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-libass enable libass subtitles rendering,
221 needed for subtitles and ass filter [no]
222 --enable-libbluray enable BluRay reading using libbluray [no]
223 --enable-libbs2b enable bs2b DSP library [no]
224 --enable-libcaca enable textual display using libcaca [no]
225 --enable-libcelt enable CELT decoding via libcelt [no]
226 --enable-libcdio enable audio CD grabbing with libcdio [no]
227 --enable-libcodec2 enable codec2 en/decoding using libcodec2 [no]
228 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
230 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
231 --enable-libflite enable flite (voice synthesis) support via libflite [no]
232 --enable-libfontconfig enable libfontconfig, useful for drawtext filter [no]
233 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
234 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
235 --enable-libgme enable Game Music Emu via libgme [no]
236 --enable-libgsm enable GSM de/encoding via libgsm [no]
237 --enable-libiec61883 enable iec61883 via libiec61883 [no]
238 --enable-libilbc enable iLBC de/encoding via libilbc [no]
239 --enable-libjack enable JACK audio sound server [no]
240 --enable-libkvazaar enable HEVC encoding via libkvazaar [no]
241 --enable-libmodplug enable ModPlug via libmodplug [no]
242 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
243 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
244 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
245 --enable-libopencv enable video filtering via libopencv [no]
246 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
247 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
248 --enable-libopenmpt enable decoding tracked files via libopenmpt [no]
249 --enable-libopus enable Opus de/encoding via libopus [no]
250 --enable-libpulse enable Pulseaudio input via libpulse [no]
251 --enable-librsvg enable SVG rasterization via librsvg [no]
252 --enable-librubberband enable rubberband needed for rubberband filter [no]
253 --enable-librtmp enable RTMP[E] support via librtmp [no]
254 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
255 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
256 --enable-libsnappy enable Snappy compression, needed for hap encoding [no]
257 --enable-libsoxr enable Include libsoxr resampling [no]
258 --enable-libspeex enable Speex de/encoding via libspeex [no]
259 --enable-libssh enable SFTP protocol via libssh [no]
260 --enable-libtesseract enable Tesseract, needed for ocr filter [no]
261 --enable-libtheora enable Theora encoding via libtheora [no]
262 --enable-libtls enable LibreSSL (via libtls), needed for https support
263 if openssl or gnutls is not used [no]
264 --enable-libtwolame enable MP2 encoding via libtwolame [no]
265 --enable-libv4l2 enable libv4l2/v4l-utils [no]
266 --enable-libvidstab enable video stabilization using vid.stab [no]
267 --enable-libvmaf enable vmaf filter via libvmaf [no]
268 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
269 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
270 native implementation exists [no]
271 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
272 --enable-libwavpack enable wavpack encoding via libwavpack [no]
273 --enable-libwebp enable WebP encoding via libwebp [no]
274 --enable-libx264 enable H.264 encoding via x264 [no]
275 --enable-libx265 enable HEVC encoding via x265 [no]
276 --enable-libxavs enable AVS encoding via xavs [no]
277 --enable-libxcb enable X11 grabbing using XCB [autodetect]
278 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
279 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
280 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
281 --enable-libxvid enable Xvid encoding via xvidcore,
282 native MPEG-4/Xvid encoder exists [no]
283 --enable-libxml2 enable XML parsing using the C library libxml2 [no]
284 --enable-libzimg enable z.lib, needed for zscale filter [no]
285 --enable-libzmq enable message passing via libzmq [no]
286 --enable-libzvbi enable teletext support via libzvbi [no]
287 --enable-lv2 enable LV2 audio filtering [no]
288 --disable-lzma disable lzma [autodetect]
289 --enable-decklink enable Blackmagic DeckLink I/O support [no]
290 --enable-libndi_newtek enable Newteck NDI I/O support [no]
291 --enable-mediacodec enable Android MediaCodec support [no]
292 --enable-libmysofa enable libmysofa, needed for sofalizer filter [no]
293 --enable-openal enable OpenAL 1.1 capture support [no]
294 --enable-opencl enable OpenCL processing [no]
295 --enable-opengl enable OpenGL rendering [no]
296 --enable-openssl enable openssl, needed for https support
297 if gnutls or libtls is not used [no]
298 --disable-sndio disable sndio support [autodetect]
299 --disable-schannel disable SChannel SSP, needed for TLS support on
300 Windows if openssl and gnutls are not used [autodetect]
301 --disable-sdl2 disable sdl2 [autodetect]
302 --disable-securetransport disable Secure Transport, needed for TLS support
303 on OSX if openssl and gnutls are not used [autodetect]
304 --disable-xlib disable xlib [autodetect]
305 --disable-zlib disable zlib [autodetect]
307 The following libraries provide various hardware acceleration features:
308 --disable-amf disable AMF video encoding code [autodetect]
309 --disable-audiotoolbox disable Apple AudioToolbox code [autodetect]
310 --enable-cuda-sdk enable CUDA features that require the CUDA SDK [no]
311 --disable-cuvid disable Nvidia CUVID support [autodetect]
312 --disable-d3d11va disable Microsoft Direct3D 11 video acceleration code [autodetect]
313 --disable-dxva2 disable Microsoft DirectX 9 video acceleration code [autodetect]
314 --disable-ffnvcodec disable dynamically linked Nvidia code [autodetect]
315 --enable-libdrm enable DRM code (Linux) [no]
316 --enable-libmfx enable Intel MediaSDK (AKA Quick Sync Video) code via libmfx [no]
317 --enable-libnpp enable Nvidia Performance Primitives-based code [no]
318 --enable-mmal enable Broadcom Multi-Media Abstraction Layer (Raspberry Pi) via MMAL [no]
319 --disable-nvdec disable Nvidia video decoding acceleration (via hwaccel) [autodetect]
320 --disable-nvenc disable Nvidia video encoding code [autodetect]
321 --enable-omx enable OpenMAX IL code [no]
322 --enable-omx-rpi enable OpenMAX IL code for Raspberry Pi [no]
323 --enable-rkmpp enable Rockchip Media Process Platform code [no]
324 --disable-v4l2-m2m disable V4L2 mem2mem code [autodetect]
325 --disable-vaapi disable Video Acceleration API (mainly Unix/Intel) code [autodetect]
326 --disable-vdpau disable Nvidia Video Decode and Presentation API for Unix code [autodetect]
327 --disable-videotoolbox disable VideoToolbox code [autodetect]
330 --arch=ARCH select architecture [$arch]
331 --cpu=CPU select the minimum required CPU (affects
332 instruction selection, may crash on older CPUs)
333 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
334 --progs-suffix=SUFFIX program name suffix []
335 --enable-cross-compile assume a cross-compiler is used
336 --sysroot=PATH root of cross-build tree
337 --sysinclude=PATH location of cross-build system headers
338 --target-os=OS compiler targets OS [$target_os]
339 --target-exec=CMD command to run executables on target
340 --target-path=DIR path to view of build directory on target
341 --target-samples=DIR path to samples directory on target
342 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
343 --toolchain=NAME set tool defaults according to NAME
344 --nm=NM use nm tool NM [$nm_default]
345 --ar=AR use archive tool AR [$ar_default]
346 --as=AS use assembler AS [$as_default]
347 --ln_s=LN_S use symbolic link tool LN_S [$ln_s_default]
348 --strip=STRIP use strip tool STRIP [$strip_default]
349 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
350 --x86asmexe=EXE use nasm-compatible assembler EXE [$x86asmexe_default]
351 --cc=CC use C compiler CC [$cc_default]
352 --cxx=CXX use C compiler CXX [$cxx_default]
353 --objcc=OCC use ObjC compiler OCC [$cc_default]
354 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
355 --nvcc=NVCC use Nvidia CUDA compiler NVCC [$nvcc_default]
356 --ld=LD use linker LD [$ld_default]
357 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
358 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
359 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
360 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
361 --host-cc=HOSTCC use host C compiler HOSTCC
362 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
363 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
364 --host-ld=HOSTLD use host linker HOSTLD
365 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
366 --host-libs=HLIBS use libs HLIBS when linking for host
367 --host-os=OS compiler host OS [$target_os]
368 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
369 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
370 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
371 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
372 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
373 --extra-ldsoflags=ELDFLAGS add ELDFLAGS to LDSOFLAGS [$LDSOFLAGS]
374 --extra-libs=ELIBS add ELIBS [$ELIBS]
375 --extra-version=STRING version string suffix []
376 --optflags=OPTFLAGS override optimization-related compiler flags
377 --nvccflags=NVCCFLAGS override nvcc flags [$nvccflags_default]
378 --build-suffix=SUFFIX library name suffix []
379 --enable-pic build position-independent code
380 --enable-thumb compile for Thumb instruction set
381 --enable-lto use link-time optimization
382 --env="ENV=override" override the environment variables
384 Advanced options (experts only):
385 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
386 --custom-allocator=NAME use a supported custom allocator
387 --disable-symver disable symbol versioning
388 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
389 --disable-safe-bitstream-reader
390 disable buffer boundary checking in bitreaders
391 (faster, but may crash)
392 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
394 Optimization options (experts only):
395 --disable-asm disable all assembly optimizations
396 --disable-altivec disable AltiVec optimizations
397 --disable-vsx disable VSX optimizations
398 --disable-power8 disable POWER8 optimizations
399 --disable-amd3dnow disable 3DNow! optimizations
400 --disable-amd3dnowext disable 3DNow! extended optimizations
401 --disable-mmx disable MMX optimizations
402 --disable-mmxext disable MMXEXT optimizations
403 --disable-sse disable SSE optimizations
404 --disable-sse2 disable SSE2 optimizations
405 --disable-sse3 disable SSE3 optimizations
406 --disable-ssse3 disable SSSE3 optimizations
407 --disable-sse4 disable SSE4 optimizations
408 --disable-sse42 disable SSE4.2 optimizations
409 --disable-avx disable AVX optimizations
410 --disable-xop disable XOP optimizations
411 --disable-fma3 disable FMA3 optimizations
412 --disable-fma4 disable FMA4 optimizations
413 --disable-avx2 disable AVX2 optimizations
414 --disable-avx512 disable AVX-512 optimizations
415 --disable-aesni disable AESNI optimizations
416 --disable-armv5te disable armv5te optimizations
417 --disable-armv6 disable armv6 optimizations
418 --disable-armv6t2 disable armv6t2 optimizations
419 --disable-vfp disable VFP optimizations
420 --disable-neon disable NEON optimizations
421 --disable-inline-asm disable use of inline assembly
422 --disable-x86asm disable use of standalone x86 assembly
423 --disable-mipsdsp disable MIPS DSP ASE R1 optimizations
424 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
425 --disable-msa disable MSA optimizations
426 --disable-mipsfpu disable floating point MIPS optimizations
427 --disable-mmi disable Loongson SIMD optimizations
428 --disable-fast-unaligned consider unaligned accesses slow
430 Developer options (useful when working on FFmpeg itself):
431 --disable-debug disable debugging symbols
432 --enable-debug=LEVEL set the debug level [$debuglevel]
433 --disable-optimizations disable compiler optimizations
434 --enable-extra-warnings enable more compiler warnings
435 --disable-stripping disable stripping of executables and shared libraries
436 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
437 2 causes a slowdown at runtime.
438 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
439 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
440 leaks and errors, using the specified valgrind binary.
441 Cannot be combined with --target-exec
442 --enable-ftrapv Trap arithmetic overflows
443 --samples=PATH location of test samples for FATE, if not set use
444 \$FATE_SAMPLES at make invocation time.
445 --enable-neon-clobber-test check NEON registers for clobbering (should be
446 used only for debugging purposes)
447 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
448 should be used only for debugging purposes)
449 --enable-random randomly enable/disable components
451 --enable-random=LIST randomly enable/disable specific components or
452 --disable-random=LIST component groups. LIST is a comma-separated list
453 of NAME[:PROB] entries where NAME is a component
454 (group) and PROB the probability associated with
456 --random-seed=VALUE seed value for --enable/disable-random
457 --disable-valgrind-backtrace do not print a backtrace under Valgrind
458 (only applies to --disable-optimizations builds)
459 --enable-osfuzz Enable building fuzzer tool
460 --libfuzzer=PATH path to libfuzzer
461 --ignore-tests=TESTS comma-separated list (without "fate-" prefix
462 in the name) of tests whose result is ignored
463 --enable-linux-perf enable Linux Performance Monitor API
465 NOTE: Object files are built at the place where configure is launched.
470 if test -t 1 && which tput >/dev/null 2>&1; then
471 ncolors=$(tput colors)
472 if test -n "$ncolors" && test $ncolors -ge 8; then
473 bold_color=$(tput bold)
474 warn_color=$(tput setaf 3)
475 error_color=$(tput setaf 1)
476 reset_color=$(tput sgr0)
478 # 72 used instead of 80 since that's the default of pr
484 echo "$@" >> $logfile
489 pr -n -t $1 >> $logfile
495 WARNINGS="${WARNINGS}WARNING: $*\n"
500 echo "$error_color$bold_color$@$reset_color"
503 If you think configure made a mistake, make sure you are using the latest
504 version from Git. If the latest version fails, report the problem to the
505 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
507 if disabled logging; then
509 Rerun configure with logging enabled (do not use --disable-logging), and
510 include the log this produces with your report.
514 Include the log file "$logfile" produced by configure as this will help
521 # Avoid locale weirdness, besides we really just want to translate ASCII.
523 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
527 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
531 echo "$*" | sed 's/["\\]/\\\0/g'
535 v=$(echo "$1" | sed "s/'/'\\\\''/g")
536 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
541 echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
548 eval "case '$v' in $pat) printf '%s ' '$v' ;; esac"
556 eval "case '$v' in $pat) ;; *) printf '%s ' '$v' ;; esac"
563 for v; do eval $m; done
569 for v; do echo ${v}${suffix}; done
575 for v; do echo ${v%$suffix}; done
590 eval : \${$var:=$value}
595 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
601 eval $(sanitize_var_name "$var")='$*'
605 eval echo \$$(sanitize_var_name "$1")
610 eval level=\${${pvar}_level:=0}
611 eval ${pvar}_${level}="\$$pvar"
612 eval ${pvar}_level=$(($level+1))
618 eval level=\${${pvar}_level:-0}
619 test $level = 0 && continue
620 eval level=$(($level-1))
621 eval $pvar="\${${pvar}_${level}}"
622 eval ${pvar}_level=$level
623 eval unset ${pvar}_${level}
629 eval ${var}_requested=yes
652 enable $(sanitize_var_name $var)
658 disable $(sanitize_var_name $var)
664 enabled $var && continue
665 eval sel="\$${var}_select"
666 eval sgs="\$${var}_suggest"
670 enable_deep_weak $sgs
682 disabled $var && continue
691 test "${1#!}" = "$1" && op="=" || op="!="
692 eval test "x\$${1#!}_requested" $op "xyes"
696 test "${1#!}" = "$1" && op="=" || op="!="
697 eval test "x\$${1#!}" $op "xyes"
701 test "${1#!}" = "$1" && op="=" || op="!="
702 eval test "x\$${1#!}" $op "xno"
707 enabled $opt || return 1
713 disabled $opt || return 1
719 enabled $opt && return 0
725 disabled $opt && return 0
732 eval : \${$opt:=\$${opt}_default}
740 [ $var = $value ] && return 0
747 enabled ${cfg}_checking && die "Circular dependency for $cfg."
748 disabled ${cfg}_checking && continue
749 enable ${cfg}_checking
751 eval dep_all="\$${cfg}_deps"
752 eval dep_any="\$${cfg}_deps_any"
753 eval dep_con="\$${cfg}_conflict"
754 eval dep_sel="\$${cfg}_select"
755 eval dep_sgs="\$${cfg}_suggest"
756 eval dep_ifa="\$${cfg}_if"
757 eval dep_ifn="\$${cfg}_if_any"
759 pushvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
760 check_deps $dep_all $dep_any $dep_con $dep_sel $dep_sgs $dep_ifa $dep_ifn
761 popvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
763 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
764 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
765 enabled_all $dep_all || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not all dependencies are satisfied: $dep_all"; }
766 enabled_any $dep_any || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not any dependency is satisfied: $dep_any"; }
767 disabled_all $dep_con || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some conflicting dependencies are unsatisfied: $dep_con"; }
768 disabled_any $dep_sel && { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some selected dependency is unsatisfied: $dep_sel"; }
770 enabled $cfg && enable_deep_weak $dep_sel $dep_sgs
772 for dep in $dep_all $dep_any $dep_sel $dep_sgs; do
773 # filter out library deps, these do not belong in extralibs
774 is_in $dep $LIBRARY_LIST && continue
775 enabled $dep && eval append ${cfg}_extralibs ${dep}_extralibs
778 disable ${cfg}_checking
786 map 'eval echo "$v \${$v:-no}"' "$@" |
787 awk "BEGIN { split(\"$files\", files) }
789 c = \"$pfx\" toupper(\$1);
795 if (file ~ /\\.h\$/) {
796 printf(\"#define %s %d\\n\", c, v) >>file;
797 } else if (file ~ /\\.asm\$/) {
798 printf(\"%%define %s %d\\n\", c, v) >>file;
799 } else if (file ~ /\\.mak\$/) {
800 n = -v ? \"\" : \"!\";
801 printf(\"%s%s=yes\\n\", n, c) >>file;
802 } else if (file ~ /\\.texi\$/) {
803 pre = -v ? \"\" : \"@c \";
806 gsub(/_/, \"-\", c2);
807 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
817 enabled $v && printf "%s\n" ${v%$suf}
824 eval "$var=\"\$$var $*\""
830 eval "$var=\"$* \$$var\""
836 for tok in $(eval echo \$$var); do
837 uniq_list="$(filter_out $tok $uniq_list) $tok"
839 eval "$var=\"${uniq_list}\""
845 for entry in $(eval echo \$$var); do
846 tmpvar="$tmpvar $(eval echo \$${entry})"
848 eval "$var=\"${tmpvar}\""
856 append CFLAGS $($cflags_filter "$@")
859 add_cflags_headers(){
860 append CFLAGS_HEADERS $($cflags_filter "$@")
864 append CXXFLAGS $($cflags_filter "$@")
868 append ASFLAGS $($asflags_filter "$@")
872 append OBJCFLAGS $($objcflags_filter "$@")
876 append LDFLAGS $($ldflags_filter "$@")
880 append LDEXEFLAGS $($ldflags_filter "$@")
884 append LDSOFLAGS $($ldflags_filter "$@")
888 append ASMSTRIPFLAGS "$@"
892 prepend extralibs $($ldflags_filter "$@")
896 append host_cppflags "$@"
900 append host_cflags $($host_cflags_filter "$@")
904 append host_ldflags $($host_ldflags_filter "$@")
908 append compat_objs $1
910 map 'add_cppflags -D$v' "$@"
915 "$@" >> $logfile 2>&1
920 stat "$1" >> $logfile 2>&1
924 eval printf '%s\\n' $CC_O
928 eval printf '%s\\n' $CC_E
935 test_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
942 test_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
949 test_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
956 test_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
960 eval printf '%s\\n' $AS_O
967 test_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
973 disabled $cmd && return
975 test_cmd $@ && enable $cmd
979 log check_inline_asm "$@"
984 test_cc "$@" <<EOF && enable $name
985 void foo(void){ __asm__ volatile($code); }
989 check_inline_asm_flags(){
990 log check_inline_asm_flags "$@"
995 while [ "$1" != "" ]; do
1001 void foo(void){ __asm__ volatile($code); }
1004 test_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&
1005 enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags
1010 check_inline_asm ${1}_inline "$2"
1011 echo "$2" | test_as && enable ${1}_external || disable ${1}_external
1015 log test_x86asm "$@"
1019 test_cmd $x86asmexe $X86ASMFLAGS -Werror "$@" -o $TMPO $TMPS
1023 eval printf '%s\\n' $LD_O
1030 flags=$(filter_out '-l*|*.so' $@)
1031 libs=$(filter '-l*|*.so' $@)
1032 test_$type $($cflags_filter $flags) || return
1033 flags=$($ldflags_filter $flags)
1034 libs=$($ldflags_filter $libs)
1035 test_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
1040 test "${hdr%.h}" = "${hdr}" &&
1041 echo "#include $hdr" ||
1042 echo "#include <$hdr>"
1052 for hdr in $headers; do
1055 echo "int main(void) { $code; return 0; }"
1056 } | test_$check "$@"
1060 log check_cppflags "$@"
1061 test_cpp "$@" <<EOF && append CPPFLAGS "$@"
1067 log test_cflags "$@"
1068 set -- $($cflags_filter "$@")
1075 log check_cflags "$@"
1076 test_cflags "$@" && add_cflags "$@"
1080 log check_cxxflags "$@"
1081 set -- $($cflags_filter "$@")
1082 test_cxx "$@" <<EOF && append CXXFLAGS "$@"
1088 log test_objcflags "$@"
1089 set -- $($objcflags_filter "$@")
1090 test_objcc "$@" <<EOF
1096 log check_objcflags "$@"
1097 test_objcflags "$@" && add_objcflags "$@"
1101 log test_ldflags "$@"
1102 set -- $($ldflags_filter "$@")
1103 test_ld "cc" "$@" <<EOF
1104 int main(void){ return 0; }
1109 log check_ldflags "$@"
1110 test_ldflags "$@" && add_ldflags "$@"
1114 log test_stripflags "$@"
1115 # call test_cc to get a fresh TMPO
1117 int main(void) { return 0; }
1119 test_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1123 log check_stripflags "$@"
1124 test_stripflags "$@" && add_stripflags "$@"
1128 log check_header "$@"
1131 disable_sanitized $headers
1133 for hdr in $headers; do
1137 } | test_cpp "$@" && enable_sanitized $headers
1140 check_header_objcc(){
1141 log check_header_objcc "$@"
1145 disable_sanitized $header
1147 echo "#include <$header>"
1148 echo "int main(void) { return 0; }"
1149 } | test_objcc && test_stat "$TMPO" && enable_sanitized $header
1152 check_apple_framework(){
1153 log check_apple_framework "$@"
1155 name="$(tolower $framework)"
1156 header="${framework}/${framework}.h"
1158 check_header_objcc $header &&
1159 enable $name && eval ${name}_extralibs='"-framework $framework"'
1167 test_ld "cc" "$@" <<EOF && enable $func
1169 int main(void){ $func(); }
1173 check_complexfunc(){
1174 log check_complexfunc "$@"
1178 test $narg = 2 && args="f, g" || args="f * I"
1180 test_ld "cc" "$@" <<EOF && enable $func
1181 #include <complex.h>
1183 float foo(complex float f, complex float g) { return $func($args); }
1184 int main(void){ return (int) foo; }
1189 log check_mathfunc "$@"
1193 test $narg = 2 && args="f, g" || args="f"
1195 test_ld "cc" "$@" <<EOF && enable $func
1197 float foo(float f, float g) { return $func($args); }
1198 int main(void){ return (int) foo; }
1202 check_func_headers(){
1203 log check_func_headers "$@"
1208 for hdr in $headers; do
1211 echo "#include <stdint.h>"
1212 for func in $funcs; do
1213 echo "long check_$func(void) { return (long) $func; }"
1215 echo "int main(void) { int ret = 0;"
1216 # LTO could optimize out the test functions without this
1217 for func in $funcs; do
1218 echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"
1220 echo "return ret; }"
1221 } | test_ld "cc" "$@" && enable $funcs && enable_sanitized $headers
1224 check_class_headers_cpp(){
1225 log check_class_headers_cpp "$@"
1230 for hdr in $headers; do
1231 echo "#include <$hdr>"
1233 echo "int main(void) { "
1235 for class in $classes; do
1236 echo "$class obj$i;"
1240 } | test_ld "cxx" "$@" && enable $funcs && enable_sanitized $headers
1243 test_cpp_condition(){
1244 log test_cpp_condition "$@"
1251 #error "unsatisfied condition: $condition"
1256 check_cpp_condition(){
1257 log check_cpp_condition "$@"
1261 test_cpp_condition "$@" && enable $name
1265 log test_cflags_cc "$@"
1270 set -- $($cflags_filter "$flags")
1274 #error "unsatisfied condition: $condition"
1286 check_func_headers "$headers" "$funcs" "$@" &&
1287 enable $name && eval ${name}_extralibs="\$@"
1291 log check_lib_cpp "$@"
1297 check_class_headers_cpp "$headers" "$classes" "$@" &&
1298 enable $name && eval ${name}_extralibs="\$@"
1302 log test_pkg_config "$@"
1310 test_cmd $pkg_config --exists --print-errors $pkg_version || return
1311 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1312 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1313 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1315 set_sanitized "${name}_cflags" $pkg_cflags &&
1316 set_sanitized "${name}_extralibs" $pkg_libs
1320 log check_pkg_config "$@"
1322 test_pkg_config "$@" &&
1323 eval add_cflags \$${name}_cflags
1327 test_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1331 log check_exec_crash "$@"
1334 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1335 # are safe but may not be available everywhere. Thus we use
1336 # raise(SIGTERM) instead. The check is run in a subshell so we
1337 # can redirect the "Terminated" message from the shell. SIGBUS
1338 # is not defined by standard C so it is used conditionally.
1340 (test_exec "$@") >> $logfile 2>&1 <<EOF
1342 static void sighandler(int sig){
1348 int (*func_ptr)(void) = foo;
1350 signal(SIGILL, sighandler);
1351 signal(SIGFPE, sighandler);
1352 signal(SIGSEGV, sighandler);
1354 signal(SIGBUS, sighandler);
1366 disable_sanitized "$type"
1367 test_code cc "$headers" "$type v" "$@" && enable_sanitized "$type"
1371 log check_struct "$@"
1376 disable_sanitized "${struct}_${member}"
1377 test_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1378 enable_sanitized "${struct}_${member}"
1382 log check_builtin "$@"
1388 test_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1391 check_compile_assert(){
1392 log check_compile_assert "$@"
1398 test_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1406 check_lib $name "$@" || die "ERROR: $name_version not found"
1414 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1418 log require_header "$@"
1420 check_header "$@" || die "ERROR: $headers not found"
1423 require_cpp_condition(){
1424 log require_cpp_condition "$@"
1426 test_cpp_condition "$@" || die "ERROR: $condition not satisfied"
1429 require_pkg_config(){
1430 log require_pkg_config "$@"
1432 check_pkg_config "$@" || die "ERROR: $pkg_version not found using pkg-config$pkg_config_fail_message"
1436 eval printf '%s\\n' $HOSTCC_E
1440 eval printf '%s\\n' $HOSTCC_O
1444 log test_host_cc "$@"
1447 test_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1451 log test_host_cpp "$@"
1454 test_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1457 check_host_cppflags(){
1458 log check_host_cppflags "$@"
1459 test_host_cpp "$@" <<EOF && append host_cppflags "$@"
1464 check_host_cflags(){
1465 log check_host_cflags "$@"
1466 set -- $($host_cflags_filter "$@")
1467 test_host_cc "$@" <<EOF && append host_cflags "$@"
1472 test_host_cpp_condition(){
1473 log test_host_cpp_condition "$@"
1477 test_host_cpp "$@" <<EOF
1480 #error "unsatisfied condition: $condition"
1485 check_host_cpp_condition(){
1486 log check_host_cpp_condition "$@"
1490 test_host_cpp_condition "$@" && enable $name
1494 cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1495 mkdir -p "$(dirname $2)"
1499 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1500 # system-dependent things.
1502 AVCODEC_COMPONENTS="
1510 AVDEVICE_COMPONENTS="
1515 AVFILTER_COMPONENTS="
1519 AVFORMAT_COMPONENTS="
1527 $AVDEVICE_COMPONENTS
1528 $AVFILTER_COMPONENTS
1529 $AVFORMAT_COMPONENTS
1533 avio_dir_cmd_example
1534 avio_reading_example
1535 decode_audio_example
1536 decode_video_example
1537 demuxing_decoding_example
1538 encode_audio_example
1539 encode_video_example
1541 filter_audio_example
1542 filtering_audio_example
1543 filtering_video_example
1544 http_multiclient_example
1550 resampling_audio_example
1551 scaling_video_example
1552 transcode_aac_example
1554 vaapi_encode_example
1555 vaapi_transcode_example
1558 EXTERNAL_AUTODETECT_LIBRARY_LIST="
1578 EXTERNAL_LIBRARY_GPL_LIST="
1590 EXTERNAL_LIBRARY_NONFREE_LIST="
1598 EXTERNAL_LIBRARY_VERSION3_LIST="
1607 EXTERNAL_LIBRARY_GPLV3_LIST="
1611 EXTERNAL_LIBRARY_LIST="
1612 $EXTERNAL_LIBRARY_GPL_LIST
1613 $EXTERNAL_LIBRARY_NONFREE_LIST
1614 $EXTERNAL_LIBRARY_VERSION3_LIST
1615 $EXTERNAL_LIBRARY_GPLV3_LIST
1674 HWACCEL_AUTODETECT_LIBRARY_LIST="
1692 # catchall list of things that require external libs to link
1698 HWACCEL_LIBRARY_NONFREE_LIST="
1703 HWACCEL_LIBRARY_LIST="
1704 $HWACCEL_LIBRARY_NONFREE_LIST
1725 safe_bitstream_reader
1771 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1775 $EXTERNAL_LIBRARY_LIST
1776 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1777 $HWACCEL_LIBRARY_LIST
1778 $HWACCEL_AUTODETECT_LIBRARY_LIST
1810 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1811 $HWACCEL_AUTODETECT_LIBRARY_LIST
1853 ARCH_EXT_LIST_MIPS="
1865 ARCH_EXT_LIST_LOONGSON="
1871 ARCH_EXT_LIST_X86_SIMD="
1901 $ARCH_EXT_LIST_X86_SIMD
1911 $ARCH_EXT_LIST_LOONGSON
1932 sync_val_compare_and_swap
1949 cdio_paranoia_paranoia_h
1952 dev_bktr_ioctl_bt848_h
1953 dev_bktr_ioctl_meteor_h
1955 dev_video_bktr_ioctl_bt848_h
1956 dev_video_meteor_ioctl_meteor_h
1964 machine_ioctl_bt848_h
1965 machine_ioctl_meteor_h
1967 opencv2_core_core_c_h
2029 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
2047 GetProcessAffinityMask
2048 GetProcessMemoryInfo
2051 GetSystemTimeAsFileTime
2074 SetConsoleTextAttribute
2075 SetConsoleCtrlHandler
2083 UTGetOSTypeFromString
2095 TOOLCHAIN_FEATURES="
2107 inline_asm_direct_symbol_refs
2109 inline_asm_nonlocal_labels
2120 kCMVideoCodecType_HEVC
2123 struct_group_source_req
2124 struct_ip_mreq_source
2126 struct_msghdr_msg_flags
2128 struct_rusage_ru_maxrss
2129 struct_sctp_event_subscribe
2131 struct_sockaddr_sa_len
2132 struct_sockaddr_storage
2133 struct_stat_st_mtim_tv_nsec
2134 struct_v4l2_frmivalenum_discrete
2139 $(add_suffix _external $ARCH_EXT_LIST)
2140 $(add_suffix _inline $ARCH_EXT_LIST)
2160 opencl_vaapi_beignet
2161 opencl_vaapi_intel_media
2167 # options emitted with CONFIG_ prefix but not available on the command line
2189 frame_thread_encoder
2345 # code dependency declarations
2347 # architecture extensions
2352 armv8_deps="aarch64"
2353 neon_deps_any="aarch64 arm"
2354 intrinsics_neon_deps="neon"
2355 vfp_deps_any="aarch64 arm"
2359 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2368 loongson2_deps="mips"
2369 loongson3_deps="mips"
2370 mips32r2_deps="mips"
2371 mips32r5_deps="mips"
2372 mips32r6_deps="mips"
2373 mips64r2_deps="mips"
2374 mips64r6_deps="mips"
2377 mipsdspr2_deps="mips"
2382 x86_64_select="i686"
2383 x86_64_suggest="fast_cmov"
2386 amd3dnowext_deps="amd3dnow"
2404 mmx_external_deps="x86asm"
2405 mmx_inline_deps="inline_asm x86"
2406 mmx_suggest="mmx_external mmx_inline"
2408 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2409 eval dep=\$${ext}_deps
2410 eval ${ext}_external_deps='"${dep}_external"'
2411 eval ${ext}_inline_deps='"${dep}_inline"'
2412 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2415 aligned_stack_if_any="aarch64 ppc x86"
2416 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2417 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2418 fast_unaligned_if_any="aarch64 ppc x86"
2419 simd_align_16_if_any="altivec neon sse"
2420 simd_align_32_if_any="avx"
2421 simd_align_64_if_any="avx512"
2423 # system capabilities
2424 symver_if_any="symver_asm_label symver_gnu_asm"
2425 valgrind_backtrace_conflict="optimizations"
2426 valgrind_backtrace_deps="valgrind_valgrind_h"
2429 atomics_gcc_if="sync_val_compare_and_swap"
2430 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2431 atomics_win32_if="MemoryBarrier"
2432 atomics_native_if_any="$ATOMICS_LIST"
2433 w32threads_deps="atomics_native"
2434 threads_if_any="$THREADS_LIST"
2437 cbs_h264_select="cbs golomb"
2438 cbs_h265_select="cbs golomb"
2439 cbs_mpeg2_select="cbs"
2441 dirac_parse_select="golomb"
2442 error_resilience_select="me_cmp"
2444 faandct_select="fdctdsp"
2445 faanidct_deps="faan"
2446 faanidct_select="idctdsp"
2447 h264dsp_select="startcode"
2448 hevcparse_select="golomb"
2449 frame_thread_encoder_deps="encoders threads"
2450 intrax8_select="blockdsp idctdsp"
2453 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2454 mpeg_er_select="error_resilience"
2455 mpegaudio_select="mpegaudiodsp mpegaudioheader"
2456 mpegaudiodsp_select="dct"
2457 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2458 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2459 vc1dsp_select="h264chroma qpeldsp startcode"
2462 # decoders / encoders
2463 aac_decoder_select="adts_header mdct15 mdct sinewin"
2464 aac_fixed_decoder_select="adts_header mdct sinewin"
2465 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2466 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2467 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2468 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2469 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2470 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2471 adpcm_g722_decoder_select="g722dsp"
2472 adpcm_g722_encoder_select="g722dsp"
2473 aic_decoder_select="golomb idctdsp"
2474 alac_encoder_select="lpc"
2475 als_decoder_select="bswapdsp"
2476 amrnb_decoder_select="lsp"
2477 amrwb_decoder_select="lsp"
2478 amv_decoder_select="sp5x_decoder exif"
2479 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2480 ape_decoder_select="bswapdsp llauddsp"
2481 apng_decoder_deps="zlib"
2482 apng_encoder_deps="zlib"
2483 apng_encoder_select="llvidencdsp"
2484 aptx_decoder_select="audio_frame_queue"
2485 aptx_encoder_select="audio_frame_queue"
2486 aptx_hd_decoder_select="audio_frame_queue"
2487 aptx_hd_encoder_select="audio_frame_queue"
2488 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2489 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2490 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2491 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2492 atrac1_decoder_select="mdct sinewin"
2493 atrac3_decoder_select="mdct"
2494 atrac3p_decoder_select="mdct sinewin"
2495 avrn_decoder_select="exif jpegtables"
2496 bink_decoder_select="blockdsp hpeldsp"
2497 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2498 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2499 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2500 clearvideo_decoder_select="idctdsp"
2501 cllc_decoder_select="bswapdsp"
2502 comfortnoise_encoder_select="lpc"
2503 cook_decoder_select="audiodsp mdct sinewin"
2504 cscd_decoder_select="lzo"
2505 cscd_decoder_suggest="zlib"
2506 dca_decoder_select="mdct"
2507 dds_decoder_select="texturedsp"
2508 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2509 dnxhd_decoder_select="blockdsp idctdsp"
2510 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2511 dolby_e_decoder_select="mdct"
2512 dvvideo_decoder_select="dvprofile idctdsp"
2513 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2514 dxa_decoder_deps="zlib"
2515 dxv_decoder_select="lzf texturedsp"
2516 eac3_decoder_select="ac3_decoder"
2517 eac3_encoder_select="ac3_encoder"
2518 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2519 eatgq_decoder_select="aandcttables"
2520 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2521 exr_decoder_deps="zlib"
2522 ffv1_decoder_select="rangecoder"
2523 ffv1_encoder_select="rangecoder"
2524 ffvhuff_decoder_select="huffyuv_decoder"
2525 ffvhuff_encoder_select="huffyuv_encoder"
2526 fic_decoder_select="golomb"
2527 flac_decoder_select="flacdsp"
2528 flac_encoder_select="bswapdsp flacdsp lpc"
2529 flashsv2_decoder_deps="zlib"
2530 flashsv2_encoder_deps="zlib"
2531 flashsv_decoder_deps="zlib"
2532 flashsv_encoder_deps="zlib"
2533 flv_decoder_select="h263_decoder"
2534 flv_encoder_select="h263_encoder"
2535 fourxm_decoder_select="blockdsp bswapdsp"
2536 fraps_decoder_select="bswapdsp huffman"
2537 g2m_decoder_deps="zlib"
2538 g2m_decoder_select="blockdsp idctdsp jpegtables"
2539 g729_decoder_select="audiodsp"
2540 h261_decoder_select="mpegvideo"
2541 h261_encoder_select="aandcttables mpegvideoenc"
2542 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2543 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2544 h263i_decoder_select="h263_decoder"
2545 h263p_decoder_select="h263_decoder"
2546 h263p_encoder_select="h263_encoder"
2547 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2548 h264_decoder_suggest="error_resilience"
2549 hap_decoder_select="snappy texturedsp"
2550 hap_encoder_deps="libsnappy"
2551 hap_encoder_select="texturedspenc"
2552 hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"
2553 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2554 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"
2555 iac_decoder_select="imc_decoder"
2556 imc_decoder_select="bswapdsp fft mdct sinewin"
2557 indeo3_decoder_select="hpeldsp"
2558 indeo4_decoder_select="ividsp"
2559 indeo5_decoder_select="ividsp"
2560 interplay_video_decoder_select="hpeldsp"
2561 jpegls_decoder_select="mjpeg_decoder"
2562 jv_decoder_select="blockdsp"
2563 lagarith_decoder_select="llviddsp"
2564 ljpeg_encoder_select="aandcttables idctdsp jpegtables mpegvideoenc"
2565 magicyuv_decoder_select="llviddsp"
2566 magicyuv_encoder_select="llvidencdsp"
2567 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2568 metasound_decoder_select="lsp mdct sinewin"
2569 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2570 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2571 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2572 mjpegb_decoder_select="mjpeg_decoder"
2573 mlp_decoder_select="mlp_parser"
2574 mlp_encoder_select="lpc"
2575 motionpixels_decoder_select="bswapdsp"
2576 mp1_decoder_select="mpegaudio"
2577 mp1float_decoder_select="mpegaudio"
2578 mp2_decoder_select="mpegaudio"
2579 mp2float_decoder_select="mpegaudio"
2580 mp3_decoder_select="mpegaudio"
2581 mp3adu_decoder_select="mpegaudio"
2582 mp3adufloat_decoder_select="mpegaudio"
2583 mp3float_decoder_select="mpegaudio"
2584 mp3on4_decoder_select="mpegaudio"
2585 mp3on4float_decoder_select="mpegaudio"
2586 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2587 mpc8_decoder_select="mpegaudiodsp"
2588 mpegvideo_decoder_select="mpegvideo"
2589 mpeg1video_decoder_select="mpegvideo"
2590 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2591 mpeg2video_decoder_select="mpegvideo"
2592 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2593 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2594 mpeg4_encoder_select="h263_encoder"
2595 msa1_decoder_select="mss34dsp"
2596 mscc_decoder_deps="zlib"
2597 msmpeg4v1_decoder_select="h263_decoder"
2598 msmpeg4v2_decoder_select="h263_decoder"
2599 msmpeg4v2_encoder_select="h263_encoder"
2600 msmpeg4v3_decoder_select="h263_decoder"
2601 msmpeg4v3_encoder_select="h263_encoder"
2602 mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"
2603 mts2_decoder_select="mss34dsp"
2604 mxpeg_decoder_select="mjpeg_decoder"
2605 nellymoser_decoder_select="mdct sinewin"
2606 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2607 nuv_decoder_select="idctdsp lzo"
2608 on2avc_decoder_select="mdct"
2609 opus_decoder_deps="swresample"
2610 opus_decoder_select="mdct15"
2611 opus_encoder_select="audio_frame_queue mdct15"
2612 png_decoder_deps="zlib"
2613 png_encoder_deps="zlib"
2614 png_encoder_select="llvidencdsp"
2615 prores_decoder_select="blockdsp idctdsp"
2616 prores_encoder_select="fdctdsp"
2617 qcelp_decoder_select="lsp"
2618 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2619 ra_144_decoder_select="audiodsp"
2620 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2621 ralf_decoder_select="golomb"
2622 rawvideo_decoder_select="bswapdsp"
2623 rscc_decoder_deps="zlib"
2624 rtjpeg_decoder_select="me_cmp"
2625 rv10_decoder_select="h263_decoder"
2626 rv10_encoder_select="h263_encoder"
2627 rv20_decoder_select="h263_decoder"
2628 rv20_encoder_select="h263_encoder"
2629 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2630 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2631 screenpresso_decoder_deps="zlib"
2632 shorten_decoder_select="bswapdsp"
2633 sipr_decoder_select="lsp"
2634 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2635 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2636 sonic_decoder_select="golomb rangecoder"
2637 sonic_encoder_select="golomb rangecoder"
2638 sonic_ls_encoder_select="golomb rangecoder"
2639 sp5x_decoder_select="mjpeg_decoder"
2640 srgc_decoder_deps="zlib"
2641 svq1_decoder_select="hpeldsp"
2642 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2643 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2644 svq3_decoder_suggest="zlib"
2645 tak_decoder_select="audiodsp"
2646 tdsc_decoder_deps="zlib"
2647 tdsc_decoder_select="mjpeg_decoder"
2648 theora_decoder_select="vp3_decoder"
2649 thp_decoder_select="mjpeg_decoder"
2650 tiff_decoder_suggest="zlib lzma"
2651 tiff_encoder_suggest="zlib"
2652 truehd_decoder_select="mlp_parser"
2653 truehd_encoder_select="lpc"
2654 truemotion2_decoder_select="bswapdsp"
2655 truespeech_decoder_select="bswapdsp"
2656 tscc_decoder_deps="zlib"
2657 twinvq_decoder_select="mdct lsp sinewin"
2658 txd_decoder_select="texturedsp"
2659 utvideo_decoder_select="bswapdsp llviddsp"
2660 utvideo_encoder_select="bswapdsp huffman llvidencdsp"
2661 vble_decoder_select="llviddsp"
2662 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2663 vc1image_decoder_select="vc1_decoder"
2664 vorbis_decoder_select="mdct"
2665 vorbis_encoder_select="audio_frame_queue mdct"
2666 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2667 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2668 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2669 vp6a_decoder_select="vp6_decoder"
2670 vp6f_decoder_select="vp6_decoder"
2671 vp7_decoder_select="h264pred videodsp vp8dsp"
2672 vp8_decoder_select="h264pred videodsp vp8dsp"
2673 vp9_decoder_select="videodsp vp9_parser vp9_superframe_split_bsf"
2674 webp_decoder_select="vp8_decoder exif"
2675 wmalossless_decoder_select="llauddsp"
2676 wmapro_decoder_select="mdct sinewin wma_freqs"
2677 wmav1_decoder_select="mdct sinewin wma_freqs"
2678 wmav1_encoder_select="mdct sinewin wma_freqs"
2679 wmav2_decoder_select="mdct sinewin wma_freqs"
2680 wmav2_encoder_select="mdct sinewin wma_freqs"
2681 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2682 wmv1_decoder_select="h263_decoder"
2683 wmv1_encoder_select="h263_encoder"
2684 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2685 wmv2_encoder_select="h263_encoder wmv2dsp"
2686 wmv3_decoder_select="vc1_decoder"
2687 wmv3image_decoder_select="wmv3_decoder"
2688 xma1_decoder_select="wmapro_decoder"
2689 xma2_decoder_select="wmapro_decoder"
2690 zerocodec_decoder_deps="zlib"
2691 zlib_decoder_deps="zlib"
2692 zlib_encoder_deps="zlib"
2693 zmbv_decoder_deps="zlib"
2694 zmbv_encoder_deps="zlib"
2696 # hardware accelerators
2697 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2698 cuda_deps="ffnvcodec"
2699 cuvid_deps="ffnvcodec"
2700 d3d11va_deps="dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2701 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32 user32"
2702 ffnvcodec_deps_any="libdl LoadLibrary"
2703 nvdec_deps="ffnvcodec"
2704 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2705 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2706 xvmc_deps="X11_extensions_XvMClib_h"
2708 h263_vaapi_hwaccel_deps="vaapi"
2709 h263_vaapi_hwaccel_select="h263_decoder"
2710 h263_videotoolbox_hwaccel_deps="videotoolbox"
2711 h263_videotoolbox_hwaccel_select="h263_decoder"
2712 h264_d3d11va_hwaccel_deps="d3d11va"
2713 h264_d3d11va_hwaccel_select="h264_decoder"
2714 h264_d3d11va2_hwaccel_deps="d3d11va"
2715 h264_d3d11va2_hwaccel_select="h264_decoder"
2716 h264_dxva2_hwaccel_deps="dxva2"
2717 h264_dxva2_hwaccel_select="h264_decoder"
2718 h264_nvdec_hwaccel_deps="nvdec"
2719 h264_nvdec_hwaccel_select="h264_decoder"
2720 h264_vaapi_hwaccel_deps="vaapi"
2721 h264_vaapi_hwaccel_select="h264_decoder"
2722 h264_vdpau_hwaccel_deps="vdpau"
2723 h264_vdpau_hwaccel_select="h264_decoder"
2724 h264_videotoolbox_hwaccel_deps="videotoolbox"
2725 h264_videotoolbox_hwaccel_select="h264_decoder"
2726 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2727 hevc_d3d11va_hwaccel_select="hevc_decoder"
2728 hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2729 hevc_d3d11va2_hwaccel_select="hevc_decoder"
2730 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2731 hevc_dxva2_hwaccel_select="hevc_decoder"
2732 hevc_nvdec_hwaccel_deps="nvdec"
2733 hevc_nvdec_hwaccel_select="hevc_decoder"
2734 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2735 hevc_vaapi_hwaccel_select="hevc_decoder"
2736 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2737 hevc_vdpau_hwaccel_select="hevc_decoder"
2738 hevc_videotoolbox_hwaccel_deps="videotoolbox"
2739 hevc_videotoolbox_hwaccel_select="hevc_decoder"
2740 mjpeg_nvdec_hwaccel_deps="nvdec"
2741 mjpeg_nvdec_hwaccel_select="mjpeg_decoder"
2742 mjpeg_vaapi_hwaccel_deps="vaapi"
2743 mjpeg_vaapi_hwaccel_select="mjpeg_decoder"
2744 mpeg_xvmc_hwaccel_deps="xvmc"
2745 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2746 mpeg1_nvdec_hwaccel_deps="nvdec"
2747 mpeg1_nvdec_hwaccel_select="mpeg1video_decoder"
2748 mpeg1_vdpau_hwaccel_deps="vdpau"
2749 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2750 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2751 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2752 mpeg1_xvmc_hwaccel_deps="xvmc"
2753 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2754 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2755 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2756 mpeg2_d3d11va2_hwaccel_deps="d3d11va"
2757 mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"
2758 mpeg2_dxva2_hwaccel_deps="dxva2"
2759 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2760 mpeg2_nvdec_hwaccel_deps="nvdec"
2761 mpeg2_nvdec_hwaccel_select="mpeg2video_decoder"
2762 mpeg2_vaapi_hwaccel_deps="vaapi"
2763 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2764 mpeg2_vdpau_hwaccel_deps="vdpau"
2765 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2766 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2767 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2768 mpeg2_xvmc_hwaccel_deps="xvmc"
2769 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2770 mpeg4_nvdec_hwaccel_deps="nvdec"
2771 mpeg4_nvdec_hwaccel_select="mpeg4_decoder"
2772 mpeg4_vaapi_hwaccel_deps="vaapi"
2773 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2774 mpeg4_vdpau_hwaccel_deps="vdpau"
2775 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2776 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2777 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2778 vc1_d3d11va_hwaccel_deps="d3d11va"
2779 vc1_d3d11va_hwaccel_select="vc1_decoder"
2780 vc1_d3d11va2_hwaccel_deps="d3d11va"
2781 vc1_d3d11va2_hwaccel_select="vc1_decoder"
2782 vc1_dxva2_hwaccel_deps="dxva2"
2783 vc1_dxva2_hwaccel_select="vc1_decoder"
2784 vc1_nvdec_hwaccel_deps="nvdec"
2785 vc1_nvdec_hwaccel_select="vc1_decoder"
2786 vc1_vaapi_hwaccel_deps="vaapi"
2787 vc1_vaapi_hwaccel_select="vc1_decoder"
2788 vc1_vdpau_hwaccel_deps="vdpau"
2789 vc1_vdpau_hwaccel_select="vc1_decoder"
2790 vp8_nvdec_hwaccel_deps="nvdec"
2791 vp8_nvdec_hwaccel_select="vp8_decoder"
2792 vp8_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferVP8"
2793 vp8_vaapi_hwaccel_select="vp8_decoder"
2794 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2795 vp9_d3d11va_hwaccel_select="vp9_decoder"
2796 vp9_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2797 vp9_d3d11va2_hwaccel_select="vp9_decoder"
2798 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2799 vp9_dxva2_hwaccel_select="vp9_decoder"
2800 vp9_nvdec_hwaccel_deps="nvdec"
2801 vp9_nvdec_hwaccel_select="vp9_decoder"
2802 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"
2803 vp9_vaapi_hwaccel_select="vp9_decoder"
2804 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2805 wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"
2806 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2807 wmv3_nvdec_hwaccel_select="vc1_nvdec_hwaccel"
2808 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2809 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2811 # hardware-accelerated codecs
2812 omx_deps="libdl pthreads"
2813 omx_rpi_select="omx"
2818 vaapi_encode_deps="vaapi"
2819 v4l2_m2m_deps_any="linux_videodev2_h"
2821 hwupload_cuda_filter_deps="ffnvcodec"
2822 scale_npp_filter_deps="ffnvcodec libnpp"
2823 scale_cuda_filter_deps="cuda_sdk"
2824 thumbnail_cuda_filter_deps="cuda_sdk"
2826 amf_deps_any="libdl LoadLibrary"
2827 nvenc_deps="ffnvcodec"
2828 nvenc_deps_any="libdl LoadLibrary"
2829 nvenc_encoder_deps="nvenc"
2831 h263_v4l2m2m_decoder_deps="v4l2_m2m h263_v4l2_m2m"
2832 h263_v4l2m2m_encoder_deps="v4l2_m2m h263_v4l2_m2m"
2833 h264_amf_encoder_deps="amf"
2834 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2835 h264_cuvid_decoder_deps="cuvid"
2836 h264_cuvid_decoder_select="h264_mp4toannexb_bsf"
2837 h264_mediacodec_decoder_deps="mediacodec"
2838 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2839 h264_mmal_decoder_deps="mmal"
2840 h264_nvenc_encoder_deps="nvenc"
2841 h264_omx_encoder_deps="omx"
2842 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec"
2843 h264_qsv_encoder_select="qsvenc"
2844 h264_rkmpp_decoder_deps="rkmpp"
2845 h264_rkmpp_decoder_select="h264_mp4toannexb_bsf"
2846 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2847 h264_vaapi_encoder_select="cbs_h264 vaapi_encode"
2848 h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m"
2849 h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"
2850 hevc_amf_encoder_deps="amf"
2851 hevc_cuvid_decoder_deps="cuvid"
2852 hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"
2853 hevc_mediacodec_decoder_deps="mediacodec"
2854 hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"
2855 hevc_nvenc_encoder_deps="nvenc"
2856 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec"
2857 hevc_qsv_encoder_select="hevcparse qsvenc"
2858 hevc_rkmpp_decoder_deps="rkmpp"
2859 hevc_rkmpp_decoder_select="hevc_mp4toannexb_bsf"
2860 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2861 hevc_vaapi_encoder_select="cbs_h265 vaapi_encode"
2862 hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"
2863 hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"
2864 mjpeg_cuvid_decoder_deps="cuvid"
2865 mjpeg_qsv_encoder_deps="libmfx"
2866 mjpeg_qsv_encoder_select="qsvenc"
2867 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2868 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2869 mpeg1_cuvid_decoder_deps="cuvid"
2870 mpeg1_v4l2m2m_decoder_deps="v4l2_m2m mpeg1_v4l2_m2m"
2871 mpeg2_crystalhd_decoder_select="crystalhd"
2872 mpeg2_cuvid_decoder_deps="cuvid"
2873 mpeg2_mmal_decoder_deps="mmal"
2874 mpeg2_mediacodec_decoder_deps="mediacodec"
2875 mpeg2_qsv_decoder_select="qsvdec mpegvideo_parser"
2876 mpeg2_qsv_encoder_select="qsvenc"
2877 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2878 mpeg2_vaapi_encoder_select="cbs_mpeg2 vaapi_encode"
2879 mpeg2_v4l2m2m_decoder_deps="v4l2_m2m mpeg2_v4l2_m2m"
2880 mpeg4_crystalhd_decoder_select="crystalhd"
2881 mpeg4_cuvid_decoder_deps="cuvid"
2882 mpeg4_mediacodec_decoder_deps="mediacodec"
2883 mpeg4_mmal_decoder_deps="mmal"
2884 mpeg4_omx_encoder_deps="omx"
2885 mpeg4_v4l2m2m_decoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2886 mpeg4_v4l2m2m_encoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2887 msmpeg4_crystalhd_decoder_select="crystalhd"
2888 nvenc_h264_encoder_select="h264_nvenc_encoder"
2889 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2890 vc1_crystalhd_decoder_select="crystalhd"
2891 vc1_cuvid_decoder_deps="cuvid"
2892 vc1_mmal_decoder_deps="mmal"
2893 vc1_qsv_decoder_select="qsvdec vc1_parser"
2894 vc1_v4l2m2m_decoder_deps="v4l2_m2m vc1_v4l2_m2m"
2895 vp8_cuvid_decoder_deps="cuvid"
2896 vp8_mediacodec_decoder_deps="mediacodec"
2897 vp8_qsv_decoder_select="qsvdec vp8_parser"
2898 vp8_rkmpp_decoder_deps="rkmpp"
2899 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2900 vp8_vaapi_encoder_select="vaapi_encode"
2901 vp8_v4l2m2m_decoder_deps="v4l2_m2m vp8_v4l2_m2m"
2902 vp8_v4l2m2m_encoder_deps="v4l2_m2m vp8_v4l2_m2m"
2903 vp9_cuvid_decoder_deps="cuvid"
2904 vp9_mediacodec_decoder_deps="mediacodec"
2905 vp9_rkmpp_decoder_deps="rkmpp"
2906 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
2907 vp9_vaapi_encoder_select="vaapi_encode"
2908 vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m"
2909 wmv3_crystalhd_decoder_select="crystalhd"
2912 aac_parser_select="adts_header"
2913 h264_parser_select="golomb h264dsp h264parse"
2914 hevc_parser_select="hevcparse"
2915 mpegaudio_parser_select="mpegaudioheader"
2916 mpegvideo_parser_select="mpegvideo"
2917 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2918 vc1_parser_select="vc1dsp"
2921 aac_adtstoasc_bsf_select="adts_header"
2922 h264_metadata_bsf_select="cbs_h264"
2923 h264_redundant_pps_bsf_select="cbs_h264"
2924 hevc_metadata_bsf_select="cbs_h265"
2925 mjpeg2jpeg_bsf_select="jpegtables"
2926 mpeg2_metadata_bsf_select="cbs_mpeg2"
2927 trace_headers_bsf_select="cbs_h264 cbs_h265 cbs_mpeg2"
2929 # external libraries
2930 aac_at_decoder_deps="audiotoolbox"
2931 aac_at_decoder_select="aac_adtstoasc_bsf"
2932 ac3_at_decoder_deps="audiotoolbox"
2933 ac3_at_decoder_select="ac3_parser"
2934 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
2935 alac_at_decoder_deps="audiotoolbox"
2936 amr_nb_at_decoder_deps="audiotoolbox"
2937 avisynth_deps_any="libdl LoadLibrary"
2938 avisynth_demuxer_deps="avisynth"
2939 avisynth_demuxer_select="riffdec"
2940 eac3_at_decoder_deps="audiotoolbox"
2941 eac3_at_decoder_select="ac3_parser"
2942 gsm_ms_at_decoder_deps="audiotoolbox"
2943 ilbc_at_decoder_deps="audiotoolbox"
2944 mp1_at_decoder_deps="audiotoolbox"
2945 mp2_at_decoder_deps="audiotoolbox"
2946 mp3_at_decoder_deps="audiotoolbox"
2947 mp1_at_decoder_select="mpegaudioheader"
2948 mp2_at_decoder_select="mpegaudioheader"
2949 mp3_at_decoder_select="mpegaudioheader"
2950 pcm_alaw_at_decoder_deps="audiotoolbox"
2951 pcm_mulaw_at_decoder_deps="audiotoolbox"
2952 qdmc_at_decoder_deps="audiotoolbox"
2953 qdm2_at_decoder_deps="audiotoolbox"
2954 aac_at_encoder_deps="audiotoolbox"
2955 aac_at_encoder_select="audio_frame_queue"
2956 alac_at_encoder_deps="audiotoolbox"
2957 alac_at_encoder_select="audio_frame_queue"
2958 ilbc_at_encoder_deps="audiotoolbox"
2959 ilbc_at_encoder_select="audio_frame_queue"
2960 pcm_alaw_at_encoder_deps="audiotoolbox"
2961 pcm_alaw_at_encoder_select="audio_frame_queue"
2962 pcm_mulaw_at_encoder_deps="audiotoolbox"
2963 pcm_mulaw_at_encoder_select="audio_frame_queue"
2964 chromaprint_muxer_deps="chromaprint"
2965 h264_videotoolbox_encoder_deps="pthreads"
2966 h264_videotoolbox_encoder_select="videotoolbox_encoder"
2967 hevc_videotoolbox_encoder_deps="pthreads"
2968 hevc_videotoolbox_encoder_select="videotoolbox_encoder"
2969 libcelt_decoder_deps="libcelt"
2970 libcodec2_decoder_deps="libcodec2"
2971 libcodec2_encoder_deps="libcodec2"
2972 libfdk_aac_decoder_deps="libfdk_aac"
2973 libfdk_aac_encoder_deps="libfdk_aac"
2974 libfdk_aac_encoder_select="audio_frame_queue"
2975 libgme_demuxer_deps="libgme"
2976 libgsm_decoder_deps="libgsm"
2977 libgsm_encoder_deps="libgsm"
2978 libgsm_ms_decoder_deps="libgsm"
2979 libgsm_ms_encoder_deps="libgsm"
2980 libilbc_decoder_deps="libilbc"
2981 libilbc_encoder_deps="libilbc"
2982 libkvazaar_encoder_deps="libkvazaar"
2983 libmodplug_demuxer_deps="libmodplug"
2984 libmp3lame_encoder_deps="libmp3lame"
2985 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
2986 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2987 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2988 libopencore_amrnb_encoder_select="audio_frame_queue"
2989 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2990 libopenh264_decoder_deps="libopenh264"
2991 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2992 libopenh264_encoder_deps="libopenh264"
2993 libopenjpeg_decoder_deps="libopenjpeg"
2994 libopenjpeg_encoder_deps="libopenjpeg"
2995 libopenmpt_demuxer_deps="libopenmpt"
2996 libopus_decoder_deps="libopus"
2997 libopus_encoder_deps="libopus"
2998 libopus_encoder_select="audio_frame_queue"
2999 librsvg_decoder_deps="librsvg"
3000 libshine_encoder_deps="libshine"
3001 libshine_encoder_select="audio_frame_queue"
3002 libspeex_decoder_deps="libspeex"
3003 libspeex_encoder_deps="libspeex"
3004 libspeex_encoder_select="audio_frame_queue"
3005 libtheora_encoder_deps="libtheora"
3006 libtwolame_encoder_deps="libtwolame"
3007 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
3008 libvorbis_decoder_deps="libvorbis"
3009 libvorbis_encoder_deps="libvorbis libvorbisenc"
3010 libvorbis_encoder_select="audio_frame_queue"
3011 libvpx_vp8_decoder_deps="libvpx"
3012 libvpx_vp8_encoder_deps="libvpx"
3013 libvpx_vp9_decoder_deps="libvpx"
3014 libvpx_vp9_encoder_deps="libvpx"
3015 libwavpack_encoder_deps="libwavpack"
3016 libwavpack_encoder_select="audio_frame_queue"
3017 libwebp_encoder_deps="libwebp"
3018 libwebp_anim_encoder_deps="libwebp"
3019 libx262_encoder_deps="libx262"
3020 libx264_encoder_deps="libx264"
3021 libx264rgb_encoder_deps="libx264 x264_csp_bgr"
3022 libx264rgb_encoder_select="libx264_encoder"
3023 libx265_encoder_deps="libx265"
3024 libxavs_encoder_deps="libxavs"
3025 libxvid_encoder_deps="libxvid"
3026 libzvbi_teletext_decoder_deps="libzvbi"
3027 videotoolbox_suggest="coreservices"
3028 videotoolbox_deps="corefoundation coremedia corevideo"
3029 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
3032 ac3_demuxer_select="ac3_parser"
3033 aiff_muxer_select="iso_media"
3034 asf_demuxer_select="riffdec"
3035 asf_o_demuxer_select="riffdec"
3036 asf_muxer_select="riffenc"
3037 asf_stream_muxer_select="asf_muxer"
3038 avi_demuxer_select="iso_media riffdec exif"
3039 avi_muxer_select="riffenc"
3040 caf_demuxer_select="iso_media riffdec"
3041 caf_muxer_select="iso_media"
3042 dash_muxer_select="mp4_muxer"
3043 dash_demuxer_deps="libxml2"
3044 dirac_demuxer_select="dirac_parser"
3045 dts_demuxer_select="dca_parser"
3046 dtshd_demuxer_select="dca_parser"
3047 dv_demuxer_select="dvprofile"
3048 dv_muxer_select="dvprofile"
3049 dxa_demuxer_select="riffdec"
3050 eac3_demuxer_select="ac3_parser"
3051 f4v_muxer_select="mov_muxer"
3052 fifo_muxer_deps="threads"
3053 flac_demuxer_select="flac_parser"
3054 hds_muxer_select="flv_muxer"
3055 hls_muxer_select="mpegts_muxer"
3056 hls_muxer_suggest="gcrypt openssl"
3057 image2_alias_pix_demuxer_select="image2_demuxer"
3058 image2_brender_pix_demuxer_select="image2_demuxer"
3059 ipod_muxer_select="mov_muxer"
3060 ismv_muxer_select="mov_muxer"
3061 matroska_audio_muxer_select="matroska_muxer"
3062 matroska_demuxer_select="iso_media riffdec"
3063 matroska_demuxer_suggest="bzlib lzo zlib"
3064 matroska_muxer_select="iso_media riffenc"
3065 mmf_muxer_select="riffenc"
3066 mov_demuxer_select="iso_media riffdec"
3067 mov_demuxer_suggest="zlib"
3068 mov_muxer_select="iso_media riffenc rtpenc_chain"
3069 mp3_demuxer_select="mpegaudio_parser"
3070 mp3_muxer_select="mpegaudioheader"
3071 mp4_muxer_select="mov_muxer"
3072 mpegts_demuxer_select="iso_media"
3073 mpegts_muxer_select="adts_muxer latm_muxer"
3074 mpegtsraw_demuxer_select="mpegts_demuxer"
3075 mxf_d10_muxer_select="mxf_muxer"
3076 mxf_opatom_muxer_select="mxf_muxer"
3077 nut_muxer_select="riffenc"
3078 nuv_demuxer_select="riffdec"
3079 oga_muxer_select="ogg_muxer"
3080 ogg_demuxer_select="dirac_parse"
3081 ogv_muxer_select="ogg_muxer"
3082 opus_muxer_select="ogg_muxer"
3083 psp_muxer_select="mov_muxer"
3084 rtp_demuxer_select="sdp_demuxer"
3085 rtp_muxer_select="golomb"
3086 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
3087 rtsp_demuxer_select="http_protocol rtpdec"
3088 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
3089 sap_demuxer_select="sdp_demuxer"
3090 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
3091 sdp_demuxer_select="rtpdec"
3092 smoothstreaming_muxer_select="ismv_muxer"
3093 spdif_demuxer_select="adts_header"
3094 spdif_muxer_select="adts_header"
3095 spx_muxer_select="ogg_muxer"
3096 swf_demuxer_suggest="zlib"
3097 tak_demuxer_select="tak_parser"
3098 tg2_muxer_select="mov_muxer"
3099 tgp_muxer_select="mov_muxer"
3100 vobsub_demuxer_select="mpegps_demuxer"
3101 w64_demuxer_select="wav_demuxer"
3102 w64_muxer_select="wav_muxer"
3103 wav_demuxer_select="riffdec"
3104 wav_muxer_select="riffenc"
3105 webm_muxer_select="iso_media riffenc"
3106 webm_dash_manifest_demuxer_select="matroska_demuxer"
3107 wtv_demuxer_select="mpegts_demuxer riffdec"
3108 wtv_muxer_select="mpegts_muxer riffenc"
3109 xmv_demuxer_select="riffdec"
3110 xwma_demuxer_select="riffdec"
3113 android_camera_indev_deps="android camera2ndk mediandk pthreads"
3114 android_camera_indev_extralibs="-landroid -lcamera2ndk -lmediandk"
3115 alsa_indev_deps="alsa"
3116 alsa_outdev_deps="alsa"
3117 avfoundation_indev_deps="avfoundation corevideo coremedia pthreads"
3118 avfoundation_indev_suggest="coregraphics applicationservices"
3119 avfoundation_indev_extralibs="-framework Foundation"
3120 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
3121 caca_outdev_deps="libcaca"
3122 decklink_deps_any="libdl LoadLibrary"
3123 decklink_indev_deps="decklink threads"
3124 decklink_indev_extralibs="-lstdc++"
3125 decklink_outdev_deps="decklink threads"
3126 decklink_outdev_extralibs="-lstdc++"
3127 libndi_newtek_indev_deps="libndi_newtek"
3128 libndi_newtek_indev_extralibs="-lndi"
3129 libndi_newtek_outdev_deps="libndi_newtek"
3130 libndi_newtek_outdev_extralibs="-lndi"
3131 dshow_indev_deps="IBaseFilter"
3132 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
3133 fbdev_indev_deps="linux_fb_h"
3134 fbdev_outdev_deps="linux_fb_h"
3135 gdigrab_indev_deps="CreateDIBSection"
3136 gdigrab_indev_extralibs="-lgdi32"
3137 gdigrab_indev_select="bmp_decoder"
3138 iec61883_indev_deps="libiec61883"
3139 jack_indev_deps="libjack"
3140 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
3141 kmsgrab_indev_deps="libdrm"
3142 lavfi_indev_deps="avfilter"
3143 libcdio_indev_deps="libcdio"
3144 libdc1394_indev_deps="libdc1394"
3145 openal_indev_deps="openal"
3146 opengl_outdev_deps="opengl"
3147 oss_indev_deps_any="sys_soundcard_h"
3148 oss_outdev_deps_any="sys_soundcard_h"
3149 pulse_indev_deps="libpulse"
3150 pulse_outdev_deps="libpulse"
3151 sdl2_outdev_deps="sdl2"
3152 sndio_indev_deps="sndio"
3153 sndio_outdev_deps="sndio"
3154 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
3155 v4l2_indev_suggest="libv4l2"
3156 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
3157 v4l2_outdev_suggest="libv4l2"
3158 vfwcap_indev_deps="vfw32 vfwcap_defines"
3159 xcbgrab_indev_deps="libxcb"
3160 xcbgrab_indev_suggest="libxcb_shm libxcb_shape libxcb_xfixes"
3161 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
3162 xv_outdev_extralibs="-lXv -lX11 -lXext"
3165 async_protocol_deps="threads"
3166 bluray_protocol_deps="libbluray"
3167 ffrtmpcrypt_protocol_conflict="librtmp_protocol"
3168 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
3169 ffrtmpcrypt_protocol_select="tcp_protocol"
3170 ffrtmphttp_protocol_conflict="librtmp_protocol"
3171 ffrtmphttp_protocol_select="http_protocol"
3172 ftp_protocol_select="tcp_protocol"
3173 gopher_protocol_select="network"
3174 http_protocol_select="tcp_protocol"
3175 http_protocol_suggest="zlib"
3176 httpproxy_protocol_select="tcp_protocol"
3177 httpproxy_protocol_suggest="zlib"
3178 https_protocol_select="tls_protocol"
3179 https_protocol_suggest="zlib"
3180 icecast_protocol_select="http_protocol"
3181 librtmp_protocol_deps="librtmp"
3182 librtmpe_protocol_deps="librtmp"
3183 librtmps_protocol_deps="librtmp"
3184 librtmpt_protocol_deps="librtmp"
3185 librtmpte_protocol_deps="librtmp"
3186 libsmbclient_protocol_deps="libsmbclient gplv3"
3187 libssh_protocol_deps="libssh"
3188 libtls_conflict="openssl gnutls"
3189 mmsh_protocol_select="http_protocol"
3190 mmst_protocol_select="network"
3191 rtmp_protocol_conflict="librtmp_protocol"
3192 rtmp_protocol_select="tcp_protocol"
3193 rtmp_protocol_suggest="zlib"
3194 rtmpe_protocol_select="ffrtmpcrypt_protocol"
3195 rtmpe_protocol_suggest="zlib"
3196 rtmps_protocol_conflict="librtmp_protocol"
3197 rtmps_protocol_select="tls_protocol"
3198 rtmps_protocol_suggest="zlib"
3199 rtmpt_protocol_select="ffrtmphttp_protocol"
3200 rtmpt_protocol_suggest="zlib"
3201 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
3202 rtmpte_protocol_suggest="zlib"
3203 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
3204 rtmpts_protocol_suggest="zlib"
3205 rtp_protocol_select="udp_protocol"
3206 schannel_conflict="openssl gnutls libtls"
3207 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
3208 sctp_protocol_select="network"
3209 securetransport_conflict="openssl gnutls libtls"
3210 srtp_protocol_select="rtp_protocol srtp"
3211 tcp_protocol_select="network"
3212 tls_protocol_deps_any="gnutls openssl schannel securetransport libtls"
3213 tls_protocol_select="tcp_protocol"
3214 udp_protocol_select="network"
3215 udplite_protocol_select="network"
3216 unix_protocol_deps="sys_un_h"
3217 unix_protocol_select="network"
3220 afftfilt_filter_deps="avcodec"
3221 afftfilt_filter_select="fft"
3222 afir_filter_deps="avcodec"
3223 afir_filter_select="fft"
3224 amovie_filter_deps="avcodec avformat"
3225 aresample_filter_deps="swresample"
3226 ass_filter_deps="libass"
3227 atempo_filter_deps="avcodec"
3228 atempo_filter_select="rdft"
3229 azmq_filter_deps="libzmq"
3230 blackframe_filter_deps="gpl"
3231 boxblur_filter_deps="gpl"
3232 bs2b_filter_deps="libbs2b"
3233 colormatrix_filter_deps="gpl"
3234 convolve_filter_deps="avcodec"
3235 convolve_filter_select="fft"
3236 coreimage_filter_deps="coreimage appkit"
3237 coreimage_filter_extralibs="-framework OpenGL"
3238 coreimagesrc_filter_deps="coreimage appkit"
3239 coreimagesrc_filter_extralibs="-framework OpenGL"
3240 cover_rect_filter_deps="avcodec avformat gpl"
3241 cropdetect_filter_deps="gpl"
3242 deconvolve_filter_deps="avcodec"
3243 deconvolve_filter_select="fft"
3244 deinterlace_qsv_filter_deps="libmfx"
3245 deinterlace_vaapi_filter_deps="vaapi"
3246 delogo_filter_deps="gpl"
3247 denoise_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3248 deshake_filter_select="pixelutils"
3249 drawtext_filter_deps="libfreetype"
3250 drawtext_filter_suggest="libfontconfig libfribidi"
3251 elbg_filter_deps="avcodec"
3252 eq_filter_deps="gpl"
3253 fftfilt_filter_deps="avcodec"
3254 fftfilt_filter_select="rdft"
3255 find_rect_filter_deps="avcodec avformat gpl"
3256 firequalizer_filter_deps="avcodec"
3257 firequalizer_filter_select="rdft"
3258 flite_filter_deps="libflite"
3259 framerate_filter_select="pixelutils"
3260 frei0r_filter_deps="frei0r libdl"
3261 frei0r_src_filter_deps="frei0r libdl"
3262 fspp_filter_deps="gpl"
3263 geq_filter_deps="gpl"
3264 histeq_filter_deps="gpl"
3265 hqdn3d_filter_deps="gpl"
3266 interlace_filter_deps="gpl"
3267 kerndeint_filter_deps="gpl"
3268 ladspa_filter_deps="ladspa libdl"
3269 lv2_filter_deps="lv2"
3270 mcdeint_filter_deps="avcodec gpl"
3271 movie_filter_deps="avcodec avformat"
3272 mpdecimate_filter_deps="gpl"
3273 mpdecimate_filter_select="pixelutils"
3274 mptestsrc_filter_deps="gpl"
3275 negate_filter_deps="lut_filter"
3276 nnedi_filter_deps="gpl"
3277 ocr_filter_deps="libtesseract"
3278 ocv_filter_deps="libopencv"
3279 openclsrc_filter_deps="opencl"
3280 overlay_opencl_filter_deps="opencl"
3281 overlay_qsv_filter_deps="libmfx"
3282 overlay_qsv_filter_select="qsvvpp"
3283 owdenoise_filter_deps="gpl"
3284 pan_filter_deps="swresample"
3285 perspective_filter_deps="gpl"
3286 phase_filter_deps="gpl"
3287 pp7_filter_deps="gpl"
3288 pp_filter_deps="gpl postproc"
3289 procamp_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3290 program_opencl_filter_deps="opencl"
3291 pullup_filter_deps="gpl"
3292 removelogo_filter_deps="avcodec avformat swscale"
3293 repeatfields_filter_deps="gpl"
3294 resample_filter_deps="avresample"
3295 rubberband_filter_deps="librubberband"
3296 sab_filter_deps="gpl swscale"
3297 scale2ref_filter_deps="swscale"
3298 scale_filter_deps="swscale"
3299 scale_qsv_filter_deps="libmfx"
3300 select_filter_select="pixelutils"
3301 sharpness_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3302 showcqt_filter_deps="avcodec avformat swscale"
3303 showcqt_filter_suggest="libfontconfig libfreetype"
3304 showcqt_filter_select="fft"
3305 showfreqs_filter_deps="avcodec"
3306 showfreqs_filter_select="fft"
3307 showspectrum_filter_deps="avcodec"
3308 showspectrum_filter_select="fft"
3309 showspectrumpic_filter_deps="avcodec"
3310 showspectrumpic_filter_select="fft"
3311 signature_filter_deps="gpl avcodec avformat"
3312 smartblur_filter_deps="gpl swscale"
3313 sofalizer_filter_deps="libmysofa avcodec"
3314 sofalizer_filter_select="fft"
3315 spectrumsynth_filter_deps="avcodec"
3316 spectrumsynth_filter_select="fft"
3317 spp_filter_deps="gpl avcodec"
3318 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
3319 stereo3d_filter_deps="gpl"
3320 subtitles_filter_deps="avformat avcodec libass"
3321 super2xsai_filter_deps="gpl"
3322 pixfmts_super2xsai_test_deps="super2xsai_filter"
3323 tinterlace_filter_deps="gpl"
3324 tinterlace_merge_test_deps="tinterlace_filter"
3325 tinterlace_pad_test_deps="tinterlace_filter"
3326 tonemap_filter_deps="const_nan"
3327 unsharp_opencl_filter_deps="opencl"
3328 uspp_filter_deps="gpl avcodec"
3329 vaguedenoiser_filter_deps="gpl"
3330 vidstabdetect_filter_deps="libvidstab"
3331 vidstabtransform_filter_deps="libvidstab"
3332 libvmaf_filter_deps="libvmaf pthreads"
3333 zmq_filter_deps="libzmq"
3334 zoompan_filter_deps="swscale"
3335 zscale_filter_deps="libzimg const_nan"
3336 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3337 vpp_qsv_filter_deps="libmfx"
3338 vpp_qsv_filter_select="qsvvpp"
3341 avio_dir_cmd_deps="avformat avutil"
3342 avio_reading_deps="avformat avcodec avutil"
3343 decode_audio_example_deps="avcodec avutil"
3344 decode_video_example_deps="avcodec avutil"
3345 demuxing_decoding_example_deps="avcodec avformat avutil"
3346 encode_audio_example_deps="avcodec avutil"
3347 encode_video_example_deps="avcodec avutil"
3348 extract_mvs_example_deps="avcodec avformat avutil"
3349 filter_audio_example_deps="avfilter avutil"
3350 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3351 filtering_video_example_deps="avfilter avcodec avformat avutil"
3352 http_multiclient_example_deps="avformat avutil fork"
3353 hw_decode_example_deps="avcodec avformat avutil"
3354 metadata_example_deps="avformat avutil"
3355 muxing_example_deps="avcodec avformat avutil swscale"
3356 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
3357 remuxing_example_deps="avcodec avformat avutil"
3358 resampling_audio_example_deps="avutil swresample"
3359 scaling_video_example_deps="avutil swscale"
3360 transcode_aac_example_deps="avcodec avformat swresample"
3361 transcoding_example_deps="avfilter avcodec avformat avutil"
3362 vaapi_encode_example_deps="avcodec avutil h264_vaapi_encoder"
3363 vaapi_transcode_example_deps="avcodec avformat avutil h264_vaapi_encoder"
3366 cpu_init_extralibs="pthreads_extralibs"
3367 cws2fws_extralibs="zlib_extralibs"
3369 # libraries, in linking order
3370 avcodec_deps="avutil"
3371 avcodec_suggest="libm"
3372 avcodec_select="null_bsf"
3373 avdevice_deps="avformat avcodec avutil"
3374 avdevice_suggest="libm"
3375 avfilter_deps="avutil"
3376 avfilter_suggest="libm"
3377 avformat_deps="avcodec avutil"
3378 avformat_suggest="libm network zlib"
3379 avresample_deps="avutil"
3380 avresample_suggest="libm"
3381 avutil_suggest="clock_gettime ffnvcodec libm libdrm libmfx opencl user32 vaapi videotoolbox corefoundation corevideo coremedia wincrypt"
3382 postproc_deps="avutil gpl"
3383 postproc_suggest="libm"
3384 swresample_deps="avutil"
3385 swresample_suggest="libm libsoxr"
3386 swscale_deps="avutil"
3387 swscale_suggest="libm"
3389 avcodec_extralibs="pthreads_extralibs iconv_extralibs"
3390 avfilter_extralibs="pthreads_extralibs"
3391 avutil_extralibs="d3d11va_extralibs nanosleep_extralibs pthreads_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs"
3394 ffmpeg_deps="avcodec avfilter avformat swresample"
3395 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3398 ffmpeg_suggest="ole32 psapi shell32"
3399 ffplay_deps="avcodec avformat swscale swresample sdl2"
3400 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3401 ffplay_suggest="shell32"
3402 ffprobe_deps="avcodec avformat"
3403 ffprobe_suggest="shell32"
3406 podpages_deps="perl"
3407 manpages_deps="perl pod2man"
3408 htmlpages_deps="perl"
3409 htmlpages_deps_any="makeinfo_html texi2html"
3410 txtpages_deps="perl makeinfo"
3411 doc_deps_any="manpages htmlpages podpages txtpages"
3413 # default parameters
3415 logfile="ffbuild/config.log"
3417 # installation paths
3418 prefix_default="/usr/local"
3419 bindir_default='${prefix}/bin'
3420 datadir_default='${prefix}/share/ffmpeg'
3421 docdir_default='${prefix}/share/doc/ffmpeg'
3422 incdir_default='${prefix}/include'
3423 libdir_default='${prefix}/lib'
3424 mandir_default='${prefix}/share/man'
3430 host_cc_default="gcc"
3431 doxygen_default="doxygen"
3433 ln_s_default="ln -s -f"
3435 pkg_config_default=pkg-config
3436 ranlib_default="ranlib"
3437 strip_default="strip"
3438 version_script='--version-script'
3440 x86asmexe_default="nasm"
3441 windres_default="windres"
3443 nvccflags_default="-gencode arch=compute_30,code=sm_30 -O2"
3447 target_os_default=$(tolower $(uname -s))
3448 host_os=$target_os_default
3451 if test "$target_os_default" = aix; then
3452 arch_default=$(uname -p)
3453 strip_default="strip -X32_64"
3455 arch_default=$(uname -m)
3460 # configurable options
3461 enable $PROGRAM_LIST
3462 enable $DOCUMENT_LIST
3463 enable $EXAMPLE_LIST
3464 enable $(filter_out avresample $LIBRARY_LIST)
3470 enable faan faandct faanidct
3471 enable optimizations
3472 enable runtime_cpudetect
3473 enable safe_bitstream_reader
3475 enable swscale_alpha
3476 enable valgrind_backtrace
3478 sws_max_filter_size_default=256
3479 set_default sws_max_filter_size
3481 # internal components are enabled by default
3482 enable $EXTRALIBS_LIST
3484 # Avoid external, non-system, libraries getting enabled by dependency resolution
3485 disable $EXTERNAL_LIBRARY_LIST $HWACCEL_LIBRARY_LIST
3488 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3491 FULLNAME='$(NAME)$(BUILDSUF)'
3492 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3495 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3496 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3497 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3498 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3499 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3500 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3501 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
3528 host_extralibs='-lm'
3529 host_cflags_filter=echo
3530 host_ldflags_filter=echo
3532 target_path='$(CURDIR)'
3534 # since the object filename is not given with the -MM flag, the compiler
3535 # is only able to print the basename, and we must add the path ourselves
3536 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3542 if test -f configure; then
3545 source_path=$(cd $(dirname "$0"); pwd)
3546 case "$source_path" in
3547 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3549 test -e "$source_path/config.h" &&
3550 die "Out of tree builds are impossible with config.h in source dir."
3557 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3563 file=$source_path/$3
3564 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3567 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3569 find_things_extern(){
3572 file=$source_path/$3
3574 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$out/p" "$file"
3577 OUTDEV_LIST=$(find_things_extern muxer AVOutputFormat libavdevice/alldevices.c outdev)
3578 INDEV_LIST=$(find_things_extern demuxer AVInputFormat libavdevice/alldevices.c indev)
3579 MUXER_LIST=$(find_things_extern muxer AVOutputFormat libavformat/allformats.c)
3580 DEMUXER_LIST=$(find_things_extern demuxer AVInputFormat libavformat/allformats.c)
3581 ENCODER_LIST=$(find_things_extern encoder AVCodec libavcodec/allcodecs.c)
3582 DECODER_LIST=$(find_things_extern decoder AVCodec libavcodec/allcodecs.c)
3587 PARSER_LIST=$(find_things_extern parser AVCodecParser libavcodec/parser.c)
3588 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3589 HWACCEL_LIST=$(find_things_extern hwaccel AVHWAccel libavcodec/hwaccels.h)
3590 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3592 AVCODEC_COMPONENTS_LIST="
3600 AVDEVICE_COMPONENTS_LIST="
3605 AVFILTER_COMPONENTS_LIST="
3609 AVFORMAT_COMPONENTS_LIST="
3616 $AVCODEC_COMPONENTS_LIST
3617 $AVDEVICE_COMPONENTS_LIST
3618 $AVFILTER_COMPONENTS_LIST
3619 $AVFORMAT_COMPONENTS_LIST
3622 for n in $COMPONENT_LIST; do
3623 v=$(toupper ${n%s})_LIST
3625 eval ${n}_if_any="\$$v"
3628 enable $ARCH_EXT_LIST
3631 echo "Unknown option \"$1\"."
3632 echo "See $0 --help for available options."
3636 print_in_columns() {
3637 cols=$(expr $ncols / 24)
3638 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3644 echo $* | sed s/$suffix//g | print_in_columns
3656 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3657 echo "prob ${prob:-0.5}"
3665 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3666 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3675 --extra-ldexeflags=*)
3676 add_ldexeflags $optval
3678 --extra-ldsoflags=*)
3679 add_ldsoflags $optval
3681 --extra-ldlibflags=*)
3682 warn "The --extra-ldlibflags option is only provided for compatibility and will be\n"\
3683 "removed in the future. Use --extra-ldsoflags instead."
3684 add_ldsoflags $optval
3687 add_extralibs $optval
3690 disable $INDEV_LIST $OUTDEV_LIST
3693 debuglevel="$optval"
3696 disable $PROGRAM_LIST
3698 --disable-everything)
3699 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3702 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3703 disable $LIBRARY_LIST $PROGRAM_LIST doc
3706 --enable-random|--disable-random)
3707 action=${opt%%-random}
3708 do_random ${action#--} $COMPONENT_LIST
3710 --enable-random=*|--disable-random=*)
3711 action=${opt%%-random=*}
3712 do_random ${action#--} $optval
3717 --enable-*=*|--disable-*=*)
3718 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3719 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3720 eval list=\$$(toupper $thing)_LIST
3721 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3722 list=$(filter "$name" $list)
3723 [ "$list" = "" ] && warn "Option $opt did not match anything"
3726 --enable-yasm|--disable-yasm)
3727 warn "The ${opt} option is only provided for compatibility and will be\n"\
3728 "removed in the future. Use --enable-x86asm / --disable-x86asm instead."
3729 test $opt = --enable-yasm && x86asm=yes || x86asm=no
3732 warn "The --yasmexe option is only provided for compatibility and will be\n"\
3733 "removed in the future. Use --x86asmexe instead."
3736 --enable-?*|--disable-?*)
3737 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3738 if is_in $option $COMPONENT_LIST; then
3739 test $action = disable && action=unset
3740 eval $action \$$(toupper ${option%s})_LIST
3741 elif is_in $option $CMDLINE_SELECT; then
3748 NAME="${opt#--list-}"
3749 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3751 eval show_list $NAME \$$(toupper $NAME)_LIST
3753 --help|-h) show_help
3755 --quiet|-q) quiet=yes
3757 --fatal-warnings) enable fatal_warnings
3760 libfuzzer_path="$optval"
3763 optname="${opt%%=*}"
3764 optname="${optname#--}"
3765 optname=$(echo "$optname" | sed 's/-/_/g')
3766 if is_in $optname $CMDLINE_SET; then
3767 eval $optname='$optval'
3768 elif is_in $optname $CMDLINE_APPEND; then
3769 append $optname "$optval"
3781 if disabled autodetect; then
3783 # Unless iconv is explicitely disabled by the user, we still want to probe
3784 # for the iconv from the libc.
3785 disabled iconv || enable libc_iconv
3787 disable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3788 disable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3790 # Mark specifically enabled, but normally autodetected libraries as requested.
3791 for lib in $AUTODETECT_LIBS; do
3792 enabled $lib && request $lib
3794 #TODO: switch to $AUTODETECT_LIBS when $THREADS_LIST is supported the same way
3795 enable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3796 enable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3798 disabled logging && logfile=/dev/null
3800 # command line configuration sanity checks
3802 # we need to build at least one lib type
3803 if ! enabled_any static shared; then
3805 At least one library type must be built.
3806 Specify --enable-static to build the static libraries or --enable-shared to
3807 build the shared libraries as well. To only build the shared libraries specify
3808 --disable-static in addition to --enable-shared.
3813 die_license_disabled() {
3814 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
3817 die_license_disabled_gpl() {
3818 enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }
3821 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3822 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3824 enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST
3825 map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST
3827 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3829 if enabled nonfree; then
3830 license="nonfree and unredistributable"
3831 elif enabled gplv3; then
3832 license="GPL version 3 or later"
3833 elif enabled lgplv3; then
3834 license="LGPL version 3 or later"
3835 elif enabled gpl; then
3836 license="GPL version 2 or later"
3838 license="LGPL version 2.1 or later"
3841 enabled_all gnutls openssl &&
3842 die "GnuTLS and OpenSSL must not be enabled at the same time."
3844 # Disable all the library-specific components if the library itself
3845 # is disabled, see AVCODEC_LIST and following _LIST variables.
3847 disable_components(){
3848 disabled ${1} && disable $(
3849 eval components="\$$(toupper ${1})_COMPONENTS"
3850 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3854 map 'disable_components $v' $LIBRARY_LIST
3856 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3859 test -n "$valgrind" && toolchain="valgrind-memcheck"
3861 enabled ossfuzz && {
3862 add_cflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer
3863 add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp
3866 case "$toolchain" in
3868 cc_default="${toolchain%-asan}"
3869 add_cflags -fsanitize=address
3870 add_ldflags -fsanitize=address
3873 cc_default="${toolchain%-msan}"
3874 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
3875 add_ldflags -fsanitize=memory
3878 cc_default="${toolchain%-tsan}"
3879 add_cflags -fsanitize=thread -fPIE
3880 add_ldflags -fsanitize=thread -pie
3881 case "$toolchain" in
3889 cc_default="${toolchain%-usan}"
3890 add_cflags -fsanitize=undefined
3891 add_ldflags -fsanitize=undefined
3894 target_exec_default="valgrind"
3895 case "$toolchain" in
3897 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
3900 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3905 # Check whether the current MSVC version needs the C99 converter.
3906 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3907 # support enough of C99 to build ffmpeg. Default to the new
3908 # behaviour if the regexp was unable to match anything, since this
3909 # successfully parses the version number of existing supported
3910 # versions that require the converter (MSVC 2010 and 2012).
3911 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3912 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3916 cc_default="c99wrap cl"
3917 cxx_default="c99wrap cl"
3919 ld_default="$source_path/compat/windows/mslink"
3920 nm_default="dumpbin -symbols"
3924 as_default="armasm64"
3930 target_os_default="win32"
3931 # Use a relative path for TMPDIR. This makes sure all the
3932 # ffconf temp files are written with a relative path, avoiding
3933 # issues with msys/win32 path conversion for MSVC parameters
3934 # such as -Fo<file> or -out:<file>.
3940 nm_default="dumpbin -symbols"
3942 target_os_default="win32"
3946 add_cflags -fprofile-arcs -ftest-coverage
3947 add_ldflags -fprofile-arcs -ftest-coverage
3950 add_cflags -fprofile-arcs -ftest-coverage
3951 add_ldflags --coverage
3954 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3955 add_cflags -fno-strict-overflow -fstack-protector-all
3956 add_ldflags -Wl,-z,relro -Wl,-z,now
3958 add_ldexeflags -fPIE -pie
3961 die "Unknown toolchain $toolchain"
3965 if test -n "$cross_prefix"; then
3966 test -n "$arch" && test -n "$target_os" ||
3967 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
3968 enable cross_compile
3971 ar_default="${cross_prefix}${ar_default}"
3972 cc_default="${cross_prefix}${cc_default}"
3973 cxx_default="${cross_prefix}${cxx_default}"
3974 nm_default="${cross_prefix}${nm_default}"
3975 pkg_config_default="${cross_prefix}${pkg_config_default}"
3976 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3977 ranlib_default="${cross_prefix}${ranlib_default} -D"
3979 ranlib_default="${cross_prefix}${ranlib_default}"
3981 strip_default="${cross_prefix}${strip_default}"
3982 windres_default="${cross_prefix}${windres_default}"
3984 sysinclude_default="${sysroot}/usr/include"
3986 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3987 target_exec target_os x86asmexe nvcc
3988 enabled cross_compile || host_cc_default=$cc
3991 pkg_config_fail_message=""
3992 if ! $pkg_config --version >/dev/null 2>&1; then
3993 warn "$pkg_config not found, library detection may fail."
3995 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3996 pkg_config_fail_message="
3997 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
4000 if test $doxygen != $doxygen_default && \
4001 ! $doxygen --version >/dev/null 2>&1; then
4002 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
4007 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
4011 EXESUF=$(exesuf $target_os)
4012 HOSTEXESUF=$(exesuf $host_os)
4014 # set temporary file name
4015 : ${TMPDIR:=$TEMPDIR}
4019 if [ -n "$tempprefix" ] ; then
4021 tmpname="$tempprefix.${HOSTNAME}.${UID}"
4025 elif ! test_cmd mktemp -u XXXXXX; then
4026 # simple replacement for missing mktemp
4027 # NOT SAFE FOR GENERAL USE
4029 tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"
4035 FFTMPDIR=$(mktemp -d "${TMPDIR}/ffconf.XXXXXXXX" 2> /dev/null) ||
4036 die "Unable to create temporary directory in $TMPDIR."
4039 tmp="${FFTMPDIR}/test"$2
4040 (set -C; exec > $tmp) 2> /dev/null ||
4041 die "Unable to create temporary file in $FFTMPDIR."
4045 trap 'rm -rf -- "$FFTMPDIR"' EXIT
4051 tmpfile TMPE $EXESUF
4063 # make sure we can execute files in $TMPDIR
4064 cat > $TMPSH 2>> $logfile <<EOF
4067 chmod +x $TMPSH >> $logfile 2>&1
4068 if ! $TMPSH >> $logfile 2>&1; then
4070 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
4071 variable to another directory and make sure that it is not mounted noexec.
4073 die "Sanity test failed."
4079 # Filter out MSVC cl.exe options from cflags that shouldn't
4080 # be passed to gas-preprocessor
4090 -Wno-switch) echo -Wno-switch-enum ;;
4091 -Wno-format-zero-length) ;;
4092 -Wdisabled-optimization) ;;
4093 -Wno-pointer-sign) echo -Wno-other ;;
4099 msvc_common_flags(){
4102 # In addition to specifying certain flags under the compiler
4103 # specific filters, they must be specified here as well or else the
4104 # generic catch all at the bottom will print the original flag.
4109 -fomit-frame-pointer) ;;
4113 -fno-signed-zeros) ;;
4117 -lz) echo zlib.lib ;;
4118 -lx264) echo libx264.lib ;;
4120 -l*) echo ${flag#-l}.lib ;;
4121 -LARGEADDRESSAWARE) echo $flag ;;
4122 -L*) echo -libpath:${flag#-L} ;;
4129 msvc_common_flags "$@"
4132 -Wall) echo -W3 -wd4018 -wd4146 -wd4244 -wd4305 \
4134 -Wextra) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
4135 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4136 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
4138 -wd4273 -wd4554 -wd4701 -wd4703 ;;
4144 msvc_common_flags "$@"
4147 # Despite what Intel's documentation says -Wall, which is supported
4148 # on Windows, does enable remarks so disable them here.
4149 -Wall) echo $flag -Qdiag-disable:remark ;;
4150 -std=c99) echo -Qstd=c99 ;;
4169 case "${flag#*=}" in
4170 native) echo -xtarget=native ;;
4171 v9|niagara) echo -xarch=sparc ;;
4172 ultrasparc) echo -xarch=sparcvis ;;
4173 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
4174 i586|pentium) echo -xchip=pentium ;;
4175 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
4176 pentium3*|c3-2) echo -xtarget=pentium3 ;;
4177 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
4178 pentium4*) echo -xtarget=pentium4 ;;
4179 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
4180 *-sse3) echo -xarch=sse3 ;;
4181 core2) echo -xarch=ssse3 -xchip=core2 ;;
4182 bonnell) echo -xarch=ssse3 ;;
4183 corei7|nehalem) echo -xtarget=nehalem ;;
4184 westmere) echo -xtarget=westmere ;;
4185 silvermont) echo -xarch=sse4_2 ;;
4186 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
4187 core-avx*|ivybridge|haswell|broadwell|skylake*|knl)
4189 amdfam10|barcelona) echo -xtarget=barcelona ;;
4190 btver1) echo -xarch=amdsse4a ;;
4191 btver2|bdver*|znver*) echo -xarch=avx ;;
4192 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
4193 k8|opteron|athlon64|athlon-fx)
4194 echo -xarch=sse2a ;;
4195 athlon*) echo -xarch=pentium_proa ;;
4198 -std=c99) echo -xc99 ;;
4199 -fomit-frame-pointer) echo -xregs=frameptr ;;
4200 -fPIC) echo -KPIC -xcode=pic32 ;;
4201 -W*,*) echo $flag ;;
4202 -f*-*|-W*|-mimpure-text) ;;
4214 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
4215 unset _ld_o _ldflags _ld_lib _ld_path
4216 unset _depflags _DEPCMD _DEPFLAGS
4219 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
4220 true # no-op to avoid reading stdin in following checks
4221 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
4223 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
4224 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
4225 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4228 elif $_cc -v 2>&1 | grep -qi ^gcc; then
4230 gcc_version=$($_cc --version | head -n1)
4231 gcc_basever=$($_cc -dumpversion)
4232 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
4233 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
4234 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
4235 case $gcc_basever in
4238 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
4240 if [ "$first" = true ]; then
4241 case $gcc_basever in
4243 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
4248 elif $_cc --version 2>/dev/null | grep -q ^icc; then
4250 _ident=$($_cc --version | head -n1)
4255 _flags_filter=icc_flags
4256 elif $_cc -v 2>&1 | grep -q xlc; then
4258 _ident=$($_cc -qversion 2>/dev/null | head -n1)
4260 _cflags_size='-O5 -qcompact'
4261 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
4262 test -d "$sysroot" || die "No valid sysroot specified."
4264 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
4265 armcc_conf="$PWD/armcc.conf"
4266 $_cc --arm_linux_configure \
4267 --arm_linux_config_file="$armcc_conf" \
4268 --configure_sysroot="$sysroot" \
4269 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
4270 die "Error creating armcc configuration file."
4271 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
4272 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
4273 as_default="${cross_prefix}gcc"
4277 elif $_cc -v 2>&1 | grep -q clang; then
4279 _ident=$($_cc --version 2>/dev/null | head -n1)
4280 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4283 elif $_cc -V 2>&1 | grep -q Sun; then
4285 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
4286 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
4287 _DEPFLAGS='-xM1 -xc99'
4290 _cflags_size='-O5 -xspace'
4291 _flags_filter=suncc_flags
4292 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
4294 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4295 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4298 _flags_filter='filter_out -Wdisabled-optimization'
4299 elif $_cc -v 2>&1 | grep -q Open64; then
4301 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4302 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4305 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
4306 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
4308 _ident=$($_cc | head -n1)
4309 # 4509: "This form of conditional instruction is deprecated"
4310 _flags="-nologo -ignore 4509"
4311 _flags_filter=armasm_flags
4312 elif $_cc 2>&1 | grep -q Intel; then
4314 _ident=$($_cc 2>&1 | head -n1)
4315 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
4316 # Not only is O3 broken on 13.x+ but it is slower on all previous
4317 # versions (tested) as well.
4319 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
4320 if $_cc 2>&1 | grep -q Linker; then
4327 _flags_filter=icl_flags
4329 _ld_path='-libpath:'
4330 # -Qdiag-error to make icl error when seeing certain unknown arguments
4331 _flags='-nologo -Qdiag-error:4044,10157'
4332 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
4333 # with MSVC which enables it by default.
4334 _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise'
4336 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
4337 # lld can emulate multiple different linkers; in ms link.exe mode,
4338 # the -? parameter gives the help output which contains an identifyable
4339 # string, while it gives an error in other modes.
4341 # The link.exe mode doesn't have a switch for getting the version,
4342 # but we can force it back to gnu mode and get the version from there.
4343 _ident=$($_cc -flavor gnu --version 2>/dev/null)
4345 _flags_filter=msvc_flags
4347 _ld_path='-libpath:'
4348 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
4350 _ident=$($_cc 2>&1 | head -n1 | tr -d '\r')
4351 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
4352 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
4356 if $_cc -nologo- 2>&1 | grep -q Linker; then
4363 _flags_filter=msvc_flags
4365 _ld_path='-libpath:'
4368 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
4370 _ident=$($_cc --version | head -n1)
4374 _flags_filter=cparser_flags
4377 eval ${pfx}_type=\$_type
4378 eval ${pfx}_ident=\$_ident
4382 eval ${1}_C=\${_cc_c-\${${1}_C}}
4383 eval ${1}_E=\${_cc_e-\${${1}_E}}
4384 eval ${1}_O=\${_cc_o-\${${1}_O}}
4386 if [ -n "$_depflags" ]; then
4387 eval ${1}_DEPFLAGS=\$_depflags
4389 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
4390 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
4391 eval DEP${1}FLAGS=\$_flags
4395 probe_cc cc "$cc" "true"
4396 cflags_filter=$_flags_filter
4397 cflags_speed=$_cflags_speed
4398 cflags_size=$_cflags_size
4399 cflags_noopt=$_cflags_noopt
4400 add_cflags $_flags $_cflags
4401 cc_ldflags=$_ldflags
4405 probe_cc hostcc "$host_cc"
4406 host_cflags_filter=$_flags_filter
4407 host_cflags_speed=$_cflags_speed
4408 add_host_cflags $_flags $_cflags
4411 test -n "$cc_type" && enable $cc_type ||
4412 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
4414 : ${as_default:=$cc}
4415 : ${objcc_default:=$cc}
4416 : ${dep_cc_default:=$cc}
4417 : ${ld_default:=$cc}
4418 : ${host_ld_default:=$host_cc}
4419 set_default ar as objcc dep_cc ld ln_s host_ld windres
4422 asflags_filter=$_flags_filter
4423 add_asflags $_flags $_cflags
4426 probe_cc objcc "$objcc"
4427 objcflags_filter=$_flags_filter
4428 add_objcflags $_flags $_cflags
4432 ldflags_filter=$_flags_filter
4433 add_ldflags $_flags $_ldflags
4434 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
4436 LD_LIB=${_ld_lib-$LD_LIB}
4437 LD_PATH=${_ld_path-$LD_PATH}
4439 probe_cc hostld "$host_ld"
4440 host_ldflags_filter=$_flags_filter
4441 add_host_ldflags $_flags $_ldflags
4442 HOSTLD_O=${_ld_o-$HOSTLD_O}
4444 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
4445 probe_cc depcc "$dep_cc"
4446 CCDEP=${_DEPCMD:-$DEPCMD}
4447 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
4451 if $ar 2>&1 | grep -q Microsoft; then
4454 elif $ar 2>&1 | grep -q "\[D\] "; then
4462 add_cflags $extra_cflags
4463 add_cxxflags $extra_cxxflags
4464 add_objcflags $extra_objcflags
4465 add_asflags $extra_cflags
4467 if test -n "$sysroot"; then
4470 add_cppflags --sysroot="$sysroot"
4471 add_ldflags --sysroot="$sysroot"
4476 if test "$cpu" = host; then
4477 enabled cross_compile &&
4478 die "--cpu=host makes no sense when cross-compiling."
4483 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4485 s/.*$1=\\([^ ]*\\).*/\\1/
4490 cpu=$(check_native -march || check_native -mcpu)
4494 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4495 sed -n "/cc1.*-target-cpu /{
4496 s/.*-target-cpu \\([^ ]*\\).*/\\1/
4501 cpu=$(check_native -march)
4505 test "${cpu:-host}" = host &&
4506 die "--cpu=host not supported with compiler $cc"
4509 # Deal with common $arch aliases
4533 "Power Macintosh"|ppc*|powerpc*)
4548 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
4553 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
4556 # Add processor-specific flags
4557 if enabled aarch64; then
4561 cpuflags="-march=$cpu"
4564 cpuflags="-mcpu=$cpu"
4568 elif enabled alpha; then
4570 cpuflags="-mcpu=$cpu"
4572 elif enabled arm; then
4575 test_cpp_condition stddef.h \
4576 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4581 if check_arm_arch 4; then echo armv4
4582 elif check_arm_arch 4T; then echo armv4t
4583 elif check_arm_arch 5; then echo armv5
4584 elif check_arm_arch 5E; then echo armv5e
4585 elif check_arm_arch 5T; then echo armv5t
4586 elif check_arm_arch 5TE; then echo armv5te
4587 elif check_arm_arch 5TEJ; then echo armv5te
4588 elif check_arm_arch 6; then echo armv6
4589 elif check_arm_arch 6J; then echo armv6j
4590 elif check_arm_arch 6K; then echo armv6k
4591 elif check_arm_arch 6Z; then echo armv6z
4592 elif check_arm_arch 6KZ; then echo armv6zk
4593 elif check_arm_arch 6ZK; then echo armv6zk
4594 elif check_arm_arch 6T2; then echo armv6t2
4595 elif check_arm_arch 7; then echo armv7
4596 elif check_arm_arch 7A 7_A; then echo armv7-a
4597 elif check_arm_arch 7S; then echo armv7-a
4598 elif check_arm_arch 7R 7_R; then echo armv7-r
4599 elif check_arm_arch 7M 7_M; then echo armv7-m
4600 elif check_arm_arch 7EM 7E_M; then echo armv7-m
4601 elif check_arm_arch 8A 8_A; then echo armv8-a
4605 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4609 cpuflags="-march=$cpu"
4610 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4613 cpuflags="-mcpu=$cpu"
4615 cortex-a*) subarch=armv7a ;;
4616 cortex-r*) subarch=armv7r ;;
4617 cortex-m*) enable thumb; subarch=armv7m ;;
4618 arm11*) subarch=armv6 ;;
4619 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4620 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4621 *) subarch=$(probe_arm_arch) ;;
4627 armv5t*) enable fast_clz ;;
4630 disabled fast_unaligned || enable fast_unaligned
4634 elif enabled avr32; then
4639 cpuflags="-mpart=$cpu"
4643 cpuflags="-march=$cpu"
4647 cpuflags="-mcpu=$cpu"
4651 cpuflags="-march=$cpu"
4655 elif enabled bfin; then
4657 cpuflags="-mcpu=$cpu"
4659 elif enabled mips; then
4661 cpuflags="-march=$cpu"
4663 if [ "$cpu" != "generic" ]; then
4673 24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)
4684 enable local_aligned
4685 enable simd_align_16
4689 enable fast_unaligned
4690 disable aligned_stack
4696 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4699 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4702 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4707 # Unknown CPU. Disable everything.
4708 warn "unknown CPU. Disabling all MIPS optimizations."
4731 24kef*|34kf*|1004kf*)
4739 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"
4743 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4747 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4751 # We do not disable anything. Is up to the user to disable the unwanted features.
4752 warn 'generic cpu selected'
4755 elif enabled ppc; then
4759 case $(tolower $cpu) in
4760 601|ppc601|powerpc601)
4761 cpuflags="-mcpu=601"
4764 603*|ppc603*|powerpc603*)
4765 cpuflags="-mcpu=603"
4768 604*|ppc604*|powerpc604*)
4769 cpuflags="-mcpu=604"
4772 g3|75*|ppc75*|powerpc75*)
4773 cpuflags="-mcpu=750"
4776 g4|745*|ppc745*|powerpc745*)
4777 cpuflags="-mcpu=7450"
4780 74*|ppc74*|powerpc74*)
4781 cpuflags="-mcpu=7400"
4784 g5|970|ppc970|powerpc970)
4785 cpuflags="-mcpu=970"
4789 cpuflags="-mcpu=$cpu"
4793 cpuflags="-mcpu=$cpu"
4796 cpuflags="-mcpu=cell"
4801 cpuflags="-mcpu=e500mc"
4805 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4810 cpuflags="-mcpu=8540 -mhard-float"
4816 elif enabled sparc; then
4819 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4820 cpuflags="-mcpu=$cpu"
4822 ultrasparc*|niagara[234])
4823 cpuflags="-mcpu=$cpu"
4827 elif enabled x86; then
4831 cpuflags="-march=$cpu"
4835 # targets that do NOT support nopl and conditional mov (cmov)
4836 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4837 cpuflags="-march=$cpu"
4840 # targets that do support nopl and conditional mov (cmov)
4841 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4842 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\
4843 |amdfam10|barcelona|b[dt]ver*|znver*)
4844 cpuflags="-march=$cpu"
4848 # targets that do support conditional mov but on which it's slow
4849 pentium4|pentium4m|prescott|nocona)
4850 cpuflags="-march=$cpu"
4858 if [ "$cpu" != generic ]; then
4859 add_cflags $cpuflags
4860 add_asflags $cpuflags
4861 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4864 # compiler sanity check
4866 int main(void){ return 0; }
4868 if test "$?" != 0; then
4869 echo "$cc is unable to create an executable file."
4870 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4871 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4872 echo "Only do this if you know what cross compiling means."
4874 die "C compiler test failed."
4877 add_cppflags -D_ISOC99_SOURCE
4878 add_cxxflags -D__STDC_CONSTANT_MACROS
4879 check_cxxflags -std=c++11 || check_cxxflags -std=c++0x
4881 # some compilers silently accept -std=c11, so we also need to check that the
4882 # version macro is defined properly
4883 test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L" &&
4884 add_cflags -std=c11 ||
4885 check_cflags -std=c99
4887 check_cppflags -D_FILE_OFFSET_BITS=64
4888 check_cppflags -D_LARGEFILE_SOURCE
4890 add_host_cppflags -D_ISOC99_SOURCE
4891 check_host_cflags -std=c99
4892 check_host_cflags -Wall
4893 check_host_cflags $host_cflags_speed
4898 expr=${3:-'sizeof(void *) > 4'}
4899 test_code cc "" "int test[2*($expr) - 1]" &&
4900 subarch=$arch64 || subarch=$arch32
4906 enabled shared && enable_weak pic
4909 check_64bit mips mips64 '_MIPS_SIM > 1'
4910 enabled shared && enable_weak pic
4913 check_64bit parisc parisc64
4914 enabled shared && enable_weak pic
4917 check_64bit ppc ppc64
4918 enabled shared && enable_weak pic
4921 check_64bit s390 s390x
4922 enabled shared && enable_weak pic
4925 check_64bit sparc sparc64
4926 enabled shared && enable_weak pic
4929 check_64bit x86_32 x86_64
4930 # Treat x32 as x64 for now. Note it also needs pic if shared
4931 test "$subarch" = "x86_32" && test_cpp_condition stddef.h 'defined(__x86_64__)' &&
4932 subarch=x86_64 && enable x86_64 && disable x86_32
4933 if enabled x86_64; then
4934 enabled shared && enable_weak pic
4944 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4945 enabled shared && add_ldflags -Wl,-brtl
4946 arflags='-Xany -r -c'
4950 enable section_data_rel_ro
4951 SLIB_INSTALL_NAME='$(SLIBNAME)'
4953 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
4956 prefix_default="/boot/common"
4957 network_extralibs="-lnetwork"
4961 SHFLAGS='-shared -Wl,-h,$$(@F)'
4962 enabled x86 && append SHFLAGS -mimpure-text
4963 network_extralibs="-lsocket -lnsl"
4964 add_cppflags -D__EXTENSIONS__
4965 # When using suncc to build, the Solaris linker will mark
4966 # an executable with each instruction set encountered by
4967 # the Solaris assembler. As our libraries contain their own
4968 # guards for processor-specific code, instead suppress
4969 # generation of the HWCAPS ELF section on Solaris x86 only.
4970 enabled_all suncc x86 &&
4971 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4972 add_ldflags -Wl,-M,mapfile
4973 nm_default='nm -P -g'
4975 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
4979 oss_indev_extralibs="-lossaudio"
4980 oss_outdev_extralibs="-lossaudio"
4981 enabled gcc || check_ldflags -Wl,-zmuldefs
4986 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4988 oss_indev_extralibs="-lossaudio"
4989 oss_outdev_extralibs="-lossaudio"
4997 add_extralibs -lpoll -lgnugetopt
5001 enabled ppc && add_asflags -force_cpusubtype_ALL
5002 install_name_dir_default='$(SHLIBDIR)'
5003 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
5004 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
5006 add_ldflags -Wl,-dynamic,-search_paths_first
5007 check_cflags -Werror=partial-availability
5009 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
5010 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
5011 enabled x86_64 && objformat="macho64" || objformat="macho32"
5012 enabled_any pic shared x86_64 ||
5013 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
5014 check_header dispatch/dispatch.h &&
5015 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
5016 if test -n "$sysroot"; then
5017 is_in -isysroot $cc $CPPFLAGS $CFLAGS || check_cppflags -isysroot $sysroot
5018 is_in -isysroot $ld $LDFLAGS || check_ldflags -isysroot $sysroot
5020 version_script='-exported_symbols_list'
5021 VERSION_SCRIPT_POSTPROCESS_CMD='tr " " "\n" | sed -n /global:/,/local:/p | grep ";" | tr ";" "\n" | sed -E "s/(.+)/_\1/g" | sed -E "s/(.+[^*])$$$$/\1*/"'
5024 die "Native MSYS builds are discouraged, please use the MINGW environment."
5029 if enabled x86_64; then
5030 LIBTARGET="i386:x86-64"
5031 elif enabled arm; then
5033 elif enabled aarch64; then
5036 if enabled shared; then
5037 # Cannot build both shared and static libs when using dllimport.
5040 enabled shared && ! enabled small && test_cmd $windres --version && enable gnu_windres
5041 enabled x86_32 && check_ldflags -Wl,--large-address-aware
5042 shlibdir_default="$bindir_default"
5045 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5046 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5047 if test_cmd lib.exe -list; then
5048 SLIB_EXTRA_CMD=-'lib.exe -nologo -machine:$(LIBTARGET) -def:$$(@:$(SLIBSUF)=.def) -out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
5049 if enabled x86_64; then
5053 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
5055 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5057 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
5058 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
5059 SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" AR="$(AR_CMD)" NM="$(NM_CMD)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
5060 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--disable-auto-image-base $$(@:$(SLIBSUF)=.def)'
5061 enabled x86_64 && objformat="win64" || objformat="win32"
5062 dlltool="${cross_prefix}dlltool"
5065 check_ldflags -Wl,--nxcompat,--dynamicbase
5066 # Lets work around some stupidity in binutils.
5067 # ld will strip relocations from executables even though we need them
5068 # for dynamicbase (ASLR). Using -pie does retain the reloc section
5069 # however ld then forgets what the entry point should be (oops) so we
5070 # have to manually (re)set it.
5071 if enabled x86_32; then
5072 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
5073 elif enabled x86_64; then
5074 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
5075 check_ldflags -Wl,--high-entropy-va # binutils 2.25
5076 # Set image base >4GB for extra entropy with HEASLR
5077 add_ldexeflags -Wl,--image-base,0x140000000
5078 append SHFLAGS -Wl,--image-base,0x180000000
5083 if enabled shared; then
5084 # Link to the import library instead of the normal static library
5087 # Cannot build both shared and static libs with MSVC or icl.
5090 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
5091 shlibdir_default="$bindir_default"
5094 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5095 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5096 SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
5097 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5099 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
5100 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
5101 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
5102 enabled x86_64 && objformat="win64" || objformat="win32"
5108 shlibdir_default="$bindir_default"
5111 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5112 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5113 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5115 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
5116 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
5117 enabled x86_64 && objformat="win64" || objformat="win32"
5119 enabled shared && ! enabled small && test_cmd $windres --version && enable gnu_windres
5120 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5122 *-dos|freedos|opendos)
5123 network_extralibs="-lsocket"
5126 add_cppflags -U__STRICT_ANSI__
5129 enable section_data_rel_ro
5130 enabled_any arm aarch64 && enable_weak linux_perf
5134 ranlib="echo ignoring ranlib"
5140 add_cppflags -D_GNU_SOURCE
5141 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap
5142 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
5146 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5147 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
5148 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \
5149 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \
5150 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \
5151 echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \
5152 emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def'
5153 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \
5154 emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;'
5155 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5157 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib'
5159 enable_weak os2threads
5162 add_cppflags -D_BSD_SOURCE
5167 add_cppflags -D_QNX_SOURCE
5168 network_extralibs="-lsocket"
5173 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
5174 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
5175 add_ldflags -Wl,--target1-abs,--no-undefined \
5176 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
5177 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
5178 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
5179 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
5180 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
5187 die "Unknown OS '$target_os'."
5191 # test if creating links works
5192 link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)
5193 link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)
5195 $ln_s "$link_dest" "$link_name"
5196 touch "$link_dest/test_file"
5197 if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then
5198 # create link to source path
5199 [ -e src ] && rm src
5200 $ln_s "$source_path" src
5203 # creating directory links doesn't work
5204 # fall back to using the full source path
5205 source_link="$source_path"
5211 # determine libc flavour
5216 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
5217 if test_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
5218 eval ${pfx}libc_type=uclibc
5219 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5220 elif test_${pfx}cpp_condition features.h "defined __GLIBC__"; then
5221 eval ${pfx}libc_type=glibc
5222 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5223 # MinGW headers can be installed on Cygwin, so check for newlib first.
5224 elif test_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
5225 eval ${pfx}libc_type=newlib
5226 add_${pfx}cppflags -U__STRICT_ANSI__ -D_XOPEN_SOURCE=600
5227 # MinGW64 is backwards compatible with MinGW32, so check for it first.
5228 elif test_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
5229 eval ${pfx}libc_type=mingw64
5230 if test_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
5231 add_compat msvcrt/snprintf.o
5232 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
5234 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5235 eval test \$${pfx_no_}cc_type = "gcc" &&
5236 add_${pfx}cppflags -D__printf__=__gnu_printf__
5237 test_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&
5238 add_${pfx}cppflags -D_WIN32_WINNT=0x0600
5239 elif test_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
5240 test_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
5241 eval ${pfx}libc_type=mingw32
5242 test_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
5243 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
5244 die "ERROR: MinGW32 runtime version must be >= 3.15."
5245 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5246 test_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700" &&
5247 add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700
5248 test_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&
5249 add_${pfx}cppflags -D_WIN32_WINNT=0x0600
5250 eval test \$${pfx_no_}cc_type = "gcc" &&
5251 add_${pfx}cppflags -D__printf__=__gnu_printf__
5252 elif test_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
5253 eval ${pfx}libc_type=msvcrt
5254 if test_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
5255 if [ "$pfx" = host_ ]; then
5256 add_host_cppflags -Dsnprintf=_snprintf
5258 add_compat strtod.o strtod=avpriv_strtod
5259 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
5260 _snprintf=avpriv_snprintf \
5261 vsnprintf=avpriv_vsnprintf
5264 add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS
5265 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
5266 # 0x601 by default unless something else is set by the user.
5267 # This can easily lead to us detecting functions only present
5268 # in such new versions and producing binaries requiring windows 7.0.
5269 # Therefore explicitly set the default to Vista unless the user has
5270 # set something else on the command line.
5271 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
5272 # family. For these cases, configure is free to use any functions
5273 # found in the SDK headers by default. (Alternatively, we could force
5274 # _WIN32_WINNT to 0x0602 in that case.)
5275 test_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
5276 { test_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0600; }
5277 #ifdef WINAPI_FAMILY
5278 #include <winapifamily.h>
5279 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
5284 if [ "$pfx" = "" ]; then
5285 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
5286 check_func strtoull || add_cflags -Dstrtoull=_strtoui64
5288 elif test_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
5289 eval ${pfx}libc_type=klibc
5290 elif test_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
5291 eval ${pfx}libc_type=bionic
5292 elif test_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
5293 eval ${pfx}libc_type=solaris
5294 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
5298 void *v = localtime_r;
5300 test "$?" != 0 && test_${pfx}cc -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 <<EOF && add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5302 void *v = localtime_r;
5305 eval test -n "\${${pfx}libc_type}" && enable ${pfx}libc_${libc_type}
5311 # hacks for compiler/libc/os combinations
5315 add_compat strtod.o strtod=avpriv_strtod
5319 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
5320 add_cppflags '-I\$(SRC_PATH)/compat/float'
5322 test_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
5325 : ${shlibdir_default:="$libdir"}
5326 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
5328 set_default $PATHS_LIST
5331 disabled optimizations || enabled ossfuzz || check_cflags -fomit-frame-pointer
5334 disabled pic && return
5337 case "$target_os" in
5338 mingw*|cygwin*|win*)
5347 enabled pic && enable_weak_pic
5349 test_cc <<EOF || die "Symbol mangling check failed."
5352 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
5353 extern_prefix=${sym%%ff_extern*}
5355 ! disabled inline_asm && check_inline_asm inline_asm '"" ::'
5357 for restrict_keyword in restrict __restrict__ __restrict ""; do
5358 test_cc <<EOF && break
5359 void foo(char * $restrict_keyword p);
5363 test_cc <<EOF && enable pragma_deprecated
5364 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
5367 test_cc <<EOF || die "endian test failed"
5368 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
5370 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
5372 test_cc <<EOF && enable const_nan
5374 void foo(void) { struct { double d; } static const bar[] = { { NAN } }; }
5377 if ! enabled ppc64 || enabled bigendian; then
5382 log "check_gas using '$as' as AS"
5383 # :vararg is used on aarch64, arm and ppc altivec
5384 test_as <<EOF || return 1
5385 .macro m n, y:vararg=0
5390 # .altmacro is only used in arm asm
5391 ! enabled arm || test_as <<EOF || return 1
5398 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
5400 enabled_any arm aarch64 && nogas=die
5401 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
5405 arm*) gaspp_as_type=armasm; as_noop=-h ;;
5406 gcc) gaspp_as_type=gas ;;
5407 *) gaspp_as_type=$as_type ;;
5410 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
5412 test "${as#*gas-preprocessor.pl}" != "$as" ||
5413 test_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
5414 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
5416 if ! check_gas ; then
5419 $nogas "GNU assembler not found, install/update gas-preprocessor"
5422 test_as <<EOF && enable as_func
5428 check_inline_asm inline_asm_labels '"1:\n"'
5430 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
5432 if enabled aarch64; then
5433 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
5434 # internal assembler in clang 3.3 does not support this instruction
5435 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
5436 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
5438 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
5440 elif enabled alpha; then
5444 elif enabled arm; then
5446 enabled msvc && check_cpp_condition thumb stddef.h "defined _M_ARMT"
5447 test_cpp_condition stddef.h "defined __thumb__" && test_cc <<EOF && enable_weak thumb
5448 float func(float a, float b){ return a+b; }
5450 enabled thumb && check_cflags -mthumb || check_cflags -marm
5452 if check_cpp_condition vfp_args stddef.h "defined __ARM_PCS_VFP"; then
5454 elif check_cpp_condition vfp_args stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
5456 elif ! test_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
5457 case "${cross_prefix:-$cc}" in
5458 *hardfloat*) enable vfp_args; fpabi=vfp ;;
5459 *) test_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
5460 __asm__ (".eabi_attribute 28, 1");
5461 int main(void) { return 0; }
5464 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
5467 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
5468 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
5469 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
5470 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
5471 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
5472 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
5473 enabled setend && check_insn setend 'setend be'
5475 [ $target_os = linux ] || [ $target_os = android ] ||
5476 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
5479 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
5481 test_as <<EOF && enable as_arch_directive
5484 test_as <<EOF && enable as_fpu_directive
5488 # llvm's integrated assembler supports .object_arch from llvm 3.5
5489 [ "$objformat" = elf32 ] || [ "$objformat" = elf64 ] &&
5490 test_as <<EOF && enable as_object_arch
5494 # MS armasm fails to assemble our PIC constructs
5495 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
5497 elif enabled mips; then
5499 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
5500 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
5501 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
5503 # Enable minimum ISA based on selected options
5504 if enabled mips64; then
5505 enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'
5506 enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'
5507 disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'
5509 enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'
5510 enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'
5511 enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'
5512 disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'
5515 enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'
5516 enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'
5517 enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_header msa.h || disable msa
5518 enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'
5519 enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'
5521 if enabled bigendian && enabled msa; then
5525 elif enabled parisc; then
5527 if enabled gcc; then
5528 case $($cc -dumpversion) in
5529 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
5533 elif enabled ppc; then
5535 enable local_aligned
5537 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
5538 check_inline_asm ibm_asm '"add 0, 0, 0"'
5539 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
5540 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
5542 if enabled altivec; then
5543 check_cflags -maltivec -mabi=altivec
5545 # check if our compiler supports Motorola AltiVec C API
5546 test_code cc altivec.h "vector signed int v1 = (vector signed int) { 0 };
5547 vector signed int v2 = (vector signed int) { 1 };
5548 v1 = vec_add(v1, v2);" ||
5551 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
5554 if enabled vsx; then
5555 check_cflags -mvsx &&
5556 test_code cc altivec.h "int v[4] = { 0 };
5557 vector signed int v1 = vec_vsx_ld(0, v);" ||
5561 if enabled power8; then
5562 check_cpp_condition power8 "altivec.h" "defined(_ARCH_PWR8)"
5565 elif enabled x86; then
5567 check_builtin rdtsc intrin.h "__rdtsc()"
5568 check_builtin mm_empty mmintrin.h "_mm_empty()"
5570 enable local_aligned
5572 # check whether EBP is available on x86
5573 # As 'i' is stored on the stack, this program will crash
5574 # if the base pointer is used to access it because the
5575 # base pointer is cleared in the inline assembly code.
5576 check_exec_crash <<EOF && enable ebp_available
5578 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
5582 # check whether EBX is available on x86
5583 check_inline_asm ebx_available '""::"b"(0)' &&
5584 check_inline_asm ebx_available '"":::"%ebx"'
5586 # check whether xmm clobbers are supported
5587 check_inline_asm xmm_clobbers '"":::"%xmm0"'
5589 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
5590 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
5592 # check whether binutils is new enough to compile SSSE3/MMXEXT
5593 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
5594 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
5598 if test_cmd $x86asmexe_probe -v; then
5599 x86asmexe=$x86asmexe_probe
5601 x86asm_debug="-g -F dwarf"
5603 X86ASM_DEPFLAGS='-MD $(@:.o=.d)'
5604 elif test_cmd $x86asmexe_probe --version; then
5605 x86asmexe=$x86asmexe_probe
5607 x86asm_debug="-g dwarf2"
5608 X86ASMDEP='$(DEPX86ASM) $(X86ASMFLAGS) -M $(X86ASM_O) $< > $(@:.o=.d)'
5611 test_x86asm "movbe ecx, [5]" && enable x86asm
5614 if ! disabled_any asm mmx x86asm; then
5616 for program in $x86asmexe nasm yasm; do
5617 probe_x86asm $program && break
5619 disabled x86asm && die "nasm/yasm not found or too old. Use --disable-x86asm for a crippled build."
5620 X86ASMFLAGS="-f $objformat"
5621 enabled pic && append X86ASMFLAGS "-DPIC"
5622 test -n "$extern_prefix" && append X86ASMFLAGS "-DPREFIX"
5623 case "$objformat" in
5624 elf*) enabled debug && append X86ASMFLAGS $x86asm_debug ;;
5627 test_x86asm "vmovdqa32 [eax]{k1}{z}, zmm0" || disable avx512_external
5628 test_x86asm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
5629 test_x86asm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
5630 test_x86asm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
5631 test_x86asm "CPU amdnop" || disable cpunop
5635 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
5642 test_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
5644 check_ldflags -Wl,--as-needed
5645 check_ldflags -Wl,-z,noexecstack
5647 if ! disabled network; then
5648 check_func getaddrinfo $network_extralibs
5649 check_func inet_aton $network_extralibs
5651 check_type netdb.h "struct addrinfo"
5652 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
5653 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
5654 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
5655 check_type poll.h "struct pollfd"
5656 check_type netinet/sctp.h "struct sctp_event_subscribe"
5657 check_struct "sys/socket.h" "struct msghdr" msg_flags
5658 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5659 check_type netinet/in.h "struct sockaddr_in6"
5660 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
5661 check_type "sys/types.h sys/socket.h" socklen_t
5663 # Prefer arpa/inet.h over winsock2
5664 if check_header arpa/inet.h ; then
5665 check_func closesocket
5666 elif check_header winsock2.h ; then
5667 check_func_headers winsock2.h closesocket -lws2 &&
5668 network_extralibs="-lws2" ||
5669 { check_func_headers winsock2.h closesocket -lws2_32 &&
5670 network_extralibs="-lws2_32"; } || disable winsock2_h network
5671 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
5673 check_type ws2tcpip.h socklen_t
5674 check_type ws2tcpip.h "struct addrinfo"
5675 check_type ws2tcpip.h "struct group_source_req"
5676 check_type ws2tcpip.h "struct ip_mreq_source"
5677 check_type ws2tcpip.h "struct ipv6_mreq"
5678 check_type winsock2.h "struct pollfd"
5679 check_struct winsock2.h "struct sockaddr" sa_len
5680 check_type ws2tcpip.h "struct sockaddr_in6"
5681 check_type ws2tcpip.h "struct sockaddr_storage"
5687 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
5688 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
5689 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
5690 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
5691 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
5692 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
5693 check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR"
5695 case "$custom_allocator" in
5697 # jemalloc by default does not use a prefix
5698 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
5701 require_pkg_config libtcmalloc libtcmalloc gperftools/tcmalloc.h tc_malloc
5706 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
5707 check_func ${malloc_prefix}memalign && enable memalign
5708 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5711 check_func_headers stdlib.h arc4random
5712 check_lib clock_gettime time.h clock_gettime || check_lib clock_gettime time.h clock_gettime -lrt
5715 check_func gethrtime
5717 check_func getrusage
5718 check_func gettimeofday
5723 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5724 check_func_headers time.h nanosleep || check_lib nanosleep time.h nanosleep -lrt
5725 check_func sched_getaffinity
5726 check_func setrlimit
5727 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5728 check_func strerror_r
5733 check_func_headers conio.h kbhit
5734 check_func_headers io.h setmode
5735 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5736 check_func_headers mach/mach_time.h mach_absolute_time
5737 check_func_headers stdlib.h getenv
5738 check_func_headers sys/stat.h lstat
5740 check_func_headers windows.h GetProcessAffinityMask
5741 check_func_headers windows.h GetProcessTimes
5742 check_func_headers windows.h GetSystemTimeAsFileTime
5743 check_func_headers windows.h LoadLibrary
5744 check_func_headers windows.h MapViewOfFile
5745 check_func_headers windows.h PeekNamedPipe
5746 check_func_headers windows.h SetConsoleTextAttribute
5747 check_func_headers windows.h SetConsoleCtrlHandler
5748 check_func_headers windows.h Sleep
5749 check_func_headers windows.h VirtualAlloc
5750 check_func_headers glob.h glob
5752 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5754 check_header direct.h
5755 check_header dirent.h
5756 check_header dxgidebug.h
5758 check_header dxva2api.h -D_WIN32_WINNT=0x0600
5760 check_header libcrystalhd/libcrystalhd_if.h
5761 check_header malloc.h
5762 check_header net/udplite.h
5764 check_header sys/param.h
5765 check_header sys/resource.h
5766 check_header sys/select.h
5767 check_header sys/time.h
5768 check_header sys/un.h
5769 check_header termios.h
5770 check_header unistd.h
5771 check_header valgrind/valgrind.h
5772 check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox
5773 check_header windows.h
5774 check_header X11/extensions/XvMClib.h
5775 check_header asm/types.h
5777 # it seems there are versions of clang in some distros that try to use the
5778 # gcc headers, which explodes for stdatomic
5779 # so we also check that atomics actually work here
5780 check_builtin stdatomic stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0)"
5782 check_lib advapi32 "windows.h" RegCloseKey -ladvapi32
5783 check_lib ole32 "windows.h" CoTaskMemFree -lole32
5784 check_lib shell32 "windows.h shellapi.h" CommandLineToArgvW -lshell32
5785 check_lib wincrypt "windows.h wincrypt.h" CryptGenRandom -ladvapi32
5786 check_lib psapi "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5788 check_lib android android/native_window.h ANativeWindow_acquire -landroid
5789 check_lib mediandk "stdint.h media/NdkImage.h" AImage_delete -lmediandk
5790 check_lib camera2ndk "stdbool.h stdint.h camera/NdkCameraManager.h" ACameraManager_create -lcamera2ndk
5792 enabled appkit && check_apple_framework AppKit
5793 enabled audiotoolbox && check_apple_framework AudioToolbox
5794 enabled avfoundation && check_apple_framework AVFoundation
5795 enabled coreimage && check_apple_framework CoreImage
5796 enabled videotoolbox && check_apple_framework VideoToolbox
5798 check_apple_framework CoreFoundation
5799 check_apple_framework CoreMedia
5800 check_apple_framework CoreVideo
5802 enabled avfoundation && {
5803 disable coregraphics applicationservices
5804 check_lib coregraphics CoreGraphics/CoreGraphics.h CGGetActiveDisplayList "-framework CoreGraphics" ||
5805 check_lib applicationservices ApplicationServices/ApplicationServices.h CGGetActiveDisplayList "-framework ApplicationServices"; }
5807 enabled videotoolbox && {
5808 check_lib coreservices CoreServices/CoreServices.h UTGetOSTypeFromString "-framework CoreServices"
5809 check_func_headers CoreMedia/CMFormatDescription.h kCMVideoCodecType_HEVC "-framework CoreMedia"
5812 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
5814 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5815 check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5816 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
5817 check_type "windows.h d3d11.h" "ID3D11VideoContext"
5818 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
5820 check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC"
5821 check_type "va/va.h va/va_dec_vp8.h" "VAPictureParameterBufferVP8"
5822 check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth
5823 check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"
5824 check_type "va/va.h va/va_enc_h264.h" "VAEncPictureParameterBufferH264"
5825 check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"
5826 check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"
5827 check_type "va/va.h va/va_enc_mpeg2.h" "VAEncPictureParameterBufferMPEG2"
5828 check_type "va/va.h va/va_enc_vp8.h" "VAEncPictureParameterBufferVP8"
5829 check_type "va/va.h va/va_enc_vp9.h" "VAEncPictureParameterBufferVP9"
5831 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
5833 if ! disabled ffnvcodec; then
5834 check_pkg_config ffnvcodec "ffnvcodec >= 8.0.14.1" \
5835 "ffnvcodec/nvEncodeAPI.h ffnvcodec/dynlink_cuda.h ffnvcodec/dynlink_cuviddec.h ffnvcodec/dynlink_nvcuvid.h" ""
5838 check_cpp_condition winrt windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)"
5840 if ! disabled w32threads && ! enabled pthreads; then
5841 check_func_headers "windows.h process.h" _beginthreadex &&
5842 check_type "windows.h" CONDITION_VARIABLE &&
5843 enable w32threads || disable w32threads
5844 if ! enabled w32threads && enabled winrt; then
5845 check_func_headers "windows.h" CreateThread &&
5846 enable w32threads || disable w32threads
5850 # check for some common methods of building with pthread support
5851 # do this before the optional library checks as some of them require pthreads
5852 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
5853 if check_lib pthreads pthread.h pthread_join -pthread &&
5854 check_lib pthreads pthread.h pthread_create -pthread; then
5856 elif check_lib pthreads pthread.h pthread_join -pthreads &&
5857 check_lib pthreads pthread.h pthread_create -pthreads; then
5858 add_cflags -pthreads
5859 elif check_lib pthreads pthread.h pthread_join -ldl -pthread &&
5860 check_lib pthreads pthread.h pthread_create -ldl -pthread; then
5861 add_cflags -ldl -pthread
5862 elif check_lib pthreads pthread.h pthread_join -lpthreadGC2 &&
5863 check_lib pthreads pthread.h pthread_create -lpthreadGC2; then
5865 elif check_lib pthreads pthread.h pthread_join -lpthread &&
5866 check_lib pthreads pthread.h pthread_create -lpthread; then
5868 elif check_func pthread_join && check_func pthread_create; then
5871 test_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
5873 if enabled pthreads; then
5874 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" $pthreads_extralibs
5875 check_func pthread_cancel $pthreads_extralibs
5879 enabled zlib && check_lib zlib zlib.h zlibVersion -lz
5880 enabled bzlib && check_lib bzlib bzlib.h BZ2_bzlibVersion -lbz2
5881 enabled lzma && check_lib lzma lzma.h lzma_version_number -llzma
5883 # On some systems dynamic loading requires no extra linker flags
5884 check_lib libdl dlfcn.h "dlopen dlsym" || check_lib libdl dlfcn.h "dlopen dlsym" -ldl
5886 check_lib libm math.h sin -lm
5894 for func in $MATH_FUNCS; do
5895 eval check_mathfunc $func \${${func}_args:-1} $libm_extralibs
5898 for func in $COMPLEX_FUNCS; do
5899 eval check_complexfunc $func \${${func}_args:-1}
5902 # these are off by default, so fail if requested and not available
5903 enabled cuda_sdk && require cuda_sdk cuda.h cuCtxCreate -lcuda
5904 enabled chromaprint && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
5905 enabled decklink && { require_header DeckLinkAPI.h &&
5906 { test_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a060100" || die "ERROR: Decklink API version must be >= 10.6.1."; } }
5907 enabled libndi_newtek && require_header Processing.NDI.Lib.h
5908 enabled frei0r && require_header frei0r.h
5909 enabled gmp && require gmp gmp.h mpz_export -lgmp
5910 enabled gnutls && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init
5911 enabled jni && { [ $target_os = "android" ] && check_header jni.h && enabled pthreads || die "ERROR: jni not found"; }
5912 enabled ladspa && require_header ladspa.h
5913 enabled lv2 && require_pkg_config lv2 lilv-0 "lilv-0/lilv/lilv.h" lilv_world_new
5914 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
5915 enabled libass && require_pkg_config libass libass ass/ass.h ass_library_init
5916 enabled libbluray && require_pkg_config libbluray libbluray libbluray/bluray.h bd_open
5917 enabled libbs2b && require_pkg_config libbs2b libbs2b bs2b.h bs2b_open
5918 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
5919 { check_lib libcelt celt/celt.h celt_decoder_create_custom -lcelt0 ||
5920 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
5921 enabled libcaca && require_pkg_config libcaca caca caca.h caca_create_canvas
5922 enabled libcodec2 && require libcodec2 codec2/codec2.h codec2_create -lcodec2
5923 enabled libdc1394 && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new
5924 enabled libdrm && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion
5925 enabled libfdk_aac && { check_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
5926 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
5927 warn "using libfdk without pkg-config"; } }
5928 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"
5929 enabled libflite && require libflite "flite/flite.h" flite_init $flite_extralibs
5930 enabled fontconfig && enable libfontconfig
5931 enabled libfontconfig && require_pkg_config libfontconfig fontconfig "fontconfig/fontconfig.h" FcInit
5932 enabled libfreetype && require_pkg_config libfreetype freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType
5933 enabled libfribidi && require_pkg_config libfribidi fribidi fribidi.h fribidi_version_info
5934 enabled libgme && { check_pkg_config libgme libgme gme/gme.h gme_new_emu ||
5935 require libgme gme/gme.h gme_new_emu -lgme -lstdc++; }
5936 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
5937 check_lib libgsm "${gsm_hdr}" gsm_create -lgsm && break;
5938 done || die "ERROR: libgsm not found"; }
5939 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc $pthreads_extralibs
5940 enabled libkvazaar && require_pkg_config libkvazaar "kvazaar >= 0.8.1" kvazaar.h kvz_api_get
5941 # While it may appear that require is being used as a pkg-config
5942 # fallback for libmfx, it is actually being used to detect a different
5943 # installation route altogether. If libmfx is installed via the Intel
5944 # Media SDK or Intel Media Server Studio, these don't come with
5945 # pkg-config support. Instead, users should make sure that the build
5946 # can find the libraries and headers through other means.
5947 enabled libmfx && { check_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit ||
5948 { require libmfx "mfx/mfxvideo.h" MFXInit "-llibmfx $advapi32_extralibs" && warn "using libmfx without pkg-config"; } }
5949 enabled libmodplug && require_pkg_config libmodplug libmodplug libmodplug/modplug.h ModPlug_Load
5950 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame $libm_extralibs
5951 enabled libmysofa && require libmysofa "mysofa.h" mysofa_load -lmysofa $zlib_extralibs
5952 enabled libnpp && { check_lib libnpp npp.h nppGetLibVersion -lnppig -lnppicc -lnppc ||
5953 check_lib libnpp npp.h nppGetLibVersion -lnppi -lnppc ||
5954 die "ERROR: libnpp not found"; }
5955 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
5956 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
5957 enabled libopencv && { check_header opencv2/core/core_c.h &&
5958 { check_pkg_config libopencv opencv opencv2/core/core_c.h cvCreateImageHeader ||
5959 require libopencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||
5960 require_pkg_config libopencv opencv opencv/cxcore.h cvCreateImageHeader; }
5961 enabled libopenh264 && require_pkg_config libopenh264 openh264 wels/codec_api.h WelsGetCodecVersion
5962 enabled libopenjpeg && { check_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version ||
5963 { require_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } }
5964 enabled libopenmpt && require_pkg_config libopenmpt "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create -lstdc++ && append libopenmpt_extralibs "-lstdc++"
5965 enabled libopus && {
5966 enabled libopus_decoder && {
5967 require_pkg_config libopus opus opus_multistream.h opus_multistream_decoder_create
5969 enabled libopus_encoder && {
5970 require_pkg_config libopus opus opus_multistream.h opus_multistream_surround_encoder_create
5973 enabled libpulse && require_pkg_config libpulse libpulse pulse/pulseaudio.h pa_context_new
5974 enabled librsvg && require_pkg_config librsvg librsvg-2.0 librsvg-2.0/librsvg/rsvg.h rsvg_handle_render_cairo
5975 enabled librtmp && require_pkg_config librtmp librtmp librtmp/rtmp.h RTMP_Socket
5976 enabled librubberband && require_pkg_config librubberband "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new -lstdc++ && append librubberband_extralibs "-lstdc++"
5977 enabled libshine && require_pkg_config libshine shine shine/layer3.h shine_encode_buffer
5978 enabled libsmbclient && { check_pkg_config libsmbclient smbclient libsmbclient.h smbc_init ||
5979 require libsmbclient libsmbclient.h smbc_init -lsmbclient; }
5980 enabled libsnappy && require libsnappy snappy-c.h snappy_compress -lsnappy -lstdc++
5981 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
5982 enabled libssh && require_pkg_config libssh libssh libssh/sftp.h sftp_init
5983 enabled libspeex && require_pkg_config libspeex speex speex/speex.h speex_decoder_init
5984 enabled libtesseract && require_pkg_config libtesseract tesseract tesseract/capi.h TessBaseAPICreate
5985 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
5986 enabled libtls && require_pkg_config libtls libtls tls.h tls_configure
5987 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
5988 { check_lib libtwolame twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
5989 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
5990 enabled libv4l2 && require_pkg_config libv4l2 libv4l2 libv4l2.h v4l2_ioctl
5991 enabled libvidstab && require_pkg_config libvidstab "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
5992 enabled libvmaf && require_pkg_config libvmaf "libvmaf >= 0.6.2" libvmaf.h compute_vmaf
5993 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
5994 enabled libvorbis && require_pkg_config libvorbis vorbis vorbis/codec.h vorbis_info_init &&
5995 require_pkg_config libvorbisenc vorbisenc vorbis/vorbisenc.h vorbis_encode_init
5998 enabled libvpx_vp8_decoder && {
5999 check_pkg_config libvpx_vp8_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
6000 check_lib libvpx_vp8_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||
6001 die "ERROR: libvpx decoder version must be >=1.4.0";
6003 enabled libvpx_vp8_encoder && {
6004 check_pkg_config libvpx_vp8_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
6005 check_lib libvpx_vp8_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||
6006 die "ERROR: libvpx encoder version must be >=1.4.0";
6008 enabled libvpx_vp9_decoder && {
6009 check_pkg_config libvpx_vp9_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
6010 check_lib libvpx_vp9_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs"
6012 enabled libvpx_vp9_encoder && {
6013 check_pkg_config libvpx_vp9_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
6014 check_lib libvpx_vp9_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs"
6016 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
6017 die "libvpx enabled but no supported decoders found"
6021 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
6022 enabled libwebp && {
6023 enabled libwebp_encoder && require_pkg_config libwebp "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
6024 enabled libwebp_anim_encoder && check_pkg_config libwebp_anim_encoder "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit; }
6025 enabled libx264 && { check_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode ||
6026 { require libx264 "stdint.h x264.h" x264_encoder_encode "-lx264 $pthreads_extralibs $libm_extralibs" &&
6027 warn "using libx264 without pkg-config"; } } &&
6028 require_cpp_condition x264.h "X264_BUILD >= 118" &&
6029 check_cpp_condition libx262 x264.h "X264_MPEG2"
6030 enabled libx265 && require_pkg_config libx265 x265 x265.h x265_api_get &&
6031 require_cpp_condition x265.h "X265_BUILD >= 68"
6032 enabled libxavs && require libxavs "stdint.h xavs.h" xavs_encoder_encode "-lxavs $pthreads_extralibs $libm_extralibs"
6033 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
6034 enabled libzimg && require_pkg_config libzimg "zimg >= 2.7.0" zimg.h zimg_get_api_version
6035 enabled libzmq && require_pkg_config libzmq libzmq zmq.h zmq_ctx_new
6036 enabled libzvbi && require_pkg_config libzvbi zvbi-0.2 libzvbi.h vbi_decoder_new &&
6037 { test_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||
6038 enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }
6039 enabled libxml2 && require_pkg_config libxml2 libxml-2.0 libxml2/libxml/xmlversion.h xmlCheckVersion
6040 enabled mediacodec && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }
6041 enabled mmal && { check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
6042 { ! enabled cross_compile &&
6043 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline &&
6044 add_ldflags -L/opt/vc/lib/ &&
6045 check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host; } ||
6046 die "ERROR: mmal not found" &&
6047 check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"; }
6048 enabled openal && { { for al_extralibs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
6049 check_lib openal 'AL/al.h' alGetError "${al_extralibs}" && break; done } ||
6050 die "ERROR: openal not found"; } &&
6051 { test_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
6052 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
6053 enabled opencl && { check_lib opencl OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
6054 check_lib opencl CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
6055 die "ERROR: opencl not found"; } &&
6056 { test_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
6057 test_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
6058 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
6059 enabled opengl && { check_lib opengl GL/glx.h glXGetProcAddress "-lGL" ||
6060 check_lib opengl windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
6061 check_lib opengl OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
6062 check_lib opengl ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
6063 die "ERROR: opengl not found."
6065 enabled omx && require_header OMX_Core.h
6066 enabled omx_rpi && { check_header OMX_Core.h ||
6067 { ! enabled cross_compile && add_cflags -isystem/opt/vc/include/IL && check_header OMX_Core.h ; } ||
6068 die "ERROR: OpenMAX IL headers not found"; } && enable omx
6069 enabled openssl && { check_pkg_config openssl openssl openssl/ssl.h OPENSSL_init_ssl ||
6070 check_pkg_config openssl openssl openssl/ssl.h SSL_library_init ||
6071 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto ||
6072 check_lib openssl openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
6073 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
6074 die "ERROR: openssl not found"; }
6075 enabled rkmpp && { require_pkg_config rkmpp rockchip_mpp rockchip/rk_mpi.h mpp_create &&
6076 require_pkg_config rockchip_mpp "rockchip_mpp >= 1.3.7" rockchip/rk_mpi.h mpp_create &&
6078 die "ERROR: rkmpp requires --enable-libdrm"; }
6081 if enabled gcrypt; then
6082 GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"
6083 if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then
6084 gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)
6085 gcrypt_extralibs=$("${GCRYPT_CONFIG}" --libs)
6086 check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_extralibs ||
6087 die "ERROR: gcrypt not found"
6088 add_cflags $gcrypt_cflags
6090 require gcrypt gcrypt.h gcry_mpi_new -lgcrypt
6094 if enabled sdl2; then
6095 SDL2_CONFIG="${cross_prefix}sdl2-config"
6096 test_pkg_config sdl2 "sdl2 >= 2.0.1 sdl2 < 2.1.0" SDL_events.h SDL_PollEvent
6097 if disabled sdl2 && "${SDL2_CONFIG}" --version > /dev/null 2>&1; then
6098 sdl2_cflags=$("${SDL2_CONFIG}" --cflags)
6099 sdl2_extralibs=$("${SDL2_CONFIG}" --libs)
6100 test_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&
6101 test_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&
6102 check_func_headers SDL_events.h SDL_PollEvent $sdl2_extralibs $sdl2_cflags &&
6105 if test $target_os = "mingw32"; then
6106 sdl2_extralibs=$(filter_out '-mwindows' $sdl2_extralibs)
6110 if enabled decklink; then
6112 mingw32*|mingw64*|win32|win64)
6113 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
6114 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
6119 enabled securetransport &&
6120 check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
6121 check_lib securetransport "Security/SecureTransport.h Security/Security.h" "SSLCreateContext" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" ||
6122 disable securetransport
6124 enabled securetransport &&
6125 check_func SecItemImport "-Wl,-framework,CoreFoundation -Wl,-framework,Security"
6128 check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&
6129 check_cpp_condition schannel winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" && schannel_extralibs="-lsecur32"
6131 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
6133 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
6134 && enable makeinfo_html || disable makeinfo_html
6135 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
6136 perl -v > /dev/null 2>&1 && enable perl || disable perl
6137 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
6138 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
6140 # check V4L2 codecs available in the API
6141 check_header linux/fb.h
6142 check_header linux/videodev2.h
6143 test_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6144 test_code cc linux/videodev2.h "int i = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_VIDEO_M2M | V4L2_BUF_FLAG_LAST;" || disable v4l2_m2m
6145 test_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VC1_ANNEX_G;" && enable vc1_v4l2_m2m
6146 test_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG1;" && enable mpeg1_v4l2_m2m
6147 test_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG2;" && enable mpeg2_v4l2_m2m
6148 test_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG4;" && enable mpeg4_v4l2_m2m
6149 test_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_HEVC;" && enable hevc_v4l2_m2m
6150 test_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_H263;" && enable h263_v4l2_m2m
6151 test_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_H264;" && enable h264_v4l2_m2m
6152 test_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VP8;" && enable vp8_v4l2_m2m
6153 test_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VP9;" && enable vp9_v4l2_m2m
6155 check_header sys/videoio.h
6156 test_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6158 check_lib user32 "windows.h winuser.h" GetShellWindow -luser32
6159 check_lib vfw32 "windows.h vfw.h" capCreateCaptureWindow -lvfw32
6160 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
6161 # w32api 3.12 had it defined wrong
6162 check_cpp_condition vfwcap_defines vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER"
6164 check_type "dshow.h" IBaseFilter
6166 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
6167 check_header "dev/bktr/ioctl_meteor.h dev/bktr/ioctl_bt848.h" ||
6168 check_header "machine/ioctl_meteor.h machine/ioctl_bt848.h" ||
6169 check_header "dev/video/meteor/ioctl_meteor.h dev/video/bktr/ioctl_bt848.h" ||
6170 check_header "dev/ic/bt8xx.h"
6172 if check_struct sys/soundcard.h audio_buf_info bytes; then
6173 enable_sanitized sys/soundcard.h
6175 test_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_sanitized sys/soundcard.h
6176 #include <sys/soundcard.h>
6181 enabled alsa && check_pkg_config alsa alsa "alsa/asoundlib.h" snd_pcm_htimestamp ||
6182 check_lib alsa alsa/asoundlib.h snd_pcm_htimestamp -lasound
6185 require_pkg_config libjack jack jack/jack.h jack_port_get_latency_range
6187 enabled sndio && check_lib sndio sndio.h sio_open -lsndio
6189 if enabled libcdio; then
6190 check_pkg_config libcdio libcdio_paranoia "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open ||
6191 check_pkg_config libcdio libcdio_paranoia "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open ||
6192 check_lib libcdio "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6193 check_lib libcdio "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6194 die "ERROR: No usable libcdio/cdparanoia found"
6197 enabled libxcb && check_pkg_config libxcb "xcb >= 1.4" xcb/xcb.h xcb_connect ||
6198 disable libxcb_shm libxcb_shape libxcb_xfixes
6200 if enabled libxcb; then
6201 enabled libxcb_shm && check_pkg_config libxcb_shm xcb-shm xcb/shm.h xcb_shm_attach
6202 enabled libxcb_shape && check_pkg_config libxcb_shape xcb-shape xcb/shape.h xcb_shape_get_rectangles
6203 enabled libxcb_xfixes && check_pkg_config libxcb_xfixes xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image
6206 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
6208 # d3d11va requires linking directly to dxgi and d3d11 if not building for
6209 # the desktop api partition
6210 test_cpp <<EOF && enable uwp && d3d11va_extralibs="-ldxgi -ld3d11"
6211 #ifdef WINAPI_FAMILY
6212 #include <winapifamily.h>
6213 #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
6214 #error desktop, not uwp
6216 // WINAPI_FAMILY_APP, WINAPI_FAMILY_PHONE_APP => UWP
6219 #error no family set
6224 check_lib vaapi va/va.h vaInitialize -lva
6227 test_code cc "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)" ||
6231 check_lib vaapi_drm "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm
6234 check_lib vaapi_x11 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 -lX11
6237 check_cpp_condition vaapi_1 "va/va.h" "VA_CHECK_VERSION(1, 0, 0)"
6239 if enabled_all opencl vaapi ; then
6240 check_type "CL/cl_intel.h" "clCreateImageFromFdINTEL_fn" &&
6241 enable opencl_vaapi_beignet
6242 if enabled libmfx ; then
6243 check_type "CL/cl.h CL/va_ext.h" "clCreateFromVA_APIMediaSurfaceINTEL_fn" &&
6244 enable opencl_vaapi_intel_media
6248 if enabled_all opencl dxva2 ; then
6249 check_type "CL/cl_dx9_media_sharing.h" cl_dx9_surface_info_khr &&
6253 if enabled_all opencl d3d11va ; then
6254 check_type "CL/cl_d3d11.h" clGetDeviceIDsFromD3D11KHR_fn &&
6258 if enabled_all opencl libdrm ; then
6259 check_func_headers "CL/cl_ext.h" clImportMemoryARM &&
6260 enable opencl_drm_arm
6264 check_cpp_condition vdpau vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP"
6267 check_lib vdpau_x11 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau -lX11
6269 enabled crystalhd && check_lib crystalhd "stdint.h libcrystalhd/libcrystalhd_if.h" DtsCrystalHDVersion -lcrystalhd
6271 if enabled x86; then
6273 mingw32*|mingw64*|win32|win64|linux|cygwin*)
6276 disable ffnvcodec cuvid nvdec nvenc
6280 disable ffnvcodec cuvid nvdec nvenc
6283 enabled ffnvcodec && enable cuda
6286 test_cc -I$source_path <<EOF || disable nvenc
6287 #include <ffnvcodec/nvEncodeAPI.h>
6288 NV_ENCODE_API_FUNCTION_LIST flist;
6289 void f(void) { struct { const GUID guid; } s[] = { { NV_ENC_PRESET_HQ_GUID } }; }
6290 int main(void) { return 0; }
6294 check_cpp_condition amf "AMF/core/Version.h" \
6295 "(AMF_VERSION_MAJOR << 48 | AMF_VERSION_MINOR << 32 | AMF_VERSION_RELEASE << 16 | AMF_VERSION_BUILD_NUM) >= 0x0001000400040001"
6297 # Funny iconv installations are not unusual, so check it after all flags have been set
6298 if enabled libc_iconv; then
6299 check_func_headers iconv.h iconv
6300 elif enabled iconv; then
6301 check_func_headers iconv.h iconv || check_lib iconv iconv.h iconv -liconv
6304 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
6306 # add some useful compiler flags if supported
6307 check_cflags -Wdeclaration-after-statement
6309 check_cflags -Wdisabled-optimization
6310 check_cflags -Wpointer-arith
6311 check_cflags -Wredundant-decls
6312 check_cflags -Wwrite-strings
6313 check_cflags -Wtype-limits
6314 check_cflags -Wundef
6315 check_cflags -Wmissing-prototypes
6316 check_cflags -Wno-pointer-to-int-cast
6317 check_cflags -Wstrict-prototypes
6318 check_cflags -Wempty-body
6320 if enabled extra_warnings; then
6321 check_cflags -Wcast-qual
6322 check_cflags -Wextra
6323 check_cflags -Wpedantic
6326 check_disable_warning(){
6327 warning_flag=-W${1#-Wno-}
6328 test_cflags $unknown_warning_flags $warning_flag && add_cflags $1
6331 test_cflags -Werror=unused-command-line-argument &&
6332 append unknown_warning_flags "-Werror=unused-command-line-argument"
6333 test_cflags -Werror=unknown-warning-option &&
6334 append unknown_warning_flags "-Werror=unknown-warning-option"
6336 check_disable_warning -Wno-parentheses
6337 check_disable_warning -Wno-switch
6338 check_disable_warning -Wno-format-zero-length
6339 check_disable_warning -Wno-pointer-sign
6340 check_disable_warning -Wno-unused-const-variable
6341 check_disable_warning -Wno-bool-operation
6343 check_disable_warning_headers(){
6344 warning_flag=-W${1#-Wno-}
6345 test_cflags $warning_flag && add_cflags_headers $1
6348 check_disable_warning_headers -Wno-deprecated-declarations
6349 check_disable_warning_headers -Wno-unused-variable
6351 test_cc <<EOF && enable blocks_extension
6352 void (^block)(void);
6355 # add some linker flags
6356 check_ldflags -Wl,--warn-common
6357 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
6358 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir && add_ldsoflags -Wl,-rpath,$libdir
6359 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
6361 # add some strip flags
6364 enabled neon_clobber_test &&
6365 check_ldflags -Wl,--wrap,avcodec_open2 \
6366 -Wl,--wrap,avcodec_decode_audio4 \
6367 -Wl,--wrap,avcodec_decode_video2 \
6368 -Wl,--wrap,avcodec_decode_subtitle2 \
6369 -Wl,--wrap,avcodec_encode_audio2 \
6370 -Wl,--wrap,avcodec_encode_video2 \
6371 -Wl,--wrap,avcodec_encode_subtitle \
6372 -Wl,--wrap,avcodec_send_packet \
6373 -Wl,--wrap,avcodec_receive_packet \
6374 -Wl,--wrap,avcodec_send_frame \
6375 -Wl,--wrap,avcodec_receive_frame \
6376 -Wl,--wrap,swr_convert \
6377 -Wl,--wrap,avresample_convert ||
6378 disable neon_clobber_test
6380 enabled xmm_clobber_test &&
6381 check_ldflags -Wl,--wrap,avcodec_open2 \
6382 -Wl,--wrap,avcodec_decode_audio4 \
6383 -Wl,--wrap,avcodec_decode_video2 \
6384 -Wl,--wrap,avcodec_decode_subtitle2 \
6385 -Wl,--wrap,avcodec_encode_audio2 \
6386 -Wl,--wrap,avcodec_encode_video2 \
6387 -Wl,--wrap,avcodec_encode_subtitle \
6388 -Wl,--wrap,avcodec_send_packet \
6389 -Wl,--wrap,avcodec_receive_packet \
6390 -Wl,--wrap,avcodec_send_frame \
6391 -Wl,--wrap,avcodec_receive_frame \
6392 -Wl,--wrap,swr_convert \
6393 -Wl,--wrap,avresample_convert \
6394 -Wl,--wrap,sws_scale ||
6395 disable xmm_clobber_test
6397 test_ld "cc" <<EOF && enable proper_dce
6398 extern const int array[512];
6399 static inline int func(void) { return array[0]; }
6400 int main(void) { return 0; }
6403 if enabled proper_dce; then
6404 echo "X { local: *; };" > $TMPV
6405 if test_ldflags -Wl,${version_script},$TMPV; then
6406 append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver'
6408 test_cc <<EOF && enable symver_asm_label
6409 void ff_foo(void) __asm__ ("av_foo@VERSION");
6410 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
6412 test_cc <<EOF && enable symver_gnu_asm
6413 __asm__(".symver ff_foo,av_foo@VERSION");
6414 void ff_foo(void) {}
6419 if [ -z "$optflags" ]; then
6420 if enabled small; then
6421 optflags=$cflags_size
6422 elif enabled optimizations; then
6423 optflags=$cflags_speed
6425 optflags=$cflags_noopt
6429 if [ -z "$nvccflags" ]; then
6430 nvccflags=$nvccflags_default
6433 if enabled x86_64 || enabled ppc64 || enabled aarch64; then
6434 nvccflags="$nvccflags -m64"
6436 nvccflags="$nvccflags -m32"
6441 enabled lto && check_ldflags "$@"
6444 check_optflags $optflags
6445 check_optflags -fno-math-errno
6446 check_optflags -fno-signed-zeros
6448 if enabled lto; then
6449 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
6451 check_ldflags -flto $cpuflags
6452 disable inline_asm_direct_symbol_refs
6455 enabled ftrapv && check_cflags -ftrapv
6457 test_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
6462 if enabled icc; then
6463 # Just warnings, no remarks
6465 # -wd: Disable following warnings
6466 # 144, 167, 556: -Wno-pointer-sign
6467 # 188: enumerated type mixed with another type
6468 # 1292: attribute "foo" ignored
6469 # 1419: external declaration in primary source file
6470 # 10006: ignoring unknown option -fno-signed-zeros
6471 # 10148: ignoring unknown option -Wno-parentheses
6472 # 10156: ignoring option '-W'; no argument required
6473 # 13200: No EMMS instruction before call to function
6474 # 13203: No EMMS instruction before return from function
6475 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
6476 # 11030: Warning unknown option --as-needed
6477 # 10156: ignoring option '-export'; no argument required
6478 check_ldflags -wd10156,11030
6479 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
6480 enable ebp_available
6481 # The test above does not test linking
6482 enabled lto && disable symver_asm_label
6483 if enabled x86_32; then
6484 icc_version=$($cc -dumpversion)
6485 test ${icc_version%%.*} -ge 11 &&
6486 check_cflags -falign-stack=maintain-16-byte ||
6487 disable aligned_stack
6489 elif enabled gcc; then
6490 check_optflags -fno-tree-vectorize
6491 check_cflags -Werror=format-security
6492 check_cflags -Werror=implicit-function-declaration
6493 check_cflags -Werror=missing-prototypes
6494 check_cflags -Werror=return-type
6495 check_cflags -Werror=vla
6496 check_cflags -Wformat
6497 check_cflags -fdiagnostics-color=auto
6498 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
6499 elif enabled llvm_gcc; then
6500 check_cflags -mllvm -stack-alignment=16
6501 elif enabled clang; then
6502 check_cflags -mllvm -stack-alignment=16
6503 check_cflags -mstack-alignment=16
6504 check_cflags -Qunused-arguments
6505 check_cflags -Werror=implicit-function-declaration
6506 check_cflags -Werror=missing-prototypes
6507 check_cflags -Werror=return-type
6508 elif enabled cparser; then
6509 add_cflags -Wno-missing-variable-declarations
6510 add_cflags -Wno-empty-statement
6511 elif enabled armcc; then
6512 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
6513 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
6514 # 2523: use of inline assembly is deprecated
6515 add_cflags -W${armcc_opt},--diag_suppress=2523
6516 add_cflags -W${armcc_opt},--diag_suppress=1207
6517 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
6518 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
6519 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
6520 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
6521 elif enabled pathscale; then
6522 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
6524 elif enabled_any msvc icl; then
6525 enabled x86_32 && disable aligned_stack
6526 enabled_all x86_32 debug && add_cflags -Oy-
6527 enabled debug && add_ldflags -debug
6528 enable pragma_deprecated
6529 if enabled icl; then
6530 # -Qansi-alias is basically -fstrict-aliasing, but does not work
6531 # (correctly) on icl 13.x.
6532 test_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
6533 add_cflags -Qansi-alias
6534 # Some inline asm is not compilable in debug
6535 if enabled debug; then
6536 disable ebp_available
6537 disable ebx_available
6540 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
6541 check_cpp_condition log2 crtversion.h "_VC_CRT_MAJOR_VERSION >= 12"
6542 # The CRT headers contain __declspec(restrict) in a few places, but if redefining
6543 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
6544 # (as it ends up if the restrict redefine is done before including stdlib.h), while
6545 # MSVC 2013 and newer can handle it fine.
6546 # If this declspec fails, force including stdlib.h before the restrict redefinition
6547 # happens in config.h.
6548 if [ $restrict_keyword != restrict ]; then
6549 test_cc <<EOF || add_cflags -FIstdlib.h
6550 __declspec($restrict_keyword) void *foo(int);
6553 # the new SSA optimzer in VS2015 U3 is mis-optimizing some parts of the code
6554 # Issue has been fixed in MSVC v19.00.24218.
6555 test_cpp_condition windows.h "_MSC_FULL_VER >= 190024218" ||
6556 check_cflags -d2SSAOptimizer-
6557 # enable utf-8 source processing on VS2015 U2 and newer
6558 test_cpp_condition windows.h "_MSC_FULL_VER >= 190023918" &&
6562 for pfx in "" host_; do
6563 varname=${pfx%_}cc_type
6564 eval "type=\$$varname"
6565 if [ "$type" = "msvc" ]; then
6566 test_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline
6567 static inline int foo(int a) { return a; }
6574 add_asflags -Qunused-arguments
6580 check_ldflags -Qunused-arguments
6584 enable frame_thread_encoder
6586 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
6588 check_deps $CONFIG_LIST \
6593 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"
6594 enabled avresample && warn "Building with deprecated library libavresample"
6596 if test $target_os = "haiku"; then
6598 disable posix_memalign
6601 flatten_extralibs(){
6602 unset nested_entries
6605 for entry in $list; do
6608 append nested_entries $(filter '*_extralibs' $entry_copy)
6609 flat_entries=$(filter_out '*_extralibs' $entry_copy)
6610 eval $entry="\$flat_entries"
6612 append $list_name "$nested_entries"
6614 resolve nested_entries
6615 if test -n "$(filter '*_extralibs' $nested_entries)"; then
6616 flatten_extralibs $list_name
6620 flatten_extralibs_wrapper(){
6622 flatten_extralibs $list_name
6625 eval $list_name=\$\(\$ldflags_filter \$$list_name\)
6626 eval printf \''%s'\' \""\$$list_name"\"
6629 for linkunit in $LIBRARY_LIST; do
6630 unset current_extralibs
6631 eval components=\$$(toupper ${linkunit})_COMPONENTS_LIST
6632 for comp in ${components}; do
6633 enabled $comp || continue
6634 comp_extralibs="${comp}_extralibs"
6635 append current_extralibs $comp_extralibs
6637 eval prepend ${linkunit}_extralibs $current_extralibs
6640 for linkunit in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
6641 eval ${linkunit}_extralibs=\$\(flatten_extralibs_wrapper ${linkunit}_extralibs\)
6644 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
6646 for thread in $THREADS_LIST; do
6647 if enabled $thread; then
6648 test -n "$thread_type" &&
6649 die "ERROR: Only one thread type must be selected." ||
6650 thread_type="$thread"
6654 if disabled stdatomic; then
6655 if enabled atomics_gcc; then
6656 add_cppflags '-I\$(SRC_PATH)/compat/atomics/gcc'
6657 elif enabled atomics_win32; then
6658 add_cppflags '-I\$(SRC_PATH)/compat/atomics/win32'
6659 elif enabled atomics_suncc; then
6660 add_cppflags '-I\$(SRC_PATH)/compat/atomics/suncc'
6661 elif enabled pthreads; then
6662 add_compat atomics/pthread/stdatomic.o
6663 add_cppflags '-I\$(SRC_PATH)/compat/atomics/pthread'
6665 enabled threads && die "Threading is enabled, but no atomics are available"
6666 add_cppflags '-I\$(SRC_PATH)/compat/atomics/dummy'
6670 # Check if requested libraries were found.
6671 for lib in $AUTODETECT_LIBS; do
6672 requested $lib && ! enabled $lib && die "ERROR: $lib requested but not found";
6675 enabled zlib && add_cppflags -DZLIB_CONST
6677 # conditional library dependencies, in linking order
6678 enabled afftfilt_filter && prepend avfilter_deps "avcodec"
6679 enabled afir_filter && prepend avfilter_deps "avcodec"
6680 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
6681 enabled aresample_filter && prepend avfilter_deps "swresample"
6682 enabled atempo_filter && prepend avfilter_deps "avcodec"
6683 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
6684 enabled convolve_filter && prepend avfilter_deps "avcodec"
6685 enabled deconvolve_filter && prepend avfilter_deps "avcodec"
6686 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
6687 enabled elbg_filter && prepend avfilter_deps "avcodec"
6688 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
6689 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
6690 enabled firequalizer_filter && prepend avfilter_deps "avcodec"
6691 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
6692 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
6693 enabled pan_filter && prepend avfilter_deps "swresample"
6694 enabled pp_filter && prepend avfilter_deps "postproc"
6695 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
6696 enabled resample_filter && prepend avfilter_deps "avresample"
6697 enabled sab_filter && prepend avfilter_deps "swscale"
6698 enabled scale_filter && prepend avfilter_deps "swscale"
6699 enabled scale2ref_filter && prepend avfilter_deps "swscale"
6700 enabled sofalizer_filter && prepend avfilter_deps "avcodec"
6701 enabled showcqt_filter && prepend avfilter_deps "avformat avcodec swscale"
6702 enabled showfreqs_filter && prepend avfilter_deps "avcodec"
6703 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
6704 enabled signature_filter && prepend avfilter_deps "avcodec avformat"
6705 enabled smartblur_filter && prepend avfilter_deps "swscale"
6706 enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"
6707 enabled spp_filter && prepend avfilter_deps "avcodec"
6708 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
6709 enabled uspp_filter && prepend avfilter_deps "avcodec"
6710 enabled zoompan_filter && prepend avfilter_deps "swscale"
6712 enabled lavfi_indev && prepend avdevice_deps "avfilter"
6715 enabled sdl2_outdev && add_cflags $(filter_out '-Dmain=SDL_main' $sdl2_cflags)
6717 enabled opus_decoder && prepend avcodec_deps "swresample"
6721 eval "deps=\$$lib_deps"
6722 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
6726 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
6727 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
6729 map 'expand_deps $v' $LIBRARY_LIST
6731 if test "$quiet" != "yes"; then
6733 echo "install prefix $prefix"
6734 echo "source path $source_path"
6735 echo "C compiler $cc"
6736 echo "C library $libc_type"
6737 if test "$host_cc" != "$cc"; then
6738 echo "host C compiler $host_cc"
6739 echo "host C library $host_libc_type"
6741 echo "ARCH $arch ($cpu)"
6742 if test "$build_suffix" != ""; then
6743 echo "build suffix $build_suffix"
6745 if test "$progs_suffix" != ""; then
6746 echo "progs suffix $progs_suffix"
6748 if test "$extra_version" != ""; then
6749 echo "version string suffix $extra_version"
6751 echo "big-endian ${bigendian-no}"
6752 echo "runtime cpu detection ${runtime_cpudetect-no}"
6753 if enabled x86; then
6754 echo "standalone assembly ${x86asm-no}"
6755 echo "x86 assembler ${x86asmexe}"
6756 echo "MMX enabled ${mmx-no}"
6757 echo "MMXEXT enabled ${mmxext-no}"
6758 echo "3DNow! enabled ${amd3dnow-no}"
6759 echo "3DNow! extended enabled ${amd3dnowext-no}"
6760 echo "SSE enabled ${sse-no}"
6761 echo "SSSE3 enabled ${ssse3-no}"
6762 echo "AESNI enabled ${aesni-no}"
6763 echo "AVX enabled ${avx-no}"
6764 echo "AVX2 enabled ${avx2-no}"
6765 echo "AVX-512 enabled ${avx512-no}"
6766 echo "XOP enabled ${xop-no}"
6767 echo "FMA3 enabled ${fma3-no}"
6768 echo "FMA4 enabled ${fma4-no}"
6769 echo "i686 features enabled ${i686-no}"
6770 echo "CMOV is fast ${fast_cmov-no}"
6771 echo "EBX available ${ebx_available-no}"
6772 echo "EBP available ${ebp_available-no}"
6774 if enabled aarch64; then
6775 echo "NEON enabled ${neon-no}"
6776 echo "VFP enabled ${vfp-no}"
6778 if enabled arm; then
6779 echo "ARMv5TE enabled ${armv5te-no}"
6780 echo "ARMv6 enabled ${armv6-no}"
6781 echo "ARMv6T2 enabled ${armv6t2-no}"
6782 echo "VFP enabled ${vfp-no}"
6783 echo "NEON enabled ${neon-no}"
6784 echo "THUMB enabled ${thumb-no}"
6786 if enabled mips; then
6787 echo "MIPS FPU enabled ${mipsfpu-no}"
6788 echo "MIPS DSP R1 enabled ${mipsdsp-no}"
6789 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
6790 echo "MIPS MSA enabled ${msa-no}"
6791 echo "LOONGSON MMI enabled ${mmi-no}"
6793 if enabled ppc; then
6794 echo "AltiVec enabled ${altivec-no}"
6795 echo "VSX enabled ${vsx-no}"
6796 echo "POWER8 enabled ${power8-no}"
6797 echo "PPC 4xx optimizations ${ppc4xx-no}"
6798 echo "dcbzl available ${dcbzl-no}"
6800 echo "debug symbols ${debug-no}"
6801 echo "strip symbols ${stripping-no}"
6802 echo "optimize for size ${small-no}"
6803 echo "optimizations ${optimizations-no}"
6804 echo "static ${static-no}"
6805 echo "shared ${shared-no}"
6806 echo "postprocessing support ${postproc-no}"
6807 echo "network support ${network-no}"
6808 echo "threading support ${thread_type-no}"
6809 echo "safe bitstream reader ${safe_bitstream_reader-no}"
6810 echo "texi2html enabled ${texi2html-no}"
6811 echo "perl enabled ${perl-no}"
6812 echo "pod2man enabled ${pod2man-no}"
6813 echo "makeinfo enabled ${makeinfo-no}"
6814 echo "makeinfo supports HTML ${makeinfo_html-no}"
6815 test -n "$random_seed" &&
6816 echo "random seed ${random_seed}"
6819 echo "External libraries:"
6820 print_enabled '' $EXTERNAL_LIBRARY_LIST $EXTERNAL_AUTODETECT_LIBRARY_LIST | print_in_columns
6823 echo "External libraries providing hardware acceleration:"
6824 print_enabled '' $HWACCEL_LIBRARY_LIST $HWACCEL_AUTODETECT_LIBRARY_LIST | print_in_columns
6828 print_enabled '' $LIBRARY_LIST | print_in_columns
6832 print_enabled '' $PROGRAM_LIST | print_in_columns
6835 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
6836 echo "Enabled ${type}s:"
6837 eval list=\$$(toupper $type)_LIST
6838 print_enabled '_*' $list | print_in_columns
6842 if test -n "$ignore_tests"; then
6843 ignore_tests=$(echo $ignore_tests | tr ',' ' ')
6844 echo "Ignored FATE tests:"
6845 echo $ignore_tests | print_in_columns
6849 echo "License: $license"
6851 fi # test "$quiet" != "yes"
6853 if test -n "$WARNINGS"; then
6854 printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"
6855 enabled fatal_warnings && exit 1
6858 test -e Makefile || echo "include $source_path/Makefile" > Makefile
6861 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
6864 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" > ffbuild/config.fate
6866 enabled stripping || strip="echo skipping strip"
6867 enabled stripping || striptype=""
6869 config_files="$TMPH ffbuild/config.mak doc/config.texi"
6871 cat > ffbuild/config.mak <<EOF
6872 # Automatically generated by configure - do not modify!
6873 ifndef FFMPEG_CONFIG_MAK
6875 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
6877 LIBDIR=\$(DESTDIR)$libdir
6878 SHLIBDIR=\$(DESTDIR)$shlibdir
6879 INCDIR=\$(DESTDIR)$incdir
6880 BINDIR=\$(DESTDIR)$bindir
6881 DATADIR=\$(DESTDIR)$datadir
6882 DOCDIR=\$(DESTDIR)$docdir
6883 MANDIR=\$(DESTDIR)$mandir
6884 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
6885 INSTALL_NAME_DIR=$install_name_dir
6886 SRC_PATH=$source_path
6887 SRC_LINK=$source_link
6888 ifndef MAIN_MAKEFILE
6889 SRC_PATH:=\$(SRC_PATH:.%=..%)
6893 INTRINSICS=$intrinsics
6894 EXTERN_PREFIX=$extern_prefix
6901 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
6903 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
6905 DEPX86ASM=$x86asmexe
6906 DEPX86ASMFLAGS=\$(X86ASMFLAGS)
6914 STRIPTYPE=$striptype
6921 OBJCFLAGS=$OBJCFLAGS
6923 NVCCFLAGS=$nvccflags
6945 LDEXEFLAGS=$LDEXEFLAGS
6946 LDSOFLAGS=$LDSOFLAGS
6947 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
6948 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
6949 X86ASMFLAGS=$X86ASMFLAGS
6950 BUILDSUF=$build_suffix
6951 PROGSSUF=$progs_suffix
6959 EXTRA_VERSION=$extra_version
6962 CCDEP_FLAGS=$CCDEP_FLAGS
6964 ASDEP_FLAGS=$ASDEP_FLAGS
6965 X86ASMDEP=$X86ASMDEP
6966 X86ASMDEP_FLAGS=$X86ASMDEP_FLAGS
6967 CC_DEPFLAGS=$CC_DEPFLAGS
6968 AS_DEPFLAGS=$AS_DEPFLAGS
6969 X86ASM_DEPFLAGS=$X86ASM_DEPFLAGS
6972 HOSTCFLAGS=$host_cflags
6973 HOSTCPPFLAGS=$host_cppflags
6974 HOSTEXESUF=$HOSTEXESUF
6975 HOSTLDFLAGS=$host_ldflags
6976 HOSTEXTRALIBS=$host_extralibs
6978 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
6979 HOSTCCDEP=$HOSTCCDEP
6980 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
6981 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
6985 TARGET_EXEC=$target_exec $target_exec_args
6986 TARGET_PATH=$target_path
6987 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
6988 CFLAGS-ffplay=${sdl2_cflags}
6989 CFLAGS_HEADERS=$CFLAGS_HEADERS
6990 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
6991 EXTRALIBS=$extralibs
6992 COMPAT_OBJS=$compat_objs
6994 LIBTARGET=${LIBTARGET}
6995 SLIBNAME=${SLIBNAME}
6996 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
6997 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
6998 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
6999 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
7000 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
7001 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
7002 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
7003 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
7004 VERSION_SCRIPT_POSTPROCESS_CMD=${VERSION_SCRIPT_POSTPROCESS_CMD}
7005 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
7006 NOREDZONE_FLAGS=$noredzone_flags
7007 LIBFUZZER_PATH=$libfuzzer_path
7008 IGNORE_TESTS=$ignore_tests
7011 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> ffbuild/config.mak' $LIBRARY_LIST
7013 for entry in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
7014 eval echo "EXTRALIBS-${entry}=\$${entry}_extralibs" >> ffbuild/config.mak
7018 /* Automatically generated by configure - do not modify! */
7019 #ifndef FFMPEG_CONFIG_H
7020 #define FFMPEG_CONFIG_H
7021 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
7022 #define FFMPEG_LICENSE "$(c_escape $license)"
7023 #define CONFIG_THIS_YEAR 2018
7024 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
7025 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
7026 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
7027 #define av_restrict $restrict_keyword
7028 #define EXTERN_PREFIX "${extern_prefix}"
7029 #define EXTERN_ASM ${extern_prefix}
7030 #define BUILDSUF "$build_suffix"
7031 #define SLIBSUF "$SLIBSUF"
7032 #define HAVE_MMX2 HAVE_MMXEXT
7033 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
7036 test -n "$assert_level" &&
7037 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
7039 test -n "$malloc_prefix" &&
7040 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
7042 if enabled x86asm; then
7043 append config_files $TMPASM
7045 ; Automatically generated by configure - do not modify!
7049 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
7055 echo "@c auto-generated by configure - do not modify! " > doc/config.texi
7057 print_config ARCH_ "$config_files" $ARCH_LIST
7058 print_config HAVE_ "$config_files" $HAVE_LIST
7059 print_config CONFIG_ "$config_files" $CONFIG_LIST \
7063 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
7064 echo "endif # FFMPEG_CONFIG_MAK" >> ffbuild/config.mak
7066 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
7067 cp_if_changed $TMPH config.h
7068 touch ffbuild/.config
7070 enabled x86asm && cp_if_changed $TMPASM config.asm
7073 /* Generated by ffmpeg configure */
7074 #ifndef AVUTIL_AVCONFIG_H
7075 #define AVUTIL_AVCONFIG_H
7078 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
7080 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
7082 cp_if_changed $TMPH libavutil/avconfig.h
7084 # generate the lists of enabled components
7085 print_enabled_components(){
7090 echo "static const $struct_name * const $name[] = {" > $TMPH
7095 c=$(add_suffix _demuxer $(remove_suffix _indev $c))
7098 c=$(add_suffix _muxer $(remove_suffix _outdev $c))
7101 printf " &ff_%s,\n" $c >> $TMPH
7104 echo " NULL };" >> $TMPH
7105 cp_if_changed $TMPH $file
7108 print_enabled_components libavcodec/codec_list.c AVCodec codec_list $CODEC_LIST
7109 print_enabled_components libavcodec/parser_list.c AVCodecParser parser_list $PARSER_LIST
7110 print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST
7111 print_enabled_components libavdevice/indev_list.c AVInputFormat indev_list $INDEV_LIST
7112 print_enabled_components libavdevice/outdev_list.c AVOutputFormat outdev_list $OUTDEV_LIST
7113 print_enabled_components libavformat/demuxer_list.c AVInputFormat demuxer_list $DEMUXER_LIST
7114 print_enabled_components libavformat/muxer_list.c AVOutputFormat muxer_list $MUXER_LIST
7115 print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST
7117 # Settings for pkg-config files
7120 # Automatically generated by configure - do not modify!
7122 build_suffix=$build_suffix
7126 rpath=$(enabled rpath && echo "-Wl,-rpath,\${libdir}")
7127 source_path=${source_path}
7130 extralibs_avutil="$avutil_extralibs"
7131 extralibs_avcodec="$avcodec_extralibs"
7132 extralibs_avformat="$avformat_extralibs"
7133 extralibs_avdevice="$avdevice_extralibs"
7134 extralibs_avfilter="$avfilter_extralibs"
7135 extralibs_avresample="$avresample_extralibs"
7136 extralibs_postproc="$postproc_extralibs"
7137 extralibs_swscale="$swscale_extralibs"
7138 extralibs_swresample="$swresample_extralibs"
7141 for lib in $LIBRARY_LIST; do
7142 lib_deps="$(eval echo \$${lib}_deps)"
7143 echo ${lib}_deps=\"$lib_deps\" >> $TMPH
7146 cp_if_changed $TMPH ffbuild/config.sh