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
120 Documentation options:
121 --disable-doc do not build documentation
122 --disable-htmlpages do not build HTML documentation pages
123 --disable-manpages do not build man documentation pages
124 --disable-podpages do not build POD documentation pages
125 --disable-txtpages do not build text documentation pages
128 --disable-avdevice disable libavdevice build
129 --disable-avcodec disable libavcodec build
130 --disable-avformat disable libavformat build
131 --disable-swresample disable libswresample build
132 --disable-swscale disable libswscale build
133 --disable-postproc disable libpostproc build
134 --disable-avfilter disable libavfilter build
135 --enable-avresample enable libavresample build (deprecated) [no]
136 --disable-pthreads disable pthreads [autodetect]
137 --disable-w32threads disable Win32 threads [autodetect]
138 --disable-os2threads disable OS/2 threads [autodetect]
139 --disable-network disable network support [no]
140 --disable-dct disable DCT code
141 --disable-dwt disable DWT code
142 --disable-error-resilience disable error resilience code
143 --disable-lsp disable LSP code
144 --disable-lzo disable LZO decoder code
145 --disable-mdct disable MDCT code
146 --disable-rdft disable RDFT code
147 --disable-fft disable FFT code
148 --disable-faan disable floating point AAN (I)DCT code
149 --disable-pixelutils disable pixel utils in libavutil
151 Individual component options:
152 --disable-everything disable all components listed below
153 --disable-encoder=NAME disable encoder NAME
154 --enable-encoder=NAME enable encoder NAME
155 --disable-encoders disable all encoders
156 --disable-decoder=NAME disable decoder NAME
157 --enable-decoder=NAME enable decoder NAME
158 --disable-decoders disable all decoders
159 --disable-hwaccel=NAME disable hwaccel NAME
160 --enable-hwaccel=NAME enable hwaccel NAME
161 --disable-hwaccels disable all hwaccels
162 --disable-muxer=NAME disable muxer NAME
163 --enable-muxer=NAME enable muxer NAME
164 --disable-muxers disable all muxers
165 --disable-demuxer=NAME disable demuxer NAME
166 --enable-demuxer=NAME enable demuxer NAME
167 --disable-demuxers disable all demuxers
168 --enable-parser=NAME enable parser NAME
169 --disable-parser=NAME disable parser NAME
170 --disable-parsers disable all parsers
171 --enable-bsf=NAME enable bitstream filter NAME
172 --disable-bsf=NAME disable bitstream filter NAME
173 --disable-bsfs disable all bitstream filters
174 --enable-protocol=NAME enable protocol NAME
175 --disable-protocol=NAME disable protocol NAME
176 --disable-protocols disable all protocols
177 --enable-indev=NAME enable input device NAME
178 --disable-indev=NAME disable input device NAME
179 --disable-indevs disable input devices
180 --enable-outdev=NAME enable output device NAME
181 --disable-outdev=NAME disable output device NAME
182 --disable-outdevs disable output devices
183 --disable-devices disable all devices
184 --enable-filter=NAME enable filter NAME
185 --disable-filter=NAME disable filter NAME
186 --disable-filters disable all filters
188 External library support:
190 Using any of the following switches will allow FFmpeg to link to the
191 corresponding external library. All the components depending on that library
192 will become enabled, if all their other dependencies are met and they are not
193 explicitly disabled. E.g. --enable-libwavpack will enable linking to
194 libwavpack and allow the libwavpack encoder to be built, unless it is
195 specifically disabled with --disable-encoder=libwavpack.
197 Note that only the system libraries are auto-detected. All the other external
198 libraries must be explicitly enabled.
200 Also note that the following help text describes the purpose of the libraries
201 themselves, not all their features will necessarily be usable by FFmpeg.
203 --disable-alsa disable ALSA support [autodetect]
204 --disable-appkit disable Apple AppKit framework [autodetect]
205 --disable-avfoundation disable Apple AVFoundation framework [autodetect]
206 --enable-avisynth enable reading of AviSynth script files [no]
207 --disable-bzlib disable bzlib [autodetect]
208 --disable-coreimage disable Apple CoreImage framework [autodetect]
209 --enable-chromaprint enable audio fingerprinting with chromaprint [no]
210 --enable-frei0r enable frei0r video filtering [no]
211 --enable-gcrypt enable gcrypt, needed for rtmp(t)e support
212 if openssl, librtmp or gmp is not used [no]
213 --enable-gmp enable gmp, needed for rtmp(t)e support
214 if openssl or librtmp is not used [no]
215 --enable-gnutls enable gnutls, needed for https support
216 if openssl, libtls or mbedtls is not used [no]
217 --disable-iconv disable iconv [autodetect]
218 --enable-jni enable JNI support [no]
219 --enable-ladspa enable LADSPA audio filtering [no]
220 --enable-libaom enable AV1 video encoding/decoding via libaom [no]
221 --enable-libass enable libass subtitles rendering,
222 needed for subtitles and ass filter [no]
223 --enable-libbluray enable BluRay reading using libbluray [no]
224 --enable-libbs2b enable bs2b DSP library [no]
225 --enable-libcaca enable textual display using libcaca [no]
226 --enable-libcelt enable CELT decoding via libcelt [no]
227 --enable-libcdio enable audio CD grabbing with libcdio [no]
228 --enable-libcodec2 enable codec2 en/decoding using libcodec2 [no]
229 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
231 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
232 --enable-libflite enable flite (voice synthesis) support via libflite [no]
233 --enable-libfontconfig enable libfontconfig, useful for drawtext filter [no]
234 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
235 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
236 --enable-libgme enable Game Music Emu via libgme [no]
237 --enable-libgsm enable GSM de/encoding via libgsm [no]
238 --enable-libiec61883 enable iec61883 via libiec61883 [no]
239 --enable-libilbc enable iLBC de/encoding via libilbc [no]
240 --enable-libjack enable JACK audio sound server [no]
241 --enable-libkvazaar enable HEVC encoding via libkvazaar [no]
242 --enable-liblensfun enable lensfun lens correction [no]
243 --enable-libmodplug enable ModPlug via libmodplug [no]
244 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
245 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
246 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
247 --enable-libopencv enable video filtering via libopencv [no]
248 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
249 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
250 --enable-libopenmpt enable decoding tracked files via libopenmpt [no]
251 --enable-libopus enable Opus de/encoding via libopus [no]
252 --enable-libpulse enable Pulseaudio input via libpulse [no]
253 --enable-librsvg enable SVG rasterization via librsvg [no]
254 --enable-librubberband enable rubberband needed for rubberband filter [no]
255 --enable-librtmp enable RTMP[E] support via librtmp [no]
256 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
257 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
258 --enable-libsnappy enable Snappy compression, needed for hap encoding [no]
259 --enable-libsoxr enable Include libsoxr resampling [no]
260 --enable-libspeex enable Speex de/encoding via libspeex [no]
261 --enable-libsrt enable Haivision SRT protocol via libsrt [no]
262 --enable-libssh enable SFTP protocol via libssh [no]
263 --enable-libtensorflow enable TensorFlow as a DNN module backend
264 for DNN based filters like sr [no]
265 --enable-libtesseract enable Tesseract, needed for ocr filter [no]
266 --enable-libtheora enable Theora encoding via libtheora [no]
267 --enable-libtls enable LibreSSL (via libtls), needed for https support
268 if openssl, gnutls or mbedtls is not used [no]
269 --enable-libtwolame enable MP2 encoding via libtwolame [no]
270 --enable-libv4l2 enable libv4l2/v4l-utils [no]
271 --enable-libvidstab enable video stabilization using vid.stab [no]
272 --enable-libvmaf enable vmaf filter via libvmaf [no]
273 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
274 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
275 native implementation exists [no]
276 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
277 --enable-libwavpack enable wavpack encoding via libwavpack [no]
278 --enable-libwebp enable WebP encoding via libwebp [no]
279 --enable-libx264 enable H.264 encoding via x264 [no]
280 --enable-libx265 enable HEVC encoding via x265 [no]
281 --enable-libxavs enable AVS encoding via xavs [no]
282 --enable-libxcb enable X11 grabbing using XCB [autodetect]
283 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
284 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
285 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
286 --enable-libxvid enable Xvid encoding via xvidcore,
287 native MPEG-4/Xvid encoder exists [no]
288 --enable-libxml2 enable XML parsing using the C library libxml2, needed
289 for dash demuxing support [no]
290 --enable-libzimg enable z.lib, needed for zscale filter [no]
291 --enable-libzmq enable message passing via libzmq [no]
292 --enable-libzvbi enable teletext support via libzvbi [no]
293 --enable-lv2 enable LV2 audio filtering [no]
294 --disable-lzma disable lzma [autodetect]
295 --enable-decklink enable Blackmagic DeckLink I/O support [no]
296 --enable-libndi_newtek enable Newteck NDI I/O support [no]
297 --enable-mbedtls enable mbedTLS, needed for https support
298 if openssl, gnutls or libtls is not used [no]
299 --enable-mediacodec enable Android MediaCodec support [no]
300 --enable-libmysofa enable libmysofa, needed for sofalizer filter [no]
301 --enable-openal enable OpenAL 1.1 capture support [no]
302 --enable-opencl enable OpenCL processing [no]
303 --enable-opengl enable OpenGL rendering [no]
304 --enable-openssl enable openssl, needed for https support
305 if gnutls, libtls or mbedtls is not used [no]
306 --disable-sndio disable sndio support [autodetect]
307 --disable-schannel disable SChannel SSP, needed for TLS support on
308 Windows if openssl and gnutls are not used [autodetect]
309 --disable-sdl2 disable sdl2 [autodetect]
310 --disable-securetransport disable Secure Transport, needed for TLS support
311 on OSX if openssl and gnutls are not used [autodetect]
312 --enable-vapoursynth enable VapourSynth demuxer [no]
313 --disable-xlib disable xlib [autodetect]
314 --disable-zlib disable zlib [autodetect]
316 The following libraries provide various hardware acceleration features:
317 --disable-amf disable AMF video encoding code [autodetect]
318 --disable-audiotoolbox disable Apple AudioToolbox code [autodetect]
319 --enable-cuda-sdk enable CUDA features that require the CUDA SDK [no]
320 --disable-cuvid disable Nvidia CUVID support [autodetect]
321 --disable-d3d11va disable Microsoft Direct3D 11 video acceleration code [autodetect]
322 --disable-dxva2 disable Microsoft DirectX 9 video acceleration code [autodetect]
323 --disable-ffnvcodec disable dynamically linked Nvidia code [autodetect]
324 --enable-libdrm enable DRM code (Linux) [no]
325 --enable-libmfx enable Intel MediaSDK (AKA Quick Sync Video) code via libmfx [no]
326 --enable-libnpp enable Nvidia Performance Primitives-based code [no]
327 --enable-mmal enable Broadcom Multi-Media Abstraction Layer (Raspberry Pi) via MMAL [no]
328 --disable-nvdec disable Nvidia video decoding acceleration (via hwaccel) [autodetect]
329 --disable-nvenc disable Nvidia video encoding code [autodetect]
330 --enable-omx enable OpenMAX IL code [no]
331 --enable-omx-rpi enable OpenMAX IL code for Raspberry Pi [no]
332 --enable-rkmpp enable Rockchip Media Process Platform code [no]
333 --disable-v4l2-m2m disable V4L2 mem2mem code [autodetect]
334 --disable-vaapi disable Video Acceleration API (mainly Unix/Intel) code [autodetect]
335 --disable-vdpau disable Nvidia Video Decode and Presentation API for Unix code [autodetect]
336 --disable-videotoolbox disable VideoToolbox code [autodetect]
339 --arch=ARCH select architecture [$arch]
340 --cpu=CPU select the minimum required CPU (affects
341 instruction selection, may crash on older CPUs)
342 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
343 --progs-suffix=SUFFIX program name suffix []
344 --enable-cross-compile assume a cross-compiler is used
345 --sysroot=PATH root of cross-build tree
346 --sysinclude=PATH location of cross-build system headers
347 --target-os=OS compiler targets OS [$target_os]
348 --target-exec=CMD command to run executables on target
349 --target-path=DIR path to view of build directory on target
350 --target-samples=DIR path to samples directory on target
351 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
352 --toolchain=NAME set tool defaults according to NAME
353 (gcc-asan, clang-asan, gcc-msan, clang-msan,
354 gcc-tsan, clang-tsan, gcc-usan, clang-usan,
355 valgrind-massif, valgrind-memcheck,
356 msvc, icl, gcov, llvm-cov, hardened)
357 --nm=NM use nm tool NM [$nm_default]
358 --ar=AR use archive tool AR [$ar_default]
359 --as=AS use assembler AS [$as_default]
360 --ln_s=LN_S use symbolic link tool LN_S [$ln_s_default]
361 --strip=STRIP use strip tool STRIP [$strip_default]
362 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
363 --x86asmexe=EXE use nasm-compatible assembler EXE [$x86asmexe_default]
364 --cc=CC use C compiler CC [$cc_default]
365 --cxx=CXX use C compiler CXX [$cxx_default]
366 --objcc=OCC use ObjC compiler OCC [$cc_default]
367 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
368 --nvcc=NVCC use Nvidia CUDA compiler NVCC [$nvcc_default]
369 --ld=LD use linker LD [$ld_default]
370 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
371 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
372 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
373 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
374 --host-cc=HOSTCC use host C compiler HOSTCC
375 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
376 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
377 --host-ld=HOSTLD use host linker HOSTLD
378 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
379 --host-libs=HLIBS use libs HLIBS when linking for host
380 --host-os=OS compiler host OS [$target_os]
381 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
382 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
383 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
384 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
385 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
386 --extra-ldsoflags=ELDFLAGS add ELDFLAGS to LDSOFLAGS [$LDSOFLAGS]
387 --extra-libs=ELIBS add ELIBS [$ELIBS]
388 --extra-version=STRING version string suffix []
389 --optflags=OPTFLAGS override optimization-related compiler flags
390 --nvccflags=NVCCFLAGS override nvcc flags [$nvccflags_default]
391 --build-suffix=SUFFIX library name suffix []
392 --enable-pic build position-independent code
393 --enable-thumb compile for Thumb instruction set
394 --enable-lto use link-time optimization
395 --env="ENV=override" override the environment variables
397 Advanced options (experts only):
398 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
399 --custom-allocator=NAME use a supported custom allocator
400 --disable-symver disable symbol versioning
401 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
402 --disable-safe-bitstream-reader
403 disable buffer boundary checking in bitreaders
404 (faster, but may crash)
405 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
407 Optimization options (experts only):
408 --disable-asm disable all assembly optimizations
409 --disable-altivec disable AltiVec optimizations
410 --disable-vsx disable VSX optimizations
411 --disable-power8 disable POWER8 optimizations
412 --disable-amd3dnow disable 3DNow! optimizations
413 --disable-amd3dnowext disable 3DNow! extended optimizations
414 --disable-mmx disable MMX optimizations
415 --disable-mmxext disable MMXEXT optimizations
416 --disable-sse disable SSE optimizations
417 --disable-sse2 disable SSE2 optimizations
418 --disable-sse3 disable SSE3 optimizations
419 --disable-ssse3 disable SSSE3 optimizations
420 --disable-sse4 disable SSE4 optimizations
421 --disable-sse42 disable SSE4.2 optimizations
422 --disable-avx disable AVX optimizations
423 --disable-xop disable XOP optimizations
424 --disable-fma3 disable FMA3 optimizations
425 --disable-fma4 disable FMA4 optimizations
426 --disable-avx2 disable AVX2 optimizations
427 --disable-avx512 disable AVX-512 optimizations
428 --disable-aesni disable AESNI optimizations
429 --disable-armv5te disable armv5te optimizations
430 --disable-armv6 disable armv6 optimizations
431 --disable-armv6t2 disable armv6t2 optimizations
432 --disable-vfp disable VFP optimizations
433 --disable-neon disable NEON optimizations
434 --disable-inline-asm disable use of inline assembly
435 --disable-x86asm disable use of standalone x86 assembly
436 --disable-mipsdsp disable MIPS DSP ASE R1 optimizations
437 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
438 --disable-msa disable MSA optimizations
439 --disable-mipsfpu disable floating point MIPS optimizations
440 --disable-mmi disable Loongson SIMD optimizations
441 --disable-fast-unaligned consider unaligned accesses slow
443 Developer options (useful when working on FFmpeg itself):
444 --disable-debug disable debugging symbols
445 --enable-debug=LEVEL set the debug level [$debuglevel]
446 --disable-optimizations disable compiler optimizations
447 --enable-extra-warnings enable more compiler warnings
448 --disable-stripping disable stripping of executables and shared libraries
449 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
450 2 causes a slowdown at runtime.
451 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
452 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
453 leaks and errors, using the specified valgrind binary.
454 Cannot be combined with --target-exec
455 --enable-ftrapv Trap arithmetic overflows
456 --samples=PATH location of test samples for FATE, if not set use
457 \$FATE_SAMPLES at make invocation time.
458 --enable-neon-clobber-test check NEON registers for clobbering (should be
459 used only for debugging purposes)
460 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
461 should be used only for debugging purposes)
462 --enable-random randomly enable/disable components
464 --enable-random=LIST randomly enable/disable specific components or
465 --disable-random=LIST component groups. LIST is a comma-separated list
466 of NAME[:PROB] entries where NAME is a component
467 (group) and PROB the probability associated with
469 --random-seed=VALUE seed value for --enable/disable-random
470 --disable-valgrind-backtrace do not print a backtrace under Valgrind
471 (only applies to --disable-optimizations builds)
472 --enable-osfuzz Enable building fuzzer tool
473 --libfuzzer=PATH path to libfuzzer
474 --ignore-tests=TESTS comma-separated list (without "fate-" prefix
475 in the name) of tests whose result is ignored
476 --enable-linux-perf enable Linux Performance Monitor API
478 NOTE: Object files are built at the place where configure is launched.
483 if test -t 1 && which tput >/dev/null 2>&1; then
484 ncolors=$(tput colors)
485 if test -n "$ncolors" && test $ncolors -ge 8; then
486 bold_color=$(tput bold)
487 warn_color=$(tput setaf 3)
488 error_color=$(tput setaf 1)
489 reset_color=$(tput sgr0)
491 # 72 used instead of 80 since that's the default of pr
497 echo "$@" >> $logfile
502 pr -n -t $1 >> $logfile
508 WARNINGS="${WARNINGS}WARNING: $*\n"
513 echo "$error_color$bold_color$@$reset_color"
516 If you think configure made a mistake, make sure you are using the latest
517 version from Git. If the latest version fails, report the problem to the
518 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
520 if disabled logging; then
522 Rerun configure with logging enabled (do not use --disable-logging), and
523 include the log this produces with your report.
527 Include the log file "$logfile" produced by configure as this will help
534 # Avoid locale weirdness, besides we really just want to translate ASCII.
536 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
540 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
544 echo "$*" | sed 's/["\\]/\\\0/g'
548 v=$(echo "$1" | sed "s/'/'\\\\''/g")
549 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
554 echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
561 eval "case '$v' in $pat) printf '%s ' '$v' ;; esac"
569 eval "case '$v' in $pat) ;; *) printf '%s ' '$v' ;; esac"
576 for v; do eval $m; done
582 for v; do echo ${v}${suffix}; done
588 for v; do echo ${v%$suffix}; done
603 eval : \${$var:=$value}
608 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
614 eval $(sanitize_var_name "$var")='$*'
618 eval echo \$$(sanitize_var_name "$1")
623 eval level=\${${pvar}_level:=0}
624 eval ${pvar}_${level}="\$$pvar"
625 eval ${pvar}_level=$(($level+1))
631 eval level=\${${pvar}_level:-0}
632 test $level = 0 && continue
633 eval level=$(($level-1))
634 eval $pvar="\${${pvar}_${level}}"
635 eval ${pvar}_level=$level
636 eval unset ${pvar}_${level}
642 eval ${var}_requested=yes
665 enable $(sanitize_var_name $var)
671 disable $(sanitize_var_name $var)
677 enabled $var && continue
678 eval sel="\$${var}_select"
679 eval sgs="\$${var}_suggest"
683 enable_deep_weak $sgs
695 disabled $var && continue
704 test "${1#!}" = "$1" && op="=" || op="!="
705 eval test "x\$${1#!}_requested" $op "xyes"
709 test "${1#!}" = "$1" && op="=" || op="!="
710 eval test "x\$${1#!}" $op "xyes"
714 test "${1#!}" = "$1" && op="=" || op="!="
715 eval test "x\$${1#!}" $op "xno"
720 enabled $opt || return 1
726 disabled $opt || return 1
732 enabled $opt && return 0
738 disabled $opt && return 0
745 eval : \${$opt:=\$${opt}_default}
753 [ $var = $value ] && return 0
760 enabled ${cfg}_checking && die "Circular dependency for $cfg."
761 disabled ${cfg}_checking && continue
762 enable ${cfg}_checking
764 eval dep_all="\$${cfg}_deps"
765 eval dep_any="\$${cfg}_deps_any"
766 eval dep_con="\$${cfg}_conflict"
767 eval dep_sel="\$${cfg}_select"
768 eval dep_sgs="\$${cfg}_suggest"
769 eval dep_ifa="\$${cfg}_if"
770 eval dep_ifn="\$${cfg}_if_any"
772 pushvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
773 check_deps $dep_all $dep_any $dep_con $dep_sel $dep_sgs $dep_ifa $dep_ifn
774 popvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
776 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
777 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
778 enabled_all $dep_all || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not all dependencies are satisfied: $dep_all"; }
779 enabled_any $dep_any || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not any dependency is satisfied: $dep_any"; }
780 disabled_all $dep_con || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some conflicting dependencies are unsatisfied: $dep_con"; }
781 disabled_any $dep_sel && { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some selected dependency is unsatisfied: $dep_sel"; }
783 enabled $cfg && enable_deep_weak $dep_sel $dep_sgs
785 for dep in $dep_all $dep_any $dep_sel $dep_sgs; do
786 # filter out library deps, these do not belong in extralibs
787 is_in $dep $LIBRARY_LIST && continue
788 enabled $dep && eval append ${cfg}_extralibs ${dep}_extralibs
791 disable ${cfg}_checking
799 map 'eval echo "$v \${$v:-no}"' "$@" |
800 awk "BEGIN { split(\"$files\", files) }
802 c = \"$pfx\" toupper(\$1);
808 if (file ~ /\\.h\$/) {
809 printf(\"#define %s %d\\n\", c, v) >>file;
810 } else if (file ~ /\\.asm\$/) {
811 printf(\"%%define %s %d\\n\", c, v) >>file;
812 } else if (file ~ /\\.mak\$/) {
813 n = -v ? \"\" : \"!\";
814 printf(\"%s%s=yes\\n\", n, c) >>file;
815 } else if (file ~ /\\.texi\$/) {
816 pre = -v ? \"\" : \"@c \";
819 gsub(/_/, \"-\", c2);
820 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
830 enabled $v && printf "%s\n" ${v%$suf}
837 eval "$var=\"\$$var $*\""
843 eval "$var=\"$* \$$var\""
849 for tok in $(eval echo \$$var); do
850 uniq_list="$(filter_out $tok $uniq_list) $tok"
852 eval "$var=\"${uniq_list}\""
858 for entry in $(eval echo \$$var); do
859 tmpvar="$tmpvar $(eval echo \$${entry})"
861 eval "$var=\"${tmpvar}\""
869 append CFLAGS $($cflags_filter "$@")
872 add_cflags_headers(){
873 append CFLAGS_HEADERS $($cflags_filter "$@")
877 append CXXFLAGS $($cflags_filter "$@")
881 append ASFLAGS $($asflags_filter "$@")
885 append OBJCFLAGS $($objcflags_filter "$@")
889 append LDFLAGS $($ldflags_filter "$@")
893 append LDEXEFLAGS $($ldflags_filter "$@")
897 append LDSOFLAGS $($ldflags_filter "$@")
901 append ASMSTRIPFLAGS "$@"
905 prepend extralibs $($ldflags_filter "$@")
909 append host_cppflags "$@"
913 append host_cflags $($host_cflags_filter "$@")
917 append host_ldflags $($host_ldflags_filter "$@")
921 append compat_objs $1
923 map 'add_cppflags -D$v' "$@"
928 "$@" >> $logfile 2>&1
933 stat "$1" >> $logfile 2>&1
937 eval printf '%s\\n' $CC_O
941 eval printf '%s\\n' $CC_E
948 test_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
955 test_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
962 test_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
969 test_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
973 eval printf '%s\\n' $AS_O
980 test_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
984 eval printf '%s\\n' $X86ASM_O
992 test_cmd $x86asmexe $X86ASMFLAGS -Werror "$@" $(x86asm_o $TMPO) $TMPASM
998 disabled $cmd && return
1000 test_cmd $@ && enable $cmd
1009 test_as $@ <<EOF && enable $name
1015 log check_inline_asm "$@"
1020 test_cc "$@" <<EOF && enable $name
1021 void foo(void){ __asm__ volatile($code); }
1025 check_inline_asm_flags(){
1026 log check_inline_asm_flags "$@"
1031 while [ "$1" != "" ]; do
1037 void foo(void){ __asm__ volatile($code); }
1040 test_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&
1041 enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags
1046 check_inline_asm ${1}_inline "\"$2\""
1047 check_as ${1}_external "$2"
1051 log check_x86asm "$@"
1055 test_x86asm "$@" && enable $name
1059 eval printf '%s\\n' $LD_O
1066 flags=$(filter_out '-l*|*.so' $@)
1067 libs=$(filter '-l*|*.so' $@)
1068 test_$type $($cflags_filter $flags) || return
1069 flags=$($ldflags_filter $flags)
1070 libs=$($ldflags_filter $libs)
1071 test_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
1080 test_ld $type $@ && enable $name
1085 test "${hdr%.h}" = "${hdr}" &&
1086 echo "#include $hdr" ||
1087 echo "#include <$hdr>"
1097 for hdr in $headers; do
1100 echo "int main(void) { $code; return 0; }"
1101 } | test_$check "$@"
1105 log check_cppflags "$@"
1106 test_cpp "$@" <<EOF && append CPPFLAGS "$@"
1112 log test_cflags "$@"
1113 set -- $($cflags_filter "$@")
1120 log check_cflags "$@"
1121 test_cflags "$@" && add_cflags "$@"
1125 log check_cxxflags "$@"
1126 set -- $($cflags_filter "$@")
1127 test_cxx "$@" <<EOF && append CXXFLAGS "$@"
1133 log test_objcflags "$@"
1134 set -- $($objcflags_filter "$@")
1135 test_objcc "$@" <<EOF
1141 log check_objcflags "$@"
1142 test_objcflags "$@" && add_objcflags "$@"
1146 log test_ldflags "$@"
1147 set -- $($ldflags_filter "$@")
1148 test_ld "cc" "$@" <<EOF
1149 int main(void){ return 0; }
1154 log check_ldflags "$@"
1155 test_ldflags "$@" && add_ldflags "$@"
1159 log test_stripflags "$@"
1160 # call test_cc to get a fresh TMPO
1162 int main(void) { return 0; }
1164 test_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1168 log check_stripflags "$@"
1169 test_stripflags "$@" && add_stripflags "$@"
1173 log check_header "$@"
1176 disable_sanitized $headers
1178 for hdr in $headers; do
1182 } | test_cpp "$@" && enable_sanitized $headers
1185 check_header_objcc(){
1186 log check_header_objcc "$@"
1190 disable_sanitized $header
1192 echo "#include <$header>"
1193 echo "int main(void) { return 0; }"
1194 } | test_objcc && test_stat "$TMPO" && enable_sanitized $header
1197 check_apple_framework(){
1198 log check_apple_framework "$@"
1200 name="$(tolower $framework)"
1201 header="${framework}/${framework}.h"
1203 check_header_objcc $header &&
1204 enable $name && eval ${name}_extralibs='"-framework $framework"'
1212 test_ld "cc" "$@" <<EOF && enable $func
1214 int main(void){ $func(); }
1218 check_complexfunc(){
1219 log check_complexfunc "$@"
1223 test $narg = 2 && args="f, g" || args="f * I"
1225 test_ld "cc" "$@" <<EOF && enable $func
1226 #include <complex.h>
1228 float foo(complex float f, complex float g) { return $func($args); }
1229 int main(void){ return (int) foo; }
1234 log check_mathfunc "$@"
1238 test $narg = 2 && args="f, g" || args="f"
1240 test_ld "cc" "$@" <<EOF && enable $func
1242 float foo(float f, float g) { return $func($args); }
1243 int main(void){ return (int) foo; }
1247 check_func_headers(){
1248 log check_func_headers "$@"
1253 for hdr in $headers; do
1256 echo "#include <stdint.h>"
1257 for func in $funcs; do
1258 echo "long check_$func(void) { return (long) $func; }"
1260 echo "int main(void) { int ret = 0;"
1261 # LTO could optimize out the test functions without this
1262 for func in $funcs; do
1263 echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"
1265 echo "return ret; }"
1266 } | test_ld "cc" "$@" && enable $funcs && enable_sanitized $headers
1269 check_class_headers_cpp(){
1270 log check_class_headers_cpp "$@"
1275 for hdr in $headers; do
1276 echo "#include <$hdr>"
1278 echo "int main(void) { "
1280 for class in $classes; do
1281 echo "$class obj$i;"
1285 } | test_ld "cxx" "$@" && enable $funcs && enable_sanitized $headers
1288 test_cpp_condition(){
1289 log test_cpp_condition "$@"
1296 #error "unsatisfied condition: $condition"
1301 check_cpp_condition(){
1302 log check_cpp_condition "$@"
1306 test_cpp_condition "$@" && enable $name
1310 log test_cflags_cc "$@"
1315 set -- $($cflags_filter "$flags")
1319 #error "unsatisfied condition: $condition"
1331 check_func_headers "$headers" "$funcs" "$@" &&
1332 enable $name && eval ${name}_extralibs="\$@"
1336 log check_lib_cpp "$@"
1342 check_class_headers_cpp "$headers" "$classes" "$@" &&
1343 enable $name && eval ${name}_extralibs="\$@"
1347 log test_pkg_config "$@"
1355 test_cmd $pkg_config --exists --print-errors $pkg_version || return
1356 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1357 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1358 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1360 set_sanitized "${name}_cflags" $pkg_cflags &&
1361 set_sanitized "${name}_extralibs" $pkg_libs
1365 log check_pkg_config "$@"
1367 test_pkg_config "$@" &&
1368 eval add_cflags \$${name}_cflags
1372 test_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1376 log check_exec_crash "$@"
1379 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1380 # are safe but may not be available everywhere. Thus we use
1381 # raise(SIGTERM) instead. The check is run in a subshell so we
1382 # can redirect the "Terminated" message from the shell. SIGBUS
1383 # is not defined by standard C so it is used conditionally.
1385 (test_exec "$@") >> $logfile 2>&1 <<EOF
1387 static void sighandler(int sig){
1393 int (*func_ptr)(void) = foo;
1395 signal(SIGILL, sighandler);
1396 signal(SIGFPE, sighandler);
1397 signal(SIGSEGV, sighandler);
1399 signal(SIGBUS, sighandler);
1411 disable_sanitized "$type"
1412 test_code cc "$headers" "$type v" "$@" && enable_sanitized "$type"
1416 log check_struct "$@"
1421 disable_sanitized "${struct}_${member}"
1422 test_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1423 enable_sanitized "${struct}_${member}"
1427 log check_builtin "$@"
1433 test_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1436 check_compile_assert(){
1437 log check_compile_assert "$@"
1443 test_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1451 test_code cc "$@" && enable "$name"
1459 check_lib $name "$@" || die "ERROR: $name_version not found"
1466 test_code cc "$@" || die "ERROR: $name failed"
1474 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1478 log require_header "$@"
1480 check_header "$@" || die "ERROR: $headers not found"
1483 require_cpp_condition(){
1484 log require_cpp_condition "$@"
1486 test_cpp_condition "$@" || die "ERROR: $condition not satisfied"
1489 require_pkg_config(){
1490 log require_pkg_config "$@"
1492 check_pkg_config "$@" || die "ERROR: $pkg_version not found using pkg-config$pkg_config_fail_message"
1496 eval printf '%s\\n' $HOSTCC_E
1500 eval printf '%s\\n' $HOSTCC_O
1504 log test_host_cc "$@"
1507 test_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1511 log test_host_cpp "$@"
1514 test_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1517 check_host_cppflags(){
1518 log check_host_cppflags "$@"
1519 test_host_cpp "$@" <<EOF && append host_cppflags "$@"
1524 check_host_cflags(){
1525 log check_host_cflags "$@"
1526 set -- $($host_cflags_filter "$@")
1527 test_host_cc "$@" <<EOF && append host_cflags "$@"
1532 test_host_cpp_condition(){
1533 log test_host_cpp_condition "$@"
1537 test_host_cpp "$@" <<EOF
1540 #error "unsatisfied condition: $condition"
1545 check_host_cpp_condition(){
1546 log check_host_cpp_condition "$@"
1550 test_host_cpp_condition "$@" && enable $name
1554 cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1555 mkdir -p "$(dirname $2)"
1559 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1560 # system-dependent things.
1562 AVCODEC_COMPONENTS="
1570 AVDEVICE_COMPONENTS="
1575 AVFILTER_COMPONENTS="
1579 AVFORMAT_COMPONENTS="
1587 $AVDEVICE_COMPONENTS
1588 $AVFILTER_COMPONENTS
1589 $AVFORMAT_COMPONENTS
1593 avio_dir_cmd_example
1594 avio_reading_example
1595 decode_audio_example
1596 decode_video_example
1597 demuxing_decoding_example
1598 encode_audio_example
1599 encode_video_example
1601 filter_audio_example
1602 filtering_audio_example
1603 filtering_video_example
1604 http_multiclient_example
1610 resampling_audio_example
1611 scaling_video_example
1612 transcode_aac_example
1614 vaapi_encode_example
1615 vaapi_transcode_example
1618 EXTERNAL_AUTODETECT_LIBRARY_LIST="
1638 EXTERNAL_LIBRARY_GPL_LIST="
1650 EXTERNAL_LIBRARY_NONFREE_LIST="
1658 EXTERNAL_LIBRARY_VERSION3_LIST="
1669 EXTERNAL_LIBRARY_GPLV3_LIST="
1673 EXTERNAL_LIBRARY_LIST="
1674 $EXTERNAL_LIBRARY_GPL_LIST
1675 $EXTERNAL_LIBRARY_NONFREE_LIST
1676 $EXTERNAL_LIBRARY_VERSION3_LIST
1677 $EXTERNAL_LIBRARY_GPLV3_LIST
1740 HWACCEL_AUTODETECT_LIBRARY_LIST="
1758 # catchall list of things that require external libs to link
1764 HWACCEL_LIBRARY_NONFREE_LIST="
1769 HWACCEL_LIBRARY_LIST="
1770 $HWACCEL_LIBRARY_NONFREE_LIST
1791 safe_bitstream_reader
1837 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1841 $EXTERNAL_LIBRARY_LIST
1842 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1843 $HWACCEL_LIBRARY_LIST
1844 $HWACCEL_AUTODETECT_LIBRARY_LIST
1876 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1877 $HWACCEL_AUTODETECT_LIBRARY_LIST
1919 ARCH_EXT_LIST_MIPS="
1931 ARCH_EXT_LIST_LOONGSON="
1937 ARCH_EXT_LIST_X86_SIMD="
1967 $ARCH_EXT_LIST_X86_SIMD
1977 $ARCH_EXT_LIST_LOONGSON
1998 sync_val_compare_and_swap
2015 cdio_paranoia_paranoia_h
2018 dev_bktr_ioctl_bt848_h
2019 dev_bktr_ioctl_meteor_h
2021 dev_video_bktr_ioctl_bt848_h
2022 dev_video_meteor_ioctl_meteor_h
2031 machine_ioctl_bt848_h
2032 machine_ioctl_meteor_h
2034 opencv2_core_core_c_h
2096 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
2114 GetProcessAffinityMask
2115 GetProcessMemoryInfo
2118 GetSystemTimeAsFileTime
2141 SetConsoleTextAttribute
2142 SetConsoleCtrlHandler
2150 UTGetOSTypeFromString
2162 TOOLCHAIN_FEATURES="
2175 inline_asm_direct_symbol_refs
2177 inline_asm_nonlocal_labels
2188 kCMVideoCodecType_HEVC
2191 struct_group_source_req
2192 struct_ip_mreq_source
2194 struct_msghdr_msg_flags
2196 struct_rusage_ru_maxrss
2197 struct_sctp_event_subscribe
2199 struct_sockaddr_sa_len
2200 struct_sockaddr_storage
2201 struct_stat_st_mtim_tv_nsec
2202 struct_v4l2_frmivalenum_discrete
2207 $(add_suffix _external $ARCH_EXT_LIST)
2208 $(add_suffix _inline $ARCH_EXT_LIST)
2229 opencl_vaapi_beignet
2230 opencl_vaapi_intel_media
2236 # options emitted with CONFIG_ prefix but not available on the command line
2260 frame_thread_encoder
2417 # code dependency declarations
2419 # architecture extensions
2424 armv8_deps="aarch64"
2425 neon_deps_any="aarch64 arm"
2426 intrinsics_neon_deps="neon"
2427 vfp_deps_any="aarch64 arm"
2431 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2440 loongson2_deps="mips"
2441 loongson3_deps="mips"
2442 mips32r2_deps="mips"
2443 mips32r5_deps="mips"
2444 mips32r6_deps="mips"
2445 mips64r2_deps="mips"
2446 mips64r6_deps="mips"
2449 mipsdspr2_deps="mips"
2454 x86_64_select="i686"
2455 x86_64_suggest="fast_cmov"
2458 amd3dnowext_deps="amd3dnow"
2476 mmx_external_deps="x86asm"
2477 mmx_inline_deps="inline_asm x86"
2478 mmx_suggest="mmx_external mmx_inline"
2480 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2481 eval dep=\$${ext}_deps
2482 eval ${ext}_external_deps='"${dep}_external"'
2483 eval ${ext}_inline_deps='"${dep}_inline"'
2484 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2487 aligned_stack_if_any="aarch64 ppc x86"
2488 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2489 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2490 fast_unaligned_if_any="aarch64 ppc x86"
2491 simd_align_16_if_any="altivec neon sse"
2492 simd_align_32_if_any="avx"
2493 simd_align_64_if_any="avx512"
2495 # system capabilities
2496 linux_perf_deps="linux_perf_event_h"
2497 symver_if_any="symver_asm_label symver_gnu_asm"
2498 valgrind_backtrace_conflict="optimizations"
2499 valgrind_backtrace_deps="valgrind_valgrind_h"
2502 atomics_gcc_if="sync_val_compare_and_swap"
2503 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2504 atomics_win32_if="MemoryBarrier"
2505 atomics_native_if_any="$ATOMICS_LIST"
2506 w32threads_deps="atomics_native"
2507 threads_if_any="$THREADS_LIST"
2510 cbs_h264_select="cbs golomb"
2511 cbs_h265_select="cbs golomb"
2512 cbs_mpeg2_select="cbs"
2513 cbs_vp9_select="cbs"
2515 dirac_parse_select="golomb"
2516 dnn_suggest="libtensorflow"
2517 error_resilience_select="me_cmp"
2519 faandct_select="fdctdsp"
2520 faanidct_deps="faan"
2521 faanidct_select="idctdsp"
2522 h264dsp_select="startcode"
2523 hevcparse_select="golomb"
2524 frame_thread_encoder_deps="encoders threads"
2525 intrax8_select="blockdsp idctdsp"
2528 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2529 mpeg_er_select="error_resilience"
2530 mpegaudio_select="mpegaudiodsp mpegaudioheader"
2531 mpegaudiodsp_select="dct"
2532 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2533 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2534 vc1dsp_select="h264chroma qpeldsp startcode"
2537 # decoders / encoders
2538 aac_decoder_select="adts_header mdct15 mdct sinewin"
2539 aac_fixed_decoder_select="adts_header mdct sinewin"
2540 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2541 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2542 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2543 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2544 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2545 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2546 adpcm_g722_decoder_select="g722dsp"
2547 adpcm_g722_encoder_select="g722dsp"
2548 aic_decoder_select="golomb idctdsp"
2549 alac_encoder_select="lpc"
2550 als_decoder_select="bswapdsp"
2551 amrnb_decoder_select="lsp"
2552 amrwb_decoder_select="lsp"
2553 amv_decoder_select="sp5x_decoder exif"
2554 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2555 ape_decoder_select="bswapdsp llauddsp"
2556 apng_decoder_deps="zlib"
2557 apng_encoder_deps="zlib"
2558 apng_encoder_select="llvidencdsp"
2559 aptx_decoder_select="audio_frame_queue"
2560 aptx_encoder_select="audio_frame_queue"
2561 aptx_hd_decoder_select="audio_frame_queue"
2562 aptx_hd_encoder_select="audio_frame_queue"
2563 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2564 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2565 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2566 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2567 atrac1_decoder_select="mdct sinewin"
2568 atrac3_decoder_select="mdct"
2569 atrac3p_decoder_select="mdct sinewin"
2570 atrac9_decoder_select="mdct"
2571 avrn_decoder_select="exif jpegtables"
2572 bink_decoder_select="blockdsp hpeldsp"
2573 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2574 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2575 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2576 clearvideo_decoder_select="idctdsp"
2577 cllc_decoder_select="bswapdsp"
2578 comfortnoise_encoder_select="lpc"
2579 cook_decoder_select="audiodsp mdct sinewin"
2580 cscd_decoder_select="lzo"
2581 cscd_decoder_suggest="zlib"
2582 dca_decoder_select="mdct"
2583 dds_decoder_select="texturedsp"
2584 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2585 dnxhd_decoder_select="blockdsp idctdsp"
2586 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2587 dolby_e_decoder_select="mdct"
2588 dvvideo_decoder_select="dvprofile idctdsp"
2589 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2590 dxa_decoder_deps="zlib"
2591 dxv_decoder_select="lzf texturedsp"
2592 eac3_decoder_select="ac3_decoder"
2593 eac3_encoder_select="ac3_encoder"
2594 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2595 eatgq_decoder_select="aandcttables"
2596 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2597 exr_decoder_deps="zlib"
2598 ffv1_decoder_select="rangecoder"
2599 ffv1_encoder_select="rangecoder"
2600 ffvhuff_decoder_select="huffyuv_decoder"
2601 ffvhuff_encoder_select="huffyuv_encoder"
2602 fic_decoder_select="golomb"
2603 flac_decoder_select="flacdsp"
2604 flac_encoder_select="bswapdsp flacdsp lpc"
2605 flashsv2_decoder_deps="zlib"
2606 flashsv2_encoder_deps="zlib"
2607 flashsv_decoder_deps="zlib"
2608 flashsv_encoder_deps="zlib"
2609 flv_decoder_select="h263_decoder"
2610 flv_encoder_select="h263_encoder"
2611 fourxm_decoder_select="blockdsp bswapdsp"
2612 fraps_decoder_select="bswapdsp huffman"
2613 g2m_decoder_deps="zlib"
2614 g2m_decoder_select="blockdsp idctdsp jpegtables"
2615 g729_decoder_select="audiodsp"
2616 h261_decoder_select="mpegvideo"
2617 h261_encoder_select="aandcttables mpegvideoenc"
2618 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2619 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2620 h263i_decoder_select="h263_decoder"
2621 h263p_decoder_select="h263_decoder"
2622 h263p_encoder_select="h263_encoder"
2623 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2624 h264_decoder_suggest="error_resilience"
2625 hap_decoder_select="snappy texturedsp"
2626 hap_encoder_deps="libsnappy"
2627 hap_encoder_select="texturedspenc"
2628 hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"
2629 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2630 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"
2631 iac_decoder_select="imc_decoder"
2632 imc_decoder_select="bswapdsp fft mdct sinewin"
2633 indeo3_decoder_select="hpeldsp"
2634 indeo4_decoder_select="ividsp"
2635 indeo5_decoder_select="ividsp"
2636 interplay_video_decoder_select="hpeldsp"
2637 jpegls_decoder_select="mjpeg_decoder"
2638 jv_decoder_select="blockdsp"
2639 lagarith_decoder_select="llviddsp"
2640 ljpeg_encoder_select="aandcttables idctdsp jpegtables mpegvideoenc"
2641 magicyuv_decoder_select="llviddsp"
2642 magicyuv_encoder_select="llvidencdsp"
2643 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2644 metasound_decoder_select="lsp mdct sinewin"
2645 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2646 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2647 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2648 mjpegb_decoder_select="mjpeg_decoder"
2649 mlp_decoder_select="mlp_parser"
2650 mlp_encoder_select="lpc"
2651 motionpixels_decoder_select="bswapdsp"
2652 mp1_decoder_select="mpegaudio"
2653 mp1float_decoder_select="mpegaudio"
2654 mp2_decoder_select="mpegaudio"
2655 mp2float_decoder_select="mpegaudio"
2656 mp3_decoder_select="mpegaudio"
2657 mp3adu_decoder_select="mpegaudio"
2658 mp3adufloat_decoder_select="mpegaudio"
2659 mp3float_decoder_select="mpegaudio"
2660 mp3on4_decoder_select="mpegaudio"
2661 mp3on4float_decoder_select="mpegaudio"
2662 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2663 mpc8_decoder_select="mpegaudiodsp"
2664 mpegvideo_decoder_select="mpegvideo"
2665 mpeg1video_decoder_select="mpegvideo"
2666 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2667 mpeg2video_decoder_select="mpegvideo"
2668 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2669 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2670 mpeg4_encoder_select="h263_encoder"
2671 msa1_decoder_select="mss34dsp"
2672 mscc_decoder_deps="zlib"
2673 msmpeg4v1_decoder_select="h263_decoder"
2674 msmpeg4v2_decoder_select="h263_decoder"
2675 msmpeg4v2_encoder_select="h263_encoder"
2676 msmpeg4v3_decoder_select="h263_decoder"
2677 msmpeg4v3_encoder_select="h263_encoder"
2678 mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"
2679 mts2_decoder_select="mss34dsp"
2680 mxpeg_decoder_select="mjpeg_decoder"
2681 nellymoser_decoder_select="mdct sinewin"
2682 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2683 nuv_decoder_select="idctdsp lzo"
2684 on2avc_decoder_select="mdct"
2685 opus_decoder_deps="swresample"
2686 opus_decoder_select="mdct15"
2687 opus_encoder_select="audio_frame_queue mdct15"
2688 png_decoder_deps="zlib"
2689 png_encoder_deps="zlib"
2690 png_encoder_select="llvidencdsp"
2691 prores_decoder_select="blockdsp idctdsp"
2692 prores_encoder_select="fdctdsp"
2693 qcelp_decoder_select="lsp"
2694 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2695 ra_144_decoder_select="audiodsp"
2696 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2697 ralf_decoder_select="golomb"
2698 rawvideo_decoder_select="bswapdsp"
2699 rscc_decoder_deps="zlib"
2700 rtjpeg_decoder_select="me_cmp"
2701 rv10_decoder_select="h263_decoder"
2702 rv10_encoder_select="h263_encoder"
2703 rv20_decoder_select="h263_decoder"
2704 rv20_encoder_select="h263_encoder"
2705 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2706 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2707 screenpresso_decoder_deps="zlib"
2708 shorten_decoder_select="bswapdsp"
2709 sipr_decoder_select="lsp"
2710 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2711 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2712 sonic_decoder_select="golomb rangecoder"
2713 sonic_encoder_select="golomb rangecoder"
2714 sonic_ls_encoder_select="golomb rangecoder"
2715 sp5x_decoder_select="mjpeg_decoder"
2716 srgc_decoder_deps="zlib"
2717 svq1_decoder_select="hpeldsp"
2718 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2719 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2720 svq3_decoder_suggest="zlib"
2721 tak_decoder_select="audiodsp"
2722 tdsc_decoder_deps="zlib"
2723 tdsc_decoder_select="mjpeg_decoder"
2724 theora_decoder_select="vp3_decoder"
2725 thp_decoder_select="mjpeg_decoder"
2726 tiff_decoder_suggest="zlib lzma"
2727 tiff_encoder_suggest="zlib"
2728 truehd_decoder_select="mlp_parser"
2729 truehd_encoder_select="lpc"
2730 truemotion2_decoder_select="bswapdsp"
2731 truespeech_decoder_select="bswapdsp"
2732 tscc_decoder_deps="zlib"
2733 twinvq_decoder_select="mdct lsp sinewin"
2734 txd_decoder_select="texturedsp"
2735 utvideo_decoder_select="bswapdsp llviddsp"
2736 utvideo_encoder_select="bswapdsp huffman llvidencdsp"
2737 vble_decoder_select="llviddsp"
2738 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2739 vc1image_decoder_select="vc1_decoder"
2740 vorbis_decoder_select="mdct"
2741 vorbis_encoder_select="audio_frame_queue mdct"
2742 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2743 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2744 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2745 vp6a_decoder_select="vp6_decoder"
2746 vp6f_decoder_select="vp6_decoder"
2747 vp7_decoder_select="h264pred videodsp vp8dsp"
2748 vp8_decoder_select="h264pred videodsp vp8dsp"
2749 vp9_decoder_select="videodsp vp9_parser vp9_superframe_split_bsf"
2750 webp_decoder_select="vp8_decoder exif"
2751 wmalossless_decoder_select="llauddsp"
2752 wmapro_decoder_select="mdct sinewin wma_freqs"
2753 wmav1_decoder_select="mdct sinewin wma_freqs"
2754 wmav1_encoder_select="mdct sinewin wma_freqs"
2755 wmav2_decoder_select="mdct sinewin wma_freqs"
2756 wmav2_encoder_select="mdct sinewin wma_freqs"
2757 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2758 wmv1_decoder_select="h263_decoder"
2759 wmv1_encoder_select="h263_encoder"
2760 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2761 wmv2_encoder_select="h263_encoder wmv2dsp"
2762 wmv3_decoder_select="vc1_decoder"
2763 wmv3image_decoder_select="wmv3_decoder"
2764 xma1_decoder_select="wmapro_decoder"
2765 xma2_decoder_select="wmapro_decoder"
2766 zerocodec_decoder_deps="zlib"
2767 zlib_decoder_deps="zlib"
2768 zlib_encoder_deps="zlib"
2769 zmbv_decoder_deps="zlib"
2770 zmbv_encoder_deps="zlib"
2772 # hardware accelerators
2773 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2774 cuda_deps="ffnvcodec"
2775 cuvid_deps="ffnvcodec"
2776 d3d11va_deps="dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2777 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32 user32"
2778 ffnvcodec_deps_any="libdl LoadLibrary"
2779 nvdec_deps="ffnvcodec"
2780 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2781 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2782 xvmc_deps="X11_extensions_XvMClib_h"
2784 h263_vaapi_hwaccel_deps="vaapi"
2785 h263_vaapi_hwaccel_select="h263_decoder"
2786 h263_videotoolbox_hwaccel_deps="videotoolbox"
2787 h263_videotoolbox_hwaccel_select="h263_decoder"
2788 h264_d3d11va_hwaccel_deps="d3d11va"
2789 h264_d3d11va_hwaccel_select="h264_decoder"
2790 h264_d3d11va2_hwaccel_deps="d3d11va"
2791 h264_d3d11va2_hwaccel_select="h264_decoder"
2792 h264_dxva2_hwaccel_deps="dxva2"
2793 h264_dxva2_hwaccel_select="h264_decoder"
2794 h264_nvdec_hwaccel_deps="nvdec"
2795 h264_nvdec_hwaccel_select="h264_decoder"
2796 h264_vaapi_hwaccel_deps="vaapi"
2797 h264_vaapi_hwaccel_select="h264_decoder"
2798 h264_vdpau_hwaccel_deps="vdpau"
2799 h264_vdpau_hwaccel_select="h264_decoder"
2800 h264_videotoolbox_hwaccel_deps="videotoolbox"
2801 h264_videotoolbox_hwaccel_select="h264_decoder"
2802 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2803 hevc_d3d11va_hwaccel_select="hevc_decoder"
2804 hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2805 hevc_d3d11va2_hwaccel_select="hevc_decoder"
2806 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2807 hevc_dxva2_hwaccel_select="hevc_decoder"
2808 hevc_nvdec_hwaccel_deps="nvdec"
2809 hevc_nvdec_hwaccel_select="hevc_decoder"
2810 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2811 hevc_vaapi_hwaccel_select="hevc_decoder"
2812 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2813 hevc_vdpau_hwaccel_select="hevc_decoder"
2814 hevc_videotoolbox_hwaccel_deps="videotoolbox"
2815 hevc_videotoolbox_hwaccel_select="hevc_decoder"
2816 mjpeg_nvdec_hwaccel_deps="nvdec"
2817 mjpeg_nvdec_hwaccel_select="mjpeg_decoder"
2818 mjpeg_vaapi_hwaccel_deps="vaapi"
2819 mjpeg_vaapi_hwaccel_select="mjpeg_decoder"
2820 mpeg_xvmc_hwaccel_deps="xvmc"
2821 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2822 mpeg1_nvdec_hwaccel_deps="nvdec"
2823 mpeg1_nvdec_hwaccel_select="mpeg1video_decoder"
2824 mpeg1_vdpau_hwaccel_deps="vdpau"
2825 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2826 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2827 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2828 mpeg1_xvmc_hwaccel_deps="xvmc"
2829 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2830 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2831 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2832 mpeg2_d3d11va2_hwaccel_deps="d3d11va"
2833 mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"
2834 mpeg2_dxva2_hwaccel_deps="dxva2"
2835 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2836 mpeg2_nvdec_hwaccel_deps="nvdec"
2837 mpeg2_nvdec_hwaccel_select="mpeg2video_decoder"
2838 mpeg2_vaapi_hwaccel_deps="vaapi"
2839 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2840 mpeg2_vdpau_hwaccel_deps="vdpau"
2841 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2842 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2843 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2844 mpeg2_xvmc_hwaccel_deps="xvmc"
2845 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2846 mpeg4_nvdec_hwaccel_deps="nvdec"
2847 mpeg4_nvdec_hwaccel_select="mpeg4_decoder"
2848 mpeg4_vaapi_hwaccel_deps="vaapi"
2849 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2850 mpeg4_vdpau_hwaccel_deps="vdpau"
2851 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2852 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2853 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2854 vc1_d3d11va_hwaccel_deps="d3d11va"
2855 vc1_d3d11va_hwaccel_select="vc1_decoder"
2856 vc1_d3d11va2_hwaccel_deps="d3d11va"
2857 vc1_d3d11va2_hwaccel_select="vc1_decoder"
2858 vc1_dxva2_hwaccel_deps="dxva2"
2859 vc1_dxva2_hwaccel_select="vc1_decoder"
2860 vc1_nvdec_hwaccel_deps="nvdec"
2861 vc1_nvdec_hwaccel_select="vc1_decoder"
2862 vc1_vaapi_hwaccel_deps="vaapi"
2863 vc1_vaapi_hwaccel_select="vc1_decoder"
2864 vc1_vdpau_hwaccel_deps="vdpau"
2865 vc1_vdpau_hwaccel_select="vc1_decoder"
2866 vp8_nvdec_hwaccel_deps="nvdec"
2867 vp8_nvdec_hwaccel_select="vp8_decoder"
2868 vp8_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferVP8"
2869 vp8_vaapi_hwaccel_select="vp8_decoder"
2870 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2871 vp9_d3d11va_hwaccel_select="vp9_decoder"
2872 vp9_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2873 vp9_d3d11va2_hwaccel_select="vp9_decoder"
2874 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2875 vp9_dxva2_hwaccel_select="vp9_decoder"
2876 vp9_nvdec_hwaccel_deps="nvdec"
2877 vp9_nvdec_hwaccel_select="vp9_decoder"
2878 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"
2879 vp9_vaapi_hwaccel_select="vp9_decoder"
2880 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2881 wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"
2882 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2883 wmv3_nvdec_hwaccel_select="vc1_nvdec_hwaccel"
2884 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2885 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2887 # hardware-accelerated codecs
2888 omx_deps="libdl pthreads"
2889 omx_rpi_select="omx"
2894 vaapi_encode_deps="vaapi"
2895 v4l2_m2m_deps="linux_videodev2_h sem_timedwait"
2897 hwupload_cuda_filter_deps="ffnvcodec"
2898 scale_npp_filter_deps="ffnvcodec libnpp"
2899 scale_cuda_filter_deps="cuda_sdk"
2900 thumbnail_cuda_filter_deps="cuda_sdk"
2902 amf_deps_any="libdl LoadLibrary"
2903 nvenc_deps="ffnvcodec"
2904 nvenc_deps_any="libdl LoadLibrary"
2905 nvenc_encoder_deps="nvenc"
2907 h263_v4l2m2m_decoder_deps="v4l2_m2m h263_v4l2_m2m"
2908 h263_v4l2m2m_encoder_deps="v4l2_m2m h263_v4l2_m2m"
2909 h264_amf_encoder_deps="amf"
2910 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2911 h264_cuvid_decoder_deps="cuvid"
2912 h264_cuvid_decoder_select="h264_mp4toannexb_bsf"
2913 h264_mediacodec_decoder_deps="mediacodec"
2914 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2915 h264_mmal_decoder_deps="mmal"
2916 h264_nvenc_encoder_deps="nvenc"
2917 h264_omx_encoder_deps="omx"
2918 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec"
2919 h264_qsv_encoder_select="qsvenc"
2920 h264_rkmpp_decoder_deps="rkmpp"
2921 h264_rkmpp_decoder_select="h264_mp4toannexb_bsf"
2922 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2923 h264_vaapi_encoder_select="cbs_h264 vaapi_encode"
2924 h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m"
2925 h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"
2926 hevc_amf_encoder_deps="amf"
2927 hevc_cuvid_decoder_deps="cuvid"
2928 hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"
2929 hevc_mediacodec_decoder_deps="mediacodec"
2930 hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"
2931 hevc_nvenc_encoder_deps="nvenc"
2932 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec"
2933 hevc_qsv_encoder_select="hevcparse qsvenc"
2934 hevc_rkmpp_decoder_deps="rkmpp"
2935 hevc_rkmpp_decoder_select="hevc_mp4toannexb_bsf"
2936 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2937 hevc_vaapi_encoder_select="cbs_h265 vaapi_encode"
2938 hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"
2939 hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"
2940 mjpeg_cuvid_decoder_deps="cuvid"
2941 mjpeg_qsv_encoder_deps="libmfx"
2942 mjpeg_qsv_encoder_select="qsvenc"
2943 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2944 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2945 mpeg1_cuvid_decoder_deps="cuvid"
2946 mpeg1_v4l2m2m_decoder_deps="v4l2_m2m mpeg1_v4l2_m2m"
2947 mpeg2_crystalhd_decoder_select="crystalhd"
2948 mpeg2_cuvid_decoder_deps="cuvid"
2949 mpeg2_mmal_decoder_deps="mmal"
2950 mpeg2_mediacodec_decoder_deps="mediacodec"
2951 mpeg2_qsv_decoder_select="qsvdec mpegvideo_parser"
2952 mpeg2_qsv_encoder_select="qsvenc"
2953 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2954 mpeg2_vaapi_encoder_select="cbs_mpeg2 vaapi_encode"
2955 mpeg2_v4l2m2m_decoder_deps="v4l2_m2m mpeg2_v4l2_m2m"
2956 mpeg4_crystalhd_decoder_select="crystalhd"
2957 mpeg4_cuvid_decoder_deps="cuvid"
2958 mpeg4_mediacodec_decoder_deps="mediacodec"
2959 mpeg4_mmal_decoder_deps="mmal"
2960 mpeg4_omx_encoder_deps="omx"
2961 mpeg4_v4l2m2m_decoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2962 mpeg4_v4l2m2m_encoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2963 msmpeg4_crystalhd_decoder_select="crystalhd"
2964 nvenc_h264_encoder_select="h264_nvenc_encoder"
2965 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2966 vc1_crystalhd_decoder_select="crystalhd"
2967 vc1_cuvid_decoder_deps="cuvid"
2968 vc1_mmal_decoder_deps="mmal"
2969 vc1_qsv_decoder_select="qsvdec vc1_parser"
2970 vc1_v4l2m2m_decoder_deps="v4l2_m2m vc1_v4l2_m2m"
2971 vp8_cuvid_decoder_deps="cuvid"
2972 vp8_mediacodec_decoder_deps="mediacodec"
2973 vp8_qsv_decoder_select="qsvdec vp8_parser"
2974 vp8_rkmpp_decoder_deps="rkmpp"
2975 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2976 vp8_vaapi_encoder_select="vaapi_encode"
2977 vp8_v4l2m2m_decoder_deps="v4l2_m2m vp8_v4l2_m2m"
2978 vp8_v4l2m2m_encoder_deps="v4l2_m2m vp8_v4l2_m2m"
2979 vp9_cuvid_decoder_deps="cuvid"
2980 vp9_mediacodec_decoder_deps="mediacodec"
2981 vp9_rkmpp_decoder_deps="rkmpp"
2982 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
2983 vp9_vaapi_encoder_select="vaapi_encode"
2984 vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m"
2985 wmv3_crystalhd_decoder_select="crystalhd"
2988 aac_parser_select="adts_header"
2989 h264_parser_select="golomb h264dsp h264parse"
2990 hevc_parser_select="hevcparse"
2991 mpegaudio_parser_select="mpegaudioheader"
2992 mpegvideo_parser_select="mpegvideo"
2993 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2994 vc1_parser_select="vc1dsp"
2997 aac_adtstoasc_bsf_select="adts_header"
2998 eac3_core_bsf_select="ac3_parser"
2999 filter_units_bsf_select="cbs"
3000 h264_metadata_bsf_deps="const_nan"
3001 h264_metadata_bsf_select="cbs_h264"
3002 h264_redundant_pps_bsf_select="cbs_h264"
3003 hevc_metadata_bsf_select="cbs_h265"
3004 mjpeg2jpeg_bsf_select="jpegtables"
3005 mpeg2_metadata_bsf_select="cbs_mpeg2"
3006 trace_headers_bsf_select="cbs"
3007 vp9_metadata_bsf_select="cbs_vp9"
3009 # external libraries
3010 aac_at_decoder_deps="audiotoolbox"
3011 aac_at_decoder_select="aac_adtstoasc_bsf"
3012 ac3_at_decoder_deps="audiotoolbox"
3013 ac3_at_decoder_select="ac3_parser"
3014 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
3015 alac_at_decoder_deps="audiotoolbox"
3016 amr_nb_at_decoder_deps="audiotoolbox"
3017 avisynth_deps_any="libdl LoadLibrary"
3018 avisynth_demuxer_deps="avisynth"
3019 avisynth_demuxer_select="riffdec"
3020 eac3_at_decoder_deps="audiotoolbox"
3021 eac3_at_decoder_select="ac3_parser"
3022 gsm_ms_at_decoder_deps="audiotoolbox"
3023 ilbc_at_decoder_deps="audiotoolbox"
3024 mp1_at_decoder_deps="audiotoolbox"
3025 mp2_at_decoder_deps="audiotoolbox"
3026 mp3_at_decoder_deps="audiotoolbox"
3027 mp1_at_decoder_select="mpegaudioheader"
3028 mp2_at_decoder_select="mpegaudioheader"
3029 mp3_at_decoder_select="mpegaudioheader"
3030 pcm_alaw_at_decoder_deps="audiotoolbox"
3031 pcm_mulaw_at_decoder_deps="audiotoolbox"
3032 qdmc_at_decoder_deps="audiotoolbox"
3033 qdm2_at_decoder_deps="audiotoolbox"
3034 aac_at_encoder_deps="audiotoolbox"
3035 aac_at_encoder_select="audio_frame_queue"
3036 alac_at_encoder_deps="audiotoolbox"
3037 alac_at_encoder_select="audio_frame_queue"
3038 ilbc_at_encoder_deps="audiotoolbox"
3039 ilbc_at_encoder_select="audio_frame_queue"
3040 pcm_alaw_at_encoder_deps="audiotoolbox"
3041 pcm_alaw_at_encoder_select="audio_frame_queue"
3042 pcm_mulaw_at_encoder_deps="audiotoolbox"
3043 pcm_mulaw_at_encoder_select="audio_frame_queue"
3044 chromaprint_muxer_deps="chromaprint"
3045 h264_videotoolbox_encoder_deps="pthreads"
3046 h264_videotoolbox_encoder_select="videotoolbox_encoder"
3047 hevc_videotoolbox_encoder_deps="pthreads"
3048 hevc_videotoolbox_encoder_select="videotoolbox_encoder"
3049 libaom_av1_decoder_deps="libaom"
3050 libaom_av1_encoder_deps="libaom"
3051 libaom_av1_encoder_select="extract_extradata_bsf"
3052 libcelt_decoder_deps="libcelt"
3053 libcodec2_decoder_deps="libcodec2"
3054 libcodec2_encoder_deps="libcodec2"
3055 libfdk_aac_decoder_deps="libfdk_aac"
3056 libfdk_aac_encoder_deps="libfdk_aac"
3057 libfdk_aac_encoder_select="audio_frame_queue"
3058 libgme_demuxer_deps="libgme"
3059 libgsm_decoder_deps="libgsm"
3060 libgsm_encoder_deps="libgsm"
3061 libgsm_ms_decoder_deps="libgsm"
3062 libgsm_ms_encoder_deps="libgsm"
3063 libilbc_decoder_deps="libilbc"
3064 libilbc_encoder_deps="libilbc"
3065 libkvazaar_encoder_deps="libkvazaar"
3066 libmodplug_demuxer_deps="libmodplug"
3067 libmp3lame_encoder_deps="libmp3lame"
3068 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
3069 libopencore_amrnb_decoder_deps="libopencore_amrnb"
3070 libopencore_amrnb_encoder_deps="libopencore_amrnb"
3071 libopencore_amrnb_encoder_select="audio_frame_queue"
3072 libopencore_amrwb_decoder_deps="libopencore_amrwb"
3073 libopenh264_decoder_deps="libopenh264"
3074 libopenh264_decoder_select="h264_mp4toannexb_bsf"
3075 libopenh264_encoder_deps="libopenh264"
3076 libopenjpeg_decoder_deps="libopenjpeg"
3077 libopenjpeg_encoder_deps="libopenjpeg"
3078 libopenmpt_demuxer_deps="libopenmpt"
3079 libopus_decoder_deps="libopus"
3080 libopus_encoder_deps="libopus"
3081 libopus_encoder_select="audio_frame_queue"
3082 librsvg_decoder_deps="librsvg"
3083 libshine_encoder_deps="libshine"
3084 libshine_encoder_select="audio_frame_queue"
3085 libspeex_decoder_deps="libspeex"
3086 libspeex_encoder_deps="libspeex"
3087 libspeex_encoder_select="audio_frame_queue"
3088 libtheora_encoder_deps="libtheora"
3089 libtwolame_encoder_deps="libtwolame"
3090 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
3091 libvorbis_decoder_deps="libvorbis"
3092 libvorbis_encoder_deps="libvorbis libvorbisenc"
3093 libvorbis_encoder_select="audio_frame_queue"
3094 libvpx_vp8_decoder_deps="libvpx"
3095 libvpx_vp8_encoder_deps="libvpx"
3096 libvpx_vp9_decoder_deps="libvpx"
3097 libvpx_vp9_encoder_deps="libvpx"
3098 libwavpack_encoder_deps="libwavpack"
3099 libwavpack_encoder_select="audio_frame_queue"
3100 libwebp_encoder_deps="libwebp"
3101 libwebp_anim_encoder_deps="libwebp"
3102 libx262_encoder_deps="libx262"
3103 libx264_encoder_deps="libx264"
3104 libx264rgb_encoder_deps="libx264 x264_csp_bgr"
3105 libx264rgb_encoder_select="libx264_encoder"
3106 libx265_encoder_deps="libx265"
3107 libxavs_encoder_deps="libxavs"
3108 libxvid_encoder_deps="libxvid"
3109 libzvbi_teletext_decoder_deps="libzvbi"
3110 vapoursynth_demuxer_deps="vapoursynth"
3111 videotoolbox_suggest="coreservices"
3112 videotoolbox_deps="corefoundation coremedia corevideo"
3113 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
3116 ac3_demuxer_select="ac3_parser"
3117 aiff_muxer_select="iso_media"
3118 asf_demuxer_select="riffdec"
3119 asf_o_demuxer_select="riffdec"
3120 asf_muxer_select="riffenc"
3121 asf_stream_muxer_select="asf_muxer"
3122 avi_demuxer_select="iso_media riffdec exif"
3123 avi_muxer_select="riffenc"
3124 caf_demuxer_select="iso_media riffdec"
3125 caf_muxer_select="iso_media"
3126 dash_muxer_select="mp4_muxer"
3127 dash_demuxer_deps="libxml2"
3128 dirac_demuxer_select="dirac_parser"
3129 dts_demuxer_select="dca_parser"
3130 dtshd_demuxer_select="dca_parser"
3131 dv_demuxer_select="dvprofile"
3132 dv_muxer_select="dvprofile"
3133 dxa_demuxer_select="riffdec"
3134 eac3_demuxer_select="ac3_parser"
3135 f4v_muxer_select="mov_muxer"
3136 fifo_muxer_deps="threads"
3137 flac_demuxer_select="flac_parser"
3138 hds_muxer_select="flv_muxer"
3139 hls_muxer_select="mpegts_muxer"
3140 hls_muxer_suggest="gcrypt openssl"
3141 image2_alias_pix_demuxer_select="image2_demuxer"
3142 image2_brender_pix_demuxer_select="image2_demuxer"
3143 ipod_muxer_select="mov_muxer"
3144 ismv_muxer_select="mov_muxer"
3145 matroska_audio_muxer_select="matroska_muxer"
3146 matroska_demuxer_select="iso_media riffdec"
3147 matroska_demuxer_suggest="bzlib lzo zlib"
3148 matroska_muxer_select="iso_media riffenc"
3149 mmf_muxer_select="riffenc"
3150 mov_demuxer_select="iso_media riffdec"
3151 mov_demuxer_suggest="zlib"
3152 mov_muxer_select="iso_media riffenc rtpenc_chain"
3153 mp3_demuxer_select="mpegaudio_parser"
3154 mp3_muxer_select="mpegaudioheader"
3155 mp4_muxer_select="mov_muxer"
3156 mpegts_demuxer_select="iso_media"
3157 mpegts_muxer_select="adts_muxer latm_muxer"
3158 mpegtsraw_demuxer_select="mpegts_demuxer"
3159 mxf_d10_muxer_select="mxf_muxer"
3160 mxf_opatom_muxer_select="mxf_muxer"
3161 nut_muxer_select="riffenc"
3162 nuv_demuxer_select="riffdec"
3163 oga_muxer_select="ogg_muxer"
3164 ogg_demuxer_select="dirac_parse"
3165 ogv_muxer_select="ogg_muxer"
3166 opus_muxer_select="ogg_muxer"
3167 psp_muxer_select="mov_muxer"
3168 rtp_demuxer_select="sdp_demuxer"
3169 rtp_muxer_select="golomb"
3170 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
3171 rtsp_demuxer_select="http_protocol rtpdec"
3172 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
3173 sap_demuxer_select="sdp_demuxer"
3174 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
3175 sdp_demuxer_select="rtpdec"
3176 smoothstreaming_muxer_select="ismv_muxer"
3177 spdif_demuxer_select="adts_header"
3178 spdif_muxer_select="adts_header"
3179 spx_muxer_select="ogg_muxer"
3180 swf_demuxer_suggest="zlib"
3181 tak_demuxer_select="tak_parser"
3182 tg2_muxer_select="mov_muxer"
3183 tgp_muxer_select="mov_muxer"
3184 vobsub_demuxer_select="mpegps_demuxer"
3185 w64_demuxer_select="wav_demuxer"
3186 w64_muxer_select="wav_muxer"
3187 wav_demuxer_select="riffdec"
3188 wav_muxer_select="riffenc"
3189 webm_muxer_select="iso_media riffenc"
3190 webm_dash_manifest_demuxer_select="matroska_demuxer"
3191 wtv_demuxer_select="mpegts_demuxer riffdec"
3192 wtv_muxer_select="mpegts_muxer riffenc"
3193 xmv_demuxer_select="riffdec"
3194 xwma_demuxer_select="riffdec"
3197 android_camera_indev_deps="android camera2ndk mediandk pthreads"
3198 android_camera_indev_extralibs="-landroid -lcamera2ndk -lmediandk"
3199 alsa_indev_deps="alsa"
3200 alsa_outdev_deps="alsa"
3201 avfoundation_indev_deps="avfoundation corevideo coremedia pthreads"
3202 avfoundation_indev_suggest="coregraphics applicationservices"
3203 avfoundation_indev_extralibs="-framework Foundation"
3204 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
3205 caca_outdev_deps="libcaca"
3206 decklink_deps_any="libdl LoadLibrary"
3207 decklink_indev_deps="decklink threads"
3208 decklink_indev_extralibs="-lstdc++"
3209 decklink_outdev_deps="decklink threads"
3210 decklink_outdev_extralibs="-lstdc++"
3211 libndi_newtek_indev_deps="libndi_newtek"
3212 libndi_newtek_indev_extralibs="-lndi"
3213 libndi_newtek_outdev_deps="libndi_newtek"
3214 libndi_newtek_outdev_extralibs="-lndi"
3215 dshow_indev_deps="IBaseFilter"
3216 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
3217 fbdev_indev_deps="linux_fb_h"
3218 fbdev_outdev_deps="linux_fb_h"
3219 gdigrab_indev_deps="CreateDIBSection"
3220 gdigrab_indev_extralibs="-lgdi32"
3221 gdigrab_indev_select="bmp_decoder"
3222 iec61883_indev_deps="libiec61883"
3223 jack_indev_deps="libjack"
3224 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
3225 kmsgrab_indev_deps="libdrm"
3226 lavfi_indev_deps="avfilter"
3227 libcdio_indev_deps="libcdio"
3228 libdc1394_indev_deps="libdc1394"
3229 openal_indev_deps="openal"
3230 opengl_outdev_deps="opengl"
3231 oss_indev_deps_any="sys_soundcard_h"
3232 oss_outdev_deps_any="sys_soundcard_h"
3233 pulse_indev_deps="libpulse"
3234 pulse_outdev_deps="libpulse"
3235 sdl2_outdev_deps="sdl2"
3236 sndio_indev_deps="sndio"
3237 sndio_outdev_deps="sndio"
3238 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
3239 v4l2_indev_suggest="libv4l2"
3240 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
3241 v4l2_outdev_suggest="libv4l2"
3242 vfwcap_indev_deps="vfw32 vfwcap_defines"
3243 xcbgrab_indev_deps="libxcb"
3244 xcbgrab_indev_suggest="libxcb_shm libxcb_shape libxcb_xfixes"
3245 xv_outdev_deps="xlib"
3248 async_protocol_deps="threads"
3249 bluray_protocol_deps="libbluray"
3250 ffrtmpcrypt_protocol_conflict="librtmp_protocol"
3251 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl mbedtls"
3252 ffrtmpcrypt_protocol_select="tcp_protocol"
3253 ffrtmphttp_protocol_conflict="librtmp_protocol"
3254 ffrtmphttp_protocol_select="http_protocol"
3255 ftp_protocol_select="tcp_protocol"
3256 gopher_protocol_select="network"
3257 http_protocol_select="tcp_protocol"
3258 http_protocol_suggest="zlib"
3259 httpproxy_protocol_select="tcp_protocol"
3260 httpproxy_protocol_suggest="zlib"
3261 https_protocol_select="tls_protocol"
3262 https_protocol_suggest="zlib"
3263 icecast_protocol_select="http_protocol"
3264 librtmp_protocol_deps="librtmp"
3265 librtmpe_protocol_deps="librtmp"
3266 librtmps_protocol_deps="librtmp"
3267 librtmpt_protocol_deps="librtmp"
3268 librtmpte_protocol_deps="librtmp"
3269 libsmbclient_protocol_deps="libsmbclient gplv3"
3270 libssh_protocol_deps="libssh"
3271 libtls_conflict="openssl gnutls mbedtls"
3272 mmsh_protocol_select="http_protocol"
3273 mmst_protocol_select="network"
3274 libsrt_protocol_deps="libsrt"
3275 libsrt_protocol_select="network"
3276 rtmp_protocol_conflict="librtmp_protocol"
3277 rtmp_protocol_select="tcp_protocol"
3278 rtmp_protocol_suggest="zlib"
3279 rtmpe_protocol_select="ffrtmpcrypt_protocol"
3280 rtmpe_protocol_suggest="zlib"
3281 rtmps_protocol_conflict="librtmp_protocol"
3282 rtmps_protocol_select="tls_protocol"
3283 rtmps_protocol_suggest="zlib"
3284 rtmpt_protocol_select="ffrtmphttp_protocol"
3285 rtmpt_protocol_suggest="zlib"
3286 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
3287 rtmpte_protocol_suggest="zlib"
3288 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
3289 rtmpts_protocol_suggest="zlib"
3290 rtp_protocol_select="udp_protocol"
3291 schannel_conflict="openssl gnutls libtls mbedtls"
3292 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
3293 sctp_protocol_select="network"
3294 securetransport_conflict="openssl gnutls libtls mbedtls"
3295 srtp_protocol_select="rtp_protocol srtp"
3296 tcp_protocol_select="network"
3297 tls_protocol_deps_any="gnutls openssl schannel securetransport libtls mbedtls"
3298 tls_protocol_select="tcp_protocol"
3299 udp_protocol_select="network"
3300 udplite_protocol_select="network"
3301 unix_protocol_deps="sys_un_h"
3302 unix_protocol_select="network"
3305 afftfilt_filter_deps="avcodec"
3306 afftfilt_filter_select="fft"
3307 afir_filter_deps="avcodec"
3308 afir_filter_select="fft"
3309 amovie_filter_deps="avcodec avformat"
3310 aresample_filter_deps="swresample"
3311 ass_filter_deps="libass"
3312 atempo_filter_deps="avcodec"
3313 atempo_filter_select="rdft"
3314 avgblur_opencl_filter_deps="opencl"
3315 azmq_filter_deps="libzmq"
3316 blackframe_filter_deps="gpl"
3317 boxblur_filter_deps="gpl"
3318 boxblur_opencl_filter_deps="opencl gpl"
3319 bs2b_filter_deps="libbs2b"
3320 colormatrix_filter_deps="gpl"
3321 convolution_opencl_filter_deps="opencl"
3322 convolve_filter_deps="avcodec"
3323 convolve_filter_select="fft"
3324 coreimage_filter_deps="coreimage appkit"
3325 coreimage_filter_extralibs="-framework OpenGL"
3326 coreimagesrc_filter_deps="coreimage appkit"
3327 coreimagesrc_filter_extralibs="-framework OpenGL"
3328 cover_rect_filter_deps="avcodec avformat gpl"
3329 cropdetect_filter_deps="gpl"
3330 deconvolve_filter_deps="avcodec"
3331 deconvolve_filter_select="fft"
3332 deinterlace_qsv_filter_deps="libmfx"
3333 deinterlace_vaapi_filter_deps="vaapi"
3334 delogo_filter_deps="gpl"
3335 denoise_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3336 deshake_filter_select="pixelutils"
3337 drawtext_filter_deps="libfreetype"
3338 drawtext_filter_suggest="libfontconfig libfribidi"
3339 elbg_filter_deps="avcodec"
3340 eq_filter_deps="gpl"
3341 fftfilt_filter_deps="avcodec"
3342 fftfilt_filter_select="rdft"
3343 fftdnoiz_filter_deps="avcodec"
3344 fftdnoiz_filter_select="fft"
3345 find_rect_filter_deps="avcodec avformat gpl"
3346 firequalizer_filter_deps="avcodec"
3347 firequalizer_filter_select="rdft"
3348 flite_filter_deps="libflite"
3349 framerate_filter_select="pixelutils"
3350 frei0r_filter_deps="frei0r libdl"
3351 frei0r_src_filter_deps="frei0r libdl"
3352 fspp_filter_deps="gpl"
3353 geq_filter_deps="gpl"
3354 histeq_filter_deps="gpl"
3355 hqdn3d_filter_deps="gpl"
3356 interlace_filter_deps="gpl"
3357 kerndeint_filter_deps="gpl"
3358 ladspa_filter_deps="ladspa libdl"
3359 lensfun_filter_deps="liblensfun version3"
3360 lv2_filter_deps="lv2"
3361 mcdeint_filter_deps="avcodec gpl"
3362 movie_filter_deps="avcodec avformat"
3363 mpdecimate_filter_deps="gpl"
3364 mpdecimate_filter_select="pixelutils"
3365 mptestsrc_filter_deps="gpl"
3366 negate_filter_deps="lut_filter"
3367 nnedi_filter_deps="gpl"
3368 ocr_filter_deps="libtesseract"
3369 ocv_filter_deps="libopencv"
3370 openclsrc_filter_deps="opencl"
3371 overlay_opencl_filter_deps="opencl"
3372 overlay_qsv_filter_deps="libmfx"
3373 overlay_qsv_filter_select="qsvvpp"
3374 owdenoise_filter_deps="gpl"
3375 pan_filter_deps="swresample"
3376 perspective_filter_deps="gpl"
3377 phase_filter_deps="gpl"
3378 pp7_filter_deps="gpl"
3379 pp_filter_deps="gpl postproc"
3380 prewitt_opencl_filter_deps="opencl"
3381 procamp_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3382 program_opencl_filter_deps="opencl"
3383 pullup_filter_deps="gpl"
3384 removelogo_filter_deps="avcodec avformat swscale"
3385 repeatfields_filter_deps="gpl"
3386 resample_filter_deps="avresample"
3387 roberts_opencl_filter_deps="opencl"
3388 rubberband_filter_deps="librubberband"
3389 sab_filter_deps="gpl swscale"
3390 scale2ref_filter_deps="swscale"
3391 scale_filter_deps="swscale"
3392 scale_qsv_filter_deps="libmfx"
3393 select_filter_select="pixelutils"
3394 sharpness_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3395 showcqt_filter_deps="avcodec avformat swscale"
3396 showcqt_filter_suggest="libfontconfig libfreetype"
3397 showcqt_filter_select="fft"
3398 showfreqs_filter_deps="avcodec"
3399 showfreqs_filter_select="fft"
3400 showspectrum_filter_deps="avcodec"
3401 showspectrum_filter_select="fft"
3402 showspectrumpic_filter_deps="avcodec"
3403 showspectrumpic_filter_select="fft"
3404 signature_filter_deps="gpl avcodec avformat"
3405 smartblur_filter_deps="gpl swscale"
3406 sobel_opencl_filter_deps="opencl"
3407 sofalizer_filter_deps="libmysofa avcodec"
3408 sofalizer_filter_select="fft"
3409 spectrumsynth_filter_deps="avcodec"
3410 spectrumsynth_filter_select="fft"
3411 spp_filter_deps="gpl avcodec"
3412 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
3413 sr_filter_deps="avformat swscale"
3414 sr_filter_select="dnn"
3415 stereo3d_filter_deps="gpl"
3416 subtitles_filter_deps="avformat avcodec libass"
3417 super2xsai_filter_deps="gpl"
3418 pixfmts_super2xsai_test_deps="super2xsai_filter"
3419 tinterlace_filter_deps="gpl"
3420 tinterlace_merge_test_deps="tinterlace_filter"
3421 tinterlace_pad_test_deps="tinterlace_filter"
3422 tonemap_filter_deps="const_nan"
3423 tonemap_opencl_filter_deps="opencl const_nan"
3424 unsharp_opencl_filter_deps="opencl"
3425 uspp_filter_deps="gpl avcodec"
3426 vaguedenoiser_filter_deps="gpl"
3427 vidstabdetect_filter_deps="libvidstab"
3428 vidstabtransform_filter_deps="libvidstab"
3429 libvmaf_filter_deps="libvmaf pthreads"
3430 zmq_filter_deps="libzmq"
3431 zoompan_filter_deps="swscale"
3432 zscale_filter_deps="libzimg const_nan"
3433 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3434 vpp_qsv_filter_deps="libmfx"
3435 vpp_qsv_filter_select="qsvvpp"
3438 avio_dir_cmd_deps="avformat avutil"
3439 avio_reading_deps="avformat avcodec avutil"
3440 decode_audio_example_deps="avcodec avutil"
3441 decode_video_example_deps="avcodec avutil"
3442 demuxing_decoding_example_deps="avcodec avformat avutil"
3443 encode_audio_example_deps="avcodec avutil"
3444 encode_video_example_deps="avcodec avutil"
3445 extract_mvs_example_deps="avcodec avformat avutil"
3446 filter_audio_example_deps="avfilter avutil"
3447 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3448 filtering_video_example_deps="avfilter avcodec avformat avutil"
3449 http_multiclient_example_deps="avformat avutil fork"
3450 hw_decode_example_deps="avcodec avformat avutil"
3451 metadata_example_deps="avformat avutil"
3452 muxing_example_deps="avcodec avformat avutil swscale"
3453 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
3454 remuxing_example_deps="avcodec avformat avutil"
3455 resampling_audio_example_deps="avutil swresample"
3456 scaling_video_example_deps="avutil swscale"
3457 transcode_aac_example_deps="avcodec avformat swresample"
3458 transcoding_example_deps="avfilter avcodec avformat avutil"
3459 vaapi_encode_example_deps="avcodec avutil h264_vaapi_encoder"
3460 vaapi_transcode_example_deps="avcodec avformat avutil h264_vaapi_encoder"
3463 cpu_init_extralibs="pthreads_extralibs"
3464 cws2fws_extralibs="zlib_extralibs"
3466 # libraries, in linking order
3467 avcodec_deps="avutil"
3468 avcodec_suggest="libm"
3469 avcodec_select="null_bsf"
3470 avdevice_deps="avformat avcodec avutil"
3471 avdevice_suggest="libm"
3472 avfilter_deps="avutil"
3473 avfilter_suggest="libm"
3474 avformat_deps="avcodec avutil"
3475 avformat_suggest="libm network zlib"
3476 avresample_deps="avutil"
3477 avresample_suggest="libm"
3478 avutil_suggest="clock_gettime ffnvcodec libm libdrm libmfx opencl user32 vaapi videotoolbox corefoundation corevideo coremedia bcrypt"
3479 postproc_deps="avutil gpl"
3480 postproc_suggest="libm"
3481 swresample_deps="avutil"
3482 swresample_suggest="libm libsoxr"
3483 swscale_deps="avutil"
3484 swscale_suggest="libm"
3486 avcodec_extralibs="pthreads_extralibs iconv_extralibs"
3487 avfilter_extralibs="pthreads_extralibs"
3488 avutil_extralibs="d3d11va_extralibs nanosleep_extralibs pthreads_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs"
3491 ffmpeg_deps="avcodec avfilter avformat"
3492 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3495 ffmpeg_suggest="ole32 psapi shell32"
3496 ffplay_deps="avcodec avformat swscale swresample sdl2"
3497 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3498 ffplay_suggest="shell32"
3499 ffprobe_deps="avcodec avformat"
3500 ffprobe_suggest="shell32"
3503 podpages_deps="perl"
3504 manpages_deps="perl pod2man"
3505 htmlpages_deps="perl"
3506 htmlpages_deps_any="makeinfo_html texi2html"
3507 txtpages_deps="perl makeinfo"
3508 doc_deps_any="manpages htmlpages podpages txtpages"
3510 # default parameters
3512 logfile="ffbuild/config.log"
3514 # installation paths
3515 prefix_default="/usr/local"
3516 bindir_default='${prefix}/bin'
3517 datadir_default='${prefix}/share/ffmpeg'
3518 docdir_default='${prefix}/share/doc/ffmpeg'
3519 incdir_default='${prefix}/include'
3520 libdir_default='${prefix}/lib'
3521 mandir_default='${prefix}/share/man'
3527 host_cc_default="gcc"
3528 doxygen_default="doxygen"
3530 ln_s_default="ln -s -f"
3532 pkg_config_default=pkg-config
3533 ranlib_default="ranlib"
3534 strip_default="strip"
3535 version_script='--version-script'
3537 x86asmexe_default="nasm"
3538 windres_default="windres"
3540 nvccflags_default="-gencode arch=compute_30,code=sm_30 -O2"
3544 target_os_default=$(tolower $(uname -s))
3545 host_os=$target_os_default
3548 if test "$target_os_default" = aix; then
3549 arch_default=$(uname -p)
3550 strip_default="strip -X32_64"
3552 arch_default=$(uname -m)
3557 # configurable options
3558 enable $PROGRAM_LIST
3559 enable $DOCUMENT_LIST
3560 enable $EXAMPLE_LIST
3561 enable $(filter_out avresample $LIBRARY_LIST)
3567 enable faan faandct faanidct
3568 enable optimizations
3569 enable runtime_cpudetect
3570 enable safe_bitstream_reader
3572 enable swscale_alpha
3573 enable valgrind_backtrace
3575 sws_max_filter_size_default=256
3576 set_default sws_max_filter_size
3578 # internal components are enabled by default
3579 enable $EXTRALIBS_LIST
3581 # Avoid external, non-system, libraries getting enabled by dependency resolution
3582 disable $EXTERNAL_LIBRARY_LIST $HWACCEL_LIBRARY_LIST
3585 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3588 FULLNAME='$(NAME)$(BUILDSUF)'
3589 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3592 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3593 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3594 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3595 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3596 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3597 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3598 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
3625 host_extralibs='-lm'
3626 host_cflags_filter=echo
3627 host_ldflags_filter=echo
3629 target_path='$(CURDIR)'
3631 # since the object filename is not given with the -MM flag, the compiler
3632 # is only able to print the basename, and we must add the path ourselves
3633 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3639 if test -f configure; then
3642 source_path=$(cd $(dirname "$0"); pwd)
3643 case "$source_path" in
3644 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3646 test -e "$source_path/config.h" &&
3647 die "Out of tree builds are impossible with config.h in source dir."
3654 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3657 find_things_extern(){
3660 file=$source_path/$3
3662 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$out/p" "$file"
3665 find_filters_extern(){
3666 file=$source_path/$1
3667 #sed -n "s/^extern AVFilter ff_\([avfsinkrc]\{2,5\}\)_\(\w\+\);/\2_filter/p" $file
3668 sed -E -n "s/^extern AVFilter ff_([avfsinkrc]{2,5})_([a-zA-Z0-9_]+);/\2_filter/p" $file
3671 FILTER_LIST=$(find_filters_extern libavfilter/allfilters.c)
3672 OUTDEV_LIST=$(find_things_extern muxer AVOutputFormat libavdevice/alldevices.c outdev)
3673 INDEV_LIST=$(find_things_extern demuxer AVInputFormat libavdevice/alldevices.c indev)
3674 MUXER_LIST=$(find_things_extern muxer AVOutputFormat libavformat/allformats.c)
3675 DEMUXER_LIST=$(find_things_extern demuxer AVInputFormat libavformat/allformats.c)
3676 ENCODER_LIST=$(find_things_extern encoder AVCodec libavcodec/allcodecs.c)
3677 DECODER_LIST=$(find_things_extern decoder AVCodec libavcodec/allcodecs.c)
3682 PARSER_LIST=$(find_things_extern parser AVCodecParser libavcodec/parsers.c)
3683 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3684 HWACCEL_LIST=$(find_things_extern hwaccel AVHWAccel libavcodec/hwaccels.h)
3685 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3687 AVCODEC_COMPONENTS_LIST="
3695 AVDEVICE_COMPONENTS_LIST="
3700 AVFILTER_COMPONENTS_LIST="
3704 AVFORMAT_COMPONENTS_LIST="
3711 $AVCODEC_COMPONENTS_LIST
3712 $AVDEVICE_COMPONENTS_LIST
3713 $AVFILTER_COMPONENTS_LIST
3714 $AVFORMAT_COMPONENTS_LIST
3717 for n in $COMPONENT_LIST; do
3718 v=$(toupper ${n%s})_LIST
3720 eval ${n}_if_any="\$$v"
3723 enable $ARCH_EXT_LIST
3726 echo "Unknown option \"$1\"."
3727 echo "See $0 --help for available options."
3731 print_in_columns() {
3732 cols=$(expr $ncols / 24)
3733 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3739 echo $* | sed s/$suffix//g | print_in_columns
3751 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3752 echo "prob ${prob:-0.5}"
3760 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3761 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3770 --extra-ldexeflags=*)
3771 add_ldexeflags $optval
3773 --extra-ldsoflags=*)
3774 add_ldsoflags $optval
3776 --extra-ldlibflags=*)
3777 warn "The --extra-ldlibflags option is only provided for compatibility and will be\n"\
3778 "removed in the future. Use --extra-ldsoflags instead."
3779 add_ldsoflags $optval
3782 add_extralibs $optval
3785 disable $INDEV_LIST $OUTDEV_LIST
3788 debuglevel="$optval"
3791 disable $PROGRAM_LIST
3793 --disable-everything)
3794 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3797 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3798 disable $LIBRARY_LIST $PROGRAM_LIST doc
3801 --enable-random|--disable-random)
3802 action=${opt%%-random}
3803 do_random ${action#--} $COMPONENT_LIST
3805 --enable-random=*|--disable-random=*)
3806 action=${opt%%-random=*}
3807 do_random ${action#--} $optval
3812 --enable-*=*|--disable-*=*)
3813 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3814 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3815 eval list=\$$(toupper $thing)_LIST
3816 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3817 list=$(filter "$name" $list)
3818 [ "$list" = "" ] && warn "Option $opt did not match anything"
3821 --enable-yasm|--disable-yasm)
3822 warn "The ${opt} option is only provided for compatibility and will be\n"\
3823 "removed in the future. Use --enable-x86asm / --disable-x86asm instead."
3824 test $opt = --enable-yasm && x86asm=yes || x86asm=no
3827 warn "The --yasmexe option is only provided for compatibility and will be\n"\
3828 "removed in the future. Use --x86asmexe instead."
3831 --enable-?*|--disable-?*)
3832 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3833 if is_in $option $COMPONENT_LIST; then
3834 test $action = disable && action=unset
3835 eval $action \$$(toupper ${option%s})_LIST
3836 elif is_in $option $CMDLINE_SELECT; then
3843 NAME="${opt#--list-}"
3844 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3846 eval show_list $NAME \$$(toupper $NAME)_LIST
3848 --help|-h) show_help
3850 --quiet|-q) quiet=yes
3852 --fatal-warnings) enable fatal_warnings
3855 libfuzzer_path="$optval"
3858 optname="${opt%%=*}"
3859 optname="${optname#--}"
3860 optname=$(echo "$optname" | sed 's/-/_/g')
3861 if is_in $optname $CMDLINE_SET; then
3862 eval $optname='$optval'
3863 elif is_in $optname $CMDLINE_APPEND; then
3864 append $optname "$optval"
3876 if disabled autodetect; then
3878 # Unless iconv is explicitely disabled by the user, we still want to probe
3879 # for the iconv from the libc.
3880 disabled iconv || enable libc_iconv
3882 disable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3883 disable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3885 # Mark specifically enabled, but normally autodetected libraries as requested.
3886 for lib in $AUTODETECT_LIBS; do
3887 enabled $lib && request $lib
3889 #TODO: switch to $AUTODETECT_LIBS when $THREADS_LIST is supported the same way
3890 enable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3891 enable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3893 disabled logging && logfile=/dev/null
3895 # command line configuration sanity checks
3897 # we need to build at least one lib type
3898 if ! enabled_any static shared; then
3900 At least one library type must be built.
3901 Specify --enable-static to build the static libraries or --enable-shared to
3902 build the shared libraries as well. To only build the shared libraries specify
3903 --disable-static in addition to --enable-shared.
3908 die_license_disabled() {
3909 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
3912 die_license_disabled_gpl() {
3913 enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }
3916 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3917 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3919 enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST
3920 map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST
3922 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3924 if enabled nonfree; then
3925 license="nonfree and unredistributable"
3926 elif enabled gplv3; then
3927 license="GPL version 3 or later"
3928 elif enabled lgplv3; then
3929 license="LGPL version 3 or later"
3930 elif enabled gpl; then
3931 license="GPL version 2 or later"
3933 license="LGPL version 2.1 or later"
3936 enabled_all gnutls openssl &&
3937 die "GnuTLS and OpenSSL must not be enabled at the same time."
3939 enabled_all gnutls mbedtls &&
3940 die "GnuTLS and mbedTLS must not be enabled at the same time."
3942 enabled_all openssl mbedtls &&
3943 die "OpenSSL and mbedTLS must not be enabled at the same time."
3945 # Disable all the library-specific components if the library itself
3946 # is disabled, see AVCODEC_LIST and following _LIST variables.
3948 disable_components(){
3949 disabled ${1} && disable $(
3950 eval components="\$$(toupper ${1})_COMPONENTS"
3951 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3955 map 'disable_components $v' $LIBRARY_LIST
3957 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3960 test -n "$valgrind" && toolchain="valgrind-memcheck"
3962 enabled ossfuzz && ! echo $CFLAGS | grep -q -- "-fsanitize=" &&{
3963 add_cflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer
3964 add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp
3967 case "$toolchain" in
3969 cc_default="${toolchain%-asan}"
3970 add_cflags -fsanitize=address
3971 add_ldflags -fsanitize=address
3974 cc_default="${toolchain%-msan}"
3975 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
3976 add_ldflags -fsanitize=memory
3979 cc_default="${toolchain%-tsan}"
3980 add_cflags -fsanitize=thread
3981 add_ldflags -fsanitize=thread
3982 case "$toolchain" in
3990 cc_default="${toolchain%-usan}"
3991 add_cflags -fsanitize=undefined
3992 add_ldflags -fsanitize=undefined
3995 target_exec_default="valgrind"
3996 case "$toolchain" in
3998 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"
4001 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
4006 # Check whether the current MSVC version needs the C99 converter.
4007 # From MSVC 2013 (compiler major version 18) onwards, it does actually
4008 # support enough of C99 to build ffmpeg. Default to the new
4009 # behaviour if the regexp was unable to match anything, since this
4010 # successfully parses the version number of existing supported
4011 # versions that require the converter (MSVC 2010 and 2012).
4012 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
4013 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
4017 die "Unsupported MSVC version (2013 or newer required)"
4019 ld_default="$source_path/compat/windows/mslink"
4020 nm_default="dumpbin -symbols"
4024 as_default="armasm64"
4030 target_os_default="win32"
4031 # Use a relative path for TMPDIR. This makes sure all the
4032 # ffconf temp files are written with a relative path, avoiding
4033 # issues with msys/win32 path conversion for MSVC parameters
4034 # such as -Fo<file> or -out:<file>.
4040 nm_default="dumpbin -symbols"
4042 target_os_default="win32"
4046 add_cflags -fprofile-arcs -ftest-coverage
4047 add_ldflags -fprofile-arcs -ftest-coverage
4050 add_cflags -fprofile-arcs -ftest-coverage
4051 add_ldflags --coverage
4054 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
4055 add_cflags -fno-strict-overflow -fstack-protector-all
4056 add_ldflags -Wl,-z,relro -Wl,-z,now
4058 add_ldexeflags -fPIE -pie
4061 die "Unknown toolchain $toolchain"
4065 if test -n "$cross_prefix"; then
4066 test -n "$arch" && test -n "$target_os" ||
4067 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
4068 enable cross_compile
4071 ar_default="${cross_prefix}${ar_default}"
4072 cc_default="${cross_prefix}${cc_default}"
4073 cxx_default="${cross_prefix}${cxx_default}"
4074 nm_default="${cross_prefix}${nm_default}"
4075 pkg_config_default="${cross_prefix}${pkg_config_default}"
4076 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
4077 ranlib_default="${cross_prefix}${ranlib_default} -D"
4079 ranlib_default="${cross_prefix}${ranlib_default}"
4081 strip_default="${cross_prefix}${strip_default}"
4082 windres_default="${cross_prefix}${windres_default}"
4084 sysinclude_default="${sysroot}/usr/include"
4086 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
4087 target_exec target_os x86asmexe nvcc
4088 enabled cross_compile || host_cc_default=$cc
4091 pkg_config_fail_message=""
4092 if ! $pkg_config --version >/dev/null 2>&1; then
4093 warn "$pkg_config not found, library detection may fail."
4095 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
4096 pkg_config_fail_message="
4097 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
4100 if test $doxygen != $doxygen_default && \
4101 ! $doxygen --version >/dev/null 2>&1; then
4102 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
4107 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
4111 EXESUF=$(exesuf $target_os)
4112 HOSTEXESUF=$(exesuf $host_os)
4114 # set temporary file name
4115 : ${TMPDIR:=$TEMPDIR}
4119 if [ -n "$tempprefix" ] ; then
4121 tmpname="$tempprefix.${HOSTNAME}.${UID}"
4125 elif ! test_cmd mktemp -u XXXXXX; then
4126 # simple replacement for missing mktemp
4127 # NOT SAFE FOR GENERAL USE
4129 tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"
4135 FFTMPDIR=$(mktemp -d "${TMPDIR}/ffconf.XXXXXXXX" 2> /dev/null) ||
4136 die "Unable to create temporary directory in $TMPDIR."
4139 tmp="${FFTMPDIR}/test"$2
4140 (set -C; exec > $tmp) 2> /dev/null ||
4141 die "Unable to create temporary file in $FFTMPDIR."
4145 trap 'rm -rf -- "$FFTMPDIR"' EXIT
4151 tmpfile TMPE $EXESUF
4163 # make sure we can execute files in $TMPDIR
4164 cat > $TMPSH 2>> $logfile <<EOF
4167 chmod +x $TMPSH >> $logfile 2>&1
4168 if ! $TMPSH >> $logfile 2>&1; then
4170 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
4171 variable to another directory and make sure that it is not mounted noexec.
4173 die "Sanity test failed."
4179 # Filter out MSVC cl.exe options from cflags that shouldn't
4180 # be passed to gas-preprocessor
4190 -Wno-switch) echo -Wno-switch-enum ;;
4191 -Wno-format-zero-length) ;;
4192 -Wdisabled-optimization) ;;
4193 -Wno-pointer-sign) echo -Wno-other ;;
4199 msvc_common_flags(){
4202 # In addition to specifying certain flags under the compiler
4203 # specific filters, they must be specified here as well or else the
4204 # generic catch all at the bottom will print the original flag.
4209 -fomit-frame-pointer) ;;
4213 -fno-signed-zeros) ;;
4217 -lz) echo zlib.lib ;;
4218 -lx264) echo libx264.lib ;;
4220 -l*) echo ${flag#-l}.lib ;;
4221 -LARGEADDRESSAWARE) echo $flag ;;
4222 -L*) echo -libpath:${flag#-L} ;;
4229 msvc_common_flags "$@"
4232 -Wall) echo -W3 -wd4018 -wd4146 -wd4244 -wd4305 \
4234 -Wextra) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
4235 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4236 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
4238 -wd4273 -wd4554 -wd4701 -wd4703 ;;
4244 msvc_common_flags "$@"
4247 # Despite what Intel's documentation says -Wall, which is supported
4248 # on Windows, does enable remarks so disable them here.
4249 -Wall) echo $flag -Qdiag-disable:remark ;;
4250 -std=c99) echo -Qstd=c99 ;;
4269 case "${flag#*=}" in
4270 native) echo -xtarget=native ;;
4271 v9|niagara) echo -xarch=sparc ;;
4272 ultrasparc) echo -xarch=sparcvis ;;
4273 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
4274 i586|pentium) echo -xchip=pentium ;;
4275 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
4276 pentium3*|c3-2) echo -xtarget=pentium3 ;;
4277 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
4278 pentium4*) echo -xtarget=pentium4 ;;
4279 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
4280 *-sse3) echo -xarch=sse3 ;;
4281 core2) echo -xarch=ssse3 -xchip=core2 ;;
4282 bonnell) echo -xarch=ssse3 ;;
4283 corei7|nehalem) echo -xtarget=nehalem ;;
4284 westmere) echo -xtarget=westmere ;;
4285 silvermont) echo -xarch=sse4_2 ;;
4286 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
4287 core-avx*|ivybridge|haswell|broadwell|skylake*|knl)
4289 amdfam10|barcelona) echo -xtarget=barcelona ;;
4290 btver1) echo -xarch=amdsse4a ;;
4291 btver2|bdver*|znver*) echo -xarch=avx ;;
4292 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
4293 k8|opteron|athlon64|athlon-fx)
4294 echo -xarch=sse2a ;;
4295 athlon*) echo -xarch=pentium_proa ;;
4298 -std=c99) echo -xc99 ;;
4299 -fomit-frame-pointer) echo -xregs=frameptr ;;
4300 -fPIC) echo -KPIC -xcode=pic32 ;;
4301 -W*,*) echo $flag ;;
4302 -f*-*|-W*|-mimpure-text) ;;
4314 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
4315 unset _ld_o _ldflags _ld_lib _ld_path
4316 unset _depflags _DEPCMD _DEPFLAGS
4319 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
4320 true # no-op to avoid reading stdin in following checks
4321 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
4323 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
4324 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
4325 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4328 elif $_cc -v 2>&1 | grep -qi ^gcc; then
4330 gcc_version=$($_cc --version | head -n1)
4331 gcc_basever=$($_cc -dumpversion)
4332 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
4333 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
4334 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
4335 case $gcc_basever in
4338 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
4340 if [ "$first" = true ]; then
4341 case $gcc_basever in
4343 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
4348 elif $_cc --version 2>/dev/null | grep -q ^icc; then
4350 _ident=$($_cc --version | head -n1)
4355 _flags_filter=icc_flags
4356 elif $_cc -v 2>&1 | grep -q xlc; then
4358 _ident=$($_cc -qversion 2>/dev/null | head -n1)
4360 _cflags_size='-O5 -qcompact'
4361 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
4362 test -d "$sysroot" || die "No valid sysroot specified."
4364 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
4365 armcc_conf="$PWD/armcc.conf"
4366 $_cc --arm_linux_configure \
4367 --arm_linux_config_file="$armcc_conf" \
4368 --configure_sysroot="$sysroot" \
4369 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
4370 die "Error creating armcc configuration file."
4371 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
4372 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
4373 as_default="${cross_prefix}gcc"
4377 elif $_cc -v 2>&1 | grep -q clang && ! $_cc -? > /dev/null 2>&1; then
4379 _ident=$($_cc --version 2>/dev/null | head -n1)
4380 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4383 elif $_cc -V 2>&1 | grep -q Sun; then
4385 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
4386 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
4387 _DEPFLAGS='-xM1 -xc99'
4390 _cflags_size='-O5 -xspace'
4391 _flags_filter=suncc_flags
4392 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
4394 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4395 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4398 _flags_filter='filter_out -Wdisabled-optimization'
4399 elif $_cc -v 2>&1 | grep -q Open64; then
4401 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4402 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4405 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
4406 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
4408 _ident=$($_cc | head -n1)
4409 # 4509: "This form of conditional instruction is deprecated"
4410 _flags="-nologo -ignore 4509"
4411 _flags_filter=armasm_flags
4412 elif $_cc 2>&1 | grep -q Intel; then
4414 _ident=$($_cc 2>&1 | head -n1)
4415 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
4416 # Not only is O3 broken on 13.x+ but it is slower on all previous
4417 # versions (tested) as well.
4419 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
4420 if $_cc 2>&1 | grep -q Linker; then
4427 _flags_filter=icl_flags
4429 _ld_path='-libpath:'
4430 # -Qdiag-error to make icl error when seeing certain unknown arguments
4431 _flags='-nologo -Qdiag-error:4044,10157'
4432 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
4433 # with MSVC which enables it by default.
4434 _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise'
4436 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
4437 # lld can emulate multiple different linkers; in ms link.exe mode,
4438 # the -? parameter gives the help output which contains an identifyable
4439 # string, while it gives an error in other modes.
4441 # The link.exe mode doesn't have a switch for getting the version,
4442 # but we can force it back to gnu mode and get the version from there.
4443 _ident=$($_cc -flavor gnu --version 2>/dev/null)
4445 _flags_filter=msvc_flags
4447 _ld_path='-libpath:'
4448 elif $_cc -nologo- 2>&1 | grep -q Microsoft || { $_cc -v 2>&1 | grep -q clang && $_cc -? > /dev/null 2>&1; }; then
4450 _ident=$($_cc 2>&1 | head -n1 | tr -d '\r')
4451 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
4452 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
4456 if $_cc -nologo- 2>&1 | grep -q Linker; then
4463 _flags_filter=msvc_flags
4465 _ld_path='-libpath:'
4468 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
4470 _ident=$($_cc --version | head -n1)
4474 _flags_filter=cparser_flags
4477 eval ${pfx}_type=\$_type
4478 eval ${pfx}_ident=\$_ident
4482 eval ${1}_C=\${_cc_c-\${${1}_C}}
4483 eval ${1}_E=\${_cc_e-\${${1}_E}}
4484 eval ${1}_O=\${_cc_o-\${${1}_O}}
4486 if [ -n "$_depflags" ]; then
4487 eval ${1}_DEPFLAGS=\$_depflags
4489 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
4490 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
4491 eval DEP${1}FLAGS=\$_flags
4495 probe_cc cc "$cc" "true"
4496 cflags_filter=$_flags_filter
4497 cflags_speed=$_cflags_speed
4498 cflags_size=$_cflags_size
4499 cflags_noopt=$_cflags_noopt
4500 add_cflags $_flags $_cflags
4501 cc_ldflags=$_ldflags
4505 probe_cc hostcc "$host_cc"
4506 host_cflags_filter=$_flags_filter
4507 host_cflags_speed=$_cflags_speed
4508 add_host_cflags $_flags $_cflags
4511 test -n "$cc_type" && enable $cc_type ||
4512 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
4514 : ${as_default:=$cc}
4515 : ${objcc_default:=$cc}
4516 : ${dep_cc_default:=$cc}
4517 : ${ld_default:=$cc}
4518 : ${host_ld_default:=$host_cc}
4519 set_default ar as objcc dep_cc ld ln_s host_ld windres
4522 asflags_filter=$_flags_filter
4523 add_asflags $_flags $_cflags
4526 probe_cc objcc "$objcc"
4527 objcflags_filter=$_flags_filter
4528 add_objcflags $_flags $_cflags
4532 ldflags_filter=$_flags_filter
4533 add_ldflags $_flags $_ldflags
4534 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
4536 LD_LIB=${_ld_lib-$LD_LIB}
4537 LD_PATH=${_ld_path-$LD_PATH}
4539 probe_cc hostld "$host_ld"
4540 host_ldflags_filter=$_flags_filter
4541 add_host_ldflags $_flags $_ldflags
4542 HOSTLD_O=${_ld_o-$HOSTLD_O}
4544 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
4545 probe_cc depcc "$dep_cc"
4546 CCDEP=${_DEPCMD:-$DEPCMD}
4547 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
4551 if $ar 2>&1 | grep -q Microsoft; then
4554 elif $ar 2>&1 | grep -q "\[D\] "; then
4562 add_cflags $extra_cflags
4563 add_cxxflags $extra_cxxflags
4564 add_objcflags $extra_objcflags
4565 add_asflags $extra_cflags
4567 if test -n "$sysroot"; then
4570 add_cppflags --sysroot="$sysroot"
4571 add_ldflags --sysroot="$sysroot"
4576 if test "$cpu" = host; then
4577 enabled cross_compile &&
4578 die "--cpu=host makes no sense when cross-compiling."
4583 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4585 s/.*$1=\\([^ ]*\\).*/\\1/
4590 cpu=$(check_native -march || check_native -mcpu)
4594 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4595 sed -n "/cc1.*-target-cpu /{
4596 s/.*-target-cpu \\([^ ]*\\).*/\\1/
4601 cpu=$(check_native -march)
4605 test "${cpu:-host}" = host &&
4606 die "--cpu=host not supported with compiler $cc"
4609 # Deal with common $arch aliases
4633 "Power Macintosh"|ppc*|powerpc*)
4648 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
4653 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
4656 # Add processor-specific flags
4657 if enabled aarch64; then
4661 cpuflags="-march=$cpu"
4664 cpuflags="-mcpu=$cpu"
4668 elif enabled alpha; then
4670 cpuflags="-mcpu=$cpu"
4672 elif enabled arm; then
4675 test_cpp_condition stddef.h \
4676 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4681 if check_arm_arch 4; then echo armv4
4682 elif check_arm_arch 4T; then echo armv4t
4683 elif check_arm_arch 5; then echo armv5
4684 elif check_arm_arch 5E; then echo armv5e
4685 elif check_arm_arch 5T; then echo armv5t
4686 elif check_arm_arch 5TE; then echo armv5te
4687 elif check_arm_arch 5TEJ; then echo armv5te
4688 elif check_arm_arch 6; then echo armv6
4689 elif check_arm_arch 6J; then echo armv6j
4690 elif check_arm_arch 6K; then echo armv6k
4691 elif check_arm_arch 6Z; then echo armv6z
4692 elif check_arm_arch 6KZ; then echo armv6zk
4693 elif check_arm_arch 6ZK; then echo armv6zk
4694 elif check_arm_arch 6T2; then echo armv6t2
4695 elif check_arm_arch 7; then echo armv7
4696 elif check_arm_arch 7A 7_A; then echo armv7-a
4697 elif check_arm_arch 7S; then echo armv7-a
4698 elif check_arm_arch 7R 7_R; then echo armv7-r
4699 elif check_arm_arch 7M 7_M; then echo armv7-m
4700 elif check_arm_arch 7EM 7E_M; then echo armv7-m
4701 elif check_arm_arch 8A 8_A; then echo armv8-a
4705 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4709 cpuflags="-march=$cpu"
4710 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4713 cpuflags="-mcpu=$cpu"
4715 cortex-a*) subarch=armv7a ;;
4716 cortex-r*) subarch=armv7r ;;
4717 cortex-m*) enable thumb; subarch=armv7m ;;
4718 arm11*) subarch=armv6 ;;
4719 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4720 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4721 *) subarch=$(probe_arm_arch) ;;
4727 armv5t*) enable fast_clz ;;
4730 disabled fast_unaligned || enable fast_unaligned
4734 elif enabled avr32; then
4739 cpuflags="-mpart=$cpu"
4743 cpuflags="-march=$cpu"
4747 cpuflags="-mcpu=$cpu"
4751 cpuflags="-march=$cpu"
4755 elif enabled bfin; then
4757 cpuflags="-mcpu=$cpu"
4759 elif enabled mips; then
4761 cpuflags="-march=$cpu"
4763 if [ "$cpu" != "generic" ]; then
4773 24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)
4784 enable local_aligned
4785 enable simd_align_16
4789 enable fast_unaligned
4790 disable aligned_stack
4796 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4799 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4802 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4807 # Unknown CPU. Disable everything.
4808 warn "unknown CPU. Disabling all MIPS optimizations."
4831 24kef*|34kf*|1004kf*)
4839 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"
4843 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4847 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4851 # We do not disable anything. Is up to the user to disable the unwanted features.
4852 warn 'generic cpu selected'
4855 elif enabled ppc; then
4859 case $(tolower $cpu) in
4860 601|ppc601|powerpc601)
4861 cpuflags="-mcpu=601"
4864 603*|ppc603*|powerpc603*)
4865 cpuflags="-mcpu=603"
4868 604*|ppc604*|powerpc604*)
4869 cpuflags="-mcpu=604"
4872 g3|75*|ppc75*|powerpc75*)
4873 cpuflags="-mcpu=750"
4876 g4|745*|ppc745*|powerpc745*)
4877 cpuflags="-mcpu=7450"
4880 74*|ppc74*|powerpc74*)
4881 cpuflags="-mcpu=7400"
4884 g5|970|ppc970|powerpc970)
4885 cpuflags="-mcpu=970"
4889 cpuflags="-mcpu=$cpu"
4893 cpuflags="-mcpu=$cpu"
4896 cpuflags="-mcpu=cell"
4901 cpuflags="-mcpu=e500mc"
4905 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4910 cpuflags="-mcpu=8540 -mhard-float"
4916 elif enabled sparc; then
4919 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4920 cpuflags="-mcpu=$cpu"
4922 ultrasparc*|niagara[234])
4923 cpuflags="-mcpu=$cpu"
4927 elif enabled x86; then
4931 cpuflags="-march=$cpu"
4935 # targets that do NOT support nopl and conditional mov (cmov)
4936 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4937 cpuflags="-march=$cpu"
4940 # targets that do support nopl and conditional mov (cmov)
4941 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4942 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\
4943 |amdfam10|barcelona|b[dt]ver*|znver*)
4944 cpuflags="-march=$cpu"
4948 # targets that do support conditional mov but on which it's slow
4949 pentium4|pentium4m|prescott|nocona)
4950 cpuflags="-march=$cpu"
4958 if [ "$cpu" != generic ]; then
4959 add_cflags $cpuflags
4960 add_asflags $cpuflags
4961 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4964 # compiler sanity check
4966 int main(void){ return 0; }
4968 if test "$?" != 0; then
4969 echo "$cc is unable to create an executable file."
4970 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4971 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4972 echo "Only do this if you know what cross compiling means."
4974 die "C compiler test failed."
4977 add_cppflags -D_ISOC99_SOURCE
4978 add_cxxflags -D__STDC_CONSTANT_MACROS
4979 check_cxxflags -std=c++11 || check_cxxflags -std=c++0x
4981 # some compilers silently accept -std=c11, so we also need to check that the
4982 # version macro is defined properly
4983 test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L" &&
4984 add_cflags -std=c11 ||
4985 check_cflags -std=c99
4987 check_cppflags -D_FILE_OFFSET_BITS=64
4988 check_cppflags -D_LARGEFILE_SOURCE
4990 add_host_cppflags -D_ISOC99_SOURCE
4991 check_host_cflags -std=c99
4992 check_host_cflags -Wall
4993 check_host_cflags $host_cflags_speed
4998 expr=${3:-'sizeof(void *) > 4'}
4999 test_code cc "" "int test[2*($expr) - 1]" &&
5000 subarch=$arch64 || subarch=$arch32
5006 enabled shared && enable_weak pic
5009 check_64bit mips mips64 '_MIPS_SIM > 1'
5010 enabled shared && enable_weak pic
5013 check_64bit parisc parisc64
5014 enabled shared && enable_weak pic
5017 check_64bit ppc ppc64
5018 enabled shared && enable_weak pic
5021 check_64bit s390 s390x
5022 enabled shared && enable_weak pic
5025 check_64bit sparc sparc64
5026 enabled shared && enable_weak pic
5029 check_64bit x86_32 x86_64
5030 # Treat x32 as x64 for now. Note it also needs pic if shared
5031 test "$subarch" = "x86_32" && test_cpp_condition stddef.h 'defined(__x86_64__)' &&
5032 subarch=x86_64 && enable x86_64 && disable x86_32
5033 if enabled x86_64; then
5034 enabled shared && enable_weak pic
5044 add_cppflags '-I\$(SRC_PATH)/compat/aix'
5045 enabled shared && add_ldflags -Wl,-brtl
5046 arflags='-Xany -r -c'
5051 enable section_data_rel_ro
5053 add_ldexeflags -fPIE -pie
5054 SLIB_INSTALL_NAME='$(SLIBNAME)'
5056 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
5059 prefix_default="/boot/common"
5060 network_extralibs="-lnetwork"
5064 SHFLAGS='-shared -Wl,-h,$$(@F)'
5065 enabled x86 && append SHFLAGS -mimpure-text
5066 network_extralibs="-lsocket -lnsl"
5067 add_cppflags -D__EXTENSIONS__
5068 # When using suncc to build, the Solaris linker will mark
5069 # an executable with each instruction set encountered by
5070 # the Solaris assembler. As our libraries contain their own
5071 # guards for processor-specific code, instead suppress
5072 # generation of the HWCAPS ELF section on Solaris x86 only.
5073 enabled_all suncc x86 &&
5074 echo "hwcap_1 = OVERRIDE;" > mapfile &&
5075 add_ldflags -Wl,-M,mapfile
5076 nm_default='nm -P -g'
5078 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
5082 oss_indev_extralibs="-lossaudio"
5083 oss_outdev_extralibs="-lossaudio"
5084 enabled gcc || check_ldflags -Wl,-zmuldefs
5090 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
5092 oss_indev_extralibs="-lossaudio"
5093 oss_outdev_extralibs="-lossaudio"
5101 add_extralibs -lpoll -lgnugetopt
5105 enabled ppc && add_asflags -force_cpusubtype_ALL
5106 install_name_dir_default='$(SHLIBDIR)'
5107 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
5108 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
5110 add_ldflags -Wl,-dynamic,-search_paths_first
5111 check_cflags -Werror=partial-availability
5113 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
5114 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
5115 enabled x86_64 && objformat="macho64" || objformat="macho32"
5116 enabled_any pic shared x86_64 ||
5117 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
5118 check_header dispatch/dispatch.h &&
5119 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
5120 if test -n "$sysroot"; then
5121 is_in -isysroot $cc $CPPFLAGS $CFLAGS || check_cppflags -isysroot $sysroot
5122 is_in -isysroot $ld $LDFLAGS || check_ldflags -isysroot $sysroot
5124 version_script='-exported_symbols_list'
5125 VERSION_SCRIPT_POSTPROCESS_CMD='tr " " "\n" | sed -n /global:/,/local:/p | grep ";" | tr ";" "\n" | sed -E "s/(.+)/_\1/g" | sed -E "s/(.+[^*])$$$$/\1*/"'
5128 die "Native MSYS builds are discouraged, please use the MINGW environment."
5133 if enabled x86_64; then
5134 LIBTARGET="i386:x86-64"
5135 elif enabled arm; then
5137 elif enabled aarch64; then
5140 if enabled shared; then
5141 # Cannot build both shared and static libs when using dllimport.
5144 enabled shared && ! enabled small && test_cmd $windres --version && enable gnu_windres
5145 enabled x86_32 && check_ldflags -Wl,--large-address-aware
5146 shlibdir_default="$bindir_default"
5149 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5150 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5151 if test_cmd lib.exe -list; then
5152 SLIB_EXTRA_CMD=-'lib.exe -nologo -machine:$(LIBTARGET) -def:$$(@:$(SLIBSUF)=.def) -out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
5153 if enabled x86_64; then
5157 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
5159 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5161 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
5162 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
5163 SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" AR="$(AR_CMD)" NM="$(NM_CMD)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
5164 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--disable-auto-image-base $$(@:$(SLIBSUF)=.def)'
5165 enabled x86_64 && objformat="win64" || objformat="win32"
5166 dlltool="${cross_prefix}dlltool"
5169 check_ldflags -Wl,--nxcompat,--dynamicbase
5170 # Lets work around some stupidity in binutils.
5171 # ld will strip relocations from executables even though we need them
5172 # for dynamicbase (ASLR). Using -pie does retain the reloc section
5173 # however ld then forgets what the entry point should be (oops) so we
5174 # have to manually (re)set it.
5175 if enabled x86_32; then
5176 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
5177 elif enabled x86_64; then
5178 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
5179 check_ldflags -Wl,--high-entropy-va # binutils 2.25
5180 # Set image base >4GB for extra entropy with HEASLR
5181 add_ldexeflags -Wl,--image-base,0x140000000
5182 append SHFLAGS -Wl,--image-base,0x180000000
5187 if enabled shared; then
5188 # Link to the import library instead of the normal static library
5191 # Cannot build both shared and static libs with MSVC or icl.
5194 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
5195 shlibdir_default="$bindir_default"
5198 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5199 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5200 SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
5201 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5203 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
5204 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
5205 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
5206 enabled x86_64 && objformat="win64" || objformat="win32"
5212 shlibdir_default="$bindir_default"
5215 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5216 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5217 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5219 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
5220 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
5221 enabled x86_64 && objformat="win64" || objformat="win32"
5223 enabled shared && ! enabled small && test_cmd $windres --version && enable gnu_windres
5224 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5226 *-dos|freedos|opendos)
5227 network_extralibs="-lsocket"
5230 add_cppflags -U__STRICT_ANSI__
5233 enable section_data_rel_ro
5234 enabled_any arm aarch64 && enable_weak linux_perf
5238 ranlib="echo ignoring ranlib"
5244 add_cppflags -D_GNU_SOURCE
5245 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap
5246 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
5250 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5251 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
5252 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \
5253 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \
5254 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \
5255 echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \
5256 emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def'
5257 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \
5258 emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;'
5259 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5261 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib'
5263 enable_weak os2threads
5266 add_cppflags -D_BSD_SOURCE
5271 add_cppflags -D_QNX_SOURCE
5272 network_extralibs="-lsocket"
5277 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
5278 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
5279 add_ldflags -Wl,--target1-abs,--no-undefined \
5280 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
5281 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
5282 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
5283 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
5284 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
5291 die "Unknown OS '$target_os'."
5295 # test if creating links works
5296 link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)
5297 link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)
5299 $ln_s "$link_dest" "$link_name"
5300 touch "$link_dest/test_file"
5301 if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then
5302 # create link to source path
5303 [ -e src ] && rm src
5304 $ln_s "$source_path" src
5307 # creating directory links doesn't work
5308 # fall back to using the full source path
5309 source_link="$source_path"
5315 # determine libc flavour
5320 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
5321 if test_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
5322 eval ${pfx}libc_type=uclibc
5323 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5324 elif test_${pfx}cpp_condition features.h "defined __GLIBC__"; then
5325 eval ${pfx}libc_type=glibc
5326 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5327 # MinGW headers can be installed on Cygwin, so check for newlib first.
5328 elif test_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
5329 eval ${pfx}libc_type=newlib
5330 add_${pfx}cppflags -U__STRICT_ANSI__ -D_XOPEN_SOURCE=600
5331 # MinGW64 is backwards compatible with MinGW32, so check for it first.
5332 elif test_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
5333 eval ${pfx}libc_type=mingw64
5334 if test_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
5335 add_compat msvcrt/snprintf.o
5336 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
5338 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5339 eval test \$${pfx_no_}cc_type = "gcc" &&
5340 add_${pfx}cppflags -D__printf__=__gnu_printf__
5341 test_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&
5342 add_${pfx}cppflags -D_WIN32_WINNT=0x0600
5343 elif test_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
5344 test_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
5345 eval ${pfx}libc_type=mingw32
5346 test_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
5347 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
5348 die "ERROR: MinGW32 runtime version must be >= 3.15."
5349 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5350 test_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700" &&
5351 add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700
5352 test_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&
5353 add_${pfx}cppflags -D_WIN32_WINNT=0x0600
5354 eval test \$${pfx_no_}cc_type = "gcc" &&
5355 add_${pfx}cppflags -D__printf__=__gnu_printf__
5356 elif test_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
5357 eval ${pfx}libc_type=msvcrt
5358 if test_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
5359 if [ "$pfx" = host_ ]; then
5360 add_host_cppflags -Dsnprintf=_snprintf
5362 add_compat strtod.o strtod=avpriv_strtod
5363 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
5364 _snprintf=avpriv_snprintf \
5365 vsnprintf=avpriv_vsnprintf
5368 add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS
5369 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
5370 # 0x601 by default unless something else is set by the user.
5371 # This can easily lead to us detecting functions only present
5372 # in such new versions and producing binaries requiring windows 7.0.
5373 # Therefore explicitly set the default to Vista unless the user has
5374 # set something else on the command line.
5375 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
5376 # family. For these cases, configure is free to use any functions
5377 # found in the SDK headers by default. (Alternatively, we could force
5378 # _WIN32_WINNT to 0x0602 in that case.)
5379 test_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
5380 { test_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0600; }
5381 #ifdef WINAPI_FAMILY
5382 #include <winapifamily.h>
5383 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
5388 if [ "$pfx" = "" ]; then
5389 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
5390 check_func strtoull || add_cflags -Dstrtoull=_strtoui64
5392 elif test_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
5393 eval ${pfx}libc_type=klibc
5394 elif test_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
5395 eval ${pfx}libc_type=bionic
5396 elif test_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
5397 eval ${pfx}libc_type=solaris
5398 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
5402 void *v = localtime_r;
5404 test "$?" != 0 && test_${pfx}cc -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 <<EOF && add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5406 void *v = localtime_r;
5409 eval test -n "\${${pfx}libc_type}" && enable ${pfx}libc_${libc_type}
5415 # hacks for compiler/libc/os combinations
5419 add_compat strtod.o strtod=avpriv_strtod
5423 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
5424 add_cppflags '-I\$(SRC_PATH)/compat/float'
5426 test_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
5429 : ${shlibdir_default:="$libdir"}
5430 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
5432 set_default $PATHS_LIST
5435 disabled optimizations || enabled ossfuzz || check_cflags -fomit-frame-pointer
5438 disabled pic && return
5441 case "$target_os" in
5442 mingw*|cygwin*|win*)
5451 enabled pic && enable_weak_pic
5453 test_cc <<EOF || die "Symbol mangling check failed."
5456 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
5457 extern_prefix=${sym%%ff_extern*}
5459 ! disabled inline_asm && check_inline_asm inline_asm '"" ::'
5461 for restrict_keyword in restrict __restrict__ __restrict ""; do
5462 test_code cc "" "char * $restrict_keyword p" && break
5465 check_cc pragma_deprecated "" '_Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")'
5467 # The global variable ensures the bits appear unchanged in the object file.
5468 test_cc <<EOF || die "endian test failed"
5469 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
5471 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
5473 check_cc const_nan math.h "struct { double d; } static const bar[] = { { NAN } }"
5475 if ! enabled ppc64 || enabled bigendian; then
5480 log "check_gas using '$as' as AS"
5481 # :vararg is used on aarch64, arm and ppc altivec
5483 .macro m n, y:vararg=0
5487 # .altmacro is only used in arm asm
5488 ! enabled arm || check_as gnu_as ".altmacro"
5491 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
5493 enabled_any arm aarch64 && nogas=die
5494 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
5498 arm*) gaspp_as_type=armasm; as_noop=-h ;;
5499 gcc) gaspp_as_type=gas ;;
5500 *) gaspp_as_type=$as_type ;;
5503 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
5505 test "${as#*gas-preprocessor.pl}" != "$as" ||
5506 test_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
5507 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
5509 if ! check_gas ; then
5512 $nogas "GNU assembler not found, install/update gas-preprocessor"
5515 check_as as_func ".func test
5519 check_inline_asm inline_asm_labels '"1:\n"'
5521 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
5523 if enabled aarch64; then
5524 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
5525 # internal assembler in clang 3.3 does not support this instruction
5526 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
5527 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
5529 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
5531 elif enabled alpha; then
5535 elif enabled arm; then
5537 enabled msvc && check_cpp_condition thumb stddef.h "defined _M_ARMT"
5538 test_cpp_condition stddef.h "defined __thumb__" && test_cc <<EOF && enable_weak thumb
5539 float func(float a, float b){ return a+b; }
5541 enabled thumb && check_cflags -mthumb || check_cflags -marm
5543 if check_cpp_condition vfp_args stddef.h "defined __ARM_PCS_VFP"; then
5545 elif check_cpp_condition vfp_args stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
5547 elif ! test_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
5548 case "${cross_prefix:-$cc}" in
5549 *hardfloat*) enable vfp_args; fpabi=vfp ;;
5550 *) check_ld "cc" vfp_args <<EOF && fpabi=vfp || fpabi=soft ;;
5551 __asm__ (".eabi_attribute 28, 1");
5552 int main(void) { return 0; }
5555 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
5558 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
5559 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
5560 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
5561 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
5562 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
5563 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
5564 enabled setend && check_insn setend 'setend be'
5566 [ $target_os = linux ] || [ $target_os = android ] ||
5567 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
5570 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
5572 check_as as_arch_directive ".arch armv7-a"
5573 check_as as_dn_directive "ra .dn d0.i16"
5574 check_as as_fpu_directive ".fpu neon"
5576 # llvm's integrated assembler supports .object_arch from llvm 3.5
5577 [ "$objformat" = elf32 ] || [ "$objformat" = elf64 ] &&
5578 check_as as_object_arch ".object_arch armv4"
5580 # MS armasm fails to assemble our PIC constructs
5581 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
5583 elif enabled mips; then
5585 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
5586 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
5587 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
5589 # Enable minimum ISA based on selected options
5590 if enabled mips64; then
5591 enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'
5592 enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'
5593 disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'
5595 enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'
5596 enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'
5597 enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'
5598 disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'
5601 enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'
5602 enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'
5603 enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_header msa.h || disable msa
5604 enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'
5605 enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'
5607 if enabled bigendian && enabled msa; then
5611 elif enabled parisc; then
5613 if enabled gcc; then
5614 case $($cc -dumpversion) in
5615 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
5619 elif enabled ppc; then
5621 enable local_aligned
5623 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
5624 check_inline_asm ibm_asm '"add 0, 0, 0"'
5625 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
5626 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
5628 if enabled altivec; then
5629 check_cflags -maltivec -mabi=altivec
5631 # check if our compiler supports Motorola AltiVec C API
5632 check_cc altivec altivec.h "vector signed int v1 = (vector signed int) { 0 };
5633 vector signed int v2 = (vector signed int) { 1 };
5634 v1 = vec_add(v1, v2);"
5636 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
5639 if enabled vsx; then
5640 check_cflags -mvsx &&
5641 check_cc vsx altivec.h "int v[4] = { 0 };
5642 vector signed int v1 = vec_vsx_ld(0, v);"
5645 if enabled power8; then
5646 check_cpp_condition power8 "altivec.h" "defined(_ARCH_PWR8)"
5649 elif enabled x86; then
5651 check_builtin rdtsc intrin.h "__rdtsc()"
5652 check_builtin mm_empty mmintrin.h "_mm_empty()"
5654 enable local_aligned
5656 # check whether EBP is available on x86
5657 # As 'i' is stored on the stack, this program will crash
5658 # if the base pointer is used to access it because the
5659 # base pointer is cleared in the inline assembly code.
5660 check_exec_crash <<EOF && enable ebp_available
5662 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
5666 # check whether EBX is available on x86
5667 check_inline_asm ebx_available '""::"b"(0)' &&
5668 check_inline_asm ebx_available '"":::"%ebx"'
5670 # check whether xmm clobbers are supported
5671 check_inline_asm xmm_clobbers '"":::"%xmm0"'
5673 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
5674 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
5676 # check whether binutils is new enough to compile SSSE3/MMXEXT
5677 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
5678 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
5682 if test_cmd $x86asmexe_probe -v; then
5683 x86asmexe=$x86asmexe_probe
5685 x86asm_debug="-g -F dwarf"
5687 X86ASM_DEPFLAGS='-MD $(@:.o=.d)'
5688 elif test_cmd $x86asmexe_probe --version; then
5689 x86asmexe=$x86asmexe_probe
5691 x86asm_debug="-g dwarf2"
5692 X86ASMDEP='$(DEPX86ASM) $(X86ASMFLAGS) -M $(X86ASM_O) $< > $(@:.o=.d)'
5695 check_x86asm x86asm "movbe ecx, [5]"
5698 if ! disabled_any asm mmx x86asm; then
5700 for program in $x86asmexe nasm yasm; do
5701 probe_x86asm $program && break
5703 disabled x86asm && die "nasm/yasm not found or too old. Use --disable-x86asm for a crippled build."
5704 X86ASMFLAGS="-f $objformat"
5705 enabled pic && append X86ASMFLAGS "-DPIC"
5706 test -n "$extern_prefix" && append X86ASMFLAGS "-DPREFIX"
5707 case "$objformat" in
5708 elf*) enabled debug && append X86ASMFLAGS $x86asm_debug ;;
5711 check_x86asm avx512_external "vmovdqa32 [eax]{k1}{z}, zmm0"
5712 check_x86asm avx2_external "vextracti128 xmm0, ymm0, 0"
5713 check_x86asm xop_external "vpmacsdd xmm0, xmm1, xmm2, xmm3"
5714 check_x86asm fma4_external "vfmaddps ymm0, ymm1, ymm2, ymm3"
5715 check_x86asm cpunop "CPU amdnop"
5719 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
5726 check_cc intrinsics_neon arm_neon.h "int16x8_t test = vdupq_n_s16(0)"
5728 check_ldflags -Wl,--as-needed
5729 check_ldflags -Wl,-z,noexecstack
5731 if ! disabled network; then
5732 check_func getaddrinfo $network_extralibs
5733 check_func inet_aton $network_extralibs
5735 check_type netdb.h "struct addrinfo"
5736 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
5737 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
5738 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
5739 check_type poll.h "struct pollfd"
5740 check_type netinet/sctp.h "struct sctp_event_subscribe"
5741 check_struct "sys/socket.h" "struct msghdr" msg_flags
5742 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5743 check_type netinet/in.h "struct sockaddr_in6"
5744 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
5745 check_type "sys/types.h sys/socket.h" socklen_t
5747 # Prefer arpa/inet.h over winsock2
5748 if check_header arpa/inet.h ; then
5749 check_func closesocket
5750 elif check_header winsock2.h ; then
5751 check_func_headers winsock2.h closesocket -lws2 &&
5752 network_extralibs="-lws2" ||
5753 { check_func_headers winsock2.h closesocket -lws2_32 &&
5754 network_extralibs="-lws2_32"; } || disable winsock2_h network
5755 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
5757 check_type ws2tcpip.h socklen_t
5758 check_type ws2tcpip.h "struct addrinfo"
5759 check_type ws2tcpip.h "struct group_source_req"
5760 check_type ws2tcpip.h "struct ip_mreq_source"
5761 check_type ws2tcpip.h "struct ipv6_mreq"
5762 check_type winsock2.h "struct pollfd"
5763 check_struct winsock2.h "struct sockaddr" sa_len
5764 check_type ws2tcpip.h "struct sockaddr_in6"
5765 check_type ws2tcpip.h "struct sockaddr_storage"
5771 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
5772 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
5773 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
5774 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
5775 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
5776 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
5777 check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR"
5779 case "$custom_allocator" in
5781 # jemalloc by default does not use a prefix
5782 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
5785 require_pkg_config libtcmalloc libtcmalloc gperftools/tcmalloc.h tc_malloc
5790 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
5791 check_func ${malloc_prefix}memalign && enable memalign
5792 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5795 check_func_headers stdlib.h arc4random
5796 check_lib clock_gettime time.h clock_gettime || check_lib clock_gettime time.h clock_gettime -lrt
5799 check_func gethrtime
5801 check_func getrusage
5802 check_func gettimeofday
5807 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5808 check_func_headers time.h nanosleep || check_lib nanosleep time.h nanosleep -lrt
5809 check_func sched_getaffinity
5810 check_func setrlimit
5811 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5812 check_func strerror_r
5817 check_func_headers conio.h kbhit
5818 check_func_headers io.h setmode
5819 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5820 check_func_headers mach/mach_time.h mach_absolute_time
5821 check_func_headers stdlib.h getenv
5822 check_func_headers sys/stat.h lstat
5824 check_func_headers windows.h GetProcessAffinityMask
5825 check_func_headers windows.h GetProcessTimes
5826 check_func_headers windows.h GetSystemTimeAsFileTime
5827 check_func_headers windows.h LoadLibrary
5828 check_func_headers windows.h MapViewOfFile
5829 check_func_headers windows.h PeekNamedPipe
5830 check_func_headers windows.h SetConsoleTextAttribute
5831 check_func_headers windows.h SetConsoleCtrlHandler
5832 check_func_headers windows.h Sleep
5833 check_func_headers windows.h VirtualAlloc
5834 check_func_headers glob.h glob
5836 check_lib xlib "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5838 check_header direct.h
5839 check_header dirent.h
5840 check_header dxgidebug.h
5842 check_header dxva2api.h -D_WIN32_WINNT=0x0600
5844 check_header linux/perf_event.h
5845 check_header libcrystalhd/libcrystalhd_if.h
5846 check_header malloc.h
5847 check_header net/udplite.h
5849 check_header sys/param.h
5850 check_header sys/resource.h
5851 check_header sys/select.h
5852 check_header sys/time.h
5853 check_header sys/un.h
5854 check_header termios.h
5855 check_header unistd.h
5856 check_header valgrind/valgrind.h
5857 check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox
5858 check_header windows.h
5859 check_header X11/extensions/XvMClib.h
5860 check_header asm/types.h
5862 # it seems there are versions of clang in some distros that try to use the
5863 # gcc headers, which explodes for stdatomic
5864 # so we also check that atomics actually work here
5865 check_builtin stdatomic stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0); foo += bar"
5867 check_lib advapi32 "windows.h" RegCloseKey -ladvapi32
5868 check_lib bcrypt "windows.h bcrypt.h" BCryptGenRandom -lbcrypt &&
5869 check_cpp_condition bcrypt bcrypt.h "defined BCRYPT_RNG_ALGORITHM"
5870 check_lib ole32 "windows.h" CoTaskMemFree -lole32
5871 check_lib shell32 "windows.h shellapi.h" CommandLineToArgvW -lshell32
5872 check_lib psapi "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5874 check_lib android android/native_window.h ANativeWindow_acquire -landroid
5875 check_lib mediandk "stdint.h media/NdkImage.h" AImage_delete -lmediandk
5876 check_lib camera2ndk "stdbool.h stdint.h camera/NdkCameraManager.h" ACameraManager_create -lcamera2ndk
5878 enabled appkit && check_apple_framework AppKit
5879 enabled audiotoolbox && check_apple_framework AudioToolbox
5880 enabled avfoundation && check_apple_framework AVFoundation
5881 enabled coreimage && check_apple_framework CoreImage
5882 enabled videotoolbox && check_apple_framework VideoToolbox
5884 check_apple_framework CoreFoundation
5885 check_apple_framework CoreMedia
5886 check_apple_framework CoreVideo
5888 enabled avfoundation && {
5889 disable coregraphics applicationservices
5890 check_lib coregraphics CoreGraphics/CoreGraphics.h CGGetActiveDisplayList "-framework CoreGraphics" ||
5891 check_lib applicationservices ApplicationServices/ApplicationServices.h CGGetActiveDisplayList "-framework ApplicationServices"; }
5893 enabled videotoolbox && {
5894 check_lib coreservices CoreServices/CoreServices.h UTGetOSTypeFromString "-framework CoreServices"
5895 check_func_headers CoreMedia/CMFormatDescription.h kCMVideoCodecType_HEVC "-framework CoreMedia"
5898 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
5900 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5901 check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5902 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
5903 check_type "windows.h d3d11.h" "ID3D11VideoContext"
5904 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
5906 check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC"
5907 check_type "va/va.h va/va_dec_vp8.h" "VAPictureParameterBufferVP8"
5908 check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth
5909 check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"
5910 check_type "va/va.h va/va_enc_h264.h" "VAEncPictureParameterBufferH264"
5911 check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"
5912 check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"
5913 check_type "va/va.h va/va_enc_mpeg2.h" "VAEncPictureParameterBufferMPEG2"
5914 check_type "va/va.h va/va_enc_vp8.h" "VAEncPictureParameterBufferVP8"
5915 check_type "va/va.h va/va_enc_vp9.h" "VAEncPictureParameterBufferVP9"
5917 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
5919 if ! disabled ffnvcodec; then
5920 check_pkg_config ffnvcodec "ffnvcodec >= 8.1.24.2" \
5921 "ffnvcodec/nvEncodeAPI.h ffnvcodec/dynlink_cuda.h ffnvcodec/dynlink_cuviddec.h ffnvcodec/dynlink_nvcuvid.h" "" || \
5922 check_pkg_config ffnvcodec "ffnvcodec >= 8.0.14.2 ffnvcodec < 8.1" \
5923 "ffnvcodec/nvEncodeAPI.h ffnvcodec/dynlink_cuda.h ffnvcodec/dynlink_cuviddec.h ffnvcodec/dynlink_nvcuvid.h" ""
5926 check_cpp_condition winrt windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)"
5928 if ! disabled w32threads && ! enabled pthreads; then
5929 check_func_headers "windows.h process.h" _beginthreadex &&
5930 check_type "windows.h" CONDITION_VARIABLE &&
5931 check_type "windows.h" INIT_ONCE &&
5932 enable w32threads || disable w32threads
5933 if ! enabled w32threads && enabled winrt; then
5934 check_func_headers "windows.h" CreateThread &&
5935 enable w32threads || disable w32threads
5939 # check for some common methods of building with pthread support
5940 # do this before the optional library checks as some of them require pthreads
5941 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
5942 if check_lib pthreads pthread.h pthread_join -pthread &&
5943 check_lib pthreads pthread.h pthread_create -pthread; then
5945 elif check_lib pthreads pthread.h pthread_join -pthreads &&
5946 check_lib pthreads pthread.h pthread_create -pthreads; then
5947 add_cflags -pthreads
5948 elif check_lib pthreads pthread.h pthread_join -ldl -pthread &&
5949 check_lib pthreads pthread.h pthread_create -ldl -pthread; then
5950 add_cflags -ldl -pthread
5951 elif check_lib pthreads pthread.h pthread_join -lpthreadGC2 &&
5952 check_lib pthreads pthread.h pthread_create -lpthreadGC2; then
5954 elif check_lib pthreads pthread.h pthread_join -lpthread &&
5955 check_lib pthreads pthread.h pthread_create -lpthread; then
5957 elif check_func pthread_join && check_func pthread_create; then
5960 check_cc pthreads "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER"
5962 if enabled pthreads; then
5963 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" $pthreads_extralibs
5964 check_func pthread_cancel $pthreads_extralibs
5968 enabled zlib && { check_pkg_config zlib zlib "zlib.h" zlibVersion ||
5969 check_lib zlib zlib.h zlibVersion -lz; }
5970 enabled bzlib && check_lib bzlib bzlib.h BZ2_bzlibVersion -lbz2
5971 enabled lzma && check_lib lzma lzma.h lzma_version_number -llzma
5973 # On some systems dynamic loading requires no extra linker flags
5974 check_lib libdl dlfcn.h "dlopen dlsym" || check_lib libdl dlfcn.h "dlopen dlsym" -ldl
5976 check_lib libm math.h sin -lm
5984 for func in $MATH_FUNCS; do
5985 eval check_mathfunc $func \${${func}_args:-1} $libm_extralibs
5988 for func in $COMPLEX_FUNCS; do
5989 eval check_complexfunc $func \${${func}_args:-1}
5992 # these are off by default, so fail if requested and not available
5993 enabled cuda_sdk && require cuda_sdk cuda.h cuCtxCreate -lcuda
5994 enabled chromaprint && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
5995 enabled decklink && { require_header DeckLinkAPI.h &&
5996 { test_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a060100" || die "ERROR: Decklink API version must be >= 10.6.1."; } }
5997 enabled libndi_newtek && require_header Processing.NDI.Lib.h
5998 enabled frei0r && require_header frei0r.h
5999 enabled gmp && require gmp gmp.h mpz_export -lgmp
6000 enabled gnutls && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init
6001 enabled jni && { [ $target_os = "android" ] && check_header jni.h && enabled pthreads || die "ERROR: jni not found"; }
6002 enabled ladspa && require_header ladspa.h
6003 enabled libaom && require_pkg_config libaom "aom >= 1.0.0" aom/aom_codec.h aom_codec_version
6004 enabled lv2 && require_pkg_config lv2 lilv-0 "lilv/lilv.h" lilv_world_new
6005 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
6006 enabled libass && require_pkg_config libass libass ass/ass.h ass_library_init
6007 enabled libbluray && require_pkg_config libbluray libbluray libbluray/bluray.h bd_open
6008 enabled libbs2b && require_pkg_config libbs2b libbs2b bs2b.h bs2b_open
6009 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
6010 { check_lib libcelt celt/celt.h celt_decoder_create_custom -lcelt0 ||
6011 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
6012 enabled libcaca && require_pkg_config libcaca caca caca.h caca_create_canvas
6013 enabled libcodec2 && require libcodec2 codec2/codec2.h codec2_create -lcodec2
6014 enabled libdc1394 && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new
6015 enabled libdrm && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion
6016 enabled libfdk_aac && { check_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
6017 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
6018 warn "using libfdk without pkg-config"; } }
6019 flite_extralibs="-lflite_cmu_time_awb -lflite_cmu_us_awb -lflite_cmu_us_kal -lflite_cmu_us_kal16 -lflite_cmu_us_rms -lflite_cmu_us_slt -lflite_usenglish -lflite_cmulex -lflite"
6020 enabled libflite && require libflite "flite/flite.h" flite_init $flite_extralibs
6021 enabled fontconfig && enable libfontconfig
6022 enabled libfontconfig && require_pkg_config libfontconfig fontconfig "fontconfig/fontconfig.h" FcInit
6023 enabled libfreetype && require_pkg_config libfreetype freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType
6024 enabled libfribidi && require_pkg_config libfribidi fribidi fribidi.h fribidi_version_info
6025 enabled libgme && { check_pkg_config libgme libgme gme/gme.h gme_new_emu ||
6026 require libgme gme/gme.h gme_new_emu -lgme -lstdc++; }
6027 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
6028 check_lib libgsm "${gsm_hdr}" gsm_create -lgsm && break;
6029 done || die "ERROR: libgsm not found"; }
6030 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc $pthreads_extralibs
6031 enabled libkvazaar && require_pkg_config libkvazaar "kvazaar >= 0.8.1" kvazaar.h kvz_api_get
6032 enabled liblensfun && require_pkg_config liblensfun lensfun lensfun.h lf_db_new
6033 # While it may appear that require is being used as a pkg-config
6034 # fallback for libmfx, it is actually being used to detect a different
6035 # installation route altogether. If libmfx is installed via the Intel
6036 # Media SDK or Intel Media Server Studio, these don't come with
6037 # pkg-config support. Instead, users should make sure that the build
6038 # can find the libraries and headers through other means.
6039 enabled libmfx && { check_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit ||
6040 { require libmfx "mfx/mfxvideo.h" MFXInit "-llibmfx $advapi32_extralibs" && warn "using libmfx without pkg-config"; } }
6041 enabled libmodplug && require_pkg_config libmodplug libmodplug libmodplug/modplug.h ModPlug_Load
6042 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame $libm_extralibs
6043 enabled libmysofa && { check_pkg_config libmysofa libmysofa mysofa.h mysofa_load ||
6044 require libmysofa mysofa.h mysofa_load -lmysofa $zlib_extralibs; }
6045 enabled libnpp && { check_lib libnpp npp.h nppGetLibVersion -lnppig -lnppicc -lnppc ||
6046 check_lib libnpp npp.h nppGetLibVersion -lnppi -lnppc ||
6047 die "ERROR: libnpp not found"; }
6048 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
6049 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
6050 enabled libopencv && { check_header opencv2/core/core_c.h &&
6051 { check_pkg_config libopencv opencv opencv2/core/core_c.h cvCreateImageHeader ||
6052 require libopencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||
6053 require_pkg_config libopencv opencv opencv/cxcore.h cvCreateImageHeader; }
6054 enabled libopenh264 && require_pkg_config libopenh264 openh264 wels/codec_api.h WelsGetCodecVersion
6055 enabled libopenjpeg && { check_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version ||
6056 { require_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } }
6057 enabled libopenmpt && require_pkg_config libopenmpt "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create -lstdc++ && append libopenmpt_extralibs "-lstdc++"
6058 enabled libopus && {
6059 enabled libopus_decoder && {
6060 require_pkg_config libopus opus opus_multistream.h opus_multistream_decoder_create
6062 enabled libopus_encoder && {
6063 require_pkg_config libopus opus opus_multistream.h opus_multistream_surround_encoder_create
6066 enabled libpulse && require_pkg_config libpulse libpulse pulse/pulseaudio.h pa_context_new
6067 enabled librsvg && require_pkg_config librsvg librsvg-2.0 librsvg-2.0/librsvg/rsvg.h rsvg_handle_render_cairo
6068 enabled librtmp && require_pkg_config librtmp librtmp librtmp/rtmp.h RTMP_Socket
6069 enabled librubberband && require_pkg_config librubberband "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new -lstdc++ && append librubberband_extralibs "-lstdc++"
6070 enabled libshine && require_pkg_config libshine shine shine/layer3.h shine_encode_buffer
6071 enabled libsmbclient && { check_pkg_config libsmbclient smbclient libsmbclient.h smbc_init ||
6072 require libsmbclient libsmbclient.h smbc_init -lsmbclient; }
6073 enabled libsnappy && require libsnappy snappy-c.h snappy_compress -lsnappy -lstdc++
6074 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
6075 enabled libssh && require_pkg_config libssh libssh libssh/sftp.h sftp_init
6076 enabled libspeex && require_pkg_config libspeex speex speex/speex.h speex_decoder_init
6077 enabled libsrt && require_pkg_config libsrt "srt >= 1.2.0" srt/srt.h srt_socket
6078 enabled libtensorflow && require libtensorflow tensorflow/c/c_api.h TF_Version -ltensorflow
6079 enabled libtesseract && require_pkg_config libtesseract tesseract tesseract/capi.h TessBaseAPICreate
6080 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
6081 enabled libtls && require_pkg_config libtls libtls tls.h tls_configure
6082 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
6083 { check_lib libtwolame twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
6084 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
6085 enabled libv4l2 && require_pkg_config libv4l2 libv4l2 libv4l2.h v4l2_ioctl
6086 enabled libvidstab && require_pkg_config libvidstab "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
6087 enabled libvmaf && require_pkg_config libvmaf "libvmaf >= 0.6.2" libvmaf.h compute_vmaf
6088 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
6089 enabled libvorbis && require_pkg_config libvorbis vorbis vorbis/codec.h vorbis_info_init &&
6090 require_pkg_config libvorbisenc vorbisenc vorbis/vorbisenc.h vorbis_encode_init
6093 enabled libvpx_vp8_decoder && {
6094 check_pkg_config libvpx_vp8_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
6095 check_lib libvpx_vp8_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||
6096 die "ERROR: libvpx decoder version must be >=1.4.0";
6098 enabled libvpx_vp8_encoder && {
6099 check_pkg_config libvpx_vp8_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
6100 check_lib libvpx_vp8_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||
6101 die "ERROR: libvpx encoder version must be >=1.4.0";
6103 enabled libvpx_vp9_decoder && {
6104 check_pkg_config libvpx_vp9_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
6105 check_lib libvpx_vp9_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs"
6107 enabled libvpx_vp9_encoder && {
6108 check_pkg_config libvpx_vp9_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
6109 check_lib libvpx_vp9_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs"
6111 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
6112 die "libvpx enabled but no supported decoders found"
6116 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
6117 enabled libwebp && {
6118 enabled libwebp_encoder && require_pkg_config libwebp "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
6119 enabled libwebp_anim_encoder && check_pkg_config libwebp_anim_encoder "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit; }
6120 enabled libx264 && { check_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode ||
6121 { require libx264 "stdint.h x264.h" x264_encoder_encode "-lx264 $pthreads_extralibs $libm_extralibs" &&
6122 warn "using libx264 without pkg-config"; } } &&
6123 require_cpp_condition x264.h "X264_BUILD >= 118" &&
6124 check_cpp_condition libx262 x264.h "X264_MPEG2"
6125 enabled libx265 && require_pkg_config libx265 x265 x265.h x265_api_get &&
6126 require_cpp_condition x265.h "X265_BUILD >= 68"
6127 enabled libxavs && require libxavs "stdint.h xavs.h" xavs_encoder_encode "-lxavs $pthreads_extralibs $libm_extralibs"
6128 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
6129 enabled libzimg && require_pkg_config libzimg "zimg >= 2.7.0" zimg.h zimg_get_api_version
6130 enabled libzmq && require_pkg_config libzmq libzmq zmq.h zmq_ctx_new
6131 enabled libzvbi && require_pkg_config libzvbi zvbi-0.2 libzvbi.h vbi_decoder_new &&
6132 { test_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||
6133 enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }
6134 enabled libxml2 && require_pkg_config libxml2 libxml-2.0 libxml2/libxml/xmlversion.h xmlCheckVersion
6135 enabled mbedtls && { check_pkg_config mbedtls mbedtls mbedtls/x509_crt.h mbedtls_x509_crt_init ||
6136 check_pkg_config mbedtls mbedtls mbedtls/ssl.h mbedtls_ssl_init ||
6137 check_lib mbedtls mbedtls/ssl.h mbedtls_ssl_init -lmbedtls -lmbedx509 -lmbedcrypto ||
6138 die "ERROR: mbedTLS not found"; }
6139 enabled mediacodec && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }
6140 enabled mmal && { check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
6141 { ! enabled cross_compile &&
6142 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline &&
6143 add_ldflags -L/opt/vc/lib/ &&
6144 check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host; } ||
6145 die "ERROR: mmal not found" &&
6146 check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"; }
6147 enabled openal && { { for al_extralibs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
6148 check_lib openal 'AL/al.h' alGetError "${al_extralibs}" && break; done } ||
6149 die "ERROR: openal not found"; } &&
6150 { test_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
6151 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
6152 enabled opencl && { check_pkg_config opencl OpenCL CL/cl.h clEnqueueNDRangeKernel ||
6153 check_lib opencl OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
6154 check_lib opencl CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
6155 die "ERROR: opencl not found"; } &&
6156 { test_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
6157 test_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
6158 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
6159 enabled opengl && { check_lib opengl GL/glx.h glXGetProcAddress "-lGL" ||
6160 check_lib opengl windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
6161 check_lib opengl OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
6162 check_lib opengl ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
6163 die "ERROR: opengl not found."
6165 enabled omx && require_header OMX_Core.h
6166 enabled omx_rpi && { check_header OMX_Core.h ||
6167 { ! enabled cross_compile && add_cflags -isystem/opt/vc/include/IL && check_header OMX_Core.h ; } ||
6168 die "ERROR: OpenMAX IL headers not found"; } && enable omx
6169 enabled openssl && { check_pkg_config openssl openssl openssl/ssl.h OPENSSL_init_ssl ||
6170 check_pkg_config openssl openssl openssl/ssl.h SSL_library_init ||
6171 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto ||
6172 check_lib openssl openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
6173 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
6174 die "ERROR: openssl not found"; }
6175 enabled rkmpp && { require_pkg_config rkmpp rockchip_mpp rockchip/rk_mpi.h mpp_create &&
6176 require_pkg_config rockchip_mpp "rockchip_mpp >= 1.3.7" rockchip/rk_mpi.h mpp_create &&
6178 die "ERROR: rkmpp requires --enable-libdrm"; }
6180 enabled vapoursynth && require_pkg_config vapoursynth "vapoursynth-script >= 42" VSScript.h vsscript_init
6183 if enabled gcrypt; then
6184 GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"
6185 if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then
6186 gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)
6187 gcrypt_extralibs=$("${GCRYPT_CONFIG}" --libs)
6188 check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_extralibs ||
6189 die "ERROR: gcrypt not found"
6190 add_cflags $gcrypt_cflags
6192 require gcrypt gcrypt.h gcry_mpi_new -lgcrypt
6196 if enabled sdl2; then
6197 SDL2_CONFIG="${cross_prefix}sdl2-config"
6198 test_pkg_config sdl2 "sdl2 >= 2.0.1 sdl2 < 2.1.0" SDL_events.h SDL_PollEvent
6199 if disabled sdl2 && "${SDL2_CONFIG}" --version > /dev/null 2>&1; then
6200 sdl2_cflags=$("${SDL2_CONFIG}" --cflags)
6201 sdl2_extralibs=$("${SDL2_CONFIG}" --libs)
6202 test_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&
6203 test_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&
6204 check_func_headers SDL_events.h SDL_PollEvent $sdl2_extralibs $sdl2_cflags &&
6207 if test $target_os = "mingw32"; then
6208 sdl2_extralibs=$(filter_out '-mwindows' $sdl2_extralibs)
6212 if enabled decklink; then
6214 mingw32*|mingw64*|win32|win64)
6215 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
6216 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
6221 enabled securetransport &&
6222 check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
6223 check_lib securetransport "Security/SecureTransport.h Security/Security.h" "SSLCreateContext" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" ||
6224 disable securetransport
6226 enabled securetransport &&
6227 check_func SecItemImport "-Wl,-framework,CoreFoundation -Wl,-framework,Security"
6230 check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&
6231 test_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" &&
6232 schannel_extralibs="-lsecur32" ||
6235 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
6237 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
6238 && enable makeinfo_html || disable makeinfo_html
6239 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
6240 perl -v > /dev/null 2>&1 && enable perl || disable perl
6241 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
6242 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
6244 # check V4L2 codecs available in the API
6245 check_header linux/fb.h
6246 check_header linux/videodev2.h
6247 test_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6248 check_cc v4l2_m2m linux/videodev2.h "int i = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_VIDEO_M2M | V4L2_BUF_FLAG_LAST;"
6249 check_cc vc1_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VC1_ANNEX_G;"
6250 check_cc mpeg1_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG1;"
6251 check_cc mpeg2_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG2;"
6252 check_cc mpeg4_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG4;"
6253 check_cc hevc_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_HEVC;"
6254 check_cc h263_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_H263;"
6255 check_cc h264_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_H264;"
6256 check_cc vp8_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VP8;"
6257 check_cc vp9_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VP9;"
6259 check_header sys/videoio.h
6260 test_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6262 check_lib user32 "windows.h winuser.h" GetShellWindow -luser32
6263 check_lib vfw32 "windows.h vfw.h" capCreateCaptureWindow -lvfw32
6264 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
6265 # w32api 3.12 had it defined wrong
6266 check_cpp_condition vfwcap_defines vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER"
6268 check_type "dshow.h" IBaseFilter
6270 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
6271 check_header "dev/bktr/ioctl_meteor.h dev/bktr/ioctl_bt848.h" ||
6272 check_header "machine/ioctl_meteor.h machine/ioctl_bt848.h" ||
6273 check_header "dev/video/meteor/ioctl_meteor.h dev/video/bktr/ioctl_bt848.h" ||
6274 check_header "dev/ic/bt8xx.h"
6276 if check_struct sys/soundcard.h audio_buf_info bytes; then
6277 enable_sanitized sys/soundcard.h
6279 test_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_sanitized sys/soundcard.h
6280 #include <sys/soundcard.h>
6285 enabled alsa && check_pkg_config alsa alsa "alsa/asoundlib.h" snd_pcm_htimestamp ||
6286 check_lib alsa alsa/asoundlib.h snd_pcm_htimestamp -lasound
6289 require_pkg_config libjack jack jack/jack.h jack_port_get_latency_range
6291 enabled sndio && check_lib sndio sndio.h sio_open -lsndio
6293 if enabled libcdio; then
6294 check_pkg_config libcdio libcdio_paranoia "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open ||
6295 check_pkg_config libcdio libcdio_paranoia "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open ||
6296 check_lib libcdio "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6297 check_lib libcdio "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6298 die "ERROR: No usable libcdio/cdparanoia found"
6301 enabled libxcb && check_pkg_config libxcb "xcb >= 1.4" xcb/xcb.h xcb_connect ||
6302 disable libxcb_shm libxcb_shape libxcb_xfixes
6304 if enabled libxcb; then
6305 enabled libxcb_shm && check_pkg_config libxcb_shm xcb-shm xcb/shm.h xcb_shm_attach
6306 enabled libxcb_shape && check_pkg_config libxcb_shape xcb-shape xcb/shape.h xcb_shape_get_rectangles
6307 enabled libxcb_xfixes && check_pkg_config libxcb_xfixes xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image
6310 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
6312 # d3d11va requires linking directly to dxgi and d3d11 if not building for
6313 # the desktop api partition
6314 test_cpp <<EOF && enable uwp && d3d11va_extralibs="-ldxgi -ld3d11"
6315 #ifdef WINAPI_FAMILY
6316 #include <winapifamily.h>
6317 #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
6318 #error desktop, not uwp
6320 // WINAPI_FAMILY_APP, WINAPI_FAMILY_PHONE_APP => UWP
6323 #error no family set
6328 check_lib vaapi va/va.h vaInitialize -lva
6331 check_cc vaapi "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)"
6333 if enabled vaapi; then
6334 check_lib vaapi_drm "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm
6335 check_lib vaapi_x11 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 -lX11
6339 check_cpp_condition vaapi_1 "va/va.h" "VA_CHECK_VERSION(1, 0, 0)"
6341 if enabled_all opencl libdrm ; then
6342 check_type "CL/cl_intel.h" "clCreateImageFromFdINTEL_fn" &&
6343 enable opencl_drm_beignet
6344 check_func_headers "CL/cl_ext.h" clImportMemoryARM &&
6345 enable opencl_drm_arm
6348 if enabled_all opencl vaapi ; then
6349 enabled opencl_drm_beignet && enable opencl_vaapi_beignet
6350 check_type "CL/cl.h CL/va_ext.h" "clCreateFromVA_APIMediaSurfaceINTEL_fn" &&
6351 enable opencl_vaapi_intel_media
6354 if enabled_all opencl dxva2 ; then
6355 check_type "CL/cl_dx9_media_sharing.h" cl_dx9_surface_info_khr &&
6359 if enabled_all opencl d3d11va ; then
6360 check_type "CL/cl_d3d11.h" clGetDeviceIDsFromD3D11KHR_fn &&
6365 check_cpp_condition vdpau vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP"
6368 check_lib vdpau_x11 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau -lX11
6370 enabled crystalhd && check_lib crystalhd "stdint.h libcrystalhd/libcrystalhd_if.h" DtsCrystalHDVersion -lcrystalhd
6372 if enabled x86; then
6374 mingw32*|mingw64*|win32|win64|linux|cygwin*)
6377 disable ffnvcodec cuvid nvdec nvenc
6381 disable ffnvcodec cuvid nvdec nvenc
6384 enabled ffnvcodec && enable cuda
6387 test_cc -I$source_path <<EOF || disable nvenc
6388 #include <ffnvcodec/nvEncodeAPI.h>
6389 NV_ENCODE_API_FUNCTION_LIST flist;
6390 void f(void) { struct { const GUID guid; } s[] = { { NV_ENC_PRESET_HQ_GUID } }; }
6391 int main(void) { return 0; }
6395 check_cpp_condition amf "AMF/core/Version.h" \
6396 "(AMF_VERSION_MAJOR << 48 | AMF_VERSION_MINOR << 32 | AMF_VERSION_RELEASE << 16 | AMF_VERSION_BUILD_NUM) >= 0x0001000400040001"
6398 # Funny iconv installations are not unusual, so check it after all flags have been set
6399 if enabled libc_iconv; then
6400 check_func_headers iconv.h iconv
6401 elif enabled iconv; then
6402 check_func_headers iconv.h iconv || check_lib iconv iconv.h iconv -liconv
6405 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
6407 # add some useful compiler flags if supported
6408 check_cflags -Wdeclaration-after-statement
6410 check_cflags -Wdisabled-optimization
6411 check_cflags -Wpointer-arith
6412 check_cflags -Wredundant-decls
6413 check_cflags -Wwrite-strings
6414 check_cflags -Wtype-limits
6415 check_cflags -Wundef
6416 check_cflags -Wmissing-prototypes
6417 check_cflags -Wno-pointer-to-int-cast
6418 check_cflags -Wstrict-prototypes
6419 check_cflags -Wempty-body
6421 if enabled extra_warnings; then
6422 check_cflags -Wcast-qual
6423 check_cflags -Wextra
6424 check_cflags -Wpedantic
6427 check_disable_warning(){
6428 warning_flag=-W${1#-Wno-}
6429 test_cflags $unknown_warning_flags $warning_flag && add_cflags $1
6432 test_cflags -Werror=unused-command-line-argument &&
6433 append unknown_warning_flags "-Werror=unused-command-line-argument"
6434 test_cflags -Werror=unknown-warning-option &&
6435 append unknown_warning_flags "-Werror=unknown-warning-option"
6437 check_disable_warning -Wno-parentheses
6438 check_disable_warning -Wno-switch
6439 check_disable_warning -Wno-format-zero-length
6440 check_disable_warning -Wno-pointer-sign
6441 check_disable_warning -Wno-unused-const-variable
6442 check_disable_warning -Wno-bool-operation
6444 check_disable_warning_headers(){
6445 warning_flag=-W${1#-Wno-}
6446 test_cflags $warning_flag && add_cflags_headers $1
6449 check_disable_warning_headers -Wno-deprecated-declarations
6450 check_disable_warning_headers -Wno-unused-variable
6452 test_cc <<EOF && enable blocks_extension
6453 void (^block)(void);
6456 # add some linker flags
6457 check_ldflags -Wl,--warn-common
6458 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
6459 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir && add_ldsoflags -Wl,-rpath,$libdir
6460 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
6462 # add some strip flags
6465 enabled neon_clobber_test &&
6466 check_ldflags -Wl,--wrap,avcodec_open2 \
6467 -Wl,--wrap,avcodec_decode_audio4 \
6468 -Wl,--wrap,avcodec_decode_video2 \
6469 -Wl,--wrap,avcodec_decode_subtitle2 \
6470 -Wl,--wrap,avcodec_encode_audio2 \
6471 -Wl,--wrap,avcodec_encode_video2 \
6472 -Wl,--wrap,avcodec_encode_subtitle \
6473 -Wl,--wrap,avcodec_send_packet \
6474 -Wl,--wrap,avcodec_receive_packet \
6475 -Wl,--wrap,avcodec_send_frame \
6476 -Wl,--wrap,avcodec_receive_frame \
6477 -Wl,--wrap,swr_convert \
6478 -Wl,--wrap,avresample_convert ||
6479 disable neon_clobber_test
6481 enabled xmm_clobber_test &&
6482 check_ldflags -Wl,--wrap,avcodec_open2 \
6483 -Wl,--wrap,avcodec_decode_audio4 \
6484 -Wl,--wrap,avcodec_decode_video2 \
6485 -Wl,--wrap,avcodec_decode_subtitle2 \
6486 -Wl,--wrap,avcodec_encode_audio2 \
6487 -Wl,--wrap,avcodec_encode_video2 \
6488 -Wl,--wrap,avcodec_encode_subtitle \
6489 -Wl,--wrap,avcodec_send_packet \
6490 -Wl,--wrap,avcodec_receive_packet \
6491 -Wl,--wrap,avcodec_send_frame \
6492 -Wl,--wrap,avcodec_receive_frame \
6493 -Wl,--wrap,swr_convert \
6494 -Wl,--wrap,avresample_convert \
6495 -Wl,--wrap,sws_scale ||
6496 disable xmm_clobber_test
6498 check_ld "cc" proper_dce <<EOF
6499 extern const int array[512];
6500 static inline int func(void) { return array[0]; }
6501 int main(void) { return 0; }
6504 if enabled proper_dce; then
6505 echo "X { local: *; };" > $TMPV
6506 if test_ldflags -Wl,${version_script},$TMPV; then
6507 append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver'
6509 test_cc <<EOF && enable symver_asm_label
6510 void ff_foo(void) __asm__ ("av_foo@VERSION");
6511 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
6513 test_cc <<EOF && enable symver_gnu_asm
6514 __asm__(".symver ff_foo,av_foo@VERSION");
6515 void ff_foo(void) {}
6520 if [ -z "$optflags" ]; then
6521 if enabled small; then
6522 optflags=$cflags_size
6523 elif enabled optimizations; then
6524 optflags=$cflags_speed
6526 optflags=$cflags_noopt
6530 if [ -z "$nvccflags" ]; then
6531 nvccflags=$nvccflags_default
6534 if enabled x86_64 || enabled ppc64 || enabled aarch64; then
6535 nvccflags="$nvccflags -m64"
6537 nvccflags="$nvccflags -m32"
6542 enabled lto && check_ldflags "$@"
6545 check_optflags $optflags
6546 check_optflags -fno-math-errno
6547 check_optflags -fno-signed-zeros
6549 if enabled lto; then
6550 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
6552 check_ldflags -flto $cpuflags
6553 disable inline_asm_direct_symbol_refs
6556 enabled ftrapv && check_cflags -ftrapv
6558 test_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
6563 if enabled icc; then
6564 # Just warnings, no remarks
6566 # -wd: Disable following warnings
6567 # 144, 167, 556: -Wno-pointer-sign
6568 # 188: enumerated type mixed with another type
6569 # 1292: attribute "foo" ignored
6570 # 1419: external declaration in primary source file
6571 # 10006: ignoring unknown option -fno-signed-zeros
6572 # 10148: ignoring unknown option -Wno-parentheses
6573 # 10156: ignoring option '-W'; no argument required
6574 # 13200: No EMMS instruction before call to function
6575 # 13203: No EMMS instruction before return from function
6576 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
6577 # 11030: Warning unknown option --as-needed
6578 # 10156: ignoring option '-export'; no argument required
6579 check_ldflags -wd10156,11030
6580 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
6581 enable ebp_available
6582 # The test above does not test linking
6583 enabled lto && disable symver_asm_label
6584 if enabled x86_32; then
6585 icc_version=$($cc -dumpversion)
6586 test ${icc_version%%.*} -ge 11 &&
6587 check_cflags -falign-stack=maintain-16-byte ||
6588 disable aligned_stack
6590 elif enabled gcc; then
6591 check_optflags -fno-tree-vectorize
6592 check_cflags -Werror=format-security
6593 check_cflags -Werror=implicit-function-declaration
6594 check_cflags -Werror=missing-prototypes
6595 check_cflags -Werror=return-type
6596 check_cflags -Werror=vla
6597 check_cflags -Wformat
6598 check_cflags -fdiagnostics-color=auto
6599 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
6600 if enabled x86_32; then
6603 # BSDs don't guarantee a 16 byte aligned stack, but we can
6604 # request GCC to try to maintain 16 byte alignment throughout
6605 # function calls. Library entry points that might call assembly
6606 # functions align the stack. (The parameter means 2^4 bytes.)
6607 check_cflags -mpreferred-stack-boundary=4
6611 elif enabled llvm_gcc; then
6612 check_cflags -mllvm -stack-alignment=16
6613 elif enabled clang; then
6614 if enabled x86_32; then
6615 # Clang doesn't support maintaining alignment without assuming the
6616 # same alignment in every function. If 16 byte alignment would be
6617 # enabled, one would also have to either add attribute_align_arg on
6618 # every single entry point into the libraries or enable -mstackrealign
6619 # (doing stack realignment in every single function).
6621 mingw32|win32|*bsd*)
6622 disable aligned_stack
6625 check_cflags -mllvm -stack-alignment=16
6626 check_cflags -mstack-alignment=16
6630 check_cflags -mllvm -stack-alignment=16
6631 check_cflags -mstack-alignment=16
6633 check_cflags -Qunused-arguments
6634 check_cflags -Werror=implicit-function-declaration
6635 check_cflags -Werror=missing-prototypes
6636 check_cflags -Werror=return-type
6637 elif enabled cparser; then
6638 add_cflags -Wno-missing-variable-declarations
6639 add_cflags -Wno-empty-statement
6640 elif enabled armcc; then
6641 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
6642 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
6643 # 2523: use of inline assembly is deprecated
6644 add_cflags -W${armcc_opt},--diag_suppress=2523
6645 add_cflags -W${armcc_opt},--diag_suppress=1207
6646 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
6647 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
6648 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
6649 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
6650 elif enabled pathscale; then
6651 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
6653 elif enabled_any msvc icl; then
6654 enabled x86_32 && disable aligned_stack
6655 enabled_all x86_32 debug && add_cflags -Oy-
6656 enabled debug && add_ldflags -debug
6657 enable pragma_deprecated
6658 if enabled icl; then
6659 # -Qansi-alias is basically -fstrict-aliasing, but does not work
6660 # (correctly) on icl 13.x.
6661 test_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
6662 add_cflags -Qansi-alias
6663 # Some inline asm is not compilable in debug
6664 if enabled debug; then
6665 disable ebp_available
6666 disable ebx_available
6669 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
6670 check_cpp_condition log2 crtversion.h "_VC_CRT_MAJOR_VERSION >= 12"
6671 # The CRT headers contain __declspec(restrict) in a few places, but if redefining
6672 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
6673 # (as it ends up if the restrict redefine is done before including stdlib.h), while
6674 # MSVC 2013 and newer can handle it fine.
6675 # If this declspec fails, force including stdlib.h before the restrict redefinition
6676 # happens in config.h.
6677 if [ $restrict_keyword != restrict ]; then
6678 test_cc <<EOF || add_cflags -FIstdlib.h
6679 __declspec($restrict_keyword) void *foo(int);
6682 # the new SSA optimzer in VS2015 U3 is mis-optimizing some parts of the code
6683 # Issue has been fixed in MSVC v19.00.24218.
6684 test_cpp_condition windows.h "_MSC_FULL_VER >= 190024218" ||
6685 check_cflags -d2SSAOptimizer-
6686 # enable utf-8 source processing on VS2015 U2 and newer
6687 test_cpp_condition windows.h "_MSC_FULL_VER >= 190023918" &&
6691 for pfx in "" host_; do
6692 varname=${pfx%_}cc_type
6693 eval "type=\$$varname"
6694 if [ "$type" = "msvc" ]; then
6695 test_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline
6696 static inline int foo(int a) { return a; }
6703 add_asflags -Qunused-arguments
6709 check_ldflags -Qunused-arguments
6713 enable frame_thread_encoder
6715 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
6717 check_deps $CONFIG_LIST \
6722 enabled threads && ! enabled pthreads && ! enabled atomics_native && die "non pthread threading without atomics not supported, try adding --enable-pthreads or --cpu=i486 or higher if you are on x86"
6723 enabled avresample && warn "Building with deprecated library libavresample"
6725 if test $target_os = "haiku"; then
6727 disable posix_memalign
6730 flatten_extralibs(){
6731 unset nested_entries
6734 for entry in $list; do
6737 append nested_entries $(filter '*_extralibs' $entry_copy)
6738 flat_entries=$(filter_out '*_extralibs' $entry_copy)
6739 eval $entry="\$flat_entries"
6741 append $list_name "$nested_entries"
6743 resolve nested_entries
6744 if test -n "$(filter '*_extralibs' $nested_entries)"; then
6745 flatten_extralibs $list_name
6749 flatten_extralibs_wrapper(){
6751 flatten_extralibs $list_name
6754 eval $list_name=\$\(\$ldflags_filter \$$list_name\)
6755 eval printf \''%s'\' \""\$$list_name"\"
6758 for linkunit in $LIBRARY_LIST; do
6759 unset current_extralibs
6760 eval components=\$$(toupper ${linkunit})_COMPONENTS_LIST
6761 for comp in ${components}; do
6762 enabled $comp || continue
6763 comp_extralibs="${comp}_extralibs"
6764 append current_extralibs $comp_extralibs
6766 eval prepend ${linkunit}_extralibs $current_extralibs
6769 for linkunit in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
6770 eval ${linkunit}_extralibs=\$\(flatten_extralibs_wrapper ${linkunit}_extralibs\)
6773 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
6775 for thread in $THREADS_LIST; do
6776 if enabled $thread; then
6777 test -n "$thread_type" &&
6778 die "ERROR: Only one thread type must be selected." ||
6779 thread_type="$thread"
6783 if disabled stdatomic; then
6784 if enabled atomics_gcc; then
6785 add_cppflags '-I\$(SRC_PATH)/compat/atomics/gcc'
6786 elif enabled atomics_win32; then
6787 add_cppflags '-I\$(SRC_PATH)/compat/atomics/win32'
6788 elif enabled atomics_suncc; then
6789 add_cppflags '-I\$(SRC_PATH)/compat/atomics/suncc'
6790 elif enabled pthreads; then
6791 add_compat atomics/pthread/stdatomic.o
6792 add_cppflags '-I\$(SRC_PATH)/compat/atomics/pthread'
6794 enabled threads && die "Threading is enabled, but no atomics are available"
6795 add_cppflags '-I\$(SRC_PATH)/compat/atomics/dummy'
6799 # Check if requested libraries were found.
6800 for lib in $AUTODETECT_LIBS; do
6801 requested $lib && ! enabled $lib && die "ERROR: $lib requested but not found";
6804 enabled zlib && add_cppflags -DZLIB_CONST
6806 # conditional library dependencies, in linking order
6807 enabled afftfilt_filter && prepend avfilter_deps "avcodec"
6808 enabled afir_filter && prepend avfilter_deps "avcodec"
6809 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
6810 enabled aresample_filter && prepend avfilter_deps "swresample"
6811 enabled atempo_filter && prepend avfilter_deps "avcodec"
6812 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
6813 enabled convolve_filter && prepend avfilter_deps "avcodec"
6814 enabled deconvolve_filter && prepend avfilter_deps "avcodec"
6815 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
6816 enabled elbg_filter && prepend avfilter_deps "avcodec"
6817 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
6818 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
6819 enabled firequalizer_filter && prepend avfilter_deps "avcodec"
6820 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
6821 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
6822 enabled pan_filter && prepend avfilter_deps "swresample"
6823 enabled pp_filter && prepend avfilter_deps "postproc"
6824 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
6825 enabled resample_filter && prepend avfilter_deps "avresample"
6826 enabled sab_filter && prepend avfilter_deps "swscale"
6827 enabled scale_filter && prepend avfilter_deps "swscale"
6828 enabled scale2ref_filter && prepend avfilter_deps "swscale"
6829 enabled sofalizer_filter && prepend avfilter_deps "avcodec"
6830 enabled showcqt_filter && prepend avfilter_deps "avformat avcodec swscale"
6831 enabled showfreqs_filter && prepend avfilter_deps "avcodec"
6832 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
6833 enabled signature_filter && prepend avfilter_deps "avcodec avformat"
6834 enabled smartblur_filter && prepend avfilter_deps "swscale"
6835 enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"
6836 enabled spp_filter && prepend avfilter_deps "avcodec"
6837 enabled sr_filter && prepend avfilter_deps "avformat swscale"
6838 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
6839 enabled uspp_filter && prepend avfilter_deps "avcodec"
6840 enabled zoompan_filter && prepend avfilter_deps "swscale"
6842 enabled lavfi_indev && prepend avdevice_deps "avfilter"
6845 enabled sdl2_outdev && add_cflags $(filter_out '-Dmain=SDL_main' $sdl2_cflags)
6847 enabled opus_decoder && prepend avcodec_deps "swresample"
6851 eval "deps=\$$lib_deps"
6852 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
6856 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
6857 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
6859 map 'expand_deps $v' $LIBRARY_LIST
6861 if test "$quiet" != "yes"; then
6863 echo "install prefix $prefix"
6864 echo "source path $source_path"
6865 echo "C compiler $cc"
6866 echo "C library $libc_type"
6867 if test "$host_cc" != "$cc"; then
6868 echo "host C compiler $host_cc"
6869 echo "host C library $host_libc_type"
6871 echo "ARCH $arch ($cpu)"
6872 if test "$build_suffix" != ""; then
6873 echo "build suffix $build_suffix"
6875 if test "$progs_suffix" != ""; then
6876 echo "progs suffix $progs_suffix"
6878 if test "$extra_version" != ""; then
6879 echo "version string suffix $extra_version"
6881 echo "big-endian ${bigendian-no}"
6882 echo "runtime cpu detection ${runtime_cpudetect-no}"
6883 if enabled x86; then
6884 echo "standalone assembly ${x86asm-no}"
6885 echo "x86 assembler ${x86asmexe}"
6886 echo "MMX enabled ${mmx-no}"
6887 echo "MMXEXT enabled ${mmxext-no}"
6888 echo "3DNow! enabled ${amd3dnow-no}"
6889 echo "3DNow! extended enabled ${amd3dnowext-no}"
6890 echo "SSE enabled ${sse-no}"
6891 echo "SSSE3 enabled ${ssse3-no}"
6892 echo "AESNI enabled ${aesni-no}"
6893 echo "AVX enabled ${avx-no}"
6894 echo "AVX2 enabled ${avx2-no}"
6895 echo "AVX-512 enabled ${avx512-no}"
6896 echo "XOP enabled ${xop-no}"
6897 echo "FMA3 enabled ${fma3-no}"
6898 echo "FMA4 enabled ${fma4-no}"
6899 echo "i686 features enabled ${i686-no}"
6900 echo "CMOV is fast ${fast_cmov-no}"
6901 echo "EBX available ${ebx_available-no}"
6902 echo "EBP available ${ebp_available-no}"
6904 if enabled aarch64; then
6905 echo "NEON enabled ${neon-no}"
6906 echo "VFP enabled ${vfp-no}"
6908 if enabled arm; then
6909 echo "ARMv5TE enabled ${armv5te-no}"
6910 echo "ARMv6 enabled ${armv6-no}"
6911 echo "ARMv6T2 enabled ${armv6t2-no}"
6912 echo "VFP enabled ${vfp-no}"
6913 echo "NEON enabled ${neon-no}"
6914 echo "THUMB enabled ${thumb-no}"
6916 if enabled mips; then
6917 echo "MIPS FPU enabled ${mipsfpu-no}"
6918 echo "MIPS DSP R1 enabled ${mipsdsp-no}"
6919 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
6920 echo "MIPS MSA enabled ${msa-no}"
6921 echo "LOONGSON MMI enabled ${mmi-no}"
6923 if enabled ppc; then
6924 echo "AltiVec enabled ${altivec-no}"
6925 echo "VSX enabled ${vsx-no}"
6926 echo "POWER8 enabled ${power8-no}"
6927 echo "PPC 4xx optimizations ${ppc4xx-no}"
6928 echo "dcbzl available ${dcbzl-no}"
6930 echo "debug symbols ${debug-no}"
6931 echo "strip symbols ${stripping-no}"
6932 echo "optimize for size ${small-no}"
6933 echo "optimizations ${optimizations-no}"
6934 echo "static ${static-no}"
6935 echo "shared ${shared-no}"
6936 echo "postprocessing support ${postproc-no}"
6937 echo "network support ${network-no}"
6938 echo "threading support ${thread_type-no}"
6939 echo "safe bitstream reader ${safe_bitstream_reader-no}"
6940 echo "texi2html enabled ${texi2html-no}"
6941 echo "perl enabled ${perl-no}"
6942 echo "pod2man enabled ${pod2man-no}"
6943 echo "makeinfo enabled ${makeinfo-no}"
6944 echo "makeinfo supports HTML ${makeinfo_html-no}"
6945 test -n "$random_seed" &&
6946 echo "random seed ${random_seed}"
6949 echo "External libraries:"
6950 print_enabled '' $EXTERNAL_LIBRARY_LIST $EXTERNAL_AUTODETECT_LIBRARY_LIST | print_in_columns
6953 echo "External libraries providing hardware acceleration:"
6954 print_enabled '' $HWACCEL_LIBRARY_LIST $HWACCEL_AUTODETECT_LIBRARY_LIST | print_in_columns
6958 print_enabled '' $LIBRARY_LIST | print_in_columns
6962 print_enabled '' $PROGRAM_LIST | print_in_columns
6965 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
6966 echo "Enabled ${type}s:"
6967 eval list=\$$(toupper $type)_LIST
6968 print_enabled '_*' $list | print_in_columns
6972 if test -n "$ignore_tests"; then
6973 ignore_tests=$(echo $ignore_tests | tr ',' ' ')
6974 echo "Ignored FATE tests:"
6975 echo $ignore_tests | print_in_columns
6979 echo "License: $license"
6981 fi # test "$quiet" != "yes"
6983 if test -n "$WARNINGS"; then
6984 printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"
6985 enabled fatal_warnings && exit 1
6988 test -e Makefile || echo "include $source_path/Makefile" > Makefile
6991 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
6994 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" > ffbuild/config.fate
6996 enabled stripping || strip="echo skipping strip"
6997 enabled stripping || striptype=""
6999 config_files="$TMPH ffbuild/config.mak doc/config.texi"
7001 cat > ffbuild/config.mak <<EOF
7002 # Automatically generated by configure - do not modify!
7003 ifndef FFMPEG_CONFIG_MAK
7005 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
7007 LIBDIR=\$(DESTDIR)$libdir
7008 SHLIBDIR=\$(DESTDIR)$shlibdir
7009 INCDIR=\$(DESTDIR)$incdir
7010 BINDIR=\$(DESTDIR)$bindir
7011 DATADIR=\$(DESTDIR)$datadir
7012 DOCDIR=\$(DESTDIR)$docdir
7013 MANDIR=\$(DESTDIR)$mandir
7014 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
7015 INSTALL_NAME_DIR=$install_name_dir
7016 SRC_PATH=$source_path
7017 SRC_LINK=$source_link
7018 ifndef MAIN_MAKEFILE
7019 SRC_PATH:=\$(SRC_PATH:.%=..%)
7023 INTRINSICS=$intrinsics
7024 EXTERN_PREFIX=$extern_prefix
7031 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
7033 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
7035 DEPX86ASM=$x86asmexe
7036 DEPX86ASMFLAGS=\$(X86ASMFLAGS)
7044 STRIPTYPE=$striptype
7051 OBJCFLAGS=$OBJCFLAGS
7053 NVCCFLAGS=$nvccflags
7075 LDEXEFLAGS=$LDEXEFLAGS
7076 LDSOFLAGS=$LDSOFLAGS
7077 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
7078 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
7079 X86ASMFLAGS=$X86ASMFLAGS
7080 BUILDSUF=$build_suffix
7081 PROGSSUF=$progs_suffix
7089 EXTRA_VERSION=$extra_version
7092 CCDEP_FLAGS=$CCDEP_FLAGS
7094 ASDEP_FLAGS=$ASDEP_FLAGS
7095 X86ASMDEP=$X86ASMDEP
7096 X86ASMDEP_FLAGS=$X86ASMDEP_FLAGS
7097 CC_DEPFLAGS=$CC_DEPFLAGS
7098 AS_DEPFLAGS=$AS_DEPFLAGS
7099 X86ASM_DEPFLAGS=$X86ASM_DEPFLAGS
7102 HOSTCFLAGS=$host_cflags
7103 HOSTCPPFLAGS=$host_cppflags
7104 HOSTEXESUF=$HOSTEXESUF
7105 HOSTLDFLAGS=$host_ldflags
7106 HOSTEXTRALIBS=$host_extralibs
7108 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
7109 HOSTCCDEP=$HOSTCCDEP
7110 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
7111 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
7115 TARGET_EXEC=$target_exec $target_exec_args
7116 TARGET_PATH=$target_path
7117 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
7118 CFLAGS-ffplay=${sdl2_cflags}
7119 CFLAGS_HEADERS=$CFLAGS_HEADERS
7120 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
7121 EXTRALIBS=$extralibs
7122 COMPAT_OBJS=$compat_objs
7124 LIBTARGET=${LIBTARGET}
7125 SLIBNAME=${SLIBNAME}
7126 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
7127 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
7128 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
7129 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
7130 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
7131 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
7132 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
7133 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
7134 VERSION_SCRIPT_POSTPROCESS_CMD=${VERSION_SCRIPT_POSTPROCESS_CMD}
7135 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
7136 NOREDZONE_FLAGS=$noredzone_flags
7137 LIBFUZZER_PATH=$libfuzzer_path
7138 IGNORE_TESTS=$ignore_tests
7141 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> ffbuild/config.mak' $LIBRARY_LIST
7143 for entry in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
7144 eval echo "EXTRALIBS-${entry}=\$${entry}_extralibs" >> ffbuild/config.mak
7148 /* Automatically generated by configure - do not modify! */
7149 #ifndef FFMPEG_CONFIG_H
7150 #define FFMPEG_CONFIG_H
7151 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
7152 #define FFMPEG_LICENSE "$(c_escape $license)"
7153 #define CONFIG_THIS_YEAR 2018
7154 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
7155 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
7156 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
7157 #define av_restrict $restrict_keyword
7158 #define EXTERN_PREFIX "${extern_prefix}"
7159 #define EXTERN_ASM ${extern_prefix}
7160 #define BUILDSUF "$build_suffix"
7161 #define SLIBSUF "$SLIBSUF"
7162 #define HAVE_MMX2 HAVE_MMXEXT
7163 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
7166 test -n "$assert_level" &&
7167 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
7169 test -n "$malloc_prefix" &&
7170 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
7172 if enabled x86asm; then
7173 append config_files $TMPASM
7175 ; Automatically generated by configure - do not modify!
7179 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
7185 echo "@c auto-generated by configure - do not modify! " > doc/config.texi
7187 print_config ARCH_ "$config_files" $ARCH_LIST
7188 print_config HAVE_ "$config_files" $HAVE_LIST
7189 print_config CONFIG_ "$config_files" $CONFIG_LIST \
7193 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
7194 echo "endif # FFMPEG_CONFIG_MAK" >> ffbuild/config.mak
7196 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
7197 cp_if_changed $TMPH config.h
7198 touch ffbuild/.config
7200 enabled x86asm && cp_if_changed $TMPASM config.asm
7203 /* Generated by ffmpeg configure */
7204 #ifndef AVUTIL_AVCONFIG_H
7205 #define AVUTIL_AVCONFIG_H
7208 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
7210 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
7212 cp_if_changed $TMPH libavutil/avconfig.h
7215 sed -n "s/^extern AVFilter ff_\([avfsinkrc]\{2,5\}\)_$1;/\1_$1/p" $source_path/libavfilter/allfilters.c
7218 # generate the lists of enabled components
7219 print_enabled_components(){
7224 echo "static const $struct_name * const $name[] = {" > $TMPH
7229 c=$(full_filter_name $(remove_suffix _filter $c))
7232 c=$(add_suffix _demuxer $(remove_suffix _indev $c))
7235 c=$(add_suffix _muxer $(remove_suffix _outdev $c))
7238 printf " &ff_%s,\n" $c >> $TMPH
7241 if [ "$name" = "filter_list" ]; then
7242 for c in asrc_abuffer vsrc_buffer asink_abuffer vsink_buffer; do
7243 printf " &ff_%s,\n" $c >> $TMPH
7246 echo " NULL };" >> $TMPH
7247 cp_if_changed $TMPH $file
7250 print_enabled_components libavfilter/filter_list.c AVFilter filter_list $FILTER_LIST
7251 print_enabled_components libavcodec/codec_list.c AVCodec codec_list $CODEC_LIST
7252 print_enabled_components libavcodec/parser_list.c AVCodecParser parser_list $PARSER_LIST
7253 print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST
7254 print_enabled_components libavformat/demuxer_list.c AVInputFormat demuxer_list $DEMUXER_LIST
7255 print_enabled_components libavformat/muxer_list.c AVOutputFormat muxer_list $MUXER_LIST
7256 print_enabled_components libavdevice/indev_list.c AVInputFormat indev_list $INDEV_LIST
7257 print_enabled_components libavdevice/outdev_list.c AVOutputFormat outdev_list $OUTDEV_LIST
7258 print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST
7260 # Settings for pkg-config files
7263 # Automatically generated by configure - do not modify!
7265 build_suffix=$build_suffix
7269 rpath=$(enabled rpath && echo "-Wl,-rpath,\${libdir}")
7270 source_path=${source_path}
7273 extralibs_avutil="$avutil_extralibs"
7274 extralibs_avcodec="$avcodec_extralibs"
7275 extralibs_avformat="$avformat_extralibs"
7276 extralibs_avdevice="$avdevice_extralibs"
7277 extralibs_avfilter="$avfilter_extralibs"
7278 extralibs_avresample="$avresample_extralibs"
7279 extralibs_postproc="$postproc_extralibs"
7280 extralibs_swscale="$swscale_extralibs"
7281 extralibs_swresample="$swresample_extralibs"
7284 for lib in $LIBRARY_LIST; do
7285 lib_deps="$(eval echo \$${lib}_deps)"
7286 echo ${lib}_deps=\"$lib_deps\" >> $TMPH
7289 cp_if_changed $TMPH ffbuild/config.sh