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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:"
144
  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"
193
  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"
199
  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"
208
  echo "  --disable-mmi            disable MMI optimizations"
209
  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
    host_os
958
    logfile
959
    nm
960
    source_path
961
    sysinclude
962
    sysroot
963
    target_exec
964
    target_os
965
    target_path
966
"
967

    
968
# code dependency declarations
969

    
970
# architecture extensions
971
altivec_deps="ppc"
972
amd3dnow_deps="mmx"
973
amd3dnowext_deps="amd3dnow"
974
armv5te_deps="arm"
975
armv6_deps="arm"
976
armv6t2_deps="arm"
977
armvfp_deps="arm"
978
iwmmxt_deps="arm"
979
mmi_deps="mips"
980
mmx_deps="x86"
981
mmx2_deps="mmx"
982
neon_deps="arm"
983
ppc4xx_deps="ppc"
984
sse_deps="mmx"
985
ssse3_deps="sse"
986
vis_deps="sparc"
987

    
988
# decoders / encoders
989
aac_decoder_select="fft mdct"
990
ac3_decoder_deps="gpl"
991
ac3_decoder_select="fft mdct"
992
atrac3_decoder_select="fft mdct"
993
cavs_decoder_select="golomb"
994
cook_decoder_select="fft mdct"
995
cscd_decoder_suggest="zlib"
996
dca_decoder_select="fft mdct"
997
dnxhd_encoder_select="aandct"
998
dxa_decoder_select="zlib"
999
eac3_decoder_deps="gpl"
1000
eac3_decoder_select="fft mdct"
1001
eatgq_decoder_select="aandct"
1002
eatqi_decoder_select="aandct"
1003
ffv1_decoder_select="golomb"
1004
flac_decoder_select="golomb"
1005
flac_encoder_select="golomb"
1006
flashsv_decoder_select="zlib"
1007
flashsv_encoder_select="zlib"
1008
flv_encoder_select="aandct"
1009
h261_encoder_select="aandct"
1010
h263_encoder_select="aandct"
1011
h263p_encoder_select="aandct"
1012
h264_decoder_select="golomb"
1013
h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1014
imc_decoder_select="fft mdct"
1015
jpegls_decoder_select="golomb"
1016
jpegls_encoder_select="golomb"
1017
ljpeg_encoder_select="aandct"
1018
loco_decoder_select="golomb"
1019
mjpeg_encoder_select="aandct"
1020
mpeg1video_encoder_select="aandct"
1021
mpeg2video_encoder_select="aandct"
1022
mpeg4_encoder_select="aandct"
1023
mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1024
mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1025
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1026
msmpeg4v1_encoder_select="aandct"
1027
msmpeg4v2_encoder_select="aandct"
1028
msmpeg4v3_encoder_select="aandct"
1029
nellymoser_decoder_select="fft mdct"
1030
nellymoser_encoder_select="fft mdct"
1031
png_decoder_select="zlib"
1032
png_encoder_select="zlib"
1033
qdm2_decoder_select="fft mdct rdft"
1034
rv10_encoder_select="aandct"
1035
rv20_encoder_select="aandct"
1036
rv30_decoder_select="golomb"
1037
rv40_decoder_select="golomb"
1038
shorten_decoder_select="golomb"
1039
sonic_decoder_select="golomb"
1040
sonic_encoder_select="golomb"
1041
sonic_ls_encoder_select="golomb"
1042
svq3_decoder_select="golomb"
1043
svq3_decoder_suggest="zlib"
1044
tiff_decoder_suggest="zlib"
1045
tiff_encoder_suggest="zlib"
1046
tscc_decoder_select="zlib"
1047
vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1048
vorbis_decoder_select="fft mdct"
1049
vorbis_encoder_select="fft mdct"
1050
wmav1_decoder_select="fft mdct"
1051
wmav1_encoder_select="fft mdct"
1052
wmav2_decoder_select="fft mdct"
1053
wmav2_encoder_select="fft mdct"
1054
wmv1_encoder_select="aandct"
1055
wmv2_encoder_select="aandct"
1056
wmv3_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1057
zlib_decoder_select="zlib"
1058
zlib_encoder_select="zlib"
1059
zmbv_decoder_select="zlib"
1060
zmbv_encoder_select="zlib"
1061

    
1062
# external libraries
1063
libamr_nb_decoder_deps="libamr_nb"
1064
libamr_nb_encoder_deps="libamr_nb"
1065
libamr_wb_decoder_deps="libamr_wb"
1066
libamr_wb_encoder_deps="libamr_wb"
1067
libdirac_decoder_deps="libdirac !libschroedinger"
1068
libdirac_encoder_deps="libdirac"
1069
libfaac_encoder_deps="libfaac"
1070
libfaad_decoder_deps="libfaad"
1071
libfaadbin_decoder_extralibs='$ldl'
1072
libgsm_decoder_deps="libgsm"
1073
libgsm_encoder_deps="libgsm"
1074
libgsm_ms_decoder_deps="libgsm"
1075
libgsm_ms_encoder_deps="libgsm"
1076
libmp3lame_encoder_deps="libmp3lame"
1077
libopenjpeg_decoder_deps="libopenjpeg"
1078
libschroedinger_decoder_deps="libschroedinger"
1079
libschroedinger_encoder_deps="libschroedinger"
1080
libspeex_decoder_deps="libspeex"
1081
libtheora_encoder_deps="libtheora"
1082
libvorbis_encoder_deps="libvorbis"
1083
libx264_encoder_deps="libx264"
1084
libxvid_encoder_deps="libxvid"
1085

    
1086
# demuxers / muxers
1087
ac3_demuxer_deps="ac3_parser"
1088
alsa_demuxer_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1089
alsa_demuxer_extralibs="-lasound"
1090
alsa_muxer_deps="alsa_asoundlib_h"
1091
alsa_muxer_extralibs="-lasound"
1092
audio_beos_demuxer_deps="audio_beos"
1093
audio_beos_demuxer_extralibs="-lmedia -lbe"
1094
audio_beos_muxer_deps="audio_beos"
1095
audio_beos_muxer_extralibs="-lmedia -lbe"
1096
avisynth_demuxer_deps="avisynth"
1097
bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1098
dirac_demuxer_deps="dirac_parser"
1099
dv1394_demuxer_deps="dv1394 dv_demuxer"
1100
libdc1394_demuxer_deps="libdc1394"
1101
libnut_demuxer_deps="libnut"
1102
libnut_muxer_deps="libnut"
1103
matroska_demuxer_suggest="zlib bzlib"
1104
mov_demuxer_suggest="zlib"
1105
mp3_demuxer_deps="mpegaudio_parser"
1106
oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
1107
oss_muxer_deps_any="soundcard_h sys_soundcard_h"
1108
redir_demuxer_deps="network"
1109
rtp_muxer_deps="network rtp_protocol"
1110
rtsp_demuxer_deps="sdp_demuxer"
1111
sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1112
v4l_demuxer_deps="linux_videodev_h"
1113
v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
1114
vfwcap_demuxer_deps="capCreateCaptureWindow"
1115
vfwcap_demuxer_extralibs="-lvfw32"
1116
x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
1117
x11_grab_device_demuxer_extralibs="-lX11 -lXext"
1118

    
1119
# protocols
1120
gopher_protocol_deps="network"
1121
http_protocol_deps="network"
1122
rtp_protocol_deps="udp_protocol"
1123
tcp_protocol_deps="network"
1124
udp_protocol_deps="network"
1125

    
1126
# filters
1127
movie_filter_deps="avfilter_lavf"
1128

    
1129
# programs
1130
ffplay_deps="sdl"
1131
ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1132
ffserver_extralibs='$ldl'
1133

    
1134

    
1135
# default parameters
1136

    
1137
logfile="config.err"
1138

    
1139
# installation paths
1140
prefix_default="/usr/local"
1141
bindir_default='${prefix}/bin'
1142
datadir_default='${prefix}/share/ffmpeg'
1143
incdir_default='${prefix}/include'
1144
libdir_default='${prefix}/lib'
1145
mandir_default='${prefix}/share/man'
1146
shlibdir_default="$libdir_default"
1147

    
1148
# toolchain
1149
ar="ar"
1150
as_default="gcc"
1151
cc_default="gcc"
1152
host_cc_default="gcc"
1153
ln_s="ln -sf"
1154
nm_default="nm"
1155
objformat="elf"
1156
ranlib="ranlib"
1157
strip="strip"
1158
yasmexe="yasm"
1159

    
1160
# machine
1161
arch=`uname -m`
1162
cpu="generic"
1163

    
1164
# OS
1165
target_os=$(tolower $(uname -s))
1166
host_os=$target_os
1167

    
1168
# configurable options
1169
enable debug
1170
enable ffmpeg
1171
enable ffplay
1172
enable ffserver
1173
enable ipv6
1174
enable mpegaudio_hp
1175
enable network
1176
enable optimizations
1177
enable protocols
1178
enable static
1179
enable stripping
1180

    
1181
# build settings
1182
add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1183
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1184
FFSERVERLDFLAGS=-Wl,-E
1185
LIBPREF="lib"
1186
LIBSUF=".a"
1187
FULLNAME='$(NAME)$(BUILDSUF)'
1188
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1189
SLIBPREF="lib"
1190
SLIBSUF=".so"
1191
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1192
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1193
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1194
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1195

    
1196
host_cflags='-O3 -g -Wall'
1197
host_libs='-lm'
1198

    
1199
target_path='.'
1200

    
1201
# gcc stupidly only outputs the basename of targets with -MM, but we need the
1202
# full relative path for objects in subdirectories for non-recursive Make.
1203
DEPEND_CMD='$(CC) $(CFLAGS) -MM $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1204

    
1205
# find source path
1206
source_path="`dirname \"$0\"`"
1207
enable source_path_used
1208
if test -z "$source_path" -o "$source_path" = "." ; then
1209
    source_path="`pwd`"
1210
    disable source_path_used
1211
else
1212
    source_path="`cd \"$source_path\"; pwd`"
1213
    echo "$source_path" | grep -q '[[:blank:]]' &&
1214
        die "Out of tree builds are impossible with whitespace in source path."
1215
fi
1216

    
1217
FFMPEG_CONFIGURATION="$@"
1218

    
1219
find_things(){
1220
    thing=$1
1221
    pattern=$2
1222
    file=$source_path/$3
1223
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1224
}
1225

    
1226
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1227
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1228
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1229
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1230
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1231
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1232
OUTDEV_LIST=$(find_things   muxer    _MUX     libavdevice/alldevices.c)
1233
INDEV_LIST=$(find_things    demuxer  DEMUX    libavdevice/alldevices.c)
1234
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1235
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1236

    
1237
enable $ARCH_EXT_LIST \
1238
       $DECODER_LIST \
1239
       $ENCODER_LIST \
1240
       $PARSER_LIST \
1241
       $BSF_LIST \
1242
       $DEMUXER_LIST \
1243
       $MUXER_LIST \
1244
       $FILTER_LIST \
1245
       $PROTOCOL_LIST \
1246
       $INDEV_LIST \
1247
       $OUTDEV_LIST \
1248

    
1249
die_unknown(){
1250
    echo "Unknown option \"$1\"."
1251
    echo "See $0 --help for available options."
1252
    exit 1
1253
}
1254

    
1255
show_list() {
1256
    suffix=_$1
1257
    shift
1258
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1259
    exit 0
1260
}
1261

    
1262
for opt do
1263
    optval="${opt#*=}"
1264
    case "$opt" in
1265
    --extra-cflags=*) add_cflags $optval
1266
    ;;
1267
    --extra-ldflags=*) add_ldflags $optval
1268
    ;;
1269
    --extra-libs=*) add_extralibs $optval
1270
    ;;
1271
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1272
    ;;
1273
    --enable-debug=*) debuglevel="$optval"
1274
    ;;
1275
    --enable-*=*|--disable-*=*)
1276
    eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1277
    case "$thing" in
1278
        encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1279
        *) die_unknown "$opt" ;;
1280
    esac
1281
    ;;
1282
    --enable-?*|--disable-?*)
1283
    eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1284
    if is_in $option $COMPONENT_LIST; then
1285
        eval $action \$$(toupper ${option%s})_LIST
1286
    elif is_in $option $CMDLINE_SELECT; then
1287
        $action $option
1288
    else
1289
        die_unknown $opt
1290
    fi
1291
    ;;
1292
    --list-*)
1293
        NAME="${opt#--list-}"
1294
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1295
        NAME=${NAME%s}
1296
        eval show_list $NAME \$$(toupper $NAME)_LIST
1297
    ;;
1298
    --help|-h) show_help
1299
    ;;
1300
    *)
1301
    optname="${opt%%=*}"
1302
    optname="${optname#--}"
1303
    optname=$(echo "$optname" | sed 's/-/_/g')
1304
    is_in $optname $CMDLINE_SET || die_unknown $opt
1305
    eval $optname='$optval'
1306
    ;;
1307
    esac
1308
done
1309

    
1310
disabled logging && logfile=/dev/null
1311

    
1312
echo "# $0 $@" > $logfile
1313
set >> $logfile
1314

    
1315
test -n "$cross_prefix" && enable cross_compile
1316

    
1317
ar="${cross_prefix}${ar}"
1318
as_default="${cross_prefix}${as_default}"
1319
cc_default="${cross_prefix}${cc_default}"
1320
nm_default="${cross_prefix}${nm_default}"
1321
ranlib="${cross_prefix}${ranlib}"
1322
strip="${cross_prefix}${strip}"
1323

    
1324
sysinclude_default="${sysroot}/usr/include"
1325

    
1326
set_default as cc nm sysinclude
1327
enabled cross_compile || host_cc_default=$cc
1328
set_default host_cc
1329

    
1330
exesuf() {
1331
    case $1 in
1332
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1333
    esac
1334
}
1335

    
1336
EXESUF=$(exesuf $target_os)
1337
HOSTEXESUF=$(exesuf $host_os)
1338

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

    
1344
if ! check_cmd type mktemp; then
1345
    # simple replacement for missing mktemp
1346
    # NOT SAFE FOR GENERAL USE
1347
    mktemp(){
1348
        echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1349
    }
1350
fi
1351

    
1352
tmpfile(){
1353
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1354
        (set -C; exec > $tmp) 2>/dev/null ||
1355
        die "Unable to create temoporary file in $TMPDIR."
1356
    append TMPFILES $tmp
1357
    eval $1=$tmp
1358
}
1359

    
1360
trap 'rm -f -- $TMPFILES' EXIT
1361
trap exit HUP INT TERM
1362

    
1363
tmpfile TMPC  .c
1364
tmpfile TMPE  $EXESUF
1365
tmpfile TMPH  .h
1366
tmpfile TMPO  .o
1367
tmpfile TMPS  .S
1368
tmpfile TMPSH .sh
1369

    
1370
unset -f mktemp
1371

    
1372
# make sure we can execute files in $TMPDIR
1373
cat > $TMPSH 2>> $logfile <<EOF
1374
#! /bin/sh
1375
EOF
1376
chmod +x $TMPSH >> $logfile 2>&1
1377
if ! $TMPSH >> $logfile 2>&1; then
1378
    cat <<EOF
1379
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1380
variable to another directory and make sure that it is not mounted noexec.
1381
EOF
1382
    die "Sanity test failed."
1383
fi
1384

    
1385
if   $cc --version 2>/dev/null | grep -qi gcc; then
1386
    cc_type=gcc
1387
elif $cc --version 2>/dev/null | grep -q Intel; then
1388
    cc_type=icc
1389
elif $cc -v 2>&1 | grep -q xlc; then
1390
    cc_type=xlc
1391
elif $cc -V 2>/dev/null | grep -q Compaq; then
1392
    cc_type=ccc
1393
    DEPEND_CMD='$(CC) $(CFLAGS) -M $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1394
    debuglevel=3
1395
    add_ldflags -Wl,-z,now # calls to libots crash without this
1396
elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1397
    test -d "$sysroot" || die "No valid sysroot specified."
1398
    cc_type=armcc
1399
    armcc_conf="$PWD/armcc.conf"
1400
    $cc --arm_linux_configure                 \
1401
        --arm_linux_config_file="$armcc_conf" \
1402
        --configure_sysroot="$sysroot"        \
1403
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1404
        die "Error creating armcc configuration file."
1405
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1406
fi
1407

    
1408
test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1409

    
1410
if test -n "$sysroot"; then
1411
    case "$cc_type" in
1412
        gcc)
1413
            add_cflags  --sysroot="$sysroot"
1414
            add_ldflags --sysroot="$sysroot"
1415
        ;;
1416
    esac
1417
fi
1418

    
1419
# compiler sanity check
1420
check_exec <<EOF
1421
int main(void){ return 0; }
1422
EOF
1423
if test "$?" != 0; then
1424
    echo "$cc is unable to create an executable file."
1425
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
1426
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1427
        echo "Only do this if you know what cross compiling means."
1428
    fi
1429
    die "C compiler test failed."
1430
fi
1431

    
1432
check_cflags -std=c99
1433
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cflags -D_FILE_OFFSET_BITS=64
1434
#include <stdlib.h>
1435
EOF
1436
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cflags -D_LARGEFILE_SOURCE
1437
#include <stdlib.h>
1438
EOF
1439

    
1440
case "$arch" in
1441
    alpha)
1442
        arch="alpha"
1443
        enable fast_64bit
1444
        check_cflags -mieee
1445
    ;;
1446
    arm|armv[4567]*l)
1447
        arch="arm"
1448
    ;;
1449
    avr32)
1450
    ;;
1451
    bfin)
1452
        arch="bfin"
1453
    ;;
1454
    ia64)
1455
        arch="ia64"
1456
        enable fast_64bit
1457
    ;;
1458
    m68k)
1459
        arch="m68k"
1460
    ;;
1461
    mips|mipsel|IP*)
1462
        arch="mips"
1463
    ;;
1464
    mips64)
1465
        arch="mips"
1466
        enable fast_64bit
1467
    ;;
1468
    parisc|hppa)
1469
        arch="parisc"
1470
    ;;
1471
    parisc64|hppa64)
1472
        arch="parisc"
1473
        enable fast_64bit
1474
    ;;
1475
    "Power Macintosh"|ppc|powerpc)
1476
        arch="ppc"
1477
        enable fast_unaligned
1478
    ;;
1479
    ppc64)
1480
        arch="ppc"
1481
        enable fast_64bit
1482
        enable fast_unaligned
1483
    ;;
1484
    s390|s390x)
1485
        arch="s390"
1486
    ;;
1487
    sh4|sh)
1488
        arch="sh4"
1489
    ;;
1490
    sparc)
1491
        arch="sparc"
1492
    ;;
1493
    sun4u|sparc64)
1494
        arch="sparc"
1495
        subarch="sparc64"
1496
        enable fast_64bit
1497
    ;;
1498
    i386|i486|i586|i686|i86pc|BePC)
1499
        arch="x86"
1500
        subarch="x86_32"
1501
        enable fast_unaligned
1502
    ;;
1503
    x86_64|amd64)
1504
        arch="x86"
1505
        subarch="x86_32"
1506
        enable cmov
1507
        enable fast_cmov
1508
        enable fast_unaligned
1509
        check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1510
        int test[sizeof(char*) - 7];
1511
EOF
1512
    ;;
1513
    *)
1514
        arch="unknown"
1515
    ;;
1516
esac
1517

    
1518
enable $arch $subarch
1519

    
1520
# OS specific
1521
case $target_os in
1522
    beos|haiku|zeta)
1523
        prefix_default="$HOME/config"
1524
        # helps building libavcodec
1525
        add_cflags -DPIC -fomit-frame-pointer
1526
        # 3 gcc releases known for BeOS, each with ugly bugs
1527
        gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1528
        case "$gcc_version" in
1529
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1530
            disable mmx
1531
            ;;
1532
          *20010315*) echo "BeBits gcc"
1533
            add_cflags -fno-expensive-optimizations
1534
            ;;
1535
        esac
1536
        SHFLAGS=-nostart
1537
        # enable BeOS things
1538
        enable audio_beos
1539
        # no need for libm, but the inet stuff
1540
        # Check for BONE
1541
        # XXX: actually should check for NOT net_server
1542
        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1543
            network_extralibs="-lbind -lsocket"
1544
        else
1545
            enable beos_netserver
1546
            network_extralibs="-lnet"
1547
        fi ;;
1548
    sunos)
1549
        FFSERVERLDFLAGS=""
1550
        SHFLAGS='-shared -Wl,-h,$$(@F)'
1551
        network_extralibs="-lsocket -lnsl"
1552
        add_cflags -D__EXTENSIONS__
1553
        ;;
1554
    netbsd)
1555
        oss_demuxer_extralibs="-lossaudio"
1556
        oss_muxer_extralibs="-lossaudio"
1557
        ;;
1558
    openbsd)
1559
        disable need_memalign
1560
        LIBOBJFLAGS='$(PIC)'
1561
        SHFLAGS='-shared'
1562
        oss_demuxer_extralibs="-lossaudio"
1563
        oss_muxer_extralibs="-lossaudio"
1564
        ;;
1565
    freebsd)
1566
        disable need_memalign
1567
        ;;
1568
    bsd/os)
1569
        osextralibs="-lpoll -lgnugetopt"
1570
        strip="strip -d"
1571
        ;;
1572
    darwin)
1573
        disable need_memalign
1574
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1575
        strip="strip -x"
1576
        FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1577
        SLIBSUF=".dylib"
1578
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1579
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1580
        FFSERVERLDFLAGS=-Wl,-bind_at_load
1581
        objformat="macho"
1582
        enabled x86_64 && objformat="macho64"
1583
        ;;
1584
    mingw32*)
1585
        target_os=mingw32
1586
        LIBTARGET=i386
1587
        if enabled x86_64; then
1588
            disable need_memalign
1589
            LIBTARGET=x64
1590
        fi
1591
        shlibdir_default="$bindir_default"
1592
        disable ffserver
1593
        SLIBPREF=""
1594
        SLIBSUF=".dll"
1595
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1596
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1597
        SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1598
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1599
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1600
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1601
        SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1602
        objformat="win32"
1603
        enable dos_paths
1604
        if ! enabled x86_64; then
1605
            check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1606
                die "ERROR: MinGW runtime version must be >= 3.15."
1607
            enabled_any avisynth vfwcap_demuxer &&
1608
                { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1609
                  die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1610
            fi
1611
        ;;
1612
    cygwin*)
1613
        target_os=cygwin
1614
        shlibdir_default="$bindir_default"
1615
        SLIBPREF="cyg"
1616
        SLIBSUF=".dll"
1617
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1618
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1619
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
1620
        objformat="win32"
1621
        enable dos_paths
1622
        ;;
1623
    *-dos|freedos|opendos)
1624
        disable ffplay ffserver
1625
        disable $INDEV_LIST $OUTDEV_LIST
1626
        network_extralibs="-lsocket"
1627
        objformat="coff"
1628
        enable dos_paths
1629
        ;;
1630
    linux)
1631
        enable dv1394
1632
        ;;
1633
    irix*)
1634
        target_os=irix
1635
        ranlib="echo ignoring ranlib"
1636
        ;;
1637
    os/2*)
1638
        strip="lxlite"
1639
        ln_s="cp -f"
1640
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1641
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1642
        FFSERVERLDFLAGS=""
1643
        LIBSUF="_s.a"
1644
        SLIBPREF=""
1645
        SLIBSUF=".dll"
1646
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1647
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1648
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1649
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1650
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1651
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1652
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1653
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1654
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1655
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1656
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1657
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1658
        enable dos_paths
1659
        ;;
1660

    
1661
    *)
1662
        die "Unknown OS '$target_os'."
1663
        ;;
1664
esac
1665

    
1666
set_default $PATHS_LIST
1667

    
1668
add_extralibs $osextralibs
1669

    
1670
# Combine FFLDFLAGS and the LDFLAGS environment variable.
1671
LDFLAGS="$FFLDFLAGS $LDFLAGS"
1672

    
1673
# we need to build at least one lib type
1674
if ! enabled_any static shared; then
1675
    cat <<EOF
1676
At least one library type must be built.
1677
Specify --enable-static to build the static libraries or --enable-shared to
1678
build the shared libraries as well. To only build the shared libraries specify
1679
--disable-static in addition to --enable-shared.
1680
EOF
1681
    exit 1;
1682
fi
1683

    
1684
disabled static && LIBNAME=""
1685

    
1686
if enabled_any libfaad libfaadbin ; then
1687
    if check_header faad.h; then
1688
        check_cc <<EOF
1689
#include <faad.h>
1690
#ifndef FAAD2_VERSION
1691
ok faad1
1692
#endif
1693
int main(void) { return 0; }
1694
EOF
1695
        test $? = 0 && enable libfaad2
1696
    else
1697
        die "FAAD test failed."
1698
    fi
1699
fi
1700

    
1701

    
1702
if ! enabled gpl; then
1703
    die_gpl_disabled(){
1704
        name=$1
1705
        shift
1706
        enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1707
    }
1708
    die_gpl_disabled "The Postprocessing code" postproc
1709
    die_gpl_disabled "libx264"                 libx264
1710
    die_gpl_disabled "libxvidcore"             libxvid
1711
    die_gpl_disabled "FAAD2"                   libfaad2
1712
    die_gpl_disabled "The X11 grabber"         x11grab
1713
fi
1714

    
1715
if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1716
    die "libamr is nonfree and --enable-nonfree is not specified."
1717
fi
1718

    
1719
check_deps $ARCH_EXT_LIST
1720

    
1721
test -z "$need_memalign" && need_memalign="$mmx"
1722

    
1723
#Darwin CC versions
1724
if test $target_os = darwin; then
1725
    if enabled xlc; then
1726
        add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1727
    else
1728
        add_cflags -pipe
1729
        check_cflags -force_cpusubtype_ALL
1730
        check_cflags -Wno-sign-compare
1731
        enabled shared || check_cflags -mdynamic-no-pic
1732
    fi
1733
fi
1734

    
1735
disabled optimizations || check_cflags -fomit-frame-pointer
1736

    
1737
# Add processor-specific flags
1738
if test $cpu != "generic"; then
1739
    warn_altivec(){
1740
        $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1741
    }
1742
    case $cpu in
1743
        601|ppc601|PowerPC601)
1744
            add_cflags -mcpu=601
1745
            warn_altivec enabled PPC601
1746
        ;;
1747
        603*|ppc603*|PowerPC603*)
1748
            add_cflags -mcpu=603
1749
            warn_altivec enabled PPC603
1750
        ;;
1751
        604*|ppc604*|PowerPC604*)
1752
            add_cflags -mcpu=604
1753
            warn_altivec enabled PPC604
1754
        ;;
1755
        G3|g3|75*|ppc75*|PowerPC75*)
1756
            add_cflags -mcpu=750 -mpowerpc-gfxopt
1757
            warn_altivec enabled PPC75x
1758
        ;;
1759
        G4|g4|745*|ppc745*|PowerPC745*)
1760
            add_cflags -mcpu=7450 -mpowerpc-gfxopt
1761
            warn_altivec disabled PPC745x
1762
        ;;
1763
        74*|ppc74*|PowerPC74*)
1764
            add_cflags -mcpu=7400 -mpowerpc-gfxopt
1765
            warn_altivec disabled PPC74xx
1766
        ;;
1767
        G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1768
            add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
1769
            warn_altivec disabled PPC970
1770
            enable ppc64
1771
        ;;
1772
        Cell|CELL|cell)
1773
            add_cflags -mcpu=cell
1774
            warn_altivec disabled Cell
1775
            enable ppc64
1776
        ;;
1777
        # targets that do NOT support conditional mov (cmov)
1778
        i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1779
            add_cflags -march=$cpu
1780
            disable cmov
1781
        ;;
1782
        # targets that do support conditional mov (cmov)
1783
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1784
            add_cflags -march=$cpu
1785
            enable cmov
1786
            enable fast_cmov
1787
        ;;
1788
        # targets that do support conditional mov but on which it's slow
1789
        pentium4|pentium4m|prescott|nocona)
1790
            add_cflags -march=$cpu
1791
            enable cmov
1792
            disable fast_cmov
1793
        ;;
1794
        sparc64)
1795
            add_cflags -mcpu=v9
1796
        ;;
1797
        arm11*|cortex*)
1798
            add_cflags -mcpu=$cpu
1799
            enable fast_unaligned
1800
        ;;
1801
        armv*)
1802
            add_cflags -march=$cpu
1803
        ;;
1804
        arm*)
1805
            add_cflags -mcpu=$cpu
1806
        ;;
1807
        ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1808
            enabled ccc && add_cflags -arch $cpu || add_cflags -mcpu=$cpu
1809
        ;;
1810
        *)
1811
            echo "WARNING: Unknown CPU \"$cpu\", ignored."
1812
        ;;
1813
    esac
1814
fi
1815

    
1816
check_cc <<EOF || die "Symbol mangling check failed."
1817
int ff_extern;
1818
EOF
1819
sym=$($nm -P -g $TMPO | grep ff_extern)
1820
extern_prefix=${sym%%ff_extern*}
1821

    
1822
check_cc <<EOF && enable inline_asm
1823
void foo(void) { __asm__ volatile ("" ::); }
1824
EOF
1825

    
1826
if enabled x86; then
1827
    # check whether EBP is available on x86
1828
    # As 'i' is stored on the stack, this program will crash
1829
    # if the base pointer is used to access it because the
1830
    # base pointer is cleared in the inline assembly code.
1831
    check_exec_crash <<EOF && enable ebp_available
1832
    volatile int i=0;
1833
    __asm__ volatile (
1834
        "xorl %%ebp, %%ebp"
1835
    ::: "%ebp");
1836
    return i;
1837
EOF
1838

    
1839
    # check wether EBX is available on x86
1840
    check_asm ebx_available '"":::"%ebx"'
1841

    
1842
    # check whether more than 10 operands are supported
1843
    check_cc <<EOF && enable ten_operands
1844
int main(void) {
1845
    int x=0;
1846
    __asm__ volatile(
1847
        ""
1848
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
1849
    );
1850
    return 0;
1851
}
1852
EOF
1853

    
1854
    # check whether binutils is new enough to compile SSSE3/MMX2
1855
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1856
    enabled mmx2  && check_asm mmx2  '"movss %xmm0, %xmm0"'
1857

    
1858
    check_asm bswap '"bswap %%eax" ::: "%eax"'
1859

    
1860
    YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
1861
    enabled     x86_64        && append YASMFLAGS "-m amd64"
1862
    enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1863
    case "$objformat" in
1864
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1865
        macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
1866
        *)                    append YASMFLAGS "-DPREFIX"  ;;
1867
    esac
1868
    disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
1869
fi
1870

    
1871
# check for assembler specific support
1872

    
1873
enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
1874
enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
1875

    
1876
# check for SIMD availability
1877

    
1878
# AltiVec flags: The FSF version of GCC differs from the Apple version
1879
if enabled altivec; then
1880
    check_cflags -maltivec -mabi=altivec &&
1881
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1882
        check_cflags -faltivec
1883

    
1884
    # check if our compiler supports Motorola AltiVec C API
1885
    check_cc <<EOF || disable altivec
1886
$inc_altivec_h
1887
int main(void) {
1888
    vector signed int v1, v2, v3;
1889
    v1 = vec_add(v2,v3);
1890
    return 0;
1891
}
1892
EOF
1893

    
1894
    # check if our compiler supports braces for vector declarations
1895
    check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1896
$inc_altivec_h
1897
int main (void) { (vector int) {1}; return 0; }
1898
EOF
1899
fi
1900

    
1901
# We have to check if pld is a nop and disable it.
1902
enabled arm     && check_asm pld     '"pld [r0]"'
1903
enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1904
enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
1905
enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
1906
enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
1907
enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
1908
enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
1909
enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
1910
enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1911

    
1912
enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
1913

    
1914
# ---
1915
# big/little-endian test
1916
check_cc <<EOF || die "endian test failed"
1917
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1918
EOF
1919
od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1920

    
1921
# ---
1922
# check availability of some header files
1923

    
1924
if check_func dlopen; then
1925
    ldl=
1926
elif check_func dlopen -ldl; then
1927
    ldl=-ldl
1928
fi
1929

    
1930
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
1931
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
1932

    
1933
check_func  fork
1934
check_func  gethrtime
1935
check_func  getrusage
1936
check_func  inet_aton $network_extralibs
1937
check_func  memalign
1938
check_func  mkstemp
1939
check_func  posix_memalign
1940
check_func_headers io.h setmode
1941
check_func_headers windows.h GetProcessTimes
1942

    
1943
check_header conio.h
1944
check_header dlfcn.h
1945
check_header malloc.h
1946
check_header poll.h
1947
check_header sys/mman.h
1948
check_header sys/resource.h
1949
check_header sys/select.h
1950
check_header termios.h
1951
check_header vdpau/vdpau.h
1952
check_header vdpau/vdpau_x11.h
1953
check_header X11/extensions/XvMClib.h
1954

    
1955
if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
1956
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
1957
fi
1958

    
1959
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
1960
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1961

    
1962
# check for some common methods of building with pthread support
1963
# do this before the optional library checks as some of them require pthreads
1964
if enabled pthreads; then
1965
    if check_func pthread_create; then
1966
        :
1967
    elif check_func pthread_create -pthread; then
1968
        add_cflags -pthread
1969
        add_extralibs -pthread
1970
    elif check_func pthread_create -pthreads; then
1971
        add_cflags -pthreads
1972
        add_extralibs -pthreads
1973
    elif check_func pthread_create -lpthreadGC2; then
1974
        add_extralibs -lpthreadGC2
1975
    elif ! check_lib pthread.h pthread_create -lpthread; then
1976
        die "ERROR: can't find pthreads library"
1977
    fi
1978
fi
1979

    
1980
for thread in $THREADS_LIST; do
1981
    if enabled $thread; then
1982
        test -n "$thread_type" &&
1983
            die "ERROR: Only one thread type must be selected." ||
1984
            thread_type="$thread"
1985
    fi
1986
done
1987

    
1988
check_lib math.h sin -lm
1989

    
1990
# test for C99 functions in math.h
1991
for func in llrint lrint lrintf round roundf truncf; do
1992
    check_exec <<EOF && enable $func || disable $func
1993
#include <math.h>
1994
int main(void) { return ($func(3.999f) > 0)?0:1; }
1995
EOF
1996
done
1997

    
1998
# these are off by default, so fail if requested and not available
1999
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2000
enabled libamr_nb  && require  libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
2001
enabled libamr_wb  && require  libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
2002
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2003
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2004
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
2005
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2006
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2007
enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
2008
enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2009
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2010
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2011
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2012
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2013
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2014
enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
2015
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2016
enabled libx264    && require  libx264 x264.h x264_encoder_open -lx264 -lm &&
2017
                      { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2018
                        die "ERROR: libx264 version must be >= 0.65."; }
2019
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2020
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2021

    
2022
# libdc1394 check
2023
if enabled libdc1394; then
2024
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2025
        enable libdc1394_2; } ||
2026
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2027
        enable libdc1394_1; } ||
2028
    die "ERROR: No version of libdc1394 found "
2029
fi
2030

    
2031

    
2032
_restrict=
2033
for restrict_keyword in restrict __restrict__ __restrict; do
2034
    check_cc <<EOF && _restrict=$restrict_keyword && break
2035
void foo(char * $restrict_keyword p);
2036
EOF
2037
done
2038

    
2039
##########################################
2040
# SDL check
2041

    
2042
disable sdl_too_old
2043
disable sdl
2044
SDL_CONFIG="${cross_prefix}sdl-config"
2045
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2046
    sdl_cflags=`"${SDL_CONFIG}" --cflags`
2047
    temp_cflags $sdl_cflags
2048
    temp_extralibs `"${SDL_CONFIG}" --libs`
2049
    if check_lib2 SDL.h SDL_Init; then
2050
        _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
2051
        if test "$_sdlversion" -lt 121 ; then
2052
            enable sdl_too_old
2053
        else
2054
            enable sdl
2055
            check_cc $sdl_cflags <<EOF && enable sdl_video_size
2056
#include <SDL.h>
2057
int main(int argc, char **argv){
2058
    const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2059
    int w = vi->current_w;
2060
    return 0;
2061
}
2062
EOF
2063
        fi
2064
    fi
2065
    restore_flags
2066
fi
2067

    
2068
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2069

    
2070
##########################################
2071
# Network check
2072

    
2073
if enabled network; then
2074
    check_type "sys/types.h sys/socket.h" socklen_t
2075
    # Prefer arpa/inet.h over winsock2
2076
    if check_header arpa/inet.h ; then
2077
        check_func closesocket
2078
    elif check_header winsock2.h ; then
2079
        network_extralibs="-lws2_32"
2080
        check_type ws2tcpip.h socklen_t
2081
        check_func_headers winsock2.h closesocket
2082
    fi
2083
fi
2084

    
2085
##########################################
2086
# IPv6 check
2087

    
2088
enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
2089
#include <sys/types.h>
2090
#include <sys/socket.h>
2091
#include <netinet/in.h>
2092
#include <netdb.h>
2093
int main(void) {
2094
    struct sockaddr_storage saddr;
2095
    struct ipv6_mreq mreq6;
2096
    getaddrinfo(0,0,0,0);
2097
    getnameinfo(0,0,0,0,0,0,0);
2098
    IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2099
}
2100
EOF
2101

    
2102
check_header linux/videodev.h
2103
check_header linux/videodev2.h
2104
check_header sys/videoio.h
2105

    
2106
check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2107

    
2108
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2109
{ check_header dev/bktr/ioctl_meteor.h &&
2110
  check_header dev/bktr/ioctl_bt848.h; } ||
2111
{ check_header machine/ioctl_meteor.h &&
2112
  check_header machine/ioctl_bt848.h; } ||
2113
{ check_header dev/video/meteor/ioctl_meteor.h &&
2114
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2115
check_header dev/ic/bt8xx.h
2116

    
2117
check_header sys/soundcard.h
2118
check_header soundcard.h
2119

    
2120
check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2121

    
2122
# deal with the X11 frame grabber
2123
enabled x11grab                         &&
2124
check_header X11/Xlib.h                 &&
2125
check_header X11/extensions/XShm.h      &&
2126
check_func XOpenDisplay -lX11           &&
2127
check_func XShmCreateImage -lX11 -lXext
2128

    
2129
enabled debug && add_cflags -g"$debuglevel"
2130

    
2131
# add some useful compiler flags if supported
2132
check_cflags -Wdeclaration-after-statement
2133
check_cflags -Wall
2134
check_cflags -Wno-switch
2135
check_cflags -Wdisabled-optimization
2136
check_cflags -Wpointer-arith
2137
check_cflags -Wredundant-decls
2138
check_cflags -Wno-pointer-sign
2139
check_cflags -Wcast-qual
2140
check_cflags -Wwrite-strings
2141
check_cflags -Wtype-limits
2142
check_cflags -Wundef
2143
enabled extra_warnings && check_cflags -Winline
2144

    
2145
# add some linker flags
2146
check_ldflags -Wl,--warn-common
2147
check_ldflags -Wl,--as-needed
2148
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'
2149
check_ldflags -Wl,-Bsymbolic
2150

    
2151
if enabled small; then
2152
    check_cflags -Os            # not all compilers support -Os
2153
    optimizations="small"
2154
elif enabled optimizations; then
2155
    if enabled xlc; then
2156
        add_cflags  -O5
2157
        add_ldflags -O5
2158
    elif enabled ccc; then
2159
        add_cflags -fast
2160
    else
2161
        add_cflags -O3
2162
    fi
2163
fi
2164
check_cflags -fno-math-errno
2165
check_cflags -fno-signed-zeros
2166

    
2167
# add some flags for Intel C Compiler
2168
if enabled icc; then
2169
    # Just warnings, no remarks
2170
    check_cflags -w1
2171
    # -wd: Disable following warnings
2172
    # 144, 167, 556: -Wno-pointer-sign
2173
    # 10006: ignoring unknown option -fno-signed-zeros
2174
    # 10156: ignoring option '-W'; no argument required
2175
    check_cflags -wd144,167,556,10006,10156
2176
    # 11030: Warning unknown option --as-needed
2177
    # 10156: ignoring option '-export'; no argument required
2178
    check_ldflags -wd10156,11030
2179
    # Allow to compile with optimizations
2180
    check_ldflags -march=$cpu
2181
elif enabled ccc; then
2182
    # disable some annoying warnings
2183
    add_cflags -msg_disable cvtu32to64
2184
    add_cflags -msg_disable embedcomment
2185
    add_cflags -msg_disable needconstext
2186
    add_cflags -msg_disable nomainieee
2187
    add_cflags -msg_disable ptrmismatch1
2188
    add_cflags -msg_disable unreachcode
2189
fi
2190

    
2191
# PIC flags for shared library objects where they are needed
2192
if enabled shared; then
2193
    # LIBOBJFLAGS may have already been set in the OS configuration
2194
    if test -z "$LIBOBJFLAGS" ; then
2195
        case "${subarch-$arch}" in
2196
            x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2197
        esac
2198
    fi
2199
fi
2200

    
2201
if enabled gprof; then
2202
    add_cflags  -p
2203
    add_ldflags -p
2204
fi
2205

    
2206
# Find out if the .align argument is a power of two or not.
2207
check_asm asmalign_pot '".align 3"'
2208

    
2209
enabled_any $DECODER_LIST      && enable decoders
2210
enabled_any $ENCODER_LIST      && enable encoders
2211
enabled_any $BSF_LIST          && enable bsfs
2212
enabled_any $DEMUXER_LIST      && enable demuxers
2213
enabled_any $MUXER_LIST        && enable muxers
2214
enabled_any $FILTER_LIST       && enable filters
2215
enabled_any $INDEV_LIST        && enable demuxers
2216
enabled_any $OUTDEV_LIST       && enable muxers
2217
enabled_any $PROTOCOL_LIST     && enable protocols
2218

    
2219
enabled_any $THREADS_LIST      && enable threads
2220

    
2221
check_deps $CONFIG_LIST       \
2222
           $CONFIG_EXTRA      \
2223
           $HAVE_LIST         \
2224
           $DECODER_LIST      \
2225
           $ENCODER_LIST      \
2226
           $PARSER_LIST       \
2227
           $BSF_LIST          \
2228
           $DEMUXER_LIST      \
2229
           $MUXER_LIST        \
2230
           $FILTER_LIST       \
2231
           $INDEV_LIST        \
2232
           $OUTDEV_LIST       \
2233
           $PROTOCOL_LIST     \
2234

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

    
2322
for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
2323
    echo "Enabled ${type}s:"
2324
    eval list=\$$(toupper $type)_LIST
2325
    for part in $list; do
2326
        enabled $part && echo ${part%_*}
2327
    done | sort | pr -3 -t
2328
    echo
2329
done
2330

    
2331
license="LGPL"
2332
if enabled nonfree; then
2333
    license="unredistributable"
2334
elif enabled gpl; then
2335
    license="GPL"
2336
fi
2337

    
2338
echo "License: $license"
2339

    
2340
echo "Creating config.mak and config.h..."
2341

    
2342
echo "# Automatically generated by configure - do not modify!" > config.mak
2343
echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2344
echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2345
echo "#define FFMPEG_CONFIG_H" >> $TMPH
2346
echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2347
echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2348

    
2349
echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2350
echo "prefix=$prefix" >> config.mak
2351
echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2352
echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2353
echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2354
echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2355
echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2356
echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2357
echo "CC=$cc" >> config.mak
2358
echo "AS=$as" >> config.mak
2359
echo "YASM=$yasmexe" >> config.mak
2360
echo "AR=$ar" >> config.mak
2361
echo "RANLIB=$ranlib" >> config.mak
2362
echo "LN_S=$ln_s" >> config.mak
2363
enabled stripping &&
2364
    echo "STRIP=$strip" >> config.mak ||
2365
    echo "STRIP=echo ignoring strip" >> config.mak
2366

    
2367
echo "OPTFLAGS=$CFLAGS" >> config.mak
2368
echo "LDFLAGS=$LDFLAGS" >> config.mak
2369
echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2370
echo "SHFLAGS=$SHFLAGS" >> config.mak
2371
echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2372
echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2373
echo "BUILD_STATIC=$static" >> config.mak
2374
echo "BUILDSUF=$build_suffix" >> config.mak
2375
echo "FULLNAME=$FULLNAME" >> config.mak
2376
echo "LIBPREF=$LIBPREF" >> config.mak
2377
echo "LIBSUF=$LIBSUF" >> config.mak
2378
echo "LIBNAME=$LIBNAME" >> config.mak
2379
echo "SLIBPREF=$SLIBPREF" >> config.mak
2380
echo "SLIBSUF=$SLIBSUF" >> config.mak
2381
echo "EXESUF=$EXESUF" >> config.mak
2382
echo "EXTRA_VERSION=$extra_version" >> config.mak
2383
echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2384
echo "HOSTCC=$host_cc" >> config.mak
2385
echo "HOSTCFLAGS=$host_cflags" >> config.mak
2386
echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2387
echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2388
echo "HOSTLIBS=$host_libs" >> config.mak
2389
echo "TARGET_EXEC=$target_exec" >> config.mak
2390
echo "TARGET_PATH=$target_path" >> config.mak
2391

    
2392
if enabled bigendian; then
2393
    echo "WORDS_BIGENDIAN=yes" >> config.mak
2394
    echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2395
fi
2396

    
2397
if enabled sdl; then
2398
    echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2399
    echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2400
fi
2401
if enabled texi2html; then
2402
    echo "BUILD_DOC=yes" >> config.mak
2403
fi
2404

    
2405
get_version(){
2406
    name=$1
2407
    file=$source_path/$2
2408
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2409
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2410
    lcname=$(tolower $name)
2411
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2412
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2413
}
2414

    
2415
get_version LIBSWSCALE  libswscale/swscale.h
2416
get_version LIBPOSTPROC libpostproc/postprocess.h
2417
get_version LIBAVCODEC  libavcodec/avcodec.h
2418
get_version LIBAVDEVICE libavdevice/avdevice.h
2419
get_version LIBAVFORMAT libavformat/avformat.h
2420
get_version LIBAVUTIL   libavutil/avutil.h
2421
get_version LIBAVFILTER libavfilter/avfilter.h
2422

    
2423
if enabled shared; then
2424
    echo "BUILD_SHARED=yes" >> config.mak
2425
    echo "PIC=-fPIC -DPIC" >> config.mak
2426
    echo "LIBTARGET=${LIBTARGET}" >> config.mak
2427
    echo "SLIBNAME=${SLIBNAME}" >> config.mak
2428
    echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2429
    echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2430
    echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2431
    echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2432
    echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2433
    echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2434
fi
2435
echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2436
echo "EXTRALIBS=$extralibs" >> config.mak
2437

    
2438
echo "ARCH=$arch" >> config.mak
2439

    
2440
print_config ARCH_   $TMPH config.mak $ARCH_LIST
2441
print_config HAVE_   $TMPH config.mak $HAVE_LIST
2442
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2443
                                      $CONFIG_EXTRA      \
2444
                                      $DECODER_LIST      \
2445
                                      $ENCODER_LIST      \
2446
                                      $PARSER_LIST       \
2447
                                      $BSF_LIST          \
2448
                                      $DEMUXER_LIST      \
2449
                                      $MUXER_LIST        \
2450
                                      $FILTER_LIST       \
2451
                                      $PROTOCOL_LIST     \
2452
                                      $INDEV_LIST        \
2453
                                      $OUTDEV_LIST       \
2454

    
2455
echo "#define restrict $_restrict" >> $TMPH
2456

    
2457
if enabled small; then
2458
    echo "#define av_always_inline"  >> $TMPH
2459
fi
2460

    
2461
echo "SRC_PATH=\"$source_path\"" >> config.mak
2462
echo "SRC_PATH_BARE=$source_path" >> config.mak
2463
echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2464

    
2465
# Apparently it's not possible to portably echo a backslash.
2466
enabled asmalign_pot &&
2467
    printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2468
    printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2469

    
2470
echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2471

    
2472
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2473

    
2474
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2475
cmp -s $TMPH config.h &&
2476
    echo "config.h is unchanged" ||
2477
    mv -f $TMPH config.h
2478

    
2479
# build tree in object directory if source path is different from current one
2480
if enabled source_path_used; then
2481
    DIRS="\
2482
        doc               \
2483
        libavcodec        \
2484
        libavcodec/alpha  \
2485
        libavcodec/arm    \
2486
        libavcodec/bfin   \
2487
        libavcodec/mlib   \
2488
        libavcodec/ppc    \
2489
        libavcodec/sh4    \
2490
        libavcodec/sparc  \
2491
        libavcodec/x86    \
2492
        libavdevice       \
2493
        libavfilter       \
2494
        libavformat       \
2495
        libavutil         \
2496
        libpostproc       \
2497
        libswscale        \
2498
        tests             \
2499
        tools             \
2500
        "
2501
    FILES="\
2502
        Makefile             \
2503
        common.mak           \
2504
        subdir.mak           \
2505
        doc/texi2pod.pl      \
2506
        libavcodec/Makefile  \
2507
        libavdevice/Makefile \
2508
        libavfilter/Makefile \
2509
        libavformat/Makefile \
2510
        libavutil/Makefile   \
2511
        libpostproc/Makefile \
2512
        libswscale/Makefile  \
2513
        "
2514
    for dir in $DIRS ; do
2515
        mkdir -p $dir
2516
    done
2517
    for f in $FILES ; do
2518
        $ln_s "$source_path/$f" $f
2519
    done
2520
fi
2521

    
2522

    
2523
# build pkg-config files
2524

    
2525
pkgconfig_generate(){
2526
name=$1
2527
shortname=${name#lib}${build_suffix}
2528
comment=$2
2529
version=$3
2530
libs=$4
2531
requires=$5
2532
cat <<EOF > $name/$name.pc
2533
prefix=$prefix
2534
exec_prefix=\${prefix}
2535
libdir=$libdir
2536
includedir=$incdir
2537

    
2538
Name: $name
2539
Description: $comment
2540
Version: $version
2541
Requires: $(disabled shared && echo $requires)
2542
Requires.private: $(enabled shared && echo $requires)
2543
Conflicts:
2544
Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2545
Libs.private: $(enabled shared && echo $libs)
2546
Cflags: -I\${includedir}
2547
EOF
2548
cat <<EOF > $name/$name-uninstalled.pc
2549
prefix=
2550
exec_prefix=
2551
libdir=\${pcfiledir}
2552
includedir=${source_path}
2553

    
2554
Name: $name
2555
Description: $comment
2556
Version: $version
2557
Requires: $requires
2558
Conflicts:
2559
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2560
Cflags: -I\${includedir}
2561
EOF
2562
}
2563

    
2564
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2565
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2566
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2567
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2568
enabled avfilter &&
2569
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2570
enabled postproc &&
2571
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2572
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"