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#!/bin/sh
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#
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# FFmpeg configure script
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#
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# Copyright (c) 2000-2002 Fabrice Bellard
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# Copyright (c) 2005-2008 Diego Biurrun
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# Copyright (c) 2005-2008 Mans Rullgard
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#
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# Prevent locale nonsense from breaking basic text processing.
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LC_ALL=C
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export LC_ALL
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# make sure we are running under a compatible shell
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# try to make this part work with most shells
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try_exec(){
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    echo "Trying shell $1"
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    type "$1" > /dev/null 2>&1 && exec "$@"
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}
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unset foo
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(: ${foo%%bar}) 2> /dev/null
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E1="$?"
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(: ${foo?}) 2> /dev/null
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E2="$?"
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if test "$E1" != 0 || test "$E2" = 0; then
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    echo "Broken shell detected.  Trying alternatives."
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    export FF_CONF_EXEC
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    if test "0$FF_CONF_EXEC" -lt 1; then
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        FF_CONF_EXEC=1
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        try_exec bash "$0" "$@"
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    fi
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    if test "0$FF_CONF_EXEC" -lt 2; then
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        FF_CONF_EXEC=2
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        try_exec ksh "$0" "$@"
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    fi
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    if test "0$FF_CONF_EXEC" -lt 3; then
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        FF_CONF_EXEC=3
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        try_exec /usr/xpg4/bin/sh "$0" "$@"
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    fi
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    echo "No compatible shell script interpreter found."
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    echo "This configure script requires a POSIX-compatible shell"
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    echo "such as bash or ksh."
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    echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
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    echo "Instead, install a working POSIX-compatible shell."
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    echo "Disabling this configure test will create a broken FFmpeg."
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    if test "$BASH_VERSION" = '2.04.0(1)-release'; then
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        echo "This bash version ($BASH_VERSION) is broken on your platform."
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        echo "Upgrade to a later version if available."
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    fi
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    exit 1
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fi
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show_help(){
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  echo "Usage: configure [options]"
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  echo "Options: [defaults in brackets after descriptions]"
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  echo
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  echo "Standard options:"
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  echo "  --help                   print this message"
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  echo "  --logfile=FILE           log tests and output to FILE [config.err]"
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  echo "  --disable-logging        do not log configure debug information"
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  echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
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  echo "  --bindir=DIR             install binaries in DIR [PREFIX/bin]"
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  echo "  --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]"
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  echo "  --libdir=DIR             install libs in DIR [PREFIX/lib]"
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  echo "  --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]"
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  echo "  --incdir=DIR             install includes in DIR [PREFIX/include]"
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  echo "  --mandir=DIR             install man page in DIR [PREFIX/share/man]"
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  echo
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  echo "Configuration options:"
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  echo "  --disable-static         do not build static libraries [no]"
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  echo "  --enable-shared          build shared libraries [no]"
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  echo "  --enable-gpl             allow use of GPL code, the resulting libs"
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  echo "                           and binaries will be under GPL [no]"
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  echo "  --enable-nonfree         allow use of nonfree code, the resulting libs"
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  echo "                           and binaries will be unredistributable [no]"
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  echo "  --disable-ffmpeg         disable ffmpeg build"
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  echo "  --disable-ffplay         disable ffplay build"
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  echo "  --disable-ffserver       disable ffserver build"
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  echo "  --enable-postproc        enable GPLed postprocessing support [no]"
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  echo "  --enable-avfilter        video filter support [no]"
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  echo "  --enable-avfilter-lavf   video filters dependent on avformat [no]"
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  echo "  --enable-beosthreads     use BeOS threads [no]"
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  echo "  --enable-os2threads      use OS/2 threads [no]"
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  echo "  --enable-pthreads        use pthreads [no]"
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  echo "  --enable-w32threads      use Win32 threads [no]"
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  echo "  --enable-x11grab         enable X11 grabbing [no]"
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  echo "  --disable-network        disable network support [no]"
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  echo "  --disable-ipv6           disable IPv6 support [no]"
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  echo "  --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]"
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  echo "  --enable-gray            enable full grayscale support (slower color)"
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  echo "  --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 "  --as=AS                  use assembler AS [$as_default]"
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  echo "  --cc=CC                  use C compiler CC [$cc_default]"
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  echo "  --host-cc=HOSTCC         use host C compiler HOSTCC"
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  echo "  --host-cflags=HCFLAGS    use HCFLAGS when compiling for host"
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  echo "  --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host"
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  echo "  --host-libs=HLIBS        use libs HLIBS when linking for host"
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  echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
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  echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
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  echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
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  echo "  --extra-version=STRING   version string suffix []"
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  echo "  --build-suffix=SUFFIX    library name suffix []"
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  echo "  --arch=ARCH              select architecture [$arch]"
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  echo "  --cpu=CPU                select the minimum required CPU (affects"
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  echo "                           instruction selection, may crash on older CPUs)"
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  echo "  --enable-powerpc-perf    enable performance report on PPC"
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  echo "                           (requires enabling PMC)"
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  echo "  --disable-altivec        disable AltiVec optimizations"
197
  echo "  --disable-amd3dnow       disable 3DNow! optimizations"
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  echo "  --disable-amd3dnowext    disable 3DNow! extended optimizations"
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  echo "  --disable-mmx            disable MMX optimizations"
200
  echo "  --disable-mmx2           disable MMX2 optimizations"
201
  echo "  --disable-sse            disable SSE optimizations"
202
  echo "  --disable-ssse3          disable SSSE3 optimizations"
203
  echo "  --disable-armv5te        disable armv5te optimizations"
204
  echo "  --disable-armv6          disable armv6 optimizations"
205
  echo "  --disable-armv6t2        disable armv6t2 optimizations"
206
  echo "  --disable-armvfp         disable ARM VFP optimizations"
207
  echo "  --disable-iwmmxt         disable iwmmxt optimizations"
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  echo "  --disable-mmi            disable MMI optimizations"
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  echo "  --disable-neon           disable neon optimizations"
210
  echo "  --disable-vis            disable VIS optimizations"
211
  echo "  --disable-yasm           disable use of yasm assembler"
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  echo
213
  echo "Developer options (useful when working on FFmpeg itself):"
214
  echo "  --disable-debug          disable debugging symbols"
215
  echo "  --enable-debug=LEVEL     set the debug level [$debuglevel]"
216
  echo "  --enable-gprof           enable profiling with gprof [$gprof]"
217
  echo "  --disable-optimizations  disable compiler optimizations"
218
  echo "  --enable-extra-warnings  enable more compiler warnings"
219
  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
223
}
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225
log(){
226
    echo "$@" >> $logfile
227
}
228

    
229
log_file(){
230
    log BEGIN $1
231
    pr -n -t $1 >> $logfile
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    log END $1
233
}
234

    
235
echolog(){
236
    log "$@"
237
    echo "$@"
238
}
239

    
240
die(){
241
    echolog "$@"
242
    cat <<EOF
243
If you think configure made a mistake, make sure you are using the latest
244
version from SVN.  If the latest version fails, report the problem to the
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ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
246
EOF
247
    if disabled logging; then
248
        cat <<EOF
249
Rerun configure with logging enabled (do not use --disable-logging), and
250
include the log this produces with your report.
251
EOF
252
    else
253
cat <<EOF
254
Include the log file "$logfile" produced by configure as this will help
255
solving the problem.
256
EOF
257
    fi
258
    exit 1
259
}
260

    
261
# Avoid locale weirdness, besides we really just want to translate ASCII.
262
toupper(){
263
    echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
264
}
265

    
266
tolower(){
267
    echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
268
}
269

    
270
c_escape(){
271
    echo "$*" | sed 's/["\\]/\\\0/g'
272
}
273

    
274
set_all(){
275
    value=$1
276
    shift
277
    for var in $*; do
278
        eval $var=$value
279
    done
280
}
281

    
282
set_weak(){
283
    value=$1
284
    shift
285
    for var; do
286
        eval : \${$var:=$value}
287
    done
288
}
289

    
290
pushvar(){
291
    for var in $*; do
292
        eval level=\${${var}_level:=0}
293
        eval ${var}_${level}="\$$var"
294
        eval ${var}_level=$(($level+1))
295
    done
296
}
297

    
298
popvar(){
299
    for var in $*; do
300
        eval level=\${${var}_level:-0}
301
        test $level = 0 && continue
302
        eval level=$(($level-1))
303
        eval $var="\${${var}_${level}}"
304
        eval ${var}_level=$level
305
        eval unset ${var}_${level}
306
    done
307
}
308

    
309
enable(){
310
    set_all yes $*
311
}
312

    
313
disable(){
314
    set_all no $*
315
}
316

    
317
enable_weak(){
318
    set_weak yes $*
319
}
320

    
321
disable_weak(){
322
    set_weak no $*
323
}
324

    
325
enable_safe(){
326
    enable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
327
}
328

    
329
disable_safe(){
330
    disable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
331
}
332

    
333
do_enable_deep(){
334
    for var; do
335
        enabled $var && continue
336
        eval sel="\$${var}_select"
337
        eval sgs="\$${var}_suggest"
338
        pushvar var sgs
339
        enable_deep $sel
340
        popvar sgs
341
        enable_deep_weak $sgs
342
        popvar var
343
    done
344
}
345

    
346
enable_deep(){
347
    do_enable_deep $*
348
    enable $*
349
}
350

    
351
enable_deep_weak(){
352
    do_enable_deep $*
353
    enable_weak $*
354
}
355

    
356
enabled(){
357
    test "${1#!}" = "$1" && op== || op=!=
358
    eval test "x\$${1#!}" $op "xyes"
359
}
360

    
361
disabled(){
362
    test "${1#!}" = "$1" && op== || op=!=
363
    eval test "x\$${1#!}" $op "xno"
364
}
365

    
366
enabled_all(){
367
    for opt; do
368
        enabled $opt || return 1
369
    done
370
}
371

    
372
disabled_all(){
373
    for opt; do
374
        disabled $opt || return 1
375
    done
376
}
377

    
378
enabled_any(){
379
    for opt; do
380
        enabled $opt && return 0
381
    done
382
}
383

    
384
disabled_any(){
385
    for opt; do
386
        disabled $opt && return 0
387
    done
388
    return 1
389
}
390

    
391
set_default(){
392
    for opt; do
393
        eval : \${$opt:=\$${opt}_default}
394
    done
395
}
396

    
397
is_in(){
398
    value=$1
399
    shift
400
    for var in $*; do
401
        [ $var = $value ] && return 0
402
    done
403
    return 1
404
}
405

    
406
check_deps(){
407
    for cfg; do
408
        cfg="${cfg#!}"
409
        enabled ${cfg}_checking && die "Circular dependency for $cfg."
410
        disabled ${cfg}_checking && continue
411
        enable ${cfg}_checking
412

    
413
        eval dep_all="\$${cfg}_deps"
414
        eval dep_any="\$${cfg}_deps_any"
415
        eval dep_sel="\$${cfg}_select"
416
        eval dep_sgs="\$${cfg}_suggest"
417

    
418
        pushvar cfg dep_all dep_any dep_sel dep_sgs
419
        check_deps $dep_all $dep_any $dep_sel $dep_sgs
420
        popvar cfg dep_all dep_any dep_sel dep_sgs
421

    
422
        enabled_all  $dep_all || disable $cfg
423
        enabled_any  $dep_any || disable $cfg
424
        disabled_any $dep_sel && disable $cfg
425

    
426
        if enabled $cfg; then
427
            eval dep_extralibs="\$${cfg}_extralibs"
428
            test -n "$dep_extralibs" && add_extralibs $dep_extralibs
429
            enable_deep $dep_sel
430
            enable_deep_weak $dep_sgs
431
        fi
432

    
433
        disable ${cfg}_checking
434
    done
435
}
436

    
437
print_config(){
438
    pfx=$1
439
    header=$2
440
    makefile=$3
441
    shift 3
442
    for cfg; do
443
        ucname="`toupper $cfg`"
444
        if enabled $cfg; then
445
            echo "#define ${pfx}${ucname} 1" >> $header
446
            echo "${pfx}${ucname}=yes" >> $makefile
447
        else
448
            echo "#define ${pfx}${ucname} 0" >> $header
449
        fi
450
    done
451
}
452

    
453
flags_saved(){
454
    (: ${SAVE_CFLAGS?}) 2> /dev/null
455
}
456

    
457
save_flags(){
458
    flags_saved && return
459
    SAVE_CFLAGS="$CFLAGS"
460
    SAVE_LDFLAGS="$LDFLAGS"
461
    SAVE_extralibs="$extralibs"
462
}
463

    
464
restore_flags(){
465
    flags_saved || return
466
    CFLAGS="$SAVE_CFLAGS"
467
    LDFLAGS="$SAVE_LDFLAGS"
468
    extralibs="$SAVE_extralibs"
469
    unset SAVE_CFLAGS
470
    unset SAVE_LDFLAGS
471
    unset SAVE_extralibs
472
}
473

    
474
temp_cflags(){
475
    save_flags
476
    CFLAGS="$CFLAGS $*"
477
}
478

    
479
temp_ldflags(){
480
    save_flags
481
    LDFLAGS="$LDFLAGS $*"
482
}
483

    
484
temp_extralibs(){
485
    save_flags
486
    extralibs="$extralibs $*"
487
}
488

    
489
append(){
490
    var=$1
491
    shift
492
    flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
493
    eval "$var=\"\$$var $*\""
494
}
495

    
496
add_cflags(){
497
    append CFLAGS "$@"
498
}
499

    
500
add_ldflags(){
501
    append LDFLAGS "$@"
502
}
503

    
504
add_extralibs(){
505
    append extralibs "$@"
506
}
507

    
508
check_cmd(){
509
    log "$@"
510
    "$@" >> $logfile 2>&1
511
}
512

    
513
check_cc(){
514
    log check_cc "$@"
515
    cat > $TMPC
516
    log_file $TMPC
517
    check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
518
}
519

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

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

    
534
check_asm(){
535
    log check_asm "$@"
536
    name="$1"
537
    asm="$2"
538
    shift 2
539
    check_as "$@" <<EOF && enable $name || disable $name
540
void foo(void){ __asm__ volatile($asm); }
541
EOF
542
}
543

    
544
check_yasm(){
545
    log check_yasm "$@"
546
    echo "$1" > $TMPS
547
    log_file $TMPS
548
    shift 1
549
    check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
550
}
551

    
552
check_ld(){
553
    log check_ld "$@"
554
    check_cc || return
555
    flags=''
556
    libs=''
557
    for f; do
558
        test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
559
    done
560
    check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
561
}
562

    
563
check_cflags(){
564
    log check_cflags "$@"
565
    check_cc "$@" <<EOF && add_cflags "$@"
566
int x;
567
EOF
568
}
569

    
570
check_ldflags(){
571
    log check_ldflags "$@"
572
    check_ld "$@" <<EOF && add_ldflags "$@"
573
int main(void){ return 0; }
574
EOF
575
}
576

    
577
check_header(){
578
    log check_header "$@"
579
    header=$1
580
    shift
581
    disable_safe $header
582
    check_cpp "$@" <<EOF && enable_safe $header
583
#include <$header>
584
int x;
585
EOF
586
}
587

    
588
check_func(){
589
    log check_func "$@"
590
    func=$1
591
    shift
592
    disable $func
593
    check_ld "$@" <<EOF && enable $func
594
extern int $func();
595
int main(void){ $func(); }
596
EOF
597
}
598

    
599
check_func_headers(){
600
    log check_func_headers "$@"
601
    headers=$1
602
    func=$2
603
    shift 2
604
    disable $func
605
    incs=""
606
    for hdr in $headers; do
607
        incs="$incs
608
#include <$hdr>"
609
    done
610
    check_ld "$@" <<EOF && enable $func && enable_safe $headers
611
$incs
612
int main(int argc, char **argv){
613
    (void) $func;
614
    return 0;
615
}
616
EOF
617
}
618

    
619
check_cpp_condition(){
620
    log check_cpp_condition "$@"
621
    header=$1
622
    condition=$2
623
    check_cpp <<EOF
624
#include <$header>
625
#if !($condition)
626
#error "unsatisfied condition: $condition"
627
#endif
628
EOF
629
}
630

    
631
check_lib(){
632
    log check_lib "$@"
633
    header="$1"
634
    func="$2"
635
    shift 2
636
    temp_extralibs "$@"
637
    check_header $header && check_func $func && add_extralibs "$@"
638
    err=$?
639
    restore_flags
640
    return $err
641
}
642

    
643
check_lib2(){
644
    log check_lib2 "$@"
645
    headers="$1"
646
    func="$2"
647
    shift 2
648
    temp_extralibs "$@"
649
    check_func_headers "$headers" $func && add_extralibs "$@"
650
    err=$?
651
    restore_flags
652
    return $err
653
}
654

    
655
check_exec(){
656
    check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
657
}
658

    
659
check_exec_crash(){
660
    code=`cat`
661

    
662
    # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
663
    # are safe but may not be available everywhere.  Thus we use
664
    # raise(SIGTERM) instead.  The check is run in a subshell so we
665
    # can redirect the "Terminated" message from the shell.  SIGBUS
666
    # is not defined by standard C so it is used conditionally.
667

    
668
    (check_exec "$@") >> $logfile 2>&1 <<EOF
669
#include <signal.h>
670
static void sighandler(int sig){
671
    raise(SIGTERM);
672
}
673
int main(void){
674
    signal(SIGILL, sighandler);
675
    signal(SIGFPE, sighandler);
676
    signal(SIGSEGV, sighandler);
677
#ifdef SIGBUS
678
    signal(SIGBUS, sighandler);
679
#endif
680
    { $code }
681
}
682
EOF
683
}
684

    
685
check_type(){
686
    log check_type "$@"
687
    headers=$1
688
    type=$2
689
    shift 2
690
    disable $type
691
    incs=""
692
    for hdr in $headers; do
693
        incs="$incs
694
#include <$hdr>"
695
    done
696
    check_cc "$@" <<EOF && enable $type
697
$incs
698
$type v;
699
EOF
700
}
701

    
702
require(){
703
    name="$1"
704
    header="$2"
705
    func="$3"
706
    shift 3
707
    check_lib $header $func "$@" || die "ERROR: $name not found"
708
}
709

    
710
require2(){
711
    name="$1"
712
    headers="$2"
713
    func="$3"
714
    shift 3
715
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
716
}
717

    
718
check_foo_config(){
719
    cfg=$1
720
    pkg=$2
721
    header=$3
722
    func=$4
723
    shift 4
724
    disable $cfg
725
    check_cmd ${pkg}-config --version
726
    err=$?
727
    if test "$err" = 0; then
728
        temp_cflags `${pkg}-config --cflags`
729
        temp_extralibs `${pkg}-config --libs`
730
        check_lib "$@" $header $func && enable $cfg
731
    fi
732
    return $err
733
}
734

    
735
apply(){
736
    file=$1
737
    shift
738
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
739
}
740

    
741
# CONFIG_LIST contains configurable options, while HAVE_LIST is for
742
# system-dependent things.
743

    
744
COMPONENT_LIST="
745
    bsfs
746
    decoders
747
    demuxers
748
    encoders
749
    filters
750
    indevs
751
    muxers
752
    outdevs
753
    parsers
754
    protocols
755
"
756

    
757
CONFIG_LIST="
758
    $COMPONENT_LIST
759
    aandct
760
    avfilter
761
    avfilter_lavf
762
    avisynth
763
    beos_netserver
764
    bzlib
765
    fastdiv
766
    ffmpeg
767
    ffplay
768
    ffserver
769
    fft
770
    golomb
771
    gpl
772
    gprof
773
    gray
774
    hardcoded_tables
775
    ipv6
776
    libamr_nb
777
    libamr_wb
778
    libdc1394
779
    libdirac
780
    libfaac
781
    libfaad
782
    libfaadbin
783
    libgsm
784
    libmp3lame
785
    libnut
786
    libopenjpeg
787
    libschroedinger
788
    libspeex
789
    libtheora
790
    libvorbis
791
    libx264
792
    libxvid
793
    mdct
794
    memalign_hack
795
    mlib
796
    mpegaudio_hp
797
    network
798
    nonfree
799
    postproc
800
    powerpc_perf
801
    rdft
802
    shared
803
    small
804
    static
805
    x11grab
806
    zlib
807
"
808

    
809
THREADS_LIST='
810
    beosthreads
811
    os2threads
812
    pthreads
813
    w32threads
814
'
815

    
816
ARCH_LIST='
817
    alpha
818
    arm
819
    bfin
820
    ia64
821
    m68k
822
    mips
823
    parisc
824
    ppc
825
    s390
826
    sh4
827
    sparc
828
    sparc64
829
    x86
830
    x86_32
831
    x86_64
832
'
833

    
834
ARCH_EXT_LIST='
835
    altivec
836
    amd3dnow
837
    amd3dnowext
838
    armv5te
839
    armv6
840
    armv6t2
841
    armvfp
842
    iwmmxt
843
    mmi
844
    mmx
845
    mmx2
846
    neon
847
    ppc4xx
848
    sse
849
    ssse3
850
    vis
851
'
852

    
853
HAVE_LIST="
854
    $ARCH_EXT_LIST
855
    $THREADS_LIST
856
    alsa_asoundlib_h
857
    altivec_h
858
    arpa_inet_h
859
    bswap
860
    closesocket
861
    cmov
862
    conio_h
863
    dcbzl
864
    dev_bktr_ioctl_bt848_h
865
    dev_bktr_ioctl_meteor_h
866
    dev_ic_bt8xx_h
867
    dev_video_meteor_ioctl_meteor_h
868
    dev_video_bktr_ioctl_bt848_h
869
    dlfcn_h
870
    dlopen
871
    dos_paths
872
    ebp_available
873
    ebx_available
874
    fast_64bit
875
    fast_cmov
876
    fast_unaligned
877
    fork
878
    gethrtime
879
    GetProcessTimes
880
    getrusage
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
"
920

    
921
CMDLINE_SELECT="
922
    $ARCH_EXT_LIST
923
    $CONFIG_LIST
924
    $THREADS_LIST
925
    cross_compile
926
    debug
927
    extra_warnings
928
    logging
929
    optimizations
930
    stripping
931
    yasm
932
"
933

    
934
PATHS_LIST='
935
    bindir
936
    datadir
937
    incdir
938
    libdir
939
    mandir
940
    prefix
941
    shlibdir
942
'
943

    
944
CMDLINE_SET="
945
    $PATHS_LIST
946
    arch
947
    as
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
# decoders / encoders
988
aac_decoder_select="fft mdct"
989
ac3_decoder_deps="gpl"
990
ac3_decoder_select="fft mdct"
991
atrac3_decoder_select="fft mdct"
992
cavs_decoder_select="golomb"
993
cook_decoder_select="fft mdct"
994
cscd_decoder_suggest="zlib"
995
dca_decoder_select="fft mdct"
996
dnxhd_encoder_select="aandct"
997
dxa_decoder_select="zlib"
998
eac3_decoder_deps="gpl"
999
eac3_decoder_select="fft mdct"
1000
eatgq_decoder_select="aandct"
1001
eatqi_decoder_select="aandct"
1002
ffv1_decoder_select="golomb"
1003
flac_decoder_select="golomb"
1004
flac_encoder_select="golomb"
1005
flashsv_decoder_select="zlib"
1006
flashsv_encoder_select="zlib"
1007
flv_encoder_select="aandct"
1008
h261_encoder_select="aandct"
1009
h263_encoder_select="aandct"
1010
h263p_encoder_select="aandct"
1011
h264_decoder_select="golomb"
1012
h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1013
imc_decoder_select="fft mdct"
1014
jpegls_decoder_select="golomb"
1015
jpegls_encoder_select="golomb"
1016
ljpeg_encoder_select="aandct"
1017
loco_decoder_select="golomb"
1018
mjpeg_encoder_select="aandct"
1019
mpeg1video_encoder_select="aandct"
1020
mpeg2video_encoder_select="aandct"
1021
mpeg4_encoder_select="aandct"
1022
mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1023
mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1024
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1025
msmpeg4v1_encoder_select="aandct"
1026
msmpeg4v2_encoder_select="aandct"
1027
msmpeg4v3_encoder_select="aandct"
1028
nellymoser_decoder_select="fft mdct"
1029
nellymoser_encoder_select="fft mdct"
1030
png_decoder_select="zlib"
1031
png_encoder_select="zlib"
1032
qdm2_decoder_select="fft mdct rdft"
1033
rv10_encoder_select="aandct"
1034
rv20_encoder_select="aandct"
1035
rv30_decoder_select="golomb"
1036
rv40_decoder_select="golomb"
1037
shorten_decoder_select="golomb"
1038
sonic_decoder_select="golomb"
1039
sonic_encoder_select="golomb"
1040
sonic_ls_encoder_select="golomb"
1041
svq3_decoder_select="golomb"
1042
svq3_decoder_suggest="zlib"
1043
tiff_decoder_suggest="zlib"
1044
tiff_encoder_suggest="zlib"
1045
tscc_decoder_select="zlib"
1046
vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1047
vorbis_decoder_select="fft mdct"
1048
vorbis_encoder_select="fft mdct"
1049
wmav1_decoder_select="fft mdct"
1050
wmav1_encoder_select="fft mdct"
1051
wmav2_decoder_select="fft mdct"
1052
wmav2_encoder_select="fft mdct"
1053
wmv1_encoder_select="aandct"
1054
wmv2_encoder_select="aandct"
1055
wmv3_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1056
zlib_decoder_select="zlib"
1057
zlib_encoder_select="zlib"
1058
zmbv_decoder_select="zlib"
1059
zmbv_encoder_select="zlib"
1060

    
1061
# external libraries
1062
libamr_nb_decoder_deps="libamr_nb"
1063
libamr_nb_encoder_deps="libamr_nb"
1064
libamr_wb_decoder_deps="libamr_wb"
1065
libamr_wb_encoder_deps="libamr_wb"
1066
libdirac_decoder_deps="libdirac !libschroedinger"
1067
libdirac_encoder_deps="libdirac"
1068
libfaac_encoder_deps="libfaac"
1069
libfaad_decoder_deps="libfaad"
1070
libfaadbin_decoder_extralibs='$ldl'
1071
libgsm_decoder_deps="libgsm"
1072
libgsm_encoder_deps="libgsm"
1073
libgsm_ms_decoder_deps="libgsm"
1074
libgsm_ms_encoder_deps="libgsm"
1075
libmp3lame_encoder_deps="libmp3lame"
1076
libopenjpeg_decoder_deps="libopenjpeg"
1077
libschroedinger_decoder_deps="libschroedinger"
1078
libschroedinger_encoder_deps="libschroedinger"
1079
libspeex_decoder_deps="libspeex"
1080
libtheora_encoder_deps="libtheora"
1081
libvorbis_encoder_deps="libvorbis"
1082
libx264_encoder_deps="libx264"
1083
libxvid_encoder_deps="libxvid"
1084

    
1085
# demuxers / muxers
1086
ac3_demuxer_deps="ac3_parser"
1087
alsa_demuxer_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1088
alsa_demuxer_extralibs="-lasound"
1089
alsa_muxer_deps="alsa_asoundlib_h"
1090
alsa_muxer_extralibs="-lasound"
1091
audio_beos_demuxer_deps="audio_beos"
1092
audio_beos_demuxer_extralibs="-lmedia -lbe"
1093
audio_beos_muxer_deps="audio_beos"
1094
audio_beos_muxer_extralibs="-lmedia -lbe"
1095
avisynth_demuxer_deps="avisynth"
1096
bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1097
dirac_demuxer_deps="dirac_parser"
1098
dv1394_demuxer_deps="dv1394 dv_demuxer"
1099
libdc1394_demuxer_deps="libdc1394"
1100
libnut_demuxer_deps="libnut"
1101
libnut_muxer_deps="libnut"
1102
matroska_demuxer_suggest="zlib bzlib"
1103
mov_demuxer_suggest="zlib"
1104
mp3_demuxer_deps="mpegaudio_parser"
1105
oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
1106
oss_muxer_deps_any="soundcard_h sys_soundcard_h"
1107
redir_demuxer_deps="network"
1108
rtp_muxer_deps="network rtp_protocol"
1109
rtsp_demuxer_deps="sdp_demuxer"
1110
sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1111
v4l_demuxer_deps="linux_videodev_h"
1112
v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
1113
vfwcap_demuxer_deps="capCreateCaptureWindow"
1114
vfwcap_demuxer_extralibs="-lvfw32"
1115
x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
1116
x11_grab_device_demuxer_extralibs="-lX11 -lXext"
1117

    
1118
# protocols
1119
gopher_protocol_deps="network"
1120
http_protocol_deps="network"
1121
rtp_protocol_deps="udp_protocol"
1122
tcp_protocol_deps="network"
1123
udp_protocol_deps="network"
1124

    
1125
# filters
1126
movie_filter_deps="avfilter_lavf"
1127

    
1128
# programs
1129
ffplay_deps="sdl"
1130
ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1131
ffserver_extralibs='$ldl'
1132

    
1133

    
1134
# default parameters
1135

    
1136
logfile="config.err"
1137

    
1138
# installation paths
1139
prefix_default="/usr/local"
1140
bindir_default='${prefix}/bin'
1141
datadir_default='${prefix}/share/ffmpeg'
1142
incdir_default='${prefix}/include'
1143
libdir_default='${prefix}/lib'
1144
mandir_default='${prefix}/share/man'
1145
shlibdir_default="$libdir_default"
1146

    
1147
# toolchain
1148
ar="ar"
1149
as_default="gcc"
1150
cc_default="gcc"
1151
host_cc_default="gcc"
1152
ln_s="ln -sf"
1153
nm_default="nm"
1154
objformat="elf"
1155
ranlib="ranlib"
1156
strip="strip"
1157
yasmexe="yasm"
1158

    
1159
# machine
1160
arch=`uname -m`
1161
cpu="generic"
1162

    
1163
# OS
1164
target_os=$(tolower $(uname -s))
1165

    
1166
# configurable options
1167
enable debug
1168
enable ffmpeg
1169
enable ffplay
1170
enable ffserver
1171
enable ipv6
1172
enable mpegaudio_hp
1173
enable network
1174
enable optimizations
1175
enable protocols
1176
enable static
1177
enable stripping
1178

    
1179
# build settings
1180
add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1181
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1182
FFSERVERLDFLAGS=-Wl,-E
1183
LIBPREF="lib"
1184
LIBSUF=".a"
1185
FULLNAME='$(NAME)$(BUILDSUF)'
1186
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1187
SLIBPREF="lib"
1188
SLIBSUF=".so"
1189
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1190
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1191
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1192
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1193

    
1194
host_cflags='-O3 -g -Wall'
1195
host_libs='-lm'
1196

    
1197
target_path='.'
1198

    
1199
# gcc stupidly only outputs the basename of targets with -MM, but we need the
1200
# full relative path for objects in subdirectories for non-recursive Make.
1201
DEPEND_CMD='$(CC) $(CFLAGS) -MM $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1202

    
1203
# find source path
1204
source_path="`dirname \"$0\"`"
1205
enable source_path_used
1206
if test -z "$source_path" -o "$source_path" = "." ; then
1207
    source_path="`pwd`"
1208
    disable source_path_used
1209
else
1210
    source_path="`cd \"$source_path\"; pwd`"
1211
    echo "$source_path" | grep -q '[[:blank:]]' &&
1212
        die "Out of tree builds are impossible with whitespace in source path."
1213
fi
1214

    
1215
FFMPEG_CONFIGURATION="$@"
1216

    
1217
find_things(){
1218
    thing=$1
1219
    pattern=$2
1220
    file=$source_path/$3
1221
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1222
}
1223

    
1224
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1225
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1226
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1227
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1228
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1229
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1230
OUTDEV_LIST=$(find_things   muxer    _MUX     libavdevice/alldevices.c)
1231
INDEV_LIST=$(find_things    demuxer  DEMUX    libavdevice/alldevices.c)
1232
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1233
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1234

    
1235
enable $ARCH_EXT_LIST \
1236
       $DECODER_LIST \
1237
       $ENCODER_LIST \
1238
       $PARSER_LIST \
1239
       $BSF_LIST \
1240
       $DEMUXER_LIST \
1241
       $MUXER_LIST \
1242
       $FILTER_LIST \
1243
       $PROTOCOL_LIST \
1244
       $INDEV_LIST \
1245
       $OUTDEV_LIST \
1246

    
1247
die_unknown(){
1248
    echo "Unknown option \"$1\"."
1249
    echo "See $0 --help for available options."
1250
    exit 1
1251
}
1252

    
1253
show_list() {
1254
    suffix=_$1
1255
    shift
1256
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1257
    exit 0
1258
}
1259

    
1260
for opt do
1261
    optval="${opt#*=}"
1262
    case "$opt" in
1263
    --extra-cflags=*) add_cflags $optval
1264
    ;;
1265
    --extra-ldflags=*) add_ldflags $optval
1266
    ;;
1267
    --extra-libs=*) add_extralibs $optval
1268
    ;;
1269
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1270
    ;;
1271
    --enable-debug=*) debuglevel="$optval"
1272
    ;;
1273
    --enable-*=*|--disable-*=*)
1274
    eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1275
    case "$thing" in
1276
        encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1277
        *) die_unknown "$opt" ;;
1278
    esac
1279
    ;;
1280
    --enable-?*|--disable-?*)
1281
    eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1282
    if is_in $option $COMPONENT_LIST; then
1283
        eval $action \$$(toupper ${option%s})_LIST
1284
    elif is_in $option $CMDLINE_SELECT; then
1285
        $action $option
1286
    else
1287
        die_unknown $opt
1288
    fi
1289
    ;;
1290
    --list-*)
1291
        NAME="${opt#--list-}"
1292
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1293
        NAME=${NAME%s}
1294
        eval show_list $NAME \$$(toupper $NAME)_LIST
1295
    ;;
1296
    --help|-h) show_help
1297
    ;;
1298
    *)
1299
    optname="${opt%%=*}"
1300
    optname="${optname#--}"
1301
    optname=$(echo "$optname" | sed 's/-/_/g')
1302
    is_in $optname $CMDLINE_SET || die_unknown $opt
1303
    eval $optname='$optval'
1304
    ;;
1305
    esac
1306
done
1307

    
1308
disabled logging && logfile=/dev/null
1309

    
1310
echo "# $0 $@" > $logfile
1311
set >> $logfile
1312

    
1313
test -n "$cross_prefix" && enable cross_compile
1314

    
1315
ar="${cross_prefix}${ar}"
1316
as_default="${cross_prefix}${as_default}"
1317
cc_default="${cross_prefix}${cc_default}"
1318
nm_default="${cross_prefix}${nm_default}"
1319
ranlib="${cross_prefix}${ranlib}"
1320
strip="${cross_prefix}${strip}"
1321

    
1322
sysinclude_default="${sysroot}/usr/include"
1323

    
1324
set_default as cc nm sysinclude
1325
enabled cross_compile || host_cc_default=$cc
1326
set_default host_cc
1327

    
1328
case $target_os in
1329
    mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) EXESUF=.exe ;;
1330
esac
1331

    
1332
# set temporary file name
1333
: ${TMPDIR:=$TEMPDIR}
1334
: ${TMPDIR:=$TMP}
1335
: ${TMPDIR:=/tmp}
1336

    
1337
if ! check_cmd type mktemp; then
1338
    # simple replacement for missing mktemp
1339
    # NOT SAFE FOR GENERAL USE
1340
    mktemp(){
1341
        echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1342
    }
1343
fi
1344

    
1345
tmpfile(){
1346
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1347
        (set -C; exec > $tmp) 2>/dev/null ||
1348
        die "Unable to create temoporary file in $TMPDIR."
1349
    append TMPFILES $tmp
1350
    eval $1=$tmp
1351
}
1352

    
1353
trap 'rm -f -- $TMPFILES' EXIT
1354
trap exit HUP INT TERM
1355

    
1356
tmpfile TMPC  .c
1357
tmpfile TMPE  $EXESUF
1358
tmpfile TMPH  .h
1359
tmpfile TMPO  .o
1360
tmpfile TMPS  .S
1361
tmpfile TMPSH .sh
1362

    
1363
unset -f mktemp
1364

    
1365
# make sure we can execute files in $TMPDIR
1366
cat > $TMPSH 2>> $logfile <<EOF
1367
#! /bin/sh
1368
EOF
1369
chmod +x $TMPSH >> $logfile 2>&1
1370
if ! $TMPSH >> $logfile 2>&1; then
1371
    cat <<EOF
1372
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1373
variable to another directory and make sure that it is not mounted noexec.
1374
EOF
1375
    die "Sanity test failed."
1376
fi
1377

    
1378
if   $cc --version 2>/dev/null | grep -qi gcc; then
1379
    cc_type=gcc
1380
elif $cc --version 2>/dev/null | grep -q Intel; then
1381
    cc_type=icc
1382
elif $cc -v 2>&1 | grep -q xlc; then
1383
    cc_type=xlc
1384
elif $cc -V 2>/dev/null | grep -q Compaq; then
1385
    cc_type=ccc
1386
    DEPEND_CMD='$(CC) $(CFLAGS) -M $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1387
    debuglevel=3
1388
    add_ldflags -Wl,-z,now # calls to libots crash without this
1389
elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1390
    test -d "$sysroot" || die "No valid sysroot specified."
1391
    cc_type=armcc
1392
    armcc_conf="$PWD/armcc.conf"
1393
    $cc --arm_linux_configure                 \
1394
        --arm_linux_config_file="$armcc_conf" \
1395
        --configure_sysroot="$sysroot"        \
1396
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1397
        die "Error creating armcc configuration file."
1398
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1399
fi
1400

    
1401
test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1402

    
1403
if test -n "$sysroot"; then
1404
    case "$cc_type" in
1405
        gcc)
1406
            add_cflags  --sysroot="$sysroot"
1407
            add_ldflags --sysroot="$sysroot"
1408
        ;;
1409
    esac
1410
fi
1411

    
1412
# compiler sanity check
1413
check_exec <<EOF
1414
int main(void){ return 0; }
1415
EOF
1416
if test "$?" != 0; then
1417
    echo "$cc is unable to create an executable file."
1418
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
1419
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1420
        echo "Only do this if you know what cross compiling means."
1421
    fi
1422
    die "C compiler test failed."
1423
fi
1424

    
1425
check_cflags -std=c99
1426
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cflags -D_FILE_OFFSET_BITS=64
1427
#include <stdlib.h>
1428
EOF
1429
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cflags -D_LARGEFILE_SOURCE
1430
#include <stdlib.h>
1431
EOF
1432

    
1433
case "$arch" in
1434
    alpha)
1435
        arch="alpha"
1436
        enable fast_64bit
1437
        check_cflags -mieee
1438
    ;;
1439
    arm|armv[4567]*l)
1440
        arch="arm"
1441
    ;;
1442
    avr32)
1443
    ;;
1444
    bfin)
1445
        arch="bfin"
1446
    ;;
1447
    ia64)
1448
        arch="ia64"
1449
        enable fast_64bit
1450
    ;;
1451
    m68k)
1452
        arch="m68k"
1453
    ;;
1454
    mips|mipsel|IP*)
1455
        arch="mips"
1456
    ;;
1457
    mips64)
1458
        arch="mips"
1459
        enable fast_64bit
1460
    ;;
1461
    parisc|hppa)
1462
        arch="parisc"
1463
    ;;
1464
    parisc64|hppa64)
1465
        arch="parisc"
1466
        enable fast_64bit
1467
    ;;
1468
    "Power Macintosh"|ppc|powerpc)
1469
        arch="ppc"
1470
        enable fast_unaligned
1471
    ;;
1472
    ppc64)
1473
        arch="ppc"
1474
        enable fast_64bit
1475
        enable fast_unaligned
1476
    ;;
1477
    s390|s390x)
1478
        arch="s390"
1479
    ;;
1480
    sh4|sh)
1481
        arch="sh4"
1482
    ;;
1483
    sparc)
1484
        arch="sparc"
1485
    ;;
1486
    sun4u|sparc64)
1487
        arch="sparc"
1488
        subarch="sparc64"
1489
        enable fast_64bit
1490
    ;;
1491
    i386|i486|i586|i686|i86pc|BePC)
1492
        arch="x86"
1493
        subarch="x86_32"
1494
        enable fast_unaligned
1495
    ;;
1496
    x86_64|amd64)
1497
        arch="x86"
1498
        subarch="x86_32"
1499
        enable cmov
1500
        enable fast_cmov
1501
        enable fast_unaligned
1502
        check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1503
        int test[sizeof(char*) - 7];
1504
EOF
1505
    ;;
1506
    *)
1507
        arch="unknown"
1508
    ;;
1509
esac
1510

    
1511
enable $arch $subarch
1512

    
1513
# OS specific
1514
case $target_os in
1515
    beos|haiku|zeta)
1516
        prefix_default="$HOME/config"
1517
        # helps building libavcodec
1518
        add_cflags -DPIC -fomit-frame-pointer
1519
        # 3 gcc releases known for BeOS, each with ugly bugs
1520
        gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1521
        case "$gcc_version" in
1522
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1523
            disable mmx
1524
            ;;
1525
          *20010315*) echo "BeBits gcc"
1526
            add_cflags -fno-expensive-optimizations
1527
            ;;
1528
        esac
1529
        SHFLAGS=-nostart
1530
        # enable BeOS things
1531
        enable audio_beos
1532
        # no need for libm, but the inet stuff
1533
        # Check for BONE
1534
        # XXX: actually should check for NOT net_server
1535
        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1536
            network_extralibs="-lbind -lsocket"
1537
        else
1538
            enable beos_netserver
1539
            network_extralibs="-lnet"
1540
        fi ;;
1541
    sunos)
1542
        FFSERVERLDFLAGS=""
1543
        SHFLAGS='-shared -Wl,-h,$$(@F)'
1544
        network_extralibs="-lsocket -lnsl"
1545
        add_cflags -D__EXTENSIONS__
1546
        ;;
1547
    netbsd)
1548
        oss_demuxer_extralibs="-lossaudio"
1549
        oss_muxer_extralibs="-lossaudio"
1550
        ;;
1551
    openbsd)
1552
        disable need_memalign
1553
        LIBOBJFLAGS='$(PIC)'
1554
        SHFLAGS='-shared'
1555
        oss_demuxer_extralibs="-lossaudio"
1556
        oss_muxer_extralibs="-lossaudio"
1557
        ;;
1558
    freebsd)
1559
        disable need_memalign
1560
        ;;
1561
    bsd/os)
1562
        osextralibs="-lpoll -lgnugetopt"
1563
        strip="strip -d"
1564
        ;;
1565
    darwin)
1566
        disable need_memalign
1567
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1568
        strip="strip -x"
1569
        FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1570
        SLIBSUF=".dylib"
1571
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1572
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1573
        FFSERVERLDFLAGS=-Wl,-bind_at_load
1574
        objformat="macho"
1575
        enabled x86_64 && objformat="macho64"
1576
        ;;
1577
    mingw32*)
1578
        target_os=mingw32
1579
        LIBTARGET=i386
1580
        if enabled x86_64; then
1581
            disable need_memalign
1582
            LIBTARGET=x64
1583
        fi
1584
        shlibdir_default="$bindir_default"
1585
        disable ffserver
1586
        SLIBPREF=""
1587
        SLIBSUF=".dll"
1588
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1589
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1590
        SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1591
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1592
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1593
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1594
        SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1595
        objformat="win32"
1596
        enable dos_paths
1597
        if ! enabled x86_64; then
1598
            check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1599
                die "ERROR: MinGW runtime version must be >= 3.15."
1600
            enabled_any avisynth vfwcap_demuxer &&
1601
                { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1602
                  die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1603
            fi
1604
        ;;
1605
    cygwin*)
1606
        target_os=cygwin
1607
        shlibdir_default="$bindir_default"
1608
        SLIBPREF="cyg"
1609
        SLIBSUF=".dll"
1610
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1611
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1612
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
1613
        objformat="win32"
1614
        enable dos_paths
1615
        ;;
1616
    *-dos|freedos|opendos)
1617
        disable ffplay ffserver
1618
        disable $INDEV_LIST $OUTDEV_LIST
1619
        network_extralibs="-lsocket"
1620
        objformat="coff"
1621
        enable dos_paths
1622
        ;;
1623
    linux)
1624
        enable dv1394
1625
        ;;
1626
    irix*)
1627
        target_os=irix
1628
        ranlib="echo ignoring ranlib"
1629
        ;;
1630
    os/2*)
1631
        strip="lxlite"
1632
        ln_s="cp -f"
1633
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1634
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1635
        FFSERVERLDFLAGS=""
1636
        LIBSUF="_s.a"
1637
        SLIBPREF=""
1638
        SLIBSUF=".dll"
1639
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1640
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1641
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1642
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1643
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1644
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1645
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1646
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1647
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1648
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1649
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1650
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1651
        enable dos_paths
1652
        ;;
1653

    
1654
    *)
1655
        die "Unknown OS '$target_os'."
1656
        ;;
1657
esac
1658

    
1659
set_default $PATHS_LIST
1660

    
1661
add_extralibs $osextralibs
1662

    
1663
# Combine FFLDFLAGS and the LDFLAGS environment variable.
1664
LDFLAGS="$FFLDFLAGS $LDFLAGS"
1665

    
1666
# we need to build at least one lib type
1667
if ! enabled_any static shared; then
1668
    cat <<EOF
1669
At least one library type must be built.
1670
Specify --enable-static to build the static libraries or --enable-shared to
1671
build the shared libraries as well. To only build the shared libraries specify
1672
--disable-static in addition to --enable-shared.
1673
EOF
1674
    exit 1;
1675
fi
1676

    
1677
disabled static && LIBNAME=""
1678

    
1679
if enabled_any libfaad libfaadbin ; then
1680
    if check_header faad.h; then
1681
        check_cc <<EOF
1682
#include <faad.h>
1683
#ifndef FAAD2_VERSION
1684
ok faad1
1685
#endif
1686
int main(void) { return 0; }
1687
EOF
1688
        test $? = 0 && enable libfaad2
1689
    else
1690
        die "FAAD test failed."
1691
    fi
1692
fi
1693

    
1694

    
1695
if ! enabled gpl; then
1696
    die_gpl_disabled(){
1697
        name=$1
1698
        shift
1699
        enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1700
    }
1701
    die_gpl_disabled "The Postprocessing code" postproc
1702
    die_gpl_disabled "libx264"                 libx264
1703
    die_gpl_disabled "libxvidcore"             libxvid
1704
    die_gpl_disabled "FAAD2"                   libfaad2
1705
    die_gpl_disabled "The X11 grabber"         x11grab
1706
fi
1707

    
1708
if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1709
    die "libamr is nonfree and --enable-nonfree is not specified."
1710
fi
1711

    
1712
check_deps $ARCH_EXT_LIST
1713

    
1714
test -z "$need_memalign" && need_memalign="$mmx"
1715

    
1716
#Darwin CC versions
1717
if test $target_os = darwin; then
1718
    if enabled xlc; then
1719
        add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1720
    else
1721
        add_cflags -pipe
1722
        check_cflags -force_cpusubtype_ALL
1723
        check_cflags -Wno-sign-compare
1724
        enabled shared || check_cflags -mdynamic-no-pic
1725
    fi
1726
fi
1727

    
1728
disabled optimizations || check_cflags -fomit-frame-pointer
1729

    
1730
# Add processor-specific flags
1731
if test $cpu != "generic"; then
1732
    warn_altivec(){
1733
        $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1734
    }
1735
    case $cpu in
1736
        601|ppc601|PowerPC601)
1737
            add_cflags -mcpu=601
1738
            warn_altivec enabled PPC601
1739
        ;;
1740
        603*|ppc603*|PowerPC603*)
1741
            add_cflags -mcpu=603
1742
            warn_altivec enabled PPC603
1743
        ;;
1744
        604*|ppc604*|PowerPC604*)
1745
            add_cflags -mcpu=604
1746
            warn_altivec enabled PPC604
1747
        ;;
1748
        G3|g3|75*|ppc75*|PowerPC75*)
1749
            add_cflags -mcpu=750 -mpowerpc-gfxopt
1750
            warn_altivec enabled PPC75x
1751
        ;;
1752
        G4|g4|745*|ppc745*|PowerPC745*)
1753
            add_cflags -mcpu=7450 -mpowerpc-gfxopt
1754
            warn_altivec disabled PPC745x
1755
        ;;
1756
        74*|ppc74*|PowerPC74*)
1757
            add_cflags -mcpu=7400 -mpowerpc-gfxopt
1758
            warn_altivec disabled PPC74xx
1759
        ;;
1760
        G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1761
            add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
1762
            warn_altivec disabled PPC970
1763
            enable ppc64
1764
        ;;
1765
        Cell|CELL|cell)
1766
            add_cflags -mcpu=cell
1767
            warn_altivec disabled Cell
1768
            enable ppc64
1769
        ;;
1770
        # targets that do NOT support conditional mov (cmov)
1771
        i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1772
            add_cflags -march=$cpu
1773
            disable cmov
1774
        ;;
1775
        # targets that do support conditional mov (cmov)
1776
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1777
            add_cflags -march=$cpu
1778
            enable cmov
1779
            enable fast_cmov
1780
        ;;
1781
        # targets that do support conditional mov but on which it's slow
1782
        pentium4|pentium4m|prescott|nocona)
1783
            add_cflags -march=$cpu
1784
            enable cmov
1785
            disable fast_cmov
1786
        ;;
1787
        sparc64)
1788
            add_cflags -mcpu=v9
1789
        ;;
1790
        arm11*|cortex*)
1791
            add_cflags -mcpu=$cpu
1792
            enable fast_unaligned
1793
        ;;
1794
        armv*)
1795
            add_cflags -march=$cpu
1796
        ;;
1797
        arm*)
1798
            add_cflags -mcpu=$cpu
1799
        ;;
1800
        ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1801
            enabled ccc && add_cflags -arch $cpu || add_cflags -mcpu=$cpu
1802
        ;;
1803
        *)
1804
            echo "WARNING: Unknown CPU \"$cpu\", ignored."
1805
        ;;
1806
    esac
1807
fi
1808

    
1809
check_cc <<EOF || die "Symbol mangling check failed."
1810
int ff_extern;
1811
EOF
1812
sym=$($nm -P -g $TMPO | grep ff_extern)
1813
extern_prefix=${sym%%ff_extern*}
1814

    
1815
check_cc <<EOF && enable inline_asm
1816
void foo(void) { __asm__ volatile ("" ::); }
1817
EOF
1818

    
1819
if enabled x86; then
1820
    # check whether EBP is available on x86
1821
    # As 'i' is stored on the stack, this program will crash
1822
    # if the base pointer is used to access it because the
1823
    # base pointer is cleared in the inline assembly code.
1824
    check_exec_crash <<EOF && enable ebp_available
1825
    volatile int i=0;
1826
    __asm__ volatile (
1827
        "xorl %%ebp, %%ebp"
1828
    ::: "%ebp");
1829
    return i;
1830
EOF
1831

    
1832
    # check wether EBX is available on x86
1833
    check_asm ebx_available '"":::"%ebx"'
1834

    
1835
    # check whether more than 10 operands are supported
1836
    check_cc <<EOF && enable ten_operands
1837
int main(void) {
1838
    int x=0;
1839
    __asm__ volatile(
1840
        ""
1841
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
1842
    );
1843
    return 0;
1844
}
1845
EOF
1846

    
1847
    # check whether binutils is new enough to compile SSSE3/MMX2
1848
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1849
    enabled mmx2  && check_asm mmx2  '"movss %xmm0, %xmm0"'
1850

    
1851
    check_asm bswap '"bswap %%eax" ::: "%eax"'
1852

    
1853
    YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
1854
    enabled     x86_64        && append YASMFLAGS "-m amd64"
1855
    enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1856
    case "$objformat" in
1857
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1858
        macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
1859
        *)                    append YASMFLAGS "-DPREFIX"  ;;
1860
    esac
1861
    disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
1862
fi
1863

    
1864
# check for assembler specific support
1865

    
1866
enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
1867
enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
1868

    
1869
# check for SIMD availability
1870

    
1871
# AltiVec flags: The FSF version of GCC differs from the Apple version
1872
if enabled altivec; then
1873
    check_cflags -maltivec -mabi=altivec &&
1874
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1875
        check_cflags -faltivec
1876

    
1877
    # check if our compiler supports Motorola AltiVec C API
1878
    check_cc <<EOF || disable altivec
1879
$inc_altivec_h
1880
int main(void) {
1881
    vector signed int v1, v2, v3;
1882
    v1 = vec_add(v2,v3);
1883
    return 0;
1884
}
1885
EOF
1886

    
1887
    # check if our compiler supports braces for vector declarations
1888
    check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1889
$inc_altivec_h
1890
int main (void) { (vector int) {1}; return 0; }
1891
EOF
1892
fi
1893

    
1894
# We have to check if pld is a nop and disable it.
1895
enabled arm     && check_asm pld     '"pld [r0]"'
1896
enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1897
enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
1898
enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
1899
enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
1900
enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
1901
enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
1902
enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
1903
enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1904

    
1905
enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
1906

    
1907
# ---
1908
# big/little-endian test
1909
check_cc <<EOF || die "endian test failed"
1910
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1911
EOF
1912
od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1913

    
1914
# ---
1915
# check availability of some header files
1916

    
1917
if check_func dlopen; then
1918
    ldl=
1919
elif check_func dlopen -ldl; then
1920
    ldl=-ldl
1921
fi
1922

    
1923
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
1924
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
1925

    
1926
check_func  fork
1927
check_func  gethrtime
1928
check_func  getrusage
1929
check_func  inet_aton $network_extralibs
1930
check_func  memalign
1931
check_func  mkstemp
1932
check_func  posix_memalign
1933
check_func_headers io.h setmode
1934
check_func_headers windows.h GetProcessTimes
1935

    
1936
check_header conio.h
1937
check_header dlfcn.h
1938
check_header malloc.h
1939
check_header poll.h
1940
check_header sys/mman.h
1941
check_header sys/resource.h
1942
check_header sys/select.h
1943
check_header termios.h
1944
check_header vdpau/vdpau.h
1945
check_header vdpau/vdpau_x11.h
1946
check_header X11/extensions/XvMClib.h
1947

    
1948
if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
1949
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
1950
fi
1951

    
1952
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
1953
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1954

    
1955
# check for some common methods of building with pthread support
1956
# do this before the optional library checks as some of them require pthreads
1957
if enabled pthreads; then
1958
    if check_func pthread_create; then
1959
        :
1960
    elif check_func pthread_create -pthread; then
1961
        add_cflags -pthread
1962
        add_extralibs -pthread
1963
    elif check_func pthread_create -pthreads; then
1964
        add_cflags -pthreads
1965
        add_extralibs -pthreads
1966
    elif check_func pthread_create -lpthreadGC2; then
1967
        add_extralibs -lpthreadGC2
1968
    elif ! check_lib pthread.h pthread_create -lpthread; then
1969
        die "ERROR: can't find pthreads library"
1970
    fi
1971
fi
1972

    
1973
for thread in $THREADS_LIST; do
1974
    if enabled $thread; then
1975
        test -n "$thread_type" &&
1976
            die "ERROR: Only one thread type must be selected." ||
1977
            thread_type="$thread"
1978
    fi
1979
done
1980

    
1981
check_lib math.h sin -lm
1982

    
1983
# test for C99 functions in math.h
1984
for func in llrint lrint lrintf round roundf truncf; do
1985
    check_exec <<EOF && enable $func || disable $func
1986
#include <math.h>
1987
int main(void) { return ($func(3.999f) > 0)?0:1; }
1988
EOF
1989
done
1990

    
1991
# these are off by default, so fail if requested and not available
1992
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1993
enabled libamr_nb  && require  libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1994
enabled libamr_wb  && require  libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1995
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
1996
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
1997
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
1998
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1999
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2000
enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
2001
enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2002
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2003
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2004
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2005
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2006
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2007
enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
2008
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2009
enabled libx264    && require  libx264 x264.h x264_encoder_open -lx264 -lm &&
2010
                      { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2011
                        die "ERROR: libx264 version must be >= 0.65."; }
2012
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2013
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2014

    
2015
# libdc1394 check
2016
if enabled libdc1394; then
2017
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2018
        enable libdc1394_2; } ||
2019
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2020
        enable libdc1394_1; } ||
2021
    die "ERROR: No version of libdc1394 found "
2022
fi
2023

    
2024

    
2025
_restrict=
2026
for restrict_keyword in restrict __restrict__ __restrict; do
2027
    check_cc <<EOF && _restrict=$restrict_keyword && break
2028
void foo(char * $restrict_keyword p);
2029
EOF
2030
done
2031

    
2032
##########################################
2033
# SDL check
2034

    
2035
disable sdl_too_old
2036
disable sdl
2037
SDL_CONFIG="${cross_prefix}sdl-config"
2038
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2039
    sdl_cflags=`"${SDL_CONFIG}" --cflags`
2040
    temp_cflags $sdl_cflags
2041
    temp_extralibs `"${SDL_CONFIG}" --libs`
2042
    if check_lib2 SDL.h SDL_Init; then
2043
        _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
2044
        if test "$_sdlversion" -lt 121 ; then
2045
            enable sdl_too_old
2046
        else
2047
            enable sdl
2048
            check_cc $sdl_cflags <<EOF && enable sdl_video_size
2049
#include <SDL.h>
2050
int main(int argc, char **argv){
2051
    const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2052
    int w = vi->current_w;
2053
    return 0;
2054
}
2055
EOF
2056
        fi
2057
    fi
2058
    restore_flags
2059
fi
2060

    
2061
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2062

    
2063
##########################################
2064
# Network check
2065

    
2066
if enabled network; then
2067
    check_type "sys/types.h sys/socket.h" socklen_t
2068
    # Prefer arpa/inet.h over winsock2
2069
    if check_header arpa/inet.h ; then
2070
        check_func closesocket
2071
    elif check_header winsock2.h ; then
2072
        network_extralibs="-lws2_32"
2073
        check_type ws2tcpip.h socklen_t
2074
        check_func_headers winsock2.h closesocket
2075
    fi
2076
fi
2077

    
2078
##########################################
2079
# IPv6 check
2080

    
2081
enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
2082
#include <sys/types.h>
2083
#include <sys/socket.h>
2084
#include <netinet/in.h>
2085
#include <netdb.h>
2086
int main(void) {
2087
    struct sockaddr_storage saddr;
2088
    struct ipv6_mreq mreq6;
2089
    getaddrinfo(0,0,0,0);
2090
    getnameinfo(0,0,0,0,0,0,0);
2091
    IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2092
}
2093
EOF
2094

    
2095
check_header linux/videodev.h
2096
check_header linux/videodev2.h
2097
check_header sys/videoio.h
2098

    
2099
check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2100

    
2101
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2102
{ check_header dev/bktr/ioctl_meteor.h &&
2103
  check_header dev/bktr/ioctl_bt848.h; } ||
2104
{ check_header machine/ioctl_meteor.h &&
2105
  check_header machine/ioctl_bt848.h; } ||
2106
{ check_header dev/video/meteor/ioctl_meteor.h &&
2107
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2108
check_header dev/ic/bt8xx.h
2109

    
2110
check_header sys/soundcard.h
2111
check_header soundcard.h
2112

    
2113
check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2114

    
2115
# deal with the X11 frame grabber
2116
enabled x11grab                         &&
2117
check_header X11/Xlib.h                 &&
2118
check_header X11/extensions/XShm.h      &&
2119
check_func XOpenDisplay -lX11           &&
2120
check_func XShmCreateImage -lX11 -lXext
2121

    
2122
enabled debug && add_cflags -g"$debuglevel"
2123

    
2124
# add some useful compiler flags if supported
2125
check_cflags -Wdeclaration-after-statement
2126
check_cflags -Wall
2127
check_cflags -Wno-switch
2128
check_cflags -Wdisabled-optimization
2129
check_cflags -Wpointer-arith
2130
check_cflags -Wredundant-decls
2131
check_cflags -Wno-pointer-sign
2132
check_cflags -Wcast-qual
2133
check_cflags -Wwrite-strings
2134
check_cflags -Wtype-limits
2135
check_cflags -Wundef
2136
enabled extra_warnings && check_cflags -Winline
2137

    
2138
# add some linker flags
2139
check_ldflags -Wl,--warn-common
2140
check_ldflags -Wl,--as-needed
2141
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'
2142
check_ldflags -Wl,-Bsymbolic
2143

    
2144
if enabled small; then
2145
    check_cflags -Os            # not all compilers support -Os
2146
    optimizations="small"
2147
elif enabled optimizations; then
2148
    if enabled xlc; then
2149
        add_cflags  -O5
2150
        add_ldflags -O5
2151
    elif enabled ccc; then
2152
        add_cflags -fast
2153
    else
2154
        add_cflags -O3
2155
    fi
2156
fi
2157
check_cflags -fno-math-errno
2158
check_cflags -fno-signed-zeros
2159

    
2160
# add some flags for Intel C Compiler
2161
if enabled icc; then
2162
    # Just warnings, no remarks
2163
    check_cflags -w1
2164
    # -wd: Disable following warnings
2165
    # 144, 167, 556: -Wno-pointer-sign
2166
    # 10006: ignoring unknown option -fno-signed-zeros
2167
    # 10156: ignoring option '-W'; no argument required
2168
    check_cflags -wd144,167,556,10006,10156
2169
    # 11030: Warning unknown option --as-needed
2170
    # 10156: ignoring option '-export'; no argument required
2171
    check_ldflags -wd10156,11030
2172
    # Allow to compile with optimizations
2173
    check_ldflags -march=$cpu
2174
elif enabled ccc; then
2175
    # disable some annoying warnings
2176
    add_cflags -msg_disable cvtu32to64
2177
    add_cflags -msg_disable embedcomment
2178
    add_cflags -msg_disable needconstext
2179
    add_cflags -msg_disable nomainieee
2180
    add_cflags -msg_disable ptrmismatch1
2181
    add_cflags -msg_disable unreachcode
2182
fi
2183

    
2184
# PIC flags for shared library objects where they are needed
2185
if enabled shared; then
2186
    # LIBOBJFLAGS may have already been set in the OS configuration
2187
    if test -z "$LIBOBJFLAGS" ; then
2188
        case "${subarch-$arch}" in
2189
            x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2190
        esac
2191
    fi
2192
fi
2193

    
2194
if enabled gprof; then
2195
    add_cflags  -p
2196
    add_ldflags -p
2197
fi
2198

    
2199
# Find out if the .align argument is a power of two or not.
2200
check_asm asmalign_pot '".align 3"'
2201

    
2202
enabled_any $DECODER_LIST      && enable decoders
2203
enabled_any $ENCODER_LIST      && enable encoders
2204
enabled_any $BSF_LIST          && enable bsfs
2205
enabled_any $DEMUXER_LIST      && enable demuxers
2206
enabled_any $MUXER_LIST        && enable muxers
2207
enabled_any $FILTER_LIST       && enable filters
2208
enabled_any $INDEV_LIST        && enable demuxers
2209
enabled_any $OUTDEV_LIST       && enable muxers
2210
enabled_any $PROTOCOL_LIST     && enable protocols
2211

    
2212
enabled_any $THREADS_LIST      && enable threads
2213

    
2214
check_deps $CONFIG_LIST       \
2215
           $CONFIG_EXTRA      \
2216
           $HAVE_LIST         \
2217
           $DECODER_LIST      \
2218
           $ENCODER_LIST      \
2219
           $PARSER_LIST       \
2220
           $BSF_LIST          \
2221
           $DEMUXER_LIST      \
2222
           $MUXER_LIST        \
2223
           $FILTER_LIST       \
2224
           $INDEV_LIST        \
2225
           $OUTDEV_LIST       \
2226
           $PROTOCOL_LIST     \
2227

    
2228
echo "install prefix            $prefix"
2229
echo "source path               $source_path"
2230
echo "C compiler                $cc"
2231
echo ".align is power-of-two    $asmalign_pot"
2232
echo "ARCH                      $arch ($cpu)"
2233
if test "$build_suffix" != ""; then
2234
    echo "build suffix              $build_suffix"
2235
fi
2236
if test "$extra_version" != ""; then
2237
    echo "version string suffix     $extra_version"
2238
fi
2239
echo "big-endian                ${bigendian-no}"
2240
if enabled x86; then
2241
    echo "yasm                      ${yasm-no}"
2242
    echo "MMX enabled               ${mmx-no}"
2243
    echo "MMX2 enabled              ${mmx2-no}"
2244
    echo "3DNow! enabled            ${amd3dnow-no}"
2245
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
2246
    echo "SSE enabled               ${sse-no}"
2247
    echo "SSSE3 enabled             ${ssse3-no}"
2248
    echo "CMOV enabled              ${cmov-no}"
2249
    echo "CMOV is fast              ${fast_cmov-no}"
2250
    echo "EBX available             ${ebx_available-no}"
2251
    echo "EBP available             ${ebp_available-no}"
2252
    echo "10 operands supported     ${ten_operands-no}"
2253
fi
2254
if enabled arm; then
2255
    echo "ARMv5TE enabled           ${armv5te-no}"
2256
    echo "ARMv6 enabled             ${armv6-no}"
2257
    echo "ARMv6T2 enabled           ${armv6t2-no}"
2258
    echo "ARM VFP enabled           ${armvfp-no}"
2259
    echo "IWMMXT enabled            ${iwmmxt-no}"
2260
    echo "NEON enabled              ${neon-no}"
2261
fi
2262
if enabled mips; then
2263
    echo "MMI enabled               ${mmi-no}"
2264
fi
2265
if enabled ppc; then
2266
    echo "AltiVec enabled           ${altivec-no}"
2267
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
2268
    echo "dcbzl available           ${dcbzl-no}"
2269
    echo "performance report        ${powerpc_perf-no}"
2270
fi
2271
if enabled sparc; then
2272
    echo "VIS enabled               ${vis-no}"
2273
fi
2274
echo "gprof enabled             ${gprof-no}"
2275
echo "debug symbols             ${debug-no}"
2276
echo "strip symbols             ${stripping-no}"
2277
echo "optimizations             ${optimizations-no}"
2278
echo "static                    ${static-no}"
2279
echo "shared                    ${shared-no}"
2280
echo "postprocessing support    ${postproc-no}"
2281
echo "new filter support        ${avfilter-no}"
2282
echo "filters using lavformat   ${avfilter_lavf-no}"
2283
echo "network support           ${network-no}"
2284
if enabled network; then
2285
    echo "IPv6 support              ${ipv6-no}"
2286
fi
2287
echo "threading support         ${thread_type-no}"
2288
echo "SDL support               ${sdl-no}"
2289
if enabled sdl_too_old; then
2290
    echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2291
fi
2292
echo "Sun medialib support      ${mlib-no}"
2293
echo "AVISynth enabled          ${avisynth-no}"
2294
echo "libamr-nb support         ${libamr_nb-no}"
2295
echo "libamr-wb support         ${libamr_wb-no}"
2296
echo "libdc1394 support         ${libdc1394-no}"
2297
echo "libdirac enabled          ${libdirac-no}"
2298
echo "libfaac enabled           ${libfaac-no}"
2299
echo "libfaad enabled           ${libfaad-no}"
2300
echo "libfaad dlopened          ${libfaadbin-no}"
2301
echo "libgsm enabled            ${libgsm-no}"
2302
echo "libmp3lame enabled        ${libmp3lame-no}"
2303
echo "libnut enabled            ${libnut-no}"
2304
echo "libopenjpeg enabled       ${libopenjpeg-no}"
2305
echo "libschroedinger enabled   ${libschroedinger-no}"
2306
echo "libspeex enabled          ${libspeex-no}"
2307
echo "libtheora enabled         ${libtheora-no}"
2308
echo "libvorbis enabled         ${libvorbis-no}"
2309
echo "libx264 enabled           ${libx264-no}"
2310
echo "libxvid enabled           ${libxvid-no}"
2311
echo "zlib enabled              ${zlib-no}"
2312
echo "bzlib enabled             ${bzlib-no}"
2313
echo
2314

    
2315
for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
2316
    echo "Enabled ${type}s:"
2317
    eval list=\$$(toupper $type)_LIST
2318
    for part in $list; do
2319
        enabled $part && echo ${part%_*}
2320
    done | sort | pr -3 -t
2321
    echo
2322
done
2323

    
2324
license="LGPL"
2325
if enabled nonfree; then
2326
    license="unredistributable"
2327
elif enabled gpl; then
2328
    license="GPL"
2329
fi
2330

    
2331
echo "License: $license"
2332

    
2333
echo "Creating config.mak and config.h..."
2334

    
2335
echo "# Automatically generated by configure - do not modify!" > config.mak
2336
echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2337
echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2338
echo "#define FFMPEG_CONFIG_H" >> $TMPH
2339
echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2340
echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2341

    
2342
echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2343
echo "prefix=$prefix" >> config.mak
2344
echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2345
echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2346
echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2347
echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2348
echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2349
echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2350
echo "CC=$cc" >> config.mak
2351
echo "AS=$as" >> config.mak
2352
echo "YASM=$yasmexe" >> config.mak
2353
echo "AR=$ar" >> config.mak
2354
echo "RANLIB=$ranlib" >> config.mak
2355
echo "LN_S=$ln_s" >> config.mak
2356
enabled stripping &&
2357
    echo "STRIP=$strip" >> config.mak ||
2358
    echo "STRIP=echo ignoring strip" >> config.mak
2359

    
2360
echo "OPTFLAGS=$CFLAGS" >> config.mak
2361
echo "LDFLAGS=$LDFLAGS" >> config.mak
2362
echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2363
echo "SHFLAGS=$SHFLAGS" >> config.mak
2364
echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2365
echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2366
echo "BUILD_STATIC=$static" >> config.mak
2367
echo "BUILDSUF=$build_suffix" >> config.mak
2368
echo "FULLNAME=$FULLNAME" >> config.mak
2369
echo "LIBPREF=$LIBPREF" >> config.mak
2370
echo "LIBSUF=$LIBSUF" >> config.mak
2371
echo "LIBNAME=$LIBNAME" >> config.mak
2372
echo "SLIBPREF=$SLIBPREF" >> config.mak
2373
echo "SLIBSUF=$SLIBSUF" >> config.mak
2374
echo "EXESUF=$EXESUF" >> config.mak
2375
echo "EXTRA_VERSION=$extra_version" >> config.mak
2376
echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2377
echo "HOSTCC=$host_cc" >> config.mak
2378
echo "HOSTCFLAGS=$host_cflags" >> config.mak
2379
echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2380
echo "HOSTLIBS=$host_libs" >> config.mak
2381
echo "TARGET_EXEC=$target_exec" >> config.mak
2382
echo "TARGET_PATH=$target_path" >> config.mak
2383

    
2384
if enabled bigendian; then
2385
    echo "WORDS_BIGENDIAN=yes" >> config.mak
2386
    echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2387
fi
2388

    
2389
if enabled sdl; then
2390
    echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2391
    echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2392
fi
2393
if enabled texi2html; then
2394
    echo "BUILD_DOC=yes" >> config.mak
2395
fi
2396

    
2397
get_version(){
2398
    name=$1
2399
    file=$source_path/$2
2400
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2401
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2402
    lcname=$(tolower $name)
2403
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2404
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2405
}
2406

    
2407
get_version LIBSWSCALE  libswscale/swscale.h
2408
get_version LIBPOSTPROC libpostproc/postprocess.h
2409
get_version LIBAVCODEC  libavcodec/avcodec.h
2410
get_version LIBAVDEVICE libavdevice/avdevice.h
2411
get_version LIBAVFORMAT libavformat/avformat.h
2412
get_version LIBAVUTIL   libavutil/avutil.h
2413
get_version LIBAVFILTER libavfilter/avfilter.h
2414

    
2415
if enabled shared; then
2416
    echo "BUILD_SHARED=yes" >> config.mak
2417
    echo "PIC=-fPIC -DPIC" >> config.mak
2418
    echo "LIBTARGET=${LIBTARGET}" >> config.mak
2419
    echo "SLIBNAME=${SLIBNAME}" >> config.mak
2420
    echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2421
    echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2422
    echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2423
    echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2424
    echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2425
    echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2426
fi
2427
echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2428
echo "EXTRALIBS=$extralibs" >> config.mak
2429

    
2430
echo "ARCH=$arch" >> config.mak
2431

    
2432
print_config ARCH_   $TMPH config.mak $ARCH_LIST
2433
print_config HAVE_   $TMPH config.mak $HAVE_LIST
2434
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2435
                                      $CONFIG_EXTRA      \
2436
                                      $DECODER_LIST      \
2437
                                      $ENCODER_LIST      \
2438
                                      $PARSER_LIST       \
2439
                                      $BSF_LIST          \
2440
                                      $DEMUXER_LIST      \
2441
                                      $MUXER_LIST        \
2442
                                      $FILTER_LIST       \
2443
                                      $PROTOCOL_LIST     \
2444
                                      $INDEV_LIST        \
2445
                                      $OUTDEV_LIST       \
2446

    
2447
echo "#define restrict $_restrict" >> $TMPH
2448

    
2449
if enabled small; then
2450
    echo "#define av_always_inline"  >> $TMPH
2451
fi
2452

    
2453
echo "SRC_PATH=\"$source_path\"" >> config.mak
2454
echo "SRC_PATH_BARE=$source_path" >> config.mak
2455
echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2456

    
2457
# Apparently it's not possible to portably echo a backslash.
2458
enabled asmalign_pot &&
2459
    printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2460
    printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2461

    
2462
echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2463

    
2464
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2465

    
2466
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2467
cmp -s $TMPH config.h &&
2468
    echo "config.h is unchanged" ||
2469
    mv -f $TMPH config.h
2470

    
2471
# build tree in object directory if source path is different from current one
2472
if enabled source_path_used; then
2473
    DIRS="\
2474
        doc               \
2475
        libavcodec        \
2476
        libavcodec/alpha  \
2477
        libavcodec/arm    \
2478
        libavcodec/bfin   \
2479
        libavcodec/mlib   \
2480
        libavcodec/ppc    \
2481
        libavcodec/sh4    \
2482
        libavcodec/sparc  \
2483
        libavcodec/x86    \
2484
        libavdevice       \
2485
        libavfilter       \
2486
        libavformat       \
2487
        libavutil         \
2488
        libpostproc       \
2489
        libswscale        \
2490
        tests             \
2491
        tools             \
2492
        "
2493
    FILES="\
2494
        Makefile             \
2495
        common.mak           \
2496
        subdir.mak           \
2497
        doc/texi2pod.pl      \
2498
        libavcodec/Makefile  \
2499
        libavdevice/Makefile \
2500
        libavfilter/Makefile \
2501
        libavformat/Makefile \
2502
        libavutil/Makefile   \
2503
        libpostproc/Makefile \
2504
        libswscale/Makefile  \
2505
        "
2506
    for dir in $DIRS ; do
2507
        mkdir -p $dir
2508
    done
2509
    for f in $FILES ; do
2510
        $ln_s "$source_path/$f" $f
2511
    done
2512
fi
2513

    
2514

    
2515
# build pkg-config files
2516

    
2517
pkgconfig_generate(){
2518
name=$1
2519
shortname=${name#lib}${build_suffix}
2520
comment=$2
2521
version=$3
2522
libs=$4
2523
requires=$5
2524
cat <<EOF > $name/$name.pc
2525
prefix=$prefix
2526
exec_prefix=\${prefix}
2527
libdir=$libdir
2528
includedir=$incdir
2529

    
2530
Name: $name
2531
Description: $comment
2532
Version: $version
2533
Requires: $(disabled shared && echo $requires)
2534
Requires.private: $(enabled shared && echo $requires)
2535
Conflicts:
2536
Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2537
Libs.private: $(enabled shared && echo $libs)
2538
Cflags: -I\${includedir}
2539
EOF
2540
cat <<EOF > $name/$name-uninstalled.pc
2541
prefix=
2542
exec_prefix=
2543
libdir=\${pcfiledir}
2544
includedir=${source_path}
2545

    
2546
Name: $name
2547
Description: $comment
2548
Version: $version
2549
Requires: $requires
2550
Conflicts:
2551
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2552
Cflags: -I\${includedir}
2553
EOF
2554
}
2555

    
2556
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2557
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2558
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2559
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2560
enabled avfilter &&
2561
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2562
enabled postproc &&
2563
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2564
    pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"