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#!/bin/sh
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#
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# FFmpeg configure script
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#
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# Copyright (c) 2000-2002 Fabrice Bellard
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# Copyright (c) 2005-2008 Diego Biurrun
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# Copyright (c) 2005-2008 Mans Rullgard
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#
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# Prevent locale nonsense from breaking basic text processing.
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LC_ALL=C
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export LC_ALL
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# make sure we are running under a compatible shell
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# try to make this part work with most shells
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try_exec(){
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    echo "Trying shell $1"
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    type "$1" > /dev/null 2>&1 && exec "$@"
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}
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unset foo
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(: ${foo%%bar}) 2> /dev/null
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E1="$?"
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(: ${foo?}) 2> /dev/null
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E2="$?"
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if test "$E1" != 0 || test "$E2" = 0; then
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    echo "Broken shell detected.  Trying alternatives."
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    export FF_CONF_EXEC
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    if test "0$FF_CONF_EXEC" -lt 1; then
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        FF_CONF_EXEC=1
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        try_exec bash "$0" "$@"
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    fi
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    if test "0$FF_CONF_EXEC" -lt 2; then
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        FF_CONF_EXEC=2
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        try_exec ksh "$0" "$@"
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    fi
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    if test "0$FF_CONF_EXEC" -lt 3; then
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        FF_CONF_EXEC=3
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        try_exec /usr/xpg4/bin/sh "$0" "$@"
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    fi
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    echo "No compatible shell script interpreter found."
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    echo "This configure script requires a POSIX-compatible shell"
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    echo "such as bash or ksh."
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    echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
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    echo "Instead, install a working POSIX-compatible shell."
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    echo "Disabling this configure test will create a broken FFmpeg."
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    if test "$BASH_VERSION" = '2.04.0(1)-release'; then
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        echo "This bash version ($BASH_VERSION) is broken on your platform."
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        echo "Upgrade to a later version if available."
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    fi
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    exit 1
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fi
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show_help(){
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  echo "Usage: configure [options]"
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  echo "Options: [defaults in brackets after descriptions]"
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  echo
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  echo "Standard options:"
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  echo "  --help                   print this message"
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  echo "  --logfile=FILE           log tests and output to FILE [config.err]"
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  echo "  --disable-logging        do not log configure debug information"
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  echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
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  echo "  --bindir=DIR             install binaries in DIR [PREFIX/bin]"
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  echo "  --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]"
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  echo "  --libdir=DIR             install libs in DIR [PREFIX/lib]"
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  echo "  --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]"
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  echo "  --incdir=DIR             install includes in DIR [PREFIX/include]"
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  echo "  --mandir=DIR             install man page in DIR [PREFIX/share/man]"
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  echo
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  echo "Configuration options:"
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  echo "  --disable-static         do not build static libraries [no]"
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  echo "  --enable-shared          build shared libraries [no]"
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  echo "  --enable-gpl             allow use of GPL code, the resulting libs"
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  echo "                           and binaries will be under GPL [no]"
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  echo "  --enable-version3        upgrade (L)GPL to version 3 [no]"
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  echo "  --enable-nonfree         allow use of nonfree code, the resulting libs"
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  echo "                           and binaries will be unredistributable [no]"
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  echo "  --disable-ffmpeg         disable ffmpeg build"
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  echo "  --disable-ffplay         disable ffplay build"
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  echo "  --disable-ffserver       disable ffserver build"
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  echo "  --enable-postproc        enable GPLed postprocessing support [no]"
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  echo "  --enable-avfilter        video filter support [no]"
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  echo "  --enable-avfilter-lavf   video filters dependent on avformat [no]"
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  echo "  --enable-beosthreads     use BeOS threads [no]"
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  echo "  --enable-os2threads      use OS/2 threads [no]"
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  echo "  --enable-pthreads        use pthreads [no]"
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  echo "  --enable-w32threads      use Win32 threads [no]"
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  echo "  --enable-x11grab         enable X11 grabbing [no]"
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  echo "  --disable-network        disable network support [no]"
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  echo "  --disable-ipv6           disable IPv6 support [no]"
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  echo "  --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]"
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  echo "  --enable-gray            enable full grayscale support (slower color)"
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  echo "  --disable-swscale-alpha  disable alpha channel support in swscale"
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  echo "  --disable-fastdiv        disable table-based division"
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  echo "  --enable-small           optimize for size instead of speed"
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  echo "  --disable-aandct         disable AAN DCT code"
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  echo "  --disable-fft            disable FFT code"
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  echo "  --disable-golomb         disable Golomb code"
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  echo "  --disable-mdct           disable MDCT code"
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  echo "  --disable-rdft           disable RDFT code"
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  echo "  --disable-vaapi          disable VAAPI code"
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  echo "  --disable-vdpau          disable VDPAU code"
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  echo "  --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)"
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  echo "  --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
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  echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
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  echo "  --enable-beos-netserver  enable BeOS netserver"
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  echo "  --disable-encoder=NAME   disable encoder NAME"
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  echo "  --enable-encoder=NAME    enable encoder NAME"
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  echo "  --disable-encoders       disable all encoders"
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  echo "  --disable-decoder=NAME   disable decoder NAME"
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  echo "  --enable-decoder=NAME    enable decoder NAME"
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  echo "  --disable-decoders       disable all decoders"
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  echo "  --disable-hwaccel=NAME   disable hwaccel NAME"
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  echo "  --enable-hwaccel=NAME    enable hwaccel NAME"
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  echo "  --disable-hwaccels       disable all hwaccels"
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  echo "  --disable-muxer=NAME     disable muxer NAME"
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  echo "  --enable-muxer=NAME      enable muxer NAME"
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  echo "  --disable-muxers         disable all muxers"
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  echo "  --disable-demuxer=NAME   disable demuxer NAME"
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  echo "  --enable-demuxer=NAME    enable demuxer NAME"
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  echo "  --disable-demuxers       disable all demuxers"
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  echo "  --enable-parser=NAME     enable parser NAME"
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  echo "  --disable-parser=NAME    disable parser NAME"
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  echo "  --disable-parsers        disable all parsers"
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  echo "  --enable-bsf=NAME        enable bitstream filter NAME"
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  echo "  --disable-bsf=NAME       disable bitstream filter NAME"
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  echo "  --disable-bsfs           disable all bitstream filters"
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  echo "  --enable-protocol=NAME   enable protocol NAME"
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  echo "  --disable-protocol=NAME  disable protocol NAME"
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  echo "  --disable-protocols      disable all protocols"
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  echo "  --disable-indev=NAME     disable input device NAME"
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  echo "  --disable-outdev=NAME    disable output device NAME"
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  echo "  --disable-indevs         disable input devices"
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  echo "  --disable-outdevs        disable output devices"
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  echo "  --disable-devices        disable all devices"
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  echo "  --enable-filter=NAME     enable filter NAME"
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  echo "  --disable-filter=NAME    disable filter NAME"
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  echo "  --disable-filters        disable all filters"
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  echo "  --list-decoders          show all available decoders"
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  echo "  --list-encoders          show all available encoders"
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  echo "  --list-hwaccels          show all available hardware accelerators"
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  echo "  --list-muxers            show all available muxers"
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  echo "  --list-demuxers          show all available demuxers"
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  echo "  --list-parsers           show all available parsers"
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  echo "  --list-protocols         show all available protocols"
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  echo "  --list-bsfs              show all available bitstream filters"
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  echo "  --list-indevs            show all available input devices"
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  echo "  --list-outdevs           show all available output devices"
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  echo "  --list-filters           show all available filters"
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  echo
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  echo "External library support:"
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  echo "  --enable-avisynth        enable reading of AVISynth script files [no]"
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  echo "  --enable-bzlib           enable bzlib [autodetect]"
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  echo "  --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]"
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  echo "  --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]"
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  echo "  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394"
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  echo "                           and libraw1394 [no]"
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  echo "  --enable-libdirac        enable Dirac support via libdirac [no]"
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  echo "  --enable-libfaac         enable FAAC support via libfaac [no]"
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  echo "  --enable-libfaad         enable FAAD support via libfaad [no]"
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  echo "  --enable-libfaadbin      open libfaad.so.0 at runtime [no]"
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  echo "  --enable-libgsm          enable GSM support via libgsm [no]"
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  echo "  --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]"
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  echo "  --enable-libnut          enable NUT (de)muxing via libnut,"
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  echo "                           native (de)muxer exists [no]"
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  echo "  --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]"
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  echo "  --enable-libschroedinger enable Dirac support via libschroedinger [no]"
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  echo "  --enable-libspeex        enable Speex decoding via libspeex [no]"
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  echo "  --enable-libtheora       enable Theora encoding via libtheora [no]"
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  echo "  --enable-libvorbis       enable Vorbis encoding via libvorbis,"
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  echo "                           native implementation exists [no]"
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  echo "  --enable-libx264         enable H.264 encoding via x264 [no]"
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  echo "  --enable-libxvid         enable Xvid encoding via xvidcore,"
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  echo "                           native MPEG-4/Xvid encoder exists [no]"
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  echo "  --enable-mlib            enable Sun medialib [no]"
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  echo "  --enable-zlib            enable zlib [autodetect]"
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  echo ""
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  echo "Advanced options (experts only):"
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  echo "  --source-path=PATH       path to source code [$source_path]"
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  echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
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  echo "  --enable-cross-compile   assume a cross-compiler is used"
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  echo "  --sysroot=PATH           root of cross-build tree"
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  echo "  --sysinclude=PATH        location of cross-build system headers"
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  echo "  --target-os=OS           compiler targets OS [$target_os]"
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  echo "  --target-exec=CMD        command to run executables on target"
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  echo "  --target-path=DIR        path to view of build directory on target"
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  echo "  --nm=NM                  use nm tool"
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  echo "  --as=AS                  use assembler AS [$as_default]"
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  echo "  --cc=CC                  use C compiler CC [$cc_default]"
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  echo "  --ld=LD                  use linker LD"
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  echo "  --host-cc=HOSTCC         use host C compiler HOSTCC"
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  echo "  --host-cflags=HCFLAGS    use HCFLAGS when compiling for host"
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  echo "  --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host"
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  echo "  --host-libs=HLIBS        use libs HLIBS when linking for host"
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  echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
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  echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
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  echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
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  echo "  --extra-version=STRING   version string suffix []"
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  echo "  --build-suffix=SUFFIX    library name suffix []"
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  echo "  --arch=ARCH              select architecture [$arch]"
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  echo "  --cpu=CPU                select the minimum required CPU (affects"
205
  echo "                           instruction selection, may crash on older CPUs)"
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  echo "  --enable-powerpc-perf    enable performance report on PPC"
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  echo "                           (requires enabling PMC)"
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  echo "  --disable-altivec        disable AltiVec optimizations"
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  echo "  --disable-amd3dnow       disable 3DNow! optimizations"
210
  echo "  --disable-amd3dnowext    disable 3DNow! extended optimizations"
211
  echo "  --disable-mmx            disable MMX optimizations"
212
  echo "  --disable-mmx2           disable MMX2 optimizations"
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  echo "  --disable-sse            disable SSE optimizations"
214
  echo "  --disable-ssse3          disable SSSE3 optimizations"
215
  echo "  --disable-armv5te        disable armv5te optimizations"
216
  echo "  --disable-armv6          disable armv6 optimizations"
217
  echo "  --disable-armv6t2        disable armv6t2 optimizations"
218
  echo "  --disable-armvfp         disable ARM VFP optimizations"
219
  echo "  --disable-iwmmxt         disable iwmmxt optimizations"
220
  echo "  --disable-mmi            disable MMI optimizations"
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  echo "  --disable-neon           disable neon optimizations"
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  echo "  --disable-vis            disable VIS optimizations"
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  echo "  --disable-yasm           disable use of yasm assembler"
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  echo
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  echo "Developer options (useful when working on FFmpeg itself):"
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  echo "  --disable-debug          disable debugging symbols"
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  echo "  --enable-debug=LEVEL     set the debug level [$debuglevel]"
228
  echo "  --enable-gprof           enable profiling with gprof [$gprof]"
229
  echo "  --disable-optimizations  disable compiler optimizations"
230
  echo "  --enable-extra-warnings  enable more compiler warnings"
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  echo "  --disable-stripping      disable stripping of executables and shared libraries"
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  echo ""
233
  echo "NOTE: Object files are built at the place where configure is launched."
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  exit 0
235
}
236

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

    
241
log_file(){
242
    log BEGIN $1
243
    pr -n -t $1 >> $logfile
244
    log END $1
245
}
246

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
990
CMDLINE_SET="
991
    $PATHS_LIST
992
    arch
993
    as
994
    build_suffix
995
    cc
996
    cpu
997
    cross_prefix
998
    dep_cc
999
    extra_version
1000
    host_cc
1001
    host_cflags
1002
    host_ldflags
1003
    host_libs
1004
    host_os
1005
    ld
1006
    logfile
1007
    nm
1008
    source_path
1009
    sysinclude
1010
    sysroot
1011
    target_exec
1012
    target_os
1013
    target_path
1014
"
1015

    
1016
# code dependency declarations
1017

    
1018
# architecture extensions
1019
altivec_deps="ppc"
1020
amd3dnow_deps="mmx"
1021
amd3dnowext_deps="amd3dnow"
1022
armv5te_deps="arm"
1023
armv6_deps="arm"
1024
armv6t2_deps="arm"
1025
armvfp_deps="arm"
1026
iwmmxt_deps="arm"
1027
mmi_deps="mips"
1028
mmx_deps="x86"
1029
mmx2_deps="mmx"
1030
neon_deps="arm"
1031
ppc4xx_deps="ppc"
1032
sse_deps="mmx"
1033
ssse3_deps="sse"
1034
vis_deps="sparc"
1035

    
1036
# decoders / encoders / hardware accelerators
1037
aac_decoder_select="fft mdct"
1038
ac3_decoder_select="fft mdct"
1039
atrac3_decoder_select="fft mdct"
1040
cavs_decoder_select="golomb"
1041
cook_decoder_select="fft mdct"
1042
cscd_decoder_suggest="zlib"
1043
dca_decoder_select="fft mdct"
1044
dnxhd_encoder_select="aandct"
1045
dxa_decoder_select="zlib"
1046
eac3_decoder_select="fft mdct"
1047
eatgq_decoder_select="aandct"
1048
eatqi_decoder_select="aandct"
1049
ffv1_decoder_select="golomb"
1050
flac_decoder_select="golomb"
1051
flac_encoder_select="golomb"
1052
flashsv_decoder_select="zlib"
1053
flashsv_encoder_select="zlib"
1054
flv_encoder_select="aandct"
1055
h261_encoder_select="aandct"
1056
h263_encoder_select="aandct"
1057
h263_vaapi_hwaccel_deps="va_va_h"
1058
h263_vaapi_hwaccel_select="vaapi h263_decoder"
1059
h263p_encoder_select="aandct"
1060
h264_decoder_select="golomb"
1061
h264_vaapi_hwaccel_deps="va_va_h"
1062
h264_vaapi_hwaccel_select="vaapi"
1063
h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1064
h264_vdpau_decoder_select="vdpau h264_decoder"
1065
imc_decoder_select="fft mdct"
1066
jpegls_decoder_select="golomb"
1067
jpegls_encoder_select="golomb"
1068
ljpeg_encoder_select="aandct"
1069
loco_decoder_select="golomb"
1070
mjpeg_encoder_select="aandct"
1071
mpeg1video_encoder_select="aandct"
1072
mpeg2video_encoder_select="aandct"
1073
mpeg4_encoder_select="aandct"
1074
mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1075
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1076
mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1077
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1078
mpeg2_vaapi_hwaccel_deps="va_va_h"
1079
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1080
mpeg4_vaapi_hwaccel_deps="va_va_h"
1081
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1082
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1083
msmpeg4v1_encoder_select="aandct"
1084
msmpeg4v2_encoder_select="aandct"
1085
msmpeg4v3_encoder_select="aandct"
1086
nellymoser_decoder_select="fft mdct"
1087
nellymoser_encoder_select="fft mdct"
1088
png_decoder_select="zlib"
1089
png_encoder_select="zlib"
1090
qdm2_decoder_select="fft mdct rdft"
1091
rv10_encoder_select="aandct"
1092
rv20_encoder_select="aandct"
1093
rv30_decoder_select="golomb"
1094
rv40_decoder_select="golomb"
1095
shorten_decoder_select="golomb"
1096
sonic_decoder_select="golomb"
1097
sonic_encoder_select="golomb"
1098
sonic_ls_encoder_select="golomb"
1099
svq3_decoder_select="golomb"
1100
svq3_decoder_suggest="zlib"
1101
tiff_decoder_suggest="zlib"
1102
tiff_encoder_suggest="zlib"
1103
tscc_decoder_select="zlib"
1104
vc1_vaapi_hwaccel_deps="va_va_h"
1105
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1106
vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1107
vc1_vdpau_decoder_select="vdpau vc1_decoder"
1108
vorbis_decoder_select="fft mdct"
1109
vorbis_encoder_select="fft mdct"
1110
wmav1_decoder_select="fft mdct"
1111
wmav1_encoder_select="fft mdct"
1112
wmav2_decoder_select="fft mdct"
1113
wmav2_encoder_select="fft mdct"
1114
wmv1_encoder_select="aandct"
1115
wmv2_encoder_select="aandct"
1116
wmv3_vaapi_hwaccel_deps="va_va_h"
1117
wmv3_vaapi_hwaccel_select="vaapi wmv3_decoder"
1118
wmv3_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1119
wmv3_vdpau_decoder_select="vdpau wmv3_decoder"
1120
zlib_decoder_select="zlib"
1121
zlib_encoder_select="zlib"
1122
zmbv_decoder_select="zlib"
1123
zmbv_encoder_select="zlib"
1124

    
1125
# parsers
1126
h264_parser_select="golomb"
1127

    
1128
# external libraries
1129
libdirac_decoder_deps="libdirac !libschroedinger"
1130
libdirac_encoder_deps="libdirac"
1131
libfaac_encoder_deps="libfaac"
1132
libfaad_decoder_deps="libfaad"
1133
libfaadbin_decoder_extralibs='$ldl'
1134
libgsm_decoder_deps="libgsm"
1135
libgsm_encoder_deps="libgsm"
1136
libgsm_ms_decoder_deps="libgsm"
1137
libgsm_ms_encoder_deps="libgsm"
1138
libmp3lame_encoder_deps="libmp3lame"
1139
libopencore_amrnb_decoder_deps="libopencore_amrnb"
1140
libopencore_amrnb_encoder_deps="libopencore_amrnb"
1141
libopencore_amrwb_decoder_deps="libopencore_amrwb"
1142
libopenjpeg_decoder_deps="libopenjpeg"
1143
libschroedinger_decoder_deps="libschroedinger"
1144
libschroedinger_encoder_deps="libschroedinger"
1145
libspeex_decoder_deps="libspeex"
1146
libtheora_encoder_deps="libtheora"
1147
libvorbis_encoder_deps="libvorbis"
1148
libx264_encoder_deps="libx264"
1149
libxvid_encoder_deps="libxvid"
1150

    
1151
# demuxers / muxers
1152
ac3_demuxer_deps="ac3_parser"
1153
avisynth_demuxer_deps="avisynth"
1154
dirac_demuxer_deps="dirac_parser"
1155
libnut_demuxer_deps="libnut"
1156
libnut_muxer_deps="libnut"
1157
matroska_demuxer_suggest="zlib bzlib"
1158
mov_demuxer_suggest="zlib"
1159
mp3_demuxer_deps="mpegaudio_parser"
1160
redir_demuxer_deps="network"
1161
rtp_muxer_deps="network rtp_protocol"
1162
rtsp_demuxer_deps="sdp_demuxer"
1163
sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1164

    
1165
# indevs / outdevs
1166
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1167
alsa_indev_extralibs="-lasound"
1168
alsa_outdev_deps="alsa_asoundlib_h"
1169
alsa_outdev_extralibs="-lasound"
1170
audio_beos_indev_deps="audio_beos"
1171
audio_beos_indev_extralibs="-lmedia -lbe"
1172
audio_beos_outdev_deps="audio_beos"
1173
audio_beos_outdev_extralibs="-lmedia -lbe"
1174
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1175
dv1394_indev_deps="dv1394 dv_demuxer"
1176
jack_indev_deps="jack_jack_h"
1177
jack_indev_extralibs="-ljack"
1178
libdc1394_indev_deps="libdc1394"
1179
oss_indev_deps_any="soundcard_h sys_soundcard_h"
1180
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1181
v4l_indev_deps="linux_videodev_h"
1182
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1183
vfwcap_indev_deps="capCreateCaptureWindow"
1184
vfwcap_indev_extralibs="-lvfw32"
1185
x11_grab_device_indev_deps="x11grab XShmCreateImage"
1186
x11_grab_device_indev_extralibs="-lX11 -lXext"
1187

    
1188
# protocols
1189
gopher_protocol_deps="network"
1190
http_protocol_deps="network"
1191
rtp_protocol_deps="udp_protocol"
1192
tcp_protocol_deps="network"
1193
udp_protocol_deps="network"
1194

    
1195
# filters
1196
movie_filter_deps="avfilter_lavf"
1197

    
1198
# programs
1199
ffplay_deps="sdl"
1200
ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1201
ffserver_extralibs='$ldl'
1202

    
1203

    
1204
# default parameters
1205

    
1206
logfile="config.err"
1207

    
1208
# installation paths
1209
prefix_default="/usr/local"
1210
bindir_default='${prefix}/bin'
1211
datadir_default='${prefix}/share/ffmpeg'
1212
incdir_default='${prefix}/include'
1213
libdir_default='${prefix}/lib'
1214
mandir_default='${prefix}/share/man'
1215
shlibdir_default="$libdir_default"
1216

    
1217
# toolchain
1218
ar="ar"
1219
cc_default="gcc"
1220
host_cc_default="gcc"
1221
ln_s="ln -sf"
1222
nm_default="nm"
1223
objformat="elf"
1224
ranlib="ranlib"
1225
strip="strip"
1226
yasmexe="yasm"
1227

    
1228
# machine
1229
arch=$(uname -m)
1230
cpu="generic"
1231

    
1232
# OS
1233
target_os=$(tolower $(uname -s))
1234
host_os=$target_os
1235

    
1236
# configurable options
1237
enable debug
1238
enable fastdiv
1239
enable ffmpeg
1240
enable ffplay
1241
enable ffserver
1242
enable ipv6
1243
enable mpegaudio_hp
1244
enable network
1245
enable optimizations
1246
enable protocols
1247
enable static
1248
enable stripping
1249
enable swscale_alpha
1250

    
1251
# build settings
1252
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1253
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1254
FFSERVERLDFLAGS=-Wl,-E
1255
LIBPREF="lib"
1256
LIBSUF=".a"
1257
FULLNAME='$(NAME)$(BUILDSUF)'
1258
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1259
SLIBPREF="lib"
1260
SLIBSUF=".so"
1261
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1262
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1263
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1264
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1265

    
1266
host_cflags='-O3 -g -Wall'
1267
host_libs='-lm'
1268

    
1269
target_path='.'
1270

    
1271
# gcc stupidly only outputs the basename of targets with -MM, but we need the
1272
# full relative path for objects in subdirectories for non-recursive Make.
1273
DEPEND_CMD='$(DEPCC) $(CPPFLAGS) -MM $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1274

    
1275
# find source path
1276
source_path="$(dirname "$0")"
1277
enable source_path_used
1278
if test -z "$source_path" -o "$source_path" = "." ; then
1279
    source_path="$(pwd)"
1280
    disable source_path_used
1281
else
1282
    source_path="$(cd "$source_path"; pwd)"
1283
    echo "$source_path" | grep -q '[[:blank:]]' &&
1284
        die "Out of tree builds are impossible with whitespace in source path."
1285
    test -e "$source_path/config.h" &&
1286
        die "Out of tree builds are impossible with config.h in source dir."
1287
fi
1288

    
1289
for v in "$@"; do
1290
    r=${v#*=}
1291
    l=${v%"$r"}
1292
    r=$(sh_quote "$r")
1293
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1294
done
1295

    
1296
find_things(){
1297
    thing=$1
1298
    pattern=$2
1299
    file=$source_path/$3
1300
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1301
}
1302

    
1303
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1304
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1305
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1306
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1307
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1308
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1309
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1310
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1311
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1312
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1313
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1314

    
1315
enable $ARCH_EXT_LIST \
1316
       $DECODER_LIST \
1317
       $ENCODER_LIST \
1318
       $HWACCEL_LIST \
1319
       $PARSER_LIST \
1320
       $BSF_LIST \
1321
       $DEMUXER_LIST \
1322
       $MUXER_LIST \
1323
       $FILTER_LIST \
1324
       $PROTOCOL_LIST \
1325
       $INDEV_LIST \
1326
       $OUTDEV_LIST \
1327

    
1328
die_unknown(){
1329
    echo "Unknown option \"$1\"."
1330
    echo "See $0 --help for available options."
1331
    exit 1
1332
}
1333

    
1334
show_list() {
1335
    suffix=_$1
1336
    shift
1337
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1338
    exit 0
1339
}
1340

    
1341
for opt do
1342
    optval="${opt#*=}"
1343
    case "$opt" in
1344
    --extra-cflags=*) add_cflags $optval
1345
    ;;
1346
    --extra-ldflags=*) add_ldflags $optval
1347
    ;;
1348
    --extra-libs=*) add_extralibs $optval
1349
    ;;
1350
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1351
    ;;
1352
    --enable-debug=*) debuglevel="$optval"
1353
    ;;
1354
    --enable-*=*|--disable-*=*)
1355
    eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
1356
    case "$thing" in
1357
        encoder|decoder|hwaccel|muxer|demuxer|indev|outdev|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1358
        *) die_unknown "$opt" ;;
1359
    esac
1360
    ;;
1361
    --enable-?*|--disable-?*)
1362
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1363
    if is_in $option $COMPONENT_LIST; then
1364
        test $action = disable && action=unset
1365
        eval $action \$$(toupper ${option%s})_LIST
1366
    elif is_in $option $CMDLINE_SELECT; then
1367
        $action $option
1368
    else
1369
        die_unknown $opt
1370
    fi
1371
    ;;
1372
    --list-*)
1373
        NAME="${opt#--list-}"
1374
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1375
        NAME=${NAME%s}
1376
        eval show_list $NAME \$$(toupper $NAME)_LIST
1377
    ;;
1378
    --help|-h) show_help
1379
    ;;
1380
    *)
1381
    optname="${opt%%=*}"
1382
    optname="${optname#--}"
1383
    optname=$(echo "$optname" | sed 's/-/_/g')
1384
    is_in $optname $CMDLINE_SET || die_unknown $opt
1385
    eval $optname='$optval'
1386
    ;;
1387
    esac
1388
done
1389

    
1390
disabled logging && logfile=/dev/null
1391

    
1392
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1393
set >> $logfile
1394

    
1395
test -n "$cross_prefix" && enable cross_compile
1396

    
1397
ar="${cross_prefix}${ar}"
1398
cc_default="${cross_prefix}${cc_default}"
1399
nm_default="${cross_prefix}${nm_default}"
1400
ranlib="${cross_prefix}${ranlib}"
1401
strip="${cross_prefix}${strip}"
1402

    
1403
sysinclude_default="${sysroot}/usr/include"
1404

    
1405
set_default cc nm sysinclude
1406
as_default=$cc
1407
enabled cross_compile || host_cc_default=$cc
1408
set_default host_cc
1409

    
1410
exesuf() {
1411
    case $1 in
1412
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1413
    esac
1414
}
1415

    
1416
EXESUF=$(exesuf $target_os)
1417
HOSTEXESUF=$(exesuf $host_os)
1418

    
1419
# set temporary file name
1420
: ${TMPDIR:=$TEMPDIR}
1421
: ${TMPDIR:=$TMP}
1422
: ${TMPDIR:=/tmp}
1423

    
1424
if ! check_cmd type mktemp; then
1425
    # simple replacement for missing mktemp
1426
    # NOT SAFE FOR GENERAL USE
1427
    mktemp(){
1428
        echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1429
    }
1430
fi
1431

    
1432
tmpfile(){
1433
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1434
        (set -C; exec > $tmp) 2>/dev/null ||
1435
        die "Unable to create temoporary file in $TMPDIR."
1436
    append TMPFILES $tmp
1437
    eval $1=$tmp
1438
}
1439

    
1440
trap 'rm -f -- $TMPFILES' EXIT
1441
trap exit HUP INT TERM
1442

    
1443
tmpfile TMPC  .c
1444
tmpfile TMPE  $EXESUF
1445
tmpfile TMPH  .h
1446
tmpfile TMPO  .o
1447
tmpfile TMPS  .S
1448
tmpfile TMPSH .sh
1449

    
1450
unset -f mktemp
1451

    
1452
# make sure we can execute files in $TMPDIR
1453
cat > $TMPSH 2>> $logfile <<EOF
1454
#! /bin/sh
1455
EOF
1456
chmod +x $TMPSH >> $logfile 2>&1
1457
if ! $TMPSH >> $logfile 2>&1; then
1458
    cat <<EOF
1459
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1460
variable to another directory and make sure that it is not mounted noexec.
1461
EOF
1462
    die "Sanity test failed."
1463
fi
1464

    
1465
if   $cc --version 2>/dev/null | grep -qi gcc; then
1466
    cc_type=gcc
1467
elif $cc --version 2>/dev/null | grep -q Intel; then
1468
    cc_type=icc
1469
elif $cc -v 2>&1 | grep -q xlc; then
1470
    cc_type=xlc
1471
elif $cc -V 2>/dev/null | grep -q Compaq; then
1472
    cc_type=ccc
1473
    DEPEND_CMD='$(CC) $(CPPFLAGS) -M $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1474
    debuglevel=3
1475
    add_ldflags -Wl,-z,now # calls to libots crash without this
1476
elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1477
    test -d "$sysroot" || die "No valid sysroot specified."
1478
    cc_type=armcc
1479
    armcc_conf="$PWD/armcc.conf"
1480
    $cc --arm_linux_configure                 \
1481
        --arm_linux_config_file="$armcc_conf" \
1482
        --configure_sysroot="$sysroot"        \
1483
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1484
        die "Error creating armcc configuration file."
1485
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1486
    as_default="${cross_prefix}gcc"
1487
fi
1488

    
1489
test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1490

    
1491
: ${dep_cc_default:=$cc}
1492
: ${ld_default:=$cc}
1493
set_default as dep_cc ld
1494

    
1495
if test -n "$sysroot"; then
1496
    case "$cc_type" in
1497
        gcc)
1498
            add_cppflags --sysroot="$sysroot"
1499
            add_ldflags --sysroot="$sysroot"
1500
        ;;
1501
    esac
1502
fi
1503

    
1504
# compiler sanity check
1505
check_exec <<EOF
1506
int main(void){ return 0; }
1507
EOF
1508
if test "$?" != 0; then
1509
    echo "$cc is unable to create an executable file."
1510
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
1511
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1512
        echo "Only do this if you know what cross compiling means."
1513
    fi
1514
    die "C compiler test failed."
1515
fi
1516

    
1517
check_cflags -std=c99
1518
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1519
#include <stdlib.h>
1520
EOF
1521
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
1522
#include <stdlib.h>
1523
EOF
1524

    
1525
case "$arch" in
1526
    alpha)
1527
        arch="alpha"
1528
        enable fast_64bit
1529
        check_cflags -mieee
1530
    ;;
1531
    arm|armv[4567]*l)
1532
        arch="arm"
1533
    ;;
1534
    avr32)
1535
    ;;
1536
    bfin)
1537
        arch="bfin"
1538
    ;;
1539
    ia64)
1540
        arch="ia64"
1541
        enable fast_64bit
1542
    ;;
1543
    m68k)
1544
        arch="m68k"
1545
    ;;
1546
    mips|mipsel|IP*)
1547
        arch="mips"
1548
    ;;
1549
    mips64)
1550
        arch="mips"
1551
        subarch="mips64"
1552
        enable fast_64bit
1553
    ;;
1554
    parisc|hppa)
1555
        arch="parisc"
1556
    ;;
1557
    parisc64|hppa64)
1558
        arch="parisc"
1559
        enable fast_64bit
1560
    ;;
1561
    "Power Macintosh"|ppc|powerpc)
1562
        arch="ppc"
1563
        enable fast_unaligned
1564
    ;;
1565
    ppc64)
1566
        arch="ppc"
1567
        subarch="ppc64"
1568
        enable fast_64bit
1569
        enable fast_unaligned
1570
    ;;
1571
    s390|s390x)
1572
        arch="s390"
1573
    ;;
1574
    sh4|sh)
1575
        arch="sh4"
1576
    ;;
1577
    sparc)
1578
        arch="sparc"
1579
    ;;
1580
    sun4u|sparc64)
1581
        arch="sparc"
1582
        subarch="sparc64"
1583
        enable fast_64bit
1584
    ;;
1585
    i386|i486|i586|i686|i86pc|BePC)
1586
        arch="x86"
1587
        subarch="x86_32"
1588
        enable fast_unaligned
1589
    ;;
1590
    x86_64|amd64)
1591
        arch="x86"
1592
        subarch="x86_32"
1593
        enable cmov
1594
        enable fast_cmov
1595
        enable fast_unaligned
1596
        check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1597
        int test[sizeof(char*) - 7];
1598
EOF
1599
    ;;
1600
    *)
1601
        arch="unknown"
1602
    ;;
1603
esac
1604

    
1605
enable $arch $subarch
1606

    
1607
# OS specific
1608
case $target_os in
1609
    beos|haiku|zeta)
1610
        prefix_default="$HOME/config"
1611
        # helps building libavcodec
1612
        add_cppflags -DPIC
1613
        add_cflags -fomit-frame-pointer
1614
        # 3 gcc releases known for BeOS, each with ugly bugs
1615
        gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1616
        case "$gcc_version" in
1617
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1618
            disable mmx
1619
            ;;
1620
          *20010315*) echo "BeBits gcc"
1621
            add_cflags -fno-expensive-optimizations
1622
            ;;
1623
        esac
1624
        SHFLAGS=-nostart
1625
        # enable BeOS things
1626
        enable audio_beos
1627
        # no need for libm, but the inet stuff
1628
        # Check for BONE
1629
        # XXX: actually should check for NOT net_server
1630
        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1631
            network_extralibs="-lbind -lsocket"
1632
        else
1633
            enable beos_netserver
1634
            network_extralibs="-lnet"
1635
        fi ;;
1636
    sunos)
1637
        FFSERVERLDFLAGS=""
1638
        SHFLAGS='-shared -Wl,-h,$$(@F)'
1639
        network_extralibs="-lsocket -lnsl"
1640
        add_cppflags -D__EXTENSIONS__
1641
        ;;
1642
    netbsd)
1643
        oss_indev_extralibs="-lossaudio"
1644
        oss_outdev_extralibs="-lossaudio"
1645
        ;;
1646
    openbsd)
1647
        disable need_memalign
1648
        LIBOBJFLAGS='$(PIC)'
1649
        SHFLAGS='-shared'
1650
        oss_indev_extralibs="-lossaudio"
1651
        oss_outdev_extralibs="-lossaudio"
1652
        ;;
1653
    freebsd|dragonfly)
1654
        disable need_memalign
1655
        ;;
1656
    bsd/os)
1657
        osextralibs="-lpoll -lgnugetopt"
1658
        strip="strip -d"
1659
        ;;
1660
    darwin)
1661
        disable need_memalign
1662
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1663
        strip="strip -x"
1664
        FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1665
        SLIBSUF=".dylib"
1666
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1667
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1668
        FFSERVERLDFLAGS=-Wl,-bind_at_load
1669
        objformat="macho"
1670
        enabled x86_64 && objformat="macho64"
1671
        ;;
1672
    mingw32*)
1673
        target_os=mingw32
1674
        LIBTARGET=i386
1675
        if enabled x86_64; then
1676
            disable need_memalign
1677
            LIBTARGET=x64
1678
        fi
1679
        shlibdir_default="$bindir_default"
1680
        disable ffserver
1681
        SLIBPREF=""
1682
        SLIBSUF=".dll"
1683
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1684
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1685
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1686
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1687
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1688
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1689
        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'
1690
        objformat="win32"
1691
        enable dos_paths
1692
        check_cflags -fno-common
1693
        if ! enabled x86_64; then
1694
            check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1695
                die "ERROR: MinGW runtime version must be >= 3.15."
1696
            enabled_any avisynth vfwcap_demuxer &&
1697
                { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1698
                  die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1699
            fi
1700
        ;;
1701
    cygwin*)
1702
        target_os=cygwin
1703
        shlibdir_default="$bindir_default"
1704
        SLIBPREF="cyg"
1705
        SLIBSUF=".dll"
1706
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1707
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1708
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
1709
        objformat="win32"
1710
        enable dos_paths
1711
        check_cflags -fno-common
1712
        ;;
1713
    *-dos|freedos|opendos)
1714
        disable ffplay ffserver
1715
        disable $INDEV_LIST $OUTDEV_LIST
1716
        network_extralibs="-lsocket"
1717
        objformat="coff"
1718
        enable dos_paths
1719
        ;;
1720
    linux)
1721
        enable dv1394
1722
        ;;
1723
    irix*)
1724
        target_os=irix
1725
        ranlib="echo ignoring ranlib"
1726
        ;;
1727
    os/2*)
1728
        strip="lxlite"
1729
        ln_s="cp -f"
1730
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1731
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1732
        FFSERVERLDFLAGS=""
1733
        LIBSUF="_s.a"
1734
        SLIBPREF=""
1735
        SLIBSUF=".dll"
1736
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1737
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1738
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1739
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1740
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1741
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1742
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1743
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1744
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1745
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1746
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1747
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1748
        enable dos_paths
1749
        ;;
1750
    gnu/kfreebsd)
1751
        ;;
1752
    gnu)
1753
        ;;
1754

    
1755
    *)
1756
        die "Unknown OS '$target_os'."
1757
        ;;
1758
esac
1759

    
1760
set_default $PATHS_LIST
1761

    
1762
add_extralibs $osextralibs
1763

    
1764
# Combine FFLDFLAGS and the LDFLAGS environment variable.
1765
LDFLAGS="$FFLDFLAGS $LDFLAGS"
1766

    
1767
# we need to build at least one lib type
1768
if ! enabled_any static shared; then
1769
    cat <<EOF
1770
At least one library type must be built.
1771
Specify --enable-static to build the static libraries or --enable-shared to
1772
build the shared libraries as well. To only build the shared libraries specify
1773
--disable-static in addition to --enable-shared.
1774
EOF
1775
    exit 1;
1776
fi
1777

    
1778
disabled static && LIBNAME=""
1779

    
1780
if enabled_any libfaad libfaadbin ; then
1781
    if check_header faad.h; then
1782
        check_cc <<EOF
1783
#include <faad.h>
1784
#ifndef FAAD2_VERSION
1785
ok faad1
1786
#endif
1787
int main(void) { return 0; }
1788
EOF
1789
        test $? = 0 && enable libfaad2
1790
    else
1791
        die "FAAD test failed."
1792
    fi
1793
fi
1794

    
1795

    
1796
die_license_disabled() {
1797
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
1798
}
1799

    
1800
die_license_disabled gpl libfaad2
1801
die_license_disabled gpl libx264
1802
die_license_disabled gpl libxvid
1803
die_license_disabled gpl postproc
1804
die_license_disabled gpl x11grab
1805

    
1806
die_license_disabled nonfree libfaac
1807

    
1808
die_license_disabled version3 libopencore_amrnb
1809
die_license_disabled version3 libopencore_amrwb
1810

    
1811
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
1812

    
1813
check_deps $ARCH_EXT_LIST
1814

    
1815
test -z "$need_memalign" && need_memalign="$mmx"
1816

    
1817
#Darwin CC versions
1818
if test $target_os = darwin; then
1819
    if enabled xlc; then
1820
        add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1821
    else
1822
        add_cflags -pipe
1823
        check_cflags -force_cpusubtype_ALL
1824
        check_cflags -Wno-sign-compare
1825
        enabled shared || check_cflags -mdynamic-no-pic
1826
    fi
1827
fi
1828

    
1829
disabled optimizations || check_cflags -fomit-frame-pointer
1830

    
1831
# Add processor-specific flags
1832
if test $cpu != "generic"; then
1833
    warn_altivec(){
1834
        $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1835
    }
1836
    case $cpu in
1837
        601|ppc601|PowerPC601)
1838
            add_cflags -mcpu=601
1839
            warn_altivec enabled PPC601
1840
        ;;
1841
        603*|ppc603*|PowerPC603*)
1842
            add_cflags -mcpu=603
1843
            warn_altivec enabled PPC603
1844
        ;;
1845
        604*|ppc604*|PowerPC604*)
1846
            add_cflags -mcpu=604
1847
            warn_altivec enabled PPC604
1848
        ;;
1849
        G3|g3|75*|ppc75*|PowerPC75*)
1850
            add_cflags -mcpu=750 -mpowerpc-gfxopt
1851
            warn_altivec enabled PPC75x
1852
        ;;
1853
        G4|g4|745*|ppc745*|PowerPC745*)
1854
            add_cflags -mcpu=7450 -mpowerpc-gfxopt
1855
            warn_altivec disabled PPC745x
1856
        ;;
1857
        74*|ppc74*|PowerPC74*)
1858
            add_cflags -mcpu=7400 -mpowerpc-gfxopt
1859
            warn_altivec disabled PPC74xx
1860
        ;;
1861
        G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1862
            add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
1863
            warn_altivec disabled PPC970
1864
        ;;
1865
        Cell|CELL|cell)
1866
            add_cflags -mcpu=cell
1867
            warn_altivec disabled Cell
1868
            enable ldbrx
1869
        ;;
1870
        # targets that do NOT support conditional mov (cmov)
1871
        i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1872
            add_cflags -march=$cpu
1873
            disable cmov
1874
        ;;
1875
        # targets that do support conditional mov (cmov)
1876
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1877
            add_cflags -march=$cpu
1878
            enable cmov
1879
            enable fast_cmov
1880
        ;;
1881
        # targets that do support conditional mov but on which it's slow
1882
        pentium4|pentium4m|prescott|nocona)
1883
            add_cflags -march=$cpu
1884
            enable cmov
1885
            disable fast_cmov
1886
        ;;
1887
        sparc64)
1888
            add_cflags -mcpu=v9
1889
        ;;
1890
        arm11*|cortex*)
1891
            add_cflags -mcpu=$cpu
1892
            enable fast_unaligned
1893
        ;;
1894
        armv[67]*)
1895
            add_cflags -march=$cpu
1896
            enable fast_unaligned
1897
        ;;
1898
        armv*)
1899
            add_cflags -march=$cpu
1900
        ;;
1901
        arm*)
1902
            add_cflags -mcpu=$cpu
1903
        ;;
1904
        ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1905
            enabled ccc && add_cflags -arch $cpu || add_cflags -mcpu=$cpu
1906
        ;;
1907
        bf*)
1908
            add_cflags -mcpu=$cpu
1909
        ;;
1910
        mips*|[45]k*|[237]4k*|m4k|r*000|loongson2[ef])
1911
            add_cflags -march=$cpu
1912
        ;;
1913
        *)
1914
            echo "WARNING: Unknown CPU \"$cpu\", ignored."
1915
        ;;
1916
    esac
1917
fi
1918

    
1919
check_cc <<EOF || die "Symbol mangling check failed."
1920
int ff_extern;
1921
EOF
1922
sym=$($nm -P -g $TMPO | grep ff_extern)
1923
extern_prefix=${sym%%ff_extern*}
1924

    
1925
check_cc <<EOF && enable inline_asm
1926
void foo(void) { __asm__ volatile ("" ::); }
1927
EOF
1928

    
1929
if enabled x86; then
1930
    # check whether EBP is available on x86
1931
    # As 'i' is stored on the stack, this program will crash
1932
    # if the base pointer is used to access it because the
1933
    # base pointer is cleared in the inline assembly code.
1934
    check_exec_crash <<EOF && enable ebp_available
1935
    volatile int i=0;
1936
    __asm__ volatile (
1937
        "xorl %%ebp, %%ebp"
1938
    ::: "%ebp");
1939
    return i;
1940
EOF
1941

    
1942
    # check wether EBX is available on x86
1943
    check_asm ebx_available '"":::"%ebx"'
1944

    
1945
    # check whether more than 10 operands are supported
1946
    check_cc <<EOF && enable ten_operands
1947
int main(void) {
1948
    int x=0;
1949
    __asm__ volatile(
1950
        ""
1951
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
1952
    );
1953
    return 0;
1954
}
1955
EOF
1956

    
1957
    # check whether binutils is new enough to compile SSSE3/MMX2
1958
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1959
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
1960

    
1961
    check_asm bswap '"bswap %%eax" ::: "%eax"'
1962

    
1963
    YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
1964
    enabled     x86_64        && append YASMFLAGS "-m amd64"
1965
    enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1966
    case "$objformat" in
1967
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1968
        macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
1969
        *)                    append YASMFLAGS "-DPREFIX"  ;;
1970
    esac
1971
    disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
1972
fi
1973

    
1974
# check for assembler specific support
1975

    
1976
enabled mips && check_asm loongson '"dmult.g $1, $2, $3"'
1977

    
1978
enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
1979
enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
1980
enabled ppc && check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
1981

    
1982
# check for SIMD availability
1983

    
1984
# AltiVec flags: The FSF version of GCC differs from the Apple version
1985
if enabled altivec; then
1986
    check_cflags -maltivec -mabi=altivec &&
1987
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1988
        check_cflags -faltivec
1989

    
1990
    # check if our compiler supports Motorola AltiVec C API
1991
    check_cc <<EOF || disable altivec
1992
$inc_altivec_h
1993
int main(void) {
1994
    vector signed int v1, v2, v3;
1995
    v1 = vec_add(v2,v3);
1996
    return 0;
1997
}
1998
EOF
1999

    
2000
    # check if our compiler supports braces for vector declarations
2001
    check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2002
$inc_altivec_h
2003
int main (void) { (vector int) {1}; return 0; }
2004
EOF
2005
fi
2006

    
2007
# We have to check if pld is a nop and disable it.
2008
enabled arm     && check_asm pld     '"pld [r0]"'
2009
enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2010
enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2011
enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2012
enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2013
enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2014
enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2015
enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2016
enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
2017

    
2018
enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2019

    
2020
# ---
2021
# big/little-endian test
2022
check_cc <<EOF || die "endian test failed"
2023
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2024
EOF
2025
od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2026

    
2027
# ---
2028
# check availability of some header files
2029

    
2030
if check_func dlopen; then
2031
    ldl=
2032
elif check_func dlopen -ldl; then
2033
    ldl=-ldl
2034
fi
2035

    
2036
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2037
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2038

    
2039
check_func  fork
2040
check_func  gethrtime
2041
check_func  getrusage
2042
check_func  inet_aton $network_extralibs
2043
check_func  memalign
2044
check_func  mkstemp
2045
check_func  posix_memalign
2046
check_func_headers io.h setmode
2047
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2048
check_func_headers windows.h GetProcessTimes
2049
check_func_headers windows.h VirtualAlloc
2050

    
2051
check_header conio.h
2052
check_header dlfcn.h
2053
check_header malloc.h
2054
check_header poll.h
2055
check_header sys/mman.h
2056
check_header sys/resource.h
2057
check_header sys/select.h
2058
check_header termios.h
2059
check_header vdpau/vdpau.h
2060
check_header vdpau/vdpau_x11.h
2061
check_header X11/extensions/XvMClib.h
2062

    
2063
if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
2064
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2065
fi
2066

    
2067
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2068
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2069

    
2070
# check for some common methods of building with pthread support
2071
# do this before the optional library checks as some of them require pthreads
2072
if enabled pthreads; then
2073
    if check_func pthread_create; then
2074
        :
2075
    elif check_func pthread_create -pthread; then
2076
        add_cflags -pthread
2077
        add_extralibs -pthread
2078
    elif check_func pthread_create -pthreads; then
2079
        add_cflags -pthreads
2080
        add_extralibs -pthreads
2081
    elif check_func pthread_create -lpthreadGC2; then
2082
        add_extralibs -lpthreadGC2
2083
    elif ! check_lib pthread.h pthread_create -lpthread; then
2084
        die "ERROR: can't find pthreads library"
2085
    fi
2086
fi
2087

    
2088
for thread in $THREADS_LIST; do
2089
    if enabled $thread; then
2090
        test -n "$thread_type" &&
2091
            die "ERROR: Only one thread type must be selected." ||
2092
            thread_type="$thread"
2093
    fi
2094
done
2095

    
2096
check_lib math.h sin -lm
2097
check_lib va/va.h vaInitialize -lva
2098

    
2099
# test for C99 functions in math.h
2100
for func in llrint log2 lrint lrintf round roundf truncf; do
2101
    check_exec <<EOF && enable $func || disable $func
2102
#include <math.h>
2103
int main(void) { return ($func(3.999f) > 0)?0:1; }
2104
EOF
2105
done
2106

    
2107
# these are off by default, so fail if requested and not available
2108
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2109
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2110
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2111
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
2112
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2113
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2114
enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
2115
enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2116
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2117
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2118
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2119
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2120
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2121
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2122
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2123
enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
2124
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2125
enabled libx264    && require  libx264 x264.h x264_encoder_open -lx264 -lm &&
2126
                      { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2127
                        die "ERROR: libx264 version must be >= 0.65."; }
2128
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2129
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2130

    
2131
# libdc1394 check
2132
if enabled libdc1394; then
2133
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2134
        enable libdc1394_2; } ||
2135
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2136
        enable libdc1394_1; } ||
2137
    die "ERROR: No version of libdc1394 found "
2138
fi
2139

    
2140

    
2141
_restrict=
2142
for restrict_keyword in restrict __restrict__ __restrict; do
2143
    check_cc <<EOF && _restrict=$restrict_keyword && break
2144
void foo(char * $restrict_keyword p);
2145
EOF
2146
done
2147

    
2148
##########################################
2149
# SDL check
2150

    
2151
disable sdl_too_old
2152
disable sdl
2153
SDL_CONFIG="${cross_prefix}sdl-config"
2154
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2155
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2156
    temp_cflags $sdl_cflags
2157
    temp_extralibs $("${SDL_CONFIG}" --libs)
2158
    if check_lib2 SDL.h SDL_Init; then
2159
        _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2160
        if test "$_sdlversion" -lt 121 ; then
2161
            enable sdl_too_old
2162
        else
2163
            enable sdl
2164
            check_cc $sdl_cflags <<EOF && enable sdl_video_size
2165
#include <SDL.h>
2166
int main(int argc, char **argv){
2167
    const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2168
    int w = vi->current_w;
2169
    return 0;
2170
}
2171
EOF
2172
        fi
2173
    fi
2174
    restore_flags
2175
fi
2176

    
2177
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2178

    
2179
##########################################
2180
# Network check
2181

    
2182
if enabled network; then
2183
    check_type "sys/types.h sys/socket.h" socklen_t
2184
    # Prefer arpa/inet.h over winsock2
2185
    if check_header arpa/inet.h ; then
2186
        check_func closesocket
2187
    elif check_header winsock2.h ; then
2188
        network_extralibs="-lws2_32"
2189
        check_type ws2tcpip.h socklen_t
2190
        check_func_headers winsock2.h closesocket
2191
    else
2192
        disable network
2193
    fi
2194
fi
2195

    
2196
##########################################
2197
# IPv6 check
2198

    
2199
enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
2200
#include <sys/types.h>
2201
#include <sys/socket.h>
2202
#include <netinet/in.h>
2203
#include <netdb.h>
2204
int main(void) {
2205
    struct sockaddr_storage saddr;
2206
    struct ipv6_mreq mreq6;
2207
    getaddrinfo(0,0,0,0);
2208
    getnameinfo(0,0,0,0,0,0,0);
2209
    IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2210
}
2211
EOF
2212

    
2213
check_header linux/videodev.h
2214
check_header linux/videodev2.h
2215
check_header sys/videoio.h
2216

    
2217
check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2218

    
2219
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2220
{ check_header dev/bktr/ioctl_meteor.h &&
2221
  check_header dev/bktr/ioctl_bt848.h; } ||
2222
{ check_header machine/ioctl_meteor.h &&
2223
  check_header machine/ioctl_bt848.h; } ||
2224
{ check_header dev/video/meteor/ioctl_meteor.h &&
2225
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2226
check_header dev/ic/bt8xx.h
2227

    
2228
check_header sys/soundcard.h
2229
check_header soundcard.h
2230

    
2231
enabled alsa_demuxer || enabled alsa_muxer && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2232

    
2233
enabled jack_demuxer && check_lib2 jack/jack.h jack_client_open -ljack
2234

    
2235
# deal with the X11 frame grabber
2236
enabled x11grab                         &&
2237
check_header X11/Xlib.h                 &&
2238
check_header X11/extensions/XShm.h      &&
2239
check_func XOpenDisplay -lX11           &&
2240
check_func XShmCreateImage -lX11 -lXext
2241

    
2242
enabled debug && add_cflags -g"$debuglevel"
2243

    
2244
# add some useful compiler flags if supported
2245
check_cflags -Wdeclaration-after-statement
2246
check_cflags -Wall
2247
check_cflags -Wno-switch
2248
check_cflags -Wdisabled-optimization
2249
check_cflags -Wpointer-arith
2250
check_cflags -Wredundant-decls
2251
check_cflags -Wno-pointer-sign
2252
check_cflags -Wcast-qual
2253
check_cflags -Wwrite-strings
2254
check_cflags -Wtype-limits
2255
check_cflags -Wundef
2256
enabled extra_warnings && check_cflags -Winline
2257

    
2258
# add some linker flags
2259
check_ldflags -Wl,--warn-common
2260
check_ldflags -Wl,--as-needed
2261
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'
2262
check_ldflags -Wl,-Bsymbolic
2263

    
2264
if enabled small; then
2265
    check_cflags -Os            # not all compilers support -Os
2266
    optimizations="small"
2267
elif enabled optimizations; then
2268
    if enabled xlc; then
2269
        add_cflags  -O5
2270
        add_ldflags -O5
2271
    elif enabled ccc; then
2272
        add_cflags -fast
2273
    else
2274
        add_cflags -O3
2275
    fi
2276
fi
2277
check_cflags -fno-math-errno
2278
check_cflags -fno-signed-zeros
2279

    
2280
# add some flags for Intel C Compiler
2281
if enabled icc; then
2282
    # Just warnings, no remarks
2283
    check_cflags -w1
2284
    # -wd: Disable following warnings
2285
    # 144, 167, 556: -Wno-pointer-sign
2286
    # 10006: ignoring unknown option -fno-signed-zeros
2287
    # 10156: ignoring option '-W'; no argument required
2288
    check_cflags -wd144,167,556,10006,10156
2289
    # 11030: Warning unknown option --as-needed
2290
    # 10156: ignoring option '-export'; no argument required
2291
    check_ldflags -wd10156,11030
2292
    # Allow to compile with optimizations
2293
    check_ldflags -march=$cpu
2294
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2295
    enable ebp_available
2296
elif enabled ccc; then
2297
    # disable some annoying warnings
2298
    add_cflags -msg_disable cvtu32to64
2299
    add_cflags -msg_disable embedcomment
2300
    add_cflags -msg_disable needconstext
2301
    add_cflags -msg_disable nomainieee
2302
    add_cflags -msg_disable ptrmismatch1
2303
    add_cflags -msg_disable unreachcode
2304
fi
2305

    
2306
# PIC flags for shared library objects where they are needed
2307
if enabled shared; then
2308
    # LIBOBJFLAGS may have already been set in the OS configuration
2309
    if test -z "$LIBOBJFLAGS" ; then
2310
        case "${subarch-$arch}" in
2311
            x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2312
        esac
2313
    fi
2314
fi
2315

    
2316
if enabled gprof; then
2317
    add_cflags  -p
2318
    add_ldflags -p
2319
fi
2320

    
2321
# Find out if the .align argument is a power of two or not.
2322
check_asm asmalign_pot '".align 3"'
2323

    
2324
enabled_any $DECODER_LIST      && enable decoders
2325
enabled_any $ENCODER_LIST      && enable encoders
2326
enabled_any $HWACCEL_LIST      && enable hwaccels
2327
enabled_any $BSF_LIST          && enable bsfs
2328
enabled_any $DEMUXER_LIST      && enable demuxers
2329
enabled_any $MUXER_LIST        && enable muxers
2330
enabled_any $FILTER_LIST       && enable filters
2331
enabled_any $INDEV_LIST        && enable demuxers
2332
enabled_any $OUTDEV_LIST       && enable muxers
2333
enabled_any $PROTOCOL_LIST     && enable protocols
2334

    
2335
enabled_any $THREADS_LIST      && enable threads
2336

    
2337
check_deps $CONFIG_LIST       \
2338
           $CONFIG_EXTRA      \
2339
           $HAVE_LIST         \
2340
           $DECODER_LIST      \
2341
           $ENCODER_LIST      \
2342
           $HWACCEL_LIST      \
2343
           $PARSER_LIST       \
2344
           $BSF_LIST          \
2345
           $DEMUXER_LIST      \
2346
           $MUXER_LIST        \
2347
           $FILTER_LIST       \
2348
           $INDEV_LIST        \
2349
           $OUTDEV_LIST       \
2350
           $PROTOCOL_LIST     \
2351

    
2352
echo "install prefix            $prefix"
2353
echo "source path               $source_path"
2354
echo "C compiler                $cc"
2355
echo ".align is power-of-two    $asmalign_pot"
2356
echo "ARCH                      $arch ($cpu)"
2357
if test "$build_suffix" != ""; then
2358
    echo "build suffix              $build_suffix"
2359
fi
2360
if test "$extra_version" != ""; then
2361
    echo "version string suffix     $extra_version"
2362
fi
2363
echo "big-endian                ${bigendian-no}"
2364
echo "runtime cpu detection     ${runtime_cpudetect-no}"
2365
if enabled x86; then
2366
    echo "yasm                      ${yasm-no}"
2367
    echo "MMX enabled               ${mmx-no}"
2368
    echo "MMX2 enabled              ${mmx2-no}"
2369
    echo "3DNow! enabled            ${amd3dnow-no}"
2370
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
2371
    echo "SSE enabled               ${sse-no}"
2372
    echo "SSSE3 enabled             ${ssse3-no}"
2373
    echo "CMOV enabled              ${cmov-no}"
2374
    echo "CMOV is fast              ${fast_cmov-no}"
2375
    echo "EBX available             ${ebx_available-no}"
2376
    echo "EBP available             ${ebp_available-no}"
2377
    echo "10 operands supported     ${ten_operands-no}"
2378
fi
2379
if enabled arm; then
2380
    echo "ARMv5TE enabled           ${armv5te-no}"
2381
    echo "ARMv6 enabled             ${armv6-no}"
2382
    echo "ARMv6T2 enabled           ${armv6t2-no}"
2383
    echo "ARM VFP enabled           ${armvfp-no}"
2384
    echo "IWMMXT enabled            ${iwmmxt-no}"
2385
    echo "NEON enabled              ${neon-no}"
2386
fi
2387
if enabled mips; then
2388
    echo "MMI enabled               ${mmi-no}"
2389
fi
2390
if enabled ppc; then
2391
    echo "AltiVec enabled           ${altivec-no}"
2392
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
2393
    echo "dcbzl available           ${dcbzl-no}"
2394
    echo "performance report        ${powerpc_perf-no}"
2395
fi
2396
if enabled sparc; then
2397
    echo "VIS enabled               ${vis-no}"
2398
fi
2399
echo "gprof enabled             ${gprof-no}"
2400
echo "debug symbols             ${debug-no}"
2401
echo "strip symbols             ${stripping-no}"
2402
echo "optimizations             ${optimizations-no}"
2403
echo "static                    ${static-no}"
2404
echo "shared                    ${shared-no}"
2405
echo "postprocessing support    ${postproc-no}"
2406
echo "new filter support        ${avfilter-no}"
2407
echo "filters using lavformat   ${avfilter_lavf-no}"
2408
echo "network support           ${network-no}"
2409
if enabled network; then
2410
    echo "IPv6 support              ${ipv6-no}"
2411
fi
2412
echo "threading support         ${thread_type-no}"
2413
echo "SDL support               ${sdl-no}"
2414
if enabled sdl_too_old; then
2415
    echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2416
fi
2417
echo "Sun medialib support      ${mlib-no}"
2418
echo "AVISynth enabled          ${avisynth-no}"
2419
echo "libdc1394 support         ${libdc1394-no}"
2420
echo "libdirac enabled          ${libdirac-no}"
2421
echo "libfaac enabled           ${libfaac-no}"
2422
echo "libfaad enabled           ${libfaad-no}"
2423
echo "libfaad dlopened          ${libfaadbin-no}"
2424
echo "libgsm enabled            ${libgsm-no}"
2425
echo "libmp3lame enabled        ${libmp3lame-no}"
2426
echo "libnut enabled            ${libnut-no}"
2427
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2428
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2429
echo "libopenjpeg enabled       ${libopenjpeg-no}"
2430
echo "libschroedinger enabled   ${libschroedinger-no}"
2431
echo "libspeex enabled          ${libspeex-no}"
2432
echo "libtheora enabled         ${libtheora-no}"
2433
echo "libvorbis enabled         ${libvorbis-no}"
2434
echo "libx264 enabled           ${libx264-no}"
2435
echo "libxvid enabled           ${libxvid-no}"
2436
echo "zlib enabled              ${zlib-no}"
2437
echo "bzlib enabled             ${bzlib-no}"
2438
echo
2439

    
2440
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2441
    echo "Enabled ${type}s:"
2442
    eval list=\$$(toupper $type)_LIST
2443
    for part in $list; do
2444
        enabled $part && echo ${part%_*}
2445
    done | sort | pr -3 -t
2446
    echo
2447
done
2448

    
2449
license="LGPL version 2.1 or later"
2450
if enabled nonfree; then
2451
    license="nonfree and unredistributable"
2452
elif enabled gplv3; then
2453
    license="GPL version 3 or later"
2454
elif enabled lgplv3; then
2455
    license="LGPL version 3 or later"
2456
elif enabled gpl; then
2457
    license="GPL version 2 or later"
2458
fi
2459

    
2460
echo "License: $license"
2461

    
2462
echo "Creating config.mak and config.h..."
2463

    
2464
echo "# Automatically generated by configure - do not modify!" > config.mak
2465
echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2466
echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2467
echo "#define FFMPEG_CONFIG_H" >> $TMPH
2468
echo "#define FFMPEG_CONFIGURATION \"$(c_escape $FFMPEG_CONFIGURATION)\"" >> $TMPH
2469
echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2470

    
2471
echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2472
echo "prefix=$prefix" >> config.mak
2473
echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2474
echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2475
echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2476
echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2477
echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2478
echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2479
echo "SRC_PATH=\"$source_path\"" >> config.mak
2480
echo "SRC_PATH_BARE=$source_path" >> config.mak
2481
echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2482
echo "CC=$cc" >> config.mak
2483
echo "AS=$as" >> config.mak
2484
echo "LD=$ld" >> config.mak
2485
echo "DEPCC=$dep_cc" >> config.mak
2486
echo "YASM=$yasmexe" >> config.mak
2487
echo "AR=$ar" >> config.mak
2488
echo "RANLIB=$ranlib" >> config.mak
2489
echo "LN_S=$ln_s" >> config.mak
2490
enabled stripping &&
2491
    echo "STRIP=$strip" >> config.mak ||
2492
    echo "STRIP=echo ignoring strip" >> config.mak
2493

    
2494
echo "CPPFLAGS?=$CPPFLAGS" >> config.mak
2495
echo "CFLAGS=$CFLAGS" >> config.mak
2496
echo "LDFLAGS=$LDFLAGS" >> config.mak
2497
echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2498
echo "SHFLAGS=$SHFLAGS" >> config.mak
2499
echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2500
echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2501
echo "BUILD_STATIC=$static" >> config.mak
2502
echo "BUILDSUF=$build_suffix" >> config.mak
2503
echo "FULLNAME=$FULLNAME" >> config.mak
2504
echo "LIBPREF=$LIBPREF" >> config.mak
2505
echo "LIBSUF=$LIBSUF" >> config.mak
2506
echo "LIBNAME=$LIBNAME" >> config.mak
2507
echo "SLIBPREF=$SLIBPREF" >> config.mak
2508
echo "SLIBSUF=$SLIBSUF" >> config.mak
2509
echo "EXESUF=$EXESUF" >> config.mak
2510
echo "EXTRA_VERSION=$extra_version" >> config.mak
2511
echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2512
echo "HOSTCC=$host_cc" >> config.mak
2513
echo "HOSTCFLAGS=$host_cflags" >> config.mak
2514
echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2515
echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2516
echo "HOSTLIBS=$host_libs" >> config.mak
2517
echo "TARGET_EXEC=$target_exec" >> config.mak
2518
echo "TARGET_PATH=$target_path" >> config.mak
2519

    
2520
if enabled bigendian; then
2521
    echo "WORDS_BIGENDIAN=yes" >> config.mak
2522
    echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2523
fi
2524

    
2525
if enabled sdl; then
2526
    echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2527
    echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
2528
fi
2529
if enabled texi2html; then
2530
    echo "BUILD_DOC=yes" >> config.mak
2531
fi
2532

    
2533
get_version(){
2534
    name=$1
2535
    file=$source_path/$2
2536
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2537
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2538
    lcname=$(tolower $name)
2539
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2540
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2541
}
2542

    
2543
get_version LIBSWSCALE  libswscale/swscale.h
2544
get_version LIBPOSTPROC libpostproc/postprocess.h
2545
get_version LIBAVCODEC  libavcodec/avcodec.h
2546
get_version LIBAVDEVICE libavdevice/avdevice.h
2547
get_version LIBAVFORMAT libavformat/avformat.h
2548
get_version LIBAVUTIL   libavutil/avutil.h
2549
get_version LIBAVFILTER libavfilter/avfilter.h
2550

    
2551
if enabled shared; then
2552
    echo "BUILD_SHARED=yes" >> config.mak
2553
    echo "PIC=-fPIC -DPIC" >> config.mak
2554
    echo "LIBTARGET=${LIBTARGET}" >> config.mak
2555
    echo "SLIBNAME=${SLIBNAME}" >> config.mak
2556
    echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2557
    echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2558
    echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2559
    echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2560
    echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2561
    echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2562
fi
2563
echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2564
echo "EXTRALIBS=$extralibs" >> config.mak
2565

    
2566
echo "ARCH=$arch" >> config.mak
2567

    
2568
print_config ARCH_   $TMPH config.mak $ARCH_LIST
2569
print_config HAVE_   $TMPH config.mak $HAVE_LIST
2570
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2571
                                      $CONFIG_EXTRA      \
2572
                                      $DECODER_LIST      \
2573
                                      $ENCODER_LIST      \
2574
                                      $HWACCEL_LIST      \
2575
                                      $PARSER_LIST       \
2576
                                      $BSF_LIST          \
2577
                                      $DEMUXER_LIST      \
2578
                                      $MUXER_LIST        \
2579
                                      $FILTER_LIST       \
2580
                                      $PROTOCOL_LIST     \
2581
                                      $INDEV_LIST        \
2582
                                      $OUTDEV_LIST       \
2583

    
2584
echo "#define restrict $_restrict" >> $TMPH
2585

    
2586
if enabled small; then
2587
    echo "#define av_always_inline"  >> $TMPH
2588
fi
2589

    
2590

    
2591
# Apparently it's not possible to portably echo a backslash.
2592
enabled asmalign_pot &&
2593
    printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2594
    printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2595

    
2596
echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2597

    
2598
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2599

    
2600
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2601
cmp -s $TMPH config.h &&
2602
    echo "config.h is unchanged" ||
2603
    mv -f $TMPH config.h
2604

    
2605
# build tree in object directory if source path is different from current one
2606
if enabled source_path_used; then
2607
    DIRS="\
2608
        doc               \
2609
        libavcodec        \
2610
        libavcodec/alpha  \
2611
        libavcodec/arm    \
2612
        libavcodec/bfin   \
2613
        libavcodec/mlib   \
2614
        libavcodec/ppc    \
2615
        libavcodec/sh4    \
2616
        libavcodec/sparc  \
2617
        libavcodec/x86    \
2618
        libavdevice       \
2619
        libavfilter       \
2620
        libavformat       \
2621
        libavutil         \
2622
        libpostproc       \
2623
        libswscale        \
2624
        libswscale/bfin   \
2625
        libswscale/mlib   \
2626
        libswscale/ppc    \
2627
        libswscale/sparc  \
2628
        libswscale/x86    \
2629
        tests             \
2630
        tools             \
2631
        "
2632
    FILES="\
2633
        Makefile             \
2634
        common.mak           \
2635
        subdir.mak           \
2636
        doc/texi2pod.pl      \
2637
        libavcodec/Makefile  \
2638
        libavdevice/Makefile \
2639
        libavfilter/Makefile \
2640
        libavformat/Makefile \
2641
        libavutil/Makefile   \
2642
        libpostproc/Makefile \
2643
        libswscale/Makefile  \
2644
        "
2645
    for dir in $DIRS ; do
2646
        mkdir -p $dir
2647
    done
2648
    for f in $FILES ; do
2649
        $ln_s "$source_path/$f" $f
2650
    done
2651
fi
2652

    
2653

    
2654
# build pkg-config files
2655

    
2656
pkgconfig_generate(){
2657
name=$1
2658
shortname=${name#lib}${build_suffix}
2659
comment=$2
2660
version=$3
2661
libs=$4
2662
requires=$5
2663
cat <<EOF > $name/$name.pc
2664
prefix=$prefix
2665
exec_prefix=\${prefix}
2666
libdir=$libdir
2667
includedir=$incdir
2668

    
2669
Name: $name
2670
Description: $comment
2671
Version: $version
2672
Requires: $(disabled shared && echo $requires)
2673
Requires.private: $(enabled shared && echo $requires)
2674
Conflicts:
2675
Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2676
Libs.private: $(enabled shared && echo $libs)
2677
Cflags: -I\${includedir}
2678
EOF
2679
cat <<EOF > $name/$name-uninstalled.pc
2680
prefix=
2681
exec_prefix=
2682
libdir=\${pcfiledir}
2683
includedir=${source_path}
2684

    
2685
Name: $name
2686
Description: $comment
2687
Version: $version
2688
Requires: $requires
2689
Conflicts:
2690
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2691
Cflags: -I\${includedir}
2692
EOF
2693
}
2694

    
2695
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2696
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2697
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2698
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2699
enabled avfilter &&
2700
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2701
enabled postproc &&
2702
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2703
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"