#!/bin/sh
#
# MythTV configure script, based on the FFmpeg configure script
#
# Copyright (c) 2000, 2001, 2002 Fabrice Bellard
# Copyright (c) 2005-2006 Diego Biurrun
# Copyright (c) 2005-2006 Mans Rullgard
#

# 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(){
  echo "Usage: configure [options]"
  echo "Options: [defaults in brackets after descriptions]"
  echo
  echo "Standard options:"
  echo "  --help                   print this message"
  #echo "  --log[=FILE|yes|no]      log tests and output to FILE [config.err]"
  echo "  --previous               use previous configure parameters if possible"
  echo "  --compile-type=CTYPE     one of release, profile, debug [$compile_type]"
  echo "                           NOTE: profile is for sampling profilers"
  echo "  --prefix=PREFIX          install in PREFIX [$PREFIX]"
  echo "  --libdir-name=LIBNAME    search/install libraries in PREFIX/LIBNAME [$libdir_name]"
  echo "  --disable-ccache         disable compiler cache (ccache)"
  echo "  --disable-distcc         disable distributed compilation (distcc)"
<<BLOCK_QUOTE
  echo "  --libdir=DIR             install libs in DIR [PREFIX/lib]"
  echo "  --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]"
  echo "  --incdir=DIR             install includes in DIR [PREFIX/include/ffmpeg]"
  echo "  --mandir=DIR             install man page in DIR [PREFIX/share/man]"
  echo "  --enable-static          build static libraries [default=yes]"
  echo "  --disable-static         do not build static libraries [default=no]"
  echo "  --enable-shared          build shared libraries [default=no]"
  echo "  --disable-shared         do not build shared libraries [default=yes]"
  echo "  --enable-gpl             allow use of GPL code, the resulting libav*"
  echo "                           and ffmpeg will be under GPL [default=no]"
  echo "  --enable-pp              enable GPLed postprocessing support [default=no]"
  echo "  --enable-swscaler        software scaler support [default=no]"
  echo "  --enable-beosthreads     use BeOS threads [default=no]"
  echo "  --enable-pthreads        use pthreads [default=no]"
  echo "  --enable-w32threads      use Win32 threads [default=no]"
  echo "  --enable-x11grab         enable X11 grabbing [default=no]"
  echo
  echo "External library support:"
  echo "  --enable-sunmlib         use Sun medialib [default=no]"
  echo "  --enable-liba52          enable GPLed liba52 support [default=no]"
  echo "  --enable-liba52bin       open liba52.so.0 at runtime [default=no]"
  echo "  --enable-avisynth        allow reading AVISynth script files [default=no]"
  echo "  --enable-libamr-nb       enable libamr-nb floating point audio codec"
  echo "  --enable-libamr-wb       enable libamr-wb floating point audio codec"
  echo "  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394"
  echo "                           and libraw1394 [default=no]"
  echo "  --enable-libfaac         enable FAAC support via libfaac [default=no]"
  echo "  --enable-libfaad         enable FAAD support via libfaad [default=no]"
  echo "  --enable-libfaadbin      open libfaad.so.0 at runtime [default=no]"
  echo "  --enable-libgsm          enable GSM support via libgsm [default=no]"
  echo "  --enable-libmp3lame      enable MP3 encoding via libmp3lame [default=no]"
  echo "  --enable-libnut          enable NUT (de)muxing via libnut,"
  echo "                           native demuxer exists [default=no]"
  echo "  --enable-libtheora       enable Theora encoding via libtheora [default=no]"
  echo "  --enable-libvorbis       enable Vorbis encoding via libvorbis,"
  echo "                           native implementation exists [default=no]"
  echo "  --enable-libx264         enable H.264 encoding via x264 [default=no]"
  echo "  --enable-libxvid         enable Xvid encoding via xvidcore,"
  echo "                           native MPEG-4/Xvid encoder exists [default=no]"
BLOCK_QUOTE
  echo ""
  echo "Advanced options (experts only):"
<<BLOCK_QUOTE
  echo "  --source-path=PATH       path to source code [$source_path]"
  echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
  echo "  --cross-compile          assume a cross-compiler is used"
  echo "  --target-os=OS           compiler targets OS [$targetos]"
  echo "  --cc=CC                  use C compiler CC [$cc]"
  echo "  --make=MAKE              use specified make [$make]"
BLOCK_QUOTE
  echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
  echo "  --extra-cxxflags=ECXFLAGS add ECXXFLAGS to list of flags for C++ compile"
  echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
  echo "  --enable-symbol-visibility enables symbol visibility options"
<<BLOCK_QUOTE
  echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
  echo "  --build-suffix=SUFFIX    suffix for application specific build []"
BLOCK_QUOTE
  echo "  --arch=ARCH              select architecture  [$arch]"
  echo "  --tune=CPU               tune instruction usage for a particular CPU [$tune]"
  echo "  --cpu=CPU                selects the minimum cpu required (affects"
  echo "                           instruction selection, may crash on older CPUs)"
<<BLOCK_QUOTE
  echo "  --enable-powerpc-perf    enable performance report on PPC"
  echo "                           (requires enabling PMC)"
BLOCK_QUOTE
  echo "  --enable-proc-opt        enable processor specific compilation"
  echo "  --disable-mmx            disable MMX usage"
<<BLOCK_QUOTE
  echo "  --disable-armv5te        disable armv5te usage"
  echo "  --disable-armv6          disable armv6 usage"
  echo "  --disable-iwmmxt         disable iwmmxt usage"
  echo "  --disable-altivec        disable AltiVec usage"
BLOCK_QUOTE
  echo "Advanced features (experts only):"
  echo "  --disable-audio-oss      disable OSS audio support"
  echo "  --disable-audio-alsa     disable ALSA audio support"
  echo "  --disable-audio-arts     disable aRts audio support"
  echo "  --disable-audio-jack     disable JACK audio support"
  echo "  --enable-valgrind        disables timeouts for valgrind memory debugging"
  # Don't print disable frontend/backend options, these
  # cause breakage and people use them inappropriately. -- dtk
  #echo "  --disable-frontend       disable frontend [breaks dependency checking, previews]"
  #echo "  --disable-backend        disable backend  [breaks dependency checking]"
  echo "  --disable-lirc           disable lirc support (Infrared Remotes)"
  echo "  --disable-joystick-menu  disable joystick menu"
  echo "  --disable-firewire       disable support for FireWire cable boxes"
  echo "  --disable-iptv           disable support for recording RTSP/UDP/RTP streams"
  echo "  --disable-dbox2          disable support for Nokia DBOX2 DVB boxes (or compatibles)"
  echo "  --disable-hdhomerun      disable support for HDHomeRun boxes"
  echo "  --disable-v4l            disable Video4Linux support"
  echo "  --disable-ivtv           disable ivtv support (PVR-x50) req. v4l support"
  echo "  --disable-dvb            disable DVB support"
  echo "  --dvb-path=HDRLOC        location of directory containing"
  echo "                           'linux/dvb/frontend.h', not the"
  echo "                           directory with frontend.h [$dvb_path]"
  echo "  --disable-x11            disable X11 support"
  echo "  --x11-path=X11LOC        location of X11 include files [$x11_include_path-path]"
  echo "  --disable-xrandr         disable X11 resolution switching"
  echo "  --disable-xv             disable XVideo   (X11 video output accel.)"
  echo "  --disable-xvmc           disable XvMC     (Linux/BSD MPEG accel.)"
  echo "  --disable-xvmcw          disable XvMC Wrapper, use --xvmc-lib if autodetection fails"
  echo "  --enable-xvmc-pro        enable XvMC for the unichrome pro (NOT unichrome) chipset"
  echo "  --enable-xvmc-opengl     enable nVidia XvMC OpenGL texture method"
  echo "  --xvmc-lib=LIB           XvMC library override (for crosscompiling)"
  #echo "  --disable-xvmc-vld       disable XvMC-VLD (VIA Epia MPEG accel.)"
  echo "  --enable-opengl-video    enable OpenGL based video display "
  echo "  --enable-mac-accel       enable Mac OS X MPEG acceleration"
  echo "  --enable-opengl-vsync    enable OpenGL vsync method"
  echo "  --disable-directfb       disable DirectFB (Linux non-X11 video)"
  echo "  --enable-directx         enable DirectX   (Microsoft video)"
  echo ""
  echo "  --enable-mac-bundle      produce standalone OS X apps (e.g. mythfrontend.app)"
  echo ""
  echo "  --with-bindings=LIST     install the bindings specified in the"
  echo "                           comma-separated list"
  echo "                           Supported bindings: perl, python"
<<BLOCK_QUOTE
  echo "  --disable-network        disable network support [default=no]"
  echo "  --disable-ipv6           disable ipv6 support [default=no]"
  echo "  --disable-zlib           disable zlib [default=no]"
  echo "  --disable-vhook          disable video hooking support"
  echo "  --disable-debug          disable debugging symbols"
  echo "  --disable-mpegaudio-hp   faster (but less accurate)"
  echo "                           MPEG audio decoding [default=no]"
  echo "  --enable-gray            enable full grayscale support (slower color)"
  echo "  --disable-ffmpeg         disable ffmpeg build"
  echo "  --disable-ffserver       disable ffserver build"
  echo "  --disable-ffplay         disable ffplay build"
  echo "  --enable-small           optimize for size instead of speed"
  echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
  echo "  --disable-encoder=NAME   disables encoder NAME"
  echo "  --enable-encoder=NAME    enables encoder NAME"
  echo "  --disable-decoder=NAME   disables decoder NAME"
  echo "  --enable-decoder=NAME    enables decoder NAME"
  echo "  --disable-encoders       disables all encoders"
  echo "  --disable-decoders       disables all decoders"
  echo "  --disable-muxer=NAME     disables muxer NAME"
  echo "  --enable-muxer=NAME      enables muxer NAME"
  echo "  --disable-muxers         disables all muxers"
  echo "  --disable-demuxer=NAME   disables demuxer NAME"
  echo "  --enable-demuxer=NAME    enables demuxer NAME"
  echo "  --disable-demuxers       disables all demuxers"
  echo "  --enable-parser=NAME     enables parser NAME"
  echo "  --disable-parser=NAME    disables parser NAME"
  echo "  --disable-parsers        disables all parsers"
  echo "  --enable-bsf=NAME        enables bitstream filter NAME"
  echo "  --disable-bsf=NAME       disables bitstream filter NAME"
  echo "  --disable-bsfs           disables all bitstream filters"
  echo "  --enable-protocol=NAME   enables protocol NAME"
  echo "  --disable-protocol=NAME  disables protocol NAME"
  echo "  --disable-protocols      disables all protocols"
  echo "  --list-decoders          show all available decoders"
  echo "  --list-encoders          show all available encoders"
  echo "  --list-muxers            show all available muxers"
  echo "  --list-demuxers          show all available demuxers"
  echo "  --list-parsers           show all available parsers"
  echo "  --list-protocols         show all available protocols"
  echo "  --list-bsfs              show all available bitstream filters"
  echo
  echo "Developer options (useful when working on FFmpeg itself):"
  echo "  --enable-gprof           enable profiling with gprof [$gprof]"
  echo "  --disable-optimizations  disable compiler optimizations"
  echo "  --enable-extra-warnings  enable more compiler warnings"
  echo "  --disable-strip          disable stripping of executables and shared libraries"
  echo ""
  echo "NOTE: Object files are built at the place where configure is launched."
BLOCK_QUOTE
  exit 1
}

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

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

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

die(){
    echolog "$@"
    cat <<EOF
If you think configure made a mistake, make sure you are using the latest
version from SVN.  If the latest version fails, report the problem to the
mythtv-dev@mythtv.org mailing list or IRC #mythtv on irc.freenode.net
EOF
    if enabled logging; then
        cat <<EOF
Include the log file "$logfile" produced by configure as this will help
solving the problem.
EOF
    else
cat <<EOF
Rerun configure with logging enabled (do not use --log=no), and include the
log this produces with your report.
EOF
    fi
    rm -f $TMPC $TMPCXX $TMPO $TMPE $TMPS $TMPH
    exit 1
}

# "tr '[a-z]' '[A-Z]'" is a workaround for Solaris tr not grokking "tr a-z A-Z"
toupper(){
    echo "$@" | tr '[a-z]' '[A-Z]'
}

tolower(){
    echo "$@" | tr '[A-Z]' '[a-z]'
}

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

enabled(){
    eval test "x\$$1" = "xyes"
}

disabled(){
    eval test "x\$$1" = "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
}

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

check_deps(){
    for cfg; do
        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"

        pushvar cfg dep_all dep_any
        check_deps $dep_all $dep_any
        popvar cfg dep_all dep_any

        enabled_all $dep_all || disable $cfg
        enabled_any $dep_any || disable $cfg

        if enabled $cfg; then
            eval dep_extralibs="\$${cfg}_extralibs"
            test -n "$dep_extralibs" && add_extralibs $dep_extralibs
        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" >> $header
            echo "#define ENABLE_${ucname} 1" >> $header
            echo "${pfx}${ucname}=yes" >> $makefile
        else
            echo "#define ENABLE_${ucname} 0" >> $header
        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_cflags(){
    append CFLAGS "$@"
}

add_ecflags(){
    append ECFLAGS "$@"
}

add_optflags(){
    append OPTFLAGS "$@"
}

add_archflags(){
    append ARCHFLAGS "$@"
}

add_cppflags(){
    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 $CFLAGS $ECFLAGS $OPTFLAGS "$@" -c -o $TMPO $TMPC
}

check_cpp(){
    log check_cpp "$@"
    cat >$TMPCXX
    log_file $TMPCXX
    check_cmd $cxx $CFLAGS $ECXXFLAGS "$@" -E -o $TMPO $TMPCXX
}

check_asm(){
    log check_asm "$@"
    name="$1"
    asm="$2"
    shift 2
    check_cc "$@" <<EOF && enable $name || disable $name
int foo(void){
    asm volatile($asm);
}
EOF
}

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

check_cflags(){
    log check_cflags "$@"
    check_cc "$@" <<EOF && add_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_archflags(){
    log check_archflags "$@"
    check_cc "$@" <<EOF && add_archflags "$@"
int x;
EOF
}

check_mtune_mcpu(){
    log check_mtune_mcpu "$@"
    cpu_type="$1"
    shift
    check_archflags "-mtune=$cpu_type" "$@" || check_archflags "-mcpu=$cpu_type" "$@"
}

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

check_ldflags(){
    log check_ldflags "$@"
    check_ld "$@" <<EOF && add_ldflags "$@"
int main(){
    return 0;
}
EOF
}

check_header(){
    log check_header "$@"
    header=$1
    shift
    var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
    disable $var
    check_cpp "$@" <<EOF && enable $var
#include <$header>
int x;
EOF
}

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

check_func2(){
    log check_func2 "$@"
    headers=$1
    func=$2
    shift 2
    disable $func
    incs=""
    for hdr in $headers; do
        incs="$incs
#include <$hdr>"
    done
    check_ld "$@" <<EOF && enable $func
$incs
int main(){
    (void) $func;
    return 0;
}
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="$2"
    shift 2
    temp_extralibs "$@"
    check_func2 "$headers" $func && add_extralibs "$@"
    err=$?
    restore_flags
    return $err
}

check_exec(){
    check_ld "$@" && { 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(){
    signal(SIGILL, sighandler);
    signal(SIGFPE, sighandler);
    signal(SIGSEGV, sighandler);
#ifdef SIGBUS
    signal(SIGBUS, sighandler);
#endif
    { $code }
}
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
}

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

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,athlon-fx,nocona"

x86_slow_cmov_cpus="pentium4,pentium4m,prescott,nocona"

x86_cmov_cpus="i686,pentiumpro,pentium2,pentium3,pentium3m,pentium-m,"
x86_cmov_cpus="$x86_cmov_cpus,athlon,athlon-xp,athlon-tbird,athlon-4,"
x86_cmov_cpus="$x86_cmov_cpus,athlon-mp,c3-2,$x86_slow_cmov_cpus"


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"
}

is_x86_cmov_cpu() {
    expr ",${x86_cmov_cpus}," : ".*,$1," > /dev/null || is_x86_64_cpu "$1"
}

is_x86_slow_cmov_cpu() {
    expr ",${x86_slow_cmov_cpus}," : ".*,$1," > /dev/null
}

COMPONENT_LIST="
    bsfs
    decoders
    demuxers
    encoders
    muxers
    parsers
    protocols
"

CONFIG_LIST="
    $COMPONENT_LIST
    avisynth
    beos_netserver
    darwin
    ffmpeg
    ffplay
    ffserver
    gpl
    gprof
    gray
    ipv6
    liba52
    liba52bin
    libamr
    libamr_nb
    libamr_wb
    libdc1394
    libfaac
    libfaad
    libfaadbin
    libgsm
    libmp3lame
    libnut
    libtheora
    libvorbis
    libx264
    libxvid
    memalign_hack
    mpegaudio_hp
    network
    powerpc_perf
    pp
    small
    swscaler
    vhook
    x11grab
    zlib
"

THREADS_LIST='
    beosthreads
    pthreads
    w32threads
'

ARCH_LIST='
    alpha
    armv4l
    bfin
    ia64
    m68k
    mips
    parisc
    powerpc
    s390
    sh4
    sparc
    sparc64
    x86
    x86_32
    x86_64
'

ARCH_EXT_LIST='
    altivec
    armv5te
    armv6
    iwmmxt
    mmi
    mmx
    ssse3
    vis
'

HAVE_LIST="
    $ARCH_EXT_LIST
    $THREADS_LIST
    altivec_h
    arpa_inet_h
    byteswap_h
    closesocket
    cmov
    conio_h
    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
    ebp_available
    ebx_available
    fast_64bit
    fast_cmov
    fast_unaligned
    fork
    freetype2
    ftime
    gethrtime
    getifaddrs
    GetProcessTimes
    getrusage
    gettimeofday
    imlib2
    inet_aton
    lrint
    lrintf
    machine_ioctl_bt848_h
    machine_ioctl_meteor_h
    malloc_h
    memalign
    mkstemp
    mlib
    ppc64
    round
    sdl
    sdl_video_size
    soundcard_h
    stdint_h
    sys_poll_h
    sys_soundcard_h
    termios_h
    threads
    winsock2_h
"

MYTHTV_CONFIG_LIST='
    backend
    dbox2
    directfb
    directx
    dvb
    firewire
    frontend
    hdhomerun
    iptv
    ivtv
    joystick_menu
    libfftw3
    lirc
    opengl_vsync
    opengl_video
    v4l
    valgrind
    x11
    xrandr
    xv
    xvmc
    xvmcw
    xvmc_opengl
    xvmc_vld
    dvdv
    fribidi
'

MYTHTV_LIST='
    audio_alsa
    audio_arts
    audio_jack
    audio_oss
    ffmpeg_pthreads
    mac_bundle
    proc_opt
    symbol_visibility
    xvmc_pro
'

USING_LIST='
    appleremote
    bindings_perl
    bindings_python
    darwin_da
    dvdv
    opengl
'

CMDLINE_SELECT="
    $ARCH_EXT_LIST
    $CONFIG_LIST
    $THREADS_LIST
    $MYTHTV_LIST
    $MYTHTV_CONFIG_LIST
    debug
    extra_warnings
    optimizations
    shared
    static
"

# code dependency declarations

# architecture extensions
altivec_deps="powerpc"
armv5te_deps="armv4l"
armv6_deps="armv4l"
iwmmxt_deps="armv4l"
mmi_deps="mips"
mmx_deps="x86"
ssse3_deps="x86"
vis_deps="sparc"

# decoders / encoders
ac3_decoder_deps="gpl"
dxa_decoder_deps="zlib"
flashsv_decoder_deps="zlib"
flashsv_encoder_deps="zlib"
flv_decoder_deps="h263_decoder"
h263_decoder_deps="h263_parser mpeg4video_parser"
h263i_decoder_deps="h263_decoder"
h264_decoder_deps="h264_parser"
mpeg_dvdv_decoder_deps="dvdv"
mpeg_xvmc_decoder_deps="xvmc"
mpeg_xvmc_vld_decoder_deps="xvmc_vld"
mpeg4_decoder_deps="h263_decoder"
msmpeg4v1_decoder_deps="h263_decoder"
msmpeg4v2_decoder_deps="h263_decoder"
msmpeg4v3_decoder_deps="h263_decoder"
png_decoder_deps="zlib"
png_encoder_deps="zlib"
snow_decoder_deps="disabled_in_mythtv"
svq3_decoder_deps="h264_parser"
vc1_decoder_deps="h263_decoder"
wmv1_decoder_deps="h263_decoder"
wmv2_decoder_deps="h263_decoder"
wmv3_decoder_deps="h263_decoder"
zmbv_decoder_deps="zlib"
zmbv_encoder_deps="zlib"

# external libraries
liba52_decoder_deps="liba52"
liba52bin_decoder_extralibs='$ldl'
libamr_nb_decoder_deps="libamr_nb"
libamr_nb_encoder_deps="libamr_nb"
libamr_wb_decoder_deps="libamr_wb"
libamr_wb_encoder_deps="libamr_wb"
libfaac_encoder_deps="libfaac"
libfaad_decoder_deps="libfaad"
libfaadbin_decoder_extralibs='$ldl'
libgsm_decoder_deps="libgsm"
libgsm_encoder_deps="libgsm"
libgsm_ms_decoder_deps="libgsm"
libgsm_ms_encoder_deps="libgsm"
libmp3lame_encoder_deps="libmp3lame"
libtheora_encoder_deps="libtheora"
libvorbis_encoder_deps="libvorbis"
libx264_encoder_deps="libx264"
libxvid_encoder_deps="libxvid"
mpeg4aac_decoder_deps="libfaad"

# demuxers / muxers
ac3_demuxer_deps="ac3_parser"
audio_beos_demuxer_deps="audio_beos"
audio_beos_demuxer_extralibs="-lmedia -lbe"
audio_beos_muxer_deps="audio_beos"
audio_beos_muxer_extralibs="-lmedia -lbe"
avisynth_demuxer_deps="avisynth"
bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
dv1394_demuxer_deps="dv1394"
libdc1394_demuxer_deps="libdc1394"
libnut_demuxer_deps="libnut"
libnut_muxer_deps="libnut"
mp3_demuxer_deps="mpegaudio_parser"
mpegtsraw_demuxer_deps="merge_libavformat_mpegts_c"
oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
oss_muxer_deps_any="soundcard_h sys_soundcard_h"
redir_demuxer_deps="network"
rtp_muxer_deps="network mpegts_demuxer"
rtsp_demuxer_deps="rtp_protocol rtp_muxer"
sdp_demuxer_deps="rtsp_demuxer"
v4l2_demuxer_deps="linux_videodev2_h"
v4l_demuxer_deps="linux_videodev_h"
x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
x11_grab_device_demuxer_extralibs="-lX11 -lXext"

# protocols
http_protocol_deps="network"
rtp_protocol_deps="udp_protocol"
tcp_protocol_deps="network"
udp_protocol_deps="network"

# programs
ffplay_deps="sdl"
ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
ffserver_extralibs='$ldl'
vhook_extralibs='$ldl'

# mythtv dependencies
audio_oss_deps_any="soundcard_h sys_soundcard_h"
dbox2_deps="backend"
dvb_deps="backend"
firewire_deps="backend"
iptv_deps="backend"
ivtv_deps="backend v4l"
hdhomerun_deps="backend"
opengl_deps="GL_gl_h"
opengl_deps_any="windows x11"
opengl_video_deps="opengl xv"
opengl_vsync_deps="opengl"
v4l_deps="backend"
xrandr_deps="x11"
xv_deps="x11"
xvmc_deps="xv X11_extensions_XvMClib_h"
xvmc_opengl_deps="opengl xvmc"
xvmc_pro_deps="xvmc X11_extensions_vldXvMC_h"
xvmc_vld_deps="xvmc X11_extensions_vldXvMC_h"
xvmcw_deps="xvmc"


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

TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
TMPCXX="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.cpp"
TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"

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

# installation paths
PREFIX="/usr/local"
libdir_name="lib"
libdir=""
shlibdir="$libdir"
incdir='$(PREFIX)/include/mythtv'
mandir='$(PREFIX)/share/man'
bindir='$(PREFIX)/bin'

# toolchain
cc="gcc"
cxx="g++"
ccache="yes"
distcc="yes"
ar="ar"
ranlib="ranlib"
make="make"
strip="strip"
asmalign_pot="unknown"
ln_s="ln -sf"

if test x"$CC" != x"" ; then
    cc="$CC"
fi

if test x"$CXX" != x"" ; then
    cxx="$CXX"
fi

# machine
arch=`uname -m`
arch_raw="$arch"
cpu="generic"
cpu_override="no"
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 
    if test x"$processor" = x"" -o x"$processor" = x"$arch_raw" -o \
            x"$processor" = x"unknown" -o x"$processor" = x"powerpc" ; then 
        processor=`/usr/bin/hostinfo | grep "Processor type:"` 
        processor=${processor#Processor type: *} 
        processor=${processor% (*} 
        if test x"`echo $processor | cut -c1-3`" = x"ppc" ; then
            tune=$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 
fi 

# OS
targetos=$(tolower $(uname -s))

# mythtv settings
CONFIG_DEFINES=""
CONFIG_INCLUDEPATH=""
PROFILEFLAGS=""
audio_alsa="default"
audio_alsa_libs="-lasound"
audio_arts="default"
audio_jack="default"
audio_jack_libs="-ljack"
enable audio_oss
bindings_perl="yes"
bindings_python="yes"
dbox2="yes"
directfb="yes"
dvb_path="/usr/include"
dvb="yes"
dvdv="no"
ffmpeg_pthreads="yes"
firewire="yes"
frontend="yes"
hdhomerun="yes"
iptv="yes"
ivtv="yes"
joystick_menu="default"
lamemp3="yes"
lirc="yes"
opengl="yes"
v4l="yes"
x11="yes"
x11_include_path="/usr/X11R6/include"
xrandr="yes"
xv="yes"
xvmc="yes"
xvmc_lib=""
xvmc_opengl="yes"
xvmc_vld="yes"
xvmcw="yes"

# libraries
enable zlib

# configurable options
enable dostrip
enable gpl
enable ipv6
enable shared
enable mpegaudio_hp
enable network
enable optimizations
enable protocols
vhook="default"

# build settings
SHFLAGS='-shared -Wl,-soname,$@'
VHOOKSHFLAGS='$(SHFLAGS)'
LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
FFSERVERLDFLAGS=-Wl,-E
LDCONFIG="ldconfig"
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)"'

# find source path
source_path="`dirname \"$0\"`"
enable source_path_used
if test -z "$source_path" -o "$source_path" = "." ; then
    source_path="`pwd`"
    disable source_path_used
else
    source_path="`cd \"$source_path\"; pwd`"
    echo "$source_path" | grep -q '[[:blank:]]' &&
      die "Out of tree builds are impossible with whitespace in source path."
fi

FFMPEG_CONFIGURATION="$@"

ENCODER_LIST=`sed -n 's/^[^#]*ENC.*(.*, *\(.*\)).*/\1_encoder/p' "$source_path/libs/libavcodec/allcodecs.c"`
DECODER_LIST=`sed -n 's/^[^#]*DEC.*(.*, *\(.*\)).*/\1_decoder/p' "$source_path/libs/libavcodec/allcodecs.c"`
PARSER_LIST=`sed -n 's/^[^#]*PARSER.*(.*, *\(.*\)).*/\1_parser/p' "$source_path/libs/libavcodec/allcodecs.c"`
BSF_LIST=`sed -n 's/^[^#]*BSF.*(.*, *\(.*\)).*/\1_bsf/p' "$source_path/libs/libavcodec/allcodecs.c"`
MUXER_LIST=`sed -n 's/^[^#]*_MUX.*(.*, *\(.*\)).*/\1_muxer/p' "$source_path/libs/libavformat/allformats.c"`
DEMUXER_LIST=`sed -n 's/^[^#]*DEMUX.*(.*, *\(.*\)).*/\1_demuxer/p' "$source_path/libs/libavformat/allformats.c"`
PROTOCOL_LIST=`sed -n 's/^[^#]*PROTOCOL.*(.*, *\(.*\)).*/\1_protocol/p' "$source_path/libs/libavformat/allformats.c"`

enable $ENCODER_LIST $DECODER_LIST $PARSER_LIST $MUXER_LIST $DEMUXER_LIST $PROTOCOL_LIST $BSF_LIST
enable $ARCH_EXT_LIST

# disable unneeded ffmpeg parts
disable "bktr_demuxer v4l_demuxer v4l2_demuxer x11_grab_device_demuxer"

# set cmov and mmx to default for our autodetection
cmov="default"
mmx="default"

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
    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

for opt do
  optval="${opt#*=}"
  case "$opt" in
  --log)
  ;;
  --log=*) logging="$optval"
  ;;
  --compile-type=*) compile_type="$optval"
  ;;
  --prefix=*) PREFIX="$optval"
  ;;
  --libdir-name=*) libdir_name="$optval"
  ;;
  --libdir=*) libdir="$optval"
  ;;
  --shlibdir=*) shlibdir="$optval"
  ;;
  --incdir=*) incdir="$optval"
  ;;
  --mandir=*) mandir="$optval"
  ;;
  --source-path=*) source_path="$optval"
  ;;
  --cross-prefix=*) cross_prefix="$optval"
  ;;
  --cross-compile) enable cross_compile
  ;;
  --target-os=*) targetos="$optval"
  ;;
  --cc=*) cc="$optval"
  ;;
  --make=*) make="$optval"
  ;;
  --extra-cflags=*) check_ecflags "$optval"
  ;;
  --extra-cxxflags=*) check_cppflags "$optval"
  ;;
  --extra-ldflags=*) add_ldflags "$optval"
  ;;
  --extra-libs=*) add_extralibs "$optval"
  ;;
  --build-suffix=*) BUILDSUF="$optval"
  ;;
  --arch=*) arch="$optval" && arch_raw="$optval" && enable cpu_override
  ;;
  --cpu=*) cpu="$optval" && enable cpu_override
  ;;

  --tune=*)
          tune="$optval"
  ;;
  --disable-ccache) ccache="no"
  ;;
  --disable-distcc) distcc="no"
  ;;
  --enable-sunmlib) enable mlib
  ;;
  --disable-strip) disable dostrip
  ;;
  --dvb-path=*) dvb_path="$optval"
  ;;
  --x11-path=*) x11_include_path="$optval"
  ;;
  --xvmc-lib=*) xvmc_lib="$optval"
  ;;
  --enable-mac-accel) dvdv="yes"
  ;;
  --disable-mac-accel) dvdv="no"
  ;;
  --enable-opengl-video) opengl_video="yes"
  ;;
  --disable-opengl-video) opengl_video="no"
  ;;
# remove after 0.21
  --enable-*dts)
      echo "DTS passthrough doesn't requires libdts anymore."
      echo "--enable-dts and --enable-libdts will be removed."
  ;;
  --enable-faad) enable libfaad
      echo "WARNING! --enable-faad will be removed, use --enable-libfaad"
  ;;
  --enable-faadbin) enable libfaadbin
      echo "WARNING! --enable-faadbin will be removed, use --enable-libfaadbin"
  ;;
  --enable-vorbis) enable libvorbis
      echo "WARNING! --enable-vorbis will be removed, use --enable-libvorbis"
  ;;
# end of compatibility section (0.21)
# disabled due to abuse in Gentoo ebuild
  --disable-frontend)
  ;;
# disabled due to abuse in Gentoo ebuild
  --disable-backend)
  ;;
  --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
  ;;
  --disable-encoders) disable $ENCODER_LIST
  ;;
  --disable-decoders) disable $DECODER_LIST
  ;;
  --disable-muxers) disable $MUXER_LIST
  ;;
  --disable-demuxers) disable $DEMUXER_LIST
  ;;
  --disable-parsers) disable $PARSER_LIST
  ;;
  --disable-bsfs) disable $BSF_LIST
  ;;
  --disable-protocols) disable $PROTOCOL_LIST
  ;;
  --enable-*=*|--disable-*=*)
  eval `echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/'`
  case "$thing" in
      encoder|decoder|muxer|demuxer|parser|bsf|protocol) $action ${optval}_${thing} ;;
      *) die_unknown "$opt" ;;
  esac
  ;;
  --enable-?*|--disable-?*)
  eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
  echo "$CMDLINE_SELECT" | grep -q "^ *$option\$" || die_unknown $opt
  $action $option
  ;;
  --list-*)
    NAME="${opt#--list-}"
    is_in $NAME $COMPONENT_LIST || die_unknown $opt
    NAME=${NAME%s}
    eval show_list $NAME \$$(toupper $NAME)_LIST
  ;;
  --help|-h) show_help
  ;;
  *)
  die_unknown $opt
  ;;
  esac
done


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

is_x86_cpu "$arch" && arch="x86_32"
is_x86_64_cpu "$arch" && arch="x86_64"

case "$arch" in
  x86_32)
    arch="x86_32"
    disabled cpu_override && ARCHFLAGS="-march=pentiumpro"
    enable fast_unaligned
  ;;
  x86_64|amd64)
    arch="x86_32"
    enable fast_unaligned
    canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
    if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
      if [ -z "`echo $CFLAGS | grep -- -m32`"  ]; then
        arch="x86_64"
        disabled cpu_override && ARCHFLAGS="-march=k8"
        enable fast_64bit
      fi
    fi
    cmov="yes"
  ;;
  # armv4l is a subset of armv[567]*l
  arm|armv[4567]*l)
    arch="armv4l"
  ;;
  alpha)
    arch="alpha"
    enable fast_64bit
  ;;
  "Power Macintosh"|ppc|powerpc)
    arch="powerpc"
  ;;
  ppc64)
    arch="powerpc"
    enable fast_64bit
  ;;
  mips|mipsel|IP*)
    arch="mips"
  ;;
  sun4u|sparc64)
    arch="sparc64"
    disabled cpu_override && check_mtune_mcpu "ultrasparc" "-mvis"
    enable fast_64bit
  ;;
  sparc)
    arch="sparc"
  ;;
  sh4)
    arch="sh4"
  ;;
  parisc)
    arch="parisc"
  ;;
  parisc64)
    arch="parisc"
    enable fast_64bit
  ;;
  s390|s390x)
    arch="s390"
  ;;
  m68k)
    arch="m68k"
  ;;
  ia64)
    arch="ia64"
    enable fast_64bit
  ;;
  bfin)
    arch="bfin"
  ;;
  *)
    arch="unknown"
  ;;
esac

enable $arch
enabled_any x86_32 x86_64 && enable x86
enabled     sparc64       && enable sparc

# OS specific
case $targetos in
  beos|haiku|zeta)
    PREFIX="$HOME/config"
    # helps building libavcodec
    add_cflags "-DPIC -fomit-frame-pointer"
    # 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
    LDCONFIG="echo ignoring ldconfig"
    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 $BEINCLUDES|grep 'headers/be/bone' >/dev/null); then
        network_extralibs="-lbind -lsocket"
    else
        enable beos_netserver
        network_extralibs="-lnet"
    fi ;;
  sunos)
    FFSERVERLDFLAGS=""
    SHFLAGS='-shared -Wl,-h,$@'
    network_extralibs="-lsocket -lnsl"
    ;;
  netbsd)
    oss_demuxer_extralibs="-lossaudio"
    oss_muxer_extralibs="-lossaudio"
    ;;
  openbsd)
    append CCONFIG "openbsd"
    disable need_memalign
    LIBOBJFLAGS='$(PIC)'
    LDCONFIG='ldconfig -m $(SHLIBDIR)'
    SHFLAGS='-shared'
    SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF).$(LIBVERSION)'
    SLIBNAME_WITH_VERSION='$(SLIBNAME)'
    SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
    oss_demuxer_extralibs="-lossaudio"
    oss_muxer_extralibs="-lossaudio"
    ;;
  freebsd)
    append CCONFIG "freebsd"
    disable need_memalign
    backend="yes"
    ;;
  bsd/os)
    osextralibs="-lpoll -lgnugetopt"
    strip="strip -d"
    ;;
  darwin)
    enable  appleremote
    enable  backend
    enable  darwin
    disable dvb
    disable ivtv
    ldver=$(ld -v 2>&1 | sed -e s/^[^-]*-//)
    osxver=$(uname -r | cut -c 1)
    if [[ ${ldver%.*} -lt "82" && ${osxver} = "9" && ${arch} = "x86_32" ]]; then
        disable mmx
        echo "You have a broken ld. Playback of HD videos may be very poor."
        echo "See http://svn.mythtv.org/trac/ticket/4200 for intelleopardmmx.patch"
    fi 
    disable need_memalign
    disable opengl_video
    disable opengl_vsync
    enable  proc_opt
    disable v4l
    disable x11
    SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(SPPVERSION),-compatibility_version,$(SPPVERSION) -Wl,-read_only_relocs,suppress'
    VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(SHLIBDIR)/vhook/$@'
    strip="strip -x"
    FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
    SLIBSUF=".dylib"
    SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
    SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
    FFSERVERLDFLAGS=-Wl,-bind_at_load
    ;;
  mingw32*)
    targetos=mingw32
    enable backend
    enable windows
    shlibdir="$bindir"
    VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
    VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
    if enabled swscaler; then
        VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
        VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
    fi
    dv1394="no"
    ffserver="no"
    network="no"
    opengl="yes"
    if enabled wince; then
        protocols="no"
    fi
    disable ffserver
    disable v4l
    disable bindings_perl
    disable bindings_python
    SLIBPREF="lib"
    SLIBSUF=".dll"
    EXESUF=".exe"
    SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
    SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
    SLIB_EXTRA_CMD="-lib /machine:i386 /def:\$(@:${SLIBSUF}=.def)"
    SLIB_INSTALL_EXTRA_CMD="-install -m 644 \$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib) \"\$(shlibdir)/\$(SLIBNAME_WITH_MAJOR:\$(SLIBSUF)=.lib)\""
    SHFLAGS="-shared -Wl,--output-def,\$(@:${SLIBSUF}=.def),--out-implib,lib\$(SLIBNAME:\$(SLIBSUF)=.a) -Wl,--enable-runtime-pseudo-reloc"
    add_extralibs -lws2_32
    ;;
  cygwin*)
    targetos=cygwin
    enable windows
    shlibdir="$bindir"
    VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
    VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
    if enabled swscaler; then
        VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
        VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
    fi
    EXESUF=".exe"
    SLIBPREF="cyg"
    SLIBSUF=".dll"
    SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
    SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
    SHFLAGS='-shared -Wl,--enable-auto-image-base'
    ;;
  linux)
    append CCONFIG "linux"
    backend="yes"
    ! disabled joystick_menu && enable joystick_menu
    LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
    enable dv1394
    ;;
  irix*)
    targetos=irix
    ranlib="echo ignoring ranlib"
    ;;
  *)
    targetos="${targetos}-UNKNOWN"
    ;;
esac

add_extralibs $osextralibs

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
}

has_header()
{
    HPATHS="/usr/local/include /usr/include /usr/include/g++-v3 /usr/X11R6/include"
    INCL=`echo $DYLD_LIBRARY_PATH $LD_LIBRARY_PATH | sed s/':'/' '/g`
    HPATHS="$HPATHS "$(echo $INCL | sed "s/$libdir_name/include/g")

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

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


if ! disabled logging ; then
    oldlogfile="$logfile"
    enabled logging || logfile="$logging"
    if [ "x$oldlogfile" = "x$pre_logfile" ]; then
        test x"$logfile" != x"$logging" && logfile="config.err"
        mv "$oldlogfile" "$logfile" 2> /dev/null || echo >"$logfile"
    else
        echo >"$logfile"
    fi
    echo "# $0 $@" >>$logfile
    set >>$logfile
else
    logfile=/dev/null
fi

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

test -n "$cross_prefix" && enable cross_compile
cc="${cross_prefix}${cc}"
ar="${cross_prefix}${ar}"
ranlib="${cross_prefix}${ranlib}"
strip="${cross_prefix}${strip}"

# 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


if ! enabled gpl; then
    die_gpl_disabled(){
        name=$1
        shift
        enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
    }
    die_gpl_disabled "The Postprocessing code" pp
    die_gpl_disabled "liba52"                  liba52
    die_gpl_disabled "libx264"                 libx264
    die_gpl_disabled "libxvidcore"             libxvid
    die_gpl_disabled "FAAD2"                   libfaad2
    die_gpl_disabled "The X11 grabber"         x11grab
    die_gpl_disabled "The software scaler"     swscaler
fi

check_deps $ARCH_EXT_LIST

# compute mmx state
if test x"$mmx" = x"default"; then
    mmx="no"
    if test x"$arch" = x"x86_64"; then
        mmx="yes"
    elif enabled cpu_override; then
        is_x86_mmx "$cpu" && mmx="yes"
    else
        is_x86_mmx "$arch_raw" && mmx="yes"
    fi

    # if !arch && !tune && !cpu & processor_flags, then...
    if disabled cpu_override && test x"$processor_flags" != x"" ; then
        mmx="no"
        if expr "$processor_flags" : ".*mmx" > /dev/null ; then
            mmx="yes"
        fi
    fi
fi

if test x"$cmov" = x"default"; then
    disable cmov
    if enabled cpu_override; then
        is_x86_cmov_cpu "$cpu" && enable cmov
        disabled cmov || is_x86_slow_cmov_cpu "$cpu" || enable fast_cmov
    elif expr "$processor_flags" : ".*cmov" > /dev/null ; then
        enable cmov
    fi
fi

# use different default ARCHFLAGS for CPU missing cmov (Via C3 ...)
if test x"$arch" = x"x86_32" && disabled cmov && disabled cpu_override; then
    ARCHFLAGS="-march=i586"
fi

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

#Darwin CC versions
if test $targetos = darwin; then
    if test -n "`$cc -v 2>&1 | grep xlc`"; then
        add_cflags "-qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto"
    else
        add_cflags "-no-cpp-precomp -pipe"
        check_cflags "-force_cpusubtype_ALL"
        check_cflags "-Wno-sign-compare"
        disabled shared && add_cflags -mdynamic-no-pic
    fi
fi

disabled optimizations || add_optflags -fomit-frame-pointer

# Add processor-specific flags
if test $tune != "generic"; then
    warn_altivec(){
        $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
    }
    case $tune in
        601|ppc601|PowerPC601)
            check_mtune_mcpu "601"
            warn_altivec enabled PPC601
        ;;
        603*|ppc603*|PowerPC603*)
            check_mtune_mcpu "603"
            warn_altivec enabled PPC603
        ;;
        604*|ppc604*|PowerPC604*)
            check_mtune_mcpu "604"
            warn_altivec enabled PPC604
        ;;
        G3|g3|75*|ppc75*|PowerPC75*)
            check_mtune_mcpu "750" "-mpowerpc-gfxopt"
            warn_altivec enabled PPC75x
        ;;
        G4|g4|745*|ppc745*|PowerPC745*)
            check_mtune_mcpu "7450" "-mpowerpc-gfxopt"
            warn_altivec disabled PPC745x
        ;;
        74*|ppc74*|PowerPC74*)
            check_mtune_mcpu "7400" "-mpowerpc-gfxopt"
            warn_altivec disabled PPC74xx
        ;;
        G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
            check_mtune_mcpu "970" "-mpowerpc-gfxopt -mpowerpc64"
            warn_altivec disabled PPC970
            enable ppc64
        ;;
        Cell|CELL|cell)
            check_mtune_mcpu "cell"
            warn_altivec disabled Cell
            enable ppc64
        ;;
        sparc64)
            check_mtune_mcpu "v9"
        ;;
        bf*) #bf531 bf532 bf533 bf561 bf5xx all get this config
            add_cflags "-mfdpic"
            add_ldflags "-mfdpic"
        ;;
        arm*)
            check_mtune_mcpu "$cpu"
        ;;
        *)
            check_mtune_mcpu "$tune"
        ;;
    esac
fi

if test x"$cpu" != x"generic"; then
    add_archflags "-march=$cpu"
fi

gnu_make(){
    $1 --version 2>&1 | grep -q GNU
}

if ! gnu_make $make; then
    gnu_make gmake && make=gmake || die "GNU make not found."
fi

# make sure we can execute files in $TMPDIR
cat >$TMPE 2>>$logfile <<EOF
#! /bin/sh
EOF
chmod +x $TMPE >>$logfile 2>&1
if ! $TMPE >>$logfile 2>&1; then
    cat <<EOF
Unable to create and execute files in $TMPDIR1.  Set the TMPDIR environment
variable to another directory and make sure that $TMPDIR1 is not mounted
noexec.
EOF
    die "Sanity test failed."
fi
rm $TMPE

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

if 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 wether EBX is available on x86
    check_asm ebx_available '"":::"%ebx"' -fPIC -DPIC

    # check whether binutils is new enough to compile SSSE3
    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
fi

# check for assembler specific support

if test $arch = "powerpc"; then
check_cc <<EOF && enable dcbzl
int main(void) {
    register long zero = 0;
    char data[1024];
    asm volatile("dcbzl %0, %1" : : "b" (data), "r" (zero));
return 0;
}
EOF
fi

# check for SIMD availability

# AltiVec flags: The FSF version of GCC differs from the Apple version
if enabled altivec; then
    test -n "`$cc -v 2>&1 | grep version | grep Apple`" &&
        add_cflags "-faltivec" && add_cppflags "-faltivec" ||
        add_cflags "-maltivec -mabi=altivec" &&
            add_cppflags "-maltivec -mabi=altivec"

    check_header altivec.h

    # check if our compiler supports Motorola AltiVec C API
    enabled altivec_h &&
        inc_altivec_h="#include <altivec.h>" ||
        inc_altivec_h=
    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
fi

enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
enabled vis     && 
                  (check_asm vis     '"pdist %f0, %f0, %f0"' -mtune=ultrasparc ||
                   check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc)

# if no tune setting and we know cpu class look at $processor 
if disabled cpu_override && enabled proc_opt; then
# first try to tune based on processor info
# EM64T era Intel Xeon
   if expr "$processor" : ".*Intel(R) Xeon(R) CPU.*5110" > /dev/null ; then
       ARCHFLAGS="-march=k8" # this would be pentium4 on 32 bit systems
   elif expr "$processor" : ".*Intel(R) Xeon(R) CPU.*5160" > /dev/null ; then 
       ARCHFLAGS="-march=k8" # this would be pentium4 on 32 bit systems
# Various Intel Duo processors (EMT64T capable)
   elif expr "$processor" : ".*Intel(R).*Core(TM)2.*CPU" > /dev/null ; then
       ARCHFLAGS="-march=k8" # this would be pentium4 on 32 bit systems
   elif expr "$processor" : "*.Pentium(R) 5 CPU" > /dev/null ; then
       ARCHFLAGS="-march=k8" # this would be pentium4 on 32 bit systems
# EM64T compatible Intel Celeron
   elif expr "$processor" : ".*Celeron(R) D CPU" > /dev/null ; then
       ARCHFLAGS="-march=k8" # this would be pentium4 on 32 bit systems
       enable small
# Reportedly Intel Duo, but we assume 32 bit P4 due to generic name
   elif expr "$processor" : ".*Genuine.*Intel.*CPU" > /dev/null ; then
       ARCHFLAGS="-march=pentium4"
# P4
   elif expr "$processor" : ".*Xeon(TM) CPU" > /dev/null ; then
       ARCHFLAGS="-march=pentium4"
   elif expr "$processor" : ".*XEON(TM) CPU" > /dev/null ; then
       ARCHFLAGS="-march=pentium4"
   elif expr "$processor" : ".*XEON(TM) MP CPU" > /dev/null ; then
       ARCHFLAGS="-march=pentium4"
   elif expr "$processor" : "pentium4" > /dev/null ; then
       ARCHFLAGS="-march=pentium4"
   elif expr "$processor" : ".*Pentium(R) [4D]" > /dev/null ; then
       ARCHFLAGS="-march=pentium4"
   elif expr "$processor" : ".*Celeron(R) CPU" > /dev/null ; then
       ARCHFLAGS="-march=pentium4"
       enable small
# P6, which includes Intel Core
   elif expr "$processor" : ".*Intel P6 Family" > /dev/null ; then 
       ARCHFLAGS="-march=pentium4" 
# P3
   elif expr "$processor" : "pentium3" > /dev/null ; then
       ARCHFLAGS="-march=pentium3"
   elif expr "$processor" : ".*Pentium.* III" > /dev/null ; then
       ARCHFLAGS="-march=pentium3"
   elif expr "$processor" : ".*Coppermine" > /dev/null ; then
       ARCHFLAGS="-march=pentium3"
       enable small
   elif expr "$processor" : ".*Celeron(TM) CPU" > /dev/null ; then
       ARCHFLAGS="-march=pentium3"
       enable small
   elif expr "$processor" : ".*Pentium(R) M" > /dev/null ; then
       ARCHFLAGS="-march=pentium3"
   elif expr "$processor" : ".*Celeron(R) M processor" > /dev/null ; then
       ARCHFLAGS="-march=pentium3"
       enable small
# P2
   elif expr "$processor" : "pentium2" > /dev/null ; then
       ARCHFLAGS="-march=pentium2"
   elif expr "$processor" : ".*Mendocino" > /dev/null ; then
       ARCHFLAGS="-march=pentium2"
       enable small
   elif expr "$processor" : ".*Klamath" > /dev/null ; then
       ARCHFLAGS="-march=pentium2"
       enable small
   elif expr "$processor" : ".*Deschutes" > /dev/null ; then
       ARCHFLAGS="-march=pentium2"
       enable small
   elif expr "$processor" : ".*Pentium II" > /dev/null ; then
       ARCHFLAGS="-march=pentium2"
       enable small
# AMD Turion
   elif expr "$processor" : ".*AMD Turion(tm) 64" > /dev/null ; then
       ARCHFLAGS="-march=k8"
# AMD Geode NX
   elif expr "$processor" : ".*AMD Geode(tm) NX" > /dev/null ; then
       ARCHFLAGS="-march=pentiumpro -mmmx"
       enable small
# Athlon 64
   elif expr "$processor" : ".*AMD Athlon(tm) 64" > /dev/null ; then
       ARCHFLAGS="-march=k8"
# AMD Opteron
   elif expr "$processor" : ".*AMD Opteron(tm)" >/dev/null ; then 
       ARCHFLAGS="-march=k8"
# Athlon XP
   elif expr "$processor" : "athlon-xp" > /dev/null ; then
       ARCHFLAGS="-march=pentiumpro -mmmx"
   elif expr "$processor" : ".*AMD Athlon(tm) XP" > /dev/null ; then
       ARCHFLAGS="-march=pentiumpro -mmmx"
   elif expr "$processor" : ".*AMD Sempron(tm)" > /dev/null ; then
       ARCHFLAGS="-march=pentiumpro -mmmx"
# Athlon
   elif expr "$processor" : "athlon" > /dev/null ; then
       ARCHFLAGS="-march=athlon"
   elif expr "$processor" : ".*AMD Athlon(..)" > /dev/null ; then
       ARCHFLAGS="-march=athlon"
   elif expr "$processor" : ".*AMD Duron(..)" > /dev/null ; then
       ARCHFLAGS="-march=athlon"
       enable small
# K6
   elif expr "$processor" : ".*AMD-K6(tm) 3D" > /dev/null ; then
       ARCHFLAGS="-march=pentium-mmx"
       enable small
# Transmeta Crusoe
   elif expr "$processor" : ".*Crusoe(m) Processor TM5600" > /dev/null ; then
       ARCHFLAGS="-march=pentium2"
# c3-2
   elif expr "$processor" : ".*VIA Esther" > /dev/null ; then
       ARCHFLAGS="-march=c3-2"
       enable small
   elif expr "$processor" : ".*VIA Nehemiah" > /dev/null ; then
       ARCHFLAGS="-march=c3-2"
       enable small
# c3
   elif expr "$processor" : ".*VIA.*Ezra" > /dev/null ; then
       ARCHFLAGS="-march=c3"
       enable small
   elif expr "$processor" : ".*VIA Samuel" > /dev/null ; then
       ARCHFLAGS="-march=c3"
       enable small
# if no known processor info, tune base on arch_raw info
   elif test x"$arch_raw" = x"i686" -a x"$mmx" = x"yes" ; then
       ARCHFLAGS="-march=pentium2"
       proc_error_msg="yes"
   elif test x"$arch_raw" = x"i686" -a x"$mmx" = x"no" ; then
       ARCHFLAGS="-march=pentiumpro"
       proc_error_msg="yes"
   elif test x"$arch_raw" = x"i586" -a x"$mmx" = x"yes" ; then
       ARCHFLAGS="-march=pentium-mmx"
       proc_error_msg="yes"
   elif test x"$arch_raw" = x"i586" -a x"$mmx" = x"no" ; then
       ARCHFLAGS="-march=i586"
       proc_error_msg="yes"
   elif test x"$arch_raw" = x"i486"; then
       ARCHFLAGS="-march=i486"
       proc_error_msg="yes"
   elif test x"$arch_raw" = x"i386"; then
       ARCHFLAGS="-march=i386"
       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

enabled vis && check_mtune_mcpu "ultrasparc"

# if architecture specific flags don't work blank them
echo "int main( void ) { return 0; }" > $TMPC
TMP_ARCHFLAGS=$ARCHFLAGS
$cc $CFLAGS $ARCHFLAGS -o $TMPE $TMPC 2> /dev/null || ARCHFLAGS=""
if test x"$ARCHFLAGS" = x""; then
    if enabled cpu_override || test x"$tune" != x"generic"; then
        echo "ERROR: CPU specific ./configure options failed compile test"
        echo "       Removing CPU specific compilation options. ($TMP_ARCHFLAGS)"
        echo ""
    fi
fi

# "CPU_CLIP" test for SRC / libsamplerate
# test positive wrap
cat > $TMPC << EOF
int main(){
    float f = (1<<(sizeof(short)*8))>>1;
    short s = (short)f;
    if ( s == --f )
        return(0);
    return(1);
}
EOF

if $cc $CFLAGS $ECFLAGS -o $TMPE $TMPC 2>/dev/null ; then
$TMPE && cpuclipspositive="yes"
fi

# test negative wrap
cat > $TMPC << EOF
int main(){
    float f = -((1<<(sizeof(short)*8))>>1) - 1;
    short s = (short)f;
    if ( s == ++f)
        return(0);
    return(1);
}
EOF

if $cc $CFLAGS $ECFLAGS -o $TMPE $TMPC 2>/dev/null ; then
$TMPE && cpuclipsnegative="yes"
fi

# 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

# ---
# big/little-endian test
check_cc <<EOF || die "endian test failed"
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
EOF
grep -q BIGE $TMPO && enable bigendian

# ---
# check availability of some header files

if check_func dlopen; then
    ldl=
elif check_func dlopen -ldl; then
    ldl=-ldl
fi

check_func fork
check_func gethrtime
check_func getrusage
check_func inet_aton
check_func memalign
check_func mkstemp
check_func2 windows.h GetProcessTimes

check_header byteswap.h
check_header conio.h
check_header dlfcn.h
check_header malloc.h
check_header termios.h

check_func posix_fadvise
check_func2 sys/timeb.h ftime
check_func2 sys/time.h gettimeofday
check_func2 "sys/types.h sys/socket.h ifaddrs.h" getifaddrs

if ! enabled_any memalign memalign_hack && enabled need_memalign ; then
    die "Error, no memalign() but SSE enabled, disable it or use --enable-memalign-hack."
fi

enabled zlib && check_lib zlib.h zlibVersion -lz || disable zlib

# ffserver uses poll(),
# if it's not found we can emulate it using select().
if enabled ffserver; then
    check_header sys/poll.h
fi

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_ldflags -pthread
    elif check_func pthread_create -pthreads; then
        add_cflags -pthreads
        add_ldflags -pthreads
    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

# test for lrintf in math.h
check_exec <<EOF && enable lrintf || disable lrintf
#define _ISOC9X_SOURCE  1
#include <math.h>
int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
EOF

enabled_any libamr_nb libamr_wb && enable libamr

# these are off by default, so fail if requested and not available
enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
enabled liba52     && require liba52 a52dec/a52.h a52_init -la52
enabled libamr_nb  && require libamrnb amrnb/interf_dec.h Speech_Decode_Frame_init -lamrnb -lm
enabled libamr_wb  && require libamrwb amrwb/dec_if.h D_IF_init -lamrwb -lm
enabled libdc1394  && require libdc1394 libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394
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 LAME lame/lame.h lame_init -lmp3lame -lm
enabled libnut     && require libnut libnut.h nut_demuxer_init -lnut
enabled libtheora  && require libtheora theora/theora.h theora_info_init -ltheora -logg
enabled libvorbis  && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
enabled libx264    && require x264 x264.h x264_encoder_open -lx264
enabled libxvid    && require Xvid xvid.h xvid_global -lxvidcore
enabled mlib       && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib

# disable the native AC-3 decoder if liba52 is enabled
enabled liba52 && disable ac3_decoder

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 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

_restrict=
for restrict_keyword in restrict __restrict__ __restrict; do
    check_cc <<EOF && _restrict=$restrict_keyword && break
void foo(char * $restrict_keyword p);
EOF
done

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

if test "$targetos" = cygwin -o "$targetos" = mingw32 && enabled_all static vhook ; then
    disable vhook
    echo
    echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
    echo "Patches welcome."
    echo
fi

if enabled vhook; then
    check_ldflags -rdynamic
    check_ldflags -export-dynamic
fi

check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
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 check

disable sdl_too_old
disable sdl
#SDL_CONFIG="${cross_prefix}sdl-config"
if "${SDL_CONFIG}" --version >/dev/null 2>&1; then
    sdl_cflags=`"${SDL_CONFIG}" --cflags`
    temp_cflags $sdl_cflags
    temp_extralibs `"${SDL_CONFIG}" --libs`
    if check_lib SDL.h SDL_Init; then
        _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'`
        if test "$_sdlversion" -lt 121 ; then
            enable sdl_too_old
        else
            enable sdl
            check_cc $sdl_cflags <<EOF && enable sdl_video_size
#include <SDL.h>
int main(void){
    const SDL_VideoInfo *vi = SDL_GetVideoInfo();
    int w = vi->current_w;
    return 0;
}
EOF
        fi
    fi
    restore_flags
fi

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

##########################################
# Network check

if enabled network; then
    # Prefer arpa/inet.h over winsock2
    if check_header arpa/inet.h ; then
        check_func closesocket
    elif check_header winsock2.h ; then
        network_extralibs="-lws2_32"
        check_func2 winsock2.h closesocket
    fi
fi

##########################################
# IPv6 check

enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
int main( void ) {
  struct sockaddr_storage saddr;
  struct ipv6_mreq mreq6;
  getaddrinfo(0,0,0,0);
  getnameinfo(0,0,0,0,0,0,0);
  IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
}
EOF

check_header linux/videodev.h
check_header linux/videodev2.h

# 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

# ALSA probe
! disabled audio_alsa &&
    check_lib alsa/asoundlib.h snd_asoundlib_version $audio_alsa_libs &&
    enable  audio_alsa ||
    disable audio_alsa

# aRts probe
! disabled audio_arts &&
    check_foo_config arts artsc artsc.h arts_init &&
    audio_arts_libs=`artsc-config --libs`  &&
    audio_arts_cflags=`artsc-config --cflags` &&
    enable  audio_arts ||
    disable audio_arts

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

# Deal with the x11 frame grabber
enabled x11grab                         &&
check_header X11/Xlib.h                 &&
check_header X11/extensions/XShm.h      &&
check_func XOpenDisplay -lX11           &&
check_func XShmCreateImage -lX11 -lXext

enabled debug && add_cflags -g
enabled debug && add_cppflags -g

# 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
enabled extra_warnings && check_cflags -Winline
# C++ Flags
check_cppflags -Wall
check_cppflags -Wno-switch
check_cppflags -Wpointer-arith
check_cppflags -Wredundant-decls
check_cppflags -Wno-non-virtual-dtor
#needed for INT64_C in libs/libavformat under g++
check_cppflags -D__STDC_CONSTANT_MACROS

# add some linker flags
check_ldflags -Wl,--warn-common
check_ldflags $LDLATEFLAGS

# GCC version
cat > $TMPC << EOF
int main(int argc, char **argv)
{
    int ret = 0;
    if (argc == 1)
    {
        #if defined(__GNUC__)
            ret = __GNUC__;
        #endif
    }
    else
    {
        #if defined(__GNUC_MINOR__)
            ret = __GNUC_MINOR__;
        #endif
    }
    return ret;
}
EOF

if $cc $CFLAGS $TMPC -o $TMPE ; then
    $TMPE
    GCC_MAJOR=$?
    $TMPE "minor"
    GCC_MINOR=$?
fi

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

if enabled dvb; then
    dvb="no"
    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
        dvb="yes"
    else
        dvb_path="/usr/src/linux/include"
        KERNEL_RELEASE=`uname -r 2>/dev/null`
        if test x"$KERNEL_RELEASE" != x"" ; then
            dvb_path="/usr/src/linux-$KERNEL_RELEASE/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
            dvb="yes"
        else
            echo "DVB location needs to have linux/dvb/frontend.h [$dvb_path]"
        fi
    fi
fi

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

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

has_library libqt-mt ||
    die "ERROR! You must have a threaded Qt installed to compile MythTV."

#has_library libmysqlclient || has_library mysql/libmysqlclient ||
#    die "ERROR! You must have a MySQL library installed to run MythTV."
#
enabled lamemp3 && has_library libmp3lame && has_header lame/lame.h ||
    die "ERROR! You must have the Lame MP3 encoding library installed to compile MythTV."

#test for lirc client libraries and headers
enabled lirc && has_library liblirc_client && check_header lirc/lirc_client.h || disable lirc

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 $targetos = darwin; then
        # This should pick the newest. e.g. FireWireSDK21 instead of 20
        # Unfortunately, the location keeps changing:
        #/Developer/FireWireSDK20/Examples/AVCVideoServices/Framework
        #/Developer/FireWireSDK21/Examples/Framework
        mac_avc=`find /Developer/FireWireSDK* -name Framework 2> /dev/null \
                 | tail -n 1`
        if test -d "$mac_avc" ; then
            firewire="yes"
        else
            echo Firewire being disabled. /Developer/FireWireSDK* missing
        fi
    fi
fi

enabled x11 && has_library libX11 || disable x11
enabled xrandr && has_header X11/extensions/Xrandr.h || disable xrandr
enabled xv && has_library libXv || disable xv

check_header GL/gl.h
has_library libGL || has_library libopengl32 || disable opengl

VENDOR_XVMC_LIBS=""
check_header X11/extensions/XvMClib.h
has_library libXvMCW || disable xvmcw
check_header X11/extensions/vldXvMC.h
has_library libviaXvMC    || has_library libchromeXvMC    || disable xvmc_vld
has_library libviaXvMCPro || has_library libchromeXvMCPro || disable xvmc_pro

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

test x"$VENDOR_XVMC_LIBS" != x"-lXvMCNVIDIA" && disable xvmc_opengl

enabled xvmcw && enable xvmc_pro enable xvmc_vld
enabled xvmc_pro && enable xvmc_vld
enabled xvmc_opengl && disable xvmc_vld xvmc_pro


# Can only do Mac accel on Mac platform
enabled dvdv && test $targetos = 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 $targetos = 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 /usr/share/doc/nvidia-glx-dev/include; then 
    CONFIG_INCLUDEPATH="$CONFIG_INCLUDEPATH /usr/share/doc/nvidia-glx-dev/include"
fi

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

if enabled directfb; then
    directfb="no"
    if test x`which directfb-config 2> /dev/null` != x"" ; then
        directfb="yes"
        CONFIG_DIRECTFB_LIBS=`directfb-config --libs`
        CONFIG_DIRECTFB_CXXFLAGS=`directfb-config --cflags`
    fi
fi

if test $targetos = 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
    check_cflags -Os            # not all compilers support -Os
    optimizations="small"
elif enabled optimizations; then
    if test -n "`$cc -v 2>&1 | grep xlc`"; then
        add_optflags  "-O5"
        add_ldflags "-O5"
    else
        add_optflags "-O3"
    fi
fi

# PIC flags for shared library objects where they are needed
if enabled shared; then
    # LIBOBJFLAGS may have already been set in the OS configuration
    if test -z "$LIBOBJFLAGS" ; then
        case "$arch" in
            x86_64|ia64|alpha|sparc*|power*) LIBOBJFLAGS='$(PIC)' ;;
        esac
    fi
fi

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

VHOOKCFLAGS="-fPIC"

# Find out if the .align argument is a power of two or not.
if test $asmalign_pot = "unknown"; then
    disable asmalign_pot
    echo 'asm (".align 3");' | check_cc && enable asmalign_pot
fi

enabled_any $ENCODER_LIST  && enable encoders
enabled_any $DECODER_LIST  && enable decoders
enabled_any $MUXER_LIST    && enable muxers
enabled_any $DEMUXER_LIST  && enable demuxers
enabled_any $PROTOCOL_LIST && enable protocols
enabled_any $BSF_LIST      && enable bsfs

enabled_any $THREADS_LIST  && enable threads

check_deps $CONFIG_LIST $HAVE_LIST $DECODER_LIST $ENCODER_LIST $PARSER_LIST \
    $BSF_LIST $DEMUXER_LIST $MUXER_LIST $PROTOCOL_LIST

check_deps $MYTHTV_LIST $MYTHTV_CONFIG_LIST $USING_LIST

enabled libdc1394 && append pkg_requires "libraw1394"
enabled libtheora && append pkg_requires "theora"
enabled libvorbis && append pkg_requires "vorbisenc"


if test x"$libdir" = x""; then
    libdir="${PREFIX}/${libdir_name}"
fi


echo "# Basic Settings"
echo "Compile type              $compile_type"
if test x"$compile_type" = x"debug" -a $arch = "x86_32" -a \
        x"$GCC_MAJOR" != x"" -a $GCC_MAJOR -lt "4"; then
    echo "WARNING: backtraces involving libavcodec are not supported for gcc < 4.0"
fi
echo "Compiler cache            $ccache$ccache_txt"
echo "DistCC                    $distcc$distcc_txt"
echo "install prefix            $PREFIX"
<<BLOCK_QUOTE
echo "source path               $source_path"
echo "C compiler                $cc"
echo "make                      $make"
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                       $arch ($cpu)"
elif test x"$processor" != x"" ; then
    echo "CPU                       $arch ($processor)"
elif test x"$arch_raw" != x"" ; then
    echo "CPU                       $arch ($arch_raw)"
else
    echo "CPU                       $arch"
fi
<<BLOCK_QUOTE
if test "$BUILDSUF" != ""; then
    echo "build suffix              $BUILDSUF"
fi
BLOCK_QUOTE
echo "big-endian                ${bigendian-no}"
if test $arch = "x86_32" -o $arch = "x86_64"; then
    echo "MMX enabled               ${mmx-no}"
    echo "CMOV enabled              ${cmov-no}"
    echo "CMOV is fast              ${fast_cmov-no}"
<<BLOCK_QUOTE
    echo "EBX available             ${ebx_available-no}"
    echo "EBP available             ${ebp_available-no}"
BLOCK_QUOTE
fi
if test $arch = "armv4l"; then
    echo "ARMv5TE enabled           ${armv5te-no}"
    echo "ARMv6 enabled             ${armv6-no}"
    echo "IWMMXT enabled            ${iwmmxt-no}"
fi
if test $arch = "mips"; then
    echo "MMI enabled               ${mmi-no}"
fi
if test $arch = "powerpc"; then
    echo "AltiVec enabled           ${altivec-no}"
    echo "dcbzl available           ${dcbzl-no}"
fi
<<BLOCK_QUOTE
echo "gprof enabled             ${gprof-no}"
echo "debug symbols             ${debug-no}"
echo "strip symbols             ${dostrip-no}"
echo "optimizations             ${optimizations-no}"
echo "static                    ${static-no}"
echo "shared                    ${shared-no}"
echo "postprocessing support    ${pp-no}"
echo "software scaler enabled   ${swscaler-no}"
echo "video hooking             ${vhook-no}"
if enabled vhook; then
    echo "Imlib2 support            ${imlib2-no}"
    echo "FreeType support          ${freetype2-no}"
fi
echo "network support           ${network-no}"
if enabled network; then
    echo "IPv6 support              ${ipv6-no}"
fi
echo "threading support         ${thread_type-no}"
echo "SDL support               ${sdl-no}"
if enabled sdl_too_old; then
    echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support."
fi
echo "Sun medialib support      ${mlib-no}"
echo "AVISynth enabled          ${avisynth-no}"
echo "liba52 support            ${liba52-no}"
echo "liba52 dlopened           ${liba52bin-no}"
echo "libamr-nb support         ${libamr_nb-no}"
echo "libamr-wb support         ${libamr_wb-no}"
echo "libdc1394 support         ${libdc1394-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 "libtheora enabled         ${libtheora-no}"
echo "libvorbis enabled         ${libvorbis-no}"
echo "x264 enabled              ${libx264-no}"
echo "XviD enabled              ${libxvid-no}"
echo "zlib enabled              ${zlib-no}"
enabled gpl &&
    echo "License: GPL" ||
    echo "License: LGPL"

for type in decoder encoder parser demuxer muxer protocol bsf; do
    echo "Enabled ${type}s:"
    ucname="\$`toupper $type`_LIST"
    list="`eval echo $ucname`"
    partlist=""
    for part in $list; do
        enabled $part && partlist="$partlist $part"
    done
    partlist=`echo $partlist | sed s/_$type//g | tr ' ' '\n' | sort`
    echo $partlist
done

BLOCK_QUOTE

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

if enabled backend; then
  echo "Video4Linux sup.          ${v4l-no}"
  echo "ivtv support              ${ivtv-no}"
  echo "FireWire support          ${firewire-no}"
  echo "DVB support               ${dvb-no} [$dvb_path]"
  echo "DBox2 support             ${dbox2-no}"
  echo "HDHomeRun support         ${hdhomerun-no}"
  echo "IPTV support              ${iptv-no}"
fi

if enabled frontend; then
  echo
  echo "# Sound Output Support"
  echo "OSS support               ${audio_oss-no}"
  echo "ALSA support              ${audio_alsa-no}"
  echo "aRts support              ${audio_arts-no}"
  echo "JACK support              ${audio_jack-no}"
  if test x"$targetos" = x"mingw32" ; then
    echo "Windows support           yes"
  fi
  echo "libfftw3 support          ${libfftw3-no}"
  echo
  echo "# Video Output Support"
  echo "x11 support               ${x11-no}"
  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}"
  echo "XvMC OpenGL sup.          ${xvmc_opengl-no}"
if test "$VENDOR_XVMC_LIBS" != "" ; then
  echo "XvMC libs                 $VENDOR_XVMC_LIBS"
fi
  echo "OpenGL video              ${opengl_video-no}"
  if test x"$targetos" = x"darwin" ; then
    echo "Mac acceleration          ${dvdv-no}"
  fi
  echo "OpenGL vsync              ${opengl_vsync-no}"
  echo "DirectFB                  ${directfb-no}"
  if test x"$mingw32" = x"yes" -o x"$targetos" = x"cygwin" ; then
    echo "DirectX                   ${directx-no}"
  fi
  if test x"$targetos" = x"mingw32" ; then
    echo "Windows (Direct3D)        yes"
  fi
  echo "Fribidi formatting        ${fribidi}"
  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}"
echo "bindings_python           ${bindings_python-no}"
echo ""

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

date >> config.log
echo "   $0 $FFMPEG_CONFIGURATION" >> config.log
echo "# Automatically generated by configure - do not modify" > $MYTH_CONFIG_MAK
echo "/* Automatically generated by configure - do not modify */" > $TMPH
echo "#ifndef FFMPEG_CONFIG_H" >> $TMPH
echo "#define FFMPEG_CONFIG_H" >> $TMPH
echo "#define FFMPEG_CONFIGURATION \"$FFMPEG_CONFIGURATION\"" >> $TMPH

echo "PREFIX=$PREFIX" >> $MYTH_CONFIG_MAK
echo "LIBDIR=$libdir" >> $MYTH_CONFIG_MAK
<<BLOCK_QUOTE
echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
echo "MAKE=$make" >> config.mak
echo "CC=$cc" >> config.mak
echo "AR=$ar" >> config.mak
echo "RANLIB=$ranlib" >> config.mak
echo "LDCONFIG=$LDCONFIG" >> config.mak
echo "LN_S=$ln_s" >> config.mak
enabled dostrip &&
    echo "STRIP=$strip" >> config.mak ||
    echo "STRIP=echo ignoring strip" >> config.mak
BLOCK_QUOTE
echo "QMAKE_CC=$cc" >> $MYTH_CONFIG_MAK
echo "QMAKE_CXX=$cxx" >> $MYTH_CONFIG_MAK
echo "QMAKE_LINK=$cxx" >> $MYTH_CONFIG_MAK
echo "ARCHFLAGS=$ARCHFLAGS" >> $MYTH_CONFIG_MAK
echo "PROFILEFLAGS=$PROFILEFLAGS" >> $MYTH_CONFIG_MAK
echo "OPTFLAGS=$OPTFLAGS" >> $MYTH_CONFIG_MAK
echo "ECFLAGS=$CFLAGS $ECFLAGS" >> $MYTH_CONFIG_MAK
echo "ECXXFLAGS=$ECXXFLAGS" >> $MYTH_CONFIG_MAK
<<BLOCK_QUOTE
echo "LDFLAGS=$LDFLAGS" >> config.mak
echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
echo "SHFLAGS=$SHFLAGS" >> config.mak
echo "VHOOKSHFLAGS=$VHOOKSHFLAGS" >> config.mak
echo "VHOOKLIBS=$VHOOKLIBS" >> config.mak
echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
echo "BUILD_STATIC=$static" >> config.mak
echo "BUILDSUF=$BUILDSUF" >> config.mak
echo "FULLNAME=$FULLNAME" >> config.mak
echo "LIBPREF=$LIBPREF" >> config.mak
echo "LIBSUF=$LIBSUF" >> config.mak
echo "LIBNAME=$LIBNAME" >> config.mak
echo "SLIBPREF=$SLIBPREF" >> config.mak
echo "SLIBSUF=$SLIBSUF" >> config.mak
echo "EXESUF=$EXESUF" >> config.mak
BLOCK_QUOTE

if enabled bigendian; then
  echo "WORDS_BIGENDIAN=yes" >> $MYTH_CONFIG_MAK
  echo "#define WORDS_BIGENDIAN 1" >> $TMPH
fi
if enabled mmx; then
  echo "#define __CPU__ 586" >> $TMPH
fi

if enabled cpuclipspositive; then
  echo "#define CPU_CLIPS_POSITIVE 1" >> $TMPH
else
  echo "#define CPU_CLIPS_POSITIVE 0" >> $TMPH
fi
if enabled cpuclipsnegative; then
  echo "#define CPU_CLIPS_NEGATIVE 1" >> $TMPH
else
  echo "#define CPU_CLIPS_NEGATIVE 0" >> $TMPH
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`" >> $MYTH_CONFIG_MAK
fi
if enabled sdl; then
  echo "SDL_LIBS=`"${SDL_CONFIG}" --libs`" >> $MYTH_CONFIG_MAK
  echo "SDL_CFLAGS=`"${SDL_CONFIG}" --cflags`" >> $MYTH_CONFIG_MAK
fi
<<BLOCK_QUOTE
if enabled texi2html; then
  echo "BUILD_DOC=yes" >> config.mak
fi
BLOCK_QUOTE

echo "#define SIZEOF_INT $_sizeof_int" >> $TMPH
echo "#define SIZEOF_LONG $_sizeof_long" >> $TMPH

if enabled shared; then
  echo "BUILD_SHARED=yes" >> $MYTH_CONFIG_MAK
  echo "PIC=-fPIC -DPIC" >> $MYTH_CONFIG_MAK
<<BLOCK_QUOTE
  echo "SPPMAJOR=${pp_version%%.*}" >> config.mak
  echo "SPPVERSION=$pp_version" >> config.mak
  echo "LAVCMAJOR=${lavc_version%%.*}" >> config.mak
  echo "LAVCVERSION=$lavc_version" >> config.mak
  echo "LAVFMAJOR=${lavf_version%%.*}" >> config.mak
  echo "LAVFVERSION=$lavf_version" >> config.mak
  echo "LAVUMAJOR=${lavu_version%%.*}" >> config.mak
  echo "LAVUVERSION=$lavu_version" >> config.mak
  echo "SWSMAJOR=${sws_version%%.*}" >> config.mak
  echo "SWSVERSION=$sws_version" >> config.mak
  echo "SLIBNAME=${SLIBNAME}" >> config.mak
  echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
  echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
  echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
  echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
BLOCK_QUOTE
fi
if enabled pthreads; then
  if test $targetos != freebsd -a $targetos != openbsd ; then
     extralibs="$extralibs -lpthread"
  fi
fi
echo "" >>$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_arts; then
    append CCONFIG "using_arts"
  echo "CONFIG_AUDIO_ARTS_LIBS=$audio_arts_libs" >> $MYTH_CONFIG_MAK
  echo "CONFIG_AUDIO_ARTS_CFLAGS=$audio_arts_cflags" >> $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 mac_bundle; then
  append CCONFIG "mac_bundle"
fi

if enabled mac_corevideo; then
  append CCONFIG "using_corevideo"
fi

if test x"$targetos" = x"cygwin" ; then
  echo "#define CONFIG_CYGWIN 1" >> $TMPH
  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

echo "EXTRALIBS=$extralibs" >> $MYTH_CONFIG_MAK

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   \
                                      $DECODER_LIST  \
                                      $ENCODER_LIST  \
                                      $PARSER_LIST   \
                                      $BSF_LIST      \
                                      $DEMUXER_LIST  \
                                      $MUXER_LIST    \
                                      $PROTOCOL_LIST \
                                      $MYTHTV_LIST   \
                                      $MYTHTV_CONFIG_LIST   \

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

if enabled small; then
  echo "#define av_always_inline"  >> $TMPH
fi

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


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



# build tree in object directory if source path is different from current one
if enabled source_path_used; then
    DIRS="\
         doc \
         libavcodec \
         libavcodec/alpha \
         libavcodec/armv4l \
         libavcodec/bfin \
         libavcodec/i386 \
         libavcodec/mlib \
         libavcodec/ppc \
         libavcodec/sh4 \
         libavcodec/sparc \
         libavformat \
         libavutil \
         libpostproc \
         libswscale \
         tests \
         tools \
         vhook \
         "
    FILES="\
          Makefile \
          common.mak \
          doc/texi2pod.pl \
          libavcodec/Makefile \
          libavformat/Makefile \
          libavutil/Makefile \
          libpostproc/Makefile \
          libswscale/Makefile \
          "
    for dir in $DIRS ; do
            mkdir -p $dir
    done
    for f in $FILES ; do
        $ln_s "$source_path/$f" $f
    done
fi
echo "SRC_PATH='$source_path'" >> $MYTH_CONFIG_MAK

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."
elif disabled proc_opt && enabled dvb; then
    echo
    echo "WARNING: If you plan to watch HDTV recordings you probably"
    echo "         need to run ./configure with --enable-proc-opt   "
fi

echo # add a newline after any warnings.

if enabled mmx; then
  CONFIG_DEFINES="$CONFIG_DEFINES MMX"
  if test x"$arch" != x"x86_64" ; then
    CONFIG_DEFINES="$CONFIG_DEFINES i386"
  fi
fi

if enabled firewire; then
  if test $targetos = darwin; then
      echo "CONFIG_MAC_AVC=$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 lirc; then
  echo "CONFIG_LIRC_LIBS=-llirc_client" >> $MYTH_CONFIG_MAK
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
  if [ -d $x11_include_path ] ; then
    append CONFIG_INCLUDEPATH "$x11_include_path"
  fi
fi

if enabled xv; then
  echo "CONFIG_XV_LIBS=-lXinerama -lXv -lX11 -lXext -lXxf86vm" >> $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" >> $MYTH_CONFIG_MAK
  if test x"$VENDOR_XVMC_LIBS" = x"-lXvMCNVIDIA" ; then
      append CCONFIG "using_xvmc_pbuffer"
  fi
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 directx; then
  append CONFIG_DEFINES "USING_DIRECTX"
fi

if enabled opengl; then
  echo "CONFIG_OPENGL_LIBS=-lGL -lGLU" >> $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 /* FFMPEG_CONFIG_H */" >> $TMPH

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

# 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

END

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

if test -x $QTDIR/bin/qmake; then
  $QTDIR/bin/qmake QMAKE=${QTDIR}/bin/qmake mythtv.pro
else
  qmake mythtv.pro
fi

