3 # FFmpeg configure script
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
10 # Prevent locale nonsense from breaking basic text processing.
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
23 (: ${foo%%bar}) 2> /dev/null
26 (: ${foo?}) 2> /dev/null
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
32 if test "0$FF_CONF_EXEC" -lt 1; then
34 try_exec bash "$0" "$@"
36 if test "0$FF_CONF_EXEC" -lt 2; then
38 try_exec ksh "$0" "$@"
40 if test "0$FF_CONF_EXEC" -lt 3; then
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --quiet Suppress showing informative output
67 --list-decoders show all available decoders
68 --list-encoders show all available encoders
69 --list-hwaccels show all available hardware accelerators
70 --list-demuxers show all available demuxers
71 --list-muxers show all available muxers
72 --list-parsers show all available parsers
73 --list-protocols show all available protocols
74 --list-bsfs show all available bitstream filters
75 --list-indevs show all available input devices
76 --list-outdevs show all available output devices
77 --list-filters show all available filters
80 --logfile=FILE log tests and output to FILE [ffbuild/config.log]
81 --disable-logging do not log configure debug information
82 --fatal-warnings fail if any configure warning is generated
83 --prefix=PREFIX install in PREFIX [$prefix_default]
84 --bindir=DIR install binaries in DIR [PREFIX/bin]
85 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
86 --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg]
87 --libdir=DIR install libs in DIR [PREFIX/lib]
88 --shlibdir=DIR install shared libs in DIR [LIBDIR]
89 --incdir=DIR install includes in DIR [PREFIX/include]
90 --mandir=DIR install man page in DIR [PREFIX/share/man]
91 --pkgconfigdir=DIR install pkg-config files in DIR [LIBDIR/pkgconfig]
92 --enable-rpath use rpath to allow installing libraries in paths
93 not part of the dynamic linker search path
94 use rpath when linking programs (USE WITH CARE)
95 --install-name-dir=DIR Darwin directory name for installed targets
98 --enable-gpl allow use of GPL code, the resulting libs
99 and binaries will be under GPL [no]
100 --enable-version3 upgrade (L)GPL to version 3 [no]
101 --enable-nonfree allow use of nonfree code, the resulting libs
102 and binaries will be unredistributable [no]
104 Configuration options:
105 --disable-static do not build static libraries [no]
106 --enable-shared build shared libraries [no]
107 --enable-small optimize for size instead of speed
108 --disable-runtime-cpudetect disable detecting CPU capabilities at runtime (smaller binary)
109 --enable-gray enable full grayscale support (slower color)
110 --disable-swscale-alpha disable alpha channel support in swscale
111 --disable-all disable building components, libraries and programs
112 --disable-autodetect disable automatically detected external libraries [no]
115 --disable-programs do not build command line programs
116 --disable-ffmpeg disable ffmpeg build
117 --disable-ffplay disable ffplay build
118 --disable-ffprobe disable ffprobe build
119 --disable-ffserver disable ffserver build
121 Documentation options:
122 --disable-doc do not build documentation
123 --disable-htmlpages do not build HTML documentation pages
124 --disable-manpages do not build man documentation pages
125 --disable-podpages do not build POD documentation pages
126 --disable-txtpages do not build text documentation pages
129 --disable-avdevice disable libavdevice build
130 --disable-avcodec disable libavcodec build
131 --disable-avformat disable libavformat build
132 --disable-swresample disable libswresample build
133 --disable-swscale disable libswscale build
134 --disable-postproc disable libpostproc build
135 --disable-avfilter disable libavfilter build
136 --enable-avresample enable libavresample build [no]
137 --disable-pthreads disable pthreads [autodetect]
138 --disable-w32threads disable Win32 threads [autodetect]
139 --disable-os2threads disable OS/2 threads [autodetect]
140 --disable-network disable network support [no]
141 --disable-dct disable DCT code
142 --disable-dwt disable DWT code
143 --disable-error-resilience disable error resilience code
144 --disable-lsp disable LSP code
145 --disable-lzo disable LZO decoder code
146 --disable-mdct disable MDCT code
147 --disable-rdft disable RDFT code
148 --disable-fft disable FFT code
149 --disable-faan disable floating point AAN (I)DCT code
150 --disable-pixelutils disable pixel utils in libavutil
152 Individual component options:
153 --disable-everything disable all components listed below
154 --disable-encoder=NAME disable encoder NAME
155 --enable-encoder=NAME enable encoder NAME
156 --disable-encoders disable all encoders
157 --disable-decoder=NAME disable decoder NAME
158 --enable-decoder=NAME enable decoder NAME
159 --disable-decoders disable all decoders
160 --disable-hwaccel=NAME disable hwaccel NAME
161 --enable-hwaccel=NAME enable hwaccel NAME
162 --disable-hwaccels disable all hwaccels
163 --disable-muxer=NAME disable muxer NAME
164 --enable-muxer=NAME enable muxer NAME
165 --disable-muxers disable all muxers
166 --disable-demuxer=NAME disable demuxer NAME
167 --enable-demuxer=NAME enable demuxer NAME
168 --disable-demuxers disable all demuxers
169 --enable-parser=NAME enable parser NAME
170 --disable-parser=NAME disable parser NAME
171 --disable-parsers disable all parsers
172 --enable-bsf=NAME enable bitstream filter NAME
173 --disable-bsf=NAME disable bitstream filter NAME
174 --disable-bsfs disable all bitstream filters
175 --enable-protocol=NAME enable protocol NAME
176 --disable-protocol=NAME disable protocol NAME
177 --disable-protocols disable all protocols
178 --enable-indev=NAME enable input device NAME
179 --disable-indev=NAME disable input device NAME
180 --disable-indevs disable input devices
181 --enable-outdev=NAME enable output device NAME
182 --disable-outdev=NAME disable output device NAME
183 --disable-outdevs disable output devices
184 --disable-devices disable all devices
185 --enable-filter=NAME enable filter NAME
186 --disable-filter=NAME disable filter NAME
187 --disable-filters disable all filters
188 --disable-v4l2_m2m disable V4L2 mem2mem code [autodetect]
190 External library support:
192 Using any of the following switches will allow FFmpeg to link to the
193 corresponding external library. All the components depending on that library
194 will become enabled, if all their other dependencies are met and they are not
195 explicitly disabled. E.g. --enable-libwavpack will enable linking to
196 libwavpack and allow the libwavpack encoder to be built, unless it is
197 specifically disabled with --disable-encoder=libwavpack.
199 Note that only the system libraries are auto-detected. All the other external
200 libraries must be explicitly enabled.
202 Also note that the following help text describes the purpose of the libraries
203 themselves, not all their features will necessarily be usable by FFmpeg.
205 --disable-alsa disable ALSA support [autodetect]
206 --disable-appkit disable Apple AppKit framework [autodetect]
207 --disable-avfoundation disable Apple AVFoundation framework [autodetect]
208 --enable-avisynth enable reading of AviSynth script files [no]
209 --disable-bzlib disable bzlib [autodetect]
210 --disable-coreimage disable Apple CoreImage framework [autodetect]
211 --enable-chromaprint enable audio fingerprinting with chromaprint [no]
212 --enable-frei0r enable frei0r video filtering [no]
213 --enable-gcrypt enable gcrypt, needed for rtmp(t)e support
214 if openssl, librtmp or gmp is not used [no]
215 --enable-gmp enable gmp, needed for rtmp(t)e support
216 if openssl or librtmp is not used [no]
217 --enable-gnutls enable gnutls, needed for https support
218 if openssl is not used [no]
219 --disable-iconv disable iconv [autodetect]
220 --enable-jni enable JNI support [no]
221 --enable-ladspa enable LADSPA audio filtering [no]
222 --enable-libass enable libass subtitles rendering,
223 needed for subtitles and ass filter [no]
224 --enable-libbluray enable BluRay reading using libbluray [no]
225 --enable-libbs2b enable bs2b DSP library [no]
226 --enable-libcaca enable textual display using libcaca [no]
227 --enable-libcelt enable CELT decoding via libcelt [no]
228 --enable-libcdio enable audio CD grabbing with libcdio [no]
229 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
231 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
232 --enable-libflite enable flite (voice synthesis) support via libflite [no]
233 --enable-libfontconfig enable libfontconfig, useful for drawtext filter [no]
234 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
235 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
236 --enable-libgme enable Game Music Emu via libgme [no]
237 --enable-libgsm enable GSM de/encoding via libgsm [no]
238 --enable-libiec61883 enable iec61883 via libiec61883 [no]
239 --enable-libilbc enable iLBC de/encoding via libilbc [no]
240 --enable-libjack enable JACK audio sound server [no]
241 --enable-libkvazaar enable HEVC encoding via libkvazaar [no]
242 --enable-libmodplug enable ModPlug via libmodplug [no]
243 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
244 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
245 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
246 --enable-libopencv enable video filtering via libopencv [no]
247 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
248 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
249 --enable-libopenmpt enable decoding tracked files via libopenmpt [no]
250 --enable-libopus enable Opus de/encoding via libopus [no]
251 --enable-libpulse enable Pulseaudio input via libpulse [no]
252 --enable-librsvg enable SVG rasterization via librsvg [no]
253 --enable-librubberband enable rubberband needed for rubberband filter [no]
254 --enable-librtmp enable RTMP[E] support via librtmp [no]
255 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
256 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
257 --enable-libsnappy enable Snappy compression, needed for hap encoding [no]
258 --enable-libsoxr enable Include libsoxr resampling [no]
259 --enable-libspeex enable Speex de/encoding via libspeex [no]
260 --enable-libssh enable SFTP protocol via libssh [no]
261 --enable-libtesseract enable Tesseract, needed for ocr filter [no]
262 --enable-libtheora enable Theora encoding via libtheora [no]
263 --enable-libtwolame enable MP2 encoding via libtwolame [no]
264 --enable-libv4l2 enable libv4l2/v4l-utils [no]
265 --enable-libvidstab enable video stabilization using vid.stab [no]
266 --enable-libvmaf enable vmaf filter via libvmaf [no]
267 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
268 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
269 native implementation exists [no]
270 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
271 --enable-libwavpack enable wavpack encoding via libwavpack [no]
272 --enable-libwebp enable WebP encoding via libwebp [no]
273 --enable-libx264 enable H.264 encoding via x264 [no]
274 --enable-libx265 enable HEVC encoding via x265 [no]
275 --enable-libxavs enable AVS encoding via xavs [no]
276 --enable-libxcb enable X11 grabbing using XCB [autodetect]
277 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
278 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
279 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
280 --enable-libxvid enable Xvid encoding via xvidcore,
281 native MPEG-4/Xvid encoder exists [no]
282 --enable-libxml2 enable XML parsing using the C library libxml2 [no]
283 --enable-libzimg enable z.lib, needed for zscale filter [no]
284 --enable-libzmq enable message passing via libzmq [no]
285 --enable-libzvbi enable teletext support via libzvbi [no]
286 --enable-lv2 enable LV2 audio filtering [no]
287 --disable-lzma disable lzma [autodetect]
288 --enable-decklink enable Blackmagic DeckLink I/O support [no]
289 --enable-libndi_newtek enable Newteck NDI I/O support [no]
290 --enable-mediacodec enable Android MediaCodec support [no]
291 --enable-libmysofa enable libmysofa, needed for sofalizer filter [no]
292 --enable-openal enable OpenAL 1.1 capture support [no]
293 --enable-opencl enable OpenCL processing [no]
294 --enable-opengl enable OpenGL rendering [no]
295 --enable-openssl enable openssl, needed for https support
296 if gnutls is not used [no]
297 --disable-sndio disable sndio support [autodetect]
298 --disable-schannel disable SChannel SSP, needed for TLS support on
299 Windows if openssl and gnutls are not used [autodetect]
300 --disable-sdl2 disable sdl2 [autodetect]
301 --disable-securetransport disable Secure Transport, needed for TLS support
302 on OSX if openssl and gnutls are not used [autodetect]
303 --disable-xlib disable xlib [autodetect]
304 --disable-zlib disable zlib [autodetect]
306 The following libraries provide various hardware acceleration features:
307 --disable-amf disable AMF video encoding code [autodetect]
308 --disable-audiotoolbox disable Apple AudioToolbox code [autodetect]
309 --disable-cuda disable dynamically linked Nvidia CUDA 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 --enable-libdrm enable DRM code (Linux) [no]
315 --enable-libmfx enable Intel MediaSDK (AKA Quick Sync Video) code via libmfx [no]
316 --enable-libnpp enable Nvidia Performance Primitives-based code [no]
317 --enable-mmal enable Broadcom Multi-Media Abstraction Layer (Raspberry Pi) via MMAL [no]
318 --disable-nvdec disable Nvidia video decoding acceleration (via hwaccel) [autodetect]
319 --disable-nvenc disable Nvidia video encoding code [autodetect]
320 --enable-omx enable OpenMAX IL code [no]
321 --enable-omx-rpi enable OpenMAX IL code for Raspberry Pi [no]
322 --enable-rkmpp enable Rockchip Media Process Platform code [no]
323 --disable-vaapi disable Video Acceleration API (mainly Unix/Intel) code [autodetect]
324 --disable-vdpau disable Nvidia Video Decode and Presentation API for Unix code [autodetect]
325 --disable-videotoolbox disable VideoToolbox code [autodetect]
328 --arch=ARCH select architecture [$arch]
329 --cpu=CPU select the minimum required CPU (affects
330 instruction selection, may crash on older CPUs)
331 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
332 --progs-suffix=SUFFIX program name suffix []
333 --enable-cross-compile assume a cross-compiler is used
334 --sysroot=PATH root of cross-build tree
335 --sysinclude=PATH location of cross-build system headers
336 --target-os=OS compiler targets OS [$target_os]
337 --target-exec=CMD command to run executables on target
338 --target-path=DIR path to view of build directory on target
339 --target-samples=DIR path to samples directory on target
340 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
341 --toolchain=NAME set tool defaults according to NAME
342 --nm=NM use nm tool NM [$nm_default]
343 --ar=AR use archive tool AR [$ar_default]
344 --as=AS use assembler AS [$as_default]
345 --ln_s=LN_S use symbolic link tool LN_S [$ln_s_default]
346 --strip=STRIP use strip tool STRIP [$strip_default]
347 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
348 --x86asmexe=EXE use nasm-compatible assembler EXE [$x86asmexe_default]
349 --cc=CC use C compiler CC [$cc_default]
350 --cxx=CXX use C compiler CXX [$cxx_default]
351 --objcc=OCC use ObjC compiler OCC [$cc_default]
352 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
353 --nvcc=NVCC use Nvidia CUDA compiler NVCC [$nvcc_default]
354 --ld=LD use linker LD [$ld_default]
355 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
356 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
357 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
358 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
359 --host-cc=HOSTCC use host C compiler HOSTCC
360 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
361 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
362 --host-ld=HOSTLD use host linker HOSTLD
363 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
364 --host-libs=HLIBS use libs HLIBS when linking for host
365 --host-os=OS compiler host OS [$target_os]
366 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
367 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
368 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
369 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
370 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
371 --extra-ldsoflags=ELDFLAGS add ELDFLAGS to LDSOFLAGS [$LDSOFLAGS]
372 --extra-libs=ELIBS add ELIBS [$ELIBS]
373 --extra-version=STRING version string suffix []
374 --optflags=OPTFLAGS override optimization-related compiler flags
375 --nvccflags=NVCCFLAGS override nvcc flags [$nvccflags_default]
376 --build-suffix=SUFFIX library name suffix []
377 --enable-pic build position-independent code
378 --enable-thumb compile for Thumb instruction set
379 --enable-lto use link-time optimization
380 --env="ENV=override" override the environment variables
382 Advanced options (experts only):
383 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
384 --custom-allocator=NAME use a supported custom allocator
385 --disable-symver disable symbol versioning
386 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
387 --disable-safe-bitstream-reader
388 disable buffer boundary checking in bitreaders
389 (faster, but may crash)
390 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
392 Optimization options (experts only):
393 --disable-asm disable all assembly optimizations
394 --disable-altivec disable AltiVec optimizations
395 --disable-vsx disable VSX optimizations
396 --disable-power8 disable POWER8 optimizations
397 --disable-amd3dnow disable 3DNow! optimizations
398 --disable-amd3dnowext disable 3DNow! extended optimizations
399 --disable-mmx disable MMX optimizations
400 --disable-mmxext disable MMXEXT optimizations
401 --disable-sse disable SSE optimizations
402 --disable-sse2 disable SSE2 optimizations
403 --disable-sse3 disable SSE3 optimizations
404 --disable-ssse3 disable SSSE3 optimizations
405 --disable-sse4 disable SSE4 optimizations
406 --disable-sse42 disable SSE4.2 optimizations
407 --disable-avx disable AVX optimizations
408 --disable-xop disable XOP optimizations
409 --disable-fma3 disable FMA3 optimizations
410 --disable-fma4 disable FMA4 optimizations
411 --disable-avx2 disable AVX2 optimizations
412 --disable-aesni disable AESNI optimizations
413 --disable-armv5te disable armv5te optimizations
414 --disable-armv6 disable armv6 optimizations
415 --disable-armv6t2 disable armv6t2 optimizations
416 --disable-vfp disable VFP optimizations
417 --disable-neon disable NEON optimizations
418 --disable-inline-asm disable use of inline assembly
419 --disable-x86asm disable use of standalone x86 assembly
420 --disable-mipsdsp disable MIPS DSP ASE R1 optimizations
421 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
422 --disable-msa disable MSA optimizations
423 --disable-mipsfpu disable floating point MIPS optimizations
424 --disable-mmi disable Loongson SIMD optimizations
425 --disable-fast-unaligned consider unaligned accesses slow
427 Developer options (useful when working on FFmpeg itself):
428 --disable-debug disable debugging symbols
429 --enable-debug=LEVEL set the debug level [$debuglevel]
430 --disable-optimizations disable compiler optimizations
431 --enable-extra-warnings enable more compiler warnings
432 --disable-stripping disable stripping of executables and shared libraries
433 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
434 2 causes a slowdown at runtime.
435 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
436 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
437 leaks and errors, using the specified valgrind binary.
438 Cannot be combined with --target-exec
439 --enable-ftrapv Trap arithmetic overflows
440 --samples=PATH location of test samples for FATE, if not set use
441 \$FATE_SAMPLES at make invocation time.
442 --enable-neon-clobber-test check NEON registers for clobbering (should be
443 used only for debugging purposes)
444 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
445 should be used only for debugging purposes)
446 --enable-random randomly enable/disable components
448 --enable-random=LIST randomly enable/disable specific components or
449 --disable-random=LIST component groups. LIST is a comma-separated list
450 of NAME[:PROB] entries where NAME is a component
451 (group) and PROB the probability associated with
453 --random-seed=VALUE seed value for --enable/disable-random
454 --disable-valgrind-backtrace do not print a backtrace under Valgrind
455 (only applies to --disable-optimizations builds)
456 --enable-osfuzz Enable building fuzzer tool
457 --libfuzzer=PATH path to libfuzzer
458 --ignore-tests=TESTS comma-separated list (without "fate-" prefix
459 in the name) of tests whose result is ignored
460 --enable-linux-perf enable Linux Performance Monitor API
462 NOTE: Object files are built at the place where configure is launched.
467 if test -t 1 && which tput >/dev/null 2>&1; then
468 ncolors=$(tput colors)
469 if test -n "$ncolors" && test $ncolors -ge 8; then
470 bold_color=$(tput bold)
471 warn_color=$(tput setaf 3)
472 error_color=$(tput setaf 1)
473 reset_color=$(tput sgr0)
475 # 72 used instead of 80 since that's the default of pr
481 echo "$@" >> $logfile
486 pr -n -t $1 >> $logfile
492 WARNINGS="${WARNINGS}WARNING: $*\n"
497 echo "$error_color$bold_color$@$reset_color"
500 If you think configure made a mistake, make sure you are using the latest
501 version from Git. If the latest version fails, report the problem to the
502 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
504 if disabled logging; then
506 Rerun configure with logging enabled (do not use --disable-logging), and
507 include the log this produces with your report.
511 Include the log file "$logfile" produced by configure as this will help
518 # Avoid locale weirdness, besides we really just want to translate ASCII.
520 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
524 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
528 echo "$*" | sed 's/["\\]/\\\0/g'
532 v=$(echo "$1" | sed "s/'/'\\\\''/g")
533 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
538 echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
545 eval "case '$v' in $pat) printf '%s ' '$v' ;; esac"
553 eval "case '$v' in $pat) ;; *) printf '%s ' '$v' ;; esac"
560 for v; do eval $m; done
566 for v; do echo ${v}${suffix}; done
581 eval : \${$var:=$value}
586 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
592 eval $(sanitize_var_name "$var")='$*'
596 eval echo \$$(sanitize_var_name "$1")
601 eval level=\${${pvar}_level:=0}
602 eval ${pvar}_${level}="\$$pvar"
603 eval ${pvar}_level=$(($level+1))
609 eval level=\${${pvar}_level:-0}
610 test $level = 0 && continue
611 eval level=$(($level-1))
612 eval $pvar="\${${pvar}_${level}}"
613 eval ${pvar}_level=$level
614 eval unset ${pvar}_${level}
620 eval ${var}_requested=yes
643 enable $(sanitize_var_name $var)
649 disable $(sanitize_var_name $var)
655 enabled $var && continue
656 eval sel="\$${var}_select"
657 eval sgs="\$${var}_suggest"
661 enable_deep_weak $sgs
673 disabled $var && continue
682 test "${1#!}" = "$1" && op="=" || op="!="
683 eval test "x\$${1#!}_requested" $op "xyes"
687 test "${1#!}" = "$1" && op="=" || op="!="
688 eval test "x\$${1#!}" $op "xyes"
692 test "${1#!}" = "$1" && op="=" || op="!="
693 eval test "x\$${1#!}" $op "xno"
698 enabled $opt || return 1
704 disabled $opt || return 1
710 enabled $opt && return 0
716 disabled $opt && return 0
723 eval : \${$opt:=\$${opt}_default}
731 [ $var = $value ] && return 0
738 enabled ${cfg}_checking && die "Circular dependency for $cfg."
739 disabled ${cfg}_checking && continue
740 enable ${cfg}_checking
742 eval dep_all="\$${cfg}_deps"
743 eval dep_any="\$${cfg}_deps_any"
744 eval dep_con="\$${cfg}_conflict"
745 eval dep_sel="\$${cfg}_select"
746 eval dep_sgs="\$${cfg}_suggest"
747 eval dep_ifa="\$${cfg}_if"
748 eval dep_ifn="\$${cfg}_if_any"
750 pushvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
751 check_deps $dep_all $dep_any $dep_con $dep_sel $dep_sgs $dep_ifa $dep_ifn
752 popvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
754 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
755 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
756 enabled_all $dep_all || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not all dependencies are satisfied: $dep_all"; }
757 enabled_any $dep_any || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not any dependency is satisfied: $dep_any"; }
758 disabled_all $dep_con || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some conflicting dependencies are unsatisfied: $dep_con"; }
759 disabled_any $dep_sel && { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some selected dependency is unsatisfied: $dep_sel"; }
761 enabled $cfg && enable_deep_weak $dep_sel $dep_sgs
763 for dep in $dep_all $dep_any $dep_sel $dep_sgs; do
764 # filter out library deps, these do not belong in extralibs
765 is_in $dep $LIBRARY_LIST && continue
766 enabled $dep && eval append ${cfg}_extralibs ${dep}_extralibs
769 disable ${cfg}_checking
777 map 'eval echo "$v \${$v:-no}"' "$@" |
778 awk "BEGIN { split(\"$files\", files) }
780 c = \"$pfx\" toupper(\$1);
786 if (file ~ /\\.h\$/) {
787 printf(\"#define %s %d\\n\", c, v) >>file;
788 } else if (file ~ /\\.asm\$/) {
789 printf(\"%%define %s %d\\n\", c, v) >>file;
790 } else if (file ~ /\\.mak\$/) {
791 n = -v ? \"\" : \"!\";
792 printf(\"%s%s=yes\\n\", n, c) >>file;
793 } else if (file ~ /\\.texi\$/) {
794 pre = -v ? \"\" : \"@c \";
797 gsub(/_/, \"-\", c2);
798 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
808 enabled $v && printf "%s\n" ${v%$suf}
815 eval "$var=\"\$$var $*\""
821 eval "$var=\"$* \$$var\""
827 for tok in $(eval echo \$$var); do
828 uniq_list="$(filter_out $tok $uniq_list) $tok"
830 eval "$var=\"${uniq_list}\""
836 for entry in $(eval echo \$$var); do
837 tmpvar="$tmpvar $(eval echo \$${entry})"
839 eval "$var=\"${tmpvar}\""
847 append CFLAGS $($cflags_filter "$@")
850 add_cflags_headers(){
851 append CFLAGS_HEADERS $($cflags_filter "$@")
855 append CXXFLAGS $($cflags_filter "$@")
859 append ASFLAGS $($asflags_filter "$@")
863 append OBJCFLAGS $($objcflags_filter "$@")
867 append LDFLAGS $($ldflags_filter "$@")
871 append LDEXEFLAGS $($ldflags_filter "$@")
875 append LDSOFLAGS $($ldflags_filter "$@")
879 append ASMSTRIPFLAGS "$@"
883 prepend extralibs $($ldflags_filter "$@")
887 append host_cppflags "$@"
891 append host_cflags $($host_cflags_filter "$@")
895 append host_ldflags $($host_ldflags_filter "$@")
899 append compat_objs $1
901 map 'add_cppflags -D$v' "$@"
906 "$@" >> $logfile 2>&1
911 stat "$1" >> $logfile 2>&1
915 eval printf '%s\\n' $CC_O
919 eval printf '%s\\n' $CC_E
926 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
933 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
940 check_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
947 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
951 eval printf '%s\\n' $AS_O
958 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
962 log check_inline_asm "$@"
967 check_cc "$@" <<EOF && enable $name
968 void foo(void){ __asm__ volatile($code); }
972 check_inline_asm_flags(){
973 log check_inline_asm_flags "$@"
978 while [ "$1" != "" ]; do
984 void foo(void){ __asm__ volatile($code); }
987 check_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&
988 enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags
993 check_inline_asm ${1}_inline "\"$2\""
994 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
998 log check_x86asm "$@"
1002 check_cmd $x86asmexe $X86ASMFLAGS -Werror "$@" -o $TMPO $TMPS
1006 eval printf '%s\\n' $LD_O
1013 flags=$(filter_out '-l*|*.so' $@)
1014 libs=$(filter '-l*|*.so' $@)
1015 check_$type $($cflags_filter $flags) || return
1016 flags=$($ldflags_filter $flags)
1017 libs=$($ldflags_filter $libs)
1018 check_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
1023 test "${hdr%.h}" = "${hdr}" &&
1024 echo "#include $hdr" ||
1025 echo "#include <$hdr>"
1035 for hdr in $headers; do
1038 echo "int main(void) { $code; return 0; }"
1039 } | check_$check "$@"
1043 log check_cppflags "$@"
1044 check_cpp "$@" <<EOF && append CPPFLAGS "$@"
1050 log test_cflags "$@"
1051 set -- $($cflags_filter "$@")
1058 log check_cflags "$@"
1059 test_cflags "$@" && add_cflags "$@"
1063 log check_cxxflags "$@"
1064 set -- $($cflags_filter "$@")
1065 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
1071 log test_objcflags "$@"
1072 set -- $($objcflags_filter "$@")
1073 check_objcc "$@" <<EOF
1079 log check_objcflags "$@"
1080 test_objcflags "$@" && add_objcflags "$@"
1084 log test_ldflags "$@"
1085 set -- $($ldflags_filter "$@")
1086 check_ld "cc" "$@" <<EOF
1087 int main(void){ return 0; }
1092 log check_ldflags "$@"
1093 test_ldflags "$@" && add_ldflags "$@"
1097 log test_stripflags "$@"
1098 # call check_cc to get a fresh TMPO
1100 int main(void) { return 0; }
1102 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1106 log check_stripflags "$@"
1107 test_stripflags "$@" && add_stripflags "$@"
1111 log check_header "$@"
1114 disable_sanitized $headers
1116 for hdr in $headers; do
1120 } | check_cpp "$@" && enable_sanitized $headers
1123 check_header_objcc(){
1124 log check_header_objcc "$@"
1128 disable_sanitized $header
1130 echo "#include <$header>"
1131 echo "int main(void) { return 0; }"
1132 } | check_objcc && check_stat "$TMPO" && enable_sanitized $header
1135 check_apple_framework(){
1136 log check_apple_framework "$@"
1138 name="$(tolower $framework)"
1139 header="${framework}/${framework}.h"
1141 check_header_objcc $header &&
1142 enable $name && eval ${name}_extralibs='"-framework $framework"'
1150 check_ld "cc" "$@" <<EOF && enable $func
1152 int main(void){ $func(); }
1156 check_complexfunc(){
1157 log check_complexfunc "$@"
1161 test $narg = 2 && args="f, g" || args="f * I"
1163 check_ld "cc" "$@" <<EOF && enable $func
1164 #include <complex.h>
1166 float foo(complex float f, complex float g) { return $func($args); }
1167 int main(void){ return (int) foo; }
1172 log check_mathfunc "$@"
1176 test $narg = 2 && args="f, g" || args="f"
1178 check_ld "cc" "$@" <<EOF && enable $func
1180 float foo(float f, float g) { return $func($args); }
1181 int main(void){ return (int) foo; }
1185 check_func_headers(){
1186 log check_func_headers "$@"
1191 for hdr in $headers; do
1194 echo "#include <stdint.h>"
1195 for func in $funcs; do
1196 echo "long check_$func(void) { return (long) $func; }"
1198 echo "int main(void) { int ret = 0;"
1199 # LTO could optimize out the test functions without this
1200 for func in $funcs; do
1201 echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"
1203 echo "return ret; }"
1204 } | check_ld "cc" "$@" && enable $funcs && enable_sanitized $headers
1207 check_class_headers_cpp(){
1208 log check_class_headers_cpp "$@"
1213 for hdr in $headers; do
1214 echo "#include <$hdr>"
1216 echo "int main(void) { "
1218 for class in $classes; do
1219 echo "$class obj$i;"
1223 } | check_ld "cxx" "$@" && enable $funcs && enable_sanitized $headers
1226 check_cpp_condition(){
1227 log check_cpp_condition "$@"
1231 check_cpp "$@" <<EOF
1234 #error "unsatisfied condition: $condition"
1240 log test_cflags_cc "$@"
1245 set -- $($cflags_filter "$flags")
1249 #error "unsatisfied condition: $condition"
1261 check_func_headers "$headers" "$funcs" "$@" &&
1262 enable $name && eval ${name}_extralibs="\$@"
1266 log check_lib_cpp "$@"
1272 check_class_headers_cpp "$headers" "$classes" "$@" &&
1273 enable $name && eval ${name}_extralibs="\$@"
1277 log test_pkg_config "$@"
1285 check_cmd $pkg_config --exists --print-errors $pkg_version || return
1286 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1287 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1288 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1290 set_sanitized "${name}_cflags" $pkg_cflags &&
1291 set_sanitized "${name}_extralibs" $pkg_libs
1295 log check_pkg_config "$@"
1297 test_pkg_config "$@" &&
1298 eval add_cflags \$${name}_cflags
1302 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1306 log check_exec_crash "$@"
1309 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1310 # are safe but may not be available everywhere. Thus we use
1311 # raise(SIGTERM) instead. The check is run in a subshell so we
1312 # can redirect the "Terminated" message from the shell. SIGBUS
1313 # is not defined by standard C so it is used conditionally.
1315 (check_exec "$@") >> $logfile 2>&1 <<EOF
1317 static void sighandler(int sig){
1323 int (*func_ptr)(void) = foo;
1325 signal(SIGILL, sighandler);
1326 signal(SIGFPE, sighandler);
1327 signal(SIGSEGV, sighandler);
1329 signal(SIGBUS, sighandler);
1341 disable_sanitized "$type"
1342 check_code cc "$headers" "$type v" "$@" && enable_sanitized "$type"
1346 log check_struct "$@"
1351 disable_sanitized "${struct}_${member}"
1352 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1353 enable_sanitized "${struct}_${member}"
1357 log check_builtin "$@"
1363 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1366 check_compile_assert(){
1367 log check_compile_assert "$@"
1373 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1383 check_lib $name "$headers" $func "$@" || die "ERROR: $name_version not found"
1391 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1395 log require_header "$@"
1398 check_header "$headers" "$@" || die "ERROR: $headers not found"
1401 require_cpp_condition(){
1402 log require_cpp_condition "$@"
1406 check_cpp_condition "$header" "$condition" "$@" || die "ERROR: $condition not satisfied"
1409 require_pkg_config(){
1410 log require_pkg_config "$@"
1412 check_pkg_config "$@" || die "ERROR: $pkg_version not found using pkg-config$pkg_config_fail_message"
1416 eval printf '%s\\n' $HOSTCC_E
1420 eval printf '%s\\n' $HOSTCC_O
1424 log check_host_cc "$@"
1427 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1431 log check_host_cpp "$@"
1434 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1437 check_host_cppflags(){
1438 log check_host_cppflags "$@"
1439 check_host_cpp "$@" <<EOF && append host_cppflags "$@"
1444 check_host_cflags(){
1445 log check_host_cflags "$@"
1446 set -- $($host_cflags_filter "$@")
1447 check_host_cc "$@" <<EOF && append host_cflags "$@"
1452 check_host_cpp_condition(){
1453 log check_host_cpp_condition "$@"
1457 check_host_cpp "$@" <<EOF
1460 #error "unsatisfied condition: $condition"
1466 cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1467 mkdir -p "$(dirname $2)"
1471 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1472 # system-dependent things.
1474 AVCODEC_COMPONENTS="
1482 AVDEVICE_COMPONENTS="
1487 AVFILTER_COMPONENTS="
1491 AVFORMAT_COMPONENTS="
1499 $AVDEVICE_COMPONENTS
1500 $AVFILTER_COMPONENTS
1501 $AVFORMAT_COMPONENTS
1505 avio_dir_cmd_example
1506 avio_reading_example
1507 decode_audio_example
1508 decode_video_example
1509 demuxing_decoding_example
1510 encode_audio_example
1511 encode_video_example
1513 filter_audio_example
1514 filtering_audio_example
1515 filtering_video_example
1516 http_multiclient_example
1522 resampling_audio_example
1523 scaling_video_example
1524 transcode_aac_example
1526 vaapi_encode_example
1529 EXTERNAL_AUTODETECT_LIBRARY_LIST="
1549 EXTERNAL_LIBRARY_GPL_LIST="
1561 EXTERNAL_LIBRARY_NONFREE_LIST="
1568 EXTERNAL_LIBRARY_VERSION3_LIST="
1577 EXTERNAL_LIBRARY_GPLV3_LIST="
1581 EXTERNAL_LIBRARY_LIST="
1582 $EXTERNAL_LIBRARY_GPL_LIST
1583 $EXTERNAL_LIBRARY_NONFREE_LIST
1584 $EXTERNAL_LIBRARY_VERSION3_LIST
1585 $EXTERNAL_LIBRARY_GPLV3_LIST
1643 HWACCEL_AUTODETECT_LIBRARY_LIST="
1660 # catchall list of things that require external libs to link
1666 HWACCEL_LIBRARY_NONFREE_LIST="
1671 HWACCEL_LIBRARY_LIST="
1672 $HWACCEL_LIBRARY_NONFREE_LIST
1693 safe_bitstream_reader
1740 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1744 $EXTERNAL_LIBRARY_LIST
1745 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1746 $HWACCEL_LIBRARY_LIST
1747 $HWACCEL_AUTODETECT_LIBRARY_LIST
1779 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1780 $HWACCEL_AUTODETECT_LIBRARY_LIST
1822 ARCH_EXT_LIST_MIPS="
1834 ARCH_EXT_LIST_LOONGSON="
1840 ARCH_EXT_LIST_X86_SIMD="
1869 $ARCH_EXT_LIST_X86_SIMD
1879 $ARCH_EXT_LIST_LOONGSON
1900 sync_val_compare_and_swap
1917 cdio_paranoia_paranoia_h
1920 dev_bktr_ioctl_bt848_h
1921 dev_bktr_ioctl_meteor_h
1923 dev_video_bktr_ioctl_bt848_h
1924 dev_video_meteor_ioctl_meteor_h
1932 machine_ioctl_bt848_h
1933 machine_ioctl_meteor_h
1935 opencv2_core_core_c_h
1998 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
2016 GetProcessAffinityMask
2017 GetProcessMemoryInfo
2020 GetSystemTimeAsFileTime
2043 SetConsoleTextAttribute
2044 SetConsoleCtrlHandler
2052 UTGetOSTypeFromString
2064 TOOLCHAIN_FEATURES="
2076 inline_asm_direct_symbol_refs
2078 inline_asm_nonlocal_labels
2089 CONDITION_VARIABLE_Ptr
2090 kCMVideoCodecType_HEVC
2093 struct_group_source_req
2094 struct_ip_mreq_source
2096 struct_msghdr_msg_flags
2098 struct_rusage_ru_maxrss
2099 struct_sctp_event_subscribe
2101 struct_sockaddr_sa_len
2102 struct_sockaddr_storage
2103 struct_stat_st_mtim_tv_nsec
2104 struct_v4l2_frmivalenum_discrete
2109 $(add_suffix _external $ARCH_EXT_LIST)
2110 $(add_suffix _inline $ARCH_EXT_LIST)
2131 opencl_vaapi_beignet
2132 opencl_vaapi_intel_media
2138 # options emitted with CONFIG_ prefix but not available on the command line
2160 frame_thread_encoder
2316 # code dependency declarations
2318 # architecture extensions
2323 armv8_deps="aarch64"
2324 neon_deps_any="aarch64 arm"
2325 intrinsics_neon_deps="neon"
2326 vfp_deps_any="aarch64 arm"
2330 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2339 loongson2_deps="mips"
2340 loongson3_deps="mips"
2341 mips32r2_deps="mips"
2342 mips32r5_deps="mips"
2343 mips32r6_deps="mips"
2344 mips64r2_deps="mips"
2345 mips64r6_deps="mips"
2348 mipsdspr2_deps="mips"
2353 x86_64_select="i686"
2354 x86_64_suggest="fast_cmov"
2357 amd3dnowext_deps="amd3dnow"
2374 mmx_external_deps="x86asm"
2375 mmx_inline_deps="inline_asm x86"
2376 mmx_suggest="mmx_external mmx_inline"
2378 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2379 eval dep=\$${ext}_deps
2380 eval ${ext}_external_deps='"${dep}_external"'
2381 eval ${ext}_inline_deps='"${dep}_inline"'
2382 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2385 aligned_stack_if_any="aarch64 ppc x86"
2386 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2387 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2388 fast_unaligned_if_any="aarch64 ppc x86"
2389 simd_align_16_if_any="altivec neon sse"
2390 simd_align_32_if_any="avx"
2392 # system capabilities
2393 symver_if_any="symver_asm_label symver_gnu_asm"
2394 valgrind_backtrace_conflict="optimizations"
2395 valgrind_backtrace_deps="valgrind_valgrind_h"
2398 atomics_gcc_if="sync_val_compare_and_swap"
2399 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2400 atomics_win32_if="MemoryBarrier"
2401 atomics_native_if_any="$ATOMICS_LIST"
2402 w32threads_deps="atomics_native"
2403 threads_if_any="$THREADS_LIST"
2406 cbs_h264_select="cbs golomb"
2407 cbs_h265_select="cbs golomb"
2408 cbs_mpeg2_select="cbs"
2410 dirac_parse_select="golomb"
2411 error_resilience_select="me_cmp"
2413 faandct_select="fdctdsp"
2414 faanidct_deps="faan"
2415 faanidct_select="idctdsp"
2416 h264dsp_select="startcode"
2417 hevcparse_select="golomb"
2418 frame_thread_encoder_deps="encoders threads"
2419 intrax8_select="blockdsp idctdsp"
2422 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2423 mpeg_er_select="error_resilience"
2424 mpegaudio_select="mpegaudiodsp mpegaudioheader"
2425 mpegaudiodsp_select="dct"
2426 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2427 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2428 vc1dsp_select="h264chroma qpeldsp startcode"
2431 # decoders / encoders
2432 aac_decoder_select="adts_header mdct15 mdct sinewin"
2433 aac_fixed_decoder_select="mdct sinewin"
2434 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2435 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2436 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2437 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2438 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2439 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2440 adpcm_g722_decoder_select="g722dsp"
2441 adpcm_g722_encoder_select="g722dsp"
2442 aic_decoder_select="golomb idctdsp"
2443 alac_encoder_select="lpc"
2444 als_decoder_select="bswapdsp"
2445 amrnb_decoder_select="lsp"
2446 amrwb_decoder_select="lsp"
2447 amv_decoder_select="sp5x_decoder exif"
2448 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2449 ape_decoder_select="bswapdsp llauddsp"
2450 apng_decoder_deps="zlib"
2451 apng_encoder_deps="zlib"
2452 apng_encoder_select="llvidencdsp"
2453 aptx_decoder_select="audio_frame_queue"
2454 aptx_encoder_select="audio_frame_queue"
2455 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2456 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2457 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2458 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2459 atrac1_decoder_select="mdct sinewin"
2460 atrac3_decoder_select="mdct"
2461 atrac3p_decoder_select="mdct sinewin"
2462 avrn_decoder_select="exif jpegtables"
2463 bink_decoder_select="blockdsp hpeldsp"
2464 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2465 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2466 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2467 clearvideo_decoder_select="idctdsp"
2468 cllc_decoder_select="bswapdsp"
2469 comfortnoise_encoder_select="lpc"
2470 cook_decoder_select="audiodsp mdct sinewin"
2471 cscd_decoder_select="lzo"
2472 cscd_decoder_suggest="zlib"
2473 dca_decoder_select="mdct"
2474 dds_decoder_select="texturedsp"
2475 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2476 dnxhd_decoder_select="blockdsp idctdsp"
2477 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2478 dolby_e_decoder_select="mdct"
2479 dvvideo_decoder_select="dvprofile idctdsp"
2480 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2481 dxa_decoder_deps="zlib"
2482 dxv_decoder_select="lzf texturedsp"
2483 eac3_decoder_select="ac3_decoder"
2484 eac3_encoder_select="ac3_encoder"
2485 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2486 eatgq_decoder_select="aandcttables"
2487 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2488 exr_decoder_deps="zlib"
2489 ffv1_decoder_select="rangecoder"
2490 ffv1_encoder_select="rangecoder"
2491 ffvhuff_decoder_select="huffyuv_decoder"
2492 ffvhuff_encoder_select="huffyuv_encoder"
2493 fic_decoder_select="golomb"
2494 flac_decoder_select="flacdsp"
2495 flac_encoder_select="bswapdsp flacdsp lpc"
2496 flashsv2_decoder_deps="zlib"
2497 flashsv2_encoder_deps="zlib"
2498 flashsv_decoder_deps="zlib"
2499 flashsv_encoder_deps="zlib"
2500 flv_decoder_select="h263_decoder"
2501 flv_encoder_select="h263_encoder"
2502 fourxm_decoder_select="blockdsp bswapdsp"
2503 fraps_decoder_select="bswapdsp huffman"
2504 g2m_decoder_deps="zlib"
2505 g2m_decoder_select="blockdsp idctdsp jpegtables"
2506 g729_decoder_select="audiodsp"
2507 h261_decoder_select="mpegvideo"
2508 h261_encoder_select="aandcttables mpegvideoenc"
2509 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2510 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2511 h263i_decoder_select="h263_decoder"
2512 h263p_decoder_select="h263_decoder"
2513 h263p_encoder_select="h263_encoder"
2514 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2515 h264_decoder_suggest="error_resilience"
2516 hap_decoder_select="snappy texturedsp"
2517 hap_encoder_deps="libsnappy"
2518 hap_encoder_select="texturedspenc"
2519 hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"
2520 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2521 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"
2522 iac_decoder_select="imc_decoder"
2523 imc_decoder_select="bswapdsp fft mdct sinewin"
2524 indeo3_decoder_select="hpeldsp"
2525 indeo4_decoder_select="ividsp"
2526 indeo5_decoder_select="ividsp"
2527 interplay_video_decoder_select="hpeldsp"
2528 jpegls_decoder_select="mjpeg_decoder"
2529 jv_decoder_select="blockdsp"
2530 lagarith_decoder_select="llviddsp"
2531 ljpeg_encoder_select="aandcttables idctdsp jpegtables mpegvideoenc"
2532 magicyuv_decoder_select="llviddsp"
2533 magicyuv_encoder_select="llvidencdsp"
2534 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2535 metasound_decoder_select="lsp mdct sinewin"
2536 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2537 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2538 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2539 mjpegb_decoder_select="mjpeg_decoder"
2540 mlp_decoder_select="mlp_parser"
2541 mlp_encoder_select="lpc"
2542 motionpixels_decoder_select="bswapdsp"
2543 mp1_decoder_select="mpegaudio"
2544 mp1float_decoder_select="mpegaudio"
2545 mp2_decoder_select="mpegaudio"
2546 mp2float_decoder_select="mpegaudio"
2547 mp3_decoder_select="mpegaudio"
2548 mp3adu_decoder_select="mpegaudio"
2549 mp3adufloat_decoder_select="mpegaudio"
2550 mp3float_decoder_select="mpegaudio"
2551 mp3on4_decoder_select="mpegaudio"
2552 mp3on4float_decoder_select="mpegaudio"
2553 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2554 mpc8_decoder_select="mpegaudiodsp"
2555 mpegvideo_decoder_select="mpegvideo"
2556 mpeg1video_decoder_select="mpegvideo"
2557 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2558 mpeg2video_decoder_select="mpegvideo"
2559 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2560 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2561 mpeg4_encoder_select="h263_encoder"
2562 msa1_decoder_select="mss34dsp"
2563 mscc_decoder_deps="zlib"
2564 msmpeg4v1_decoder_select="h263_decoder"
2565 msmpeg4v2_decoder_select="h263_decoder"
2566 msmpeg4v2_encoder_select="h263_encoder"
2567 msmpeg4v3_decoder_select="h263_decoder"
2568 msmpeg4v3_encoder_select="h263_encoder"
2569 mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"
2570 mts2_decoder_select="mss34dsp"
2571 mxpeg_decoder_select="mjpeg_decoder"
2572 nellymoser_decoder_select="mdct sinewin"
2573 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2574 nuv_decoder_select="idctdsp lzo"
2575 on2avc_decoder_select="mdct"
2576 opus_decoder_deps="swresample"
2577 opus_decoder_select="mdct15"
2578 opus_encoder_select="audio_frame_queue mdct15"
2579 png_decoder_deps="zlib"
2580 png_encoder_deps="zlib"
2581 png_encoder_select="llvidencdsp"
2582 prores_decoder_select="blockdsp idctdsp"
2583 prores_encoder_select="fdctdsp"
2584 qcelp_decoder_select="lsp"
2585 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2586 ra_144_decoder_select="audiodsp"
2587 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2588 ralf_decoder_select="golomb"
2589 rawvideo_decoder_select="bswapdsp"
2590 rscc_decoder_deps="zlib"
2591 rtjpeg_decoder_select="me_cmp"
2592 rv10_decoder_select="h263_decoder"
2593 rv10_encoder_select="h263_encoder"
2594 rv20_decoder_select="h263_decoder"
2595 rv20_encoder_select="h263_encoder"
2596 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2597 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2598 screenpresso_decoder_deps="zlib"
2599 shorten_decoder_select="bswapdsp"
2600 sipr_decoder_select="lsp"
2601 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2602 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2603 sonic_decoder_select="golomb rangecoder"
2604 sonic_encoder_select="golomb rangecoder"
2605 sonic_ls_encoder_select="golomb rangecoder"
2606 sp5x_decoder_select="mjpeg_decoder"
2607 srgc_decoder_deps="zlib"
2608 svq1_decoder_select="hpeldsp"
2609 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2610 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2611 svq3_decoder_suggest="zlib"
2612 tak_decoder_select="audiodsp"
2613 tdsc_decoder_deps="zlib"
2614 tdsc_decoder_select="mjpeg_decoder"
2615 theora_decoder_select="vp3_decoder"
2616 thp_decoder_select="mjpeg_decoder"
2617 tiff_decoder_suggest="zlib lzma"
2618 tiff_encoder_suggest="zlib"
2619 truehd_decoder_select="mlp_parser"
2620 truehd_encoder_select="lpc"
2621 truemotion2_decoder_select="bswapdsp"
2622 truespeech_decoder_select="bswapdsp"
2623 tscc_decoder_deps="zlib"
2624 twinvq_decoder_select="mdct lsp sinewin"
2625 txd_decoder_select="texturedsp"
2626 utvideo_decoder_select="bswapdsp llviddsp"
2627 utvideo_encoder_select="bswapdsp huffman llvidencdsp"
2628 vble_decoder_select="llviddsp"
2629 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2630 vc1image_decoder_select="vc1_decoder"
2631 vorbis_decoder_select="mdct"
2632 vorbis_encoder_select="mdct"
2633 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2634 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2635 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2636 vp6a_decoder_select="vp6_decoder"
2637 vp6f_decoder_select="vp6_decoder"
2638 vp7_decoder_select="h264pred videodsp vp8dsp"
2639 vp8_decoder_select="h264pred videodsp vp8dsp"
2640 vp9_decoder_select="videodsp vp9_parser vp9_superframe_split_bsf"
2641 webp_decoder_select="vp8_decoder exif"
2642 wmalossless_decoder_select="llauddsp"
2643 wmapro_decoder_select="mdct sinewin wma_freqs"
2644 wmav1_decoder_select="mdct sinewin wma_freqs"
2645 wmav1_encoder_select="mdct sinewin wma_freqs"
2646 wmav2_decoder_select="mdct sinewin wma_freqs"
2647 wmav2_encoder_select="mdct sinewin wma_freqs"
2648 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2649 wmv1_decoder_select="h263_decoder"
2650 wmv1_encoder_select="h263_encoder"
2651 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2652 wmv2_encoder_select="h263_encoder wmv2dsp"
2653 wmv3_decoder_select="vc1_decoder"
2654 wmv3image_decoder_select="wmv3_decoder"
2655 xma1_decoder_select="wmapro_decoder"
2656 xma2_decoder_select="wmapro_decoder"
2657 zerocodec_decoder_deps="zlib"
2658 zlib_decoder_deps="zlib"
2659 zlib_encoder_deps="zlib"
2660 zmbv_decoder_deps="zlib"
2661 zmbv_encoder_deps="zlib"
2663 # hardware accelerators
2664 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2665 cuda_deps_any="libdl LoadLibrary"
2667 d3d11va_deps="dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2668 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32 user32"
2670 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2671 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2672 xvmc_deps="X11_extensions_XvMClib_h"
2674 h263_vaapi_hwaccel_deps="vaapi"
2675 h263_vaapi_hwaccel_select="h263_decoder"
2676 h263_videotoolbox_hwaccel_deps="videotoolbox"
2677 h263_videotoolbox_hwaccel_select="h263_decoder"
2678 h264_d3d11va_hwaccel_deps="d3d11va"
2679 h264_d3d11va_hwaccel_select="h264_decoder"
2680 h264_d3d11va2_hwaccel_deps="d3d11va"
2681 h264_d3d11va2_hwaccel_select="h264_decoder"
2682 h264_dxva2_hwaccel_deps="dxva2"
2683 h264_dxva2_hwaccel_select="h264_decoder"
2684 h264_nvdec_hwaccel_deps="nvdec"
2685 h264_nvdec_hwaccel_select="h264_decoder"
2686 h264_vaapi_hwaccel_deps="vaapi"
2687 h264_vaapi_hwaccel_select="h264_decoder"
2688 h264_vdpau_hwaccel_deps="vdpau"
2689 h264_vdpau_hwaccel_select="h264_decoder"
2690 h264_videotoolbox_hwaccel_deps="videotoolbox"
2691 h264_videotoolbox_hwaccel_select="h264_decoder"
2692 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2693 hevc_d3d11va_hwaccel_select="hevc_decoder"
2694 hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2695 hevc_d3d11va2_hwaccel_select="hevc_decoder"
2696 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2697 hevc_dxva2_hwaccel_select="hevc_decoder"
2698 hevc_nvdec_hwaccel_deps="nvdec"
2699 hevc_nvdec_hwaccel_select="hevc_decoder"
2700 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2701 hevc_vaapi_hwaccel_select="hevc_decoder"
2702 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2703 hevc_vdpau_hwaccel_select="hevc_decoder"
2704 hevc_videotoolbox_hwaccel_deps="videotoolbox"
2705 hevc_videotoolbox_hwaccel_select="hevc_decoder"
2706 mpeg_xvmc_hwaccel_deps="xvmc"
2707 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2708 mpeg1_nvdec_hwaccel_deps="nvdec"
2709 mpeg1_nvdec_hwaccel_select="mpeg1video_decoder"
2710 mpeg1_vdpau_hwaccel_deps="vdpau"
2711 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2712 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2713 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2714 mpeg1_xvmc_hwaccel_deps="xvmc"
2715 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2716 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2717 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2718 mpeg2_d3d11va2_hwaccel_deps="d3d11va"
2719 mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"
2720 mpeg2_dxva2_hwaccel_deps="dxva2"
2721 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2722 mpeg2_nvdec_hwaccel_deps="nvdec"
2723 mpeg2_nvdec_hwaccel_select="mpeg2video_decoder"
2724 mpeg2_vaapi_hwaccel_deps="vaapi"
2725 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2726 mpeg2_vdpau_hwaccel_deps="vdpau"
2727 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2728 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2729 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2730 mpeg2_xvmc_hwaccel_deps="xvmc"
2731 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2732 mpeg4_nvdec_hwaccel_deps="nvdec"
2733 mpeg4_nvdec_hwaccel_select="mpeg4_decoder"
2734 mpeg4_vaapi_hwaccel_deps="vaapi"
2735 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2736 mpeg4_vdpau_hwaccel_deps="vdpau"
2737 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2738 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2739 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2740 vc1_d3d11va_hwaccel_deps="d3d11va"
2741 vc1_d3d11va_hwaccel_select="vc1_decoder"
2742 vc1_d3d11va2_hwaccel_deps="d3d11va"
2743 vc1_d3d11va2_hwaccel_select="vc1_decoder"
2744 vc1_dxva2_hwaccel_deps="dxva2"
2745 vc1_dxva2_hwaccel_select="vc1_decoder"
2746 vc1_nvdec_hwaccel_deps="nvdec"
2747 vc1_nvdec_hwaccel_select="vc1_decoder"
2748 vc1_vaapi_hwaccel_deps="vaapi"
2749 vc1_vaapi_hwaccel_select="vc1_decoder"
2750 vc1_vdpau_hwaccel_deps="vdpau"
2751 vc1_vdpau_hwaccel_select="vc1_decoder"
2752 vp8_nvdec_hwaccel_deps="nvdec"
2753 vp8_nvdec_hwaccel_select="vp8_decoder"
2754 vp8_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferVP8"
2755 vp8_vaapi_hwaccel_select="vp8_decoder"
2756 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2757 vp9_d3d11va_hwaccel_select="vp9_decoder"
2758 vp9_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2759 vp9_d3d11va2_hwaccel_select="vp9_decoder"
2760 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2761 vp9_dxva2_hwaccel_select="vp9_decoder"
2762 vp9_nvdec_hwaccel_deps="nvdec"
2763 vp9_nvdec_hwaccel_select="vp9_decoder"
2764 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"
2765 vp9_vaapi_hwaccel_select="vp9_decoder"
2766 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2767 wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"
2768 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2769 wmv3_nvdec_hwaccel_select="vc1_nvdec_hwaccel"
2770 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2771 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2773 # hardware-accelerated codecs
2774 omx_deps="libdl pthreads"
2775 omx_rpi_select="omx"
2780 vaapi_encode_deps="vaapi"
2781 v4l2_m2m_deps_any="linux_videodev2_h"
2783 hwupload_cuda_filter_deps="cuda"
2784 scale_npp_filter_deps="cuda libnpp"
2785 scale_cuda_filter_deps="cuda_sdk"
2786 thumbnail_cuda_filter_deps="cuda_sdk"
2788 amf_deps_any="libdl LoadLibrary"
2790 nvenc_deps_any="libdl LoadLibrary"
2791 nvenc_encoder_deps="nvenc"
2793 h263_v4l2m2m_decoder_deps="v4l2_m2m h263_v4l2_m2m"
2794 h263_v4l2m2m_encoder_deps="v4l2_m2m h263_v4l2_m2m"
2795 h264_amf_encoder_deps="amf"
2796 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2797 h264_cuvid_decoder_deps="cuvid"
2798 h264_cuvid_decoder_select="h264_mp4toannexb_bsf"
2799 h264_mediacodec_decoder_deps="mediacodec"
2800 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2801 h264_mmal_decoder_deps="mmal"
2802 h264_nvenc_encoder_deps="nvenc"
2803 h264_omx_encoder_deps="omx"
2804 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec"
2805 h264_qsv_encoder_select="qsvenc"
2806 h264_rkmpp_decoder_deps="rkmpp"
2807 h264_rkmpp_decoder_select="h264_mp4toannexb_bsf"
2808 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2809 h264_vaapi_encoder_select="cbs_h264 vaapi_encode"
2810 h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m"
2811 h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"
2812 hevc_amf_encoder_deps="amf"
2813 hevc_cuvid_decoder_deps="cuvid"
2814 hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"
2815 hevc_mediacodec_decoder_deps="mediacodec"
2816 hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"
2817 hevc_nvenc_encoder_deps="nvenc"
2818 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec"
2819 hevc_qsv_encoder_select="hevcparse qsvenc"
2820 hevc_rkmpp_decoder_deps="rkmpp"
2821 hevc_rkmpp_decoder_select="hevc_mp4toannexb_bsf"
2822 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2823 hevc_vaapi_encoder_select="cbs_h265 vaapi_encode"
2824 hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"
2825 hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"
2826 mjpeg_cuvid_decoder_deps="cuvid"
2827 mjpeg_qsv_encoder_deps="libmfx"
2828 mjpeg_qsv_encoder_select="qsvenc"
2829 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2830 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2831 mpeg1_cuvid_decoder_deps="cuvid"
2832 mpeg1_v4l2m2m_decoder_deps="v4l2_m2m mpeg1_v4l2_m2m"
2833 mpeg2_crystalhd_decoder_select="crystalhd"
2834 mpeg2_cuvid_decoder_deps="cuvid"
2835 mpeg2_mmal_decoder_deps="mmal"
2836 mpeg2_mediacodec_decoder_deps="mediacodec"
2837 mpeg2_qsv_decoder_select="qsvdec mpegvideo_parser"
2838 mpeg2_qsv_encoder_select="qsvenc"
2839 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2840 mpeg2_vaapi_encoder_select="cbs_mpeg2 vaapi_encode"
2841 mpeg2_v4l2m2m_decoder_deps="v4l2_m2m mpeg2_v4l2_m2m"
2842 mpeg4_crystalhd_decoder_select="crystalhd"
2843 mpeg4_cuvid_decoder_deps="cuvid"
2844 mpeg4_mediacodec_decoder_deps="mediacodec"
2845 mpeg4_mmal_decoder_deps="mmal"
2846 mpeg4_omx_encoder_deps="omx"
2847 mpeg4_v4l2m2m_decoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2848 mpeg4_v4l2m2m_encoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2849 msmpeg4_crystalhd_decoder_select="crystalhd"
2850 nvenc_h264_encoder_select="h264_nvenc_encoder"
2851 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2852 vc1_crystalhd_decoder_select="crystalhd"
2853 vc1_cuvid_decoder_deps="cuvid"
2854 vc1_mmal_decoder_deps="mmal"
2855 vc1_qsv_decoder_select="qsvdec vc1_parser"
2856 vc1_v4l2m2m_decoder_deps="v4l2_m2m vc1_v4l2_m2m"
2857 vp8_cuvid_decoder_deps="cuvid"
2858 vp8_mediacodec_decoder_deps="mediacodec"
2859 vp8_qsv_decoder_select="qsvdec vp8_parser"
2860 vp8_rkmpp_decoder_deps="rkmpp"
2861 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2862 vp8_vaapi_encoder_select="vaapi_encode"
2863 vp8_v4l2m2m_decoder_deps="v4l2_m2m vp8_v4l2_m2m"
2864 vp8_v4l2m2m_encoder_deps="v4l2_m2m vp8_v4l2_m2m"
2865 vp9_cuvid_decoder_deps="cuvid"
2866 vp9_mediacodec_decoder_deps="mediacodec"
2867 vp9_rkmpp_decoder_deps="rkmpp"
2868 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
2869 vp9_vaapi_encoder_select="vaapi_encode"
2870 vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m"
2871 wmv3_crystalhd_decoder_select="crystalhd"
2874 aac_parser_select="adts_header"
2875 h264_parser_select="golomb h264dsp h264parse"
2876 hevc_parser_select="hevcparse"
2877 mpegaudio_parser_select="mpegaudioheader"
2878 mpegvideo_parser_select="mpegvideo"
2879 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2880 vc1_parser_select="vc1dsp"
2883 aac_adtstoasc_bsf_select="adts_header"
2884 h264_metadata_bsf_select="cbs_h264"
2885 h264_redundant_pps_bsf_select="cbs_h264"
2886 hevc_metadata_bsf_select="cbs_h265"
2887 mjpeg2jpeg_bsf_select="jpegtables"
2888 mpeg2_metadata_bsf_select="cbs_mpeg2"
2889 trace_headers_bsf_select="cbs_h264 cbs_h265 cbs_mpeg2"
2891 # external libraries
2892 aac_at_decoder_deps="audiotoolbox"
2893 aac_at_decoder_select="aac_adtstoasc_bsf"
2894 ac3_at_decoder_deps="audiotoolbox"
2895 ac3_at_decoder_select="ac3_parser"
2896 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
2897 alac_at_decoder_deps="audiotoolbox"
2898 amr_nb_at_decoder_deps="audiotoolbox"
2899 avisynth_deps_any="libdl LoadLibrary"
2900 avisynth_demuxer_deps="avisynth"
2901 avisynth_demuxer_select="riffdec"
2902 eac3_at_decoder_deps="audiotoolbox"
2903 eac3_at_decoder_select="ac3_parser"
2904 gsm_ms_at_decoder_deps="audiotoolbox"
2905 ilbc_at_decoder_deps="audiotoolbox"
2906 mp1_at_decoder_deps="audiotoolbox"
2907 mp2_at_decoder_deps="audiotoolbox"
2908 mp3_at_decoder_deps="audiotoolbox"
2909 mp1_at_decoder_select="mpegaudioheader"
2910 mp2_at_decoder_select="mpegaudioheader"
2911 mp3_at_decoder_select="mpegaudioheader"
2912 pcm_alaw_at_decoder_deps="audiotoolbox"
2913 pcm_mulaw_at_decoder_deps="audiotoolbox"
2914 qdmc_at_decoder_deps="audiotoolbox"
2915 qdm2_at_decoder_deps="audiotoolbox"
2916 aac_at_encoder_deps="audiotoolbox"
2917 aac_at_encoder_select="audio_frame_queue"
2918 alac_at_encoder_deps="audiotoolbox"
2919 alac_at_encoder_select="audio_frame_queue"
2920 ilbc_at_encoder_deps="audiotoolbox"
2921 ilbc_at_encoder_select="audio_frame_queue"
2922 pcm_alaw_at_encoder_deps="audiotoolbox"
2923 pcm_alaw_at_encoder_select="audio_frame_queue"
2924 pcm_mulaw_at_encoder_deps="audiotoolbox"
2925 pcm_mulaw_at_encoder_select="audio_frame_queue"
2926 chromaprint_muxer_deps="chromaprint"
2927 h264_videotoolbox_encoder_deps="pthreads"
2928 h264_videotoolbox_encoder_select="videotoolbox_encoder"
2929 hevc_videotoolbox_encoder_deps="pthreads"
2930 hevc_videotoolbox_encoder_select="videotoolbox_encoder"
2931 libcelt_decoder_deps="libcelt"
2932 libfdk_aac_decoder_deps="libfdk_aac"
2933 libfdk_aac_encoder_deps="libfdk_aac"
2934 libfdk_aac_encoder_select="audio_frame_queue"
2935 libgme_demuxer_deps="libgme"
2936 libgsm_decoder_deps="libgsm"
2937 libgsm_encoder_deps="libgsm"
2938 libgsm_ms_decoder_deps="libgsm"
2939 libgsm_ms_encoder_deps="libgsm"
2940 libilbc_decoder_deps="libilbc"
2941 libilbc_encoder_deps="libilbc"
2942 libkvazaar_encoder_deps="libkvazaar"
2943 libmodplug_demuxer_deps="libmodplug"
2944 libmp3lame_encoder_deps="libmp3lame"
2945 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
2946 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2947 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2948 libopencore_amrnb_encoder_select="audio_frame_queue"
2949 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2950 libopenh264_decoder_deps="libopenh264"
2951 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2952 libopenh264_encoder_deps="libopenh264"
2953 libopenjpeg_decoder_deps="libopenjpeg"
2954 libopenjpeg_encoder_deps="libopenjpeg"
2955 libopenmpt_demuxer_deps="libopenmpt"
2956 libopus_decoder_deps="libopus"
2957 libopus_encoder_deps="libopus"
2958 libopus_encoder_select="audio_frame_queue"
2959 librsvg_decoder_deps="librsvg"
2960 libshine_encoder_deps="libshine"
2961 libshine_encoder_select="audio_frame_queue"
2962 libspeex_decoder_deps="libspeex"
2963 libspeex_encoder_deps="libspeex"
2964 libspeex_encoder_select="audio_frame_queue"
2965 libtheora_encoder_deps="libtheora"
2966 libtwolame_encoder_deps="libtwolame"
2967 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2968 libvorbis_decoder_deps="libvorbis"
2969 libvorbis_encoder_deps="libvorbis libvorbisenc"
2970 libvorbis_encoder_select="audio_frame_queue"
2971 libvpx_vp8_decoder_deps="libvpx"
2972 libvpx_vp8_encoder_deps="libvpx"
2973 libvpx_vp9_decoder_deps="libvpx"
2974 libvpx_vp9_encoder_deps="libvpx"
2975 libwavpack_encoder_deps="libwavpack"
2976 libwavpack_encoder_select="audio_frame_queue"
2977 libwebp_encoder_deps="libwebp"
2978 libwebp_anim_encoder_deps="libwebp"
2979 libx262_encoder_deps="libx262"
2980 libx264_encoder_deps="libx264"
2981 libx264rgb_encoder_deps="libx264 x264_csp_bgr"
2982 libx264rgb_encoder_select="libx264_encoder"
2983 libx265_encoder_deps="libx265"
2984 libxavs_encoder_deps="libxavs"
2985 libxvid_encoder_deps="libxvid"
2986 libzvbi_teletext_decoder_deps="libzvbi"
2987 videotoolbox_suggest="coreservices"
2988 videotoolbox_deps="corefoundation coremedia corevideo"
2989 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
2992 ac3_demuxer_select="ac3_parser"
2993 aiff_muxer_select="iso_media"
2994 asf_demuxer_select="riffdec"
2995 asf_o_demuxer_select="riffdec"
2996 asf_muxer_select="riffenc"
2997 asf_stream_muxer_select="asf_muxer"
2998 avi_demuxer_select="iso_media riffdec exif"
2999 avi_muxer_select="riffenc"
3000 caf_demuxer_select="iso_media riffdec"
3001 caf_muxer_select="iso_media"
3002 dash_muxer_select="mp4_muxer"
3003 dash_demuxer_deps="libxml2"
3004 dirac_demuxer_select="dirac_parser"
3005 dts_demuxer_select="dca_parser"
3006 dtshd_demuxer_select="dca_parser"
3007 dv_demuxer_select="dvprofile"
3008 dv_muxer_select="dvprofile"
3009 dxa_demuxer_select="riffdec"
3010 eac3_demuxer_select="ac3_parser"
3011 f4v_muxer_select="mov_muxer"
3012 fifo_muxer_deps="threads"
3013 flac_demuxer_select="flac_parser"
3014 hds_muxer_select="flv_muxer"
3015 hls_muxer_select="mpegts_muxer"
3016 hls_muxer_suggest="gcrypt openssl"
3017 image2_alias_pix_demuxer_select="image2_demuxer"
3018 image2_brender_pix_demuxer_select="image2_demuxer"
3019 ipod_muxer_select="mov_muxer"
3020 ismv_muxer_select="mov_muxer"
3021 matroska_audio_muxer_select="matroska_muxer"
3022 matroska_demuxer_select="iso_media riffdec"
3023 matroska_demuxer_suggest="bzlib lzo zlib"
3024 matroska_muxer_select="iso_media riffenc"
3025 mmf_muxer_select="riffenc"
3026 mov_demuxer_select="iso_media riffdec"
3027 mov_demuxer_suggest="zlib"
3028 mov_muxer_select="iso_media riffenc rtpenc_chain"
3029 mp3_demuxer_select="mpegaudio_parser"
3030 mp3_muxer_select="mpegaudioheader"
3031 mp4_muxer_select="mov_muxer"
3032 mpegts_demuxer_select="iso_media"
3033 mpegts_muxer_select="adts_muxer latm_muxer"
3034 mpegtsraw_demuxer_select="mpegts_demuxer"
3035 mxf_d10_muxer_select="mxf_muxer"
3036 mxf_opatom_muxer_select="mxf_muxer"
3037 nut_muxer_select="riffenc"
3038 nuv_demuxer_select="riffdec"
3039 oga_muxer_select="ogg_muxer"
3040 ogg_demuxer_select="dirac_parse"
3041 ogv_muxer_select="ogg_muxer"
3042 opus_muxer_select="ogg_muxer"
3043 psp_muxer_select="mov_muxer"
3044 rtp_demuxer_select="sdp_demuxer"
3045 rtp_muxer_select="golomb"
3046 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
3047 rtsp_demuxer_select="http_protocol rtpdec"
3048 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
3049 sap_demuxer_select="sdp_demuxer"
3050 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
3051 sdp_demuxer_select="rtpdec"
3052 smoothstreaming_muxer_select="ismv_muxer"
3053 spdif_demuxer_select="adts_header"
3054 spdif_muxer_select="adts_header"
3055 spx_muxer_select="ogg_muxer"
3056 swf_demuxer_suggest="zlib"
3057 tak_demuxer_select="tak_parser"
3058 tg2_muxer_select="mov_muxer"
3059 tgp_muxer_select="mov_muxer"
3060 vobsub_demuxer_select="mpegps_demuxer"
3061 w64_demuxer_select="wav_demuxer"
3062 w64_muxer_select="wav_muxer"
3063 wav_demuxer_select="riffdec"
3064 wav_muxer_select="riffenc"
3065 webm_muxer_select="iso_media riffenc"
3066 webm_dash_manifest_demuxer_select="matroska_demuxer"
3067 wtv_demuxer_select="mpegts_demuxer riffdec"
3068 wtv_muxer_select="mpegts_muxer riffenc"
3069 xmv_demuxer_select="riffdec"
3070 xwma_demuxer_select="riffdec"
3073 alsa_indev_deps="alsa"
3074 alsa_outdev_deps="alsa"
3075 avfoundation_indev_deps="avfoundation corevideo coremedia pthreads"
3076 avfoundation_indev_suggest="coregraphics applicationservices"
3077 avfoundation_indev_extralibs="-framework Foundation"
3078 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
3079 caca_outdev_deps="libcaca"
3080 decklink_deps_any="libdl LoadLibrary"
3081 decklink_indev_deps="decklink threads"
3082 decklink_indev_extralibs="-lstdc++"
3083 decklink_outdev_deps="decklink threads"
3084 decklink_outdev_extralibs="-lstdc++"
3085 libndi_newtek_indev_deps="libndi_newtek"
3086 libndi_newtek_indev_extralibs="-lndi"
3087 libndi_newtek_outdev_deps="libndi_newtek"
3088 libndi_newtek_outdev_extralibs="-lndi"
3089 dshow_indev_deps="IBaseFilter"
3090 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
3091 fbdev_indev_deps="linux_fb_h"
3092 fbdev_outdev_deps="linux_fb_h"
3093 gdigrab_indev_deps="CreateDIBSection"
3094 gdigrab_indev_extralibs="-lgdi32"
3095 gdigrab_indev_select="bmp_decoder"
3096 iec61883_indev_deps="libiec61883"
3097 jack_indev_deps="libjack"
3098 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
3099 kmsgrab_indev_deps="libdrm"
3100 lavfi_indev_deps="avfilter"
3101 libcdio_indev_deps="libcdio"
3102 libdc1394_indev_deps="libdc1394"
3103 openal_indev_deps="openal"
3104 opengl_outdev_deps="opengl"
3105 oss_indev_deps_any="sys_soundcard_h"
3106 oss_outdev_deps_any="sys_soundcard_h"
3107 pulse_indev_deps="libpulse"
3108 pulse_outdev_deps="libpulse"
3109 sdl2_outdev_deps="sdl2"
3110 sndio_indev_deps="sndio"
3111 sndio_outdev_deps="sndio"
3112 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
3113 v4l2_indev_suggest="libv4l2"
3114 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
3115 v4l2_outdev_suggest="libv4l2"
3116 vfwcap_indev_deps="vfw32 vfwcap_defines"
3117 xcbgrab_indev_deps="libxcb"
3118 xcbgrab_indev_suggest="libxcb_shm libxcb_shape libxcb_xfixes"
3119 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
3120 xv_outdev_extralibs="-lXv -lX11 -lXext"
3123 async_protocol_deps="threads"
3124 bluray_protocol_deps="libbluray"
3125 ffrtmpcrypt_protocol_conflict="librtmp_protocol"
3126 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
3127 ffrtmpcrypt_protocol_select="tcp_protocol"
3128 ffrtmphttp_protocol_conflict="librtmp_protocol"
3129 ffrtmphttp_protocol_select="http_protocol"
3130 ftp_protocol_select="tcp_protocol"
3131 gopher_protocol_select="network"
3132 http_protocol_select="tcp_protocol"
3133 http_protocol_suggest="zlib"
3134 httpproxy_protocol_select="tcp_protocol"
3135 httpproxy_protocol_suggest="zlib"
3136 https_protocol_select="tls_protocol"
3137 https_protocol_suggest="zlib"
3138 icecast_protocol_select="http_protocol"
3139 librtmp_protocol_deps="librtmp"
3140 librtmpe_protocol_deps="librtmp"
3141 librtmps_protocol_deps="librtmp"
3142 librtmpt_protocol_deps="librtmp"
3143 librtmpte_protocol_deps="librtmp"
3144 libsmbclient_protocol_deps="libsmbclient gplv3"
3145 libssh_protocol_deps="libssh"
3146 mmsh_protocol_select="http_protocol"
3147 mmst_protocol_select="network"
3148 rtmp_protocol_conflict="librtmp_protocol"
3149 rtmp_protocol_select="tcp_protocol"
3150 rtmp_protocol_suggest="zlib"
3151 rtmpe_protocol_select="ffrtmpcrypt_protocol"
3152 rtmpe_protocol_suggest="zlib"
3153 rtmps_protocol_conflict="librtmp_protocol"
3154 rtmps_protocol_select="tls_protocol"
3155 rtmps_protocol_suggest="zlib"
3156 rtmpt_protocol_select="ffrtmphttp_protocol"
3157 rtmpt_protocol_suggest="zlib"
3158 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
3159 rtmpte_protocol_suggest="zlib"
3160 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
3161 rtmpts_protocol_suggest="zlib"
3162 rtp_protocol_select="udp_protocol"
3163 schannel_conflict="openssl gnutls"
3164 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
3165 sctp_protocol_select="network"
3166 securetransport_conflict="openssl gnutls"
3167 srtp_protocol_select="rtp_protocol srtp"
3168 tcp_protocol_select="network"
3169 tls_protocol_deps_any="gnutls openssl schannel securetransport"
3170 tls_protocol_select="tcp_protocol"
3171 udp_protocol_select="network"
3172 udplite_protocol_select="network"
3173 unix_protocol_deps="sys_un_h"
3174 unix_protocol_select="network"
3177 afftfilt_filter_deps="avcodec"
3178 afftfilt_filter_select="fft"
3179 afir_filter_deps="avcodec"
3180 afir_filter_select="fft"
3181 amovie_filter_deps="avcodec avformat"
3182 aresample_filter_deps="swresample"
3183 ass_filter_deps="libass"
3184 atempo_filter_deps="avcodec"
3185 atempo_filter_select="rdft"
3186 azmq_filter_deps="libzmq"
3187 blackframe_filter_deps="gpl"
3188 boxblur_filter_deps="gpl"
3189 bs2b_filter_deps="libbs2b"
3190 colormatrix_filter_deps="gpl"
3191 coreimage_filter_deps="coreimage appkit"
3192 coreimage_filter_extralibs="-framework OpenGL"
3193 coreimagesrc_filter_deps="coreimage appkit"
3194 coreimagesrc_filter_extralibs="-framework OpenGL"
3195 cover_rect_filter_deps="avcodec avformat gpl"
3196 cropdetect_filter_deps="gpl"
3197 deinterlace_qsv_filter_deps="libmfx"
3198 deinterlace_vaapi_filter_deps="vaapi"
3199 delogo_filter_deps="gpl"
3200 deshake_filter_select="pixelutils"
3201 drawtext_filter_deps="libfreetype"
3202 drawtext_filter_suggest="libfontconfig libfribidi"
3203 elbg_filter_deps="avcodec"
3204 eq_filter_deps="gpl"
3205 fftfilt_filter_deps="avcodec"
3206 fftfilt_filter_select="rdft"
3207 find_rect_filter_deps="avcodec avformat gpl"
3208 firequalizer_filter_deps="avcodec"
3209 firequalizer_filter_select="rdft"
3210 flite_filter_deps="libflite"
3211 framerate_filter_select="pixelutils"
3212 frei0r_filter_deps="frei0r libdl"
3213 frei0r_src_filter_deps="frei0r libdl"
3214 fspp_filter_deps="gpl"
3215 geq_filter_deps="gpl"
3216 histeq_filter_deps="gpl"
3217 hqdn3d_filter_deps="gpl"
3218 interlace_filter_deps="gpl"
3219 kerndeint_filter_deps="gpl"
3220 ladspa_filter_deps="ladspa libdl"
3221 lv2_filter_deps="lv2"
3222 mcdeint_filter_deps="avcodec gpl"
3223 movie_filter_deps="avcodec avformat"
3224 mpdecimate_filter_deps="gpl"
3225 mpdecimate_filter_select="pixelutils"
3226 mptestsrc_filter_deps="gpl"
3227 negate_filter_deps="lut_filter"
3228 nnedi_filter_deps="gpl"
3229 ocr_filter_deps="libtesseract"
3230 ocv_filter_deps="libopencv"
3231 overlay_opencl_filter_deps="opencl"
3232 overlay_qsv_filter_deps="libmfx"
3233 overlay_qsv_filter_select="qsvvpp"
3234 owdenoise_filter_deps="gpl"
3235 pan_filter_deps="swresample"
3236 perspective_filter_deps="gpl"
3237 phase_filter_deps="gpl"
3238 pp7_filter_deps="gpl"
3239 pp_filter_deps="gpl postproc"
3240 pullup_filter_deps="gpl"
3241 removelogo_filter_deps="avcodec avformat swscale"
3242 repeatfields_filter_deps="gpl"
3243 resample_filter_deps="avresample"
3244 rubberband_filter_deps="librubberband"
3245 sab_filter_deps="gpl swscale"
3246 scale2ref_filter_deps="swscale"
3247 scale_filter_deps="swscale"
3248 scale_qsv_filter_deps="libmfx"
3249 select_filter_select="pixelutils"
3250 showcqt_filter_deps="avcodec avformat swscale"
3251 showcqt_filter_suggest="libfontconfig libfreetype"
3252 showcqt_filter_select="fft"
3253 showfreqs_filter_deps="avcodec"
3254 showfreqs_filter_select="fft"
3255 showspectrum_filter_deps="avcodec"
3256 showspectrum_filter_select="fft"
3257 showspectrumpic_filter_deps="avcodec"
3258 showspectrumpic_filter_select="fft"
3259 signature_filter_deps="gpl avcodec avformat"
3260 smartblur_filter_deps="gpl swscale"
3261 sofalizer_filter_deps="libmysofa avcodec"
3262 sofalizer_filter_select="fft"
3263 spectrumsynth_filter_deps="avcodec"
3264 spectrumsynth_filter_select="fft"
3265 spp_filter_deps="gpl avcodec"
3266 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
3267 stereo3d_filter_deps="gpl"
3268 subtitles_filter_deps="avformat avcodec libass"
3269 super2xsai_filter_deps="gpl"
3270 pixfmts_super2xsai_test_deps="super2xsai_filter"
3271 tinterlace_filter_deps="gpl"
3272 tinterlace_merge_test_deps="tinterlace_filter"
3273 tinterlace_pad_test_deps="tinterlace_filter"
3274 tonemap_filter_deps="const_nan"
3275 unsharp_opencl_filter_deps="opencl"
3276 uspp_filter_deps="gpl avcodec"
3277 vaguedenoiser_filter_deps="gpl"
3278 vidstabdetect_filter_deps="libvidstab"
3279 vidstabtransform_filter_deps="libvidstab"
3280 libvmaf_filter_deps="libvmaf"
3281 zmq_filter_deps="libzmq"
3282 zoompan_filter_deps="swscale"
3283 zscale_filter_deps="libzimg const_nan"
3284 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3285 vpp_qsv_filter_deps="libmfx"
3286 vpp_qsv_filter_select="qsvvpp"
3289 avio_dir_cmd_deps="avformat avutil"
3290 avio_reading_deps="avformat avcodec avutil"
3291 decode_audio_example_deps="avcodec avutil"
3292 decode_video_example_deps="avcodec avutil"
3293 demuxing_decoding_example_deps="avcodec avformat avutil"
3294 encode_audio_example_deps="avcodec avutil"
3295 encode_video_example_deps="avcodec avutil"
3296 extract_mvs_example_deps="avcodec avformat avutil"
3297 filter_audio_example_deps="avfilter avutil"
3298 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3299 filtering_video_example_deps="avfilter avcodec avformat avutil"
3300 http_multiclient_example_deps="avformat avutil fork"
3301 hw_decode_example_deps="avcodec avformat avutil"
3302 metadata_example_deps="avformat avutil"
3303 muxing_example_deps="avcodec avformat avutil swscale"
3304 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
3305 remuxing_example_deps="avcodec avformat avutil"
3306 resampling_audio_example_deps="avutil swresample"
3307 scaling_video_example_deps="avutil swscale"
3308 transcode_aac_example_deps="avcodec avformat swresample"
3309 transcoding_example_deps="avfilter avcodec avformat avutil"
3310 vaapi_encode_example_deps="avcodec avutil"
3313 cpu_init_extralibs="pthreads_extralibs"
3314 cws2fws_extralibs="zlib_extralibs"
3316 # libraries, in linking order
3317 avcodec_deps="avutil"
3318 avcodec_suggest="libm"
3319 avcodec_select="null_bsf"
3320 avdevice_deps="avformat avcodec avutil"
3321 avdevice_suggest="libm"
3322 avfilter_deps="avutil"
3323 avfilter_suggest="libm"
3324 avformat_deps="avcodec avutil"
3325 avformat_suggest="libm network zlib"
3326 avresample_deps="avutil"
3327 avresample_suggest="libm"
3328 avutil_suggest="clock_gettime cuda libm libdrm libmfx opencl user32 vaapi videotoolbox corefoundation corevideo coremedia wincrypt"
3329 postproc_deps="avutil gpl"
3330 postproc_suggest="libm"
3331 swresample_deps="avutil"
3332 swresample_suggest="libm libsoxr"
3333 swscale_deps="avutil"
3334 swscale_suggest="libm"
3336 avcodec_extralibs="pthreads_extralibs iconv_extralibs"
3337 avfilter_extralibs="pthreads_extralibs"
3338 avutil_extralibs="d3d11va_extralibs nanosleep_extralibs pthreads_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs"
3341 ffmpeg_deps="avcodec avfilter avformat swresample"
3342 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3345 ffmpeg_suggest="ole32 psapi shell32"
3346 ffplay_deps="avcodec avformat swscale swresample sdl2"
3347 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3348 ffplay_suggest="shell32"
3349 ffprobe_deps="avcodec avformat"
3350 ffprobe_suggest="shell32"
3351 ffserver_deps="avformat fork sarestart"
3352 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
3355 podpages_deps="perl"
3356 manpages_deps="perl pod2man"
3357 htmlpages_deps="perl"
3358 htmlpages_deps_any="makeinfo_html texi2html"
3359 txtpages_deps="perl makeinfo"
3360 doc_deps_any="manpages htmlpages podpages txtpages"
3362 # default parameters
3364 logfile="ffbuild/config.log"
3366 # installation paths
3367 prefix_default="/usr/local"
3368 bindir_default='${prefix}/bin'
3369 datadir_default='${prefix}/share/ffmpeg'
3370 docdir_default='${prefix}/share/doc/ffmpeg'
3371 incdir_default='${prefix}/include'
3372 libdir_default='${prefix}/lib'
3373 mandir_default='${prefix}/share/man'
3379 host_cc_default="gcc"
3380 doxygen_default="doxygen"
3382 ln_s_default="ln -s -f"
3384 pkg_config_default=pkg-config
3385 ranlib_default="ranlib"
3386 strip_default="strip"
3387 version_script='--version-script'
3389 x86asmexe_default="nasm"
3390 windres_default="windres"
3392 nvccflags_default="-gencode arch=compute_30,code=sm_30 -O2"
3396 target_os_default=$(tolower $(uname -s))
3397 host_os=$target_os_default
3400 if test "$target_os_default" = aix; then
3401 arch_default=$(uname -p)
3402 strip_default="strip -X32_64"
3404 arch_default=$(uname -m)
3409 # configurable options
3410 enable $PROGRAM_LIST
3411 enable $DOCUMENT_LIST
3412 enable $EXAMPLE_LIST
3413 enable $(filter_out avresample $LIBRARY_LIST)
3419 enable faan faandct faanidct
3420 enable optimizations
3421 enable runtime_cpudetect
3422 enable safe_bitstream_reader
3424 enable swscale_alpha
3425 enable valgrind_backtrace
3427 sws_max_filter_size_default=256
3428 set_default sws_max_filter_size
3430 # internal components are enabled by default
3431 enable $EXTRALIBS_LIST
3433 # Avoid external, non-system, libraries getting enabled by dependency resolution
3434 disable $EXTERNAL_LIBRARY_LIST $HWACCEL_LIBRARY_LIST
3437 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3440 FULLNAME='$(NAME)$(BUILDSUF)'
3441 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3444 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3445 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3446 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3447 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3448 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3449 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3450 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
3477 host_extralibs='-lm'
3478 host_cflags_filter=echo
3479 host_ldflags_filter=echo
3481 target_path='$(CURDIR)'
3483 # since the object filename is not given with the -MM flag, the compiler
3484 # is only able to print the basename, and we must add the path ourselves
3485 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3491 if test -f configure; then
3494 source_path=$(cd $(dirname "$0"); pwd)
3495 case "$source_path" in
3496 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3498 test -e "$source_path/config.h" &&
3499 die "Out of tree builds are impossible with config.h in source dir."
3506 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3512 file=$source_path/$3
3513 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3516 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
3517 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
3518 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
3519 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
3520 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
3521 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
3522 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
3523 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3525 find_things_extern(){
3528 file=$source_path/$3
3529 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
3532 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3533 HWACCEL_LIST=$(find_things_extern hwaccel AVHWAccel libavcodec/hwaccels.h)
3534 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3536 AVCODEC_COMPONENTS_LIST="
3544 AVDEVICE_COMPONENTS_LIST="
3549 AVFILTER_COMPONENTS_LIST="
3553 AVFORMAT_COMPONENTS_LIST="
3560 $AVCODEC_COMPONENTS_LIST
3561 $AVDEVICE_COMPONENTS_LIST
3562 $AVFILTER_COMPONENTS_LIST
3563 $AVFORMAT_COMPONENTS_LIST
3566 for n in $COMPONENT_LIST; do
3567 v=$(toupper ${n%s})_LIST
3569 eval ${n}_if_any="\$$v"
3572 enable $ARCH_EXT_LIST
3575 echo "Unknown option \"$1\"."
3576 echo "See $0 --help for available options."
3580 print_in_columns() {
3581 cols=$(expr $ncols / 24)
3582 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3588 echo $* | sed s/$suffix//g | print_in_columns
3600 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3601 echo "prob ${prob:-0.5}"
3609 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3610 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3619 --extra-ldexeflags=*)
3620 add_ldexeflags $optval
3622 --extra-ldsoflags=*)
3623 add_ldsoflags $optval
3625 --extra-ldlibflags=*)
3626 warn "The --extra-ldlibflags option is only provided for compatibility and will be\n"\
3627 "removed in the future. Use --extra-ldsoflags instead."
3628 add_ldsoflags $optval
3631 add_extralibs $optval
3634 disable $INDEV_LIST $OUTDEV_LIST
3637 debuglevel="$optval"
3640 disable $PROGRAM_LIST
3642 --disable-everything)
3643 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3646 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3647 disable $LIBRARY_LIST $PROGRAM_LIST doc
3650 --enable-random|--disable-random)
3651 action=${opt%%-random}
3652 do_random ${action#--} $COMPONENT_LIST
3654 --enable-random=*|--disable-random=*)
3655 action=${opt%%-random=*}
3656 do_random ${action#--} $optval
3661 --enable-*=*|--disable-*=*)
3662 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3663 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3664 eval list=\$$(toupper $thing)_LIST
3665 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3666 list=$(filter "$name" $list)
3667 [ "$list" = "" ] && warn "Option $opt did not match anything"
3670 --enable-yasm|--disable-yasm)
3671 warn "The ${opt} option is only provided for compatibility and will be\n"\
3672 "removed in the future. Use --enable-x86asm / --disable-x86asm instead."
3673 test $opt = --enable-yasm && x86asm=yes || x86asm=no
3676 warn "The --yasmexe option is only provided for compatibility and will be\n"\
3677 "removed in the future. Use --x86asmexe instead."
3680 --enable-?*|--disable-?*)
3681 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3682 if is_in $option $COMPONENT_LIST; then
3683 test $action = disable && action=unset
3684 eval $action \$$(toupper ${option%s})_LIST
3685 elif is_in $option $CMDLINE_SELECT; then
3692 NAME="${opt#--list-}"
3693 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3695 eval show_list $NAME \$$(toupper $NAME)_LIST
3697 --help|-h) show_help
3699 --quiet|-q) quiet=yes
3701 --fatal-warnings) enable fatal_warnings
3704 libfuzzer_path="$optval"
3707 optname="${opt%%=*}"
3708 optname="${optname#--}"
3709 optname=$(echo "$optname" | sed 's/-/_/g')
3710 if is_in $optname $CMDLINE_SET; then
3711 eval $optname='$optval'
3712 elif is_in $optname $CMDLINE_APPEND; then
3713 append $optname "$optval"
3725 if disabled autodetect; then
3727 # Unless iconv is explicitely disabled by the user, we still want to probe
3728 # for the iconv from the libc.
3729 disabled iconv || enable libc_iconv
3731 disable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3732 disable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3734 # Mark specifically enabled, but normally autodetected libraries as requested.
3735 for lib in $AUTODETECT_LIBS; do
3736 enabled $lib && request $lib
3738 #TODO: switch to $AUTODETECT_LIBS when $THREADS_LIST is supported the same way
3739 enable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3740 enable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3742 disabled logging && logfile=/dev/null
3744 # command line configuration sanity checks
3746 # we need to build at least one lib type
3747 if ! enabled_any static shared; then
3749 At least one library type must be built.
3750 Specify --enable-static to build the static libraries or --enable-shared to
3751 build the shared libraries as well. To only build the shared libraries specify
3752 --disable-static in addition to --enable-shared.
3757 die_license_disabled() {
3758 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
3761 die_license_disabled_gpl() {
3762 enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }
3765 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3766 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3768 enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST
3769 map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST
3771 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3773 enabled_all gnutls openssl &&
3774 die "GnuTLS and OpenSSL must not be enabled at the same time."
3776 # Disable all the library-specific components if the library itself
3777 # is disabled, see AVCODEC_LIST and following _LIST variables.
3779 disable_components(){
3780 disabled ${1} && disable $(
3781 eval components="\$$(toupper ${1})_COMPONENTS"
3782 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3786 map 'disable_components $v' $LIBRARY_LIST
3788 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3791 test -n "$valgrind" && toolchain="valgrind-memcheck"
3793 enabled ossfuzz && {
3794 add_cflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer
3795 add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp
3798 case "$toolchain" in
3800 cc_default="${toolchain%-asan}"
3801 add_cflags -fsanitize=address
3802 add_ldflags -fsanitize=address
3805 cc_default="${toolchain%-msan}"
3806 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
3807 add_ldflags -fsanitize=memory
3810 cc_default="${toolchain%-tsan}"
3811 add_cflags -fsanitize=thread -fPIE
3812 add_ldflags -fsanitize=thread -pie
3813 case "$toolchain" in
3821 cc_default="${toolchain%-usan}"
3822 add_cflags -fsanitize=undefined
3823 add_ldflags -fsanitize=undefined
3826 target_exec_default="valgrind"
3827 case "$toolchain" in
3829 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
3832 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3837 # Check whether the current MSVC version needs the C99 converter.
3838 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3839 # support enough of C99 to build ffmpeg. Default to the new
3840 # behaviour if the regexp was unable to match anything, since this
3841 # successfully parses the version number of existing supported
3842 # versions that require the converter (MSVC 2010 and 2012).
3843 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3844 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3848 cc_default="c99wrap cl"
3849 cxx_default="c99wrap cl"
3851 ld_default="$source_path/compat/windows/mslink"
3852 nm_default="dumpbin -symbols"
3856 as_default="armasm64"
3862 target_os_default="win32"
3863 # Use a relative path for TMPDIR. This makes sure all the
3864 # ffconf temp files are written with a relative path, avoiding
3865 # issues with msys/win32 path conversion for MSVC parameters
3866 # such as -Fo<file> or -out:<file>.
3872 nm_default="dumpbin -symbols"
3874 target_os_default="win32"
3878 add_cflags -fprofile-arcs -ftest-coverage
3879 add_ldflags -fprofile-arcs -ftest-coverage
3882 add_cflags -fprofile-arcs -ftest-coverage
3883 add_ldflags --coverage
3886 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3887 add_cflags -fno-strict-overflow -fstack-protector-all
3888 add_ldflags -Wl,-z,relro -Wl,-z,now
3890 add_ldexeflags -fPIE -pie
3893 die "Unknown toolchain $toolchain"
3897 if test -n "$cross_prefix"; then
3898 test -n "$arch" && test -n "$target_os" ||
3899 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
3900 enable cross_compile
3903 ar_default="${cross_prefix}${ar_default}"
3904 cc_default="${cross_prefix}${cc_default}"
3905 cxx_default="${cross_prefix}${cxx_default}"
3906 nm_default="${cross_prefix}${nm_default}"
3907 pkg_config_default="${cross_prefix}${pkg_config_default}"
3908 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3909 ranlib_default="${cross_prefix}${ranlib_default} -D"
3911 ranlib_default="${cross_prefix}${ranlib_default}"
3913 strip_default="${cross_prefix}${strip_default}"
3914 windres_default="${cross_prefix}${windres_default}"
3916 sysinclude_default="${sysroot}/usr/include"
3918 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3919 target_exec target_os x86asmexe nvcc
3920 enabled cross_compile || host_cc_default=$cc
3923 pkg_config_fail_message=""
3924 if ! $pkg_config --version >/dev/null 2>&1; then
3925 warn "$pkg_config not found, library detection may fail."
3927 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3928 pkg_config_fail_message="
3929 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3932 if test $doxygen != $doxygen_default && \
3933 ! $doxygen --version >/dev/null 2>&1; then
3934 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3939 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3943 EXESUF=$(exesuf $target_os)
3944 HOSTEXESUF=$(exesuf $host_os)
3946 # set temporary file name
3947 : ${TMPDIR:=$TEMPDIR}
3951 if [ -n "$tempprefix" ] ; then
3953 tmpname="$tempprefix.${HOSTNAME}.${UID}"
3957 elif ! check_cmd mktemp -u XXXXXX; then
3958 # simple replacement for missing mktemp
3959 # NOT SAFE FOR GENERAL USE
3961 tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3967 FFTMPDIR=$(mktemp -d "${TMPDIR}/ffconf.XXXXXXXX" 2> /dev/null) ||
3968 die "Unable to create temporary directory in $TMPDIR."
3971 tmp="${FFTMPDIR}/test"$2
3972 (set -C; exec > $tmp) 2> /dev/null ||
3973 die "Unable to create temporary file in $FFTMPDIR."
3977 trap 'rm -rf -- "$FFTMPDIR"' EXIT
3983 tmpfile TMPE $EXESUF
3995 # make sure we can execute files in $TMPDIR
3996 cat > $TMPSH 2>> $logfile <<EOF
3999 chmod +x $TMPSH >> $logfile 2>&1
4000 if ! $TMPSH >> $logfile 2>&1; then
4002 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
4003 variable to another directory and make sure that it is not mounted noexec.
4005 die "Sanity test failed."
4011 # Filter out MSVC cl.exe options from cflags that shouldn't
4012 # be passed to gas-preprocessor
4022 -Wno-switch) echo -Wno-switch-enum ;;
4023 -Wno-format-zero-length) ;;
4024 -Wdisabled-optimization) ;;
4025 -Wno-pointer-sign) echo -Wno-other ;;
4031 msvc_common_flags(){
4034 # In addition to specifying certain flags under the compiler
4035 # specific filters, they must be specified here as well or else the
4036 # generic catch all at the bottom will print the original flag.
4041 -fomit-frame-pointer) ;;
4045 -fno-signed-zeros) ;;
4049 -lz) echo zlib.lib ;;
4050 -lx264) echo libx264.lib ;;
4052 -l*) echo ${flag#-l}.lib ;;
4053 -LARGEADDRESSAWARE) echo $flag ;;
4054 -L*) echo -libpath:${flag#-L} ;;
4061 msvc_common_flags "$@"
4064 -Wall) echo -W3 -wd4018 -wd4146 -wd4244 -wd4305 \
4066 -Wextra) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
4067 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4068 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
4070 -wd4273 -wd4554 -wd4701 -wd4703 ;;
4076 msvc_common_flags "$@"
4079 # Despite what Intel's documentation says -Wall, which is supported
4080 # on Windows, does enable remarks so disable them here.
4081 -Wall) echo $flag -Qdiag-disable:remark ;;
4082 -std=c99) echo -Qstd=c99 ;;
4101 case "${flag#*=}" in
4102 native) echo -xtarget=native ;;
4103 v9|niagara) echo -xarch=sparc ;;
4104 ultrasparc) echo -xarch=sparcvis ;;
4105 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
4106 i586|pentium) echo -xchip=pentium ;;
4107 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
4108 pentium3*|c3-2) echo -xtarget=pentium3 ;;
4109 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
4110 pentium4*) echo -xtarget=pentium4 ;;
4111 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
4112 *-sse3) echo -xarch=sse3 ;;
4113 core2) echo -xarch=ssse3 -xchip=core2 ;;
4114 bonnell) echo -xarch=ssse3 ;;
4115 corei7|nehalem) echo -xtarget=nehalem ;;
4116 westmere) echo -xtarget=westmere ;;
4117 silvermont) echo -xarch=sse4_2 ;;
4118 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
4119 core-avx*|ivybridge|haswell|broadwell|skylake*|knl)
4121 amdfam10|barcelona) echo -xtarget=barcelona ;;
4122 btver1) echo -xarch=amdsse4a ;;
4123 btver2|bdver*|znver*) echo -xarch=avx ;;
4124 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
4125 k8|opteron|athlon64|athlon-fx)
4126 echo -xarch=sse2a ;;
4127 athlon*) echo -xarch=pentium_proa ;;
4130 -std=c99) echo -xc99 ;;
4131 -fomit-frame-pointer) echo -xregs=frameptr ;;
4132 -fPIC) echo -KPIC -xcode=pic32 ;;
4133 -W*,*) echo $flag ;;
4134 -f*-*|-W*|-mimpure-text) ;;
4146 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
4147 unset _ld_o _ldflags _ld_lib _ld_path
4148 unset _depflags _DEPCMD _DEPFLAGS
4151 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
4152 true # no-op to avoid reading stdin in following checks
4153 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
4155 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
4156 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
4157 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4160 elif $_cc -v 2>&1 | grep -qi ^gcc; then
4162 gcc_version=$($_cc --version | head -n1)
4163 gcc_basever=$($_cc -dumpversion)
4164 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
4165 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
4166 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
4167 case $gcc_basever in
4170 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
4172 if [ "$first" = true ]; then
4173 case $gcc_basever in
4175 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
4180 elif $_cc --version 2>/dev/null | grep -q ^icc; then
4182 _ident=$($_cc --version | head -n1)
4187 _flags_filter=icc_flags
4188 elif $_cc -v 2>&1 | grep -q xlc; then
4190 _ident=$($_cc -qversion 2>/dev/null | head -n1)
4192 _cflags_size='-O5 -qcompact'
4193 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
4194 test -d "$sysroot" || die "No valid sysroot specified."
4196 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
4197 armcc_conf="$PWD/armcc.conf"
4198 $_cc --arm_linux_configure \
4199 --arm_linux_config_file="$armcc_conf" \
4200 --configure_sysroot="$sysroot" \
4201 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
4202 die "Error creating armcc configuration file."
4203 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
4204 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
4205 as_default="${cross_prefix}gcc"
4209 elif $_cc -v 2>&1 | grep -q clang; then
4211 _ident=$($_cc --version 2>/dev/null | head -n1)
4212 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4215 elif $_cc -V 2>&1 | grep -q Sun; then
4217 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
4218 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
4219 _DEPFLAGS='-xM1 -xc99'
4222 _cflags_size='-O5 -xspace'
4223 _flags_filter=suncc_flags
4224 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
4226 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4227 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4230 _flags_filter='filter_out -Wdisabled-optimization'
4231 elif $_cc -v 2>&1 | grep -q Open64; then
4233 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4234 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4237 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
4238 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
4240 _ident=$($_cc | head -n1)
4241 # 4509: "This form of conditional instruction is deprecated"
4242 _flags="-nologo -ignore 4509"
4243 _flags_filter=armasm_flags
4244 elif $_cc 2>&1 | grep -q Intel; then
4246 _ident=$($_cc 2>&1 | head -n1)
4247 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
4248 # Not only is O3 broken on 13.x+ but it is slower on all previous
4249 # versions (tested) as well.
4251 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
4252 if $_cc 2>&1 | grep -q Linker; then
4259 _flags_filter=icl_flags
4261 _ld_path='-libpath:'
4262 # -Qdiag-error to make icl error when seeing certain unknown arguments
4263 _flags='-nologo -Qdiag-error:4044,10157'
4264 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
4265 # with MSVC which enables it by default.
4266 _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise'
4268 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
4269 # lld can emulate multiple different linkers; in ms link.exe mode,
4270 # the -? parameter gives the help output which contains an identifyable
4271 # string, while it gives an error in other modes.
4273 # The link.exe mode doesn't have a switch for getting the version,
4274 # but we can force it back to gnu mode and get the version from there.
4275 _ident=$($_cc -flavor gnu --version 2>/dev/null)
4277 _flags_filter=msvc_flags
4279 _ld_path='-libpath:'
4280 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
4282 _ident=$($_cc 2>&1 | head -n1)
4283 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
4284 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
4288 if $_cc -nologo- 2>&1 | grep -q Linker; then
4295 _flags_filter=msvc_flags
4297 _ld_path='-libpath:'
4300 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
4302 _ident=$($_cc --version | head -n1)
4306 _flags_filter=cparser_flags
4309 eval ${pfx}_type=\$_type
4310 eval ${pfx}_ident=\$_ident
4314 eval ${1}_C=\${_cc_c-\${${1}_C}}
4315 eval ${1}_E=\${_cc_e-\${${1}_E}}
4316 eval ${1}_O=\${_cc_o-\${${1}_O}}
4318 if [ -n "$_depflags" ]; then
4319 eval ${1}_DEPFLAGS=\$_depflags
4321 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
4322 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
4323 eval DEP${1}FLAGS=\$_flags
4327 probe_cc cc "$cc" "true"
4328 cflags_filter=$_flags_filter
4329 cflags_speed=$_cflags_speed
4330 cflags_size=$_cflags_size
4331 cflags_noopt=$_cflags_noopt
4332 add_cflags $_flags $_cflags
4333 cc_ldflags=$_ldflags
4337 probe_cc hostcc "$host_cc"
4338 host_cflags_filter=$_flags_filter
4339 host_cflags_speed=$_cflags_speed
4340 add_host_cflags $_flags $_cflags
4343 test -n "$cc_type" && enable $cc_type ||
4344 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
4346 : ${as_default:=$cc}
4347 : ${objcc_default:=$cc}
4348 : ${dep_cc_default:=$cc}
4349 : ${ld_default:=$cc}
4350 : ${host_ld_default:=$host_cc}
4351 set_default ar as objcc dep_cc ld ln_s host_ld windres
4354 asflags_filter=$_flags_filter
4355 add_asflags $_flags $_cflags
4358 probe_cc objcc "$objcc"
4359 objcflags_filter=$_flags_filter
4360 add_objcflags $_flags $_cflags
4364 ldflags_filter=$_flags_filter
4365 add_ldflags $_flags $_ldflags
4366 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
4368 LD_LIB=${_ld_lib-$LD_LIB}
4369 LD_PATH=${_ld_path-$LD_PATH}
4371 probe_cc hostld "$host_ld"
4372 host_ldflags_filter=$_flags_filter
4373 add_host_ldflags $_flags $_ldflags
4374 HOSTLD_O=${_ld_o-$HOSTLD_O}
4376 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
4377 probe_cc depcc "$dep_cc"
4378 CCDEP=${_DEPCMD:-$DEPCMD}
4379 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
4383 if $ar 2>&1 | grep -q Microsoft; then
4386 elif $ar 2>&1 | grep -q "\[D\] "; then
4394 add_cflags $extra_cflags
4395 add_cxxflags $extra_cxxflags
4396 add_objcflags $extra_objcflags
4397 add_asflags $extra_cflags
4399 if test -n "$sysroot"; then
4402 add_cppflags --sysroot="$sysroot"
4403 add_ldflags --sysroot="$sysroot"
4408 if test "$cpu" = host; then
4409 enabled cross_compile &&
4410 die "--cpu=host makes no sense when cross-compiling."
4415 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4417 s/.*$1=\\([^ ]*\\).*/\\1/
4422 cpu=$(check_native -march || check_native -mcpu)
4426 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4427 sed -n "/cc1.*-target-cpu /{
4428 s/.*-target-cpu \\([^ ]*\\).*/\\1/
4433 cpu=$(check_native -march)
4437 test "${cpu:-host}" = host &&
4438 die "--cpu=host not supported with compiler $cc"
4441 # Deal with common $arch aliases
4465 "Power Macintosh"|ppc*|powerpc*)
4480 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
4485 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
4488 # Add processor-specific flags
4489 if enabled aarch64; then
4493 cpuflags="-march=$cpu"
4496 cpuflags="-mcpu=$cpu"
4500 elif enabled alpha; then
4502 cpuflags="-mcpu=$cpu"
4504 elif enabled arm; then
4507 check_cpp_condition stddef.h \
4508 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4513 if check_arm_arch 4; then echo armv4
4514 elif check_arm_arch 4T; then echo armv4t
4515 elif check_arm_arch 5; then echo armv5
4516 elif check_arm_arch 5E; then echo armv5e
4517 elif check_arm_arch 5T; then echo armv5t
4518 elif check_arm_arch 5TE; then echo armv5te
4519 elif check_arm_arch 5TEJ; then echo armv5te
4520 elif check_arm_arch 6; then echo armv6
4521 elif check_arm_arch 6J; then echo armv6j
4522 elif check_arm_arch 6K; then echo armv6k
4523 elif check_arm_arch 6Z; then echo armv6z
4524 elif check_arm_arch 6ZK; then echo armv6zk
4525 elif check_arm_arch 6T2; then echo armv6t2
4526 elif check_arm_arch 7; then echo armv7
4527 elif check_arm_arch 7A 7_A; then echo armv7-a
4528 elif check_arm_arch 7S; then echo armv7-a
4529 elif check_arm_arch 7R 7_R; then echo armv7-r
4530 elif check_arm_arch 7M 7_M; then echo armv7-m
4531 elif check_arm_arch 7EM 7E_M; then echo armv7-m
4532 elif check_arm_arch 8A 8_A; then echo armv8-a
4536 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4540 cpuflags="-march=$cpu"
4541 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4544 cpuflags="-mcpu=$cpu"
4546 cortex-a*) subarch=armv7a ;;
4547 cortex-r*) subarch=armv7r ;;
4548 cortex-m*) enable thumb; subarch=armv7m ;;
4549 arm11*) subarch=armv6 ;;
4550 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4551 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4552 *) subarch=$(probe_arm_arch) ;;
4558 armv5t*) enable fast_clz ;;
4561 disabled fast_unaligned || enable fast_unaligned
4565 elif enabled avr32; then
4570 cpuflags="-mpart=$cpu"
4574 cpuflags="-march=$cpu"
4578 cpuflags="-mcpu=$cpu"
4582 cpuflags="-march=$cpu"
4586 elif enabled bfin; then
4588 cpuflags="-mcpu=$cpu"
4590 elif enabled mips; then
4592 cpuflags="-march=$cpu"
4594 if [ "$cpu" != "generic" ]; then
4604 24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)
4615 enable local_aligned
4616 enable simd_align_16
4620 enable fast_unaligned
4621 disable aligned_stack
4627 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4630 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4633 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4638 # Unknown CPU. Disable everything.
4639 warn "unknown CPU. Disabling all MIPS optimizations."
4662 24kef*|34kf*|1004kf*)
4670 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"
4674 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4678 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4682 # We do not disable anything. Is up to the user to disable the unwanted features.
4683 warn 'generic cpu selected'
4686 elif enabled ppc; then
4690 case $(tolower $cpu) in
4691 601|ppc601|powerpc601)
4692 cpuflags="-mcpu=601"
4695 603*|ppc603*|powerpc603*)
4696 cpuflags="-mcpu=603"
4699 604*|ppc604*|powerpc604*)
4700 cpuflags="-mcpu=604"
4703 g3|75*|ppc75*|powerpc75*)
4704 cpuflags="-mcpu=750"
4707 g4|745*|ppc745*|powerpc745*)
4708 cpuflags="-mcpu=7450"
4711 74*|ppc74*|powerpc74*)
4712 cpuflags="-mcpu=7400"
4715 g5|970|ppc970|powerpc970)
4716 cpuflags="-mcpu=970"
4720 cpuflags="-mcpu=$cpu"
4724 cpuflags="-mcpu=$cpu"
4727 cpuflags="-mcpu=cell"
4732 cpuflags="-mcpu=e500mc"
4736 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4741 cpuflags="-mcpu=8540 -mhard-float"
4747 elif enabled sparc; then
4750 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4751 cpuflags="-mcpu=$cpu"
4753 ultrasparc*|niagara[234])
4754 cpuflags="-mcpu=$cpu"
4758 elif enabled x86; then
4762 cpuflags="-march=$cpu"
4766 # targets that do NOT support nopl and conditional mov (cmov)
4767 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4768 cpuflags="-march=$cpu"
4771 # targets that do support nopl and conditional mov (cmov)
4772 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4773 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\
4774 |amdfam10|barcelona|b[dt]ver*|znver*)
4775 cpuflags="-march=$cpu"
4779 # targets that do support conditional mov but on which it's slow
4780 pentium4|pentium4m|prescott|nocona)
4781 cpuflags="-march=$cpu"
4789 if [ "$cpu" != generic ]; then
4790 add_cflags $cpuflags
4791 add_asflags $cpuflags
4792 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4795 # compiler sanity check
4797 int main(void){ return 0; }
4799 if test "$?" != 0; then
4800 echo "$cc is unable to create an executable file."
4801 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4802 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4803 echo "Only do this if you know what cross compiling means."
4805 die "C compiler test failed."
4808 add_cppflags -D_ISOC99_SOURCE
4809 add_cxxflags -D__STDC_CONSTANT_MACROS
4810 check_cxxflags -std=c++11 || check_cxxflags -std=c++0x
4812 # some compilers silently accept -std=c11, so we also need to check that the
4813 # version macro is defined properly
4814 test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L" &&
4815 add_cflags -std=c11 ||
4816 check_cflags -std=c99
4818 check_cppflags -D_FILE_OFFSET_BITS=64
4819 check_cppflags -D_LARGEFILE_SOURCE
4821 add_host_cppflags -D_ISOC99_SOURCE
4822 check_host_cflags -std=c99
4823 check_host_cflags -Wall
4824 check_host_cflags $host_cflags_speed
4830 check_code cc "" "int test[2*($expr) - 1]" &&
4831 subarch=$arch64 || subarch=$arch32
4837 enabled shared && enable_weak pic
4840 check_64bit mips mips64 '_MIPS_SIM > 1'
4841 enabled shared && enable_weak pic
4844 check_64bit parisc parisc64 'sizeof(void *) > 4'
4845 enabled shared && enable_weak pic
4848 check_64bit ppc ppc64 'sizeof(void *) > 4'
4849 enabled shared && enable_weak pic
4852 check_64bit s390 s390x 'sizeof(void *) > 4'
4853 enabled shared && enable_weak pic
4856 check_64bit sparc sparc64 'sizeof(void *) > 4'
4857 enabled shared && enable_weak pic
4860 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4861 # Treat x32 as x64 for now. Note it also needs pic if shared
4862 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4863 subarch=x86_64 && enable x86_64 && disable x86_32
4864 if enabled x86_64; then
4865 enabled shared && enable_weak pic
4875 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4876 enabled shared && add_ldflags -Wl,-brtl
4877 arflags='-Xany -r -c'
4881 enable section_data_rel_ro
4882 SLIB_INSTALL_NAME='$(SLIBNAME)'
4884 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
4887 prefix_default="/boot/common"
4888 network_extralibs="-lnetwork"
4892 SHFLAGS='-shared -Wl,-h,$$(@F)'
4893 enabled x86 && append SHFLAGS -mimpure-text
4894 network_extralibs="-lsocket -lnsl"
4895 add_cppflags -D__EXTENSIONS__
4896 # When using suncc to build, the Solaris linker will mark
4897 # an executable with each instruction set encountered by
4898 # the Solaris assembler. As our libraries contain their own
4899 # guards for processor-specific code, instead suppress
4900 # generation of the HWCAPS ELF section on Solaris x86 only.
4901 enabled_all suncc x86 &&
4902 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4903 add_ldflags -Wl,-M,mapfile
4904 nm_default='nm -P -g'
4906 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
4910 oss_indev_extralibs="-lossaudio"
4911 oss_outdev_extralibs="-lossaudio"
4912 enabled gcc || check_ldflags -Wl,-zmuldefs
4917 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4919 oss_indev_extralibs="-lossaudio"
4920 oss_outdev_extralibs="-lossaudio"
4928 add_extralibs -lpoll -lgnugetopt
4932 enabled ppc && add_asflags -force_cpusubtype_ALL
4933 install_name_dir_default='$(SHLIBDIR)'
4934 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4935 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4937 add_ldflags -Wl,-dynamic,-search_paths_first
4938 check_cflags -Werror=partial-availability
4940 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4941 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4942 enabled x86_64 && objformat="macho64" || objformat="macho32"
4943 enabled_any pic shared x86_64 ||
4944 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4945 check_header dispatch/dispatch.h &&
4946 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
4947 if test -n "$sysroot"; then
4948 is_in -isysroot $cc $CPPFLAGS $CFLAGS || check_cppflags -isysroot $sysroot
4949 is_in -isysroot $ld $LDFLAGS || check_ldflags -isysroot $sysroot
4951 version_script='-exported_symbols_list'
4952 VERSION_SCRIPT_POSTPROCESS_CMD='tr " " "\n" | sed -n /global:/,/local:/p | grep ";" | tr ";" "\n" | sed -E "s/(.+)/_\1/g" | sed -E "s/(.+[^*])$$$$/\1*/"'
4955 die "Native MSYS builds are discouraged, please use the MINGW environment."
4959 if enabled shared; then
4960 # Cannot build both shared and static libs when using dllimport.
4963 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4964 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4965 shlibdir_default="$bindir_default"
4968 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4969 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4970 SLIB_EXTRA_CMD='cp $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4971 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4973 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4974 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4975 SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" AR="$(AR_CMD)" NM="$(NM_CMD)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4976 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--disable-auto-image-base $$(@:$(SLIBSUF)=.def)'
4977 enabled x86_64 && objformat="win64" || objformat="win32"
4980 check_ldflags -Wl,--nxcompat,--dynamicbase
4981 # Lets work around some stupidity in binutils.
4982 # ld will strip relocations from executables even though we need them
4983 # for dynamicbase (ASLR). Using -pie does retain the reloc section
4984 # however ld then forgets what the entry point should be (oops) so we
4985 # have to manually (re)set it.
4986 if enabled x86_32; then
4987 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
4988 elif enabled x86_64; then
4989 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
4990 check_ldflags -Wl,--high-entropy-va # binutils 2.25
4991 # Set image base >4GB for extra entropy with HEASLR
4992 add_ldexeflags -Wl,--image-base,0x140000000
4993 append SHFLAGS -Wl,--image-base,0x180000000
4998 if enabled shared; then
4999 # Link to the import library instead of the normal static library
5002 # Cannot build both shared and static libs with MSVC or icl.
5005 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
5006 shlibdir_default="$bindir_default"
5009 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5010 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5011 SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
5012 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5014 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
5015 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
5016 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
5017 enabled x86_64 && objformat="win64" || objformat="win32"
5023 shlibdir_default="$bindir_default"
5026 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5027 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5028 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5030 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
5031 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
5032 enabled x86_64 && objformat="win64" || objformat="win32"
5034 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
5035 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5037 *-dos|freedos|opendos)
5038 network_extralibs="-lsocket"
5041 add_cppflags -U__STRICT_ANSI__
5044 enable section_data_rel_ro
5045 enabled_any arm aarch64 && enable_weak linux_perf
5049 ranlib="echo ignoring ranlib"
5055 add_cppflags -D_GNU_SOURCE
5056 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap
5057 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
5061 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5062 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
5063 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \
5064 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \
5065 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \
5066 echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \
5067 emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def'
5068 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \
5069 emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;'
5070 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5072 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib'
5074 enable_weak os2threads
5077 add_cppflags -D_BSD_SOURCE
5082 add_cppflags -D_QNX_SOURCE
5083 network_extralibs="-lsocket"
5088 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
5089 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
5090 add_ldflags -Wl,--target1-abs,--no-undefined \
5091 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
5092 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
5093 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
5094 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
5095 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
5102 die "Unknown OS '$target_os'."
5106 # test if creating links works
5107 link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)
5108 link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)
5110 $ln_s "$link_dest" "$link_name"
5111 touch "$link_dest/test_file"
5112 if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then
5113 # create link to source path
5114 [ -e src ] && rm src
5115 $ln_s "$source_path" src
5118 # creating directory links doesn't work
5119 # fall back to using the full source path
5120 source_link="$source_path"
5126 # determine libc flavour
5131 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
5132 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
5133 eval ${pfx}libc_type=uclibc
5134 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5135 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
5136 eval ${pfx}libc_type=glibc
5137 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5138 # MinGW headers can be installed on Cygwin, so check for newlib first.
5139 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
5140 eval ${pfx}libc_type=newlib
5141 add_${pfx}cppflags -U__STRICT_ANSI__ -D_XOPEN_SOURCE=600
5142 # MinGW64 is backwards compatible with MinGW32, so check for it first.
5143 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
5144 eval ${pfx}libc_type=mingw64
5145 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
5146 add_compat msvcrt/snprintf.o
5147 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
5149 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5150 eval test \$${pfx_no_}cc_type = "gcc" &&
5151 add_${pfx}cppflags -D__printf__=__gnu_printf__
5152 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
5153 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
5154 eval ${pfx}libc_type=mingw32
5155 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
5156 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
5157 die "ERROR: MinGW32 runtime version must be >= 3.15."
5158 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5159 check_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700" &&
5160 add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700
5161 check_${pfx}cpp_condition windows.h "defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0502" &&
5162 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
5163 eval test \$${pfx_no_}cc_type = "gcc" &&
5164 add_${pfx}cppflags -D__printf__=__gnu_printf__
5165 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
5166 eval ${pfx}libc_type=msvcrt
5167 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
5168 if [ "$pfx" = host_ ]; then
5169 add_host_cppflags -Dsnprintf=_snprintf
5171 add_compat strtod.o strtod=avpriv_strtod
5172 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
5173 _snprintf=avpriv_snprintf \
5174 vsnprintf=avpriv_vsnprintf
5177 add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS
5178 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
5179 # 0x601 by default unless something else is set by the user.
5180 # This can easily lead to us detecting functions only present
5181 # in such new versions and producing binaries requiring windows 7.0.
5182 # Therefore explicitly set the default to XP unless the user has
5183 # set something else on the command line.
5184 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
5185 # family. For these cases, configure is free to use any functions
5186 # found in the SDK headers by default. (Alternatively, we could force
5187 # _WIN32_WINNT to 0x0602 in that case.)
5188 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
5189 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }
5190 #ifdef WINAPI_FAMILY
5191 #include <winapifamily.h>
5192 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
5197 if [ "$pfx" = "" ]; then
5198 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
5199 check_func strtoull || add_cflags -Dstrtoull=_strtoui64
5201 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
5202 eval ${pfx}libc_type=klibc
5203 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
5204 eval ${pfx}libc_type=bionic
5205 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
5206 eval ${pfx}libc_type=solaris
5207 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
5209 check_${pfx}cc <<EOF
5211 void *v = localtime_r;
5213 test "$?" != 0 && check_${pfx}cc -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 <<EOF && add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5215 void *v = localtime_r;
5218 eval test -n "\${${pfx}libc_type}" && enable ${pfx}libc_${libc_type}
5224 # hacks for compiler/libc/os combinations
5228 add_compat strtod.o strtod=avpriv_strtod
5232 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
5233 add_cppflags '-I\$(SRC_PATH)/compat/float'
5235 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
5238 : ${shlibdir_default:="$libdir"}
5239 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
5241 set_default $PATHS_LIST
5244 disabled optimizations || enabled ossfuzz || check_cflags -fomit-frame-pointer
5247 disabled pic && return
5250 case "$target_os" in
5251 mingw*|cygwin*|win*)
5260 enabled pic && enable_weak_pic
5262 check_cc <<EOF || die "Symbol mangling check failed."
5265 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
5266 extern_prefix=${sym%%ff_extern*}
5268 ! disabled inline_asm && check_inline_asm inline_asm '"" ::'
5271 for restrict_keyword in restrict __restrict__ __restrict; do
5272 check_cc <<EOF && _restrict=$restrict_keyword && break
5273 void foo(char * $restrict_keyword p);
5277 check_cc <<EOF && enable pragma_deprecated
5278 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
5281 check_cc <<EOF || die "endian test failed"
5282 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
5284 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
5286 check_cc <<EOF && enable const_nan
5288 void foo(void) { struct { double d; } static const bar[] = { { NAN } }; }
5291 if ! enabled ppc64 || enabled bigendian; then
5296 log "check_gas using '$as' as AS"
5297 # :vararg is used on aarch64, arm and ppc altivec
5298 check_as <<EOF || return 1
5299 .macro m n, y:vararg=0
5304 # .altmacro is only used in arm asm
5305 ! enabled arm || check_as <<EOF || return 1
5312 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
5314 enabled_any arm aarch64 && nogas=die
5315 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
5319 arm*) gaspp_as_type=armasm; as_noop=-h ;;
5320 gcc) gaspp_as_type=gas ;;
5321 *) gaspp_as_type=$as_type ;;
5324 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
5326 test "${as#*gas-preprocessor.pl}" != "$as" ||
5327 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
5328 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
5330 if ! check_gas ; then
5333 $nogas "GNU assembler not found, install/update gas-preprocessor"
5336 check_as <<EOF && enable as_func
5342 check_inline_asm inline_asm_labels '"1:\n"'
5344 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
5346 if enabled aarch64; then
5347 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
5348 # internal assembler in clang 3.3 does not support this instruction
5349 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
5350 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
5352 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
5354 elif enabled alpha; then
5358 elif enabled arm; then
5360 enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb
5362 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
5363 float func(float a, float b){ return a+b; }
5366 enabled thumb && check_cflags -mthumb || check_cflags -marm
5368 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
5370 elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
5372 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
5373 case "${cross_prefix:-$cc}" in
5374 *hardfloat*) enable vfp_args; fpabi=vfp ;;
5375 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
5376 __asm__ (".eabi_attribute 28, 1");
5377 int main(void) { return 0; }
5380 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
5383 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
5384 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
5385 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
5386 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
5387 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
5388 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
5389 enabled setend && check_insn setend 'setend be'
5391 [ $target_os = linux ] || [ $target_os = android ] ||
5392 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
5395 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
5397 check_as <<EOF && enable as_arch_directive
5400 check_as <<EOF && enable as_fpu_directive
5404 # llvm's integrated assembler supports .object_arch from llvm 3.5
5405 [ "$objformat" = elf32 ] || [ "$objformat" = elf64 ] &&
5406 check_as <<EOF && enable as_object_arch
5410 # MS armasm fails to assemble our PIC constructs
5411 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
5413 elif enabled mips; then
5415 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
5416 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
5417 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
5419 # Enable minimum ISA based on selected options
5420 if enabled mips64; then
5421 enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'
5422 enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'
5423 disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'
5425 enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'
5426 enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'
5427 enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'
5428 disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'
5431 enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'
5432 enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'
5433 enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_header msa.h || disable msa
5434 enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'
5435 enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'
5437 if enabled bigendian && enabled msa; then
5441 elif enabled parisc; then
5443 if enabled gcc; then
5444 case $($cc -dumpversion) in
5445 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
5449 elif enabled ppc; then
5451 enable local_aligned
5453 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
5454 check_inline_asm ibm_asm '"add 0, 0, 0"'
5455 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
5456 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
5458 if enabled altivec; then
5459 check_cflags -maltivec -mabi=altivec
5461 # check if our compiler supports Motorola AltiVec C API
5462 check_code cc altivec.h "vector signed int v1 = (vector signed int) { 0 };
5463 vector signed int v2 = (vector signed int) { 1 };
5464 v1 = vec_add(v1, v2);" ||
5467 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
5470 if enabled vsx; then
5471 check_cflags -mvsx &&
5472 check_code cc altivec.h "int v[4] = { 0 };
5473 vector signed int v1 = vec_vsx_ld(0, v);" ||
5477 if enabled power8; then
5478 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
5481 elif enabled x86; then
5483 check_builtin rdtsc intrin.h "__rdtsc()"
5484 check_builtin mm_empty mmintrin.h "_mm_empty()"
5486 enable local_aligned
5488 # check whether EBP is available on x86
5489 # As 'i' is stored on the stack, this program will crash
5490 # if the base pointer is used to access it because the
5491 # base pointer is cleared in the inline assembly code.
5492 check_exec_crash <<EOF && enable ebp_available
5494 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
5498 # check whether EBX is available on x86
5499 check_inline_asm ebx_available '""::"b"(0)' &&
5500 check_inline_asm ebx_available '"":::"%ebx"'
5502 # check whether xmm clobbers are supported
5503 check_inline_asm xmm_clobbers '"":::"%xmm0"'
5505 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
5506 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
5508 # check whether binutils is new enough to compile SSSE3/MMXEXT
5509 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
5510 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
5514 if check_cmd $x86asmexe_probe -v; then
5515 x86asmexe=$x86asmexe_probe
5517 x86asm_debug="-g -F dwarf"
5519 X86ASM_DEPFLAGS='-MD $(@:.o=.d)'
5520 elif check_cmd $x86asmexe_probe --version; then
5521 x86asmexe=$x86asmexe_probe
5523 x86asm_debug="-g dwarf2"
5524 X86ASMDEP='$(DEPX86ASM) $(X86ASMFLAGS) -M $(X86ASM_O) $< > $(@:.o=.d)'
5527 check_x86asm "movbe ecx, [5]" && enable x86asm
5530 if ! disabled_any asm mmx x86asm; then
5532 for program in $x86asmexe nasm yasm; do
5533 probe_x86asm $program && break
5535 disabled x86asm && die "nasm/yasm not found or too old. Use --disable-x86asm for a crippled build."
5536 X86ASMFLAGS="-f $objformat"
5537 enabled pic && append X86ASMFLAGS "-DPIC"
5538 test -n "$extern_prefix" && append X86ASMFLAGS "-DPREFIX"
5539 case "$objformat" in
5540 elf*) enabled debug && append X86ASMFLAGS $x86asm_debug ;;
5543 check_x86asm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
5544 check_x86asm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
5545 check_x86asm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
5546 check_x86asm "CPU amdnop" || disable cpunop
5550 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
5557 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
5559 check_ldflags -Wl,--as-needed
5560 check_ldflags -Wl,-z,noexecstack
5562 if ! disabled network; then
5563 check_func getaddrinfo $network_extralibs
5564 check_func inet_aton $network_extralibs
5566 check_type netdb.h "struct addrinfo"
5567 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
5568 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
5569 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
5570 check_type poll.h "struct pollfd"
5571 check_type netinet/sctp.h "struct sctp_event_subscribe"
5572 check_struct "sys/socket.h" "struct msghdr" msg_flags
5573 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5574 check_type netinet/in.h "struct sockaddr_in6"
5575 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
5576 check_type "sys/types.h sys/socket.h" socklen_t
5578 # Prefer arpa/inet.h over winsock2
5579 if check_header arpa/inet.h ; then
5580 check_func closesocket
5581 elif check_header winsock2.h ; then
5582 check_func_headers winsock2.h closesocket -lws2 &&
5583 network_extralibs="-lws2" ||
5584 { check_func_headers winsock2.h closesocket -lws2_32 &&
5585 network_extralibs="-lws2_32"; } || disable winsock2_h network
5586 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
5588 check_type ws2tcpip.h socklen_t
5589 check_type ws2tcpip.h "struct addrinfo"
5590 check_type ws2tcpip.h "struct group_source_req"
5591 check_type ws2tcpip.h "struct ip_mreq_source"
5592 check_type ws2tcpip.h "struct ipv6_mreq"
5593 check_type winsock2.h "struct pollfd"
5594 check_struct winsock2.h "struct sockaddr" sa_len
5595 check_type ws2tcpip.h "struct sockaddr_in6"
5596 check_type ws2tcpip.h "struct sockaddr_storage"
5602 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
5603 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
5604 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
5605 check_builtin sarestart signal.h "SA_RESTART"
5606 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
5607 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
5608 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
5609 check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR"
5611 case "$custom_allocator" in
5613 # jemalloc by default does not use a prefix
5614 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
5617 require_pkg_config libtcmalloc libtcmalloc gperftools/tcmalloc.h tc_malloc
5622 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
5623 check_func ${malloc_prefix}memalign && enable memalign
5624 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5627 check_func_headers stdlib.h arc4random
5628 check_lib clock_gettime time.h clock_gettime || check_lib clock_gettime time.h clock_gettime -lrt
5631 check_func gethrtime
5633 check_func getrusage
5634 check_func gettimeofday
5639 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5640 check_func_headers time.h nanosleep || check_lib nanosleep time.h nanosleep -lrt
5641 check_func sched_getaffinity
5642 check_func setrlimit
5643 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5644 check_func strerror_r
5649 check_func_headers conio.h kbhit
5650 check_func_headers io.h setmode
5651 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5652 check_func_headers mach/mach_time.h mach_absolute_time
5653 check_func_headers stdlib.h getenv
5654 check_func_headers sys/stat.h lstat
5656 check_func_headers windows.h GetProcessAffinityMask
5657 check_func_headers windows.h GetProcessTimes
5658 check_func_headers windows.h GetSystemTimeAsFileTime
5659 check_func_headers windows.h LoadLibrary
5660 check_func_headers windows.h MapViewOfFile
5661 check_func_headers windows.h PeekNamedPipe
5662 check_func_headers windows.h SetConsoleTextAttribute
5663 check_func_headers windows.h SetConsoleCtrlHandler
5664 check_func_headers windows.h Sleep
5665 check_func_headers windows.h VirtualAlloc
5666 check_struct windows.h "CONDITION_VARIABLE" Ptr
5667 check_func_headers glob.h glob
5669 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5671 check_header direct.h
5672 check_header dirent.h
5673 check_header dxgidebug.h
5675 check_header dxva2api.h -D_WIN32_WINNT=0x0600
5677 check_header libcrystalhd/libcrystalhd_if.h
5678 check_header malloc.h
5679 check_header net/udplite.h
5681 check_header sys/param.h
5682 check_header sys/resource.h
5683 check_header sys/select.h
5684 check_header sys/time.h
5685 check_header sys/un.h
5686 check_header termios.h
5687 check_header unistd.h
5688 check_header valgrind/valgrind.h
5689 check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox
5690 check_header windows.h
5691 check_header X11/extensions/XvMClib.h
5692 check_header asm/types.h
5694 # it seems there are versions of clang in some distros that try to use the
5695 # gcc headers, which explodes for stdatomic
5696 # so we also check that atomics actually work here
5697 check_builtin stdatomic stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0)"
5699 check_lib advapi32 "windows.h" RegCloseKey -ladvapi32
5700 check_lib ole32 "windows.h" CoTaskMemFree -lole32
5701 check_lib shell32 "windows.h shellapi.h" CommandLineToArgvW -lshell32
5702 check_lib wincrypt "windows.h wincrypt.h" CryptGenRandom -ladvapi32
5703 check_lib psapi "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5705 enabled appkit && check_apple_framework AppKit
5706 enabled audiotoolbox && check_apple_framework AudioToolbox
5707 enabled avfoundation && check_apple_framework AVFoundation
5708 enabled coreimage && check_apple_framework CoreImage
5709 enabled videotoolbox && check_apple_framework VideoToolbox
5711 check_apple_framework CoreFoundation
5712 check_apple_framework CoreMedia
5713 check_apple_framework CoreVideo
5715 enabled avfoundation && {
5716 disable coregraphics applicationservices
5717 check_lib coregraphics CoreGraphics/CoreGraphics.h CGGetActiveDisplayList "-framework CoreGraphics" ||
5718 check_lib applicationservices ApplicationServices/ApplicationServices.h CGGetActiveDisplayList "-framework ApplicationServices"; }
5720 enabled videotoolbox && {
5721 check_lib coreservices CoreServices/CoreServices.h UTGetOSTypeFromString "-framework CoreServices"
5722 check_func_headers CoreMedia/CMFormatDescription.h kCMVideoCodecType_HEVC "-framework CoreMedia"
5725 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
5727 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5728 check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5729 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
5730 check_type "windows.h d3d11.h" "ID3D11VideoContext"
5731 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
5733 check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC"
5734 check_type "va/va.h va/va_dec_vp8.h" "VAPictureParameterBufferVP8"
5735 check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth
5736 check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"
5737 check_type "va/va.h va/va_enc_h264.h" "VAEncPictureParameterBufferH264"
5738 check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"
5739 check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"
5740 check_type "va/va.h va/va_enc_mpeg2.h" "VAEncPictureParameterBufferMPEG2"
5741 check_type "va/va.h va/va_enc_vp8.h" "VAEncPictureParameterBufferVP8"
5742 check_type "va/va.h va/va_enc_vp9.h" "VAEncPictureParameterBufferVP9"
5744 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
5746 check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt
5748 if ! disabled w32threads && ! enabled pthreads; then
5749 check_func_headers "windows.h process.h" _beginthreadex &&
5750 enable w32threads || disable w32threads
5751 if ! enabled w32threads && enabled winrt; then
5752 check_func_headers "windows.h" CreateThread &&
5753 enable w32threads || disable w32threads
5757 # check for some common methods of building with pthread support
5758 # do this before the optional library checks as some of them require pthreads
5759 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
5760 if check_lib pthreads pthread.h pthread_join -pthread &&
5761 check_lib pthreads pthread.h pthread_create -pthread; then
5763 elif check_lib pthreads pthread.h pthread_join -pthreads &&
5764 check_lib pthreads pthread.h pthread_create -pthreads; then
5765 add_cflags -pthreads
5766 elif check_lib pthreads pthread.h pthread_join -ldl -pthread &&
5767 check_lib pthreads pthread.h pthread_create -ldl -pthread; then
5768 add_cflags -ldl -pthread
5769 elif check_lib pthreads pthread.h pthread_join -lpthreadGC2 &&
5770 check_lib pthreads pthread.h pthread_create -lpthreadGC2; then
5772 elif check_lib pthreads pthread.h pthread_join -lpthread &&
5773 check_lib pthreads pthread.h pthread_create -lpthread; then
5775 elif check_func pthread_join && check_func pthread_create; then
5778 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
5780 if enabled pthreads; then
5781 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" $pthreads_extralibs
5782 check_func pthread_cancel $pthreads_extralibs
5786 enabled zlib && check_lib zlib zlib.h zlibVersion -lz
5787 enabled bzlib && check_lib bzlib bzlib.h BZ2_bzlibVersion -lbz2
5788 enabled lzma && check_lib lzma lzma.h lzma_version_number -llzma
5790 # On some systems dynamic loading requires no extra linker flags
5791 check_lib libdl dlfcn.h "dlopen dlsym" || check_lib libdl dlfcn.h "dlopen dlsym" -ldl
5793 check_lib libm math.h sin -lm
5801 for func in $MATH_FUNCS; do
5802 eval check_mathfunc $func \${${func}_args:-1} $libm_extralibs
5805 for func in $COMPLEX_FUNCS; do
5806 eval check_complexfunc $func \${${func}_args:-1}
5809 # these are off by default, so fail if requested and not available
5810 enabled cuda_sdk && require cuda_sdk cuda.h cuCtxCreate -lcuda
5811 enabled chromaprint && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
5812 enabled decklink && { require_header DeckLinkAPI.h &&
5813 { check_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a060100" || die "ERROR: Decklink API version must be >= 10.6.1."; } }
5814 enabled libndi_newtek && require_header Processing.NDI.Lib.h
5815 enabled frei0r && require_header frei0r.h
5816 enabled gmp && require gmp gmp.h mpz_export -lgmp
5817 enabled gnutls && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init
5818 enabled jni && { [ $target_os = "android" ] && check_header jni.h && enabled pthreads || die "ERROR: jni not found"; }
5819 enabled ladspa && require_header ladspa.h
5820 enabled lv2 && require_pkg_config lv2 lilv-0 "lilv-0/lilv/lilv.h" lilv_world_new
5821 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
5822 enabled libass && require_pkg_config libass libass ass/ass.h ass_library_init
5823 enabled libbluray && require_pkg_config libbluray libbluray libbluray/bluray.h bd_open
5824 enabled libbs2b && require_pkg_config libbs2b libbs2b bs2b.h bs2b_open
5825 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
5826 { check_lib libcelt celt/celt.h celt_decoder_create_custom -lcelt0 ||
5827 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
5828 enabled libcaca && require_pkg_config libcaca caca caca.h caca_create_canvas
5829 enabled libdc1394 && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new
5830 enabled libdrm && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion
5831 enabled libfdk_aac && { check_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
5832 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
5833 warn "using libfdk without pkg-config"; } }
5834 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"
5835 enabled libflite && require libflite "flite/flite.h" flite_init $flite_extralibs
5836 enabled fontconfig && enable libfontconfig
5837 enabled libfontconfig && require_pkg_config libfontconfig fontconfig "fontconfig/fontconfig.h" FcInit
5838 enabled libfreetype && require_pkg_config libfreetype freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType
5839 enabled libfribidi && require_pkg_config libfribidi fribidi fribidi.h fribidi_version_info
5840 enabled libgme && { check_pkg_config libgme libgme gme/gme.h gme_new_emu ||
5841 require libgme gme/gme.h gme_new_emu -lgme -lstdc++; }
5842 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
5843 check_lib libgsm "${gsm_hdr}" gsm_create -lgsm && break;
5844 done || die "ERROR: libgsm not found"; }
5845 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc $pthreads_extralibs
5846 enabled libkvazaar && require_pkg_config libkvazaar "kvazaar >= 0.8.1" kvazaar.h kvz_api_get
5847 # While it may appear that require is being used as a pkg-config
5848 # fallback for libmfx, it is actually being used to detect a different
5849 # installation route altogether. If libmfx is installed via the Intel
5850 # Media SDK or Intel Media Server Studio, these don't come with
5851 # pkg-config support. Instead, users should make sure that the build
5852 # can find the libraries and headers through other means.
5853 enabled libmfx && { check_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit ||
5854 { require libmfx "mfx/mfxvideo.h" MFXInit "-llibmfx $advapi32_extralibs" && warn "using libmfx without pkg-config"; } }
5855 enabled libmodplug && require_pkg_config libmodplug libmodplug libmodplug/modplug.h ModPlug_Load
5856 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
5857 enabled libmysofa && require libmysofa "mysofa.h" mysofa_load -lmysofa $zlib_extralibs
5858 enabled libnpp && { check_lib libnpp npp.h nppGetLibVersion -lnppig -lnppicc -lnppc ||
5859 check_lib libnpp npp.h nppGetLibVersion -lnppi -lnppc ||
5860 die "ERROR: libnpp not found"; }
5861 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
5862 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
5863 enabled libopencv && { check_header opencv2/core/core_c.h &&
5864 { check_pkg_config libopencv opencv opencv2/core/core_c.h cvCreateImageHeader ||
5865 require libopencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||
5866 require_pkg_config libopencv opencv opencv/cxcore.h cvCreateImageHeader; }
5867 enabled libopenh264 && require_pkg_config libopenh264 openh264 wels/codec_api.h WelsGetCodecVersion
5868 enabled libopenjpeg && { check_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version ||
5869 { require_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } }
5870 enabled libopenmpt && require_pkg_config libopenmpt "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create -lstdc++ && append libopenmpt_extralibs "-lstdc++"
5871 enabled libopus && {
5872 enabled libopus_decoder && {
5873 require_pkg_config libopus opus opus_multistream.h opus_multistream_decoder_create
5875 enabled libopus_encoder && {
5876 require_pkg_config libopus opus opus_multistream.h opus_multistream_surround_encoder_create
5879 enabled libpulse && require_pkg_config libpulse libpulse pulse/pulseaudio.h pa_context_new
5880 enabled librsvg && require_pkg_config librsvg librsvg-2.0 librsvg-2.0/librsvg/rsvg.h rsvg_handle_render_cairo
5881 enabled librtmp && require_pkg_config librtmp librtmp librtmp/rtmp.h RTMP_Socket
5882 enabled librubberband && require_pkg_config librubberband "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new -lstdc++ && append librubberband_extralibs "-lstdc++"
5883 enabled libshine && require_pkg_config libshine shine shine/layer3.h shine_encode_buffer
5884 enabled libsmbclient && { check_pkg_config libsmbclient smbclient libsmbclient.h smbc_init ||
5885 require libsmbclient libsmbclient.h smbc_init -lsmbclient; }
5886 enabled libsnappy && require libsnappy snappy-c.h snappy_compress -lsnappy -lstdc++
5887 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
5888 enabled libssh && require_pkg_config libssh libssh libssh/sftp.h sftp_init
5889 enabled libspeex && require_pkg_config libspeex speex speex/speex.h speex_decoder_init
5890 enabled libtesseract && require_pkg_config libtesseract tesseract tesseract/capi.h TessBaseAPICreate
5891 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
5892 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
5893 { check_lib libtwolame twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
5894 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
5895 enabled libv4l2 && require_pkg_config libv4l2 libv4l2 libv4l2.h v4l2_ioctl
5896 enabled libvidstab && require_pkg_config libvidstab "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
5897 enabled libvmaf && require_pkg_config libvmaf libvmaf libvmaf.h compute_vmaf
5898 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
5899 enabled libvorbis && require_pkg_config libvorbis vorbis vorbis/codec.h vorbis_info_init &&
5900 require_pkg_config libvorbisenc vorbisenc vorbis/vorbisenc.h vorbis_encode_init
5903 enabled libvpx_vp8_decoder && {
5904 check_pkg_config libvpx_vp8_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
5905 check_lib libvpx_vp8_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||
5906 die "ERROR: libvpx decoder version must be >=1.4.0";
5908 enabled libvpx_vp8_encoder && {
5909 check_pkg_config libvpx_vp8_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
5910 check_lib libvpx_vp8_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||
5911 die "ERROR: libvpx encoder version must be >=1.4.0";
5913 enabled libvpx_vp9_decoder && {
5914 check_pkg_config libvpx_vp9_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
5915 check_lib libvpx_vp9_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx VPX_IMG_FMT_HIGHBITDEPTH" -lvpx
5917 enabled libvpx_vp9_encoder && {
5918 check_pkg_config libvpx_vp9_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
5919 check_lib libvpx_vp9_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VPX_IMG_FMT_HIGHBITDEPTH" -lvpx
5921 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
5922 die "libvpx enabled but no supported decoders found"
5926 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
5927 enabled libwebp && {
5928 enabled libwebp_encoder && require_pkg_config libwebp "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
5929 enabled libwebp_anim_encoder && check_pkg_config libwebp_anim_encoder "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit; }
5930 enabled libx264 && { check_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode ||
5931 { require libx264 "stdint.h x264.h" x264_encoder_encode -lx264 &&
5932 warn "using libx264 without pkg-config"; } } &&
5933 require_cpp_condition x264.h "X264_BUILD >= 118" &&
5934 { check_cpp_condition x264.h "X264_MPEG2" &&
5936 enabled libx265 && require_pkg_config libx265 x265 x265.h x265_api_get &&
5937 require_cpp_condition x265.h "X265_BUILD >= 68"
5938 enabled libxavs && require libxavs "stdint.h xavs.h" xavs_encoder_encode "-lxavs $pthreads_extralibs $libm_extralibs"
5939 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
5940 enabled libzimg && require_pkg_config libzimg "zimg >= 2.6.2" zimg.h zimg_get_api_version
5941 enabled libzmq && require_pkg_config libzmq libzmq zmq.h zmq_ctx_new
5942 enabled libzvbi && require_pkg_config libzvbi zvbi-0.2 libzvbi.h vbi_decoder_new &&
5943 { check_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||
5944 enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }
5945 enabled libxml2 && require_pkg_config libxml2 libxml-2.0 libxml2/libxml/xmlversion.h xmlCheckVersion
5946 enabled mediacodec && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }
5947 enabled mmal && { check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
5948 { ! enabled cross_compile &&
5949 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline &&
5950 add_ldflags -L/opt/vc/lib/ &&
5951 check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host; } ||
5952 die "ERROR: mmal not found" &&
5953 check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"; }
5954 enabled openal && { { for al_extralibs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
5955 check_lib openal 'AL/al.h' alGetError "${al_extralibs}" && break; done } ||
5956 die "ERROR: openal not found"; } &&
5957 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
5958 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
5959 enabled opencl && { check_lib opencl OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
5960 check_lib opencl CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
5961 die "ERROR: opencl not found"; } &&
5962 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
5963 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
5964 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
5965 enabled opengl && { check_lib opengl GL/glx.h glXGetProcAddress "-lGL" ||
5966 check_lib opengl windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
5967 check_lib opengl OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
5968 check_lib opengl ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
5969 die "ERROR: opengl not found."
5971 enabled omx && require_header OMX_Core.h
5972 enabled omx_rpi && { check_header OMX_Core.h ||
5973 { ! enabled cross_compile && add_cflags -isystem/opt/vc/include/IL && check_header OMX_Core.h ; } ||
5974 die "ERROR: OpenMAX IL headers not found"; } && enable omx
5975 enabled openssl && { check_pkg_config openssl openssl openssl/ssl.h OPENSSL_init_ssl ||
5976 check_pkg_config openssl openssl openssl/ssl.h SSL_library_init ||
5977 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto ||
5978 check_lib openssl openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
5979 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
5980 die "ERROR: openssl not found"; }
5981 enabled rkmpp && { { require_pkg_config rkmpp rockchip_mpp rockchip/rk_mpi.h mpp_create ||
5982 die "ERROR : Rockchip MPP was not found."; } &&
5983 { check_func_headers rockchip/rk_mpi_cmd.h "MPP_DEC_GET_FREE_PACKET_SLOT_COUNT" ||
5984 die "ERROR: Rockchip MPP is outdated, please get a more recent one."; } &&
5986 die "ERROR: rkmpp requires --enable-libdrm"; }
5989 if enabled gcrypt; then
5990 GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"
5991 if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then
5992 gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)
5993 gcrypt_extralibs=$("${GCRYPT_CONFIG}" --libs)
5994 check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_extralibs ||
5995 die "ERROR: gcrypt not found"
5996 add_cflags $gcrypt_cflags
5998 require gcrypt gcrypt.h gcry_mpi_new -lgcrypt
6002 if enabled sdl2; then
6003 SDL2_CONFIG="${cross_prefix}sdl2-config"
6004 if test_pkg_config sdl2 "sdl2 >= 2.0.1 sdl2 < 2.1.0" SDL_events.h SDL_PollEvent; then
6005 check_func SDL_Init $sdl2_extralibs $sdl2_cflags ||
6007 elif "${SDL2_CONFIG}" --version > /dev/null 2>&1; then
6008 sdl2_cflags=$("${SDL2_CONFIG}" --cflags)
6009 sdl2_extralibs=$("${SDL2_CONFIG}" --libs)
6010 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&
6011 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&
6012 check_func SDL_Init $sdl2_extralibs $sdl2_cflags &&
6015 if test $target_os = "mingw32"; then
6016 sdl2_extralibs=$(filter_out '-mwindows' $sdl2_extralibs)
6020 if enabled decklink; then
6022 mingw32*|mingw64*|win32|win64)
6023 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
6024 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
6029 enabled securetransport &&
6030 check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
6031 check_lib securetransport "Security/SecureTransport.h Security/Security.h" "SSLCreateContext" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" ||
6032 disable securetransport
6034 enabled securetransport &&
6035 check_func SecItemImport "-Wl,-framework,CoreFoundation -Wl,-framework,Security"
6038 check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&
6039 check_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" &&
6040 schannel_extralibs="-lsecur32" ||
6043 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
6045 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
6046 && enable makeinfo_html || disable makeinfo_html
6047 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
6048 perl -v > /dev/null 2>&1 && enable perl || disable perl
6049 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
6050 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
6052 # check V4L2 codecs available in the API
6053 check_header linux/fb.h
6054 check_header linux/videodev2.h
6055 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6056 check_code cc linux/videodev2.h "int i = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_VIDEO_M2M | V4L2_BUF_FLAG_LAST;" || disable v4l2_m2m
6057 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VC1_ANNEX_G;" && enable vc1_v4l2_m2m
6058 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG1;" && enable mpeg1_v4l2_m2m
6059 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG2;" && enable mpeg2_v4l2_m2m
6060 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG4;" && enable mpeg4_v4l2_m2m
6061 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_HEVC;" && enable hevc_v4l2_m2m
6062 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_H263;" && enable h263_v4l2_m2m
6063 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_H264;" && enable h264_v4l2_m2m
6064 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VP8;" && enable vp8_v4l2_m2m
6065 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VP9;" && enable vp9_v4l2_m2m
6067 check_header sys/videoio.h
6068 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6070 check_lib user32 "windows.h winuser.h" GetShellWindow -luser32
6071 check_lib vfw32 "windows.h vfw.h" capCreateCaptureWindow -lvfw32
6072 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
6073 # w32api 3.12 had it defined wrong
6074 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
6076 check_type "dshow.h" IBaseFilter
6078 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
6079 check_header "dev/bktr/ioctl_meteor.h dev/bktr/ioctl_bt848.h" ||
6080 check_header "machine/ioctl_meteor.h machine/ioctl_bt848.h" ||
6081 check_header "dev/video/meteor/ioctl_meteor.h dev/video/bktr/ioctl_bt848.h" ||
6082 check_header "dev/ic/bt8xx.h"
6084 if check_struct sys/soundcard.h audio_buf_info bytes; then
6085 enable_sanitized sys/soundcard.h
6087 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_sanitized sys/soundcard.h
6088 #include <sys/soundcard.h>
6093 enabled alsa && check_pkg_config alsa alsa "alsa/asoundlib.h" snd_pcm_htimestamp ||
6094 check_lib alsa alsa/asoundlib.h snd_pcm_htimestamp -lasound
6097 require_pkg_config libjack jack jack/jack.h jack_port_get_latency_range
6099 enabled sndio && check_lib sndio sndio.h sio_open -lsndio
6101 if enabled libcdio; then
6102 check_pkg_config libcdio libcdio_paranoia "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open ||
6103 check_pkg_config libcdio libcdio_paranoia "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open ||
6104 check_lib libcdio "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6105 check_lib libcdio "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6106 die "ERROR: No usable libcdio/cdparanoia found"
6109 enabled libxcb && check_pkg_config libxcb "xcb >= 1.4" xcb/xcb.h xcb_connect ||
6110 disable libxcb_shm libxcb_shape libxcb_xfixes
6112 if enabled libxcb; then
6113 enabled libxcb_shm && check_pkg_config libxcb_shm xcb-shm xcb/shm.h xcb_shm_attach
6114 enabled libxcb_shape && check_pkg_config libxcb_shape xcb-shape xcb/shape.h xcb_shape_get_rectangles
6115 enabled libxcb_xfixes && check_pkg_config libxcb_xfixes xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image
6118 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
6120 # d3d11va requires linking directly to dxgi and d3d11 if not building for
6121 # the desktop api partition
6122 check_cpp <<EOF && enable uwp && d3d11va_extralibs="-ldxgi -ld3d11"
6123 #ifdef WINAPI_FAMILY
6124 #include <winapifamily.h>
6125 #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
6126 #error desktop, not uwp
6128 // WINAPI_FAMILY_APP, WINAPI_FAMILY_PHONE_APP => UWP
6131 #error no family set
6136 check_lib vaapi va/va.h vaInitialize -lva
6139 check_code cc "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)" ||
6143 check_lib vaapi_drm "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm
6146 check_lib vaapi_x11 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 -lX11
6149 check_cpp_condition "va/va.h" "VA_CHECK_VERSION(1, 0, 0)" &&
6152 if enabled_all opencl vaapi ; then
6153 check_type "CL/cl_intel.h" "clCreateImageFromFdINTEL_fn" &&
6154 enable opencl_vaapi_beignet
6155 if enabled libmfx ; then
6156 check_type "CL/cl.h CL/va_ext.h" "clCreateFromVA_APIMediaSurfaceINTEL_fn" &&
6157 enable opencl_vaapi_intel_media
6161 if enabled_all opencl dxva2 ; then
6162 check_type "CL/cl_dx9_media_sharing.h" cl_dx9_surface_info_khr &&
6166 if enabled_all opencl d3d11va ; then
6167 check_type "CL/cl_d3d11.h" clGetDeviceIDsFromD3D11KHR_fn &&
6171 if enabled_all opencl libdrm ; then
6172 check_func_headers "CL/cl_ext.h" clImportMemoryARM &&
6173 enable opencl_drm_arm
6177 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
6181 check_lib vdpau_x11 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau -lX11
6183 enabled crystalhd && check_lib crystalhd "stdint.h libcrystalhd/libcrystalhd_if.h" DtsCrystalHDVersion -lcrystalhd
6185 if enabled x86; then
6187 mingw32*|mingw64*|win32|win64|linux|cygwin*)
6190 disable cuda cuvid nvdec nvenc
6194 disable cuda cuvid nvdec nvenc
6198 check_cc -I$source_path <<EOF || disable nvenc
6199 #include "compat/nvenc/nvEncodeAPI.h"
6200 NV_ENCODE_API_FUNCTION_LIST flist;
6201 void f(void) { struct { const GUID guid; } s[] = { { NV_ENC_PRESET_HQ_GUID } }; }
6202 int main(void) { return 0; }
6206 check_cpp_condition "AMF/core/Version.h" \
6207 "(AMF_VERSION_MAJOR << 48 | AMF_VERSION_MINOR << 32 | AMF_VERSION_RELEASE << 16 | AMF_VERSION_BUILD_NUM) >= 0x0001000400040001" ||
6210 # Funny iconv installations are not unusual, so check it after all flags have been set
6211 if enabled libc_iconv; then
6212 check_func_headers iconv.h iconv
6213 elif enabled iconv; then
6214 check_func_headers iconv.h iconv || check_lib iconv iconv.h iconv -liconv
6217 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
6219 # add some useful compiler flags if supported
6220 check_cflags -Wdeclaration-after-statement
6222 check_cflags -Wdisabled-optimization
6223 check_cflags -Wpointer-arith
6224 check_cflags -Wredundant-decls
6225 check_cflags -Wwrite-strings
6226 check_cflags -Wtype-limits
6227 check_cflags -Wundef
6228 check_cflags -Wmissing-prototypes
6229 check_cflags -Wno-pointer-to-int-cast
6230 check_cflags -Wstrict-prototypes
6231 check_cflags -Wempty-body
6233 if enabled extra_warnings; then
6234 check_cflags -Wcast-qual
6235 check_cflags -Wextra
6236 check_cflags -Wpedantic
6239 check_disable_warning(){
6240 warning_flag=-W${1#-Wno-}
6241 test_cflags $unknown_warning_flags $warning_flag && add_cflags $1
6244 test_cflags -Werror=unused-command-line-argument &&
6245 append unknown_warning_flags "-Werror=unused-command-line-argument"
6246 test_cflags -Werror=unknown-warning-option &&
6247 append unknown_warning_flags "-Werror=unknown-warning-option"
6249 check_disable_warning -Wno-parentheses
6250 check_disable_warning -Wno-switch
6251 check_disable_warning -Wno-format-zero-length
6252 check_disable_warning -Wno-pointer-sign
6253 check_disable_warning -Wno-unused-const-variable
6254 check_disable_warning -Wno-bool-operation
6256 check_disable_warning_headers(){
6257 warning_flag=-W${1#-Wno-}
6258 test_cflags $warning_flag && add_cflags_headers $1
6261 check_disable_warning_headers -Wno-deprecated-declarations
6262 check_disable_warning_headers -Wno-unused-variable
6264 check_cc <<EOF && enable blocks_extension
6265 void (^block)(void);
6268 # add some linker flags
6269 check_ldflags -Wl,--warn-common
6270 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
6271 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir && add_ldsoflags -Wl,-rpath,$libdir
6272 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
6274 # add some strip flags
6277 enabled neon_clobber_test &&
6278 check_ldflags -Wl,--wrap,avcodec_open2 \
6279 -Wl,--wrap,avcodec_decode_audio4 \
6280 -Wl,--wrap,avcodec_decode_video2 \
6281 -Wl,--wrap,avcodec_decode_subtitle2 \
6282 -Wl,--wrap,avcodec_encode_audio2 \
6283 -Wl,--wrap,avcodec_encode_video2 \
6284 -Wl,--wrap,avcodec_encode_subtitle \
6285 -Wl,--wrap,avcodec_send_packet \
6286 -Wl,--wrap,avcodec_receive_packet \
6287 -Wl,--wrap,avcodec_send_frame \
6288 -Wl,--wrap,avcodec_receive_frame \
6289 -Wl,--wrap,swr_convert \
6290 -Wl,--wrap,avresample_convert ||
6291 disable neon_clobber_test
6293 enabled xmm_clobber_test &&
6294 check_ldflags -Wl,--wrap,avcodec_open2 \
6295 -Wl,--wrap,avcodec_decode_audio4 \
6296 -Wl,--wrap,avcodec_decode_video2 \
6297 -Wl,--wrap,avcodec_decode_subtitle2 \
6298 -Wl,--wrap,avcodec_encode_audio2 \
6299 -Wl,--wrap,avcodec_encode_video2 \
6300 -Wl,--wrap,avcodec_encode_subtitle \
6301 -Wl,--wrap,avcodec_send_packet \
6302 -Wl,--wrap,avcodec_receive_packet \
6303 -Wl,--wrap,avcodec_send_frame \
6304 -Wl,--wrap,avcodec_receive_frame \
6305 -Wl,--wrap,swr_convert \
6306 -Wl,--wrap,avresample_convert \
6307 -Wl,--wrap,sws_scale ||
6308 disable xmm_clobber_test
6310 check_ld "cc" <<EOF && enable proper_dce
6311 extern const int array[512];
6312 static inline int func(void) { return array[0]; }
6313 int main(void) { return 0; }
6316 if enabled proper_dce; then
6317 echo "X { local: *; };" > $TMPV
6318 if test_ldflags -Wl,${version_script},$TMPV; then
6319 append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver'
6321 check_cc <<EOF && enable symver_asm_label
6322 void ff_foo(void) __asm__ ("av_foo@VERSION");
6323 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
6325 check_cc <<EOF && enable symver_gnu_asm
6326 __asm__(".symver ff_foo,av_foo@VERSION");
6327 void ff_foo(void) {}
6332 if [ -z "$optflags" ]; then
6333 if enabled small; then
6334 optflags=$cflags_size
6335 elif enabled optimizations; then
6336 optflags=$cflags_speed
6338 optflags=$cflags_noopt
6342 if [ -z "$nvccflags" ]; then
6343 nvccflags=$nvccflags_default
6346 if enabled x86_64 || enabled ppc64 || enabled aarch64; then
6347 nvccflags="$nvccflags -m64"
6349 nvccflags="$nvccflags -m32"
6354 enabled lto && check_ldflags "$@"
6357 check_optflags $optflags
6358 check_optflags -fno-math-errno
6359 check_optflags -fno-signed-zeros
6361 if enabled lto; then
6362 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
6364 check_ldflags -flto $cpuflags
6365 disable inline_asm_direct_symbol_refs
6368 enabled ftrapv && check_cflags -ftrapv
6370 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
6375 if enabled icc; then
6376 # Just warnings, no remarks
6378 # -wd: Disable following warnings
6379 # 144, 167, 556: -Wno-pointer-sign
6380 # 188: enumerated type mixed with another type
6381 # 1292: attribute "foo" ignored
6382 # 1419: external declaration in primary source file
6383 # 10006: ignoring unknown option -fno-signed-zeros
6384 # 10148: ignoring unknown option -Wno-parentheses
6385 # 10156: ignoring option '-W'; no argument required
6386 # 13200: No EMMS instruction before call to function
6387 # 13203: No EMMS instruction before return from function
6388 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
6389 # 11030: Warning unknown option --as-needed
6390 # 10156: ignoring option '-export'; no argument required
6391 check_ldflags -wd10156,11030
6392 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
6393 enable ebp_available
6394 # The test above does not test linking
6395 enabled lto && disable symver_asm_label
6396 if enabled x86_32; then
6397 icc_version=$($cc -dumpversion)
6398 test ${icc_version%%.*} -ge 11 &&
6399 check_cflags -falign-stack=maintain-16-byte ||
6400 disable aligned_stack
6402 elif enabled gcc; then
6403 check_optflags -fno-tree-vectorize
6404 check_cflags -Werror=format-security
6405 check_cflags -Werror=implicit-function-declaration
6406 check_cflags -Werror=missing-prototypes
6407 check_cflags -Werror=return-type
6408 check_cflags -Werror=vla
6409 check_cflags -Wformat
6410 check_cflags -fdiagnostics-color=auto
6411 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
6412 elif enabled llvm_gcc; then
6413 check_cflags -mllvm -stack-alignment=16
6414 elif enabled clang; then
6415 check_cflags -mllvm -stack-alignment=16
6416 check_cflags -mstack-alignment=16
6417 check_cflags -Qunused-arguments
6418 check_cflags -Werror=implicit-function-declaration
6419 check_cflags -Werror=missing-prototypes
6420 check_cflags -Werror=return-type
6421 elif enabled cparser; then
6422 add_cflags -Wno-missing-variable-declarations
6423 add_cflags -Wno-empty-statement
6424 elif enabled armcc; then
6425 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
6426 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
6427 # 2523: use of inline assembly is deprecated
6428 add_cflags -W${armcc_opt},--diag_suppress=2523
6429 add_cflags -W${armcc_opt},--diag_suppress=1207
6430 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
6431 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
6432 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
6433 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
6434 elif enabled pathscale; then
6435 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
6437 elif enabled_any msvc icl; then
6438 enabled x86_32 && disable aligned_stack
6439 enabled_all x86_32 debug && add_cflags -Oy-
6440 enabled debug && add_ldflags -debug
6441 enable pragma_deprecated
6442 if enabled icl; then
6443 # -Qansi-alias is basically -fstrict-aliasing, but does not work
6444 # (correctly) on icl 13.x.
6445 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
6446 add_cflags -Qansi-alias
6447 # Some inline asm is not compilable in debug
6448 if enabled debug; then
6449 disable ebp_available
6450 disable ebx_available
6453 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
6454 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
6455 # The CRT headers contain __declspec(restrict) in a few places, but if redefining
6456 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
6457 # (as it ends up if the restrict redefine is done before including stdlib.h), while
6458 # MSVC 2013 and newer can handle it fine.
6459 # If this declspec fails, force including stdlib.h before the restrict redefinition
6460 # happens in config.h.
6461 if [ $_restrict != restrict ]; then
6462 check_cc <<EOF || add_cflags -FIstdlib.h
6463 __declspec($_restrict) void* foo(int);
6466 # the new SSA optimzer in VS2015 U3 is mis-optimizing some parts of the code
6467 # Issue has been fixed in MSVC v19.00.24218.
6468 check_cpp_condition windows.h "_MSC_FULL_VER >= 190024218" ||
6469 check_cflags -d2SSAOptimizer-
6470 # enable utf-8 source processing on VS2015 U2 and newer
6471 check_cpp_condition windows.h "_MSC_FULL_VER >= 190023918" &&
6475 for pfx in "" host_; do
6476 varname=${pfx%_}cc_type
6477 eval "type=\$$varname"
6478 if [ "$type" = "msvc" ]; then
6479 check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline
6480 static inline int foo(int a) { return a; }
6487 add_asflags -Qunused-arguments
6493 check_ldflags -Qunused-arguments
6497 enable frame_thread_encoder
6499 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
6501 check_deps $CONFIG_LIST \
6506 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"
6509 if test $target_os = "haiku"; then
6511 disable posix_memalign
6514 flatten_extralibs(){
6515 unset nested_entries
6518 for entry in $list; do
6521 append nested_entries $(filter '*_extralibs' $entry_copy)
6522 flat_entries=$(filter_out '*_extralibs' $entry_copy)
6523 eval $entry="\$flat_entries"
6525 append $list_name "$nested_entries"
6527 resolve nested_entries
6528 if test -n "$(filter '*_extralibs' $nested_entries)"; then
6529 flatten_extralibs $list_name
6533 flatten_extralibs_wrapper(){
6535 flatten_extralibs $list_name
6538 eval $list_name=\$\(\$ldflags_filter \$$list_name\)
6539 eval printf \''%s'\' \""\$$list_name"\"
6542 for linkunit in $LIBRARY_LIST; do
6543 unset current_extralibs
6544 eval components=\$$(toupper ${linkunit})_COMPONENTS_LIST
6545 for comp in ${components}; do
6546 enabled $comp || continue
6547 comp_extralibs="${comp}_extralibs"
6548 append current_extralibs $comp_extralibs
6550 eval prepend ${linkunit}_extralibs $current_extralibs
6553 for linkunit in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
6554 eval ${linkunit}_extralibs=\$\(flatten_extralibs_wrapper ${linkunit}_extralibs\)
6557 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
6559 for thread in $THREADS_LIST; do
6560 if enabled $thread; then
6561 test -n "$thread_type" &&
6562 die "ERROR: Only one thread type must be selected." ||
6563 thread_type="$thread"
6567 if disabled stdatomic; then
6568 if enabled atomics_gcc; then
6569 add_cppflags '-I\$(SRC_PATH)/compat/atomics/gcc'
6570 elif enabled atomics_win32; then
6571 add_cppflags '-I\$(SRC_PATH)/compat/atomics/win32'
6572 elif enabled atomics_suncc; then
6573 add_cppflags '-I\$(SRC_PATH)/compat/atomics/suncc'
6574 elif enabled pthreads; then
6575 add_compat atomics/pthread/stdatomic.o
6576 add_cppflags '-I\$(SRC_PATH)/compat/atomics/pthread'
6578 enabled threads && die "Threading is enabled, but no atomics are available"
6579 add_cppflags '-I\$(SRC_PATH)/compat/atomics/dummy'
6583 # Check if requested libraries were found.
6584 for lib in $AUTODETECT_LIBS; do
6585 requested $lib && ! enabled $lib && die "ERROR: $lib requested but not found";
6588 enabled zlib && add_cppflags -DZLIB_CONST
6590 # conditional library dependencies, in linking order
6591 enabled afftfilt_filter && prepend avfilter_deps "avcodec"
6592 enabled afir_filter && prepend avfilter_deps "avcodec"
6593 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
6594 enabled aresample_filter && prepend avfilter_deps "swresample"
6595 enabled atempo_filter && prepend avfilter_deps "avcodec"
6596 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
6597 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
6598 enabled elbg_filter && prepend avfilter_deps "avcodec"
6599 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
6600 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
6601 enabled firequalizer_filter && prepend avfilter_deps "avcodec"
6602 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
6603 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
6604 enabled pan_filter && prepend avfilter_deps "swresample"
6605 enabled pp_filter && prepend avfilter_deps "postproc"
6606 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
6607 enabled resample_filter && prepend avfilter_deps "avresample"
6608 enabled sab_filter && prepend avfilter_deps "swscale"
6609 enabled scale_filter && prepend avfilter_deps "swscale"
6610 enabled scale2ref_filter && prepend avfilter_deps "swscale"
6611 enabled sofalizer_filter && prepend avfilter_deps "avcodec"
6612 enabled showcqt_filter && prepend avfilter_deps "avformat avcodec swscale"
6613 enabled showfreqs_filter && prepend avfilter_deps "avcodec"
6614 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
6615 enabled signature_filter && prepend avfilter_deps "avcodec avformat"
6616 enabled smartblur_filter && prepend avfilter_deps "swscale"
6617 enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"
6618 enabled spp_filter && prepend avfilter_deps "avcodec"
6619 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
6620 enabled uspp_filter && prepend avfilter_deps "avcodec"
6621 enabled zoompan_filter && prepend avfilter_deps "swscale"
6623 enabled lavfi_indev && prepend avdevice_deps "avfilter"
6626 enabled sdl2_outdev && add_cflags $(filter_out '-Dmain=SDL_main' $sdl2_cflags)
6628 enabled opus_decoder && prepend avcodec_deps "swresample"
6632 eval "deps=\$$lib_deps"
6633 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
6637 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
6638 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
6640 map 'expand_deps $v' $LIBRARY_LIST
6642 license="LGPL version 2.1 or later"
6643 if enabled nonfree; then
6644 license="nonfree and unredistributable"
6645 elif enabled gplv3; then
6646 license="GPL version 3 or later"
6647 elif enabled lgplv3; then
6648 license="LGPL version 3 or later"
6649 elif enabled gpl; then
6650 license="GPL version 2 or later"
6653 if test "$quiet" != "yes"; then
6655 echo "install prefix $prefix"
6656 echo "source path $source_path"
6657 echo "C compiler $cc"
6658 echo "C library $libc_type"
6659 if test "$host_cc" != "$cc"; then
6660 echo "host C compiler $host_cc"
6661 echo "host C library $host_libc_type"
6663 echo "ARCH $arch ($cpu)"
6664 if test "$build_suffix" != ""; then
6665 echo "build suffix $build_suffix"
6667 if test "$progs_suffix" != ""; then
6668 echo "progs suffix $progs_suffix"
6670 if test "$extra_version" != ""; then
6671 echo "version string suffix $extra_version"
6673 echo "big-endian ${bigendian-no}"
6674 echo "runtime cpu detection ${runtime_cpudetect-no}"
6675 if enabled x86; then
6676 echo "standalone assembly ${x86asm-no}"
6677 echo "x86 assembler ${x86asmexe}"
6678 echo "MMX enabled ${mmx-no}"
6679 echo "MMXEXT enabled ${mmxext-no}"
6680 echo "3DNow! enabled ${amd3dnow-no}"
6681 echo "3DNow! extended enabled ${amd3dnowext-no}"
6682 echo "SSE enabled ${sse-no}"
6683 echo "SSSE3 enabled ${ssse3-no}"
6684 echo "AESNI enabled ${aesni-no}"
6685 echo "AVX enabled ${avx-no}"
6686 echo "AVX2 enabled ${avx2-no}"
6687 echo "XOP enabled ${xop-no}"
6688 echo "FMA3 enabled ${fma3-no}"
6689 echo "FMA4 enabled ${fma4-no}"
6690 echo "i686 features enabled ${i686-no}"
6691 echo "CMOV is fast ${fast_cmov-no}"
6692 echo "EBX available ${ebx_available-no}"
6693 echo "EBP available ${ebp_available-no}"
6695 if enabled aarch64; then
6696 echo "NEON enabled ${neon-no}"
6697 echo "VFP enabled ${vfp-no}"
6699 if enabled arm; then
6700 echo "ARMv5TE enabled ${armv5te-no}"
6701 echo "ARMv6 enabled ${armv6-no}"
6702 echo "ARMv6T2 enabled ${armv6t2-no}"
6703 echo "VFP enabled ${vfp-no}"
6704 echo "NEON enabled ${neon-no}"
6705 echo "THUMB enabled ${thumb-no}"
6707 if enabled mips; then
6708 echo "MIPS FPU enabled ${mipsfpu-no}"
6709 echo "MIPS DSP R1 enabled ${mipsdsp-no}"
6710 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
6711 echo "MIPS MSA enabled ${msa-no}"
6712 echo "LOONGSON MMI enabled ${mmi-no}"
6714 if enabled ppc; then
6715 echo "AltiVec enabled ${altivec-no}"
6716 echo "VSX enabled ${vsx-no}"
6717 echo "POWER8 enabled ${power8-no}"
6718 echo "PPC 4xx optimizations ${ppc4xx-no}"
6719 echo "dcbzl available ${dcbzl-no}"
6721 echo "debug symbols ${debug-no}"
6722 echo "strip symbols ${stripping-no}"
6723 echo "optimize for size ${small-no}"
6724 echo "optimizations ${optimizations-no}"
6725 echo "static ${static-no}"
6726 echo "shared ${shared-no}"
6727 echo "postprocessing support ${postproc-no}"
6728 echo "network support ${network-no}"
6729 echo "threading support ${thread_type-no}"
6730 echo "safe bitstream reader ${safe_bitstream_reader-no}"
6731 echo "texi2html enabled ${texi2html-no}"
6732 echo "perl enabled ${perl-no}"
6733 echo "pod2man enabled ${pod2man-no}"
6734 echo "makeinfo enabled ${makeinfo-no}"
6735 echo "makeinfo supports HTML ${makeinfo_html-no}"
6736 test -n "$random_seed" &&
6737 echo "random seed ${random_seed}"
6740 echo "External libraries:"
6741 print_enabled '' $EXTERNAL_LIBRARY_LIST $EXTERNAL_AUTODETECT_LIBRARY_LIST | print_in_columns
6744 echo "External libraries providing hardware acceleration:"
6745 print_enabled '' $HWACCEL_LIBRARY_LIST $HWACCEL_AUTODETECT_LIBRARY_LIST | print_in_columns
6749 print_enabled '' $LIBRARY_LIST | print_in_columns
6753 print_enabled '' $PROGRAM_LIST | print_in_columns
6756 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
6757 echo "Enabled ${type}s:"
6758 eval list=\$$(toupper $type)_LIST
6759 print_enabled '_*' $list | print_in_columns
6763 if test -n "$ignore_tests"; then
6764 ignore_tests=$(echo $ignore_tests | tr ',' ' ')
6765 echo "Ignored FATE tests:"
6766 echo $ignore_tests | print_in_columns
6770 echo "License: $license"
6772 fi # test "$quiet" != "yes"
6774 if test -n "$WARNINGS"; then
6775 printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"
6776 enabled fatal_warnings && exit 1
6779 test -e Makefile || echo "include $source_path/Makefile" > Makefile
6782 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
6785 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" > ffbuild/config.fate
6787 enabled stripping || strip="echo skipping strip"
6788 enabled stripping || striptype=""
6790 config_files="$TMPH ffbuild/config.mak doc/config.texi"
6792 cat > ffbuild/config.mak <<EOF
6793 # Automatically generated by configure - do not modify!
6794 ifndef FFMPEG_CONFIG_MAK
6796 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
6798 LIBDIR=\$(DESTDIR)$libdir
6799 SHLIBDIR=\$(DESTDIR)$shlibdir
6800 INCDIR=\$(DESTDIR)$incdir
6801 BINDIR=\$(DESTDIR)$bindir
6802 DATADIR=\$(DESTDIR)$datadir
6803 DOCDIR=\$(DESTDIR)$docdir
6804 MANDIR=\$(DESTDIR)$mandir
6805 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
6806 INSTALL_NAME_DIR=$install_name_dir
6807 SRC_PATH=$source_path
6808 SRC_LINK=$source_link
6809 ifndef MAIN_MAKEFILE
6810 SRC_PATH:=\$(SRC_PATH:.%=..%)
6814 INTRINSICS=$intrinsics
6815 EXTERN_PREFIX=$extern_prefix
6822 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
6824 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
6826 DEPX86ASM=$x86asmexe
6827 DEPX86ASMFLAGS=\$(X86ASMFLAGS)
6835 STRIPTYPE=$striptype
6842 OBJCFLAGS=$OBJCFLAGS
6844 NVCCFLAGS=$nvccflags
6865 LDEXEFLAGS=$LDEXEFLAGS
6866 LDSOFLAGS=$LDSOFLAGS
6867 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
6868 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
6869 X86ASMFLAGS=$X86ASMFLAGS
6870 BUILDSUF=$build_suffix
6871 PROGSSUF=$progs_suffix
6879 EXTRA_VERSION=$extra_version
6882 CCDEP_FLAGS=$CCDEP_FLAGS
6884 ASDEP_FLAGS=$ASDEP_FLAGS
6885 X86ASMDEP=$X86ASMDEP
6886 X86ASMDEP_FLAGS=$X86ASMDEP_FLAGS
6887 CC_DEPFLAGS=$CC_DEPFLAGS
6888 AS_DEPFLAGS=$AS_DEPFLAGS
6889 X86ASM_DEPFLAGS=$X86ASM_DEPFLAGS
6892 HOSTCFLAGS=$host_cflags
6893 HOSTCPPFLAGS=$host_cppflags
6894 HOSTEXESUF=$HOSTEXESUF
6895 HOSTLDFLAGS=$host_ldflags
6896 HOSTEXTRALIBS=$host_extralibs
6898 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
6899 HOSTCCDEP=$HOSTCCDEP
6900 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
6901 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
6905 TARGET_EXEC=$target_exec $target_exec_args
6906 TARGET_PATH=$target_path
6907 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
6908 CFLAGS-ffplay=${sdl2_cflags}
6909 CFLAGS_HEADERS=$CFLAGS_HEADERS
6910 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
6911 EXTRALIBS=$extralibs
6912 COMPAT_OBJS=$compat_objs
6914 SLIBNAME=${SLIBNAME}
6915 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
6916 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
6917 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
6918 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
6919 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
6920 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
6921 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
6922 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
6923 VERSION_SCRIPT_POSTPROCESS_CMD=${VERSION_SCRIPT_POSTPROCESS_CMD}
6924 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
6925 NOREDZONE_FLAGS=$noredzone_flags
6926 LIBFUZZER_PATH=$libfuzzer_path
6927 IGNORE_TESTS=$ignore_tests
6930 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> ffbuild/config.mak' $LIBRARY_LIST
6932 for entry in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
6933 eval echo "EXTRALIBS-${entry}=\$${entry}_extralibs" >> ffbuild/config.mak
6937 /* Automatically generated by configure - do not modify! */
6938 #ifndef FFMPEG_CONFIG_H
6939 #define FFMPEG_CONFIG_H
6940 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
6941 #define FFMPEG_LICENSE "$(c_escape $license)"
6942 #define CONFIG_THIS_YEAR 2017
6943 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
6944 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
6945 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
6946 #define av_restrict $_restrict
6947 #define EXTERN_PREFIX "${extern_prefix}"
6948 #define EXTERN_ASM ${extern_prefix}
6949 #define BUILDSUF "$build_suffix"
6950 #define SLIBSUF "$SLIBSUF"
6951 #define HAVE_MMX2 HAVE_MMXEXT
6952 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
6955 test -n "$assert_level" &&
6956 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
6958 test -n "$malloc_prefix" &&
6959 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
6961 if enabled x86asm; then
6962 append config_files $TMPASM
6964 ; Automatically generated by configure - do not modify!
6968 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
6974 echo "@c auto-generated by configure - do not modify! " > doc/config.texi
6976 print_config ARCH_ "$config_files" $ARCH_LIST
6977 print_config HAVE_ "$config_files" $HAVE_LIST
6978 print_config CONFIG_ "$config_files" $CONFIG_LIST \
6982 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
6983 echo "endif # FFMPEG_CONFIG_MAK" >> ffbuild/config.mak
6985 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
6986 cp_if_changed $TMPH config.h
6987 touch ffbuild/.config
6989 enabled x86asm && cp_if_changed $TMPASM config.asm
6992 /* Generated by ffmpeg configure */
6993 #ifndef AVUTIL_AVCONFIG_H
6994 #define AVUTIL_AVCONFIG_H
6997 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
6999 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
7001 cp_if_changed $TMPH libavutil/avconfig.h
7003 # generate the lists of enabled components
7004 print_enabled_components(){
7009 echo "static const $struct_name * const $name[] = {" > $TMPH
7011 enabled $c && printf " &ff_%s,\n" $c >> $TMPH
7013 echo " NULL };" >> $TMPH
7014 cp_if_changed $TMPH $file
7017 print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST
7018 print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST
7020 # Settings for pkg-config files
7023 # Automatically generated by configure - do not modify!
7025 build_suffix=$build_suffix
7029 rpath=$(enabled rpath && echo "-Wl,-rpath,\${libdir}")
7030 source_path=${source_path}
7033 extralibs_avutil="$avutil_extralibs"
7034 extralibs_avcodec="$avcodec_extralibs"
7035 extralibs_avformat="$avformat_extralibs"
7036 extralibs_avdevice="$avdevice_extralibs"
7037 extralibs_avfilter="$avfilter_extralibs"
7038 extralibs_avresample="$avresample_extralibs"
7039 extralibs_postproc="$postproc_extralibs"
7040 extralibs_swscale="$swscale_extralibs"
7041 extralibs_swresample="$swresample_extralibs"
7044 for lib in $LIBRARY_LIST; do
7045 lib_deps="$(eval echo \$${lib}_deps)"
7046 echo ${lib}_deps=\"$lib_deps\" >> $TMPH
7049 cp_if_changed $TMPH ffbuild/config.sh