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b4e806b2b9
FFmpeg/configure
Matthieu Castet b4e806b2b9 pld instruction are used in libavcodec/armv4l/dsputil_arm_s.S which can be used 
on armv4 that doesn't support this instruction. Futhermore pld is a nop on some
armv5 processor like arm926. Detect if pld is supported and have the
preprocessor remove it when it's not supported.
Fixes issue 393.
patch by matthieu castet, castet.matthieu free fr

Originally committed as revision 12569 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-03-24 11:49:59 +00:00

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#!/bin/sh
#
# 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 " --prefix=PREFIX install in PREFIX [$PREFIX]"
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 " --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-nonfree allow use of nonfree code, the resulting libav*"
echo " and ffmpeg will be unredistributable [default=no]"
echo " --enable-postproc enable GPLed postprocessing support [default=no]"
echo " --enable-swscale software scaler support [default=no]"
echo " --enable-avfilter video filter support (replaces vhook) [default=no]"
echo " --enable-avfilter-lavf video filters dependant on avformat [default=no]"
echo " --enable-beosthreads use BeOS threads [default=no]"
echo " --enable-os2threads use OS/2 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]"
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 [$cross_prefix]"
echo " --cross-compile assume a cross-compiler is used"
echo " --target-os=OS compiler targets OS [$targetos]"
echo " --cc=CC use C compiler CC [$cc]"
echo " --make=MAKE use specified make [$make]"
echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]"
echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]"
echo " --extra-libs=ELIBS add ELIBS [$ELIBS]"
echo " --build-suffix=SUFFIX suffix for application specific build []"
echo " --arch=ARCH select architecture [$arch]"
echo " --cpu=CPU selects the minimum cpu required (affects"
echo " instruction selection, may crash on older CPUs)"
echo " --enable-powerpc-perf enable performance report on PPC"
echo " (requires enabling PMC)"
echo " --disable-mmx disable MMX usage"
echo " --disable-mmx2 disable MMX2 usage"
echo " --disable-ssse3 disable SSSE3 usage"
echo " --disable-armv5te disable armv5te usage"
echo " --disable-armv6 disable armv6 usage"
echo " --disable-iwmmxt disable iwmmxt usage"
echo " --disable-altivec disable AltiVec usage"
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-hardcoded-tables use hardcoded tables instead of runtime generation"
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 " --disable-devices disables all devices"
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 " --list-indevs show all available input devices"
echo " --list-outdevs show all available output devices"
echo
echo "Developer options (useful when working on FFmpeg itself):"
echo " --enable-gprof enable profiling with gprof [$gprof]"
echo " --disable-optimizations disable compiler optimizations"
echo " --enable-extra-warnings enable more compiler warnings"
echo " --disable-strip disable stripping of executables and shared libraries"
echo ""
echo "NOTE: Object files are built at the place where configure is launched."
exit 1
}
log(){
echo "$@" >>$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
ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg 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 $TMPO $TMPE $TMPS $TMPH
exit 1
}
# Avoid locale weirdness, besides we really just want to translate ASCII.
toupper(){
echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
}
tolower(){
echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
}
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_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 $TMPC
}
check_asm(){
log check_asm "$@"
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_ldflags(){
log check_ldflags "$@"
check_ld "$@" <<EOF && add_ldflags "$@"
int main(void){
return 0;
}
EOF
}
check_header(){
log check_header "$@"
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(void){
$func();
}
EOF
}
check_func2(){
log check_func2 "$@"
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(int argc, char **argv){
(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(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"
}
COMPONENT_LIST="
bsfs
decoders
demuxers
encoders
filters
indevs
muxers
outdevs
parsers
protocols
"
CONFIG_LIST="
$COMPONENT_LIST
avfilter
avfilter_lavf
avisynth
beos_netserver
ffmpeg
ffplay
ffserver
gpl
gprof
gray
hardcoded_tables
ipv6
liba52
liba52bin
libamr_nb
libamr_wb
libdc1394
libfaac
libfaad
libfaadbin
libgsm
libmp3lame
libnut
libtheora
libvorbis
libx264
libxvid
memalign_hack
mpegaudio_hp
network
nonfree
postproc
powerpc_perf
small
swscale
vhook
x11grab
zlib
"
THREADS_LIST='
beosthreads
os2threads
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
mmx2
ssse3
vis
'
HAVE_LIST="
$ARCH_EXT_LIST
$THREADS_LIST
altivec_h
arpa_inet_h
bswap
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
gethrtime
GetProcessTimes
getrusage
imlib2
inet_aton
inline_asm
libdc1394_1
libdc1394_2
llrint
lrint
lrintf
machine_ioctl_bt848_h
machine_ioctl_meteor_h
malloc_h
memalign
mkstemp
mlib
pld
ppc64
round
roundf
sdl
sdl_video_size
socklen_t
soundcard_h
poll_h
sys_mman_h
sys_select_h
sys_soundcard_h
termios_h
threads
winsock2_h
"
CMDLINE_SELECT="
$ARCH_EXT_LIST
$CONFIG_LIST
$THREADS_LIST
debug
extra_warnings
optimizations
shared
static
"
# code dependency declarations
# architecture extensions
altivec_deps="powerpc"
armv5te_deps="armv4l"
armv6_deps="armv4l"
iwmmxt_deps="armv4l"
mmi_deps="mips"
mmx_deps="x86"
mmx2_deps="x86"
ssse3_deps="x86"
vis_deps="sparc"
# decoders / encoders
ac3_decoder_deps="gpl"
dxa_decoder_deps="zlib"
flashsv_decoder_deps="zlib"
flashsv_encoder_deps="zlib"
mpeg_xvmc_decoder_deps="xvmc"
png_decoder_deps="zlib"
png_encoder_deps="zlib"
zmbv_decoder_deps="zlib"
zmbv_encoder_deps="zlib"
# external libraries
liba52_decoder_deps="liba52"
liba52bin_decoder_extralibs='$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='$ldl'
libgsm_decoder_deps="libgsm"
libgsm_encoder_deps="libgsm"
libgsm_ms_decoder_deps="libgsm"
libgsm_ms_encoder_deps="libgsm"
libmp3lame_encoder_deps="libmp3lame"
libtheora_encoder_deps="libtheora"
libvorbis_encoder_deps="libvorbis"
libx264_encoder_deps="libx264"
libxvid_encoder_deps="libxvid"
mpeg4aac_decoder_deps="libfaad"
# demuxers / muxers
ac3_demuxer_deps="ac3_parser"
audio_beos_demuxer_deps="audio_beos"
audio_beos_demuxer_extralibs="-lmedia -lbe"
audio_beos_muxer_deps="audio_beos"
audio_beos_muxer_extralibs="-lmedia -lbe"
avisynth_demuxer_deps="avisynth"
bktr_demuxer_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
dv1394_demuxer_deps="dv1394 dv_demuxer"
libdc1394_demuxer_deps="libdc1394"
libnut_demuxer_deps="libnut"
libnut_muxer_deps="libnut"
mp3_demuxer_deps="mpegaudio_parser"
oss_demuxer_deps_any="soundcard_h sys_soundcard_h"
oss_muxer_deps_any="soundcard_h sys_soundcard_h"
redir_demuxer_deps="network"
rtp_muxer_deps="network rtp_protocol"
rtsp_demuxer_deps="sdp_demuxer"
sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
v4l2_demuxer_deps="linux_videodev2_h"
v4l_demuxer_deps="linux_videodev_h"
vfwcap_demuxer_deps="capCreateCaptureWindow"
vfwcap_demuxer_extralibs="-lvfw32"
x11_grab_device_demuxer_deps="x11grab XShmCreateImage"
x11_grab_device_demuxer_extralibs="-lX11 -lXext"
# protocols
http_protocol_deps="network"
rtp_protocol_deps="udp_protocol"
tcp_protocol_deps="network"
udp_protocol_deps="network"
# filters
movie_filter_deps="avfilter_lavf"
# programs
ffplay_deps="sdl"
ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
ffserver_extralibs='$ldl'
vhook_extralibs='$ldl'
# set temporary file name
if test ! -z "$TMPDIR" ; then
TMPDIR1="${TMPDIR}"
elif test ! -z "$TEMPDIR" ; then
TMPDIR1="${TEMPDIR}"
else
TMPDIR1="/tmp"
fi
TMPC="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.c"
TMPO="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.o"
TMPE="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}"
TMPS="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.S"
TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
# default parameters
enable logging
logfile="config.err"
# installation paths
PREFIX="/usr/local"
libdir='$(PREFIX)/lib'
shlibdir="$libdir"
incdir='$(PREFIX)/include'
mandir='$(PREFIX)/share/man'
bindir='$(PREFIX)/bin'
# toolchain
cc="gcc"
ar="ar"
nm="nm"
ranlib="ranlib"
make="make"
strip="strip"
asmalign_pot="unknown"
ln_s="ln -sf"
# machine
arch=`uname -m`
cpu="generic"
# OS
targetos=$(tolower $(uname -s))
# libraries
enable zlib
# configurable options
enable debug
enable dostrip
enable ffmpeg
enable ffplay
enable ffserver
enable ipv6
enable static
enable mpegaudio_hp
enable network
enable optimizations
enable protocols
vhook="default"
# build settings
SHFLAGS='-shared -Wl,-soname,$@'
VHOOKSHFLAGS='$(SHFLAGS)'
LDLATEFLAGS='-Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
FFSERVERLDFLAGS=-Wl,-E
LIBPREF="lib"
LIBSUF=".a"
FULLNAME='$(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)"'
# gcc stupidly only outputs the basename of targets with -MM
DEPEND_CMD='$(CC) -MM $(CFLAGS) $(filter-out %.h,$^) | sed "s,[0-9a-z._-]*: \($(SRC_DIR)/\)*\([a-z0-9]*/\)[^/]* ,\\2&,"'
VHOOK_DEPEND_CMD='$(CC) -MM $(VHOOKCFLAGS) $(filter-out %.h,$^) | sed "s,^\([a-z]\),vhook/\\1,"'
# 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 "$source_path" | grep -q '[[:blank:]]' &&
die "Out of tree builds are impossible with whitespace in source path."
fi
FFMPEG_CONFIGURATION="$@"
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)
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 \
$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
--log)
;;
--log=*) logging="$optval"
;;
--prefix=*) PREFIX="$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="$optval"
;;
--extra-cflags=*) add_cflags "$optval"
;;
--extra-ldflags=*) add_ldflags "$optval"
;;
--extra-libs=*) add_extralibs "$optval"
;;
--build-suffix=*) BUILDSUF="$optval"
;;
--arch=*) arch="$optval"
;;
--cpu=*) cpu="$optval"
;;
--enable-sunmlib) enable mlib
;;
--disable-strip) disable dostrip
;;
--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|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
;;
*)
die_unknown $opt
;;
esac
done
case "$arch" in
i386|i486|i586|i686|i86pc|BePC)
arch="x86_32"
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 ! echo $CFLAGS | grep -q -- -m32; then
arch="x86_64"
enable fast_64bit
fi
fi
;;
# 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"
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
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 $BEINCLUDES | grep -q 'headers/be/bone'; then
network_extralibs="-lbind -lsocket"
else
enable beos_netserver
network_extralibs="-lnet"
fi ;;
sunos)
FFSERVERLDFLAGS=""
SHFLAGS='-shared -Wl,-h,$@'
network_extralibs="-lsocket -lnsl"
;;
netbsd)
oss_demuxer_extralibs="-lossaudio"
oss_muxer_extralibs="-lossaudio"
;;
openbsd)
disable need_memalign
LIBOBJFLAGS='$(PIC)'
SHFLAGS='-shared'
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF).$(LIBVERSION)'
SLIBNAME_WITH_VERSION='$(SLIBNAME)'
SLIBNAME_WITH_MAJOR='$(SLIBNAME)'
oss_demuxer_extralibs="-lossaudio"
oss_muxer_extralibs="-lossaudio"
;;
freebsd)
disable need_memalign
;;
bsd/os)
osextralibs="-lpoll -lgnugetopt"
strip="strip -d"
;;
darwin)
disable need_memalign
SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(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)$(SLIBSUF)'
FFSERVERLDFLAGS=-Wl,-bind_at_load
;;
mingw32*)
targetos=mingw32
shlibdir="$bindir"
VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
if enabled swscale; then
VHOOKSHFLAGS="$VHOOKSHFLAGS -L\$(BUILD_ROOT)/libswscale"
VHOOKLIBS="$VHOOKLIBS -lswscale\$(BUILDSUF)"
fi
disable ffserver
SLIBPREF=""
SLIBSUF=".dll"
EXESUF=".exe"
SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(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:$(SLIBSUF)=.lib)"'
SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
SHFLAGS='-shared -Wl,--output-def,$(@:$(SLIBSUF)=.def) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
;;
cygwin*)
targetos=cygwin
shlibdir="$bindir"
VHOOKSHFLAGS='-shared -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil'
VHOOKLIBS='-lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)'
if enabled swscale; then
VHOOKSHFLAGS="$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'
;;
*-dos|freedos|opendos)
disable ffplay ffserver vhook
disable $INDEV_LIST $OUTDEV_LIST
network_extralibs="-lsocket"
EXESUF=".exe"
;;
linux)
LDLATEFLAGS="-Wl,--as-needed $LDLATEFLAGS"
enable dv1394
;;
irix*)
targetos=irix
ranlib="echo ignoring ranlib"
;;
os/2*)
strip="lxlite"
ln_s="cp -f"
EXESUF=".exe"
FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
SHFLAGS='$(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 > $(NAME).def; \
echo PROTMODE >> $(NAME).def; \
echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(NAME).def; \
echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(NAME).def; \
echo EXPORTS >> $(NAME).def; \
emxexp -o $(OBJS) >> $(NAME).def'
SLIB_EXTRA_CMD='emximp -o $(LIBPREF)$(NAME)_dll.a $(NAME).def; \
emximp -o $(LIBPREF)$(NAME)_dll.lib $(NAME).def;'
SLIB_INSTALL_EXTRA_CMD='install -m 644 $(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
disable vhook
;;
interix)
disable vhook
;;
*)
targetos="${targetos}-UNKNOWN"
;;
esac
add_extralibs $osextralibs
if ! disabled logging ; then
enabled logging || logfile="$logging"
echo "# $0 $@" >$logfile
set >>$logfile
else
logfile=/dev/null
fi
# Combine FFLDFLAGS and the LDFLAGS environment variable.
LDFLAGS="$FFLDFLAGS $LDFLAGS"
test -n "$cross_prefix" && enable cross_compile
cc="${cross_prefix}${cc}"
ar="${cross_prefix}${ar}"
nm="${cross_prefix}${nm}"
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" postproc
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" swscale
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 $targetos = darwin; then
if $cc -v 2>&1 | grep -q 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 || add_cflags -mdynamic-no-pic
fi
fi
disabled optimizations || add_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"
;;
arm*)
add_cflags "-mcpu=$cpu"
;;
*)
echo "WARNING: Unknown CPU \"$cpu\", ignored."
;;
esac
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 $TMPE
# compiler sanity check
check_exec <<EOF
int main(void){
return 0;
}
EOF
if test "$?" != 0; then
echo "$cc is unable to create an executable file."
if test -z "$cross_prefix" && ! enabled cross_compile ; then
echo "If $cc is a cross-compiler, use the --cross-compile option."
echo "Only do this if you know what cross compiling means."
fi
die "C compiler test failed."
fi
check_cc <<EOF || die "Symbol mangling check failed."
int ff_extern;
EOF
sym=$($nm -P -g $TMPO)
extern_prefix=${sym%%ff_extern*}
check_asm inline_asm '""'
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 binutils is new enough to compile SSSE3/MMX2
enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
enabled mmx2 && check_asm mmx2 '"movss %xmm0, %xmm0"'
check_asm bswap '"bswap %%eax" ::: "%eax"'
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
check_cflags -maltivec -mabi=altivec &&
check_header altivec.h ||
check_cflags -faltivec
# 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
# We have to check if pld is a nop and disable it.
enabled armv4l && check_asm pld '"pld [r0]"'
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"' -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
check_func fork
check_func gethrtime
check_func getrusage
check_func inet_aton $network_extralibs
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 sys/mman.h
check_header termios.h
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 poll.h
check_header sys/select.h
fi
# 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_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
# test for C99 functions in math.h
for func in llrint lrint lrintf round roundf; do
check_exec <<EOF && enable $func || disable $func
#define _ISOC9X_SOURCE 1
#include <math.h>
int main(void) { return ($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 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 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 -lm
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
# 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 * $restrict_keyword p);
EOF
done
test "$vhook" = "default" && vhook="$dlopen"
if test "$targetos" = cygwin -o "$targetos" = mingw32 && enabled_all static vhook ; then
disable vhook
echo
echo "At the moment vhooks don't work on Cygwin or MinGW static builds."
echo "Patches welcome."
echo
fi
if enabled vhook; then
check_ldflags -rdynamic
check_ldflags -export-dynamic
fi
check_foo_config imlib2 imlib2 Imlib2.h imlib_load_font
check_foo_config freetype2 freetype ft2build.h FT_Init_FreeType
##########################################
# SDL check
disable sdl_too_old
disable sdl
SDL_CONFIG="${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 $sdl_cflags <<EOF && enable sdl_video_size
#include <SDL.h>
int main(int argc, char **argv){
const SDL_VideoInfo *vi = SDL_GetVideoInfo();
int w = vi->current_w;
return 0;
}
EOF
fi
fi
restore_flags
fi
texi2html -version >/dev/null 2>&1 && enable texi2html || disable texi2html
check_type sys/socket.h socklen_t
##########################################
# Network check
if enabled network; then
# Prefer arpa/inet.h over winsock2
if check_header arpa/inet.h ; then
check_func closesocket
elif check_header winsock2.h ; then
network_extralibs="-lws2_32"
check_type ws2tcpip.h socklen_t
check_func2 winsock2.h closesocket
fi
fi
##########################################
# IPv6 check
enabled network && enabled ipv6 && check_ld <<EOF && enable ipv6 || disable ipv6
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
int main(void) {
struct sockaddr_storage saddr;
struct ipv6_mreq mreq6;
getaddrinfo(0,0,0,0);
getnameinfo(0,0,0,0,0,0,0);
IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
}
EOF
check_header linux/videodev.h
check_header linux/videodev2.h
check_func2 "windows.h vfw.h" capCreateCaptureWindow -lvfw32
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
{ check_header dev/bktr/ioctl_meteor.h &&
check_header dev/bktr/ioctl_bt848.h; } ||
{ check_header machine/ioctl_meteor.h &&
check_header machine/ioctl_bt848.h; } ||
{ check_header dev/video/meteor/ioctl_meteor.h &&
check_header dev/video/bktr/ioctl_bt848.h; } ||
check_header dev/ic/bt8xx.h
check_header sys/soundcard.h
check_header soundcard.h
# deal with the X11 frame grabber
enabled x11grab &&
check_header X11/Xlib.h &&
check_header X11/extensions/XShm.h &&
check_func XOpenDisplay -lX11 &&
check_func XShmCreateImage -lX11 -lXext
enabled debug && add_cflags -g"$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
enabled extra_warnings && check_cflags -Winline
# add some linker flags
check_ldflags -Wl,--warn-common
check_ldflags $LDLATEFLAGS
check_ldflags -Wl,-Bsymbolic
if enabled small; then
check_cflags -Os # not all compilers support -Os
optimizations="small"
elif enabled optimizations; then
if $cc -v 2>&1 | grep -q xlc; then
add_cflags "-O5"
add_ldflags "-O5"
else
add_cflags "-O3"
fi
fi
check_cflags -fno-math-errno
check_cflags -fno-signed-zeros
# PIC flags for shared library objects where they are needed
if enabled shared; then
# LIBOBJFLAGS may have already been set in the OS configuration
if test -z "$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 $DECODER_LIST && enable decoders
enabled_any $ENCODER_LIST && enable encoders
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 \
$HAVE_LIST \
$DECODER_LIST \
$ENCODER_LIST \
$PARSER_LIST \
$BSF_LIST \
$DEMUXER_LIST \
$MUXER_LIST \
$FILTER_LIST \
$INDEV_LIST \
$OUTDEV_LIST \
$PROTOCOL_LIST \
enabled libdc1394 && append pkg_requires "libraw1394"
enabled libtheora && append pkg_requires "theora"
enabled libvorbis && append pkg_requires "vorbisenc"
echo "install prefix $PREFIX"
echo "source path $source_path"
echo "C compiler $cc"
echo "make $make"
echo ".align is power-of-two $asmalign_pot"
echo "ARCH $arch ($cpu)"
if test "$BUILDSUF" != ""; then
echo "build suffix $BUILDSUF"
fi
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}"
echo "EBX available ${ebx_available-no}"
echo "EBP available ${ebp_available-no}"
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
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 ${postproc-no}"
echo "software scaler enabled ${swscale-no}"
echo "new filter support ${avfilter-no}"
echo "filters using lavformat ${avfilter_lavf-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}"
echo
for type in decoder encoder parser demuxer muxer protocol filter bsf indev outdev; do
echo "Enabled ${type}s:"
eval list=\$$(toupper $type)_LIST
for part in $list; do
enabled $part && echo ${part%_*}
done | sort | pr -3 -t
echo
done
enabled nonfree &&
echo "License: unredistributable" ||
(enabled gpl &&
echo "License: GPL" ||
echo "License: LGPL")
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\"" >> $TMPH
echo "PREFIX=$PREFIX" >> config.mak
echo "prefix=\$(DESTDIR)\$(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 "MANDIR=\$(DESTDIR)$mandir" >> config.mak
echo "MAKE=$make" >> config.mak
echo "CC=$cc" >> config.mak
echo "AR=$ar" >> config.mak
echo "RANLIB=$ranlib" >> config.mak
echo "LN_S=$ln_s" >> config.mak
enabled dostrip &&
echo "STRIP=$strip" >> config.mak ||
echo "STRIP=echo ignoring strip" >> config.mak
echo "OPTFLAGS=$CFLAGS" >> config.mak
echo "VHOOKCFLAGS=$VHOOKCFLAGS">>config.mak
echo "LDFLAGS=$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
echo "DEPEND_CMD=$DEPEND_CMD" >> config.mak
echo "VHOOK_DEPEND_CMD=$VHOOK_DEPEND_CMD" >> 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 "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
print_config ARCH_ $TMPH config.mak $ARCH_LIST
print_config HAVE_ $TMPH config.mak $HAVE_LIST
print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
$DECODER_LIST \
$ENCODER_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" >> $TMPH
fi
echo "SRC_PATH=\"$source_path\"" >> config.mak
echo "SRC_PATH_BARE=$source_path" >> config.mak
echo "BUILD_ROOT=\"$PWD\"" >> config.mak
# 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
rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
# 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 \
libavdevice \
libavfilter \
libavformat \
libavutil \
libpostproc \
libswscale \
tests \
tools \
vhook \
"
FILES="\
Makefile \
common.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
# FIXME: libdir and includedir are hardcoded and may differ from the real path.
pkgconfig_generate(){
name=$1
comment=$2
version=$3
libs=$4
requires=$5
cat <<EOF >$name.pc
prefix=$PREFIX
exec_prefix=\${prefix}
libdir=\${exec_prefix}/lib
includedir=\${prefix}/include
Name: $name
Description: $comment
Version: $version
Requires: $requires
Conflicts:
Libs: -L\${libdir} $libs
Cflags: -I\${includedir}
EOF
}
pkgconfig_generate_uninstalled(){
name=$1
shortname=${name#lib}
comment=$2
version=$3
libs=$4
requires=$5
cat <<EOF >$name-uninstalled.pc
prefix=
exec_prefix=
libdir=\${pcfiledir}/$name
includedir=\${pcfiledir}
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" -lavutil ""
pkgconfig_generate_uninstalled libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "-lavcodec $extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
pkgconfig_generate_uninstalled libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "-lavformat $extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
pkgconfig_generate_uninstalled libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "-lavdevice $extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
pkgconfig_generate_uninstalled libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$pkg_requires libavformat = $LIBAVFORMAT_VERSION"
if enabled postproc; then
pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION" -lpostproc ""
pkgconfig_generate_uninstalled libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
fi
if enabled swscale; then
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" -lswscale "libavutil = $LIBAVUTIL_VERSION"
pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
else
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
pkgconfig_generate_uninstalled libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "$pkg_requires libavcodec = $LIBAVCODEC_VERSION"
apply libswscale.pc sed s/^Libs:.*$/Libs:/
apply libswscale-uninstalled.pc sed s/^Libs:.*$/Libs:/
fi
if enabled avfilter; then
pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "-lavfilter $extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION" ffmpeg
pkgconfig_generate_uninstalled libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$pkg_requires libavutil = $LIBAVUTIL_VERSION"
fi
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