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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-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 "  --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-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-libamr-nb       enable libamr-nb floating point audio codec [no]"
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  echo "  --enable-libamr-wb       enable libamr-wb floating point audio codec [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 "  --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"
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  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"
204
  echo "  --disable-amd3dnowext    disable 3DNow! extended optimizations"
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  echo "  --disable-mmx            disable MMX optimizations"
206
  echo "  --disable-mmx2           disable MMX2 optimizations"
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  echo "  --disable-sse            disable SSE optimizations"
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  echo "  --disable-ssse3          disable SSSE3 optimizations"
209
  echo "  --disable-armv5te        disable armv5te optimizations"
210
  echo "  --disable-armv6          disable armv6 optimizations"
211
  echo "  --disable-armv6t2        disable armv6t2 optimizations"
212
  echo "  --disable-armvfp         disable ARM VFP optimizations"
213
  echo "  --disable-iwmmxt         disable iwmmxt optimizations"
214
  echo "  --disable-mmi            disable MMI optimizations"
215
  echo "  --disable-neon           disable neon optimizations"
216
  echo "  --disable-vis            disable VIS optimizations"
217
  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"
221
  echo "  --enable-debug=LEVEL     set the debug level [$debuglevel]"
222
  echo "  --enable-gprof           enable profiling with gprof [$gprof]"
223
  echo "  --disable-optimizations  disable compiler optimizations"
224
  echo "  --enable-extra-warnings  enable more compiler warnings"
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  echo "  --disable-stripping      disable stripping of executables and shared libraries"
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  echo ""
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  echo "NOTE: Object files are built at the place where configure is launched."
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  exit 0
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}
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231
log(){
232
    echo "$@" >> $logfile
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}
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235
log_file(){
236
    log BEGIN $1
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    pr -n -t $1 >> $logfile
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    log END $1
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}
240

    
241
echolog(){
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    log "$@"
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    echo "$@"
244
}
245

    
246
die(){
247
    echolog "$@"
248
    cat <<EOF
249

    
250
If you think configure made a mistake, make sure you are using the latest
251
version from SVN.  If the latest version fails, report the problem to the
252
ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
253
EOF
254
    if disabled logging; then
255
        cat <<EOF
256
Rerun configure with logging enabled (do not use --disable-logging), and
257
include the log this produces with your report.
258
EOF
259
    else
260
cat <<EOF
261
Include the log file "$logfile" produced by configure as this will help
262
solving the problem.
263
EOF
264
    fi
265
    exit 1
266
}
267

    
268
# Avoid locale weirdness, besides we really just want to translate ASCII.
269
toupper(){
270
    echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
271
}
272

    
273
tolower(){
274
    echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
275
}
276

    
277
c_escape(){
278
    echo "$*" | sed 's/["\\]/\\\0/g'
279
}
280

    
281
set_all(){
282
    value=$1
283
    shift
284
    for var in $*; do
285
        eval $var=$value
286
    done
287
}
288

    
289
set_weak(){
290
    value=$1
291
    shift
292
    for var; do
293
        eval : \${$var:=$value}
294
    done
295
}
296

    
297
pushvar(){
298
    for var in $*; do
299
        eval level=\${${var}_level:=0}
300
        eval ${var}_${level}="\$$var"
301
        eval ${var}_level=$(($level+1))
302
    done
303
}
304

    
305
popvar(){
306
    for var in $*; do
307
        eval level=\${${var}_level:-0}
308
        test $level = 0 && continue
309
        eval level=$(($level-1))
310
        eval $var="\${${var}_${level}}"
311
        eval ${var}_level=$level
312
        eval unset ${var}_${level}
313
    done
314
}
315

    
316
enable(){
317
    set_all yes $*
318
}
319

    
320
disable(){
321
    set_all no $*
322
}
323

    
324
enable_weak(){
325
    set_weak yes $*
326
}
327

    
328
disable_weak(){
329
    set_weak no $*
330
}
331

    
332
enable_safe(){
333
    enable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
334
}
335

    
336
disable_safe(){
337
    disable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
338
}
339

    
340
do_enable_deep(){
341
    for var; do
342
        enabled $var && continue
343
        eval sel="\$${var}_select"
344
        eval sgs="\$${var}_suggest"
345
        pushvar var sgs
346
        enable_deep $sel
347
        popvar sgs
348
        enable_deep_weak $sgs
349
        popvar var
350
    done
351
}
352

    
353
enable_deep(){
354
    do_enable_deep $*
355
    enable $*
356
}
357

    
358
enable_deep_weak(){
359
    do_enable_deep $*
360
    enable_weak $*
361
}
362

    
363
enabled(){
364
    test "${1#!}" = "$1" && op== || op=!=
365
    eval test "x\$${1#!}" $op "xyes"
366
}
367

    
368
disabled(){
369
    test "${1#!}" = "$1" && op== || op=!=
370
    eval test "x\$${1#!}" $op "xno"
371
}
372

    
373
enabled_all(){
374
    for opt; do
375
        enabled $opt || return 1
376
    done
377
}
378

    
379
disabled_all(){
380
    for opt; do
381
        disabled $opt || return 1
382
    done
383
}
384

    
385
enabled_any(){
386
    for opt; do
387
        enabled $opt && return 0
388
    done
389
}
390

    
391
disabled_any(){
392
    for opt; do
393
        disabled $opt && return 0
394
    done
395
    return 1
396
}
397

    
398
set_default(){
399
    for opt; do
400
        eval : \${$opt:=\$${opt}_default}
401
    done
402
}
403

    
404
is_in(){
405
    value=$1
406
    shift
407
    for var in $*; do
408
        [ $var = $value ] && return 0
409
    done
410
    return 1
411
}
412

    
413
check_deps(){
414
    for cfg; do
415
        cfg="${cfg#!}"
416
        enabled ${cfg}_checking && die "Circular dependency for $cfg."
417
        disabled ${cfg}_checking && continue
418
        enable ${cfg}_checking
419

    
420
        eval dep_all="\$${cfg}_deps"
421
        eval dep_any="\$${cfg}_deps_any"
422
        eval dep_sel="\$${cfg}_select"
423
        eval dep_sgs="\$${cfg}_suggest"
424

    
425
        pushvar cfg dep_all dep_any dep_sel dep_sgs
426
        check_deps $dep_all $dep_any $dep_sel $dep_sgs
427
        popvar cfg dep_all dep_any dep_sel dep_sgs
428

    
429
        enabled_all  $dep_all || disable $cfg
430
        enabled_any  $dep_any || disable $cfg
431
        disabled_any $dep_sel && disable $cfg
432

    
433
        if enabled $cfg; then
434
            eval dep_extralibs="\$${cfg}_extralibs"
435
            test -n "$dep_extralibs" && add_extralibs $dep_extralibs
436
            enable_deep $dep_sel
437
            enable_deep_weak $dep_sgs
438
        fi
439

    
440
        disable ${cfg}_checking
441
    done
442
}
443

    
444
print_config(){
445
    pfx=$1
446
    header=$2
447
    makefile=$3
448
    shift 3
449
    for cfg; do
450
        ucname="$(toupper $cfg)"
451
        if enabled $cfg; then
452
            echo "#define ${pfx}${ucname} 1" >> $header
453
            echo "${pfx}${ucname}=yes" >> $makefile
454
        else
455
            echo "#define ${pfx}${ucname} 0" >> $header
456
        fi
457
    done
458
}
459

    
460
flags_saved(){
461
    (: ${SAVE_CFLAGS?}) 2> /dev/null
462
}
463

    
464
save_flags(){
465
    flags_saved && return
466
    SAVE_CFLAGS="$CFLAGS"
467
    SAVE_LDFLAGS="$LDFLAGS"
468
    SAVE_extralibs="$extralibs"
469
}
470

    
471
restore_flags(){
472
    flags_saved || return
473
    CFLAGS="$SAVE_CFLAGS"
474
    LDFLAGS="$SAVE_LDFLAGS"
475
    extralibs="$SAVE_extralibs"
476
    unset SAVE_CFLAGS
477
    unset SAVE_LDFLAGS
478
    unset SAVE_extralibs
479
}
480

    
481
temp_cflags(){
482
    save_flags
483
    CFLAGS="$CFLAGS $*"
484
}
485

    
486
temp_ldflags(){
487
    save_flags
488
    LDFLAGS="$LDFLAGS $*"
489
}
490

    
491
temp_extralibs(){
492
    save_flags
493
    extralibs="$extralibs $*"
494
}
495

    
496
append(){
497
    var=$1
498
    shift
499
    flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
500
    eval "$var=\"\$$var $*\""
501
}
502

    
503
add_cflags(){
504
    append CFLAGS "$@"
505
}
506

    
507
add_ldflags(){
508
    append LDFLAGS "$@"
509
}
510

    
511
add_extralibs(){
512
    append extralibs "$@"
513
}
514

    
515
check_cmd(){
516
    log "$@"
517
    "$@" >> $logfile 2>&1
518
}
519

    
520
check_cc(){
521
    log check_cc "$@"
522
    cat > $TMPC
523
    log_file $TMPC
524
    check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
525
}
526

    
527
check_cpp(){
528
    log check_cpp "$@"
529
    cat > $TMPC
530
    log_file $TMPC
531
    check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
532
}
533

    
534
check_as(){
535
    log check_as "$@"
536
    cat > $TMPC
537
    log_file $TMPC
538
    check_cmd $as $CFLAGS "$@" -c -o $TMPO $TMPC
539
}
540

    
541
check_asm(){
542
    log check_asm "$@"
543
    name="$1"
544
    asm="$2"
545
    shift 2
546
    check_as "$@" <<EOF && enable $name || disable $name
547
void foo(void){ __asm__ volatile($asm); }
548
EOF
549
}
550

    
551
check_yasm(){
552
    log check_yasm "$@"
553
    echo "$1" > $TMPS
554
    log_file $TMPS
555
    shift 1
556
    check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
557
}
558

    
559
check_ld(){
560
    log check_ld "$@"
561
    check_cc || return
562
    flags=''
563
    libs=''
564
    for f; do
565
        test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
566
    done
567
    check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
568
}
569

    
570
check_cflags(){
571
    log check_cflags "$@"
572
    check_cc "$@" <<EOF && add_cflags "$@"
573
int x;
574
EOF
575
}
576

    
577
check_ldflags(){
578
    log check_ldflags "$@"
579
    check_ld "$@" <<EOF && add_ldflags "$@"
580
int main(void){ return 0; }
581
EOF
582
}
583

    
584
check_header(){
585
    log check_header "$@"
586
    header=$1
587
    shift
588
    disable_safe $header
589
    check_cpp "$@" <<EOF && enable_safe $header
590
#include <$header>
591
int x;
592
EOF
593
}
594

    
595
check_func(){
596
    log check_func "$@"
597
    func=$1
598
    shift
599
    disable $func
600
    check_ld "$@" <<EOF && enable $func
601
extern int $func();
602
int main(void){ $func(); }
603
EOF
604
}
605

    
606
check_func_headers(){
607
    log check_func_headers "$@"
608
    headers=$1
609
    func=$2
610
    shift 2
611
    disable $func
612
    incs=""
613
    for hdr in $headers; do
614
        incs="$incs
615
#include <$hdr>"
616
    done
617
    check_ld "$@" <<EOF && enable $func && enable_safe $headers
618
$incs
619
int main(int argc, char **argv){
620
    (void) $func;
621
    return 0;
622
}
623
EOF
624
}
625

    
626
check_cpp_condition(){
627
    log check_cpp_condition "$@"
628
    header=$1
629
    condition=$2
630
    check_cpp <<EOF
631
#include <$header>
632
#if !($condition)
633
#error "unsatisfied condition: $condition"
634
#endif
635
EOF
636
}
637

    
638
check_lib(){
639
    log check_lib "$@"
640
    header="$1"
641
    func="$2"
642
    shift 2
643
    temp_extralibs "$@"
644
    check_header $header && check_func $func && add_extralibs "$@"
645
    err=$?
646
    restore_flags
647
    return $err
648
}
649

    
650
check_lib2(){
651
    log check_lib2 "$@"
652
    headers="$1"
653
    func="$2"
654
    shift 2
655
    temp_extralibs "$@"
656
    check_func_headers "$headers" $func && add_extralibs "$@"
657
    err=$?
658
    restore_flags
659
    return $err
660
}
661

    
662
check_exec(){
663
    check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
664
}
665

    
666
check_exec_crash(){
667
    code=$(cat)
668

    
669
    # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
670
    # are safe but may not be available everywhere.  Thus we use
671
    # raise(SIGTERM) instead.  The check is run in a subshell so we
672
    # can redirect the "Terminated" message from the shell.  SIGBUS
673
    # is not defined by standard C so it is used conditionally.
674

    
675
    (check_exec "$@") >> $logfile 2>&1 <<EOF
676
#include <signal.h>
677
static void sighandler(int sig){
678
    raise(SIGTERM);
679
}
680
int main(void){
681
    signal(SIGILL, sighandler);
682
    signal(SIGFPE, sighandler);
683
    signal(SIGSEGV, sighandler);
684
#ifdef SIGBUS
685
    signal(SIGBUS, sighandler);
686
#endif
687
    { $code }
688
}
689
EOF
690
}
691

    
692
check_type(){
693
    log check_type "$@"
694
    headers=$1
695
    type=$2
696
    shift 2
697
    disable $type
698
    incs=""
699
    for hdr in $headers; do
700
        incs="$incs
701
#include <$hdr>"
702
    done
703
    check_cc "$@" <<EOF && enable $type
704
$incs
705
$type v;
706
EOF
707
}
708

    
709
require(){
710
    name="$1"
711
    header="$2"
712
    func="$3"
713
    shift 3
714
    check_lib $header $func "$@" || die "ERROR: $name not found"
715
}
716

    
717
require2(){
718
    name="$1"
719
    headers="$2"
720
    func="$3"
721
    shift 3
722
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
723
}
724

    
725
check_foo_config(){
726
    cfg=$1
727
    pkg=$2
728
    header=$3
729
    func=$4
730
    shift 4
731
    disable $cfg
732
    check_cmd ${pkg}-config --version
733
    err=$?
734
    if test "$err" = 0; then
735
        temp_cflags $(${pkg}-config --cflags)
736
        temp_extralibs $(${pkg}-config --libs)
737
        check_lib "$@" $header $func && enable $cfg
738
    fi
739
    return $err
740
}
741

    
742
apply(){
743
    file=$1
744
    shift
745
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
746
}
747

    
748
# CONFIG_LIST contains configurable options, while HAVE_LIST is for
749
# system-dependent things.
750

    
751
COMPONENT_LIST="
752
    bsfs
753
    decoders
754
    demuxers
755
    encoders
756
    filters
757
    hwaccels
758
    indevs
759
    muxers
760
    outdevs
761
    parsers
762
    protocols
763
"
764

    
765
CONFIG_LIST="
766
    $COMPONENT_LIST
767
    aandct
768
    avfilter
769
    avfilter_lavf
770
    avisynth
771
    beos_netserver
772
    bzlib
773
    fastdiv
774
    ffmpeg
775
    ffplay
776
    ffserver
777
    fft
778
    golomb
779
    gpl
780
    gprof
781
    gray
782
    hardcoded_tables
783
    ipv6
784
    libamr_nb
785
    libamr_wb
786
    libdc1394
787
    libdirac
788
    libfaac
789
    libfaad
790
    libfaadbin
791
    libgsm
792
    libmp3lame
793
    libnut
794
    libopenjpeg
795
    libschroedinger
796
    libspeex
797
    libtheora
798
    libvorbis
799
    libx264
800
    libxvid
801
    mdct
802
    memalign_hack
803
    mlib
804
    mpegaudio_hp
805
    network
806
    nonfree
807
    postproc
808
    powerpc_perf
809
    rdft
810
    runtime_cpudetect
811
    shared
812
    small
813
    static
814
    swscale_alpha
815
    x11grab
816
    zlib
817
"
818

    
819
THREADS_LIST='
820
    beosthreads
821
    os2threads
822
    pthreads
823
    w32threads
824
'
825

    
826
ARCH_LIST='
827
    alpha
828
    arm
829
    bfin
830
    ia64
831
    m68k
832
    mips
833
    parisc
834
    ppc
835
    s390
836
    sh4
837
    sparc
838
    sparc64
839
    x86
840
    x86_32
841
    x86_64
842
'
843

    
844
ARCH_EXT_LIST='
845
    altivec
846
    amd3dnow
847
    amd3dnowext
848
    armv5te
849
    armv6
850
    armv6t2
851
    armvfp
852
    iwmmxt
853
    mmi
854
    mmx
855
    mmx2
856
    neon
857
    ppc4xx
858
    sse
859
    ssse3
860
    vis
861
'
862

    
863
HAVE_LIST="
864
    $ARCH_EXT_LIST
865
    $THREADS_LIST
866
    alsa_asoundlib_h
867
    altivec_h
868
    arpa_inet_h
869
    bswap
870
    closesocket
871
    cmov
872
    conio_h
873
    dcbzl
874
    dev_bktr_ioctl_bt848_h
875
    dev_bktr_ioctl_meteor_h
876
    dev_ic_bt8xx_h
877
    dev_video_meteor_ioctl_meteor_h
878
    dev_video_bktr_ioctl_bt848_h
879
    dlfcn_h
880
    dlopen
881
    dos_paths
882
    ebp_available
883
    ebx_available
884
    fast_64bit
885
    fast_cmov
886
    fast_unaligned
887
    fork
888
    gethrtime
889
    GetProcessTimes
890
    getrusage
891
    inet_aton
892
    inline_asm
893
    libdc1394_1
894
    libdc1394_2
895
    llrint
896
    lrint
897
    lrintf
898
    lzo1x_999_compress
899
    machine_ioctl_bt848_h
900
    machine_ioctl_meteor_h
901
    malloc_h
902
    memalign
903
    mkstemp
904
    pld
905
    posix_memalign
906
    ppc64
907
    round
908
    roundf
909
    sdl
910
    sdl_video_size
911
    setmode
912
    socklen_t
913
    soundcard_h
914
    poll_h
915
    sys_mman_h
916
    sys_resource_h
917
    sys_select_h
918
    sys_soundcard_h
919
    sys_videoio_h
920
    ten_operands
921
    termios_h
922
    threads
923
    truncf
924
    VirtualAlloc
925
    winsock2_h
926
    yasm
927
"
928

    
929
# options emitted with CONFIG_ prefix but not available on command line
930
CONFIG_EXTRA="
931
"
932

    
933
CMDLINE_SELECT="
934
    $ARCH_EXT_LIST
935
    $CONFIG_LIST
936
    $THREADS_LIST
937
    cross_compile
938
    debug
939
    extra_warnings
940
    logging
941
    optimizations
942
    stripping
943
    yasm
944
"
945

    
946
PATHS_LIST='
947
    bindir
948
    datadir
949
    incdir
950
    libdir
951
    mandir
952
    prefix
953
    shlibdir
954
'
955

    
956
CMDLINE_SET="
957
    $PATHS_LIST
958
    arch
959
    as
960
    build_suffix
961
    cc
962
    cpu
963
    cross_prefix
964
    extra_version
965
    host_cc
966
    host_cflags
967
    host_ldflags
968
    host_libs
969
    host_os
970
    logfile
971
    nm
972
    source_path
973
    sysinclude
974
    sysroot
975
    target_exec
976
    target_os
977
    target_path
978
"
979

    
980
# code dependency declarations
981

    
982
# architecture extensions
983
altivec_deps="ppc"
984
amd3dnow_deps="mmx"
985
amd3dnowext_deps="amd3dnow"
986
armv5te_deps="arm"
987
armv6_deps="arm"
988
armv6t2_deps="arm"
989
armvfp_deps="arm"
990
iwmmxt_deps="arm"
991
mmi_deps="mips"
992
mmx_deps="x86"
993
mmx2_deps="mmx"
994
neon_deps="arm"
995
ppc4xx_deps="ppc"
996
sse_deps="mmx"
997
ssse3_deps="sse"
998
vis_deps="sparc"
999

    
1000
# decoders / encoders / hardware accelerators
1001
aac_decoder_select="fft mdct"
1002
ac3_decoder_deps="gpl"
1003
ac3_decoder_select="fft mdct"
1004
atrac3_decoder_select="fft mdct"
1005
cavs_decoder_select="golomb"
1006
cook_decoder_select="fft mdct"
1007
cscd_decoder_suggest="zlib"
1008
dca_decoder_select="fft mdct"
1009
dnxhd_encoder_select="aandct"
1010
dxa_decoder_select="zlib"
1011
eac3_decoder_deps="gpl"
1012
eac3_decoder_select="fft mdct"
1013
eatgq_decoder_select="aandct"
1014
eatqi_decoder_select="aandct"
1015
ffv1_decoder_select="golomb"
1016
flac_decoder_select="golomb"
1017
flac_encoder_select="golomb"
1018
flashsv_decoder_select="zlib"
1019
flashsv_encoder_select="zlib"
1020
flv_encoder_select="aandct"
1021
h261_encoder_select="aandct"
1022
h263_encoder_select="aandct"
1023
h263_vaapi_hwaccel_deps="va_va_h"
1024
h263p_encoder_select="aandct"
1025
h264_decoder_select="golomb"
1026
h264_vaapi_hwaccel_deps="va_va_h"
1027
h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1028
imc_decoder_select="fft mdct"
1029
jpegls_decoder_select="golomb"
1030
jpegls_encoder_select="golomb"
1031
ljpeg_encoder_select="aandct"
1032
loco_decoder_select="golomb"
1033
mjpeg_encoder_select="aandct"
1034
mpeg1video_encoder_select="aandct"
1035
mpeg2video_encoder_select="aandct"
1036
mpeg4_encoder_select="aandct"
1037
mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1038
mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1039
mpeg2_vaapi_hwaccel_deps="va_va_h"
1040
mpeg4_vaapi_hwaccel_deps="va_va_h"
1041
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1042
msmpeg4v1_encoder_select="aandct"
1043
msmpeg4v2_encoder_select="aandct"
1044
msmpeg4v3_encoder_select="aandct"
1045
nellymoser_decoder_select="fft mdct"
1046
nellymoser_encoder_select="fft mdct"
1047
png_decoder_select="zlib"
1048
png_encoder_select="zlib"
1049
qdm2_decoder_select="fft mdct rdft"
1050
rv10_encoder_select="aandct"
1051
rv20_encoder_select="aandct"
1052
rv30_decoder_select="golomb"
1053
rv40_decoder_select="golomb"
1054
shorten_decoder_select="golomb"
1055
sonic_decoder_select="golomb"
1056
sonic_encoder_select="golomb"
1057
sonic_ls_encoder_select="golomb"
1058
svq3_decoder_select="golomb"
1059
svq3_decoder_suggest="zlib"
1060
tiff_decoder_suggest="zlib"
1061
tiff_encoder_suggest="zlib"
1062
tscc_decoder_select="zlib"
1063
vc1_vaapi_hwaccel_deps="va_va_h"
1064
vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1065
vorbis_decoder_select="fft mdct"
1066
vorbis_encoder_select="fft mdct"
1067
wmav1_decoder_select="fft mdct"
1068
wmav1_encoder_select="fft mdct"
1069
wmav2_decoder_select="fft mdct"
1070
wmav2_encoder_select="fft mdct"
1071
wmv1_encoder_select="aandct"
1072
wmv2_encoder_select="aandct"
1073
wmv3_vaapi_hwaccel_deps="va_va_h"
1074
wmv3_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1075
zlib_decoder_select="zlib"
1076
zlib_encoder_select="zlib"
1077
zmbv_decoder_select="zlib"
1078
zmbv_encoder_select="zlib"
1079

    
1080
# external libraries
1081
libamr_nb_decoder_deps="libamr_nb"
1082
libamr_nb_encoder_deps="libamr_nb"
1083
libamr_wb_decoder_deps="libamr_wb"
1084
libamr_wb_encoder_deps="libamr_wb"
1085
libdirac_decoder_deps="libdirac !libschroedinger"
1086
libdirac_encoder_deps="libdirac"
1087
libfaac_encoder_deps="libfaac"
1088
libfaad_decoder_deps="libfaad"
1089
libfaadbin_decoder_extralibs='$ldl'
1090
libgsm_decoder_deps="libgsm"
1091
libgsm_encoder_deps="libgsm"
1092
libgsm_ms_decoder_deps="libgsm"
1093
libgsm_ms_encoder_deps="libgsm"
1094
libmp3lame_encoder_deps="libmp3lame"
1095
libopenjpeg_decoder_deps="libopenjpeg"
1096
libschroedinger_decoder_deps="libschroedinger"
1097
libschroedinger_encoder_deps="libschroedinger"
1098
libspeex_decoder_deps="libspeex"
1099
libtheora_encoder_deps="libtheora"
1100
libvorbis_encoder_deps="libvorbis"
1101
libx264_encoder_deps="libx264"
1102
libxvid_encoder_deps="libxvid"
1103

    
1104
# demuxers / muxers
1105
ac3_demuxer_deps="ac3_parser"
1106
alsa_demuxer_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1107
alsa_demuxer_extralibs="-lasound"
1108
alsa_muxer_deps="alsa_asoundlib_h"
1109
alsa_muxer_extralibs="-lasound"
1110
audio_beos_demuxer_deps="audio_beos"
1111
audio_beos_demuxer_extralibs="-lmedia -lbe"
1112
audio_beos_muxer_deps="audio_beos"
1113
audio_beos_muxer_extralibs="-lmedia -lbe"
1114
avisynth_demuxer_deps="avisynth"
1115
bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1116
dirac_demuxer_deps="dirac_parser"
1117
dv1394_demuxer_deps="dv1394 dv_demuxer"
1118
jack_demuxer_deps="jack_jack_h"
1119
jack_demuxer_extralibs="-ljack"
1120
libdc1394_demuxer_deps="libdc1394"
1121
libnut_demuxer_deps="libnut"
1122
libnut_muxer_deps="libnut"
1123
matroska_demuxer_suggest="zlib bzlib"
1124
mov_demuxer_suggest="zlib"
1125
mp3_demuxer_deps="mpegaudio_parser"
1126
oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
1127
oss_muxer_deps_any="soundcard_h sys_soundcard_h"
1128
redir_demuxer_deps="network"
1129
rtp_muxer_deps="network rtp_protocol"
1130
rtsp_demuxer_deps="sdp_demuxer"
1131
sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1132
v4l_demuxer_deps="linux_videodev_h"
1133
v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
1134
vfwcap_demuxer_deps="capCreateCaptureWindow"
1135
vfwcap_demuxer_extralibs="-lvfw32"
1136
x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
1137
x11_grab_device_demuxer_extralibs="-lX11 -lXext"
1138

    
1139
# protocols
1140
gopher_protocol_deps="network"
1141
http_protocol_deps="network"
1142
rtp_protocol_deps="udp_protocol"
1143
tcp_protocol_deps="network"
1144
udp_protocol_deps="network"
1145

    
1146
# filters
1147
movie_filter_deps="avfilter_lavf"
1148

    
1149
# programs
1150
ffplay_deps="sdl"
1151
ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1152
ffserver_extralibs='$ldl'
1153

    
1154

    
1155
# default parameters
1156

    
1157
logfile="config.err"
1158

    
1159
# installation paths
1160
prefix_default="/usr/local"
1161
bindir_default='${prefix}/bin'
1162
datadir_default='${prefix}/share/ffmpeg'
1163
incdir_default='${prefix}/include'
1164
libdir_default='${prefix}/lib'
1165
mandir_default='${prefix}/share/man'
1166
shlibdir_default="$libdir_default"
1167

    
1168
# toolchain
1169
ar="ar"
1170
cc_default="gcc"
1171
host_cc_default="gcc"
1172
ln_s="ln -sf"
1173
nm_default="nm"
1174
objformat="elf"
1175
ranlib="ranlib"
1176
strip="strip"
1177
yasmexe="yasm"
1178

    
1179
# machine
1180
arch=$(uname -m)
1181
cpu="generic"
1182

    
1183
# OS
1184
target_os=$(tolower $(uname -s))
1185
host_os=$target_os
1186

    
1187
# configurable options
1188
enable debug
1189
enable fastdiv
1190
enable ffmpeg
1191
enable ffplay
1192
enable ffserver
1193
enable ipv6
1194
enable mpegaudio_hp
1195
enable network
1196
enable optimizations
1197
enable protocols
1198
enable static
1199
enable stripping
1200
enable swscale_alpha
1201

    
1202
# build settings
1203
add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1204
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1205
FFSERVERLDFLAGS=-Wl,-E
1206
LIBPREF="lib"
1207
LIBSUF=".a"
1208
FULLNAME='$(NAME)$(BUILDSUF)'
1209
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1210
SLIBPREF="lib"
1211
SLIBSUF=".so"
1212
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1213
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1214
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1215
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1216

    
1217
host_cflags='-O3 -g -Wall'
1218
host_libs='-lm'
1219

    
1220
target_path='.'
1221

    
1222
# gcc stupidly only outputs the basename of targets with -MM, but we need the
1223
# full relative path for objects in subdirectories for non-recursive Make.
1224
DEPEND_CMD='$(CC) $(CFLAGS) -MM $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1225

    
1226
# find source path
1227
source_path="$(dirname "$0")"
1228
enable source_path_used
1229
if test -z "$source_path" -o "$source_path" = "." ; then
1230
    source_path="$(pwd)"
1231
    disable source_path_used
1232
else
1233
    source_path="$(cd "$source_path"; pwd)"
1234
    echo "$source_path" | grep -q '[[:blank:]]' &&
1235
        die "Out of tree builds are impossible with whitespace in source path."
1236
    test -e "$source_path/config.h" &&
1237
        die "Out of tree builds are impossible with config.h in source dir."
1238
fi
1239

    
1240
for v in "$@"; do
1241
    r="${v#*=}"
1242
    l="${v%$r}"
1243
    test "$r" = "${r#* }" || r="'$r'"
1244
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1245
done
1246

    
1247
find_things(){
1248
    thing=$1
1249
    pattern=$2
1250
    file=$source_path/$3
1251
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1252
}
1253

    
1254
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1255
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1256
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1257
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1258
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1259
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1260
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1261
OUTDEV_LIST=$(find_things   muxer    _MUX     libavdevice/alldevices.c)
1262
INDEV_LIST=$(find_things    demuxer  DEMUX    libavdevice/alldevices.c)
1263
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1264
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1265

    
1266
enable $ARCH_EXT_LIST \
1267
       $DECODER_LIST \
1268
       $ENCODER_LIST \
1269
       $HWACCEL_LIST \
1270
       $PARSER_LIST \
1271
       $BSF_LIST \
1272
       $DEMUXER_LIST \
1273
       $MUXER_LIST \
1274
       $FILTER_LIST \
1275
       $PROTOCOL_LIST \
1276
       $INDEV_LIST \
1277
       $OUTDEV_LIST \
1278

    
1279
die_unknown(){
1280
    echo "Unknown option \"$1\"."
1281
    echo "See $0 --help for available options."
1282
    exit 1
1283
}
1284

    
1285
show_list() {
1286
    suffix=_$1
1287
    shift
1288
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1289
    exit 0
1290
}
1291

    
1292
for opt do
1293
    optval="${opt#*=}"
1294
    case "$opt" in
1295
    --extra-cflags=*) add_cflags $optval
1296
    ;;
1297
    --extra-ldflags=*) add_ldflags $optval
1298
    ;;
1299
    --extra-libs=*) add_extralibs $optval
1300
    ;;
1301
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1302
    ;;
1303
    --enable-debug=*) debuglevel="$optval"
1304
    ;;
1305
    --enable-*=*|--disable-*=*)
1306
    eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
1307
    case "$thing" in
1308
        encoder|decoder|hwaccel|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1309
        *) die_unknown "$opt" ;;
1310
    esac
1311
    ;;
1312
    --enable-?*|--disable-?*)
1313
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1314
    if is_in $option $COMPONENT_LIST; then
1315
        eval $action \$$(toupper ${option%s})_LIST
1316
    elif is_in $option $CMDLINE_SELECT; then
1317
        $action $option
1318
    else
1319
        die_unknown $opt
1320
    fi
1321
    ;;
1322
    --list-*)
1323
        NAME="${opt#--list-}"
1324
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1325
        NAME=${NAME%s}
1326
        eval show_list $NAME \$$(toupper $NAME)_LIST
1327
    ;;
1328
    --help|-h) show_help
1329
    ;;
1330
    *)
1331
    optname="${opt%%=*}"
1332
    optname="${optname#--}"
1333
    optname=$(echo "$optname" | sed 's/-/_/g')
1334
    is_in $optname $CMDLINE_SET || die_unknown $opt
1335
    eval $optname='$optval'
1336
    ;;
1337
    esac
1338
done
1339

    
1340
disabled logging && logfile=/dev/null
1341

    
1342
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1343
set >> $logfile
1344

    
1345
test -n "$cross_prefix" && enable cross_compile
1346

    
1347
ar="${cross_prefix}${ar}"
1348
cc_default="${cross_prefix}${cc_default}"
1349
nm_default="${cross_prefix}${nm_default}"
1350
ranlib="${cross_prefix}${ranlib}"
1351
strip="${cross_prefix}${strip}"
1352

    
1353
sysinclude_default="${sysroot}/usr/include"
1354

    
1355
set_default cc nm sysinclude
1356
as_default=$cc
1357
enabled cross_compile || host_cc_default=$cc
1358
set_default host_cc
1359

    
1360
exesuf() {
1361
    case $1 in
1362
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1363
    esac
1364
}
1365

    
1366
EXESUF=$(exesuf $target_os)
1367
HOSTEXESUF=$(exesuf $host_os)
1368

    
1369
# set temporary file name
1370
: ${TMPDIR:=$TEMPDIR}
1371
: ${TMPDIR:=$TMP}
1372
: ${TMPDIR:=/tmp}
1373

    
1374
if ! check_cmd type mktemp; then
1375
    # simple replacement for missing mktemp
1376
    # NOT SAFE FOR GENERAL USE
1377
    mktemp(){
1378
        echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1379
    }
1380
fi
1381

    
1382
tmpfile(){
1383
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1384
        (set -C; exec > $tmp) 2>/dev/null ||
1385
        die "Unable to create temoporary file in $TMPDIR."
1386
    append TMPFILES $tmp
1387
    eval $1=$tmp
1388
}
1389

    
1390
trap 'rm -f -- $TMPFILES' EXIT
1391
trap exit HUP INT TERM
1392

    
1393
tmpfile TMPC  .c
1394
tmpfile TMPE  $EXESUF
1395
tmpfile TMPH  .h
1396
tmpfile TMPO  .o
1397
tmpfile TMPS  .S
1398
tmpfile TMPSH .sh
1399

    
1400
unset -f mktemp
1401

    
1402
# make sure we can execute files in $TMPDIR
1403
cat > $TMPSH 2>> $logfile <<EOF
1404
#! /bin/sh
1405
EOF
1406
chmod +x $TMPSH >> $logfile 2>&1
1407
if ! $TMPSH >> $logfile 2>&1; then
1408
    cat <<EOF
1409
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1410
variable to another directory and make sure that it is not mounted noexec.
1411
EOF
1412
    die "Sanity test failed."
1413
fi
1414

    
1415
if   $cc --version 2>/dev/null | grep -qi gcc; then
1416
    cc_type=gcc
1417
elif $cc --version 2>/dev/null | grep -q Intel; then
1418
    cc_type=icc
1419
elif $cc -v 2>&1 | grep -q xlc; then
1420
    cc_type=xlc
1421
elif $cc -V 2>/dev/null | grep -q Compaq; then
1422
    cc_type=ccc
1423
    DEPEND_CMD='$(CC) $(CFLAGS) -M $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1424
    debuglevel=3
1425
    add_ldflags -Wl,-z,now # calls to libots crash without this
1426
elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1427
    test -d "$sysroot" || die "No valid sysroot specified."
1428
    cc_type=armcc
1429
    armcc_conf="$PWD/armcc.conf"
1430
    $cc --arm_linux_configure                 \
1431
        --arm_linux_config_file="$armcc_conf" \
1432
        --configure_sysroot="$sysroot"        \
1433
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1434
        die "Error creating armcc configuration file."
1435
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1436
    as_default="${cross_prefix}gcc"
1437
fi
1438

    
1439
test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1440

    
1441
set_default as
1442

    
1443
if test -n "$sysroot"; then
1444
    case "$cc_type" in
1445
        gcc)
1446
            add_cflags  --sysroot="$sysroot"
1447
            add_ldflags --sysroot="$sysroot"
1448
        ;;
1449
    esac
1450
fi
1451

    
1452
# compiler sanity check
1453
check_exec <<EOF
1454
int main(void){ return 0; }
1455
EOF
1456
if test "$?" != 0; then
1457
    echo "$cc is unable to create an executable file."
1458
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
1459
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1460
        echo "Only do this if you know what cross compiling means."
1461
    fi
1462
    die "C compiler test failed."
1463
fi
1464

    
1465
check_cflags -std=c99
1466
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cflags -D_FILE_OFFSET_BITS=64
1467
#include <stdlib.h>
1468
EOF
1469
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cflags -D_LARGEFILE_SOURCE
1470
#include <stdlib.h>
1471
EOF
1472

    
1473
case "$arch" in
1474
    alpha)
1475
        arch="alpha"
1476
        enable fast_64bit
1477
        check_cflags -mieee
1478
    ;;
1479
    arm|armv[4567]*l)
1480
        arch="arm"
1481
    ;;
1482
    avr32)
1483
    ;;
1484
    bfin)
1485
        arch="bfin"
1486
    ;;
1487
    ia64)
1488
        arch="ia64"
1489
        enable fast_64bit
1490
    ;;
1491
    m68k)
1492
        arch="m68k"
1493
    ;;
1494
    mips|mipsel|IP*)
1495
        arch="mips"
1496
    ;;
1497
    mips64)
1498
        arch="mips"
1499
        enable fast_64bit
1500
    ;;
1501
    parisc|hppa)
1502
        arch="parisc"
1503
    ;;
1504
    parisc64|hppa64)
1505
        arch="parisc"
1506
        enable fast_64bit
1507
    ;;
1508
    "Power Macintosh"|ppc|powerpc)
1509
        arch="ppc"
1510
        enable fast_unaligned
1511
    ;;
1512
    ppc64)
1513
        arch="ppc"
1514
        enable fast_64bit
1515
        enable fast_unaligned
1516
    ;;
1517
    s390|s390x)
1518
        arch="s390"
1519
    ;;
1520
    sh4|sh)
1521
        arch="sh4"
1522
    ;;
1523
    sparc)
1524
        arch="sparc"
1525
    ;;
1526
    sun4u|sparc64)
1527
        arch="sparc"
1528
        subarch="sparc64"
1529
        enable fast_64bit
1530
    ;;
1531
    i386|i486|i586|i686|i86pc|BePC)
1532
        arch="x86"
1533
        subarch="x86_32"
1534
        enable fast_unaligned
1535
    ;;
1536
    x86_64|amd64)
1537
        arch="x86"
1538
        subarch="x86_32"
1539
        enable cmov
1540
        enable fast_cmov
1541
        enable fast_unaligned
1542
        check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1543
        int test[sizeof(char*) - 7];
1544
EOF
1545
    ;;
1546
    *)
1547
        arch="unknown"
1548
    ;;
1549
esac
1550

    
1551
enable $arch $subarch
1552

    
1553
# OS specific
1554
case $target_os in
1555
    beos|haiku|zeta)
1556
        prefix_default="$HOME/config"
1557
        # helps building libavcodec
1558
        add_cflags -DPIC -fomit-frame-pointer
1559
        # 3 gcc releases known for BeOS, each with ugly bugs
1560
        gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1561
        case "$gcc_version" in
1562
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1563
            disable mmx
1564
            ;;
1565
          *20010315*) echo "BeBits gcc"
1566
            add_cflags -fno-expensive-optimizations
1567
            ;;
1568
        esac
1569
        SHFLAGS=-nostart
1570
        # enable BeOS things
1571
        enable audio_beos
1572
        # no need for libm, but the inet stuff
1573
        # Check for BONE
1574
        # XXX: actually should check for NOT net_server
1575
        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1576
            network_extralibs="-lbind -lsocket"
1577
        else
1578
            enable beos_netserver
1579
            network_extralibs="-lnet"
1580
        fi ;;
1581
    sunos)
1582
        FFSERVERLDFLAGS=""
1583
        SHFLAGS='-shared -Wl,-h,$$(@F)'
1584
        network_extralibs="-lsocket -lnsl"
1585
        add_cflags -D__EXTENSIONS__
1586
        ;;
1587
    netbsd)
1588
        oss_demuxer_extralibs="-lossaudio"
1589
        oss_muxer_extralibs="-lossaudio"
1590
        ;;
1591
    openbsd)
1592
        disable need_memalign
1593
        LIBOBJFLAGS='$(PIC)'
1594
        SHFLAGS='-shared'
1595
        oss_demuxer_extralibs="-lossaudio"
1596
        oss_muxer_extralibs="-lossaudio"
1597
        ;;
1598
    freebsd)
1599
        disable need_memalign
1600
        ;;
1601
    bsd/os)
1602
        osextralibs="-lpoll -lgnugetopt"
1603
        strip="strip -d"
1604
        ;;
1605
    darwin)
1606
        disable need_memalign
1607
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1608
        strip="strip -x"
1609
        FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1610
        SLIBSUF=".dylib"
1611
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1612
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1613
        FFSERVERLDFLAGS=-Wl,-bind_at_load
1614
        objformat="macho"
1615
        enabled x86_64 && objformat="macho64"
1616
        ;;
1617
    mingw32*)
1618
        target_os=mingw32
1619
        LIBTARGET=i386
1620
        if enabled x86_64; then
1621
            disable need_memalign
1622
            LIBTARGET=x64
1623
        fi
1624
        shlibdir_default="$bindir_default"
1625
        disable ffserver
1626
        SLIBPREF=""
1627
        SLIBSUF=".dll"
1628
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1629
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1630
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1631
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1632
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1633
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1634
        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'
1635
        objformat="win32"
1636
        enable dos_paths
1637
        if ! enabled x86_64; then
1638
            check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1639
                die "ERROR: MinGW runtime version must be >= 3.15."
1640
            enabled_any avisynth vfwcap_demuxer &&
1641
                { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1642
                  die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1643
            fi
1644
        ;;
1645
    cygwin*)
1646
        target_os=cygwin
1647
        shlibdir_default="$bindir_default"
1648
        SLIBPREF="cyg"
1649
        SLIBSUF=".dll"
1650
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1651
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1652
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
1653
        objformat="win32"
1654
        enable dos_paths
1655
        ;;
1656
    *-dos|freedos|opendos)
1657
        disable ffplay ffserver
1658
        disable $INDEV_LIST $OUTDEV_LIST
1659
        network_extralibs="-lsocket"
1660
        objformat="coff"
1661
        enable dos_paths
1662
        ;;
1663
    linux)
1664
        enable dv1394
1665
        ;;
1666
    irix*)
1667
        target_os=irix
1668
        ranlib="echo ignoring ranlib"
1669
        ;;
1670
    os/2*)
1671
        strip="lxlite"
1672
        ln_s="cp -f"
1673
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1674
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1675
        FFSERVERLDFLAGS=""
1676
        LIBSUF="_s.a"
1677
        SLIBPREF=""
1678
        SLIBSUF=".dll"
1679
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1680
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1681
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1682
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1683
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1684
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1685
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1686
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1687
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1688
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1689
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1690
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1691
        enable dos_paths
1692
        ;;
1693

    
1694
    *)
1695
        die "Unknown OS '$target_os'."
1696
        ;;
1697
esac
1698

    
1699
set_default $PATHS_LIST
1700

    
1701
add_extralibs $osextralibs
1702

    
1703
# Combine FFLDFLAGS and the LDFLAGS environment variable.
1704
LDFLAGS="$FFLDFLAGS $LDFLAGS"
1705

    
1706
# we need to build at least one lib type
1707
if ! enabled_any static shared; then
1708
    cat <<EOF
1709
At least one library type must be built.
1710
Specify --enable-static to build the static libraries or --enable-shared to
1711
build the shared libraries as well. To only build the shared libraries specify
1712
--disable-static in addition to --enable-shared.
1713
EOF
1714
    exit 1;
1715
fi
1716

    
1717
disabled static && LIBNAME=""
1718

    
1719
if enabled_any libfaad libfaadbin ; then
1720
    if check_header faad.h; then
1721
        check_cc <<EOF
1722
#include <faad.h>
1723
#ifndef FAAD2_VERSION
1724
ok faad1
1725
#endif
1726
int main(void) { return 0; }
1727
EOF
1728
        test $? = 0 && enable libfaad2
1729
    else
1730
        die "FAAD test failed."
1731
    fi
1732
fi
1733

    
1734

    
1735
if ! enabled gpl; then
1736
    die_gpl_disabled(){
1737
        name=$1
1738
        shift
1739
        enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1740
    }
1741
    die_gpl_disabled "The Postprocessing code" postproc
1742
    die_gpl_disabled "libx264"                 libx264
1743
    die_gpl_disabled "libxvidcore"             libxvid
1744
    die_gpl_disabled "FAAD2"                   libfaad2
1745
    die_gpl_disabled "The X11 grabber"         x11grab
1746
fi
1747

    
1748
if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1749
    die "libamr is nonfree and --enable-nonfree is not specified."
1750
fi
1751

    
1752
check_deps $ARCH_EXT_LIST
1753

    
1754
test -z "$need_memalign" && need_memalign="$mmx"
1755

    
1756
#Darwin CC versions
1757
if test $target_os = darwin; then
1758
    if enabled xlc; then
1759
        add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1760
    else
1761
        add_cflags -pipe
1762
        check_cflags -force_cpusubtype_ALL
1763
        check_cflags -Wno-sign-compare
1764
        enabled shared || check_cflags -mdynamic-no-pic
1765
    fi
1766
fi
1767

    
1768
disabled optimizations || check_cflags -fomit-frame-pointer
1769

    
1770
# Add processor-specific flags
1771
if test $cpu != "generic"; then
1772
    warn_altivec(){
1773
        $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1774
    }
1775
    case $cpu in
1776
        601|ppc601|PowerPC601)
1777
            add_cflags -mcpu=601
1778
            warn_altivec enabled PPC601
1779
        ;;
1780
        603*|ppc603*|PowerPC603*)
1781
            add_cflags -mcpu=603
1782
            warn_altivec enabled PPC603
1783
        ;;
1784
        604*|ppc604*|PowerPC604*)
1785
            add_cflags -mcpu=604
1786
            warn_altivec enabled PPC604
1787
        ;;
1788
        G3|g3|75*|ppc75*|PowerPC75*)
1789
            add_cflags -mcpu=750 -mpowerpc-gfxopt
1790
            warn_altivec enabled PPC75x
1791
        ;;
1792
        G4|g4|745*|ppc745*|PowerPC745*)
1793
            add_cflags -mcpu=7450 -mpowerpc-gfxopt
1794
            warn_altivec disabled PPC745x
1795
        ;;
1796
        74*|ppc74*|PowerPC74*)
1797
            add_cflags -mcpu=7400 -mpowerpc-gfxopt
1798
            warn_altivec disabled PPC74xx
1799
        ;;
1800
        G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1801
            add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
1802
            warn_altivec disabled PPC970
1803
            enable ppc64
1804
        ;;
1805
        Cell|CELL|cell)
1806
            add_cflags -mcpu=cell
1807
            warn_altivec disabled Cell
1808
            enable ppc64
1809
        ;;
1810
        # targets that do NOT support conditional mov (cmov)
1811
        i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1812
            add_cflags -march=$cpu
1813
            disable cmov
1814
        ;;
1815
        # targets that do support conditional mov (cmov)
1816
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1817
            add_cflags -march=$cpu
1818
            enable cmov
1819
            enable fast_cmov
1820
        ;;
1821
        # targets that do support conditional mov but on which it's slow
1822
        pentium4|pentium4m|prescott|nocona)
1823
            add_cflags -march=$cpu
1824
            enable cmov
1825
            disable fast_cmov
1826
        ;;
1827
        sparc64)
1828
            add_cflags -mcpu=v9
1829
        ;;
1830
        arm11*|cortex*)
1831
            add_cflags -mcpu=$cpu
1832
            enable fast_unaligned
1833
        ;;
1834
        armv*)
1835
            add_cflags -march=$cpu
1836
        ;;
1837
        arm*)
1838
            add_cflags -mcpu=$cpu
1839
        ;;
1840
        ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1841
            enabled ccc && add_cflags -arch $cpu || add_cflags -mcpu=$cpu
1842
        ;;
1843
        *)
1844
            echo "WARNING: Unknown CPU \"$cpu\", ignored."
1845
        ;;
1846
    esac
1847
fi
1848

    
1849
check_cc <<EOF || die "Symbol mangling check failed."
1850
int ff_extern;
1851
EOF
1852
sym=$($nm -P -g $TMPO | grep ff_extern)
1853
extern_prefix=${sym%%ff_extern*}
1854

    
1855
check_cc <<EOF && enable inline_asm
1856
void foo(void) { __asm__ volatile ("" ::); }
1857
EOF
1858

    
1859
if enabled x86; then
1860
    # check whether EBP is available on x86
1861
    # As 'i' is stored on the stack, this program will crash
1862
    # if the base pointer is used to access it because the
1863
    # base pointer is cleared in the inline assembly code.
1864
    check_exec_crash <<EOF && enable ebp_available
1865
    volatile int i=0;
1866
    __asm__ volatile (
1867
        "xorl %%ebp, %%ebp"
1868
    ::: "%ebp");
1869
    return i;
1870
EOF
1871

    
1872
    # check wether EBX is available on x86
1873
    check_asm ebx_available '"":::"%ebx"'
1874

    
1875
    # check whether more than 10 operands are supported
1876
    check_cc <<EOF && enable ten_operands
1877
int main(void) {
1878
    int x=0;
1879
    __asm__ volatile(
1880
        ""
1881
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
1882
    );
1883
    return 0;
1884
}
1885
EOF
1886

    
1887
    # check whether binutils is new enough to compile SSSE3/MMX2
1888
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1889
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
1890

    
1891
    check_asm bswap '"bswap %%eax" ::: "%eax"'
1892

    
1893
    YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
1894
    enabled     x86_64        && append YASMFLAGS "-m amd64"
1895
    enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1896
    case "$objformat" in
1897
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1898
        macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
1899
        *)                    append YASMFLAGS "-DPREFIX"  ;;
1900
    esac
1901
    disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
1902
fi
1903

    
1904
# check for assembler specific support
1905

    
1906
enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
1907
enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
1908

    
1909
# check for SIMD availability
1910

    
1911
# AltiVec flags: The FSF version of GCC differs from the Apple version
1912
if enabled altivec; then
1913
    check_cflags -maltivec -mabi=altivec &&
1914
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1915
        check_cflags -faltivec
1916

    
1917
    # check if our compiler supports Motorola AltiVec C API
1918
    check_cc <<EOF || disable altivec
1919
$inc_altivec_h
1920
int main(void) {
1921
    vector signed int v1, v2, v3;
1922
    v1 = vec_add(v2,v3);
1923
    return 0;
1924
}
1925
EOF
1926

    
1927
    # check if our compiler supports braces for vector declarations
1928
    check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1929
$inc_altivec_h
1930
int main (void) { (vector int) {1}; return 0; }
1931
EOF
1932
fi
1933

    
1934
# We have to check if pld is a nop and disable it.
1935
enabled arm     && check_asm pld     '"pld [r0]"'
1936
enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1937
enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
1938
enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
1939
enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
1940
enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
1941
enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
1942
enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
1943
enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1944

    
1945
enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
1946

    
1947
# ---
1948
# big/little-endian test
1949
check_cc <<EOF || die "endian test failed"
1950
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1951
EOF
1952
od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1953

    
1954
# ---
1955
# check availability of some header files
1956

    
1957
if check_func dlopen; then
1958
    ldl=
1959
elif check_func dlopen -ldl; then
1960
    ldl=-ldl
1961
fi
1962

    
1963
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
1964
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
1965

    
1966
check_func  fork
1967
check_func  gethrtime
1968
check_func  getrusage
1969
check_func  inet_aton $network_extralibs
1970
check_func  memalign
1971
check_func  mkstemp
1972
check_func  posix_memalign
1973
check_func_headers io.h setmode
1974
check_func_headers lzo/lzo1x.h lzo1x_999_compress
1975
check_func_headers windows.h GetProcessTimes
1976
check_func_headers windows.h VirtualAlloc
1977

    
1978
check_header conio.h
1979
check_header dlfcn.h
1980
check_header malloc.h
1981
check_header poll.h
1982
check_header sys/mman.h
1983
check_header sys/resource.h
1984
check_header sys/select.h
1985
check_header termios.h
1986
check_header vdpau/vdpau.h
1987
check_header vdpau/vdpau_x11.h
1988
check_header X11/extensions/XvMClib.h
1989

    
1990
if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
1991
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
1992
fi
1993

    
1994
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
1995
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1996

    
1997
# check for some common methods of building with pthread support
1998
# do this before the optional library checks as some of them require pthreads
1999
if enabled pthreads; then
2000
    if check_func pthread_create; then
2001
        :
2002
    elif check_func pthread_create -pthread; then
2003
        add_cflags -pthread
2004
        add_extralibs -pthread
2005
    elif check_func pthread_create -pthreads; then
2006
        add_cflags -pthreads
2007
        add_extralibs -pthreads
2008
    elif check_func pthread_create -lpthreadGC2; then
2009
        add_extralibs -lpthreadGC2
2010
    elif ! check_lib pthread.h pthread_create -lpthread; then
2011
        die "ERROR: can't find pthreads library"
2012
    fi
2013
fi
2014

    
2015
for thread in $THREADS_LIST; do
2016
    if enabled $thread; then
2017
        test -n "$thread_type" &&
2018
            die "ERROR: Only one thread type must be selected." ||
2019
            thread_type="$thread"
2020
    fi
2021
done
2022

    
2023
check_lib math.h sin -lm
2024
check_lib va/va.h vaInitialize -lva
2025

    
2026
# test for C99 functions in math.h
2027
for func in llrint lrint lrintf round roundf truncf; do
2028
    check_exec <<EOF && enable $func || disable $func
2029
#include <math.h>
2030
int main(void) { return ($func(3.999f) > 0)?0:1; }
2031
EOF
2032
done
2033

    
2034
# these are off by default, so fail if requested and not available
2035
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2036
enabled libamr_nb  && require  libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
2037
enabled libamr_wb  && require  libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
2038
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2039
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2040
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
2041
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2042
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2043
enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
2044
enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2045
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2046
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2047
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2048
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2049
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2050
enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
2051
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2052
enabled libx264    && require  libx264 x264.h x264_encoder_open -lx264 -lm &&
2053
                      { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2054
                        die "ERROR: libx264 version must be >= 0.65."; }
2055
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2056
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2057

    
2058
# libdc1394 check
2059
if enabled libdc1394; then
2060
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2061
        enable libdc1394_2; } ||
2062
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2063
        enable libdc1394_1; } ||
2064
    die "ERROR: No version of libdc1394 found "
2065
fi
2066

    
2067

    
2068
_restrict=
2069
for restrict_keyword in restrict __restrict__ __restrict; do
2070
    check_cc <<EOF && _restrict=$restrict_keyword && break
2071
void foo(char * $restrict_keyword p);
2072
EOF
2073
done
2074

    
2075
##########################################
2076
# SDL check
2077

    
2078
disable sdl_too_old
2079
disable sdl
2080
SDL_CONFIG="${cross_prefix}sdl-config"
2081
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2082
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2083
    temp_cflags $sdl_cflags
2084
    temp_extralibs $("${SDL_CONFIG}" --libs)
2085
    if check_lib2 SDL.h SDL_Init; then
2086
        _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2087
        if test "$_sdlversion" -lt 121 ; then
2088
            enable sdl_too_old
2089
        else
2090
            enable sdl
2091
            check_cc $sdl_cflags <<EOF && enable sdl_video_size
2092
#include <SDL.h>
2093
int main(int argc, char **argv){
2094
    const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2095
    int w = vi->current_w;
2096
    return 0;
2097
}
2098
EOF
2099
        fi
2100
    fi
2101
    restore_flags
2102
fi
2103

    
2104
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2105

    
2106
##########################################
2107
# Network check
2108

    
2109
if enabled network; then
2110
    check_type "sys/types.h sys/socket.h" socklen_t
2111
    # Prefer arpa/inet.h over winsock2
2112
    if check_header arpa/inet.h ; then
2113
        check_func closesocket
2114
    elif check_header winsock2.h ; then
2115
        network_extralibs="-lws2_32"
2116
        check_type ws2tcpip.h socklen_t
2117
        check_func_headers winsock2.h closesocket
2118
    fi
2119
fi
2120

    
2121
##########################################
2122
# IPv6 check
2123

    
2124
enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
2125
#include <sys/types.h>
2126
#include <sys/socket.h>
2127
#include <netinet/in.h>
2128
#include <netdb.h>
2129
int main(void) {
2130
    struct sockaddr_storage saddr;
2131
    struct ipv6_mreq mreq6;
2132
    getaddrinfo(0,0,0,0);
2133
    getnameinfo(0,0,0,0,0,0,0);
2134
    IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2135
}
2136
EOF
2137

    
2138
check_header linux/videodev.h
2139
check_header linux/videodev2.h
2140
check_header sys/videoio.h
2141

    
2142
check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2143

    
2144
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2145
{ check_header dev/bktr/ioctl_meteor.h &&
2146
  check_header dev/bktr/ioctl_bt848.h; } ||
2147
{ check_header machine/ioctl_meteor.h &&
2148
  check_header machine/ioctl_bt848.h; } ||
2149
{ check_header dev/video/meteor/ioctl_meteor.h &&
2150
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2151
check_header dev/ic/bt8xx.h
2152

    
2153
check_header sys/soundcard.h
2154
check_header soundcard.h
2155

    
2156
check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2157

    
2158
check_lib2 jack/jack.h jack_client_open -ljack
2159

    
2160
# deal with the X11 frame grabber
2161
enabled x11grab                         &&
2162
check_header X11/Xlib.h                 &&
2163
check_header X11/extensions/XShm.h      &&
2164
check_func XOpenDisplay -lX11           &&
2165
check_func XShmCreateImage -lX11 -lXext
2166

    
2167
enabled debug && add_cflags -g"$debuglevel"
2168

    
2169
# add some useful compiler flags if supported
2170
check_cflags -Wdeclaration-after-statement
2171
check_cflags -Wall
2172
check_cflags -Wno-switch
2173
check_cflags -Wdisabled-optimization
2174
check_cflags -Wpointer-arith
2175
check_cflags -Wredundant-decls
2176
check_cflags -Wno-pointer-sign
2177
check_cflags -Wcast-qual
2178
check_cflags -Wwrite-strings
2179
check_cflags -Wtype-limits
2180
check_cflags -Wundef
2181
enabled extra_warnings && check_cflags -Winline
2182

    
2183
# add some linker flags
2184
check_ldflags -Wl,--warn-common
2185
check_ldflags -Wl,--as-needed
2186
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'
2187
check_ldflags -Wl,-Bsymbolic
2188

    
2189
if enabled small; then
2190
    check_cflags -Os            # not all compilers support -Os
2191
    optimizations="small"
2192
elif enabled optimizations; then
2193
    if enabled xlc; then
2194
        add_cflags  -O5
2195
        add_ldflags -O5
2196
    elif enabled ccc; then
2197
        add_cflags -fast
2198
    else
2199
        add_cflags -O3
2200
    fi
2201
fi
2202
check_cflags -fno-math-errno
2203
check_cflags -fno-signed-zeros
2204

    
2205
# add some flags for Intel C Compiler
2206
if enabled icc; then
2207
    # Just warnings, no remarks
2208
    check_cflags -w1
2209
    # -wd: Disable following warnings
2210
    # 144, 167, 556: -Wno-pointer-sign
2211
    # 10006: ignoring unknown option -fno-signed-zeros
2212
    # 10156: ignoring option '-W'; no argument required
2213
    check_cflags -wd144,167,556,10006,10156
2214
    # 11030: Warning unknown option --as-needed
2215
    # 10156: ignoring option '-export'; no argument required
2216
    check_ldflags -wd10156,11030
2217
    # Allow to compile with optimizations
2218
    check_ldflags -march=$cpu
2219
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2220
    enable ebp_available
2221
elif enabled ccc; then
2222
    # disable some annoying warnings
2223
    add_cflags -msg_disable cvtu32to64
2224
    add_cflags -msg_disable embedcomment
2225
    add_cflags -msg_disable needconstext
2226
    add_cflags -msg_disable nomainieee
2227
    add_cflags -msg_disable ptrmismatch1
2228
    add_cflags -msg_disable unreachcode
2229
fi
2230

    
2231
# PIC flags for shared library objects where they are needed
2232
if enabled shared; then
2233
    # LIBOBJFLAGS may have already been set in the OS configuration
2234
    if test -z "$LIBOBJFLAGS" ; then
2235
        case "${subarch-$arch}" in
2236
            x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2237
        esac
2238
    fi
2239
fi
2240

    
2241
if enabled gprof; then
2242
    add_cflags  -p
2243
    add_ldflags -p
2244
fi
2245

    
2246
# Find out if the .align argument is a power of two or not.
2247
check_asm asmalign_pot '".align 3"'
2248

    
2249
enabled_any $DECODER_LIST      && enable decoders
2250
enabled_any $ENCODER_LIST      && enable encoders
2251
enabled_any $HWACCEL_LIST      && enable hwaccels
2252
enabled_any $BSF_LIST          && enable bsfs
2253
enabled_any $DEMUXER_LIST      && enable demuxers
2254
enabled_any $MUXER_LIST        && enable muxers
2255
enabled_any $FILTER_LIST       && enable filters
2256
enabled_any $INDEV_LIST        && enable demuxers
2257
enabled_any $OUTDEV_LIST       && enable muxers
2258
enabled_any $PROTOCOL_LIST     && enable protocols
2259

    
2260
enabled_any $THREADS_LIST      && enable threads
2261

    
2262
check_deps $CONFIG_LIST       \
2263
           $CONFIG_EXTRA      \
2264
           $HAVE_LIST         \
2265
           $DECODER_LIST      \
2266
           $ENCODER_LIST      \
2267
           $HWACCEL_LIST      \
2268
           $PARSER_LIST       \
2269
           $BSF_LIST          \
2270
           $DEMUXER_LIST      \
2271
           $MUXER_LIST        \
2272
           $FILTER_LIST       \
2273
           $INDEV_LIST        \
2274
           $OUTDEV_LIST       \
2275
           $PROTOCOL_LIST     \
2276

    
2277
echo "install prefix            $prefix"
2278
echo "source path               $source_path"
2279
echo "C compiler                $cc"
2280
echo ".align is power-of-two    $asmalign_pot"
2281
echo "ARCH                      $arch ($cpu)"
2282
if test "$build_suffix" != ""; then
2283
    echo "build suffix              $build_suffix"
2284
fi
2285
if test "$extra_version" != ""; then
2286
    echo "version string suffix     $extra_version"
2287
fi
2288
echo "big-endian                ${bigendian-no}"
2289
echo "runtime cpu detection     ${runtime_cpudetect-no}"
2290
if enabled x86; then
2291
    echo "yasm                      ${yasm-no}"
2292
    echo "MMX enabled               ${mmx-no}"
2293
    echo "MMX2 enabled              ${mmx2-no}"
2294
    echo "3DNow! enabled            ${amd3dnow-no}"
2295
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
2296
    echo "SSE enabled               ${sse-no}"
2297
    echo "SSSE3 enabled             ${ssse3-no}"
2298
    echo "CMOV enabled              ${cmov-no}"
2299
    echo "CMOV is fast              ${fast_cmov-no}"
2300
    echo "EBX available             ${ebx_available-no}"
2301
    echo "EBP available             ${ebp_available-no}"
2302
    echo "10 operands supported     ${ten_operands-no}"
2303
fi
2304
if enabled arm; then
2305
    echo "ARMv5TE enabled           ${armv5te-no}"
2306
    echo "ARMv6 enabled             ${armv6-no}"
2307
    echo "ARMv6T2 enabled           ${armv6t2-no}"
2308
    echo "ARM VFP enabled           ${armvfp-no}"
2309
    echo "IWMMXT enabled            ${iwmmxt-no}"
2310
    echo "NEON enabled              ${neon-no}"
2311
fi
2312
if enabled mips; then
2313
    echo "MMI enabled               ${mmi-no}"
2314
fi
2315
if enabled ppc; then
2316
    echo "AltiVec enabled           ${altivec-no}"
2317
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
2318
    echo "dcbzl available           ${dcbzl-no}"
2319
    echo "performance report        ${powerpc_perf-no}"
2320
fi
2321
if enabled sparc; then
2322
    echo "VIS enabled               ${vis-no}"
2323
fi
2324
echo "gprof enabled             ${gprof-no}"
2325
echo "debug symbols             ${debug-no}"
2326
echo "strip symbols             ${stripping-no}"
2327
echo "optimizations             ${optimizations-no}"
2328
echo "static                    ${static-no}"
2329
echo "shared                    ${shared-no}"
2330
echo "postprocessing support    ${postproc-no}"
2331
echo "new filter support        ${avfilter-no}"
2332
echo "filters using lavformat   ${avfilter_lavf-no}"
2333
echo "network support           ${network-no}"
2334
if enabled network; then
2335
    echo "IPv6 support              ${ipv6-no}"
2336
fi
2337
echo "threading support         ${thread_type-no}"
2338
echo "SDL support               ${sdl-no}"
2339
if enabled sdl_too_old; then
2340
    echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2341
fi
2342
echo "Sun medialib support      ${mlib-no}"
2343
echo "AVISynth enabled          ${avisynth-no}"
2344
echo "libamr-nb support         ${libamr_nb-no}"
2345
echo "libamr-wb support         ${libamr_wb-no}"
2346
echo "libdc1394 support         ${libdc1394-no}"
2347
echo "libdirac enabled          ${libdirac-no}"
2348
echo "libfaac enabled           ${libfaac-no}"
2349
echo "libfaad enabled           ${libfaad-no}"
2350
echo "libfaad dlopened          ${libfaadbin-no}"
2351
echo "libgsm enabled            ${libgsm-no}"
2352
echo "libmp3lame enabled        ${libmp3lame-no}"
2353
echo "libnut enabled            ${libnut-no}"
2354
echo "libopenjpeg enabled       ${libopenjpeg-no}"
2355
echo "libschroedinger enabled   ${libschroedinger-no}"
2356
echo "libspeex enabled          ${libspeex-no}"
2357
echo "libtheora enabled         ${libtheora-no}"
2358
echo "libvorbis enabled         ${libvorbis-no}"
2359
echo "libx264 enabled           ${libx264-no}"
2360
echo "libxvid enabled           ${libxvid-no}"
2361
echo "zlib enabled              ${zlib-no}"
2362
echo "bzlib enabled             ${bzlib-no}"
2363
echo
2364

    
2365
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2366
    echo "Enabled ${type}s:"
2367
    eval list=\$$(toupper $type)_LIST
2368
    for part in $list; do
2369
        enabled $part && echo ${part%_*}
2370
    done | sort | pr -3 -t
2371
    echo
2372
done
2373

    
2374
license="LGPL"
2375
if enabled nonfree; then
2376
    license="unredistributable"
2377
elif enabled gpl; then
2378
    license="GPL"
2379
fi
2380

    
2381
echo "License: $license"
2382

    
2383
echo "Creating config.mak and config.h..."
2384

    
2385
echo "# Automatically generated by configure - do not modify!" > config.mak
2386
echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2387
echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2388
echo "#define FFMPEG_CONFIG_H" >> $TMPH
2389
echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2390
echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2391

    
2392
echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2393
echo "prefix=$prefix" >> config.mak
2394
echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2395
echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2396
echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2397
echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2398
echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2399
echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2400
echo "SRC_PATH=\"$source_path\"" >> config.mak
2401
echo "SRC_PATH_BARE=$source_path" >> config.mak
2402
echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2403
echo "CC=$cc" >> config.mak
2404
echo "AS=$as" >> config.mak
2405
echo "YASM=$yasmexe" >> config.mak
2406
echo "AR=$ar" >> config.mak
2407
echo "RANLIB=$ranlib" >> config.mak
2408
echo "LN_S=$ln_s" >> config.mak
2409
enabled stripping &&
2410
    echo "STRIP=$strip" >> config.mak ||
2411
    echo "STRIP=echo ignoring strip" >> config.mak
2412

    
2413
echo "OPTFLAGS=$CFLAGS" >> config.mak
2414
echo "LDFLAGS=$LDFLAGS" >> config.mak
2415
echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2416
echo "SHFLAGS=$SHFLAGS" >> config.mak
2417
echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2418
echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2419
echo "BUILD_STATIC=$static" >> config.mak
2420
echo "BUILDSUF=$build_suffix" >> config.mak
2421
echo "FULLNAME=$FULLNAME" >> config.mak
2422
echo "LIBPREF=$LIBPREF" >> config.mak
2423
echo "LIBSUF=$LIBSUF" >> config.mak
2424
echo "LIBNAME=$LIBNAME" >> config.mak
2425
echo "SLIBPREF=$SLIBPREF" >> config.mak
2426
echo "SLIBSUF=$SLIBSUF" >> config.mak
2427
echo "EXESUF=$EXESUF" >> config.mak
2428
echo "EXTRA_VERSION=$extra_version" >> config.mak
2429
echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2430
echo "HOSTCC=$host_cc" >> config.mak
2431
echo "HOSTCFLAGS=$host_cflags" >> config.mak
2432
echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2433
echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2434
echo "HOSTLIBS=$host_libs" >> config.mak
2435
echo "TARGET_EXEC=$target_exec" >> config.mak
2436
echo "TARGET_PATH=$target_path" >> config.mak
2437

    
2438
if enabled bigendian; then
2439
    echo "WORDS_BIGENDIAN=yes" >> config.mak
2440
    echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2441
fi
2442

    
2443
if enabled sdl; then
2444
    echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2445
    echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
2446
fi
2447
if enabled texi2html; then
2448
    echo "BUILD_DOC=yes" >> config.mak
2449
fi
2450

    
2451
get_version(){
2452
    name=$1
2453
    file=$source_path/$2
2454
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2455
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2456
    lcname=$(tolower $name)
2457
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2458
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2459
}
2460

    
2461
get_version LIBSWSCALE  libswscale/swscale.h
2462
get_version LIBPOSTPROC libpostproc/postprocess.h
2463
get_version LIBAVCODEC  libavcodec/avcodec.h
2464
get_version LIBAVDEVICE libavdevice/avdevice.h
2465
get_version LIBAVFORMAT libavformat/avformat.h
2466
get_version LIBAVUTIL   libavutil/avutil.h
2467
get_version LIBAVFILTER libavfilter/avfilter.h
2468

    
2469
if enabled shared; then
2470
    echo "BUILD_SHARED=yes" >> config.mak
2471
    echo "PIC=-fPIC -DPIC" >> config.mak
2472
    echo "LIBTARGET=${LIBTARGET}" >> config.mak
2473
    echo "SLIBNAME=${SLIBNAME}" >> config.mak
2474
    echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2475
    echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2476
    echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2477
    echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2478
    echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2479
    echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2480
fi
2481
echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2482
echo "EXTRALIBS=$extralibs" >> config.mak
2483

    
2484
echo "ARCH=$arch" >> config.mak
2485

    
2486
print_config ARCH_   $TMPH config.mak $ARCH_LIST
2487
print_config HAVE_   $TMPH config.mak $HAVE_LIST
2488
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2489
                                      $CONFIG_EXTRA      \
2490
                                      $DECODER_LIST      \
2491
                                      $ENCODER_LIST      \
2492
                                      $HWACCEL_LIST      \
2493
                                      $PARSER_LIST       \
2494
                                      $BSF_LIST          \
2495
                                      $DEMUXER_LIST      \
2496
                                      $MUXER_LIST        \
2497
                                      $FILTER_LIST       \
2498
                                      $PROTOCOL_LIST     \
2499
                                      $INDEV_LIST        \
2500
                                      $OUTDEV_LIST       \
2501

    
2502
echo "#define restrict $_restrict" >> $TMPH
2503

    
2504
if enabled small; then
2505
    echo "#define av_always_inline"  >> $TMPH
2506
fi
2507

    
2508

    
2509
# Apparently it's not possible to portably echo a backslash.
2510
enabled asmalign_pot &&
2511
    printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2512
    printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2513

    
2514
echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2515

    
2516
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2517

    
2518
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2519
cmp -s $TMPH config.h &&
2520
    echo "config.h is unchanged" ||
2521
    mv -f $TMPH config.h
2522

    
2523
# build tree in object directory if source path is different from current one
2524
if enabled source_path_used; then
2525
    DIRS="\
2526
        doc               \
2527
        libavcodec        \
2528
        libavcodec/alpha  \
2529
        libavcodec/arm    \
2530
        libavcodec/bfin   \
2531
        libavcodec/mlib   \
2532
        libavcodec/ppc    \
2533
        libavcodec/sh4    \
2534
        libavcodec/sparc  \
2535
        libavcodec/x86    \
2536
        libavdevice       \
2537
        libavfilter       \
2538
        libavformat       \
2539
        libavutil         \
2540
        libpostproc       \
2541
        libswscale        \
2542
        libswscale/bfin   \
2543
        libswscale/mlib   \
2544
        libswscale/ppc    \
2545
        libswscale/sparc  \
2546
        libswscale/x86    \
2547
        tests             \
2548
        tools             \
2549
        "
2550
    FILES="\
2551
        Makefile             \
2552
        common.mak           \
2553
        subdir.mak           \
2554
        doc/texi2pod.pl      \
2555
        libavcodec/Makefile  \
2556
        libavdevice/Makefile \
2557
        libavfilter/Makefile \
2558
        libavformat/Makefile \
2559
        libavutil/Makefile   \
2560
        libpostproc/Makefile \
2561
        libswscale/Makefile  \
2562
        "
2563
    for dir in $DIRS ; do
2564
        mkdir -p $dir
2565
    done
2566
    for f in $FILES ; do
2567
        $ln_s "$source_path/$f" $f
2568
    done
2569
fi
2570

    
2571

    
2572
# build pkg-config files
2573

    
2574
pkgconfig_generate(){
2575
name=$1
2576
shortname=${name#lib}${build_suffix}
2577
comment=$2
2578
version=$3
2579
libs=$4
2580
requires=$5
2581
cat <<EOF > $name/$name.pc
2582
prefix=$prefix
2583
exec_prefix=\${prefix}
2584
libdir=$libdir
2585
includedir=$incdir
2586

    
2587
Name: $name
2588
Description: $comment
2589
Version: $version
2590
Requires: $(disabled shared && echo $requires)
2591
Requires.private: $(enabled shared && echo $requires)
2592
Conflicts:
2593
Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2594
Libs.private: $(enabled shared && echo $libs)
2595
Cflags: -I\${includedir}
2596
EOF
2597
cat <<EOF > $name/$name-uninstalled.pc
2598
prefix=
2599
exec_prefix=
2600
libdir=\${pcfiledir}
2601
includedir=${source_path}
2602

    
2603
Name: $name
2604
Description: $comment
2605
Version: $version
2606
Requires: $requires
2607
Conflicts:
2608
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2609
Cflags: -I\${includedir}
2610
EOF
2611
}
2612

    
2613
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2614
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2615
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2616
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2617
enabled avfilter &&
2618
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2619
enabled postproc &&
2620
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2621
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"