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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"
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  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"
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  echo "  --disable-neon           disable neon optimizations"
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  echo "  --disable-vis            disable VIS optimizations"
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  echo "  --disable-yasm           disable use of yasm assembler"
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  echo
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  echo "Developer options (useful when working on FFmpeg itself):"
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  echo "  --disable-debug          disable debugging symbols"
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  echo "  --enable-debug=LEVEL     set the debug level [$debuglevel]"
228
  echo "  --enable-gprof           enable profiling with gprof [$gprof]"
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  echo "  --disable-optimizations  disable compiler optimizations"
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  echo "  --enable-extra-warnings  enable more compiler warnings"
231
  echo "  --disable-stripping      disable stripping of executables and shared libraries"
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  echo ""
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  echo "NOTE: Object files are built at the place where configure is launched."
234
  exit 0
235
}
236

    
237
log(){
238
    echo "$@" >> $logfile
239
}
240

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
590
check_cppflags(){
591
    log check_cppflags "$@"
592
    check_cc "$@" <<EOF && add_cppflags "$@"
593
int x;
594
EOF
595
}
596

    
597
check_cflags(){
598
    log check_cflags "$@"
599
    check_cc "$@" <<EOF && add_cflags "$@"
600
int x;
601
EOF
602
}
603

    
604
check_ldflags(){
605
    log check_ldflags "$@"
606
    check_ld "$@" <<EOF && add_ldflags "$@"
607
int main(void){ return 0; }
608
EOF
609
}
610

    
611
check_header(){
612
    log check_header "$@"
613
    header=$1
614
    shift
615
    disable_safe $header
616
    check_cpp "$@" <<EOF && enable_safe $header
617
#include <$header>
618
int x;
619
EOF
620
}
621

    
622
check_func(){
623
    log check_func "$@"
624
    func=$1
625
    shift
626
    disable $func
627
    check_ld "$@" <<EOF && enable $func
628
extern int $func();
629
int main(void){ $func(); }
630
EOF
631
}
632

    
633
check_func_headers(){
634
    log check_func_headers "$@"
635
    headers=$1
636
    func=$2
637
    shift 2
638
    disable $func
639
    incs=""
640
    for hdr in $headers; do
641
        incs="$incs
642
#include <$hdr>"
643
    done
644
    check_ld "$@" <<EOF && enable $func && enable_safe $headers
645
$incs
646
int main(int argc, char **argv){
647
    (void) $func;
648
    return 0;
649
}
650
EOF
651
}
652

    
653
check_cpp_condition(){
654
    log check_cpp_condition "$@"
655
    header=$1
656
    condition=$2
657
    check_cpp <<EOF
658
#include <$header>
659
#if !($condition)
660
#error "unsatisfied condition: $condition"
661
#endif
662
EOF
663
}
664

    
665
check_lib(){
666
    log check_lib "$@"
667
    header="$1"
668
    func="$2"
669
    shift 2
670
    temp_extralibs "$@"
671
    check_header $header && check_func $func && add_extralibs "$@"
672
    err=$?
673
    restore_flags
674
    return $err
675
}
676

    
677
check_lib2(){
678
    log check_lib2 "$@"
679
    headers="$1"
680
    func="$2"
681
    shift 2
682
    temp_extralibs "$@"
683
    check_func_headers "$headers" $func && add_extralibs "$@"
684
    err=$?
685
    restore_flags
686
    return $err
687
}
688

    
689
check_exec(){
690
    check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
691
}
692

    
693
check_exec_crash(){
694
    code=$(cat)
695

    
696
    # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
697
    # are safe but may not be available everywhere.  Thus we use
698
    # raise(SIGTERM) instead.  The check is run in a subshell so we
699
    # can redirect the "Terminated" message from the shell.  SIGBUS
700
    # is not defined by standard C so it is used conditionally.
701

    
702
    (check_exec "$@") >> $logfile 2>&1 <<EOF
703
#include <signal.h>
704
static void sighandler(int sig){
705
    raise(SIGTERM);
706
}
707
int main(void){
708
    signal(SIGILL, sighandler);
709
    signal(SIGFPE, sighandler);
710
    signal(SIGSEGV, sighandler);
711
#ifdef SIGBUS
712
    signal(SIGBUS, sighandler);
713
#endif
714
    { $code }
715
}
716
EOF
717
}
718

    
719
check_type(){
720
    log check_type "$@"
721
    headers=$1
722
    type=$2
723
    shift 2
724
    disable $type
725
    incs=""
726
    for hdr in $headers; do
727
        incs="$incs
728
#include <$hdr>"
729
    done
730
    check_cc "$@" <<EOF && enable $type
731
$incs
732
$type v;
733
EOF
734
}
735

    
736
require(){
737
    name="$1"
738
    header="$2"
739
    func="$3"
740
    shift 3
741
    check_lib $header $func "$@" || die "ERROR: $name not found"
742
}
743

    
744
require2(){
745
    name="$1"
746
    headers="$2"
747
    func="$3"
748
    shift 3
749
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
750
}
751

    
752
check_foo_config(){
753
    cfg=$1
754
    pkg=$2
755
    header=$3
756
    func=$4
757
    shift 4
758
    disable $cfg
759
    check_cmd ${pkg}-config --version
760
    err=$?
761
    if test "$err" = 0; then
762
        temp_cflags $(${pkg}-config --cflags)
763
        temp_extralibs $(${pkg}-config --libs)
764
        check_lib "$@" $header $func && enable $cfg
765
    fi
766
    return $err
767
}
768

    
769
apply(){
770
    file=$1
771
    shift
772
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
773
}
774

    
775
# CONFIG_LIST contains configurable options, while HAVE_LIST is for
776
# system-dependent things.
777

    
778
COMPONENT_LIST="
779
    bsfs
780
    decoders
781
    demuxers
782
    encoders
783
    filters
784
    hwaccels
785
    indevs
786
    muxers
787
    outdevs
788
    parsers
789
    protocols
790
"
791

    
792
CONFIG_LIST="
793
    $COMPONENT_LIST
794
    aandct
795
    avfilter
796
    avfilter_lavf
797
    avisynth
798
    beos_netserver
799
    bzlib
800
    fastdiv
801
    ffmpeg
802
    ffplay
803
    ffserver
804
    fft
805
    golomb
806
    gpl
807
    gprof
808
    gray
809
    hardcoded_tables
810
    ipv6
811
    libdc1394
812
    libdirac
813
    libfaac
814
    libfaad
815
    libfaadbin
816
    libgsm
817
    libmp3lame
818
    libnut
819
    libopencore_amrnb
820
    libopencore_amrwb
821
    libopenjpeg
822
    libschroedinger
823
    libspeex
824
    libtheora
825
    libvorbis
826
    libx264
827
    libxvid
828
    mdct
829
    memalign_hack
830
    mlib
831
    mpegaudio_hp
832
    network
833
    nonfree
834
    postproc
835
    powerpc_perf
836
    rdft
837
    runtime_cpudetect
838
    shared
839
    small
840
    static
841
    swscale_alpha
842
    vaapi
843
    vdpau
844
    version3
845
    x11grab
846
    zlib
847
"
848

    
849
THREADS_LIST='
850
    beosthreads
851
    os2threads
852
    pthreads
853
    w32threads
854
'
855

    
856
ARCH_LIST='
857
    alpha
858
    arm
859
    bfin
860
    ia64
861
    m68k
862
    mips
863
    mips64
864
    parisc
865
    ppc
866
    ppc64
867
    s390
868
    sh4
869
    sparc
870
    sparc64
871
    x86
872
    x86_32
873
    x86_64
874
'
875

    
876
ARCH_EXT_LIST='
877
    altivec
878
    amd3dnow
879
    amd3dnowext
880
    armv5te
881
    armv6
882
    armv6t2
883
    armvfp
884
    iwmmxt
885
    mmi
886
    mmx
887
    mmx2
888
    neon
889
    ppc4xx
890
    sse
891
    ssse3
892
    vis
893
'
894

    
895
HAVE_LIST="
896
    $ARCH_EXT_LIST
897
    $THREADS_LIST
898
    alsa_asoundlib_h
899
    altivec_h
900
    arpa_inet_h
901
    bigendian
902
    bswap
903
    closesocket
904
    cmov
905
    conio_h
906
    dcbzl
907
    dev_bktr_ioctl_bt848_h
908
    dev_bktr_ioctl_meteor_h
909
    dev_ic_bt8xx_h
910
    dev_video_meteor_ioctl_meteor_h
911
    dev_video_bktr_ioctl_bt848_h
912
    dlfcn_h
913
    dlopen
914
    dos_paths
915
    ebp_available
916
    ebx_available
917
    fast_64bit
918
    fast_cmov
919
    fast_unaligned
920
    fork
921
    gethrtime
922
    GetProcessTimes
923
    getrusage
924
    inet_aton
925
    inline_asm
926
    ldbrx
927
    libdc1394_1
928
    libdc1394_2
929
    llrint
930
    log2
931
    loongson
932
    lrint
933
    lrintf
934
    lzo1x_999_compress
935
    machine_ioctl_bt848_h
936
    machine_ioctl_meteor_h
937
    malloc_h
938
    memalign
939
    mkstemp
940
    pld
941
    posix_memalign
942
    round
943
    roundf
944
    sdl
945
    sdl_video_size
946
    setmode
947
    socklen_t
948
    soundcard_h
949
    poll_h
950
    sys_mman_h
951
    sys_resource_h
952
    sys_select_h
953
    sys_soundcard_h
954
    sys_videoio_h
955
    ten_operands
956
    termios_h
957
    threads
958
    truncf
959
    VirtualAlloc
960
    winsock2_h
961
    xform_asm
962
    yasm
963
"
964

    
965
# options emitted with CONFIG_ prefix but not available on command line
966
CONFIG_EXTRA="
967
    gplv3
968
    lgplv3
969
"
970

    
971
CMDLINE_SELECT="
972
    $ARCH_EXT_LIST
973
    $CONFIG_LIST
974
    $THREADS_LIST
975
    cross_compile
976
    debug
977
    extra_warnings
978
    logging
979
    optimizations
980
    stripping
981
    yasm
982
"
983

    
984
PATHS_LIST='
985
    bindir
986
    datadir
987
    incdir
988
    libdir
989
    mandir
990
    prefix
991
    shlibdir
992
'
993

    
994
CMDLINE_SET="
995
    $PATHS_LIST
996
    arch
997
    as
998
    build_suffix
999
    cc
1000
    cpu
1001
    cross_prefix
1002
    dep_cc
1003
    extra_cflags
1004
    extra_version
1005
    host_cc
1006
    host_cflags
1007
    host_ldflags
1008
    host_libs
1009
    host_os
1010
    ld
1011
    logfile
1012
    nm
1013
    source_path
1014
    sysinclude
1015
    sysroot
1016
    target_exec
1017
    target_os
1018
    target_path
1019
"
1020

    
1021
# code dependency declarations
1022

    
1023
# architecture extensions
1024
altivec_deps="ppc"
1025
amd3dnow_deps="mmx"
1026
amd3dnowext_deps="amd3dnow"
1027
armv5te_deps="arm"
1028
armv6_deps="arm"
1029
armv6t2_deps="arm"
1030
armvfp_deps="arm"
1031
iwmmxt_deps="arm"
1032
mmi_deps="mips"
1033
mmx_deps="x86"
1034
mmx2_deps="mmx"
1035
neon_deps="arm"
1036
ppc4xx_deps="ppc"
1037
sse_deps="mmx"
1038
ssse3_deps="sse"
1039
vis_deps="sparc"
1040

    
1041
# decoders / encoders / hardware accelerators
1042
aac_decoder_select="fft mdct"
1043
ac3_decoder_select="fft mdct"
1044
atrac3_decoder_select="fft mdct"
1045
cavs_decoder_select="golomb"
1046
cook_decoder_select="fft mdct"
1047
cscd_decoder_suggest="zlib"
1048
dca_decoder_select="fft mdct"
1049
dnxhd_encoder_select="aandct"
1050
dxa_decoder_select="zlib"
1051
eac3_decoder_select="fft mdct"
1052
eatgq_decoder_select="aandct"
1053
eatqi_decoder_select="aandct"
1054
ffv1_decoder_select="golomb"
1055
flac_decoder_select="golomb"
1056
flac_encoder_select="golomb"
1057
flashsv_decoder_select="zlib"
1058
flashsv_encoder_select="zlib"
1059
flv_encoder_select="aandct"
1060
h261_encoder_select="aandct"
1061
h263_encoder_select="aandct"
1062
h263_vaapi_hwaccel_deps="va_va_h"
1063
h263_vaapi_hwaccel_select="vaapi h263_decoder"
1064
h263p_encoder_select="aandct"
1065
h264_decoder_select="golomb"
1066
h264_vaapi_hwaccel_deps="va_va_h"
1067
h264_vaapi_hwaccel_select="vaapi"
1068
h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1069
h264_vdpau_decoder_select="vdpau h264_decoder"
1070
imc_decoder_select="fft mdct"
1071
jpegls_decoder_select="golomb"
1072
jpegls_encoder_select="golomb"
1073
ljpeg_encoder_select="aandct"
1074
loco_decoder_select="golomb"
1075
mjpeg_encoder_select="aandct"
1076
mpeg1video_encoder_select="aandct"
1077
mpeg2video_encoder_select="aandct"
1078
mpeg4_encoder_select="aandct"
1079
mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1080
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1081
mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1082
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1083
mpeg2_vaapi_hwaccel_deps="va_va_h"
1084
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1085
mpeg4_vaapi_hwaccel_deps="va_va_h"
1086
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1087
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1088
msmpeg4v1_encoder_select="aandct"
1089
msmpeg4v2_encoder_select="aandct"
1090
msmpeg4v3_encoder_select="aandct"
1091
nellymoser_decoder_select="fft mdct"
1092
nellymoser_encoder_select="fft mdct"
1093
png_decoder_select="zlib"
1094
png_encoder_select="zlib"
1095
qdm2_decoder_select="fft mdct rdft"
1096
rv10_encoder_select="aandct"
1097
rv20_encoder_select="aandct"
1098
rv30_decoder_select="golomb"
1099
rv40_decoder_select="golomb"
1100
shorten_decoder_select="golomb"
1101
sonic_decoder_select="golomb"
1102
sonic_encoder_select="golomb"
1103
sonic_ls_encoder_select="golomb"
1104
svq3_decoder_select="golomb"
1105
svq3_decoder_suggest="zlib"
1106
tiff_decoder_suggest="zlib"
1107
tiff_encoder_suggest="zlib"
1108
tscc_decoder_select="zlib"
1109
vc1_vaapi_hwaccel_deps="va_va_h"
1110
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1111
vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1112
vc1_vdpau_decoder_select="vdpau vc1_decoder"
1113
vorbis_decoder_select="fft mdct"
1114
vorbis_encoder_select="fft mdct"
1115
wmav1_decoder_select="fft mdct"
1116
wmav1_encoder_select="fft mdct"
1117
wmav2_decoder_select="fft mdct"
1118
wmav2_encoder_select="fft mdct"
1119
wmv1_encoder_select="aandct"
1120
wmv2_encoder_select="aandct"
1121
wmv3_vaapi_hwaccel_deps="va_va_h"
1122
wmv3_vaapi_hwaccel_select="vaapi wmv3_decoder"
1123
wmv3_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1124
wmv3_vdpau_decoder_select="vdpau wmv3_decoder"
1125
zlib_decoder_select="zlib"
1126
zlib_encoder_select="zlib"
1127
zmbv_decoder_select="zlib"
1128
zmbv_encoder_select="zlib"
1129

    
1130
# parsers
1131
h264_parser_select="golomb"
1132

    
1133
# external libraries
1134
libdirac_decoder_deps="libdirac !libschroedinger"
1135
libdirac_encoder_deps="libdirac"
1136
libfaac_encoder_deps="libfaac"
1137
libfaad_decoder_deps="libfaad"
1138
libfaadbin_decoder_extralibs='$ldl'
1139
libgsm_decoder_deps="libgsm"
1140
libgsm_encoder_deps="libgsm"
1141
libgsm_ms_decoder_deps="libgsm"
1142
libgsm_ms_encoder_deps="libgsm"
1143
libmp3lame_encoder_deps="libmp3lame"
1144
libopencore_amrnb_decoder_deps="libopencore_amrnb"
1145
libopencore_amrnb_encoder_deps="libopencore_amrnb"
1146
libopencore_amrwb_decoder_deps="libopencore_amrwb"
1147
libopenjpeg_decoder_deps="libopenjpeg"
1148
libschroedinger_decoder_deps="libschroedinger"
1149
libschroedinger_encoder_deps="libschroedinger"
1150
libspeex_decoder_deps="libspeex"
1151
libtheora_encoder_deps="libtheora"
1152
libvorbis_encoder_deps="libvorbis"
1153
libx264_encoder_deps="libx264"
1154
libxvid_encoder_deps="libxvid"
1155

    
1156
# demuxers / muxers
1157
ac3_demuxer_deps="ac3_parser"
1158
avisynth_demuxer_deps="avisynth"
1159
dirac_demuxer_deps="dirac_parser"
1160
libnut_demuxer_deps="libnut"
1161
libnut_muxer_deps="libnut"
1162
matroska_demuxer_suggest="zlib bzlib"
1163
mov_demuxer_suggest="zlib"
1164
mp3_demuxer_deps="mpegaudio_parser"
1165
redir_demuxer_deps="network"
1166
rtp_muxer_deps="network rtp_protocol"
1167
rtsp_demuxer_deps="sdp_demuxer"
1168
sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1169

    
1170
# indevs / outdevs
1171
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1172
alsa_indev_extralibs="-lasound"
1173
alsa_outdev_deps="alsa_asoundlib_h"
1174
alsa_outdev_extralibs="-lasound"
1175
audio_beos_indev_deps="audio_beos"
1176
audio_beos_indev_extralibs="-lmedia -lbe"
1177
audio_beos_outdev_deps="audio_beos"
1178
audio_beos_outdev_extralibs="-lmedia -lbe"
1179
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1180
dv1394_indev_deps="dv1394 dv_demuxer"
1181
jack_indev_deps="jack_jack_h"
1182
jack_indev_extralibs="-ljack"
1183
libdc1394_indev_deps="libdc1394"
1184
oss_indev_deps_any="soundcard_h sys_soundcard_h"
1185
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1186
v4l_indev_deps="linux_videodev_h"
1187
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1188
vfwcap_indev_deps="capCreateCaptureWindow"
1189
vfwcap_indev_extralibs="-lvfw32"
1190
x11_grab_device_indev_deps="x11grab XShmCreateImage"
1191
x11_grab_device_indev_extralibs="-lX11 -lXext"
1192

    
1193
# protocols
1194
gopher_protocol_deps="network"
1195
http_protocol_deps="network"
1196
rtp_protocol_deps="udp_protocol"
1197
tcp_protocol_deps="network"
1198
udp_protocol_deps="network"
1199

    
1200
# filters
1201
movie_filter_deps="avfilter_lavf"
1202

    
1203
# programs
1204
ffplay_deps="sdl"
1205
ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1206
ffserver_extralibs='$ldl'
1207

    
1208

    
1209
# default parameters
1210

    
1211
logfile="config.err"
1212

    
1213
# installation paths
1214
prefix_default="/usr/local"
1215
bindir_default='${prefix}/bin'
1216
datadir_default='${prefix}/share/ffmpeg'
1217
incdir_default='${prefix}/include'
1218
libdir_default='${prefix}/lib'
1219
mandir_default='${prefix}/share/man'
1220
shlibdir_default="$libdir_default"
1221

    
1222
# toolchain
1223
ar="ar"
1224
cc_default="gcc"
1225
host_cc_default="gcc"
1226
ln_s="ln -sf"
1227
nm_default="nm"
1228
objformat="elf"
1229
ranlib="ranlib"
1230
strip="strip"
1231
yasmexe="yasm"
1232

    
1233
# machine
1234
arch=$(uname -m)
1235
cpu="generic"
1236

    
1237
# OS
1238
target_os=$(tolower $(uname -s))
1239
host_os=$target_os
1240

    
1241
# configurable options
1242
enable debug
1243
enable fastdiv
1244
enable ffmpeg
1245
enable ffplay
1246
enable ffserver
1247
enable ipv6
1248
enable mpegaudio_hp
1249
enable network
1250
enable optimizations
1251
enable protocols
1252
enable static
1253
enable stripping
1254
enable swscale_alpha
1255

    
1256
# build settings
1257
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1258
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1259
FFSERVERLDFLAGS=-Wl,-E
1260
LIBPREF="lib"
1261
LIBSUF=".a"
1262
FULLNAME='$(NAME)$(BUILDSUF)'
1263
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1264
SLIBPREF="lib"
1265
SLIBSUF=".so"
1266
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1267
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1268
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1269
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1270

    
1271
CC_O='-o $@'
1272

    
1273
host_cflags='-O3 -g -Wall'
1274
host_libs='-lm'
1275

    
1276
target_path='.'
1277

    
1278
# gcc stupidly only outputs the basename of targets with -MM, but we need the
1279
# full relative path for objects in subdirectories for non-recursive Make.
1280
DEPEND_CMD='$(DEPCC) $(CPPFLAGS) -MM $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1281

    
1282
# find source path
1283
source_path="$(dirname "$0")"
1284
enable source_path_used
1285
if test -z "$source_path" -o "$source_path" = "." ; then
1286
    source_path="$(pwd)"
1287
    disable source_path_used
1288
else
1289
    source_path="$(cd "$source_path"; pwd)"
1290
    echo "$source_path" | grep -q '[[:blank:]]' &&
1291
        die "Out of tree builds are impossible with whitespace in source path."
1292
    test -e "$source_path/config.h" &&
1293
        die "Out of tree builds are impossible with config.h in source dir."
1294
fi
1295

    
1296
for v in "$@"; do
1297
    r=${v#*=}
1298
    l=${v%"$r"}
1299
    r=$(sh_quote "$r")
1300
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1301
done
1302

    
1303
find_things(){
1304
    thing=$1
1305
    pattern=$2
1306
    file=$source_path/$3
1307
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1308
}
1309

    
1310
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1311
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1312
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1313
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1314
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1315
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1316
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1317
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1318
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1319
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1320
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1321

    
1322
enable $ARCH_EXT_LIST \
1323
       $DECODER_LIST \
1324
       $ENCODER_LIST \
1325
       $HWACCEL_LIST \
1326
       $PARSER_LIST \
1327
       $BSF_LIST \
1328
       $DEMUXER_LIST \
1329
       $MUXER_LIST \
1330
       $FILTER_LIST \
1331
       $PROTOCOL_LIST \
1332
       $INDEV_LIST \
1333
       $OUTDEV_LIST \
1334

    
1335
die_unknown(){
1336
    echo "Unknown option \"$1\"."
1337
    echo "See $0 --help for available options."
1338
    exit 1
1339
}
1340

    
1341
show_list() {
1342
    suffix=_$1
1343
    shift
1344
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1345
    exit 0
1346
}
1347

    
1348
for opt do
1349
    optval="${opt#*=}"
1350
    case "$opt" in
1351
    --extra-ldflags=*) add_ldflags $optval
1352
    ;;
1353
    --extra-libs=*) add_extralibs $optval
1354
    ;;
1355
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1356
    ;;
1357
    --enable-debug=*) debuglevel="$optval"
1358
    ;;
1359
    --enable-*=*|--disable-*=*)
1360
    eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
1361
    case "$thing" in
1362
        encoder|decoder|hwaccel|muxer|demuxer|indev|outdev|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1363
        *) die_unknown "$opt" ;;
1364
    esac
1365
    ;;
1366
    --enable-?*|--disable-?*)
1367
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1368
    if is_in $option $COMPONENT_LIST; then
1369
        test $action = disable && action=unset
1370
        eval $action \$$(toupper ${option%s})_LIST
1371
    elif is_in $option $CMDLINE_SELECT; then
1372
        $action $option
1373
    else
1374
        die_unknown $opt
1375
    fi
1376
    ;;
1377
    --list-*)
1378
        NAME="${opt#--list-}"
1379
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1380
        NAME=${NAME%s}
1381
        eval show_list $NAME \$$(toupper $NAME)_LIST
1382
    ;;
1383
    --help|-h) show_help
1384
    ;;
1385
    *)
1386
    optname="${opt%%=*}"
1387
    optname="${optname#--}"
1388
    optname=$(echo "$optname" | sed 's/-/_/g')
1389
    is_in $optname $CMDLINE_SET || die_unknown $opt
1390
    eval $optname='$optval'
1391
    ;;
1392
    esac
1393
done
1394

    
1395
disabled logging && logfile=/dev/null
1396

    
1397
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1398
set >> $logfile
1399

    
1400
test -n "$cross_prefix" && enable cross_compile
1401

    
1402
ar="${cross_prefix}${ar}"
1403
cc_default="${cross_prefix}${cc_default}"
1404
nm_default="${cross_prefix}${nm_default}"
1405
ranlib="${cross_prefix}${ranlib}"
1406
strip="${cross_prefix}${strip}"
1407

    
1408
sysinclude_default="${sysroot}/usr/include"
1409

    
1410
set_default cc nm sysinclude
1411
enabled cross_compile || host_cc_default=$cc
1412
set_default host_cc
1413

    
1414
exesuf() {
1415
    case $1 in
1416
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1417
    esac
1418
}
1419

    
1420
EXESUF=$(exesuf $target_os)
1421
HOSTEXESUF=$(exesuf $host_os)
1422

    
1423
# set temporary file name
1424
: ${TMPDIR:=$TEMPDIR}
1425
: ${TMPDIR:=$TMP}
1426
: ${TMPDIR:=/tmp}
1427

    
1428
if ! check_cmd type mktemp; then
1429
    # simple replacement for missing mktemp
1430
    # NOT SAFE FOR GENERAL USE
1431
    mktemp(){
1432
        echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1433
    }
1434
fi
1435

    
1436
tmpfile(){
1437
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1438
        (set -C; exec > $tmp) 2>/dev/null ||
1439
        die "Unable to create temoporary file in $TMPDIR."
1440
    append TMPFILES $tmp
1441
    eval $1=$tmp
1442
}
1443

    
1444
trap 'rm -f -- $TMPFILES' EXIT
1445
trap exit HUP INT TERM
1446

    
1447
tmpfile TMPC  .c
1448
tmpfile TMPE  $EXESUF
1449
tmpfile TMPH  .h
1450
tmpfile TMPO  .o
1451
tmpfile TMPS  .S
1452
tmpfile TMPSH .sh
1453

    
1454
unset -f mktemp
1455

    
1456
# make sure we can execute files in $TMPDIR
1457
cat > $TMPSH 2>> $logfile <<EOF
1458
#! /bin/sh
1459
EOF
1460
chmod +x $TMPSH >> $logfile 2>&1
1461
if ! $TMPSH >> $logfile 2>&1; then
1462
    cat <<EOF
1463
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1464
variable to another directory and make sure that it is not mounted noexec.
1465
EOF
1466
    die "Sanity test failed."
1467
fi
1468

    
1469
if   $cc --version 2>/dev/null | grep -qi gcc; then
1470
    cc_type=gcc
1471
elif $cc --version 2>/dev/null | grep -q Intel; then
1472
    cc_type=icc
1473
elif $cc -v 2>&1 | grep -q xlc; then
1474
    cc_type=xlc
1475
elif $cc -V 2>/dev/null | grep -q Compaq; then
1476
    cc_type=ccc
1477
    DEPEND_CMD='$(CC) $(CPPFLAGS) -M $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1478
    debuglevel=3
1479
    add_ldflags -Wl,-z,now # calls to libots crash without this
1480
elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1481
    test -d "$sysroot" || die "No valid sysroot specified."
1482
    cc_type=armcc
1483
    armcc_conf="$PWD/armcc.conf"
1484
    $cc --arm_linux_configure                 \
1485
        --arm_linux_config_file="$armcc_conf" \
1486
        --configure_sysroot="$sysroot"        \
1487
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1488
        die "Error creating armcc configuration file."
1489
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1490
    as_default="${cross_prefix}gcc"
1491
fi
1492

    
1493
test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1494

    
1495
: ${as_default:=$cc}
1496
: ${dep_cc_default:=$cc}
1497
: ${ld_default:=$cc}
1498
set_default as dep_cc ld
1499

    
1500
add_cflags $extra_cflags
1501
add_asflags $extra_cflags
1502

    
1503
if test -n "$sysroot"; then
1504
    case "$cc_type" in
1505
        gcc)
1506
            add_cppflags --sysroot="$sysroot"
1507
            add_ldflags --sysroot="$sysroot"
1508
        ;;
1509
    esac
1510
fi
1511

    
1512
# compiler sanity check
1513
check_exec <<EOF
1514
int main(void){ return 0; }
1515
EOF
1516
if test "$?" != 0; then
1517
    echo "$cc is unable to create an executable file."
1518
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
1519
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1520
        echo "Only do this if you know what cross compiling means."
1521
    fi
1522
    die "C compiler test failed."
1523
fi
1524

    
1525
check_cflags -std=c99
1526
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1527
#include <stdlib.h>
1528
EOF
1529
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
1530
#include <stdlib.h>
1531
EOF
1532

    
1533
case "$arch" in
1534
    alpha)
1535
        arch="alpha"
1536
        enable fast_64bit
1537
        check_cflags -mieee
1538
    ;;
1539
    arm|armv[4567]*l)
1540
        arch="arm"
1541
    ;;
1542
    avr32)
1543
    ;;
1544
    bfin)
1545
        arch="bfin"
1546
    ;;
1547
    ia64)
1548
        arch="ia64"
1549
        enable fast_64bit
1550
    ;;
1551
    m68k)
1552
        arch="m68k"
1553
    ;;
1554
    mips|mipsel|IP*)
1555
        arch="mips"
1556
    ;;
1557
    mips64)
1558
        arch="mips"
1559
        subarch="mips64"
1560
        enable fast_64bit
1561
    ;;
1562
    parisc|hppa)
1563
        arch="parisc"
1564
    ;;
1565
    parisc64|hppa64)
1566
        arch="parisc"
1567
        enable fast_64bit
1568
    ;;
1569
    "Power Macintosh"|ppc|powerpc)
1570
        arch="ppc"
1571
        enable fast_unaligned
1572
    ;;
1573
    ppc64)
1574
        arch="ppc"
1575
        subarch="ppc64"
1576
        enable fast_64bit
1577
        enable fast_unaligned
1578
    ;;
1579
    s390|s390x)
1580
        arch="s390"
1581
    ;;
1582
    sh4|sh)
1583
        arch="sh4"
1584
    ;;
1585
    sparc)
1586
        arch="sparc"
1587
    ;;
1588
    sun4u|sparc64)
1589
        arch="sparc"
1590
        subarch="sparc64"
1591
        enable fast_64bit
1592
    ;;
1593
    i386|i486|i586|i686|i86pc|BePC)
1594
        arch="x86"
1595
        subarch="x86_32"
1596
        enable fast_unaligned
1597
    ;;
1598
    x86_64|amd64)
1599
        arch="x86"
1600
        subarch="x86_32"
1601
        enable cmov
1602
        enable fast_cmov
1603
        enable fast_unaligned
1604
        check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1605
        int test[sizeof(char*) - 7];
1606
EOF
1607
    ;;
1608
    *)
1609
        arch="unknown"
1610
    ;;
1611
esac
1612

    
1613
enable $arch $subarch
1614

    
1615
# OS specific
1616
case $target_os in
1617
    beos|haiku|zeta)
1618
        prefix_default="$HOME/config"
1619
        # helps building libavcodec
1620
        add_cppflags -DPIC
1621
        add_cflags -fomit-frame-pointer
1622
        # 3 gcc releases known for BeOS, each with ugly bugs
1623
        gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1624
        case "$gcc_version" in
1625
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1626
            disable mmx
1627
            ;;
1628
          *20010315*) echo "BeBits gcc"
1629
            add_cflags -fno-expensive-optimizations
1630
            ;;
1631
        esac
1632
        SHFLAGS=-nostart
1633
        # enable BeOS things
1634
        enable audio_beos
1635
        # no need for libm, but the inet stuff
1636
        # Check for BONE
1637
        # XXX: actually should check for NOT net_server
1638
        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1639
            network_extralibs="-lbind -lsocket"
1640
        else
1641
            enable beos_netserver
1642
            network_extralibs="-lnet"
1643
        fi ;;
1644
    sunos)
1645
        FFSERVERLDFLAGS=""
1646
        SHFLAGS='-shared -Wl,-h,$$(@F)'
1647
        network_extralibs="-lsocket -lnsl"
1648
        add_cppflags -D__EXTENSIONS__
1649
        ;;
1650
    netbsd)
1651
        oss_indev_extralibs="-lossaudio"
1652
        oss_outdev_extralibs="-lossaudio"
1653
        ;;
1654
    openbsd)
1655
        disable need_memalign
1656
        LIBOBJFLAGS='$(PIC)'
1657
        SHFLAGS='-shared'
1658
        oss_indev_extralibs="-lossaudio"
1659
        oss_outdev_extralibs="-lossaudio"
1660
        ;;
1661
    freebsd|dragonfly)
1662
        disable need_memalign
1663
        ;;
1664
    bsd/os)
1665
        osextralibs="-lpoll -lgnugetopt"
1666
        strip="strip -d"
1667
        ;;
1668
    darwin)
1669
        disable need_memalign
1670
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1671
        strip="strip -x"
1672
        FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1673
        SLIBSUF=".dylib"
1674
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1675
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1676
        FFSERVERLDFLAGS=-Wl,-bind_at_load
1677
        objformat="macho"
1678
        enabled x86_64 && objformat="macho64"
1679
        ;;
1680
    mingw32*)
1681
        target_os=mingw32
1682
        LIBTARGET=i386
1683
        if enabled x86_64; then
1684
            disable need_memalign
1685
            LIBTARGET=x64
1686
        fi
1687
        shlibdir_default="$bindir_default"
1688
        disable ffserver
1689
        SLIBPREF=""
1690
        SLIBSUF=".dll"
1691
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1692
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1693
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1694
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1695
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1696
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1697
        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'
1698
        objformat="win32"
1699
        enable dos_paths
1700
        check_cflags -fno-common
1701
        if ! enabled x86_64; then
1702
            check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1703
                die "ERROR: MinGW runtime version must be >= 3.15."
1704
            enabled_any avisynth vfwcap_demuxer &&
1705
                { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1706
                  die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1707
            fi
1708
        ;;
1709
    cygwin*)
1710
        target_os=cygwin
1711
        shlibdir_default="$bindir_default"
1712
        SLIBPREF="cyg"
1713
        SLIBSUF=".dll"
1714
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1715
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1716
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
1717
        objformat="win32"
1718
        enable dos_paths
1719
        check_cflags -fno-common
1720
        ;;
1721
    *-dos|freedos|opendos)
1722
        disable ffplay ffserver
1723
        disable $INDEV_LIST $OUTDEV_LIST
1724
        network_extralibs="-lsocket"
1725
        objformat="coff"
1726
        enable dos_paths
1727
        ;;
1728
    linux)
1729
        enable dv1394
1730
        ;;
1731
    irix*)
1732
        target_os=irix
1733
        ranlib="echo ignoring ranlib"
1734
        ;;
1735
    os/2*)
1736
        strip="lxlite"
1737
        ln_s="cp -f"
1738
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1739
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1740
        FFSERVERLDFLAGS=""
1741
        LIBSUF="_s.a"
1742
        SLIBPREF=""
1743
        SLIBSUF=".dll"
1744
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1745
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1746
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1747
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1748
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1749
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1750
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1751
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1752
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1753
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1754
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1755
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1756
        enable dos_paths
1757
        ;;
1758
    gnu/kfreebsd)
1759
        ;;
1760
    gnu)
1761
        ;;
1762

    
1763
    *)
1764
        die "Unknown OS '$target_os'."
1765
        ;;
1766
esac
1767

    
1768
set_default $PATHS_LIST
1769

    
1770
add_extralibs $osextralibs
1771

    
1772
# Combine FFLDFLAGS and the LDFLAGS environment variable.
1773
LDFLAGS="$FFLDFLAGS $LDFLAGS"
1774

    
1775
# we need to build at least one lib type
1776
if ! enabled_any static shared; then
1777
    cat <<EOF
1778
At least one library type must be built.
1779
Specify --enable-static to build the static libraries or --enable-shared to
1780
build the shared libraries as well. To only build the shared libraries specify
1781
--disable-static in addition to --enable-shared.
1782
EOF
1783
    exit 1;
1784
fi
1785

    
1786
disabled static && LIBNAME=""
1787

    
1788
if enabled_any libfaad libfaadbin ; then
1789
    if check_header faad.h; then
1790
        check_cc <<EOF
1791
#include <faad.h>
1792
#ifndef FAAD2_VERSION
1793
ok faad1
1794
#endif
1795
int main(void) { return 0; }
1796
EOF
1797
        test $? = 0 && enable libfaad2
1798
    else
1799
        die "FAAD test failed."
1800
    fi
1801
fi
1802

    
1803

    
1804
die_license_disabled() {
1805
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
1806
}
1807

    
1808
die_license_disabled gpl libfaad2
1809
die_license_disabled gpl libx264
1810
die_license_disabled gpl libxvid
1811
die_license_disabled gpl postproc
1812
die_license_disabled gpl x11grab
1813

    
1814
die_license_disabled nonfree libfaac
1815

    
1816
die_license_disabled version3 libopencore_amrnb
1817
die_license_disabled version3 libopencore_amrwb
1818

    
1819
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
1820

    
1821
check_deps $ARCH_EXT_LIST
1822

    
1823
test -z "$need_memalign" && need_memalign="$mmx"
1824

    
1825
#Darwin CC versions
1826
if test $target_os = darwin; then
1827
    if enabled xlc; then
1828
        add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1829
    else
1830
        add_cflags -pipe
1831
        check_cflags -force_cpusubtype_ALL
1832
        check_cflags -Wno-sign-compare
1833
        enabled shared || check_cflags -mdynamic-no-pic
1834
    fi
1835
fi
1836

    
1837
disabled optimizations || check_cflags -fomit-frame-pointer
1838

    
1839
# Add processor-specific flags
1840
if test $cpu != "generic"; then
1841
    warn_altivec(){
1842
        $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1843
    }
1844
    case $cpu in
1845
        601|ppc601|PowerPC601)
1846
            cpuflags="-mcpu=601"
1847
            warn_altivec enabled PPC601
1848
        ;;
1849
        603*|ppc603*|PowerPC603*)
1850
            cpuflags="-mcpu=603"
1851
            warn_altivec enabled PPC603
1852
        ;;
1853
        604*|ppc604*|PowerPC604*)
1854
            cpuflags="-mcpu=604"
1855
            warn_altivec enabled PPC604
1856
        ;;
1857
        G3|g3|75*|ppc75*|PowerPC75*)
1858
            cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1859
            warn_altivec enabled PPC75x
1860
        ;;
1861
        G4|g4|745*|ppc745*|PowerPC745*)
1862
            cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1863
            warn_altivec disabled PPC745x
1864
        ;;
1865
        74*|ppc74*|PowerPC74*)
1866
            cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1867
            warn_altivec disabled PPC74xx
1868
        ;;
1869
        G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1870
            cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1871
            warn_altivec disabled PPC970
1872
        ;;
1873
        Cell|CELL|cell)
1874
            cpuflags="-mcpu=cell"
1875
            warn_altivec disabled Cell
1876
            enable ldbrx
1877
        ;;
1878
        # targets that do NOT support conditional mov (cmov)
1879
        i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1880
            cpuflags="-march=$cpu"
1881
            disable cmov
1882
        ;;
1883
        # targets that do support conditional mov (cmov)
1884
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1885
            cpuflags="-march=$cpu"
1886
            enable cmov
1887
            enable fast_cmov
1888
        ;;
1889
        # targets that do support conditional mov but on which it's slow
1890
        pentium4|pentium4m|prescott|nocona)
1891
            cpuflags="-march=$cpu"
1892
            enable cmov
1893
            disable fast_cmov
1894
        ;;
1895
        sparc64)
1896
            cpuflags="-mcpu=v9"
1897
        ;;
1898
        arm11*|cortex*)
1899
            cpuflags="-mcpu=$cpu"
1900
            enable fast_unaligned
1901
        ;;
1902
        armv[67]*)
1903
            cpuflags="-march=$cpu"
1904
            enable fast_unaligned
1905
        ;;
1906
        armv*)
1907
            cpuflags="-march=$cpu"
1908
        ;;
1909
        arm*)
1910
            cpuflags="-mcpu=$cpu"
1911
        ;;
1912
        ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1913
            enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1914
        ;;
1915
        bf*)
1916
            cpuflags="-mcpu=$cpu"
1917
        ;;
1918
        mips*|[45]k*|[237]4k*|m4k|r*000|loongson2[ef])
1919
            cpuflags="-march=$cpu"
1920
        ;;
1921
        *)
1922
            echo "WARNING: Unknown CPU \"$cpu\", ignored."
1923
        ;;
1924
    esac
1925
fi
1926

    
1927
add_cflags $cpuflags
1928
add_asflags $cpuflags
1929

    
1930
check_cc <<EOF || die "Symbol mangling check failed."
1931
int ff_extern;
1932
EOF
1933
sym=$($nm -P -g $TMPO | grep ff_extern)
1934
extern_prefix=${sym%%ff_extern*}
1935

    
1936
check_cc <<EOF && enable inline_asm
1937
void foo(void) { __asm__ volatile ("" ::); }
1938
EOF
1939

    
1940
if enabled x86; then
1941
    # check whether EBP is available on x86
1942
    # As 'i' is stored on the stack, this program will crash
1943
    # if the base pointer is used to access it because the
1944
    # base pointer is cleared in the inline assembly code.
1945
    check_exec_crash <<EOF && enable ebp_available
1946
    volatile int i=0;
1947
    __asm__ volatile (
1948
        "xorl %%ebp, %%ebp"
1949
    ::: "%ebp");
1950
    return i;
1951
EOF
1952

    
1953
    # check wether EBX is available on x86
1954
    check_asm ebx_available '"":::"%ebx"'
1955

    
1956
    # check whether more than 10 operands are supported
1957
    check_cc <<EOF && enable ten_operands
1958
int main(void) {
1959
    int x=0;
1960
    __asm__ volatile(
1961
        ""
1962
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
1963
    );
1964
    return 0;
1965
}
1966
EOF
1967

    
1968
    # check whether binutils is new enough to compile SSSE3/MMX2
1969
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1970
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
1971

    
1972
    check_asm bswap '"bswap %%eax" ::: "%eax"'
1973

    
1974
    YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
1975
    enabled     x86_64        && append YASMFLAGS "-m amd64"
1976
    enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1977
    case "$objformat" in
1978
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1979
        macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
1980
        *)                    append YASMFLAGS "-DPREFIX"  ;;
1981
    esac
1982
    disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
1983
fi
1984

    
1985
# check for assembler specific support
1986

    
1987
enabled mips && check_asm loongson '"dmult.g $1, $2, $3"'
1988

    
1989
enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
1990
enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
1991
enabled ppc && check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
1992

    
1993
# check for SIMD availability
1994

    
1995
# AltiVec flags: The FSF version of GCC differs from the Apple version
1996
if enabled altivec; then
1997
    check_cflags -maltivec -mabi=altivec &&
1998
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1999
        check_cflags -faltivec
2000

    
2001
    # check if our compiler supports Motorola AltiVec C API
2002
    check_cc <<EOF || disable altivec
2003
$inc_altivec_h
2004
int main(void) {
2005
    vector signed int v1, v2, v3;
2006
    v1 = vec_add(v2,v3);
2007
    return 0;
2008
}
2009
EOF
2010

    
2011
    # check if our compiler supports braces for vector declarations
2012
    check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2013
$inc_altivec_h
2014
int main (void) { (vector int) {1}; return 0; }
2015
EOF
2016
fi
2017

    
2018
# We have to check if pld is a nop and disable it.
2019
enabled arm     && check_asm pld     '"pld [r0]"'
2020
enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2021
enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2022
enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2023
enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2024
enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2025
enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2026
enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2027
enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
2028

    
2029
enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2030

    
2031
# ---
2032
# big/little-endian test
2033
check_cc <<EOF || die "endian test failed"
2034
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2035
EOF
2036
od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2037

    
2038
# ---
2039
# check availability of some header files
2040

    
2041
if check_func dlopen; then
2042
    ldl=
2043
elif check_func dlopen -ldl; then
2044
    ldl=-ldl
2045
fi
2046

    
2047
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2048
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2049

    
2050
check_func  fork
2051
check_func  gethrtime
2052
check_func  getrusage
2053
check_func  inet_aton $network_extralibs
2054
check_func  memalign
2055
check_func  mkstemp
2056
check_func  posix_memalign
2057
check_func_headers io.h setmode
2058
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2059
check_func_headers windows.h GetProcessTimes
2060
check_func_headers windows.h VirtualAlloc
2061

    
2062
check_header conio.h
2063
check_header dlfcn.h
2064
check_header malloc.h
2065
check_header poll.h
2066
check_header sys/mman.h
2067
check_header sys/resource.h
2068
check_header sys/select.h
2069
check_header termios.h
2070
check_header vdpau/vdpau.h
2071
check_header vdpau/vdpau_x11.h
2072
check_header X11/extensions/XvMClib.h
2073

    
2074
if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
2075
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2076
fi
2077

    
2078
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2079
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2080

    
2081
# check for some common methods of building with pthread support
2082
# do this before the optional library checks as some of them require pthreads
2083
if enabled pthreads; then
2084
    if check_func pthread_create; then
2085
        :
2086
    elif check_func pthread_create -pthread; then
2087
        add_cflags -pthread
2088
        add_extralibs -pthread
2089
    elif check_func pthread_create -pthreads; then
2090
        add_cflags -pthreads
2091
        add_extralibs -pthreads
2092
    elif check_func pthread_create -lpthreadGC2; then
2093
        add_extralibs -lpthreadGC2
2094
    elif ! check_lib pthread.h pthread_create -lpthread; then
2095
        die "ERROR: can't find pthreads library"
2096
    fi
2097
fi
2098

    
2099
for thread in $THREADS_LIST; do
2100
    if enabled $thread; then
2101
        test -n "$thread_type" &&
2102
            die "ERROR: Only one thread type must be selected." ||
2103
            thread_type="$thread"
2104
    fi
2105
done
2106

    
2107
check_lib math.h sin -lm
2108
check_lib va/va.h vaInitialize -lva
2109

    
2110
# test for C99 functions in math.h
2111
for func in llrint log2 lrint lrintf round roundf truncf; do
2112
    check_exec <<EOF && enable $func || disable $func
2113
#include <math.h>
2114
int main(void) { return ($func(3.999f) > 0)?0:1; }
2115
EOF
2116
done
2117

    
2118
# these are off by default, so fail if requested and not available
2119
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2120
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2121
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2122
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
2123
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2124
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2125
enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
2126
enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2127
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2128
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2129
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2130
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2131
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2132
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2133
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2134
enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
2135
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2136
enabled libx264    && require  libx264 x264.h x264_encoder_open -lx264 -lm &&
2137
                      { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2138
                        die "ERROR: libx264 version must be >= 0.65."; }
2139
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2140
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2141

    
2142
# libdc1394 check
2143
if enabled libdc1394; then
2144
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2145
        enable libdc1394_2; } ||
2146
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2147
        enable libdc1394_1; } ||
2148
    die "ERROR: No version of libdc1394 found "
2149
fi
2150

    
2151

    
2152
_restrict=
2153
for restrict_keyword in restrict __restrict__ __restrict; do
2154
    check_cc <<EOF && _restrict=$restrict_keyword && break
2155
void foo(char * $restrict_keyword p);
2156
EOF
2157
done
2158

    
2159
##########################################
2160
# SDL check
2161

    
2162
disable sdl_too_old
2163
disable sdl
2164
SDL_CONFIG="${cross_prefix}sdl-config"
2165
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2166
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2167
    temp_cflags $sdl_cflags
2168
    temp_extralibs $("${SDL_CONFIG}" --libs)
2169
    if check_lib2 SDL.h SDL_Init; then
2170
        _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2171
        if test "$_sdlversion" -lt 121 ; then
2172
            enable sdl_too_old
2173
        else
2174
            enable sdl
2175
            check_cc $sdl_cflags <<EOF && enable sdl_video_size
2176
#include <SDL.h>
2177
int main(int argc, char **argv){
2178
    const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2179
    int w = vi->current_w;
2180
    return 0;
2181
}
2182
EOF
2183
        fi
2184
    fi
2185
    restore_flags
2186
fi
2187

    
2188
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2189

    
2190
##########################################
2191
# Network check
2192

    
2193
if enabled network; then
2194
    check_type "sys/types.h sys/socket.h" socklen_t
2195
    # Prefer arpa/inet.h over winsock2
2196
    if check_header arpa/inet.h ; then
2197
        check_func closesocket
2198
    elif check_header winsock2.h ; then
2199
        network_extralibs="-lws2_32"
2200
        check_type ws2tcpip.h socklen_t
2201
        check_func_headers winsock2.h closesocket
2202
    else
2203
        disable network
2204
    fi
2205
fi
2206

    
2207
##########################################
2208
# IPv6 check
2209

    
2210
enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
2211
#include <sys/types.h>
2212
#include <sys/socket.h>
2213
#include <netinet/in.h>
2214
#include <netdb.h>
2215
int main(void) {
2216
    struct sockaddr_storage saddr;
2217
    struct ipv6_mreq mreq6;
2218
    getaddrinfo(0,0,0,0);
2219
    getnameinfo(0,0,0,0,0,0,0);
2220
    IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2221
}
2222
EOF
2223

    
2224
check_header linux/videodev.h
2225
check_header linux/videodev2.h
2226
check_header sys/videoio.h
2227

    
2228
check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2229

    
2230
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2231
{ check_header dev/bktr/ioctl_meteor.h &&
2232
  check_header dev/bktr/ioctl_bt848.h; } ||
2233
{ check_header machine/ioctl_meteor.h &&
2234
  check_header machine/ioctl_bt848.h; } ||
2235
{ check_header dev/video/meteor/ioctl_meteor.h &&
2236
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2237
check_header dev/ic/bt8xx.h
2238

    
2239
check_header sys/soundcard.h
2240
check_header soundcard.h
2241

    
2242
enabled alsa_demuxer || enabled alsa_muxer && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2243

    
2244
enabled jack_demuxer && check_lib2 jack/jack.h jack_client_open -ljack
2245

    
2246
# deal with the X11 frame grabber
2247
enabled x11grab                         &&
2248
check_header X11/Xlib.h                 &&
2249
check_header X11/extensions/XShm.h      &&
2250
check_func XOpenDisplay -lX11           &&
2251
check_func XShmCreateImage -lX11 -lXext
2252

    
2253
enabled debug && add_cflags -g"$debuglevel"
2254

    
2255
# add some useful compiler flags if supported
2256
check_cflags -Wdeclaration-after-statement
2257
check_cflags -Wall
2258
check_cflags -Wno-switch
2259
check_cflags -Wdisabled-optimization
2260
check_cflags -Wpointer-arith
2261
check_cflags -Wredundant-decls
2262
check_cflags -Wno-pointer-sign
2263
check_cflags -Wcast-qual
2264
check_cflags -Wwrite-strings
2265
check_cflags -Wtype-limits
2266
check_cflags -Wundef
2267
enabled extra_warnings && check_cflags -Winline
2268

    
2269
# add some linker flags
2270
check_ldflags -Wl,--warn-common
2271
check_ldflags -Wl,--as-needed
2272
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'
2273
check_ldflags -Wl,-Bsymbolic
2274

    
2275
if enabled small; then
2276
    check_cflags -Os            # not all compilers support -Os
2277
    optimizations="small"
2278
elif enabled optimizations; then
2279
    if enabled xlc; then
2280
        add_cflags  -O5
2281
        add_ldflags -O5
2282
    elif enabled ccc; then
2283
        add_cflags -fast
2284
    else
2285
        add_cflags -O3
2286
    fi
2287
fi
2288
check_cflags -fno-math-errno
2289
check_cflags -fno-signed-zeros
2290

    
2291
# add some flags for Intel C Compiler
2292
if enabled icc; then
2293
    # Just warnings, no remarks
2294
    check_cflags -w1
2295
    # -wd: Disable following warnings
2296
    # 144, 167, 556: -Wno-pointer-sign
2297
    # 10006: ignoring unknown option -fno-signed-zeros
2298
    # 10156: ignoring option '-W'; no argument required
2299
    check_cflags -wd144,167,556,10006,10156
2300
    # 11030: Warning unknown option --as-needed
2301
    # 10156: ignoring option '-export'; no argument required
2302
    check_ldflags -wd10156,11030
2303
    # Allow to compile with optimizations
2304
    check_ldflags -march=$cpu
2305
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2306
    enable ebp_available
2307
elif enabled ccc; then
2308
    # disable some annoying warnings
2309
    add_cflags -msg_disable cvtu32to64
2310
    add_cflags -msg_disable embedcomment
2311
    add_cflags -msg_disable needconstext
2312
    add_cflags -msg_disable nomainieee
2313
    add_cflags -msg_disable ptrmismatch1
2314
    add_cflags -msg_disable unreachcode
2315
fi
2316

    
2317
# PIC flags for shared library objects where they are needed
2318
if enabled shared; then
2319
    # LIBOBJFLAGS may have already been set in the OS configuration
2320
    if test -z "$LIBOBJFLAGS" ; then
2321
        case "${subarch-$arch}" in
2322
            x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2323
        esac
2324
    fi
2325
fi
2326

    
2327
if enabled gprof; then
2328
    add_cflags  -p
2329
    add_ldflags -p
2330
fi
2331

    
2332
# Find out if the .align argument is a power of two or not.
2333
check_asm asmalign_pot '".align 3"'
2334

    
2335
enabled_any $DECODER_LIST      && enable decoders
2336
enabled_any $ENCODER_LIST      && enable encoders
2337
enabled_any $HWACCEL_LIST      && enable hwaccels
2338
enabled_any $BSF_LIST          && enable bsfs
2339
enabled_any $DEMUXER_LIST      && enable demuxers
2340
enabled_any $MUXER_LIST        && enable muxers
2341
enabled_any $FILTER_LIST       && enable filters
2342
enabled_any $INDEV_LIST        && enable demuxers
2343
enabled_any $OUTDEV_LIST       && enable muxers
2344
enabled_any $PROTOCOL_LIST     && enable protocols
2345

    
2346
enabled_any $THREADS_LIST      && enable threads
2347

    
2348
check_deps $CONFIG_LIST       \
2349
           $CONFIG_EXTRA      \
2350
           $HAVE_LIST         \
2351
           $DECODER_LIST      \
2352
           $ENCODER_LIST      \
2353
           $HWACCEL_LIST      \
2354
           $PARSER_LIST       \
2355
           $BSF_LIST          \
2356
           $DEMUXER_LIST      \
2357
           $MUXER_LIST        \
2358
           $FILTER_LIST       \
2359
           $INDEV_LIST        \
2360
           $OUTDEV_LIST       \
2361
           $PROTOCOL_LIST     \
2362

    
2363
echo "install prefix            $prefix"
2364
echo "source path               $source_path"
2365
echo "C compiler                $cc"
2366
echo ".align is power-of-two    $asmalign_pot"
2367
echo "ARCH                      $arch ($cpu)"
2368
if test "$build_suffix" != ""; then
2369
    echo "build suffix              $build_suffix"
2370
fi
2371
if test "$extra_version" != ""; then
2372
    echo "version string suffix     $extra_version"
2373
fi
2374
echo "big-endian                ${bigendian-no}"
2375
echo "runtime cpu detection     ${runtime_cpudetect-no}"
2376
if enabled x86; then
2377
    echo "yasm                      ${yasm-no}"
2378
    echo "MMX enabled               ${mmx-no}"
2379
    echo "MMX2 enabled              ${mmx2-no}"
2380
    echo "3DNow! enabled            ${amd3dnow-no}"
2381
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
2382
    echo "SSE enabled               ${sse-no}"
2383
    echo "SSSE3 enabled             ${ssse3-no}"
2384
    echo "CMOV enabled              ${cmov-no}"
2385
    echo "CMOV is fast              ${fast_cmov-no}"
2386
    echo "EBX available             ${ebx_available-no}"
2387
    echo "EBP available             ${ebp_available-no}"
2388
    echo "10 operands supported     ${ten_operands-no}"
2389
fi
2390
if enabled arm; then
2391
    echo "ARMv5TE enabled           ${armv5te-no}"
2392
    echo "ARMv6 enabled             ${armv6-no}"
2393
    echo "ARMv6T2 enabled           ${armv6t2-no}"
2394
    echo "ARM VFP enabled           ${armvfp-no}"
2395
    echo "IWMMXT enabled            ${iwmmxt-no}"
2396
    echo "NEON enabled              ${neon-no}"
2397
fi
2398
if enabled mips; then
2399
    echo "MMI enabled               ${mmi-no}"
2400
fi
2401
if enabled ppc; then
2402
    echo "AltiVec enabled           ${altivec-no}"
2403
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
2404
    echo "dcbzl available           ${dcbzl-no}"
2405
    echo "performance report        ${powerpc_perf-no}"
2406
fi
2407
if enabled sparc; then
2408
    echo "VIS enabled               ${vis-no}"
2409
fi
2410
echo "gprof enabled             ${gprof-no}"
2411
echo "debug symbols             ${debug-no}"
2412
echo "strip symbols             ${stripping-no}"
2413
echo "optimizations             ${optimizations-no}"
2414
echo "static                    ${static-no}"
2415
echo "shared                    ${shared-no}"
2416
echo "postprocessing support    ${postproc-no}"
2417
echo "new filter support        ${avfilter-no}"
2418
echo "filters using lavformat   ${avfilter_lavf-no}"
2419
echo "network support           ${network-no}"
2420
if enabled network; then
2421
    echo "IPv6 support              ${ipv6-no}"
2422
fi
2423
echo "threading support         ${thread_type-no}"
2424
echo "SDL support               ${sdl-no}"
2425
if enabled sdl_too_old; then
2426
    echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2427
fi
2428
echo "Sun medialib support      ${mlib-no}"
2429
echo "AVISynth enabled          ${avisynth-no}"
2430
echo "libdc1394 support         ${libdc1394-no}"
2431
echo "libdirac enabled          ${libdirac-no}"
2432
echo "libfaac enabled           ${libfaac-no}"
2433
echo "libfaad enabled           ${libfaad-no}"
2434
echo "libfaad dlopened          ${libfaadbin-no}"
2435
echo "libgsm enabled            ${libgsm-no}"
2436
echo "libmp3lame enabled        ${libmp3lame-no}"
2437
echo "libnut enabled            ${libnut-no}"
2438
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2439
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2440
echo "libopenjpeg enabled       ${libopenjpeg-no}"
2441
echo "libschroedinger enabled   ${libschroedinger-no}"
2442
echo "libspeex enabled          ${libspeex-no}"
2443
echo "libtheora enabled         ${libtheora-no}"
2444
echo "libvorbis enabled         ${libvorbis-no}"
2445
echo "libx264 enabled           ${libx264-no}"
2446
echo "libxvid enabled           ${libxvid-no}"
2447
echo "zlib enabled              ${zlib-no}"
2448
echo "bzlib enabled             ${bzlib-no}"
2449
echo
2450

    
2451
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2452
    echo "Enabled ${type}s:"
2453
    eval list=\$$(toupper $type)_LIST
2454
    for part in $list; do
2455
        enabled $part && echo ${part%_*}
2456
    done | sort | pr -3 -t
2457
    echo
2458
done
2459

    
2460
license="LGPL version 2.1 or later"
2461
if enabled nonfree; then
2462
    license="nonfree and unredistributable"
2463
elif enabled gplv3; then
2464
    license="GPL version 3 or later"
2465
elif enabled lgplv3; then
2466
    license="LGPL version 3 or later"
2467
elif enabled gpl; then
2468
    license="GPL version 2 or later"
2469
fi
2470

    
2471
echo "License: $license"
2472

    
2473
echo "Creating config.mak and config.h..."
2474

    
2475
echo "# Automatically generated by configure - do not modify!" > config.mak
2476
echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2477
echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2478
echo "#define FFMPEG_CONFIG_H" >> $TMPH
2479
echo "#define FFMPEG_CONFIGURATION \"$(c_escape $FFMPEG_CONFIGURATION)\"" >> $TMPH
2480
echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2481

    
2482
echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2483
echo "prefix=$prefix" >> config.mak
2484
echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2485
echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2486
echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2487
echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2488
echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2489
echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2490
echo "SRC_PATH=\"$source_path\"" >> config.mak
2491
echo "SRC_PATH_BARE=$source_path" >> config.mak
2492
echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2493
echo "CC=$cc" >> config.mak
2494
echo "AS=$as" >> config.mak
2495
echo "LD=$ld" >> config.mak
2496
echo "DEPCC=$dep_cc" >> config.mak
2497
echo "YASM=$yasmexe" >> config.mak
2498
echo "AR=$ar" >> config.mak
2499
echo "RANLIB=$ranlib" >> config.mak
2500
echo "LN_S=$ln_s" >> config.mak
2501
enabled stripping &&
2502
    echo "STRIP=$strip" >> config.mak ||
2503
    echo "STRIP=echo ignoring strip" >> config.mak
2504

    
2505
echo "CPPFLAGS?=$CPPFLAGS" >> config.mak
2506
echo "CFLAGS=$CFLAGS" >> config.mak
2507
echo "ASFLAGS=$ASFLAGS" >> config.mak
2508
echo "CC_O=$CC_O" >> config.mak
2509
echo "LDFLAGS=$LDFLAGS" >> config.mak
2510
echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2511
echo "SHFLAGS=$SHFLAGS" >> config.mak
2512
echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2513
echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2514
echo "BUILD_STATIC=$static" >> config.mak
2515
echo "BUILDSUF=$build_suffix" >> config.mak
2516
echo "FULLNAME=$FULLNAME" >> config.mak
2517
echo "LIBPREF=$LIBPREF" >> config.mak
2518
echo "LIBSUF=$LIBSUF" >> config.mak
2519
echo "LIBNAME=$LIBNAME" >> config.mak
2520
echo "SLIBPREF=$SLIBPREF" >> config.mak
2521
echo "SLIBSUF=$SLIBSUF" >> config.mak
2522
echo "EXESUF=$EXESUF" >> config.mak
2523
echo "EXTRA_VERSION=$extra_version" >> config.mak
2524
echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2525
echo "HOSTCC=$host_cc" >> config.mak
2526
echo "HOSTCFLAGS=$host_cflags" >> config.mak
2527
echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2528
echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2529
echo "HOSTLIBS=$host_libs" >> config.mak
2530
echo "TARGET_EXEC=$target_exec" >> config.mak
2531
echo "TARGET_PATH=$target_path" >> config.mak
2532

    
2533
if enabled bigendian; then
2534
    echo "WORDS_BIGENDIAN=yes" >> config.mak
2535
    echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2536
fi
2537

    
2538
if enabled sdl; then
2539
    echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2540
    echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
2541
fi
2542
if enabled texi2html; then
2543
    echo "BUILD_DOC=yes" >> config.mak
2544
fi
2545

    
2546
get_version(){
2547
    name=$1
2548
    file=$source_path/$2
2549
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2550
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2551
    lcname=$(tolower $name)
2552
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2553
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2554
}
2555

    
2556
get_version LIBSWSCALE  libswscale/swscale.h
2557
get_version LIBPOSTPROC libpostproc/postprocess.h
2558
get_version LIBAVCODEC  libavcodec/avcodec.h
2559
get_version LIBAVDEVICE libavdevice/avdevice.h
2560
get_version LIBAVFORMAT libavformat/avformat.h
2561
get_version LIBAVUTIL   libavutil/avutil.h
2562
get_version LIBAVFILTER libavfilter/avfilter.h
2563

    
2564
if enabled shared; then
2565
    echo "BUILD_SHARED=yes" >> config.mak
2566
    echo "PIC=-fPIC -DPIC" >> config.mak
2567
    echo "LIBTARGET=${LIBTARGET}" >> config.mak
2568
    echo "SLIBNAME=${SLIBNAME}" >> config.mak
2569
    echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2570
    echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2571
    echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2572
    echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2573
    echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2574
    echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2575
fi
2576
echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2577
echo "EXTRALIBS=$extralibs" >> config.mak
2578

    
2579
echo "ARCH=$arch" >> config.mak
2580

    
2581
print_config ARCH_   $TMPH config.mak $ARCH_LIST
2582
print_config HAVE_   $TMPH config.mak $HAVE_LIST
2583
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2584
                                      $CONFIG_EXTRA      \
2585
                                      $DECODER_LIST      \
2586
                                      $ENCODER_LIST      \
2587
                                      $HWACCEL_LIST      \
2588
                                      $PARSER_LIST       \
2589
                                      $BSF_LIST          \
2590
                                      $DEMUXER_LIST      \
2591
                                      $MUXER_LIST        \
2592
                                      $FILTER_LIST       \
2593
                                      $PROTOCOL_LIST     \
2594
                                      $INDEV_LIST        \
2595
                                      $OUTDEV_LIST       \
2596

    
2597
echo "#define restrict $_restrict" >> $TMPH
2598

    
2599
if enabled small; then
2600
    echo "#define av_always_inline"  >> $TMPH
2601
fi
2602

    
2603

    
2604
# Apparently it's not possible to portably echo a backslash.
2605
enabled asmalign_pot &&
2606
    printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2607
    printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2608

    
2609
echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2610

    
2611
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2612

    
2613
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2614
cmp -s $TMPH config.h &&
2615
    echo "config.h is unchanged" ||
2616
    mv -f $TMPH config.h
2617

    
2618
# build tree in object directory if source path is different from current one
2619
if enabled source_path_used; then
2620
    DIRS="\
2621
        doc               \
2622
        libavcodec        \
2623
        libavcodec/alpha  \
2624
        libavcodec/arm    \
2625
        libavcodec/bfin   \
2626
        libavcodec/mlib   \
2627
        libavcodec/ppc    \
2628
        libavcodec/sh4    \
2629
        libavcodec/sparc  \
2630
        libavcodec/x86    \
2631
        libavdevice       \
2632
        libavfilter       \
2633
        libavformat       \
2634
        libavutil         \
2635
        libpostproc       \
2636
        libswscale        \
2637
        libswscale/bfin   \
2638
        libswscale/mlib   \
2639
        libswscale/ppc    \
2640
        libswscale/sparc  \
2641
        libswscale/x86    \
2642
        tests             \
2643
        tools             \
2644
        "
2645
    FILES="\
2646
        Makefile             \
2647
        common.mak           \
2648
        subdir.mak           \
2649
        doc/texi2pod.pl      \
2650
        libavcodec/Makefile  \
2651
        libavdevice/Makefile \
2652
        libavfilter/Makefile \
2653
        libavformat/Makefile \
2654
        libavutil/Makefile   \
2655
        libpostproc/Makefile \
2656
        libswscale/Makefile  \
2657
        "
2658
    for dir in $DIRS ; do
2659
        mkdir -p $dir
2660
    done
2661
    for f in $FILES ; do
2662
        $ln_s "$source_path/$f" $f
2663
    done
2664
fi
2665

    
2666

    
2667
# build pkg-config files
2668

    
2669
pkgconfig_generate(){
2670
name=$1
2671
shortname=${name#lib}${build_suffix}
2672
comment=$2
2673
version=$3
2674
libs=$4
2675
requires=$5
2676
cat <<EOF > $name/$name.pc
2677
prefix=$prefix
2678
exec_prefix=\${prefix}
2679
libdir=$libdir
2680
includedir=$incdir
2681

    
2682
Name: $name
2683
Description: $comment
2684
Version: $version
2685
Requires: $(disabled shared && echo $requires)
2686
Requires.private: $(enabled shared && echo $requires)
2687
Conflicts:
2688
Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2689
Libs.private: $(enabled shared && echo $libs)
2690
Cflags: -I\${includedir}
2691
EOF
2692
cat <<EOF > $name/$name-uninstalled.pc
2693
prefix=
2694
exec_prefix=
2695
libdir=\${pcfiledir}
2696
includedir=${source_path}
2697

    
2698
Name: $name
2699
Description: $comment
2700
Version: $version
2701
Requires: $requires
2702
Conflicts:
2703
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2704
Cflags: -I\${includedir}
2705
EOF
2706
}
2707

    
2708
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2709
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2710
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2711
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2712
enabled avfilter &&
2713
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2714
enabled postproc &&
2715
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2716
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"