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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"
180
  echo "  --list-protocols         show all available protocols"
181
  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"
191
  echo "  --enable-extra-warnings  enable more compiler warnings"
192
  echo "  --disable-stripping      disable stripping of executables and shared libraries"
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  echo ""
194
  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 "$@"
210
    echo "$@"
211
}
212

    
213
die(){
214
    echolog "$@"
215
    cat <<EOF
216
If you think configure made a mistake, make sure you are using the latest
217
version from SVN.  If the latest version fails, report the problem to the
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ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
219
EOF
220
    if disabled logging; then
221
        cat <<EOF
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Rerun configure with logging enabled (do not use --disable-logging), and
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include the log this produces with your report.
224
EOF
225
    else
226
cat <<EOF
227
Include the log file "$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
232
    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}
255
        eval ${var}_${level}="\$$var"
256
        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, but we need the
1016
# full relative path for objects in subdirectories for non-recursive Make.
1017
DEPEND_CMD='$(CC) $(CFLAGS) -MM -MG -MT $@ $<'
1018

    
1019
# find source path
1020
source_path="`dirname \"$0\"`"
1021
enable source_path_used
1022
if test -z "$source_path" -o "$source_path" = "." ; then
1023
    source_path="`pwd`"
1024
    disable source_path_used
1025
else
1026
    source_path="`cd \"$source_path\"; pwd`"
1027
    echo "$source_path" | grep -q '[[:blank:]]' &&
1028
        die "Out of tree builds are impossible with whitespace in source path."
1029
fi
1030

    
1031
FFMPEG_CONFIGURATION="$@"
1032

    
1033
find_things(){
1034
    thing=$1
1035
    pattern=$2
1036
    file=$source_path/$3
1037
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1038
}
1039

    
1040
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1041
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1042
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1043
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1044
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1045
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1046
OUTDEV_LIST=$(find_things   muxer    _MUX     libavdevice/alldevices.c)
1047
INDEV_LIST=$(find_things    demuxer  DEMUX    libavdevice/alldevices.c)
1048
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1049
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1050

    
1051
enable $ARCH_EXT_LIST \
1052
       $DECODER_LIST \
1053
       $ENCODER_LIST \
1054
       $PARSER_LIST \
1055
       $BSF_LIST \
1056
       $DEMUXER_LIST \
1057
       $MUXER_LIST \
1058
       $FILTER_LIST \
1059
       $PROTOCOL_LIST \
1060
       $INDEV_LIST \
1061
       $OUTDEV_LIST \
1062

    
1063
die_unknown(){
1064
    echo "Unknown option \"$1\"."
1065
    echo "See $0 --help for available options."
1066
    exit 1
1067
}
1068

    
1069
show_list() {
1070
    suffix=_$1
1071
    shift
1072
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1073
    exit 0
1074
}
1075

    
1076
for opt do
1077
    optval="${opt#*=}"
1078
    case "$opt" in
1079
    --extra-cflags=*) add_cflags "$optval"
1080
    ;;
1081
    --extra-ldflags=*) add_ldflags "$optval"
1082
    ;;
1083
    --extra-libs=*) add_extralibs "$optval"
1084
    ;;
1085
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1086
    ;;
1087
    --enable-debug=*) debuglevel="$optval"
1088
    ;;
1089
    --enable-*=*|--disable-*=*)
1090
    eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1091
    case "$thing" in
1092
        encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1093
        *) die_unknown "$opt" ;;
1094
    esac
1095
    ;;
1096
    --enable-?*|--disable-?*)
1097
    eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1098
    if is_in $option $COMPONENT_LIST; then
1099
        eval $action \$$(toupper ${option%s})_LIST
1100
    elif is_in $option $CMDLINE_SELECT; then
1101
        $action $option
1102
    else
1103
        die_unknown $opt
1104
    fi
1105
    ;;
1106
    --list-*)
1107
        NAME="${opt#--list-}"
1108
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1109
        NAME=${NAME%s}
1110
        eval show_list $NAME \$$(toupper $NAME)_LIST
1111
    ;;
1112
    --help|-h) show_help
1113
    ;;
1114
    *)
1115
    optname="${opt%=*}"
1116
    optname="${optname#--}"
1117
    optname=$(echo "$optname" | sed 's/-/_/g')
1118
    is_in $optname $CMDLINE_SET || die_unknown $opt
1119
    eval $optname='$optval'
1120
    ;;
1121
    esac
1122
done
1123

    
1124
disabled logging && logfile=/dev/null
1125

    
1126
echo "# $0 $@" > $logfile
1127
set >> $logfile
1128

    
1129
cc="${cross_prefix}${cc}"
1130
yasmexe="${cross_prefix}${yasmexe}"
1131
ar="${cross_prefix}${ar}"
1132
nm="${cross_prefix}${nm}"
1133
ranlib="${cross_prefix}${ranlib}"
1134
strip="${cross_prefix}${strip}"
1135

    
1136
# set temporary file name
1137
if test ! -z "$TMPDIR" ; then
1138
    TMPDIR1="${TMPDIR}"
1139
elif test ! -z "$TEMPDIR" ; then
1140
    TMPDIR1="${TEMPDIR}"
1141
else
1142
    TMPDIR1="/tmp"
1143
fi
1144

    
1145
TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1146
TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1147
TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1148
TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1149
TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1150
TMPSH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1151

    
1152
check_cflags -fasm
1153
check_cflags -std=c99
1154

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

    
1220
enable $arch
1221
enabled_any x86_32 x86_64 && enable x86
1222
enabled     sparc64       && enable sparc
1223

    
1224
# OS specific
1225
case $target_os in
1226
    beos|haiku|zeta)
1227
        prefix_default="$HOME/config"
1228
        # helps building libavcodec
1229
        add_cflags "-DPIC -fomit-frame-pointer"
1230
        # 3 gcc releases known for BeOS, each with ugly bugs
1231
        gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1232
        case "$gcc_version" in
1233
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1234
            disable mmx
1235
            ;;
1236
          *20010315*) echo "BeBits gcc"
1237
            add_cflags "-fno-expensive-optimizations"
1238
            ;;
1239
        esac
1240
        SHFLAGS=-nostart
1241
        # enable BeOS things
1242
        enable audio_beos
1243
        # no need for libm, but the inet stuff
1244
        # Check for BONE
1245
        # XXX: actually should check for NOT net_server
1246
        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1247
            network_extralibs="-lbind -lsocket"
1248
        else
1249
            enable beos_netserver
1250
            network_extralibs="-lnet"
1251
        fi ;;
1252
    sunos)
1253
        FFSERVERLDFLAGS=""
1254
        SHFLAGS='-shared -Wl,-h,$$(@F)'
1255
        network_extralibs="-lsocket -lnsl"
1256
        ;;
1257
    netbsd)
1258
        oss_demuxer_extralibs="-lossaudio"
1259
        oss_muxer_extralibs="-lossaudio"
1260
        ;;
1261
    openbsd)
1262
        disable need_memalign
1263
        LIBOBJFLAGS='$(PIC)'
1264
        SHFLAGS='-shared'
1265
        SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF).$(LIBVERSION)'
1266
        SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1267
        SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1268
        oss_demuxer_extralibs="-lossaudio"
1269
        oss_muxer_extralibs="-lossaudio"
1270
        ;;
1271
    freebsd)
1272
        disable need_memalign
1273
        ;;
1274
    bsd/os)
1275
        osextralibs="-lpoll -lgnugetopt"
1276
        strip="strip -d"
1277
        ;;
1278
    darwin)
1279
        disable need_memalign
1280
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1281
        VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
1282
        strip="strip -x"
1283
        FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1284
        SLIBSUF=".dylib"
1285
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1286
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1287
        FFSERVERLDFLAGS=-Wl,-bind_at_load
1288
        objformat="macho"
1289
        enabled x86_64 && objformat="macho64"
1290
        ;;
1291
    mingw32*)
1292
        target_os=mingw32
1293
        LIBTARGET=i386
1294
        if test $arch = x86_64; then
1295
            disable need_memalign
1296
            LIBTARGET=x64
1297
        fi
1298
        shlibdir_default="$bindir_default"
1299
        VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1300
        VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1301
        if enabled swscale; then
1302
            VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1303
            VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1304
        fi
1305
        disable ffserver
1306
        SLIBPREF=""
1307
        SLIBSUF=".dll"
1308
        EXESUF=".exe"
1309
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1310
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1311
        SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1312
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1313
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1314
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1315
        SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1316
        objformat="win32"
1317
        enable dos_paths
1318
        ;;
1319
    cygwin*)
1320
        target_os=cygwin
1321
        shlibdir_default="$bindir_default"
1322
        VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1323
        VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1324
        if enabled swscale; then
1325
            VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1326
            VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1327
        fi
1328
        EXESUF=".exe"
1329
        SLIBPREF="cyg"
1330
        SLIBSUF=".dll"
1331
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1332
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1333
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
1334
        objformat="win32"
1335
        enable dos_paths
1336
        ;;
1337
    *-dos|freedos|opendos)
1338
        disable ffplay ffserver vhook
1339
        disable $INDEV_LIST $OUTDEV_LIST
1340
        network_extralibs="-lsocket"
1341
        EXESUF=".exe"
1342
        objformat="win32"
1343
        enable dos_paths
1344
        ;;
1345
    linux)
1346
        enable dv1394
1347
        ;;
1348
    irix*)
1349
        target_os=irix
1350
        ranlib="echo ignoring ranlib"
1351
        ;;
1352
    os/2*)
1353
        strip="lxlite"
1354
        ln_s="cp -f"
1355
        EXESUF=".exe"
1356
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1357
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1358
        FFSERVERLDFLAGS=""
1359
        LIBSUF="_s.a"
1360
        SLIBPREF=""
1361
        SLIBSUF=".dll"
1362
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1363
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1364
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1365
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1366
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1367
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1368
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1369
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1370
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1371
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1372
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1373
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1374
        disable vhook
1375
        enable dos_paths
1376
        ;;
1377
    interix)
1378
        disable vhook
1379
        ;;
1380

    
1381
    *)
1382
        target_os="${target_os}-UNKNOWN"
1383
        ;;
1384
esac
1385

    
1386
set_default $PATHS_LIST
1387

    
1388
add_extralibs $osextralibs
1389

    
1390
# Combine FFLDFLAGS and the LDFLAGS environment variable.
1391
LDFLAGS="$FFLDFLAGS $LDFLAGS"
1392

    
1393
test -n "$cross_prefix" && enable cross_compile
1394

    
1395
# we need to build at least one lib type
1396
if ! enabled_any static shared; then
1397
    cat <<EOF
1398
At least one library type must be built.
1399
Specify --enable-static to build the static libraries or --enable-shared to
1400
build the shared libraries as well. To only build the shared libraries specify
1401
--disable-static in addition to --enable-shared.
1402
EOF
1403
    exit 1;
1404
fi
1405

    
1406
disabled static && LIBNAME=""
1407

    
1408
if enabled_any libfaad libfaadbin ; then
1409
    if check_header faad.h; then
1410
        check_cc <<EOF
1411
#include <faad.h>
1412
#ifndef FAAD2_VERSION
1413
ok faad1
1414
#endif
1415
int main(void) { return 0; }
1416
EOF
1417
        test $? = 0 && enable libfaad2
1418
    else
1419
        die "FAAD test failed."
1420
    fi
1421
fi
1422

    
1423

    
1424
if ! enabled gpl; then
1425
    die_gpl_disabled(){
1426
        name=$1
1427
        shift
1428
        enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1429
    }
1430
    die_gpl_disabled "The Postprocessing code" postproc
1431
    die_gpl_disabled "libx264"                 libx264
1432
    die_gpl_disabled "libxvidcore"             libxvid
1433
    die_gpl_disabled "FAAD2"                   libfaad2
1434
    die_gpl_disabled "The X11 grabber"         x11grab
1435
    die_gpl_disabled "The software scaler"     swscale
1436
fi
1437

    
1438
if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1439
    die "libamr is nonfree and --enable-nonfree is not specified."
1440
fi
1441

    
1442
check_deps $ARCH_EXT_LIST
1443

    
1444
test -z "$need_memalign" && need_memalign="$mmx"
1445

    
1446
#Darwin CC versions
1447
if test $target_os = darwin; then
1448
    if $cc -v 2>&1 | grep -q xlc; then
1449
        add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1450
    else
1451
        add_cflags "-pipe"
1452
        check_cflags "-force_cpusubtype_ALL"
1453
        check_cflags "-Wno-sign-compare"
1454
        enabled shared || check_cflags -mdynamic-no-pic
1455
    fi
1456
fi
1457

    
1458
disabled optimizations || check_cflags -fomit-frame-pointer
1459

    
1460
# Add processor-specific flags
1461
if test $cpu != "generic"; then
1462
    warn_altivec(){
1463
        $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1464
    }
1465
    case $cpu in
1466
        601|ppc601|PowerPC601)
1467
            add_cflags "-mcpu=601"
1468
            warn_altivec enabled PPC601
1469
        ;;
1470
        603*|ppc603*|PowerPC603*)
1471
            add_cflags "-mcpu=603"
1472
            warn_altivec enabled PPC603
1473
        ;;
1474
        604*|ppc604*|PowerPC604*)
1475
            add_cflags "-mcpu=604"
1476
            warn_altivec enabled PPC604
1477
        ;;
1478
        G3|g3|75*|ppc75*|PowerPC75*)
1479
            add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1480
            warn_altivec enabled PPC75x
1481
        ;;
1482
        G4|g4|745*|ppc745*|PowerPC745*)
1483
            add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1484
            warn_altivec disabled PPC745x
1485
        ;;
1486
        74*|ppc74*|PowerPC74*)
1487
            add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1488
            warn_altivec disabled PPC74xx
1489
        ;;
1490
        G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1491
            add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1492
            warn_altivec disabled PPC970
1493
            enable ppc64
1494
        ;;
1495
        Cell|CELL|cell)
1496
            add_cflags "-mcpu=cell"
1497
            warn_altivec disabled Cell
1498
            enable ppc64
1499
        ;;
1500
        # targets that do NOT support conditional mov (cmov)
1501
        i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1502
            add_cflags "-march=$cpu"
1503
            disable cmov
1504
        ;;
1505
        # targets that do support conditional mov (cmov)
1506
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1507
            add_cflags "-march=$cpu"
1508
            enable cmov
1509
            enable fast_cmov
1510
        ;;
1511
        # targets that do support conditional mov but on which it's slow
1512
        pentium4|pentium4m|prescott|nocona)
1513
            add_cflags "-march=$cpu"
1514
            enable cmov
1515
            disable fast_cmov
1516
        ;;
1517
        sparc64)
1518
            add_cflags "-mcpu=v9"
1519
        ;;
1520
        arm*|cortex*)
1521
            add_cflags "-mcpu=$cpu"
1522
        ;;
1523
        *)
1524
            echo "WARNING: Unknown CPU \"$cpu\", ignored."
1525
        ;;
1526
    esac
1527
fi
1528

    
1529
# make sure we can execute files in $TMPDIR
1530
cat > $TMPSH 2>> $logfile <<EOF
1531
#! /bin/sh
1532
EOF
1533
chmod +x $TMPSH >> $logfile 2>&1
1534
if ! $TMPSH >> $logfile 2>&1; then
1535
    cat <<EOF
1536
Unable to create and execute files in $TMPDIR1.  Set the TMPDIR environment
1537
variable to another directory and make sure that $TMPDIR1 is not mounted
1538
noexec.
1539
EOF
1540
    die "Sanity test failed."
1541
fi
1542
rm $TMPSH
1543

    
1544
# compiler sanity check
1545
check_exec <<EOF
1546
int main(void){ return 0; }
1547
EOF
1548
if test "$?" != 0; then
1549
    echo "$cc is unable to create an executable file."
1550
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
1551
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1552
        echo "Only do this if you know what cross compiling means."
1553
    fi
1554
    die "C compiler test failed."
1555
fi
1556

    
1557
check_cc <<EOF || die "Symbol mangling check failed."
1558
int ff_extern;
1559
EOF
1560
sym=$($nm -P -g $TMPO | grep ff_extern)
1561
extern_prefix=${sym%%ff_extern*}
1562

    
1563
check_asm inline_asm '""'
1564

    
1565
if enabled x86; then
1566
    # check whether EBP is available on x86
1567
    # As 'i' is stored on the stack, this program will crash
1568
    # if the base pointer is used to access it because the
1569
    # base pointer is cleared in the inline assembly code.
1570
    check_exec_crash <<EOF && enable ebp_available
1571
    volatile int i=0;
1572
    asm volatile (
1573
        "xorl %%ebp, %%ebp"
1574
    ::: "%ebp");
1575
    return i;
1576
EOF
1577

    
1578
    # check wether EBX is available on x86
1579
    check_asm ebx_available '"":::"%ebx"'
1580

    
1581
    # check whether binutils is new enough to compile SSSE3/MMX2
1582
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1583
    enabled mmx2  && check_asm mmx2  '"movss %xmm0, %xmm0"'
1584

    
1585
    check_asm bswap '"bswap %%eax" ::: "%eax"'
1586

    
1587
    YASMFLAGS="-f $objformat -DARCH_$(toupper $arch)"
1588
    enabled     x86_64        && append YASMFLAGS "-m amd64"
1589
    enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1590
    case "$objformat" in
1591
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1592
        macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
1593
        *)                    append YASMFLAGS "-DPREFIX"  ;;
1594
    esac
1595
    check_yasm "pabsw xmm0, xmm0" && enable yasm
1596
fi
1597

    
1598
# check for assembler specific support
1599

    
1600
if test $arch = "powerpc"; then
1601
check_cc <<EOF && enable dcbzl
1602
int main(void) {
1603
    register long zero = 0;
1604
    char data[1024];
1605
    asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1606
return 0;
1607
}
1608
EOF
1609
fi
1610

    
1611
# check for SIMD availability
1612

    
1613
# AltiVec flags: The FSF version of GCC differs from the Apple version
1614
if enabled altivec; then
1615
    check_cflags -maltivec -mabi=altivec &&
1616
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1617
        check_cflags -faltivec
1618

    
1619
    # check if our compiler supports Motorola AltiVec C API
1620
    check_cc <<EOF || disable altivec
1621
$inc_altivec_h
1622
int main(void) {
1623
    vector signed int v1, v2, v3;
1624
    v1 = vec_add(v2,v3);
1625
    return 0;
1626
}
1627
EOF
1628

    
1629
    # check if our compiler supports braces for vector declarations
1630
    check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1631
$inc_altivec_h
1632
int main (void) { (vector int) {1}; return 0; }
1633
EOF
1634
fi
1635

    
1636
# We have to check if pld is a nop and disable it.
1637
enabled armv4l  && check_asm pld     '"pld [r0]"'
1638
enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1639
enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
1640
enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
1641
enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
1642
enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
1643
enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
1644
enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1645

    
1646
enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1647

    
1648
# ---
1649
# big/little-endian test
1650
check_cc <<EOF || die "endian test failed"
1651
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1652
EOF
1653
od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1654

    
1655
# ---
1656
# check availability of some header files
1657

    
1658
if check_func dlopen; then
1659
    ldl=
1660
elif check_func dlopen -ldl; then
1661
    ldl=-ldl
1662
fi
1663

    
1664
check_func  fork
1665
check_func  gethrtime
1666
check_func  getrusage
1667
check_func  inet_aton $network_extralibs
1668
check_func  memalign
1669
check_func  mkstemp
1670
check_func_headers windows.h GetProcessTimes
1671

    
1672
check_header conio.h
1673
check_header dlfcn.h
1674
check_header malloc.h
1675
check_header poll.h
1676
check_header sys/mman.h
1677
check_header sys/resource.h
1678
check_header sys/select.h
1679
check_header termios.h
1680

    
1681
if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1682
    die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1683
fi
1684

    
1685
enabled  zlib && check_lib  zlib.h      zlibVersion -lz   || disable  zlib
1686
enabled bzlib && check_lib bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1687

    
1688
# check for some common methods of building with pthread support
1689
# do this before the optional library checks as some of them require pthreads
1690
if enabled pthreads; then
1691
    if check_func pthread_create; then
1692
        :
1693
    elif check_func pthread_create -pthread; then
1694
        add_cflags -pthread
1695
        add_extralibs -pthread
1696
    elif check_func pthread_create -pthreads; then
1697
        add_cflags -pthreads
1698
        add_extralibs -pthreads
1699
    elif check_func pthread_create -lpthreadGC2; then
1700
        add_extralibs -lpthreadGC2
1701
    elif ! check_lib pthread.h pthread_create -lpthread; then
1702
        die "ERROR: can't find pthreads library"
1703
    fi
1704
fi
1705

    
1706
for thread in $THREADS_LIST; do
1707
    if enabled $thread; then
1708
        test -n "$thread_type" &&
1709
            die "ERROR: Only one thread type must be selected." ||
1710
            thread_type="$thread"
1711
    fi
1712
done
1713

    
1714
check_lib math.h sin -lm
1715

    
1716
# test for C99 functions in math.h
1717
for func in llrint lrint lrintf round roundf; do
1718
    check_exec <<EOF && enable $func || disable $func
1719
#include <math.h>
1720
int main(void) { return ($func(3.999f) > 0)?0:1; }
1721
EOF
1722
done
1723

    
1724
# these are off by default, so fail if requested and not available
1725
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1726
enabled libamr_nb  && require  libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1727
enabled libamr_wb  && require  libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1728
enabled libdirac   && add_cflags "$(pkg-config --cflags dirac)" \
1729
                   && require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder \
1730
                   && require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
1731
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1732
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
1733
enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
1734
enabled libmp3lame && require  LAME lame/lame.h lame_init -lmp3lame -lm
1735
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
1736
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) \
1737
                        && require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
1738
enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
1739
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1740
enabled libx264    && require  x264 x264.h x264_encoder_open -lx264 -lm \
1741
                   && require_cpp_condition x264 x264.h "X264_BUILD >= 65"
1742
enabled libxvid    && require  Xvid xvid.h xvid_global -lxvidcore
1743
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1744

    
1745
# libdc1394 check
1746
if enabled libdc1394; then
1747
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1748
        enable libdc1394_2; } ||
1749
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1750
        enable libdc1394_1; } ||
1751
    die "ERROR: No version of libdc1394 found "
1752
fi
1753

    
1754

    
1755
_restrict=
1756
for restrict_keyword in restrict __restrict__ __restrict; do
1757
    check_cc <<EOF && _restrict=$restrict_keyword && break
1758
void foo(char * $restrict_keyword p);
1759
EOF
1760
done
1761

    
1762
test "$vhook" = "default" && vhook="$dlopen"
1763

    
1764
if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
1765
    disable vhook
1766
    echo
1767
    echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1768
    echo "Patches welcome."
1769
    echo
1770
fi
1771

    
1772
if enabled vhook; then
1773
    check_ldflags -rdynamic
1774
    check_ldflags -export-dynamic
1775
fi
1776

    
1777
check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1778
check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1779

    
1780
##########################################
1781
# SDL check
1782

    
1783
disable sdl_too_old
1784
disable sdl
1785
SDL_CONFIG="${cross_prefix}sdl-config"
1786
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
1787
    sdl_cflags=`"${SDL_CONFIG}" --cflags`
1788
    temp_cflags $sdl_cflags
1789
    temp_extralibs `"${SDL_CONFIG}" --libs`
1790
    if check_lib2 SDL.h SDL_Init; then
1791
        _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1792
        if test "$_sdlversion" -lt 121 ; then
1793
            enable sdl_too_old
1794
        else
1795
            enable sdl
1796
            check_cc $sdl_cflags <<EOF && enable sdl_video_size
1797
#include <SDL.h>
1798
int main(int argc, char **argv){
1799
    const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1800
    int w = vi->current_w;
1801
    return 0;
1802
}
1803
EOF
1804
        fi
1805
    fi
1806
    restore_flags
1807
fi
1808

    
1809
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
1810

    
1811
##########################################
1812
# Network check
1813

    
1814
if enabled network; then
1815
    check_type sys/socket.h socklen_t
1816
    # Prefer arpa/inet.h over winsock2
1817
    if check_header arpa/inet.h ; then
1818
        check_func closesocket
1819
    elif check_header winsock2.h ; then
1820
        network_extralibs="-lws2_32"
1821
        check_type ws2tcpip.h socklen_t
1822
        check_func_headers winsock2.h closesocket
1823
    fi
1824
fi
1825

    
1826
##########################################
1827
# IPv6 check
1828

    
1829
enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
1830
#include <sys/types.h>
1831
#include <sys/socket.h>
1832
#include <netinet/in.h>
1833
#include <netdb.h>
1834
int main(void) {
1835
    struct sockaddr_storage saddr;
1836
    struct ipv6_mreq mreq6;
1837
    getaddrinfo(0,0,0,0);
1838
    getnameinfo(0,0,0,0,0,0,0);
1839
    IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1840
}
1841
EOF
1842

    
1843
check_header linux/videodev.h
1844
check_header linux/videodev2.h
1845
check_header sys/videoio.h
1846

    
1847
check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
1848

    
1849
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1850
{ check_header dev/bktr/ioctl_meteor.h &&
1851
  check_header dev/bktr/ioctl_bt848.h; } ||
1852
{ check_header machine/ioctl_meteor.h &&
1853
  check_header machine/ioctl_bt848.h; } ||
1854
{ check_header dev/video/meteor/ioctl_meteor.h &&
1855
  check_header dev/video/bktr/ioctl_bt848.h; } ||
1856
check_header dev/ic/bt8xx.h
1857

    
1858
check_header sys/soundcard.h
1859
check_header soundcard.h
1860

    
1861
# deal with the X11 frame grabber
1862
enabled x11grab                         &&
1863
check_header X11/Xlib.h                 &&
1864
check_header X11/extensions/XShm.h      &&
1865
check_func XOpenDisplay -lX11           &&
1866
check_func XShmCreateImage -lX11 -lXext
1867

    
1868
enabled debug && add_cflags -g"$debuglevel"
1869

    
1870
# add some useful compiler flags if supported
1871
check_cflags -Wdeclaration-after-statement
1872
check_cflags -Wall
1873
check_cflags -Wno-switch
1874
check_cflags -Wdisabled-optimization
1875
check_cflags -Wpointer-arith
1876
check_cflags -Wredundant-decls
1877
check_cflags -Wno-pointer-sign
1878
check_cflags -Wcast-qual
1879
check_cflags -Wwrite-strings
1880
check_cflags -Wtype-limits
1881
enabled extra_warnings && check_cflags -Winline
1882

    
1883
# add some linker flags
1884
check_ldflags -Wl,--warn-common
1885
check_ldflags -Wl,--as-needed
1886
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'
1887
check_ldflags -Wl,-Bsymbolic
1888

    
1889
if enabled small; then
1890
    check_cflags -Os            # not all compilers support -Os
1891
    optimizations="small"
1892
elif enabled optimizations; then
1893
    if $cc -v 2>&1 | grep -q xlc; then
1894
        add_cflags  "-O5"
1895
        add_ldflags "-O5"
1896
    else
1897
        add_cflags "-O3"
1898
    fi
1899
fi
1900
check_cflags -fno-math-errno
1901
check_cflags -fno-signed-zeros
1902

    
1903
# add some flags for Intel C Compiler
1904
if $cc --version 2> /dev/null | grep -q Intel; then
1905
  # Just warnings, no remarks
1906
  check_cflags -w1
1907
  # -wd: Disable following warnings
1908
  # 144, 167, 556: -Wno-pointer-sign
1909
  # 10006: ignoring unknown option -fno-signed-zeros
1910
  # 10156: ignoring option '-W'; no argument required
1911
  check_cflags -wd144,167,556,10006,10156
1912
  # 11030: Warning unknown option --as-needed
1913
  # 10156: ignoring option '-export'; no argument required
1914
  check_ldflags -wd10156,11030
1915
  # Allow to compile with optimizations
1916
  check_ldflags -march=$cpu
1917
fi
1918

    
1919
# PIC flags for shared library objects where they are needed
1920
if enabled shared; then
1921
    # LIBOBJFLAGS may have already been set in the OS configuration
1922
    if test -z "$LIBOBJFLAGS" ; then
1923
        case "$arch" in
1924
            x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
1925
        esac
1926
    fi
1927
fi
1928

    
1929
if enabled gprof; then
1930
    add_cflags  "-p"
1931
    add_ldflags "-p"
1932
fi
1933

    
1934
VHOOKCFLAGS="-fPIC"
1935

    
1936
# Find out if the .align argument is a power of two or not.
1937
if test $asmalign_pot = "unknown"; then
1938
    disable asmalign_pot
1939
    echo 'asm (".align 3");' | check_cc && enable asmalign_pot
1940
fi
1941

    
1942
enabled_any $DECODER_LIST      && enable decoders
1943
enabled_any $ENCODER_LIST      && enable encoders
1944
enabled_any $BSF_LIST          && enable bsfs
1945
enabled_any $DEMUXER_LIST      && enable demuxers
1946
enabled_any $MUXER_LIST        && enable muxers
1947
enabled_any $FILTER_LIST       && enable filters
1948
enabled_any $INDEV_LIST        && enable demuxers
1949
enabled_any $OUTDEV_LIST       && enable muxers
1950
enabled_any $PROTOCOL_LIST     && enable protocols
1951

    
1952
enabled_any $THREADS_LIST      && enable threads
1953

    
1954
check_deps $CONFIG_LIST       \
1955
           $HAVE_LIST         \
1956
           $DECODER_LIST      \
1957
           $ENCODER_LIST      \
1958
           $PARSER_LIST       \
1959
           $BSF_LIST          \
1960
           $DEMUXER_LIST      \
1961
           $MUXER_LIST        \
1962
           $FILTER_LIST       \
1963
           $INDEV_LIST        \
1964
           $OUTDEV_LIST       \
1965
           $PROTOCOL_LIST     \
1966

    
1967
enabled libdc1394 && append pkg_requires "libraw1394"
1968
enabled libdirac  && append pkg_requires "dirac"
1969
enabled libtheora && append pkg_requires "theora"
1970
enabled libvorbis && append pkg_requires "vorbisenc"
1971

    
1972
echo "install prefix            $prefix"
1973
echo "source path               $source_path"
1974
echo "C compiler                $cc"
1975
echo ".align is power-of-two    $asmalign_pot"
1976
echo "ARCH                      $arch ($cpu)"
1977
if test "$build_suffix" != ""; then
1978
    echo "build suffix              $build_suffix"
1979
fi
1980
if test "$extra_version" != ""; then
1981
    echo "version string suffix     $extra_version"
1982
fi
1983
echo "big-endian                ${bigendian-no}"
1984
if test $arch = "x86_32" -o $arch = "x86_64"; then
1985
    echo "yasm                      ${yasm-no}"
1986
    echo "MMX enabled               ${mmx-no}"
1987
    echo "CMOV enabled              ${cmov-no}"
1988
    echo "CMOV is fast              ${fast_cmov-no}"
1989
    echo "EBX available             ${ebx_available-no}"
1990
    echo "EBP available             ${ebp_available-no}"
1991
fi
1992
if test $arch = "armv4l"; then
1993
    echo "ARMv5TE enabled           ${armv5te-no}"
1994
    echo "ARMv6 enabled             ${armv6-no}"
1995
    echo "ARM VFP enabled           ${armvfp-no}"
1996
    echo "IWMMXT enabled            ${iwmmxt-no}"
1997
    echo "NEON enabled              ${neon-no}"
1998
fi
1999
if test $arch = "mips"; then
2000
    echo "MMI enabled               ${mmi-no}"
2001
fi
2002
if test $arch = "powerpc"; then
2003
    echo "AltiVec enabled           ${altivec-no}"
2004
    echo "dcbzl available           ${dcbzl-no}"
2005
fi
2006
echo "gprof enabled             ${gprof-no}"
2007
echo "debug symbols             ${debug-no}"
2008
echo "strip symbols             ${stripping-no}"
2009
echo "optimizations             ${optimizations-no}"
2010
echo "static                    ${static-no}"
2011
echo "shared                    ${shared-no}"
2012
echo "postprocessing support    ${postproc-no}"
2013
echo "software scaler enabled   ${swscale-no}"
2014
echo "new filter support        ${avfilter-no}"
2015
echo "filters using lavformat   ${avfilter_lavf-no}"
2016
echo "video hooking             ${vhook-no}"
2017
if enabled vhook; then
2018
    echo "Imlib2 support            ${imlib2-no}"
2019
    echo "FreeType support          ${freetype2-no}"
2020
fi
2021
echo "network support           ${network-no}"
2022
if enabled network; then
2023
    echo "IPv6 support              ${ipv6-no}"
2024
fi
2025
echo "threading support         ${thread_type-no}"
2026
echo "SDL support               ${sdl-no}"
2027
if enabled sdl_too_old; then
2028
    echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2029
fi
2030
echo "Sun medialib support      ${mlib-no}"
2031
echo "AVISynth enabled          ${avisynth-no}"
2032
echo "libamr-nb support         ${libamr_nb-no}"
2033
echo "libamr-wb support         ${libamr_wb-no}"
2034
echo "libdc1394 support         ${libdc1394-no}"
2035
echo "libdirac enabled          ${libdirac-no}"
2036
echo "libfaac enabled           ${libfaac-no}"
2037
echo "libfaad enabled           ${libfaad-no}"
2038
echo "libfaad dlopened          ${libfaadbin-no}"
2039
echo "libgsm enabled            ${libgsm-no}"
2040
echo "libmp3lame enabled        ${libmp3lame-no}"
2041
echo "libnut enabled            ${libnut-no}"
2042
echo "libschroedinger enabled   ${libschroedinger-no}"
2043
echo "libtheora enabled         ${libtheora-no}"
2044
echo "libvorbis enabled         ${libvorbis-no}"
2045
echo "libx264 enabled           ${libx264-no}"
2046
echo "libxvid enabled           ${libxvid-no}"
2047
echo "zlib enabled              ${zlib-no}"
2048
echo "bzlib enabled             ${bzlib-no}"
2049
echo
2050

    
2051
for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
2052
    echo "Enabled ${type}s:"
2053
    eval list=\$$(toupper $type)_LIST
2054
    for part in $list; do
2055
        enabled $part && echo ${part%_*}
2056
    done | sort | pr -3 -t
2057
    echo
2058
done
2059

    
2060
license="LGPL"
2061
if enabled nonfree; then
2062
    license="unredistributable"
2063
elif enabled gpl; then
2064
    license="GPL"
2065
fi
2066

    
2067
echo "License: $license"
2068

    
2069
echo "Creating config.mak and config.h..."
2070

    
2071
echo "# Automatically generated by configure - do not modify!" > config.mak
2072
echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2073
echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2074
echo "#define FFMPEG_CONFIG_H" >> $TMPH
2075
echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2076

    
2077
echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2078
echo "prefix=$prefix" >> config.mak
2079
echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2080
echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2081
echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2082
echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2083
echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2084
echo "CC=$cc" >> config.mak
2085
echo "YASM=$yasmexe" >> config.mak
2086
echo "AR=$ar" >> config.mak
2087
echo "RANLIB=$ranlib" >> config.mak
2088
echo "LN_S=$ln_s" >> config.mak
2089
enabled stripping &&
2090
    echo "STRIP=$strip" >> config.mak ||
2091
    echo "STRIP=echo ignoring strip" >> config.mak
2092

    
2093
echo "OPTFLAGS=$CFLAGS" >> config.mak
2094
echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
2095
echo "LDFLAGS=$LDFLAGS" >> config.mak
2096
echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2097
echo "SHFLAGS=$SHFLAGS" >> config.mak
2098
echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2099
echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
2100
echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
2101
echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2102
echo "BUILD_STATIC=$static" >> config.mak
2103
echo "BUILDSUF=$build_suffix" >> config.mak
2104
echo "FULLNAME=$FULLNAME" >> config.mak
2105
echo "LIBPREF=$LIBPREF" >> config.mak
2106
echo "LIBSUF=$LIBSUF" >> config.mak
2107
echo "LIBNAME=$LIBNAME" >> config.mak
2108
echo "SLIBPREF=$SLIBPREF" >> config.mak
2109
echo "SLIBSUF=$SLIBSUF" >> config.mak
2110
echo "EXESUF=$EXESUF" >> config.mak
2111
echo "EXTRA_VERSION=$extra_version" >> config.mak
2112
echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2113

    
2114
if enabled bigendian; then
2115
    echo "WORDS_BIGENDIAN=yes" >> config.mak
2116
    echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2117
fi
2118

    
2119
if enabled sdl; then
2120
    echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2121
    echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2122
fi
2123
if enabled texi2html; then
2124
    echo "BUILD_DOC=yes" >> config.mak
2125
fi
2126

    
2127
get_version(){
2128
    name=$1
2129
    file=$source_path/$2
2130
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2131
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2132
    lcname=$(tolower $name)
2133
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2134
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2135
}
2136

    
2137
get_version LIBSWSCALE  libswscale/swscale.h
2138
get_version LIBPOSTPROC libpostproc/postprocess.h
2139
get_version LIBAVCODEC  libavcodec/avcodec.h
2140
get_version LIBAVDEVICE libavdevice/avdevice.h
2141
get_version LIBAVFORMAT libavformat/avformat.h
2142
get_version LIBAVUTIL   libavutil/avutil.h
2143
get_version LIBAVFILTER libavfilter/avfilter.h
2144

    
2145
if enabled shared; then
2146
    echo "BUILD_SHARED=yes" >> config.mak
2147
    echo "PIC=-fPIC -DPIC" >> config.mak
2148
    echo "LIBTARGET=${LIBTARGET}" >> config.mak
2149
    echo "SLIBNAME=${SLIBNAME}" >> config.mak
2150
    echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2151
    echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2152
    echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2153
    echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2154
    echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2155
    echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2156
fi
2157
echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2158
echo "EXTRALIBS=$extralibs" >> config.mak
2159

    
2160
print_config ARCH_   $TMPH config.mak $ARCH_LIST
2161
print_config HAVE_   $TMPH config.mak $HAVE_LIST
2162
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2163
                                      $DECODER_LIST      \
2164
                                      $ENCODER_LIST      \
2165
                                      $PARSER_LIST       \
2166
                                      $BSF_LIST          \
2167
                                      $DEMUXER_LIST      \
2168
                                      $MUXER_LIST        \
2169
                                      $FILTER_LIST       \
2170
                                      $PROTOCOL_LIST     \
2171
                                      $INDEV_LIST        \
2172
                                      $OUTDEV_LIST       \
2173

    
2174
echo "#define restrict $_restrict" >> $TMPH
2175

    
2176
if enabled small; then
2177
    echo "#define av_always_inline"  >> $TMPH
2178
fi
2179

    
2180
echo "SRC_PATH=\"$source_path\"" >> config.mak
2181
echo "SRC_PATH_BARE=$source_path" >> config.mak
2182
echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2183

    
2184
# Apparently it's not possible to portably echo a backslash.
2185
enabled asmalign_pot &&
2186
    printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2187
    printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2188

    
2189
echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2190

    
2191
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2192

    
2193
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2194
cmp -s $TMPH config.h &&
2195
    echo "config.h is unchanged" ||
2196
    mv -f $TMPH config.h
2197

    
2198
rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
2199

    
2200
# build tree in object directory if source path is different from current one
2201
if enabled source_path_used; then
2202
    DIRS="\
2203
        doc               \
2204
        libavcodec        \
2205
        libavcodec/alpha  \
2206
        libavcodec/armv4l \
2207
        libavcodec/bfin   \
2208
        libavcodec/i386   \
2209
        libavcodec/mlib   \
2210
        libavcodec/ppc    \
2211
        libavcodec/sh4    \
2212
        libavcodec/sparc  \
2213
        libavdevice       \
2214
        libavfilter       \
2215
        libavformat       \
2216
        libavutil         \
2217
        libpostproc       \
2218
        libswscale        \
2219
        tests             \
2220
        tools             \
2221
        vhook             \
2222
        "
2223
    FILES="\
2224
        Makefile             \
2225
        common.mak           \
2226
        subdir.mak           \
2227
        doc/texi2pod.pl      \
2228
        libavcodec/Makefile  \
2229
        libavdevice/Makefile \
2230
        libavfilter/Makefile \
2231
        libavformat/Makefile \
2232
        libavutil/Makefile   \
2233
        libpostproc/Makefile \
2234
        libswscale/Makefile  \
2235
        "
2236
    for dir in $DIRS ; do
2237
        mkdir -p $dir
2238
    done
2239
    for f in $FILES ; do
2240
        $ln_s "$source_path/$f" $f
2241
    done
2242
fi
2243

    
2244

    
2245
# build pkg-config files
2246

    
2247
pkgconfig_generate(){
2248
name=$1
2249
shortname=${name#lib}
2250
comment=$2
2251
version=$3
2252
libs=$4
2253
requires=$5
2254
cat <<EOF > $name/$name.pc
2255
prefix=$prefix
2256
exec_prefix=\${prefix}
2257
libdir=$libdir
2258
includedir=$incdir
2259

    
2260
Name: $name
2261
Description: $comment
2262
Version: $version
2263
Requires: $(disabled shared && echo $requires)
2264
Requires.private: $(enabled shared && echo $requires)
2265
Conflicts:
2266
Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2267
Libs.private: $(enabled shared && echo $libs)
2268
Cflags: -I\${includedir}
2269
EOF
2270
cat <<EOF > $name/$name-uninstalled.pc
2271
prefix=
2272
exec_prefix=
2273
libdir=\${pcfiledir}
2274
includedir=${source_path}
2275

    
2276
Name: $name
2277
Description: $comment
2278
Version: $version
2279
Requires: $requires
2280
Conflicts:
2281
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2282
Cflags: -I\${includedir}
2283
EOF
2284
}
2285

    
2286
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2287
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2288
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2289
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
2290
enabled avfilter &&
2291
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2292
enabled postproc &&
2293
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2294
if enabled swscale; then
2295
    pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2296
else
2297
    pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2298
    apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
2299
fi