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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 "  --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 "  --enable-static          build static libraries [default=yes]"
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  echo "  --disable-static         do not build static libraries [default=no]"
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  echo "  --enable-shared          build shared libraries [default=no]"
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  echo "  --disable-shared         do not build shared libraries [default=yes]"
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  echo "  --enable-gpl             allow use of GPL code, the resulting libav*"
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  echo "                           and ffmpeg will be under GPL [default=no]"
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  echo "  --enable-nonfree         allow use of nonfree code, the resulting libav*"
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  echo "                           and ffmpeg will be unredistributable [default=no]"
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  echo "  --enable-postproc        enable GPLed postprocessing support [default=no]"
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  echo "  --enable-swscale         software scaler support [default=no]"
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  echo "  --enable-avfilter        video filter support (replaces vhook) [default=no]"
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  echo "  --enable-avfilter-lavf   video filters dependant on avformat [default=no]"
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  echo "  --enable-beosthreads     use BeOS threads [default=no]"
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  echo "  --enable-os2threads      use OS/2 threads [default=no]"
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  echo "  --enable-pthreads        use pthreads [default=no]"
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  echo "  --enable-w32threads      use Win32 threads [default=no]"
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  echo "  --enable-x11grab         enable X11 grabbing [default=no]"
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  echo
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  echo "External library support:"
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  echo "  --enable-mlib            use Sun medialib [default=no]"
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  echo "  --enable-avisynth        allow reading AVISynth script files [default=no]"
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  echo "  --enable-libamr-nb       enable libamr-nb floating point audio codec"
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  echo "  --enable-libamr-wb       enable libamr-wb floating point audio codec"
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  echo "  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394"
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  echo "                           and libraw1394 [default=no]"
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  echo "  --enable-libdirac        enable Dirac support via libdirac [default=no]"
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  echo "  --enable-libfaac         enable FAAC support via libfaac [default=no]"
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  echo "  --enable-libfaad         enable FAAD support via libfaad [default=no]"
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  echo "  --enable-libfaadbin      open libfaad.so.0 at runtime [default=no]"
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  echo "  --enable-libgsm          enable GSM support via libgsm [default=no]"
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  echo "  --enable-libmp3lame      enable MP3 encoding via libmp3lame [default=no]"
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  echo "  --enable-libnut          enable NUT (de)muxing via libnut,"
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  echo "                           native demuxer exists [default=no]"
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  echo "  --enable-libschroedinger enable Dirac support via libschroedinger [default=no]"
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  echo "  --enable-libtheora       enable Theora encoding via libtheora [default=no]"
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  echo "  --enable-libvorbis       enable Vorbis encoding via libvorbis,"
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  echo "                           native implementation exists [default=no]"
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  echo "  --enable-libx264         enable H.264 encoding via x264 [default=no]"
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  echo "  --enable-libxvid         enable Xvid encoding via xvidcore,"
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  echo "                           native MPEG-4/Xvid encoder exists [default=no]"
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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 [$cross_prefix]"
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  echo "  --enable-cross-compile   assume a cross-compiler is used"
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  echo "  --target-os=OS           compiler targets OS [$target_os]"
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  echo "  --cc=CC                  use C compiler CC [$cc]"
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  echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$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    suffix for application specific build []"
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  echo "  --arch=ARCH              select architecture  [$arch]"
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  echo "  --cpu=CPU                selects the minimum cpu required (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-mmx            disable MMX usage"
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  echo "  --disable-mmx2           disable MMX2 usage"
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  echo "  --disable-ssse3          disable SSSE3 usage"
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  echo "  --disable-armv5te        disable armv5te usage"
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  echo "  --disable-armv6          disable armv6 usage"
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  echo "  --disable-armvfp         disable ARM VFP usage"
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  echo "  --disable-iwmmxt         disable iwmmxt usage"
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  echo "  --disable-altivec        disable AltiVec usage"
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  echo "  --disable-network        disable network support [default=no]"
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  echo "  --disable-ipv6           disable ipv6 support [default=no]"
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  echo "  --disable-zlib           disable zlib [default=no]"
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  echo "  --disable-bzlib          disable bzlib [default=no]"
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  echo "  --disable-vhook          disable video hooking support"
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  echo "  --disable-mpegaudio-hp   faster (but less accurate)"
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  echo "                           MPEG audio decoding [default=no]"
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  echo "  --enable-gray            enable full grayscale support (slower color)"
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  echo "  --disable-ffmpeg         disable ffmpeg build"
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  echo "  --disable-ffserver       disable ffserver build"
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  echo "  --disable-ffplay         disable ffplay build"
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  echo "  --enable-small           optimize for size instead of speed"
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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 "  --disable-encoder=NAME   disables encoder NAME"
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  echo "  --enable-encoder=NAME    enables encoder NAME"
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  echo "  --disable-decoder=NAME   disables decoder NAME"
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  echo "  --enable-decoder=NAME    enables decoder NAME"
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  echo "  --disable-encoders       disables all encoders"
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  echo "  --disable-decoders       disables all decoders"
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  echo "  --disable-muxer=NAME     disables muxer NAME"
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  echo "  --enable-muxer=NAME      enables muxer NAME"
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  echo "  --disable-muxers         disables all muxers"
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  echo "  --disable-demuxer=NAME   disables demuxer NAME"
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  echo "  --enable-demuxer=NAME    enables demuxer NAME"
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  echo "  --disable-demuxers       disables all demuxers"
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  echo "  --enable-parser=NAME     enables parser NAME"
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  echo "  --disable-parser=NAME    disables parser NAME"
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  echo "  --disable-parsers        disables all parsers"
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  echo "  --enable-bsf=NAME        enables bitstream filter NAME"
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  echo "  --disable-bsf=NAME       disables bitstream filter NAME"
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  echo "  --disable-bsfs           disables all bitstream filters"
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  echo "  --enable-protocol=NAME   enables protocol NAME"
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  echo "  --disable-protocol=NAME  disables protocol NAME"
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  echo "  --disable-protocols      disables all protocols"
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  echo "  --disable-devices        disables all devices"
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  echo "  --enable-filter=NAME     enables filter NAME"
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  echo "  --disable-filter=NAME    disables filter NAME"
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  echo "  --disable-filters        disables 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 "Developer options (useful when working on FFmpeg itself):"
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  echo "  --disable-debug          disable debugging symbols"
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  echo "  --enable-debug=LEVEL     set the debug level [$debuglevel]"
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  echo "  --enable-gprof           enable profiling with gprof [$gprof]"
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  echo "  --disable-optimizations  disable compiler optimizations"
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  echo "  --enable-extra-warnings  enable more compiler warnings"
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  echo "  --disable-stripping      disable stripping of executables and shared libraries"
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  echo ""
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  echo "NOTE: Object files are built at the place where configure is launched."
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  exit 0
196
}
197

    
198
log(){
199
    echo "$@" >> $logfile
200
}
201

    
202
log_file(){
203
    log BEGIN $1
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    pr -n -t $1 >> $logfile
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    log END $1
206
}
207

    
208
echolog(){
209
    log "$@"
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    echo "$@"
211
}
212

    
213
die(){
214
    echolog "$@"
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    cat <<EOF
216
If you think configure made a mistake, make sure you are using the latest
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version from SVN.  If the latest version fails, report the problem to the
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ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
219
EOF
220
    if disabled logging; then
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        cat <<EOF
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Rerun configure with logging enabled (do not use --disable-logging), and
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include the log this produces with your report.
224
EOF
225
    else
226
cat <<EOF
227
Include the log file "$logfile" produced by configure as this will help
228
solving the problem.
229
EOF
230
    fi
231
    rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
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    exit 1
233
}
234

    
235
# Avoid locale weirdness, besides we really just want to translate ASCII.
236
toupper(){
237
    echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
238
}
239

    
240
tolower(){
241
    echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
242
}
243

    
244
set_all(){
245
    value=$1
246
    shift
247
    for var in $*; do
248
        eval $var=$value
249
    done
250
}
251

    
252
pushvar(){
253
    for var in $*; do
254
        eval level=\${${var}_level:=0}
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        eval ${var}_${level}="\$$var"
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        eval ${var}_level=$(($level+1))
257
    done
258
}
259

    
260
popvar(){
261
    for var in $*; do
262
        eval level=\${${var}_level:-0}
263
        test $level = 0 && continue
264
        eval level=$(($level-1))
265
        eval $var="\${${var}_${level}}"
266
        eval ${var}_level=$level
267
        eval unset ${var}_${level}
268
    done
269
}
270

    
271
enable(){
272
    set_all yes $*
273
}
274

    
275
disable(){
276
    set_all no $*
277
}
278

    
279
enabled(){
280
    test "${1#!}" = "$1" && op== || op=!=
281
    eval test "x\$${1#!}" $op "xyes"
282
}
283

    
284
disabled(){
285
    test "${1#!}" = "$1" && op== || op=!=
286
    eval test "x\$${1#!}" $op "xno"
287
}
288

    
289
enabled_all(){
290
    for opt; do
291
        enabled $opt || return 1
292
    done
293
}
294

    
295
disabled_all(){
296
    for opt; do
297
        disabled $opt || return 1
298
    done
299
}
300

    
301
enabled_any(){
302
    for opt; do
303
        enabled $opt && return 0
304
    done
305
}
306

    
307
disabled_any(){
308
    for opt; do
309
        disabled $opt && return 0
310
    done
311
}
312

    
313
set_default(){
314
    for opt; do
315
        eval test -z "\$$opt" && eval $opt=\$${opt}_default
316
    done
317
}
318

    
319
is_in(){
320
    value=$1
321
    shift
322
    for var in $*; do
323
        [ $var = $value ] && return 0
324
    done
325
    return 1
326
}
327

    
328
check_deps(){
329
    for cfg; do
330
        cfg="${cfg#!}"
331
        enabled ${cfg}_checking && die "Circular dependency for $cfg."
332
        disabled ${cfg}_checking && continue
333
        enable ${cfg}_checking
334

    
335
        eval dep_all="\$${cfg}_deps"
336
        eval dep_any="\$${cfg}_deps_any"
337

    
338
        pushvar cfg dep_all dep_any
339
        check_deps $dep_all $dep_any
340
        popvar cfg dep_all dep_any
341

    
342
        enabled_all $dep_all || disable $cfg
343
        enabled_any $dep_any || disable $cfg
344

    
345
        if enabled $cfg; then
346
            eval dep_extralibs="\$${cfg}_extralibs"
347
            test -n "$dep_extralibs" && add_extralibs $dep_extralibs
348
        fi
349

    
350
        disable ${cfg}_checking
351
    done
352
}
353

    
354
print_config(){
355
    pfx=$1
356
    header=$2
357
    makefile=$3
358
    shift 3
359
    for cfg; do
360
        ucname="`toupper $cfg`"
361
        if enabled $cfg; then
362
            echo "#define ${pfx}${ucname} 1" >> $header
363
            echo "#define ENABLE_${ucname} 1" >> $header
364
            echo "${pfx}${ucname}=yes" >> $makefile
365
        else
366
            echo "#define ENABLE_${ucname} 0" >> $header
367
        fi
368
    done
369
}
370

    
371
flags_saved(){
372
    (: ${SAVE_CFLAGS?}) 2> /dev/null
373
}
374

    
375
save_flags(){
376
    flags_saved && return
377
    SAVE_CFLAGS="$CFLAGS"
378
    SAVE_LDFLAGS="$LDFLAGS"
379
    SAVE_extralibs="$extralibs"
380
}
381

    
382
restore_flags(){
383
    flags_saved || return
384
    CFLAGS="$SAVE_CFLAGS"
385
    LDFLAGS="$SAVE_LDFLAGS"
386
    extralibs="$SAVE_extralibs"
387
    unset SAVE_CFLAGS
388
    unset SAVE_LDFLAGS
389
    unset SAVE_extralibs
390
}
391

    
392
temp_cflags(){
393
    save_flags
394
    CFLAGS="$CFLAGS $*"
395
}
396

    
397
temp_ldflags(){
398
    save_flags
399
    LDFLAGS="$LDFLAGS $*"
400
}
401

    
402
temp_extralibs(){
403
    save_flags
404
    extralibs="$extralibs $*"
405
}
406

    
407
append(){
408
    var=$1
409
    shift
410
    flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
411
    eval "$var=\"\$$var $*\""
412
}
413

    
414
add_cflags(){
415
    append CFLAGS "$@"
416
}
417

    
418
add_ldflags(){
419
    append LDFLAGS "$@"
420
}
421

    
422
add_extralibs(){
423
    append extralibs "$@"
424
}
425

    
426
check_cmd(){
427
    log "$@"
428
    "$@" >> $logfile 2>&1
429
}
430

    
431
check_cc(){
432
    log check_cc "$@"
433
    cat > $TMPC
434
    log_file $TMPC
435
    check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
436
}
437

    
438
check_cpp(){
439
    log check_cpp "$@"
440
    cat > $TMPC
441
    log_file $TMPC
442
    check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
443
}
444

    
445
check_asm(){
446
    log check_asm "$@"
447
    name="$1"
448
    asm="$2"
449
    shift 2
450
    check_cc "$@" <<EOF && enable $name || disable $name
451
int foo(void){ asm volatile($asm); }
452
EOF
453
}
454

    
455
check_yasm(){
456
    log check_yasm "$@"
457
    echo "$1" > $TMPS
458
    log_file $TMPS
459
    shift 1
460
    check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
461
}
462

    
463
check_ld(){
464
    log check_ld "$@"
465
    check_cc || return
466
    flags=''
467
    libs=''
468
    for f; do
469
        test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
470
    done
471
    check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
472
}
473

    
474
check_cflags(){
475
    log check_cflags "$@"
476
    check_cc "$@" <<EOF && add_cflags "$@"
477
int x;
478
EOF
479
}
480

    
481
check_ldflags(){
482
    log check_ldflags "$@"
483
    check_ld "$@" <<EOF && add_ldflags "$@"
484
int main(void){ return 0; }
485
EOF
486
}
487

    
488
check_header(){
489
    log check_header "$@"
490
    header=$1
491
    shift
492
    var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
493
    disable $var
494
    check_cpp "$@" <<EOF && enable $var
495
#include <$header>
496
int x;
497
EOF
498
}
499

    
500
check_func(){
501
    log check_func "$@"
502
    func=$1
503
    shift
504
    disable $func
505
    check_ld "$@" <<EOF && enable $func
506
extern int $func();
507
int main(void){ $func(); }
508
EOF
509
}
510

    
511
check_func_headers(){
512
    log check_func_headers "$@"
513
    headers=$1
514
    func=$2
515
    shift 2
516
    disable $func
517
    incs=""
518
    for hdr in $headers; do
519
        incs="$incs
520
#include <$hdr>"
521
    done
522
    check_ld "$@" <<EOF && enable $func
523
$incs
524
int main(int argc, char **argv){
525
    (void) $func;
526
    return 0;
527
}
528
EOF
529
}
530

    
531
check_cpp_condition(){
532
    log check_cpp_condition "$@"
533
    header=$1
534
    condition=$2
535
    check_cpp <<EOF
536
#include <$header>
537
#if !($condition)
538
#error "unsatisfied condition: $condition"
539
#endif
540
EOF
541
}
542

    
543
check_lib(){
544
    log check_lib "$@"
545
    header="$1"
546
    func="$2"
547
    shift 2
548
    temp_extralibs "$@"
549
    check_header $header && check_func $func && add_extralibs "$@"
550
    err=$?
551
    restore_flags
552
    return $err
553
}
554

    
555
check_lib2(){
556
    log check_lib2 "$@"
557
    headers="$1"
558
    func="$2"
559
    shift 2
560
    temp_extralibs "$@"
561
    check_func_headers "$headers" $func && add_extralibs "$@"
562
    err=$?
563
    restore_flags
564
    return $err
565
}
566

    
567
check_exec(){
568
    check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
569
}
570

    
571
check_exec_crash(){
572
    code=`cat`
573

    
574
    # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
575
    # are safe but may not be available everywhere.  Thus we use
576
    # raise(SIGTERM) instead.  The check is run in a subshell so we
577
    # can redirect the "Terminated" message from the shell.  SIGBUS
578
    # is not defined by standard C so it is used conditionally.
579

    
580
    (check_exec "$@") >> $logfile 2>&1 <<EOF
581
#include <signal.h>
582
static void sighandler(int sig){
583
    raise(SIGTERM);
584
}
585
int main(void){
586
    signal(SIGILL, sighandler);
587
    signal(SIGFPE, sighandler);
588
    signal(SIGSEGV, sighandler);
589
#ifdef SIGBUS
590
    signal(SIGBUS, sighandler);
591
#endif
592
    { $code }
593
}
594
EOF
595
}
596

    
597
check_type(){
598
    log check_type "$@"
599
    headers=$1
600
    type=$2
601
    shift 2
602
    disable $type
603
    incs=""
604
    for hdr in $headers; do
605
        incs="$incs
606
#include <$hdr>"
607
    done
608
    check_cc "$@" <<EOF && enable $type
609
$incs
610
$type v;
611
EOF
612
}
613

    
614
require(){
615
    name="$1"
616
    header="$2"
617
    func="$3"
618
    shift 3
619
    check_lib $header $func "$@" || die "ERROR: $name not found"
620
}
621

    
622
require2(){
623
    name="$1"
624
    headers="$2"
625
    func="$3"
626
    shift 3
627
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
628
}
629

    
630
require_cpp_condition(){
631
    name="$1"
632
    header="$2"
633
    cpp_condition="$3"
634
    shift 3
635
    check_cpp_condition $header "$cpp_condition" || die "ERROR: $name does not satisfy CPP condition: $cpp_condition"
636
}
637

    
638
check_foo_config(){
639
    cfg=$1
640
    pkg=$2
641
    header=$3
642
    func=$4
643
    shift 4
644
    disable $cfg
645
    check_cmd ${pkg}-config --version
646
    err=$?
647
    if test "$err" = 0; then
648
        temp_cflags `${pkg}-config --cflags`
649
        temp_extralibs `${pkg}-config --libs`
650
        check_lib "$@" $header $func && enable $cfg
651
    fi
652
    return $err
653
}
654

    
655
apply(){
656
    file=$1
657
    shift
658
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
659
}
660

    
661
# CONFIG_LIST contains configurable options, while HAVE_LIST is for
662
# system-dependent things.
663

    
664
COMPONENT_LIST="
665
    bsfs
666
    decoders
667
    demuxers
668
    encoders
669
    filters
670
    indevs
671
    muxers
672
    outdevs
673
    parsers
674
    protocols
675
"
676

    
677
CONFIG_LIST="
678
    $COMPONENT_LIST
679
    avfilter
680
    avfilter_lavf
681
    avisynth
682
    beos_netserver
683
    bzlib
684
    ffmpeg
685
    ffplay
686
    ffserver
687
    gpl
688
    gprof
689
    gray
690
    hardcoded_tables
691
    ipv6
692
    libamr_nb
693
    libamr_wb
694
    libdc1394
695
    libdirac
696
    libfaac
697
    libfaad
698
    libfaadbin
699
    libgsm
700
    libmp3lame
701
    libnut
702
    libschroedinger
703
    libtheora
704
    libvorbis
705
    libx264
706
    libxvid
707
    memalign_hack
708
    mlib
709
    mpegaudio_hp
710
    network
711
    nonfree
712
    postproc
713
    powerpc_perf
714
    small
715
    swscale
716
    vhook
717
    x11grab
718
    zlib
719
"
720

    
721
THREADS_LIST='
722
    beosthreads
723
    os2threads
724
    pthreads
725
    w32threads
726
'
727

    
728
ARCH_LIST='
729
    alpha
730
    armv4l
731
    bfin
732
    ia64
733
    m68k
734
    mips
735
    parisc
736
    powerpc
737
    s390
738
    sh4
739
    sparc
740
    sparc64
741
    x86
742
    x86_32
743
    x86_64
744
'
745

    
746
ARCH_EXT_LIST='
747
    altivec
748
    armv5te
749
    armv6
750
    armvfp
751
    iwmmxt
752
    mmi
753
    mmx
754
    mmx2
755
    neon
756
    ssse3
757
    vis
758
'
759

    
760
HAVE_LIST="
761
    $ARCH_EXT_LIST
762
    $THREADS_LIST
763
    altivec_h
764
    arpa_inet_h
765
    bswap
766
    closesocket
767
    cmov
768
    conio_h
769
    dcbzl
770
    dev_bktr_ioctl_bt848_h
771
    dev_bktr_ioctl_meteor_h
772
    dev_ic_bt8xx_h
773
    dev_video_meteor_ioctl_meteor_h
774
    dev_video_bktr_ioctl_bt848_h
775
    dlfcn_h
776
    dlopen
777
    dos_paths
778
    ebp_available
779
    ebx_available
780
    fast_64bit
781
    fast_cmov
782
    fast_unaligned
783
    fork
784
    freetype2
785
    gethrtime
786
    GetProcessTimes
787
    getrusage
788
    imlib2
789
    inet_aton
790
    inline_asm
791
    libdc1394_1
792
    libdc1394_2
793
    llrint
794
    lrint
795
    lrintf
796
    machine_ioctl_bt848_h
797
    machine_ioctl_meteor_h
798
    malloc_h
799
    memalign
800
    mkstemp
801
    pld
802
    ppc64
803
    round
804
    roundf
805
    sdl
806
    sdl_video_size
807
    socklen_t
808
    soundcard_h
809
    poll_h
810
    sys_mman_h
811
    sys_resource_h
812
    sys_select_h
813
    sys_soundcard_h
814
    sys_videoio_h
815
    termios_h
816
    threads
817
    winsock2_h
818
    yasm
819
"
820

    
821
CMDLINE_SELECT="
822
    $ARCH_EXT_LIST
823
    $CONFIG_LIST
824
    $THREADS_LIST
825
    cross_compile
826
    debug
827
    extra_warnings
828
    logging
829
    optimizations
830
    shared
831
    static
832
    stripping
833
"
834

    
835
PATHS_LIST='
836
    bindir
837
    incdir
838
    libdir
839
    mandir
840
    prefix
841
    shlibdir
842
'
843

    
844
CMDLINE_SET="
845
    $PATHS_LIST
846
    arch
847
    build_suffix
848
    cc
849
    cpu
850
    cross_prefix
851
    extra_version
852
    logfile
853
    source_path
854
    target_os
855
"
856

    
857
# code dependency declarations
858

    
859
# architecture extensions
860
altivec_deps="powerpc"
861
armv5te_deps="armv4l"
862
armv6_deps="armv4l"
863
armvfp_deps="armv4l"
864
iwmmxt_deps="armv4l"
865
mmi_deps="mips"
866
mmx_deps="x86"
867
mmx2_deps="x86 mmx"
868
neon_deps="armv4l"
869
ssse3_deps="x86"
870
vis_deps="sparc"
871

    
872
# decoders / encoders
873
ac3_decoder_deps="gpl"
874
dxa_decoder_deps="zlib"
875
eac3_decoder_deps="gpl"
876
flashsv_decoder_deps="zlib"
877
flashsv_encoder_deps="zlib"
878
mlp_decoder_deps="mlp_parser"
879
mpeg_xvmc_decoder_deps="xvmc"
880
png_decoder_deps="zlib"
881
png_encoder_deps="zlib"
882
zmbv_decoder_deps="zlib"
883
zmbv_encoder_deps="zlib"
884

    
885
# external libraries
886
libamr_nb_decoder_deps="libamr_nb"
887
libamr_nb_encoder_deps="libamr_nb"
888
libamr_wb_decoder_deps="libamr_wb"
889
libamr_wb_encoder_deps="libamr_wb"
890
libdirac_decoder_deps="libdirac !libschroedinger"
891
libdirac_encoder_deps="libdirac"
892
libfaac_encoder_deps="libfaac"
893
libfaad_decoder_deps="libfaad"
894
libfaadbin_decoder_extralibs='$ldl'
895
libgsm_decoder_deps="libgsm"
896
libgsm_encoder_deps="libgsm"
897
libgsm_ms_decoder_deps="libgsm"
898
libgsm_ms_encoder_deps="libgsm"
899
libmp3lame_encoder_deps="libmp3lame"
900
libschroedinger_decoder_deps="libschroedinger"
901
libschroedinger_encoder_deps="libschroedinger"
902
libtheora_encoder_deps="libtheora"
903
libvorbis_encoder_deps="libvorbis"
904
libx264_encoder_deps="libx264"
905
libxvid_encoder_deps="libxvid"
906
mpeg4aac_decoder_deps="libfaad"
907

    
908
# demuxers / muxers
909
ac3_demuxer_deps="ac3_parser"
910
audio_beos_demuxer_deps="audio_beos"
911
audio_beos_demuxer_extralibs="-lmedia -lbe"
912
audio_beos_muxer_deps="audio_beos"
913
audio_beos_muxer_extralibs="-lmedia -lbe"
914
avisynth_demuxer_deps="avisynth"
915
bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
916
dirac_demuxer_deps="dirac_parser"
917
dv1394_demuxer_deps="dv1394 dv_demuxer"
918
libdc1394_demuxer_deps="libdc1394"
919
libnut_demuxer_deps="libnut"
920
libnut_muxer_deps="libnut"
921
mp3_demuxer_deps="mpegaudio_parser"
922
oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
923
oss_muxer_deps_any="soundcard_h sys_soundcard_h"
924
redir_demuxer_deps="network"
925
rtp_muxer_deps="network rtp_protocol"
926
rtsp_demuxer_deps="sdp_demuxer"
927
sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
928
v4l_demuxer_deps="linux_videodev_h"
929
v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
930
vfwcap_demuxer_deps="capCreateCaptureWindow"
931
vfwcap_demuxer_extralibs="-lvfw32"
932
x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
933
x11_grab_device_demuxer_extralibs="-lX11 -lXext"
934

    
935
# protocols
936
http_protocol_deps="network"
937
rtp_protocol_deps="udp_protocol"
938
tcp_protocol_deps="network"
939
udp_protocol_deps="network"
940

    
941
# filters
942
movie_filter_deps="avfilter_lavf"
943

    
944
# programs
945
ffplay_deps="sdl"
946
ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
947
ffserver_extralibs='$ldl'
948
vhook_extralibs='$ldl'
949

    
950

    
951
# default parameters
952

    
953
logfile="config.err"
954

    
955
# installation paths
956
prefix_default="/usr/local"
957
bindir_default='${prefix}/bin'
958
incdir_default='${prefix}/include'
959
libdir_default='${prefix}/lib'
960
mandir_default='${prefix}/share/man'
961
shlibdir_default="$libdir_default"
962

    
963
# toolchain
964
cc="gcc"
965
yasmexe="yasm"
966
ar="ar"
967
nm="nm"
968
ranlib="ranlib"
969
strip="strip"
970
asmalign_pot="unknown"
971
ln_s="ln -sf"
972
objformat="elf"
973

    
974
# machine
975
arch=`uname -m`
976
cpu="generic"
977

    
978
# OS
979
target_os=$(tolower $(uname -s))
980

    
981
# libraries
982
enable bzlib
983
enable zlib
984

    
985
# configurable options
986
enable debug
987
enable ffmpeg
988
enable ffplay
989
enable ffserver
990
enable ipv6
991
enable mpegaudio_hp
992
enable network
993
enable optimizations
994
enable protocols
995
enable static
996
enable stripping
997
vhook="default"
998

    
999
# build settings
1000
add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1001
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1002
VHOOKSHFLAGS='$(SHFLAGS)'
1003
FFSERVERLDFLAGS=-Wl,-E
1004
LIBPREF="lib"
1005
LIBSUF=".a"
1006
FULLNAME='$(NAME)$(BUILDSUF)'
1007
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1008
SLIBPREF="lib"
1009
SLIBSUF=".so"
1010
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1011
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1012
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1013
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1014

    
1015
# gcc stupidly only outputs the basename of targets with -MM
1016
DEPEND_CMD='$(CC) $(CFLAGS) -MM -MG $< | sed -e "/^\#.*/d" -e "1s,^,$(@D)/," -e "s,\\([[:space:]]\\)\\(version\\.h\\),\\1\$$(BUILD_ROOT_REL)/\\2,"'
1017

    
1018
# find source path
1019
source_path="`dirname \"$0\"`"
1020
enable source_path_used
1021
if test -z "$source_path" -o "$source_path" = "." ; then
1022
    source_path="`pwd`"
1023
    disable source_path_used
1024
else
1025
    source_path="`cd \"$source_path\"; pwd`"
1026
    echo "$source_path" | grep -q '[[:blank:]]' &&
1027
        die "Out of tree builds are impossible with whitespace in source path."
1028
fi
1029

    
1030
FFMPEG_CONFIGURATION="$@"
1031

    
1032
find_things(){
1033
    thing=$1
1034
    pattern=$2
1035
    file=$source_path/$3
1036
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1037
}
1038

    
1039
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1040
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1041
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1042
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1043
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1044
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1045
OUTDEV_LIST=$(find_things   muxer    _MUX     libavdevice/alldevices.c)
1046
INDEV_LIST=$(find_things    demuxer  DEMUX    libavdevice/alldevices.c)
1047
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1048
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1049

    
1050
enable $ARCH_EXT_LIST \
1051
       $DECODER_LIST \
1052
       $ENCODER_LIST \
1053
       $PARSER_LIST \
1054
       $BSF_LIST \
1055
       $DEMUXER_LIST \
1056
       $MUXER_LIST \
1057
       $FILTER_LIST \
1058
       $PROTOCOL_LIST \
1059
       $INDEV_LIST \
1060
       $OUTDEV_LIST \
1061

    
1062
die_unknown(){
1063
    echo "Unknown option \"$1\"."
1064
    echo "See $0 --help for available options."
1065
    exit 1
1066
}
1067

    
1068
show_list() {
1069
    suffix=_$1
1070
    shift
1071
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1072
    exit 0
1073
}
1074

    
1075
for opt do
1076
    optval="${opt#*=}"
1077
    case "$opt" in
1078
    --extra-cflags=*) add_cflags "$optval"
1079
    ;;
1080
    --extra-ldflags=*) add_ldflags "$optval"
1081
    ;;
1082
    --extra-libs=*) add_extralibs "$optval"
1083
    ;;
1084
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1085
    ;;
1086
    --enable-debug=*) debuglevel="$optval"
1087
    ;;
1088
    --enable-*=*|--disable-*=*)
1089
    eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1090
    case "$thing" in
1091
        encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1092
        *) die_unknown "$opt" ;;
1093
    esac
1094
    ;;
1095
    --enable-?*|--disable-?*)
1096
    eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1097
    if is_in $option $COMPONENT_LIST; then
1098
        eval $action \$$(toupper ${option%s})_LIST
1099
    elif is_in $option $CMDLINE_SELECT; then
1100
        $action $option
1101
    else
1102
        die_unknown $opt
1103
    fi
1104
    ;;
1105
    --list-*)
1106
        NAME="${opt#--list-}"
1107
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1108
        NAME=${NAME%s}
1109
        eval show_list $NAME \$$(toupper $NAME)_LIST
1110
    ;;
1111
    --help|-h) show_help
1112
    ;;
1113
    *)
1114
    optname="${opt%=*}"
1115
    optname="${optname#--}"
1116
    optname=$(echo "$optname" | sed 's/-/_/g')
1117
    is_in $optname $CMDLINE_SET || die_unknown $opt
1118
    eval $optname='$optval'
1119
    ;;
1120
    esac
1121
done
1122

    
1123
disabled logging && logfile=/dev/null
1124

    
1125
echo "# $0 $@" > $logfile
1126
set >> $logfile
1127

    
1128
cc="${cross_prefix}${cc}"
1129
yasmexe="${cross_prefix}${yasmexe}"
1130
ar="${cross_prefix}${ar}"
1131
nm="${cross_prefix}${nm}"
1132
ranlib="${cross_prefix}${ranlib}"
1133
strip="${cross_prefix}${strip}"
1134

    
1135
# set temporary file name
1136
if test ! -z "$TMPDIR" ; then
1137
    TMPDIR1="${TMPDIR}"
1138
elif test ! -z "$TEMPDIR" ; then
1139
    TMPDIR1="${TEMPDIR}"
1140
else
1141
    TMPDIR1="/tmp"
1142
fi
1143

    
1144
TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1145
TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1146
TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1147
TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1148
TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1149
TMPSH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1150

    
1151
check_cflags -fasm
1152
check_cflags -std=c99
1153

    
1154
case "$arch" in
1155
    i386|i486|i586|i686|i86pc|BePC)
1156
        arch="x86_32"
1157
        enable fast_unaligned
1158
    ;;
1159
    x86_64|amd64)
1160
        arch="x86_32"
1161
        enable fast_unaligned
1162
        check_cc <<EOF && enable fast_64bit && arch="x86_64"
1163
        int test[sizeof(char*) - 7];
1164
EOF
1165
    ;;
1166
    # armv4l is a subset of armv[567]*l
1167
    arm|armv[4567]*l)
1168
        arch="armv4l"
1169
    ;;
1170
    alpha)
1171
        arch="alpha"
1172
        enable fast_64bit
1173
    ;;
1174
    "Power Macintosh"|ppc|powerpc)
1175
        arch="powerpc"
1176
        enable fast_unaligned
1177
    ;;
1178
    ppc64)
1179
        arch="powerpc"
1180
        enable fast_64bit
1181
        enable fast_unaligned
1182
    ;;
1183
    mips|mipsel|IP*)
1184
        arch="mips"
1185
    ;;
1186
    sun4u|sparc64)
1187
        arch="sparc64"
1188
        enable fast_64bit
1189
    ;;
1190
    sparc)
1191
        arch="sparc"
1192
    ;;
1193
    sh4)
1194
        arch="sh4"
1195
    ;;
1196
    parisc)
1197
        arch="parisc"
1198
    ;;
1199
    parisc64)
1200
        arch="parisc"
1201
        enable fast_64bit
1202
    ;;
1203
    s390|s390x)
1204
        arch="s390"
1205
    ;;
1206
    m68k)
1207
        arch="m68k"
1208
    ;;
1209
    ia64)
1210
        arch="ia64"
1211
        enable fast_64bit
1212
    ;;
1213
    bfin)
1214
        arch="bfin"
1215
    ;;
1216
    *)
1217
        arch="unknown"
1218
    ;;
1219
esac
1220

    
1221
enable $arch
1222
enabled_any x86_32 x86_64 && enable x86
1223
enabled     sparc64       && enable sparc
1224

    
1225
# OS specific
1226
case $target_os in
1227
    beos|haiku|zeta)
1228
        prefix_default="$HOME/config"
1229
        # helps building libavcodec
1230
        add_cflags "-DPIC -fomit-frame-pointer"
1231
        # 3 gcc releases known for BeOS, each with ugly bugs
1232
        gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1233
        case "$gcc_version" in
1234
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1235
            disable mmx
1236
            ;;
1237
          *20010315*) echo "BeBits gcc"
1238
            add_cflags "-fno-expensive-optimizations"
1239
            ;;
1240
        esac
1241
        SHFLAGS=-nostart
1242
        # enable BeOS things
1243
        enable audio_beos
1244
        # no need for libm, but the inet stuff
1245
        # Check for BONE
1246
        # XXX: actually should check for NOT net_server
1247
        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1248
            network_extralibs="-lbind -lsocket"
1249
        else
1250
            enable beos_netserver
1251
            network_extralibs="-lnet"
1252
        fi ;;
1253
    sunos)
1254
        FFSERVERLDFLAGS=""
1255
        SHFLAGS='-shared -Wl,-h,$$(@F)'
1256
        network_extralibs="-lsocket -lnsl"
1257
        ;;
1258
    netbsd)
1259
        oss_demuxer_extralibs="-lossaudio"
1260
        oss_muxer_extralibs="-lossaudio"
1261
        ;;
1262
    openbsd)
1263
        disable need_memalign
1264
        LIBOBJFLAGS='$(PIC)'
1265
        SHFLAGS='-shared'
1266
        SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF).$(LIBVERSION)'
1267
        SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1268
        SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1269
        oss_demuxer_extralibs="-lossaudio"
1270
        oss_muxer_extralibs="-lossaudio"
1271
        ;;
1272
    freebsd)
1273
        disable need_memalign
1274
        ;;
1275
    bsd/os)
1276
        osextralibs="-lpoll -lgnugetopt"
1277
        strip="strip -d"
1278
        ;;
1279
    darwin)
1280
        disable need_memalign
1281
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1282
        VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
1283
        strip="strip -x"
1284
        FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1285
        SLIBSUF=".dylib"
1286
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1287
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1288
        FFSERVERLDFLAGS=-Wl,-bind_at_load
1289
        objformat="macho"
1290
        enabled x86_64 && objformat="macho64"
1291
        ;;
1292
    mingw32*)
1293
        target_os=mingw32
1294
        LIBTARGET=i386
1295
        if test $arch = x86_64; then
1296
            disable need_memalign
1297
            LIBTARGET=x64
1298
        fi
1299
        shlibdir_default="$bindir_default"
1300
        VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1301
        VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1302
        if enabled swscale; then
1303
            VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1304
            VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1305
        fi
1306
        disable ffserver
1307
        SLIBPREF=""
1308
        SLIBSUF=".dll"
1309
        EXESUF=".exe"
1310
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1311
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1312
        SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1313
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1314
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1315
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1316
        SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1317
        objformat="win32"
1318
        enable dos_paths
1319
        ;;
1320
    cygwin*)
1321
        target_os=cygwin
1322
        shlibdir_default="$bindir_default"
1323
        VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1324
        VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1325
        if enabled swscale; then
1326
            VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1327
            VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1328
        fi
1329
        EXESUF=".exe"
1330
        SLIBPREF="cyg"
1331
        SLIBSUF=".dll"
1332
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1333
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1334
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
1335
        objformat="win32"
1336
        enable dos_paths
1337
        ;;
1338
    *-dos|freedos|opendos)
1339
        disable ffplay ffserver vhook
1340
        disable $INDEV_LIST $OUTDEV_LIST
1341
        network_extralibs="-lsocket"
1342
        EXESUF=".exe"
1343
        objformat="win32"
1344
        enable dos_paths
1345
        ;;
1346
    linux)
1347
        enable dv1394
1348
        ;;
1349
    irix*)
1350
        target_os=irix
1351
        ranlib="echo ignoring ranlib"
1352
        ;;
1353
    os/2*)
1354
        strip="lxlite"
1355
        ln_s="cp -f"
1356
        EXESUF=".exe"
1357
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1358
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1359
        FFSERVERLDFLAGS=""
1360
        LIBSUF="_s.a"
1361
        SLIBPREF=""
1362
        SLIBSUF=".dll"
1363
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1364
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1365
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1366
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1367
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1368
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1369
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1370
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1371
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1372
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1373
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1374
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1375
        disable vhook
1376
        enable dos_paths
1377
        ;;
1378
    interix)
1379
        disable vhook
1380
        ;;
1381

    
1382
    *)
1383
        target_os="${target_os}-UNKNOWN"
1384
        ;;
1385
esac
1386

    
1387
set_default $PATHS_LIST
1388

    
1389
add_extralibs $osextralibs
1390

    
1391
# Combine FFLDFLAGS and the LDFLAGS environment variable.
1392
LDFLAGS="$FFLDFLAGS $LDFLAGS"
1393

    
1394
test -n "$cross_prefix" && enable cross_compile
1395

    
1396
# we need to build at least one lib type
1397
if ! enabled_any static shared; then
1398
    cat <<EOF
1399
At least one library type must be built.
1400
Specify --enable-static to build the static libraries or --enable-shared to
1401
build the shared libraries as well. To only build the shared libraries specify
1402
--disable-static in addition to --enable-shared.
1403
EOF
1404
    exit 1;
1405
fi
1406

    
1407
disabled static && LIBNAME=""
1408

    
1409
if enabled_any libfaad libfaadbin ; then
1410
    if check_header faad.h; then
1411
        check_cc <<EOF
1412
#include <faad.h>
1413
#ifndef FAAD2_VERSION
1414
ok faad1
1415
#endif
1416
int main(void) { return 0; }
1417
EOF
1418
        test $? = 0 && enable libfaad2
1419
    else
1420
        die "FAAD test failed."
1421
    fi
1422
fi
1423

    
1424

    
1425
if ! enabled gpl; then
1426
    die_gpl_disabled(){
1427
        name=$1
1428
        shift
1429
        enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1430
    }
1431
    die_gpl_disabled "The Postprocessing code" postproc
1432
    die_gpl_disabled "libx264"                 libx264
1433
    die_gpl_disabled "libxvidcore"             libxvid
1434
    die_gpl_disabled "FAAD2"                   libfaad2
1435
    die_gpl_disabled "The X11 grabber"         x11grab
1436
    die_gpl_disabled "The software scaler"     swscale
1437
fi
1438

    
1439
if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1440
    die "libamr is nonfree and --enable-nonfree is not specified."
1441
fi
1442

    
1443
check_deps $ARCH_EXT_LIST
1444

    
1445
test -z "$need_memalign" && need_memalign="$mmx"
1446

    
1447
#Darwin CC versions
1448
if test $target_os = darwin; then
1449
    if $cc -v 2>&1 | grep -q xlc; then
1450
        add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1451
    else
1452
        add_cflags "-pipe"
1453
        check_cflags "-force_cpusubtype_ALL"
1454
        check_cflags "-Wno-sign-compare"
1455
        enabled shared || check_cflags -mdynamic-no-pic
1456
    fi
1457
fi
1458

    
1459
disabled optimizations || check_cflags -fomit-frame-pointer
1460

    
1461
# Add processor-specific flags
1462
if test $cpu != "generic"; then
1463
    warn_altivec(){
1464
        $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1465
    }
1466
    case $cpu in
1467
        601|ppc601|PowerPC601)
1468
            add_cflags "-mcpu=601"
1469
            warn_altivec enabled PPC601
1470
        ;;
1471
        603*|ppc603*|PowerPC603*)
1472
            add_cflags "-mcpu=603"
1473
            warn_altivec enabled PPC603
1474
        ;;
1475
        604*|ppc604*|PowerPC604*)
1476
            add_cflags "-mcpu=604"
1477
            warn_altivec enabled PPC604
1478
        ;;
1479
        G3|g3|75*|ppc75*|PowerPC75*)
1480
            add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1481
            warn_altivec enabled PPC75x
1482
        ;;
1483
        G4|g4|745*|ppc745*|PowerPC745*)
1484
            add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1485
            warn_altivec disabled PPC745x
1486
        ;;
1487
        74*|ppc74*|PowerPC74*)
1488
            add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1489
            warn_altivec disabled PPC74xx
1490
        ;;
1491
        G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1492
            add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1493
            warn_altivec disabled PPC970
1494
            enable ppc64
1495
        ;;
1496
        Cell|CELL|cell)
1497
            add_cflags "-mcpu=cell"
1498
            warn_altivec disabled Cell
1499
            enable ppc64
1500
        ;;
1501
        # targets that do NOT support conditional mov (cmov)
1502
        i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1503
            add_cflags "-march=$cpu"
1504
            disable cmov
1505
        ;;
1506
        # targets that do support conditional mov (cmov)
1507
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1508
            add_cflags "-march=$cpu"
1509
            enable cmov
1510
            enable fast_cmov
1511
        ;;
1512
        # targets that do support conditional mov but on which it's slow
1513
        pentium4|pentium4m|prescott|nocona)
1514
            add_cflags "-march=$cpu"
1515
            enable cmov
1516
            disable fast_cmov
1517
        ;;
1518
        sparc64)
1519
            add_cflags "-mcpu=v9"
1520
        ;;
1521
        arm*|cortex*)
1522
            add_cflags "-mcpu=$cpu"
1523
        ;;
1524
        *)
1525
            echo "WARNING: Unknown CPU \"$cpu\", ignored."
1526
        ;;
1527
    esac
1528
fi
1529

    
1530
# make sure we can execute files in $TMPDIR
1531
cat > $TMPSH 2>> $logfile <<EOF
1532
#! /bin/sh
1533
EOF
1534
chmod +x $TMPSH >> $logfile 2>&1
1535
if ! $TMPSH >> $logfile 2>&1; then
1536
    cat <<EOF
1537
Unable to create and execute files in $TMPDIR1.  Set the TMPDIR environment
1538
variable to another directory and make sure that $TMPDIR1 is not mounted
1539
noexec.
1540
EOF
1541
    die "Sanity test failed."
1542
fi
1543
rm $TMPSH
1544

    
1545
# compiler sanity check
1546
check_exec <<EOF
1547
int main(void){ return 0; }
1548
EOF
1549
if test "$?" != 0; then
1550
    echo "$cc is unable to create an executable file."
1551
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
1552
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1553
        echo "Only do this if you know what cross compiling means."
1554
    fi
1555
    die "C compiler test failed."
1556
fi
1557

    
1558
check_cc <<EOF || die "Symbol mangling check failed."
1559
int ff_extern;
1560
EOF
1561
sym=$($nm -P -g $TMPO | grep ff_extern)
1562
extern_prefix=${sym%%ff_extern*}
1563

    
1564
check_asm inline_asm '""'
1565

    
1566
if enabled x86; then
1567
    # check whether EBP is available on x86
1568
    # As 'i' is stored on the stack, this program will crash
1569
    # if the base pointer is used to access it because the
1570
    # base pointer is cleared in the inline assembly code.
1571
    check_exec_crash <<EOF && enable ebp_available
1572
    volatile int i=0;
1573
    asm volatile (
1574
        "xorl %%ebp, %%ebp"
1575
    ::: "%ebp");
1576
    return i;
1577
EOF
1578

    
1579
    # check wether EBX is available on x86
1580
    check_asm ebx_available '"":::"%ebx"'
1581

    
1582
    # check whether binutils is new enough to compile SSSE3/MMX2
1583
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1584
    enabled mmx2  && check_asm mmx2  '"movss %xmm0, %xmm0"'
1585

    
1586
    check_asm bswap '"bswap %%eax" ::: "%eax"'
1587

    
1588
    YASMFLAGS="-f $objformat -DARCH_$(toupper $arch)"
1589
    enabled     x86_64        && append YASMFLAGS "-m amd64"
1590
    enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1591
    case "$objformat" in
1592
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1593
        macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
1594
        *)                    append YASMFLAGS "-DPREFIX"  ;;
1595
    esac
1596
    check_yasm "pabsw xmm0, xmm0" && enable yasm
1597
fi
1598

    
1599
# check for assembler specific support
1600

    
1601
if test $arch = "powerpc"; then
1602
    check_asm dcbzl '"dcbzl 0, 1"'
1603
fi
1604

    
1605
# check for SIMD availability
1606

    
1607
# AltiVec flags: The FSF version of GCC differs from the Apple version
1608
if enabled altivec; then
1609
    check_cflags -maltivec -mabi=altivec &&
1610
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1611
        check_cflags -faltivec
1612

    
1613
    # check if our compiler supports Motorola AltiVec C API
1614
    check_cc <<EOF || disable altivec
1615
$inc_altivec_h
1616
int main(void) {
1617
    vector signed int v1, v2, v3;
1618
    v1 = vec_add(v2,v3);
1619
    return 0;
1620
}
1621
EOF
1622

    
1623
    # check if our compiler supports braces for vector declarations
1624
    check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1625
$inc_altivec_h
1626
int main (void) { (vector int) {1}; return 0; }
1627
EOF
1628
fi
1629

    
1630
# We have to check if pld is a nop and disable it.
1631
enabled armv4l  && check_asm pld     '"pld [r0]"'
1632
enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1633
enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
1634
enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
1635
enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
1636
enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
1637
enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
1638
enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1639

    
1640
enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1641

    
1642
# ---
1643
# big/little-endian test
1644
check_cc <<EOF || die "endian test failed"
1645
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1646
EOF
1647
od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1648

    
1649
# ---
1650
# check availability of some header files
1651

    
1652
if check_func dlopen; then
1653
    ldl=
1654
elif check_func dlopen -ldl; then
1655
    ldl=-ldl
1656
fi
1657

    
1658
check_func  fork
1659
check_func  gethrtime
1660
check_func  getrusage
1661
check_func  inet_aton $network_extralibs
1662
check_func  memalign
1663
check_func  mkstemp
1664
check_func_headers windows.h GetProcessTimes
1665

    
1666
check_header conio.h
1667
check_header dlfcn.h
1668
check_header malloc.h
1669
check_header poll.h
1670
check_header sys/mman.h
1671
check_header sys/resource.h
1672
check_header sys/select.h
1673
check_header termios.h
1674

    
1675
if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1676
    die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1677
fi
1678

    
1679
enabled  zlib && check_lib  zlib.h      zlibVersion -lz   || disable  zlib
1680
enabled bzlib && check_lib bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1681

    
1682
# check for some common methods of building with pthread support
1683
# do this before the optional library checks as some of them require pthreads
1684
if enabled pthreads; then
1685
    if check_func pthread_create; then
1686
        :
1687
    elif check_func pthread_create -pthread; then
1688
        add_cflags -pthread
1689
        add_extralibs -pthread
1690
    elif check_func pthread_create -pthreads; then
1691
        add_cflags -pthreads
1692
        add_extralibs -pthreads
1693
    elif check_func pthread_create -lpthreadGC2; then
1694
        add_extralibs -lpthreadGC2
1695
    elif ! check_lib pthread.h pthread_create -lpthread; then
1696
        die "ERROR: can't find pthreads library"
1697
    fi
1698
fi
1699

    
1700
for thread in $THREADS_LIST; do
1701
    if enabled $thread; then
1702
        test -n "$thread_type" &&
1703
            die "ERROR: Only one thread type must be selected." ||
1704
            thread_type="$thread"
1705
    fi
1706
done
1707

    
1708
check_lib math.h sin -lm
1709

    
1710
# test for C99 functions in math.h
1711
for func in llrint lrint lrintf round roundf; do
1712
    check_exec <<EOF && enable $func || disable $func
1713
#include <math.h>
1714
int main(void) { return ($func(3.999f) > 0)?0:1; }
1715
EOF
1716
done
1717

    
1718
# these are off by default, so fail if requested and not available
1719
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1720
enabled libamr_nb  && require  libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1721
enabled libamr_wb  && require  libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1722
enabled libdirac   && add_cflags "$(pkg-config --cflags dirac)" \
1723
                   && require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder \
1724
                   && require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
1725
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1726
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
1727
enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
1728
enabled libmp3lame && require  LAME lame/lame.h lame_init -lmp3lame -lm
1729
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
1730
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) \
1731
                        && require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
1732
enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
1733
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1734
enabled libx264    && require  x264 x264.h x264_encoder_open -lx264 -lm \
1735
                   && require_cpp_condition x264 x264.h "X264_BUILD >= 65"
1736
enabled libxvid    && require  Xvid xvid.h xvid_global -lxvidcore
1737
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1738

    
1739
# libdc1394 check
1740
if enabled libdc1394; then
1741
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1742
        enable libdc1394_2; } ||
1743
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1744
        enable libdc1394_1; } ||
1745
    die "ERROR: No version of libdc1394 found "
1746
fi
1747

    
1748

    
1749
_restrict=
1750
for restrict_keyword in restrict __restrict__ __restrict; do
1751
    check_cc <<EOF && _restrict=$restrict_keyword && break
1752
void foo(char * $restrict_keyword p);
1753
EOF
1754
done
1755

    
1756
test "$vhook" = "default" && vhook="$dlopen"
1757

    
1758
if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
1759
    disable vhook
1760
    echo
1761
    echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1762
    echo "Patches welcome."
1763
    echo
1764
fi
1765

    
1766
if enabled vhook; then
1767
    check_ldflags -rdynamic
1768
    check_ldflags -export-dynamic
1769
fi
1770

    
1771
check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1772
check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1773

    
1774
##########################################
1775
# SDL check
1776

    
1777
disable sdl_too_old
1778
disable sdl
1779
SDL_CONFIG="${cross_prefix}sdl-config"
1780
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
1781
    sdl_cflags=`"${SDL_CONFIG}" --cflags`
1782
    temp_cflags $sdl_cflags
1783
    temp_extralibs `"${SDL_CONFIG}" --libs`
1784
    if check_lib2 SDL.h SDL_Init; then
1785
        _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1786
        if test "$_sdlversion" -lt 121 ; then
1787
            enable sdl_too_old
1788
        else
1789
            enable sdl
1790
            check_cc $sdl_cflags <<EOF && enable sdl_video_size
1791
#include <SDL.h>
1792
int main(int argc, char **argv){
1793
    const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1794
    int w = vi->current_w;
1795
    return 0;
1796
}
1797
EOF
1798
        fi
1799
    fi
1800
    restore_flags
1801
fi
1802

    
1803
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
1804

    
1805
##########################################
1806
# Network check
1807

    
1808
if enabled network; then
1809
    check_type sys/socket.h socklen_t
1810
    # Prefer arpa/inet.h over winsock2
1811
    if check_header arpa/inet.h ; then
1812
        check_func closesocket
1813
    elif check_header winsock2.h ; then
1814
        network_extralibs="-lws2_32"
1815
        check_type ws2tcpip.h socklen_t
1816
        check_func_headers winsock2.h closesocket
1817
    fi
1818
fi
1819

    
1820
##########################################
1821
# IPv6 check
1822

    
1823
enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
1824
#include <sys/types.h>
1825
#include <sys/socket.h>
1826
#include <netinet/in.h>
1827
#include <netdb.h>
1828
int main(void) {
1829
    struct sockaddr_storage saddr;
1830
    struct ipv6_mreq mreq6;
1831
    getaddrinfo(0,0,0,0);
1832
    getnameinfo(0,0,0,0,0,0,0);
1833
    IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1834
}
1835
EOF
1836

    
1837
check_header linux/videodev.h
1838
check_header linux/videodev2.h
1839
check_header sys/videoio.h
1840

    
1841
check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
1842

    
1843
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1844
{ check_header dev/bktr/ioctl_meteor.h &&
1845
  check_header dev/bktr/ioctl_bt848.h; } ||
1846
{ check_header machine/ioctl_meteor.h &&
1847
  check_header machine/ioctl_bt848.h; } ||
1848
{ check_header dev/video/meteor/ioctl_meteor.h &&
1849
  check_header dev/video/bktr/ioctl_bt848.h; } ||
1850
check_header dev/ic/bt8xx.h
1851

    
1852
check_header sys/soundcard.h
1853
check_header soundcard.h
1854

    
1855
# deal with the X11 frame grabber
1856
enabled x11grab                         &&
1857
check_header X11/Xlib.h                 &&
1858
check_header X11/extensions/XShm.h      &&
1859
check_func XOpenDisplay -lX11           &&
1860
check_func XShmCreateImage -lX11 -lXext
1861

    
1862
enabled debug && add_cflags -g"$debuglevel"
1863

    
1864
# add some useful compiler flags if supported
1865
check_cflags -Wdeclaration-after-statement
1866
check_cflags -Wall
1867
check_cflags -Wno-switch
1868
check_cflags -Wdisabled-optimization
1869
check_cflags -Wpointer-arith
1870
check_cflags -Wredundant-decls
1871
check_cflags -Wno-pointer-sign
1872
check_cflags -Wcast-qual
1873
check_cflags -Wwrite-strings
1874
check_cflags -Wtype-limits
1875
enabled extra_warnings && check_cflags -Winline
1876

    
1877
# add some linker flags
1878
check_ldflags -Wl,--warn-common
1879
check_ldflags -Wl,--as-needed
1880
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'
1881
check_ldflags -Wl,-Bsymbolic
1882

    
1883
if enabled small; then
1884
    check_cflags -Os            # not all compilers support -Os
1885
    optimizations="small"
1886
elif enabled optimizations; then
1887
    if $cc -v 2>&1 | grep -q xlc; then
1888
        add_cflags  "-O5"
1889
        add_ldflags "-O5"
1890
    else
1891
        add_cflags "-O3"
1892
    fi
1893
fi
1894
check_cflags -fno-math-errno
1895
check_cflags -fno-signed-zeros
1896

    
1897
# add some flags for Intel C Compiler
1898
if $cc --version 2> /dev/null | grep -q Intel; then
1899
  # Just warnings, no remarks
1900
  check_cflags -w1
1901
  # -wd: Disable following warnings
1902
  # 144, 167, 556: -Wno-pointer-sign
1903
  # 10006: ignoring unknown option -fno-signed-zeros
1904
  # 10156: ignoring option '-W'; no argument required
1905
  check_cflags -wd144,167,556,10006,10156
1906
  # 11030: Warning unknown option --as-needed
1907
  # 10156: ignoring option '-export'; no argument required
1908
  check_ldflags -wd10156,11030
1909
  # Allow to compile with optimizations
1910
  check_ldflags -march=$cpu
1911
fi
1912

    
1913
# PIC flags for shared library objects where they are needed
1914
if enabled shared; then
1915
    # LIBOBJFLAGS may have already been set in the OS configuration
1916
    if test -z "$LIBOBJFLAGS" ; then
1917
        case "$arch" in
1918
            x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
1919
        esac
1920
    fi
1921
fi
1922

    
1923
if enabled gprof; then
1924
    add_cflags  "-p"
1925
    add_ldflags "-p"
1926
fi
1927

    
1928
VHOOKCFLAGS="-fPIC"
1929

    
1930
# Find out if the .align argument is a power of two or not.
1931
if test $asmalign_pot = "unknown"; then
1932
    disable asmalign_pot
1933
    echo 'asm (".align 3");' | check_cc && enable asmalign_pot
1934
fi
1935

    
1936
enabled_any $DECODER_LIST      && enable decoders
1937
enabled_any $ENCODER_LIST      && enable encoders
1938
enabled_any $BSF_LIST          && enable bsfs
1939
enabled_any $DEMUXER_LIST      && enable demuxers
1940
enabled_any $MUXER_LIST        && enable muxers
1941
enabled_any $FILTER_LIST       && enable filters
1942
enabled_any $INDEV_LIST        && enable demuxers
1943
enabled_any $OUTDEV_LIST       && enable muxers
1944
enabled_any $PROTOCOL_LIST     && enable protocols
1945

    
1946
enabled_any $THREADS_LIST      && enable threads
1947

    
1948
check_deps $CONFIG_LIST       \
1949
           $HAVE_LIST         \
1950
           $DECODER_LIST      \
1951
           $ENCODER_LIST      \
1952
           $PARSER_LIST       \
1953
           $BSF_LIST          \
1954
           $DEMUXER_LIST      \
1955
           $MUXER_LIST        \
1956
           $FILTER_LIST       \
1957
           $INDEV_LIST        \
1958
           $OUTDEV_LIST       \
1959
           $PROTOCOL_LIST     \
1960

    
1961
enabled libdc1394 && append pkg_requires "libraw1394"
1962
enabled libdirac  && append pkg_requires "dirac"
1963
enabled libtheora && append pkg_requires "theora"
1964
enabled libvorbis && append pkg_requires "vorbisenc"
1965

    
1966
echo "install prefix            $prefix"
1967
echo "source path               $source_path"
1968
echo "C compiler                $cc"
1969
echo ".align is power-of-two    $asmalign_pot"
1970
echo "ARCH                      $arch ($cpu)"
1971
if test "$build_suffix" != ""; then
1972
    echo "build suffix              $build_suffix"
1973
fi
1974
if test "$extra_version" != ""; then
1975
    echo "version string suffix     $extra_version"
1976
fi
1977
echo "big-endian                ${bigendian-no}"
1978
if test $arch = "x86_32" -o $arch = "x86_64"; then
1979
    echo "yasm                      ${yasm-no}"
1980
    echo "MMX enabled               ${mmx-no}"
1981
    echo "CMOV enabled              ${cmov-no}"
1982
    echo "CMOV is fast              ${fast_cmov-no}"
1983
    echo "EBX available             ${ebx_available-no}"
1984
    echo "EBP available             ${ebp_available-no}"
1985
fi
1986
if test $arch = "armv4l"; then
1987
    echo "ARMv5TE enabled           ${armv5te-no}"
1988
    echo "ARMv6 enabled             ${armv6-no}"
1989
    echo "ARM VFP enabled           ${armvfp-no}"
1990
    echo "IWMMXT enabled            ${iwmmxt-no}"
1991
    echo "NEON enabled              ${neon-no}"
1992
fi
1993
if test $arch = "mips"; then
1994
    echo "MMI enabled               ${mmi-no}"
1995
fi
1996
if test $arch = "powerpc"; then
1997
    echo "AltiVec enabled           ${altivec-no}"
1998
    echo "dcbzl available           ${dcbzl-no}"
1999
fi
2000
echo "gprof enabled             ${gprof-no}"
2001
echo "debug symbols             ${debug-no}"
2002
echo "strip symbols             ${stripping-no}"
2003
echo "optimizations             ${optimizations-no}"
2004
echo "static                    ${static-no}"
2005
echo "shared                    ${shared-no}"
2006
echo "postprocessing support    ${postproc-no}"
2007
echo "software scaler enabled   ${swscale-no}"
2008
echo "new filter support        ${avfilter-no}"
2009
echo "filters using lavformat   ${avfilter_lavf-no}"
2010
echo "video hooking             ${vhook-no}"
2011
if enabled vhook; then
2012
    echo "Imlib2 support            ${imlib2-no}"
2013
    echo "FreeType support          ${freetype2-no}"
2014
fi
2015
echo "network support           ${network-no}"
2016
if enabled network; then
2017
    echo "IPv6 support              ${ipv6-no}"
2018
fi
2019
echo "threading support         ${thread_type-no}"
2020
echo "SDL support               ${sdl-no}"
2021
if enabled sdl_too_old; then
2022
    echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2023
fi
2024
echo "Sun medialib support      ${mlib-no}"
2025
echo "AVISynth enabled          ${avisynth-no}"
2026
echo "libamr-nb support         ${libamr_nb-no}"
2027
echo "libamr-wb support         ${libamr_wb-no}"
2028
echo "libdc1394 support         ${libdc1394-no}"
2029
echo "libdirac enabled          ${libdirac-no}"
2030
echo "libfaac enabled           ${libfaac-no}"
2031
echo "libfaad enabled           ${libfaad-no}"
2032
echo "libfaad dlopened          ${libfaadbin-no}"
2033
echo "libgsm enabled            ${libgsm-no}"
2034
echo "libmp3lame enabled        ${libmp3lame-no}"
2035
echo "libnut enabled            ${libnut-no}"
2036
echo "libschroedinger enabled   ${libschroedinger-no}"
2037
echo "libtheora enabled         ${libtheora-no}"
2038
echo "libvorbis enabled         ${libvorbis-no}"
2039
echo "libx264 enabled           ${libx264-no}"
2040
echo "libxvid enabled           ${libxvid-no}"
2041
echo "zlib enabled              ${zlib-no}"
2042
echo "bzlib enabled             ${bzlib-no}"
2043
echo
2044

    
2045
for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
2046
    echo "Enabled ${type}s:"
2047
    eval list=\$$(toupper $type)_LIST
2048
    for part in $list; do
2049
        enabled $part && echo ${part%_*}
2050
    done | sort | pr -3 -t
2051
    echo
2052
done
2053

    
2054
license="LGPL"
2055
if enabled nonfree; then
2056
    license="unredistributable"
2057
elif enabled gpl; then
2058
    license="GPL"
2059
fi
2060

    
2061
echo "License: $license"
2062

    
2063
echo "Creating config.mak and config.h..."
2064

    
2065
echo "# Automatically generated by configure - do not modify!" > config.mak
2066
echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2067
echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2068
echo "#define FFMPEG_CONFIG_H" >> $TMPH
2069
echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2070

    
2071
echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2072
echo "prefix=$prefix" >> config.mak
2073
echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2074
echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2075
echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2076
echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2077
echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2078
echo "CC=$cc" >> config.mak
2079
echo "YASM=$yasmexe" >> config.mak
2080
echo "AR=$ar" >> config.mak
2081
echo "RANLIB=$ranlib" >> config.mak
2082
echo "LN_S=$ln_s" >> config.mak
2083
enabled stripping &&
2084
    echo "STRIP=$strip" >> config.mak ||
2085
    echo "STRIP=echo ignoring strip" >> config.mak
2086

    
2087
echo "OPTFLAGS=$CFLAGS" >> config.mak
2088
echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
2089
echo "LDFLAGS=$LDFLAGS" >> config.mak
2090
echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2091
echo "SHFLAGS=$SHFLAGS" >> config.mak
2092
echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2093
echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
2094
echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
2095
echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2096
echo "BUILD_STATIC=$static" >> config.mak
2097
echo "BUILDSUF=$build_suffix" >> config.mak
2098
echo "FULLNAME=$FULLNAME" >> config.mak
2099
echo "LIBPREF=$LIBPREF" >> config.mak
2100
echo "LIBSUF=$LIBSUF" >> config.mak
2101
echo "LIBNAME=$LIBNAME" >> config.mak
2102
echo "SLIBPREF=$SLIBPREF" >> config.mak
2103
echo "SLIBSUF=$SLIBSUF" >> config.mak
2104
echo "EXESUF=$EXESUF" >> config.mak
2105
echo "EXTRA_VERSION=$extra_version" >> config.mak
2106
echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2107

    
2108
if enabled bigendian; then
2109
    echo "WORDS_BIGENDIAN=yes" >> config.mak
2110
    echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2111
fi
2112

    
2113
if enabled sdl; then
2114
    echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2115
    echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2116
fi
2117
if enabled texi2html; then
2118
    echo "BUILD_DOC=yes" >> config.mak
2119
fi
2120

    
2121
get_version(){
2122
    name=$1
2123
    file=$source_path/$2
2124
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2125
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2126
    lcname=$(tolower $name)
2127
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2128
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2129
}
2130

    
2131
get_version LIBSWSCALE  libswscale/swscale.h
2132
get_version LIBPOSTPROC libpostproc/postprocess.h
2133
get_version LIBAVCODEC  libavcodec/avcodec.h
2134
get_version LIBAVDEVICE libavdevice/avdevice.h
2135
get_version LIBAVFORMAT libavformat/avformat.h
2136
get_version LIBAVUTIL   libavutil/avutil.h
2137
get_version LIBAVFILTER libavfilter/avfilter.h
2138

    
2139
if enabled shared; then
2140
    echo "BUILD_SHARED=yes" >> config.mak
2141
    echo "PIC=-fPIC -DPIC" >> config.mak
2142
    echo "LIBTARGET=${LIBTARGET}" >> config.mak
2143
    echo "SLIBNAME=${SLIBNAME}" >> config.mak
2144
    echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2145
    echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2146
    echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2147
    echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2148
    echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2149
    echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2150
fi
2151
echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2152
echo "EXTRALIBS=$extralibs" >> config.mak
2153

    
2154
print_config ARCH_   $TMPH config.mak $ARCH_LIST
2155
print_config HAVE_   $TMPH config.mak $HAVE_LIST
2156
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2157
                                      $DECODER_LIST      \
2158
                                      $ENCODER_LIST      \
2159
                                      $PARSER_LIST       \
2160
                                      $BSF_LIST          \
2161
                                      $DEMUXER_LIST      \
2162
                                      $MUXER_LIST        \
2163
                                      $FILTER_LIST       \
2164
                                      $PROTOCOL_LIST     \
2165
                                      $INDEV_LIST        \
2166
                                      $OUTDEV_LIST       \
2167

    
2168
echo "#define restrict $_restrict" >> $TMPH
2169

    
2170
if enabled small; then
2171
    echo "#define av_always_inline"  >> $TMPH
2172
fi
2173

    
2174
echo "SRC_PATH=\"$source_path\"" >> config.mak
2175
echo "SRC_PATH_BARE=$source_path" >> config.mak
2176
echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2177

    
2178
# Apparently it's not possible to portably echo a backslash.
2179
enabled asmalign_pot &&
2180
    printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2181
    printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2182

    
2183
echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2184

    
2185
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2186

    
2187
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2188
cmp -s $TMPH config.h &&
2189
    echo "config.h is unchanged" ||
2190
    mv -f $TMPH config.h
2191

    
2192
rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
2193

    
2194
# build tree in object directory if source path is different from current one
2195
if enabled source_path_used; then
2196
    DIRS="\
2197
        doc               \
2198
        libavcodec        \
2199
        libavcodec/alpha  \
2200
        libavcodec/armv4l \
2201
        libavcodec/bfin   \
2202
        libavcodec/i386   \
2203
        libavcodec/mlib   \
2204
        libavcodec/ppc    \
2205
        libavcodec/sh4    \
2206
        libavcodec/sparc  \
2207
        libavdevice       \
2208
        libavfilter       \
2209
        libavformat       \
2210
        libavutil         \
2211
        libpostproc       \
2212
        libswscale        \
2213
        tests             \
2214
        tools             \
2215
        vhook             \
2216
        "
2217
    FILES="\
2218
        Makefile             \
2219
        common.mak           \
2220
        subdir.mak           \
2221
        doc/texi2pod.pl      \
2222
        libavcodec/Makefile  \
2223
        libavdevice/Makefile \
2224
        libavfilter/Makefile \
2225
        libavformat/Makefile \
2226
        libavutil/Makefile   \
2227
        libpostproc/Makefile \
2228
        libswscale/Makefile  \
2229
        "
2230
    for dir in $DIRS ; do
2231
        mkdir -p $dir
2232
    done
2233
    for f in $FILES ; do
2234
        $ln_s "$source_path/$f" $f
2235
    done
2236
fi
2237

    
2238

    
2239
# build pkg-config files
2240

    
2241
pkgconfig_generate(){
2242
name=$1
2243
shortname=${name#lib}
2244
comment=$2
2245
version=$3
2246
libs=$4
2247
requires=$5
2248
cat <<EOF > $name/$name.pc
2249
prefix=$prefix
2250
exec_prefix=\${prefix}
2251
libdir=$libdir
2252
includedir=$incdir
2253

    
2254
Name: $name
2255
Description: $comment
2256
Version: $version
2257
Requires: $(disabled shared && echo $requires)
2258
Requires.private: $(enabled shared && echo $requires)
2259
Conflicts:
2260
Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2261
Libs.private: $(enabled shared && echo $libs)
2262
Cflags: -I\${includedir}
2263
EOF
2264
cat <<EOF > $name/$name-uninstalled.pc
2265
prefix=
2266
exec_prefix=
2267
libdir=\${pcfiledir}
2268
includedir=${source_path}
2269

    
2270
Name: $name
2271
Description: $comment
2272
Version: $version
2273
Requires: $requires
2274
Conflicts:
2275
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2276
Cflags: -I\${includedir}
2277
EOF
2278
}
2279

    
2280
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2281
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2282
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2283
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
2284
enabled avfilter &&
2285
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2286
enabled postproc &&
2287
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2288
if enabled swscale; then
2289
    pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2290
else
2291
    pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2292
    apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
2293
fi