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#!/bin/sh
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#
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# FFmpeg configure script
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#
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# Copyright (c) 2000-2002 Fabrice Bellard
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# Copyright (c) 2005-2008 Diego Biurrun
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# Copyright (c) 2005-2008 Mans Rullgard
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#
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# Prevent locale nonsense from breaking basic text processing.
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LC_ALL=C
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export LC_ALL
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# make sure we are running under a compatible shell
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# try to make this part work with most shells
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try_exec(){
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    echo "Trying shell $1"
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    type "$1" > /dev/null 2>&1 && exec "$@"
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}
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unset foo
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(: ${foo%%bar}) 2> /dev/null
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E1="$?"
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(: ${foo?}) 2> /dev/null
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E2="$?"
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if test "$E1" != 0 || test "$E2" = 0; then
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    echo "Broken shell detected.  Trying alternatives."
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    export FF_CONF_EXEC
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    if test "0$FF_CONF_EXEC" -lt 1; then
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        FF_CONF_EXEC=1
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        try_exec bash "$0" "$@"
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    fi
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    if test "0$FF_CONF_EXEC" -lt 2; then
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        FF_CONF_EXEC=2
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        try_exec ksh "$0" "$@"
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    fi
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    if test "0$FF_CONF_EXEC" -lt 3; then
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        FF_CONF_EXEC=3
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        try_exec /usr/xpg4/bin/sh "$0" "$@"
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    fi
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    echo "No compatible shell script interpreter found."
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    echo "This configure script requires a POSIX-compatible shell"
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    echo "such as bash or ksh."
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    echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
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    echo "Instead, install a working POSIX-compatible shell."
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    echo "Disabling this configure test will create a broken FFmpeg."
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    if test "$BASH_VERSION" = '2.04.0(1)-release'; then
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        echo "This bash version ($BASH_VERSION) is broken on your platform."
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        echo "Upgrade to a later version if available."
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    fi
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    exit 1
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fi
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show_help(){
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  echo "Usage: configure [options]"
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  echo "Options: [defaults in brackets after descriptions]"
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  echo
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  echo "Standard options:"
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  echo "  --help                   print this message"
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  echo "  --logfile=FILE           log tests and output to FILE [config.err]"
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  echo "  --disable-logging        do not log configure debug information"
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  echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
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  echo "  --bindir=DIR             install binaries in DIR [PREFIX/bin]"
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  echo "  --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]"
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  echo "  --libdir=DIR             install libs in DIR [PREFIX/lib]"
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  echo "  --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]"
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  echo "  --incdir=DIR             install includes in DIR [PREFIX/include]"
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  echo "  --mandir=DIR             install man page in DIR [PREFIX/share/man]"
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  echo
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  echo "Configuration options:"
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  echo "  --disable-static         do not build static libraries [no]"
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  echo "  --enable-shared          build shared libraries [no]"
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  echo "  --enable-gpl             allow use of GPL code, the resulting libs"
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  echo "                           and binaries will be under GPL [no]"
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  echo "  --enable-version3        upgrade (L)GPL to version 3 [no]"
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  echo "  --enable-nonfree         allow use of nonfree code, the resulting libs"
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  echo "                           and binaries will be unredistributable [no]"
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  echo "  --disable-ffmpeg         disable ffmpeg build"
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  echo "  --disable-ffplay         disable ffplay build"
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  echo "  --disable-ffserver       disable ffserver build"
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  echo "  --enable-postproc        enable GPLed postprocessing support [no]"
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  echo "  --enable-avfilter        video filter support [no]"
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  echo "  --enable-avfilter-lavf   video filters dependent on avformat [no]"
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  echo "  --enable-beosthreads     use BeOS threads [no]"
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  echo "  --enable-os2threads      use OS/2 threads [no]"
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  echo "  --enable-pthreads        use pthreads [no]"
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  echo "  --enable-w32threads      use Win32 threads [no]"
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  echo "  --enable-x11grab         enable X11 grabbing [no]"
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  echo "  --disable-network        disable network support [no]"
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  echo "  --disable-ipv6           disable IPv6 support [no]"
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  echo "  --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]"
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  echo "  --enable-gray            enable full grayscale support (slower color)"
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  echo "  --disable-swscale-alpha  disable alpha channel support in swscale"
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  echo "  --disable-fastdiv        disable table-based division"
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  echo "  --enable-small           optimize for size instead of speed"
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  echo "  --disable-aandct         disable AAN DCT code"
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  echo "  --disable-fft            disable FFT code"
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  echo "  --disable-golomb         disable Golomb code"
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  echo "  --disable-mdct           disable MDCT code"
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  echo "  --disable-rdft           disable RDFT code"
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  echo "  --disable-vaapi          disable VAAPI code"
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  echo "  --disable-vdpau          disable VDPAU code"
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  echo "  --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)"
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  echo "  --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
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  echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
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  echo "  --enable-beos-netserver  enable BeOS netserver"
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  echo "  --disable-encoder=NAME   disable encoder NAME"
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  echo "  --enable-encoder=NAME    enable encoder NAME"
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  echo "  --disable-encoders       disable all encoders"
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  echo "  --disable-decoder=NAME   disable decoder NAME"
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  echo "  --enable-decoder=NAME    enable decoder NAME"
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  echo "  --disable-decoders       disable all decoders"
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  echo "  --disable-hwaccel=NAME   disable hwaccel NAME"
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  echo "  --enable-hwaccel=NAME    enable hwaccel NAME"
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  echo "  --disable-hwaccels       disable all hwaccels"
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  echo "  --disable-muxer=NAME     disable muxer NAME"
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  echo "  --enable-muxer=NAME      enable muxer NAME"
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  echo "  --disable-muxers         disable all muxers"
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  echo "  --disable-demuxer=NAME   disable demuxer NAME"
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  echo "  --enable-demuxer=NAME    enable demuxer NAME"
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  echo "  --disable-demuxers       disable all demuxers"
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  echo "  --enable-parser=NAME     enable parser NAME"
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  echo "  --disable-parser=NAME    disable parser NAME"
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  echo "  --disable-parsers        disable all parsers"
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  echo "  --enable-bsf=NAME        enable bitstream filter NAME"
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  echo "  --disable-bsf=NAME       disable bitstream filter NAME"
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  echo "  --disable-bsfs           disable all bitstream filters"
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  echo "  --enable-protocol=NAME   enable protocol NAME"
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  echo "  --disable-protocol=NAME  disable protocol NAME"
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  echo "  --disable-protocols      disable all protocols"
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  echo "  --disable-indev=NAME     disable input device NAME"
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  echo "  --disable-outdev=NAME    disable output device NAME"
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  echo "  --disable-indevs         disable input devices"
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  echo "  --disable-outdevs        disable output devices"
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  echo "  --disable-devices        disable all devices"
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  echo "  --enable-filter=NAME     enable filter NAME"
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  echo "  --disable-filter=NAME    disable filter NAME"
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  echo "  --disable-filters        disable all filters"
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  echo "  --list-decoders          show all available decoders"
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  echo "  --list-encoders          show all available encoders"
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  echo "  --list-hwaccels          show all available hardware accelerators"
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  echo "  --list-muxers            show all available muxers"
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  echo "  --list-demuxers          show all available demuxers"
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  echo "  --list-parsers           show all available parsers"
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  echo "  --list-protocols         show all available protocols"
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  echo "  --list-bsfs              show all available bitstream filters"
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  echo "  --list-indevs            show all available input devices"
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  echo "  --list-outdevs           show all available output devices"
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  echo "  --list-filters           show all available filters"
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  echo
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  echo "External library support:"
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  echo "  --enable-avisynth        enable reading of AVISynth script files [no]"
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  echo "  --enable-bzlib           enable bzlib [autodetect]"
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  echo "  --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]"
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  echo "  --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]"
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  echo "  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394"
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  echo "                           and libraw1394 [no]"
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  echo "  --enable-libdirac        enable Dirac support via libdirac [no]"
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  echo "  --enable-libfaac         enable FAAC support via libfaac [no]"
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  echo "  --enable-libfaad         enable FAAD support via libfaad [no]"
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  echo "  --enable-libfaadbin      open libfaad.so.0 at runtime [no]"
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  echo "  --enable-libgsm          enable GSM support via libgsm [no]"
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  echo "  --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]"
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  echo "  --enable-libnut          enable NUT (de)muxing via libnut,"
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  echo "                           native (de)muxer exists [no]"
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  echo "  --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]"
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  echo "  --enable-libschroedinger enable Dirac support via libschroedinger [no]"
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  echo "  --enable-libspeex        enable Speex decoding via libspeex [no]"
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  echo "  --enable-libtheora       enable Theora encoding via libtheora [no]"
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  echo "  --enable-libvorbis       enable Vorbis encoding via libvorbis,"
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  echo "                           native implementation exists [no]"
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  echo "  --enable-libx264         enable H.264 encoding via x264 [no]"
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  echo "  --enable-libxvid         enable Xvid encoding via xvidcore,"
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  echo "                           native MPEG-4/Xvid encoder exists [no]"
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  echo "  --enable-mlib            enable Sun medialib [no]"
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  echo "  --enable-zlib            enable zlib [autodetect]"
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  echo ""
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  echo "Advanced options (experts only):"
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  echo "  --source-path=PATH       path to source code [$source_path]"
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  echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
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  echo "  --enable-cross-compile   assume a cross-compiler is used"
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  echo "  --sysroot=PATH           root of cross-build tree"
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  echo "  --sysinclude=PATH        location of cross-build system headers"
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  echo "  --target-os=OS           compiler targets OS [$target_os]"
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  echo "  --target-exec=CMD        command to run executables on target"
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  echo "  --target-path=DIR        path to view of build directory on target"
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  echo "  --nm=NM                  use nm tool"
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  echo "  --as=AS                  use assembler AS [$as_default]"
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  echo "  --cc=CC                  use C compiler CC [$cc_default]"
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  echo "  --ld=LD                  use linker LD"
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  echo "  --host-cc=HOSTCC         use host C compiler HOSTCC"
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  echo "  --host-cflags=HCFLAGS    use HCFLAGS when compiling for host"
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  echo "  --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host"
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  echo "  --host-libs=HLIBS        use libs HLIBS when linking for host"
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  echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
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  echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
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  echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
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  echo "  --extra-version=STRING   version string suffix []"
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  echo "  --build-suffix=SUFFIX    library name suffix []"
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  echo "  --arch=ARCH              select architecture [$arch]"
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  echo "  --cpu=CPU                select the minimum required CPU (affects"
205
  echo "                           instruction selection, may crash on older CPUs)"
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  echo "  --enable-powerpc-perf    enable performance report on PPC"
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  echo "                           (requires enabling PMC)"
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  echo "  --disable-altivec        disable AltiVec optimizations"
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  echo "  --disable-amd3dnow       disable 3DNow! optimizations"
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  echo "  --disable-amd3dnowext    disable 3DNow! extended optimizations"
211
  echo "  --disable-mmx            disable MMX optimizations"
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  echo "  --disable-mmx2           disable MMX2 optimizations"
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  echo "  --disable-sse            disable SSE optimizations"
214
  echo "  --disable-ssse3          disable SSSE3 optimizations"
215
  echo "  --disable-armv5te        disable armv5te optimizations"
216
  echo "  --disable-armv6          disable armv6 optimizations"
217
  echo "  --disable-armv6t2        disable armv6t2 optimizations"
218
  echo "  --disable-armvfp         disable ARM VFP optimizations"
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  echo "  --disable-iwmmxt         disable iwmmxt optimizations"
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  echo "  --disable-mmi            disable MMI optimizations"
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  echo "  --disable-neon           disable neon optimizations"
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  echo "  --disable-vis            disable VIS optimizations"
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  echo "  --disable-yasm           disable use of yasm assembler"
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  echo
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  echo "Developer options (useful when working on FFmpeg itself):"
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  echo "  --disable-debug          disable debugging symbols"
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  echo "  --enable-debug=LEVEL     set the debug level [$debuglevel]"
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  echo "  --enable-gprof           enable profiling with gprof [$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 ""
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  echo "NOTE: Object files are built at the place where configure is launched."
234
  exit 0
235
}
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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 "$@"
517
}
518

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

    
523
add_ldflags(){
524
    append LDFLAGS "$@"
525
}
526

    
527
add_extralibs(){
528
    append extralibs "$@"
529
}
530

    
531
check_cmd(){
532
    log "$@"
533
    "$@" >> $logfile 2>&1
534
}
535

    
536
check_cc(){
537
    log check_cc "$@"
538
    cat > $TMPC
539
    log_file $TMPC
540
    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
541
}
542

    
543
check_cpp(){
544
    log check_cpp "$@"
545
    cat > $TMPC
546
    log_file $TMPC
547
    check_cmd $cc $CPPFLAGS "$@" -E -o $TMPO $TMPC
548
}
549

    
550
check_as(){
551
    log check_as "$@"
552
    cat > $TMPC
553
    log_file $TMPC
554
    check_cmd $as $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
555
}
556

    
557
check_asm(){
558
    log check_asm "$@"
559
    name="$1"
560
    asm="$2"
561
    shift 2
562
    check_as "$@" <<EOF && enable $name || disable $name
563
void foo(void){ __asm__ volatile($asm); }
564
EOF
565
}
566

    
567
check_yasm(){
568
    log check_yasm "$@"
569
    echo "$1" > $TMPS
570
    log_file $TMPS
571
    shift 1
572
    check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
573
}
574

    
575
check_ld(){
576
    log check_ld "$@"
577
    check_cc || return
578
    flags=''
579
    libs=''
580
    for f; do
581
        test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
582
    done
583
    check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
584
}
585

    
586
check_cppflags(){
587
    log check_cppflags "$@"
588
    check_cc "$@" <<EOF && add_cppflags "$@"
589
int x;
590
EOF
591
}
592

    
593
check_cflags(){
594
    log check_cflags "$@"
595
    check_cc "$@" <<EOF && add_cflags "$@"
596
int x;
597
EOF
598
}
599

    
600
check_ldflags(){
601
    log check_ldflags "$@"
602
    check_ld "$@" <<EOF && add_ldflags "$@"
603
int main(void){ return 0; }
604
EOF
605
}
606

    
607
check_header(){
608
    log check_header "$@"
609
    header=$1
610
    shift
611
    disable_safe $header
612
    check_cpp "$@" <<EOF && enable_safe $header
613
#include <$header>
614
int x;
615
EOF
616
}
617

    
618
check_func(){
619
    log check_func "$@"
620
    func=$1
621
    shift
622
    disable $func
623
    check_ld "$@" <<EOF && enable $func
624
extern int $func();
625
int main(void){ $func(); }
626
EOF
627
}
628

    
629
check_func_headers(){
630
    log check_func_headers "$@"
631
    headers=$1
632
    func=$2
633
    shift 2
634
    disable $func
635
    incs=""
636
    for hdr in $headers; do
637
        incs="$incs
638
#include <$hdr>"
639
    done
640
    check_ld "$@" <<EOF && enable $func && enable_safe $headers
641
$incs
642
int main(int argc, char **argv){
643
    (void) $func;
644
    return 0;
645
}
646
EOF
647
}
648

    
649
check_cpp_condition(){
650
    log check_cpp_condition "$@"
651
    header=$1
652
    condition=$2
653
    check_cpp <<EOF
654
#include <$header>
655
#if !($condition)
656
#error "unsatisfied condition: $condition"
657
#endif
658
EOF
659
}
660

    
661
check_lib(){
662
    log check_lib "$@"
663
    header="$1"
664
    func="$2"
665
    shift 2
666
    temp_extralibs "$@"
667
    check_header $header && check_func $func && add_extralibs "$@"
668
    err=$?
669
    restore_flags
670
    return $err
671
}
672

    
673
check_lib2(){
674
    log check_lib2 "$@"
675
    headers="$1"
676
    func="$2"
677
    shift 2
678
    temp_extralibs "$@"
679
    check_func_headers "$headers" $func && add_extralibs "$@"
680
    err=$?
681
    restore_flags
682
    return $err
683
}
684

    
685
check_exec(){
686
    check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
687
}
688

    
689
check_exec_crash(){
690
    code=$(cat)
691

    
692
    # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
693
    # are safe but may not be available everywhere.  Thus we use
694
    # raise(SIGTERM) instead.  The check is run in a subshell so we
695
    # can redirect the "Terminated" message from the shell.  SIGBUS
696
    # is not defined by standard C so it is used conditionally.
697

    
698
    (check_exec "$@") >> $logfile 2>&1 <<EOF
699
#include <signal.h>
700
static void sighandler(int sig){
701
    raise(SIGTERM);
702
}
703
int main(void){
704
    signal(SIGILL, sighandler);
705
    signal(SIGFPE, sighandler);
706
    signal(SIGSEGV, sighandler);
707
#ifdef SIGBUS
708
    signal(SIGBUS, sighandler);
709
#endif
710
    { $code }
711
}
712
EOF
713
}
714

    
715
check_type(){
716
    log check_type "$@"
717
    headers=$1
718
    type=$2
719
    shift 2
720
    disable $type
721
    incs=""
722
    for hdr in $headers; do
723
        incs="$incs
724
#include <$hdr>"
725
    done
726
    check_cc "$@" <<EOF && enable $type
727
$incs
728
$type v;
729
EOF
730
}
731

    
732
require(){
733
    name="$1"
734
    header="$2"
735
    func="$3"
736
    shift 3
737
    check_lib $header $func "$@" || die "ERROR: $name not found"
738
}
739

    
740
require2(){
741
    name="$1"
742
    headers="$2"
743
    func="$3"
744
    shift 3
745
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
746
}
747

    
748
check_foo_config(){
749
    cfg=$1
750
    pkg=$2
751
    header=$3
752
    func=$4
753
    shift 4
754
    disable $cfg
755
    check_cmd ${pkg}-config --version
756
    err=$?
757
    if test "$err" = 0; then
758
        temp_cflags $(${pkg}-config --cflags)
759
        temp_extralibs $(${pkg}-config --libs)
760
        check_lib "$@" $header $func && enable $cfg
761
    fi
762
    return $err
763
}
764

    
765
apply(){
766
    file=$1
767
    shift
768
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
769
}
770

    
771
# CONFIG_LIST contains configurable options, while HAVE_LIST is for
772
# system-dependent things.
773

    
774
COMPONENT_LIST="
775
    bsfs
776
    decoders
777
    demuxers
778
    encoders
779
    filters
780
    hwaccels
781
    indevs
782
    muxers
783
    outdevs
784
    parsers
785
    protocols
786
"
787

    
788
CONFIG_LIST="
789
    $COMPONENT_LIST
790
    aandct
791
    avfilter
792
    avfilter_lavf
793
    avisynth
794
    beos_netserver
795
    bzlib
796
    fastdiv
797
    ffmpeg
798
    ffplay
799
    ffserver
800
    fft
801
    golomb
802
    gpl
803
    gprof
804
    gray
805
    hardcoded_tables
806
    ipv6
807
    libdc1394
808
    libdirac
809
    libfaac
810
    libfaad
811
    libfaadbin
812
    libgsm
813
    libmp3lame
814
    libnut
815
    libopencore_amrnb
816
    libopencore_amrwb
817
    libopenjpeg
818
    libschroedinger
819
    libspeex
820
    libtheora
821
    libvorbis
822
    libx264
823
    libxvid
824
    mdct
825
    memalign_hack
826
    mlib
827
    mpegaudio_hp
828
    network
829
    nonfree
830
    postproc
831
    powerpc_perf
832
    rdft
833
    runtime_cpudetect
834
    shared
835
    small
836
    static
837
    swscale_alpha
838
    vaapi
839
    vdpau
840
    version3
841
    x11grab
842
    zlib
843
"
844

    
845
THREADS_LIST='
846
    beosthreads
847
    os2threads
848
    pthreads
849
    w32threads
850
'
851

    
852
ARCH_LIST='
853
    alpha
854
    arm
855
    bfin
856
    ia64
857
    m68k
858
    mips
859
    mips64
860
    parisc
861
    ppc
862
    ppc64
863
    s390
864
    sh4
865
    sparc
866
    sparc64
867
    x86
868
    x86_32
869
    x86_64
870
'
871

    
872
ARCH_EXT_LIST='
873
    altivec
874
    amd3dnow
875
    amd3dnowext
876
    armv5te
877
    armv6
878
    armv6t2
879
    armvfp
880
    iwmmxt
881
    mmi
882
    mmx
883
    mmx2
884
    neon
885
    ppc4xx
886
    sse
887
    ssse3
888
    vis
889
'
890

    
891
HAVE_LIST="
892
    $ARCH_EXT_LIST
893
    $THREADS_LIST
894
    alsa_asoundlib_h
895
    altivec_h
896
    arpa_inet_h
897
    bigendian
898
    bswap
899
    closesocket
900
    cmov
901
    conio_h
902
    dcbzl
903
    dev_bktr_ioctl_bt848_h
904
    dev_bktr_ioctl_meteor_h
905
    dev_ic_bt8xx_h
906
    dev_video_meteor_ioctl_meteor_h
907
    dev_video_bktr_ioctl_bt848_h
908
    dlfcn_h
909
    dlopen
910
    dos_paths
911
    ebp_available
912
    ebx_available
913
    fast_64bit
914
    fast_cmov
915
    fast_unaligned
916
    fork
917
    gethrtime
918
    GetProcessTimes
919
    getrusage
920
    inet_aton
921
    inline_asm
922
    ldbrx
923
    libdc1394_1
924
    libdc1394_2
925
    llrint
926
    log2
927
    loongson
928
    lrint
929
    lrintf
930
    lzo1x_999_compress
931
    machine_ioctl_bt848_h
932
    machine_ioctl_meteor_h
933
    malloc_h
934
    memalign
935
    mkstemp
936
    pld
937
    posix_memalign
938
    round
939
    roundf
940
    sdl
941
    sdl_video_size
942
    setmode
943
    socklen_t
944
    soundcard_h
945
    poll_h
946
    sys_mman_h
947
    sys_resource_h
948
    sys_select_h
949
    sys_soundcard_h
950
    sys_videoio_h
951
    ten_operands
952
    termios_h
953
    threads
954
    truncf
955
    VirtualAlloc
956
    winsock2_h
957
    xform_asm
958
    yasm
959
"
960

    
961
# options emitted with CONFIG_ prefix but not available on command line
962
CONFIG_EXTRA="
963
    gplv3
964
    lgplv3
965
"
966

    
967
CMDLINE_SELECT="
968
    $ARCH_EXT_LIST
969
    $CONFIG_LIST
970
    $THREADS_LIST
971
    cross_compile
972
    debug
973
    extra_warnings
974
    logging
975
    optimizations
976
    stripping
977
    yasm
978
"
979

    
980
PATHS_LIST='
981
    bindir
982
    datadir
983
    incdir
984
    libdir
985
    mandir
986
    prefix
987
    shlibdir
988
'
989

    
990
CMDLINE_SET="
991
    $PATHS_LIST
992
    arch
993
    as
994
    build_suffix
995
    cc
996
    cpu
997
    cross_prefix
998
    extra_version
999
    host_cc
1000
    host_cflags
1001
    host_ldflags
1002
    host_libs
1003
    host_os
1004
    ld
1005
    logfile
1006
    nm
1007
    source_path
1008
    sysinclude
1009
    sysroot
1010
    target_exec
1011
    target_os
1012
    target_path
1013
"
1014

    
1015
# code dependency declarations
1016

    
1017
# architecture extensions
1018
altivec_deps="ppc"
1019
amd3dnow_deps="mmx"
1020
amd3dnowext_deps="amd3dnow"
1021
armv5te_deps="arm"
1022
armv6_deps="arm"
1023
armv6t2_deps="arm"
1024
armvfp_deps="arm"
1025
iwmmxt_deps="arm"
1026
mmi_deps="mips"
1027
mmx_deps="x86"
1028
mmx2_deps="mmx"
1029
neon_deps="arm"
1030
ppc4xx_deps="ppc"
1031
sse_deps="mmx"
1032
ssse3_deps="sse"
1033
vis_deps="sparc"
1034

    
1035
# decoders / encoders / hardware accelerators
1036
aac_decoder_select="fft mdct"
1037
ac3_decoder_select="fft mdct"
1038
atrac3_decoder_select="fft mdct"
1039
cavs_decoder_select="golomb"
1040
cook_decoder_select="fft mdct"
1041
cscd_decoder_suggest="zlib"
1042
dca_decoder_select="fft mdct"
1043
dnxhd_encoder_select="aandct"
1044
dxa_decoder_select="zlib"
1045
eac3_decoder_select="fft mdct"
1046
eatgq_decoder_select="aandct"
1047
eatqi_decoder_select="aandct"
1048
ffv1_decoder_select="golomb"
1049
flac_decoder_select="golomb"
1050
flac_encoder_select="golomb"
1051
flashsv_decoder_select="zlib"
1052
flashsv_encoder_select="zlib"
1053
flv_encoder_select="aandct"
1054
h261_encoder_select="aandct"
1055
h263_encoder_select="aandct"
1056
h263_vaapi_hwaccel_deps="va_va_h"
1057
h263_vaapi_hwaccel_select="vaapi h263_decoder"
1058
h263p_encoder_select="aandct"
1059
h264_decoder_select="golomb"
1060
h264_vaapi_hwaccel_deps="va_va_h"
1061
h264_vaapi_hwaccel_select="vaapi"
1062
h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1063
h264_vdpau_decoder_select="vdpau h264_decoder"
1064
imc_decoder_select="fft mdct"
1065
jpegls_decoder_select="golomb"
1066
jpegls_encoder_select="golomb"
1067
ljpeg_encoder_select="aandct"
1068
loco_decoder_select="golomb"
1069
mjpeg_encoder_select="aandct"
1070
mpeg1video_encoder_select="aandct"
1071
mpeg2video_encoder_select="aandct"
1072
mpeg4_encoder_select="aandct"
1073
mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1074
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1075
mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1076
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1077
mpeg2_vaapi_hwaccel_deps="va_va_h"
1078
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1079
mpeg4_vaapi_hwaccel_deps="va_va_h"
1080
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1081
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1082
msmpeg4v1_encoder_select="aandct"
1083
msmpeg4v2_encoder_select="aandct"
1084
msmpeg4v3_encoder_select="aandct"
1085
nellymoser_decoder_select="fft mdct"
1086
nellymoser_encoder_select="fft mdct"
1087
png_decoder_select="zlib"
1088
png_encoder_select="zlib"
1089
qdm2_decoder_select="fft mdct rdft"
1090
rv10_encoder_select="aandct"
1091
rv20_encoder_select="aandct"
1092
rv30_decoder_select="golomb"
1093
rv40_decoder_select="golomb"
1094
shorten_decoder_select="golomb"
1095
sonic_decoder_select="golomb"
1096
sonic_encoder_select="golomb"
1097
sonic_ls_encoder_select="golomb"
1098
svq3_decoder_select="golomb"
1099
svq3_decoder_suggest="zlib"
1100
tiff_decoder_suggest="zlib"
1101
tiff_encoder_suggest="zlib"
1102
tscc_decoder_select="zlib"
1103
vc1_vaapi_hwaccel_deps="va_va_h"
1104
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1105
vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1106
vc1_vdpau_decoder_select="vdpau vc1_decoder"
1107
vorbis_decoder_select="fft mdct"
1108
vorbis_encoder_select="fft mdct"
1109
wmav1_decoder_select="fft mdct"
1110
wmav1_encoder_select="fft mdct"
1111
wmav2_decoder_select="fft mdct"
1112
wmav2_encoder_select="fft mdct"
1113
wmv1_encoder_select="aandct"
1114
wmv2_encoder_select="aandct"
1115
wmv3_vaapi_hwaccel_deps="va_va_h"
1116
wmv3_vaapi_hwaccel_select="vaapi wmv3_decoder"
1117
wmv3_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1118
wmv3_vdpau_decoder_select="vdpau wmv3_decoder"
1119
zlib_decoder_select="zlib"
1120
zlib_encoder_select="zlib"
1121
zmbv_decoder_select="zlib"
1122
zmbv_encoder_select="zlib"
1123

    
1124
# parsers
1125
h264_parser_select="golomb"
1126

    
1127
# external libraries
1128
libdirac_decoder_deps="libdirac !libschroedinger"
1129
libdirac_encoder_deps="libdirac"
1130
libfaac_encoder_deps="libfaac"
1131
libfaad_decoder_deps="libfaad"
1132
libfaadbin_decoder_extralibs='$ldl'
1133
libgsm_decoder_deps="libgsm"
1134
libgsm_encoder_deps="libgsm"
1135
libgsm_ms_decoder_deps="libgsm"
1136
libgsm_ms_encoder_deps="libgsm"
1137
libmp3lame_encoder_deps="libmp3lame"
1138
libopencore_amrnb_decoder_deps="libopencore_amrnb"
1139
libopencore_amrnb_encoder_deps="libopencore_amrnb"
1140
libopencore_amrwb_decoder_deps="libopencore_amrwb"
1141
libopenjpeg_decoder_deps="libopenjpeg"
1142
libschroedinger_decoder_deps="libschroedinger"
1143
libschroedinger_encoder_deps="libschroedinger"
1144
libspeex_decoder_deps="libspeex"
1145
libtheora_encoder_deps="libtheora"
1146
libvorbis_encoder_deps="libvorbis"
1147
libx264_encoder_deps="libx264"
1148
libxvid_encoder_deps="libxvid"
1149

    
1150
# demuxers / muxers
1151
ac3_demuxer_deps="ac3_parser"
1152
avisynth_demuxer_deps="avisynth"
1153
dirac_demuxer_deps="dirac_parser"
1154
libnut_demuxer_deps="libnut"
1155
libnut_muxer_deps="libnut"
1156
matroska_demuxer_suggest="zlib bzlib"
1157
mov_demuxer_suggest="zlib"
1158
mp3_demuxer_deps="mpegaudio_parser"
1159
redir_demuxer_deps="network"
1160
rtp_muxer_deps="network rtp_protocol"
1161
rtsp_demuxer_deps="sdp_demuxer"
1162
sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1163

    
1164
# indevs / outdevs
1165
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1166
alsa_indev_extralibs="-lasound"
1167
alsa_outdev_deps="alsa_asoundlib_h"
1168
alsa_outdev_extralibs="-lasound"
1169
audio_beos_indev_deps="audio_beos"
1170
audio_beos_indev_extralibs="-lmedia -lbe"
1171
audio_beos_outdev_deps="audio_beos"
1172
audio_beos_outdev_extralibs="-lmedia -lbe"
1173
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1174
dv1394_indev_deps="dv1394 dv_demuxer"
1175
jack_indev_deps="jack_jack_h"
1176
jack_indev_extralibs="-ljack"
1177
libdc1394_indev_deps="libdc1394"
1178
oss_indev_deps_any="soundcard_h sys_soundcard_h"
1179
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1180
v4l_indev_deps="linux_videodev_h"
1181
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1182
vfwcap_indev_deps="capCreateCaptureWindow"
1183
vfwcap_indev_extralibs="-lvfw32"
1184
x11_grab_device_indev_deps="x11grab XShmCreateImage"
1185
x11_grab_device_indev_extralibs="-lX11 -lXext"
1186

    
1187
# protocols
1188
gopher_protocol_deps="network"
1189
http_protocol_deps="network"
1190
rtp_protocol_deps="udp_protocol"
1191
tcp_protocol_deps="network"
1192
udp_protocol_deps="network"
1193

    
1194
# filters
1195
movie_filter_deps="avfilter_lavf"
1196

    
1197
# programs
1198
ffplay_deps="sdl"
1199
ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1200
ffserver_extralibs='$ldl'
1201

    
1202

    
1203
# default parameters
1204

    
1205
logfile="config.err"
1206

    
1207
# installation paths
1208
prefix_default="/usr/local"
1209
bindir_default='${prefix}/bin'
1210
datadir_default='${prefix}/share/ffmpeg'
1211
incdir_default='${prefix}/include'
1212
libdir_default='${prefix}/lib'
1213
mandir_default='${prefix}/share/man'
1214
shlibdir_default="$libdir_default"
1215

    
1216
# toolchain
1217
ar="ar"
1218
cc_default="gcc"
1219
host_cc_default="gcc"
1220
ln_s="ln -sf"
1221
nm_default="nm"
1222
objformat="elf"
1223
ranlib="ranlib"
1224
strip="strip"
1225
yasmexe="yasm"
1226

    
1227
# machine
1228
arch=$(uname -m)
1229
cpu="generic"
1230

    
1231
# OS
1232
target_os=$(tolower $(uname -s))
1233
host_os=$target_os
1234

    
1235
# configurable options
1236
enable debug
1237
enable fastdiv
1238
enable ffmpeg
1239
enable ffplay
1240
enable ffserver
1241
enable ipv6
1242
enable mpegaudio_hp
1243
enable network
1244
enable optimizations
1245
enable protocols
1246
enable static
1247
enable stripping
1248
enable swscale_alpha
1249

    
1250
# build settings
1251
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1252
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1253
FFSERVERLDFLAGS=-Wl,-E
1254
LIBPREF="lib"
1255
LIBSUF=".a"
1256
FULLNAME='$(NAME)$(BUILDSUF)'
1257
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1258
SLIBPREF="lib"
1259
SLIBSUF=".so"
1260
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1261
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1262
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1263
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1264

    
1265
host_cflags='-O3 -g -Wall'
1266
host_libs='-lm'
1267

    
1268
target_path='.'
1269

    
1270
# gcc stupidly only outputs the basename of targets with -MM, but we need the
1271
# full relative path for objects in subdirectories for non-recursive Make.
1272
DEPEND_CMD='$(CC) $(CPPFLAGS) -MM $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1273

    
1274
# find source path
1275
source_path="$(dirname "$0")"
1276
enable source_path_used
1277
if test -z "$source_path" -o "$source_path" = "." ; then
1278
    source_path="$(pwd)"
1279
    disable source_path_used
1280
else
1281
    source_path="$(cd "$source_path"; pwd)"
1282
    echo "$source_path" | grep -q '[[:blank:]]' &&
1283
        die "Out of tree builds are impossible with whitespace in source path."
1284
    test -e "$source_path/config.h" &&
1285
        die "Out of tree builds are impossible with config.h in source dir."
1286
fi
1287

    
1288
for v in "$@"; do
1289
    r=${v#*=}
1290
    l=${v%"$r"}
1291
    r=$(sh_quote "$r")
1292
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1293
done
1294

    
1295
find_things(){
1296
    thing=$1
1297
    pattern=$2
1298
    file=$source_path/$3
1299
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1300
}
1301

    
1302
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1303
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1304
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1305
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1306
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1307
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1308
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1309
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1310
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1311
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1312
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1313

    
1314
enable $ARCH_EXT_LIST \
1315
       $DECODER_LIST \
1316
       $ENCODER_LIST \
1317
       $HWACCEL_LIST \
1318
       $PARSER_LIST \
1319
       $BSF_LIST \
1320
       $DEMUXER_LIST \
1321
       $MUXER_LIST \
1322
       $FILTER_LIST \
1323
       $PROTOCOL_LIST \
1324
       $INDEV_LIST \
1325
       $OUTDEV_LIST \
1326

    
1327
die_unknown(){
1328
    echo "Unknown option \"$1\"."
1329
    echo "See $0 --help for available options."
1330
    exit 1
1331
}
1332

    
1333
show_list() {
1334
    suffix=_$1
1335
    shift
1336
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1337
    exit 0
1338
}
1339

    
1340
for opt do
1341
    optval="${opt#*=}"
1342
    case "$opt" in
1343
    --extra-cflags=*) add_cflags $optval
1344
    ;;
1345
    --extra-ldflags=*) add_ldflags $optval
1346
    ;;
1347
    --extra-libs=*) add_extralibs $optval
1348
    ;;
1349
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1350
    ;;
1351
    --enable-debug=*) debuglevel="$optval"
1352
    ;;
1353
    --enable-*=*|--disable-*=*)
1354
    eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
1355
    case "$thing" in
1356
        encoder|decoder|hwaccel|muxer|demuxer|indev|outdev|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1357
        *) die_unknown "$opt" ;;
1358
    esac
1359
    ;;
1360
    --enable-?*|--disable-?*)
1361
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1362
    if is_in $option $COMPONENT_LIST; then
1363
        test $action = disable && action=unset
1364
        eval $action \$$(toupper ${option%s})_LIST
1365
    elif is_in $option $CMDLINE_SELECT; then
1366
        $action $option
1367
    else
1368
        die_unknown $opt
1369
    fi
1370
    ;;
1371
    --list-*)
1372
        NAME="${opt#--list-}"
1373
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1374
        NAME=${NAME%s}
1375
        eval show_list $NAME \$$(toupper $NAME)_LIST
1376
    ;;
1377
    --help|-h) show_help
1378
    ;;
1379
    *)
1380
    optname="${opt%%=*}"
1381
    optname="${optname#--}"
1382
    optname=$(echo "$optname" | sed 's/-/_/g')
1383
    is_in $optname $CMDLINE_SET || die_unknown $opt
1384
    eval $optname='$optval'
1385
    ;;
1386
    esac
1387
done
1388

    
1389
disabled logging && logfile=/dev/null
1390

    
1391
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1392
set >> $logfile
1393

    
1394
test -n "$cross_prefix" && enable cross_compile
1395

    
1396
ar="${cross_prefix}${ar}"
1397
cc_default="${cross_prefix}${cc_default}"
1398
nm_default="${cross_prefix}${nm_default}"
1399
ranlib="${cross_prefix}${ranlib}"
1400
strip="${cross_prefix}${strip}"
1401

    
1402
sysinclude_default="${sysroot}/usr/include"
1403

    
1404
set_default cc nm sysinclude
1405
as_default=$cc
1406
enabled cross_compile || host_cc_default=$cc
1407
set_default host_cc
1408

    
1409
exesuf() {
1410
    case $1 in
1411
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1412
    esac
1413
}
1414

    
1415
EXESUF=$(exesuf $target_os)
1416
HOSTEXESUF=$(exesuf $host_os)
1417

    
1418
# set temporary file name
1419
: ${TMPDIR:=$TEMPDIR}
1420
: ${TMPDIR:=$TMP}
1421
: ${TMPDIR:=/tmp}
1422

    
1423
if ! check_cmd type mktemp; then
1424
    # simple replacement for missing mktemp
1425
    # NOT SAFE FOR GENERAL USE
1426
    mktemp(){
1427
        echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1428
    }
1429
fi
1430

    
1431
tmpfile(){
1432
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1433
        (set -C; exec > $tmp) 2>/dev/null ||
1434
        die "Unable to create temoporary file in $TMPDIR."
1435
    append TMPFILES $tmp
1436
    eval $1=$tmp
1437
}
1438

    
1439
trap 'rm -f -- $TMPFILES' EXIT
1440
trap exit HUP INT TERM
1441

    
1442
tmpfile TMPC  .c
1443
tmpfile TMPE  $EXESUF
1444
tmpfile TMPH  .h
1445
tmpfile TMPO  .o
1446
tmpfile TMPS  .S
1447
tmpfile TMPSH .sh
1448

    
1449
unset -f mktemp
1450

    
1451
# make sure we can execute files in $TMPDIR
1452
cat > $TMPSH 2>> $logfile <<EOF
1453
#! /bin/sh
1454
EOF
1455
chmod +x $TMPSH >> $logfile 2>&1
1456
if ! $TMPSH >> $logfile 2>&1; then
1457
    cat <<EOF
1458
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1459
variable to another directory and make sure that it is not mounted noexec.
1460
EOF
1461
    die "Sanity test failed."
1462
fi
1463

    
1464
if   $cc --version 2>/dev/null | grep -qi gcc; then
1465
    cc_type=gcc
1466
elif $cc --version 2>/dev/null | grep -q Intel; then
1467
    cc_type=icc
1468
elif $cc -v 2>&1 | grep -q xlc; then
1469
    cc_type=xlc
1470
elif $cc -V 2>/dev/null | grep -q Compaq; then
1471
    cc_type=ccc
1472
    DEPEND_CMD='$(CC) $(CPPFLAGS) -M $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1473
    debuglevel=3
1474
    add_ldflags -Wl,-z,now # calls to libots crash without this
1475
elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1476
    test -d "$sysroot" || die "No valid sysroot specified."
1477
    cc_type=armcc
1478
    armcc_conf="$PWD/armcc.conf"
1479
    $cc --arm_linux_configure                 \
1480
        --arm_linux_config_file="$armcc_conf" \
1481
        --configure_sysroot="$sysroot"        \
1482
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1483
        die "Error creating armcc configuration file."
1484
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1485
    as_default="${cross_prefix}gcc"
1486
fi
1487

    
1488
test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1489

    
1490
: ${ld_default:=$cc}
1491
set_default as ld
1492

    
1493
if test -n "$sysroot"; then
1494
    case "$cc_type" in
1495
        gcc)
1496
            add_cppflags --sysroot="$sysroot"
1497
            add_ldflags --sysroot="$sysroot"
1498
        ;;
1499
    esac
1500
fi
1501

    
1502
# compiler sanity check
1503
check_exec <<EOF
1504
int main(void){ return 0; }
1505
EOF
1506
if test "$?" != 0; then
1507
    echo "$cc is unable to create an executable file."
1508
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
1509
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1510
        echo "Only do this if you know what cross compiling means."
1511
    fi
1512
    die "C compiler test failed."
1513
fi
1514

    
1515
check_cflags -std=c99
1516
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1517
#include <stdlib.h>
1518
EOF
1519
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
1520
#include <stdlib.h>
1521
EOF
1522

    
1523
case "$arch" in
1524
    alpha)
1525
        arch="alpha"
1526
        enable fast_64bit
1527
        check_cflags -mieee
1528
    ;;
1529
    arm|armv[4567]*l)
1530
        arch="arm"
1531
    ;;
1532
    avr32)
1533
    ;;
1534
    bfin)
1535
        arch="bfin"
1536
    ;;
1537
    ia64)
1538
        arch="ia64"
1539
        enable fast_64bit
1540
    ;;
1541
    m68k)
1542
        arch="m68k"
1543
    ;;
1544
    mips|mipsel|IP*)
1545
        arch="mips"
1546
    ;;
1547
    mips64)
1548
        arch="mips"
1549
        subarch="mips64"
1550
        enable fast_64bit
1551
    ;;
1552
    parisc|hppa)
1553
        arch="parisc"
1554
    ;;
1555
    parisc64|hppa64)
1556
        arch="parisc"
1557
        enable fast_64bit
1558
    ;;
1559
    "Power Macintosh"|ppc|powerpc)
1560
        arch="ppc"
1561
        enable fast_unaligned
1562
    ;;
1563
    ppc64)
1564
        arch="ppc"
1565
        subarch="ppc64"
1566
        enable fast_64bit
1567
        enable fast_unaligned
1568
    ;;
1569
    s390|s390x)
1570
        arch="s390"
1571
    ;;
1572
    sh4|sh)
1573
        arch="sh4"
1574
    ;;
1575
    sparc)
1576
        arch="sparc"
1577
    ;;
1578
    sun4u|sparc64)
1579
        arch="sparc"
1580
        subarch="sparc64"
1581
        enable fast_64bit
1582
    ;;
1583
    i386|i486|i586|i686|i86pc|BePC)
1584
        arch="x86"
1585
        subarch="x86_32"
1586
        enable fast_unaligned
1587
    ;;
1588
    x86_64|amd64)
1589
        arch="x86"
1590
        subarch="x86_32"
1591
        enable cmov
1592
        enable fast_cmov
1593
        enable fast_unaligned
1594
        check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1595
        int test[sizeof(char*) - 7];
1596
EOF
1597
    ;;
1598
    *)
1599
        arch="unknown"
1600
    ;;
1601
esac
1602

    
1603
enable $arch $subarch
1604

    
1605
# OS specific
1606
case $target_os in
1607
    beos|haiku|zeta)
1608
        prefix_default="$HOME/config"
1609
        # helps building libavcodec
1610
        add_cppflags -DPIC
1611
        add_cflags -fomit-frame-pointer
1612
        # 3 gcc releases known for BeOS, each with ugly bugs
1613
        gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1614
        case "$gcc_version" in
1615
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1616
            disable mmx
1617
            ;;
1618
          *20010315*) echo "BeBits gcc"
1619
            add_cflags -fno-expensive-optimizations
1620
            ;;
1621
        esac
1622
        SHFLAGS=-nostart
1623
        # enable BeOS things
1624
        enable audio_beos
1625
        # no need for libm, but the inet stuff
1626
        # Check for BONE
1627
        # XXX: actually should check for NOT net_server
1628
        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1629
            network_extralibs="-lbind -lsocket"
1630
        else
1631
            enable beos_netserver
1632
            network_extralibs="-lnet"
1633
        fi ;;
1634
    sunos)
1635
        FFSERVERLDFLAGS=""
1636
        SHFLAGS='-shared -Wl,-h,$$(@F)'
1637
        network_extralibs="-lsocket -lnsl"
1638
        add_cppflags -D__EXTENSIONS__
1639
        ;;
1640
    netbsd)
1641
        oss_indev_extralibs="-lossaudio"
1642
        oss_outdev_extralibs="-lossaudio"
1643
        ;;
1644
    openbsd)
1645
        disable need_memalign
1646
        LIBOBJFLAGS='$(PIC)'
1647
        SHFLAGS='-shared'
1648
        oss_indev_extralibs="-lossaudio"
1649
        oss_outdev_extralibs="-lossaudio"
1650
        ;;
1651
    freebsd|dragonfly)
1652
        disable need_memalign
1653
        ;;
1654
    bsd/os)
1655
        osextralibs="-lpoll -lgnugetopt"
1656
        strip="strip -d"
1657
        ;;
1658
    darwin)
1659
        disable need_memalign
1660
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1661
        strip="strip -x"
1662
        FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1663
        SLIBSUF=".dylib"
1664
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1665
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1666
        FFSERVERLDFLAGS=-Wl,-bind_at_load
1667
        objformat="macho"
1668
        enabled x86_64 && objformat="macho64"
1669
        ;;
1670
    mingw32*)
1671
        target_os=mingw32
1672
        LIBTARGET=i386
1673
        if enabled x86_64; then
1674
            disable need_memalign
1675
            LIBTARGET=x64
1676
        fi
1677
        shlibdir_default="$bindir_default"
1678
        disable ffserver
1679
        SLIBPREF=""
1680
        SLIBSUF=".dll"
1681
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1682
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1683
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1684
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1685
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1686
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1687
        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'
1688
        objformat="win32"
1689
        enable dos_paths
1690
        check_cflags -fno-common
1691
        if ! enabled x86_64; then
1692
            check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1693
                die "ERROR: MinGW runtime version must be >= 3.15."
1694
            enabled_any avisynth vfwcap_demuxer &&
1695
                { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1696
                  die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1697
            fi
1698
        ;;
1699
    cygwin*)
1700
        target_os=cygwin
1701
        shlibdir_default="$bindir_default"
1702
        SLIBPREF="cyg"
1703
        SLIBSUF=".dll"
1704
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1705
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1706
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
1707
        objformat="win32"
1708
        enable dos_paths
1709
        check_cflags -fno-common
1710
        ;;
1711
    *-dos|freedos|opendos)
1712
        disable ffplay ffserver
1713
        disable $INDEV_LIST $OUTDEV_LIST
1714
        network_extralibs="-lsocket"
1715
        objformat="coff"
1716
        enable dos_paths
1717
        ;;
1718
    linux)
1719
        enable dv1394
1720
        ;;
1721
    irix*)
1722
        target_os=irix
1723
        ranlib="echo ignoring ranlib"
1724
        ;;
1725
    os/2*)
1726
        strip="lxlite"
1727
        ln_s="cp -f"
1728
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1729
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1730
        FFSERVERLDFLAGS=""
1731
        LIBSUF="_s.a"
1732
        SLIBPREF=""
1733
        SLIBSUF=".dll"
1734
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1735
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1736
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1737
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1738
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1739
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1740
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1741
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1742
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1743
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1744
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1745
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1746
        enable dos_paths
1747
        ;;
1748
    gnu/kfreebsd)
1749
        ;;
1750
    gnu)
1751
        ;;
1752

    
1753
    *)
1754
        die "Unknown OS '$target_os'."
1755
        ;;
1756
esac
1757

    
1758
set_default $PATHS_LIST
1759

    
1760
add_extralibs $osextralibs
1761

    
1762
# Combine FFLDFLAGS and the LDFLAGS environment variable.
1763
LDFLAGS="$FFLDFLAGS $LDFLAGS"
1764

    
1765
# we need to build at least one lib type
1766
if ! enabled_any static shared; then
1767
    cat <<EOF
1768
At least one library type must be built.
1769
Specify --enable-static to build the static libraries or --enable-shared to
1770
build the shared libraries as well. To only build the shared libraries specify
1771
--disable-static in addition to --enable-shared.
1772
EOF
1773
    exit 1;
1774
fi
1775

    
1776
disabled static && LIBNAME=""
1777

    
1778
if enabled_any libfaad libfaadbin ; then
1779
    if check_header faad.h; then
1780
        check_cc <<EOF
1781
#include <faad.h>
1782
#ifndef FAAD2_VERSION
1783
ok faad1
1784
#endif
1785
int main(void) { return 0; }
1786
EOF
1787
        test $? = 0 && enable libfaad2
1788
    else
1789
        die "FAAD test failed."
1790
    fi
1791
fi
1792

    
1793

    
1794
die_license_disabled() {
1795
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
1796
}
1797

    
1798
die_license_disabled gpl libfaad2
1799
die_license_disabled gpl libx264
1800
die_license_disabled gpl libxvid
1801
die_license_disabled gpl postproc
1802
die_license_disabled gpl x11grab
1803

    
1804
die_license_disabled nonfree libfaac
1805

    
1806
die_license_disabled version3 libopencore_amrnb
1807
die_license_disabled version3 libopencore_amrwb
1808

    
1809
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
1810

    
1811
check_deps $ARCH_EXT_LIST
1812

    
1813
test -z "$need_memalign" && need_memalign="$mmx"
1814

    
1815
#Darwin CC versions
1816
if test $target_os = darwin; then
1817
    if enabled xlc; then
1818
        add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1819
    else
1820
        add_cflags -pipe
1821
        check_cflags -force_cpusubtype_ALL
1822
        check_cflags -Wno-sign-compare
1823
        enabled shared || check_cflags -mdynamic-no-pic
1824
    fi
1825
fi
1826

    
1827
disabled optimizations || check_cflags -fomit-frame-pointer
1828

    
1829
# Add processor-specific flags
1830
if test $cpu != "generic"; then
1831
    warn_altivec(){
1832
        $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1833
    }
1834
    case $cpu in
1835
        601|ppc601|PowerPC601)
1836
            add_cflags -mcpu=601
1837
            warn_altivec enabled PPC601
1838
        ;;
1839
        603*|ppc603*|PowerPC603*)
1840
            add_cflags -mcpu=603
1841
            warn_altivec enabled PPC603
1842
        ;;
1843
        604*|ppc604*|PowerPC604*)
1844
            add_cflags -mcpu=604
1845
            warn_altivec enabled PPC604
1846
        ;;
1847
        G3|g3|75*|ppc75*|PowerPC75*)
1848
            add_cflags -mcpu=750 -mpowerpc-gfxopt
1849
            warn_altivec enabled PPC75x
1850
        ;;
1851
        G4|g4|745*|ppc745*|PowerPC745*)
1852
            add_cflags -mcpu=7450 -mpowerpc-gfxopt
1853
            warn_altivec disabled PPC745x
1854
        ;;
1855
        74*|ppc74*|PowerPC74*)
1856
            add_cflags -mcpu=7400 -mpowerpc-gfxopt
1857
            warn_altivec disabled PPC74xx
1858
        ;;
1859
        G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1860
            add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
1861
            warn_altivec disabled PPC970
1862
        ;;
1863
        Cell|CELL|cell)
1864
            add_cflags -mcpu=cell
1865
            warn_altivec disabled Cell
1866
            enable ldbrx
1867
        ;;
1868
        # targets that do NOT support conditional mov (cmov)
1869
        i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1870
            add_cflags -march=$cpu
1871
            disable cmov
1872
        ;;
1873
        # targets that do support conditional mov (cmov)
1874
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1875
            add_cflags -march=$cpu
1876
            enable cmov
1877
            enable fast_cmov
1878
        ;;
1879
        # targets that do support conditional mov but on which it's slow
1880
        pentium4|pentium4m|prescott|nocona)
1881
            add_cflags -march=$cpu
1882
            enable cmov
1883
            disable fast_cmov
1884
        ;;
1885
        sparc64)
1886
            add_cflags -mcpu=v9
1887
        ;;
1888
        arm11*|cortex*)
1889
            add_cflags -mcpu=$cpu
1890
            enable fast_unaligned
1891
        ;;
1892
        armv[67]*)
1893
            add_cflags -march=$cpu
1894
            enable fast_unaligned
1895
        ;;
1896
        armv*)
1897
            add_cflags -march=$cpu
1898
        ;;
1899
        arm*)
1900
            add_cflags -mcpu=$cpu
1901
        ;;
1902
        ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1903
            enabled ccc && add_cflags -arch $cpu || add_cflags -mcpu=$cpu
1904
        ;;
1905
        bf*)
1906
            add_cflags -mcpu=$cpu
1907
        ;;
1908
        mips*|[45]k*|[237]4k*|m4k|r*000|loongson2[ef])
1909
            add_cflags -march=$cpu
1910
        ;;
1911
        *)
1912
            echo "WARNING: Unknown CPU \"$cpu\", ignored."
1913
        ;;
1914
    esac
1915
fi
1916

    
1917
check_cc <<EOF || die "Symbol mangling check failed."
1918
int ff_extern;
1919
EOF
1920
sym=$($nm -P -g $TMPO | grep ff_extern)
1921
extern_prefix=${sym%%ff_extern*}
1922

    
1923
check_cc <<EOF && enable inline_asm
1924
void foo(void) { __asm__ volatile ("" ::); }
1925
EOF
1926

    
1927
if enabled x86; then
1928
    # check whether EBP is available on x86
1929
    # As 'i' is stored on the stack, this program will crash
1930
    # if the base pointer is used to access it because the
1931
    # base pointer is cleared in the inline assembly code.
1932
    check_exec_crash <<EOF && enable ebp_available
1933
    volatile int i=0;
1934
    __asm__ volatile (
1935
        "xorl %%ebp, %%ebp"
1936
    ::: "%ebp");
1937
    return i;
1938
EOF
1939

    
1940
    # check wether EBX is available on x86
1941
    check_asm ebx_available '"":::"%ebx"'
1942

    
1943
    # check whether more than 10 operands are supported
1944
    check_cc <<EOF && enable ten_operands
1945
int main(void) {
1946
    int x=0;
1947
    __asm__ volatile(
1948
        ""
1949
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
1950
    );
1951
    return 0;
1952
}
1953
EOF
1954

    
1955
    # check whether binutils is new enough to compile SSSE3/MMX2
1956
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1957
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
1958

    
1959
    check_asm bswap '"bswap %%eax" ::: "%eax"'
1960

    
1961
    YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
1962
    enabled     x86_64        && append YASMFLAGS "-m amd64"
1963
    enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1964
    case "$objformat" in
1965
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1966
        macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
1967
        *)                    append YASMFLAGS "-DPREFIX"  ;;
1968
    esac
1969
    disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
1970
fi
1971

    
1972
# check for assembler specific support
1973

    
1974
enabled mips && check_asm loongson '"dmult.g $1, $2, $3"'
1975

    
1976
enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
1977
enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
1978
enabled ppc && check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
1979

    
1980
# check for SIMD availability
1981

    
1982
# AltiVec flags: The FSF version of GCC differs from the Apple version
1983
if enabled altivec; then
1984
    check_cflags -maltivec -mabi=altivec &&
1985
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1986
        check_cflags -faltivec
1987

    
1988
    # check if our compiler supports Motorola AltiVec C API
1989
    check_cc <<EOF || disable altivec
1990
$inc_altivec_h
1991
int main(void) {
1992
    vector signed int v1, v2, v3;
1993
    v1 = vec_add(v2,v3);
1994
    return 0;
1995
}
1996
EOF
1997

    
1998
    # check if our compiler supports braces for vector declarations
1999
    check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2000
$inc_altivec_h
2001
int main (void) { (vector int) {1}; return 0; }
2002
EOF
2003
fi
2004

    
2005
# We have to check if pld is a nop and disable it.
2006
enabled arm     && check_asm pld     '"pld [r0]"'
2007
enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2008
enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2009
enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2010
enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2011
enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2012
enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2013
enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2014
enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
2015

    
2016
enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2017

    
2018
# ---
2019
# big/little-endian test
2020
check_cc <<EOF || die "endian test failed"
2021
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2022
EOF
2023
od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2024

    
2025
# ---
2026
# check availability of some header files
2027

    
2028
if check_func dlopen; then
2029
    ldl=
2030
elif check_func dlopen -ldl; then
2031
    ldl=-ldl
2032
fi
2033

    
2034
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2035
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2036

    
2037
check_func  fork
2038
check_func  gethrtime
2039
check_func  getrusage
2040
check_func  inet_aton $network_extralibs
2041
check_func  memalign
2042
check_func  mkstemp
2043
check_func  posix_memalign
2044
check_func_headers io.h setmode
2045
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2046
check_func_headers windows.h GetProcessTimes
2047
check_func_headers windows.h VirtualAlloc
2048

    
2049
check_header conio.h
2050
check_header dlfcn.h
2051
check_header malloc.h
2052
check_header poll.h
2053
check_header sys/mman.h
2054
check_header sys/resource.h
2055
check_header sys/select.h
2056
check_header termios.h
2057
check_header vdpau/vdpau.h
2058
check_header vdpau/vdpau_x11.h
2059
check_header X11/extensions/XvMClib.h
2060

    
2061
if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
2062
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2063
fi
2064

    
2065
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2066
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2067

    
2068
# check for some common methods of building with pthread support
2069
# do this before the optional library checks as some of them require pthreads
2070
if enabled pthreads; then
2071
    if check_func pthread_create; then
2072
        :
2073
    elif check_func pthread_create -pthread; then
2074
        add_cflags -pthread
2075
        add_extralibs -pthread
2076
    elif check_func pthread_create -pthreads; then
2077
        add_cflags -pthreads
2078
        add_extralibs -pthreads
2079
    elif check_func pthread_create -lpthreadGC2; then
2080
        add_extralibs -lpthreadGC2
2081
    elif ! check_lib pthread.h pthread_create -lpthread; then
2082
        die "ERROR: can't find pthreads library"
2083
    fi
2084
fi
2085

    
2086
for thread in $THREADS_LIST; do
2087
    if enabled $thread; then
2088
        test -n "$thread_type" &&
2089
            die "ERROR: Only one thread type must be selected." ||
2090
            thread_type="$thread"
2091
    fi
2092
done
2093

    
2094
check_lib math.h sin -lm
2095
check_lib va/va.h vaInitialize -lva
2096

    
2097
# test for C99 functions in math.h
2098
for func in llrint log2 lrint lrintf round roundf truncf; do
2099
    check_exec <<EOF && enable $func || disable $func
2100
#include <math.h>
2101
int main(void) { return ($func(3.999f) > 0)?0:1; }
2102
EOF
2103
done
2104

    
2105
# these are off by default, so fail if requested and not available
2106
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2107
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2108
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2109
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
2110
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2111
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2112
enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
2113
enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2114
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2115
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2116
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2117
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2118
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2119
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2120
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2121
enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
2122
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2123
enabled libx264    && require  libx264 x264.h x264_encoder_open -lx264 -lm &&
2124
                      { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2125
                        die "ERROR: libx264 version must be >= 0.65."; }
2126
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2127
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2128

    
2129
# libdc1394 check
2130
if enabled libdc1394; then
2131
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2132
        enable libdc1394_2; } ||
2133
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2134
        enable libdc1394_1; } ||
2135
    die "ERROR: No version of libdc1394 found "
2136
fi
2137

    
2138

    
2139
_restrict=
2140
for restrict_keyword in restrict __restrict__ __restrict; do
2141
    check_cc <<EOF && _restrict=$restrict_keyword && break
2142
void foo(char * $restrict_keyword p);
2143
EOF
2144
done
2145

    
2146
##########################################
2147
# SDL check
2148

    
2149
disable sdl_too_old
2150
disable sdl
2151
SDL_CONFIG="${cross_prefix}sdl-config"
2152
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2153
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2154
    temp_cflags $sdl_cflags
2155
    temp_extralibs $("${SDL_CONFIG}" --libs)
2156
    if check_lib2 SDL.h SDL_Init; then
2157
        _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2158
        if test "$_sdlversion" -lt 121 ; then
2159
            enable sdl_too_old
2160
        else
2161
            enable sdl
2162
            check_cc $sdl_cflags <<EOF && enable sdl_video_size
2163
#include <SDL.h>
2164
int main(int argc, char **argv){
2165
    const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2166
    int w = vi->current_w;
2167
    return 0;
2168
}
2169
EOF
2170
        fi
2171
    fi
2172
    restore_flags
2173
fi
2174

    
2175
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2176

    
2177
##########################################
2178
# Network check
2179

    
2180
if enabled network; then
2181
    check_type "sys/types.h sys/socket.h" socklen_t
2182
    # Prefer arpa/inet.h over winsock2
2183
    if check_header arpa/inet.h ; then
2184
        check_func closesocket
2185
    elif check_header winsock2.h ; then
2186
        network_extralibs="-lws2_32"
2187
        check_type ws2tcpip.h socklen_t
2188
        check_func_headers winsock2.h closesocket
2189
    else
2190
        disable network
2191
    fi
2192
fi
2193

    
2194
##########################################
2195
# IPv6 check
2196

    
2197
enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
2198
#include <sys/types.h>
2199
#include <sys/socket.h>
2200
#include <netinet/in.h>
2201
#include <netdb.h>
2202
int main(void) {
2203
    struct sockaddr_storage saddr;
2204
    struct ipv6_mreq mreq6;
2205
    getaddrinfo(0,0,0,0);
2206
    getnameinfo(0,0,0,0,0,0,0);
2207
    IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2208
}
2209
EOF
2210

    
2211
check_header linux/videodev.h
2212
check_header linux/videodev2.h
2213
check_header sys/videoio.h
2214

    
2215
check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2216

    
2217
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2218
{ check_header dev/bktr/ioctl_meteor.h &&
2219
  check_header dev/bktr/ioctl_bt848.h; } ||
2220
{ check_header machine/ioctl_meteor.h &&
2221
  check_header machine/ioctl_bt848.h; } ||
2222
{ check_header dev/video/meteor/ioctl_meteor.h &&
2223
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2224
check_header dev/ic/bt8xx.h
2225

    
2226
check_header sys/soundcard.h
2227
check_header soundcard.h
2228

    
2229
enabled alsa_demuxer || enabled alsa_muxer && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2230

    
2231
enabled jack_demuxer && check_lib2 jack/jack.h jack_client_open -ljack
2232

    
2233
# deal with the X11 frame grabber
2234
enabled x11grab                         &&
2235
check_header X11/Xlib.h                 &&
2236
check_header X11/extensions/XShm.h      &&
2237
check_func XOpenDisplay -lX11           &&
2238
check_func XShmCreateImage -lX11 -lXext
2239

    
2240
enabled debug && add_cflags -g"$debuglevel"
2241

    
2242
# add some useful compiler flags if supported
2243
check_cflags -Wdeclaration-after-statement
2244
check_cflags -Wall
2245
check_cflags -Wno-switch
2246
check_cflags -Wdisabled-optimization
2247
check_cflags -Wpointer-arith
2248
check_cflags -Wredundant-decls
2249
check_cflags -Wno-pointer-sign
2250
check_cflags -Wcast-qual
2251
check_cflags -Wwrite-strings
2252
check_cflags -Wtype-limits
2253
check_cflags -Wundef
2254
enabled extra_warnings && check_cflags -Winline
2255

    
2256
# add some linker flags
2257
check_ldflags -Wl,--warn-common
2258
check_ldflags -Wl,--as-needed
2259
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'
2260
check_ldflags -Wl,-Bsymbolic
2261

    
2262
if enabled small; then
2263
    check_cflags -Os            # not all compilers support -Os
2264
    optimizations="small"
2265
elif enabled optimizations; then
2266
    if enabled xlc; then
2267
        add_cflags  -O5
2268
        add_ldflags -O5
2269
    elif enabled ccc; then
2270
        add_cflags -fast
2271
    else
2272
        add_cflags -O3
2273
    fi
2274
fi
2275
check_cflags -fno-math-errno
2276
check_cflags -fno-signed-zeros
2277

    
2278
# add some flags for Intel C Compiler
2279
if enabled icc; then
2280
    # Just warnings, no remarks
2281
    check_cflags -w1
2282
    # -wd: Disable following warnings
2283
    # 144, 167, 556: -Wno-pointer-sign
2284
    # 10006: ignoring unknown option -fno-signed-zeros
2285
    # 10156: ignoring option '-W'; no argument required
2286
    check_cflags -wd144,167,556,10006,10156
2287
    # 11030: Warning unknown option --as-needed
2288
    # 10156: ignoring option '-export'; no argument required
2289
    check_ldflags -wd10156,11030
2290
    # Allow to compile with optimizations
2291
    check_ldflags -march=$cpu
2292
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2293
    enable ebp_available
2294
elif enabled ccc; then
2295
    # disable some annoying warnings
2296
    add_cflags -msg_disable cvtu32to64
2297
    add_cflags -msg_disable embedcomment
2298
    add_cflags -msg_disable needconstext
2299
    add_cflags -msg_disable nomainieee
2300
    add_cflags -msg_disable ptrmismatch1
2301
    add_cflags -msg_disable unreachcode
2302
fi
2303

    
2304
# PIC flags for shared library objects where they are needed
2305
if enabled shared; then
2306
    # LIBOBJFLAGS may have already been set in the OS configuration
2307
    if test -z "$LIBOBJFLAGS" ; then
2308
        case "${subarch-$arch}" in
2309
            x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2310
        esac
2311
    fi
2312
fi
2313

    
2314
if enabled gprof; then
2315
    add_cflags  -p
2316
    add_ldflags -p
2317
fi
2318

    
2319
# Find out if the .align argument is a power of two or not.
2320
check_asm asmalign_pot '".align 3"'
2321

    
2322
enabled_any $DECODER_LIST      && enable decoders
2323
enabled_any $ENCODER_LIST      && enable encoders
2324
enabled_any $HWACCEL_LIST      && enable hwaccels
2325
enabled_any $BSF_LIST          && enable bsfs
2326
enabled_any $DEMUXER_LIST      && enable demuxers
2327
enabled_any $MUXER_LIST        && enable muxers
2328
enabled_any $FILTER_LIST       && enable filters
2329
enabled_any $INDEV_LIST        && enable demuxers
2330
enabled_any $OUTDEV_LIST       && enable muxers
2331
enabled_any $PROTOCOL_LIST     && enable protocols
2332

    
2333
enabled_any $THREADS_LIST      && enable threads
2334

    
2335
check_deps $CONFIG_LIST       \
2336
           $CONFIG_EXTRA      \
2337
           $HAVE_LIST         \
2338
           $DECODER_LIST      \
2339
           $ENCODER_LIST      \
2340
           $HWACCEL_LIST      \
2341
           $PARSER_LIST       \
2342
           $BSF_LIST          \
2343
           $DEMUXER_LIST      \
2344
           $MUXER_LIST        \
2345
           $FILTER_LIST       \
2346
           $INDEV_LIST        \
2347
           $OUTDEV_LIST       \
2348
           $PROTOCOL_LIST     \
2349

    
2350
echo "install prefix            $prefix"
2351
echo "source path               $source_path"
2352
echo "C compiler                $cc"
2353
echo ".align is power-of-two    $asmalign_pot"
2354
echo "ARCH                      $arch ($cpu)"
2355
if test "$build_suffix" != ""; then
2356
    echo "build suffix              $build_suffix"
2357
fi
2358
if test "$extra_version" != ""; then
2359
    echo "version string suffix     $extra_version"
2360
fi
2361
echo "big-endian                ${bigendian-no}"
2362
echo "runtime cpu detection     ${runtime_cpudetect-no}"
2363
if enabled x86; then
2364
    echo "yasm                      ${yasm-no}"
2365
    echo "MMX enabled               ${mmx-no}"
2366
    echo "MMX2 enabled              ${mmx2-no}"
2367
    echo "3DNow! enabled            ${amd3dnow-no}"
2368
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
2369
    echo "SSE enabled               ${sse-no}"
2370
    echo "SSSE3 enabled             ${ssse3-no}"
2371
    echo "CMOV enabled              ${cmov-no}"
2372
    echo "CMOV is fast              ${fast_cmov-no}"
2373
    echo "EBX available             ${ebx_available-no}"
2374
    echo "EBP available             ${ebp_available-no}"
2375
    echo "10 operands supported     ${ten_operands-no}"
2376
fi
2377
if enabled arm; then
2378
    echo "ARMv5TE enabled           ${armv5te-no}"
2379
    echo "ARMv6 enabled             ${armv6-no}"
2380
    echo "ARMv6T2 enabled           ${armv6t2-no}"
2381
    echo "ARM VFP enabled           ${armvfp-no}"
2382
    echo "IWMMXT enabled            ${iwmmxt-no}"
2383
    echo "NEON enabled              ${neon-no}"
2384
fi
2385
if enabled mips; then
2386
    echo "MMI enabled               ${mmi-no}"
2387
fi
2388
if enabled ppc; then
2389
    echo "AltiVec enabled           ${altivec-no}"
2390
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
2391
    echo "dcbzl available           ${dcbzl-no}"
2392
    echo "performance report        ${powerpc_perf-no}"
2393
fi
2394
if enabled sparc; then
2395
    echo "VIS enabled               ${vis-no}"
2396
fi
2397
echo "gprof enabled             ${gprof-no}"
2398
echo "debug symbols             ${debug-no}"
2399
echo "strip symbols             ${stripping-no}"
2400
echo "optimizations             ${optimizations-no}"
2401
echo "static                    ${static-no}"
2402
echo "shared                    ${shared-no}"
2403
echo "postprocessing support    ${postproc-no}"
2404
echo "new filter support        ${avfilter-no}"
2405
echo "filters using lavformat   ${avfilter_lavf-no}"
2406
echo "network support           ${network-no}"
2407
if enabled network; then
2408
    echo "IPv6 support              ${ipv6-no}"
2409
fi
2410
echo "threading support         ${thread_type-no}"
2411
echo "SDL support               ${sdl-no}"
2412
if enabled sdl_too_old; then
2413
    echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2414
fi
2415
echo "Sun medialib support      ${mlib-no}"
2416
echo "AVISynth enabled          ${avisynth-no}"
2417
echo "libdc1394 support         ${libdc1394-no}"
2418
echo "libdirac enabled          ${libdirac-no}"
2419
echo "libfaac enabled           ${libfaac-no}"
2420
echo "libfaad enabled           ${libfaad-no}"
2421
echo "libfaad dlopened          ${libfaadbin-no}"
2422
echo "libgsm enabled            ${libgsm-no}"
2423
echo "libmp3lame enabled        ${libmp3lame-no}"
2424
echo "libnut enabled            ${libnut-no}"
2425
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2426
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2427
echo "libopenjpeg enabled       ${libopenjpeg-no}"
2428
echo "libschroedinger enabled   ${libschroedinger-no}"
2429
echo "libspeex enabled          ${libspeex-no}"
2430
echo "libtheora enabled         ${libtheora-no}"
2431
echo "libvorbis enabled         ${libvorbis-no}"
2432
echo "libx264 enabled           ${libx264-no}"
2433
echo "libxvid enabled           ${libxvid-no}"
2434
echo "zlib enabled              ${zlib-no}"
2435
echo "bzlib enabled             ${bzlib-no}"
2436
echo
2437

    
2438
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2439
    echo "Enabled ${type}s:"
2440
    eval list=\$$(toupper $type)_LIST
2441
    for part in $list; do
2442
        enabled $part && echo ${part%_*}
2443
    done | sort | pr -3 -t
2444
    echo
2445
done
2446

    
2447
license="LGPL version 2.1 or later"
2448
if enabled nonfree; then
2449
    license="nonfree and unredistributable"
2450
elif enabled gplv3; then
2451
    license="GPL version 3 or later"
2452
elif enabled lgplv3; then
2453
    license="LGPL version 3 or later"
2454
elif enabled gpl; then
2455
    license="GPL version 2 or later"
2456
fi
2457

    
2458
echo "License: $license"
2459

    
2460
echo "Creating config.mak and config.h..."
2461

    
2462
echo "# Automatically generated by configure - do not modify!" > config.mak
2463
echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2464
echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2465
echo "#define FFMPEG_CONFIG_H" >> $TMPH
2466
echo "#define FFMPEG_CONFIGURATION \"$(c_escape $FFMPEG_CONFIGURATION)\"" >> $TMPH
2467
echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2468

    
2469
echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2470
echo "prefix=$prefix" >> config.mak
2471
echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2472
echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2473
echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2474
echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2475
echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2476
echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2477
echo "SRC_PATH=\"$source_path\"" >> config.mak
2478
echo "SRC_PATH_BARE=$source_path" >> config.mak
2479
echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2480
echo "CC=$cc" >> config.mak
2481
echo "AS=$as" >> config.mak
2482
echo "LD=$ld" >> config.mak
2483
echo "YASM=$yasmexe" >> config.mak
2484
echo "AR=$ar" >> config.mak
2485
echo "RANLIB=$ranlib" >> config.mak
2486
echo "LN_S=$ln_s" >> config.mak
2487
enabled stripping &&
2488
    echo "STRIP=$strip" >> config.mak ||
2489
    echo "STRIP=echo ignoring strip" >> config.mak
2490

    
2491
echo "CPPFLAGS?=$CPPFLAGS" >> config.mak
2492
echo "CFLAGS=$CFLAGS" >> config.mak
2493
echo "LDFLAGS=$LDFLAGS" >> config.mak
2494
echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2495
echo "SHFLAGS=$SHFLAGS" >> config.mak
2496
echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2497
echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2498
echo "BUILD_STATIC=$static" >> config.mak
2499
echo "BUILDSUF=$build_suffix" >> config.mak
2500
echo "FULLNAME=$FULLNAME" >> config.mak
2501
echo "LIBPREF=$LIBPREF" >> config.mak
2502
echo "LIBSUF=$LIBSUF" >> config.mak
2503
echo "LIBNAME=$LIBNAME" >> config.mak
2504
echo "SLIBPREF=$SLIBPREF" >> config.mak
2505
echo "SLIBSUF=$SLIBSUF" >> config.mak
2506
echo "EXESUF=$EXESUF" >> config.mak
2507
echo "EXTRA_VERSION=$extra_version" >> config.mak
2508
echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2509
echo "HOSTCC=$host_cc" >> config.mak
2510
echo "HOSTCFLAGS=$host_cflags" >> config.mak
2511
echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2512
echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2513
echo "HOSTLIBS=$host_libs" >> config.mak
2514
echo "TARGET_EXEC=$target_exec" >> config.mak
2515
echo "TARGET_PATH=$target_path" >> config.mak
2516

    
2517
if enabled bigendian; then
2518
    echo "WORDS_BIGENDIAN=yes" >> config.mak
2519
    echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2520
fi
2521

    
2522
if enabled sdl; then
2523
    echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2524
    echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
2525
fi
2526
if enabled texi2html; then
2527
    echo "BUILD_DOC=yes" >> config.mak
2528
fi
2529

    
2530
get_version(){
2531
    name=$1
2532
    file=$source_path/$2
2533
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2534
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2535
    lcname=$(tolower $name)
2536
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2537
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2538
}
2539

    
2540
get_version LIBSWSCALE  libswscale/swscale.h
2541
get_version LIBPOSTPROC libpostproc/postprocess.h
2542
get_version LIBAVCODEC  libavcodec/avcodec.h
2543
get_version LIBAVDEVICE libavdevice/avdevice.h
2544
get_version LIBAVFORMAT libavformat/avformat.h
2545
get_version LIBAVUTIL   libavutil/avutil.h
2546
get_version LIBAVFILTER libavfilter/avfilter.h
2547

    
2548
if enabled shared; then
2549
    echo "BUILD_SHARED=yes" >> config.mak
2550
    echo "PIC=-fPIC -DPIC" >> config.mak
2551
    echo "LIBTARGET=${LIBTARGET}" >> config.mak
2552
    echo "SLIBNAME=${SLIBNAME}" >> config.mak
2553
    echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2554
    echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2555
    echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2556
    echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2557
    echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2558
    echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2559
fi
2560
echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2561
echo "EXTRALIBS=$extralibs" >> config.mak
2562

    
2563
echo "ARCH=$arch" >> config.mak
2564

    
2565
print_config ARCH_   $TMPH config.mak $ARCH_LIST
2566
print_config HAVE_   $TMPH config.mak $HAVE_LIST
2567
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2568
                                      $CONFIG_EXTRA      \
2569
                                      $DECODER_LIST      \
2570
                                      $ENCODER_LIST      \
2571
                                      $HWACCEL_LIST      \
2572
                                      $PARSER_LIST       \
2573
                                      $BSF_LIST          \
2574
                                      $DEMUXER_LIST      \
2575
                                      $MUXER_LIST        \
2576
                                      $FILTER_LIST       \
2577
                                      $PROTOCOL_LIST     \
2578
                                      $INDEV_LIST        \
2579
                                      $OUTDEV_LIST       \
2580

    
2581
echo "#define restrict $_restrict" >> $TMPH
2582

    
2583
if enabled small; then
2584
    echo "#define av_always_inline"  >> $TMPH
2585
fi
2586

    
2587

    
2588
# Apparently it's not possible to portably echo a backslash.
2589
enabled asmalign_pot &&
2590
    printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2591
    printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2592

    
2593
echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2594

    
2595
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2596

    
2597
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2598
cmp -s $TMPH config.h &&
2599
    echo "config.h is unchanged" ||
2600
    mv -f $TMPH config.h
2601

    
2602
# build tree in object directory if source path is different from current one
2603
if enabled source_path_used; then
2604
    DIRS="\
2605
        doc               \
2606
        libavcodec        \
2607
        libavcodec/alpha  \
2608
        libavcodec/arm    \
2609
        libavcodec/bfin   \
2610
        libavcodec/mlib   \
2611
        libavcodec/ppc    \
2612
        libavcodec/sh4    \
2613
        libavcodec/sparc  \
2614
        libavcodec/x86    \
2615
        libavdevice       \
2616
        libavfilter       \
2617
        libavformat       \
2618
        libavutil         \
2619
        libpostproc       \
2620
        libswscale        \
2621
        libswscale/bfin   \
2622
        libswscale/mlib   \
2623
        libswscale/ppc    \
2624
        libswscale/sparc  \
2625
        libswscale/x86    \
2626
        tests             \
2627
        tools             \
2628
        "
2629
    FILES="\
2630
        Makefile             \
2631
        common.mak           \
2632
        subdir.mak           \
2633
        doc/texi2pod.pl      \
2634
        libavcodec/Makefile  \
2635
        libavdevice/Makefile \
2636
        libavfilter/Makefile \
2637
        libavformat/Makefile \
2638
        libavutil/Makefile   \
2639
        libpostproc/Makefile \
2640
        libswscale/Makefile  \
2641
        "
2642
    for dir in $DIRS ; do
2643
        mkdir -p $dir
2644
    done
2645
    for f in $FILES ; do
2646
        $ln_s "$source_path/$f" $f
2647
    done
2648
fi
2649

    
2650

    
2651
# build pkg-config files
2652

    
2653
pkgconfig_generate(){
2654
name=$1
2655
shortname=${name#lib}${build_suffix}
2656
comment=$2
2657
version=$3
2658
libs=$4
2659
requires=$5
2660
cat <<EOF > $name/$name.pc
2661
prefix=$prefix
2662
exec_prefix=\${prefix}
2663
libdir=$libdir
2664
includedir=$incdir
2665

    
2666
Name: $name
2667
Description: $comment
2668
Version: $version
2669
Requires: $(disabled shared && echo $requires)
2670
Requires.private: $(enabled shared && echo $requires)
2671
Conflicts:
2672
Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2673
Libs.private: $(enabled shared && echo $libs)
2674
Cflags: -I\${includedir}
2675
EOF
2676
cat <<EOF > $name/$name-uninstalled.pc
2677
prefix=
2678
exec_prefix=
2679
libdir=\${pcfiledir}
2680
includedir=${source_path}
2681

    
2682
Name: $name
2683
Description: $comment
2684
Version: $version
2685
Requires: $requires
2686
Conflicts:
2687
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2688
Cflags: -I\${includedir}
2689
EOF
2690
}
2691

    
2692
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2693
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2694
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2695
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2696
enabled avfilter &&
2697
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2698
enabled postproc &&
2699
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2700
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"