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}"
3625 find_things_extern(){
3628 file=$source_path/$3
3630 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$out/p" "$file"
3633 find_filters_extern(){
3634 file=$source_path/$1
3635 #sed -n "s/^extern AVFilter ff_\([avfsinkrc]\{2,5\}\)_\(\w\+\);/\2_filter/p" $file
3636 sed -E -n "s/^extern AVFilter ff_([avfsinkrc]{2,5})_([a-zA-Z0-9_]+);/\2_filter/p" $file
3639 FILTER_LIST=$(find_filters_extern libavfilter/allfilters.c)
3640 OUTDEV_LIST=$(find_things_extern muxer AVOutputFormat libavdevice/alldevices.c outdev)
3641 INDEV_LIST=$(find_things_extern demuxer AVInputFormat libavdevice/alldevices.c indev)
3642 MUXER_LIST=$(find_things_extern muxer AVOutputFormat libavformat/allformats.c)
3643 DEMUXER_LIST=$(find_things_extern demuxer AVInputFormat libavformat/allformats.c)
3644 ENCODER_LIST=$(find_things_extern encoder AVCodec libavcodec/allcodecs.c)
3645 DECODER_LIST=$(find_things_extern decoder AVCodec libavcodec/allcodecs.c)
3650 PARSER_LIST=$(find_things_extern parser AVCodecParser libavcodec/parser.c)
3651 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3652 HWACCEL_LIST=$(find_things_extern hwaccel AVHWAccel libavcodec/hwaccels.h)
3653 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3655 AVCODEC_COMPONENTS_LIST="
3663 AVDEVICE_COMPONENTS_LIST="
3668 AVFILTER_COMPONENTS_LIST="
3672 AVFORMAT_COMPONENTS_LIST="
3679 $AVCODEC_COMPONENTS_LIST
3680 $AVDEVICE_COMPONENTS_LIST
3681 $AVFILTER_COMPONENTS_LIST
3682 $AVFORMAT_COMPONENTS_LIST
3685 for n in $COMPONENT_LIST; do
3686 v=$(toupper ${n%s})_LIST
3688 eval ${n}_if_any="\$$v"
3691 enable $ARCH_EXT_LIST
3694 echo "Unknown option \"$1\"."
3695 echo "See $0 --help for available options."
3699 print_in_columns() {
3700 cols=$(expr $ncols / 24)
3701 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3707 echo $* | sed s/$suffix//g | print_in_columns
3719 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3720 echo "prob ${prob:-0.5}"
3728 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3729 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3738 --extra-ldexeflags=*)
3739 add_ldexeflags $optval
3741 --extra-ldsoflags=*)
3742 add_ldsoflags $optval
3744 --extra-ldlibflags=*)
3745 warn "The --extra-ldlibflags option is only provided for compatibility and will be\n"\
3746 "removed in the future. Use --extra-ldsoflags instead."
3747 add_ldsoflags $optval
3750 add_extralibs $optval
3753 disable $INDEV_LIST $OUTDEV_LIST
3756 debuglevel="$optval"
3759 disable $PROGRAM_LIST
3761 --disable-everything)
3762 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3765 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3766 disable $LIBRARY_LIST $PROGRAM_LIST doc
3769 --enable-random|--disable-random)
3770 action=${opt%%-random}
3771 do_random ${action#--} $COMPONENT_LIST
3773 --enable-random=*|--disable-random=*)
3774 action=${opt%%-random=*}
3775 do_random ${action#--} $optval
3780 --enable-*=*|--disable-*=*)
3781 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3782 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3783 eval list=\$$(toupper $thing)_LIST
3784 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3785 list=$(filter "$name" $list)
3786 [ "$list" = "" ] && warn "Option $opt did not match anything"
3789 --enable-yasm|--disable-yasm)
3790 warn "The ${opt} option is only provided for compatibility and will be\n"\
3791 "removed in the future. Use --enable-x86asm / --disable-x86asm instead."
3792 test $opt = --enable-yasm && x86asm=yes || x86asm=no
3795 warn "The --yasmexe option is only provided for compatibility and will be\n"\
3796 "removed in the future. Use --x86asmexe instead."
3799 --enable-?*|--disable-?*)
3800 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3801 if is_in $option $COMPONENT_LIST; then
3802 test $action = disable && action=unset
3803 eval $action \$$(toupper ${option%s})_LIST
3804 elif is_in $option $CMDLINE_SELECT; then
3811 NAME="${opt#--list-}"
3812 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3814 eval show_list $NAME \$$(toupper $NAME)_LIST
3816 --help|-h) show_help
3818 --quiet|-q) quiet=yes
3820 --fatal-warnings) enable fatal_warnings
3823 libfuzzer_path="$optval"
3826 optname="${opt%%=*}"
3827 optname="${optname#--}"
3828 optname=$(echo "$optname" | sed 's/-/_/g')
3829 if is_in $optname $CMDLINE_SET; then
3830 eval $optname='$optval'
3831 elif is_in $optname $CMDLINE_APPEND; then
3832 append $optname "$optval"
3844 if disabled autodetect; then
3846 # Unless iconv is explicitely disabled by the user, we still want to probe
3847 # for the iconv from the libc.
3848 disabled iconv || enable libc_iconv
3850 disable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3851 disable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3853 # Mark specifically enabled, but normally autodetected libraries as requested.
3854 for lib in $AUTODETECT_LIBS; do
3855 enabled $lib && request $lib
3857 #TODO: switch to $AUTODETECT_LIBS when $THREADS_LIST is supported the same way
3858 enable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3859 enable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3861 disabled logging && logfile=/dev/null
3863 # command line configuration sanity checks
3865 # we need to build at least one lib type
3866 if ! enabled_any static shared; then
3868 At least one library type must be built.
3869 Specify --enable-static to build the static libraries or --enable-shared to
3870 build the shared libraries as well. To only build the shared libraries specify
3871 --disable-static in addition to --enable-shared.
3876 die_license_disabled() {
3877 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
3880 die_license_disabled_gpl() {
3881 enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }
3884 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3885 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3887 enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST
3888 map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST
3890 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3892 if enabled nonfree; then
3893 license="nonfree and unredistributable"
3894 elif enabled gplv3; then
3895 license="GPL version 3 or later"
3896 elif enabled lgplv3; then
3897 license="LGPL version 3 or later"
3898 elif enabled gpl; then
3899 license="GPL version 2 or later"
3901 license="LGPL version 2.1 or later"
3904 enabled_all gnutls openssl &&
3905 die "GnuTLS and OpenSSL must not be enabled at the same time."
3907 # Disable all the library-specific components if the library itself
3908 # is disabled, see AVCODEC_LIST and following _LIST variables.
3910 disable_components(){
3911 disabled ${1} && disable $(
3912 eval components="\$$(toupper ${1})_COMPONENTS"
3913 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3917 map 'disable_components $v' $LIBRARY_LIST
3919 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3922 test -n "$valgrind" && toolchain="valgrind-memcheck"
3924 enabled ossfuzz && {
3925 add_cflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer
3926 add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp
3929 case "$toolchain" in
3931 cc_default="${toolchain%-asan}"
3932 add_cflags -fsanitize=address
3933 add_ldflags -fsanitize=address
3936 cc_default="${toolchain%-msan}"
3937 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
3938 add_ldflags -fsanitize=memory
3941 cc_default="${toolchain%-tsan}"
3942 add_cflags -fsanitize=thread -fPIE
3943 add_ldflags -fsanitize=thread -pie
3944 case "$toolchain" in
3952 cc_default="${toolchain%-usan}"
3953 add_cflags -fsanitize=undefined
3954 add_ldflags -fsanitize=undefined
3957 target_exec_default="valgrind"
3958 case "$toolchain" in
3960 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
3963 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3968 # Check whether the current MSVC version needs the C99 converter.
3969 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3970 # support enough of C99 to build ffmpeg. Default to the new
3971 # behaviour if the regexp was unable to match anything, since this
3972 # successfully parses the version number of existing supported
3973 # versions that require the converter (MSVC 2010 and 2012).
3974 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3975 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3979 cc_default="c99wrap cl"
3980 cxx_default="c99wrap cl"
3982 ld_default="$source_path/compat/windows/mslink"
3983 nm_default="dumpbin -symbols"
3987 as_default="armasm64"
3993 target_os_default="win32"
3994 # Use a relative path for TMPDIR. This makes sure all the
3995 # ffconf temp files are written with a relative path, avoiding
3996 # issues with msys/win32 path conversion for MSVC parameters
3997 # such as -Fo<file> or -out:<file>.
4003 nm_default="dumpbin -symbols"
4005 target_os_default="win32"
4009 add_cflags -fprofile-arcs -ftest-coverage
4010 add_ldflags -fprofile-arcs -ftest-coverage
4013 add_cflags -fprofile-arcs -ftest-coverage
4014 add_ldflags --coverage
4017 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
4018 add_cflags -fno-strict-overflow -fstack-protector-all
4019 add_ldflags -Wl,-z,relro -Wl,-z,now
4021 add_ldexeflags -fPIE -pie
4024 die "Unknown toolchain $toolchain"
4028 if test -n "$cross_prefix"; then
4029 test -n "$arch" && test -n "$target_os" ||
4030 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
4031 enable cross_compile
4034 ar_default="${cross_prefix}${ar_default}"
4035 cc_default="${cross_prefix}${cc_default}"
4036 cxx_default="${cross_prefix}${cxx_default}"
4037 nm_default="${cross_prefix}${nm_default}"
4038 pkg_config_default="${cross_prefix}${pkg_config_default}"
4039 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
4040 ranlib_default="${cross_prefix}${ranlib_default} -D"
4042 ranlib_default="${cross_prefix}${ranlib_default}"
4044 strip_default="${cross_prefix}${strip_default}"
4045 windres_default="${cross_prefix}${windres_default}"
4047 sysinclude_default="${sysroot}/usr/include"
4049 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
4050 target_exec target_os x86asmexe nvcc
4051 enabled cross_compile || host_cc_default=$cc
4054 pkg_config_fail_message=""
4055 if ! $pkg_config --version >/dev/null 2>&1; then
4056 warn "$pkg_config not found, library detection may fail."
4058 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
4059 pkg_config_fail_message="
4060 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
4063 if test $doxygen != $doxygen_default && \
4064 ! $doxygen --version >/dev/null 2>&1; then
4065 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
4070 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
4074 EXESUF=$(exesuf $target_os)
4075 HOSTEXESUF=$(exesuf $host_os)
4077 # set temporary file name
4078 : ${TMPDIR:=$TEMPDIR}
4082 if [ -n "$tempprefix" ] ; then
4084 tmpname="$tempprefix.${HOSTNAME}.${UID}"
4088 elif ! test_cmd mktemp -u XXXXXX; then
4089 # simple replacement for missing mktemp
4090 # NOT SAFE FOR GENERAL USE
4092 tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"
4098 FFTMPDIR=$(mktemp -d "${TMPDIR}/ffconf.XXXXXXXX" 2> /dev/null) ||
4099 die "Unable to create temporary directory in $TMPDIR."
4102 tmp="${FFTMPDIR}/test"$2
4103 (set -C; exec > $tmp) 2> /dev/null ||
4104 die "Unable to create temporary file in $FFTMPDIR."
4108 trap 'rm -rf -- "$FFTMPDIR"' EXIT
4114 tmpfile TMPE $EXESUF
4126 # make sure we can execute files in $TMPDIR
4127 cat > $TMPSH 2>> $logfile <<EOF
4130 chmod +x $TMPSH >> $logfile 2>&1
4131 if ! $TMPSH >> $logfile 2>&1; then
4133 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
4134 variable to another directory and make sure that it is not mounted noexec.
4136 die "Sanity test failed."
4142 # Filter out MSVC cl.exe options from cflags that shouldn't
4143 # be passed to gas-preprocessor
4153 -Wno-switch) echo -Wno-switch-enum ;;
4154 -Wno-format-zero-length) ;;
4155 -Wdisabled-optimization) ;;
4156 -Wno-pointer-sign) echo -Wno-other ;;
4162 msvc_common_flags(){
4165 # In addition to specifying certain flags under the compiler
4166 # specific filters, they must be specified here as well or else the
4167 # generic catch all at the bottom will print the original flag.
4172 -fomit-frame-pointer) ;;
4176 -fno-signed-zeros) ;;
4180 -lz) echo zlib.lib ;;
4181 -lx264) echo libx264.lib ;;
4183 -l*) echo ${flag#-l}.lib ;;
4184 -LARGEADDRESSAWARE) echo $flag ;;
4185 -L*) echo -libpath:${flag#-L} ;;
4192 msvc_common_flags "$@"
4195 -Wall) echo -W3 -wd4018 -wd4146 -wd4244 -wd4305 \
4197 -Wextra) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
4198 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4199 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
4201 -wd4273 -wd4554 -wd4701 -wd4703 ;;
4207 msvc_common_flags "$@"
4210 # Despite what Intel's documentation says -Wall, which is supported
4211 # on Windows, does enable remarks so disable them here.
4212 -Wall) echo $flag -Qdiag-disable:remark ;;
4213 -std=c99) echo -Qstd=c99 ;;
4232 case "${flag#*=}" in
4233 native) echo -xtarget=native ;;
4234 v9|niagara) echo -xarch=sparc ;;
4235 ultrasparc) echo -xarch=sparcvis ;;
4236 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
4237 i586|pentium) echo -xchip=pentium ;;
4238 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
4239 pentium3*|c3-2) echo -xtarget=pentium3 ;;
4240 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
4241 pentium4*) echo -xtarget=pentium4 ;;
4242 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
4243 *-sse3) echo -xarch=sse3 ;;
4244 core2) echo -xarch=ssse3 -xchip=core2 ;;
4245 bonnell) echo -xarch=ssse3 ;;
4246 corei7|nehalem) echo -xtarget=nehalem ;;
4247 westmere) echo -xtarget=westmere ;;
4248 silvermont) echo -xarch=sse4_2 ;;
4249 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
4250 core-avx*|ivybridge|haswell|broadwell|skylake*|knl)
4252 amdfam10|barcelona) echo -xtarget=barcelona ;;
4253 btver1) echo -xarch=amdsse4a ;;
4254 btver2|bdver*|znver*) echo -xarch=avx ;;
4255 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
4256 k8|opteron|athlon64|athlon-fx)
4257 echo -xarch=sse2a ;;
4258 athlon*) echo -xarch=pentium_proa ;;
4261 -std=c99) echo -xc99 ;;
4262 -fomit-frame-pointer) echo -xregs=frameptr ;;
4263 -fPIC) echo -KPIC -xcode=pic32 ;;
4264 -W*,*) echo $flag ;;
4265 -f*-*|-W*|-mimpure-text) ;;
4277 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
4278 unset _ld_o _ldflags _ld_lib _ld_path
4279 unset _depflags _DEPCMD _DEPFLAGS
4282 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
4283 true # no-op to avoid reading stdin in following checks
4284 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
4286 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
4287 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
4288 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4291 elif $_cc -v 2>&1 | grep -qi ^gcc; then
4293 gcc_version=$($_cc --version | head -n1)
4294 gcc_basever=$($_cc -dumpversion)
4295 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
4296 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
4297 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
4298 case $gcc_basever in
4301 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
4303 if [ "$first" = true ]; then
4304 case $gcc_basever in
4306 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
4311 elif $_cc --version 2>/dev/null | grep -q ^icc; then
4313 _ident=$($_cc --version | head -n1)
4318 _flags_filter=icc_flags
4319 elif $_cc -v 2>&1 | grep -q xlc; then
4321 _ident=$($_cc -qversion 2>/dev/null | head -n1)
4323 _cflags_size='-O5 -qcompact'
4324 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
4325 test -d "$sysroot" || die "No valid sysroot specified."
4327 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
4328 armcc_conf="$PWD/armcc.conf"
4329 $_cc --arm_linux_configure \
4330 --arm_linux_config_file="$armcc_conf" \
4331 --configure_sysroot="$sysroot" \
4332 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
4333 die "Error creating armcc configuration file."
4334 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
4335 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
4336 as_default="${cross_prefix}gcc"
4340 elif $_cc -v 2>&1 | grep -q clang; then
4342 _ident=$($_cc --version 2>/dev/null | head -n1)
4343 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4346 elif $_cc -V 2>&1 | grep -q Sun; then
4348 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
4349 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
4350 _DEPFLAGS='-xM1 -xc99'
4353 _cflags_size='-O5 -xspace'
4354 _flags_filter=suncc_flags
4355 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
4357 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4358 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4361 _flags_filter='filter_out -Wdisabled-optimization'
4362 elif $_cc -v 2>&1 | grep -q Open64; then
4364 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4365 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4368 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
4369 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
4371 _ident=$($_cc | head -n1)
4372 # 4509: "This form of conditional instruction is deprecated"
4373 _flags="-nologo -ignore 4509"
4374 _flags_filter=armasm_flags
4375 elif $_cc 2>&1 | grep -q Intel; then
4377 _ident=$($_cc 2>&1 | head -n1)
4378 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
4379 # Not only is O3 broken on 13.x+ but it is slower on all previous
4380 # versions (tested) as well.
4382 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
4383 if $_cc 2>&1 | grep -q Linker; then
4390 _flags_filter=icl_flags
4392 _ld_path='-libpath:'
4393 # -Qdiag-error to make icl error when seeing certain unknown arguments
4394 _flags='-nologo -Qdiag-error:4044,10157'
4395 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
4396 # with MSVC which enables it by default.
4397 _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise'
4399 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
4400 # lld can emulate multiple different linkers; in ms link.exe mode,
4401 # the -? parameter gives the help output which contains an identifyable
4402 # string, while it gives an error in other modes.
4404 # The link.exe mode doesn't have a switch for getting the version,
4405 # but we can force it back to gnu mode and get the version from there.
4406 _ident=$($_cc -flavor gnu --version 2>/dev/null)
4408 _flags_filter=msvc_flags
4410 _ld_path='-libpath:'
4411 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
4413 _ident=$($_cc 2>&1 | head -n1 | tr -d '\r')
4414 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
4415 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
4419 if $_cc -nologo- 2>&1 | grep -q Linker; then
4426 _flags_filter=msvc_flags
4428 _ld_path='-libpath:'
4431 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
4433 _ident=$($_cc --version | head -n1)
4437 _flags_filter=cparser_flags
4440 eval ${pfx}_type=\$_type
4441 eval ${pfx}_ident=\$_ident
4445 eval ${1}_C=\${_cc_c-\${${1}_C}}
4446 eval ${1}_E=\${_cc_e-\${${1}_E}}
4447 eval ${1}_O=\${_cc_o-\${${1}_O}}
4449 if [ -n "$_depflags" ]; then
4450 eval ${1}_DEPFLAGS=\$_depflags
4452 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
4453 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
4454 eval DEP${1}FLAGS=\$_flags
4458 probe_cc cc "$cc" "true"
4459 cflags_filter=$_flags_filter
4460 cflags_speed=$_cflags_speed
4461 cflags_size=$_cflags_size
4462 cflags_noopt=$_cflags_noopt
4463 add_cflags $_flags $_cflags
4464 cc_ldflags=$_ldflags
4468 probe_cc hostcc "$host_cc"
4469 host_cflags_filter=$_flags_filter
4470 host_cflags_speed=$_cflags_speed
4471 add_host_cflags $_flags $_cflags
4474 test -n "$cc_type" && enable $cc_type ||
4475 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
4477 : ${as_default:=$cc}
4478 : ${objcc_default:=$cc}
4479 : ${dep_cc_default:=$cc}
4480 : ${ld_default:=$cc}
4481 : ${host_ld_default:=$host_cc}
4482 set_default ar as objcc dep_cc ld ln_s host_ld windres
4485 asflags_filter=$_flags_filter
4486 add_asflags $_flags $_cflags
4489 probe_cc objcc "$objcc"
4490 objcflags_filter=$_flags_filter
4491 add_objcflags $_flags $_cflags
4495 ldflags_filter=$_flags_filter
4496 add_ldflags $_flags $_ldflags
4497 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
4499 LD_LIB=${_ld_lib-$LD_LIB}
4500 LD_PATH=${_ld_path-$LD_PATH}
4502 probe_cc hostld "$host_ld"
4503 host_ldflags_filter=$_flags_filter
4504 add_host_ldflags $_flags $_ldflags
4505 HOSTLD_O=${_ld_o-$HOSTLD_O}
4507 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
4508 probe_cc depcc "$dep_cc"
4509 CCDEP=${_DEPCMD:-$DEPCMD}
4510 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
4514 if $ar 2>&1 | grep -q Microsoft; then
4517 elif $ar 2>&1 | grep -q "\[D\] "; then
4525 add_cflags $extra_cflags
4526 add_cxxflags $extra_cxxflags
4527 add_objcflags $extra_objcflags
4528 add_asflags $extra_cflags
4530 if test -n "$sysroot"; then
4533 add_cppflags --sysroot="$sysroot"
4534 add_ldflags --sysroot="$sysroot"
4539 if test "$cpu" = host; then
4540 enabled cross_compile &&
4541 die "--cpu=host makes no sense when cross-compiling."
4546 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4548 s/.*$1=\\([^ ]*\\).*/\\1/
4553 cpu=$(check_native -march || check_native -mcpu)
4557 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4558 sed -n "/cc1.*-target-cpu /{
4559 s/.*-target-cpu \\([^ ]*\\).*/\\1/
4564 cpu=$(check_native -march)
4568 test "${cpu:-host}" = host &&
4569 die "--cpu=host not supported with compiler $cc"
4572 # Deal with common $arch aliases
4596 "Power Macintosh"|ppc*|powerpc*)
4611 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
4616 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
4619 # Add processor-specific flags
4620 if enabled aarch64; then
4624 cpuflags="-march=$cpu"
4627 cpuflags="-mcpu=$cpu"
4631 elif enabled alpha; then
4633 cpuflags="-mcpu=$cpu"
4635 elif enabled arm; then
4638 test_cpp_condition stddef.h \
4639 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4644 if check_arm_arch 4; then echo armv4
4645 elif check_arm_arch 4T; then echo armv4t
4646 elif check_arm_arch 5; then echo armv5
4647 elif check_arm_arch 5E; then echo armv5e
4648 elif check_arm_arch 5T; then echo armv5t
4649 elif check_arm_arch 5TE; then echo armv5te
4650 elif check_arm_arch 5TEJ; then echo armv5te
4651 elif check_arm_arch 6; then echo armv6
4652 elif check_arm_arch 6J; then echo armv6j
4653 elif check_arm_arch 6K; then echo armv6k
4654 elif check_arm_arch 6Z; then echo armv6z
4655 elif check_arm_arch 6KZ; then echo armv6zk
4656 elif check_arm_arch 6ZK; then echo armv6zk
4657 elif check_arm_arch 6T2; then echo armv6t2
4658 elif check_arm_arch 7; then echo armv7
4659 elif check_arm_arch 7A 7_A; then echo armv7-a
4660 elif check_arm_arch 7S; then echo armv7-a
4661 elif check_arm_arch 7R 7_R; then echo armv7-r
4662 elif check_arm_arch 7M 7_M; then echo armv7-m
4663 elif check_arm_arch 7EM 7E_M; then echo armv7-m
4664 elif check_arm_arch 8A 8_A; then echo armv8-a
4668 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4672 cpuflags="-march=$cpu"
4673 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4676 cpuflags="-mcpu=$cpu"
4678 cortex-a*) subarch=armv7a ;;
4679 cortex-r*) subarch=armv7r ;;
4680 cortex-m*) enable thumb; subarch=armv7m ;;
4681 arm11*) subarch=armv6 ;;
4682 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4683 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4684 *) subarch=$(probe_arm_arch) ;;
4690 armv5t*) enable fast_clz ;;
4693 disabled fast_unaligned || enable fast_unaligned
4697 elif enabled avr32; then
4702 cpuflags="-mpart=$cpu"
4706 cpuflags="-march=$cpu"
4710 cpuflags="-mcpu=$cpu"
4714 cpuflags="-march=$cpu"
4718 elif enabled bfin; then
4720 cpuflags="-mcpu=$cpu"
4722 elif enabled mips; then
4724 cpuflags="-march=$cpu"
4726 if [ "$cpu" != "generic" ]; then
4736 24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)
4747 enable local_aligned
4748 enable simd_align_16
4752 enable fast_unaligned
4753 disable aligned_stack
4759 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4762 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4765 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4770 # Unknown CPU. Disable everything.
4771 warn "unknown CPU. Disabling all MIPS optimizations."
4794 24kef*|34kf*|1004kf*)
4802 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"
4806 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4810 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4814 # We do not disable anything. Is up to the user to disable the unwanted features.
4815 warn 'generic cpu selected'
4818 elif enabled ppc; then
4822 case $(tolower $cpu) in
4823 601|ppc601|powerpc601)
4824 cpuflags="-mcpu=601"
4827 603*|ppc603*|powerpc603*)
4828 cpuflags="-mcpu=603"
4831 604*|ppc604*|powerpc604*)
4832 cpuflags="-mcpu=604"
4835 g3|75*|ppc75*|powerpc75*)
4836 cpuflags="-mcpu=750"
4839 g4|745*|ppc745*|powerpc745*)
4840 cpuflags="-mcpu=7450"
4843 74*|ppc74*|powerpc74*)
4844 cpuflags="-mcpu=7400"
4847 g5|970|ppc970|powerpc970)
4848 cpuflags="-mcpu=970"
4852 cpuflags="-mcpu=$cpu"
4856 cpuflags="-mcpu=$cpu"
4859 cpuflags="-mcpu=cell"
4864 cpuflags="-mcpu=e500mc"
4868 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4873 cpuflags="-mcpu=8540 -mhard-float"
4879 elif enabled sparc; then
4882 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4883 cpuflags="-mcpu=$cpu"
4885 ultrasparc*|niagara[234])
4886 cpuflags="-mcpu=$cpu"
4890 elif enabled x86; then
4894 cpuflags="-march=$cpu"
4898 # targets that do NOT support nopl and conditional mov (cmov)
4899 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4900 cpuflags="-march=$cpu"
4903 # targets that do support nopl and conditional mov (cmov)
4904 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4905 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\
4906 |amdfam10|barcelona|b[dt]ver*|znver*)
4907 cpuflags="-march=$cpu"
4911 # targets that do support conditional mov but on which it's slow
4912 pentium4|pentium4m|prescott|nocona)
4913 cpuflags="-march=$cpu"
4921 if [ "$cpu" != generic ]; then
4922 add_cflags $cpuflags
4923 add_asflags $cpuflags
4924 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4927 # compiler sanity check
4929 int main(void){ return 0; }
4931 if test "$?" != 0; then
4932 echo "$cc is unable to create an executable file."
4933 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4934 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4935 echo "Only do this if you know what cross compiling means."
4937 die "C compiler test failed."
4940 add_cppflags -D_ISOC99_SOURCE
4941 add_cxxflags -D__STDC_CONSTANT_MACROS
4942 check_cxxflags -std=c++11 || check_cxxflags -std=c++0x
4944 # some compilers silently accept -std=c11, so we also need to check that the
4945 # version macro is defined properly
4946 test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L" &&
4947 add_cflags -std=c11 ||
4948 check_cflags -std=c99
4950 check_cppflags -D_FILE_OFFSET_BITS=64
4951 check_cppflags -D_LARGEFILE_SOURCE
4953 add_host_cppflags -D_ISOC99_SOURCE
4954 check_host_cflags -std=c99
4955 check_host_cflags -Wall
4956 check_host_cflags $host_cflags_speed
4961 expr=${3:-'sizeof(void *) > 4'}
4962 test_code cc "" "int test[2*($expr) - 1]" &&
4963 subarch=$arch64 || subarch=$arch32
4969 enabled shared && enable_weak pic
4972 check_64bit mips mips64 '_MIPS_SIM > 1'
4973 enabled shared && enable_weak pic
4976 check_64bit parisc parisc64
4977 enabled shared && enable_weak pic
4980 check_64bit ppc ppc64
4981 enabled shared && enable_weak pic
4984 check_64bit s390 s390x
4985 enabled shared && enable_weak pic
4988 check_64bit sparc sparc64
4989 enabled shared && enable_weak pic
4992 check_64bit x86_32 x86_64
4993 # Treat x32 as x64 for now. Note it also needs pic if shared
4994 test "$subarch" = "x86_32" && test_cpp_condition stddef.h 'defined(__x86_64__)' &&
4995 subarch=x86_64 && enable x86_64 && disable x86_32
4996 if enabled x86_64; then
4997 enabled shared && enable_weak pic
5007 add_cppflags '-I\$(SRC_PATH)/compat/aix'
5008 enabled shared && add_ldflags -Wl,-brtl
5009 arflags='-Xany -r -c'
5013 enable section_data_rel_ro
5014 SLIB_INSTALL_NAME='$(SLIBNAME)'
5016 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
5019 prefix_default="/boot/common"
5020 network_extralibs="-lnetwork"
5024 SHFLAGS='-shared -Wl,-h,$$(@F)'
5025 enabled x86 && append SHFLAGS -mimpure-text
5026 network_extralibs="-lsocket -lnsl"
5027 add_cppflags -D__EXTENSIONS__
5028 # When using suncc to build, the Solaris linker will mark
5029 # an executable with each instruction set encountered by
5030 # the Solaris assembler. As our libraries contain their own
5031 # guards for processor-specific code, instead suppress
5032 # generation of the HWCAPS ELF section on Solaris x86 only.
5033 enabled_all suncc x86 &&
5034 echo "hwcap_1 = OVERRIDE;" > mapfile &&
5035 add_ldflags -Wl,-M,mapfile
5036 nm_default='nm -P -g'
5038 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
5042 oss_indev_extralibs="-lossaudio"
5043 oss_outdev_extralibs="-lossaudio"
5044 enabled gcc || check_ldflags -Wl,-zmuldefs
5049 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
5051 oss_indev_extralibs="-lossaudio"
5052 oss_outdev_extralibs="-lossaudio"
5060 add_extralibs -lpoll -lgnugetopt
5064 enabled ppc && add_asflags -force_cpusubtype_ALL
5065 install_name_dir_default='$(SHLIBDIR)'
5066 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
5067 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
5069 add_ldflags -Wl,-dynamic,-search_paths_first
5070 check_cflags -Werror=partial-availability
5072 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
5073 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
5074 enabled x86_64 && objformat="macho64" || objformat="macho32"
5075 enabled_any pic shared x86_64 ||
5076 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
5077 check_header dispatch/dispatch.h &&
5078 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
5079 if test -n "$sysroot"; then
5080 is_in -isysroot $cc $CPPFLAGS $CFLAGS || check_cppflags -isysroot $sysroot
5081 is_in -isysroot $ld $LDFLAGS || check_ldflags -isysroot $sysroot
5083 version_script='-exported_symbols_list'
5084 VERSION_SCRIPT_POSTPROCESS_CMD='tr " " "\n" | sed -n /global:/,/local:/p | grep ";" | tr ";" "\n" | sed -E "s/(.+)/_\1/g" | sed -E "s/(.+[^*])$$$$/\1*/"'
5087 die "Native MSYS builds are discouraged, please use the MINGW environment."
5092 if enabled x86_64; then
5093 LIBTARGET="i386:x86-64"
5094 elif enabled arm; then
5096 elif enabled aarch64; then
5099 if enabled shared; then
5100 # Cannot build both shared and static libs when using dllimport.
5103 enabled shared && ! enabled small && test_cmd $windres --version && enable gnu_windres
5104 enabled x86_32 && check_ldflags -Wl,--large-address-aware
5105 shlibdir_default="$bindir_default"
5108 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5109 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5110 if test_cmd lib.exe -list; then
5111 SLIB_EXTRA_CMD=-'lib.exe -nologo -machine:$(LIBTARGET) -def:$$(@:$(SLIBSUF)=.def) -out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
5112 if enabled x86_64; then
5116 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
5118 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5120 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
5121 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
5122 SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" AR="$(AR_CMD)" NM="$(NM_CMD)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
5123 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--disable-auto-image-base $$(@:$(SLIBSUF)=.def)'
5124 enabled x86_64 && objformat="win64" || objformat="win32"
5125 dlltool="${cross_prefix}dlltool"
5128 check_ldflags -Wl,--nxcompat,--dynamicbase
5129 # Lets work around some stupidity in binutils.
5130 # ld will strip relocations from executables even though we need them
5131 # for dynamicbase (ASLR). Using -pie does retain the reloc section
5132 # however ld then forgets what the entry point should be (oops) so we
5133 # have to manually (re)set it.
5134 if enabled x86_32; then
5135 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
5136 elif enabled x86_64; then
5137 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
5138 check_ldflags -Wl,--high-entropy-va # binutils 2.25
5139 # Set image base >4GB for extra entropy with HEASLR
5140 add_ldexeflags -Wl,--image-base,0x140000000
5141 append SHFLAGS -Wl,--image-base,0x180000000
5146 if enabled shared; then
5147 # Link to the import library instead of the normal static library
5150 # Cannot build both shared and static libs with MSVC or icl.
5153 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
5154 shlibdir_default="$bindir_default"
5157 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5158 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5159 SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
5160 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5162 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
5163 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
5164 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
5165 enabled x86_64 && objformat="win64" || objformat="win32"
5171 shlibdir_default="$bindir_default"
5174 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5175 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5176 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5178 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
5179 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
5180 enabled x86_64 && objformat="win64" || objformat="win32"
5182 enabled shared && ! enabled small && test_cmd $windres --version && enable gnu_windres
5183 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5185 *-dos|freedos|opendos)
5186 network_extralibs="-lsocket"
5189 add_cppflags -U__STRICT_ANSI__
5192 enable section_data_rel_ro
5193 enabled_any arm aarch64 && enable_weak linux_perf
5197 ranlib="echo ignoring ranlib"
5203 add_cppflags -D_GNU_SOURCE
5204 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap
5205 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
5209 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5210 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
5211 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \
5212 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \
5213 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \
5214 echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \
5215 emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def'
5216 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \
5217 emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;'
5218 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5220 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib'
5222 enable_weak os2threads
5225 add_cppflags -D_BSD_SOURCE
5230 add_cppflags -D_QNX_SOURCE
5231 network_extralibs="-lsocket"
5236 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
5237 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
5238 add_ldflags -Wl,--target1-abs,--no-undefined \
5239 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
5240 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
5241 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
5242 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
5243 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
5250 die "Unknown OS '$target_os'."
5254 # test if creating links works
5255 link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)
5256 link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)
5258 $ln_s "$link_dest" "$link_name"
5259 touch "$link_dest/test_file"
5260 if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then
5261 # create link to source path
5262 [ -e src ] && rm src
5263 $ln_s "$source_path" src
5266 # creating directory links doesn't work
5267 # fall back to using the full source path
5268 source_link="$source_path"
5274 # determine libc flavour
5279 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
5280 if test_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
5281 eval ${pfx}libc_type=uclibc
5282 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5283 elif test_${pfx}cpp_condition features.h "defined __GLIBC__"; then
5284 eval ${pfx}libc_type=glibc
5285 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5286 # MinGW headers can be installed on Cygwin, so check for newlib first.
5287 elif test_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
5288 eval ${pfx}libc_type=newlib
5289 add_${pfx}cppflags -U__STRICT_ANSI__ -D_XOPEN_SOURCE=600
5290 # MinGW64 is backwards compatible with MinGW32, so check for it first.
5291 elif test_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
5292 eval ${pfx}libc_type=mingw64
5293 if test_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
5294 add_compat msvcrt/snprintf.o
5295 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
5297 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5298 eval test \$${pfx_no_}cc_type = "gcc" &&
5299 add_${pfx}cppflags -D__printf__=__gnu_printf__
5300 test_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&
5301 add_${pfx}cppflags -D_WIN32_WINNT=0x0600
5302 elif test_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
5303 test_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
5304 eval ${pfx}libc_type=mingw32
5305 test_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
5306 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
5307 die "ERROR: MinGW32 runtime version must be >= 3.15."
5308 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5309 test_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700" &&
5310 add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700
5311 test_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&
5312 add_${pfx}cppflags -D_WIN32_WINNT=0x0600
5313 eval test \$${pfx_no_}cc_type = "gcc" &&
5314 add_${pfx}cppflags -D__printf__=__gnu_printf__
5315 elif test_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
5316 eval ${pfx}libc_type=msvcrt
5317 if test_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
5318 if [ "$pfx" = host_ ]; then
5319 add_host_cppflags -Dsnprintf=_snprintf
5321 add_compat strtod.o strtod=avpriv_strtod
5322 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
5323 _snprintf=avpriv_snprintf \
5324 vsnprintf=avpriv_vsnprintf
5327 add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS
5328 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
5329 # 0x601 by default unless something else is set by the user.
5330 # This can easily lead to us detecting functions only present
5331 # in such new versions and producing binaries requiring windows 7.0.
5332 # Therefore explicitly set the default to Vista unless the user has
5333 # set something else on the command line.
5334 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
5335 # family. For these cases, configure is free to use any functions
5336 # found in the SDK headers by default. (Alternatively, we could force
5337 # _WIN32_WINNT to 0x0602 in that case.)
5338 test_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
5339 { test_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0600; }
5340 #ifdef WINAPI_FAMILY
5341 #include <winapifamily.h>
5342 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
5347 if [ "$pfx" = "" ]; then
5348 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
5349 check_func strtoull || add_cflags -Dstrtoull=_strtoui64
5351 elif test_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
5352 eval ${pfx}libc_type=klibc
5353 elif test_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
5354 eval ${pfx}libc_type=bionic
5355 elif test_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
5356 eval ${pfx}libc_type=solaris
5357 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
5361 void *v = localtime_r;
5363 test "$?" != 0 && test_${pfx}cc -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 <<EOF && add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5365 void *v = localtime_r;
5368 eval test -n "\${${pfx}libc_type}" && enable ${pfx}libc_${libc_type}
5374 # hacks for compiler/libc/os combinations
5378 add_compat strtod.o strtod=avpriv_strtod
5382 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
5383 add_cppflags '-I\$(SRC_PATH)/compat/float'
5385 test_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
5388 : ${shlibdir_default:="$libdir"}
5389 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
5391 set_default $PATHS_LIST
5394 disabled optimizations || enabled ossfuzz || check_cflags -fomit-frame-pointer
5397 disabled pic && return
5400 case "$target_os" in
5401 mingw*|cygwin*|win*)
5410 enabled pic && enable_weak_pic
5412 test_cc <<EOF || die "Symbol mangling check failed."
5415 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
5416 extern_prefix=${sym%%ff_extern*}
5418 ! disabled inline_asm && check_inline_asm inline_asm '"" ::'
5420 for restrict_keyword in restrict __restrict__ __restrict ""; do
5421 test_code cc "" "char * $restrict_keyword p" && break
5424 check_cc pragma_deprecated "" '_Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")'
5426 # The global variable ensures the bits appear unchanged in the object file.
5427 test_cc <<EOF || die "endian test failed"
5428 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
5430 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
5432 check_cc const_nan math.h "struct { double d; } static const bar[] = { { NAN } }"
5434 if ! enabled ppc64 || enabled bigendian; then
5439 log "check_gas using '$as' as AS"
5440 # :vararg is used on aarch64, arm and ppc altivec
5442 .macro m n, y:vararg=0
5446 # .altmacro is only used in arm asm
5447 ! enabled arm || check_as gnu_as ".altmacro"
5450 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
5452 enabled_any arm aarch64 && nogas=die
5453 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
5457 arm*) gaspp_as_type=armasm; as_noop=-h ;;
5458 gcc) gaspp_as_type=gas ;;
5459 *) gaspp_as_type=$as_type ;;
5462 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
5464 test "${as#*gas-preprocessor.pl}" != "$as" ||
5465 test_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
5466 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
5468 if ! check_gas ; then
5471 $nogas "GNU assembler not found, install/update gas-preprocessor"
5474 check_as as_func ".func test
5478 check_inline_asm inline_asm_labels '"1:\n"'
5480 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
5482 if enabled aarch64; then
5483 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
5484 # internal assembler in clang 3.3 does not support this instruction
5485 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
5486 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
5488 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
5490 elif enabled alpha; then
5494 elif enabled arm; then
5496 enabled msvc && check_cpp_condition thumb stddef.h "defined _M_ARMT"
5497 test_cpp_condition stddef.h "defined __thumb__" && test_cc <<EOF && enable_weak thumb
5498 float func(float a, float b){ return a+b; }
5500 enabled thumb && check_cflags -mthumb || check_cflags -marm
5502 if check_cpp_condition vfp_args stddef.h "defined __ARM_PCS_VFP"; then
5504 elif check_cpp_condition vfp_args stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
5506 elif ! test_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
5507 case "${cross_prefix:-$cc}" in
5508 *hardfloat*) enable vfp_args; fpabi=vfp ;;
5509 *) check_ld "cc" vfp_args <<EOF && fpabi=vfp || fpabi=soft ;;
5510 __asm__ (".eabi_attribute 28, 1");
5511 int main(void) { return 0; }
5514 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
5517 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
5518 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
5519 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
5520 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
5521 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
5522 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
5523 enabled setend && check_insn setend 'setend be'
5525 [ $target_os = linux ] || [ $target_os = android ] ||
5526 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
5529 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
5531 check_as as_arch_directive ".arch armv7-a"
5532 check_as as_dn_directive "ra .dn d0.i16"
5533 check_as as_fpu_directive ".fpu neon"
5535 # llvm's integrated assembler supports .object_arch from llvm 3.5
5536 [ "$objformat" = elf32 ] || [ "$objformat" = elf64 ] &&
5537 check_as as_object_arch ".object_arch armv4"
5539 # MS armasm fails to assemble our PIC constructs
5540 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
5542 elif enabled mips; then
5544 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
5545 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
5546 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
5548 # Enable minimum ISA based on selected options
5549 if enabled mips64; then
5550 enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'
5551 enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'
5552 disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'
5554 enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'
5555 enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'
5556 enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'
5557 disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'
5560 enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'
5561 enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'
5562 enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_header msa.h || disable msa
5563 enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'
5564 enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'
5566 if enabled bigendian && enabled msa; then
5570 elif enabled parisc; then
5572 if enabled gcc; then
5573 case $($cc -dumpversion) in
5574 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
5578 elif enabled ppc; then
5580 enable local_aligned
5582 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
5583 check_inline_asm ibm_asm '"add 0, 0, 0"'
5584 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
5585 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
5587 if enabled altivec; then
5588 check_cflags -maltivec -mabi=altivec
5590 # check if our compiler supports Motorola AltiVec C API
5591 check_cc altivec altivec.h "vector signed int v1 = (vector signed int) { 0 };
5592 vector signed int v2 = (vector signed int) { 1 };
5593 v1 = vec_add(v1, v2);"
5595 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
5598 if enabled vsx; then
5599 check_cflags -mvsx &&
5600 check_cc vsx altivec.h "int v[4] = { 0 };
5601 vector signed int v1 = vec_vsx_ld(0, v);"
5604 if enabled power8; then
5605 check_cpp_condition power8 "altivec.h" "defined(_ARCH_PWR8)"
5608 elif enabled x86; then
5610 check_builtin rdtsc intrin.h "__rdtsc()"
5611 check_builtin mm_empty mmintrin.h "_mm_empty()"
5613 enable local_aligned
5615 # check whether EBP is available on x86
5616 # As 'i' is stored on the stack, this program will crash
5617 # if the base pointer is used to access it because the
5618 # base pointer is cleared in the inline assembly code.
5619 check_exec_crash <<EOF && enable ebp_available
5621 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
5625 # check whether EBX is available on x86
5626 check_inline_asm ebx_available '""::"b"(0)' &&
5627 check_inline_asm ebx_available '"":::"%ebx"'
5629 # check whether xmm clobbers are supported
5630 check_inline_asm xmm_clobbers '"":::"%xmm0"'
5632 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
5633 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
5635 # check whether binutils is new enough to compile SSSE3/MMXEXT
5636 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
5637 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
5641 if test_cmd $x86asmexe_probe -v; then
5642 x86asmexe=$x86asmexe_probe
5644 x86asm_debug="-g -F dwarf"
5646 X86ASM_DEPFLAGS='-MD $(@:.o=.d)'
5647 elif test_cmd $x86asmexe_probe --version; then
5648 x86asmexe=$x86asmexe_probe
5650 x86asm_debug="-g dwarf2"
5651 X86ASMDEP='$(DEPX86ASM) $(X86ASMFLAGS) -M $(X86ASM_O) $< > $(@:.o=.d)'
5654 check_x86asm x86asm "movbe ecx, [5]"
5657 if ! disabled_any asm mmx x86asm; then
5659 for program in $x86asmexe nasm yasm; do
5660 probe_x86asm $program && break
5662 disabled x86asm && die "nasm/yasm not found or too old. Use --disable-x86asm for a crippled build."
5663 X86ASMFLAGS="-f $objformat"
5664 enabled pic && append X86ASMFLAGS "-DPIC"
5665 test -n "$extern_prefix" && append X86ASMFLAGS "-DPREFIX"
5666 case "$objformat" in
5667 elf*) enabled debug && append X86ASMFLAGS $x86asm_debug ;;
5670 check_x86asm avx512_external "vmovdqa32 [eax]{k1}{z}, zmm0"
5671 check_x86asm avx2_external "vextracti128 xmm0, ymm0, 0"
5672 check_x86asm xop_external "vpmacsdd xmm0, xmm1, xmm2, xmm3"
5673 check_x86asm fma4_external "vfmaddps ymm0, ymm1, ymm2, ymm3"
5674 check_x86asm cpunop "CPU amdnop"
5678 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
5685 check_cc intrinsics_neon arm_neon.h "int16x8_t test = vdupq_n_s16(0)"
5687 check_ldflags -Wl,--as-needed
5688 check_ldflags -Wl,-z,noexecstack
5690 if ! disabled network; then
5691 check_func getaddrinfo $network_extralibs
5692 check_func inet_aton $network_extralibs
5694 check_type netdb.h "struct addrinfo"
5695 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
5696 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
5697 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
5698 check_type poll.h "struct pollfd"
5699 check_type netinet/sctp.h "struct sctp_event_subscribe"
5700 check_struct "sys/socket.h" "struct msghdr" msg_flags
5701 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5702 check_type netinet/in.h "struct sockaddr_in6"
5703 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
5704 check_type "sys/types.h sys/socket.h" socklen_t
5706 # Prefer arpa/inet.h over winsock2
5707 if check_header arpa/inet.h ; then
5708 check_func closesocket
5709 elif check_header winsock2.h ; then
5710 check_func_headers winsock2.h closesocket -lws2 &&
5711 network_extralibs="-lws2" ||
5712 { check_func_headers winsock2.h closesocket -lws2_32 &&
5713 network_extralibs="-lws2_32"; } || disable winsock2_h network
5714 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
5716 check_type ws2tcpip.h socklen_t
5717 check_type ws2tcpip.h "struct addrinfo"
5718 check_type ws2tcpip.h "struct group_source_req"
5719 check_type ws2tcpip.h "struct ip_mreq_source"
5720 check_type ws2tcpip.h "struct ipv6_mreq"
5721 check_type winsock2.h "struct pollfd"
5722 check_struct winsock2.h "struct sockaddr" sa_len
5723 check_type ws2tcpip.h "struct sockaddr_in6"
5724 check_type ws2tcpip.h "struct sockaddr_storage"
5730 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
5731 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
5732 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
5733 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
5734 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
5735 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
5736 check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR"
5738 case "$custom_allocator" in
5740 # jemalloc by default does not use a prefix
5741 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
5744 require_pkg_config libtcmalloc libtcmalloc gperftools/tcmalloc.h tc_malloc
5749 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
5750 check_func ${malloc_prefix}memalign && enable memalign
5751 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5754 check_func_headers stdlib.h arc4random
5755 check_lib clock_gettime time.h clock_gettime || check_lib clock_gettime time.h clock_gettime -lrt
5758 check_func gethrtime
5760 check_func getrusage
5761 check_func gettimeofday
5766 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5767 check_func_headers time.h nanosleep || check_lib nanosleep time.h nanosleep -lrt
5768 check_func sched_getaffinity
5769 check_func setrlimit
5770 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5771 check_func strerror_r
5776 check_func_headers conio.h kbhit
5777 check_func_headers io.h setmode
5778 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5779 check_func_headers mach/mach_time.h mach_absolute_time
5780 check_func_headers stdlib.h getenv
5781 check_func_headers sys/stat.h lstat
5783 check_func_headers windows.h GetProcessAffinityMask
5784 check_func_headers windows.h GetProcessTimes
5785 check_func_headers windows.h GetSystemTimeAsFileTime
5786 check_func_headers windows.h LoadLibrary
5787 check_func_headers windows.h MapViewOfFile
5788 check_func_headers windows.h PeekNamedPipe
5789 check_func_headers windows.h SetConsoleTextAttribute
5790 check_func_headers windows.h SetConsoleCtrlHandler
5791 check_func_headers windows.h Sleep
5792 check_func_headers windows.h VirtualAlloc
5793 check_func_headers glob.h glob
5795 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5797 check_header direct.h
5798 check_header dirent.h
5799 check_header dxgidebug.h
5801 check_header dxva2api.h -D_WIN32_WINNT=0x0600
5803 check_header libcrystalhd/libcrystalhd_if.h
5804 check_header malloc.h
5805 check_header net/udplite.h
5807 check_header sys/param.h
5808 check_header sys/resource.h
5809 check_header sys/select.h
5810 check_header sys/time.h
5811 check_header sys/un.h
5812 check_header termios.h
5813 check_header unistd.h
5814 check_header valgrind/valgrind.h
5815 check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox
5816 check_header windows.h
5817 check_header X11/extensions/XvMClib.h
5818 check_header asm/types.h
5820 # it seems there are versions of clang in some distros that try to use the
5821 # gcc headers, which explodes for stdatomic
5822 # so we also check that atomics actually work here
5823 check_builtin stdatomic stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0)"
5825 check_lib advapi32 "windows.h" RegCloseKey -ladvapi32
5826 check_lib ole32 "windows.h" CoTaskMemFree -lole32
5827 check_lib shell32 "windows.h shellapi.h" CommandLineToArgvW -lshell32
5828 check_lib wincrypt "windows.h wincrypt.h" CryptGenRandom -ladvapi32
5829 check_lib psapi "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5831 check_lib android android/native_window.h ANativeWindow_acquire -landroid
5832 check_lib mediandk "stdint.h media/NdkImage.h" AImage_delete -lmediandk
5833 check_lib camera2ndk "stdbool.h stdint.h camera/NdkCameraManager.h" ACameraManager_create -lcamera2ndk
5835 enabled appkit && check_apple_framework AppKit
5836 enabled audiotoolbox && check_apple_framework AudioToolbox
5837 enabled avfoundation && check_apple_framework AVFoundation
5838 enabled coreimage && check_apple_framework CoreImage
5839 enabled videotoolbox && check_apple_framework VideoToolbox
5841 check_apple_framework CoreFoundation
5842 check_apple_framework CoreMedia
5843 check_apple_framework CoreVideo
5845 enabled avfoundation && {
5846 disable coregraphics applicationservices
5847 check_lib coregraphics CoreGraphics/CoreGraphics.h CGGetActiveDisplayList "-framework CoreGraphics" ||
5848 check_lib applicationservices ApplicationServices/ApplicationServices.h CGGetActiveDisplayList "-framework ApplicationServices"; }
5850 enabled videotoolbox && {
5851 check_lib coreservices CoreServices/CoreServices.h UTGetOSTypeFromString "-framework CoreServices"
5852 check_func_headers CoreMedia/CMFormatDescription.h kCMVideoCodecType_HEVC "-framework CoreMedia"
5855 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
5857 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5858 check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5859 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
5860 check_type "windows.h d3d11.h" "ID3D11VideoContext"
5861 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
5863 check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC"
5864 check_type "va/va.h va/va_dec_vp8.h" "VAPictureParameterBufferVP8"
5865 check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth
5866 check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"
5867 check_type "va/va.h va/va_enc_h264.h" "VAEncPictureParameterBufferH264"
5868 check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"
5869 check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"
5870 check_type "va/va.h va/va_enc_mpeg2.h" "VAEncPictureParameterBufferMPEG2"
5871 check_type "va/va.h va/va_enc_vp8.h" "VAEncPictureParameterBufferVP8"
5872 check_type "va/va.h va/va_enc_vp9.h" "VAEncPictureParameterBufferVP9"
5874 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
5876 if ! disabled ffnvcodec; then
5877 check_pkg_config ffnvcodec "ffnvcodec >= 8.0.14.1" \
5878 "ffnvcodec/nvEncodeAPI.h ffnvcodec/dynlink_cuda.h ffnvcodec/dynlink_cuviddec.h ffnvcodec/dynlink_nvcuvid.h" ""
5881 check_cpp_condition winrt windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)"
5883 if ! disabled w32threads && ! enabled pthreads; then
5884 check_func_headers "windows.h process.h" _beginthreadex &&
5885 check_type "windows.h" CONDITION_VARIABLE &&
5886 enable w32threads || disable w32threads
5887 if ! enabled w32threads && enabled winrt; then
5888 check_func_headers "windows.h" CreateThread &&
5889 enable w32threads || disable w32threads
5893 # check for some common methods of building with pthread support
5894 # do this before the optional library checks as some of them require pthreads
5895 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
5896 if check_lib pthreads pthread.h pthread_join -pthread &&
5897 check_lib pthreads pthread.h pthread_create -pthread; then
5899 elif check_lib pthreads pthread.h pthread_join -pthreads &&
5900 check_lib pthreads pthread.h pthread_create -pthreads; then
5901 add_cflags -pthreads
5902 elif check_lib pthreads pthread.h pthread_join -ldl -pthread &&
5903 check_lib pthreads pthread.h pthread_create -ldl -pthread; then
5904 add_cflags -ldl -pthread
5905 elif check_lib pthreads pthread.h pthread_join -lpthreadGC2 &&
5906 check_lib pthreads pthread.h pthread_create -lpthreadGC2; then
5908 elif check_lib pthreads pthread.h pthread_join -lpthread &&
5909 check_lib pthreads pthread.h pthread_create -lpthread; then
5911 elif check_func pthread_join && check_func pthread_create; then
5914 check_cc pthreads "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER"
5916 if enabled pthreads; then
5917 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" $pthreads_extralibs
5918 check_func pthread_cancel $pthreads_extralibs
5922 enabled zlib && check_lib zlib zlib.h zlibVersion -lz
5923 enabled bzlib && check_lib bzlib bzlib.h BZ2_bzlibVersion -lbz2
5924 enabled lzma && check_lib lzma lzma.h lzma_version_number -llzma
5926 # On some systems dynamic loading requires no extra linker flags
5927 check_lib libdl dlfcn.h "dlopen dlsym" || check_lib libdl dlfcn.h "dlopen dlsym" -ldl
5929 check_lib libm math.h sin -lm
5937 for func in $MATH_FUNCS; do
5938 eval check_mathfunc $func \${${func}_args:-1} $libm_extralibs
5941 for func in $COMPLEX_FUNCS; do
5942 eval check_complexfunc $func \${${func}_args:-1}
5945 # these are off by default, so fail if requested and not available
5946 enabled cuda_sdk && require cuda_sdk cuda.h cuCtxCreate -lcuda
5947 enabled chromaprint && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
5948 enabled decklink && { require_header DeckLinkAPI.h &&
5949 { test_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a060100" || die "ERROR: Decklink API version must be >= 10.6.1."; } }
5950 enabled libndi_newtek && require_header Processing.NDI.Lib.h
5951 enabled frei0r && require_header frei0r.h
5952 enabled gmp && require gmp gmp.h mpz_export -lgmp
5953 enabled gnutls && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init
5954 enabled jni && { [ $target_os = "android" ] && check_header jni.h && enabled pthreads || die "ERROR: jni not found"; }
5955 enabled ladspa && require_header ladspa.h
5956 enabled libaom && require_pkg_config libaom "aom >= 0.1.0" aom/aom_codec.h aom_codec_version
5957 enabled lv2 && require_pkg_config lv2 lilv-0 "lilv-0/lilv/lilv.h" lilv_world_new
5958 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
5959 enabled libass && require_pkg_config libass libass ass/ass.h ass_library_init
5960 enabled libbluray && require_pkg_config libbluray libbluray libbluray/bluray.h bd_open
5961 enabled libbs2b && require_pkg_config libbs2b libbs2b bs2b.h bs2b_open
5962 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
5963 { check_lib libcelt celt/celt.h celt_decoder_create_custom -lcelt0 ||
5964 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
5965 enabled libcaca && require_pkg_config libcaca caca caca.h caca_create_canvas
5966 enabled libcodec2 && require libcodec2 codec2/codec2.h codec2_create -lcodec2
5967 enabled libdc1394 && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new
5968 enabled libdrm && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion
5969 enabled libfdk_aac && { check_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
5970 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
5971 warn "using libfdk without pkg-config"; } }
5972 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"
5973 enabled libflite && require libflite "flite/flite.h" flite_init $flite_extralibs
5974 enabled fontconfig && enable libfontconfig
5975 enabled libfontconfig && require_pkg_config libfontconfig fontconfig "fontconfig/fontconfig.h" FcInit
5976 enabled libfreetype && require_pkg_config libfreetype freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType
5977 enabled libfribidi && require_pkg_config libfribidi fribidi fribidi.h fribidi_version_info
5978 enabled libgme && { check_pkg_config libgme libgme gme/gme.h gme_new_emu ||
5979 require libgme gme/gme.h gme_new_emu -lgme -lstdc++; }
5980 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
5981 check_lib libgsm "${gsm_hdr}" gsm_create -lgsm && break;
5982 done || die "ERROR: libgsm not found"; }
5983 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc $pthreads_extralibs
5984 enabled libkvazaar && require_pkg_config libkvazaar "kvazaar >= 0.8.1" kvazaar.h kvz_api_get
5985 # While it may appear that require is being used as a pkg-config
5986 # fallback for libmfx, it is actually being used to detect a different
5987 # installation route altogether. If libmfx is installed via the Intel
5988 # Media SDK or Intel Media Server Studio, these don't come with
5989 # pkg-config support. Instead, users should make sure that the build
5990 # can find the libraries and headers through other means.
5991 enabled libmfx && { check_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit ||
5992 { require libmfx "mfx/mfxvideo.h" MFXInit "-llibmfx $advapi32_extralibs" && warn "using libmfx without pkg-config"; } }
5993 enabled libmodplug && require_pkg_config libmodplug libmodplug libmodplug/modplug.h ModPlug_Load
5994 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame $libm_extralibs
5995 enabled libmysofa && require libmysofa "mysofa.h" mysofa_load -lmysofa $zlib_extralibs
5996 enabled libnpp && { check_lib libnpp npp.h nppGetLibVersion -lnppig -lnppicc -lnppc ||
5997 check_lib libnpp npp.h nppGetLibVersion -lnppi -lnppc ||
5998 die "ERROR: libnpp not found"; }
5999 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
6000 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
6001 enabled libopencv && { check_header opencv2/core/core_c.h &&
6002 { check_pkg_config libopencv opencv opencv2/core/core_c.h cvCreateImageHeader ||
6003 require libopencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||
6004 require_pkg_config libopencv opencv opencv/cxcore.h cvCreateImageHeader; }
6005 enabled libopenh264 && require_pkg_config libopenh264 openh264 wels/codec_api.h WelsGetCodecVersion
6006 enabled libopenjpeg && { check_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version ||
6007 { require_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } }
6008 enabled libopenmpt && require_pkg_config libopenmpt "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create -lstdc++ && append libopenmpt_extralibs "-lstdc++"
6009 enabled libopus && {
6010 enabled libopus_decoder && {
6011 require_pkg_config libopus opus opus_multistream.h opus_multistream_decoder_create
6013 enabled libopus_encoder && {
6014 require_pkg_config libopus opus opus_multistream.h opus_multistream_surround_encoder_create
6017 enabled libpulse && require_pkg_config libpulse libpulse pulse/pulseaudio.h pa_context_new
6018 enabled librsvg && require_pkg_config librsvg librsvg-2.0 librsvg-2.0/librsvg/rsvg.h rsvg_handle_render_cairo
6019 enabled librtmp && require_pkg_config librtmp librtmp librtmp/rtmp.h RTMP_Socket
6020 enabled librubberband && require_pkg_config librubberband "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new -lstdc++ && append librubberband_extralibs "-lstdc++"
6021 enabled libshine && require_pkg_config libshine shine shine/layer3.h shine_encode_buffer
6022 enabled libsmbclient && { check_pkg_config libsmbclient smbclient libsmbclient.h smbc_init ||
6023 require libsmbclient libsmbclient.h smbc_init -lsmbclient; }
6024 enabled libsnappy && require libsnappy snappy-c.h snappy_compress -lsnappy -lstdc++
6025 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
6026 enabled libssh && require_pkg_config libssh libssh libssh/sftp.h sftp_init
6027 enabled libspeex && require_pkg_config libspeex speex speex/speex.h speex_decoder_init
6028 enabled libsrt && require_pkg_config libsrt "srt >= 1.2.0" srt/srt.h srt_socket
6029 enabled libtesseract && require_pkg_config libtesseract tesseract tesseract/capi.h TessBaseAPICreate
6030 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
6031 enabled libtls && require_pkg_config libtls libtls tls.h tls_configure
6032 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
6033 { check_lib libtwolame twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
6034 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
6035 enabled libv4l2 && require_pkg_config libv4l2 libv4l2 libv4l2.h v4l2_ioctl
6036 enabled libvidstab && require_pkg_config libvidstab "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
6037 enabled libvmaf && require_pkg_config libvmaf "libvmaf >= 0.6.2" libvmaf.h compute_vmaf
6038 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
6039 enabled libvorbis && require_pkg_config libvorbis vorbis vorbis/codec.h vorbis_info_init &&
6040 require_pkg_config libvorbisenc vorbisenc vorbis/vorbisenc.h vorbis_encode_init
6043 enabled libvpx_vp8_decoder && {
6044 check_pkg_config libvpx_vp8_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
6045 check_lib libvpx_vp8_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||
6046 die "ERROR: libvpx decoder version must be >=1.4.0";
6048 enabled libvpx_vp8_encoder && {
6049 check_pkg_config libvpx_vp8_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
6050 check_lib libvpx_vp8_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||
6051 die "ERROR: libvpx encoder version must be >=1.4.0";
6053 enabled libvpx_vp9_decoder && {
6054 check_pkg_config libvpx_vp9_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
6055 check_lib libvpx_vp9_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs"
6057 enabled libvpx_vp9_encoder && {
6058 check_pkg_config libvpx_vp9_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
6059 check_lib libvpx_vp9_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs"
6061 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
6062 die "libvpx enabled but no supported decoders found"
6066 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
6067 enabled libwebp && {
6068 enabled libwebp_encoder && require_pkg_config libwebp "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
6069 enabled libwebp_anim_encoder && check_pkg_config libwebp_anim_encoder "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit; }
6070 enabled libx264 && { check_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode ||
6071 { require libx264 "stdint.h x264.h" x264_encoder_encode "-lx264 $pthreads_extralibs $libm_extralibs" &&
6072 warn "using libx264 without pkg-config"; } } &&
6073 require_cpp_condition x264.h "X264_BUILD >= 118" &&
6074 check_cpp_condition libx262 x264.h "X264_MPEG2"
6075 enabled libx265 && require_pkg_config libx265 x265 x265.h x265_api_get &&
6076 require_cpp_condition x265.h "X265_BUILD >= 68"
6077 enabled libxavs && require libxavs "stdint.h xavs.h" xavs_encoder_encode "-lxavs $pthreads_extralibs $libm_extralibs"
6078 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
6079 enabled libzimg && require_pkg_config libzimg "zimg >= 2.7.0" zimg.h zimg_get_api_version
6080 enabled libzmq && require_pkg_config libzmq libzmq zmq.h zmq_ctx_new
6081 enabled libzvbi && require_pkg_config libzvbi zvbi-0.2 libzvbi.h vbi_decoder_new &&
6082 { test_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||
6083 enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }
6084 enabled libxml2 && require_pkg_config libxml2 libxml-2.0 libxml2/libxml/xmlversion.h xmlCheckVersion
6085 enabled mediacodec && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }
6086 enabled mmal && { check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
6087 { ! enabled cross_compile &&
6088 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline &&
6089 add_ldflags -L/opt/vc/lib/ &&
6090 check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host; } ||
6091 die "ERROR: mmal not found" &&
6092 check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"; }
6093 enabled openal && { { for al_extralibs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
6094 check_lib openal 'AL/al.h' alGetError "${al_extralibs}" && break; done } ||
6095 die "ERROR: openal not found"; } &&
6096 { test_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
6097 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
6098 enabled opencl && { check_lib opencl OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
6099 check_lib opencl CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
6100 die "ERROR: opencl not found"; } &&
6101 { test_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
6102 test_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
6103 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
6104 enabled opengl && { check_lib opengl GL/glx.h glXGetProcAddress "-lGL" ||
6105 check_lib opengl windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
6106 check_lib opengl OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
6107 check_lib opengl ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
6108 die "ERROR: opengl not found."
6110 enabled omx && require_header OMX_Core.h
6111 enabled omx_rpi && { check_header OMX_Core.h ||
6112 { ! enabled cross_compile && add_cflags -isystem/opt/vc/include/IL && check_header OMX_Core.h ; } ||
6113 die "ERROR: OpenMAX IL headers not found"; } && enable omx
6114 enabled openssl && { check_pkg_config openssl openssl openssl/ssl.h OPENSSL_init_ssl ||
6115 check_pkg_config openssl openssl openssl/ssl.h SSL_library_init ||
6116 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto ||
6117 check_lib openssl openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
6118 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
6119 die "ERROR: openssl not found"; }
6120 enabled rkmpp && { require_pkg_config rkmpp rockchip_mpp rockchip/rk_mpi.h mpp_create &&
6121 require_pkg_config rockchip_mpp "rockchip_mpp >= 1.3.7" rockchip/rk_mpi.h mpp_create &&
6123 die "ERROR: rkmpp requires --enable-libdrm"; }
6126 if enabled gcrypt; then
6127 GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"
6128 if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then
6129 gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)
6130 gcrypt_extralibs=$("${GCRYPT_CONFIG}" --libs)
6131 check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_extralibs ||
6132 die "ERROR: gcrypt not found"
6133 add_cflags $gcrypt_cflags
6135 require gcrypt gcrypt.h gcry_mpi_new -lgcrypt
6139 if enabled sdl2; then
6140 SDL2_CONFIG="${cross_prefix}sdl2-config"
6141 test_pkg_config sdl2 "sdl2 >= 2.0.1 sdl2 < 2.1.0" SDL_events.h SDL_PollEvent
6142 if disabled sdl2 && "${SDL2_CONFIG}" --version > /dev/null 2>&1; then
6143 sdl2_cflags=$("${SDL2_CONFIG}" --cflags)
6144 sdl2_extralibs=$("${SDL2_CONFIG}" --libs)
6145 test_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&
6146 test_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&
6147 check_func_headers SDL_events.h SDL_PollEvent $sdl2_extralibs $sdl2_cflags &&
6150 if test $target_os = "mingw32"; then
6151 sdl2_extralibs=$(filter_out '-mwindows' $sdl2_extralibs)
6155 if enabled decklink; then
6157 mingw32*|mingw64*|win32|win64)
6158 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
6159 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
6164 enabled securetransport &&
6165 check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
6166 check_lib securetransport "Security/SecureTransport.h Security/Security.h" "SSLCreateContext" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" ||
6167 disable securetransport
6169 enabled securetransport &&
6170 check_func SecItemImport "-Wl,-framework,CoreFoundation -Wl,-framework,Security"
6173 check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&
6174 test_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" &&
6175 schannel_extralibs="-lsecur32" ||
6178 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
6180 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
6181 && enable makeinfo_html || disable makeinfo_html
6182 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
6183 perl -v > /dev/null 2>&1 && enable perl || disable perl
6184 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
6185 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
6187 # check V4L2 codecs available in the API
6188 check_header linux/fb.h
6189 check_header linux/videodev2.h
6190 test_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6191 check_cc v4l2_m2m linux/videodev2.h "int i = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_VIDEO_M2M | V4L2_BUF_FLAG_LAST;"
6192 check_cc vc1_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VC1_ANNEX_G;"
6193 check_cc mpeg1_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG1;"
6194 check_cc mpeg2_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG2;"
6195 check_cc mpeg4_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG4;"
6196 check_cc hevc_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_HEVC;"
6197 check_cc h263_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_H263;"
6198 check_cc h264_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_H264;"
6199 check_cc vp8_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VP8;"
6200 check_cc vp9_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VP9;"
6202 check_header sys/videoio.h
6203 test_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6205 check_lib user32 "windows.h winuser.h" GetShellWindow -luser32
6206 check_lib vfw32 "windows.h vfw.h" capCreateCaptureWindow -lvfw32
6207 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
6208 # w32api 3.12 had it defined wrong
6209 check_cpp_condition vfwcap_defines vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER"
6211 check_type "dshow.h" IBaseFilter
6213 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
6214 check_header "dev/bktr/ioctl_meteor.h dev/bktr/ioctl_bt848.h" ||
6215 check_header "machine/ioctl_meteor.h machine/ioctl_bt848.h" ||
6216 check_header "dev/video/meteor/ioctl_meteor.h dev/video/bktr/ioctl_bt848.h" ||
6217 check_header "dev/ic/bt8xx.h"
6219 if check_struct sys/soundcard.h audio_buf_info bytes; then
6220 enable_sanitized sys/soundcard.h
6222 test_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_sanitized sys/soundcard.h
6223 #include <sys/soundcard.h>
6228 enabled alsa && check_pkg_config alsa alsa "alsa/asoundlib.h" snd_pcm_htimestamp ||
6229 check_lib alsa alsa/asoundlib.h snd_pcm_htimestamp -lasound
6232 require_pkg_config libjack jack jack/jack.h jack_port_get_latency_range
6234 enabled sndio && check_lib sndio sndio.h sio_open -lsndio
6236 if enabled libcdio; then
6237 check_pkg_config libcdio libcdio_paranoia "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open ||
6238 check_pkg_config libcdio libcdio_paranoia "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open ||
6239 check_lib libcdio "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6240 check_lib libcdio "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6241 die "ERROR: No usable libcdio/cdparanoia found"
6244 enabled libxcb && check_pkg_config libxcb "xcb >= 1.4" xcb/xcb.h xcb_connect ||
6245 disable libxcb_shm libxcb_shape libxcb_xfixes
6247 if enabled libxcb; then
6248 enabled libxcb_shm && check_pkg_config libxcb_shm xcb-shm xcb/shm.h xcb_shm_attach
6249 enabled libxcb_shape && check_pkg_config libxcb_shape xcb-shape xcb/shape.h xcb_shape_get_rectangles
6250 enabled libxcb_xfixes && check_pkg_config libxcb_xfixes xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image
6253 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
6255 # d3d11va requires linking directly to dxgi and d3d11 if not building for
6256 # the desktop api partition
6257 test_cpp <<EOF && enable uwp && d3d11va_extralibs="-ldxgi -ld3d11"
6258 #ifdef WINAPI_FAMILY
6259 #include <winapifamily.h>
6260 #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
6261 #error desktop, not uwp
6263 // WINAPI_FAMILY_APP, WINAPI_FAMILY_PHONE_APP => UWP
6266 #error no family set
6271 check_lib vaapi va/va.h vaInitialize -lva
6274 check_cc vaapi "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)"
6276 if enabled vaapi; then
6277 check_lib vaapi_drm "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm
6278 check_lib vaapi_x11 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 -lX11
6282 check_cpp_condition vaapi_1 "va/va.h" "VA_CHECK_VERSION(1, 0, 0)"
6284 if enabled_all opencl libdrm ; then
6285 check_type "CL/cl_intel.h" "clCreateImageFromFdINTEL_fn" &&
6286 enable opencl_drm_beignet
6287 check_func_headers "CL/cl_ext.h" clImportMemoryARM &&
6288 enable opencl_drm_arm
6291 if enabled_all opencl vaapi ; then
6292 enabled opencl_drm_beignet && enable opencl_vaapi_beignet
6293 if enabled libmfx ; then
6294 check_type "CL/cl.h CL/va_ext.h" "clCreateFromVA_APIMediaSurfaceINTEL_fn" &&
6295 enable opencl_vaapi_intel_media
6299 if enabled_all opencl dxva2 ; then
6300 check_type "CL/cl_dx9_media_sharing.h" cl_dx9_surface_info_khr &&
6304 if enabled_all opencl d3d11va ; then
6305 check_type "CL/cl_d3d11.h" clGetDeviceIDsFromD3D11KHR_fn &&
6310 check_cpp_condition vdpau vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP"
6313 check_lib vdpau_x11 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau -lX11
6315 enabled crystalhd && check_lib crystalhd "stdint.h libcrystalhd/libcrystalhd_if.h" DtsCrystalHDVersion -lcrystalhd
6317 if enabled x86; then
6319 mingw32*|mingw64*|win32|win64|linux|cygwin*)
6322 disable ffnvcodec cuvid nvdec nvenc
6326 disable ffnvcodec cuvid nvdec nvenc
6329 enabled ffnvcodec && enable cuda
6332 test_cc -I$source_path <<EOF || disable nvenc
6333 #include <ffnvcodec/nvEncodeAPI.h>
6334 NV_ENCODE_API_FUNCTION_LIST flist;
6335 void f(void) { struct { const GUID guid; } s[] = { { NV_ENC_PRESET_HQ_GUID } }; }
6336 int main(void) { return 0; }
6340 check_cpp_condition amf "AMF/core/Version.h" \
6341 "(AMF_VERSION_MAJOR << 48 | AMF_VERSION_MINOR << 32 | AMF_VERSION_RELEASE << 16 | AMF_VERSION_BUILD_NUM) >= 0x0001000400040001"
6343 # Funny iconv installations are not unusual, so check it after all flags have been set
6344 if enabled libc_iconv; then
6345 check_func_headers iconv.h iconv
6346 elif enabled iconv; then
6347 check_func_headers iconv.h iconv || check_lib iconv iconv.h iconv -liconv
6350 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
6352 # add some useful compiler flags if supported
6353 check_cflags -Wdeclaration-after-statement
6355 check_cflags -Wdisabled-optimization
6356 check_cflags -Wpointer-arith
6357 check_cflags -Wredundant-decls
6358 check_cflags -Wwrite-strings
6359 check_cflags -Wtype-limits
6360 check_cflags -Wundef
6361 check_cflags -Wmissing-prototypes
6362 check_cflags -Wno-pointer-to-int-cast
6363 check_cflags -Wstrict-prototypes
6364 check_cflags -Wempty-body
6366 if enabled extra_warnings; then
6367 check_cflags -Wcast-qual
6368 check_cflags -Wextra
6369 check_cflags -Wpedantic
6372 check_disable_warning(){
6373 warning_flag=-W${1#-Wno-}
6374 test_cflags $unknown_warning_flags $warning_flag && add_cflags $1
6377 test_cflags -Werror=unused-command-line-argument &&
6378 append unknown_warning_flags "-Werror=unused-command-line-argument"
6379 test_cflags -Werror=unknown-warning-option &&
6380 append unknown_warning_flags "-Werror=unknown-warning-option"
6382 check_disable_warning -Wno-parentheses
6383 check_disable_warning -Wno-switch
6384 check_disable_warning -Wno-format-zero-length
6385 check_disable_warning -Wno-pointer-sign
6386 check_disable_warning -Wno-unused-const-variable
6387 check_disable_warning -Wno-bool-operation
6389 check_disable_warning_headers(){
6390 warning_flag=-W${1#-Wno-}
6391 test_cflags $warning_flag && add_cflags_headers $1
6394 check_disable_warning_headers -Wno-deprecated-declarations
6395 check_disable_warning_headers -Wno-unused-variable
6397 test_cc <<EOF && enable blocks_extension
6398 void (^block)(void);
6401 # add some linker flags
6402 check_ldflags -Wl,--warn-common
6403 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
6404 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir && add_ldsoflags -Wl,-rpath,$libdir
6405 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
6407 # add some strip flags
6410 enabled neon_clobber_test &&
6411 check_ldflags -Wl,--wrap,avcodec_open2 \
6412 -Wl,--wrap,avcodec_decode_audio4 \
6413 -Wl,--wrap,avcodec_decode_video2 \
6414 -Wl,--wrap,avcodec_decode_subtitle2 \
6415 -Wl,--wrap,avcodec_encode_audio2 \
6416 -Wl,--wrap,avcodec_encode_video2 \
6417 -Wl,--wrap,avcodec_encode_subtitle \
6418 -Wl,--wrap,avcodec_send_packet \
6419 -Wl,--wrap,avcodec_receive_packet \
6420 -Wl,--wrap,avcodec_send_frame \
6421 -Wl,--wrap,avcodec_receive_frame \
6422 -Wl,--wrap,swr_convert \
6423 -Wl,--wrap,avresample_convert ||
6424 disable neon_clobber_test
6426 enabled xmm_clobber_test &&
6427 check_ldflags -Wl,--wrap,avcodec_open2 \
6428 -Wl,--wrap,avcodec_decode_audio4 \
6429 -Wl,--wrap,avcodec_decode_video2 \
6430 -Wl,--wrap,avcodec_decode_subtitle2 \
6431 -Wl,--wrap,avcodec_encode_audio2 \
6432 -Wl,--wrap,avcodec_encode_video2 \
6433 -Wl,--wrap,avcodec_encode_subtitle \
6434 -Wl,--wrap,avcodec_send_packet \
6435 -Wl,--wrap,avcodec_receive_packet \
6436 -Wl,--wrap,avcodec_send_frame \
6437 -Wl,--wrap,avcodec_receive_frame \
6438 -Wl,--wrap,swr_convert \
6439 -Wl,--wrap,avresample_convert \
6440 -Wl,--wrap,sws_scale ||
6441 disable xmm_clobber_test
6443 check_ld "cc" proper_dce <<EOF
6444 extern const int array[512];
6445 static inline int func(void) { return array[0]; }
6446 int main(void) { return 0; }
6449 if enabled proper_dce; then
6450 echo "X { local: *; };" > $TMPV
6451 if test_ldflags -Wl,${version_script},$TMPV; then
6452 append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver'
6454 test_cc <<EOF && enable symver_asm_label
6455 void ff_foo(void) __asm__ ("av_foo@VERSION");
6456 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
6458 test_cc <<EOF && enable symver_gnu_asm
6459 __asm__(".symver ff_foo,av_foo@VERSION");
6460 void ff_foo(void) {}
6465 if [ -z "$optflags" ]; then
6466 if enabled small; then
6467 optflags=$cflags_size
6468 elif enabled optimizations; then
6469 optflags=$cflags_speed
6471 optflags=$cflags_noopt
6475 if [ -z "$nvccflags" ]; then
6476 nvccflags=$nvccflags_default
6479 if enabled x86_64 || enabled ppc64 || enabled aarch64; then
6480 nvccflags="$nvccflags -m64"
6482 nvccflags="$nvccflags -m32"
6487 enabled lto && check_ldflags "$@"
6490 check_optflags $optflags
6491 check_optflags -fno-math-errno
6492 check_optflags -fno-signed-zeros
6494 if enabled lto; then
6495 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
6497 check_ldflags -flto $cpuflags
6498 disable inline_asm_direct_symbol_refs
6501 enabled ftrapv && check_cflags -ftrapv
6503 test_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
6508 if enabled icc; then
6509 # Just warnings, no remarks
6511 # -wd: Disable following warnings
6512 # 144, 167, 556: -Wno-pointer-sign
6513 # 188: enumerated type mixed with another type
6514 # 1292: attribute "foo" ignored
6515 # 1419: external declaration in primary source file
6516 # 10006: ignoring unknown option -fno-signed-zeros
6517 # 10148: ignoring unknown option -Wno-parentheses
6518 # 10156: ignoring option '-W'; no argument required
6519 # 13200: No EMMS instruction before call to function
6520 # 13203: No EMMS instruction before return from function
6521 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
6522 # 11030: Warning unknown option --as-needed
6523 # 10156: ignoring option '-export'; no argument required
6524 check_ldflags -wd10156,11030
6525 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
6526 enable ebp_available
6527 # The test above does not test linking
6528 enabled lto && disable symver_asm_label
6529 if enabled x86_32; then
6530 icc_version=$($cc -dumpversion)
6531 test ${icc_version%%.*} -ge 11 &&
6532 check_cflags -falign-stack=maintain-16-byte ||
6533 disable aligned_stack
6535 elif enabled gcc; then
6536 check_optflags -fno-tree-vectorize
6537 check_cflags -Werror=format-security
6538 check_cflags -Werror=implicit-function-declaration
6539 check_cflags -Werror=missing-prototypes
6540 check_cflags -Werror=return-type
6541 check_cflags -Werror=vla
6542 check_cflags -Wformat
6543 check_cflags -fdiagnostics-color=auto
6544 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
6545 if enabled x86_32; then
6548 # BSDs don't guarantee a 16 byte aligned stack, but we can
6549 # request GCC to try to maintain 16 byte alignment throughout
6550 # function calls. Library entry points that might call assembly
6551 # functions align the stack. (The parameter means 2^4 bytes.)
6552 check_cflags -mpreferred-stack-boundary=4
6556 elif enabled llvm_gcc; then
6557 check_cflags -mllvm -stack-alignment=16
6558 elif enabled clang; then
6559 if enabled x86_32; then
6560 # Clang doesn't support maintaining alignment without assuming the
6561 # same alignment in every function. If 16 byte alignment would be
6562 # enabled, one would also have to either add attribute_align_arg on
6563 # every single entry point into the libraries or enable -mstackrealign
6564 # (doing stack realignment in every single function).
6566 mingw32|win32|*bsd*)
6567 disable aligned_stack
6570 check_cflags -mllvm -stack-alignment=16
6571 check_cflags -mstack-alignment=16
6575 check_cflags -mllvm -stack-alignment=16
6576 check_cflags -mstack-alignment=16
6578 check_cflags -Qunused-arguments
6579 check_cflags -Werror=implicit-function-declaration
6580 check_cflags -Werror=missing-prototypes
6581 check_cflags -Werror=return-type
6582 elif enabled cparser; then
6583 add_cflags -Wno-missing-variable-declarations
6584 add_cflags -Wno-empty-statement
6585 elif enabled armcc; then
6586 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
6587 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
6588 # 2523: use of inline assembly is deprecated
6589 add_cflags -W${armcc_opt},--diag_suppress=2523
6590 add_cflags -W${armcc_opt},--diag_suppress=1207
6591 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
6592 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
6593 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
6594 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
6595 elif enabled pathscale; then
6596 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
6598 elif enabled_any msvc icl; then
6599 enabled x86_32 && disable aligned_stack
6600 enabled_all x86_32 debug && add_cflags -Oy-
6601 enabled debug && add_ldflags -debug
6602 enable pragma_deprecated
6603 if enabled icl; then
6604 # -Qansi-alias is basically -fstrict-aliasing, but does not work
6605 # (correctly) on icl 13.x.
6606 test_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
6607 add_cflags -Qansi-alias
6608 # Some inline asm is not compilable in debug
6609 if enabled debug; then
6610 disable ebp_available
6611 disable ebx_available
6614 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
6615 check_cpp_condition log2 crtversion.h "_VC_CRT_MAJOR_VERSION >= 12"
6616 # The CRT headers contain __declspec(restrict) in a few places, but if redefining
6617 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
6618 # (as it ends up if the restrict redefine is done before including stdlib.h), while
6619 # MSVC 2013 and newer can handle it fine.
6620 # If this declspec fails, force including stdlib.h before the restrict redefinition
6621 # happens in config.h.
6622 if [ $restrict_keyword != restrict ]; then
6623 test_cc <<EOF || add_cflags -FIstdlib.h
6624 __declspec($restrict_keyword) void *foo(int);
6627 # the new SSA optimzer in VS2015 U3 is mis-optimizing some parts of the code
6628 # Issue has been fixed in MSVC v19.00.24218.
6629 test_cpp_condition windows.h "_MSC_FULL_VER >= 190024218" ||
6630 check_cflags -d2SSAOptimizer-
6631 # enable utf-8 source processing on VS2015 U2 and newer
6632 test_cpp_condition windows.h "_MSC_FULL_VER >= 190023918" &&
6636 for pfx in "" host_; do
6637 varname=${pfx%_}cc_type
6638 eval "type=\$$varname"
6639 if [ "$type" = "msvc" ]; then
6640 test_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline
6641 static inline int foo(int a) { return a; }
6648 add_asflags -Qunused-arguments
6654 check_ldflags -Qunused-arguments
6658 enable frame_thread_encoder
6660 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
6662 check_deps $CONFIG_LIST \
6667 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"
6668 enabled avresample && warn "Building with deprecated library libavresample"
6670 if test $target_os = "haiku"; then
6672 disable posix_memalign
6675 flatten_extralibs(){
6676 unset nested_entries
6679 for entry in $list; do
6682 append nested_entries $(filter '*_extralibs' $entry_copy)
6683 flat_entries=$(filter_out '*_extralibs' $entry_copy)
6684 eval $entry="\$flat_entries"
6686 append $list_name "$nested_entries"
6688 resolve nested_entries
6689 if test -n "$(filter '*_extralibs' $nested_entries)"; then
6690 flatten_extralibs $list_name
6694 flatten_extralibs_wrapper(){
6696 flatten_extralibs $list_name
6699 eval $list_name=\$\(\$ldflags_filter \$$list_name\)
6700 eval printf \''%s'\' \""\$$list_name"\"
6703 for linkunit in $LIBRARY_LIST; do
6704 unset current_extralibs
6705 eval components=\$$(toupper ${linkunit})_COMPONENTS_LIST
6706 for comp in ${components}; do
6707 enabled $comp || continue
6708 comp_extralibs="${comp}_extralibs"
6709 append current_extralibs $comp_extralibs
6711 eval prepend ${linkunit}_extralibs $current_extralibs
6714 for linkunit in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
6715 eval ${linkunit}_extralibs=\$\(flatten_extralibs_wrapper ${linkunit}_extralibs\)
6718 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
6720 for thread in $THREADS_LIST; do
6721 if enabled $thread; then
6722 test -n "$thread_type" &&
6723 die "ERROR: Only one thread type must be selected." ||
6724 thread_type="$thread"
6728 if disabled stdatomic; then
6729 if enabled atomics_gcc; then
6730 add_cppflags '-I\$(SRC_PATH)/compat/atomics/gcc'
6731 elif enabled atomics_win32; then
6732 add_cppflags '-I\$(SRC_PATH)/compat/atomics/win32'
6733 elif enabled atomics_suncc; then
6734 add_cppflags '-I\$(SRC_PATH)/compat/atomics/suncc'
6735 elif enabled pthreads; then
6736 add_compat atomics/pthread/stdatomic.o
6737 add_cppflags '-I\$(SRC_PATH)/compat/atomics/pthread'
6739 enabled threads && die "Threading is enabled, but no atomics are available"
6740 add_cppflags '-I\$(SRC_PATH)/compat/atomics/dummy'
6744 # Check if requested libraries were found.
6745 for lib in $AUTODETECT_LIBS; do
6746 requested $lib && ! enabled $lib && die "ERROR: $lib requested but not found";
6749 enabled zlib && add_cppflags -DZLIB_CONST
6751 # conditional library dependencies, in linking order
6752 enabled afftfilt_filter && prepend avfilter_deps "avcodec"
6753 enabled afir_filter && prepend avfilter_deps "avcodec"
6754 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
6755 enabled aresample_filter && prepend avfilter_deps "swresample"
6756 enabled atempo_filter && prepend avfilter_deps "avcodec"
6757 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
6758 enabled convolve_filter && prepend avfilter_deps "avcodec"
6759 enabled deconvolve_filter && prepend avfilter_deps "avcodec"
6760 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
6761 enabled elbg_filter && prepend avfilter_deps "avcodec"
6762 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
6763 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
6764 enabled firequalizer_filter && prepend avfilter_deps "avcodec"
6765 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
6766 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
6767 enabled pan_filter && prepend avfilter_deps "swresample"
6768 enabled pp_filter && prepend avfilter_deps "postproc"
6769 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
6770 enabled resample_filter && prepend avfilter_deps "avresample"
6771 enabled sab_filter && prepend avfilter_deps "swscale"
6772 enabled scale_filter && prepend avfilter_deps "swscale"
6773 enabled scale2ref_filter && prepend avfilter_deps "swscale"
6774 enabled sofalizer_filter && prepend avfilter_deps "avcodec"
6775 enabled showcqt_filter && prepend avfilter_deps "avformat avcodec swscale"
6776 enabled showfreqs_filter && prepend avfilter_deps "avcodec"
6777 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
6778 enabled signature_filter && prepend avfilter_deps "avcodec avformat"
6779 enabled smartblur_filter && prepend avfilter_deps "swscale"
6780 enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"
6781 enabled spp_filter && prepend avfilter_deps "avcodec"
6782 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
6783 enabled uspp_filter && prepend avfilter_deps "avcodec"
6784 enabled zoompan_filter && prepend avfilter_deps "swscale"
6786 enabled lavfi_indev && prepend avdevice_deps "avfilter"
6789 enabled sdl2_outdev && add_cflags $(filter_out '-Dmain=SDL_main' $sdl2_cflags)
6791 enabled opus_decoder && prepend avcodec_deps "swresample"
6795 eval "deps=\$$lib_deps"
6796 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
6800 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
6801 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
6803 map 'expand_deps $v' $LIBRARY_LIST
6805 if test "$quiet" != "yes"; then
6807 echo "install prefix $prefix"
6808 echo "source path $source_path"
6809 echo "C compiler $cc"
6810 echo "C library $libc_type"
6811 if test "$host_cc" != "$cc"; then
6812 echo "host C compiler $host_cc"
6813 echo "host C library $host_libc_type"
6815 echo "ARCH $arch ($cpu)"
6816 if test "$build_suffix" != ""; then
6817 echo "build suffix $build_suffix"
6819 if test "$progs_suffix" != ""; then
6820 echo "progs suffix $progs_suffix"
6822 if test "$extra_version" != ""; then
6823 echo "version string suffix $extra_version"
6825 echo "big-endian ${bigendian-no}"
6826 echo "runtime cpu detection ${runtime_cpudetect-no}"
6827 if enabled x86; then
6828 echo "standalone assembly ${x86asm-no}"
6829 echo "x86 assembler ${x86asmexe}"
6830 echo "MMX enabled ${mmx-no}"
6831 echo "MMXEXT enabled ${mmxext-no}"
6832 echo "3DNow! enabled ${amd3dnow-no}"
6833 echo "3DNow! extended enabled ${amd3dnowext-no}"
6834 echo "SSE enabled ${sse-no}"
6835 echo "SSSE3 enabled ${ssse3-no}"
6836 echo "AESNI enabled ${aesni-no}"
6837 echo "AVX enabled ${avx-no}"
6838 echo "AVX2 enabled ${avx2-no}"
6839 echo "AVX-512 enabled ${avx512-no}"
6840 echo "XOP enabled ${xop-no}"
6841 echo "FMA3 enabled ${fma3-no}"
6842 echo "FMA4 enabled ${fma4-no}"
6843 echo "i686 features enabled ${i686-no}"
6844 echo "CMOV is fast ${fast_cmov-no}"
6845 echo "EBX available ${ebx_available-no}"
6846 echo "EBP available ${ebp_available-no}"
6848 if enabled aarch64; then
6849 echo "NEON enabled ${neon-no}"
6850 echo "VFP enabled ${vfp-no}"
6852 if enabled arm; then
6853 echo "ARMv5TE enabled ${armv5te-no}"
6854 echo "ARMv6 enabled ${armv6-no}"
6855 echo "ARMv6T2 enabled ${armv6t2-no}"
6856 echo "VFP enabled ${vfp-no}"
6857 echo "NEON enabled ${neon-no}"
6858 echo "THUMB enabled ${thumb-no}"
6860 if enabled mips; then
6861 echo "MIPS FPU enabled ${mipsfpu-no}"
6862 echo "MIPS DSP R1 enabled ${mipsdsp-no}"
6863 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
6864 echo "MIPS MSA enabled ${msa-no}"
6865 echo "LOONGSON MMI enabled ${mmi-no}"
6867 if enabled ppc; then
6868 echo "AltiVec enabled ${altivec-no}"
6869 echo "VSX enabled ${vsx-no}"
6870 echo "POWER8 enabled ${power8-no}"
6871 echo "PPC 4xx optimizations ${ppc4xx-no}"
6872 echo "dcbzl available ${dcbzl-no}"
6874 echo "debug symbols ${debug-no}"
6875 echo "strip symbols ${stripping-no}"
6876 echo "optimize for size ${small-no}"
6877 echo "optimizations ${optimizations-no}"
6878 echo "static ${static-no}"
6879 echo "shared ${shared-no}"
6880 echo "postprocessing support ${postproc-no}"
6881 echo "network support ${network-no}"
6882 echo "threading support ${thread_type-no}"
6883 echo "safe bitstream reader ${safe_bitstream_reader-no}"
6884 echo "texi2html enabled ${texi2html-no}"
6885 echo "perl enabled ${perl-no}"
6886 echo "pod2man enabled ${pod2man-no}"
6887 echo "makeinfo enabled ${makeinfo-no}"
6888 echo "makeinfo supports HTML ${makeinfo_html-no}"
6889 test -n "$random_seed" &&
6890 echo "random seed ${random_seed}"
6893 echo "External libraries:"
6894 print_enabled '' $EXTERNAL_LIBRARY_LIST $EXTERNAL_AUTODETECT_LIBRARY_LIST | print_in_columns
6897 echo "External libraries providing hardware acceleration:"
6898 print_enabled '' $HWACCEL_LIBRARY_LIST $HWACCEL_AUTODETECT_LIBRARY_LIST | print_in_columns
6902 print_enabled '' $LIBRARY_LIST | print_in_columns
6906 print_enabled '' $PROGRAM_LIST | print_in_columns
6909 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
6910 echo "Enabled ${type}s:"
6911 eval list=\$$(toupper $type)_LIST
6912 print_enabled '_*' $list | print_in_columns
6916 if test -n "$ignore_tests"; then
6917 ignore_tests=$(echo $ignore_tests | tr ',' ' ')
6918 echo "Ignored FATE tests:"
6919 echo $ignore_tests | print_in_columns
6923 echo "License: $license"
6925 fi # test "$quiet" != "yes"
6927 if test -n "$WARNINGS"; then
6928 printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"
6929 enabled fatal_warnings && exit 1
6932 test -e Makefile || echo "include $source_path/Makefile" > Makefile
6935 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
6938 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" > ffbuild/config.fate
6940 enabled stripping || strip="echo skipping strip"
6941 enabled stripping || striptype=""
6943 config_files="$TMPH ffbuild/config.mak doc/config.texi"
6945 cat > ffbuild/config.mak <<EOF
6946 # Automatically generated by configure - do not modify!
6947 ifndef FFMPEG_CONFIG_MAK
6949 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
6951 LIBDIR=\$(DESTDIR)$libdir
6952 SHLIBDIR=\$(DESTDIR)$shlibdir
6953 INCDIR=\$(DESTDIR)$incdir
6954 BINDIR=\$(DESTDIR)$bindir
6955 DATADIR=\$(DESTDIR)$datadir
6956 DOCDIR=\$(DESTDIR)$docdir
6957 MANDIR=\$(DESTDIR)$mandir
6958 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
6959 INSTALL_NAME_DIR=$install_name_dir
6960 SRC_PATH=$source_path
6961 SRC_LINK=$source_link
6962 ifndef MAIN_MAKEFILE
6963 SRC_PATH:=\$(SRC_PATH:.%=..%)
6967 INTRINSICS=$intrinsics
6968 EXTERN_PREFIX=$extern_prefix
6975 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
6977 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
6979 DEPX86ASM=$x86asmexe
6980 DEPX86ASMFLAGS=\$(X86ASMFLAGS)
6988 STRIPTYPE=$striptype
6995 OBJCFLAGS=$OBJCFLAGS
6997 NVCCFLAGS=$nvccflags
7019 LDEXEFLAGS=$LDEXEFLAGS
7020 LDSOFLAGS=$LDSOFLAGS
7021 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
7022 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
7023 X86ASMFLAGS=$X86ASMFLAGS
7024 BUILDSUF=$build_suffix
7025 PROGSSUF=$progs_suffix
7033 EXTRA_VERSION=$extra_version
7036 CCDEP_FLAGS=$CCDEP_FLAGS
7038 ASDEP_FLAGS=$ASDEP_FLAGS
7039 X86ASMDEP=$X86ASMDEP
7040 X86ASMDEP_FLAGS=$X86ASMDEP_FLAGS
7041 CC_DEPFLAGS=$CC_DEPFLAGS
7042 AS_DEPFLAGS=$AS_DEPFLAGS
7043 X86ASM_DEPFLAGS=$X86ASM_DEPFLAGS
7046 HOSTCFLAGS=$host_cflags
7047 HOSTCPPFLAGS=$host_cppflags
7048 HOSTEXESUF=$HOSTEXESUF
7049 HOSTLDFLAGS=$host_ldflags
7050 HOSTEXTRALIBS=$host_extralibs
7052 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
7053 HOSTCCDEP=$HOSTCCDEP
7054 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
7055 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
7059 TARGET_EXEC=$target_exec $target_exec_args
7060 TARGET_PATH=$target_path
7061 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
7062 CFLAGS-ffplay=${sdl2_cflags}
7063 CFLAGS_HEADERS=$CFLAGS_HEADERS
7064 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
7065 EXTRALIBS=$extralibs
7066 COMPAT_OBJS=$compat_objs
7068 LIBTARGET=${LIBTARGET}
7069 SLIBNAME=${SLIBNAME}
7070 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
7071 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
7072 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
7073 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
7074 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
7075 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
7076 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
7077 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
7078 VERSION_SCRIPT_POSTPROCESS_CMD=${VERSION_SCRIPT_POSTPROCESS_CMD}
7079 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
7080 NOREDZONE_FLAGS=$noredzone_flags
7081 LIBFUZZER_PATH=$libfuzzer_path
7082 IGNORE_TESTS=$ignore_tests
7085 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> ffbuild/config.mak' $LIBRARY_LIST
7087 for entry in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
7088 eval echo "EXTRALIBS-${entry}=\$${entry}_extralibs" >> ffbuild/config.mak
7092 /* Automatically generated by configure - do not modify! */
7093 #ifndef FFMPEG_CONFIG_H
7094 #define FFMPEG_CONFIG_H
7095 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
7096 #define FFMPEG_LICENSE "$(c_escape $license)"
7097 #define CONFIG_THIS_YEAR 2018
7098 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
7099 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
7100 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
7101 #define av_restrict $restrict_keyword
7102 #define EXTERN_PREFIX "${extern_prefix}"
7103 #define EXTERN_ASM ${extern_prefix}
7104 #define BUILDSUF "$build_suffix"
7105 #define SLIBSUF "$SLIBSUF"
7106 #define HAVE_MMX2 HAVE_MMXEXT
7107 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
7110 test -n "$assert_level" &&
7111 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
7113 test -n "$malloc_prefix" &&
7114 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
7116 if enabled x86asm; then
7117 append config_files $TMPASM
7119 ; Automatically generated by configure - do not modify!
7123 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
7129 echo "@c auto-generated by configure - do not modify! " > doc/config.texi
7131 print_config ARCH_ "$config_files" $ARCH_LIST
7132 print_config HAVE_ "$config_files" $HAVE_LIST
7133 print_config CONFIG_ "$config_files" $CONFIG_LIST \
7137 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
7138 echo "endif # FFMPEG_CONFIG_MAK" >> ffbuild/config.mak
7140 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
7141 cp_if_changed $TMPH config.h
7142 touch ffbuild/.config
7144 enabled x86asm && cp_if_changed $TMPASM config.asm
7147 /* Generated by ffmpeg configure */
7148 #ifndef AVUTIL_AVCONFIG_H
7149 #define AVUTIL_AVCONFIG_H
7152 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
7154 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
7156 cp_if_changed $TMPH libavutil/avconfig.h
7159 sed -n "s/^extern AVFilter ff_\([avfsinkrc]\{2,5\}\)_$1;/\1_$1/p" $source_path/libavfilter/allfilters.c
7162 # generate the lists of enabled components
7163 print_enabled_components(){
7168 echo "static const $struct_name * const $name[] = {" > $TMPH
7173 c=$(full_filter_name $(remove_suffix _filter $c))
7176 c=$(add_suffix _demuxer $(remove_suffix _indev $c))
7179 c=$(add_suffix _muxer $(remove_suffix _outdev $c))
7182 printf " &ff_%s,\n" $c >> $TMPH
7185 if [ "$name" = "filter_list" ]; then
7186 for c in asrc_abuffer vsrc_buffer asink_abuffer vsink_buffer; do
7187 printf " &ff_%s,\n" $c >> $TMPH
7190 echo " NULL };" >> $TMPH
7191 cp_if_changed $TMPH $file
7194 print_enabled_components libavfilter/filter_list.c AVFilter filter_list $FILTER_LIST
7195 print_enabled_components libavcodec/codec_list.c AVCodec codec_list $CODEC_LIST
7196 print_enabled_components libavcodec/parser_list.c AVCodecParser parser_list $PARSER_LIST
7197 print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST
7198 print_enabled_components libavformat/demuxer_list.c AVInputFormat demuxer_list $DEMUXER_LIST
7199 print_enabled_components libavformat/muxer_list.c AVOutputFormat muxer_list $MUXER_LIST
7200 print_enabled_components libavdevice/indev_list.c AVInputFormat indev_list $INDEV_LIST
7201 print_enabled_components libavdevice/outdev_list.c AVOutputFormat outdev_list $OUTDEV_LIST
7202 print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST
7204 # Settings for pkg-config files
7207 # Automatically generated by configure - do not modify!
7209 build_suffix=$build_suffix
7213 rpath=$(enabled rpath && echo "-Wl,-rpath,\${libdir}")
7214 source_path=${source_path}
7217 extralibs_avutil="$avutil_extralibs"
7218 extralibs_avcodec="$avcodec_extralibs"
7219 extralibs_avformat="$avformat_extralibs"
7220 extralibs_avdevice="$avdevice_extralibs"
7221 extralibs_avfilter="$avfilter_extralibs"
7222 extralibs_avresample="$avresample_extralibs"
7223 extralibs_postproc="$postproc_extralibs"
7224 extralibs_swscale="$swscale_extralibs"
7225 extralibs_swresample="$swresample_extralibs"
7228 for lib in $LIBRARY_LIST; do
7229 lib_deps="$(eval echo \$${lib}_deps)"
7230 echo ${lib}_deps=\"$lib_deps\" >> $TMPH
7233 cp_if_changed $TMPH ffbuild/config.sh