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 or libtls 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-libmodplug enable ModPlug via libmodplug [no]
243 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
244 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
245 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
246 --enable-libopencv enable video filtering via libopencv [no]
247 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
248 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
249 --enable-libopenmpt enable decoding tracked files via libopenmpt [no]
250 --enable-libopus enable Opus de/encoding via libopus [no]
251 --enable-libpulse enable Pulseaudio input via libpulse [no]
252 --enable-librsvg enable SVG rasterization via librsvg [no]
253 --enable-librubberband enable rubberband needed for rubberband filter [no]
254 --enable-librtmp enable RTMP[E] support via librtmp [no]
255 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
256 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
257 --enable-libsnappy enable Snappy compression, needed for hap encoding [no]
258 --enable-libsoxr enable Include libsoxr resampling [no]
259 --enable-libspeex enable Speex de/encoding via libspeex [no]
260 --enable-libsrt enable Haivision SRT protocol via libsrt [no]
261 --enable-libssh enable SFTP protocol via libssh [no]
262 --enable-libtesseract enable Tesseract, needed for ocr filter [no]
263 --enable-libtheora enable Theora encoding via libtheora [no]
264 --enable-libtls enable LibreSSL (via libtls), needed for https support
265 if openssl or gnutls is not used [no]
266 --enable-libtwolame enable MP2 encoding via libtwolame [no]
267 --enable-libv4l2 enable libv4l2/v4l-utils [no]
268 --enable-libvidstab enable video stabilization using vid.stab [no]
269 --enable-libvmaf enable vmaf filter via libvmaf [no]
270 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
271 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
272 native implementation exists [no]
273 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
274 --enable-libwavpack enable wavpack encoding via libwavpack [no]
275 --enable-libwebp enable WebP encoding via libwebp [no]
276 --enable-libx264 enable H.264 encoding via x264 [no]
277 --enable-libx265 enable HEVC encoding via x265 [no]
278 --enable-libxavs enable AVS encoding via xavs [no]
279 --enable-libxcb enable X11 grabbing using XCB [autodetect]
280 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
281 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
282 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
283 --enable-libxvid enable Xvid encoding via xvidcore,
284 native MPEG-4/Xvid encoder exists [no]
285 --enable-libxml2 enable XML parsing using the C library libxml2 [no]
286 --enable-libzimg enable z.lib, needed for zscale filter [no]
287 --enable-libzmq enable message passing via libzmq [no]
288 --enable-libzvbi enable teletext support via libzvbi [no]
289 --enable-lv2 enable LV2 audio filtering [no]
290 --disable-lzma disable lzma [autodetect]
291 --enable-decklink enable Blackmagic DeckLink I/O support [no]
292 --enable-libndi_newtek enable Newteck NDI I/O support [no]
293 --enable-mediacodec enable Android MediaCodec support [no]
294 --enable-libmysofa enable libmysofa, needed for sofalizer filter [no]
295 --enable-openal enable OpenAL 1.1 capture support [no]
296 --enable-opencl enable OpenCL processing [no]
297 --enable-opengl enable OpenGL rendering [no]
298 --enable-openssl enable openssl, needed for https support
299 if gnutls or libtls is not used [no]
300 --disable-sndio disable sndio support [autodetect]
301 --disable-schannel disable SChannel SSP, needed for TLS support on
302 Windows if openssl and gnutls are not used [autodetect]
303 --disable-sdl2 disable sdl2 [autodetect]
304 --disable-securetransport disable Secure Transport, needed for TLS support
305 on OSX if openssl and gnutls are not used [autodetect]
306 --disable-xlib disable xlib [autodetect]
307 --disable-zlib disable zlib [autodetect]
309 The following libraries provide various hardware acceleration features:
310 --disable-amf disable AMF video encoding code [autodetect]
311 --disable-audiotoolbox disable Apple AudioToolbox code [autodetect]
312 --enable-cuda-sdk enable CUDA features that require the CUDA SDK [no]
313 --disable-cuvid disable Nvidia CUVID support [autodetect]
314 --disable-d3d11va disable Microsoft Direct3D 11 video acceleration code [autodetect]
315 --disable-dxva2 disable Microsoft DirectX 9 video acceleration code [autodetect]
316 --disable-ffnvcodec disable dynamically linked Nvidia code [autodetect]
317 --enable-libdrm enable DRM code (Linux) [no]
318 --enable-libmfx enable Intel MediaSDK (AKA Quick Sync Video) code via libmfx [no]
319 --enable-libnpp enable Nvidia Performance Primitives-based code [no]
320 --enable-mmal enable Broadcom Multi-Media Abstraction Layer (Raspberry Pi) via MMAL [no]
321 --disable-nvdec disable Nvidia video decoding acceleration (via hwaccel) [autodetect]
322 --disable-nvenc disable Nvidia video encoding code [autodetect]
323 --enable-omx enable OpenMAX IL code [no]
324 --enable-omx-rpi enable OpenMAX IL code for Raspberry Pi [no]
325 --enable-rkmpp enable Rockchip Media Process Platform code [no]
326 --disable-v4l2-m2m disable V4L2 mem2mem code [autodetect]
327 --disable-vaapi disable Video Acceleration API (mainly Unix/Intel) code [autodetect]
328 --disable-vdpau disable Nvidia Video Decode and Presentation API for Unix code [autodetect]
329 --disable-videotoolbox disable VideoToolbox code [autodetect]
332 --arch=ARCH select architecture [$arch]
333 --cpu=CPU select the minimum required CPU (affects
334 instruction selection, may crash on older CPUs)
335 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
336 --progs-suffix=SUFFIX program name suffix []
337 --enable-cross-compile assume a cross-compiler is used
338 --sysroot=PATH root of cross-build tree
339 --sysinclude=PATH location of cross-build system headers
340 --target-os=OS compiler targets OS [$target_os]
341 --target-exec=CMD command to run executables on target
342 --target-path=DIR path to view of build directory on target
343 --target-samples=DIR path to samples directory on target
344 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
345 --toolchain=NAME set tool defaults according to NAME
346 (gcc-asan, clang-asan, gcc-msan, clang-msan,
347 gcc-tsan, clang-tsan, gcc-usan, clang-usan,
348 valgrind-massif, valgrind-memcheck,
349 msvc, icl, gcov, llvm-cov, hardened)
350 --nm=NM use nm tool NM [$nm_default]
351 --ar=AR use archive tool AR [$ar_default]
352 --as=AS use assembler AS [$as_default]
353 --ln_s=LN_S use symbolic link tool LN_S [$ln_s_default]
354 --strip=STRIP use strip tool STRIP [$strip_default]
355 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
356 --x86asmexe=EXE use nasm-compatible assembler EXE [$x86asmexe_default]
357 --cc=CC use C compiler CC [$cc_default]
358 --cxx=CXX use C compiler CXX [$cxx_default]
359 --objcc=OCC use ObjC compiler OCC [$cc_default]
360 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
361 --nvcc=NVCC use Nvidia CUDA compiler NVCC [$nvcc_default]
362 --ld=LD use linker LD [$ld_default]
363 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
364 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
365 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
366 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
367 --host-cc=HOSTCC use host C compiler HOSTCC
368 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
369 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
370 --host-ld=HOSTLD use host linker HOSTLD
371 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
372 --host-libs=HLIBS use libs HLIBS when linking for host
373 --host-os=OS compiler host OS [$target_os]
374 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
375 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
376 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
377 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
378 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
379 --extra-ldsoflags=ELDFLAGS add ELDFLAGS to LDSOFLAGS [$LDSOFLAGS]
380 --extra-libs=ELIBS add ELIBS [$ELIBS]
381 --extra-version=STRING version string suffix []
382 --optflags=OPTFLAGS override optimization-related compiler flags
383 --nvccflags=NVCCFLAGS override nvcc flags [$nvccflags_default]
384 --build-suffix=SUFFIX library name suffix []
385 --enable-pic build position-independent code
386 --enable-thumb compile for Thumb instruction set
387 --enable-lto use link-time optimization
388 --env="ENV=override" override the environment variables
390 Advanced options (experts only):
391 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
392 --custom-allocator=NAME use a supported custom allocator
393 --disable-symver disable symbol versioning
394 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
395 --disable-safe-bitstream-reader
396 disable buffer boundary checking in bitreaders
397 (faster, but may crash)
398 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
400 Optimization options (experts only):
401 --disable-asm disable all assembly optimizations
402 --disable-altivec disable AltiVec optimizations
403 --disable-vsx disable VSX optimizations
404 --disable-power8 disable POWER8 optimizations
405 --disable-amd3dnow disable 3DNow! optimizations
406 --disable-amd3dnowext disable 3DNow! extended optimizations
407 --disable-mmx disable MMX optimizations
408 --disable-mmxext disable MMXEXT optimizations
409 --disable-sse disable SSE optimizations
410 --disable-sse2 disable SSE2 optimizations
411 --disable-sse3 disable SSE3 optimizations
412 --disable-ssse3 disable SSSE3 optimizations
413 --disable-sse4 disable SSE4 optimizations
414 --disable-sse42 disable SSE4.2 optimizations
415 --disable-avx disable AVX optimizations
416 --disable-xop disable XOP optimizations
417 --disable-fma3 disable FMA3 optimizations
418 --disable-fma4 disable FMA4 optimizations
419 --disable-avx2 disable AVX2 optimizations
420 --disable-avx512 disable AVX-512 optimizations
421 --disable-aesni disable AESNI optimizations
422 --disable-armv5te disable armv5te optimizations
423 --disable-armv6 disable armv6 optimizations
424 --disable-armv6t2 disable armv6t2 optimizations
425 --disable-vfp disable VFP optimizations
426 --disable-neon disable NEON optimizations
427 --disable-inline-asm disable use of inline assembly
428 --disable-x86asm disable use of standalone x86 assembly
429 --disable-mipsdsp disable MIPS DSP ASE R1 optimizations
430 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
431 --disable-msa disable MSA optimizations
432 --disable-mipsfpu disable floating point MIPS optimizations
433 --disable-mmi disable Loongson SIMD optimizations
434 --disable-fast-unaligned consider unaligned accesses slow
436 Developer options (useful when working on FFmpeg itself):
437 --disable-debug disable debugging symbols
438 --enable-debug=LEVEL set the debug level [$debuglevel]
439 --disable-optimizations disable compiler optimizations
440 --enable-extra-warnings enable more compiler warnings
441 --disable-stripping disable stripping of executables and shared libraries
442 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
443 2 causes a slowdown at runtime.
444 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
445 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
446 leaks and errors, using the specified valgrind binary.
447 Cannot be combined with --target-exec
448 --enable-ftrapv Trap arithmetic overflows
449 --samples=PATH location of test samples for FATE, if not set use
450 \$FATE_SAMPLES at make invocation time.
451 --enable-neon-clobber-test check NEON registers for clobbering (should be
452 used only for debugging purposes)
453 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
454 should be used only for debugging purposes)
455 --enable-random randomly enable/disable components
457 --enable-random=LIST randomly enable/disable specific components or
458 --disable-random=LIST component groups. LIST is a comma-separated list
459 of NAME[:PROB] entries where NAME is a component
460 (group) and PROB the probability associated with
462 --random-seed=VALUE seed value for --enable/disable-random
463 --disable-valgrind-backtrace do not print a backtrace under Valgrind
464 (only applies to --disable-optimizations builds)
465 --enable-osfuzz Enable building fuzzer tool
466 --libfuzzer=PATH path to libfuzzer
467 --ignore-tests=TESTS comma-separated list (without "fate-" prefix
468 in the name) of tests whose result is ignored
469 --enable-linux-perf enable Linux Performance Monitor API
471 NOTE: Object files are built at the place where configure is launched.
476 if test -t 1 && which tput >/dev/null 2>&1; then
477 ncolors=$(tput colors)
478 if test -n "$ncolors" && test $ncolors -ge 8; then
479 bold_color=$(tput bold)
480 warn_color=$(tput setaf 3)
481 error_color=$(tput setaf 1)
482 reset_color=$(tput sgr0)
484 # 72 used instead of 80 since that's the default of pr
490 echo "$@" >> $logfile
495 pr -n -t $1 >> $logfile
501 WARNINGS="${WARNINGS}WARNING: $*\n"
506 echo "$error_color$bold_color$@$reset_color"
509 If you think configure made a mistake, make sure you are using the latest
510 version from Git. If the latest version fails, report the problem to the
511 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
513 if disabled logging; then
515 Rerun configure with logging enabled (do not use --disable-logging), and
516 include the log this produces with your report.
520 Include the log file "$logfile" produced by configure as this will help
527 # Avoid locale weirdness, besides we really just want to translate ASCII.
529 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
533 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
537 echo "$*" | sed 's/["\\]/\\\0/g'
541 v=$(echo "$1" | sed "s/'/'\\\\''/g")
542 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
547 echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
554 eval "case '$v' in $pat) printf '%s ' '$v' ;; esac"
562 eval "case '$v' in $pat) ;; *) printf '%s ' '$v' ;; esac"
569 for v; do eval $m; done
575 for v; do echo ${v}${suffix}; done
581 for v; do echo ${v%$suffix}; done
596 eval : \${$var:=$value}
601 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
607 eval $(sanitize_var_name "$var")='$*'
611 eval echo \$$(sanitize_var_name "$1")
616 eval level=\${${pvar}_level:=0}
617 eval ${pvar}_${level}="\$$pvar"
618 eval ${pvar}_level=$(($level+1))
624 eval level=\${${pvar}_level:-0}
625 test $level = 0 && continue
626 eval level=$(($level-1))
627 eval $pvar="\${${pvar}_${level}}"
628 eval ${pvar}_level=$level
629 eval unset ${pvar}_${level}
635 eval ${var}_requested=yes
658 enable $(sanitize_var_name $var)
664 disable $(sanitize_var_name $var)
670 enabled $var && continue
671 eval sel="\$${var}_select"
672 eval sgs="\$${var}_suggest"
676 enable_deep_weak $sgs
688 disabled $var && continue
697 test "${1#!}" = "$1" && op="=" || op="!="
698 eval test "x\$${1#!}_requested" $op "xyes"
702 test "${1#!}" = "$1" && op="=" || op="!="
703 eval test "x\$${1#!}" $op "xyes"
707 test "${1#!}" = "$1" && op="=" || op="!="
708 eval test "x\$${1#!}" $op "xno"
713 enabled $opt || return 1
719 disabled $opt || return 1
725 enabled $opt && return 0
731 disabled $opt && return 0
738 eval : \${$opt:=\$${opt}_default}
746 [ $var = $value ] && return 0
753 enabled ${cfg}_checking && die "Circular dependency for $cfg."
754 disabled ${cfg}_checking && continue
755 enable ${cfg}_checking
757 eval dep_all="\$${cfg}_deps"
758 eval dep_any="\$${cfg}_deps_any"
759 eval dep_con="\$${cfg}_conflict"
760 eval dep_sel="\$${cfg}_select"
761 eval dep_sgs="\$${cfg}_suggest"
762 eval dep_ifa="\$${cfg}_if"
763 eval dep_ifn="\$${cfg}_if_any"
765 pushvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
766 check_deps $dep_all $dep_any $dep_con $dep_sel $dep_sgs $dep_ifa $dep_ifn
767 popvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
769 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
770 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
771 enabled_all $dep_all || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not all dependencies are satisfied: $dep_all"; }
772 enabled_any $dep_any || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not any dependency is satisfied: $dep_any"; }
773 disabled_all $dep_con || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some conflicting dependencies are unsatisfied: $dep_con"; }
774 disabled_any $dep_sel && { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some selected dependency is unsatisfied: $dep_sel"; }
776 enabled $cfg && enable_deep_weak $dep_sel $dep_sgs
778 for dep in $dep_all $dep_any $dep_sel $dep_sgs; do
779 # filter out library deps, these do not belong in extralibs
780 is_in $dep $LIBRARY_LIST && continue
781 enabled $dep && eval append ${cfg}_extralibs ${dep}_extralibs
784 disable ${cfg}_checking
792 map 'eval echo "$v \${$v:-no}"' "$@" |
793 awk "BEGIN { split(\"$files\", files) }
795 c = \"$pfx\" toupper(\$1);
801 if (file ~ /\\.h\$/) {
802 printf(\"#define %s %d\\n\", c, v) >>file;
803 } else if (file ~ /\\.asm\$/) {
804 printf(\"%%define %s %d\\n\", c, v) >>file;
805 } else if (file ~ /\\.mak\$/) {
806 n = -v ? \"\" : \"!\";
807 printf(\"%s%s=yes\\n\", n, c) >>file;
808 } else if (file ~ /\\.texi\$/) {
809 pre = -v ? \"\" : \"@c \";
812 gsub(/_/, \"-\", c2);
813 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
823 enabled $v && printf "%s\n" ${v%$suf}
830 eval "$var=\"\$$var $*\""
836 eval "$var=\"$* \$$var\""
842 for tok in $(eval echo \$$var); do
843 uniq_list="$(filter_out $tok $uniq_list) $tok"
845 eval "$var=\"${uniq_list}\""
851 for entry in $(eval echo \$$var); do
852 tmpvar="$tmpvar $(eval echo \$${entry})"
854 eval "$var=\"${tmpvar}\""
862 append CFLAGS $($cflags_filter "$@")
865 add_cflags_headers(){
866 append CFLAGS_HEADERS $($cflags_filter "$@")
870 append CXXFLAGS $($cflags_filter "$@")
874 append ASFLAGS $($asflags_filter "$@")
878 append OBJCFLAGS $($objcflags_filter "$@")
882 append LDFLAGS $($ldflags_filter "$@")
886 append LDEXEFLAGS $($ldflags_filter "$@")
890 append LDSOFLAGS $($ldflags_filter "$@")
894 append ASMSTRIPFLAGS "$@"
898 prepend extralibs $($ldflags_filter "$@")
902 append host_cppflags "$@"
906 append host_cflags $($host_cflags_filter "$@")
910 append host_ldflags $($host_ldflags_filter "$@")
914 append compat_objs $1
916 map 'add_cppflags -D$v' "$@"
921 "$@" >> $logfile 2>&1
926 stat "$1" >> $logfile 2>&1
930 eval printf '%s\\n' $CC_O
934 eval printf '%s\\n' $CC_E
941 test_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
948 test_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
955 test_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
962 test_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
966 eval printf '%s\\n' $AS_O
973 test_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
977 eval printf '%s\\n' $X86ASM_O
985 test_cmd $x86asmexe $X86ASMFLAGS -Werror "$@" $(x86asm_o $TMPO) $TMPASM
991 disabled $cmd && return
993 test_cmd $@ && enable $cmd
1002 test_as $@ <<EOF && enable $name
1008 log check_inline_asm "$@"
1013 test_cc "$@" <<EOF && enable $name
1014 void foo(void){ __asm__ volatile($code); }
1018 check_inline_asm_flags(){
1019 log check_inline_asm_flags "$@"
1024 while [ "$1" != "" ]; do
1030 void foo(void){ __asm__ volatile($code); }
1033 test_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&
1034 enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags
1039 check_inline_asm ${1}_inline "$2"
1040 check_as ${1}_external "$2"
1044 log check_x86asm "$@"
1048 test_x86asm "$@" && enable $name
1052 eval printf '%s\\n' $LD_O
1059 flags=$(filter_out '-l*|*.so' $@)
1060 libs=$(filter '-l*|*.so' $@)
1061 test_$type $($cflags_filter $flags) || return
1062 flags=$($ldflags_filter $flags)
1063 libs=$($ldflags_filter $libs)
1064 test_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
1073 test_ld $type $@ && enable $name
1078 test "${hdr%.h}" = "${hdr}" &&
1079 echo "#include $hdr" ||
1080 echo "#include <$hdr>"
1090 for hdr in $headers; do
1093 echo "int main(void) { $code; return 0; }"
1094 } | test_$check "$@"
1098 log check_cppflags "$@"
1099 test_cpp "$@" <<EOF && append CPPFLAGS "$@"
1105 log test_cflags "$@"
1106 set -- $($cflags_filter "$@")
1113 log check_cflags "$@"
1114 test_cflags "$@" && add_cflags "$@"
1118 log check_cxxflags "$@"
1119 set -- $($cflags_filter "$@")
1120 test_cxx "$@" <<EOF && append CXXFLAGS "$@"
1126 log test_objcflags "$@"
1127 set -- $($objcflags_filter "$@")
1128 test_objcc "$@" <<EOF
1134 log check_objcflags "$@"
1135 test_objcflags "$@" && add_objcflags "$@"
1139 log test_ldflags "$@"
1140 set -- $($ldflags_filter "$@")
1141 test_ld "cc" "$@" <<EOF
1142 int main(void){ return 0; }
1147 log check_ldflags "$@"
1148 test_ldflags "$@" && add_ldflags "$@"
1152 log test_stripflags "$@"
1153 # call test_cc to get a fresh TMPO
1155 int main(void) { return 0; }
1157 test_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1161 log check_stripflags "$@"
1162 test_stripflags "$@" && add_stripflags "$@"
1166 log check_header "$@"
1169 disable_sanitized $headers
1171 for hdr in $headers; do
1175 } | test_cpp "$@" && enable_sanitized $headers
1178 check_header_objcc(){
1179 log check_header_objcc "$@"
1183 disable_sanitized $header
1185 echo "#include <$header>"
1186 echo "int main(void) { return 0; }"
1187 } | test_objcc && test_stat "$TMPO" && enable_sanitized $header
1190 check_apple_framework(){
1191 log check_apple_framework "$@"
1193 name="$(tolower $framework)"
1194 header="${framework}/${framework}.h"
1196 check_header_objcc $header &&
1197 enable $name && eval ${name}_extralibs='"-framework $framework"'
1205 test_ld "cc" "$@" <<EOF && enable $func
1207 int main(void){ $func(); }
1211 check_complexfunc(){
1212 log check_complexfunc "$@"
1216 test $narg = 2 && args="f, g" || args="f * I"
1218 test_ld "cc" "$@" <<EOF && enable $func
1219 #include <complex.h>
1221 float foo(complex float f, complex float g) { return $func($args); }
1222 int main(void){ return (int) foo; }
1227 log check_mathfunc "$@"
1231 test $narg = 2 && args="f, g" || args="f"
1233 test_ld "cc" "$@" <<EOF && enable $func
1235 float foo(float f, float g) { return $func($args); }
1236 int main(void){ return (int) foo; }
1240 check_func_headers(){
1241 log check_func_headers "$@"
1246 for hdr in $headers; do
1249 echo "#include <stdint.h>"
1250 for func in $funcs; do
1251 echo "long check_$func(void) { return (long) $func; }"
1253 echo "int main(void) { int ret = 0;"
1254 # LTO could optimize out the test functions without this
1255 for func in $funcs; do
1256 echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"
1258 echo "return ret; }"
1259 } | test_ld "cc" "$@" && enable $funcs && enable_sanitized $headers
1262 check_class_headers_cpp(){
1263 log check_class_headers_cpp "$@"
1268 for hdr in $headers; do
1269 echo "#include <$hdr>"
1271 echo "int main(void) { "
1273 for class in $classes; do
1274 echo "$class obj$i;"
1278 } | test_ld "cxx" "$@" && enable $funcs && enable_sanitized $headers
1281 test_cpp_condition(){
1282 log test_cpp_condition "$@"
1289 #error "unsatisfied condition: $condition"
1294 check_cpp_condition(){
1295 log check_cpp_condition "$@"
1299 test_cpp_condition "$@" && enable $name
1303 log test_cflags_cc "$@"
1308 set -- $($cflags_filter "$flags")
1312 #error "unsatisfied condition: $condition"
1324 check_func_headers "$headers" "$funcs" "$@" &&
1325 enable $name && eval ${name}_extralibs="\$@"
1329 log check_lib_cpp "$@"
1335 check_class_headers_cpp "$headers" "$classes" "$@" &&
1336 enable $name && eval ${name}_extralibs="\$@"
1340 log test_pkg_config "$@"
1348 test_cmd $pkg_config --exists --print-errors $pkg_version || return
1349 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1350 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1351 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1353 set_sanitized "${name}_cflags" $pkg_cflags &&
1354 set_sanitized "${name}_extralibs" $pkg_libs
1358 log check_pkg_config "$@"
1360 test_pkg_config "$@" &&
1361 eval add_cflags \$${name}_cflags
1365 test_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1369 log check_exec_crash "$@"
1372 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1373 # are safe but may not be available everywhere. Thus we use
1374 # raise(SIGTERM) instead. The check is run in a subshell so we
1375 # can redirect the "Terminated" message from the shell. SIGBUS
1376 # is not defined by standard C so it is used conditionally.
1378 (test_exec "$@") >> $logfile 2>&1 <<EOF
1380 static void sighandler(int sig){
1386 int (*func_ptr)(void) = foo;
1388 signal(SIGILL, sighandler);
1389 signal(SIGFPE, sighandler);
1390 signal(SIGSEGV, sighandler);
1392 signal(SIGBUS, sighandler);
1404 disable_sanitized "$type"
1405 test_code cc "$headers" "$type v" "$@" && enable_sanitized "$type"
1409 log check_struct "$@"
1414 disable_sanitized "${struct}_${member}"
1415 test_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1416 enable_sanitized "${struct}_${member}"
1420 log check_builtin "$@"
1426 test_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1429 check_compile_assert(){
1430 log check_compile_assert "$@"
1436 test_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1444 test_code cc "$@" && enable "$name"
1452 check_lib $name "$@" || die "ERROR: $name_version not found"
1459 test_code cc "$@" || die "ERROR: $name failed"
1467 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1471 log require_header "$@"
1473 check_header "$@" || die "ERROR: $headers not found"
1476 require_cpp_condition(){
1477 log require_cpp_condition "$@"
1479 test_cpp_condition "$@" || die "ERROR: $condition not satisfied"
1482 require_pkg_config(){
1483 log require_pkg_config "$@"
1485 check_pkg_config "$@" || die "ERROR: $pkg_version not found using pkg-config$pkg_config_fail_message"
1489 eval printf '%s\\n' $HOSTCC_E
1493 eval printf '%s\\n' $HOSTCC_O
1497 log test_host_cc "$@"
1500 test_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1504 log test_host_cpp "$@"
1507 test_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1510 check_host_cppflags(){
1511 log check_host_cppflags "$@"
1512 test_host_cpp "$@" <<EOF && append host_cppflags "$@"
1517 check_host_cflags(){
1518 log check_host_cflags "$@"
1519 set -- $($host_cflags_filter "$@")
1520 test_host_cc "$@" <<EOF && append host_cflags "$@"
1525 test_host_cpp_condition(){
1526 log test_host_cpp_condition "$@"
1530 test_host_cpp "$@" <<EOF
1533 #error "unsatisfied condition: $condition"
1538 check_host_cpp_condition(){
1539 log check_host_cpp_condition "$@"
1543 test_host_cpp_condition "$@" && enable $name
1547 cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1548 mkdir -p "$(dirname $2)"
1552 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1553 # system-dependent things.
1555 AVCODEC_COMPONENTS="
1563 AVDEVICE_COMPONENTS="
1568 AVFILTER_COMPONENTS="
1572 AVFORMAT_COMPONENTS="
1580 $AVDEVICE_COMPONENTS
1581 $AVFILTER_COMPONENTS
1582 $AVFORMAT_COMPONENTS
1586 avio_dir_cmd_example
1587 avio_reading_example
1588 decode_audio_example
1589 decode_video_example
1590 demuxing_decoding_example
1591 encode_audio_example
1592 encode_video_example
1594 filter_audio_example
1595 filtering_audio_example
1596 filtering_video_example
1597 http_multiclient_example
1603 resampling_audio_example
1604 scaling_video_example
1605 transcode_aac_example
1607 vaapi_encode_example
1608 vaapi_transcode_example
1611 EXTERNAL_AUTODETECT_LIBRARY_LIST="
1631 EXTERNAL_LIBRARY_GPL_LIST="
1643 EXTERNAL_LIBRARY_NONFREE_LIST="
1651 EXTERNAL_LIBRARY_VERSION3_LIST="
1660 EXTERNAL_LIBRARY_GPLV3_LIST="
1664 EXTERNAL_LIBRARY_LIST="
1665 $EXTERNAL_LIBRARY_GPL_LIST
1666 $EXTERNAL_LIBRARY_NONFREE_LIST
1667 $EXTERNAL_LIBRARY_VERSION3_LIST
1668 $EXTERNAL_LIBRARY_GPLV3_LIST
1729 HWACCEL_AUTODETECT_LIBRARY_LIST="
1747 # catchall list of things that require external libs to link
1753 HWACCEL_LIBRARY_NONFREE_LIST="
1758 HWACCEL_LIBRARY_LIST="
1759 $HWACCEL_LIBRARY_NONFREE_LIST
1780 safe_bitstream_reader
1826 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1830 $EXTERNAL_LIBRARY_LIST
1831 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1832 $HWACCEL_LIBRARY_LIST
1833 $HWACCEL_AUTODETECT_LIBRARY_LIST
1865 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1866 $HWACCEL_AUTODETECT_LIBRARY_LIST
1908 ARCH_EXT_LIST_MIPS="
1920 ARCH_EXT_LIST_LOONGSON="
1926 ARCH_EXT_LIST_X86_SIMD="
1956 $ARCH_EXT_LIST_X86_SIMD
1966 $ARCH_EXT_LIST_LOONGSON
1987 sync_val_compare_and_swap
2004 cdio_paranoia_paranoia_h
2007 dev_bktr_ioctl_bt848_h
2008 dev_bktr_ioctl_meteor_h
2010 dev_video_bktr_ioctl_bt848_h
2011 dev_video_meteor_ioctl_meteor_h
2019 machine_ioctl_bt848_h
2020 machine_ioctl_meteor_h
2022 opencv2_core_core_c_h
2084 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
2102 GetProcessAffinityMask
2103 GetProcessMemoryInfo
2106 GetSystemTimeAsFileTime
2129 SetConsoleTextAttribute
2130 SetConsoleCtrlHandler
2138 UTGetOSTypeFromString
2150 TOOLCHAIN_FEATURES="
2163 inline_asm_direct_symbol_refs
2165 inline_asm_nonlocal_labels
2176 kCMVideoCodecType_HEVC
2179 struct_group_source_req
2180 struct_ip_mreq_source
2182 struct_msghdr_msg_flags
2184 struct_rusage_ru_maxrss
2185 struct_sctp_event_subscribe
2187 struct_sockaddr_sa_len
2188 struct_sockaddr_storage
2189 struct_stat_st_mtim_tv_nsec
2190 struct_v4l2_frmivalenum_discrete
2195 $(add_suffix _external $ARCH_EXT_LIST)
2196 $(add_suffix _inline $ARCH_EXT_LIST)
2217 opencl_vaapi_beignet
2218 opencl_vaapi_intel_media
2224 # options emitted with CONFIG_ prefix but not available on the command line
2246 frame_thread_encoder
2402 # code dependency declarations
2404 # architecture extensions
2409 armv8_deps="aarch64"
2410 neon_deps_any="aarch64 arm"
2411 intrinsics_neon_deps="neon"
2412 vfp_deps_any="aarch64 arm"
2416 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2425 loongson2_deps="mips"
2426 loongson3_deps="mips"
2427 mips32r2_deps="mips"
2428 mips32r5_deps="mips"
2429 mips32r6_deps="mips"
2430 mips64r2_deps="mips"
2431 mips64r6_deps="mips"
2434 mipsdspr2_deps="mips"
2439 x86_64_select="i686"
2440 x86_64_suggest="fast_cmov"
2443 amd3dnowext_deps="amd3dnow"
2461 mmx_external_deps="x86asm"
2462 mmx_inline_deps="inline_asm x86"
2463 mmx_suggest="mmx_external mmx_inline"
2465 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2466 eval dep=\$${ext}_deps
2467 eval ${ext}_external_deps='"${dep}_external"'
2468 eval ${ext}_inline_deps='"${dep}_inline"'
2469 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2472 aligned_stack_if_any="aarch64 ppc x86"
2473 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2474 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2475 fast_unaligned_if_any="aarch64 ppc x86"
2476 simd_align_16_if_any="altivec neon sse"
2477 simd_align_32_if_any="avx"
2478 simd_align_64_if_any="avx512"
2480 # system capabilities
2481 symver_if_any="symver_asm_label symver_gnu_asm"
2482 valgrind_backtrace_conflict="optimizations"
2483 valgrind_backtrace_deps="valgrind_valgrind_h"
2486 atomics_gcc_if="sync_val_compare_and_swap"
2487 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2488 atomics_win32_if="MemoryBarrier"
2489 atomics_native_if_any="$ATOMICS_LIST"
2490 w32threads_deps="atomics_native"
2491 threads_if_any="$THREADS_LIST"
2494 cbs_h264_select="cbs golomb"
2495 cbs_h265_select="cbs golomb"
2496 cbs_mpeg2_select="cbs"
2498 dirac_parse_select="golomb"
2499 error_resilience_select="me_cmp"
2501 faandct_select="fdctdsp"
2502 faanidct_deps="faan"
2503 faanidct_select="idctdsp"
2504 h264dsp_select="startcode"
2505 hevcparse_select="golomb"
2506 frame_thread_encoder_deps="encoders threads"
2507 intrax8_select="blockdsp idctdsp"
2510 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2511 mpeg_er_select="error_resilience"
2512 mpegaudio_select="mpegaudiodsp mpegaudioheader"
2513 mpegaudiodsp_select="dct"
2514 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2515 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2516 vc1dsp_select="h264chroma qpeldsp startcode"
2519 # decoders / encoders
2520 aac_decoder_select="adts_header mdct15 mdct sinewin"
2521 aac_fixed_decoder_select="adts_header mdct sinewin"
2522 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2523 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2524 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2525 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2526 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2527 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2528 adpcm_g722_decoder_select="g722dsp"
2529 adpcm_g722_encoder_select="g722dsp"
2530 aic_decoder_select="golomb idctdsp"
2531 alac_encoder_select="lpc"
2532 als_decoder_select="bswapdsp"
2533 amrnb_decoder_select="lsp"
2534 amrwb_decoder_select="lsp"
2535 amv_decoder_select="sp5x_decoder exif"
2536 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2537 ape_decoder_select="bswapdsp llauddsp"
2538 apng_decoder_deps="zlib"
2539 apng_encoder_deps="zlib"
2540 apng_encoder_select="llvidencdsp"
2541 aptx_decoder_select="audio_frame_queue"
2542 aptx_encoder_select="audio_frame_queue"
2543 aptx_hd_decoder_select="audio_frame_queue"
2544 aptx_hd_encoder_select="audio_frame_queue"
2545 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2546 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2547 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2548 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2549 atrac1_decoder_select="mdct sinewin"
2550 atrac3_decoder_select="mdct"
2551 atrac3p_decoder_select="mdct sinewin"
2552 avrn_decoder_select="exif jpegtables"
2553 bink_decoder_select="blockdsp hpeldsp"
2554 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2555 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2556 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2557 clearvideo_decoder_select="idctdsp"
2558 cllc_decoder_select="bswapdsp"
2559 comfortnoise_encoder_select="lpc"
2560 cook_decoder_select="audiodsp mdct sinewin"
2561 cscd_decoder_select="lzo"
2562 cscd_decoder_suggest="zlib"
2563 dca_decoder_select="mdct"
2564 dds_decoder_select="texturedsp"
2565 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2566 dnxhd_decoder_select="blockdsp idctdsp"
2567 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2568 dolby_e_decoder_select="mdct"
2569 dvvideo_decoder_select="dvprofile idctdsp"
2570 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2571 dxa_decoder_deps="zlib"
2572 dxv_decoder_select="lzf texturedsp"
2573 eac3_decoder_select="ac3_decoder"
2574 eac3_encoder_select="ac3_encoder"
2575 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2576 eatgq_decoder_select="aandcttables"
2577 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2578 exr_decoder_deps="zlib"
2579 ffv1_decoder_select="rangecoder"
2580 ffv1_encoder_select="rangecoder"
2581 ffvhuff_decoder_select="huffyuv_decoder"
2582 ffvhuff_encoder_select="huffyuv_encoder"
2583 fic_decoder_select="golomb"
2584 flac_decoder_select="flacdsp"
2585 flac_encoder_select="bswapdsp flacdsp lpc"
2586 flashsv2_decoder_deps="zlib"
2587 flashsv2_encoder_deps="zlib"
2588 flashsv_decoder_deps="zlib"
2589 flashsv_encoder_deps="zlib"
2590 flv_decoder_select="h263_decoder"
2591 flv_encoder_select="h263_encoder"
2592 fourxm_decoder_select="blockdsp bswapdsp"
2593 fraps_decoder_select="bswapdsp huffman"
2594 g2m_decoder_deps="zlib"
2595 g2m_decoder_select="blockdsp idctdsp jpegtables"
2596 g729_decoder_select="audiodsp"
2597 h261_decoder_select="mpegvideo"
2598 h261_encoder_select="aandcttables mpegvideoenc"
2599 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2600 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2601 h263i_decoder_select="h263_decoder"
2602 h263p_decoder_select="h263_decoder"
2603 h263p_encoder_select="h263_encoder"
2604 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2605 h264_decoder_suggest="error_resilience"
2606 hap_decoder_select="snappy texturedsp"
2607 hap_encoder_deps="libsnappy"
2608 hap_encoder_select="texturedspenc"
2609 hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"
2610 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2611 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"
2612 iac_decoder_select="imc_decoder"
2613 imc_decoder_select="bswapdsp fft mdct sinewin"
2614 indeo3_decoder_select="hpeldsp"
2615 indeo4_decoder_select="ividsp"
2616 indeo5_decoder_select="ividsp"
2617 interplay_video_decoder_select="hpeldsp"
2618 jpegls_decoder_select="mjpeg_decoder"
2619 jv_decoder_select="blockdsp"
2620 lagarith_decoder_select="llviddsp"
2621 ljpeg_encoder_select="aandcttables idctdsp jpegtables mpegvideoenc"
2622 magicyuv_decoder_select="llviddsp"
2623 magicyuv_encoder_select="llvidencdsp"
2624 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2625 metasound_decoder_select="lsp mdct sinewin"
2626 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2627 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2628 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2629 mjpegb_decoder_select="mjpeg_decoder"
2630 mlp_decoder_select="mlp_parser"
2631 mlp_encoder_select="lpc"
2632 motionpixels_decoder_select="bswapdsp"
2633 mp1_decoder_select="mpegaudio"
2634 mp1float_decoder_select="mpegaudio"
2635 mp2_decoder_select="mpegaudio"
2636 mp2float_decoder_select="mpegaudio"
2637 mp3_decoder_select="mpegaudio"
2638 mp3adu_decoder_select="mpegaudio"
2639 mp3adufloat_decoder_select="mpegaudio"
2640 mp3float_decoder_select="mpegaudio"
2641 mp3on4_decoder_select="mpegaudio"
2642 mp3on4float_decoder_select="mpegaudio"
2643 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2644 mpc8_decoder_select="mpegaudiodsp"
2645 mpegvideo_decoder_select="mpegvideo"
2646 mpeg1video_decoder_select="mpegvideo"
2647 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2648 mpeg2video_decoder_select="mpegvideo"
2649 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2650 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2651 mpeg4_encoder_select="h263_encoder"
2652 msa1_decoder_select="mss34dsp"
2653 mscc_decoder_deps="zlib"
2654 msmpeg4v1_decoder_select="h263_decoder"
2655 msmpeg4v2_decoder_select="h263_decoder"
2656 msmpeg4v2_encoder_select="h263_encoder"
2657 msmpeg4v3_decoder_select="h263_decoder"
2658 msmpeg4v3_encoder_select="h263_encoder"
2659 mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"
2660 mts2_decoder_select="mss34dsp"
2661 mxpeg_decoder_select="mjpeg_decoder"
2662 nellymoser_decoder_select="mdct sinewin"
2663 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2664 nuv_decoder_select="idctdsp lzo"
2665 on2avc_decoder_select="mdct"
2666 opus_decoder_deps="swresample"
2667 opus_decoder_select="mdct15"
2668 opus_encoder_select="audio_frame_queue mdct15"
2669 png_decoder_deps="zlib"
2670 png_encoder_deps="zlib"
2671 png_encoder_select="llvidencdsp"
2672 prores_decoder_select="blockdsp idctdsp"
2673 prores_encoder_select="fdctdsp"
2674 qcelp_decoder_select="lsp"
2675 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2676 ra_144_decoder_select="audiodsp"
2677 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2678 ralf_decoder_select="golomb"
2679 rawvideo_decoder_select="bswapdsp"
2680 rscc_decoder_deps="zlib"
2681 rtjpeg_decoder_select="me_cmp"
2682 rv10_decoder_select="h263_decoder"
2683 rv10_encoder_select="h263_encoder"
2684 rv20_decoder_select="h263_decoder"
2685 rv20_encoder_select="h263_encoder"
2686 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2687 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2688 screenpresso_decoder_deps="zlib"
2689 shorten_decoder_select="bswapdsp"
2690 sipr_decoder_select="lsp"
2691 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2692 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2693 sonic_decoder_select="golomb rangecoder"
2694 sonic_encoder_select="golomb rangecoder"
2695 sonic_ls_encoder_select="golomb rangecoder"
2696 sp5x_decoder_select="mjpeg_decoder"
2697 srgc_decoder_deps="zlib"
2698 svq1_decoder_select="hpeldsp"
2699 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2700 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2701 svq3_decoder_suggest="zlib"
2702 tak_decoder_select="audiodsp"
2703 tdsc_decoder_deps="zlib"
2704 tdsc_decoder_select="mjpeg_decoder"
2705 theora_decoder_select="vp3_decoder"
2706 thp_decoder_select="mjpeg_decoder"
2707 tiff_decoder_suggest="zlib lzma"
2708 tiff_encoder_suggest="zlib"
2709 truehd_decoder_select="mlp_parser"
2710 truehd_encoder_select="lpc"
2711 truemotion2_decoder_select="bswapdsp"
2712 truespeech_decoder_select="bswapdsp"
2713 tscc_decoder_deps="zlib"
2714 twinvq_decoder_select="mdct lsp sinewin"
2715 txd_decoder_select="texturedsp"
2716 utvideo_decoder_select="bswapdsp llviddsp"
2717 utvideo_encoder_select="bswapdsp huffman llvidencdsp"
2718 vble_decoder_select="llviddsp"
2719 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2720 vc1image_decoder_select="vc1_decoder"
2721 vorbis_decoder_select="mdct"
2722 vorbis_encoder_select="audio_frame_queue mdct"
2723 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2724 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2725 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2726 vp6a_decoder_select="vp6_decoder"
2727 vp6f_decoder_select="vp6_decoder"
2728 vp7_decoder_select="h264pred videodsp vp8dsp"
2729 vp8_decoder_select="h264pred videodsp vp8dsp"
2730 vp9_decoder_select="videodsp vp9_parser vp9_superframe_split_bsf"
2731 webp_decoder_select="vp8_decoder exif"
2732 wmalossless_decoder_select="llauddsp"
2733 wmapro_decoder_select="mdct sinewin wma_freqs"
2734 wmav1_decoder_select="mdct sinewin wma_freqs"
2735 wmav1_encoder_select="mdct sinewin wma_freqs"
2736 wmav2_decoder_select="mdct sinewin wma_freqs"
2737 wmav2_encoder_select="mdct sinewin wma_freqs"
2738 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2739 wmv1_decoder_select="h263_decoder"
2740 wmv1_encoder_select="h263_encoder"
2741 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2742 wmv2_encoder_select="h263_encoder wmv2dsp"
2743 wmv3_decoder_select="vc1_decoder"
2744 wmv3image_decoder_select="wmv3_decoder"
2745 xma1_decoder_select="wmapro_decoder"
2746 xma2_decoder_select="wmapro_decoder"
2747 zerocodec_decoder_deps="zlib"
2748 zlib_decoder_deps="zlib"
2749 zlib_encoder_deps="zlib"
2750 zmbv_decoder_deps="zlib"
2751 zmbv_encoder_deps="zlib"
2753 # hardware accelerators
2754 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2755 cuda_deps="ffnvcodec"
2756 cuvid_deps="ffnvcodec"
2757 d3d11va_deps="dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2758 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32 user32"
2759 ffnvcodec_deps_any="libdl LoadLibrary"
2760 nvdec_deps="ffnvcodec"
2761 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2762 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2763 xvmc_deps="X11_extensions_XvMClib_h"
2765 h263_vaapi_hwaccel_deps="vaapi"
2766 h263_vaapi_hwaccel_select="h263_decoder"
2767 h263_videotoolbox_hwaccel_deps="videotoolbox"
2768 h263_videotoolbox_hwaccel_select="h263_decoder"
2769 h264_d3d11va_hwaccel_deps="d3d11va"
2770 h264_d3d11va_hwaccel_select="h264_decoder"
2771 h264_d3d11va2_hwaccel_deps="d3d11va"
2772 h264_d3d11va2_hwaccel_select="h264_decoder"
2773 h264_dxva2_hwaccel_deps="dxva2"
2774 h264_dxva2_hwaccel_select="h264_decoder"
2775 h264_nvdec_hwaccel_deps="nvdec"
2776 h264_nvdec_hwaccel_select="h264_decoder"
2777 h264_vaapi_hwaccel_deps="vaapi"
2778 h264_vaapi_hwaccel_select="h264_decoder"
2779 h264_vdpau_hwaccel_deps="vdpau"
2780 h264_vdpau_hwaccel_select="h264_decoder"
2781 h264_videotoolbox_hwaccel_deps="videotoolbox"
2782 h264_videotoolbox_hwaccel_select="h264_decoder"
2783 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2784 hevc_d3d11va_hwaccel_select="hevc_decoder"
2785 hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2786 hevc_d3d11va2_hwaccel_select="hevc_decoder"
2787 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2788 hevc_dxva2_hwaccel_select="hevc_decoder"
2789 hevc_nvdec_hwaccel_deps="nvdec"
2790 hevc_nvdec_hwaccel_select="hevc_decoder"
2791 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2792 hevc_vaapi_hwaccel_select="hevc_decoder"
2793 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2794 hevc_vdpau_hwaccel_select="hevc_decoder"
2795 hevc_videotoolbox_hwaccel_deps="videotoolbox"
2796 hevc_videotoolbox_hwaccel_select="hevc_decoder"
2797 mjpeg_nvdec_hwaccel_deps="nvdec"
2798 mjpeg_nvdec_hwaccel_select="mjpeg_decoder"
2799 mjpeg_vaapi_hwaccel_deps="vaapi"
2800 mjpeg_vaapi_hwaccel_select="mjpeg_decoder"
2801 mpeg_xvmc_hwaccel_deps="xvmc"
2802 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2803 mpeg1_nvdec_hwaccel_deps="nvdec"
2804 mpeg1_nvdec_hwaccel_select="mpeg1video_decoder"
2805 mpeg1_vdpau_hwaccel_deps="vdpau"
2806 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2807 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2808 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2809 mpeg1_xvmc_hwaccel_deps="xvmc"
2810 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2811 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2812 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2813 mpeg2_d3d11va2_hwaccel_deps="d3d11va"
2814 mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"
2815 mpeg2_dxva2_hwaccel_deps="dxva2"
2816 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2817 mpeg2_nvdec_hwaccel_deps="nvdec"
2818 mpeg2_nvdec_hwaccel_select="mpeg2video_decoder"
2819 mpeg2_vaapi_hwaccel_deps="vaapi"
2820 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2821 mpeg2_vdpau_hwaccel_deps="vdpau"
2822 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2823 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2824 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2825 mpeg2_xvmc_hwaccel_deps="xvmc"
2826 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2827 mpeg4_nvdec_hwaccel_deps="nvdec"
2828 mpeg4_nvdec_hwaccel_select="mpeg4_decoder"
2829 mpeg4_vaapi_hwaccel_deps="vaapi"
2830 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2831 mpeg4_vdpau_hwaccel_deps="vdpau"
2832 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2833 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2834 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2835 vc1_d3d11va_hwaccel_deps="d3d11va"
2836 vc1_d3d11va_hwaccel_select="vc1_decoder"
2837 vc1_d3d11va2_hwaccel_deps="d3d11va"
2838 vc1_d3d11va2_hwaccel_select="vc1_decoder"
2839 vc1_dxva2_hwaccel_deps="dxva2"
2840 vc1_dxva2_hwaccel_select="vc1_decoder"
2841 vc1_nvdec_hwaccel_deps="nvdec"
2842 vc1_nvdec_hwaccel_select="vc1_decoder"
2843 vc1_vaapi_hwaccel_deps="vaapi"
2844 vc1_vaapi_hwaccel_select="vc1_decoder"
2845 vc1_vdpau_hwaccel_deps="vdpau"
2846 vc1_vdpau_hwaccel_select="vc1_decoder"
2847 vp8_nvdec_hwaccel_deps="nvdec"
2848 vp8_nvdec_hwaccel_select="vp8_decoder"
2849 vp8_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferVP8"
2850 vp8_vaapi_hwaccel_select="vp8_decoder"
2851 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2852 vp9_d3d11va_hwaccel_select="vp9_decoder"
2853 vp9_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2854 vp9_d3d11va2_hwaccel_select="vp9_decoder"
2855 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2856 vp9_dxva2_hwaccel_select="vp9_decoder"
2857 vp9_nvdec_hwaccel_deps="nvdec"
2858 vp9_nvdec_hwaccel_select="vp9_decoder"
2859 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"
2860 vp9_vaapi_hwaccel_select="vp9_decoder"
2861 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2862 wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"
2863 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2864 wmv3_nvdec_hwaccel_select="vc1_nvdec_hwaccel"
2865 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2866 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2868 # hardware-accelerated codecs
2869 omx_deps="libdl pthreads"
2870 omx_rpi_select="omx"
2875 vaapi_encode_deps="vaapi"
2876 v4l2_m2m_deps_any="linux_videodev2_h"
2878 hwupload_cuda_filter_deps="ffnvcodec"
2879 scale_npp_filter_deps="ffnvcodec libnpp"
2880 scale_cuda_filter_deps="cuda_sdk"
2881 thumbnail_cuda_filter_deps="cuda_sdk"
2883 amf_deps_any="libdl LoadLibrary"
2884 nvenc_deps="ffnvcodec"
2885 nvenc_deps_any="libdl LoadLibrary"
2886 nvenc_encoder_deps="nvenc"
2888 h263_v4l2m2m_decoder_deps="v4l2_m2m h263_v4l2_m2m"
2889 h263_v4l2m2m_encoder_deps="v4l2_m2m h263_v4l2_m2m"
2890 h264_amf_encoder_deps="amf"
2891 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2892 h264_cuvid_decoder_deps="cuvid"
2893 h264_cuvid_decoder_select="h264_mp4toannexb_bsf"
2894 h264_mediacodec_decoder_deps="mediacodec"
2895 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2896 h264_mmal_decoder_deps="mmal"
2897 h264_nvenc_encoder_deps="nvenc"
2898 h264_omx_encoder_deps="omx"
2899 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec"
2900 h264_qsv_encoder_select="qsvenc"
2901 h264_rkmpp_decoder_deps="rkmpp"
2902 h264_rkmpp_decoder_select="h264_mp4toannexb_bsf"
2903 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2904 h264_vaapi_encoder_select="cbs_h264 vaapi_encode"
2905 h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m"
2906 h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"
2907 hevc_amf_encoder_deps="amf"
2908 hevc_cuvid_decoder_deps="cuvid"
2909 hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"
2910 hevc_mediacodec_decoder_deps="mediacodec"
2911 hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"
2912 hevc_nvenc_encoder_deps="nvenc"
2913 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec"
2914 hevc_qsv_encoder_select="hevcparse qsvenc"
2915 hevc_rkmpp_decoder_deps="rkmpp"
2916 hevc_rkmpp_decoder_select="hevc_mp4toannexb_bsf"
2917 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2918 hevc_vaapi_encoder_select="cbs_h265 vaapi_encode"
2919 hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"
2920 hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"
2921 mjpeg_cuvid_decoder_deps="cuvid"
2922 mjpeg_qsv_encoder_deps="libmfx"
2923 mjpeg_qsv_encoder_select="qsvenc"
2924 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2925 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2926 mpeg1_cuvid_decoder_deps="cuvid"
2927 mpeg1_v4l2m2m_decoder_deps="v4l2_m2m mpeg1_v4l2_m2m"
2928 mpeg2_crystalhd_decoder_select="crystalhd"
2929 mpeg2_cuvid_decoder_deps="cuvid"
2930 mpeg2_mmal_decoder_deps="mmal"
2931 mpeg2_mediacodec_decoder_deps="mediacodec"
2932 mpeg2_qsv_decoder_select="qsvdec mpegvideo_parser"
2933 mpeg2_qsv_encoder_select="qsvenc"
2934 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2935 mpeg2_vaapi_encoder_select="cbs_mpeg2 vaapi_encode"
2936 mpeg2_v4l2m2m_decoder_deps="v4l2_m2m mpeg2_v4l2_m2m"
2937 mpeg4_crystalhd_decoder_select="crystalhd"
2938 mpeg4_cuvid_decoder_deps="cuvid"
2939 mpeg4_mediacodec_decoder_deps="mediacodec"
2940 mpeg4_mmal_decoder_deps="mmal"
2941 mpeg4_omx_encoder_deps="omx"
2942 mpeg4_v4l2m2m_decoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2943 mpeg4_v4l2m2m_encoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2944 msmpeg4_crystalhd_decoder_select="crystalhd"
2945 nvenc_h264_encoder_select="h264_nvenc_encoder"
2946 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2947 vc1_crystalhd_decoder_select="crystalhd"
2948 vc1_cuvid_decoder_deps="cuvid"
2949 vc1_mmal_decoder_deps="mmal"
2950 vc1_qsv_decoder_select="qsvdec vc1_parser"
2951 vc1_v4l2m2m_decoder_deps="v4l2_m2m vc1_v4l2_m2m"
2952 vp8_cuvid_decoder_deps="cuvid"
2953 vp8_mediacodec_decoder_deps="mediacodec"
2954 vp8_qsv_decoder_select="qsvdec vp8_parser"
2955 vp8_rkmpp_decoder_deps="rkmpp"
2956 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2957 vp8_vaapi_encoder_select="vaapi_encode"
2958 vp8_v4l2m2m_decoder_deps="v4l2_m2m vp8_v4l2_m2m"
2959 vp8_v4l2m2m_encoder_deps="v4l2_m2m vp8_v4l2_m2m"
2960 vp9_cuvid_decoder_deps="cuvid"
2961 vp9_mediacodec_decoder_deps="mediacodec"
2962 vp9_rkmpp_decoder_deps="rkmpp"
2963 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
2964 vp9_vaapi_encoder_select="vaapi_encode"
2965 vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m"
2966 wmv3_crystalhd_decoder_select="crystalhd"
2969 aac_parser_select="adts_header"
2970 h264_parser_select="golomb h264dsp h264parse"
2971 hevc_parser_select="hevcparse"
2972 mpegaudio_parser_select="mpegaudioheader"
2973 mpegvideo_parser_select="mpegvideo"
2974 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2975 vc1_parser_select="vc1dsp"
2978 aac_adtstoasc_bsf_select="adts_header"
2979 filter_units_bsf_select="cbs"
2980 h264_metadata_bsf_deps="const_nan"
2981 h264_metadata_bsf_select="cbs_h264"
2982 h264_redundant_pps_bsf_select="cbs_h264"
2983 hevc_metadata_bsf_select="cbs_h265"
2984 mjpeg2jpeg_bsf_select="jpegtables"
2985 mpeg2_metadata_bsf_select="cbs_mpeg2"
2986 trace_headers_bsf_select="cbs"
2988 # external libraries
2989 aac_at_decoder_deps="audiotoolbox"
2990 aac_at_decoder_select="aac_adtstoasc_bsf"
2991 ac3_at_decoder_deps="audiotoolbox"
2992 ac3_at_decoder_select="ac3_parser"
2993 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
2994 alac_at_decoder_deps="audiotoolbox"
2995 amr_nb_at_decoder_deps="audiotoolbox"
2996 avisynth_deps_any="libdl LoadLibrary"
2997 avisynth_demuxer_deps="avisynth"
2998 avisynth_demuxer_select="riffdec"
2999 eac3_at_decoder_deps="audiotoolbox"
3000 eac3_at_decoder_select="ac3_parser"
3001 gsm_ms_at_decoder_deps="audiotoolbox"
3002 ilbc_at_decoder_deps="audiotoolbox"
3003 mp1_at_decoder_deps="audiotoolbox"
3004 mp2_at_decoder_deps="audiotoolbox"
3005 mp3_at_decoder_deps="audiotoolbox"
3006 mp1_at_decoder_select="mpegaudioheader"
3007 mp2_at_decoder_select="mpegaudioheader"
3008 mp3_at_decoder_select="mpegaudioheader"
3009 pcm_alaw_at_decoder_deps="audiotoolbox"
3010 pcm_mulaw_at_decoder_deps="audiotoolbox"
3011 qdmc_at_decoder_deps="audiotoolbox"
3012 qdm2_at_decoder_deps="audiotoolbox"
3013 aac_at_encoder_deps="audiotoolbox"
3014 aac_at_encoder_select="audio_frame_queue"
3015 alac_at_encoder_deps="audiotoolbox"
3016 alac_at_encoder_select="audio_frame_queue"
3017 ilbc_at_encoder_deps="audiotoolbox"
3018 ilbc_at_encoder_select="audio_frame_queue"
3019 pcm_alaw_at_encoder_deps="audiotoolbox"
3020 pcm_alaw_at_encoder_select="audio_frame_queue"
3021 pcm_mulaw_at_encoder_deps="audiotoolbox"
3022 pcm_mulaw_at_encoder_select="audio_frame_queue"
3023 chromaprint_muxer_deps="chromaprint"
3024 h264_videotoolbox_encoder_deps="pthreads"
3025 h264_videotoolbox_encoder_select="videotoolbox_encoder"
3026 hevc_videotoolbox_encoder_deps="pthreads"
3027 hevc_videotoolbox_encoder_select="videotoolbox_encoder"
3028 libaom_av1_decoder_deps="libaom"
3029 libaom_av1_encoder_deps="libaom"
3030 libcelt_decoder_deps="libcelt"
3031 libcodec2_decoder_deps="libcodec2"
3032 libcodec2_encoder_deps="libcodec2"
3033 libfdk_aac_decoder_deps="libfdk_aac"
3034 libfdk_aac_encoder_deps="libfdk_aac"
3035 libfdk_aac_encoder_select="audio_frame_queue"
3036 libgme_demuxer_deps="libgme"
3037 libgsm_decoder_deps="libgsm"
3038 libgsm_encoder_deps="libgsm"
3039 libgsm_ms_decoder_deps="libgsm"
3040 libgsm_ms_encoder_deps="libgsm"
3041 libilbc_decoder_deps="libilbc"
3042 libilbc_encoder_deps="libilbc"
3043 libkvazaar_encoder_deps="libkvazaar"
3044 libmodplug_demuxer_deps="libmodplug"
3045 libmp3lame_encoder_deps="libmp3lame"
3046 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
3047 libopencore_amrnb_decoder_deps="libopencore_amrnb"
3048 libopencore_amrnb_encoder_deps="libopencore_amrnb"
3049 libopencore_amrnb_encoder_select="audio_frame_queue"
3050 libopencore_amrwb_decoder_deps="libopencore_amrwb"
3051 libopenh264_decoder_deps="libopenh264"
3052 libopenh264_decoder_select="h264_mp4toannexb_bsf"
3053 libopenh264_encoder_deps="libopenh264"
3054 libopenjpeg_decoder_deps="libopenjpeg"
3055 libopenjpeg_encoder_deps="libopenjpeg"
3056 libopenmpt_demuxer_deps="libopenmpt"
3057 libopus_decoder_deps="libopus"
3058 libopus_encoder_deps="libopus"
3059 libopus_encoder_select="audio_frame_queue"
3060 librsvg_decoder_deps="librsvg"
3061 libshine_encoder_deps="libshine"
3062 libshine_encoder_select="audio_frame_queue"
3063 libspeex_decoder_deps="libspeex"
3064 libspeex_encoder_deps="libspeex"
3065 libspeex_encoder_select="audio_frame_queue"
3066 libtheora_encoder_deps="libtheora"
3067 libtwolame_encoder_deps="libtwolame"
3068 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
3069 libvorbis_decoder_deps="libvorbis"
3070 libvorbis_encoder_deps="libvorbis libvorbisenc"
3071 libvorbis_encoder_select="audio_frame_queue"
3072 libvpx_vp8_decoder_deps="libvpx"
3073 libvpx_vp8_encoder_deps="libvpx"
3074 libvpx_vp9_decoder_deps="libvpx"
3075 libvpx_vp9_encoder_deps="libvpx"
3076 libwavpack_encoder_deps="libwavpack"
3077 libwavpack_encoder_select="audio_frame_queue"
3078 libwebp_encoder_deps="libwebp"
3079 libwebp_anim_encoder_deps="libwebp"
3080 libx262_encoder_deps="libx262"
3081 libx264_encoder_deps="libx264"
3082 libx264rgb_encoder_deps="libx264 x264_csp_bgr"
3083 libx264rgb_encoder_select="libx264_encoder"
3084 libx265_encoder_deps="libx265"
3085 libxavs_encoder_deps="libxavs"
3086 libxvid_encoder_deps="libxvid"
3087 libzvbi_teletext_decoder_deps="libzvbi"
3088 videotoolbox_suggest="coreservices"
3089 videotoolbox_deps="corefoundation coremedia corevideo"
3090 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
3093 ac3_demuxer_select="ac3_parser"
3094 aiff_muxer_select="iso_media"
3095 asf_demuxer_select="riffdec"
3096 asf_o_demuxer_select="riffdec"
3097 asf_muxer_select="riffenc"
3098 asf_stream_muxer_select="asf_muxer"
3099 avi_demuxer_select="iso_media riffdec exif"
3100 avi_muxer_select="riffenc"
3101 caf_demuxer_select="iso_media riffdec"
3102 caf_muxer_select="iso_media"
3103 dash_muxer_select="mp4_muxer"
3104 dash_demuxer_deps="libxml2"
3105 dirac_demuxer_select="dirac_parser"
3106 dts_demuxer_select="dca_parser"
3107 dtshd_demuxer_select="dca_parser"
3108 dv_demuxer_select="dvprofile"
3109 dv_muxer_select="dvprofile"
3110 dxa_demuxer_select="riffdec"
3111 eac3_demuxer_select="ac3_parser"
3112 f4v_muxer_select="mov_muxer"
3113 fifo_muxer_deps="threads"
3114 flac_demuxer_select="flac_parser"
3115 hds_muxer_select="flv_muxer"
3116 hls_muxer_select="mpegts_muxer"
3117 hls_muxer_suggest="gcrypt openssl"
3118 image2_alias_pix_demuxer_select="image2_demuxer"
3119 image2_brender_pix_demuxer_select="image2_demuxer"
3120 ipod_muxer_select="mov_muxer"
3121 ismv_muxer_select="mov_muxer"
3122 matroska_audio_muxer_select="matroska_muxer"
3123 matroska_demuxer_select="iso_media riffdec"
3124 matroska_demuxer_suggest="bzlib lzo zlib"
3125 matroska_muxer_select="iso_media riffenc"
3126 mmf_muxer_select="riffenc"
3127 mov_demuxer_select="iso_media riffdec"
3128 mov_demuxer_suggest="zlib"
3129 mov_muxer_select="iso_media riffenc rtpenc_chain"
3130 mp3_demuxer_select="mpegaudio_parser"
3131 mp3_muxer_select="mpegaudioheader"
3132 mp4_muxer_select="mov_muxer"
3133 mpegts_demuxer_select="iso_media"
3134 mpegts_muxer_select="adts_muxer latm_muxer"
3135 mpegtsraw_demuxer_select="mpegts_demuxer"
3136 mxf_d10_muxer_select="mxf_muxer"
3137 mxf_opatom_muxer_select="mxf_muxer"
3138 nut_muxer_select="riffenc"
3139 nuv_demuxer_select="riffdec"
3140 oga_muxer_select="ogg_muxer"
3141 ogg_demuxer_select="dirac_parse"
3142 ogv_muxer_select="ogg_muxer"
3143 opus_muxer_select="ogg_muxer"
3144 psp_muxer_select="mov_muxer"
3145 rtp_demuxer_select="sdp_demuxer"
3146 rtp_muxer_select="golomb"
3147 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
3148 rtsp_demuxer_select="http_protocol rtpdec"
3149 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
3150 sap_demuxer_select="sdp_demuxer"
3151 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
3152 sdp_demuxer_select="rtpdec"
3153 smoothstreaming_muxer_select="ismv_muxer"
3154 spdif_demuxer_select="adts_header"
3155 spdif_muxer_select="adts_header"
3156 spx_muxer_select="ogg_muxer"
3157 swf_demuxer_suggest="zlib"
3158 tak_demuxer_select="tak_parser"
3159 tg2_muxer_select="mov_muxer"
3160 tgp_muxer_select="mov_muxer"
3161 vobsub_demuxer_select="mpegps_demuxer"
3162 w64_demuxer_select="wav_demuxer"
3163 w64_muxer_select="wav_muxer"
3164 wav_demuxer_select="riffdec"
3165 wav_muxer_select="riffenc"
3166 webm_muxer_select="iso_media riffenc"
3167 webm_dash_manifest_demuxer_select="matroska_demuxer"
3168 wtv_demuxer_select="mpegts_demuxer riffdec"
3169 wtv_muxer_select="mpegts_muxer riffenc"
3170 xmv_demuxer_select="riffdec"
3171 xwma_demuxer_select="riffdec"
3174 android_camera_indev_deps="android camera2ndk mediandk pthreads"
3175 android_camera_indev_extralibs="-landroid -lcamera2ndk -lmediandk"
3176 alsa_indev_deps="alsa"
3177 alsa_outdev_deps="alsa"
3178 avfoundation_indev_deps="avfoundation corevideo coremedia pthreads"
3179 avfoundation_indev_suggest="coregraphics applicationservices"
3180 avfoundation_indev_extralibs="-framework Foundation"
3181 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
3182 caca_outdev_deps="libcaca"
3183 decklink_deps_any="libdl LoadLibrary"
3184 decklink_indev_deps="decklink threads"
3185 decklink_indev_extralibs="-lstdc++"
3186 decklink_outdev_deps="decklink threads"
3187 decklink_outdev_extralibs="-lstdc++"
3188 libndi_newtek_indev_deps="libndi_newtek"
3189 libndi_newtek_indev_extralibs="-lndi"
3190 libndi_newtek_outdev_deps="libndi_newtek"
3191 libndi_newtek_outdev_extralibs="-lndi"
3192 dshow_indev_deps="IBaseFilter"
3193 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
3194 fbdev_indev_deps="linux_fb_h"
3195 fbdev_outdev_deps="linux_fb_h"
3196 gdigrab_indev_deps="CreateDIBSection"
3197 gdigrab_indev_extralibs="-lgdi32"
3198 gdigrab_indev_select="bmp_decoder"
3199 iec61883_indev_deps="libiec61883"
3200 jack_indev_deps="libjack"
3201 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
3202 kmsgrab_indev_deps="libdrm"
3203 lavfi_indev_deps="avfilter"
3204 libcdio_indev_deps="libcdio"
3205 libdc1394_indev_deps="libdc1394"
3206 openal_indev_deps="openal"
3207 opengl_outdev_deps="opengl"
3208 oss_indev_deps_any="sys_soundcard_h"
3209 oss_outdev_deps_any="sys_soundcard_h"
3210 pulse_indev_deps="libpulse"
3211 pulse_outdev_deps="libpulse"
3212 sdl2_outdev_deps="sdl2"
3213 sndio_indev_deps="sndio"
3214 sndio_outdev_deps="sndio"
3215 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
3216 v4l2_indev_suggest="libv4l2"
3217 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
3218 v4l2_outdev_suggest="libv4l2"
3219 vfwcap_indev_deps="vfw32 vfwcap_defines"
3220 xcbgrab_indev_deps="libxcb"
3221 xcbgrab_indev_suggest="libxcb_shm libxcb_shape libxcb_xfixes"
3222 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
3223 xv_outdev_extralibs="-lXv -lX11 -lXext"
3226 async_protocol_deps="threads"
3227 bluray_protocol_deps="libbluray"
3228 ffrtmpcrypt_protocol_conflict="librtmp_protocol"
3229 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
3230 ffrtmpcrypt_protocol_select="tcp_protocol"
3231 ffrtmphttp_protocol_conflict="librtmp_protocol"
3232 ffrtmphttp_protocol_select="http_protocol"
3233 ftp_protocol_select="tcp_protocol"
3234 gopher_protocol_select="network"
3235 http_protocol_select="tcp_protocol"
3236 http_protocol_suggest="zlib"
3237 httpproxy_protocol_select="tcp_protocol"
3238 httpproxy_protocol_suggest="zlib"
3239 https_protocol_select="tls_protocol"
3240 https_protocol_suggest="zlib"
3241 icecast_protocol_select="http_protocol"
3242 librtmp_protocol_deps="librtmp"
3243 librtmpe_protocol_deps="librtmp"
3244 librtmps_protocol_deps="librtmp"
3245 librtmpt_protocol_deps="librtmp"
3246 librtmpte_protocol_deps="librtmp"
3247 libsmbclient_protocol_deps="libsmbclient gplv3"
3248 libssh_protocol_deps="libssh"
3249 libtls_conflict="openssl gnutls"
3250 mmsh_protocol_select="http_protocol"
3251 mmst_protocol_select="network"
3252 libsrt_protocol_deps="libsrt"
3253 libsrt_protocol_select="network"
3254 rtmp_protocol_conflict="librtmp_protocol"
3255 rtmp_protocol_select="tcp_protocol"
3256 rtmp_protocol_suggest="zlib"
3257 rtmpe_protocol_select="ffrtmpcrypt_protocol"
3258 rtmpe_protocol_suggest="zlib"
3259 rtmps_protocol_conflict="librtmp_protocol"
3260 rtmps_protocol_select="tls_protocol"
3261 rtmps_protocol_suggest="zlib"
3262 rtmpt_protocol_select="ffrtmphttp_protocol"
3263 rtmpt_protocol_suggest="zlib"
3264 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
3265 rtmpte_protocol_suggest="zlib"
3266 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
3267 rtmpts_protocol_suggest="zlib"
3268 rtp_protocol_select="udp_protocol"
3269 schannel_conflict="openssl gnutls libtls"
3270 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
3271 sctp_protocol_select="network"
3272 securetransport_conflict="openssl gnutls libtls"
3273 srtp_protocol_select="rtp_protocol srtp"
3274 tcp_protocol_select="network"
3275 tls_protocol_deps_any="gnutls openssl schannel securetransport libtls"
3276 tls_protocol_select="tcp_protocol"
3277 udp_protocol_select="network"
3278 udplite_protocol_select="network"
3279 unix_protocol_deps="sys_un_h"
3280 unix_protocol_select="network"
3283 afftfilt_filter_deps="avcodec"
3284 afftfilt_filter_select="fft"
3285 afir_filter_deps="avcodec"
3286 afir_filter_select="fft"
3287 amovie_filter_deps="avcodec avformat"
3288 aresample_filter_deps="swresample"
3289 ass_filter_deps="libass"
3290 atempo_filter_deps="avcodec"
3291 atempo_filter_select="rdft"
3292 avgblur_opencl_filter_deps="opencl"
3293 azmq_filter_deps="libzmq"
3294 blackframe_filter_deps="gpl"
3295 boxblur_filter_deps="gpl"
3296 bs2b_filter_deps="libbs2b"
3297 colormatrix_filter_deps="gpl"
3298 convolution_opencl_filter_deps="opencl"
3299 convolve_filter_deps="avcodec"
3300 convolve_filter_select="fft"
3301 coreimage_filter_deps="coreimage appkit"
3302 coreimage_filter_extralibs="-framework OpenGL"
3303 coreimagesrc_filter_deps="coreimage appkit"
3304 coreimagesrc_filter_extralibs="-framework OpenGL"
3305 cover_rect_filter_deps="avcodec avformat gpl"
3306 cropdetect_filter_deps="gpl"
3307 deconvolve_filter_deps="avcodec"
3308 deconvolve_filter_select="fft"
3309 deinterlace_qsv_filter_deps="libmfx"
3310 deinterlace_vaapi_filter_deps="vaapi"
3311 delogo_filter_deps="gpl"
3312 denoise_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3313 deshake_filter_select="pixelutils"
3314 drawtext_filter_deps="libfreetype"
3315 drawtext_filter_suggest="libfontconfig libfribidi"
3316 elbg_filter_deps="avcodec"
3317 eq_filter_deps="gpl"
3318 fftfilt_filter_deps="avcodec"
3319 fftfilt_filter_select="rdft"
3320 find_rect_filter_deps="avcodec avformat gpl"
3321 firequalizer_filter_deps="avcodec"
3322 firequalizer_filter_select="rdft"
3323 flite_filter_deps="libflite"
3324 framerate_filter_select="pixelutils"
3325 frei0r_filter_deps="frei0r libdl"
3326 frei0r_src_filter_deps="frei0r libdl"
3327 fspp_filter_deps="gpl"
3328 geq_filter_deps="gpl"
3329 histeq_filter_deps="gpl"
3330 hqdn3d_filter_deps="gpl"
3331 interlace_filter_deps="gpl"
3332 kerndeint_filter_deps="gpl"
3333 ladspa_filter_deps="ladspa libdl"
3334 lv2_filter_deps="lv2"
3335 mcdeint_filter_deps="avcodec gpl"
3336 movie_filter_deps="avcodec avformat"
3337 mpdecimate_filter_deps="gpl"
3338 mpdecimate_filter_select="pixelutils"
3339 mptestsrc_filter_deps="gpl"
3340 negate_filter_deps="lut_filter"
3341 nnedi_filter_deps="gpl"
3342 ocr_filter_deps="libtesseract"
3343 ocv_filter_deps="libopencv"
3344 openclsrc_filter_deps="opencl"
3345 overlay_opencl_filter_deps="opencl"
3346 overlay_qsv_filter_deps="libmfx"
3347 overlay_qsv_filter_select="qsvvpp"
3348 owdenoise_filter_deps="gpl"
3349 pan_filter_deps="swresample"
3350 perspective_filter_deps="gpl"
3351 phase_filter_deps="gpl"
3352 pp7_filter_deps="gpl"
3353 pp_filter_deps="gpl postproc"
3354 procamp_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3355 program_opencl_filter_deps="opencl"
3356 pullup_filter_deps="gpl"
3357 removelogo_filter_deps="avcodec avformat swscale"
3358 repeatfields_filter_deps="gpl"
3359 resample_filter_deps="avresample"
3360 rubberband_filter_deps="librubberband"
3361 sab_filter_deps="gpl swscale"
3362 scale2ref_filter_deps="swscale"
3363 scale_filter_deps="swscale"
3364 scale_qsv_filter_deps="libmfx"
3365 select_filter_select="pixelutils"
3366 sharpness_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3367 showcqt_filter_deps="avcodec avformat swscale"
3368 showcqt_filter_suggest="libfontconfig libfreetype"
3369 showcqt_filter_select="fft"
3370 showfreqs_filter_deps="avcodec"
3371 showfreqs_filter_select="fft"
3372 showspectrum_filter_deps="avcodec"
3373 showspectrum_filter_select="fft"
3374 showspectrumpic_filter_deps="avcodec"
3375 showspectrumpic_filter_select="fft"
3376 signature_filter_deps="gpl avcodec avformat"
3377 smartblur_filter_deps="gpl swscale"
3378 sofalizer_filter_deps="libmysofa avcodec"
3379 sofalizer_filter_select="fft"
3380 spectrumsynth_filter_deps="avcodec"
3381 spectrumsynth_filter_select="fft"
3382 spp_filter_deps="gpl avcodec"
3383 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
3384 stereo3d_filter_deps="gpl"
3385 subtitles_filter_deps="avformat avcodec libass"
3386 super2xsai_filter_deps="gpl"
3387 pixfmts_super2xsai_test_deps="super2xsai_filter"
3388 tinterlace_filter_deps="gpl"
3389 tinterlace_merge_test_deps="tinterlace_filter"
3390 tinterlace_pad_test_deps="tinterlace_filter"
3391 tonemap_filter_deps="const_nan"
3392 unsharp_opencl_filter_deps="opencl"
3393 uspp_filter_deps="gpl avcodec"
3394 vaguedenoiser_filter_deps="gpl"
3395 vidstabdetect_filter_deps="libvidstab"
3396 vidstabtransform_filter_deps="libvidstab"
3397 libvmaf_filter_deps="libvmaf pthreads"
3398 zmq_filter_deps="libzmq"
3399 zoompan_filter_deps="swscale"
3400 zscale_filter_deps="libzimg const_nan"
3401 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3402 vpp_qsv_filter_deps="libmfx"
3403 vpp_qsv_filter_select="qsvvpp"
3406 avio_dir_cmd_deps="avformat avutil"
3407 avio_reading_deps="avformat avcodec avutil"
3408 decode_audio_example_deps="avcodec avutil"
3409 decode_video_example_deps="avcodec avutil"
3410 demuxing_decoding_example_deps="avcodec avformat avutil"
3411 encode_audio_example_deps="avcodec avutil"
3412 encode_video_example_deps="avcodec avutil"
3413 extract_mvs_example_deps="avcodec avformat avutil"
3414 filter_audio_example_deps="avfilter avutil"
3415 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3416 filtering_video_example_deps="avfilter avcodec avformat avutil"
3417 http_multiclient_example_deps="avformat avutil fork"
3418 hw_decode_example_deps="avcodec avformat avutil"
3419 metadata_example_deps="avformat avutil"
3420 muxing_example_deps="avcodec avformat avutil swscale"
3421 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
3422 remuxing_example_deps="avcodec avformat avutil"
3423 resampling_audio_example_deps="avutil swresample"
3424 scaling_video_example_deps="avutil swscale"
3425 transcode_aac_example_deps="avcodec avformat swresample"
3426 transcoding_example_deps="avfilter avcodec avformat avutil"
3427 vaapi_encode_example_deps="avcodec avutil h264_vaapi_encoder"
3428 vaapi_transcode_example_deps="avcodec avformat avutil h264_vaapi_encoder"
3431 cpu_init_extralibs="pthreads_extralibs"
3432 cws2fws_extralibs="zlib_extralibs"
3434 # libraries, in linking order
3435 avcodec_deps="avutil"
3436 avcodec_suggest="libm"
3437 avcodec_select="null_bsf"
3438 avdevice_deps="avformat avcodec avutil"
3439 avdevice_suggest="libm"
3440 avfilter_deps="avutil"
3441 avfilter_suggest="libm"
3442 avformat_deps="avcodec avutil"
3443 avformat_suggest="libm network zlib"
3444 avresample_deps="avutil"
3445 avresample_suggest="libm"
3446 avutil_suggest="clock_gettime ffnvcodec libm libdrm libmfx opencl user32 vaapi videotoolbox corefoundation corevideo coremedia wincrypt"
3447 postproc_deps="avutil gpl"
3448 postproc_suggest="libm"
3449 swresample_deps="avutil"
3450 swresample_suggest="libm libsoxr"
3451 swscale_deps="avutil"
3452 swscale_suggest="libm"
3454 avcodec_extralibs="pthreads_extralibs iconv_extralibs"
3455 avfilter_extralibs="pthreads_extralibs"
3456 avutil_extralibs="d3d11va_extralibs nanosleep_extralibs pthreads_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs"
3459 ffmpeg_deps="avcodec avfilter avformat swresample"
3460 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3463 ffmpeg_suggest="ole32 psapi shell32"
3464 ffplay_deps="avcodec avformat swscale swresample sdl2"
3465 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3466 ffplay_suggest="shell32"
3467 ffprobe_deps="avcodec avformat"
3468 ffprobe_suggest="shell32"
3471 podpages_deps="perl"
3472 manpages_deps="perl pod2man"
3473 htmlpages_deps="perl"
3474 htmlpages_deps_any="makeinfo_html texi2html"
3475 txtpages_deps="perl makeinfo"
3476 doc_deps_any="manpages htmlpages podpages txtpages"
3478 # default parameters
3480 logfile="ffbuild/config.log"
3482 # installation paths
3483 prefix_default="/usr/local"
3484 bindir_default='${prefix}/bin'
3485 datadir_default='${prefix}/share/ffmpeg'
3486 docdir_default='${prefix}/share/doc/ffmpeg'
3487 incdir_default='${prefix}/include'
3488 libdir_default='${prefix}/lib'
3489 mandir_default='${prefix}/share/man'
3495 host_cc_default="gcc"
3496 doxygen_default="doxygen"
3498 ln_s_default="ln -s -f"
3500 pkg_config_default=pkg-config
3501 ranlib_default="ranlib"
3502 strip_default="strip"
3503 version_script='--version-script'
3505 x86asmexe_default="nasm"
3506 windres_default="windres"
3508 nvccflags_default="-gencode arch=compute_30,code=sm_30 -O2"
3512 target_os_default=$(tolower $(uname -s))
3513 host_os=$target_os_default
3516 if test "$target_os_default" = aix; then
3517 arch_default=$(uname -p)
3518 strip_default="strip -X32_64"
3520 arch_default=$(uname -m)
3525 # configurable options
3526 enable $PROGRAM_LIST
3527 enable $DOCUMENT_LIST
3528 enable $EXAMPLE_LIST
3529 enable $(filter_out avresample $LIBRARY_LIST)
3535 enable faan faandct faanidct
3536 enable optimizations
3537 enable runtime_cpudetect
3538 enable safe_bitstream_reader
3540 enable swscale_alpha
3541 enable valgrind_backtrace
3543 sws_max_filter_size_default=256
3544 set_default sws_max_filter_size
3546 # internal components are enabled by default
3547 enable $EXTRALIBS_LIST
3549 # Avoid external, non-system, libraries getting enabled by dependency resolution
3550 disable $EXTERNAL_LIBRARY_LIST $HWACCEL_LIBRARY_LIST
3553 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3556 FULLNAME='$(NAME)$(BUILDSUF)'
3557 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3560 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3561 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3562 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3563 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3564 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3565 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3566 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
3593 host_extralibs='-lm'
3594 host_cflags_filter=echo
3595 host_ldflags_filter=echo
3597 target_path='$(CURDIR)'
3599 # since the object filename is not given with the -MM flag, the compiler
3600 # is only able to print the basename, and we must add the path ourselves
3601 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3607 if test -f configure; then
3610 source_path=$(cd $(dirname "$0"); pwd)
3611 case "$source_path" in
3612 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3614 test -e "$source_path/config.h" &&
3615 die "Out of tree builds are impossible with config.h in source dir."
3622 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3628 file=$source_path/$3
3629 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3632 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3634 find_things_extern(){
3637 file=$source_path/$3
3639 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$out/p" "$file"
3642 OUTDEV_LIST=$(find_things_extern muxer AVOutputFormat libavdevice/alldevices.c outdev)
3643 INDEV_LIST=$(find_things_extern demuxer AVInputFormat libavdevice/alldevices.c indev)
3644 MUXER_LIST=$(find_things_extern muxer AVOutputFormat libavformat/allformats.c)
3645 DEMUXER_LIST=$(find_things_extern demuxer AVInputFormat libavformat/allformats.c)
3646 ENCODER_LIST=$(find_things_extern encoder AVCodec libavcodec/allcodecs.c)
3647 DECODER_LIST=$(find_things_extern decoder AVCodec libavcodec/allcodecs.c)
3652 PARSER_LIST=$(find_things_extern parser AVCodecParser libavcodec/parser.c)
3653 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3654 HWACCEL_LIST=$(find_things_extern hwaccel AVHWAccel libavcodec/hwaccels.h)
3655 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3657 AVCODEC_COMPONENTS_LIST="
3665 AVDEVICE_COMPONENTS_LIST="
3670 AVFILTER_COMPONENTS_LIST="
3674 AVFORMAT_COMPONENTS_LIST="
3681 $AVCODEC_COMPONENTS_LIST
3682 $AVDEVICE_COMPONENTS_LIST
3683 $AVFILTER_COMPONENTS_LIST
3684 $AVFORMAT_COMPONENTS_LIST
3687 for n in $COMPONENT_LIST; do
3688 v=$(toupper ${n%s})_LIST
3690 eval ${n}_if_any="\$$v"
3693 enable $ARCH_EXT_LIST
3696 echo "Unknown option \"$1\"."
3697 echo "See $0 --help for available options."
3701 print_in_columns() {
3702 cols=$(expr $ncols / 24)
3703 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3709 echo $* | sed s/$suffix//g | print_in_columns
3721 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3722 echo "prob ${prob:-0.5}"
3730 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3731 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3740 --extra-ldexeflags=*)
3741 add_ldexeflags $optval
3743 --extra-ldsoflags=*)
3744 add_ldsoflags $optval
3746 --extra-ldlibflags=*)
3747 warn "The --extra-ldlibflags option is only provided for compatibility and will be\n"\
3748 "removed in the future. Use --extra-ldsoflags instead."
3749 add_ldsoflags $optval
3752 add_extralibs $optval
3755 disable $INDEV_LIST $OUTDEV_LIST
3758 debuglevel="$optval"
3761 disable $PROGRAM_LIST
3763 --disable-everything)
3764 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3767 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3768 disable $LIBRARY_LIST $PROGRAM_LIST doc
3771 --enable-random|--disable-random)
3772 action=${opt%%-random}
3773 do_random ${action#--} $COMPONENT_LIST
3775 --enable-random=*|--disable-random=*)
3776 action=${opt%%-random=*}
3777 do_random ${action#--} $optval
3782 --enable-*=*|--disable-*=*)
3783 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3784 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3785 eval list=\$$(toupper $thing)_LIST
3786 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3787 list=$(filter "$name" $list)
3788 [ "$list" = "" ] && warn "Option $opt did not match anything"
3791 --enable-yasm|--disable-yasm)
3792 warn "The ${opt} option is only provided for compatibility and will be\n"\
3793 "removed in the future. Use --enable-x86asm / --disable-x86asm instead."
3794 test $opt = --enable-yasm && x86asm=yes || x86asm=no
3797 warn "The --yasmexe option is only provided for compatibility and will be\n"\
3798 "removed in the future. Use --x86asmexe instead."
3801 --enable-?*|--disable-?*)
3802 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3803 if is_in $option $COMPONENT_LIST; then
3804 test $action = disable && action=unset
3805 eval $action \$$(toupper ${option%s})_LIST
3806 elif is_in $option $CMDLINE_SELECT; then
3813 NAME="${opt#--list-}"
3814 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3816 eval show_list $NAME \$$(toupper $NAME)_LIST
3818 --help|-h) show_help
3820 --quiet|-q) quiet=yes
3822 --fatal-warnings) enable fatal_warnings
3825 libfuzzer_path="$optval"
3828 optname="${opt%%=*}"
3829 optname="${optname#--}"
3830 optname=$(echo "$optname" | sed 's/-/_/g')
3831 if is_in $optname $CMDLINE_SET; then
3832 eval $optname='$optval'
3833 elif is_in $optname $CMDLINE_APPEND; then
3834 append $optname "$optval"
3846 if disabled autodetect; then
3848 # Unless iconv is explicitely disabled by the user, we still want to probe
3849 # for the iconv from the libc.
3850 disabled iconv || enable libc_iconv
3852 disable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3853 disable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3855 # Mark specifically enabled, but normally autodetected libraries as requested.
3856 for lib in $AUTODETECT_LIBS; do
3857 enabled $lib && request $lib
3859 #TODO: switch to $AUTODETECT_LIBS when $THREADS_LIST is supported the same way
3860 enable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3861 enable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3863 disabled logging && logfile=/dev/null
3865 # command line configuration sanity checks
3867 # we need to build at least one lib type
3868 if ! enabled_any static shared; then
3870 At least one library type must be built.
3871 Specify --enable-static to build the static libraries or --enable-shared to
3872 build the shared libraries as well. To only build the shared libraries specify
3873 --disable-static in addition to --enable-shared.
3878 die_license_disabled() {
3879 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
3882 die_license_disabled_gpl() {
3883 enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }
3886 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3887 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3889 enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST
3890 map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST
3892 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3894 if enabled nonfree; then
3895 license="nonfree and unredistributable"
3896 elif enabled gplv3; then
3897 license="GPL version 3 or later"
3898 elif enabled lgplv3; then
3899 license="LGPL version 3 or later"
3900 elif enabled gpl; then
3901 license="GPL version 2 or later"
3903 license="LGPL version 2.1 or later"
3906 enabled_all gnutls openssl &&
3907 die "GnuTLS and OpenSSL must not be enabled at the same time."
3909 # Disable all the library-specific components if the library itself
3910 # is disabled, see AVCODEC_LIST and following _LIST variables.
3912 disable_components(){
3913 disabled ${1} && disable $(
3914 eval components="\$$(toupper ${1})_COMPONENTS"
3915 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3919 map 'disable_components $v' $LIBRARY_LIST
3921 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3924 test -n "$valgrind" && toolchain="valgrind-memcheck"
3926 enabled ossfuzz && {
3927 add_cflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer
3928 add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp
3931 case "$toolchain" in
3933 cc_default="${toolchain%-asan}"
3934 add_cflags -fsanitize=address
3935 add_ldflags -fsanitize=address
3938 cc_default="${toolchain%-msan}"
3939 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
3940 add_ldflags -fsanitize=memory
3943 cc_default="${toolchain%-tsan}"
3944 add_cflags -fsanitize=thread -fPIE
3945 add_ldflags -fsanitize=thread -pie
3946 case "$toolchain" in
3954 cc_default="${toolchain%-usan}"
3955 add_cflags -fsanitize=undefined
3956 add_ldflags -fsanitize=undefined
3959 target_exec_default="valgrind"
3960 case "$toolchain" in
3962 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
3965 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3970 # Check whether the current MSVC version needs the C99 converter.
3971 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3972 # support enough of C99 to build ffmpeg. Default to the new
3973 # behaviour if the regexp was unable to match anything, since this
3974 # successfully parses the version number of existing supported
3975 # versions that require the converter (MSVC 2010 and 2012).
3976 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3977 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3981 cc_default="c99wrap cl"
3982 cxx_default="c99wrap cl"
3984 ld_default="$source_path/compat/windows/mslink"
3985 nm_default="dumpbin -symbols"
3989 as_default="armasm64"
3995 target_os_default="win32"
3996 # Use a relative path for TMPDIR. This makes sure all the
3997 # ffconf temp files are written with a relative path, avoiding
3998 # issues with msys/win32 path conversion for MSVC parameters
3999 # such as -Fo<file> or -out:<file>.
4005 nm_default="dumpbin -symbols"
4007 target_os_default="win32"
4011 add_cflags -fprofile-arcs -ftest-coverage
4012 add_ldflags -fprofile-arcs -ftest-coverage
4015 add_cflags -fprofile-arcs -ftest-coverage
4016 add_ldflags --coverage
4019 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
4020 add_cflags -fno-strict-overflow -fstack-protector-all
4021 add_ldflags -Wl,-z,relro -Wl,-z,now
4023 add_ldexeflags -fPIE -pie
4026 die "Unknown toolchain $toolchain"
4030 if test -n "$cross_prefix"; then
4031 test -n "$arch" && test -n "$target_os" ||
4032 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
4033 enable cross_compile
4036 ar_default="${cross_prefix}${ar_default}"
4037 cc_default="${cross_prefix}${cc_default}"
4038 cxx_default="${cross_prefix}${cxx_default}"
4039 nm_default="${cross_prefix}${nm_default}"
4040 pkg_config_default="${cross_prefix}${pkg_config_default}"
4041 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
4042 ranlib_default="${cross_prefix}${ranlib_default} -D"
4044 ranlib_default="${cross_prefix}${ranlib_default}"
4046 strip_default="${cross_prefix}${strip_default}"
4047 windres_default="${cross_prefix}${windres_default}"
4049 sysinclude_default="${sysroot}/usr/include"
4051 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
4052 target_exec target_os x86asmexe nvcc
4053 enabled cross_compile || host_cc_default=$cc
4056 pkg_config_fail_message=""
4057 if ! $pkg_config --version >/dev/null 2>&1; then
4058 warn "$pkg_config not found, library detection may fail."
4060 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
4061 pkg_config_fail_message="
4062 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
4065 if test $doxygen != $doxygen_default && \
4066 ! $doxygen --version >/dev/null 2>&1; then
4067 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
4072 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
4076 EXESUF=$(exesuf $target_os)
4077 HOSTEXESUF=$(exesuf $host_os)
4079 # set temporary file name
4080 : ${TMPDIR:=$TEMPDIR}
4084 if [ -n "$tempprefix" ] ; then
4086 tmpname="$tempprefix.${HOSTNAME}.${UID}"
4090 elif ! test_cmd mktemp -u XXXXXX; then
4091 # simple replacement for missing mktemp
4092 # NOT SAFE FOR GENERAL USE
4094 tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"
4100 FFTMPDIR=$(mktemp -d "${TMPDIR}/ffconf.XXXXXXXX" 2> /dev/null) ||
4101 die "Unable to create temporary directory in $TMPDIR."
4104 tmp="${FFTMPDIR}/test"$2
4105 (set -C; exec > $tmp) 2> /dev/null ||
4106 die "Unable to create temporary file in $FFTMPDIR."
4110 trap 'rm -rf -- "$FFTMPDIR"' EXIT
4116 tmpfile TMPE $EXESUF
4128 # make sure we can execute files in $TMPDIR
4129 cat > $TMPSH 2>> $logfile <<EOF
4132 chmod +x $TMPSH >> $logfile 2>&1
4133 if ! $TMPSH >> $logfile 2>&1; then
4135 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
4136 variable to another directory and make sure that it is not mounted noexec.
4138 die "Sanity test failed."
4144 # Filter out MSVC cl.exe options from cflags that shouldn't
4145 # be passed to gas-preprocessor
4155 -Wno-switch) echo -Wno-switch-enum ;;
4156 -Wno-format-zero-length) ;;
4157 -Wdisabled-optimization) ;;
4158 -Wno-pointer-sign) echo -Wno-other ;;
4164 msvc_common_flags(){
4167 # In addition to specifying certain flags under the compiler
4168 # specific filters, they must be specified here as well or else the
4169 # generic catch all at the bottom will print the original flag.
4174 -fomit-frame-pointer) ;;
4178 -fno-signed-zeros) ;;
4182 -lz) echo zlib.lib ;;
4183 -lx264) echo libx264.lib ;;
4185 -l*) echo ${flag#-l}.lib ;;
4186 -LARGEADDRESSAWARE) echo $flag ;;
4187 -L*) echo -libpath:${flag#-L} ;;
4194 msvc_common_flags "$@"
4197 -Wall) echo -W3 -wd4018 -wd4146 -wd4244 -wd4305 \
4199 -Wextra) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
4200 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4201 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
4203 -wd4273 -wd4554 -wd4701 -wd4703 ;;
4209 msvc_common_flags "$@"
4212 # Despite what Intel's documentation says -Wall, which is supported
4213 # on Windows, does enable remarks so disable them here.
4214 -Wall) echo $flag -Qdiag-disable:remark ;;
4215 -std=c99) echo -Qstd=c99 ;;
4234 case "${flag#*=}" in
4235 native) echo -xtarget=native ;;
4236 v9|niagara) echo -xarch=sparc ;;
4237 ultrasparc) echo -xarch=sparcvis ;;
4238 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
4239 i586|pentium) echo -xchip=pentium ;;
4240 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
4241 pentium3*|c3-2) echo -xtarget=pentium3 ;;
4242 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
4243 pentium4*) echo -xtarget=pentium4 ;;
4244 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
4245 *-sse3) echo -xarch=sse3 ;;
4246 core2) echo -xarch=ssse3 -xchip=core2 ;;
4247 bonnell) echo -xarch=ssse3 ;;
4248 corei7|nehalem) echo -xtarget=nehalem ;;
4249 westmere) echo -xtarget=westmere ;;
4250 silvermont) echo -xarch=sse4_2 ;;
4251 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
4252 core-avx*|ivybridge|haswell|broadwell|skylake*|knl)
4254 amdfam10|barcelona) echo -xtarget=barcelona ;;
4255 btver1) echo -xarch=amdsse4a ;;
4256 btver2|bdver*|znver*) echo -xarch=avx ;;
4257 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
4258 k8|opteron|athlon64|athlon-fx)
4259 echo -xarch=sse2a ;;
4260 athlon*) echo -xarch=pentium_proa ;;
4263 -std=c99) echo -xc99 ;;
4264 -fomit-frame-pointer) echo -xregs=frameptr ;;
4265 -fPIC) echo -KPIC -xcode=pic32 ;;
4266 -W*,*) echo $flag ;;
4267 -f*-*|-W*|-mimpure-text) ;;
4279 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
4280 unset _ld_o _ldflags _ld_lib _ld_path
4281 unset _depflags _DEPCMD _DEPFLAGS
4284 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
4285 true # no-op to avoid reading stdin in following checks
4286 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
4288 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
4289 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
4290 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4293 elif $_cc -v 2>&1 | grep -qi ^gcc; then
4295 gcc_version=$($_cc --version | head -n1)
4296 gcc_basever=$($_cc -dumpversion)
4297 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
4298 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
4299 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
4300 case $gcc_basever in
4303 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
4305 if [ "$first" = true ]; then
4306 case $gcc_basever in
4308 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
4313 elif $_cc --version 2>/dev/null | grep -q ^icc; then
4315 _ident=$($_cc --version | head -n1)
4320 _flags_filter=icc_flags
4321 elif $_cc -v 2>&1 | grep -q xlc; then
4323 _ident=$($_cc -qversion 2>/dev/null | head -n1)
4325 _cflags_size='-O5 -qcompact'
4326 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
4327 test -d "$sysroot" || die "No valid sysroot specified."
4329 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
4330 armcc_conf="$PWD/armcc.conf"
4331 $_cc --arm_linux_configure \
4332 --arm_linux_config_file="$armcc_conf" \
4333 --configure_sysroot="$sysroot" \
4334 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
4335 die "Error creating armcc configuration file."
4336 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
4337 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
4338 as_default="${cross_prefix}gcc"
4342 elif $_cc -v 2>&1 | grep -q clang; then
4344 _ident=$($_cc --version 2>/dev/null | head -n1)
4345 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4348 elif $_cc -V 2>&1 | grep -q Sun; then
4350 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
4351 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
4352 _DEPFLAGS='-xM1 -xc99'
4355 _cflags_size='-O5 -xspace'
4356 _flags_filter=suncc_flags
4357 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
4359 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4360 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4363 _flags_filter='filter_out -Wdisabled-optimization'
4364 elif $_cc -v 2>&1 | grep -q Open64; then
4366 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4367 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4370 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
4371 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
4373 _ident=$($_cc | head -n1)
4374 # 4509: "This form of conditional instruction is deprecated"
4375 _flags="-nologo -ignore 4509"
4376 _flags_filter=armasm_flags
4377 elif $_cc 2>&1 | grep -q Intel; then
4379 _ident=$($_cc 2>&1 | head -n1)
4380 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
4381 # Not only is O3 broken on 13.x+ but it is slower on all previous
4382 # versions (tested) as well.
4384 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
4385 if $_cc 2>&1 | grep -q Linker; then
4392 _flags_filter=icl_flags
4394 _ld_path='-libpath:'
4395 # -Qdiag-error to make icl error when seeing certain unknown arguments
4396 _flags='-nologo -Qdiag-error:4044,10157'
4397 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
4398 # with MSVC which enables it by default.
4399 _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise'
4401 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
4402 # lld can emulate multiple different linkers; in ms link.exe mode,
4403 # the -? parameter gives the help output which contains an identifyable
4404 # string, while it gives an error in other modes.
4406 # The link.exe mode doesn't have a switch for getting the version,
4407 # but we can force it back to gnu mode and get the version from there.
4408 _ident=$($_cc -flavor gnu --version 2>/dev/null)
4410 _flags_filter=msvc_flags
4412 _ld_path='-libpath:'
4413 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
4415 _ident=$($_cc 2>&1 | head -n1 | tr -d '\r')
4416 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
4417 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
4421 if $_cc -nologo- 2>&1 | grep -q Linker; then
4428 _flags_filter=msvc_flags
4430 _ld_path='-libpath:'
4433 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
4435 _ident=$($_cc --version | head -n1)
4439 _flags_filter=cparser_flags
4442 eval ${pfx}_type=\$_type
4443 eval ${pfx}_ident=\$_ident
4447 eval ${1}_C=\${_cc_c-\${${1}_C}}
4448 eval ${1}_E=\${_cc_e-\${${1}_E}}
4449 eval ${1}_O=\${_cc_o-\${${1}_O}}
4451 if [ -n "$_depflags" ]; then
4452 eval ${1}_DEPFLAGS=\$_depflags
4454 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
4455 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
4456 eval DEP${1}FLAGS=\$_flags
4460 probe_cc cc "$cc" "true"
4461 cflags_filter=$_flags_filter
4462 cflags_speed=$_cflags_speed
4463 cflags_size=$_cflags_size
4464 cflags_noopt=$_cflags_noopt
4465 add_cflags $_flags $_cflags
4466 cc_ldflags=$_ldflags
4470 probe_cc hostcc "$host_cc"
4471 host_cflags_filter=$_flags_filter
4472 host_cflags_speed=$_cflags_speed
4473 add_host_cflags $_flags $_cflags
4476 test -n "$cc_type" && enable $cc_type ||
4477 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
4479 : ${as_default:=$cc}
4480 : ${objcc_default:=$cc}
4481 : ${dep_cc_default:=$cc}
4482 : ${ld_default:=$cc}
4483 : ${host_ld_default:=$host_cc}
4484 set_default ar as objcc dep_cc ld ln_s host_ld windres
4487 asflags_filter=$_flags_filter
4488 add_asflags $_flags $_cflags
4491 probe_cc objcc "$objcc"
4492 objcflags_filter=$_flags_filter
4493 add_objcflags $_flags $_cflags
4497 ldflags_filter=$_flags_filter
4498 add_ldflags $_flags $_ldflags
4499 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
4501 LD_LIB=${_ld_lib-$LD_LIB}
4502 LD_PATH=${_ld_path-$LD_PATH}
4504 probe_cc hostld "$host_ld"
4505 host_ldflags_filter=$_flags_filter
4506 add_host_ldflags $_flags $_ldflags
4507 HOSTLD_O=${_ld_o-$HOSTLD_O}
4509 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
4510 probe_cc depcc "$dep_cc"
4511 CCDEP=${_DEPCMD:-$DEPCMD}
4512 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
4516 if $ar 2>&1 | grep -q Microsoft; then
4519 elif $ar 2>&1 | grep -q "\[D\] "; then
4527 add_cflags $extra_cflags
4528 add_cxxflags $extra_cxxflags
4529 add_objcflags $extra_objcflags
4530 add_asflags $extra_cflags
4532 if test -n "$sysroot"; then
4535 add_cppflags --sysroot="$sysroot"
4536 add_ldflags --sysroot="$sysroot"
4541 if test "$cpu" = host; then
4542 enabled cross_compile &&
4543 die "--cpu=host makes no sense when cross-compiling."
4548 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4550 s/.*$1=\\([^ ]*\\).*/\\1/
4555 cpu=$(check_native -march || check_native -mcpu)
4559 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4560 sed -n "/cc1.*-target-cpu /{
4561 s/.*-target-cpu \\([^ ]*\\).*/\\1/
4566 cpu=$(check_native -march)
4570 test "${cpu:-host}" = host &&
4571 die "--cpu=host not supported with compiler $cc"
4574 # Deal with common $arch aliases
4598 "Power Macintosh"|ppc*|powerpc*)
4613 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
4618 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
4621 # Add processor-specific flags
4622 if enabled aarch64; then
4626 cpuflags="-march=$cpu"
4629 cpuflags="-mcpu=$cpu"
4633 elif enabled alpha; then
4635 cpuflags="-mcpu=$cpu"
4637 elif enabled arm; then
4640 test_cpp_condition stddef.h \
4641 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4646 if check_arm_arch 4; then echo armv4
4647 elif check_arm_arch 4T; then echo armv4t
4648 elif check_arm_arch 5; then echo armv5
4649 elif check_arm_arch 5E; then echo armv5e
4650 elif check_arm_arch 5T; then echo armv5t
4651 elif check_arm_arch 5TE; then echo armv5te
4652 elif check_arm_arch 5TEJ; then echo armv5te
4653 elif check_arm_arch 6; then echo armv6
4654 elif check_arm_arch 6J; then echo armv6j
4655 elif check_arm_arch 6K; then echo armv6k
4656 elif check_arm_arch 6Z; then echo armv6z
4657 elif check_arm_arch 6KZ; then echo armv6zk
4658 elif check_arm_arch 6ZK; then echo armv6zk
4659 elif check_arm_arch 6T2; then echo armv6t2
4660 elif check_arm_arch 7; then echo armv7
4661 elif check_arm_arch 7A 7_A; then echo armv7-a
4662 elif check_arm_arch 7S; then echo armv7-a
4663 elif check_arm_arch 7R 7_R; then echo armv7-r
4664 elif check_arm_arch 7M 7_M; then echo armv7-m
4665 elif check_arm_arch 7EM 7E_M; then echo armv7-m
4666 elif check_arm_arch 8A 8_A; then echo armv8-a
4670 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4674 cpuflags="-march=$cpu"
4675 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4678 cpuflags="-mcpu=$cpu"
4680 cortex-a*) subarch=armv7a ;;
4681 cortex-r*) subarch=armv7r ;;
4682 cortex-m*) enable thumb; subarch=armv7m ;;
4683 arm11*) subarch=armv6 ;;
4684 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4685 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4686 *) subarch=$(probe_arm_arch) ;;
4692 armv5t*) enable fast_clz ;;
4695 disabled fast_unaligned || enable fast_unaligned
4699 elif enabled avr32; then
4704 cpuflags="-mpart=$cpu"
4708 cpuflags="-march=$cpu"
4712 cpuflags="-mcpu=$cpu"
4716 cpuflags="-march=$cpu"
4720 elif enabled bfin; then
4722 cpuflags="-mcpu=$cpu"
4724 elif enabled mips; then
4726 cpuflags="-march=$cpu"
4728 if [ "$cpu" != "generic" ]; then
4738 24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)
4749 enable local_aligned
4750 enable simd_align_16
4754 enable fast_unaligned
4755 disable aligned_stack
4761 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4764 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4767 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4772 # Unknown CPU. Disable everything.
4773 warn "unknown CPU. Disabling all MIPS optimizations."
4796 24kef*|34kf*|1004kf*)
4804 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"
4808 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4812 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4816 # We do not disable anything. Is up to the user to disable the unwanted features.
4817 warn 'generic cpu selected'
4820 elif enabled ppc; then
4824 case $(tolower $cpu) in
4825 601|ppc601|powerpc601)
4826 cpuflags="-mcpu=601"
4829 603*|ppc603*|powerpc603*)
4830 cpuflags="-mcpu=603"
4833 604*|ppc604*|powerpc604*)
4834 cpuflags="-mcpu=604"
4837 g3|75*|ppc75*|powerpc75*)
4838 cpuflags="-mcpu=750"
4841 g4|745*|ppc745*|powerpc745*)
4842 cpuflags="-mcpu=7450"
4845 74*|ppc74*|powerpc74*)
4846 cpuflags="-mcpu=7400"
4849 g5|970|ppc970|powerpc970)
4850 cpuflags="-mcpu=970"
4854 cpuflags="-mcpu=$cpu"
4858 cpuflags="-mcpu=$cpu"
4861 cpuflags="-mcpu=cell"
4866 cpuflags="-mcpu=e500mc"
4870 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4875 cpuflags="-mcpu=8540 -mhard-float"
4881 elif enabled sparc; then
4884 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4885 cpuflags="-mcpu=$cpu"
4887 ultrasparc*|niagara[234])
4888 cpuflags="-mcpu=$cpu"
4892 elif enabled x86; then
4896 cpuflags="-march=$cpu"
4900 # targets that do NOT support nopl and conditional mov (cmov)
4901 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4902 cpuflags="-march=$cpu"
4905 # targets that do support nopl and conditional mov (cmov)
4906 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4907 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\
4908 |amdfam10|barcelona|b[dt]ver*|znver*)
4909 cpuflags="-march=$cpu"
4913 # targets that do support conditional mov but on which it's slow
4914 pentium4|pentium4m|prescott|nocona)
4915 cpuflags="-march=$cpu"
4923 if [ "$cpu" != generic ]; then
4924 add_cflags $cpuflags
4925 add_asflags $cpuflags
4926 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4929 # compiler sanity check
4931 int main(void){ return 0; }
4933 if test "$?" != 0; then
4934 echo "$cc is unable to create an executable file."
4935 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4936 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4937 echo "Only do this if you know what cross compiling means."
4939 die "C compiler test failed."
4942 add_cppflags -D_ISOC99_SOURCE
4943 add_cxxflags -D__STDC_CONSTANT_MACROS
4944 check_cxxflags -std=c++11 || check_cxxflags -std=c++0x
4946 # some compilers silently accept -std=c11, so we also need to check that the
4947 # version macro is defined properly
4948 test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L" &&
4949 add_cflags -std=c11 ||
4950 check_cflags -std=c99
4952 check_cppflags -D_FILE_OFFSET_BITS=64
4953 check_cppflags -D_LARGEFILE_SOURCE
4955 add_host_cppflags -D_ISOC99_SOURCE
4956 check_host_cflags -std=c99
4957 check_host_cflags -Wall
4958 check_host_cflags $host_cflags_speed
4963 expr=${3:-'sizeof(void *) > 4'}
4964 test_code cc "" "int test[2*($expr) - 1]" &&
4965 subarch=$arch64 || subarch=$arch32
4971 enabled shared && enable_weak pic
4974 check_64bit mips mips64 '_MIPS_SIM > 1'
4975 enabled shared && enable_weak pic
4978 check_64bit parisc parisc64
4979 enabled shared && enable_weak pic
4982 check_64bit ppc ppc64
4983 enabled shared && enable_weak pic
4986 check_64bit s390 s390x
4987 enabled shared && enable_weak pic
4990 check_64bit sparc sparc64
4991 enabled shared && enable_weak pic
4994 check_64bit x86_32 x86_64
4995 # Treat x32 as x64 for now. Note it also needs pic if shared
4996 test "$subarch" = "x86_32" && test_cpp_condition stddef.h 'defined(__x86_64__)' &&
4997 subarch=x86_64 && enable x86_64 && disable x86_32
4998 if enabled x86_64; then
4999 enabled shared && enable_weak pic
5009 add_cppflags '-I\$(SRC_PATH)/compat/aix'
5010 enabled shared && add_ldflags -Wl,-brtl
5011 arflags='-Xany -r -c'
5015 enable section_data_rel_ro
5016 SLIB_INSTALL_NAME='$(SLIBNAME)'
5018 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
5021 prefix_default="/boot/common"
5022 network_extralibs="-lnetwork"
5026 SHFLAGS='-shared -Wl,-h,$$(@F)'
5027 enabled x86 && append SHFLAGS -mimpure-text
5028 network_extralibs="-lsocket -lnsl"
5029 add_cppflags -D__EXTENSIONS__
5030 # When using suncc to build, the Solaris linker will mark
5031 # an executable with each instruction set encountered by
5032 # the Solaris assembler. As our libraries contain their own
5033 # guards for processor-specific code, instead suppress
5034 # generation of the HWCAPS ELF section on Solaris x86 only.
5035 enabled_all suncc x86 &&
5036 echo "hwcap_1 = OVERRIDE;" > mapfile &&
5037 add_ldflags -Wl,-M,mapfile
5038 nm_default='nm -P -g'
5040 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
5044 oss_indev_extralibs="-lossaudio"
5045 oss_outdev_extralibs="-lossaudio"
5046 enabled gcc || check_ldflags -Wl,-zmuldefs
5051 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
5053 oss_indev_extralibs="-lossaudio"
5054 oss_outdev_extralibs="-lossaudio"
5062 add_extralibs -lpoll -lgnugetopt
5066 enabled ppc && add_asflags -force_cpusubtype_ALL
5067 install_name_dir_default='$(SHLIBDIR)'
5068 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
5069 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
5071 add_ldflags -Wl,-dynamic,-search_paths_first
5072 check_cflags -Werror=partial-availability
5074 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
5075 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
5076 enabled x86_64 && objformat="macho64" || objformat="macho32"
5077 enabled_any pic shared x86_64 ||
5078 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
5079 check_header dispatch/dispatch.h &&
5080 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
5081 if test -n "$sysroot"; then
5082 is_in -isysroot $cc $CPPFLAGS $CFLAGS || check_cppflags -isysroot $sysroot
5083 is_in -isysroot $ld $LDFLAGS || check_ldflags -isysroot $sysroot
5085 version_script='-exported_symbols_list'
5086 VERSION_SCRIPT_POSTPROCESS_CMD='tr " " "\n" | sed -n /global:/,/local:/p | grep ";" | tr ";" "\n" | sed -E "s/(.+)/_\1/g" | sed -E "s/(.+[^*])$$$$/\1*/"'
5089 die "Native MSYS builds are discouraged, please use the MINGW environment."
5094 if enabled x86_64; then
5095 LIBTARGET="i386:x86-64"
5096 elif enabled arm; then
5098 elif enabled aarch64; then
5101 if enabled shared; then
5102 # Cannot build both shared and static libs when using dllimport.
5105 enabled shared && ! enabled small && test_cmd $windres --version && enable gnu_windres
5106 enabled x86_32 && check_ldflags -Wl,--large-address-aware
5107 shlibdir_default="$bindir_default"
5110 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5111 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5112 if test_cmd lib.exe -list; then
5113 SLIB_EXTRA_CMD=-'lib.exe -nologo -machine:$(LIBTARGET) -def:$$(@:$(SLIBSUF)=.def) -out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
5114 if enabled x86_64; then
5118 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
5120 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5122 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
5123 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
5124 SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" AR="$(AR_CMD)" NM="$(NM_CMD)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
5125 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--disable-auto-image-base $$(@:$(SLIBSUF)=.def)'
5126 enabled x86_64 && objformat="win64" || objformat="win32"
5127 dlltool="${cross_prefix}dlltool"
5130 check_ldflags -Wl,--nxcompat,--dynamicbase
5131 # Lets work around some stupidity in binutils.
5132 # ld will strip relocations from executables even though we need them
5133 # for dynamicbase (ASLR). Using -pie does retain the reloc section
5134 # however ld then forgets what the entry point should be (oops) so we
5135 # have to manually (re)set it.
5136 if enabled x86_32; then
5137 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
5138 elif enabled x86_64; then
5139 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
5140 check_ldflags -Wl,--high-entropy-va # binutils 2.25
5141 # Set image base >4GB for extra entropy with HEASLR
5142 add_ldexeflags -Wl,--image-base,0x140000000
5143 append SHFLAGS -Wl,--image-base,0x180000000
5148 if enabled shared; then
5149 # Link to the import library instead of the normal static library
5152 # Cannot build both shared and static libs with MSVC or icl.
5155 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
5156 shlibdir_default="$bindir_default"
5159 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5160 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5161 SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
5162 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5164 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
5165 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
5166 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
5167 enabled x86_64 && objformat="win64" || objformat="win32"
5173 shlibdir_default="$bindir_default"
5176 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5177 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5178 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5180 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
5181 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
5182 enabled x86_64 && objformat="win64" || objformat="win32"
5184 enabled shared && ! enabled small && test_cmd $windres --version && enable gnu_windres
5185 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5187 *-dos|freedos|opendos)
5188 network_extralibs="-lsocket"
5191 add_cppflags -U__STRICT_ANSI__
5194 enable section_data_rel_ro
5195 enabled_any arm aarch64 && enable_weak linux_perf
5199 ranlib="echo ignoring ranlib"
5205 add_cppflags -D_GNU_SOURCE
5206 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap
5207 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
5211 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5212 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
5213 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \
5214 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \
5215 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \
5216 echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \
5217 emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def'
5218 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \
5219 emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;'
5220 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5222 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib'
5224 enable_weak os2threads
5227 add_cppflags -D_BSD_SOURCE
5232 add_cppflags -D_QNX_SOURCE
5233 network_extralibs="-lsocket"
5238 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
5239 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
5240 add_ldflags -Wl,--target1-abs,--no-undefined \
5241 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
5242 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
5243 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
5244 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
5245 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
5252 die "Unknown OS '$target_os'."
5256 # test if creating links works
5257 link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)
5258 link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)
5260 $ln_s "$link_dest" "$link_name"
5261 touch "$link_dest/test_file"
5262 if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then
5263 # create link to source path
5264 [ -e src ] && rm src
5265 $ln_s "$source_path" src
5268 # creating directory links doesn't work
5269 # fall back to using the full source path
5270 source_link="$source_path"
5276 # determine libc flavour
5281 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
5282 if test_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
5283 eval ${pfx}libc_type=uclibc
5284 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5285 elif test_${pfx}cpp_condition features.h "defined __GLIBC__"; then
5286 eval ${pfx}libc_type=glibc
5287 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5288 # MinGW headers can be installed on Cygwin, so check for newlib first.
5289 elif test_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
5290 eval ${pfx}libc_type=newlib
5291 add_${pfx}cppflags -U__STRICT_ANSI__ -D_XOPEN_SOURCE=600
5292 # MinGW64 is backwards compatible with MinGW32, so check for it first.
5293 elif test_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
5294 eval ${pfx}libc_type=mingw64
5295 if test_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
5296 add_compat msvcrt/snprintf.o
5297 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
5299 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5300 eval test \$${pfx_no_}cc_type = "gcc" &&
5301 add_${pfx}cppflags -D__printf__=__gnu_printf__
5302 test_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&
5303 add_${pfx}cppflags -D_WIN32_WINNT=0x0600
5304 elif test_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
5305 test_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
5306 eval ${pfx}libc_type=mingw32
5307 test_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
5308 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
5309 die "ERROR: MinGW32 runtime version must be >= 3.15."
5310 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5311 test_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700" &&
5312 add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700
5313 test_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&
5314 add_${pfx}cppflags -D_WIN32_WINNT=0x0600
5315 eval test \$${pfx_no_}cc_type = "gcc" &&
5316 add_${pfx}cppflags -D__printf__=__gnu_printf__
5317 elif test_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
5318 eval ${pfx}libc_type=msvcrt
5319 if test_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
5320 if [ "$pfx" = host_ ]; then
5321 add_host_cppflags -Dsnprintf=_snprintf
5323 add_compat strtod.o strtod=avpriv_strtod
5324 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
5325 _snprintf=avpriv_snprintf \
5326 vsnprintf=avpriv_vsnprintf
5329 add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS
5330 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
5331 # 0x601 by default unless something else is set by the user.
5332 # This can easily lead to us detecting functions only present
5333 # in such new versions and producing binaries requiring windows 7.0.
5334 # Therefore explicitly set the default to Vista unless the user has
5335 # set something else on the command line.
5336 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
5337 # family. For these cases, configure is free to use any functions
5338 # found in the SDK headers by default. (Alternatively, we could force
5339 # _WIN32_WINNT to 0x0602 in that case.)
5340 test_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
5341 { test_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0600; }
5342 #ifdef WINAPI_FAMILY
5343 #include <winapifamily.h>
5344 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
5349 if [ "$pfx" = "" ]; then
5350 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
5351 check_func strtoull || add_cflags -Dstrtoull=_strtoui64
5353 elif test_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
5354 eval ${pfx}libc_type=klibc
5355 elif test_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
5356 eval ${pfx}libc_type=bionic
5357 elif test_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
5358 eval ${pfx}libc_type=solaris
5359 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
5363 void *v = localtime_r;
5365 test "$?" != 0 && test_${pfx}cc -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 <<EOF && add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5367 void *v = localtime_r;
5370 eval test -n "\${${pfx}libc_type}" && enable ${pfx}libc_${libc_type}
5376 # hacks for compiler/libc/os combinations
5380 add_compat strtod.o strtod=avpriv_strtod
5384 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
5385 add_cppflags '-I\$(SRC_PATH)/compat/float'
5387 test_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
5390 : ${shlibdir_default:="$libdir"}
5391 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
5393 set_default $PATHS_LIST
5396 disabled optimizations || enabled ossfuzz || check_cflags -fomit-frame-pointer
5399 disabled pic && return
5402 case "$target_os" in
5403 mingw*|cygwin*|win*)
5412 enabled pic && enable_weak_pic
5414 test_cc <<EOF || die "Symbol mangling check failed."
5417 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
5418 extern_prefix=${sym%%ff_extern*}
5420 ! disabled inline_asm && check_inline_asm inline_asm '"" ::'
5422 for restrict_keyword in restrict __restrict__ __restrict ""; do
5423 test_code cc "" "char * $restrict_keyword p" && break
5426 check_cc pragma_deprecated "" '_Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")'
5428 # The global variable ensures the bits appear unchanged in the object file.
5429 test_cc <<EOF || die "endian test failed"
5430 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
5432 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
5434 check_cc const_nan math.h "struct { double d; } static const bar[] = { { NAN } }"
5436 if ! enabled ppc64 || enabled bigendian; then
5441 log "check_gas using '$as' as AS"
5442 # :vararg is used on aarch64, arm and ppc altivec
5444 .macro m n, y:vararg=0
5448 # .altmacro is only used in arm asm
5449 ! enabled arm || check_as gnu_as ".altmacro"
5452 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
5454 enabled_any arm aarch64 && nogas=die
5455 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
5459 arm*) gaspp_as_type=armasm; as_noop=-h ;;
5460 gcc) gaspp_as_type=gas ;;
5461 *) gaspp_as_type=$as_type ;;
5464 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
5466 test "${as#*gas-preprocessor.pl}" != "$as" ||
5467 test_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
5468 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
5470 if ! check_gas ; then
5473 $nogas "GNU assembler not found, install/update gas-preprocessor"
5476 check_as as_func ".func test
5480 check_inline_asm inline_asm_labels '"1:\n"'
5482 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
5484 if enabled aarch64; then
5485 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
5486 # internal assembler in clang 3.3 does not support this instruction
5487 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
5488 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
5490 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
5492 elif enabled alpha; then
5496 elif enabled arm; then
5498 enabled msvc && check_cpp_condition thumb stddef.h "defined _M_ARMT"
5499 test_cpp_condition stddef.h "defined __thumb__" && test_cc <<EOF && enable_weak thumb
5500 float func(float a, float b){ return a+b; }
5502 enabled thumb && check_cflags -mthumb || check_cflags -marm
5504 if check_cpp_condition vfp_args stddef.h "defined __ARM_PCS_VFP"; then
5506 elif check_cpp_condition vfp_args stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
5508 elif ! test_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
5509 case "${cross_prefix:-$cc}" in
5510 *hardfloat*) enable vfp_args; fpabi=vfp ;;
5511 *) check_ld "cc" vfp_args <<EOF && fpabi=vfp || fpabi=soft ;;
5512 __asm__ (".eabi_attribute 28, 1");
5513 int main(void) { return 0; }
5516 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
5519 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
5520 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
5521 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
5522 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
5523 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
5524 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
5525 enabled setend && check_insn setend 'setend be'
5527 [ $target_os = linux ] || [ $target_os = android ] ||
5528 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
5531 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
5533 check_as as_arch_directive ".arch armv7-a"
5534 check_as as_dn_directive "ra .dn d0.i16"
5535 check_as as_fpu_directive ".fpu neon"
5537 # llvm's integrated assembler supports .object_arch from llvm 3.5
5538 [ "$objformat" = elf32 ] || [ "$objformat" = elf64 ] &&
5539 check_as as_object_arch ".object_arch armv4"
5541 # MS armasm fails to assemble our PIC constructs
5542 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
5544 elif enabled mips; then
5546 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
5547 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
5548 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
5550 # Enable minimum ISA based on selected options
5551 if enabled mips64; then
5552 enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'
5553 enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'
5554 disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'
5556 enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'
5557 enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'
5558 enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'
5559 disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'
5562 enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'
5563 enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'
5564 enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_header msa.h || disable msa
5565 enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'
5566 enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'
5568 if enabled bigendian && enabled msa; then
5572 elif enabled parisc; then
5574 if enabled gcc; then
5575 case $($cc -dumpversion) in
5576 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
5580 elif enabled ppc; then
5582 enable local_aligned
5584 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
5585 check_inline_asm ibm_asm '"add 0, 0, 0"'
5586 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
5587 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
5589 if enabled altivec; then
5590 check_cflags -maltivec -mabi=altivec
5592 # check if our compiler supports Motorola AltiVec C API
5593 check_cc altivec altivec.h "vector signed int v1 = (vector signed int) { 0 };
5594 vector signed int v2 = (vector signed int) { 1 };
5595 v1 = vec_add(v1, v2);"
5597 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
5600 if enabled vsx; then
5601 check_cflags -mvsx &&
5602 check_cc vsx altivec.h "int v[4] = { 0 };
5603 vector signed int v1 = vec_vsx_ld(0, v);"
5606 if enabled power8; then
5607 check_cpp_condition power8 "altivec.h" "defined(_ARCH_PWR8)"
5610 elif enabled x86; then
5612 check_builtin rdtsc intrin.h "__rdtsc()"
5613 check_builtin mm_empty mmintrin.h "_mm_empty()"
5615 enable local_aligned
5617 # check whether EBP is available on x86
5618 # As 'i' is stored on the stack, this program will crash
5619 # if the base pointer is used to access it because the
5620 # base pointer is cleared in the inline assembly code.
5621 check_exec_crash <<EOF && enable ebp_available
5623 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
5627 # check whether EBX is available on x86
5628 check_inline_asm ebx_available '""::"b"(0)' &&
5629 check_inline_asm ebx_available '"":::"%ebx"'
5631 # check whether xmm clobbers are supported
5632 check_inline_asm xmm_clobbers '"":::"%xmm0"'
5634 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
5635 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
5637 # check whether binutils is new enough to compile SSSE3/MMXEXT
5638 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
5639 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
5643 if test_cmd $x86asmexe_probe -v; then
5644 x86asmexe=$x86asmexe_probe
5646 x86asm_debug="-g -F dwarf"
5648 X86ASM_DEPFLAGS='-MD $(@:.o=.d)'
5649 elif test_cmd $x86asmexe_probe --version; then
5650 x86asmexe=$x86asmexe_probe
5652 x86asm_debug="-g dwarf2"
5653 X86ASMDEP='$(DEPX86ASM) $(X86ASMFLAGS) -M $(X86ASM_O) $< > $(@:.o=.d)'
5656 check_x86asm x86asm "movbe ecx, [5]"
5659 if ! disabled_any asm mmx x86asm; then
5661 for program in $x86asmexe nasm yasm; do
5662 probe_x86asm $program && break
5664 disabled x86asm && die "nasm/yasm not found or too old. Use --disable-x86asm for a crippled build."
5665 X86ASMFLAGS="-f $objformat"
5666 enabled pic && append X86ASMFLAGS "-DPIC"
5667 test -n "$extern_prefix" && append X86ASMFLAGS "-DPREFIX"
5668 case "$objformat" in
5669 elf*) enabled debug && append X86ASMFLAGS $x86asm_debug ;;
5672 check_x86asm avx512_external "vmovdqa32 [eax]{k1}{z}, zmm0"
5673 check_x86asm avx2_external "vextracti128 xmm0, ymm0, 0"
5674 check_x86asm xop_external "vpmacsdd xmm0, xmm1, xmm2, xmm3"
5675 check_x86asm fma4_external "vfmaddps ymm0, ymm1, ymm2, ymm3"
5676 check_x86asm cpunop "CPU amdnop"
5680 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
5687 check_cc intrinsics_neon arm_neon.h "int16x8_t test = vdupq_n_s16(0)"
5689 check_ldflags -Wl,--as-needed
5690 check_ldflags -Wl,-z,noexecstack
5692 if ! disabled network; then
5693 check_func getaddrinfo $network_extralibs
5694 check_func inet_aton $network_extralibs
5696 check_type netdb.h "struct addrinfo"
5697 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
5698 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
5699 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
5700 check_type poll.h "struct pollfd"
5701 check_type netinet/sctp.h "struct sctp_event_subscribe"
5702 check_struct "sys/socket.h" "struct msghdr" msg_flags
5703 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5704 check_type netinet/in.h "struct sockaddr_in6"
5705 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
5706 check_type "sys/types.h sys/socket.h" socklen_t
5708 # Prefer arpa/inet.h over winsock2
5709 if check_header arpa/inet.h ; then
5710 check_func closesocket
5711 elif check_header winsock2.h ; then
5712 check_func_headers winsock2.h closesocket -lws2 &&
5713 network_extralibs="-lws2" ||
5714 { check_func_headers winsock2.h closesocket -lws2_32 &&
5715 network_extralibs="-lws2_32"; } || disable winsock2_h network
5716 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
5718 check_type ws2tcpip.h socklen_t
5719 check_type ws2tcpip.h "struct addrinfo"
5720 check_type ws2tcpip.h "struct group_source_req"
5721 check_type ws2tcpip.h "struct ip_mreq_source"
5722 check_type ws2tcpip.h "struct ipv6_mreq"
5723 check_type winsock2.h "struct pollfd"
5724 check_struct winsock2.h "struct sockaddr" sa_len
5725 check_type ws2tcpip.h "struct sockaddr_in6"
5726 check_type ws2tcpip.h "struct sockaddr_storage"
5732 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
5733 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
5734 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
5735 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
5736 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
5737 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
5738 check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR"
5740 case "$custom_allocator" in
5742 # jemalloc by default does not use a prefix
5743 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
5746 require_pkg_config libtcmalloc libtcmalloc gperftools/tcmalloc.h tc_malloc
5751 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
5752 check_func ${malloc_prefix}memalign && enable memalign
5753 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5756 check_func_headers stdlib.h arc4random
5757 check_lib clock_gettime time.h clock_gettime || check_lib clock_gettime time.h clock_gettime -lrt
5760 check_func gethrtime
5762 check_func getrusage
5763 check_func gettimeofday
5768 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5769 check_func_headers time.h nanosleep || check_lib nanosleep time.h nanosleep -lrt
5770 check_func sched_getaffinity
5771 check_func setrlimit
5772 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5773 check_func strerror_r
5778 check_func_headers conio.h kbhit
5779 check_func_headers io.h setmode
5780 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5781 check_func_headers mach/mach_time.h mach_absolute_time
5782 check_func_headers stdlib.h getenv
5783 check_func_headers sys/stat.h lstat
5785 check_func_headers windows.h GetProcessAffinityMask
5786 check_func_headers windows.h GetProcessTimes
5787 check_func_headers windows.h GetSystemTimeAsFileTime
5788 check_func_headers windows.h LoadLibrary
5789 check_func_headers windows.h MapViewOfFile
5790 check_func_headers windows.h PeekNamedPipe
5791 check_func_headers windows.h SetConsoleTextAttribute
5792 check_func_headers windows.h SetConsoleCtrlHandler
5793 check_func_headers windows.h Sleep
5794 check_func_headers windows.h VirtualAlloc
5795 check_func_headers glob.h glob
5797 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5799 check_header direct.h
5800 check_header dirent.h
5801 check_header dxgidebug.h
5803 check_header dxva2api.h -D_WIN32_WINNT=0x0600
5805 check_header libcrystalhd/libcrystalhd_if.h
5806 check_header malloc.h
5807 check_header net/udplite.h
5809 check_header sys/param.h
5810 check_header sys/resource.h
5811 check_header sys/select.h
5812 check_header sys/time.h
5813 check_header sys/un.h
5814 check_header termios.h
5815 check_header unistd.h
5816 check_header valgrind/valgrind.h
5817 check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox
5818 check_header windows.h
5819 check_header X11/extensions/XvMClib.h
5820 check_header asm/types.h
5822 # it seems there are versions of clang in some distros that try to use the
5823 # gcc headers, which explodes for stdatomic
5824 # so we also check that atomics actually work here
5825 check_builtin stdatomic stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0)"
5827 check_lib advapi32 "windows.h" RegCloseKey -ladvapi32
5828 check_lib ole32 "windows.h" CoTaskMemFree -lole32
5829 check_lib shell32 "windows.h shellapi.h" CommandLineToArgvW -lshell32
5830 check_lib wincrypt "windows.h wincrypt.h" CryptGenRandom -ladvapi32
5831 check_lib psapi "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5833 check_lib android android/native_window.h ANativeWindow_acquire -landroid
5834 check_lib mediandk "stdint.h media/NdkImage.h" AImage_delete -lmediandk
5835 check_lib camera2ndk "stdbool.h stdint.h camera/NdkCameraManager.h" ACameraManager_create -lcamera2ndk
5837 enabled appkit && check_apple_framework AppKit
5838 enabled audiotoolbox && check_apple_framework AudioToolbox
5839 enabled avfoundation && check_apple_framework AVFoundation
5840 enabled coreimage && check_apple_framework CoreImage
5841 enabled videotoolbox && check_apple_framework VideoToolbox
5843 check_apple_framework CoreFoundation
5844 check_apple_framework CoreMedia
5845 check_apple_framework CoreVideo
5847 enabled avfoundation && {
5848 disable coregraphics applicationservices
5849 check_lib coregraphics CoreGraphics/CoreGraphics.h CGGetActiveDisplayList "-framework CoreGraphics" ||
5850 check_lib applicationservices ApplicationServices/ApplicationServices.h CGGetActiveDisplayList "-framework ApplicationServices"; }
5852 enabled videotoolbox && {
5853 check_lib coreservices CoreServices/CoreServices.h UTGetOSTypeFromString "-framework CoreServices"
5854 check_func_headers CoreMedia/CMFormatDescription.h kCMVideoCodecType_HEVC "-framework CoreMedia"
5857 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
5859 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5860 check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5861 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
5862 check_type "windows.h d3d11.h" "ID3D11VideoContext"
5863 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
5865 check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC"
5866 check_type "va/va.h va/va_dec_vp8.h" "VAPictureParameterBufferVP8"
5867 check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth
5868 check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"
5869 check_type "va/va.h va/va_enc_h264.h" "VAEncPictureParameterBufferH264"
5870 check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"
5871 check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"
5872 check_type "va/va.h va/va_enc_mpeg2.h" "VAEncPictureParameterBufferMPEG2"
5873 check_type "va/va.h va/va_enc_vp8.h" "VAEncPictureParameterBufferVP8"
5874 check_type "va/va.h va/va_enc_vp9.h" "VAEncPictureParameterBufferVP9"
5876 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
5878 if ! disabled ffnvcodec; then
5879 check_pkg_config ffnvcodec "ffnvcodec >= 8.0.14.1" \
5880 "ffnvcodec/nvEncodeAPI.h ffnvcodec/dynlink_cuda.h ffnvcodec/dynlink_cuviddec.h ffnvcodec/dynlink_nvcuvid.h" ""
5883 check_cpp_condition winrt windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)"
5885 if ! disabled w32threads && ! enabled pthreads; then
5886 check_func_headers "windows.h process.h" _beginthreadex &&
5887 check_type "windows.h" CONDITION_VARIABLE &&
5888 enable w32threads || disable w32threads
5889 if ! enabled w32threads && enabled winrt; then
5890 check_func_headers "windows.h" CreateThread &&
5891 enable w32threads || disable w32threads
5895 # check for some common methods of building with pthread support
5896 # do this before the optional library checks as some of them require pthreads
5897 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
5898 if check_lib pthreads pthread.h pthread_join -pthread &&
5899 check_lib pthreads pthread.h pthread_create -pthread; then
5901 elif check_lib pthreads pthread.h pthread_join -pthreads &&
5902 check_lib pthreads pthread.h pthread_create -pthreads; then
5903 add_cflags -pthreads
5904 elif check_lib pthreads pthread.h pthread_join -ldl -pthread &&
5905 check_lib pthreads pthread.h pthread_create -ldl -pthread; then
5906 add_cflags -ldl -pthread
5907 elif check_lib pthreads pthread.h pthread_join -lpthreadGC2 &&
5908 check_lib pthreads pthread.h pthread_create -lpthreadGC2; then
5910 elif check_lib pthreads pthread.h pthread_join -lpthread &&
5911 check_lib pthreads pthread.h pthread_create -lpthread; then
5913 elif check_func pthread_join && check_func pthread_create; then
5916 check_cc pthreads "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER"
5918 if enabled pthreads; then
5919 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" $pthreads_extralibs
5920 check_func pthread_cancel $pthreads_extralibs
5924 enabled zlib && check_lib zlib zlib.h zlibVersion -lz
5925 enabled bzlib && check_lib bzlib bzlib.h BZ2_bzlibVersion -lbz2
5926 enabled lzma && check_lib lzma lzma.h lzma_version_number -llzma
5928 # On some systems dynamic loading requires no extra linker flags
5929 check_lib libdl dlfcn.h "dlopen dlsym" || check_lib libdl dlfcn.h "dlopen dlsym" -ldl
5931 check_lib libm math.h sin -lm
5939 for func in $MATH_FUNCS; do
5940 eval check_mathfunc $func \${${func}_args:-1} $libm_extralibs
5943 for func in $COMPLEX_FUNCS; do
5944 eval check_complexfunc $func \${${func}_args:-1}
5947 # these are off by default, so fail if requested and not available
5948 enabled cuda_sdk && require cuda_sdk cuda.h cuCtxCreate -lcuda
5949 enabled chromaprint && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
5950 enabled decklink && { require_header DeckLinkAPI.h &&
5951 { test_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a060100" || die "ERROR: Decklink API version must be >= 10.6.1."; } }
5952 enabled libndi_newtek && require_header Processing.NDI.Lib.h
5953 enabled frei0r && require_header frei0r.h
5954 enabled gmp && require gmp gmp.h mpz_export -lgmp
5955 enabled gnutls && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init
5956 enabled jni && { [ $target_os = "android" ] && check_header jni.h && enabled pthreads || die "ERROR: jni not found"; }
5957 enabled ladspa && require_header ladspa.h
5958 enabled libaom && require_pkg_config libaom "aom >= 0.1.0" aom/aom_codec.h aom_codec_version
5959 enabled lv2 && require_pkg_config lv2 lilv-0 "lilv-0/lilv/lilv.h" lilv_world_new
5960 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
5961 enabled libass && require_pkg_config libass libass ass/ass.h ass_library_init
5962 enabled libbluray && require_pkg_config libbluray libbluray libbluray/bluray.h bd_open
5963 enabled libbs2b && require_pkg_config libbs2b libbs2b bs2b.h bs2b_open
5964 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
5965 { check_lib libcelt celt/celt.h celt_decoder_create_custom -lcelt0 ||
5966 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
5967 enabled libcaca && require_pkg_config libcaca caca caca.h caca_create_canvas
5968 enabled libcodec2 && require libcodec2 codec2/codec2.h codec2_create -lcodec2
5969 enabled libdc1394 && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new
5970 enabled libdrm && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion
5971 enabled libfdk_aac && { check_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
5972 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
5973 warn "using libfdk without pkg-config"; } }
5974 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"
5975 enabled libflite && require libflite "flite/flite.h" flite_init $flite_extralibs
5976 enabled fontconfig && enable libfontconfig
5977 enabled libfontconfig && require_pkg_config libfontconfig fontconfig "fontconfig/fontconfig.h" FcInit
5978 enabled libfreetype && require_pkg_config libfreetype freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType
5979 enabled libfribidi && require_pkg_config libfribidi fribidi fribidi.h fribidi_version_info
5980 enabled libgme && { check_pkg_config libgme libgme gme/gme.h gme_new_emu ||
5981 require libgme gme/gme.h gme_new_emu -lgme -lstdc++; }
5982 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
5983 check_lib libgsm "${gsm_hdr}" gsm_create -lgsm && break;
5984 done || die "ERROR: libgsm not found"; }
5985 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc $pthreads_extralibs
5986 enabled libkvazaar && require_pkg_config libkvazaar "kvazaar >= 0.8.1" kvazaar.h kvz_api_get
5987 # While it may appear that require is being used as a pkg-config
5988 # fallback for libmfx, it is actually being used to detect a different
5989 # installation route altogether. If libmfx is installed via the Intel
5990 # Media SDK or Intel Media Server Studio, these don't come with
5991 # pkg-config support. Instead, users should make sure that the build
5992 # can find the libraries and headers through other means.
5993 enabled libmfx && { check_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit ||
5994 { require libmfx "mfx/mfxvideo.h" MFXInit "-llibmfx $advapi32_extralibs" && warn "using libmfx without pkg-config"; } }
5995 enabled libmodplug && require_pkg_config libmodplug libmodplug libmodplug/modplug.h ModPlug_Load
5996 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame $libm_extralibs
5997 enabled libmysofa && require libmysofa "mysofa.h" mysofa_load -lmysofa $zlib_extralibs
5998 enabled libnpp && { check_lib libnpp npp.h nppGetLibVersion -lnppig -lnppicc -lnppc ||
5999 check_lib libnpp npp.h nppGetLibVersion -lnppi -lnppc ||
6000 die "ERROR: libnpp not found"; }
6001 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
6002 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
6003 enabled libopencv && { check_header opencv2/core/core_c.h &&
6004 { check_pkg_config libopencv opencv opencv2/core/core_c.h cvCreateImageHeader ||
6005 require libopencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||
6006 require_pkg_config libopencv opencv opencv/cxcore.h cvCreateImageHeader; }
6007 enabled libopenh264 && require_pkg_config libopenh264 openh264 wels/codec_api.h WelsGetCodecVersion
6008 enabled libopenjpeg && { check_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version ||
6009 { require_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } }
6010 enabled libopenmpt && require_pkg_config libopenmpt "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create -lstdc++ && append libopenmpt_extralibs "-lstdc++"
6011 enabled libopus && {
6012 enabled libopus_decoder && {
6013 require_pkg_config libopus opus opus_multistream.h opus_multistream_decoder_create
6015 enabled libopus_encoder && {
6016 require_pkg_config libopus opus opus_multistream.h opus_multistream_surround_encoder_create
6019 enabled libpulse && require_pkg_config libpulse libpulse pulse/pulseaudio.h pa_context_new
6020 enabled librsvg && require_pkg_config librsvg librsvg-2.0 librsvg-2.0/librsvg/rsvg.h rsvg_handle_render_cairo
6021 enabled librtmp && require_pkg_config librtmp librtmp librtmp/rtmp.h RTMP_Socket
6022 enabled librubberband && require_pkg_config librubberband "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new -lstdc++ && append librubberband_extralibs "-lstdc++"
6023 enabled libshine && require_pkg_config libshine shine shine/layer3.h shine_encode_buffer
6024 enabled libsmbclient && { check_pkg_config libsmbclient smbclient libsmbclient.h smbc_init ||
6025 require libsmbclient libsmbclient.h smbc_init -lsmbclient; }
6026 enabled libsnappy && require libsnappy snappy-c.h snappy_compress -lsnappy -lstdc++
6027 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
6028 enabled libssh && require_pkg_config libssh libssh libssh/sftp.h sftp_init
6029 enabled libspeex && require_pkg_config libspeex speex speex/speex.h speex_decoder_init
6030 enabled libsrt && require_pkg_config libsrt "srt >= 1.2.0" srt/srt.h srt_socket
6031 enabled libtesseract && require_pkg_config libtesseract tesseract tesseract/capi.h TessBaseAPICreate
6032 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
6033 enabled libtls && require_pkg_config libtls libtls tls.h tls_configure
6034 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
6035 { check_lib libtwolame twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
6036 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
6037 enabled libv4l2 && require_pkg_config libv4l2 libv4l2 libv4l2.h v4l2_ioctl
6038 enabled libvidstab && require_pkg_config libvidstab "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
6039 enabled libvmaf && require_pkg_config libvmaf "libvmaf >= 0.6.2" libvmaf.h compute_vmaf
6040 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
6041 enabled libvorbis && require_pkg_config libvorbis vorbis vorbis/codec.h vorbis_info_init &&
6042 require_pkg_config libvorbisenc vorbisenc vorbis/vorbisenc.h vorbis_encode_init
6045 enabled libvpx_vp8_decoder && {
6046 check_pkg_config libvpx_vp8_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
6047 check_lib libvpx_vp8_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||
6048 die "ERROR: libvpx decoder version must be >=1.4.0";
6050 enabled libvpx_vp8_encoder && {
6051 check_pkg_config libvpx_vp8_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
6052 check_lib libvpx_vp8_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||
6053 die "ERROR: libvpx encoder version must be >=1.4.0";
6055 enabled libvpx_vp9_decoder && {
6056 check_pkg_config libvpx_vp9_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
6057 check_lib libvpx_vp9_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs"
6059 enabled libvpx_vp9_encoder && {
6060 check_pkg_config libvpx_vp9_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
6061 check_lib libvpx_vp9_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs"
6063 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
6064 die "libvpx enabled but no supported decoders found"
6068 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
6069 enabled libwebp && {
6070 enabled libwebp_encoder && require_pkg_config libwebp "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
6071 enabled libwebp_anim_encoder && check_pkg_config libwebp_anim_encoder "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit; }
6072 enabled libx264 && { check_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode ||
6073 { require libx264 "stdint.h x264.h" x264_encoder_encode "-lx264 $pthreads_extralibs $libm_extralibs" &&
6074 warn "using libx264 without pkg-config"; } } &&
6075 require_cpp_condition x264.h "X264_BUILD >= 118" &&
6076 check_cpp_condition libx262 x264.h "X264_MPEG2"
6077 enabled libx265 && require_pkg_config libx265 x265 x265.h x265_api_get &&
6078 require_cpp_condition x265.h "X265_BUILD >= 68"
6079 enabled libxavs && require libxavs "stdint.h xavs.h" xavs_encoder_encode "-lxavs $pthreads_extralibs $libm_extralibs"
6080 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
6081 enabled libzimg && require_pkg_config libzimg "zimg >= 2.7.0" zimg.h zimg_get_api_version
6082 enabled libzmq && require_pkg_config libzmq libzmq zmq.h zmq_ctx_new
6083 enabled libzvbi && require_pkg_config libzvbi zvbi-0.2 libzvbi.h vbi_decoder_new &&
6084 { test_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||
6085 enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }
6086 enabled libxml2 && require_pkg_config libxml2 libxml-2.0 libxml2/libxml/xmlversion.h xmlCheckVersion
6087 enabled mediacodec && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }
6088 enabled mmal && { check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
6089 { ! enabled cross_compile &&
6090 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline &&
6091 add_ldflags -L/opt/vc/lib/ &&
6092 check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host; } ||
6093 die "ERROR: mmal not found" &&
6094 check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"; }
6095 enabled openal && { { for al_extralibs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
6096 check_lib openal 'AL/al.h' alGetError "${al_extralibs}" && break; done } ||
6097 die "ERROR: openal not found"; } &&
6098 { test_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
6099 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
6100 enabled opencl && { check_lib opencl OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
6101 check_lib opencl CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
6102 die "ERROR: opencl not found"; } &&
6103 { test_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
6104 test_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
6105 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
6106 enabled opengl && { check_lib opengl GL/glx.h glXGetProcAddress "-lGL" ||
6107 check_lib opengl windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
6108 check_lib opengl OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
6109 check_lib opengl ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
6110 die "ERROR: opengl not found."
6112 enabled omx && require_header OMX_Core.h
6113 enabled omx_rpi && { check_header OMX_Core.h ||
6114 { ! enabled cross_compile && add_cflags -isystem/opt/vc/include/IL && check_header OMX_Core.h ; } ||
6115 die "ERROR: OpenMAX IL headers not found"; } && enable omx
6116 enabled openssl && { check_pkg_config openssl openssl openssl/ssl.h OPENSSL_init_ssl ||
6117 check_pkg_config openssl openssl openssl/ssl.h SSL_library_init ||
6118 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto ||
6119 check_lib openssl openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
6120 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
6121 die "ERROR: openssl not found"; }
6122 enabled rkmpp && { require_pkg_config rkmpp rockchip_mpp rockchip/rk_mpi.h mpp_create &&
6123 require_pkg_config rockchip_mpp "rockchip_mpp >= 1.3.7" rockchip/rk_mpi.h mpp_create &&
6125 die "ERROR: rkmpp requires --enable-libdrm"; }
6128 if enabled gcrypt; then
6129 GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"
6130 if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then
6131 gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)
6132 gcrypt_extralibs=$("${GCRYPT_CONFIG}" --libs)
6133 check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_extralibs ||
6134 die "ERROR: gcrypt not found"
6135 add_cflags $gcrypt_cflags
6137 require gcrypt gcrypt.h gcry_mpi_new -lgcrypt
6141 if enabled sdl2; then
6142 SDL2_CONFIG="${cross_prefix}sdl2-config"
6143 test_pkg_config sdl2 "sdl2 >= 2.0.1 sdl2 < 2.1.0" SDL_events.h SDL_PollEvent
6144 if disabled sdl2 && "${SDL2_CONFIG}" --version > /dev/null 2>&1; then
6145 sdl2_cflags=$("${SDL2_CONFIG}" --cflags)
6146 sdl2_extralibs=$("${SDL2_CONFIG}" --libs)
6147 test_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&
6148 test_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&
6149 check_func_headers SDL_events.h SDL_PollEvent $sdl2_extralibs $sdl2_cflags &&
6152 if test $target_os = "mingw32"; then
6153 sdl2_extralibs=$(filter_out '-mwindows' $sdl2_extralibs)
6157 if enabled decklink; then
6159 mingw32*|mingw64*|win32|win64)
6160 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
6161 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
6166 enabled securetransport &&
6167 check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
6168 check_lib securetransport "Security/SecureTransport.h Security/Security.h" "SSLCreateContext" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" ||
6169 disable securetransport
6171 enabled securetransport &&
6172 check_func SecItemImport "-Wl,-framework,CoreFoundation -Wl,-framework,Security"
6175 check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&
6176 test_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" &&
6177 schannel_extralibs="-lsecur32" ||
6180 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
6182 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
6183 && enable makeinfo_html || disable makeinfo_html
6184 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
6185 perl -v > /dev/null 2>&1 && enable perl || disable perl
6186 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
6187 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
6189 # check V4L2 codecs available in the API
6190 check_header linux/fb.h
6191 check_header linux/videodev2.h
6192 test_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6193 check_cc v4l2_m2m linux/videodev2.h "int i = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_VIDEO_M2M | V4L2_BUF_FLAG_LAST;"
6194 check_cc vc1_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VC1_ANNEX_G;"
6195 check_cc mpeg1_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG1;"
6196 check_cc mpeg2_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG2;"
6197 check_cc mpeg4_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG4;"
6198 check_cc hevc_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_HEVC;"
6199 check_cc h263_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_H263;"
6200 check_cc h264_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_H264;"
6201 check_cc vp8_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VP8;"
6202 check_cc vp9_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VP9;"
6204 check_header sys/videoio.h
6205 test_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6207 check_lib user32 "windows.h winuser.h" GetShellWindow -luser32
6208 check_lib vfw32 "windows.h vfw.h" capCreateCaptureWindow -lvfw32
6209 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
6210 # w32api 3.12 had it defined wrong
6211 check_cpp_condition vfwcap_defines vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER"
6213 check_type "dshow.h" IBaseFilter
6215 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
6216 check_header "dev/bktr/ioctl_meteor.h dev/bktr/ioctl_bt848.h" ||
6217 check_header "machine/ioctl_meteor.h machine/ioctl_bt848.h" ||
6218 check_header "dev/video/meteor/ioctl_meteor.h dev/video/bktr/ioctl_bt848.h" ||
6219 check_header "dev/ic/bt8xx.h"
6221 if check_struct sys/soundcard.h audio_buf_info bytes; then
6222 enable_sanitized sys/soundcard.h
6224 test_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_sanitized sys/soundcard.h
6225 #include <sys/soundcard.h>
6230 enabled alsa && check_pkg_config alsa alsa "alsa/asoundlib.h" snd_pcm_htimestamp ||
6231 check_lib alsa alsa/asoundlib.h snd_pcm_htimestamp -lasound
6234 require_pkg_config libjack jack jack/jack.h jack_port_get_latency_range
6236 enabled sndio && check_lib sndio sndio.h sio_open -lsndio
6238 if enabled libcdio; then
6239 check_pkg_config libcdio libcdio_paranoia "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open ||
6240 check_pkg_config libcdio libcdio_paranoia "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open ||
6241 check_lib libcdio "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6242 check_lib libcdio "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6243 die "ERROR: No usable libcdio/cdparanoia found"
6246 enabled libxcb && check_pkg_config libxcb "xcb >= 1.4" xcb/xcb.h xcb_connect ||
6247 disable libxcb_shm libxcb_shape libxcb_xfixes
6249 if enabled libxcb; then
6250 enabled libxcb_shm && check_pkg_config libxcb_shm xcb-shm xcb/shm.h xcb_shm_attach
6251 enabled libxcb_shape && check_pkg_config libxcb_shape xcb-shape xcb/shape.h xcb_shape_get_rectangles
6252 enabled libxcb_xfixes && check_pkg_config libxcb_xfixes xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image
6255 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
6257 # d3d11va requires linking directly to dxgi and d3d11 if not building for
6258 # the desktop api partition
6259 test_cpp <<EOF && enable uwp && d3d11va_extralibs="-ldxgi -ld3d11"
6260 #ifdef WINAPI_FAMILY
6261 #include <winapifamily.h>
6262 #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
6263 #error desktop, not uwp
6265 // WINAPI_FAMILY_APP, WINAPI_FAMILY_PHONE_APP => UWP
6268 #error no family set
6273 check_lib vaapi va/va.h vaInitialize -lva
6276 check_cc vaapi "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)"
6278 if enabled vaapi; then
6279 check_lib vaapi_drm "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm
6280 check_lib vaapi_x11 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 -lX11
6284 check_cpp_condition vaapi_1 "va/va.h" "VA_CHECK_VERSION(1, 0, 0)"
6286 if enabled_all opencl libdrm ; then
6287 check_type "CL/cl_intel.h" "clCreateImageFromFdINTEL_fn" &&
6288 enable opencl_drm_beignet
6289 check_func_headers "CL/cl_ext.h" clImportMemoryARM &&
6290 enable opencl_drm_arm
6293 if enabled_all opencl vaapi ; then
6294 enabled opencl_drm_beignet && enable opencl_vaapi_beignet
6295 if enabled libmfx ; then
6296 check_type "CL/cl.h CL/va_ext.h" "clCreateFromVA_APIMediaSurfaceINTEL_fn" &&
6297 enable opencl_vaapi_intel_media
6301 if enabled_all opencl dxva2 ; then
6302 check_type "CL/cl_dx9_media_sharing.h" cl_dx9_surface_info_khr &&
6306 if enabled_all opencl d3d11va ; then
6307 check_type "CL/cl_d3d11.h" clGetDeviceIDsFromD3D11KHR_fn &&
6312 check_cpp_condition vdpau vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP"
6315 check_lib vdpau_x11 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau -lX11
6317 enabled crystalhd && check_lib crystalhd "stdint.h libcrystalhd/libcrystalhd_if.h" DtsCrystalHDVersion -lcrystalhd
6319 if enabled x86; then
6321 mingw32*|mingw64*|win32|win64|linux|cygwin*)
6324 disable ffnvcodec cuvid nvdec nvenc
6328 disable ffnvcodec cuvid nvdec nvenc
6331 enabled ffnvcodec && enable cuda
6334 test_cc -I$source_path <<EOF || disable nvenc
6335 #include <ffnvcodec/nvEncodeAPI.h>
6336 NV_ENCODE_API_FUNCTION_LIST flist;
6337 void f(void) { struct { const GUID guid; } s[] = { { NV_ENC_PRESET_HQ_GUID } }; }
6338 int main(void) { return 0; }
6342 check_cpp_condition amf "AMF/core/Version.h" \
6343 "(AMF_VERSION_MAJOR << 48 | AMF_VERSION_MINOR << 32 | AMF_VERSION_RELEASE << 16 | AMF_VERSION_BUILD_NUM) >= 0x0001000400040001"
6345 # Funny iconv installations are not unusual, so check it after all flags have been set
6346 if enabled libc_iconv; then
6347 check_func_headers iconv.h iconv
6348 elif enabled iconv; then
6349 check_func_headers iconv.h iconv || check_lib iconv iconv.h iconv -liconv
6352 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
6354 # add some useful compiler flags if supported
6355 check_cflags -Wdeclaration-after-statement
6357 check_cflags -Wdisabled-optimization
6358 check_cflags -Wpointer-arith
6359 check_cflags -Wredundant-decls
6360 check_cflags -Wwrite-strings
6361 check_cflags -Wtype-limits
6362 check_cflags -Wundef
6363 check_cflags -Wmissing-prototypes
6364 check_cflags -Wno-pointer-to-int-cast
6365 check_cflags -Wstrict-prototypes
6366 check_cflags -Wempty-body
6368 if enabled extra_warnings; then
6369 check_cflags -Wcast-qual
6370 check_cflags -Wextra
6371 check_cflags -Wpedantic
6374 check_disable_warning(){
6375 warning_flag=-W${1#-Wno-}
6376 test_cflags $unknown_warning_flags $warning_flag && add_cflags $1
6379 test_cflags -Werror=unused-command-line-argument &&
6380 append unknown_warning_flags "-Werror=unused-command-line-argument"
6381 test_cflags -Werror=unknown-warning-option &&
6382 append unknown_warning_flags "-Werror=unknown-warning-option"
6384 check_disable_warning -Wno-parentheses
6385 check_disable_warning -Wno-switch
6386 check_disable_warning -Wno-format-zero-length
6387 check_disable_warning -Wno-pointer-sign
6388 check_disable_warning -Wno-unused-const-variable
6389 check_disable_warning -Wno-bool-operation
6391 check_disable_warning_headers(){
6392 warning_flag=-W${1#-Wno-}
6393 test_cflags $warning_flag && add_cflags_headers $1
6396 check_disable_warning_headers -Wno-deprecated-declarations
6397 check_disable_warning_headers -Wno-unused-variable
6399 test_cc <<EOF && enable blocks_extension
6400 void (^block)(void);
6403 # add some linker flags
6404 check_ldflags -Wl,--warn-common
6405 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
6406 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir && add_ldsoflags -Wl,-rpath,$libdir
6407 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
6409 # add some strip flags
6412 enabled neon_clobber_test &&
6413 check_ldflags -Wl,--wrap,avcodec_open2 \
6414 -Wl,--wrap,avcodec_decode_audio4 \
6415 -Wl,--wrap,avcodec_decode_video2 \
6416 -Wl,--wrap,avcodec_decode_subtitle2 \
6417 -Wl,--wrap,avcodec_encode_audio2 \
6418 -Wl,--wrap,avcodec_encode_video2 \
6419 -Wl,--wrap,avcodec_encode_subtitle \
6420 -Wl,--wrap,avcodec_send_packet \
6421 -Wl,--wrap,avcodec_receive_packet \
6422 -Wl,--wrap,avcodec_send_frame \
6423 -Wl,--wrap,avcodec_receive_frame \
6424 -Wl,--wrap,swr_convert \
6425 -Wl,--wrap,avresample_convert ||
6426 disable neon_clobber_test
6428 enabled xmm_clobber_test &&
6429 check_ldflags -Wl,--wrap,avcodec_open2 \
6430 -Wl,--wrap,avcodec_decode_audio4 \
6431 -Wl,--wrap,avcodec_decode_video2 \
6432 -Wl,--wrap,avcodec_decode_subtitle2 \
6433 -Wl,--wrap,avcodec_encode_audio2 \
6434 -Wl,--wrap,avcodec_encode_video2 \
6435 -Wl,--wrap,avcodec_encode_subtitle \
6436 -Wl,--wrap,avcodec_send_packet \
6437 -Wl,--wrap,avcodec_receive_packet \
6438 -Wl,--wrap,avcodec_send_frame \
6439 -Wl,--wrap,avcodec_receive_frame \
6440 -Wl,--wrap,swr_convert \
6441 -Wl,--wrap,avresample_convert \
6442 -Wl,--wrap,sws_scale ||
6443 disable xmm_clobber_test
6445 check_ld "cc" proper_dce <<EOF
6446 extern const int array[512];
6447 static inline int func(void) { return array[0]; }
6448 int main(void) { return 0; }
6451 if enabled proper_dce; then
6452 echo "X { local: *; };" > $TMPV
6453 if test_ldflags -Wl,${version_script},$TMPV; then
6454 append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver'
6456 test_cc <<EOF && enable symver_asm_label
6457 void ff_foo(void) __asm__ ("av_foo@VERSION");
6458 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
6460 test_cc <<EOF && enable symver_gnu_asm
6461 __asm__(".symver ff_foo,av_foo@VERSION");
6462 void ff_foo(void) {}
6467 if [ -z "$optflags" ]; then
6468 if enabled small; then
6469 optflags=$cflags_size
6470 elif enabled optimizations; then
6471 optflags=$cflags_speed
6473 optflags=$cflags_noopt
6477 if [ -z "$nvccflags" ]; then
6478 nvccflags=$nvccflags_default
6481 if enabled x86_64 || enabled ppc64 || enabled aarch64; then
6482 nvccflags="$nvccflags -m64"
6484 nvccflags="$nvccflags -m32"
6489 enabled lto && check_ldflags "$@"
6492 check_optflags $optflags
6493 check_optflags -fno-math-errno
6494 check_optflags -fno-signed-zeros
6496 if enabled lto; then
6497 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
6499 check_ldflags -flto $cpuflags
6500 disable inline_asm_direct_symbol_refs
6503 enabled ftrapv && check_cflags -ftrapv
6505 test_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
6510 if enabled icc; then
6511 # Just warnings, no remarks
6513 # -wd: Disable following warnings
6514 # 144, 167, 556: -Wno-pointer-sign
6515 # 188: enumerated type mixed with another type
6516 # 1292: attribute "foo" ignored
6517 # 1419: external declaration in primary source file
6518 # 10006: ignoring unknown option -fno-signed-zeros
6519 # 10148: ignoring unknown option -Wno-parentheses
6520 # 10156: ignoring option '-W'; no argument required
6521 # 13200: No EMMS instruction before call to function
6522 # 13203: No EMMS instruction before return from function
6523 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
6524 # 11030: Warning unknown option --as-needed
6525 # 10156: ignoring option '-export'; no argument required
6526 check_ldflags -wd10156,11030
6527 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
6528 enable ebp_available
6529 # The test above does not test linking
6530 enabled lto && disable symver_asm_label
6531 if enabled x86_32; then
6532 icc_version=$($cc -dumpversion)
6533 test ${icc_version%%.*} -ge 11 &&
6534 check_cflags -falign-stack=maintain-16-byte ||
6535 disable aligned_stack
6537 elif enabled gcc; then
6538 check_optflags -fno-tree-vectorize
6539 check_cflags -Werror=format-security
6540 check_cflags -Werror=implicit-function-declaration
6541 check_cflags -Werror=missing-prototypes
6542 check_cflags -Werror=return-type
6543 check_cflags -Werror=vla
6544 check_cflags -Wformat
6545 check_cflags -fdiagnostics-color=auto
6546 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
6547 if enabled x86_32; then
6550 # BSDs don't guarantee a 16 byte aligned stack, but we can
6551 # request GCC to try to maintain 16 byte alignment throughout
6552 # function calls. Library entry points that might call assembly
6553 # functions align the stack. (The parameter means 2^4 bytes.)
6554 check_cflags -mpreferred-stack-boundary=4
6558 elif enabled llvm_gcc; then
6559 check_cflags -mllvm -stack-alignment=16
6560 elif enabled clang; then
6561 if enabled x86_32; then
6562 # Clang doesn't support maintaining alignment without assuming the
6563 # same alignment in every function. If 16 byte alignment would be
6564 # enabled, one would also have to either add attribute_align_arg on
6565 # every single entry point into the libraries or enable -mstackrealign
6566 # (doing stack realignment in every single function).
6568 mingw32|win32|*bsd*)
6569 disable aligned_stack
6572 check_cflags -mllvm -stack-alignment=16
6573 check_cflags -mstack-alignment=16
6577 check_cflags -mllvm -stack-alignment=16
6578 check_cflags -mstack-alignment=16
6580 check_cflags -Qunused-arguments
6581 check_cflags -Werror=implicit-function-declaration
6582 check_cflags -Werror=missing-prototypes
6583 check_cflags -Werror=return-type
6584 elif enabled cparser; then
6585 add_cflags -Wno-missing-variable-declarations
6586 add_cflags -Wno-empty-statement
6587 elif enabled armcc; then
6588 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
6589 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
6590 # 2523: use of inline assembly is deprecated
6591 add_cflags -W${armcc_opt},--diag_suppress=2523
6592 add_cflags -W${armcc_opt},--diag_suppress=1207
6593 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
6594 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
6595 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
6596 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
6597 elif enabled pathscale; then
6598 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
6600 elif enabled_any msvc icl; then
6601 enabled x86_32 && disable aligned_stack
6602 enabled_all x86_32 debug && add_cflags -Oy-
6603 enabled debug && add_ldflags -debug
6604 enable pragma_deprecated
6605 if enabled icl; then
6606 # -Qansi-alias is basically -fstrict-aliasing, but does not work
6607 # (correctly) on icl 13.x.
6608 test_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
6609 add_cflags -Qansi-alias
6610 # Some inline asm is not compilable in debug
6611 if enabled debug; then
6612 disable ebp_available
6613 disable ebx_available
6616 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
6617 check_cpp_condition log2 crtversion.h "_VC_CRT_MAJOR_VERSION >= 12"
6618 # The CRT headers contain __declspec(restrict) in a few places, but if redefining
6619 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
6620 # (as it ends up if the restrict redefine is done before including stdlib.h), while
6621 # MSVC 2013 and newer can handle it fine.
6622 # If this declspec fails, force including stdlib.h before the restrict redefinition
6623 # happens in config.h.
6624 if [ $restrict_keyword != restrict ]; then
6625 test_cc <<EOF || add_cflags -FIstdlib.h
6626 __declspec($restrict_keyword) void *foo(int);
6629 # the new SSA optimzer in VS2015 U3 is mis-optimizing some parts of the code
6630 # Issue has been fixed in MSVC v19.00.24218.
6631 test_cpp_condition windows.h "_MSC_FULL_VER >= 190024218" ||
6632 check_cflags -d2SSAOptimizer-
6633 # enable utf-8 source processing on VS2015 U2 and newer
6634 test_cpp_condition windows.h "_MSC_FULL_VER >= 190023918" &&
6638 for pfx in "" host_; do
6639 varname=${pfx%_}cc_type
6640 eval "type=\$$varname"
6641 if [ "$type" = "msvc" ]; then
6642 test_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline
6643 static inline int foo(int a) { return a; }
6650 add_asflags -Qunused-arguments
6656 check_ldflags -Qunused-arguments
6660 enable frame_thread_encoder
6662 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
6664 check_deps $CONFIG_LIST \
6669 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"
6670 enabled avresample && warn "Building with deprecated library libavresample"
6672 if test $target_os = "haiku"; then
6674 disable posix_memalign
6677 flatten_extralibs(){
6678 unset nested_entries
6681 for entry in $list; do
6684 append nested_entries $(filter '*_extralibs' $entry_copy)
6685 flat_entries=$(filter_out '*_extralibs' $entry_copy)
6686 eval $entry="\$flat_entries"
6688 append $list_name "$nested_entries"
6690 resolve nested_entries
6691 if test -n "$(filter '*_extralibs' $nested_entries)"; then
6692 flatten_extralibs $list_name
6696 flatten_extralibs_wrapper(){
6698 flatten_extralibs $list_name
6701 eval $list_name=\$\(\$ldflags_filter \$$list_name\)
6702 eval printf \''%s'\' \""\$$list_name"\"
6705 for linkunit in $LIBRARY_LIST; do
6706 unset current_extralibs
6707 eval components=\$$(toupper ${linkunit})_COMPONENTS_LIST
6708 for comp in ${components}; do
6709 enabled $comp || continue
6710 comp_extralibs="${comp}_extralibs"
6711 append current_extralibs $comp_extralibs
6713 eval prepend ${linkunit}_extralibs $current_extralibs
6716 for linkunit in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
6717 eval ${linkunit}_extralibs=\$\(flatten_extralibs_wrapper ${linkunit}_extralibs\)
6720 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
6722 for thread in $THREADS_LIST; do
6723 if enabled $thread; then
6724 test -n "$thread_type" &&
6725 die "ERROR: Only one thread type must be selected." ||
6726 thread_type="$thread"
6730 if disabled stdatomic; then
6731 if enabled atomics_gcc; then
6732 add_cppflags '-I\$(SRC_PATH)/compat/atomics/gcc'
6733 elif enabled atomics_win32; then
6734 add_cppflags '-I\$(SRC_PATH)/compat/atomics/win32'
6735 elif enabled atomics_suncc; then
6736 add_cppflags '-I\$(SRC_PATH)/compat/atomics/suncc'
6737 elif enabled pthreads; then
6738 add_compat atomics/pthread/stdatomic.o
6739 add_cppflags '-I\$(SRC_PATH)/compat/atomics/pthread'
6741 enabled threads && die "Threading is enabled, but no atomics are available"
6742 add_cppflags '-I\$(SRC_PATH)/compat/atomics/dummy'
6746 # Check if requested libraries were found.
6747 for lib in $AUTODETECT_LIBS; do
6748 requested $lib && ! enabled $lib && die "ERROR: $lib requested but not found";
6751 enabled zlib && add_cppflags -DZLIB_CONST
6753 # conditional library dependencies, in linking order
6754 enabled afftfilt_filter && prepend avfilter_deps "avcodec"
6755 enabled afir_filter && prepend avfilter_deps "avcodec"
6756 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
6757 enabled aresample_filter && prepend avfilter_deps "swresample"
6758 enabled atempo_filter && prepend avfilter_deps "avcodec"
6759 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
6760 enabled convolve_filter && prepend avfilter_deps "avcodec"
6761 enabled deconvolve_filter && prepend avfilter_deps "avcodec"
6762 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
6763 enabled elbg_filter && prepend avfilter_deps "avcodec"
6764 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
6765 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
6766 enabled firequalizer_filter && prepend avfilter_deps "avcodec"
6767 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
6768 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
6769 enabled pan_filter && prepend avfilter_deps "swresample"
6770 enabled pp_filter && prepend avfilter_deps "postproc"
6771 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
6772 enabled resample_filter && prepend avfilter_deps "avresample"
6773 enabled sab_filter && prepend avfilter_deps "swscale"
6774 enabled scale_filter && prepend avfilter_deps "swscale"
6775 enabled scale2ref_filter && prepend avfilter_deps "swscale"
6776 enabled sofalizer_filter && prepend avfilter_deps "avcodec"
6777 enabled showcqt_filter && prepend avfilter_deps "avformat avcodec swscale"
6778 enabled showfreqs_filter && prepend avfilter_deps "avcodec"
6779 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
6780 enabled signature_filter && prepend avfilter_deps "avcodec avformat"
6781 enabled smartblur_filter && prepend avfilter_deps "swscale"
6782 enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"
6783 enabled spp_filter && prepend avfilter_deps "avcodec"
6784 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
6785 enabled uspp_filter && prepend avfilter_deps "avcodec"
6786 enabled zoompan_filter && prepend avfilter_deps "swscale"
6788 enabled lavfi_indev && prepend avdevice_deps "avfilter"
6791 enabled sdl2_outdev && add_cflags $(filter_out '-Dmain=SDL_main' $sdl2_cflags)
6793 enabled opus_decoder && prepend avcodec_deps "swresample"
6797 eval "deps=\$$lib_deps"
6798 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
6802 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
6803 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
6805 map 'expand_deps $v' $LIBRARY_LIST
6807 if test "$quiet" != "yes"; then
6809 echo "install prefix $prefix"
6810 echo "source path $source_path"
6811 echo "C compiler $cc"
6812 echo "C library $libc_type"
6813 if test "$host_cc" != "$cc"; then
6814 echo "host C compiler $host_cc"
6815 echo "host C library $host_libc_type"
6817 echo "ARCH $arch ($cpu)"
6818 if test "$build_suffix" != ""; then
6819 echo "build suffix $build_suffix"
6821 if test "$progs_suffix" != ""; then
6822 echo "progs suffix $progs_suffix"
6824 if test "$extra_version" != ""; then
6825 echo "version string suffix $extra_version"
6827 echo "big-endian ${bigendian-no}"
6828 echo "runtime cpu detection ${runtime_cpudetect-no}"
6829 if enabled x86; then
6830 echo "standalone assembly ${x86asm-no}"
6831 echo "x86 assembler ${x86asmexe}"
6832 echo "MMX enabled ${mmx-no}"
6833 echo "MMXEXT enabled ${mmxext-no}"
6834 echo "3DNow! enabled ${amd3dnow-no}"
6835 echo "3DNow! extended enabled ${amd3dnowext-no}"
6836 echo "SSE enabled ${sse-no}"
6837 echo "SSSE3 enabled ${ssse3-no}"
6838 echo "AESNI enabled ${aesni-no}"
6839 echo "AVX enabled ${avx-no}"
6840 echo "AVX2 enabled ${avx2-no}"
6841 echo "AVX-512 enabled ${avx512-no}"
6842 echo "XOP enabled ${xop-no}"
6843 echo "FMA3 enabled ${fma3-no}"
6844 echo "FMA4 enabled ${fma4-no}"
6845 echo "i686 features enabled ${i686-no}"
6846 echo "CMOV is fast ${fast_cmov-no}"
6847 echo "EBX available ${ebx_available-no}"
6848 echo "EBP available ${ebp_available-no}"
6850 if enabled aarch64; then
6851 echo "NEON enabled ${neon-no}"
6852 echo "VFP enabled ${vfp-no}"
6854 if enabled arm; then
6855 echo "ARMv5TE enabled ${armv5te-no}"
6856 echo "ARMv6 enabled ${armv6-no}"
6857 echo "ARMv6T2 enabled ${armv6t2-no}"
6858 echo "VFP enabled ${vfp-no}"
6859 echo "NEON enabled ${neon-no}"
6860 echo "THUMB enabled ${thumb-no}"
6862 if enabled mips; then
6863 echo "MIPS FPU enabled ${mipsfpu-no}"
6864 echo "MIPS DSP R1 enabled ${mipsdsp-no}"
6865 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
6866 echo "MIPS MSA enabled ${msa-no}"
6867 echo "LOONGSON MMI enabled ${mmi-no}"
6869 if enabled ppc; then
6870 echo "AltiVec enabled ${altivec-no}"
6871 echo "VSX enabled ${vsx-no}"
6872 echo "POWER8 enabled ${power8-no}"
6873 echo "PPC 4xx optimizations ${ppc4xx-no}"
6874 echo "dcbzl available ${dcbzl-no}"
6876 echo "debug symbols ${debug-no}"
6877 echo "strip symbols ${stripping-no}"
6878 echo "optimize for size ${small-no}"
6879 echo "optimizations ${optimizations-no}"
6880 echo "static ${static-no}"
6881 echo "shared ${shared-no}"
6882 echo "postprocessing support ${postproc-no}"
6883 echo "network support ${network-no}"
6884 echo "threading support ${thread_type-no}"
6885 echo "safe bitstream reader ${safe_bitstream_reader-no}"
6886 echo "texi2html enabled ${texi2html-no}"
6887 echo "perl enabled ${perl-no}"
6888 echo "pod2man enabled ${pod2man-no}"
6889 echo "makeinfo enabled ${makeinfo-no}"
6890 echo "makeinfo supports HTML ${makeinfo_html-no}"
6891 test -n "$random_seed" &&
6892 echo "random seed ${random_seed}"
6895 echo "External libraries:"
6896 print_enabled '' $EXTERNAL_LIBRARY_LIST $EXTERNAL_AUTODETECT_LIBRARY_LIST | print_in_columns
6899 echo "External libraries providing hardware acceleration:"
6900 print_enabled '' $HWACCEL_LIBRARY_LIST $HWACCEL_AUTODETECT_LIBRARY_LIST | print_in_columns
6904 print_enabled '' $LIBRARY_LIST | print_in_columns
6908 print_enabled '' $PROGRAM_LIST | print_in_columns
6911 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
6912 echo "Enabled ${type}s:"
6913 eval list=\$$(toupper $type)_LIST
6914 print_enabled '_*' $list | print_in_columns
6918 if test -n "$ignore_tests"; then
6919 ignore_tests=$(echo $ignore_tests | tr ',' ' ')
6920 echo "Ignored FATE tests:"
6921 echo $ignore_tests | print_in_columns
6925 echo "License: $license"
6927 fi # test "$quiet" != "yes"
6929 if test -n "$WARNINGS"; then
6930 printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"
6931 enabled fatal_warnings && exit 1
6934 test -e Makefile || echo "include $source_path/Makefile" > Makefile
6937 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
6940 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" > ffbuild/config.fate
6942 enabled stripping || strip="echo skipping strip"
6943 enabled stripping || striptype=""
6945 config_files="$TMPH ffbuild/config.mak doc/config.texi"
6947 cat > ffbuild/config.mak <<EOF
6948 # Automatically generated by configure - do not modify!
6949 ifndef FFMPEG_CONFIG_MAK
6951 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
6953 LIBDIR=\$(DESTDIR)$libdir
6954 SHLIBDIR=\$(DESTDIR)$shlibdir
6955 INCDIR=\$(DESTDIR)$incdir
6956 BINDIR=\$(DESTDIR)$bindir
6957 DATADIR=\$(DESTDIR)$datadir
6958 DOCDIR=\$(DESTDIR)$docdir
6959 MANDIR=\$(DESTDIR)$mandir
6960 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
6961 INSTALL_NAME_DIR=$install_name_dir
6962 SRC_PATH=$source_path
6963 SRC_LINK=$source_link
6964 ifndef MAIN_MAKEFILE
6965 SRC_PATH:=\$(SRC_PATH:.%=..%)
6969 INTRINSICS=$intrinsics
6970 EXTERN_PREFIX=$extern_prefix
6977 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
6979 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
6981 DEPX86ASM=$x86asmexe
6982 DEPX86ASMFLAGS=\$(X86ASMFLAGS)
6990 STRIPTYPE=$striptype
6997 OBJCFLAGS=$OBJCFLAGS
6999 NVCCFLAGS=$nvccflags
7021 LDEXEFLAGS=$LDEXEFLAGS
7022 LDSOFLAGS=$LDSOFLAGS
7023 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
7024 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
7025 X86ASMFLAGS=$X86ASMFLAGS
7026 BUILDSUF=$build_suffix
7027 PROGSSUF=$progs_suffix
7035 EXTRA_VERSION=$extra_version
7038 CCDEP_FLAGS=$CCDEP_FLAGS
7040 ASDEP_FLAGS=$ASDEP_FLAGS
7041 X86ASMDEP=$X86ASMDEP
7042 X86ASMDEP_FLAGS=$X86ASMDEP_FLAGS
7043 CC_DEPFLAGS=$CC_DEPFLAGS
7044 AS_DEPFLAGS=$AS_DEPFLAGS
7045 X86ASM_DEPFLAGS=$X86ASM_DEPFLAGS
7048 HOSTCFLAGS=$host_cflags
7049 HOSTCPPFLAGS=$host_cppflags
7050 HOSTEXESUF=$HOSTEXESUF
7051 HOSTLDFLAGS=$host_ldflags
7052 HOSTEXTRALIBS=$host_extralibs
7054 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
7055 HOSTCCDEP=$HOSTCCDEP
7056 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
7057 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
7061 TARGET_EXEC=$target_exec $target_exec_args
7062 TARGET_PATH=$target_path
7063 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
7064 CFLAGS-ffplay=${sdl2_cflags}
7065 CFLAGS_HEADERS=$CFLAGS_HEADERS
7066 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
7067 EXTRALIBS=$extralibs
7068 COMPAT_OBJS=$compat_objs
7070 LIBTARGET=${LIBTARGET}
7071 SLIBNAME=${SLIBNAME}
7072 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
7073 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
7074 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
7075 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
7076 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
7077 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
7078 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
7079 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
7080 VERSION_SCRIPT_POSTPROCESS_CMD=${VERSION_SCRIPT_POSTPROCESS_CMD}
7081 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
7082 NOREDZONE_FLAGS=$noredzone_flags
7083 LIBFUZZER_PATH=$libfuzzer_path
7084 IGNORE_TESTS=$ignore_tests
7087 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> ffbuild/config.mak' $LIBRARY_LIST
7089 for entry in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
7090 eval echo "EXTRALIBS-${entry}=\$${entry}_extralibs" >> ffbuild/config.mak
7094 /* Automatically generated by configure - do not modify! */
7095 #ifndef FFMPEG_CONFIG_H
7096 #define FFMPEG_CONFIG_H
7097 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
7098 #define FFMPEG_LICENSE "$(c_escape $license)"
7099 #define CONFIG_THIS_YEAR 2018
7100 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
7101 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
7102 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
7103 #define av_restrict $restrict_keyword
7104 #define EXTERN_PREFIX "${extern_prefix}"
7105 #define EXTERN_ASM ${extern_prefix}
7106 #define BUILDSUF "$build_suffix"
7107 #define SLIBSUF "$SLIBSUF"
7108 #define HAVE_MMX2 HAVE_MMXEXT
7109 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
7112 test -n "$assert_level" &&
7113 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
7115 test -n "$malloc_prefix" &&
7116 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
7118 if enabled x86asm; then
7119 append config_files $TMPASM
7121 ; Automatically generated by configure - do not modify!
7125 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
7131 echo "@c auto-generated by configure - do not modify! " > doc/config.texi
7133 print_config ARCH_ "$config_files" $ARCH_LIST
7134 print_config HAVE_ "$config_files" $HAVE_LIST
7135 print_config CONFIG_ "$config_files" $CONFIG_LIST \
7139 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
7140 echo "endif # FFMPEG_CONFIG_MAK" >> ffbuild/config.mak
7142 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
7143 cp_if_changed $TMPH config.h
7144 touch ffbuild/.config
7146 enabled x86asm && cp_if_changed $TMPASM config.asm
7149 /* Generated by ffmpeg configure */
7150 #ifndef AVUTIL_AVCONFIG_H
7151 #define AVUTIL_AVCONFIG_H
7154 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
7156 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
7158 cp_if_changed $TMPH libavutil/avconfig.h
7160 # generate the lists of enabled components
7161 print_enabled_components(){
7166 echo "static const $struct_name * const $name[] = {" > $TMPH
7171 c=$(add_suffix _demuxer $(remove_suffix _indev $c))
7174 c=$(add_suffix _muxer $(remove_suffix _outdev $c))
7177 printf " &ff_%s,\n" $c >> $TMPH
7180 echo " NULL };" >> $TMPH
7181 cp_if_changed $TMPH $file
7184 print_enabled_components libavcodec/codec_list.c AVCodec codec_list $CODEC_LIST
7185 print_enabled_components libavcodec/parser_list.c AVCodecParser parser_list $PARSER_LIST
7186 print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST
7187 print_enabled_components libavdevice/indev_list.c AVInputFormat indev_list $INDEV_LIST
7188 print_enabled_components libavdevice/outdev_list.c AVOutputFormat outdev_list $OUTDEV_LIST
7189 print_enabled_components libavformat/demuxer_list.c AVInputFormat demuxer_list $DEMUXER_LIST
7190 print_enabled_components libavformat/muxer_list.c AVOutputFormat muxer_list $MUXER_LIST
7191 print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST
7193 # Settings for pkg-config files
7196 # Automatically generated by configure - do not modify!
7198 build_suffix=$build_suffix
7202 rpath=$(enabled rpath && echo "-Wl,-rpath,\${libdir}")
7203 source_path=${source_path}
7206 extralibs_avutil="$avutil_extralibs"
7207 extralibs_avcodec="$avcodec_extralibs"
7208 extralibs_avformat="$avformat_extralibs"
7209 extralibs_avdevice="$avdevice_extralibs"
7210 extralibs_avfilter="$avfilter_extralibs"
7211 extralibs_avresample="$avresample_extralibs"
7212 extralibs_postproc="$postproc_extralibs"
7213 extralibs_swscale="$swscale_extralibs"
7214 extralibs_swresample="$swresample_extralibs"
7217 for lib in $LIBRARY_LIST; do
7218 lib_deps="$(eval echo \$${lib}_deps)"
7219 echo ${lib}_deps=\"$lib_deps\" >> $TMPH
7222 cp_if_changed $TMPH ffbuild/config.sh