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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 [$ELIBS]"
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  echo "  --extra-version=STRING   version string suffix []"
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  echo "  --build-suffix=SUFFIX    library name suffix []"
203
  echo "  --arch=ARCH              select architecture [$arch]"
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  echo "  --cpu=CPU                select the minimum required CPU (affects"
205
  echo "                           instruction selection, may crash on older CPUs)"
206
  echo "  --enable-powerpc-perf    enable performance report on PPC"
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  echo "                           (requires enabling PMC)"
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  echo "  --disable-altivec        disable AltiVec optimizations"
209
  echo "  --disable-amd3dnow       disable 3DNow! optimizations"
210
  echo "  --disable-amd3dnowext    disable 3DNow! extended optimizations"
211
  echo "  --disable-mmx            disable MMX optimizations"
212
  echo "  --disable-mmx2           disable MMX2 optimizations"
213
  echo "  --disable-sse            disable SSE optimizations"
214
  echo "  --disable-ssse3          disable SSSE3 optimizations"
215
  echo "  --disable-armv5te        disable armv5te optimizations"
216
  echo "  --disable-armv6          disable armv6 optimizations"
217
  echo "  --disable-armv6t2        disable armv6t2 optimizations"
218
  echo "  --disable-armvfp         disable ARM VFP optimizations"
219
  echo "  --disable-iwmmxt         disable iwmmxt optimizations"
220
  echo "  --disable-mmi            disable MMI optimizations"
221
  echo "  --disable-neon           disable neon optimizations"
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  echo "  --disable-vis            disable VIS optimizations"
223
  echo "  --disable-yasm           disable use of yasm assembler"
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  echo
225
  echo "Developer options (useful when working on FFmpeg itself):"
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  echo "  --disable-debug          disable debugging symbols"
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  echo "  --enable-debug=LEVEL     set the debug level [$debuglevel]"
228
  echo "  --enable-gprof           enable profiling with gprof [$gprof]"
229
  echo "  --disable-optimizations  disable compiler optimizations"
230
  echo "  --enable-extra-warnings  enable more compiler warnings"
231
  echo "  --disable-stripping      disable stripping of executables and shared libraries"
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  echo ""
233
  echo "NOTE: Object files are built at the place where configure is launched."
234
  exit 0
235
}
236

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
1021
# code dependency declarations
1022

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

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

    
1130
# parsers
1131
h264_parser_select="golomb"
1132

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

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

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

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

    
1200
# filters
1201
movie_filter_deps="avfilter_lavf"
1202

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

    
1208

    
1209
# default parameters
1210

    
1211
logfile="config.err"
1212

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

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

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

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

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

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

    
1271
CC_O='-o $@'
1272

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

    
1276
target_path='.'
1277

    
1278
# gcc stupidly only outputs the basename of targets with -MM, but we need the
1279
# full relative path for objects in subdirectories for non-recursive Make.
1280
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1281
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1282

    
1283
# find source path
1284
source_path="$(dirname "$0")"
1285
enable source_path_used
1286
if test -z "$source_path" -o "$source_path" = "." ; then
1287
    source_path="$(pwd)"
1288
    disable source_path_used
1289
else
1290
    source_path="$(cd "$source_path"; pwd)"
1291
    echo "$source_path" | grep -q '[[:blank:]]' &&
1292
        die "Out of tree builds are impossible with whitespace in source path."
1293
    test -e "$source_path/config.h" &&
1294
        die "Out of tree builds are impossible with config.h in source dir."
1295
fi
1296

    
1297
for v in "$@"; do
1298
    r=${v#*=}
1299
    l=${v%"$r"}
1300
    r=$(sh_quote "$r")
1301
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1302
done
1303

    
1304
find_things(){
1305
    thing=$1
1306
    pattern=$2
1307
    file=$source_path/$3
1308
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1309
}
1310

    
1311
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1312
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1313
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1314
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1315
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1316
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1317
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1318
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1319
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1320
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1321
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1322

    
1323
enable $ARCH_EXT_LIST \
1324
       $DECODER_LIST \
1325
       $ENCODER_LIST \
1326
       $HWACCEL_LIST \
1327
       $PARSER_LIST \
1328
       $BSF_LIST \
1329
       $DEMUXER_LIST \
1330
       $MUXER_LIST \
1331
       $FILTER_LIST \
1332
       $PROTOCOL_LIST \
1333
       $INDEV_LIST \
1334
       $OUTDEV_LIST \
1335

    
1336
die_unknown(){
1337
    echo "Unknown option \"$1\"."
1338
    echo "See $0 --help for available options."
1339
    exit 1
1340
}
1341

    
1342
show_list() {
1343
    suffix=_$1
1344
    shift
1345
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1346
    exit 0
1347
}
1348

    
1349
for opt do
1350
    optval="${opt#*=}"
1351
    case "$opt" in
1352
    --extra-ldflags=*) add_ldflags $optval
1353
    ;;
1354
    --extra-libs=*) add_extralibs $optval
1355
    ;;
1356
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1357
    ;;
1358
    --enable-debug=*) debuglevel="$optval"
1359
    ;;
1360
    --enable-*=*|--disable-*=*)
1361
    eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
1362
    case "$thing" in
1363
        encoder|decoder|hwaccel|muxer|demuxer|indev|outdev|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1364
        *) die_unknown "$opt" ;;
1365
    esac
1366
    ;;
1367
    --enable-?*|--disable-?*)
1368
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1369
    if is_in $option $COMPONENT_LIST; then
1370
        test $action = disable && action=unset
1371
        eval $action \$$(toupper ${option%s})_LIST
1372
    elif is_in $option $CMDLINE_SELECT; then
1373
        $action $option
1374
    else
1375
        die_unknown $opt
1376
    fi
1377
    ;;
1378
    --list-*)
1379
        NAME="${opt#--list-}"
1380
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1381
        NAME=${NAME%s}
1382
        eval show_list $NAME \$$(toupper $NAME)_LIST
1383
    ;;
1384
    --help|-h) show_help
1385
    ;;
1386
    *)
1387
    optname="${opt%%=*}"
1388
    optname="${optname#--}"
1389
    optname=$(echo "$optname" | sed 's/-/_/g')
1390
    is_in $optname $CMDLINE_SET || die_unknown $opt
1391
    eval $optname='$optval'
1392
    ;;
1393
    esac
1394
done
1395

    
1396
disabled logging && logfile=/dev/null
1397

    
1398
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1399
set >> $logfile
1400

    
1401
test -n "$cross_prefix" && enable cross_compile
1402

    
1403
ar="${cross_prefix}${ar}"
1404
cc_default="${cross_prefix}${cc_default}"
1405
nm_default="${cross_prefix}${nm_default}"
1406
ranlib="${cross_prefix}${ranlib}"
1407
strip="${cross_prefix}${strip}"
1408

    
1409
sysinclude_default="${sysroot}/usr/include"
1410

    
1411
set_default cc nm sysinclude
1412
enabled cross_compile || host_cc_default=$cc
1413
set_default host_cc
1414

    
1415
exesuf() {
1416
    case $1 in
1417
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1418
    esac
1419
}
1420

    
1421
EXESUF=$(exesuf $target_os)
1422
HOSTEXESUF=$(exesuf $host_os)
1423

    
1424
# set temporary file name
1425
: ${TMPDIR:=$TEMPDIR}
1426
: ${TMPDIR:=$TMP}
1427
: ${TMPDIR:=/tmp}
1428

    
1429
if ! check_cmd type mktemp; then
1430
    # simple replacement for missing mktemp
1431
    # NOT SAFE FOR GENERAL USE
1432
    mktemp(){
1433
        echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1434
    }
1435
fi
1436

    
1437
tmpfile(){
1438
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1439
        (set -C; exec > $tmp) 2>/dev/null ||
1440
        die "Unable to create temoporary file in $TMPDIR."
1441
    append TMPFILES $tmp
1442
    eval $1=$tmp
1443
}
1444

    
1445
trap 'rm -f -- $TMPFILES' EXIT
1446
trap exit HUP INT TERM
1447

    
1448
tmpfile TMPC  .c
1449
tmpfile TMPE  $EXESUF
1450
tmpfile TMPH  .h
1451
tmpfile TMPO  .o
1452
tmpfile TMPS  .S
1453
tmpfile TMPSH .sh
1454

    
1455
unset -f mktemp
1456

    
1457
# make sure we can execute files in $TMPDIR
1458
cat > $TMPSH 2>> $logfile <<EOF
1459
#! /bin/sh
1460
EOF
1461
chmod +x $TMPSH >> $logfile 2>&1
1462
if ! $TMPSH >> $logfile 2>&1; then
1463
    cat <<EOF
1464
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1465
variable to another directory and make sure that it is not mounted noexec.
1466
EOF
1467
    die "Sanity test failed."
1468
fi
1469

    
1470
if   $cc --version 2>/dev/null | grep -qi gcc; then
1471
    cc_type=gcc
1472
elif $cc --version 2>/dev/null | grep -q Intel; then
1473
    cc_type=icc
1474
elif $cc -v 2>&1 | grep -q xlc; then
1475
    cc_type=xlc
1476
elif $cc -V 2>/dev/null | grep -q Compaq; then
1477
    cc_type=ccc
1478
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1479
    debuglevel=3
1480
    add_ldflags -Wl,-z,now # calls to libots crash without this
1481
elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1482
    test -d "$sysroot" || die "No valid sysroot specified."
1483
    cc_type=armcc
1484
    armcc_conf="$PWD/armcc.conf"
1485
    $cc --arm_linux_configure                 \
1486
        --arm_linux_config_file="$armcc_conf" \
1487
        --configure_sysroot="$sysroot"        \
1488
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1489
        die "Error creating armcc configuration file."
1490
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1491
    as_default="${cross_prefix}gcc"
1492
fi
1493

    
1494
test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1495

    
1496
: ${as_default:=$cc}
1497
: ${dep_cc_default:=$cc}
1498
: ${ld_default:=$cc}
1499
set_default as dep_cc ld
1500

    
1501
add_cflags $extra_cflags
1502
add_asflags $extra_cflags
1503

    
1504
if test -n "$sysroot"; then
1505
    case "$cc_type" in
1506
        gcc)
1507
            add_cppflags --sysroot="$sysroot"
1508
            add_ldflags --sysroot="$sysroot"
1509
        ;;
1510
    esac
1511
fi
1512

    
1513
# compiler sanity check
1514
check_exec <<EOF
1515
int main(void){ return 0; }
1516
EOF
1517
if test "$?" != 0; then
1518
    echo "$cc is unable to create an executable file."
1519
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
1520
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1521
        echo "Only do this if you know what cross compiling means."
1522
    fi
1523
    die "C compiler test failed."
1524
fi
1525

    
1526
check_cflags -std=c99
1527
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1528
#include <stdlib.h>
1529
EOF
1530
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
1531
#include <stdlib.h>
1532
EOF
1533

    
1534
case "$arch" in
1535
    alpha)
1536
        arch="alpha"
1537
        enable fast_64bit
1538
        check_cflags -mieee
1539
    ;;
1540
    arm|armv[4567]*l)
1541
        arch="arm"
1542
    ;;
1543
    avr32)
1544
    ;;
1545
    bfin)
1546
        arch="bfin"
1547
    ;;
1548
    ia64)
1549
        arch="ia64"
1550
        enable fast_64bit
1551
    ;;
1552
    m68k)
1553
        arch="m68k"
1554
    ;;
1555
    mips|mipsel|IP*)
1556
        arch="mips"
1557
    ;;
1558
    mips64)
1559
        arch="mips"
1560
        subarch="mips64"
1561
        enable fast_64bit
1562
    ;;
1563
    parisc|hppa)
1564
        arch="parisc"
1565
    ;;
1566
    parisc64|hppa64)
1567
        arch="parisc"
1568
        enable fast_64bit
1569
    ;;
1570
    "Power Macintosh"|ppc|powerpc)
1571
        arch="ppc"
1572
        enable fast_unaligned
1573
    ;;
1574
    ppc64)
1575
        arch="ppc"
1576
        subarch="ppc64"
1577
        enable fast_64bit
1578
        enable fast_unaligned
1579
    ;;
1580
    s390|s390x)
1581
        arch="s390"
1582
    ;;
1583
    sh4|sh)
1584
        arch="sh4"
1585
    ;;
1586
    sparc)
1587
        arch="sparc"
1588
    ;;
1589
    sun4u|sparc64)
1590
        arch="sparc"
1591
        subarch="sparc64"
1592
        enable fast_64bit
1593
    ;;
1594
    i386|i486|i586|i686|i86pc|BePC)
1595
        arch="x86"
1596
        subarch="x86_32"
1597
        enable fast_unaligned
1598
    ;;
1599
    x86_64|amd64)
1600
        arch="x86"
1601
        subarch="x86_32"
1602
        enable cmov
1603
        enable fast_cmov
1604
        enable fast_unaligned
1605
        check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1606
        int test[sizeof(char*) - 7];
1607
EOF
1608
    ;;
1609
    *)
1610
        arch="unknown"
1611
    ;;
1612
esac
1613

    
1614
enable $arch $subarch
1615

    
1616
# OS specific
1617
case $target_os in
1618
    beos|haiku|zeta)
1619
        prefix_default="$HOME/config"
1620
        # helps building libavcodec
1621
        add_cppflags -DPIC
1622
        add_cflags -fomit-frame-pointer
1623
        # 3 gcc releases known for BeOS, each with ugly bugs
1624
        gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1625
        case "$gcc_version" in
1626
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1627
            disable mmx
1628
            ;;
1629
          *20010315*) echo "BeBits gcc"
1630
            add_cflags -fno-expensive-optimizations
1631
            ;;
1632
        esac
1633
        SHFLAGS=-nostart
1634
        # enable BeOS things
1635
        enable audio_beos
1636
        # no need for libm, but the inet stuff
1637
        # Check for BONE
1638
        # XXX: actually should check for NOT net_server
1639
        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1640
            network_extralibs="-lbind -lsocket"
1641
        else
1642
            enable beos_netserver
1643
            network_extralibs="-lnet"
1644
        fi ;;
1645
    sunos)
1646
        FFSERVERLDFLAGS=""
1647
        SHFLAGS='-shared -Wl,-h,$$(@F)'
1648
        network_extralibs="-lsocket -lnsl"
1649
        add_cppflags -D__EXTENSIONS__
1650
        ;;
1651
    netbsd)
1652
        oss_indev_extralibs="-lossaudio"
1653
        oss_outdev_extralibs="-lossaudio"
1654
        ;;
1655
    openbsd)
1656
        disable need_memalign
1657
        LIBOBJFLAGS='$(PIC)'
1658
        SHFLAGS='-shared'
1659
        oss_indev_extralibs="-lossaudio"
1660
        oss_outdev_extralibs="-lossaudio"
1661
        ;;
1662
    freebsd|dragonfly)
1663
        disable need_memalign
1664
        ;;
1665
    bsd/os)
1666
        osextralibs="-lpoll -lgnugetopt"
1667
        strip="strip -d"
1668
        ;;
1669
    darwin)
1670
        disable need_memalign
1671
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1672
        strip="strip -x"
1673
        FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1674
        SLIBSUF=".dylib"
1675
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1676
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1677
        FFSERVERLDFLAGS=-Wl,-bind_at_load
1678
        objformat="macho"
1679
        enabled x86_64 && objformat="macho64"
1680
        ;;
1681
    mingw32*)
1682
        target_os=mingw32
1683
        LIBTARGET=i386
1684
        if enabled x86_64; then
1685
            disable need_memalign
1686
            LIBTARGET=x64
1687
        fi
1688
        shlibdir_default="$bindir_default"
1689
        disable ffserver
1690
        SLIBPREF=""
1691
        SLIBSUF=".dll"
1692
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1693
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1694
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1695
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1696
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1697
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1698
        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'
1699
        objformat="win32"
1700
        enable dos_paths
1701
        check_cflags -fno-common
1702
        if ! enabled x86_64; then
1703
            check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1704
                die "ERROR: MinGW runtime version must be >= 3.15."
1705
            enabled_any avisynth vfwcap_demuxer &&
1706
                { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1707
                  die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1708
            fi
1709
        ;;
1710
    cygwin*)
1711
        target_os=cygwin
1712
        shlibdir_default="$bindir_default"
1713
        SLIBPREF="cyg"
1714
        SLIBSUF=".dll"
1715
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1716
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1717
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
1718
        objformat="win32"
1719
        enable dos_paths
1720
        check_cflags -fno-common
1721
        ;;
1722
    *-dos|freedos|opendos)
1723
        disable ffplay ffserver
1724
        disable $INDEV_LIST $OUTDEV_LIST
1725
        network_extralibs="-lsocket"
1726
        objformat="coff"
1727
        enable dos_paths
1728
        ;;
1729
    linux)
1730
        enable dv1394
1731
        ;;
1732
    irix*)
1733
        target_os=irix
1734
        ranlib="echo ignoring ranlib"
1735
        ;;
1736
    os/2*)
1737
        strip="lxlite"
1738
        ln_s="cp -f"
1739
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1740
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1741
        FFSERVERLDFLAGS=""
1742
        LIBSUF="_s.a"
1743
        SLIBPREF=""
1744
        SLIBSUF=".dll"
1745
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1746
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1747
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1748
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1749
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1750
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1751
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1752
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1753
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1754
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1755
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1756
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1757
        enable dos_paths
1758
        ;;
1759
    gnu/kfreebsd)
1760
        ;;
1761
    gnu)
1762
        ;;
1763

    
1764
    *)
1765
        die "Unknown OS '$target_os'."
1766
        ;;
1767
esac
1768

    
1769
set_default $PATHS_LIST
1770

    
1771
add_extralibs $osextralibs
1772

    
1773
# Combine FFLDFLAGS and the LDFLAGS environment variable.
1774
LDFLAGS="$FFLDFLAGS $LDFLAGS"
1775

    
1776
# we need to build at least one lib type
1777
if ! enabled_any static shared; then
1778
    cat <<EOF
1779
At least one library type must be built.
1780
Specify --enable-static to build the static libraries or --enable-shared to
1781
build the shared libraries as well. To only build the shared libraries specify
1782
--disable-static in addition to --enable-shared.
1783
EOF
1784
    exit 1;
1785
fi
1786

    
1787
disabled static && LIBNAME=""
1788

    
1789
if enabled_any libfaad libfaadbin ; then
1790
    if check_header faad.h; then
1791
        check_cc <<EOF
1792
#include <faad.h>
1793
#ifndef FAAD2_VERSION
1794
ok faad1
1795
#endif
1796
int main(void) { return 0; }
1797
EOF
1798
        test $? = 0 && enable libfaad2
1799
    else
1800
        die "FAAD test failed."
1801
    fi
1802
fi
1803

    
1804

    
1805
die_license_disabled() {
1806
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
1807
}
1808

    
1809
die_license_disabled gpl libfaad2
1810
die_license_disabled gpl libx264
1811
die_license_disabled gpl libxvid
1812
die_license_disabled gpl postproc
1813
die_license_disabled gpl x11grab
1814

    
1815
die_license_disabled nonfree libfaac
1816

    
1817
die_license_disabled version3 libopencore_amrnb
1818
die_license_disabled version3 libopencore_amrwb
1819

    
1820
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
1821

    
1822
check_deps $ARCH_EXT_LIST
1823

    
1824
test -z "$need_memalign" && need_memalign="$mmx"
1825

    
1826
#Darwin CC versions
1827
if test $target_os = darwin; then
1828
    if enabled xlc; then
1829
        add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1830
    else
1831
        add_cflags -pipe
1832
        check_cflags -force_cpusubtype_ALL
1833
        check_cflags -Wno-sign-compare
1834
        enabled shared || check_cflags -mdynamic-no-pic
1835
    fi
1836
fi
1837

    
1838
disabled optimizations || check_cflags -fomit-frame-pointer
1839

    
1840
# Add processor-specific flags
1841
if test $cpu != "generic"; then
1842
    warn_altivec(){
1843
        $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1844
    }
1845
    case $cpu in
1846
        601|ppc601|PowerPC601)
1847
            cpuflags="-mcpu=601"
1848
            warn_altivec enabled PPC601
1849
        ;;
1850
        603*|ppc603*|PowerPC603*)
1851
            cpuflags="-mcpu=603"
1852
            warn_altivec enabled PPC603
1853
        ;;
1854
        604*|ppc604*|PowerPC604*)
1855
            cpuflags="-mcpu=604"
1856
            warn_altivec enabled PPC604
1857
        ;;
1858
        G3|g3|75*|ppc75*|PowerPC75*)
1859
            cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1860
            warn_altivec enabled PPC75x
1861
        ;;
1862
        G4|g4|745*|ppc745*|PowerPC745*)
1863
            cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1864
            warn_altivec disabled PPC745x
1865
        ;;
1866
        74*|ppc74*|PowerPC74*)
1867
            cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1868
            warn_altivec disabled PPC74xx
1869
        ;;
1870
        G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1871
            cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1872
            warn_altivec disabled PPC970
1873
        ;;
1874
        Cell|CELL|cell)
1875
            cpuflags="-mcpu=cell"
1876
            warn_altivec disabled Cell
1877
            enable ldbrx
1878
        ;;
1879
        # targets that do NOT support conditional mov (cmov)
1880
        i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1881
            cpuflags="-march=$cpu"
1882
            disable cmov
1883
        ;;
1884
        # targets that do support conditional mov (cmov)
1885
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1886
            cpuflags="-march=$cpu"
1887
            enable cmov
1888
            enable fast_cmov
1889
        ;;
1890
        # targets that do support conditional mov but on which it's slow
1891
        pentium4|pentium4m|prescott|nocona)
1892
            cpuflags="-march=$cpu"
1893
            enable cmov
1894
            disable fast_cmov
1895
        ;;
1896
        sparc64)
1897
            cpuflags="-mcpu=v9"
1898
        ;;
1899
        arm11*|cortex*)
1900
            cpuflags="-mcpu=$cpu"
1901
            enable fast_unaligned
1902
        ;;
1903
        armv[67]*)
1904
            cpuflags="-march=$cpu"
1905
            enable fast_unaligned
1906
        ;;
1907
        armv*)
1908
            cpuflags="-march=$cpu"
1909
        ;;
1910
        arm*)
1911
            cpuflags="-mcpu=$cpu"
1912
        ;;
1913
        ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1914
            enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1915
        ;;
1916
        bf*)
1917
            cpuflags="-mcpu=$cpu"
1918
        ;;
1919
        mips*|[45]k*|[237]4k*|m4k|r*000|loongson2[ef])
1920
            cpuflags="-march=$cpu"
1921
        ;;
1922
        *)
1923
            echo "WARNING: Unknown CPU \"$cpu\", ignored."
1924
        ;;
1925
    esac
1926
fi
1927

    
1928
add_cflags $cpuflags
1929
add_asflags $cpuflags
1930

    
1931
check_cc <<EOF || die "Symbol mangling check failed."
1932
int ff_extern;
1933
EOF
1934
sym=$($nm -P -g $TMPO | grep ff_extern)
1935
extern_prefix=${sym%%ff_extern*}
1936

    
1937
check_cc <<EOF && enable inline_asm
1938
void foo(void) { __asm__ volatile ("" ::); }
1939
EOF
1940

    
1941
if enabled x86; then
1942
    # check whether EBP is available on x86
1943
    # As 'i' is stored on the stack, this program will crash
1944
    # if the base pointer is used to access it because the
1945
    # base pointer is cleared in the inline assembly code.
1946
    check_exec_crash <<EOF && enable ebp_available
1947
    volatile int i=0;
1948
    __asm__ volatile (
1949
        "xorl %%ebp, %%ebp"
1950
    ::: "%ebp");
1951
    return i;
1952
EOF
1953

    
1954
    # check wether EBX is available on x86
1955
    check_asm ebx_available '"":::"%ebx"'
1956

    
1957
    # check whether more than 10 operands are supported
1958
    check_cc <<EOF && enable ten_operands
1959
int main(void) {
1960
    int x=0;
1961
    __asm__ volatile(
1962
        ""
1963
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
1964
    );
1965
    return 0;
1966
}
1967
EOF
1968

    
1969
    # check whether binutils is new enough to compile SSSE3/MMX2
1970
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1971
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
1972

    
1973
    check_asm bswap '"bswap %%eax" ::: "%eax"'
1974

    
1975
    YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
1976
    enabled     x86_64        && append YASMFLAGS "-m amd64"
1977
    enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1978
    case "$objformat" in
1979
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1980
        macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
1981
        *)                    append YASMFLAGS "-DPREFIX"  ;;
1982
    esac
1983
    disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
1984
fi
1985

    
1986
# check for assembler specific support
1987

    
1988
enabled mips && check_asm loongson '"dmult.g $1, $2, $3"'
1989

    
1990
enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
1991
enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
1992
enabled ppc && check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
1993

    
1994
# check for SIMD availability
1995

    
1996
# AltiVec flags: The FSF version of GCC differs from the Apple version
1997
if enabled altivec; then
1998
    check_cflags -maltivec -mabi=altivec &&
1999
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2000
        check_cflags -faltivec
2001

    
2002
    # check if our compiler supports Motorola AltiVec C API
2003
    check_cc <<EOF || disable altivec
2004
$inc_altivec_h
2005
int main(void) {
2006
    vector signed int v1, v2, v3;
2007
    v1 = vec_add(v2,v3);
2008
    return 0;
2009
}
2010
EOF
2011

    
2012
    # check if our compiler supports braces for vector declarations
2013
    check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2014
$inc_altivec_h
2015
int main (void) { (vector int) {1}; return 0; }
2016
EOF
2017
fi
2018

    
2019
# We have to check if pld is a nop and disable it.
2020
enabled arm     && check_asm pld     '"pld [r0]"'
2021
enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2022
enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2023
enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2024
enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2025
enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2026
enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2027
enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2028
enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
2029

    
2030
enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2031

    
2032
# ---
2033
# big/little-endian test
2034
check_cc <<EOF || die "endian test failed"
2035
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2036
EOF
2037
od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2038

    
2039
# ---
2040
# check availability of some header files
2041

    
2042
if check_func dlopen; then
2043
    ldl=
2044
elif check_func dlopen -ldl; then
2045
    ldl=-ldl
2046
fi
2047

    
2048
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2049
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2050

    
2051
check_func  fork
2052
check_func  gethrtime
2053
check_func  getrusage
2054
check_func  inet_aton $network_extralibs
2055
check_func  memalign
2056
check_func  mkstemp
2057
check_func  posix_memalign
2058
check_func_headers io.h setmode
2059
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2060
check_func_headers windows.h GetProcessTimes
2061
check_func_headers windows.h VirtualAlloc
2062

    
2063
check_header conio.h
2064
check_header dlfcn.h
2065
check_header malloc.h
2066
check_header poll.h
2067
check_header sys/mman.h
2068
check_header sys/resource.h
2069
check_header sys/select.h
2070
check_header termios.h
2071
check_header vdpau/vdpau.h
2072
check_header vdpau/vdpau_x11.h
2073
check_header X11/extensions/XvMClib.h
2074

    
2075
if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
2076
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2077
fi
2078

    
2079
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2080
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2081

    
2082
# check for some common methods of building with pthread support
2083
# do this before the optional library checks as some of them require pthreads
2084
if enabled pthreads; then
2085
    if check_func pthread_create; then
2086
        :
2087
    elif check_func pthread_create -pthread; then
2088
        add_cflags -pthread
2089
        add_extralibs -pthread
2090
    elif check_func pthread_create -pthreads; then
2091
        add_cflags -pthreads
2092
        add_extralibs -pthreads
2093
    elif check_func pthread_create -lpthreadGC2; then
2094
        add_extralibs -lpthreadGC2
2095
    elif ! check_lib pthread.h pthread_create -lpthread; then
2096
        die "ERROR: can't find pthreads library"
2097
    fi
2098
fi
2099

    
2100
for thread in $THREADS_LIST; do
2101
    if enabled $thread; then
2102
        test -n "$thread_type" &&
2103
            die "ERROR: Only one thread type must be selected." ||
2104
            thread_type="$thread"
2105
    fi
2106
done
2107

    
2108
check_lib math.h sin -lm
2109
check_lib va/va.h vaInitialize -lva
2110

    
2111
# test for C99 functions in math.h
2112
for func in llrint log2 lrint lrintf round roundf truncf; do
2113
    check_exec <<EOF && enable $func || disable $func
2114
#include <math.h>
2115
int main(void) { return ($func(3.999f) > 0)?0:1; }
2116
EOF
2117
done
2118

    
2119
# these are off by default, so fail if requested and not available
2120
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2121
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2122
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2123
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
2124
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2125
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2126
enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
2127
enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2128
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2129
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2130
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2131
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2132
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2133
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2134
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2135
enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
2136
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2137
enabled libx264    && require  libx264 x264.h x264_encoder_open -lx264 -lm &&
2138
                      { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2139
                        die "ERROR: libx264 version must be >= 0.65."; }
2140
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2141
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2142

    
2143
# libdc1394 check
2144
if enabled libdc1394; then
2145
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2146
        enable libdc1394_2; } ||
2147
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2148
        enable libdc1394_1; } ||
2149
    die "ERROR: No version of libdc1394 found "
2150
fi
2151

    
2152

    
2153
_restrict=
2154
for restrict_keyword in restrict __restrict__ __restrict; do
2155
    check_cc <<EOF && _restrict=$restrict_keyword && break
2156
void foo(char * $restrict_keyword p);
2157
EOF
2158
done
2159

    
2160
##########################################
2161
# SDL check
2162

    
2163
disable sdl_too_old
2164
disable sdl
2165
SDL_CONFIG="${cross_prefix}sdl-config"
2166
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2167
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2168
    temp_cflags $sdl_cflags
2169
    temp_extralibs $("${SDL_CONFIG}" --libs)
2170
    if check_lib2 SDL.h SDL_Init; then
2171
        _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2172
        if test "$_sdlversion" -lt 121 ; then
2173
            enable sdl_too_old
2174
        else
2175
            enable sdl
2176
            check_cc $sdl_cflags <<EOF && enable sdl_video_size
2177
#include <SDL.h>
2178
int main(int argc, char **argv){
2179
    const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2180
    int w = vi->current_w;
2181
    return 0;
2182
}
2183
EOF
2184
        fi
2185
    fi
2186
    restore_flags
2187
fi
2188

    
2189
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2190

    
2191
##########################################
2192
# Network check
2193

    
2194
if enabled network; then
2195
    check_type "sys/types.h sys/socket.h" socklen_t
2196
    # Prefer arpa/inet.h over winsock2
2197
    if check_header arpa/inet.h ; then
2198
        check_func closesocket
2199
    elif check_header winsock2.h ; then
2200
        network_extralibs="-lws2_32"
2201
        check_type ws2tcpip.h socklen_t
2202
        check_func_headers winsock2.h closesocket
2203
    else
2204
        disable network
2205
    fi
2206
fi
2207

    
2208
##########################################
2209
# IPv6 check
2210

    
2211
enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
2212
#include <sys/types.h>
2213
#include <sys/socket.h>
2214
#include <netinet/in.h>
2215
#include <netdb.h>
2216
int main(void) {
2217
    struct sockaddr_storage saddr;
2218
    struct ipv6_mreq mreq6;
2219
    getaddrinfo(0,0,0,0);
2220
    getnameinfo(0,0,0,0,0,0,0);
2221
    IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2222
}
2223
EOF
2224

    
2225
check_header linux/videodev.h
2226
check_header linux/videodev2.h
2227
check_header sys/videoio.h
2228

    
2229
check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2230

    
2231
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2232
{ check_header dev/bktr/ioctl_meteor.h &&
2233
  check_header dev/bktr/ioctl_bt848.h; } ||
2234
{ check_header machine/ioctl_meteor.h &&
2235
  check_header machine/ioctl_bt848.h; } ||
2236
{ check_header dev/video/meteor/ioctl_meteor.h &&
2237
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2238
check_header dev/ic/bt8xx.h
2239

    
2240
check_header sys/soundcard.h
2241
check_header soundcard.h
2242

    
2243
enabled alsa_demuxer || enabled alsa_muxer && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2244

    
2245
enabled jack_demuxer && check_lib2 jack/jack.h jack_client_open -ljack
2246

    
2247
# deal with the X11 frame grabber
2248
enabled x11grab                         &&
2249
check_header X11/Xlib.h                 &&
2250
check_header X11/extensions/XShm.h      &&
2251
check_func XOpenDisplay -lX11           &&
2252
check_func XShmCreateImage -lX11 -lXext
2253

    
2254
enabled debug && add_cflags -g"$debuglevel"
2255

    
2256
# add some useful compiler flags if supported
2257
check_cflags -Wdeclaration-after-statement
2258
check_cflags -Wall
2259
check_cflags -Wno-switch
2260
check_cflags -Wdisabled-optimization
2261
check_cflags -Wpointer-arith
2262
check_cflags -Wredundant-decls
2263
check_cflags -Wno-pointer-sign
2264
check_cflags -Wcast-qual
2265
check_cflags -Wwrite-strings
2266
check_cflags -Wtype-limits
2267
check_cflags -Wundef
2268
enabled extra_warnings && check_cflags -Winline
2269

    
2270
# add some linker flags
2271
check_ldflags -Wl,--warn-common
2272
check_ldflags -Wl,--as-needed
2273
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'
2274
check_ldflags -Wl,-Bsymbolic
2275

    
2276
if enabled small; then
2277
    check_cflags -Os            # not all compilers support -Os
2278
    optimizations="small"
2279
elif enabled optimizations; then
2280
    if enabled xlc; then
2281
        add_cflags  -O5
2282
        add_ldflags -O5
2283
    elif enabled ccc; then
2284
        add_cflags -fast
2285
    else
2286
        add_cflags -O3
2287
    fi
2288
fi
2289
check_cflags -fno-math-errno
2290
check_cflags -fno-signed-zeros
2291

    
2292
# add some flags for Intel C Compiler
2293
if enabled icc; then
2294
    # Just warnings, no remarks
2295
    check_cflags -w1
2296
    # -wd: Disable following warnings
2297
    # 144, 167, 556: -Wno-pointer-sign
2298
    # 10006: ignoring unknown option -fno-signed-zeros
2299
    # 10156: ignoring option '-W'; no argument required
2300
    check_cflags -wd144,167,556,10006,10156
2301
    # 11030: Warning unknown option --as-needed
2302
    # 10156: ignoring option '-export'; no argument required
2303
    check_ldflags -wd10156,11030
2304
    # Allow to compile with optimizations
2305
    check_ldflags -march=$cpu
2306
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2307
    enable ebp_available
2308
elif enabled ccc; then
2309
    # disable some annoying warnings
2310
    add_cflags -msg_disable cvtu32to64
2311
    add_cflags -msg_disable embedcomment
2312
    add_cflags -msg_disable needconstext
2313
    add_cflags -msg_disable nomainieee
2314
    add_cflags -msg_disable ptrmismatch1
2315
    add_cflags -msg_disable unreachcode
2316
fi
2317

    
2318
# PIC flags for shared library objects where they are needed
2319
if enabled shared; then
2320
    # LIBOBJFLAGS may have already been set in the OS configuration
2321
    if test -z "$LIBOBJFLAGS" ; then
2322
        case "${subarch-$arch}" in
2323
            x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2324
        esac
2325
    fi
2326
fi
2327

    
2328
if enabled gprof; then
2329
    add_cflags  -p
2330
    add_ldflags -p
2331
fi
2332

    
2333
# Find out if the .align argument is a power of two or not.
2334
check_asm asmalign_pot '".align 3"'
2335

    
2336
enabled_any $DECODER_LIST      && enable decoders
2337
enabled_any $ENCODER_LIST      && enable encoders
2338
enabled_any $HWACCEL_LIST      && enable hwaccels
2339
enabled_any $BSF_LIST          && enable bsfs
2340
enabled_any $DEMUXER_LIST      && enable demuxers
2341
enabled_any $MUXER_LIST        && enable muxers
2342
enabled_any $FILTER_LIST       && enable filters
2343
enabled_any $INDEV_LIST        && enable demuxers
2344
enabled_any $OUTDEV_LIST       && enable muxers
2345
enabled_any $PROTOCOL_LIST     && enable protocols
2346

    
2347
enabled_any $THREADS_LIST      && enable threads
2348

    
2349
check_deps $CONFIG_LIST       \
2350
           $CONFIG_EXTRA      \
2351
           $HAVE_LIST         \
2352
           $DECODER_LIST      \
2353
           $ENCODER_LIST      \
2354
           $HWACCEL_LIST      \
2355
           $PARSER_LIST       \
2356
           $BSF_LIST          \
2357
           $DEMUXER_LIST      \
2358
           $MUXER_LIST        \
2359
           $FILTER_LIST       \
2360
           $INDEV_LIST        \
2361
           $OUTDEV_LIST       \
2362
           $PROTOCOL_LIST     \
2363

    
2364
echo "install prefix            $prefix"
2365
echo "source path               $source_path"
2366
echo "C compiler                $cc"
2367
echo ".align is power-of-two    $asmalign_pot"
2368
echo "ARCH                      $arch ($cpu)"
2369
if test "$build_suffix" != ""; then
2370
    echo "build suffix              $build_suffix"
2371
fi
2372
if test "$extra_version" != ""; then
2373
    echo "version string suffix     $extra_version"
2374
fi
2375
echo "big-endian                ${bigendian-no}"
2376
echo "runtime cpu detection     ${runtime_cpudetect-no}"
2377
if enabled x86; then
2378
    echo "yasm                      ${yasm-no}"
2379
    echo "MMX enabled               ${mmx-no}"
2380
    echo "MMX2 enabled              ${mmx2-no}"
2381
    echo "3DNow! enabled            ${amd3dnow-no}"
2382
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
2383
    echo "SSE enabled               ${sse-no}"
2384
    echo "SSSE3 enabled             ${ssse3-no}"
2385
    echo "CMOV enabled              ${cmov-no}"
2386
    echo "CMOV is fast              ${fast_cmov-no}"
2387
    echo "EBX available             ${ebx_available-no}"
2388
    echo "EBP available             ${ebp_available-no}"
2389
    echo "10 operands supported     ${ten_operands-no}"
2390
fi
2391
if enabled arm; then
2392
    echo "ARMv5TE enabled           ${armv5te-no}"
2393
    echo "ARMv6 enabled             ${armv6-no}"
2394
    echo "ARMv6T2 enabled           ${armv6t2-no}"
2395
    echo "ARM VFP enabled           ${armvfp-no}"
2396
    echo "IWMMXT enabled            ${iwmmxt-no}"
2397
    echo "NEON enabled              ${neon-no}"
2398
fi
2399
if enabled mips; then
2400
    echo "MMI enabled               ${mmi-no}"
2401
fi
2402
if enabled ppc; then
2403
    echo "AltiVec enabled           ${altivec-no}"
2404
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
2405
    echo "dcbzl available           ${dcbzl-no}"
2406
    echo "performance report        ${powerpc_perf-no}"
2407
fi
2408
if enabled sparc; then
2409
    echo "VIS enabled               ${vis-no}"
2410
fi
2411
echo "gprof enabled             ${gprof-no}"
2412
echo "debug symbols             ${debug-no}"
2413
echo "strip symbols             ${stripping-no}"
2414
echo "optimizations             ${optimizations-no}"
2415
echo "static                    ${static-no}"
2416
echo "shared                    ${shared-no}"
2417
echo "postprocessing support    ${postproc-no}"
2418
echo "new filter support        ${avfilter-no}"
2419
echo "filters using lavformat   ${avfilter_lavf-no}"
2420
echo "network support           ${network-no}"
2421
if enabled network; then
2422
    echo "IPv6 support              ${ipv6-no}"
2423
fi
2424
echo "threading support         ${thread_type-no}"
2425
echo "SDL support               ${sdl-no}"
2426
if enabled sdl_too_old; then
2427
    echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2428
fi
2429
echo "Sun medialib support      ${mlib-no}"
2430
echo "AVISynth enabled          ${avisynth-no}"
2431
echo "libdc1394 support         ${libdc1394-no}"
2432
echo "libdirac enabled          ${libdirac-no}"
2433
echo "libfaac enabled           ${libfaac-no}"
2434
echo "libfaad enabled           ${libfaad-no}"
2435
echo "libfaad dlopened          ${libfaadbin-no}"
2436
echo "libgsm enabled            ${libgsm-no}"
2437
echo "libmp3lame enabled        ${libmp3lame-no}"
2438
echo "libnut enabled            ${libnut-no}"
2439
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2440
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2441
echo "libopenjpeg enabled       ${libopenjpeg-no}"
2442
echo "libschroedinger enabled   ${libschroedinger-no}"
2443
echo "libspeex enabled          ${libspeex-no}"
2444
echo "libtheora enabled         ${libtheora-no}"
2445
echo "libvorbis enabled         ${libvorbis-no}"
2446
echo "libx264 enabled           ${libx264-no}"
2447
echo "libxvid enabled           ${libxvid-no}"
2448
echo "zlib enabled              ${zlib-no}"
2449
echo "bzlib enabled             ${bzlib-no}"
2450
echo
2451

    
2452
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2453
    echo "Enabled ${type}s:"
2454
    eval list=\$$(toupper $type)_LIST
2455
    for part in $list; do
2456
        enabled $part && echo ${part%_*}
2457
    done | sort | pr -3 -t
2458
    echo
2459
done
2460

    
2461
license="LGPL version 2.1 or later"
2462
if enabled nonfree; then
2463
    license="nonfree and unredistributable"
2464
elif enabled gplv3; then
2465
    license="GPL version 3 or later"
2466
elif enabled lgplv3; then
2467
    license="LGPL version 3 or later"
2468
elif enabled gpl; then
2469
    license="GPL version 2 or later"
2470
fi
2471

    
2472
echo "License: $license"
2473

    
2474
echo "Creating config.mak and config.h..."
2475

    
2476
echo "# Automatically generated by configure - do not modify!" > config.mak
2477
echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2478
echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2479
echo "#define FFMPEG_CONFIG_H" >> $TMPH
2480
echo "#define FFMPEG_CONFIGURATION \"$(c_escape $FFMPEG_CONFIGURATION)\"" >> $TMPH
2481
echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2482

    
2483
echo "ifndef FFMPEG_CONFIG_MAK" >> config.mak
2484
echo "FFMPEG_CONFIG_MAK=1" >> config.mak
2485

    
2486
echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2487
echo "prefix=$prefix" >> config.mak
2488
echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2489
echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2490
echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2491
echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2492
echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2493
echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2494
echo "SRC_PATH=\"$source_path\"" >> config.mak
2495
echo "SRC_PATH_BARE=$source_path" >> config.mak
2496
echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2497
echo "CC=$cc" >> config.mak
2498
echo "AS=$as" >> config.mak
2499
echo "LD=$ld" >> config.mak
2500
echo "DEPCC=$dep_cc" >> config.mak
2501
echo "YASM=$yasmexe" >> config.mak
2502
echo "AR=$ar" >> config.mak
2503
echo "RANLIB=$ranlib" >> config.mak
2504
echo "LN_S=$ln_s" >> config.mak
2505
enabled stripping &&
2506
    echo "STRIP=$strip" >> config.mak ||
2507
    echo "STRIP=echo ignoring strip" >> config.mak
2508

    
2509
echo "CPPFLAGS=$CPPFLAGS" >> config.mak
2510
echo "CFLAGS=$CFLAGS" >> config.mak
2511
echo "ASFLAGS=$ASFLAGS" >> config.mak
2512
echo "CC_O=$CC_O" >> config.mak
2513
echo "LDFLAGS=$LDFLAGS" >> config.mak
2514
echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2515
echo "SHFLAGS=$SHFLAGS" >> config.mak
2516
echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2517
echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2518
echo "BUILD_STATIC=$static" >> config.mak
2519
echo "BUILDSUF=$build_suffix" >> config.mak
2520
echo "FULLNAME=$FULLNAME" >> config.mak
2521
echo "LIBPREF=$LIBPREF" >> config.mak
2522
echo "LIBSUF=$LIBSUF" >> config.mak
2523
echo "LIBNAME=$LIBNAME" >> config.mak
2524
echo "SLIBPREF=$SLIBPREF" >> config.mak
2525
echo "SLIBSUF=$SLIBSUF" >> config.mak
2526
echo "EXESUF=$EXESUF" >> config.mak
2527
echo "EXTRA_VERSION=$extra_version" >> config.mak
2528
echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2529
echo "DEPFLAGS=$DEPFLAGS" >> config.mak
2530
echo "HOSTCC=$host_cc" >> config.mak
2531
echo "HOSTCFLAGS=$host_cflags" >> config.mak
2532
echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2533
echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2534
echo "HOSTLIBS=$host_libs" >> config.mak
2535
echo "TARGET_EXEC=$target_exec" >> config.mak
2536
echo "TARGET_PATH=$target_path" >> config.mak
2537

    
2538
if enabled bigendian; then
2539
    echo "WORDS_BIGENDIAN=yes" >> config.mak
2540
    echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2541
fi
2542

    
2543
if enabled sdl; then
2544
    echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2545
    echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
2546
fi
2547
if enabled texi2html; then
2548
    echo "BUILD_DOC=yes" >> config.mak
2549
fi
2550

    
2551
get_version(){
2552
    name=$1
2553
    file=$source_path/$2
2554
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2555
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2556
    lcname=$(tolower $name)
2557
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2558
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2559
}
2560

    
2561
get_version LIBSWSCALE  libswscale/swscale.h
2562
get_version LIBPOSTPROC libpostproc/postprocess.h
2563
get_version LIBAVCODEC  libavcodec/avcodec.h
2564
get_version LIBAVDEVICE libavdevice/avdevice.h
2565
get_version LIBAVFORMAT libavformat/avformat.h
2566
get_version LIBAVUTIL   libavutil/avutil.h
2567
get_version LIBAVFILTER libavfilter/avfilter.h
2568

    
2569
if enabled shared; then
2570
    echo "BUILD_SHARED=yes" >> config.mak
2571
    echo "PIC=-fPIC -DPIC" >> config.mak
2572
    echo "LIBTARGET=${LIBTARGET}" >> config.mak
2573
    echo "SLIBNAME=${SLIBNAME}" >> config.mak
2574
    echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2575
    echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2576
    echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2577
    echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2578
    echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2579
    echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2580
fi
2581
echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2582
echo "EXTRALIBS=$extralibs" >> config.mak
2583

    
2584
echo "ARCH=$arch" >> config.mak
2585

    
2586
print_config ARCH_   $TMPH config.mak $ARCH_LIST
2587
print_config HAVE_   $TMPH config.mak $HAVE_LIST
2588
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2589
                                      $CONFIG_EXTRA      \
2590
                                      $DECODER_LIST      \
2591
                                      $ENCODER_LIST      \
2592
                                      $HWACCEL_LIST      \
2593
                                      $PARSER_LIST       \
2594
                                      $BSF_LIST          \
2595
                                      $DEMUXER_LIST      \
2596
                                      $MUXER_LIST        \
2597
                                      $FILTER_LIST       \
2598
                                      $PROTOCOL_LIST     \
2599
                                      $INDEV_LIST        \
2600
                                      $OUTDEV_LIST       \
2601

    
2602
echo "#define restrict $_restrict" >> $TMPH
2603

    
2604
if enabled small; then
2605
    echo "#define av_always_inline"  >> $TMPH
2606
fi
2607

    
2608

    
2609
# Apparently it's not possible to portably echo a backslash.
2610
enabled asmalign_pot &&
2611
    printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2612
    printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2613

    
2614
echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2615

    
2616
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2617
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
2618

    
2619
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2620
cmp -s $TMPH config.h &&
2621
    echo "config.h is unchanged" ||
2622
    mv -f $TMPH config.h
2623

    
2624
# build tree in object directory if source path is different from current one
2625
if enabled source_path_used; then
2626
    DIRS="\
2627
        doc               \
2628
        libavcodec        \
2629
        libavcodec/alpha  \
2630
        libavcodec/arm    \
2631
        libavcodec/bfin   \
2632
        libavcodec/mlib   \
2633
        libavcodec/ppc    \
2634
        libavcodec/sh4    \
2635
        libavcodec/sparc  \
2636
        libavcodec/x86    \
2637
        libavdevice       \
2638
        libavfilter       \
2639
        libavformat       \
2640
        libavutil         \
2641
        libpostproc       \
2642
        libswscale        \
2643
        libswscale/bfin   \
2644
        libswscale/mlib   \
2645
        libswscale/ppc    \
2646
        libswscale/sparc  \
2647
        libswscale/x86    \
2648
        tests             \
2649
        tools             \
2650
        "
2651
    FILES="\
2652
        Makefile             \
2653
        common.mak           \
2654
        subdir.mak           \
2655
        doc/texi2pod.pl      \
2656
        libavcodec/Makefile  \
2657
        libavdevice/Makefile \
2658
        libavfilter/Makefile \
2659
        libavformat/Makefile \
2660
        libavutil/Makefile   \
2661
        libpostproc/Makefile \
2662
        libswscale/Makefile  \
2663
        "
2664
    for dir in $DIRS ; do
2665
        mkdir -p $dir
2666
    done
2667
    for f in $FILES ; do
2668
        $ln_s "$source_path/$f" $f
2669
    done
2670
fi
2671

    
2672

    
2673
# build pkg-config files
2674

    
2675
pkgconfig_generate(){
2676
name=$1
2677
shortname=${name#lib}${build_suffix}
2678
comment=$2
2679
version=$3
2680
libs=$4
2681
requires=$5
2682
cat <<EOF > $name/$name.pc
2683
prefix=$prefix
2684
exec_prefix=\${prefix}
2685
libdir=$libdir
2686
includedir=$incdir
2687

    
2688
Name: $name
2689
Description: $comment
2690
Version: $version
2691
Requires: $(disabled shared && echo $requires)
2692
Requires.private: $(enabled shared && echo $requires)
2693
Conflicts:
2694
Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2695
Libs.private: $(enabled shared && echo $libs)
2696
Cflags: -I\${includedir}
2697
EOF
2698
cat <<EOF > $name/$name-uninstalled.pc
2699
prefix=
2700
exec_prefix=
2701
libdir=\${pcfiledir}
2702
includedir=${source_path}
2703

    
2704
Name: $name
2705
Description: $comment
2706
Version: $version
2707
Requires: $requires
2708
Conflicts:
2709
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2710
Cflags: -I\${includedir}
2711
EOF
2712
}
2713

    
2714
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2715
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2716
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2717
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2718
enabled avfilter &&
2719
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2720
enabled postproc &&
2721
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2722
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"