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#!/bin/sh
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#
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# FFmpeg configure script
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#
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# Copyright (c) 2000-2002 Fabrice Bellard
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# Copyright (c) 2005-2008 Diego Biurrun
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# Copyright (c) 2005-2008 Mans Rullgard
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#
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# Prevent locale nonsense from breaking basic text processing.
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LC_ALL=C
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export LC_ALL
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# make sure we are running under a compatible shell
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# try to make this part work with most shells
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try_exec(){
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    echo "Trying shell $1"
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    type "$1" > /dev/null 2>&1 && exec "$@"
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}
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unset foo
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(: ${foo%%bar}) 2> /dev/null
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E1="$?"
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(: ${foo?}) 2> /dev/null
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E2="$?"
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if test "$E1" != 0 || test "$E2" = 0; then
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    echo "Broken shell detected.  Trying alternatives."
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    export FF_CONF_EXEC
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    if test "0$FF_CONF_EXEC" -lt 1; then
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        FF_CONF_EXEC=1
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        try_exec bash "$0" "$@"
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    fi
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    if test "0$FF_CONF_EXEC" -lt 2; then
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        FF_CONF_EXEC=2
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        try_exec ksh "$0" "$@"
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    fi
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    if test "0$FF_CONF_EXEC" -lt 3; then
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        FF_CONF_EXEC=3
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        try_exec /usr/xpg4/bin/sh "$0" "$@"
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    fi
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    echo "No compatible shell script interpreter found."
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    echo "This configure script requires a POSIX-compatible shell"
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    echo "such as bash or ksh."
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    echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
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    echo "Instead, install a working POSIX-compatible shell."
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    echo "Disabling this configure test will create a broken FFmpeg."
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    if test "$BASH_VERSION" = '2.04.0(1)-release'; then
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        echo "This bash version ($BASH_VERSION) is broken on your platform."
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        echo "Upgrade to a later version if available."
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    fi
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    exit 1
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fi
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show_help(){
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  echo "Usage: configure [options]"
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  echo "Options: [defaults in brackets after descriptions]"
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  echo
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  echo "Standard options:"
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  echo "  --help                   print this message"
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  echo "  --logfile=FILE           log tests and output to FILE [config.err]"
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  echo "  --disable-logging        do not log configure debug information"
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  echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
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  echo "  --bindir=DIR             install binaries in DIR [PREFIX/bin]"
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  echo "  --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]"
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  echo "  --libdir=DIR             install libs in DIR [PREFIX/lib]"
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  echo "  --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]"
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  echo "  --incdir=DIR             install includes in DIR [PREFIX/include]"
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  echo "  --mandir=DIR             install man page in DIR [PREFIX/share/man]"
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  echo
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  echo "Configuration options:"
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  echo "  --disable-static         do not build static libraries [no]"
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  echo "  --enable-shared          build shared libraries [no]"
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  echo "  --enable-gpl             allow use of GPL code, the resulting libs"
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  echo "                           and binaries will be under GPL [no]"
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  echo "  --enable-version3        upgrade (L)GPL to version 3 [no]"
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  echo "  --enable-nonfree         allow use of nonfree code, the resulting libs"
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  echo "                           and binaries will be unredistributable [no]"
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  echo "  --disable-ffmpeg         disable ffmpeg build"
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  echo "  --disable-ffplay         disable ffplay build"
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  echo "  --disable-ffserver       disable ffserver build"
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  echo "  --enable-postproc        enable GPLed postprocessing support [no]"
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  echo "  --enable-avfilter        video filter support [no]"
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  echo "  --enable-avfilter-lavf   video filters dependent on avformat [no]"
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  echo "  --enable-beosthreads     use BeOS threads [no]"
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  echo "  --enable-os2threads      use OS/2 threads [no]"
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  echo "  --enable-pthreads        use pthreads [no]"
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  echo "  --enable-w32threads      use Win32 threads [no]"
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  echo "  --enable-x11grab         enable X11 grabbing [no]"
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  echo "  --disable-network        disable network support [no]"
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  echo "  --disable-ipv6           disable IPv6 support [no]"
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  echo "  --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]"
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  echo "  --enable-gray            enable full grayscale support (slower color)"
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  echo "  --disable-swscale-alpha  disable alpha channel support in swscale"
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  echo "  --disable-fastdiv        disable table-based division"
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  echo "  --enable-small           optimize for size instead of speed"
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  echo "  --disable-aandct         disable AAN DCT code"
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  echo "  --disable-fft            disable FFT code"
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  echo "  --disable-golomb         disable Golomb code"
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  echo "  --disable-mdct           disable MDCT code"
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  echo "  --disable-rdft           disable RDFT code"
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  echo "  --disable-vaapi          disable VAAPI code"
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  echo "  --disable-vdpau          disable VDPAU code"
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  echo "  --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)"
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  echo "  --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
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  echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
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  echo "  --enable-beos-netserver  enable BeOS netserver"
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  echo "  --disable-encoder=NAME   disable encoder NAME"
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  echo "  --enable-encoder=NAME    enable encoder NAME"
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  echo "  --disable-encoders       disable all encoders"
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  echo "  --disable-decoder=NAME   disable decoder NAME"
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  echo "  --enable-decoder=NAME    enable decoder NAME"
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  echo "  --disable-decoders       disable all decoders"
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  echo "  --disable-hwaccel=NAME   disable hwaccel NAME"
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  echo "  --enable-hwaccel=NAME    enable hwaccel NAME"
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  echo "  --disable-hwaccels       disable all hwaccels"
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  echo "  --disable-muxer=NAME     disable muxer NAME"
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  echo "  --enable-muxer=NAME      enable muxer NAME"
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  echo "  --disable-muxers         disable all muxers"
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  echo "  --disable-demuxer=NAME   disable demuxer NAME"
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  echo "  --enable-demuxer=NAME    enable demuxer NAME"
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  echo "  --disable-demuxers       disable all demuxers"
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  echo "  --enable-parser=NAME     enable parser NAME"
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  echo "  --disable-parser=NAME    disable parser NAME"
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  echo "  --disable-parsers        disable all parsers"
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  echo "  --enable-bsf=NAME        enable bitstream filter NAME"
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  echo "  --disable-bsf=NAME       disable bitstream filter NAME"
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  echo "  --disable-bsfs           disable all bitstream filters"
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  echo "  --enable-protocol=NAME   enable protocol NAME"
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  echo "  --disable-protocol=NAME  disable protocol NAME"
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  echo "  --disable-protocols      disable all protocols"
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  echo "  --disable-indev=NAME     disable input device NAME"
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  echo "  --disable-outdev=NAME    disable output device NAME"
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  echo "  --disable-indevs         disable input devices"
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  echo "  --disable-outdevs        disable output devices"
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  echo "  --disable-devices        disable all devices"
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  echo "  --enable-filter=NAME     enable filter NAME"
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  echo "  --disable-filter=NAME    disable filter NAME"
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  echo "  --disable-filters        disable all filters"
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  echo "  --list-decoders          show all available decoders"
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  echo "  --list-encoders          show all available encoders"
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  echo "  --list-hwaccels          show all available hardware accelerators"
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  echo "  --list-muxers            show all available muxers"
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  echo "  --list-demuxers          show all available demuxers"
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  echo "  --list-parsers           show all available parsers"
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  echo "  --list-protocols         show all available protocols"
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  echo "  --list-bsfs              show all available bitstream filters"
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  echo "  --list-indevs            show all available input devices"
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  echo "  --list-outdevs           show all available output devices"
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  echo "  --list-filters           show all available filters"
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  echo
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  echo "External library support:"
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  echo "  --enable-avisynth        enable reading of AVISynth script files [no]"
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  echo "  --enable-bzlib           enable bzlib [autodetect]"
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  echo "  --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]"
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  echo "  --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]"
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  echo "  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394"
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  echo "                           and libraw1394 [no]"
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  echo "  --enable-libdirac        enable Dirac support via libdirac [no]"
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  echo "  --enable-libfaac         enable FAAC support via libfaac [no]"
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  echo "  --enable-libfaad         enable FAAD support via libfaad [no]"
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  echo "  --enable-libfaadbin      open libfaad.so.0 at runtime [no]"
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  echo "  --enable-libgsm          enable GSM support via libgsm [no]"
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  echo "  --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]"
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  echo "  --enable-libnut          enable NUT (de)muxing via libnut,"
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  echo "                           native (de)muxer exists [no]"
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  echo "  --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]"
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  echo "  --enable-libschroedinger enable Dirac support via libschroedinger [no]"
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  echo "  --enable-libspeex        enable Speex decoding via libspeex [no]"
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  echo "  --enable-libtheora       enable Theora encoding via libtheora [no]"
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  echo "  --enable-libvorbis       enable Vorbis encoding via libvorbis,"
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  echo "                           native implementation exists [no]"
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  echo "  --enable-libx264         enable H.264 encoding via x264 [no]"
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  echo "  --enable-libxvid         enable Xvid encoding via xvidcore,"
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  echo "                           native MPEG-4/Xvid encoder exists [no]"
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  echo "  --enable-mlib            enable Sun medialib [no]"
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  echo "  --enable-zlib            enable zlib [autodetect]"
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  echo ""
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  echo "Advanced options (experts only):"
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  echo "  --source-path=PATH       path to source code [$source_path]"
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  echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
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  echo "  --enable-cross-compile   assume a cross-compiler is used"
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  echo "  --sysroot=PATH           root of cross-build tree"
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  echo "  --sysinclude=PATH        location of cross-build system headers"
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  echo "  --target-os=OS           compiler targets OS [$target_os]"
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  echo "  --target-exec=CMD        command to run executables on target"
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  echo "  --target-path=DIR        path to view of build directory on target"
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  echo "  --nm=NM                  use nm tool"
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  echo "  --as=AS                  use assembler AS [$as_default]"
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  echo "  --cc=CC                  use C compiler CC [$cc_default]"
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  echo "  --ld=LD                  use linker LD"
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  echo "  --host-cc=HOSTCC         use host C compiler HOSTCC"
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  echo "  --host-cflags=HCFLAGS    use HCFLAGS when compiling for host"
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  echo "  --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host"
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  echo "  --host-libs=HLIBS        use libs HLIBS when linking for host"
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  echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
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  echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
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  echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
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  echo "  --extra-version=STRING   version string suffix []"
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  echo "  --build-suffix=SUFFIX    library name suffix []"
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  echo "  --arch=ARCH              select architecture [$arch]"
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  echo "  --cpu=CPU                select the minimum required CPU (affects"
205
  echo "                           instruction selection, may crash on older CPUs)"
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  echo "  --enable-powerpc-perf    enable performance report on PPC"
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  echo "                           (requires enabling PMC)"
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  echo "  --disable-altivec        disable AltiVec optimizations"
209
  echo "  --disable-amd3dnow       disable 3DNow! optimizations"
210
  echo "  --disable-amd3dnowext    disable 3DNow! extended optimizations"
211
  echo "  --disable-mmx            disable MMX optimizations"
212
  echo "  --disable-mmx2           disable MMX2 optimizations"
213
  echo "  --disable-sse            disable SSE optimizations"
214
  echo "  --disable-ssse3          disable SSSE3 optimizations"
215
  echo "  --disable-armv5te        disable armv5te optimizations"
216
  echo "  --disable-armv6          disable armv6 optimizations"
217
  echo "  --disable-armv6t2        disable armv6t2 optimizations"
218
  echo "  --disable-armvfp         disable ARM VFP optimizations"
219
  echo "  --disable-iwmmxt         disable iwmmxt optimizations"
220
  echo "  --disable-mmi            disable MMI optimizations"
221
  echo "  --disable-neon           disable neon optimizations"
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  echo "  --disable-vis            disable VIS optimizations"
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  echo "  --disable-yasm           disable use of yasm assembler"
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  echo
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  echo "Developer options (useful when working on FFmpeg itself):"
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  echo "  --disable-debug          disable debugging symbols"
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  echo "  --enable-debug=LEVEL     set the debug level [$debuglevel]"
228
  echo "  --enable-gprof           enable profiling with gprof [$gprof]"
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."
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  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
258
ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
259
EOF
260
    if disabled logging; then
261
        cat <<EOF
262
Rerun configure with logging enabled (do not use --disable-logging), and
263
include the log this produces with your report.
264
EOF
265
    else
266
cat <<EOF
267
Include the log file "$logfile" produced by configure as this will help
268
solving the problem.
269
EOF
270
    fi
271
    exit 1
272
}
273

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
515
add_cppflags(){
516
    append CPPFLAGS $($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
    ldbrx
929
    libdc1394_1
930
    libdc1394_2
931
    llrint
932
    log2
933
    loongson
934
    lrint
935
    lrintf
936
    lzo1x_999_compress
937
    machine_ioctl_bt848_h
938
    machine_ioctl_meteor_h
939
    malloc_h
940
    memalign
941
    mkstemp
942
    pld
943
    posix_memalign
944
    round
945
    roundf
946
    sdl
947
    sdl_video_size
948
    setmode
949
    socklen_t
950
    soundcard_h
951
    poll_h
952
    sys_mman_h
953
    sys_resource_h
954
    sys_select_h
955
    sys_soundcard_h
956
    sys_videoio_h
957
    ten_operands
958
    termios_h
959
    threads
960
    truncf
961
    VirtualAlloc
962
    winsock2_h
963
    xform_asm
964
    yasm
965
"
966

    
967
# options emitted with CONFIG_ prefix but not available on command line
968
CONFIG_EXTRA="
969
    gplv3
970
    lgplv3
971
"
972

    
973
CMDLINE_SELECT="
974
    $ARCH_EXT_LIST
975
    $CONFIG_LIST
976
    $THREADS_LIST
977
    cross_compile
978
    debug
979
    extra_warnings
980
    logging
981
    optimizations
982
    stripping
983
    yasm
984
"
985

    
986
PATHS_LIST='
987
    bindir
988
    datadir
989
    incdir
990
    libdir
991
    mandir
992
    prefix
993
    shlibdir
994
'
995

    
996
CMDLINE_SET="
997
    $PATHS_LIST
998
    arch
999
    as
1000
    build_suffix
1001
    cc
1002
    cpu
1003
    cross_prefix
1004
    dep_cc
1005
    extra_cflags
1006
    extra_version
1007
    host_cc
1008
    host_cflags
1009
    host_ldflags
1010
    host_libs
1011
    host_os
1012
    ld
1013
    logfile
1014
    nm
1015
    source_path
1016
    sysinclude
1017
    sysroot
1018
    target_exec
1019
    target_os
1020
    target_path
1021
"
1022

    
1023
# code dependency declarations
1024

    
1025
# architecture extensions
1026
altivec_deps="ppc"
1027
amd3dnow_deps="mmx"
1028
amd3dnowext_deps="amd3dnow"
1029
armv5te_deps="arm"
1030
armv6_deps="arm"
1031
armv6t2_deps="arm"
1032
armvfp_deps="arm"
1033
iwmmxt_deps="arm"
1034
mmi_deps="mips"
1035
mmx_deps="x86"
1036
mmx2_deps="mmx"
1037
neon_deps="arm"
1038
ppc4xx_deps="ppc"
1039
sse_deps="mmx"
1040
ssse3_deps="sse"
1041
vis_deps="sparc"
1042

    
1043
need_memalign="altivec neon sse"
1044
inline_asm_deps="!tms470"
1045

    
1046
# decoders / encoders / hardware accelerators
1047
aac_decoder_select="fft mdct"
1048
ac3_decoder_select="fft mdct"
1049
atrac3_decoder_select="fft mdct"
1050
cavs_decoder_select="golomb"
1051
cook_decoder_select="fft mdct"
1052
cscd_decoder_suggest="zlib"
1053
dca_decoder_select="fft mdct"
1054
dnxhd_encoder_select="aandct"
1055
dxa_decoder_select="zlib"
1056
eac3_decoder_select="fft mdct"
1057
eatgq_decoder_select="aandct"
1058
eatqi_decoder_select="aandct"
1059
ffv1_decoder_select="golomb"
1060
flac_decoder_select="golomb"
1061
flac_encoder_select="golomb"
1062
flashsv_decoder_select="zlib"
1063
flashsv_encoder_select="zlib"
1064
flv_encoder_select="aandct"
1065
h261_encoder_select="aandct"
1066
h263_encoder_select="aandct"
1067
h263_vaapi_hwaccel_deps="va_va_h"
1068
h263_vaapi_hwaccel_select="vaapi h263_decoder"
1069
h263p_encoder_select="aandct"
1070
h264_decoder_select="golomb"
1071
h264_vaapi_hwaccel_deps="va_va_h"
1072
h264_vaapi_hwaccel_select="vaapi"
1073
h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1074
h264_vdpau_decoder_select="vdpau h264_decoder"
1075
imc_decoder_select="fft mdct"
1076
jpegls_decoder_select="golomb"
1077
jpegls_encoder_select="golomb"
1078
ljpeg_encoder_select="aandct"
1079
loco_decoder_select="golomb"
1080
mjpeg_encoder_select="aandct"
1081
mpeg1video_encoder_select="aandct"
1082
mpeg2video_encoder_select="aandct"
1083
mpeg4_encoder_select="aandct"
1084
mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1085
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1086
mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1087
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1088
mpeg2_vaapi_hwaccel_deps="va_va_h"
1089
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1090
mpeg4_vaapi_hwaccel_deps="va_va_h"
1091
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1092
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1093
msmpeg4v1_encoder_select="aandct"
1094
msmpeg4v2_encoder_select="aandct"
1095
msmpeg4v3_encoder_select="aandct"
1096
nellymoser_decoder_select="fft mdct"
1097
nellymoser_encoder_select="fft mdct"
1098
png_decoder_select="zlib"
1099
png_encoder_select="zlib"
1100
qdm2_decoder_select="fft mdct rdft"
1101
rv10_encoder_select="aandct"
1102
rv20_encoder_select="aandct"
1103
rv30_decoder_select="golomb"
1104
rv40_decoder_select="golomb"
1105
shorten_decoder_select="golomb"
1106
sonic_decoder_select="golomb"
1107
sonic_encoder_select="golomb"
1108
sonic_ls_encoder_select="golomb"
1109
svq3_decoder_select="golomb"
1110
svq3_decoder_suggest="zlib"
1111
tiff_decoder_suggest="zlib"
1112
tiff_encoder_suggest="zlib"
1113
tscc_decoder_select="zlib"
1114
vc1_vaapi_hwaccel_deps="va_va_h"
1115
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1116
vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1117
vc1_vdpau_decoder_select="vdpau vc1_decoder"
1118
vorbis_decoder_select="fft mdct"
1119
vorbis_encoder_select="fft mdct"
1120
wmav1_decoder_select="fft mdct"
1121
wmav1_encoder_select="fft mdct"
1122
wmav2_decoder_select="fft mdct"
1123
wmav2_encoder_select="fft mdct"
1124
wmv1_encoder_select="aandct"
1125
wmv2_encoder_select="aandct"
1126
wmv3_vaapi_hwaccel_deps="va_va_h"
1127
wmv3_vaapi_hwaccel_select="vaapi wmv3_decoder"
1128
wmv3_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1129
wmv3_vdpau_decoder_select="vdpau wmv3_decoder"
1130
zlib_decoder_select="zlib"
1131
zlib_encoder_select="zlib"
1132
zmbv_decoder_select="zlib"
1133
zmbv_encoder_select="zlib"
1134

    
1135
# parsers
1136
h264_parser_select="golomb"
1137

    
1138
# external libraries
1139
libdirac_decoder_deps="libdirac !libschroedinger"
1140
libdirac_encoder_deps="libdirac"
1141
libfaac_encoder_deps="libfaac"
1142
libfaad_decoder_deps="libfaad"
1143
libfaadbin_decoder_extralibs='$ldl'
1144
libgsm_decoder_deps="libgsm"
1145
libgsm_encoder_deps="libgsm"
1146
libgsm_ms_decoder_deps="libgsm"
1147
libgsm_ms_encoder_deps="libgsm"
1148
libmp3lame_encoder_deps="libmp3lame"
1149
libopencore_amrnb_decoder_deps="libopencore_amrnb"
1150
libopencore_amrnb_encoder_deps="libopencore_amrnb"
1151
libopencore_amrwb_decoder_deps="libopencore_amrwb"
1152
libopenjpeg_decoder_deps="libopenjpeg"
1153
libschroedinger_decoder_deps="libschroedinger"
1154
libschroedinger_encoder_deps="libschroedinger"
1155
libspeex_decoder_deps="libspeex"
1156
libtheora_encoder_deps="libtheora"
1157
libvorbis_encoder_deps="libvorbis"
1158
libx264_encoder_deps="libx264"
1159
libxvid_encoder_deps="libxvid"
1160

    
1161
# demuxers / muxers
1162
ac3_demuxer_deps="ac3_parser"
1163
asf_stream_muxer_select="asf_muxer"
1164
avisynth_demuxer_deps="avisynth"
1165
dirac_demuxer_deps="dirac_parser"
1166
ipod_muxer_select="mov_muxer"
1167
libnut_demuxer_deps="libnut"
1168
libnut_muxer_deps="libnut"
1169
matroska_audio_muxer_select="matroska_muxer"
1170
matroska_demuxer_suggest="zlib bzlib"
1171
mov_demuxer_suggest="zlib"
1172
mp3_demuxer_deps="mpegaudio_parser"
1173
mp4_muxer_select="mov_muxer"
1174
mpegtsraw_demuxer_select="mpegts_demuxer"
1175
mxf_d10_muxer_select="mxf_muxer"
1176
psp_muxer_select="mov_muxer"
1177
redir_demuxer_deps="network"
1178
rtp_muxer_deps="network rtp_protocol"
1179
rtsp_demuxer_deps="sdp_demuxer"
1180
sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1181
tg2_muxer_select="mov_muxer"
1182
tgp_muxer_select="mov_muxer"
1183

    
1184
# indevs / outdevs
1185
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1186
alsa_indev_extralibs="-lasound"
1187
alsa_outdev_deps="alsa_asoundlib_h"
1188
alsa_outdev_extralibs="-lasound"
1189
audio_beos_indev_deps="audio_beos"
1190
audio_beos_indev_extralibs="-lmedia -lbe"
1191
audio_beos_outdev_deps="audio_beos"
1192
audio_beos_outdev_extralibs="-lmedia -lbe"
1193
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1194
dv1394_indev_deps="dv1394 dv_demuxer"
1195
jack_indev_deps="jack_jack_h"
1196
jack_indev_extralibs="-ljack"
1197
libdc1394_indev_deps="libdc1394"
1198
oss_indev_deps_any="soundcard_h sys_soundcard_h"
1199
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1200
v4l_indev_deps="linux_videodev_h"
1201
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1202
vfwcap_indev_deps="capCreateCaptureWindow"
1203
vfwcap_indev_extralibs="-lvfw32"
1204
x11_grab_device_indev_deps="x11grab XShmCreateImage"
1205
x11_grab_device_indev_extralibs="-lX11 -lXext"
1206

    
1207
# protocols
1208
gopher_protocol_deps="network"
1209
http_protocol_deps="network"
1210
rtp_protocol_deps="udp_protocol"
1211
tcp_protocol_deps="network"
1212
udp_protocol_deps="network"
1213

    
1214
# filters
1215
movie_filter_deps="avfilter_lavf"
1216

    
1217
# programs
1218
ffplay_deps="sdl"
1219
ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1220
ffserver_extralibs='$ldl'
1221

    
1222

    
1223
# default parameters
1224

    
1225
logfile="config.err"
1226

    
1227
# installation paths
1228
prefix_default="/usr/local"
1229
bindir_default='${prefix}/bin'
1230
datadir_default='${prefix}/share/ffmpeg'
1231
incdir_default='${prefix}/include'
1232
libdir_default='${prefix}/lib'
1233
mandir_default='${prefix}/share/man'
1234
shlibdir_default="$libdir_default"
1235

    
1236
# toolchain
1237
ar="ar"
1238
cc_default="gcc"
1239
host_cc_default="gcc"
1240
ln_s="ln -sf"
1241
nm_default="nm"
1242
objformat="elf"
1243
ranlib="ranlib"
1244
strip="strip"
1245
yasmexe="yasm"
1246

    
1247
# machine
1248
arch=$(uname -m)
1249
cpu="generic"
1250

    
1251
# OS
1252
target_os=$(tolower $(uname -s))
1253
host_os=$target_os
1254

    
1255
# configurable options
1256
enable debug
1257
enable fastdiv
1258
enable ffmpeg
1259
enable ffplay
1260
enable ffserver
1261
enable ipv6
1262
enable mpegaudio_hp
1263
enable network
1264
enable optimizations
1265
enable protocols
1266
enable static
1267
enable stripping
1268
enable swscale_alpha
1269

    
1270
# build settings
1271
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1272
FFSERVERLDFLAGS=-Wl,-E
1273
LIBPREF="lib"
1274
LIBSUF=".a"
1275
FULLNAME='$(NAME)$(BUILDSUF)'
1276
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1277
SLIBPREF="lib"
1278
SLIBSUF=".so"
1279
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1280
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1281
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1282
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1283

    
1284
CC_O='-o $@'
1285

    
1286
host_cflags='-O3 -g -Wall'
1287
host_libs='-lm'
1288

    
1289
target_path='.'
1290

    
1291
# gcc stupidly only outputs the basename of targets with -MM, but we need the
1292
# full relative path for objects in subdirectories for non-recursive Make.
1293
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1294
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1295

    
1296
# find source path
1297
source_path="$(dirname "$0")"
1298
enable source_path_used
1299
if test -f configure; then
1300
    source_path="$(pwd)"
1301
    disable source_path_used
1302
else
1303
    source_path="$(cd "$source_path"; pwd)"
1304
    echo "$source_path" | grep -q '[[:blank:]]' &&
1305
        die "Out of tree builds are impossible with whitespace in source path."
1306
    test -e "$source_path/config.h" &&
1307
        die "Out of tree builds are impossible with config.h in source dir."
1308
fi
1309

    
1310
for v in "$@"; do
1311
    r=${v#*=}
1312
    l=${v%"$r"}
1313
    r=$(sh_quote "$r")
1314
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1315
done
1316

    
1317
find_things(){
1318
    thing=$1
1319
    pattern=$2
1320
    file=$source_path/$3
1321
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1322
}
1323

    
1324
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1325
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1326
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1327
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1328
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1329
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1330
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1331
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1332
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1333
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1334
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1335

    
1336
enable $ARCH_EXT_LIST \
1337
       $DECODER_LIST \
1338
       $ENCODER_LIST \
1339
       $HWACCEL_LIST \
1340
       $PARSER_LIST \
1341
       $BSF_LIST \
1342
       $DEMUXER_LIST \
1343
       $MUXER_LIST \
1344
       $FILTER_LIST \
1345
       $PROTOCOL_LIST \
1346
       $INDEV_LIST \
1347
       $OUTDEV_LIST \
1348

    
1349
die_unknown(){
1350
    echo "Unknown option \"$1\"."
1351
    echo "See $0 --help for available options."
1352
    exit 1
1353
}
1354

    
1355
show_list() {
1356
    suffix=_$1
1357
    shift
1358
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1359
    exit 0
1360
}
1361

    
1362
for opt do
1363
    optval="${opt#*=}"
1364
    case "$opt" in
1365
    --extra-ldflags=*) add_ldflags $optval
1366
    ;;
1367
    --extra-libs=*) add_extralibs $optval
1368
    ;;
1369
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1370
    ;;
1371
    --enable-debug=*) debuglevel="$optval"
1372
    ;;
1373
    --enable-*=*|--disable-*=*)
1374
    eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
1375
    case "$thing" in
1376
        encoder|decoder|hwaccel|muxer|demuxer|indev|outdev|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1377
        *) die_unknown "$opt" ;;
1378
    esac
1379
    ;;
1380
    --enable-?*|--disable-?*)
1381
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1382
    if is_in $option $COMPONENT_LIST; then
1383
        test $action = disable && action=unset
1384
        eval $action \$$(toupper ${option%s})_LIST
1385
    elif is_in $option $CMDLINE_SELECT; then
1386
        $action $option
1387
    else
1388
        die_unknown $opt
1389
    fi
1390
    ;;
1391
    --list-*)
1392
        NAME="${opt#--list-}"
1393
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1394
        NAME=${NAME%s}
1395
        eval show_list $NAME \$$(toupper $NAME)_LIST
1396
    ;;
1397
    --help|-h) show_help
1398
    ;;
1399
    *)
1400
    optname="${opt%%=*}"
1401
    optname="${optname#--}"
1402
    optname=$(echo "$optname" | sed 's/-/_/g')
1403
    is_in $optname $CMDLINE_SET || die_unknown $opt
1404
    eval $optname='$optval'
1405
    ;;
1406
    esac
1407
done
1408

    
1409
disabled logging && logfile=/dev/null
1410

    
1411
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1412
set >> $logfile
1413

    
1414
test -n "$cross_prefix" && enable cross_compile
1415

    
1416
ar="${cross_prefix}${ar}"
1417
cc_default="${cross_prefix}${cc_default}"
1418
nm_default="${cross_prefix}${nm_default}"
1419
ranlib="${cross_prefix}${ranlib}"
1420
strip="${cross_prefix}${strip}"
1421

    
1422
sysinclude_default="${sysroot}/usr/include"
1423

    
1424
set_default cc nm sysinclude
1425
enabled cross_compile || host_cc_default=$cc
1426
set_default host_cc
1427

    
1428
exesuf() {
1429
    case $1 in
1430
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1431
    esac
1432
}
1433

    
1434
EXESUF=$(exesuf $target_os)
1435
HOSTEXESUF=$(exesuf $host_os)
1436

    
1437
# set temporary file name
1438
: ${TMPDIR:=$TEMPDIR}
1439
: ${TMPDIR:=$TMP}
1440
: ${TMPDIR:=/tmp}
1441

    
1442
if ! check_cmd type mktemp; then
1443
    # simple replacement for missing mktemp
1444
    # NOT SAFE FOR GENERAL USE
1445
    mktemp(){
1446
        echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1447
    }
1448
fi
1449

    
1450
tmpfile(){
1451
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1452
        (set -C; exec > $tmp) 2>/dev/null ||
1453
        die "Unable to create temoporary file in $TMPDIR."
1454
    append TMPFILES $tmp
1455
    eval $1=$tmp
1456
}
1457

    
1458
trap 'rm -f -- $TMPFILES' EXIT
1459
trap exit HUP INT TERM
1460

    
1461
tmpfile TMPC  .c
1462
tmpfile TMPE  $EXESUF
1463
tmpfile TMPH  .h
1464
tmpfile TMPO  .o
1465
tmpfile TMPS  .S
1466
tmpfile TMPSH .sh
1467

    
1468
unset -f mktemp
1469

    
1470
# make sure we can execute files in $TMPDIR
1471
cat > $TMPSH 2>> $logfile <<EOF
1472
#! /bin/sh
1473
EOF
1474
chmod +x $TMPSH >> $logfile 2>&1
1475
if ! $TMPSH >> $logfile 2>&1; then
1476
    cat <<EOF
1477
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1478
variable to another directory and make sure that it is not mounted noexec.
1479
EOF
1480
    die "Sanity test failed."
1481
fi
1482

    
1483
filter_cflags=echo
1484
filter_cppflags=echo
1485
filter_asflags=echo
1486

    
1487
if   $cc --version 2>/dev/null | grep -qi gcc; then
1488
    cc_type=gcc
1489
elif $cc --version 2>/dev/null | grep -q Intel; then
1490
    cc_type=icc
1491
elif $cc -v 2>&1 | grep -q xlc; then
1492
    cc_type=xlc
1493
elif $cc -V 2>/dev/null | grep -q Compaq; then
1494
    cc_type=ccc
1495
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1496
    debuglevel=3
1497
    add_ldflags -Wl,-z,now # calls to libots crash without this
1498
elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1499
    test -d "$sysroot" || die "No valid sysroot specified."
1500
    cc_type=armcc
1501
    armcc_conf="$PWD/armcc.conf"
1502
    $cc --arm_linux_configure                 \
1503
        --arm_linux_config_file="$armcc_conf" \
1504
        --configure_sysroot="$sysroot"        \
1505
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1506
        die "Error creating armcc configuration file."
1507
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1508
    as_default="${cross_prefix}gcc"
1509
elif $cc -version 2>/dev/null | grep -q TMS470; then
1510
    cc_type=tms470
1511
    cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1512
    CC_O='-fr=$(@D)'
1513
    as_default="${cross_prefix}gcc"
1514
    ld_default="${cross_prefix}gcc"
1515
    dep_cc_default="${cross_prefix}gcc"
1516
    TMPO=$(basename $TMPC .c).o
1517
    append TMPFILES $TMPO
1518
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1519
    DEPFLAGS='$(CPPFLAGS) -MM'
1520
    filter_cflags=tms470_flags
1521
    tms470_flags(){
1522
        for flag; do
1523
            case $flag in
1524
                -march=*|-mcpu=*)
1525
                    case "${flag#*=}" in
1526
                        armv7-a|cortex-a*)      echo -mv=7a8 ;;
1527
                        armv7-r|cortex-r*)      echo -mv=7r4 ;;
1528
                        armv7-m|cortex-m*)      echo -mv=7m3 ;;
1529
                        armv6*|arm11*)          echo -mv=6   ;;
1530
                        armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1531
                                                echo -mv=5e  ;;
1532
                        armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
1533
                    esac
1534
                    ;;
1535
                -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
1536
                -mfpu=vfp)      echo --float_support=vfpv2        ;;
1537
                -mfpu=softvfp)  echo --float_support=vfplib       ;;
1538
                -Os)            echo -O3 -mf=2                    ;;
1539
                -O[0-3])        echo $flag -mf=5                  ;;
1540
                -g)             echo -g -mn                       ;;
1541
            esac
1542
        done
1543
    }
1544
fi
1545

    
1546
test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1547

    
1548
: ${as_default:=$cc}
1549
: ${dep_cc_default:=$cc}
1550
: ${ld_default:=$cc}
1551
set_default as dep_cc ld
1552

    
1553
add_cflags $extra_cflags
1554
add_asflags $extra_cflags
1555

    
1556
if test -n "$sysroot"; then
1557
    case "$cc_type" in
1558
        gcc)
1559
            add_cppflags --sysroot="$sysroot"
1560
            add_ldflags --sysroot="$sysroot"
1561
        ;;
1562
        tms470)
1563
            add_cppflags -I"$sysinclude"
1564
            add_ldflags  --sysroot="$sysroot"
1565
        ;;
1566
    esac
1567
fi
1568

    
1569
# Add processor-specific flags
1570
case $cpu in
1571
    601|ppc601|PowerPC601)
1572
        cpuflags="-mcpu=601"
1573
    ;;
1574
    603*|ppc603*|PowerPC603*)
1575
        cpuflags="-mcpu=603"
1576
    ;;
1577
    604*|ppc604*|PowerPC604*)
1578
        cpuflags="-mcpu=604"
1579
    ;;
1580
    G3|g3|75*|ppc75*|PowerPC75*)
1581
        cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1582
    ;;
1583
    G4|g4|745*|ppc745*|PowerPC745*)
1584
        cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1585
    ;;
1586
    74*|ppc74*|PowerPC74*)
1587
        cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1588
    ;;
1589
    G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1590
        cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1591
    ;;
1592
    Cell|CELL|cell)
1593
        cpuflags="-mcpu=cell"
1594
        enable ldbrx
1595
    ;;
1596
    # targets that do NOT support conditional mov (cmov)
1597
    i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1598
        cpuflags="-march=$cpu"
1599
        disable cmov
1600
    ;;
1601
    # targets that do support conditional mov (cmov)
1602
    i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1603
        cpuflags="-march=$cpu"
1604
        enable cmov
1605
        enable fast_cmov
1606
    ;;
1607
    # targets that do support conditional mov but on which it's slow
1608
    pentium4|pentium4m|prescott|nocona)
1609
        cpuflags="-march=$cpu"
1610
        enable cmov
1611
        disable fast_cmov
1612
    ;;
1613
    sparc64)
1614
        cpuflags="-mcpu=v9"
1615
    ;;
1616
    arm11*|cortex*)
1617
        cpuflags="-mcpu=$cpu"
1618
        enable fast_unaligned
1619
    ;;
1620
    armv[67]*)
1621
        cpuflags="-march=$cpu"
1622
        enable fast_unaligned
1623
    ;;
1624
    armv*)
1625
        cpuflags="-march=$cpu"
1626
    ;;
1627
    arm*)
1628
        cpuflags="-mcpu=$cpu"
1629
    ;;
1630
    ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1631
        enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1632
    ;;
1633
    bf*)
1634
        cpuflags="-mcpu=$cpu"
1635
    ;;
1636
    mips*|[45]k*|[237]4k*|m4k|r*000|loongson2[ef])
1637
        cpuflags="-march=$cpu"
1638
    ;;
1639
    generic)
1640
    ;;
1641
    *)
1642
        echo "WARNING: Unknown CPU \"$cpu\", ignored."
1643
    ;;
1644
esac
1645

    
1646
add_cflags $cpuflags
1647
add_asflags $cpuflags
1648

    
1649
# compiler sanity check
1650
check_exec <<EOF
1651
int main(void){ return 0; }
1652
EOF
1653
if test "$?" != 0; then
1654
    echo "$cc is unable to create an executable file."
1655
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
1656
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1657
        echo "Only do this if you know what cross compiling means."
1658
    fi
1659
    die "C compiler test failed."
1660
fi
1661

    
1662
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1663
check_cflags -std=c99
1664
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1665
#include <stdlib.h>
1666
EOF
1667
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
1668
#include <stdlib.h>
1669
EOF
1670

    
1671
case "$arch" in
1672
    alpha)
1673
        arch="alpha"
1674
        enable fast_64bit
1675
        check_cflags -mieee
1676
    ;;
1677
    arm|armv[4567]*l)
1678
        arch="arm"
1679
    ;;
1680
    avr32)
1681
    ;;
1682
    bfin)
1683
        arch="bfin"
1684
    ;;
1685
    ia64)
1686
        arch="ia64"
1687
        enable fast_64bit
1688
    ;;
1689
    m68k)
1690
        arch="m68k"
1691
    ;;
1692
    mips|mipsel|IP*)
1693
        arch="mips"
1694
    ;;
1695
    mips64)
1696
        arch="mips"
1697
        subarch="mips64"
1698
        enable fast_64bit
1699
    ;;
1700
    parisc|hppa)
1701
        arch="parisc"
1702
    ;;
1703
    parisc64|hppa64)
1704
        arch="parisc"
1705
        enable fast_64bit
1706
    ;;
1707
    "Power Macintosh"|ppc|powerpc)
1708
        arch="ppc"
1709
        enable fast_unaligned
1710
    ;;
1711
    ppc64)
1712
        arch="ppc"
1713
        subarch="ppc64"
1714
        enable fast_64bit
1715
        enable fast_unaligned
1716
    ;;
1717
    s390|s390x)
1718
        arch="s390"
1719
    ;;
1720
    sh4|sh)
1721
        arch="sh4"
1722
    ;;
1723
    sparc)
1724
        arch="sparc"
1725
    ;;
1726
    sun4u|sparc64)
1727
        arch="sparc"
1728
        subarch="sparc64"
1729
        enable fast_64bit
1730
    ;;
1731
    i386|i486|i586|i686|i86pc|BePC)
1732
        arch="x86"
1733
        subarch="x86_32"
1734
        enable fast_unaligned
1735
    ;;
1736
    x86_64|amd64)
1737
        arch="x86"
1738
        subarch="x86_32"
1739
        enable cmov
1740
        enable fast_cmov
1741
        enable fast_unaligned
1742
        check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1743
        int test[sizeof(char*) - 7];
1744
EOF
1745
    ;;
1746
    *)
1747
        arch="unknown"
1748
    ;;
1749
esac
1750

    
1751
enable $arch $subarch
1752

    
1753
# OS specific
1754
case $target_os in
1755
    beos|haiku|zeta)
1756
        prefix_default="$HOME/config"
1757
        # helps building libavcodec
1758
        add_cppflags -DPIC
1759
        add_cflags -fomit-frame-pointer
1760
        # 3 gcc releases known for BeOS, each with ugly bugs
1761
        gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1762
        case "$gcc_version" in
1763
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1764
            disable mmx
1765
            ;;
1766
          *20010315*) echo "BeBits gcc"
1767
            add_cflags -fno-expensive-optimizations
1768
            ;;
1769
        esac
1770
        SHFLAGS=-nostart
1771
        # enable BeOS things
1772
        enable audio_beos
1773
        # no need for libm, but the inet stuff
1774
        # Check for BONE
1775
        # XXX: actually should check for NOT net_server
1776
        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1777
            network_extralibs="-lbind -lsocket"
1778
        else
1779
            enable beos_netserver
1780
            network_extralibs="-lnet"
1781
        fi ;;
1782
    sunos)
1783
        FFSERVERLDFLAGS=""
1784
        SHFLAGS='-shared -Wl,-h,$$(@F)'
1785
        network_extralibs="-lsocket -lnsl"
1786
        add_cppflags -D__EXTENSIONS__
1787
        ;;
1788
    netbsd)
1789
        oss_indev_extralibs="-lossaudio"
1790
        oss_outdev_extralibs="-lossaudio"
1791
        ;;
1792
    openbsd)
1793
        enable malloc_aligned
1794
        LIBOBJFLAGS='$(PIC)'
1795
        SHFLAGS='-shared'
1796
        oss_indev_extralibs="-lossaudio"
1797
        oss_outdev_extralibs="-lossaudio"
1798
        ;;
1799
    freebsd|dragonfly)
1800
        enable malloc_aligned
1801
        ;;
1802
    bsd/os)
1803
        osextralibs="-lpoll -lgnugetopt"
1804
        strip="strip -d"
1805
        ;;
1806
    darwin)
1807
        enable malloc_aligned
1808
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1809
        strip="strip -x"
1810
        FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1811
        SLIBSUF=".dylib"
1812
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1813
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1814
        FFSERVERLDFLAGS=-Wl,-bind_at_load
1815
        objformat="macho"
1816
        enabled x86_64 && objformat="macho64"
1817
        ;;
1818
    mingw32*)
1819
        target_os=mingw32
1820
        LIBTARGET=i386
1821
        if enabled x86_64; then
1822
            enable malloc_aligned
1823
            LIBTARGET=x64
1824
        elif enabled arm; then
1825
            LIBTARGET=arm
1826
        fi
1827
        shlibdir_default="$bindir_default"
1828
        disable ffserver
1829
        SLIBPREF=""
1830
        SLIBSUF=".dll"
1831
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1832
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1833
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1834
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1835
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
1836
            install -d "$(LIBDIR)"; \
1837
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
1838
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1839
        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'
1840
        objformat="win32"
1841
        enable dos_paths
1842
        check_cflags -fno-common
1843
        if ! enabled x86_64; then
1844
            check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1845
                die "ERROR: MinGW runtime version must be >= 3.15."
1846
            enabled_any avisynth vfwcap_indev &&
1847
                { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1848
                  die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
1849
            fi
1850
        ;;
1851
    cygwin*)
1852
        target_os=cygwin
1853
        shlibdir_default="$bindir_default"
1854
        SLIBPREF="cyg"
1855
        SLIBSUF=".dll"
1856
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1857
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1858
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
1859
        objformat="win32"
1860
        enable dos_paths
1861
        check_cflags -fno-common
1862
        ;;
1863
    *-dos|freedos|opendos)
1864
        disable ffplay ffserver
1865
        disable $INDEV_LIST $OUTDEV_LIST
1866
        network_extralibs="-lsocket"
1867
        objformat="coff"
1868
        enable dos_paths
1869
        ;;
1870
    linux)
1871
        enable dv1394
1872
        ;;
1873
    irix*)
1874
        target_os=irix
1875
        ranlib="echo ignoring ranlib"
1876
        ;;
1877
    os/2*)
1878
        strip="lxlite"
1879
        ln_s="cp -f"
1880
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1881
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1882
        FFSERVERLDFLAGS=""
1883
        LIBSUF="_s.a"
1884
        SLIBPREF=""
1885
        SLIBSUF=".dll"
1886
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1887
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1888
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1889
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1890
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1891
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1892
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1893
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1894
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1895
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1896
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1897
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1898
        enable dos_paths
1899
        ;;
1900
    gnu/kfreebsd)
1901
        ;;
1902
    gnu)
1903
        ;;
1904

    
1905
    *)
1906
        die "Unknown OS '$target_os'."
1907
        ;;
1908
esac
1909

    
1910
set_default $PATHS_LIST
1911

    
1912
add_extralibs $osextralibs
1913

    
1914
# Combine FFLDFLAGS and the LDFLAGS environment variable.
1915
LDFLAGS="$FFLDFLAGS $LDFLAGS"
1916

    
1917
# we need to build at least one lib type
1918
if ! enabled_any static shared; then
1919
    cat <<EOF
1920
At least one library type must be built.
1921
Specify --enable-static to build the static libraries or --enable-shared to
1922
build the shared libraries as well. To only build the shared libraries specify
1923
--disable-static in addition to --enable-shared.
1924
EOF
1925
    exit 1;
1926
fi
1927

    
1928
disabled static && LIBNAME=""
1929

    
1930
if enabled_any libfaad libfaadbin ; then
1931
    if check_header faad.h; then
1932
        check_cc <<EOF
1933
#include <faad.h>
1934
#ifndef FAAD2_VERSION
1935
ok faad1
1936
#endif
1937
int main(void) { return 0; }
1938
EOF
1939
        test $? = 0 && enable libfaad2
1940
    else
1941
        die "FAAD test failed."
1942
    fi
1943
fi
1944

    
1945

    
1946
die_license_disabled() {
1947
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
1948
}
1949

    
1950
die_license_disabled gpl libfaad2
1951
die_license_disabled gpl libx264
1952
die_license_disabled gpl libxvid
1953
die_license_disabled gpl postproc
1954
die_license_disabled gpl x11grab
1955

    
1956
die_license_disabled nonfree libfaac
1957

    
1958
die_license_disabled version3 libopencore_amrnb
1959
die_license_disabled version3 libopencore_amrwb
1960

    
1961
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
1962

    
1963
check_deps $ARCH_EXT_LIST
1964

    
1965
#Darwin CC versions
1966
if test $target_os = darwin; then
1967
    if enabled xlc; then
1968
        add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1969
    else
1970
        add_cflags -pipe
1971
        check_cflags -force_cpusubtype_ALL
1972
        check_cflags -Wno-sign-compare
1973
        enabled shared || check_cflags -mdynamic-no-pic
1974
    fi
1975
fi
1976

    
1977
disabled optimizations || check_cflags -fomit-frame-pointer
1978

    
1979
check_cc <<EOF || die "Symbol mangling check failed."
1980
int ff_extern;
1981
EOF
1982
sym=$($nm -P -g $TMPO | grep ff_extern)
1983
extern_prefix=${sym%%ff_extern*}
1984

    
1985
check_cc <<EOF && enable inline_asm
1986
void foo(void) { __asm__ volatile ("" ::); }
1987
EOF
1988

    
1989
if enabled x86; then
1990
    # check whether EBP is available on x86
1991
    # As 'i' is stored on the stack, this program will crash
1992
    # if the base pointer is used to access it because the
1993
    # base pointer is cleared in the inline assembly code.
1994
    check_exec_crash <<EOF && enable ebp_available
1995
    volatile int i=0;
1996
    __asm__ volatile (
1997
        "xorl %%ebp, %%ebp"
1998
    ::: "%ebp");
1999
    return i;
2000
EOF
2001

    
2002
    # check wether EBX is available on x86
2003
    check_asm ebx_available '"":::"%ebx"'
2004

    
2005
    # check whether more than 10 operands are supported
2006
    check_cc <<EOF && enable ten_operands
2007
int main(void) {
2008
    int x=0;
2009
    __asm__ volatile(
2010
        ""
2011
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2012
    );
2013
    return 0;
2014
}
2015
EOF
2016

    
2017
    # check whether binutils is new enough to compile SSSE3/MMX2
2018
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2019
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2020

    
2021
    check_asm bswap '"bswap %%eax" ::: "%eax"'
2022

    
2023
    YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2024
    enabled     x86_64        && append YASMFLAGS "-m amd64"
2025
    enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
2026
    case "$objformat" in
2027
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2028
        macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
2029
        *)                    append YASMFLAGS "-DPREFIX"  ;;
2030
    esac
2031
    disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2032
fi
2033

    
2034
# check for assembler specific support
2035

    
2036
enabled mips && check_asm loongson '"dmult.g $1, $2, $3"'
2037

    
2038
enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
2039
enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
2040
enabled ppc && check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
2041

    
2042
# check for SIMD availability
2043

    
2044
# AltiVec flags: The FSF version of GCC differs from the Apple version
2045
if enabled altivec; then
2046
    check_cflags -maltivec -mabi=altivec &&
2047
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2048
        check_cflags -faltivec
2049

    
2050
    # check if our compiler supports Motorola AltiVec C API
2051
    check_cc <<EOF || disable altivec
2052
$inc_altivec_h
2053
int main(void) {
2054
    vector signed int v1, v2, v3;
2055
    v1 = vec_add(v2,v3);
2056
    return 0;
2057
}
2058
EOF
2059

    
2060
    # check if our compiler supports braces for vector declarations
2061
    check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2062
$inc_altivec_h
2063
int main (void) { (vector int) {1}; return 0; }
2064
EOF
2065
fi
2066

    
2067
# We have to check if pld is a nop and disable it.
2068
enabled arm     && check_asm pld     '"pld [r0]"'
2069
enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2070
enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2071
enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2072
enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2073
enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2074
enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2075
enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2076
enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
2077

    
2078
enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2079

    
2080
check_cc <<EOF || die "endian test failed"
2081
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2082
EOF
2083
od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2084

    
2085
if check_func dlopen; then
2086
    ldl=
2087
elif check_func dlopen -ldl; then
2088
    ldl=-ldl
2089
fi
2090

    
2091
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2092
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2093

    
2094
check_func  fork
2095
check_func  gethrtime
2096
check_func  getrusage
2097
check_func  inet_aton $network_extralibs
2098
check_func  memalign
2099
check_func  mkstemp
2100
check_func  posix_memalign
2101
check_func_headers io.h setmode
2102
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2103
check_func_headers windows.h GetProcessTimes
2104
check_func_headers windows.h VirtualAlloc
2105

    
2106
check_header conio.h
2107
check_header dlfcn.h
2108
check_header malloc.h
2109
check_header poll.h
2110
check_header sys/mman.h
2111
check_header sys/resource.h
2112
check_header sys/select.h
2113
check_header termios.h
2114
check_header vdpau/vdpau.h
2115
check_header vdpau/vdpau_x11.h
2116
check_header X11/extensions/XvMClib.h
2117

    
2118
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2119
     enabled_any $need_memalign ; then
2120
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2121
fi
2122

    
2123
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2124
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2125

    
2126
# check for some common methods of building with pthread support
2127
# do this before the optional library checks as some of them require pthreads
2128
if enabled pthreads; then
2129
    if check_func pthread_create; then
2130
        :
2131
    elif check_func pthread_create -pthread; then
2132
        add_cflags -pthread
2133
        add_extralibs -pthread
2134
    elif check_func pthread_create -pthreads; then
2135
        add_cflags -pthreads
2136
        add_extralibs -pthreads
2137
    elif check_func pthread_create -lpthreadGC2; then
2138
        add_extralibs -lpthreadGC2
2139
    elif ! check_lib pthread.h pthread_create -lpthread; then
2140
        die "ERROR: can't find pthreads library"
2141
    fi
2142
fi
2143

    
2144
for thread in $THREADS_LIST; do
2145
    if enabled $thread; then
2146
        test -n "$thread_type" &&
2147
            die "ERROR: Only one thread type must be selected." ||
2148
            thread_type="$thread"
2149
    fi
2150
done
2151

    
2152
check_lib math.h sin -lm
2153
check_lib va/va.h vaInitialize -lva
2154

    
2155
check_func llrint
2156
check_func log2
2157
check_func lrint
2158
check_func lrintf
2159
check_func round
2160
check_func roundf
2161
check_func truncf
2162

    
2163
# these are off by default, so fail if requested and not available
2164
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2165
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2166
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2167
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
2168
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2169
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2170
enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
2171
enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2172
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2173
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2174
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2175
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2176
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2177
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2178
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2179
enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
2180
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2181
enabled libx264    && require  libx264 x264.h x264_encoder_open -lx264 -lm &&
2182
                      { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2183
                        die "ERROR: libx264 version must be >= 0.65."; }
2184
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2185
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2186

    
2187
# libdc1394 check
2188
if enabled libdc1394; then
2189
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2190
        enable libdc1394_2; } ||
2191
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2192
        enable libdc1394_1; } ||
2193
    die "ERROR: No version of libdc1394 found "
2194
fi
2195

    
2196

    
2197
_restrict=
2198
for restrict_keyword in restrict __restrict__ __restrict; do
2199
    check_cc <<EOF && _restrict=$restrict_keyword && break
2200
void foo(char * $restrict_keyword p);
2201
EOF
2202
done
2203

    
2204
check_cc <<EOF && enable attribute_packed
2205
struct { int x; } __attribute__((packed)) x;
2206
EOF
2207

    
2208
disable sdl_too_old
2209
disable sdl
2210
SDL_CONFIG="${cross_prefix}sdl-config"
2211
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2212
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2213
    temp_cflags $sdl_cflags
2214
    temp_extralibs $("${SDL_CONFIG}" --libs)
2215
    if check_lib2 SDL.h SDL_Init; then
2216
        _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2217
        if test "$_sdlversion" -lt 121 ; then
2218
            enable sdl_too_old
2219
        else
2220
            enable sdl
2221
            check_cc $sdl_cflags <<EOF && enable sdl_video_size
2222
#include <SDL.h>
2223
int main(int argc, char **argv){
2224
    const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2225
    int w = vi->current_w;
2226
    return 0;
2227
}
2228
EOF
2229
        fi
2230
    fi
2231
    restore_flags
2232
fi
2233

    
2234
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2235

    
2236
if enabled network; then
2237
    check_type "sys/types.h sys/socket.h" socklen_t
2238
    # Prefer arpa/inet.h over winsock2
2239
    if check_header arpa/inet.h ; then
2240
        check_func closesocket
2241
    elif check_header winsock2.h ; then
2242
        check_func_headers winsock2.h closesocket -lws2 && \
2243
            network_extralibs="-lws2" || \
2244
        { check_func_headers winsock2.h closesocket -lws2_32 && \
2245
            network_extralibs="-lws2_32"; }
2246
        check_type ws2tcpip.h socklen_t
2247
    else
2248
        disable network
2249
    fi
2250
fi
2251

    
2252
enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
2253
#include <sys/types.h>
2254
#include <sys/socket.h>
2255
#include <netinet/in.h>
2256
#include <netdb.h>
2257
int main(void) {
2258
    struct sockaddr_storage saddr;
2259
    struct ipv6_mreq mreq6;
2260
    getaddrinfo(0,0,0,0);
2261
    getnameinfo(0,0,0,0,0,0,0);
2262
    IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2263
}
2264
EOF
2265

    
2266
check_header linux/videodev.h
2267
check_header linux/videodev2.h
2268
check_header sys/videoio.h
2269

    
2270
check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2271

    
2272
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2273
{ check_header dev/bktr/ioctl_meteor.h &&
2274
  check_header dev/bktr/ioctl_bt848.h; } ||
2275
{ check_header machine/ioctl_meteor.h &&
2276
  check_header machine/ioctl_bt848.h; } ||
2277
{ check_header dev/video/meteor/ioctl_meteor.h &&
2278
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2279
check_header dev/ic/bt8xx.h
2280

    
2281
check_header sys/soundcard.h
2282
check_header soundcard.h
2283

    
2284
enabled alsa_indev || enabled alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2285

    
2286
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2287

    
2288
enabled x11grab                         &&
2289
check_header X11/Xlib.h                 &&
2290
check_header X11/extensions/XShm.h      &&
2291
check_func XOpenDisplay -lX11           &&
2292
check_func XShmCreateImage -lX11 -lXext
2293

    
2294
enabled debug && add_cflags -g"$debuglevel"
2295

    
2296
# add some useful compiler flags if supported
2297
check_cflags -Wdeclaration-after-statement
2298
check_cflags -Wall
2299
check_cflags -Wno-switch
2300
check_cflags -Wdisabled-optimization
2301
check_cflags -Wpointer-arith
2302
check_cflags -Wredundant-decls
2303
check_cflags -Wno-pointer-sign
2304
check_cflags -Wcast-qual
2305
check_cflags -Wwrite-strings
2306
check_cflags -Wtype-limits
2307
check_cflags -Wundef
2308
enabled extra_warnings && check_cflags -Winline
2309

    
2310
# add some linker flags
2311
check_ldflags -Wl,--warn-common
2312
check_ldflags -Wl,--as-needed
2313
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'
2314
check_ldflags -Wl,-Bsymbolic
2315

    
2316
if enabled small; then
2317
    check_cflags -Os            # not all compilers support -Os
2318
    optimizations="small"
2319
elif enabled optimizations; then
2320
    if enabled xlc; then
2321
        add_cflags  -O5
2322
        add_ldflags -O5
2323
    elif enabled ccc; then
2324
        add_cflags -fast
2325
    else
2326
        add_cflags -O3
2327
    fi
2328
fi
2329
check_cflags -fno-math-errno
2330
check_cflags -fno-signed-zeros
2331

    
2332
if enabled icc; then
2333
    # Just warnings, no remarks
2334
    check_cflags -w1
2335
    # -wd: Disable following warnings
2336
    # 144, 167, 556: -Wno-pointer-sign
2337
    # 10006: ignoring unknown option -fno-signed-zeros
2338
    # 10156: ignoring option '-W'; no argument required
2339
    check_cflags -wd144,167,556,10006,10156
2340
    # 11030: Warning unknown option --as-needed
2341
    # 10156: ignoring option '-export'; no argument required
2342
    check_ldflags -wd10156,11030
2343
    # Allow to compile with optimizations
2344
    check_ldflags -march=$cpu
2345
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2346
    enable ebp_available
2347
elif enabled ccc; then
2348
    # disable some annoying warnings
2349
    add_cflags -msg_disable cvtu32to64
2350
    add_cflags -msg_disable embedcomment
2351
    add_cflags -msg_disable needconstext
2352
    add_cflags -msg_disable nomainieee
2353
    add_cflags -msg_disable ptrmismatch1
2354
    add_cflags -msg_disable unreachcode
2355
elif enabled gcc; then
2356
    check_cflags -fno-tree-vectorize
2357
fi
2358

    
2359
# PIC flags for shared library objects where they are needed
2360
if enabled shared; then
2361
    # LIBOBJFLAGS may have already been set in the OS configuration
2362
    if test -z "$LIBOBJFLAGS" ; then
2363
        case "${subarch-$arch}" in
2364
            x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2365
        esac
2366
    fi
2367
fi
2368

    
2369
if enabled gprof; then
2370
    add_cflags  -p
2371
    add_ldflags -p
2372
fi
2373

    
2374
# Find out if the .align argument is a power of two or not.
2375
check_asm asmalign_pot '".align 3"'
2376

    
2377
enabled_any $DECODER_LIST      && enable decoders
2378
enabled_any $ENCODER_LIST      && enable encoders
2379
enabled_any $HWACCEL_LIST      && enable hwaccels
2380
enabled_any $BSF_LIST          && enable bsfs
2381
enabled_any $DEMUXER_LIST      && enable demuxers
2382
enabled_any $MUXER_LIST        && enable muxers
2383
enabled_any $FILTER_LIST       && enable filters
2384
enabled_any $INDEV_LIST        && enable indevs
2385
enabled_any $OUTDEV_LIST       && enable outdevs
2386
enabled_any $PROTOCOL_LIST     && enable protocols
2387

    
2388
enabled_any $THREADS_LIST      && enable threads
2389

    
2390
check_deps $CONFIG_LIST       \
2391
           $CONFIG_EXTRA      \
2392
           $HAVE_LIST         \
2393
           $DECODER_LIST      \
2394
           $ENCODER_LIST      \
2395
           $HWACCEL_LIST      \
2396
           $PARSER_LIST       \
2397
           $BSF_LIST          \
2398
           $DEMUXER_LIST      \
2399
           $MUXER_LIST        \
2400
           $FILTER_LIST       \
2401
           $INDEV_LIST        \
2402
           $OUTDEV_LIST       \
2403
           $PROTOCOL_LIST     \
2404

    
2405
echo "install prefix            $prefix"
2406
echo "source path               $source_path"
2407
echo "C compiler                $cc"
2408
echo ".align is power-of-two    $asmalign_pot"
2409
echo "ARCH                      $arch ($cpu)"
2410
if test "$build_suffix" != ""; then
2411
    echo "build suffix              $build_suffix"
2412
fi
2413
if test "$extra_version" != ""; then
2414
    echo "version string suffix     $extra_version"
2415
fi
2416
echo "big-endian                ${bigendian-no}"
2417
echo "runtime cpu detection     ${runtime_cpudetect-no}"
2418
if enabled x86; then
2419
    echo "yasm                      ${yasm-no}"
2420
    echo "MMX enabled               ${mmx-no}"
2421
    echo "MMX2 enabled              ${mmx2-no}"
2422
    echo "3DNow! enabled            ${amd3dnow-no}"
2423
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
2424
    echo "SSE enabled               ${sse-no}"
2425
    echo "SSSE3 enabled             ${ssse3-no}"
2426
    echo "CMOV enabled              ${cmov-no}"
2427
    echo "CMOV is fast              ${fast_cmov-no}"
2428
    echo "EBX available             ${ebx_available-no}"
2429
    echo "EBP available             ${ebp_available-no}"
2430
    echo "10 operands supported     ${ten_operands-no}"
2431
fi
2432
if enabled arm; then
2433
    echo "ARMv5TE enabled           ${armv5te-no}"
2434
    echo "ARMv6 enabled             ${armv6-no}"
2435
    echo "ARMv6T2 enabled           ${armv6t2-no}"
2436
    echo "ARM VFP enabled           ${armvfp-no}"
2437
    echo "IWMMXT enabled            ${iwmmxt-no}"
2438
    echo "NEON enabled              ${neon-no}"
2439
fi
2440
if enabled mips; then
2441
    echo "MMI enabled               ${mmi-no}"
2442
fi
2443
if enabled ppc; then
2444
    echo "AltiVec enabled           ${altivec-no}"
2445
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
2446
    echo "dcbzl available           ${dcbzl-no}"
2447
    echo "performance report        ${powerpc_perf-no}"
2448
fi
2449
if enabled sparc; then
2450
    echo "VIS enabled               ${vis-no}"
2451
fi
2452
echo "gprof enabled             ${gprof-no}"
2453
echo "debug symbols             ${debug-no}"
2454
echo "strip symbols             ${stripping-no}"
2455
echo "optimizations             ${optimizations-no}"
2456
echo "static                    ${static-no}"
2457
echo "shared                    ${shared-no}"
2458
echo "postprocessing support    ${postproc-no}"
2459
echo "new filter support        ${avfilter-no}"
2460
echo "filters using lavformat   ${avfilter_lavf-no}"
2461
echo "network support           ${network-no}"
2462
if enabled network; then
2463
    echo "IPv6 support              ${ipv6-no}"
2464
fi
2465
echo "threading support         ${thread_type-no}"
2466
echo "SDL support               ${sdl-no}"
2467
if enabled sdl_too_old; then
2468
    echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2469
fi
2470
echo "Sun medialib support      ${mlib-no}"
2471
echo "AVISynth enabled          ${avisynth-no}"
2472
echo "libdc1394 support         ${libdc1394-no}"
2473
echo "libdirac enabled          ${libdirac-no}"
2474
echo "libfaac enabled           ${libfaac-no}"
2475
echo "libfaad enabled           ${libfaad-no}"
2476
echo "libfaad dlopened          ${libfaadbin-no}"
2477
echo "libgsm enabled            ${libgsm-no}"
2478
echo "libmp3lame enabled        ${libmp3lame-no}"
2479
echo "libnut enabled            ${libnut-no}"
2480
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2481
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2482
echo "libopenjpeg enabled       ${libopenjpeg-no}"
2483
echo "libschroedinger enabled   ${libschroedinger-no}"
2484
echo "libspeex enabled          ${libspeex-no}"
2485
echo "libtheora enabled         ${libtheora-no}"
2486
echo "libvorbis enabled         ${libvorbis-no}"
2487
echo "libx264 enabled           ${libx264-no}"
2488
echo "libxvid enabled           ${libxvid-no}"
2489
echo "zlib enabled              ${zlib-no}"
2490
echo "bzlib enabled             ${bzlib-no}"
2491
echo
2492

    
2493
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2494
    echo "Enabled ${type}s:"
2495
    eval list=\$$(toupper $type)_LIST
2496
    for part in $list; do
2497
        enabled $part && echo ${part%_*}
2498
    done | sort | pr -3 -t
2499
    echo
2500
done
2501

    
2502
license="LGPL version 2.1 or later"
2503
if enabled nonfree; then
2504
    license="nonfree and unredistributable"
2505
elif enabled gplv3; then
2506
    license="GPL version 3 or later"
2507
elif enabled lgplv3; then
2508
    license="LGPL version 3 or later"
2509
elif enabled gpl; then
2510
    license="GPL version 2 or later"
2511
fi
2512

    
2513
echo "License: $license"
2514

    
2515
echo "Creating config.mak and config.h..."
2516

    
2517
echo "# Automatically generated by configure - do not modify!" > config.mak
2518
echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2519
echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2520
echo "#define FFMPEG_CONFIG_H" >> $TMPH
2521
echo "#define FFMPEG_CONFIGURATION \"$(c_escape $FFMPEG_CONFIGURATION)\"" >> $TMPH
2522
echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2523

    
2524
echo "ifndef FFMPEG_CONFIG_MAK" >> config.mak
2525
echo "FFMPEG_CONFIG_MAK=1" >> config.mak
2526

    
2527
echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2528
echo "prefix=$prefix" >> config.mak
2529
echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2530
echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2531
echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2532
echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2533
echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2534
echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2535
echo "SRC_PATH=\"$source_path\"" >> config.mak
2536
echo "SRC_PATH_BARE=$source_path" >> config.mak
2537
echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2538
echo "CC=$cc" >> config.mak
2539
echo "AS=$as" >> config.mak
2540
echo "LD=$ld" >> config.mak
2541
echo "DEPCC=$dep_cc" >> config.mak
2542
echo "YASM=$yasmexe" >> config.mak
2543
echo "AR=$ar" >> config.mak
2544
echo "RANLIB=$ranlib" >> config.mak
2545
echo "LN_S=$ln_s" >> config.mak
2546
enabled stripping &&
2547
    echo "STRIP=$strip" >> config.mak ||
2548
    echo "STRIP=echo ignoring strip" >> config.mak
2549

    
2550
echo "CPPFLAGS=$CPPFLAGS" >> config.mak
2551
echo "CFLAGS=$CFLAGS" >> config.mak
2552
echo "ASFLAGS=$ASFLAGS" >> config.mak
2553
echo "CC_O=$CC_O" >> config.mak
2554
echo "LDFLAGS=$LDFLAGS" >> config.mak
2555
echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2556
echo "SHFLAGS=$SHFLAGS" >> config.mak
2557
echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2558
echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2559
echo "BUILD_STATIC=$static" >> config.mak
2560
echo "BUILDSUF=$build_suffix" >> config.mak
2561
echo "FULLNAME=$FULLNAME" >> config.mak
2562
echo "LIBPREF=$LIBPREF" >> config.mak
2563
echo "LIBSUF=$LIBSUF" >> config.mak
2564
echo "LIBNAME=$LIBNAME" >> config.mak
2565
echo "SLIBPREF=$SLIBPREF" >> config.mak
2566
echo "SLIBSUF=$SLIBSUF" >> config.mak
2567
echo "EXESUF=$EXESUF" >> config.mak
2568
echo "EXTRA_VERSION=$extra_version" >> config.mak
2569
echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2570
echo "DEPFLAGS=$DEPFLAGS" >> config.mak
2571
echo "HOSTCC=$host_cc" >> config.mak
2572
echo "HOSTCFLAGS=$host_cflags" >> config.mak
2573
echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2574
echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2575
echo "HOSTLIBS=$host_libs" >> config.mak
2576
echo "TARGET_EXEC=$target_exec" >> config.mak
2577
echo "TARGET_PATH=$target_path" >> config.mak
2578

    
2579
if enabled bigendian; then
2580
    echo "WORDS_BIGENDIAN=yes" >> config.mak
2581
    echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2582
fi
2583

    
2584
if enabled sdl; then
2585
    echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2586
    echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
2587
fi
2588
if enabled texi2html; then
2589
    echo "BUILD_DOC=yes" >> config.mak
2590
fi
2591

    
2592
get_version(){
2593
    name=$1
2594
    file=$source_path/$2
2595
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2596
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2597
    lcname=$(tolower $name)
2598
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2599
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2600
}
2601

    
2602
get_version LIBSWSCALE  libswscale/swscale.h
2603
get_version LIBPOSTPROC libpostproc/postprocess.h
2604
get_version LIBAVCODEC  libavcodec/avcodec.h
2605
get_version LIBAVDEVICE libavdevice/avdevice.h
2606
get_version LIBAVFORMAT libavformat/avformat.h
2607
get_version LIBAVUTIL   libavutil/avutil.h
2608
get_version LIBAVFILTER libavfilter/avfilter.h
2609

    
2610
if enabled shared; then
2611
    echo "BUILD_SHARED=yes" >> config.mak
2612
    echo "PIC=-fPIC -DPIC" >> config.mak
2613
    echo "LIBTARGET=${LIBTARGET}" >> config.mak
2614
    echo "SLIBNAME=${SLIBNAME}" >> config.mak
2615
    echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2616
    echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2617
    echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2618
    echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2619
    echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2620
    echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2621
fi
2622
echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2623
echo "EXTRALIBS=$extralibs" >> config.mak
2624

    
2625
echo "ARCH=$arch" >> config.mak
2626

    
2627
print_config ARCH_   $TMPH config.mak $ARCH_LIST
2628
print_config HAVE_   $TMPH config.mak $HAVE_LIST
2629
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2630
                                      $CONFIG_EXTRA      \
2631
                                      $DECODER_LIST      \
2632
                                      $ENCODER_LIST      \
2633
                                      $HWACCEL_LIST      \
2634
                                      $PARSER_LIST       \
2635
                                      $BSF_LIST          \
2636
                                      $DEMUXER_LIST      \
2637
                                      $MUXER_LIST        \
2638
                                      $FILTER_LIST       \
2639
                                      $PROTOCOL_LIST     \
2640
                                      $INDEV_LIST        \
2641
                                      $OUTDEV_LIST       \
2642

    
2643
echo "#define restrict $_restrict" >> $TMPH
2644

    
2645
if enabled small; then
2646
    echo "#define av_always_inline"  >> $TMPH
2647
fi
2648

    
2649

    
2650
# Apparently it's not possible to portably echo a backslash.
2651
enabled asmalign_pot &&
2652
    printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2653
    printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2654

    
2655
echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2656

    
2657
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2658
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
2659

    
2660
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2661
cmp -s $TMPH config.h &&
2662
    echo "config.h is unchanged" ||
2663
    mv -f $TMPH config.h
2664

    
2665
# build tree in object directory if source path is different from current one
2666
if enabled source_path_used; then
2667
    DIRS="\
2668
        doc               \
2669
        libavcodec        \
2670
        libavcodec/alpha  \
2671
        libavcodec/arm    \
2672
        libavcodec/bfin   \
2673
        libavcodec/mlib   \
2674
        libavcodec/ppc    \
2675
        libavcodec/sh4    \
2676
        libavcodec/sparc  \
2677
        libavcodec/x86    \
2678
        libavdevice       \
2679
        libavfilter       \
2680
        libavformat       \
2681
        libavutil         \
2682
        libpostproc       \
2683
        libswscale        \
2684
        libswscale/bfin   \
2685
        libswscale/mlib   \
2686
        libswscale/ppc    \
2687
        libswscale/sparc  \
2688
        libswscale/x86    \
2689
        tests             \
2690
        tools             \
2691
        "
2692
    FILES="\
2693
        Makefile             \
2694
        common.mak           \
2695
        subdir.mak           \
2696
        doc/texi2pod.pl      \
2697
        libavcodec/Makefile  \
2698
        libavdevice/Makefile \
2699
        libavfilter/Makefile \
2700
        libavformat/Makefile \
2701
        libavutil/Makefile   \
2702
        libpostproc/Makefile \
2703
        libswscale/Makefile  \
2704
        "
2705
    for dir in $DIRS ; do
2706
        mkdir -p $dir
2707
    done
2708
    for f in $FILES ; do
2709
        $ln_s "$source_path/$f" $f
2710
    done
2711
fi
2712

    
2713

    
2714
# build pkg-config files
2715

    
2716
pkgconfig_generate(){
2717
name=$1
2718
shortname=${name#lib}${build_suffix}
2719
comment=$2
2720
version=$3
2721
libs=$4
2722
requires=$5
2723
cat <<EOF > $name/$name.pc
2724
prefix=$prefix
2725
exec_prefix=\${prefix}
2726
libdir=$libdir
2727
includedir=$incdir
2728

    
2729
Name: $name
2730
Description: $comment
2731
Version: $version
2732
Requires: $(disabled shared && echo $requires)
2733
Requires.private: $(enabled shared && echo $requires)
2734
Conflicts:
2735
Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2736
Libs.private: $(enabled shared && echo $libs)
2737
Cflags: -I\${includedir}
2738
EOF
2739
cat <<EOF > $name/$name-uninstalled.pc
2740
prefix=
2741
exec_prefix=
2742
libdir=\${pcfiledir}
2743
includedir=${source_path}
2744

    
2745
Name: $name
2746
Description: $comment
2747
Version: $version
2748
Requires: $requires
2749
Conflicts:
2750
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2751
Cflags: -I\${includedir}
2752
EOF
2753
}
2754

    
2755
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2756
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2757
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2758
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2759
enabled avfilter &&
2760
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2761
enabled postproc &&
2762
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2763
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"