configure 104 KB
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#!/bin/sh
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#
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# Libav configure script
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#
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# Copyright (c) 2000-2002 Fabrice Bellard
# Copyright (c) 2005-2008 Diego Biurrun
# Copyright (c) 2005-2008 Mans Rullgard
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#
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# Prevent locale nonsense from breaking basic text processing.
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LC_ALL=C
export LC_ALL
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# make sure we are running under a compatible shell
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# try to make this part work with most shells

try_exec(){
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    echo "Trying shell $1"
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    type "$1" > /dev/null 2>&1 && exec "$@"
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}

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unset foo
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(: ${foo%%bar}) 2> /dev/null
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E1="$?"

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

if test "$E1" != 0 || test "$E2" = 0; then
    echo "Broken shell detected.  Trying alternatives."
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    export FF_CONF_EXEC
    if test "0$FF_CONF_EXEC" -lt 1; then
        FF_CONF_EXEC=1
        try_exec bash "$0" "$@"
    fi
    if test "0$FF_CONF_EXEC" -lt 2; then
        FF_CONF_EXEC=2
        try_exec ksh "$0" "$@"
    fi
    if test "0$FF_CONF_EXEC" -lt 3; then
        FF_CONF_EXEC=3
        try_exec /usr/xpg4/bin/sh "$0" "$@"
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    fi
    echo "No compatible shell script interpreter found."
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    echo "This configure script requires a POSIX-compatible shell"
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    echo "such as bash or ksh."
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    echo "THIS IS NOT A BUG IN LIBAV, 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 Libav."
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    if test "$BASH_VERSION" = '2.04.0(1)-release'; then
        echo "This bash version ($BASH_VERSION) is broken on your platform."
        echo "Upgrade to a later version if available."
    fi
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    exit 1
fi

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show_help(){
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cat <<EOF
Usage: configure [options]
Options: [defaults in brackets after descriptions]

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Help options:
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  --help                   print this message
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  --list-decoders          show all available decoders
  --list-encoders          show all available encoders
  --list-hwaccels          show all available hardware accelerators
  --list-demuxers          show all available demuxers
  --list-muxers            show all available muxers
  --list-parsers           show all available parsers
  --list-protocols         show all available protocols
  --list-bsfs              show all available bitstream filters
  --list-indevs            show all available input devices
  --list-outdevs           show all available output devices
  --list-filters           show all available filters

Standard options:
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  --logfile=FILE           log tests and output to FILE [config.log]
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  --disable-logging        do not log configure debug information
  --prefix=PREFIX          install in PREFIX [$prefix]
  --bindir=DIR             install binaries in DIR [PREFIX/bin]
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  --datadir=DIR            install data files in DIR [PREFIX/share/avconv]
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  --libdir=DIR             install libs in DIR [PREFIX/lib]
  --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
  --incdir=DIR             install includes in DIR [PREFIX/include]
  --mandir=DIR             install man page in DIR [PREFIX/share/man]

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Licensing options:
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  --enable-gpl             allow use of GPL code, the resulting libs
                           and binaries will be under GPL [no]
  --enable-version3        upgrade (L)GPL to version 3 [no]
  --enable-nonfree         allow use of nonfree code, the resulting libs
                           and binaries will be unredistributable [no]
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Configuration options:
  --disable-static         do not build static libraries [no]
  --enable-shared          build shared libraries [no]
  --enable-small           optimize for size instead of speed
  --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
  --enable-gray            enable full grayscale support (slower color)
  --disable-swscale-alpha  disable alpha channel support in swscale

Component options:
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  --disable-doc            do not build documentation
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  --disable-avconv         disable avconv build
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  --disable-avplay         disable avplay build
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  --disable-avprobe        disable avprobe build
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  --disable-avserver       disable avserver build
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  --disable-avdevice       disable libavdevice build
  --disable-avcodec        disable libavcodec build
  --disable-avformat       disable libavformat build
  --disable-swscale        disable libswscale build
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  --disable-avfilter       disable video filter support [no]
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  --disable-avresample     disable libavresample build [no]
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  --disable-pthreads       disable pthreads [auto]
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  --disable-w32threads     disable Win32 threads [auto]
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  --enable-x11grab         enable X11 grabbing [no]
  --disable-network        disable network support [no]
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  --disable-dct            disable DCT code
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  --disable-mdct           disable MDCT code
  --disable-rdft           disable RDFT code
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  --disable-fft            disable FFT code
  --enable-dxva2           enable DXVA2 code
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  --enable-vaapi           enable VAAPI code
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  --enable-vda             enable VDA code
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  --enable-vdpau           enable VDPAU code
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Individual component options:
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  --disable-everything     disable all components listed below
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  --disable-encoder=NAME   disable encoder NAME
  --enable-encoder=NAME    enable encoder NAME
  --disable-encoders       disable all encoders
  --disable-decoder=NAME   disable decoder NAME
  --enable-decoder=NAME    enable decoder NAME
  --disable-decoders       disable all decoders
  --disable-hwaccel=NAME   disable hwaccel NAME
  --enable-hwaccel=NAME    enable hwaccel NAME
  --disable-hwaccels       disable all hwaccels
  --disable-muxer=NAME     disable muxer NAME
  --enable-muxer=NAME      enable muxer NAME
  --disable-muxers         disable all muxers
  --disable-demuxer=NAME   disable demuxer NAME
  --enable-demuxer=NAME    enable demuxer NAME
  --disable-demuxers       disable all demuxers
  --enable-parser=NAME     enable parser NAME
  --disable-parser=NAME    disable parser NAME
  --disable-parsers        disable all parsers
  --enable-bsf=NAME        enable bitstream filter NAME
  --disable-bsf=NAME       disable bitstream filter NAME
  --disable-bsfs           disable all bitstream filters
  --enable-protocol=NAME   enable protocol NAME
  --disable-protocol=NAME  disable protocol NAME
  --disable-protocols      disable all protocols
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  --enable-indev=NAME      enable input device NAME
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  --disable-indev=NAME     disable input device NAME
  --disable-indevs         disable input devices
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  --enable-outdev=NAME     enable output device NAME
  --disable-outdev=NAME    disable output device NAME
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  --disable-outdevs        disable output devices
  --disable-devices        disable all devices
  --enable-filter=NAME     enable filter NAME
  --disable-filter=NAME    disable filter NAME
  --disable-filters        disable all filters

External library support:
  --enable-avisynth        enable reading of AVISynth script files [no]
  --enable-bzlib           enable bzlib [autodetect]
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  --enable-frei0r          enable frei0r video filtering
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  --enable-gnutls          enable gnutls [no]
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  --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
  --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
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  --enable-libopencv       enable video filtering via libopencv [no]
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  --enable-libcdio         enable audio CD grabbing with libcdio
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  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
                           and libraw1394 [no]
  --enable-libfaac         enable FAAC support via libfaac [no]
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  --enable-libfreetype     enable libfreetype [no]
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  --enable-libgsm          enable GSM support via libgsm [no]
  --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
  --enable-libnut          enable NUT (de)muxing via libnut,
                           native (de)muxer exists [no]
  --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]
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  --enable-libpulse        enable Pulseaudio input via libpulse [no]
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  --enable-librtmp         enable RTMP[E] support via librtmp [no]
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  --enable-libschroedinger enable Dirac support via libschroedinger [no]
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  --enable-libspeex        enable Speex support via libspeex [no]
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  --enable-libtheora       enable Theora encoding via libtheora [no]
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  --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
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  --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
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  --enable-libvorbis       enable Vorbis encoding via libvorbis,
                           native implementation exists [no]
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  --enable-libvpx          enable VP8 support via libvpx [no]
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  --enable-libx264         enable H.264 encoding via x264 [no]
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  --enable-libxavs         enable AVS encoding via xavs [no]
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  --enable-libxvid         enable Xvid encoding via xvidcore,
                           native MPEG-4/Xvid encoder exists [no]
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  --enable-openssl         enable openssl [no]
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  --enable-zlib            enable zlib [autodetect]

Advanced options (experts only):
  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
  --enable-cross-compile   assume a cross-compiler is used
  --sysroot=PATH           root of cross-build tree
  --sysinclude=PATH        location of cross-build system headers
  --target-os=OS           compiler targets OS [$target_os]
  --target-exec=CMD        command to run executables on target
  --target-path=DIR        path to view of build directory on target
  --nm=NM                  use nm tool
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  --ar=AR                  use archive tool AR [$ar_default]
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  --as=AS                  use assembler AS [$as_default]
  --cc=CC                  use C compiler CC [$cc_default]
  --ld=LD                  use linker LD
  --host-cc=HOSTCC         use host C compiler HOSTCC
  --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
  --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
  --host-libs=HLIBS        use libs HLIBS when linking for host
  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
  --extra-libs=ELIBS       add ELIBS [$ELIBS]
  --extra-version=STRING   version string suffix []
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  --optflags               override optimization-related compiler flags
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  --build-suffix=SUFFIX    library name suffix []
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  --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
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  --arch=ARCH              select architecture [$arch]
  --cpu=CPU                select the minimum required CPU (affects
                           instruction selection, may crash on older CPUs)
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  --enable-pic             build position-independent code
  --enable-sram            allow use of on-chip SRAM
  --disable-symver         disable symbol versioning
  --disable-fastdiv        disable table-based division
  --enable-hardcoded-tables use hardcoded tables instead of runtime generation
  --disable-safe-bitstream-reader
                           disable buffer boundary checking in bitreaders
                           (faster, but may crash)
  --enable-memalign-hack   emulate memalign, interferes with memory debuggers

Optimization options (experts only):
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  --disable-asm            disable all assembler optimizations
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  --disable-altivec        disable AltiVec optimizations
  --disable-amd3dnow       disable 3DNow! optimizations
  --disable-amd3dnowext    disable 3DNow! extended optimizations
  --disable-mmx            disable MMX optimizations
  --disable-mmx2           disable MMX2 optimizations
  --disable-sse            disable SSE optimizations
  --disable-ssse3          disable SSSE3 optimizations
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  --disable-avx            disable AVX optimizations
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  --disable-armv5te        disable armv5te optimizations
  --disable-armv6          disable armv6 optimizations
  --disable-armv6t2        disable armv6t2 optimizations
  --disable-armvfp         disable ARM VFP optimizations
  --disable-mmi            disable MMI optimizations
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  --disable-neon           disable NEON optimizations
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  --disable-vis            disable VIS optimizations
  --disable-yasm           disable use of yasm assembler

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Developer options (useful when working on Libav itself):
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  --disable-debug          disable debugging symbols
  --enable-debug=LEVEL     set the debug level [$debuglevel]
  --disable-optimizations  disable compiler optimizations
  --enable-extra-warnings  enable more compiler warnings
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  --samples=PATH           location of test samples for FATE, if not set use
                           \$FATE_SAMPLES at make invocation time.
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  --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
                           should be used only for debugging purposes)
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NOTE: Object files are built at the place where configure is launched.
EOF
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  exit 0
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}
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quotes='""'

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log(){
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    echo "$@" >> $logfile
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}

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

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

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warn(){
    log "WARNING: $*"
    WARNINGS="${WARNINGS}WARNING: $*\n"
}

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

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

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

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c_escape(){
    echo "$*" | sed 's/["\\]/\\\0/g'
}

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sh_quote(){
    v=$(echo "$1" | sed "s/'/'\\\\''/g")
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    test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
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    echo "$v"
}

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cleanws(){
    echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
}

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filter(){
    pat=$1
    shift
    for v; do
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        eval "case $v in $pat) echo $v ;; esac"
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    done
}

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filter_out(){
    pat=$1
    shift
    for v; do
        eval "case $v in $pat) ;; *) echo $v ;; esac"
    done
}

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map(){
    m=$1
    shift
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    for v; do eval $m; done
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}

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

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

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set_safe(){
    var=$1
    shift
    eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
}

get_safe(){
    eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
}

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

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

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enable(){
    set_all yes $*
}

disable(){
    set_all no $*
}

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enable_weak(){
    set_weak yes $*
}

disable_weak(){
    set_weak no $*
}

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enable_safe(){
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    for var; do
        enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
    done
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}

disable_safe(){
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    for var; do
        disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
    done
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}

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

enable_deep(){
    do_enable_deep $*
    enable $*
}

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enable_deep_weak(){
    do_enable_deep $*
    enable_weak $*
}

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

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

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

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

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

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

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

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

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

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

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        disable ${cfg}_checking
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    done
}

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print_config_h(){
    enabled $1 && v=1 || v=0
    echo "#define $2 $v"
}

print_config_mak(){
    enabled $1 && v= || v=!
    echo "$v$2=yes"
}

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print_config_asm(){
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    enabled $1 && v=1 || v=0
    echo "%define $2 $v"
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}

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print_config(){
    pfx=$1
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    files=$2
    shift 2
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    for cfg; do
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        ucname="$(toupper $cfg)"
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        for f in $files; do
            "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
        done
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    done
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}

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print_enabled(){
    test "$1" = -n && end=" " && shift || end="\n"
    suf=$1
    shift
    for v; do
        enabled $v && printf "%s$end" ${v%$suf};
    done
}

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

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prepend(){
    var=$1
    shift
    eval "$var=\"$* \$$var\""
}

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add_cppflags(){
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    append CPPFLAGS $($filter_cppflags "$@")
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}

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add_cflags(){
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    append CFLAGS $($filter_cflags "$@")
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}

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add_asflags(){
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    append ASFLAGS $($filter_asflags "$@")
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}

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add_ldflags(){
    append LDFLAGS "$@"
}

add_extralibs(){
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    prepend extralibs "$@"
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}

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

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

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

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check_as(){
    log check_as "$@"
    cat > $TMPC
    log_file $TMPC
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    check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
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}

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

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

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

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check_cppflags(){
    log check_cppflags "$@"
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    set -- $($filter_cppflags "$@")
    check_cc "$@" <<EOF && append CPPFLAGS "$@"
668 669 670 671
int x;
EOF
}

672
check_cflags(){
673
    log check_cflags "$@"
674 675
    set -- $($filter_cflags "$@")
    check_cc "$@" <<EOF && append CFLAGS "$@"
676 677 678 679
int x;
EOF
}

680 681 682
test_ldflags(){
    log test_ldflags "$@"
    check_ld "$@" <<EOF
683
int main(void){ return 0; }
684 685 686
EOF
}

687 688 689 690 691
check_ldflags(){
    log check_ldflags "$@"
    test_ldflags "$@" && add_ldflags "$@"
}

692
check_header(){
693
    log check_header "$@"
694 695
    header=$1
    shift
696 697
    disable_safe $header
    check_cpp "$@" <<EOF && enable_safe $header
698 699 700 701 702 703
#include <$header>
int x;
EOF
}

check_func(){
704
    log check_func "$@"
705 706
    func=$1
    shift
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707 708
    disable $func
    check_ld "$@" <<EOF && enable $func
709
extern int $func();
710
int main(void){ $func(); }
711 712 713
EOF
}

714
check_mathfunc(){
715
    log check_mathfunc "$@"
716 717 718 719 720
    func=$1
    shift
    disable $func
    check_ld "$@" <<EOF && enable $func
#include <math.h>
721 722
float foo(float f) { return $func(f); }
int main(void){ return 0; }
723 724 725
EOF
}

726 727
check_func_headers(){
    log check_func_headers "$@"
728
    headers=$1
729
    funcs=$2
730
    shift 2
731 732 733 734 735 736 737 738 739
    {
        for hdr in $headers; do
            echo "#include <$hdr>"
        done
        for func in $funcs; do
            echo "long check_$func(void) { return (long) $func; }"
        done
        echo "int main(void) { return 0; }"
    } | check_ld "$@" && enable $funcs && enable_safe $headers
740 741
}

742 743 744 745
check_cpp_condition(){
    log check_cpp_condition "$@"
    header=$1
    condition=$2
746 747
    shift 2
    check_cpp $($filter_cppflags "$@") <<EOF
748 749 750 751 752 753 754
#include <$header>
#if !($condition)
#error "unsatisfied condition: $condition"
#endif
EOF
}

755 756 757 758 759
check_lib(){
    log check_lib "$@"
    header="$1"
    func="$2"
    shift 2
760
    check_header $header && check_func $func "$@" && add_extralibs "$@"
761 762
}

763 764 765
check_lib2(){
    log check_lib2 "$@"
    headers="$1"
766
    funcs="$2"
767
    shift 2
768
    check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
769 770
}

771 772 773 774 775 776 777 778 779 780 781 782 783 784
check_pkg_config(){
    log check_pkg_config "$@"
    pkg="$1"
    headers="$2"
    funcs="$3"
    shift 3
    $pkg_config --exists $pkg || return
    pkg_cflags=$($pkg_config --cflags $pkg)
    pkg_libs=$($pkg_config --libs $pkg)
    check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
        set_safe ${pkg}_cflags $pkg_cflags   &&
        set_safe ${pkg}_libs   $pkg_libs
}

785
check_exec(){
786
    check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
787 788
}

789
check_exec_crash(){
790
    code=$(cat)
791 792 793 794 795 796 797

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

798
    (check_exec "$@") >> $logfile 2>&1 <<EOF
799 800 801 802
#include <signal.h>
static void sighandler(int sig){
    raise(SIGTERM);
}
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803
int main(void){
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    signal(SIGILL, sighandler);
    signal(SIGFPE, sighandler);
    signal(SIGSEGV, sighandler);
#ifdef SIGBUS
    signal(SIGBUS, sighandler);
#endif
    { $code }
}
EOF
}

815 816 817 818 819
check_type(){
    log check_type "$@"
    headers=$1
    type=$2
    shift 2
820
    disable_safe "$type"
821 822 823 824 825
    incs=""
    for hdr in $headers; do
        incs="$incs
#include <$hdr>"
    done
826
    check_cc "$@" <<EOF && enable_safe "$type"
827 828 829 830 831
$incs
$type v;
EOF
}

832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849
check_struct(){
    log check_type "$@"
    headers=$1
    struct=$2
    member=$3
    shift 3
    disable_safe "${struct}_${member}"
    incs=""
    for hdr in $headers; do
        incs="$incs
#include <$hdr>"
    done
    check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
$incs
const void *p = &(($struct *)0)->$member;
EOF
}

850 851 852 853 854 855
require(){
    name="$1"
    header="$2"
    func="$3"
    shift 3
    check_lib $header $func "$@" || die "ERROR: $name not found"
856 857
}

858 859 860 861 862 863 864 865
require2(){
    name="$1"
    headers="$2"
    func="$3"
    shift 3
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
}

866 867 868 869 870 871 872
require_pkg_config(){
    pkg="$1"
    check_pkg_config "$@" || die "ERROR: $pkg not found"
    add_cflags    $(get_safe ${pkg}_cflags)
    add_extralibs $(get_safe ${pkg}_libs)
}

873 874 875 876 877 878 879 880 881 882 883 884 885 886
check_host_cc(){
    log check_host_cc "$@"
    cat > $TMPC
    log_file $TMPC
    check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
}

check_host_cflags(){
    log check_host_cflags "$@"
    check_host_cc "$@" <<EOF && append host_cflags "$@"
int x;
EOF
}

887 888 889 890 891 892
apply(){
    file=$1
    shift
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
}

893
cp_if_changed(){
894 895 896
    cmp -s "$1" "$2" && echo "$2 is unchanged" && return
    mkdir -p "$(dirname $2)"
    cp -f "$1" "$2"
897 898
}

899 900 901
# CONFIG_LIST contains configurable options, while HAVE_LIST is for
# system-dependent things.

902 903 904 905 906
COMPONENT_LIST="
    bsfs
    decoders
    demuxers
    encoders
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907
    filters
908
    hwaccels
909
    indevs
910
    muxers
911
    outdevs
912 913 914 915
    parsers
    protocols
"

916 917 918 919 920 921 922
PROGRAM_LIST="
    avconv
    avplay
    avprobe
    avserver
"

923 924
CONFIG_LIST="
    $COMPONENT_LIST
925
    $PROGRAM_LIST
926
    ac3dsp
927 928
    avcodec
    avdevice
929
    avfilter
930
    avformat
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Justin Ruggles committed
931
    avresample
932
    avisynth
933
    bzlib
934
    dct
935
    doc
936
    dwt
937
    dxva2
938
    fastdiv
939
    fft
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940
    frei0r
941
    gnutls
942
    gpl
943
    gray
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Aurelien Jacobs committed
944
    hardcoded_tables
945
    libcdio
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Ramiro Polla committed
946
    libdc1394
947
    libfaac
948
    libfreetype
949
    libgsm
950
    libmp3lame
951
    libnut
952 953
    libopencore_amrnb
    libopencore_amrwb
954
    libopencv
955
    libopenjpeg
956
    libpulse
957
    librtmp
958
    libschroedinger
959
    libspeex
960
    libtheora
961
    libvo_aacenc
962
    libvo_amrwbenc
963
    libvorbis
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964
    libvpx
965
    libx264
966
    libxavs
967
    libxvid
968
    lsp
969
    mdct
970
    memalign_hack
971
    mpegaudiodsp
972
    network
973
    nonfree
974
    openssl
975
    pic
976
    rdft
977
    rtpdec
978
    runtime_cpudetect
979
    safe_bitstream_reader
980
    shared
981
    sinewin
982
    small
983
    sram
984
    static
985
    swscale
986
    swscale_alpha
987
    thumb
988
    vaapi
989
    vda
990
    vdpau
991
    version3
992
    xmm_clobber_test
993
    x11grab
994
    zlib
995
"
996

997 998 999 1000 1001
THREADS_LIST='
    pthreads
    w32threads
'

1002 1003
ARCH_LIST='
    alpha
1004
    arm
1005 1006 1007
    avr32
    avr32_ap
    avr32_uc
1008 1009 1010 1011
    bfin
    ia64
    m68k
    mips
1012
    mips64
1013
    parisc
1014
    ppc
1015
    ppc64
1016 1017 1018 1019
    s390
    sh4
    sparc
    sparc64
1020
    tomi
1021 1022 1023 1024 1025 1026
    x86
    x86_32
    x86_64
'

ARCH_EXT_LIST='
1027
    altivec
1028
    amd3dnow
1029
    amd3dnowext
1030
    armv5te
1031
    armv6
1032
    armv6t2
1033
    armvfp
1034
    avx
1035 1036
    mmi
    mmx
1037
    mmx2
1038
    neon
1039
    ppc4xx
1040
    sse
1041
    ssse3
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1042
    vfpv3
1043
    vis
1044 1045
'

1046 1047
HAVE_LIST_PUB='
    bigendian
1048
    fast_unaligned
1049 1050
'

1051 1052
HAVE_LIST="
    $ARCH_EXT_LIST
1053
    $HAVE_LIST_PUB
1054
    $THREADS_LIST
1055
    aligned_stack
1056
    alsa_asoundlib_h
1057
    altivec_h
1058
    arpa_inet_h
1059
    asm_mod_y
1060
    attribute_may_alias
1061
    attribute_packed
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Alex Beregszaszi committed
1062
    closesocket
1063
    cmov
1064
    dcbzl
1065 1066 1067 1068
    dev_bktr_ioctl_bt848_h
    dev_bktr_ioctl_meteor_h
    dev_ic_bt8xx_h
    dev_video_bktr_ioctl_bt848_h
1069
    dev_video_meteor_ioctl_meteor_h
1070
    dlfcn_h
1071
    dlopen
1072
    dos_paths
1073 1074
    ebp_available
    ebx_available
1075 1076
    exp2
    exp2f
1077
    fast_64bit
1078
    fast_clz
1079
    fast_cmov
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1080
    fcntl
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1081
    fork
1082
    getaddrinfo
1083
    gethrtime
1084
    GetProcessAffinityMask
1085
    GetProcessMemoryInfo
1086
    GetProcessTimes
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Ramiro Polla committed
1087
    getrusage
1088
    gnu_as
1089
    ibm_asm
1090
    inet_aton
1091
    inline_asm
1092
    isatty
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1093
    ldbrx
1094 1095
    libdc1394_1
    libdc1394_2
1096
    llrint
1097
    llrintf
1098 1099
    local_aligned_16
    local_aligned_8
1100
    localtime_r
1101
    log2
1102
    log2f
1103
    loongson
1104
    lrint
1105
    lrintf
1106 1107
    machine_ioctl_bt848_h
    machine_ioctl_meteor_h
1108
    malloc_h
1109
    MapViewOfFile
1110
    memalign
1111
    mkstemp
1112
    mmap
1113
    poll_h
1114
    posix_memalign
1115 1116
    round
    roundf
1117
    sched_getaffinity
1118 1119
    sdl
    sdl_video_size
1120
    setmode
1121
    setrlimit
1122
    sndio_h
1123
    socklen_t
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1124
    soundcard_h
1125
    strerror_r
1126
    strptime
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1127
    strtok_r
1128
    struct_addrinfo
1129
    struct_ipv6_mreq
1130
    struct_rusage_ru_maxrss
1131
    struct_sockaddr_in6
1132
    struct_sockaddr_sa_len
1133
    struct_sockaddr_storage
1134
    struct_v4l2_frmivalenum_discrete
1135 1136
    symver
    symver_asm_label
1137
    symver_gnu_asm
1138
    sysconf
1139
    sysctl
1140
    sys_mman_h
1141
    sys_param_h
1142
    sys_resource_h
1143
    sys_select_h
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1144
    sys_soundcard_h
1145
    sys_videoio_h
1146
    threads
1147
    trunc
1148
    truncf
1149
    vfp_args
1150
    VirtualAlloc
1151
    winsock2_h
1152
    xform_asm
1153
    xmm_clobbers
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Loren Merritt committed
1154
    yasm
1155
"
1156

1157 1158
# options emitted with CONFIG_ prefix but not available on command line
CONFIG_EXTRA="
1159
    aandct
1160
    avutil
1161
    golomb
1162
    gplv3
1163 1164 1165
    h264chroma
    h264dsp
    h264pred
1166
    h264qpel
1167
    huffman
1168
    lgplv3
1169
    lpc
1170 1171
"

1172
CMDLINE_SELECT="
1173
    $ARCH_EXT_LIST
1174
    $CONFIG_LIST
1175
    $THREADS_LIST
1176
    asm
1177
    cross_compile
1178 1179
    debug
    extra_warnings
1180
    logging
1181
    optimizations
1182
    symver
1183
    yasm
1184
"
1185 1186

PATHS_LIST='
1187
    bindir
1188
    datadir
1189 1190 1191 1192 1193
    incdir
    libdir
    mandir
    prefix
    shlibdir
1194 1195 1196 1197
'

CMDLINE_SET="
    $PATHS_LIST
1198
    ar
1199
    arch
1200
    as
1201 1202 1203 1204
    build_suffix
    cc
    cpu
    cross_prefix
1205
    dep_cc
1206
    extra_version
1207 1208 1209 1210
    host_cc
    host_cflags
    host_ldflags
    host_libs
1211
    host_os
1212
    ld
1213
    logfile
1214
    malloc_prefix
1215
    nm
1216
    optflags
1217
    pkg_config
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1218
    samples
1219 1220
    sysinclude
    sysroot
1221
    target_exec
1222
    target_os
1223
    target_path
1224
"
1225

1226 1227 1228 1229
CMDLINE_APPEND="
    extra_cflags
"

1230 1231
# code dependency declarations

1232
# architecture extensions
1233

1234 1235
armv5te_deps="arm"
armv6_deps="arm"
1236
armv6t2_deps="arm"
1237
armvfp_deps="arm"
1238
neon_deps="arm"
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1239
vfpv3_deps="armvfp"
1240

1241
mmi_deps="mips"
1242 1243 1244 1245 1246 1247

altivec_deps="ppc"
ppc4xx_deps="ppc"

vis_deps="sparc"

1248
x86_64_suggest="cmov fast_cmov"
1249 1250
amd3dnow_deps="mmx"
amd3dnowext_deps="amd3dnow"
1251
mmx_deps="x86"
1252 1253 1254
mmx2_deps="mmx"
sse_deps="mmx"
ssse3_deps="sse"
1255
avx_deps="ssse3"
1256

1257
aligned_stack_if_any="ppc x86"
1258
fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1259
fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1260
fast_unaligned_if_any="armv6 ppc x86"
1261

1262
inline_asm_deps="!tms470"
1263
need_memalign="altivec neon sse"
1264

1265 1266
symver_if_any="symver_asm_label symver_gnu_asm"

1267
# subsystems
1268
dct_select="rdft"
1269 1270
mdct_select="fft"
rdft_select="fft"
1271
mpegaudiodsp_select="dct"
1272

1273
# decoders / encoders / hardware accelerators
1274
aac_decoder_select="mdct sinewin"
1275
aac_encoder_select="mdct sinewin"
1276
aac_latm_decoder_select="aac_decoder aac_latm_parser"
1277
ac3_decoder_select="mdct ac3dsp ac3_parser"
1278
ac3_encoder_select="mdct ac3dsp"
1279
ac3_fixed_encoder_select="mdct ac3dsp"
1280
alac_encoder_select="lpc"
1281
amrnb_decoder_select="lsp"
1282
amrwb_decoder_select="lsp"
1283
atrac1_decoder_select="mdct sinewin"
1284
atrac3_decoder_select="mdct"
1285 1286
binkaudio_dct_decoder_select="mdct rdft dct sinewin"
binkaudio_rdft_decoder_select="mdct rdft sinewin"
1287
cavs_decoder_select="golomb"
1288
cook_decoder_select="mdct sinewin"
1289
cscd_decoder_suggest="zlib"
1290
dca_decoder_select="mdct"
1291
dnxhd_encoder_select="aandct"
1292
dxa_decoder_select="zlib"
1293
eac3_decoder_select="ac3_decoder"
1294
eac3_encoder_select="mdct ac3dsp"
1295
eamad_decoder_select="aandct"
1296
eatgq_decoder_select="aandct"
1297
eatqi_decoder_select="aandct"
1298 1299
ffv1_decoder_select="golomb"
flac_decoder_select="golomb"
1300
flac_encoder_select="golomb lpc"
1301 1302
flashsv_decoder_select="zlib"
flashsv_encoder_select="zlib"
1303
flashsv2_decoder_select="zlib"
1304
flv_decoder_select="h263_decoder"
1305
flv_encoder_select="h263_encoder"
1306
fraps_decoder_select="huffman"
1307
h261_encoder_select="aandct"
1308
h263_decoder_select="h263_parser"
1309
h263_encoder_select="aandct"
1310
h263_vaapi_hwaccel_select="vaapi h263_decoder"
1311
h263i_decoder_select="h263_decoder"
1312
h263p_encoder_select="h263_encoder"
1313
h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1314 1315
h264_dxva2_hwaccel_deps="dxva2api_h"
h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1316
h264_vaapi_hwaccel_select="vaapi h264_decoder"
1317
h264_vda_hwaccel_select="vda h264_decoder"
1318
h264_vdpau_decoder_select="vdpau h264_decoder"
1319
imc_decoder_select="fft mdct sinewin"
1320 1321
jpegls_decoder_select="golomb"
jpegls_encoder_select="golomb"
1322
ljpeg_encoder_select="aandct"
1323
loco_decoder_select="golomb"
1324
mjpeg_encoder_select="aandct"
1325
mlp_decoder_select="mlp_parser"
1326 1327
mp1_decoder_select="mpegaudiodsp"
mp1float_decoder_select="mpegaudiodsp"
1328
mp2_decoder_select="mpegaudiodsp"
1329
mp2float_decoder_select="mpegaudiodsp"
1330 1331
mp3_decoder_select="mpegaudiodsp"
mp3adu_decoder_select="mpegaudiodsp"
1332 1333
mp3adufloat_decoder_select="mpegaudiodsp"
mp3float_decoder_select="mpegaudiodsp"
1334
mp3on4_decoder_select="mpegaudiodsp"
1335
mp3on4float_decoder_select="mpegaudiodsp"
1336 1337
mpc7_decoder_select="mpegaudiodsp"
mpc8_decoder_select="mpegaudiodsp"
1338
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1339 1340
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
mpeg_xvmc_decoder_select="mpegvideo_decoder"
1341
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1342
mpeg1video_encoder_select="aandct"
1343 1344
mpeg2_dxva2_hwaccel_deps="dxva2api_h"
mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1345
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1346 1347 1348
mpeg2video_encoder_select="aandct"
mpeg4_decoder_select="h263_decoder mpeg4video_parser"
mpeg4_encoder_select="h263_encoder"
1349
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1350
mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1351
msmpeg4v1_decoder_select="h263_decoder"
1352
msmpeg4v1_encoder_select="h263_encoder"
1353
msmpeg4v2_decoder_select="h263_decoder"
1354
msmpeg4v2_encoder_select="h263_encoder"
1355
msmpeg4v3_decoder_select="h263_decoder"
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msmpeg4v3_encoder_select="h263_encoder"
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nellymoser_decoder_select="mdct sinewin"
nellymoser_encoder_select="mdct sinewin"
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png_decoder_select="zlib"
png_encoder_select="zlib"
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qcelp_decoder_select="lsp"
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qdm2_decoder_select="mdct rdft mpegaudiodsp"
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ra_144_encoder_select="lpc"
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ralf_decoder_select="golomb"
1365
rv10_decoder_select="h263_decoder"
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rv10_encoder_select="h263_encoder"
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rv20_decoder_select="h263_decoder"
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rv20_encoder_select="h263_encoder"
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rv30_decoder_select="golomb h264chroma h264pred h264qpel"
rv40_decoder_select="golomb h264chroma h264pred h264qpel"
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shorten_decoder_select="golomb"
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sipr_decoder_select="lsp"
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snow_decoder_select="dwt"
snow_encoder_select="aandct dwt"
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svq1_encoder_select="aandct"
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svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1377
svq3_decoder_suggest="zlib"
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theora_decoder_select="vp3_decoder"
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tiff_decoder_suggest="zlib"
tiff_encoder_suggest="zlib"
1381
truehd_decoder_select="mlp_decoder"
1382
tscc_decoder_select="zlib"
1383
twinvq_decoder_select="mdct lsp sinewin"
1384
vc1_decoder_select="h263_decoder h264chroma h264qpel"
1385
vc1_dxva2_hwaccel_deps="dxva2api_h"
1386
vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
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vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
vc1_vdpau_decoder_select="vdpau vc1_decoder"
1389
vc1image_decoder_select="vc1_decoder"
1390 1391
vorbis_decoder_select="mdct"
vorbis_encoder_select="mdct"
1392
vp6_decoder_select="huffman"
1393 1394
vp6a_decoder_select="vp6_decoder"
vp6f_decoder_select="vp6_decoder"
1395
vp8_decoder_select="h264pred h264qpel"
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wmapro_decoder_select="mdct sinewin"
wmav1_decoder_select="mdct sinewin"
wmav1_encoder_select="mdct sinewin"
wmav2_decoder_select="mdct sinewin"
wmav2_encoder_select="mdct sinewin"
wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1402
wmv1_decoder_select="h263_decoder"
1403
wmv1_encoder_select="h263_encoder"
1404
wmv2_decoder_select="h263_decoder"
1405
wmv2_encoder_select="h263_encoder"
1406
wmv3_decoder_select="vc1_decoder"
1407
wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
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wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1410
wmv3image_decoder_select="wmv3_decoder"
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1411
zerocodec_decoder_select="zlib"
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zlib_decoder_select="zlib"
zlib_encoder_select="zlib"
zmbv_decoder_select="zlib"
zmbv_encoder_select="zlib"
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1417
vaapi_deps="va_va_h"
1418
vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
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vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"

1421
# parsers
1422
h264_parser_select="golomb h264dsp h264pred"
1423

1424
# external libraries
1425
libfaac_encoder_deps="libfaac"
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libgsm_decoder_deps="libgsm"
libgsm_encoder_deps="libgsm"
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libgsm_ms_decoder_deps="libgsm"
libgsm_ms_encoder_deps="libgsm"
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libmp3lame_encoder_deps="libmp3lame"
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libopencore_amrnb_decoder_deps="libopencore_amrnb"
libopencore_amrnb_encoder_deps="libopencore_amrnb"
libopencore_amrwb_decoder_deps="libopencore_amrwb"
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libopenjpeg_decoder_deps="libopenjpeg"
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libschroedinger_decoder_deps="libschroedinger"
libschroedinger_encoder_deps="libschroedinger"
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libspeex_decoder_deps="libspeex"
1438
libspeex_encoder_deps="libspeex"
1439
libtheora_encoder_deps="libtheora"
1440
libvo_aacenc_encoder_deps="libvo_aacenc"
1441
libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1442
libvorbis_encoder_deps="libvorbis"
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1443
libvpx_decoder_deps="libvpx"
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libvpx_encoder_deps="libvpx"
1445
libx264_encoder_deps="libx264"
1446
libxavs_encoder_deps="libxavs"
1447
libxvid_encoder_deps="libxvid"
1448

1449
# demuxers / muxers
1450
ac3_demuxer_select="ac3_parser"
1451
asf_stream_muxer_select="asf_muxer"
1452
avisynth_demuxer_deps="avisynth"
1453
dirac_demuxer_select="dirac_parser"
1454
eac3_demuxer_select="ac3_parser"
1455
flac_demuxer_select="flac_parser"
1456
ipod_muxer_select="mov_muxer"
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libnut_demuxer_deps="libnut"
libnut_muxer_deps="libnut"
1459
matroska_audio_muxer_select="matroska_muxer"
1460 1461
matroska_demuxer_suggest="zlib bzlib"
mov_demuxer_suggest="zlib"
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mp3_demuxer_select="mpegaudio_parser"
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mp4_muxer_select="mov_muxer"
mpegtsraw_demuxer_select="mpegts_demuxer"
mxf_d10_muxer_select="mxf_muxer"
1466
ogg_demuxer_select="golomb"
1467
psp_muxer_select="mov_muxer"
1468
rtp_demuxer_select="sdp_demuxer"
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rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
rtsp_demuxer_select="http_protocol rtpdec"
rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
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1472
sap_demuxer_select="sdp_demuxer"
1473
sap_muxer_select="rtp_muxer rtp_protocol"
1474
sdp_demuxer_select="rtpdec"
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spdif_muxer_select="aac_parser"
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tg2_muxer_select="mov_muxer"
tgp_muxer_select="mov_muxer"
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w64_demuxer_deps="wav_demuxer"
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# indevs / outdevs
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alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
alsa_outdev_deps="alsa_asoundlib_h"
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
dv1394_indev_deps="dv1394 dv_demuxer"
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fbdev_indev_deps="linux_fb_h"
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jack_indev_deps="jack_jack_h"
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libcdio_indev_deps="libcdio"
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libdc1394_indev_deps="libdc1394"
oss_indev_deps_any="soundcard_h sys_soundcard_h"
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
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pulse_indev_deps="libpulse"
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sndio_indev_deps="sndio_h"
sndio_outdev_deps="sndio_h"
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v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1495
vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1496
vfwcap_indev_extralibs="-lavicap32"
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x11_grab_device_indev_deps="x11grab XShmCreateImage"
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1499
# protocols
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gopher_protocol_deps="network"
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httpproxy_protocol_deps="network"
httpproxy_protocol_select="tcp_protocol"
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http_protocol_deps="network"
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http_protocol_select="tcp_protocol"
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https_protocol_select="tls_protocol"
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librtmp_protocol_deps="librtmp"
librtmpe_protocol_deps="librtmp"
librtmps_protocol_deps="librtmp"
librtmpt_protocol_deps="librtmp"
librtmpte_protocol_deps="librtmp"
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1511
mmsh_protocol_select="http_protocol"
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mmst_protocol_deps="network"
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rtmp_protocol_deps="!librtmp_protocol"
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rtmp_protocol_select="tcp_protocol"
rtp_protocol_select="udp_protocol"
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tcp_protocol_deps="network"
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tls_protocol_deps_any="openssl gnutls"
tls_protocol_select="tcp_protocol"
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udp_protocol_deps="network"

1521
# filters
1522
blackframe_filter_deps="gpl"
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boxblur_filter_deps="gpl"
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cropdetect_filter_deps="gpl"
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delogo_filter_deps="gpl"
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drawtext_filter_deps="libfreetype"
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frei0r_filter_deps="frei0r dlopen strtok_r"
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frei0r_filter_extralibs='$ldl'
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frei0r_src_filter_deps="frei0r dlopen strtok_r"
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frei0r_src_filter_extralibs='$ldl'
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hqdn3d_filter_deps="gpl"
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ocv_filter_deps="libopencv"
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scale_filter_deps="swscale"
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yadif_filter_deps="gpl"
1535

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# libraries
avdevice_deps="avcodec avformat"
avformat_deps="avcodec"
1539

1540
# programs
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1541
avconv_deps="avcodec avfilter avformat avresample swscale"
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avplay_deps="avcodec avformat swscale sdl"
avplay_select="rdft"
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avprobe_deps="avcodec avformat"
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avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
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avserver_extralibs='$ldl'
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1547

1548
doc_deps="texi2html"
1549

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# tests

test_deps(){
    suf1=$1
    suf2=$2
    shift 2
    for v; do
        dep=${v%=*}
        tests=${v#*=}
        for name in ${tests}; do
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            append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
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        done
    done
}

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mxf_d10_test_deps="avfilter"
seek_lavf_mxf_d10_test_deps="mxf_d10_test"

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test_deps _encoder _decoder                                             \
    adpcm_ima_qt                                                        \
    adpcm_ima_wav                                                       \
    adpcm_ms                                                            \
    adpcm_swf                                                           \
    adpcm_yamaha=adpcm_yam                                              \
    alac                                                                \
    asv1                                                                \
    asv2                                                                \
    bmp                                                                 \
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    dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
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    dvvideo="dv dv_411 dv50"                                            \
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    ffv1                                                                \
    flac                                                                \
    flashsv                                                             \
    flv                                                                 \
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    adpcm_g726=g726                                                     \
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    gif                                                                 \
    h261                                                                \
    h263="h263 h263p"                                                   \
    huffyuv                                                             \
    jpegls                                                              \
    mjpeg="jpg mjpeg ljpeg"                                             \
    mp2                                                                 \
    mpeg1video="mpeg mpeg1b"                                            \
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    mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
    mpeg2video="mpeg2thread mpeg2thread_ilace"                          \
    mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr"     \
    mpeg4="mpeg4thread error rc"                                        \
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    msmpeg4v3=msmpeg4                                                   \
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    msmpeg4v2                                                           \
    pbm=pbmpipe                                                         \
    pcx                                                                 \
    pgm="pgm pgmpipe"                                                   \
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    png                                                                 \
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    ppm="ppm ppmpipe"                                                   \
    rawvideo="rgb yuv"                                                  \
    roq                                                                 \
    rv10                                                                \
    rv20                                                                \
    sgi                                                                 \
    snow="snow snowll"                                                  \
    svq1                                                                \
    targa=tga                                                           \
    tiff                                                                \
    wmav1                                                               \
    wmav2                                                               \
    wmv1                                                                \
    wmv2                                                                \

test_deps _muxer _demuxer                                               \
    aiff                                                                \
    pcm_alaw=alaw                                                       \
    asf                                                                 \
    au                                                                  \
    avi                                                                 \
    dv=dv_fmt                                                           \
    ffm                                                                 \
    flv=flv_fmt                                                         \
    gxf                                                                 \
    matroska=mkv                                                        \
    mmf                                                                 \
    mov                                                                 \
    pcm_mulaw=mulaw                                                     \
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    mxf="mxf mxf_d10"                                                   \
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    nut                                                                 \
    ogg                                                                 \
    rawvideo=pixfmt                                                     \
    rm                                                                  \
    swf                                                                 \
    mpegts=ts                                                           \
    voc                                                                 \
    wav                                                                 \
    yuv4mpegpipe=yuv4mpeg                                               \

1643
ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder"
1644
mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1645

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1646
# default parameters
1647

1648
logfile="config.log"
1649 1650

# installation paths
1651 1652
prefix_default="/usr/local"
bindir_default='${prefix}/bin'
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datadir_default='${prefix}/share/avconv'
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incdir_default='${prefix}/include'
libdir_default='${prefix}/lib'
mandir_default='${prefix}/share/man'
shlibdir_default="$libdir_default"
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# toolchain
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ar_default="ar"
1661
cc_default="gcc"
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cc_version=\"unknown\"
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host_cc_default="gcc"
1664
ln_s="ln -sf"
1665
nm_default="nm"
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objformat="elf"
1667
pkg_config_default=pkg-config
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1668
ranlib="ranlib"
1669
yasmexe="yasm"
1670

1671
nm_opts='-g'
1672
nogas=":"
1673

1674
# machine
1675
arch_default=$(uname -m)
1676
cpu="generic"
1677 1678

# OS
1679 1680
target_os_default=$(tolower $(uname -s))
host_os=$target_os_default
1681 1682

# configurable options
1683 1684
enable $PROGRAM_LIST

1685 1686
enable avcodec
enable avdevice
1687
enable avfilter
1688
enable avformat
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1689
enable avresample
1690
enable avutil
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enable swscale

enable asm
enable debug
enable doc
enable fastdiv
1697
enable network
1698
enable optimizations
1699
enable safe_bitstream_reader
1700
enable static
1701
enable swscale_alpha
1702 1703

# build settings
1704
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1705
AVSERVERLDFLAGS=-Wl,-E
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LIBPREF="lib"
LIBSUF=".a"
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FULLNAME='$(NAME)$(BUILDSUF)'
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
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SLIBPREF="lib"
SLIBSUF=".so"
1712
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1713 1714
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
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1715
LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1716 1717
SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1718

1719
AS_O='-o $@'
1720 1721
CC_O='-o $@'

1722
host_cflags='-D_ISOC99_SOURCE -O3 -g'
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host_libs='-lm'

1725
target_path='$(CURDIR)'
1726

1727 1728
# since the object filename is not given with the -MM flag, the compiler
# is only able to print the basename, and we must add the path ourselves
1729
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1730
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1731

1732
# find source path
1733
if test -f configure; then
1734
    source_path=.
1735
else
1736
    source_path=$(cd $(dirname "$0"); pwd)
1737
    echo "$source_path" | grep -q '[[:blank:]]' &&
1738
        die "Out of tree builds are impossible with whitespace in source path."
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    test -e "$source_path/config.h" &&
        die "Out of tree builds are impossible with config.h in source dir."
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fi

1743
for v in "$@"; do
1744 1745 1746
    r=${v#*=}
    l=${v%"$r"}
    r=$(sh_quote "$r")
1747
    LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1748
done
1749

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

ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
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HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
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PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
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OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
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PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
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FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
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ALL_COMPONENTS="
    $BSF_LIST
    $DECODER_LIST
    $DEMUXER_LIST
    $ENCODER_LIST
    $FILTER_LIST
    $HWACCEL_LIST
    $INDEV_LIST
    $MUXER_LIST
    $OUTDEV_LIST
    $PARSER_LIST
    $PROTOCOL_LIST
"

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find_tests(){
1784
    map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
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}

ACODEC_TESTS=$(find_tests acodec)
VCODEC_TESTS=$(find_tests vsynth1)
LAVF_TESTS=$(find_tests lavf)
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LAVFI_TESTS=$(find_tests lavfi)
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SEEK_TESTS=$(find_tests seek seek_)
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1793 1794
ALL_TESTS="$ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"

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pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))

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for n in $COMPONENT_LIST; do
    v=$(toupper ${n%s})_LIST
    eval enable \$$v
    eval ${n}_if_any="\$$v"
done

1803
enable $ARCH_EXT_LIST $ALL_TESTS
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die_unknown(){
    echo "Unknown option \"$1\"."
    echo "See $0 --help for available options."
    exit 1
}

1811
show_list() {
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    suffix=_$1
    shift
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    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
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    exit 0
}

1818
for opt do
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    optval="${opt#*=}"
    case "$opt" in
1821
    --extra-ldflags=*) add_ldflags $optval
1822
    ;;
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    --extra-libs=*) add_extralibs $optval
1824
    ;;
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    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
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    ;;
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    --enable-debug=*) debuglevel="$optval"
    ;;
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    --disable-everything)
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    map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1831
    ;;
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    --enable-*=*|--disable-*=*)
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    eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
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    is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
    eval list=\$$(toupper $thing)_LIST
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    name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
    $action $(filter "$name" $list)
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    ;;
    --enable-?*|--disable-?*)
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    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1841
    if is_in $option $COMPONENT_LIST; then
1842
        test $action = disable && action=unset
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        eval $action \$$(toupper ${option%s})_LIST
    elif is_in $option $CMDLINE_SELECT; then
        $action $option
    else
        die_unknown $opt
    fi
1849 1850 1851 1852 1853 1854 1855 1856 1857 1858
    ;;
    --list-*)
        NAME="${opt#--list-}"
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
        NAME=${NAME%s}
        eval show_list $NAME \$$(toupper $NAME)_LIST
    ;;
    --help|-h) show_help
    ;;
    *)
1859
    optname="${opt%%=*}"
1860 1861
    optname="${optname#--}"
    optname=$(echo "$optname" | sed 's/-/_/g')
1862 1863 1864 1865 1866 1867 1868
    if is_in $optname $CMDLINE_SET; then
        eval $optname='$optval'
    elif is_in $optname $CMDLINE_APPEND; then
        append $optname "$optval"
    else
         die_unknown $opt
    fi
1869 1870
    ;;
    esac
1871 1872
done

1873 1874
disabled logging && logfile=/dev/null

1875
echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1876 1877
set >> $logfile

1878 1879
test -n "$cross_prefix" && enable cross_compile

1880 1881 1882 1883 1884 1885 1886
if enabled cross_compile; then
    test -n "$arch" && test -n "$target_os" ||
        die "Must specify target arch and OS when cross-compiling"
fi

set_default arch target_os

1887
ar_default="${cross_prefix}${ar_default}"
1888
cc_default="${cross_prefix}${cc_default}"
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1889
nm_default="${cross_prefix}${nm_default}"
1890
pkg_config_default="${cross_prefix}${pkg_config_default}"
1891 1892
ranlib="${cross_prefix}${ranlib}"

1893 1894
sysinclude_default="${sysroot}/usr/include"

1895
set_default cc nm pkg_config sysinclude
1896 1897
enabled cross_compile || host_cc_default=$cc
set_default host_cc
1898

1899 1900 1901 1902 1903
if ! $pkg_config --version >/dev/null 2>&1; then
    warn "$pkg_config not found, library detection may fail."
    pkg_config=false
fi

1904 1905
exesuf() {
    case $1 in
1906
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1907 1908 1909 1910 1911
    esac
}

EXESUF=$(exesuf $target_os)
HOSTEXESUF=$(exesuf $host_os)
1912

1913
# set temporary file name
1914
: ${TMPDIR:=$TEMPDIR}
1915
: ${TMPDIR:=$TMP}
1916
: ${TMPDIR:=/tmp}
1917

1918
if ! check_cmd mktemp -u XXXXXX; then
1919 1920 1921
    # simple replacement for missing mktemp
    # NOT SAFE FOR GENERAL USE
    mktemp(){
1922
        echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1923 1924 1925 1926 1927 1928
    }
fi

tmpfile(){
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
        (set -C; exec > $tmp) 2>/dev/null ||
1929
        die "Unable to create temporary file in $TMPDIR."
1930 1931 1932 1933 1934 1935
    append TMPFILES $tmp
    eval $1=$tmp
}

trap 'rm -f -- $TMPFILES' EXIT

1936
tmpfile TMPASM .asm
1937 1938 1939 1940 1941 1942 1943
tmpfile TMPC   .c
tmpfile TMPE   $EXESUF
tmpfile TMPH   .h
tmpfile TMPO   .o
tmpfile TMPS   .S
tmpfile TMPSH  .sh
tmpfile TMPV   .ver
1944 1945

unset -f mktemp
1946

1947 1948
chmod +x $TMPE

1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961
# make sure we can execute files in $TMPDIR
cat > $TMPSH 2>> $logfile <<EOF
#! /bin/sh
EOF
chmod +x $TMPSH >> $logfile 2>&1
if ! $TMPSH >> $logfile 2>&1; then
    cat <<EOF
Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
variable to another directory and make sure that it is not mounted noexec.
EOF
    die "Sanity test failed."
fi

1962
filter_asflags=echo
1963 1964 1965
filter_cflags=echo
filter_cppflags=echo

1966 1967 1968 1969 1970 1971 1972 1973 1974 1975
if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
    cc_type=llvm_gcc
    cc_version=__VERSION__
    gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
    cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
    speed_cflags='-O3'
    size_cflags='-Os'
elif $cc -v 2>&1 | grep -qi ^gcc; then
1976
    cc_type=gcc
1977
    cc_version=__VERSION__
1978 1979
    gcc_version=$($cc --version | head -n1)
    gcc_basever=$($cc -dumpversion)
1980
    gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1981 1982
    gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
    cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1983 1984 1985 1986
    if ! $cc -dumpversion | grep -q '^2\.'; then
        CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
        AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
    fi
1987 1988
    speed_cflags='-O3'
    size_cflags='-Os'
1989 1990
elif $cc --version 2>/dev/null | grep -q Intel; then
    cc_type=icc
1991
    cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1992
    cc_ident=$($cc --version | head -n1)
1993
    icc_version=$($cc -dumpversion)
1994 1995
    CC_DEPFLAGS='-MMD'
    AS_DEPFLAGS='-MMD'
1996 1997
    speed_cflags='-O3'
    size_cflags='-Os'
1998
    noopt_cflags='-O1'
1999 2000
elif $cc -v 2>&1 | grep -q xlc; then
    cc_type=xlc
2001
    cc_version="AV_STRINGIFY(__IBMC__)"
2002
    cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2003 2004
    speed_cflags='-O5'
    size_cflags='-O5 -qcompact'
2005 2006
elif $cc -V 2>/dev/null | grep -q Compaq; then
    cc_type=ccc
2007
    cc_version="AV_STRINGIFY(__DECC_VER)"
2008
    cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2009
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2010
    debuglevel=3
2011
    add_ldflags -Wl,-z,now # calls to libots crash without this
2012 2013
    speed_cflags='-fast'
    size_cflags='-O1'
2014
elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2015 2016
    test -d "$sysroot" || die "No valid sysroot specified."
    cc_type=armcc
2017
    cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2018
    cc_ident=$($cc --vsn | head -n1)
2019 2020 2021 2022 2023 2024
    armcc_conf="$PWD/armcc.conf"
    $cc --arm_linux_configure                 \
        --arm_linux_config_file="$armcc_conf" \
        --configure_sysroot="$sysroot"        \
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
        die "Error creating armcc configuration file."
2025
    $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2026
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2027
    as_default="${cross_prefix}gcc"
2028 2029
    CC_DEPFLAGS='-MMD'
    AS_DEPFLAGS='-MMD'
2030 2031
    speed_cflags='-O3'
    size_cflags='-Os'
2032
    filter_asflags="filter_out -W${armcc_opt}*"
2033 2034
elif $cc -version 2>/dev/null | grep -q TMS470; then
    cc_type=tms470
2035
    cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2036
    cc_ident=$($cc -version | head -n1 | tr -s ' ')
2037 2038 2039 2040 2041 2042 2043
    cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
    CC_O='-fr=$(@D)'
    as_default="${cross_prefix}gcc"
    ld_default="${cross_prefix}gcc"
    TMPO=$(basename $TMPC .c).o
    append TMPFILES $TMPO
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2044 2045
    CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
    AS_DEPFLAGS='-MMD'
2046 2047
    speed_cflags='-O3 -mf=5'
    size_cflags='-O3 -mf=2'
2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064
    filter_cflags=tms470_flags
    tms470_flags(){
        for flag; do
            case $flag in
                -march=*|-mcpu=*)
                    case "${flag#*=}" in
                        armv7-a|cortex-a*)      echo -mv=7a8 ;;
                        armv7-r|cortex-r*)      echo -mv=7r4 ;;
                        armv7-m|cortex-m*)      echo -mv=7m3 ;;
                        armv6*|arm11*)          echo -mv=6   ;;
                        armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
                                                echo -mv=5e  ;;
                        armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
                    esac
                    ;;
                -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
                -mfpu=vfp)      echo --float_support=vfpv2        ;;
2065
                -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2066
                -msoft-float)   echo --float_support=vfplib       ;;
2067
                -O[0-3]|-mf=*)  echo $flag                        ;;
2068
                -g)             echo -g -mn                       ;;
2069
                -pds=*)         echo $flag                        ;;
2070 2071 2072
            esac
        done
    }
2073 2074
elif $cc -v 2>&1 | grep -q clang; then
    cc_type=clang
2075 2076
    $cc -dM -E $TMPC | grep -q __clang_version__ &&
        cc_version=__clang_version__ || cc_version=__VERSION__
2077
    cc_ident=$($cc --version | head -n1)
2078 2079
    CC_DEPFLAGS='-MMD'
    AS_DEPFLAGS='-MMD'
2080 2081
    speed_cflags='-O3'
    size_cflags='-Os'
2082 2083 2084
elif $cc -V 2>&1 | grep -q Sun; then
    cc_type=suncc
    cc_version="AV_STRINGIFY(__SUNPRO_C)"
2085
    cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2086
    DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2087
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2088
    add_ldflags -xc99
2089 2090
    speed_cflags='-O5'
    size_cflags='-O5 -xspace'
2091 2092 2093 2094 2095 2096 2097
    filter_cflags=suncc_flags
    suncc_flags(){
        for flag; do
            case $flag in
                -march=*|-mcpu=*)
                    case "${flag#*=}" in
                        native)                   echo -xtarget=native       ;;
2098
                        v9|niagara)               echo -xarch=sparc          ;;
2099
                        ultrasparc)               echo -xarch=sparcvis       ;;
2100
                        ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124
                        i586|pentium)             echo -xchip=pentium        ;;
                        i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
                        pentium3*|c3-2)           echo -xtarget=pentium3     ;;
                        pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
                        pentium4*)          echo -xtarget=pentium4           ;;
                        prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
                        *-sse3)             echo -xarch=sse3                 ;;
                        core2)              echo -xarch=ssse3 -xchip=core2   ;;
                        amdfam10|barcelona)       echo -xarch=sse4_1         ;;
                        athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
                        k8|opteron|athlon64|athlon-fx)
                                                  echo -xarch=sse2a          ;;
                        athlon*)                  echo -xarch=pentium_proa   ;;
                    esac
                    ;;
                -std=c99)             echo -xc99              ;;
                -fomit-frame-pointer) echo -xregs=frameptr    ;;
                -fPIC)                echo -KPIC -xcode=pic32 ;;
                -W*,*)                echo $flag              ;;
                -f*-*|-W*)                                    ;;
                *)                    echo $flag              ;;
            esac
        done
    }
2125
elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2126 2127 2128 2129 2130 2131 2132
    cc_type=pathscale
    cc_version=__PATHSCALE__
    cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
    speed_cflags='-O2'
    size_cflags='-Os'
2133
    filter_cflags='filter_out -Wdisabled-optimization'
2134 2135 2136 2137 2138 2139 2140 2141
elif $cc -v 2>&1 | grep -q Open64; then
    cc_type=open64
    cc_version=__OPEN64__
    cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
    CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
    AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
    speed_cflags='-O2'
    size_cflags='-Os'
2142
    filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160
elif $cc -V 2>&1 | grep -q Portland; then
    cc_type=pgi
    cc_version='AV_STRINGIFY(__PGIC__.__PGIC_MINOR__.__PGIC_PATCHLEVEL__)'
    cc_ident="PGI $($cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
    opt_common='-alias=ansi -Mlre -Mpre'
    speed_cflags="-O3 -Mautoinline -Munroll=c:4 $opt_common"
    size_cflags="-O2 -Munroll=c:1 $opt_common"
    noopt_cflags="-O1"
    filter_cflags=pgi_flags
    pgi_flags(){
        for flag; do
            case $flag in
                -fomit-frame-pointer) echo -Mnoframe ;;
                -g)                   echo -gopt ;;
                *)                    echo $flag ;;
            esac
        done
    }
2161 2162
fi

2163 2164
test -n "$cc_type" && enable $cc_type ||
    warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2165

2166
: ${as_default:=$cc}
2167
: ${dep_cc_default:=$cc}
2168
: ${ld_default:=$cc}
2169
set_default ar as dep_cc ld
2170

2171 2172 2173
test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD

2174
add_cflags $extra_cflags
2175
add_asflags $extra_cflags
2176

2177 2178
if test -n "$sysroot"; then
    case "$cc_type" in
2179
        gcc|llvm_gcc|clang)
2180
            add_cppflags --sysroot="$sysroot"
2181 2182
            add_ldflags --sysroot="$sysroot"
        ;;
2183 2184 2185 2186
        tms470)
            add_cppflags -I"$sysinclude"
            add_ldflags  --sysroot="$sysroot"
        ;;
2187 2188 2189
    esac
fi

2190 2191 2192 2193
if test "$cpu" = host; then
    enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."

    case "$cc_type" in
2194
        gcc|llvm_gcc)
2195 2196
            check_native(){
                $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2197
                sed -n "/cc1.*$1=/{
2198 2199 2200 2201
                            s/.*$1=\\([^ ]*\\).*/\\1/
                            p
                            q
                        }" $TMPE
2202 2203 2204 2205 2206 2207 2208 2209
            }
            cpu=$(check_native -march || check_native -mcpu)
        ;;
    esac

    test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
fi

2210 2211 2212 2213 2214 2215 2216 2217
# Deal with common $arch aliases
case "$arch" in
    arm*)
        arch="arm"
    ;;
    mips|mipsel|IP*)
        arch="mips"
    ;;
2218
    mips64*)
2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231
        arch="mips"
        subarch="mips64"
    ;;
    parisc|hppa)
        arch="parisc"
    ;;
    parisc64|hppa64)
        arch="parisc"
        subarch="parisc64"
    ;;
    "Power Macintosh"|ppc|powerpc)
        arch="ppc"
    ;;
2232
    ppc64|powerpc64)
2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245
        arch="ppc"
        subarch="ppc64"
    ;;
    s390|s390x)
        arch="s390"
    ;;
    sh4|sh)
        arch="sh4"
    ;;
    sun4u|sparc64)
        arch="sparc"
        subarch="sparc64"
    ;;
2246
    i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2247 2248 2249 2250
        arch="x86"
    ;;
esac

2251
is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2252
enable $arch
2253

2254
# Add processor-specific flags
2255 2256 2257
if test "$cpu" = generic; then
    : do nothing
elif enabled ppc; then
2258

2259 2260
    case $(tolower $cpu) in
        601|ppc601|powerpc601)
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2261
            cpuflags="-mcpu=601"
2262
            disable altivec
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        ;;
2264
        603*|ppc603*|powerpc603*)
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            cpuflags="-mcpu=603"
2266
            disable altivec
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        ;;
2268
        604*|ppc604*|powerpc604*)
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            cpuflags="-mcpu=604"
2270
            disable altivec
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        ;;
2272
        g3|75*|ppc75*|powerpc75*)
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            cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2274
            disable altivec
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        ;;
2276
        g4|745*|ppc745*|powerpc745*)
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            cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
        ;;
2279
        74*|ppc74*|powerpc74*)
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            cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
        ;;
2282
        g5|970|ppc970|powerpc970|power4*)
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            cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
        ;;
2285
        cell)
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2286 2287 2288
            cpuflags="-mcpu=cell"
            enable ldbrx
        ;;
2289 2290 2291 2292 2293 2294 2295 2296
        e500v2)
            cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
            disable altivec
        ;;
        e500)
            cpuflags="-mcpu=8540 -mhard-float"
            disable altivec
        ;;
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2297
    esac
2298 2299 2300

elif enabled x86; then

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    case $cpu in
        i[345]86|pentium)
            cpuflags="-march=$cpu"
            disable mmx
        ;;
        # targets that do NOT support conditional mov (cmov)
        pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
            cpuflags="-march=$cpu"
            disable cmov
        ;;
        # targets that do support conditional mov (cmov)
2312
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
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            cpuflags="-march=$cpu"
            enable cmov
            enable fast_cmov
        ;;
        # targets that do support conditional mov but on which it's slow
        pentium4|pentium4m|prescott|nocona)
            cpuflags="-march=$cpu"
            enable cmov
            disable fast_cmov
        ;;
    esac
2324 2325 2326

elif enabled sparc; then

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    case $cpu in
2328 2329 2330 2331
        niagara)
            cpuflags="-mcpu=$cpu"
            disable vis
        ;;
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        sparc64)
            cpuflags="-mcpu=v9"
        ;;
    esac
2336 2337 2338

elif enabled arm; then

2339 2340 2341
    case $cpu in
        armv*)
            cpuflags="-march=$cpu"
2342
            subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2343 2344 2345
        ;;
        *)
            cpuflags="-mcpu=$cpu"
2346 2347 2348
            case $cpu in
                cortex-a*)                               subarch=armv7a  ;;
                cortex-r*)                               subarch=armv7r  ;;
2349
                cortex-m*)                 enable thumb; subarch=armv7m  ;;
2350 2351 2352 2353
                arm11*)                                  subarch=armv6   ;;
                arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
                armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
            esac
2354 2355
        ;;
    esac
2356 2357 2358

elif enabled alpha; then

2359
    enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2360 2361 2362

elif enabled bfin; then

2363
    cpuflags="-mcpu=$cpu"
2364 2365 2366

elif enabled mips; then

2367
    cpuflags="-march=$cpu"
2368 2369 2370

elif enabled avr32; then

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    case $cpu in
        ap7[02]0[0-2])
            subarch="avr32_ap"
            cpuflags="-mpart=$cpu"
        ;;
        ap)
            subarch="avr32_ap"
            cpuflags="-march=$cpu"
        ;;
        uc3[ab]*)
            subarch="avr32_uc"
            cpuflags="-mcpu=$cpu"
        ;;
        uc)
            subarch="avr32_uc"
            cpuflags="-march=$cpu"
        ;;
    esac
2389

2390 2391
fi

2392 2393 2394
add_cflags $cpuflags
add_asflags $cpuflags

2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 2405 2406 2407
# compiler sanity check
check_exec <<EOF
int main(void){ return 0; }
EOF
if test "$?" != 0; then
    echo "$cc is unable to create an executable file."
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
        echo "Only do this if you know what cross compiling means."
    fi
    die "C compiler test failed."
fi

2408
add_cppflags -D_ISOC99_SOURCE
2409
check_cflags -std=c99
2410
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2411 2412
#include <stdlib.h>
EOF
2413
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2414 2415
#include <stdlib.h>
EOF
2416

2417
check_host_cflags -std=c99
2418
check_host_cflags -Wall
2419

2420
case "$arch" in
2421
    alpha|ia64|mips|parisc|sparc)
2422
        spic=$shared
2423
    ;;
2424
    x86)
2425
        subarch="x86_32"
2426
        check_cc <<EOF && subarch="x86_64"
2427
        int test[(int)sizeof(char*) - 7];
2428
EOF
2429
        if test "$subarch" = "x86_64"; then
2430
            spic=$shared
2431
        fi
2432 2433 2434
    ;;
esac

2435
enable $subarch
2436
enabled spic && enable pic
2437

2438
# OS specific
2439
case $target_os in
2440
    haiku)
2441
        prefix_default="/boot/common"
2442
        network_extralibs="-lnetwork"
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François Revol committed
2443
        host_libs=
2444
        ;;
2445
    sunos)
2446
        AVSERVERLDFLAGS=""
2447
        SHFLAGS='-shared -Wl,-h,$$(@F)'
2448
        enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2449
        network_extralibs="-lsocket -lnsl"
2450
        add_cppflags -D__EXTENSIONS__
2451 2452 2453 2454 2455 2456
        # When using suncc to build, the Solaris linker will mark
        # an executable with each instruction set encountered by
        # the Solaris assembler.  As our libraries contain their own
        # guards for processor-specific code, instead suppress
        # generation of the HWCAPS ELF section on Solaris x86 only.
        enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2457
        nm_opts='-P -g'
2458 2459
        ;;
    netbsd)
2460
        disable symver
2461 2462
        oss_indev_extralibs="-lossaudio"
        oss_outdev_extralibs="-lossaudio"
2463 2464
        ;;
    openbsd)
2465
        enable malloc_aligned
2466
        # On OpenBSD 4.5. the compiler does not use PIC unless
2467
        # explicitly using -fPIC. Libav builds fine without PIC,
2468 2469
        # however the generated executable will not do anything
        # (simply quits with exit-code 1, no crash, no output).
2470
        # Thus explicitly enable PIC here.
2471
        enable pic
2472
        disable symver
2473
        SHFLAGS='-shared'
2474 2475
        oss_indev_extralibs="-lossaudio"
        oss_outdev_extralibs="-lossaudio"
2476
        ;;
2477 2478 2479 2480 2481
    dragonfly)
        enable malloc_aligned
        disable symver
        ;;
    freebsd)
2482
        enable malloc_aligned
2483 2484
        ;;
    bsd/os)
2485
        add_extralibs -lpoll -lgnugetopt
2486 2487
        ;;
    darwin)
2488
        enable malloc_aligned
2489
        gas="gas-preprocessor.pl $cc"
2490
        enabled ppc && add_asflags -force_cpusubtype_ALL
2491
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2492
        enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2493
        add_ldflags -Wl,-dynamic,-search_paths_first
2494 2495 2496
        SLIBSUF=".dylib"
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2497
        AVSERVERLDFLAGS=-Wl,-bind_at_load
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2498
        objformat="macho"
2499
        enabled x86_64 && objformat="macho64"
2500
        enabled_any pic shared ||
2501
            { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2502 2503
        ;;
    mingw32*)
2504
        if test $target_os = "mingw32ce"; then
2505 2506 2507 2508
            disable network
        else
            target_os=mingw32
        fi
2509
        LIBTARGET=i386
2510
        if enabled x86_64; then
2511
            enable malloc_aligned
2512
            LIBTARGET="i386:x86-64"
2513
        elif enabled arm; then
2514
            LIBTARGET=arm-wince
2515
        fi
2516
        shlibdir_default="$bindir_default"
2517 2518 2519 2520
        SLIBPREF=""
        SLIBSUF=".dll"
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2521 2522 2523 2524 2525
        SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
        SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
        SLIB_INSTALL_LINKS=
        SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
        SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2526
        SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
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2527
        objformat="win32"
2528
        dlltool="${cross_prefix}dlltool"
2529
        enable dos_paths
2530
        check_cflags -fno-common
2531 2532
        check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
                                      || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
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Ramiro Polla committed
2533
                die "ERROR: MinGW runtime version must be >= 3.15."
2534
        add_cppflags -U__STRICT_ANSI__
2535 2536
        ;;
    cygwin*)
2537
        target_os=cygwin
2538
        shlibdir_default="$bindir_default"
2539 2540 2541 2542 2543
        SLIBPREF="cyg"
        SLIBSUF=".dll"
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
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Loren Merritt committed
2544
        objformat="win32"
2545
        enable dos_paths
2546
        check_cflags -fno-common
2547
        add_cppflags -U__STRICT_ANSI__
2548
        ;;
2549 2550
    *-dos|freedos|opendos)
        network_extralibs="-lsocket"
2551
        objformat="coff"
2552
        enable dos_paths
2553
        add_cppflags -U__STRICT_ANSI__
2554
        ;;
2555
    linux)
2556
        add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2557 2558 2559
        enable dv1394
        ;;
    irix*)
2560
        target_os=irix
2561 2562
        ranlib="echo ignoring ranlib"
        ;;
2563 2564
    os/2*)
        ln_s="cp -f"
2565
        objformat="aout"
2566
        add_cppflags -D_GNU_SOURCE
2567
        add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2568
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2569
        AVSERVERLDFLAGS=""
2570
        LIBSUF="_s.a"
2571 2572 2573 2574
        SLIBPREF=""
        SLIBSUF=".dll"
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2575 2576 2577 2578 2579 2580 2581 2582
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2583
        SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2584
        enable dos_paths
2585
        ;;
2586
    gnu/kfreebsd)
2587
        add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2588
        ;;
2589
    gnu)
2590
        add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2591
        ;;
2592 2593 2594 2595
    qnx)
        add_cppflags -D_QNX_SOURCE
        network_extralibs="-lsocket"
        ;;
2596 2597 2598
    symbian)
        SLIBSUF=".dll"
        enable dos_paths
2599 2600 2601 2602 2603 2604 2605 2606
        add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
        add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
        add_ldflags -Wl,--target1-abs,--no-undefined \
                    -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
                    -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
        add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
                      -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
                      -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2607
        ;;
2608 2609
    none)
        ;;
2610
    *)
2611
        die "Unknown OS '$target_os'."
2612 2613 2614
        ;;
esac

2615 2616 2617 2618 2619
esc(){
    echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
}

echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
2620

2621 2622
check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic

2623 2624
set_default $PATHS_LIST

2625
# we need to build at least one lib type
2626
if ! enabled_any static shared; then
2627 2628 2629 2630 2631 2632 2633 2634 2635
    cat <<EOF
At least one library type must be built.
Specify --enable-static to build the static libraries or --enable-shared to
build the shared libraries as well. To only build the shared libraries specify
--disable-static in addition to --enable-shared.
EOF
    exit 1;
fi

2636
die_license_disabled() {
2637
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2638 2639
}

2640
die_license_disabled gpl libcdio
2641
die_license_disabled gpl libx264
2642
die_license_disabled gpl libxavs
2643 2644 2645
die_license_disabled gpl libxvid
die_license_disabled gpl x11grab

2646
die_license_disabled nonfree libfaac
2647
die_license_disabled nonfree openssl
2648

2649 2650
die_license_disabled version3 libopencore_amrnb
die_license_disabled version3 libopencore_amrwb
2651
die_license_disabled version3 libvo_aacenc
2652
die_license_disabled version3 libvo_amrwbenc
2653

2654
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2655

2656
disabled optimizations || check_cflags -fomit-frame-pointer
2657

2658 2659
enable_pic() {
    enable pic
2660 2661 2662
    add_cppflags -DPIC
    add_cflags   -fPIC
    add_asflags  -fPIC
2663 2664 2665
}

enabled pic && enable_pic
2666

2667 2668 2669
check_cc <<EOF || die "Symbol mangling check failed."
int ff_extern;
EOF
2670
sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2671 2672
extern_prefix=${sym%%ff_extern*}

2673 2674 2675
check_cc <<EOF && enable inline_asm
void foo(void) { __asm__ volatile ("" ::); }
EOF
2676

2677 2678 2679 2680 2681 2682 2683 2684 2685 2686 2687
_restrict=
for restrict_keyword in restrict __restrict__ __restrict; do
    check_cc <<EOF && _restrict=$restrict_keyword && break
void foo(char * $restrict_keyword p);
EOF
done

check_cc <<EOF && enable attribute_packed
struct { int x; } __attribute__((packed)) x;
EOF

2688 2689 2690 2691
check_cc <<EOF && enable attribute_may_alias
union { int x; } __attribute__((may_alias)) x;
EOF

2692 2693 2694
check_cc <<EOF || die "endian test failed"
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
EOF
2695
od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2696

2697 2698 2699 2700 2701
if enabled alpha; then

    check_cflags -mieee

elif enabled arm; then
2702

2703
    enabled thumb && check_cflags -mthumb || check_cflags -marm
2704
    nogas=die
2705

2706 2707 2708 2709 2710 2711
    if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
        enable vfp_args
    elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
        case "${cross_prefix:-$cc}" in
            *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
            *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2712 2713 2714
__asm__ (".eabi_attribute 28, 1");
int main(void) { return 0; }
EOF
2715 2716 2717
        esac
        warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
    fi
2718 2719 2720 2721 2722 2723

    enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
    enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
    enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
    enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
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Mans Rullgard committed
2724
    enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2725

2726 2727
    check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'

2728 2729
    enabled_all armv6t2 shared !pic && enable_pic

2730
elif enabled mips; then
2731

2732 2733
    check_asm loongson '"dmult.g $1, $2, $3"'
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2734

2735
elif enabled ppc; then
2736

2737 2738
    enable local_aligned_8 local_aligned_16

2739
    check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2740
    check_asm ibm_asm   '"add 0, 0, 0"'
2741
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2742
    check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2743 2744 2745

    # AltiVec flags: The FSF version of GCC differs from the Apple version
    if enabled altivec; then
2746
        nogas=warn
2747 2748 2749 2750 2751 2752 2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763 2764 2765 2766
        check_cflags -maltivec -mabi=altivec &&
        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
        check_cflags -faltivec

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

        # check if our compiler supports braces for vector declarations
        check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
$inc_altivec_h
int main (void) { (vector int) {1}; return 0; }
EOF
    fi
2767

2768
elif enabled sparc; then
2769

2770 2771
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2772

2773
elif enabled x86; then
2774

2775 2776
    enable local_aligned_8 local_aligned_16

2777 2778 2779 2780
    # check whether EBP is available on x86
    # As 'i' is stored on the stack, this program will crash
    # if the base pointer is used to access it because the
    # base pointer is cleared in the inline assembly code.
2781
    check_exec_crash <<EOF && enable ebp_available
2782
    volatile int i=0;
2783
    __asm__ volatile (
2784 2785 2786 2787 2788
        "xorl %%ebp, %%ebp"
    ::: "%ebp");
    return i;
EOF

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Reimar Döffinger committed
2789
    # check whether EBX is available on x86
2790 2791
    check_asm ebx_available '""::"b"(0)' &&
        check_asm ebx_available '"":::"%ebx"'
2792

2793 2794 2795
    # check whether xmm clobbers are supported
    check_asm xmm_clobbers '"":::"%xmm0"'

2796
    # check whether binutils is new enough to compile SSSE3/MMX2
2797
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2798
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2799

2800
    if ! disabled_any asm mmx yasm; then
2801 2802 2803 2804 2805 2806 2807 2808 2809 2810 2811 2812 2813 2814 2815 2816
        if check_cmd $yasmexe --version; then
            enabled x86_64 && yasm_extra="-m amd64"
            yasm_debug="-g dwarf2"
        elif check_cmd nasm -v; then
            yasmexe=nasm
            yasm_debug="-g -F dwarf"
            enabled x86_64 && test "$objformat" = elf && objformat=elf64
        fi

        YASMFLAGS="-f $objformat $yasm_extra"
        enabled pic               && append YASMFLAGS "-DPIC"
        test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
        case "$objformat" in
            elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
        esac

2817
        check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2818
            die "yasm not found, use --disable-yasm for a crippled build"
2819
        check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2820
    fi
2821

2822 2823 2824 2825 2826 2827
    case "$cpu" in
        athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
            disable fast_clz
        ;;
    esac

2828 2829
fi

2830 2831 2832 2833 2834 2835
if enabled asm; then
    as=${gas:=$as}
    check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
        $nogas "GNU assembler not found, install gas-preprocessor"
fi

2836 2837
check_ldflags -Wl,--as-needed

2838 2839 2840 2841
if check_func dlopen; then
    ldl=
elif check_func dlopen -ldl; then
    ldl=-ldl
2842 2843
fi

2844 2845 2846 2847 2848 2849 2850 2851 2852 2853 2854 2855 2856 2857 2858 2859 2860 2861 2862 2863 2864 2865 2866 2867 2868 2869
if enabled network; then
    check_type "sys/types.h sys/socket.h" socklen_t
    check_type netdb.h "struct addrinfo"
    check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
    check_type netinet/in.h "struct sockaddr_in6"
    check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
    check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
    # Prefer arpa/inet.h over winsock2
    if check_header arpa/inet.h ; then
        check_func closesocket
    elif check_header winsock2.h ; then
        check_func_headers winsock2.h closesocket -lws2 && \
            network_extralibs="-lws2" || \
        { check_func_headers winsock2.h closesocket -lws2_32 && \
            network_extralibs="-lws2_32"; }
        check_type ws2tcpip.h socklen_t
        check_type ws2tcpip.h "struct addrinfo"
        check_type ws2tcpip.h "struct ipv6_mreq"
        check_type ws2tcpip.h "struct sockaddr_in6"
        check_type ws2tcpip.h "struct sockaddr_storage"
        check_struct winsock2.h "struct sockaddr" sa_len
    else
        disable network
    fi
fi

2870 2871 2872
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }

Måns Rullgård's avatar
Måns Rullgård committed
2873
check_func  fcntl
2874
check_func  fork
2875
check_func  getaddrinfo $network_extralibs
2876 2877
check_func  gethrtime
check_func  getrusage
2878
check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2879
check_func  inet_aton $network_extralibs
2880
check_func  isatty
2881
check_func  localtime_r
2882
check_func  ${malloc_prefix}memalign            && enable memalign
2883
check_func  mkstemp
2884
check_func  mmap
2885
check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
Måns Rullgård's avatar
Måns Rullgård committed
2886
check_func  setrlimit
2887
check_func  strerror_r
2888
check_func  strptime
Stefano Sabatini's avatar
Stefano Sabatini committed
2889
check_func  strtok_r
2890
check_func  sched_getaffinity
2891
check_func  sysconf
2892
check_func  sysctl
2893
check_func_headers io.h setmode
2894
check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2895
check_func_headers windows.h GetProcessAffinityMask
2896
check_func_headers windows.h GetProcessTimes
2897
check_func_headers windows.h MapViewOfFile
2898
check_func_headers windows.h VirtualAlloc
2899

2900
check_header dlfcn.h
2901
check_header dxva2api.h
2902
check_header malloc.h
2903
check_header poll.h
2904
check_header sys/mman.h
2905
check_header sys/param.h
2906
check_header sys/resource.h
2907
check_header sys/select.h
2908 2909
check_header vdpau/vdpau.h
check_header vdpau/vdpau_x11.h
2910
check_header X11/extensions/XvMClib.h
2911

2912
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2913
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2914

2915 2916 2917 2918
if ! disabled w32threads && ! enabled pthreads; then
    check_func _beginthreadex && enable w32threads
fi

2919 2920
# check for some common methods of building with pthread support
# do this before the optional library checks as some of them require pthreads
2921 2922
if ! disabled pthreads && ! enabled w32threads; then
    enable pthreads
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2923 2924 2925 2926
    if check_func pthread_create; then
        :
    elif check_func pthread_create -pthread; then
        add_cflags -pthread
2927
        add_extralibs -pthread
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Måns Rullgård committed
2928 2929
    elif check_func pthread_create -pthreads; then
        add_cflags -pthreads
2930
        add_extralibs -pthreads
2931 2932
    elif check_func pthread_create -lpthreadGC2; then
        add_extralibs -lpthreadGC2
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2933
    elif ! check_lib pthread.h pthread_create -lpthread; then
2934
        disable pthreads
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2935
    fi
2936 2937
fi

2938
for thread in $THREADS_LIST; do
2939
    if enabled $thread; then
2940 2941
        test -n "$thread_type" &&
            die "ERROR: Only one thread type must be selected." ||
2942 2943 2944 2945
            thread_type="$thread"
    fi
done

2946
check_lib math.h sin -lm && LIBM="-lm"
2947
enabled vaapi && require vaapi va/va.h vaInitialize -lva
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2948

2949 2950 2951
check_mathfunc exp2
check_mathfunc exp2f
check_mathfunc llrint
2952
check_mathfunc llrintf
2953 2954 2955 2956 2957 2958
check_mathfunc log2
check_mathfunc log2f
check_mathfunc lrint
check_mathfunc lrintf
check_mathfunc round
check_mathfunc roundf
2959
check_mathfunc trunc
2960
check_mathfunc truncf
2961

2962
# these are off by default, so fail if requested and not available
2963
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
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Stefano Sabatini committed
2964
enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2965
enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
2966
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2967
enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
2968
enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
2969
enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2970
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2971 2972
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2973
enabled libopencv  && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2974
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2975
enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
2976 2977
enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2978
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2979
enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2980
enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2981
enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2982
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2983 2984 2985 2986 2987
enabled libvpx     && {
    enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
                                die "ERROR: libvpx decoder version must be >=0.9.1"; }
    enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
                                die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2988
enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
2989 2990
                      { check_cpp_condition x264.h "X264_BUILD >= 118" ||
                        die "ERROR: libx264 version must be >= 0.118."; }
2991
enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
2992
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2993 2994 2995 2996
enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
                        check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
                        check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
                        die "ERROR: openssl not found"; }
2997

2998 2999 3000 3001 3002 3003 3004 3005 3006
# libdc1394 check
if enabled libdc1394; then
    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
        enable libdc1394_2; } ||
    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
        enable libdc1394_1; } ||
    die "ERROR: No version of libdc1394 found "
fi

3007
if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3008 3009 3010
    check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
    enable sdl &&
    check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3011
fi
3012

3013
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3014

3015
check_header linux/fb.h
3016
check_header linux/videodev2.h
3017 3018
check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete

3019
check_header sys/videoio.h
3020

3021
check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3022 3023 3024
# check that WM_CAP_DRIVER_CONNECT is defined to the proper value
# w32api 3.12 had it defined wrong
check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
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Ramiro Polla committed
3025

3026
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
Ramiro Polla's avatar
Ramiro Polla committed
3027 3028 3029 3030 3031 3032 3033
{ check_header dev/bktr/ioctl_meteor.h &&
  check_header dev/bktr/ioctl_bt848.h; } ||
{ check_header machine/ioctl_meteor.h &&
  check_header machine/ioctl_bt848.h; } ||
{ check_header dev/video/meteor/ioctl_meteor.h &&
  check_header dev/video/bktr/ioctl_bt848.h; } ||
check_header dev/ic/bt8xx.h
3034

3035
check_header sndio.h
3036 3037
check_header sys/soundcard.h
check_header soundcard.h
Måns Rullgård's avatar
Måns Rullgård committed
3038

3039
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3040

3041
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
3042

3043 3044
enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio

3045 3046 3047
enabled libcdio &&
    check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"

3048 3049 3050 3051
enabled x11grab                                           &&
require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3052

3053 3054
# check for VDA header
if ! disabled vda && check_header VideoDecodeAcceleration/VDADecoder.h; then
3055
    enable vda && add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3056 3057
fi

3058
if ! disabled vdpau && enabled vdpau_vdpau_h; then
3059 3060
check_cpp_condition \
    vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3061 3062
    { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
      disable vdpau; }
3063
fi
3064

3065
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3066 3067 3068

# add some useful compiler flags if supported
check_cflags -Wdeclaration-after-statement
3069
check_cflags -Wall
3070
check_cflags -Wno-parentheses
3071
check_cflags -Wno-switch
3072
check_cflags -Wno-format-zero-length
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Michael Niedermayer committed
3073 3074 3075
check_cflags -Wdisabled-optimization
check_cflags -Wpointer-arith
check_cflags -Wredundant-decls
3076
check_cflags -Wno-pointer-sign
3077
check_cflags -Wcast-qual
3078
check_cflags -Wwrite-strings
3079
check_cflags -Wtype-limits
3080
check_cflags -Wundef
3081
check_cflags -Wmissing-prototypes
3082
check_cflags -Wstrict-prototypes
3083
enabled extra_warnings && check_cflags -Winline
3084

3085
# add some linker flags
3086
check_ldflags -Wl,--warn-common
3087
check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3088
test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3089

3090 3091 3092 3093 3094 3095 3096 3097 3098 3099 3100
enabled xmm_clobber_test &&                             \
    check_ldflags -Wl,--wrap,avcodec_open2              \
                  -Wl,--wrap,avcodec_decode_audio4      \
                  -Wl,--wrap,avcodec_decode_video2      \
                  -Wl,--wrap,avcodec_decode_subtitle2   \
                  -Wl,--wrap,avcodec_encode_audio2      \
                  -Wl,--wrap,avcodec_encode_video       \
                  -Wl,--wrap,avcodec_encode_subtitle    \
                  -Wl,--wrap,sws_scale ||               \
    disable xmm_clobber_test

3101
echo "X{};" > $TMPV
3102
if test_ldflags -Wl,--version-script,$TMPV; then
3103
    append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3104 3105
    check_cc <<EOF && enable symver_asm_label
void ff_foo(void) __asm__ ("av_foo@VERSION");
3106
void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3107 3108 3109 3110 3111 3112
EOF
    check_cc <<EOF && enable symver_gnu_asm
__asm__(".symver ff_foo,av_foo@VERSION");
void ff_foo(void) {}
EOF
fi
3113

3114 3115 3116
if [ -n "$optflags" ]; then
    add_cflags $optflags
elif enabled small; then
3117
    add_cflags $size_cflags
3118
elif enabled optimizations; then
3119
    add_cflags $speed_cflags
3120 3121
else
    add_cflags $noopt_cflags
3122
fi
3123
check_cflags -fno-math-errno
3124
check_cflags -fno-signed-zeros
3125

3126
if enabled icc; then
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3127 3128 3129 3130
    # Just warnings, no remarks
    check_cflags -w1
    # -wd: Disable following warnings
    # 144, 167, 556: -Wno-pointer-sign
3131
    # 1292: attribute "foo" ignored
3132
    # 1419: external declaration in primary source file
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3133
    # 10006: ignoring unknown option -fno-signed-zeros
3134
    # 10148: ignoring unknown option -Wno-parentheses
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Måns Rullgård committed
3135
    # 10156: ignoring option '-W'; no argument required
3136
    check_cflags -wd144,167,556,1292,1419,10006,10148,10156
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3137 3138 3139 3140 3141
    # 11030: Warning unknown option --as-needed
    # 10156: ignoring option '-export'; no argument required
    check_ldflags -wd10156,11030
    # Allow to compile with optimizations
    check_ldflags -march=$cpu
3142 3143
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
    enable ebp_available
3144 3145 3146 3147 3148
    if enabled x86_32; then
        test ${icc_version%%.*} -ge 11 && \
            check_cflags -falign-stack=maintain-16-byte || \
            disable aligned_stack
    fi
3149 3150 3151 3152 3153 3154 3155 3156
elif enabled ccc; then
    # disable some annoying warnings
    add_cflags -msg_disable cvtu32to64
    add_cflags -msg_disable embedcomment
    add_cflags -msg_disable needconstext
    add_cflags -msg_disable nomainieee
    add_cflags -msg_disable ptrmismatch1
    add_cflags -msg_disable unreachcode
3157 3158
elif enabled gcc; then
    check_cflags -fno-tree-vectorize
3159
    check_cflags -Werror=implicit-function-declaration
3160
    check_cflags -Werror=missing-prototypes
3161
    check_cflags -Werror=declaration-after-statement
3162 3163
elif enabled llvm_gcc; then
    check_cflags -mllvm -stack-alignment=16
3164
elif enabled clang; then
3165
    check_cflags -mllvm -stack-alignment=16
3166
    check_cflags -Qunused-arguments
3167 3168
elif enabled armcc; then
    # 2523: use of inline assembler is deprecated
3169 3170
    add_cflags -W${armcc_opt},--diag_suppress=2523
    add_cflags -W${armcc_opt},--diag_suppress=1207
3171
    add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3172
    add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3173 3174
    add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
    add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3175 3176
elif enabled tms470; then
    add_cflags -pds=824 -pds=837
3177 3178
elif enabled pathscale; then
    add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3179 3180
fi

3181 3182 3183
enabled_any $THREADS_LIST      && enable threads

check_deps $CONFIG_LIST       \
3184
           $CONFIG_EXTRA      \
3185
           $HAVE_LIST         \
3186 3187
           $ALL_COMPONENTS    \
           $ALL_TESTS         \
3188

3189
enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3190

3191 3192 3193
! enabled_any memalign posix_memalign malloc_aligned &&
    enabled_any $need_memalign && enable memalign_hack

3194
echo "install prefix            $prefix"
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Diego Biurrun committed
3195 3196 3197
echo "source path               $source_path"
echo "C compiler                $cc"
echo "ARCH                      $arch ($cpu)"
3198 3199
if test "$build_suffix" != ""; then
    echo "build suffix              $build_suffix"
3200
fi
3201 3202 3203
if test "$extra_version" != ""; then
    echo "version string suffix     $extra_version"
fi
3204
echo "big-endian                ${bigendian-no}"
3205
echo "runtime cpu detection     ${runtime_cpudetect-no}"
3206
if enabled x86; then
3207
    echo "${yasmexe}                      ${yasm-no}"
3208
    echo "MMX enabled               ${mmx-no}"
3209
    echo "MMX2 enabled              ${mmx2-no}"
3210
    echo "3DNow! enabled            ${amd3dnow-no}"
3211
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
3212
    echo "SSE enabled               ${sse-no}"
3213
    echo "SSSE3 enabled             ${ssse3-no}"
3214
    echo "AVX enabled               ${avx-no}"
3215 3216
    echo "CMOV enabled              ${cmov-no}"
    echo "CMOV is fast              ${fast_cmov-no}"
3217 3218
    echo "EBX available             ${ebx_available-no}"
    echo "EBP available             ${ebp_available-no}"
3219
fi
3220
if enabled arm; then
3221 3222
    echo "ARMv5TE enabled           ${armv5te-no}"
    echo "ARMv6 enabled             ${armv6-no}"
3223
    echo "ARMv6T2 enabled           ${armv6t2-no}"
3224
    echo "ARM VFP enabled           ${armvfp-no}"
3225
    echo "NEON enabled              ${neon-no}"
3226
fi
3227
if enabled mips; then
3228
    echo "MMI enabled               ${mmi-no}"
3229
fi
3230
if enabled ppc; then
3231
    echo "AltiVec enabled           ${altivec-no}"
3232
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
3233
    echo "dcbzl available           ${dcbzl-no}"
3234 3235 3236
fi
if enabled sparc; then
    echo "VIS enabled               ${vis-no}"
3237
fi
3238
echo "debug symbols             ${debug-no}"
3239
echo "optimize for size         ${small-no}"
3240
echo "optimizations             ${optimizations-no}"
3241 3242
echo "static                    ${static-no}"
echo "shared                    ${shared-no}"
3243
echo "new filter support        ${avfilter-no}"
3244 3245
echo "network support           ${network-no}"
echo "threading support         ${thread_type-no}"
3246
echo "safe bitstream reader     ${safe_bitstream_reader-no}"
3247
echo "SDL support               ${sdl-no}"
3248 3249 3250
echo "libdxva2 enabled          ${dxva2-no}"
echo "libva enabled             ${vaapi-no}"
echo "libvdpau enabled          ${vdpau-no}"
3251
echo "AVISynth enabled          ${avisynth-no}"
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Stefano Sabatini committed
3252
echo "frei0r enabled            ${frei0r-no}"
3253
echo "gnutls enabled            ${gnutls-no}"
3254
echo "libcdio support           ${libcdio-no}"
Ramiro Polla's avatar
Ramiro Polla committed
3255
echo "libdc1394 support         ${libdc1394-no}"
3256 3257 3258 3259
echo "libfaac enabled           ${libfaac-no}"
echo "libgsm enabled            ${libgsm-no}"
echo "libmp3lame enabled        ${libmp3lame-no}"
echo "libnut enabled            ${libnut-no}"
3260 3261
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3262
echo "libopencv support         ${libopencv-no}"
3263
echo "libopenjpeg enabled       ${libopenjpeg-no}"
3264
echo "libpulse enabled          ${libpulse-no}"
3265
echo "librtmp enabled           ${librtmp-no}"
3266
echo "libschroedinger enabled   ${libschroedinger-no}"
3267
echo "libspeex enabled          ${libspeex-no}"
3268
echo "libtheora enabled         ${libtheora-no}"
3269
echo "libvo-aacenc support      ${libvo_aacenc-no}"
3270
echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3271
echo "libvorbis enabled         ${libvorbis-no}"
James Zern's avatar
James Zern committed
3272
echo "libvpx enabled            ${libvpx-no}"
3273
echo "libx264 enabled           ${libx264-no}"
3274
echo "libxavs enabled           ${libxavs-no}"
3275
echo "libxvid enabled           ${libxvid-no}"
3276
echo "openssl enabled           ${openssl-no}"
3277
echo "zlib enabled              ${zlib-no}"
3278
echo "bzlib enabled             ${bzlib-no}"
3279
echo
Fabrice Bellard's avatar
Fabrice Bellard committed
3280

3281
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3282
    echo "Enabled ${type}s:"
3283
    eval list=\$$(toupper $type)_LIST
3284
    print_enabled '_*' $list | sort | pr -r -3 -t
3285
    echo
3286 3287
done

3288
license="LGPL version 2.1 or later"
3289
if enabled nonfree; then
3290
    license="nonfree and unredistributable"
3291 3292 3293 3294
elif enabled gplv3; then
    license="GPL version 3 or later"
elif enabled lgplv3; then
    license="LGPL version 3 or later"
3295
elif enabled gpl; then
3296
    license="GPL version 2 or later"
3297 3298 3299
fi

echo "License: $license"
3300

3301 3302
echo "Creating config.mak and config.h..."

3303
test -e Makefile || $ln_s "$source_path/Makefile" .
3304

3305 3306
config_files="$TMPH config.mak"

3307 3308
cat > config.mak <<EOF
# Automatically generated by configure - do not modify!
3309
LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3310 3311 3312 3313 3314 3315 3316
prefix=$prefix
LIBDIR=\$(DESTDIR)$libdir
SHLIBDIR=\$(DESTDIR)$shlibdir
INCDIR=\$(DESTDIR)$incdir
BINDIR=\$(DESTDIR)$bindir
DATADIR=\$(DESTDIR)$datadir
MANDIR=\$(DESTDIR)$mandir
3317
SRC_PATH=$source_path
3318
CC_IDENT=$cc_ident
3319 3320 3321 3322 3323 3324
ARCH=$arch
CC=$cc
AS=$as
LD=$ld
DEPCC=$dep_cc
YASM=$yasmexe
3325
YASMDEP=$yasmexe
3326 3327 3328 3329 3330 3331
AR=$ar
RANLIB=$ranlib
LN_S=$ln_s
CPPFLAGS=$CPPFLAGS
CFLAGS=$CFLAGS
ASFLAGS=$ASFLAGS
3332
AS_O=$CC_O
3333
CC_O=$CC_O
3334
DLLTOOL=$dlltool
3335
LDFLAGS=$LDFLAGS
3336
AVSERVERLDFLAGS=$AVSERVERLDFLAGS
3337 3338 3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351 3352 3353 3354 3355 3356 3357 3358 3359 3360 3361 3362 3363
SHFLAGS=$SHFLAGS
YASMFLAGS=$YASMFLAGS
BUILDSUF=$build_suffix
FULLNAME=$FULLNAME
LIBPREF=$LIBPREF
LIBSUF=$LIBSUF
LIBNAME=$LIBNAME
SLIBPREF=$SLIBPREF
SLIBSUF=$SLIBSUF
EXESUF=$EXESUF
EXTRA_VERSION=$extra_version
DEPFLAGS=$DEPFLAGS
CCDEP=$CCDEP
ASDEP=$ASDEP
CC_DEPFLAGS=$CC_DEPFLAGS
AS_DEPFLAGS=$AS_DEPFLAGS
HOSTCC=$host_cc
HOSTCFLAGS=$host_cflags
HOSTEXESUF=$HOSTEXESUF
HOSTLDFLAGS=$host_ldflags
HOSTLIBS=$host_libs
TARGET_EXEC=$target_exec
TARGET_PATH=$target_path
SDL_LIBS=$sdl_libs
SDL_CFLAGS=$sdl_cflags
LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
EXTRALIBS=$extralibs
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INSTALL=install
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LIBTARGET=${LIBTARGET}
SLIBNAME=${SLIBNAME}
SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
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SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
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SAMPLES:=${samples:-\$(FATE_SAMPLES)}
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EOF
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get_version(){
    name=$1
    file=$source_path/$2
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    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
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    lcname=$(tolower $name)
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
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}

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get_version LIBAVCODEC  libavcodec/version.h
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get_version LIBAVDEVICE libavdevice/avdevice.h
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get_version LIBAVFILTER libavfilter/version.h
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get_version LIBAVFORMAT libavformat/version.h
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3392
get_version LIBAVRESAMPLE libavresample/version.h
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get_version LIBAVUTIL   libavutil/avutil.h
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get_version LIBSWSCALE  libswscale/swscale.h
3395

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cat > $TMPH <<EOF
/* Automatically generated by configure - do not modify! */
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#ifndef LIBAV_CONFIG_H
#define LIBAV_CONFIG_H
#define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
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#define LIBAV_LICENSE "$(c_escape $license)"
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#define AVCONV_DATADIR "$(eval c_escape $datadir)"
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#define CC_TYPE "$cc_type"
#define CC_VERSION $cc_version
#define restrict $_restrict
#define EXTERN_PREFIX "${extern_prefix}"
#define EXTERN_ASM ${extern_prefix}
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#define SLIBSUF "$SLIBSUF"
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EOF
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test -n "$malloc_prefix" &&
    echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH

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if enabled small || disabled optimizations; then
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    echo "#undef  av_always_inline"  >> $TMPH
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    if enabled small; then
        echo "#define av_always_inline inline"  >> $TMPH
    else
        echo "#define av_always_inline av_unused"  >> $TMPH
    fi
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fi

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if enabled yasm; then
    append config_files $TMPASM
    printf '' >$TMPASM
fi

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print_config ARCH_   "$config_files" $ARCH_LIST
print_config HAVE_   "$config_files" $HAVE_LIST
print_config CONFIG_ "$config_files" $CONFIG_LIST       \
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                                     $CONFIG_EXTRA      \
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                                     $ALL_COMPONENTS    \
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cat >>config.mak <<EOF
ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
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LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
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SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
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EOF

3442
echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
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3444
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
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cp_if_changed $TMPH config.h
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touch .config
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3447

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enabled yasm && cp_if_changed $TMPASM config.asm

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cat > $TMPH <<EOF
/* Generated by ffconf */
#ifndef AVUTIL_AVCONFIG_H
#define AVUTIL_AVCONFIG_H
EOF

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print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
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echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH

cp_if_changed $TMPH libavutil/avconfig.h

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test -n "$WARNINGS" && printf "\n$WARNINGS"

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# build pkg-config files
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pkgconfig_generate(){
name=$1
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shortname=${name#lib}${build_suffix}
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comment=$2
version=$3
libs=$4
requires=$5
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enabled ${name#lib} || return 0
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mkdir -p $name
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cat <<EOF > $name/$name.pc
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prefix=$prefix
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exec_prefix=\${prefix}
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libdir=$libdir
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includedir=$incdir
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Name: $name
Description: $comment
Version: $version
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Requires: $(enabled shared || echo $requires)
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Requires.private: $(enabled shared && echo $requires)
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Conflicts:
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Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
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Libs.private: $(enabled shared && echo $libs)
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Cflags: -I\${includedir}
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EOF
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cat <<EOF > $name/$name-uninstalled.pc
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prefix=
exec_prefix=
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libdir=\${pcfiledir}
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includedir=${source_path}
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Name: $name
Description: $comment
Version: $version
Requires: $requires
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Conflicts:
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Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
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Cflags: -I\${includedir}
EOF
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}
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pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
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pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
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pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
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3512
pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
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pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"