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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"
201
  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"
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  echo "  --disable-vis            disable VIS optimizations"
217
  echo "  --disable-yasm           disable use of yasm assembler"
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  echo
219
  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 [$debuglevel]"
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  echo "  --enable-gprof           enable profiling with gprof [$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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}
234

    
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(){
242
    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
        check_cflags -fno-common
1638
        if ! enabled x86_64; then
1639
            check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1640
                die "ERROR: MinGW runtime version must be >= 3.15."
1641
            enabled_any avisynth vfwcap_demuxer &&
1642
                { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1643
                  die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1644
            fi
1645
        ;;
1646
    cygwin*)
1647
        target_os=cygwin
1648
        shlibdir_default="$bindir_default"
1649
        SLIBPREF="cyg"
1650
        SLIBSUF=".dll"
1651
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1652
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1653
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
1654
        objformat="win32"
1655
        enable dos_paths
1656
        check_cflags -fno-common
1657
        ;;
1658
    *-dos|freedos|opendos)
1659
        disable ffplay ffserver
1660
        disable $INDEV_LIST $OUTDEV_LIST
1661
        network_extralibs="-lsocket"
1662
        objformat="coff"
1663
        enable dos_paths
1664
        check_cflags -fno-common
1665
        ;;
1666
    linux)
1667
        enable dv1394
1668
        ;;
1669
    irix*)
1670
        target_os=irix
1671
        ranlib="echo ignoring ranlib"
1672
        ;;
1673
    os/2*)
1674
        strip="lxlite"
1675
        ln_s="cp -f"
1676
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1677
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1678
        FFSERVERLDFLAGS=""
1679
        LIBSUF="_s.a"
1680
        SLIBPREF=""
1681
        SLIBSUF=".dll"
1682
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1683
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1684
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1685
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1686
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1687
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1688
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1689
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1690
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1691
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1692
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1693
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1694
        enable dos_paths
1695
        ;;
1696

    
1697
    *)
1698
        die "Unknown OS '$target_os'."
1699
        ;;
1700
esac
1701

    
1702
set_default $PATHS_LIST
1703

    
1704
add_extralibs $osextralibs
1705

    
1706
# Combine FFLDFLAGS and the LDFLAGS environment variable.
1707
LDFLAGS="$FFLDFLAGS $LDFLAGS"
1708

    
1709
# we need to build at least one lib type
1710
if ! enabled_any static shared; then
1711
    cat <<EOF
1712
At least one library type must be built.
1713
Specify --enable-static to build the static libraries or --enable-shared to
1714
build the shared libraries as well. To only build the shared libraries specify
1715
--disable-static in addition to --enable-shared.
1716
EOF
1717
    exit 1;
1718
fi
1719

    
1720
disabled static && LIBNAME=""
1721

    
1722
if enabled_any libfaad libfaadbin ; then
1723
    if check_header faad.h; then
1724
        check_cc <<EOF
1725
#include <faad.h>
1726
#ifndef FAAD2_VERSION
1727
ok faad1
1728
#endif
1729
int main(void) { return 0; }
1730
EOF
1731
        test $? = 0 && enable libfaad2
1732
    else
1733
        die "FAAD test failed."
1734
    fi
1735
fi
1736

    
1737

    
1738
if ! enabled gpl; then
1739
    die_gpl_disabled(){
1740
        name=$1
1741
        shift
1742
        enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1743
    }
1744
    die_gpl_disabled "The Postprocessing code" postproc
1745
    die_gpl_disabled "libx264"                 libx264
1746
    die_gpl_disabled "libxvidcore"             libxvid
1747
    die_gpl_disabled "FAAD2"                   libfaad2
1748
    die_gpl_disabled "The X11 grabber"         x11grab
1749
fi
1750

    
1751
if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1752
    die "libamr is nonfree and --enable-nonfree is not specified."
1753
fi
1754

    
1755
check_deps $ARCH_EXT_LIST
1756

    
1757
test -z "$need_memalign" && need_memalign="$mmx"
1758

    
1759
#Darwin CC versions
1760
if test $target_os = darwin; then
1761
    if enabled xlc; then
1762
        add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1763
    else
1764
        add_cflags -pipe
1765
        check_cflags -force_cpusubtype_ALL
1766
        check_cflags -Wno-sign-compare
1767
        enabled shared || check_cflags -mdynamic-no-pic
1768
    fi
1769
fi
1770

    
1771
disabled optimizations || check_cflags -fomit-frame-pointer
1772

    
1773
# Add processor-specific flags
1774
if test $cpu != "generic"; then
1775
    warn_altivec(){
1776
        $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1777
    }
1778
    case $cpu in
1779
        601|ppc601|PowerPC601)
1780
            add_cflags -mcpu=601
1781
            warn_altivec enabled PPC601
1782
        ;;
1783
        603*|ppc603*|PowerPC603*)
1784
            add_cflags -mcpu=603
1785
            warn_altivec enabled PPC603
1786
        ;;
1787
        604*|ppc604*|PowerPC604*)
1788
            add_cflags -mcpu=604
1789
            warn_altivec enabled PPC604
1790
        ;;
1791
        G3|g3|75*|ppc75*|PowerPC75*)
1792
            add_cflags -mcpu=750 -mpowerpc-gfxopt
1793
            warn_altivec enabled PPC75x
1794
        ;;
1795
        G4|g4|745*|ppc745*|PowerPC745*)
1796
            add_cflags -mcpu=7450 -mpowerpc-gfxopt
1797
            warn_altivec disabled PPC745x
1798
        ;;
1799
        74*|ppc74*|PowerPC74*)
1800
            add_cflags -mcpu=7400 -mpowerpc-gfxopt
1801
            warn_altivec disabled PPC74xx
1802
        ;;
1803
        G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1804
            add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
1805
            warn_altivec disabled PPC970
1806
            enable ppc64
1807
        ;;
1808
        Cell|CELL|cell)
1809
            add_cflags -mcpu=cell
1810
            warn_altivec disabled Cell
1811
            enable ppc64
1812
        ;;
1813
        # targets that do NOT support conditional mov (cmov)
1814
        i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1815
            add_cflags -march=$cpu
1816
            disable cmov
1817
        ;;
1818
        # targets that do support conditional mov (cmov)
1819
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1820
            add_cflags -march=$cpu
1821
            enable cmov
1822
            enable fast_cmov
1823
        ;;
1824
        # targets that do support conditional mov but on which it's slow
1825
        pentium4|pentium4m|prescott|nocona)
1826
            add_cflags -march=$cpu
1827
            enable cmov
1828
            disable fast_cmov
1829
        ;;
1830
        sparc64)
1831
            add_cflags -mcpu=v9
1832
        ;;
1833
        arm11*|cortex*)
1834
            add_cflags -mcpu=$cpu
1835
            enable fast_unaligned
1836
        ;;
1837
        armv*)
1838
            add_cflags -march=$cpu
1839
        ;;
1840
        arm*)
1841
            add_cflags -mcpu=$cpu
1842
        ;;
1843
        ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1844
            enabled ccc && add_cflags -arch $cpu || add_cflags -mcpu=$cpu
1845
        ;;
1846
        *)
1847
            echo "WARNING: Unknown CPU \"$cpu\", ignored."
1848
        ;;
1849
    esac
1850
fi
1851

    
1852
check_cc <<EOF || die "Symbol mangling check failed."
1853
int ff_extern;
1854
EOF
1855
sym=$($nm -P -g $TMPO | grep ff_extern)
1856
extern_prefix=${sym%%ff_extern*}
1857

    
1858
check_cc <<EOF && enable inline_asm
1859
void foo(void) { __asm__ volatile ("" ::); }
1860
EOF
1861

    
1862
if enabled x86; then
1863
    # check whether EBP is available on x86
1864
    # As 'i' is stored on the stack, this program will crash
1865
    # if the base pointer is used to access it because the
1866
    # base pointer is cleared in the inline assembly code.
1867
    check_exec_crash <<EOF && enable ebp_available
1868
    volatile int i=0;
1869
    __asm__ volatile (
1870
        "xorl %%ebp, %%ebp"
1871
    ::: "%ebp");
1872
    return i;
1873
EOF
1874

    
1875
    # check wether EBX is available on x86
1876
    check_asm ebx_available '"":::"%ebx"'
1877

    
1878
    # check whether more than 10 operands are supported
1879
    check_cc <<EOF && enable ten_operands
1880
int main(void) {
1881
    int x=0;
1882
    __asm__ volatile(
1883
        ""
1884
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
1885
    );
1886
    return 0;
1887
}
1888
EOF
1889

    
1890
    # check whether binutils is new enough to compile SSSE3/MMX2
1891
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1892
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
1893

    
1894
    check_asm bswap '"bswap %%eax" ::: "%eax"'
1895

    
1896
    YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
1897
    enabled     x86_64        && append YASMFLAGS "-m amd64"
1898
    enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1899
    case "$objformat" in
1900
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1901
        macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
1902
        *)                    append YASMFLAGS "-DPREFIX"  ;;
1903
    esac
1904
    disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
1905
fi
1906

    
1907
# check for assembler specific support
1908

    
1909
enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
1910
enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
1911

    
1912
# check for SIMD availability
1913

    
1914
# AltiVec flags: The FSF version of GCC differs from the Apple version
1915
if enabled altivec; then
1916
    check_cflags -maltivec -mabi=altivec &&
1917
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1918
        check_cflags -faltivec
1919

    
1920
    # check if our compiler supports Motorola AltiVec C API
1921
    check_cc <<EOF || disable altivec
1922
$inc_altivec_h
1923
int main(void) {
1924
    vector signed int v1, v2, v3;
1925
    v1 = vec_add(v2,v3);
1926
    return 0;
1927
}
1928
EOF
1929

    
1930
    # check if our compiler supports braces for vector declarations
1931
    check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1932
$inc_altivec_h
1933
int main (void) { (vector int) {1}; return 0; }
1934
EOF
1935
fi
1936

    
1937
# We have to check if pld is a nop and disable it.
1938
enabled arm     && check_asm pld     '"pld [r0]"'
1939
enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1940
enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
1941
enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
1942
enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
1943
enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
1944
enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
1945
enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
1946
enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1947

    
1948
enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
1949

    
1950
# ---
1951
# big/little-endian test
1952
check_cc <<EOF || die "endian test failed"
1953
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1954
EOF
1955
od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1956

    
1957
# ---
1958
# check availability of some header files
1959

    
1960
if check_func dlopen; then
1961
    ldl=
1962
elif check_func dlopen -ldl; then
1963
    ldl=-ldl
1964
fi
1965

    
1966
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
1967
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
1968

    
1969
check_func  fork
1970
check_func  gethrtime
1971
check_func  getrusage
1972
check_func  inet_aton $network_extralibs
1973
check_func  memalign
1974
check_func  mkstemp
1975
check_func  posix_memalign
1976
check_func_headers io.h setmode
1977
check_func_headers lzo/lzo1x.h lzo1x_999_compress
1978
check_func_headers windows.h GetProcessTimes
1979
check_func_headers windows.h VirtualAlloc
1980

    
1981
check_header conio.h
1982
check_header dlfcn.h
1983
check_header malloc.h
1984
check_header poll.h
1985
check_header sys/mman.h
1986
check_header sys/resource.h
1987
check_header sys/select.h
1988
check_header termios.h
1989
check_header vdpau/vdpau.h
1990
check_header vdpau/vdpau_x11.h
1991
check_header X11/extensions/XvMClib.h
1992

    
1993
if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
1994
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
1995
fi
1996

    
1997
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
1998
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1999

    
2000
# check for some common methods of building with pthread support
2001
# do this before the optional library checks as some of them require pthreads
2002
if enabled pthreads; then
2003
    if check_func pthread_create; then
2004
        :
2005
    elif check_func pthread_create -pthread; then
2006
        add_cflags -pthread
2007
        add_extralibs -pthread
2008
    elif check_func pthread_create -pthreads; then
2009
        add_cflags -pthreads
2010
        add_extralibs -pthreads
2011
    elif check_func pthread_create -lpthreadGC2; then
2012
        add_extralibs -lpthreadGC2
2013
    elif ! check_lib pthread.h pthread_create -lpthread; then
2014
        die "ERROR: can't find pthreads library"
2015
    fi
2016
fi
2017

    
2018
for thread in $THREADS_LIST; do
2019
    if enabled $thread; then
2020
        test -n "$thread_type" &&
2021
            die "ERROR: Only one thread type must be selected." ||
2022
            thread_type="$thread"
2023
    fi
2024
done
2025

    
2026
check_lib math.h sin -lm
2027
check_lib va/va.h vaInitialize -lva
2028

    
2029
# test for C99 functions in math.h
2030
for func in llrint lrint lrintf round roundf truncf; do
2031
    check_exec <<EOF && enable $func || disable $func
2032
#include <math.h>
2033
int main(void) { return ($func(3.999f) > 0)?0:1; }
2034
EOF
2035
done
2036

    
2037
# these are off by default, so fail if requested and not available
2038
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2039
enabled libamr_nb  && require  libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
2040
enabled libamr_wb  && require  libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
2041
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2042
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2043
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
2044
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2045
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2046
enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
2047
enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2048
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2049
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2050
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2051
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2052
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2053
enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
2054
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2055
enabled libx264    && require  libx264 x264.h x264_encoder_open -lx264 -lm &&
2056
                      { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2057
                        die "ERROR: libx264 version must be >= 0.65."; }
2058
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2059
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2060

    
2061
# libdc1394 check
2062
if enabled libdc1394; then
2063
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2064
        enable libdc1394_2; } ||
2065
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2066
        enable libdc1394_1; } ||
2067
    die "ERROR: No version of libdc1394 found "
2068
fi
2069

    
2070

    
2071
_restrict=
2072
for restrict_keyword in restrict __restrict__ __restrict; do
2073
    check_cc <<EOF && _restrict=$restrict_keyword && break
2074
void foo(char * $restrict_keyword p);
2075
EOF
2076
done
2077

    
2078
##########################################
2079
# SDL check
2080

    
2081
disable sdl_too_old
2082
disable sdl
2083
SDL_CONFIG="${cross_prefix}sdl-config"
2084
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2085
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2086
    temp_cflags $sdl_cflags
2087
    temp_extralibs $("${SDL_CONFIG}" --libs)
2088
    if check_lib2 SDL.h SDL_Init; then
2089
        _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2090
        if test "$_sdlversion" -lt 121 ; then
2091
            enable sdl_too_old
2092
        else
2093
            enable sdl
2094
            check_cc $sdl_cflags <<EOF && enable sdl_video_size
2095
#include <SDL.h>
2096
int main(int argc, char **argv){
2097
    const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2098
    int w = vi->current_w;
2099
    return 0;
2100
}
2101
EOF
2102
        fi
2103
    fi
2104
    restore_flags
2105
fi
2106

    
2107
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2108

    
2109
##########################################
2110
# Network check
2111

    
2112
if enabled network; then
2113
    check_type "sys/types.h sys/socket.h" socklen_t
2114
    # Prefer arpa/inet.h over winsock2
2115
    if check_header arpa/inet.h ; then
2116
        check_func closesocket
2117
    elif check_header winsock2.h ; then
2118
        network_extralibs="-lws2_32"
2119
        check_type ws2tcpip.h socklen_t
2120
        check_func_headers winsock2.h closesocket
2121
    fi
2122
fi
2123

    
2124
##########################################
2125
# IPv6 check
2126

    
2127
enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
2128
#include <sys/types.h>
2129
#include <sys/socket.h>
2130
#include <netinet/in.h>
2131
#include <netdb.h>
2132
int main(void) {
2133
    struct sockaddr_storage saddr;
2134
    struct ipv6_mreq mreq6;
2135
    getaddrinfo(0,0,0,0);
2136
    getnameinfo(0,0,0,0,0,0,0);
2137
    IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2138
}
2139
EOF
2140

    
2141
check_header linux/videodev.h
2142
check_header linux/videodev2.h
2143
check_header sys/videoio.h
2144

    
2145
check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2146

    
2147
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2148
{ check_header dev/bktr/ioctl_meteor.h &&
2149
  check_header dev/bktr/ioctl_bt848.h; } ||
2150
{ check_header machine/ioctl_meteor.h &&
2151
  check_header machine/ioctl_bt848.h; } ||
2152
{ check_header dev/video/meteor/ioctl_meteor.h &&
2153
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2154
check_header dev/ic/bt8xx.h
2155

    
2156
check_header sys/soundcard.h
2157
check_header soundcard.h
2158

    
2159
check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2160

    
2161
check_lib2 jack/jack.h jack_client_open -ljack
2162

    
2163
# deal with the X11 frame grabber
2164
enabled x11grab                         &&
2165
check_header X11/Xlib.h                 &&
2166
check_header X11/extensions/XShm.h      &&
2167
check_func XOpenDisplay -lX11           &&
2168
check_func XShmCreateImage -lX11 -lXext
2169

    
2170
enabled debug && add_cflags -g"$debuglevel"
2171

    
2172
# add some useful compiler flags if supported
2173
check_cflags -Wdeclaration-after-statement
2174
check_cflags -Wall
2175
check_cflags -Wno-switch
2176
check_cflags -Wdisabled-optimization
2177
check_cflags -Wpointer-arith
2178
check_cflags -Wredundant-decls
2179
check_cflags -Wno-pointer-sign
2180
check_cflags -Wcast-qual
2181
check_cflags -Wwrite-strings
2182
check_cflags -Wtype-limits
2183
check_cflags -Wundef
2184
enabled extra_warnings && check_cflags -Winline
2185

    
2186
# add some linker flags
2187
check_ldflags -Wl,--warn-common
2188
check_ldflags -Wl,--as-needed
2189
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'
2190
check_ldflags -Wl,-Bsymbolic
2191

    
2192
if enabled small; then
2193
    check_cflags -Os            # not all compilers support -Os
2194
    optimizations="small"
2195
elif enabled optimizations; then
2196
    if enabled xlc; then
2197
        add_cflags  -O5
2198
        add_ldflags -O5
2199
    elif enabled ccc; then
2200
        add_cflags -fast
2201
    else
2202
        add_cflags -O3
2203
    fi
2204
fi
2205
check_cflags -fno-math-errno
2206
check_cflags -fno-signed-zeros
2207

    
2208
# add some flags for Intel C Compiler
2209
if enabled icc; then
2210
    # Just warnings, no remarks
2211
    check_cflags -w1
2212
    # -wd: Disable following warnings
2213
    # 144, 167, 556: -Wno-pointer-sign
2214
    # 10006: ignoring unknown option -fno-signed-zeros
2215
    # 10156: ignoring option '-W'; no argument required
2216
    check_cflags -wd144,167,556,10006,10156
2217
    # 11030: Warning unknown option --as-needed
2218
    # 10156: ignoring option '-export'; no argument required
2219
    check_ldflags -wd10156,11030
2220
    # Allow to compile with optimizations
2221
    check_ldflags -march=$cpu
2222
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2223
    enable ebp_available
2224
elif enabled ccc; then
2225
    # disable some annoying warnings
2226
    add_cflags -msg_disable cvtu32to64
2227
    add_cflags -msg_disable embedcomment
2228
    add_cflags -msg_disable needconstext
2229
    add_cflags -msg_disable nomainieee
2230
    add_cflags -msg_disable ptrmismatch1
2231
    add_cflags -msg_disable unreachcode
2232
fi
2233

    
2234
# PIC flags for shared library objects where they are needed
2235
if enabled shared; then
2236
    # LIBOBJFLAGS may have already been set in the OS configuration
2237
    if test -z "$LIBOBJFLAGS" ; then
2238
        case "${subarch-$arch}" in
2239
            x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2240
        esac
2241
    fi
2242
fi
2243

    
2244
if enabled gprof; then
2245
    add_cflags  -p
2246
    add_ldflags -p
2247
fi
2248

    
2249
# Find out if the .align argument is a power of two or not.
2250
check_asm asmalign_pot '".align 3"'
2251

    
2252
enabled_any $DECODER_LIST      && enable decoders
2253
enabled_any $ENCODER_LIST      && enable encoders
2254
enabled_any $HWACCEL_LIST      && enable hwaccels
2255
enabled_any $BSF_LIST          && enable bsfs
2256
enabled_any $DEMUXER_LIST      && enable demuxers
2257
enabled_any $MUXER_LIST        && enable muxers
2258
enabled_any $FILTER_LIST       && enable filters
2259
enabled_any $INDEV_LIST        && enable demuxers
2260
enabled_any $OUTDEV_LIST       && enable muxers
2261
enabled_any $PROTOCOL_LIST     && enable protocols
2262

    
2263
enabled_any $THREADS_LIST      && enable threads
2264

    
2265
check_deps $CONFIG_LIST       \
2266
           $CONFIG_EXTRA      \
2267
           $HAVE_LIST         \
2268
           $DECODER_LIST      \
2269
           $ENCODER_LIST      \
2270
           $HWACCEL_LIST      \
2271
           $PARSER_LIST       \
2272
           $BSF_LIST          \
2273
           $DEMUXER_LIST      \
2274
           $MUXER_LIST        \
2275
           $FILTER_LIST       \
2276
           $INDEV_LIST        \
2277
           $OUTDEV_LIST       \
2278
           $PROTOCOL_LIST     \
2279

    
2280
echo "install prefix            $prefix"
2281
echo "source path               $source_path"
2282
echo "C compiler                $cc"
2283
echo ".align is power-of-two    $asmalign_pot"
2284
echo "ARCH                      $arch ($cpu)"
2285
if test "$build_suffix" != ""; then
2286
    echo "build suffix              $build_suffix"
2287
fi
2288
if test "$extra_version" != ""; then
2289
    echo "version string suffix     $extra_version"
2290
fi
2291
echo "big-endian                ${bigendian-no}"
2292
echo "runtime cpu detection     ${runtime_cpudetect-no}"
2293
if enabled x86; then
2294
    echo "yasm                      ${yasm-no}"
2295
    echo "MMX enabled               ${mmx-no}"
2296
    echo "MMX2 enabled              ${mmx2-no}"
2297
    echo "3DNow! enabled            ${amd3dnow-no}"
2298
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
2299
    echo "SSE enabled               ${sse-no}"
2300
    echo "SSSE3 enabled             ${ssse3-no}"
2301
    echo "CMOV enabled              ${cmov-no}"
2302
    echo "CMOV is fast              ${fast_cmov-no}"
2303
    echo "EBX available             ${ebx_available-no}"
2304
    echo "EBP available             ${ebp_available-no}"
2305
    echo "10 operands supported     ${ten_operands-no}"
2306
fi
2307
if enabled arm; then
2308
    echo "ARMv5TE enabled           ${armv5te-no}"
2309
    echo "ARMv6 enabled             ${armv6-no}"
2310
    echo "ARMv6T2 enabled           ${armv6t2-no}"
2311
    echo "ARM VFP enabled           ${armvfp-no}"
2312
    echo "IWMMXT enabled            ${iwmmxt-no}"
2313
    echo "NEON enabled              ${neon-no}"
2314
fi
2315
if enabled mips; then
2316
    echo "MMI enabled               ${mmi-no}"
2317
fi
2318
if enabled ppc; then
2319
    echo "AltiVec enabled           ${altivec-no}"
2320
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
2321
    echo "dcbzl available           ${dcbzl-no}"
2322
    echo "performance report        ${powerpc_perf-no}"
2323
fi
2324
if enabled sparc; then
2325
    echo "VIS enabled               ${vis-no}"
2326
fi
2327
echo "gprof enabled             ${gprof-no}"
2328
echo "debug symbols             ${debug-no}"
2329
echo "strip symbols             ${stripping-no}"
2330
echo "optimizations             ${optimizations-no}"
2331
echo "static                    ${static-no}"
2332
echo "shared                    ${shared-no}"
2333
echo "postprocessing support    ${postproc-no}"
2334
echo "new filter support        ${avfilter-no}"
2335
echo "filters using lavformat   ${avfilter_lavf-no}"
2336
echo "network support           ${network-no}"
2337
if enabled network; then
2338
    echo "IPv6 support              ${ipv6-no}"
2339
fi
2340
echo "threading support         ${thread_type-no}"
2341
echo "SDL support               ${sdl-no}"
2342
if enabled sdl_too_old; then
2343
    echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2344
fi
2345
echo "Sun medialib support      ${mlib-no}"
2346
echo "AVISynth enabled          ${avisynth-no}"
2347
echo "libamr-nb support         ${libamr_nb-no}"
2348
echo "libamr-wb support         ${libamr_wb-no}"
2349
echo "libdc1394 support         ${libdc1394-no}"
2350
echo "libdirac enabled          ${libdirac-no}"
2351
echo "libfaac enabled           ${libfaac-no}"
2352
echo "libfaad enabled           ${libfaad-no}"
2353
echo "libfaad dlopened          ${libfaadbin-no}"
2354
echo "libgsm enabled            ${libgsm-no}"
2355
echo "libmp3lame enabled        ${libmp3lame-no}"
2356
echo "libnut enabled            ${libnut-no}"
2357
echo "libopenjpeg enabled       ${libopenjpeg-no}"
2358
echo "libschroedinger enabled   ${libschroedinger-no}"
2359
echo "libspeex enabled          ${libspeex-no}"
2360
echo "libtheora enabled         ${libtheora-no}"
2361
echo "libvorbis enabled         ${libvorbis-no}"
2362
echo "libx264 enabled           ${libx264-no}"
2363
echo "libxvid enabled           ${libxvid-no}"
2364
echo "zlib enabled              ${zlib-no}"
2365
echo "bzlib enabled             ${bzlib-no}"
2366
echo
2367

    
2368
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2369
    echo "Enabled ${type}s:"
2370
    eval list=\$$(toupper $type)_LIST
2371
    for part in $list; do
2372
        enabled $part && echo ${part%_*}
2373
    done | sort | pr -3 -t
2374
    echo
2375
done
2376

    
2377
license="LGPL"
2378
if enabled nonfree; then
2379
    license="unredistributable"
2380
elif enabled gpl; then
2381
    license="GPL"
2382
fi
2383

    
2384
echo "License: $license"
2385

    
2386
echo "Creating config.mak and config.h..."
2387

    
2388
echo "# Automatically generated by configure - do not modify!" > config.mak
2389
echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2390
echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2391
echo "#define FFMPEG_CONFIG_H" >> $TMPH
2392
echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2393
echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2394

    
2395
echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2396
echo "prefix=$prefix" >> config.mak
2397
echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2398
echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2399
echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2400
echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2401
echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2402
echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2403
echo "SRC_PATH=\"$source_path\"" >> config.mak
2404
echo "SRC_PATH_BARE=$source_path" >> config.mak
2405
echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2406
echo "CC=$cc" >> config.mak
2407
echo "AS=$as" >> config.mak
2408
echo "YASM=$yasmexe" >> config.mak
2409
echo "AR=$ar" >> config.mak
2410
echo "RANLIB=$ranlib" >> config.mak
2411
echo "LN_S=$ln_s" >> config.mak
2412
enabled stripping &&
2413
    echo "STRIP=$strip" >> config.mak ||
2414
    echo "STRIP=echo ignoring strip" >> config.mak
2415

    
2416
echo "OPTFLAGS=$CFLAGS" >> config.mak
2417
echo "LDFLAGS=$LDFLAGS" >> config.mak
2418
echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2419
echo "SHFLAGS=$SHFLAGS" >> config.mak
2420
echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2421
echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2422
echo "BUILD_STATIC=$static" >> config.mak
2423
echo "BUILDSUF=$build_suffix" >> config.mak
2424
echo "FULLNAME=$FULLNAME" >> config.mak
2425
echo "LIBPREF=$LIBPREF" >> config.mak
2426
echo "LIBSUF=$LIBSUF" >> config.mak
2427
echo "LIBNAME=$LIBNAME" >> config.mak
2428
echo "SLIBPREF=$SLIBPREF" >> config.mak
2429
echo "SLIBSUF=$SLIBSUF" >> config.mak
2430
echo "EXESUF=$EXESUF" >> config.mak
2431
echo "EXTRA_VERSION=$extra_version" >> config.mak
2432
echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2433
echo "HOSTCC=$host_cc" >> config.mak
2434
echo "HOSTCFLAGS=$host_cflags" >> config.mak
2435
echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2436
echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2437
echo "HOSTLIBS=$host_libs" >> config.mak
2438
echo "TARGET_EXEC=$target_exec" >> config.mak
2439
echo "TARGET_PATH=$target_path" >> config.mak
2440

    
2441
if enabled bigendian; then
2442
    echo "WORDS_BIGENDIAN=yes" >> config.mak
2443
    echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2444
fi
2445

    
2446
if enabled sdl; then
2447
    echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2448
    echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
2449
fi
2450
if enabled texi2html; then
2451
    echo "BUILD_DOC=yes" >> config.mak
2452
fi
2453

    
2454
get_version(){
2455
    name=$1
2456
    file=$source_path/$2
2457
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2458
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2459
    lcname=$(tolower $name)
2460
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2461
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2462
}
2463

    
2464
get_version LIBSWSCALE  libswscale/swscale.h
2465
get_version LIBPOSTPROC libpostproc/postprocess.h
2466
get_version LIBAVCODEC  libavcodec/avcodec.h
2467
get_version LIBAVDEVICE libavdevice/avdevice.h
2468
get_version LIBAVFORMAT libavformat/avformat.h
2469
get_version LIBAVUTIL   libavutil/avutil.h
2470
get_version LIBAVFILTER libavfilter/avfilter.h
2471

    
2472
if enabled shared; then
2473
    echo "BUILD_SHARED=yes" >> config.mak
2474
    echo "PIC=-fPIC -DPIC" >> config.mak
2475
    echo "LIBTARGET=${LIBTARGET}" >> config.mak
2476
    echo "SLIBNAME=${SLIBNAME}" >> config.mak
2477
    echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2478
    echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2479
    echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2480
    echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2481
    echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2482
    echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2483
fi
2484
echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2485
echo "EXTRALIBS=$extralibs" >> config.mak
2486

    
2487
echo "ARCH=$arch" >> config.mak
2488

    
2489
print_config ARCH_   $TMPH config.mak $ARCH_LIST
2490
print_config HAVE_   $TMPH config.mak $HAVE_LIST
2491
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2492
                                      $CONFIG_EXTRA      \
2493
                                      $DECODER_LIST      \
2494
                                      $ENCODER_LIST      \
2495
                                      $HWACCEL_LIST      \
2496
                                      $PARSER_LIST       \
2497
                                      $BSF_LIST          \
2498
                                      $DEMUXER_LIST      \
2499
                                      $MUXER_LIST        \
2500
                                      $FILTER_LIST       \
2501
                                      $PROTOCOL_LIST     \
2502
                                      $INDEV_LIST        \
2503
                                      $OUTDEV_LIST       \
2504

    
2505
echo "#define restrict $_restrict" >> $TMPH
2506

    
2507
if enabled small; then
2508
    echo "#define av_always_inline"  >> $TMPH
2509
fi
2510

    
2511

    
2512
# Apparently it's not possible to portably echo a backslash.
2513
enabled asmalign_pot &&
2514
    printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2515
    printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2516

    
2517
echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2518

    
2519
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2520

    
2521
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2522
cmp -s $TMPH config.h &&
2523
    echo "config.h is unchanged" ||
2524
    mv -f $TMPH config.h
2525

    
2526
# build tree in object directory if source path is different from current one
2527
if enabled source_path_used; then
2528
    DIRS="\
2529
        doc               \
2530
        libavcodec        \
2531
        libavcodec/alpha  \
2532
        libavcodec/arm    \
2533
        libavcodec/bfin   \
2534
        libavcodec/mlib   \
2535
        libavcodec/ppc    \
2536
        libavcodec/sh4    \
2537
        libavcodec/sparc  \
2538
        libavcodec/x86    \
2539
        libavdevice       \
2540
        libavfilter       \
2541
        libavformat       \
2542
        libavutil         \
2543
        libpostproc       \
2544
        libswscale        \
2545
        libswscale/bfin   \
2546
        libswscale/mlib   \
2547
        libswscale/ppc    \
2548
        libswscale/sparc  \
2549
        libswscale/x86    \
2550
        tests             \
2551
        tools             \
2552
        "
2553
    FILES="\
2554
        Makefile             \
2555
        common.mak           \
2556
        subdir.mak           \
2557
        doc/texi2pod.pl      \
2558
        libavcodec/Makefile  \
2559
        libavdevice/Makefile \
2560
        libavfilter/Makefile \
2561
        libavformat/Makefile \
2562
        libavutil/Makefile   \
2563
        libpostproc/Makefile \
2564
        libswscale/Makefile  \
2565
        "
2566
    for dir in $DIRS ; do
2567
        mkdir -p $dir
2568
    done
2569
    for f in $FILES ; do
2570
        $ln_s "$source_path/$f" $f
2571
    done
2572
fi
2573

    
2574

    
2575
# build pkg-config files
2576

    
2577
pkgconfig_generate(){
2578
name=$1
2579
shortname=${name#lib}${build_suffix}
2580
comment=$2
2581
version=$3
2582
libs=$4
2583
requires=$5
2584
cat <<EOF > $name/$name.pc
2585
prefix=$prefix
2586
exec_prefix=\${prefix}
2587
libdir=$libdir
2588
includedir=$incdir
2589

    
2590
Name: $name
2591
Description: $comment
2592
Version: $version
2593
Requires: $(disabled shared && echo $requires)
2594
Requires.private: $(enabled shared && echo $requires)
2595
Conflicts:
2596
Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2597
Libs.private: $(enabled shared && echo $libs)
2598
Cflags: -I\${includedir}
2599
EOF
2600
cat <<EOF > $name/$name-uninstalled.pc
2601
prefix=
2602
exec_prefix=
2603
libdir=\${pcfiledir}
2604
includedir=${source_path}
2605

    
2606
Name: $name
2607
Description: $comment
2608
Version: $version
2609
Requires: $requires
2610
Conflicts:
2611
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2612
Cflags: -I\${includedir}
2613
EOF
2614
}
2615

    
2616
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2617
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2618
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2619
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2620
enabled avfilter &&
2621
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2622
enabled postproc &&
2623
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2624
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"