# HG changeset patch
# User Rohit Joshi <jozee@slitaz.org>
# Date 1240427257 0
# Node ID cbbe39d2645a7cd1df0841423618deb9519c0d90
# Parent  0f5ea8972a3849476e7b391293c3565a461c5100
missing ffmpeg stuff/configure

diff -r 0f5ea8972a38 -r cbbe39d2645a ffmpeg/stuff/configure
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ffmpeg/stuff/configure	Wed Apr 22 19:07:37 2009 +0000
@@ -0,0 +1,2595 @@
+#!/bin/sh
+#
+# FFmpeg configure script
+#
+# Copyright (c) 2000-2002 Fabrice Bellard
+# Copyright (c) 2005-2008 Diego Biurrun
+# Copyright (c) 2005-2008 Mans Rullgard
+#
+
+# Prevent locale nonsense from breaking basic text processing.
+LC_ALL=C
+export LC_ALL
+
+# make sure we are running under a compatible shell
+# try to make this part work with most shells
+
+try_exec(){
+    echo "Trying shell $1"
+    type "$1" > /dev/null 2>&1 && exec "$@"
+}
+
+unset foo
+(: ${foo%%bar}) 2> /dev/null
+E1="$?"
+
+(: ${foo?}) 2> /dev/null
+E2="$?"
+
+if test "$E1" != 0 || test "$E2" = 0; then
+    echo "Broken shell detected.  Trying alternatives."
+    export FF_CONF_EXEC
+    if test "0$FF_CONF_EXEC" -lt 1; then
+        FF_CONF_EXEC=1
+        try_exec bash "$0" "$@"
+    fi
+    if test "0$FF_CONF_EXEC" -lt 2; then
+        FF_CONF_EXEC=2
+        try_exec ksh "$0" "$@"
+    fi
+    if test "0$FF_CONF_EXEC" -lt 3; then
+        FF_CONF_EXEC=3
+        try_exec /usr/xpg4/bin/sh "$0" "$@"
+    fi
+    echo "No compatible shell script interpreter found."
+    echo "This configure script requires a POSIX-compatible shell"
+    echo "such as bash or ksh."
+    echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
+    echo "Instead, install a working POSIX-compatible shell."
+    echo "Disabling this configure test will create a broken FFmpeg."
+    if test "$BASH_VERSION" = '2.04.0(1)-release'; then
+        echo "This bash version ($BASH_VERSION) is broken on your platform."
+        echo "Upgrade to a later version if available."
+    fi
+    exit 1
+fi
+
+show_help(){
+  echo "Usage: configure [options]"
+  echo "Options: [defaults in brackets after descriptions]"
+  echo
+  echo "Standard options:"
+  echo "  --help                   print this message"
+  echo "  --logfile=FILE           log tests and output to FILE [config.err]"
+  echo "  --disable-logging        do not log configure debug information"
+  echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
+  echo "  --bindir=DIR             install binaries in DIR [PREFIX/bin]"
+  echo "  --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]"
+  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]"
+  echo "  --mandir=DIR             install man page in DIR [PREFIX/share/man]"
+  echo
+  echo "Configuration options:"
+  echo "  --disable-static         do not build static libraries [no]"
+  echo "  --enable-shared          build shared libraries [no]"
+  echo "  --enable-gpl             allow use of GPL code, the resulting libs"
+  echo "                           and binaries will be under GPL [no]"
+  echo "  --enable-nonfree         allow use of nonfree code, the resulting libs"
+  echo "                           and binaries will be unredistributable [no]"
+  echo "  --disable-ffmpeg         disable ffmpeg build"
+  echo "  --disable-ffplay         disable ffplay build"
+  echo "  --disable-ffserver       disable ffserver build"
+  echo "  --enable-postproc        enable GPLed postprocessing support [no]"
+  echo "  --enable-avfilter        video filter support [no]"
+  echo "  --enable-avfilter-lavf   video filters dependent on avformat [no]"
+  echo "  --enable-beosthreads     use BeOS threads [no]"
+  echo "  --enable-os2threads      use OS/2 threads [no]"
+  echo "  --enable-pthreads        use pthreads [no]"
+  echo "  --enable-w32threads      use Win32 threads [no]"
+  echo "  --enable-x11grab         enable X11 grabbing [no]"
+  echo "  --disable-network        disable network support [no]"
+  echo "  --disable-ipv6           disable IPv6 support [no]"
+  echo "  --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]"
+  echo "  --enable-gray            enable full grayscale support (slower color)"
+  echo "  --disable-swscale-alpha  disable alpha channel support in swscale"
+  echo "  --disable-fastdiv        disable table-based division"
+  echo "  --enable-small           optimize for size instead of speed"
+  echo "  --disable-aandct         disable AAN DCT code"
+  echo "  --disable-fft            disable FFT code"
+  echo "  --disable-golomb         disable Golomb code"
+  echo "  --disable-mdct           disable MDCT code"
+  echo "  --disable-rdft           disable RDFT code"
+  echo "  --enable-hardcoded-tables use hardcoded tables instead of runtime generation"
+  echo "  --enable-memalign-hack   emulate memalign, interferes with memory debuggers"
+  echo "  --enable-beos-netserver  enable BeOS netserver"
+  echo "  --disable-encoder=NAME   disable encoder NAME"
+  echo "  --enable-encoder=NAME    enable encoder NAME"
+  echo "  --disable-encoders       disable all encoders"
+  echo "  --disable-decoder=NAME   disable decoder NAME"
+  echo "  --enable-decoder=NAME    enable decoder NAME"
+  echo "  --disable-decoders       disable all decoders"
+  echo "  --disable-hwaccel=NAME   disable hwaccel NAME"
+  echo "  --enable-hwaccel=NAME    enable hwaccel NAME"
+  echo "  --disable-hwaccels       disable all hwaccels"
+  echo "  --disable-muxer=NAME     disable muxer NAME"
+  echo "  --enable-muxer=NAME      enable muxer NAME"
+  echo "  --disable-muxers         disable all muxers"
+  echo "  --disable-demuxer=NAME   disable demuxer NAME"
+  echo "  --enable-demuxer=NAME    enable demuxer NAME"
+  echo "  --disable-demuxers       disable all demuxers"
+  echo "  --enable-parser=NAME     enable parser NAME"
+  echo "  --disable-parser=NAME    disable parser NAME"
+  echo "  --disable-parsers        disable all parsers"
+  echo "  --enable-bsf=NAME        enable bitstream filter NAME"
+  echo "  --disable-bsf=NAME       disable bitstream filter NAME"
+  echo "  --disable-bsfs           disable all bitstream filters"
+  echo "  --enable-protocol=NAME   enable protocol NAME"
+  echo "  --disable-protocol=NAME  disable protocol NAME"
+  echo "  --disable-protocols      disable all protocols"
+  echo "  --disable-indevs         disable input devices"
+  echo "  --disable-outdevs        disable output devices"
+  echo "  --disable-devices        disable all devices"
+  echo "  --enable-filter=NAME     enable filter NAME"
+  echo "  --disable-filter=NAME    disable filter NAME"
+  echo "  --disable-filters        disable all filters"
+  echo "  --list-decoders          show all available decoders"
+  echo "  --list-encoders          show all available encoders"
+  echo "  --list-hwaccels          show all available hardware accelerators"
+  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 "  --list-indevs            show all available input devices"
+  echo "  --list-outdevs           show all available output devices"
+  echo "  --list-filters           show all available filters"
+  echo
+  echo "External library support:"
+  echo "  --enable-avisynth        enable reading of AVISynth script files [no]"
+  echo "  --enable-bzlib           enable bzlib [autodetect]"
+  echo "  --enable-libamr-nb       enable libamr-nb floating point audio codec [no]"
+  echo "  --enable-libamr-wb       enable libamr-wb floating point audio codec [no]"
+  echo "  --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394"
+  echo "                           and libraw1394 [no]"
+  echo "  --enable-libdirac        enable Dirac support via libdirac [no]"
+  echo "  --enable-libfaac         enable FAAC support via libfaac [no]"
+  echo "  --enable-libfaad         enable FAAD support via libfaad [no]"
+  echo "  --enable-libfaadbin      open libfaad.so.0 at runtime [no]"
+  echo "  --enable-libgsm          enable GSM support via libgsm [no]"
+  echo "  --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]"
+  echo "  --enable-libnut          enable NUT (de)muxing via libnut,"
+  echo "                           native (de)muxer exists [no]"
+  echo "  --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]"
+  echo "  --enable-libschroedinger enable Dirac support via libschroedinger [no]"
+  echo "  --enable-libspeex        enable Speex decoding via libspeex [no]"
+  echo "  --enable-libtheora       enable Theora encoding via libtheora [no]"
+  echo "  --enable-libvorbis       enable Vorbis encoding via libvorbis,"
+  echo "                           native implementation exists [no]"
+  echo "  --enable-libx264         enable H.264 encoding via x264 [no]"
+  echo "  --enable-libxvid         enable Xvid encoding via xvidcore,"
+  echo "                           native MPEG-4/Xvid encoder exists [no]"
+  echo "  --enable-mlib            enable Sun medialib [no]"
+  echo "  --enable-zlib            enable zlib [autodetect]"
+  echo ""
+  echo "Advanced options (experts only):"
+  echo "  --source-path=PATH       path to source code [$source_path]"
+  echo "  --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]"
+  echo "  --enable-cross-compile   assume a cross-compiler is used"
+  echo "  --sysroot=PATH           root of cross-build tree"
+  echo "  --sysinclude=PATH        location of cross-build system headers"
+  echo "  --target-os=OS           compiler targets OS [$target_os]"
+  echo "  --target-exec=CMD        command to run executables on target"
+  echo "  --target-path=DIR        path to view of build directory on target"
+  echo "  --nm=NM                  use nm tool"
+  echo "  --as=AS                  use assembler AS [$as_default]"
+  echo "  --cc=CC                  use C compiler CC [$cc_default]"
+  echo "  --host-cc=HOSTCC         use host C compiler HOSTCC"
+  echo "  --host-cflags=HCFLAGS    use HCFLAGS when compiling for host"
+  echo "  --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host"
+  echo "  --host-libs=HLIBS        use libs HLIBS when linking for host"
+  echo "  --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]"
+  echo "  --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
+  echo "  --extra-libs=ELIBS       add ELIBS [$ELIBS]"
+  echo "  --extra-version=STRING   version string suffix []"
+  echo "  --build-suffix=SUFFIX    library name suffix []"
+  echo "  --arch=ARCH              select architecture [$arch]"
+  echo "  --cpu=CPU                select the minimum required CPU (affects"
+  echo "                           instruction selection, may crash on older CPUs)"
+  echo "  --enable-powerpc-perf    enable performance report on PPC"
+  echo "                           (requires enabling PMC)"
+  echo "  --disable-altivec        disable AltiVec optimizations"
+  echo "  --disable-amd3dnow       disable 3DNow! optimizations"
+  echo "  --disable-amd3dnowext    disable 3DNow! extended optimizations"
+  echo "  --disable-mmx            disable MMX optimizations"
+  echo "  --disable-mmx2           disable MMX2 optimizations"
+  echo "  --disable-sse            disable SSE optimizations"
+  echo "  --disable-ssse3          disable SSSE3 optimizations"
+  echo "  --disable-armv5te        disable armv5te optimizations"
+  echo "  --disable-armv6          disable armv6 optimizations"
+  echo "  --disable-armv6t2        disable armv6t2 optimizations"
+  echo "  --disable-armvfp         disable ARM VFP optimizations"
+  echo "  --disable-iwmmxt         disable iwmmxt optimizations"
+  echo "  --disable-mmi            disable MMI optimizations"
+  echo "  --disable-neon           disable neon optimizations"
+  echo "  --disable-vis            disable VIS optimizations"
+  echo "  --disable-yasm           disable use of yasm assembler"
+  echo
+  echo "Developer options (useful when working on FFmpeg itself):"
+  echo "  --disable-debug          disable debugging symbols"
+  echo "  --enable-debug=LEVEL     set the debug level [$debuglevel]"
+  echo "  --enable-gprof           enable profiling with gprof [$gprof]"
+  echo "  --disable-optimizations  disable compiler optimizations"
+  echo "  --enable-extra-warnings  enable more compiler warnings"
+  echo "  --disable-stripping      disable stripping of executables and shared libraries"
+  echo ""
+  echo "NOTE: Object files are built at the place where configure is launched."
+  exit 0
+}
+
+log(){
+    echo "$@" >> $logfile
+}
+
+log_file(){
+    log BEGIN $1
+    cat $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
+ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
+EOF
+    if disabled logging; then
+        cat <<EOF
+Rerun configure with logging enabled (do not use --disable-logging), and
+include the log this produces with your report.
+EOF
+    else
+cat <<EOF
+Include the log file "$logfile" produced by configure as this will help
+solving the problem.
+EOF
+    fi
+    exit 1
+}
+
+# Avoid locale weirdness, besides we really just want to translate ASCII.
+toupper(){
+    echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
+}
+
+tolower(){
+    echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
+}
+
+c_escape(){
+    echo "$*" | sed 's/["\\]/\\\0/g'
+}
+
+set_all(){
+    value=$1
+    shift
+    for var in $*; do
+        eval $var=$value
+    done
+}
+
+set_weak(){
+    value=$1
+    shift
+    for var; do
+        eval : \${$var:=$value}
+    done
+}
+
+pushvar(){
+    for var in $*; do
+        eval level=\${${var}_level:=0}
+        eval ${var}_${level}="\$$var"
+        eval ${var}_level=$(($level+1))
+    done
+}
+
+popvar(){
+    for var in $*; do
+        eval level=\${${var}_level:-0}
+        test $level = 0 && continue
+        eval level=$(($level-1))
+        eval $var="\${${var}_${level}}"
+        eval ${var}_level=$level
+        eval unset ${var}_${level}
+    done
+}
+
+enable(){
+    set_all yes $*
+}
+
+disable(){
+    set_all no $*
+}
+
+enable_weak(){
+    set_weak yes $*
+}
+
+disable_weak(){
+    set_weak no $*
+}
+
+enable_safe(){
+    enable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
+}
+
+disable_safe(){
+    disable $(echo "$*" | sed 's/[^A-Za-z0-9_ ]/_/g')
+}
+
+do_enable_deep(){
+    for var; do
+        enabled $var && continue
+        eval sel="\$${var}_select"
+        eval sgs="\$${var}_suggest"
+        pushvar var sgs
+        enable_deep $sel
+        popvar sgs
+        enable_deep_weak $sgs
+        popvar var
+    done
+}
+
+enable_deep(){
+    do_enable_deep $*
+    enable $*
+}
+
+enable_deep_weak(){
+    do_enable_deep $*
+    enable_weak $*
+}
+
+enabled(){
+    test "${1#!}" = "$1" && op== || op=!=
+    eval test "x\$${1#!}" $op "xyes"
+}
+
+disabled(){
+    test "${1#!}" = "$1" && op== || op=!=
+    eval test "x\$${1#!}" $op "xno"
+}
+
+enabled_all(){
+    for opt; do
+        enabled $opt || return 1
+    done
+}
+
+disabled_all(){
+    for opt; do
+        disabled $opt || return 1
+    done
+}
+
+enabled_any(){
+    for opt; do
+        enabled $opt && return 0
+    done
+}
+
+disabled_any(){
+    for opt; do
+        disabled $opt && return 0
+    done
+    return 1
+}
+
+set_default(){
+    for opt; do
+        eval : \${$opt:=\$${opt}_default}
+    done
+}
+
+is_in(){
+    value=$1
+    shift
+    for var in $*; do
+        [ $var = $value ] && return 0
+    done
+    return 1
+}
+
+check_deps(){
+    for cfg; do
+        cfg="${cfg#!}"
+        enabled ${cfg}_checking && die "Circular dependency for $cfg."
+        disabled ${cfg}_checking && continue
+        enable ${cfg}_checking
+
+        eval dep_all="\$${cfg}_deps"
+        eval dep_any="\$${cfg}_deps_any"
+        eval dep_sel="\$${cfg}_select"
+        eval dep_sgs="\$${cfg}_suggest"
+
+        pushvar cfg dep_all dep_any dep_sel dep_sgs
+        check_deps $dep_all $dep_any $dep_sel $dep_sgs
+        popvar cfg dep_all dep_any dep_sel dep_sgs
+
+        enabled_all  $dep_all || disable $cfg
+        enabled_any  $dep_any || disable $cfg
+        disabled_any $dep_sel && disable $cfg
+
+        if enabled $cfg; then
+            eval dep_extralibs="\$${cfg}_extralibs"
+            test -n "$dep_extralibs" && add_extralibs $dep_extralibs
+            enable_deep $dep_sel
+            enable_deep_weak $dep_sgs
+        fi
+
+        disable ${cfg}_checking
+    done
+}
+
+print_config(){
+    pfx=$1
+    header=$2
+    makefile=$3
+    shift 3
+    for cfg; do
+        ucname="$(toupper $cfg)"
+        if enabled $cfg; then
+            echo "#define ${pfx}${ucname} 1" >> $header
+            echo "${pfx}${ucname}=yes" >> $makefile
+        else
+            echo "#define ${pfx}${ucname} 0" >> $header
+        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_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 $CFLAGS "$@" -c -o $TMPO $TMPC
+}
+
+check_cpp(){
+    log check_cpp "$@"
+    cat > $TMPC
+    log_file $TMPC
+    check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
+}
+
+check_as(){
+    log check_as "$@"
+    cat > $TMPC
+    log_file $TMPC
+    check_cmd $as $CFLAGS "$@" -c -o $TMPO $TMPC
+}
+
+check_asm(){
+    log check_asm "$@"
+    name="$1"
+    asm="$2"
+    shift 2
+    check_as "$@" <<EOF && enable $name || disable $name
+void foo(void){ __asm__ volatile($asm); }
+EOF
+}
+
+check_yasm(){
+    log check_yasm "$@"
+    echo "$1" > $TMPS
+    log_file $TMPS
+    shift 1
+    check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
+}
+
+check_ld(){
+    log check_ld "$@"
+    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_ldflags(){
+    log check_ldflags "$@"
+    check_ld "$@" <<EOF && add_ldflags "$@"
+int main(void){ return 0; }
+EOF
+}
+
+check_header(){
+    log check_header "$@"
+    header=$1
+    shift
+    disable_safe $header
+    check_cpp "$@" <<EOF && enable_safe $header
+#include <$header>
+int x;
+EOF
+}
+
+check_func(){
+    log check_func "$@"
+    func=$1
+    shift
+    disable $func
+    check_ld "$@" <<EOF && enable $func
+extern int $func();
+int main(void){ $func(); }
+EOF
+}
+
+check_func_headers(){
+    log check_func_headers "$@"
+    headers=$1
+    func=$2
+    shift 2
+    disable $func
+    incs=""
+    for hdr in $headers; do
+        incs="$incs
+#include <$hdr>"
+    done
+    check_ld "$@" <<EOF && enable $func && enable_safe $headers
+$incs
+int main(int argc, char **argv){
+    (void) $func;
+    return 0;
+}
+EOF
+}
+
+check_cpp_condition(){
+    log check_cpp_condition "$@"
+    header=$1
+    condition=$2
+    check_cpp <<EOF
+#include <$header>
+#if !($condition)
+#error "unsatisfied condition: $condition"
+#endif
+EOF
+}
+
+check_lib(){
+    log check_lib "$@"
+    header="$1"
+    func="$2"
+    shift 2
+    temp_extralibs "$@"
+    check_header $header && check_func $func && add_extralibs "$@"
+    err=$?
+    restore_flags
+    return $err
+}
+
+check_lib2(){
+    log check_lib2 "$@"
+    headers="$1"
+    func="$2"
+    shift 2
+    temp_extralibs "$@"
+    check_func_headers "$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(void){
+    signal(SIGILL, sighandler);
+    signal(SIGFPE, sighandler);
+    signal(SIGSEGV, sighandler);
+#ifdef SIGBUS
+    signal(SIGBUS, sighandler);
+#endif
+    { $code }
+}
+EOF
+}
+
+check_type(){
+    log check_type "$@"
+    headers=$1
+    type=$2
+    shift 2
+    disable $type
+    incs=""
+    for hdr in $headers; do
+        incs="$incs
+#include <$hdr>"
+    done
+    check_cc "$@" <<EOF && enable $type
+$incs
+$type v;
+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"
+}
+
+# CONFIG_LIST contains configurable options, while HAVE_LIST is for
+# system-dependent things.
+
+COMPONENT_LIST="
+    bsfs
+    decoders
+    demuxers
+    encoders
+    filters
+    hwaccels
+    indevs
+    muxers
+    outdevs
+    parsers
+    protocols
+"
+
+CONFIG_LIST="
+    $COMPONENT_LIST
+    aandct
+    avfilter
+    avfilter_lavf
+    avisynth
+    beos_netserver
+    bzlib
+    fastdiv
+    ffmpeg
+    ffplay
+    ffserver
+    fft
+    golomb
+    gpl
+    gprof
+    gray
+    hardcoded_tables
+    ipv6
+    libamr_nb
+    libamr_wb
+    libdc1394
+    libdirac
+    libfaac
+    libfaad
+    libfaadbin
+    libgsm
+    libmp3lame
+    libnut
+    libopenjpeg
+    libschroedinger
+    libspeex
+    libtheora
+    libvorbis
+    libx264
+    libxvid
+    mdct
+    memalign_hack
+    mlib
+    mpegaudio_hp
+    network
+    nonfree
+    postproc
+    powerpc_perf
+    rdft
+    shared
+    small
+    static
+    swscale_alpha
+    x11grab
+    zlib
+"
+
+THREADS_LIST='
+    beosthreads
+    os2threads
+    pthreads
+    w32threads
+'
+
+ARCH_LIST='
+    alpha
+    arm
+    bfin
+    ia64
+    m68k
+    mips
+    parisc
+    ppc
+    s390
+    sh4
+    sparc
+    sparc64
+    x86
+    x86_32
+    x86_64
+'
+
+ARCH_EXT_LIST='
+    altivec
+    amd3dnow
+    amd3dnowext
+    armv5te
+    armv6
+    armv6t2
+    armvfp
+    iwmmxt
+    mmi
+    mmx
+    mmx2
+    neon
+    ppc4xx
+    sse
+    ssse3
+    vis
+'
+
+HAVE_LIST="
+    $ARCH_EXT_LIST
+    $THREADS_LIST
+    alsa_asoundlib_h
+    altivec_h
+    arpa_inet_h
+    bswap
+    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
+    dos_paths
+    ebp_available
+    ebx_available
+    fast_64bit
+    fast_cmov
+    fast_unaligned
+    fork
+    gethrtime
+    GetProcessTimes
+    getrusage
+    inet_aton
+    inline_asm
+    libdc1394_1
+    libdc1394_2
+    llrint
+    lrint
+    lrintf
+    machine_ioctl_bt848_h
+    machine_ioctl_meteor_h
+    malloc_h
+    memalign
+    mkstemp
+    pld
+    posix_memalign
+    ppc64
+    round
+    roundf
+    sdl
+    sdl_video_size
+    setmode
+    socklen_t
+    soundcard_h
+    poll_h
+    sys_mman_h
+    sys_resource_h
+    sys_select_h
+    sys_soundcard_h
+    sys_videoio_h
+    ten_operands
+    termios_h
+    threads
+    truncf
+    VirtualAlloc
+    winsock2_h
+    yasm
+"
+
+# options emitted with CONFIG_ prefix but not available on command line
+CONFIG_EXTRA="
+"
+
+CMDLINE_SELECT="
+    $ARCH_EXT_LIST
+    $CONFIG_LIST
+    $THREADS_LIST
+    cross_compile
+    debug
+    extra_warnings
+    logging
+    optimizations
+    stripping
+    yasm
+"
+
+PATHS_LIST='
+    bindir
+    datadir
+    incdir
+    libdir
+    mandir
+    prefix
+    shlibdir
+'
+
+CMDLINE_SET="
+    $PATHS_LIST
+    arch
+    as
+    build_suffix
+    cc
+    cpu
+    cross_prefix
+    extra_version
+    host_cc
+    host_cflags
+    host_ldflags
+    host_libs
+    host_os
+    logfile
+    nm
+    source_path
+    sysinclude
+    sysroot
+    target_exec
+    target_os
+    target_path
+"
+
+# code dependency declarations
+
+# architecture extensions
+altivec_deps="ppc"
+amd3dnow_deps="mmx"
+amd3dnowext_deps="amd3dnow"
+armv5te_deps="arm"
+armv6_deps="arm"
+armv6t2_deps="arm"
+armvfp_deps="arm"
+iwmmxt_deps="arm"
+mmi_deps="mips"
+mmx_deps="x86"
+mmx2_deps="mmx"
+neon_deps="arm"
+ppc4xx_deps="ppc"
+sse_deps="mmx"
+ssse3_deps="sse"
+vis_deps="sparc"
+
+# decoders / encoders / hardware accelerators
+aac_decoder_select="fft mdct"
+ac3_decoder_deps="gpl"
+ac3_decoder_select="fft mdct"
+atrac3_decoder_select="fft mdct"
+cavs_decoder_select="golomb"
+cook_decoder_select="fft mdct"
+cscd_decoder_suggest="zlib"
+dca_decoder_select="fft mdct"
+dnxhd_encoder_select="aandct"
+dxa_decoder_select="zlib"
+eac3_decoder_deps="gpl"
+eac3_decoder_select="fft mdct"
+eatgq_decoder_select="aandct"
+eatqi_decoder_select="aandct"
+ffv1_decoder_select="golomb"
+flac_decoder_select="golomb"
+flac_encoder_select="golomb"
+flashsv_decoder_select="zlib"
+flashsv_encoder_select="zlib"
+flv_encoder_select="aandct"
+h261_encoder_select="aandct"
+h263_encoder_select="aandct"
+h263_vaapi_hwaccel_deps="va_va_h"
+h263p_encoder_select="aandct"
+h264_decoder_select="golomb"
+h264_vaapi_hwaccel_deps="va_va_h"
+h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
+imc_decoder_select="fft mdct"
+jpegls_decoder_select="golomb"
+jpegls_encoder_select="golomb"
+ljpeg_encoder_select="aandct"
+loco_decoder_select="golomb"
+mjpeg_encoder_select="aandct"
+mpeg1video_encoder_select="aandct"
+mpeg2video_encoder_select="aandct"
+mpeg4_encoder_select="aandct"
+mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
+mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
+mpeg2_vaapi_hwaccel_deps="va_va_h"
+mpeg4_vaapi_hwaccel_deps="va_va_h"
+mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
+msmpeg4v1_encoder_select="aandct"
+msmpeg4v2_encoder_select="aandct"
+msmpeg4v3_encoder_select="aandct"
+nellymoser_decoder_select="fft mdct"
+nellymoser_encoder_select="fft mdct"
+png_decoder_select="zlib"
+png_encoder_select="zlib"
+qdm2_decoder_select="fft mdct rdft"
+rv10_encoder_select="aandct"
+rv20_encoder_select="aandct"
+rv30_decoder_select="golomb"
+rv40_decoder_select="golomb"
+shorten_decoder_select="golomb"
+sonic_decoder_select="golomb"
+sonic_encoder_select="golomb"
+sonic_ls_encoder_select="golomb"
+svq3_decoder_select="golomb"
+svq3_decoder_suggest="zlib"
+tiff_decoder_suggest="zlib"
+tiff_encoder_suggest="zlib"
+tscc_decoder_select="zlib"
+vc1_vaapi_hwaccel_deps="va_va_h"
+vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
+vorbis_decoder_select="fft mdct"
+vorbis_encoder_select="fft mdct"
+wmav1_decoder_select="fft mdct"
+wmav1_encoder_select="fft mdct"
+wmav2_decoder_select="fft mdct"
+wmav2_encoder_select="fft mdct"
+wmv1_encoder_select="aandct"
+wmv2_encoder_select="aandct"
+wmv3_vaapi_hwaccel_deps="va_va_h"
+wmv3_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
+zlib_decoder_select="zlib"
+zlib_encoder_select="zlib"
+zmbv_decoder_select="zlib"
+zmbv_encoder_select="zlib"
+
+# external libraries
+libamr_nb_decoder_deps="libamr_nb"
+libamr_nb_encoder_deps="libamr_nb"
+libamr_wb_decoder_deps="libamr_wb"
+libamr_wb_encoder_deps="libamr_wb"
+libdirac_decoder_deps="libdirac !libschroedinger"
+libdirac_encoder_deps="libdirac"
+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"
+libopenjpeg_decoder_deps="libopenjpeg"
+libschroedinger_decoder_deps="libschroedinger"
+libschroedinger_encoder_deps="libschroedinger"
+libspeex_decoder_deps="libspeex"
+libtheora_encoder_deps="libtheora"
+libvorbis_encoder_deps="libvorbis"
+libx264_encoder_deps="libx264"
+libxvid_encoder_deps="libxvid"
+
+# demuxers / muxers
+ac3_demuxer_deps="ac3_parser"
+alsa_demuxer_deps="alsa_asoundlib_h snd_pcm_htimestamp"
+alsa_demuxer_extralibs="-lasound"
+alsa_muxer_deps="alsa_asoundlib_h"
+alsa_muxer_extralibs="-lasound"
+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"
+dirac_demuxer_deps="dirac_parser"
+dv1394_demuxer_deps="dv1394 dv_demuxer"
+jack_demuxer_deps="jack_jack_h"
+jack_demuxer_extralibs="-ljack"
+libdc1394_demuxer_deps="libdc1394"
+libnut_demuxer_deps="libnut"
+libnut_muxer_deps="libnut"
+matroska_demuxer_suggest="zlib bzlib"
+mov_demuxer_suggest="zlib"
+mp3_demuxer_deps="mpegaudio_parser"
+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 rtp_protocol"
+rtsp_demuxer_deps="sdp_demuxer"
+sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
+v4l_demuxer_deps="linux_videodev_h"
+v4l2_demuxer_deps_any="linux_videodev2_h sys_videoio_h"
+vfwcap_demuxer_deps="capCreateCaptureWindow"
+vfwcap_demuxer_extralibs="-lvfw32"
+x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
+x11_grab_device_demuxer_extralibs="-lX11 -lXext"
+
+# protocols
+gopher_protocol_deps="network"
+http_protocol_deps="network"
+rtp_protocol_deps="udp_protocol"
+tcp_protocol_deps="network"
+udp_protocol_deps="network"
+
+# filters
+movie_filter_deps="avfilter_lavf"
+
+# programs
+ffplay_deps="sdl"
+ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
+ffserver_extralibs='$ldl'
+
+
+# default parameters
+
+logfile="config.err"
+
+# installation paths
+prefix_default="/usr/local"
+bindir_default='${prefix}/bin'
+datadir_default='${prefix}/share/ffmpeg'
+incdir_default='${prefix}/include'
+libdir_default='${prefix}/lib'
+mandir_default='${prefix}/share/man'
+shlibdir_default="$libdir_default"
+
+# toolchain
+ar="ar"
+cc_default="gcc"
+host_cc_default="gcc"
+ln_s="ln -sf"
+nm_default="nm"
+objformat="elf"
+ranlib="ranlib"
+strip="strip"
+yasmexe="yasm"
+
+# machine
+arch=$(uname -m)
+cpu="generic"
+
+# OS
+target_os=$(tolower $(uname -s))
+host_os=$target_os
+
+# configurable options
+enable debug
+enable fastdiv
+enable ffmpeg
+enable ffplay
+enable ffserver
+enable ipv6
+enable mpegaudio_hp
+enable network
+enable optimizations
+enable protocols
+enable static
+enable stripping
+enable swscale_alpha
+
+# build settings
+add_cflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
+SHFLAGS='-shared -Wl,-soname,$$(@F)'
+FFSERVERLDFLAGS=-Wl,-E
+LIBPREF="lib"
+LIBSUF=".a"
+FULLNAME='$(NAME)$(BUILDSUF)'
+LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
+SLIBPREF="lib"
+SLIBSUF=".so"
+SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
+SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
+SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
+LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
+
+host_cflags='-O3 -g -Wall'
+host_libs='-lm'
+
+target_path='.'
+
+# gcc stupidly only outputs the basename of targets with -MM, but we need the
+# full relative path for objects in subdirectories for non-recursive Make.
+DEPEND_CMD='$(CC) $(CFLAGS) -MM $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
+
+# 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 "$source_path" | grep -q '[[:blank:]]' &&
+        die "Out of tree builds are impossible with whitespace in source path."
+    test -e "$source_path/config.h" &&
+        die "Out of tree builds are impossible with config.h in source dir."
+fi
+
+for v in "$@"; do
+    r="${v#*=}"
+    l="${v%$r}"
+    test "$r" = "${r#* }" || r="'$r'"
+    FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
+done
+
+find_things(){
+    thing=$1
+    pattern=$2
+    file=$source_path/$3
+    sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
+}
+
+ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
+DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
+HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
+PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
+BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
+MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
+DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
+OUTDEV_LIST=$(find_things   muxer    _MUX     libavdevice/alldevices.c)
+INDEV_LIST=$(find_things    demuxer  DEMUX    libavdevice/alldevices.c)
+PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
+FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
+
+enable $ARCH_EXT_LIST \
+       $DECODER_LIST \
+       $ENCODER_LIST \
+       $HWACCEL_LIST \
+       $PARSER_LIST \
+       $BSF_LIST \
+       $DEMUXER_LIST \
+       $MUXER_LIST \
+       $FILTER_LIST \
+       $PROTOCOL_LIST \
+       $INDEV_LIST \
+       $OUTDEV_LIST \
+
+die_unknown(){
+    echo "Unknown option \"$1\"."
+    echo "See $0 --help for available options."
+    exit 1
+}
+
+show_list() {
+    suffix=_$1
+    shift
+    echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
+    exit 0
+}
+
+for opt do
+    optval="${opt#*=}"
+    case "$opt" in
+    --extra-cflags=*) add_cflags $optval
+    ;;
+    --extra-ldflags=*) add_ldflags $optval
+    ;;
+    --extra-libs=*) add_extralibs $optval
+    ;;
+    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
+    ;;
+    --enable-debug=*) debuglevel="$optval"
+    ;;
+    --enable-*=*|--disable-*=*)
+    eval $(echo "$opt" | sed 's/=/-/;s/--/action=/;s/-/ thing=/;s/-/ name=/')
+    case "$thing" in
+        encoder|decoder|hwaccel|muxer|demuxer|parser|bsf|protocol|filter) $action ${optval}_${thing} ;;
+        *) die_unknown "$opt" ;;
+    esac
+    ;;
+    --enable-?*|--disable-?*)
+    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
+    if is_in $option $COMPONENT_LIST; then
+        eval $action \$$(toupper ${option%s})_LIST
+    elif is_in $option $CMDLINE_SELECT; then
+        $action $option
+    else
+        die_unknown $opt
+    fi
+    ;;
+    --list-*)
+        NAME="${opt#--list-}"
+        is_in $NAME $COMPONENT_LIST || die_unknown $opt
+        NAME=${NAME%s}
+        eval show_list $NAME \$$(toupper $NAME)_LIST
+    ;;
+    --help|-h) show_help
+    ;;
+    *)
+    optname="${opt%%=*}"
+    optname="${optname#--}"
+    optname=$(echo "$optname" | sed 's/-/_/g')
+    is_in $optname $CMDLINE_SET || die_unknown $opt
+    eval $optname='$optval'
+    ;;
+    esac
+done
+
+disabled logging && logfile=/dev/null
+
+echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
+set >> $logfile
+
+test -n "$cross_prefix" && enable cross_compile
+
+ar="${cross_prefix}${ar}"
+cc_default="${cross_prefix}${cc_default}"
+nm_default="${cross_prefix}${nm_default}"
+ranlib="${cross_prefix}${ranlib}"
+strip="${cross_prefix}${strip}"
+
+sysinclude_default="${sysroot}/usr/include"
+
+set_default cc nm sysinclude
+as_default=$cc
+enabled cross_compile || host_cc_default=$cc
+set_default host_cc
+
+exesuf() {
+    case $1 in
+        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
+    esac
+}
+
+EXESUF=$(exesuf $target_os)
+HOSTEXESUF=$(exesuf $host_os)
+
+# set temporary file name
+: ${TMPDIR:=$TEMPDIR}
+: ${TMPDIR:=$TMP}
+: ${TMPDIR:=/tmp}
+
+TMPC="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
+TMPE="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}${EXESUF}"
+TMPH="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
+TMPO="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
+TMPS="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
+TMPSH="${TMPDIR}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.sh"
+
+# make sure we can execute files in $TMPDIR
+cat > $TMPSH 2>> $logfile <<EOF
+#! /bin/sh
+EOF
+chmod +x $TMPSH >> $logfile 2>&1
+if ! $TMPSH >> $logfile 2>&1; then
+    cat <<EOF
+Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
+variable to another directory and make sure that it is not mounted noexec.
+EOF
+    die "Sanity test failed."
+fi
+
+if   $cc --version 2>/dev/null | grep -qi gcc; then
+    cc_type=gcc
+elif $cc --version 2>/dev/null | grep -q Intel; then
+    cc_type=icc
+elif $cc -v 2>&1 | grep -q xlc; then
+    cc_type=xlc
+elif $cc -V 2>/dev/null | grep -q Compaq; then
+    cc_type=ccc
+    DEPEND_CMD='$(CC) $(CFLAGS) -M $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o,"'
+    debuglevel=3
+    add_ldflags -Wl,-z,now # calls to libots crash without this
+elif $cc --vsn 2>/dev/null | grep -q RVCT; then
+    test -d "$sysroot" || die "No valid sysroot specified."
+    cc_type=armcc
+    armcc_conf="$PWD/armcc.conf"
+    $cc --arm_linux_configure                 \
+        --arm_linux_config_file="$armcc_conf" \
+        --configure_sysroot="$sysroot"        \
+        --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
+        die "Error creating armcc configuration file."
+    cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
+    as_default="${cross_prefix}gcc"
+fi
+
+test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
+
+set_default as
+
+if test -n "$sysroot"; then
+    case "$cc_type" in
+        gcc)
+            add_cflags  --sysroot="$sysroot"
+            add_ldflags --sysroot="$sysroot"
+        ;;
+    esac
+fi
+
+# compiler sanity check
+check_exec <<EOF
+int main(void){ return 0; }
+EOF
+if test "$?" != 0; then
+    echo "$cc is unable to create an executable file."
+    if test -z "$cross_prefix" && ! enabled cross_compile ; then
+        echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
+        echo "Only do this if you know what cross compiling means."
+    fi
+    die "C compiler test failed."
+fi
+
+check_cflags -std=c99
+check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cflags -D_FILE_OFFSET_BITS=64
+#include <stdlib.h>
+EOF
+check_cc -D_LARGEFILE_SOURCE <<EOF && add_cflags -D_LARGEFILE_SOURCE
+#include <stdlib.h>
+EOF
+
+case "$arch" in
+    alpha)
+        arch="alpha"
+        enable fast_64bit
+        check_cflags -mieee
+    ;;
+    arm|armv[4567]*l)
+        arch="arm"
+    ;;
+    avr32)
+    ;;
+    bfin)
+        arch="bfin"
+    ;;
+    ia64)
+        arch="ia64"
+        enable fast_64bit
+    ;;
+    m68k)
+        arch="m68k"
+    ;;
+    mips|mipsel|IP*)
+        arch="mips"
+    ;;
+    mips64)
+        arch="mips"
+        enable fast_64bit
+    ;;
+    parisc|hppa)
+        arch="parisc"
+    ;;
+    parisc64|hppa64)
+        arch="parisc"
+        enable fast_64bit
+    ;;
+    "Power Macintosh"|ppc|powerpc)
+        arch="ppc"
+        enable fast_unaligned
+    ;;
+    ppc64)
+        arch="ppc"
+        enable fast_64bit
+        enable fast_unaligned
+    ;;
+    s390|s390x)
+        arch="s390"
+    ;;
+    sh4|sh)
+        arch="sh4"
+    ;;
+    sparc)
+        arch="sparc"
+    ;;
+    sun4u|sparc64)
+        arch="sparc"
+        subarch="sparc64"
+        enable fast_64bit
+    ;;
+    i386|i486|i586|i686|i86pc|BePC)
+        arch="x86"
+        subarch="x86_32"
+        enable fast_unaligned
+    ;;
+    x86_64|amd64)
+        arch="x86"
+        subarch="x86_32"
+        enable cmov
+        enable fast_cmov
+        enable fast_unaligned
+        check_cc <<EOF && enable fast_64bit && subarch="x86_64"
+        int test[sizeof(char*) - 7];
+EOF
+    ;;
+    *)
+        arch="unknown"
+    ;;
+esac
+
+enable $arch $subarch
+
+# OS specific
+case $target_os in
+    beos|haiku|zeta)
+        prefix_default="$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
+        SHFLAGS=-nostart
+        # enable BeOS things
+        enable audio_beos
+        # no need for libm, but the inet stuff
+        # Check for BONE
+        # XXX: actually should check for NOT net_server
+        if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
+            network_extralibs="-lbind -lsocket"
+        else
+            enable beos_netserver
+            network_extralibs="-lnet"
+        fi ;;
+    sunos)
+        FFSERVERLDFLAGS=""
+        SHFLAGS='-shared -Wl,-h,$$(@F)'
+        network_extralibs="-lsocket -lnsl"
+        add_cflags -D__EXTENSIONS__
+        ;;
+    netbsd)
+        oss_demuxer_extralibs="-lossaudio"
+        oss_muxer_extralibs="-lossaudio"
+        ;;
+    openbsd)
+        disable need_memalign
+        LIBOBJFLAGS='$(PIC)'
+        SHFLAGS='-shared'
+        oss_demuxer_extralibs="-lossaudio"
+        oss_muxer_extralibs="-lossaudio"
+        ;;
+    freebsd)
+        disable need_memalign
+        ;;
+    bsd/os)
+        osextralibs="-lpoll -lgnugetopt"
+        strip="strip -d"
+        ;;
+    darwin)
+        disable need_memalign
+        SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
+        strip="strip -x"
+        FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
+        SLIBSUF=".dylib"
+        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
+        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
+        FFSERVERLDFLAGS=-Wl,-bind_at_load
+        objformat="macho"
+        enabled x86_64 && objformat="macho64"
+        ;;
+    mingw32*)
+        target_os=mingw32
+        LIBTARGET=i386
+        if enabled x86_64; then
+            disable need_memalign
+            LIBTARGET=x64
+        fi
+        shlibdir_default="$bindir_default"
+        disable ffserver
+        SLIBPREF=""
+        SLIBSUF=".dll"
+        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
+        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
+        SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
+        SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
+            install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"'
+        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
+        SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
+        objformat="win32"
+        enable dos_paths
+        if ! enabled x86_64; then
+            check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
+                die "ERROR: MinGW runtime version must be >= 3.15."
+            enabled_any avisynth vfwcap_demuxer &&
+                { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
+                  die "ERROR: avisynth and vfwcap_demuxer require w32api version 3.13 or later."; }
+            fi
+        ;;
+    cygwin*)
+        target_os=cygwin
+        shlibdir_default="$bindir_default"
+        SLIBPREF="cyg"
+        SLIBSUF=".dll"
+        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
+        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
+        SHFLAGS='-shared -Wl,--enable-auto-image-base'
+        objformat="win32"
+        enable dos_paths
+        ;;
+    *-dos|freedos|opendos)
+        disable ffplay ffserver
+        disable $INDEV_LIST $OUTDEV_LIST
+        network_extralibs="-lsocket"
+        objformat="coff"
+        enable dos_paths
+        ;;
+    linux)
+        enable dv1394
+        ;;
+    irix*)
+        target_os=irix
+        ranlib="echo ignoring ranlib"
+        ;;
+    os/2*)
+        strip="lxlite"
+        ln_s="cp -f"
+        FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
+        SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
+        FFSERVERLDFLAGS=""
+        LIBSUF="_s.a"
+        SLIBPREF=""
+        SLIBSUF=".dll"
+        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
+        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
+        SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
+          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
+          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
+          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
+          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
+          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
+        SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
+          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
+        SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
+        SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
+        enable dos_paths
+        ;;
+
+    *)
+        die "Unknown OS '$target_os'."
+        ;;
+esac
+
+set_default $PATHS_LIST
+
+add_extralibs $osextralibs
+
+# Combine FFLDFLAGS and the LDFLAGS environment variable.
+LDFLAGS="$FFLDFLAGS $LDFLAGS"
+
+# we need to build at least one lib type
+if ! enabled_any static shared; then
+    cat <<EOF
+At least one library type must be built.
+Specify --enable-static to build the static libraries or --enable-shared to
+build the shared libraries as well. To only build the shared libraries specify
+--disable-static in addition to --enable-shared.
+EOF
+    exit 1;
+fi
+
+disabled static && LIBNAME=""
+
+if enabled_any libfaad libfaadbin ; then
+    if check_header faad.h; then
+        check_cc <<EOF
+#include <faad.h>
+#ifndef FAAD2_VERSION
+ok faad1
+#endif
+int main(void) { return 0; }
+EOF
+        test $? = 0 && enable libfaad2
+    else
+        die "FAAD test failed."
+    fi
+fi
+
+
+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" postproc
+    die_gpl_disabled "libx264"                 libx264
+    die_gpl_disabled "libxvidcore"             libxvid
+    die_gpl_disabled "FAAD2"                   libfaad2
+    die_gpl_disabled "The X11 grabber"         x11grab
+fi
+
+if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
+    die "libamr is nonfree and --enable-nonfree is not specified."
+fi
+
+check_deps $ARCH_EXT_LIST
+
+test -z "$need_memalign" && need_memalign="$mmx"
+
+#Darwin CC versions
+if test $target_os = darwin; then
+    if enabled xlc; then
+        add_cflags -qpdf2 -qlanglvl=extc99 -qmaxmem=-1 -qarch=auto -qtune=auto
+    else
+        add_cflags -pipe
+        check_cflags -force_cpusubtype_ALL
+        check_cflags -Wno-sign-compare
+        enabled shared || check_cflags -mdynamic-no-pic
+    fi
+fi
+
+disabled optimizations || check_cflags -fomit-frame-pointer
+
+# Add processor-specific flags
+if test $cpu != "generic"; then
+    warn_altivec(){
+        $1 altivec && echo "WARNING: Tuning for $2 but AltiVec $1.";
+    }
+    case $cpu in
+        601|ppc601|PowerPC601)
+            add_cflags -mcpu=601
+            warn_altivec enabled PPC601
+        ;;
+        603*|ppc603*|PowerPC603*)
+            add_cflags -mcpu=603
+            warn_altivec enabled PPC603
+        ;;
+        604*|ppc604*|PowerPC604*)
+            add_cflags -mcpu=604
+            warn_altivec enabled PPC604
+        ;;
+        G3|g3|75*|ppc75*|PowerPC75*)
+            add_cflags -mcpu=750 -mpowerpc-gfxopt
+            warn_altivec enabled PPC75x
+        ;;
+        G4|g4|745*|ppc745*|PowerPC745*)
+            add_cflags -mcpu=7450 -mpowerpc-gfxopt
+            warn_altivec disabled PPC745x
+        ;;
+        74*|ppc74*|PowerPC74*)
+            add_cflags -mcpu=7400 -mpowerpc-gfxopt
+            warn_altivec disabled PPC74xx
+        ;;
+        G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
+            add_cflags -mcpu=970 -mpowerpc-gfxopt -mpowerpc64
+            warn_altivec disabled PPC970
+            enable ppc64
+        ;;
+        Cell|CELL|cell)
+            add_cflags -mcpu=cell
+            warn_altivec disabled Cell
+            enable ppc64
+        ;;
+        # targets that do NOT support conditional mov (cmov)
+        i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
+            add_cflags -march=$cpu
+            disable cmov
+        ;;
+        # targets that do support conditional mov (cmov)
+        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2)
+            add_cflags -march=$cpu
+            enable cmov
+            enable fast_cmov
+        ;;
+        # targets that do support conditional mov but on which it's slow
+        pentium4|pentium4m|prescott|nocona)
+            add_cflags -march=$cpu
+            enable cmov
+            disable fast_cmov
+        ;;
+        sparc64)
+            add_cflags -mcpu=v9
+        ;;
+        arm11*|cortex*)
+            add_cflags -mcpu=$cpu
+            enable fast_unaligned
+        ;;
+        armv*)
+            add_cflags -march=$cpu
+        ;;
+        arm*)
+            add_cflags -mcpu=$cpu
+        ;;
+        ev4|ev45|ev5|ev56|pca56|ev6|ev67)
+            enabled ccc && add_cflags -arch $cpu || add_cflags -mcpu=$cpu
+        ;;
+        *)
+            echo "WARNING: Unknown CPU \"$cpu\", ignored."
+        ;;
+    esac
+fi
+
+check_cc <<EOF || die "Symbol mangling check failed."
+int ff_extern;
+EOF
+sym=$($nm -P -g $TMPO | grep ff_extern)
+extern_prefix=${sym%%ff_extern*}
+
+check_cc <<EOF && enable inline_asm
+void foo(void) { __asm__ volatile ("" ::); }
+EOF
+
+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"'
+
+    # check whether more than 10 operands are supported
+    check_cc <<EOF && enable ten_operands
+int main(void) {
+    int x=0;
+    __asm__ volatile(
+        ""
+        :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
+    );
+    return 0;
+}
+EOF
+
+    # check whether binutils is new enough to compile SSSE3/MMX2
+    enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
+    enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
+
+    check_asm bswap '"bswap %%eax" ::: "%eax"'
+
+    YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
+    enabled     x86_64        && append YASMFLAGS "-m amd64"
+    enabled_all x86_64 shared && append YASMFLAGS "-DPIC"
+    case "$objformat" in
+        elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
+        macho64)              append YASMFLAGS "-DPIC -DPREFIX" ;;
+        *)                    append YASMFLAGS "-DPREFIX"  ;;
+    esac
+    disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
+fi
+
+# check for assembler specific support
+
+enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
+enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
+
+# check for SIMD availability
+
+# AltiVec flags: The FSF version of GCC differs from the Apple version
+if enabled altivec; then
+    check_cflags -maltivec -mabi=altivec &&
+        { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
+        check_cflags -faltivec
+
+    # check if our compiler supports Motorola AltiVec C API
+    check_cc <<EOF || disable altivec
+$inc_altivec_h
+int main(void) {
+    vector signed int v1, v2, v3;
+    v1 = vec_add(v2,v3);
+    return 0;
+}
+EOF
+
+    # check if our compiler supports braces for vector declarations
+    check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
+$inc_altivec_h
+int main (void) { (vector int) {1}; return 0; }
+EOF
+fi
+
+# We have to check if pld is a nop and disable it.
+enabled arm     && check_asm pld     '"pld [r0]"'
+enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
+enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
+enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
+enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
+enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
+enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
+enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
+enabled vis     && check_asm vis     '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
+
+enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
+
+# ---
+# big/little-endian test
+check_cc <<EOF || die "endian test failed"
+unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
+EOF
+od -A n -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
+
+# ---
+# check availability of some header files
+
+if check_func dlopen; then
+    ldl=
+elif check_func dlopen -ldl; then
+    ldl=-ldl
+fi
+
+# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
+check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
+
+check_func  fork
+check_func  gethrtime
+check_func  getrusage
+check_func  inet_aton $network_extralibs
+check_func  memalign
+check_func  mkstemp
+check_func  posix_memalign
+check_func_headers io.h setmode
+check_func_headers windows.h GetProcessTimes
+check_func_headers windows.h VirtualAlloc
+
+check_header conio.h
+check_header dlfcn.h
+check_header malloc.h
+check_header poll.h
+check_header sys/mman.h
+check_header sys/resource.h
+check_header sys/select.h
+check_header termios.h
+check_header vdpau/vdpau.h
+check_header vdpau/vdpau_x11.h
+check_header X11/extensions/XvMClib.h
+
+if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
+    die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
+fi
+
+disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
+disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
+
+# check for some common methods of building with pthread support
+# do this before the optional library checks as some of them require pthreads
+if enabled pthreads; then
+    if check_func pthread_create; then
+        :
+    elif check_func pthread_create -pthread; then
+        add_cflags -pthread
+        add_extralibs -pthread
+    elif check_func pthread_create -pthreads; then
+        add_cflags -pthreads
+        add_extralibs -pthreads
+    elif check_func pthread_create -lpthreadGC2; then
+        add_extralibs -lpthreadGC2
+    elif ! check_lib pthread.h pthread_create -lpthread; then
+        die "ERROR: can't find pthreads library"
+    fi
+fi
+
+for thread in $THREADS_LIST; do
+    if enabled $thread; then
+        test -n "$thread_type" &&
+            die "ERROR: Only one thread type must be selected." ||
+            thread_type="$thread"
+    fi
+done
+
+check_lib math.h sin -lm
+check_lib va/va.h vaInitialize -lva
+
+# test for C99 functions in math.h
+for func in llrint lrint lrintf round roundf truncf; do
+    check_exec <<EOF && enable $func || disable $func
+#include <math.h>
+int main(void) { return ($func(3.999f) > 0)?0:1; }
+EOF
+done
+
+# these are off by default, so fail if requested and not available
+enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
+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 libdirac   && add_cflags $(pkg-config --cflags dirac) &&
+                      require  libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init -ldirac_decoder &&
+                      require  libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init -ldirac_encoder
+enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
+enabled libfaad    && require2 libfaad faad.h faacDecOpen -lfaad
+enabled libgsm     && require  libgsm gsm.h gsm_create -lgsm
+enabled libmp3lame && require  libmp3lame lame/lame.h lame_init -lmp3lame -lm
+enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
+enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
+enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
+                           require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
+enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
+enabled libtheora  && require  libtheora theora/theora.h theora_info_init -ltheora -logg
+enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
+enabled libx264    && require  libx264 x264.h x264_encoder_open -lx264 -lm &&
+                      { check_cpp_condition x264.h "X264_BUILD >= 65" ||
+                        die "ERROR: libx264 version must be >= 0.65."; }
+enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
+enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
+
+# libdc1394 check
+if enabled libdc1394; then
+    { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
+        enable libdc1394_2; } ||
+    { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
+        enable libdc1394_1; } ||
+    die "ERROR: No version of libdc1394 found "
+fi
+
+
+_restrict=
+for restrict_keyword in restrict __restrict__ __restrict; do
+    check_cc <<EOF && _restrict=$restrict_keyword && break
+void foo(char * $restrict_keyword p);
+EOF
+done
+
+##########################################
+# SDL check
+
+disable sdl_too_old
+disable sdl
+SDL_CONFIG="${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_lib2 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(int argc, char **argv){
+    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
+    check_type "sys/types.h sys/socket.h" socklen_t
+    # 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_type ws2tcpip.h socklen_t
+        check_func_headers 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_header sys/videoio.h
+
+check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
+
+# 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
+
+check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
+
+check_lib2 jack/jack.h jack_client_open -ljack
+
+# 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"$debuglevel"
+
+# add some useful compiler flags if supported
+check_cflags -Wdeclaration-after-statement
+check_cflags -Wall
+check_cflags -Wno-switch
+check_cflags -Wdisabled-optimization
+check_cflags -Wpointer-arith
+check_cflags -Wredundant-decls
+check_cflags -Wno-pointer-sign
+check_cflags -Wcast-qual
+check_cflags -Wwrite-strings
+check_cflags -Wtype-limits
+check_cflags -Wundef
+enabled extra_warnings && check_cflags -Winline
+
+# add some linker flags
+check_ldflags -Wl,--warn-common
+check_ldflags -Wl,--as-needed
+check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
+check_ldflags -Wl,-Bsymbolic
+
+if enabled small; then
+    check_cflags -Os            # not all compilers support -Os
+    optimizations="small"
+elif enabled optimizations; then
+    if enabled xlc; then
+        add_cflags  -O5
+        add_ldflags -O5
+    elif enabled ccc; then
+        add_cflags -fast
+    else
+        add_cflags -O3
+    fi
+fi
+check_cflags -fno-math-errno
+check_cflags -fno-signed-zeros
+
+# add some flags for Intel C Compiler
+if enabled icc; then
+    # Just warnings, no remarks
+    check_cflags -w1
+    # -wd: Disable following warnings
+    # 144, 167, 556: -Wno-pointer-sign
+    # 10006: ignoring unknown option -fno-signed-zeros
+    # 10156: ignoring option '-W'; no argument required
+    check_cflags -wd144,167,556,10006,10156
+    # 11030: Warning unknown option --as-needed
+    # 10156: ignoring option '-export'; no argument required
+    check_ldflags -wd10156,11030
+    # Allow to compile with optimizations
+    check_ldflags -march=$cpu
+    # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
+    enable ebp_available
+elif enabled ccc; then
+    # disable some annoying warnings
+    add_cflags -msg_disable cvtu32to64
+    add_cflags -msg_disable embedcomment
+    add_cflags -msg_disable needconstext
+    add_cflags -msg_disable nomainieee
+    add_cflags -msg_disable ptrmismatch1
+    add_cflags -msg_disable unreachcode
+fi
+
+# PIC flags for shared library objects where they are needed
+if enabled shared; then
+    # LIBOBJFLAGS may have already been set in the OS configuration
+    if test -z "$LIBOBJFLAGS" ; then
+        case "${subarch-$arch}" in
+            x86_64|ia64|alpha|sparc*|power*|parisc*|mips*) LIBOBJFLAGS='$(PIC)' ;;
+        esac
+    fi
+fi
+
+if enabled gprof; then
+    add_cflags  -p
+    add_ldflags -p
+fi
+
+# Find out if the .align argument is a power of two or not.
+check_asm asmalign_pot '".align 3"'
+
+enabled_any $DECODER_LIST      && enable decoders
+enabled_any $ENCODER_LIST      && enable encoders
+enabled_any $HWACCEL_LIST      && enable hwaccels
+enabled_any $BSF_LIST          && enable bsfs
+enabled_any $DEMUXER_LIST      && enable demuxers
+enabled_any $MUXER_LIST        && enable muxers
+enabled_any $FILTER_LIST       && enable filters
+enabled_any $INDEV_LIST        && enable demuxers
+enabled_any $OUTDEV_LIST       && enable muxers
+enabled_any $PROTOCOL_LIST     && enable protocols
+
+enabled_any $THREADS_LIST      && enable threads
+
+check_deps $CONFIG_LIST       \
+           $CONFIG_EXTRA      \
+           $HAVE_LIST         \
+           $DECODER_LIST      \
+           $ENCODER_LIST      \
+           $HWACCEL_LIST      \
+           $PARSER_LIST       \
+           $BSF_LIST          \
+           $DEMUXER_LIST      \
+           $MUXER_LIST        \
+           $FILTER_LIST       \
+           $INDEV_LIST        \
+           $OUTDEV_LIST       \
+           $PROTOCOL_LIST     \
+
+echo "install prefix            $prefix"
+echo "source path               $source_path"
+echo "C compiler                $cc"
+echo ".align is power-of-two    $asmalign_pot"
+echo "ARCH                      $arch ($cpu)"
+if test "$build_suffix" != ""; then
+    echo "build suffix              $build_suffix"
+fi
+if test "$extra_version" != ""; then
+    echo "version string suffix     $extra_version"
+fi
+echo "big-endian                ${bigendian-no}"
+if enabled x86; then
+    echo "yasm                      ${yasm-no}"
+    echo "MMX enabled               ${mmx-no}"
+    echo "MMX2 enabled              ${mmx2-no}"
+    echo "3DNow! enabled            ${amd3dnow-no}"
+    echo "3DNow! extended enabled   ${amd3dnowext-no}"
+    echo "SSE enabled               ${sse-no}"
+    echo "SSSE3 enabled             ${ssse3-no}"
+    echo "CMOV enabled              ${cmov-no}"
+    echo "CMOV is fast              ${fast_cmov-no}"
+    echo "EBX available             ${ebx_available-no}"
+    echo "EBP available             ${ebp_available-no}"
+    echo "10 operands supported     ${ten_operands-no}"
+fi
+if enabled arm; then
+    echo "ARMv5TE enabled           ${armv5te-no}"
+    echo "ARMv6 enabled             ${armv6-no}"
+    echo "ARMv6T2 enabled           ${armv6t2-no}"
+    echo "ARM VFP enabled           ${armvfp-no}"
+    echo "IWMMXT enabled            ${iwmmxt-no}"
+    echo "NEON enabled              ${neon-no}"
+fi
+if enabled mips; then
+    echo "MMI enabled               ${mmi-no}"
+fi
+if enabled ppc; then
+    echo "AltiVec enabled           ${altivec-no}"
+    echo "PPC 4xx optimizations     ${ppc4xx-no}"
+    echo "dcbzl available           ${dcbzl-no}"
+    echo "performance report        ${powerpc_perf-no}"
+fi
+if enabled sparc; then
+    echo "VIS enabled               ${vis-no}"
+fi
+echo "gprof enabled             ${gprof-no}"
+echo "debug symbols             ${debug-no}"
+echo "strip symbols             ${stripping-no}"
+echo "optimizations             ${optimizations-no}"
+echo "static                    ${static-no}"
+echo "shared                    ${shared-no}"
+echo "postprocessing support    ${postproc-no}"
+echo "new filter support        ${avfilter-no}"
+echo "filters using lavformat   ${avfilter_lavf-no}"
+echo "network support           ${network-no}"
+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 "libamr-nb support         ${libamr_nb-no}"
+echo "libamr-wb support         ${libamr_wb-no}"
+echo "libdc1394 support         ${libdc1394-no}"
+echo "libdirac enabled          ${libdirac-no}"
+echo "libfaac enabled           ${libfaac-no}"
+echo "libfaad enabled           ${libfaad-no}"
+echo "libfaad dlopened          ${libfaadbin-no}"
+echo "libgsm enabled            ${libgsm-no}"
+echo "libmp3lame enabled        ${libmp3lame-no}"
+echo "libnut enabled            ${libnut-no}"
+echo "libopenjpeg enabled       ${libopenjpeg-no}"
+echo "libschroedinger enabled   ${libschroedinger-no}"
+echo "libspeex enabled          ${libspeex-no}"
+echo "libtheora enabled         ${libtheora-no}"
+echo "libvorbis enabled         ${libvorbis-no}"
+echo "libx264 enabled           ${libx264-no}"
+echo "libxvid enabled           ${libxvid-no}"
+echo "zlib enabled              ${zlib-no}"
+echo "bzlib enabled             ${bzlib-no}"
+echo
+
+for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
+    echo "Enabled ${type}s:"
+    eval list=\$$(toupper $type)_LIST
+    for part in $list; do
+        enabled $part && echo ${part%_*}
+    done | sort | cat
+    echo
+done
+
+license="LGPL"
+if enabled nonfree; then
+    license="unredistributable"
+elif enabled gpl; then
+    license="GPL"
+fi
+
+echo "License: $license"
+
+echo "Creating config.mak and config.h..."
+
+echo "# Automatically generated by configure - do not modify!" > 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\"" >> $TMPH
+echo "#define FFMPEG_DATADIR \"$(eval c_escape $datadir)\"" >> $TMPH
+
+echo "FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION" >> config.mak
+echo "prefix=$prefix" >> config.mak
+echo "LIBDIR=\$(DESTDIR)$libdir" >> config.mak
+echo "SHLIBDIR=\$(DESTDIR)$shlibdir" >> config.mak
+echo "INCDIR=\$(DESTDIR)$incdir" >> config.mak
+echo "BINDIR=\$(DESTDIR)$bindir" >> config.mak
+echo "DATADIR=\$(DESTDIR)$datadir" >> config.mak
+echo "MANDIR=\$(DESTDIR)$mandir" >> config.mak
+echo "SRC_PATH=\"$source_path\"" >> config.mak
+echo "SRC_PATH_BARE=$source_path" >> config.mak
+echo "BUILD_ROOT=\"$PWD\"" >> config.mak
+echo "CC=$cc" >> config.mak
+echo "AS=$as" >> config.mak
+echo "YASM=$yasmexe" >> config.mak
+echo "AR=$ar" >> config.mak
+echo "RANLIB=$ranlib" >> config.mak
+echo "LN_S=$ln_s" >> config.mak
+enabled stripping &&
+    echo "STRIP=$strip" >> config.mak ||
+    echo "STRIP=echo ignoring strip" >> config.mak
+
+echo "OPTFLAGS=$CFLAGS" >> config.mak
+echo "LDFLAGS=$LDFLAGS" >> config.mak
+echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
+echo "SHFLAGS=$SHFLAGS" >> config.mak
+echo "YASMFLAGS=$YASMFLAGS" >> config.mak
+echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
+echo "BUILD_STATIC=$static" >> config.mak
+echo "BUILDSUF=$build_suffix" >> config.mak
+echo "FULLNAME=$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
+echo "EXTRA_VERSION=$extra_version" >> config.mak
+echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
+echo "HOSTCC=$host_cc" >> config.mak
+echo "HOSTCFLAGS=$host_cflags" >> config.mak
+echo "HOSTEXESUF=$HOSTEXESUF" >> config.mak
+echo "HOSTLDFLAGS=$host_ldflags" >> config.mak
+echo "HOSTLIBS=$host_libs" >> config.mak
+echo "TARGET_EXEC=$target_exec" >> config.mak
+echo "TARGET_PATH=$target_path" >> config.mak
+
+if enabled bigendian; then
+    echo "WORDS_BIGENDIAN=yes" >> config.mak
+    echo "#define WORDS_BIGENDIAN 1" >> $TMPH
+fi
+
+if enabled sdl; then
+    echo "SDL_LIBS=$("${SDL_CONFIG}" --libs)" >> config.mak
+    echo "SDL_CFLAGS=$("${SDL_CONFIG}" --cflags)" >> config.mak
+fi
+if enabled texi2html; then
+    echo "BUILD_DOC=yes" >> config.mak
+fi
+
+get_version(){
+    name=$1
+    file=$source_path/$2
+    eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
+    eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
+    lcname=$(tolower $name)
+    eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
+    eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
+}
+
+get_version LIBSWSCALE  libswscale/swscale.h
+get_version LIBPOSTPROC libpostproc/postprocess.h
+get_version LIBAVCODEC  libavcodec/avcodec.h
+get_version LIBAVDEVICE libavdevice/avdevice.h
+get_version LIBAVFORMAT libavformat/avformat.h
+get_version LIBAVUTIL   libavutil/avutil.h
+get_version LIBAVFILTER libavfilter/avfilter.h
+
+if enabled shared; then
+    echo "BUILD_SHARED=yes" >> config.mak
+    echo "PIC=-fPIC -DPIC" >> config.mak
+    echo "LIBTARGET=${LIBTARGET}" >> config.mak
+    echo "SLIBNAME=${SLIBNAME}" >> config.mak
+    echo "SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}" >> config.mak
+    echo "SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}" >> config.mak
+    echo "SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}" >> config.mak
+    echo "SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}" >> config.mak
+    echo "SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}" >> config.mak
+    echo "SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}" >> config.mak
+fi
+echo "LIB_INSTALL_EXTRA_CMD=${LIB_INSTALL_EXTRA_CMD}" >> config.mak
+echo "EXTRALIBS=$extralibs" >> config.mak
+
+echo "ARCH=$arch" >> config.mak
+
+print_config ARCH_   $TMPH config.mak $ARCH_LIST
+print_config HAVE_   $TMPH config.mak $HAVE_LIST
+print_config CONFIG_ $TMPH config.mak $CONFIG_LIST       \
+                                      $CONFIG_EXTRA      \
+                                      $DECODER_LIST      \
+                                      $ENCODER_LIST      \
+                                      $HWACCEL_LIST      \
+                                      $PARSER_LIST       \
+                                      $BSF_LIST          \
+                                      $DEMUXER_LIST      \
+                                      $MUXER_LIST        \
+                                      $FILTER_LIST       \
+                                      $PROTOCOL_LIST     \
+                                      $INDEV_LIST        \
+                                      $OUTDEV_LIST       \
+
+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' >> $TMPH
+
+echo "#define EXTERN_PREFIX \"${extern_prefix}\"" >> $TMPH
+
+echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
+
+# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
+cmp -s $TMPH config.h &&
+    echo "config.h is unchanged" ||
+    mv -f $TMPH config.h
+
+# 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/arm    \
+        libavcodec/bfin   \
+        libavcodec/mlib   \
+        libavcodec/ppc    \
+        libavcodec/sh4    \
+        libavcodec/sparc  \
+        libavcodec/x86    \
+        libavdevice       \
+        libavfilter       \
+        libavformat       \
+        libavutil         \
+        libpostproc       \
+        libswscale        \
+        libswscale/bfin   \
+        libswscale/mlib   \
+        libswscale/ppc    \
+        libswscale/sparc  \
+        libswscale/x86    \
+        tests             \
+        tools             \
+        "
+    FILES="\
+        Makefile             \
+        common.mak           \
+        subdir.mak           \
+        doc/texi2pod.pl      \
+        libavcodec/Makefile  \
+        libavdevice/Makefile \
+        libavfilter/Makefile \
+        libavformat/Makefile \
+        libavutil/Makefile   \
+        libpostproc/Makefile \
+        libswscale/Makefile  \
+        "
+    for dir in $DIRS ; do
+        mkdir -p $dir
+    done
+    for f in $FILES ; do
+        $ln_s "$source_path/$f" $f
+    done
+fi
+
+
+# build pkg-config files
+
+pkgconfig_generate(){
+name=$1
+shortname=${name#lib}${build_suffix}
+comment=$2
+version=$3
+libs=$4
+requires=$5
+cat <<EOF > $name/$name.pc
+prefix=$prefix
+exec_prefix=\${prefix}
+libdir=$libdir
+includedir=$incdir
+
+Name: $name
+Description: $comment
+Version: $version
+Requires: $(disabled shared && echo $requires)
+Requires.private: $(enabled shared && echo $requires)
+Conflicts:
+Libs: -L\${libdir} -l${shortname} $(disabled shared && echo $libs)
+Libs.private: $(enabled shared && echo $libs)
+Cflags: -I\${includedir}
+EOF
+cat <<EOF > $name/$name-uninstalled.pc
+prefix=
+exec_prefix=
+libdir=\${pcfiledir}
+includedir=${source_path}
+
+Name: $name
+Description: $comment
+Version: $version
+Requires: $requires
+Conflicts:
+Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
+Cflags: -I\${includedir}
+EOF
+}
+
+pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
+pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
+pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
+pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
+enabled avfilter &&
+    pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
+enabled postproc &&
+    pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
+pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"