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:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --quiet Suppress showing informative output
67 --list-decoders show all available decoders
68 --list-encoders show all available encoders
69 --list-hwaccels show all available hardware accelerators
70 --list-demuxers show all available demuxers
71 --list-muxers show all available muxers
72 --list-parsers show all available parsers
73 --list-protocols show all available protocols
74 --list-bsfs show all available bitstream filters
75 --list-indevs show all available input devices
76 --list-outdevs show all available output devices
77 --list-filters show all available filters
80 --logfile=FILE log tests and output to FILE [ffbuild/config.log]
81 --disable-logging do not log configure debug information
82 --fatal-warnings fail if any configure warning is generated
83 --prefix=PREFIX install in PREFIX [$prefix_default]
84 --bindir=DIR install binaries in DIR [PREFIX/bin]
85 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
86 --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg]
87 --libdir=DIR install libs in DIR [PREFIX/lib]
88 --shlibdir=DIR install shared libs in DIR [LIBDIR]
89 --incdir=DIR install includes in DIR [PREFIX/include]
90 --mandir=DIR install man page in DIR [PREFIX/share/man]
91 --pkgconfigdir=DIR install pkg-config files in DIR [LIBDIR/pkgconfig]
92 --enable-rpath use rpath to allow installing libraries in paths
93 not part of the dynamic linker search path
94 use rpath when linking programs (USE WITH CARE)
95 --install-name-dir=DIR Darwin directory name for installed targets
98 --enable-gpl allow use of GPL code, the resulting libs
99 and binaries will be under GPL [no]
100 --enable-version3 upgrade (L)GPL to version 3 [no]
101 --enable-nonfree allow use of nonfree code, the resulting libs
102 and binaries will be unredistributable [no]
104 Configuration options:
105 --disable-static do not build static libraries [no]
106 --enable-shared build shared libraries [no]
107 --enable-small optimize for size instead of speed
108 --disable-runtime-cpudetect disable detecting CPU capabilities at runtime (smaller binary)
109 --enable-gray enable full grayscale support (slower color)
110 --disable-swscale-alpha disable alpha channel support in swscale
111 --disable-all disable building components, libraries and programs
112 --disable-autodetect disable automatically detected external libraries [no]
115 --disable-programs do not build command line programs
116 --disable-ffmpeg disable ffmpeg build
117 --disable-ffplay disable ffplay build
118 --disable-ffprobe disable ffprobe build
119 --disable-ffserver disable ffserver build
121 Documentation options:
122 --disable-doc do not build documentation
123 --disable-htmlpages do not build HTML documentation pages
124 --disable-manpages do not build man documentation pages
125 --disable-podpages do not build POD documentation pages
126 --disable-txtpages do not build text documentation pages
129 --disable-avdevice disable libavdevice build
130 --disable-avcodec disable libavcodec build
131 --disable-avformat disable libavformat 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 Individual component options:
153 --disable-everything disable all components listed below
154 --disable-encoder=NAME disable encoder NAME
155 --enable-encoder=NAME enable encoder NAME
156 --disable-encoders disable all encoders
157 --disable-decoder=NAME disable decoder NAME
158 --enable-decoder=NAME enable decoder NAME
159 --disable-decoders disable all decoders
160 --disable-hwaccel=NAME disable hwaccel NAME
161 --enable-hwaccel=NAME enable hwaccel NAME
162 --disable-hwaccels disable all hwaccels
163 --disable-muxer=NAME disable muxer NAME
164 --enable-muxer=NAME enable muxer NAME
165 --disable-muxers disable all muxers
166 --disable-demuxer=NAME disable demuxer NAME
167 --enable-demuxer=NAME enable demuxer NAME
168 --disable-demuxers disable all demuxers
169 --enable-parser=NAME enable parser NAME
170 --disable-parser=NAME disable parser NAME
171 --disable-parsers disable all parsers
172 --enable-bsf=NAME enable bitstream filter NAME
173 --disable-bsf=NAME disable bitstream filter NAME
174 --disable-bsfs disable all bitstream filters
175 --enable-protocol=NAME enable protocol NAME
176 --disable-protocol=NAME disable protocol NAME
177 --disable-protocols disable all protocols
178 --enable-indev=NAME enable input device NAME
179 --disable-indev=NAME disable input device NAME
180 --disable-indevs disable input devices
181 --enable-outdev=NAME enable output device NAME
182 --disable-outdev=NAME disable output device NAME
183 --disable-outdevs disable output devices
184 --disable-devices disable all devices
185 --enable-filter=NAME enable filter NAME
186 --disable-filter=NAME disable filter NAME
187 --disable-filters disable all filters
188 --disable-v4l2_m2m disable V4L2 mem2mem code [autodetect]
190 External library support:
192 Using any of the following switches will allow FFmpeg to link to the
193 corresponding external library. All the components depending on that library
194 will become enabled, if all their other dependencies are met and they are not
195 explicitly disabled. E.g. --enable-libwavpack will enable linking to
196 libwavpack and allow the libwavpack encoder to be built, unless it is
197 specifically disabled with --disable-encoder=libwavpack.
199 Note that only the system libraries are auto-detected. All the other external
200 libraries must be explicitly enabled.
202 Also note that the following help text describes the purpose of the libraries
203 themselves, not all their features will necessarily be usable by FFmpeg.
205 --disable-alsa disable ALSA support [autodetect]
206 --disable-appkit disable Apple AppKit framework [autodetect]
207 --disable-avfoundation disable Apple AVFoundation framework [autodetect]
208 --enable-avisynth enable reading of AviSynth script files [no]
209 --disable-bzlib disable bzlib [autodetect]
210 --disable-coreimage disable Apple CoreImage framework [autodetect]
211 --enable-chromaprint enable audio fingerprinting with chromaprint [no]
212 --enable-frei0r enable frei0r video filtering [no]
213 --enable-gcrypt enable gcrypt, needed for rtmp(t)e support
214 if openssl, librtmp or gmp is not used [no]
215 --enable-gmp enable gmp, needed for rtmp(t)e support
216 if openssl or librtmp is not used [no]
217 --enable-gnutls enable gnutls, needed for https support
218 if openssl is not used [no]
219 --disable-iconv disable iconv [autodetect]
220 --disable-jack disable libjack support [autodetect]
221 --enable-jni enable JNI support [no]
222 --enable-ladspa enable LADSPA audio filtering [no]
223 --enable-libass enable libass subtitles rendering,
224 needed for subtitles and ass filter [no]
225 --enable-libbluray enable BluRay reading using libbluray [no]
226 --enable-libbs2b enable bs2b DSP library [no]
227 --enable-libcaca enable textual display using libcaca [no]
228 --enable-libcelt enable CELT decoding via libcelt [no]
229 --enable-libcdio enable audio CD grabbing with libcdio [no]
230 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
232 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
233 --enable-libflite enable flite (voice synthesis) support via libflite [no]
234 --enable-libfontconfig enable libfontconfig, useful for drawtext filter [no]
235 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
236 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
237 --enable-libgme enable Game Music Emu via libgme [no]
238 --enable-libgsm enable GSM de/encoding via libgsm [no]
239 --enable-libiec61883 enable iec61883 via libiec61883 [no]
240 --enable-libilbc enable iLBC de/encoding via libilbc [no]
241 --enable-libkvazaar enable HEVC encoding via libkvazaar [no]
242 --enable-libmodplug enable ModPlug via libmodplug [no]
243 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
244 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
245 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
246 --enable-libopencv enable video filtering via libopencv [no]
247 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
248 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
249 --enable-libopenmpt enable decoding tracked files via libopenmpt [no]
250 --enable-libopus enable Opus de/encoding via libopus [no]
251 --enable-libpulse enable Pulseaudio input via libpulse [no]
252 --enable-librsvg enable SVG rasterization via librsvg [no]
253 --enable-librubberband enable rubberband needed for rubberband filter [no]
254 --enable-librtmp enable RTMP[E] support via librtmp [no]
255 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
256 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
257 --enable-libsnappy enable Snappy compression, needed for hap encoding [no]
258 --enable-libsoxr enable Include libsoxr resampling [no]
259 --enable-libspeex enable Speex de/encoding via libspeex [no]
260 --enable-libssh enable SFTP protocol via libssh [no]
261 --enable-libtesseract enable Tesseract, needed for ocr filter [no]
262 --enable-libtheora enable Theora encoding via libtheora [no]
263 --enable-libtwolame enable MP2 encoding via libtwolame [no]
264 --enable-libv4l2 enable libv4l2/v4l-utils [no]
265 --enable-libvidstab enable video stabilization using vid.stab [no]
266 --enable-libvmaf enable vmaf filter via libvmaf [no]
267 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
268 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
269 native implementation exists [no]
270 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
271 --enable-libwavpack enable wavpack encoding via libwavpack [no]
272 --enable-libwebp enable WebP encoding via libwebp [no]
273 --enable-libx264 enable H.264 encoding via x264 [no]
274 --enable-libx265 enable HEVC encoding via x265 [no]
275 --enable-libxavs enable AVS encoding via xavs [no]
276 --enable-libxcb enable X11 grabbing using XCB [autodetect]
277 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
278 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
279 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
280 --enable-libxvid enable Xvid encoding via xvidcore,
281 native MPEG-4/Xvid encoder exists [no]
282 --enable-libxml2 enable XML parsing using the C library libxml2 [no]
283 --enable-libzimg enable z.lib, needed for zscale filter [no]
284 --enable-libzmq enable message passing via libzmq [no]
285 --enable-libzvbi enable teletext support via libzvbi [no]
286 --disable-lzma disable lzma [autodetect]
287 --enable-decklink enable Blackmagic DeckLink I/O support [no]
288 --enable-libndi_newtek enable Newteck NDI I/O support [no]
289 --enable-mediacodec enable Android MediaCodec support [no]
290 --enable-libmysofa enable libmysofa, needed for sofalizer filter [no]
291 --enable-openal enable OpenAL 1.1 capture support [no]
292 --enable-opencl enable OpenCL code
293 --enable-opengl enable OpenGL rendering [no]
294 --enable-openssl enable openssl, needed for https support
295 if gnutls is not used [no]
296 --disable-sndio disable sndio support [autodetect]
297 --disable-schannel disable SChannel SSP, needed for TLS support on
298 Windows if openssl and gnutls are not used [autodetect]
299 --disable-sdl2 disable sdl2 [autodetect]
300 --disable-securetransport disable Secure Transport, needed for TLS support
301 on OSX if openssl and gnutls are not used [autodetect]
302 --disable-xlib disable xlib [autodetect]
303 --disable-zlib disable zlib [autodetect]
305 The following libraries provide various hardware acceleration features:
306 --disable-audiotoolbox disable Apple AudioToolbox code [autodetect]
307 --disable-cuda disable dynamically linked Nvidia CUDA code [autodetect]
308 --enable-cuda-sdk enable CUDA features that require the CUDA SDK [no]
309 --disable-cuvid disable Nvidia CUVID support [autodetect]
310 --disable-d3d11va disable Microsoft Direct3D 11 video acceleration code [autodetect]
311 --disable-dxva2 disable Microsoft DirectX 9 video acceleration code [autodetect]
312 --enable-libdrm enable DRM code (Linux) [no]
313 --enable-libmfx enable Intel MediaSDK (AKA Quick Sync Video) code via libmfx [no]
314 --enable-libnpp enable Nvidia Performance Primitives-based code [no]
315 --enable-mmal enable Broadcom Multi-Media Abstraction Layer (Raspberry Pi) via MMAL [no]
316 --disable-nvenc disable Nvidia video encoding code [autodetect]
317 --enable-omx enable OpenMAX IL code [no]
318 --enable-omx-rpi enable OpenMAX IL code for Raspberry Pi [no]
319 --enable-rkmpp enable Rockchip Media Process Platform code [no]
320 --disable-vaapi disable Video Acceleration API (mainly Unix/Intel) code [autodetect]
321 --disable-vda disable Apple Video Decode Acceleration code [autodetect]
322 --disable-vdpau disable Nvidia Video Decode and Presentation API for Unix code [autodetect]
323 --disable-videotoolbox disable VideoToolbox code [autodetect]
326 --arch=ARCH select architecture [$arch]
327 --cpu=CPU select the minimum required CPU (affects
328 instruction selection, may crash on older CPUs)
329 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
330 --progs-suffix=SUFFIX program name suffix []
331 --enable-cross-compile assume a cross-compiler is used
332 --sysroot=PATH root of cross-build tree
333 --sysinclude=PATH location of cross-build system headers
334 --target-os=OS compiler targets OS [$target_os]
335 --target-exec=CMD command to run executables on target
336 --target-path=DIR path to view of build directory on target
337 --target-samples=DIR path to samples directory on target
338 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
339 --toolchain=NAME set tool defaults according to NAME
340 --nm=NM use nm tool NM [$nm_default]
341 --ar=AR use archive tool AR [$ar_default]
342 --as=AS use assembler AS [$as_default]
343 --ln_s=LN_S use symbolic link tool LN_S [$ln_s_default]
344 --strip=STRIP use strip tool STRIP [$strip_default]
345 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
346 --x86asmexe=EXE use nasm-compatible assembler EXE [$x86asmexe_default]
347 --cc=CC use C compiler CC [$cc_default]
348 --cxx=CXX use C compiler CXX [$cxx_default]
349 --objcc=OCC use ObjC compiler OCC [$cc_default]
350 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
351 --nvcc=NVCC use Nvidia CUDA compiler NVCC [$nvcc_default]
352 --ld=LD use linker LD [$ld_default]
353 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
354 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
355 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
356 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
357 --host-cc=HOSTCC use host C compiler HOSTCC
358 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
359 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
360 --host-ld=HOSTLD use host linker HOSTLD
361 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
362 --host-libs=HLIBS use libs HLIBS when linking for host
363 --host-os=OS compiler host OS [$target_os]
364 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
365 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
366 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
367 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
368 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
369 --extra-ldlibflags=ELDFLAGS add ELDFLAGS to LDLIBFLAGS [$LDLIBFLAGS]
370 --extra-libs=ELIBS add ELIBS [$ELIBS]
371 --extra-version=STRING version string suffix []
372 --optflags=OPTFLAGS override optimization-related compiler flags
373 --nvccflags=NVCCFLAGS override nvcc flags [$nvccflags_default]
374 --build-suffix=SUFFIX library name suffix []
375 --enable-pic build position-independent code
376 --enable-thumb compile for Thumb instruction set
377 --enable-lto use link-time optimization
378 --env="ENV=override" override the environment variables
380 Advanced options (experts only):
381 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
382 --custom-allocator=NAME use a supported custom allocator
383 --disable-symver disable symbol versioning
384 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
385 --disable-safe-bitstream-reader
386 disable buffer boundary checking in bitreaders
387 (faster, but may crash)
388 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
390 Optimization options (experts only):
391 --disable-asm disable all assembly optimizations
392 --disable-altivec disable AltiVec optimizations
393 --disable-vsx disable VSX optimizations
394 --disable-power8 disable POWER8 optimizations
395 --disable-amd3dnow disable 3DNow! optimizations
396 --disable-amd3dnowext disable 3DNow! extended optimizations
397 --disable-mmx disable MMX optimizations
398 --disable-mmxext disable MMXEXT optimizations
399 --disable-sse disable SSE optimizations
400 --disable-sse2 disable SSE2 optimizations
401 --disable-sse3 disable SSE3 optimizations
402 --disable-ssse3 disable SSSE3 optimizations
403 --disable-sse4 disable SSE4 optimizations
404 --disable-sse42 disable SSE4.2 optimizations
405 --disable-avx disable AVX optimizations
406 --disable-xop disable XOP optimizations
407 --disable-fma3 disable FMA3 optimizations
408 --disable-fma4 disable FMA4 optimizations
409 --disable-avx2 disable AVX2 optimizations
410 --disable-aesni disable AESNI optimizations
411 --disable-armv5te disable armv5te optimizations
412 --disable-armv6 disable armv6 optimizations
413 --disable-armv6t2 disable armv6t2 optimizations
414 --disable-vfp disable VFP optimizations
415 --disable-neon disable NEON optimizations
416 --disable-inline-asm disable use of inline assembly
417 --disable-x86asm disable use of standalone x86 assembly
418 --disable-mipsdsp disable MIPS DSP ASE R1 optimizations
419 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
420 --disable-msa disable MSA optimizations
421 --disable-mipsfpu disable floating point MIPS optimizations
422 --disable-mmi disable Loongson SIMD optimizations
423 --disable-fast-unaligned consider unaligned accesses slow
425 Developer options (useful when working on FFmpeg itself):
426 --disable-debug disable debugging symbols
427 --enable-debug=LEVEL set the debug level [$debuglevel]
428 --disable-optimizations disable compiler optimizations
429 --enable-extra-warnings enable more compiler warnings
430 --disable-stripping disable stripping of executables and shared libraries
431 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
432 2 causes a slowdown at runtime.
433 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
434 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
435 leaks and errors, using the specified valgrind binary.
436 Cannot be combined with --target-exec
437 --enable-ftrapv Trap arithmetic overflows
438 --samples=PATH location of test samples for FATE, if not set use
439 \$FATE_SAMPLES at make invocation time.
440 --enable-neon-clobber-test check NEON registers for clobbering (should be
441 used only for debugging purposes)
442 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
443 should be used only for debugging purposes)
444 --enable-random randomly enable/disable components
446 --enable-random=LIST randomly enable/disable specific components or
447 --disable-random=LIST component groups. LIST is a comma-separated list
448 of NAME[:PROB] entries where NAME is a component
449 (group) and PROB the probability associated with
451 --random-seed=VALUE seed value for --enable/disable-random
452 --disable-valgrind-backtrace do not print a backtrace under Valgrind
453 (only applies to --disable-optimizations builds)
454 --enable-osfuzz Enable building fuzzer tool
455 --libfuzzer=PATH path to libfuzzer
456 --ignore-tests=TESTS comma-separated list (without "fate-" prefix
457 in the name) of tests whose result is ignored
458 --enable-linux-perf enable Linux Performance Monitor API
460 NOTE: Object files are built at the place where configure is launched.
466 if test -t 1 && which tput >/dev/null 2>&1; then
467 ncolors=$(tput colors)
468 if test -n "$ncolors" && test $ncolors -ge 8; then
469 bold_color=$(tput bold)
470 warn_color=$(tput setaf 3)
471 error_color=$(tput setaf 1)
472 reset_color=$(tput sgr0)
474 # 72 used instead of 80 since that's the default of pr
480 echo "$@" >> $logfile
485 pr -n -t $1 >> $logfile
491 WARNINGS="${WARNINGS}WARNING: $*\n"
496 echo "$error_color$bold_color$@$reset_color"
499 If you think configure made a mistake, make sure you are using the latest
500 version from Git. If the latest version fails, report the problem to the
501 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
503 if disabled logging; then
505 Rerun configure with logging enabled (do not use --disable-logging), and
506 include the log this produces with your report.
510 Include the log file "$logfile" produced by configure as this will help
517 # Avoid locale weirdness, besides we really just want to translate ASCII.
519 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
523 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
527 echo "$*" | sed 's/["\\]/\\\0/g'
531 v=$(echo "$1" | sed "s/'/'\\\\''/g")
532 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
537 echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
544 eval "case $v in $pat) printf '%s ' $v ;; esac"
552 eval "case $v in $pat) ;; *) printf '%s ' $v ;; esac"
559 for v; do eval $m; done
565 for v; do echo ${v}${suffix}; done
580 eval : \${$var:=$value}
585 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
591 eval $(sanitize_var_name "$var")='$*'
595 eval echo \$$(sanitize_var_name "$1")
600 eval level=\${${pvar}_level:=0}
601 eval ${pvar}_${level}="\$$pvar"
602 eval ${pvar}_level=$(($level+1))
608 eval level=\${${pvar}_level:-0}
609 test $level = 0 && continue
610 eval level=$(($level-1))
611 eval $pvar="\${${pvar}_${level}}"
612 eval ${pvar}_level=$level
613 eval unset ${pvar}_${level}
619 eval ${var}_requested=yes
642 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
648 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
654 enabled $var && continue
655 eval sel="\$${var}_select"
656 eval sgs="\$${var}_suggest"
660 enable_deep_weak $sgs
672 disabled $var && continue
681 test "${1#!}" = "$1" && op='=' || op=!=
682 eval test "x\$${1#!}_requested" $op "xyes"
686 test "${1#!}" = "$1" && op='=' || op=!=
687 eval test "x\$${1#!}" $op "xyes"
691 test "${1#!}" = "$1" && op='=' || op=!=
692 eval test "x\$${1#!}" $op "xno"
697 enabled $opt || return 1
703 disabled $opt || return 1
709 enabled $opt && return 0
715 disabled $opt && return 0
722 eval : \${$opt:=\$${opt}_default}
730 [ $var = $value ] && return 0
737 enabled ${cfg}_checking && die "Circular dependency for $cfg."
738 disabled ${cfg}_checking && continue
739 enable ${cfg}_checking
742 eval dep_all="\$${cfg}_deps"
743 eval dep_any="\$${cfg}_deps_any"
744 eval dep_con="\$${cfg}_conflict"
745 eval dep_sel="\$${cfg}_select"
746 eval dep_sgs="\$${cfg}_suggest"
747 eval dep_ifa="\$${cfg}_if"
748 eval dep_ifn="\$${cfg}_if_any"
750 pushvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
751 do_check_deps $dep_all $dep_any $dep_con $dep_sel $dep_sgs $dep_ifa $dep_ifn
752 popvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
754 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
755 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
756 enabled_all $dep_all || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not all dependencies are satisfied: $dep_all"; }
757 enabled_any $dep_any || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not any dependency is satisfied: $dep_any"; }
758 disabled_all $dep_con || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some conflicting dependencies are unsatisfied: $dep_con"; }
759 disabled_any $dep_sel && { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some selected dependency is unsatisfied: $dep_sel"; }
761 if enabled $cfg; then
763 enable_deep_weak $dep_sgs
766 disable ${cfg}_checking
775 for cfg in $allopts; do
776 enabled $cfg || continue
777 eval dep_extralibs="\$${cfg}_extralibs"
778 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
786 map 'eval echo "$v \${$v:-no}"' "$@" |
787 awk "BEGIN { split(\"$files\", files) }
789 c = \"$pfx\" toupper(\$1);
795 if (file ~ /\\.h\$/) {
796 printf(\"#define %s %d\\n\", c, v) >>file;
797 } else if (file ~ /\\.asm\$/) {
798 printf(\"%%define %s %d\\n\", c, v) >>file;
799 } else if (file ~ /\\.mak\$/) {
800 n = -v ? \"\" : \"!\";
801 printf(\"%s%s=yes\\n\", n, c) >>file;
802 } else if (file ~ /\\.texi\$/) {
803 pre = -v ? \"\" : \"@c \";
806 gsub(/_/, \"-\", c2);
807 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
817 enabled $v && printf "%s\n" ${v%$suf}
824 eval "$var=\"\$$var $*\""
830 eval "$var=\"$* \$$var\""
836 for tok in $(eval echo \$$var); do
837 uniq_list="$(filter_out $tok $uniq_list) $tok"
839 eval "$var=\"${uniq_list}\""
847 append CFLAGS $($cflags_filter "$@")
850 add_cflags_headers(){
851 append CFLAGS_HEADERS $($cflags_filter "$@")
855 append CXXFLAGS $($cflags_filter "$@")
859 append ASFLAGS $($asflags_filter "$@")
863 append OBJCFLAGS $($objcflags_filter "$@")
867 append LDFLAGS $($ldflags_filter "$@")
871 append LDEXEFLAGS $($ldflags_filter "$@")
875 append LDLIBFLAGS $($ldflags_filter "$@")
879 append ASMSTRIPFLAGS "$@"
883 prepend extralibs $($ldflags_filter "$@")
887 append host_cppflags "$@"
891 append host_cflags $($host_cflags_filter "$@")
895 append host_ldflags $($host_ldflags_filter "$@")
899 append compat_objs $1
901 map 'add_cppflags -D$v' "$@"
906 "$@" >> $logfile 2>&1
911 stat "$1" >> $logfile 2>&1
915 eval printf '%s\\n' $CC_O
919 eval printf '%s\\n' $CC_E
926 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
933 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
940 check_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
947 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
951 eval printf '%s\\n' $AS_O
958 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
962 log check_inline_asm "$@"
967 check_cc "$@" <<EOF && enable $name
968 void foo(void){ __asm__ volatile($code); }
972 check_inline_asm_flags(){
973 log check_inline_asm_flags "$@"
978 while [ "$1" != "" ]; do
984 void foo(void){ __asm__ volatile($code); }
987 check_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&
988 enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags
993 check_inline_asm ${1}_inline "\"$2\""
994 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
998 log check_x86asm "$@"
1002 check_cmd $x86asmexe $X86ASMFLAGS -Werror "$@" -o $TMPO $TMPS
1006 eval printf '%s\\n' $LD_O
1013 flags=$(filter_out '-l*|*.so' $@)
1014 libs=$(filter '-l*|*.so' $@)
1015 check_$type $($cflags_filter $flags) || return
1016 flags=$($ldflags_filter $flags)
1017 libs=$($ldflags_filter $libs)
1018 check_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
1023 test "${hdr%.h}" = "${hdr}" &&
1024 echo "#include $hdr" ||
1025 echo "#include <$hdr>"
1035 for hdr in $headers; do
1038 echo "int main(void) { $code; return 0; }"
1039 } | check_$check "$@"
1043 log check_cppflags "$@"
1044 check_cpp "$@" <<EOF && append CPPFLAGS "$@"
1050 log test_cflags "$@"
1051 set -- $($cflags_filter "$@")
1058 log check_cflags "$@"
1059 test_cflags "$@" && add_cflags "$@"
1063 log check_cxxflags "$@"
1064 set -- $($cflags_filter "$@")
1065 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
1071 log test_objcflags "$@"
1072 set -- $($objcflags_filter "$@")
1073 check_objcc "$@" <<EOF
1079 log check_objcflags "$@"
1080 test_objcflags "$@" && add_objcflags "$@"
1084 log test_ldflags "$@"
1085 check_ld "cc" "$@" <<EOF
1086 int main(void){ return 0; }
1091 log check_ldflags "$@"
1092 test_ldflags "$@" && add_ldflags "$@"
1096 log test_stripflags "$@"
1097 # call check_cc to get a fresh TMPO
1099 int main(void) { return 0; }
1101 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1105 log check_stripflags "$@"
1106 test_stripflags "$@" && add_stripflags "$@"
1110 log check_header "$@"
1113 disable_safe $header
1114 check_cpp "$@" <<EOF && enable_safe $header
1120 check_header_objcc(){
1121 log check_header_objcc "$@"
1125 disable_safe $header
1127 echo "#include <$header>"
1128 echo "int main(void) { return 0; }"
1129 } | check_objcc && check_stat "$TMPO" && enable_safe $header
1132 check_apple_framework(){
1133 log check_apple_framework "$@"
1135 name="$(tolower $framework)"
1136 header="${framework}/${framework}.h"
1138 check_header_objcc $header && enable $name && add_extralibs "-framework $framework"
1146 check_ld "cc" "$@" <<EOF && enable $func
1148 int main(void){ $func(); }
1152 check_complexfunc(){
1153 log check_complexfunc "$@"
1157 test $narg = 2 && args="f, g" || args="f * I"
1159 check_ld "cc" "$@" <<EOF && enable $func
1160 #include <complex.h>
1162 float foo(complex float f, complex float g) { return $func($args); }
1163 int main(void){ return (int) foo; }
1168 log check_mathfunc "$@"
1172 test $narg = 2 && args="f, g" || args="f"
1174 check_ld "cc" "$@" <<EOF && enable $func
1176 float foo(float f, float g) { return $func($args); }
1177 int main(void){ return (int) foo; }
1181 check_func_headers(){
1182 log check_func_headers "$@"
1187 for hdr in $headers; do
1190 echo "#include <stdint.h>"
1191 for func in $funcs; do
1192 echo "long check_$func(void) { return (long) $func; }"
1194 echo "int main(void) { int ret = 0;"
1195 # LTO could optimize out the test functions without this
1196 for func in $funcs; do
1197 echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"
1199 echo "return ret; }"
1200 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1203 check_class_headers_cpp(){
1204 log check_class_headers_cpp "$@"
1209 for hdr in $headers; do
1210 echo "#include <$hdr>"
1212 echo "int main(void) { "
1214 for class in $classes; do
1215 echo "$class obj$i;"
1219 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1222 check_cpp_condition(){
1223 log check_cpp_condition "$@"
1227 check_cpp "$@" <<EOF
1230 #error "unsatisfied condition: $condition"
1236 log test_cflags_cc "$@"
1241 set -- $($cflags_filter "$flags")
1245 #error "unsatisfied condition: $condition"
1257 check_func_headers "$headers" "$funcs" "$@" &&
1258 enable $name && add_extralibs "$@"
1262 log check_lib_cpp "$@"
1266 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1270 log check_pkg_config "$@"
1278 check_cmd $pkg_config --exists --print-errors $pkg_version || return
1279 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1280 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1281 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1283 set_safe "${pkg}_cflags" $pkg_cflags &&
1284 set_safe "${pkg}_extralibs" $pkg_libs
1288 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1292 log check_exec_crash "$@"
1295 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1296 # are safe but may not be available everywhere. Thus we use
1297 # raise(SIGTERM) instead. The check is run in a subshell so we
1298 # can redirect the "Terminated" message from the shell. SIGBUS
1299 # is not defined by standard C so it is used conditionally.
1301 (check_exec "$@") >> $logfile 2>&1 <<EOF
1303 static void sighandler(int sig){
1309 int (*func_ptr)(void) = foo;
1311 signal(SIGILL, sighandler);
1312 signal(SIGFPE, sighandler);
1313 signal(SIGSEGV, sighandler);
1315 signal(SIGBUS, sighandler);
1327 disable_safe "$type"
1328 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1332 log check_struct "$@"
1337 disable_safe "${struct}_${member}"
1338 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1339 enable_safe "${struct}_${member}"
1343 log check_builtin "$@"
1349 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1352 check_compile_assert(){
1353 log check_compile_assert "$@"
1359 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1369 check_lib $name "$headers" $func "$@" || die "ERROR: $name_version not found"
1377 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1384 check_header "$header" "$@" || die "ERROR: $header header not found"
1387 require_cpp_condition(){
1392 check_cpp_condition "$header" "$condition" "$@" || die "ERROR: $condition not satisfied"
1396 log use_pkg_config "$@"
1398 check_pkg_config "$@" || return 1
1399 add_cflags $(get_safe "${pkg}_cflags")
1400 add_extralibs $(get_safe "${pkg}_extralibs")
1403 require_pkg_config(){
1404 log require_pkg_config "$@"
1406 use_pkg_config "$@" || die "ERROR: $pkg_version not found using pkg-config$pkg_config_fail_message"
1410 eval printf '%s\\n' $HOSTCC_E
1414 eval printf '%s\\n' $HOSTCC_O
1418 log check_host_cc "$@"
1421 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1425 log check_host_cpp "$@"
1428 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1431 check_host_cppflags(){
1432 log check_host_cppflags "$@"
1433 check_host_cpp "$@" <<EOF && append host_cppflags "$@"
1438 check_host_cflags(){
1439 log check_host_cflags "$@"
1440 set -- $($host_cflags_filter "$@")
1441 check_host_cc "$@" <<EOF && append host_cflags "$@"
1446 check_host_cpp_condition(){
1447 log check_host_cpp_condition "$@"
1451 check_host_cpp "$@" <<EOF
1454 #error "unsatisfied condition: $condition"
1460 cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1461 mkdir -p "$(dirname $2)"
1465 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1466 # system-dependent things.
1468 AVCODEC_COMPONENTS="
1476 AVDEVICE_COMPONENTS="
1481 AVFILTER_COMPONENTS="
1485 AVFORMAT_COMPONENTS="
1491 AVRESAMPLE_COMPONENTS=""
1493 AVUTIL_COMPONENTS=""
1497 $AVDEVICE_COMPONENTS
1498 $AVFILTER_COMPONENTS
1499 $AVFORMAT_COMPONENTS
1500 $AVRESAMPLE_COMPONENTS
1505 avio_dir_cmd_example
1506 avio_reading_example
1507 decode_audio_example
1508 decode_video_example
1509 demuxing_decoding_example
1510 encode_audio_example
1511 encode_video_example
1513 filter_audio_example
1514 filtering_audio_example
1515 filtering_video_example
1516 http_multiclient_example
1522 resampling_audio_example
1523 scaling_video_example
1524 transcode_aac_example
1528 EXTERNAL_AUTODETECT_LIBRARY_LIST="
1549 EXTERNAL_LIBRARY_GPL_LIST="
1561 EXTERNAL_LIBRARY_NONFREE_LIST="
1568 EXTERNAL_LIBRARY_VERSION3_LIST="
1576 EXTERNAL_LIBRARY_GPLV3_LIST="
1580 EXTERNAL_LIBRARY_LIST="
1581 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1582 $EXTERNAL_LIBRARY_GPL_LIST
1583 $EXTERNAL_LIBRARY_NONFREE_LIST
1584 $EXTERNAL_LIBRARY_VERSION3_LIST
1585 $EXTERNAL_LIBRARY_GPLV3_LIST
1643 HWACCEL_AUTODETECT_LIBRARY_LIST="
1659 HWACCEL_LIBRARY_NONFREE_LIST="
1664 HWACCEL_LIBRARY_LIST="
1665 $HWACCEL_AUTODETECT_LIBRARY_LIST
1666 $HWACCEL_LIBRARY_NONFREE_LIST
1686 safe_bitstream_reader
1733 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1737 $EXTERNAL_LIBRARY_LIST
1738 $HWACCEL_LIBRARY_LIST
1770 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1771 $HWACCEL_AUTODETECT_LIBRARY_LIST
1813 ARCH_EXT_LIST_MIPS="
1825 ARCH_EXT_LIST_LOONGSON="
1831 ARCH_EXT_LIST_X86_SIMD="
1860 $ARCH_EXT_LIST_X86_SIMD
1870 $ARCH_EXT_LIST_LOONGSON
1893 sync_val_compare_and_swap
1911 cdio_paranoia_paranoia_h
1915 dev_bktr_ioctl_bt848_h
1916 dev_bktr_ioctl_meteor_h
1918 dev_video_bktr_ioctl_bt848_h
1919 dev_video_meteor_ioctl_meteor_h
1929 machine_ioctl_bt848_h
1930 machine_ioctl_meteor_h
1932 opencv2_core_core_c_h
1933 openjpeg_2_2_openjpeg_h
1934 openjpeg_2_1_openjpeg_h
1935 openjpeg_2_0_openjpeg_h
1936 openjpeg_1_5_openjpeg_h
2013 GetProcessAffinityMask
2014 GetProcessMemoryInfo
2017 GetSystemTimeAsFileTime
2024 jack_port_get_latency_range
2041 SetConsoleTextAttribute
2042 SetConsoleCtrlHandler
2050 UTGetOSTypeFromString
2055 TOOLCHAIN_FEATURES="
2069 inline_asm_direct_symbol_refs
2071 inline_asm_nonlocal_labels
2082 CONDITION_VARIABLE_Ptr
2083 kCMVideoCodecType_HEVC
2086 struct_group_source_req
2087 struct_ip_mreq_source
2089 struct_msghdr_msg_flags
2091 struct_rusage_ru_maxrss
2092 struct_sctp_event_subscribe
2094 struct_sockaddr_sa_len
2095 struct_sockaddr_storage
2096 struct_stat_st_mtim_tv_nsec
2097 struct_v4l2_frmivalenum_discrete
2102 $(add_suffix _external $ARCH_EXT_LIST)
2103 $(add_suffix _inline $ARCH_EXT_LIST)
2122 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
2135 # options emitted with CONFIG_ prefix but not available on the command line
2152 frame_thread_encoder
2306 # code dependency declarations
2308 # architecture extensions
2313 armv8_deps="aarch64"
2314 neon_deps_any="aarch64 arm"
2315 intrinsics_neon_deps="neon"
2316 vfp_deps_any="aarch64 arm"
2320 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2322 loongson2_deps="mips"
2323 loongson3_deps="mips"
2326 mipsdspr2_deps="mips"
2327 mips32r2_deps="mips"
2328 mips32r5_deps="mips"
2329 mips32r6_deps="mips"
2330 mips64r2_deps="mips"
2331 mips64r6_deps="mips"
2343 x86_64_select="i686"
2344 x86_64_suggest="fast_cmov"
2347 amd3dnowext_deps="amd3dnow"
2364 mmx_external_deps="x86asm"
2365 mmx_inline_deps="inline_asm"
2366 mmx_suggest="mmx_external mmx_inline"
2368 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2369 eval dep=\$${ext}_deps
2370 eval ${ext}_external_deps='"${dep}_external"'
2371 eval ${ext}_inline_deps='"${dep}_inline"'
2372 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2375 aligned_stack_if_any="aarch64 ppc x86"
2376 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2377 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2378 fast_unaligned_if_any="aarch64 ppc x86"
2379 simd_align_16_if_any="altivec neon sse"
2380 simd_align_32_if_any="avx"
2382 # system capabilities
2383 symver_if_any="symver_asm_label symver_gnu_asm"
2384 valgrind_backtrace_conflict="optimizations"
2385 valgrind_backtrace_deps="valgrind_valgrind_h"
2388 atomics_gcc_if="sync_val_compare_and_swap"
2389 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2390 atomics_win32_if="MemoryBarrier"
2391 atomics_native_if_any="$ATOMICS_LIST"
2392 w32threads_deps="atomics_native"
2393 threads_if_any="$THREADS_LIST"
2397 dirac_parse_select="golomb"
2398 error_resilience_select="me_cmp"
2399 faandct_deps="faan fdctdsp"
2400 faanidct_deps="faan idctdsp"
2401 h264dsp_select="startcode"
2402 hevcparse_select="golomb"
2403 frame_thread_encoder_deps="encoders threads"
2404 intrax8_select="blockdsp idctdsp"
2407 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2408 mpeg_er_select="error_resilience"
2409 mpegaudio_select="mpegaudiodsp mpegaudioheader"
2410 mpegaudiodsp_select="dct"
2411 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2412 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2413 vc1dsp_select="h264chroma qpeldsp startcode"
2416 # decoders / encoders
2417 aac_decoder_select="mdct15 mdct sinewin"
2418 aac_fixed_decoder_select="mdct sinewin"
2419 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2420 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2421 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2422 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2423 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2424 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2425 adpcm_g722_decoder_select="g722dsp"
2426 adpcm_g722_encoder_select="g722dsp"
2427 aic_decoder_select="golomb idctdsp"
2428 alac_encoder_select="lpc"
2429 als_decoder_select="bswapdsp"
2430 amrnb_decoder_select="lsp"
2431 amrwb_decoder_select="lsp"
2432 amv_decoder_select="sp5x_decoder exif"
2433 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2434 ape_decoder_select="bswapdsp llauddsp"
2435 apng_decoder_select="zlib"
2436 apng_encoder_select="llvidencdsp zlib"
2437 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2438 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2439 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2440 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2441 atrac1_decoder_select="mdct sinewin"
2442 atrac3_decoder_select="mdct"
2443 atrac3p_decoder_select="mdct sinewin"
2444 avrn_decoder_select="exif jpegtables"
2445 bink_decoder_select="blockdsp hpeldsp"
2446 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2447 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2448 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2449 clearvideo_decoder_select="idctdsp"
2450 cllc_decoder_select="bswapdsp"
2451 comfortnoise_encoder_select="lpc"
2452 cook_decoder_select="audiodsp mdct sinewin"
2453 cscd_decoder_select="lzo"
2454 cscd_decoder_suggest="zlib"
2455 dca_decoder_select="mdct"
2456 dds_decoder_select="texturedsp"
2457 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2458 dnxhd_decoder_select="blockdsp idctdsp"
2459 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2460 dolby_e_decoder_select="mdct"
2461 dvvideo_decoder_select="dvprofile idctdsp"
2462 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2463 dxa_decoder_select="zlib"
2464 dxv_decoder_select="lzf texturedsp"
2465 eac3_decoder_select="ac3_decoder"
2466 eac3_encoder_select="ac3_encoder"
2467 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2468 eatgq_decoder_select="aandcttables"
2469 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2470 exr_decoder_select="zlib"
2471 ffv1_decoder_select="rangecoder"
2472 ffv1_encoder_select="rangecoder"
2473 ffvhuff_decoder_select="huffyuv_decoder"
2474 ffvhuff_encoder_select="huffyuv_encoder"
2475 fic_decoder_select="golomb"
2476 flac_decoder_select="flacdsp"
2477 flac_encoder_select="bswapdsp flacdsp lpc"
2478 flashsv2_decoder_select="zlib"
2479 flashsv2_encoder_select="zlib"
2480 flashsv_decoder_select="zlib"
2481 flashsv_encoder_select="zlib"
2482 flv_decoder_select="h263_decoder"
2483 flv_encoder_select="h263_encoder"
2484 fourxm_decoder_select="blockdsp bswapdsp"
2485 fraps_decoder_select="bswapdsp huffman"
2486 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2487 g729_decoder_select="audiodsp"
2488 h261_decoder_select="mpegvideo"
2489 h261_encoder_select="aandcttables mpegvideoenc"
2490 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2491 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2492 h263i_decoder_select="h263_decoder"
2493 h263p_decoder_select="h263_decoder"
2494 h263p_encoder_select="h263_encoder"
2495 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2496 h264_decoder_suggest="error_resilience"
2497 hap_decoder_select="snappy texturedsp"
2498 hap_encoder_deps="libsnappy"
2499 hap_encoder_select="texturedspenc"
2500 hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"
2501 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2502 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"
2503 iac_decoder_select="imc_decoder"
2504 imc_decoder_select="bswapdsp fft mdct sinewin"
2505 indeo3_decoder_select="hpeldsp"
2506 indeo4_decoder_select="ividsp"
2507 indeo5_decoder_select="ividsp"
2508 interplay_video_decoder_select="hpeldsp"
2509 jpegls_decoder_select="mjpeg_decoder"
2510 jv_decoder_select="blockdsp"
2511 lagarith_decoder_select="llviddsp"
2512 ljpeg_encoder_select="aandcttables idctdsp jpegtables mpegvideoenc"
2513 magicyuv_decoder_select="llviddsp"
2514 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2515 metasound_decoder_select="lsp mdct sinewin"
2516 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2517 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2518 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2519 mjpegb_decoder_select="mjpeg_decoder"
2520 mlp_decoder_select="mlp_parser"
2521 mlp_encoder_select="lpc"
2522 motionpixels_decoder_select="bswapdsp"
2523 mp1_decoder_select="mpegaudio"
2524 mp1float_decoder_select="mpegaudio"
2525 mp2_decoder_select="mpegaudio"
2526 mp2float_decoder_select="mpegaudio"
2527 mp3_decoder_select="mpegaudio"
2528 mp3adu_decoder_select="mpegaudio"
2529 mp3adufloat_decoder_select="mpegaudio"
2530 mp3float_decoder_select="mpegaudio"
2531 mp3on4_decoder_select="mpegaudio"
2532 mp3on4float_decoder_select="mpegaudio"
2533 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2534 mpc8_decoder_select="mpegaudiodsp"
2535 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2536 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2537 mpegvideo_decoder_select="mpegvideo"
2538 mpeg1video_decoder_select="mpegvideo"
2539 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2540 mpeg2video_decoder_select="mpegvideo"
2541 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2542 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2543 mpeg4_encoder_select="h263_encoder"
2544 msa1_decoder_select="mss34dsp"
2545 mscc_decoder_select="zlib"
2546 msmpeg4v1_decoder_select="h263_decoder"
2547 msmpeg4v2_decoder_select="h263_decoder"
2548 msmpeg4v2_encoder_select="h263_encoder"
2549 msmpeg4v3_decoder_select="h263_decoder"
2550 msmpeg4v3_encoder_select="h263_encoder"
2551 mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"
2552 mts2_decoder_select="mss34dsp"
2553 mxpeg_decoder_select="mjpeg_decoder"
2554 nellymoser_decoder_select="mdct sinewin"
2555 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2556 nuv_decoder_select="idctdsp lzo"
2557 on2avc_decoder_select="mdct"
2558 opus_decoder_deps="swresample"
2559 opus_decoder_select="mdct15"
2560 opus_encoder_select="audio_frame_queue mdct15"
2561 png_decoder_select="zlib"
2562 png_encoder_select="llvidencdsp zlib"
2563 prores_decoder_select="blockdsp idctdsp"
2564 prores_encoder_select="fdctdsp"
2565 qcelp_decoder_select="lsp"
2566 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2567 ra_144_decoder_select="audiodsp"
2568 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2569 ralf_decoder_select="golomb"
2570 rawvideo_decoder_select="bswapdsp"
2571 rscc_decoder_select="zlib"
2572 rtjpeg_decoder_select="me_cmp"
2573 rv10_decoder_select="h263_decoder"
2574 rv10_encoder_select="h263_encoder"
2575 rv20_decoder_select="h263_decoder"
2576 rv20_encoder_select="h263_encoder"
2577 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2578 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2579 screenpresso_decoder_select="zlib"
2580 shorten_decoder_select="bswapdsp"
2581 sipr_decoder_select="lsp"
2582 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2583 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2584 sonic_decoder_select="golomb rangecoder"
2585 sonic_encoder_select="golomb rangecoder"
2586 sonic_ls_encoder_select="golomb rangecoder"
2587 sp5x_decoder_select="mjpeg_decoder"
2588 srgc_decoder_select="zlib"
2589 svq1_decoder_select="hpeldsp"
2590 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2591 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2592 svq3_decoder_suggest="zlib"
2593 tak_decoder_select="audiodsp"
2594 tdsc_decoder_select="zlib mjpeg_decoder"
2595 theora_decoder_select="vp3_decoder"
2596 thp_decoder_select="mjpeg_decoder"
2597 tiff_decoder_suggest="zlib lzma"
2598 tiff_encoder_suggest="zlib"
2599 truehd_decoder_select="mlp_parser"
2600 truehd_encoder_select="lpc"
2601 truemotion2_decoder_select="bswapdsp"
2602 truespeech_decoder_select="bswapdsp"
2603 tscc_decoder_select="zlib"
2604 twinvq_decoder_select="mdct lsp sinewin"
2605 txd_decoder_select="texturedsp"
2606 utvideo_decoder_select="bswapdsp llviddsp"
2607 utvideo_encoder_select="bswapdsp huffman llvidencdsp"
2608 vble_decoder_select="llviddsp"
2609 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2610 vc1_qsv_decoder_deps="libmfx"
2611 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel vc1_parser"
2612 vc1image_decoder_select="vc1_decoder"
2613 vorbis_decoder_select="mdct"
2614 vorbis_encoder_select="mdct"
2615 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2616 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2617 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2618 vp6a_decoder_select="vp6_decoder"
2619 vp6f_decoder_select="vp6_decoder"
2620 vp7_decoder_select="h264pred videodsp vp8dsp"
2621 vp8_decoder_select="h264pred videodsp vp8dsp"
2622 vp9_decoder_select="videodsp vp9_parser"
2623 webp_decoder_select="vp8_decoder exif"
2624 wmalossless_decoder_select="llauddsp"
2625 wmapro_decoder_select="mdct sinewin wma_freqs"
2626 wmav1_decoder_select="mdct sinewin wma_freqs"
2627 wmav1_encoder_select="mdct sinewin wma_freqs"
2628 wmav2_decoder_select="mdct sinewin wma_freqs"
2629 wmav2_encoder_select="mdct sinewin wma_freqs"
2630 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2631 wmv1_decoder_select="h263_decoder"
2632 wmv1_encoder_select="h263_encoder"
2633 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2634 wmv2_encoder_select="h263_encoder wmv2dsp"
2635 wmv3_decoder_select="vc1_decoder"
2636 wmv3image_decoder_select="wmv3_decoder"
2637 xma1_decoder_select="wmapro_decoder"
2638 xma2_decoder_select="wmapro_decoder"
2639 zerocodec_decoder_select="zlib"
2640 zlib_decoder_select="zlib"
2641 zlib_encoder_select="zlib"
2642 zmbv_decoder_select="zlib"
2643 zmbv_encoder_select="zlib"
2645 # hardware accelerators
2646 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2647 cuda_deps_any="libdl LoadLibrary"
2649 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2650 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32"
2651 dxva2_extralibs="-luser32"
2652 vda_framework_deps="VideoDecodeAcceleration_VDADecoder_h blocks_extension"
2653 vda_framework_extralibs="-framework VideoDecodeAcceleration"
2654 vda_deps="vda_framework pthreads"
2655 vda_extralibs="-framework CoreFoundation -framework QuartzCore"
2656 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2657 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2658 xvmc_deps="X11_extensions_XvMClib_h"
2660 h263_vaapi_hwaccel_deps="vaapi"
2661 h263_vaapi_hwaccel_select="h263_decoder"
2662 h263_videotoolbox_hwaccel_deps="videotoolbox"
2663 h263_videotoolbox_hwaccel_select="h263_decoder"
2664 h264_cuvid_hwaccel_deps="cuda cuvid"
2665 h264_cuvid_hwaccel_select="h264_cuvid_decoder"
2666 h264_d3d11va_hwaccel_deps="d3d11va"
2667 h264_d3d11va_hwaccel_select="h264_decoder"
2668 h264_d3d11va2_hwaccel_deps="d3d11va"
2669 h264_d3d11va2_hwaccel_select="h264_decoder"
2670 h264_dxva2_hwaccel_deps="dxva2"
2671 h264_dxva2_hwaccel_select="h264_decoder"
2672 h264_mediacodec_hwaccel_deps="mediacodec"
2673 h264_mmal_hwaccel_deps="mmal"
2674 h264_qsv_hwaccel_deps="libmfx"
2675 h264_vaapi_hwaccel_deps="vaapi"
2676 h264_vaapi_hwaccel_select="h264_decoder"
2677 h264_vda_hwaccel_deps="vda"
2678 h264_vda_hwaccel_select="h264_decoder"
2679 h264_vda_old_hwaccel_deps="vda"
2680 h264_vda_old_hwaccel_select="h264_decoder"
2681 h264_vdpau_hwaccel_deps="vdpau"
2682 h264_vdpau_hwaccel_select="h264_decoder"
2683 h264_videotoolbox_hwaccel_deps="videotoolbox"
2684 h264_videotoolbox_hwaccel_select="h264_decoder"
2685 hevc_cuvid_hwaccel_deps="cuda cuvid"
2686 hevc_cuvid_hwaccel_select="hevc_cuvid_decoder"
2687 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2688 hevc_d3d11va_hwaccel_select="hevc_decoder"
2689 hevc_mediacodec_hwaccel_deps="mediacodec"
2690 hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2691 hevc_d3d11va2_hwaccel_select="hevc_decoder"
2692 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2693 hevc_dxva2_hwaccel_select="hevc_decoder"
2694 hevc_qsv_hwaccel_deps="libmfx"
2695 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2696 hevc_vaapi_hwaccel_select="hevc_decoder"
2697 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2698 hevc_vdpau_hwaccel_select="hevc_decoder"
2699 hevc_videotoolbox_hwaccel_deps="videotoolbox"
2700 hevc_videotoolbox_hwaccel_select="hevc_decoder"
2701 mjpeg_cuvid_hwaccel_deps="cuda cuvid"
2702 mjpeg_cuvid_hwaccel_select="mjpeg_cuvid_decoder"
2703 mpeg_xvmc_hwaccel_deps="xvmc"
2704 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2705 mpeg1_cuvid_hwaccel_deps="cuda cuvid"
2706 mpeg1_cuvid_hwaccel_select="mpeg1_cuvid_decoder"
2707 mpeg1_vdpau_hwaccel_deps="vdpau"
2708 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2709 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2710 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2711 mpeg1_xvmc_hwaccel_deps="xvmc"
2712 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2713 mpeg2_cuvid_hwaccel_deps="cuda cuvid"
2714 mpeg2_cuvid_hwaccel_select="mpeg2_cuvid_decoder"
2715 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2716 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2717 mpeg2_d3d11va2_hwaccel_deps="d3d11va"
2718 mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"
2719 mpeg2_dxva2_hwaccel_deps="dxva2"
2720 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2721 mpeg2_mediacodec_hwaccel_deps="mediacodec"
2722 mpeg2_mmal_hwaccel_deps="mmal"
2723 mpeg2_qsv_hwaccel_deps="libmfx"
2724 mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"
2725 mpeg2_vaapi_hwaccel_deps="vaapi"
2726 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2727 mpeg2_vdpau_hwaccel_deps="vdpau"
2728 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2729 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2730 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2731 mpeg2_xvmc_hwaccel_deps="xvmc"
2732 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2733 mpeg4_cuvid_hwaccel_deps="cuda cuvid"
2734 mpeg4_cuvid_hwaccel_select="mpeg4_cuvid_decoder"
2735 mpeg4_mediacodec_hwaccel_deps="mediacodec"
2736 mpeg4_mmal_hwaccel_deps="mmal"
2737 mpeg4_vaapi_hwaccel_deps="vaapi"
2738 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2739 mpeg4_vdpau_hwaccel_deps="vdpau"
2740 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2741 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2742 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2743 vc1_cuvid_hwaccel_deps="cuda cuvid"
2744 vc1_cuvid_hwaccel_select="vc1_cuvid_decoder"
2745 vc1_d3d11va_hwaccel_deps="d3d11va"
2746 vc1_d3d11va_hwaccel_select="vc1_decoder"
2747 vc1_d3d11va2_hwaccel_deps="d3d11va"
2748 vc1_d3d11va2_hwaccel_select="vc1_decoder"
2749 vc1_dxva2_hwaccel_deps="dxva2"
2750 vc1_dxva2_hwaccel_select="vc1_decoder"
2751 vc1_mmal_hwaccel_deps="mmal"
2752 vc1_qsv_hwaccel_deps="libmfx"
2753 vc1_qsv_hwaccel_select="qsvdec_vc1"
2754 vc1_vaapi_hwaccel_deps="vaapi"
2755 vc1_vaapi_hwaccel_select="vc1_decoder"
2756 vc1_vdpau_hwaccel_deps="vdpau"
2757 vc1_vdpau_hwaccel_select="vc1_decoder"
2758 vp8_cuvid_hwaccel_deps="cuda cuvid"
2759 vp8_cuvid_hwaccel_select="vp8_cuvid_decoder"
2760 vp9_cuvid_hwaccel_deps="cuda cuvid"
2761 vp9_cuvid_hwaccel_select="vp9_cuvid_decoder"
2762 vp8_mediacodec_hwaccel_deps="mediacodec"
2763 vp8_qsv_hwaccel_deps="libmfx"
2764 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2765 vp9_d3d11va_hwaccel_select="vp9_decoder"
2766 vp9_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2767 vp9_d3d11va2_hwaccel_select="vp9_decoder"
2768 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2769 vp9_dxva2_hwaccel_select="vp9_decoder"
2770 vp9_mediacodec_hwaccel_deps="mediacodec"
2771 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"
2772 vp9_vaapi_hwaccel_select="vp9_decoder"
2773 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2774 wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"
2775 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2776 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2777 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2779 # hardware-accelerated codecs
2780 omx_deps="libdl pthreads"
2781 omx_rpi_select="omx"
2784 vaapi_encode_deps="vaapi"
2785 v4l2_m2m_deps_any="linux_videodev2_h"
2787 hwupload_cuda_filter_deps="cuda"
2788 scale_npp_filter_deps="cuda libnpp"
2789 scale_cuda_filter_deps="cuda_sdk"
2790 thumbnail_cuda_filter_deps="cuda_sdk"
2793 nvenc_deps_any="libdl LoadLibrary"
2794 nvenc_encoder_deps="nvenc"
2796 h263_v4l2m2m_decoder_deps="v4l2_m2m h263_v4l2_m2m"
2797 h263_v4l2m2m_encoder_deps="v4l2_m2m h263_v4l2_m2m"
2798 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2799 h264_cuvid_decoder_deps="cuda cuvid"
2800 h264_cuvid_decoder_select="h264_mp4toannexb_bsf"
2801 h264_mediacodec_decoder_deps="mediacodec"
2802 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2803 h264_mmal_decoder_deps="mmal"
2804 h264_nvenc_encoder_deps="nvenc"
2805 h264_omx_encoder_deps="omx"
2806 h264_qsv_decoder_deps="libmfx"
2807 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2808 h264_qsv_encoder_deps="libmfx"
2809 h264_qsv_encoder_select="qsvenc"
2810 h264_rkmpp_decoder_deps="rkmpp"
2811 h264_rkmpp_decoder_select="h264_mp4toannexb_bsf"
2812 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2813 h264_vaapi_encoder_select="vaapi_encode golomb"
2814 h264_vda_decoder_deps="vda"
2815 h264_vda_decoder_select="h264_decoder"
2816 h264_vdpau_decoder_deps="vdpau"
2817 h264_vdpau_decoder_select="h264_decoder"
2818 h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m"
2819 h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"
2820 hevc_cuvid_decoder_deps="cuda cuvid"
2821 hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"
2822 hevc_mediacodec_decoder_deps="mediacodec"
2823 hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"
2824 hevc_nvenc_encoder_deps="nvenc"
2825 hevc_qsv_decoder_deps="libmfx"
2826 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
2827 hevc_qsv_encoder_deps="libmfx"
2828 hevc_qsv_encoder_select="hevcparse qsvenc"
2829 hevc_rkmpp_decoder_deps="rkmpp"
2830 hevc_rkmpp_decoder_select="hevc_mp4toannexb_bsf"
2831 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2832 hevc_vaapi_encoder_select="vaapi_encode golomb"
2833 hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"
2834 hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"
2835 mjpeg_cuvid_decoder_deps="cuda cuvid"
2836 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2837 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2838 mpeg1_cuvid_decoder_deps="cuda cuvid"
2839 mpeg1_vdpau_decoder_deps="vdpau"
2840 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2841 mpeg1_v4l2m2m_decoder_deps="v4l2_m2m mpeg1_v4l2_m2m"
2842 mpeg2_crystalhd_decoder_select="crystalhd"
2843 mpeg2_cuvid_decoder_deps="cuda cuvid"
2844 mpeg2_mmal_decoder_deps="mmal"
2845 mpeg2_mediacodec_decoder_deps="mediacodec"
2846 mpeg2_qsv_decoder_deps="libmfx"
2847 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
2848 mpeg2_qsv_encoder_deps="libmfx"
2849 mpeg2_qsv_encoder_select="qsvenc"
2850 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2851 mpeg2_vaapi_encoder_select="vaapi_encode"
2852 mpeg2_v4l2m2m_decoder_deps="v4l2_m2m mpeg2_v4l2_m2m"
2853 mpeg4_crystalhd_decoder_select="crystalhd"
2854 mpeg4_cuvid_decoder_deps="cuda cuvid"
2855 mpeg4_mediacodec_decoder_deps="mediacodec"
2856 mpeg4_mmal_decoder_deps="mmal"
2857 mpeg4_omx_encoder_deps="omx"
2858 mpeg4_vdpau_decoder_deps="vdpau"
2859 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2860 mpeg4_v4l2m2m_decoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2861 mpeg4_v4l2m2m_encoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2862 mpeg_vdpau_decoder_deps="vdpau"
2863 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2864 msmpeg4_crystalhd_decoder_select="crystalhd"
2865 nvenc_h264_encoder_select="h264_nvenc_encoder"
2866 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2867 vc1_crystalhd_decoder_select="crystalhd"
2868 vc1_cuvid_decoder_deps="cuda cuvid"
2869 vc1_mmal_decoder_deps="mmal"
2870 vc1_vdpau_decoder_deps="vdpau"
2871 vc1_vdpau_decoder_select="vc1_decoder"
2872 vc1_v4l2m2m_decoder_deps="v4l2_m2m vc1_v4l2_m2m"
2873 vp8_cuvid_decoder_deps="cuda cuvid"
2874 vp8_mediacodec_decoder_deps="mediacodec"
2875 vp8_qsv_decoder_deps="libmfx"
2876 vp8_qsv_decoder_select="qsvdec vp8_qsv_hwaccel vp8_parser"
2877 vp8_rkmpp_decoder_deps="rkmpp"
2878 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2879 vp8_vaapi_encoder_select="vaapi_encode"
2880 vp8_v4l2m2m_decoder_deps="v4l2_m2m vp8_v4l2_m2m"
2881 vp8_v4l2m2m_encoder_deps="v4l2_m2m vp8_v4l2_m2m"
2882 vp9_cuvid_decoder_deps="cuda cuvid"
2883 vp9_mediacodec_decoder_deps="mediacodec"
2884 vp9_rkmpp_decoder_deps="rkmpp"
2885 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
2886 vp9_vaapi_encoder_select="vaapi_encode"
2887 vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m"
2888 wmv3_crystalhd_decoder_select="crystalhd"
2889 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2892 h264_parser_select="golomb h264dsp h264parse"
2893 hevc_parser_select="hevcparse"
2894 mpegaudio_parser_select="mpegaudioheader"
2895 mpegvideo_parser_select="mpegvideo"
2896 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2897 vc1_parser_select="vc1dsp"
2900 mjpeg2jpeg_bsf_select="jpegtables"
2902 # external libraries
2903 aac_at_decoder_deps="audiotoolbox"
2904 ac3_at_decoder_deps="audiotoolbox"
2905 ac3_at_decoder_select="ac3_parser"
2906 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
2907 alac_at_decoder_deps="audiotoolbox"
2908 amr_nb_at_decoder_deps="audiotoolbox"
2909 avisynth_deps_any="libdl LoadLibrary"
2910 avisynth_demuxer_deps="avisynth"
2911 avisynth_demuxer_select="riffdec"
2912 eac3_at_decoder_deps="audiotoolbox"
2913 eac3_at_decoder_select="ac3_parser"
2914 gsm_ms_at_decoder_deps="audiotoolbox"
2915 ilbc_at_decoder_deps="audiotoolbox"
2916 mp1_at_decoder_deps="audiotoolbox"
2917 mp2_at_decoder_deps="audiotoolbox"
2918 mp3_at_decoder_deps="audiotoolbox"
2919 mp1_at_decoder_select="mpegaudioheader"
2920 mp2_at_decoder_select="mpegaudioheader"
2921 mp3_at_decoder_select="mpegaudioheader"
2922 pcm_alaw_at_decoder_deps="audiotoolbox"
2923 pcm_mulaw_at_decoder_deps="audiotoolbox"
2924 qdmc_at_decoder_deps="audiotoolbox"
2925 qdm2_at_decoder_deps="audiotoolbox"
2926 aac_at_encoder_deps="audiotoolbox"
2927 aac_at_encoder_select="audio_frame_queue"
2928 alac_at_encoder_deps="audiotoolbox"
2929 alac_at_encoder_select="audio_frame_queue"
2930 ilbc_at_encoder_deps="audiotoolbox"
2931 ilbc_at_encoder_select="audio_frame_queue"
2932 pcm_alaw_at_encoder_deps="audiotoolbox"
2933 pcm_alaw_at_encoder_select="audio_frame_queue"
2934 pcm_mulaw_at_encoder_deps="audiotoolbox"
2935 pcm_mulaw_at_encoder_select="audio_frame_queue"
2936 chromaprint_muxer_deps="chromaprint"
2937 h264_videotoolbox_encoder_deps="videotoolbox_encoder pthreads"
2938 libcelt_decoder_deps="libcelt"
2939 libfdk_aac_decoder_deps="libfdk_aac"
2940 libfdk_aac_encoder_deps="libfdk_aac"
2941 libfdk_aac_encoder_select="audio_frame_queue"
2942 libgme_demuxer_deps="libgme"
2943 libgsm_decoder_deps="libgsm"
2944 libgsm_encoder_deps="libgsm"
2945 libgsm_ms_decoder_deps="libgsm"
2946 libgsm_ms_encoder_deps="libgsm"
2947 libilbc_decoder_deps="libilbc"
2948 libilbc_encoder_deps="libilbc"
2949 libkvazaar_encoder_deps="libkvazaar"
2950 libmodplug_demuxer_deps="libmodplug"
2951 libmp3lame_encoder_deps="libmp3lame"
2952 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
2953 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2954 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2955 libopencore_amrnb_encoder_select="audio_frame_queue"
2956 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2957 libopenh264_decoder_deps="libopenh264"
2958 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2959 libopenh264_encoder_deps="libopenh264"
2960 libopenjpeg_decoder_deps="libopenjpeg"
2961 libopenjpeg_encoder_deps="libopenjpeg"
2962 libopenmpt_demuxer_deps="libopenmpt"
2963 libopus_decoder_deps="libopus"
2964 libopus_encoder_deps="libopus"
2965 libopus_encoder_select="audio_frame_queue"
2966 librsvg_decoder_deps="librsvg"
2967 libshine_encoder_deps="libshine"
2968 libshine_encoder_select="audio_frame_queue"
2969 libspeex_decoder_deps="libspeex"
2970 libspeex_encoder_deps="libspeex"
2971 libspeex_encoder_select="audio_frame_queue"
2972 libtheora_encoder_deps="libtheora"
2973 libtwolame_encoder_deps="libtwolame"
2974 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2975 libvorbis_decoder_deps="libvorbis"
2976 libvorbis_encoder_deps="libvorbis"
2977 libvorbis_encoder_select="audio_frame_queue"
2978 libvpx_vp8_decoder_deps="libvpx"
2979 libvpx_vp8_encoder_deps="libvpx"
2980 libvpx_vp9_decoder_deps="libvpx"
2981 libvpx_vp9_encoder_deps="libvpx"
2982 libwavpack_encoder_deps="libwavpack"
2983 libwavpack_encoder_select="audio_frame_queue"
2984 libwebp_encoder_deps="libwebp"
2985 libwebp_anim_encoder_deps="libwebp"
2986 libx262_encoder_deps="libx262"
2987 libx264_encoder_deps="libx264"
2988 libx264rgb_encoder_deps="libx264 x264_csp_bgr"
2989 libx264rgb_encoder_select="libx264_encoder"
2990 libx265_encoder_deps="libx265"
2991 libxavs_encoder_deps="libxavs"
2992 libxvid_encoder_deps="libxvid"
2993 libzvbi_teletext_decoder_deps="libzvbi"
2994 videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework CoreVideo"
2995 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
2996 videotoolbox_encoder_suggest="vda_framework"
2999 ac3_demuxer_select="ac3_parser"
3000 aiff_muxer_select="iso_media"
3001 asf_demuxer_select="riffdec"
3002 asf_o_demuxer_select="riffdec"
3003 asf_muxer_select="riffenc"
3004 asf_stream_muxer_select="asf_muxer"
3005 avi_demuxer_select="iso_media riffdec exif"
3006 avi_muxer_select="riffenc"
3007 caf_demuxer_select="iso_media riffdec"
3008 caf_muxer_select="iso_media"
3009 dash_muxer_select="mp4_muxer"
3010 dash_demuxer_deps="libxml2"
3011 dirac_demuxer_select="dirac_parser"
3012 dts_demuxer_select="dca_parser"
3013 dtshd_demuxer_select="dca_parser"
3014 dv_demuxer_select="dvprofile"
3015 dv_muxer_select="dvprofile"
3016 dxa_demuxer_select="riffdec"
3017 eac3_demuxer_select="ac3_parser"
3018 f4v_muxer_select="mov_muxer"
3019 fifo_muxer_deps="threads"
3020 flac_demuxer_select="flac_parser"
3021 hds_muxer_select="flv_muxer"
3022 hls_muxer_select="mpegts_muxer"
3023 image2_alias_pix_demuxer_select="image2_demuxer"
3024 image2_brender_pix_demuxer_select="image2_demuxer"
3025 ipod_muxer_select="mov_muxer"
3026 ismv_muxer_select="mov_muxer"
3027 matroska_audio_muxer_select="matroska_muxer"
3028 matroska_demuxer_select="iso_media riffdec"
3029 matroska_demuxer_suggest="bzlib lzo zlib"
3030 matroska_muxer_select="iso_media riffenc"
3031 mmf_muxer_select="riffenc"
3032 mov_demuxer_select="iso_media riffdec"
3033 mov_demuxer_suggest="zlib"
3034 mov_muxer_select="iso_media riffenc rtpenc_chain"
3035 mp3_demuxer_select="mpegaudio_parser"
3036 mp3_muxer_select="mpegaudioheader"
3037 mp4_muxer_select="mov_muxer"
3038 mpegts_demuxer_select="iso_media"
3039 mpegts_muxer_select="adts_muxer latm_muxer"
3040 mpegtsraw_demuxer_select="mpegts_demuxer"
3041 mxf_d10_muxer_select="mxf_muxer"
3042 mxf_opatom_muxer_select="mxf_muxer"
3043 nut_muxer_select="riffenc"
3044 nuv_demuxer_select="riffdec"
3045 oga_muxer_select="ogg_muxer"
3046 ogg_demuxer_select="dirac_parse"
3047 ogv_muxer_select="ogg_muxer"
3048 opus_muxer_select="ogg_muxer"
3049 psp_muxer_select="mov_muxer"
3050 rtp_demuxer_select="sdp_demuxer"
3051 rtp_muxer_select="golomb"
3052 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
3053 rtsp_demuxer_select="http_protocol rtpdec"
3054 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
3055 sap_demuxer_select="sdp_demuxer"
3056 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
3057 sdp_demuxer_select="rtpdec"
3058 smoothstreaming_muxer_select="ismv_muxer"
3059 spdif_muxer_select="aac_parser"
3060 spx_muxer_select="ogg_muxer"
3061 swf_demuxer_suggest="zlib"
3062 tak_demuxer_select="tak_parser"
3063 tg2_muxer_select="mov_muxer"
3064 tgp_muxer_select="mov_muxer"
3065 vobsub_demuxer_select="mpegps_demuxer"
3066 w64_demuxer_select="wav_demuxer"
3067 w64_muxer_select="wav_muxer"
3068 wav_demuxer_select="riffdec"
3069 wav_muxer_select="riffenc"
3070 webm_muxer_select="iso_media riffenc"
3071 webm_dash_manifest_demuxer_select="matroska_demuxer"
3072 wtv_demuxer_select="mpegts_demuxer riffdec"
3073 wtv_muxer_select="mpegts_muxer riffenc"
3074 xmv_demuxer_select="riffdec"
3075 xwma_demuxer_select="riffdec"
3078 alsa_indev_deps="alsa"
3079 alsa_outdev_deps="alsa"
3080 avfoundation_indev_deps="avfoundation pthreads"
3081 avfoundation_indev_extralibs="-framework Foundation -framework CoreVideo -framework CoreMedia"
3082 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
3083 caca_outdev_deps="libcaca"
3084 decklink_indev_deps="decklink threads libdl"
3085 decklink_indev_extralibs="-lstdc++"
3086 decklink_outdev_deps="decklink threads libdl"
3087 decklink_outdev_extralibs="-lstdc++"
3088 libndi_newtek_indev_deps="libndi_newtek libdl"
3089 libndi_newtek_indev_extralibs="-lndi"
3090 libndi_newtek_outdev_deps="libndi_newtek libdl"
3091 libndi_newtek_outdev_extralibs="-lndi"
3092 dshow_indev_deps="IBaseFilter"
3093 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
3094 fbdev_indev_deps="linux_fb_h"
3095 fbdev_outdev_deps="linux_fb_h"
3096 gdigrab_indev_deps="CreateDIBSection"
3097 gdigrab_indev_extralibs="-lgdi32"
3098 gdigrab_indev_select="bmp_decoder"
3099 iec61883_indev_deps="libiec61883"
3100 jack_indev_deps="jack"
3101 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
3102 kmsgrab_indev_deps="libdrm"
3103 lavfi_indev_deps="avfilter"
3104 libcdio_indev_deps="libcdio"
3105 libdc1394_indev_deps="libdc1394"
3106 libv4l2_indev_deps="libv4l2"
3107 openal_indev_deps="openal"
3108 opengl_outdev_deps="opengl"
3109 oss_indev_deps_any="soundcard_h sys_soundcard_h"
3110 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
3111 pulse_indev_deps="libpulse"
3112 pulse_outdev_deps="libpulse"
3113 sdl2_outdev_deps="sdl2"
3114 sndio_indev_deps="sndio"
3115 sndio_outdev_deps="sndio"
3116 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
3117 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
3118 vfwcap_indev_deps="vfw32 vfwcap_defines"
3119 xcbgrab_indev_deps="libxcb"
3120 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
3121 xv_outdev_extralibs="-lXv -lX11 -lXext"
3124 async_protocol_deps="threads"
3125 bluray_protocol_deps="libbluray"
3126 ffrtmpcrypt_protocol_conflict="librtmp_protocol"
3127 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
3128 ffrtmpcrypt_protocol_select="tcp_protocol"
3129 ffrtmphttp_protocol_conflict="librtmp_protocol"
3130 ffrtmphttp_protocol_select="http_protocol"
3131 ftp_protocol_select="tcp_protocol"
3132 gopher_protocol_select="network"
3133 http_protocol_select="tcp_protocol"
3134 httpproxy_protocol_select="tcp_protocol"
3135 https_protocol_select="tls_protocol"
3136 icecast_protocol_select="http_protocol"
3137 librtmp_protocol_deps="librtmp"
3138 librtmpe_protocol_deps="librtmp"
3139 librtmps_protocol_deps="librtmp"
3140 librtmpt_protocol_deps="librtmp"
3141 librtmpte_protocol_deps="librtmp"
3142 libsmbclient_protocol_deps="libsmbclient gplv3"
3143 libssh_protocol_deps="libssh"
3144 mmsh_protocol_select="http_protocol"
3145 mmst_protocol_select="network"
3146 rtmp_protocol_conflict="librtmp_protocol"
3147 rtmp_protocol_select="tcp_protocol"
3148 rtmpe_protocol_select="ffrtmpcrypt_protocol"
3149 rtmps_protocol_conflict="librtmp_protocol"
3150 rtmps_protocol_select="tls_protocol"
3151 rtmpt_protocol_select="ffrtmphttp_protocol"
3152 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
3153 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
3154 rtp_protocol_select="udp_protocol"
3155 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
3156 sctp_protocol_select="network"
3157 srtp_protocol_select="rtp_protocol srtp"
3158 tcp_protocol_select="network"
3159 tls_gnutls_protocol_conflict="tls_schannel_protocol tls_securetransport_protocol"
3160 tls_gnutls_protocol_deps="gnutls"
3161 tls_gnutls_protocol_select="tcp_protocol"
3162 tls_openssl_protocol_conflict="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol"
3163 tls_openssl_protocol_deps="openssl"
3164 tls_openssl_protocol_select="tcp_protocol"
3165 tls_schannel_protocol_deps="schannel"
3166 tls_schannel_protocol_select="tcp_protocol"
3167 tls_securetransport_protocol_deps="securetransport"
3168 tls_securetransport_protocol_select="tcp_protocol"
3169 tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
3170 udp_protocol_select="network"
3171 udplite_protocol_select="network"
3172 unix_protocol_deps="sys_un_h"
3173 unix_protocol_select="network"
3176 afftfilt_filter_deps="avcodec"
3177 afftfilt_filter_select="fft"
3178 afir_filter_deps="avcodec"
3179 afir_filter_select="fft"
3180 amovie_filter_deps="avcodec avformat"
3181 aresample_filter_deps="swresample"
3182 ass_filter_deps="libass"
3183 atempo_filter_deps="avcodec"
3184 atempo_filter_select="rdft"
3185 azmq_filter_deps="libzmq"
3186 blackframe_filter_deps="gpl"
3187 boxblur_filter_deps="gpl"
3188 bs2b_filter_deps="libbs2b"
3189 colormatrix_filter_deps="gpl"
3190 coreimage_filter_deps="coreimage appkit"
3191 coreimage_filter_extralibs="-framework OpenGL"
3192 coreimagesrc_filter_deps="coreimage appkit"
3193 coreimagesrc_filter_extralibs="-framework OpenGL"
3194 cover_rect_filter_deps="avcodec avformat gpl"
3195 cropdetect_filter_deps="gpl"
3196 deinterlace_qsv_filter_deps="libmfx"
3197 deinterlace_vaapi_filter_deps="vaapi"
3198 delogo_filter_deps="gpl"
3199 deshake_filter_select="pixelutils"
3200 drawtext_filter_deps="libfreetype"
3201 elbg_filter_deps="avcodec"
3202 eq_filter_deps="gpl"
3203 fftfilt_filter_deps="avcodec"
3204 fftfilt_filter_select="rdft"
3205 find_rect_filter_deps="avcodec avformat gpl"
3206 firequalizer_filter_deps="avcodec"
3207 firequalizer_filter_select="rdft"
3208 flite_filter_deps="libflite"
3209 framerate_filter_select="pixelutils"
3210 frei0r_filter_deps="frei0r libdl"
3211 frei0r_src_filter_deps="frei0r libdl"
3212 fspp_filter_deps="gpl"
3213 geq_filter_deps="gpl"
3214 histeq_filter_deps="gpl"
3215 hqdn3d_filter_deps="gpl"
3216 interlace_filter_deps="gpl"
3217 kerndeint_filter_deps="gpl"
3218 ladspa_filter_deps="ladspa libdl"
3219 mcdeint_filter_deps="avcodec gpl"
3220 movie_filter_deps="avcodec avformat"
3221 mpdecimate_filter_deps="gpl"
3222 mpdecimate_filter_select="pixelutils"
3223 mptestsrc_filter_deps="gpl"
3224 negate_filter_deps="lut_filter"
3225 nnedi_filter_deps="gpl"
3226 ocr_filter_deps="libtesseract"
3227 ocv_filter_deps="libopencv"
3228 owdenoise_filter_deps="gpl"
3229 pan_filter_deps="swresample"
3230 perspective_filter_deps="gpl"
3231 phase_filter_deps="gpl"
3232 pp7_filter_deps="gpl"
3233 pp_filter_deps="gpl postproc"
3234 pullup_filter_deps="gpl"
3235 removelogo_filter_deps="avcodec avformat swscale"
3236 repeatfields_filter_deps="gpl"
3237 resample_filter_deps="avresample"
3238 rubberband_filter_deps="librubberband"
3239 sab_filter_deps="gpl swscale"
3240 scale2ref_filter_deps="swscale"
3241 scale_filter_deps="swscale"
3242 scale_qsv_filter_deps="libmfx"
3243 select_filter_select="pixelutils"
3244 showcqt_filter_deps="avcodec avformat swscale"
3245 showcqt_filter_select="fft"
3246 showfreqs_filter_deps="avcodec"
3247 showfreqs_filter_select="fft"
3248 showspectrum_filter_deps="avcodec"
3249 showspectrum_filter_select="fft"
3250 showspectrumpic_filter_deps="avcodec"
3251 showspectrumpic_filter_select="fft"
3252 signature_filter_deps="gpl avcodec avformat"
3253 smartblur_filter_deps="gpl swscale"
3254 sofalizer_filter_deps="libmysofa avcodec"
3255 sofalizer_filter_select="fft"
3256 spectrumsynth_filter_deps="avcodec"
3257 spectrumsynth_filter_select="fft"
3258 spp_filter_deps="gpl avcodec"
3259 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
3260 stereo3d_filter_deps="gpl"
3261 subtitles_filter_deps="avformat avcodec libass"
3262 super2xsai_filter_deps="gpl"
3263 pixfmts_super2xsai_test_deps="super2xsai_filter"
3264 tinterlace_filter_deps="gpl"
3265 tinterlace_merge_test_deps="tinterlace_filter"
3266 tinterlace_pad_test_deps="tinterlace_filter"
3267 tonemap_filter_deps="const_nan"
3268 uspp_filter_deps="gpl avcodec"
3269 vaguedenoiser_filter_deps="gpl"
3270 vidstabdetect_filter_deps="libvidstab"
3271 vidstabtransform_filter_deps="libvidstab"
3272 libvmaf_filter_deps="libvmaf"
3273 zmq_filter_deps="libzmq"
3274 zoompan_filter_deps="swscale"
3275 zscale_filter_deps="libzimg const_nan"
3276 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3279 avio_dir_cmd_deps="avformat avutil"
3280 avio_reading_deps="avformat avcodec avutil"
3281 decode_audio_example_deps="avcodec avutil"
3282 decode_video_example_deps="avcodec avutil"
3283 demuxing_decoding_example_deps="avcodec avformat avutil"
3284 encode_audio_example_deps="avcodec avutil"
3285 encode_video_example_deps="avcodec avutil"
3286 extract_mvs_example_deps="avcodec avformat avutil"
3287 filter_audio_example_deps="avfilter avutil"
3288 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3289 filtering_video_example_deps="avfilter avcodec avformat avutil"
3290 http_multiclient_example_deps="avformat avutil fork"
3291 hw_decode_example_deps="avcodec avformat avutil"
3292 metadata_example_deps="avformat avutil"
3293 muxing_example_deps="avcodec avformat avutil swscale"
3294 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
3295 remuxing_example_deps="avcodec avformat avutil"
3296 resampling_audio_example_deps="avutil swresample"
3297 scaling_video_example_deps="avutil swscale"
3298 transcode_aac_example_deps="avcodec avformat swresample"
3299 transcoding_example_deps="avfilter avcodec avformat avutil"
3301 # libraries, in linking order
3302 avcodec_deps="avutil"
3303 avcodec_select="null_bsf"
3304 avdevice_deps="avformat avcodec avutil"
3305 avfilter_deps="avutil"
3306 avformat_deps="avcodec avutil"
3307 avformat_suggest="network"
3308 avresample_deps="avutil"
3309 postproc_deps="avutil gpl"
3310 swresample_deps="avutil"
3311 swscale_deps="avutil"
3314 ffmpeg_deps="avcodec avfilter avformat swresample"
3315 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3318 ffplay_deps="avcodec avformat swscale swresample sdl2"
3319 ffplay_extralibs='$sdl2_extralibs'
3320 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3321 ffprobe_deps="avcodec avformat"
3322 ffserver_deps="avformat fork sarestart"
3323 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
3326 podpages_deps="perl"
3327 manpages_deps="perl pod2man"
3328 htmlpages_deps="perl"
3329 htmlpages_deps_any="makeinfo_html texi2html"
3330 txtpages_deps="perl makeinfo"
3331 doc_deps_any="manpages htmlpages podpages txtpages"
3333 # default parameters
3335 logfile="ffbuild/config.log"
3337 # installation paths
3338 prefix_default="/usr/local"
3339 bindir_default='${prefix}/bin'
3340 datadir_default='${prefix}/share/ffmpeg'
3341 docdir_default='${prefix}/share/doc/ffmpeg'
3342 incdir_default='${prefix}/include'
3343 libdir_default='${prefix}/lib'
3344 mandir_default='${prefix}/share/man'
3350 host_cc_default="gcc"
3351 doxygen_default="doxygen"
3353 ln_s_default="ln -s -f"
3355 pkg_config_default=pkg-config
3356 ranlib_default="ranlib"
3357 strip_default="strip"
3358 version_script='--version-script'
3359 x86asmexe_default="nasm"
3360 windres_default="windres"
3362 nvccflags_default="-gencode arch=compute_30,code=sm_30 -O2"
3365 target_os_default=$(tolower $(uname -s))
3366 host_os=$target_os_default
3369 if test "$target_os_default" = aix; then
3370 arch_default=$(uname -p)
3371 strip_default="strip -X32_64"
3373 arch_default=$(uname -m)
3378 # configurable options
3379 enable $PROGRAM_LIST
3380 enable $DOCUMENT_LIST
3381 enable $EXAMPLE_LIST
3382 enable $(filter_out avresample $LIBRARY_LIST)
3388 enable faan faandct faanidct
3389 enable optimizations
3390 enable runtime_cpudetect
3391 enable safe_bitstream_reader
3393 enable swscale_alpha
3394 enable valgrind_backtrace
3396 sws_max_filter_size_default=256
3397 set_default sws_max_filter_size
3400 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3403 FULLNAME='$(NAME)$(BUILDSUF)'
3404 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3407 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3408 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3409 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3410 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3411 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3412 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3413 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
3440 host_extralibs='-lm'
3441 host_cflags_filter=echo
3442 host_ldflags_filter=echo
3444 target_path='$(CURDIR)'
3446 # since the object filename is not given with the -MM flag, the compiler
3447 # is only able to print the basename, and we must add the path ourselves
3448 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3454 if test -f configure; then
3457 source_path=$(cd $(dirname "$0"); pwd)
3458 case "$source_path" in
3459 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3461 test -e "$source_path/config.h" &&
3462 die "Out of tree builds are impossible with config.h in source dir."
3469 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3475 file=$source_path/$3
3476 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3479 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
3480 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
3481 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
3482 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
3483 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
3484 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
3485 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
3486 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
3487 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3489 find_things_extern(){
3492 file=$source_path/$3
3493 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
3496 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3497 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3513 for n in $COMPONENT_LIST; do
3514 v=$(toupper ${n%s})_LIST
3516 eval ${n}_if_any="\$$v"
3519 enable $ARCH_EXT_LIST
3522 echo "Unknown option \"$1\"."
3523 echo "See $0 --help for available options."
3527 print_in_columns() {
3528 cols=$(expr $ncols / 24)
3529 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3535 echo $* | sed s/$suffix//g | print_in_columns
3547 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3548 echo "prob ${prob:-0.5}"
3556 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3557 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3566 --extra-ldexeflags=*)
3567 add_ldexeflags $optval
3569 --extra-ldlibflags=*)
3570 add_ldlibflags $optval
3573 add_extralibs $optval
3576 disable $INDEV_LIST $OUTDEV_LIST
3579 debuglevel="$optval"
3582 disable $PROGRAM_LIST
3584 --disable-everything)
3585 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3588 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3589 disable $LIBRARY_LIST $PROGRAM_LIST doc
3592 --enable-random|--disable-random)
3593 action=${opt%%-random}
3594 do_random ${action#--} $COMPONENT_LIST
3596 --enable-random=*|--disable-random=*)
3597 action=${opt%%-random=*}
3598 do_random ${action#--} $optval
3603 --enable-*=*|--disable-*=*)
3604 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3605 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3606 eval list=\$$(toupper $thing)_LIST
3607 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3608 list=$(filter "$name" $list)
3609 [ "$list" = "" ] && warn "Option $opt did not match anything"
3612 --enable-yasm|--disable-yasm)
3613 warn "The ${opt} option is only provided for compatibility and will be\n"\
3614 "removed in the future. Use --enable-x86asm / --disable-x86asm instead."
3615 test $opt = --enable-yasm && x86asm=yes || x86asm=no
3618 warn "The --yasmexe option is only provided for compatibility and will be\n"\
3619 "removed in the future. Use --x86asmexe instead."
3622 --enable-?*|--disable-?*)
3623 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3624 if is_in $option $COMPONENT_LIST; then
3625 test $action = disable && action=unset
3626 eval $action \$$(toupper ${option%s})_LIST
3627 elif is_in $option $CMDLINE_SELECT; then
3634 NAME="${opt#--list-}"
3635 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3637 eval show_list $NAME \$$(toupper $NAME)_LIST
3639 --help|-h) show_help
3641 --quiet|-q) quiet=yes
3643 --fatal-warnings) enable fatal_warnings
3646 libfuzzer_path="$optval"
3649 optname="${opt%%=*}"
3650 optname="${optname#--}"
3651 optname=$(echo "$optname" | sed 's/-/_/g')
3652 if is_in $optname $CMDLINE_SET; then
3653 eval $optname='$optval'
3654 elif is_in $optname $CMDLINE_APPEND; then
3655 append $optname "$optval"
3667 if disabled autodetect; then
3669 # Unless iconv is explicitely disabled by the user, we still want to probe
3670 # for the iconv from the libc.
3671 disabled iconv || enable libc_iconv
3673 disable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3674 disable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3676 # Mark specifically enabled, but normally autodetected libraries as requested.
3677 for lib in $AUTODETECT_LIBS; do
3678 enabled $lib && request $lib
3680 #TODO: switch to $AUTODETECT_LIBS when $THREADS_LIST is supported the same way
3681 enable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3682 enable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3684 disabled logging && logfile=/dev/null
3686 die_license_disabled() {
3687 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
3690 die_license_disabled_gpl() {
3691 enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }
3694 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3695 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3697 enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST
3698 map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST
3700 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3702 # Disable all the library-specific components if the library itself
3703 # is disabled, see AVCODEC_LIST and following _LIST variables.
3705 disable_components(){
3706 disabled ${1} && disable $(
3707 eval components="\$$(toupper ${1})_COMPONENTS"
3708 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3712 map 'disable_components $v' $LIBRARY_LIST
3714 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3717 test -n "$valgrind" && toolchain="valgrind-memcheck"
3719 enabled ossfuzz && {
3720 add_cflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer
3721 add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp
3724 case "$toolchain" in
3726 cc_default="${toolchain%-asan}"
3727 add_cflags -fsanitize=address
3728 add_ldflags -fsanitize=address
3731 cc_default="${toolchain%-msan}"
3732 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
3733 add_ldflags -fsanitize=memory
3736 cc_default="${toolchain%-tsan}"
3737 add_cflags -fsanitize=thread -fPIE
3738 add_ldflags -fsanitize=thread -pie
3739 case "$toolchain" in
3747 cc_default="${toolchain%-usan}"
3748 add_cflags -fsanitize=undefined
3749 add_ldflags -fsanitize=undefined
3752 target_exec_default="valgrind"
3753 case "$toolchain" in
3755 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
3758 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3763 # Check whether the current MSVC version needs the C99 converter.
3764 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3765 # support enough of C99 to build ffmpeg. Default to the new
3766 # behaviour if the regexp was unable to match anything, since this
3767 # successfully parses the version number of existing supported
3768 # versions that require the converter (MSVC 2010 and 2012).
3769 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3770 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3774 cc_default="c99wrap cl"
3775 cxx_default="c99wrap cl"
3777 ld_default="$source_path/compat/windows/mslink"
3778 nm_default="dumpbin -symbols"
3785 target_os_default="win32"
3786 # Use a relative path for TMPDIR. This makes sure all the
3787 # ffconf temp files are written with a relative path, avoiding
3788 # issues with msys/win32 path conversion for MSVC parameters
3789 # such as -Fo<file> or -out:<file>.
3795 nm_default="dumpbin -symbols"
3797 target_os_default="win32"
3801 add_cflags -fprofile-arcs -ftest-coverage
3802 add_ldflags -fprofile-arcs -ftest-coverage
3805 add_cflags -fprofile-arcs -ftest-coverage
3806 add_ldflags --coverage
3809 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3810 add_cflags -fno-strict-overflow -fstack-protector-all
3811 add_ldflags -Wl,-z,relro -Wl,-z,now
3813 add_ldexeflags -fPIE -pie
3816 die "Unknown toolchain $toolchain"
3820 test -n "$cross_prefix" && enable cross_compile
3822 if enabled cross_compile; then
3823 test -n "$arch" && test -n "$target_os" ||
3824 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
3827 ar_default="${cross_prefix}${ar_default}"
3828 cc_default="${cross_prefix}${cc_default}"
3829 cxx_default="${cross_prefix}${cxx_default}"
3830 nm_default="${cross_prefix}${nm_default}"
3831 pkg_config_default="${cross_prefix}${pkg_config_default}"
3832 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3833 ranlib_default="${cross_prefix}${ranlib_default} -D"
3835 ranlib_default="${cross_prefix}${ranlib_default}"
3837 strip_default="${cross_prefix}${strip_default}"
3838 windres_default="${cross_prefix}${windres_default}"
3840 sysinclude_default="${sysroot}/usr/include"
3842 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3843 target_exec target_os x86asmexe nvcc
3844 enabled cross_compile || host_cc_default=$cc
3847 pkg_config_fail_message=""
3848 if ! $pkg_config --version >/dev/null 2>&1; then
3849 warn "$pkg_config not found, library detection may fail."
3851 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3852 pkg_config_fail_message="
3853 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3856 if test $doxygen != $doxygen_default && \
3857 ! $doxygen --version >/dev/null 2>&1; then
3858 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3863 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3867 EXESUF=$(exesuf $target_os)
3868 HOSTEXESUF=$(exesuf $host_os)
3870 # set temporary file name
3871 : ${TMPDIR:=$TEMPDIR}
3875 if [ -n "$tempprefix" ] ; then
3877 tmpname="$tempprefix.${HOSTNAME}.${UID}"
3881 elif ! check_cmd mktemp -u XXXXXX; then
3882 # simple replacement for missing mktemp
3883 # NOT SAFE FOR GENERAL USE
3885 tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3891 FFTMPDIR=$(mktemp -d "${TMPDIR}/ffconf.XXXXXXXX" 2> /dev/null) ||
3892 die "Unable to create temporary directory in $TMPDIR."
3895 tmp="${FFTMPDIR}/test"$2
3896 (set -C; exec > $tmp) 2> /dev/null ||
3897 die "Unable to create temporary file in $FFTMPDIR."
3901 trap 'rm -rf -- "$FFTMPDIR"' EXIT
3907 tmpfile TMPE $EXESUF
3919 # make sure we can execute files in $TMPDIR
3920 cat > $TMPSH 2>> $logfile <<EOF
3923 chmod +x $TMPSH >> $logfile 2>&1
3924 if ! $TMPSH >> $logfile 2>&1; then
3926 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3927 variable to another directory and make sure that it is not mounted noexec.
3929 die "Sanity test failed."
3935 # Filter out MSVC cl.exe options from cflags that shouldn't
3936 # be passed to gas-preprocessor
3946 -std=c99) echo -c99 ;;
3947 -mcpu=*) echo -arch ${flag#*=} ;;
3948 -mieee) echo -ieee ;;
3949 -O*|-fast) echo $flag ;;
3950 -fno-math-errno) echo -assume nomath_errno ;;
3952 -Wall) echo -msg_enable level2 ;;
3953 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3954 -Wl,*) echo $flag ;;
3964 -Wno-switch) echo -Wno-switch-enum ;;
3965 -Wno-format-zero-length) ;;
3966 -Wdisabled-optimization) ;;
3967 -Wno-pointer-sign) echo -Wno-other ;;
3973 msvc_common_flags(){
3976 # In addition to specifying certain flags under the compiler
3977 # specific filters, they must be specified here as well or else the
3978 # generic catch all at the bottom will print the original flag.
3983 -fomit-frame-pointer) ;;
3987 -fno-signed-zeros) ;;
3991 -lz) echo zlib.lib ;;
3992 -lx264) echo libx264.lib ;;
3994 -l*) echo ${flag#-l}.lib ;;
3995 -LARGEADDRESSAWARE) echo $flag ;;
3996 -L*) echo -libpath:${flag#-L} ;;
4003 msvc_common_flags "$@"
4006 -Wall) echo -W3 -wd4018 -wd4146 -wd4244 -wd4305 \
4008 -Wextra) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
4009 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4010 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
4012 -wd4273 -wd4554 -wd4701 -wd4703 ;;
4018 msvc_common_flags "$@"
4021 # Despite what Intel's documentation says -Wall, which is supported
4022 # on Windows, does enable remarks so disable them here.
4023 -Wall) echo $flag -Qdiag-disable:remark ;;
4024 -std=c99) echo -Qstd=c99 ;;
4042 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
4043 -fomit-frame-pointer) echo -Mnoframe ;;
4054 case "${flag#*=}" in
4055 native) echo -xtarget=native ;;
4056 v9|niagara) echo -xarch=sparc ;;
4057 ultrasparc) echo -xarch=sparcvis ;;
4058 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
4059 i586|pentium) echo -xchip=pentium ;;
4060 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
4061 pentium3*|c3-2) echo -xtarget=pentium3 ;;
4062 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
4063 pentium4*) echo -xtarget=pentium4 ;;
4064 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
4065 *-sse3) echo -xarch=sse3 ;;
4066 core2) echo -xarch=ssse3 -xchip=core2 ;;
4067 bonnell) echo -xarch=ssse3 ;;
4068 corei7|nehalem) echo -xtarget=nehalem ;;
4069 westmere) echo -xtarget=westmere ;;
4070 silvermont) echo -xarch=sse4_2 ;;
4071 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
4072 core-avx*|ivybridge|haswell|broadwell|skylake*|knl)
4074 amdfam10|barcelona) echo -xtarget=barcelona ;;
4075 btver1) echo -xarch=amdsse4a ;;
4076 btver2|bdver*|znver*) echo -xarch=avx ;;
4077 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
4078 k8|opteron|athlon64|athlon-fx)
4079 echo -xarch=sse2a ;;
4080 athlon*) echo -xarch=pentium_proa ;;
4083 -std=c99) echo -xc99 ;;
4084 -fomit-frame-pointer) echo -xregs=frameptr ;;
4085 -fPIC) echo -KPIC -xcode=pic32 ;;
4086 -W*,*) echo $flag ;;
4087 -f*-*|-W*|-mimpure-text) ;;
4098 case "${flag#*=}" in
4099 armv7-a|cortex-a*) echo -mv=7a8 ;;
4100 armv7-r|cortex-r*) echo -mv=7r4 ;;
4101 armv7-m|cortex-m*) echo -mv=7m3 ;;
4102 armv6*|arm11*) echo -mv=6 ;;
4103 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
4105 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
4108 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
4109 -mfpu=vfp) echo --float_support=vfpv2 ;;
4110 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
4111 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
4112 -msoft-float) echo --float_support=vfplib ;;
4113 -O[0-3]|-mf=*) echo $flag ;;
4115 -pds=*) echo $flag ;;
4116 -D*|-I*) echo $flag ;;
4117 --gcc|--abi=*) echo $flag ;;
4128 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
4129 unset _ld_o _ldflags _ld_lib _ld_path
4130 unset _depflags _DEPCMD _DEPFLAGS
4133 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
4134 true # no-op to avoid reading stdin in following checks
4135 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
4137 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
4138 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
4139 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4142 elif $_cc -v 2>&1 | grep -qi ^gcc; then
4144 gcc_version=$($_cc --version | head -n1)
4145 gcc_basever=$($_cc -dumpversion)
4146 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
4147 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
4148 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
4149 case $gcc_basever in
4152 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
4154 if [ "$first" = true ]; then
4155 case $gcc_basever in
4157 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
4162 elif $_cc --version 2>/dev/null | grep -q ^icc; then
4164 _ident=$($_cc --version | head -n1)
4169 _flags_filter=icc_flags
4170 elif $_cc -v 2>&1 | grep -q xlc; then
4172 _ident=$($_cc -qversion 2>/dev/null | head -n1)
4174 _cflags_size='-O5 -qcompact'
4175 elif $_cc -V 2>/dev/null | grep -q Compaq; then
4177 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
4179 _cflags_speed='-fast'
4181 _flags_filter=ccc_flags
4182 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
4183 test -d "$sysroot" || die "No valid sysroot specified."
4185 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
4186 armcc_conf="$PWD/armcc.conf"
4187 $_cc --arm_linux_configure \
4188 --arm_linux_config_file="$armcc_conf" \
4189 --configure_sysroot="$sysroot" \
4190 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
4191 die "Error creating armcc configuration file."
4192 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
4193 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
4194 as_default="${cross_prefix}gcc"
4198 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
4200 _ident=$($_cc -version | head -n1 | tr -s ' ')
4201 _flags='--gcc --abi=eabi -me'
4204 _depflags='-ppa -ppd=$(@:.o=.d)'
4205 _cflags_speed='-O3 -mf=5'
4206 _cflags_size='-O3 -mf=2'
4207 _flags_filter=tms470_flags
4208 elif $_cc -v 2>&1 | grep -q clang; then
4210 _ident=$($_cc --version 2>/dev/null | head -n1)
4211 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4214 elif $_cc -V 2>&1 | grep -q Sun; then
4216 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
4217 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
4218 _DEPFLAGS='-xM1 -xc99'
4221 _cflags_size='-O5 -xspace'
4222 _flags_filter=suncc_flags
4223 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
4225 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4226 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4229 _flags_filter='filter_out -Wdisabled-optimization'
4230 elif $_cc -v 2>&1 | grep -q Open64; then
4232 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4233 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4236 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
4237 elif $_cc -V 2>&1 | grep -q Portland; then
4239 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
4240 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
4241 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
4242 _cflags_size="-O2 -Munroll=c:1 $opt_common"
4244 _flags_filter=pgi_flags
4245 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
4247 _ident=$($_cc | head -n1)
4248 # 4509: "This form of conditional instruction is deprecated"
4249 _flags="-nologo -ignore 4509"
4250 _flags_filter=armasm_flags
4251 elif $_cc 2>&1 | grep -q Intel; then
4253 _ident=$($_cc 2>&1 | head -n1)
4254 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
4255 # Not only is O3 broken on 13.x+ but it is slower on all previous
4256 # versions (tested) as well.
4258 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
4259 if $_cc 2>&1 | grep -q Linker; then
4266 _flags_filter=icl_flags
4268 _ld_path='-libpath:'
4269 # -Qdiag-error to make icl error when seeing certain unknown arguments
4270 _flags='-nologo -Qdiag-error:4044,10157'
4271 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
4272 # with MSVC which enables it by default.
4273 _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise'
4275 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
4276 # lld can emulate multiple different linkers; in ms link.exe mode,
4277 # the -? parameter gives the help output which contains an identifyable
4278 # string, while it gives an error in other modes.
4280 # The link.exe mode doesn't have a switch for getting the version,
4281 # but we can force it back to gnu mode and get the version from there.
4282 _ident=$($_cc -flavor gnu --version 2>/dev/null)
4284 _flags_filter=msvc_flags
4286 _ld_path='-libpath:'
4287 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
4289 _ident=$($_cc 2>&1 | head -n1)
4290 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
4291 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
4295 if $_cc -nologo- 2>&1 | grep -q Linker; then
4302 _flags_filter=msvc_flags
4304 _ld_path='-libpath:'
4307 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
4309 _ident=$($_cc --version | head -n1)
4313 _flags_filter=cparser_flags
4316 eval ${pfx}_type=\$_type
4317 eval ${pfx}_ident=\$_ident
4321 eval ${1}_C=\${_cc_c-\${${1}_C}}
4322 eval ${1}_E=\${_cc_e-\${${1}_E}}
4323 eval ${1}_O=\${_cc_o-\${${1}_O}}
4325 if [ -n "$_depflags" ]; then
4326 eval ${1}_DEPFLAGS=\$_depflags
4328 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
4329 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
4330 eval DEP${1}FLAGS=\$_flags
4334 probe_cc cc "$cc" "true"
4335 cflags_filter=$_flags_filter
4336 cflags_speed=$_cflags_speed
4337 cflags_size=$_cflags_size
4338 cflags_noopt=$_cflags_noopt
4339 add_cflags $_flags $_cflags
4340 cc_ldflags=$_ldflags
4344 probe_cc hostcc "$host_cc"
4345 host_cflags_filter=$_flags_filter
4346 host_cflags_speed=$_cflags_speed
4347 add_host_cflags $_flags $_cflags
4350 test -n "$cc_type" && enable $cc_type ||
4351 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
4353 : ${as_default:=$cc}
4354 : ${objcc_default:=$cc}
4355 : ${dep_cc_default:=$cc}
4356 : ${ld_default:=$cc}
4357 : ${host_ld_default:=$host_cc}
4358 set_default ar as objcc dep_cc ld ln_s host_ld windres
4361 asflags_filter=$_flags_filter
4362 add_asflags $_flags $_cflags
4365 probe_cc objcc "$objcc"
4366 objcflags_filter=$_flags_filter
4367 add_objcflags $_flags $_cflags
4371 ldflags_filter=$_flags_filter
4372 add_ldflags $_flags $_ldflags
4373 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
4375 LD_LIB=${_ld_lib-$LD_LIB}
4376 LD_PATH=${_ld_path-$LD_PATH}
4378 probe_cc hostld "$host_ld"
4379 host_ldflags_filter=$_flags_filter
4380 add_host_ldflags $_flags $_ldflags
4381 HOSTLD_O=${_ld_o-$HOSTLD_O}
4383 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
4384 probe_cc depcc "$dep_cc"
4385 CCDEP=${_DEPCMD:-$DEPCMD}
4386 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
4390 if $ar 2>&1 | grep -q Microsoft; then
4393 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
4396 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
4397 arflags='-Xany -r -c'
4399 elif $ar 2>&1 | grep -q "\[D\] "; then
4407 add_cflags $extra_cflags
4408 add_cxxflags $extra_cxxflags
4409 add_objcflags $extra_objcflags
4410 add_asflags $extra_cflags
4412 if test -n "$sysroot"; then
4415 add_cppflags --sysroot="$sysroot"
4416 add_ldflags --sysroot="$sysroot"
4417 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
4418 add_cppflags -isysroot "$sysroot"
4419 add_ldflags -isysroot "$sysroot"
4422 add_cppflags -I"$sysinclude"
4423 add_ldflags --sysroot="$sysroot"
4428 if test "$cpu" = host; then
4429 enabled cross_compile &&
4430 die "--cpu=host makes no sense when cross-compiling."
4435 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4437 s/.*$1=\\([^ ]*\\).*/\\1/
4442 cpu=$(check_native -march || check_native -mcpu)
4446 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4447 sed -n "/cc1.*-target-cpu /{
4448 s/.*-target-cpu \\([^ ]*\\).*/\\1/
4453 cpu=$(check_native -march)
4457 test "${cpu:-host}" = host &&
4458 die "--cpu=host not supported with compiler $cc"
4461 # Deal with common $arch aliases
4485 "Power Macintosh"|ppc*|powerpc*)
4500 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
4505 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
4508 # Add processor-specific flags
4509 if enabled aarch64; then
4513 cpuflags="-march=$cpu"
4516 cpuflags="-mcpu=$cpu"
4520 elif enabled alpha; then
4522 cpuflags="-mcpu=$cpu"
4524 elif enabled arm; then
4527 check_cpp_condition stddef.h \
4528 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4533 if check_arm_arch 4; then echo armv4
4534 elif check_arm_arch 4T; then echo armv4t
4535 elif check_arm_arch 5; then echo armv5
4536 elif check_arm_arch 5E; then echo armv5e
4537 elif check_arm_arch 5T; then echo armv5t
4538 elif check_arm_arch 5TE; then echo armv5te
4539 elif check_arm_arch 5TEJ; then echo armv5te
4540 elif check_arm_arch 6; then echo armv6
4541 elif check_arm_arch 6J; then echo armv6j
4542 elif check_arm_arch 6K; then echo armv6k
4543 elif check_arm_arch 6Z; then echo armv6z
4544 elif check_arm_arch 6ZK; then echo armv6zk
4545 elif check_arm_arch 6T2; then echo armv6t2
4546 elif check_arm_arch 7; then echo armv7
4547 elif check_arm_arch 7A 7_A; then echo armv7-a
4548 elif check_arm_arch 7S; then echo armv7-a
4549 elif check_arm_arch 7R 7_R; then echo armv7-r
4550 elif check_arm_arch 7M 7_M; then echo armv7-m
4551 elif check_arm_arch 7EM 7E_M; then echo armv7-m
4552 elif check_arm_arch 8A 8_A; then echo armv8-a
4556 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4560 cpuflags="-march=$cpu"
4561 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4564 cpuflags="-mcpu=$cpu"
4566 cortex-a*) subarch=armv7a ;;
4567 cortex-r*) subarch=armv7r ;;
4568 cortex-m*) enable thumb; subarch=armv7m ;;
4569 arm11*) subarch=armv6 ;;
4570 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4571 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4572 *) subarch=$(probe_arm_arch) ;;
4578 armv5t*) enable fast_clz ;;
4581 disabled fast_unaligned || enable fast_unaligned
4585 elif enabled avr32; then
4590 cpuflags="-mpart=$cpu"
4594 cpuflags="-march=$cpu"
4598 cpuflags="-mcpu=$cpu"
4602 cpuflags="-march=$cpu"
4606 elif enabled bfin; then
4608 cpuflags="-mcpu=$cpu"
4610 elif enabled mips; then
4612 cpuflags="-march=$cpu"
4614 if [ "$cpu" != "generic" ]; then
4624 24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)
4635 enable local_aligned_8 local_aligned_16 local_aligned_32
4636 enable simd_align_16
4640 enable fast_unaligned
4641 disable aligned_stack
4647 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4650 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4653 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4658 # Unknown CPU. Disable everything.
4659 warn "unknown CPU. Disabling all MIPS optimizations."
4682 24kef*|34kf*|1004kf*)
4690 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"
4694 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4698 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4702 # We do not disable anything. Is up to the user to disable the unwanted features.
4703 warn 'generic cpu selected'
4706 elif enabled ppc; then
4710 case $(tolower $cpu) in
4711 601|ppc601|powerpc601)
4712 cpuflags="-mcpu=601"
4715 603*|ppc603*|powerpc603*)
4716 cpuflags="-mcpu=603"
4719 604*|ppc604*|powerpc604*)
4720 cpuflags="-mcpu=604"
4723 g3|75*|ppc75*|powerpc75*)
4724 cpuflags="-mcpu=750"
4727 g4|745*|ppc745*|powerpc745*)
4728 cpuflags="-mcpu=7450"
4731 74*|ppc74*|powerpc74*)
4732 cpuflags="-mcpu=7400"
4735 g5|970|ppc970|powerpc970)
4736 cpuflags="-mcpu=970"
4740 cpuflags="-mcpu=$cpu"
4744 cpuflags="-mcpu=$cpu"
4747 cpuflags="-mcpu=cell"
4752 cpuflags="-mcpu=e500mc"
4756 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4761 cpuflags="-mcpu=8540 -mhard-float"
4767 elif enabled sparc; then
4770 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4771 cpuflags="-mcpu=$cpu"
4773 ultrasparc*|niagara[234])
4774 cpuflags="-mcpu=$cpu"
4778 elif enabled x86; then
4782 cpuflags="-march=$cpu"
4786 # targets that do NOT support nopl and conditional mov (cmov)
4787 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4788 cpuflags="-march=$cpu"
4791 # targets that do support nopl and conditional mov (cmov)
4792 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4793 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\
4794 |amdfam10|barcelona|b[dt]ver*|znver*)
4795 cpuflags="-march=$cpu"
4799 # targets that do support conditional mov but on which it's slow
4800 pentium4|pentium4m|prescott|nocona)
4801 cpuflags="-march=$cpu"
4809 if [ "$cpu" != generic ]; then
4810 add_cflags $cpuflags
4811 add_asflags $cpuflags
4812 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4815 # compiler sanity check
4817 int main(void){ return 0; }
4819 if test "$?" != 0; then
4820 echo "$cc is unable to create an executable file."
4821 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4822 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4823 echo "Only do this if you know what cross compiling means."
4825 die "C compiler test failed."
4828 add_cppflags -D_ISOC99_SOURCE
4829 add_cxxflags -D__STDC_CONSTANT_MACROS
4830 check_cxxflags -std=c++11 || check_cxxflags -std=c++0x
4832 # some compilers silently accept -std=c11, so we also need to check that the
4833 # version macro is defined properly
4834 test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L" &&
4835 add_cflags -std=c11 ||
4836 check_cflags -std=c99
4838 check_cppflags -D_FILE_OFFSET_BITS=64
4839 check_cppflags -D_LARGEFILE_SOURCE
4841 add_host_cppflags -D_ISOC99_SOURCE
4842 check_host_cflags -std=c99
4843 check_host_cflags -Wall
4844 check_host_cflags $host_cflags_speed
4850 check_code cc "" "int test[2*($expr) - 1]" &&
4851 subarch=$arch64 || subarch=$arch32
4859 check_64bit mips mips64 '_MIPS_SIM > 1'
4863 check_64bit parisc parisc64 'sizeof(void *) > 4'
4867 check_64bit ppc ppc64 'sizeof(void *) > 4'