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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
244
    log END $1
245
}
246

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
966
# options emitted with CONFIG_ prefix but not available on command line
967
CONFIG_EXTRA="
968
    gplv3
969
    lgplv3
970
"
971

    
972
CMDLINE_SELECT="
973
    $ARCH_EXT_LIST
974
    $CONFIG_LIST
975
    $THREADS_LIST
976
    cross_compile
977
    debug
978
    extra_warnings
979
    logging
980
    optimizations
981
    stripping
982
    yasm
983
"
984

    
985
PATHS_LIST='
986
    bindir
987
    datadir
988
    incdir
989
    libdir
990
    mandir
991
    prefix
992
    shlibdir
993
'
994

    
995
CMDLINE_SET="
996
    $PATHS_LIST
997
    arch
998
    as
999
    build_suffix
1000
    cc
1001
    cpu
1002
    cross_prefix
1003
    dep_cc
1004
    extra_cflags
1005
    extra_version
1006
    host_cc
1007
    host_cflags
1008
    host_ldflags
1009
    host_libs
1010
    host_os
1011
    ld
1012
    logfile
1013
    nm
1014
    source_path
1015
    sysinclude
1016
    sysroot
1017
    target_exec
1018
    target_os
1019
    target_path
1020
"
1021

    
1022
# code dependency declarations
1023

    
1024
# architecture extensions
1025
altivec_deps="ppc"
1026
amd3dnow_deps="mmx"
1027
amd3dnowext_deps="amd3dnow"
1028
armv5te_deps="arm"
1029
armv6_deps="arm"
1030
armv6t2_deps="arm"
1031
armvfp_deps="arm"
1032
iwmmxt_deps="arm"
1033
mmi_deps="mips"
1034
mmx_deps="x86"
1035
mmx2_deps="mmx"
1036
neon_deps="arm"
1037
ppc4xx_deps="ppc"
1038
sse_deps="mmx"
1039
ssse3_deps="sse"
1040
vis_deps="sparc"
1041

    
1042
need_memalign="altivec neon sse"
1043

    
1044
# decoders / encoders / hardware accelerators
1045
aac_decoder_select="fft mdct"
1046
ac3_decoder_select="fft mdct"
1047
atrac3_decoder_select="fft mdct"
1048
cavs_decoder_select="golomb"
1049
cook_decoder_select="fft mdct"
1050
cscd_decoder_suggest="zlib"
1051
dca_decoder_select="fft mdct"
1052
dnxhd_encoder_select="aandct"
1053
dxa_decoder_select="zlib"
1054
eac3_decoder_select="fft mdct"
1055
eatgq_decoder_select="aandct"
1056
eatqi_decoder_select="aandct"
1057
ffv1_decoder_select="golomb"
1058
flac_decoder_select="golomb"
1059
flac_encoder_select="golomb"
1060
flashsv_decoder_select="zlib"
1061
flashsv_encoder_select="zlib"
1062
flv_encoder_select="aandct"
1063
h261_encoder_select="aandct"
1064
h263_encoder_select="aandct"
1065
h263_vaapi_hwaccel_deps="va_va_h"
1066
h263_vaapi_hwaccel_select="vaapi h263_decoder"
1067
h263p_encoder_select="aandct"
1068
h264_decoder_select="golomb"
1069
h264_vaapi_hwaccel_deps="va_va_h"
1070
h264_vaapi_hwaccel_select="vaapi"
1071
h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1072
h264_vdpau_decoder_select="vdpau h264_decoder"
1073
imc_decoder_select="fft mdct"
1074
jpegls_decoder_select="golomb"
1075
jpegls_encoder_select="golomb"
1076
ljpeg_encoder_select="aandct"
1077
loco_decoder_select="golomb"
1078
mjpeg_encoder_select="aandct"
1079
mpeg1video_encoder_select="aandct"
1080
mpeg2video_encoder_select="aandct"
1081
mpeg4_encoder_select="aandct"
1082
mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1083
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1084
mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1085
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1086
mpeg2_vaapi_hwaccel_deps="va_va_h"
1087
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1088
mpeg4_vaapi_hwaccel_deps="va_va_h"
1089
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1090
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1091
msmpeg4v1_encoder_select="aandct"
1092
msmpeg4v2_encoder_select="aandct"
1093
msmpeg4v3_encoder_select="aandct"
1094
nellymoser_decoder_select="fft mdct"
1095
nellymoser_encoder_select="fft mdct"
1096
png_decoder_select="zlib"
1097
png_encoder_select="zlib"
1098
qdm2_decoder_select="fft mdct rdft"
1099
rv10_encoder_select="aandct"
1100
rv20_encoder_select="aandct"
1101
rv30_decoder_select="golomb"
1102
rv40_decoder_select="golomb"
1103
shorten_decoder_select="golomb"
1104
sonic_decoder_select="golomb"
1105
sonic_encoder_select="golomb"
1106
sonic_ls_encoder_select="golomb"
1107
svq3_decoder_select="golomb"
1108
svq3_decoder_suggest="zlib"
1109
tiff_decoder_suggest="zlib"
1110
tiff_encoder_suggest="zlib"
1111
tscc_decoder_select="zlib"
1112
vc1_vaapi_hwaccel_deps="va_va_h"
1113
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1114
vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1115
vc1_vdpau_decoder_select="vdpau vc1_decoder"
1116
vorbis_decoder_select="fft mdct"
1117
vorbis_encoder_select="fft mdct"
1118
wmav1_decoder_select="fft mdct"
1119
wmav1_encoder_select="fft mdct"
1120
wmav2_decoder_select="fft mdct"
1121
wmav2_encoder_select="fft mdct"
1122
wmv1_encoder_select="aandct"
1123
wmv2_encoder_select="aandct"
1124
wmv3_vaapi_hwaccel_deps="va_va_h"
1125
wmv3_vaapi_hwaccel_select="vaapi wmv3_decoder"
1126
wmv3_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1127
wmv3_vdpau_decoder_select="vdpau wmv3_decoder"
1128
zlib_decoder_select="zlib"
1129
zlib_encoder_select="zlib"
1130
zmbv_decoder_select="zlib"
1131
zmbv_encoder_select="zlib"
1132

    
1133
# parsers
1134
h264_parser_select="golomb"
1135

    
1136
# external libraries
1137
libdirac_decoder_deps="libdirac !libschroedinger"
1138
libdirac_encoder_deps="libdirac"
1139
libfaac_encoder_deps="libfaac"
1140
libfaad_decoder_deps="libfaad"
1141
libfaadbin_decoder_extralibs='$ldl'
1142
libgsm_decoder_deps="libgsm"
1143
libgsm_encoder_deps="libgsm"
1144
libgsm_ms_decoder_deps="libgsm"
1145
libgsm_ms_encoder_deps="libgsm"
1146
libmp3lame_encoder_deps="libmp3lame"
1147
libopencore_amrnb_decoder_deps="libopencore_amrnb"
1148
libopencore_amrnb_encoder_deps="libopencore_amrnb"
1149
libopencore_amrwb_decoder_deps="libopencore_amrwb"
1150
libopenjpeg_decoder_deps="libopenjpeg"
1151
libschroedinger_decoder_deps="libschroedinger"
1152
libschroedinger_encoder_deps="libschroedinger"
1153
libspeex_decoder_deps="libspeex"
1154
libtheora_encoder_deps="libtheora"
1155
libvorbis_encoder_deps="libvorbis"
1156
libx264_encoder_deps="libx264"
1157
libxvid_encoder_deps="libxvid"
1158

    
1159
# demuxers / muxers
1160
ac3_demuxer_deps="ac3_parser"
1161
asf_stream_muxer_select="asf_muxer"
1162
avisynth_demuxer_deps="avisynth"
1163
dirac_demuxer_deps="dirac_parser"
1164
ipod_muxer_select="mov_muxer"
1165
libnut_demuxer_deps="libnut"
1166
libnut_muxer_deps="libnut"
1167
matroska_audio_muxer_select="matroska_muxer"
1168
matroska_demuxer_suggest="zlib bzlib"
1169
mov_demuxer_suggest="zlib"
1170
mp3_demuxer_deps="mpegaudio_parser"
1171
mp4_muxer_select="mov_muxer"
1172
mpegtsraw_demuxer_select="mpegts_demuxer"
1173
mxf_d10_muxer_select="mxf_muxer"
1174
psp_muxer_select="mov_muxer"
1175
redir_demuxer_deps="network"
1176
rtp_muxer_deps="network rtp_protocol"
1177
rtsp_demuxer_deps="sdp_demuxer"
1178
sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1179
tg2_muxer_select="mov_muxer"
1180
tgp_muxer_select="mov_muxer"
1181

    
1182
# indevs / outdevs
1183
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1184
alsa_indev_extralibs="-lasound"
1185
alsa_outdev_deps="alsa_asoundlib_h"
1186
alsa_outdev_extralibs="-lasound"
1187
audio_beos_indev_deps="audio_beos"
1188
audio_beos_indev_extralibs="-lmedia -lbe"
1189
audio_beos_outdev_deps="audio_beos"
1190
audio_beos_outdev_extralibs="-lmedia -lbe"
1191
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1192
dv1394_indev_deps="dv1394 dv_demuxer"
1193
jack_indev_deps="jack_jack_h"
1194
jack_indev_extralibs="-ljack"
1195
libdc1394_indev_deps="libdc1394"
1196
oss_indev_deps_any="soundcard_h sys_soundcard_h"
1197
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1198
v4l_indev_deps="linux_videodev_h"
1199
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1200
vfwcap_indev_deps="capCreateCaptureWindow"
1201
vfwcap_indev_extralibs="-lvfw32"
1202
x11_grab_device_indev_deps="x11grab XShmCreateImage"
1203
x11_grab_device_indev_extralibs="-lX11 -lXext"
1204

    
1205
# protocols
1206
gopher_protocol_deps="network"
1207
http_protocol_deps="network"
1208
rtp_protocol_deps="udp_protocol"
1209
tcp_protocol_deps="network"
1210
udp_protocol_deps="network"
1211

    
1212
# filters
1213
movie_filter_deps="avfilter_lavf"
1214

    
1215
# programs
1216
ffplay_deps="sdl"
1217
ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1218
ffserver_extralibs='$ldl'
1219

    
1220

    
1221
# default parameters
1222

    
1223
logfile="config.err"
1224

    
1225
# installation paths
1226
prefix_default="/usr/local"
1227
bindir_default='${prefix}/bin'
1228
datadir_default='${prefix}/share/ffmpeg'
1229
incdir_default='${prefix}/include'
1230
libdir_default='${prefix}/lib'
1231
mandir_default='${prefix}/share/man'
1232
shlibdir_default="$libdir_default"
1233

    
1234
# toolchain
1235
ar="ar"
1236
cc_default="gcc"
1237
host_cc_default="gcc"
1238
ln_s="ln -sf"
1239
nm_default="nm"
1240
objformat="elf"
1241
ranlib="ranlib"
1242
strip="strip"
1243
yasmexe="yasm"
1244

    
1245
# machine
1246
arch=$(uname -m)
1247
cpu="generic"
1248

    
1249
# OS
1250
target_os=$(tolower $(uname -s))
1251
host_os=$target_os
1252

    
1253
# configurable options
1254
enable debug
1255
enable fastdiv
1256
enable ffmpeg
1257
enable ffplay
1258
enable ffserver
1259
enable ipv6
1260
enable mpegaudio_hp
1261
enable network
1262
enable optimizations
1263
enable protocols
1264
enable static
1265
enable stripping
1266
enable swscale_alpha
1267

    
1268
# build settings
1269
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1270
FFSERVERLDFLAGS=-Wl,-E
1271
LIBPREF="lib"
1272
LIBSUF=".a"
1273
FULLNAME='$(NAME)$(BUILDSUF)'
1274
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1275
SLIBPREF="lib"
1276
SLIBSUF=".so"
1277
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1278
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1279
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1280
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1281

    
1282
CC_O='-o $@'
1283

    
1284
host_cflags='-O3 -g -Wall'
1285
host_libs='-lm'
1286

    
1287
target_path='.'
1288

    
1289
# gcc stupidly only outputs the basename of targets with -MM, but we need the
1290
# full relative path for objects in subdirectories for non-recursive Make.
1291
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1292
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1293

    
1294
# find source path
1295
source_path="$(dirname "$0")"
1296
enable source_path_used
1297
if test -z "$source_path" -o "$source_path" = "." ; then
1298
    source_path="$(pwd)"
1299
    disable source_path_used
1300
else
1301
    source_path="$(cd "$source_path"; pwd)"
1302
    echo "$source_path" | grep -q '[[:blank:]]' &&
1303
        die "Out of tree builds are impossible with whitespace in source path."
1304
    test -e "$source_path/config.h" &&
1305
        die "Out of tree builds are impossible with config.h in source dir."
1306
fi
1307

    
1308
for v in "$@"; do
1309
    r=${v#*=}
1310
    l=${v%"$r"}
1311
    r=$(sh_quote "$r")
1312
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1313
done
1314

    
1315
find_things(){
1316
    thing=$1
1317
    pattern=$2
1318
    file=$source_path/$3
1319
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1320
}
1321

    
1322
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1323
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1324
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1325
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1326
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1327
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1328
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1329
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1330
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1331
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1332
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1333

    
1334
enable $ARCH_EXT_LIST \
1335
       $DECODER_LIST \
1336
       $ENCODER_LIST \
1337
       $HWACCEL_LIST \
1338
       $PARSER_LIST \
1339
       $BSF_LIST \
1340
       $DEMUXER_LIST \
1341
       $MUXER_LIST \
1342
       $FILTER_LIST \
1343
       $PROTOCOL_LIST \
1344
       $INDEV_LIST \
1345
       $OUTDEV_LIST \
1346

    
1347
die_unknown(){
1348
    echo "Unknown option \"$1\"."
1349
    echo "See $0 --help for available options."
1350
    exit 1
1351
}
1352

    
1353
show_list() {
1354
    suffix=_$1
1355
    shift
1356
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1357
    exit 0
1358
}
1359

    
1360
for opt do
1361
    optval="${opt#*=}"
1362
    case "$opt" in
1363
    --extra-ldflags=*) add_ldflags $optval
1364
    ;;
1365
    --extra-libs=*) add_extralibs $optval
1366
    ;;
1367
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1368
    ;;
1369
    --enable-debug=*) debuglevel="$optval"
1370
    ;;
1371
    --enable-*=*|--disable-*=*)
1372
    eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
1373
    case "$thing" in
1374
        encoder|decoder|hwaccel|muxer|demuxer|indev|outdev|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1375
        *) die_unknown "$opt" ;;
1376
    esac
1377
    ;;
1378
    --enable-?*|--disable-?*)
1379
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1380
    if is_in $option $COMPONENT_LIST; then
1381
        test $action = disable && action=unset
1382
        eval $action \$$(toupper ${option%s})_LIST
1383
    elif is_in $option $CMDLINE_SELECT; then
1384
        $action $option
1385
    else
1386
        die_unknown $opt
1387
    fi
1388
    ;;
1389
    --list-*)
1390
        NAME="${opt#--list-}"
1391
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1392
        NAME=${NAME%s}
1393
        eval show_list $NAME \$$(toupper $NAME)_LIST
1394
    ;;
1395
    --help|-h) show_help
1396
    ;;
1397
    *)
1398
    optname="${opt%%=*}"
1399
    optname="${optname#--}"
1400
    optname=$(echo "$optname" | sed 's/-/_/g')
1401
    is_in $optname $CMDLINE_SET || die_unknown $opt
1402
    eval $optname='$optval'
1403
    ;;
1404
    esac
1405
done
1406

    
1407
disabled logging && logfile=/dev/null
1408

    
1409
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1410
set >> $logfile
1411

    
1412
test -n "$cross_prefix" && enable cross_compile
1413

    
1414
ar="${cross_prefix}${ar}"
1415
cc_default="${cross_prefix}${cc_default}"
1416
nm_default="${cross_prefix}${nm_default}"
1417
ranlib="${cross_prefix}${ranlib}"
1418
strip="${cross_prefix}${strip}"
1419

    
1420
sysinclude_default="${sysroot}/usr/include"
1421

    
1422
set_default cc nm sysinclude
1423
enabled cross_compile || host_cc_default=$cc
1424
set_default host_cc
1425

    
1426
exesuf() {
1427
    case $1 in
1428
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1429
    esac
1430
}
1431

    
1432
EXESUF=$(exesuf $target_os)
1433
HOSTEXESUF=$(exesuf $host_os)
1434

    
1435
# set temporary file name
1436
: ${TMPDIR:=$TEMPDIR}
1437
: ${TMPDIR:=$TMP}
1438
: ${TMPDIR:=/tmp}
1439

    
1440
if ! check_cmd type mktemp; then
1441
    # simple replacement for missing mktemp
1442
    # NOT SAFE FOR GENERAL USE
1443
    mktemp(){
1444
        echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1445
    }
1446
fi
1447

    
1448
tmpfile(){
1449
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1450
        (set -C; exec > $tmp) 2>/dev/null ||
1451
        die "Unable to create temoporary file in $TMPDIR."
1452
    append TMPFILES $tmp
1453
    eval $1=$tmp
1454
}
1455

    
1456
trap 'rm -f -- $TMPFILES' EXIT
1457
trap exit HUP INT TERM
1458

    
1459
tmpfile TMPC  .c
1460
tmpfile TMPE  $EXESUF
1461
tmpfile TMPH  .h
1462
tmpfile TMPO  .o
1463
tmpfile TMPS  .S
1464
tmpfile TMPSH .sh
1465

    
1466
unset -f mktemp
1467

    
1468
# make sure we can execute files in $TMPDIR
1469
cat > $TMPSH 2>> $logfile <<EOF
1470
#! /bin/sh
1471
EOF
1472
chmod +x $TMPSH >> $logfile 2>&1
1473
if ! $TMPSH >> $logfile 2>&1; then
1474
    cat <<EOF
1475
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1476
variable to another directory and make sure that it is not mounted noexec.
1477
EOF
1478
    die "Sanity test failed."
1479
fi
1480

    
1481
filter_cflags=echo
1482
filter_cppflags=echo
1483
filter_asflags=echo
1484

    
1485
if   $cc --version 2>/dev/null | grep -qi gcc; then
1486
    cc_type=gcc
1487
elif $cc --version 2>/dev/null | grep -q Intel; then
1488
    cc_type=icc
1489
elif $cc -v 2>&1 | grep -q xlc; then
1490
    cc_type=xlc
1491
elif $cc -V 2>/dev/null | grep -q Compaq; then
1492
    cc_type=ccc
1493
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1494
    debuglevel=3
1495
    add_ldflags -Wl,-z,now # calls to libots crash without this
1496
elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1497
    test -d "$sysroot" || die "No valid sysroot specified."
1498
    cc_type=armcc
1499
    armcc_conf="$PWD/armcc.conf"
1500
    $cc --arm_linux_configure                 \
1501
        --arm_linux_config_file="$armcc_conf" \
1502
        --configure_sysroot="$sysroot"        \
1503
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1504
        die "Error creating armcc configuration file."
1505
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1506
    as_default="${cross_prefix}gcc"
1507
fi
1508

    
1509
test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1510

    
1511
: ${as_default:=$cc}
1512
: ${dep_cc_default:=$cc}
1513
: ${ld_default:=$cc}
1514
set_default as dep_cc ld
1515

    
1516
add_cflags $extra_cflags
1517
add_asflags $extra_cflags
1518

    
1519
if test -n "$sysroot"; then
1520
    case "$cc_type" in
1521
        gcc)
1522
            add_cppflags --sysroot="$sysroot"
1523
            add_ldflags --sysroot="$sysroot"
1524
        ;;
1525
    esac
1526
fi
1527

    
1528
# compiler sanity check
1529
check_exec <<EOF
1530
int main(void){ return 0; }
1531
EOF
1532
if test "$?" != 0; then
1533
    echo "$cc is unable to create an executable file."
1534
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
1535
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1536
        echo "Only do this if you know what cross compiling means."
1537
    fi
1538
    die "C compiler test failed."
1539
fi
1540

    
1541
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1542
check_cflags -std=c99
1543
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1544
#include <stdlib.h>
1545
EOF
1546
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
1547
#include <stdlib.h>
1548
EOF
1549

    
1550
case "$arch" in
1551
    alpha)
1552
        arch="alpha"
1553
        enable fast_64bit
1554
        check_cflags -mieee
1555
    ;;
1556
    arm|armv[4567]*l)
1557
        arch="arm"
1558
    ;;
1559
    avr32)
1560
    ;;
1561
    bfin)
1562
        arch="bfin"
1563
    ;;
1564
    ia64)
1565
        arch="ia64"
1566
        enable fast_64bit
1567
    ;;
1568
    m68k)
1569
        arch="m68k"
1570
    ;;
1571
    mips|mipsel|IP*)
1572
        arch="mips"
1573
    ;;
1574
    mips64)
1575
        arch="mips"
1576
        subarch="mips64"
1577
        enable fast_64bit
1578
    ;;
1579
    parisc|hppa)
1580
        arch="parisc"
1581
    ;;
1582
    parisc64|hppa64)
1583
        arch="parisc"
1584
        enable fast_64bit
1585
    ;;
1586
    "Power Macintosh"|ppc|powerpc)
1587
        arch="ppc"
1588
        enable fast_unaligned
1589
    ;;
1590
    ppc64)
1591
        arch="ppc"
1592
        subarch="ppc64"
1593
        enable fast_64bit
1594
        enable fast_unaligned
1595
    ;;
1596
    s390|s390x)
1597
        arch="s390"
1598
    ;;
1599
    sh4|sh)
1600
        arch="sh4"
1601
    ;;
1602
    sparc)
1603
        arch="sparc"
1604
    ;;
1605
    sun4u|sparc64)
1606
        arch="sparc"
1607
        subarch="sparc64"
1608
        enable fast_64bit
1609
    ;;
1610
    i386|i486|i586|i686|i86pc|BePC)
1611
        arch="x86"
1612
        subarch="x86_32"
1613
        enable fast_unaligned
1614
    ;;
1615
    x86_64|amd64)
1616
        arch="x86"
1617
        subarch="x86_32"
1618
        enable cmov
1619
        enable fast_cmov
1620
        enable fast_unaligned
1621
        check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1622
        int test[sizeof(char*) - 7];
1623
EOF
1624
    ;;
1625
    *)
1626
        arch="unknown"
1627
    ;;
1628
esac
1629

    
1630
enable $arch $subarch
1631

    
1632
# OS specific
1633
case $target_os in
1634
    beos|haiku|zeta)
1635
        prefix_default="$HOME/config"
1636
        # helps building libavcodec
1637
        add_cppflags -DPIC
1638
        add_cflags -fomit-frame-pointer
1639
        # 3 gcc releases known for BeOS, each with ugly bugs
1640
        gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1641
        case "$gcc_version" in
1642
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1643
            disable mmx
1644
            ;;
1645
          *20010315*) echo "BeBits gcc"
1646
            add_cflags -fno-expensive-optimizations
1647
            ;;
1648
        esac
1649
        SHFLAGS=-nostart
1650
        # enable BeOS things
1651
        enable audio_beos
1652
        # no need for libm, but the inet stuff
1653
        # Check for BONE
1654
        # XXX: actually should check for NOT net_server
1655
        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1656
            network_extralibs="-lbind -lsocket"
1657
        else
1658
            enable beos_netserver
1659
            network_extralibs="-lnet"
1660
        fi ;;
1661
    sunos)
1662
        FFSERVERLDFLAGS=""
1663
        SHFLAGS='-shared -Wl,-h,$$(@F)'
1664
        network_extralibs="-lsocket -lnsl"
1665
        add_cppflags -D__EXTENSIONS__
1666
        ;;
1667
    netbsd)
1668
        oss_indev_extralibs="-lossaudio"
1669
        oss_outdev_extralibs="-lossaudio"
1670
        ;;
1671
    openbsd)
1672
        enable malloc_aligned
1673
        LIBOBJFLAGS='$(PIC)'
1674
        SHFLAGS='-shared'
1675
        oss_indev_extralibs="-lossaudio"
1676
        oss_outdev_extralibs="-lossaudio"
1677
        ;;
1678
    freebsd|dragonfly)
1679
        enable malloc_aligned
1680
        ;;
1681
    bsd/os)
1682
        osextralibs="-lpoll -lgnugetopt"
1683
        strip="strip -d"
1684
        ;;
1685
    darwin)
1686
        enable malloc_aligned
1687
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1688
        strip="strip -x"
1689
        FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1690
        SLIBSUF=".dylib"
1691
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1692
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1693
        FFSERVERLDFLAGS=-Wl,-bind_at_load
1694
        objformat="macho"
1695
        enabled x86_64 && objformat="macho64"
1696
        ;;
1697
    mingw32*)
1698
        target_os=mingw32
1699
        LIBTARGET=i386
1700
        if enabled x86_64; then
1701
            enable malloc_aligned
1702
            LIBTARGET=x64
1703
        elif enabled arm; then
1704
            LIBTARGET=arm
1705
        fi
1706
        shlibdir_default="$bindir_default"
1707
        disable ffserver
1708
        SLIBPREF=""
1709
        SLIBSUF=".dll"
1710
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1711
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1712
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1713
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1714
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
1715
            install -d "$(LIBDIR)"; \
1716
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
1717
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1718
        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'
1719
        objformat="win32"
1720
        enable dos_paths
1721
        check_cflags -fno-common
1722
        if ! enabled x86_64; then
1723
            check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1724
                die "ERROR: MinGW runtime version must be >= 3.15."
1725
            enabled_any avisynth vfwcap_demuxer &&
1726
                { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1727
                  die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1728
            fi
1729
        ;;
1730
    cygwin*)
1731
        target_os=cygwin
1732
        shlibdir_default="$bindir_default"
1733
        SLIBPREF="cyg"
1734
        SLIBSUF=".dll"
1735
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1736
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1737
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
1738
        objformat="win32"
1739
        enable dos_paths
1740
        check_cflags -fno-common
1741
        ;;
1742
    *-dos|freedos|opendos)
1743
        disable ffplay ffserver
1744
        disable $INDEV_LIST $OUTDEV_LIST
1745
        network_extralibs="-lsocket"
1746
        objformat="coff"
1747
        enable dos_paths
1748
        ;;
1749
    linux)
1750
        enable dv1394
1751
        ;;
1752
    irix*)
1753
        target_os=irix
1754
        ranlib="echo ignoring ranlib"
1755
        ;;
1756
    os/2*)
1757
        strip="lxlite"
1758
        ln_s="cp -f"
1759
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1760
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1761
        FFSERVERLDFLAGS=""
1762
        LIBSUF="_s.a"
1763
        SLIBPREF=""
1764
        SLIBSUF=".dll"
1765
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1766
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1767
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1768
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1769
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1770
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1771
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1772
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1773
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1774
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1775
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1776
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1777
        enable dos_paths
1778
        ;;
1779
    gnu/kfreebsd)
1780
        ;;
1781
    gnu)
1782
        ;;
1783

    
1784
    *)
1785
        die "Unknown OS '$target_os'."
1786
        ;;
1787
esac
1788

    
1789
set_default $PATHS_LIST
1790

    
1791
add_extralibs $osextralibs
1792

    
1793
# Combine FFLDFLAGS and the LDFLAGS environment variable.
1794
LDFLAGS="$FFLDFLAGS $LDFLAGS"
1795

    
1796
# we need to build at least one lib type
1797
if ! enabled_any static shared; then
1798
    cat <<EOF
1799
At least one library type must be built.
1800
Specify --enable-static to build the static libraries or --enable-shared to
1801
build the shared libraries as well. To only build the shared libraries specify
1802
--disable-static in addition to --enable-shared.
1803
EOF
1804
    exit 1;
1805
fi
1806

    
1807
disabled static && LIBNAME=""
1808

    
1809
if enabled_any libfaad libfaadbin ; then
1810
    if check_header faad.h; then
1811
        check_cc <<EOF
1812
#include <faad.h>
1813
#ifndef FAAD2_VERSION
1814
ok faad1
1815
#endif
1816
int main(void) { return 0; }
1817
EOF
1818
        test $? = 0 && enable libfaad2
1819
    else
1820
        die "FAAD test failed."
1821
    fi
1822
fi
1823

    
1824

    
1825
die_license_disabled() {
1826
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
1827
}
1828

    
1829
die_license_disabled gpl libfaad2
1830
die_license_disabled gpl libx264
1831
die_license_disabled gpl libxvid
1832
die_license_disabled gpl postproc
1833
die_license_disabled gpl x11grab
1834

    
1835
die_license_disabled nonfree libfaac
1836

    
1837
die_license_disabled version3 libopencore_amrnb
1838
die_license_disabled version3 libopencore_amrwb
1839

    
1840
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
1841

    
1842
check_deps $ARCH_EXT_LIST
1843

    
1844
#Darwin CC versions
1845
if test $target_os = darwin; then
1846
    if enabled xlc; then
1847
        add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1848
    else
1849
        add_cflags -pipe
1850
        check_cflags -force_cpusubtype_ALL
1851
        check_cflags -Wno-sign-compare
1852
        enabled shared || check_cflags -mdynamic-no-pic
1853
    fi
1854
fi
1855

    
1856
disabled optimizations || check_cflags -fomit-frame-pointer
1857

    
1858
# Add processor-specific flags
1859
    case $cpu in
1860
        601|ppc601|PowerPC601)
1861
            cpuflags="-mcpu=601"
1862
        ;;
1863
        603*|ppc603*|PowerPC603*)
1864
            cpuflags="-mcpu=603"
1865
        ;;
1866
        604*|ppc604*|PowerPC604*)
1867
            cpuflags="-mcpu=604"
1868
        ;;
1869
        G3|g3|75*|ppc75*|PowerPC75*)
1870
            cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1871
        ;;
1872
        G4|g4|745*|ppc745*|PowerPC745*)
1873
            cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1874
        ;;
1875
        74*|ppc74*|PowerPC74*)
1876
            cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1877
        ;;
1878
        G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1879
            cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1880
        ;;
1881
        Cell|CELL|cell)
1882
            cpuflags="-mcpu=cell"
1883
            enable ldbrx
1884
        ;;
1885
        # targets that do NOT support conditional mov (cmov)
1886
        i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1887
            cpuflags="-march=$cpu"
1888
            disable cmov
1889
        ;;
1890
        # targets that do support conditional mov (cmov)
1891
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1892
            cpuflags="-march=$cpu"
1893
            enable cmov
1894
            enable fast_cmov
1895
        ;;
1896
        # targets that do support conditional mov but on which it's slow
1897
        pentium4|pentium4m|prescott|nocona)
1898
            cpuflags="-march=$cpu"
1899
            enable cmov
1900
            disable fast_cmov
1901
        ;;
1902
        sparc64)
1903
            cpuflags="-mcpu=v9"
1904
        ;;
1905
        arm11*|cortex*)
1906
            cpuflags="-mcpu=$cpu"
1907
            enable fast_unaligned
1908
        ;;
1909
        armv[67]*)
1910
            cpuflags="-march=$cpu"
1911
            enable fast_unaligned
1912
        ;;
1913
        armv*)
1914
            cpuflags="-march=$cpu"
1915
        ;;
1916
        arm*)
1917
            cpuflags="-mcpu=$cpu"
1918
        ;;
1919
        ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1920
            enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1921
        ;;
1922
        bf*)
1923
            cpuflags="-mcpu=$cpu"
1924
        ;;
1925
        mips*|[45]k*|[237]4k*|m4k|r*000|loongson2[ef])
1926
            cpuflags="-march=$cpu"
1927
        ;;
1928
        generic)
1929
        ;;
1930
        *)
1931
            echo "WARNING: Unknown CPU \"$cpu\", ignored."
1932
        ;;
1933
    esac
1934

    
1935
add_cflags $cpuflags
1936
add_asflags $cpuflags
1937

    
1938
check_cc <<EOF || die "Symbol mangling check failed."
1939
int ff_extern;
1940
EOF
1941
sym=$($nm -P -g $TMPO | grep ff_extern)
1942
extern_prefix=${sym%%ff_extern*}
1943

    
1944
check_cc <<EOF && enable inline_asm
1945
void foo(void) { __asm__ volatile ("" ::); }
1946
EOF
1947

    
1948
if enabled x86; then
1949
    # check whether EBP is available on x86
1950
    # As 'i' is stored on the stack, this program will crash
1951
    # if the base pointer is used to access it because the
1952
    # base pointer is cleared in the inline assembly code.
1953
    check_exec_crash <<EOF && enable ebp_available
1954
    volatile int i=0;
1955
    __asm__ volatile (
1956
        "xorl %%ebp, %%ebp"
1957
    ::: "%ebp");
1958
    return i;
1959
EOF
1960

    
1961
    # check wether EBX is available on x86
1962
    check_asm ebx_available '"":::"%ebx"'
1963

    
1964
    # check whether more than 10 operands are supported
1965
    check_cc <<EOF && enable ten_operands
1966
int main(void) {
1967
    int x=0;
1968
    __asm__ volatile(
1969
        ""
1970
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
1971
    );
1972
    return 0;
1973
}
1974
EOF
1975

    
1976
    # check whether binutils is new enough to compile SSSE3/MMX2
1977
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1978
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
1979

    
1980
    check_asm bswap '"bswap %%eax" ::: "%eax"'
1981

    
1982
    YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
1983
    enabled     x86_64        && append YASMFLAGS "-m amd64"
1984
    enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1985
    case "$objformat" in
1986
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1987
        macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
1988
        *)                    append YASMFLAGS "-DPREFIX"  ;;
1989
    esac
1990
    disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
1991
fi
1992

    
1993
# check for assembler specific support
1994

    
1995
enabled mips && check_asm loongson '"dmult.g $1, $2, $3"'
1996

    
1997
enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
1998
enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
1999
enabled ppc && check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
2000

    
2001
# check for SIMD availability
2002

    
2003
# AltiVec flags: The FSF version of GCC differs from the Apple version
2004
if enabled altivec; then
2005
    check_cflags -maltivec -mabi=altivec &&
2006
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2007
        check_cflags -faltivec
2008

    
2009
    # check if our compiler supports Motorola AltiVec C API
2010
    check_cc <<EOF || disable altivec
2011
$inc_altivec_h
2012
int main(void) {
2013
    vector signed int v1, v2, v3;
2014
    v1 = vec_add(v2,v3);
2015
    return 0;
2016
}
2017
EOF
2018

    
2019
    # check if our compiler supports braces for vector declarations
2020
    check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2021
$inc_altivec_h
2022
int main (void) { (vector int) {1}; return 0; }
2023
EOF
2024
fi
2025

    
2026
# We have to check if pld is a nop and disable it.
2027
enabled arm     && check_asm pld     '"pld [r0]"'
2028
enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2029
enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2030
enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2031
enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2032
enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2033
enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2034
enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2035
enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
2036

    
2037
enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2038

    
2039
# ---
2040
# big/little-endian test
2041
check_cc <<EOF || die "endian test failed"
2042
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2043
EOF
2044
od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2045

    
2046
# ---
2047
# check availability of some header files
2048

    
2049
if check_func dlopen; then
2050
    ldl=
2051
elif check_func dlopen -ldl; then
2052
    ldl=-ldl
2053
fi
2054

    
2055
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2056
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2057

    
2058
check_func  fork
2059
check_func  gethrtime
2060
check_func  getrusage
2061
check_func  inet_aton $network_extralibs
2062
check_func  memalign
2063
check_func  mkstemp
2064
check_func  posix_memalign
2065
check_func_headers io.h setmode
2066
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2067
check_func_headers windows.h GetProcessTimes
2068
check_func_headers windows.h VirtualAlloc
2069

    
2070
check_header conio.h
2071
check_header dlfcn.h
2072
check_header malloc.h
2073
check_header poll.h
2074
check_header sys/mman.h
2075
check_header sys/resource.h
2076
check_header sys/select.h
2077
check_header termios.h
2078
check_header vdpau/vdpau.h
2079
check_header vdpau/vdpau_x11.h
2080
check_header X11/extensions/XvMClib.h
2081

    
2082
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2083
     enabled_any $need_memalign ; then
2084
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2085
fi
2086

    
2087
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2088
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2089

    
2090
# check for some common methods of building with pthread support
2091
# do this before the optional library checks as some of them require pthreads
2092
if enabled pthreads; then
2093
    if check_func pthread_create; then
2094
        :
2095
    elif check_func pthread_create -pthread; then
2096
        add_cflags -pthread
2097
        add_extralibs -pthread
2098
    elif check_func pthread_create -pthreads; then
2099
        add_cflags -pthreads
2100
        add_extralibs -pthreads
2101
    elif check_func pthread_create -lpthreadGC2; then
2102
        add_extralibs -lpthreadGC2
2103
    elif ! check_lib pthread.h pthread_create -lpthread; then
2104
        die "ERROR: can't find pthreads library"
2105
    fi
2106
fi
2107

    
2108
for thread in $THREADS_LIST; do
2109
    if enabled $thread; then
2110
        test -n "$thread_type" &&
2111
            die "ERROR: Only one thread type must be selected." ||
2112
            thread_type="$thread"
2113
    fi
2114
done
2115

    
2116
check_lib math.h sin -lm
2117
check_lib va/va.h vaInitialize -lva
2118

    
2119
check_func llrint
2120
check_func log2
2121
check_func lrint
2122
check_func lrintf
2123
check_func round
2124
check_func roundf
2125
check_func truncf
2126

    
2127
# these are off by default, so fail if requested and not available
2128
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2129
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2130
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2131
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
2132
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2133
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2134
enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
2135
enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2136
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2137
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2138
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2139
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2140
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2141
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2142
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2143
enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
2144
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2145
enabled libx264    && require  libx264 x264.h x264_encoder_open -lx264 -lm &&
2146
                      { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2147
                        die "ERROR: libx264 version must be >= 0.65."; }
2148
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2149
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2150

    
2151
# libdc1394 check
2152
if enabled libdc1394; then
2153
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2154
        enable libdc1394_2; } ||
2155
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2156
        enable libdc1394_1; } ||
2157
    die "ERROR: No version of libdc1394 found "
2158
fi
2159

    
2160

    
2161
_restrict=
2162
for restrict_keyword in restrict __restrict__ __restrict; do
2163
    check_cc <<EOF && _restrict=$restrict_keyword && break
2164
void foo(char * $restrict_keyword p);
2165
EOF
2166
done
2167

    
2168
##########################################
2169
# SDL check
2170

    
2171
disable sdl_too_old
2172
disable sdl
2173
SDL_CONFIG="${cross_prefix}sdl-config"
2174
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2175
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2176
    temp_cflags $sdl_cflags
2177
    temp_extralibs $("${SDL_CONFIG}" --libs)
2178
    if check_lib2 SDL.h SDL_Init; then
2179
        _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2180
        if test "$_sdlversion" -lt 121 ; then
2181
            enable sdl_too_old
2182
        else
2183
            enable sdl
2184
            check_cc $sdl_cflags <<EOF && enable sdl_video_size
2185
#include <SDL.h>
2186
int main(int argc, char **argv){
2187
    const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2188
    int w = vi->current_w;
2189
    return 0;
2190
}
2191
EOF
2192
        fi
2193
    fi
2194
    restore_flags
2195
fi
2196

    
2197
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2198

    
2199
##########################################
2200
# Network check
2201

    
2202
if enabled network; then
2203
    check_type "sys/types.h sys/socket.h" socklen_t
2204
    # Prefer arpa/inet.h over winsock2
2205
    if check_header arpa/inet.h ; then
2206
        check_func closesocket
2207
    elif check_header winsock2.h ; then
2208
        check_func_headers winsock2.h closesocket -lws2 && \
2209
            network_extralibs="-lws2" || \
2210
        { check_func_headers winsock2.h closesocket -lws2_32 && \
2211
            network_extralibs="-lws2_32"; }
2212
        check_type ws2tcpip.h socklen_t
2213
    else
2214
        disable network
2215
    fi
2216
fi
2217

    
2218
##########################################
2219
# IPv6 check
2220

    
2221
enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
2222
#include <sys/types.h>
2223
#include <sys/socket.h>
2224
#include <netinet/in.h>
2225
#include <netdb.h>
2226
int main(void) {
2227
    struct sockaddr_storage saddr;
2228
    struct ipv6_mreq mreq6;
2229
    getaddrinfo(0,0,0,0);
2230
    getnameinfo(0,0,0,0,0,0,0);
2231
    IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2232
}
2233
EOF
2234

    
2235
check_header linux/videodev.h
2236
check_header linux/videodev2.h
2237
check_header sys/videoio.h
2238

    
2239
check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2240

    
2241
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2242
{ check_header dev/bktr/ioctl_meteor.h &&
2243
  check_header dev/bktr/ioctl_bt848.h; } ||
2244
{ check_header machine/ioctl_meteor.h &&
2245
  check_header machine/ioctl_bt848.h; } ||
2246
{ check_header dev/video/meteor/ioctl_meteor.h &&
2247
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2248
check_header dev/ic/bt8xx.h
2249

    
2250
check_header sys/soundcard.h
2251
check_header soundcard.h
2252

    
2253
enabled alsa_demuxer || enabled alsa_muxer && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2254

    
2255
enabled jack_demuxer && check_lib2 jack/jack.h jack_client_open -ljack
2256

    
2257
# deal with the X11 frame grabber
2258
enabled x11grab                         &&
2259
check_header X11/Xlib.h                 &&
2260
check_header X11/extensions/XShm.h      &&
2261
check_func XOpenDisplay -lX11           &&
2262
check_func XShmCreateImage -lX11 -lXext
2263

    
2264
enabled debug && add_cflags -g"$debuglevel"
2265

    
2266
# add some useful compiler flags if supported
2267
check_cflags -Wdeclaration-after-statement
2268
check_cflags -Wall
2269
check_cflags -Wno-switch
2270
check_cflags -Wdisabled-optimization
2271
check_cflags -Wpointer-arith
2272
check_cflags -Wredundant-decls
2273
check_cflags -Wno-pointer-sign
2274
check_cflags -Wcast-qual
2275
check_cflags -Wwrite-strings
2276
check_cflags -Wtype-limits
2277
check_cflags -Wundef
2278
enabled extra_warnings && check_cflags -Winline
2279

    
2280
# add some linker flags
2281
check_ldflags -Wl,--warn-common
2282
check_ldflags -Wl,--as-needed
2283
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'
2284
check_ldflags -Wl,-Bsymbolic
2285

    
2286
if enabled small; then
2287
    check_cflags -Os            # not all compilers support -Os
2288
    optimizations="small"
2289
elif enabled optimizations; then
2290
    if enabled xlc; then
2291
        add_cflags  -O5
2292
        add_ldflags -O5
2293
    elif enabled ccc; then
2294
        add_cflags -fast
2295
    else
2296
        add_cflags -O3
2297
    fi
2298
fi
2299
check_cflags -fno-math-errno
2300
check_cflags -fno-signed-zeros
2301

    
2302
# add some flags for Intel C Compiler
2303
if enabled icc; then
2304
    # Just warnings, no remarks
2305
    check_cflags -w1
2306
    # -wd: Disable following warnings
2307
    # 144, 167, 556: -Wno-pointer-sign
2308
    # 10006: ignoring unknown option -fno-signed-zeros
2309
    # 10156: ignoring option '-W'; no argument required
2310
    check_cflags -wd144,167,556,10006,10156
2311
    # 11030: Warning unknown option --as-needed
2312
    # 10156: ignoring option '-export'; no argument required
2313
    check_ldflags -wd10156,11030
2314
    # Allow to compile with optimizations
2315
    check_ldflags -march=$cpu
2316
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2317
    enable ebp_available
2318
elif enabled ccc; then
2319
    # disable some annoying warnings
2320
    add_cflags -msg_disable cvtu32to64
2321
    add_cflags -msg_disable embedcomment
2322
    add_cflags -msg_disable needconstext
2323
    add_cflags -msg_disable nomainieee
2324
    add_cflags -msg_disable ptrmismatch1
2325
    add_cflags -msg_disable unreachcode
2326
elif enabled gcc; then
2327
    check_cflags -fno-tree-vectorize
2328
fi
2329

    
2330
# PIC flags for shared library objects where they are needed
2331
if enabled shared; then
2332
    # LIBOBJFLAGS may have already been set in the OS configuration
2333
    if test -z "$LIBOBJFLAGS" ; then
2334
        case "${subarch-$arch}" in
2335
            x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2336
        esac
2337
    fi
2338
fi
2339

    
2340
if enabled gprof; then
2341
    add_cflags  -p
2342
    add_ldflags -p
2343
fi
2344

    
2345
# Find out if the .align argument is a power of two or not.
2346
check_asm asmalign_pot '".align 3"'
2347

    
2348
enabled_any $DECODER_LIST      && enable decoders
2349
enabled_any $ENCODER_LIST      && enable encoders
2350
enabled_any $HWACCEL_LIST      && enable hwaccels
2351
enabled_any $BSF_LIST          && enable bsfs
2352
enabled_any $DEMUXER_LIST      && enable demuxers
2353
enabled_any $MUXER_LIST        && enable muxers
2354
enabled_any $FILTER_LIST       && enable filters
2355
enabled_any $INDEV_LIST        && enable demuxers
2356
enabled_any $OUTDEV_LIST       && enable muxers
2357
enabled_any $PROTOCOL_LIST     && enable protocols
2358

    
2359
enabled_any $THREADS_LIST      && enable threads
2360

    
2361
check_deps $CONFIG_LIST       \
2362
           $CONFIG_EXTRA      \
2363
           $HAVE_LIST         \
2364
           $DECODER_LIST      \
2365
           $ENCODER_LIST      \
2366
           $HWACCEL_LIST      \
2367
           $PARSER_LIST       \
2368
           $BSF_LIST          \
2369
           $DEMUXER_LIST      \
2370
           $MUXER_LIST        \
2371
           $FILTER_LIST       \
2372
           $INDEV_LIST        \
2373
           $OUTDEV_LIST       \
2374
           $PROTOCOL_LIST     \
2375

    
2376
echo "install prefix            $prefix"
2377
echo "source path               $source_path"
2378
echo "C compiler                $cc"
2379
echo ".align is power-of-two    $asmalign_pot"
2380
echo "ARCH                      $arch ($cpu)"
2381
if test "$build_suffix" != ""; then
2382
    echo "build suffix              $build_suffix"
2383
fi
2384
if test "$extra_version" != ""; then
2385
    echo "version string suffix     $extra_version"
2386
fi
2387
echo "big-endian                ${bigendian-no}"
2388
echo "runtime cpu detection     ${runtime_cpudetect-no}"
2389
if enabled x86; then
2390
    echo "yasm                      ${yasm-no}"
2391
    echo "MMX enabled               ${mmx-no}"
2392
    echo "MMX2 enabled              ${mmx2-no}"
2393
    echo "3DNow! enabled            ${amd3dnow-no}"
2394
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
2395
    echo "SSE enabled               ${sse-no}"
2396
    echo "SSSE3 enabled             ${ssse3-no}"
2397
    echo "CMOV enabled              ${cmov-no}"
2398
    echo "CMOV is fast              ${fast_cmov-no}"
2399
    echo "EBX available             ${ebx_available-no}"
2400
    echo "EBP available             ${ebp_available-no}"
2401
    echo "10 operands supported     ${ten_operands-no}"
2402
fi
2403
if enabled arm; then
2404
    echo "ARMv5TE enabled           ${armv5te-no}"
2405
    echo "ARMv6 enabled             ${armv6-no}"
2406
    echo "ARMv6T2 enabled           ${armv6t2-no}"
2407
    echo "ARM VFP enabled           ${armvfp-no}"
2408
    echo "IWMMXT enabled            ${iwmmxt-no}"
2409
    echo "NEON enabled              ${neon-no}"
2410
fi
2411
if enabled mips; then
2412
    echo "MMI enabled               ${mmi-no}"
2413
fi
2414
if enabled ppc; then
2415
    echo "AltiVec enabled           ${altivec-no}"
2416
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
2417
    echo "dcbzl available           ${dcbzl-no}"
2418
    echo "performance report        ${powerpc_perf-no}"
2419
fi
2420
if enabled sparc; then
2421
    echo "VIS enabled               ${vis-no}"
2422
fi
2423
echo "gprof enabled             ${gprof-no}"
2424
echo "debug symbols             ${debug-no}"
2425
echo "strip symbols             ${stripping-no}"
2426
echo "optimizations             ${optimizations-no}"
2427
echo "static                    ${static-no}"
2428
echo "shared                    ${shared-no}"
2429
echo "postprocessing support    ${postproc-no}"
2430
echo "new filter support        ${avfilter-no}"
2431
echo "filters using lavformat   ${avfilter_lavf-no}"
2432
echo "network support           ${network-no}"
2433
if enabled network; then
2434
    echo "IPv6 support              ${ipv6-no}"
2435
fi
2436
echo "threading support         ${thread_type-no}"
2437
echo "SDL support               ${sdl-no}"
2438
if enabled sdl_too_old; then
2439
    echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2440
fi
2441
echo "Sun medialib support      ${mlib-no}"
2442
echo "AVISynth enabled          ${avisynth-no}"
2443
echo "libdc1394 support         ${libdc1394-no}"
2444
echo "libdirac enabled          ${libdirac-no}"
2445
echo "libfaac enabled           ${libfaac-no}"
2446
echo "libfaad enabled           ${libfaad-no}"
2447
echo "libfaad dlopened          ${libfaadbin-no}"
2448
echo "libgsm enabled            ${libgsm-no}"
2449
echo "libmp3lame enabled        ${libmp3lame-no}"
2450
echo "libnut enabled            ${libnut-no}"
2451
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2452
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2453
echo "libopenjpeg enabled       ${libopenjpeg-no}"
2454
echo "libschroedinger enabled   ${libschroedinger-no}"
2455
echo "libspeex enabled          ${libspeex-no}"
2456
echo "libtheora enabled         ${libtheora-no}"
2457
echo "libvorbis enabled         ${libvorbis-no}"
2458
echo "libx264 enabled           ${libx264-no}"
2459
echo "libxvid enabled           ${libxvid-no}"
2460
echo "zlib enabled              ${zlib-no}"
2461
echo "bzlib enabled             ${bzlib-no}"
2462
echo
2463

    
2464
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2465
    echo "Enabled ${type}s:"
2466
    eval list=\$$(toupper $type)_LIST
2467
    for part in $list; do
2468
        enabled $part && echo ${part%_*}
2469
    done | sort | pr -3 -t
2470
    echo
2471
done
2472

    
2473
license="LGPL version 2.1 or later"
2474
if enabled nonfree; then
2475
    license="nonfree and unredistributable"
2476
elif enabled gplv3; then
2477
    license="GPL version 3 or later"
2478
elif enabled lgplv3; then
2479
    license="LGPL version 3 or later"
2480
elif enabled gpl; then
2481
    license="GPL version 2 or later"
2482
fi
2483

    
2484
echo "License: $license"
2485

    
2486
echo "Creating config.mak and config.h..."
2487

    
2488
echo "# Automatically generated by configure - do not modify!" > config.mak
2489
echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2490
echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2491
echo "#define FFMPEG_CONFIG_H" >> $TMPH
2492
echo "#define FFMPEG_CONFIGURATION \"$(c_escape $FFMPEG_CONFIGURATION)\"" >> $TMPH
2493
echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2494

    
2495
echo "ifndef FFMPEG_CONFIG_MAK" >> config.mak
2496
echo "FFMPEG_CONFIG_MAK=1" >> config.mak
2497

    
2498
echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2499
echo "prefix=$prefix" >> config.mak
2500
echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2501
echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2502
echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2503
echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2504
echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2505
echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2506
echo "SRC_PATH=\"$source_path\"" >> config.mak
2507
echo "SRC_PATH_BARE=$source_path" >> config.mak
2508
echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2509
echo "CC=$cc" >> config.mak
2510
echo "AS=$as" >> config.mak
2511
echo "LD=$ld" >> config.mak
2512
echo "DEPCC=$dep_cc" >> config.mak
2513
echo "YASM=$yasmexe" >> config.mak
2514
echo "AR=$ar" >> config.mak
2515
echo "RANLIB=$ranlib" >> config.mak
2516
echo "LN_S=$ln_s" >> config.mak
2517
enabled stripping &&
2518
    echo "STRIP=$strip" >> config.mak ||
2519
    echo "STRIP=echo ignoring strip" >> config.mak
2520

    
2521
echo "CPPFLAGS=$CPPFLAGS" >> config.mak
2522
echo "CFLAGS=$CFLAGS" >> config.mak
2523
echo "ASFLAGS=$ASFLAGS" >> config.mak
2524
echo "CC_O=$CC_O" >> config.mak
2525
echo "LDFLAGS=$LDFLAGS" >> config.mak
2526
echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2527
echo "SHFLAGS=$SHFLAGS" >> config.mak
2528
echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2529
echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2530
echo "BUILD_STATIC=$static" >> config.mak
2531
echo "BUILDSUF=$build_suffix" >> config.mak
2532
echo "FULLNAME=$FULLNAME" >> config.mak
2533
echo "LIBPREF=$LIBPREF" >> config.mak
2534
echo "LIBSUF=$LIBSUF" >> config.mak
2535
echo "LIBNAME=$LIBNAME" >> config.mak
2536
echo "SLIBPREF=$SLIBPREF" >> config.mak
2537
echo "SLIBSUF=$SLIBSUF" >> config.mak
2538
echo "EXESUF=$EXESUF" >> config.mak
2539
echo "EXTRA_VERSION=$extra_version" >> config.mak
2540
echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2541
echo "DEPFLAGS=$DEPFLAGS" >> config.mak
2542
echo "HOSTCC=$host_cc" >> config.mak
2543
echo "HOSTCFLAGS=$host_cflags" >> config.mak
2544
echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2545
echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2546
echo "HOSTLIBS=$host_libs" >> config.mak
2547
echo "TARGET_EXEC=$target_exec" >> config.mak
2548
echo "TARGET_PATH=$target_path" >> config.mak
2549

    
2550
if enabled bigendian; then
2551
    echo "WORDS_BIGENDIAN=yes" >> config.mak
2552
    echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2553
fi
2554

    
2555
if enabled sdl; then
2556
    echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2557
    echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
2558
fi
2559
if enabled texi2html; then
2560
    echo "BUILD_DOC=yes" >> config.mak
2561
fi
2562

    
2563
get_version(){
2564
    name=$1
2565
    file=$source_path/$2
2566
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2567
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2568
    lcname=$(tolower $name)
2569
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2570
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2571
}
2572

    
2573
get_version LIBSWSCALE  libswscale/swscale.h
2574
get_version LIBPOSTPROC libpostproc/postprocess.h
2575
get_version LIBAVCODEC  libavcodec/avcodec.h
2576
get_version LIBAVDEVICE libavdevice/avdevice.h
2577
get_version LIBAVFORMAT libavformat/avformat.h
2578
get_version LIBAVUTIL   libavutil/avutil.h
2579
get_version LIBAVFILTER libavfilter/avfilter.h
2580

    
2581
if enabled shared; then
2582
    echo "BUILD_SHARED=yes" >> config.mak
2583
    echo "PIC=-fPIC -DPIC" >> config.mak
2584
    echo "LIBTARGET=${LIBTARGET}" >> config.mak
2585
    echo "SLIBNAME=${SLIBNAME}" >> config.mak
2586
    echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2587
    echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2588
    echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2589
    echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2590
    echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2591
    echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2592
fi
2593
echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2594
echo "EXTRALIBS=$extralibs" >> config.mak
2595

    
2596
echo "ARCH=$arch" >> config.mak
2597

    
2598
print_config ARCH_   $TMPH config.mak $ARCH_LIST
2599
print_config HAVE_   $TMPH config.mak $HAVE_LIST
2600
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2601
                                      $CONFIG_EXTRA      \
2602
                                      $DECODER_LIST      \
2603
                                      $ENCODER_LIST      \
2604
                                      $HWACCEL_LIST      \
2605
                                      $PARSER_LIST       \
2606
                                      $BSF_LIST          \
2607
                                      $DEMUXER_LIST      \
2608
                                      $MUXER_LIST        \
2609
                                      $FILTER_LIST       \
2610
                                      $PROTOCOL_LIST     \
2611
                                      $INDEV_LIST        \
2612
                                      $OUTDEV_LIST       \
2613

    
2614
echo "#define restrict $_restrict" >> $TMPH
2615

    
2616
if enabled small; then
2617
    echo "#define av_always_inline"  >> $TMPH
2618
fi
2619

    
2620

    
2621
# Apparently it's not possible to portably echo a backslash.
2622
enabled asmalign_pot &&
2623
    printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2624
    printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2625

    
2626
echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2627

    
2628
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2629
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
2630

    
2631
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2632
cmp -s $TMPH config.h &&
2633
    echo "config.h is unchanged" ||
2634
    mv -f $TMPH config.h
2635

    
2636
# build tree in object directory if source path is different from current one
2637
if enabled source_path_used; then
2638
    DIRS="\
2639
        doc               \
2640
        libavcodec        \
2641
        libavcodec/alpha  \
2642
        libavcodec/arm    \
2643
        libavcodec/bfin   \
2644
        libavcodec/mlib   \
2645
        libavcodec/ppc    \
2646
        libavcodec/sh4    \
2647
        libavcodec/sparc  \
2648
        libavcodec/x86    \
2649
        libavdevice       \
2650
        libavfilter       \
2651
        libavformat       \
2652
        libavutil         \
2653
        libpostproc       \
2654
        libswscale        \
2655
        libswscale/bfin   \
2656
        libswscale/mlib   \
2657
        libswscale/ppc    \
2658
        libswscale/sparc  \
2659
        libswscale/x86    \
2660
        tests             \
2661
        tools             \
2662
        "
2663
    FILES="\
2664
        Makefile             \
2665
        common.mak           \
2666
        subdir.mak           \
2667
        doc/texi2pod.pl      \
2668
        libavcodec/Makefile  \
2669
        libavdevice/Makefile \
2670
        libavfilter/Makefile \
2671
        libavformat/Makefile \
2672
        libavutil/Makefile   \
2673
        libpostproc/Makefile \
2674
        libswscale/Makefile  \
2675
        "
2676
    for dir in $DIRS ; do
2677
        mkdir -p $dir
2678
    done
2679
    for f in $FILES ; do
2680
        $ln_s "$source_path/$f" $f
2681
    done
2682
fi
2683

    
2684

    
2685
# build pkg-config files
2686

    
2687
pkgconfig_generate(){
2688
name=$1
2689
shortname=${name#lib}${build_suffix}
2690
comment=$2
2691
version=$3
2692
libs=$4
2693
requires=$5
2694
cat <<EOF > $name/$name.pc
2695
prefix=$prefix
2696
exec_prefix=\${prefix}
2697
libdir=$libdir
2698
includedir=$incdir
2699

    
2700
Name: $name
2701
Description: $comment
2702
Version: $version
2703
Requires: $(disabled shared && echo $requires)
2704
Requires.private: $(enabled shared && echo $requires)
2705
Conflicts:
2706
Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2707
Libs.private: $(enabled shared && echo $libs)
2708
Cflags: -I\${includedir}
2709
EOF
2710
cat <<EOF > $name/$name-uninstalled.pc
2711
prefix=
2712
exec_prefix=
2713
libdir=\${pcfiledir}
2714
includedir=${source_path}
2715

    
2716
Name: $name
2717
Description: $comment
2718
Version: $version
2719
Requires: $requires
2720
Conflicts:
2721
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2722
Cflags: -I\${includedir}
2723
EOF
2724
}
2725

    
2726
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2727
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2728
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2729
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2730
enabled avfilter &&
2731
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2732
enabled postproc &&
2733
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2734
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"