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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)"
206
  echo "  --enable-powerpc-perf    enable performance report on PPC"
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  echo "                           (requires enabling PMC)"
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  echo "  --disable-altivec        disable AltiVec optimizations"
209
  echo "  --disable-amd3dnow       disable 3DNow! optimizations"
210
  echo "  --disable-amd3dnowext    disable 3DNow! extended optimizations"
211
  echo "  --disable-mmx            disable MMX optimizations"
212
  echo "  --disable-mmx2           disable MMX2 optimizations"
213
  echo "  --disable-sse            disable SSE optimizations"
214
  echo "  --disable-ssse3          disable SSSE3 optimizations"
215
  echo "  --disable-armv5te        disable armv5te optimizations"
216
  echo "  --disable-armv6          disable armv6 optimizations"
217
  echo "  --disable-armv6t2        disable armv6t2 optimizations"
218
  echo "  --disable-armvfp         disable ARM VFP optimizations"
219
  echo "  --disable-iwmmxt         disable iwmmxt optimizations"
220
  echo "  --disable-mmi            disable MMI optimizations"
221
  echo "  --disable-neon           disable neon optimizations"
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  echo "  --disable-vis            disable VIS optimizations"
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  echo "  --disable-yasm           disable use of yasm assembler"
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  echo
225
  echo "Developer options (useful when working on FFmpeg itself):"
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  echo "  --disable-debug          disable debugging symbols"
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  echo "  --enable-debug=LEVEL     set the debug level [$debuglevel]"
228
  echo "  --enable-gprof           enable profiling with gprof [$gprof]"
229
  echo "  --disable-optimizations  disable compiler optimizations"
230
  echo "  --enable-extra-warnings  enable more compiler warnings"
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  echo "  --disable-stripping      disable stripping of executables and shared libraries"
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  echo ""
233
  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
244
    log END $1
245
}
246

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
1024
CMDLINE_APPEND="
1025
    extra_cflags
1026
"
1027

    
1028
# code dependency declarations
1029

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

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

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

    
1144
# parsers
1145
h264_parser_select="golomb"
1146

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

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

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

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

    
1223
# filters
1224
movie_filter_deps="avfilter_lavf"
1225

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

    
1231

    
1232
# default parameters
1233

    
1234
logfile="config.err"
1235

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

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

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

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

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

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

    
1293
CC_O='-o $@'
1294

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

    
1298
target_path='.'
1299

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
1482
unset -f mktemp
1483

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

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

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

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

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

    
1567
add_cflags $extra_cflags
1568
add_asflags $extra_cflags
1569

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

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

    
1660
add_cflags $cpuflags
1661
add_asflags $cpuflags
1662

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

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

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

    
1765
enable $arch $subarch
1766

    
1767
# OS specific
1768
case $target_os in
1769
    beos|haiku|zeta)
1770
        prefix_default="$HOME/config"
1771
        # helps building libavcodec
1772
        add_cppflags -DPIC
1773
        add_cflags -fomit-frame-pointer
1774
        # 3 gcc releases known for BeOS, each with ugly bugs
1775
        gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1776
        case "$gcc_version" in
1777
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1778
            disable mmx
1779
            ;;
1780
          *20010315*) echo "BeBits gcc"
1781
            add_cflags -fno-expensive-optimizations
1782
            ;;
1783
        esac
1784
        SHFLAGS=-nostart
1785
        # enable BeOS things
1786
        enable audio_beos
1787
        # no need for libm, but the inet stuff
1788
        # Check for BONE
1789
        # XXX: actually should check for NOT net_server
1790
        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1791
            network_extralibs="-lbind -lsocket"
1792
        else
1793
            enable beos_netserver
1794
            network_extralibs="-lnet"
1795
        fi ;;
1796
    sunos)
1797
        FFSERVERLDFLAGS=""
1798
        SHFLAGS='-shared -Wl,-h,$$(@F)'
1799
        network_extralibs="-lsocket -lnsl"
1800
        add_cppflags -D__EXTENSIONS__
1801
        ;;
1802
    netbsd)
1803
        oss_indev_extralibs="-lossaudio"
1804
        oss_outdev_extralibs="-lossaudio"
1805
        ;;
1806
    openbsd)
1807
        enable malloc_aligned
1808
        LIBOBJFLAGS='$(PIC)'
1809
        SHFLAGS='-shared'
1810
        oss_indev_extralibs="-lossaudio"
1811
        oss_outdev_extralibs="-lossaudio"
1812
        ;;
1813
    freebsd|dragonfly)
1814
        enable malloc_aligned
1815
        ;;
1816
    bsd/os)
1817
        osextralibs="-lpoll -lgnugetopt"
1818
        strip="strip -d"
1819
        ;;
1820
    darwin)
1821
        enable malloc_aligned
1822
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1823
        strip="strip -x"
1824
        FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1825
        SLIBSUF=".dylib"
1826
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1827
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1828
        FFSERVERLDFLAGS=-Wl,-bind_at_load
1829
        objformat="macho"
1830
        enabled x86_64 && objformat="macho64"
1831
        enabled shared || check_cflags -mdynamic-no-pic
1832
        ;;
1833
    mingw32*)
1834
        target_os=mingw32
1835
        LIBTARGET=i386
1836
        if enabled x86_64; then
1837
            enable malloc_aligned
1838
            LIBTARGET=x64
1839
        elif enabled arm; then
1840
            LIBTARGET=arm
1841
        fi
1842
        shlibdir_default="$bindir_default"
1843
        disable ffserver
1844
        SLIBPREF=""
1845
        SLIBSUF=".dll"
1846
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1847
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1848
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1849
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1850
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
1851
            install -d "$(LIBDIR)"; \
1852
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
1853
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1854
        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'
1855
        objformat="win32"
1856
        enable dos_paths
1857
        check_cflags -fno-common
1858
        if ! enabled x86_64; then
1859
            check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1860
                die "ERROR: MinGW runtime version must be >= 3.15."
1861
            enabled_any avisynth vfwcap_indev &&
1862
                { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1863
                  die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
1864
            fi
1865
        ;;
1866
    cygwin*)
1867
        target_os=cygwin
1868
        shlibdir_default="$bindir_default"
1869
        SLIBPREF="cyg"
1870
        SLIBSUF=".dll"
1871
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1872
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1873
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
1874
        objformat="win32"
1875
        enable dos_paths
1876
        check_cflags -fno-common
1877
        ;;
1878
    *-dos|freedos|opendos)
1879
        disable ffplay ffserver
1880
        disable $INDEV_LIST $OUTDEV_LIST
1881
        network_extralibs="-lsocket"
1882
        objformat="coff"
1883
        enable dos_paths
1884
        ;;
1885
    linux)
1886
        enable dv1394
1887
        ;;
1888
    irix*)
1889
        target_os=irix
1890
        ranlib="echo ignoring ranlib"
1891
        ;;
1892
    os/2*)
1893
        strip="lxlite"
1894
        ln_s="cp -f"
1895
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1896
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1897
        FFSERVERLDFLAGS=""
1898
        LIBSUF="_s.a"
1899
        SLIBPREF=""
1900
        SLIBSUF=".dll"
1901
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1902
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1903
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1904
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1905
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1906
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1907
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1908
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1909
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1910
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1911
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1912
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1913
        enable dos_paths
1914
        ;;
1915
    gnu/kfreebsd)
1916
        ;;
1917
    gnu)
1918
        ;;
1919

    
1920
    *)
1921
        die "Unknown OS '$target_os'."
1922
        ;;
1923
esac
1924

    
1925
set_default $PATHS_LIST
1926

    
1927
add_extralibs $osextralibs
1928

    
1929
# Combine FFLDFLAGS and the LDFLAGS environment variable.
1930
LDFLAGS="$FFLDFLAGS $LDFLAGS"
1931

    
1932
# we need to build at least one lib type
1933
if ! enabled_any static shared; then
1934
    cat <<EOF
1935
At least one library type must be built.
1936
Specify --enable-static to build the static libraries or --enable-shared to
1937
build the shared libraries as well. To only build the shared libraries specify
1938
--disable-static in addition to --enable-shared.
1939
EOF
1940
    exit 1;
1941
fi
1942

    
1943
disabled static && LIBNAME=""
1944

    
1945
if enabled_any libfaad libfaadbin ; then
1946
    if check_header faad.h; then
1947
        check_cc <<EOF
1948
#include <faad.h>
1949
#ifndef FAAD2_VERSION
1950
ok faad1
1951
#endif
1952
int main(void) { return 0; }
1953
EOF
1954
        test $? = 0 && enable libfaad2
1955
    else
1956
        die "FAAD test failed."
1957
    fi
1958
fi
1959

    
1960

    
1961
die_license_disabled() {
1962
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
1963
}
1964

    
1965
die_license_disabled gpl libfaad2
1966
die_license_disabled gpl libx264
1967
die_license_disabled gpl libxvid
1968
die_license_disabled gpl postproc
1969
die_license_disabled gpl x11grab
1970

    
1971
die_license_disabled nonfree libfaac
1972

    
1973
die_license_disabled version3 libopencore_amrnb
1974
die_license_disabled version3 libopencore_amrwb
1975

    
1976
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
1977

    
1978
check_deps $ARCH_EXT_LIST
1979

    
1980
disabled optimizations || check_cflags -fomit-frame-pointer
1981

    
1982
check_cc <<EOF || die "Symbol mangling check failed."
1983
int ff_extern;
1984
EOF
1985
sym=$($nm -P -g $TMPO | grep ff_extern)
1986
extern_prefix=${sym%%ff_extern*}
1987

    
1988
check_cc <<EOF && enable inline_asm
1989
void foo(void) { __asm__ volatile ("" ::); }
1990
EOF
1991

    
1992
_restrict=
1993
for restrict_keyword in restrict __restrict__ __restrict; do
1994
    check_cc <<EOF && _restrict=$restrict_keyword && break
1995
void foo(char * $restrict_keyword p);
1996
EOF
1997
done
1998

    
1999
check_cc <<EOF && enable attribute_packed
2000
struct { int x; } __attribute__((packed)) x;
2001
EOF
2002

    
2003
check_cc <<EOF || die "endian test failed"
2004
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2005
EOF
2006
od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2007

    
2008
if enabled arm; then
2009

    
2010
    check_ld <<EOF && enable vfp_args
2011
__asm__ (".eabi_attribute 28, 1");
2012
int main(void) { return 0; }
2013
EOF
2014

    
2015
    # We have to check if pld is a nop and disable it.
2016
    check_asm pld '"pld [r0]"'
2017

    
2018
    enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2019
    enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2020
    enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2021
    enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2022
    enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2023
    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2024

    
2025
elif enabled mips; then
2026

    
2027
    check_asm loongson '"dmult.g $1, $2, $3"'
2028
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2029

    
2030
elif enabled ppc; then
2031

    
2032
    check_asm dcbzl     '"dcbzl 0, 1"'
2033
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2034
    check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
2035

    
2036
    # AltiVec flags: The FSF version of GCC differs from the Apple version
2037
    if enabled altivec; then
2038
        check_cflags -maltivec -mabi=altivec &&
2039
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2040
        check_cflags -faltivec
2041

    
2042
        # check if our compiler supports Motorola AltiVec C API
2043
        check_cc <<EOF || disable altivec
2044
$inc_altivec_h
2045
int main(void) {
2046
    vector signed int v1, v2, v3;
2047
    v1 = vec_add(v2,v3);
2048
    return 0;
2049
}
2050
EOF
2051

    
2052
        # check if our compiler supports braces for vector declarations
2053
        check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2054
$inc_altivec_h
2055
int main (void) { (vector int) {1}; return 0; }
2056
EOF
2057
    fi
2058

    
2059
elif enabled sparc; then
2060

    
2061
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2062
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2063

    
2064
elif enabled x86; then
2065

    
2066
    # check whether EBP is available on x86
2067
    # As 'i' is stored on the stack, this program will crash
2068
    # if the base pointer is used to access it because the
2069
    # base pointer is cleared in the inline assembly code.
2070
    check_exec_crash <<EOF && enable ebp_available
2071
    volatile int i=0;
2072
    __asm__ volatile (
2073
        "xorl %%ebp, %%ebp"
2074
    ::: "%ebp");
2075
    return i;
2076
EOF
2077

    
2078
    # check wether EBX is available on x86
2079
    check_asm ebx_available '"":::"%ebx"'
2080

    
2081
    # check whether more than 10 operands are supported
2082
    check_cc <<EOF && enable ten_operands
2083
int main(void) {
2084
    int x=0;
2085
    __asm__ volatile(
2086
        ""
2087
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2088
    );
2089
    return 0;
2090
}
2091
EOF
2092

    
2093
    # check whether binutils is new enough to compile SSSE3/MMX2
2094
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2095
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2096

    
2097
    check_asm bswap '"bswap %%eax" ::: "%eax"'
2098

    
2099
    YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2100
    enabled     x86_64        && append YASMFLAGS "-m amd64"
2101
    enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
2102
    case "$objformat" in
2103
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2104
        macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
2105
        *)                    append YASMFLAGS "-DPREFIX"  ;;
2106
    esac
2107
    disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2108

    
2109
fi
2110

    
2111
if check_func dlopen; then
2112
    ldl=
2113
elif check_func dlopen -ldl; then
2114
    ldl=-ldl
2115
fi
2116

    
2117
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2118
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2119

    
2120
check_func  fork
2121
check_func  gethrtime
2122
check_func  getrusage
2123
check_func  inet_aton $network_extralibs
2124
check_func  isatty
2125
check_func  memalign
2126
check_func  mkstemp
2127
check_func  posix_memalign
2128
check_func_headers io.h setmode
2129
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2130
check_func_headers windows.h GetProcessTimes
2131
check_func_headers windows.h VirtualAlloc
2132

    
2133
check_header conio.h
2134
check_header dlfcn.h
2135
check_header malloc.h
2136
check_header poll.h
2137
check_header sys/mman.h
2138
check_header sys/resource.h
2139
check_header sys/select.h
2140
check_header termios.h
2141
check_header vdpau/vdpau.h
2142
check_header vdpau/vdpau_x11.h
2143
check_header X11/extensions/XvMClib.h
2144

    
2145
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2146
     enabled_any $need_memalign ; then
2147
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2148
fi
2149

    
2150
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2151
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2152

    
2153
# check for some common methods of building with pthread support
2154
# do this before the optional library checks as some of them require pthreads
2155
if enabled pthreads; then
2156
    if check_func pthread_create; then
2157
        :
2158
    elif check_func pthread_create -pthread; then
2159
        add_cflags -pthread
2160
        add_extralibs -pthread
2161
    elif check_func pthread_create -pthreads; then
2162
        add_cflags -pthreads
2163
        add_extralibs -pthreads
2164
    elif check_func pthread_create -lpthreadGC2; then
2165
        add_extralibs -lpthreadGC2
2166
    elif ! check_lib pthread.h pthread_create -lpthread; then
2167
        die "ERROR: can't find pthreads library"
2168
    fi
2169
fi
2170

    
2171
for thread in $THREADS_LIST; do
2172
    if enabled $thread; then
2173
        test -n "$thread_type" &&
2174
            die "ERROR: Only one thread type must be selected." ||
2175
            thread_type="$thread"
2176
    fi
2177
done
2178

    
2179
check_lib math.h sin -lm
2180
check_lib va/va.h vaInitialize -lva
2181

    
2182
check_func llrint
2183
check_func log2
2184
check_func lrint
2185
check_func lrintf
2186
check_func round
2187
check_func roundf
2188
check_func truncf
2189

    
2190
# these are off by default, so fail if requested and not available
2191
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2192
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2193
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2194
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
2195
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2196
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2197
enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
2198
enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2199
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2200
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2201
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2202
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2203
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2204
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2205
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2206
enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
2207
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2208
enabled libx264    && require  libx264 x264.h x264_encoder_open -lx264 -lm &&
2209
                      { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2210
                        die "ERROR: libx264 version must be >= 0.65."; }
2211
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2212
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2213

    
2214
# libdc1394 check
2215
if enabled libdc1394; then
2216
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2217
        enable libdc1394_2; } ||
2218
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2219
        enable libdc1394_1; } ||
2220
    die "ERROR: No version of libdc1394 found "
2221
fi
2222

    
2223
disable sdl_too_old
2224
disable sdl
2225
SDL_CONFIG="${cross_prefix}sdl-config"
2226
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2227
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2228
    temp_cflags $sdl_cflags
2229
    temp_extralibs $("${SDL_CONFIG}" --libs)
2230
    if check_lib2 SDL.h SDL_Init; then
2231
        _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2232
        if test "$_sdlversion" -lt 121 ; then
2233
            enable sdl_too_old
2234
        else
2235
            enable sdl
2236
            check_cc $sdl_cflags <<EOF && enable sdl_video_size
2237
#include <SDL.h>
2238
int main(int argc, char **argv){
2239
    const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2240
    int w = vi->current_w;
2241
    return 0;
2242
}
2243
EOF
2244
        fi
2245
    fi
2246
    restore_flags
2247
fi
2248

    
2249
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2250

    
2251
if enabled network; then
2252
    check_type "sys/types.h sys/socket.h" socklen_t
2253
    # Prefer arpa/inet.h over winsock2
2254
    if check_header arpa/inet.h ; then
2255
        check_func closesocket
2256
    elif check_header winsock2.h ; then
2257
        check_func_headers winsock2.h closesocket -lws2 && \
2258
            network_extralibs="-lws2" || \
2259
        { check_func_headers winsock2.h closesocket -lws2_32 && \
2260
            network_extralibs="-lws2_32"; }
2261
        check_type ws2tcpip.h socklen_t
2262
    else
2263
        disable network
2264
    fi
2265
fi
2266

    
2267
enabled_all network ipv6 && check_ld <<EOF || disable ipv6
2268
#include <sys/types.h>
2269
#include <sys/socket.h>
2270
#include <netinet/in.h>
2271
#include <netdb.h>
2272
int main(void) {
2273
    struct sockaddr_storage saddr;
2274
    struct ipv6_mreq mreq6;
2275
    getaddrinfo(0,0,0,0);
2276
    getnameinfo(0,0,0,0,0,0,0);
2277
    IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2278
}
2279
EOF
2280

    
2281
check_header linux/videodev.h
2282
check_header linux/videodev2.h
2283
check_header sys/videoio.h
2284

    
2285
check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2286

    
2287
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2288
{ check_header dev/bktr/ioctl_meteor.h &&
2289
  check_header dev/bktr/ioctl_bt848.h; } ||
2290
{ check_header machine/ioctl_meteor.h &&
2291
  check_header machine/ioctl_bt848.h; } ||
2292
{ check_header dev/video/meteor/ioctl_meteor.h &&
2293
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2294
check_header dev/ic/bt8xx.h
2295

    
2296
check_header sys/soundcard.h
2297
check_header soundcard.h
2298

    
2299
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2300

    
2301
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2302

    
2303
enabled x11grab                         &&
2304
check_header X11/Xlib.h                 &&
2305
check_header X11/extensions/XShm.h      &&
2306
check_func XOpenDisplay -lX11           &&
2307
check_func XShmCreateImage -lX11 -lXext
2308

    
2309
enabled debug && add_cflags -g"$debuglevel"
2310

    
2311
# add some useful compiler flags if supported
2312
check_cflags -Wdeclaration-after-statement
2313
check_cflags -Wall
2314
check_cflags -Wno-switch
2315
check_cflags -Wdisabled-optimization
2316
check_cflags -Wpointer-arith
2317
check_cflags -Wredundant-decls
2318
check_cflags -Wno-pointer-sign
2319
check_cflags -Wcast-qual
2320
check_cflags -Wwrite-strings
2321
check_cflags -Wtype-limits
2322
check_cflags -Wundef
2323
enabled extra_warnings && check_cflags -Winline
2324

    
2325
# add some linker flags
2326
check_ldflags -Wl,--warn-common
2327
check_ldflags -Wl,--as-needed
2328
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'
2329
check_ldflags -Wl,-Bsymbolic
2330

    
2331
if enabled small; then
2332
    check_cflags -Os            # not all compilers support -Os
2333
    optimizations="small"
2334
elif enabled optimizations; then
2335
    if enabled xlc; then
2336
        add_cflags  -O5
2337
        add_ldflags -O5
2338
    elif enabled ccc; then
2339
        add_cflags -fast
2340
    else
2341
        add_cflags -O3
2342
    fi
2343
fi
2344
check_cflags -fno-math-errno
2345
check_cflags -fno-signed-zeros
2346

    
2347
if enabled icc; then
2348
    # Just warnings, no remarks
2349
    check_cflags -w1
2350
    # -wd: Disable following warnings
2351
    # 144, 167, 556: -Wno-pointer-sign
2352
    # 10006: ignoring unknown option -fno-signed-zeros
2353
    # 10156: ignoring option '-W'; no argument required
2354
    check_cflags -wd144,167,556,10006,10156
2355
    # 11030: Warning unknown option --as-needed
2356
    # 10156: ignoring option '-export'; no argument required
2357
    check_ldflags -wd10156,11030
2358
    # Allow to compile with optimizations
2359
    check_ldflags -march=$cpu
2360
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2361
    enable ebp_available
2362
elif enabled ccc; then
2363
    # disable some annoying warnings
2364
    add_cflags -msg_disable cvtu32to64
2365
    add_cflags -msg_disable embedcomment
2366
    add_cflags -msg_disable needconstext
2367
    add_cflags -msg_disable nomainieee
2368
    add_cflags -msg_disable ptrmismatch1
2369
    add_cflags -msg_disable unreachcode
2370
elif enabled gcc; then
2371
    check_cflags -fno-tree-vectorize
2372
fi
2373

    
2374
# PIC flags for shared library objects where they are needed
2375
if enabled shared; then
2376
    # LIBOBJFLAGS may have already been set in the OS configuration
2377
    if test -z "$LIBOBJFLAGS" ; then
2378
        case "${subarch-$arch}" in
2379
            x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2380
        esac
2381
    fi
2382
fi
2383

    
2384
if enabled gprof; then
2385
    add_cflags  -p
2386
    add_ldflags -p
2387
fi
2388

    
2389
# Find out if the .align argument is a power of two or not.
2390
check_asm asmalign_pot '".align 3"'
2391

    
2392
enabled_any $DECODER_LIST      && enable decoders
2393
enabled_any $ENCODER_LIST      && enable encoders
2394
enabled_any $HWACCEL_LIST      && enable hwaccels
2395
enabled_any $BSF_LIST          && enable bsfs
2396
enabled_any $DEMUXER_LIST      && enable demuxers
2397
enabled_any $MUXER_LIST        && enable muxers
2398
enabled_any $FILTER_LIST       && enable filters
2399
enabled_any $INDEV_LIST        && enable indevs
2400
enabled_any $OUTDEV_LIST       && enable outdevs
2401
enabled_any $PROTOCOL_LIST     && enable protocols
2402

    
2403
enabled_any $THREADS_LIST      && enable threads
2404

    
2405
check_deps $CONFIG_LIST       \
2406
           $CONFIG_EXTRA      \
2407
           $HAVE_LIST         \
2408
           $DECODER_LIST      \
2409
           $ENCODER_LIST      \
2410
           $HWACCEL_LIST      \
2411
           $PARSER_LIST       \
2412
           $BSF_LIST          \
2413
           $DEMUXER_LIST      \
2414
           $MUXER_LIST        \
2415
           $FILTER_LIST       \
2416
           $INDEV_LIST        \
2417
           $OUTDEV_LIST       \
2418
           $PROTOCOL_LIST     \
2419

    
2420
echo "install prefix            $prefix"
2421
echo "source path               $source_path"
2422
echo "C compiler                $cc"
2423
echo ".align is power-of-two    $asmalign_pot"
2424
echo "ARCH                      $arch ($cpu)"
2425
if test "$build_suffix" != ""; then
2426
    echo "build suffix              $build_suffix"
2427
fi
2428
if test "$extra_version" != ""; then
2429
    echo "version string suffix     $extra_version"
2430
fi
2431
echo "big-endian                ${bigendian-no}"
2432
echo "runtime cpu detection     ${runtime_cpudetect-no}"
2433
if enabled x86; then
2434
    echo "yasm                      ${yasm-no}"
2435
    echo "MMX enabled               ${mmx-no}"
2436
    echo "MMX2 enabled              ${mmx2-no}"
2437
    echo "3DNow! enabled            ${amd3dnow-no}"
2438
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
2439
    echo "SSE enabled               ${sse-no}"
2440
    echo "SSSE3 enabled             ${ssse3-no}"
2441
    echo "CMOV enabled              ${cmov-no}"
2442
    echo "CMOV is fast              ${fast_cmov-no}"
2443
    echo "EBX available             ${ebx_available-no}"
2444
    echo "EBP available             ${ebp_available-no}"
2445
    echo "10 operands supported     ${ten_operands-no}"
2446
fi
2447
if enabled arm; then
2448
    echo "ARMv5TE enabled           ${armv5te-no}"
2449
    echo "ARMv6 enabled             ${armv6-no}"
2450
    echo "ARMv6T2 enabled           ${armv6t2-no}"
2451
    echo "ARM VFP enabled           ${armvfp-no}"
2452
    echo "IWMMXT enabled            ${iwmmxt-no}"
2453
    echo "NEON enabled              ${neon-no}"
2454
fi
2455
if enabled mips; then
2456
    echo "MMI enabled               ${mmi-no}"
2457
fi
2458
if enabled ppc; then
2459
    echo "AltiVec enabled           ${altivec-no}"
2460
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
2461
    echo "dcbzl available           ${dcbzl-no}"
2462
    echo "performance report        ${powerpc_perf-no}"
2463
fi
2464
if enabled sparc; then
2465
    echo "VIS enabled               ${vis-no}"
2466
fi
2467
echo "gprof enabled             ${gprof-no}"
2468
echo "debug symbols             ${debug-no}"
2469
echo "strip symbols             ${stripping-no}"
2470
echo "optimizations             ${optimizations-no}"
2471
echo "static                    ${static-no}"
2472
echo "shared                    ${shared-no}"
2473
echo "postprocessing support    ${postproc-no}"
2474
echo "new filter support        ${avfilter-no}"
2475
echo "filters using lavformat   ${avfilter_lavf-no}"
2476
echo "network support           ${network-no}"
2477
if enabled network; then
2478
    echo "IPv6 support              ${ipv6-no}"
2479
fi
2480
echo "threading support         ${thread_type-no}"
2481
echo "SDL support               ${sdl-no}"
2482
if enabled sdl_too_old; then
2483
    echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2484
fi
2485
echo "Sun medialib support      ${mlib-no}"
2486
echo "AVISynth enabled          ${avisynth-no}"
2487
echo "libdc1394 support         ${libdc1394-no}"
2488
echo "libdirac enabled          ${libdirac-no}"
2489
echo "libfaac enabled           ${libfaac-no}"
2490
echo "libfaad enabled           ${libfaad-no}"
2491
echo "libfaad dlopened          ${libfaadbin-no}"
2492
echo "libgsm enabled            ${libgsm-no}"
2493
echo "libmp3lame enabled        ${libmp3lame-no}"
2494
echo "libnut enabled            ${libnut-no}"
2495
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2496
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2497
echo "libopenjpeg enabled       ${libopenjpeg-no}"
2498
echo "libschroedinger enabled   ${libschroedinger-no}"
2499
echo "libspeex enabled          ${libspeex-no}"
2500
echo "libtheora enabled         ${libtheora-no}"
2501
echo "libvorbis enabled         ${libvorbis-no}"
2502
echo "libx264 enabled           ${libx264-no}"
2503
echo "libxvid enabled           ${libxvid-no}"
2504
echo "zlib enabled              ${zlib-no}"
2505
echo "bzlib enabled             ${bzlib-no}"
2506
echo
2507

    
2508
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2509
    echo "Enabled ${type}s:"
2510
    eval list=\$$(toupper $type)_LIST
2511
    for part in $list; do
2512
        enabled $part && echo ${part%_*}
2513
    done | sort | pr -3 -t
2514
    echo
2515
done
2516

    
2517
license="LGPL version 2.1 or later"
2518
if enabled nonfree; then
2519
    license="nonfree and unredistributable"
2520
elif enabled gplv3; then
2521
    license="GPL version 3 or later"
2522
elif enabled lgplv3; then
2523
    license="LGPL version 3 or later"
2524
elif enabled gpl; then
2525
    license="GPL version 2 or later"
2526
fi
2527

    
2528
echo "License: $license"
2529

    
2530
echo "Creating config.mak and config.h..."
2531

    
2532
echo "# Automatically generated by configure - do not modify!" > config.mak
2533
echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2534
echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2535
echo "#define FFMPEG_CONFIG_H" >> $TMPH
2536
echo "#define FFMPEG_CONFIGURATION \"$(c_escape $FFMPEG_CONFIGURATION)\"" >> $TMPH
2537
echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2538

    
2539
echo "ifndef FFMPEG_CONFIG_MAK" >> config.mak
2540
echo "FFMPEG_CONFIG_MAK=1" >> config.mak
2541

    
2542
echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2543
echo "prefix=$prefix" >> config.mak
2544
echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2545
echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2546
echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2547
echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2548
echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2549
echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2550
echo "SRC_PATH=\"$source_path\"" >> config.mak
2551
echo "SRC_PATH_BARE=$source_path" >> config.mak
2552
echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2553
echo "CC=$cc" >> config.mak
2554
echo "AS=$as" >> config.mak
2555
echo "LD=$ld" >> config.mak
2556
echo "DEPCC=$dep_cc" >> config.mak
2557
echo "YASM=$yasmexe" >> config.mak
2558
echo "AR=$ar" >> config.mak
2559
echo "RANLIB=$ranlib" >> config.mak
2560
echo "LN_S=$ln_s" >> config.mak
2561
enabled stripping &&
2562
    echo "STRIP=$strip" >> config.mak ||
2563
    echo "STRIP=echo ignoring strip" >> config.mak
2564

    
2565
echo "CPPFLAGS=$CPPFLAGS" >> config.mak
2566
echo "CFLAGS=$CFLAGS" >> config.mak
2567
echo "ASFLAGS=$ASFLAGS" >> config.mak
2568
echo "CC_O=$CC_O" >> config.mak
2569
echo "LDFLAGS=$LDFLAGS" >> config.mak
2570
echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2571
echo "SHFLAGS=$SHFLAGS" >> config.mak
2572
echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2573
echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2574
echo "BUILD_STATIC=$static" >> config.mak
2575
echo "BUILDSUF=$build_suffix" >> config.mak
2576
echo "FULLNAME=$FULLNAME" >> config.mak
2577
echo "LIBPREF=$LIBPREF" >> config.mak
2578
echo "LIBSUF=$LIBSUF" >> config.mak
2579
echo "LIBNAME=$LIBNAME" >> config.mak
2580
echo "SLIBPREF=$SLIBPREF" >> config.mak
2581
echo "SLIBSUF=$SLIBSUF" >> config.mak
2582
echo "EXESUF=$EXESUF" >> config.mak
2583
echo "EXTRA_VERSION=$extra_version" >> config.mak
2584
echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2585
echo "DEPFLAGS=$DEPFLAGS" >> config.mak
2586
echo "HOSTCC=$host_cc" >> config.mak
2587
echo "HOSTCFLAGS=$host_cflags" >> config.mak
2588
echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2589
echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2590
echo "HOSTLIBS=$host_libs" >> config.mak
2591
echo "TARGET_EXEC=$target_exec" >> config.mak
2592
echo "TARGET_PATH=$target_path" >> config.mak
2593

    
2594
if enabled bigendian; then
2595
    echo "WORDS_BIGENDIAN=yes" >> config.mak
2596
    echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2597
fi
2598

    
2599
if enabled sdl; then
2600
    echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2601
    echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
2602
fi
2603
if enabled texi2html; then
2604
    echo "BUILD_DOC=yes" >> config.mak
2605
fi
2606

    
2607
get_version(){
2608
    name=$1
2609
    file=$source_path/$2
2610
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2611
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2612
    lcname=$(tolower $name)
2613
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2614
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2615
}
2616

    
2617
get_version LIBSWSCALE  libswscale/swscale.h
2618
get_version LIBPOSTPROC libpostproc/postprocess.h
2619
get_version LIBAVCODEC  libavcodec/avcodec.h
2620
get_version LIBAVDEVICE libavdevice/avdevice.h
2621
get_version LIBAVFORMAT libavformat/avformat.h
2622
get_version LIBAVUTIL   libavutil/avutil.h
2623
get_version LIBAVFILTER libavfilter/avfilter.h
2624

    
2625
if enabled shared; then
2626
    echo "BUILD_SHARED=yes" >> config.mak
2627
    echo "PIC=-fPIC -DPIC" >> config.mak
2628
    echo "LIBTARGET=${LIBTARGET}" >> config.mak
2629
    echo "SLIBNAME=${SLIBNAME}" >> config.mak
2630
    echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2631
    echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2632
    echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2633
    echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2634
    echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2635
    echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2636
fi
2637
echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2638
echo "EXTRALIBS=$extralibs" >> config.mak
2639

    
2640
echo "ARCH=$arch" >> config.mak
2641

    
2642
print_config ARCH_   $TMPH config.mak $ARCH_LIST
2643
print_config HAVE_   $TMPH config.mak $HAVE_LIST
2644
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2645
                                      $CONFIG_EXTRA      \
2646
                                      $DECODER_LIST      \
2647
                                      $ENCODER_LIST      \
2648
                                      $HWACCEL_LIST      \
2649
                                      $PARSER_LIST       \
2650
                                      $BSF_LIST          \
2651
                                      $DEMUXER_LIST      \
2652
                                      $MUXER_LIST        \
2653
                                      $FILTER_LIST       \
2654
                                      $PROTOCOL_LIST     \
2655
                                      $INDEV_LIST        \
2656
                                      $OUTDEV_LIST       \
2657

    
2658
echo "#define restrict $_restrict" >> $TMPH
2659

    
2660
if enabled small; then
2661
    echo "#define av_always_inline"  >> $TMPH
2662
fi
2663

    
2664

    
2665
# Apparently it's not possible to portably echo a backslash.
2666
enabled asmalign_pot &&
2667
    printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2668
    printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2669

    
2670
echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2671

    
2672
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2673
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
2674

    
2675
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2676
cmp -s $TMPH config.h &&
2677
    echo "config.h is unchanged" ||
2678
    mv -f $TMPH config.h
2679

    
2680
# build tree in object directory if source path is different from current one
2681
if enabled source_path_used; then
2682
    DIRS="\
2683
        doc               \
2684
        libavcodec        \
2685
        libavcodec/alpha  \
2686
        libavcodec/arm    \
2687
        libavcodec/bfin   \
2688
        libavcodec/mlib   \
2689
        libavcodec/ppc    \
2690
        libavcodec/sh4    \
2691
        libavcodec/sparc  \
2692
        libavcodec/x86    \
2693
        libavdevice       \
2694
        libavfilter       \
2695
        libavformat       \
2696
        libavutil         \
2697
        libpostproc       \
2698
        libswscale        \
2699
        libswscale/bfin   \
2700
        libswscale/mlib   \
2701
        libswscale/ppc    \
2702
        libswscale/sparc  \
2703
        libswscale/x86    \
2704
        tests             \
2705
        tools             \
2706
        "
2707
    FILES="\
2708
        Makefile             \
2709
        common.mak           \
2710
        subdir.mak           \
2711
        doc/texi2pod.pl      \
2712
        libavcodec/Makefile  \
2713
        libavdevice/Makefile \
2714
        libavfilter/Makefile \
2715
        libavformat/Makefile \
2716
        libavutil/Makefile   \
2717
        libpostproc/Makefile \
2718
        libswscale/Makefile  \
2719
        "
2720
    for dir in $DIRS ; do
2721
        mkdir -p $dir
2722
    done
2723
    for f in $FILES ; do
2724
        $ln_s "$source_path/$f" $f
2725
    done
2726
fi
2727

    
2728

    
2729
# build pkg-config files
2730

    
2731
pkgconfig_generate(){
2732
name=$1
2733
shortname=${name#lib}${build_suffix}
2734
comment=$2
2735
version=$3
2736
libs=$4
2737
requires=$5
2738
cat <<EOF > $name/$name.pc
2739
prefix=$prefix
2740
exec_prefix=\${prefix}
2741
libdir=$libdir
2742
includedir=$incdir
2743

    
2744
Name: $name
2745
Description: $comment
2746
Version: $version
2747
Requires: $(disabled shared && echo $requires)
2748
Requires.private: $(enabled shared && echo $requires)
2749
Conflicts:
2750
Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2751
Libs.private: $(enabled shared && echo $libs)
2752
Cflags: -I\${includedir}
2753
EOF
2754
cat <<EOF > $name/$name-uninstalled.pc
2755
prefix=
2756
exec_prefix=
2757
libdir=\${pcfiledir}
2758
includedir=${source_path}
2759

    
2760
Name: $name
2761
Description: $comment
2762
Version: $version
2763
Requires: $requires
2764
Conflicts:
2765
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2766
Cflags: -I\${includedir}
2767
EOF
2768
}
2769

    
2770
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2771
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2772
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2773
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2774
enabled avfilter &&
2775
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2776
enabled postproc &&
2777
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2778
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"