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 [LIBDIR]
88 --incdir=DIR install includes in DIR [PREFIX/include]
89 --mandir=DIR install man page in DIR [PREFIX/share/man]
90 --pkgconfigdir=DIR install pkg-config files in DIR [LIBDIR/pkgconfig]
91 --enable-rpath use rpath to allow installing libraries in paths
92 not part of the dynamic linker search path
93 use rpath when linking programs [USE WITH CARE]
96 --enable-gpl allow use of GPL code, the resulting libs
97 and binaries will be under GPL [no]
98 --enable-version3 upgrade (L)GPL to version 3 [no]
99 --enable-nonfree allow use of nonfree code, the resulting libs
100 and binaries will be unredistributable [no]
102 Configuration options:
103 --disable-static do not build static libraries [no]
104 --enable-shared build shared libraries [no]
105 --enable-small optimize for size instead of speed
106 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
107 --enable-gray enable full grayscale support (slower color)
108 --disable-swscale-alpha disable alpha channel support in swscale
109 --disable-all disable building components, libraries and programs
110 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
111 --enable-raise-major increase major version numbers in sonames [no]
114 --disable-programs do not build command line programs
115 --disable-ffmpeg disable ffmpeg build
116 --disable-ffplay disable ffplay build
117 --disable-ffprobe disable ffprobe build
118 --disable-ffserver disable ffserver build
120 Documentation options:
121 --disable-doc do not build documentation
122 --disable-htmlpages do not build HTML documentation pages
123 --disable-manpages do not build man documentation pages
124 --disable-podpages do not build POD documentation pages
125 --disable-txtpages do not build text documentation pages
128 --disable-avdevice disable libavdevice build
129 --disable-avcodec disable libavcodec build
130 --disable-avformat disable libavformat build
131 --disable-avutil disable libavutil build
132 --disable-swresample disable libswresample build
133 --disable-swscale disable libswscale build
134 --disable-postproc disable libpostproc build
135 --disable-avfilter disable libavfilter build
136 --enable-avresample enable libavresample build [no]
137 --disable-pthreads disable pthreads [autodetect]
138 --disable-w32threads disable Win32 threads [autodetect]
139 --disable-os2threads disable OS/2 threads [autodetect]
140 --disable-network disable network support [no]
141 --disable-dct disable DCT code
142 --disable-dwt disable DWT code
143 --disable-error-resilience disable error resilience code
144 --disable-lsp disable LSP code
145 --disable-lzo disable LZO decoder code
146 --disable-mdct disable MDCT code
147 --disable-rdft disable RDFT code
148 --disable-fft disable FFT code
149 --disable-faan disable floating point AAN (I)DCT code
150 --disable-pixelutils disable pixel utils in libavutil
152 Hardware accelerators:
153 --disable-d3d11va disable D3D11VA code [autodetect]
154 --disable-dxva2 disable DXVA2 code [autodetect]
155 --disable-vaapi disable VAAPI code [autodetect]
156 --disable-vda disable VDA code [autodetect]
157 --disable-vdpau disable VDPAU code [autodetect]
159 Individual component options:
160 --disable-everything disable all components listed below
161 --disable-encoder=NAME disable encoder NAME
162 --enable-encoder=NAME enable encoder NAME
163 --disable-encoders disable all encoders
164 --disable-decoder=NAME disable decoder NAME
165 --enable-decoder=NAME enable decoder NAME
166 --disable-decoders disable all decoders
167 --disable-hwaccel=NAME disable hwaccel NAME
168 --enable-hwaccel=NAME enable hwaccel NAME
169 --disable-hwaccels disable all hwaccels
170 --disable-muxer=NAME disable muxer NAME
171 --enable-muxer=NAME enable muxer NAME
172 --disable-muxers disable all muxers
173 --disable-demuxer=NAME disable demuxer NAME
174 --enable-demuxer=NAME enable demuxer NAME
175 --disable-demuxers disable all demuxers
176 --enable-parser=NAME enable parser NAME
177 --disable-parser=NAME disable parser NAME
178 --disable-parsers disable all parsers
179 --enable-bsf=NAME enable bitstream filter NAME
180 --disable-bsf=NAME disable bitstream filter NAME
181 --disable-bsfs disable all bitstream filters
182 --enable-protocol=NAME enable protocol NAME
183 --disable-protocol=NAME disable protocol NAME
184 --disable-protocols disable all protocols
185 --enable-indev=NAME enable input device NAME
186 --disable-indev=NAME disable input device NAME
187 --disable-indevs disable input devices
188 --enable-outdev=NAME enable output device NAME
189 --disable-outdev=NAME disable output device NAME
190 --disable-outdevs disable output devices
191 --disable-devices disable all devices
192 --enable-filter=NAME enable filter NAME
193 --disable-filter=NAME disable filter NAME
194 --disable-filters disable all filters
196 External library support:
197 --enable-avisynth enable reading of AviSynth script files [no]
198 --disable-bzlib disable bzlib [autodetect]
199 --enable-fontconfig enable fontconfig, useful for drawtext filter [no]
200 --enable-frei0r enable frei0r video filtering [no]
201 --enable-gnutls enable gnutls, needed for https support
202 if openssl is not used [no]
203 --disable-iconv disable iconv [autodetect]
204 --enable-ladspa enable LADSPA audio filtering [no]
205 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
206 --enable-libass enable libass subtitles rendering,
207 needed for subtitles and ass filter [no]
208 --enable-libbluray enable BluRay reading using libbluray [no]
209 --enable-libbs2b enable bs2b DSP library [no]
210 --enable-libcaca enable textual display using libcaca [no]
211 --enable-libcelt enable CELT decoding via libcelt [no]
212 --enable-libcdio enable audio CD grabbing with libcdio [no]
213 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
215 --enable-libdcadec enable DCA decoding via libdcadec [no]
216 --enable-libfaac enable AAC encoding via libfaac [no]
217 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
218 --enable-libflite enable flite (voice synthesis) support via libflite [no]
219 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
220 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
221 --enable-libgme enable Game Music Emu via libgme [no]
222 --enable-libgsm enable GSM de/encoding via libgsm [no]
223 --enable-libiec61883 enable iec61883 via libiec61883 [no]
224 --enable-libilbc enable iLBC de/encoding via libilbc [no]
225 --enable-libkvazaar enable HEVC encoding via libkvazaar [no]
226 --enable-libmfx enable HW acceleration through libmfx
227 --enable-libmodplug enable ModPlug via libmodplug [no]
228 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
229 --enable-libnut enable NUT (de)muxing via libnut,
230 native (de)muxer exists [no]
231 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
232 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
233 --enable-libopencv enable video filtering via libopencv [no]
234 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
235 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
236 --enable-libopus enable Opus de/encoding via libopus [no]
237 --enable-libpulse enable Pulseaudio input via libpulse [no]
238 --enable-libquvi enable quvi input via libquvi [no]
239 --enable-librtmp enable RTMP[E] support via librtmp [no]
240 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
241 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
242 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
243 --enable-libsnappy enable Snappy compression, needed for hap encoding [no]
244 --enable-libsoxr enable Include libsoxr resampling [no]
245 --enable-libspeex enable Speex de/encoding via libspeex [no]
246 --enable-libssh enable SFTP protocol via libssh [no]
247 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
248 --enable-libtheora enable Theora encoding via libtheora [no]
249 --enable-libtwolame enable MP2 encoding via libtwolame [no]
250 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
251 --enable-libv4l2 enable libv4l2/v4l-utils [no]
252 --enable-libvidstab enable video stabilization using vid.stab [no]
253 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
254 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
255 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
256 native implementation exists [no]
257 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
258 --enable-libwavpack enable wavpack encoding via libwavpack [no]
259 --enable-libwebp enable WebP encoding via libwebp [no]
260 --enable-libx264 enable H.264 encoding via x264 [no]
261 --enable-libx265 enable HEVC encoding via x265 [no]
262 --enable-libxavs enable AVS encoding via xavs [no]
263 --enable-libxcb enable X11 grabbing using XCB [autodetect]
264 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
265 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
266 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
267 --enable-libxvid enable Xvid encoding via xvidcore,
268 native MPEG-4/Xvid encoder exists [no]
269 --enable-libzmq enable message passing via libzmq [no]
270 --enable-libzvbi enable teletext support via libzvbi [no]
271 --disable-lzma disable lzma [autodetect]
272 --enable-decklink enable Blackmagick DeckLink I/O support [no]
273 --enable-mmal enable decoding via MMAL [no]
274 --enable-nvenc enable NVIDIA NVENC support [no]
275 --enable-openal enable OpenAL 1.1 capture support [no]
276 --enable-opencl enable OpenCL code
277 --enable-opengl enable OpenGL rendering [no]
278 --enable-openssl enable openssl, needed for https support
279 if gnutls is not used [no]
280 --disable-sdl disable sdl [autodetect]
281 --disable-securetransport disable Secure Transport, needed for TLS support
282 on OSX if openssl and gnutls are not used [autodetect]
283 --enable-x11grab enable X11 grabbing (legacy) [no]
284 --disable-xlib disable xlib [autodetect]
285 --disable-zlib disable zlib [autodetect]
288 --arch=ARCH select architecture [$arch]
289 --cpu=CPU select the minimum required CPU (affects
290 instruction selection, may crash on older CPUs)
291 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
292 --progs-suffix=SUFFIX program name suffix []
293 --enable-cross-compile assume a cross-compiler is used
294 --sysroot=PATH root of cross-build tree
295 --sysinclude=PATH location of cross-build system headers
296 --target-os=OS compiler targets OS [$target_os]
297 --target-exec=CMD command to run executables on target
298 --target-path=DIR path to view of build directory on target
299 --target-samples=DIR path to samples directory on target
300 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
301 --toolchain=NAME set tool defaults according to NAME
302 --nm=NM use nm tool NM [$nm_default]
303 --ar=AR use archive tool AR [$ar_default]
304 --as=AS use assembler AS [$as_default]
305 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
306 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
307 --cc=CC use C compiler CC [$cc_default]
308 --cxx=CXX use C compiler CXX [$cxx_default]
309 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
310 --ld=LD use linker LD [$ld_default]
311 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
312 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
313 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
314 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
315 --host-cc=HOSTCC use host C compiler HOSTCC
316 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
317 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
318 --host-ld=HOSTLD use host linker HOSTLD
319 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
320 --host-libs=HLIBS use libs HLIBS when linking for host
321 --host-os=OS compiler host OS [$target_os]
322 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
323 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
324 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
325 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
326 --extra-ldlibflags=ELDFLAGS add ELDFLAGS to LDLIBFLAGS [$LDLIBFLAGS]
327 --extra-libs=ELIBS add ELIBS [$ELIBS]
328 --extra-version=STRING version string suffix []
329 --optflags=OPTFLAGS override optimization-related compiler flags
330 --build-suffix=SUFFIX library name suffix []
331 --enable-pic build position-independent code
332 --enable-thumb compile for Thumb instruction set
333 --enable-lto use link-time optimization
334 --env="ENV=override" override the environment variables
336 Advanced options (experts only):
337 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
338 --disable-symver disable symbol versioning
339 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
340 --disable-safe-bitstream-reader
341 disable buffer boundary checking in bitreaders
342 (faster, but may crash)
343 --enable-memalign-hack emulate memalign, interferes with memory debuggers
344 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
346 Optimization options (experts only):
347 --disable-asm disable all assembly optimizations
348 --disable-altivec disable AltiVec optimizations
349 --disable-vsx disable VSX optimizations
350 --disable-power8 disable POWER8 optimizations
351 --disable-amd3dnow disable 3DNow! optimizations
352 --disable-amd3dnowext disable 3DNow! extended optimizations
353 --disable-mmx disable MMX optimizations
354 --disable-mmxext disable MMXEXT optimizations
355 --disable-sse disable SSE optimizations
356 --disable-sse2 disable SSE2 optimizations
357 --disable-sse3 disable SSE3 optimizations
358 --disable-ssse3 disable SSSE3 optimizations
359 --disable-sse4 disable SSE4 optimizations
360 --disable-sse42 disable SSE4.2 optimizations
361 --disable-avx disable AVX optimizations
362 --disable-xop disable XOP optimizations
363 --disable-fma3 disable FMA3 optimizations
364 --disable-fma4 disable FMA4 optimizations
365 --disable-avx2 disable AVX2 optimizations
366 --disable-armv5te disable armv5te optimizations
367 --disable-armv6 disable armv6 optimizations
368 --disable-armv6t2 disable armv6t2 optimizations
369 --disable-vfp disable VFP optimizations
370 --disable-neon disable NEON optimizations
371 --disable-inline-asm disable use of inline assembly
372 --disable-yasm disable use of nasm/yasm assembly
373 --disable-mips32r5 disable MIPS32R5 optimizations
374 --disable-mips64r6 disable MIPS64R6 optimizations
375 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
376 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
377 --disable-msa disable MSA optimizations
378 --disable-mipsfpu disable floating point MIPS optimizations
379 --disable-mmi disable Loongson SIMD optimizations
380 --disable-fast-unaligned consider unaligned accesses slow
382 Developer options (useful when working on FFmpeg itself):
383 --disable-debug disable debugging symbols
384 --enable-debug=LEVEL set the debug level [$debuglevel]
385 --disable-optimizations disable compiler optimizations
386 --enable-extra-warnings enable more compiler warnings
387 --disable-stripping disable stripping of executables and shared libraries
388 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
389 2 causes a slowdown at runtime.
390 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
391 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
392 leaks and errors, using the specified valgrind binary.
393 Cannot be combined with --target-exec
394 --enable-ftrapv Trap arithmetic overflows
395 --samples=PATH location of test samples for FATE, if not set use
396 \$FATE_SAMPLES at make invocation time.
397 --enable-neon-clobber-test check NEON registers for clobbering (should be
398 used only for debugging purposes)
399 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
400 should be used only for debugging purposes)
401 --enable-random randomly enable/disable components
403 --enable-random=LIST randomly enable/disable specific components or
404 --disable-random=LIST component groups. LIST is a comma-separated list
405 of NAME[:PROB] entries where NAME is a component
406 (group) and PROB the probability associated with
408 --random-seed=VALUE seed value for --enable/disable-random
409 --disable-valgrind-backtrace do not print a backtrace under Valgrind
410 (only applies to --disable-optimizations builds)
412 NOTE: Object files are built at the place where configure is launched.
420 echo "$@" >> $logfile
425 pr -n -t $1 >> $logfile
436 WARNINGS="${WARNINGS}WARNING: $*\n"
443 If you think configure made a mistake, make sure you are using the latest
444 version from Git. If the latest version fails, report the problem to the
445 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
447 if disabled logging; then
449 Rerun configure with logging enabled (do not use --disable-logging), and
450 include the log this produces with your report.
454 Include the log file "$logfile" produced by configure as this will help
461 # Avoid locale weirdness, besides we really just want to translate ASCII.
463 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
467 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
471 echo "$*" | sed 's/["\\]/\\\0/g'
475 v=$(echo "$1" | sed "s/'/'\\\\''/g")
476 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
481 echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
488 eval "case $v in $pat) echo $v ;; esac"
496 eval "case $v in $pat) ;; *) echo $v ;; esac"
503 for v; do eval $m; done
509 for v; do echo ${v}${suffix}; done
524 eval : \${$var:=$value}
529 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
535 eval $(sanitize_var_name "$var")='$*'
539 eval echo \$$(sanitize_var_name "$1")
544 eval level=\${${pvar}_level:=0}
545 eval ${pvar}_${level}="\$$pvar"
546 eval ${pvar}_level=$(($level+1))
552 eval level=\${${pvar}_level:-0}
553 test $level = 0 && continue
554 eval level=$(($level-1))
555 eval $pvar="\${${pvar}_${level}}"
556 eval ${pvar}_level=$level
557 eval unset ${pvar}_${level}
579 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
585 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
591 enabled $var && continue
592 eval sel="\$${var}_select"
593 eval sgs="\$${var}_suggest"
597 enable_deep_weak $sgs
609 disabled $var && continue
618 test "${1#!}" = "$1" && op== || op=!=
619 eval test "x\$${1#!}" $op "xyes"
623 test "${1#!}" = "$1" && op== || op=!=
624 eval test "x\$${1#!}" $op "xno"
629 enabled $opt || return 1
635 disabled $opt || return 1
641 enabled $opt && return 0
647 disabled $opt && return 0
654 eval : \${$opt:=\$${opt}_default}
662 [ $var = $value ] && return 0
670 enabled ${cfg}_checking && die "Circular dependency for $cfg."
671 disabled ${cfg}_checking && continue
672 enable ${cfg}_checking
675 eval dep_all="\$${cfg}_deps"
676 eval dep_any="\$${cfg}_deps_any"
677 eval dep_sel="\$${cfg}_select"
678 eval dep_sgs="\$${cfg}_suggest"
679 eval dep_ifa="\$${cfg}_if"
680 eval dep_ifn="\$${cfg}_if_any"
682 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
683 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
684 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
686 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
687 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
688 enabled_all $dep_all || disable $cfg
689 enabled_any $dep_any || disable $cfg
690 disabled_any $dep_sel && disable $cfg
692 if enabled $cfg; then
694 enable_deep_weak $dep_sgs
697 disable ${cfg}_checking
706 for cfg in $allopts; do
707 enabled $cfg || continue
708 eval dep_extralibs="\$${cfg}_extralibs"
709 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
717 map 'eval echo "$v \${$v:-no}"' "$@" |
718 awk "BEGIN { split(\"$files\", files) }
720 c = \"$pfx\" toupper(\$1);
726 if (file ~ /\\.h\$/) {
727 printf(\"#define %s %d\\n\", c, v) >>file;
728 } else if (file ~ /\\.asm\$/) {
729 printf(\"%%define %s %d\\n\", c, v) >>file;
730 } else if (file ~ /\\.mak\$/) {
731 n = -v ? \"\" : \"!\";
732 printf(\"%s%s=yes\\n\", n, c) >>file;
733 } else if (file ~ /\\.texi\$/) {
734 pre = -v ? \"\" : \"@c \";
737 gsub(/_/, \"-\", c2);
738 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
748 enabled $v && printf "%s\n" ${v%$suf};
755 eval "$var=\"\$$var $*\""
761 eval "$var=\"$* \$$var\""
767 for tok in $(eval echo \$$var); do
768 uniq_list="$(filter_out $tok $uniq_list) $tok"
770 eval "$var=\"${uniq_list}\""
778 append CFLAGS $($cflags_filter "$@")
782 append CXXFLAGS $($cflags_filter "$@")
786 append ASFLAGS $($asflags_filter "$@")
790 append LDFLAGS $($ldflags_filter "$@")
794 append LDEXEFLAGS $($ldflags_filter "$@")
798 append LDLIBFLAGS $($ldflags_filter "$@")
802 append ASMSTRIPFLAGS "$@"
806 prepend extralibs $($ldflags_filter "$@")
810 append host_cppflags "$@"
814 append host_cflags $($host_cflags_filter "$@")
818 append host_ldflags $($host_ldflags_filter "$@")
822 append compat_objs $1
824 map 'add_cppflags -D$v' "$@"
829 "$@" >> $logfile 2>&1
834 stat "$1" >> $logfile 2>&1
838 eval printf '%s\\n' $CC_O
842 eval printf '%s\\n' $CC_E
849 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
856 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
863 check_cmd $cc -Werror=missing-prototypes $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPM
870 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
874 eval printf '%s\\n' $AS_O
881 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
885 log check_inline_asm "$@"
890 check_cc "$@" <<EOF && enable $name
891 void foo(void){ __asm__ volatile($code); }
897 check_inline_asm ${1}_inline "\"$2\""
898 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
906 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
910 eval printf '%s\\n' $LD_O
917 flags=$(filter_out '-l*|*.so' $@)
918 libs=$(filter '-l*|*.so' $@)
919 check_$type $($cflags_filter $flags) || return
920 flags=$($ldflags_filter $flags)
921 libs=$($ldflags_filter $libs)
922 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
927 test "${hdr%.h}" = "${hdr}" &&
928 echo "#include $hdr" ||
929 echo "#include <$hdr>"
939 for hdr in $headers; do
942 echo "int main(void) { $code; return 0; }"
943 } | check_$check "$@"
947 log check_cppflags "$@"
948 check_cc "$@" <<EOF && append CPPFLAGS "$@"
955 set -- $($cflags_filter "$@")
962 log check_cflags "$@"
963 test_cflags "$@" && add_cflags "$@"
967 log check_cxxflags "$@"
968 set -- $($cflags_filter "$@")
969 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
975 log test_ldflags "$@"
976 check_ld "cc" "$@" <<EOF
977 int main(void){ return 0; }
982 log check_ldflags "$@"
983 test_ldflags "$@" && add_ldflags "$@"
987 log test_stripflags "$@"
988 # call check_cc to get a fresh TMPO
990 int main(void) { return 0; }
992 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
996 log check_stripflags "$@"
997 test_stripflags "$@" && add_stripflags "$@"
1001 log check_header "$@"
1004 disable_safe $header
1005 check_cpp "$@" <<EOF && enable_safe $header
1012 log check_header_oc "$@"
1016 disable_safe $header
1018 echo "#include <$header>"
1019 echo "int main(void) { return 0; }"
1020 } | check_oc && check_stat "$TMPO" && enable_safe $headers
1028 check_ld "cc" "$@" <<EOF && enable $func
1030 int main(void){ $func(); }
1035 log check_mathfunc "$@"
1039 test $narg = 2 && args="f, g" || args="f"
1041 check_ld "cc" "$@" <<EOF && enable $func
1043 float foo(float f, float g) { return $func($args); }
1044 int main(void){ return (int) foo; }
1048 check_func_headers(){
1049 log check_func_headers "$@"
1054 for hdr in $headers; do
1057 for func in $funcs; do
1058 echo "long check_$func(void) { return (long) $func; }"
1060 echo "int main(void) { return 0; }"
1061 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1064 check_class_headers_cpp(){
1065 log check_class_headers_cpp "$@"
1070 for hdr in $headers; do
1071 echo "#include <$hdr>"
1073 echo "int main(void) { "
1075 for class in $classes; do
1076 echo "$class obj$i;"
1080 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1083 check_cpp_condition(){
1084 log check_cpp_condition "$@"
1088 check_cpp "$@" <<EOF
1091 #error "unsatisfied condition: $condition"
1101 check_header $header && check_func $func "$@" && add_extralibs "$@"
1109 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1113 log check_lib_cpp "$@"
1117 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1121 log check_pkg_config "$@"
1127 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1128 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1129 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1130 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1131 set_safe "${pkg}_cflags" $pkg_cflags &&
1132 set_safe "${pkg}_libs" $pkg_libs
1136 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1142 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1143 # are safe but may not be available everywhere. Thus we use
1144 # raise(SIGTERM) instead. The check is run in a subshell so we
1145 # can redirect the "Terminated" message from the shell. SIGBUS
1146 # is not defined by standard C so it is used conditionally.
1148 (check_exec "$@") >> $logfile 2>&1 <<EOF
1150 static void sighandler(int sig){
1156 int (*func_ptr)(void) = foo;
1158 signal(SIGILL, sighandler);
1159 signal(SIGFPE, sighandler);
1160 signal(SIGSEGV, sighandler);
1162 signal(SIGBUS, sighandler);
1174 disable_safe "$type"
1175 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1179 log check_struct "$@"
1184 disable_safe "${struct}_${member}"
1185 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1186 enable_safe "${struct}_${member}"
1190 log check_builtin "$@"
1196 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1199 check_compile_assert(){
1200 log check_compile_assert "$@"
1206 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1214 check_lib $header $func "$@" || die "ERROR: $name not found"
1222 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1230 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1235 check_pkg_config "$@" || return 1
1236 add_cflags $(get_safe "${pkg}_cflags")
1237 add_extralibs $(get_safe "${pkg}_libs")
1240 require_pkg_config(){
1241 use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"
1244 require_libfreetype(){
1245 log require_libfreetype "$@"
1247 check_cmd $pkg_config --exists --print-errors $pkg \
1248 || die "ERROR: $pkg not found"
1249 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1250 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1252 echo "#include <ft2build.h>"
1253 echo "#include FT_FREETYPE_H"
1254 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1255 echo "int main(void) { return 0; }"
1256 } | check_ld "cc" $pkg_cflags $pkg_libs \
1257 && set_safe "${pkg}_cflags" $pkg_cflags \
1258 && set_safe "${pkg}_libs" $pkg_libs \
1259 || die "ERROR: $pkg not found"
1260 add_cflags $(get_safe "${pkg}_cflags")
1261 add_extralibs $(get_safe "${pkg}_libs")
1265 eval printf '%s\\n' $HOSTCC_E
1269 eval printf '%s\\n' $HOSTCC_O
1273 log check_host_cc "$@"
1276 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1280 log check_host_cpp "$@"
1283 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1286 check_host_cppflags(){
1287 log check_host_cppflags "$@"
1288 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1293 check_host_cflags(){
1294 log check_host_cflags "$@"
1295 set -- $($host_cflags_filter "$@")
1296 check_host_cc "$@" <<EOF && append host_cflags "$@"
1301 check_host_cpp_condition(){
1302 log check_host_cpp_condition "$@"
1306 check_host_cpp "$@" <<EOF
1309 #error "unsatisfied condition: $condition"
1317 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1321 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1322 mkdir -p "$(dirname $2)"
1326 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1327 # system-dependent things.
1344 avio_reading_example
1345 avio_list_dir_example
1346 decoding_encoding_example
1347 demuxing_decoding_example
1349 filter_audio_example
1350 filtering_audio_example
1351 filtering_video_example
1356 resampling_audio_example
1357 scaling_video_example
1358 transcode_aac_example
1362 EXTERNAL_LIBRARY_LIST="
1460 safe_bitstream_reader
1520 $EXTERNAL_LIBRARY_LIST
1528 incompatible_libav_abi
1590 ARCH_EXT_LIST_MIPS="
1600 ARCH_EXT_LIST_LOONGSON="
1606 ARCH_EXT_LIST_X86_SIMD="
1634 $ARCH_EXT_LIST_X86_SIMD
1644 $ARCH_EXT_LIST_LOONGSON
1660 atomic_compare_exchange
1666 sync_val_compare_and_swap
1677 incompatible_libav_abi
1686 cdio_paranoia_paranoia_h
1687 dev_bktr_ioctl_bt848_h
1688 dev_bktr_ioctl_meteor_h
1690 dev_video_bktr_ioctl_bt848_h
1691 dev_video_meteor_ioctl_meteor_h
1700 machine_ioctl_bt848_h
1701 machine_ioctl_meteor_h
1703 openjpeg_1_5_openjpeg_h
1773 GetProcessAffinityMask
1774 GetProcessMemoryInfo
1778 GetSystemTimeAsFileTime
1785 jack_port_get_latency_range
1800 SetConsoleTextAttribute
1801 SetConsoleCtrlHandler
1813 TOOLCHAIN_FEATURES="
1826 inline_asm_nonlocal_labels
1827 inline_asm_direct_symbol_refs
1838 CONDITION_VARIABLE_Ptr
1841 struct_dcadec_exss_info_matrix_encoding
1842 struct_group_source_req
1843 struct_ip_mreq_source
1846 struct_rusage_ru_maxrss
1847 struct_sctp_event_subscribe
1849 struct_sockaddr_sa_len
1850 struct_sockaddr_storage
1851 struct_stat_st_mtim_tv_nsec
1852 struct_v4l2_frmivalenum_discrete
1857 $(add_suffix _external $ARCH_EXT_LIST)
1858 $(add_suffix _inline $ARCH_EXT_LIST)
1891 # options emitted with CONFIG_ prefix but not available on the command line
1907 frame_thread_encoder
2047 # code dependency declarations
2049 # architecture extensions
2054 armv8_deps="aarch64"
2055 neon_deps_any="aarch64 arm"
2056 intrinsics_neon_deps="neon"
2057 vfp_deps_any="aarch64 arm"
2061 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2064 mipsdspr1_deps="mips"
2065 mipsdspr2_deps="mips"
2066 mips32r2_deps="mips"
2067 mips32r5_deps="mips"
2068 mips64r6_deps="mips"
2080 x86_64_select="i686"
2081 x86_64_suggest="fast_cmov"
2084 amd3dnowext_deps="amd3dnow"
2100 mmx_external_deps="yasm"
2101 mmx_inline_deps="inline_asm"
2102 mmx_suggest="mmx_external mmx_inline"
2104 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2105 eval dep=\$${ext}_deps
2106 eval ${ext}_external_deps='"${dep}_external"'
2107 eval ${ext}_inline_deps='"${dep}_inline"'
2108 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2111 aligned_stack_if_any="aarch64 ppc x86"
2112 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2113 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2114 fast_unaligned_if_any="aarch64 ppc x86"
2115 simd_align_16_if_any="altivec neon sse"
2117 # system capabilities
2118 symver_if_any="symver_asm_label symver_gnu_asm"
2119 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
2122 atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"
2123 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2124 atomics_win32_if="MemoryBarrier"
2125 atomics_native_if_any="$ATOMICS_LIST"
2126 w32threads_deps="atomics_native"
2127 threads_if_any="$THREADS_LIST"
2131 error_resilience_select="me_cmp"
2132 faandct_deps="faan fdctdsp"
2133 faanidct_deps="faan idctdsp"
2134 frame_thread_encoder_deps="encoders threads"
2135 intrax8_select="error_resilience"
2138 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2139 mpeg_er_select="error_resilience"
2140 mpegaudio_select="mpegaudiodsp"
2141 mpegaudiodsp_select="dct"
2142 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp videodsp"
2143 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2147 # decoders / encoders
2148 aac_decoder_select="imdct15 mdct sinewin"
2149 aac_fixed_decoder_select="mdct sinewin"
2150 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
2151 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2152 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2153 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2154 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2155 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2156 adpcm_g722_decoder_select="g722dsp"
2157 adpcm_g722_encoder_select="g722dsp"
2158 aic_decoder_select="golomb idctdsp"
2159 alac_encoder_select="lpc"
2160 als_decoder_select="bswapdsp"
2161 amrnb_decoder_select="lsp"
2162 amrwb_decoder_select="lsp"
2163 amv_decoder_select="sp5x_decoder exif"
2164 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2165 ape_decoder_select="bswapdsp llauddsp"
2166 apng_decoder_select="zlib"
2167 apng_encoder_select="huffyuvencdsp zlib"
2168 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2169 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2170 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2171 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2172 atrac1_decoder_select="mdct sinewin"
2173 atrac3_decoder_select="mdct"
2174 atrac3p_decoder_select="mdct sinewin"
2175 avrn_decoder_select="exif jpegtables"
2176 bink_decoder_select="blockdsp hpeldsp"
2177 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2178 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2179 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2180 cllc_decoder_select="bswapdsp"
2181 comfortnoise_encoder_select="lpc"
2182 cook_decoder_select="audiodsp mdct sinewin"
2183 cscd_decoder_select="lzo"
2184 cscd_decoder_suggest="zlib"
2185 dca_decoder_select="fmtconvert mdct"
2186 dds_decoder_select="texturedsp"
2187 dirac_decoder_select="dwt golomb videodsp mpegvideoenc"
2188 dnxhd_decoder_select="blockdsp idctdsp"
2189 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2190 dvvideo_decoder_select="dvprofile idctdsp"
2191 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2192 dxa_decoder_select="zlib"
2193 eac3_decoder_select="ac3_decoder"
2194 eac3_encoder_select="ac3_encoder"
2195 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2196 eatgq_decoder_select="aandcttables"
2197 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
2198 exr_decoder_select="zlib"
2199 ffv1_decoder_select="golomb rangecoder"
2200 ffv1_encoder_select="rangecoder"
2201 ffvhuff_decoder_select="huffyuv_decoder"
2202 ffvhuff_encoder_select="huffyuv_encoder"
2203 fic_decoder_select="golomb"
2204 flac_decoder_select="flacdsp golomb"
2205 flac_encoder_select="bswapdsp flacdsp golomb lpc"
2206 flashsv_decoder_select="zlib"
2207 flashsv_encoder_select="zlib"
2208 flashsv2_encoder_select="zlib"
2209 flashsv2_decoder_select="zlib"
2210 flv_decoder_select="h263_decoder"
2211 flv_encoder_select="h263_encoder"
2212 fourxm_decoder_select="blockdsp bswapdsp"
2213 fraps_decoder_select="bswapdsp huffman"
2214 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2215 g729_decoder_select="audiodsp"
2216 h261_decoder_select="mpeg_er mpegvideo"
2217 h261_encoder_select="aandcttables mpegvideoenc"
2218 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
2219 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2220 h263i_decoder_select="h263_decoder"
2221 h263p_decoder_select="h263_decoder"
2222 h263p_encoder_select="h263_encoder"
2223 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
2224 h264_decoder_suggest="error_resilience"
2225 h264_qsv_decoder_deps="libmfx"
2226 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2227 h264_qsv_encoder_deps="libmfx"
2228 h264_qsv_encoder_select="qsvenc"
2229 hap_decoder_select="snappy texturedsp"
2230 hap_encoder_deps="libsnappy"
2231 hap_encoder_select="texturedspenc"
2232 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2233 hevc_qsv_encoder_deps="libmfx"
2234 hevc_qsv_decoder_deps="libmfx"
2235 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
2236 hevc_qsv_encoder_select="qsvenc"
2237 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2238 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
2239 iac_decoder_select="imc_decoder"
2240 imc_decoder_select="bswapdsp fft mdct sinewin"
2241 indeo3_decoder_select="hpeldsp"
2242 indeo4_decoder_select="ividsp"
2243 indeo5_decoder_select="ividsp"
2244 interplay_video_decoder_select="hpeldsp"
2245 jpegls_decoder_select="golomb mjpeg_decoder"
2246 jpegls_encoder_select="golomb"
2247 jv_decoder_select="blockdsp"
2248 lagarith_decoder_select="huffyuvdsp"
2249 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2250 loco_decoder_select="golomb"
2251 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2252 metasound_decoder_select="lsp mdct sinewin"
2253 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2254 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2255 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2256 mjpegb_decoder_select="mjpeg_decoder"
2257 mlp_decoder_select="mlp_parser"
2258 motionpixels_decoder_select="bswapdsp"
2259 mp1_decoder_select="mpegaudio"
2260 mp1float_decoder_select="mpegaudio"
2261 mp2_decoder_select="mpegaudio"
2262 mp2float_decoder_select="mpegaudio"
2263 mp3_decoder_select="mpegaudio"
2264 mp3adu_decoder_select="mpegaudio"
2265 mp3adufloat_decoder_select="mpegaudio"
2266 mp3float_decoder_select="mpegaudio"
2267 mp3on4_decoder_select="mpegaudio"
2268 mp3on4float_decoder_select="mpegaudio"
2269 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2270 mpc8_decoder_select="mpegaudiodsp"
2271 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2272 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2273 mpegvideo_decoder_select="error_resilience mpeg_er mpegvideo"
2274 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2275 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2276 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2277 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2278 mpeg2_qsv_decoder_deps="libmfx"
2279 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
2280 mpeg2_qsv_encoder_deps="libmfx"
2281 mpeg2_qsv_encoder_select="qsvenc"
2282 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2283 mpeg4_encoder_select="h263_encoder"
2284 msa1_decoder_select="mss34dsp"
2285 msmpeg4v1_decoder_select="h263_decoder"
2286 msmpeg4v2_decoder_select="h263_decoder"
2287 msmpeg4v2_encoder_select="h263_encoder"
2288 msmpeg4v3_decoder_select="h263_decoder"
2289 msmpeg4v3_encoder_select="h263_encoder"
2290 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
2291 mts2_decoder_select="mss34dsp"
2292 mxpeg_decoder_select="mjpeg_decoder"
2293 nellymoser_decoder_select="mdct sinewin"
2294 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2295 nuv_decoder_select="idctdsp lzo"
2296 on2avc_decoder_select="mdct"
2297 opus_decoder_deps="swresample"
2298 opus_decoder_select="imdct15"
2299 png_decoder_select="zlib"
2300 png_encoder_select="huffyuvencdsp zlib"
2301 prores_decoder_select="blockdsp idctdsp"
2302 prores_encoder_select="fdctdsp"
2303 qcelp_decoder_select="lsp"
2304 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2305 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2306 ra_144_decoder_select="audiodsp"
2307 ralf_decoder_select="golomb"
2308 rawvideo_decoder_select="bswapdsp"
2309 rtjpeg_decoder_select="me_cmp"
2310 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2311 rv10_encoder_select="h263_encoder"
2312 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2313 rv20_encoder_select="h263_encoder"
2314 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2315 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2316 shorten_decoder_select="golomb"
2317 sipr_decoder_select="lsp"
2318 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2319 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2320 sonic_decoder_select="golomb rangecoder"
2321 sonic_encoder_select="golomb rangecoder"
2322 sonic_ls_encoder_select="golomb rangecoder"
2323 sp5x_decoder_select="mjpeg_decoder"
2324 svq1_decoder_select="hpeldsp"
2325 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2326 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2327 svq3_decoder_suggest="zlib"
2328 tak_decoder_select="audiodsp"
2329 tdsc_decoder_select="zlib mjpeg_decoder"
2330 theora_decoder_select="vp3_decoder"
2331 thp_decoder_select="mjpeg_decoder"
2332 tiff_decoder_suggest="zlib lzma"
2333 tiff_encoder_suggest="zlib"
2334 truehd_decoder_select="mlp_parser"
2335 truemotion2_decoder_select="bswapdsp"
2336 truespeech_decoder_select="bswapdsp"
2337 tscc_decoder_select="zlib"
2338 twinvq_decoder_select="mdct lsp sinewin"
2339 txd_decoder_select="texturedsp"
2340 utvideo_decoder_select="bswapdsp"
2341 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2342 vble_decoder_select="huffyuvdsp"
2343 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
2344 vc1image_decoder_select="vc1_decoder"
2345 vc1_qsv_decoder_deps="libmfx"
2346 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"
2347 vorbis_decoder_select="mdct"
2348 vorbis_encoder_select="mdct"
2349 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2350 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2351 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2352 vp6a_decoder_select="vp6_decoder"
2353 vp6f_decoder_select="vp6_decoder"
2354 vp7_decoder_select="h264pred videodsp vp8dsp"
2355 vp8_decoder_select="h264pred videodsp vp8dsp"
2356 vp9_decoder_select="videodsp vp9_parser"
2357 webp_decoder_select="vp8_decoder"
2358 wmalossless_decoder_select="llauddsp"
2359 wmapro_decoder_select="mdct sinewin wma_freqs"
2360 wmav1_decoder_select="mdct sinewin wma_freqs"
2361 wmav1_encoder_select="mdct sinewin wma_freqs"
2362 wmav2_decoder_select="mdct sinewin wma_freqs"
2363 wmav2_encoder_select="mdct sinewin wma_freqs"
2364 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2365 wmv1_decoder_select="h263_decoder"
2366 wmv1_encoder_select="h263_encoder"
2367 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2368 wmv2_encoder_select="h263_encoder wmv2dsp"
2369 wmv3_decoder_select="vc1_decoder"
2370 wmv3image_decoder_select="wmv3_decoder"
2371 zerocodec_decoder_select="zlib"
2372 zlib_decoder_select="zlib"
2373 zlib_encoder_select="zlib"
2374 zmbv_decoder_select="zlib"
2375 zmbv_encoder_select="zlib"
2377 # hardware accelerators
2378 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2379 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2380 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2381 vaapi_deps="va_va_h"
2382 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2383 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2384 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2385 xvmc_deps="X11_extensions_XvMClib_h"
2387 h263_vaapi_hwaccel_deps="vaapi"
2388 h263_vaapi_hwaccel_select="h263_decoder"
2389 h263_vdpau_hwaccel_deps="vdpau"
2390 h263_vdpau_hwaccel_select="h263_decoder"
2391 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2392 h264_d3d11va_hwaccel_deps="d3d11va"
2393 h264_d3d11va_hwaccel_select="h264_decoder"
2394 h264_dxva2_hwaccel_deps="dxva2"
2395 h264_dxva2_hwaccel_select="h264_decoder"
2396 h264_mmal_decoder_deps="mmal"
2397 h264_mmal_hwaccel_deps="mmal"
2398 h264_mmal_decoder_select="h264_decoder"
2399 h264_mmal_encoder_deps="mmal"
2400 h264_qsv_hwaccel_deps="libmfx"
2401 h264_vaapi_hwaccel_deps="vaapi"
2402 h264_vaapi_hwaccel_select="h264_decoder"
2403 h264_vda_decoder_deps="vda"
2404 h264_vda_decoder_select="h264_decoder"
2405 h264_vda_hwaccel_deps="vda"
2406 h264_vda_hwaccel_select="h264_decoder"
2407 h264_vda_old_hwaccel_deps="vda"
2408 h264_vda_old_hwaccel_select="h264_decoder"
2409 h264_vdpau_decoder_deps="vdpau"
2410 h264_vdpau_decoder_select="h264_decoder"
2411 h264_vdpau_hwaccel_deps="vdpau"
2412 h264_vdpau_hwaccel_select="h264_decoder"
2413 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2414 hevc_d3d11va_hwaccel_select="hevc_decoder"
2415 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2416 hevc_dxva2_hwaccel_select="hevc_decoder"
2417 hevc_qsv_hwaccel_deps="libmfx"
2418 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2419 hevc_vdpau_hwaccel_select="hevc_decoder"
2420 mpeg_vdpau_decoder_deps="vdpau"
2421 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2422 mpeg_xvmc_hwaccel_deps="xvmc"
2423 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2424 mpeg1_vdpau_decoder_deps="vdpau"
2425 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2426 mpeg1_vdpau_hwaccel_deps="vdpau"
2427 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2428 mpeg1_xvmc_hwaccel_deps="xvmc"
2429 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2430 mpeg2_crystalhd_decoder_select="crystalhd"
2431 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2432 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2433 mpeg2_dxva2_hwaccel_deps="dxva2"
2434 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2435 mpeg2_qsv_hwaccel_deps="libmfx"
2436 mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"
2437 mpeg2_vaapi_hwaccel_deps="vaapi"
2438 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2439 mpeg2_vdpau_hwaccel_deps="vdpau"
2440 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2441 mpeg2_xvmc_hwaccel_deps="xvmc"
2442 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2443 mpeg4_crystalhd_decoder_select="crystalhd"
2444 mpeg4_vaapi_hwaccel_deps="vaapi"
2445 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2446 mpeg4_vdpau_decoder_deps="vdpau"
2447 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2448 mpeg4_vdpau_hwaccel_deps="vdpau"
2449 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2450 msmpeg4_crystalhd_decoder_select="crystalhd"
2451 vc1_crystalhd_decoder_select="crystalhd"
2452 vc1_d3d11va_hwaccel_deps="d3d11va"
2453 vc1_d3d11va_hwaccel_select="vc1_decoder"
2454 vc1_dxva2_hwaccel_deps="dxva2"
2455 vc1_dxva2_hwaccel_select="vc1_decoder"
2456 vc1_vaapi_hwaccel_deps="vaapi"
2457 vc1_vaapi_hwaccel_select="vc1_decoder"
2458 vc1_vdpau_decoder_deps="vdpau"
2459 vc1_vdpau_decoder_select="vc1_decoder"
2460 vc1_vdpau_hwaccel_deps="vdpau"
2461 vc1_vdpau_hwaccel_select="vc1_decoder"
2462 vc1_qsv_hwaccel_deps="libmfx"
2463 vc1_qsv_hwaccel_select="qsvdec_vc1"
2464 wmv3_crystalhd_decoder_select="crystalhd"
2465 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2466 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2467 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2468 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2469 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2472 h264_parser_select="h264_decoder"
2473 hevc_parser_select="golomb"
2474 mpegvideo_parser_select="mpegvideo"
2475 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
2476 vc1_parser_select="mpegvideo startcode vc1_decoder"
2479 mjpeg2jpeg_bsf_select="jpegtables"
2481 # external libraries
2482 libaacplus_encoder_deps="libaacplus"
2483 libcelt_decoder_deps="libcelt"
2484 libdcadec_decoder_deps="libdcadec"
2485 libfaac_encoder_deps="libfaac"
2486 libfaac_encoder_select="audio_frame_queue"
2487 libfdk_aac_decoder_deps="libfdk_aac"
2488 libfdk_aac_encoder_deps="libfdk_aac"
2489 libfdk_aac_encoder_select="audio_frame_queue"
2490 libgme_demuxer_deps="libgme"
2491 libgsm_decoder_deps="libgsm"
2492 libgsm_encoder_deps="libgsm"
2493 libgsm_ms_decoder_deps="libgsm"
2494 libgsm_ms_encoder_deps="libgsm"
2495 libilbc_decoder_deps="libilbc"
2496 libilbc_encoder_deps="libilbc"
2497 libkvazaar_encoder_deps="libkvazaar"
2498 libmodplug_demuxer_deps="libmodplug"
2499 libmp3lame_encoder_deps="libmp3lame"
2500 libmp3lame_encoder_select="audio_frame_queue"
2501 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2502 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2503 libopencore_amrnb_encoder_select="audio_frame_queue"
2504 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2505 libopenh264_encoder_deps="libopenh264"
2506 libopenjpeg_decoder_deps="libopenjpeg"
2507 libopenjpeg_encoder_deps="libopenjpeg"
2508 libopus_decoder_deps="libopus"
2509 libopus_encoder_deps="libopus"
2510 libopus_encoder_select="audio_frame_queue"
2511 libquvi_demuxer_deps="libquvi"
2512 libschroedinger_decoder_deps="libschroedinger"
2513 libschroedinger_encoder_deps="libschroedinger"
2514 libshine_encoder_deps="libshine"
2515 libshine_encoder_select="audio_frame_queue"
2516 libspeex_decoder_deps="libspeex"
2517 libspeex_encoder_deps="libspeex"
2518 libspeex_encoder_select="audio_frame_queue"
2519 libstagefright_h264_decoder_deps="libstagefright_h264"
2520 libtheora_encoder_deps="libtheora"
2521 libtwolame_encoder_deps="libtwolame"
2522 libvo_aacenc_encoder_deps="libvo_aacenc"
2523 libvo_aacenc_encoder_select="audio_frame_queue"
2524 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2525 libvorbis_decoder_deps="libvorbis"
2526 libvorbis_encoder_deps="libvorbis"
2527 libvorbis_encoder_select="audio_frame_queue"
2528 libvpx_vp8_decoder_deps="libvpx"
2529 libvpx_vp8_encoder_deps="libvpx"
2530 libvpx_vp9_decoder_deps="libvpx"
2531 libvpx_vp9_encoder_deps="libvpx"
2532 libwavpack_encoder_deps="libwavpack"
2533 libwebp_encoder_deps="libwebp"
2534 libwebp_anim_encoder_deps="libwebp"
2535 libx262_encoder_deps="libx262"
2536 libx264_encoder_deps="libx264"
2537 libx264rgb_encoder_deps="libx264"
2538 libx264rgb_encoder_select="libx264_encoder"
2539 libx265_encoder_deps="libx265"
2540 libxavs_encoder_deps="libxavs"
2541 libxvid_encoder_deps="libxvid"
2542 libutvideo_decoder_deps="libutvideo"
2543 libutvideo_encoder_deps="libutvideo"
2544 libzvbi_teletext_decoder_deps="libzvbi"
2545 nvenc_encoder_deps="nvenc"
2546 nvenc_h264_encoder_deps="nvenc"
2547 nvenc_hevc_encoder_deps="nvenc"
2550 ac3_demuxer_select="ac3_parser"
2551 asf_demuxer_select="riffdec"
2552 asf_o_demuxer_select="riffdec"
2553 asf_muxer_select="riffenc"
2554 asf_stream_muxer_select="asf_muxer"
2555 avi_demuxer_select="riffdec exif"
2556 avi_muxer_select="riffenc"
2557 avisynth_demuxer_deps="avisynth"
2558 avisynth_demuxer_select="riffdec"
2559 caf_demuxer_select="riffdec"
2560 dash_muxer_select="mp4_muxer"
2561 dirac_demuxer_select="dirac_parser"
2562 dts_demuxer_select="dca_parser"
2563 dtshd_demuxer_select="dca_parser"
2564 dv_demuxer_select="dvprofile"
2565 dv_muxer_select="dvprofile"
2566 dxa_demuxer_select="riffdec"
2567 eac3_demuxer_select="ac3_parser"
2568 f4v_muxer_select="mov_muxer"
2569 flac_demuxer_select="flac_parser"
2570 hds_muxer_select="flv_muxer"
2571 hls_muxer_select="mpegts_muxer"
2572 image2_alias_pix_demuxer_select="image2_demuxer"
2573 image2_brender_pix_demuxer_select="image2_demuxer"
2574 ipod_muxer_select="mov_muxer"
2575 ismv_muxer_select="mov_muxer"
2576 libnut_demuxer_deps="libnut"
2577 libnut_muxer_deps="libnut"
2578 matroska_audio_muxer_select="matroska_muxer"
2579 matroska_demuxer_select="riffdec"
2580 matroska_demuxer_suggest="bzlib lzo zlib"
2581 matroska_muxer_select="riffenc"
2582 mmf_muxer_select="riffenc"
2583 mov_demuxer_select="riffdec"
2584 mov_demuxer_suggest="zlib"
2585 mov_muxer_select="riffenc rtpenc_chain"
2586 mp3_demuxer_select="mpegaudio_parser"
2587 mp4_muxer_select="mov_muxer"
2588 mpegts_muxer_select="adts_muxer latm_muxer"
2589 mpegtsraw_demuxer_select="mpegts_demuxer"
2590 mxf_d10_muxer_select="mxf_muxer"
2591 mxf_opatom_muxer_select="mxf_muxer"
2592 nut_muxer_select="riffenc"
2593 nuv_demuxer_select="riffdec"
2594 oga_muxer_select="ogg_muxer"
2595 ogg_demuxer_select="golomb"
2596 opus_muxer_select="ogg_muxer"
2597 psp_muxer_select="mov_muxer"
2598 rtp_demuxer_select="sdp_demuxer"
2599 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2600 rtsp_demuxer_select="http_protocol rtpdec"
2601 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2602 sap_demuxer_select="sdp_demuxer"
2603 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2604 sdp_demuxer_select="rtpdec"
2605 smoothstreaming_muxer_select="ismv_muxer"
2606 spdif_muxer_select="aac_parser"
2607 spx_muxer_select="ogg_muxer"
2608 tak_demuxer_select="tak_parser"
2609 tg2_muxer_select="mov_muxer"
2610 tgp_muxer_select="mov_muxer"
2611 vobsub_demuxer_select="mpegps_demuxer"
2612 w64_demuxer_select="wav_demuxer"
2613 w64_muxer_select="wav_muxer"
2614 wav_demuxer_select="riffdec"
2615 wav_muxer_select="riffenc"
2616 webm_muxer_select="riffenc"
2617 wtv_demuxer_select="riffdec"
2618 wtv_muxer_select="riffenc"
2619 xmv_demuxer_select="riffdec"
2620 xwma_demuxer_select="riffdec"
2623 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2624 alsa_outdev_deps="alsa_asoundlib_h"
2625 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2626 avfoundation_indev_select="avfoundation"
2627 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2628 caca_outdev_deps="libcaca"
2629 decklink_outdev_deps="decklink pthreads"
2630 decklink_outdev_extralibs="-lstdc++"
2631 decklink_indev_deps="decklink pthreads"
2632 decklink_indev_extralibs="-lstdc++"
2633 dshow_indev_deps="IBaseFilter"
2634 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
2635 dv1394_indev_deps="dv1394"
2636 dv1394_indev_select="dv_demuxer"
2637 fbdev_indev_deps="linux_fb_h"
2638 fbdev_outdev_deps="linux_fb_h"
2639 gdigrab_indev_deps="CreateDIBSection"
2640 gdigrab_indev_extralibs="-lgdi32"
2641 gdigrab_indev_select="bmp_decoder"
2642 iec61883_indev_deps="libiec61883"
2643 jack_indev_deps="jack_jack_h sem_timedwait"
2644 lavfi_indev_deps="avfilter"
2645 libcdio_indev_deps="libcdio"
2646 libdc1394_indev_deps="libdc1394"
2647 libv4l2_indev_deps="libv4l2"
2648 openal_indev_deps="openal"
2649 opengl_outdev_deps="opengl"
2650 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2651 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2652 pulse_indev_deps="libpulse"
2653 pulse_outdev_deps="libpulse"
2654 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2655 qtkit_indev_select="qtkit"
2656 sdl_outdev_deps="sdl"
2657 sndio_indev_deps="sndio_h"
2658 sndio_outdev_deps="sndio_h"
2659 v4l_indev_deps="linux_videodev_h"
2660 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2661 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2662 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2663 vfwcap_indev_extralibs="-lavicap32"
2664 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2665 xv_outdev_extralibs="-lXv -lX11 -lXext"
2666 x11grab_indev_deps="x11grab"
2667 x11grab_xcb_indev_deps="libxcb"
2670 async_protocol_deps="pthreads"
2671 bluray_protocol_deps="libbluray"
2672 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2673 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2674 ffrtmpcrypt_protocol_select="tcp_protocol"
2675 ffrtmphttp_protocol_deps="!librtmp_protocol"
2676 ffrtmphttp_protocol_select="http_protocol"
2677 ftp_protocol_select="tcp_protocol"
2678 gopher_protocol_select="network"
2679 http_protocol_select="tcp_protocol"
2680 httpproxy_protocol_select="tcp_protocol"
2681 https_protocol_select="tls_protocol"
2682 icecast_protocol_select="http_protocol"
2683 librtmp_protocol_deps="librtmp"
2684 librtmpe_protocol_deps="librtmp"
2685 librtmps_protocol_deps="librtmp"
2686 librtmpt_protocol_deps="librtmp"
2687 librtmpte_protocol_deps="librtmp"
2688 libsmbclient_protocol_deps="libsmbclient gplv3"
2689 libssh_protocol_deps="libssh"
2690 mmsh_protocol_select="http_protocol"
2691 mmst_protocol_select="network"
2692 rtmp_protocol_deps="!librtmp_protocol"
2693 rtmp_protocol_select="tcp_protocol"
2694 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2695 rtmps_protocol_deps="!librtmp_protocol"
2696 rtmps_protocol_select="tls_protocol"
2697 rtmpt_protocol_select="ffrtmphttp_protocol"
2698 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2699 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2700 rtp_protocol_select="udp_protocol"
2701 sctp_protocol_deps="struct_sctp_event_subscribe"
2702 sctp_protocol_select="network"
2703 srtp_protocol_select="rtp_protocol"
2704 tcp_protocol_select="network"
2705 tls_gnutls_protocol_deps="gnutls !tls_securetransport_protocol"
2706 tls_gnutls_protocol_select="tcp_protocol"
2707 tls_openssl_protocol_deps="openssl !tls_securetransport_protocol !tls_gnutls_protocol"
2708 tls_openssl_protocol_select="tcp_protocol"
2709 tls_securetransport_protocol_deps="securetransport"
2710 tls_securetransport_protocol_select="tcp_protocol"
2711 tls_protocol_deps_any="tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
2712 udp_protocol_select="network"
2713 udplite_protocol_select="network"
2714 unix_protocol_deps="sys_un_h"
2715 unix_protocol_select="network"
2718 amovie_filter_deps="avcodec avformat"
2719 aresample_filter_deps="swresample"
2720 ass_filter_deps="libass"
2721 asyncts_filter_deps="avresample"
2722 atempo_filter_deps="avcodec"
2723 atempo_filter_select="rdft"
2724 azmq_filter_deps="libzmq"
2725 blackframe_filter_deps="gpl"
2726 boxblur_filter_deps="gpl"
2727 bs2b_filter_deps="libbs2b"
2728 colormatrix_filter_deps="gpl"
2729 cover_rect_filter_deps="avcodec avformat gpl"
2730 cropdetect_filter_deps="gpl"
2731 delogo_filter_deps="gpl"
2732 deshake_filter_select="pixelutils"
2733 drawtext_filter_deps="libfreetype"
2734 dynaudnorm_filter_deps="copysign erf"
2735 ebur128_filter_deps="gpl"
2736 eq_filter_deps="gpl"
2737 fftfilt_filter_deps="avcodec"
2738 fftfilt_filter_select="rdft"
2739 flite_filter_deps="libflite"
2740 find_rect_filter_deps="avcodec avformat gpl"
2741 frei0r_filter_deps="frei0r dlopen"
2742 frei0r_src_filter_deps="frei0r dlopen"
2743 fspp_filter_deps="gpl"
2744 geq_filter_deps="gpl"
2745 histeq_filter_deps="gpl"
2746 hqdn3d_filter_deps="gpl"
2747 interlace_filter_deps="gpl"
2748 kerndeint_filter_deps="gpl"
2749 ladspa_filter_deps="ladspa dlopen"
2750 mcdeint_filter_deps="avcodec gpl"
2751 movie_filter_deps="avcodec avformat"
2752 mpdecimate_filter_deps="gpl"
2753 mpdecimate_filter_select="pixelutils"
2754 mptestsrc_filter_deps="gpl"
2755 negate_filter_deps="lut_filter"
2756 perspective_filter_deps="gpl"
2757 pp7_filter_deps="gpl"
2758 ocv_filter_deps="libopencv"
2759 owdenoise_filter_deps="gpl"
2760 pan_filter_deps="swresample"
2761 phase_filter_deps="gpl"
2762 pp_filter_deps="gpl postproc"
2763 pullup_filter_deps="gpl"
2764 removelogo_filter_deps="avcodec avformat swscale"
2765 repeatfields_filter_deps="gpl"
2766 resample_filter_deps="avresample"
2767 sab_filter_deps="gpl swscale"
2768 scale_filter_deps="swscale"
2769 select_filter_select="pixelutils"
2770 smartblur_filter_deps="gpl swscale"
2771 showcqt_filter_deps="avcodec"
2772 showcqt_filter_select="fft"
2773 showspectrum_filter_deps="avcodec"
2774 showspectrum_filter_select="rdft"
2775 spp_filter_deps="gpl avcodec"
2776 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
2777 stereo3d_filter_deps="gpl"
2778 subtitles_filter_deps="avformat avcodec libass"
2779 super2xsai_filter_deps="gpl"
2780 tinterlace_filter_deps="gpl"
2781 vidstabdetect_filter_deps="libvidstab"
2782 vidstabtransform_filter_deps="libvidstab"
2783 pixfmts_super2xsai_test_deps="super2xsai_filter"
2784 tinterlace_merge_test_deps="tinterlace_filter"
2785 tinterlace_pad_test_deps="tinterlace_filter"
2786 uspp_filter_deps="gpl avcodec"
2787 zmq_filter_deps="libzmq"
2788 zoompan_filter_deps="swscale"
2791 avio_reading="avformat avcodec avutil"
2792 avio_list_dir="avformat avutil"
2793 avcodec_example_deps="avcodec avutil"
2794 decoding_encoding_example_deps="avcodec avformat avutil"
2795 demuxing_decoding_example_deps="avcodec avformat avutil"
2796 extract_mvs_example_deps="avcodec avformat avutil"
2797 filter_audio_example_deps="avfilter avutil"
2798 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2799 filtering_video_example_deps="avfilter avcodec avformat avutil"
2800 metadata_example_deps="avformat avutil"
2801 muxing_example_deps="avcodec avformat avutil swscale"
2802 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2803 remuxing_example_deps="avcodec avformat avutil"
2804 resampling_audio_example_deps="avutil swresample"
2805 scaling_video_example_deps="avutil swscale"
2806 transcode_aac_example_deps="avcodec avformat swresample"
2807 transcoding_example_deps="avfilter avcodec avformat avutil"
2809 # libraries, in linking order
2810 avcodec_deps="avutil"
2811 avdevice_deps="avformat avcodec avutil"
2812 avfilter_deps="avutil"
2813 avformat_deps="avcodec avutil"
2814 avresample_deps="avutil"
2815 postproc_deps="avutil gpl"
2816 swresample_deps="avutil"
2817 swscale_deps="avutil"
2820 ffmpeg_deps="avcodec avfilter avformat swresample"
2821 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2823 setpts_filter trim_filter"
2824 ffplay_deps="avcodec avformat swscale swresample sdl"
2825 ffplay_libs='$sdl_libs'
2826 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
2827 ffprobe_deps="avcodec avformat"
2828 ffserver_deps="avformat fork sarestart"
2829 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2832 podpages_deps="perl"
2833 manpages_deps="perl pod2man"
2834 htmlpages_deps="perl"
2835 htmlpages_deps_any="makeinfo_html texi2html"
2836 txtpages_deps="perl makeinfo"
2837 doc_deps_any="manpages htmlpages podpages txtpages"
2839 # default parameters
2841 logfile="config.log"
2843 # installation paths
2844 prefix_default="/usr/local"
2845 bindir_default='${prefix}/bin'
2846 datadir_default='${prefix}/share/ffmpeg'
2847 docdir_default='${prefix}/share/doc/ffmpeg'
2848 incdir_default='${prefix}/include'
2849 libdir_default='${prefix}/lib'
2850 mandir_default='${prefix}/share/man'
2856 host_cc_default="gcc"
2858 doxygen_default="doxygen"
2863 pkg_config_default=pkg-config
2864 ranlib_default="ranlib"
2865 strip_default="strip"
2866 yasmexe_default="yasm"
2867 windres_default="windres"
2870 target_os_default=$(tolower $(uname -s))
2871 host_os=$target_os_default
2874 if test "$target_os_default" = aix; then
2875 arch_default=$(uname -p)
2876 strip_default="strip -X32_64"
2878 arch_default=$(uname -m)
2883 # configurable options
2884 enable $PROGRAM_LIST
2885 enable $DOCUMENT_LIST
2886 enable $EXAMPLE_LIST
2887 enable $(filter_out avresample $LIBRARY_LIST)
2893 enable faan faandct faanidct
2894 enable optimizations
2895 enable runtime_cpudetect
2896 enable safe_bitstream_reader
2898 enable swscale_alpha
2899 enable valgrind_backtrace
2901 sws_max_filter_size_default=256
2902 set_default sws_max_filter_size
2904 # Enable hwaccels by default.
2905 enable d3d11va dxva2 vaapi vda vdpau xvmc
2909 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2912 FULLNAME='$(NAME)$(BUILDSUF)'
2913 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2916 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2917 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2918 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2919 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2920 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2921 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2943 host_cflags_filter=echo
2944 host_ldflags_filter=echo
2946 target_path='$(CURDIR)'
2948 # since the object filename is not given with the -MM flag, the compiler
2949 # is only able to print the basename, and we must add the path ourselves
2950 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2954 if test -f configure; then
2957 source_path=$(cd $(dirname "$0"); pwd)
2958 echo "$source_path" | grep -q '[[:blank:]]' &&
2959 die "Out of tree builds are impossible with whitespace in source path."
2960 test -e "$source_path/config.h" &&
2961 die "Out of tree builds are impossible with config.h in source dir."
2968 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2974 file=$source_path/$3
2975 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2978 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2979 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2980 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2981 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2982 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2983 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2984 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2985 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2986 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2987 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2988 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3004 for n in $COMPONENT_LIST; do
3005 v=$(toupper ${n%s})_LIST
3007 eval ${n}_if_any="\$$v"
3010 enable $ARCH_EXT_LIST
3013 echo "Unknown option \"$1\"."
3014 echo "See $0 --help for available options."
3019 cat | tr ' ' '\n' | sort | pr -r -3 -t
3025 echo $* | sed s/$suffix//g | print_3_columns
3037 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3038 echo "prob ${prob:-0.5}"
3046 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3047 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3056 --extra-ldexeflags=*)
3057 add_ldexeflags $optval
3059 --extra-ldlibflags=*)
3060 add_ldlibflags $optval
3063 add_extralibs $optval
3066 disable $INDEV_LIST $OUTDEV_LIST
3069 debuglevel="$optval"
3072 disable $PROGRAM_LIST
3074 --disable-everything)
3075 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3078 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3079 disable $LIBRARY_LIST $PROGRAM_LIST doc
3081 --enable-random|--disable-random)
3082 action=${opt%%-random}
3083 do_random ${action#--} $COMPONENT_LIST
3085 --enable-random=*|--disable-random=*)
3086 action=${opt%%-random=*}
3087 do_random ${action#--} $optval
3089 --enable-*=*|--disable-*=*)
3090 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3091 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3092 eval list=\$$(toupper $thing)_LIST
3093 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3094 list=$(filter "$name" $list)
3095 [ "$list" = "" ] && warn "Option $opt did not match anything"
3098 --enable-?*|--disable-?*)
3099 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3100 if is_in $option $COMPONENT_LIST; then
3101 test $action = disable && action=unset
3102 eval $action \$$(toupper ${option%s})_LIST
3103 elif is_in $option $CMDLINE_SELECT; then
3110 NAME="${opt#--list-}"
3111 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3113 eval show_list $NAME \$$(toupper $NAME)_LIST
3115 --help|-h) show_help
3117 --fatal-warnings) enable fatal_warnings
3120 optname="${opt%%=*}"
3121 optname="${optname#--}"
3122 optname=$(echo "$optname" | sed 's/-/_/g')
3123 if is_in $optname $CMDLINE_SET; then
3124 eval $optname='$optval'
3125 elif is_in $optname $CMDLINE_APPEND; then
3126 append $optname "$optval"
3138 disabled logging && logfile=/dev/null
3140 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3143 test -n "$valgrind" && toolchain="valgrind-memcheck"
3145 case "$toolchain" in
3148 add_cflags -fsanitize=address
3149 add_ldflags -fsanitize=address
3153 add_cflags -fsanitize=thread -pie
3154 add_ldflags -fsanitize=thread -pie
3158 add_cflags -fsanitize=undefined
3159 add_ldflags -fsanitize=undefined
3163 add_cflags -fsanitize=address
3164 add_ldflags -fsanitize=address
3168 add_cflags -fsanitize=thread -pie -fPIC
3169 add_ldflags -fsanitize=thread -pie -fPIC
3173 add_cflags -fsanitize=undefined
3174 add_ldflags -fsanitize=undefined
3177 target_exec_default=${valgrind:-"valgrind"}
3178 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"
3181 target_exec_default=${valgrind:-"valgrind"}
3182 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3185 # Check whether the current MSVC version needs the C99 converter.
3186 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3187 # support enough of C99 to build ffmpeg. Default to the new
3188 # behaviour if the regexp was unable to match anything, since this
3189 # successfully parses the version number of existing supported
3190 # versions that require the converter (MSVC 2010 and 2012).
3191 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3192 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3195 cc_default="c99wrap cl"
3197 ld_default="$source_path/compat/windows/mslink"
3198 nm_default="dumpbin -symbols"
3205 target_os_default="win32"
3206 # Use a relative path for TMPDIR. This makes sure all the
3207 # ffconf temp files are written with a relative path, avoiding
3208 # issues with msys/win32 path conversion for MSVC parameters
3209 # such as -Fo<file> or -out:<file>.
3215 nm_default="dumpbin -symbols"
3217 target_os_default="win32"
3221 add_cflags -fprofile-arcs -ftest-coverage
3222 add_ldflags -fprofile-arcs -ftest-coverage
3225 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3226 add_cflags -fno-strict-overflow -fstack-protector-all
3227 add_ldflags -Wl,-z,relro -Wl,-z,now
3230 die "Unknown toolchain $toolchain"
3234 test -n "$cross_prefix" && enable cross_compile
3236 if enabled cross_compile; then
3237 test -n "$arch" && test -n "$target_os" ||
3238 die "Must specify target arch and OS when cross-compiling"
3241 ar_default="${cross_prefix}${ar_default}"
3242 cc_default="${cross_prefix}${cc_default}"
3243 cxx_default="${cross_prefix}${cxx_default}"
3244 nm_default="${cross_prefix}${nm_default}"
3245 pkg_config_default="${cross_prefix}${pkg_config_default}"
3246 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3247 ranlib_default="${cross_prefix}${ranlib_default} -D"
3249 ranlib_default="${cross_prefix}${ranlib_default}"
3251 strip_default="${cross_prefix}${strip_default}"
3252 windres_default="${cross_prefix}${windres_default}"
3254 sysinclude_default="${sysroot}/usr/include"
3256 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3257 target_exec target_os yasmexe
3258 enabled cross_compile || host_cc_default=$cc
3261 pkg_config_fail_message=""
3262 if ! $pkg_config --version >/dev/null 2>&1; then
3263 warn "$pkg_config not found, library detection may fail."
3265 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3266 pkg_config_fail_message="
3267 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3270 if test $doxygen != $doxygen_default && \
3271 ! $doxygen --version >/dev/null 2>&1; then
3272 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3277 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3281 EXESUF=$(exesuf $target_os)
3282 HOSTEXESUF=$(exesuf $host_os)
3284 # set temporary file name
3285 : ${TMPDIR:=$TEMPDIR}
3289 if [ -n "$tempprefix" ] ; then
3291 echo $tempprefix.${HOSTNAME}.${UID}
3293 elif ! check_cmd mktemp -u XXXXXX; then
3294 # simple replacement for missing mktemp
3295 # NOT SAFE FOR GENERAL USE
3297 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3302 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3303 (set -C; exec > $tmp) 2>/dev/null ||
3304 die "Unable to create temporary file in $TMPDIR."
3305 append TMPFILES $tmp
3309 trap 'rm -f -- $TMPFILES' EXIT
3314 tmpfile TMPE $EXESUF
3326 # make sure we can execute files in $TMPDIR
3327 cat > $TMPSH 2>> $logfile <<EOF
3330 chmod +x $TMPSH >> $logfile 2>&1
3331 if ! $TMPSH >> $logfile 2>&1; then
3333 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3334 variable to another directory and make sure that it is not mounted noexec.
3336 die "Sanity test failed."
3342 # Filter out MSVC cl.exe options from cflags that shouldn't
3343 # be passed to gas-preprocessor
3353 -std=c99) echo -c99 ;;
3354 -mcpu=*) echo -arch ${flag#*=} ;;
3355 -mieee) echo -ieee ;;
3356 -O*|-fast) echo $flag ;;
3357 -fno-math-errno) echo -assume nomath_errno ;;
3359 -Wall) echo -msg_enable level2 ;;
3360 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3361 -Wl,*) echo $flag ;;
3371 -Wno-switch) echo -Wno-switch-enum ;;
3372 -Wno-format-zero-length) ;;
3373 -Wdisabled-optimization) ;;
3374 -Wno-pointer-sign) echo -Wno-other ;;
3380 msvc_common_flags(){
3383 # In addition to specifying certain flags under the compiler
3384 # specific filters, they must be specified here as well or else the
3385 # generic catch all at the bottom will print the original flag.
3389 -fomit-frame-pointer) ;;
3393 -fno-signed-zeros) ;;
3397 -lz) echo zlib.lib ;;
3398 -lavifil32) echo vfw32.lib ;;
3399 -lavicap32) echo vfw32.lib user32.lib ;;
3400 -l*) echo ${flag#-l}.lib ;;
3401 -LARGEADDRESSAWARE) echo $flag ;;
3402 -L*) echo -libpath:${flag#-L} ;;
3409 msvc_common_flags "$@"
3412 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3413 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3414 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3416 -wd4273 -wd4554 -wd4701 ;;
3422 msvc_common_flags "$@"
3425 # Despite what Intel's documentation says -Wall, which is supported
3426 # on Windows, does enable remarks so disable them here.
3427 -Wall) echo $flag -Qdiag-disable:remark ;;
3428 -std=c99) echo -Qstd=c99 ;;
3446 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3447 -fomit-frame-pointer) echo -Mnoframe ;;
3458 case "${flag#*=}" in
3459 native) echo -xtarget=native ;;
3460 v9|niagara) echo -xarch=sparc ;;
3461 ultrasparc) echo -xarch=sparcvis ;;
3462 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3463 i586|pentium) echo -xchip=pentium ;;
3464 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3465 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3466 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3467 pentium4*) echo -xtarget=pentium4 ;;
3468 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3469 *-sse3) echo -xarch=sse3 ;;
3470 core2) echo -xarch=ssse3 -xchip=core2 ;;
3471 bonnell) echo -xarch=ssse3 ;;
3472 corei7|nehalem) echo -xtarget=nehalem ;;
3473 westmere) echo -xtarget=westmere ;;
3474 silvermont) echo -xarch=sse4_2 ;;
3475 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3476 core-avx*|ivybridge|haswell|broadwell)
3478 amdfam10|barcelona) echo -xtarget=barcelona ;;
3479 btver1) echo -xarch=amdsse4a ;;
3480 btver2|bdver*) echo -xarch=avx ;;
3481 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3482 k8|opteron|athlon64|athlon-fx)
3483 echo -xarch=sse2a ;;
3484 athlon*) echo -xarch=pentium_proa ;;
3487 -std=c99) echo -xc99 ;;
3488 -fomit-frame-pointer) echo -xregs=frameptr ;;
3489 -fPIC) echo -KPIC -xcode=pic32 ;;
3490 -W*,*) echo $flag ;;
3491 -f*-*|-W*|-mimpure-text) ;;
3502 case "${flag#*=}" in
3503 armv7-a|cortex-a*) echo -mv=7a8 ;;
3504 armv7-r|cortex-r*) echo -mv=7r4 ;;
3505 armv7-m|cortex-m*) echo -mv=7m3 ;;
3506 armv6*|arm11*) echo -mv=6 ;;
3507 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3509 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3512 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3513 -mfpu=vfp) echo --float_support=vfpv2 ;;
3514 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3515 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3516 -msoft-float) echo --float_support=vfplib ;;
3517 -O[0-3]|-mf=*) echo $flag ;;
3519 -pds=*) echo $flag ;;
3520 -D*|-I*) echo $flag ;;
3521 --gcc|--abi=*) echo $flag ;;
3531 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3532 unset _ld_o _ldflags _ld_lib _ld_path
3533 unset _depflags _DEPCMD _DEPFLAGS
3536 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3537 true # no-op to avoid reading stdin in following checks
3538 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3540 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
3541 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
3542 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3545 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3547 gcc_version=$($_cc --version | head -n1)
3548 gcc_basever=$($_cc -dumpversion)
3549 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3550 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3551 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3552 if ! $_cc -dumpversion | grep -q '^2\.'; then
3553 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3557 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3559 _ident=$($_cc --version | head -n1)
3564 _flags_filter=icc_flags
3565 elif $_cc -v 2>&1 | grep -q xlc; then
3567 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3569 _cflags_size='-O5 -qcompact'
3570 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3572 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3574 _cflags_speed='-fast'
3576 _flags_filter=ccc_flags
3577 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3578 test -d "$sysroot" || die "No valid sysroot specified."
3580 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3581 armcc_conf="$PWD/armcc.conf"
3582 $_cc --arm_linux_configure \
3583 --arm_linux_config_file="$armcc_conf" \
3584 --configure_sysroot="$sysroot" \
3585 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3586 die "Error creating armcc configuration file."
3587 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3588 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3589 as_default="${cross_prefix}gcc"
3593 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3595 _ident=$($_cc -version | head -n1 | tr -s ' ')
3596 _flags='--gcc --abi=eabi -me'
3599 _depflags='-ppa -ppd=$(@:.o=.d)'
3600 _cflags_speed='-O3 -mf=5'
3601 _cflags_size='-O3 -mf=2'
3602 _flags_filter=tms470_flags
3603 elif $_cc -v 2>&1 | grep -q clang; then
3605 _ident=$($_cc --version | head -n1)
3606 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3609 elif $_cc -V 2>&1 | grep -q Sun; then
3611 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3612 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3613 _DEPFLAGS='-xM1 -xc99'
3616 _cflags_size='-O5 -xspace'
3617 _flags_filter=suncc_flags
3618 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3620 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3621 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3624 _flags_filter='filter_out -Wdisabled-optimization'
3625 elif $_cc -v 2>&1 | grep -q Open64; then
3627 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3628 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3631 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3632 elif $_cc -V 2>&1 | grep -q Portland; then
3634 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3635 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3636 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3637 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3639 _flags_filter=pgi_flags
3640 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3642 _ident=$($_cc | head -n1)
3643 # 4509: "This form of conditional instruction is deprecated"
3644 _flags="-nologo -ignore 4509"
3645 _flags_filter=armasm_flags
3646 elif $_cc 2>&1 | grep -q Intel; then
3648 _ident=$($_cc 2>&1 | head -n1)
3649 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3650 # Not only is O3 broken on 13.x+ but it is slower on all previous
3651 # versions (tested) as well.
3653 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3654 if $_cc 2>&1 | grep -q Linker; then
3661 _flags_filter=icl_flags
3663 _ld_path='-libpath:'
3664 # -Qdiag-error to make icl error when seeing certain unknown arguments
3665 _flags='-nologo -Qdiag-error:4044,10157'
3666 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3667 # with MSVC which enables it by default.
3668 _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3670 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3672 _ident=$($_cc 2>&1 | head -n1)
3673 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3674 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3677 if $_cc -nologo- 2>&1 | grep -q Linker; then
3684 _flags_filter=msvc_flags
3686 _ld_path='-libpath:'
3688 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS'
3690 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3692 _ident=$($_cc --version | head -n1)
3696 _flags_filter=cparser_flags
3699 eval ${pfx}_type=\$_type
3700 eval ${pfx}_ident=\$_ident
3704 eval ${1}_C=\${_cc_c-\${${1}_C}}
3705 eval ${1}_E=\${_cc_e-\${${1}_E}}
3706 eval ${1}_O=\${_cc_o-\${${1}_O}}
3708 if [ -n "$_depflags" ]; then
3709 eval ${1}_DEPFLAGS=\$_depflags
3711 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3712 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3713 eval DEP${1}FLAGS=\$_flags
3718 cflags_filter=$_flags_filter
3719 cflags_speed=$_cflags_speed
3720 cflags_size=$_cflags_size
3721 cflags_noopt=$_cflags_noopt
3722 add_cflags $_flags $_cflags
3723 cc_ldflags=$_ldflags
3726 probe_cc hostcc "$host_cc"
3727 host_cflags_filter=$_flags_filter
3728 add_host_cflags $_flags $_cflags
3731 test -n "$cc_type" && enable $cc_type ||
3732 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3734 : ${as_default:=$cc}
3735 : ${dep_cc_default:=$cc}
3736 : ${ld_default:=$cc}
3737 : ${host_ld_default:=$host_cc}
3738 set_default ar as dep_cc ld host_ld windres
3741 asflags_filter=$_flags_filter
3742 add_asflags $_flags $_cflags
3746 ldflags_filter=$_flags_filter
3747 add_ldflags $_flags $_ldflags
3748 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3750 LD_LIB=${_ld_lib-$LD_LIB}
3751 LD_PATH=${_ld_path-$LD_PATH}
3753 probe_cc hostld "$host_ld"
3754 host_ldflags_filter=$_flags_filter
3755 add_host_ldflags $_flags $_ldflags
3756 HOSTLD_O=${_ld_o-$HOSTLD_O}
3758 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3759 probe_cc depcc "$dep_cc"
3760 CCDEP=${_DEPCMD:-$DEPCMD}
3761 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3765 if $ar 2>&1 | grep -q Microsoft; then
3768 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3771 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3772 arflags='-Xany -r -c'
3774 elif $ar 2>&1 | grep -q "\[D\] "; then
3782 add_cflags $extra_cflags
3783 add_cxxflags $extra_cxxflags
3784 add_asflags $extra_cflags
3786 if test -n "$sysroot"; then
3789 add_cppflags --sysroot="$sysroot"
3790 add_ldflags --sysroot="$sysroot"
3791 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
3792 add_cppflags -isysroot "$sysroot"
3793 add_ldflags -isysroot "$sysroot"
3796 add_cppflags -I"$sysinclude"
3797 add_ldflags --sysroot="$sysroot"
3802 if test "$cpu" = host; then
3803 enabled cross_compile &&
3804 die "--cpu=host makes no sense when cross-compiling."
3809 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3811 s/.*$1=\\([^ ]*\\).*/\\1/
3816 cpu=$(check_native -march || check_native -mcpu)
3820 test "${cpu:-host}" = host &&
3821 die "--cpu=host not supported with compiler $cc"
3824 # Deal with common $arch aliases
3838 "Power Macintosh"|ppc*|powerpc*)
3853 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3858 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3861 # Add processor-specific flags
3862 if enabled aarch64; then
3866 cpuflags="-march=$cpu"
3869 cpuflags="-mcpu=$cpu"
3873 elif enabled alpha; then
3875 cpuflags="-mcpu=$cpu"
3877 elif enabled arm; then
3880 check_cpp_condition stddef.h \
3881 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3886 if check_arm_arch 4; then echo armv4;
3887 elif check_arm_arch 4T; then echo armv4t;
3888 elif check_arm_arch 5; then echo armv5;
3889 elif check_arm_arch 5E; then echo armv5e;
3890 elif check_arm_arch 5T; then echo armv5t;
3891 elif check_arm_arch 5TE; then echo armv5te;
3892 elif check_arm_arch 5TEJ; then echo armv5te;
3893 elif check_arm_arch 6; then echo armv6;
3894 elif check_arm_arch 6J; then echo armv6j;
3895 elif check_arm_arch 6K; then echo armv6k;
3896 elif check_arm_arch 6Z; then echo armv6z;
3897 elif check_arm_arch 6ZK; then echo armv6zk;
3898 elif check_arm_arch 6T2; then echo armv6t2;
3899 elif check_arm_arch 7; then echo armv7;
3900 elif check_arm_arch 7A 7_A; then echo armv7-a;
3901 elif check_arm_arch 7S; then echo armv7-a;
3902 elif check_arm_arch 7R 7_R; then echo armv7-r;
3903 elif check_arm_arch 7M 7_M; then echo armv7-m;
3904 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3905 elif check_arm_arch 8A 8_A; then echo armv8-a;
3909 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3913 cpuflags="-march=$cpu"
3914 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3917 cpuflags="-mcpu=$cpu"
3919 cortex-a*) subarch=armv7a ;;
3920 cortex-r*) subarch=armv7r ;;
3921 cortex-m*) enable thumb; subarch=armv7m ;;
3922 arm11*) subarch=armv6 ;;
3923 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3924 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3925 *) subarch=$(probe_arm_arch) ;;
3931 armv5t*) enable fast_clz ;;
3934 disabled fast_unaligned || enable fast_unaligned
3938 elif enabled avr32; then
3943 cpuflags="-mpart=$cpu"
3947 cpuflags="-march=$cpu"
3951 cpuflags="-mcpu=$cpu"
3955 cpuflags="-march=$cpu"
3959 elif enabled bfin; then
3961 cpuflags="-mcpu=$cpu"
3963 elif enabled mips; then
3965 cpuflags="-march=$cpu"
3990 24kef*|34kf*|1004kf*)
4012 check_cflags "-mtune=p5600"
4020 check_cflags "-mtune=i6400 -mabi=64"
4021 check_ldflags "-mabi=64"
4031 enable local_aligned_8 local_aligned_16 local_aligned_32
4032 enable simd_align_16
4036 enable fast_unaligned
4037 disable aligned_stack
4040 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4043 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4046 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4057 elif enabled ppc; then
4061 case $(tolower $cpu) in
4062 601|ppc601|powerpc601)
4063 cpuflags="-mcpu=601"
4066 603*|ppc603*|powerpc603*)
4067 cpuflags="-mcpu=603"