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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-swscale         enable GPLed software scaler support [no]"
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  echo "  --enable-avfilter        video filter support (replaces vhook) [no]"
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  echo "  --enable-avfilter-lavf   video filters dependent on avformat [no]"
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  echo "  --disable-vhook          disable video hooking support"
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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 "  --enable-vdpau           enable VDPAU support [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 "  --enable-fastdiv         enable 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-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-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-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 "  --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 [$arch]"
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  echo "  --cpu=CPU                select the minimum required CPU (affects"
195
  echo "                           instruction selection, may crash on older CPUs)"
196
  echo "  --enable-powerpc-perf    enable performance report on PPC"
197
  echo "                           (requires enabling PMC)"
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  echo "  --disable-altivec        disable AltiVec optimizations"
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  echo "  --disable-amd3dnow       disable 3DNow! optimizations"
200
  echo "  --disable-amd3dnowext    disable 3DNow! extended optimizations"
201
  echo "  --disable-mmx            disable MMX optimizations"
202
  echo "  --disable-mmx2           disable MMX2 optimizations"
203
  echo "  --disable-sse            disable SSE optimizations"
204
  echo "  --disable-ssse3          disable SSSE3 optimizations"
205
  echo "  --disable-armv5te        disable armv5te optimizations"
206
  echo "  --disable-armv6          disable armv6 optimizations"
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  echo "  --disable-armv6t2        disable armv6t2 optimizations"
208
  echo "  --disable-armvfp         disable ARM VFP optimizations"
209
  echo "  --disable-iwmmxt         disable iwmmxt optimizations"
210
  echo "  --disable-mmi            disable MMI optimizations"
211
  echo "  --disable-neon           disable neon optimizations"
212
  echo "  --disable-vis            disable VIS optimizations"
213
  echo "  --disable-yasm           disable use of yasm assembler"
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  echo
215
  echo "Developer options (useful when working on FFmpeg itself):"
216
  echo "  --disable-debug          disable debugging symbols"
217
  echo "  --enable-debug=LEVEL     set the debug level [$debuglevel]"
218
  echo "  --enable-gprof           enable profiling with gprof [$gprof]"
219
  echo "  --disable-optimizations  disable compiler optimizations"
220
  echo "  --enable-extra-warnings  enable more compiler warnings"
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  echo "  --disable-stripping      disable stripping of executables and shared libraries"
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  echo ""
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  echo "NOTE: Object files are built at the place where configure is launched."
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  exit 0
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}
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227
log(){
228
    echo "$@" >> $logfile
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}
230

    
231
log_file(){
232
    log BEGIN $1
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    pr -n -t $1 >> $logfile
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    log END $1
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}
236

    
237
echolog(){
238
    log "$@"
239
    echo "$@"
240
}
241

    
242
die(){
243
    echolog "$@"
244
    cat <<EOF
245
If you think configure made a mistake, make sure you are using the latest
246
version from SVN.  If the latest version fails, report the problem to the
247
ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
248
EOF
249
    if disabled logging; then
250
        cat <<EOF
251
Rerun configure with logging enabled (do not use --disable-logging), and
252
include the log this produces with your report.
253
EOF
254
    else
255
cat <<EOF
256
Include the log file "$logfile" produced by configure as this will help
257
solving the problem.
258
EOF
259
    fi
260
    rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
261
    exit 1
262
}
263

    
264
# Avoid locale weirdness, besides we really just want to translate ASCII.
265
toupper(){
266
    echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
267
}
268

    
269
tolower(){
270
    echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
271
}
272

    
273
c_escape(){
274
    echo "$*" | sed 's/["\\]/\\\0/g'
275
}
276

    
277
set_all(){
278
    value=$1
279
    shift
280
    for var in $*; do
281
        eval $var=$value
282
    done
283
}
284

    
285
set_weak(){
286
    value=$1
287
    shift
288
    for var; do
289
        eval : \${$var:=$value}
290
    done
291
}
292

    
293
pushvar(){
294
    for var in $*; do
295
        eval level=\${${var}_level:=0}
296
        eval ${var}_${level}="\$$var"
297
        eval ${var}_level=$(($level+1))
298
    done
299
}
300

    
301
popvar(){
302
    for var in $*; do
303
        eval level=\${${var}_level:-0}
304
        test $level = 0 && continue
305
        eval level=$(($level-1))
306
        eval $var="\${${var}_${level}}"
307
        eval ${var}_level=$level
308
        eval unset ${var}_${level}
309
    done
310
}
311

    
312
enable(){
313
    set_all yes $*
314
}
315

    
316
disable(){
317
    set_all no $*
318
}
319

    
320
enable_weak(){
321
    set_weak yes $*
322
}
323

    
324
disable_weak(){
325
    set_weak no $*
326
}
327

    
328
enable_safe(){
329
    enable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
330
}
331

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

    
336
do_enable_deep(){
337
    for var; do
338
        enabled $var && continue
339
        eval sel="\$${var}_select"
340
        eval sgs="\$${var}_suggest"
341
        pushvar var sgs
342
        enable_deep $sel
343
        popvar sgs
344
        enable_deep_weak $sgs
345
        popvar var
346
    done
347
}
348

    
349
enable_deep(){
350
    do_enable_deep $*
351
    enable $*
352
}
353

    
354
enable_deep_weak(){
355
    do_enable_deep $*
356
    enable_weak $*
357
}
358

    
359
enabled(){
360
    test "${1#!}" = "$1" && op== || op=!=
361
    eval test "x\$${1#!}" $op "xyes"
362
}
363

    
364
disabled(){
365
    test "${1#!}" = "$1" && op== || op=!=
366
    eval test "x\$${1#!}" $op "xno"
367
}
368

    
369
enabled_all(){
370
    for opt; do
371
        enabled $opt || return 1
372
    done
373
}
374

    
375
disabled_all(){
376
    for opt; do
377
        disabled $opt || return 1
378
    done
379
}
380

    
381
enabled_any(){
382
    for opt; do
383
        enabled $opt && return 0
384
    done
385
}
386

    
387
disabled_any(){
388
    for opt; do
389
        disabled $opt && return 0
390
    done
391
    return 1
392
}
393

    
394
set_default(){
395
    for opt; do
396
        eval : \${$opt:=\$${opt}_default}
397
    done
398
}
399

    
400
is_in(){
401
    value=$1
402
    shift
403
    for var in $*; do
404
        [ $var = $value ] && return 0
405
    done
406
    return 1
407
}
408

    
409
check_deps(){
410
    for cfg; do
411
        cfg="${cfg#!}"
412
        enabled ${cfg}_checking && die "Circular dependency for $cfg."
413
        disabled ${cfg}_checking && continue
414
        enable ${cfg}_checking
415

    
416
        eval dep_all="\$${cfg}_deps"
417
        eval dep_any="\$${cfg}_deps_any"
418
        eval dep_sel="\$${cfg}_select"
419
        eval dep_sgs="\$${cfg}_suggest"
420

    
421
        pushvar cfg dep_all dep_any dep_sel dep_sgs
422
        check_deps $dep_all $dep_any $dep_sel $dep_sgs
423
        popvar cfg dep_all dep_any dep_sel dep_sgs
424

    
425
        enabled_all  $dep_all || disable $cfg
426
        enabled_any  $dep_any || disable $cfg
427
        disabled_any $dep_sel && disable $cfg
428

    
429
        if enabled $cfg; then
430
            eval dep_extralibs="\$${cfg}_extralibs"
431
            test -n "$dep_extralibs" && add_extralibs $dep_extralibs
432
            enable_deep $dep_sel
433
            enable_deep_weak $dep_sgs
434
        fi
435

    
436
        disable ${cfg}_checking
437
    done
438
}
439

    
440
print_config(){
441
    pfx=$1
442
    header=$2
443
    makefile=$3
444
    shift 3
445
    for cfg; do
446
        ucname="`toupper $cfg`"
447
        if enabled $cfg; then
448
            echo "#define ${pfx}${ucname} 1" >> $header
449
            echo "${pfx}${ucname}=yes" >> $makefile
450
        else
451
            echo "#define ${pfx}${ucname} 0" >> $header
452
        fi
453
    done
454
}
455

    
456
flags_saved(){
457
    (: ${SAVE_CFLAGS?}) 2> /dev/null
458
}
459

    
460
save_flags(){
461
    flags_saved && return
462
    SAVE_CFLAGS="$CFLAGS"
463
    SAVE_LDFLAGS="$LDFLAGS"
464
    SAVE_extralibs="$extralibs"
465
}
466

    
467
restore_flags(){
468
    flags_saved || return
469
    CFLAGS="$SAVE_CFLAGS"
470
    LDFLAGS="$SAVE_LDFLAGS"
471
    extralibs="$SAVE_extralibs"
472
    unset SAVE_CFLAGS
473
    unset SAVE_LDFLAGS
474
    unset SAVE_extralibs
475
}
476

    
477
temp_cflags(){
478
    save_flags
479
    CFLAGS="$CFLAGS $*"
480
}
481

    
482
temp_ldflags(){
483
    save_flags
484
    LDFLAGS="$LDFLAGS $*"
485
}
486

    
487
temp_extralibs(){
488
    save_flags
489
    extralibs="$extralibs $*"
490
}
491

    
492
append(){
493
    var=$1
494
    shift
495
    flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
496
    eval "$var=\"\$$var $*\""
497
}
498

    
499
add_cflags(){
500
    append CFLAGS "$@"
501
}
502

    
503
add_ldflags(){
504
    append LDFLAGS "$@"
505
}
506

    
507
add_extralibs(){
508
    append extralibs "$@"
509
}
510

    
511
check_cmd(){
512
    log "$@"
513
    "$@" >> $logfile 2>&1
514
}
515

    
516
check_cc(){
517
    log check_cc "$@"
518
    cat > $TMPC
519
    log_file $TMPC
520
    check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
521
}
522

    
523
check_cpp(){
524
    log check_cpp "$@"
525
    cat > $TMPC
526
    log_file $TMPC
527
    check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
528
}
529

    
530
check_asm(){
531
    log check_asm "$@"
532
    name="$1"
533
    asm="$2"
534
    shift 2
535
    check_cc "$@" <<EOF && enable $name || disable $name
536
void foo(void){ __asm__ volatile($asm); }
537
EOF
538
}
539

    
540
check_yasm(){
541
    log check_yasm "$@"
542
    echo "$1" > $TMPS
543
    log_file $TMPS
544
    shift 1
545
    check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
546
}
547

    
548
check_ld(){
549
    log check_ld "$@"
550
    check_cc || return
551
    flags=''
552
    libs=''
553
    for f; do
554
        test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
555
    done
556
    check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
557
}
558

    
559
check_cflags(){
560
    log check_cflags "$@"
561
    check_cc "$@" <<EOF && add_cflags "$@"
562
int x;
563
EOF
564
}
565

    
566
check_ldflags(){
567
    log check_ldflags "$@"
568
    check_ld "$@" <<EOF && add_ldflags "$@"
569
int main(void){ return 0; }
570
EOF
571
}
572

    
573
check_header(){
574
    log check_header "$@"
575
    header=$1
576
    shift
577
    check_cpp "$@" <<EOF && enable_safe $header || disable_safe $header
578
#include <$header>
579
int x;
580
EOF
581
}
582

    
583
check_func(){
584
    log check_func "$@"
585
    func=$1
586
    shift
587
    disable $func
588
    check_ld "$@" <<EOF && enable $func
589
extern int $func();
590
int main(void){ $func(); }
591
EOF
592
}
593

    
594
check_func_headers(){
595
    log check_func_headers "$@"
596
    headers=$1
597
    func=$2
598
    shift 2
599
    disable $func
600
    incs=""
601
    for hdr in $headers; do
602
        incs="$incs
603
#include <$hdr>"
604
    done
605
    check_ld "$@" <<EOF && enable $func
606
$incs
607
int main(int argc, char **argv){
608
    (void) $func;
609
    return 0;
610
}
611
EOF
612
}
613

    
614
check_cpp_condition(){
615
    log check_cpp_condition "$@"
616
    header=$1
617
    condition=$2
618
    check_cpp <<EOF
619
#include <$header>
620
#if !($condition)
621
#error "unsatisfied condition: $condition"
622
#endif
623
EOF
624
}
625

    
626
check_lib(){
627
    log check_lib "$@"
628
    header="$1"
629
    func="$2"
630
    shift 2
631
    temp_extralibs "$@"
632
    check_header $header && check_func $func && add_extralibs "$@"
633
    err=$?
634
    restore_flags
635
    return $err
636
}
637

    
638
check_lib2(){
639
    log check_lib2 "$@"
640
    headers="$1"
641
    func="$2"
642
    shift 2
643
    temp_extralibs "$@"
644
    check_func_headers "$headers" $func && add_extralibs "$@"
645
    err=$?
646
    restore_flags
647
    return $err
648
}
649

    
650
check_exec(){
651
    check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
652
}
653

    
654
check_exec_crash(){
655
    code=`cat`
656

    
657
    # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
658
    # are safe but may not be available everywhere.  Thus we use
659
    # raise(SIGTERM) instead.  The check is run in a subshell so we
660
    # can redirect the "Terminated" message from the shell.  SIGBUS
661
    # is not defined by standard C so it is used conditionally.
662

    
663
    (check_exec "$@") >> $logfile 2>&1 <<EOF
664
#include <signal.h>
665
static void sighandler(int sig){
666
    raise(SIGTERM);
667
}
668
int main(void){
669
    signal(SIGILL, sighandler);
670
    signal(SIGFPE, sighandler);
671
    signal(SIGSEGV, sighandler);
672
#ifdef SIGBUS
673
    signal(SIGBUS, sighandler);
674
#endif
675
    { $code }
676
}
677
EOF
678
}
679

    
680
check_type(){
681
    log check_type "$@"
682
    headers=$1
683
    type=$2
684
    shift 2
685
    disable $type
686
    incs=""
687
    for hdr in $headers; do
688
        incs="$incs
689
#include <$hdr>"
690
    done
691
    check_cc "$@" <<EOF && enable $type
692
$incs
693
$type v;
694
EOF
695
}
696

    
697
require(){
698
    name="$1"
699
    header="$2"
700
    func="$3"
701
    shift 3
702
    check_lib $header $func "$@" || die "ERROR: $name not found"
703
}
704

    
705
require2(){
706
    name="$1"
707
    headers="$2"
708
    func="$3"
709
    shift 3
710
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
711
}
712

    
713
check_foo_config(){
714
    cfg=$1
715
    pkg=$2
716
    header=$3
717
    func=$4
718
    shift 4
719
    disable $cfg
720
    check_cmd ${pkg}-config --version
721
    err=$?
722
    if test "$err" = 0; then
723
        temp_cflags `${pkg}-config --cflags`
724
        temp_extralibs `${pkg}-config --libs`
725
        check_lib "$@" $header $func && enable $cfg
726
    fi
727
    return $err
728
}
729

    
730
apply(){
731
    file=$1
732
    shift
733
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
734
}
735

    
736
# CONFIG_LIST contains configurable options, while HAVE_LIST is for
737
# system-dependent things.
738

    
739
COMPONENT_LIST="
740
    bsfs
741
    decoders
742
    demuxers
743
    encoders
744
    filters
745
    indevs
746
    muxers
747
    outdevs
748
    parsers
749
    protocols
750
"
751

    
752
CONFIG_LIST="
753
    $COMPONENT_LIST
754
    aandct
755
    avfilter
756
    avfilter_lavf
757
    avisynth
758
    beos_netserver
759
    bzlib
760
    fastdiv
761
    ffmpeg
762
    ffplay
763
    ffserver
764
    fft
765
    golomb
766
    gpl
767
    gprof
768
    gray
769
    hardcoded_tables
770
    ipv6
771
    libamr_nb
772
    libamr_wb
773
    libdc1394
774
    libdirac
775
    libfaac
776
    libfaad
777
    libfaadbin
778
    libgsm
779
    libmp3lame
780
    libnut
781
    libopenjpeg
782
    libschroedinger
783
    libspeex
784
    libtheora
785
    libvorbis
786
    libx264
787
    libxvid
788
    mdct
789
    memalign_hack
790
    mlib
791
    mpegaudio_hp
792
    network
793
    nonfree
794
    postproc
795
    powerpc_perf
796
    rdft
797
    shared
798
    small
799
    static
800
    swscale
801
    vdpau
802
    vhook
803
    x11grab
804
    zlib
805
"
806

    
807
THREADS_LIST='
808
    beosthreads
809
    os2threads
810
    pthreads
811
    w32threads
812
'
813

    
814
ARCH_LIST='
815
    alpha
816
    arm
817
    bfin
818
    ia64
819
    m68k
820
    mips
821
    parisc
822
    ppc
823
    s390
824
    sh4
825
    sparc
826
    sparc64
827
    x86
828
    x86_32
829
    x86_64
830
'
831

    
832
ARCH_EXT_LIST='
833
    altivec
834
    amd3dnow
835
    amd3dnowext
836
    armv5te
837
    armv6
838
    armv6t2
839
    armvfp
840
    iwmmxt
841
    mmi
842
    mmx
843
    mmx2
844
    neon
845
    ppc4xx
846
    sse
847
    ssse3
848
    vis
849
'
850

    
851
HAVE_LIST="
852
    $ARCH_EXT_LIST
853
    $THREADS_LIST
854
    alsa_asoundlib_h
855
    altivec_h
856
    arpa_inet_h
857
    bswap
858
    closesocket
859
    cmov
860
    conio_h
861
    dcbzl
862
    dev_bktr_ioctl_bt848_h
863
    dev_bktr_ioctl_meteor_h
864
    dev_ic_bt8xx_h
865
    dev_video_meteor_ioctl_meteor_h
866
    dev_video_bktr_ioctl_bt848_h
867
    dlfcn_h
868
    dlopen
869
    dos_paths
870
    ebp_available
871
    ebx_available
872
    fast_64bit
873
    fast_cmov
874
    fast_unaligned
875
    fork
876
    freetype2
877
    gethrtime
878
    GetProcessTimes
879
    getrusage
880
    imlib2
881
    inet_aton
882
    inline_asm
883
    libdc1394_1
884
    libdc1394_2
885
    llrint
886
    lrint
887
    lrintf
888
    machine_ioctl_bt848_h
889
    machine_ioctl_meteor_h
890
    malloc_h
891
    memalign
892
    mkstemp
893
    pld
894
    posix_memalign
895
    ppc64
896
    round
897
    roundf
898
    sdl
899
    sdl_video_size
900
    setmode
901
    socklen_t
902
    soundcard_h
903
    poll_h
904
    sys_mman_h
905
    sys_resource_h
906
    sys_select_h
907
    sys_soundcard_h
908
    sys_videoio_h
909
    ten_operands
910
    termios_h
911
    threads
912
    truncf
913
    winsock2_h
914
    yasm
915
"
916

    
917
# options emitted with CONFIG_ prefix but not available on command line
918
CONFIG_EXTRA="
919
    oldscaler
920
"
921

    
922
CMDLINE_SELECT="
923
    $ARCH_EXT_LIST
924
    $CONFIG_LIST
925
    $THREADS_LIST
926
    cross_compile
927
    debug
928
    extra_warnings
929
    logging
930
    optimizations
931
    stripping
932
    yasm
933
"
934

    
935
PATHS_LIST='
936
    bindir
937
    datadir
938
    incdir
939
    libdir
940
    mandir
941
    prefix
942
    shlibdir
943
'
944

    
945
CMDLINE_SET="
946
    $PATHS_LIST
947
    arch
948
    build_suffix
949
    cc
950
    cpu
951
    cross_prefix
952
    extra_version
953
    host_cc
954
    host_cflags
955
    host_ldflags
956
    host_libs
957
    logfile
958
    nm
959
    source_path
960
    sysinclude
961
    sysroot
962
    target_exec
963
    target_os
964
    target_path
965
"
966

    
967
# code dependency declarations
968

    
969
# architecture extensions
970
altivec_deps="ppc"
971
amd3dnow_deps="mmx"
972
amd3dnowext_deps="amd3dnow"
973
armv5te_deps="arm"
974
armv6_deps="arm"
975
armv6t2_deps="arm"
976
armvfp_deps="arm"
977
iwmmxt_deps="arm"
978
mmi_deps="mips"
979
mmx_deps="x86"
980
mmx2_deps="mmx"
981
neon_deps="arm"
982
ppc4xx_deps="ppc"
983
sse_deps="mmx"
984
ssse3_deps="sse"
985
vis_deps="sparc"
986

    
987
# common features
988
oldscaler_deps="!swscale"
989

    
990
# decoders / encoders
991
aac_decoder_select="fft mdct"
992
ac3_decoder_deps="gpl"
993
ac3_decoder_select="fft mdct"
994
atrac3_decoder_select="fft mdct"
995
cavs_decoder_select="golomb"
996
cook_decoder_select="fft mdct"
997
cscd_decoder_suggest="zlib"
998
dca_decoder_select="fft mdct"
999
dnxhd_encoder_select="aandct"
1000
dxa_decoder_select="zlib"
1001
eac3_decoder_deps="gpl"
1002
eac3_decoder_select="fft mdct"
1003
eatgq_decoder_select="aandct"
1004
eatqi_decoder_select="aandct"
1005
ffv1_decoder_select="golomb"
1006
flac_decoder_select="golomb"
1007
flac_encoder_select="golomb"
1008
flashsv_decoder_select="zlib"
1009
flashsv_encoder_select="zlib"
1010
flv_encoder_select="aandct"
1011
h261_encoder_select="aandct"
1012
h263_encoder_select="aandct"
1013
h263p_encoder_select="aandct"
1014
h264_decoder_select="golomb"
1015
h264_vdpau_decoder_deps="vdpau"
1016
imc_decoder_select="fft mdct"
1017
jpegls_decoder_select="golomb"
1018
jpegls_encoder_select="golomb"
1019
ljpeg_encoder_select="aandct"
1020
loco_decoder_select="golomb"
1021
mjpeg_encoder_select="aandct"
1022
mpeg1video_encoder_select="aandct"
1023
mpeg2video_encoder_select="aandct"
1024
mpeg4_encoder_select="aandct"
1025
mpeg_vdpau_decoder_deps="vdpau"
1026
mpeg1_vdpau_decoder_deps="vdpau"
1027
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1028
msmpeg4v1_encoder_select="aandct"
1029
msmpeg4v2_encoder_select="aandct"
1030
msmpeg4v3_encoder_select="aandct"
1031
nellymoser_decoder_select="fft mdct"
1032
nellymoser_encoder_select="fft mdct"
1033
png_decoder_select="zlib"
1034
png_encoder_select="zlib"
1035
qdm2_decoder_select="fft mdct rdft"
1036
rv10_encoder_select="aandct"
1037
rv20_encoder_select="aandct"
1038
rv30_decoder_select="golomb"
1039
rv40_decoder_select="golomb"
1040
shorten_decoder_select="golomb"
1041
sonic_decoder_select="golomb"
1042
sonic_encoder_select="golomb"
1043
sonic_ls_encoder_select="golomb"
1044
svq3_decoder_select="golomb"
1045
svq3_decoder_suggest="zlib"
1046
tiff_decoder_suggest="zlib"
1047
tiff_encoder_suggest="zlib"
1048
tscc_decoder_select="zlib"
1049
vc1_vdpau_decoder_deps="vdpau"
1050
vorbis_decoder_select="fft mdct"
1051
vorbis_encoder_select="fft mdct"
1052
wmav1_decoder_select="fft mdct"
1053
wmav1_encoder_select="fft mdct"
1054
wmav2_decoder_select="fft mdct"
1055
wmav2_encoder_select="fft mdct"
1056
wmv1_encoder_select="aandct"
1057
wmv2_encoder_select="aandct"
1058
wmv3_vdpau_decoder_deps="vdpau"
1059
zlib_decoder_select="zlib"
1060
zlib_encoder_select="zlib"
1061
zmbv_decoder_select="zlib"
1062
zmbv_encoder_select="zlib"
1063

    
1064
# external libraries
1065
libamr_nb_decoder_deps="libamr_nb"
1066
libamr_nb_encoder_deps="libamr_nb"
1067
libamr_wb_decoder_deps="libamr_wb"
1068
libamr_wb_encoder_deps="libamr_wb"
1069
libdirac_decoder_deps="libdirac !libschroedinger"
1070
libdirac_encoder_deps="libdirac"
1071
libfaac_encoder_deps="libfaac"
1072
libfaad_decoder_deps="libfaad"
1073
libfaadbin_decoder_extralibs='$ldl'
1074
libgsm_decoder_deps="libgsm"
1075
libgsm_encoder_deps="libgsm"
1076
libgsm_ms_decoder_deps="libgsm"
1077
libgsm_ms_encoder_deps="libgsm"
1078
libmp3lame_encoder_deps="libmp3lame"
1079
libopenjpeg_decoder_deps="libopenjpeg"
1080
libschroedinger_decoder_deps="libschroedinger"
1081
libschroedinger_encoder_deps="libschroedinger"
1082
libspeex_decoder_deps="libspeex"
1083
libtheora_encoder_deps="libtheora"
1084
libvorbis_encoder_deps="libvorbis"
1085
libx264_encoder_deps="libx264"
1086
libxvid_encoder_deps="libxvid"
1087
mpeg4aac_decoder_deps="libfaad"
1088
vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1089

    
1090
# demuxers / muxers
1091
ac3_demuxer_deps="ac3_parser"
1092
alsa_demuxer_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1093
alsa_demuxer_extralibs="-lasound"
1094
alsa_muxer_deps="alsa_asoundlib_h"
1095
alsa_muxer_extralibs="-lasound"
1096
audio_beos_demuxer_deps="audio_beos"
1097
audio_beos_demuxer_extralibs="-lmedia -lbe"
1098
audio_beos_muxer_deps="audio_beos"
1099
audio_beos_muxer_extralibs="-lmedia -lbe"
1100
avisynth_demuxer_deps="avisynth"
1101
bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1102
dirac_demuxer_deps="dirac_parser"
1103
dv1394_demuxer_deps="dv1394 dv_demuxer"
1104
libdc1394_demuxer_deps="libdc1394"
1105
libnut_demuxer_deps="libnut"
1106
libnut_muxer_deps="libnut"
1107
matroska_demuxer_suggest="zlib bzlib"
1108
mov_demuxer_suggest="zlib"
1109
mp3_demuxer_deps="mpegaudio_parser"
1110
oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
1111
oss_muxer_deps_any="soundcard_h sys_soundcard_h"
1112
redir_demuxer_deps="network"
1113
rtp_muxer_deps="network rtp_protocol"
1114
rtsp_demuxer_deps="sdp_demuxer"
1115
sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1116
v4l_demuxer_deps="linux_videodev_h"
1117
v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
1118
vfwcap_demuxer_deps="capCreateCaptureWindow"
1119
vfwcap_demuxer_extralibs="-lvfw32"
1120
x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
1121
x11_grab_device_demuxer_extralibs="-lX11 -lXext"
1122

    
1123
# protocols
1124
gopher_protocol_deps="network"
1125
http_protocol_deps="network"
1126
rtp_protocol_deps="udp_protocol"
1127
tcp_protocol_deps="network"
1128
udp_protocol_deps="network"
1129

    
1130
# filters
1131
movie_filter_deps="avfilter_lavf"
1132

    
1133
# programs
1134
ffplay_deps="sdl"
1135
ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1136
ffserver_extralibs='$ldl'
1137
vhook_extralibs='$ldl'
1138

    
1139

    
1140
# default parameters
1141

    
1142
logfile="config.err"
1143

    
1144
# installation paths
1145
prefix_default="/usr/local"
1146
bindir_default='${prefix}/bin'
1147
datadir_default='${prefix}/share/ffmpeg'
1148
incdir_default='${prefix}/include'
1149
libdir_default='${prefix}/lib'
1150
mandir_default='${prefix}/share/man'
1151
shlibdir_default="$libdir_default"
1152

    
1153
# toolchain
1154
ar="ar"
1155
cc_default="gcc"
1156
host_cc_default="gcc"
1157
ln_s="ln -sf"
1158
nm_default="nm"
1159
objformat="elf"
1160
ranlib="ranlib"
1161
strip="strip"
1162
yasmexe="yasm"
1163

    
1164
# machine
1165
arch=`uname -m`
1166
cpu="generic"
1167

    
1168
# OS
1169
target_os=$(tolower $(uname -s))
1170

    
1171
# configurable options
1172
enable debug
1173
enable ffmpeg
1174
enable ffplay
1175
enable ffserver
1176
enable ipv6
1177
enable mpegaudio_hp
1178
enable network
1179
enable oldscaler
1180
enable optimizations
1181
enable protocols
1182
enable static
1183
enable stripping
1184
vhook="default"
1185

    
1186
# build settings
1187
add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1188
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1189
VHOOKSHFLAGS='$(SHFLAGS)'
1190
FFSERVERLDFLAGS=-Wl,-E
1191
LIBPREF="lib"
1192
LIBSUF=".a"
1193
FULLNAME='$(NAME)$(BUILDSUF)'
1194
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1195
SLIBPREF="lib"
1196
SLIBSUF=".so"
1197
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1198
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1199
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1200
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1201

    
1202
host_cflags='-O3 -g -Wall'
1203
host_libs='-lm'
1204

    
1205
target_path='.'
1206

    
1207
# gcc stupidly only outputs the basename of targets with -MM, but we need the
1208
# full relative path for objects in subdirectories for non-recursive Make.
1209
DEPEND_CMD='$(CC) $(CFLAGS) -MM $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1210

    
1211
# find source path
1212
source_path="`dirname \"$0\"`"
1213
enable source_path_used
1214
if test -z "$source_path" -o "$source_path" = "." ; then
1215
    source_path="`pwd`"
1216
    disable source_path_used
1217
else
1218
    source_path="`cd \"$source_path\"; pwd`"
1219
    echo "$source_path" | grep -q '[[:blank:]]' &&
1220
        die "Out of tree builds are impossible with whitespace in source path."
1221
fi
1222

    
1223
FFMPEG_CONFIGURATION="$@"
1224

    
1225
find_things(){
1226
    thing=$1
1227
    pattern=$2
1228
    file=$source_path/$3
1229
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1230
}
1231

    
1232
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1233
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1234
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1235
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1236
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1237
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1238
OUTDEV_LIST=$(find_things   muxer    _MUX     libavdevice/alldevices.c)
1239
INDEV_LIST=$(find_things    demuxer  DEMUX    libavdevice/alldevices.c)
1240
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1241
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1242

    
1243
enable $ARCH_EXT_LIST \
1244
       $DECODER_LIST \
1245
       $ENCODER_LIST \
1246
       $PARSER_LIST \
1247
       $BSF_LIST \
1248
       $DEMUXER_LIST \
1249
       $MUXER_LIST \
1250
       $FILTER_LIST \
1251
       $PROTOCOL_LIST \
1252
       $INDEV_LIST \
1253
       $OUTDEV_LIST \
1254

    
1255
die_unknown(){
1256
    echo "Unknown option \"$1\"."
1257
    echo "See $0 --help for available options."
1258
    exit 1
1259
}
1260

    
1261
show_list() {
1262
    suffix=_$1
1263
    shift
1264
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1265
    exit 0
1266
}
1267

    
1268
for opt do
1269
    optval="${opt#*=}"
1270
    case "$opt" in
1271
    --extra-cflags=*) add_cflags $optval
1272
    ;;
1273
    --extra-ldflags=*) add_ldflags $optval
1274
    ;;
1275
    --extra-libs=*) add_extralibs $optval
1276
    ;;
1277
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1278
    ;;
1279
    --enable-debug=*) debuglevel="$optval"
1280
    ;;
1281
    --enable-*=*|--disable-*=*)
1282
    eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1283
    case "$thing" in
1284
        encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1285
        *) die_unknown "$opt" ;;
1286
    esac
1287
    ;;
1288
    --enable-?*|--disable-?*)
1289
    eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1290
    if is_in $option $COMPONENT_LIST; then
1291
        eval $action \$$(toupper ${option%s})_LIST
1292
    elif is_in $option $CMDLINE_SELECT; then
1293
        $action $option
1294
    else
1295
        die_unknown $opt
1296
    fi
1297
    ;;
1298
    --list-*)
1299
        NAME="${opt#--list-}"
1300
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1301
        NAME=${NAME%s}
1302
        eval show_list $NAME \$$(toupper $NAME)_LIST
1303
    ;;
1304
    --help|-h) show_help
1305
    ;;
1306
    *)
1307
    optname="${opt%%=*}"
1308
    optname="${optname#--}"
1309
    optname=$(echo "$optname" | sed 's/-/_/g')
1310
    is_in $optname $CMDLINE_SET || die_unknown $opt
1311
    eval $optname='$optval'
1312
    ;;
1313
    esac
1314
done
1315

    
1316
disabled logging && logfile=/dev/null
1317

    
1318
echo "# $0 $@" > $logfile
1319
set >> $logfile
1320

    
1321
test -n "$cross_prefix" && enable cross_compile
1322

    
1323
ar="${cross_prefix}${ar}"
1324
cc_default="${cross_prefix}${cc_default}"
1325
nm_default="${cross_prefix}${nm_default}"
1326
ranlib="${cross_prefix}${ranlib}"
1327
strip="${cross_prefix}${strip}"
1328

    
1329
sysinclude_default="${sysroot}/usr/include"
1330

    
1331
set_default cc nm sysinclude
1332
enabled cross_compile || host_cc_default=$cc
1333
set_default host_cc
1334

    
1335
case $target_os in
1336
    mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) EXESUF=.exe ;;
1337
esac
1338

    
1339
# set temporary file name
1340
: ${TMPDIR:=$TEMPDIR}
1341
: ${TMPDIR:=$TMP}
1342
: ${TMPDIR:=/tmp}
1343

    
1344
TMPC="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1345
TMPE="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1346
TMPH="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1347
TMPO="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1348
TMPS="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1349
TMPSH="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1350

    
1351
# make sure we can execute files in $TMPDIR
1352
cat > $TMPSH 2>> $logfile <<EOF
1353
#! /bin/sh
1354
EOF
1355
chmod +x $TMPSH >> $logfile 2>&1
1356
if ! $TMPSH >> $logfile 2>&1; then
1357
    cat <<EOF
1358
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1359
variable to another directory and make sure that it is not mounted noexec.
1360
EOF
1361
    die "Sanity test failed."
1362
fi
1363
rm $TMPSH
1364

    
1365
if   $cc --version 2>/dev/null | grep -qi gcc; then
1366
    cc_type=gcc
1367
elif $cc --version 2>/dev/null | grep -q Intel; then
1368
    cc_type=icc
1369
elif $cc -v 2>&1 | grep -q xlc; then
1370
    cc_type=xlc
1371
elif $cc -V 2>/dev/null | grep -q Compaq; then
1372
    cc_type=ccc
1373
    DEPEND_CMD='$(CC) $(CFLAGS) -M $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1374
    add_ldflags -Wl,-z,now # calls to libots crash without this
1375
fi
1376

    
1377
test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1378

    
1379
if test -n "$sysroot"; then
1380
    case "$cc_type" in
1381
        gcc)
1382
            add_cflags  --sysroot="$sysroot"
1383
            add_ldflags --sysroot="$sysroot"
1384
        ;;
1385
    esac
1386
fi
1387

    
1388
# compiler sanity check
1389
check_exec <<EOF
1390
int main(void){ return 0; }
1391
EOF
1392
if test "$?" != 0; then
1393
    echo "$cc is unable to create an executable file."
1394
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
1395
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1396
        echo "Only do this if you know what cross compiling means."
1397
    fi
1398
    die "C compiler test failed."
1399
fi
1400

    
1401
check_cflags -std=c99
1402

    
1403
case "$arch" in
1404
    alpha)
1405
        arch="alpha"
1406
        enable fast_64bit
1407
        check_cflags -mieee
1408
    ;;
1409
    arm|armv[4567]*l)
1410
        arch="arm"
1411
    ;;
1412
    avr32)
1413
    ;;
1414
    bfin)
1415
        arch="bfin"
1416
    ;;
1417
    ia64)
1418
        arch="ia64"
1419
        enable fast_64bit
1420
    ;;
1421
    m68k)
1422
        arch="m68k"
1423
    ;;
1424
    mips|mipsel|IP*)
1425
        arch="mips"
1426
    ;;
1427
    mips64)
1428
        arch="mips"
1429
        enable fast_64bit
1430
    ;;
1431
    parisc|hppa)
1432
        arch="parisc"
1433
    ;;
1434
    parisc64|hppa64)
1435
        arch="parisc"
1436
        enable fast_64bit
1437
    ;;
1438
    "Power Macintosh"|ppc|powerpc)
1439
        arch="ppc"
1440
        enable fast_unaligned
1441
    ;;
1442
    ppc64)
1443
        arch="ppc"
1444
        enable fast_64bit
1445
        enable fast_unaligned
1446
    ;;
1447
    s390|s390x)
1448
        arch="s390"
1449
    ;;
1450
    sh4|sh)
1451
        arch="sh4"
1452
    ;;
1453
    sparc)
1454
        arch="sparc"
1455
    ;;
1456
    sun4u|sparc64)
1457
        arch="sparc"
1458
        subarch="sparc64"
1459
        enable fast_64bit
1460
    ;;
1461
    i386|i486|i586|i686|i86pc|BePC)
1462
        arch="x86"
1463
        subarch="x86_32"
1464
        enable fast_unaligned
1465
    ;;
1466
    x86_64|amd64)
1467
        arch="x86"
1468
        subarch="x86_32"
1469
        enable cmov
1470
        enable fast_cmov
1471
        enable fast_unaligned
1472
        check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1473
        int test[sizeof(char*) - 7];
1474
EOF
1475
    ;;
1476
    *)
1477
        arch="unknown"
1478
    ;;
1479
esac
1480

    
1481
enable $arch $subarch
1482

    
1483
# OS specific
1484
case $target_os in
1485
    beos|haiku|zeta)
1486
        prefix_default="$HOME/config"
1487
        # helps building libavcodec
1488
        add_cflags -DPIC -fomit-frame-pointer
1489
        # 3 gcc releases known for BeOS, each with ugly bugs
1490
        gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1491
        case "$gcc_version" in
1492
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1493
            disable mmx
1494
            ;;
1495
          *20010315*) echo "BeBits gcc"
1496
            add_cflags -fno-expensive-optimizations
1497
            ;;
1498
        esac
1499
        SHFLAGS=-nostart
1500
        # enable BeOS things
1501
        enable audio_beos
1502
        # no need for libm, but the inet stuff
1503
        # Check for BONE
1504
        # XXX: actually should check for NOT net_server
1505
        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1506
            network_extralibs="-lbind -lsocket"
1507
        else
1508
            enable beos_netserver
1509
            network_extralibs="-lnet"
1510
        fi ;;
1511
    sunos)
1512
        FFSERVERLDFLAGS=""
1513
        SHFLAGS='-shared -Wl,-h,$$(@F)'
1514
        network_extralibs="-lsocket -lnsl"
1515
        add_cflags -D__EXTENSIONS__
1516
        ;;
1517
    netbsd)
1518
        oss_demuxer_extralibs="-lossaudio"
1519
        oss_muxer_extralibs="-lossaudio"
1520
        ;;
1521
    openbsd)
1522
        disable need_memalign
1523
        LIBOBJFLAGS='$(PIC)'
1524
        SHFLAGS='-shared'
1525
        oss_demuxer_extralibs="-lossaudio"
1526
        oss_muxer_extralibs="-lossaudio"
1527
        ;;
1528
    freebsd)
1529
        disable need_memalign
1530
        ;;
1531
    bsd/os)
1532
        osextralibs="-lpoll -lgnugetopt"
1533
        strip="strip -d"
1534
        ;;
1535
    darwin)
1536
        disable need_memalign
1537
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1538
        VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
1539
        strip="strip -x"
1540
        FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1541
        SLIBSUF=".dylib"
1542
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1543
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1544
        FFSERVERLDFLAGS=-Wl,-bind_at_load
1545
        objformat="macho"
1546
        enabled x86_64 && objformat="macho64"
1547
        ;;
1548
    mingw32*)
1549
        target_os=mingw32
1550
        LIBTARGET=i386
1551
        if enabled x86_64; then
1552
            disable need_memalign
1553
            LIBTARGET=x64
1554
        fi
1555
        shlibdir_default="$bindir_default"
1556
        VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1557
        VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1558
        if enabled swscale; then
1559
            VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1560
            VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1561
        fi
1562
        disable ffserver
1563
        SLIBPREF=""
1564
        SLIBSUF=".dll"
1565
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1566
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1567
        SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1568
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1569
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1570
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1571
        SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1572
        objformat="win32"
1573
        enable dos_paths
1574
        if ! enabled x86_64; then
1575
            check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1576
                die "ERROR: MinGW runtime version must be >= 3.15."
1577
            enabled_any avisynth vfwcap_demuxer &&
1578
                { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1579
                  die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1580
            fi
1581
        ;;
1582
    cygwin*)
1583
        target_os=cygwin
1584
        shlibdir_default="$bindir_default"
1585
        VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1586
        VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1587
        if enabled swscale; then
1588
            VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1589
            VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1590
        fi
1591
        SLIBPREF="cyg"
1592
        SLIBSUF=".dll"
1593
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1594
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1595
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
1596
        objformat="win32"
1597
        enable dos_paths
1598
        ;;
1599
    *-dos|freedos|opendos)
1600
        disable ffplay ffserver vhook
1601
        disable $INDEV_LIST $OUTDEV_LIST
1602
        network_extralibs="-lsocket"
1603
        objformat="coff"
1604
        enable dos_paths
1605
        ;;
1606
    linux)
1607
        enable dv1394
1608
        ;;
1609
    irix*)
1610
        target_os=irix
1611
        ranlib="echo ignoring ranlib"
1612
        ;;
1613
    os/2*)
1614
        strip="lxlite"
1615
        ln_s="cp -f"
1616
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1617
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1618
        FFSERVERLDFLAGS=""
1619
        LIBSUF="_s.a"
1620
        SLIBPREF=""
1621
        SLIBSUF=".dll"
1622
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1623
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1624
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1625
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1626
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1627
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1628
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1629
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1630
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1631
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1632
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1633
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1634
        disable vhook
1635
        enable dos_paths
1636
        ;;
1637
    interix)
1638
        disable vhook
1639
        ;;
1640

    
1641
    *)
1642
        die "Unknown OS '$target_os'."
1643
        ;;
1644
esac
1645

    
1646
set_default $PATHS_LIST
1647

    
1648
add_extralibs $osextralibs
1649

    
1650
# Combine FFLDFLAGS and the LDFLAGS environment variable.
1651
LDFLAGS="$FFLDFLAGS $LDFLAGS"
1652

    
1653
# we need to build at least one lib type
1654
if ! enabled_any static shared; then
1655
    cat <<EOF
1656
At least one library type must be built.
1657
Specify --enable-static to build the static libraries or --enable-shared to
1658
build the shared libraries as well. To only build the shared libraries specify
1659
--disable-static in addition to --enable-shared.
1660
EOF
1661
    exit 1;
1662
fi
1663

    
1664
disabled static && LIBNAME=""
1665

    
1666
if enabled_any libfaad libfaadbin ; then
1667
    if check_header faad.h; then
1668
        check_cc <<EOF
1669
#include <faad.h>
1670
#ifndef FAAD2_VERSION
1671
ok faad1
1672
#endif
1673
int main(void) { return 0; }
1674
EOF
1675
        test $? = 0 && enable libfaad2
1676
    else
1677
        die "FAAD test failed."
1678
    fi
1679
fi
1680

    
1681

    
1682
if ! enabled gpl; then
1683
    die_gpl_disabled(){
1684
        name=$1
1685
        shift
1686
        enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1687
    }
1688
    die_gpl_disabled "The Postprocessing code" postproc
1689
    die_gpl_disabled "libx264"                 libx264
1690
    die_gpl_disabled "libxvidcore"             libxvid
1691
    die_gpl_disabled "FAAD2"                   libfaad2
1692
    die_gpl_disabled "The X11 grabber"         x11grab
1693
    die_gpl_disabled "The software scaler"     swscale
1694
fi
1695

    
1696
if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1697
    die "libamr is nonfree and --enable-nonfree is not specified."
1698
fi
1699

    
1700
check_deps $ARCH_EXT_LIST
1701

    
1702
test -z "$need_memalign" && need_memalign="$mmx"
1703

    
1704
#Darwin CC versions
1705
if test $target_os = darwin; then
1706
    if enabled xlc; then
1707
        add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1708
    else
1709
        add_cflags -pipe
1710
        check_cflags -force_cpusubtype_ALL
1711
        check_cflags -Wno-sign-compare
1712
        enabled shared || check_cflags -mdynamic-no-pic
1713
    fi
1714
fi
1715

    
1716
disabled optimizations || check_cflags -fomit-frame-pointer
1717

    
1718
# Add processor-specific flags
1719
if test $cpu != "generic"; then
1720
    warn_altivec(){
1721
        $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1722
    }
1723
    case $cpu in
1724
        601|ppc601|PowerPC601)
1725
            add_cflags -mcpu=601
1726
            warn_altivec enabled PPC601
1727
        ;;
1728
        603*|ppc603*|PowerPC603*)
1729
            add_cflags -mcpu=603
1730
            warn_altivec enabled PPC603
1731
        ;;
1732
        604*|ppc604*|PowerPC604*)
1733
            add_cflags -mcpu=604
1734
            warn_altivec enabled PPC604
1735
        ;;
1736
        G3|g3|75*|ppc75*|PowerPC75*)
1737
            add_cflags -mcpu=750 -mpowerpc-gfxopt
1738
            warn_altivec enabled PPC75x
1739
        ;;
1740
        G4|g4|745*|ppc745*|PowerPC745*)
1741
            add_cflags -mcpu=7450 -mpowerpc-gfxopt
1742
            warn_altivec disabled PPC745x
1743
        ;;
1744
        74*|ppc74*|PowerPC74*)
1745
            add_cflags -mcpu=7400 -mpowerpc-gfxopt
1746
            warn_altivec disabled PPC74xx
1747
        ;;
1748
        G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1749
            add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
1750
            warn_altivec disabled PPC970
1751
            enable ppc64
1752
        ;;
1753
        Cell|CELL|cell)
1754
            add_cflags -mcpu=cell
1755
            warn_altivec disabled Cell
1756
            enable ppc64
1757
        ;;
1758
        # targets that do NOT support conditional mov (cmov)
1759
        i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1760
            add_cflags -march=$cpu
1761
            disable cmov
1762
        ;;
1763
        # targets that do support conditional mov (cmov)
1764
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1765
            add_cflags -march=$cpu
1766
            enable cmov
1767
            enable fast_cmov
1768
        ;;
1769
        # targets that do support conditional mov but on which it's slow
1770
        pentium4|pentium4m|prescott|nocona)
1771
            add_cflags -march=$cpu
1772
            enable cmov
1773
            disable fast_cmov
1774
        ;;
1775
        sparc64)
1776
            add_cflags -mcpu=v9
1777
        ;;
1778
        arm11*|cortex*)
1779
            add_cflags -mcpu=$cpu
1780
            enable fast_unaligned
1781
        ;;
1782
        armv*)
1783
            add_cflags -march=$cpu
1784
        ;;
1785
        arm*)
1786
            add_cflags -mcpu=$cpu
1787
        ;;
1788
        ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1789
            enabled ccc && add_cflags -arch $cpu || add_cflags -mcpu=$cpu
1790
        ;;
1791
        *)
1792
            echo "WARNING: Unknown CPU \"$cpu\", ignored."
1793
        ;;
1794
    esac
1795
fi
1796

    
1797
check_cc <<EOF || die "Symbol mangling check failed."
1798
int ff_extern;
1799
EOF
1800
sym=$($nm -P -g $TMPO | grep ff_extern)
1801
extern_prefix=${sym%%ff_extern*}
1802

    
1803
check_asm inline_asm '""'
1804

    
1805
if enabled x86; then
1806
    # check whether EBP is available on x86
1807
    # As 'i' is stored on the stack, this program will crash
1808
    # if the base pointer is used to access it because the
1809
    # base pointer is cleared in the inline assembly code.
1810
    check_exec_crash <<EOF && enable ebp_available
1811
    volatile int i=0;
1812
    __asm__ volatile (
1813
        "xorl %%ebp, %%ebp"
1814
    ::: "%ebp");
1815
    return i;
1816
EOF
1817

    
1818
    # check wether EBX is available on x86
1819
    check_asm ebx_available '"":::"%ebx"'
1820

    
1821
    # check whether more than 10 operands are supported
1822
    check_cc <<EOF && enable ten_operands
1823
int main(void) {
1824
    int x=0;
1825
    __asm__ volatile(
1826
        ""
1827
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
1828
    );
1829
    return 0;
1830
}
1831
EOF
1832

    
1833
    # check whether binutils is new enough to compile SSSE3/MMX2
1834
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1835
    enabled mmx2  && check_asm mmx2  '"movss %xmm0, %xmm0"'
1836

    
1837
    check_asm bswap '"bswap %%eax" ::: "%eax"'
1838

    
1839
    YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
1840
    enabled     x86_64        && append YASMFLAGS "-m amd64"
1841
    enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1842
    case "$objformat" in
1843
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1844
        macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
1845
        *)                    append YASMFLAGS "-DPREFIX"  ;;
1846
    esac
1847
    disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
1848
fi
1849

    
1850
# check for assembler specific support
1851

    
1852
enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
1853
enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
1854

    
1855
# check for SIMD availability
1856

    
1857
# AltiVec flags: The FSF version of GCC differs from the Apple version
1858
if enabled altivec; then
1859
    check_cflags -maltivec -mabi=altivec &&
1860
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1861
        check_cflags -faltivec
1862

    
1863
    # check if our compiler supports Motorola AltiVec C API
1864
    check_cc <<EOF || disable altivec
1865
$inc_altivec_h
1866
int main(void) {
1867
    vector signed int v1, v2, v3;
1868
    v1 = vec_add(v2,v3);
1869
    return 0;
1870
}
1871
EOF
1872

    
1873
    # check if our compiler supports braces for vector declarations
1874
    check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1875
$inc_altivec_h
1876
int main (void) { (vector int) {1}; return 0; }
1877
EOF
1878
fi
1879

    
1880
# We have to check if pld is a nop and disable it.
1881
enabled arm     && check_asm pld     '"pld [r0]"'
1882
enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1883
enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
1884
enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
1885
enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
1886
enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
1887
enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
1888
enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
1889
enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1890

    
1891
enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
1892

    
1893
# ---
1894
# big/little-endian test
1895
check_cc <<EOF || die "endian test failed"
1896
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1897
EOF
1898
od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1899

    
1900
# ---
1901
# check availability of some header files
1902

    
1903
if check_func dlopen; then
1904
    ldl=
1905
elif check_func dlopen -ldl; then
1906
    ldl=-ldl
1907
fi
1908

    
1909
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
1910
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
1911

    
1912
check_func  fork
1913
check_func  gethrtime
1914
check_func  getrusage
1915
check_func  inet_aton $network_extralibs
1916
check_func  memalign
1917
check_func  mkstemp
1918
check_func  posix_memalign
1919
check_func_headers io.h setmode
1920
check_func_headers windows.h GetProcessTimes
1921

    
1922
check_header conio.h
1923
check_header dlfcn.h
1924
check_header malloc.h
1925
check_header poll.h
1926
check_header sys/mman.h
1927
check_header sys/resource.h
1928
check_header sys/select.h
1929
check_header termios.h
1930
check_header vdpau/vdpau.h
1931
check_header vdpau/vdpau_x11.h
1932
check_header X11/extensions/XvMClib.h
1933

    
1934
if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
1935
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
1936
fi
1937

    
1938
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
1939
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1940

    
1941
# check for some common methods of building with pthread support
1942
# do this before the optional library checks as some of them require pthreads
1943
if enabled pthreads; then
1944
    if check_func pthread_create; then
1945
        :
1946
    elif check_func pthread_create -pthread; then
1947
        add_cflags -pthread
1948
        add_extralibs -pthread
1949
    elif check_func pthread_create -pthreads; then
1950
        add_cflags -pthreads
1951
        add_extralibs -pthreads
1952
    elif check_func pthread_create -lpthreadGC2; then
1953
        add_extralibs -lpthreadGC2
1954
    elif ! check_lib pthread.h pthread_create -lpthread; then
1955
        die "ERROR: can't find pthreads library"
1956
    fi
1957
fi
1958

    
1959
for thread in $THREADS_LIST; do
1960
    if enabled $thread; then
1961
        test -n "$thread_type" &&
1962
            die "ERROR: Only one thread type must be selected." ||
1963
            thread_type="$thread"
1964
    fi
1965
done
1966

    
1967
check_lib math.h sin -lm
1968

    
1969
# test for C99 functions in math.h
1970
for func in llrint lrint lrintf round roundf truncf; do
1971
    check_exec <<EOF && enable $func || disable $func
1972
#include <math.h>
1973
int main(void) { return ($func(3.999f) > 0)?0:1; }
1974
EOF
1975
done
1976

    
1977
# these are off by default, so fail if requested and not available
1978
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1979
enabled libamr_nb  && require  libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1980
enabled libamr_wb  && require  libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1981
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
1982
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
1983
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
1984
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1985
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
1986
enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
1987
enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
1988
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
1989
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
1990
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
1991
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
1992
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
1993
enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
1994
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1995
enabled libx264    && require  libx264 x264.h x264_encoder_open -lx264 -lm &&
1996
                      { check_cpp_condition x264.h "X264_BUILD >= 65" ||
1997
                        die "ERROR: libx264 version must be >= 0.65."; }
1998
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
1999
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2000

    
2001
# libdc1394 check
2002
if enabled libdc1394; then
2003
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2004
        enable libdc1394_2; } ||
2005
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2006
        enable libdc1394_1; } ||
2007
    die "ERROR: No version of libdc1394 found "
2008
fi
2009

    
2010

    
2011
_restrict=
2012
for restrict_keyword in restrict __restrict__ __restrict; do
2013
    check_cc <<EOF && _restrict=$restrict_keyword && break
2014
void foo(char * $restrict_keyword p);
2015
EOF
2016
done
2017

    
2018
test "$vhook" = "default" && vhook="$dlopen"
2019

    
2020
if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
2021
    disable vhook
2022
    echo
2023
    echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
2024
    echo "Patches welcome."
2025
    echo
2026
fi
2027

    
2028
if enabled vhook; then
2029
    check_ldflags -rdynamic
2030
    check_ldflags -export-dynamic
2031
fi
2032

    
2033
check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
2034
check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
2035

    
2036
##########################################
2037
# SDL check
2038

    
2039
disable sdl_too_old
2040
disable sdl
2041
SDL_CONFIG="${cross_prefix}sdl-config"
2042
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2043
    sdl_cflags=`"${SDL_CONFIG}" --cflags`
2044
    temp_cflags $sdl_cflags
2045
    temp_extralibs `"${SDL_CONFIG}" --libs`
2046
    if check_lib2 SDL.h SDL_Init; then
2047
        _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
2048
        if test "$_sdlversion" -lt 121 ; then
2049
            enable sdl_too_old
2050
        else
2051
            enable sdl
2052
            check_cc $sdl_cflags <<EOF && enable sdl_video_size
2053
#include <SDL.h>
2054
int main(int argc, char **argv){
2055
    const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2056
    int w = vi->current_w;
2057
    return 0;
2058
}
2059
EOF
2060
        fi
2061
    fi
2062
    restore_flags
2063
fi
2064

    
2065
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2066

    
2067
##########################################
2068
# Network check
2069

    
2070
if enabled network; then
2071
    check_type "sys/types.h sys/socket.h" socklen_t
2072
    # Prefer arpa/inet.h over winsock2
2073
    if check_header arpa/inet.h ; then
2074
        check_func closesocket
2075
    elif check_header winsock2.h ; then
2076
        network_extralibs="-lws2_32"
2077
        check_type ws2tcpip.h socklen_t
2078
        check_func_headers winsock2.h closesocket
2079
    fi
2080
fi
2081

    
2082
##########################################
2083
# IPv6 check
2084

    
2085
enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
2086
#include <sys/types.h>
2087
#include <sys/socket.h>
2088
#include <netinet/in.h>
2089
#include <netdb.h>
2090
int main(void) {
2091
    struct sockaddr_storage saddr;
2092
    struct ipv6_mreq mreq6;
2093
    getaddrinfo(0,0,0,0);
2094
    getnameinfo(0,0,0,0,0,0,0);
2095
    IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2096
}
2097
EOF
2098

    
2099
check_header linux/videodev.h
2100
check_header linux/videodev2.h
2101
check_header sys/videoio.h
2102

    
2103
check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2104

    
2105
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2106
{ check_header dev/bktr/ioctl_meteor.h &&
2107
  check_header dev/bktr/ioctl_bt848.h; } ||
2108
{ check_header machine/ioctl_meteor.h &&
2109
  check_header machine/ioctl_bt848.h; } ||
2110
{ check_header dev/video/meteor/ioctl_meteor.h &&
2111
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2112
check_header dev/ic/bt8xx.h
2113

    
2114
check_header sys/soundcard.h
2115
check_header soundcard.h
2116

    
2117
check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2118

    
2119
# deal with the X11 frame grabber
2120
enabled x11grab                         &&
2121
check_header X11/Xlib.h                 &&
2122
check_header X11/extensions/XShm.h      &&
2123
check_func XOpenDisplay -lX11           &&
2124
check_func XShmCreateImage -lX11 -lXext
2125

    
2126
enabled debug && add_cflags -g"$debuglevel"
2127

    
2128
# add some useful compiler flags if supported
2129
check_cflags -Wdeclaration-after-statement
2130
check_cflags -Wall
2131
check_cflags -Wno-switch
2132
check_cflags -Wdisabled-optimization
2133
check_cflags -Wpointer-arith
2134
check_cflags -Wredundant-decls
2135
check_cflags -Wno-pointer-sign
2136
check_cflags -Wcast-qual
2137
check_cflags -Wwrite-strings
2138
check_cflags -Wtype-limits
2139
check_cflags -Wundef
2140
enabled extra_warnings && check_cflags -Winline
2141

    
2142
# add some linker flags
2143
check_ldflags -Wl,--warn-common
2144
check_ldflags -Wl,--as-needed
2145
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'
2146
check_ldflags -Wl,-Bsymbolic
2147

    
2148
if enabled small; then
2149
    check_cflags -Os            # not all compilers support -Os
2150
    optimizations="small"
2151
elif enabled optimizations; then
2152
    if enabled xlc; then
2153
        add_cflags  -O5
2154
        add_ldflags -O5
2155
    elif enabled ccc; then
2156
        add_cflags -fast
2157
    else
2158
        add_cflags -O3
2159
    fi
2160
fi
2161
check_cflags -fno-math-errno
2162
check_cflags -fno-signed-zeros
2163

    
2164
# add some flags for Intel C Compiler
2165
if enabled icc; then
2166
    # Just warnings, no remarks
2167
    check_cflags -w1
2168
    # -wd: Disable following warnings
2169
    # 144, 167, 556: -Wno-pointer-sign
2170
    # 10006: ignoring unknown option -fno-signed-zeros
2171
    # 10156: ignoring option '-W'; no argument required
2172
    check_cflags -wd144,167,556,10006,10156
2173
    # 11030: Warning unknown option --as-needed
2174
    # 10156: ignoring option '-export'; no argument required
2175
    check_ldflags -wd10156,11030
2176
    # Allow to compile with optimizations
2177
    check_ldflags -march=$cpu
2178
elif enabled ccc; then
2179
    # disable some annoying warnings
2180
    add_cflags -msg_disable cvtu32to64
2181
    add_cflags -msg_disable embedcomment
2182
    add_cflags -msg_disable needconstext
2183
    add_cflags -msg_disable nomainieee
2184
    add_cflags -msg_disable ptrmismatch1
2185
    add_cflags -msg_disable unreachcode
2186
fi
2187

    
2188
# PIC flags for shared library objects where they are needed
2189
if enabled shared; then
2190
    # LIBOBJFLAGS may have already been set in the OS configuration
2191
    if test -z "$LIBOBJFLAGS" ; then
2192
        case "${subarch-$arch}" in
2193
            x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2194
        esac
2195
    fi
2196
fi
2197

    
2198
if enabled gprof; then
2199
    add_cflags  -p
2200
    add_ldflags -p
2201
fi
2202

    
2203
VHOOKCFLAGS="-fPIC"
2204

    
2205
# Find out if the .align argument is a power of two or not.
2206
check_asm asmalign_pot '".align 3"'
2207

    
2208
enabled_any $DECODER_LIST      && enable decoders
2209
enabled_any $ENCODER_LIST      && enable encoders
2210
enabled_any $BSF_LIST          && enable bsfs
2211
enabled_any $DEMUXER_LIST      && enable demuxers
2212
enabled_any $MUXER_LIST        && enable muxers
2213
enabled_any $FILTER_LIST       && enable filters
2214
enabled_any $INDEV_LIST        && enable demuxers
2215
enabled_any $OUTDEV_LIST       && enable muxers
2216
enabled_any $PROTOCOL_LIST     && enable protocols
2217

    
2218
enabled_any $THREADS_LIST      && enable threads
2219

    
2220
check_deps $CONFIG_LIST       \
2221
           $CONFIG_EXTRA      \
2222
           $HAVE_LIST         \
2223
           $DECODER_LIST      \
2224
           $ENCODER_LIST      \
2225
           $PARSER_LIST       \
2226
           $BSF_LIST          \
2227
           $DEMUXER_LIST      \
2228
           $MUXER_LIST        \
2229
           $FILTER_LIST       \
2230
           $INDEV_LIST        \
2231
           $OUTDEV_LIST       \
2232
           $PROTOCOL_LIST     \
2233

    
2234
echo "install prefix            $prefix"
2235
echo "source path               $source_path"
2236
echo "C compiler                $cc"
2237
echo ".align is power-of-two    $asmalign_pot"
2238
echo "ARCH                      $arch ($cpu)"
2239
if test "$build_suffix" != ""; then
2240
    echo "build suffix              $build_suffix"
2241
fi
2242
if test "$extra_version" != ""; then
2243
    echo "version string suffix     $extra_version"
2244
fi
2245
echo "big-endian                ${bigendian-no}"
2246
if enabled x86; then
2247
    echo "yasm                      ${yasm-no}"
2248
    echo "MMX enabled               ${mmx-no}"
2249
    echo "MMX2 enabled              ${mmx2-no}"
2250
    echo "3DNow! enabled            ${amd3dnow-no}"
2251
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
2252
    echo "SSE enabled               ${sse-no}"
2253
    echo "SSSE3 enabled             ${ssse3-no}"
2254
    echo "CMOV enabled              ${cmov-no}"
2255
    echo "CMOV is fast              ${fast_cmov-no}"
2256
    echo "EBX available             ${ebx_available-no}"
2257
    echo "EBP available             ${ebp_available-no}"
2258
    echo "10 operands supported     ${ten_operands-no}"
2259
fi
2260
if enabled arm; then
2261
    echo "ARMv5TE enabled           ${armv5te-no}"
2262
    echo "ARMv6 enabled             ${armv6-no}"
2263
    echo "ARMv6T2 enabled           ${armv6t2-no}"
2264
    echo "ARM VFP enabled           ${armvfp-no}"
2265
    echo "IWMMXT enabled            ${iwmmxt-no}"
2266
    echo "NEON enabled              ${neon-no}"
2267
fi
2268
if enabled mips; then
2269
    echo "MMI enabled               ${mmi-no}"
2270
fi
2271
if enabled ppc; then
2272
    echo "AltiVec enabled           ${altivec-no}"
2273
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
2274
    echo "dcbzl available           ${dcbzl-no}"
2275
    echo "performance report        ${powerpc_perf-no}"
2276
fi
2277
if enabled sparc; then
2278
    echo "VIS enabled               ${vis-no}"
2279
fi
2280
echo "gprof enabled             ${gprof-no}"
2281
echo "debug symbols             ${debug-no}"
2282
echo "strip symbols             ${stripping-no}"
2283
echo "optimizations             ${optimizations-no}"
2284
echo "static                    ${static-no}"
2285
echo "shared                    ${shared-no}"
2286
echo "postprocessing support    ${postproc-no}"
2287
echo "software scaler enabled   ${swscale-no}"
2288
echo "new filter support        ${avfilter-no}"
2289
echo "filters using lavformat   ${avfilter_lavf-no}"
2290
echo "video hooking             ${vhook-no}"
2291
if enabled vhook; then
2292
    echo "Imlib2 support            ${imlib2-no}"
2293
    echo "FreeType support          ${freetype2-no}"
2294
fi
2295
echo "network support           ${network-no}"
2296
if enabled network; then
2297
    echo "IPv6 support              ${ipv6-no}"
2298
fi
2299
echo "threading support         ${thread_type-no}"
2300
echo "SDL support               ${sdl-no}"
2301
if enabled sdl_too_old; then
2302
    echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2303
fi
2304
echo "Sun medialib support      ${mlib-no}"
2305
echo "AVISynth enabled          ${avisynth-no}"
2306
echo "libamr-nb support         ${libamr_nb-no}"
2307
echo "libamr-wb support         ${libamr_wb-no}"
2308
echo "libdc1394 support         ${libdc1394-no}"
2309
echo "libdirac enabled          ${libdirac-no}"
2310
echo "libfaac enabled           ${libfaac-no}"
2311
echo "libfaad enabled           ${libfaad-no}"
2312
echo "libfaad dlopened          ${libfaadbin-no}"
2313
echo "libgsm enabled            ${libgsm-no}"
2314
echo "libmp3lame enabled        ${libmp3lame-no}"
2315
echo "libnut enabled            ${libnut-no}"
2316
echo "libopenjpeg enabled       ${libopenjpeg-no}"
2317
echo "libschroedinger enabled   ${libschroedinger-no}"
2318
echo "libspeex enabled          ${libspeex-no}"
2319
echo "libtheora enabled         ${libtheora-no}"
2320
echo "libvorbis enabled         ${libvorbis-no}"
2321
echo "libx264 enabled           ${libx264-no}"
2322
echo "libxvid enabled           ${libxvid-no}"
2323
echo "vdpau enabled             ${vdpau-no}"
2324
echo "zlib enabled              ${zlib-no}"
2325
echo "bzlib enabled             ${bzlib-no}"
2326
echo
2327

    
2328
for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
2329
    echo "Enabled ${type}s:"
2330
    eval list=\$$(toupper $type)_LIST
2331
    for part in $list; do
2332
        enabled $part && echo ${part%_*}
2333
    done | sort | pr -3 -t
2334
    echo
2335
done
2336

    
2337
license="LGPL"
2338
if enabled nonfree; then
2339
    license="unredistributable"
2340
elif enabled gpl; then
2341
    license="GPL"
2342
fi
2343

    
2344
echo "License: $license"
2345

    
2346
echo "Creating config.mak and config.h..."
2347

    
2348
echo "# Automatically generated by configure - do not modify!" > config.mak
2349
echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2350
echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2351
echo "#define FFMPEG_CONFIG_H" >> $TMPH
2352
echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2353
echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2354

    
2355
echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2356
echo "prefix=$prefix" >> config.mak
2357
echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2358
echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2359
echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2360
echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2361
echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2362
echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2363
echo "CC=$cc" >> config.mak
2364
echo "YASM=$yasmexe" >> config.mak
2365
echo "AR=$ar" >> config.mak
2366
echo "RANLIB=$ranlib" >> config.mak
2367
echo "LN_S=$ln_s" >> config.mak
2368
enabled stripping &&
2369
    echo "STRIP=$strip" >> config.mak ||
2370
    echo "STRIP=echo ignoring strip" >> config.mak
2371

    
2372
echo "OPTFLAGS=$CFLAGS" >> config.mak
2373
echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
2374
echo "LDFLAGS=$LDFLAGS" >> config.mak
2375
echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2376
echo "SHFLAGS=$SHFLAGS" >> config.mak
2377
echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2378
echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
2379
echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
2380
echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2381
echo "BUILD_STATIC=$static" >> config.mak
2382
echo "BUILDSUF=$build_suffix" >> config.mak
2383
echo "FULLNAME=$FULLNAME" >> config.mak
2384
echo "LIBPREF=$LIBPREF" >> config.mak
2385
echo "LIBSUF=$LIBSUF" >> config.mak
2386
echo "LIBNAME=$LIBNAME" >> config.mak
2387
echo "SLIBPREF=$SLIBPREF" >> config.mak
2388
echo "SLIBSUF=$SLIBSUF" >> config.mak
2389
echo "EXESUF=$EXESUF" >> config.mak
2390
echo "EXTRA_VERSION=$extra_version" >> config.mak
2391
echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2392
echo "HOSTCC=$host_cc" >> config.mak
2393
echo "HOSTCFLAGS=$host_cflags" >> config.mak
2394
echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2395
echo "HOSTLIBS=$host_libs" >> config.mak
2396
echo "TARGET_EXEC=$target_exec" >> config.mak
2397
echo "TARGET_PATH=$target_path" >> config.mak
2398

    
2399
if enabled bigendian; then
2400
    echo "WORDS_BIGENDIAN=yes" >> config.mak
2401
    echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2402
fi
2403

    
2404
if enabled sdl; then
2405
    echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2406
    echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2407
fi
2408
if enabled texi2html; then
2409
    echo "BUILD_DOC=yes" >> config.mak
2410
fi
2411

    
2412
get_version(){
2413
    name=$1
2414
    file=$source_path/$2
2415
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2416
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2417
    lcname=$(tolower $name)
2418
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2419
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2420
}
2421

    
2422
get_version LIBSWSCALE  libswscale/swscale.h
2423
get_version LIBPOSTPROC libpostproc/postprocess.h
2424
get_version LIBAVCODEC  libavcodec/avcodec.h
2425
get_version LIBAVDEVICE libavdevice/avdevice.h
2426
get_version LIBAVFORMAT libavformat/avformat.h
2427
get_version LIBAVUTIL   libavutil/avutil.h
2428
get_version LIBAVFILTER libavfilter/avfilter.h
2429

    
2430
if enabled shared; then
2431
    echo "BUILD_SHARED=yes" >> config.mak
2432
    echo "PIC=-fPIC -DPIC" >> config.mak
2433
    echo "LIBTARGET=${LIBTARGET}" >> config.mak
2434
    echo "SLIBNAME=${SLIBNAME}" >> config.mak
2435
    echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2436
    echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2437
    echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2438
    echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2439
    echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2440
    echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2441
fi
2442
echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2443
echo "EXTRALIBS=$extralibs" >> config.mak
2444

    
2445
echo "ARCH=$arch" >> config.mak
2446

    
2447
print_config ARCH_   $TMPH config.mak $ARCH_LIST
2448
print_config HAVE_   $TMPH config.mak $HAVE_LIST
2449
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2450
                                      $CONFIG_EXTRA      \
2451
                                      $DECODER_LIST      \
2452
                                      $ENCODER_LIST      \
2453
                                      $PARSER_LIST       \
2454
                                      $BSF_LIST          \
2455
                                      $DEMUXER_LIST      \
2456
                                      $MUXER_LIST        \
2457
                                      $FILTER_LIST       \
2458
                                      $PROTOCOL_LIST     \
2459
                                      $INDEV_LIST        \
2460
                                      $OUTDEV_LIST       \
2461

    
2462
echo "#define restrict $_restrict" >> $TMPH
2463

    
2464
if enabled small; then
2465
    echo "#define av_always_inline"  >> $TMPH
2466
fi
2467

    
2468
echo "SRC_PATH=\"$source_path\"" >> config.mak
2469
echo "SRC_PATH_BARE=$source_path" >> config.mak
2470
echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2471

    
2472
# Apparently it's not possible to portably echo a backslash.
2473
enabled asmalign_pot &&
2474
    printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2475
    printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2476

    
2477
echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2478

    
2479
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2480

    
2481
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2482
cmp -s $TMPH config.h &&
2483
    echo "config.h is unchanged" ||
2484
    mv -f $TMPH config.h
2485

    
2486
rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
2487

    
2488
# build tree in object directory if source path is different from current one
2489
if enabled source_path_used; then
2490
    DIRS="\
2491
        doc               \
2492
        libavcodec        \
2493
        libavcodec/alpha  \
2494
        libavcodec/arm    \
2495
        libavcodec/bfin   \
2496
        libavcodec/mlib   \
2497
        libavcodec/ppc    \
2498
        libavcodec/sh4    \
2499
        libavcodec/sparc  \
2500
        libavcodec/x86    \
2501
        libavdevice       \
2502
        libavfilter       \
2503
        libavformat       \
2504
        libavutil         \
2505
        libpostproc       \
2506
        libswscale        \
2507
        tests             \
2508
        tools             \
2509
        vhook             \
2510
        "
2511
    FILES="\
2512
        Makefile             \
2513
        common.mak           \
2514
        subdir.mak           \
2515
        doc/texi2pod.pl      \
2516
        libavcodec/Makefile  \
2517
        libavdevice/Makefile \
2518
        libavfilter/Makefile \
2519
        libavformat/Makefile \
2520
        libavutil/Makefile   \
2521
        libpostproc/Makefile \
2522
        libswscale/Makefile  \
2523
        "
2524
    for dir in $DIRS ; do
2525
        mkdir -p $dir
2526
    done
2527
    for f in $FILES ; do
2528
        $ln_s "$source_path/$f" $f
2529
    done
2530
fi
2531

    
2532

    
2533
# build pkg-config files
2534

    
2535
pkgconfig_generate(){
2536
name=$1
2537
shortname=${name#lib}${build_suffix}
2538
comment=$2
2539
version=$3
2540
libs=$4
2541
requires=$5
2542
cat <<EOF > $name/$name.pc
2543
prefix=$prefix
2544
exec_prefix=\${prefix}
2545
libdir=$libdir
2546
includedir=$incdir
2547

    
2548
Name: $name
2549
Description: $comment
2550
Version: $version
2551
Requires: $(disabled shared && echo $requires)
2552
Requires.private: $(enabled shared && echo $requires)
2553
Conflicts:
2554
Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2555
Libs.private: $(enabled shared && echo $libs)
2556
Cflags: -I\${includedir}
2557
EOF
2558
cat <<EOF > $name/$name-uninstalled.pc
2559
prefix=
2560
exec_prefix=
2561
libdir=\${pcfiledir}
2562
includedir=${source_path}
2563

    
2564
Name: $name
2565
Description: $comment
2566
Version: $version
2567
Requires: $requires
2568
Conflicts:
2569
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2570
Cflags: -I\${includedir}
2571
EOF
2572
}
2573

    
2574
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2575
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2576
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2577
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2578
enabled avfilter &&
2579
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2580
enabled postproc &&
2581
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2582
if enabled swscale; then
2583
    pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2584
else
2585
    pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavcodec = $LIBAVCODEC_VERSION"
2586
    apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
2587
fi