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#!/bin/sh
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#
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# FFmpeg configure script
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#
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# Copyright (c) 2000-2002 Fabrice Bellard
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# Copyright (c) 2005-2008 Diego Biurrun
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# Copyright (c) 2005-2008 Mans Rullgard
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#
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# Prevent locale nonsense from breaking basic text processing.
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LC_ALL=C
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export LC_ALL
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# make sure we are running under a compatible shell
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# try to make this part work with most shells
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try_exec(){
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    echo "Trying shell $1"
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    type "$1" > /dev/null 2>&1 && exec "$@"
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}
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unset foo
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(: ${foo%%bar}) 2> /dev/null
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E1="$?"
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(: ${foo?}) 2> /dev/null
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E2="$?"
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if test "$E1" != 0 || test "$E2" = 0; then
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    echo "Broken shell detected.  Trying alternatives."
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    export FF_CONF_EXEC
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    if test "0$FF_CONF_EXEC" -lt 1; then
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        FF_CONF_EXEC=1
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        try_exec bash "$0" "$@"
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    fi
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    if test "0$FF_CONF_EXEC" -lt 2; then
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        FF_CONF_EXEC=2
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        try_exec ksh "$0" "$@"
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    fi
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    if test "0$FF_CONF_EXEC" -lt 3; then
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        FF_CONF_EXEC=3
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        try_exec /usr/xpg4/bin/sh "$0" "$@"
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    fi
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    echo "No compatible shell script interpreter found."
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    echo "This configure script requires a POSIX-compatible shell"
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    echo "such as bash or ksh."
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    echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
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    echo "Instead, install a working POSIX-compatible shell."
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    echo "Disabling this configure test will create a broken FFmpeg."
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    if test "$BASH_VERSION" = '2.04.0(1)-release'; then
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        echo "This bash version ($BASH_VERSION) is broken on your platform."
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        echo "Upgrade to a later version if available."
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    fi
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    exit 1
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fi
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show_help(){
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  echo "Usage: configure [options]"
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  echo "Options: [defaults in brackets after descriptions]"
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  echo
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  echo "Standard options:"
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  echo "  --help                   print this message"
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  echo "  --logfile=FILE           log tests and output to FILE [config.err]"
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  echo "  --disable-logging        do not log configure debug information"
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  echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
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  echo "  --bindir=DIR             install binaries in DIR [PREFIX/bin]"
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  echo "  --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]"
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  echo "  --libdir=DIR             install libs in DIR [PREFIX/lib]"
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  echo "  --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]"
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  echo "  --incdir=DIR             install includes in DIR [PREFIX/include]"
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  echo "  --mandir=DIR             install man page in DIR [PREFIX/share/man]"
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  echo
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  echo "Configuration options:"
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  echo "  --disable-static         do not build static libraries [no]"
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  echo "  --enable-shared          build shared libraries [no]"
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  echo "  --enable-gpl             allow use of GPL code, the resulting libs"
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  echo "                           and binaries will be under GPL [no]"
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  echo "  --enable-nonfree         allow use of nonfree code, the resulting libs"
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  echo "                           and binaries will be unredistributable [no]"
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  echo "  --disable-ffmpeg         disable ffmpeg build"
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  echo "  --disable-ffplay         disable ffplay build"
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  echo "  --disable-ffserver       disable ffserver build"
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  echo "  --enable-postproc        enable GPLed postprocessing support [no]"
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  echo "  --enable-avfilter        video filter support [no]"
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  echo "  --enable-avfilter-lavf   video filters dependent on avformat [no]"
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  echo "  --enable-beosthreads     use BeOS threads [no]"
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  echo "  --enable-os2threads      use OS/2 threads [no]"
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  echo "  --enable-pthreads        use pthreads [no]"
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  echo "  --enable-w32threads      use Win32 threads [no]"
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  echo "  --enable-x11grab         enable X11 grabbing [no]"
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  echo "  --disable-network        disable network support [no]"
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  echo "  --disable-ipv6           disable IPv6 support [no]"
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  echo "  --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]"
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  echo "  --enable-gray            enable full grayscale support (slower color)"
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  echo "  --disable-swscale-alpha  disable alpha channel support in swscale"
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  echo "  --disable-fastdiv        disable table-based division"
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  echo "  --enable-small           optimize for size instead of speed"
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  echo "  --disable-aandct         disable AAN DCT code"
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  echo "  --disable-fft            disable FFT code"
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  echo "  --disable-golomb         disable Golomb code"
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  echo "  --disable-mdct           disable MDCT code"
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  echo "  --disable-rdft           disable RDFT code"
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  echo "  --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)"
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  echo "  --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
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  echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
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  echo "  --enable-beos-netserver  enable BeOS netserver"
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  echo "  --disable-encoder=NAME   disable encoder NAME"
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  echo "  --enable-encoder=NAME    enable encoder NAME"
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  echo "  --disable-encoders       disable all encoders"
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  echo "  --disable-decoder=NAME   disable decoder NAME"
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  echo "  --enable-decoder=NAME    enable decoder NAME"
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  echo "  --disable-decoders       disable all decoders"
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  echo "  --disable-hwaccel=NAME   disable hwaccel NAME"
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  echo "  --enable-hwaccel=NAME    enable hwaccel NAME"
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  echo "  --disable-hwaccels       disable all hwaccels"
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  echo "  --disable-muxer=NAME     disable muxer NAME"
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  echo "  --enable-muxer=NAME      enable muxer NAME"
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  echo "  --disable-muxers         disable all muxers"
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  echo "  --disable-demuxer=NAME   disable demuxer NAME"
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  echo "  --enable-demuxer=NAME    enable demuxer NAME"
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  echo "  --disable-demuxers       disable all demuxers"
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  echo "  --enable-parser=NAME     enable parser NAME"
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  echo "  --disable-parser=NAME    disable parser NAME"
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  echo "  --disable-parsers        disable all parsers"
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  echo "  --enable-bsf=NAME        enable bitstream filter NAME"
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  echo "  --disable-bsf=NAME       disable bitstream filter NAME"
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  echo "  --disable-bsfs           disable all bitstream filters"
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  echo "  --enable-protocol=NAME   enable protocol NAME"
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  echo "  --disable-protocol=NAME  disable protocol NAME"
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  echo "  --disable-protocols      disable all protocols"
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  echo "  --disable-indevs         disable input devices"
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  echo "  --disable-outdevs        disable output devices"
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  echo "  --disable-devices        disable all devices"
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  echo "  --enable-filter=NAME     enable filter NAME"
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  echo "  --disable-filter=NAME    disable filter NAME"
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  echo "  --disable-filters        disable all filters"
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  echo "  --list-decoders          show all available decoders"
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  echo "  --list-encoders          show all available encoders"
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  echo "  --list-hwaccels          show all available hardware accelerators"
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  echo "  --list-muxers            show all available muxers"
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  echo "  --list-demuxers          show all available demuxers"
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  echo "  --list-parsers           show all available parsers"
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  echo "  --list-protocols         show all available protocols"
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  echo "  --list-bsfs              show all available bitstream filters"
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  echo "  --list-indevs            show all available input devices"
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  echo "  --list-outdevs           show all available output devices"
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  echo "  --list-filters           show all available filters"
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  echo
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  echo "External library support:"
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  echo "  --enable-avisynth        enable reading of AVISynth script files [no]"
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  echo "  --enable-bzlib           enable bzlib [autodetect]"
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  echo "  --enable-libamr-nb       enable libamr-nb floating point audio codec [no]"
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  echo "  --enable-libamr-wb       enable libamr-wb floating point audio codec [no]"
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  echo "  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394"
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  echo "                           and libraw1394 [no]"
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  echo "  --enable-libdirac        enable Dirac support via libdirac [no]"
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  echo "  --enable-libfaac         enable FAAC support via libfaac [no]"
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  echo "  --enable-libfaad         enable FAAD support via libfaad [no]"
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  echo "  --enable-libfaadbin      open libfaad.so.0 at runtime [no]"
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  echo "  --enable-libgsm          enable GSM support via libgsm [no]"
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  echo "  --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]"
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  echo "  --enable-libnut          enable NUT (de)muxing via libnut,"
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  echo "                           native (de)muxer exists [no]"
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  echo "  --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]"
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  echo "  --enable-libschroedinger enable Dirac support via libschroedinger [no]"
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  echo "  --enable-libspeex        enable Speex decoding via libspeex [no]"
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  echo "  --enable-libtheora       enable Theora encoding via libtheora [no]"
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  echo "  --enable-libvorbis       enable Vorbis encoding via libvorbis,"
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  echo "                           native implementation exists [no]"
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  echo "  --enable-libx264         enable H.264 encoding via x264 [no]"
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  echo "  --enable-libxvid         enable Xvid encoding via xvidcore,"
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  echo "                           native MPEG-4/Xvid encoder exists [no]"
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  echo "  --enable-mlib            enable Sun medialib [no]"
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  echo "  --enable-zlib            enable zlib [autodetect]"
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  echo ""
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  echo "Advanced options (experts only):"
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  echo "  --source-path=PATH       path to source code [$source_path]"
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  echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
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  echo "  --enable-cross-compile   assume a cross-compiler is used"
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  echo "  --sysroot=PATH           root of cross-build tree"
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  echo "  --sysinclude=PATH        location of cross-build system headers"
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  echo "  --target-os=OS           compiler targets OS [$target_os]"
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  echo "  --target-exec=CMD        command to run executables on target"
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  echo "  --target-path=DIR        path to view of build directory on target"
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  echo "  --nm=NM                  use nm tool"
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  echo "  --as=AS                  use assembler AS [$as_default]"
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  echo "  --cc=CC                  use C compiler CC [$cc_default]"
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  echo "  --host-cc=HOSTCC         use host C compiler HOSTCC"
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  echo "  --host-cflags=HCFLAGS    use HCFLAGS when compiling for host"
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  echo "  --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host"
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  echo "  --host-libs=HLIBS        use libs HLIBS when linking for host"
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  echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
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  echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
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  echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
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  echo "  --extra-version=STRING   version string suffix []"
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  echo "  --build-suffix=SUFFIX    library name suffix []"
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  echo "  --arch=ARCH              select architecture [$arch]"
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  echo "  --cpu=CPU                select the minimum required CPU (affects"
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  echo "                           instruction selection, may crash on older CPUs)"
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  echo "  --enable-powerpc-perf    enable performance report on PPC"
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  echo "                           (requires enabling PMC)"
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  echo "  --disable-altivec        disable AltiVec optimizations"
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  echo "  --disable-amd3dnow       disable 3DNow! optimizations"
204
  echo "  --disable-amd3dnowext    disable 3DNow! extended optimizations"
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  echo "  --disable-mmx            disable MMX optimizations"
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  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"
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  echo "  --disable-armv5te        disable armv5te optimizations"
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  echo "  --disable-armv6          disable armv6 optimizations"
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  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"
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  echo "  --disable-neon           disable neon optimizations"
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  echo "  --disable-vis            disable VIS optimizations"
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  echo "  --disable-yasm           disable use of yasm assembler"
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  echo
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  echo "Developer options (useful when working on FFmpeg itself):"
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  echo "  --disable-debug          disable debugging symbols"
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  echo "  --enable-debug=LEVEL     set the debug level [$debuglevel]"
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  echo "  --enable-gprof           enable profiling with gprof [$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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log(){
232
    echo "$@" >> $logfile
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}
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log_file(){
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    log BEGIN $1
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    pr -n -t $1 >> $logfile
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    log END $1
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}
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241
echolog(){
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    log "$@"
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    echo "$@"
244
}
245

    
246
die(){
247
    echolog "$@"
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    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
    mips64
834
    parisc
835
    ppc
836
    s390
837
    sh4
838
    sparc
839
    sparc64
840
    x86
841
    x86_32
842
    x86_64
843
'
844

    
845
ARCH_EXT_LIST='
846
    altivec
847
    amd3dnow
848
    amd3dnowext
849
    armv5te
850
    armv6
851
    armv6t2
852
    armvfp
853
    iwmmxt
854
    mmi
855
    mmx
856
    mmx2
857
    neon
858
    ppc4xx
859
    sse
860
    ssse3
861
    vis
862
'
863

    
864
HAVE_LIST="
865
    $ARCH_EXT_LIST
866
    $THREADS_LIST
867
    alsa_asoundlib_h
868
    altivec_h
869
    arpa_inet_h
870
    bigendian
871
    bswap
872
    closesocket
873
    cmov
874
    conio_h
875
    dcbzl
876
    dev_bktr_ioctl_bt848_h
877
    dev_bktr_ioctl_meteor_h
878
    dev_ic_bt8xx_h
879
    dev_video_meteor_ioctl_meteor_h
880
    dev_video_bktr_ioctl_bt848_h
881
    dlfcn_h
882
    dlopen
883
    dos_paths
884
    ebp_available
885
    ebx_available
886
    fast_64bit
887
    fast_cmov
888
    fast_unaligned
889
    fork
890
    gethrtime
891
    GetProcessTimes
892
    getrusage
893
    inet_aton
894
    inline_asm
895
    ldbrx
896
    libdc1394_1
897
    libdc1394_2
898
    llrint
899
    lrint
900
    lrintf
901
    lzo1x_999_compress
902
    machine_ioctl_bt848_h
903
    machine_ioctl_meteor_h
904
    malloc_h
905
    memalign
906
    mkstemp
907
    pld
908
    posix_memalign
909
    ppc64
910
    round
911
    roundf
912
    sdl
913
    sdl_video_size
914
    setmode
915
    socklen_t
916
    soundcard_h
917
    poll_h
918
    sys_mman_h
919
    sys_resource_h
920
    sys_select_h
921
    sys_soundcard_h
922
    sys_videoio_h
923
    ten_operands
924
    termios_h
925
    threads
926
    truncf
927
    VirtualAlloc
928
    winsock2_h
929
    xform_asm
930
    yasm
931
"
932

    
933
# options emitted with CONFIG_ prefix but not available on command line
934
CONFIG_EXTRA="
935
"
936

    
937
CMDLINE_SELECT="
938
    $ARCH_EXT_LIST
939
    $CONFIG_LIST
940
    $THREADS_LIST
941
    cross_compile
942
    debug
943
    extra_warnings
944
    logging
945
    optimizations
946
    stripping
947
    yasm
948
"
949

    
950
PATHS_LIST='
951
    bindir
952
    datadir
953
    incdir
954
    libdir
955
    mandir
956
    prefix
957
    shlibdir
958
'
959

    
960
CMDLINE_SET="
961
    $PATHS_LIST
962
    arch
963
    as
964
    build_suffix
965
    cc
966
    cpu
967
    cross_prefix
968
    extra_version
969
    host_cc
970
    host_cflags
971
    host_ldflags
972
    host_libs
973
    host_os
974
    logfile
975
    nm
976
    source_path
977
    sysinclude
978
    sysroot
979
    target_exec
980
    target_os
981
    target_path
982
"
983

    
984
# code dependency declarations
985

    
986
# architecture extensions
987
altivec_deps="ppc"
988
amd3dnow_deps="mmx"
989
amd3dnowext_deps="amd3dnow"
990
armv5te_deps="arm"
991
armv6_deps="arm"
992
armv6t2_deps="arm"
993
armvfp_deps="arm"
994
iwmmxt_deps="arm"
995
mmi_deps="mips"
996
mmx_deps="x86"
997
mmx2_deps="mmx"
998
neon_deps="arm"
999
ppc4xx_deps="ppc"
1000
sse_deps="mmx"
1001
ssse3_deps="sse"
1002
vis_deps="sparc"
1003

    
1004
# decoders / encoders / hardware accelerators
1005
aac_decoder_select="fft mdct"
1006
ac3_decoder_select="fft mdct"
1007
atrac3_decoder_select="fft mdct"
1008
cavs_decoder_select="golomb"
1009
cook_decoder_select="fft mdct"
1010
cscd_decoder_suggest="zlib"
1011
dca_decoder_select="fft mdct"
1012
dnxhd_encoder_select="aandct"
1013
dxa_decoder_select="zlib"
1014
eac3_decoder_select="fft mdct"
1015
eatgq_decoder_select="aandct"
1016
eatqi_decoder_select="aandct"
1017
ffv1_decoder_select="golomb"
1018
flac_decoder_select="golomb"
1019
flac_encoder_select="golomb"
1020
flashsv_decoder_select="zlib"
1021
flashsv_encoder_select="zlib"
1022
flv_encoder_select="aandct"
1023
h261_encoder_select="aandct"
1024
h263_encoder_select="aandct"
1025
h263_vaapi_hwaccel_deps="va_va_h"
1026
h263p_encoder_select="aandct"
1027
h264_decoder_select="golomb"
1028
h264_vaapi_hwaccel_deps="va_va_h"
1029
h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1030
imc_decoder_select="fft mdct"
1031
jpegls_decoder_select="golomb"
1032
jpegls_encoder_select="golomb"
1033
ljpeg_encoder_select="aandct"
1034
loco_decoder_select="golomb"
1035
mjpeg_encoder_select="aandct"
1036
mpeg1video_encoder_select="aandct"
1037
mpeg2video_encoder_select="aandct"
1038
mpeg4_encoder_select="aandct"
1039
mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1040
mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1041
mpeg2_vaapi_hwaccel_deps="va_va_h"
1042
mpeg4_vaapi_hwaccel_deps="va_va_h"
1043
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1044
msmpeg4v1_encoder_select="aandct"
1045
msmpeg4v2_encoder_select="aandct"
1046
msmpeg4v3_encoder_select="aandct"
1047
nellymoser_decoder_select="fft mdct"
1048
nellymoser_encoder_select="fft mdct"
1049
png_decoder_select="zlib"
1050
png_encoder_select="zlib"
1051
qdm2_decoder_select="fft mdct rdft"
1052
rv10_encoder_select="aandct"
1053
rv20_encoder_select="aandct"
1054
rv30_decoder_select="golomb"
1055
rv40_decoder_select="golomb"
1056
shorten_decoder_select="golomb"
1057
sonic_decoder_select="golomb"
1058
sonic_encoder_select="golomb"
1059
sonic_ls_encoder_select="golomb"
1060
svq3_decoder_select="golomb"
1061
svq3_decoder_suggest="zlib"
1062
tiff_decoder_suggest="zlib"
1063
tiff_encoder_suggest="zlib"
1064
tscc_decoder_select="zlib"
1065
vc1_vaapi_hwaccel_deps="va_va_h"
1066
vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1067
vorbis_decoder_select="fft mdct"
1068
vorbis_encoder_select="fft mdct"
1069
wmav1_decoder_select="fft mdct"
1070
wmav1_encoder_select="fft mdct"
1071
wmav2_decoder_select="fft mdct"
1072
wmav2_encoder_select="fft mdct"
1073
wmv1_encoder_select="aandct"
1074
wmv2_encoder_select="aandct"
1075
wmv3_vaapi_hwaccel_deps="va_va_h"
1076
wmv3_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1077
zlib_decoder_select="zlib"
1078
zlib_encoder_select="zlib"
1079
zmbv_decoder_select="zlib"
1080
zmbv_encoder_select="zlib"
1081

    
1082
# external libraries
1083
libamr_nb_decoder_deps="libamr_nb"
1084
libamr_nb_encoder_deps="libamr_nb"
1085
libamr_wb_decoder_deps="libamr_wb"
1086
libamr_wb_encoder_deps="libamr_wb"
1087
libdirac_decoder_deps="libdirac !libschroedinger"
1088
libdirac_encoder_deps="libdirac"
1089
libfaac_encoder_deps="libfaac"
1090
libfaad_decoder_deps="libfaad"
1091
libfaadbin_decoder_extralibs='$ldl'
1092
libgsm_decoder_deps="libgsm"
1093
libgsm_encoder_deps="libgsm"
1094
libgsm_ms_decoder_deps="libgsm"
1095
libgsm_ms_encoder_deps="libgsm"
1096
libmp3lame_encoder_deps="libmp3lame"
1097
libopenjpeg_decoder_deps="libopenjpeg"
1098
libschroedinger_decoder_deps="libschroedinger"
1099
libschroedinger_encoder_deps="libschroedinger"
1100
libspeex_decoder_deps="libspeex"
1101
libtheora_encoder_deps="libtheora"
1102
libvorbis_encoder_deps="libvorbis"
1103
libx264_encoder_deps="libx264"
1104
libxvid_encoder_deps="libxvid"
1105

    
1106
# demuxers / muxers
1107
ac3_demuxer_deps="ac3_parser"
1108
alsa_demuxer_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1109
alsa_demuxer_extralibs="-lasound"
1110
alsa_muxer_deps="alsa_asoundlib_h"
1111
alsa_muxer_extralibs="-lasound"
1112
audio_beos_demuxer_deps="audio_beos"
1113
audio_beos_demuxer_extralibs="-lmedia -lbe"
1114
audio_beos_muxer_deps="audio_beos"
1115
audio_beos_muxer_extralibs="-lmedia -lbe"
1116
avisynth_demuxer_deps="avisynth"
1117
bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1118
dirac_demuxer_deps="dirac_parser"
1119
dv1394_demuxer_deps="dv1394 dv_demuxer"
1120
jack_demuxer_deps="jack_jack_h"
1121
jack_demuxer_extralibs="-ljack"
1122
libdc1394_demuxer_deps="libdc1394"
1123
libnut_demuxer_deps="libnut"
1124
libnut_muxer_deps="libnut"
1125
matroska_demuxer_suggest="zlib bzlib"
1126
mov_demuxer_suggest="zlib"
1127
mp3_demuxer_deps="mpegaudio_parser"
1128
oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
1129
oss_muxer_deps_any="soundcard_h sys_soundcard_h"
1130
redir_demuxer_deps="network"
1131
rtp_muxer_deps="network rtp_protocol"
1132
rtsp_demuxer_deps="sdp_demuxer"
1133
sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1134
v4l_demuxer_deps="linux_videodev_h"
1135
v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
1136
vfwcap_demuxer_deps="capCreateCaptureWindow"
1137
vfwcap_demuxer_extralibs="-lvfw32"
1138
x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
1139
x11_grab_device_demuxer_extralibs="-lX11 -lXext"
1140

    
1141
# protocols
1142
gopher_protocol_deps="network"
1143
http_protocol_deps="network"
1144
rtp_protocol_deps="udp_protocol"
1145
tcp_protocol_deps="network"
1146
udp_protocol_deps="network"
1147

    
1148
# filters
1149
movie_filter_deps="avfilter_lavf"
1150

    
1151
# programs
1152
ffplay_deps="sdl"
1153
ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1154
ffserver_extralibs='$ldl'
1155

    
1156

    
1157
# default parameters
1158

    
1159
logfile="config.err"
1160

    
1161
# installation paths
1162
prefix_default="/usr/local"
1163
bindir_default='${prefix}/bin'
1164
datadir_default='${prefix}/share/ffmpeg'
1165
incdir_default='${prefix}/include'
1166
libdir_default='${prefix}/lib'
1167
mandir_default='${prefix}/share/man'
1168
shlibdir_default="$libdir_default"
1169

    
1170
# toolchain
1171
ar="ar"
1172
cc_default="gcc"
1173
host_cc_default="gcc"
1174
ln_s="ln -sf"
1175
nm_default="nm"
1176
objformat="elf"
1177
ranlib="ranlib"
1178
strip="strip"
1179
yasmexe="yasm"
1180

    
1181
# machine
1182
arch=$(uname -m)
1183
cpu="generic"
1184

    
1185
# OS
1186
target_os=$(tolower $(uname -s))
1187
host_os=$target_os
1188

    
1189
# configurable options
1190
enable debug
1191
enable fastdiv
1192
enable ffmpeg
1193
enable ffplay
1194
enable ffserver
1195
enable ipv6
1196
enable mpegaudio_hp
1197
enable network
1198
enable optimizations
1199
enable protocols
1200
enable static
1201
enable stripping
1202
enable swscale_alpha
1203

    
1204
# build settings
1205
add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1206
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1207
FFSERVERLDFLAGS=-Wl,-E
1208
LIBPREF="lib"
1209
LIBSUF=".a"
1210
FULLNAME='$(NAME)$(BUILDSUF)'
1211
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1212
SLIBPREF="lib"
1213
SLIBSUF=".so"
1214
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1215
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1216
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1217
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1218

    
1219
host_cflags='-O3 -g -Wall'
1220
host_libs='-lm'
1221

    
1222
target_path='.'
1223

    
1224
# gcc stupidly only outputs the basename of targets with -MM, but we need the
1225
# full relative path for objects in subdirectories for non-recursive Make.
1226
DEPEND_CMD='$(CC) $(CFLAGS) -MM $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1227

    
1228
# find source path
1229
source_path="$(dirname "$0")"
1230
enable source_path_used
1231
if test -z "$source_path" -o "$source_path" = "." ; then
1232
    source_path="$(pwd)"
1233
    disable source_path_used
1234
else
1235
    source_path="$(cd "$source_path"; pwd)"
1236
    echo "$source_path" | grep -q '[[:blank:]]' &&
1237
        die "Out of tree builds are impossible with whitespace in source path."
1238
    test -e "$source_path/config.h" &&
1239
        die "Out of tree builds are impossible with config.h in source dir."
1240
fi
1241

    
1242
for v in "$@"; do
1243
    r="${v#*=}"
1244
    l="${v%$r}"
1245
    test "$r" = "${r#* }" || r="'$r'"
1246
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1247
done
1248

    
1249
find_things(){
1250
    thing=$1
1251
    pattern=$2
1252
    file=$source_path/$3
1253
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1254
}
1255

    
1256
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1257
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1258
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1259
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1260
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1261
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1262
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1263
OUTDEV_LIST=$(find_things   muxer    _MUX     libavdevice/alldevices.c)
1264
INDEV_LIST=$(find_things    demuxer  DEMUX    libavdevice/alldevices.c)
1265
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1266
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1267

    
1268
enable $ARCH_EXT_LIST \
1269
       $DECODER_LIST \
1270
       $ENCODER_LIST \
1271
       $HWACCEL_LIST \
1272
       $PARSER_LIST \
1273
       $BSF_LIST \
1274
       $DEMUXER_LIST \
1275
       $MUXER_LIST \
1276
       $FILTER_LIST \
1277
       $PROTOCOL_LIST \
1278
       $INDEV_LIST \
1279
       $OUTDEV_LIST \
1280

    
1281
die_unknown(){
1282
    echo "Unknown option \"$1\"."
1283
    echo "See $0 --help for available options."
1284
    exit 1
1285
}
1286

    
1287
show_list() {
1288
    suffix=_$1
1289
    shift
1290
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1291
    exit 0
1292
}
1293

    
1294
for opt do
1295
    optval="${opt#*=}"
1296
    case "$opt" in
1297
    --extra-cflags=*) add_cflags $optval
1298
    ;;
1299
    --extra-ldflags=*) add_ldflags $optval
1300
    ;;
1301
    --extra-libs=*) add_extralibs $optval
1302
    ;;
1303
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1304
    ;;
1305
    --enable-debug=*) debuglevel="$optval"
1306
    ;;
1307
    --enable-*=*|--disable-*=*)
1308
    eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
1309
    case "$thing" in
1310
        encoder|decoder|hwaccel|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1311
        *) die_unknown "$opt" ;;
1312
    esac
1313
    ;;
1314
    --enable-?*|--disable-?*)
1315
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1316
    if is_in $option $COMPONENT_LIST; then
1317
        eval $action \$$(toupper ${option%s})_LIST
1318
    elif is_in $option $CMDLINE_SELECT; then
1319
        $action $option
1320
    else
1321
        die_unknown $opt
1322
    fi
1323
    ;;
1324
    --list-*)
1325
        NAME="${opt#--list-}"
1326
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1327
        NAME=${NAME%s}
1328
        eval show_list $NAME \$$(toupper $NAME)_LIST
1329
    ;;
1330
    --help|-h) show_help
1331
    ;;
1332
    *)
1333
    optname="${opt%%=*}"
1334
    optname="${optname#--}"
1335
    optname=$(echo "$optname" | sed 's/-/_/g')
1336
    is_in $optname $CMDLINE_SET || die_unknown $opt
1337
    eval $optname='$optval'
1338
    ;;
1339
    esac
1340
done
1341

    
1342
disabled logging && logfile=/dev/null
1343

    
1344
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1345
set >> $logfile
1346

    
1347
test -n "$cross_prefix" && enable cross_compile
1348

    
1349
ar="${cross_prefix}${ar}"
1350
cc_default="${cross_prefix}${cc_default}"
1351
nm_default="${cross_prefix}${nm_default}"
1352
ranlib="${cross_prefix}${ranlib}"
1353
strip="${cross_prefix}${strip}"
1354

    
1355
sysinclude_default="${sysroot}/usr/include"
1356

    
1357
set_default cc nm sysinclude
1358
as_default=$cc
1359
enabled cross_compile || host_cc_default=$cc
1360
set_default host_cc
1361

    
1362
exesuf() {
1363
    case $1 in
1364
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1365
    esac
1366
}
1367

    
1368
EXESUF=$(exesuf $target_os)
1369
HOSTEXESUF=$(exesuf $host_os)
1370

    
1371
# set temporary file name
1372
: ${TMPDIR:=$TEMPDIR}
1373
: ${TMPDIR:=$TMP}
1374
: ${TMPDIR:=/tmp}
1375

    
1376
if ! check_cmd type mktemp; then
1377
    # simple replacement for missing mktemp
1378
    # NOT SAFE FOR GENERAL USE
1379
    mktemp(){
1380
        echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1381
    }
1382
fi
1383

    
1384
tmpfile(){
1385
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1386
        (set -C; exec > $tmp) 2>/dev/null ||
1387
        die "Unable to create temoporary file in $TMPDIR."
1388
    append TMPFILES $tmp
1389
    eval $1=$tmp
1390
}
1391

    
1392
trap 'rm -f -- $TMPFILES' EXIT
1393
trap exit HUP INT TERM
1394

    
1395
tmpfile TMPC  .c
1396
tmpfile TMPE  $EXESUF
1397
tmpfile TMPH  .h
1398
tmpfile TMPO  .o
1399
tmpfile TMPS  .S
1400
tmpfile TMPSH .sh
1401

    
1402
unset -f mktemp
1403

    
1404
# make sure we can execute files in $TMPDIR
1405
cat > $TMPSH 2>> $logfile <<EOF
1406
#! /bin/sh
1407
EOF
1408
chmod +x $TMPSH >> $logfile 2>&1
1409
if ! $TMPSH >> $logfile 2>&1; then
1410
    cat <<EOF
1411
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1412
variable to another directory and make sure that it is not mounted noexec.
1413
EOF
1414
    die "Sanity test failed."
1415
fi
1416

    
1417
if   $cc --version 2>/dev/null | grep -qi gcc; then
1418
    cc_type=gcc
1419
elif $cc --version 2>/dev/null | grep -q Intel; then
1420
    cc_type=icc
1421
elif $cc -v 2>&1 | grep -q xlc; then
1422
    cc_type=xlc
1423
elif $cc -V 2>/dev/null | grep -q Compaq; then
1424
    cc_type=ccc
1425
    DEPEND_CMD='$(CC) $(CFLAGS) -M $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1426
    debuglevel=3
1427
    add_ldflags -Wl,-z,now # calls to libots crash without this
1428
elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1429
    test -d "$sysroot" || die "No valid sysroot specified."
1430
    cc_type=armcc
1431
    armcc_conf="$PWD/armcc.conf"
1432
    $cc --arm_linux_configure                 \
1433
        --arm_linux_config_file="$armcc_conf" \
1434
        --configure_sysroot="$sysroot"        \
1435
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1436
        die "Error creating armcc configuration file."
1437
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1438
    as_default="${cross_prefix}gcc"
1439
fi
1440

    
1441
test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1442

    
1443
set_default as
1444

    
1445
if test -n "$sysroot"; then
1446
    case "$cc_type" in
1447
        gcc)
1448
            add_cflags  --sysroot="$sysroot"
1449
            add_ldflags --sysroot="$sysroot"
1450
        ;;
1451
    esac
1452
fi
1453

    
1454
# compiler sanity check
1455
check_exec <<EOF
1456
int main(void){ return 0; }
1457
EOF
1458
if test "$?" != 0; then
1459
    echo "$cc is unable to create an executable file."
1460
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
1461
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1462
        echo "Only do this if you know what cross compiling means."
1463
    fi
1464
    die "C compiler test failed."
1465
fi
1466

    
1467
check_cflags -std=c99
1468
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cflags -D_FILE_OFFSET_BITS=64
1469
#include <stdlib.h>
1470
EOF
1471
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cflags -D_LARGEFILE_SOURCE
1472
#include <stdlib.h>
1473
EOF
1474

    
1475
case "$arch" in
1476
    alpha)
1477
        arch="alpha"
1478
        enable fast_64bit
1479
        check_cflags -mieee
1480
    ;;
1481
    arm|armv[4567]*l)
1482
        arch="arm"
1483
    ;;
1484
    avr32)
1485
    ;;
1486
    bfin)
1487
        arch="bfin"
1488
    ;;
1489
    ia64)
1490
        arch="ia64"
1491
        enable fast_64bit
1492
    ;;
1493
    m68k)
1494
        arch="m68k"
1495
    ;;
1496
    mips|mipsel|IP*)
1497
        arch="mips"
1498
    ;;
1499
    mips64)
1500
        arch="mips"
1501
        subarch="mips64"
1502
        enable fast_64bit
1503
    ;;
1504
    parisc|hppa)
1505
        arch="parisc"
1506
    ;;
1507
    parisc64|hppa64)
1508
        arch="parisc"
1509
        enable fast_64bit
1510
    ;;
1511
    "Power Macintosh"|ppc|powerpc)
1512
        arch="ppc"
1513
        enable fast_unaligned
1514
    ;;
1515
    ppc64)
1516
        arch="ppc"
1517
        enable fast_64bit
1518
        enable fast_unaligned
1519
    ;;
1520
    s390|s390x)
1521
        arch="s390"
1522
    ;;
1523
    sh4|sh)
1524
        arch="sh4"
1525
    ;;
1526
    sparc)
1527
        arch="sparc"
1528
    ;;
1529
    sun4u|sparc64)
1530
        arch="sparc"
1531
        subarch="sparc64"
1532
        enable fast_64bit
1533
    ;;
1534
    i386|i486|i586|i686|i86pc|BePC)
1535
        arch="x86"
1536
        subarch="x86_32"
1537
        enable fast_unaligned
1538
    ;;
1539
    x86_64|amd64)
1540
        arch="x86"
1541
        subarch="x86_32"
1542
        enable cmov
1543
        enable fast_cmov
1544
        enable fast_unaligned
1545
        check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1546
        int test[sizeof(char*) - 7];
1547
EOF
1548
    ;;
1549
    *)
1550
        arch="unknown"
1551
    ;;
1552
esac
1553

    
1554
enable $arch $subarch
1555

    
1556
# OS specific
1557
case $target_os in
1558
    beos|haiku|zeta)
1559
        prefix_default="$HOME/config"
1560
        # helps building libavcodec
1561
        add_cflags -DPIC -fomit-frame-pointer
1562
        # 3 gcc releases known for BeOS, each with ugly bugs
1563
        gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
1564
        case "$gcc_version" in
1565
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1566
            disable mmx
1567
            ;;
1568
          *20010315*) echo "BeBits gcc"
1569
            add_cflags -fno-expensive-optimizations
1570
            ;;
1571
        esac
1572
        SHFLAGS=-nostart
1573
        # enable BeOS things
1574
        enable audio_beos
1575
        # no need for libm, but the inet stuff
1576
        # Check for BONE
1577
        # XXX: actually should check for NOT net_server
1578
        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1579
            network_extralibs="-lbind -lsocket"
1580
        else
1581
            enable beos_netserver
1582
            network_extralibs="-lnet"
1583
        fi ;;
1584
    sunos)
1585
        FFSERVERLDFLAGS=""
1586
        SHFLAGS='-shared -Wl,-h,$$(@F)'
1587
        network_extralibs="-lsocket -lnsl"
1588
        add_cflags -D__EXTENSIONS__
1589
        ;;
1590
    netbsd)
1591
        oss_demuxer_extralibs="-lossaudio"
1592
        oss_muxer_extralibs="-lossaudio"
1593
        ;;
1594
    openbsd)
1595
        disable need_memalign
1596
        LIBOBJFLAGS='$(PIC)'
1597
        SHFLAGS='-shared'
1598
        oss_demuxer_extralibs="-lossaudio"
1599
        oss_muxer_extralibs="-lossaudio"
1600
        ;;
1601
    freebsd)
1602
        disable need_memalign
1603
        ;;
1604
    bsd/os)
1605
        osextralibs="-lpoll -lgnugetopt"
1606
        strip="strip -d"
1607
        ;;
1608
    darwin)
1609
        disable need_memalign
1610
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1611
        strip="strip -x"
1612
        FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1613
        SLIBSUF=".dylib"
1614
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1615
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1616
        FFSERVERLDFLAGS=-Wl,-bind_at_load
1617
        objformat="macho"
1618
        enabled x86_64 && objformat="macho64"
1619
        ;;
1620
    mingw32*)
1621
        target_os=mingw32
1622
        LIBTARGET=i386
1623
        if enabled x86_64; then
1624
            disable need_memalign
1625
            LIBTARGET=x64
1626
        fi
1627
        shlibdir_default="$bindir_default"
1628
        disable ffserver
1629
        SLIBPREF=""
1630
        SLIBSUF=".dll"
1631
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1632
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1633
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1634
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1635
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1636
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1637
        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'
1638
        objformat="win32"
1639
        enable dos_paths
1640
        check_cflags -fno-common
1641
        if ! enabled x86_64; then
1642
            check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1643
                die "ERROR: MinGW runtime version must be >= 3.15."
1644
            enabled_any avisynth vfwcap_demuxer &&
1645
                { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1646
                  die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1647
            fi
1648
        ;;
1649
    cygwin*)
1650
        target_os=cygwin
1651
        shlibdir_default="$bindir_default"
1652
        SLIBPREF="cyg"
1653
        SLIBSUF=".dll"
1654
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1655
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1656
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
1657
        objformat="win32"
1658
        enable dos_paths
1659
        check_cflags -fno-common
1660
        ;;
1661
    *-dos|freedos|opendos)
1662
        disable ffplay ffserver
1663
        disable $INDEV_LIST $OUTDEV_LIST
1664
        network_extralibs="-lsocket"
1665
        objformat="coff"
1666
        enable dos_paths
1667
        ;;
1668
    linux)
1669
        enable dv1394
1670
        ;;
1671
    irix*)
1672
        target_os=irix
1673
        ranlib="echo ignoring ranlib"
1674
        ;;
1675
    os/2*)
1676
        strip="lxlite"
1677
        ln_s="cp -f"
1678
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1679
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1680
        FFSERVERLDFLAGS=""
1681
        LIBSUF="_s.a"
1682
        SLIBPREF=""
1683
        SLIBSUF=".dll"
1684
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1685
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1686
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1687
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1688
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1689
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1690
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1691
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1692
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1693
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1694
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1695
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1696
        enable dos_paths
1697
        ;;
1698
    gnu/kfreebsd)
1699
        ;;
1700

    
1701
    *)
1702
        die "Unknown OS '$target_os'."
1703
        ;;
1704
esac
1705

    
1706
set_default $PATHS_LIST
1707

    
1708
add_extralibs $osextralibs
1709

    
1710
# Combine FFLDFLAGS and the LDFLAGS environment variable.
1711
LDFLAGS="$FFLDFLAGS $LDFLAGS"
1712

    
1713
# we need to build at least one lib type
1714
if ! enabled_any static shared; then
1715
    cat <<EOF
1716
At least one library type must be built.
1717
Specify --enable-static to build the static libraries or --enable-shared to
1718
build the shared libraries as well. To only build the shared libraries specify
1719
--disable-static in addition to --enable-shared.
1720
EOF
1721
    exit 1;
1722
fi
1723

    
1724
disabled static && LIBNAME=""
1725

    
1726
if enabled_any libfaad libfaadbin ; then
1727
    if check_header faad.h; then
1728
        check_cc <<EOF
1729
#include <faad.h>
1730
#ifndef FAAD2_VERSION
1731
ok faad1
1732
#endif
1733
int main(void) { return 0; }
1734
EOF
1735
        test $? = 0 && enable libfaad2
1736
    else
1737
        die "FAAD test failed."
1738
    fi
1739
fi
1740

    
1741

    
1742
die_license_disabled() {
1743
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
1744
}
1745

    
1746
die_license_disabled gpl libfaad2
1747
die_license_disabled gpl libx264
1748
die_license_disabled gpl libxvid
1749
die_license_disabled gpl postproc
1750
die_license_disabled gpl x11grab
1751

    
1752
die_license_disabled nonfree libamr_nb
1753
die_license_disabled nonfree libamr_wb
1754
die_license_disabled nonfree libfaac
1755

    
1756

    
1757
check_deps $ARCH_EXT_LIST
1758

    
1759
test -z "$need_memalign" && need_memalign="$mmx"
1760

    
1761
#Darwin CC versions
1762
if test $target_os = darwin; then
1763
    if enabled xlc; then
1764
        add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1765
    else
1766
        add_cflags -pipe
1767
        check_cflags -force_cpusubtype_ALL
1768
        check_cflags -Wno-sign-compare
1769
        enabled shared || check_cflags -mdynamic-no-pic
1770
    fi
1771
fi
1772

    
1773
disabled optimizations || check_cflags -fomit-frame-pointer
1774

    
1775
# Add processor-specific flags
1776
if test $cpu != "generic"; then
1777
    warn_altivec(){
1778
        $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1779
    }
1780
    case $cpu in
1781
        601|ppc601|PowerPC601)
1782
            add_cflags -mcpu=601
1783
            warn_altivec enabled PPC601
1784
        ;;
1785
        603*|ppc603*|PowerPC603*)
1786
            add_cflags -mcpu=603
1787
            warn_altivec enabled PPC603
1788
        ;;
1789
        604*|ppc604*|PowerPC604*)
1790
            add_cflags -mcpu=604
1791
            warn_altivec enabled PPC604
1792
        ;;
1793
        G3|g3|75*|ppc75*|PowerPC75*)
1794
            add_cflags -mcpu=750 -mpowerpc-gfxopt
1795
            warn_altivec enabled PPC75x
1796
        ;;
1797
        G4|g4|745*|ppc745*|PowerPC745*)
1798
            add_cflags -mcpu=7450 -mpowerpc-gfxopt
1799
            warn_altivec disabled PPC745x
1800
        ;;
1801
        74*|ppc74*|PowerPC74*)
1802
            add_cflags -mcpu=7400 -mpowerpc-gfxopt
1803
            warn_altivec disabled PPC74xx
1804
        ;;
1805
        G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1806
            add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
1807
            warn_altivec disabled PPC970
1808
            enable ppc64
1809
        ;;
1810
        Cell|CELL|cell)
1811
            add_cflags -mcpu=cell
1812
            warn_altivec disabled Cell
1813
            enable ppc64 ldbrx
1814
        ;;
1815
        # targets that do NOT support conditional mov (cmov)
1816
        i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1817
            add_cflags -march=$cpu
1818
            disable cmov
1819
        ;;
1820
        # targets that do support conditional mov (cmov)
1821
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1822
            add_cflags -march=$cpu
1823
            enable cmov
1824
            enable fast_cmov
1825
        ;;
1826
        # targets that do support conditional mov but on which it's slow
1827
        pentium4|pentium4m|prescott|nocona)
1828
            add_cflags -march=$cpu
1829
            enable cmov
1830
            disable fast_cmov
1831
        ;;
1832
        sparc64)
1833
            add_cflags -mcpu=v9
1834
        ;;
1835
        arm11*|cortex*)
1836
            add_cflags -mcpu=$cpu
1837
            enable fast_unaligned
1838
        ;;
1839
        armv*)
1840
            add_cflags -march=$cpu
1841
        ;;
1842
        arm*)
1843
            add_cflags -mcpu=$cpu
1844
        ;;
1845
        ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1846
            enabled ccc && add_cflags -arch $cpu || add_cflags -mcpu=$cpu
1847
        ;;
1848
        bf*)
1849
            add_cflags -mcpu=$cpu
1850
        ;;
1851
        mips*|[45]k*|[237]4k*|m4k|r*000|loongson2[ef])
1852
            add_cflags -march=$cpu
1853
        ;;
1854
        *)
1855
            echo "WARNING: Unknown CPU \"$cpu\", ignored."
1856
        ;;
1857
    esac
1858
fi
1859

    
1860
check_cc <<EOF || die "Symbol mangling check failed."
1861
int ff_extern;
1862
EOF
1863
sym=$($nm -P -g $TMPO | grep ff_extern)
1864
extern_prefix=${sym%%ff_extern*}
1865

    
1866
check_cc <<EOF && enable inline_asm
1867
void foo(void) { __asm__ volatile ("" ::); }
1868
EOF
1869

    
1870
if enabled x86; then
1871
    # check whether EBP is available on x86
1872
    # As 'i' is stored on the stack, this program will crash
1873
    # if the base pointer is used to access it because the
1874
    # base pointer is cleared in the inline assembly code.
1875
    check_exec_crash <<EOF && enable ebp_available
1876
    volatile int i=0;
1877
    __asm__ volatile (
1878
        "xorl %%ebp, %%ebp"
1879
    ::: "%ebp");
1880
    return i;
1881
EOF
1882

    
1883
    # check wether EBX is available on x86
1884
    check_asm ebx_available '"":::"%ebx"'
1885

    
1886
    # check whether more than 10 operands are supported
1887
    check_cc <<EOF && enable ten_operands
1888
int main(void) {
1889
    int x=0;
1890
    __asm__ volatile(
1891
        ""
1892
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
1893
    );
1894
    return 0;
1895
}
1896
EOF
1897

    
1898
    # check whether binutils is new enough to compile SSSE3/MMX2
1899
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1900
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
1901

    
1902
    check_asm bswap '"bswap %%eax" ::: "%eax"'
1903

    
1904
    YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
1905
    enabled     x86_64        && append YASMFLAGS "-m amd64"
1906
    enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1907
    case "$objformat" in
1908
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1909
        macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
1910
        *)                    append YASMFLAGS "-DPREFIX"  ;;
1911
    esac
1912
    disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
1913
fi
1914

    
1915
# check for assembler specific support
1916

    
1917
enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
1918
enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
1919
enabled ppc && check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
1920

    
1921
# check for SIMD availability
1922

    
1923
# AltiVec flags: The FSF version of GCC differs from the Apple version
1924
if enabled altivec; then
1925
    check_cflags -maltivec -mabi=altivec &&
1926
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1927
        check_cflags -faltivec
1928

    
1929
    # check if our compiler supports Motorola AltiVec C API
1930
    check_cc <<EOF || disable altivec
1931
$inc_altivec_h
1932
int main(void) {
1933
    vector signed int v1, v2, v3;
1934
    v1 = vec_add(v2,v3);
1935
    return 0;
1936
}
1937
EOF
1938

    
1939
    # check if our compiler supports braces for vector declarations
1940
    check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1941
$inc_altivec_h
1942
int main (void) { (vector int) {1}; return 0; }
1943
EOF
1944
fi
1945

    
1946
# We have to check if pld is a nop and disable it.
1947
enabled arm     && check_asm pld     '"pld [r0]"'
1948
enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1949
enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
1950
enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
1951
enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
1952
enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
1953
enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
1954
enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
1955
enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1956

    
1957
enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
1958

    
1959
# ---
1960
# big/little-endian test
1961
check_cc <<EOF || die "endian test failed"
1962
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1963
EOF
1964
od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1965

    
1966
# ---
1967
# check availability of some header files
1968

    
1969
if check_func dlopen; then
1970
    ldl=
1971
elif check_func dlopen -ldl; then
1972
    ldl=-ldl
1973
fi
1974

    
1975
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
1976
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
1977

    
1978
check_func  fork
1979
check_func  gethrtime
1980
check_func  getrusage
1981
check_func  inet_aton $network_extralibs
1982
check_func  memalign
1983
check_func  mkstemp
1984
check_func  posix_memalign
1985
check_func_headers io.h setmode
1986
check_func_headers lzo/lzo1x.h lzo1x_999_compress
1987
check_func_headers windows.h GetProcessTimes
1988
check_func_headers windows.h VirtualAlloc
1989

    
1990
check_header conio.h
1991
check_header dlfcn.h
1992
check_header malloc.h
1993
check_header poll.h
1994
check_header sys/mman.h
1995
check_header sys/resource.h
1996
check_header sys/select.h
1997
check_header termios.h
1998
check_header vdpau/vdpau.h
1999
check_header vdpau/vdpau_x11.h
2000
check_header X11/extensions/XvMClib.h
2001

    
2002
if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
2003
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2004
fi
2005

    
2006
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2007
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2008

    
2009
# check for some common methods of building with pthread support
2010
# do this before the optional library checks as some of them require pthreads
2011
if enabled pthreads; then
2012
    if check_func pthread_create; then
2013
        :
2014
    elif check_func pthread_create -pthread; then
2015
        add_cflags -pthread
2016
        add_extralibs -pthread
2017
    elif check_func pthread_create -pthreads; then
2018
        add_cflags -pthreads
2019
        add_extralibs -pthreads
2020
    elif check_func pthread_create -lpthreadGC2; then
2021
        add_extralibs -lpthreadGC2
2022
    elif ! check_lib pthread.h pthread_create -lpthread; then
2023
        die "ERROR: can't find pthreads library"
2024
    fi
2025
fi
2026

    
2027
for thread in $THREADS_LIST; do
2028
    if enabled $thread; then
2029
        test -n "$thread_type" &&
2030
            die "ERROR: Only one thread type must be selected." ||
2031
            thread_type="$thread"
2032
    fi
2033
done
2034

    
2035
check_lib math.h sin -lm
2036
check_lib va/va.h vaInitialize -lva
2037

    
2038
# test for C99 functions in math.h
2039
for func in llrint lrint lrintf round roundf truncf; do
2040
    check_exec <<EOF && enable $func || disable $func
2041
#include <math.h>
2042
int main(void) { return ($func(3.999f) > 0)?0:1; }
2043
EOF
2044
done
2045

    
2046
# these are off by default, so fail if requested and not available
2047
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2048
enabled libamr_nb  && require  libamrnb amrnb/interf_dec.h Decoder_Interface_init -lamrnb -lm
2049
enabled libamr_wb  && require  libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
2050
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2051
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2052
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
2053
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2054
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2055
enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
2056
enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2057
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2058
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2059
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2060
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2061
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2062
enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
2063
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2064
enabled libx264    && require  libx264 x264.h x264_encoder_open -lx264 -lm &&
2065
                      { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2066
                        die "ERROR: libx264 version must be >= 0.65."; }
2067
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2068
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2069

    
2070
# libdc1394 check
2071
if enabled libdc1394; then
2072
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2073
        enable libdc1394_2; } ||
2074
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2075
        enable libdc1394_1; } ||
2076
    die "ERROR: No version of libdc1394 found "
2077
fi
2078

    
2079

    
2080
_restrict=
2081
for restrict_keyword in restrict __restrict__ __restrict; do
2082
    check_cc <<EOF && _restrict=$restrict_keyword && break
2083
void foo(char * $restrict_keyword p);
2084
EOF
2085
done
2086

    
2087
##########################################
2088
# SDL check
2089

    
2090
disable sdl_too_old
2091
disable sdl
2092
SDL_CONFIG="${cross_prefix}sdl-config"
2093
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2094
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2095
    temp_cflags $sdl_cflags
2096
    temp_extralibs $("${SDL_CONFIG}" --libs)
2097
    if check_lib2 SDL.h SDL_Init; then
2098
        _sdlversion=$("${SDL_CONFIG}" --version | sed 's/[^0-9]//g')
2099
        if test "$_sdlversion" -lt 121 ; then
2100
            enable sdl_too_old
2101
        else
2102
            enable sdl
2103
            check_cc $sdl_cflags <<EOF && enable sdl_video_size
2104
#include <SDL.h>
2105
int main(int argc, char **argv){
2106
    const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2107
    int w = vi->current_w;
2108
    return 0;
2109
}
2110
EOF
2111
        fi
2112
    fi
2113
    restore_flags
2114
fi
2115

    
2116
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2117

    
2118
##########################################
2119
# Network check
2120

    
2121
if enabled network; then
2122
    check_type "sys/types.h sys/socket.h" socklen_t
2123
    # Prefer arpa/inet.h over winsock2
2124
    if check_header arpa/inet.h ; then
2125
        check_func closesocket
2126
    elif check_header winsock2.h ; then
2127
        network_extralibs="-lws2_32"
2128
        check_type ws2tcpip.h socklen_t
2129
        check_func_headers winsock2.h closesocket
2130
    fi
2131
fi
2132

    
2133
##########################################
2134
# IPv6 check
2135

    
2136
enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
2137
#include <sys/types.h>
2138
#include <sys/socket.h>
2139
#include <netinet/in.h>
2140
#include <netdb.h>
2141
int main(void) {
2142
    struct sockaddr_storage saddr;
2143
    struct ipv6_mreq mreq6;
2144
    getaddrinfo(0,0,0,0);
2145
    getnameinfo(0,0,0,0,0,0,0);
2146
    IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2147
}
2148
EOF
2149

    
2150
check_header linux/videodev.h
2151
check_header linux/videodev2.h
2152
check_header sys/videoio.h
2153

    
2154
check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2155

    
2156
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2157
{ check_header dev/bktr/ioctl_meteor.h &&
2158
  check_header dev/bktr/ioctl_bt848.h; } ||
2159
{ check_header machine/ioctl_meteor.h &&
2160
  check_header machine/ioctl_bt848.h; } ||
2161
{ check_header dev/video/meteor/ioctl_meteor.h &&
2162
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2163
check_header dev/ic/bt8xx.h
2164

    
2165
check_header sys/soundcard.h
2166
check_header soundcard.h
2167

    
2168
check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2169

    
2170
check_lib2 jack/jack.h jack_client_open -ljack
2171

    
2172
# deal with the X11 frame grabber
2173
enabled x11grab                         &&
2174
check_header X11/Xlib.h                 &&
2175
check_header X11/extensions/XShm.h      &&
2176
check_func XOpenDisplay -lX11           &&
2177
check_func XShmCreateImage -lX11 -lXext
2178

    
2179
enabled debug && add_cflags -g"$debuglevel"
2180

    
2181
# add some useful compiler flags if supported
2182
check_cflags -Wdeclaration-after-statement
2183
check_cflags -Wall
2184
check_cflags -Wno-switch
2185
check_cflags -Wdisabled-optimization
2186
check_cflags -Wpointer-arith
2187
check_cflags -Wredundant-decls
2188
check_cflags -Wno-pointer-sign
2189
check_cflags -Wcast-qual
2190
check_cflags -Wwrite-strings
2191
check_cflags -Wtype-limits
2192
check_cflags -Wundef
2193
enabled extra_warnings && check_cflags -Winline
2194

    
2195
# add some linker flags
2196
check_ldflags -Wl,--warn-common
2197
check_ldflags -Wl,--as-needed
2198
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'
2199
check_ldflags -Wl,-Bsymbolic
2200

    
2201
if enabled small; then
2202
    check_cflags -Os            # not all compilers support -Os
2203
    optimizations="small"
2204
elif enabled optimizations; then
2205
    if enabled xlc; then
2206
        add_cflags  -O5
2207
        add_ldflags -O5
2208
    elif enabled ccc; then
2209
        add_cflags -fast
2210
    else
2211
        add_cflags -O3
2212
    fi
2213
fi
2214
check_cflags -fno-math-errno
2215
check_cflags -fno-signed-zeros
2216

    
2217
# add some flags for Intel C Compiler
2218
if enabled icc; then
2219
    # Just warnings, no remarks
2220
    check_cflags -w1
2221
    # -wd: Disable following warnings
2222
    # 144, 167, 556: -Wno-pointer-sign
2223
    # 10006: ignoring unknown option -fno-signed-zeros
2224
    # 10156: ignoring option '-W'; no argument required
2225
    check_cflags -wd144,167,556,10006,10156
2226
    # 11030: Warning unknown option --as-needed
2227
    # 10156: ignoring option '-export'; no argument required
2228
    check_ldflags -wd10156,11030
2229
    # Allow to compile with optimizations
2230
    check_ldflags -march=$cpu
2231
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2232
    enable ebp_available
2233
elif enabled ccc; then
2234
    # disable some annoying warnings
2235
    add_cflags -msg_disable cvtu32to64
2236
    add_cflags -msg_disable embedcomment
2237
    add_cflags -msg_disable needconstext
2238
    add_cflags -msg_disable nomainieee
2239
    add_cflags -msg_disable ptrmismatch1
2240
    add_cflags -msg_disable unreachcode
2241
fi
2242

    
2243
# PIC flags for shared library objects where they are needed
2244
if enabled shared; then
2245
    # LIBOBJFLAGS may have already been set in the OS configuration
2246
    if test -z "$LIBOBJFLAGS" ; then
2247
        case "${subarch-$arch}" in
2248
            x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2249
        esac
2250
    fi
2251
fi
2252

    
2253
if enabled gprof; then
2254
    add_cflags  -p
2255
    add_ldflags -p
2256
fi
2257

    
2258
# Find out if the .align argument is a power of two or not.
2259
check_asm asmalign_pot '".align 3"'
2260

    
2261
enabled_any $DECODER_LIST      && enable decoders
2262
enabled_any $ENCODER_LIST      && enable encoders
2263
enabled_any $HWACCEL_LIST      && enable hwaccels
2264
enabled_any $BSF_LIST          && enable bsfs
2265
enabled_any $DEMUXER_LIST      && enable demuxers
2266
enabled_any $MUXER_LIST        && enable muxers
2267
enabled_any $FILTER_LIST       && enable filters
2268
enabled_any $INDEV_LIST        && enable demuxers
2269
enabled_any $OUTDEV_LIST       && enable muxers
2270
enabled_any $PROTOCOL_LIST     && enable protocols
2271

    
2272
enabled_any $THREADS_LIST      && enable threads
2273

    
2274
check_deps $CONFIG_LIST       \
2275
           $CONFIG_EXTRA      \
2276
           $HAVE_LIST         \
2277
           $DECODER_LIST      \
2278
           $ENCODER_LIST      \
2279
           $HWACCEL_LIST      \
2280
           $PARSER_LIST       \
2281
           $BSF_LIST          \
2282
           $DEMUXER_LIST      \
2283
           $MUXER_LIST        \
2284
           $FILTER_LIST       \
2285
           $INDEV_LIST        \
2286
           $OUTDEV_LIST       \
2287
           $PROTOCOL_LIST     \
2288

    
2289
echo "install prefix            $prefix"
2290
echo "source path               $source_path"
2291
echo "C compiler                $cc"
2292
echo ".align is power-of-two    $asmalign_pot"
2293
echo "ARCH                      $arch ($cpu)"
2294
if test "$build_suffix" != ""; then
2295
    echo "build suffix              $build_suffix"
2296
fi
2297
if test "$extra_version" != ""; then
2298
    echo "version string suffix     $extra_version"
2299
fi
2300
echo "big-endian                ${bigendian-no}"
2301
echo "runtime cpu detection     ${runtime_cpudetect-no}"
2302
if enabled x86; then
2303
    echo "yasm                      ${yasm-no}"
2304
    echo "MMX enabled               ${mmx-no}"
2305
    echo "MMX2 enabled              ${mmx2-no}"
2306
    echo "3DNow! enabled            ${amd3dnow-no}"
2307
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
2308
    echo "SSE enabled               ${sse-no}"
2309
    echo "SSSE3 enabled             ${ssse3-no}"
2310
    echo "CMOV enabled              ${cmov-no}"
2311
    echo "CMOV is fast              ${fast_cmov-no}"
2312
    echo "EBX available             ${ebx_available-no}"
2313
    echo "EBP available             ${ebp_available-no}"
2314
    echo "10 operands supported     ${ten_operands-no}"
2315
fi
2316
if enabled arm; then
2317
    echo "ARMv5TE enabled           ${armv5te-no}"
2318
    echo "ARMv6 enabled             ${armv6-no}"
2319
    echo "ARMv6T2 enabled           ${armv6t2-no}"
2320
    echo "ARM VFP enabled           ${armvfp-no}"
2321
    echo "IWMMXT enabled            ${iwmmxt-no}"
2322
    echo "NEON enabled              ${neon-no}"
2323
fi
2324
if enabled mips; then
2325
    echo "MMI enabled               ${mmi-no}"
2326
fi
2327
if enabled ppc; then
2328
    echo "AltiVec enabled           ${altivec-no}"
2329
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
2330
    echo "dcbzl available           ${dcbzl-no}"
2331
    echo "performance report        ${powerpc_perf-no}"
2332
fi
2333
if enabled sparc; then
2334
    echo "VIS enabled               ${vis-no}"
2335
fi
2336
echo "gprof enabled             ${gprof-no}"
2337
echo "debug symbols             ${debug-no}"
2338
echo "strip symbols             ${stripping-no}"
2339
echo "optimizations             ${optimizations-no}"
2340
echo "static                    ${static-no}"
2341
echo "shared                    ${shared-no}"
2342
echo "postprocessing support    ${postproc-no}"
2343
echo "new filter support        ${avfilter-no}"
2344
echo "filters using lavformat   ${avfilter_lavf-no}"
2345
echo "network support           ${network-no}"
2346
if enabled network; then
2347
    echo "IPv6 support              ${ipv6-no}"
2348
fi
2349
echo "threading support         ${thread_type-no}"
2350
echo "SDL support               ${sdl-no}"
2351
if enabled sdl_too_old; then
2352
    echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2353
fi
2354
echo "Sun medialib support      ${mlib-no}"
2355
echo "AVISynth enabled          ${avisynth-no}"
2356
echo "libamr-nb support         ${libamr_nb-no}"
2357
echo "libamr-wb support         ${libamr_wb-no}"
2358
echo "libdc1394 support         ${libdc1394-no}"
2359
echo "libdirac enabled          ${libdirac-no}"
2360
echo "libfaac enabled           ${libfaac-no}"
2361
echo "libfaad enabled           ${libfaad-no}"
2362
echo "libfaad dlopened          ${libfaadbin-no}"
2363
echo "libgsm enabled            ${libgsm-no}"
2364
echo "libmp3lame enabled        ${libmp3lame-no}"
2365
echo "libnut enabled            ${libnut-no}"
2366
echo "libopenjpeg enabled       ${libopenjpeg-no}"
2367
echo "libschroedinger enabled   ${libschroedinger-no}"
2368
echo "libspeex enabled          ${libspeex-no}"
2369
echo "libtheora enabled         ${libtheora-no}"
2370
echo "libvorbis enabled         ${libvorbis-no}"
2371
echo "libx264 enabled           ${libx264-no}"
2372
echo "libxvid enabled           ${libxvid-no}"
2373
echo "zlib enabled              ${zlib-no}"
2374
echo "bzlib enabled             ${bzlib-no}"
2375
echo
2376

    
2377
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2378
    echo "Enabled ${type}s:"
2379
    eval list=\$$(toupper $type)_LIST
2380
    for part in $list; do
2381
        enabled $part && echo ${part%_*}
2382
    done | sort | pr -3 -t
2383
    echo
2384
done
2385

    
2386
license="LGPL version 2.1 or later"
2387
if enabled nonfree; then
2388
    license="nonfree and unredistributable"
2389
elif enabled gpl; then
2390
    license="GPL version 2 or later"
2391
fi
2392

    
2393
echo "License: $license"
2394

    
2395
echo "Creating config.mak and config.h..."
2396

    
2397
echo "# Automatically generated by configure - do not modify!" > config.mak
2398
echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2399
echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2400
echo "#define FFMPEG_CONFIG_H" >> $TMPH
2401
echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2402
echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2403

    
2404
echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2405
echo "prefix=$prefix" >> config.mak
2406
echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2407
echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2408
echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2409
echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2410
echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2411
echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2412
echo "SRC_PATH=\"$source_path\"" >> config.mak
2413
echo "SRC_PATH_BARE=$source_path" >> config.mak
2414
echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2415
echo "CC=$cc" >> config.mak
2416
echo "AS=$as" >> config.mak
2417
echo "YASM=$yasmexe" >> config.mak
2418
echo "AR=$ar" >> config.mak
2419
echo "RANLIB=$ranlib" >> config.mak
2420
echo "LN_S=$ln_s" >> config.mak
2421
enabled stripping &&
2422
    echo "STRIP=$strip" >> config.mak ||
2423
    echo "STRIP=echo ignoring strip" >> config.mak
2424

    
2425
echo "OPTFLAGS=$CFLAGS" >> config.mak
2426
echo "LDFLAGS=$LDFLAGS" >> config.mak
2427
echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2428
echo "SHFLAGS=$SHFLAGS" >> config.mak
2429
echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2430
echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2431
echo "BUILD_STATIC=$static" >> config.mak
2432
echo "BUILDSUF=$build_suffix" >> config.mak
2433
echo "FULLNAME=$FULLNAME" >> config.mak
2434
echo "LIBPREF=$LIBPREF" >> config.mak
2435
echo "LIBSUF=$LIBSUF" >> config.mak
2436
echo "LIBNAME=$LIBNAME" >> config.mak
2437
echo "SLIBPREF=$SLIBPREF" >> config.mak
2438
echo "SLIBSUF=$SLIBSUF" >> config.mak
2439
echo "EXESUF=$EXESUF" >> config.mak
2440
echo "EXTRA_VERSION=$extra_version" >> config.mak
2441
echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2442
echo "HOSTCC=$host_cc" >> config.mak
2443
echo "HOSTCFLAGS=$host_cflags" >> config.mak
2444
echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2445
echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2446
echo "HOSTLIBS=$host_libs" >> config.mak
2447
echo "TARGET_EXEC=$target_exec" >> config.mak
2448
echo "TARGET_PATH=$target_path" >> config.mak
2449

    
2450
if enabled bigendian; then
2451
    echo "WORDS_BIGENDIAN=yes" >> config.mak
2452
    echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2453
fi
2454

    
2455
if enabled sdl; then
2456
    echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
2457
    echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
2458
fi
2459
if enabled texi2html; then
2460
    echo "BUILD_DOC=yes" >> config.mak
2461
fi
2462

    
2463
get_version(){
2464
    name=$1
2465
    file=$source_path/$2
2466
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2467
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2468
    lcname=$(tolower $name)
2469
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2470
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2471
}
2472

    
2473
get_version LIBSWSCALE  libswscale/swscale.h
2474
get_version LIBPOSTPROC libpostproc/postprocess.h
2475
get_version LIBAVCODEC  libavcodec/avcodec.h
2476
get_version LIBAVDEVICE libavdevice/avdevice.h
2477
get_version LIBAVFORMAT libavformat/avformat.h
2478
get_version LIBAVUTIL   libavutil/avutil.h
2479
get_version LIBAVFILTER libavfilter/avfilter.h
2480

    
2481
if enabled shared; then
2482
    echo "BUILD_SHARED=yes" >> config.mak
2483
    echo "PIC=-fPIC -DPIC" >> config.mak
2484
    echo "LIBTARGET=${LIBTARGET}" >> config.mak
2485
    echo "SLIBNAME=${SLIBNAME}" >> config.mak
2486
    echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2487
    echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2488
    echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2489
    echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2490
    echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2491
    echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2492
fi
2493
echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2494
echo "EXTRALIBS=$extralibs" >> config.mak
2495

    
2496
echo "ARCH=$arch" >> config.mak
2497

    
2498
print_config ARCH_   $TMPH config.mak $ARCH_LIST
2499
print_config HAVE_   $TMPH config.mak $HAVE_LIST
2500
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2501
                                      $CONFIG_EXTRA      \
2502
                                      $DECODER_LIST      \
2503
                                      $ENCODER_LIST      \
2504
                                      $HWACCEL_LIST      \
2505
                                      $PARSER_LIST       \
2506
                                      $BSF_LIST          \
2507
                                      $DEMUXER_LIST      \
2508
                                      $MUXER_LIST        \
2509
                                      $FILTER_LIST       \
2510
                                      $PROTOCOL_LIST     \
2511
                                      $INDEV_LIST        \
2512
                                      $OUTDEV_LIST       \
2513

    
2514
echo "#define restrict $_restrict" >> $TMPH
2515

    
2516
if enabled small; then
2517
    echo "#define av_always_inline"  >> $TMPH
2518
fi
2519

    
2520

    
2521
# Apparently it's not possible to portably echo a backslash.
2522
enabled asmalign_pot &&
2523
    printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2524
    printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2525

    
2526
echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2527

    
2528
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2529

    
2530
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2531
cmp -s $TMPH config.h &&
2532
    echo "config.h is unchanged" ||
2533
    mv -f $TMPH config.h
2534

    
2535
# build tree in object directory if source path is different from current one
2536
if enabled source_path_used; then
2537
    DIRS="\
2538
        doc               \
2539
        libavcodec        \
2540
        libavcodec/alpha  \
2541
        libavcodec/arm    \
2542
        libavcodec/bfin   \
2543
        libavcodec/mlib   \
2544
        libavcodec/ppc    \
2545
        libavcodec/sh4    \
2546
        libavcodec/sparc  \
2547
        libavcodec/x86    \
2548
        libavdevice       \
2549
        libavfilter       \
2550
        libavformat       \
2551
        libavutil         \
2552
        libpostproc       \
2553
        libswscale        \
2554
        libswscale/bfin   \
2555
        libswscale/mlib   \
2556
        libswscale/ppc    \
2557
        libswscale/sparc  \
2558
        libswscale/x86    \
2559
        tests             \
2560
        tools             \
2561
        "
2562
    FILES="\
2563
        Makefile             \
2564
        common.mak           \
2565
        subdir.mak           \
2566
        doc/texi2pod.pl      \
2567
        libavcodec/Makefile  \
2568
        libavdevice/Makefile \
2569
        libavfilter/Makefile \
2570
        libavformat/Makefile \
2571
        libavutil/Makefile   \
2572
        libpostproc/Makefile \
2573
        libswscale/Makefile  \
2574
        "
2575
    for dir in $DIRS ; do
2576
        mkdir -p $dir
2577
    done
2578
    for f in $FILES ; do
2579
        $ln_s "$source_path/$f" $f
2580
    done
2581
fi
2582

    
2583

    
2584
# build pkg-config files
2585

    
2586
pkgconfig_generate(){
2587
name=$1
2588
shortname=${name#lib}${build_suffix}
2589
comment=$2
2590
version=$3
2591
libs=$4
2592
requires=$5
2593
cat <<EOF > $name/$name.pc
2594
prefix=$prefix
2595
exec_prefix=\${prefix}
2596
libdir=$libdir
2597
includedir=$incdir
2598

    
2599
Name: $name
2600
Description: $comment
2601
Version: $version
2602
Requires: $(disabled shared && echo $requires)
2603
Requires.private: $(enabled shared && echo $requires)
2604
Conflicts:
2605
Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2606
Libs.private: $(enabled shared && echo $libs)
2607
Cflags: -I\${includedir}
2608
EOF
2609
cat <<EOF > $name/$name-uninstalled.pc
2610
prefix=
2611
exec_prefix=
2612
libdir=\${pcfiledir}
2613
includedir=${source_path}
2614

    
2615
Name: $name
2616
Description: $comment
2617
Version: $version
2618
Requires: $requires
2619
Conflicts:
2620
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2621
Cflags: -I\${includedir}
2622
EOF
2623
}
2624

    
2625
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2626
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2627
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2628
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2629
enabled avfilter &&
2630
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2631
enabled postproc &&
2632
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2633
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"