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#!/bin/sh
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#
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# FFmpeg configure script
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#
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# Copyright (c) 2000-2002 Fabrice Bellard
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# Copyright (c) 2005-2008 Diego Biurrun
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# Copyright (c) 2005-2008 Mans Rullgard
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#
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# Prevent locale nonsense from breaking basic text processing.
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LC_ALL=C
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export LC_ALL
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# make sure we are running under a compatible shell
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# try to make this part work with most shells
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try_exec(){
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    echo "Trying shell $1"
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    type "$1" > /dev/null 2>&1 && exec "$@"
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}
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unset foo
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(: ${foo%%bar}) 2> /dev/null
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E1="$?"
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(: ${foo?}) 2> /dev/null
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E2="$?"
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if test "$E1" != 0 || test "$E2" = 0; then
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    echo "Broken shell detected.  Trying alternatives."
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    export FF_CONF_EXEC
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    if test "0$FF_CONF_EXEC" -lt 1; then
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        FF_CONF_EXEC=1
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        try_exec bash "$0" "$@"
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    fi
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    if test "0$FF_CONF_EXEC" -lt 2; then
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        FF_CONF_EXEC=2
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        try_exec ksh "$0" "$@"
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    fi
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    if test "0$FF_CONF_EXEC" -lt 3; then
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        FF_CONF_EXEC=3
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        try_exec /usr/xpg4/bin/sh "$0" "$@"
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    fi
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    echo "No compatible shell script interpreter found."
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    echo "This configure script requires a POSIX-compatible shell"
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    echo "such as bash or ksh."
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    echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
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    echo "Instead, install a working POSIX-compatible shell."
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    echo "Disabling this configure test will create a broken FFmpeg."
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    if test "$BASH_VERSION" = '2.04.0(1)-release'; then
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        echo "This bash version ($BASH_VERSION) is broken on your platform."
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        echo "Upgrade to a later version if available."
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    fi
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    exit 1
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fi
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show_help(){
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  echo "Usage: configure [options]"
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  echo "Options: [defaults in brackets after descriptions]"
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  echo
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  echo "Standard options:"
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  echo "  --help                   print this message"
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  echo "  --logfile=FILE           log tests and output to FILE [config.err]"
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  echo "  --disable-logging        do not log configure debug information"
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  echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
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  echo "  --bindir=DIR             install binaries in DIR [PREFIX/bin]"
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  echo "  --libdir=DIR             install libs in DIR [PREFIX/lib]"
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  echo "  --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]"
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  echo "  --incdir=DIR             install includes in DIR [PREFIX/include]"
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  echo "  --mandir=DIR             install man page in DIR [PREFIX/share/man]"
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  echo "  --enable-static          build static libraries [yes]"
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  echo "  --disable-static         do not build static libraries [no]"
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  echo "  --enable-shared          build shared libraries [no]"
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  echo "  --disable-shared         do not build shared libraries [yes]"
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  echo "  --enable-gpl             allow use of GPL code, the resulting libs"
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  echo "                           and binaries will be under GPL [no]"
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  echo "  --enable-nonfree         allow use of nonfree code, the resulting libs"
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  echo "                           and binaries will be unredistributable [no]"
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  echo "  --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]"
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  echo "  --enable-os2threads      use OS/2 threads [no]"
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  echo "  --enable-pthreads        use pthreads [no]"
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  echo "  --enable-vdpau           enable VDPAU support [no]"
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  echo "  --enable-w32threads      use Win32 threads [no]"
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  echo "  --enable-x11grab         enable X11 grabbing [no]"
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  echo "  --enable-xvmc            enable XvMC support [no]"
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  echo
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  echo "External library support:"
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  echo "  --enable-mlib            enable Sun medialib [no]"
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  echo "  --enable-avisynth        enable reading of AVISynth script files [no]"
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  echo "  --enable-bzlib           enable bzlib [autodetect]"
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  echo "  --enable-libamr-nb       enable libamr-nb floating point audio codec [no]"
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  echo "  --enable-libamr-wb       enable libamr-wb floating point audio codec [no]"
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  echo "  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394"
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  echo "                           and libraw1394 [no]"
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  echo "  --enable-libdirac        enable Dirac support via libdirac [no]"
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  echo "  --enable-libfaac         enable FAAC support via libfaac [no]"
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  echo "  --enable-libfaad         enable FAAD support via libfaad [no]"
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  echo "  --enable-libfaadbin      open libfaad.so.0 at runtime [no]"
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  echo "  --enable-libgsm          enable GSM support via libgsm [no]"
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  echo "  --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]"
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  echo "  --enable-libnut          enable NUT (de)muxing via libnut,"
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  echo "                           native (de)muxer exists [no]"
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  echo "  --enable-libschroedinger enable Dirac support via libschroedinger [no]"
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  echo "  --enable-libspeex        enable Speex decoding via libspeex [no]"
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  echo "  --enable-libtheora       enable Theora encoding via libtheora [no]"
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  echo "  --enable-libvorbis       enable Vorbis encoding via libvorbis,"
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  echo "                           native implementation exists [no]"
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  echo "  --enable-libx264         enable H.264 encoding via x264 [no]"
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  echo "  --enable-libxvid         enable Xvid encoding via xvidcore,"
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  echo "                           native MPEG-4/Xvid encoder exists [no]"
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  echo "  --enable-zlib            enable zlib [autodetect]"
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  echo ""
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  echo "Advanced options (experts only):"
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  echo "  --source-path=PATH       path to source code [$source_path]"
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  echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
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  echo "  --enable-cross-compile   assume a cross-compiler is used"
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  echo "  --target-os=OS           compiler targets OS [$target_os]"
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  echo "  --target-exec=CMD        command to run executables on target"
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  echo "  --target-path=DIR        path to view of build directory on target"
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  echo "  --nm=NM                  use nm tool"
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  echo "  --cc=CC                  use C compiler CC [$cc]"
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  echo "  --host-cc=HOSTCC         use host C compiler HOSTCC"
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  echo "  --host-cflags=HCFLAGS    use HCFLAGS when compiling for host"
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  echo "  --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host"
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  echo "  --host-libs=HLIBS        use libs HLIBS when linking for host"
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  echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
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  echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
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  echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
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  echo "  --extra-version=STRING   version string suffix []"
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  echo "  --build-suffix=SUFFIX    library name suffix []"
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  echo "  --arch=ARCH              select architecture [$arch]"
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  echo "  --cpu=CPU                select the minimum required CPU (affects"
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  echo "                           instruction selection, may crash on older CPUs)"
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  echo "  --enable-powerpc-perf    enable performance report on PPC"
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  echo "                           (requires enabling PMC)"
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  echo "  --disable-altivec        disable AltiVec optimizations"
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  echo "  --disable-mmx            disable MMX optimizations"
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  echo "  --disable-mmx2           disable MMX2 optimizations"
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  echo "  --disable-sse            disable SSE optimizations"
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  echo "  --disable-ssse3          disable SSSE3 optimizations"
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  echo "  --disable-armv5te        disable armv5te optimizations"
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  echo "  --disable-armv6          disable armv6 optimizations"
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  echo "  --disable-armv6t2        disable armv6t2 optimizations"
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  echo "  --disable-armvfp         disable ARM VFP optimizations"
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  echo "  --disable-iwmmxt         disable iwmmxt optimizations"
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  echo "  --disable-mmi            disable MMI optimizations"
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  echo "  --disable-neon           disable neon optimizations"
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  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"
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  echo "  --disable-golomb         disable Golomb code"
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  echo "  --disable-mdct           disable MDCT code"
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  echo "  --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"
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  echo "  --enable-encoder=NAME    enable encoder NAME"
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  echo "  --disable-encoders       disable all encoders"
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  echo "  --disable-decoder=NAME   disable decoder NAME"
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  echo "  --enable-decoder=NAME    enable decoder NAME"
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  echo "  --disable-decoders       disable all decoders"
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  echo "  --disable-muxer=NAME     disable muxer NAME"
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  echo "  --enable-muxer=NAME      enable muxer NAME"
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  echo "  --disable-muxers         disable all muxers"
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  echo "  --disable-demuxer=NAME   disable demuxer NAME"
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  echo "  --enable-demuxer=NAME    enable demuxer NAME"
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  echo "  --disable-demuxers       disable all demuxers"
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  echo "  --enable-parser=NAME     enable parser NAME"
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  echo "  --disable-parser=NAME    disable parser NAME"
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  echo "  --disable-parsers        disable all parsers"
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  echo "  --enable-bsf=NAME        enable bitstream filter NAME"
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  echo "  --disable-bsf=NAME       disable bitstream filter NAME"
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  echo "  --disable-bsfs           disable all bitstream filters"
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  echo "  --enable-protocol=NAME   enable protocol NAME"
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  echo "  --disable-protocol=NAME  disable protocol NAME"
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  echo "  --disable-protocols      disable all protocols"
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  echo "  --disable-indevs         disable input devices"
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  echo "  --disable-outdevs        disable output devices"
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  echo "  --disable-devices        disable all devices"
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  echo "  --enable-filter=NAME     enable filter NAME"
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  echo "  --disable-filter=NAME    disable filter NAME"
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  echo "  --disable-filters        disable all filters"
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  echo "  --list-decoders          show all available decoders"
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  echo "  --list-encoders          show all available encoders"
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  echo "  --list-muxers            show all available muxers"
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  echo "  --list-demuxers          show all available demuxers"
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  echo "  --list-parsers           show all available parsers"
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  echo "  --list-protocols         show all available protocols"
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  echo "  --list-bsfs              show all available bitstream filters"
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  echo "  --list-indevs            show all available input devices"
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  echo "  --list-outdevs           show all available output devices"
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  echo "  --list-filters           show all available filters"
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  echo
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  echo "Developer options (useful when working on FFmpeg itself):"
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  echo "  --disable-debug          disable debugging symbols"
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  echo "  --enable-debug=LEVEL     set the debug level [$debuglevel]"
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  echo "  --enable-gprof           enable profiling with gprof [$gprof]"
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  echo "  --disable-optimizations  disable compiler optimizations"
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  echo "  --enable-extra-warnings  enable more compiler warnings"
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  echo "  --disable-stripping      disable stripping of executables and shared libraries"
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  echo ""
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  echo "NOTE: Object files are built at the place where configure is launched."
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  exit 0
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}
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log(){
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    echo "$@" >> $logfile
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}
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224
log_file(){
225
    log BEGIN $1
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    pr -n -t $1 >> $logfile
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    log END $1
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}
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230
echolog(){
231
    log "$@"
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    echo "$@"
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}
234

    
235
die(){
236
    echolog "$@"
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    cat <<EOF
238
If you think configure made a mistake, make sure you are using the latest
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version from SVN.  If the latest version fails, report the problem to the
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ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
241
EOF
242
    if disabled logging; then
243
        cat <<EOF
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Rerun configure with logging enabled (do not use --disable-logging), and
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include the log this produces with your report.
246
EOF
247
    else
248
cat <<EOF
249
Include the log file "$logfile" produced by configure as this will help
250
solving the problem.
251
EOF
252
    fi
253
    rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
254
    exit 1
255
}
256

    
257
# Avoid locale weirdness, besides we really just want to translate ASCII.
258
toupper(){
259
    echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
260
}
261

    
262
tolower(){
263
    echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
264
}
265

    
266
set_all(){
267
    value=$1
268
    shift
269
    for var in $*; do
270
        eval $var=$value
271
    done
272
}
273

    
274
set_weak(){
275
    value=$1
276
    shift
277
    for var; do
278
        eval : \${$var:=$value}
279
    done
280
}
281

    
282
pushvar(){
283
    for var in $*; do
284
        eval level=\${${var}_level:=0}
285
        eval ${var}_${level}="\$$var"
286
        eval ${var}_level=$(($level+1))
287
    done
288
}
289

    
290
popvar(){
291
    for var in $*; do
292
        eval level=\${${var}_level:-0}
293
        test $level = 0 && continue
294
        eval level=$(($level-1))
295
        eval $var="\${${var}_${level}}"
296
        eval ${var}_level=$level
297
        eval unset ${var}_${level}
298
    done
299
}
300

    
301
enable(){
302
    set_all yes $*
303
}
304

    
305
disable(){
306
    set_all no $*
307
}
308

    
309
enable_weak(){
310
    set_weak yes $*
311
}
312

    
313
disable_weak(){
314
    set_weak no $*
315
}
316

    
317
do_enable_deep(){
318
    for var; do
319
        enabled $var && continue
320
        eval sel="\$${var}_select"
321
        eval sgs="\$${var}_suggest"
322
        pushvar var sgs
323
        enable_deep $sel
324
        popvar sgs
325
        enable_deep_weak $sgs
326
        popvar var
327
    done
328
}
329

    
330
enable_deep(){
331
    do_enable_deep $*
332
    enable $*
333
}
334

    
335
enable_deep_weak(){
336
    do_enable_deep $*
337
    enable_weak $*
338
}
339

    
340
enabled(){
341
    test "${1#!}" = "$1" && op== || op=!=
342
    eval test "x\$${1#!}" $op "xyes"
343
}
344

    
345
disabled(){
346
    test "${1#!}" = "$1" && op== || op=!=
347
    eval test "x\$${1#!}" $op "xno"
348
}
349

    
350
enabled_all(){
351
    for opt; do
352
        enabled $opt || return 1
353
    done
354
}
355

    
356
disabled_all(){
357
    for opt; do
358
        disabled $opt || return 1
359
    done
360
}
361

    
362
enabled_any(){
363
    for opt; do
364
        enabled $opt && return 0
365
    done
366
}
367

    
368
disabled_any(){
369
    for opt; do
370
        disabled $opt && return 0
371
    done
372
    return 1
373
}
374

    
375
set_default(){
376
    for opt; do
377
        eval : \${$opt:=\$${opt}_default}
378
    done
379
}
380

    
381
is_in(){
382
    value=$1
383
    shift
384
    for var in $*; do
385
        [ $var = $value ] && return 0
386
    done
387
    return 1
388
}
389

    
390
check_deps(){
391
    for cfg; do
392
        cfg="${cfg#!}"
393
        enabled ${cfg}_checking && die "Circular dependency for $cfg."
394
        disabled ${cfg}_checking && continue
395
        enable ${cfg}_checking
396

    
397
        eval dep_all="\$${cfg}_deps"
398
        eval dep_any="\$${cfg}_deps_any"
399
        eval dep_sel="\$${cfg}_select"
400
        eval dep_sgs="\$${cfg}_suggest"
401

    
402
        pushvar cfg dep_all dep_any dep_sel dep_sgs
403
        check_deps $dep_all $dep_any $dep_sel $dep_sgs
404
        popvar cfg dep_all dep_any dep_sel dep_sgs
405

    
406
        enabled_all  $dep_all || disable $cfg
407
        enabled_any  $dep_any || disable $cfg
408
        disabled_any $dep_sel && disable $cfg
409

    
410
        if enabled $cfg; then
411
            eval dep_extralibs="\$${cfg}_extralibs"
412
            test -n "$dep_extralibs" && add_extralibs $dep_extralibs
413
            enable_deep $dep_sel
414
            enable_deep_weak $dep_sgs
415
        fi
416

    
417
        disable ${cfg}_checking
418
    done
419
}
420

    
421
print_config(){
422
    pfx=$1
423
    header=$2
424
    makefile=$3
425
    shift 3
426
    for cfg; do
427
        ucname="`toupper $cfg`"
428
        if enabled $cfg; then
429
            echo "#define ${pfx}${ucname} 1" >> $header
430
            echo "#define ENABLE_${ucname} 1" >> $header
431
            echo "${pfx}${ucname}=yes" >> $makefile
432
        else
433
            echo "#define ENABLE_${ucname} 0" >> $header
434
        fi
435
    done
436
}
437

    
438
flags_saved(){
439
    (: ${SAVE_CFLAGS?}) 2> /dev/null
440
}
441

    
442
save_flags(){
443
    flags_saved && return
444
    SAVE_CFLAGS="$CFLAGS"
445
    SAVE_LDFLAGS="$LDFLAGS"
446
    SAVE_extralibs="$extralibs"
447
}
448

    
449
restore_flags(){
450
    flags_saved || return
451
    CFLAGS="$SAVE_CFLAGS"
452
    LDFLAGS="$SAVE_LDFLAGS"
453
    extralibs="$SAVE_extralibs"
454
    unset SAVE_CFLAGS
455
    unset SAVE_LDFLAGS
456
    unset SAVE_extralibs
457
}
458

    
459
temp_cflags(){
460
    save_flags
461
    CFLAGS="$CFLAGS $*"
462
}
463

    
464
temp_ldflags(){
465
    save_flags
466
    LDFLAGS="$LDFLAGS $*"
467
}
468

    
469
temp_extralibs(){
470
    save_flags
471
    extralibs="$extralibs $*"
472
}
473

    
474
append(){
475
    var=$1
476
    shift
477
    flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
478
    eval "$var=\"\$$var $*\""
479
}
480

    
481
add_cflags(){
482
    append CFLAGS "$@"
483
}
484

    
485
add_ldflags(){
486
    append LDFLAGS "$@"
487
}
488

    
489
add_extralibs(){
490
    append extralibs "$@"
491
}
492

    
493
check_cmd(){
494
    log "$@"
495
    "$@" >> $logfile 2>&1
496
}
497

    
498
check_cc(){
499
    log check_cc "$@"
500
    cat > $TMPC
501
    log_file $TMPC
502
    check_cmd $cc $CFLAGS "$@" -c -o $TMPO $TMPC
503
}
504

    
505
check_cpp(){
506
    log check_cpp "$@"
507
    cat > $TMPC
508
    log_file $TMPC
509
    check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
510
}
511

    
512
check_asm(){
513
    log check_asm "$@"
514
    name="$1"
515
    asm="$2"
516
    shift 2
517
    check_cc "$@" <<EOF && enable $name || disable $name
518
void foo(void){ __asm__ volatile($asm); }
519
EOF
520
}
521

    
522
check_yasm(){
523
    log check_yasm "$@"
524
    echo "$1" > $TMPS
525
    log_file $TMPS
526
    shift 1
527
    check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
528
}
529

    
530
check_ld(){
531
    log check_ld "$@"
532
    check_cc || return
533
    flags=''
534
    libs=''
535
    for f; do
536
        test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
537
    done
538
    check_cmd $cc $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
539
}
540

    
541
check_cflags(){
542
    log check_cflags "$@"
543
    check_cc "$@" <<EOF && add_cflags "$@"
544
int x;
545
EOF
546
}
547

    
548
check_ldflags(){
549
    log check_ldflags "$@"
550
    check_ld "$@" <<EOF && add_ldflags "$@"
551
int main(void){ return 0; }
552
EOF
553
}
554

    
555
check_header(){
556
    log check_header "$@"
557
    header=$1
558
    shift
559
    var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
560
    disable $var
561
    check_cpp "$@" <<EOF && enable $var
562
#include <$header>
563
int x;
564
EOF
565
}
566

    
567
check_func(){
568
    log check_func "$@"
569
    func=$1
570
    shift
571
    disable $func
572
    check_ld "$@" <<EOF && enable $func
573
extern int $func();
574
int main(void){ $func(); }
575
EOF
576
}
577

    
578
check_func_headers(){
579
    log check_func_headers "$@"
580
    headers=$1
581
    func=$2
582
    shift 2
583
    disable $func
584
    incs=""
585
    for hdr in $headers; do
586
        incs="$incs
587
#include <$hdr>"
588
    done
589
    check_ld "$@" <<EOF && enable $func
590
$incs
591
int main(int argc, char **argv){
592
    (void) $func;
593
    return 0;
594
}
595
EOF
596
}
597

    
598
check_cpp_condition(){
599
    log check_cpp_condition "$@"
600
    header=$1
601
    condition=$2
602
    check_cpp <<EOF
603
#include <$header>
604
#if !($condition)
605
#error "unsatisfied condition: $condition"
606
#endif
607
EOF
608
}
609

    
610
check_lib(){
611
    log check_lib "$@"
612
    header="$1"
613
    func="$2"
614
    shift 2
615
    temp_extralibs "$@"
616
    check_header $header && check_func $func && add_extralibs "$@"
617
    err=$?
618
    restore_flags
619
    return $err
620
}
621

    
622
check_lib2(){
623
    log check_lib2 "$@"
624
    headers="$1"
625
    func="$2"
626
    shift 2
627
    temp_extralibs "$@"
628
    check_func_headers "$headers" $func && add_extralibs "$@"
629
    err=$?
630
    restore_flags
631
    return $err
632
}
633

    
634
check_exec(){
635
    check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
636
}
637

    
638
check_exec_crash(){
639
    code=`cat`
640

    
641
    # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
642
    # are safe but may not be available everywhere.  Thus we use
643
    # raise(SIGTERM) instead.  The check is run in a subshell so we
644
    # can redirect the "Terminated" message from the shell.  SIGBUS
645
    # is not defined by standard C so it is used conditionally.
646

    
647
    (check_exec "$@") >> $logfile 2>&1 <<EOF
648
#include <signal.h>
649
static void sighandler(int sig){
650
    raise(SIGTERM);
651
}
652
int main(void){
653
    signal(SIGILL, sighandler);
654
    signal(SIGFPE, sighandler);
655
    signal(SIGSEGV, sighandler);
656
#ifdef SIGBUS
657
    signal(SIGBUS, sighandler);
658
#endif
659
    { $code }
660
}
661
EOF
662
}
663

    
664
check_type(){
665
    log check_type "$@"
666
    headers=$1
667
    type=$2
668
    shift 2
669
    disable $type
670
    incs=""
671
    for hdr in $headers; do
672
        incs="$incs
673
#include <$hdr>"
674
    done
675
    check_cc "$@" <<EOF && enable $type
676
$incs
677
$type v;
678
EOF
679
}
680

    
681
require(){
682
    name="$1"
683
    header="$2"
684
    func="$3"
685
    shift 3
686
    check_lib $header $func "$@" || die "ERROR: $name not found"
687
}
688

    
689
require2(){
690
    name="$1"
691
    headers="$2"
692
    func="$3"
693
    shift 3
694
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
695
}
696

    
697
check_foo_config(){
698
    cfg=$1
699
    pkg=$2
700
    header=$3
701
    func=$4
702
    shift 4
703
    disable $cfg
704
    check_cmd ${pkg}-config --version
705
    err=$?
706
    if test "$err" = 0; then
707
        temp_cflags `${pkg}-config --cflags`
708
        temp_extralibs `${pkg}-config --libs`
709
        check_lib "$@" $header $func && enable $cfg
710
    fi
711
    return $err
712
}
713

    
714
apply(){
715
    file=$1
716
    shift
717
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
718
}
719

    
720
# CONFIG_LIST contains configurable options, while HAVE_LIST is for
721
# system-dependent things.
722

    
723
COMPONENT_LIST="
724
    bsfs
725
    decoders
726
    demuxers
727
    encoders
728
    filters
729
    indevs
730
    muxers
731
    outdevs
732
    parsers
733
    protocols
734
"
735

    
736
CONFIG_LIST="
737
    $COMPONENT_LIST
738
    aandct
739
    avfilter
740
    avfilter_lavf
741
    avisynth
742
    beos_netserver
743
    bzlib
744
    ffmpeg
745
    ffplay
746
    ffserver
747
    fft
748
    golomb
749
    gpl
750
    gprof
751
    gray
752
    hardcoded_tables
753
    ipv6
754
    libamr_nb
755
    libamr_wb
756
    libdc1394
757
    libdirac
758
    libfaac
759
    libfaad
760
    libfaadbin
761
    libgsm
762
    libmp3lame
763
    libnut
764
    libschroedinger
765
    libspeex
766
    libtheora
767
    libvorbis
768
    libx264
769
    libxvid
770
    mdct
771
    memalign_hack
772
    mlib
773
    mpegaudio_hp
774
    network
775
    nonfree
776
    postproc
777
    powerpc_perf
778
    shared
779
    small
780
    static
781
    swscale
782
    vdpau
783
    vhook
784
    x11grab
785
    xvmc
786
    zlib
787
"
788

    
789
THREADS_LIST='
790
    beosthreads
791
    os2threads
792
    pthreads
793
    w32threads
794
'
795

    
796
ARCH_LIST='
797
    alpha
798
    arm
799
    bfin
800
    ia64
801
    m68k
802
    mips
803
    parisc
804
    ppc
805
    s390
806
    sh4
807
    sparc
808
    sparc64
809
    x86
810
    x86_32
811
    x86_64
812
'
813

    
814
ARCH_EXT_LIST='
815
    altivec
816
    armv5te
817
    armv6
818
    armv6t2
819
    armvfp
820
    iwmmxt
821
    mmi
822
    mmx
823
    mmx2
824
    neon
825
    sse
826
    ssse3
827
    vis
828
'
829

    
830
HAVE_LIST="
831
    $ARCH_EXT_LIST
832
    $THREADS_LIST
833
    altivec_h
834
    arpa_inet_h
835
    bswap
836
    closesocket
837
    cmov
838
    conio_h
839
    dcbzl
840
    dev_bktr_ioctl_bt848_h
841
    dev_bktr_ioctl_meteor_h
842
    dev_ic_bt8xx_h
843
    dev_video_meteor_ioctl_meteor_h
844
    dev_video_bktr_ioctl_bt848_h
845
    dlfcn_h
846
    dlopen
847
    dos_paths
848
    ebp_available
849
    ebx_available
850
    fast_64bit
851
    fast_cmov
852
    fast_unaligned
853
    fork
854
    freetype2
855
    gethrtime
856
    GetProcessTimes
857
    getrusage
858
    imlib2
859
    inet_aton
860
    inline_asm
861
    libdc1394_1
862
    libdc1394_2
863
    llrint
864
    lrint
865
    lrintf
866
    machine_ioctl_bt848_h
867
    machine_ioctl_meteor_h
868
    malloc_h
869
    memalign
870
    mkstemp
871
    pld
872
    posix_memalign
873
    ppc64
874
    round
875
    roundf
876
    sdl
877
    sdl_video_size
878
    socklen_t
879
    soundcard_h
880
    poll_h
881
    sys_mman_h
882
    sys_resource_h
883
    sys_select_h
884
    sys_soundcard_h
885
    sys_videoio_h
886
    termios_h
887
    threads
888
    winsock2_h
889
    yasm
890
"
891

    
892
# options emitted with CONFIG_ prefix but not available on command line
893
CONFIG_EXTRA="
894
    fft_mmx
895
    oldscaler
896
"
897

    
898
CMDLINE_SELECT="
899
    $ARCH_EXT_LIST
900
    $CONFIG_LIST
901
    $THREADS_LIST
902
    cross_compile
903
    debug
904
    extra_warnings
905
    logging
906
    optimizations
907
    stripping
908
"
909

    
910
PATHS_LIST='
911
    bindir
912
    incdir
913
    libdir
914
    mandir
915
    prefix
916
    shlibdir
917
'
918

    
919
CMDLINE_SET="
920
    $PATHS_LIST
921
    arch
922
    build_suffix
923
    cc
924
    cpu
925
    cross_prefix
926
    extra_version
927
    host_cc
928
    host_cflags
929
    host_ldflags
930
    host_libs
931
    logfile
932
    nm
933
    source_path
934
    target_exec
935
    target_os
936
    target_path
937
"
938

    
939
# code dependency declarations
940

    
941
# architecture extensions
942
altivec_deps="ppc"
943
armv5te_deps="arm"
944
armv6_deps="arm"
945
armv6t2_deps="arm"
946
armvfp_deps="arm"
947
iwmmxt_deps="arm"
948
mmi_deps="mips"
949
mmx_deps="x86"
950
mmx2_deps="x86 mmx"
951
neon_deps="arm"
952
sse_deps="mmx"
953
ssse3_deps="x86 sse"
954
vis_deps="sparc"
955

    
956
# common features
957
fft_suggest="fft_mmx"
958
fft_mmx_deps="mmx yasm"
959
oldscaler_deps="!swscale"
960

    
961
# decoders / encoders
962
aac_decoder_select="fft mdct"
963
ac3_decoder_deps="gpl"
964
ac3_decoder_select="fft mdct"
965
atrac3_decoder_select="fft mdct"
966
cavs_decoder_select="golomb"
967
cook_decoder_select="fft mdct"
968
cscd_decoder_suggest="zlib"
969
dca_decoder_select="fft mdct"
970
dnxhd_encoder_select="aandct"
971
dxa_decoder_select="zlib"
972
eac3_decoder_deps="gpl"
973
eac3_decoder_select="fft mdct"
974
eatgq_decoder_select="aandct"
975
ffv1_decoder_select="golomb"
976
flac_decoder_select="golomb"
977
flac_encoder_select="golomb"
978
flashsv_decoder_select="zlib"
979
flashsv_encoder_select="zlib"
980
flv_encoder_select="aandct"
981
h261_encoder_select="aandct"
982
h263_encoder_select="aandct"
983
h263p_encoder_select="aandct"
984
h264_decoder_select="golomb"
985
h264_vdpau_decoder_deps="vdpau"
986
imc_decoder_select="fft mdct"
987
jpegls_decoder_select="golomb"
988
jpegls_encoder_select="golomb"
989
ljpeg_encoder_select="aandct"
990
loco_decoder_select="golomb"
991
mjpeg_encoder_select="aandct"
992
mpeg1video_encoder_select="aandct"
993
mpeg2video_encoder_select="aandct"
994
mpeg4_encoder_select="aandct"
995
mpeg_xvmc_decoder_deps="xvmc X11_extensions_XvMClib_h"
996
msmpeg4v1_encoder_select="aandct"
997
msmpeg4v2_encoder_select="aandct"
998
msmpeg4v3_encoder_select="aandct"
999
nellymoser_decoder_select="fft mdct"
1000
nellymoser_encoder_select="fft mdct"
1001
png_decoder_select="zlib"
1002
png_encoder_select="zlib"
1003
qdm2_decoder_select="fft mdct"
1004
rv10_encoder_select="aandct"
1005
rv20_encoder_select="aandct"
1006
shorten_decoder_select="golomb"
1007
sonic_decoder_select="golomb"
1008
sonic_encoder_select="golomb"
1009
sonic_ls_encoder_select="golomb"
1010
svq3_decoder_select="golomb"
1011
svq3_decoder_suggest="zlib"
1012
tiff_decoder_suggest="zlib"
1013
tiff_encoder_suggest="zlib"
1014
tscc_decoder_select="zlib"
1015
vorbis_decoder_select="fft mdct"
1016
vorbis_encoder_select="fft mdct"
1017
wmav1_decoder_select="fft mdct"
1018
wmav1_encoder_select="fft mdct"
1019
wmav2_decoder_select="fft mdct"
1020
wmav2_encoder_select="fft mdct"
1021
wmv1_encoder_select="aandct"
1022
wmv2_encoder_select="aandct"
1023
zlib_decoder_select="zlib"
1024
zlib_encoder_select="zlib"
1025
zmbv_decoder_select="zlib"
1026
zmbv_encoder_select="zlib"
1027

    
1028
# external libraries
1029
libamr_nb_decoder_deps="libamr_nb"
1030
libamr_nb_encoder_deps="libamr_nb"
1031
libamr_wb_decoder_deps="libamr_wb"
1032
libamr_wb_encoder_deps="libamr_wb"
1033
libdirac_decoder_deps="libdirac !libschroedinger"
1034
libdirac_encoder_deps="libdirac"
1035
libfaac_encoder_deps="libfaac"
1036
libfaad_decoder_deps="libfaad"
1037
libfaadbin_decoder_extralibs='$ldl'
1038
libgsm_decoder_deps="libgsm"
1039
libgsm_encoder_deps="libgsm"
1040
libgsm_ms_decoder_deps="libgsm"
1041
libgsm_ms_encoder_deps="libgsm"
1042
libmp3lame_encoder_deps="libmp3lame"
1043
libschroedinger_decoder_deps="libschroedinger"
1044
libschroedinger_encoder_deps="libschroedinger"
1045
libspeex_decoder_deps="libspeex"
1046
libtheora_encoder_deps="libtheora"
1047
libvorbis_encoder_deps="libvorbis"
1048
libx264_encoder_deps="libx264"
1049
libxvid_encoder_deps="libxvid"
1050
mpeg4aac_decoder_deps="libfaad"
1051
vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1052

    
1053
# demuxers / muxers
1054
ac3_demuxer_deps="ac3_parser"
1055
audio_beos_demuxer_deps="audio_beos"
1056
audio_beos_demuxer_extralibs="-lmedia -lbe"
1057
audio_beos_muxer_deps="audio_beos"
1058
audio_beos_muxer_extralibs="-lmedia -lbe"
1059
avisynth_demuxer_deps="avisynth"
1060
bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1061
dirac_demuxer_deps="dirac_parser"
1062
dv1394_demuxer_deps="dv1394 dv_demuxer"
1063
libdc1394_demuxer_deps="libdc1394"
1064
libnut_demuxer_deps="libnut"
1065
libnut_muxer_deps="libnut"
1066
matroska_demuxer_suggest="zlib bzlib"
1067
mov_demuxer_suggest="zlib"
1068
mp3_demuxer_deps="mpegaudio_parser"
1069
oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
1070
oss_muxer_deps_any="soundcard_h sys_soundcard_h"
1071
redir_demuxer_deps="network"
1072
rtp_muxer_deps="network rtp_protocol"
1073
rtsp_demuxer_deps="sdp_demuxer"
1074
sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1075
v4l_demuxer_deps="linux_videodev_h"
1076
v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
1077
vfwcap_demuxer_deps="capCreateCaptureWindow"
1078
vfwcap_demuxer_extralibs="-lvfw32"
1079
x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
1080
x11_grab_device_demuxer_extralibs="-lX11 -lXext"
1081

    
1082
# protocols
1083
http_protocol_deps="network"
1084
rtp_protocol_deps="udp_protocol"
1085
tcp_protocol_deps="network"
1086
udp_protocol_deps="network"
1087

    
1088
# filters
1089
movie_filter_deps="avfilter_lavf"
1090

    
1091
# programs
1092
ffplay_deps="sdl"
1093
ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1094
ffserver_extralibs='$ldl'
1095
vhook_extralibs='$ldl'
1096

    
1097

    
1098
# default parameters
1099

    
1100
logfile="config.err"
1101

    
1102
# installation paths
1103
prefix_default="/usr/local"
1104
bindir_default='${prefix}/bin'
1105
incdir_default='${prefix}/include'
1106
libdir_default='${prefix}/lib'
1107
mandir_default='${prefix}/share/man'
1108
shlibdir_default="$libdir_default"
1109

    
1110
# toolchain
1111
ar="ar"
1112
cc_default="gcc"
1113
host_cc_default="gcc"
1114
ln_s="ln -sf"
1115
nm_default="nm"
1116
objformat="elf"
1117
ranlib="ranlib"
1118
strip="strip"
1119
yasmexe="yasm"
1120

    
1121
# machine
1122
arch=`uname -m`
1123
cpu="generic"
1124

    
1125
# OS
1126
target_os=$(tolower $(uname -s))
1127

    
1128
# configurable options
1129
enable debug
1130
enable ffmpeg
1131
enable ffplay
1132
enable ffserver
1133
enable ipv6
1134
enable mpegaudio_hp
1135
enable network
1136
enable oldscaler
1137
enable optimizations
1138
enable protocols
1139
enable static
1140
enable stripping
1141
vhook="default"
1142

    
1143
# build settings
1144
add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1145
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1146
VHOOKSHFLAGS='$(SHFLAGS)'
1147
FFSERVERLDFLAGS=-Wl,-E
1148
LIBPREF="lib"
1149
LIBSUF=".a"
1150
FULLNAME='$(NAME)$(BUILDSUF)'
1151
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1152
SLIBPREF="lib"
1153
SLIBSUF=".so"
1154
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1155
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1156
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1157
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1158

    
1159
host_cflags='-O3 -g -Wall'
1160
host_libs='-lm'
1161

    
1162
target_path='.'
1163

    
1164
# gcc stupidly only outputs the basename of targets with -MM, but we need the
1165
# full relative path for objects in subdirectories for non-recursive Make.
1166
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,"'
1167

    
1168
# find source path
1169
source_path="`dirname \"$0\"`"
1170
enable source_path_used
1171
if test -z "$source_path" -o "$source_path" = "." ; then
1172
    source_path="`pwd`"
1173
    disable source_path_used
1174
else
1175
    source_path="`cd \"$source_path\"; pwd`"
1176
    echo "$source_path" | grep -q '[[:blank:]]' &&
1177
        die "Out of tree builds are impossible with whitespace in source path."
1178
fi
1179

    
1180
FFMPEG_CONFIGURATION="$@"
1181

    
1182
find_things(){
1183
    thing=$1
1184
    pattern=$2
1185
    file=$source_path/$3
1186
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1187
}
1188

    
1189
ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1190
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1191
PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1192
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1193
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1194
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1195
OUTDEV_LIST=$(find_things   muxer    _MUX     libavdevice/alldevices.c)
1196
INDEV_LIST=$(find_things    demuxer  DEMUX    libavdevice/alldevices.c)
1197
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1198
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1199

    
1200
enable $ARCH_EXT_LIST \
1201
       $DECODER_LIST \
1202
       $ENCODER_LIST \
1203
       $PARSER_LIST \
1204
       $BSF_LIST \
1205
       $DEMUXER_LIST \
1206
       $MUXER_LIST \
1207
       $FILTER_LIST \
1208
       $PROTOCOL_LIST \
1209
       $INDEV_LIST \
1210
       $OUTDEV_LIST \
1211

    
1212
die_unknown(){
1213
    echo "Unknown option \"$1\"."
1214
    echo "See $0 --help for available options."
1215
    exit 1
1216
}
1217

    
1218
show_list() {
1219
    suffix=_$1
1220
    shift
1221
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
1222
    exit 0
1223
}
1224

    
1225
for opt do
1226
    optval="${opt#*=}"
1227
    case "$opt" in
1228
    --extra-cflags=*) add_cflags $optval
1229
    ;;
1230
    --extra-ldflags=*) add_ldflags $optval
1231
    ;;
1232
    --extra-libs=*) add_extralibs $optval
1233
    ;;
1234
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1235
    ;;
1236
    --enable-debug=*) debuglevel="$optval"
1237
    ;;
1238
    --enable-*=*|--disable-*=*)
1239
    eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
1240
    case "$thing" in
1241
        encoder|decoder|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
1242
        *) die_unknown "$opt" ;;
1243
    esac
1244
    ;;
1245
    --enable-?*|--disable-?*)
1246
    eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
1247
    if is_in $option $COMPONENT_LIST; then
1248
        eval $action \$$(toupper ${option%s})_LIST
1249
    elif is_in $option $CMDLINE_SELECT; then
1250
        $action $option
1251
    else
1252
        die_unknown $opt
1253
    fi
1254
    ;;
1255
    --list-*)
1256
        NAME="${opt#--list-}"
1257
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
1258
        NAME=${NAME%s}
1259
        eval show_list $NAME \$$(toupper $NAME)_LIST
1260
    ;;
1261
    --help|-h) show_help
1262
    ;;
1263
    *)
1264
    optname="${opt%%=*}"
1265
    optname="${optname#--}"
1266
    optname=$(echo "$optname" | sed 's/-/_/g')
1267
    is_in $optname $CMDLINE_SET || die_unknown $opt
1268
    eval $optname='$optval'
1269
    ;;
1270
    esac
1271
done
1272

    
1273
disabled logging && logfile=/dev/null
1274

    
1275
echo "# $0 $@" > $logfile
1276
set >> $logfile
1277

    
1278
test -n "$cross_prefix" && enable cross_compile
1279

    
1280
ar="${cross_prefix}${ar}"
1281
cc_default="${cross_prefix}${cc_default}"
1282
nm_default="${cross_prefix}${nm_default}"
1283
ranlib="${cross_prefix}${ranlib}"
1284
strip="${cross_prefix}${strip}"
1285

    
1286
set_default cc nm
1287
enabled cross_compile || host_cc_default=$cc
1288
set_default host_cc
1289

    
1290
# set temporary file name
1291
: ${TMPDIR:=$TEMPDIR}
1292
: ${TMPDIR:=$TMP}
1293
: ${TMPDIR:=/tmp}
1294

    
1295
TMPC="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
1296
TMPE="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
1297
TMPH="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
1298
TMPO="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
1299
TMPS="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
1300
TMPSH="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
1301

    
1302
check_cflags -std=c99
1303

    
1304
case "$arch" in
1305
    i386|i486|i586|i686|i86pc|BePC)
1306
        arch="x86_32"
1307
        enable fast_unaligned
1308
    ;;
1309
    x86_64|amd64)
1310
        arch="x86_32"
1311
        enable cmov
1312
        enable fast_cmov
1313
        enable fast_unaligned
1314
        check_cc <<EOF && enable fast_64bit && arch="x86_64"
1315
        int test[sizeof(char*) - 7];
1316
EOF
1317
    ;;
1318
    arm|armv[4567]*l)
1319
        arch="arm"
1320
    ;;
1321
    alpha)
1322
        arch="alpha"
1323
        enable fast_64bit
1324
    ;;
1325
    "Power Macintosh"|ppc|powerpc)
1326
        arch="ppc"
1327
        enable fast_unaligned
1328
    ;;
1329
    ppc64)
1330
        arch="ppc"
1331
        enable fast_64bit
1332
        enable fast_unaligned
1333
    ;;
1334
    mips|mipsel|IP*)
1335
        arch="mips"
1336
    ;;
1337
    mips64)
1338
        arch="mips"
1339
        enable fast_64bit
1340
    ;;
1341
    sun4u|sparc64)
1342
        arch="sparc64"
1343
        enable fast_64bit
1344
    ;;
1345
    sparc)
1346
        arch="sparc"
1347
    ;;
1348
    sh4|sh)
1349
        arch="sh4"
1350
    ;;
1351
    parisc|hppa)
1352
        arch="parisc"
1353
    ;;
1354
    parisc64|hppa64)
1355
        arch="parisc"
1356
        enable fast_64bit
1357
    ;;
1358
    s390|s390x)
1359
        arch="s390"
1360
    ;;
1361
    m68k)
1362
        arch="m68k"
1363
    ;;
1364
    ia64)
1365
        arch="ia64"
1366
        enable fast_64bit
1367
    ;;
1368
    bfin)
1369
        arch="bfin"
1370
    ;;
1371
    *)
1372
        arch="unknown"
1373
    ;;
1374
esac
1375

    
1376
enable $arch
1377
enabled_any x86_32 x86_64 && enable x86
1378
enabled     sparc64       && enable sparc
1379

    
1380
# OS specific
1381
case $target_os in
1382
    beos|haiku|zeta)
1383
        prefix_default="$HOME/config"
1384
        # helps building libavcodec
1385
        add_cflags -DPIC -fomit-frame-pointer
1386
        # 3 gcc releases known for BeOS, each with ugly bugs
1387
        gcc_version="`$cc -v 2>&1 | grep version | cut -d ' ' -f3-`"
1388
        case "$gcc_version" in
1389
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1390
            disable mmx
1391
            ;;
1392
          *20010315*) echo "BeBits gcc"
1393
            add_cflags -fno-expensive-optimizations
1394
            ;;
1395
        esac
1396
        SHFLAGS=-nostart
1397
        # enable BeOS things
1398
        enable audio_beos
1399
        # no need for libm, but the inet stuff
1400
        # Check for BONE
1401
        # XXX: actually should check for NOT net_server
1402
        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
1403
            network_extralibs="-lbind -lsocket"
1404
        else
1405
            enable beos_netserver
1406
            network_extralibs="-lnet"
1407
        fi ;;
1408
    sunos)
1409
        FFSERVERLDFLAGS=""
1410
        SHFLAGS='-shared -Wl,-h,$$(@F)'
1411
        network_extralibs="-lsocket -lnsl"
1412
        add_cflags -D__EXTENSIONS__
1413
        ;;
1414
    netbsd)
1415
        oss_demuxer_extralibs="-lossaudio"
1416
        oss_muxer_extralibs="-lossaudio"
1417
        ;;
1418
    openbsd)
1419
        disable need_memalign
1420
        LIBOBJFLAGS='$(PIC)'
1421
        SHFLAGS='-shared'
1422
        oss_demuxer_extralibs="-lossaudio"
1423
        oss_muxer_extralibs="-lossaudio"
1424
        ;;
1425
    freebsd)
1426
        disable need_memalign
1427
        ;;
1428
    bsd/os)
1429
        osextralibs="-lpoll -lgnugetopt"
1430
        strip="strip -d"
1431
        ;;
1432
    darwin)
1433
        disable need_memalign
1434
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
1435
        VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$$(@F)'
1436
        strip="strip -x"
1437
        FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
1438
        SLIBSUF=".dylib"
1439
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
1440
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
1441
        FFSERVERLDFLAGS=-Wl,-bind_at_load
1442
        objformat="macho"
1443
        enabled x86_64 && objformat="macho64"
1444
        ;;
1445
    mingw32*)
1446
        target_os=mingw32
1447
        LIBTARGET=i386
1448
        if test $arch = x86_64; then
1449
            disable need_memalign
1450
            LIBTARGET=x64
1451
        fi
1452
        shlibdir_default="$bindir_default"
1453
        VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1454
        VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1455
        if enabled swscale; then
1456
            VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1457
            VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1458
        fi
1459
        disable ffserver
1460
        SLIBPREF=""
1461
        SLIBSUF=".dll"
1462
        EXESUF=".exe"
1463
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1464
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1465
        SLIB_EXTRA_CMD='-lib /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
1466
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
1467
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
1468
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
1469
        SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
1470
        objformat="win32"
1471
        enable dos_paths
1472
        check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
1473
            die "ERROR: MinGW runtime version must be >= 3.15."
1474
        enabled_any avisynth vfwcap_demuxer &&
1475
            { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
1476
              die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
1477
        ;;
1478
    cygwin*)
1479
        target_os=cygwin
1480
        shlibdir_default="$bindir_default"
1481
        VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
1482
        VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
1483
        if enabled swscale; then
1484
            VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
1485
            VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
1486
        fi
1487
        EXESUF=".exe"
1488
        SLIBPREF="cyg"
1489
        SLIBSUF=".dll"
1490
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
1491
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
1492
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
1493
        objformat="win32"
1494
        enable dos_paths
1495
        ;;
1496
    *-dos|freedos|opendos)
1497
        disable ffplay ffserver vhook
1498
        disable $INDEV_LIST $OUTDEV_LIST
1499
        network_extralibs="-lsocket"
1500
        EXESUF=".exe"
1501
        objformat="coff"
1502
        enable dos_paths
1503
        ;;
1504
    linux)
1505
        enable dv1394
1506
        ;;
1507
    irix*)
1508
        target_os=irix
1509
        ranlib="echo ignoring ranlib"
1510
        ;;
1511
    os/2*)
1512
        strip="lxlite"
1513
        ln_s="cp -f"
1514
        EXESUF=".exe"
1515
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
1516
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
1517
        FFSERVERLDFLAGS=""
1518
        LIBSUF="_s.a"
1519
        SLIBPREF=""
1520
        SLIBSUF=".dll"
1521
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
1522
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
1523
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
1524
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
1525
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
1526
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
1527
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
1528
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
1529
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
1530
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
1531
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
1532
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
1533
        disable vhook
1534
        enable dos_paths
1535
        ;;
1536
    interix)
1537
        disable vhook
1538
        ;;
1539

    
1540
    *)
1541
        target_os="${target_os}-UNKNOWN"
1542
        ;;
1543
esac
1544

    
1545
set_default $PATHS_LIST
1546

    
1547
add_extralibs $osextralibs
1548

    
1549
# Combine FFLDFLAGS and the LDFLAGS environment variable.
1550
LDFLAGS="$FFLDFLAGS $LDFLAGS"
1551

    
1552
# we need to build at least one lib type
1553
if ! enabled_any static shared; then
1554
    cat <<EOF
1555
At least one library type must be built.
1556
Specify --enable-static to build the static libraries or --enable-shared to
1557
build the shared libraries as well. To only build the shared libraries specify
1558
--disable-static in addition to --enable-shared.
1559
EOF
1560
    exit 1;
1561
fi
1562

    
1563
disabled static && LIBNAME=""
1564

    
1565
if enabled_any libfaad libfaadbin ; then
1566
    if check_header faad.h; then
1567
        check_cc <<EOF
1568
#include <faad.h>
1569
#ifndef FAAD2_VERSION
1570
ok faad1
1571
#endif
1572
int main(void) { return 0; }
1573
EOF
1574
        test $? = 0 && enable libfaad2
1575
    else
1576
        die "FAAD test failed."
1577
    fi
1578
fi
1579

    
1580

    
1581
if ! enabled gpl; then
1582
    die_gpl_disabled(){
1583
        name=$1
1584
        shift
1585
        enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
1586
    }
1587
    die_gpl_disabled "The Postprocessing code" postproc
1588
    die_gpl_disabled "libx264"                 libx264
1589
    die_gpl_disabled "libxvidcore"             libxvid
1590
    die_gpl_disabled "FAAD2"                   libfaad2
1591
    die_gpl_disabled "The X11 grabber"         x11grab
1592
    die_gpl_disabled "The software scaler"     swscale
1593
fi
1594

    
1595
if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
1596
    die "libamr is nonfree and --enable-nonfree is not specified."
1597
fi
1598

    
1599
check_deps $ARCH_EXT_LIST
1600

    
1601
test -z "$need_memalign" && need_memalign="$mmx"
1602

    
1603
#Darwin CC versions
1604
if test $target_os = darwin; then
1605
    if $cc -v 2>&1 | grep -q xlc; then
1606
        add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
1607
    else
1608
        add_cflags -pipe
1609
        check_cflags -force_cpusubtype_ALL
1610
        check_cflags -Wno-sign-compare
1611
        enabled shared || check_cflags -mdynamic-no-pic
1612
    fi
1613
fi
1614

    
1615
disabled optimizations || check_cflags -fomit-frame-pointer
1616

    
1617
# Add processor-specific flags
1618
if test $cpu != "generic"; then
1619
    warn_altivec(){
1620
        $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
1621
    }
1622
    case $cpu in
1623
        601|ppc601|PowerPC601)
1624
            add_cflags -mcpu=601
1625
            warn_altivec enabled PPC601
1626
        ;;
1627
        603*|ppc603*|PowerPC603*)
1628
            add_cflags -mcpu=603
1629
            warn_altivec enabled PPC603
1630
        ;;
1631
        604*|ppc604*|PowerPC604*)
1632
            add_cflags -mcpu=604
1633
            warn_altivec enabled PPC604
1634
        ;;
1635
        G3|g3|75*|ppc75*|PowerPC75*)
1636
            add_cflags -mcpu=750 -mpowerpc-gfxopt
1637
            warn_altivec enabled PPC75x
1638
        ;;
1639
        G4|g4|745*|ppc745*|PowerPC745*)
1640
            add_cflags -mcpu=7450 -mpowerpc-gfxopt
1641
            warn_altivec disabled PPC745x
1642
        ;;
1643
        74*|ppc74*|PowerPC74*)
1644
            add_cflags -mcpu=7400 -mpowerpc-gfxopt
1645
            warn_altivec disabled PPC74xx
1646
        ;;
1647
        G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1648
            add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
1649
            warn_altivec disabled PPC970
1650
            enable ppc64
1651
        ;;
1652
        Cell|CELL|cell)
1653
            add_cflags -mcpu=cell
1654
            warn_altivec disabled Cell
1655
            enable ppc64
1656
        ;;
1657
        # targets that do NOT support conditional mov (cmov)
1658
        i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1659
            add_cflags -march=$cpu
1660
            disable cmov
1661
        ;;
1662
        # targets that do support conditional mov (cmov)
1663
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
1664
            add_cflags -march=$cpu
1665
            enable cmov
1666
            enable fast_cmov
1667
        ;;
1668
        # targets that do support conditional mov but on which it's slow
1669
        pentium4|pentium4m|prescott|nocona)
1670
            add_cflags -march=$cpu
1671
            enable cmov
1672
            disable fast_cmov
1673
        ;;
1674
        sparc64)
1675
            add_cflags -mcpu=v9
1676
        ;;
1677
        arm11*|cortex*)
1678
            add_cflags -mcpu=$cpu
1679
            enable fast_unaligned
1680
        ;;
1681
        armv*)
1682
            add_cflags -march=$cpu
1683
        ;;
1684
        arm*)
1685
            add_cflags -mcpu=$cpu
1686
        ;;
1687
        *)
1688
            echo "WARNING: Unknown CPU \"$cpu\", ignored."
1689
        ;;
1690
    esac
1691
fi
1692

    
1693
# make sure we can execute files in $TMPDIR
1694
cat > $TMPSH 2>> $logfile <<EOF
1695
#! /bin/sh
1696
EOF
1697
chmod +x $TMPSH >> $logfile 2>&1
1698
if ! $TMPSH >> $logfile 2>&1; then
1699
    cat <<EOF
1700
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1701
variable to another directory and make sure that it is not mounted noexec.
1702
EOF
1703
    die "Sanity test failed."
1704
fi
1705
rm $TMPSH
1706

    
1707
# compiler sanity check
1708
check_exec <<EOF
1709
int main(void){ return 0; }
1710
EOF
1711
if test "$?" != 0; then
1712
    echo "$cc is unable to create an executable file."
1713
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
1714
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1715
        echo "Only do this if you know what cross compiling means."
1716
    fi
1717
    die "C compiler test failed."
1718
fi
1719

    
1720
check_cc <<EOF || die "Symbol mangling check failed."
1721
int ff_extern;
1722
EOF
1723
sym=$($nm -P -g $TMPO | grep ff_extern)
1724
extern_prefix=${sym%%ff_extern*}
1725

    
1726
check_asm inline_asm '""'
1727

    
1728
if enabled x86; then
1729
    # check whether EBP is available on x86
1730
    # As 'i' is stored on the stack, this program will crash
1731
    # if the base pointer is used to access it because the
1732
    # base pointer is cleared in the inline assembly code.
1733
    check_exec_crash <<EOF && enable ebp_available
1734
    volatile int i=0;
1735
    __asm__ volatile (
1736
        "xorl %%ebp, %%ebp"
1737
    ::: "%ebp");
1738
    return i;
1739
EOF
1740

    
1741
    # check wether EBX is available on x86
1742
    check_asm ebx_available '"":::"%ebx"'
1743

    
1744
    # check whether binutils is new enough to compile SSSE3/MMX2
1745
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
1746
    enabled mmx2  && check_asm mmx2  '"movss %xmm0, %xmm0"'
1747

    
1748
    check_asm bswap '"bswap %%eax" ::: "%eax"'
1749

    
1750
    YASMFLAGS="-f $objformat -DARCH_$(toupper $arch)"
1751
    enabled     x86_64        && append YASMFLAGS "-m amd64"
1752
    enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
1753
    case "$objformat" in
1754
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
1755
        macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
1756
        *)                    append YASMFLAGS "-DPREFIX"  ;;
1757
    esac
1758
    check_yasm "pabsw xmm0, xmm0" && enable yasm
1759
fi
1760

    
1761
# check for assembler specific support
1762

    
1763
if test $arch = "ppc"; then
1764
    check_asm dcbzl '"dcbzl 0, 1"'
1765
fi
1766

    
1767
# check for SIMD availability
1768

    
1769
# AltiVec flags: The FSF version of GCC differs from the Apple version
1770
if enabled altivec; then
1771
    check_cflags -maltivec -mabi=altivec &&
1772
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
1773
        check_cflags -faltivec
1774

    
1775
    # check if our compiler supports Motorola AltiVec C API
1776
    check_cc <<EOF || disable altivec
1777
$inc_altivec_h
1778
int main(void) {
1779
    vector signed int v1, v2, v3;
1780
    v1 = vec_add(v2,v3);
1781
    return 0;
1782
}
1783
EOF
1784

    
1785
    # check if our compiler supports braces for vector declarations
1786
    check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
1787
$inc_altivec_h
1788
int main (void) { (vector int) {1}; return 0; }
1789
EOF
1790
fi
1791

    
1792
# We have to check if pld is a nop and disable it.
1793
enabled arm     && check_asm pld     '"pld [r0]"'
1794
enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
1795
enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
1796
enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
1797
enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
1798
enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
1799
enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
1800
enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
1801
enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
1802

    
1803
enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
1804

    
1805
# ---
1806
# big/little-endian test
1807
check_cc <<EOF || die "endian test failed"
1808
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
1809
EOF
1810
od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
1811

    
1812
# ---
1813
# check availability of some header files
1814

    
1815
if check_func dlopen; then
1816
    ldl=
1817
elif check_func dlopen -ldl; then
1818
    ldl=-ldl
1819
fi
1820

    
1821
check_func  fork
1822
check_func  gethrtime
1823
check_func  getrusage
1824
check_func  inet_aton $network_extralibs
1825
check_func  memalign
1826
check_func  mkstemp
1827
check_func  posix_memalign
1828
check_func_headers windows.h GetProcessTimes
1829

    
1830
check_header conio.h
1831
check_header dlfcn.h
1832
check_header malloc.h
1833
check_header poll.h
1834
check_header sys/mman.h
1835
check_header sys/resource.h
1836
check_header sys/select.h
1837
check_header termios.h
1838
check_header vdpau/vdpau.h
1839
check_header vdpau/vdpau_x11.h
1840
check_header X11/extensions/XvMClib.h
1841

    
1842
if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
1843
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
1844
fi
1845

    
1846
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
1847
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
1848

    
1849
# check for some common methods of building with pthread support
1850
# do this before the optional library checks as some of them require pthreads
1851
if enabled pthreads; then
1852
    if check_func pthread_create; then
1853
        :
1854
    elif check_func pthread_create -pthread; then
1855
        add_cflags -pthread
1856
        add_extralibs -pthread
1857
    elif check_func pthread_create -pthreads; then
1858
        add_cflags -pthreads
1859
        add_extralibs -pthreads
1860
    elif check_func pthread_create -lpthreadGC2; then
1861
        add_extralibs -lpthreadGC2
1862
    elif ! check_lib pthread.h pthread_create -lpthread; then
1863
        die "ERROR: can't find pthreads library"
1864
    fi
1865
fi
1866

    
1867
for thread in $THREADS_LIST; do
1868
    if enabled $thread; then
1869
        test -n "$thread_type" &&
1870
            die "ERROR: Only one thread type must be selected." ||
1871
            thread_type="$thread"
1872
    fi
1873
done
1874

    
1875
check_lib math.h sin -lm
1876

    
1877
# test for C99 functions in math.h
1878
for func in llrint lrint lrintf round roundf; do
1879
    check_exec <<EOF && enable $func || disable $func
1880
#include <math.h>
1881
int main(void) { return ($func(3.999f) > 0)?0:1; }
1882
EOF
1883
done
1884

    
1885
# these are off by default, so fail if requested and not available
1886
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
1887
enabled libamr_nb  && require  libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
1888
enabled libamr_wb  && require  libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
1889
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
1890
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
1891
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
1892
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
1893
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
1894
enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
1895
enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
1896
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
1897
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
1898
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
1899
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
1900
enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
1901
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
1902
enabled libx264    && require  libx264 x264.h x264_encoder_open -lx264 -lm &&
1903
                      { check_cpp_condition x264.h "X264_BUILD >= 65" ||
1904
                        die "ERROR: libx264 version must be >= 0.65."; }
1905
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
1906
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
1907

    
1908
# libdc1394 check
1909
if enabled libdc1394; then
1910
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
1911
        enable libdc1394_2; } ||
1912
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
1913
        enable libdc1394_1; } ||
1914
    die "ERROR: No version of libdc1394 found "
1915
fi
1916

    
1917

    
1918
_restrict=
1919
for restrict_keyword in restrict __restrict__ __restrict; do
1920
    check_cc <<EOF && _restrict=$restrict_keyword && break
1921
void foo(char * $restrict_keyword p);
1922
EOF
1923
done
1924

    
1925
test "$vhook" = "default" && vhook="$dlopen"
1926

    
1927
if test "$target_os" = cygwin -o "$target_os" = mingw32 && enabled_all static vhook ; then
1928
    disable vhook
1929
    echo
1930
    echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
1931
    echo "Patches welcome."
1932
    echo
1933
fi
1934

    
1935
if enabled vhook; then
1936
    check_ldflags -rdynamic
1937
    check_ldflags -export-dynamic
1938
fi
1939

    
1940
check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
1941
check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
1942

    
1943
##########################################
1944
# SDL check
1945

    
1946
disable sdl_too_old
1947
disable sdl
1948
SDL_CONFIG="${cross_prefix}sdl-config"
1949
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
1950
    sdl_cflags=`"${SDL_CONFIG}" --cflags`
1951
    temp_cflags $sdl_cflags
1952
    temp_extralibs `"${SDL_CONFIG}" --libs`
1953
    if check_lib2 SDL.h SDL_Init; then
1954
        _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
1955
        if test "$_sdlversion" -lt 121 ; then
1956
            enable sdl_too_old
1957
        else
1958
            enable sdl
1959
            check_cc $sdl_cflags <<EOF && enable sdl_video_size
1960
#include <SDL.h>
1961
int main(int argc, char **argv){
1962
    const SDL_VideoInfo *vi = SDL_GetVideoInfo();
1963
    int w = vi->current_w;
1964
    return 0;
1965
}
1966
EOF
1967
        fi
1968
    fi
1969
    restore_flags
1970
fi
1971

    
1972
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
1973

    
1974
##########################################
1975
# Network check
1976

    
1977
if enabled network; then
1978
    check_type "sys/types.h sys/socket.h" socklen_t
1979
    # Prefer arpa/inet.h over winsock2
1980
    if check_header arpa/inet.h ; then
1981
        check_func closesocket
1982
    elif check_header winsock2.h ; then
1983
        network_extralibs="-lws2_32"
1984
        check_type ws2tcpip.h socklen_t
1985
        check_func_headers winsock2.h closesocket
1986
    fi
1987
fi
1988

    
1989
##########################################
1990
# IPv6 check
1991

    
1992
enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
1993
#include <sys/types.h>
1994
#include <sys/socket.h>
1995
#include <netinet/in.h>
1996
#include <netdb.h>
1997
int main(void) {
1998
    struct sockaddr_storage saddr;
1999
    struct ipv6_mreq mreq6;
2000
    getaddrinfo(0,0,0,0);
2001
    getnameinfo(0,0,0,0,0,0,0);
2002
    IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
2003
}
2004
EOF
2005

    
2006
check_header linux/videodev.h
2007
check_header linux/videodev2.h
2008
check_header sys/videoio.h
2009

    
2010
check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
2011

    
2012
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2013
{ check_header dev/bktr/ioctl_meteor.h &&
2014
  check_header dev/bktr/ioctl_bt848.h; } ||
2015
{ check_header machine/ioctl_meteor.h &&
2016
  check_header machine/ioctl_bt848.h; } ||
2017
{ check_header dev/video/meteor/ioctl_meteor.h &&
2018
  check_header dev/video/bktr/ioctl_bt848.h; } ||
2019
check_header dev/ic/bt8xx.h
2020

    
2021
check_header sys/soundcard.h
2022
check_header soundcard.h
2023

    
2024
# deal with the X11 frame grabber
2025
enabled x11grab                         &&
2026
check_header X11/Xlib.h                 &&
2027
check_header X11/extensions/XShm.h      &&
2028
check_func XOpenDisplay -lX11           &&
2029
check_func XShmCreateImage -lX11 -lXext
2030

    
2031
enabled debug && add_cflags -g"$debuglevel"
2032

    
2033
# add some useful compiler flags if supported
2034
check_cflags -Wdeclaration-after-statement
2035
check_cflags -Wall
2036
check_cflags -Wno-switch
2037
check_cflags -Wdisabled-optimization
2038
check_cflags -Wpointer-arith
2039
check_cflags -Wredundant-decls
2040
check_cflags -Wno-pointer-sign
2041
check_cflags -Wcast-qual
2042
check_cflags -Wwrite-strings
2043
check_cflags -Wtype-limits
2044
enabled extra_warnings && check_cflags -Winline
2045

    
2046
# add some linker flags
2047
check_ldflags -Wl,--warn-common
2048
check_ldflags -Wl,--as-needed
2049
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'
2050
check_ldflags -Wl,-Bsymbolic
2051

    
2052
if enabled small; then
2053
    check_cflags -Os            # not all compilers support -Os
2054
    optimizations="small"
2055
elif enabled optimizations; then
2056
    if $cc -v 2>&1 | grep -q xlc; then
2057
        add_cflags  -O5
2058
        add_ldflags -O5
2059
    else
2060
        add_cflags -O3
2061
    fi
2062
fi
2063
check_cflags -fno-math-errno
2064
check_cflags -fno-signed-zeros
2065

    
2066
# add some flags for Intel C Compiler
2067
if $cc --version 2> /dev/null | grep -q Intel; then
2068
  # Just warnings, no remarks
2069
  check_cflags -w1
2070
  # -wd: Disable following warnings
2071
  # 144, 167, 556: -Wno-pointer-sign
2072
  # 10006: ignoring unknown option -fno-signed-zeros
2073
  # 10156: ignoring option '-W'; no argument required
2074
  check_cflags -wd144,167,556,10006,10156
2075
  # 11030: Warning unknown option --as-needed
2076
  # 10156: ignoring option '-export'; no argument required
2077
  check_ldflags -wd10156,11030
2078
  # Allow to compile with optimizations
2079
  check_ldflags -march=$cpu
2080
fi
2081

    
2082
# PIC flags for shared library objects where they are needed
2083
if enabled shared; then
2084
    # LIBOBJFLAGS may have already been set in the OS configuration
2085
    if test -z "$LIBOBJFLAGS" ; then
2086
        case "$arch" in
2087
            x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
2088
        esac
2089
    fi
2090
fi
2091

    
2092
if enabled gprof; then
2093
    add_cflags  -p
2094
    add_ldflags -p
2095
fi
2096

    
2097
VHOOKCFLAGS="-fPIC"
2098

    
2099
# Find out if the .align argument is a power of two or not.
2100
check_asm asmalign_pot '".align 3"'
2101

    
2102
enabled_any $DECODER_LIST      && enable decoders
2103
enabled_any $ENCODER_LIST      && enable encoders
2104
enabled_any $BSF_LIST          && enable bsfs
2105
enabled_any $DEMUXER_LIST      && enable demuxers
2106
enabled_any $MUXER_LIST        && enable muxers
2107
enabled_any $FILTER_LIST       && enable filters
2108
enabled_any $INDEV_LIST        && enable demuxers
2109
enabled_any $OUTDEV_LIST       && enable muxers
2110
enabled_any $PROTOCOL_LIST     && enable protocols
2111

    
2112
enabled_any $THREADS_LIST      && enable threads
2113

    
2114
check_deps $CONFIG_LIST       \
2115
           $CONFIG_EXTRA      \
2116
           $HAVE_LIST         \
2117
           $DECODER_LIST      \
2118
           $ENCODER_LIST      \
2119
           $PARSER_LIST       \
2120
           $BSF_LIST          \
2121
           $DEMUXER_LIST      \
2122
           $MUXER_LIST        \
2123
           $FILTER_LIST       \
2124
           $INDEV_LIST        \
2125
           $OUTDEV_LIST       \
2126
           $PROTOCOL_LIST     \
2127

    
2128
echo "install prefix            $prefix"
2129
echo "source path               $source_path"
2130
echo "C compiler                $cc"
2131
echo ".align is power-of-two    $asmalign_pot"
2132
echo "ARCH                      $arch ($cpu)"
2133
if test "$build_suffix" != ""; then
2134
    echo "build suffix              $build_suffix"
2135
fi
2136
if test "$extra_version" != ""; then
2137
    echo "version string suffix     $extra_version"
2138
fi
2139
echo "big-endian                ${bigendian-no}"
2140
if test $arch = "x86_32" -o $arch = "x86_64"; then
2141
    echo "yasm                      ${yasm-no}"
2142
    echo "MMX enabled               ${mmx-no}"
2143
    echo "SSE enabled               ${sse-no}"
2144
    echo "CMOV enabled              ${cmov-no}"
2145
    echo "CMOV is fast              ${fast_cmov-no}"
2146
    echo "EBX available             ${ebx_available-no}"
2147
    echo "EBP available             ${ebp_available-no}"
2148
fi
2149
if test $arch = "arm"; then
2150
    echo "ARMv5TE enabled           ${armv5te-no}"
2151
    echo "ARMv6 enabled             ${armv6-no}"
2152
    echo "ARMv6T2 enabled           ${armv6t2-no}"
2153
    echo "ARM VFP enabled           ${armvfp-no}"
2154
    echo "IWMMXT enabled            ${iwmmxt-no}"
2155
    echo "NEON enabled              ${neon-no}"
2156
fi
2157
if test $arch = "mips"; then
2158
    echo "MMI enabled               ${mmi-no}"
2159
fi
2160
if test $arch = "ppc"; then
2161
    echo "AltiVec enabled           ${altivec-no}"
2162
    echo "dcbzl available           ${dcbzl-no}"
2163
fi
2164
echo "gprof enabled             ${gprof-no}"
2165
echo "debug symbols             ${debug-no}"
2166
echo "strip symbols             ${stripping-no}"
2167
echo "optimizations             ${optimizations-no}"
2168
echo "static                    ${static-no}"
2169
echo "shared                    ${shared-no}"
2170
echo "postprocessing support    ${postproc-no}"
2171
echo "software scaler enabled   ${swscale-no}"
2172
echo "new filter support        ${avfilter-no}"
2173
echo "filters using lavformat   ${avfilter_lavf-no}"
2174
echo "video hooking             ${vhook-no}"
2175
if enabled vhook; then
2176
    echo "Imlib2 support            ${imlib2-no}"
2177
    echo "FreeType support          ${freetype2-no}"
2178
fi
2179
echo "network support           ${network-no}"
2180
if enabled network; then
2181
    echo "IPv6 support              ${ipv6-no}"
2182
fi
2183
echo "threading support         ${thread_type-no}"
2184
echo "SDL support               ${sdl-no}"
2185
if enabled sdl_too_old; then
2186
    echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
2187
fi
2188
echo "Sun medialib support      ${mlib-no}"
2189
echo "AVISynth enabled          ${avisynth-no}"
2190
echo "libamr-nb support         ${libamr_nb-no}"
2191
echo "libamr-wb support         ${libamr_wb-no}"
2192
echo "libdc1394 support         ${libdc1394-no}"
2193
echo "libdirac enabled          ${libdirac-no}"
2194
echo "libfaac enabled           ${libfaac-no}"
2195
echo "libfaad enabled           ${libfaad-no}"
2196
echo "libfaad dlopened          ${libfaadbin-no}"
2197
echo "libgsm enabled            ${libgsm-no}"
2198
echo "libmp3lame enabled        ${libmp3lame-no}"
2199
echo "libnut enabled            ${libnut-no}"
2200
echo "libschroedinger enabled   ${libschroedinger-no}"
2201
echo "libspeex enabled          ${libspeex-no}"
2202
echo "libtheora enabled         ${libtheora-no}"
2203
echo "libvorbis enabled         ${libvorbis-no}"
2204
echo "libx264 enabled           ${libx264-no}"
2205
echo "libxvid enabled           ${libxvid-no}"
2206
echo "vdpau enabled             ${vdpau-no}"
2207
echo "zlib enabled              ${zlib-no}"
2208
echo "bzlib enabled             ${bzlib-no}"
2209
echo
2210

    
2211
for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
2212
    echo "Enabled ${type}s:"
2213
    eval list=\$$(toupper $type)_LIST
2214
    for part in $list; do
2215
        enabled $part && echo ${part%_*}
2216
    done | sort | pr -3 -t
2217
    echo
2218
done
2219

    
2220
license="LGPL"
2221
if enabled nonfree; then
2222
    license="unredistributable"
2223
elif enabled gpl; then
2224
    license="GPL"
2225
fi
2226

    
2227
echo "License: $license"
2228

    
2229
echo "Creating config.mak and config.h..."
2230

    
2231
echo "# Automatically generated by configure - do not modify!" > config.mak
2232
echo "/* Automatically generated by configure - do not modify! */" > $TMPH
2233
echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
2234
echo "#define FFMPEG_CONFIG_H" >> $TMPH
2235
echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH
2236

    
2237
echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
2238
echo "prefix=$prefix" >> config.mak
2239
echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
2240
echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
2241
echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
2242
echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
2243
echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
2244
echo "CC=$cc" >> config.mak
2245
echo "YASM=$yasmexe" >> config.mak
2246
echo "AR=$ar" >> config.mak
2247
echo "RANLIB=$ranlib" >> config.mak
2248
echo "LN_S=$ln_s" >> config.mak
2249
enabled stripping &&
2250
    echo "STRIP=$strip" >> config.mak ||
2251
    echo "STRIP=echo ignoring strip" >> config.mak
2252

    
2253
echo "OPTFLAGS=$CFLAGS" >> config.mak
2254
echo "VHOOKCFLAGS=$VHOOKCFLAGS" >> config.mak
2255
echo "LDFLAGS=$LDFLAGS" >> config.mak
2256
echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
2257
echo "SHFLAGS=$SHFLAGS" >> config.mak
2258
echo "YASMFLAGS=$YASMFLAGS" >> config.mak
2259
echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
2260
echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
2261
echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
2262
echo "BUILD_STATIC=$static" >> config.mak
2263
echo "BUILDSUF=$build_suffix" >> config.mak
2264
echo "FULLNAME=$FULLNAME" >> config.mak
2265
echo "LIBPREF=$LIBPREF" >> config.mak
2266
echo "LIBSUF=$LIBSUF" >> config.mak
2267
echo "LIBNAME=$LIBNAME" >> config.mak
2268
echo "SLIBPREF=$SLIBPREF" >> config.mak
2269
echo "SLIBSUF=$SLIBSUF" >> config.mak
2270
echo "EXESUF=$EXESUF" >> config.mak
2271
echo "EXTRA_VERSION=$extra_version" >> config.mak
2272
echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
2273
echo "HOSTCC=$host_cc" >> config.mak
2274
echo "HOSTCFLAGS=$host_cflags" >> config.mak
2275
echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
2276
echo "HOSTLIBS=$host_libs" >> config.mak
2277
echo "TARGET_EXEC=$target_exec" >> config.mak
2278
echo "TARGET_PATH=$target_path" >> config.mak
2279

    
2280
if enabled bigendian; then
2281
    echo "WORDS_BIGENDIAN=yes" >> config.mak
2282
    echo "#define WORDS_BIGENDIAN 1" >> $TMPH
2283
fi
2284

    
2285
if enabled sdl; then
2286
    echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> config.mak
2287
    echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> config.mak
2288
fi
2289
if enabled texi2html; then
2290
    echo "BUILD_DOC=yes" >> config.mak
2291
fi
2292

    
2293
get_version(){
2294
    name=$1
2295
    file=$source_path/$2
2296
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2297
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
2298
    lcname=$(tolower $name)
2299
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2300
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
2301
}
2302

    
2303
get_version LIBSWSCALE  libswscale/swscale.h
2304
get_version LIBPOSTPROC libpostproc/postprocess.h
2305
get_version LIBAVCODEC  libavcodec/avcodec.h
2306
get_version LIBAVDEVICE libavdevice/avdevice.h
2307
get_version LIBAVFORMAT libavformat/avformat.h
2308
get_version LIBAVUTIL   libavutil/avutil.h
2309
get_version LIBAVFILTER libavfilter/avfilter.h
2310

    
2311
if enabled shared; then
2312
    echo "BUILD_SHARED=yes" >> config.mak
2313
    echo "PIC=-fPIC -DPIC" >> config.mak
2314
    echo "LIBTARGET=${LIBTARGET}" >> config.mak
2315
    echo "SLIBNAME=${SLIBNAME}" >> config.mak
2316
    echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
2317
    echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
2318
    echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
2319
    echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
2320
    echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
2321
    echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
2322
fi
2323
echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
2324
echo "EXTRALIBS=$extralibs" >> config.mak
2325

    
2326
print_config ARCH_   $TMPH config.mak $ARCH_LIST
2327
print_config HAVE_   $TMPH config.mak $HAVE_LIST
2328
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2329
                                      $CONFIG_EXTRA      \
2330
                                      $DECODER_LIST      \
2331
                                      $ENCODER_LIST      \
2332
                                      $PARSER_LIST       \
2333
                                      $BSF_LIST          \
2334
                                      $DEMUXER_LIST      \
2335
                                      $MUXER_LIST        \
2336
                                      $FILTER_LIST       \
2337
                                      $PROTOCOL_LIST     \
2338
                                      $INDEV_LIST        \
2339
                                      $OUTDEV_LIST       \
2340

    
2341
echo "#define restrict $_restrict" >> $TMPH
2342

    
2343
if enabled small; then
2344
    echo "#define av_always_inline"  >> $TMPH
2345
fi
2346

    
2347
echo "SRC_PATH=\"$source_path\"" >> config.mak
2348
echo "SRC_PATH_BARE=$source_path" >> config.mak
2349
echo "BUILD_ROOT=\"$PWD\"" >> config.mak
2350

    
2351
# Apparently it's not possible to portably echo a backslash.
2352
enabled asmalign_pot &&
2353
    printf '#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\\n\\t"\n' >> $TMPH ||
2354
    printf '#define ASMALIGN(ZEROBITS) ".align 1 << " #ZEROBITS "\\n\\t"\n' >> $TMPH
2355

    
2356
echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
2357

    
2358
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2359

    
2360
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2361
cmp -s $TMPH config.h &&
2362
    echo "config.h is unchanged" ||
2363
    mv -f $TMPH config.h
2364

    
2365
rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
2366

    
2367
# build tree in object directory if source path is different from current one
2368
if enabled source_path_used; then
2369
    DIRS="\
2370
        doc               \
2371
        libavcodec        \
2372
        libavcodec/alpha  \
2373
        libavcodec/arm    \
2374
        libavcodec/bfin   \
2375
        libavcodec/mlib   \
2376
        libavcodec/ppc    \
2377
        libavcodec/sh4    \
2378
        libavcodec/sparc  \
2379
        libavcodec/x86    \
2380
        libavdevice       \
2381
        libavfilter       \
2382
        libavformat       \
2383
        libavutil         \
2384
        libpostproc       \
2385
        libswscale        \
2386
        tests             \
2387
        tools             \
2388
        vhook             \
2389
        "
2390
    FILES="\
2391
        Makefile             \
2392
        common.mak           \
2393
        subdir.mak           \
2394
        doc/texi2pod.pl      \
2395
        libavcodec/Makefile  \
2396
        libavdevice/Makefile \
2397
        libavfilter/Makefile \
2398
        libavformat/Makefile \
2399
        libavutil/Makefile   \
2400
        libpostproc/Makefile \
2401
        libswscale/Makefile  \
2402
        "
2403
    for dir in $DIRS ; do
2404
        mkdir -p $dir
2405
    done
2406
    for f in $FILES ; do
2407
        $ln_s "$source_path/$f" $f
2408
    done
2409
fi
2410

    
2411

    
2412
# build pkg-config files
2413

    
2414
pkgconfig_generate(){
2415
name=$1
2416
shortname=${name#lib}${build_suffix}
2417
comment=$2
2418
version=$3
2419
libs=$4
2420
requires=$5
2421
cat <<EOF > $name/$name.pc
2422
prefix=$prefix
2423
exec_prefix=\${prefix}
2424
libdir=$libdir
2425
includedir=$incdir
2426

    
2427
Name: $name
2428
Description: $comment
2429
Version: $version
2430
Requires: $(disabled shared && echo $requires)
2431
Requires.private: $(enabled shared && echo $requires)
2432
Conflicts:
2433
Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
2434
Libs.private: $(enabled shared && echo $libs)
2435
Cflags: -I\${includedir}
2436
EOF
2437
cat <<EOF > $name/$name-uninstalled.pc
2438
prefix=
2439
exec_prefix=
2440
libdir=\${pcfiledir}
2441
includedir=${source_path}
2442

    
2443
Name: $name
2444
Description: $comment
2445
Version: $version
2446
Requires: $requires
2447
Conflicts:
2448
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
2449
Cflags: -I\${includedir}
2450
EOF
2451
}
2452

    
2453
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
2454
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2455
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
2456
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
2457
enabled avfilter &&
2458
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
2459
enabled postproc &&
2460
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
2461
if enabled swscale; then
2462
    pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
2463
else
2464
    pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavcodec = $LIBAVCODEC_VERSION"
2465
    apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
2466
fi