configure 71 KB
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#!/bin/sh
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#
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# FFmpeg configure script
#
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# Copyright (c) 2000-2002 Fabrice Bellard
# Copyright (c) 2005-2008 Diego Biurrun
# 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
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

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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(: ${foo?}) 2> /dev/null
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E2="$?"

if test "$E1" != 0 || test "$E2" = 0; then
    echo "Broken shell detected.  Trying alternatives."
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    export FF_CONF_EXEC
    if test "0$FF_CONF_EXEC" -lt 1; then
        FF_CONF_EXEC=1
        try_exec bash "$0" "$@"
    fi
    if test "0$FF_CONF_EXEC" -lt 2; then
        FF_CONF_EXEC=2
        try_exec ksh "$0" "$@"
    fi
    if test "0$FF_CONF_EXEC" -lt 3; then
        FF_CONF_EXEC=3
        try_exec /usr/xpg4/bin/sh "$0" "$@"
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    fi
    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."
    echo "Instead, install a working POSIX-compatible shell."
    echo "Disabling this configure test will create a broken FFmpeg."
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    if test "$BASH_VERSION" = '2.04.0(1)-release'; then
        echo "This bash version ($BASH_VERSION) is broken on your platform."
        echo "Upgrade to a later version if available."
    fi
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    exit 1
fi

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show_help(){
  echo "Usage: configure [options]"
  echo "Options: [defaults in brackets after descriptions]"
  echo
  echo "Standard options:"
  echo "  --help                   print this message"
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  echo "  --logfile=FILE           log tests and output to FILE [config.err]"
  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 [yes]"
  echo "  --disable-static         do not build static libraries [no]"
  echo "  --enable-shared          build shared libraries [no]"
  echo "  --disable-shared         do not build shared libraries [yes]"
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  echo "  --enable-gpl             allow use of GPL code, the resulting libs"
  echo "                           and binaries will be under GPL [no]"
  echo "  --enable-nonfree         allow use of nonfree code, the resulting libs"
  echo "                           and binaries will be unredistributable [no]"
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  echo "  --enable-postproc        enable GPLed postprocessing support [no]"
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  echo "  --enable-swscale         enable GPLed software scaler support [no]"
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  echo "  --enable-avfilter        video filter support (replaces vhook) [no]"
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  echo "  --enable-avfilter-lavf   video filters dependent on avformat [no]"
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  echo "  --disable-vhook          disable video hooking support"
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  echo "  --enable-beosthreads     use BeOS threads [no]"
  echo "  --enable-os2threads      use OS/2 threads [no]"
  echo "  --enable-pthreads        use pthreads [no]"
  echo "  --enable-w32threads      use Win32 threads [no]"
  echo "  --enable-x11grab         enable X11 grabbing [no]"
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  echo "  --enable-xvmc            enable XvMC support [no]"
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  echo
  echo "External library support:"
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  echo "  --enable-mlib            enable Sun medialib [no]"
  echo "  --enable-avisynth        enable reading of AVISynth script files [no]"
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  echo "  --enable-bzlib           enable bzlib [autodetect]"
  echo "  --enable-libamr-nb       enable libamr-nb floating point audio codec [no]"
  echo "  --enable-libamr-wb       enable libamr-wb floating point audio codec [no]"
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  echo "  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394"
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  echo "                           and libraw1394 [no]"
  echo "  --enable-libdirac        enable Dirac support via libdirac [no]"
  echo "  --enable-libfaac         enable FAAC support via libfaac [no]"
  echo "  --enable-libfaad         enable FAAD support via libfaad [no]"
  echo "  --enable-libfaadbin      open libfaad.so.0 at runtime [no]"
  echo "  --enable-libgsm          enable GSM support via libgsm [no]"
  echo "  --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]"
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  echo "  --enable-libnut          enable NUT (de)muxing via libnut,"
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  echo "                           native (de)muxer exists [no]"
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  echo "  --enable-libschroedinger enable Dirac support via libschroedinger [no]"
  echo "  --enable-libspeex        enable Speex decoding via libspeex [no]"
  echo "  --enable-libtheora       enable Theora encoding via libtheora [no]"
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  echo "  --enable-libvorbis       enable Vorbis encoding via libvorbis,"
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  echo "                           native implementation exists [no]"
  echo "  --enable-libx264         enable H.264 encoding via x264 [no]"
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  echo "  --enable-libxvid         enable Xvid encoding via xvidcore,"
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  echo "                           native MPEG-4/Xvid encoder exists [no]"
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  echo "  --enable-zlib            enable zlib [autodetect]"
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  echo ""
  echo "Advanced options (experts only):"
  echo "  --source-path=PATH       path to source code [$source_path]"
  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 "  --target-exec=CMD        command to run executables on target"
  echo "  --target-path=DIR        path to view of build directory on target"
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  echo "  --nm=NM                  use nm tool"
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  echo "  --cc=CC                  use C compiler CC [$cc]"
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  echo "  --host-cc=HOSTCC         use host C compiler HOSTCC"
  echo "  --host-cflags=HCFLAGS    use HCFLAGS when compiling for host"
  echo "  --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host"
  echo "  --host-libs=HLIBS        use libs HLIBS when linking for host"
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  echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
  echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
  echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
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  echo "  --extra-version=STRING   version string suffix []"
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  echo "  --build-suffix=SUFFIX    library name suffix []"
  echo "  --arch=ARCH              select architecture [$arch]"
  echo "  --cpu=CPU                select the minimum required CPU (affects"
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  echo "                           instruction selection, may crash on older CPUs)"
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  echo "  --enable-powerpc-perf    enable performance report on PPC"
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  echo "                           (requires enabling PMC)"
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  echo "  --disable-altivec        disable AltiVec optimizations"
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  echo "  --disable-mmx            disable MMX optimizations"
  echo "  --disable-mmx2           disable MMX2 optimizations"
  echo "  --disable-ssse3          disable SSSE3 optimizations"
  echo "  --disable-armv5te        disable armv5te optimizations"
  echo "  --disable-armv6          disable armv6 optimizations"
  echo "  --disable-armvfp         disable ARM VFP optimizations"
  echo "  --disable-iwmmxt         disable iwmmxt optimizations"
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  echo "  --disable-mmi            disable MMI optimizations"
  echo "  --disable-neon           disable neon optimizations"
  echo "  --disable-vis            disable VIS optimizations"
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  echo "  --disable-network        disable network support [no]"
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  echo "  --disable-ipv6           disable IPv6 support [no]"
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  echo "  --disable-mpegaudio-hp   faster (but less accurate)"
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  echo "                           MPEG audio decoding [no]"
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  echo "  --disable-aandct         disable AAN DCT code"
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  echo "  --disable-fft            disable FFT code"
  echo "  --disable-golomb         disable Golomb code"
  echo "  --disable-mdct           disable MDCT code"
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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-ffplay         disable ffplay build"
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  echo "  --disable-ffserver       disable ffserver 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 "  --enable-beos-netserver  enable BeOS netserver"
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  echo "  --disable-encoder=NAME   disable encoder NAME"
  echo "  --enable-encoder=NAME    enable encoder NAME"
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  echo "  --disable-encoders       disable all encoders"
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  echo "  --disable-decoder=NAME   disable decoder NAME"
  echo "  --enable-decoder=NAME    enable decoder NAME"
  echo "  --disable-decoders       disable all decoders"
  echo "  --disable-muxer=NAME     disable muxer NAME"
  echo "  --enable-muxer=NAME      enable muxer NAME"
  echo "  --disable-muxers         disable all muxers"
  echo "  --disable-demuxer=NAME   disable demuxer NAME"
  echo "  --enable-demuxer=NAME    enable demuxer NAME"
  echo "  --disable-demuxers       disable all demuxers"
  echo "  --enable-parser=NAME     enable parser NAME"
  echo "  --disable-parser=NAME    disable parser NAME"
  echo "  --disable-parsers        disable all parsers"
  echo "  --enable-bsf=NAME        enable bitstream filter NAME"
  echo "  --disable-bsf=NAME       disable bitstream filter NAME"
  echo "  --disable-bsfs           disable all bitstream filters"
  echo "  --enable-protocol=NAME   enable protocol NAME"
  echo "  --disable-protocol=NAME  disable protocol NAME"
  echo "  --disable-protocols      disable all protocols"
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  echo "  --disable-indevs         disable input devices"
  echo "  --disable-outdevs        disable output devices"
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  echo "  --disable-devices        disable all devices"
  echo "  --enable-filter=NAME     enable filter NAME"
  echo "  --disable-filter=NAME    disable filter NAME"
  echo "  --disable-filters        disable all filters"
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  echo "  --list-decoders          show all available decoders"
  echo "  --list-encoders          show all available encoders"
  echo "  --list-muxers            show all available muxers"
  echo "  --list-demuxers          show all available demuxers"
  echo "  --list-parsers           show all available parsers"
  echo "  --list-protocols         show all available protocols"
  echo "  --list-bsfs              show all available bitstream filters"
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  echo "  --list-indevs            show all available input devices"
  echo "  --list-outdevs           show all available output devices"
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  echo "  --list-filters           show all available filters"
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  echo
  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 [$gprof]"
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  echo "  --disable-optimizations  disable compiler optimizations"
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  echo "  --enable-extra-warnings  enable more compiler warnings"
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  echo "  --disable-stripping      disable stripping of executables and shared libraries"
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  echo ""
  echo "NOTE: Object files are built at the place where configure is launched."
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  exit 0
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}
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log(){
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    echo "$@" >> $logfile
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}

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

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echolog(){
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    log "$@"
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    echo "$@"
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}

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

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

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tolower(){
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    echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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}

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set_all(){
    value=$1
    shift
    for var in $*; do
        eval $var=$value
    done
}

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set_weak(){
    value=$1
    shift
    for var; do
        eval : \${$var:=$value}
    done
}

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

popvar(){
    for var in $*; do
        eval level=\${${var}_level:-0}
        test $level = 0 && continue
        eval level=$(($level-1))
        eval $var="\${${var}_${level}}"
        eval ${var}_level=$level
        eval unset ${var}_${level}
    done
}

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enable(){
    set_all yes $*
}

disable(){
    set_all no $*
}

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enable_weak(){
    set_weak yes $*
}

disable_weak(){
    set_weak no $*
}

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do_enable_deep(){
    for var; do
        enabled $var && continue
        eval sel="\$${var}_select"
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        eval sgs="\$${var}_suggest"
        pushvar var sgs
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        enable_deep $sel
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        popvar sgs
        enable_deep_weak $sgs
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        popvar var
    done
}

enable_deep(){
    do_enable_deep $*
    enable $*
}

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enable_deep_weak(){
    do_enable_deep $*
    enable_weak $*
}

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enabled(){
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    test "${1#!}" = "$1" && op== || op=!=
    eval test "x\$${1#!}" $op "xyes"
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}

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disabled(){
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    test "${1#!}" = "$1" && op== || op=!=
    eval test "x\$${1#!}" $op "xno"
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}

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enabled_all(){
    for opt; do
        enabled $opt || return 1
    done
}

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disabled_all(){
    for opt; do
        disabled $opt || return 1
    done
}

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enabled_any(){
    for opt; do
        enabled $opt && return 0
    done
}

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disabled_any(){
    for opt; do
        disabled $opt && return 0
    done
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    return 1
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}

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set_default(){
    for opt; do
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        eval : \${$opt:=\$${opt}_default}
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    done
}

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is_in(){
    value=$1
    shift
    for var in $*; do
        [ $var = $value ] && return 0
    done
    return 1
}

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check_deps(){
    for cfg; do
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        cfg="${cfg#!}"
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        enabled ${cfg}_checking && die "Circular dependency for $cfg."
        disabled ${cfg}_checking && continue
        enable ${cfg}_checking

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        eval dep_all="\$${cfg}_deps"
        eval dep_any="\$${cfg}_deps_any"
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        eval dep_sel="\$${cfg}_select"
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        eval dep_sgs="\$${cfg}_suggest"
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        pushvar cfg dep_all dep_any dep_sel dep_sgs
        check_deps $dep_all $dep_any $dep_sel $dep_sgs
        popvar cfg dep_all dep_any dep_sel dep_sgs
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        enabled_all  $dep_all || disable $cfg
        enabled_any  $dep_any || disable $cfg
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        disabled_any $dep_sel && disable $cfg
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        if enabled $cfg; then
            eval dep_extralibs="\$${cfg}_extralibs"
            test -n "$dep_extralibs" && add_extralibs $dep_extralibs
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            enable_deep $dep_sel
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            enable_deep_weak $dep_sgs
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        fi

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        disable ${cfg}_checking
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    done
}

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print_config(){
    pfx=$1
    header=$2
    makefile=$3
    shift 3
    for cfg; do
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        ucname="`toupper $cfg`"
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        if enabled $cfg; then
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            echo "#define ${pfx}${ucname} 1" >> $header
            echo "#define ENABLE_${ucname} 1" >> $header
            echo "${pfx}${ucname}=yes" >> $makefile
        else
            echo "#define ENABLE_${ucname} 0" >> $header
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        fi
    done
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}

flags_saved(){
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    (: ${SAVE_CFLAGS?}) 2> /dev/null
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}

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save_flags(){
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    flags_saved && return
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    SAVE_CFLAGS="$CFLAGS"
    SAVE_LDFLAGS="$LDFLAGS"
    SAVE_extralibs="$extralibs"
}

restore_flags(){
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    flags_saved || return
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    CFLAGS="$SAVE_CFLAGS"
    LDFLAGS="$SAVE_LDFLAGS"
    extralibs="$SAVE_extralibs"
    unset SAVE_CFLAGS
    unset SAVE_LDFLAGS
    unset SAVE_extralibs
}

temp_cflags(){
    save_flags
    CFLAGS="$CFLAGS $*"
}

temp_ldflags(){
    save_flags
    LDFLAGS="$LDFLAGS $*"
}

temp_extralibs(){
    save_flags
    extralibs="$extralibs $*"
}

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append(){
    var=$1
    shift
    flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
    eval "$var=\"\$$var $*\""
}

add_cflags(){
    append CFLAGS "$@"
}

add_ldflags(){
    append LDFLAGS "$@"
}

add_extralibs(){
    append extralibs "$@"
}

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check_cmd(){
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    log "$@"
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    "$@" >> $logfile 2>&1
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}

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check_cc(){
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    log check_cc "$@"
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    cat > $TMPC
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    log_file $TMPC
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    check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
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}

check_cpp(){
    log check_cpp "$@"
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    cat > $TMPC
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    log_file $TMPC
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    check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
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}

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check_asm(){
    log check_asm "$@"
    name="$1"
    asm="$2"
    shift 2
    check_cc "$@" <<EOF && enable $name || disable $name
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void foo(void){ __asm__ volatile($asm); }
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EOF
}

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check_yasm(){
    log check_yasm "$@"
    echo "$1" > $TMPS
    log_file $TMPS
    shift 1
    check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
}

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check_ld(){
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    log check_ld "$@"
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    check_cc || return
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    flags=''
    libs=''
    for f; do
        test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
    done
    check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
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}

check_cflags(){
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    log check_cflags "$@"
    check_cc "$@" <<EOF && add_cflags "$@"
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int x;
EOF
}

check_ldflags(){
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    log check_ldflags "$@"
    check_ld "$@" <<EOF && add_ldflags "$@"
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int main(void){ return 0; }
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EOF
}

check_header(){
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    log check_header "$@"
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    header=$1
    shift
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    var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
    disable $var
    check_cpp "$@" <<EOF && enable $var
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#include <$header>
int x;
EOF
}

check_func(){
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    log check_func "$@"
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    func=$1
    shift
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    disable $func
    check_ld "$@" <<EOF && enable $func
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extern int $func();
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int main(void){ $func(); }
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EOF
}

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check_func_headers(){
    log check_func_headers "$@"
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    headers=$1
    func=$2
    shift 2
    disable $func
    incs=""
    for hdr in $headers; do
        incs="$incs
#include <$hdr>"
    done
    check_ld "$@" <<EOF && enable $func
$incs
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int main(int argc, char **argv){
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    (void) $func;
    return 0;
}
EOF
}

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check_cpp_condition(){
    log check_cpp_condition "$@"
    header=$1
    condition=$2
    check_cpp <<EOF
#include <$header>
#if !($condition)
#error "unsatisfied condition: $condition"
#endif
EOF
}

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check_lib(){
    log check_lib "$@"
    header="$1"
    func="$2"
    shift 2
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    temp_extralibs "$@"
    check_header $header && check_func $func && add_extralibs "$@"
    err=$?
    restore_flags
    return $err
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}

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check_lib2(){
    log check_lib2 "$@"
    headers="$1"
    func="$2"
    shift 2
    temp_extralibs "$@"
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    check_func_headers "$headers" $func && add_extralibs "$@"
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    err=$?
    restore_flags
    return $err
}

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

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check_exec_crash(){
    code=`cat`

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

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    (check_exec "$@") >> $logfile 2>&1 <<EOF
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#include <signal.h>
static void sighandler(int sig){
    raise(SIGTERM);
}
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int main(void){
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    signal(SIGILL, sighandler);
    signal(SIGFPE, sighandler);
    signal(SIGSEGV, sighandler);
#ifdef SIGBUS
    signal(SIGBUS, sighandler);
#endif
    { $code }
}
EOF
}

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check_type(){
    log check_type "$@"
    headers=$1
    type=$2
    shift 2
    disable $type
    incs=""
    for hdr in $headers; do
        incs="$incs
#include <$hdr>"
    done
    check_cc "$@" <<EOF && enable $type
$incs
$type v;
EOF
}

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require(){
    name="$1"
    header="$2"
    func="$3"
    shift 3
    check_lib $header $func "$@" || die "ERROR: $name not found"
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}

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require2(){
    name="$1"
    headers="$2"
    func="$3"
    shift 3
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
}

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check_foo_config(){
    cfg=$1
    pkg=$2
    header=$3
    func=$4
    shift 4
    disable $cfg
    check_cmd ${pkg}-config --version
    err=$?
    if test "$err" = 0; then
        temp_cflags `${pkg}-config --cflags`
        temp_extralibs `${pkg}-config --libs`
        check_lib "$@" $header $func && enable $cfg
    fi
    return $err
}

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apply(){
    file=$1
    shift
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
}

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

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COMPONENT_LIST="
    bsfs
    decoders
    demuxers
    encoders
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    filters
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    indevs
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    muxers
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    outdevs
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    parsers
    protocols
"

CONFIG_LIST="
    $COMPONENT_LIST
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    aandct
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    avfilter
    avfilter_lavf
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    avisynth
    beos_netserver
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    bzlib
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    ffmpeg
    ffplay
    ffserver
744
    fft
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    golomb
746
    gpl
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    gprof
748
    gray
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    hardcoded_tables
750
    ipv6
751 752
    libamr_nb
    libamr_wb
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    libdc1394
754
    libdirac
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    libfaac
    libfaad
    libfaadbin
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    libgsm
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    libmp3lame
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    libnut
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    libschroedinger
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    libspeex
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    libtheora
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    libvorbis
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    libx264
    libxvid
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    mdct
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    memalign_hack
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    mlib
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    mpegaudio_hp
    network
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    nonfree
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    postproc
774
    powerpc_perf
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    shared
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    small
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    static
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    swscale
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    vhook
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    x11grab
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    xvmc
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    zlib
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"
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THREADS_LIST='
    beosthreads
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    os2threads
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    pthreads
    w32threads
'

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ARCH_LIST='
    alpha
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    arm
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    bfin
    ia64
    m68k
    mips
    parisc
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    ppc
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    s390
    sh4
    sparc
    sparc64
    x86
    x86_32
    x86_64
'

ARCH_EXT_LIST='
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    altivec
    armv5te
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    armv6
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    armv6t2
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    armvfp
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    iwmmxt
    mmi
    mmx
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    mmx2
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    neon
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    ssse3
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    vis
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'

HAVE_LIST="
    $ARCH_EXT_LIST
    $THREADS_LIST
    altivec_h
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    arpa_inet_h
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    bswap
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    closesocket
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    cmov
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    conio_h
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    dcbzl
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    dev_bktr_ioctl_bt848_h
    dev_bktr_ioctl_meteor_h
    dev_ic_bt8xx_h
    dev_video_meteor_ioctl_meteor_h
    dev_video_bktr_ioctl_bt848_h
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    dlfcn_h
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    dlopen
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    dos_paths
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    ebp_available
    ebx_available
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    fast_64bit
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    fast_cmov
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    fast_unaligned
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    fork
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    freetype2
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    gethrtime
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    GetProcessTimes
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852
    getrusage
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    imlib2
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854
    inet_aton
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    inline_asm
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    libdc1394_1
    libdc1394_2
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    llrint
    lrint
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    lrintf
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    machine_ioctl_bt848_h
    machine_ioctl_meteor_h
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    malloc_h
    memalign
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    mkstemp
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    pld
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    ppc64
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    round
    roundf
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    sdl
    sdl_video_size
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    socklen_t
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    soundcard_h
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    poll_h
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    sys_mman_h
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    sys_resource_h
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    sys_select_h
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    sys_soundcard_h
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    sys_videoio_h
880
    termios_h
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    threads
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    winsock2_h
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    yasm
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"
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# options emitted with CONFIG_ prefix but not available on command line
CONFIG_EXTRA="
    fft_mmx
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    oldscaler
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"

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CMDLINE_SELECT="
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    $ARCH_EXT_LIST
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    $CONFIG_LIST
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    $THREADS_LIST
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    cross_compile
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    debug
    extra_warnings
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    logging
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    optimizations
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    stripping
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"
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PATHS_LIST='
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    bindir
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    incdir
    libdir
    mandir
    prefix
    shlibdir
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'

CMDLINE_SET="
    $PATHS_LIST
    arch
    build_suffix
    cc
    cpu
    cross_prefix
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    extra_version
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    host_cc
    host_cflags
    host_ldflags
    host_libs
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    logfile
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    nm
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    source_path
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    target_exec
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    target_os
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    target_path
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"
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# code dependency declarations

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# architecture extensions
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altivec_deps="ppc"
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armv5te_deps="arm"
armv6_deps="arm"
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armv6t2_deps="arm"
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armvfp_deps="arm"
iwmmxt_deps="arm"
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mmi_deps="mips"
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mmx_deps="x86"
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mmx2_deps="x86 mmx"
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neon_deps="arm"
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ssse3_deps="x86"
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vis_deps="sparc"
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# common features
fft_suggest="fft_mmx"
fft_mmx_deps="mmx yasm"
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oldscaler_deps="!swscale"
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# decoders / encoders
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aac_decoder_select="fft mdct"
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ac3_decoder_deps="gpl"
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ac3_decoder_select="fft mdct"
atrac3_decoder_select="fft mdct"
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cavs_decoder_select="golomb"
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cook_decoder_select="fft mdct"
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cscd_decoder_suggest="zlib"
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dca_decoder_select="fft mdct"
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dnxhd_encoder_select="aandct"
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dxa_decoder_select="zlib"
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eac3_decoder_deps="gpl"
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eac3_decoder_select="fft mdct"
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eatgq_decoder_select="aandct"
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ffv1_decoder_select="golomb"
flac_decoder_select="golomb"
flac_encoder_select="golomb"
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flashsv_decoder_select="zlib"
flashsv_encoder_select="zlib"
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flv_encoder_select="aandct"
h261_encoder_select="aandct"
h263_encoder_select="aandct"
h263p_encoder_select="aandct"
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h264_decoder_select="golomb"
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imc_decoder_select="fft mdct"
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jpegls_decoder_select="golomb"
jpegls_encoder_select="golomb"
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ljpeg_encoder_select="aandct"
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loco_decoder_select="golomb"
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mjpeg_encoder_select="aandct"
mpeg1video_encoder_select="aandct"
mpeg2video_encoder_select="aandct"
mpeg4_encoder_select="aandct"
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mpeg_xvmc_decoder_deps="xvmc X11_extensions_XvMClib_h"
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msmpeg4v1_encoder_select="aandct"
msmpeg4v2_encoder_select="aandct"
msmpeg4v3_encoder_select="aandct"
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nellymoser_decoder_select="fft mdct"
nellymoser_encoder_select="fft mdct"
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png_decoder_select="zlib"
png_encoder_select="zlib"
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qdm2_decoder_select="fft mdct"
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rv10_encoder_select="aandct"
rv20_encoder_select="aandct"
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shorten_decoder_select="golomb"
sonic_decoder_select="golomb"
sonic_encoder_select="golomb"
sonic_ls_encoder_select="golomb"
svq3_decoder_select="golomb"
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svq3_decoder_suggest="zlib"
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tiff_decoder_suggest="zlib"
tiff_encoder_suggest="zlib"
tscc_decoder_select="zlib"
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vorbis_decoder_select="fft mdct"
vorbis_encoder_select="fft mdct"
wmav1_decoder_select="fft mdct"
wmav1_encoder_select="fft mdct"
wmav2_decoder_select="fft mdct"
wmav2_encoder_select="fft mdct"
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wmv1_encoder_select="aandct"
wmv2_encoder_select="aandct"
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zlib_decoder_select="zlib"
zlib_encoder_select="zlib"
zmbv_decoder_select="zlib"
zmbv_encoder_select="zlib"
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# external libraries
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libamr_nb_decoder_deps="libamr_nb"
libamr_nb_encoder_deps="libamr_nb"
libamr_wb_decoder_deps="libamr_wb"
libamr_wb_encoder_deps="libamr_wb"
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libdirac_decoder_deps="libdirac !libschroedinger"
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libdirac_encoder_deps="libdirac"
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libfaac_encoder_deps="libfaac"
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libfaad_decoder_deps="libfaad"
1029
libfaadbin_decoder_extralibs='$ldl'
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libgsm_decoder_deps="libgsm"
libgsm_encoder_deps="libgsm"
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libgsm_ms_decoder_deps="libgsm"
libgsm_ms_encoder_deps="libgsm"
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libmp3lame_encoder_deps="libmp3lame"
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libschroedinger_decoder_deps="libschroedinger"
libschroedinger_encoder_deps="libschroedinger"
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libspeex_decoder_deps="libspeex"
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libtheora_encoder_deps="libtheora"
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libvorbis_encoder_deps="libvorbis"
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libx264_encoder_deps="libx264"
libxvid_encoder_deps="libxvid"
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mpeg4aac_decoder_deps="libfaad"
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# demuxers / muxers
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ac3_demuxer_deps="ac3_parser"
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audio_beos_demuxer_deps="audio_beos"
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audio_beos_demuxer_extralibs="-lmedia -lbe"
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audio_beos_muxer_deps="audio_beos"
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audio_beos_muxer_extralibs="-lmedia -lbe"
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avisynth_demuxer_deps="avisynth"
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bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
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dirac_demuxer_deps="dirac_parser"
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dv1394_demuxer_deps="dv1394 dv_demuxer"
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libdc1394_demuxer_deps="libdc1394"
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libnut_demuxer_deps="libnut"
libnut_muxer_deps="libnut"
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matroska_demuxer_suggest="zlib bzlib"
mov_demuxer_suggest="zlib"
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mp3_demuxer_deps="mpegaudio_parser"
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oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
oss_muxer_deps_any="soundcard_h sys_soundcard_h"
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redir_demuxer_deps="network"
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rtp_muxer_deps="network rtp_protocol"
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rtsp_demuxer_deps="sdp_demuxer"
sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
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v4l_demuxer_deps="linux_videodev_h"
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v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
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vfwcap_demuxer_deps="capCreateCaptureWindow"
vfwcap_demuxer_extralibs="-lvfw32"
1070
x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
1071
x11_grab_device_demuxer_extralibs="-lX11 -lXext"
1072

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# protocols
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http_protocol_deps="network"
rtp_protocol_deps="udp_protocol"
tcp_protocol_deps="network"
udp_protocol_deps="network"

1079
# filters
1080
movie_filter_deps="avfilter_lavf"
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# programs
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ffplay_deps="sdl"
1084
ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
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ffserver_extralibs='$ldl'
vhook_extralibs='$ldl'
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# default parameters
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1091
logfile="config.err"
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# installation paths
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prefix_default="/usr/local"
bindir_default='${prefix}/bin'
incdir_default='${prefix}/include'
libdir_default='${prefix}/lib'
mandir_default='${prefix}/share/man'
shlibdir_default="$libdir_default"
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# toolchain
1102
cc_default="gcc"
1103
host_cc_default="gcc"
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yasmexe="yasm"
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ar="ar"
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nm_default="nm"
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ranlib="ranlib"
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strip="strip"
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ln_s="ln -sf"
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objformat="elf"
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# machine
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arch=`uname -m`
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cpu="generic"
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# OS
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target_os=$(tolower $(uname -s))
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# configurable options
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enable debug
enable ffmpeg
enable ffplay
enable ffserver
enable ipv6
enable mpegaudio_hp
enable network
1127
enable oldscaler
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enable optimizations
1129
enable protocols
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enable static
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enable stripping
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vhook="default"

# build settings
1135
add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
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SHFLAGS='-shared -Wl,-soname,$$(@F)'
1137
VHOOKSHFLAGS='$(SHFLAGS)'
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FFSERVERLDFLAGS=-Wl,-E
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LIBPREF="lib"
LIBSUF=".a"
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FULLNAME='$(NAME)$(BUILDSUF)'
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
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SLIBPREF="lib"
SLIBSUF=".so"
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SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
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SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
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LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1149

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host_cflags='-O3 -g -Wall'
host_libs='-lm'

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target_path='.'

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# gcc stupidly only outputs the basename of targets with -MM, but we need the
# full relative path for objects in subdirectories for non-recursive Make.
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DEPEND_CMD='$(CC) $(CFLAGS) -MM -MG $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," -e "s,\\([[:space:]]\\)\\(version\\.h\\),\\1\$$(BUILD_ROOT_REL)/\\2,"'
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1159 1160
# find source path
source_path="`dirname \"$0\"`"
1161
enable source_path_used
1162 1163
if test -z "$source_path" -o "$source_path" = "." ; then
    source_path="`pwd`"
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    disable source_path_used
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else
    source_path="`cd \"$source_path\"; pwd`"
    echo "$source_path" | grep -q '[[:blank:]]' &&
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        die "Out of tree builds are impossible with whitespace in source path."
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fi

FFMPEG_CONFIGURATION="$@"

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

ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
OUTDEV_LIST=$(find_things   muxer    _MUX     libavdevice/alldevices.c)
INDEV_LIST=$(find_things    demuxer  DEMUX    libavdevice/alldevices.c)
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
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FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
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enable $ARCH_EXT_LIST \
       $DECODER_LIST \
       $ENCODER_LIST \
       $PARSER_LIST \
       $BSF_LIST \
       $DEMUXER_LIST \
       $MUXER_LIST \
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       $FILTER_LIST \
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       $PROTOCOL_LIST \
       $INDEV_LIST \
       $OUTDEV_LIST \
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die_unknown(){
    echo "Unknown option \"$1\"."
    echo "See $0 --help for available options."
    exit 1
}

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show_list() {
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    suffix=_$1
    shift
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
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    exit 0
}

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for opt do
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    optval="${opt#*=}"
    case "$opt" in
    --extra-cflags=*) add_cflags "$optval"
    ;;
    --extra-ldflags=*) add_ldflags "$optval"
    ;;
    --extra-libs=*) add_extralibs "$optval"
    ;;
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    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
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    ;;
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    --enable-debug=*) debuglevel="$optval"
    ;;
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    --enable-*=*|--disable-*=*)
    eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
    case "$thing" in
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        encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
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        *) die_unknown "$opt" ;;
    esac
    ;;
    --enable-?*|--disable-?*)
    eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
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    if is_in $option $COMPONENT_LIST; then
        eval $action \$$(toupper ${option%s})_LIST
    elif is_in $option $CMDLINE_SELECT; then
        $action $option
    else
        die_unknown $opt
    fi
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    ;;
    --list-*)
        NAME="${opt#--list-}"
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
        NAME=${NAME%s}
        eval show_list $NAME \$$(toupper $NAME)_LIST
    ;;
    --help|-h) show_help
    ;;
    *)
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    optname="${opt%%=*}"
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    optname="${optname#--}"
    optname=$(echo "$optname" | sed 's/-/_/g')
    is_in $optname $CMDLINE_SET || die_unknown $opt
    eval $optname='$optval'
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    ;;
    esac
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done

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disabled logging && logfile=/dev/null

echo "# $0 $@" > $logfile
set >> $logfile

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test -n "$cross_prefix" && enable cross_compile

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cc_default="${cross_prefix}${cc_default}"
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yasmexe="${cross_prefix}${yasmexe}"
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ar="${cross_prefix}${ar}"
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nm_default="${cross_prefix}${nm_default}"
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ranlib="${cross_prefix}${ranlib}"
strip="${cross_prefix}${strip}"

1278
set_default cc nm
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enabled cross_compile || host_cc_default=$cc
set_default host_cc
1281

1282
# set temporary file name
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: ${TMPDIR:=$TEMPDIR}
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: ${TMPDIR:=$TMP}
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: ${TMPDIR:=/tmp}
1286

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TMPC="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
TMPE="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
TMPH="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
TMPO="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
TMPS="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
TMPSH="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
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check_cflags -std=c99

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case "$arch" in
    i386|i486|i586|i686|i86pc|BePC)
        arch="x86_32"
        enable fast_unaligned
    ;;
    x86_64|amd64)
        arch="x86_32"
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        enable cmov
        enable fast_cmov
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        enable fast_unaligned
        check_cc <<EOF && enable fast_64bit && arch="x86_64"
        int test[sizeof(char*) - 7];
EOF
    ;;
    arm|armv[4567]*l)
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        arch="arm"
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    ;;
    alpha)
        arch="alpha"
        enable fast_64bit
    ;;
    "Power Macintosh"|ppc|powerpc)
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        arch="ppc"
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        enable fast_unaligned
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    ;;
    ppc64)
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        arch="ppc"
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        enable fast_64bit
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        enable fast_unaligned
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    ;;
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    mips|mipsel|IP*)
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        arch="mips"
    ;;
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    mips64)
        arch="mips"
        enable fast_64bit
    ;;
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    sun4u|sparc64)
        arch="sparc64"
        enable fast_64bit
    ;;
    sparc)
        arch="sparc"
    ;;
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    sh4|sh)
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        arch="sh4"
    ;;
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    parisc|hppa)
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        arch="parisc"
    ;;
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    parisc64|hppa64)
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        arch="parisc"
        enable fast_64bit
    ;;
    s390|s390x)
        arch="s390"
    ;;
    m68k)
        arch="m68k"
    ;;
    ia64)
        arch="ia64"
        enable fast_64bit
    ;;
    bfin)
        arch="bfin"
    ;;
    *)
        arch="unknown"
    ;;
esac

enable $arch
enabled_any x86_32 x86_64 && enable x86
enabled     sparc64       && enable sparc

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# OS specific
1373
case $target_os in
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    beos|haiku|zeta)
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        prefix_default="$HOME/config"
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        # helps building libavcodec
        add_cflags "-DPIC -fomit-frame-pointer"
        # 3 gcc releases known for BeOS, each with ugly bugs
        gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
        case "$gcc_version" in
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
            disable mmx
            ;;
          *20010315*) echo "BeBits gcc"
            add_cflags "-fno-expensive-optimizations"
            ;;
        esac
        SHFLAGS=-nostart
        # enable BeOS things
        enable audio_beos
        # no need for libm, but the inet stuff
        # Check for BONE
        # XXX: actually should check for NOT net_server
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        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
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            network_extralibs="-lbind -lsocket"
        else
            enable beos_netserver
            network_extralibs="-lnet"
        fi ;;
    sunos)
        FFSERVERLDFLAGS=""
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        SHFLAGS='-shared -Wl,-h,$$(@F)'
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        network_extralibs="-lsocket -lnsl"
        ;;
    netbsd)
        oss_demuxer_extralibs="-lossaudio"
        oss_muxer_extralibs="-lossaudio"
        ;;
    openbsd)
        disable need_memalign
        LIBOBJFLAGS='$(PIC)'
        SHFLAGS='-shared'
        oss_demuxer_extralibs="-lossaudio"
        oss_muxer_extralibs="-lossaudio"
        ;;
    freebsd)
        disable need_memalign
        ;;
    bsd/os)
        osextralibs="-lpoll -lgnugetopt"
        strip="strip -d"
        ;;
    darwin)
        disable need_memalign
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        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
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        VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
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        strip="strip -x"
        FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
        SLIBSUF=".dylib"
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
        FFSERVERLDFLAGS=-Wl,-bind_at_load
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        objformat="macho"
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        enabled x86_64 && objformat="macho64"
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        ;;
    mingw32*)
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        target_os=mingw32
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        LIBTARGET=i386
        if test $arch = x86_64; then
            disable need_memalign
            LIBTARGET=x64
        fi
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        shlibdir_default="$bindir_default"
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        VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
        VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
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        if enabled swscale; then
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            VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
            VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
        fi
        disable ffserver
        SLIBPREF=""
        SLIBSUF=".dll"
        EXESUF=".exe"
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
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        SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
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        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
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        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
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        SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
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        objformat="win32"
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        enable dos_paths
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        check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
            die "ERROR: MinGW runtime version must be >= 3.15."
        enabled_any avisynth vfwcap_demuxer &&
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            { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
              die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
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        ;;
    cygwin*)
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        target_os=cygwin
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        shlibdir_default="$bindir_default"
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        VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
        VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
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        if enabled swscale; then
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            VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
            VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
        fi
        EXESUF=".exe"
        SLIBPREF="cyg"
        SLIBSUF=".dll"
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
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        objformat="win32"
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        enable dos_paths
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        ;;
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    *-dos|freedos|opendos)
        disable ffplay ffserver vhook
        disable $INDEV_LIST $OUTDEV_LIST
        network_extralibs="-lsocket"
        EXESUF=".exe"
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        objformat="win32"
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        enable dos_paths
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        ;;
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    linux)
        enable dv1394
        ;;
    irix*)
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        target_os=irix
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        ranlib="echo ignoring ranlib"
        ;;
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    os/2*)
        strip="lxlite"
        ln_s="cp -f"
        EXESUF=".exe"
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
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        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1508
        FFSERVERLDFLAGS=""
1509
        LIBSUF="_s.a"
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        SLIBPREF=""
        SLIBSUF=".dll"
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
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        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
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        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
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        disable vhook
1525
        enable dos_paths
1526
        ;;
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    interix)
        disable vhook
        ;;
1530

1531
    *)
1532
        target_os="${target_os}-UNKNOWN"
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        ;;
esac

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set_default $PATHS_LIST

1538
add_extralibs $osextralibs
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# Combine FFLDFLAGS and the LDFLAGS environment variable.
LDFLAGS="$FFLDFLAGS $LDFLAGS"
1542

1543
# we need to build at least one lib type
1544
if ! enabled_any static shared; then
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    cat <<EOF
At least one library type must be built.
Specify --enable-static to build the static libraries or --enable-shared to
build the shared libraries as well. To only build the shared libraries specify
--disable-static in addition to --enable-shared.
EOF
    exit 1;
fi

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1554
disabled static && LIBNAME=""
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if enabled_any libfaad libfaadbin ; then
    if check_header faad.h; then
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        check_cc <<EOF
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#include <faad.h>
#ifndef FAAD2_VERSION
ok faad1
#endif
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int main(void) { return 0; }
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EOF
        test $? = 0 && enable libfaad2
    else
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        die "FAAD test failed."
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    fi
fi


1572
if ! enabled gpl; then
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    die_gpl_disabled(){
        name=$1
        shift
        enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
    }
1578
    die_gpl_disabled "The Postprocessing code" postproc
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    die_gpl_disabled "libx264"                 libx264
    die_gpl_disabled "libxvidcore"             libxvid
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    die_gpl_disabled "FAAD2"                   libfaad2
    die_gpl_disabled "The X11 grabber"         x11grab
1583
    die_gpl_disabled "The software scaler"     swscale
1584
fi
1585

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

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1590
check_deps $ARCH_EXT_LIST
1591

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

1594
#Darwin CC versions
1595
if test $target_os = darwin; then
1596
    if $cc -v 2>&1 | grep -q xlc; then
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        add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
1598
    else
1599
        add_cflags "-pipe"
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        check_cflags "-force_cpusubtype_ALL"
        check_cflags "-Wno-sign-compare"
1602
        enabled shared || check_cflags -mdynamic-no-pic
1603
    fi
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fi

1606
disabled optimizations || check_cflags -fomit-frame-pointer
1607

1608
# Add processor-specific flags
1609
if test $cpu != "generic"; then
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    warn_altivec(){
        $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1612
    }
1613
    case $cpu in
1614
        601|ppc601|PowerPC601)
1615
            add_cflags "-mcpu=601"
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1616
            warn_altivec enabled PPC601
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        ;;
        603*|ppc603*|PowerPC603*)
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            add_cflags "-mcpu=603"
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            warn_altivec enabled PPC603
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        ;;
        604*|ppc604*|PowerPC604*)
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            add_cflags "-mcpu=604"
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            warn_altivec enabled PPC604
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        ;;
        G3|g3|75*|ppc75*|PowerPC75*)
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            add_cflags "-mcpu=750 -mpowerpc-gfxopt"
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            warn_altivec enabled PPC75x
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        ;;
        G4|g4|745*|ppc745*|PowerPC745*)
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            add_cflags "-mcpu=7450 -mpowerpc-gfxopt"
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            warn_altivec disabled PPC745x
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        ;;
        74*|ppc74*|PowerPC74*)
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            add_cflags "-mcpu=7400 -mpowerpc-gfxopt"
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            warn_altivec disabled PPC74xx
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        ;;
        G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1639
            add_cflags "-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
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            warn_altivec disabled PPC970
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            enable ppc64
1642
        ;;
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        Cell|CELL|cell)
            add_cflags "-mcpu=cell"
            warn_altivec disabled Cell
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            enable ppc64
1647
        ;;
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        # targets that do NOT support conditional mov (cmov)
        i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
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            add_cflags "-march=$cpu"
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            disable cmov
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        ;;
        # targets that do support conditional mov (cmov)
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        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
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            add_cflags "-march=$cpu"
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            enable cmov
            enable fast_cmov
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        ;;
        # targets that do support conditional mov but on which it's slow
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        pentium4|pentium4m|prescott|nocona)
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            add_cflags "-march=$cpu"
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            enable cmov
            disable fast_cmov
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        ;;
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        sparc64)
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            add_cflags "-mcpu=v9"
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        ;;
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        arm11*|cortex*)
            add_cflags "-mcpu=$cpu"
            enable fast_unaligned
        ;;
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        armv*)
            add_cflags "-march=$cpu"
        ;;
1675
        arm*)
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            add_cflags "-mcpu=$cpu"
        ;;
1678
        *)
1679
            echo "WARNING: Unknown CPU \"$cpu\", ignored."
1680
        ;;
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    esac
fi

1684
# make sure we can execute files in $TMPDIR
1685
cat > $TMPSH 2>> $logfile <<EOF
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#! /bin/sh
EOF
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chmod +x $TMPSH >> $logfile 2>&1
if ! $TMPSH >> $logfile 2>&1; then
1690
    cat <<EOF
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Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
variable to another directory and make sure that it is not mounted noexec.
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EOF
    die "Sanity test failed."
fi
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rm $TMPSH
1697

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# compiler sanity check
check_exec <<EOF
1700
int main(void){ return 0; }
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1701 1702 1703
EOF
if test "$?" != 0; then
    echo "$cc is unable to create an executable file."
1704
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
1705
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1706
        echo "Only do this if you know what cross compiling means."
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    fi
    die "C compiler test failed."
fi

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

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1717 1718
check_asm inline_asm '""'

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1719
if enabled x86; then
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    # check whether EBP is available on x86
    # As 'i' is stored on the stack, this program will crash
    # if the base pointer is used to access it because the
    # base pointer is cleared in the inline assembly code.
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1724
    check_exec_crash <<EOF && enable ebp_available
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    volatile int i=0;
1726
    __asm__ volatile (
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        "xorl %%ebp, %%ebp"
    ::: "%ebp");
    return i;
EOF

    # check wether EBX is available on x86
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1733
    check_asm ebx_available '"":::"%ebx"'
1734

1735
    # check whether binutils is new enough to compile SSSE3/MMX2
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1736
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1737
    enabled mmx2  && check_asm mmx2  '"movss %xmm0, %xmm0"'
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1738 1739

    check_asm bswap '"bswap %%eax" ::: "%eax"'
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    YASMFLAGS="-f $objformat -DARCH_$(toupper $arch)"
    enabled     x86_64        && append YASMFLAGS "-m amd64"
    enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
    case "$objformat" in
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1746
        macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
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        *)                    append YASMFLAGS "-DPREFIX"  ;;
    esac
    check_yasm "pabsw xmm0, xmm0" && enable yasm
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fi

1752 1753
# check for assembler specific support

1754
if test $arch = "ppc"; then
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1755
    check_asm dcbzl '"dcbzl 0, 1"'
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fi

1758 1759
# check for SIMD availability

1760
# AltiVec flags: The FSF version of GCC differs from the Apple version
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1761
if enabled altivec; then
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    check_cflags -maltivec -mabi=altivec &&
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1764
        check_cflags -faltivec
1765

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mru committed
1766
    # check if our compiler supports Motorola AltiVec C API
1767
    check_cc <<EOF || disable altivec
1768
$inc_altivec_h
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int main(void) {
    vector signed int v1, v2, v3;
    v1 = vec_add(v2,v3);
    return 0;
}
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EOF

    # check if our compiler supports braces for vector declarations
1777
    check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1778
$inc_altivec_h
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int main (void) { (vector int) {1}; return 0; }
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EOF
fi
1782

1783
# We have to check if pld is a nop and disable it.
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1784
enabled arm     && check_asm pld     '"pld [r0]"'
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enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
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1787
enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
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1788
enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
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1789 1790
enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
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1791
enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
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1792
enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1793

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

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# ---
# big/little-endian test
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check_cc <<EOF || die "endian test failed"
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
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1800
EOF
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1801
od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
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1802

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1803 1804 1805
# ---
# check availability of some header files

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if check_func dlopen; then
    ldl=
elif check_func dlopen -ldl; then
    ldl=-ldl
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fi

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check_func  fork
check_func  gethrtime
check_func  getrusage
1815
check_func  inet_aton $network_extralibs
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check_func  memalign
check_func  mkstemp
1818
check_func_headers windows.h GetProcessTimes
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1819

1820
check_header conio.h
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check_header dlfcn.h
check_header malloc.h
1823
check_header poll.h
1824
check_header sys/mman.h
1825
check_header sys/resource.h
1826
check_header sys/select.h
1827
check_header termios.h
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1828
check_header X11/extensions/XvMClib.h
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if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
    die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
fi
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disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
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disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
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# check for some common methods of building with pthread support
# do this before the optional library checks as some of them require pthreads
if enabled pthreads; then
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    if check_func pthread_create; then
        :
    elif check_func pthread_create -pthread; then
        add_cflags -pthread
1844
        add_extralibs -pthread
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1845 1846
    elif check_func pthread_create -pthreads; then
        add_cflags -pthreads
1847
        add_extralibs -pthreads
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    elif check_func pthread_create -lpthreadGC2; then
        add_extralibs -lpthreadGC2
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    elif ! check_lib pthread.h pthread_create -lpthread; then
        die "ERROR: can't find pthreads library"
    fi
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fi

1855
for thread in $THREADS_LIST; do
1856
    if enabled $thread; then
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1857 1858
        test -n "$thread_type" &&
            die "ERROR: Only one thread type must be selected." ||
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            thread_type="$thread"
    fi
done

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1863 1864
check_lib math.h sin -lm

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# test for C99 functions in math.h
for func in llrint lrint lrintf round roundf; do
    check_exec <<EOF && enable $func || disable $func
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#include <math.h>
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int main(void) { return ($func(3.999f) > 0)?0:1; }
1870
EOF
1871
done
1872

1873
# these are off by default, so fail if requested and not available
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enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
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enabled libamr_nb  && require  libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
enabled libamr_wb  && require  libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1877
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
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1878 1879
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
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enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
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enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
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enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
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enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
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1885 1886
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
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1887
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
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enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1890
enabled libx264    && require  libx264 x264.h x264_encoder_open -lx264 -lm &&
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1891 1892
                      { check_cpp_condition x264.h "X264_BUILD >= 65" ||
                        die "ERROR: libx264 version must be >= 0.65."; }
1893
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
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enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1895

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# libdc1394 check
if enabled libdc1394; then
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
        enable libdc1394_2; } ||
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
        enable libdc1394_1; } ||
    die "ERROR: No version of libdc1394 found "
fi


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1906 1907
_restrict=
for restrict_keyword in restrict __restrict__ __restrict; do
1908
    check_cc <<EOF && _restrict=$restrict_keyword && break
1909 1910
void foo(char * $restrict_keyword p);
EOF
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1911 1912
done

1913
test "$vhook" = "default" && vhook="$dlopen"
1914

1915
if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
1916
    disable vhook
1917
    echo
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    echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
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    echo "Patches welcome."
    echo
fi

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if enabled vhook; then
    check_ldflags -rdynamic
    check_ldflags -export-dynamic
fi
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1927

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1928 1929
check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1930

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1931
##########################################
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1932
# SDL check
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1933

1934 1935
disable sdl_too_old
disable sdl
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1936
SDL_CONFIG="${cross_prefix}sdl-config"
1937
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
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1938 1939
    sdl_cflags=`"${SDL_CONFIG}" --cflags`
    temp_cflags $sdl_cflags
1940
    temp_extralibs `"${SDL_CONFIG}" --libs`
1941
    if check_lib2 SDL.h SDL_Init; then
1942
        _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1943
        if test "$_sdlversion" -lt 121 ; then
1944
            enable sdl_too_old
1945
        else
1946
            enable sdl
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1947
            check_cc $sdl_cflags <<EOF && enable sdl_video_size
1948
#include <SDL.h>
1949
int main(int argc, char **argv){
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    const SDL_VideoInfo *vi = SDL_GetVideoInfo();
    int w = vi->current_w;
    return 0;
}
EOF
1955 1956
        fi
    fi
1957
    restore_flags
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1958
fi
1959

1960
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
1961

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1962 1963 1964 1965
##########################################
# Network check

if enabled network; then
1966
    check_type "sys/types.h sys/socket.h" socklen_t
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ramiro committed
1967 1968 1969 1970
    # Prefer arpa/inet.h over winsock2
    if check_header arpa/inet.h ; then
        check_func closesocket
    elif check_header winsock2.h ; then
1971
        network_extralibs="-lws2_32"
1972
        check_type ws2tcpip.h socklen_t
1973
        check_func_headers winsock2.h closesocket
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1974 1975 1976
    fi
fi

1977
##########################################
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1978
# IPv6 check
1979

1980
enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
1981 1982 1983 1984
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
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1985
int main(void) {
1986 1987 1988 1989 1990
    struct sockaddr_storage saddr;
    struct ipv6_mreq mreq6;
    getaddrinfo(0,0,0,0);
    getnameinfo(0,0,0,0,0,0,0);
    IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
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}
EOF

1994 1995
check_header linux/videodev.h
check_header linux/videodev2.h
1996
check_header sys/videoio.h
1997

1998
check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
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1999

2000
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
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2001 2002 2003 2004 2005 2006 2007
{ check_header dev/bktr/ioctl_meteor.h &&
  check_header dev/bktr/ioctl_bt848.h; } ||
{ check_header machine/ioctl_meteor.h &&
  check_header machine/ioctl_bt848.h; } ||
{ check_header dev/video/meteor/ioctl_meteor.h &&
  check_header dev/video/bktr/ioctl_bt848.h; } ||
check_header dev/ic/bt8xx.h
2008

2009 2010
check_header sys/soundcard.h
check_header soundcard.h
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mru committed
2011

2012
# deal with the X11 frame grabber
2013
enabled x11grab                         &&
2014 2015 2016
check_header X11/Xlib.h                 &&
check_header X11/extensions/XShm.h      &&
check_func XOpenDisplay -lX11           &&
2017
check_func XShmCreateImage -lX11 -lXext
2018

2019
enabled debug && add_cflags -g"$debuglevel"
2020 2021 2022

# add some useful compiler flags if supported
check_cflags -Wdeclaration-after-statement
2023 2024
check_cflags -Wall
check_cflags -Wno-switch
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michael committed
2025 2026 2027
check_cflags -Wdisabled-optimization
check_cflags -Wpointer-arith
check_cflags -Wredundant-decls
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mru committed
2028
check_cflags -Wno-pointer-sign
2029
check_cflags -Wcast-qual
2030
check_cflags -Wwrite-strings
2031
check_cflags -Wtype-limits
2032
enabled extra_warnings && check_cflags -Winline
2033

2034
# add some linker flags
2035
check_ldflags -Wl,--warn-common
2036 2037
check_ldflags -Wl,--as-needed
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'
2038
check_ldflags -Wl,-Bsymbolic
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bellard committed
2039

2040 2041
if enabled small; then
    check_cflags -Os            # not all compilers support -Os
2042 2043
    optimizations="small"
elif enabled optimizations; then
2044
    if $cc -v 2>&1 | grep -q xlc; then
2045 2046
        add_cflags  "-O5"
        add_ldflags "-O5"
2047
    else
2048
        add_cflags "-O3"
2049
    fi
2050
fi
2051
check_cflags -fno-math-errno
2052
check_cflags -fno-signed-zeros
2053

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2054
# add some flags for Intel C Compiler
2055
if $cc --version 2> /dev/null | grep -q Intel; then
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cehoyos committed
2056 2057 2058 2059 2060 2061 2062 2063 2064 2065
  # Just warnings, no remarks
  check_cflags -w1
  # -wd: Disable following warnings
  # 144, 167, 556: -Wno-pointer-sign
  # 10006: ignoring unknown option -fno-signed-zeros
  # 10156: ignoring option '-W'; no argument required
  check_cflags -wd144,167,556,10006,10156
  # 11030: Warning unknown option --as-needed
  # 10156: ignoring option '-export'; no argument required
  check_ldflags -wd10156,11030
2066 2067
  # Allow to compile with optimizations
  check_ldflags -march=$cpu
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2068 2069
fi

2070
# PIC flags for shared library objects where they are needed
2071
if enabled shared; then
2072 2073 2074
    # LIBOBJFLAGS may have already been set in the OS configuration
    if test -z "$LIBOBJFLAGS" ; then
        case "$arch" in
2075
            x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2076 2077
        esac
    fi
2078 2079
fi

2080
if enabled gprof; then
2081 2082
    add_cflags  "-p"
    add_ldflags "-p"
2083 2084
fi

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2085
VHOOKCFLAGS="-fPIC"
2086

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diego committed
2087
# Find out if the .align argument is a power of two or not.
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mru committed
2088
check_asm asmalign_pot '".align 3"'
2089

2090 2091 2092 2093 2094
enabled_any $DECODER_LIST      && enable decoders
enabled_any $ENCODER_LIST      && enable encoders
enabled_any $BSF_LIST          && enable bsfs
enabled_any $DEMUXER_LIST      && enable demuxers
enabled_any $MUXER_LIST        && enable muxers
2095
enabled_any $FILTER_LIST       && enable filters
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enabled_any $INDEV_LIST        && enable demuxers
enabled_any $OUTDEV_LIST       && enable muxers
enabled_any $PROTOCOL_LIST     && enable protocols

enabled_any $THREADS_LIST      && enable threads

check_deps $CONFIG_LIST       \
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           $CONFIG_EXTRA      \
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           $HAVE_LIST         \
           $DECODER_LIST      \
           $ENCODER_LIST      \
           $PARSER_LIST       \
           $BSF_LIST          \
           $DEMUXER_LIST      \
           $MUXER_LIST        \
2111
           $FILTER_LIST       \
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           $INDEV_LIST        \
           $OUTDEV_LIST       \
           $PROTOCOL_LIST     \
2115

2116
echo "install prefix            $prefix"
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diego committed
2117 2118
echo "source path               $source_path"
echo "C compiler                $cc"
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diego committed
2119
echo ".align is power-of-two    $asmalign_pot"
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diego committed
2120
echo "ARCH                      $arch ($cpu)"
2121 2122
if test "$build_suffix" != ""; then
    echo "build suffix              $build_suffix"
2123
fi
2124 2125 2126
if test "$extra_version" != ""; then
    echo "version string suffix     $extra_version"
fi
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mru committed
2127
echo "big-endian                ${bigendian-no}"
2128
if test $arch = "x86_32" -o $arch = "x86_64"; then
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cehoyos committed
2129
    echo "yasm                      ${yasm-no}"
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mru committed
2130 2131 2132
    echo "MMX enabled               ${mmx-no}"
    echo "CMOV enabled              ${cmov-no}"
    echo "CMOV is fast              ${fast_cmov-no}"
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michael committed
2133 2134
    echo "EBX available             ${ebx_available-no}"
    echo "EBP available             ${ebp_available-no}"
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2135
fi
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mru committed
2136
if test $arch = "arm"; then
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mru committed
2137 2138
    echo "ARMv5TE enabled           ${armv5te-no}"
    echo "ARMv6 enabled             ${armv6-no}"
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mru committed
2139
    echo "ARMv6T2 enabled           ${armv6t2-no}"
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mru committed
2140
    echo "ARM VFP enabled           ${armvfp-no}"
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mru committed
2141
    echo "IWMMXT enabled            ${iwmmxt-no}"
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mru committed
2142
    echo "NEON enabled              ${neon-no}"
2143
fi
2144
if test $arch = "mips"; then
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2145
    echo "MMI enabled               ${mmi-no}"
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bellard committed
2146
fi
2147
if test $arch = "ppc"; then
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mru committed
2148 2149
    echo "AltiVec enabled           ${altivec-no}"
    echo "dcbzl available           ${dcbzl-no}"
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2150
fi
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mru committed
2151 2152
echo "gprof enabled             ${gprof-no}"
echo "debug symbols             ${debug-no}"
2153
echo "strip symbols             ${stripping-no}"
2154
echo "optimizations             ${optimizations-no}"
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mru committed
2155 2156
echo "static                    ${static-no}"
echo "shared                    ${shared-no}"
2157
echo "postprocessing support    ${postproc-no}"
2158
echo "software scaler enabled   ${swscale-no}"
2159
echo "new filter support        ${avfilter-no}"
2160
echo "filters using lavformat   ${avfilter_lavf-no}"
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mru committed
2161
echo "video hooking             ${vhook-no}"
2162
if enabled vhook; then
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mru committed
2163 2164
    echo "Imlib2 support            ${imlib2-no}"
    echo "FreeType support          ${freetype2-no}"
2165
fi
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mru committed
2166
echo "network support           ${network-no}"
2167
if enabled network; then
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2168
    echo "IPv6 support              ${ipv6-no}"
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2169
fi
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echo "threading support         ${thread_type-no}"
echo "SDL support               ${sdl-no}"
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if enabled sdl_too_old; then
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    echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
fi
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echo "Sun medialib support      ${mlib-no}"
echo "AVISynth enabled          ${avisynth-no}"
echo "libamr-nb support         ${libamr_nb-no}"
echo "libamr-wb support         ${libamr_wb-no}"
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2179
echo "libdc1394 support         ${libdc1394-no}"
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echo "libdirac enabled          ${libdirac-no}"
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echo "libfaac enabled           ${libfaac-no}"
echo "libfaad enabled           ${libfaad-no}"
2183
echo "libfaad dlopened          ${libfaadbin-no}"
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echo "libgsm enabled            ${libgsm-no}"
echo "libmp3lame enabled        ${libmp3lame-no}"
echo "libnut enabled            ${libnut-no}"
2187
echo "libschroedinger enabled   ${libschroedinger-no}"
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2188
echo "libspeex enabled          ${libspeex-no}"
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echo "libtheora enabled         ${libtheora-no}"
echo "libvorbis enabled         ${libvorbis-no}"
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echo "libx264 enabled           ${libx264-no}"
echo "libxvid enabled           ${libxvid-no}"
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2193
echo "zlib enabled              ${zlib-no}"
2194
echo "bzlib enabled             ${bzlib-no}"
2195
echo
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2196

2197
for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
2198
    echo "Enabled ${type}s:"
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2199
    eval list=\$$(toupper $type)_LIST
2200
    for part in $list; do
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        enabled $part && echo ${part%_*}
    done | sort | pr -3 -t
    echo
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done

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license="LGPL"
if enabled nonfree; then
    license="unredistributable"
elif enabled gpl; then
    license="GPL"
fi

echo "License: $license"
2214

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

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echo "# Automatically generated by configure - do not modify!" > config.mak
echo "/* Automatically generated by configure - do not modify! */" > $TMPH
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echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
echo "#define FFMPEG_CONFIG_H" >> $TMPH
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echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
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2222

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echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
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echo "prefix=$prefix" >> config.mak
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echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
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echo "CC=$cc" >> config.mak
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echo "YASM=$yasmexe" >> config.mak
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echo "AR=$ar" >> config.mak
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2233
echo "RANLIB=$ranlib" >> config.mak
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echo "LN_S=$ln_s" >> config.mak
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enabled stripping &&
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2236
    echo "STRIP=$strip" >> config.mak ||
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2237
    echo "STRIP=echo ignoring strip" >> config.mak
2238

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2239
echo "OPTFLAGS=$CFLAGS" >> config.mak
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echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
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echo "LDFLAGS=$LDFLAGS" >> config.mak
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echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
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echo "SHFLAGS=$SHFLAGS" >> config.mak
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2244
echo "YASMFLAGS=$YASMFLAGS" >> config.mak
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echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
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echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
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echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
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echo "BUILD_STATIC=$static" >> config.mak
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echo "BUILDSUF=$build_suffix" >> config.mak
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echo "FULLNAME=$FULLNAME" >> config.mak
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echo "LIBPREF=$LIBPREF" >> config.mak
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echo "LIBSUF=$LIBSUF" >> config.mak
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echo "LIBNAME=$LIBNAME" >> config.mak
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echo "SLIBPREF=$SLIBPREF" >> config.mak
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echo "SLIBSUF=$SLIBSUF" >> config.mak
echo "EXESUF=$EXESUF" >> config.mak
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echo "EXTRA_VERSION=$extra_version" >> config.mak
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echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
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echo "HOSTCC=$host_cc" >> config.mak
echo "HOSTCFLAGS=$host_cflags" >> config.mak
echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
echo "HOSTLIBS=$host_libs" >> config.mak
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echo "TARGET_EXEC=$target_exec" >> config.mak
echo "TARGET_PATH=$target_path" >> config.mak
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2265

2266
if enabled bigendian; then
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    echo "WORDS_BIGENDIAN=yes" >> config.mak
    echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2269
fi
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2270

2271
if enabled sdl; then
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    echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
    echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
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2274
fi
2275
if enabled texi2html; then
2276
    echo "BUILD_DOC=yes" >> config.mak
2277
fi
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2278

2279 2280 2281
get_version(){
    name=$1
    file=$source_path/$2
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    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
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2284 2285 2286
    lcname=$(tolower $name)
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
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}

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get_version LIBSWSCALE  libswscale/swscale.h
get_version LIBPOSTPROC libpostproc/postprocess.h
get_version LIBAVCODEC  libavcodec/avcodec.h
get_version LIBAVDEVICE libavdevice/avdevice.h
get_version LIBAVFORMAT libavformat/avformat.h
get_version LIBAVUTIL   libavutil/avutil.h
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2295
get_version LIBAVFILTER libavfilter/avfilter.h
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2296

2297
if enabled shared; then
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    echo "BUILD_SHARED=yes" >> config.mak
    echo "PIC=-fPIC -DPIC" >> config.mak
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2300
    echo "LIBTARGET=${LIBTARGET}" >> config.mak
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    echo "SLIBNAME=${SLIBNAME}" >> config.mak
    echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
    echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
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    echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
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    echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
    echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
    echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
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2308
fi
2309
echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2310
echo "EXTRALIBS=$extralibs" >> config.mak
2311

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print_config ARCH_   $TMPH config.mak $ARCH_LIST
print_config HAVE_   $TMPH config.mak $HAVE_LIST
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print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
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                                      $CONFIG_EXTRA      \
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                                      $DECODER_LIST      \
                                      $ENCODER_LIST      \
                                      $PARSER_LIST       \
                                      $BSF_LIST          \
                                      $DEMUXER_LIST      \
                                      $MUXER_LIST        \
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                                      $FILTER_LIST       \
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                                      $PROTOCOL_LIST     \
                                      $INDEV_LIST        \
                                      $OUTDEV_LIST       \
2326

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2327 2328
echo "#define restrict $_restrict" >> $TMPH

2329
if enabled small; then
2330
    echo "#define av_always_inline"  >> $TMPH
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2331 2332
fi

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echo "SRC_PATH=\"$source_path\"" >> config.mak
echo "SRC_PATH_BARE=$source_path" >> config.mak
echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2336

2337
# Apparently it's not possible to portably echo a backslash.
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2338
enabled asmalign_pot &&
2339
    printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
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2340
    printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2341

2342
echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
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2343

2344 2345
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH

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2346
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
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2347 2348 2349
cmp -s $TMPH config.h &&
    echo "config.h is unchanged" ||
    mv -f $TMPH config.h
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2350

2351
rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
2352

2353
# build tree in object directory if source path is different from current one
2354
if enabled source_path_used; then
2355
    DIRS="\
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        doc               \
        libavcodec        \
        libavcodec/alpha  \
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2359
        libavcodec/arm    \
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        libavcodec/bfin   \
        libavcodec/mlib   \
        libavcodec/ppc    \
        libavcodec/sh4    \
        libavcodec/sparc  \
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        libavcodec/x86    \
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        libavdevice       \
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        libavfilter       \
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        libavformat       \
        libavutil         \
        libpostproc       \
        libswscale        \
        tests             \
        tools             \
        vhook             \
        "
2376
    FILES="\
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        Makefile             \
        common.mak           \
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2379
        subdir.mak           \
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        doc/texi2pod.pl      \
        libavcodec/Makefile  \
2382
        libavdevice/Makefile \
2383
        libavfilter/Makefile \
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        libavformat/Makefile \
        libavutil/Makefile   \
        libpostproc/Makefile \
        libswscale/Makefile  \
        "
2389
    for dir in $DIRS ; do
2390
        mkdir -p $dir
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    done
    for f in $FILES ; do
2393
        $ln_s "$source_path/$f" $f
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    done
fi
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2398
# build pkg-config files
2399

2400 2401
pkgconfig_generate(){
name=$1
2402
shortname=${name#lib}${build_suffix}
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comment=$2
version=$3
libs=$4
requires=$5
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cat <<EOF > $name/$name.pc
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prefix=$prefix
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exec_prefix=\${prefix}
2410
libdir=$libdir
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includedir=$incdir
2412

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Name: $name
Description: $comment
Version: $version
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Requires: $(disabled shared && echo $requires)
Requires.private: $(enabled shared && echo $requires)
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Conflicts:
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Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
Libs.private: $(enabled shared && echo $libs)
2421
Cflags: -I\${includedir}
2422
EOF
2423
cat <<EOF > $name/$name-uninstalled.pc
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prefix=
exec_prefix=
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2426
libdir=\${pcfiledir}
2427
includedir=${source_path}
2428

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Name: $name
Description: $comment
Version: $version
Requires: $requires
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Conflicts:
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Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
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Cflags: -I\${includedir}
EOF
2437
}
2438

2439
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
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pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2443
enabled avfilter &&
2444
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2445
enabled postproc &&
2446
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2447
if enabled swscale; then
2448
    pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2449
else
2450
    pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavcodec = $LIBAVCODEC_VERSION"
2451
    apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
2452
fi