configure 88.6 KB
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#!/bin/sh
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#
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# FFmpeg configure script
#
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# Copyright (c) 2000-2002 Fabrice Bellard
# Copyright (c) 2005-2008 Diego Biurrun
# Copyright (c) 2005-2008 Mans Rullgard
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#
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# Prevent locale nonsense from breaking basic text processing.
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LC_ALL=C
export LC_ALL
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# make sure we are running under a compatible shell
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# try to make this part work with most shells

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

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

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

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

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

Standard options:
  --help                   print this message
  --logfile=FILE           log tests and output to FILE [config.err]
  --disable-logging        do not log configure debug information
  --prefix=PREFIX          install in PREFIX [$prefix]
  --bindir=DIR             install binaries in DIR [PREFIX/bin]
  --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
  --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]

Configuration options:
  --disable-static         do not build static libraries [no]
  --enable-shared          build shared libraries [no]
  --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]
  --disable-doc            do not build documentation
  --disable-ffmpeg         disable ffmpeg build
  --disable-ffplay         disable ffplay build
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  --disable-ffprobe        disable ffprobe build
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  --disable-ffserver       disable ffserver 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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  --enable-postproc        enable GPLed postprocessing support [no]
  --enable-avfilter        video filter support [no]
  --enable-avfilter-lavf   video filters dependent on avformat [no]
  --enable-beosthreads     use BeOS threads [no]
  --enable-os2threads      use OS/2 threads [no]
  --enable-pthreads        use pthreads [no]
  --enable-w32threads      use Win32 threads [no]
  --enable-x11grab         enable X11 grabbing [no]
  --disable-network        disable network support [no]
  --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]
  --enable-gray            enable full grayscale support (slower color)
  --disable-swscale-alpha  disable alpha channel support in swscale
  --disable-fastdiv        disable table-based division
  --enable-small           optimize for size instead of speed
  --disable-aandct         disable AAN DCT code
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  --disable-dct            disable DCT code
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  --disable-fft            disable FFT code
  --disable-golomb         disable Golomb code
  --disable-lpc            disable LPC code
  --disable-mdct           disable MDCT code
  --disable-rdft           disable RDFT code
  --disable-vaapi          disable VAAPI code
  --disable-vdpau          disable VDPAU code
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  --disable-dxva2          disable DXVA2 code
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  --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
  --enable-hardcoded-tables use hardcoded tables instead of runtime generation
  --enable-memalign-hack   emulate memalign, interferes with memory debuggers
  --enable-beos-netserver  enable BeOS netserver
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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
  --disable-indev=NAME     disable input device NAME
  --disable-outdev=NAME    disable output device NAME
  --disable-indevs         disable input devices
  --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
  --list-decoders          show all available decoders
  --list-encoders          show all available encoders
  --list-hwaccels          show all available hardware accelerators
  --list-muxers            show all available muxers
  --list-demuxers          show all available demuxers
  --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

External library support:
  --enable-avisynth        enable reading of AVISynth script files [no]
  --enable-bzlib           enable bzlib [autodetect]
  --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
  --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
                           and libraw1394 [no]
  --enable-libdirac        enable Dirac support via libdirac [no]
  --enable-libfaac         enable FAAC support via libfaac [no]
  --enable-libfaad         enable FAAD support via libfaad [no]
  --enable-libfaadbin      open libfaad.so.0 at runtime [no]
  --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]
  --enable-libschroedinger enable Dirac support via libschroedinger [no]
  --enable-libspeex        enable Speex decoding via libspeex [no]
  --enable-libtheora       enable Theora encoding via libtheora [no]
  --enable-libvorbis       enable Vorbis encoding via libvorbis,
                           native implementation exists [no]
  --enable-libx264         enable H.264 encoding via x264 [no]
  --enable-libxvid         enable Xvid encoding via xvidcore,
                           native MPEG-4/Xvid encoder exists [no]
  --enable-mlib            enable Sun medialib [no]
  --enable-zlib            enable zlib [autodetect]

Advanced options (experts only):
  --source-path=PATH       path to source code [$source_path]
  --cross-prefix=PREFIX    use PREFIX for compilation tools [$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 [$target_os]
  --target-exec=CMD        command to run executables on target
  --target-path=DIR        path to view of build directory on target
  --nm=NM                  use nm tool
  --as=AS                  use assembler AS [$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 []
  --build-suffix=SUFFIX    library name suffix []
  --arch=ARCH              select architecture [$arch]
  --cpu=CPU                select the minimum required CPU (affects
                           instruction selection, may crash on older CPUs)
  --enable-powerpc-perf    enable performance report on PPC
                           (requires enabling PMC)
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  --disable-asm            disable all assembler optimizations
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  --disable-altivec        disable AltiVec optimizations
  --disable-amd3dnow       disable 3DNow! optimizations
  --disable-amd3dnowext    disable 3DNow! extended optimizations
  --disable-mmx            disable MMX optimizations
  --disable-mmx2           disable MMX2 optimizations
  --disable-sse            disable SSE optimizations
  --disable-ssse3          disable SSSE3 optimizations
  --disable-armv5te        disable armv5te optimizations
  --disable-armv6          disable armv6 optimizations
  --disable-armv6t2        disable armv6t2 optimizations
  --disable-armvfp         disable ARM VFP optimizations
  --disable-iwmmxt         disable iwmmxt optimizations
  --disable-mmi            disable MMI optimizations
  --disable-neon           disable neon optimizations
  --disable-vis            disable VIS optimizations
  --disable-yasm           disable use of yasm assembler
  --enable-pic             build position-independent code
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  --malloc-prefix=PFX      prefix malloc and related names with PFX
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  --enable-sram            allow use of on-chip SRAM
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Developer options (useful when working on FFmpeg itself):
  --disable-debug          disable debugging symbols
  --enable-debug=LEVEL     set the debug level [$debuglevel]
  --enable-gprof           enable profiling with gprof [$gprof]
  --disable-optimizations  disable compiler optimizations
  --enable-extra-warnings  enable more compiler warnings
  --disable-stripping      disable stripping of executables and shared libraries

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

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

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

die(){
    echolog "$@"
    cat <<EOF
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If you think configure made a mistake, make sure you are using the latest
version from SVN.  If the latest version fails, report the problem to the
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ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
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EOF
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    if disabled logging; then
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        cat <<EOF
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Rerun configure with logging enabled (do not use --disable-logging), and
include the log this produces with your report.
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EOF
    else
cat <<EOF
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Include the log file "$logfile" produced by configure as this will help
solving the problem.
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EOF
    fi
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    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 "$1" | sed "s/'/'\\\\''/g")
    test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
    echo "$v"
}

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

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

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

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

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

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

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

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

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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(){
    append extralibs "$@"
}

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

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check_cc(){
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    log check_cc "$@"
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    cat > $TMPC
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    log_file $TMPC
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    check_cmd $cc $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 $extralibs $libs
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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 "$@"
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int x;
EOF
}

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check_cflags(){
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    log check_cflags "$@"
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    set -- $($filter_cflags "$@")
    check_cc "$@" <<EOF && append CFLAGS "$@"
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int x;
EOF
}

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

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check_ldflags(){
    log check_ldflags "$@"
    test_ldflags "$@" && add_ldflags "$@"
}

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check_header(){
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    log check_header "$@"
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    header=$1
    shift
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    disable_safe $header
    check_cpp "$@" <<EOF && enable_safe $header
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#include <$header>
int x;
EOF
}

check_func(){
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    log check_func "$@"
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    func=$1
    shift
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    disable $func
    check_ld "$@" <<EOF && enable $func
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extern int $func();
675
int main(void){ $func(); }
676 677 678
EOF
}

679
check_mathfunc(){
680
    log check_mathfunc "$@"
681 682 683 684 685
    func=$1
    shift
    disable $func
    check_ld "$@" <<EOF && enable $func
#include <math.h>
686 687
float foo(float f) { return $func(f); }
int main(void){ return 0; }
688 689 690
EOF
}

691 692
check_func_headers(){
    log check_func_headers "$@"
693 694 695 696 697 698 699 700 701
    headers=$1
    func=$2
    shift 2
    disable $func
    incs=""
    for hdr in $headers; do
        incs="$incs
#include <$hdr>"
    done
702
    check_ld "$@" <<EOF && enable $func && enable_safe $headers
703
$incs
704
int main(int argc, char **argv){
705
    return (long) $func;
706 707 708 709
}
EOF
}

710 711 712 713
check_cpp_condition(){
    log check_cpp_condition "$@"
    header=$1
    condition=$2
714 715
    shift 2
    check_cpp $($filter_cppflags "$@") <<EOF
716 717 718 719 720 721 722
#include <$header>
#if !($condition)
#error "unsatisfied condition: $condition"
#endif
EOF
}

723 724 725 726 727
check_lib(){
    log check_lib "$@"
    header="$1"
    func="$2"
    shift 2
728 729 730 731 732
    temp_extralibs "$@"
    check_header $header && check_func $func && add_extralibs "$@"
    err=$?
    restore_flags
    return $err
733 734
}

735 736 737 738 739
check_lib2(){
    log check_lib2 "$@"
    headers="$1"
    func="$2"
    shift 2
M
Måns Rullgård 已提交
740
    check_func_headers "$headers" $func "$@" && add_extralibs "$@"
741 742
}

743
check_exec(){
744
    check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
745 746
}

747
check_exec_crash(){
748
    code=$(cat)
749 750 751 752 753 754 755

    # 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.

756
    (check_exec "$@") >> $logfile 2>&1 <<EOF
757 758 759 760
#include <signal.h>
static void sighandler(int sig){
    raise(SIGTERM);
}
D
Diego Biurrun 已提交
761
int main(void){
762 763 764 765 766 767 768 769 770 771 772
    signal(SIGILL, sighandler);
    signal(SIGFPE, sighandler);
    signal(SIGSEGV, sighandler);
#ifdef SIGBUS
    signal(SIGBUS, sighandler);
#endif
    { $code }
}
EOF
}

773 774 775 776 777
check_type(){
    log check_type "$@"
    headers=$1
    type=$2
    shift 2
778
    disable_safe "$type"
779 780 781 782 783
    incs=""
    for hdr in $headers; do
        incs="$incs
#include <$hdr>"
    done
784
    check_cc "$@" <<EOF && enable_safe "$type"
785 786 787 788 789
$incs
$type v;
EOF
}

790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807
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
}

808 809 810 811 812 813
require(){
    name="$1"
    header="$2"
    func="$3"
    shift 3
    check_lib $header $func "$@" || die "ERROR: $name not found"
814 815
}

816 817 818 819 820 821 822 823
require2(){
    name="$1"
    headers="$2"
    func="$3"
    shift 3
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
}

824 825 826 827 828 829 830 831 832 833
check_foo_config(){
    cfg=$1
    pkg=$2
    header=$3
    func=$4
    shift 4
    disable $cfg
    check_cmd ${pkg}-config --version
    err=$?
    if test "$err" = 0; then
834 835
        temp_cflags $(${pkg}-config --cflags)
        temp_extralibs $(${pkg}-config --libs)
836 837 838 839 840
        check_lib "$@" $header $func && enable $cfg
    fi
    return $err
}

841 842 843 844 845 846 847 848 849 850 851 852 853 854
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
}

855 856 857 858 859 860
apply(){
    file=$1
    shift
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
}

861 862 863 864 865 866
cp_if_changed(){
    cmp -s "$1" "$2" &&
        echo "$2 is unchanged" ||
        cp -f "$1" "$2"
}

867 868 869
# CONFIG_LIST contains configurable options, while HAVE_LIST is for
# system-dependent things.

870 871 872 873 874
COMPONENT_LIST="
    bsfs
    decoders
    demuxers
    encoders
V
Vitor Sessak 已提交
875
    filters
876
    hwaccels
877
    indevs
878
    muxers
879
    outdevs
880 881 882 883 884 885
    parsers
    protocols
"

CONFIG_LIST="
    $COMPONENT_LIST
886
    aandct
887 888
    avcodec
    avdevice
889 890
    avfilter
    avfilter_lavf
891
    avformat
892 893
    avisynth
    beos_netserver
894
    bzlib
895
    dct
896
    doc
897
    dwt
L
Laurent Aimar 已提交
898
    dxva2
899
    fastdiv
900 901
    ffmpeg
    ffplay
S
Stefano Sabatini 已提交
902
    ffprobe
903
    ffserver
904
    fft
905
    golomb
906
    gpl
907
    gprof
908
    gray
A
Aurelien Jacobs 已提交
909
    hardcoded_tables
R
Ramiro Polla 已提交
910
    libdc1394
911
    libdirac
912 913 914
    libfaac
    libfaad
    libfaadbin
915
    libgsm
916
    libmp3lame
917
    libnut
918 919
    libopencore_amrnb
    libopencore_amrwb
J
Jai Menon 已提交
920
    libopenjpeg
921
    libschroedinger
D
David Conrad 已提交
922
    libspeex
D
Diego Biurrun 已提交
923
    libtheora
924
    libvorbis
925 926
    libx264
    libxvid
927
    lpc
928
    lsp
929
    mdct
930
    memalign_hack
931
    mlib
932 933
    mpegaudio_hp
    network
934
    nonfree
935
    pic
936
    postproc
937
    powerpc_perf
938
    rdft
939
    runtime_cpudetect
940
    shared
941
    small
942
    sram
943
    static
944
    swscale
945
    swscale_alpha
946 947
    vaapi
    vdpau
948
    version3
949
    x11grab
950
    zlib
951
"
952

953 954
THREADS_LIST='
    beosthreads
D
Dave Yeo 已提交
955
    os2threads
956 957 958 959
    pthreads
    w32threads
'

960 961
ARCH_LIST='
    alpha
M
Måns Rullgård 已提交
962
    arm
963 964 965
    avr32
    avr32_ap
    avr32_uc
966 967 968 969
    bfin
    ia64
    m68k
    mips
970
    mips64
971
    parisc
972
    ppc
973
    ppc64
974 975 976 977
    s390
    sh4
    sparc
    sparc64
M
Måns Rullgård 已提交
978
    tomi
979 980 981 982 983 984
    x86
    x86_32
    x86_64
'

ARCH_EXT_LIST='
985
    altivec
986
    amd3dnow
987
    amd3dnowext
988
    armv5te
989
    armv6
990
    armv6t2
M
Måns Rullgård 已提交
991
    armvfp
992 993 994
    iwmmxt
    mmi
    mmx
995
    mmx2
996
    neon
997
    ppc4xx
998
    sse
999
    ssse3
1000
    vis
1001 1002
'

1003 1004 1005 1006
HAVE_LIST_PUB='
    bigendian
'

1007 1008
HAVE_LIST="
    $ARCH_EXT_LIST
1009
    $HAVE_LIST_PUB
1010
    $THREADS_LIST
1011
    alsa_asoundlib_h
1012
    altivec_h
1013
    arpa_inet_h
1014
    attribute_may_alias
1015
    attribute_packed
1016
    bswap
A
Alex Beregszaszi 已提交
1017
    closesocket
1018
    cmov
1019
    conio_h
1020
    dcbzl
1021 1022 1023 1024 1025
    dev_bktr_ioctl_bt848_h
    dev_bktr_ioctl_meteor_h
    dev_ic_bt8xx_h
    dev_video_meteor_ioctl_meteor_h
    dev_video_bktr_ioctl_bt848_h
1026
    dlfcn_h
1027
    dlopen
1028
    dos_paths
1029 1030
    ebp_available
    ebx_available
1031 1032
    exp2
    exp2f
1033
    fast_64bit
1034
    fast_clz
1035
    fast_cmov
1036
    fast_unaligned
M
Måns Rullgård 已提交
1037
    fork
1038
    getaddrinfo
1039
    gethrtime
1040
    GetProcessMemoryInfo
1041
    GetProcessTimes
R
Ramiro Polla 已提交
1042
    getrusage
1043
    struct_rusage_ru_maxrss
M
Måns Rullgård 已提交
1044
    inet_aton
M
Måns Rullgård 已提交
1045
    inline_asm
M
Martin Storsjö 已提交
1046
    isatty
M
Måns Rullgård 已提交
1047
    ldbrx
1048 1049
    libdc1394_1
    libdc1394_2
1050
    llrint
1051 1052
    local_aligned_16
    local_aligned_8
1053
    log2
1054
    log2f
1055
    loongson
1056
    lrint
1057
    lrintf
1058
    lzo1x_999_compress
1059 1060
    machine_ioctl_bt848_h
    machine_ioctl_meteor_h
1061 1062
    malloc_h
    memalign
R
Ramiro Polla 已提交
1063
    mkstemp
1064
    pld
1065
    posix_memalign
1066 1067
    round
    roundf
1068 1069
    sdl
    sdl_video_size
1070
    setmode
1071
    socklen_t
M
Måns Rullgård 已提交
1072
    soundcard_h
1073
    poll_h
M
Måns Rullgård 已提交
1074
    setrlimit
1075
    struct_addrinfo
1076 1077
    struct_ipv6_mreq
    struct_sockaddr_in6
1078
    struct_sockaddr_sa_len
1079
    struct_sockaddr_storage
1080
    sys_mman_h
1081
    sys_resource_h
1082
    sys_select_h
M
Måns Rullgård 已提交
1083
    sys_soundcard_h
1084
    sys_videoio_h
1085
    ten_operands
1086
    termios_h
1087
    threads
1088
    truncf
1089
    vfp_args
1090
    VirtualAlloc
1091
    winsock2_h
1092
    xform_asm
L
Loren Merritt 已提交
1093
    yasm
1094
"
1095

1096 1097
# options emitted with CONFIG_ prefix but not available on command line
CONFIG_EXTRA="
1098
    avutil
1099 1100
    gplv3
    lgplv3
1101 1102
"

1103
CMDLINE_SELECT="
1104
    $ARCH_EXT_LIST
1105
    $CONFIG_LIST
1106
    $THREADS_LIST
1107
    asm
1108
    cross_compile
1109 1110
    debug
    extra_warnings
1111
    logging
1112
    optimizations
1113
    stripping
1114
    yasm
1115
"
1116 1117

PATHS_LIST='
1118
    bindir
1119
    datadir
1120 1121 1122 1123 1124
    incdir
    libdir
    mandir
    prefix
    shlibdir
1125 1126 1127 1128 1129
'

CMDLINE_SET="
    $PATHS_LIST
    arch
1130
    as
1131 1132 1133 1134
    build_suffix
    cc
    cpu
    cross_prefix
1135
    dep_cc
1136
    extra_version
1137 1138 1139 1140
    host_cc
    host_cflags
    host_ldflags
    host_libs
1141
    host_os
1142
    ld
1143
    logfile
1144
    malloc_prefix
1145
    nm
1146
    source_path
1147
    strip
1148 1149
    sysinclude
    sysroot
1150
    target_exec
1151
    target_os
1152
    target_path
1153
"
1154

1155 1156 1157 1158
CMDLINE_APPEND="
    extra_cflags
"

D
Diego Biurrun 已提交
1159 1160
# code dependency declarations

1161
# architecture extensions
1162

M
Måns Rullgård 已提交
1163 1164
armv5te_deps="arm"
armv6_deps="arm"
1165
armv6t2_deps="arm"
M
Måns Rullgård 已提交
1166 1167
armvfp_deps="arm"
iwmmxt_deps="arm"
1168 1169
neon_deps="arm"

1170
mmi_deps="mips"
1171 1172 1173 1174 1175 1176

altivec_deps="ppc"
ppc4xx_deps="ppc"

vis_deps="sparc"

M
Måns Rullgård 已提交
1177
x86_64_suggest="cmov fast_cmov"
1178 1179
amd3dnow_deps="mmx"
amd3dnowext_deps="amd3dnow"
1180
mmx_deps="x86"
1181 1182 1183
mmx2_deps="mmx"
sse_deps="mmx"
ssse3_deps="sse"
1184

1185
fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1186
fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1187
fast_unaligned_if_any="armv6 ppc x86"
1188

1189
need_memalign="altivec neon sse"
1190
inline_asm_deps="!tms470"
1191

1192 1193 1194 1195
# subsystems
mdct_select="fft"
rdft_select="fft"

1196
# decoders / encoders / hardware accelerators
1197
aac_decoder_select="mdct rdft aac_parser"
1198 1199
aac_encoder_select="mdct"
ac3_decoder_select="mdct ac3_parser"
1200
alac_encoder_select="lpc"
1201
amrnb_decoder_select="lsp"
1202
atrac1_decoder_select="mdct"
1203 1204 1205
atrac3_decoder_select="mdct"
binkaudio_dct_decoder_select="mdct rdft dct"
binkaudio_rdft_decoder_select="mdct rdft"
1206
cavs_decoder_select="golomb"
1207
cook_decoder_select="mdct"
1208
cscd_decoder_suggest="zlib"
1209
dca_decoder_select="mdct"
1210
dnxhd_encoder_select="aandct"
1211
dxa_decoder_select="zlib"
1212
eac3_decoder_select="ac3_decoder"
1213
eamad_decoder_select="aandct"
1214
eatgq_decoder_select="aandct"
A
Aurelien Jacobs 已提交
1215
eatqi_decoder_select="aandct"
1216 1217
ffv1_decoder_select="golomb"
flac_decoder_select="golomb"
1218
flac_encoder_select="golomb lpc"
1219 1220
flashsv_decoder_select="zlib"
flashsv_encoder_select="zlib"
1221
flv_decoder_select="h263_decoder"
1222
flv_encoder_select="h263_encoder"
1223
h261_encoder_select="aandct"
1224
h263_decoder_select="h263_parser"
1225
h263_encoder_select="aandct"
G
Gwenole Beauchesne 已提交
1226
h263_vaapi_hwaccel_deps="va_va_h"
1227
h263_vaapi_hwaccel_select="vaapi h263_decoder"
1228
h263i_decoder_select="h263_decoder"
1229
h263p_encoder_select="h263_encoder"
1230
h264_decoder_select="golomb"
L
Laurent Aimar 已提交
1231 1232
h264_dxva2_hwaccel_deps="dxva2api_h"
h264_dxva2_hwaccel_select="dxva2 h264_decoder"
G
Gwenole Beauchesne 已提交
1233
h264_vaapi_hwaccel_deps="va_va_h"
1234
h264_vaapi_hwaccel_select="vaapi"
1235
h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1236
h264_vdpau_decoder_select="vdpau h264_decoder"
1237
imc_decoder_select="fft mdct"
1238 1239
jpegls_decoder_select="golomb"
jpegls_encoder_select="golomb"
1240
ljpeg_encoder_select="aandct"
1241
loco_decoder_select="golomb"
1242
mjpeg_encoder_select="aandct"
1243
mlp_decoder_select="mlp_parser"
1244 1245
mpeg1video_encoder_select="aandct"
mpeg2video_encoder_select="aandct"
1246
mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1247
mpeg4_encoder_select="h263_encoder"
1248
mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1249
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1250
mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1251
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
G
Gwenole Beauchesne 已提交
1252
mpeg2_vaapi_hwaccel_deps="va_va_h"
1253
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
G
Gwenole Beauchesne 已提交
1254
mpeg4_vaapi_hwaccel_deps="va_va_h"
1255
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1256 1257
mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1258
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1259
mpeg_xvmc_decoder_select="mpegvideo_decoder"
1260
msmpeg4v1_decoder_select="h263_decoder"
1261
msmpeg4v1_encoder_select="h263_encoder"
1262
msmpeg4v2_decoder_select="h263_decoder"
1263
msmpeg4v2_encoder_select="h263_encoder"
1264
msmpeg4v3_decoder_select="h263_decoder"
1265
msmpeg4v3_encoder_select="h263_encoder"
1266 1267
nellymoser_decoder_select="mdct"
nellymoser_encoder_select="mdct"
1268 1269
png_decoder_select="zlib"
png_encoder_select="zlib"
1270
qcelp_decoder_select="lsp"
1271
qdm2_decoder_select="mdct rdft"
1272
rv10_decoder_select="h263_decoder"
1273
rv10_encoder_select="h263_encoder"
1274
rv20_decoder_select="h263_decoder"
1275
rv20_encoder_select="h263_encoder"
A
Aurelien Jacobs 已提交
1276 1277
rv30_decoder_select="golomb"
rv40_decoder_select="golomb"
1278
shorten_decoder_select="golomb"
1279
sipr_decoder_select="lsp"
1280 1281
snow_decoder_select="dwt"
snow_encoder_select="aandct dwt"
1282 1283 1284
sonic_decoder_select="golomb"
sonic_encoder_select="golomb"
sonic_ls_encoder_select="golomb"
D
Daniel Verkamp 已提交
1285
svq1_encoder_select="aandct"
1286
svq3_decoder_select="golomb"
B
Baptiste Coudurier 已提交
1287
svq3_decoder_suggest="zlib"
1288
theora_decoder_select="vp3_decoder"
1289 1290
tiff_decoder_suggest="zlib"
tiff_encoder_suggest="zlib"
1291
truehd_decoder_select="mlp_decoder"
1292
tscc_decoder_select="zlib"
1293
twinvq_decoder_select="mdct lsp"
1294
vc1_decoder_select="h263_decoder"
1295
vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
L
Laurent Aimar 已提交
1296
vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
G
Gwenole Beauchesne 已提交
1297
vc1_vaapi_hwaccel_deps="va_va_h"
1298
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1299
vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1300
vc1_vdpau_decoder_select="vdpau vc1_decoder"
1301 1302
vorbis_decoder_select="mdct"
vorbis_encoder_select="mdct"
1303 1304
vp6a_decoder_select="vp6_decoder"
vp6f_decoder_select="vp6_decoder"
1305
wmapro_decoder_select="mdct"
1306 1307 1308 1309
wmav1_decoder_select="mdct"
wmav1_encoder_select="mdct"
wmav2_decoder_select="mdct"
wmav2_encoder_select="mdct"
1310
wmavoice_decoder_select="lsp"
1311
wmv1_decoder_select="h263_decoder"
1312
wmv1_encoder_select="h263_encoder"
1313
wmv2_decoder_select="h263_decoder"
1314
wmv2_encoder_select="h263_encoder"
1315
wmv3_decoder_select="vc1_decoder"
L
Laurent Aimar 已提交
1316
wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1317 1318
wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1319 1320 1321 1322
zlib_decoder_select="zlib"
zlib_encoder_select="zlib"
zmbv_decoder_select="zlib"
zmbv_encoder_select="zlib"
1323

1324 1325 1326
# parsers
h264_parser_select="golomb"

1327 1328 1329
# bitstream_filters
aac_adtstoasc_bsf_select="aac_parser"

D
Diego Biurrun 已提交
1330
# external libraries
1331
libdirac_decoder_deps="libdirac !libschroedinger"
1332
libdirac_encoder_deps="libdirac"
1333
libfaac_encoder_deps="libfaac"
1334
libfaad_decoder_deps="libfaad"
1335
libfaadbin_decoder_extralibs='$ldl'
1336 1337
libgsm_decoder_deps="libgsm"
libgsm_encoder_deps="libgsm"
1338 1339
libgsm_ms_decoder_deps="libgsm"
libgsm_ms_encoder_deps="libgsm"
1340
libmp3lame_encoder_deps="libmp3lame"
1341 1342 1343
libopencore_amrnb_decoder_deps="libopencore_amrnb"
libopencore_amrnb_encoder_deps="libopencore_amrnb"
libopencore_amrwb_decoder_deps="libopencore_amrwb"
J
Jai Menon 已提交
1344
libopenjpeg_decoder_deps="libopenjpeg"
1345 1346
libschroedinger_decoder_deps="libschroedinger"
libschroedinger_encoder_deps="libschroedinger"
D
David Conrad 已提交
1347
libspeex_decoder_deps="libspeex"
D
Diego Biurrun 已提交
1348
libtheora_encoder_deps="libtheora"
1349
libvorbis_encoder_deps="libvorbis"
1350 1351
libx264_encoder_deps="libx264"
libxvid_encoder_deps="libxvid"
1352

D
Diego Biurrun 已提交
1353
# demuxers / muxers
1354
ac3_demuxer_deps="ac3_parser"
1355
asf_stream_muxer_select="asf_muxer"
1356 1357
avisynth_demuxer_deps="avisynth"
dirac_demuxer_deps="dirac_parser"
1358
eac3_demuxer_select="ac3_parser"
1359
ipod_muxer_select="mov_muxer"
1360 1361
libnut_demuxer_deps="libnut"
libnut_muxer_deps="libnut"
1362
matroska_audio_muxer_select="matroska_muxer"
1363 1364 1365
matroska_demuxer_suggest="zlib bzlib"
mov_demuxer_suggest="zlib"
mp3_demuxer_deps="mpegaudio_parser"
1366 1367 1368
mp4_muxer_select="mov_muxer"
mpegtsraw_demuxer_select="mpegts_demuxer"
mxf_d10_muxer_select="mxf_muxer"
D
David Conrad 已提交
1369
ogg_demuxer_select="golomb"
1370
psp_muxer_select="mov_muxer"
1371
rtsp_demuxer_deps="sdp_demuxer"
M
Martin Storsjö 已提交
1372 1373
rtsp_muxer_deps="sdp_demuxer"
rtsp_muxer_select="rtp_muxer"
1374
sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1375
spdif_muxer_select="aac_parser"
1376 1377
tg2_muxer_select="mov_muxer"
tgp_muxer_select="mov_muxer"
1378
w64_demuxer_deps="wav_demuxer"
1379 1380

# indevs / outdevs
1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
alsa_indev_extralibs="-lasound"
alsa_outdev_deps="alsa_asoundlib_h"
alsa_outdev_extralibs="-lasound"
audio_beos_indev_deps="audio_beos"
audio_beos_indev_extralibs="-lmedia -lbe"
audio_beos_outdev_deps="audio_beos"
audio_beos_outdev_extralibs="-lmedia -lbe"
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"
jack_indev_deps="jack_jack_h"
jack_indev_extralibs="-ljack"
libdc1394_indev_deps="libdc1394"
oss_indev_deps_any="soundcard_h sys_soundcard_h"
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
v4l_indev_deps="linux_videodev_h"
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
vfwcap_indev_deps="capCreateCaptureWindow"
1399
vfwcap_indev_extralibs="-lavicap32"
1400
x11_grab_device_indev_deps="x11grab XShmCreateImage"
R
Roxis 已提交
1401
x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1402

D
Diego Biurrun 已提交
1403
# protocols
1404
gopher_protocol_deps="network"
1405
http_protocol_deps="network"
1406
http_protocol_select="tcp_protocol"
M
Måns Rullgård 已提交
1407
rtmp_protocol_deps="tcp_protocol"
1408 1409 1410 1411
rtp_protocol_deps="udp_protocol"
tcp_protocol_deps="network"
udp_protocol_deps="network"

1412
# filters
1413
movie_filter_deps="avfilter_lavf"
1414 1415 1416 1417 1418
avfilter_lavf_deps="avformat"

# libraries
avdevice_deps="avcodec avformat"
avformat_deps="avcodec"
1419

D
Diego Biurrun 已提交
1420
# programs
1421 1422
ffmpeg_deps="avcodec avformat swscale"
ffplay_deps="avcodec avformat swscale sdl"
M
Måns Rullgård 已提交
1423
ffplay_select="rdft"
S
Stefano Sabatini 已提交
1424
ffprobe_deps="avcodec avformat"
1425
ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1426
ffserver_extralibs='$ldl'
M
Måns Rullgård 已提交
1427

1428
doc_deps="texi2html"
D
Diego Biurrun 已提交
1429

F
Fabrice Bellard 已提交
1430
# default parameters
1431

1432
logfile="config.err"
1433 1434

# installation paths
1435 1436
prefix_default="/usr/local"
bindir_default='${prefix}/bin'
1437
datadir_default='${prefix}/share/ffmpeg'
1438 1439 1440 1441
incdir_default='${prefix}/include'
libdir_default='${prefix}/lib'
mandir_default='${prefix}/share/man'
shlibdir_default="$libdir_default"
1442 1443

# toolchain
D
Diego Biurrun 已提交
1444
ar="ar"
1445
cc_default="gcc"
1446
cc_version=\"unknown\"
1447
host_cc_default="gcc"
D
Diego Biurrun 已提交
1448
ln_s="ln -sf"
1449
nm_default="nm"
D
Diego Biurrun 已提交
1450
objformat="elf"
M
Michael Niedermayer 已提交
1451
ranlib="ranlib"
1452
strip_default="strip"
D
Diego Biurrun 已提交
1453
yasmexe="yasm"
1454

1455 1456
nm_opts='-g'

1457
# machine
1458
arch_default=$(uname -m)
1459
cpu="generic"
1460 1461

# OS
1462 1463
target_os_default=$(tolower $(uname -s))
host_os=$target_os_default
1464 1465

# configurable options
1466 1467 1468
enable avcodec
enable avdevice
enable avformat
1469
enable avutil
1470
enable asm
1471
enable debug
1472
enable doc
1473
enable fastdiv
1474 1475
enable ffmpeg
enable ffplay
S
Stefano Sabatini 已提交
1476
enable ffprobe
1477 1478 1479
enable ffserver
enable mpegaudio_hp
enable network
1480
enable optimizations
1481
enable protocols
D
Diego Biurrun 已提交
1482
enable static
1483
enable stripping
1484
enable swscale
1485
enable swscale_alpha
1486 1487

# build settings
M
Måns Rullgård 已提交
1488
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1489
FFSERVERLDFLAGS=-Wl,-E
1490 1491
LIBPREF="lib"
LIBSUF=".a"
1492 1493
FULLNAME='$(NAME)$(BUILDSUF)'
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1494 1495
SLIBPREF="lib"
SLIBSUF=".so"
1496
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1497 1498
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
M
Måns Rullgård 已提交
1499
LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1500

1501 1502
CC_O='-o $@'

1503
host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1504 1505
host_libs='-lm'

M
Måns Rullgård 已提交
1506
target_path='$(CURDIR)'
1507

1508 1509
# gcc stupidly only outputs the basename of targets with -MM, but we need the
# full relative path for objects in subdirectories for non-recursive Make.
1510
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1511
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1512

1513
# find source path
1514
source_path="$(dirname "$0")"
1515
enable source_path_used
1516
if test -f configure; then
1517
    source_path="$(pwd)"
1518
    disable source_path_used
1519
else
1520
    source_path="$(cd "$source_path"; pwd)"
1521
    echo "$source_path" | grep -q '[[:blank:]]' &&
1522
        die "Out of tree builds are impossible with whitespace in source path."
1523 1524
    test -e "$source_path/config.h" &&
        die "Out of tree builds are impossible with config.h in source dir."
1525 1526
fi

1527
for v in "$@"; do
1528 1529 1530
    r=${v#*=}
    l=${v%"$r"}
    r=$(sh_quote "$r")
1531 1532
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
done
1533

1534 1535 1536 1537
find_things(){
    thing=$1
    pattern=$2
    file=$source_path/$3
M
Måns Rullgård 已提交
1538
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1539 1540 1541 1542
}

ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1543
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1544 1545 1546 1547
PARSER_LIST=$(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=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1548 1549
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1550
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1551
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1552

1553 1554 1555
enable $ARCH_EXT_LIST \
       $DECODER_LIST \
       $ENCODER_LIST \
1556
       $HWACCEL_LIST \
1557 1558 1559 1560
       $PARSER_LIST \
       $BSF_LIST \
       $DEMUXER_LIST \
       $MUXER_LIST \
1561
       $FILTER_LIST \
1562 1563 1564
       $PROTOCOL_LIST \
       $INDEV_LIST \
       $OUTDEV_LIST \
1565 1566 1567 1568 1569 1570 1571

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

1572
show_list() {
R
Ramiro Polla 已提交
1573 1574
    suffix=_$1
    shift
1575
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1576 1577 1578
    exit 0
}

1579
for opt do
1580 1581
    optval="${opt#*=}"
    case "$opt" in
1582
    --extra-ldflags=*) add_ldflags $optval
1583
    ;;
1584
    --extra-libs=*) add_extralibs $optval
1585
    ;;
D
Diego Biurrun 已提交
1586
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1587
    ;;
1588 1589
    --enable-debug=*) debuglevel="$optval"
    ;;
1590 1591 1592
    --disable-everything)
    map 'eval disable \${$(toupper ${_%s})_LIST}' $COMPONENT_LIST
    ;;
1593
    --enable-*=*|--disable-*=*)
1594
    eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1595 1596
    is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
    eval list=\$$(toupper $thing)_LIST
1597 1598
    name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
    $action $(filter "$name" $list)
1599 1600
    ;;
    --enable-?*|--disable-?*)
1601
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1602
    if is_in $option $COMPONENT_LIST; then
1603
        test $action = disable && action=unset
1604 1605 1606 1607 1608 1609
        eval $action \$$(toupper ${option%s})_LIST
    elif is_in $option $CMDLINE_SELECT; then
        $action $option
    else
        die_unknown $opt
    fi
1610 1611 1612 1613 1614 1615 1616 1617 1618 1619
    ;;
    --list-*)
        NAME="${opt#--list-}"
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
        NAME=${NAME%s}
        eval show_list $NAME \$$(toupper $NAME)_LIST
    ;;
    --help|-h) show_help
    ;;
    *)
1620
    optname="${opt%%=*}"
1621 1622
    optname="${optname#--}"
    optname=$(echo "$optname" | sed 's/-/_/g')
1623 1624 1625 1626 1627 1628 1629
    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
1630 1631
    ;;
    esac
1632 1633
done

M
Måns Rullgård 已提交
1634 1635
disabled logging && logfile=/dev/null

1636
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
M
Måns Rullgård 已提交
1637 1638
set >> $logfile

1639 1640
test -n "$cross_prefix" && enable cross_compile

1641 1642 1643 1644 1645 1646 1647
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

1648
ar="${cross_prefix}${ar}"
D
Diego Biurrun 已提交
1649
cc_default="${cross_prefix}${cc_default}"
M
Måns Rullgård 已提交
1650
nm_default="${cross_prefix}${nm_default}"
1651
ranlib="${cross_prefix}${ranlib}"
1652
strip_default="${cross_prefix}${strip_default}"
1653

1654 1655
sysinclude_default="${sysroot}/usr/include"

1656
set_default cc nm strip sysinclude
1657 1658
enabled cross_compile || host_cc_default=$cc
set_default host_cc
1659

1660 1661 1662 1663 1664 1665 1666 1667
exesuf() {
    case $1 in
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
    esac
}

EXESUF=$(exesuf $target_os)
HOSTEXESUF=$(exesuf $host_os)
1668

1669
# set temporary file name
1670
: ${TMPDIR:=$TEMPDIR}
1671
: ${TMPDIR:=$TMP}
1672
: ${TMPDIR:=/tmp}
1673

1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684
if ! check_cmd type mktemp; then
    # simple replacement for missing mktemp
    # NOT SAFE FOR GENERAL USE
    mktemp(){
        echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
    }
fi

tmpfile(){
    tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
        (set -C; exec > $tmp) 2>/dev/null ||
1685
        die "Unable to create temporary file in $TMPDIR."
1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697
    append TMPFILES $tmp
    eval $1=$tmp
}

trap 'rm -f -- $TMPFILES' EXIT
trap exit HUP INT TERM

tmpfile TMPC  .c
tmpfile TMPE  $EXESUF
tmpfile TMPH  .h
tmpfile TMPO  .o
tmpfile TMPS  .S
1698
tmpfile TMPV  .ver
1699 1700 1701
tmpfile TMPSH .sh

unset -f mktemp
1702

1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715
# 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

1716 1717 1718 1719
filter_cflags=echo
filter_cppflags=echo
filter_asflags=echo

1720
if   $cc -v 2>&1 | grep -qi ^gcc; then
1721
    cc_type=gcc
1722
    cc_version=__VERSION__
1723 1724 1725 1726
    if ! $cc -dumpversion | grep -q '^2\.'; then
        CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
        AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
    fi
1727 1728
    speed_cflags='-O3'
    size_cflags='-Os'
1729 1730
elif $cc --version 2>/dev/null | grep -q Intel; then
    cc_type=icc
1731
    cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1732 1733
    CC_DEPFLAGS='-MMD'
    AS_DEPFLAGS='-MMD'
1734 1735
    speed_cflags='-O3'
    size_cflags='-Os'
1736 1737
elif $cc -v 2>&1 | grep -q xlc; then
    cc_type=xlc
1738
    cc_version="AV_STRINGIFY(__IBMC__)"
1739 1740
    speed_cflags='-O5'
    size_cflags='-O5 -qcompact'
1741 1742
elif $cc -V 2>/dev/null | grep -q Compaq; then
    cc_type=ccc
1743
    cc_version="AV_STRINGIFY(__DECC_VER)"
1744
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1745
    debuglevel=3
1746
    add_ldflags -Wl,-z,now # calls to libots crash without this
1747 1748
    speed_cflags='-fast'
    size_cflags='-O1'
M
Måns Rullgård 已提交
1749
elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1750 1751
    test -d "$sysroot" || die "No valid sysroot specified."
    cc_type=armcc
1752
    cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1753 1754 1755 1756 1757 1758 1759
    armcc_conf="$PWD/armcc.conf"
    $cc --arm_linux_configure                 \
        --arm_linux_config_file="$armcc_conf" \
        --configure_sysroot="$sysroot"        \
        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
        die "Error creating armcc configuration file."
    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1760
    as_default="${cross_prefix}gcc"
1761 1762
    CC_DEPFLAGS='-MMD'
    AS_DEPFLAGS='-MMD'
1763 1764
    speed_cflags='-O3'
    size_cflags='-Os'
1765 1766
elif $cc -version 2>/dev/null | grep -q TMS470; then
    cc_type=tms470
1767
    cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1768 1769 1770 1771 1772 1773 1774
    cc="$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 $TMPO
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1775 1776
    CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
    AS_DEPFLAGS='-MMD'
1777 1778
    speed_cflags='-O3 -mf=5'
    size_cflags='-O3 -mf=2'
1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795
    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        ;;
1796
                -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
1797
                -msoft-float)   echo --float_support=vfplib       ;;
1798
                -O[0-3]|-mf=*)  echo $flag                        ;;
1799
                -g)             echo -g -mn                       ;;
1800
                -pds=*)         echo $flag                        ;;
1801 1802 1803
            esac
        done
    }
D
David Conrad 已提交
1804 1805 1806 1807 1808
elif $cc -v 2>&1 | grep -q clang; then
    cc_type=clang
    cc_version=__VERSION__
    CC_DEPFLAGS='-MMD'
    AS_DEPFLAGS='-MMD'
1809 1810
    speed_cflags='-O3'
    size_cflags='-Os'
1811 1812 1813
elif $cc -V 2>&1 | grep -q Sun; then
    cc_type=suncc
    cc_version="AV_STRINGIFY(__SUNPRO_C)"
1814
    DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1815
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1816 1817
    speed_cflags='-O5'
    size_cflags='-O5 -xspace'
M
Michael Kostylev 已提交
1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851
    filter_cflags=suncc_flags
    suncc_flags(){
        for flag; do
            case $flag in
                -march=*|-mcpu=*)
                    case "${flag#*=}" in
                        native)                   echo -xtarget=native       ;;
                        v9)                       echo -xarch=sparc          ;;
                        ultrasparc)               echo -xarch=sparcvis       ;;
                        ultrasparc3|niagara*)     echo -xarch=sparcvis2      ;;
                        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
    }
1852 1853 1854 1855
fi

test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"

1856
: ${as_default:=$cc}
1857
: ${dep_cc_default:=$cc}
1858
: ${ld_default:=$cc}
1859
set_default as dep_cc ld
1860

1861 1862 1863
test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD

1864
add_cflags $extra_cflags
1865
add_asflags $extra_cflags
1866

M
Måns Rullgård 已提交
1867 1868 1869
if test -n "$sysroot"; then
    case "$cc_type" in
        gcc)
1870
            add_cppflags --sysroot="$sysroot"
M
Måns Rullgård 已提交
1871 1872
            add_ldflags --sysroot="$sysroot"
        ;;
1873 1874 1875 1876
        tms470)
            add_cppflags -I"$sysinclude"
            add_ldflags  --sysroot="$sysroot"
        ;;
D
David Conrad 已提交
1877
        clang)
D
David Conrad 已提交
1878 1879
            add_cppflags -isysroot "$sysroot"
            add_ldflags -isysroot "$sysroot"
D
David Conrad 已提交
1880
        ;;
M
Måns Rullgård 已提交
1881 1882 1883
    esac
fi

1884 1885 1886 1887 1888 1889 1890
if test "$cpu" = host; then
    enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."

    case "$cc_type" in
        gcc)
            check_native(){
                $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
M
Måns Rullgård 已提交
1891 1892 1893 1894 1895
                sed -n "/$1=/{
                            s/.*$1=\\([^ ]*\\).*/\\1/
                            p
                            q
                        }" $TMPE
1896 1897 1898 1899 1900 1901 1902 1903
            }
            cpu=$(check_native -march || check_native -mcpu)
        ;;
    esac

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

1904 1905 1906 1907 1908 1909 1910 1911
# Deal with common $arch aliases
case "$arch" in
    arm*)
        arch="arm"
    ;;
    mips|mipsel|IP*)
        arch="mips"
    ;;
1912
    mips64*)
1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925
        arch="mips"
        subarch="mips64"
    ;;
    parisc|hppa)
        arch="parisc"
    ;;
    parisc64|hppa64)
        arch="parisc"
        subarch="parisc64"
    ;;
    "Power Macintosh"|ppc|powerpc)
        arch="ppc"
    ;;
1926
    ppc64|powerpc64)
1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945
        arch="ppc"
        subarch="ppc64"
    ;;
    s390|s390x)
        arch="s390"
    ;;
    sh4|sh)
        arch="sh4"
    ;;
    sun4u|sparc64)
        arch="sparc"
        subarch="sparc64"
    ;;
    i[3-6]86|i86pc|BePC|x86_64|amd64)
        arch="x86"
    ;;
esac

is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
1946
enable $arch
1947

1948
# Add processor-specific flags
1949 1950 1951
if test "$cpu" = generic; then
    : do nothing
elif enabled ppc; then
1952

1953 1954
    case $(tolower $cpu) in
        601|ppc601|powerpc601)
M
Måns Rullgård 已提交
1955
            cpuflags="-mcpu=601"
1956
            disable altivec
M
Måns Rullgård 已提交
1957
        ;;
1958
        603*|ppc603*|powerpc603*)
M
Måns Rullgård 已提交
1959
            cpuflags="-mcpu=603"
1960
            disable altivec
M
Måns Rullgård 已提交
1961
        ;;
1962
        604*|ppc604*|powerpc604*)
M
Måns Rullgård 已提交
1963
            cpuflags="-mcpu=604"
1964
            disable altivec
M
Måns Rullgård 已提交
1965
        ;;
1966
        g3|75*|ppc75*|powerpc75*)
M
Måns Rullgård 已提交
1967
            cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1968
            disable altivec
M
Måns Rullgård 已提交
1969
        ;;
1970
        g4|745*|ppc745*|powerpc745*)
M
Måns Rullgård 已提交
1971 1972
            cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
        ;;
1973
        74*|ppc74*|powerpc74*)
M
Måns Rullgård 已提交
1974 1975
            cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
        ;;
1976
        g5|970|ppc970|powerpc970|power4*)
M
Måns Rullgård 已提交
1977 1978
            cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
        ;;
1979
        cell)
M
Måns Rullgård 已提交
1980 1981 1982
            cpuflags="-mcpu=cell"
            enable ldbrx
        ;;
A
Ancoron Luciferis 已提交
1983 1984 1985 1986 1987 1988 1989 1990
        e500v2)
            cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
            disable altivec
        ;;
        e500)
            cpuflags="-mcpu=8540 -mhard-float"
            disable altivec
        ;;
M
Måns Rullgård 已提交
1991
    esac
1992 1993 1994

elif enabled x86; then

M
Måns Rullgård 已提交
1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017
    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=$cpu"
            disable cmov
        ;;
        # targets that do support conditional mov (cmov)
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
            cpuflags="-march=$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
2018 2019 2020

elif enabled sparc; then

M
Måns Rullgård 已提交
2021 2022 2023 2024 2025
    case $cpu in
        sparc64)
            cpuflags="-mcpu=v9"
        ;;
    esac
2026 2027 2028

elif enabled arm; then

2029 2030 2031 2032 2033 2034 2035 2036
    case $cpu in
        armv*)
            cpuflags="-march=$cpu"
        ;;
        *)
            cpuflags="-mcpu=$cpu"
        ;;
    esac
2037 2038 2039

elif enabled alpha; then

2040
    enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2041 2042 2043

elif enabled bfin; then

2044
    cpuflags="-mcpu=$cpu"
2045 2046 2047

elif enabled mips; then

2048
    cpuflags="-march=$cpu"
2049 2050 2051

elif enabled avr32; then

M
Måns Rullgård 已提交
2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069
    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
2070

2071 2072
fi

2073 2074 2075
add_cflags $cpuflags
add_asflags $cpuflags

2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088
# 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

2089
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2090
check_cflags -std=c99
2091
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2092 2093
#include <stdlib.h>
EOF
2094
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2095 2096
#include <stdlib.h>
EOF
2097

2098 2099
check_host_cflags -std=c99

R
Ramiro Polla 已提交
2100
case "$arch" in
2101
    alpha|ia64|mips|parisc|sparc)
2102
        spic=$shared
R
Ramiro Polla 已提交
2103
    ;;
2104
    x86)
2105
        subarch="x86_32"
2106
        check_cc <<EOF && subarch="x86_64"
2107
        int test[(int)sizeof(char*) - 7];
2108
EOF
2109
        if test "$subarch" = "x86_64"; then
2110
            spic=$shared
2111
        fi
R
Ramiro Polla 已提交
2112 2113 2114
    ;;
esac

2115
enable $subarch
2116
enabled spic && enable pic
2117
check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
R
Ramiro Polla 已提交
2118

2119
# OS specific
2120
case $target_os in
2121
    beos|haiku|zeta)
2122
        prefix_default="$HOME/config"
2123
        # 3 gcc releases known for BeOS, each with ugly bugs
2124
        gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
2125 2126 2127 2128 2129
        case "$gcc_version" in
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
            disable mmx
            ;;
          *20010315*) echo "BeBits gcc"
2130
            add_cflags -fno-expensive-optimizations
2131 2132 2133 2134 2135 2136 2137 2138
            ;;
        esac
        SHFLAGS=-nostart
        # enable BeOS things
        enable audio_beos
        # no need for libm, but the inet stuff
        # Check for BONE
        # XXX: actually should check for NOT net_server
2139
        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
2140 2141 2142 2143 2144 2145 2146
            network_extralibs="-lbind -lsocket"
        else
            enable beos_netserver
            network_extralibs="-lnet"
        fi ;;
    sunos)
        FFSERVERLDFLAGS=""
M
Måns Rullgård 已提交
2147
        SHFLAGS='-shared -Wl,-h,$$(@F)'
2148
        enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2149
        network_extralibs="-lsocket -lnsl"
2150
        add_cppflags -D__EXTENSIONS__
2151
        nm_opts='-P -g'
2152 2153
        ;;
    netbsd)
M
Måns Rullgård 已提交
2154 2155
        oss_indev_extralibs="-lossaudio"
        oss_outdev_extralibs="-lossaudio"
2156
        add_cppflags -D_XOPEN_SOURCE=600
2157 2158
        ;;
    openbsd)
2159
        enable malloc_aligned
M
Måns Rullgård 已提交
2160 2161 2162 2163
        # On OpenBSD 4.5. the compiler does not use PIC unless
        # explicitly using -fPIC. FFmpeg builds fine without PIC,
        # however the generated executable will not do anything
        # (simply quits with exit-code 1, no crash, no output).
2164
        # Thus explicitly enable PIC here.
2165
        enable pic
2166
        SHFLAGS='-shared'
M
Måns Rullgård 已提交
2167 2168
        oss_indev_extralibs="-lossaudio"
        oss_outdev_extralibs="-lossaudio"
2169
        ;;
2170
    freebsd|dragonfly)
2171
        enable malloc_aligned
2172 2173 2174 2175 2176 2177
        ;;
    bsd/os)
        osextralibs="-lpoll -lgnugetopt"
        strip="strip -d"
        ;;
    darwin)
2178
        enable malloc_aligned
2179
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2180 2181 2182 2183 2184 2185
        strip="strip -x"
        FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
        SLIBSUF=".dylib"
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
        FFSERVERLDFLAGS=-Wl,-bind_at_load
L
Loren Merritt 已提交
2186
        objformat="macho"
2187
        enabled x86_64 && objformat="macho64"
2188
        enabled_any pic shared ||
2189
            { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2190 2191
        ;;
    mingw32*)
2192
        if test $target_os = "mingw32ce"; then
2193 2194 2195 2196
            disable network
        else
            target_os=mingw32
        fi
R
Ramiro Polla 已提交
2197
        LIBTARGET=i386
2198
        if enabled x86_64; then
2199
            enable malloc_aligned
R
Ramiro Polla 已提交
2200
            LIBTARGET=x64
2201 2202
        elif enabled arm; then
            LIBTARGET=arm
R
Ramiro Polla 已提交
2203
        fi
2204
        shlibdir_default="$bindir_default"
2205 2206 2207 2208 2209
        disable ffserver
        SLIBPREF=""
        SLIBSUF=".dll"
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2210
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2211
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2212 2213 2214
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
            install -d "$(LIBDIR)"; \
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2215
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2216
        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'
L
Loren Merritt 已提交
2217
        objformat="win32"
2218
        enable dos_paths
2219
        check_cflags -fno-common
2220
        if ! enabled x86_64; then
R
Ramiro Polla 已提交
2221 2222
            check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
                die "ERROR: MinGW runtime version must be >= 3.15."
2223
            enabled_any avisynth vfwcap_indev &&
R
Ramiro Polla 已提交
2224
                { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2225
                  die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
R
Indent.  
Ramiro Polla 已提交
2226
        fi
2227 2228
        ;;
    cygwin*)
2229
        target_os=cygwin
2230
        shlibdir_default="$bindir_default"
2231 2232 2233 2234 2235
        SLIBPREF="cyg"
        SLIBSUF=".dll"
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
L
Loren Merritt 已提交
2236
        objformat="win32"
2237
        enable dos_paths
2238
        check_cflags -fno-common
2239
        ;;
M
Michael Kostylev 已提交
2240
    *-dos|freedos|opendos)
2241
        disable ffplay ffserver
M
Michael Kostylev 已提交
2242 2243
        disable $INDEV_LIST $OUTDEV_LIST
        network_extralibs="-lsocket"
2244
        objformat="coff"
2245
        enable dos_paths
M
Michael Kostylev 已提交
2246
        ;;
2247 2248 2249 2250
    linux)
        enable dv1394
        ;;
    irix*)
2251
        target_os=irix
2252 2253
        ranlib="echo ignoring ranlib"
        ;;
D
Dave Yeo 已提交
2254 2255 2256 2257
    os/2*)
        strip="lxlite"
        ln_s="cp -f"
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
M
Måns Rullgård 已提交
2258
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
D
Dave Yeo 已提交
2259
        FFSERVERLDFLAGS=""
2260
        LIBSUF="_s.a"
D
Dave Yeo 已提交
2261 2262 2263 2264
        SLIBPREF=""
        SLIBSUF=".dll"
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
M
Måns Rullgård 已提交
2265 2266 2267 2268 2269 2270 2271 2272 2273
        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
D
Dave Yeo 已提交
2274
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2275
        enable dos_paths
D
Dave Yeo 已提交
2276
        ;;
2277 2278
    gnu/kfreebsd)
        ;;
2279 2280
    gnu)
        ;;
2281 2282
    none)
        ;;
2283
    *)
2284
        die "Unknown OS '$target_os'."
2285 2286 2287
        ;;
esac

2288 2289
set_default $PATHS_LIST

2290
add_extralibs $osextralibs
F
Fabrice Bellard 已提交
2291

2292 2293
# Combine FFLDFLAGS and the LDFLAGS environment variable.
LDFLAGS="$FFLDFLAGS $LDFLAGS"
2294

2295
# we need to build at least one lib type
2296
if ! enabled_any static shared; then
2297 2298 2299 2300 2301 2302 2303 2304 2305
    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

D
Diego Biurrun 已提交
2306
disabled static && LIBNAME=""
R
Ramiro Polla 已提交
2307

2308 2309
if enabled_any libfaad libfaadbin ; then
    if check_header faad.h; then
D
Diego Biurrun 已提交
2310
        check_cc <<EOF
2311 2312 2313 2314
#include <faad.h>
#ifndef FAAD2_VERSION
ok faad1
#endif
D
Diego Biurrun 已提交
2315
int main(void) { return 0; }
2316 2317 2318
EOF
        test $? = 0 && enable libfaad2
    else
D
Diego Biurrun 已提交
2319
        die "FAAD test failed."
2320 2321 2322 2323
    fi
fi


2324
die_license_disabled() {
2325
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2326 2327 2328 2329 2330 2331 2332 2333
}

die_license_disabled gpl libfaad2
die_license_disabled gpl libx264
die_license_disabled gpl libxvid
die_license_disabled gpl postproc
die_license_disabled gpl x11grab

2334
die_license_disabled nonfree libfaac
2335

2336 2337 2338
die_license_disabled version3 libopencore_amrnb
die_license_disabled version3 libopencore_amrwb

2339
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2340

2341
check_deps $ARCH_EXT_LIST
2342

2343
disabled optimizations || check_cflags -fomit-frame-pointer
2344

2345 2346
enable_pic() {
    enable pic
2347 2348 2349
    add_cppflags -DPIC
    add_cflags   -fPIC
    add_asflags  -fPIC
2350 2351 2352
}

enabled pic && enable_pic
2353

2354 2355 2356
check_cc <<EOF || die "Symbol mangling check failed."
int ff_extern;
EOF
2357
sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2358 2359
extern_prefix=${sym%%ff_extern*}

2360 2361 2362
check_cc <<EOF && enable inline_asm
void foo(void) { __asm__ volatile ("" ::); }
EOF
M
Måns Rullgård 已提交
2363

2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374
_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

2375 2376 2377 2378
check_cc <<EOF && enable attribute_may_alias
union { int x; } __attribute__((may_alias)) x;
EOF

2379 2380 2381
check_cc <<EOF || die "endian test failed"
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
EOF
M
Måns Rullgård 已提交
2382
od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2383

2384 2385 2386 2387 2388
if enabled alpha; then

    check_cflags -mieee

elif enabled arm; then
2389

2390 2391
    check_cflags -marm

2392 2393 2394 2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 2405
    check_ld <<EOF && enable vfp_args
__asm__ (".eabi_attribute 28, 1");
int main(void) { return 0; }
EOF

    # We have to check if pld is a nop and disable it.
    check_asm pld '"pld [r0]"'

    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 iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
    enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2406

2407 2408
    enabled_all armv6t2 shared !pic && enable_pic

2409 2410 2411 2412 2413
elif enabled ia64; then

    # HACK: currently fails to build if .bss is > 4MB and shared libs are built
    enabled shared && enable_weak hardcoded_tables

2414
elif enabled mips; then
2415

2416 2417
    check_asm loongson '"dmult.g $1, $2, $3"'
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2418

2419
elif enabled ppc; then
2420

2421 2422
    enable local_aligned_8 local_aligned_16

2423 2424
    check_asm dcbzl     '"dcbzl 0, 1"'
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2425
    check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448

    # AltiVec flags: The FSF version of GCC differs from the Apple version
    if enabled altivec; then
        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
2449

2450
elif enabled sparc; then
2451

2452 2453
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2454

2455
elif enabled x86; then
2456

2457 2458
    enable local_aligned_8 local_aligned_16

2459 2460 2461 2462
    # 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.
2463
    check_exec_crash <<EOF && enable ebp_available
2464
    volatile int i=0;
D
Diego Pettenò 已提交
2465
    __asm__ volatile (
2466 2467 2468 2469 2470
        "xorl %%ebp, %%ebp"
    ::: "%ebp");
    return i;
EOF

R
Reimar Döffinger 已提交
2471
    # check whether EBX is available on x86
M
Måns Rullgård 已提交
2472 2473
    check_asm ebx_available '""::"b"(0)' &&
        check_asm ebx_available '"":::"%ebx"'
2474

2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486
    # check whether more than 10 operands are supported
    check_cc <<EOF && enable ten_operands
int main(void) {
    int x=0;
    __asm__ volatile(
        ""
        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
    );
    return 0;
}
EOF

2487
    # check whether binutils is new enough to compile SSSE3/MMX2
2488
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2489
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2490 2491

    check_asm bswap '"bswap %%eax" ::: "%eax"'
L
Loren Merritt 已提交
2492

2493
    YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
L
Loren Merritt 已提交
2494
    enabled     x86_64        && append YASMFLAGS "-m amd64"
2495
    enabled     pic           && append YASMFLAGS "-DPIC"
2496
    test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
L
Loren Merritt 已提交
2497 2498 2499
    case "$objformat" in
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
    esac
2500
    disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2501

2502 2503 2504 2505 2506 2507
    case "$cpu" in
        athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
            disable fast_clz
        ;;
    esac

2508 2509
fi

2510 2511 2512 2513
if check_func dlopen; then
    ldl=
elif check_func dlopen -ldl; then
    ldl=-ldl
2514 2515
fi

2516 2517 2518
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }

2519
check_func  fork
2520
check_func  getaddrinfo $network_extralibs
2521 2522
check_func  gethrtime
check_func  getrusage
2523
check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2524
check_func  inet_aton $network_extralibs
M
Martin Storsjö 已提交
2525
check_func  isatty
2526
check_func  ${malloc_prefix}memalign            && enable memalign
2527
check_func  mkstemp
2528
check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
M
Måns Rullgård 已提交
2529
check_func  setrlimit
2530
check_func_headers io.h setmode
2531
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2532
check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2533
check_func_headers windows.h GetProcessTimes
2534
check_func_headers windows.h VirtualAlloc
R
Ramiro Polla 已提交
2535

2536
check_header conio.h
2537
check_header dlfcn.h
L
Laurent Aimar 已提交
2538
check_header dxva2api.h
2539
check_header malloc.h
2540
check_header poll.h
2541
check_header sys/mman.h
2542
check_header sys/resource.h
2543
check_header sys/select.h
2544
check_header termios.h
2545 2546
check_header vdpau/vdpau.h
check_header vdpau/vdpau_x11.h
D
Diego Biurrun 已提交
2547
check_header X11/extensions/XvMClib.h
2548

2549 2550
check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex

2551 2552
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
     enabled_any $need_memalign ; then
2553
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2554
fi
2555

2556
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2557
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2558 2559 2560 2561

# check for some common methods of building with pthread support
# do this before the optional library checks as some of them require pthreads
if enabled pthreads; then
M
Måns Rullgård 已提交
2562 2563 2564 2565
    if check_func pthread_create; then
        :
    elif check_func pthread_create -pthread; then
        add_cflags -pthread
2566
        add_extralibs -pthread
M
Måns Rullgård 已提交
2567 2568
    elif check_func pthread_create -pthreads; then
        add_cflags -pthreads
2569
        add_extralibs -pthreads
G
Gianluigi Tiesi 已提交
2570 2571
    elif check_func pthread_create -lpthreadGC2; then
        add_extralibs -lpthreadGC2
M
Måns Rullgård 已提交
2572 2573 2574
    elif ! check_lib pthread.h pthread_create -lpthread; then
        die "ERROR: can't find pthreads library"
    fi
2575 2576
fi

2577
for thread in $THREADS_LIST; do
2578
    if enabled $thread; then
2579 2580
        test -n "$thread_type" &&
            die "ERROR: Only one thread type must be selected." ||
2581 2582 2583 2584
            thread_type="$thread"
    fi
done

M
Måns Rullgård 已提交
2585
check_lib math.h sin -lm
G
Gwenole Beauchesne 已提交
2586
check_lib va/va.h vaInitialize -lva
M
Måns Rullgård 已提交
2587

2588 2589 2590 2591 2592 2593 2594 2595 2596 2597
check_mathfunc exp2
check_mathfunc exp2f
check_mathfunc llrint
check_mathfunc log2
check_mathfunc log2f
check_mathfunc lrint
check_mathfunc lrintf
check_mathfunc round
check_mathfunc roundf
check_mathfunc truncf
2598

2599
# these are off by default, so fail if requested and not available
2600
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2601
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2602 2603
                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2604 2605
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2606
enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
2607
enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2608
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2609 2610
enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
2611
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
D
Diego Biurrun 已提交
2612 2613
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
D
David Conrad 已提交
2614
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2615
enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2616
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
M
Måns Rullgård 已提交
2617
enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 -lm &&
2618 2619
                      { check_cpp_condition x264.h "X264_BUILD >= 83" ||
                        die "ERROR: libx264 version must be >= 0.83."; }
2620
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2621
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2622

2623 2624 2625 2626 2627 2628 2629 2630 2631
# 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

2632
SDL_CONFIG="${cross_prefix}sdl-config"
2633
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2634
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2635
    sdl_libs=$("${SDL_CONFIG}" --libs)
2636 2637 2638 2639
    check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
    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
M
Michael Niedermayer 已提交
2640
fi
2641

2642
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2643

R
Ramiro Polla 已提交
2644
if enabled network; then
2645
    check_type "sys/types.h sys/socket.h" socklen_t
2646
    check_type netdb.h "struct addrinfo"
2647 2648
    check_type netinet/in.h "struct ipv6_mreq"
    check_type netinet/in.h "struct sockaddr_in6"
2649
    check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2650
    check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
R
Ramiro Polla 已提交
2651 2652 2653 2654
    # Prefer arpa/inet.h over winsock2
    if check_header arpa/inet.h ; then
        check_func closesocket
    elif check_header winsock2.h ; then
2655 2656 2657 2658
        check_func_headers winsock2.h closesocket -lws2 && \
            network_extralibs="-lws2" || \
        { check_func_headers winsock2.h closesocket -lws2_32 && \
            network_extralibs="-lws2_32"; }
2659
        check_type ws2tcpip.h socklen_t
2660
        check_type ws2tcpip.h "struct addrinfo"
2661 2662
        check_type ws2tcpip.h "struct ipv6_mreq"
        check_type ws2tcpip.h "struct sockaddr_in6"
2663
        check_type ws2tcpip.h "struct sockaddr_storage"
2664
        check_struct winsock2.h "struct sockaddr" sa_len
2665 2666
    else
        disable network
R
Ramiro Polla 已提交
2667 2668 2669
    fi
fi

2670 2671
check_header linux/videodev.h
check_header linux/videodev2.h
2672
check_header sys/videoio.h
2673

2674
check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
R
Ramiro Polla 已提交
2675

2676
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
R
Indent  
Ramiro Polla 已提交
2677 2678 2679 2680 2681 2682 2683
{ 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
2684

2685 2686
check_header sys/soundcard.h
check_header soundcard.h
M
Måns Rullgård 已提交
2687

2688
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2689

2690
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
O
Olivier Guilyardi 已提交
2691

2692
enabled x11grab                         &&
2693 2694
check_header X11/Xlib.h                 &&
check_header X11/extensions/XShm.h      &&
2695
check_header X11/extensions/Xfixes.h    &&
2696
check_func XOpenDisplay -lX11           &&
R
Roxis 已提交
2697 2698
check_func XShmCreateImage -lX11 -lXext &&
check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2699

2700
if ! disabled vdpau && enabled vdpau_vdpau_h; then
2701 2702
check_cpp_condition \
    vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2703 2704
    { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
      disable vdpau; }
2705
fi
2706

2707
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2708 2709 2710

# add some useful compiler flags if supported
check_cflags -Wdeclaration-after-statement
2711 2712
check_cflags -Wall
check_cflags -Wno-switch
M
Michael Niedermayer 已提交
2713 2714 2715
check_cflags -Wdisabled-optimization
check_cflags -Wpointer-arith
check_cflags -Wredundant-decls
2716
check_cflags -Wno-pointer-sign
2717
check_cflags -Wcast-qual
2718
check_cflags -Wwrite-strings
2719
check_cflags -Wtype-limits
2720
check_cflags -Wundef
2721
check_cflags -Wmissing-prototypes
2722
enabled extra_warnings && check_cflags -Winline
2723

2724
# add some linker flags
2725
check_ldflags -Wl,--warn-common
2726 2727
check_ldflags -Wl,--as-needed
check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
2728
check_ldflags -Wl,-Bsymbolic
F
Fabrice Bellard 已提交
2729

2730 2731 2732 2733
echo "X{};" > $TMPV
test_ldflags -Wl,--version-script,$TMPV &&
    append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'

2734
if enabled small; then
2735
    add_cflags $size_cflags
2736 2737
    optimizations="small"
elif enabled optimizations; then
2738
    add_cflags $speed_cflags
2739
fi
2740
check_cflags -fno-math-errno
2741
check_cflags -fno-signed-zeros
2742

2743
if enabled icc; then
M
Måns Rullgård 已提交
2744 2745 2746 2747 2748 2749
    # Just warnings, no remarks
    check_cflags -w1
    # -wd: Disable following warnings
    # 144, 167, 556: -Wno-pointer-sign
    # 10006: ignoring unknown option -fno-signed-zeros
    # 10156: ignoring option '-W'; no argument required
2750
    check_cflags -wd144,167,556,10006,10156
M
Måns Rullgård 已提交
2751 2752 2753 2754 2755
    # 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
C
Carl Eugen Hoyos 已提交
2756 2757
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
    enable ebp_available
2758 2759 2760 2761 2762 2763 2764 2765
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
M
Måns Rullgård 已提交
2766 2767
elif enabled gcc; then
    check_cflags -fno-tree-vectorize
2768
    check_cflags -Werror=implicit
2769
    check_cflags -Werror=missing-prototypes
D
David Conrad 已提交
2770 2771
elif enabled clang; then
    check_cflags -Qunused-arguments
M
Måns Rullgård 已提交
2772 2773 2774
elif enabled armcc; then
    # 2523: use of inline assembler is deprecated
    add_cflags -Wrvct,--diag_suppress=2523
2775
    add_cflags -Wrvct,--diag_suppress=1207
2776 2777
elif enabled tms470; then
    add_cflags -pds=824 -pds=837
C
Carl Eugen Hoyos 已提交
2778 2779
fi

2780
if enabled gprof; then
2781 2782
    add_cflags  -p
    add_ldflags -p
2783 2784
fi

D
Diego Biurrun 已提交
2785
# Find out if the .align argument is a power of two or not.
2786
check_asm asmalign_pot '".align 3"'
2787

2788 2789
enabled_any $DECODER_LIST      && enable decoders
enabled_any $ENCODER_LIST      && enable encoders
2790
enabled_any $HWACCEL_LIST      && enable hwaccels
2791 2792 2793
enabled_any $BSF_LIST          && enable bsfs
enabled_any $DEMUXER_LIST      && enable demuxers
enabled_any $MUXER_LIST        && enable muxers
2794
enabled_any $FILTER_LIST       && enable filters
2795 2796
enabled_any $INDEV_LIST        && enable indevs
enabled_any $OUTDEV_LIST       && enable outdevs
2797 2798 2799 2800 2801
enabled_any $PROTOCOL_LIST     && enable protocols

enabled_any $THREADS_LIST      && enable threads

check_deps $CONFIG_LIST       \
2802
           $CONFIG_EXTRA      \
2803 2804 2805
           $HAVE_LIST         \
           $DECODER_LIST      \
           $ENCODER_LIST      \
2806
           $HWACCEL_LIST      \
2807 2808 2809 2810
           $PARSER_LIST       \
           $BSF_LIST          \
           $DEMUXER_LIST      \
           $MUXER_LIST        \
2811
           $FILTER_LIST       \
2812 2813 2814
           $INDEV_LIST        \
           $OUTDEV_LIST       \
           $PROTOCOL_LIST     \
2815

2816 2817
enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST

2818
echo "install prefix            $prefix"
D
Diego Biurrun 已提交
2819 2820
echo "source path               $source_path"
echo "C compiler                $cc"
D
Diego Biurrun 已提交
2821
echo ".align is power-of-two    $asmalign_pot"
D
Diego Biurrun 已提交
2822
echo "ARCH                      $arch ($cpu)"
2823 2824
if test "$build_suffix" != ""; then
    echo "build suffix              $build_suffix"
2825
fi
2826 2827 2828
if test "$extra_version" != ""; then
    echo "version string suffix     $extra_version"
fi
M
Måns Rullgård 已提交
2829
echo "big-endian                ${bigendian-no}"
2830
echo "runtime cpu detection     ${runtime_cpudetect-no}"
2831
if enabled x86; then
C
Carl Eugen Hoyos 已提交
2832
    echo "yasm                      ${yasm-no}"
M
Måns Rullgård 已提交
2833
    echo "MMX enabled               ${mmx-no}"
2834
    echo "MMX2 enabled              ${mmx2-no}"
2835
    echo "3DNow! enabled            ${amd3dnow-no}"
2836
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
2837
    echo "SSE enabled               ${sse-no}"
2838
    echo "SSSE3 enabled             ${ssse3-no}"
M
Måns Rullgård 已提交
2839 2840
    echo "CMOV enabled              ${cmov-no}"
    echo "CMOV is fast              ${fast_cmov-no}"
M
Michael Niedermayer 已提交
2841 2842
    echo "EBX available             ${ebx_available-no}"
    echo "EBP available             ${ebp_available-no}"
2843
    echo "10 operands supported     ${ten_operands-no}"
F
Fabrice Bellard 已提交
2844
fi
2845
if enabled arm; then
M
Måns Rullgård 已提交
2846 2847
    echo "ARMv5TE enabled           ${armv5te-no}"
    echo "ARMv6 enabled             ${armv6-no}"
2848
    echo "ARMv6T2 enabled           ${armv6t2-no}"
M
Måns Rullgård 已提交
2849
    echo "ARM VFP enabled           ${armvfp-no}"
M
Måns Rullgård 已提交
2850
    echo "IWMMXT enabled            ${iwmmxt-no}"
2851
    echo "NEON enabled              ${neon-no}"
2852
fi
2853
if enabled mips; then
M
Måns Rullgård 已提交
2854
    echo "MMI enabled               ${mmi-no}"
F
Fabrice Bellard 已提交
2855
fi
2856
if enabled ppc; then
M
Måns Rullgård 已提交
2857
    echo "AltiVec enabled           ${altivec-no}"
2858
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
M
Måns Rullgård 已提交
2859
    echo "dcbzl available           ${dcbzl-no}"
2860 2861 2862 2863
    echo "performance report        ${powerpc_perf-no}"
fi
if enabled sparc; then
    echo "VIS enabled               ${vis-no}"
F
Fabrice Bellard 已提交
2864
fi
M
Måns Rullgård 已提交
2865 2866
echo "gprof enabled             ${gprof-no}"
echo "debug symbols             ${debug-no}"
2867
echo "strip symbols             ${stripping-no}"
2868
echo "optimizations             ${optimizations-no}"
M
Måns Rullgård 已提交
2869 2870
echo "static                    ${static-no}"
echo "shared                    ${shared-no}"
2871
echo "postprocessing support    ${postproc-no}"
2872
echo "new filter support        ${avfilter-no}"
2873
echo "filters using lavformat   ${avfilter_lavf-no}"
M
Måns Rullgård 已提交
2874 2875 2876 2877 2878
echo "network support           ${network-no}"
echo "threading support         ${thread_type-no}"
echo "SDL support               ${sdl-no}"
echo "Sun medialib support      ${mlib-no}"
echo "AVISynth enabled          ${avisynth-no}"
R
Ramiro Polla 已提交
2879
echo "libdc1394 support         ${libdc1394-no}"
2880
echo "libdirac enabled          ${libdirac-no}"
M
Måns Rullgård 已提交
2881 2882
echo "libfaac enabled           ${libfaac-no}"
echo "libfaad enabled           ${libfaad-no}"
2883
echo "libfaad dlopened          ${libfaadbin-no}"
M
Måns Rullgård 已提交
2884 2885 2886
echo "libgsm enabled            ${libgsm-no}"
echo "libmp3lame enabled        ${libmp3lame-no}"
echo "libnut enabled            ${libnut-no}"
2887 2888
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
J
Jai Menon 已提交
2889
echo "libopenjpeg enabled       ${libopenjpeg-no}"
2890
echo "libschroedinger enabled   ${libschroedinger-no}"
D
David Conrad 已提交
2891
echo "libspeex enabled          ${libspeex-no}"
M
Måns Rullgård 已提交
2892 2893
echo "libtheora enabled         ${libtheora-no}"
echo "libvorbis enabled         ${libvorbis-no}"
2894 2895
echo "libx264 enabled           ${libx264-no}"
echo "libxvid enabled           ${libxvid-no}"
M
Måns Rullgård 已提交
2896
echo "zlib enabled              ${zlib-no}"
2897
echo "bzlib enabled             ${bzlib-no}"
2898
echo
F
Fabrice Bellard 已提交
2899

2900
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2901
    echo "Enabled ${type}s:"
2902
    eval list=\$$(toupper $type)_LIST
2903
    for part in $list; do
2904 2905 2906
        enabled $part && echo ${part%_*}
    done | sort | pr -3 -t
    echo
2907 2908
done

2909
license="LGPL version 2.1 or later"
2910
if enabled nonfree; then
2911
    license="nonfree and unredistributable"
2912 2913 2914 2915
elif enabled gplv3; then
    license="GPL version 3 or later"
elif enabled lgplv3; then
    license="LGPL version 3 or later"
2916
elif enabled gpl; then
2917
    license="GPL version 2 or later"
2918 2919 2920
fi

echo "License: $license"
2921

2922 2923
echo "Creating config.mak and config.h..."

2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934 2935 2936 2937 2938 2939 2940 2941 2942 2943 2944 2945 2946 2947 2948 2949 2950 2951 2952 2953
# build tree in object directory if source path is different from current one
if enabled source_path_used; then
    DIRS="
        doc
        libavcodec
        libavcodec/$arch
        libavdevice
        libavfilter
        libavformat
        libavutil
        libavutil/$arch
        libpostproc
        libswscale
        libswscale/$arch
        tests
        tools
    "
    FILES="
        Makefile
        common.mak
        subdir.mak
        doc/texi2pod.pl
        libavcodec/Makefile
        libavdevice/Makefile
        libavfilter/Makefile
        libavformat/Makefile
        libavutil/Makefile
        libpostproc/Makefile
        libswscale/Makefile
    "
2954 2955
    map 'mkdir -p $_' $DIRS;
    map '$ln_s "$source_path/$_" $_' $FILES
2956 2957
fi

2958 2959
enabled stripping || strip="echo skipping strip"

2960 2961 2962 2963 2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 2978 2979 2980
cat > config.mak <<EOF
# Automatically generated by configure - do not modify!
ifndef FFMPEG_CONFIG_MAK
FFMPEG_CONFIG_MAK=1
FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
prefix=$prefix
LIBDIR=\$(DESTDIR)$libdir
SHLIBDIR=\$(DESTDIR)$shlibdir
INCDIR=\$(DESTDIR)$incdir
BINDIR=\$(DESTDIR)$bindir
DATADIR=\$(DESTDIR)$datadir
MANDIR=\$(DESTDIR)$mandir
SRC_PATH="$source_path"
SRC_PATH_BARE=$source_path
BUILD_ROOT="$PWD"
ARCH=$arch
CC=$cc
AS=$as
LD=$ld
DEPCC=$dep_cc
YASM=$yasmexe
2981
YASMDEP=$yasmexe
2982 2983
AR=$ar
RANLIB=$ranlib
M
Måns Rullgård 已提交
2984
CP=cp -p
2985 2986 2987 2988 2989 2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 3004 3005 3006 3007 3008 3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 3019
LN_S=$ln_s
STRIP=$strip
CPPFLAGS=$CPPFLAGS
CFLAGS=$CFLAGS
ASFLAGS=$ASFLAGS
CC_O=$CC_O
LDFLAGS=$LDFLAGS
FFSERVERLDFLAGS=$FFSERVERLDFLAGS
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=$extralibs
M
Måns Rullgård 已提交
3020
INSTALL=install
3021 3022 3023 3024 3025 3026 3027 3028
LIBTARGET=${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=${SLIB_EXTRA_CMD}
SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3029
EOF
L
Luca Barbato 已提交
3030

3031 3032 3033
get_version(){
    name=$1
    file=$source_path/$2
3034 3035
    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3036 3037 3038
    lcname=$(tolower $name)
    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3039 3040
}

3041 3042 3043 3044 3045 3046
get_version LIBSWSCALE  libswscale/swscale.h
get_version LIBPOSTPROC libpostproc/postprocess.h
get_version LIBAVCODEC  libavcodec/avcodec.h
get_version LIBAVDEVICE libavdevice/avdevice.h
get_version LIBAVFORMAT libavformat/avformat.h
get_version LIBAVUTIL   libavutil/avutil.h
3047
get_version LIBAVFILTER libavfilter/avfilter.h
L
Luca Barbato 已提交
3048

3049 3050 3051 3052 3053 3054 3055
enabled asmalign_pot || align_shift="1 <<"

cat > $TMPH <<EOF
/* Automatically generated by configure - do not modify! */
#ifndef FFMPEG_CONFIG_H
#define FFMPEG_CONFIG_H
#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3056
#define FFMPEG_LICENSE "$(c_escape $license)"
3057 3058 3059 3060 3061 3062 3063 3064
#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
#define CC_TYPE "$cc_type"
#define CC_VERSION $cc_version
#define restrict $_restrict
#define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
#define EXTERN_PREFIX "${extern_prefix}"
#define EXTERN_ASM ${extern_prefix}
EOF
3065

3066 3067 3068
test -n "$malloc_prefix" &&
    echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH

3069
if enabled small || disabled optimizations; then
3070
    echo "#undef  av_always_inline"  >> $TMPH
3071 3072 3073
    echo "#define av_always_inline"  >> $TMPH
fi

3074 3075
print_config ARCH_   $TMPH config.mak $ARCH_LIST
print_config HAVE_   $TMPH config.mak $HAVE_LIST
3076
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
3077
                                      $CONFIG_EXTRA      \
3078 3079
                                      $DECODER_LIST      \
                                      $ENCODER_LIST      \
3080
                                      $HWACCEL_LIST      \
3081 3082 3083 3084
                                      $PARSER_LIST       \
                                      $BSF_LIST          \
                                      $DEMUXER_LIST      \
                                      $MUXER_LIST        \
3085
                                      $FILTER_LIST       \
3086 3087 3088
                                      $PROTOCOL_LIST     \
                                      $INDEV_LIST        \
                                      $OUTDEV_LIST       \
3089

3090
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3091
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3092

D
Diego Biurrun 已提交
3093
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3094
cp_if_changed $TMPH config.h
N
Nick Kurshev 已提交
3095

3096 3097 3098 3099 3100 3101 3102 3103 3104 3105 3106 3107
cat > $TMPH <<EOF
/* Generated by ffconf */
#ifndef AVUTIL_AVCONFIG_H
#define AVUTIL_AVCONFIG_H
EOF

print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB

echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH

cp_if_changed $TMPH libavutil/avconfig.h

3108
# build pkg-config files
3109

3110 3111
pkgconfig_generate(){
name=$1
3112
shortname=${name#lib}${build_suffix}
3113 3114 3115 3116
comment=$2
version=$3
libs=$4
requires=$5
3117
cat <<EOF > $name/$name.pc
3118
prefix=$prefix
3119
exec_prefix=\${prefix}
3120
libdir=$libdir
3121
includedir=$incdir
3122

3123 3124 3125
Name: $name
Description: $comment
Version: $version
3126
Requires: $(enabled shared || echo $requires)
3127
Requires.private: $(enabled shared && echo $requires)
3128
Conflicts:
3129
Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3130
Libs.private: $(enabled shared && echo $libs)
3131
Cflags: -I\${includedir}
3132
EOF
3133
cat <<EOF > $name/$name-uninstalled.pc
3134 3135
prefix=
exec_prefix=
3136
libdir=\${pcfiledir}
3137
includedir=${source_path}
3138

3139 3140 3141 3142
Name: $name
Description: $comment
Version: $version
Requires: $requires
3143
Conflicts:
3144
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3145 3146
Cflags: -I\${includedir}
EOF
3147
}
3148

3149
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3150 3151 3152
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3153
enabled avfilter &&
3154
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3155
enabled postproc &&
3156
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
D
Diego Biurrun 已提交
3157
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"