3 # FFmpeg configure script
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
10 # Prevent locale nonsense from breaking basic text processing.
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
23 (: ${foo%%bar}) 2> /dev/null
26 (: ${foo?}) 2> /dev/null
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
32 if test "0$FF_CONF_EXEC" -lt 1; then
34 try_exec bash "$0" "$@"
36 if test "0$FF_CONF_EXEC" -lt 2; then
38 try_exec ksh "$0" "$@"
40 if test "0$FF_CONF_EXEC" -lt 3; then
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --fatal-warnings fail if any configure warning is generated
82 --prefix=PREFIX install in PREFIX [$prefix]
83 --bindir=DIR install binaries in DIR [PREFIX/bin]
84 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
85 --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg]
86 --libdir=DIR install libs in DIR [PREFIX/lib]
87 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
88 --incdir=DIR install includes in DIR [PREFIX/include]
89 --mandir=DIR install man page in DIR [PREFIX/share/man]
90 --enable-rpath use rpath to allow installing libraries in paths
91 not part of the dynamic linker search path
94 --enable-gpl allow use of GPL code, the resulting libs
95 and binaries will be under GPL [no]
96 --enable-version3 upgrade (L)GPL to version 3 [no]
97 --enable-nonfree allow use of nonfree code, the resulting libs
98 and binaries will be unredistributable [no]
100 Configuration options:
101 --disable-static do not build static libraries [no]
102 --enable-shared build shared libraries [no]
103 --enable-small optimize for size instead of speed
104 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
105 --enable-gray enable full grayscale support (slower color)
106 --disable-swscale-alpha disable alpha channel support in swscale
107 --disable-all disable building components, libraries and programs
108 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
109 --enable-incompatible-fork-abi enable incompatible Libav fork ABI (deprecated) [no]
112 --disable-programs do not build command line programs
113 --disable-ffmpeg disable ffmpeg build
114 --disable-ffplay disable ffplay build
115 --disable-ffprobe disable ffprobe build
116 --disable-ffserver disable ffserver build
118 Documentation options:
119 --disable-doc do not build documentation
120 --disable-htmlpages do not build HTML documentation pages
121 --disable-manpages do not build man documentation pages
122 --disable-podpages do not build POD documentation pages
123 --disable-txtpages do not build text documentation pages
126 --disable-avdevice disable libavdevice build
127 --disable-avcodec disable libavcodec build
128 --disable-avformat disable libavformat build
129 --disable-avutil disable libavutil build
130 --disable-swresample disable libswresample build
131 --disable-swscale disable libswscale build
132 --disable-postproc disable libpostproc build
133 --disable-avfilter disable libavfilter build
134 --enable-avresample enable libavresample build [no]
135 --disable-pthreads disable pthreads [auto]
136 --disable-w32threads disable Win32 threads [auto]
137 --disable-os2threads disable OS/2 threads [auto]
138 --disable-network disable network support [no]
139 --disable-dct disable DCT code
140 --disable-dwt disable DWT code
141 --disable-error-resilience disable error resilience code
142 --disable-lsp disable LSP code
143 --disable-lzo disable LZO decoder code
144 --disable-mdct disable MDCT code
145 --disable-rdft disable RDFT code
146 --disable-fft disable FFT code
148 Hardware accelerators:
149 --disable-dxva2 disable DXVA2 code [autodetect]
150 --disable-vaapi disable VAAPI code [autodetect]
151 --enable-vda enable VDA code
152 --disable-vdpau disable VDPAU code [autodetect]
154 Individual component options:
155 --disable-everything disable all components listed below
156 --disable-encoder=NAME disable encoder NAME
157 --enable-encoder=NAME enable encoder NAME
158 --disable-encoders disable all encoders
159 --disable-decoder=NAME disable decoder NAME
160 --enable-decoder=NAME enable decoder NAME
161 --disable-decoders disable all decoders
162 --disable-hwaccel=NAME disable hwaccel NAME
163 --enable-hwaccel=NAME enable hwaccel NAME
164 --disable-hwaccels disable all hwaccels
165 --disable-muxer=NAME disable muxer NAME
166 --enable-muxer=NAME enable muxer NAME
167 --disable-muxers disable all muxers
168 --disable-demuxer=NAME disable demuxer NAME
169 --enable-demuxer=NAME enable demuxer NAME
170 --disable-demuxers disable all demuxers
171 --enable-parser=NAME enable parser NAME
172 --disable-parser=NAME disable parser NAME
173 --disable-parsers disable all parsers
174 --enable-bsf=NAME enable bitstream filter NAME
175 --disable-bsf=NAME disable bitstream filter NAME
176 --disable-bsfs disable all bitstream filters
177 --enable-protocol=NAME enable protocol NAME
178 --disable-protocol=NAME disable protocol NAME
179 --disable-protocols disable all protocols
180 --enable-indev=NAME enable input device NAME
181 --disable-indev=NAME disable input device NAME
182 --disable-indevs disable input devices
183 --enable-outdev=NAME enable output device NAME
184 --disable-outdev=NAME disable output device NAME
185 --disable-outdevs disable output devices
186 --disable-devices disable all devices
187 --enable-filter=NAME enable filter NAME
188 --disable-filter=NAME disable filter NAME
189 --disable-filters disable all filters
191 External library support:
192 --enable-avisynth enable reading of AviSynth script files [no]
193 --disable-bzlib disable bzlib [autodetect]
194 --enable-fontconfig enable fontconfig
195 --enable-frei0r enable frei0r video filtering
196 --enable-gnutls enable gnutls [no]
197 --disable-iconv disable iconv [autodetect]
198 --enable-ladspa enable LADSPA audio filtering
199 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
200 --enable-libass enable libass subtitles rendering [no]
201 --enable-libbluray enable BluRay reading using libbluray [no]
202 --enable-libcaca enable textual display using libcaca
203 --enable-libcelt enable CELT decoding via libcelt [no]
204 --enable-libcdio enable audio CD grabbing with libcdio
205 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
207 --enable-libfaac enable AAC encoding via libfaac [no]
208 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
209 --enable-libflite enable flite (voice synthesis) support via libflite [no]
210 --enable-libfreetype enable libfreetype [no]
211 --enable-libgme enable Game Music Emu via libgme [no]
212 --enable-libgsm enable GSM de/encoding via libgsm [no]
213 --enable-libiec61883 enable iec61883 via libiec61883 [no]
214 --enable-libilbc enable iLBC de/encoding via libilbc [no]
215 --enable-libmodplug enable ModPlug via libmodplug [no]
216 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
217 --enable-libnut enable NUT (de)muxing via libnut,
218 native (de)muxer exists [no]
219 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
220 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
221 --enable-libopencv enable video filtering via libopencv [no]
222 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
223 --enable-libopus enable Opus decoding via libopus [no]
224 --enable-libpulse enable Pulseaudio input via libpulse [no]
225 --enable-libquvi enable quvi input via libquvi [no]
226 --enable-librtmp enable RTMP[E] support via librtmp [no]
227 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
228 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
229 --enable-libsoxr enable Include libsoxr resampling [no]
230 --enable-libspeex enable Speex de/encoding via libspeex [no]
231 --enable-libssh enable SFTP protocol via libssh [no]
232 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
233 --enable-libtheora enable Theora encoding via libtheora [no]
234 --enable-libtwolame enable MP2 encoding via libtwolame [no]
235 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
236 --enable-libv4l2 enable libv4l2/v4l-utils [no]
237 --enable-libvidstab enable video stabilization using vid.stab [no]
238 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
239 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
240 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
241 native implementation exists [no]
242 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
243 --enable-libwavpack enable wavpack encoding via libwavpack [no]
244 --enable-libx264 enable H.264 encoding via x264 [no]
245 --enable-libxavs enable AVS encoding via xavs [no]
246 --enable-libxvid enable Xvid encoding via xvidcore,
247 native MPEG-4/Xvid encoder exists [no]
248 --enable-libzmq enable message passing via libzmq [no]
249 --enable-libzvbi enable teletext support via libzvbi [no]
250 --enable-openal enable OpenAL 1.1 capture support [no]
251 --enable-opencl enable OpenCL code
252 --enable-openssl enable openssl [no]
253 --enable-x11grab enable X11 grabbing [no]
254 --disable-zlib disable zlib [autodetect]
256 Advanced options (experts only):
257 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
258 --enable-cross-compile assume a cross-compiler is used
259 --sysroot=PATH root of cross-build tree
260 --sysinclude=PATH location of cross-build system headers
261 --target-os=OS compiler targets OS [$target_os]
262 --target-exec=CMD command to run executables on target
263 --target-path=DIR path to view of build directory on target
264 --target-samples=DIR path to samples directory on target
265 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
266 --toolchain=NAME set tool defaults according to NAME
267 --nm=NM use nm tool NM [$nm_default]
268 --ar=AR use archive tool AR [$ar_default]
269 --as=AS use assembler AS [$as_default]
270 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
271 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
272 --cc=CC use C compiler CC [$cc_default]
273 --cxx=CXX use C compiler CXX [$cxx_default]
274 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
275 --ld=LD use linker LD [$ld_default]
276 --host-cc=HOSTCC use host C compiler HOSTCC
277 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
278 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
279 --host-ld=HOSTLD use host linker HOSTLD
280 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
281 --host-libs=HLIBS use libs HLIBS when linking for host
282 --host-os=OS compiler host OS [$target_os]
283 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
284 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
285 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
286 --extra-libs=ELIBS add ELIBS [$ELIBS]
287 --extra-version=STRING version string suffix []
288 --optflags=OPTFLAGS override optimization-related compiler flags
289 --build-suffix=SUFFIX library name suffix []
290 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
291 --progs-suffix=SUFFIX program name suffix []
292 --arch=ARCH select architecture [$arch]
293 --cpu=CPU select the minimum required CPU (affects
294 instruction selection, may crash on older CPUs)
295 --enable-pic build position-independent code
296 --enable-sram allow use of on-chip SRAM
297 --enable-thumb compile for Thumb instruction set
298 --disable-symver disable symbol versioning
299 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
300 --disable-safe-bitstream-reader
301 disable buffer boundary checking in bitreaders
302 (faster, but may crash)
303 --enable-memalign-hack emulate memalign, interferes with memory debuggers
304 --enable-lto use link-time optimization
306 Optimization options (experts only):
307 --disable-asm disable all assembler optimizations
308 --disable-altivec disable AltiVec optimizations
309 --disable-amd3dnow disable 3DNow! optimizations
310 --disable-amd3dnowext disable 3DNow! extended optimizations
311 --disable-mmx disable MMX optimizations
312 --disable-mmxext disable MMXEXT optimizations
313 --disable-sse disable SSE optimizations
314 --disable-sse2 disable SSE2 optimizations
315 --disable-sse3 disable SSE3 optimizations
316 --disable-ssse3 disable SSSE3 optimizations
317 --disable-sse4 disable SSE4 optimizations
318 --disable-sse42 disable SSE4.2 optimizations
319 --disable-avx disable AVX optimizations
320 --disable-fma4 disable FMA4 optimizations
321 --disable-avx2 disable AVX2 optimizations
322 --disable-armv5te disable armv5te optimizations
323 --disable-armv6 disable armv6 optimizations
324 --disable-armv6t2 disable armv6t2 optimizations
325 --disable-vfp disable VFP optimizations
326 --disable-neon disable NEON optimizations
327 --disable-vis disable VIS optimizations
328 --disable-inline-asm disable use of inline assembler
329 --disable-yasm disable use of yasm assembler
330 --disable-mips32r2 disable MIPS32R2 optimizations
331 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
332 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
333 --disable-mipsfpu disable floating point MIPS optimizations
334 --disable-fast-unaligned consider unaligned accesses slow
336 Developer options (useful when working on FFmpeg itself):
337 --disable-debug disable debugging symbols
338 --enable-debug=LEVEL set the debug level [$debuglevel]
339 --disable-optimizations disable compiler optimizations
340 --enable-extra-warnings enable more compiler warnings
341 --disable-stripping disable stripping of executables and shared libraries
342 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
343 2 causes a slowdown at runtime.
344 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
345 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
346 leaks and errors, using the specified valgrind binary.
347 Cannot be combined with --target-exec
348 --enable-ftrapv Trap arithmetic overflows
349 --samples=PATH location of test samples for FATE, if not set use
350 \$FATE_SAMPLES at make invocation time.
351 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
352 should be used only for debugging purposes)
353 --enable-random randomly enable/disable components
355 --enable-random=LIST randomly enable/disable specific components or
356 --disable-random=LIST component groups. LIST is a comma-separated list
357 of NAME[:PROB] entries where NAME is a component
358 (group) and PROB the probability associated with
360 --random-seed=VALUE seed value for --enable/disable-random
362 NOTE: Object files are built at the place where configure is launched.
370 echo "$@" >> $logfile
375 pr -n -t $1 >> $logfile
386 WARNINGS="${WARNINGS}WARNING: $*\n"
393 If you think configure made a mistake, make sure you are using the latest
394 version from Git. If the latest version fails, report the problem to the
395 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
397 if disabled logging; then
399 Rerun configure with logging enabled (do not use --disable-logging), and
400 include the log this produces with your report.
404 Include the log file "$logfile" produced by configure as this will help
411 # Avoid locale weirdness, besides we really just want to translate ASCII.
413 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
417 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
421 echo "$*" | sed 's/["\\]/\\\0/g'
425 v=$(echo "$1" | sed "s/'/'\\\\''/g")
426 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
431 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\r//g'
438 eval "case $v in $pat) echo $v ;; esac"
446 eval "case $v in $pat) ;; *) echo $v ;; esac"
453 for v; do eval $m; done
459 for v; do echo ${v}${suffix}; done
474 eval : \${$var:=$value}
479 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
485 eval $(sanitize_var_name "$var")='$*'
489 eval echo \$$(sanitize_var_name "$1")
494 eval level=\${${pvar}_level:=0}
495 eval ${pvar}_${level}="\$$pvar"
496 eval ${pvar}_level=$(($level+1))
502 eval level=\${${pvar}_level:-0}
503 test $level = 0 && continue
504 eval level=$(($level-1))
505 eval $pvar="\${${pvar}_${level}}"
506 eval ${pvar}_level=$level
507 eval unset ${pvar}_${level}
529 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
535 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
541 enabled $var && continue
542 eval sel="\$${var}_select"
543 eval sgs="\$${var}_suggest"
547 enable_deep_weak $sgs
559 disabled $var && continue
568 test "${1#!}" = "$1" && op== || op=!=
569 eval test "x\$${1#!}" $op "xyes"
573 test "${1#!}" = "$1" && op== || op=!=
574 eval test "x\$${1#!}" $op "xno"
579 enabled $opt || return 1
585 disabled $opt || return 1
591 enabled $opt && return 0
597 disabled $opt && return 0
604 eval : \${$opt:=\$${opt}_default}
612 [ $var = $value ] && return 0
620 enabled ${cfg}_checking && die "Circular dependency for $cfg."
621 disabled ${cfg}_checking && continue
622 enable ${cfg}_checking
625 eval dep_all="\$${cfg}_deps"
626 eval dep_any="\$${cfg}_deps_any"
627 eval dep_sel="\$${cfg}_select"
628 eval dep_sgs="\$${cfg}_suggest"
629 eval dep_ifa="\$${cfg}_if"
630 eval dep_ifn="\$${cfg}_if_any"
632 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
633 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
634 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
636 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
637 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
638 enabled_all $dep_all || disable $cfg
639 enabled_any $dep_any || disable $cfg
640 disabled_any $dep_sel && disable $cfg
642 if enabled $cfg; then
644 enable_deep_weak $dep_sgs
647 disable ${cfg}_checking
656 for cfg in $allopts; do
657 enabled $cfg || continue
658 eval dep_extralibs="\$${cfg}_extralibs"
659 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
667 map 'eval echo "$v \${$v:-no}"' "$@" |
668 awk "BEGIN { split(\"$files\", files) }
670 c = \"$pfx\" toupper(\$1);
676 if (file ~ /\\.h\$/) {
677 printf(\"#define %s %d\\n\", c, v) >>file;
678 } else if (file ~ /\\.asm\$/) {
679 printf(\"%%define %s %d\\n\", c, v) >>file;
680 } else if (file ~ /\\.mak\$/) {
681 n = -v ? \"\" : \"!\";
682 printf(\"%s%s=yes\\n\", n, c) >>file;
683 } else if (file ~ /\\.texi\$/) {
684 pre = -v ? \"\" : \"@c \";
687 gsub(/_/, \"-\", c2);
688 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
698 enabled $v && printf "%s\n" ${v%$suf};
705 eval "$var=\"\$$var $*\""
711 eval "$var=\"$* \$$var\""
719 append CFLAGS $($cflags_filter "$@")
723 append CXXFLAGS $($cflags_filter "$@")
727 append ASFLAGS $($asflags_filter "$@")
731 append LDFLAGS $($ldflags_filter "$@")
735 append ASMSTRIPFLAGS "$@"
739 prepend extralibs $($ldflags_filter "$@")
743 append host_cppflags "$@"
747 append host_cflags $($host_cflags_filter "$@")
751 append host_ldflags $($host_ldflags_filter "$@")
755 append compat_objs $1
757 map 'add_cppflags -D$v' "$@"
762 "$@" >> $logfile 2>&1
766 eval printf '%s\\n' $CC_O
770 eval printf '%s\\n' $CC_E
777 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
784 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
791 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
795 eval printf '%s\\n' $AS_O
802 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
806 log check_inline_asm "$@"
811 check_cc "$@" <<EOF && enable $name
812 void foo(void){ __asm__ volatile($code); }
818 check_inline_asm ${1}_inline "\"$2\""
819 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
827 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
831 eval printf '%s\\n' $LD_O
838 flags=$(filter_out '-l*|*.so' $@)
839 libs=$(filter '-l*|*.so' $@)
840 check_$type $($cflags_filter $flags) || return
841 flags=$($ldflags_filter $flags)
842 libs=$($ldflags_filter $libs)
843 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
853 for hdr in $headers; do
854 echo "#include <$hdr>"
856 echo "int main(void) { $code; return 0; }"
857 } | check_$check "$@"
861 log check_cppflags "$@"
862 check_cc "$@" <<EOF && append CPPFLAGS "$@"
869 set -- $($cflags_filter "$@")
876 log check_cflags "$@"
877 test_cflags "$@" && add_cflags "$@"
881 log check_cxxflags "$@"
882 set -- $($cflags_filter "$@")
883 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
889 log test_ldflags "$@"
890 check_ld "cc" "$@" <<EOF
891 int main(void){ return 0; }
896 log check_ldflags "$@"
897 test_ldflags "$@" && add_ldflags "$@"
901 log test_stripflags "$@"
902 # call check_cc to get a fresh TMPO
904 int main(void) { return 0; }
906 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
910 log check_stripflags "$@"
911 test_stripflags "$@" && add_stripflags "$@"
915 log check_header "$@"
919 check_cpp "$@" <<EOF && enable_safe $header
930 check_ld "cc" "$@" <<EOF && enable $func
932 int main(void){ $func(); }
937 log check_mathfunc "$@"
941 test $narg = 2 && args="f, g" || args="f"
943 check_ld "cc" "$@" <<EOF && enable $func
945 float foo(float f, float g) { return $func($args); }
946 int main(void){ return (int) foo; }
950 check_func_headers(){
951 log check_func_headers "$@"
956 for hdr in $headers; do
957 echo "#include <$hdr>"
959 for func in $funcs; do
960 echo "long check_$func(void) { return (long) $func; }"
962 echo "int main(void) { return 0; }"
963 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
966 check_class_headers_cpp(){
967 log check_class_headers_cpp "$@"
972 for hdr in $headers; do
973 echo "#include <$hdr>"
975 echo "int main(void) { "
977 for class in $classes; do
982 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
985 check_cpp_condition(){
986 log check_cpp_condition "$@"
993 #error "unsatisfied condition: $condition"
1003 check_header $header && check_func $func "$@" && add_extralibs "$@"
1011 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1015 log check_lib_cpp "$@"
1019 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1023 log check_pkg_config "$@"
1028 check_cmd $pkg_config --exists --print-errors $pkg || return
1029 pkg_cflags=$($pkg_config --cflags $pkg)
1030 pkg_libs=$($pkg_config --libs $pkg)
1031 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1032 set_safe ${pkg}_cflags $pkg_cflags &&
1033 set_safe ${pkg}_libs $pkg_libs
1037 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1043 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1044 # are safe but may not be available everywhere. Thus we use
1045 # raise(SIGTERM) instead. The check is run in a subshell so we
1046 # can redirect the "Terminated" message from the shell. SIGBUS
1047 # is not defined by standard C so it is used conditionally.
1049 (check_exec "$@") >> $logfile 2>&1 <<EOF
1051 static void sighandler(int sig){
1057 int (*func_ptr)(void) = foo;
1059 signal(SIGILL, sighandler);
1060 signal(SIGFPE, sighandler);
1061 signal(SIGSEGV, sighandler);
1063 signal(SIGBUS, sighandler);
1075 disable_safe "$type"
1076 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1080 log check_struct "$@"
1085 disable_safe "${struct}_${member}"
1086 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1087 enable_safe "${struct}_${member}"
1091 log check_builtin "$@"
1097 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1105 check_lib $header $func "$@" || die "ERROR: $name not found"
1113 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1121 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1124 require_pkg_config(){
1126 check_pkg_config "$@" || die "ERROR: $pkg not found"
1127 add_cflags $(get_safe ${pkg}_cflags)
1128 add_extralibs $(get_safe ${pkg}_libs)
1131 require_libfreetype(){
1132 log require_libfreetype "$@"
1134 check_cmd $pkg_config --exists --print-errors $pkg \
1135 || die "ERROR: $pkg not found"
1136 pkg_cflags=$($pkg_config --cflags $pkg)
1137 pkg_libs=$($pkg_config --libs $pkg)
1139 echo "#include <ft2build.h>"
1140 echo "#include FT_FREETYPE_H"
1141 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1142 echo "int main(void) { return 0; }"
1143 } | check_ld "cc" $pkg_cflags $pkg_libs \
1144 && set_safe ${pkg}_cflags $pkg_cflags \
1145 && set_safe ${pkg}_libs $pkg_libs \
1146 || die "ERROR: $pkg not found"
1147 add_cflags $(get_safe ${pkg}_cflags)
1148 add_extralibs $(get_safe ${pkg}_libs)
1152 eval printf '%s\\n' $HOSTCC_E
1156 eval printf '%s\\n' $HOSTCC_O
1160 log check_host_cc "$@"
1163 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1167 log check_host_cpp "$@"
1170 check_cmd $host_cc $HOSTCPPFLAGS $HOSTCFLAGS "$@" $(hostcc_e $TMPO) $TMPC
1173 check_host_cppflags(){
1174 log check_host_cppflags "$@"
1175 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1180 check_host_cflags(){
1181 log check_host_cflags "$@"
1182 set -- $($host_cflags_filter "$@")
1183 check_host_cc "$@" <<EOF && append host_cflags "$@"
1188 check_host_cpp_condition(){
1189 log check_host_cpp_condition "$@"
1193 check_host_cpp "$@" <<EOF
1196 #error "unsatisfied condition: $condition"
1204 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1208 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1209 mkdir -p "$(dirname $2)"
1213 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1214 # system-dependent things.
1231 decoding_encoding_example
1232 demuxing_decoding_example
1233 filtering_audio_example
1234 filtering_video_example
1237 resampling_audio_example
1238 scaling_video_example
1239 transcode_aac_example
1242 EXTERNAL_LIBRARY_LIST="
1343 $EXTERNAL_LIBRARY_LIST
1356 incompatible_libav_abi
1357 incompatible_fork_abi
1368 safe_bitstream_reader
1465 incompatible_libav_abi
1466 incompatible_fork_abi
1499 $(add_suffix _external $ARCH_EXT_LIST)
1500 $(add_suffix _inline $ARCH_EXT_LIST)
1520 cdio_paranoia_paranoia_h
1528 dev_bktr_ioctl_bt848_h
1529 dev_bktr_ioctl_meteor_h
1531 dev_video_bktr_ioctl_bt848_h
1532 dev_video_meteor_ioctl_meteor_h
1548 GetProcessAffinityMask
1549 GetProcessMemoryInfo
1551 GetSystemTimeAsFileTime
1564 jack_port_get_latency_range
1575 machine_ioctl_bt848_h
1576 machine_ioctl_meteor_h
1588 openjpeg_1_5_openjpeg_h
1601 SetConsoleTextAttribute
1610 struct_group_source_req
1611 struct_ip_mreq_source
1614 struct_rusage_ru_maxrss
1615 struct_sctp_event_subscribe
1617 struct_sockaddr_sa_len
1618 struct_sockaddr_storage
1619 struct_stat_st_mtim_tv_nsec
1620 struct_v4l2_frmivalenum_discrete
1623 sync_val_compare_and_swap
1649 # options emitted with CONFIG_ prefix but not available on the command line
1656 frame_thread_encoder
1759 # code dependency declarations
1761 # architecture extensions
1770 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1773 mips32r2_deps="mips"
1774 mipsdspr1_deps="mips"
1775 mipsdspr2_deps="mips"
1783 x86_64_select="i686"
1784 x86_64_suggest="fast_cmov"
1787 amd3dnowext_deps="amd3dnow"
1800 mmx_external_deps="yasm"
1801 mmx_inline_deps="inline_asm"
1802 mmx_suggest="mmx_external mmx_inline"
1804 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1805 eval dep=\$${ext}_deps
1806 eval ${ext}_external_deps='"${dep}_external"'
1807 eval ${ext}_inline_deps='"${dep}_inline"'
1808 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1811 aligned_stack_if_any="ppc x86"
1812 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1813 fast_clz_if_any="alpha avr32 mips ppc x86"
1814 fast_unaligned_if_any="ppc x86"
1816 need_memalign="altivec neon sse"
1818 # system capabilities
1819 log2_deps="!libc_msvcrt"
1821 symver_if_any="symver_asm_label symver_gnu_asm"
1825 error_resilience_select="dsputil"
1826 frame_thread_encoder_deps="encoders threads"
1827 lpc_select="dsputil"
1830 mpegaudio_select="mpegaudiodsp"
1831 mpegaudiodsp_select="dct"
1832 mpegvideo_select="dsputil h264chroma hpeldsp videodsp"
1833 mpegvideoenc_select="mpegvideo"
1835 # decoders / encoders
1836 aac_decoder_select="mdct sinewin"
1837 aac_encoder_select="audio_frame_queue mdct sinewin"
1838 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1839 ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1840 ac3_encoder_select="mdct ac3dsp dsputil"
1841 ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1842 aic_decoder_select="dsputil golomb"
1843 alac_encoder_select="lpc"
1844 als_decoder_select="dsputil"
1845 amrnb_decoder_select="lsp"
1846 amrwb_decoder_select="lsp"
1847 amv_decoder_select="dsputil hpeldsp exif"
1848 amv_encoder_select="aandcttables"
1849 ape_decoder_select="dsputil"
1850 asv1_decoder_select="dsputil"
1851 asv1_encoder_select="dsputil"
1852 asv2_decoder_select="dsputil"
1853 asv2_encoder_select="dsputil"
1854 atrac1_decoder_select="mdct sinewin"
1855 atrac3_decoder_select="mdct"
1856 avrn_decoder_select="exif"
1857 bink_decoder_select="dsputil hpeldsp"
1858 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1859 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1860 cavs_decoder_select="dsputil golomb h264chroma videodsp"
1861 cllc_decoder_select="dsputil"
1862 comfortnoise_encoder_select="lpc"
1863 cook_decoder_select="dsputil mdct sinewin"
1864 cscd_decoder_select="lzo"
1865 cscd_decoder_suggest="zlib"
1866 dca_decoder_select="mdct"
1867 dirac_decoder_select="dsputil dwt golomb videodsp"
1868 dnxhd_decoder_select="dsputil"
1869 dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1870 dvvideo_decoder_select="dsputil"
1871 dvvideo_encoder_select="dsputil"
1872 dxa_decoder_select="zlib"
1873 eac3_decoder_select="ac3_decoder"
1874 eac3_encoder_select="ac3_encoder"
1875 eamad_decoder_select="aandcttables dsputil mpegvideo"
1876 eatgq_decoder_select="aandcttables"
1877 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1878 exr_decoder_select="zlib"
1879 ffv1_decoder_select="dsputil golomb rangecoder"
1880 ffv1_encoder_select="dsputil rangecoder"
1881 ffvhuff_decoder_select="dsputil"
1882 ffvhuff_encoder_select="dsputil huffman"
1883 flac_decoder_select="golomb"
1884 flac_encoder_select="dsputil golomb lpc"
1885 flashsv_decoder_select="zlib"
1886 flashsv_encoder_select="zlib"
1887 flashsv2_encoder_select="zlib"
1888 flashsv2_decoder_select="zlib"
1889 flv_decoder_select="h263_decoder"
1890 flv_encoder_select="h263_encoder"
1891 fourxm_decoder_select="dsputil"
1892 fraps_decoder_select="dsputil huffman"
1893 g2m_decoder_select="dsputil zlib"
1894 g729_decoder_select="dsputil"
1895 h261_decoder_select="error_resilience mpegvideo"
1896 h261_encoder_select="aandcttables mpegvideoenc"
1897 h263_decoder_select="error_resilience h263_parser h263dsp mpegvideo"
1898 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1899 h263i_decoder_select="h263_decoder"
1900 h263p_encoder_select="h263_encoder"
1901 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1902 h264_decoder_suggest="error_resilience"
1903 hevc_decoder_select="dsputil golomb videodsp"
1904 huffyuv_decoder_select="dsputil"
1905 huffyuv_encoder_select="dsputil huffman"
1906 iac_decoder_select="dsputil fft mdct sinewin"
1907 imc_decoder_select="dsputil fft mdct sinewin"
1908 indeo3_decoder_select="hpeldsp"
1909 interplay_video_decoder_select="hpeldsp"
1910 jpegls_decoder_select="dsputil golomb hpeldsp exif"
1911 jpegls_encoder_select="golomb"
1912 jv_decoder_select="dsputil"
1913 lagarith_decoder_select="dsputil"
1914 ljpeg_encoder_select="aandcttables mpegvideoenc"
1915 loco_decoder_select="golomb"
1916 mdec_decoder_select="dsputil error_resilience mpegvideo"
1917 metasound_decoder_select="lsp mdct sinewin"
1918 mimic_decoder_select="dsputil hpeldsp"
1919 mjpeg_decoder_select="dsputil hpeldsp exif"
1920 mjpegb_decoder_select="dsputil hpeldsp exif"
1921 mjpeg_encoder_select="aandcttables dsputil mpegvideoenc"
1922 mlp_decoder_select="dsputil mlp_parser"
1923 motionpixels_decoder_select="dsputil"
1924 mp1_decoder_select="mpegaudio"
1925 mp1float_decoder_select="mpegaudio"
1926 mp2_decoder_select="mpegaudio"
1927 mp2float_decoder_select="mpegaudio"
1928 mp3_decoder_select="mpegaudio"
1929 mp3adu_decoder_select="mpegaudio"
1930 mp3adufloat_decoder_select="mpegaudio"
1931 mp3float_decoder_select="mpegaudio"
1932 mp3on4_decoder_select="mpegaudio"
1933 mp3on4float_decoder_select="mpegaudio"
1934 mpc7_decoder_select="dsputil mpegaudiodsp"
1935 mpc8_decoder_select="dsputil mpegaudiodsp"
1936 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1937 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1938 mpeg1video_decoder_select="error_resilience mpegvideo"
1939 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1940 mpeg2video_decoder_select="error_resilience mpegvideo"
1941 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1942 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1943 mpeg4_encoder_select="h263_encoder"
1944 msmpeg4v1_decoder_select="h263_decoder"
1945 msmpeg4v2_decoder_select="h263_decoder"
1946 msmpeg4v2_encoder_select="h263_encoder"
1947 msmpeg4v3_decoder_select="h263_decoder"
1948 msmpeg4v3_encoder_select="h263_encoder"
1949 mss2_decoder_select="error_resilience vc1_decoder"
1950 mxpeg_decoder_select="dsputil hpeldsp exif"
1951 nellymoser_decoder_select="mdct sinewin"
1952 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1953 nuv_decoder_select="dsputil lzo"
1954 png_decoder_select="zlib"
1955 png_encoder_select="dsputil zlib"
1956 prores_decoder_select="dsputil"
1957 prores_encoder_select="dsputil"
1958 qcelp_decoder_select="lsp"
1959 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1960 ra_144_encoder_select="audio_frame_queue lpc"
1961 ralf_decoder_select="golomb"
1962 rtjpeg_decoder_select="dsputil"
1963 rv10_decoder_select="error_resilience h263_decoder h263dsp"
1964 rv10_encoder_select="h263_encoder"
1965 rv20_decoder_select="error_resilience h263_decoder h263dsp"
1966 rv20_encoder_select="h263_encoder"
1967 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1968 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1969 shorten_decoder_select="golomb"
1970 sipr_decoder_select="lsp"
1971 snow_decoder_select="dsputil dwt h264qpel hpeldsp rangecoder"
1972 snow_encoder_select="aandcttables dsputil dwt h264qpel hpeldsp mpegvideoenc rangecoder"
1973 sonic_decoder_select="golomb"
1974 sonic_encoder_select="golomb"
1975 sonic_ls_encoder_select="golomb"
1976 sp5x_decoder_select="dsputil hpeldsp exif"
1977 svq1_decoder_select="hpeldsp"
1978 svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
1979 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel hpeldsp mpegvideo videodsp"
1980 svq3_decoder_suggest="error_resilience zlib"
1981 tak_decoder_select="dsputil"
1982 theora_decoder_select="vp3_decoder"
1983 tiff_decoder_suggest="zlib"
1984 tiff_encoder_suggest="zlib"
1985 thp_decoder_select="dsputil hpeldsp exif"
1986 truehd_decoder_select="mlp_parser"
1987 truemotion2_decoder_select="dsputil"
1988 truespeech_decoder_select="dsputil"
1989 tscc_decoder_select="zlib"
1990 twinvq_decoder_select="mdct lsp sinewin"
1991 utvideo_decoder_select="dsputil"
1992 utvideo_encoder_select="dsputil huffman"
1993 vble_decoder_select="dsputil"
1994 vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel"
1995 vc1image_decoder_select="vc1_decoder"
1996 vorbis_decoder_select="mdct"
1997 vorbis_encoder_select="mdct"
1998 vp3_decoder_select="hpeldsp vp3dsp videodsp"
1999 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
2000 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
2001 vp6a_decoder_select="vp6_decoder"
2002 vp6f_decoder_select="vp6_decoder"
2003 vp8_decoder_select="h264pred videodsp"
2004 vp9_decoder_select="videodsp"
2005 webp_decoder_select="vp8_decoder"
2006 wmapro_decoder_select="mdct sinewin"
2007 wmav1_decoder_select="mdct sinewin"
2008 wmav1_encoder_select="mdct sinewin"
2009 wmav2_decoder_select="mdct sinewin"
2010 wmav2_encoder_select="mdct sinewin"
2011 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2012 wmv1_decoder_select="h263_decoder"
2013 wmv1_encoder_select="h263_encoder"
2014 wmv2_decoder_select="h263_decoder videodsp"
2015 wmv2_encoder_select="h263_encoder"
2016 wmv3_decoder_select="vc1_decoder"
2017 wmv3image_decoder_select="wmv3_decoder"
2018 zerocodec_decoder_select="zlib"
2019 zlib_decoder_select="zlib"
2020 zlib_encoder_select="zlib"
2021 zmbv_decoder_select="zlib"
2022 zmbv_encoder_select="zlib"
2024 # hardware accelerators
2025 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2026 dxva2_deps="dxva2api_h"
2027 vaapi_deps="va_va_h"
2028 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2029 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2030 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2032 h263_vaapi_hwaccel_deps="vaapi"
2033 h263_vaapi_hwaccel_select="h263_decoder"
2034 h263_vdpau_hwaccel_deps="vdpau"
2035 h263_vdpau_hwaccel_select="h263_decoder"
2036 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2037 h264_dxva2_hwaccel_deps="dxva2"
2038 h264_dxva2_hwaccel_select="h264_decoder"
2039 h264_vaapi_hwaccel_deps="vaapi"
2040 h264_vaapi_hwaccel_select="h264_decoder"
2041 h264_vda_decoder_deps="vda"
2042 h264_vda_decoder_select="h264_decoder"
2043 h264_vda_hwaccel_deps="vda"
2044 h264_vda_hwaccel_select="h264_decoder"
2045 h264_vdpau_decoder_deps="vdpau"
2046 h264_vdpau_decoder_select="h264_decoder"
2047 h264_vdpau_hwaccel_deps="vdpau"
2048 h264_vdpau_hwaccel_select="h264_decoder"
2049 mpeg_vdpau_decoder_deps="vdpau"
2050 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2051 mpeg1_vdpau_decoder_deps="vdpau"
2052 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2053 mpeg1_vdpau_hwaccel_deps="vdpau"
2054 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2055 mpeg2_crystalhd_decoder_select="crystalhd"
2056 mpeg2_dxva2_hwaccel_deps="dxva2"
2057 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2058 mpeg2_vaapi_hwaccel_deps="vaapi"
2059 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2060 mpeg2_vdpau_hwaccel_deps="vdpau"
2061 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2062 mpeg4_crystalhd_decoder_select="crystalhd"
2063 mpeg4_vaapi_hwaccel_deps="vaapi"
2064 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2065 mpeg4_vdpau_decoder_deps="vdpau"
2066 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2067 mpeg4_vdpau_hwaccel_deps="vdpau"
2068 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2069 msmpeg4_crystalhd_decoder_select="crystalhd"
2070 vc1_crystalhd_decoder_select="crystalhd"
2071 vc1_dxva2_hwaccel_deps="dxva2"
2072 vc1_dxva2_hwaccel_select="vc1_decoder"
2073 vc1_vaapi_hwaccel_deps="vaapi"
2074 vc1_vaapi_hwaccel_select="vc1_decoder"
2075 vc1_vdpau_decoder_deps="vdpau"
2076 vc1_vdpau_decoder_select="vc1_decoder"
2077 vc1_vdpau_hwaccel_deps="vdpau"
2078 vc1_vdpau_hwaccel_select="vc1_decoder"
2079 wmv3_crystalhd_decoder_select="crystalhd"
2080 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2081 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2082 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2083 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2086 h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
2087 hevc_parser_select="hevc_decoder"
2088 mpeg4video_parser_select="error_resilience mpegvideo"
2089 mpegvideo_parser_select="error_resilience mpegvideo"
2090 vc1_parser_select="mpegvideo"
2092 # external libraries
2093 libaacplus_encoder_deps="libaacplus"
2094 libcelt_decoder_deps="libcelt"
2095 libfaac_encoder_deps="libfaac"
2096 libfaac_encoder_select="audio_frame_queue"
2097 libfdk_aac_decoder_deps="libfdk_aac"
2098 libfdk_aac_encoder_deps="libfdk_aac"
2099 libfdk_aac_encoder_select="audio_frame_queue"
2100 libgme_demuxer_deps="libgme"
2101 libgsm_decoder_deps="libgsm"
2102 libgsm_encoder_deps="libgsm"
2103 libgsm_ms_decoder_deps="libgsm"
2104 libgsm_ms_encoder_deps="libgsm"
2105 libilbc_decoder_deps="libilbc"
2106 libilbc_encoder_deps="libilbc"
2107 libmodplug_demuxer_deps="libmodplug"
2108 libmp3lame_encoder_deps="libmp3lame"
2109 libmp3lame_encoder_select="audio_frame_queue"
2110 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2111 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2112 libopencore_amrnb_encoder_select="audio_frame_queue"
2113 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2114 libopenjpeg_decoder_deps="libopenjpeg"
2115 libopenjpeg_encoder_deps="libopenjpeg"
2116 libopus_decoder_deps="libopus"
2117 libopus_encoder_deps="libopus"
2118 libopus_encoder_select="audio_frame_queue"
2119 libquvi_demuxer_deps="libquvi"
2120 libschroedinger_decoder_deps="libschroedinger"
2121 libschroedinger_encoder_deps="libschroedinger"
2122 libshine_encoder_deps="libshine"
2123 libshine_encoder_select="audio_frame_queue"
2124 libspeex_decoder_deps="libspeex"
2125 libspeex_encoder_deps="libspeex"
2126 libspeex_encoder_select="audio_frame_queue"
2127 libstagefright_h264_decoder_deps="libstagefright_h264"
2128 libtheora_encoder_deps="libtheora"
2129 libtwolame_encoder_deps="libtwolame"
2130 libvo_aacenc_encoder_deps="libvo_aacenc"
2131 libvo_aacenc_encoder_select="audio_frame_queue"
2132 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2133 libvorbis_decoder_deps="libvorbis"
2134 libvorbis_encoder_deps="libvorbis"
2135 libvorbis_encoder_select="audio_frame_queue"
2136 libvpx_vp8_decoder_deps="libvpx"
2137 libvpx_vp8_encoder_deps="libvpx"
2138 libvpx_vp9_decoder_deps="libvpx"
2139 libvpx_vp9_encoder_deps="libvpx"
2140 libwavpack_encoder_deps="libwavpack"
2141 libx264_encoder_deps="libx264"
2142 libx264rgb_encoder_deps="libx264"
2143 libxavs_encoder_deps="libxavs"
2144 libxvid_encoder_deps="libxvid"
2145 libutvideo_decoder_deps="libutvideo"
2146 libutvideo_encoder_deps="libutvideo"
2147 libzvbi_teletext_decoder_deps="libzvbi"
2150 ac3_demuxer_select="ac3_parser"
2151 asf_demuxer_select="riffdec"
2152 asf_muxer_select="riffenc"
2153 asf_stream_muxer_select="asf_muxer"
2154 avi_demuxer_select="riffdec"
2155 avi_muxer_select="riffenc"
2156 avisynth_demuxer_deps="avisynth"
2157 avisynth_demuxer_select="riffdec"
2158 caf_demuxer_select="riffdec"
2159 dirac_demuxer_select="dirac_parser"
2160 dts_demuxer_select="dca_parser"
2161 dtshd_demuxer_select="dca_parser"
2162 dxa_demuxer_select="riffdec"
2163 eac3_demuxer_select="ac3_parser"
2164 f4v_muxer_select="mov_muxer"
2165 flac_demuxer_select="flac_parser"
2166 hds_muxer_select="flv_muxer"
2167 hls_muxer_select="mpegts_muxer"
2168 ipod_muxer_select="mov_muxer"
2169 ismv_muxer_select="mov_muxer"
2170 libnut_demuxer_deps="libnut"
2171 libnut_muxer_deps="libnut"
2172 matroska_audio_muxer_select="matroska_muxer"
2173 matroska_demuxer_select="riffdec"
2174 matroska_demuxer_suggest="bzlib lzo zlib"
2175 matroska_muxer_select="riffenc"
2176 mmf_muxer_select="riffenc"
2177 mov_demuxer_select="riffdec"
2178 mov_demuxer_suggest="zlib"
2179 mov_muxer_select="riffenc rtpenc_chain"
2180 mp3_demuxer_select="mpegaudio_parser"
2181 mp4_muxer_select="mov_muxer"
2182 mpegts_muxer_select="adts_muxer latm_muxer"
2183 mpegtsraw_demuxer_select="mpegts_demuxer"
2184 mxf_d10_muxer_select="mxf_muxer"
2185 nut_muxer_select="riffenc"
2186 nuv_demuxer_select="riffdec"
2187 ogg_demuxer_select="golomb"
2188 psp_muxer_select="mov_muxer"
2189 rtp_demuxer_select="sdp_demuxer"
2190 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2191 rtsp_demuxer_select="http_protocol rtpdec"
2192 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2193 sap_demuxer_select="sdp_demuxer"
2194 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2195 sdp_demuxer_select="rtpdec"
2196 smoothstreaming_muxer_select="ismv_muxer"
2197 spdif_muxer_select="aac_parser"
2198 tak_demuxer_select="tak_parser"
2199 tg2_muxer_select="mov_muxer"
2200 tgp_muxer_select="mov_muxer"
2201 vobsub_demuxer_select="mpegps_demuxer"
2202 w64_demuxer_select="wav_demuxer"
2203 w64_muxer_select="wav_muxer"
2204 wav_demuxer_select="riffdec"
2205 wav_muxer_select="riffenc"
2206 webm_muxer_select="riffenc"
2207 wtv_demuxer_select="riffdec"
2208 xmv_demuxer_select="riffdec"
2209 xwma_demuxer_select="riffdec"
2212 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2213 alsa_outdev_deps="alsa_asoundlib_h"
2214 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2215 caca_outdev_deps="libcaca"
2216 dshow_indev_deps="IBaseFilter"
2217 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
2218 dv1394_indev_deps="dv1394"
2219 dv1394_indev_select="dv_demuxer"
2220 fbdev_indev_deps="linux_fb_h"
2221 fbdev_outdev_deps="linux_fb_h"
2222 iec61883_indev_deps="libiec61883"
2223 jack_indev_deps="jack_jack_h sem_timedwait"
2224 lavfi_indev_deps="avfilter"
2225 libcdio_indev_deps="libcdio"
2226 libdc1394_indev_deps="libdc1394"
2227 libv4l2_indev_deps="libv4l2"
2228 openal_indev_deps="openal"
2229 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2230 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2231 pulse_indev_deps="libpulse"
2232 pulse_outdev_deps="libpulse"
2233 sdl_outdev_deps="sdl"
2234 sndio_indev_deps="sndio_h"
2235 sndio_outdev_deps="sndio_h"
2236 v4l_indev_deps="linux_videodev_h"
2237 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2238 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2239 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2240 vfwcap_indev_extralibs="-lavicap32"
2241 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2242 xv_outdev_extralibs="-lXv -lX11 -lXext"
2243 x11grab_indev_deps="x11grab"
2246 bluray_protocol_deps="libbluray"
2247 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2248 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2249 ffrtmpcrypt_protocol_select="tcp_protocol"
2250 ffrtmphttp_protocol_deps="!librtmp_protocol"
2251 ffrtmphttp_protocol_select="http_protocol"
2252 ftp_protocol_select="tcp_protocol"
2253 gopher_protocol_select="network"
2254 httpproxy_protocol_select="tcp_protocol"
2255 http_protocol_select="tcp_protocol"
2256 https_protocol_select="tls_protocol"
2257 librtmp_protocol_deps="librtmp"
2258 librtmpe_protocol_deps="librtmp"
2259 librtmps_protocol_deps="librtmp"
2260 librtmpt_protocol_deps="librtmp"
2261 librtmpte_protocol_deps="librtmp"
2262 libssh_protocol_deps="libssh"
2263 mmsh_protocol_select="http_protocol"
2264 mmst_protocol_select="network"
2265 rtmp_protocol_deps="!librtmp_protocol"
2266 rtmp_protocol_select="tcp_protocol"
2267 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2268 rtmps_protocol_deps="!librtmp_protocol"
2269 rtmps_protocol_select="tls_protocol"
2270 rtmpt_protocol_select="ffrtmphttp_protocol"
2271 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2272 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2273 rtp_protocol_select="udp_protocol"
2274 sctp_protocol_deps="struct_sctp_event_subscribe"
2275 sctp_protocol_select="network"
2276 srtp_protocol_select="rtp_protocol"
2277 tcp_protocol_select="network"
2278 tls_protocol_deps_any="openssl gnutls"
2279 tls_protocol_select="tcp_protocol"
2280 udp_protocol_select="network"
2281 unix_protocol_deps="sys_un_h"
2282 unix_protocol_select="network"
2285 aconvert_filter_deps="swresample"
2286 amovie_filter_deps="avcodec avformat"
2287 aresample_filter_deps="swresample"
2288 ass_filter_deps="libass"
2289 asyncts_filter_deps="avresample"
2290 atempo_filter_deps="avcodec"
2291 atempo_filter_select="rdft"
2292 azmq_filter_deps="libzmq"
2293 blackframe_filter_deps="gpl"
2294 boxblur_filter_deps="gpl"
2295 colormatrix_filter_deps="gpl"
2296 cropdetect_filter_deps="gpl"
2297 dctdnoiz_filter_deps="avcodec"
2298 dctdnoiz_filter_select="fft"
2299 delogo_filter_deps="gpl"
2300 deshake_filter_deps="avcodec"
2301 deshake_filter_select="dsputil"
2302 drawtext_filter_deps="libfreetype"
2303 ebur128_filter_deps="gpl"
2304 flite_filter_deps="libflite"
2305 frei0r_filter_deps="frei0r dlopen"
2306 frei0r_filter_extralibs='$ldl'
2307 frei0r_src_filter_deps="frei0r dlopen"
2308 frei0r_src_filter_extralibs='$ldl'
2309 geq_filter_deps="gpl"
2310 histeq_filter_deps="gpl"
2311 hqdn3d_filter_deps="gpl"
2312 interlace_filter_deps="gpl"
2313 kerndeint_filter_deps="gpl"
2314 ladspa_filter_deps="ladspa dlopen"
2315 mcdeint_filter_deps="avcodec gpl"
2316 movie_filter_deps="avcodec avformat"
2317 mp_filter_deps="gpl avcodec swscale inline_asm"
2318 mpdecimate_filter_deps="gpl avcodec"
2319 mptestsrc_filter_deps="gpl"
2320 negate_filter_deps="lut_filter"
2321 perspective_filter_deps="gpl"
2322 resample_filter_deps="avresample"
2323 ocv_filter_deps="libopencv"
2324 owdenoise_filter_deps="gpl"
2325 pan_filter_deps="swresample"
2326 phase_filter_deps="gpl"
2327 pp_filter_deps="gpl postproc"
2328 pullup_filter_deps="gpl"
2329 removelogo_filter_deps="avcodec avformat swscale"
2330 sab_filter_deps="gpl swscale"
2331 scale_filter_deps="swscale"
2332 smartblur_filter_deps="gpl swscale"
2333 showspectrum_filter_deps="avcodec"
2334 showspectrum_filter_select="rdft"
2335 spp_filter_deps="gpl avcodec"
2336 spp_filter_select="fft"
2337 stereo3d_filter_deps="gpl"
2338 subtitles_filter_deps="avformat avcodec libass"
2339 super2xsai_filter_deps="gpl"
2340 tinterlace_filter_deps="gpl"
2341 vidstabdetect_filter_deps="libvidstab"
2342 vidstabtransform_filter_deps="libvidstab"
2343 yadif_filter_deps="gpl"
2344 pixfmts_super2xsai_test_deps="super2xsai_filter"
2345 tinterlace_merge_test_deps="tinterlace_filter"
2346 tinterlace_pad_test_deps="tinterlace_filter"
2347 zmq_filter_deps="libzmq"
2350 decoding_encoding_example_deps="avcodec avutil"
2351 demuxing_decoding_example_deps="avcodec avformat avutil"
2352 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2353 filtering_video_example_deps="avfilter avcodec avformat avutil"
2354 metadata_example_deps="avformat avutil"
2355 muxing_example_deps="avcodec avformat avutil swscale"
2356 resampling_audio_example_deps="avutil swresample"
2357 scaling_video_example_deps="avutil swscale"
2358 transcode_aac_example_deps="avcodec avformat swresample"
2361 avcodec_deps="avutil"
2362 avdevice_deps="avutil avcodec avformat"
2363 avfilter_deps="avutil"
2364 avformat_deps="avutil avcodec"
2365 avresample_deps="avutil"
2366 postproc_deps="avutil gpl"
2367 swscale_deps="avutil"
2370 ffmpeg_deps="avcodec avfilter avformat swresample"
2371 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2373 setpts_filter trim_filter"
2374 ffplay_deps="avcodec avformat swscale swresample sdl"
2375 ffplay_select="rdft crop_filter"
2376 ffprobe_deps="avcodec avformat"
2377 ffserver_deps="avformat fork sarestart"
2378 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2379 ffserver_extralibs='$ldl'
2382 podpages_deps="perl"
2383 manpages_deps="perl pod2man"
2384 htmlpages_deps="perl texi2html"
2385 txtpages_deps="perl makeinfo"
2386 doc_deps_any="manpages htmlpages podpages txtpages"
2388 # default parameters
2390 logfile="config.log"
2392 # installation paths
2393 prefix_default="/usr/local"
2394 bindir_default='${prefix}/bin'
2395 datadir_default='${prefix}/share/ffmpeg'
2396 docdir_default='${prefix}/share/doc/ffmpeg'
2397 incdir_default='${prefix}/include'
2398 libdir_default='${prefix}/lib'
2399 mandir_default='${prefix}/share/man'
2400 shlibdir_default="$libdir_default"
2406 host_cc_default="gcc"
2412 pkg_config_default=pkg-config
2414 strip_default="strip"
2415 yasmexe_default="yasm"
2416 windres_default="windres"
2421 arch_default=$(uname -m)
2425 target_os_default=$(tolower $(uname -s))
2426 host_os=$target_os_default
2428 # configurable options
2429 enable $PROGRAM_LIST
2430 enable $DOCUMENT_LIST
2431 enable $EXAMPLE_LIST
2432 enable $(filter_out avresample $LIBRARY_LIST)
2438 enable optimizations
2439 enable runtime_cpudetect
2440 enable safe_bitstream_reader
2442 enable swscale_alpha
2444 # Enable hwaccels by default.
2445 enable dxva2 vaapi vdpau
2448 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2451 FULLNAME='$(NAME)$(BUILDSUF)'
2452 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2455 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2456 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2457 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2458 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2459 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2460 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2482 host_cppflags='-D_ISOC99_SOURCE'
2484 host_cflags_filter=echo
2485 host_ldflags_filter=echo
2487 target_path='$(CURDIR)'
2489 # since the object filename is not given with the -MM flag, the compiler
2490 # is only able to print the basename, and we must add the path ourselves
2491 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2495 if test -f configure; then
2498 source_path=$(cd $(dirname "$0"); pwd)
2499 echo "$source_path" | grep -q '[[:blank:]]' &&
2500 die "Out of tree builds are impossible with whitespace in source path."
2501 test -e "$source_path/config.h" &&
2502 die "Out of tree builds are impossible with config.h in source dir."
2509 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2515 file=$source_path/$3
2516 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2519 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2520 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2521 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2522 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2523 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2524 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2525 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2526 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2527 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2528 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2529 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2545 for n in $COMPONENT_LIST; do
2546 v=$(toupper ${n%s})_LIST
2548 eval ${n}_if_any="\$$v"
2551 enable $ARCH_EXT_LIST
2554 echo "Unknown option \"$1\"."
2555 echo "See $0 --help for available options."
2560 cat | tr ' ' '\n' | sort | pr -r -3 -t
2566 echo $* | sed s/$suffix//g | print_3_columns
2578 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2579 echo "prob ${prob:-0.5}"
2587 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2588 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2598 add_extralibs $optval
2601 disable $INDEV_LIST $OUTDEV_LIST
2604 debuglevel="$optval"
2607 disable $PROGRAM_LIST
2609 --disable-everything)
2610 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2613 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2614 disable $LIBRARY_LIST $PROGRAM_LIST doc
2616 --enable-random|--disable-random)
2617 action=${opt%%-random}
2618 do_random ${action#--} $COMPONENT_LIST
2620 --enable-random=*|--disable-random=*)
2621 action=${opt%%-random=*}
2622 do_random ${action#--} $optval
2624 --enable-*=*|--disable-*=*)
2625 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2626 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2627 eval list=\$$(toupper $thing)_LIST
2628 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2629 list=$(filter "$name" $list)
2630 [ "$list" = "" ] && warn "Option $opt did not match anything"
2633 --enable-?*|--disable-?*)
2634 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2635 if is_in $option $COMPONENT_LIST; then
2636 test $action = disable && action=unset
2637 eval $action \$$(toupper ${option%s})_LIST
2638 elif is_in $option $CMDLINE_SELECT; then
2645 NAME="${opt#--list-}"
2646 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2648 eval show_list $NAME \$$(toupper $NAME)_LIST
2650 --help|-h) show_help
2652 --fatal-warnings) enable fatal_warnings
2655 optname="${opt%%=*}"
2656 optname="${optname#--}"
2657 optname=$(echo "$optname" | sed 's/-/_/g')
2658 if is_in $optname $CMDLINE_SET; then
2659 eval $optname='$optval'
2660 elif is_in $optname $CMDLINE_APPEND; then
2661 append $optname "$optval"
2669 disabled logging && logfile=/dev/null
2671 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2674 test -n "$cross_prefix" && enable cross_compile
2676 if enabled cross_compile; then
2677 test -n "$arch" && test -n "$target_os" ||
2678 die "Must specify target arch and OS when cross-compiling"
2681 ar_default="${cross_prefix}${ar_default}"
2682 cc_default="${cross_prefix}${cc_default}"
2683 cxx_default="${cross_prefix}${cxx_default}"
2684 nm_default="${cross_prefix}${nm_default}"
2685 pkg_config_default="${cross_prefix}${pkg_config_default}"
2686 ranlib="${cross_prefix}${ranlib}"
2687 strip_default="${cross_prefix}${strip_default}"
2688 windres_default="${cross_prefix}${windres_default}"
2690 sysinclude_default="${sysroot}/usr/include"
2692 test -n "$valgrind" && toolchain="valgrind-memcheck"
2694 case "$toolchain" in
2697 add_cflags -fsanitize=address
2698 add_ldflags -fsanitize=address
2702 add_cflags -fsanitize=thread -pie
2703 add_ldflags -fsanitize=thread -pie
2707 add_cflags -fsanitize=address
2708 add_ldflags -fsanitize=address
2712 add_cflags -fsanitize=thread -pie -fPIC
2713 add_ldflags -fsanitize=thread -pie -fPIC
2716 target_exec_default=${valgrind:-"valgrind"}
2717 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
2720 target_exec_default=${valgrind:-"valgrind"}
2721 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
2724 # Check whether the current MSVC version needs the C99 converter.
2725 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2726 # support enough of C99 to build ffmpeg. Default to the new
2727 # behaviour if the regexp was unable to match anything, since this
2728 # successfully parses the version number of existing supported
2729 # versions that require the converter (MSVC 2010 and 2012).
2730 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2731 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2734 cc_default="c99wrap cl"
2737 nm_default="dumpbin -symbols"
2739 target_os_default="win32"
2740 # Use a relative path for TMPDIR. This makes sure all the
2741 # ffconf temp files are written with a relative path, avoiding
2742 # issues with msys/win32 path conversion for MSVC parameters
2743 # such as -Fo<file> or -out:<file>.
2749 nm_default="dumpbin -symbols"
2751 target_os_default="win32"
2755 add_cflags -fprofile-arcs -ftest-coverage
2756 add_ldflags -fprofile-arcs -ftest-coverage
2759 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
2760 add_ldflags -Wl,-z,relro -Wl,-z,now
2763 die "Unknown toolchain $toolchain"
2767 set_default arch cc cxx pkg_config strip sysinclude target_exec target_os yasmexe
2768 enabled cross_compile || host_cc_default=$cc
2771 if ! $pkg_config --version >/dev/null 2>&1; then
2772 warn "$pkg_config not found, library detection may fail."
2778 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2782 EXESUF=$(exesuf $target_os)
2783 HOSTEXESUF=$(exesuf $host_os)
2785 # set temporary file name
2786 : ${TMPDIR:=$TEMPDIR}
2790 if [ -n "$tempprefix" ] ; then
2792 echo $tempprefix.${HOSTNAME}.${UID}
2794 elif ! check_cmd mktemp -u XXXXXX; then
2795 # simple replacement for missing mktemp
2796 # NOT SAFE FOR GENERAL USE
2798 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2803 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2804 (set -C; exec > $tmp) 2>/dev/null ||
2805 die "Unable to create temporary file in $TMPDIR."
2806 append TMPFILES $tmp
2810 trap 'rm -f -- $TMPFILES' EXIT
2815 tmpfile TMPE $EXESUF
2826 # make sure we can execute files in $TMPDIR
2827 cat > $TMPSH 2>> $logfile <<EOF
2830 chmod +x $TMPSH >> $logfile 2>&1
2831 if ! $TMPSH >> $logfile 2>&1; then
2833 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2834 variable to another directory and make sure that it is not mounted noexec.
2836 die "Sanity test failed."
2842 -std=c99) echo -c99 ;;
2843 -mcpu=*) echo -arch ${flag#*=} ;;
2844 -mieee) echo -ieee ;;
2845 -O*|-fast) echo $flag ;;
2846 -fno-math-errno) echo -assume nomath_errno ;;
2848 -Wall) echo -msg_enable level2 ;;
2849 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2850 -Wl,*) echo $flag ;;
2860 -Wno-switch) echo -Wno-switch-enum ;;
2861 -Wno-format-zero-length) ;;
2862 -Wdisabled-optimization) ;;
2863 -Wno-pointer-sign) echo -Wno-other ;;
2869 msvc_common_flags(){
2872 # In addition to specifying certain flags under the compiler
2873 # specific filters, they must be specified here as well or else the
2874 # generic catch all at the bottom will print the original flag.
2878 -fomit-frame-pointer) ;;
2882 -fno-signed-zeros) ;;
2886 -lz) echo zlib.lib ;;
2887 -lavifil32) echo vfw32.lib ;;
2888 -lavicap32) echo vfw32.lib user32.lib ;;
2889 -l*) echo ${flag#-l}.lib ;;
2896 msvc_common_flags "$@"
2899 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2900 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2901 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2909 msvc_common_flags "$@"
2912 # Despite what Intel's documentation says -Wall, which is supported
2913 # on Windows, does enable remarks so disable them here.
2914 -Wall) echo $flag -Qdiag-disable:remark ;;
2915 -std=c99) echo -Qstd=c99 ;;
2923 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2924 -fomit-frame-pointer) echo -Mnoframe ;;
2935 case "${flag#*=}" in
2936 native) echo -xtarget=native ;;
2937 v9|niagara) echo -xarch=sparc ;;
2938 ultrasparc) echo -xarch=sparcvis ;;
2939 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2940 i586|pentium) echo -xchip=pentium ;;
2941 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2942 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2943 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2944 pentium4*) echo -xtarget=pentium4 ;;
2945 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2946 *-sse3) echo -xarch=sse3 ;;
2947 core2) echo -xarch=ssse3 -xchip=core2 ;;
2948 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2949 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2950 amdfam10|barcelona) echo -xtarget=barcelona ;;
2951 bdver*) echo -xarch=avx ;;
2952 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2953 k8|opteron|athlon64|athlon-fx)
2954 echo -xarch=sse2a ;;
2955 athlon*) echo -xarch=pentium_proa ;;
2958 -std=c99) echo -xc99 ;;
2959 -fomit-frame-pointer) echo -xregs=frameptr ;;
2960 -fPIC) echo -KPIC -xcode=pic32 ;;
2961 -W*,*) echo $flag ;;
2962 -f*-*|-W*|-mimpure-text) ;;
2973 case "${flag#*=}" in
2974 armv7-a|cortex-a*) echo -mv=7a8 ;;
2975 armv7-r|cortex-r*) echo -mv=7r4 ;;
2976 armv7-m|cortex-m*) echo -mv=7m3 ;;
2977 armv6*|arm11*) echo -mv=6 ;;
2978 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2980 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2983 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2984 -mfpu=vfp) echo --float_support=vfpv2 ;;
2985 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2986 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
2987 -msoft-float) echo --float_support=vfplib ;;
2988 -O[0-3]|-mf=*) echo $flag ;;
2990 -pds=*) echo $flag ;;
2991 -D*|-I*) echo $flag ;;
2992 --gcc|--abi=*) echo $flag ;;
3002 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3003 unset _ld_o _ldflags _ld_lib _ld_path
3004 unset _depflags _DEPCMD _DEPFLAGS
3007 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3008 true # no-op to avoid reading stdin in following checks
3009 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3011 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
3012 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
3013 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3016 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3018 gcc_version=$($_cc --version | head -n1)
3019 gcc_basever=$($_cc -dumpversion)
3020 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3021 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3022 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3023 if ! $_cc -dumpversion | grep -q '^2\.'; then
3024 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3028 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3030 _ident=$($_cc --version | head -n1)
3035 elif $_cc -v 2>&1 | grep -q xlc; then
3037 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3039 _cflags_size='-O5 -qcompact'
3040 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3042 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3044 _cflags_speed='-fast'
3046 _flags_filter=ccc_flags
3047 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
3048 test -d "$sysroot" || die "No valid sysroot specified."
3050 _ident=$($_cc --vsn | head -n1)
3051 armcc_conf="$PWD/armcc.conf"
3052 $_cc --arm_linux_configure \
3053 --arm_linux_config_file="$armcc_conf" \
3054 --configure_sysroot="$sysroot" \
3055 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3056 die "Error creating armcc configuration file."
3057 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3058 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3059 as_default="${cross_prefix}gcc"
3063 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3065 _ident=$($_cc -version | head -n1 | tr -s ' ')
3066 _flags='--gcc --abi=eabi -me'
3069 _depflags='-ppa -ppd=$(@:.o=.d)'
3070 _cflags_speed='-O3 -mf=5'
3071 _cflags_size='-O3 -mf=2'
3072 _flags_filter=tms470_flags
3073 elif $_cc -v 2>&1 | grep -q clang; then
3075 _ident=$($_cc --version | head -n1)
3079 elif $_cc -V 2>&1 | grep -q Sun; then
3081 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3082 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3083 _DEPFLAGS='-xM1 -xc99'
3086 _cflags_size='-O5 -xspace'
3087 _flags_filter=suncc_flags
3088 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3090 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3091 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3094 _flags_filter='filter_out -Wdisabled-optimization'
3095 elif $_cc -v 2>&1 | grep -q Open64; then
3097 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3098 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3101 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3102 elif $_cc -V 2>&1 | grep -q Portland; then
3104 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3105 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3106 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3107 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3109 _flags_filter=pgi_flags
3110 elif $_cc 2>&1 | grep -q Microsoft; then
3112 _ident=$($cc 2>&1 | head -n1)
3113 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3114 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3117 if $_cc 2>&1 | grep -q Linker; then
3124 _flags_filter=msvc_flags
3126 _ld_path='-libpath:'
3128 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3129 if [ $pfx = hostcc ]; then
3130 append _cflags -Dsnprintf=_snprintf
3133 elif $_cc 2>&1 | grep -q Intel; then
3135 _ident=$($cc 2>&1 | head -n1)
3136 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3137 # Not only is O3 broken on 13.x+ but it is slower on all previous
3138 # versions (tested) as well.
3140 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3141 if $_cc 2>&1 | grep -q Linker; then
3148 _flags_filter=icl_flags
3150 _ld_path='-libpath:'
3151 # -Qdiag-error to make icl error when seeing certain unknown arguments
3152 _flags='-nologo -Qdiag-error:4044,10157'
3153 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3154 # with MSVC which enables it by default.
3155 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
3156 if [ $pfx = hostcc ]; then
3157 append _cflags -Dsnprintf=_snprintf
3159 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3161 _ident=$($_cc --version | head -n1)
3165 _flags_filter=cparser_flags
3168 eval ${pfx}_type=\$_type
3169 eval ${pfx}_ident=\$_ident
3173 eval ${1}_C=\${_cc_c-\${${1}_C}}
3174 eval ${1}_E=\${_cc_e-\${${1}_E}}
3175 eval ${1}_O=\${_cc_o-\${${1}_O}}
3177 if [ -n "$_depflags" ]; then
3178 eval ${1}_DEPFLAGS=\$_depflags
3180 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3181 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3182 eval DEP${1}FLAGS=\$_flags
3187 cflags_filter=$_flags_filter
3188 cflags_speed=$_cflags_speed
3189 cflags_size=$_cflags_size
3190 cflags_noopt=$_cflags_noopt
3191 add_cflags $_flags $_cflags
3192 cc_ldflags=$_ldflags
3195 probe_cc hostcc "$host_cc"
3196 host_cflags_filter=$_flags_filter
3197 add_host_cflags $_flags $_cflags
3200 test -n "$cc_type" && enable $cc_type ||
3201 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3203 : ${as_default:=$cc}
3204 : ${dep_cc_default:=$cc}
3205 : ${ld_default:=$cc}
3206 : ${host_ld_default:=$host_cc}
3207 set_default ar as dep_cc ld host_ld windres
3210 asflags_filter=$_flags_filter
3211 add_asflags $_flags $_cflags
3215 ldflags_filter=$_flags_filter
3216 add_ldflags $_flags $_ldflags
3217 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3219 LD_LIB=${_ld_lib-$LD_LIB}
3220 LD_PATH=${_ld_path-$LD_PATH}
3222 probe_cc hostld "$host_ld"
3223 host_ldflags_filter=$_flags_filter
3224 add_host_ldflags $_flags $_ldflags
3225 HOSTLD_O=${_ld_o-$HOSTLD_O}
3227 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3228 probe_cc depcc "$dep_cc"
3229 CCDEP=${_DEPCMD:-$DEPCMD}
3230 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3234 if $ar 2>&1 | grep -q Microsoft; then
3237 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3240 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3241 arflags='-Xany -r -c'
3248 add_cflags $extra_cflags
3249 add_cxxflags $extra_cxxflags
3250 add_asflags $extra_cflags
3252 if test -n "$sysroot"; then
3255 add_cppflags --sysroot="$sysroot"
3256 add_ldflags --sysroot="$sysroot"
3259 add_cppflags -I"$sysinclude"
3260 add_ldflags --sysroot="$sysroot"
3265 if test "$cpu" = host; then
3266 enabled cross_compile &&
3267 die "--cpu=host makes no sense when cross-compiling."
3272 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3274 s/.*$1=\\([^ ]*\\).*/\\1/
3279 cpu=$(check_native -march || check_native -mcpu)
3283 test "${cpu:-host}" = host &&
3284 die "--cpu=host not supported with compiler $cc"
3287 # Deal with common $arch aliases
3301 "Power Macintosh"|ppc*|powerpc*)
3316 i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3321 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3324 # Add processor-specific flags
3325 if enabled aarch64; then
3329 cpuflags="-march=$cpu"
3332 cpuflags="-mcpu=$cpu"
3336 elif enabled alpha; then
3338 cpuflags="-mcpu=$cpu"
3340 elif enabled arm; then
3343 check_cpp_condition stddef.h \
3344 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3349 if check_arm_arch 4; then echo armv4;
3350 elif check_arm_arch 4T; then echo armv4t;
3351 elif check_arm_arch 5; then echo armv5;
3352 elif check_arm_arch 5E; then echo armv5e;
3353 elif check_arm_arch 5T; then echo armv5t;
3354 elif check_arm_arch 5TE; then echo armv5te;
3355 elif check_arm_arch 5TEJ; then echo armv5te;
3356 elif check_arm_arch 6; then echo armv6;
3357 elif check_arm_arch 6J; then echo armv6j;
3358 elif check_arm_arch 6K; then echo armv6k;
3359 elif check_arm_arch 6Z; then echo armv6z;
3360 elif check_arm_arch 6ZK; then echo armv6zk;
3361 elif check_arm_arch 6T2; then echo armv6t2;
3362 elif check_arm_arch 7; then echo armv7;
3363 elif check_arm_arch 7A 7_A; then echo armv7-a;
3364 elif check_arm_arch 7R 7_R; then echo armv7-r;
3365 elif check_arm_arch 7M 7_M; then echo armv7-m;
3366 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3367 elif check_arm_arch 8A 8_A; then echo armv8-a;
3371 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3375 cpuflags="-march=$cpu"
3376 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3379 cpuflags="-mcpu=$cpu"
3381 cortex-a*) subarch=armv7a ;;
3382 cortex-r*) subarch=armv7r ;;
3383 cortex-m*) enable thumb; subarch=armv7m ;;
3384 arm11*) subarch=armv6 ;;
3385 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3386 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3387 *) subarch=$(probe_arm_arch) ;;
3393 armv5t*) enable fast_clz ;;
3394 armv[6-8]*) enable fast_clz fast_unaligned ;;
3397 elif enabled avr32; then
3402 cpuflags="-mpart=$cpu"
3406 cpuflags="-march=$cpu"
3410 cpuflags="-mcpu=$cpu"
3414 cpuflags="-march=$cpu"
3418 elif enabled bfin; then
3420 cpuflags="-mcpu=$cpu"
3422 elif enabled mips; then
3424 cpuflags="-march=$cpu"
3440 24kef*|34kf*|1004kf*)
3448 elif enabled ppc; then
3450 case $(tolower $cpu) in
3451 601|ppc601|powerpc601)
3452 cpuflags="-mcpu=601"
3455 603*|ppc603*|powerpc603*)
3456 cpuflags="-mcpu=603"
3459 604*|ppc604*|powerpc604*)
3460 cpuflags="-mcpu=604"
3463 g3|75*|ppc75*|powerpc75*)
3464 cpuflags="-mcpu=750"
3467 g4|745*|ppc745*|powerpc745*)
3468 cpuflags="-mcpu=7450"
3470 74*|ppc74*|powerpc74*)
3471 cpuflags="-mcpu=7400"
3473 g5|970|ppc970|powerpc970)
3474 cpuflags="-mcpu=970"
3477 cpuflags="-mcpu=$cpu"
3480 cpuflags="-mcpu=cell"
3484 cpuflags="-mcpu=e500mc"
3488 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3492 cpuflags="-mcpu=8540 -mhard-float"
3497 elif enabled sparc; then
3500 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3501 cpuflags="-mcpu=$cpu"
3504 ultrasparc*|niagara[234])
3505 cpuflags="-mcpu=$cpu"
3509 elif enabled x86; then
3513 cpuflags="-march=$cpu"
3516 # targets that do NOT support nopl and conditional mov (cmov)
3517 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3518 cpuflags="-march=$cpu"
3521 # targets that do support nopl and conditional mov (cmov)
3522 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3523 cpuflags="-march=$cpu"
3527 # targets that do support conditional mov but on which it's slow
3528 pentium4|pentium4m|prescott|nocona)
3529 cpuflags="-march=$cpu"
3537 if [ "$cpu" != generic ]; then
3538 add_cflags $cpuflags
3539 add_asflags $cpuflags
3542 # compiler sanity check
3544 int main(void){ return 0; }
3546 if test "$?" != 0; then
3547 echo "$cc is unable to create an executable file."
3548 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3549 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3550 echo "Only do this if you know what cross compiling means."
3552 die "C compiler test failed."
3555 add_cppflags -D_ISOC99_SOURCE
3556 add_cxxflags -D__STDC_CONSTANT_MACROS
3557 check_cflags -std=c99
3558 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3561 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3565 check_host_cflags -std=c99
3566 check_host_cflags -Wall
3572 check_code cc "" "int test[2*($expr) - 1]" &&
3573 subarch=$arch64 || subarch=$arch32
3581 check_64bit mips mips64 '_MIPS_SIM > 1'
3585 check_64bit parisc parisc64 'sizeof(void *) > 4'
3589 check_64bit ppc ppc64 'sizeof(void *) > 4'
3593 check_64bit sparc sparc64 'sizeof(void *) > 4'
3597 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3598 if test "$subarch" = "x86_64"; then
3603 check_cc <<EOF && subarch="ppc64"
3604 int test[(int)sizeof(char*) - 7];
3610 enabled spic && enable_weak pic
3616 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3617 enabled shared && add_ldflags -Wl,-brtl
3620 prefix_default="/boot/common"
3621 network_extralibs="-lnetwork"
3625 SHFLAGS='-shared -Wl,-h,$$(@F)'
3626 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3627 network_extralibs="-lsocket -lnsl"
3628 # When using suncc to build, the Solaris linker will mark
3629 # an executable with each instruction set encountered by
3630 # the Solaris assembler. As our libraries contain their own
3631 # guards for processor-specific code, instead suppress
3632 # generation of the HWCAPS ELF section on Solaris x86 only.
3633 enabled_all suncc x86 &&
3634 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3635 add_ldflags -Wl,-M,mapfile
3636 nm_default='nm -P -g'
3640 oss_indev_extralibs="-lossaudio"
3641 oss_outdev_extralibs="-lossaudio"
3642 enabled gcc || check_ldflags -Wl,-zmuldefs
3647 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3649 oss_indev_extralibs="-lossaudio"
3650 oss_outdev_extralibs="-lossaudio"
3658 add_extralibs -lpoll -lgnugetopt
3662 gas="gas-preprocessor.pl $cc"
3663 enabled ppc && add_asflags -force_cpusubtype_ALL
3664 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3665 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3667 add_ldflags -Wl,-dynamic,-search_paths_first
3669 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3670 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3672 enabled x86_64 && objformat="macho64"
3673 enabled_any pic shared ||
3674 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3677 if test $target_os = "mingw32ce"; then
3683 if enabled x86_64; then
3684 LIBTARGET="i386:x86-64"
3685 elif enabled arm; then
3688 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
3689 check_ldflags -Wl,--nxcompat
3690 check_ldflags -Wl,--dynamicbase
3691 shlibdir_default="$bindir_default"
3694 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3695 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3696 dlltool="${cross_prefix}dlltool"
3697 if check_cmd lib.exe -list; then
3698 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3699 if enabled x86_64; then
3702 elif check_cmd $dlltool --version; then
3703 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3705 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3707 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3708 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3709 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3716 if enabled shared; then
3717 # Link to the import library instead of the normal static library
3720 # Cannot build both shared and static libs with MSVC or icl.
3723 shlibdir_default="$bindir_default"
3726 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3727 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3728 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3729 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3731 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3732 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3733 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3740 shlibdir_default="$bindir_default"
3743 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3744 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3745 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3747 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3748 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3751 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
3753 *-dos|freedos|opendos)
3754 network_extralibs="-lsocket"
3757 add_cppflags -U__STRICT_ANSI__
3764 ranlib="echo ignoring ranlib"
3770 add_cppflags -D_GNU_SOURCE
3771 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3772 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3776 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3777 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3778 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3779 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3780 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3781 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3782 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3783 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3784 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3785 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3786 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3788 enable_weak os2threads
3791 add_cppflags -D_BSD_SOURCE
3796 add_cppflags -D_QNX_SOURCE
3797 network_extralibs="-lsocket"
3802 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3803 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3804 add_ldflags -Wl,--target1-abs,--no-undefined \
3805 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3806 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3807 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3808 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3809 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3812 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3817 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3818 -D_REENTRANT_SOURCE \
3819 -D_RESEARCH_SOURCE \
3822 add_compat strtod.o strtod=avpriv_strtod
3823 network_extralibs='-lbsd'
3824 exeobjs=compat/plan9/main.o
3831 die "Unknown OS '$target_os'."
3835 # determine libc flavour
3840 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3841 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
3842 eval ${pfx}libc_type=uclibc
3843 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3844 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
3845 eval ${pfx}libc_type=glibc
3846 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3847 # MinGW headers can be installed on Cygwin, so check for newlib first.
3848 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3849 eval ${pfx}libc_type=newlib
3850 add_${pfx}cppflags -U__STRICT_ANSI__
3851 # MinGW64 is backwards compatible with MinGW32, so check for it first.
3852 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
3853 eval ${pfx}libc_type=mingw64
3854 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
3855 add_compat msvcrt/snprintf.o
3856 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
3858 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3859 eval test \$${pfx_no_}cc_type = "gcc" &&
3860 add_${pfx}cppflags -D__printf__=__gnu_printf__
3861 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
3862 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
3863 eval ${pfx}libc_type=mingw32
3864 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
3865 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3866 die "ERROR: MinGW32 runtime version must be >= 3.15."
3867 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3868 eval test \$${pfx_no_}cc_type = "gcc" &&
3869 add_${pfx}cppflags -D__printf__=__gnu_printf__
3870 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
3871 eval ${pfx}libc_type=msvcrt
3872 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3873 # 0x601 by default unless something else is set by the user.
3874 # This can easily lead to us detecting functions only present
3875 # in such new versions and producing binaries requiring windows 7.0.
3876 # Therefore explicitly set the default to XP unless the user has
3877 # set something else on the command line.
3878 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
3879 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
3880 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
3881 eval ${pfx}libc_type=klibc
3882 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3883 eval ${pfx}libc_type=bionic
3884 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
3885 eval ${pfx}libc_type=solaris
3886 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3891 test -n "$libc_type" && enable libc_$libc_type
3893 test -n "$host_libc_type" && enable host_libc_$host_libc_type
3897 add_compat strtod.o strtod=avpriv_strtod
3900 add_compat strtod.o strtod=avpriv_strtod
3901 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3902 _snprintf=avpriv_snprintf \
3903 vsnprintf=avpriv_vsnprintf
3907 # hacks for compiler/libc/os combinations
3909 if enabled_all tms470 libc_glibc; then
3910 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3911 add_cppflags -D__USER_LABEL_PREFIX__=
3912 add_cppflags -D__builtin_memset=memset
3913 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3914 add_cflags -pds=48 # incompatible redefinition of macro
3917 if enabled_all ccc libc_glibc; then
3918 add_ldflags -Wl,-z,now # calls to libots crash without this
3922 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3925 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
3927 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
3929 set_default $PATHS_LIST
3932 # we need to build at least one lib type
3933 if ! enabled_any static shared; then
3935 At least one library type must be built.
3936 Specify --enable-static to build the static libraries or --enable-shared to
3937 build the shared libraries as well. To only build the shared libraries specify
3938 --disable-static in addition to --enable-shared.
3943 # backward compatibility layer for incompatible_libav/fork_abi
3944 enabled incompatible_fork_abi && enable incompatible_libav_abi
3945 enabled incompatible_libav_abi && enable incompatible_fork_abi
3947 die_license_disabled() {
3948 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3951 die_license_disabled_gpl() {
3952 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
3955 die_license_disabled gpl frei0r
3956 die_license_disabled gpl libcdio
3957 die_license_disabled gpl libutvideo
3958 die_license_disabled gpl libvidstab
3959 die_license_disabled gpl libx264
3960 die_license_disabled gpl libxavs
3961 die_license_disabled gpl libxvid
3962 die_license_disabled gpl libzvbi
3963 die_license_disabled gpl x11grab
3965 die_license_disabled nonfree libaacplus
3966 die_license_disabled nonfree libfaac
3967 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
3968 enabled gpl && die_license_disabled_gpl nonfree openssl
3970 die_license_disabled version3 libopencore_amrnb
3971 die_license_disabled version3 libopencore_amrwb
3972 die_license_disabled version3 libvo_aacenc
3973 die_license_disabled version3 libvo_amrwbenc
3975 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3977 disabled optimizations || check_cflags -fomit-frame-pointer
3980 disabled pic && return
3983 case "$target_os" in
3993 enabled pic && enable_weak_pic
3995 check_cc <<EOF || die "Symbol mangling check failed."
3998 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3999 extern_prefix=${sym%%ff_extern*}
4001 check_cc <<EOF && enable_weak inline_asm
4002 void foo(void) { __asm__ volatile ("" ::); }
4006 for restrict_keyword in restrict __restrict__ __restrict; do
4007 check_cc <<EOF && _restrict=$restrict_keyword && break
4008 void foo(char * $restrict_keyword p);
4012 check_cc <<EOF && enable pragma_deprecated
4013 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4016 check_cc <<EOF && enable attribute_packed
4017 struct { int x; } __attribute__((packed)) x;
4020 check_cc <<EOF && enable attribute_may_alias
4021 union { int x; } __attribute__((may_alias)) x;
4024 check_cc <<EOF || die "endian test failed"
4025 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4027 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4029 check_inline_asm inline_asm_labels '"1:\n"'
4031 if enabled alpha; then
4035 elif enabled arm; then
4037 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
4038 float func(float a, float b){ return a+b; }
4041 enabled thumb && check_cflags -mthumb || check_cflags -marm
4044 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4046 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
4047 case "${cross_prefix:-$cc}" in
4048 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4049 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4050 __asm__ (".eabi_attribute 28, 1");
4051 int main(void) { return 0; }
4054 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4057 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4058 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4059 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4060 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4061 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4062 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4064 [ $target_os = linux ] ||
4065 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4068 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4069 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
4071 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4073 elif enabled mips; then
4075 check_inline_asm loongson '"dmult.g $1, $2, $3"'
4076 enabled mips32r2 && add_cflags "-mips32r2" && add_asflags "-mips32r2" &&
4077 check_inline_asm mips32r2 '"rotr $t0, $t1, 1"'
4078 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
4079 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
4080 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
4081 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
4082 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
4083 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
4085 elif enabled parisc; then
4087 if enabled gcc; then
4088 case $($cc -dumpversion) in
4089 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
4093 elif enabled ppc; then
4095 enable local_aligned_8 local_aligned_16
4097 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4098 check_inline_asm ibm_asm '"add 0, 0, 0"'
4099 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4100 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4102 # AltiVec flags: The FSF version of GCC differs from the Apple version
4103 if enabled altivec; then
4104 if ! enabled_any pic ppc64; then
4107 check_cflags -maltivec -mabi=altivec &&
4108 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4109 check_cflags -faltivec
4111 # check if our compiler supports Motorola AltiVec C API
4112 check_cc <<EOF || disable altivec
4115 vector signed int v1 = (vector signed int) { 0 };
4116 vector signed int v2 = (vector signed int) { 1 };
4117 v1 = vec_add(v1, v2);
4122 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4125 elif enabled sparc; then
4127 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
4129 elif enabled x86; then
4131 check_builtin rdtsc intrin.h "__rdtsc()"
4132 check_builtin mm_empty mmintrin.h "_mm_empty()"
4134 enable local_aligned_8 local_aligned_16
4136 # check whether EBP is available on x86
4137 # As 'i' is stored on the stack, this program will crash
4138 # if the base pointer is used to access it because the
4139 # base pointer is cleared in the inline assembly code.
4140 check_exec_crash <<EOF && enable ebp_available
4142 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4146 # check whether EBX is available on x86
4147 check_inline_asm ebx_available '""::"b"(0)' &&
4148 check_inline_asm ebx_available '"":::"%ebx"'
4150 # check whether xmm clobbers are supported
4151 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4153 # check whether binutils is new enough to compile SSSE3/MMXEXT
4154 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4155 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4157 if ! disabled_any asm mmx yasm; then
4158 if check_cmd $yasmexe --version; then
4159 enabled x86_64 && yasm_extra="-m amd64"
4160 yasm_debug="-g dwarf2"
4161 elif check_cmd nasm -v; then
4163 yasm_debug="-g -F dwarf"
4164 enabled x86_64 && test "$objformat" = elf && objformat=elf64
4167 YASMFLAGS="-f $objformat $yasm_extra"
4168 enabled pic && append YASMFLAGS "-DPIC"
4169 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4170 case "$objformat" in
4171 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4174 check_yasm "movbe ecx, [5]" && enable yasm ||
4175 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4176 check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx_external avresample
4177 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4178 check_yasm "CPU amdnop" && enable cpunop
4182 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4189 if enabled asm; then
4191 check_as <<EOF && enable gnu_as || \
4192 $nogas "GNU assembler not found, install gas-preprocessor"
4200 check_ldflags -Wl,--as-needed
4202 if check_func dlopen; then
4204 elif check_func dlopen -ldl; then
4208 if ! disabled network; then
4209 check_type "sys/types.h sys/socket.h" socklen_t
4210 check_type netdb.h "struct addrinfo"
4211 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4212 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4213 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4214 check_type netinet/in.h "struct sockaddr_in6"
4215 check_type poll.h "struct pollfd"
4216 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4217 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4218 check_type netinet/sctp.h "struct sctp_event_subscribe"
4219 check_func getaddrinfo $network_extralibs
4220 check_func getservbyport $network_extralibs
4221 # Prefer arpa/inet.h over winsock2
4222 if check_header arpa/inet.h ; then
4223 check_func closesocket
4224 elif check_header winsock2.h ; then
4225 check_func_headers winsock2.h closesocket -lws2 &&
4226 network_extralibs="-lws2" ||
4227 { check_func_headers winsock2.h closesocket -lws2_32 &&
4228 network_extralibs="-lws2_32"; }
4229 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4230 check_type ws2tcpip.h socklen_t
4231 check_type ws2tcpip.h "struct addrinfo"
4232 check_type ws2tcpip.h "struct group_source_req"
4233 check_type ws2tcpip.h "struct ip_mreq_source"
4234 check_type ws2tcpip.h "struct ipv6_mreq"
4235 check_type winsock2.h "struct pollfd"
4236 check_type ws2tcpip.h "struct sockaddr_in6"
4237 check_type ws2tcpip.h "struct sockaddr_storage"
4238 check_struct winsock2.h "struct sockaddr" sa_len
4244 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4245 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
4248 check_func clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
4251 check_func_headers stdlib.h getenv
4252 check_func gethrtime
4254 check_func getrusage
4255 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4256 check_func gettimeofday
4257 check_func inet_aton $network_extralibs
4259 check_func localtime_r
4260 check_func ${malloc_prefix}memalign && enable memalign
4264 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4265 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4266 check_func setrlimit
4267 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
4268 check_func strerror_r
4269 check_func sched_getaffinity
4270 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4271 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4272 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4273 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4274 check_builtin sarestart signal.h "SA_RESTART"
4278 check_func_headers conio.h kbhit
4279 check_func_headers windows.h PeekNamedPipe
4280 check_func_headers io.h setmode
4281 check_func_headers lzo/lzo1x.h lzo1x_999_compress
4282 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4283 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4284 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4285 check_func_headers windows.h GetProcessAffinityMask
4286 check_func_headers windows.h GetProcessTimes
4287 check_func_headers windows.h GetSystemTimeAsFileTime
4288 check_func_headers windows.h MapViewOfFile
4289 check_func_headers windows.h SetConsoleTextAttribute
4290 check_func_headers windows.h Sleep
4291 check_func_headers windows.h VirtualAlloc
4292 check_func_headers glob.h glob
4293 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
4295 check_header cl/cl.h
4296 check_header direct.h
4297 check_header dlfcn.h
4299 check_header dxva2api.h -D_WIN32_WINNT=0x0600
4301 check_header libcrystalhd/libcrystalhd_if.h
4302 check_header malloc.h
4304 check_header sys/mman.h
4305 check_header sys/param.h
4306 check_header sys/resource.h
4307 check_header sys/select.h
4308 check_header sys/time.h
4309 check_header sys/un.h
4310 check_header termios.h
4311 check_header unistd.h
4312 check_header vdpau/vdpau.h
4313 check_header vdpau/vdpau_x11.h
4314 check_header VideoDecodeAcceleration/VDADecoder.h
4315 check_header windows.h
4316 check_header X11/extensions/XvMClib.h
4317 check_header asm/types.h
4319 if ! disabled w32threads && ! enabled pthreads; then
4320 check_func_headers "windows.h process.h" _beginthreadex && enable w32threads
4323 # check for some common methods of building with pthread support
4324 # do this before the optional library checks as some of them require pthreads
4325 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
4327 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
4329 add_extralibs -pthread
4330 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
4331 add_cflags -pthreads
4332 add_extralibs -pthreads
4333 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
4334 add_extralibs -lpthreadGC2
4335 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
4337 elif ! check_func pthread_join && ! check_func pthread_create; then
4342 for thread in $THREADS_LIST; do
4343 if enabled $thread; then
4344 test -n "$thread_type" &&
4345 die "ERROR: Only one thread type must be selected." ||
4346 thread_type="$thread"
4350 if enabled pthreads; then
4351 check_func pthread_cancel
4354 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4355 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4357 enabled sync_val_compare_and_swap && enable atomics_gcc
4358 enabled_all atomic_cas_ptr machine_rw_barrier && enable atomics_suncc
4359 enabled MemoryBarrier && enable atomics_win32
4361 check_lib math.h sin -lm && LIBM="-lm"
4362 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
4368 for func in $MATH_FUNCS; do
4369 eval check_mathfunc $func \${${func}_args:-1}
4372 # these are off by default, so fail if requested and not available
4373 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
4374 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
4375 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
4376 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4377 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4378 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4379 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
4380 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
4381 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
4382 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
4383 enabled libbluray && require libbluray libbluray/bluray.h bd_open -lbluray
4384 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
4385 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
4386 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
4387 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
4388 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4389 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
4390 flite_libs="-lflite_cmu_time_awb -lflite_cmu_us_awb -lflite_cmu_us_kal -lflite_cmu_us_kal16 -lflite_cmu_us_rms -lflite_cmu_us_slt -lflite_usenglish -lflite_cmulex -lflite"
4391 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
4392 enabled libfreetype && require_libfreetype
4393 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
4394 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4395 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4396 done || die "ERROR: libgsm not found"; }
4397 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4398 enabled libmodplug && require libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
4399 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4400 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
4401 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4402 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4403 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
4404 enabled libopenjpeg && { check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg ||
4405 check_lib openjpeg.h opj_version -lopenjpeg ||
4406 die "ERROR: libopenjpeg not found"; }
4407 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4408 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4409 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
4410 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4411 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4412 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
4413 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
4414 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
4415 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
4416 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
4417 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
4418 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
4419 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4420 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
4421 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
4422 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
4423 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
4424 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
4425 enabled libvidstab && require_pkg_config vidstab vid.stab/libvidstab.h vsMotionDetectInit
4426 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4427 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4428 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4430 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
4431 die "ERROR: libvpx decoder version must be >=0.9.1"; }
4432 enabled libvpx_vp8_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
4433 die "ERROR: libvpx encoder version must be >=0.9.7"; }
4434 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
4435 enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_SVC" -lvpx || disable libvpx_vp9_encoder; } }
4436 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4437 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
4438 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4439 die "ERROR: libx264 must be installed and version must be >= 0.118."; }
4440 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
4441 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4442 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
4443 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
4444 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
4445 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
4446 die "ERROR: openal not found"; } &&
4447 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
4448 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
4449 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
4450 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
4451 die "ERROR: opencl not found"; } &&
4452 { ! enabled_any w32threads os2threads ||
4453 die "opencl currently needs --enable-pthreads or --disable-w32threads"; } &&
4454 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
4455 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
4456 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
4457 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4458 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4459 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4460 die "ERROR: openssl not found"; }
4462 if enabled gnutls; then
4463 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
4464 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
4468 if enabled libdc1394; then
4469 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
4470 enable libdc1394_2; } ||
4471 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
4472 enable libdc1394_1; } ||
4473 die "ERROR: No version of libdc1394 found "
4476 SDL_CONFIG="${cross_prefix}sdl-config"
4477 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
4478 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4479 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4482 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
4483 sdl_cflags=$("${SDL_CONFIG}" --cflags)
4484 sdl_libs=$("${SDL_CONFIG}" --libs)
4485 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
4486 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4487 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4491 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
4493 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
4494 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
4495 perl -v > /dev/null 2>&1 && enable perl || disable perl
4496 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
4497 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
4499 check_header linux/fb.h
4500 check_header linux/videodev.h
4501 check_header linux/videodev2.h
4502 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
4504 check_header sys/videoio.h
4506 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
4507 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
4508 # w32api 3.12 had it defined wrong
4509 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
4511 check_type "dshow.h" IBaseFilter
4513 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
4514 { check_header dev/bktr/ioctl_meteor.h &&
4515 check_header dev/bktr/ioctl_bt848.h; } ||
4516 { check_header machine/ioctl_meteor.h &&
4517 check_header machine/ioctl_bt848.h; } ||
4518 { check_header dev/video/meteor/ioctl_meteor.h &&
4519 check_header dev/video/bktr/ioctl_bt848.h; } ||
4520 check_header dev/ic/bt8xx.h
4522 check_header sndio.h
4523 if check_struct sys/soundcard.h audio_buf_info bytes; then
4524 enable_safe sys/soundcard.h
4526 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
4527 #include <sys/soundcard.h>
4531 check_header soundcard.h
4533 enabled_any alsa_indev alsa_outdev &&
4534 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
4536 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
4537 check_func jack_port_get_latency_range -ljack
4539 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
4541 if enabled libcdio; then
4542 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4543 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4544 die "ERROR: libcdio-paranoia not found"
4547 check_lib X11/Xlib.h XOpenDisplay -lX11 && enable xlib
4550 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
4551 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes &&
4552 { enabled xlib || die "ERROR: Xlib not found"; }
4555 check_lib va/va.h vaInitialize -lva ||
4559 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
4562 enabled vdpau && enabled xlib &&
4563 check_lib2 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
4566 # Funny iconv installations are not unusual, so check it after all flags have been set
4567 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
4569 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
4571 # add some useful compiler flags if supported
4572 check_cflags -Wdeclaration-after-statement
4574 check_cflags -Wdisabled-optimization
4575 check_cflags -Wpointer-arith
4576 check_cflags -Wredundant-decls
4577 check_cflags -Wwrite-strings
4578 check_cflags -Wtype-limits
4579 check_cflags -Wundef
4580 check_cflags -Wmissing-prototypes
4581 check_cflags -Wno-pointer-to-int-cast
4582 check_cflags -Wstrict-prototypes
4583 enabled extra_warnings && check_cflags -Winline
4585 check_disable_warning(){
4586 warning_flag=-W${1#-Wno-}
4587 test_cflags $warning_flag && add_cflags $1
4590 check_disable_warning -Wno-parentheses
4591 check_disable_warning -Wno-switch
4592 check_disable_warning -Wno-format-zero-length
4593 check_disable_warning -Wno-pointer-sign
4595 # add some linker flags
4596 check_ldflags -Wl,--warn-common
4597 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
4598 enabled rpath && add_ldflags -Wl,-rpath=$libdir
4599 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
4601 # add some strip flags
4602 # -wN '..@*' is more selective than -x, but not available everywhere.
4603 check_stripflags -wN \'..@*\' || check_stripflags -x
4605 enabled xmm_clobber_test &&
4606 check_ldflags -Wl,--wrap,avcodec_open2 \
4607 -Wl,--wrap,avcodec_decode_audio4 \
4608 -Wl,--wrap,avcodec_decode_video2 \
4609 -Wl,--wrap,avcodec_decode_subtitle2 \
4610 -Wl,--wrap,avcodec_encode_audio2 \
4611 -Wl,--wrap,avcodec_encode_video \
4612 -Wl,--wrap,avcodec_encode_video2 \
4613 -Wl,--wrap,avcodec_encode_subtitle \
4614 -Wl,--wrap,sws_scale ||
4615 disable xmm_clobber_test
4618 if test_ldflags -Wl,--version-script,$TMPV; then
4619 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
4620 check_cc <<EOF && enable symver_asm_label
4621 void ff_foo(void) __asm__ ("av_foo@VERSION");
4622 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
4624 check_cc <<EOF && enable symver_gnu_asm
4625 __asm__(".symver ff_foo,av_foo@VERSION");
4626 void ff_foo(void) {}
4630 if [ -z "$optflags" ]; then
4631 if enabled small; then
4632 optflags=$cflags_size
4633 elif enabled optimizations; then
4634 optflags=$cflags_speed
4636 optflags=$cflags_noopt
4642 enabled lto && check_ldflags "$@"
4646 if enabled lto; then
4647 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
4649 check_ldflags -flto $cpuflags
4652 check_optflags $optflags
4653 check_optflags -fno-math-errno
4654 check_optflags -fno-signed-zeros
4656 enabled ftrapv && check_cflags -ftrapv
4658 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
4663 if enabled icc; then
4664 # Just warnings, no remarks
4666 # -wd: Disable following warnings
4667 # 144, 167, 556: -Wno-pointer-sign
4668 # 188: enumerated type mixed with another type
4669 # 1292: attribute "foo" ignored
4670 # 1419: external declaration in primary source file
4671 # 10006: ignoring unknown option -fno-signed-zeros
4672 # 10148: ignoring unknown option -Wno-parentheses
4673 # 10156: ignoring option '-W'; no argument required
4674 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156
4675 # 11030: Warning unknown option --as-needed
4676 # 10156: ignoring option '-export'; no argument required
4677 check_ldflags -wd10156,11030
4678 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
4679 enable ebp_available
4680 if enabled x86_32; then
4681 icc_version=$($cc -dumpversion)
4682 test ${icc_version%%.*} -ge 11 &&
4683 check_cflags -falign-stack=maintain-16-byte ||
4684 disable aligned_stack
4686 elif enabled ccc; then
4687 # disable some annoying warnings
4688 add_cflags -msg_disable bitnotint
4689 add_cflags -msg_disable mixfuncvoid
4690 add_cflags -msg_disable nonstandcast
4691 add_cflags -msg_disable unsupieee
4692 elif enabled gcc; then
4693 check_optflags -fno-tree-vectorize
4694 check_cflags -Werror=implicit-function-declaration
4695 check_cflags -Werror=missing-prototypes
4696 check_cflags -Werror=return-type
4697 check_cflags -Werror=vla
4698 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
4699 elif enabled llvm_gcc; then
4700 check_cflags -mllvm -stack-alignment=16
4701 elif enabled clang; then
4702 check_cflags -mllvm -stack-alignment=16
4703 check_cflags -Qunused-arguments
4704 check_cflags -Werror=implicit-function-declaration
4705 check_cflags -Werror=missing-prototypes
4706 check_cflags -Werror=return-type
4707 elif enabled cparser; then
4708 add_cflags -Wno-missing-variable-declarations
4709 add_cflags -Wno-empty-statement
4710 elif enabled armcc; then
4711 # 2523: use of inline assembler is deprecated
4712 add_cflags -W${armcc_opt},--diag_suppress=2523
4713 add_cflags -W${armcc_opt},--diag_suppress=1207
4714 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
4715 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
4716 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
4717 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
4718 elif enabled tms470; then
4719 add_cflags -pds=824 -pds=837
4721 elif enabled pathscale; then
4722 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
4723 elif enabled_any msvc icl; then
4724 enabled x86_32 && disable aligned_stack
4725 enabled_all x86_32 debug && add_cflags -Oy-
4726 enabled debug && add_ldflags -debug
4727 enable pragma_deprecated
4728 if enabled icl; then
4729 # -Qansi-alias is basically -fstrict-aliasing, but does not work
4730 # (correctly) on icl 13.x.
4731 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
4732 add_cflags -Qansi-alias
4733 # icl will pass the inline asm tests but inline asm is currently
4734 # not supported (build will fail)
4735 disabled inline_asm || warn "inline asm disabled due to issues with it in ICL"
4742 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
4745 add_cppflags -Dmain=plan9_main
4749 enable frame_thread_encoder
4750 enabled_any $THREADS_LIST && enable threads
4751 enabled_any $ATOMICS_LIST && enable atomics_native
4753 enabled threads && ! enabled pthreads && ! enabled atomics_native && die "non pthread threading without atomics not supported, try adding --enable-pthreads or --cpu=i486 or higher if you are on x86"
4755 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
4757 check_deps $CONFIG_LIST \
4763 if test $target_os = "haiku"; then
4765 disable posix_memalign
4768 ! enabled_any memalign posix_memalign aligned_malloc &&
4769 enabled_any $need_memalign && enable memalign_hack
4772 # -> enable ${lib}_deps_${dep}
4773 # -> add $dep to ${lib}_deps only once
4777 enabled "${lib}_deps_${dep}" && return 0
4778 enable "${lib}_deps_${dep}"
4779 prepend "${lib}_deps" $dep
4782 # merge deps lib components
4783 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
4788 enabled $comp || continue
4789 eval "dep=\"\$${comp}_deps\""
4796 merge_deps libavfilter $FILTER_LIST
4798 echo "install prefix $prefix"
4799 echo "source path $source_path"
4800 echo "C compiler $cc"
4801 echo "C library $libc_type"
4802 if test "$host_cc" != "$cc"; then
4803 echo "host C compiler $host_cc"
4804 echo "host C library $host_libc_type"
4806 echo "ARCH $arch ($cpu)"
4807 if test "$build_suffix" != ""; then
4808 echo "build suffix $build_suffix"
4810 if test "$progs_suffix" != ""; then
4811 echo "progs suffix $progs_suffix"
4813 if test "$extra_version" != ""; then
4814 echo "version string suffix $extra_version"
4816 echo "big-endian ${bigendian-no}"
4817 echo "runtime cpu detection ${runtime_cpudetect-no}"
4818 if enabled x86; then
4819 echo "${yasmexe} ${yasm-no}"
4820 echo "MMX enabled ${mmx-no}"
4821 echo "MMXEXT enabled ${mmxext-no}"
4822 echo "3DNow! enabled ${amd3dnow-no}"
4823 echo "3DNow! extended enabled ${amd3dnowext-no}"
4824 echo "SSE enabled ${sse-no}"
4825 echo "SSSE3 enabled ${ssse3-no}"
4826 echo "AVX enabled ${avx-no}"
4827 echo "FMA4 enabled ${fma4-no}"
4828 echo "i686 features enabled ${i686-no}"
4829 echo "CMOV is fast ${fast_cmov-no}"
4830 echo "EBX available ${ebx_available-no}"
4831 echo "EBP available ${ebp_available-no}"
4833 if enabled arm; then
4834 echo "ARMv5TE enabled ${armv5te-no}"
4835 echo "ARMv6 enabled ${armv6-no}"
4836 echo "ARMv6T2 enabled ${armv6t2-no}"
4837 echo "VFP enabled ${vfp-no}"
4838 echo "NEON enabled ${neon-no}"
4839 echo "THUMB enabled ${thumb-no}"
4841 if enabled mips; then
4842 echo "MIPS FPU enabled ${mipsfpu-no}"
4843 echo "MIPS32R2 enabled ${mips32r2-no}"
4844 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
4845 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
4847 if enabled ppc; then
4848 echo "AltiVec enabled ${altivec-no}"
4849 echo "PPC 4xx optimizations ${ppc4xx-no}"
4850 echo "dcbzl available ${dcbzl-no}"
4852 if enabled sparc; then
4853 echo "VIS enabled ${vis-no}"
4855 echo "debug symbols ${debug-no}"
4856 echo "strip symbols ${stripping-no}"
4857 echo "optimize for size ${small-no}"
4858 echo "optimizations ${optimizations-no}"
4859 echo "static ${static-no}"
4860 echo "shared ${shared-no}"
4861 echo "postprocessing support ${postproc-no}"
4862 echo "new filter support ${avfilter-no}"
4863 echo "network support ${network-no}"
4864 echo "threading support ${thread_type-no}"
4865 echo "safe bitstream reader ${safe_bitstream_reader-no}"
4866 echo "SDL support ${sdl-no}"
4867 echo "opencl enabled ${opencl-no}"
4868 echo "libzvbi enabled ${libzvbi-no}"
4869 echo "texi2html enabled ${texi2html-no}"
4870 echo "perl enabled ${perl-no}"
4871 echo "pod2man enabled ${pod2man-no}"
4872 echo "makeinfo enabled ${makeinfo-no}"
4873 test -n "$random_seed" &&
4874 echo "random seed ${random_seed}"
4877 echo "External libraries:"
4878 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
4881 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4882 echo "Enabled ${type}s:"
4883 eval list=\$$(toupper $type)_LIST
4884 print_enabled '_*' $list | print_3_columns
4888 license="LGPL version 2.1 or later"
4889 if enabled nonfree; then
4890 license="nonfree and unredistributable"
4891 elif enabled gplv3; then
4892 license="GPL version 3 or later"
4893 elif enabled lgplv3; then
4894 license="LGPL version 3 or later"
4895 elif enabled gpl; then
4896 license="GPL version 2 or later"
4899 echo "License: $license"
4901 echo "Creating config.mak, config.h, and doc/config.texi..."
4903 test -e Makefile || echo "include $source_path/Makefile" > Makefile
4905 enabled stripping || strip="echo skipping strip"
4907 config_files="$TMPH config.mak doc/config.texi"
4909 cat > config.mak <<EOF
4910 # Automatically generated by configure - do not modify!
4911 ifndef FFMPEG_CONFIG_MAK
4913 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
4915 LIBDIR=\$(DESTDIR)$libdir
4916 SHLIBDIR=\$(DESTDIR)$shlibdir
4917 INCDIR=\$(DESTDIR)$incdir
4918 BINDIR=\$(DESTDIR)$bindir
4919 DATADIR=\$(DESTDIR)$datadir
4920 DOCDIR=\$(DESTDIR)$docdir
4921 MANDIR=\$(DESTDIR)$mandir
4922 SRC_PATH=$source_path
4923 ifndef MAIN_MAKEFILE
4924 SRC_PATH:=\$(SRC_PATH:.%=..%)
4933 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
4935 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
4963 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
4964 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
4965 YASMFLAGS=$YASMFLAGS
4966 BUILDSUF=$build_suffix
4967 PROGSSUF=$progs_suffix
4975 EXTRA_VERSION=$extra_version
4978 CCDEP_FLAGS=$CCDEP_FLAGS
4980 ASDEP_FLAGS=$ASDEP_FLAGS
4981 CC_DEPFLAGS=$CC_DEPFLAGS
4982 AS_DEPFLAGS=$AS_DEPFLAGS
4985 HOSTCFLAGS=$host_cflags
4986 HOSTCPPFLAGS=$host_cppflags
4987 HOSTEXESUF=$HOSTEXESUF
4988 HOSTLDFLAGS=$host_ldflags
4991 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
4992 HOSTCCDEP=$HOSTCCDEP
4993 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
4994 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
4998 TARGET_EXEC=$target_exec $target_exec_args
4999 TARGET_PATH=$target_path
5000 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
5001 LIBS-ffplay=$sdl_libs
5002 CFLAGS-ffplay=$sdl_cflags
5003 ZLIB=$($ldflags_filter -lz)
5004 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
5005 EXTRALIBS=$extralibs
5006 COMPAT_OBJS=$compat_objs
5009 LIBTARGET=${LIBTARGET}
5010 SLIBNAME=${SLIBNAME}
5011 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
5012 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
5013 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
5014 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
5015 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
5016 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
5017 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
5018 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
5019 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
5020 NOREDZONE_FLAGS=$noredzone_flags
5025 name=$(toupper $lcname)
5026 file=$source_path/$lcname/version.h
5027 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
5028 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
5029 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
5030 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
5031 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
5034 map 'get_version $v' $LIBRARY_LIST
5037 /* Automatically generated by configure - do not modify! */
5038 #ifndef FFMPEG_CONFIG_H
5039 #define FFMPEG_CONFIG_H
5040 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
5041 #define FFMPEG_LICENSE "$(c_escape $license)"
5042 #define CONFIG_THIS_YEAR 2013
5043 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
5044 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
5045 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
5046 #define av_restrict $_restrict
5047 #define EXTERN_PREFIX "${extern_prefix}"
5048 #define EXTERN_ASM ${extern_prefix}
5049 #define BUILDSUF "$build_suffix"
5050 #define SLIBSUF "$SLIBSUF"
5051 #define HAVE_MMX2 HAVE_MMXEXT
5054 test -n "$assert_level" &&
5055 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
5057 test -n "$malloc_prefix" &&
5058 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
5060 if enabled yasm; then
5061 append config_files $TMPASM
5065 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
5069 echo "@c auto-generated by configure" > doc/config.texi
5071 print_config ARCH_ "$config_files" $ARCH_LIST
5072 print_config HAVE_ "$config_files" $HAVE_LIST
5073 print_config CONFIG_ "$config_files" $CONFIG_LIST \
5077 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
5078 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
5080 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
5081 cp_if_changed $TMPH config.h
5084 enabled yasm && cp_if_changed $TMPASM config.asm
5087 /* Generated by ffconf */
5088 #ifndef AVUTIL_AVCONFIG_H
5089 #define AVUTIL_AVCONFIG_H
5092 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
5094 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
5096 cp_if_changed $TMPH libavutil/avconfig.h
5098 if test -n "$WARNINGS"; then
5099 printf "\n$WARNINGS"
5100 enabled fatal_warnings && exit 1
5103 # build pkg-config files
5105 pkgconfig_generate(){
5107 shortname=${name#lib}${build_suffix}
5112 enabled ${name#lib} || return 0
5114 cat <<EOF > $name/$name${build_suffix}.pc
5116 exec_prefix=\${prefix}
5121 Description: $comment
5123 Requires: $(enabled shared || echo $requires)
5124 Requires.private: $(enabled shared && echo $requires)
5126 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
5127 Libs.private: $(enabled shared && echo $libs)
5128 Cflags: -I\${includedir}
5131 mkdir -p doc/examples/pc-uninstalled
5132 includedir=${source_path}
5133 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
5134 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
5137 libdir=\${pcfiledir}/../../../$name
5138 includedir=${includedir}
5141 Description: $comment
5145 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
5146 Cflags: -I\${includedir}
5150 lavfi_libs="libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5151 enabled libavfilter_deps_avcodec && prepend lavfi_libs "libavcodec${build_suffix} = $LIBAVCODEC_VERSION,"
5152 enabled libavfilter_deps_avformat && prepend lavfi_libs "libavformat${build_suffix} = $LIBAVFORMAT_VERSION,"
5153 enabled libavfilter_deps_avresample && prepend lavfi_libs "libavresample${build_suffix} = $LIBAVRESAMPLE_VERSION,"
5154 enabled libavfilter_deps_swscale && prepend lavfi_libs "libswscale${build_suffix} = $LIBSWSCALE_VERSION,"
5155 enabled libavfilter_deps_swresample && prepend lavfi_libs "libswresample${build_suffix} = $LIBSWRESAMPLE_VERSION,"
5156 enabled libavfilter_deps_postproc && prepend lavfi_libs "libpostproc${build_suffix} = $LIBPOSTPROC_VERSION,"
5157 lavfi_libs=${lavfi_libs%, }
5159 lavd_libs="libavformat${build_suffix} = $LIBAVFORMAT_VERSION"
5160 enabled lavfi_indev && prepend lavd_libs "libavfilter${build_suffix} = $LIBAVFILTER_VERSION,"
5162 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
5163 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5164 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec${build_suffix} = $LIBAVCODEC_VERSION"
5165 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$lavd_libs"
5166 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$lavfi_libs"
5167 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5168 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5169 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5170 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil${build_suffix} = $LIBAVUTIL_VERSION"
5172 fix_ffmpeg_remote(){
5175 fixme_remote=$(git --git-dir=$source_path/.git --work-tree=$source_path remote -v | grep $git_remote_from | cut -f 1 | sort | uniq)
5176 if [ "$fixme_remote" != "" ]; then
5178 Outdated domain in git config, the official domain for ffmpeg git is since
5179 November 2011, source.ffmpeg.org, both the old and the new point to the same
5180 repository and server. To update it enter the following commands:
5182 for remote in $fixme_remote; do
5183 echolog "git remote set-url $remote $git_remote_to"
5188 if test -f "$source_path/.git/config"; then
5189 remote_from=git.videolan.org
5190 remote_to=source.ffmpeg.org
5191 fix_ffmpeg_remote git@$remote_from:ffmpeg git@$remote_to:ffmpeg
5192 fix_ffmpeg_remote git://$remote_from/ffmpeg git://$remote_to/ffmpeg