1387
}
1388

    
1389
for opt do
1390
    optval="${opt#*=}"
1391
    case "$opt" in
1392
    --extra-ldflags=*) add_ldflags $optval
1393
    ;;
1394
    --extra-libs=*) add_extralibs $optval
1395
    ;;
1396
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1397
    ;;
1398
    --enable-debug=*) debuglevel="$optval"
1399
    ;;
1400
    --enable-*=*|--disable-*=*)
1401
    eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1402
    is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1403
    eval list=\$$(toupper $thing)_LIST
1404
    name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1405
    $action $(filter "$name" $list)
1406
    ;;
1407
    --enable-?*|--disable-?*)
1408
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1409
    if is_in $option $COMPONENT_LIST; then
1410
        test $action = disable && action=unset
1411
        eval $action \$$(toupper ${option%s})_LIST
1412
    elif is_in $option $CMDLINE_SELECT; then
1413
        $action $option
1414
    else
1415
        die_unknown $opt
1416
    fi
1417
    ;;
1418
    --list-*)
1419
        NAME="${opt#--list-}"
1420
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1421
        NAME=${NAME%s}
1422
        eval show_list $NAME \$$(toupper $NAME)_LIST
1423
    ;;
1424
    --help|-h) show_help
1425
    ;;
1426
    *)
1427
    optname="${opt%%=*}"
1428
    optname="${optname#--}"
1429
    optname=$(echo "$optname" | sed 's/-/_/g')
1430
    if is_in $optname $CMDLINE_SET; then
1431
        eval $optname='$optval'
1432
    elif is_in $optname $CMDLINE_APPEND; then
1433
        append $optname "$optval"
1434
    else
1435
         die_unknown $opt
1436
    fi
1437
    ;;
1438
    esac
1439
done
1440

    
1441
disabled logging && logfile=/dev/null
1442

    
1443
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1444
set >> $logfile
1445

    
1446
test -n "$cross_prefix" && enable cross_compile
1447

    
1448
ar="${cross_prefix}${ar}"
1449
cc_default="${cross_prefix}${cc_default}"
1450
nm_default="${cross_prefix}${nm_default}"
1451
ranlib="${cross_prefix}${ranlib}"
1452
strip="${cross_prefix}${strip}"
1453

    
1454
sysinclude_default="${sysroot}/usr/include"
1455

    
1456
set_default cc nm sysinclude
1457
enabled cross_compile || host_cc_default=$cc
1458
set_default host_cc
1459

    
1460
exesuf() {
1461
    case $1 in
1462
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1463
    esac
1464
}
1465

    
1466
EXESUF=$(exesuf $target_os)
1467
HOSTEXESUF=$(exesuf $host_os)
1468

    
1469
# set temporary file name
1470
: ${TMPDIR:=$TEMPDIR}
1471
: ${TMPDIR:=$TMP}
1472
: ${TMPDIR:=/tmp}
1473

    
1474
if ! check_cmd type mktemp; then
1475
    # simple replacement for missing mktemp
1476
    # NOT SAFE FOR GENERAL USE
1477
    mktemp(){
1478
        echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1479
    }
1480
fi
1481

    
1482
tmpfile(){
1483
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1484
        (set -C; exec > $tmp) 2>/dev/null ||
1485
        die "Unable to create temporary file in $TMPDIR."
1486
    append TMPFILES $tmp
1487
    eval $1=$tmp
1488
}
1489

    
1490
trap 'rm -f -- $TMPFILES' EXIT
1491
trap exit HUP INT TERM
1492

    
1493
tmpfile TMPC  .c
1494
tmpfile TMPE  $EXESUF
1495
tmpfile TMPH  .h
1496
tmpfile TMPO  .o
1497
tmpfile TMPS  .S
1498
tmpfile TMPSH .sh
1499

    
1500
unset -f mktemp
1501

    
1502
# make sure we can execute files in $TMPDIR
1503
cat > $TMPSH 2>> $logfile <<EOF
1504
#! /bin/sh
1505
EOF
1506
chmod +x $TMPSH >> $logfile 2>&1
1507
if ! $TMPSH >> $logfile 2>&1; then
1508
    cat <<EOF
1509
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1510
variable to another directory and make sure that it is not mounted noexec.
1511
EOF
1512
    die "Sanity test failed."
1513
fi
1514

    
1515
filter_cflags=echo
1516
filter_cppflags=echo
1517
filter_asflags=echo
1518

    
1519
if   $cc -v 2>&1 | grep -qi ^gcc; then
1520
    cc_type=gcc
1521
    cc_version=__VERSION__
1522
    if ! $cc -dumpversion | grep -q '^2\.'; then
1523
        CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1524
        AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1525
    fi
1526
elif $cc --version 2>/dev/null | grep -q Intel; then
1527
    cc_type=icc
1528
    cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1529
    CC_DEPFLAGS='-MMD'
1530
    AS_DEPFLAGS='-MMD'
1531
elif $cc -v 2>&1 | grep -q xlc; then
1532
    cc_type=xlc
1533
    cc_version="AV_STRINGIFY(__IBMC__)"
1534
elif $cc -V 2>/dev/null | grep -q Compaq; then
1535
    cc_type=ccc
1536
    cc_version="AV_STRINGIFY(__DECC_VER)"
1537
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1538
    debuglevel=3
1539
    add_ldflags -Wl,-z,now # calls to libots crash without this
1540
elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1541
    test -d "$sysroot" || die "No valid sysroot specified."
1542
    cc_type=armcc
1543
    cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1544
    armcc_conf="$PWD/armcc.conf"
1545
    $cc --arm_linux_configure                 \
1546
        --arm_linux_config_file="$armcc_conf" \
1547
        --configure_sysroot="$sysroot"        \
1548
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1549
        die "Error creating armcc configuration file."
1550
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1551
    as_default="${cross_prefix}gcc"
1552
    CC_DEPFLAGS='-MMD'
1553
    AS_DEPFLAGS='-MMD'
1554
elif $cc -version 2>/dev/null | grep -q TMS470; then
1555
    cc_type=tms470
1556
    cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1557
    cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1558
    CC_O='-fr=$(@D)'
1559
    as_default="${cross_prefix}gcc"
1560
    ld_default="${cross_prefix}gcc"
1561
    TMPO=$(basename $TMPC .c).o
1562
    append TMPFILES $TMPO
1563
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1564
    CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1565
    AS_DEPFLAGS='-MMD'
1566
    filter_cflags=tms470_flags
1567
    tms470_flags(){
1568
        for flag; do
1569
            case $flag in
1570
                -march=*|-mcpu=*)
1571
                    case "${flag#*=}" in
1572
                        armv7-a|cortex-a*)      echo -mv=7a8 ;;
1573
                        armv7-r|cortex-r*)      echo -mv=7r4 ;;
1574
                        armv7-m|cortex-m*)      echo -mv=7m3 ;;
1575
                        armv6*|arm11*)          echo -mv=6   ;;
1576
                        armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1577
                                                echo -mv=5e  ;;
1578
                        armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1579
                    esac
1580
                    ;;
1581
                -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1582
                -mfpu=vfp)      echo --float_support=vfpv2        ;;
1583
                -msoft-float)   echo --float_support=vfplib       ;;
1584
                -Os)            echo -O3 -mf=2                    ;;
1585
                -O[0-3])        echo $flag -mf=5                  ;;
1586
                -g)             echo -g -mn                       ;;
1587
            esac
1588
        done
1589
    }
1590
fi
1591

    
1592
test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1593

    
1594
: ${as_default:=$cc}
1595
: ${dep_cc_default:=$cc}
1596
: ${ld_default:=$cc}
1597
set_default as dep_cc ld
1598

    
1599
test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1600
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1601

    
1602
add_cflags $extra_cflags
1603
add_asflags $extra_cflags
1604

    
1605
if test -n "$sysroot"; then
1606
    case "$cc_type" in
1607
        gcc)
1608
            add_cppflags --sysroot="$sysroot"
1609
            add_ldflags --sysroot="$sysroot"
1610
        ;;
1611
        tms470)
1612
            add_cppflags -I"$sysinclude"
1613
            add_ldflags  --sysroot="$sysroot"
1614
        ;;
1615
    esac
1616
fi
1617

    
1618
if test "$cpu" = host; then
1619
    enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1620

    
1621
    case "$cc_type" in
1622
        gcc)
1623
            check_native(){
1624
                $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1625
                awk "/$1=/{ match(\$0, /$1=(\\w+)/, a);print a[1];exit }" $TMPE
1626
            }
1627
            cpu=$(check_native -march || check_native -mcpu)
1628
        ;;
1629
    esac
1630

    
1631
    test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1632
fi
1633

    
1634
# Add processor-specific flags
1635
case $cpu in
1636
    601|ppc601|PowerPC601)
1637
        cpuflags="-mcpu=601"
1638
    ;;
1639
    603*|ppc603*|PowerPC603*)
1640
        cpuflags="-mcpu=603"
1641
    ;;
1642
    604*|ppc604*|PowerPC604*)
1643
        cpuflags="-mcpu=604"
1644
    ;;
1645
    G3|g3|75*|ppc75*|PowerPC75*)
1646
        cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1647
    ;;
1648
    G4|g4|745*|ppc745*|PowerPC745*)
1649
        cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1650
    ;;
1651
    74*|ppc74*|PowerPC74*)
1652
        cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1653
    ;;
1654
    G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1655
        cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1656
    ;;
1657
    Cell|CELL|cell)
1658
        cpuflags="-mcpu=cell"
1659
        enable ldbrx
1660
    ;;
1661
    # targets that do NOT support conditional mov (cmov)
1662
    i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1663
        cpuflags="-march=$cpu"
1664
        disable cmov
1665
    ;;
1666
    # targets that do support conditional mov (cmov)
1667
    i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1668
        cpuflags="-march=$cpu"
1669
        enable cmov
1670
        enable fast_cmov
1671
    ;;
1672
    # targets that do support conditional mov but on which it's slow
1673
    pentium4|pentium4m|prescott|nocona)
1674
        cpuflags="-march=$cpu"
1675
        enable cmov
1676
        disable fast_cmov
1677
    ;;
1678
    sparc64)
1679
        cpuflags="-mcpu=v9"
1680
    ;;
1681
    arm11*|cortex*)
1682
        cpuflags="-mcpu=$cpu"
1683
        enable fast_unaligned
1684
    ;;
1685
    armv[67]*)
1686
        cpuflags="-march=$cpu"
1687
        enable fast_unaligned
1688
    ;;
1689
    armv*)
1690
        cpuflags="-march=$cpu"
1691
    ;;
1692
    arm*)
1693
        cpuflags="-mcpu=$cpu"
1694
    ;;
1695
    ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1696
        enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1697
    ;;
1698
    bf*)
1699
        cpuflags="-mcpu=$cpu"
1700
    ;;
1701
    mips*|[45]k*|[237]4k*|m4k|r*000|loongson2[ef])
1702
        cpuflags="-march=$cpu"
1703
    ;;
1704
    ap7[02]0[0-2])
1705
        subarch="avr32_ap"
1706
        cpuflags="-mpart=$cpu"
1707
    ;;
1708
    ap)
1709
        subarch="avr32_ap"
1710
        cpuflags="-march=$cpu"
1711
    ;;
1712
    uc3[ab]*)
1713
        subarch="avr32_uc"
1714
        cpuflags="-mcpu=$cpu"
1715
    ;;
1716
    uc)
1717
        subarch="avr32_uc"
1718
        cpuflags="-march=$cpu"
1719
    ;;
1720
    generic)
1721
    ;;
1722
    *)
1723
        echo "WARNING: Unknown CPU \"$cpu\", ignored."
1724
    ;;
1725
esac
1726

    
1727
add_cflags $cpuflags
1728
add_asflags $cpuflags
1729

    
1730
# compiler sanity check
1731
check_exec <<EOF
1732
int main(void){ return 0; }
1733
EOF
1734
if test "$?" != 0; then
1735
    echo "$cc is unable to create an executable file."
1736
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
1737
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1738
        echo "Only do this if you know what cross compiling means."
1739
    fi
1740
    die "C compiler test failed."
1741
fi
1742

    
1743
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1744
check_cflags -std=c99
1745
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1746
#include <stdlib.h>
1747
EOF
1748
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
1749
#include <stdlib.h>
1750
EOF
1751

    
1752
case "$arch" in
1753
    alpha)
1754
        arch="alpha"
1755
        enable fast_64bit
1756
        check_cflags -mieee
1757
        spic=$shared
1758
    ;;
1759
    arm|armv[4567]*l)
1760
        arch="arm"
1761
    ;;
1762
    avr32)
1763
    ;;
1764
    bfin)
1765
        arch="bfin"
1766
    ;;
1767
    ia64)
1768
        arch="ia64"
1769
        enable fast_64bit
1770
        spic=$shared
1771
    ;;
1772
    m68k)
1773
        arch="m68k"
1774
    ;;
1775
    mips|mipsel|IP*)
1776
        arch="mips"
1777
        spic=$shared
1778
    ;;
1779
    mips64)
1780
        arch="mips"
1781
        subarch="mips64"
1782
        enable fast_64bit
1783
        spic=$shared
1784
    ;;
1785
    parisc|hppa)
1786
        arch="parisc"
1787
        spic=$shared
1788
    ;;
1789
    parisc64|hppa64)
1790
        arch="parisc"
1791
        enable fast_64bit
1792
        spic=$shared
1793
    ;;
1794
    "Power Macintosh"|ppc|powerpc)
1795
        arch="ppc"
1796
        enable fast_unaligned
1797
    ;;
1798
    ppc64)
1799
        arch="ppc"
1800
        subarch="ppc64"
1801
        enable fast_64bit
1802
        enable fast_unaligned
1803
    ;;
1804
    s390|s390x)
1805
        arch="s390"
1806
    ;;
1807
    sh4|sh)
1808
        arch="sh4"
1809
    ;;
1810
    sparc)
1811
        arch="sparc"
1812
        spic=$shared
1813
    ;;
1814
    sun4u|sparc64)
1815
        arch="sparc"
1816
        subarch="sparc64"
1817
        enable fast_64bit
1818
        spic=$shared
1819
    ;;
1820
    i386|i486|i586|i686|i86pc|BePC|x86_64|amd64)
1821
        arch="x86"
1822
        subarch="x86_32"
1823
        enable fast_unaligned
1824
        check_cc <<EOF && enable fast_64bit && subarch="x86_64" && spic=$shared
1825
        int test[sizeof(char*) - 7];
1826
EOF
1827
        if test "$subarch" = "x86_64"; then
1828
            enable cmov
1829
            enable fast_cmov
1830
        fi
1831
    ;;
1832
    *)
1833
        arch="unknown"
1834
    ;;
1835
esac
1836

    
1837
enable $arch $subarch
1838
enabled spic && enable pic
1839

    
1840
# OS specific
1841
case $target_os in
1842
    beos|haiku|zeta)
1843
        prefix_default="$HOME/config"
1844
        # helps building libavcodec
1845
        add_cppflags -DPIC
1846
        add_cflags -fomit-frame-pointer
1847
        # 3 gcc releases known for BeOS, each with ugly bugs
1848
        gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1849
        case "$gcc_version" in
1850
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1851
            disable mmx
1852
            ;;
1853
          *20010315*) echo "BeBits gcc"
1854
            add_cflags -fno-expensive-optimizations
1855
            ;;
1856
        esac
1857
        SHFLAGS=-nostart
1858
        # enable BeOS things
1859
        enable audio_beos
1860
        # no need for libm, but the inet stuff
1861
        # Check for BONE
1862
        # XXX: actually should check for NOT net_server
1863
        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1864
            network_extralibs="-lbind -lsocket"
1865
        else
1866
            enable beos_netserver
1867
            network_extralibs="-lnet"
1868
        fi ;;
1869
    sunos)
1870
        FFSERVERLDFLAGS=""
1871
        SHFLAGS='-shared -Wl,-h,$$(@F)'
1872
        network_extralibs="-lsocket -lnsl"
1873
        add_cppflags -D__EXTENSIONS__
1874
        ;;
1875
    netbsd)
1876
        oss_indev_extralibs="-lossaudio"
1877
        oss_outdev_extralibs="-lossaudio"
1878
        ;;
1879
    openbsd)
1880
        enable malloc_aligned
1881
        enable pic
1882
        SHFLAGS='-shared'
1883
        oss_indev_extralibs="-lossaudio"
1884
        oss_outdev_extralibs="-lossaudio"
1885
        ;;
1886
    freebsd|dragonfly)
1887
        enable malloc_aligned
1888
        ;;
1889
    bsd/os)
1890
        osextralibs="-lpoll -lgnugetopt"
1891
        strip="strip -d"
1892
        ;;
1893
    darwin)
1894
        enable malloc_aligned
1895
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1896
        strip="strip -x"
1897
        FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1898
        SLIBSUF=".dylib"
1899
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1900
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1901
        FFSERVERLDFLAGS=-Wl,-bind_at_load
1902
        objformat="macho"
1903
        enabled x86_64 && objformat="macho64"
1904
        enabled shared ||
1905
            { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
1906
        ;;
1907
    mingw32*)
1908
        if test $target_os = "mingw32ce"; then
1909
            disable network
1910
        else
1911
            target_os=mingw32
1912
        fi
1913
        LIBTARGET=i386
1914
        if enabled x86_64; then
1915
            enable malloc_aligned
1916
            LIBTARGET=x64
1917
        elif enabled arm; then
1918
            LIBTARGET=arm
1919
        fi
1920
        shlibdir_default="$bindir_default"
1921
        disable ffserver
1922
        SLIBPREF=""
1923
        SLIBSUF=".dll"
1924
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1925
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1926
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1927
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1928
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
1929
            install -d "$(LIBDIR)"; \
1930
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
1931
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1932
        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'
1933
        objformat="win32"
1934
        enable dos_paths
1935
        check_cflags -fno-common
1936
        if ! enabled x86_64; then
1937
            check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1938
                die "ERROR: MinGW runtime version must be >= 3.15."
1939
            enabled_any avisynth vfwcap_indev &&
1940
                { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1941
                  die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
1942
            fi
1943
        ;;
1944
    cygwin*)
1945
        target_os=cygwin
1946
        shlibdir_default="$bindir_default"
1947
        SLIBPREF="cyg"
1948
        SLIBSUF=".dll"
1949
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1950
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1951
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
1952
        objformat="win32"
1953
        enable dos_paths
1954
        check_cflags -fno-common
1955
        ;;
1956
    *-dos|freedos|opendos)
1957
        disable ffplay ffserver
1958
        disable $INDEV_LIST $OUTDEV_LIST
1959
        network_extralibs="-lsocket"
1960
        objformat="coff"
1961
        enable dos_paths
1962
        ;;
1963
    linux)
1964
        enable dv1394
1965
        ;;
1966
    irix*)
1967
        target_os=irix
1968
        ranlib="echo ignoring ranlib"
1969
        ;;
1970
    os/2*)
1971
        strip="lxlite"
1972
        ln_s="cp -f"
1973
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1974
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1975
        FFSERVERLDFLAGS=""
1976
        LIBSUF="_s.a"
1977
        SLIBPREF=""
1978
        SLIBSUF=".dll"
1979
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1980
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1981
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1982
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1983
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1984
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1985
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1986
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1987
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1988
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1989
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1990
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1991
        enable dos_paths
1992
        ;;
1993
    gnu/kfreebsd)
1994
        ;;
1995
    gnu)
1996
        ;;
1997

    
1998
    *)
1999
        die "Unknown OS '$target_os'."
2000
        ;;
2001
esac
2002

    
2003
set_default $PATHS_LIST
2004

    
2005
add_extralibs $osextralibs
2006

    
2007
# Combine FFLDFLAGS and the LDFLAGS environment variable.
2008
LDFLAGS="$FFLDFLAGS $LDFLAGS"
2009

    
2010
# we need to build at least one lib type
2011
if ! enabled_any static shared; then
2012
    cat <<EOF
2013
At least one library type must be built.
2014
Specify --enable-static to build the static libraries or --enable-shared to
2015
build the shared libraries as well. To only build the shared libraries specify
2016
--disable-static in addition to --enable-shared.
2017
EOF
2018
    exit 1;
2019
fi
2020

    
2021
disabled static && LIBNAME=""
2022

    
2023
if enabled_any libfaad libfaadbin ; then
2024
    if check_header faad.h; then
2025
        check_cc <<EOF
2026
#include <faad.h>
2027
#ifndef FAAD2_VERSION
2028
ok faad1
2029
#endif
2030
int main(void) { return 0; }
2031
EOF
2032
        test $? = 0 && enable libfaad2
2033
    else
2034
        die "FAAD test failed."
2035
    fi
2036
fi
2037

    
2038

    
2039
die_license_disabled() {
2040
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2041
}
2042

    
2043
die_license_disabled gpl libfaad2
2044
die_license_disabled gpl libx264
2045
die_license_disabled gpl libxvid
2046
die_license_disabled gpl postproc
2047
die_license_disabled gpl x11grab
2048

    
2049
die_license_disabled nonfree libfaac
2050

    
2051
die_license_disabled version3 libopencore_amrnb
2052
die_license_disabled version3 libopencore_amrwb
2053

    
2054
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2055

    
2056
check_deps $ARCH_EXT_LIST
2057

    
2058
disabled optimizations || check_cflags -fomit-frame-pointer
2059

    
2060
if enabled pic; then
2061
    add_cppflags -DPIC
2062
    add_cflags   -fPIC
2063
    add_asflags  -fPIC
2064
fi
2065

    
2066
check_cc <<EOF || die "Symbol mangling check failed."
2067
int ff_extern;
2068
EOF
2069
sym=$($nm -P -g $TMPO | grep ff_extern)
2070
extern_prefix=${sym%%ff_extern*}
2071

    
2072
check_cc <<EOF && enable inline_asm
2073
void foo(void) { __asm__ volatile ("" ::); }
2074
EOF
2075

    
2076
_restrict=
2077
for restrict_keyword in restrict __restrict__ __restrict; do
2078
    check_cc <<EOF && _restrict=$restrict_keyword && break
2079
void foo(char * $restrict_keyword p);
2080
EOF
2081
done
2082

    
2083
check_cc <<EOF && enable attribute_packed
2084
struct { int x; } __attribute__((packed)) x;
2085
EOF
2086

    
2087
check_cc <<EOF || die "endian test failed"
2088
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2089
EOF
2090
od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2091

    
2092
if enabled arm; then
2093

    
2094
    check_ld <<EOF && enable vfp_args
2095
__asm__ (".eabi_attribute 28, 1");
2096
int main(void) { return 0; }
2097
EOF
2098

    
2099
    # We have to check if pld is a nop and disable it.
2100
    check_asm pld '"pld [r0]"'
2101

    
2102
    enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2103
    enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2104
    enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2105
    enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2106
    enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2107
    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2108

    
2109
elif enabled mips; then
2110

    
2111
    check_asm loongson '"dmult.g $1, $2, $3"'
2112
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2113

    
2114
elif enabled ppc; then
2115

    
2116
    check_asm dcbzl     '"dcbzl 0, 1"'
2117
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2118
    check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
2119

    
2120
    # AltiVec flags: The FSF version of GCC differs from the Apple version
2121
    if enabled altivec; then
2122
        check_cflags -maltivec -mabi=altivec &&
2123
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2124
        check_cflags -faltivec
2125

    
2126
        # check if our compiler supports Motorola AltiVec C API
2127
        check_cc <<EOF || disable altivec
2128
$inc_altivec_h
2129
int main(void) {
2130
    vector signed int v1, v2, v3;
2131
    v1 = vec_add(v2,v3);
2132
    return 0;
2133
}
2134
EOF
2135

    
2136
        # check if our compiler supports braces for vector declarations
2137
        check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2138
$inc_altivec_h
2139
int main (void) { (vector int) {1}; return 0; }
2140
EOF
2141
    fi
2142

    
2143
elif enabled sparc; then
2144

    
2145
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2146
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2147

    
2148
elif enabled x86; then
2149

    
2150
    # check whether EBP is available on x86
2151
    # As 'i' is stored on the stack, this program will crash
2152
    # if the base pointer is used to access it because the
2153
    # base pointer is cleared in the inline assembly code.
2154
    check_exec_crash <<EOF && enable ebp_available
2155
    volatile int i=0;
2156
    __asm__ volatile (
2157
        "xorl %%ebp, %%ebp"
2158
    ::: "%ebp");
2159
    return i;
2160
EOF
2161

    
2162
    # check whether EBX is available on x86
2163
    check_asm ebx_available '""::"b"(0)' &&
2164
        check_asm ebx_available '"":::"%ebx"'
2165

    
2166
    # check whether more than 10 operands are supported
2167
    check_cc <<EOF && enable ten_operands
2168
int main(void) {
2169
    int x=0;
2170
    __asm__ volatile(
2171
        ""
2172
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2173
    );
2174
    return 0;
2175
}
2176
EOF
2177

    
2178
    # check whether binutils is new enough to compile SSSE3/MMX2
2179
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2180
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2181

    
2182
    check_asm bswap '"bswap %%eax" ::: "%eax"'
2183

    
2184
    YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2185
    enabled     x86_64        && append YASMFLAGS "-m amd64"
2186
    enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
2187
    case "$objformat" in
2188
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2189
        macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
2190
        *)                    append YASMFLAGS "-DPREFIX"  ;;
2191
    esac
2192
    disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2193

    
2194
fi
2195

    
2196
if check_func dlopen; then
2197
    ldl=
2198
elif check_func dlopen -ldl; then
2199
    ldl=-ldl
2200
fi
2201

    
2202
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2203
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2204

    
2205
check_func  fork
2206
check_func  gethrtime
2207
check_func  getrusage
2208
check_func  inet_aton $network_extralibs
2209
check_func  isatty
2210
check_func  memalign
2211
check_func  mkstemp
2212
check_func  posix_memalign
2213
check_func_headers io.h setmode
2214
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2215
check_func_headers windows.h GetProcessTimes
2216
check_func_headers windows.h VirtualAlloc
2217

    
2218
check_header conio.h
2219
check_header dlfcn.h
2220
check_header malloc.h
2221
check_header poll.h
2222
check_header sys/mman.h
2223
check_header sys/resource.h
2224
check_header sys/select.h
2225
check_header termios.h
2226
check_header vdpau/vdpau.h
2227
check_header vdpau/vdpau_x11.h
2228
check_header X11/extensions/XvMClib.h
2229

    
2230
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2231
     enabled_any $need_memalign ; then
2232
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2233
fi
2234

    
2235
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2236
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2237

    
2238
# check for some common methods of building with pthread support
2239
# do this before the optional library checks as some of them require pthreads
2240
if enabled pthreads; then
2241
    if check_func pthread_create; then
2242
        :
2243
    elif check_func pthread_create -pthread; then
2244
        add_cflags -pthread
2245
        add_extralibs -pthread
2246
    elif check_func pthread_create -pthreads; then
2247
        add_cflags -pthreads
2248
        add_extralibs -pthreads
2249
    elif check_func pthread_create -lpthreadGC2; then
2250
        add_extralibs -lpthreadGC2
2251
    elif ! check_lib pthread.h pthread_create -lpthread; then
2252
        die "ERROR: can't find pthreads library"
2253
    fi
2254
fi
2255

    
2256
for thread in $THREADS_LIST; do
2257
    if enabled $thread; then
2258
        test -n "$thread_type" &&
2259
            die "ERROR: Only one thread type must be selected." ||
2260
            thread_type="$thread"
2261
    fi
2262
done
2263

    
2264
check_lib math.h sin -lm
2265
check_lib va/va.h vaInitialize -lva
2266

    
2267
check_func llrint
2268
check_func log2
2269
check_func lrint
2270
check_func lrintf
2271
check_func round
2272
check_func roundf
2273
check_func truncf
2274

    
2275
# these are off by default, so fail if requested and not available
2276
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2277
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2278
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2279
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2280
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2281
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2282
enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
2283
enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2284
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2285
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2286
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2287
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2288
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2289
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2290
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2291
enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
2292
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2293
enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 -lm &&
2294
                      { check_cpp_condition x264.h "X264_BUILD >= 76" ||
2295
                        die "ERROR: libx264 version must be >= 0.76."; }
2296
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2297
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2298

    
2299
# libdc1394 check
2300
if enabled libdc1394; then
2301
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2302
        enable libdc1394_2; } ||
2303
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2304
        enable libdc1394_1; } ||
2305
    die "ERROR: No version of libdc1394 found "
2306
fi
2307

    
2308
disable sdl_too_old
2309
disable sdl
2310
SDL_CONFIG="${cross_prefix}sdl-config"
2311
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2312
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2313
    temp_cflags $sdl_cflags
2314
    temp_extralibs $("${SDL_CONFIG}" --libs)
2315
    if check_lib2 SDL.h SDL_Init; then
2316
        _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2317
        if test "$_sdlversion" -lt 121 ; then
2318
            enable sdl_too_old
2319
        else
2320
            enable sdl
2321
            check_cc $sdl_cflags <<EOF && enable sdl_video_size
2322
#include <SDL.h>
2323
int main(int argc, char **argv){
2324
    const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2325
    int w = vi->current_w;
2326
    return 0;
2327
}
2328
EOF
2329
        fi
2330
    fi
2331
    restore_flags
2332
fi
2333

    
2334
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2335

    
2336
if enabled network; then
2337
    check_type "sys/types.h sys/socket.h" socklen_t
2338
    # Prefer arpa/inet.h over winsock2
2339
    if check_header arpa/inet.h ; then
2340
        check_func closesocket
2341
    elif check_header winsock2.h ; then
2342
        check_func_headers winsock2.h closesocket -lws2 && \
2343
            network_extralibs="-lws2" || \
2344
        { check_func_headers winsock2.h closesocket -lws2_32 && \
2345
            network_extralibs="-lws2_32"; }
2346
        check_type ws2tcpip.h socklen_t
2347
    else
2348
        disable network
2349
    fi
2350
fi
2351

    
2352
enabled_all network ipv6 && check_ld <<EOF || disable ipv6
2353
#include <sys/types.h>
2354
#include <sys/socket.h>
2355
#include <netinet/in.h>
2356
#include <netdb.h>
2357
int main(void) {
2358
    struct sockaddr_storage saddr;
2359
    struct ipv6_mreq mreq6;
2360
    getaddrinfo(0,0,0,0);
2361
    getnameinfo(0,0,0,0,0,0,0);
2362
    IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2363
}
2364
EOF
2365

    
2366
check_header linux/videodev.h
2367
check_header linux/videodev2.h
2368
check_header sys/videoio.h
2369

    
2370
check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2371

    
2372
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2373
{ check_header dev/bktr/ioctl_meteor.h &&
2374
  check_header dev/bktr/ioctl_bt848.h; } ||
2375
{ check_header machine/ioctl_meteor.h &&
2376
  check_header machine/ioctl_bt848.h; } ||
2377
{ check_header dev/video/meteor/ioctl_meteor.h &&
2378
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2379
check_header dev/ic/bt8xx.h
2380

    
2381
check_header sys/soundcard.h
2382
check_header soundcard.h
2383

    
2384
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2385

    
2386
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2387

    
2388
enabled x11grab                         &&
2389
check_header X11/Xlib.h                 &&
2390
check_header X11/extensions/XShm.h      &&
2391
check_func XOpenDisplay -lX11           &&
2392
check_func XShmCreateImage -lX11 -lXext
2393

    
2394
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2395

    
2396
# add some useful compiler flags if supported
2397
check_cflags -Wdeclaration-after-statement
2398
check_cflags -Wall
2399
check_cflags -Wno-switch
2400
check_cflags -Wdisabled-optimization
2401
check_cflags -Wpointer-arith
2402
check_cflags -Wredundant-decls
2403
check_cflags -Wno-pointer-sign
2404
check_cflags -Wcast-qual
2405
check_cflags -Wwrite-strings
2406
check_cflags -Wtype-limits
2407
check_cflags -Wundef
2408
enabled extra_warnings && check_cflags -Winline
2409

    
2410
# add some linker flags
2411
check_ldflags -Wl,--warn-common
2412
check_ldflags -Wl,--as-needed
2413
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'
2414
check_ldflags -Wl,-Bsymbolic
2415

    
2416
if enabled small; then
2417
    check_cflags -Os            # not all compilers support -Os
2418
    optimizations="small"
2419
elif enabled optimizations; then
2420
    if enabled xlc; then
2421
        add_cflags  -O5
2422
        add_ldflags -O5
2423
    elif enabled ccc; then
2424
        add_cflags -fast
2425
    else
2426
        add_cflags -O3
2427
    fi
2428
fi
2429
check_cflags -fno-math-errno
2430
check_cflags -fno-signed-zeros
2431

    
2432
if enabled icc; then
2433
    # Just warnings, no remarks
2434
    check_cflags -w1
2435
    # -wd: Disable following warnings
2436
    # 144, 167, 556: -Wno-pointer-sign
2437
    # 10006: ignoring unknown option -fno-signed-zeros
2438
    # 10156: ignoring option '-W'; no argument required
2439
    check_cflags -wd144,167,556,10006,10156
2440
    # 11030: Warning unknown option --as-needed
2441
    # 10156: ignoring option '-export'; no argument required
2442
    check_ldflags -wd10156,11030
2443
    # Allow to compile with optimizations
2444
    check_ldflags -march=$cpu
2445
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2446
    enable ebp_available
2447
elif enabled ccc; then
2448
    # disable some annoying warnings
2449
    add_cflags -msg_disable cvtu32to64
2450
    add_cflags -msg_disable embedcomment
2451
    add_cflags -msg_disable needconstext
2452
    add_cflags -msg_disable nomainieee
2453
    add_cflags -msg_disable ptrmismatch1
2454
    add_cflags -msg_disable unreachcode
2455
elif enabled gcc; then
2456
    check_cflags -fno-tree-vectorize
2457
fi
2458

    
2459
if enabled gprof; then
2460
    add_cflags  -p
2461
    add_ldflags -p
2462
fi
2463

    
2464
# Find out if the .align argument is a power of two or not.
2465
check_asm asmalign_pot '".align 3"'
2466

    
2467
enabled_any $DECODER_LIST      && enable decoders
2468
enabled_any $ENCODER_LIST      && enable encoders
2469
enabled_any $HWACCEL_LIST      && enable hwaccels
2470
enabled_any $BSF_LIST          && enable bsfs
2471
enabled_any $DEMUXER_LIST      && enable demuxers
2472
enabled_any $MUXER_LIST        && enable muxers
2473
enabled_any $FILTER_LIST       && enable filters
2474
enabled_any $INDEV_LIST        && enable indevs
2475
enabled_any $OUTDEV_LIST       && enable outdevs
2476
enabled_any $PROTOCOL_LIST     && enable protocols
2477

    
2478
enabled_any $THREADS_LIST      && enable threads
2479

    
2480
check_deps $CONFIG_LIST       \
2481
           $CONFIG_EXTRA      \
2482
           $HAVE_LIST         \
2483
           $DECODER_LIST      \
2484
           $ENCODER_LIST      \
2485
           $HWACCEL_LIST      \
2486
           $PARSER_LIST       \
2487
           $BSF_LIST          \
2488
           $DEMUXER_LIST      \
2489
           $MUXER_LIST        \
2490
           $FILTER_LIST       \
2491
           $INDEV_LIST        \
2492
           $OUTDEV_LIST       \
2493
           $PROTOCOL_LIST     \
2494

    
2495
echo "install prefix            $prefix"
2496
echo "source path               $source_path"
2497
echo "C compiler                $cc"
2498
echo ".align is power-of-two    $asmalign_pot"
2499
echo "ARCH                      $arch ($cpu)"
2500
if test "$build_suffix" != ""; then
2501
    echo "build suffix              $build_suffix"
2502
fi
2503
if test "$extra_version" != ""; then
2504
    echo "version string suffix     $extra_version"
2505
fi
2506
echo "big-endian                ${bigendian-no}"
2507
echo "runtime cpu detection     ${runtime_cpudetect-no}"
2508
if enabled x86; then
2509
    echo "yasm                      ${yasm-no}"
2510
    echo "MMX enabled               ${mmx-no}"
2511
    echo "MMX2 enabled              ${mmx2-no}"
2512
    echo "3DNow! enabled            ${amd3dnow-no}"
2513
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
2514
    echo "SSE enabled               ${sse-no}"
2515
    echo "SSSE3 enabled             ${ssse3-no}"
2516
    echo "CMOV enabled              ${cmov-no}"
2517
    echo "CMOV is fast              ${fast_cmov-no}"
2518
    echo "EBX available             ${ebx_available-no}"
2519
    echo "EBP available             ${ebp_available-no}"
2520
    echo "10 operands supported     ${ten_operands-no}"
2521
fi
2522
if enabled arm; then
2523
    echo "ARMv5TE enabled           ${armv5te-no}"
2524
    echo "ARMv6 enabled             ${armv6-no}"
2525
    echo "ARMv6T2 enabled           ${armv6t2-no}"
2526
    echo "ARM VFP enabled           ${armvfp-no}"
2527
    echo "IWMMXT enabled            ${iwmmxt-no}"
2528
    echo "NEON enabled              ${neon-no}"
2529
fi
2530
if enabled mips; then
2531
    echo "MMI enabled               ${mmi-no}"
2532
fi
2533
if enabled ppc; then
2534
    echo "AltiVec enabled           ${altivec-no}"
2535
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
2536
    echo "dcbzl available           ${dcbzl-no}"
2537
    echo "performance report        ${powerpc_perf-no}"
2538
fi
2539
if enabled sparc; then
2540
    echo "VIS enabled               ${vis-no}"
2541
fi
2542
echo "gprof enabled             ${gprof-no}"
2543
echo "debug symbols             ${debug-no}"
2544
echo "strip symbols             ${stripping-no}"
2545
echo "optimizations             ${optimizations-no}"
2546
echo "static                    ${static-no}"
2547
echo "shared                    ${shared-no}"
2548
echo "postprocessing support    ${postproc-no}"
2549
echo "new filter support        ${avfilter-no}"
2550
echo "filters using lavformat   ${avfilter_lavf-no}"
2551
echo "network support           ${network-no}"
2552
if enabled network; then
2553
    echo "IPv6 support              ${ipv6-no}"
2554
fi
2555
echo "threading support         ${thread_type-no}"
2556
echo "SDL support               ${sdl-no}"
2557
if enabled sdl_too_old; then
2558
    echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2559
fi
2560
echo "Sun medialib support      ${mlib-no}"
2561
echo "AVISynth enabled          ${avisynth-no}"
2562
echo "libdc1394 support         ${libdc1394-no}"
2563
echo "libdirac enabled          ${libdirac-no}"
2564
echo "libfaac enabled           ${libfaac-no}"
2565
echo "libfaad enabled           ${libfaad-no}"
2566
echo "libfaad dlopened          ${libfaadbin-no}"
2567
echo "libgsm enabled            ${libgsm-no}"
2568
echo "libmp3lame enabled        ${libmp3lame-no}"
2569
echo "libnut enabled            ${libnut-no}"
2570
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2571
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2572
echo "libopenjpeg enabled       ${libopenjpeg-no}"
2573
echo "libschroedinger enabled   ${libschroedinger-no}"
2574
echo "libspeex enabled          ${libspeex-no}"
2575
echo "libtheora enabled         ${libtheora-no}"
2576
echo "libvorbis enabled         ${libvorbis-no}"
2577
echo "libx264 enabled           ${libx264-no}"
2578
echo "libxvid enabled           ${libxvid-no}"
2579
echo "zlib enabled              ${zlib-no}"
2580
echo "bzlib enabled             ${bzlib-no}"
2581
echo
2582

    
2583
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2584
    echo "Enabled ${type}s:"
2585
    eval list=\$$(toupper $type)_LIST
2586
    for part in $list; do
2587
        enabled $part && echo ${part%_*}
2588
    done | sort | pr -3 -t
2589
    echo
2590
done
2591

    
2592
license="LGPL version 2.1 or later"
2593
if enabled nonfree; then
2594
    license="nonfree and unredistributable"
2595
elif enabled gplv3; then
2596
    license="GPL version 3 or later"
2597
elif enabled lgplv3; then
2598
    license="LGPL version 3 or later"
2599
elif enabled gpl; then
2600
    license="GPL version 2 or later"
2601
fi
2602

    
2603
echo "License: $license"
2604

    
2605
echo "Creating config.mak and config.h..."
2606

    
2607
echo "# Automatically generated by configure - do not modify!" > config.mak
2608
echo "ifndef FFMPEG_CONFIG_MAK" >> config.mak
2609
echo "FFMPEG_CONFIG_MAK=1" >> config.mak
2610

    
2611
echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2612
echo "prefix=$prefix" >> config.mak
2613
echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2614
echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2615
echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2616
echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2617
echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2618
echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2619
echo "SRC_PATH=\"$source_path\"" >> config.mak
2620
echo "SRC_PATH_BARE=$source_path" >> config.mak
2621
echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2622
echo "CC=$cc" >> config.mak
2623
echo "AS=$as" >> config.mak
2624
echo "LD=$ld" >> config.mak
2625
echo "DEPCC=$dep_cc" >> config.mak
2626
echo "YASM=$yasmexe" >> config.mak
2627
echo "AR=$ar" >> config.mak
2628
echo "RANLIB=$ranlib" >> config.mak
2629
echo "LN_S=$ln_s" >> config.mak
2630
enabled stripping &&
2631
    echo "STRIP=$strip" >> config.mak ||
2632
    echo "STRIP=echo ignoring strip" >> config.mak
2633

    
2634
echo "CPPFLAGS=$CPPFLAGS" >> config.mak
2635
echo "CFLAGS=$CFLAGS" >> config.mak
2636
echo "ASFLAGS=$ASFLAGS" >> config.mak
2637
echo "CC_O=$CC_O" >> config.mak
2638
echo "LDFLAGS=$LDFLAGS" >> config.mak
2639
echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2640
echo "SHFLAGS=$SHFLAGS" >> config.mak
2641
echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2642
echo "BUILDSUF=$build_suffix" >> config.mak
2643
echo "FULLNAME=$FULLNAME" >> config.mak
2644
echo "LIBPREF=$LIBPREF" >> config.mak
2645
echo "LIBSUF=$LIBSUF" >> config.mak
2646
echo "LIBNAME=$LIBNAME" >> config.mak
2647
echo "SLIBPREF=$SLIBPREF" >> config.mak
2648
echo "SLIBSUF=$SLIBSUF" >> config.mak
2649
echo "EXESUF=$EXESUF" >> config.mak
2650
echo "EXTRA_VERSION=$extra_version" >> config.mak
2651
echo "DEPFLAGS=$DEPFLAGS" >> config.mak
2652
echo "CCDEP=$CCDEP" >> config.mak
2653
echo "ASDEP=$ASDEP" >> config.mak
2654
echo "CC_DEPFLAGS=$CC_DEPFLAGS" >> config.mak
2655
echo "AS_DEPFLAGS=$AS_DEPFLAGS" >> config.mak
2656
echo "HOSTCC=$host_cc" >> config.mak
2657
echo "HOSTCFLAGS=$host_cflags" >> config.mak
2658
echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2659
echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2660
echo "HOSTLIBS=$host_libs" >> config.mak
2661
echo "TARGET_EXEC=$target_exec" >> config.mak
2662
echo "TARGET_PATH=$target_path" >> config.mak
2663

    
2664
if enabled sdl; then
2665
    echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2666
    echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
2667
fi
2668
if enabled texi2html; then
2669
    echo "BUILD_DOC=yes" >> config.mak
2670
fi
2671

    
2672
get_version(){
2673
    name=$1
2674
    file=$source_path/$2
2675
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2676
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2677
    lcname=$(tolower $name)
2678
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2679
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2680
}
2681

    
2682
get_version LIBSWSCALE  libswscale/swscale.h
2683
get_version LIBPOSTPROC libpostproc/postprocess.h
2684
get_version LIBAVCODEC  libavcodec/avcodec.h
2685
get_version LIBAVDEVICE libavdevice/avdevice.h
2686
get_version LIBAVFORMAT libavformat/avformat.h
2687
get_version LIBAVUTIL   libavutil/avutil.h
2688
get_version LIBAVFILTER libavfilter/avfilter.h
2689

    
2690
if enabled shared; then
2691
    echo "LIBTARGET=${LIBTARGET}" >> config.mak
2692
    echo "SLIBNAME=${SLIBNAME}" >> config.mak
2693
    echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2694
    echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2695
    echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2696
    echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2697
    echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2698
    echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2699
fi
2700
echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2701
echo "EXTRALIBS=$extralibs" >> config.mak
2702

    
2703
echo "ARCH=$arch" >> config.mak
2704

    
2705

    
2706
echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2707
echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2708
echo "#define FFMPEG_CONFIG_H" >> $TMPH
2709
echo "#define FFMPEG_CONFIGURATION \"$(c_escape $FFMPEG_CONFIGURATION)\"" >> $TMPH
2710
echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2711

    
2712
echo "#define CC_TYPE \"$cc_type\"" >> $TMPH
2713
echo "#define CC_VERSION $cc_version" >> $TMPH
2714
echo "#define restrict $_restrict" >> $TMPH
2715

    
2716
if enabled small || disabled optimizations; then
2717
    echo "#define av_always_inline"  >> $TMPH
2718
fi
2719

    
2720

    
2721
# Apparently it's not possible to portably echo a backslash.
2722
enabled asmalign_pot &&
2723
    printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2724
    printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2725

    
2726
echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2727

    
2728
print_config ARCH_   $TMPH config.mak $ARCH_LIST
2729
print_config HAVE_   $TMPH config.mak $HAVE_LIST
2730
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2731
                                      $CONFIG_EXTRA      \
2732
                                      $DECODER_LIST      \
2733
                                      $ENCODER_LIST      \
2734
                                      $HWACCEL_LIST      \
2735
                                      $PARSER_LIST       \
2736
                                      $BSF_LIST          \
2737
                                      $DEMUXER_LIST      \
2738
                                      $MUXER_LIST        \
2739
                                      $FILTER_LIST       \
2740
                                      $PROTOCOL_LIST     \
2741
                                      $INDEV_LIST        \
2742
                                      $OUTDEV_LIST       \
2743

    
2744
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2745
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
2746

    
2747
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2748
cmp -s $TMPH config.h &&
2749
    echo "config.h is unchanged" ||
2750
    mv -f $TMPH config.h
2751

    
2752
# build tree in object directory if source path is different from current one
2753
if enabled source_path_used; then
2754
    DIRS="
2755
        doc
2756
        libavcodec
2757
        libavcodec/$arch
2758
        libavdevice
2759
        libavfilter
2760
        libavformat
2761
        libavutil
2762
        libavutil/$arch
2763
        libpostproc
2764
        libswscale
2765
        libswscale/$arch
2766
        tests
2767
        tools
2768
    "
2769
    FILES="
2770
        Makefile
2771
        common.mak
2772
        subdir.mak
2773
        doc/texi2pod.pl
2774
        libavcodec/Makefile
2775
        libavdevice/Makefile
2776
        libavfilter/Makefile
2777
        libavformat/Makefile
2778
        libavutil/Makefile
2779
        libpostproc/Makefile
2780
        libswscale/Makefile
2781
    "
2782
    for dir in $DIRS ; do
2783
        mkdir -p $dir
2784
    done
2785
    for f in $FILES ; do
2786
        $ln_s "$source_path/$f" $f
2787
    done
2788
fi
2789

    
2790

    
2791
# build pkg-config files
2792

    
2793
pkgconfig_generate(){
2794
name=$1
2795
shortname=${name#lib}${build_suffix}
2796
comment=$2
2797
version=$3
2798
libs=$4
2799
requires=$5
2800
cat <<EOF > $name/$name.pc
2801
prefix=$prefix
2802
exec_prefix=\${prefix}
2803
libdir=$libdir
2804
includedir=$incdir
2805

    
2806
Name: $name
2807
Description: $comment
2808
Version: $version
2809
Requires: $(enabled shared || echo $requires)
2810
Requires.private: $(enabled shared && echo $requires)
2811
Conflicts:
2812
Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
2813
Libs.private: $(enabled shared && echo $libs)
2814
Cflags: -I\${includedir}
2815
EOF
2816
cat <<EOF > $name/$name-uninstalled.pc
2817
prefix=
2818
exec_prefix=
2819
libdir=\${pcfiledir}
2820
includedir=${source_path}
2821

    
2822
Name: $name
2823
Description: $comment
2824
Version: $version
2825
Requires: $requires
2826
Conflicts:
2827
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2828
Cflags: -I\${includedir}
2829
EOF
2830
}
2831

    
2832
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2833
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2834
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2835
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2836
enabled avfilter &&
2837
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2838
enabled postproc &&
2839
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2840
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"