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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 ""
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 "$@"
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    cat <<EOF
216
If you think configure made a mistake, make sure you are using the latest
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version from SVN.  If the latest version fails, report the problem to the
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ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
219
EOF
220
    if disabled logging; then
221
        cat <<EOF
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Rerun configure with logging enabled (do not use --disable-logging), and
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include the log this produces with your report.
224
EOF
225
    else
226
cat <<EOF
227
Include the log file "$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
    byteswap_h
767
    closesocket
768
    cmov
769
    conio_h
770
    dcbzl
771
    dev_bktr_ioctl_bt848_h
772
    dev_bktr_ioctl_meteor_h
773
    dev_ic_bt8xx_h
774
    dev_video_meteor_ioctl_meteor_h
775
    dev_video_bktr_ioctl_bt848_h
776
    dlfcn_h
777
    dlopen
778
    dos_paths
779
    ebp_available
780
    ebx_available
781
    fast_64bit
782
    fast_cmov
783
    fast_unaligned
784
    fork
785
    freetype2
786
    gethrtime
787
    GetProcessTimes
788
    getrusage
789
    imlib2
790
    inet_aton
791
    inline_asm
792
    libdc1394_1
793
    libdc1394_2
794
    llrint
795
    lrint
796
    lrintf
797
    machine_ioctl_bt848_h
798
    machine_ioctl_meteor_h
799
    malloc_h
800
    memalign
801
    mkstemp
802
    pld
803
    ppc64
804
    round
805
    roundf
806
    sdl
807
    sdl_video_size
808
    socklen_t
809
    soundcard_h
810
    poll_h
811
    sys_mman_h
812
    sys_resource_h
813
    sys_select_h
814
    sys_soundcard_h
815
    sys_videoio_h
816
    termios_h
817
    threads
818
    winsock2_h
819
    yasm
820
"
821

    
822
CMDLINE_SELECT="
823
    $ARCH_EXT_LIST
824
    $CONFIG_LIST
825
    $THREADS_LIST
826
    cross_compile
827
    debug
828
    extra_warnings
829
    logging
830
    optimizations
831
    shared
832
    static
833
    stripping
834
"
835

    
836
PATHS_LIST='
837
    bindir
838
    incdir
839
    libdir
840
    mandir
841
    prefix
842
    shlibdir
843
'
844

    
845
CMDLINE_SET="
846
    $PATHS_LIST
847
    arch
848
    build_suffix
849
    cc
850
    cpu
851
    cross_prefix
852
    extra_version
853
    logfile
854
    source_path
855
    target_os
856
"
857

    
858
# code dependency declarations
859

    
860
# architecture extensions
861
altivec_deps="powerpc"
862
armv5te_deps="armv4l"
863
armv6_deps="armv4l"
864
armvfp_deps="armv4l"
865
iwmmxt_deps="armv4l"
866
mmi_deps="mips"
867
mmx_deps="x86"
868
mmx2_deps="x86 mmx"
869
neon_deps="armv4l"
870
ssse3_deps="x86"
871
vis_deps="sparc"
872

    
873
# system headers and functions
874
byteswap_h_deps="!armv4l"
875

    
876
# decoders / encoders
877
ac3_decoder_deps="gpl"
878
dxa_decoder_deps="zlib"
879
eac3_decoder_deps="gpl"
880
flashsv_decoder_deps="zlib"
881
flashsv_encoder_deps="zlib"
882
mlp_decoder_deps="mlp_parser"
883
mpeg_xvmc_decoder_deps="xvmc"
884
png_decoder_deps="zlib"
885
png_encoder_deps="zlib"
886
zmbv_decoder_deps="zlib"
887
zmbv_encoder_deps="zlib"
888

    
889
# external libraries
890
libamr_nb_decoder_deps="libamr_nb"
891
libamr_nb_encoder_deps="libamr_nb"
892
libamr_wb_decoder_deps="libamr_wb"
893
libamr_wb_encoder_deps="libamr_wb"
894
libdirac_decoder_deps="libdirac !libschroedinger"
895
libdirac_encoder_deps="libdirac"
896
libfaac_encoder_deps="libfaac"
897
libfaad_decoder_deps="libfaad"
898
libfaadbin_decoder_extralibs='$ldl'
899
libgsm_decoder_deps="libgsm"
900
libgsm_encoder_deps="libgsm"
901
libgsm_ms_decoder_deps="libgsm"
902
libgsm_ms_encoder_deps="libgsm"
903
libmp3lame_encoder_deps="libmp3lame"
904
libschroedinger_decoder_deps="libschroedinger"
905
libschroedinger_encoder_deps="libschroedinger"
906
libtheora_encoder_deps="libtheora"
907
libvorbis_encoder_deps="libvorbis"
908
libx264_encoder_deps="libx264"
909
libxvid_encoder_deps="libxvid"
910
mpeg4aac_decoder_deps="libfaad"
911

    
912
# demuxers / muxers
913
ac3_demuxer_deps="ac3_parser"
914
audio_beos_demuxer_deps="audio_beos"
915
audio_beos_demuxer_extralibs="-lmedia -lbe"
916
audio_beos_muxer_deps="audio_beos"
917
audio_beos_muxer_extralibs="-lmedia -lbe"
918
avisynth_demuxer_deps="avisynth"
919
bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
920
dirac_demuxer_deps="dirac_parser"
921
dv1394_demuxer_deps="dv1394 dv_demuxer"
922
libdc1394_demuxer_deps="libdc1394"
923
libnut_demuxer_deps="libnut"
924
libnut_muxer_deps="libnut"
925
mp3_demuxer_deps="mpegaudio_parser"
926
oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
927
oss_muxer_deps_any="soundcard_h sys_soundcard_h"
928
redir_demuxer_deps="network"
929
rtp_muxer_deps="network rtp_protocol"
930
rtsp_demuxer_deps="sdp_demuxer"
931
sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
932
v4l_demuxer_deps="linux_videodev_h"
933
v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
934
vfwcap_demuxer_deps="capCreateCaptureWindow"
935
vfwcap_demuxer_extralibs="-lvfw32"
936
x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
937
x11_grab_device_demuxer_extralibs="-lX11 -lXext"
938

    
939
# protocols
940
http_protocol_deps="network"
941
rtp_protocol_deps="udp_protocol"
942
tcp_protocol_deps="network"
943
udp_protocol_deps="network"
944

    
945
# filters
946
movie_filter_deps="avfilter_lavf"
947

    
948
# programs
949
ffplay_deps="sdl"
950
ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
951
ffserver_extralibs='$ldl'
952
vhook_extralibs='$ldl'
953

    
954

    
955
# default parameters
956

    
957
logfile="config.err"
958

    
959
# installation paths
960
prefix_default="/usr/local"
961
bindir_default='${prefix}/bin'
962
incdir_default='${prefix}/include'
963
libdir_default='${prefix}/lib'
964
mandir_default='${prefix}/share/man'
965
shlibdir_default="$libdir_default"
966

    
967
# toolchain
968
cc="gcc"
969
yasmexe="yasm"
970
ar="ar"
971
nm="nm"
972
ranlib="ranlib"
973
strip="strip"
974
asmalign_pot="unknown"
975
ln_s="ln -sf"
976
objformat="elf"
977

    
978
# machine
979
arch=`uname -m`
980
cpu="generic"
981

    
982
# OS
983
target_os=$(tolower $(uname -s))
984

    
985
# libraries
986
enable bzlib
987
enable zlib
988

    
989
# configurable options
990
enable debug
991
enable ffmpeg
992
enable ffplay
993
enable ffserver
994
enable ipv6
995
enable mpegaudio_hp
996
enable network
997
enable optimizations
998
enable protocols
999
enable static
1000
enable stripping
1001
vhook="default"
1002

    
1003
# build settings
1004
add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1005
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1006
VHOOKSHFLAGS='$(SHFLAGS)'
1007
FFSERVERLDFLAGS=-Wl,-E
1008
LIBPREF="lib"
1009
LIBSUF=".a"
1010
FULLNAME='$(NAME)$(BUILDSUF)'
1011
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1012
SLIBPREF="lib"
1013
SLIBSUF=".so"
1014
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1015
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1016
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1017
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1018

    
1019
# gcc stupidly only outputs the basename of targets with -MM, but we need the
1020
# full relative path for objects in subdirectories for non-recursive Make.
1021
DEPEND_CMD='$(CC) $(CFLAGS) -MM -MG -MT $@ $<'
1022

    
1023
# find source path
1024
source_path="`dirname \"$0\"`"
1025
enable source_path_used
1026
if test -z "$source_path" -o "$source_path" = "." ; then
1027
    source_path="`pwd`"
1028
    disable source_path_used
1029
else
1030
    source_path="`cd \"$source_path\"; pwd`"
1031
    echo "$source_path" | grep -q '[[:blank:]]' &&
1032
        die "Out of tree builds are impossible with whitespace in source path."
1033
fi
1034

    
1035
FFMPEG_CONFIGURATION="$@"
1036

    
1037
find_things(){
1038
    thing=$1
1039
    pattern=$2
1040
    file=$source_path/$3
1041
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1042
}
1043

    
1044
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1045
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1046
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1047
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1048
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1049
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1050
OUTDEV_LIST=$(find_things   muxer    _MUX     libavdevice/alldevices.c)
1051
INDEV_LIST=$(find_things    demuxer  DEMUX    libavdevice/alldevices.c)
1052
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1053
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1054

    
1055
enable $ARCH_EXT_LIST \
1056
       $DECODER_LIST \
1057
       $ENCODER_LIST \
1058
       $PARSER_LIST \
1059
       $BSF_LIST \
1060
       $DEMUXER_LIST \
1061
       $MUXER_LIST \
1062
       $FILTER_LIST \
1063
       $PROTOCOL_LIST \
1064
       $INDEV_LIST \
1065
       $OUTDEV_LIST \
1066

    
1067
die_unknown(){
1068
    echo "Unknown option \"$1\"."
1069
    echo "See $0 --help for available options."
1070
    exit 1
1071
}
1072

    
1073
show_list() {
1074
    suffix=_$1
1075
    shift
1076
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1077
    exit 0
1078
}
1079

    
1080
for opt do
1081
    optval="${opt#*=}"
1082
    case "$opt" in
1083
    --extra-cflags=*) add_cflags "$optval"
1084
    ;;
1085
    --extra-ldflags=*) add_ldflags "$optval"
1086
    ;;
1087
    --extra-libs=*) add_extralibs "$optval"
1088
    ;;
1089
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1090
    ;;
1091
    --enable-debug=*) debuglevel="$optval"
1092
    ;;
1093
    --enable-*=*|--disable-*=*)
1094
    eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1095
    case "$thing" in
1096
        encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1097
        *) die_unknown "$opt" ;;
1098
    esac
1099
    ;;
1100
    --enable-?*|--disable-?*)
1101
    eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1102
    if is_in $option $COMPONENT_LIST; then
1103
        eval $action \$$(toupper ${option%s})_LIST
1104
    elif is_in $option $CMDLINE_SELECT; then
1105
        $action $option
1106
    else
1107
        die_unknown $opt
1108
    fi
1109
    ;;
1110
    --list-*)
1111
        NAME="${opt#--list-}"
1112
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1113
        NAME=${NAME%s}
1114
        eval show_list $NAME \$$(toupper $NAME)_LIST
1115
    ;;
1116
    --help|-h) show_help
1117
    ;;
1118
    *)
1119
    optname="${opt%=*}"
1120
    optname="${optname#--}"
1121
    optname=$(echo "$optname" | sed 's/-/_/g')
1122
    is_in $optname $CMDLINE_SET || die_unknown $opt
1123
    eval $optname='$optval'
1124
    ;;
1125
    esac
1126
done
1127

    
1128
disabled logging && logfile=/dev/null
1129

    
1130
echo "# $0 $@" > $logfile
1131
set >> $logfile
1132

    
1133
cc="${cross_prefix}${cc}"
1134
yasmexe="${cross_prefix}${yasmexe}"
1135
ar="${cross_prefix}${ar}"
1136
nm="${cross_prefix}${nm}"
1137
ranlib="${cross_prefix}${ranlib}"
1138
strip="${cross_prefix}${strip}"
1139

    
1140
# set temporary file name
1141
if test ! -z "$TMPDIR" ; then
1142
    TMPDIR1="${TMPDIR}"
1143
elif test ! -z "$TEMPDIR" ; then
1144
    TMPDIR1="${TEMPDIR}"
1145
else
1146
    TMPDIR1="/tmp"
1147
fi
1148

    
1149
TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1150
TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1151
TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1152
TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1153
TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1154
TMPSH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1155

    
1156
check_cflags -fasm
1157
check_cflags -std=c99
1158

    
1159
case "$arch" in
1160
    i386|i486|i586|i686|i86pc|BePC)
1161
        arch="x86_32"
1162
        enable fast_unaligned
1163
    ;;
1164
    x86_64|amd64)
1165
        arch="x86_32"
1166
        enable fast_unaligned
1167
        check_cc <<EOF && enable fast_64bit && arch="x86_64"
1168
        int test[sizeof(char*) - 7];
1169
EOF
1170
    ;;
1171
    # armv4l is a subset of armv[567]*l
1172
    arm|armv[4567]*l)
1173
        arch="armv4l"
1174
    ;;
1175
    alpha)
1176
        arch="alpha"
1177
        enable fast_64bit
1178
    ;;
1179
    "Power Macintosh"|ppc|powerpc)
1180
        arch="powerpc"
1181
    ;;
1182
    ppc64)
1183
        arch="powerpc"
1184
        enable fast_64bit
1185
    ;;
1186
    mips|mipsel|IP*)
1187
        arch="mips"
1188
    ;;
1189
    sun4u|sparc64)
1190
        arch="sparc64"
1191
        enable fast_64bit
1192
    ;;
1193
    sparc)
1194
        arch="sparc"
1195
    ;;
1196
    sh4)
1197
        arch="sh4"
1198
    ;;
1199
    parisc)
1200
        arch="parisc"
1201
    ;;
1202
    parisc64)
1203
        arch="parisc"
1204
        enable fast_64bit
1205
    ;;
1206
    s390|s390x)
1207
        arch="s390"
1208
    ;;
1209
    m68k)
1210
        arch="m68k"
1211
    ;;
1212
    ia64)
1213
        arch="ia64"
1214
        enable fast_64bit
1215
    ;;
1216
    bfin)
1217
        arch="bfin"
1218
    ;;
1219
    *)
1220
        arch="unknown"
1221
    ;;
1222
esac
1223

    
1224
enable $arch
1225
enabled_any x86_32 x86_64 && enable x86
1226
enabled     sparc64       && enable sparc
1227

    
1228
# OS specific
1229
case $target_os in
1230
    beos|haiku|zeta)
1231
        prefix_default="$HOME/config"
1232
        # helps building libavcodec
1233
        add_cflags "-DPIC -fomit-frame-pointer"
1234
        # 3 gcc releases known for BeOS, each with ugly bugs
1235
        gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1236
        case "$gcc_version" in
1237
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1238
            disable mmx
1239
            ;;
1240
          *20010315*) echo "BeBits gcc"
1241
            add_cflags "-fno-expensive-optimizations"
1242
            ;;
1243
        esac
1244
        SHFLAGS=-nostart
1245
        # enable BeOS things
1246
        enable audio_beos
1247
        # no need for libm, but the inet stuff
1248
        # Check for BONE
1249
        # XXX: actually should check for NOT net_server
1250
        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1251
            network_extralibs="-lbind -lsocket"
1252
        else
1253
            enable beos_netserver
1254
            network_extralibs="-lnet"
1255
        fi ;;
1256
    sunos)
1257
        FFSERVERLDFLAGS=""
1258
        SHFLAGS='-shared -Wl,-h,$$(@F)'
1259
        network_extralibs="-lsocket -lnsl"
1260
        ;;
1261
    netbsd)
1262
        oss_demuxer_extralibs="-lossaudio"
1263
        oss_muxer_extralibs="-lossaudio"
1264
        ;;
1265
    openbsd)
1266
        disable need_memalign
1267
        LIBOBJFLAGS='$(PIC)'
1268
        SHFLAGS='-shared'
1269
        SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF).$(LIBVERSION)'
1270
        SLIBNAME_WITH_VERSION='$(SLIBNAME)'
1271
        SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
1272
        oss_demuxer_extralibs="-lossaudio"
1273
        oss_muxer_extralibs="-lossaudio"
1274
        ;;
1275
    freebsd)
1276
        disable need_memalign
1277
        ;;
1278
    bsd/os)
1279
        osextralibs="-lpoll -lgnugetopt"
1280
        strip="strip -d"
1281
        ;;
1282
    darwin)
1283
        disable need_memalign
1284
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1285
        VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
1286
        strip="strip -x"
1287
        FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1288
        SLIBSUF=".dylib"
1289
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1290
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1291
        FFSERVERLDFLAGS=-Wl,-bind_at_load
1292
        objformat="macho"
1293
        enabled x86_64 && objformat="macho64"
1294
        ;;
1295
    mingw32*)
1296
        target_os=mingw32
1297
        LIBTARGET=i386
1298
        if test $arch = x86_64; then
1299
            disable need_memalign
1300
            LIBTARGET=x64
1301
        fi
1302
        shlibdir_default="$bindir_default"
1303
        VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1304
        VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1305
        if enabled swscale; then
1306
            VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1307
            VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1308
        fi
1309
        disable ffserver
1310
        SLIBPREF=""
1311
        SLIBSUF=".dll"
1312
        EXESUF=".exe"
1313
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1314
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1315
        SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1316
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1317
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1318
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1319
        SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1320
        objformat="win32"
1321
        enable dos_paths
1322
        ;;
1323
    cygwin*)
1324
        target_os=cygwin
1325
        shlibdir_default="$bindir_default"
1326
        VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1327
        VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1328
        if enabled swscale; then
1329
            VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1330
            VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1331
        fi
1332
        EXESUF=".exe"
1333
        SLIBPREF="cyg"
1334
        SLIBSUF=".dll"
1335
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1336
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1337
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
1338
        objformat="win32"
1339
        enable dos_paths
1340
        ;;
1341
    *-dos|freedos|opendos)
1342
        disable ffplay ffserver vhook
1343
        disable $INDEV_LIST $OUTDEV_LIST
1344
        network_extralibs="-lsocket"
1345
        EXESUF=".exe"
1346
        objformat="win32"
1347
        enable dos_paths
1348
        ;;
1349
    linux)
1350
        enable dv1394
1351
        ;;
1352
    irix*)
1353
        target_os=irix
1354
        ranlib="echo ignoring ranlib"
1355
        ;;
1356
    os/2*)
1357
        strip="lxlite"
1358
        ln_s="cp -f"
1359
        EXESUF=".exe"
1360
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1361
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1362
        FFSERVERLDFLAGS=""
1363
        LIBSUF="_s.a"
1364
        SLIBPREF=""
1365
        SLIBSUF=".dll"
1366
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1367
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1368
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1369
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1370
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1371
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1372
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1373
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1374
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1375
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1376
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1377
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1378
        disable vhook
1379
        enable dos_paths
1380
        ;;
1381
    interix)
1382
        disable vhook
1383
        ;;
1384

    
1385
    *)
1386
        target_os="${target_os}-UNKNOWN"
1387
        ;;
1388
esac
1389

    
1390
set_default $PATHS_LIST
1391

    
1392
add_extralibs $osextralibs
1393

    
1394
# Combine FFLDFLAGS and the LDFLAGS environment variable.
1395
LDFLAGS="$FFLDFLAGS $LDFLAGS"
1396

    
1397
test -n "$cross_prefix" && enable cross_compile
1398

    
1399
# we need to build at least one lib type
1400
if ! enabled_any static shared; then
1401
    cat <<EOF
1402
At least one library type must be built.
1403
Specify --enable-static to build the static libraries or --enable-shared to
1404
build the shared libraries as well. To only build the shared libraries specify
1405
--disable-static in addition to --enable-shared.
1406
EOF
1407
    exit 1;
1408
fi
1409

    
1410
disabled static && LIBNAME=""
1411

    
1412
if enabled_any libfaad libfaadbin ; then
1413
    if check_header faad.h; then
1414
        check_cc <<EOF
1415
#include <faad.h>
1416
#ifndef FAAD2_VERSION
1417
ok faad1
1418
#endif
1419
int main(void) { return 0; }
1420
EOF
1421
        test $? = 0 && enable libfaad2
1422
    else
1423
        die "FAAD test failed."
1424
    fi
1425
fi
1426

    
1427

    
1428
if ! enabled gpl; then
1429
    die_gpl_disabled(){
1430
        name=$1
1431
        shift
1432
        enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1433
    }
1434
    die_gpl_disabled "The Postprocessing code" postproc
1435
    die_gpl_disabled "libx264"                 libx264
1436
    die_gpl_disabled "libxvidcore"             libxvid
1437
    die_gpl_disabled "FAAD2"                   libfaad2
1438
    die_gpl_disabled "The X11 grabber"         x11grab
1439
    die_gpl_disabled "The software scaler"     swscale
1440
fi
1441

    
1442
if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1443
    die "libamr is nonfree and --enable-nonfree is not specified."
1444
fi
1445

    
1446
check_deps $ARCH_EXT_LIST
1447

    
1448
test -z "$need_memalign" && need_memalign="$mmx"
1449

    
1450
#Darwin CC versions
1451
if test $target_os = darwin; then
1452
    if $cc -v 2>&1 | grep -q xlc; then
1453
        add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1454
    else
1455
        add_cflags "-pipe"
1456
        check_cflags "-force_cpusubtype_ALL"
1457
        check_cflags "-Wno-sign-compare"
1458
        enabled shared || check_cflags -mdynamic-no-pic
1459
    fi
1460
fi
1461

    
1462
disabled optimizations || check_cflags -fomit-frame-pointer
1463

    
1464
# Add processor-specific flags
1465
if test $cpu != "generic"; then
1466
    warn_altivec(){
1467
        $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1468
    }
1469
    case $cpu in
1470
        601|ppc601|PowerPC601)
1471
            add_cflags "-mcpu=601"
1472
            warn_altivec enabled PPC601
1473
        ;;
1474
        603*|ppc603*|PowerPC603*)
1475
            add_cflags "-mcpu=603"
1476
            warn_altivec enabled PPC603
1477
        ;;
1478
        604*|ppc604*|PowerPC604*)
1479
            add_cflags "-mcpu=604"
1480
            warn_altivec enabled PPC604
1481
        ;;
1482
        G3|g3|75*|ppc75*|PowerPC75*)
1483
            add_cflags "-mcpu=750 -mpowerpc-gfxopt"
1484
            warn_altivec enabled PPC75x
1485
        ;;
1486
        G4|g4|745*|ppc745*|PowerPC745*)
1487
            add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
1488
            warn_altivec disabled PPC745x
1489
        ;;
1490
        74*|ppc74*|PowerPC74*)
1491
            add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
1492
            warn_altivec disabled PPC74xx
1493
        ;;
1494
        G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1495
            add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1496
            warn_altivec disabled PPC970
1497
            enable ppc64
1498
        ;;
1499
        Cell|CELL|cell)
1500
            add_cflags "-mcpu=cell"
1501
            warn_altivec disabled Cell
1502
            enable ppc64
1503
        ;;
1504
        # targets that do NOT support conditional mov (cmov)
1505
        i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1506
            add_cflags "-march=$cpu"
1507
            disable cmov
1508
        ;;
1509
        # targets that do support conditional mov (cmov)
1510
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1511
            add_cflags "-march=$cpu"
1512
            enable cmov
1513
            enable fast_cmov
1514
        ;;
1515
        # targets that do support conditional mov but on which it's slow
1516
        pentium4|pentium4m|prescott|nocona)
1517
            add_cflags "-march=$cpu"
1518
            enable cmov
1519
            disable fast_cmov
1520
        ;;
1521
        sparc64)
1522
            add_cflags "-mcpu=v9"
1523
        ;;
1524
        arm*|cortex*)
1525
            add_cflags "-mcpu=$cpu"
1526
        ;;
1527
        *)
1528
            echo "WARNING: Unknown CPU \"$cpu\", ignored."
1529
        ;;
1530
    esac
1531
fi
1532

    
1533
# make sure we can execute files in $TMPDIR
1534
cat > $TMPSH 2>> $logfile <<EOF
1535
#! /bin/sh
1536
EOF
1537
chmod +x $TMPSH >> $logfile 2>&1
1538
if ! $TMPSH >> $logfile 2>&1; then
1539
    cat <<EOF
1540
Unable to create and execute files in $TMPDIR1.  Set the TMPDIR environment
1541
variable to another directory and make sure that $TMPDIR1 is not mounted
1542
noexec.
1543
EOF
1544
    die "Sanity test failed."
1545
fi
1546
rm $TMPSH
1547

    
1548
# compiler sanity check
1549
check_exec <<EOF
1550
int main(void){ return 0; }
1551
EOF
1552
if test "$?" != 0; then
1553
    echo "$cc is unable to create an executable file."
1554
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
1555
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1556
        echo "Only do this if you know what cross compiling means."
1557
    fi
1558
    die "C compiler test failed."
1559
fi
1560

    
1561
check_cc <<EOF || die "Symbol mangling check failed."
1562
int ff_extern;
1563
EOF
1564
sym=$($nm -P -g $TMPO | grep ff_extern)
1565
extern_prefix=${sym%%ff_extern*}
1566

    
1567
check_asm inline_asm '""'
1568

    
1569
if enabled x86; then
1570
    # check whether EBP is available on x86
1571
    # As 'i' is stored on the stack, this program will crash
1572
    # if the base pointer is used to access it because the
1573
    # base pointer is cleared in the inline assembly code.
1574
    check_exec_crash <<EOF && enable ebp_available
1575
    volatile int i=0;
1576
    asm volatile (
1577
        "xorl %%ebp, %%ebp"
1578
    ::: "%ebp");
1579
    return i;
1580
EOF
1581

    
1582
    # check wether EBX is available on x86
1583
    check_asm ebx_available '"":::"%ebx"'
1584

    
1585
    # check whether binutils is new enough to compile SSSE3/MMX2
1586
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1587
    enabled mmx2  && check_asm mmx2  '"movss %xmm0, %xmm0"'
1588

    
1589
    check_asm bswap '"bswap %%eax" ::: "%eax"'
1590

    
1591
    YASMFLAGS="-f $objformat -DARCH_$(toupper $arch)"
1592
    enabled     x86_64        && append YASMFLAGS "-m amd64"
1593
    enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1594
    case "$objformat" in
1595
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1596
        macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
1597
        *)                    append YASMFLAGS "-DPREFIX"  ;;
1598
    esac
1599
    check_yasm "pabsw xmm0, xmm0" && enable yasm
1600
fi
1601

    
1602
# check for assembler specific support
1603

    
1604
if test $arch = "powerpc"; then
1605
check_cc <<EOF && enable dcbzl
1606
int main(void) {
1607
    register long zero = 0;
1608
    char data[1024];
1609
    asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
1610
return 0;
1611
}
1612
EOF
1613
fi
1614

    
1615
# check for SIMD availability
1616

    
1617
# AltiVec flags: The FSF version of GCC differs from the Apple version
1618
if enabled altivec; then
1619
    check_cflags -maltivec -mabi=altivec &&
1620
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1621
        check_cflags -faltivec
1622

    
1623
    # check if our compiler supports Motorola AltiVec C API
1624
    check_cc <<EOF || disable altivec
1625
$inc_altivec_h
1626
int main(void) {
1627
    vector signed int v1, v2, v3;
1628
    v1 = vec_add(v2,v3);
1629
    return 0;
1630
}
1631
EOF
1632

    
1633
    # check if our compiler supports braces for vector declarations
1634
    check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1635
$inc_altivec_h
1636
int main (void) { (vector int) {1}; return 0; }
1637
EOF
1638
fi
1639

    
1640
# We have to check if pld is a nop and disable it.
1641
enabled armv4l  && check_asm pld     '"pld [r0]"'
1642
enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1643
enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
1644
enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
1645
enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
1646
enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
1647
enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
1648
enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1649

    
1650
enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"
1651

    
1652
# ---
1653
# big/little-endian test
1654
check_cc <<EOF || die "endian test failed"
1655
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1656
EOF
1657
od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1658

    
1659
# ---
1660
# check availability of some header files
1661

    
1662
if check_func dlopen; then
1663
    ldl=
1664
elif check_func dlopen -ldl; then
1665
    ldl=-ldl
1666
fi
1667

    
1668
check_func  fork
1669
check_func  gethrtime
1670
check_func  getrusage
1671
check_func  inet_aton $network_extralibs
1672
check_func  memalign
1673
check_func  mkstemp
1674
check_func_headers windows.h GetProcessTimes
1675

    
1676
check_header byteswap.h
1677
check_header conio.h
1678
check_header dlfcn.h
1679
check_header malloc.h
1680
check_header poll.h
1681
check_header sys/mman.h
1682
check_header sys/resource.h
1683
check_header sys/select.h
1684
check_header termios.h
1685

    
1686
if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
1687
    die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
1688
fi
1689

    
1690
enabled  zlib && check_lib  zlib.h      zlibVersion -lz   || disable  zlib
1691
enabled bzlib && check_lib bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1692

    
1693
# check for some common methods of building with pthread support
1694
# do this before the optional library checks as some of them require pthreads
1695
if enabled pthreads; then
1696
    if check_func pthread_create; then
1697
        :
1698
    elif check_func pthread_create -pthread; then
1699
        add_cflags -pthread
1700
        add_extralibs -pthread
1701
    elif check_func pthread_create -pthreads; then
1702
        add_cflags -pthreads
1703
        add_extralibs -pthreads
1704
    elif check_func pthread_create -lpthreadGC2; then
1705
        add_extralibs -lpthreadGC2
1706
    elif ! check_lib pthread.h pthread_create -lpthread; then
1707
        die "ERROR: can't find pthreads library"
1708
    fi
1709
fi
1710

    
1711
for thread in $THREADS_LIST; do
1712
    if enabled $thread; then
1713
        test -n "$thread_type" &&
1714
            die "ERROR: Only one thread type must be selected." ||
1715
            thread_type="$thread"
1716
    fi
1717
done
1718

    
1719
check_lib math.h sin -lm
1720

    
1721
# test for C99 functions in math.h
1722
for func in llrint lrint lrintf round roundf; do
1723
    check_exec <<EOF && enable $func || disable $func
1724
#include <math.h>
1725
int main(void) { return ($func(3.999f) > 0)?0:1; }
1726
EOF
1727
done
1728

    
1729
# these are off by default, so fail if requested and not available
1730
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1731
enabled libamr_nb  && require  libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1732
enabled libamr_wb  && require  libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1733
enabled libdirac   && add_cflags "$(pkg-config --cflags dirac)" \
1734
                   && require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder \
1735
                   && require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
1736
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1737
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
1738
enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
1739
enabled libmp3lame && require  LAME lame/lame.h lame_init -lmp3lame -lm
1740
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
1741
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) \
1742
                        && require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
1743
enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
1744
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1745
enabled libx264    && require  x264 x264.h x264_encoder_open -lx264 -lm \
1746
                   && require_cpp_condition x264 x264.h "X264_BUILD >= 65"
1747
enabled libxvid    && require  Xvid xvid.h xvid_global -lxvidcore
1748
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1749

    
1750
# libdc1394 check
1751
if enabled libdc1394; then
1752
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1753
        enable libdc1394_2; } ||
1754
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1755
        enable libdc1394_1; } ||
1756
    die "ERROR: No version of libdc1394 found "
1757
fi
1758

    
1759

    
1760
_restrict=
1761
for restrict_keyword in restrict __restrict__ __restrict; do
1762
    check_cc <<EOF && _restrict=$restrict_keyword && break
1763
void foo(char * $restrict_keyword p);
1764
EOF
1765
done
1766

    
1767
test "$vhook" = "default" && vhook="$dlopen"
1768

    
1769
if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
1770
    disable vhook
1771
    echo
1772
    echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1773
    echo "Patches welcome."
1774
    echo
1775
fi
1776

    
1777
if enabled vhook; then
1778
    check_ldflags -rdynamic
1779
    check_ldflags -export-dynamic
1780
fi
1781

    
1782
check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1783
check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1784

    
1785
##########################################
1786
# SDL check
1787

    
1788
disable sdl_too_old
1789
disable sdl
1790
SDL_CONFIG="${cross_prefix}sdl-config"
1791
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
1792
    sdl_cflags=`"${SDL_CONFIG}" --cflags`
1793
    temp_cflags $sdl_cflags
1794
    temp_extralibs `"${SDL_CONFIG}" --libs`
1795
    if check_lib2 SDL.h SDL_Init; then
1796
        _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1797
        if test "$_sdlversion" -lt 121 ; then
1798
            enable sdl_too_old
1799
        else
1800
            enable sdl
1801
            check_cc $sdl_cflags <<EOF && enable sdl_video_size
1802
#include <SDL.h>
1803
int main(int argc, char **argv){
1804
    const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1805
    int w = vi->current_w;
1806
    return 0;
1807
}
1808
EOF
1809
        fi
1810
    fi
1811
    restore_flags
1812
fi
1813

    
1814
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
1815

    
1816
##########################################
1817
# Network check
1818

    
1819
if enabled network; then
1820
    check_type sys/socket.h socklen_t
1821
    # Prefer arpa/inet.h over winsock2
1822
    if check_header arpa/inet.h ; then
1823
        check_func closesocket
1824
    elif check_header winsock2.h ; then
1825
        network_extralibs="-lws2_32"
1826
        check_type ws2tcpip.h socklen_t
1827
        check_func_headers winsock2.h closesocket
1828
    fi
1829
fi
1830

    
1831
##########################################
1832
# IPv6 check
1833

    
1834
enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
1835
#include <sys/types.h>
1836
#include <sys/socket.h>
1837
#include <netinet/in.h>
1838
#include <netdb.h>
1839
int main(void) {
1840
    struct sockaddr_storage saddr;
1841
    struct ipv6_mreq mreq6;
1842
    getaddrinfo(0,0,0,0);
1843
    getnameinfo(0,0,0,0,0,0,0);
1844
    IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
1845
}
1846
EOF
1847

    
1848
check_header linux/videodev.h
1849
check_header linux/videodev2.h
1850
check_header sys/videoio.h
1851

    
1852
check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
1853

    
1854
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1855
{ check_header dev/bktr/ioctl_meteor.h &&
1856
  check_header dev/bktr/ioctl_bt848.h; } ||
1857
{ check_header machine/ioctl_meteor.h &&
1858
  check_header machine/ioctl_bt848.h; } ||
1859
{ check_header dev/video/meteor/ioctl_meteor.h &&
1860
  check_header dev/video/bktr/ioctl_bt848.h; } ||
1861
check_header dev/ic/bt8xx.h
1862

    
1863
check_header sys/soundcard.h
1864
check_header soundcard.h
1865

    
1866
# deal with the X11 frame grabber
1867
enabled x11grab                         &&
1868
check_header X11/Xlib.h                 &&
1869
check_header X11/extensions/XShm.h      &&
1870
check_func XOpenDisplay -lX11           &&
1871
check_func XShmCreateImage -lX11 -lXext
1872

    
1873
enabled debug && add_cflags -g"$debuglevel"
1874

    
1875
# add some useful compiler flags if supported
1876
check_cflags -Wdeclaration-after-statement
1877
check_cflags -Wall
1878
check_cflags -Wno-switch
1879
check_cflags -Wdisabled-optimization
1880
check_cflags -Wpointer-arith
1881
check_cflags -Wredundant-decls
1882
check_cflags -Wno-pointer-sign
1883
check_cflags -Wcast-qual
1884
check_cflags -Wwrite-strings
1885
check_cflags -Wtype-limits
1886
enabled extra_warnings && check_cflags -Winline
1887

    
1888
# add some linker flags
1889
check_ldflags -Wl,--warn-common
1890
check_ldflags -Wl,--as-needed
1891
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'
1892
check_ldflags -Wl,-Bsymbolic
1893

    
1894
if enabled small; then
1895
    check_cflags -Os            # not all compilers support -Os
1896
    optimizations="small"
1897
elif enabled optimizations; then
1898
    if $cc -v 2>&1 | grep -q xlc; then
1899
        add_cflags  "-O5"
1900
        add_ldflags "-O5"
1901
    else
1902
        add_cflags "-O3"
1903
    fi
1904
fi
1905
check_cflags -fno-math-errno
1906
check_cflags -fno-signed-zeros
1907

    
1908
# add some flags for Intel C Compiler
1909
if $cc --version 2> /dev/null | grep -q Intel; then
1910
  # Just warnings, no remarks
1911
  check_cflags -w1
1912
  # -wd: Disable following warnings
1913
  # 144, 167, 556: -Wno-pointer-sign
1914
  # 10006: ignoring unknown option -fno-signed-zeros
1915
  # 10156: ignoring option '-W'; no argument required
1916
  check_cflags -wd144,167,556,10006,10156
1917
  # 11030: Warning unknown option --as-needed
1918
  # 10156: ignoring option '-export'; no argument required
1919
  check_ldflags -wd10156,11030
1920
  # Allow to compile with optimizations
1921
  check_ldflags -march=$cpu
1922
fi
1923

    
1924
# PIC flags for shared library objects where they are needed
1925
if enabled shared; then
1926
    # LIBOBJFLAGS may have already been set in the OS configuration
1927
    if test -z "$LIBOBJFLAGS" ; then
1928
        case "$arch" in
1929
            x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
1930
        esac
1931
    fi
1932
fi
1933

    
1934
if enabled gprof; then
1935
    add_cflags  "-p"
1936
    add_ldflags "-p"
1937
fi
1938

    
1939
VHOOKCFLAGS="-fPIC"
1940

    
1941
# Find out if the .align argument is a power of two or not.
1942
if test $asmalign_pot = "unknown"; then
1943
    disable asmalign_pot
1944
    echo 'asm (".align 3");' | check_cc && enable asmalign_pot
1945
fi
1946

    
1947
enabled_any $DECODER_LIST      && enable decoders
1948
enabled_any $ENCODER_LIST      && enable encoders
1949
enabled_any $BSF_LIST          && enable bsfs
1950
enabled_any $DEMUXER_LIST      && enable demuxers
1951
enabled_any $MUXER_LIST        && enable muxers
1952
enabled_any $FILTER_LIST       && enable filters
1953
enabled_any $INDEV_LIST        && enable demuxers
1954
enabled_any $OUTDEV_LIST       && enable muxers
1955
enabled_any $PROTOCOL_LIST     && enable protocols
1956

    
1957
enabled_any $THREADS_LIST      && enable threads
1958

    
1959
check_deps $CONFIG_LIST       \
1960
           $HAVE_LIST         \
1961
           $DECODER_LIST      \
1962
           $ENCODER_LIST      \
1963
           $PARSER_LIST       \
1964
           $BSF_LIST          \
1965
           $DEMUXER_LIST      \
1966
           $MUXER_LIST        \
1967
           $FILTER_LIST       \
1968
           $INDEV_LIST        \
1969
           $OUTDEV_LIST       \
1970
           $PROTOCOL_LIST     \
1971

    
1972
enabled libdc1394 && append pkg_requires "libraw1394"
1973
enabled libdirac  && append pkg_requires "dirac"
1974
enabled libtheora && append pkg_requires "theora"
1975
enabled libvorbis && append pkg_requires "vorbisenc"
1976

    
1977
echo "install prefix            $prefix"
1978
echo "source path               $source_path"
1979
echo "C compiler                $cc"
1980
echo ".align is power-of-two    $asmalign_pot"
1981
echo "ARCH                      $arch ($cpu)"
1982
if test "$build_suffix" != ""; then
1983
    echo "build suffix              $build_suffix"
1984
fi
1985
if test "$extra_version" != ""; then
1986
    echo "version string suffix     $extra_version"
1987
fi
1988
echo "big-endian                ${bigendian-no}"
1989
if test $arch = "x86_32" -o $arch = "x86_64"; then
1990
    echo "yasm                      ${yasm-no}"
1991
    echo "MMX enabled               ${mmx-no}"
1992
    echo "CMOV enabled              ${cmov-no}"
1993
    echo "CMOV is fast              ${fast_cmov-no}"
1994
    echo "EBX available             ${ebx_available-no}"
1995
    echo "EBP available             ${ebp_available-no}"
1996
fi
1997
if test $arch = "armv4l"; then
1998
    echo "ARMv5TE enabled           ${armv5te-no}"
1999
    echo "ARMv6 enabled             ${armv6-no}"
2000
    echo "ARM VFP enabled           ${armvfp-no}"
2001
    echo "IWMMXT enabled            ${iwmmxt-no}"
2002
    echo "NEON enabled              ${neon-no}"
2003
fi
2004
if test $arch = "mips"; then
2005
    echo "MMI enabled               ${mmi-no}"
2006
fi
2007
if test $arch = "powerpc"; then
2008
    echo "AltiVec enabled           ${altivec-no}"
2009
    echo "dcbzl available           ${dcbzl-no}"
2010
fi
2011
echo "gprof enabled             ${gprof-no}"
2012
echo "debug symbols             ${debug-no}"
2013
echo "strip symbols             ${stripping-no}"
2014
echo "optimizations             ${optimizations-no}"
2015
echo "static                    ${static-no}"
2016
echo "shared                    ${shared-no}"
2017
echo "postprocessing support    ${postproc-no}"
2018
echo "software scaler enabled   ${swscale-no}"
2019
echo "new filter support        ${avfilter-no}"
2020
echo "filters using lavformat   ${avfilter_lavf-no}"
2021
echo "video hooking             ${vhook-no}"
2022
if enabled vhook; then
2023
    echo "Imlib2 support            ${imlib2-no}"
2024
    echo "FreeType support          ${freetype2-no}"
2025
fi
2026
echo "network support           ${network-no}"
2027
if enabled network; then
2028
    echo "IPv6 support              ${ipv6-no}"
2029
fi
2030
echo "threading support         ${thread_type-no}"
2031
echo "SDL support               ${sdl-no}"
2032
if enabled sdl_too_old; then
2033
    echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2034
fi
2035
echo "Sun medialib support      ${mlib-no}"
2036
echo "AVISynth enabled          ${avisynth-no}"
2037
echo "libamr-nb support         ${libamr_nb-no}"
2038
echo "libamr-wb support         ${libamr_wb-no}"
2039
echo "libdc1394 support         ${libdc1394-no}"
2040
echo "libdirac enabled          ${libdirac-no}"
2041
echo "libfaac enabled           ${libfaac-no}"
2042
echo "libfaad enabled           ${libfaad-no}"
2043
echo "libfaad dlopened          ${libfaadbin-no}"
2044
echo "libgsm enabled            ${libgsm-no}"
2045
echo "libmp3lame enabled        ${libmp3lame-no}"
2046
echo "libnut enabled            ${libnut-no}"
2047
echo "libschroedinger enabled   ${libschroedinger-no}"
2048
echo "libtheora enabled         ${libtheora-no}"
2049
echo "libvorbis enabled         ${libvorbis-no}"
2050
echo "libx264 enabled           ${libx264-no}"
2051
echo "libxvid enabled           ${libxvid-no}"
2052
echo "zlib enabled              ${zlib-no}"
2053
echo "bzlib enabled             ${bzlib-no}"
2054
echo
2055

    
2056
for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
2057
    echo "Enabled ${type}s:"
2058
    eval list=\$$(toupper $type)_LIST
2059
    for part in $list; do
2060
        enabled $part && echo ${part%_*}
2061
    done | sort | pr -3 -t
2062
    echo
2063
done
2064

    
2065
license="LGPL"
2066
if enabled nonfree; then
2067
    license="unredistributable"
2068
elif enabled gpl; then
2069
    license="GPL"
2070
fi
2071

    
2072
echo "License: $license"
2073

    
2074
echo "Creating config.mak and config.h..."
2075

    
2076
echo "# Automatically generated by configure - do not modify!" > config.mak
2077
echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2078
echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2079
echo "#define FFMPEG_CONFIG_H" >> $TMPH
2080
echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2081

    
2082
echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2083
echo "prefix=$prefix" >> config.mak
2084
echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2085
echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2086
echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2087
echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2088
echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2089
echo "CC=$cc" >> config.mak
2090
echo "YASM=$yasmexe" >> config.mak
2091
echo "AR=$ar" >> config.mak
2092
echo "RANLIB=$ranlib" >> config.mak
2093
echo "LN_S=$ln_s" >> config.mak
2094
enabled stripping &&
2095
    echo "STRIP=$strip" >> config.mak ||
2096
    echo "STRIP=echo ignoring strip" >> config.mak
2097

    
2098
echo "OPTFLAGS=$CFLAGS" >> config.mak
2099
echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
2100
echo "LDFLAGS=$LDFLAGS" >> config.mak
2101
echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2102
echo "SHFLAGS=$SHFLAGS" >> config.mak
2103
echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2104
echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
2105
echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
2106
echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2107
echo "BUILD_STATIC=$static" >> config.mak
2108
echo "BUILDSUF=$build_suffix" >> config.mak
2109
echo "FULLNAME=$FULLNAME" >> config.mak
2110
echo "LIBPREF=$LIBPREF" >> config.mak
2111
echo "LIBSUF=$LIBSUF" >> config.mak
2112
echo "LIBNAME=$LIBNAME" >> config.mak
2113
echo "SLIBPREF=$SLIBPREF" >> config.mak
2114
echo "SLIBSUF=$SLIBSUF" >> config.mak
2115
echo "EXESUF=$EXESUF" >> config.mak
2116
echo "EXTRA_VERSION=$extra_version" >> config.mak
2117
echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2118

    
2119
if enabled bigendian; then
2120
    echo "WORDS_BIGENDIAN=yes" >> config.mak
2121
    echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2122
fi
2123

    
2124
if enabled sdl; then
2125
    echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2126
    echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2127
fi
2128
if enabled texi2html; then
2129
    echo "BUILD_DOC=yes" >> config.mak
2130
fi
2131

    
2132
get_version(){
2133
    name=$1
2134
    file=$source_path/$2
2135
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2136
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2137
    lcname=$(tolower $name)
2138
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2139
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2140
}
2141

    
2142
get_version LIBSWSCALE  libswscale/swscale.h
2143
get_version LIBPOSTPROC libpostproc/postprocess.h
2144
get_version LIBAVCODEC  libavcodec/avcodec.h
2145
get_version LIBAVDEVICE libavdevice/avdevice.h
2146
get_version LIBAVFORMAT libavformat/avformat.h
2147
get_version LIBAVUTIL   libavutil/avutil.h
2148
get_version LIBAVFILTER libavfilter/avfilter.h
2149

    
2150
if enabled shared; then
2151
    echo "BUILD_SHARED=yes" >> config.mak
2152
    echo "PIC=-fPIC -DPIC" >> config.mak
2153
    echo "LIBTARGET=${LIBTARGET}" >> config.mak
2154
    echo "SLIBNAME=${SLIBNAME}" >> config.mak
2155
    echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2156
    echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2157
    echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2158
    echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2159
    echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2160
    echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2161
fi
2162
echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2163
echo "EXTRALIBS=$extralibs" >> config.mak
2164

    
2165
print_config ARCH_   $TMPH config.mak $ARCH_LIST
2166
print_config HAVE_   $TMPH config.mak $HAVE_LIST
2167
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2168
                                      $DECODER_LIST      \
2169
                                      $ENCODER_LIST      \
2170
                                      $PARSER_LIST       \
2171
                                      $BSF_LIST          \
2172
                                      $DEMUXER_LIST      \
2173
                                      $MUXER_LIST        \
2174
                                      $FILTER_LIST       \
2175
                                      $PROTOCOL_LIST     \
2176
                                      $INDEV_LIST        \
2177
                                      $OUTDEV_LIST       \
2178

    
2179
echo "#define restrict $_restrict" >> $TMPH
2180

    
2181
if enabled small; then
2182
    echo "#define av_always_inline"  >> $TMPH
2183
fi
2184

    
2185
echo "SRC_PATH=\"$source_path\"" >> config.mak
2186
echo "SRC_PATH_BARE=$source_path" >> config.mak
2187
echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2188

    
2189
# Apparently it's not possible to portably echo a backslash.
2190
enabled asmalign_pot &&
2191
    printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2192
    printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2193

    
2194
echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2195

    
2196
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2197

    
2198
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2199
cmp -s $TMPH config.h &&
2200
    echo "config.h is unchanged" ||
2201
    mv -f $TMPH config.h
2202

    
2203
rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
2204

    
2205
# build tree in object directory if source path is different from current one
2206
if enabled source_path_used; then
2207
    DIRS="\
2208
        doc               \
2209
        libavcodec        \
2210
        libavcodec/alpha  \
2211
        libavcodec/armv4l \
2212
        libavcodec/bfin   \
2213
        libavcodec/i386   \
2214
        libavcodec/mlib   \
2215
        libavcodec/ppc    \
2216
        libavcodec/sh4    \
2217
        libavcodec/sparc  \
2218
        libavdevice       \
2219
        libavfilter       \
2220
        libavformat       \
2221
        libavutil         \
2222
        libpostproc       \
2223
        libswscale        \
2224
        tests             \
2225
        tools             \
2226
        vhook             \
2227
        "
2228
    FILES="\
2229
        Makefile             \
2230
        common.mak           \
2231
        subdir.mak           \
2232
        doc/texi2pod.pl      \
2233
        libavcodec/Makefile  \
2234
        libavdevice/Makefile \
2235
        libavfilter/Makefile \
2236
        libavformat/Makefile \
2237
        libavutil/Makefile   \
2238
        libpostproc/Makefile \
2239
        libswscale/Makefile  \
2240
        "
2241
    for dir in $DIRS ; do
2242
        mkdir -p $dir
2243
    done
2244
    for f in $FILES ; do
2245
        $ln_s "$source_path/$f" $f
2246
    done
2247
fi
2248

    
2249

    
2250
# build pkg-config files
2251

    
2252
pkgconfig_generate(){
2253
name=$1
2254
shortname=${name#lib}
2255
comment=$2
2256
version=$3
2257
libs=$4
2258
requires=$5
2259
cat <<EOF > $name/$name.pc
2260
prefix=$prefix
2261
exec_prefix=\${prefix}
2262
libdir=$libdir
2263
includedir=$incdir
2264

    
2265
Name: $name
2266
Description: $comment
2267
Version: $version
2268
Requires: $(disabled shared && echo $requires)
2269
Requires.private: $(enabled shared && echo $requires)
2270
Conflicts:
2271
Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2272
Libs.private: $(enabled shared && echo $libs)
2273
Cflags: -I\${includedir}
2274
EOF
2275
cat <<EOF > $name/$name-uninstalled.pc
2276
prefix=
2277
exec_prefix=
2278
libdir=\${pcfiledir}
2279
includedir=${source_path}
2280

    
2281
Name: $name
2282
Description: $comment
2283
Version: $version
2284
Requires: $requires
2285
Conflicts:
2286
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2287
Cflags: -I\${includedir}
2288
EOF
2289
}
2290

    
2291
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2292
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2293
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2294
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
2295
enabled avfilter &&
2296
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
2297
enabled postproc &&
2298
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2299
if enabled swscale; then
2300
    pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2301
else
2302
    pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
2303
    apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
2304
fi