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FFmpeg/configure
Peter Ross c0d3f516cb Bink Audio decoder 
Originally committed as revision 21570 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-01-31 12:51:15 +00:00

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#!/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(){
cat <<EOF
Usage: configure [options]
Options: [defaults in brackets after descriptions]
Standard options:
--help print this message
--logfile=FILE log tests and output to FILE [config.err]
--disable-logging do not log configure debug information
--prefix=PREFIX install in PREFIX [$prefix]
--bindir=DIR install binaries in DIR [PREFIX/bin]
--datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
--libdir=DIR install libs in DIR [PREFIX/lib]
--shlibdir=DIR install shared libs in DIR [PREFIX/lib]
--incdir=DIR install includes in DIR [PREFIX/include]
--mandir=DIR install man page in DIR [PREFIX/share/man]
Configuration options:
--disable-static do not build static libraries [no]
--enable-shared build shared libraries [no]
--enable-gpl allow use of GPL code, the resulting libs
and binaries will be under GPL [no]
--enable-version3 upgrade (L)GPL to version 3 [no]
--enable-nonfree allow use of nonfree code, the resulting libs
and binaries will be unredistributable [no]
--disable-doc do not build documentation
--disable-ffmpeg disable ffmpeg build
--disable-ffplay disable ffplay build
--disable-ffserver disable ffserver build
--disable-avdevice disable libavdevice build
--disable-avcodec disable libavcodec build
--disable-avformat disable libavformat build
--disable-swscale disable libswscale build
--enable-postproc enable GPLed postprocessing support [no]
--enable-avfilter video filter support [no]
--enable-avfilter-lavf video filters dependent on avformat [no]
--enable-beosthreads use BeOS threads [no]
--enable-os2threads use OS/2 threads [no]
--enable-pthreads use pthreads [no]
--enable-w32threads use Win32 threads [no]
--enable-x11grab enable X11 grabbing [no]
--disable-network disable network support [no]
--disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
--enable-gray enable full grayscale support (slower color)
--disable-swscale-alpha disable alpha channel support in swscale
--disable-fastdiv disable table-based division
--enable-small optimize for size instead of speed
--disable-aandct disable AAN DCT code
--disable-dct disable DCT code
--disable-fft disable FFT code
--disable-golomb disable Golomb code
--disable-lpc disable LPC code
--disable-mdct disable MDCT code
--disable-rdft disable RDFT code
--disable-vaapi disable VAAPI code
--disable-vdpau disable VDPAU code
--disable-dxva2 disable DXVA2 code
--enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
--enable-hardcoded-tables use hardcoded tables instead of runtime generation
--enable-memalign-hack emulate memalign, interferes with memory debuggers
--enable-beos-netserver enable BeOS netserver
--disable-encoder=NAME disable encoder NAME
--enable-encoder=NAME enable encoder NAME
--disable-encoders disable all encoders
--disable-decoder=NAME disable decoder NAME
--enable-decoder=NAME enable decoder NAME
--disable-decoders disable all decoders
--disable-hwaccel=NAME disable hwaccel NAME
--enable-hwaccel=NAME enable hwaccel NAME
--disable-hwaccels disable all hwaccels
--disable-muxer=NAME disable muxer NAME
--enable-muxer=NAME enable muxer NAME
--disable-muxers disable all muxers
--disable-demuxer=NAME disable demuxer NAME
--enable-demuxer=NAME enable demuxer NAME
--disable-demuxers disable all demuxers
--enable-parser=NAME enable parser NAME
--disable-parser=NAME disable parser NAME
--disable-parsers disable all parsers
--enable-bsf=NAME enable bitstream filter NAME
--disable-bsf=NAME disable bitstream filter NAME
--disable-bsfs disable all bitstream filters
--enable-protocol=NAME enable protocol NAME
--disable-protocol=NAME disable protocol NAME
--disable-protocols disable all protocols
--disable-indev=NAME disable input device NAME
--disable-outdev=NAME disable output device NAME
--disable-indevs disable input devices
--disable-outdevs disable output devices
--disable-devices disable all devices
--enable-filter=NAME enable filter NAME
--disable-filter=NAME disable filter NAME
--disable-filters disable all filters
--list-decoders show all available decoders
--list-encoders show all available encoders
--list-hwaccels show all available hardware accelerators
--list-muxers show all available muxers
--list-demuxers show all available demuxers
--list-parsers show all available parsers
--list-protocols show all available protocols
--list-bsfs show all available bitstream filters
--list-indevs show all available input devices
--list-outdevs show all available output devices
--list-filters show all available filters
External library support:
--enable-avisynth enable reading of AVISynth script files [no]
--enable-bzlib enable bzlib [autodetect]
--enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
--enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
--enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
and libraw1394 [no]
--enable-libdirac enable Dirac support via libdirac [no]
--enable-libfaac enable FAAC support via libfaac [no]
--enable-libfaad enable FAAD support via libfaad [no]
--enable-libfaadbin open libfaad.so.0 at runtime [no]
--enable-libgsm enable GSM support via libgsm [no]
--enable-libmp3lame enable MP3 encoding via libmp3lame [no]
--enable-libnut enable NUT (de)muxing via libnut,
native (de)muxer exists [no]
--enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
--enable-libschroedinger enable Dirac support via libschroedinger [no]
--enable-libspeex enable Speex decoding via libspeex [no]
--enable-libtheora enable Theora encoding via libtheora [no]
--enable-libvorbis enable Vorbis encoding via libvorbis,
native implementation exists [no]
--enable-libx264 enable H.264 encoding via x264 [no]
--enable-libxvid enable Xvid encoding via xvidcore,
native MPEG-4/Xvid encoder exists [no]
--enable-mlib enable Sun medialib [no]
--enable-zlib enable zlib [autodetect]
Advanced options (experts only):
--source-path=PATH path to source code [$source_path]
--cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
--enable-cross-compile assume a cross-compiler is used
--sysroot=PATH root of cross-build tree
--sysinclude=PATH location of cross-build system headers
--target-os=OS compiler targets OS [$target_os]
--target-exec=CMD command to run executables on target
--target-path=DIR path to view of build directory on target
--nm=NM use nm tool
--as=AS use assembler AS [$as_default]
--cc=CC use C compiler CC [$cc_default]
--ld=LD use linker LD
--host-cc=HOSTCC use host C compiler HOSTCC
--host-cflags=HCFLAGS use HCFLAGS when compiling for host
--host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
--host-libs=HLIBS use libs HLIBS when linking for host
--extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
--extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
--extra-libs=ELIBS add ELIBS [$ELIBS]
--extra-version=STRING version string suffix []
--build-suffix=SUFFIX library name suffix []
--arch=ARCH select architecture [$arch]
--cpu=CPU select the minimum required CPU (affects
instruction selection, may crash on older CPUs)
--enable-powerpc-perf enable performance report on PPC
(requires enabling PMC)
--disable-asm disable all assembler optimizations
--disable-altivec disable AltiVec optimizations
--disable-amd3dnow disable 3DNow! optimizations
--disable-amd3dnowext disable 3DNow! extended optimizations
--disable-mmx disable MMX optimizations
--disable-mmx2 disable MMX2 optimizations
--disable-sse disable SSE optimizations
--disable-ssse3 disable SSSE3 optimizations
--disable-armv5te disable armv5te optimizations
--disable-armv6 disable armv6 optimizations
--disable-armv6t2 disable armv6t2 optimizations
--disable-armvfp disable ARM VFP optimizations
--disable-iwmmxt disable iwmmxt optimizations
--disable-mmi disable MMI optimizations
--disable-neon disable neon optimizations
--disable-vis disable VIS optimizations
--disable-yasm disable use of yasm assembler
--enable-pic build position-independent code
--malloc-prefix=PFX prefix malloc and related names with PFX
--enable-sram allow use of on-chip SRAM
Developer options (useful when working on FFmpeg itself):
--disable-debug disable debugging symbols
--enable-debug=LEVEL set the debug level [$debuglevel]
--enable-gprof enable profiling with gprof [$gprof]
--disable-optimizations disable compiler optimizations
--enable-extra-warnings enable more compiler warnings
--disable-stripping disable stripping of executables and shared libraries
NOTE: Object files are built at the place where configure is launched.
EOF
exit 0
}
log(){
echo "$@" >> $logfile
}
log_file(){
log BEGIN $1
pr -n -t $1 >> $logfile
log END $1
}
echolog(){
log "$@"
echo "$@"
}
die(){
echolog "$@"
cat <<EOF
If you think configure made a mistake, make sure you are using the latest
version from SVN. If the latest version fails, report the problem to the
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'
}
sh_quote(){
v=$(echo "$1" | sed "s/'/'\\\\''/g")
test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
echo "$v"
}
filter(){
pat=$1
shift
for v; do
eval "case $v in $pat) echo $v ;; esac"
done
}
set_all(){
value=$1
shift
for var in $*; do
eval $var=$value
done
}
set_weak(){
value=$1
shift
for var; do
eval : \${$var:=$value}
done
}
pushvar(){
for var in $*; do
eval level=\${${var}_level:=0}
eval ${var}_${level}="\$$var"
eval ${var}_level=$(($level+1))
done
}
popvar(){
for var in $*; do
eval level=\${${var}_level:-0}
test $level = 0 && continue
eval level=$(($level-1))
eval $var="\${${var}_${level}}"
eval ${var}_level=$level
eval unset ${var}_${level}
done
}
enable(){
set_all yes $*
}
disable(){
set_all no $*
}
enable_weak(){
set_weak yes $*
}
disable_weak(){
set_weak no $*
}
enable_safe(){
for var; do
enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
done
}
disable_safe(){
for var; do
disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
done
}
do_enable_deep(){
for var; do
enabled $var && continue
eval sel="\$${var}_select"
eval sgs="\$${var}_suggest"
pushvar var sgs
enable_deep $sel
popvar sgs
enable_deep_weak $sgs
popvar var
done
}
enable_deep(){
do_enable_deep $*
enable $*
}
enable_deep_weak(){
do_enable_deep $*
enable_weak $*
}
enabled(){
test "${1#!}" = "$1" && op== || op=!=
eval test "x\$${1#!}" $op "xyes"
}
disabled(){
test "${1#!}" = "$1" && op== || op=!=
eval test "x\$${1#!}" $op "xno"
}
enabled_all(){
for opt; do
enabled $opt || return 1
done
}
disabled_all(){
for opt; do
disabled $opt || return 1
done
}
enabled_any(){
for opt; do
enabled $opt && return 0
done
}
disabled_any(){
for opt; do
disabled $opt && return 0
done
return 1
}
set_default(){
for opt; do
eval : \${$opt:=\$${opt}_default}
done
}
is_in(){
value=$1
shift
for var in $*; do
[ $var = $value ] && return 0
done
return 1
}
check_deps(){
for cfg; do
cfg="${cfg#!}"
enabled ${cfg}_checking && die "Circular dependency for $cfg."
disabled ${cfg}_checking && continue
enable ${cfg}_checking
eval dep_all="\$${cfg}_deps"
eval dep_any="\$${cfg}_deps_any"
eval dep_sel="\$${cfg}_select"
eval dep_sgs="\$${cfg}_suggest"
eval dep_ifa="\$${cfg}_if"
eval dep_ifn="\$${cfg}_if_any"
pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
[ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
[ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
enabled_all $dep_all || disable $cfg
enabled_any $dep_any || disable $cfg
disabled_any $dep_sel && disable $cfg
if enabled $cfg; then
eval dep_extralibs="\$${cfg}_extralibs"
test -n "$dep_extralibs" && add_extralibs $dep_extralibs
enable_deep $dep_sel
enable_deep_weak $dep_sgs
fi
disable ${cfg}_checking
done
}
print_config(){
pfx=$1
header=$2
makefile=$3
shift 3
for cfg; do
ucname="$(toupper $cfg)"
if enabled $cfg; then
echo "#define ${pfx}${ucname} 1" >> $header
echo "${pfx}${ucname}=yes" >> $makefile
else
echo "#define ${pfx}${ucname} 0" >> $header
echo "!${pfx}${ucname}=yes" >> $makefile
fi
done
}
flags_saved(){
(: ${SAVE_CFLAGS?}) 2> /dev/null
}
save_flags(){
flags_saved && return
SAVE_CFLAGS="$CFLAGS"
SAVE_LDFLAGS="$LDFLAGS"
SAVE_extralibs="$extralibs"
}
restore_flags(){
flags_saved || return
CFLAGS="$SAVE_CFLAGS"
LDFLAGS="$SAVE_LDFLAGS"
extralibs="$SAVE_extralibs"
unset SAVE_CFLAGS
unset SAVE_LDFLAGS
unset SAVE_extralibs
}
temp_cflags(){
save_flags
CFLAGS="$CFLAGS $*"
}
temp_ldflags(){
save_flags
LDFLAGS="$LDFLAGS $*"
}
temp_extralibs(){
save_flags
extralibs="$extralibs $*"
}
append(){
var=$1
shift
flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
eval "$var=\"\$$var $*\""
}
add_cppflags(){
append CPPFLAGS $($filter_cppflags "$@")
}
add_cflags(){
append CFLAGS $($filter_cflags "$@")
}
add_asflags(){
append ASFLAGS $($filter_asflags "$@")
}
add_ldflags(){
append LDFLAGS "$@"
}
add_extralibs(){
append extralibs "$@"
}
check_cmd(){
log "$@"
"$@" >> $logfile 2>&1
}
check_cc(){
log check_cc "$@"
cat > $TMPC
log_file $TMPC
check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
}
check_cpp(){
log check_cpp "$@"
cat > $TMPC
log_file $TMPC
check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
}
check_as(){
log check_as "$@"
cat > $TMPC
log_file $TMPC
check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
}
check_asm(){
log check_asm "$@"
name="$1"
code="$2"
shift 2
disable $name
check_as "$@" <<EOF && enable $name
void foo(void){ __asm__ volatile($code); }
EOF
}
check_yasm(){
log check_yasm "$@"
echo "$1" > $TMPS
log_file $TMPS
shift 1
check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
}
check_ld(){
log check_ld "$@"
flags=''
libs=''
for f; do
test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
done
check_cc $($filter_cflags $flags) || return
check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
}
check_cppflags(){
log check_cppflags "$@"
set -- $($filter_cppflags "$@")
check_cc "$@" <<EOF && append CPPFLAGS "$@"
int x;
EOF
}
check_cflags(){
log check_cflags "$@"
set -- $($filter_cflags "$@")
check_cc "$@" <<EOF && append CFLAGS "$@"
int x;
EOF
}
test_ldflags(){
log test_ldflags "$@"
check_ld "$@" <<EOF
int main(void){ return 0; }
EOF
}
check_ldflags(){
log check_ldflags "$@"
test_ldflags "$@" && add_ldflags "$@"
}
check_header(){
log check_header "$@"
header=$1
shift
disable_safe $header
check_cpp "$@" <<EOF && enable_safe $header
#include <$header>
int x;
EOF
}
check_func(){
log check_func "$@"
func=$1
shift
disable $func
check_ld "$@" <<EOF && enable $func
extern int $func();
int main(void){ $func(); }
EOF
}
check_func_headers(){
log check_func_headers "$@"
headers=$1
func=$2
shift 2
disable $func
incs=""
for hdr in $headers; do
incs="$incs
#include <$hdr>"
done
check_ld "$@" <<EOF && enable $func && enable_safe $headers
$incs
int main(int argc, char **argv){
return (long) $func;
}
EOF
}
check_cpp_condition(){
log check_cpp_condition "$@"
header=$1
condition=$2
shift 2
check_cpp $($filter_cppflags "$@") <<EOF
#include <$header>
#if !($condition)
#error "unsatisfied condition: $condition"
#endif
EOF
}
check_lib(){
log check_lib "$@"
header="$1"
func="$2"
shift 2
temp_extralibs "$@"
check_header $header && check_func $func && add_extralibs "$@"
err=$?
restore_flags
return $err
}
check_lib2(){
log check_lib2 "$@"
headers="$1"
func="$2"
shift 2
check_func_headers "$headers" $func "$@" && add_extralibs "$@"
}
check_exec(){
check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
}
check_exec_crash(){
code=$(cat)
# exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
# are safe but may not be available everywhere. Thus we use
# raise(SIGTERM) instead. The check is run in a subshell so we
# can redirect the "Terminated" message from the shell. SIGBUS
# is not defined by standard C so it is used conditionally.
(check_exec "$@") >> $logfile 2>&1 <<EOF
#include <signal.h>
static void sighandler(int sig){
raise(SIGTERM);
}
int main(void){
signal(SIGILL, sighandler);
signal(SIGFPE, sighandler);
signal(SIGSEGV, sighandler);
#ifdef SIGBUS
signal(SIGBUS, sighandler);
#endif
{ $code }
}
EOF
}
check_type(){
log check_type "$@"
headers=$1
type=$2
shift 2
disable_safe "$type"
incs=""
for hdr in $headers; do
incs="$incs
#include <$hdr>"
done
check_cc "$@" <<EOF && enable_safe "$type"
$incs
$type v;
EOF
}
check_struct(){
log check_type "$@"
headers=$1
struct=$2
member=$3
shift 3
disable_safe "${struct}_${member}"
incs=""
for hdr in $headers; do
incs="$incs
#include <$hdr>"
done
check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
$incs
const void *p = &(($struct *)0)->$member;
EOF
}
require(){
name="$1"
header="$2"
func="$3"
shift 3
check_lib $header $func "$@" || die "ERROR: $name not found"
}
require2(){
name="$1"
headers="$2"
func="$3"
shift 3
check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
}
check_foo_config(){
cfg=$1
pkg=$2
header=$3
func=$4
shift 4
disable $cfg
check_cmd ${pkg}-config --version
err=$?
if test "$err" = 0; then
temp_cflags $(${pkg}-config --cflags)
temp_extralibs $(${pkg}-config --libs)
check_lib "$@" $header $func && enable $cfg
fi
return $err
}
check_host_cc(){
log check_host_cc "$@"
cat > $TMPC
log_file $TMPC
check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
}
check_host_cflags(){
log check_host_cflags "$@"
check_host_cc "$@" <<EOF && append host_cflags "$@"
int x;
EOF
}
apply(){
file=$1
shift
"$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
}
cp_if_changed(){
cmp -s "$1" "$2" &&
echo "$2 is unchanged" ||
cp -f "$1" "$2"
}
# CONFIG_LIST contains configurable options, while HAVE_LIST is for
# system-dependent things.
COMPONENT_LIST="
bsfs
decoders
demuxers
encoders
filters
hwaccels
indevs
muxers
outdevs
parsers
protocols
"
CONFIG_LIST="
$COMPONENT_LIST
aandct
avcodec
avdevice
avfilter
avfilter_lavf
avformat
avisynth
beos_netserver
bzlib
dct
doc
dxva2
fastdiv
ffmpeg
ffplay
ffserver
fft
golomb
gpl
gprof
gray
hardcoded_tables
libdc1394
libdirac
libfaac
libfaad
libfaadbin
libgsm
libmp3lame
libnut
libopencore_amrnb
libopencore_amrwb
libopenjpeg
libschroedinger
libspeex
libtheora
libvorbis
libx264
libxvid
lpc
mdct
memalign_hack
mlib
mpegaudio_hp
network
nonfree
pic
postproc
powerpc_perf
rdft
runtime_cpudetect
shared
small
sram
static
swscale
swscale_alpha
vaapi
vdpau
version3
x11grab
zlib
"
THREADS_LIST='
beosthreads
os2threads
pthreads
w32threads
'
ARCH_LIST='
alpha
arm
avr32
avr32_ap
avr32_uc
bfin
ia64
m68k
mips
mips64
parisc
ppc
ppc64
s390
sh4
sparc
sparc64
x86
x86_32
x86_64
'
ARCH_EXT_LIST='
altivec
amd3dnow
amd3dnowext
armv5te
armv6
armv6t2
armvfp
iwmmxt
mmi
mmx
mmx2
neon
ppc4xx
sse
ssse3
vis
'
HAVE_LIST_PUB='
bigendian
'
HAVE_LIST="
$ARCH_EXT_LIST
$HAVE_LIST_PUB
$THREADS_LIST
alsa_asoundlib_h
altivec_h
arpa_inet_h
attribute_may_alias
attribute_packed
bswap
closesocket
cmov
conio_h
dcbzl
dev_bktr_ioctl_bt848_h
dev_bktr_ioctl_meteor_h
dev_ic_bt8xx_h
dev_video_meteor_ioctl_meteor_h
dev_video_bktr_ioctl_bt848_h
dlfcn_h
dlopen
dos_paths
ebp_available
ebx_available
exp2
exp2f
fast_64bit
fast_clz
fast_cmov
fast_unaligned
fork
getaddrinfo
gethrtime
GetProcessTimes
getrusage
inet_aton
inline_asm
isatty
ldbrx
libdc1394_1
libdc1394_2
llrint
log2
log2f
loongson
lrint
lrintf
lzo1x_999_compress
machine_ioctl_bt848_h
machine_ioctl_meteor_h
malloc_h
memalign
mkstemp
pld
posix_memalign
round
roundf
sdl
sdl_video_size
setmode
socklen_t
soundcard_h
poll_h
struct_addrinfo
struct_ipv6_mreq
struct_sockaddr_in6
struct_sockaddr_sa_len
struct_sockaddr_storage
sys_mman_h
sys_resource_h
sys_select_h
sys_soundcard_h
sys_videoio_h
ten_operands
termios_h
threads
truncf
vfp_args
VirtualAlloc
winsock2_h
xform_asm
yasm
"
# options emitted with CONFIG_ prefix but not available on command line
CONFIG_EXTRA="
avutil
gplv3
lgplv3
"
CMDLINE_SELECT="
$ARCH_EXT_LIST
$CONFIG_LIST
$THREADS_LIST
asm
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
dep_cc
extra_version
host_cc
host_cflags
host_ldflags
host_libs
host_os
ld
logfile
malloc_prefix
nm
source_path
sysinclude
sysroot
target_exec
target_os
target_path
"
CMDLINE_APPEND="
extra_cflags
"
# code dependency declarations
# architecture extensions
armv5te_deps="arm"
armv6_deps="arm"
armv6t2_deps="arm"
armvfp_deps="arm"
iwmmxt_deps="arm"
neon_deps="arm"
mmi_deps="mips"
altivec_deps="ppc"
ppc4xx_deps="ppc"
vis_deps="sparc"
x86_64_suggest="cmov fast_cmov"
amd3dnow_deps="mmx"
amd3dnowext_deps="amd3dnow"
mmx_deps="x86"
mmx2_deps="mmx"
sse_deps="mmx"
ssse3_deps="sse"
fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
fast_unaligned_if_any="armv6 ppc x86"
need_memalign="altivec neon sse"
inline_asm_deps="!tms470"
# decoders / encoders / hardware accelerators
aac_decoder_select="fft mdct aac_parser"
aac_encoder_select="fft mdct"
ac3_decoder_select="fft mdct ac3_parser"
alac_encoder_select="lpc"
atrac3_decoder_select="fft mdct"
binkaudio_dct_decoder_select="fft mdct rdft dct"
binkaudio_rdft_decoder_select="fft mdct rdft"
cavs_decoder_select="golomb"
cook_decoder_select="fft mdct"
cscd_decoder_suggest="zlib"
dca_decoder_select="fft mdct"
dnxhd_encoder_select="aandct"
dxa_decoder_select="zlib"
eac3_decoder_select="ac3_decoder"
eamad_decoder_select="aandct"
eatgq_decoder_select="aandct"
eatqi_decoder_select="aandct"
ffv1_decoder_select="golomb"
flac_decoder_select="golomb"
flac_encoder_select="golomb lpc"
flashsv_decoder_select="zlib"
flashsv_encoder_select="zlib"
flv_decoder_select="h263_decoder"
flv_encoder_select="h263_encoder"
h261_encoder_select="aandct"
h263_decoder_select="h263_parser"
h263_encoder_select="aandct"
h263_vaapi_hwaccel_deps="va_va_h"
h263_vaapi_hwaccel_select="vaapi h263_decoder"
h263i_decoder_select="h263_decoder"
h263p_encoder_select="h263_encoder"
h264_decoder_select="golomb"
h264_dxva2_hwaccel_deps="dxva2api_h"
h264_dxva2_hwaccel_select="dxva2 h264_decoder"
h264_vaapi_hwaccel_deps="va_va_h"
h264_vaapi_hwaccel_select="vaapi"
h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
h264_vdpau_decoder_select="vdpau h264_decoder"
imc_decoder_select="fft mdct"
jpegls_decoder_select="golomb"
jpegls_encoder_select="golomb"
ljpeg_encoder_select="aandct"
loco_decoder_select="golomb"
mjpeg_encoder_select="aandct"
mlp_decoder_select="mlp_parser"
mpeg1video_encoder_select="aandct"
mpeg2video_encoder_select="aandct"
mpeg4_decoder_select="h263_decoder mpeg4video_parser"
mpeg4_encoder_select="h263_encoder"
mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
mpeg2_vaapi_hwaccel_deps="va_va_h"
mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
mpeg4_vaapi_hwaccel_deps="va_va_h"
mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
mpeg_xvmc_decoder_select="mpegvideo_decoder"
msmpeg4v1_decoder_select="h263_decoder"
msmpeg4v1_encoder_select="h263_encoder"
msmpeg4v2_decoder_select="h263_decoder"
msmpeg4v2_encoder_select="h263_encoder"
msmpeg4v3_decoder_select="h263_decoder"
msmpeg4v3_encoder_select="h263_encoder"
nellymoser_decoder_select="fft mdct"
nellymoser_encoder_select="fft mdct"
png_decoder_select="zlib"
png_encoder_select="zlib"
qdm2_decoder_select="fft mdct rdft"
rv10_decoder_select="h263_decoder"
rv10_encoder_select="h263_encoder"
rv20_decoder_select="h263_decoder"
rv20_encoder_select="h263_encoder"
rv30_decoder_select="golomb"
rv40_decoder_select="golomb"
shorten_decoder_select="golomb"
sonic_decoder_select="golomb"
sonic_encoder_select="golomb"
sonic_ls_encoder_select="golomb"
svq3_decoder_select="golomb"
svq3_decoder_suggest="zlib"
theora_decoder_select="vp3_decoder"
tiff_decoder_suggest="zlib"
tiff_encoder_suggest="zlib"
truehd_decoder_select="mlp_decoder"
tscc_decoder_select="zlib"
vc1_decoder_select="h263_decoder"
vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
vc1_vaapi_hwaccel_deps="va_va_h"
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
vc1_vdpau_decoder_select="vdpau vc1_decoder"
vorbis_decoder_select="fft mdct"
vorbis_encoder_select="fft mdct"
vp6a_decoder_select="vp6_decoder"
vp6f_decoder_select="vp6_decoder"
wmav1_decoder_select="fft mdct"
wmav1_encoder_select="fft mdct"
wmav2_decoder_select="fft mdct"
wmav2_encoder_select="fft mdct"
wmv1_decoder_select="h263_decoder"
wmv1_encoder_select="h263_encoder"
wmv2_decoder_select="h263_decoder"
wmv2_encoder_select="h263_encoder"
wmv3_decoder_select="vc1_decoder"
wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
zlib_decoder_select="zlib"
zlib_encoder_select="zlib"
zmbv_decoder_select="zlib"
zmbv_encoder_select="zlib"
# parsers
h264_parser_select="golomb"
# bitstream_filters
aac_adtstoasc_bsf_select="aac_parser"
# external libraries
libdirac_decoder_deps="libdirac !libschroedinger"
libdirac_encoder_deps="libdirac"
libfaac_encoder_deps="libfaac"
libfaad_decoder_deps="libfaad"
libfaadbin_decoder_extralibs='$ldl'
libgsm_decoder_deps="libgsm"
libgsm_encoder_deps="libgsm"
libgsm_ms_decoder_deps="libgsm"
libgsm_ms_encoder_deps="libgsm"
libmp3lame_encoder_deps="libmp3lame"
libopencore_amrnb_decoder_deps="libopencore_amrnb"
libopencore_amrnb_encoder_deps="libopencore_amrnb"
libopencore_amrwb_decoder_deps="libopencore_amrwb"
libopenjpeg_decoder_deps="libopenjpeg"
libschroedinger_decoder_deps="libschroedinger"
libschroedinger_encoder_deps="libschroedinger"
libspeex_decoder_deps="libspeex"
libtheora_encoder_deps="libtheora"
libvorbis_encoder_deps="libvorbis"
libx264_encoder_deps="libx264"
libxvid_encoder_deps="libxvid"
# demuxers / muxers
ac3_demuxer_deps="ac3_parser"
asf_stream_muxer_select="asf_muxer"
avisynth_demuxer_deps="avisynth"
dirac_demuxer_deps="dirac_parser"
eac3_demuxer_select="ac3_parser"
ipod_muxer_select="mov_muxer"
libnut_demuxer_deps="libnut"
libnut_muxer_deps="libnut"
matroska_audio_muxer_select="matroska_muxer"
matroska_demuxer_suggest="zlib bzlib"
mov_demuxer_suggest="zlib"
mp3_demuxer_deps="mpegaudio_parser"
mp4_muxer_select="mov_muxer"
mpegtsraw_demuxer_select="mpegts_demuxer"
mxf_d10_muxer_select="mxf_muxer"
ogg_demuxer_select="golomb"
psp_muxer_select="mov_muxer"
rtsp_demuxer_deps="sdp_demuxer"
sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
spdif_muxer_select="aac_parser"
tg2_muxer_select="mov_muxer"
tgp_muxer_select="mov_muxer"
w64_demuxer_deps="wav_demuxer"
# indevs / outdevs
alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
alsa_indev_extralibs="-lasound"
alsa_outdev_deps="alsa_asoundlib_h"
alsa_outdev_extralibs="-lasound"
audio_beos_indev_deps="audio_beos"
audio_beos_indev_extralibs="-lmedia -lbe"
audio_beos_outdev_deps="audio_beos"
audio_beos_outdev_extralibs="-lmedia -lbe"
bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
dv1394_indev_deps="dv1394 dv_demuxer"
jack_indev_deps="jack_jack_h"
jack_indev_extralibs="-ljack"
libdc1394_indev_deps="libdc1394"
oss_indev_deps_any="soundcard_h sys_soundcard_h"
oss_outdev_deps_any="soundcard_h sys_soundcard_h"
v4l_indev_deps="linux_videodev_h"
v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
vfwcap_indev_deps="capCreateCaptureWindow"
vfwcap_indev_extralibs="-lavicap32"
x11_grab_device_indev_deps="x11grab XShmCreateImage"
x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
# protocols
gopher_protocol_deps="network"
http_protocol_deps="network"
rtmp_protocol_deps="tcp_protocol"
rtp_protocol_deps="udp_protocol"
tcp_protocol_deps="network"
udp_protocol_deps="network"
# filters
movie_filter_deps="avfilter_lavf"
avfilter_lavf_deps="avformat"
# libraries
avdevice_deps="avcodec avformat"
avformat_deps="avcodec"
# programs
ffmpeg_deps="avcodec avformat swscale"
ffplay_deps="avcodec avformat swscale sdl"
ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
ffserver_extralibs='$ldl'
doc_deps="texi2html"
# default parameters
logfile="config.err"
# installation paths
prefix_default="/usr/local"
bindir_default='${prefix}/bin'
datadir_default='${prefix}/share/ffmpeg'
incdir_default='${prefix}/include'
libdir_default='${prefix}/lib'
mandir_default='${prefix}/share/man'
shlibdir_default="$libdir_default"
# toolchain
ar="ar"
cc_default="gcc"
cc_version=\"unknown\"
host_cc_default="gcc"
ln_s="ln -sf"
nm_default="nm"
objformat="elf"
ranlib="ranlib"
strip="strip"
yasmexe="yasm"
nm_opts='-g'
# machine
arch=$(uname -m)
cpu="generic"
# OS
target_os=$(tolower $(uname -s))
host_os=$target_os
# configurable options
enable avcodec
enable avdevice
enable avformat
enable avutil
enable asm
enable debug
enable doc
enable fastdiv
enable ffmpeg
enable ffplay
enable ffserver
enable mpegaudio_hp
enable network
enable optimizations
enable protocols
enable static
enable stripping
enable swscale
enable swscale_alpha
# build settings
SHFLAGS='-shared -Wl,-soname,$$(@F)'
FFSERVERLDFLAGS=-Wl,-E
LIBPREF="lib"
LIBSUF=".a"
FULLNAME='$(NAME)$(BUILDSUF)'
LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
SLIBPREF="lib"
SLIBSUF=".so"
SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
CC_O='-o $@'
host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
host_libs='-lm'
target_path='$(CURDIR)'
# gcc stupidly only outputs the basename of targets with -MM, but we need the
# full relative path for objects in subdirectories for non-recursive Make.
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
# find source path
source_path="$(dirname "$0")"
enable source_path_used
if test -f configure; then
source_path="$(pwd)"
disable source_path_used
else
source_path="$(cd "$source_path"; pwd)"
echo "$source_path" | grep -q '[[:blank:]]' &&
die "Out of tree builds are impossible with whitespace in source path."
test -e "$source_path/config.h" &&
die "Out of tree builds are impossible with config.h in source dir."
fi
for v in "$@"; do
r=${v#*=}
l=${v%"$r"}
r=$(sh_quote "$r")
FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
done
find_things(){
thing=$1
pattern=$2
file=$source_path/$3
sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
}
ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
DECODER_LIST=$(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 outdev OUTDEV libavdevice/alldevices.c)
INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
PROTOCOL_LIST=$(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 | pr -3 -t
exit 0
}
for opt do
optval="${opt#*=}"
case "$opt" in
--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/--/action=/;s/-/ thing=/')
is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
eval list=\$$(toupper $thing)_LIST
name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
$action $(filter "$name" $list)
;;
--enable-?*|--disable-?*)
eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
if is_in $option $COMPONENT_LIST; then
test $action = disable && action=unset
eval $action \$$(toupper ${option%s})_LIST
elif is_in $option $CMDLINE_SELECT; then
$action $option
else
die_unknown $opt
fi
;;
--list-*)
NAME="${opt#--list-}"
is_in $NAME $COMPONENT_LIST || die_unknown $opt
NAME=${NAME%s}
eval show_list $NAME \$$(toupper $NAME)_LIST
;;
--help|-h) show_help
;;
*)
optname="${opt%%=*}"
optname="${optname#--}"
optname=$(echo "$optname" | sed 's/-/_/g')
if is_in $optname $CMDLINE_SET; then
eval $optname='$optval'
elif is_in $optname $CMDLINE_APPEND; then
append $optname "$optval"
else
die_unknown $opt
fi
;;
esac
done
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="${sysroot}/usr/include"
set_default cc nm sysinclude
enabled cross_compile || host_cc_default=$cc
set_default host_cc
exesuf() {
case $1 in
mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
esac
}
EXESUF=$(exesuf $target_os)
HOSTEXESUF=$(exesuf $host_os)
# set temporary file name
: ${TMPDIR:=$TEMPDIR}
: ${TMPDIR:=$TMP}
: ${TMPDIR:=/tmp}
if ! check_cmd type mktemp; then
# simple replacement for missing mktemp
# NOT SAFE FOR GENERAL USE
mktemp(){
echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
}
fi
tmpfile(){
tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
(set -C; exec > $tmp) 2>/dev/null ||
die "Unable to create temporary file in $TMPDIR."
append TMPFILES $tmp
eval $1=$tmp
}
trap 'rm -f -- $TMPFILES' EXIT
trap exit HUP INT TERM
tmpfile TMPC .c
tmpfile TMPE $EXESUF
tmpfile TMPH .h
tmpfile TMPO .o
tmpfile TMPS .S
tmpfile TMPV .ver
tmpfile TMPSH .sh
unset -f mktemp
# make sure we can execute files in $TMPDIR
cat > $TMPSH 2>> $logfile <<EOF
#! /bin/sh
EOF
chmod +x $TMPSH >> $logfile 2>&1
if ! $TMPSH >> $logfile 2>&1; then
cat <<EOF
Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
variable to another directory and make sure that it is not mounted noexec.
EOF
die "Sanity test failed."
fi
filter_cflags=echo
filter_cppflags=echo
filter_asflags=echo
if $cc -v 2>&1 | grep -qi ^gcc; then
cc_type=gcc
cc_version=__VERSION__
if ! $cc -dumpversion | grep -q '^2\.'; then
CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
fi
speed_cflags='-O3'
size_cflags='-Os'
elif $cc --version 2>/dev/null | grep -q Intel; then
cc_type=icc
cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
CC_DEPFLAGS='-MMD'
AS_DEPFLAGS='-MMD'
speed_cflags='-O3'
size_cflags='-Os'
elif $cc -v 2>&1 | grep -q xlc; then
cc_type=xlc
cc_version="AV_STRINGIFY(__IBMC__)"
speed_cflags='-O5'
size_cflags='-O5 -qcompact'
elif $cc -V 2>/dev/null | grep -q Compaq; then
cc_type=ccc
cc_version="AV_STRINGIFY(__DECC_VER)"
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
debuglevel=3
add_ldflags -Wl,-z,now # calls to libots crash without this
speed_cflags='-fast'
size_cflags='-O1'
elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
test -d "$sysroot" || die "No valid sysroot specified."
cc_type=armcc
cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
armcc_conf="$PWD/armcc.conf"
$cc --arm_linux_configure \
--arm_linux_config_file="$armcc_conf" \
--configure_sysroot="$sysroot" \
--configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
die "Error creating armcc configuration file."
cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
as_default="${cross_prefix}gcc"
CC_DEPFLAGS='-MMD'
AS_DEPFLAGS='-MMD'
speed_cflags='-O3'
size_cflags='-Os'
elif $cc -version 2>/dev/null | grep -q TMS470; then
cc_type=tms470
cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
CC_O='-fr=$(@D)'
as_default="${cross_prefix}gcc"
ld_default="${cross_prefix}gcc"
TMPO=$(basename $TMPC .c).o
append TMPFILES $TMPO
add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
AS_DEPFLAGS='-MMD'
speed_cflags='-O3 -mf=5'
size_cflags='-O3 -mf=2'
filter_cflags=tms470_flags
tms470_flags(){
for flag; do
case $flag in
-march=*|-mcpu=*)
case "${flag#*=}" in
armv7-a|cortex-a*) echo -mv=7a8 ;;
armv7-r|cortex-r*) echo -mv=7r4 ;;
armv7-m|cortex-m*) echo -mv=7m3 ;;
armv6*|arm11*) echo -mv=6 ;;
armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
echo -mv=5e ;;
armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
esac
;;
-mfpu=neon) echo --float_support=vfpv3 --neon ;;
-mfpu=vfp) echo --float_support=vfpv2 ;;
-mfpu=vfpv3) echo --float_support=vfpv3 ;;
-msoft-float) echo --float_support=vfplib ;;
-O[0-3]|-mf=*) echo $flag ;;
-g) echo -g -mn ;;
-pds=*) echo $flag ;;
esac
done
}
elif $cc -v 2>&1 | grep -q clang; then
cc_type=clang
cc_version=__VERSION__
CC_DEPFLAGS='-MMD'
AS_DEPFLAGS='-MMD'
speed_cflags='-O3'
size_cflags='-Os'
elif $cc -V 2>&1 | grep -q Sun; then
cc_type=suncc
cc_version="AV_STRINGIFY(__SUNPRO_C)"
DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
speed_cflags='-O5'
size_cflags='-O5 -xspace'
filter_cflags=suncc_flags
suncc_flags(){
for flag; do
case $flag in
-march=*|-mcpu=*)
case "${flag#*=}" in
native) echo -xtarget=native ;;
v9) echo -xarch=sparc ;;
ultrasparc) echo -xarch=sparcvis ;;
ultrasparc3|niagara*) echo -xarch=sparcvis2 ;;
i586|pentium) echo -xchip=pentium ;;
i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
pentium3*|c3-2) echo -xtarget=pentium3 ;;
pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
pentium4*) echo -xtarget=pentium4 ;;
prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
*-sse3) echo -xarch=sse3 ;;
core2) echo -xarch=ssse3 -xchip=core2 ;;
amdfam10|barcelona) echo -xarch=sse4_1 ;;
athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
k8|opteron|athlon64|athlon-fx)
echo -xarch=sse2a ;;
athlon*) echo -xarch=pentium_proa ;;
esac
;;
-std=c99) echo -xc99 ;;
-fomit-frame-pointer) echo -xregs=frameptr ;;
-fPIC) echo -KPIC -xcode=pic32 ;;
-W*,*) echo $flag ;;
-f*-*|-W*) ;;
*) echo $flag ;;
esac
done
}
fi
test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
: ${as_default:=$cc}
: ${dep_cc_default:=$cc}
: ${ld_default:=$cc}
set_default as dep_cc ld
test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
add_cflags $extra_cflags
add_asflags $extra_cflags
if test -n "$sysroot"; then
case "$cc_type" in
gcc)
add_cppflags --sysroot="$sysroot"
add_ldflags --sysroot="$sysroot"
;;
tms470)
add_cppflags -I"$sysinclude"
add_ldflags --sysroot="$sysroot"
;;
clang)
add_cppflags -isysroot="$sysroot"
add_ldflags -isysroot="$sysroot"
;;
esac
fi
if test "$cpu" = host; then
enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
case "$cc_type" in
gcc)
check_native(){
$cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
sed -n "/$1=/{
s/.*$1=\\([^ ]*\\).*/\\1/
p
q
}" $TMPE
}
cpu=$(check_native -march || check_native -mcpu)
;;
esac
test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
fi
# Deal with common $arch aliases
case "$arch" in
arm*)
arch="arm"
;;
mips|mipsel|IP*)
arch="mips"
;;
mips64)
arch="mips"
subarch="mips64"
;;
parisc|hppa)
arch="parisc"
;;
parisc64|hppa64)
arch="parisc"
subarch="parisc64"
;;
"Power Macintosh"|ppc|powerpc)
arch="ppc"
;;
ppc64)
arch="ppc"
subarch="ppc64"
;;
s390|s390x)
arch="s390"
;;
sh4|sh)
arch="sh4"
;;
sun4u|sparc64)
arch="sparc"
subarch="sparc64"
;;
i[3-6]86|i86pc|BePC|x86_64|amd64)
arch="x86"
;;
esac
is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
enable $arch
# Add processor-specific flags
if test "$cpu" = generic; then
: do nothing
elif enabled ppc; then
case $(tolower $cpu) in
601|ppc601|powerpc601)
cpuflags="-mcpu=601"
disable altivec
;;
603*|ppc603*|powerpc603*)
cpuflags="-mcpu=603"
disable altivec
;;
604*|ppc604*|powerpc604*)
cpuflags="-mcpu=604"
disable altivec
;;
g3|75*|ppc75*|powerpc75*)
cpuflags="-mcpu=750 -mpowerpc-gfxopt"
disable altivec
;;
g4|745*|ppc745*|powerpc745*)
cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
;;
74*|ppc74*|powerpc74*)
cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
;;
g5|970|ppc970|powerpc970|power4*)
cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
;;
cell)
cpuflags="-mcpu=cell"
enable ldbrx
;;
e500v2)
cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
disable altivec
;;
e500)
cpuflags="-mcpu=8540 -mhard-float"
disable altivec
;;
esac
elif enabled x86; then
case $cpu in
i[345]86|pentium)
cpuflags="-march=$cpu"
disable mmx
;;
# targets that do NOT support conditional mov (cmov)
pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
cpuflags="-march=$cpu"
disable cmov
;;
# targets that do support conditional mov (cmov)
i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
cpuflags="-march=$cpu"
enable cmov
enable fast_cmov
;;
# targets that do support conditional mov but on which it's slow
pentium4|pentium4m|prescott|nocona)
cpuflags="-march=$cpu"
enable cmov
disable fast_cmov
;;
esac
elif enabled sparc; then
case $cpu in
sparc64)
cpuflags="-mcpu=v9"
;;
esac
elif enabled arm; then
case $cpu in
armv*)
cpuflags="-march=$cpu"
;;
*)
cpuflags="-mcpu=$cpu"
;;
esac
elif enabled alpha; then
enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
elif enabled bfin; then
cpuflags="-mcpu=$cpu"
elif enabled mips; then
cpuflags="-march=$cpu"
elif enabled avr32; then
case $cpu in
ap7[02]0[0-2])
subarch="avr32_ap"
cpuflags="-mpart=$cpu"
;;
ap)
subarch="avr32_ap"
cpuflags="-march=$cpu"
;;
uc3[ab]*)
subarch="avr32_uc"
cpuflags="-mcpu=$cpu"
;;
uc)
subarch="avr32_uc"
cpuflags="-march=$cpu"
;;
esac
fi
add_cflags $cpuflags
add_asflags $cpuflags
# compiler sanity check
check_exec <<EOF
int main(void){ return 0; }
EOF
if test "$?" != 0; then
echo "$cc is unable to create an executable file."
if test -z "$cross_prefix" && ! enabled cross_compile ; then
echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
echo "Only do this if you know what cross compiling means."
fi
die "C compiler test failed."
fi
add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
check_cflags -std=c99
check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
#include <stdlib.h>
EOF
check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
#include <stdlib.h>
EOF
check_host_cflags -std=c99
case "$arch" in
alpha|ia64|mips|parisc|sparc)
spic=$shared
;;
x86)
subarch="x86_32"
check_cc <<EOF && subarch="x86_64"
int test[(int)sizeof(char*) - 7];
EOF
if test "$subarch" = "x86_64"; then
spic=$shared
fi
;;
esac
enable $subarch
enabled spic && enable pic
check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
# OS specific
case $target_os in
beos|haiku|zeta)
prefix_default="$HOME/config"
# 3 gcc releases known for BeOS, each with ugly bugs
gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
case "$gcc_version" in
2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
disable mmx
;;
*20010315*) echo "BeBits gcc"
add_cflags -fno-expensive-optimizations
;;
esac
SHFLAGS=-nostart
# enable BeOS things
enable audio_beos
# no need for libm, but the inet stuff
# Check for BONE
# XXX: actually should check for NOT net_server
if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
network_extralibs="-lbind -lsocket"
else
enable beos_netserver
network_extralibs="-lnet"
fi ;;
sunos)
FFSERVERLDFLAGS=""
SHFLAGS='-shared -Wl,-h,$$(@F)'
enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
network_extralibs="-lsocket -lnsl"
add_cppflags -D__EXTENSIONS__
nm_opts='-P -g'
;;
netbsd)
oss_indev_extralibs="-lossaudio"
oss_outdev_extralibs="-lossaudio"
;;
openbsd)
enable malloc_aligned
# On OpenBSD 4.5. the compiler does not use PIC unless
# explicitly using -fPIC. FFmpeg builds fine without PIC,
# however the generated executable will not do anything
# (simply quits with exit-code 1, no crash, no output).
# Thus explicitly enable PIC here.
enable pic
SHFLAGS='-shared'
oss_indev_extralibs="-lossaudio"
oss_outdev_extralibs="-lossaudio"
;;
freebsd|dragonfly)
enable malloc_aligned
;;
bsd/os)
osextralibs="-lpoll -lgnugetopt"
strip="strip -d"
;;
darwin)
enable malloc_aligned
SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
strip="strip -x"
FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
SLIBSUF=".dylib"
SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
FFSERVERLDFLAGS=-Wl,-bind_at_load
objformat="macho"
enabled x86_64 && objformat="macho64"
enabled_any pic shared ||
{ check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
;;
mingw32*)
if test $target_os = "mingw32ce"; then
disable network
else
target_os=mingw32
fi
LIBTARGET=i386
if enabled x86_64; then
enable malloc_aligned
LIBTARGET=x64
elif enabled arm; then
LIBTARGET=arm
fi
shlibdir_default="$bindir_default"
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:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
install -d "$(LIBDIR)"; \
install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
objformat="win32"
enable dos_paths
check_cflags -fno-common
if ! enabled x86_64; then
check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
die "ERROR: MinGW runtime version must be >= 3.15."
enabled_any avisynth vfwcap_indev &&
{ check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
fi
;;
cygwin*)
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
check_cflags -fno-common
;;
*-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
;;
gnu/kfreebsd)
;;
gnu)
;;
*)
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
die_license_disabled() {
enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
}
die_license_disabled gpl libfaad2
die_license_disabled gpl libx264
die_license_disabled gpl libxvid
die_license_disabled gpl postproc
die_license_disabled gpl x11grab
die_license_disabled nonfree libfaac
die_license_disabled version3 libopencore_amrnb
die_license_disabled version3 libopencore_amrwb
enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
check_deps $ARCH_EXT_LIST
disabled optimizations || check_cflags -fomit-frame-pointer
enable_pic() {
enable pic
add_cppflags -DPIC
add_cflags -fPIC
add_asflags -fPIC
}
enabled pic && enable_pic
check_cc <<EOF || die "Symbol mangling check failed."
int ff_extern;
EOF
sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
extern_prefix=${sym%%ff_extern*}
check_cc <<EOF && enable inline_asm
void foo(void) { __asm__ volatile ("" ::); }
EOF
_restrict=
for restrict_keyword in restrict __restrict__ __restrict; do
check_cc <<EOF && _restrict=$restrict_keyword && break
void foo(char * $restrict_keyword p);
EOF
done
check_cc <<EOF && enable attribute_packed
struct { int x; } __attribute__((packed)) x;
EOF
check_cc <<EOF && enable attribute_may_alias
union { int x; } __attribute__((may_alias)) x;
EOF
check_cc <<EOF || die "endian test failed"
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
EOF
od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
if enabled alpha; then
check_cflags -mieee
elif enabled arm; then
check_cflags -marm
check_ld <<EOF && enable vfp_args
__asm__ (".eabi_attribute 28, 1");
int main(void) { return 0; }
EOF
# We have to check if pld is a nop and disable it.
check_asm pld '"pld [r0]"'
enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
enabled_all armv6t2 shared !pic && enable_pic
elif enabled ia64; then
# HACK: currently fails to build if .bss is > 4MB and shared libs are built
enabled shared && enable_weak hardcoded_tables
elif enabled mips; then
check_asm loongson '"dmult.g $1, $2, $3"'
enabled mmi && check_asm mmi '"lq $2, 0($2)"'
elif enabled ppc; then
check_asm dcbzl '"dcbzl 0, 1"'
check_asm ppc4xx '"maclhw r10, r11, r12"'
check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
# AltiVec flags: The FSF version of GCC differs from the Apple version
if enabled altivec; then
check_cflags -maltivec -mabi=altivec &&
{ check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
check_cflags -faltivec
# check if our compiler supports Motorola AltiVec C API
check_cc <<EOF || disable altivec
$inc_altivec_h
int main(void) {
vector signed int v1, v2, v3;
v1 = vec_add(v2,v3);
return 0;
}
EOF
# check if our compiler supports braces for vector declarations
check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
$inc_altivec_h
int main (void) { (vector int) {1}; return 0; }
EOF
fi
elif enabled sparc; then
enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
add_cflags -mcpu=ultrasparc -mtune=ultrasparc
elif enabled x86; then
# check whether EBP is available on x86
# As 'i' is stored on the stack, this program will crash
# if the base pointer is used to access it because the
# base pointer is cleared in the inline assembly code.
check_exec_crash <<EOF && enable ebp_available
volatile int i=0;
__asm__ volatile (
"xorl %%ebp, %%ebp"
::: "%ebp");
return i;
EOF
# check whether EBX is available on x86
check_asm ebx_available '""::"b"(0)' &&
check_asm ebx_available '"":::"%ebx"'
# check whether more than 10 operands are supported
check_cc <<EOF && enable ten_operands
int main(void) {
int x=0;
__asm__ volatile(
""
:"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
);
return 0;
}
EOF
# check whether binutils is new enough to compile SSSE3/MMX2
enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
check_asm bswap '"bswap %%eax" ::: "%eax"'
YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
enabled x86_64 && append YASMFLAGS "-m amd64"
enabled pic && append YASMFLAGS "-DPIC"
test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
case "$objformat" in
elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
esac
disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
case "$cpu" in
athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
disable fast_clz
;;
esac
fi
if check_func dlopen; then
ldl=
elif check_func dlopen -ldl; then
ldl=-ldl
fi
# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
check_func fork
check_func getaddrinfo $network_extralibs
check_func gethrtime
check_func getrusage
check_func inet_aton $network_extralibs
check_func isatty
check_func ${malloc_prefix}memalign && enable memalign
check_func mkstemp
check_func ${malloc_prefix}posix_memalign && enable posix_memalign
check_func_headers io.h setmode
check_func_headers lzo/lzo1x.h lzo1x_999_compress
check_func_headers windows.h GetProcessTimes
check_func_headers windows.h VirtualAlloc
check_header conio.h
check_header dlfcn.h
check_header dxva2api.h
check_header malloc.h
check_header poll.h
check_header sys/mman.h
check_header sys/resource.h
check_header sys/select.h
check_header termios.h
check_header vdpau/vdpau.h
check_header vdpau/vdpau_x11.h
check_header X11/extensions/XvMClib.h
check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
enabled_any $need_memalign ; then
die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
fi
disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
# 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
check_func exp2
check_func exp2f
check_func llrint
check_func log2
check_func log2f
check_func lrint
check_func lrintf
check_func round
check_func roundf
check_func truncf
# these are off by default, so fail if requested and not available
enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
enabled libgsm && require libgsm gsm.h gsm_create -lgsm
enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
{ check_cpp_condition x264.h "X264_BUILD >= 83" ||
die "ERROR: libx264 version must be >= 0.83."; }
enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
# libdc1394 check
if enabled libdc1394; then
{ check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
enable libdc1394_2; } ||
{ check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
enable libdc1394_1; } ||
die "ERROR: No version of libdc1394 found "
fi
SDL_CONFIG="${cross_prefix}sdl-config"
if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
sdl_cflags=$("${SDL_CONFIG}" --cflags)
sdl_libs=$("${SDL_CONFIG}" --libs)
check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
enable sdl &&
check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
fi
texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
if enabled network; then
check_type "sys/types.h sys/socket.h" socklen_t
check_type netdb.h "struct addrinfo"
check_type netinet/in.h "struct ipv6_mreq"
check_type netinet/in.h "struct sockaddr_in6"
check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
# Prefer arpa/inet.h over winsock2
if check_header arpa/inet.h ; then
check_func closesocket
elif check_header winsock2.h ; then
check_func_headers winsock2.h closesocket -lws2 && \
network_extralibs="-lws2" || \
{ check_func_headers winsock2.h closesocket -lws2_32 && \
network_extralibs="-lws2_32"; }
check_type ws2tcpip.h socklen_t
check_type ws2tcpip.h "struct addrinfo"
check_type ws2tcpip.h "struct ipv6_mreq"
check_type ws2tcpip.h "struct sockaddr_in6"
check_type ws2tcpip.h "struct sockaddr_storage"
check_struct winsock2.h "struct sockaddr" sa_len
else
disable network
fi
fi
check_header linux/videodev.h
check_header linux/videodev2.h
check_header sys/videoio.h
check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
{ check_header dev/bktr/ioctl_meteor.h &&
check_header dev/bktr/ioctl_bt848.h; } ||
{ check_header machine/ioctl_meteor.h &&
check_header machine/ioctl_bt848.h; } ||
{ check_header dev/video/meteor/ioctl_meteor.h &&
check_header dev/video/bktr/ioctl_bt848.h; } ||
check_header dev/ic/bt8xx.h
check_header sys/soundcard.h
check_header soundcard.h
enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
enabled x11grab &&
check_header X11/Xlib.h &&
check_header X11/extensions/XShm.h &&
check_header X11/extensions/Xfixes.h &&
check_func XOpenDisplay -lX11 &&
check_func XShmCreateImage -lX11 -lXext &&
check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
if ! disabled vdpau && enabled vdpau_vdpau_h; then
check_cpp_condition \
vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
{ echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
disable vdpau; }
fi
enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
# 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
echo "X{};" > $TMPV
test_ldflags -Wl,--version-script,$TMPV &&
append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
if enabled small; then
add_cflags $size_cflags
optimizations="small"
elif enabled optimizations; then
add_cflags $speed_cflags
fi
check_cflags -fno-math-errno
check_cflags -fno-signed-zeros
if enabled icc; then
# Just warnings, no remarks
check_cflags -w1
# -wd: Disable following warnings
# 144, 167, 556: -Wno-pointer-sign
# 10006: ignoring unknown option -fno-signed-zeros
# 10156: ignoring option '-W'; no argument required
check_cflags -wd144,167,556,10006,10156
# 11030: Warning unknown option --as-needed
# 10156: ignoring option '-export'; no argument required
check_ldflags -wd10156,11030
# Allow to compile with optimizations
check_ldflags -march=$cpu
# icc 11.0 and 11.1 work with ebp_available, but don't pass the test
enable ebp_available
elif enabled ccc; then
# disable some annoying warnings
add_cflags -msg_disable cvtu32to64
add_cflags -msg_disable embedcomment
add_cflags -msg_disable needconstext
add_cflags -msg_disable nomainieee
add_cflags -msg_disable ptrmismatch1
add_cflags -msg_disable unreachcode
elif enabled gcc; then
check_cflags -fno-tree-vectorize
elif enabled clang; then
check_cflags -Qunused-arguments
elif enabled armcc; then
# 2523: use of inline assembler is deprecated
add_cflags -Wrvct,--diag_suppress=2523
elif enabled tms470; then
add_cflags -pds=824 -pds=837
fi
if enabled gprof; then
add_cflags -p
add_ldflags -p
fi
# Find out if the .align argument is a power of two or not.
check_asm asmalign_pot '".align 3"'
enabled_any $DECODER_LIST && enable decoders
enabled_any $ENCODER_LIST && enable encoders
enabled_any $HWACCEL_LIST && enable hwaccels
enabled_any $BSF_LIST && enable bsfs
enabled_any $DEMUXER_LIST && enable demuxers
enabled_any $MUXER_LIST && enable muxers
enabled_any $FILTER_LIST && enable filters
enabled_any $INDEV_LIST && enable indevs
enabled_any $OUTDEV_LIST && enable outdevs
enabled_any $PROTOCOL_LIST && enable protocols
enabled_any $THREADS_LIST && enable threads
check_deps $CONFIG_LIST \
$CONFIG_EXTRA \
$HAVE_LIST \
$DECODER_LIST \
$ENCODER_LIST \
$HWACCEL_LIST \
$PARSER_LIST \
$BSF_LIST \
$DEMUXER_LIST \
$MUXER_LIST \
$FILTER_LIST \
$INDEV_LIST \
$OUTDEV_LIST \
$PROTOCOL_LIST \
enabled asm || disable $ARCH_LIST $ARCH_EXT_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}"
echo "runtime cpu detection ${runtime_cpudetect-no}"
if enabled x86; then
echo "yasm ${yasm-no}"
echo "MMX enabled ${mmx-no}"
echo "MMX2 enabled ${mmx2-no}"
echo "3DNow! enabled ${amd3dnow-no}"
echo "3DNow! extended enabled ${amd3dnowext-no}"
echo "SSE enabled ${sse-no}"
echo "SSSE3 enabled ${ssse3-no}"
echo "CMOV enabled ${cmov-no}"
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}"
echo "threading support ${thread_type-no}"
echo "SDL support ${sdl-no}"
echo "Sun medialib support ${mlib-no}"
echo "AVISynth enabled ${avisynth-no}"
echo "libdc1394 support ${libdc1394-no}"
echo "libdirac enabled ${libdirac-no}"
echo "libfaac enabled ${libfaac-no}"
echo "libfaad enabled ${libfaad-no}"
echo "libfaad dlopened ${libfaadbin-no}"
echo "libgsm enabled ${libgsm-no}"
echo "libmp3lame enabled ${libmp3lame-no}"
echo "libnut enabled ${libnut-no}"
echo "libopencore-amrnb support ${libopencore_amrnb-no}"
echo "libopencore-amrwb support ${libopencore_amrwb-no}"
echo "libopenjpeg enabled ${libopenjpeg-no}"
echo "libschroedinger enabled ${libschroedinger-no}"
echo "libspeex enabled ${libspeex-no}"
echo "libtheora enabled ${libtheora-no}"
echo "libvorbis enabled ${libvorbis-no}"
echo "libx264 enabled ${libx264-no}"
echo "libxvid enabled ${libxvid-no}"
echo "zlib enabled ${zlib-no}"
echo "bzlib enabled ${bzlib-no}"
echo
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
echo "Enabled ${type}s:"
eval list=\$$(toupper $type)_LIST
for part in $list; do
enabled $part && echo ${part%_*}
done | sort | pr -3 -t
echo
done
license="LGPL version 2.1 or later"
if enabled nonfree; then
license="nonfree and unredistributable"
elif enabled gplv3; then
license="GPL version 3 or later"
elif enabled lgplv3; then
license="LGPL version 3 or later"
elif enabled gpl; then
license="GPL version 2 or later"
fi
echo "License: $license"
echo "Creating config.mak and config.h..."
# build tree in object directory if source path is different from current one
if enabled source_path_used; then
DIRS="
doc
libavcodec
libavcodec/$arch
libavdevice
libavfilter
libavformat
libavutil
libavutil/$arch
libpostproc
libswscale
libswscale/$arch
tests
tools
"
FILES="
Makefile
common.mak
subdir.mak
doc/texi2pod.pl
libavcodec/Makefile
libavdevice/Makefile
libavfilter/Makefile
libavformat/Makefile
libavutil/Makefile
libpostproc/Makefile
libswscale/Makefile
"
for dir in $DIRS ; do
mkdir -p $dir
done
for f in $FILES ; do
$ln_s "$source_path/$f" $f
done
fi
enabled stripping || strip="echo skipping strip"
cat > config.mak <<EOF
# Automatically generated by configure - do not modify!
ifndef FFMPEG_CONFIG_MAK
FFMPEG_CONFIG_MAK=1
FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
prefix=$prefix
LIBDIR=\$(DESTDIR)$libdir
SHLIBDIR=\$(DESTDIR)$shlibdir
INCDIR=\$(DESTDIR)$incdir
BINDIR=\$(DESTDIR)$bindir
DATADIR=\$(DESTDIR)$datadir
MANDIR=\$(DESTDIR)$mandir
SRC_PATH="$source_path"
SRC_PATH_BARE=$source_path
BUILD_ROOT="$PWD"
ARCH=$arch
CC=$cc
AS=$as
LD=$ld
DEPCC=$dep_cc
YASM=$yasmexe
AR=$ar
RANLIB=$ranlib
LN_S=$ln_s
STRIP=$strip
CPPFLAGS=$CPPFLAGS
CFLAGS=$CFLAGS
ASFLAGS=$ASFLAGS
CC_O=$CC_O
LDFLAGS=$LDFLAGS
FFSERVERLDFLAGS=$FFSERVERLDFLAGS
SHFLAGS=$SHFLAGS
YASMFLAGS=$YASMFLAGS
BUILDSUF=$build_suffix
FULLNAME=$FULLNAME
LIBPREF=$LIBPREF
LIBSUF=$LIBSUF
LIBNAME=$LIBNAME
SLIBPREF=$SLIBPREF
SLIBSUF=$SLIBSUF
EXESUF=$EXESUF
EXTRA_VERSION=$extra_version
DEPFLAGS=$DEPFLAGS
CCDEP=$CCDEP
ASDEP=$ASDEP
CC_DEPFLAGS=$CC_DEPFLAGS
AS_DEPFLAGS=$AS_DEPFLAGS
HOSTCC=$host_cc
HOSTCFLAGS=$host_cflags
HOSTEXESUF=$HOSTEXESUF
HOSTLDFLAGS=$host_ldflags
HOSTLIBS=$host_libs
TARGET_EXEC=$target_exec
TARGET_PATH=$target_path
SDL_LIBS=$sdl_libs
SDL_CFLAGS=$sdl_cflags
LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
EXTRALIBS=$extralibs
EOF
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
enabled shared && cat >> config.mak <<EOF
LIBTARGET=${LIBTARGET}
SLIBNAME=${SLIBNAME}
SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
EOF
enabled asmalign_pot || align_shift="1 <<"
cat > $TMPH <<EOF
/* Automatically generated by configure - do not modify! */
#ifndef FFMPEG_CONFIG_H
#define FFMPEG_CONFIG_H
#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
#define FFMPEG_LICENSE "$(c_escape $license)"
#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
#define CC_TYPE "$cc_type"
#define CC_VERSION $cc_version
#define restrict $_restrict
#define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
#define EXTERN_PREFIX "${extern_prefix}"
#define EXTERN_ASM ${extern_prefix}
EOF
test -n "$malloc_prefix" &&
echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
if enabled small || disabled optimizations; then
echo "#define av_always_inline" >> $TMPH
fi
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 "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
cp_if_changed $TMPH config.h
cat > $TMPH <<EOF
/* Generated by ffconf */
#ifndef AVUTIL_AVCONFIG_H
#define AVUTIL_AVCONFIG_H
EOF
print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
cp_if_changed $TMPH libavutil/avconfig.h
# 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: $(enabled shared || echo $requires)
Requires.private: $(enabled shared && echo $requires)
Conflicts:
Libs: -L\${libdir} -l${shortname} $(enabled 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"
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