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#!/bin/sh
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#
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# FFmpeg configure script
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#
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# Copyright (c) 2000-2002 Fabrice Bellard
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# Copyright (c) 2005-2008 Diego Biurrun
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# Copyright (c) 2005-2008 Mans Rullgard
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#
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# Prevent locale nonsense from breaking basic text processing.
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LC_ALL=C
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export LC_ALL
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# make sure we are running under a compatible shell
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# try to make this part work with most shells
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try_exec(){
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    echo "Trying shell $1"
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    type "$1" > /dev/null 2>&1 && exec "$@"
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}
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unset foo
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(: ${foo%%bar}) 2> /dev/null
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E1="$?"
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(: ${foo?}) 2> /dev/null
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E2="$?"
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if test "$E1" != 0 || test "$E2" = 0; then
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    echo "Broken shell detected.  Trying alternatives."
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    export FF_CONF_EXEC
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    if test "0$FF_CONF_EXEC" -lt 1; then
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        FF_CONF_EXEC=1
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        try_exec bash "$0" "$@"
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    fi
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    if test "0$FF_CONF_EXEC" -lt 2; then
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        FF_CONF_EXEC=2
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        try_exec ksh "$0" "$@"
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    fi
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    if test "0$FF_CONF_EXEC" -lt 3; then
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        FF_CONF_EXEC=3
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        try_exec /usr/xpg4/bin/sh "$0" "$@"
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    fi
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    echo "No compatible shell script interpreter found."
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    echo "This configure script requires a POSIX-compatible shell"
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    echo "such as bash or ksh."
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    echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
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    echo "Instead, install a working POSIX-compatible shell."
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    echo "Disabling this configure test will create a broken FFmpeg."
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    if test "$BASH_VERSION" = '2.04.0(1)-release'; then
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        echo "This bash version ($BASH_VERSION) is broken on your platform."
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        echo "Upgrade to a later version if available."
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    fi
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    exit 1
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fi
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show_help(){
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  echo "Usage: configure [options]"
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  echo "Options: [defaults in brackets after descriptions]"
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  echo
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  echo "Standard options:"
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  echo "  --help                   print this message"
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  echo "  --logfile=FILE           log tests and output to FILE [config.err]"
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  echo "  --disable-logging        do not log configure debug information"
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  echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
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  echo "  --bindir=DIR             install binaries in DIR [PREFIX/bin]"
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  echo "  --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]"
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  echo "  --libdir=DIR             install libs in DIR [PREFIX/lib]"
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  echo "  --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]"
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  echo "  --incdir=DIR             install includes in DIR [PREFIX/include]"
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  echo "  --mandir=DIR             install man page in DIR [PREFIX/share/man]"
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  echo
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  echo "Configuration options:"
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  echo "  --disable-static         do not build static libraries [no]"
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  echo "  --enable-shared          build shared libraries [no]"
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  echo "  --enable-gpl             allow use of GPL code, the resulting libs"
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  echo "                           and binaries will be under GPL [no]"
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  echo "  --enable-nonfree         allow use of nonfree code, the resulting libs"
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  echo "                           and binaries will be unredistributable [no]"
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  echo "  --disable-ffmpeg         disable ffmpeg build"
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  echo "  --disable-ffplay         disable ffplay build"
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  echo "  --disable-ffserver       disable ffserver build"
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  echo "  --enable-postproc        enable GPLed postprocessing support [no]"
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  echo "  --enable-avfilter        video filter support [no]"
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  echo "  --enable-avfilter-lavf   video filters dependent on avformat [no]"
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  echo "  --enable-beosthreads     use BeOS threads [no]"
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  echo "  --enable-os2threads      use OS/2 threads [no]"
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  echo "  --enable-pthreads        use pthreads [no]"
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  echo "  --enable-w32threads      use Win32 threads [no]"
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  echo "  --enable-x11grab         enable X11 grabbing [no]"
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  echo "  --disable-network        disable network support [no]"
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  echo "  --disable-ipv6           disable IPv6 support [no]"
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  echo "  --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]"
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  echo "  --enable-gray            enable full grayscale support (slower color)"
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  echo "  --disable-fastdiv        disable table-based division"
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  echo "  --enable-small           optimize for size instead of speed"
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  echo "  --disable-aandct         disable AAN DCT code"
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  echo "  --disable-fft            disable FFT code"
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  echo "  --disable-golomb         disable Golomb code"
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  echo "  --disable-mdct           disable MDCT code"
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  echo "  --disable-rdft           disable RDFT code"
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  echo "  --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
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  echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
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  echo "  --enable-beos-netserver  enable BeOS netserver"
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  echo "  --disable-encoder=NAME   disable encoder NAME"
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  echo "  --enable-encoder=NAME    enable encoder NAME"
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  echo "  --disable-encoders       disable all encoders"
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  echo "  --disable-decoder=NAME   disable decoder NAME"
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  echo "  --enable-decoder=NAME    enable decoder NAME"
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  echo "  --disable-decoders       disable all decoders"
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  echo "  --disable-muxer=NAME     disable muxer NAME"
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  echo "  --enable-muxer=NAME      enable muxer NAME"
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  echo "  --disable-muxers         disable all muxers"
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  echo "  --disable-demuxer=NAME   disable demuxer NAME"
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  echo "  --enable-demuxer=NAME    enable demuxer NAME"
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  echo "  --disable-demuxers       disable all demuxers"
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  echo "  --enable-parser=NAME     enable parser NAME"
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  echo "  --disable-parser=NAME    disable parser NAME"
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  echo "  --disable-parsers        disable all parsers"
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  echo "  --enable-bsf=NAME        enable bitstream filter NAME"
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  echo "  --disable-bsf=NAME       disable bitstream filter NAME"
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  echo "  --disable-bsfs           disable all bitstream filters"
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  echo "  --enable-protocol=NAME   enable protocol NAME"
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  echo "  --disable-protocol=NAME  disable protocol NAME"
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  echo "  --disable-protocols      disable all protocols"
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  echo "  --disable-indevs         disable input devices"
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  echo "  --disable-outdevs        disable output devices"
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  echo "  --disable-devices        disable all devices"
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  echo "  --enable-filter=NAME     enable filter NAME"
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  echo "  --disable-filter=NAME    disable filter NAME"
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  echo "  --disable-filters        disable all filters"
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  echo "  --list-decoders          show all available decoders"
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  echo "  --list-encoders          show all available encoders"
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  echo "  --list-muxers            show all available muxers"
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  echo "  --list-demuxers          show all available demuxers"
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  echo "  --list-parsers           show all available parsers"
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  echo "  --list-protocols         show all available protocols"
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  echo "  --list-bsfs              show all available bitstream filters"
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  echo "  --list-indevs            show all available input devices"
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  echo "  --list-outdevs           show all available output devices"
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  echo "  --list-filters           show all available filters"
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  echo
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  echo "External library support:"
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  echo "  --enable-avisynth        enable reading of AVISynth script files [no]"
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  echo "  --enable-bzlib           enable bzlib [autodetect]"
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  echo "  --enable-libamr-nb       enable libamr-nb floating point audio codec [no]"
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  echo "  --enable-libamr-wb       enable libamr-wb floating point audio codec [no]"
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  echo "  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394"
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  echo "                           and libraw1394 [no]"
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  echo "  --enable-libdirac        enable Dirac support via libdirac [no]"
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  echo "  --enable-libfaac         enable FAAC support via libfaac [no]"
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  echo "  --enable-libfaad         enable FAAD support via libfaad [no]"
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  echo "  --enable-libfaadbin      open libfaad.so.0 at runtime [no]"
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  echo "  --enable-libgsm          enable GSM support via libgsm [no]"
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  echo "  --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]"
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  echo "  --enable-libnut          enable NUT (de)muxing via libnut,"
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  echo "                           native (de)muxer exists [no]"
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  echo "  --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]"
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  echo "  --enable-libschroedinger enable Dirac support via libschroedinger [no]"
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  echo "  --enable-libspeex        enable Speex decoding via libspeex [no]"
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  echo "  --enable-libtheora       enable Theora encoding via libtheora [no]"
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  echo "  --enable-libvorbis       enable Vorbis encoding via libvorbis,"
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  echo "                           native implementation exists [no]"
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  echo "  --enable-libx264         enable H.264 encoding via x264 [no]"
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  echo "  --enable-libxvid         enable Xvid encoding via xvidcore,"
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  echo "                           native MPEG-4/Xvid encoder exists [no]"
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  echo "  --enable-mlib            enable Sun medialib [no]"
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  echo "  --enable-zlib            enable zlib [autodetect]"
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  echo ""
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  echo "Advanced options (experts only):"
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  echo "  --source-path=PATH       path to source code [$source_path]"
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  echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
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  echo "  --enable-cross-compile   assume a cross-compiler is used"
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  echo "  --sysroot=PATH           root of cross-build tree"
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  echo "  --sysinclude=PATH        location of cross-build system headers"
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  echo "  --target-os=OS           compiler targets OS [$target_os]"
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  echo "  --target-exec=CMD        command to run executables on target"
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  echo "  --target-path=DIR        path to view of build directory on target"
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  echo "  --nm=NM                  use nm tool"
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  echo "  --as=AS                  use assembler AS [$as_default]"
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  echo "  --cc=CC                  use C compiler CC [$cc_default]"
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  echo "  --host-cc=HOSTCC         use host C compiler HOSTCC"
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  echo "  --host-cflags=HCFLAGS    use HCFLAGS when compiling for host"
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  echo "  --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host"
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  echo "  --host-libs=HLIBS        use libs HLIBS when linking for host"
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  echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
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  echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
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  echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
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  echo "  --extra-version=STRING   version string suffix []"
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  echo "  --build-suffix=SUFFIX    library name suffix []"
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  echo "  --arch=ARCH              select architecture [$arch]"
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  echo "  --cpu=CPU                select the minimum required CPU (affects"
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  echo "                           instruction selection, may crash on older CPUs)"
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  echo "  --enable-powerpc-perf    enable performance report on PPC"
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  echo "                           (requires enabling PMC)"
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  echo "  --disable-altivec        disable AltiVec optimizations"
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  echo "  --disable-amd3dnow       disable 3DNow! optimizations"
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  echo "  --disable-amd3dnowext    disable 3DNow! extended optimizations"
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  echo "  --disable-mmx            disable MMX optimizations"
200
  echo "  --disable-mmx2           disable MMX2 optimizations"
201
  echo "  --disable-sse            disable SSE optimizations"
202
  echo "  --disable-ssse3          disable SSSE3 optimizations"
203
  echo "  --disable-armv5te        disable armv5te optimizations"
204
  echo "  --disable-armv6          disable armv6 optimizations"
205
  echo "  --disable-armv6t2        disable armv6t2 optimizations"
206
  echo "  --disable-armvfp         disable ARM VFP optimizations"
207
  echo "  --disable-iwmmxt         disable iwmmxt optimizations"
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  echo "  --disable-mmi            disable MMI optimizations"
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
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}
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 fastdiv
1171
enable ffmpeg
1172
enable ffplay
1173
enable ffserver
1174
enable ipv6
1175
enable mpegaudio_hp
1176
enable network
1177
enable optimizations
1178
enable protocols
1179
enable static
1180
enable stripping
1181

    
1182
# build settings
1183
add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1184
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1185
FFSERVERLDFLAGS=-Wl,-E
1186
LIBPREF="lib"
1187
LIBSUF=".a"
1188
FULLNAME='$(NAME)$(BUILDSUF)'
1189
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1190
SLIBPREF="lib"
1191
SLIBSUF=".so"
1192
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1193
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1194
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1195
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1196

    
1197
host_cflags='-O3 -g -Wall'
1198
host_libs='-lm'
1199

    
1200
target_path='.'
1201

    
1202
# gcc stupidly only outputs the basename of targets with -MM, but we need the
1203
# full relative path for objects in subdirectories for non-recursive Make.
1204
DEPEND_CMD='$(CC) $(CFLAGS) -MM $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1205

    
1206
# find source path
1207
source_path="`dirname \"$0\"`"
1208
enable source_path_used
1209
if test -z "$source_path" -o "$source_path" = "." ; then
1210
    source_path="`pwd`"
1211
    disable source_path_used
1212
else
1213
    source_path="`cd \"$source_path\"; pwd`"
1214
    echo "$source_path" | grep -q '[[:blank:]]' &&
1215
        die "Out of tree builds are impossible with whitespace in source path."
1216
fi
1217

    
1218
FFMPEG_CONFIGURATION="$@"
1219

    
1220
find_things(){
1221
    thing=$1
1222
    pattern=$2
1223
    file=$source_path/$3
1224
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1225
}
1226

    
1227
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1228
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1229
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1230
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1231
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1232
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1233
OUTDEV_LIST=$(find_things   muxer    _MUX     libavdevice/alldevices.c)
1234
INDEV_LIST=$(find_things    demuxer  DEMUX    libavdevice/alldevices.c)
1235
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1236
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1237

    
1238
enable $ARCH_EXT_LIST \
1239
       $DECODER_LIST \
1240
       $ENCODER_LIST \
1241
       $PARSER_LIST \
1242
       $BSF_LIST \
1243
       $DEMUXER_LIST \
1244
       $MUXER_LIST \
1245
       $FILTER_LIST \
1246
       $PROTOCOL_LIST \
1247
       $INDEV_LIST \
1248
       $OUTDEV_LIST \
1249

    
1250
die_unknown(){
1251
    echo "Unknown option \"$1\"."
1252
    echo "See $0 --help for available options."
1253
    exit 1
1254
}
1255

    
1256
show_list() {
1257
    suffix=_$1
1258
    shift
1259
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1260
    exit 0
1261
}
1262

    
1263
for opt do
1264
    optval="${opt#*=}"
1265
    case "$opt" in
1266
    --extra-cflags=*) add_cflags $optval
1267
    ;;
1268
    --extra-ldflags=*) add_ldflags $optval
1269
    ;;
1270
    --extra-libs=*) add_extralibs $optval
1271
    ;;
1272
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1273
    ;;
1274
    --enable-debug=*) debuglevel="$optval"
1275
    ;;
1276
    --enable-*=*|--disable-*=*)
1277
    eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1278
    case "$thing" in
1279
        encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1280
        *) die_unknown "$opt" ;;
1281
    esac
1282
    ;;
1283
    --enable-?*|--disable-?*)
1284
    eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1285
    if is_in $option $COMPONENT_LIST; then
1286
        eval $action \$$(toupper ${option%s})_LIST
1287
    elif is_in $option $CMDLINE_SELECT; then
1288
        $action $option
1289
    else
1290
        die_unknown $opt
1291
    fi
1292
    ;;
1293
    --list-*)
1294
        NAME="${opt#--list-}"
1295
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1296
        NAME=${NAME%s}
1297
        eval show_list $NAME \$$(toupper $NAME)_LIST
1298
    ;;
1299
    --help|-h) show_help
1300
    ;;
1301
    *)
1302
    optname="${opt%%=*}"
1303
    optname="${optname#--}"
1304
    optname=$(echo "$optname" | sed 's/-/_/g')
1305
    is_in $optname $CMDLINE_SET || die_unknown $opt
1306
    eval $optname='$optval'
1307
    ;;
1308
    esac
1309
done
1310

    
1311
disabled logging && logfile=/dev/null
1312

    
1313
echo "# $0 $@" > $logfile
1314
set >> $logfile
1315

    
1316
test -n "$cross_prefix" && enable cross_compile
1317

    
1318
ar="${cross_prefix}${ar}"
1319
as_default="${cross_prefix}${as_default}"
1320
cc_default="${cross_prefix}${cc_default}"
1321
nm_default="${cross_prefix}${nm_default}"
1322
ranlib="${cross_prefix}${ranlib}"
1323
strip="${cross_prefix}${strip}"
1324

    
1325
sysinclude_default="${sysroot}/usr/include"
1326

    
1327
set_default as cc nm sysinclude
1328
enabled cross_compile || host_cc_default=$cc
1329
set_default host_cc
1330

    
1331
exesuf() {
1332
    case $1 in
1333
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1334
    esac
1335
}
1336

    
1337
EXESUF=$(exesuf $target_os)
1338
HOSTEXESUF=$(exesuf $host_os)
1339

    
1340
# set temporary file name
1341
: ${TMPDIR:=$TEMPDIR}
1342
: ${TMPDIR:=$TMP}
1343
: ${TMPDIR:=/tmp}
1344

    
1345
if ! check_cmd type mktemp; then
1346
    # simple replacement for missing mktemp
1347
    # NOT SAFE FOR GENERAL USE
1348
    mktemp(){
1349
        echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1350
    }
1351
fi
1352

    
1353
tmpfile(){
1354
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1355
        (set -C; exec > $tmp) 2>/dev/null ||
1356
        die "Unable to create temoporary file in $TMPDIR."
1357
    append TMPFILES $tmp
1358
    eval $1=$tmp
1359
}
1360

    
1361
trap 'rm -f -- $TMPFILES' EXIT
1362
trap exit HUP INT TERM
1363

    
1364
tmpfile TMPC  .c
1365
tmpfile TMPE  $EXESUF
1366
tmpfile TMPH  .h
1367
tmpfile TMPO  .o
1368
tmpfile TMPS  .S
1369
tmpfile TMPSH .sh
1370

    
1371
unset -f mktemp
1372

    
1373
# make sure we can execute files in $TMPDIR
1374
cat > $TMPSH 2>> $logfile <<EOF
1375
#! /bin/sh
1376
EOF
1377
chmod +x $TMPSH >> $logfile 2>&1
1378
if ! $TMPSH >> $logfile 2>&1; then
1379
    cat <<EOF
1380
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1381
variable to another directory and make sure that it is not mounted noexec.
1382
EOF
1383
    die "Sanity test failed."
1384
fi
1385

    
1386
if   $cc --version 2>/dev/null | grep -qi gcc; then
1387
    cc_type=gcc
1388
elif $cc --version 2>/dev/null | grep -q Intel; then
1389
    cc_type=icc
1390
elif $cc -v 2>&1 | grep -q xlc; then
1391
    cc_type=xlc
1392
elif $cc -V 2>/dev/null | grep -q Compaq; then
1393
    cc_type=ccc
1394
    DEPEND_CMD='$(CC) $(CFLAGS) -M $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
1395
    debuglevel=3
1396
    add_ldflags -Wl,-z,now # calls to libots crash without this
1397
elif $cc --vsn 2>/dev/null | grep -q RVCT; then
1398
    test -d "$sysroot" || die "No valid sysroot specified."
1399
    cc_type=armcc
1400
    armcc_conf="$PWD/armcc.conf"
1401
    $cc --arm_linux_configure                 \
1402
        --arm_linux_config_file="$armcc_conf" \
1403
        --configure_sysroot="$sysroot"        \
1404
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1405
        die "Error creating armcc configuration file."
1406
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1407
fi
1408

    
1409
test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1410

    
1411
if test -n "$sysroot"; then
1412
    case "$cc_type" in
1413
        gcc)
1414
            add_cflags  --sysroot="$sysroot"
1415
            add_ldflags --sysroot="$sysroot"
1416
        ;;
1417
    esac
1418
fi
1419

    
1420
# compiler sanity check
1421
check_exec <<EOF
1422
int main(void){ return 0; }
1423
EOF
1424
if test "$?" != 0; then
1425
    echo "$cc is unable to create an executable file."
1426
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
1427
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1428
        echo "Only do this if you know what cross compiling means."
1429
    fi
1430
    die "C compiler test failed."
1431
fi
1432

    
1433
check_cflags -std=c99
1434
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cflags -D_FILE_OFFSET_BITS=64
1435
#include <stdlib.h>
1436
EOF
1437
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cflags -D_LARGEFILE_SOURCE
1438
#include <stdlib.h>
1439
EOF
1440

    
1441
case "$arch" in
1442
    alpha)
1443
        arch="alpha"
1444
        enable fast_64bit
1445
        check_cflags -mieee
1446
    ;;
1447
    arm|armv[4567]*l)
1448
        arch="arm"
1449
    ;;
1450
    avr32)
1451
    ;;
1452
    bfin)
1453
        arch="bfin"
1454
    ;;
1455
    ia64)
1456
        arch="ia64"
1457
        enable fast_64bit
1458
    ;;
1459
    m68k)
1460
        arch="m68k"
1461
    ;;
1462
    mips|mipsel|IP*)
1463
        arch="mips"
1464
    ;;
1465
    mips64)
1466
        arch="mips"
1467
        enable fast_64bit
1468
    ;;
1469
    parisc|hppa)
1470
        arch="parisc"
1471
    ;;
1472
    parisc64|hppa64)
1473
        arch="parisc"
1474
        enable fast_64bit
1475
    ;;
1476
    "Power Macintosh"|ppc|powerpc)
1477
        arch="ppc"
1478
        enable fast_unaligned
1479
    ;;
1480
    ppc64)
1481
        arch="ppc"
1482
        enable fast_64bit
1483
        enable fast_unaligned
1484
    ;;
1485
    s390|s390x)
1486
        arch="s390"
1487
    ;;
1488
    sh4|sh)
1489
        arch="sh4"
1490
    ;;
1491
    sparc)
1492
        arch="sparc"
1493
    ;;
1494
    sun4u|sparc64)
1495
        arch="sparc"
1496
        subarch="sparc64"
1497
        enable fast_64bit
1498
    ;;
1499
    i386|i486|i586|i686|i86pc|BePC)
1500
        arch="x86"
1501
        subarch="x86_32"
1502
        enable fast_unaligned
1503
    ;;
1504
    x86_64|amd64)
1505
        arch="x86"
1506
        subarch="x86_32"
1507
        enable cmov
1508
        enable fast_cmov
1509
        enable fast_unaligned
1510
        check_cc <<EOF && enable fast_64bit && subarch="x86_64"
1511
        int test[sizeof(char*) - 7];
1512
EOF
1513
    ;;
1514
    *)
1515
        arch="unknown"
1516
    ;;
1517
esac
1518

    
1519
enable $arch $subarch
1520

    
1521
# OS specific
1522
case $target_os in
1523
    beos|haiku|zeta)
1524
        prefix_default="$HOME/config"
1525
        # helps building libavcodec
1526
        add_cflags -DPIC -fomit-frame-pointer
1527
        # 3 gcc releases known for BeOS, each with ugly bugs
1528
        gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1529
        case "$gcc_version" in
1530
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1531
            disable mmx
1532
            ;;
1533
          *20010315*) echo "BeBits gcc"
1534
            add_cflags -fno-expensive-optimizations
1535
            ;;
1536
        esac
1537
        SHFLAGS=-nostart
1538
        # enable BeOS things
1539
        enable audio_beos
1540
        # no need for libm, but the inet stuff
1541
        # Check for BONE
1542
        # XXX: actually should check for NOT net_server
1543
        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1544
            network_extralibs="-lbind -lsocket"
1545
        else
1546
            enable beos_netserver
1547
            network_extralibs="-lnet"
1548
        fi ;;
1549
    sunos)
1550
        FFSERVERLDFLAGS=""
1551
        SHFLAGS='-shared -Wl,-h,$$(@F)'
1552
        network_extralibs="-lsocket -lnsl"
1553
        add_cflags -D__EXTENSIONS__
1554
        ;;
1555
    netbsd)
1556
        oss_demuxer_extralibs="-lossaudio"
1557
        oss_muxer_extralibs="-lossaudio"
1558
        ;;
1559
    openbsd)
1560
        disable need_memalign
1561
        LIBOBJFLAGS='$(PIC)'
1562
        SHFLAGS='-shared'
1563
        oss_demuxer_extralibs="-lossaudio"
1564
        oss_muxer_extralibs="-lossaudio"
1565
        ;;
1566
    freebsd)
1567
        disable need_memalign
1568
        ;;
1569
    bsd/os)
1570
        osextralibs="-lpoll -lgnugetopt"
1571
        strip="strip -d"
1572
        ;;
1573
    darwin)
1574
        disable need_memalign
1575
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1576
        strip="strip -x"
1577
        FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1578
        SLIBSUF=".dylib"
1579
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1580
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1581
        FFSERVERLDFLAGS=-Wl,-bind_at_load
1582
        objformat="macho"
1583
        enabled x86_64 && objformat="macho64"
1584
        ;;
1585
    mingw32*)
1586
        target_os=mingw32
1587
        LIBTARGET=i386
1588
        if enabled x86_64; then
1589
            disable need_memalign
1590
            LIBTARGET=x64
1591
        fi
1592
        shlibdir_default="$bindir_default"
1593
        disable ffserver
1594
        SLIBPREF=""
1595
        SLIBSUF=".dll"
1596
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1597
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1598
        SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1599
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1600
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1601
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1602
        SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1603
        objformat="win32"
1604
        enable dos_paths
1605
        if ! enabled x86_64; then
1606
            check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1607
                die "ERROR: MinGW runtime version must be >= 3.15."
1608
            enabled_any avisynth vfwcap_demuxer &&
1609
                { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1610
                  die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1611
            fi
1612
        ;;
1613
    cygwin*)
1614
        target_os=cygwin
1615
        shlibdir_default="$bindir_default"
1616
        SLIBPREF="cyg"
1617
        SLIBSUF=".dll"
1618
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1619
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1620
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
1621
        objformat="win32"
1622
        enable dos_paths
1623
        ;;
1624
    *-dos|freedos|opendos)
1625
        disable ffplay ffserver
1626
        disable $INDEV_LIST $OUTDEV_LIST
1627
        network_extralibs="-lsocket"
1628
        objformat="coff"
1629
        enable dos_paths
1630
        ;;
1631
    linux)
1632
        enable dv1394
1633
        ;;
1634
    irix*)
1635
        target_os=irix
1636
        ranlib="echo ignoring ranlib"
1637
        ;;
1638
    os/2*)
1639
        strip="lxlite"
1640
        ln_s="cp -f"
1641
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1642
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1643
        FFSERVERLDFLAGS=""
1644
        LIBSUF="_s.a"
1645
        SLIBPREF=""
1646
        SLIBSUF=".dll"
1647
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1648
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1649
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1650
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1651
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1652
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1653
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1654
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1655
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1656
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1657
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1658
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1659
        enable dos_paths
1660
        ;;
1661

    
1662
    *)
1663
        die "Unknown OS '$target_os'."
1664
        ;;
1665
esac
1666

    
1667
set_default $PATHS_LIST
1668

    
1669
add_extralibs $osextralibs
1670

    
1671
# Combine FFLDFLAGS and the LDFLAGS environment variable.
1672
LDFLAGS="$FFLDFLAGS $LDFLAGS"
1673

    
1674
# we need to build at least one lib type
1675
if ! enabled_any static shared; then
1676
    cat <<EOF
1677
At least one library type must be built.
1678
Specify --enable-static to build the static libraries or --enable-shared to
1679
build the shared libraries as well. To only build the shared libraries specify
1680
--disable-static in addition to --enable-shared.
1681
EOF
1682
    exit 1;
1683
fi
1684

    
1685
disabled static && LIBNAME=""
1686

    
1687
if enabled_any libfaad libfaadbin ; then
1688
    if check_header faad.h; then
1689
        check_cc <<EOF
1690
#include <faad.h>
1691
#ifndef FAAD2_VERSION
1692
ok faad1
1693
#endif
1694
int main(void) { return 0; }
1695
EOF
1696
        test $? = 0 && enable libfaad2
1697
    else
1698
        die "FAAD test failed."
1699
    fi
1700
fi
1701

    
1702

    
1703
if ! enabled gpl; then
1704
    die_gpl_disabled(){
1705
        name=$1
1706
        shift
1707
        enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1708
    }
1709
    die_gpl_disabled "The Postprocessing code" postproc
1710
    die_gpl_disabled "libx264"                 libx264
1711
    die_gpl_disabled "libxvidcore"             libxvid
1712
    die_gpl_disabled "FAAD2"                   libfaad2
1713
    die_gpl_disabled "The X11 grabber"         x11grab
1714
fi
1715

    
1716
if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1717
    die "libamr is nonfree and --enable-nonfree is not specified."
1718
fi
1719

    
1720
check_deps $ARCH_EXT_LIST
1721

    
1722
test -z "$need_memalign" && need_memalign="$mmx"
1723

    
1724
#Darwin CC versions
1725
if test $target_os = darwin; then
1726
    if enabled xlc; then
1727
        add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1728
    else
1729
        add_cflags -pipe
1730
        check_cflags -force_cpusubtype_ALL
1731
        check_cflags -Wno-sign-compare
1732
        enabled shared || check_cflags -mdynamic-no-pic
1733
    fi
1734
fi
1735

    
1736
disabled optimizations || check_cflags -fomit-frame-pointer
1737

    
1738
# Add processor-specific flags
1739
if test $cpu != "generic"; then
1740
    warn_altivec(){
1741
        $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1742
    }
1743
    case $cpu in
1744
        601|ppc601|PowerPC601)
1745
            add_cflags -mcpu=601
1746
            warn_altivec enabled PPC601
1747
        ;;
1748
        603*|ppc603*|PowerPC603*)
1749
            add_cflags -mcpu=603
1750
            warn_altivec enabled PPC603
1751
        ;;
1752
        604*|ppc604*|PowerPC604*)
1753
            add_cflags -mcpu=604
1754
            warn_altivec enabled PPC604
1755
        ;;
1756
        G3|g3|75*|ppc75*|PowerPC75*)
1757
            add_cflags -mcpu=750 -mpowerpc-gfxopt
1758
            warn_altivec enabled PPC75x
1759
        ;;
1760
        G4|g4|745*|ppc745*|PowerPC745*)
1761
            add_cflags -mcpu=7450 -mpowerpc-gfxopt
1762
            warn_altivec disabled PPC745x
1763
        ;;
1764
        74*|ppc74*|PowerPC74*)
1765
            add_cflags -mcpu=7400 -mpowerpc-gfxopt
1766
            warn_altivec disabled PPC74xx
1767
        ;;
1768
        G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1769
            add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
1770
            warn_altivec disabled PPC970
1771
            enable ppc64
1772
        ;;
1773
        Cell|CELL|cell)
1774
            add_cflags -mcpu=cell
1775
            warn_altivec disabled Cell
1776
            enable ppc64
1777
        ;;
1778
        # targets that do NOT support conditional mov (cmov)
1779
        i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1780
            add_cflags -march=$cpu
1781
            disable cmov
1782
        ;;
1783
        # targets that do support conditional mov (cmov)
1784
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1785
            add_cflags -march=$cpu
1786
            enable cmov
1787
            enable fast_cmov
1788
        ;;
1789
        # targets that do support conditional mov but on which it's slow
1790
        pentium4|pentium4m|prescott|nocona)
1791
            add_cflags -march=$cpu
1792
            enable cmov
1793
            disable fast_cmov
1794
        ;;
1795
        sparc64)
1796
            add_cflags -mcpu=v9
1797
        ;;
1798
        arm11*|cortex*)
1799
            add_cflags -mcpu=$cpu
1800
            enable fast_unaligned
1801
        ;;
1802
        armv*)
1803
            add_cflags -march=$cpu
1804
        ;;
1805
        arm*)
1806
            add_cflags -mcpu=$cpu
1807
        ;;
1808
        ev4|ev45|ev5|ev56|pca56|ev6|ev67)
1809
            enabled ccc && add_cflags -arch $cpu || add_cflags -mcpu=$cpu
1810
        ;;
1811
        *)
1812
            echo "WARNING: Unknown CPU \"$cpu\", ignored."
1813
        ;;
1814
    esac
1815
fi
1816

    
1817
check_cc <<EOF || die "Symbol mangling check failed."
1818
int ff_extern;
1819
EOF
1820
sym=$($nm -P -g $TMPO | grep ff_extern)
1821
extern_prefix=${sym%%ff_extern*}
1822

    
1823
check_cc <<EOF && enable inline_asm
1824
void foo(void) { __asm__ volatile ("" ::); }
1825
EOF
1826

    
1827
if enabled x86; then
1828
    # check whether EBP is available on x86
1829
    # As 'i' is stored on the stack, this program will crash
1830
    # if the base pointer is used to access it because the
1831
    # base pointer is cleared in the inline assembly code.
1832
    check_exec_crash <<EOF && enable ebp_available
1833
    volatile int i=0;
1834
    __asm__ volatile (
1835
        "xorl %%ebp, %%ebp"
1836
    ::: "%ebp");
1837
    return i;
1838
EOF
1839

    
1840
    # check wether EBX is available on x86
1841
    check_asm ebx_available '"":::"%ebx"'
1842

    
1843
    # check whether more than 10 operands are supported
1844
    check_cc <<EOF && enable ten_operands
1845
int main(void) {
1846
    int x=0;
1847
    __asm__ volatile(
1848
        ""
1849
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
1850
    );
1851
    return 0;
1852
}
1853
EOF
1854

    
1855
    # check whether binutils is new enough to compile SSSE3/MMX2
1856
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1857
    enabled mmx2  && check_asm mmx2  '"movss %xmm0, %xmm0"'
1858

    
1859
    check_asm bswap '"bswap %%eax" ::: "%eax"'
1860

    
1861
    YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
1862
    enabled     x86_64        && append YASMFLAGS "-m amd64"
1863
    enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1864
    case "$objformat" in
1865
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1866
        macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
1867
        *)                    append YASMFLAGS "-DPREFIX"  ;;
1868
    esac
1869
    disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
1870
fi
1871

    
1872
# check for assembler specific support
1873

    
1874
enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
1875
enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
1876

    
1877
# check for SIMD availability
1878

    
1879
# AltiVec flags: The FSF version of GCC differs from the Apple version
1880
if enabled altivec; then
1881
    check_cflags -maltivec -mabi=altivec &&
1882
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1883
        check_cflags -faltivec
1884

    
1885
    # check if our compiler supports Motorola AltiVec C API
1886
    check_cc <<EOF || disable altivec
1887
$inc_altivec_h
1888
int main(void) {
1889
    vector signed int v1, v2, v3;
1890
    v1 = vec_add(v2,v3);
1891
    return 0;
1892
}
1893
EOF
1894

    
1895
    # check if our compiler supports braces for vector declarations
1896
    check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1897
$inc_altivec_h
1898
int main (void) { (vector int) {1}; return 0; }
1899
EOF
1900
fi
1901

    
1902
# We have to check if pld is a nop and disable it.
1903
enabled arm     && check_asm pld     '"pld [r0]"'
1904
enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1905
enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
1906
enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
1907
enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
1908
enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
1909
enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
1910
enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
1911
enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1912

    
1913
enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
1914

    
1915
# ---
1916
# big/little-endian test
1917
check_cc <<EOF || die "endian test failed"
1918
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1919
EOF
1920
od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1921

    
1922
# ---
1923
# check availability of some header files
1924

    
1925
if check_func dlopen; then
1926
    ldl=
1927
elif check_func dlopen -ldl; then
1928
    ldl=-ldl
1929
fi
1930

    
1931
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
1932
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
1933

    
1934
check_func  fork
1935
check_func  gethrtime
1936
check_func  getrusage
1937
check_func  inet_aton $network_extralibs
1938
check_func  memalign
1939
check_func  mkstemp
1940
check_func  posix_memalign
1941
check_func_headers io.h setmode
1942
check_func_headers windows.h GetProcessTimes
1943

    
1944
check_header conio.h
1945
check_header dlfcn.h
1946
check_header malloc.h
1947
check_header poll.h
1948
check_header sys/mman.h
1949
check_header sys/resource.h
1950
check_header sys/select.h
1951
check_header termios.h
1952
check_header vdpau/vdpau.h
1953
check_header vdpau/vdpau_x11.h
1954
check_header X11/extensions/XvMClib.h
1955

    
1956
if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
1957
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
1958
fi
1959

    
1960
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
1961
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1962

    
1963
# check for some common methods of building with pthread support
1964
# do this before the optional library checks as some of them require pthreads
1965
if enabled pthreads; then
1966
    if check_func pthread_create; then
1967
        :
1968
    elif check_func pthread_create -pthread; then
1969
        add_cflags -pthread
1970
        add_extralibs -pthread
1971
    elif check_func pthread_create -pthreads; then
1972
        add_cflags -pthreads
1973
        add_extralibs -pthreads
1974
    elif check_func pthread_create -lpthreadGC2; then
1975
        add_extralibs -lpthreadGC2
1976
    elif ! check_lib pthread.h pthread_create -lpthread; then
1977
        die "ERROR: can't find pthreads library"
1978
    fi
1979
fi
1980

    
1981
for thread in $THREADS_LIST; do
1982
    if enabled $thread; then
1983
        test -n "$thread_type" &&
1984
            die "ERROR: Only one thread type must be selected." ||
1985
            thread_type="$thread"
1986
    fi
1987
done
1988

    
1989
check_lib math.h sin -lm
1990

    
1991
# test for C99 functions in math.h
1992
for func in llrint lrint lrintf round roundf truncf; do
1993
    check_exec <<EOF && enable $func || disable $func
1994
#include <math.h>
1995
int main(void) { return ($func(3.999f) > 0)?0:1; }
1996
EOF
1997
done
1998

    
1999
# these are off by default, so fail if requested and not available
2000
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2001
enabled libamr_nb  && require  libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
2002
enabled libamr_wb  && require  libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
2003
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2004
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
2005
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
2006
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2007
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2008
enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
2009
enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2010
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2011
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2012
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2013
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2014
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2015
enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
2016
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2017
enabled libx264    && require  libx264 x264.h x264_encoder_open -lx264 -lm &&
2018
                      { check_cpp_condition x264.h "X264_BUILD >= 65" ||
2019
                        die "ERROR: libx264 version must be >= 0.65."; }
2020
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2021
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2022

    
2023
# libdc1394 check
2024
if enabled libdc1394; then
2025
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2026
        enable libdc1394_2; } ||
2027
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2028
        enable libdc1394_1; } ||
2029
    die "ERROR: No version of libdc1394 found "
2030
fi
2031

    
2032

    
2033
_restrict=
2034
for restrict_keyword in restrict __restrict__ __restrict; do
2035
    check_cc <<EOF && _restrict=$restrict_keyword && break
2036
void foo(char * $restrict_keyword p);
2037
EOF
2038
done
2039

    
2040
##########################################
2041
# SDL check
2042

    
2043
disable sdl_too_old
2044
disable sdl
2045
SDL_CONFIG="${cross_prefix}sdl-config"
2046
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2047
    sdl_cflags=`"${SDL_CONFIG}" --cflags`
2048
    temp_cflags $sdl_cflags
2049
    temp_extralibs `"${SDL_CONFIG}" --libs`
2050
    if check_lib2 SDL.h SDL_Init; then
2051
        _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
2052
        if test "$_sdlversion" -lt 121 ; then
2053
            enable sdl_too_old
2054
        else
2055
            enable sdl
2056
            check_cc $sdl_cflags <<EOF && enable sdl_video_size
2057
#include <SDL.h>
2058
int main(int argc, char **argv){
2059
    const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2060
    int w = vi->current_w;
2061
    return 0;
2062
}
2063
EOF
2064
        fi
2065
    fi
2066
    restore_flags
2067
fi
2068

    
2069
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2070

    
2071
##########################################
2072
# Network check
2073

    
2074
if enabled network; then
2075
    check_type "sys/types.h sys/socket.h" socklen_t
2076
    # Prefer arpa/inet.h over winsock2
2077
    if check_header arpa/inet.h ; then
2078
        check_func closesocket
2079
    elif check_header winsock2.h ; then
2080
        network_extralibs="-lws2_32"
2081
        check_type ws2tcpip.h socklen_t
2082
        check_func_headers winsock2.h closesocket
2083
    fi
2084
fi
2085

    
2086
##########################################
2087
# IPv6 check
2088

    
2089
enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
2090
#include <sys/types.h>
2091
#include <sys/socket.h>
2092
#include <netinet/in.h>
2093
#include <netdb.h>
2094
int main(void) {
2095
    struct sockaddr_storage saddr;
2096
    struct ipv6_mreq mreq6;
2097
    getaddrinfo(0,0,0,0);
2098
    getnameinfo(0,0,0,0,0,0,0);
2099
    IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2100
}
2101
EOF
2102

    
2103
check_header linux/videodev.h
2104
check_header linux/videodev2.h
2105
check_header sys/videoio.h
2106

    
2107
check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2108

    
2109
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2110
{ check_header dev/bktr/ioctl_meteor.h &&
2111
  check_header dev/bktr/ioctl_bt848.h; } ||
2112
{ check_header machine/ioctl_meteor.h &&
2113
  check_header machine/ioctl_bt848.h; } ||
2114
{ check_header dev/video/meteor/ioctl_meteor.h &&
2115
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2116
check_header dev/ic/bt8xx.h
2117

    
2118
check_header sys/soundcard.h
2119
check_header soundcard.h
2120

    
2121
check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2122

    
2123
# deal with the X11 frame grabber
2124
enabled x11grab                         &&
2125
check_header X11/Xlib.h                 &&
2126
check_header X11/extensions/XShm.h      &&
2127
check_func XOpenDisplay -lX11           &&
2128
check_func XShmCreateImage -lX11 -lXext
2129

    
2130
enabled debug && add_cflags -g"$debuglevel"
2131

    
2132
# add some useful compiler flags if supported
2133
check_cflags -Wdeclaration-after-statement
2134
check_cflags -Wall
2135
check_cflags -Wno-switch
2136
check_cflags -Wdisabled-optimization
2137
check_cflags -Wpointer-arith
2138
check_cflags -Wredundant-decls
2139
check_cflags -Wno-pointer-sign
2140
check_cflags -Wcast-qual
2141
check_cflags -Wwrite-strings
2142
check_cflags -Wtype-limits
2143
check_cflags -Wundef
2144
enabled extra_warnings && check_cflags -Winline
2145

    
2146
# add some linker flags
2147
check_ldflags -Wl,--warn-common
2148
check_ldflags -Wl,--as-needed
2149
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'
2150
check_ldflags -Wl,-Bsymbolic
2151

    
2152
if enabled small; then
2153
    check_cflags -Os            # not all compilers support -Os
2154
    optimizations="small"
2155
elif enabled optimizations; then
2156
    if enabled xlc; then
2157
        add_cflags  -O5
2158
        add_ldflags -O5
2159
    elif enabled ccc; then
2160
        add_cflags -fast
2161
    else
2162
        add_cflags -O3
2163
    fi
2164
fi
2165
check_cflags -fno-math-errno
2166
check_cflags -fno-signed-zeros
2167

    
2168
# add some flags for Intel C Compiler
2169
if enabled icc; then
2170
    # Just warnings, no remarks
2171
    check_cflags -w1
2172
    # -wd: Disable following warnings
2173
    # 144, 167, 556: -Wno-pointer-sign
2174
    # 10006: ignoring unknown option -fno-signed-zeros
2175
    # 10156: ignoring option '-W'; no argument required
2176
    check_cflags -wd144,167,556,10006,10156
2177
    # 11030: Warning unknown option --as-needed
2178
    # 10156: ignoring option '-export'; no argument required
2179
    check_ldflags -wd10156,11030
2180
    # Allow to compile with optimizations
2181
    check_ldflags -march=$cpu
2182
elif enabled ccc; then
2183
    # disable some annoying warnings
2184
    add_cflags -msg_disable cvtu32to64
2185
    add_cflags -msg_disable embedcomment
2186
    add_cflags -msg_disable needconstext
2187
    add_cflags -msg_disable nomainieee
2188
    add_cflags -msg_disable ptrmismatch1
2189
    add_cflags -msg_disable unreachcode
2190
fi
2191

    
2192
# PIC flags for shared library objects where they are needed
2193
if enabled shared; then
2194
    # LIBOBJFLAGS may have already been set in the OS configuration
2195
    if test -z "$LIBOBJFLAGS" ; then
2196
        case "${subarch-$arch}" in
2197
            x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2198
        esac
2199
    fi
2200
fi
2201

    
2202
if enabled gprof; then
2203
    add_cflags  -p
2204
    add_ldflags -p
2205
fi
2206

    
2207
# Find out if the .align argument is a power of two or not.
2208
check_asm asmalign_pot '".align 3"'
2209

    
2210
enabled_any $DECODER_LIST      && enable decoders
2211
enabled_any $ENCODER_LIST      && enable encoders
2212
enabled_any $BSF_LIST          && enable bsfs
2213
enabled_any $DEMUXER_LIST      && enable demuxers
2214
enabled_any $MUXER_LIST        && enable muxers
2215
enabled_any $FILTER_LIST       && enable filters
2216
enabled_any $INDEV_LIST        && enable demuxers
2217
enabled_any $OUTDEV_LIST       && enable muxers
2218
enabled_any $PROTOCOL_LIST     && enable protocols
2219

    
2220
enabled_any $THREADS_LIST      && enable threads
2221

    
2222
check_deps $CONFIG_LIST       \
2223
           $CONFIG_EXTRA      \
2224
           $HAVE_LIST         \
2225
           $DECODER_LIST      \
2226
           $ENCODER_LIST      \
2227
           $PARSER_LIST       \
2228
           $BSF_LIST          \
2229
           $DEMUXER_LIST      \
2230
           $MUXER_LIST        \
2231
           $FILTER_LIST       \
2232
           $INDEV_LIST        \
2233
           $OUTDEV_LIST       \
2234
           $PROTOCOL_LIST     \
2235

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

    
2323
for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
2324
    echo "Enabled ${type}s:"
2325
    eval list=\$$(toupper $type)_LIST
2326
    for part in $list; do
2327
        enabled $part && echo ${part%_*}
2328
    done | sort | pr -3 -t
2329
    echo
2330
done
2331

    
2332
license="LGPL"
2333
if enabled nonfree; then
2334
    license="unredistributable"
2335
elif enabled gpl; then
2336
    license="GPL"
2337
fi
2338

    
2339
echo "License: $license"
2340

    
2341
echo "Creating config.mak and config.h..."
2342

    
2343
echo "# Automatically generated by configure - do not modify!" > config.mak
2344
echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2345
echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2346
echo "#define FFMPEG_CONFIG_H" >> $TMPH
2347
echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2348
echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
2349

    
2350
echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2351
echo "prefix=$prefix" >> config.mak
2352
echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2353
echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2354
echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2355
echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2356
echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
2357
echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2358
echo "CC=$cc" >> config.mak
2359
echo "AS=$as" >> config.mak
2360
echo "YASM=$yasmexe" >> config.mak
2361
echo "AR=$ar" >> config.mak
2362
echo "RANLIB=$ranlib" >> config.mak
2363
echo "LN_S=$ln_s" >> config.mak
2364
enabled stripping &&
2365
    echo "STRIP=$strip" >> config.mak ||
2366
    echo "STRIP=echo ignoring strip" >> config.mak
2367

    
2368
echo "OPTFLAGS=$CFLAGS" >> config.mak
2369
echo "LDFLAGS=$LDFLAGS" >> config.mak
2370
echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2371
echo "SHFLAGS=$SHFLAGS" >> config.mak
2372
echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2373
echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2374
echo "BUILD_STATIC=$static" >> config.mak
2375
echo "BUILDSUF=$build_suffix" >> config.mak
2376
echo "FULLNAME=$FULLNAME" >> config.mak
2377
echo "LIBPREF=$LIBPREF" >> config.mak
2378
echo "LIBSUF=$LIBSUF" >> config.mak
2379
echo "LIBNAME=$LIBNAME" >> config.mak
2380
echo "SLIBPREF=$SLIBPREF" >> config.mak
2381
echo "SLIBSUF=$SLIBSUF" >> config.mak
2382
echo "EXESUF=$EXESUF" >> config.mak
2383
echo "EXTRA_VERSION=$extra_version" >> config.mak
2384
echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2385
echo "HOSTCC=$host_cc" >> config.mak
2386
echo "HOSTCFLAGS=$host_cflags" >> config.mak
2387
echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
2388
echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2389
echo "HOSTLIBS=$host_libs" >> config.mak
2390
echo "TARGET_EXEC=$target_exec" >> config.mak
2391
echo "TARGET_PATH=$target_path" >> config.mak
2392

    
2393
if enabled bigendian; then
2394
    echo "WORDS_BIGENDIAN=yes" >> config.mak
2395
    echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2396
fi
2397

    
2398
if enabled sdl; then
2399
    echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2400
    echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2401
fi
2402
if enabled texi2html; then
2403
    echo "BUILD_DOC=yes" >> config.mak
2404
fi
2405

    
2406
get_version(){
2407
    name=$1
2408
    file=$source_path/$2
2409
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2410
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2411
    lcname=$(tolower $name)
2412
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2413
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2414
}
2415

    
2416
get_version LIBSWSCALE  libswscale/swscale.h
2417
get_version LIBPOSTPROC libpostproc/postprocess.h
2418
get_version LIBAVCODEC  libavcodec/avcodec.h
2419
get_version LIBAVDEVICE libavdevice/avdevice.h
2420
get_version LIBAVFORMAT libavformat/avformat.h
2421
get_version LIBAVUTIL   libavutil/avutil.h
2422
get_version LIBAVFILTER libavfilter/avfilter.h
2423

    
2424
if enabled shared; then
2425
    echo "BUILD_SHARED=yes" >> config.mak
2426
    echo "PIC=-fPIC -DPIC" >> config.mak
2427
    echo "LIBTARGET=${LIBTARGET}" >> config.mak
2428
    echo "SLIBNAME=${SLIBNAME}" >> config.mak
2429
    echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2430
    echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2431
    echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2432
    echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2433
    echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2434
    echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2435
fi
2436
echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2437
echo "EXTRALIBS=$extralibs" >> config.mak
2438

    
2439
echo "ARCH=$arch" >> config.mak
2440

    
2441
print_config ARCH_   $TMPH config.mak $ARCH_LIST
2442
print_config HAVE_   $TMPH config.mak $HAVE_LIST
2443
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2444
                                      $CONFIG_EXTRA      \
2445
                                      $DECODER_LIST      \
2446
                                      $ENCODER_LIST      \
2447
                                      $PARSER_LIST       \
2448
                                      $BSF_LIST          \
2449
                                      $DEMUXER_LIST      \
2450
                                      $MUXER_LIST        \
2451
                                      $FILTER_LIST       \
2452
                                      $PROTOCOL_LIST     \
2453
                                      $INDEV_LIST        \
2454
                                      $OUTDEV_LIST       \
2455

    
2456
echo "#define restrict $_restrict" >> $TMPH
2457

    
2458
if enabled small; then
2459
    echo "#define av_always_inline"  >> $TMPH
2460
fi
2461

    
2462
echo "SRC_PATH=\"$source_path\"" >> config.mak
2463
echo "SRC_PATH_BARE=$source_path" >> config.mak
2464
echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2465

    
2466
# Apparently it's not possible to portably echo a backslash.
2467
enabled asmalign_pot &&
2468
    printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2469
    printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2470

    
2471
echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2472

    
2473
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2474

    
2475
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2476
cmp -s $TMPH config.h &&
2477
    echo "config.h is unchanged" ||
2478
    mv -f $TMPH config.h
2479

    
2480
# build tree in object directory if source path is different from current one
2481
if enabled source_path_used; then
2482
    DIRS="\
2483
        doc               \
2484
        libavcodec        \
2485
        libavcodec/alpha  \
2486
        libavcodec/arm    \
2487
        libavcodec/bfin   \
2488
        libavcodec/mlib   \
2489
        libavcodec/ppc    \
2490
        libavcodec/sh4    \
2491
        libavcodec/sparc  \
2492
        libavcodec/x86    \
2493
        libavdevice       \
2494
        libavfilter       \
2495
        libavformat       \
2496
        libavutil         \
2497
        libpostproc       \
2498
        libswscale        \
2499
        tests             \
2500
        tools             \
2501
        "
2502
    FILES="\
2503
        Makefile             \
2504
        common.mak           \
2505
        subdir.mak           \
2506
        doc/texi2pod.pl      \
2507
        libavcodec/Makefile  \
2508
        libavdevice/Makefile \
2509
        libavfilter/Makefile \
2510
        libavformat/Makefile \
2511
        libavutil/Makefile   \
2512
        libpostproc/Makefile \
2513
        libswscale/Makefile  \
2514
        "
2515
    for dir in $DIRS ; do
2516
        mkdir -p $dir
2517
    done
2518
    for f in $FILES ; do
2519
        $ln_s "$source_path/$f" $f
2520
    done
2521
fi
2522

    
2523

    
2524
# build pkg-config files
2525

    
2526
pkgconfig_generate(){
2527
name=$1
2528
shortname=${name#lib}${build_suffix}
2529
comment=$2
2530
version=$3
2531
libs=$4
2532
requires=$5
2533
cat <<EOF > $name/$name.pc
2534
prefix=$prefix
2535
exec_prefix=\${prefix}
2536
libdir=$libdir
2537
includedir=$incdir
2538

    
2539
Name: $name
2540
Description: $comment
2541
Version: $version
2542
Requires: $(disabled shared && echo $requires)
2543
Requires.private: $(enabled shared && echo $requires)
2544
Conflicts:
2545
Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2546
Libs.private: $(enabled shared && echo $libs)
2547
Cflags: -I\${includedir}
2548
EOF
2549
cat <<EOF > $name/$name-uninstalled.pc
2550
prefix=
2551
exec_prefix=
2552
libdir=\${pcfiledir}
2553
includedir=${source_path}
2554

    
2555
Name: $name
2556
Description: $comment
2557
Version: $version
2558
Requires: $requires
2559
Conflicts:
2560
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2561
Cflags: -I\${includedir}
2562
EOF
2563
}
2564

    
2565
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2566
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2567
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2568
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2569
enabled avfilter &&
2570
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2571
enabled postproc &&
2572
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2573
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"