~ubuntu-branches/ubuntu/lucid/mythtv/lucid : contents of configure at revision 112

~ubuntu-branches/ubuntu/lucid/mythtv/lucid : (revision 112)
#!/bin/sh
#
# MythTV configure script, based on the FFmpeg configure script
#
# Copyright (c) 2000-2002 Fabrice Bellard
# Copyright (c) 2005-2008 Diego Biurrun
# Copyright (c) 2005-2008 Mans Rullgard
#

# Prevent locale nonsense from breaking basic text processing.
LC_ALL=C
export LC_ALL

# make sure we are running under a compatible shell
# try to make this part work with most shells

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

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

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

if test "$E1" != 0 || test "$E2" = 0; then
    echo "Broken shell detected.  Trying alternatives."
    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 "$0" "$@"
    fi
    echo "No compatible shell script interpreter found."
    echo "This configure script requires a POSIX-compatible shell"
    echo "such as bash or ksh."
    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."
    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
    exit 1
fi

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

Standard options:
  --help                   print this message
  --previous               use previous configure parameters if possible
  --compile-type=CTYPE     one of release, profile, debug [$compile_type]
                           NOTE: profile is for sampling profilers
  --prefix=PREFIX          install in PREFIX [$prefix]
  --runprefix=PREFIX       prefix to be used at runtime (e.g. .. or /myth/latest)
  --libdir-name=LIBNAME    search/install libraries in PREFIX/LIBNAME [$libdir_name]
  --disable-ccache         disable compiler cache (ccache)
  --disable-distcc         disable distributed compilation (distcc)

External library support:
  --enable-libfaad         enable FAAD support via libfaad [no]

Advanced options (experts only):
  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
  --enable-cross-compile   assume a cross-compiler is used
  --sysroot=PATH           root of cross-build tree
  --sysinclude=PATH        location of cross-build system headers
  --cc=CC                  use C compiler CC [$cc_default]
  --cxx=CXX                use C++ compiler CXX [$cxx_default]
  --ld=LD                  use linker LD
  --qmake=QMAKE            use specified qmake [$qmake_default]
  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
  --extra-cxxflags=ECXFLAGS add ECXXFLAGS to list of flags for C++ compile
  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
  --enable-symbol-visibility enables symbol visibility options
  --arch=ARCH              select architecture [$arch]
  --tune=CPU               tune instruction usage for a particular CPU [$tune]
  --cpu=CPU                select the minimum required CPU (affects
                           instruction selection, may crash on older CPUs)
  --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-yasm           disable use of yasm assembler
  --enable-pic             build position-independent code
  --enable-proc-opt        enable processor specific compilation

  --disable-audio-oss      disable OSS audio support
  --disable-audio-alsa     disable ALSA audio support
  --disable-audio-jack     disable JACK audio support
  --disable-audio-pulseoutput disable PulseAudio audio output support
  --enable-valgrind        disables timeouts for valgrind memory debugging
  --disable-lirc           disable lirc support (Infrared Remotes)
  --disable-joystick-menu  disable joystick menu
  --disable-firewire       disable support for FireWire cable boxes
  --disable-iptv           disable support for recording RTSP/UDP/RTP streams
  --disable-hdhomerun      disable support for HDHomeRun boxes
  --disable-v4l            disable Video4Linux support
  --disable-ivtv           disable ivtv support (PVR-x50) req. v4l support
  --disable-hdpvr          disable HD-PVR support
  --disable-dvb            disable DVB support
  --dvb-path=HDRLOC        location of directory containing
                           'linux/dvb/frontend.h', not the
                           directory with frontend.h [$dvb_path_default]
  --disable-x11            disable X11 support
  --x11-path=X11LOC        location of X11 include files [$x11_path_default]
  --disable-xrandr         disable X11 resolution switching
  --disable-xv             disable XVideo   (X11 video output accel.)
  --disable-xvmc           disable XvMC     (Linux/BSD MPEG accel.)
  --disable-xvmcw          disable XvMC Wrapper
                           (use --xvmc-lib if autodetection fails)
  --enable-xvmc-pro        enable XvMC for the Unichrome Pro chipset
                           (NOT Unichrome chipset)
  --enable-vdpau           enable NVidia VDPAU hardware acceleration.
  --xvmc-lib=LIB           XvMC library override (for crosscompiling)
  --disable-opengl-video   disable OpenGL based video display
  --enable-mac-accel       enable Mac OS X MPEG acceleration
  --disable-opengl-vsync   disable OpenGL vsync method
  --disable-directfb       disable DirectFB (Linux non-X11 video)

  --enable-mac-bundle      produce standalone OS X apps (e.g. mythfrontend.app)

  --with-bindings=LIST     install the bindings specified in the
                           comma-separated list
                           Supported bindings: perl, python
                           comma-separated list
  --python=PATH            Force a specific python executable to use [$python_default]
  --perl-config-opts=OPTS  Additional options to pass when generating
                           Makefile.perl for building Perl bindings.
EOF

#following is ffmpeg's configure help text
<<EOF
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
  --disable-avdevice       disable libavdevice build
  --disable-avcodec        disable libavcodec build
  --disable-avformat       disable libavformat build
  --disable-swscale        disable libswscale 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
  --disable-dct            disable DCT code
  --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
  --disable-dxva2          disable DXVA2 code
  --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)
  --disable-asm            disable all assembler optimizations
  --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
  --malloc-prefix=PFX      prefix malloc and related names with PFX
  --enable-sram            allow use of on-chip SRAM

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
  exit 0
}

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

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

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

die(){
    echolog "$@"
    cat <<EOF

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

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

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

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

sh_quote(){
    v=$(echo "$1" | sed "s/'/'\\\\''/g")
    test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
    echo "$v"
}

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

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

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

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
}

enable(){
    set_all yes $*
}

disable(){
    set_all no $*
}

enable_weak(){
    set_weak yes $*
}

disable_weak(){
    set_weak no $*
}

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

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

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

enable_deep(){
    do_enable_deep $*
    enable $*
}

enable_deep_weak(){
    do_enable_deep $*
    enable_weak $*
}

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

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

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

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

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

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

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

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

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

        eval dep_all="\$${cfg}_deps"
        eval dep_any="\$${cfg}_deps_any"
        eval dep_sel="\$${cfg}_select"
        eval dep_sgs="\$${cfg}_suggest"
        eval dep_ifa="\$${cfg}_if"
        eval dep_ifn="\$${cfg}_if_any"

        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

        [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
        [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
        enabled_all  $dep_all || disable $cfg
        enabled_any  $dep_any || disable $cfg
        disabled_any $dep_sel && disable $cfg

        if enabled $cfg; then
            eval dep_extralibs="\$${cfg}_extralibs"
            test -n "$dep_extralibs" && add_extralibs $dep_extralibs
            enable_deep $dep_sel
            enable_deep_weak $dep_sgs
        fi

        disable ${cfg}_checking
    done
}

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

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

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

restore_flags(){
    flags_saved || return
    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 $*"
}

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

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

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

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

add_ecflags(){
    append ECFLAGS "$@"
}

add_optflags(){
    append OPTFLAGS "$@"
}

add_cxxflags(){
    append ECXXFLAGS "$@"
}

add_ldflags(){
    append LDFLAGS "$@"
}

add_extralibs(){
    append extralibs "$@"
}

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

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

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

check_cxx(){
    log check_cxx "$@"
    cat > $TMPCXX
    log_file $TMPCXX
    check_cmd $cxx $ECXXFLAGS "$@" -c -o $TMPO $TMPCXX
}

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

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

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

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

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

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

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

check_ecflags(){
    log check_ecflags "$@"
    check_cc $@ <<EOF && add_ecflags "$@" || echolog "WARNING! An unknown C compiler flag in: \"$@\". Option(s) will be ignored."
int x;
EOF
}

check_optflags(){
    log check_optflags "$@"
    check_cc "$@" <<EOF && add_optflags "$@"
int x;
EOF
}

check_cxxflags(){
    log check_cxxflags "$@"
    check_cxx $@ <<EOF && add_cxxflags "$@" || echolog "WARNING! An unknown C++ compiler flag in: \"$@\". Option(s) will be ignored."
class X {};
int x;
EOF
}

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

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

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

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

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

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

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

check_lib2(){
    log check_lib2 "$@"
    headers="$1"
    func="$2"
    shift 2
    check_func_headers "$headers" $func "$@" && add_extralibs "$@"
}

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

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

check_exec_crash(){
    code=$(cat)

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

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

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

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
}

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

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

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

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
}

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

cp_if_changed(){
    cmp -s "$1" "$2" &&
        echo "$2 is unchanged" ||
        cp -f "$1" "$2"
}


#deprecated, use check_lib or check_lib2 instead
has_library()
{
    if test -f /etc/ld.so.conf ; then
        LIBPATHS=`cat /etc/ld.so.conf | grep -v "#" | grep -v "include"`
    else
        LIBPATHS=''
    fi

    LIBPATHS="$LIBPATHS `echo $LD_LIBRARY_PATH | sed s/':'/' '/g` "
    # Mac OS X has a different variable for this:
    LIBPATHS="$LIBPATHS `echo $DYLD_LIBRARY_PATH | sed s/':'/' '/g` "

    # recurse down just one level, should be enough in most cases
    if test -f /etc/ld.so.conf ; then
        INCL=`cat /etc/ld.so.conf | grep -v "#" | grep  "^include"`
        SRCH=`echo "$INCL" | sed '{ s/^include \//\//; s/^include /\/etc\//}'`
        for x in $SRCH ; do
            LP_APPEND=`cat $x | grep -v "#" | grep -v "^include"`
            LIBPATHS="$LIBPATHS $LP_APPEND"
        done
    fi

    LIBPATHS="`echo $LIBPATHS /$libdir_name /usr/$libdir_name /usr/local/$libdir_name /usr/X11R6/$libdir_name | sed s/'\/ '/' '/g` "

    HAS_IT="no"
    for LIBPATH in $LIBPATHS ; do
        if test x`ls $LIBPATH/$1* 2> /dev/null | head -n 1` != x"" ; then
            HAS_IT="yes"
        fi
    done
    expr $HAS_IT : "yes" > /dev/null
}

x86_mmx_cpus="pentium-mmx,pentium2,pentium3,pentium3m,pentium-m"
x86_mmx_cpus="$x86_mmx_cpus,pentium4,pentium4m,prescott"
x86_mmx_cpus="$x86_mmx_cpus,athlon,athlon-xp,athlon-tbird,athlon-4,athlon-mp,"
x86_mmx_cpus="$x86_mmx_cpus,c3,c3-2,k6,k6-2,k6-3"

x86_cpus="i386,i486,i586,i686,pentium,pentiumpro,${x86_mmx_cpus}"

x86_64_cpus="x86-64,athlon64,k8,opteron,athlon64-sse3,k8-sse3,opteron-sse3"
x86_64_cpus="$x86_64_cpus,barcelona,athlon-fx,nocona,core2"

is_x86_cpu() {
    expr ",${x86_cpus}," : ".*,$1," > /dev/null
}

is_x86_64_cpu() {
    expr ",${x86_64_cpus}," : ".*,$1," > /dev/null
}

is_x86_mmx() {
    expr ",${x86_mmx_cpus}," : ".*,$1," > /dev/null || is_x86_64_cpu "$1"
}


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

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

CONFIG_LIST="
    $COMPONENT_LIST
    aandct
    avcodec
    avdevice
    avfilter
    avfilter_lavf
    avformat
    avisynth
    beos_netserver
    bzlib
    dct
    doc
    dxva2
    fastdiv
    ffmpeg
    ffplay
    ffserver
    fft
    golomb
    gpl
    gprof
    gray
    hardcoded_tables
    libdc1394
    libdirac
    libfaac
    libfaad
    libfaadbin
    libgsm
    libmp3lame
    libnut
    libopencore_amrnb
    libopencore_amrwb
    libopenjpeg
    libschroedinger
    libspeex
    libtheora
    libvorbis
    libx264
    libxvid
    lpc
    mdct
    memalign_hack
    mlib
    mpegaudio_hp
    network
    nonfree
    pic
    postproc
    powerpc_perf
    rdft
    runtime_cpudetect
    shared
    small
    sram
    static
    swscale
    swscale_alpha
    vaapi
    vdpau
    version3
    x11grab
    zlib
"

THREADS_LIST='
    beosthreads
    os2threads
    pthreads
    w32threads
'

ARCH_LIST='
    alpha
    arm
    avr32
    avr32_ap
    avr32_uc
    bfin
    ia64
    m68k
    mips
    mips64
    parisc
    ppc
    ppc64
    s390
    sh4
    sparc
    sparc64
    x86
    x86_32
    x86_64
'

ARCH_EXT_LIST='
    altivec
    amd3dnow
    amd3dnowext
    armv5te
    armv6
    armv6t2
    armvfp
    iwmmxt
    mmi
    mmx
    mmx2
    neon
    ppc4xx
    sse
    ssse3
    vis
'

HAVE_LIST_PUB='
    bigendian
'

HAVE_LIST="
    $ARCH_EXT_LIST
    $HAVE_LIST_PUB
    $THREADS_LIST
    alsa_asoundlib_h
    altivec_h
    arpa_inet_h
    attribute_may_alias
    attribute_packed
    bswap
    closesocket
    cmov
    conio_h
    cpu_clips_negative
    cpu_clips_positive
    dcbzl
    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
    dlfcn_h
    dlopen
    dos_paths
    ebp_available
    ebx_available
    exp2
    exp2f
    fast_64bit
    fast_clz
    fast_cmov
    fast_unaligned
    fe_can_2g_modulation
    fork
    freetype2
    getaddrinfo
    ftime
    gethrtime
    getifaddrs
    GetProcessTimes
    getrusage
    gettimeofday
    inet_aton
    inline_asm
    isatty
    ldbrx
    libdc1394_1
    libdc1394_2
    llrint
    log2
    log2f
    loongson
    lrint
    lrintf
    lzo1x_999_compress
    machine_ioctl_bt848_h
    machine_ioctl_meteor_h
    malloc_h
    memalign
    mkstemp
    pld
    posix_fadvise
    posix_memalign
    round
    roundf
    sdl
    sdl_video_size
    setmode
    socklen_t
    soundcard_h
    poll_h
    stdint_h
    sync_file_range
    struct_addrinfo
    struct_ipv6_mreq
    struct_sockaddr_in6
    struct_sockaddr_sa_len
    struct_sockaddr_storage
    sys_mman_h
    sys_resource_h
    sys_select_h
    sys_soundcard_h
    sys_videoio_h
    ten_operands
    termios_h
    threads
    truncf
    vfp_args
    VirtualAlloc
    winsock2_h
    xform_asm
    yasm
"

# options emitted with CONFIG_ prefix but not available on command line
CONFIG_EXTRA="
    avutil
    gplv3
    lgplv3
"

MYTHTV_CONFIG_LIST='
    backend
    cygwin
    darwin
    directfb
    disable_mmx_for_debugging
    dvb
    dvdv
    firewire
    fribidi
    frontend
    glx_proc_addr_arb
    hdhomerun
    hdpvr
    iptv
    ivtv
    joystick_menu
    libfftw3
    lirc
    mheg
    opengl_video
    opengl_vsync
    qtdbus
    qtwebkit
    v4l
    valgrind
    x11
    xrandr
    xv
    xvmc
    xvmc_vld
    xvmcw
'

MYTHTV_LIST='
    audio_pulse
    audio_pulseoutput
    audio_alsa
    audio_jack
    audio_oss
    ffmpeg_pthreads
    mac_bundle
    proc_opt
    silent_cc
    symbol_visibility
    xvmc_pro
'

USING_LIST='
    appleremote
    bindings_perl
    bindings_python
    darwin_da
    dvdv
    opengl
    vdpau
'

CMDLINE_SELECT="
    $ARCH_EXT_LIST
    $CONFIG_LIST
    $THREADS_LIST
    asm
    cross_compile
    $MYTHTV_LIST
    $MYTHTV_CONFIG_LIST
    debug
    extra_warnings
    logging
    opengl
    optimizations
    stripping
    yasm
"

PATHS_LIST='
    bindir
    datadir
    dvb_path
    incdir
    libdir
    mandir
    prefix
    runprefix
    shlibdir
    x11_path
'

CMDLINE_SET="
    $PATHS_LIST
    arch
    as
    build_suffix
    cc
    cpu
    cross_prefix
    cxx
    dep_cc
    logging
    extra_version
    host_cc
    host_cflags
    host_ldflags
    host_libs
    host_os
    ld
    logfile
    malloc_prefix
    nm
    qmake
    python
    source_path
    sysinclude
    sysroot
    target_exec
    target_os
    target_path
"

CMDLINE_APPEND="
    extra_cflags
"

# code dependency declarations

# architecture extensions

armv5te_deps="arm"
armv6_deps="arm"
armv6t2_deps="arm"
armvfp_deps="arm"
iwmmxt_deps="arm"
neon_deps="arm"

mmi_deps="mips"

altivec_deps="ppc"
ppc4xx_deps="ppc"

vis_deps="sparc"

x86_64_suggest="cmov fast_cmov"
amd3dnow_deps="mmx"
amd3dnowext_deps="amd3dnow"
mmx_deps="x86"
mmx2_deps="mmx"
sse_deps="mmx"
ssse3_deps="sse"

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

need_memalign="altivec neon sse"
inline_asm_deps="!tms470"

# decoders / encoders / hardware accelerators
aac_decoder_deps="!libfaad !libfaadbin"
aac_decoder_select="fft mdct ac3_parser"
aac_encoder_select="fft mdct"
ac3_decoder_select="fft mdct ac3_parser"
alac_encoder_select="lpc"
atrac3_decoder_select="fft mdct"
binkaudio_dct_decoder_select="fft mdct rdft dct"
binkaudio_rdft_decoder_select="fft mdct rdft"
cavs_decoder_select="golomb"
cook_decoder_select="fft mdct"
cscd_decoder_suggest="zlib"
dca_decoder_select="fft mdct"
dnxhd_encoder_select="aandct"
dxa_decoder_select="zlib"
eac3_decoder_select="ac3_decoder"
eamad_decoder_select="aandct"
eatgq_decoder_select="aandct"
eatqi_decoder_select="aandct"
ffv1_decoder_select="golomb"
flac_decoder_select="golomb"
flac_encoder_select="golomb lpc"
flashsv_decoder_select="zlib"
flashsv_encoder_select="zlib"
flv_decoder_select="h263_decoder"
flv_encoder_select="h263_encoder"
h261_encoder_select="aandct"
h263_decoder_select="h263_parser"
h263_encoder_select="aandct"
h263_vaapi_hwaccel_deps="va_va_h"
h263_vaapi_hwaccel_select="vaapi h263_decoder"
h263i_decoder_select="h263_decoder"
h263p_encoder_select="h263_encoder"
h264_decoder_select="golomb"
h264_dxva2_hwaccel_deps="dxva2api_h"
h264_dxva2_hwaccel_select="dxva2 h264_decoder"
h264_vaapi_hwaccel_deps="va_va_h"
h264_vaapi_hwaccel_select="vaapi"
h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
h264_vdpau_decoder_select="vdpau h264_decoder"
imc_decoder_select="fft mdct"
jpegls_decoder_select="golomb"
jpegls_encoder_select="golomb"
ljpeg_encoder_select="aandct"
loco_decoder_select="golomb"
mjpeg_encoder_select="aandct"
mlp_decoder_select="mlp_parser"
mpeg1video_encoder_select="aandct"
mpeg2video_encoder_select="aandct"
mpeg4_decoder_select="h263_decoder mpeg4video_parser"
mpeg4_encoder_select="h263_encoder"
mpeg_dvdv_decoder_deps="dvdv"
mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
mpeg2_vaapi_hwaccel_deps="va_va_h"
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
mpeg4_vaapi_hwaccel_deps="va_va_h"
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
mpeg_xvmc_decoder_select="mpegvideo_decoder"
mpeg_xvmc_vld_decoder_deps="xvmc_vld"
msmpeg4v1_decoder_select="h263_decoder"
msmpeg4v1_encoder_select="h263_encoder"
msmpeg4v2_decoder_select="h263_decoder"
msmpeg4v2_encoder_select="h263_encoder"
msmpeg4v3_decoder_select="h263_decoder"
msmpeg4v3_encoder_select="h263_encoder"
nellymoser_decoder_select="fft mdct"
nellymoser_encoder_select="fft mdct"
png_decoder_select="zlib"
png_encoder_select="zlib"
qdm2_decoder_select="fft mdct rdft"
rv10_decoder_select="h263_decoder"
rv10_encoder_select="h263_encoder"
rv20_decoder_select="h263_decoder"
rv20_encoder_select="h263_encoder"
rv30_decoder_select="golomb"
rv40_decoder_select="golomb"
shorten_decoder_select="golomb"
sonic_decoder_select="golomb"
sonic_encoder_select="golomb"
sonic_ls_encoder_select="golomb"
svq3_decoder_select="golomb"
svq3_decoder_suggest="zlib"
theora_decoder_select="vp3_decoder"
tiff_decoder_suggest="zlib"
tiff_encoder_suggest="zlib"
truehd_decoder_select="mlp_decoder"
tscc_decoder_select="zlib"
vc1_decoder_select="h263_decoder"
vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
vc1_vaapi_hwaccel_deps="va_va_h"
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
vc1_vdpau_decoder_select="vdpau vc1_decoder"
vorbis_decoder_select="fft mdct"
vorbis_encoder_select="fft mdct"
vp6a_decoder_select="vp6_decoder"
vp6f_decoder_select="vp6_decoder"
wmav1_decoder_select="fft mdct"
wmav1_encoder_select="fft mdct"
wmav2_decoder_select="fft mdct"
wmav2_encoder_select="fft mdct"
wmv1_decoder_select="h263_decoder"
wmv1_encoder_select="h263_encoder"
wmv2_decoder_select="h263_decoder"
wmv2_encoder_select="h263_encoder"
wmv3_decoder_select="vc1_decoder"
wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
zlib_decoder_select="zlib"
zlib_encoder_select="zlib"
zmbv_decoder_select="zlib"
zmbv_encoder_select="zlib"

# parsers
h264_parser_select="golomb"
latm_parser_deps="libfaad"

# bitstream_filters
aac_adtstoasc_bsf_select="aac_parser"

# external libraries
libdirac_decoder_deps="libdirac !libschroedinger"
libdirac_encoder_deps="libdirac"
libfaac_encoder_deps="libfaac"
libfaad_decoder_deps="libfaad"
libfaad_latm_decoder_deps="libfaad"
libfaadbin_decoder_extralibs='$ldl'
libgsm_decoder_deps="libgsm"
libgsm_encoder_deps="libgsm"
libgsm_ms_decoder_deps="libgsm"
libgsm_ms_encoder_deps="libgsm"
libmp3lame_encoder_deps="libmp3lame"
libopencore_amrnb_decoder_deps="libopencore_amrnb"
libopencore_amrnb_encoder_deps="libopencore_amrnb"
libopencore_amrwb_decoder_deps="libopencore_amrwb"
libopenjpeg_decoder_deps="libopenjpeg"
libschroedinger_decoder_deps="libschroedinger"
libschroedinger_encoder_deps="libschroedinger"
libspeex_decoder_deps="libspeex"
libtheora_encoder_deps="libtheora"
libvorbis_encoder_deps="libvorbis"
libx264_encoder_deps="libx264"
libxvid_encoder_deps="libxvid"

# demuxers / muxers
ac3_demuxer_deps="ac3_parser"
asf_stream_muxer_select="asf_muxer"
avisynth_demuxer_deps="avisynth"
dirac_demuxer_deps="dirac_parser"
eac3_demuxer_select="ac3_parser"
ipod_muxer_select="mov_muxer"
libnut_demuxer_deps="libnut"
libnut_muxer_deps="libnut"
matroska_audio_muxer_select="matroska_muxer"
matroska_demuxer_suggest="zlib bzlib"
mov_demuxer_suggest="zlib"
mp3_demuxer_deps="mpegaudio_parser"
mp4_muxer_select="mov_muxer"
mpegtsraw_demuxer_select="mpegts_demuxer"
mxf_d10_muxer_select="mxf_muxer"
ogg_demuxer_select="golomb"
psp_muxer_select="mov_muxer"
rtsp_demuxer_deps="sdp_demuxer"
sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
spdif_muxer_select="aac_parser"
tg2_muxer_select="mov_muxer"
tgp_muxer_select="mov_muxer"
w64_demuxer_deps="wav_demuxer"

# indevs / outdevs
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="-lavicap32"
x11_grab_device_indev_deps="x11grab XShmCreateImage"
x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"

# protocols
gopher_protocol_deps="network"
http_protocol_deps="network"
rtmp_protocol_deps="tcp_protocol"
rtp_protocol_deps="udp_protocol"
tcp_protocol_deps="network"
udp_protocol_deps="network"

# filters
movie_filter_deps="avfilter_lavf"
avfilter_lavf_deps="avformat"

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

# programs
ffmpeg_deps="avcodec avformat swscale"
ffplay_deps="avcodec avformat swscale sdl"
ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
ffserver_extralibs='$ldl'

doc_deps="texi2html"

# mythtv dependencies
audio_oss_deps_any="soundcard_h sys_soundcard_h"
dvb_deps="backend"
firewire_deps="backend"
iptv_deps="backend"
ivtv_deps="backend v4l"
hdpvr_deps="backend v4l"
hdhomerun_deps="backend"
mpegtsraw_demuxer_deps="merge_libavformat_mpegts_c"
opengl_deps_any="agl_h GL_gl_h darwin windows x11"
opengl_video_deps="opengl"
opengl_vsync_deps="opengl"
v4l_deps="backend"
xrandr_deps="x11"
xv_deps="x11"
xvmc_deps="xv X11_extensions_XvMClib_h"
xvmc_pro_deps="xvmc X11_extensions_vldXvMC_h"
xvmc_vld_deps="xvmc X11_extensions_vldXvMC_h"
xvmcw_deps="xvmc"

# default parameters
pre_logfile="config.ep"
logfile="$pre_logfile"
compile_type="release"

# installation paths
prefix_default="/usr/local"
bindir_default='${prefix}/bin'
datadir_default='${prefix}/share/mythtv'
incdir_default='$(prefix)/include/mythtv'
incdir_default='${prefix}/include'
libdir_default='${prefix}/lib'
mandir_default='${prefix}/share/man'
shlibdir_default="$libdir_default"

libdir_name='lib'

# toolchain
ar="ar"
cc_default="gcc"
cc_version=\"unknown\"
host_cc_default="gcc"
ln_s="ln -sf"
cxx_default="g++"
ccache="yes"
distcc="yes"
nm_default="nm"
objformat="elf"
ranlib="ranlib"
qmake_default="qmake"
python_default="python"
strip="strip"
yasmexe="yasm"

nm_opts='-g'

# machine
arch=$(uname -m)
arch_raw="$arch"
cpu="generic"
processor=`uname -p 2>/dev/null`
processor_flags=""
tune="generic"

if test -f /proc/cpuinfo ; then
    if test x"$processor" = x"" -o x"$processor" = x"$arch_raw" -o \
            x"$processor" = x"unknown" ; then
        processor=`cat /proc/cpuinfo | grep "model name" | head -n 1`
    fi
    processor_flags=`cat /proc/cpuinfo | grep "flags" | head -n 1`
fi

# Mac OS X equivalent
if test -f /usr/bin/hostinfo ; then
    arch=`arch`
    if test x"$arch" = x"ppc" -o x"$arch" = x"ppc64" ; then
        processor=`/usr/bin/hostinfo | grep "Processor type:"`
        processor=${processor#Processor type: *}
        processor=${processor% (*}
        tune=$processor
    else
            # 10.4 only:
            processor=`/usr/sbin/sysctl -n machdep.cpu.model_string 2>/dev/null`
            if test x"$processor" = x"" ; then
                # On 10.5, this contains the type of CPU also:
                processor=`/usr/sbin/sysctl -n machdep.cpu.brand_string`
            fi
            processor_flags=`/usr/sbin/sysctl -n machdep.cpu.features`
            processor_flags=`echo $processor_flags | tr "[A-Z]" "[a-z]"`
    fi
fi

# OS
target_os=$(tolower $(uname -s))
host_os=$target_os

# mythtv settings
CONFIG_DEFINES=""
CONFIG_INCLUDEPATH=""
PROFILEFLAGS=""

audio_pulse="default"
audio_pulse_libs="-lpulse"
audio_pulseoutput="default"
audio_alsa="default"
audio_alsa_libs="-lasound"
audio_jack="default"
audio_jack_libs="-ljack"

enable audio_oss
enable bindings_perl
enable bindings_python
enable directfb
enable dvb
enable ffmpeg_pthreads
enable firewire
enable frontend
enable hdhomerun
enable hdpvr
enable iptv
enable ivtv
enable lamemp3
enable lirc
enable mheg
enable opengl
enable opengl_vsync
enable opengl_video
enable v4l
enable x11
enable xrandr
enable xv
enable xvmc
enable xvmc_vld
enable xvmcw

# mythtv paths
dvb_path_default="${sysroot}/usr/include"
x11_path_default="${sysroot}/usr/X11R6/include"
xvmc_lib=""

# configurable options
enable avcodec
enable avdevice
enable avformat
enable avutil
enable asm
enable debug
#enable doc
enable fastdiv
enable gpl
enable mpegaudio_hp
enable network
enable optimizations
enable protocols
enable shared
enable stripping
enable swscale
enable swscale_alpha

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

CC_O='-o $@'

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

target_path='$(CURDIR)'

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

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

for v in "$@"; do
    r=${v#*=}
    l=${v%"$r"}
    r=$(sh_quote "$r")
    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
done

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

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

enable $ARCH_EXT_LIST \
       $DECODER_LIST \
       $ENCODER_LIST \
       $HWACCEL_LIST \
       $PARSER_LIST \
       $BSF_LIST \
       $DEMUXER_LIST \
       $MUXER_LIST \
       $FILTER_LIST \
       $PROTOCOL_LIST \
       $INDEV_LIST \
       $OUTDEV_LIST \

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

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

if [ -e config.log ] ; then
    PCONF=`cat config.log | tail -n 1 | grep configure`
    if test x"$PCONF" != x"" ; then
        PCONF=`echo $PCONF | sed 's/.\/configure//g'`
    fi
    for opt do
        if test x"$opt" != x"--prev" -a x"$opt" != x"--previous" ; then
            OTHOPT="$OTHOPT$opt"
        fi
        if test x"$opt" = x"--prev" -o x"$opt" = x"--previous" ; then
            if test x"$PCONF" != "--prev" ; then
                PREV="yes";
            fi
        fi
    done
    if test x"$PREV" = x"yes"; then
        echo "Options: $PCONF $OTHOPT"
        ./configure $PCONF $OTHOPT
        exit
    fi
fi

# set temporary file name
if test ! -z "$TMPDIR" ; then
    TMPDIR1="${TMPDIR}"
elif test ! -z "$TEMPDIR" ; then
    TMPDIR1="${TEMPDIR}"
else
    TMPDIR1="/tmp"
fi

TMPC="${TMPDIR1}/mythtv-conf-${RANDOM}-$$-${RANDOM}.c"
TMPE="${TMPDIR1}/mythtv-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
TMPH="${TMPDIR1}/mythtv-conf-${RANDOM}-$$-${RANDOM}.h"
TMPO="${TMPDIR1}/mythtv-conf-${RANDOM}-$$-${RANDOM}.o"
TMPS="${TMPDIR1}/mythtv-conf-${RANDOM}-$$-${RANDOM}.S"
TMPSH="${TMPDIR1}/mythtv-conf-${RANDOM}-$$-${RANDOM}.sh"
TMPCXX="${TMPDIR1}/mythtv-conf-${RANDOM}-$$-${RANDOM}.c"

for opt do
    optval="${opt#*=}"
    case "$opt" in
    --compile-type=*) compile_type=$optval
    ;;
    --libdir-name=*) libdir_name=$optval
    ;;
    --extra-cflags=*) add_ecflags $optval
    ;;
    --extra-cxxflags=*) add_cxxflags $optval
    ;;
    --extra-ldflags=*) add_ldflags $optval
    ;;
    --extra-libs=*) add_extralibs $optval
    ;;
    --arch=*) arch=$optval && arch_raw=$optval && enable cpu_override
    ;;
    --cpu=*) cpu=$optval && enable cpu_override
    ;;
    --tune=*) tune=$optval
    ;;
    --disable-ccache) disable ccache
    ;;
    --disable-distcc) disable distcc
    ;;
    --xvmc-lib=*) xvmc_lib=$optval
    ;;
    --enable-glx-procaddrarb) enable glx_proc_addr_arb
    ;;
    --disable-glx-procaddrarb) disable glx_proc_addr_arb
    ;;
    --enable-mac-accel) enable dvdv
    ;;
    --disable-mac-accel) disable dvdv
    ;;
# disabled due to abuse in Gentoo ebuild
    --disable-frontend)
    ;;
# disabled due to abuse in Gentoo ebuild
    --disable-backend)
    ;;
    --enable-mac-bundle) enable mac_bundle
    ;;
    --previous|--prev)
        echo "No history of previous configure parameters."
    ;;
    --with-bindings=*)
        tmp_bindings=`echo ${optval} | sed -e 's/,/ /g'`
        for binding in ${tmp_bindings} ; do
            if test x"${binding}" = x"perl"; then
                bindings_perl="yes"
            fi
            if test x"${binding}" = x"python"; then
                bindings_python="yes"
            fi
        done
    ;;
    --without-bindings=*)
        tmp_bindings=`echo ${optval} | sed -e 's/,/ /g'`
        for binding in ${tmp_bindings} ; do
            if test x"${binding}" = x"perl"; then
                bindings_perl="no"
            fi
            if test x"${binding}" = x"python"; then
                bindings_python="no"
            fi
        done
    ;;
    --perl-config-opts=*)
      PERL_CONFIG_OPTS=`echo ${optval}`
    ;;
    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
    ;;
    --enable-debug=*) debuglevel="$optval"
    ;;
    --enable-*=*|--disable-*=*)
    eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
    is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
    eval list=\$$(toupper $thing)_LIST
    name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
    $action $(filter "$name" $list)
    ;;
    --enable-?*|--disable-?*)
    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
    if is_in $option $COMPONENT_LIST; then
        test $action = disable && action=unset
        eval $action \$$(toupper ${option%s})_LIST
    elif is_in $option $CMDLINE_SELECT; then
        $action $option
    else
        die_unknown $opt
    fi
    ;;
    --list-*)
        NAME="${opt#--list-}"
        is_in $NAME $COMPONENT_LIST || die_unknown $opt
        NAME=${NAME%s}
        eval show_list $NAME \$$(toupper $NAME)_LIST
    ;;
    --help|-h) show_help
    ;;
    *)
    optname="${opt%%=*}"
    optname="${optname#--}"
    optname=$(echo "$optname" | sed 's/-/_/g')
    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
    ;;
    esac
done


#setting default runtime prefix and libdir
if test -n "${prefix}"; then
    runprefix_default=${prefix}
    libdir_default="${prefix}/${libdir_name}"
    shlibdir_default="${prefix}/${libdir_name}"
else
    runprefix_default=${prefix_default}
    libdir_default="${prefix_default}/${libdir_name}"
    shlibdir_default="${prefix_default}/${libdir_name}"
fi

if enabled cpu_override || test x"$tune" != x"generic" && enabled proc_opt; then
    echo "Warning! --enable-proc-opt shouldn't be used with --arch, --cpu or --tune"
    echo "Disabling it now."
    disable proc_opt
fi

disabled logging && logfile=/dev/null

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

test -n "$cross_prefix" && enable cross_compile

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

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

set_default cc nm sysinclude
set_default cxx qmake python
enabled cross_compile || host_cc_default=$cc
set_default host_cc

exesuf() {
    case $1 in
        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
    esac
}

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

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

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}/mythtv_conf.XXXXXXXX")$2 &&
        (set -C; exec > $tmp) 2>/dev/null ||
        die "Unable to create temporary file in $TMPDIR."
    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
tmpfile TMPV  .ver
tmpfile TMPSH .sh

unset -f mktemp

# 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

filter_cflags=echo
filter_cppflags=echo
filter_asflags=echo

if   $cc -v 2>&1 | grep -qi ^gcc; then
    cc_type=gcc
    cc_version=__VERSION__
    if ! $cc -dumpversion | grep -q '^2\.'; then
        CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
        AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
    fi
    speed_cflags='-O3'
    size_cflags='-Os'
elif $cc --version 2>/dev/null | grep -q Intel; then
    cc_type=icc
    cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
    CC_DEPFLAGS='-MMD'
    AS_DEPFLAGS='-MMD'
    speed_cflags='-O3'
    size_cflags='-Os'
elif $cc -v 2>&1 | grep -q xlc; then
    cc_type=xlc
    cc_version="AV_STRINGIFY(__IBMC__)"
    speed_cflags='-O5'
    size_cflags='-O5 -qcompact'
elif $cc -V 2>/dev/null | grep -q Compaq; then
    cc_type=ccc
    cc_version="AV_STRINGIFY(__DECC_VER)"
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
    debuglevel=3
    add_ldflags -Wl,-z,now # calls to libots crash without this
    speed_cflags='-fast'
    size_cflags='-O1'
elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
    test -d "$sysroot" || die "No valid sysroot specified."
    cc_type=armcc
    cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
    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=$armcc_conf --translate_gcc"
    as_default="${cross_prefix}gcc"
    CC_DEPFLAGS='-MMD'
    AS_DEPFLAGS='-MMD'
    speed_cflags='-O3'
    size_cflags='-Os'
elif $cc -version 2>/dev/null | grep -q TMS470; then
    cc_type=tms470
    cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
    cc="$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 $TMPO
    add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
    CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
    AS_DEPFLAGS='-MMD'
    speed_cflags='-O3 -mf=5'
    size_cflags='-O3 -mf=2'
    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        ;;
                -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
                -msoft-float)   echo --float_support=vfplib       ;;
                -O[0-3]|-mf=*)  echo $flag                        ;;
                -g)             echo -g -mn                       ;;
                -pds=*)         echo $flag                        ;;
            esac
        done
    }
elif $cc -v 2>&1 | grep -q clang; then
    cc_type=clang
    cc_version=__VERSION__
    CC_DEPFLAGS='-MMD'
    AS_DEPFLAGS='-MMD'
    speed_cflags='-O3'
    size_cflags='-Os'
elif $cc -V 2>&1 | grep -q Sun; then
    cc_type=suncc
    cc_version="AV_STRINGIFY(__SUNPRO_C)"
    DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
    DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
    speed_cflags='-O5'
    size_cflags='-O5 -xspace'
    filter_cflags=suncc_flags
    suncc_flags(){
        for flag; do
            case $flag in
                -march=*|-mcpu=*)
                    case "${flag#*=}" in
                        native)                   echo -xtarget=native       ;;
                        v9)                       echo -xarch=sparc          ;;
                        ultrasparc)               echo -xarch=sparcvis       ;;
                        ultrasparc3|niagara*)     echo -xarch=sparcvis2      ;;
                        i586|pentium)             echo -xchip=pentium        ;;
                        i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
                        pentium3*|c3-2)           echo -xtarget=pentium3     ;;
                        pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
                        pentium4*)          echo -xtarget=pentium4           ;;
                        prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
                        *-sse3)             echo -xarch=sse3                 ;;
                        core2)              echo -xarch=ssse3 -xchip=core2   ;;
                        amdfam10|barcelona)       echo -xarch=sse4_1         ;;
                        athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
                        k8|opteron|athlon64|athlon-fx)
                                                  echo -xarch=sse2a          ;;
                        athlon*)                  echo -xarch=pentium_proa   ;;
                    esac
                    ;;
                -std=c99)             echo -xc99              ;;
                -fomit-frame-pointer) echo -xregs=frameptr    ;;
                -fPIC)                echo -KPIC -xcode=pic32 ;;
                -W*,*)                echo $flag              ;;
                -f*-*|-W*)                                    ;;
                *)                    echo $flag              ;;
            esac
        done
    }
fi

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

: ${as_default:=$cc}
: ${dep_cc_default:=$cc}
: ${ld_default:=$cc}
set_default as dep_cc ld

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

add_cflags $extra_cflags
add_asflags $extra_cflags

if test -n "$sysroot"; then
    case "$cc_type" in
        gcc)
            add_cppflags --sysroot="$sysroot"
            add_ldflags --sysroot="$sysroot"
        ;;
        tms470)
            add_cppflags -I"$sysinclude"
            add_ldflags  --sysroot="$sysroot"
        ;;
        clang)
            add_cppflags -isysroot="$sysroot"
            add_ldflags -isysroot="$sysroot"
        ;;
    esac
fi

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
                sed -n "/$1=/{
                            s/.*$1=\\([^ ]*\\).*/\\1/
                            p
                            q
                        }" $TMPE
            }
            cpu=$(check_native -march || check_native -mcpu)
        ;;
    esac

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

# 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 || die "ERROR: unknown arch $arch"
enable $arch


# if no tune setting and we know cpu class look at $processor
if ! enabled_any cpu_override cross_compile && enabled proc_opt; then
# first try to tune based on processor info
# Intel i7 processors (EMT64T capable)
   if expr "$processor" : ".*Intel(R).*Core(TM) i7 CPU.*" > /dev/null ; then
       cpu="core2"
# EM64T era Intel Xeon
   elif expr "$processor" : ".*Intel(R) Xeon(R) CPU.*51[1-6][08]" > /dev/null ; then
       cpu="core2"
   elif expr "$processor" : ".*Intel(R) Xeon(R) CPU.*54[0-9][025]" > /dev/null ; then
       cpu="core2"
   elif expr "$processor" : ".*Intel(R) Xeon(R) CPU.*33[2567]0" > /dev/null ; then
       cpu="core2"
   elif expr "$processor" : ".*Intel(R) Xeon(R) CPU.*X32[123]0" > /dev/null ; then
       cpu="core2"
# Various Intel Duo processors (EMT64T capable)
   elif expr "$processor" : ".*Intel(R).*Core(TM)2.*CPU" > /dev/null ; then
       cpu="core2"
   elif expr "$processor" : "*.Pentium(R) 5 CPU" > /dev/null ; then
       cpu="nocona"
# EM64T compatible Intel Celeron
   elif expr "$processor" : ".*Celeron(R) D CPU" > /dev/null ; then
       cpu="nocona"
       enable small
# Intel Core2 Duo
   elif expr "$processor" : ".*Genuine.*Intel.*CPU.*2160" > /dev/null ; then
       cpu="core2"
# Intel Atom
   elif expr "$processor" : ".*Intel(R) Atom(TM)" > /dev/null ; then
       cpu="nocona"
       enable small
# Reportedly Intel Duo, but we assume 32 bit P3 due to generic name
   elif expr "$processor" : ".*Genuine.*Intel.*CPU" > /dev/null ; then
       cpu="pentium3"
# Pentium-M derivative in AppleTV, assume 32 bit P3 due to generic name
   elif expr "$processor" : ".*Genuine.*Intel.*processor" > /dev/null ; then
       cpu="pentium3"
# P4
   elif expr "$processor" : ".*Xeon(TM) CPU" > /dev/null ; then
       cpu="pentium4"
   elif expr "$processor" : ".*XEON(TM) CPU" > /dev/null ; then
       cpu="pentium4"
   elif expr "$processor" : ".*XEON(TM) MP CPU" > /dev/null ; then
       cpu="pentium4"
   elif expr "$processor" : "pentium4" > /dev/null ; then
       cpu="pentium4"
   elif expr "$processor" : ".*Pentium(R) [4D]" > /dev/null ; then
       cpu="pentium4"
   elif expr "$processor" : ".*Celeron(R) CPU" > /dev/null ; then
       cpu="pentium4"
       enable small
# P6, which includes Intel Core
   elif expr "$processor" : ".*Intel P6 Family" > /dev/null ; then
       cpu="pentium4"
# P3
   elif expr "$processor" : "pentium3" > /dev/null ; then
       cpu="pentium3"
   elif expr "$processor" : ".*Pentium.* III" > /dev/null ; then
       cpu="pentium3"
   elif expr "$processor" : ".*Coppermine" > /dev/null ; then
       cpu="pentium3"
       enable small
   elif expr "$processor" : ".*Celeron(TM) CPU" > /dev/null ; then
       cpu="pentium3"
       enable small
   elif expr "$processor" : ".*Pentium(R) M" > /dev/null ; then
       cpu="pentium3"
   elif expr "$processor" : ".*Celeron(R) M processor" > /dev/null ; then
       cpu="pentium3"
       enable small
# P2
   elif expr "$processor" : "pentium2" > /dev/null ; then
       cpu="pentium2"
   elif expr "$processor" : ".*Mendocino" > /dev/null ; then
       cpu="pentium2"
       enable small
   elif expr "$processor" : ".*Klamath" > /dev/null ; then
       cpu="pentium2"
       enable small
   elif expr "$processor" : ".*Deschutes" > /dev/null ; then
       cpu="pentium2"
       enable small
   elif expr "$processor" : ".*Pentium II" > /dev/null ; then
       cpu="pentium2"
       enable small
# AMD Turion
   elif expr "$processor" : ".*AMD Turion(tm) 64" > /dev/null ; then
       cpu="k8"
# AMD Geode NX
   elif expr "$processor" : ".*AMD Geode(tm) NX" > /dev/null ; then
       cpu="athlon"
       enable small
# Athlon 64
   elif expr "$processor" : ".*AMD Athlon(tm) 64" > /dev/null ; then
       cpu="k8"
   elif expr "$processor" : ".*AMD Athlon(tm) Dual Core" > /dev/null ; then
       cpu="k8"
   elif expr "$processor" : ".*Athlon LE-16" > /dev/null ; then
       cpu="k8"
# AMD Phenom
   elif expr "$processor" : ".*AMD Phenom(tm)" > /dev/null ; then
       cpu="barcelona"
# AMD Opteron
   elif expr "$processor" : ".*AMD Opteron(tm)" >/dev/null ; then
       cpu="k8"
# Athlon MP
   elif expr "$processor" : ".*AMD Athlon(tm) MP.*" > /dev/null ; then
       cpu="athlon-mp"
# Athlon XP
   elif expr "$processor" : "athlon-xp" > /dev/null ; then
       cpu="athlon-xp"
   elif expr "$processor" : ".*AMD Athlon(tm) XP" > /dev/null ; then
       cpu="athlon-xp"
   elif expr "$processor" : ".*AMD Sempron(tm)" > /dev/null ; then
       cpu="athlon-xp"
# Athlon
   elif expr "$processor" : "athlon" > /dev/null ; then
       cpu="athlon"
   elif expr "$processor" : ".*AMD Athlon(..)" > /dev/null ; then
       cpu="athlon"
   elif expr "$processor" : ".*AMD Duron(..)" > /dev/null ; then
       cpu="athlon"
       enable small
# K6
   elif expr "$processor" : ".*AMD-K6(tm) 3D" > /dev/null ; then
       cpu="k6"
       enable small
# Transmeta Crusoe
   elif expr "$processor" : ".*Crusoe(m) Processor TM5600" > /dev/null ; then
       cpu="pentium2"
# c3-2
   elif expr "$processor" : ".*VIA Esther" > /dev/null ; then
       cpu="c3-2"
       enable small
   elif expr "$processor" : ".*VIA Nehemiah" > /dev/null ; then
       cpu="c3-2"
       enable small
# c3
   elif expr "$processor" : ".*VIA.*Ezra" > /dev/null ; then
       cpu="c3"
       enable small
   elif expr "$processor" : ".*VIA Samuel" > /dev/null ; then
       cpu="c3"
       enable small
# if no known processor info, tune base on arch_raw info
   elif test x"$arch_raw" = x"i686" -a x"$mmx" = x"yes" ; then
       cpu="pentium2"
       proc_error_msg="yes"
   elif test x"$arch_raw" = x"i686" -a x"$mmx" = x"no" ; then
       cpu="pentiumpro"
       proc_error_msg="yes"
   elif test x"$arch_raw" = x"i586" -a x"$mmx" = x"yes" ; then
       cpu="pentium-mmx"
       proc_error_msg="yes"
   elif test x"$arch_raw" = x"i586" -a x"$mmx" = x"no" ; then
       cpu="i586"
       proc_error_msg="yes"
   elif test x"$arch_raw" = x"i486"; then
       cpu="i486"
       proc_error_msg="yes"
   elif test x"$arch_raw" = x"i386"; then
       cpu="i386"
       proc_error_msg="yes"
   else
       proc_error_msg="yes"
   fi
fi

if enabled proc_error_msg; then
    UNAME_M_INFO=` uname -m 2> /dev/null`
    UNAME_P_INFO=` uname -p 2> /dev/null`
    PROC_INFO=`cat /proc/cpuinfo | grep "model name" | head -n 1 | sed s/"\t"//g 2>/dev/null`
    PROC_FLAG=`cat /proc/cpuinfo | grep "flags" | head -n 1 | sed s/"\t"//g 2>/dev/null`
    echo ""
    echo " *** WARNING *** "
    echo " Your CPU was not detected properly:"
    echo "   uname -m: $UNAME_M_INFO"
    echo "   uname -p: $UNAME_P_INFO"
    echo " $PROC_INFO"
    echo "      $PROC_FLAG"
    echo ""
    echo " If you are using a recent checkout from "
    echo "   http://svn.mythtv.org/svn/trunk/mythtv "
    echo " please e-mail the above to mythtv-users@mythtv.org"
    echo " With the subject \"configure did not detect my cpu\""
    echo ""
fi

if test $target_os = "darwin"; then
     # Apple GCC doesn't support march=core2 yet:
    if test $cpu = "core2"; then
        cpu="nocona"
    fi
    # Core Duo might be identified as march=pentium3, which errors:
    # ...MachineExceptions.h:... error: '__m128i' does not name a type
    # ...MachineExceptions.h:... error: '__m128i' does not name a type
    if test $cpu = "pentium3"; then
        cpu=prescott
    fi
fi

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

    case $(tolower $cpu) in
        601|ppc601|powerpc601)
            cpuflags="-mcpu=601"
            disable altivec
        ;;
        603*|ppc603*|powerpc603*)
            cpuflags="-mcpu=603"
            disable altivec
        ;;
        604*|ppc604*|powerpc604*)
            cpuflags="-mcpu=604"
            disable altivec
        ;;
        g3|75*|ppc75*|powerpc75*)
            cpuflags="-mcpu=750 -mpowerpc-gfxopt"
            disable altivec
        ;;
        g4|745*|ppc745*|powerpc745*)
            cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
        ;;
        74*|ppc74*|powerpc74*)
            cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
        ;;
        g5|970|ppc970|powerpc970|power4*)
            cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
        ;;
        cell)
            cpuflags="-mcpu=cell"
            enable ldbrx
        ;;
        e500v2)
            cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
            disable altivec
        ;;
        e500)
            cpuflags="-mcpu=8540 -mhard-float"
            disable altivec
        ;;
    esac

elif enabled x86; then

    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=$cpu"
            disable cmov
        ;;
        # targets that do support conditional mov (cmov)
        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|k8-sse3|opteron-sse3|athlon64-sse3|core2|amdfam10|barcelona)
            cpuflags="-march=$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

elif enabled sparc; then

    case $cpu in
        sparc64)
            cpuflags="-mcpu=v9"
        ;;
    esac

elif enabled arm; then

    case $cpu in
        armv*)
            cpuflags="-march=$cpu"
        ;;
        *)
            cpuflags="-mcpu=$cpu"
        ;;
    esac

elif enabled alpha; then

    enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"

elif enabled bfin; then

    cpuflags="-mcpu=$cpu"

elif enabled mips; then

    cpuflags="-march=$cpu"

elif enabled avr32; then

    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

fi


# if architecture specific flags don't work blank them
if test -n "$cpuflags"; then
    tmp_cpuflags="$cpuflags"
    check_cc $cpuflags <<EOF || cpuflags=""
int main( void ) { return 0; }
EOF
    if test -z "$cpuflags"; then
        if enabled cpu_override || enabled proc_opt || test x"$tune" != x"generic"; then
            echo "ERROR: CPU specific ./configure options failed compile test"
            echo "       Removing CPU specific compilation options. ($tmp_cpuflags)"
            echo ""
        fi
    fi
fi

add_cflags $cpuflags
add_asflags $cpuflags
add_cxxflags $cpuflags

# 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."
    echo "Check your ECFLAGS: [$ECFLAGS]"
    if test -z "$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

add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112

# C++ compiler sanity check
check_exec_cxx <<EOF
int main(void){ return 0; }
EOF
if test "$?" != 0; then
    echo "$cxx is unable to create an executable file."
    echo "Check your ECXXFLAGS: [$ECXXFLAGS]"
    if test -z "$cross_prefix" && ! enabled cross_compile ; then
        echo "If $cxx 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

check_cflags -std=c99
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
#include <stdlib.h>
EOF
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
#include <stdlib.h>
EOF

check_host_cflags -std=c99

case "$arch" in
    alpha|ia64|mips|parisc|sparc)
        spic=$shared
    ;;
    x86)
        subarch="x86_32"
        check_cc <<EOF && subarch="x86_64"
        int test[(int)sizeof(char*) - 7];
EOF
        if test "$subarch" = "x86_64"; then
            spic=$shared
        fi
    ;;
esac

enable $subarch
enabled spic && enable pic
check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic

# OS specific
case $target_os in
    beos|haiku|zeta)
        prefix_default="$HOME/config"
        # 3 gcc releases known for BeOS, each with ugly bugs
        gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
        case "$gcc_version" in
          2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
            disable mmx
            ;;
          *20010315*) echo "BeBits gcc"
            add_cflags -fno-expensive-optimizations
            ;;
        esac
        SHFLAGS=-nostart
        # enable BeOS things
        enable audio_beos
        # no need for libm, but the inet stuff
        # Check for BONE
        # XXX: actually should check for NOT net_server
        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
            network_extralibs="-lbind -lsocket"
        else
            enable beos_netserver
            network_extralibs="-lnet"
        fi ;;
    sunos)
        FFSERVERLDFLAGS=""
        SHFLAGS='-shared -Wl,-h,$$(@F)'
        enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
        network_extralibs="-lsocket -lnsl"
        add_cppflags -D__EXTENSIONS__
        nm_opts='-P -g'
        ;;
    netbsd)
        oss_indev_extralibs="-lossaudio"
        oss_outdev_extralibs="-lossaudio"
        ;;
    openbsd)
        append CCONFIG "openbsd"
        enable malloc_aligned
        # 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).
        # Thus explicitly enable PIC here.
        enable pic
        SHFLAGS='-shared'
        oss_indev_extralibs="-lossaudio"
        oss_outdev_extralibs="-lossaudio"
        ;;
    freebsd|dragonfly)
        append CCONFIG "freebsd"
        enable malloc_aligned
        # Workaround compile errors from missing u_int/uint def
        CFLAGS=`echo $CFLAGS | sed 's/-D_POSIX_C_SOURCE=200112//'`
        disable ivtv
        enable backend
        ;;
    bsd/os)
        osextralibs="-lpoll -lgnugetopt"
        strip="strip -d"
        ;;
    darwin)
        _restrict=__restrict__
        enable malloc_aligned
        enable  appleremote
        enable  backend
        enable  darwin
        disable dvb
        # Prevent linker problems on default Intel 10.5 XCode:
        ldver=$(ld -v 2>&1 | sed -e s/^[^-]*-//)
        osxver=$(uname -r | cut -c 1)
        if [[ ${ldver%%.*} -lt "82" && ${osxver} = "9" && ${arch} = "x86_32" ]]; then
            cat <<EOF
You have a broken ld. Please upgrade XCode to 3.1.1 or newer.
MMX disabled to allow libavcodec to build.
Playback of HD videos may be very poor.
EOF
            disable mmx
            enable disable_mmx_for_debugging   # prevent later call to die
        fi
        disable opengl_vsync
        enable  proc_opt
        disable v4l
        disable x11
        # Workaround compile errors from missing gmtime_r/localtime_r/uint def
        CFLAGS=`echo $CFLAGS | sed 's/-D_POSIX_C_SOURCE=200112//'`
        ###### Standard ffmpeg configure stuff follows:
        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
        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
        objformat="macho"
        enabled x86_64 && objformat="macho64"
        enabled_any pic shared ||
            { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
        ;;
    mingw32*)
        if test $target_os = "mingw32ce"; then
            disable network
        else
            target_os=mingw32
        fi
        LIBTARGET=i386
        if enabled x86_64; then
            enable malloc_aligned
            LIBTARGET=x64
        elif enabled arm; then
            LIBTARGET=arm
        fi
        shlibdir_default="$bindir_default"
        enable  backend
        disable bindings_perl
        disable bindings_python
        disable dv1394
        disable dvb
        enable  memalign_hack
        disable network
        enable opengl
        if enabled wince; then
            disable protocols
        fi
        disable v4l
        enable  windows
        disable x11
        ###### Standard ffmpeg configure stuff follows:
        disable ffserver
        SLIBPREF="lib"
        SLIBSUF=".dll"
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
            install -d "$(LIBDIR)"; \
            install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
        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'
        add_extralibs -lws2_32
        objformat="win32"
        enable dos_paths
        check_cflags -fno-common
        if ! enabled x86_64; then
            check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
                die "ERROR: MinGW runtime version must be >= 3.15."
            enabled_any avisynth vfwcap_indev &&
                { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
                  die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
        fi
        ;;
    cygwin*)
        enable cygwin
        target_os=cygwin
        shlibdir_default="$bindir_default"
        enable windows
        SLIBPREF="cyg"
        SLIBSUF=".dll"
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
        SHFLAGS='-shared -Wl,--enable-auto-image-base'
        objformat="win32"
        enable dos_paths
        check_cflags -fno-common
        ;;
    *-dos|freedos|opendos)
        disable ffplay ffserver
        disable $INDEV_LIST $OUTDEV_LIST
        network_extralibs="-lsocket"
        objformat="coff"
        enable dos_paths
        ;;
    linux)
        append CCONFIG "linux"
        enable backend
        ! disabled joystick_menu && enable joystick_menu
        enable dv1394
        ;;
    irix*)
        target_os=irix
        ranlib="echo ignoring ranlib"
        ;;
    os/2*)
        strip="lxlite"
        ln_s="cp -f"
        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
        FFSERVERLDFLAGS=""
        LIBSUF="_s.a"
        SLIBPREF=""
        SLIBSUF=".dll"
        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
        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)"'
        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
        enable dos_paths
        ;;
    gnu/kfreebsd)
        ;;
    gnu)
        ;;

    *)
        die "Unknown OS '$target_os'."
        ;;
esac

set_default $PATHS_LIST

append CONFIG_INCLUDEPATH $sysinclude "${sysroot}${prefix}"

add_extralibs $osextralibs

append CCONFIG "$compile_type"
if test x$compile_type = x"profile" ; then
    PROFILEFLAGS="-DNDEBUG"
    enable debug
elif test x$compile_type = x"debug"; then
    enable debug
    disable optimizations
fi

enabled silent_cc && append CCONFIG "silent"


# Combine FFLDFLAGS and the LDFLAGS environment variable
LDFLAGS="$FFLDFLAGS $EXTRALDFLAGS $LDFLAGS"

# we need to build at least one lib type
if ! enabled_any static shared; then
    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

disabled static && LIBNAME=""

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


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

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

die_license_disabled nonfree libfaac

die_license_disabled version3 libopencore_amrnb
die_license_disabled version3 libopencore_amrwb

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

check_deps $ARCH_EXT_LIST

# compute mmx state
if enabled x86 && ! disabled mmx ; then
    if enabled x86_64; then
        enable mmx
    elif test $cpu != "generic"; then
        is_x86_mmx "$cpu" && enable mmx
    elif expr "$processor_flags" : ".*mmx" > /dev/null ; then
            enable mmx
    else
        is_x86_mmx "$arch_raw" && enable mmx
    fi
fi

# compute cmov state
if test $cpu = "generic"; then
    if expr "$processor_flags" : ".*cmov" > /dev/null ; then
        enable cmov
    else
        disable cmov
    fi
fi

check_optflags -fomit-frame-pointer


is_qmake4(){
    $1 --version 2>&1 | egrep -q -e "Qt version 4\.[4-9]\.[0-9]"
}

if ! is_qmake4 $qmake; then
    is_qmake4 qmake-qt4 && qmake=qmake-qt4 || die "qmake for Qt4.4 or newer not found.\nPlease specify the correct qmake with --qmake="
fi

if ! expr $($qmake -query QT_VERSION) : "4\.[4-9]\.[0-9]" >/dev/null; then 
    die "Qt4.4 or newer is required to build MythTV." 
fi 
    
enable_pic() {
    enable pic
    add_cppflags -DPIC
    add_cflags   -fPIC
    add_asflags  -fPIC
}

enabled pic && enable_pic

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

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

_restrict=
for restrict_keyword in restrict __restrict__ __restrict; do
    check_cxx <<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 && enable attribute_may_alias
union { int x; } __attribute__((may_alias)) x;
EOF

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

if enabled alpha; then

    check_cflags -mieee

elif enabled arm; then

    check_cflags -marm

    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"'

    enabled_all armv6t2 shared !pic && enable_pic

elif enabled ia64; then

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

elif enabled mips; then

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

elif enabled ppc; then

    check_asm dcbzl     '"dcbzl 0, 1"'
    check_asm ppc4xx    '"maclhw r10, r11, r12"'
    check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'

    # 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

elif enabled sparc; then

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

elif enabled x86; then

    # 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.
    check_exec_crash <<EOF && enable ebp_available
    volatile int i=0;
    __asm__ volatile (
        "xorl %%ebp, %%ebp"
    ::: "%ebp");
    return i;
EOF

    # check whether EBX is available on x86
    check_asm ebx_available '""::"b"(0)' &&
        check_asm ebx_available '"":::"%ebx"'

    # 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

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

    check_asm bswap '"bswap %%eax" ::: "%eax"'

    YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
    enabled     x86_64        && append YASMFLAGS "-m amd64"
    enabled     pic           && append YASMFLAGS "-DPIC"
    test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
    case "$objformat" in
        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
    esac
    disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }

    case "$cpu" in
        athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
            disable fast_clz
        ;;
    esac

fi

# "CPU_CLIP" test for SRC / libsamplerate
# test positive wrap
temp_ldflags -lm
check_exec << EOF && enable cpu_clips_positive
    #define _ISOC9X_SOURCE  1
    #define _ISOC99_SOURCE  1
    #define __USE_ISOC99    1
    #define __USE_ISOC9X    1
    #include <math.h>
    int main (void)
    {	double	fval ;
        int k, ival ;

        fval = 1.0 * 0x7FFFFFFF ;
        for (k = 0 ; k < 100 ; k++)
        {
            ival = (lrint (fval)) >> 24 ;
            if (ival != 127)
                return 1 ;

            fval *= 1.2499999 ;
        } ;

        return 0 ;
    }
EOF

# test negative wrap
check_exec << EOF && enable cpu_clips_negative
    #define	_ISOC9X_SOURCE	1
    #define _ISOC99_SOURCE  1
    #define __USE_ISOC99    1
    #define __USE_ISOC9X    1
    #include <math.h>
    int main (void)
    {
        double	fval ;
        int k, ival ;

        fval = -8.0 * 0x10000000 ;
        for (k = 0 ; k < 100 ; k++)
        {
            ival = (lrint (fval)) >> 24 ;
            if (ival != -128)
                return 1 ;

            fval *= 1.2499999 ;
        } ;

        return 0 ;
    }
EOF
restore_flags

# test for distcc
enabled distcc && check_cmd distcc --version || disable distcc
if enabled distcc; then
    XYZ=`which $cc`
    if test x"$XYZ" != x"" -a x"`ls -l $XYZ | grep distcc`" != x""; then
        distcc="symlink"
        distcc_txt=" $cc"
    fi
fi

# test for ccache
enabled ccache && check_cmd ccache -V || disable ccache
if enabled ccache; then
    XYZ=`which $cc`
    if test x"$XYZ" != x"" -a x"`ls -l $XYZ | grep ccache`" != x""; then
        ccache="symlink"
        ccache_txt=" $cc"
    fi
fi

# ccache should be used before distcc for better cache coherency
if enabled distcc; then
    if disabled ccache; then
        cc="distcc $cc"
        cxx="distcc $cxx"
    elif enabled ccache; then
        cc="ccache distcc $cc"
        cxx="ccache distcc $cxx"
    else
        disable distcc
        distcc_txt="t using distcc explicitly, since ccache symlink is present"
    fi
else
    if enabled ccache; then
        cc="ccache $cc"
        cxx="ccache $cxx"
    fi
fi
if check_func dlopen; then
    ldl=
elif check_func dlopen -ldl; then
    ldl=-ldl
fi

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

check_func  fork
check_func  getaddrinfo $network_extralibs
check_func  gethrtime
check_func  getrusage
check_func  inet_aton $network_extralibs
check_func  isatty
check_func  ${malloc_prefix}memalign            && enable memalign
check_func  mkstemp
check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
check_func_headers io.h setmode
check_func_headers lzo/lzo1x.h lzo1x_999_compress
check_func_headers windows.h GetProcessTimes
check_func_headers windows.h VirtualAlloc

check_header conio.h
check_header dlfcn.h
check_header dxva2api.h
check_header malloc.h
check_header poll.h
check_header sys/mman.h
check_header sys/resource.h
check_header sys/select.h
check_header termios.h
check_header vdpau/vdpau.h
check_header vdpau/vdpau_x11.h
check_header X11/extensions/XvMClib.h

check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex

check_func posix_fadvise
check_func_headers sys/timeb.h ftime
check_func_headers sys/time.h gettimeofday
check_func_headers "sys/types.h sys/socket.h ifaddrs.h" getifaddrs

# libmythhdhomerun now uses clock_gettime, which some Unixes need -lrt for:
check_func clock_gettime || \
    { check_func clock_gettime -lrt && add_extralibs -lrt; }

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

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

enabled ffmpeg_pthreads && enable pthreads

# 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
    if check_func pthread_create; then
        :
    elif check_func pthread_create -pthread; then
        add_cflags -pthread
        add_extralibs -pthread
    elif check_func pthread_create -pthreads; then
        add_cflags -pthreads
        add_extralibs -pthreads
    elif check_func pthread_create -lpthreadGC2; then
        add_extralibs -lpthreadGC2
    elif ! check_lib pthread.h pthread_create -lpthread; then
        disable ffmpeg_pthreads pthreads
    fi
fi

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

check_lib math.h sin -lm
check_lib va/va.h vaInitialize -lva

check_func exp2
check_func exp2f
check_func llrint
check_func log2
check_func log2f
check_func lrint
check_func lrintf
check_func round
check_func roundf
check_func truncf

# these are off by default, so fail if requested and not available
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
enabled libdirac   && add_cflags $(pkg-config --cflags dirac) &&
                      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)
enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
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
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 -lm &&
                      { check_cpp_condition x264.h "X264_BUILD >= 83" ||
                        die "ERROR: libx264 version must be >= 0.83."; }
enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib

# 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

check_header stdint.h

# test for lrint in math.h
check_exec <<EOF && lrint=yes || lrint=no
#define _ISOC9X_SOURCE  1
#include <math.h>
int main( void ) { return (lrint(3.999f) > 0)?0:1; }
EOF

#test for round()
check_exec <<EOF && round=yes || round=no
#define _ISOC9X_SOURCE  1
#include <math.h>
int main( void ) { return (round(3.999f) > 0)?0:1; }
EOF

# test for sync_file_range (linux only system call since 2.6.17)
check_ld <<EOF #&& enable sync_file_range
#define _GNU_SOURCE
#include <fcntl.h>

int main(int argc, char **argv){
    sync_file_range(0,0,0,0);
    return 0;
}
EOF

# test for sizeof(int)
for sizeof in 1 2 4 8 16; do
    check_cc <<EOF && _sizeof_int=$sizeof && break
void foo(){switch (0) case 0: case (sizeof(int) == $sizeof):;}
EOF
done

# test for sizeof(long)
for sizeof in 1 2 4 8 16; do
  check_cc <<EOF && _sizeof_long=$sizeof && break
void foo(){switch (0) case 0: case (sizeof(long) == $sizeof):;}
EOF
done

check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType

##########################################
# fribidi check

disable fribidi
FRIBIDI_CONFIG="pkg-config fribidi"
if test x`which pkg-config 2>/dev/null` != x"" ; then
   if `pkg-config --atleast-version 0.19 fribidi` ; then
       check_cc `${FRIBIDI_CONFIG} --cflags` `${FRIBIDI_CONFIG} --libs` << EOF && enable fribidi
#include <stdio.h>
#include <fribidi/fribidi.h>
int main()
{
    if (fribidi_parse_charset("UTF-8") != FRIBIDI_CHAR_SET_UTF8)
    {
        printf("Fribidi headers are not consistents with the library!\n");
        return 1;
    }
    return 0;
}
EOF
    else
        disable fribidi
    fi
fi
##########################################
SDL_CONFIG="${cross_prefix}sdl-config"
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
    sdl_cflags=$("${SDL_CONFIG}" --cflags)
    sdl_libs=$("${SDL_CONFIG}" --libs)
    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
fi

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

if enabled network; then
    check_type "sys/types.h sys/socket.h" socklen_t
    check_type netdb.h "struct addrinfo"
    check_type netinet/in.h "struct ipv6_mreq"
    check_type netinet/in.h "struct sockaddr_in6"
    check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
    check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
    # Prefer arpa/inet.h over winsock2
    if check_header arpa/inet.h ; then
        check_func closesocket
    elif check_header winsock2.h ; then
        check_func_headers winsock2.h closesocket -lws2 && \
            network_extralibs="-lws2" || \
        { check_func_headers winsock2.h closesocket -lws2_32 && \
            network_extralibs="-lws2_32"; }
        check_type ws2tcpip.h socklen_t
        check_type ws2tcpip.h "struct addrinfo"
        check_type ws2tcpip.h "struct ipv6_mreq"
        check_type ws2tcpip.h "struct sockaddr_in6"
        check_type ws2tcpip.h "struct sockaddr_storage"
        check_struct winsock2.h "struct sockaddr" sa_len
    else
        disable network
    fi
fi

check_header linux/videodev.h
check_header linux/videodev2.h
check_header sys/videoio.h

check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"

# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
{ 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

check_header sys/soundcard.h
check_header soundcard.h

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

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

# PulseAudio probe
! disabled audio_pulse &&
    check_lib pulse/version.h pa_get_library_version $audio_pulse_libs &&
    $(pkg-config --atleast-version=0.9.7 libpulse) &&
    enable  audio_pulse ||
    disable audio_pulse

# Enable Pulse Audio output iff not disabled and pulse audio is available
if ! enabled audio_pulse ; then
    disable audio_pulseoutput
elif ! disabled audio_pulseoutput ; then
    enable audio_pulseoutput
fi

# ALSA probe
! disabled audio_alsa &&
    check_lib alsa/asoundlib.h snd_asoundlib_version $audio_alsa_libs &&
    check_cpp_condition alsa/asoundlib.h "(defined(SND_PCM_NO_AUTO_RESAMPLE))" &&
    enable  audio_alsa ||
    { { ! enabled audio_alsa || die "ERROR: Alsa >= 1.0.16 required"; } &&
    disable audio_alsa; }


# JACK probe
! disabled audio_jack &&
    check_lib jack/jack.h jack_client_new $audio_jack_libs &&
    enable  audio_jack ||
    disable audio_jack

enabled x11grab                         &&
check_header X11/Xlib.h                 &&
check_header X11/extensions/XShm.h      &&
check_header X11/extensions/Xfixes.h    &&
check_func XOpenDisplay -lX11           &&
check_func XShmCreateImage -lX11 -lXext &&
check_func XFixesGetCursorImage -lX11 -lXext -lXfixes

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

enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
enabled debug && add_cxxflags -g"$debuglevel"

# add some useful compiler flags if supported
#check_cflags -Wdeclaration-after-statement
check_cflags -Wall
check_cflags -Wno-switch
check_cflags -Wdisabled-optimization
check_cflags -Wpointer-arith
check_cflags -Wredundant-decls
check_cflags -Wno-pointer-sign
check_cflags -Wcast-qual
check_cflags -Wwrite-strings
check_cflags -Wtype-limits
check_cflags -Wundef
enabled extra_warnings && check_cflags -Winline
# C++ Flags
check_cxxflags -Wall
check_cxxflags -Wno-switch
check_cxxflags -Wpointer-arith
check_cxxflags -Wredundant-decls
check_cxxflags -Wno-non-virtual-dtor
check_cxxflags -funit-at-a-time
#needed for INT64_C in libs/libavformat under g++
check_cxxflags -D__STDC_CONSTANT_MACROS

# add some linker flags
check_ldflags -Wl,--warn-common
<<BLOCKQUOTE
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'
BLOCKQUOTE
check_ldflags -Wl,-Bsymbolic

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

# GCC version
gcc_version=$($cc -dumpversion)
GCC_MAJOR=$(echo ${gcc_version} | cut -s -d'.' -f1)
GCC_MINOR=$(echo ${gcc_version} | cut -s -d'.' -f2)

if enabled symbol_visibility; then
    if test x"$GCC_MAJOR" = x"4" ; then
        check_cxxflags -fvisibility-inlines-hidden
        append CCONFIG "use_hidesyms"
    else
        echo "Warning: --enable-symbol-visibility requires gcc 4.x"
    fi
fi

if enabled dvb; then
    if test -f "$dvb_path"/linux/dvb/frontend.h ; then
        if test -f "$dvb_path"/../MAINTAINERS ; then
            echo "Warning: DVB location in kernel. May not compile."
        fi
    else
        KERNEL_RELEASE=`uname -r 2>/dev/null`
        if test x"$KERNEL_RELEASE" != x"" ; then
            dvb_path="${sysroot}/usr/src/linux-$KERNEL_RELEASE/include"
        else
            dvb_path="${sysroot}/usr/src/linux/include"
        fi

        if test -f "$dvb_path"/linux/dvb/frontend.h ; then
            if test -f "$dvb_path"/../MAINTAINERS ; then
                echo "Warning: DVB location in kernel. May not compile."
            fi
        else
            echo "DVB location needs to have linux/dvb/frontend.h [$dvb_path]"
            disable dvb
        fi
    fi
fi


enabled dvb && check_cc -I"$dvb_path" <<EOF && enable fe_can_2g_modulation
#include <linux/dvb/frontend.h>
int main(void) {
    if (FE_CAN_2G_MODULATION != 0x10000000)
        return 1;
    return 0;
}
EOF

# Check that all MythTV build "requirements" are met:

enabled freetype2 ||
    die "ERROR! You must have FreeType installed to compile MythTV."

enabled lamemp3 && check_lib2 lame/lame.h lame_init -lmp3lame -lm ||
    die "ERROR! You must have the Lame MP3 encoding library installed to compile MythTV."

if $(pkg-config --atleast-version 4.4.0 QtWebKit) ; then
    enable qtwebkit
else
    # For environments that don't have pkg-config, we do a compile test.
    qt_inc="-I${sysroot}/$(${qmake} -query QT_INSTALL_HEADERS)"

    check_cxx ${qt_inc} ${qt_inc}/QtCore <<EOF && enable qtwebkit
#include <QtWebKit/QtWebKit>
#if QT_VERSION < 0x040400
die
#endif
EOF
fi

enabled qtwebkit || die "Error! QtWebkit headers not found"

# Check if Qt was built with DBus support:
qt_inc="-I${sysroot}/$(${qmake} -query QT_INSTALL_HEADERS)"
check_cxx ${qt_inc} ${qt_inc}/QtDBus <<EOF && enable qtdbus
#include <QtDBus>
EOF

if enabled firewire; then
    firewire="no"
    libavc_5_3="no"
    if has_library libiec61883 -a \
       has_library libavc1394 -a \
       has_library librom1394; then
        if test x`which pkg-config 2>/dev/null` != x"" ; then
            if `pkg-config --atleast-version 0.5.0 libavc1394` ; then
                if `pkg-config --atleast-version 1.0.0 libiec61883` ; then
                    firewire="yes"
                    if `pkg-config --atleast-version 0.5.3 libavc1394` ; then
                        libavc_5_3="yes"
                    fi
                fi
            fi
        fi
    fi
    if test $target_os = darwin; then
        # This should pick the newest. e.g. FireWireSDK21 instead of 20
        # Unfortunately, the location keeps changing:
        #/Developer/FireWireSDK20/Examples/AVCVideoServices/Framework
        #/Developer/FireWireSDK21/Examples/Framework
        mac_avc=`find /Developer/FireWireSDK* -name Framework 2> /dev/null \
                 | tail -n 1`
        if test -d "$mac_avc" ; then
            firewire="yes"
        else
            echo Firewire being disabled. /Developer/FireWireSDK* missing
        fi
    fi
fi

enabled libfftw3 && check_lib2 fftw3.h fftw_init_threads -lfftw3_threads -lfftw3 ||
    disable libfftw3

enabled x11 && check_lib X11/Xlib.h XQueryExtension -lX11 || disable x11
enabled xrandr && check_lib X11/extensions/Xrandr.h XRRSelectInput -lXrandr || disable xrandr
enabled xv && check_lib X11/extensions/Xv.h XvPutStill -lXv || disable xv

if enabled x11; then
    require libXxf86vm X11/extensions/xf86vmode.h XF86VidModeSetClientVersion -lXxf86vm
    require libXinerama X11/extensions/Xinerama.h XineramaQueryExtension -lXinerama
    require libXext X11/extensions/Xext.h XMissingExtension -lXext
fi

check_header GL/gl.h
if ! enabled windows; then
    has_library libGL || has_library libopengl32 || disable opengl
fi

VENDOR_XVMC_LIBS=""
enabled xvmcw && check_lib X11/extensions/XvMClib.h XvMCQueryExtension -lXvMCW || disable xvmcw
enabled xvmcw && check_lib X11/extensions/XvMClib.h XvMCQueryVersion -lXvMCW || disable xvmcw
check_header X11/extensions/vldXvMC.h

if test x"$xvmc_lib" != x""; then
    VENDOR_XVMC_LIBS="-l"$xvmc_lib
    disable xvmcw
elif enabled xvmcw; then
    VENDOR_XVMC_LIBS="-lXvMCW -ldl"
elif enabled xvmc_pro; then
    if has_library libviaXvMCPro ; then
        VENDOR_XVMC_LIBS="-lviaXvMCPro"
    elif has_library libchromeXvMCPro ; then
        VENDOR_XVMC_LIBS="-lchromeXvMCPro"
    else
        disable xvmc_pro
    fi
elif enabled xvmc_vld; then
    if has_library libviaXvMC ; then
        VENDOR_XVMC_LIBS="-lviaXvMC"
    elif has_library libchromeXvMC ; then
        VENDOR_XVMC_LIBS="-lchromeXvMC"
    else
        disable xvmc_pro
    fi
elif has_library libXvMCNVIDIA ; then
    VENDOR_XVMC_LIBS="-lXvMCNVIDIA"
elif has_library libI810XvMC ; then
    VENDOR_XVMC_LIBS="-lI810XvMC"
else
    disable xvmc xvmcw
fi

if test x"$VENDOR_XVMC_LIBS" = x"-lXvMCNVIDIA" ; then
    disable xvmc_vld xvmc_pro
fi

if test x"$VENDOR_XVMC_LIBS" = x"" ; then
    disable xvmc xvmcw xvmc_vld xvmc_pro
fi

enabled xvmc_pro && enable xvmc_vld

# Can only do Mac accel on Mac platform
enabled dvdv && test $target_os = darwin || disable dvdv

# CoreVideo in only available on Mac OS 10.4, or on 10.3 with QuickTime 7.
# This checks for it, and some other calls that the module needs
if test $target_os = darwin; then
    cat > $TMPC << EOF
#include <QuartzCore/CVDisplayLink.h>
#include <AGL/agl.h>
int main( void ) { return aglGetCGLContext(0,0L); }
EOF
    if $cc -o $TMPE $TMPC -framework AGL > /dev/null 2>&1; then
        mac_corevideo="yes"
    fi
fi

# Ubuntu Dapper installs NVIDIA GL headers to a weird location in order
# not to overwrite the headers installed from Mesa, etc. We need to
# add that path to include paths if that's the case.
if test -d ${sysroot}/usr/share/doc/nvidia-glx-dev/include; then
    append CONFIG_INCLUDEPATH "${sysroot}/usr/share/doc/nvidia-glx-dev/include"
fi

# Same for Debian Sid.
if test -d ${sysroot}/usr/share/nvidia/include/GL; then
    append CONFIG_INCLUDEPATH "${sysroot}/usr/share/nvidia/include"
fi

check_foo_config directfb directfb directfb.h DirectFBInit

if enabled directfb; then
    CONFIG_DIRECTFB_LIBS=`directfb-config --libs`
    CONFIG_DIRECTFB_CXXFLAGS=`directfb-config --cflags`
fi

if test $target_os = darwin; then
    # So far, only OS X 10.4 has this as a non-private framework
    if test -d /System/Library/Frameworks/DiskArbitration.framework/Headers ; then
        darwin_da="yes"
    fi
fi

if enabled small; then
    add_optflags $size_cflags
    optimizations="small"
elif enabled optimizations; then
    add_optflags $speed_cflags
fi
check_cflags -fno-math-errno
check_cflags -fno-signed-zeros

if enabled icc; then
    # 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
    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
    enable ebp_available
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
elif enabled gcc; then
    check_cflags -fno-tree-vectorize
elif enabled clang; then
    check_cflags -Qunused-arguments
elif enabled armcc; then
    # 2523: use of inline assembler is deprecated
    add_cflags -Wrvct,--diag_suppress=2523
elif enabled tms470; then
    add_cflags -pds=824 -pds=837
fi

if enabled gprof; then
    add_cflags  -p
    add_ldflags -p
fi

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

enabled_any $DECODER_LIST      && enable decoders
enabled_any $ENCODER_LIST      && enable encoders
enabled_any $HWACCEL_LIST      && enable hwaccels
enabled_any $BSF_LIST          && enable bsfs
enabled_any $DEMUXER_LIST      && enable demuxers
enabled_any $MUXER_LIST        && enable muxers
enabled_any $FILTER_LIST       && enable filters
enabled_any $INDEV_LIST        && enable indevs
enabled_any $OUTDEV_LIST       && enable outdevs
enabled_any $PROTOCOL_LIST     && enable protocols

enabled_any $THREADS_LIST      && enable threads

check_deps $CONFIG_LIST       \
           $CONFIG_EXTRA      \
           $HAVE_LIST         \
           $DECODER_LIST      \
           $ENCODER_LIST      \
           $HWACCEL_LIST      \
           $PARSER_LIST       \
           $BSF_LIST          \
           $DEMUXER_LIST      \
           $MUXER_LIST        \
           $FILTER_LIST       \
           $INDEV_LIST        \
           $OUTDEV_LIST       \
           $PROTOCOL_LIST     \
           $MYTHTV_LIST       \
           $MYTHTV_CONFIG_LIST \
           $USING_LIST        \

if enabled x86 && (disabled mmx && ! enabled disable_mmx_for_debugging); then
    die "ERROR: MMX disabled on x86, MythTV will be very slow.\n\tDisable this check with --enable-disable-mmx-for-debugging"
fi

enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST

echo "# Basic Settings"
echo "Compile type              $compile_type"
echo "Compiler cache            $ccache$ccache_txt"
echo "DistCC                    $distcc$distcc_txt"
echo "qmake                     $(which $qmake)"
echo "install prefix            $prefix"
echo "runtime prefix            $runprefix"
<<BLOCK_QUOTE
echo "source path               $source_path"
echo "C compiler                $cc"
echo ".align is power-of-two    $asmalign_pot"
echo "ARCH                      $arch ($cpu)"
BLOCK_QUOTE
if enabled cpu_override && test x"$cpu" != x"generic"; then
    echo "CPU                       $arch $subarch ($cpu)"
elif test x"$processor" != x"" ; then
    echo "CPU                       $arch $subarch ($processor)"
elif test x"$arch_raw" != x"" ; then
    echo "CPU                       $arch $subarch ($arch_raw)"
else
    echo "CPU                       $arch $subarch"
fi
<<BLOCK_QUOTE
if test "$build_suffix" != ""; then
    echo "build suffix              $build_suffix"
fi
BLOCK_QUOTE
if test "$extra_version" != ""; then
    echo "version string suffix     $extra_version"
fi
echo "big-endian                ${bigendian-no}"
echo "runtime cpu detection     ${runtime_cpudetect-no}"
if enabled x86; then
    echo "yasm                      ${yasm-no}"
    echo "MMX enabled               ${mmx-no}"
    echo "MMX2 enabled              ${mmx2-no}"
    echo "3DNow! enabled            ${amd3dnow-no}"
    echo "3DNow! extended enabled   ${amd3dnowext-no}"
    echo "SSE enabled               ${sse-no}"
    echo "SSSE3 enabled             ${ssse3-no}"
    echo "CMOV enabled              ${cmov-no}"
<<BLOCK_QUOTE
    echo "CMOV is fast              ${fast_cmov-no}"
    echo "EBX available             ${ebx_available-no}"
    echo "EBP available             ${ebp_available-no}"
    echo "10 operands supported     ${ten_operands-no}"
BLOCK_QUOTE
fi
if enabled arm; then
    echo "ARMv5TE enabled           ${armv5te-no}"
    echo "ARMv6 enabled             ${armv6-no}"
    echo "ARMv6T2 enabled           ${armv6t2-no}"
    echo "ARM VFP enabled           ${armvfp-no}"
    echo "IWMMXT enabled            ${iwmmxt-no}"
    echo "NEON enabled              ${neon-no}"
fi
if enabled mips; then
    echo "MMI enabled               ${mmi-no}"
fi
if enabled ppc; then
    echo "AltiVec enabled           ${altivec-no}"
    echo "PPC 4xx optimizations     ${ppc4xx-no}"
    echo "dcbzl available           ${dcbzl-no}"
    echo "performance report        ${powerpc_perf-no}"
fi
if enabled sparc; then
    echo "VIS enabled               ${vis-no}"
fi
<<BLOCK_QUOTE
echo "gprof enabled             ${gprof-no}"
echo "debug symbols             ${debug-no}"
echo "strip symbols             ${stripping-no}"
echo "optimizations             ${optimizations-no}"
echo "static                    ${static-no}"
echo "shared                    ${shared-no}"
echo "postprocessing support    ${postproc-no}"
echo "new filter support        ${avfilter-no}"
echo "filters using lavformat   ${avfilter_lavf-no}"
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}"
echo "libdc1394 support         ${libdc1394-no}"
echo "libdirac enabled          ${libdirac-no}"
echo "libfaac enabled           ${libfaac-no}"
echo "libfaad enabled           ${libfaad-no}"
echo "libfaad dlopened          ${libfaadbin-no}"
echo "libgsm enabled            ${libgsm-no}"
echo "libmp3lame enabled        ${libmp3lame-no}"
echo "libnut enabled            ${libnut-no}"
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
echo "libopenjpeg enabled       ${libopenjpeg-no}"
echo "libschroedinger enabled   ${libschroedinger-no}"
echo "libspeex enabled          ${libspeex-no}"
echo "libtheora enabled         ${libtheora-no}"
echo "libvorbis enabled         ${libvorbis-no}"
echo "libx264 enabled           ${libx264-no}"
echo "libxvid enabled           ${libxvid-no}"
echo "zlib enabled              ${zlib-no}"
echo "bzlib enabled             ${bzlib-no}"
echo

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

license="LGPL version 2.1 or later"
if enabled nonfree; then
    license="nonfree and unredistributable"
elif enabled gplv3; then
    license="GPL version 3 or later"
elif enabled lgplv3; then
    license="LGPL version 3 or later"
elif enabled gpl; then
    license="GPL version 2 or later"
fi

echo "License: $license"
BLOCK_QUOTE

echo
if enabled frontend; then
  echo "# Input Support"
  echo "Joystick menu             ${joystick_menu-no}"
  echo "lirc support              ${lirc-no}"
  if test x"$target_os" = x"darwin" ; then
    echo "Apple Remote              ${appleremote-no}"
  fi
fi

#ignore
# 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
    "
fi

enabled stripping || strip="echo skipping strip"

if enabled backend; then
  echo "Video4Linux sup.          ${v4l-no}"
  echo "ivtv support              ${ivtv-no}"
  echo "HD-PVR support            ${hdpvr-no}"
  echo "FireWire support          ${firewire-no}"
  echo "DVB support               ${dvb-no} [$dvb_path]"
  echo "DVB-S2 support            ${fe_can_2g_modulation-no}"
  echo "HDHomeRun support         ${hdhomerun-no}"
  echo "IPTV support              ${iptv-no}"
fi

if enabled frontend; then
  echo
  echo "# Sound Output Support"
  echo "PulseAudio support        ${audio_pulseoutput-no}"
  echo "OSS support               ${audio_oss-no}"
  echo "ALSA support              ${audio_alsa-no}"
  echo "JACK support              ${audio_jack-no}"
  if test x"$target_os" = x"mingw32" ; then
    echo "Windows (Windows audio)   yes"
    echo "Windows (DirectX)         yes"
  fi
  echo "libfftw3 support          ${libfftw3-no}"
  echo
  echo "# Video Output Support"
  echo "x11 support               ${x11-no}"
if enabled x11 ; then
  echo "xrandr support            ${xrandr-no}"
  echo "xv support                ${xv-no}"
  echo "XvMC support              ${xvmc-no}"
  echo "XvMC VLD support          ${xvmc_vld-no}"
  echo "XvMC pro support          ${xvmc_pro-no}"
if test "$VENDOR_XVMC_LIBS" != "" ; then
  echo "XvMC libs                 $VENDOR_XVMC_LIBS"
fi
  echo "VDPAU support             ${vdpau-no}"
fi
  echo "OpenGL video              ${opengl_video-no}"
  if test x"$target_os" = x"darwin" ; then
    echo "Mac acceleration          ${dvdv-no}"
  fi
  echo "OpenGL vsync              ${opengl_vsync-no}"
  echo "DirectFB                  ${directfb-no}"
  if test x"$target_os" = x"mingw32" ; then
    echo "Windows (Direct3D)        yes"
  fi
  echo "Fribidi formatting        ${fribidi}"
  echo "MHEG support              ${mheg}"
  echo
fi

echo "# Misc Features"
echo "multi threaded libavcodec ${threads-no}"
echo "Frontend                  ${frontend-no}"
echo "Backend                   ${backend-no}"
echo

echo "# Bindings"
echo "bindings_perl             ${bindings_perl-no}"
if test x"$PERL_CONFIG_OPTS" != x""; then
  echo "Perl config options       $PERL_CONFIG_OPTS"
fi
echo "bindings_python           ${bindings_python-no}"
echo ""

MYTH_CONFIG_H=libs/libmythdb/mythconfig.h
MYTH_CONFIG_MAK=libs/libmythdb/mythconfig.mak
echo "Creating $MYTH_CONFIG_H and $MYTH_CONFIG_MAK"

date >> config.log
echo "   $0 $FFMPEG_CONFIGURATION" >> config.log

cat > libs/libmythdb/mythconfig.mak <<EOF
# Automatically generated by configure - do not modify!
MYTHTV_CONFIG_MAK=1
FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
PREFIX=$prefix
prefix=$prefix
LIBDIRNAME=$libdir_name
LIBDIR=$libdir
SHLIBDIR=$shlibdir
SRC_PATH="$source_path"
SRC_PATH_BARE=$source_path
BUILD_ROOT="$PWD"
ARCH=$arch
CC=$cc
AS=$as
QMAKE_CC=$cc
QMAKE_CXX=$cxx
QMAKE_LINK=$cxx
PYTHON=$python
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=$CC_O
PROFILEFLAGS=$PROFILEFLAGS
OPTFLAGS=$OPTFLAGS
ECFLAGS=$CFLAGS $ECFLAGS
ECXXFLAGS=$ECXXFLAGS
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

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

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

enabled shared && cat >> libs/libmythdb/mythconfig.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


echo "RUNPREFIX=$runprefix" >> $MYTH_CONFIG_MAK
echo "SYSROOT=$sysroot" >> $MYTH_CONFIG_MAK

if enabled audio_oss; then
    append CCONFIG "using_oss"
fi

if enabled audio_alsa; then
    append CCONFIG "using_alsa"
  echo "CONFIG_AUDIO_ALSA_LIBS=$audio_alsa_libs" >> $MYTH_CONFIG_MAK
fi

if enabled audio_pulse; then
  append CCONFIG "using_pulse"
  echo "CONFIG_AUDIO_PULSE_LIBS=$audio_pulse_libs" >> $MYTH_CONFIG_MAK
fi

if enabled audio_jack; then
    append CCONFIG "using_jack"
  echo "CONFIG_AUDIO_JACK_LIBS=$audio_jack_libs" >> $MYTH_CONFIG_MAK
fi

if enabled darwin_da; then
  append CCONFIG "darwin_da"
  echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> $MYTH_CONFIG_MAK
fi

if enabled audio_pulseoutput; then
  append CCONFIG "using_pulseoutput"
  echo "CONFIG_AUDIO_PULSE_LIBS=$audio_pulse_libs" >> $MYTH_CONFIG_MAK
fi

if enabled freetype2; then
    echo "HAVE_FREETYPE2=yes" >> $MYTH_CONFIG_MAK
    echo "FREETYPE_CFLAGS=`freetype-config --cflags`" >> $MYTH_CONFIG_MAK
    echo "FREETYPE_LIBS=`freetype-config --libs`" >> $MYTH_CONFIG_MAK
fi

if enabled fribidi; then
    echo "FRIBIDI_LIBS=`${FRIBIDI_CONFIG} --libs`" >> $MYTH_CONFIG_MAK
    echo "FRIBIDI_CFLAGS=`${FRIBIDI_CONFIG} --cflags`" >> $MYTH_CONFIG_MAK
fi

if test $target_os = darwin; then
  # Qt, by default builds .app bundles everywhere. Prevent this.
  enabled mac_bundle || echo "CONFIG -= app_bundle" >> $MYTH_CONFIG_MAK
fi

enabled asmalign_pot || align_shift="1 <<"

cat > $TMPH <<EOF
/* Automatically generated by configure - do not modify! */
#ifndef MYTHTV_CONFIG_H
#define MYTHTV_CONFIG_H
#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
#define FFMPEG_LICENSE "$(c_escape $license)"
#define FFMPEG_DATADIR "$(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}
#define SIZEOF_INT $_sizeof_int
#define SIZEOF_LONG $_sizeof_long
EOF

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

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

if enabled mac_corevideo; then
  append CCONFIG "using_corevideo"
fi

if enabled cygwin ; then
  echo "#ifndef llrint" >> $TMPH
  echo "#define llrint llrint  // make sure not to define twice" >> $TMPH
  echo "static inline long long int llrint (double x)" >> $TMPH
  echo "{" >> $TMPH
  echo "    long long int llrintres;" >> $TMPH
  echo "    asm" >> $TMPH
  echo "    (\"fistpll %0\"" >> $TMPH
  echo "    : \"=m\" (llrintres) : \"t\" (x) : \"st\");" >> $TMPH
  echo "    return llrintres;" >> $TMPH
  echo "}" >> $TMPH
  echo "#endif" >> $TMPH
fi

print_config ARCH_   $TMPH $MYTH_CONFIG_MAK $ARCH_LIST
print_config HAVE_   $TMPH $MYTH_CONFIG_MAK $HAVE_LIST
print_config CONFIG_ $TMPH $MYTH_CONFIG_MAK $CONFIG_LIST   \
                                      $CONFIG_EXTRA      \
                                      $DECODER_LIST      \
                                      $ENCODER_LIST      \
                                      $HWACCEL_LIST      \
                                      $PARSER_LIST       \
                                      $BSF_LIST          \
                                      $DEMUXER_LIST      \
                                      $MUXER_LIST        \
                                      $FILTER_LIST       \
                                      $PROTOCOL_LIST     \
                                      $INDEV_LIST        \
                                      $OUTDEV_LIST       \
                                      $MYTHTV_LIST       \
                                      $MYTHTV_CONFIG_LIST \

<<BLOCKQUOTE
echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
BLOCKQUOTE

for opt in $MYTHTV_CONFIG_LIST $USING_LIST; do
    enabled $opt && append CCONFIG "using_$opt"
done

enabled threads && append CCONFIG "using_ffmpeg_threads"

if disabled frontend; then
    echo
    echo "WARNING: --disable-frontend is only intended to aid porting."
    echo "WARNING: THIS WILL BREAK THINGS. You are on your own now."
fi

if disabled backend; then
    echo
    echo "WARNING: --disable-backend is only intended to aid porting."
    echo "WARNING: You are on your own now."
fi

if enabled proc_opt; then
    echo
    echo "WARNING: When using --enable-proc-opt you must include the "
    echo "         output of ./configure along with any bug report."
fi

if enabled cpu_override; then
    echo
    echo "WARNING: When using --arch=X or --cpu=X you must include the "
    echo "         output of ./configure along with any bug report."
fi

echo # add a newline after any warnings.

if enabled mmx; then
  CONFIG_DEFINES="$CONFIG_DEFINES MMX"
  if enabled x86_32 ; then
    CONFIG_DEFINES="$CONFIG_DEFINES i386"
  fi
fi

if enabled firewire; then
  if test $target_os = darwin; then
      echo "CONFIG_MAC_AVC=$mac_avc" >>  $MYTH_CONFIG_MAK
  else
      echo "CONFIG_FIREWIRE_LIBS=-lraw1394 -liec61883 -lavc1394 -lrom1394" >>  $MYTH_CONFIG_MAK
      if enabled libavc_5_3; then
        append CCONFIG "using_libavc_5_3"
      fi
  fi
fi

if enabled iptv; then
    append CCONFIG "using_live"
fi

if enabled mheg; then
    append CCONFIG "using_mheg"
fi

if enabled appleremote; then
  append CONFIG_DEFINES "USING_APPLEREMOTE"
fi

if enabled dvb; then
  append CONFIG_INCLUDEPATH "$dvb_path"
fi

if enabled x11; then
  echo "CONFIG_X11_LIBS=-lXinerama -lX11 -lXext -lXxf86vm" >> $MYTH_CONFIG_MAK
  if [ -d $x11_path ] ; then
    append CONFIG_INCLUDEPATH "$x11_path"
  fi
fi

if enabled xv; then
  echo "CONFIG_XV_LIBS=-lXv" >> $MYTH_CONFIG_MAK
fi

if enabled xrandr; then
  echo "CONFIG_XRANDR_LIBS=-lXrandr" >> $MYTH_CONFIG_MAK
fi

if enabled xvmc; then
  echo "CONFIG_XVMC_LIBS=$VENDOR_XVMC_LIBS -lXvMC" >> $MYTH_CONFIG_MAK
fi

if enabled directfb; then
  echo "CONFIG_DIRECTFB_LIBS=$CONFIG_DIRECTFB_LIBS" >> $MYTH_CONFIG_MAK
  echo "CONFIG_DIRECTFB_CXXFLAGS=$CONFIG_DIRECTFB_CXXFLAGS" >> $MYTH_CONFIG_MAK
fi

if ! enabled darwin && enabled opengl; then
  echo "CONFIG_OPENGL_LIBS=-lGL -lGLU" >> $MYTH_CONFIG_MAK
fi

if test x"$PERL_CONFIG_OPTS" != x"" ; then
  echo "PERL_CONFIG_OPTS=$PERL_CONFIG_OPTS" >> $MYTH_CONFIG_MAK
fi

if test x"$CCONFIG" != x"" ; then
  echo "CCONFIG=$CCONFIG" >> $MYTH_CONFIG_MAK
  echo "#define MYTH_BUILD_CONFIG \"$CCONFIG\"" >>$TMPH
fi

if test x"$CONFIG_DEFINES" != x"" ; then
  echo "CONFIG_DEFINES=$CONFIG_DEFINES" >> $MYTH_CONFIG_MAK
fi

if test x"$CONFIG_INCLUDEPATH" != x"" ; then
  echo "CONFIG_INCLUDEPATH=$CONFIG_INCLUDEPATH" >> $MYTH_CONFIG_MAK
fi

if test x"$GCC_MAJOR" != x"" ; then
  echo "GCC_MAJOR=$GCC_MAJOR" >> $MYTH_CONFIG_MAK
fi

if test x"$GCC_MINOR" != x"" ; then
  echo "GCC_MINOR=$GCC_MINOR" >> $MYTH_CONFIG_MAK
fi

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

cat <<EOF >> $MYTH_CONFIG_MAK
# HACK: If Qt 4 and MythTV's installed library dirs are the same, remove the
#       -L from early in the link line, to ignore any old installed libmyth*
# Note: Qt uses QMAKE_INCDIR_QT to build an absolute path for include
#       directories, it cannot be modified.
QMAKE_LIBDIR_QT -= $libdir
LATE_LIBS            += -L$libdir
EOF

diff $TMPH $MYTH_CONFIG_H >/dev/null 2>&1
if test $? -ne 0 ; then
  mv -f $TMPH $MYTH_CONFIG_H
  rm -f config.h
else
  echo "$MYTH_CONFIG_H is unchanged"
fi

if ! test -L config.h ; then
  ln -s $MYTH_CONFIG_H config.h
fi

if [ ! -e config.h ] ; then
  ln -s $MYTH_CONFIG_H config.h
fi

rm -f config.mak
ln -s $MYTH_CONFIG_MAK config.mak

# delete old myth config files in old location
if [ -e libs/libmyth/mythconfig.mak ] ; then
    rm -f libs/libmyth/mythconfig.mak
fi
if [ -e /libs/libmyth/mythconfig.h ] ; then
    rm -f libs/libmyth/mythconfig.h
fi

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 libs/libavutil/avconfig.h

rm -f $TMPC $TMPE $TMPH $TMPO $TMPS $TMPSH
rm -f $TMPCXX

# Create a special cleanup makefile that will allow make clean to work
if [ ! -e config ] ; then
  mkdir config
fi
cat - > config/Makefile <<END

all:
qmake_all:
	\$(NONE)

clean:
	\$(NONE)

install:
	\$(NONE)

# Hack to remove some empty directories that qmake doesn't create rules for
uninstall:
	-rmdir \$(INSTALL_ROOT)/$prefix/include/mythtv
	-rmdir \$(INSTALL_ROOT)/$prefix/lib/mythtv
	-rmdir \$(INSTALL_ROOT)/$prefix/share/mythtv

distclean: clean
	-rm -f ../$MYTH_CONFIG_MAK  ../config.mak
	-rm -f ../$MYTH_CONFIG_H    ../config.h
	-rm -f ../Makefile          ../config.err
	-rm -f ../libs/libavutil/avconfig.h

END

$qmake QMAKE=$(which $qmake) mythtv.pro