configure 85.3 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
  --disable-ffserver       disable ffserver build
  --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
  --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

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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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();
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int main(void){ $func(); }
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EOF
}

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

684 685 686 687
check_cpp_condition(){
    log check_cpp_condition "$@"
    header=$1
    condition=$2
688 689
    shift 2
    check_cpp $($filter_cppflags "$@") <<EOF
690 691 692 693 694 695 696
#include <$header>
#if !($condition)
#error "unsatisfied condition: $condition"
#endif
EOF
}

697 698 699 700 701
check_lib(){
    log check_lib "$@"
    header="$1"
    func="$2"
    shift 2
702 703 704 705 706
    temp_extralibs "$@"
    check_header $header && check_func $func && add_extralibs "$@"
    err=$?
    restore_flags
    return $err
707 708
}

709 710 711 712 713
check_lib2(){
    log check_lib2 "$@"
    headers="$1"
    func="$2"
    shift 2
M
Måns Rullgård 已提交
714
    check_func_headers "$headers" $func "$@" && add_extralibs "$@"
715 716
}

717
check_exec(){
718
    check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
719 720
}

721
check_exec_crash(){
722
    code=$(cat)
723 724 725 726 727 728 729

    # 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.

730
    (check_exec "$@") >> $logfile 2>&1 <<EOF
731 732 733 734
#include <signal.h>
static void sighandler(int sig){
    raise(SIGTERM);
}
D
Diego Biurrun 已提交
735
int main(void){
736 737 738 739 740 741 742 743 744 745 746
    signal(SIGILL, sighandler);
    signal(SIGFPE, sighandler);
    signal(SIGSEGV, sighandler);
#ifdef SIGBUS
    signal(SIGBUS, sighandler);
#endif
    { $code }
}
EOF
}

747 748 749 750 751
check_type(){
    log check_type "$@"
    headers=$1
    type=$2
    shift 2
752
    disable_safe "$type"
753 754 755 756 757
    incs=""
    for hdr in $headers; do
        incs="$incs
#include <$hdr>"
    done
758
    check_cc "$@" <<EOF && enable_safe "$type"
759 760 761 762 763
$incs
$type v;
EOF
}

764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781
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
}

782 783 784 785 786 787
require(){
    name="$1"
    header="$2"
    func="$3"
    shift 3
    check_lib $header $func "$@" || die "ERROR: $name not found"
788 789
}

790 791 792 793 794 795 796 797
require2(){
    name="$1"
    headers="$2"
    func="$3"
    shift 3
    check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
}

798 799 800 801 802 803 804 805 806 807
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
808 809
        temp_cflags $(${pkg}-config --cflags)
        temp_extralibs $(${pkg}-config --libs)
810 811 812 813 814
        check_lib "$@" $header $func && enable $cfg
    fi
    return $err
}

815 816 817 818 819 820 821 822 823 824 825 826 827 828
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
}

829 830 831 832 833 834
apply(){
    file=$1
    shift
    "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
}

835 836 837 838 839 840
cp_if_changed(){
    cmp -s "$1" "$2" &&
        echo "$2 is unchanged" ||
        cp -f "$1" "$2"
}

841 842 843
# CONFIG_LIST contains configurable options, while HAVE_LIST is for
# system-dependent things.

844 845 846 847 848
COMPONENT_LIST="
    bsfs
    decoders
    demuxers
    encoders
V
Vitor Sessak 已提交
849
    filters
850
    hwaccels
851
    indevs
852
    muxers
853
    outdevs
854 855 856 857 858 859
    parsers
    protocols
"

CONFIG_LIST="
    $COMPONENT_LIST
860
    aandct
861 862
    avfilter
    avfilter_lavf
863 864
    avisynth
    beos_netserver
865
    bzlib
866
    dct
867
    doc
L
Laurent Aimar 已提交
868
    dxva2
869
    fastdiv
870 871 872
    ffmpeg
    ffplay
    ffserver
873
    fft
874
    golomb
875
    gpl
876
    gprof
877
    gray
A
Aurelien Jacobs 已提交
878
    hardcoded_tables
R
Ramiro Polla 已提交
879
    libdc1394
880
    libdirac
881 882 883
    libfaac
    libfaad
    libfaadbin
884
    libgsm
885
    libmp3lame
886
    libnut
887 888
    libopencore_amrnb
    libopencore_amrwb
J
Jai Menon 已提交
889
    libopenjpeg
890
    libschroedinger
D
David Conrad 已提交
891
    libspeex
D
Diego Biurrun 已提交
892
    libtheora
893
    libvorbis
894 895
    libx264
    libxvid
896
    lpc
897
    mdct
898
    memalign_hack
899
    mlib
900 901
    mpegaudio_hp
    network
902
    nonfree
903
    pic
904
    postproc
905
    powerpc_perf
906
    rdft
907
    runtime_cpudetect
908
    shared
909
    small
910
    static
911
    swscale_alpha
912 913
    vaapi
    vdpau
914
    version3
915
    x11grab
916
    zlib
917
"
918

919 920
THREADS_LIST='
    beosthreads
D
Dave Yeo 已提交
921
    os2threads
922 923 924 925
    pthreads
    w32threads
'

926 927
ARCH_LIST='
    alpha
M
Måns Rullgård 已提交
928
    arm
929 930 931
    avr32
    avr32_ap
    avr32_uc
932 933 934 935
    bfin
    ia64
    m68k
    mips
936
    mips64
937
    parisc
938
    ppc
939
    ppc64
940 941 942 943 944 945 946 947 948 949
    s390
    sh4
    sparc
    sparc64
    x86
    x86_32
    x86_64
'

ARCH_EXT_LIST='
950
    altivec
951
    amd3dnow
952
    amd3dnowext
953
    armv5te
954
    armv6
955
    armv6t2
M
Måns Rullgård 已提交
956
    armvfp
957 958 959
    iwmmxt
    mmi
    mmx
960
    mmx2
961
    neon
962
    ppc4xx
963
    sse
964
    ssse3
965
    vis
966 967
'

968 969 970 971
HAVE_LIST_PUB='
    bigendian
'

972 973
HAVE_LIST="
    $ARCH_EXT_LIST
974
    $HAVE_LIST_PUB
975
    $THREADS_LIST
976
    alsa_asoundlib_h
977
    altivec_h
978
    arpa_inet_h
979
    attribute_packed
980
    bswap
A
Alex Beregszaszi 已提交
981
    closesocket
982
    cmov
983
    conio_h
984
    dcbzl
985 986 987 988 989
    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
990
    dlfcn_h
991
    dlopen
992
    dos_paths
993 994
    ebp_available
    ebx_available
995 996
    exp2
    exp2f
997
    fast_64bit
998
    fast_clz
999
    fast_cmov
1000
    fast_unaligned
M
Måns Rullgård 已提交
1001
    fork
1002
    getaddrinfo
1003
    gethrtime
1004
    GetProcessTimes
R
Ramiro Polla 已提交
1005
    getrusage
M
Måns Rullgård 已提交
1006
    inet_aton
M
Måns Rullgård 已提交
1007
    inline_asm
M
Martin Storsjö 已提交
1008
    isatty
M
Måns Rullgård 已提交
1009
    ldbrx
1010 1011
    libdc1394_1
    libdc1394_2
1012
    llrint
1013
    log2
1014
    log2f
1015
    loongson
1016
    lrint
1017
    lrintf
1018
    lzo1x_999_compress
1019 1020
    machine_ioctl_bt848_h
    machine_ioctl_meteor_h
1021 1022
    malloc_h
    memalign
R
Ramiro Polla 已提交
1023
    mkstemp
1024
    pld
1025
    posix_memalign
1026 1027
    round
    roundf
1028 1029
    sdl
    sdl_video_size
1030
    setmode
1031
    socklen_t
M
Måns Rullgård 已提交
1032
    soundcard_h
1033
    poll_h
1034
    struct_addrinfo
1035 1036
    struct_ipv6_mreq
    struct_sockaddr_in6
1037
    struct_sockaddr_sa_len
1038
    struct_sockaddr_storage
1039
    sys_mman_h
1040
    sys_resource_h
1041
    sys_select_h
M
Måns Rullgård 已提交
1042
    sys_soundcard_h
1043
    sys_videoio_h
1044
    ten_operands
1045
    termios_h
1046
    threads
1047
    truncf
1048
    vfp_args
1049
    VirtualAlloc
1050
    winsock2_h
1051
    xform_asm
L
Loren Merritt 已提交
1052
    yasm
1053
"
1054

1055 1056
# options emitted with CONFIG_ prefix but not available on command line
CONFIG_EXTRA="
1057 1058
    gplv3
    lgplv3
1059 1060
"

1061
CMDLINE_SELECT="
1062
    $ARCH_EXT_LIST
1063
    $CONFIG_LIST
1064
    $THREADS_LIST
1065
    asm
1066
    cross_compile
1067 1068
    debug
    extra_warnings
1069
    logging
1070
    optimizations
1071
    stripping
1072
    yasm
1073
"
1074 1075

PATHS_LIST='
1076
    bindir
1077
    datadir
1078 1079 1080 1081 1082
    incdir
    libdir
    mandir
    prefix
    shlibdir
1083 1084 1085 1086 1087
'

CMDLINE_SET="
    $PATHS_LIST
    arch
1088
    as
1089 1090 1091 1092
    build_suffix
    cc
    cpu
    cross_prefix
1093
    dep_cc
1094
    extra_version
1095 1096 1097 1098
    host_cc
    host_cflags
    host_ldflags
    host_libs
1099
    host_os
1100
    ld
1101
    logfile
1102
    nm
1103
    source_path
1104 1105
    sysinclude
    sysroot
1106
    target_exec
1107
    target_os
1108
    target_path
1109
"
1110

1111 1112 1113 1114
CMDLINE_APPEND="
    extra_cflags
"

D
Diego Biurrun 已提交
1115 1116
# code dependency declarations

1117
# architecture extensions
1118

M
Måns Rullgård 已提交
1119 1120
armv5te_deps="arm"
armv6_deps="arm"
1121
armv6t2_deps="arm"
M
Måns Rullgård 已提交
1122 1123
armvfp_deps="arm"
iwmmxt_deps="arm"
1124 1125
neon_deps="arm"

1126
mmi_deps="mips"
1127 1128 1129 1130 1131 1132

altivec_deps="ppc"
ppc4xx_deps="ppc"

vis_deps="sparc"

1133
x86_64_select="cmov fast_cmov"
1134 1135
amd3dnow_deps="mmx"
amd3dnowext_deps="amd3dnow"
1136
mmx_deps="x86"
1137 1138 1139
mmx2_deps="mmx"
sse_deps="mmx"
ssse3_deps="sse"
1140

1141
fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1142
fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1143
fast_unaligned_if_any="armv6 ppc x86"
1144

1145
need_memalign="altivec neon sse"
1146
inline_asm_deps="!tms470"
1147

1148
# decoders / encoders / hardware accelerators
1149
aac_decoder_select="fft mdct aac_parser"
1150
aac_encoder_select="fft mdct"
1151
ac3_decoder_select="fft mdct ac3_parser"
1152
alac_encoder_select="lpc"
1153
atrac3_decoder_select="fft mdct"
1154
cavs_decoder_select="golomb"
1155
cook_decoder_select="fft mdct"
1156
cscd_decoder_suggest="zlib"
1157
dca_decoder_select="fft mdct"
1158
dnxhd_encoder_select="aandct"
1159
dxa_decoder_select="zlib"
1160
eac3_decoder_select="ac3_decoder"
1161
eamad_decoder_select="aandct"
1162
eatgq_decoder_select="aandct"
A
Aurelien Jacobs 已提交
1163
eatqi_decoder_select="aandct"
1164 1165
ffv1_decoder_select="golomb"
flac_decoder_select="golomb"
1166
flac_encoder_select="golomb lpc"
1167 1168
flashsv_decoder_select="zlib"
flashsv_encoder_select="zlib"
1169
flv_decoder_select="h263_decoder"
1170
flv_encoder_select="h263_encoder"
1171
h261_encoder_select="aandct"
1172
h263_decoder_select="h263_parser"
1173
h263_encoder_select="aandct"
G
Gwenole Beauchesne 已提交
1174
h263_vaapi_hwaccel_deps="va_va_h"
1175
h263_vaapi_hwaccel_select="vaapi h263_decoder"
1176
h263i_decoder_select="h263_decoder"
1177
h263p_encoder_select="h263_encoder"
1178
h264_decoder_select="golomb"
L
Laurent Aimar 已提交
1179 1180
h264_dxva2_hwaccel_deps="dxva2api_h"
h264_dxva2_hwaccel_select="dxva2 h264_decoder"
G
Gwenole Beauchesne 已提交
1181
h264_vaapi_hwaccel_deps="va_va_h"
1182
h264_vaapi_hwaccel_select="vaapi"
1183
h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1184
h264_vdpau_decoder_select="vdpau h264_decoder"
1185
imc_decoder_select="fft mdct"
1186 1187
jpegls_decoder_select="golomb"
jpegls_encoder_select="golomb"
1188
ljpeg_encoder_select="aandct"
1189
loco_decoder_select="golomb"
1190
mjpeg_encoder_select="aandct"
1191
mlp_decoder_select="mlp_parser"
1192 1193
mpeg1video_encoder_select="aandct"
mpeg2video_encoder_select="aandct"
1194
mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1195
mpeg4_encoder_select="h263_encoder"
1196
mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1197
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1198
mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1199
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
G
Gwenole Beauchesne 已提交
1200
mpeg2_vaapi_hwaccel_deps="va_va_h"
1201
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
G
Gwenole Beauchesne 已提交
1202
mpeg4_vaapi_hwaccel_deps="va_va_h"
1203
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1204 1205
mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1206
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1207
mpeg_xvmc_decoder_select="mpegvideo_decoder"
1208
msmpeg4v1_decoder_select="h263_decoder"
1209
msmpeg4v1_encoder_select="h263_encoder"
1210
msmpeg4v2_decoder_select="h263_decoder"
1211
msmpeg4v2_encoder_select="h263_encoder"
1212
msmpeg4v3_decoder_select="h263_decoder"
1213
msmpeg4v3_encoder_select="h263_encoder"
1214 1215
nellymoser_decoder_select="fft mdct"
nellymoser_encoder_select="fft mdct"
1216 1217
png_decoder_select="zlib"
png_encoder_select="zlib"
1218
qdm2_decoder_select="fft mdct rdft"
1219
rv10_decoder_select="h263_decoder"
1220
rv10_encoder_select="h263_encoder"
1221
rv20_decoder_select="h263_decoder"
1222
rv20_encoder_select="h263_encoder"
A
Aurelien Jacobs 已提交
1223 1224
rv30_decoder_select="golomb"
rv40_decoder_select="golomb"
1225 1226 1227 1228 1229
shorten_decoder_select="golomb"
sonic_decoder_select="golomb"
sonic_encoder_select="golomb"
sonic_ls_encoder_select="golomb"
svq3_decoder_select="golomb"
B
Baptiste Coudurier 已提交
1230
svq3_decoder_suggest="zlib"
1231
theora_decoder_select="vp3_decoder"
1232 1233
tiff_decoder_suggest="zlib"
tiff_encoder_suggest="zlib"
1234
truehd_decoder_select="mlp_decoder"
1235
tscc_decoder_select="zlib"
1236
vc1_decoder_select="h263_decoder"
G
Gwenole Beauchesne 已提交
1237
vc1_vaapi_hwaccel_deps="va_va_h"
1238
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1239
vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1240
vc1_vdpau_decoder_select="vdpau vc1_decoder"
1241 1242
vorbis_decoder_select="fft mdct"
vorbis_encoder_select="fft mdct"
1243 1244
vp6a_decoder_select="vp6_decoder"
vp6f_decoder_select="vp6_decoder"
1245 1246 1247 1248
wmav1_decoder_select="fft mdct"
wmav1_encoder_select="fft mdct"
wmav2_decoder_select="fft mdct"
wmav2_encoder_select="fft mdct"
1249
wmv1_decoder_select="h263_decoder"
1250
wmv1_encoder_select="h263_encoder"
1251
wmv2_decoder_select="h263_decoder"
1252
wmv2_encoder_select="h263_encoder"
1253 1254 1255
wmv3_decoder_select="vc1_decoder"
wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1256 1257 1258 1259
zlib_decoder_select="zlib"
zlib_encoder_select="zlib"
zmbv_decoder_select="zlib"
zmbv_encoder_select="zlib"
1260

1261 1262 1263
# parsers
h264_parser_select="golomb"

1264 1265 1266
# bitstream_filters
aac_adtstoasc_bsf_select="aac_parser"

D
Diego Biurrun 已提交
1267
# external libraries
1268
libdirac_decoder_deps="libdirac !libschroedinger"
1269
libdirac_encoder_deps="libdirac"
1270
libfaac_encoder_deps="libfaac"
1271
libfaad_decoder_deps="libfaad"
1272
libfaadbin_decoder_extralibs='$ldl'
1273 1274
libgsm_decoder_deps="libgsm"
libgsm_encoder_deps="libgsm"
1275 1276
libgsm_ms_decoder_deps="libgsm"
libgsm_ms_encoder_deps="libgsm"
1277
libmp3lame_encoder_deps="libmp3lame"
1278 1279 1280
libopencore_amrnb_decoder_deps="libopencore_amrnb"
libopencore_amrnb_encoder_deps="libopencore_amrnb"
libopencore_amrwb_decoder_deps="libopencore_amrwb"
J
Jai Menon 已提交
1281
libopenjpeg_decoder_deps="libopenjpeg"
1282 1283
libschroedinger_decoder_deps="libschroedinger"
libschroedinger_encoder_deps="libschroedinger"
D
David Conrad 已提交
1284
libspeex_decoder_deps="libspeex"
D
Diego Biurrun 已提交
1285
libtheora_encoder_deps="libtheora"
1286
libvorbis_encoder_deps="libvorbis"
1287 1288
libx264_encoder_deps="libx264"
libxvid_encoder_deps="libxvid"
1289

D
Diego Biurrun 已提交
1290
# demuxers / muxers
1291
ac3_demuxer_deps="ac3_parser"
1292
asf_stream_muxer_select="asf_muxer"
1293 1294
avisynth_demuxer_deps="avisynth"
dirac_demuxer_deps="dirac_parser"
1295
eac3_demuxer_select="ac3_parser"
1296
ipod_muxer_select="mov_muxer"
1297 1298
libnut_demuxer_deps="libnut"
libnut_muxer_deps="libnut"
1299
matroska_audio_muxer_select="matroska_muxer"
1300 1301 1302
matroska_demuxer_suggest="zlib bzlib"
mov_demuxer_suggest="zlib"
mp3_demuxer_deps="mpegaudio_parser"
1303 1304 1305
mp4_muxer_select="mov_muxer"
mpegtsraw_demuxer_select="mpegts_demuxer"
mxf_d10_muxer_select="mxf_muxer"
D
David Conrad 已提交
1306
ogg_demuxer_select="golomb"
1307
psp_muxer_select="mov_muxer"
1308 1309
rtsp_demuxer_deps="sdp_demuxer"
sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1310
spdif_muxer_select="aac_parser"
1311 1312
tg2_muxer_select="mov_muxer"
tgp_muxer_select="mov_muxer"
1313
w64_demuxer_deps="wav_demuxer"
1314 1315

# indevs / outdevs
1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335
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"
vfwcap_indev_extralibs="-lvfw32"
x11_grab_device_indev_deps="x11grab XShmCreateImage"
R
Roxis 已提交
1336
x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1337

D
Diego Biurrun 已提交
1338
# protocols
1339
gopher_protocol_deps="network"
1340
http_protocol_deps="network"
M
Måns Rullgård 已提交
1341
rtmp_protocol_deps="tcp_protocol"
1342 1343 1344 1345
rtp_protocol_deps="udp_protocol"
tcp_protocol_deps="network"
udp_protocol_deps="network"

1346
# filters
1347
movie_filter_deps="avfilter_lavf"
1348

D
Diego Biurrun 已提交
1349
# programs
M
Måns Rullgård 已提交
1350
ffplay_deps="sdl"
1351
ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
1352
ffserver_extralibs='$ldl'
M
Måns Rullgård 已提交
1353

1354
doc_deps="texi2html"
D
Diego Biurrun 已提交
1355

F
Fabrice Bellard 已提交
1356
# default parameters
1357

1358
logfile="config.err"
1359 1360

# installation paths
1361 1362
prefix_default="/usr/local"
bindir_default='${prefix}/bin'
1363
datadir_default='${prefix}/share/ffmpeg'
1364 1365 1366 1367
incdir_default='${prefix}/include'
libdir_default='${prefix}/lib'
mandir_default='${prefix}/share/man'
shlibdir_default="$libdir_default"
1368 1369

# toolchain
D
Diego Biurrun 已提交
1370
ar="ar"
1371
cc_default="gcc"
1372
cc_version=\"unknown\"
1373
host_cc_default="gcc"
D
Diego Biurrun 已提交
1374
ln_s="ln -sf"
1375
nm_default="nm"
D
Diego Biurrun 已提交
1376
objformat="elf"
M
Michael Niedermayer 已提交
1377
ranlib="ranlib"
1378
strip="strip"
D
Diego Biurrun 已提交
1379
yasmexe="yasm"
1380

1381 1382
nm_opts='-g'

1383
# machine
1384
arch=$(uname -m)
1385
cpu="generic"
1386 1387

# OS
1388
target_os=$(tolower $(uname -s))
1389
host_os=$target_os
1390 1391

# configurable options
1392
enable asm
1393
enable debug
1394
enable doc
1395
enable fastdiv
1396 1397 1398 1399 1400
enable ffmpeg
enable ffplay
enable ffserver
enable mpegaudio_hp
enable network
1401
enable optimizations
1402
enable protocols
D
Diego Biurrun 已提交
1403
enable static
1404
enable stripping
1405
enable swscale_alpha
1406 1407

# build settings
M
Måns Rullgård 已提交
1408
SHFLAGS='-shared -Wl,-soname,$$(@F)'
1409
FFSERVERLDFLAGS=-Wl,-E
1410 1411
LIBPREF="lib"
LIBSUF=".a"
1412 1413
FULLNAME='$(NAME)$(BUILDSUF)'
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1414 1415
SLIBPREF="lib"
SLIBSUF=".so"
1416
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1417 1418
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1419
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1420

1421 1422
CC_O='-o $@'

1423
host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1424 1425
host_libs='-lm'

1426 1427
target_path='.'

1428 1429
# 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.
1430
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1431
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1432

1433
# find source path
1434
source_path="$(dirname "$0")"
1435
enable source_path_used
1436
if test -f configure; then
1437
    source_path="$(pwd)"
1438
    disable source_path_used
1439
else
1440
    source_path="$(cd "$source_path"; pwd)"
1441
    echo "$source_path" | grep -q '[[:blank:]]' &&
1442
        die "Out of tree builds are impossible with whitespace in source path."
1443 1444
    test -e "$source_path/config.h" &&
        die "Out of tree builds are impossible with config.h in source dir."
1445 1446
fi

1447
for v in "$@"; do
1448 1449 1450
    r=${v#*=}
    l=${v%"$r"}
    r=$(sh_quote "$r")
1451 1452
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
done
1453

1454 1455 1456 1457
find_things(){
    thing=$1
    pattern=$2
    file=$source_path/$3
M
Måns Rullgård 已提交
1458
    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1459 1460 1461 1462
}

ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1463
HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1464 1465 1466 1467
PARSER_LIST=$(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=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1468 1469
OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1470
PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1471
FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1472

1473 1474 1475
enable $ARCH_EXT_LIST \
       $DECODER_LIST \
       $ENCODER_LIST \
1476
       $HWACCEL_LIST \
1477 1478 1479 1480
       $PARSER_LIST \
       $BSF_LIST \
       $DEMUXER_LIST \
       $MUXER_LIST \
1481
       $FILTER_LIST \
1482 1483 1484
       $PROTOCOL_LIST \
       $INDEV_LIST \
       $OUTDEV_LIST \
1485 1486 1487 1488 1489 1490 1491

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

1492
show_list() {
R
Ramiro Polla 已提交
1493 1494
    suffix=_$1
    shift
1495
    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1496 1497 1498
    exit 0
}

1499
for opt do
1500 1501
    optval="${opt#*=}"
    case "$opt" in
1502
    --extra-ldflags=*) add_ldflags $optval
1503
    ;;
1504
    --extra-libs=*) add_extralibs $optval
1505
    ;;
D
Diego Biurrun 已提交
1506
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1507
    ;;
1508 1509
    --enable-debug=*) debuglevel="$optval"
    ;;
1510
    --enable-*=*|--disable-*=*)
1511
    eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1512 1513
    is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
    eval list=\$$(toupper $thing)_LIST
1514 1515
    name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
    $action $(filter "$name" $list)
1516 1517
    ;;
    --enable-?*|--disable-?*)
1518
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1519
    if is_in $option $COMPONENT_LIST; then
1520
        test $action = disable && action=unset
1521 1522 1523 1524 1525 1526
        eval $action \$$(toupper ${option%s})_LIST
    elif is_in $option $CMDLINE_SELECT; then
        $action $option
    else
        die_unknown $opt
    fi
1527 1528 1529 1530 1531 1532 1533 1534 1535 1536
    ;;
    --list-*)
        NAME="${opt#--list-}"
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
        NAME=${NAME%s}
        eval show_list $NAME \$$(toupper $NAME)_LIST
    ;;
    --help|-h) show_help
    ;;
    *)
1537
    optname="${opt%%=*}"
1538 1539
    optname="${optname#--}"
    optname=$(echo "$optname" | sed 's/-/_/g')
1540 1541 1542 1543 1544 1545 1546
    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
1547 1548
    ;;
    esac
1549 1550
done

M
Måns Rullgård 已提交
1551 1552
disabled logging && logfile=/dev/null

1553
echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
M
Måns Rullgård 已提交
1554 1555
set >> $logfile

1556 1557
test -n "$cross_prefix" && enable cross_compile

1558
ar="${cross_prefix}${ar}"
D
Diego Biurrun 已提交
1559
cc_default="${cross_prefix}${cc_default}"
M
Måns Rullgård 已提交
1560
nm_default="${cross_prefix}${nm_default}"
1561 1562 1563
ranlib="${cross_prefix}${ranlib}"
strip="${cross_prefix}${strip}"

1564 1565
sysinclude_default="${sysroot}/usr/include"

1566
set_default cc nm sysinclude
1567 1568
enabled cross_compile || host_cc_default=$cc
set_default host_cc
1569

1570 1571 1572 1573 1574 1575 1576 1577
exesuf() {
    case $1 in
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
    esac
}

EXESUF=$(exesuf $target_os)
HOSTEXESUF=$(exesuf $host_os)
1578

1579
# set temporary file name
1580
: ${TMPDIR:=$TEMPDIR}
1581
: ${TMPDIR:=$TMP}
1582
: ${TMPDIR:=/tmp}
1583

1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594
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 ||
1595
        die "Unable to create temporary file in $TMPDIR."
1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607
    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
1608
tmpfile TMPV  .ver
1609 1610 1611
tmpfile TMPSH .sh

unset -f mktemp
1612

1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625
# 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

1626 1627 1628 1629
filter_cflags=echo
filter_cppflags=echo
filter_asflags=echo

1630
if   $cc -v 2>&1 | grep -qi ^gcc; then
1631
    cc_type=gcc
1632
    cc_version=__VERSION__
1633 1634 1635 1636
    if ! $cc -dumpversion | grep -q '^2\.'; then
        CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
        AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
    fi
1637 1638
elif $cc --version 2>/dev/null | grep -q Intel; then
    cc_type=icc
1639
    cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1640 1641
    CC_DEPFLAGS='-MMD'
    AS_DEPFLAGS='-MMD'
1642 1643
elif $cc -v 2>&1 | grep -q xlc; then
    cc_type=xlc
1644
    cc_version="AV_STRINGIFY(__IBMC__)"
1645 1646
elif $cc -V 2>/dev/null | grep -q Compaq; then
    cc_type=ccc
1647
    cc_version="AV_STRINGIFY(__DECC_VER)"
1648
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1649
    debuglevel=3
1650
    add_ldflags -Wl,-z,now # calls to libots crash without this
M
Måns Rullgård 已提交
1651
elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1652 1653
    test -d "$sysroot" || die "No valid sysroot specified."
    cc_type=armcc
1654
    cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1655 1656 1657 1658 1659 1660 1661
    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=$armcc_conf --translate_gcc"
1662
    as_default="${cross_prefix}gcc"
1663 1664
    CC_DEPFLAGS='-MMD'
    AS_DEPFLAGS='-MMD'
1665 1666
elif $cc -version 2>/dev/null | grep -q TMS470; then
    cc_type=tms470
1667
    cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1668 1669 1670 1671 1672 1673 1674
    cc="$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 $TMPO
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1675 1676
    CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
    AS_DEPFLAGS='-MMD'
1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693
    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        ;;
1694
                -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
1695
                -msoft-float)   echo --float_support=vfplib       ;;
1696 1697 1698
                -Os)            echo -O3 -mf=2                    ;;
                -O[0-3])        echo $flag -mf=5                  ;;
                -g)             echo -g -mn                       ;;
1699
                -pds=*)         echo $flag                        ;;
1700 1701 1702
            esac
        done
    }
D
David Conrad 已提交
1703 1704 1705 1706 1707
elif $cc -v 2>&1 | grep -q clang; then
    cc_type=clang
    cc_version=__VERSION__
    CC_DEPFLAGS='-MMD'
    AS_DEPFLAGS='-MMD'
1708 1709 1710
elif $cc -V 2>&1 | grep -q Sun; then
    cc_type=suncc
    cc_version="AV_STRINGIFY(__SUNPRO_C)"
1711
    DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1712
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
M
Michael Kostylev 已提交
1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747
    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 ;;
                -Os)                  echo -O5 -xspace        ;;
                -W*,*)                echo $flag              ;;
                -f*-*|-W*)                                    ;;
                *)                    echo $flag              ;;
            esac
        done
    }
1748 1749 1750 1751
fi

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

1752
: ${as_default:=$cc}
1753
: ${dep_cc_default:=$cc}
1754
: ${ld_default:=$cc}
1755
set_default as dep_cc ld
1756

1757 1758 1759
test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD

1760
add_cflags $extra_cflags
1761
add_asflags $extra_cflags
1762

M
Måns Rullgård 已提交
1763 1764 1765
if test -n "$sysroot"; then
    case "$cc_type" in
        gcc)
1766
            add_cppflags --sysroot="$sysroot"
M
Måns Rullgård 已提交
1767 1768
            add_ldflags --sysroot="$sysroot"
        ;;
1769 1770 1771 1772
        tms470)
            add_cppflags -I"$sysinclude"
            add_ldflags  --sysroot="$sysroot"
        ;;
D
David Conrad 已提交
1773 1774 1775 1776
        clang)
            add_cppflags -isysroot="$sysroot"
            add_ldflags -isysroot="$sysroot"
        ;;
M
Måns Rullgård 已提交
1777 1778 1779
    esac
fi

1780 1781 1782 1783 1784 1785 1786
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
1787 1788 1789 1790 1791
                sed -n "/$1=/{
                            s/.*$1=\\([^ ]*\\).*/\\1/
                            p
                            q
                        }" $TMPE
1792 1793 1794 1795 1796 1797 1798 1799
            }
            cpu=$(check_native -march || check_native -mcpu)
        ;;
    esac

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

1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841
# Deal with common $arch aliases
case "$arch" in
    arm*)
        arch="arm"
    ;;
    mips|mipsel|IP*)
        arch="mips"
    ;;
    mips64)
        arch="mips"
        subarch="mips64"
    ;;
    parisc|hppa)
        arch="parisc"
    ;;
    parisc64|hppa64)
        arch="parisc"
        subarch="parisc64"
    ;;
    "Power Macintosh"|ppc|powerpc)
        arch="ppc"
    ;;
    ppc64)
        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"
1842
enable $arch
1843

1844
# Add processor-specific flags
1845 1846 1847
if test "$cpu" = generic; then
    : do nothing
elif enabled ppc; then
1848

M
Måns Rullgård 已提交
1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875
    case $cpu in
        601|ppc601|PowerPC601)
            cpuflags="-mcpu=601"
        ;;
        603*|ppc603*|PowerPC603*)
            cpuflags="-mcpu=603"
        ;;
        604*|ppc604*|PowerPC604*)
            cpuflags="-mcpu=604"
        ;;
        G3|g3|75*|ppc75*|PowerPC75*)
            cpuflags="-mcpu=750 -mpowerpc-gfxopt"
        ;;
        G4|g4|745*|ppc745*|PowerPC745*)
            cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
        ;;
        74*|ppc74*|PowerPC74*)
            cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
        ;;
        G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
            cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
        ;;
        Cell|CELL|cell)
            cpuflags="-mcpu=cell"
            enable ldbrx
        ;;
    esac
1876 1877 1878

elif enabled x86; then

M
Måns Rullgård 已提交
1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901
    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
1902 1903 1904

elif enabled sparc; then

M
Måns Rullgård 已提交
1905 1906 1907 1908 1909
    case $cpu in
        sparc64)
            cpuflags="-mcpu=v9"
        ;;
    esac
1910 1911 1912

elif enabled arm; then

1913 1914 1915 1916 1917 1918 1919 1920
    case $cpu in
        armv*)
            cpuflags="-march=$cpu"
        ;;
        *)
            cpuflags="-mcpu=$cpu"
        ;;
    esac
1921 1922 1923

elif enabled alpha; then

1924
    enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
1925 1926 1927

elif enabled bfin; then

1928
    cpuflags="-mcpu=$cpu"
1929 1930 1931

elif enabled mips; then

1932
    cpuflags="-march=$cpu"
1933 1934 1935

elif enabled avr32; then

M
Måns Rullgård 已提交
1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953
    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
1954

1955 1956
fi

1957 1958 1959
add_cflags $cpuflags
add_asflags $cpuflags

1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972
# 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

1973
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
1974
check_cflags -std=c99
1975
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
1976 1977
#include <stdlib.h>
EOF
1978
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
1979 1980
#include <stdlib.h>
EOF
1981

1982 1983
check_host_cflags -std=c99

R
Ramiro Polla 已提交
1984
case "$arch" in
1985
    alpha|ia64|mips|parisc|sparc)
1986
        spic=$shared
R
Ramiro Polla 已提交
1987
    ;;
1988
    x86)
1989
        subarch="x86_32"
1990
        check_cc <<EOF && subarch="x86_64"
1991
        int test[(int)sizeof(char*) - 7];
1992
EOF
1993
        if test "$subarch" = "x86_64"; then
1994
            spic=$shared
1995
        fi
R
Ramiro Polla 已提交
1996 1997 1998
    ;;
esac

1999
enable $subarch
2000
enabled spic && enable pic
2001
check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
R
Ramiro Polla 已提交
2002

2003
# OS specific
2004
case $target_os in
2005
    beos|haiku|zeta)
2006
        prefix_default="$HOME/config"
2007
        # 3 gcc releases known for BeOS, each with ugly bugs
2008
        gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
2009 2010 2011 2012 2013
        case "$gcc_version" in
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
            disable mmx
            ;;
          *20010315*) echo "BeBits gcc"
2014
            add_cflags -fno-expensive-optimizations
2015 2016 2017 2018 2019 2020 2021 2022
            ;;
        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
2023
        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
2024 2025 2026 2027 2028 2029 2030
            network_extralibs="-lbind -lsocket"
        else
            enable beos_netserver
            network_extralibs="-lnet"
        fi ;;
    sunos)
        FFSERVERLDFLAGS=""
M
Måns Rullgård 已提交
2031
        SHFLAGS='-shared -Wl,-h,$$(@F)'
2032
        enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2033
        network_extralibs="-lsocket -lnsl"
2034
        add_cppflags -D__EXTENSIONS__
2035
        nm_opts='-P -g'
2036 2037
        ;;
    netbsd)
M
Måns Rullgård 已提交
2038 2039
        oss_indev_extralibs="-lossaudio"
        oss_outdev_extralibs="-lossaudio"
2040 2041
        ;;
    openbsd)
2042
        enable malloc_aligned
M
Måns Rullgård 已提交
2043 2044 2045 2046
        # 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).
2047
        # Thus explicitly enable PIC here.
2048
        enable pic
2049
        SHFLAGS='-shared'
M
Måns Rullgård 已提交
2050 2051
        oss_indev_extralibs="-lossaudio"
        oss_outdev_extralibs="-lossaudio"
2052
        ;;
2053
    freebsd|dragonfly)
2054
        enable malloc_aligned
2055 2056 2057 2058 2059 2060
        ;;
    bsd/os)
        osextralibs="-lpoll -lgnugetopt"
        strip="strip -d"
        ;;
    darwin)
2061
        enable malloc_aligned
2062
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2063 2064 2065 2066 2067 2068
        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
2069
        objformat="macho"
2070
        enabled x86_64 && objformat="macho64"
2071
        enabled_any pic shared ||
2072
            { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2073 2074
        ;;
    mingw32*)
2075 2076
        # Only WinXP or greater are supported
        add_cflags -D_WIN32_WINNT=0x0501
2077
        if test $target_os = "mingw32ce"; then
2078 2079 2080 2081
            disable network
        else
            target_os=mingw32
        fi
R
Ramiro Polla 已提交
2082
        LIBTARGET=i386
2083
        if enabled x86_64; then
2084
            enable malloc_aligned
R
Ramiro Polla 已提交
2085
            LIBTARGET=x64
2086 2087
        elif enabled arm; then
            LIBTARGET=arm
R
Ramiro Polla 已提交
2088
        fi
2089
        shlibdir_default="$bindir_default"
2090 2091 2092 2093 2094
        disable ffserver
        SLIBPREF=""
        SLIBSUF=".dll"
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2095
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2096
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2097 2098 2099
            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)"'
2100
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2101
        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
2102
        objformat="win32"
2103
        enable dos_paths
2104
        check_cflags -fno-common
2105
        if ! enabled x86_64; then
R
Ramiro Polla 已提交
2106 2107
            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."
2108
            enabled_any avisynth vfwcap_indev &&
R
Ramiro Polla 已提交
2109
                { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
2110
                  die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
R
Ramiro Polla 已提交
2111
            fi
2112 2113
        ;;
    cygwin*)
2114
        target_os=cygwin
2115
        shlibdir_default="$bindir_default"
2116 2117 2118 2119 2120
        SLIBPREF="cyg"
        SLIBSUF=".dll"
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
L
Loren Merritt 已提交
2121
        objformat="win32"
2122
        enable dos_paths
2123
        check_cflags -fno-common
2124
        ;;
M
Michael Kostylev 已提交
2125
    *-dos|freedos|opendos)
2126
        disable ffplay ffserver
M
Michael Kostylev 已提交
2127 2128
        disable $INDEV_LIST $OUTDEV_LIST
        network_extralibs="-lsocket"
2129
        objformat="coff"
2130
        enable dos_paths
M
Michael Kostylev 已提交
2131
        ;;
2132 2133 2134 2135
    linux)
        enable dv1394
        ;;
    irix*)
2136
        target_os=irix
2137 2138
        ranlib="echo ignoring ranlib"
        ;;
D
Dave Yeo 已提交
2139 2140 2141 2142
    os/2*)
        strip="lxlite"
        ln_s="cp -f"
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
M
Måns Rullgård 已提交
2143
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
D
Dave Yeo 已提交
2144
        FFSERVERLDFLAGS=""
2145
        LIBSUF="_s.a"
D
Dave Yeo 已提交
2146 2147 2148 2149
        SLIBPREF=""
        SLIBSUF=".dll"
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
M
Måns Rullgård 已提交
2150 2151 2152 2153 2154 2155 2156 2157 2158
        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
2159
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2160
        enable dos_paths
D
Dave Yeo 已提交
2161
        ;;
2162 2163
    gnu/kfreebsd)
        ;;
2164 2165
    gnu)
        ;;
D
Dave Yeo 已提交
2166

2167
    *)
2168
        die "Unknown OS '$target_os'."
2169 2170 2171
        ;;
esac

2172 2173
set_default $PATHS_LIST

2174
add_extralibs $osextralibs
F
Fabrice Bellard 已提交
2175

2176 2177
# Combine FFLDFLAGS and the LDFLAGS environment variable.
LDFLAGS="$FFLDFLAGS $LDFLAGS"
2178

2179
# we need to build at least one lib type
2180
if ! enabled_any static shared; then
2181 2182 2183 2184 2185 2186 2187 2188 2189
    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
2190
disabled static && LIBNAME=""
R
Ramiro Polla 已提交
2191

2192 2193
if enabled_any libfaad libfaadbin ; then
    if check_header faad.h; then
D
Diego Biurrun 已提交
2194
        check_cc <<EOF
2195 2196 2197 2198
#include <faad.h>
#ifndef FAAD2_VERSION
ok faad1
#endif
D
Diego Biurrun 已提交
2199
int main(void) { return 0; }
2200 2201 2202
EOF
        test $? = 0 && enable libfaad2
    else
D
Diego Biurrun 已提交
2203
        die "FAAD test failed."
2204 2205 2206 2207
    fi
fi


2208
die_license_disabled() {
2209
    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2210 2211 2212 2213 2214 2215 2216 2217
}

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

2218
die_license_disabled nonfree libfaac
2219

2220 2221 2222
die_license_disabled version3 libopencore_amrnb
die_license_disabled version3 libopencore_amrwb

2223
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2224

2225
check_deps $ARCH_EXT_LIST
2226

2227
disabled optimizations || check_cflags -fomit-frame-pointer
2228

2229 2230
enable_pic() {
    enable pic
2231 2232 2233
    add_cppflags -DPIC
    add_cflags   -fPIC
    add_asflags  -fPIC
2234 2235 2236
}

enabled pic && enable_pic
2237

2238 2239 2240
check_cc <<EOF || die "Symbol mangling check failed."
int ff_extern;
EOF
2241
sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2242 2243
extern_prefix=${sym%%ff_extern*}

2244 2245 2246
check_cc <<EOF && enable inline_asm
void foo(void) { __asm__ volatile ("" ::); }
EOF
M
Måns Rullgård 已提交
2247

2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261
_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

check_cc <<EOF || die "endian test failed"
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
EOF
M
Måns Rullgård 已提交
2262
od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2263

2264 2265 2266 2267 2268
if enabled alpha; then

    check_cflags -mieee

elif enabled arm; then
2269

2270 2271
    check_cflags -marm

2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285
    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"'
2286

2287 2288
    enabled_all armv6t2 shared !pic && enable_pic

2289 2290 2291 2292 2293
elif enabled ia64; then

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

2294
elif enabled mips; then
2295

2296 2297
    check_asm loongson '"dmult.g $1, $2, $3"'
    enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2298

2299
elif enabled ppc; then
2300

2301 2302
    check_asm dcbzl     '"dcbzl 0, 1"'
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
2303
    check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326

    # 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
2327

2328
elif enabled sparc; then
2329

2330 2331
    enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2332

2333
elif enabled x86; then
2334

2335 2336 2337 2338
    # 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.
2339
    check_exec_crash <<EOF && enable ebp_available
2340
    volatile int i=0;
D
Diego Pettenò 已提交
2341
    __asm__ volatile (
2342 2343 2344 2345 2346
        "xorl %%ebp, %%ebp"
    ::: "%ebp");
    return i;
EOF

R
Reimar Döffinger 已提交
2347
    # check whether EBX is available on x86
M
Måns Rullgård 已提交
2348 2349
    check_asm ebx_available '""::"b"(0)' &&
        check_asm ebx_available '"":::"%ebx"'
2350

2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 2361 2362
    # 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

2363
    # check whether binutils is new enough to compile SSSE3/MMX2
2364
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2365
    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2366 2367

    check_asm bswap '"bswap %%eax" ::: "%eax"'
L
Loren Merritt 已提交
2368

2369
    YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
L
Loren Merritt 已提交
2370
    enabled     x86_64        && append YASMFLAGS "-m amd64"
2371
    enabled     pic           && append YASMFLAGS "-DPIC"
2372
    test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
L
Loren Merritt 已提交
2373 2374 2375
    case "$objformat" in
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
    esac
2376
    disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
2377

2378 2379 2380 2381 2382 2383
    case "$cpu" in
        athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
            disable fast_clz
        ;;
    esac

2384 2385
fi

2386 2387 2388 2389
if check_func dlopen; then
    ldl=
elif check_func dlopen -ldl; then
    ldl=-ldl
2390 2391
fi

2392 2393 2394
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }

2395
check_func  fork
2396
check_func  getaddrinfo $network_extralibs
2397 2398
check_func  gethrtime
check_func  getrusage
2399
check_func  inet_aton $network_extralibs
M
Martin Storsjö 已提交
2400
check_func  isatty
2401 2402
check_func  memalign
check_func  mkstemp
2403
check_func  posix_memalign
2404
check_func_headers io.h setmode
2405
check_func_headers lzo/lzo1x.h lzo1x_999_compress
2406
check_func_headers windows.h GetProcessTimes
2407
check_func_headers windows.h VirtualAlloc
R
Ramiro Polla 已提交
2408

2409
check_header conio.h
2410
check_header dlfcn.h
L
Laurent Aimar 已提交
2411
check_header dxva2api.h
2412
check_header malloc.h
2413
check_header poll.h
2414
check_header sys/mman.h
2415
check_header sys/resource.h
2416
check_header sys/select.h
2417
check_header termios.h
2418 2419
check_header vdpau/vdpau.h
check_header vdpau/vdpau_x11.h
D
Diego Biurrun 已提交
2420
check_header X11/extensions/XvMClib.h
2421

2422 2423
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
     enabled_any $need_memalign ; then
2424
    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2425
fi
2426

2427
disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2428
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2429 2430 2431 2432

# 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
2433 2434 2435 2436
    if check_func pthread_create; then
        :
    elif check_func pthread_create -pthread; then
        add_cflags -pthread
2437
        add_extralibs -pthread
M
Måns Rullgård 已提交
2438 2439
    elif check_func pthread_create -pthreads; then
        add_cflags -pthreads
2440
        add_extralibs -pthreads
G
Gianluigi Tiesi 已提交
2441 2442
    elif check_func pthread_create -lpthreadGC2; then
        add_extralibs -lpthreadGC2
M
Måns Rullgård 已提交
2443 2444 2445
    elif ! check_lib pthread.h pthread_create -lpthread; then
        die "ERROR: can't find pthreads library"
    fi
2446 2447
fi

2448
for thread in $THREADS_LIST; do
2449
    if enabled $thread; then
2450 2451
        test -n "$thread_type" &&
            die "ERROR: Only one thread type must be selected." ||
2452 2453 2454 2455
            thread_type="$thread"
    fi
done

M
Måns Rullgård 已提交
2456
check_lib math.h sin -lm
G
Gwenole Beauchesne 已提交
2457
check_lib va/va.h vaInitialize -lva
M
Måns Rullgård 已提交
2458

2459 2460
check_func exp2
check_func exp2f
2461 2462
check_func llrint
check_func log2
2463
check_func log2f
2464 2465 2466 2467 2468
check_func lrint
check_func lrintf
check_func round
check_func roundf
check_func truncf
2469

2470
# these are off by default, so fail if requested and not available
2471
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
2472
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
2473 2474
                      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)
2475 2476
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
2477
enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
2478
enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
2479
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2480 2481
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
2482
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
D
Diego Biurrun 已提交
2483 2484
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
2485
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2486
enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2487
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
M
Måns Rullgård 已提交
2488
enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 -lm &&
2489 2490
                      { check_cpp_condition x264.h "X264_BUILD >= 83" ||
                        die "ERROR: libx264 version must be >= 0.83."; }
2491
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2492
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2493

2494 2495 2496 2497 2498 2499 2500 2501 2502
# 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

2503
SDL_CONFIG="${cross_prefix}sdl-config"
2504
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2505
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
2506
    sdl_libs=$("${SDL_CONFIG}" --libs)
2507 2508 2509 2510
    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
2511
fi
2512

2513
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2514

R
Ramiro Polla 已提交
2515
if enabled network; then
2516
    check_type "sys/types.h sys/socket.h" socklen_t
2517
    check_type netdb.h "struct addrinfo"
2518 2519
    check_type netinet/in.h "struct ipv6_mreq"
    check_type netinet/in.h "struct sockaddr_in6"
2520
    check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2521
    check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
R
Ramiro Polla 已提交
2522 2523 2524 2525
    # Prefer arpa/inet.h over winsock2
    if check_header arpa/inet.h ; then
        check_func closesocket
    elif check_header winsock2.h ; then
2526 2527 2528 2529
        check_func_headers winsock2.h closesocket -lws2 && \
            network_extralibs="-lws2" || \
        { check_func_headers winsock2.h closesocket -lws2_32 && \
            network_extralibs="-lws2_32"; }
2530
        check_type ws2tcpip.h socklen_t
2531
        check_type ws2tcpip.h "struct addrinfo"
2532 2533
        check_type ws2tcpip.h "struct ipv6_mreq"
        check_type ws2tcpip.h "struct sockaddr_in6"
2534
        check_type ws2tcpip.h "struct sockaddr_storage"
2535
        check_struct winsock2.h "struct sockaddr" sa_len
2536 2537
    else
        disable network
R
Ramiro Polla 已提交
2538 2539 2540
    fi
fi

2541 2542
check_header linux/videodev.h
check_header linux/videodev2.h
2543
check_header sys/videoio.h
2544

2545
check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
R
Ramiro Polla 已提交
2546

2547
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
R
Indent  
Ramiro Polla 已提交
2548 2549 2550 2551 2552 2553 2554
{ 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
2555

2556 2557
check_header sys/soundcard.h
check_header soundcard.h
M
Måns Rullgård 已提交
2558

2559
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2560

2561
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
O
Olivier Guilyardi 已提交
2562

2563
enabled x11grab                         &&
2564 2565
check_header X11/Xlib.h                 &&
check_header X11/extensions/XShm.h      &&
2566
check_header X11/extensions/Xfixes.h    &&
2567
check_func XOpenDisplay -lX11           &&
R
Roxis 已提交
2568 2569
check_func XShmCreateImage -lX11 -lXext &&
check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2570

2571
if ! disabled vdpau && enabled vdpau_vdpau_h; then
2572 2573
check_cpp_condition \
    vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2574 2575
    { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
      disable vdpau; }
2576
fi
2577

2578
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2579 2580 2581

# add some useful compiler flags if supported
check_cflags -Wdeclaration-after-statement
2582 2583
check_cflags -Wall
check_cflags -Wno-switch
M
Michael Niedermayer 已提交
2584 2585 2586
check_cflags -Wdisabled-optimization
check_cflags -Wpointer-arith
check_cflags -Wredundant-decls
2587
check_cflags -Wno-pointer-sign
2588
check_cflags -Wcast-qual
2589
check_cflags -Wwrite-strings
2590
check_cflags -Wtype-limits
2591
check_cflags -Wundef
2592
enabled extra_warnings && check_cflags -Winline
2593

2594
# add some linker flags
2595
check_ldflags -Wl,--warn-common
2596 2597
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'
2598
check_ldflags -Wl,-Bsymbolic
F
Fabrice Bellard 已提交
2599

2600 2601 2602 2603
echo "X{};" > $TMPV
test_ldflags -Wl,--version-script,$TMPV &&
    append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'

2604 2605
if enabled small; then
    check_cflags -Os            # not all compilers support -Os
2606 2607
    optimizations="small"
elif enabled optimizations; then
2608
    if enabled xlc; then
2609 2610
        add_cflags  -O5
        add_ldflags -O5
M
Michael Kostylev 已提交
2611 2612
    elif enabled suncc; then
        add_cflags -O5
2613 2614
    elif enabled ccc; then
        add_cflags -fast
2615
    else
2616
        add_cflags -O3
2617
    fi
2618
fi
2619
check_cflags -fno-math-errno
2620
check_cflags -fno-signed-zeros
2621

2622
if enabled icc; then
M
Måns Rullgård 已提交
2623 2624 2625 2626 2627 2628 2629 2630 2631 2632 2633 2634
    # Just warnings, no remarks
    check_cflags -w1
    # -wd: Disable following warnings
    # 144, 167, 556: -Wno-pointer-sign
    # 10006: ignoring unknown option -fno-signed-zeros
    # 10156: ignoring option '-W'; no argument required
    check_cflags -wd144,167,556,10006,10156
    # 11030: Warning unknown option --as-needed
    # 10156: ignoring option '-export'; no argument required
    check_ldflags -wd10156,11030
    # Allow to compile with optimizations
    check_ldflags -march=$cpu
C
Carl Eugen Hoyos 已提交
2635 2636
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
    enable ebp_available
2637 2638 2639 2640 2641 2642 2643 2644
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
2645 2646
elif enabled gcc; then
    check_cflags -fno-tree-vectorize
D
David Conrad 已提交
2647 2648
elif enabled clang; then
    check_cflags -Qunused-arguments
M
Måns Rullgård 已提交
2649 2650 2651
elif enabled armcc; then
    # 2523: use of inline assembler is deprecated
    add_cflags -Wrvct,--diag_suppress=2523
2652 2653
elif enabled tms470; then
    add_cflags -pds=824 -pds=837
C
Carl Eugen Hoyos 已提交
2654 2655
fi

2656
if enabled gprof; then
2657 2658
    add_cflags  -p
    add_ldflags -p
2659 2660
fi

D
Diego Biurrun 已提交
2661
# Find out if the .align argument is a power of two or not.
2662
check_asm asmalign_pot '".align 3"'
2663

2664 2665
enabled_any $DECODER_LIST      && enable decoders
enabled_any $ENCODER_LIST      && enable encoders
2666
enabled_any $HWACCEL_LIST      && enable hwaccels
2667 2668 2669
enabled_any $BSF_LIST          && enable bsfs
enabled_any $DEMUXER_LIST      && enable demuxers
enabled_any $MUXER_LIST        && enable muxers
2670
enabled_any $FILTER_LIST       && enable filters
2671 2672
enabled_any $INDEV_LIST        && enable indevs
enabled_any $OUTDEV_LIST       && enable outdevs
2673 2674 2675 2676 2677
enabled_any $PROTOCOL_LIST     && enable protocols

enabled_any $THREADS_LIST      && enable threads

check_deps $CONFIG_LIST       \
2678
           $CONFIG_EXTRA      \
2679 2680 2681
           $HAVE_LIST         \
           $DECODER_LIST      \
           $ENCODER_LIST      \
2682
           $HWACCEL_LIST      \
2683 2684 2685 2686
           $PARSER_LIST       \
           $BSF_LIST          \
           $DEMUXER_LIST      \
           $MUXER_LIST        \
2687
           $FILTER_LIST       \
2688 2689 2690
           $INDEV_LIST        \
           $OUTDEV_LIST       \
           $PROTOCOL_LIST     \
2691

2692 2693
enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST

2694
echo "install prefix            $prefix"
D
Diego Biurrun 已提交
2695 2696
echo "source path               $source_path"
echo "C compiler                $cc"
D
Diego Biurrun 已提交
2697
echo ".align is power-of-two    $asmalign_pot"
D
Diego Biurrun 已提交
2698
echo "ARCH                      $arch ($cpu)"
2699 2700
if test "$build_suffix" != ""; then
    echo "build suffix              $build_suffix"
2701
fi
2702 2703 2704
if test "$extra_version" != ""; then
    echo "version string suffix     $extra_version"
fi
M
Måns Rullgård 已提交
2705
echo "big-endian                ${bigendian-no}"
2706
echo "runtime cpu detection     ${runtime_cpudetect-no}"
2707
if enabled x86; then
C
Carl Eugen Hoyos 已提交
2708
    echo "yasm                      ${yasm-no}"
M
Måns Rullgård 已提交
2709
    echo "MMX enabled               ${mmx-no}"
2710
    echo "MMX2 enabled              ${mmx2-no}"
2711
    echo "3DNow! enabled            ${amd3dnow-no}"
2712
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
2713
    echo "SSE enabled               ${sse-no}"
2714
    echo "SSSE3 enabled             ${ssse3-no}"
M
Måns Rullgård 已提交
2715 2716
    echo "CMOV enabled              ${cmov-no}"
    echo "CMOV is fast              ${fast_cmov-no}"
M
Michael Niedermayer 已提交
2717 2718
    echo "EBX available             ${ebx_available-no}"
    echo "EBP available             ${ebp_available-no}"
2719
    echo "10 operands supported     ${ten_operands-no}"
F
Fabrice Bellard 已提交
2720
fi
2721
if enabled arm; then
M
Måns Rullgård 已提交
2722 2723
    echo "ARMv5TE enabled           ${armv5te-no}"
    echo "ARMv6 enabled             ${armv6-no}"
2724
    echo "ARMv6T2 enabled           ${armv6t2-no}"
M
Måns Rullgård 已提交
2725
    echo "ARM VFP enabled           ${armvfp-no}"
M
Måns Rullgård 已提交
2726
    echo "IWMMXT enabled            ${iwmmxt-no}"
2727
    echo "NEON enabled              ${neon-no}"
2728
fi
2729
if enabled mips; then
M
Måns Rullgård 已提交
2730
    echo "MMI enabled               ${mmi-no}"
F
Fabrice Bellard 已提交
2731
fi
2732
if enabled ppc; then
M
Måns Rullgård 已提交
2733
    echo "AltiVec enabled           ${altivec-no}"
2734
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
M
Måns Rullgård 已提交
2735
    echo "dcbzl available           ${dcbzl-no}"
2736 2737 2738 2739
    echo "performance report        ${powerpc_perf-no}"
fi
if enabled sparc; then
    echo "VIS enabled               ${vis-no}"
F
Fabrice Bellard 已提交
2740
fi
M
Måns Rullgård 已提交
2741 2742
echo "gprof enabled             ${gprof-no}"
echo "debug symbols             ${debug-no}"
2743
echo "strip symbols             ${stripping-no}"
2744
echo "optimizations             ${optimizations-no}"
M
Måns Rullgård 已提交
2745 2746
echo "static                    ${static-no}"
echo "shared                    ${shared-no}"
2747
echo "postprocessing support    ${postproc-no}"
2748
echo "new filter support        ${avfilter-no}"
2749
echo "filters using lavformat   ${avfilter_lavf-no}"
M
Måns Rullgård 已提交
2750 2751 2752 2753 2754
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
2755
echo "libdc1394 support         ${libdc1394-no}"
2756
echo "libdirac enabled          ${libdirac-no}"
M
Måns Rullgård 已提交
2757 2758
echo "libfaac enabled           ${libfaac-no}"
echo "libfaad enabled           ${libfaad-no}"
2759
echo "libfaad dlopened          ${libfaadbin-no}"
M
Måns Rullgård 已提交
2760 2761 2762
echo "libgsm enabled            ${libgsm-no}"
echo "libmp3lame enabled        ${libmp3lame-no}"
echo "libnut enabled            ${libnut-no}"
2763 2764
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
J
Jai Menon 已提交
2765
echo "libopenjpeg enabled       ${libopenjpeg-no}"
2766
echo "libschroedinger enabled   ${libschroedinger-no}"
D
David Conrad 已提交
2767
echo "libspeex enabled          ${libspeex-no}"
M
Måns Rullgård 已提交
2768 2769
echo "libtheora enabled         ${libtheora-no}"
echo "libvorbis enabled         ${libvorbis-no}"
2770 2771
echo "libx264 enabled           ${libx264-no}"
echo "libxvid enabled           ${libxvid-no}"
M
Måns Rullgård 已提交
2772
echo "zlib enabled              ${zlib-no}"
2773
echo "bzlib enabled             ${bzlib-no}"
2774
echo
F
Fabrice Bellard 已提交
2775

2776
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2777
    echo "Enabled ${type}s:"
2778
    eval list=\$$(toupper $type)_LIST
2779
    for part in $list; do
2780 2781 2782
        enabled $part && echo ${part%_*}
    done | sort | pr -3 -t
    echo
2783 2784
done

2785
license="LGPL version 2.1 or later"
2786
if enabled nonfree; then
2787
    license="nonfree and unredistributable"
2788 2789 2790 2791
elif enabled gplv3; then
    license="GPL version 3 or later"
elif enabled lgplv3; then
    license="LGPL version 3 or later"
2792
elif enabled gpl; then
2793
    license="GPL version 2 or later"
2794 2795 2796
fi

echo "License: $license"
2797

2798 2799
echo "Creating config.mak and config.h..."

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# 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
    "
    for dir in $DIRS ; do
        mkdir -p $dir
    done
    for f in $FILES ; do
        $ln_s "$source_path/$f" $f
    done
fi

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enabled stripping || strip="echo skipping strip"

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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=$yasmexe
AR=$ar
RANLIB=$ranlib
LN_S=$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
EOF
L
Luca Barbato 已提交
2899

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

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get_version 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
2916
get_version LIBAVFILTER libavfilter/avfilter.h
L
Luca Barbato 已提交
2917

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enabled shared && cat >> config.mak <<EOF
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}
EOF
2928

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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 $FFMPEG_CONFIGURATION)"
2936
#define FFMPEG_LICENSE "$(c_escape $license)"
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#define FFMPEG_DATADIR "$(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
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if enabled small || disabled optimizations; then
    echo "#define av_always_inline"  >> $TMPH
fi

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print_config ARCH_   $TMPH config.mak $ARCH_LIST
print_config HAVE_   $TMPH config.mak $HAVE_LIST
2952
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
2953
                                      $CONFIG_EXTRA      \
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                                      $DECODER_LIST      \
                                      $ENCODER_LIST      \
2956
                                      $HWACCEL_LIST      \
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                                      $PARSER_LIST       \
                                      $BSF_LIST          \
                                      $DEMUXER_LIST      \
                                      $MUXER_LIST        \
2961
                                      $FILTER_LIST       \
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                                      $PROTOCOL_LIST     \
                                      $INDEV_LIST        \
                                      $OUTDEV_LIST       \
2965

2966
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
2967
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
2968

D
Diego Biurrun 已提交
2969
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
2970
cp_if_changed $TMPH config.h
N
Nick Kurshev 已提交
2971

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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

2984
# build pkg-config files
2985

2986 2987
pkgconfig_generate(){
name=$1
2988
shortname=${name#lib}${build_suffix}
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comment=$2
version=$3
libs=$4
requires=$5
2993
cat <<EOF > $name/$name.pc
2994
prefix=$prefix
2995
exec_prefix=\${prefix}
2996
libdir=$libdir
2997
includedir=$incdir
2998

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Name: $name
Description: $comment
Version: $version
3002
Requires: $(enabled shared || echo $requires)
3003
Requires.private: $(enabled shared && echo $requires)
3004
Conflicts:
3005
Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3006
Libs.private: $(enabled shared && echo $libs)
3007
Cflags: -I\${includedir}
3008
EOF
3009
cat <<EOF > $name/$name-uninstalled.pc
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prefix=
exec_prefix=
3012
libdir=\${pcfiledir}
3013
includedir=${source_path}
3014

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Name: $name
Description: $comment
Version: $version
Requires: $requires
3019
Conflicts:
3020
Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
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Cflags: -I\${includedir}
EOF
3023
}
3024

3025
pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
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pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3029
enabled avfilter &&
3030
    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3031
enabled postproc &&
3032
    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
D
Diego Biurrun 已提交
3033
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"