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#!/bin/sh
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#
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# FFmpeg configure script
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#
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# Copyright (c) 2000-2002 Fabrice Bellard
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# Copyright (c) 2005-2008 Diego Biurrun
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# Copyright (c) 2005-2008 Mans Rullgard
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#
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# Prevent locale nonsense from breaking basic text processing.
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LC_ALL=C
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export LC_ALL
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# make sure we are running under a compatible shell
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# try to make this part work with most shells
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try_exec(){
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    echo "Trying shell $1"
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    type "$1" > /dev/null 2>&1 && exec "$@"
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}
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unset foo
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(: ${foo%%bar}) 2> /dev/null
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E1="$?"
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(: ${foo?}) 2> /dev/null
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E2="$?"
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if test "$E1" != 0 || test "$E2" = 0; then
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    echo "Broken shell detected.  Trying alternatives."
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    export FF_CONF_EXEC
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    if test "0$FF_CONF_EXEC" -lt 1; then
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        FF_CONF_EXEC=1
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        try_exec bash "$0" "$@"
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    fi
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    if test "0$FF_CONF_EXEC" -lt 2; then
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        FF_CONF_EXEC=2
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        try_exec ksh "$0" "$@"
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    fi
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    if test "0$FF_CONF_EXEC" -lt 3; then
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        FF_CONF_EXEC=3
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        try_exec /usr/xpg4/bin/sh "$0" "$@"
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    fi
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    echo "No compatible shell script interpreter found."
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    echo "This configure script requires a POSIX-compatible shell"
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    echo "such as bash or ksh."
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    echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
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    echo "Instead, install a working POSIX-compatible shell."
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    echo "Disabling this configure test will create a broken FFmpeg."
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    if test "$BASH_VERSION" = '2.04.0(1)-release'; then
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        echo "This bash version ($BASH_VERSION) is broken on your platform."
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        echo "Upgrade to a later version if available."
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    fi
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    exit 1
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fi
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show_help(){
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  echo "Usage: configure [options]"
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  echo "Options: [defaults in brackets after descriptions]"
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  echo
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  echo "Standard options:"
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  echo "  --help                   print this message"
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  echo "  --logfile=FILE           log tests and output to FILE [config.err]"
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  echo "  --disable-logging        do not log configure debug information"
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  echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
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  echo "  --bindir=DIR             install binaries in DIR [PREFIX/bin]"
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  echo "  --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]"
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  echo "  --libdir=DIR             install libs in DIR [PREFIX/lib]"
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  echo "  --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]"
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  echo "  --incdir=DIR             install includes in DIR [PREFIX/include]"
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  echo "  --mandir=DIR             install man page in DIR [PREFIX/share/man]"
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  echo
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  echo "Configuration options:"
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  echo "  --disable-static         do not build static libraries [no]"
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  echo "  --enable-shared          build shared libraries [no]"
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  echo "  --enable-gpl             allow use of GPL code, the resulting libs"
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  echo "                           and binaries will be under GPL [no]"
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  echo "  --enable-version3        upgrade (L)GPL to version 3 [no]"
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  echo "  --enable-nonfree         allow use of nonfree code, the resulting libs"
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  echo "                           and binaries will be unredistributable [no]"
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  echo "  --disable-ffmpeg         disable ffmpeg build"
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  echo "  --disable-ffplay         disable ffplay build"
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  echo "  --disable-ffserver       disable ffserver build"
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  echo "  --enable-postproc        enable GPLed postprocessing support [no]"
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  echo "  --enable-avfilter        video filter support [no]"
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  echo "  --enable-avfilter-lavf   video filters dependent on avformat [no]"
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  echo "  --enable-beosthreads     use BeOS threads [no]"
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  echo "  --enable-os2threads      use OS/2 threads [no]"
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  echo "  --enable-pthreads        use pthreads [no]"
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  echo "  --enable-w32threads      use Win32 threads [no]"
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  echo "  --enable-x11grab         enable X11 grabbing [no]"
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  echo "  --disable-network        disable network support [no]"
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  echo "  --disable-ipv6           disable IPv6 support [no]"
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  echo "  --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]"
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  echo "  --enable-gray            enable full grayscale support (slower color)"
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  echo "  --disable-swscale-alpha  disable alpha channel support in swscale"
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  echo "  --disable-fastdiv        disable table-based division"
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  echo "  --enable-small           optimize for size instead of speed"
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  echo "  --disable-aandct         disable AAN DCT code"
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  echo "  --disable-fft            disable FFT code"
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  echo "  --disable-golomb         disable Golomb code"
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  echo "  --disable-mdct           disable MDCT code"
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  echo "  --disable-rdft           disable RDFT code"
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  echo "  --disable-vaapi          disable VAAPI code"
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  echo "  --disable-vdpau          disable VDPAU code"
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  echo "  --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)"
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  echo "  --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
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  echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
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  echo "  --enable-beos-netserver  enable BeOS netserver"
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  echo "  --disable-encoder=NAME   disable encoder NAME"
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  echo "  --enable-encoder=NAME    enable encoder NAME"
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  echo "  --disable-encoders       disable all encoders"
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  echo "  --disable-decoder=NAME   disable decoder NAME"
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  echo "  --enable-decoder=NAME    enable decoder NAME"
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  echo "  --disable-decoders       disable all decoders"
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  echo "  --disable-hwaccel=NAME   disable hwaccel NAME"
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  echo "  --enable-hwaccel=NAME    enable hwaccel NAME"
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  echo "  --disable-hwaccels       disable all hwaccels"
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  echo "  --disable-muxer=NAME     disable muxer NAME"
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  echo "  --enable-muxer=NAME      enable muxer NAME"
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  echo "  --disable-muxers         disable all muxers"
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  echo "  --disable-demuxer=NAME   disable demuxer NAME"
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  echo "  --enable-demuxer=NAME    enable demuxer NAME"
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  echo "  --disable-demuxers       disable all demuxers"
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  echo "  --enable-parser=NAME     enable parser NAME"
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  echo "  --disable-parser=NAME    disable parser NAME"
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  echo "  --disable-parsers        disable all parsers"
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  echo "  --enable-bsf=NAME        enable bitstream filter NAME"
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  echo "  --disable-bsf=NAME       disable bitstream filter NAME"
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  echo "  --disable-bsfs           disable all bitstream filters"
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  echo "  --enable-protocol=NAME   enable protocol NAME"
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  echo "  --disable-protocol=NAME  disable protocol NAME"
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  echo "  --disable-protocols      disable all protocols"
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  echo "  --disable-indev=NAME     disable input device NAME"
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  echo "  --disable-outdev=NAME    disable output device NAME"
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  echo "  --disable-indevs         disable input devices"
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  echo "  --disable-outdevs        disable output devices"
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  echo "  --disable-devices        disable all devices"
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  echo "  --enable-filter=NAME     enable filter NAME"
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  echo "  --disable-filter=NAME    disable filter NAME"
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  echo "  --disable-filters        disable all filters"
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  echo "  --list-decoders          show all available decoders"
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  echo "  --list-encoders          show all available encoders"
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  echo "  --list-hwaccels          show all available hardware accelerators"
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  echo "  --list-muxers            show all available muxers"
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  echo "  --list-demuxers          show all available demuxers"
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  echo "  --list-parsers           show all available parsers"
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  echo "  --list-protocols         show all available protocols"
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  echo "  --list-bsfs              show all available bitstream filters"
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  echo "  --list-indevs            show all available input devices"
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  echo "  --list-outdevs           show all available output devices"
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  echo "  --list-filters           show all available filters"
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  echo
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  echo "External library support:"
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  echo "  --enable-avisynth        enable reading of AVISynth script files [no]"
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  echo "  --enable-bzlib           enable bzlib [autodetect]"
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  echo "  --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]"
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  echo "  --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]"
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  echo "  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394"
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  echo "                           and libraw1394 [no]"
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  echo "  --enable-libdirac        enable Dirac support via libdirac [no]"
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  echo "  --enable-libfaac         enable FAAC support via libfaac [no]"
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  echo "  --enable-libfaad         enable FAAD support via libfaad [no]"
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  echo "  --enable-libfaadbin      open libfaad.so.0 at runtime [no]"
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  echo "  --enable-libgsm          enable GSM support via libgsm [no]"
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  echo "  --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]"
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  echo "  --enable-libnut          enable NUT (de)muxing via libnut,"
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  echo "                           native (de)muxer exists [no]"
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  echo "  --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]"
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  echo "  --enable-libschroedinger enable Dirac support via libschroedinger [no]"
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  echo "  --enable-libspeex        enable Speex decoding via libspeex [no]"
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  echo "  --enable-libtheora       enable Theora encoding via libtheora [no]"
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  echo "  --enable-libvorbis       enable Vorbis encoding via libvorbis,"
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  echo "                           native implementation exists [no]"
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  echo "  --enable-libx264         enable H.264 encoding via x264 [no]"
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  echo "  --enable-libxvid         enable Xvid encoding via xvidcore,"
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  echo "                           native MPEG-4/Xvid encoder exists [no]"
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  echo "  --enable-mlib            enable Sun medialib [no]"
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  echo "  --enable-zlib            enable zlib [autodetect]"
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  echo ""
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  echo "Advanced options (experts only):"
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  echo "  --source-path=PATH       path to source code [$source_path]"
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  echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
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  echo "  --enable-cross-compile   assume a cross-compiler is used"
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  echo "  --sysroot=PATH           root of cross-build tree"
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  echo "  --sysinclude=PATH        location of cross-build system headers"
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  echo "  --target-os=OS           compiler targets OS [$target_os]"
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  echo "  --target-exec=CMD        command to run executables on target"
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  echo "  --target-path=DIR        path to view of build directory on target"
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  echo "  --nm=NM                  use nm tool"
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  echo "  --as=AS                  use assembler AS [$as_default]"
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  echo "  --cc=CC                  use C compiler CC [$cc_default]"
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  echo "  --ld=LD                  use linker LD"
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  echo "  --host-cc=HOSTCC         use host C compiler HOSTCC"
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  echo "  --host-cflags=HCFLAGS    use HCFLAGS when compiling for host"
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  echo "  --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host"
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  echo "  --host-libs=HLIBS        use libs HLIBS when linking for host"
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  echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
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  echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
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  echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
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  echo "  --extra-version=STRING   version string suffix []"
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  echo "  --build-suffix=SUFFIX    library name suffix []"
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  echo "  --arch=ARCH              select architecture [$arch]"
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  echo "  --cpu=CPU                select the minimum required CPU (affects"
205
  echo "                           instruction selection, may crash on older CPUs)"
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  echo "  --enable-powerpc-perf    enable performance report on PPC"
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  echo "                           (requires enabling PMC)"
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  echo "  --disable-altivec        disable AltiVec optimizations"
209
  echo "  --disable-amd3dnow       disable 3DNow! optimizations"
210
  echo "  --disable-amd3dnowext    disable 3DNow! extended optimizations"
211
  echo "  --disable-mmx            disable MMX optimizations"
212
  echo "  --disable-mmx2           disable MMX2 optimizations"
213
  echo "  --disable-sse            disable SSE optimizations"
214
  echo "  --disable-ssse3          disable SSSE3 optimizations"
215
  echo "  --disable-armv5te        disable armv5te optimizations"
216
  echo "  --disable-armv6          disable armv6 optimizations"
217
  echo "  --disable-armv6t2        disable armv6t2 optimizations"
218
  echo "  --disable-armvfp         disable ARM VFP optimizations"
219
  echo "  --disable-iwmmxt         disable iwmmxt optimizations"
220
  echo "  --disable-mmi            disable MMI optimizations"
221
  echo "  --disable-neon           disable neon optimizations"
222
  echo "  --disable-vis            disable VIS optimizations"
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  echo "  --disable-yasm           disable use of yasm assembler"
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  echo "  --enable-pic             build position-independent code"
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  echo
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  echo "Developer options (useful when working on FFmpeg itself):"
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  echo "  --disable-debug          disable debugging symbols"
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  echo "  --enable-debug=LEVEL     set the debug level [$debuglevel]"
229
  echo "  --enable-gprof           enable profiling with gprof [$gprof]"
230
  echo "  --disable-optimizations  disable compiler optimizations"
231
  echo "  --enable-extra-warnings  enable more compiler warnings"
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  echo "  --disable-stripping      disable stripping of executables and shared libraries"
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  echo ""
234
  echo "NOTE: Object files are built at the place where configure is launched."
235
  exit 0
236
}
237

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
1037
CMDLINE_APPEND="
1038
    extra_cflags
1039
"
1040

    
1041
# code dependency declarations
1042

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

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

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

    
1158
# parsers
1159
h264_parser_select="golomb"
1160

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

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

    
1207
# indevs / outdevs
1208
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1209
alsa_indev_extralibs="-lasound"
1210
alsa_outdev_deps="alsa_asoundlib_h"
1211
alsa_outdev_extralibs="-lasound"
1212
audio_beos_indev_deps="audio_beos"
1213
audio_beos_indev_extralibs="-lmedia -lbe"
1214
audio_beos_outdev_deps="audio_beos"
1215
audio_beos_outdev_extralibs="-lmedia -lbe"
1216
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1217
dv1394_indev_deps="dv1394 dv_demuxer"
1218
jack_indev_deps="jack_jack_h"
1219
jack_indev_extralibs="-ljack"
1220
libdc1394_indev_deps="libdc1394"
1221
oss_indev_deps_any="soundcard_h sys_soundcard_h"
1222
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1223
v4l_indev_deps="linux_videodev_h"
1224
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1225
vfwcap_indev_deps="capCreateCaptureWindow"
1226
vfwcap_indev_extralibs="-lvfw32"
1227
x11_grab_device_indev_deps="x11grab XShmCreateImage"
1228
x11_grab_device_indev_extralibs="-lX11 -lXext"
1229

    
1230
# protocols
1231
gopher_protocol_deps="network"
1232
http_protocol_deps="network"
1233
rtmp_protocol_deps="tcp_protocol"
1234
rtp_protocol_deps="udp_protocol"
1235
tcp_protocol_deps="network"
1236
udp_protocol_deps="network"
1237

    
1238
# filters
1239
movie_filter_deps="avfilter_lavf"
1240

    
1241
# programs
1242
ffplay_deps="sdl"
1243
ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1244
ffserver_extralibs='$ldl'
1245

    
1246

    
1247
# default parameters
1248

    
1249
logfile="config.err"
1250

    
1251
# installation paths
1252
prefix_default="/usr/local"
1253
bindir_default='${prefix}/bin'
1254
datadir_default='${prefix}/share/ffmpeg'
1255
incdir_default='${prefix}/include'
1256
libdir_default='${prefix}/lib'
1257
mandir_default='${prefix}/share/man'
1258
shlibdir_default="$libdir_default"
1259

    
1260
# toolchain
1261
ar="ar"
1262
cc_default="gcc"
1263
host_cc_default="gcc"
1264
ln_s="ln -sf"
1265
nm_default="nm"
1266
objformat="elf"
1267
ranlib="ranlib"
1268
strip="strip"
1269
yasmexe="yasm"
1270

    
1271
# machine
1272
arch=$(uname -m)
1273
cpu="generic"
1274

    
1275
# OS
1276
target_os=$(tolower $(uname -s))
1277
host_os=$target_os
1278

    
1279
# configurable options
1280
enable debug
1281
enable fastdiv
1282
enable ffmpeg
1283
enable ffplay
1284
enable ffserver
1285
enable ipv6
1286
enable mpegaudio_hp
1287
enable network
1288
enable optimizations
1289
enable protocols
1290
enable static
1291
enable stripping
1292
enable swscale_alpha
1293

    
1294
# build settings
1295
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1296
FFSERVERLDFLAGS=-Wl,-E
1297
LIBPREF="lib"
1298
LIBSUF=".a"
1299
FULLNAME='$(NAME)$(BUILDSUF)'
1300
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1301
SLIBPREF="lib"
1302
SLIBSUF=".so"
1303
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1304
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1305
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1306
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1307

    
1308
CC_O='-o $@'
1309

    
1310
host_cflags='-O3 -g -Wall'
1311
host_libs='-lm'
1312

    
1313
target_path='.'
1314

    
1315
# gcc stupidly only outputs the basename of targets with -MM, but we need the
1316
# full relative path for objects in subdirectories for non-recursive Make.
1317
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1318
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1319

    
1320
# find source path
1321
source_path="$(dirname "$0")"
1322
enable source_path_used
1323
if test -f configure; then
1324
    source_path="$(pwd)"
1325
    disable source_path_used
1326
else
1327
    source_path="$(cd "$source_path"; pwd)"
1328
    echo "$source_path" | grep -q '[[:blank:]]' &&
1329
        die "Out of tree builds are impossible with whitespace in source path."
1330
    test -e "$source_path/config.h" &&
1331
        die "Out of tree builds are impossible with config.h in source dir."
1332
fi
1333

    
1334
for v in "$@"; do
1335
    r=${v#*=}
1336
    l=${v%"$r"}
1337
    r=$(sh_quote "$r")
1338
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1339
done
1340

    
1341
find_things(){
1342
    thing=$1
1343
    pattern=$2
1344
    file=$source_path/$3
1345
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1346
}
1347

    
1348
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1349
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1350
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1351
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1352
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1353
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1354
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1355
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1356
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1357
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1358
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1359

    
1360
enable $ARCH_EXT_LIST \
1361
       $DECODER_LIST \
1362
       $ENCODER_LIST \
1363
       $HWACCEL_LIST \
1364
       $PARSER_LIST \
1365
       $BSF_LIST \
1366
       $DEMUXER_LIST \
1367
       $MUXER_LIST \
1368
       $FILTER_LIST \
1369
       $PROTOCOL_LIST \
1370
       $INDEV_LIST \
1371
       $OUTDEV_LIST \
1372

    
1373
die_unknown(){
1374
    echo "Unknown option \"$1\"."
1375
    echo "See $0 --help for available options."
1376
    exit 1
1377
}
1378

    
1379
show_list() {
1380
    suffix=_$1
1381
    shift
1382
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1383
    exit 0
1384
}
1385

    
1386
for opt do
1387
    optval="${opt#*=}"
1388
    case "$opt" in
1389
    --extra-ldflags=*) add_ldflags $optval
1390
    ;;
1391
    --extra-libs=*) add_extralibs $optval
1392
    ;;
1393
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1394
    ;;
1395
    --enable-debug=*) debuglevel="$optval"
1396
    ;;
1397
    --enable-*=*|--disable-*=*)
1398
    eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1399
    is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1400
    eval list=\$$(toupper $thing)_LIST
1401
    name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1402
    $action $(filter "$name" $list)
1403
    ;;
1404
    --enable-?*|--disable-?*)
1405
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1406
    if is_in $option $COMPONENT_LIST; then
1407
        test $action = disable && action=unset
1408
        eval $action \$$(toupper ${option%s})_LIST
1409
    elif is_in $option $CMDLINE_SELECT; then
1410
        $action $option
1411
    else
1412
        die_unknown $opt
1413
    fi
1414
    ;;
1415
    --list-*)
1416
        NAME="${opt#--list-}"
1417
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1418
        NAME=${NAME%s}
1419
        eval show_list $NAME \$$(toupper $NAME)_LIST
1420
    ;;
1421
    --help|-h) show_help
1422
    ;;
1423
    *)
1424
    optname="${opt%%=*}"
1425
    optname="${optname#--}"
1426
    optname=$(echo "$optname" | sed 's/-/_/g')
1427
    if is_in $optname $CMDLINE_SET; then
1428
        eval $optname='$optval'
1429
    elif is_in $optname $CMDLINE_APPEND; then
1430
        append $optname "$optval"
1431
    else
1432
         die_unknown $opt
1433
    fi
1434
    ;;
1435
    esac
1436
done
1437

    
1438
disabled logging && logfile=/dev/null
1439

    
1440
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1441
set >> $logfile
1442

    
1443
test -n "$cross_prefix" && enable cross_compile
1444

    
1445
ar="${cross_prefix}${ar}"
1446
cc_default="${cross_prefix}${cc_default}"
1447
nm_default="${cross_prefix}${nm_default}"
1448
ranlib="${cross_prefix}${ranlib}"
1449
strip="${cross_prefix}${strip}"
1450

    
1451
sysinclude_default="${sysroot}/usr/include"
1452

    
1453
set_default cc nm sysinclude
1454
enabled cross_compile || host_cc_default=$cc
1455
set_default host_cc
1456

    
1457
exesuf() {
1458
    case $1 in
1459
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1460
    esac
1461
}
1462

    
1463
EXESUF=$(exesuf $target_os)
1464
HOSTEXESUF=$(exesuf $host_os)
1465

    
1466
# set temporary file name
1467
: ${TMPDIR:=$TEMPDIR}
1468
: ${TMPDIR:=$TMP}
1469
: ${TMPDIR:=/tmp}
1470

    
1471
if ! check_cmd type mktemp; then
1472
    # simple replacement for missing mktemp
1473
    # NOT SAFE FOR GENERAL USE
1474
    mktemp(){
1475
        echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1476
    }
1477
fi
1478

    
1479
tmpfile(){
1480
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1481
        (set -C; exec > $tmp) 2>/dev/null ||
1482
        die "Unable to create temoporary file in $TMPDIR."
1483
    append TMPFILES $tmp
1484
    eval $1=$tmp
1485
}
1486

    
1487
trap 'rm -f -- $TMPFILES' EXIT
1488
trap exit HUP INT TERM
1489

    
1490
tmpfile TMPC  .c
1491
tmpfile TMPE  $EXESUF
1492
tmpfile TMPH  .h
1493
tmpfile TMPO  .o
1494
tmpfile TMPS  .S
1495
tmpfile TMPSH .sh
1496

    
1497
unset -f mktemp
1498

    
1499
# make sure we can execute files in $TMPDIR
1500
cat > $TMPSH 2>> $logfile <<EOF
1501
#! /bin/sh
1502
EOF
1503
chmod +x $TMPSH >> $logfile 2>&1
1504
if ! $TMPSH >> $logfile 2>&1; then
1505
    cat <<EOF
1506
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1507
variable to another directory and make sure that it is not mounted noexec.
1508
EOF
1509
    die "Sanity test failed."
1510
fi
1511

    
1512
filter_cflags=echo
1513
filter_cppflags=echo
1514
filter_asflags=echo
1515

    
1516
if   $cc -v 2>&1 | grep -qi ^gcc; then
1517
    cc_type=gcc
1518
    if ! $cc -dumpversion | grep -q '^2\.'; then
1519
        CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1520
        AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1521
    fi
1522
elif $cc --version 2>/dev/null | grep -q Intel; then
1523
    cc_type=icc
1524
    CC_DEPFLAGS='-MMD'
1525
    AS_DEPFLAGS='-MMD'
1526
elif $cc -v 2>&1 | grep -q xlc; then
1527
    cc_type=xlc
1528
elif $cc -V 2>/dev/null | grep -q Compaq; then
1529
    cc_type=ccc
1530
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1531
    debuglevel=3
1532
    add_ldflags -Wl,-z,now # calls to libots crash without this
1533
elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1534
    test -d "$sysroot" || die "No valid sysroot specified."
1535
    cc_type=armcc
1536
    armcc_conf="$PWD/armcc.conf"
1537
    $cc --arm_linux_configure                 \
1538
        --arm_linux_config_file="$armcc_conf" \
1539
        --configure_sysroot="$sysroot"        \
1540
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1541
        die "Error creating armcc configuration file."
1542
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1543
    as_default="${cross_prefix}gcc"
1544
    CC_DEPFLAGS='-MMD'
1545
    AS_DEPFLAGS='-MMD'
1546
elif $cc -version 2>/dev/null | grep -q TMS470; then
1547
    cc_type=tms470
1548
    cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1549
    CC_O='-fr=$(@D)'
1550
    as_default="${cross_prefix}gcc"
1551
    ld_default="${cross_prefix}gcc"
1552
    TMPO=$(basename $TMPC .c).o
1553
    append TMPFILES $TMPO
1554
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1555
    CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1556
    AS_DEPFLAGS='-MMD'
1557
    filter_cflags=tms470_flags
1558
    tms470_flags(){
1559
        for flag; do
1560
            case $flag in
1561
                -march=*|-mcpu=*)
1562
                    case "${flag#*=}" in
1563
                        armv7-a|cortex-a*)      echo -mv=7a8 ;;
1564
                        armv7-r|cortex-r*)      echo -mv=7r4 ;;
1565
                        armv7-m|cortex-m*)      echo -mv=7m3 ;;
1566
                        armv6*|arm11*)          echo -mv=6   ;;
1567
                        armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1568
                                                echo -mv=5e  ;;
1569
                        armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1570
                    esac
1571
                    ;;
1572
                -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1573
                -mfpu=vfp)      echo --float_support=vfpv2        ;;
1574
                -mfpu=softvfp)  echo --float_support=vfplib       ;;
1575
                -Os)            echo -O3 -mf=2                    ;;
1576
                -O[0-3])        echo $flag -mf=5                  ;;
1577
                -g)             echo -g -mn                       ;;
1578
            esac
1579
        done
1580
    }
1581
fi
1582

    
1583
test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1584

    
1585
: ${as_default:=$cc}
1586
: ${dep_cc_default:=$cc}
1587
: ${ld_default:=$cc}
1588
set_default as dep_cc ld
1589

    
1590
test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1591
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1592

    
1593
add_cflags $extra_cflags
1594
add_asflags $extra_cflags
1595

    
1596
if test -n "$sysroot"; then
1597
    case "$cc_type" in
1598
        gcc)
1599
            add_cppflags --sysroot="$sysroot"
1600
            add_ldflags --sysroot="$sysroot"
1601
        ;;
1602
        tms470)
1603
            add_cppflags -I"$sysinclude"
1604
            add_ldflags  --sysroot="$sysroot"
1605
        ;;
1606
    esac
1607
fi
1608

    
1609
if test "$cpu" = host; then
1610
    enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1611

    
1612
    case "$cc_type" in
1613
        gcc)
1614
            check_native(){
1615
                $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1616
                awk "/$1=/{ match(\$0, /$1=(\\w+)/, a);print a[1];exit }" $TMPE
1617
            }
1618
            cpu=$(check_native -march || check_native -mcpu)
1619
        ;;
1620
    esac
1621

    
1622
    test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1623
fi
1624

    
1625
# Add processor-specific flags
1626
case $cpu in
1627
    601|ppc601|PowerPC601)
1628
        cpuflags="-mcpu=601"
1629
    ;;
1630
    603*|ppc603*|PowerPC603*)
1631
        cpuflags="-mcpu=603"
1632
    ;;
1633
    604*|ppc604*|PowerPC604*)
1634
        cpuflags="-mcpu=604"
1635
    ;;
1636
    G3|g3|75*|ppc75*|PowerPC75*)
1637
        cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1638
    ;;
1639
    G4|g4|745*|ppc745*|PowerPC745*)
1640
        cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1641
    ;;
1642
    74*|ppc74*|PowerPC74*)
1643
        cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1644
    ;;
1645
    G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1646
        cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1647
    ;;
1648
    Cell|CELL|cell)
1649
        cpuflags="-mcpu=cell"
1650
        enable ldbrx
1651
    ;;
1652
    # targets that do NOT support conditional mov (cmov)
1653
    i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1654
        cpuflags="-march=$cpu"
1655
        disable cmov
1656
    ;;
1657
    # targets that do support conditional mov (cmov)
1658
    i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1659
        cpuflags="-march=$cpu"
1660
        enable cmov
1661
        enable fast_cmov
1662
    ;;
1663
    # targets that do support conditional mov but on which it's slow
1664
    pentium4|pentium4m|prescott|nocona)
1665
        cpuflags="-march=$cpu"
1666
        enable cmov
1667
        disable fast_cmov
1668
    ;;
1669
    sparc64)
1670
        cpuflags="-mcpu=v9"
1671
    ;;
1672
    arm11*|cortex*)
1673
        cpuflags="-mcpu=$cpu"
1674
        enable fast_unaligned
1675
    ;;
1676
    armv[67]*)
1677
        cpuflags="-march=$cpu"
1678
        enable fast_unaligned
1679
    ;;
1680
    armv*)
1681
        cpuflags="-march=$cpu"
1682
    ;;
1683
    arm*)
1684
        cpuflags="-mcpu=$cpu"
1685
    ;;
1686
    ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1687
        enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1688
    ;;
1689
    bf*)
1690
        cpuflags="-mcpu=$cpu"
1691
    ;;
1692
    mips*|[45]k*|[237]4k*|m4k|r*000|loongson2[ef])
1693
        cpuflags="-march=$cpu"
1694
    ;;
1695
    ap7[02]0[0-2])
1696
        subarch="avr32_ap"
1697
        cpuflags="-mpart=$cpu"
1698
    ;;
1699
    ap)
1700
        subarch="avr32_ap"
1701
        cpuflags="-march=$cpu"
1702
    ;;
1703
    uc3[ab]*)
1704
        subarch="avr32_uc"
1705
        cpuflags="-mcpu=$cpu"
1706
    ;;
1707
    uc)
1708
        subarch="avr32_uc"
1709
        cpuflags="-march=$cpu"
1710
    ;;
1711
    generic)
1712
    ;;
1713
    *)
1714
        echo "WARNING: Unknown CPU \"$cpu\", ignored."
1715
    ;;
1716
esac
1717

    
1718
add_cflags $cpuflags
1719
add_asflags $cpuflags
1720

    
1721
# compiler sanity check
1722
check_exec <<EOF
1723
int main(void){ return 0; }
1724
EOF
1725
if test "$?" != 0; then
1726
    echo "$cc is unable to create an executable file."
1727
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
1728
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1729
        echo "Only do this if you know what cross compiling means."
1730
    fi
1731
    die "C compiler test failed."
1732
fi
1733

    
1734
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1735
check_cflags -std=c99
1736
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1737
#include <stdlib.h>
1738
EOF
1739
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
1740
#include <stdlib.h>
1741
EOF
1742

    
1743
case "$arch" in
1744
    alpha)
1745
        arch="alpha"
1746
        enable fast_64bit
1747
        check_cflags -mieee
1748
        spic=$shared
1749
    ;;
1750
    arm|armv[4567]*l)
1751
        arch="arm"
1752
    ;;
1753
    avr32)
1754
    ;;
1755
    bfin)
1756
        arch="bfin"
1757
    ;;
1758
    ia64)
1759
        arch="ia64"
1760
        enable fast_64bit
1761
        spic=$shared
1762
    ;;
1763
    m68k)
1764
        arch="m68k"
1765
    ;;
1766
    mips|mipsel|IP*)
1767
        arch="mips"
1768
        spic=$shared
1769
    ;;
1770
    mips64)
1771
        arch="mips"
1772
        subarch="mips64"
1773
        enable fast_64bit
1774
        spic=$shared
1775
    ;;
1776
    parisc|hppa)
1777
        arch="parisc"
1778
        spic=$shared
1779
    ;;
1780
    parisc64|hppa64)
1781
        arch="parisc"
1782
        enable fast_64bit
1783
        spic=$shared
1784
    ;;
1785
    "Power Macintosh"|ppc|powerpc)
1786
        arch="ppc"
1787
        enable fast_unaligned
1788
    ;;
1789
    ppc64)
1790
        arch="ppc"
1791
        subarch="ppc64"
1792
        enable fast_64bit
1793
        enable fast_unaligned
1794
    ;;
1795
    s390|s390x)
1796
        arch="s390"
1797
    ;;
1798
    sh4|sh)
1799
        arch="sh4"
1800
    ;;
1801
    sparc)
1802
        arch="sparc"
1803
        spic=$shared
1804
    ;;
1805
    sun4u|sparc64)
1806
        arch="sparc"
1807
        subarch="sparc64"
1808
        enable fast_64bit
1809
        spic=$shared
1810
    ;;
1811
    i386|i486|i586|i686|i86pc|BePC)
1812
        arch="x86"
1813
        subarch="x86_32"
1814
        enable fast_unaligned
1815
    ;;
1816
    x86_64|amd64)
1817
        arch="x86"
1818
        subarch="x86_32"
1819
        enable cmov
1820
        enable fast_cmov
1821
        enable fast_unaligned
1822
        check_cc <<EOF && enable fast_64bit && subarch="x86_64" && spic=$shared
1823
        int test[sizeof(char*) - 7];
1824
EOF
1825
    ;;
1826
    *)
1827
        arch="unknown"
1828
    ;;
1829
esac
1830

    
1831
enable $arch $subarch
1832
enabled spic && enable pic
1833

    
1834
# OS specific
1835
case $target_os in
1836
    beos|haiku|zeta)
1837
        prefix_default="$HOME/config"
1838
        # helps building libavcodec
1839
        add_cppflags -DPIC
1840
        add_cflags -fomit-frame-pointer
1841
        # 3 gcc releases known for BeOS, each with ugly bugs
1842
        gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1843
        case "$gcc_version" in
1844
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1845
            disable mmx
1846
            ;;
1847
          *20010315*) echo "BeBits gcc"
1848
            add_cflags -fno-expensive-optimizations
1849
            ;;
1850
        esac
1851
        SHFLAGS=-nostart
1852
        # enable BeOS things
1853
        enable audio_beos
1854
        # no need for libm, but the inet stuff
1855
        # Check for BONE
1856
        # XXX: actually should check for NOT net_server
1857
        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1858
            network_extralibs="-lbind -lsocket"
1859
        else
1860
            enable beos_netserver
1861
            network_extralibs="-lnet"
1862
        fi ;;
1863
    sunos)
1864
        FFSERVERLDFLAGS=""
1865
        SHFLAGS='-shared -Wl,-h,$$(@F)'
1866
        network_extralibs="-lsocket -lnsl"
1867
        add_cppflags -D__EXTENSIONS__
1868
        ;;
1869
    netbsd)
1870
        oss_indev_extralibs="-lossaudio"
1871
        oss_outdev_extralibs="-lossaudio"
1872
        ;;
1873
    openbsd)
1874
        enable malloc_aligned
1875
        enable pic
1876
        SHFLAGS='-shared'
1877
        oss_indev_extralibs="-lossaudio"
1878
        oss_outdev_extralibs="-lossaudio"
1879
        ;;
1880
    freebsd|dragonfly)
1881
        enable malloc_aligned
1882
        ;;
1883
    bsd/os)
1884
        osextralibs="-lpoll -lgnugetopt"
1885
        strip="strip -d"
1886
        ;;
1887
    darwin)
1888
        enable malloc_aligned
1889
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1890
        strip="strip -x"
1891
        FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1892
        SLIBSUF=".dylib"
1893
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1894
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1895
        FFSERVERLDFLAGS=-Wl,-bind_at_load
1896
        objformat="macho"
1897
        enabled x86_64 && objformat="macho64"
1898
        enabled shared ||
1899
            { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
1900
        ;;
1901
    mingw32*)
1902
        if test $target_os = "mingw32ce"; then
1903
            disable network
1904
        else
1905
            target_os=mingw32
1906
        fi
1907
        LIBTARGET=i386
1908
        if enabled x86_64; then
1909
            enable malloc_aligned
1910
            LIBTARGET=x64
1911
        elif enabled arm; then
1912
            LIBTARGET=arm
1913
        fi
1914
        shlibdir_default="$bindir_default"
1915
        disable ffserver
1916
        SLIBPREF=""
1917
        SLIBSUF=".dll"
1918
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1919
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1920
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1921
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1922
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
1923
            install -d "$(LIBDIR)"; \
1924
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
1925
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1926
        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'
1927
        objformat="win32"
1928
        enable dos_paths
1929
        check_cflags -fno-common
1930
        if ! enabled x86_64; then
1931
            check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1932
                die "ERROR: MinGW runtime version must be >= 3.15."
1933
            enabled_any avisynth vfwcap_indev &&
1934
                { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1935
                  die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
1936
            fi
1937
        ;;
1938
    cygwin*)
1939
        target_os=cygwin
1940
        shlibdir_default="$bindir_default"
1941
        SLIBPREF="cyg"
1942
        SLIBSUF=".dll"
1943
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1944
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1945
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
1946
        objformat="win32"
1947
        enable dos_paths
1948
        check_cflags -fno-common
1949
        ;;
1950
    *-dos|freedos|opendos)
1951
        disable ffplay ffserver
1952
        disable $INDEV_LIST $OUTDEV_LIST
1953
        network_extralibs="-lsocket"
1954
        objformat="coff"
1955
        enable dos_paths
1956
        ;;
1957
    linux)
1958
        enable dv1394
1959
        ;;
1960
    irix*)
1961
        target_os=irix
1962
        ranlib="echo ignoring ranlib"
1963
        ;;
1964
    os/2*)
1965
        strip="lxlite"
1966
        ln_s="cp -f"
1967
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1968
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1969
        FFSERVERLDFLAGS=""
1970
        LIBSUF="_s.a"
1971
        SLIBPREF=""
1972
        SLIBSUF=".dll"
1973
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1974
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1975
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1976
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1977
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1978
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1979
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1980
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1981
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1982
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1983
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1984
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1985
        enable dos_paths
1986
        ;;
1987
    gnu/kfreebsd)
1988
        ;;
1989
    gnu)
1990
        ;;
1991

    
1992
    *)
1993
        die "Unknown OS '$target_os'."
1994
        ;;
1995
esac
1996

    
1997
set_default $PATHS_LIST
1998

    
1999
add_extralibs $osextralibs
2000

    
2001
# Combine FFLDFLAGS and the LDFLAGS environment variable.
2002
LDFLAGS="$FFLDFLAGS $LDFLAGS"
2003

    
2004
# we need to build at least one lib type
2005
if ! enabled_any static shared; then
2006
    cat <<EOF
2007
At least one library type must be built.
2008
Specify --enable-static to build the static libraries or --enable-shared to
2009
build the shared libraries as well. To only build the shared libraries specify
2010
--disable-static in addition to --enable-shared.
2011
EOF
2012
    exit 1;
2013
fi
2014

    
2015
disabled static && LIBNAME=""
2016

    
2017
if enabled_any libfaad libfaadbin ; then
2018
    if check_header faad.h; then
2019
        check_cc <<EOF
2020
#include <faad.h>
2021
#ifndef FAAD2_VERSION
2022
ok faad1
2023
#endif
2024
int main(void) { return 0; }
2025
EOF
2026
        test $? = 0 && enable libfaad2
2027
    else
2028
        die "FAAD test failed."
2029
    fi
2030
fi
2031

    
2032

    
2033
die_license_disabled() {
2034
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2035
}
2036

    
2037
die_license_disabled gpl libfaad2
2038
die_license_disabled gpl libx264
2039
die_license_disabled gpl libxvid
2040
die_license_disabled gpl postproc
2041
die_license_disabled gpl x11grab
2042

    
2043
die_license_disabled nonfree libfaac
2044

    
2045
die_license_disabled version3 libopencore_amrnb
2046
die_license_disabled version3 libopencore_amrwb
2047

    
2048
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2049

    
2050
check_deps $ARCH_EXT_LIST
2051

    
2052
disabled optimizations || check_cflags -fomit-frame-pointer
2053

    
2054
if enabled pic; then
2055
    add_cppflags -DPIC
2056
    add_cflags   -fPIC
2057
    add_asflags  -fPIC
2058
fi
2059

    
2060
check_cc <<EOF || die "Symbol mangling check failed."
2061
int ff_extern;
2062
EOF
2063
sym=$($nm -P -g $TMPO | grep ff_extern)
2064
extern_prefix=${sym%%ff_extern*}
2065

    
2066
check_cc <<EOF && enable inline_asm
2067
void foo(void) { __asm__ volatile ("" ::); }
2068
EOF
2069

    
2070
_restrict=
2071
for restrict_keyword in restrict __restrict__ __restrict; do
2072
    check_cc <<EOF && _restrict=$restrict_keyword && break
2073
void foo(char * $restrict_keyword p);
2074
EOF
2075
done
2076

    
2077
check_cc <<EOF && enable attribute_packed
2078
struct { int x; } __attribute__((packed)) x;
2079
EOF
2080

    
2081
check_cc <<EOF || die "endian test failed"
2082
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2083
EOF
2084
od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2085

    
2086
if enabled arm; then
2087

    
2088
    check_ld <<EOF && enable vfp_args
2089
__asm__ (".eabi_attribute 28, 1");
2090
int main(void) { return 0; }
2091
EOF
2092

    
2093
    # We have to check if pld is a nop and disable it.
2094
    check_asm pld '"pld [r0]"'
2095

    
2096
    enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2097
    enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2098
    enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2099
    enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2100
    enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2101
    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2102

    
2103
elif enabled mips; then
2104

    
2105
    check_asm loongson '"dmult.g $1, $2, $3"'
2106
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2107

    
2108
elif enabled ppc; then
2109

    
2110
    check_asm dcbzl     '"dcbzl 0, 1"'
2111
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2112
    check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
2113

    
2114
    # AltiVec flags: The FSF version of GCC differs from the Apple version
2115
    if enabled altivec; then
2116
        check_cflags -maltivec -mabi=altivec &&
2117
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2118
        check_cflags -faltivec
2119

    
2120
        # check if our compiler supports Motorola AltiVec C API
2121
        check_cc <<EOF || disable altivec
2122
$inc_altivec_h
2123
int main(void) {
2124
    vector signed int v1, v2, v3;
2125
    v1 = vec_add(v2,v3);
2126
    return 0;
2127
}
2128
EOF
2129

    
2130
        # check if our compiler supports braces for vector declarations
2131
        check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2132
$inc_altivec_h
2133
int main (void) { (vector int) {1}; return 0; }
2134
EOF
2135
    fi
2136

    
2137
elif enabled sparc; then
2138

    
2139
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2140
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2141

    
2142
elif enabled x86; then
2143

    
2144
    # check whether EBP is available on x86
2145
    # As 'i' is stored on the stack, this program will crash
2146
    # if the base pointer is used to access it because the
2147
    # base pointer is cleared in the inline assembly code.
2148
    check_exec_crash <<EOF && enable ebp_available
2149
    volatile int i=0;
2150
    __asm__ volatile (
2151
        "xorl %%ebp, %%ebp"
2152
    ::: "%ebp");
2153
    return i;
2154
EOF
2155

    
2156
    # check wether EBX is available on x86
2157
    check_asm ebx_available '"":::"%ebx"'
2158

    
2159
    # check whether more than 10 operands are supported
2160
    check_cc <<EOF && enable ten_operands
2161
int main(void) {
2162
    int x=0;
2163
    __asm__ volatile(
2164
        ""
2165
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2166
    );
2167
    return 0;
2168
}
2169
EOF
2170

    
2171
    # check whether binutils is new enough to compile SSSE3/MMX2
2172
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2173
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2174

    
2175
    check_asm bswap '"bswap %%eax" ::: "%eax"'
2176

    
2177
    YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2178
    enabled     x86_64        && append YASMFLAGS "-m amd64"
2179
    enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
2180
    case "$objformat" in
2181
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2182
        macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
2183
        *)                    append YASMFLAGS "-DPREFIX"  ;;
2184
    esac
2185
    disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2186

    
2187
fi
2188

    
2189
if check_func dlopen; then
2190
    ldl=
2191
elif check_func dlopen -ldl; then
2192
    ldl=-ldl
2193
fi
2194

    
2195
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2196
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2197

    
2198
check_func  fork
2199
check_func  gethrtime
2200
check_func  getrusage
2201
check_func  inet_aton $network_extralibs
2202
check_func  isatty
2203
check_func  memalign
2204
check_func  mkstemp
2205
check_func  posix_memalign
2206
check_func_headers io.h setmode
2207
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2208
check_func_headers windows.h GetProcessTimes
2209
check_func_headers windows.h VirtualAlloc
2210

    
2211
check_header conio.h
2212
check_header dlfcn.h
2213
check_header malloc.h
2214
check_header poll.h
2215
check_header sys/mman.h
2216
check_header sys/resource.h
2217
check_header sys/select.h
2218
check_header termios.h
2219
check_header vdpau/vdpau.h
2220
check_header vdpau/vdpau_x11.h
2221
check_header X11/extensions/XvMClib.h
2222

    
2223
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2224
     enabled_any $need_memalign ; then
2225
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2226
fi
2227

    
2228
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2229
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2230

    
2231
# check for some common methods of building with pthread support
2232
# do this before the optional library checks as some of them require pthreads
2233
if enabled pthreads; then
2234
    if check_func pthread_create; then
2235
        :
2236
    elif check_func pthread_create -pthread; then
2237
        add_cflags -pthread
2238
        add_extralibs -pthread
2239
    elif check_func pthread_create -pthreads; then
2240
        add_cflags -pthreads
2241
        add_extralibs -pthreads
2242
    elif check_func pthread_create -lpthreadGC2; then
2243
        add_extralibs -lpthreadGC2
2244
    elif ! check_lib pthread.h pthread_create -lpthread; then
2245
        die "ERROR: can't find pthreads library"
2246
    fi
2247
fi
2248

    
2249
for thread in $THREADS_LIST; do
2250
    if enabled $thread; then
2251
        test -n "$thread_type" &&
2252
            die "ERROR: Only one thread type must be selected." ||
2253
            thread_type="$thread"
2254
    fi
2255
done
2256

    
2257
check_lib math.h sin -lm
2258
check_lib va/va.h vaInitialize -lva
2259

    
2260
check_func llrint
2261
check_func log2
2262
check_func lrint
2263
check_func lrintf
2264
check_func round
2265
check_func roundf
2266
check_func truncf
2267

    
2268
# these are off by default, so fail if requested and not available
2269
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2270
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2271
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2272
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2273
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2274
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2275
enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
2276
enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2277
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2278
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2279
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2280
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2281
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2282
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2283
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2284
enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
2285
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2286
enabled libx264    && require  libx264 x264.h x264_encoder_open -lx264 -lm &&
2287
                      { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2288
                        die "ERROR: libx264 version must be >= 0.65."; }
2289
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2290
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2291

    
2292
# libdc1394 check
2293
if enabled libdc1394; then
2294
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2295
        enable libdc1394_2; } ||
2296
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2297
        enable libdc1394_1; } ||
2298
    die "ERROR: No version of libdc1394 found "
2299
fi
2300

    
2301
disable sdl_too_old
2302
disable sdl
2303
SDL_CONFIG="${cross_prefix}sdl-config"
2304
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2305
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2306
    temp_cflags $sdl_cflags
2307
    temp_extralibs $("${SDL_CONFIG}" --libs)
2308
    if check_lib2 SDL.h SDL_Init; then
2309
        _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2310
        if test "$_sdlversion" -lt 121 ; then
2311
            enable sdl_too_old
2312
        else
2313
            enable sdl
2314
            check_cc $sdl_cflags <<EOF && enable sdl_video_size
2315
#include <SDL.h>
2316
int main(int argc, char **argv){
2317
    const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2318
    int w = vi->current_w;
2319
    return 0;
2320
}
2321
EOF
2322
        fi
2323
    fi
2324
    restore_flags
2325
fi
2326

    
2327
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2328

    
2329
if enabled network; then
2330
    check_type "sys/types.h sys/socket.h" socklen_t
2331
    # Prefer arpa/inet.h over winsock2
2332
    if check_header arpa/inet.h ; then
2333
        check_func closesocket
2334
    elif check_header winsock2.h ; then
2335
        check_func_headers winsock2.h closesocket -lws2 && \
2336
            network_extralibs="-lws2" || \
2337
        { check_func_headers winsock2.h closesocket -lws2_32 && \
2338
            network_extralibs="-lws2_32"; }
2339
        check_type ws2tcpip.h socklen_t
2340
    else
2341
        disable network
2342
    fi
2343
fi
2344

    
2345
enabled_all network ipv6 && check_ld <<EOF || disable ipv6
2346
#include <sys/types.h>
2347
#include <sys/socket.h>
2348
#include <netinet/in.h>
2349
#include <netdb.h>
2350
int main(void) {
2351
    struct sockaddr_storage saddr;
2352
    struct ipv6_mreq mreq6;
2353
    getaddrinfo(0,0,0,0);
2354
    getnameinfo(0,0,0,0,0,0,0);
2355
    IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2356
}
2357
EOF
2358

    
2359
check_header linux/videodev.h
2360
check_header linux/videodev2.h
2361
check_header sys/videoio.h
2362

    
2363
check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2364

    
2365
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2366
{ check_header dev/bktr/ioctl_meteor.h &&
2367
  check_header dev/bktr/ioctl_bt848.h; } ||
2368
{ check_header machine/ioctl_meteor.h &&
2369
  check_header machine/ioctl_bt848.h; } ||
2370
{ check_header dev/video/meteor/ioctl_meteor.h &&
2371
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2372
check_header dev/ic/bt8xx.h
2373

    
2374
check_header sys/soundcard.h
2375
check_header soundcard.h
2376

    
2377
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2378

    
2379
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2380

    
2381
enabled x11grab                         &&
2382
check_header X11/Xlib.h                 &&
2383
check_header X11/extensions/XShm.h      &&
2384
check_func XOpenDisplay -lX11           &&
2385
check_func XShmCreateImage -lX11 -lXext
2386

    
2387
enabled debug && add_cflags -g"$debuglevel"
2388

    
2389
# add some useful compiler flags if supported
2390
check_cflags -Wdeclaration-after-statement
2391
check_cflags -Wall
2392
check_cflags -Wno-switch
2393
check_cflags -Wdisabled-optimization
2394
check_cflags -Wpointer-arith
2395
check_cflags -Wredundant-decls
2396
check_cflags -Wno-pointer-sign
2397
check_cflags -Wcast-qual
2398
check_cflags -Wwrite-strings
2399
check_cflags -Wtype-limits
2400
check_cflags -Wundef
2401
enabled extra_warnings && check_cflags -Winline
2402

    
2403
# add some linker flags
2404
check_ldflags -Wl,--warn-common
2405
check_ldflags -Wl,--as-needed
2406
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'
2407
check_ldflags -Wl,-Bsymbolic
2408

    
2409
if enabled small; then
2410
    check_cflags -Os            # not all compilers support -Os
2411
    optimizations="small"
2412
elif enabled optimizations; then
2413
    if enabled xlc; then
2414
        add_cflags  -O5
2415
        add_ldflags -O5
2416
    elif enabled ccc; then
2417
        add_cflags -fast
2418
    else
2419
        add_cflags -O3
2420
    fi
2421
fi
2422
check_cflags -fno-math-errno
2423
check_cflags -fno-signed-zeros
2424

    
2425
if enabled icc; then
2426
    # Just warnings, no remarks
2427
    check_cflags -w1
2428
    # -wd: Disable following warnings
2429
    # 144, 167, 556: -Wno-pointer-sign
2430
    # 10006: ignoring unknown option -fno-signed-zeros
2431
    # 10156: ignoring option '-W'; no argument required
2432
    check_cflags -wd144,167,556,10006,10156
2433
    # 11030: Warning unknown option --as-needed
2434
    # 10156: ignoring option '-export'; no argument required
2435
    check_ldflags -wd10156,11030
2436
    # Allow to compile with optimizations
2437
    check_ldflags -march=$cpu
2438
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2439
    enable ebp_available
2440
elif enabled ccc; then
2441
    # disable some annoying warnings
2442
    add_cflags -msg_disable cvtu32to64
2443
    add_cflags -msg_disable embedcomment
2444
    add_cflags -msg_disable needconstext
2445
    add_cflags -msg_disable nomainieee
2446
    add_cflags -msg_disable ptrmismatch1
2447
    add_cflags -msg_disable unreachcode
2448
elif enabled gcc; then
2449
    check_cflags -fno-tree-vectorize
2450
fi
2451

    
2452
if enabled gprof; then
2453
    add_cflags  -p
2454
    add_ldflags -p
2455
fi
2456

    
2457
# Find out if the .align argument is a power of two or not.
2458
check_asm asmalign_pot '".align 3"'
2459

    
2460
enabled_any $DECODER_LIST      && enable decoders
2461
enabled_any $ENCODER_LIST      && enable encoders
2462
enabled_any $HWACCEL_LIST      && enable hwaccels
2463
enabled_any $BSF_LIST          && enable bsfs
2464
enabled_any $DEMUXER_LIST      && enable demuxers
2465
enabled_any $MUXER_LIST        && enable muxers
2466
enabled_any $FILTER_LIST       && enable filters
2467
enabled_any $INDEV_LIST        && enable indevs
2468
enabled_any $OUTDEV_LIST       && enable outdevs
2469
enabled_any $PROTOCOL_LIST     && enable protocols
2470

    
2471
enabled_any $THREADS_LIST      && enable threads
2472

    
2473
check_deps $CONFIG_LIST       \
2474
           $CONFIG_EXTRA      \
2475
           $HAVE_LIST         \
2476
           $DECODER_LIST      \
2477
           $ENCODER_LIST      \
2478
           $HWACCEL_LIST      \
2479
           $PARSER_LIST       \
2480
           $BSF_LIST          \
2481
           $DEMUXER_LIST      \
2482
           $MUXER_LIST        \
2483
           $FILTER_LIST       \
2484
           $INDEV_LIST        \
2485
           $OUTDEV_LIST       \
2486
           $PROTOCOL_LIST     \
2487

    
2488
echo "install prefix            $prefix"
2489
echo "source path               $source_path"
2490
echo "C compiler                $cc"
2491
echo ".align is power-of-two    $asmalign_pot"
2492
echo "ARCH                      $arch ($cpu)"
2493
if test "$build_suffix" != ""; then
2494
    echo "build suffix              $build_suffix"
2495
fi
2496
if test "$extra_version" != ""; then
2497
    echo "version string suffix     $extra_version"
2498
fi
2499
echo "big-endian                ${bigendian-no}"
2500
echo "runtime cpu detection     ${runtime_cpudetect-no}"
2501
if enabled x86; then
2502
    echo "yasm                      ${yasm-no}"
2503
    echo "MMX enabled               ${mmx-no}"
2504
    echo "MMX2 enabled              ${mmx2-no}"
2505
    echo "3DNow! enabled            ${amd3dnow-no}"
2506
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
2507
    echo "SSE enabled               ${sse-no}"
2508
    echo "SSSE3 enabled             ${ssse3-no}"
2509
    echo "CMOV enabled              ${cmov-no}"
2510
    echo "CMOV is fast              ${fast_cmov-no}"
2511
    echo "EBX available             ${ebx_available-no}"
2512
    echo "EBP available             ${ebp_available-no}"
2513
    echo "10 operands supported     ${ten_operands-no}"
2514
fi
2515
if enabled arm; then
2516
    echo "ARMv5TE enabled           ${armv5te-no}"
2517
    echo "ARMv6 enabled             ${armv6-no}"
2518
    echo "ARMv6T2 enabled           ${armv6t2-no}"
2519
    echo "ARM VFP enabled           ${armvfp-no}"
2520
    echo "IWMMXT enabled            ${iwmmxt-no}"
2521
    echo "NEON enabled              ${neon-no}"
2522
fi
2523
if enabled mips; then
2524
    echo "MMI enabled               ${mmi-no}"
2525
fi
2526
if enabled ppc; then
2527
    echo "AltiVec enabled           ${altivec-no}"
2528
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
2529
    echo "dcbzl available           ${dcbzl-no}"
2530
    echo "performance report        ${powerpc_perf-no}"
2531
fi
2532
if enabled sparc; then
2533
    echo "VIS enabled               ${vis-no}"
2534
fi
2535
echo "gprof enabled             ${gprof-no}"
2536
echo "debug symbols             ${debug-no}"
2537
echo "strip symbols             ${stripping-no}"
2538
echo "optimizations             ${optimizations-no}"
2539
echo "static                    ${static-no}"
2540
echo "shared                    ${shared-no}"
2541
echo "postprocessing support    ${postproc-no}"
2542
echo "new filter support        ${avfilter-no}"
2543
echo "filters using lavformat   ${avfilter_lavf-no}"
2544
echo "network support           ${network-no}"
2545
if enabled network; then
2546
    echo "IPv6 support              ${ipv6-no}"
2547
fi
2548
echo "threading support         ${thread_type-no}"
2549
echo "SDL support               ${sdl-no}"
2550
if enabled sdl_too_old; then
2551
    echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2552
fi
2553
echo "Sun medialib support      ${mlib-no}"
2554
echo "AVISynth enabled          ${avisynth-no}"
2555
echo "libdc1394 support         ${libdc1394-no}"
2556
echo "libdirac enabled          ${libdirac-no}"
2557
echo "libfaac enabled           ${libfaac-no}"
2558
echo "libfaad enabled           ${libfaad-no}"
2559
echo "libfaad dlopened          ${libfaadbin-no}"
2560
echo "libgsm enabled            ${libgsm-no}"
2561
echo "libmp3lame enabled        ${libmp3lame-no}"
2562
echo "libnut enabled            ${libnut-no}"
2563
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2564
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2565
echo "libopenjpeg enabled       ${libopenjpeg-no}"
2566
echo "libschroedinger enabled   ${libschroedinger-no}"
2567
echo "libspeex enabled          ${libspeex-no}"
2568
echo "libtheora enabled         ${libtheora-no}"
2569
echo "libvorbis enabled         ${libvorbis-no}"
2570
echo "libx264 enabled           ${libx264-no}"
2571
echo "libxvid enabled           ${libxvid-no}"
2572
echo "zlib enabled              ${zlib-no}"
2573
echo "bzlib enabled             ${bzlib-no}"
2574
echo
2575

    
2576
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2577
    echo "Enabled ${type}s:"
2578
    eval list=\$$(toupper $type)_LIST
2579
    for part in $list; do
2580
        enabled $part && echo ${part%_*}
2581
    done | sort | pr -3 -t
2582
    echo
2583
done
2584

    
2585
license="LGPL version 2.1 or later"
2586
if enabled nonfree; then
2587
    license="nonfree and unredistributable"
2588
elif enabled gplv3; then
2589
    license="GPL version 3 or later"
2590
elif enabled lgplv3; then
2591
    license="LGPL version 3 or later"
2592
elif enabled gpl; then
2593
    license="GPL version 2 or later"
2594
fi
2595

    
2596
echo "License: $license"
2597

    
2598
echo "Creating config.mak and config.h..."
2599

    
2600
echo "# Automatically generated by configure - do not modify!" > config.mak
2601
echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2602
echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2603
echo "#define FFMPEG_CONFIG_H" >> $TMPH
2604
echo "#define FFMPEG_CONFIGURATION \"$(c_escape $FFMPEG_CONFIGURATION)\"" >> $TMPH
2605
echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2606

    
2607
echo "ifndef FFMPEG_CONFIG_MAK" >> config.mak
2608
echo "FFMPEG_CONFIG_MAK=1" >> config.mak
2609

    
2610
echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2611
echo "prefix=$prefix" >> config.mak
2612
echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2613
echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2614
echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2615
echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2616
echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2617
echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2618
echo "SRC_PATH=\"$source_path\"" >> config.mak
2619
echo "SRC_PATH_BARE=$source_path" >> config.mak
2620
echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2621
echo "CC=$cc" >> config.mak
2622
echo "AS=$as" >> config.mak
2623
echo "LD=$ld" >> config.mak
2624
echo "DEPCC=$dep_cc" >> config.mak
2625
echo "YASM=$yasmexe" >> config.mak
2626
echo "AR=$ar" >> config.mak
2627
echo "RANLIB=$ranlib" >> config.mak
2628
echo "LN_S=$ln_s" >> config.mak
2629
enabled stripping &&
2630
    echo "STRIP=$strip" >> config.mak ||
2631
    echo "STRIP=echo ignoring strip" >> config.mak
2632

    
2633
echo "CPPFLAGS=$CPPFLAGS" >> config.mak
2634
echo "CFLAGS=$CFLAGS" >> config.mak
2635
echo "ASFLAGS=$ASFLAGS" >> config.mak
2636
echo "CC_O=$CC_O" >> config.mak
2637
echo "LDFLAGS=$LDFLAGS" >> config.mak
2638
echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2639
echo "SHFLAGS=$SHFLAGS" >> config.mak
2640
echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2641
echo "BUILDSUF=$build_suffix" >> config.mak
2642
echo "FULLNAME=$FULLNAME" >> config.mak
2643
echo "LIBPREF=$LIBPREF" >> config.mak
2644
echo "LIBSUF=$LIBSUF" >> config.mak
2645
echo "LIBNAME=$LIBNAME" >> config.mak
2646
echo "SLIBPREF=$SLIBPREF" >> config.mak
2647
echo "SLIBSUF=$SLIBSUF" >> config.mak
2648
echo "EXESUF=$EXESUF" >> config.mak
2649
echo "EXTRA_VERSION=$extra_version" >> config.mak
2650
echo "DEPFLAGS=$DEPFLAGS" >> config.mak
2651
echo "CCDEP=$CCDEP" >> config.mak
2652
echo "ASDEP=$ASDEP" >> config.mak
2653
echo "CC_DEPFLAGS=$CC_DEPFLAGS" >> config.mak
2654
echo "AS_DEPFLAGS=$AS_DEPFLAGS" >> config.mak
2655
echo "HOSTCC=$host_cc" >> config.mak
2656
echo "HOSTCFLAGS=$host_cflags" >> config.mak
2657
echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2658
echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2659
echo "HOSTLIBS=$host_libs" >> config.mak
2660
echo "TARGET_EXEC=$target_exec" >> config.mak
2661
echo "TARGET_PATH=$target_path" >> config.mak
2662

    
2663
if enabled sdl; then
2664
    echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2665
    echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
2666
fi
2667
if enabled texi2html; then
2668
    echo "BUILD_DOC=yes" >> config.mak
2669
fi
2670

    
2671
get_version(){
2672
    name=$1
2673
    file=$source_path/$2
2674
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2675
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2676
    lcname=$(tolower $name)
2677
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2678
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2679
}
2680

    
2681
get_version LIBSWSCALE  libswscale/swscale.h
2682
get_version LIBPOSTPROC libpostproc/postprocess.h
2683
get_version LIBAVCODEC  libavcodec/avcodec.h
2684
get_version LIBAVDEVICE libavdevice/avdevice.h
2685
get_version LIBAVFORMAT libavformat/avformat.h
2686
get_version LIBAVUTIL   libavutil/avutil.h
2687
get_version LIBAVFILTER libavfilter/avfilter.h
2688

    
2689
if enabled shared; then
2690
    echo "LIBTARGET=${LIBTARGET}" >> config.mak
2691
    echo "SLIBNAME=${SLIBNAME}" >> config.mak
2692
    echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2693
    echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2694
    echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2695
    echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2696
    echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2697
    echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2698
fi
2699
echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2700
echo "EXTRALIBS=$extralibs" >> config.mak
2701

    
2702
echo "ARCH=$arch" >> config.mak
2703

    
2704
print_config ARCH_   $TMPH config.mak $ARCH_LIST
2705
print_config HAVE_   $TMPH config.mak $HAVE_LIST
2706
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2707
                                      $CONFIG_EXTRA      \
2708
                                      $DECODER_LIST      \
2709
                                      $ENCODER_LIST      \
2710
                                      $HWACCEL_LIST      \
2711
                                      $PARSER_LIST       \
2712
                                      $BSF_LIST          \
2713
                                      $DEMUXER_LIST      \
2714
                                      $MUXER_LIST        \
2715
                                      $FILTER_LIST       \
2716
                                      $PROTOCOL_LIST     \
2717
                                      $INDEV_LIST        \
2718
                                      $OUTDEV_LIST       \
2719

    
2720
echo "#define restrict $_restrict" >> $TMPH
2721

    
2722
if enabled small || disabled optimizations; then
2723
    echo "#define av_always_inline"  >> $TMPH
2724
fi
2725

    
2726

    
2727
# Apparently it's not possible to portably echo a backslash.
2728
enabled asmalign_pot &&
2729
    printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2730
    printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2731

    
2732
echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2733

    
2734
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2735
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
2736

    
2737
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2738
cmp -s $TMPH config.h &&
2739
    echo "config.h is unchanged" ||
2740
    mv -f $TMPH config.h
2741

    
2742
# build tree in object directory if source path is different from current one
2743
if enabled source_path_used; then
2744
    DIRS="\
2745
        doc               \
2746
        libavcodec        \
2747
        libavcodec/$arch  \
2748
        libavdevice       \
2749
        libavfilter       \
2750
        libavformat       \
2751
        libavutil         \
2752
        libavutil/$arch   \
2753
        libpostproc       \
2754
        libswscale        \
2755
        libswscale/$arch  \
2756
        tests             \
2757
        tools             \
2758
        "
2759
    FILES="\
2760
        Makefile             \
2761
        common.mak           \
2762
        subdir.mak           \
2763
        doc/texi2pod.pl      \
2764
        libavcodec/Makefile  \
2765
        libavdevice/Makefile \
2766
        libavfilter/Makefile \
2767
        libavformat/Makefile \
2768
        libavutil/Makefile   \
2769
        libpostproc/Makefile \
2770
        libswscale/Makefile  \
2771
        "
2772
    for dir in $DIRS ; do
2773
        mkdir -p $dir
2774
    done
2775
    for f in $FILES ; do
2776
        $ln_s "$source_path/$f" $f
2777
    done
2778
fi
2779

    
2780

    
2781
# build pkg-config files
2782

    
2783
pkgconfig_generate(){
2784
name=$1
2785
shortname=${name#lib}${build_suffix}
2786
comment=$2
2787
version=$3
2788
libs=$4
2789
requires=$5
2790
cat <<EOF > $name/$name.pc
2791
prefix=$prefix
2792
exec_prefix=\${prefix}
2793
libdir=$libdir
2794
includedir=$incdir
2795

    
2796
Name: $name
2797
Description: $comment
2798
Version: $version
2799
Requires: $(disabled shared && echo $requires)
2800
Requires.private: $(enabled shared && echo $requires)
2801
Conflicts:
2802
Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2803
Libs.private: $(enabled shared && echo $libs)
2804
Cflags: -I\${includedir}
2805
EOF
2806
cat <<EOF > $name/$name-uninstalled.pc
2807
prefix=
2808
exec_prefix=
2809
libdir=\${pcfiledir}
2810
includedir=${source_path}
2811

    
2812
Name: $name
2813
Description: $comment
2814
Version: $version
2815
Requires: $requires
2816
Conflicts:
2817
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2818
Cflags: -I\${includedir}
2819
EOF
2820
}
2821

    
2822
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2823
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2824
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2825
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2826
enabled avfilter &&
2827
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2828
enabled postproc &&
2829
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2830
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"