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 --disable-jack disable libjack support [autodetect]
221 --enable-jni enable JNI support [no]
222 --enable-ladspa enable LADSPA audio filtering [no]
223 --enable-libass enable libass subtitles rendering,
224 needed for subtitles and ass filter [no]
225 --enable-libbluray enable BluRay reading using libbluray [no]
226 --enable-libbs2b enable bs2b DSP library [no]
227 --enable-libcaca enable textual display using libcaca [no]
228 --enable-libcelt enable CELT decoding via libcelt [no]
229 --enable-libcdio enable audio CD grabbing with libcdio [no]
230 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
232 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
233 --enable-libflite enable flite (voice synthesis) support via libflite [no]
234 --enable-libfontconfig enable libfontconfig, useful for drawtext filter [no]
235 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
236 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
237 --enable-libgme enable Game Music Emu via libgme [no]
238 --enable-libgsm enable GSM de/encoding via libgsm [no]
239 --enable-libiec61883 enable iec61883 via libiec61883 [no]
240 --enable-libilbc enable iLBC de/encoding via libilbc [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 --disable-lzma disable lzma [autodetect]
287 --enable-decklink enable Blackmagic DeckLink I/O support [no]
288 --enable-libndi_newtek enable Newteck NDI I/O support [no]
289 --enable-mediacodec enable Android MediaCodec support [no]
290 --enable-libmysofa enable libmysofa, needed for sofalizer filter [no]
291 --enable-openal enable OpenAL 1.1 capture support [no]
292 --enable-opencl enable OpenCL code
293 --enable-opengl enable OpenGL rendering [no]
294 --enable-openssl enable openssl, needed for https support
295 if gnutls is not used [no]
296 --disable-sndio disable sndio support [autodetect]
297 --disable-schannel disable SChannel SSP, needed for TLS support on
298 Windows if openssl and gnutls are not used [autodetect]
299 --disable-sdl2 disable sdl2 [autodetect]
300 --disable-securetransport disable Secure Transport, needed for TLS support
301 on OSX if openssl and gnutls are not used [autodetect]
302 --disable-xlib disable xlib [autodetect]
303 --disable-zlib disable zlib [autodetect]
305 The following libraries provide various hardware acceleration features:
306 --disable-audiotoolbox disable Apple AudioToolbox code [autodetect]
307 --disable-cuda disable dynamically linked Nvidia CUDA code [autodetect]
308 --enable-cuda-sdk enable CUDA features that require the CUDA SDK [no]
309 --disable-cuvid disable Nvidia CUVID support [autodetect]
310 --disable-d3d11va disable Microsoft Direct3D 11 video acceleration code [autodetect]
311 --disable-dxva2 disable Microsoft DirectX 9 video acceleration code [autodetect]
312 --enable-libdrm enable DRM code (Linux) [no]
313 --enable-libmfx enable Intel MediaSDK (AKA Quick Sync Video) code via libmfx [no]
314 --enable-libnpp enable Nvidia Performance Primitives-based code [no]
315 --enable-mmal enable Broadcom Multi-Media Abstraction Layer (Raspberry Pi) via MMAL [no]
316 --disable-nvenc disable Nvidia video encoding code [autodetect]
317 --enable-omx enable OpenMAX IL code [no]
318 --enable-omx-rpi enable OpenMAX IL code for Raspberry Pi [no]
319 --enable-rkmpp enable Rockchip Media Process Platform code [no]
320 --disable-vaapi disable Video Acceleration API (mainly Unix/Intel) code [autodetect]
321 --disable-vda disable Apple Video Decode Acceleration code [autodetect]
322 --disable-vdpau disable Nvidia Video Decode and Presentation API for Unix code [autodetect]
323 --disable-videotoolbox disable VideoToolbox code [autodetect]
326 --arch=ARCH select architecture [$arch]
327 --cpu=CPU select the minimum required CPU (affects
328 instruction selection, may crash on older CPUs)
329 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
330 --progs-suffix=SUFFIX program name suffix []
331 --enable-cross-compile assume a cross-compiler is used
332 --sysroot=PATH root of cross-build tree
333 --sysinclude=PATH location of cross-build system headers
334 --target-os=OS compiler targets OS [$target_os]
335 --target-exec=CMD command to run executables on target
336 --target-path=DIR path to view of build directory on target
337 --target-samples=DIR path to samples directory on target
338 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
339 --toolchain=NAME set tool defaults according to NAME
340 --nm=NM use nm tool NM [$nm_default]
341 --ar=AR use archive tool AR [$ar_default]
342 --as=AS use assembler AS [$as_default]
343 --ln_s=LN_S use symbolic link tool LN_S [$ln_s_default]
344 --strip=STRIP use strip tool STRIP [$strip_default]
345 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
346 --x86asmexe=EXE use nasm-compatible assembler EXE [$x86asmexe_default]
347 --cc=CC use C compiler CC [$cc_default]
348 --cxx=CXX use C compiler CXX [$cxx_default]
349 --objcc=OCC use ObjC compiler OCC [$cc_default]
350 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
351 --nvcc=NVCC use Nvidia CUDA compiler NVCC [$nvcc_default]
352 --ld=LD use linker LD [$ld_default]
353 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
354 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
355 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
356 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
357 --host-cc=HOSTCC use host C compiler HOSTCC
358 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
359 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
360 --host-ld=HOSTLD use host linker HOSTLD
361 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
362 --host-libs=HLIBS use libs HLIBS when linking for host
363 --host-os=OS compiler host OS [$target_os]
364 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
365 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
366 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
367 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
368 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
369 --extra-ldlibflags=ELDFLAGS add ELDFLAGS to LDLIBFLAGS [$LDLIBFLAGS]
370 --extra-libs=ELIBS add ELIBS [$ELIBS]
371 --extra-version=STRING version string suffix []
372 --optflags=OPTFLAGS override optimization-related compiler flags
373 --nvccflags=NVCCFLAGS override nvcc flags [$nvccflags_default]
374 --build-suffix=SUFFIX library name suffix []
375 --enable-pic build position-independent code
376 --enable-thumb compile for Thumb instruction set
377 --enable-lto use link-time optimization
378 --env="ENV=override" override the environment variables
380 Advanced options (experts only):
381 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
382 --custom-allocator=NAME use a supported custom allocator
383 --disable-symver disable symbol versioning
384 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
385 --disable-safe-bitstream-reader
386 disable buffer boundary checking in bitreaders
387 (faster, but may crash)
388 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
390 Optimization options (experts only):
391 --disable-asm disable all assembly optimizations
392 --disable-altivec disable AltiVec optimizations
393 --disable-vsx disable VSX optimizations
394 --disable-power8 disable POWER8 optimizations
395 --disable-amd3dnow disable 3DNow! optimizations
396 --disable-amd3dnowext disable 3DNow! extended optimizations
397 --disable-mmx disable MMX optimizations
398 --disable-mmxext disable MMXEXT optimizations
399 --disable-sse disable SSE optimizations
400 --disable-sse2 disable SSE2 optimizations
401 --disable-sse3 disable SSE3 optimizations
402 --disable-ssse3 disable SSSE3 optimizations
403 --disable-sse4 disable SSE4 optimizations
404 --disable-sse42 disable SSE4.2 optimizations
405 --disable-avx disable AVX optimizations
406 --disable-xop disable XOP optimizations
407 --disable-fma3 disable FMA3 optimizations
408 --disable-fma4 disable FMA4 optimizations
409 --disable-avx2 disable AVX2 optimizations
410 --disable-aesni disable AESNI optimizations
411 --disable-armv5te disable armv5te optimizations
412 --disable-armv6 disable armv6 optimizations
413 --disable-armv6t2 disable armv6t2 optimizations
414 --disable-vfp disable VFP optimizations
415 --disable-neon disable NEON optimizations
416 --disable-inline-asm disable use of inline assembly
417 --disable-x86asm disable use of standalone x86 assembly
418 --disable-mipsdsp disable MIPS DSP ASE R1 optimizations
419 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
420 --disable-msa disable MSA optimizations
421 --disable-mipsfpu disable floating point MIPS optimizations
422 --disable-mmi disable Loongson SIMD optimizations
423 --disable-fast-unaligned consider unaligned accesses slow
425 Developer options (useful when working on FFmpeg itself):
426 --disable-debug disable debugging symbols
427 --enable-debug=LEVEL set the debug level [$debuglevel]
428 --disable-optimizations disable compiler optimizations
429 --enable-extra-warnings enable more compiler warnings
430 --disable-stripping disable stripping of executables and shared libraries
431 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
432 2 causes a slowdown at runtime.
433 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
434 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
435 leaks and errors, using the specified valgrind binary.
436 Cannot be combined with --target-exec
437 --enable-ftrapv Trap arithmetic overflows
438 --samples=PATH location of test samples for FATE, if not set use
439 \$FATE_SAMPLES at make invocation time.
440 --enable-neon-clobber-test check NEON registers for clobbering (should be
441 used only for debugging purposes)
442 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
443 should be used only for debugging purposes)
444 --enable-random randomly enable/disable components
446 --enable-random=LIST randomly enable/disable specific components or
447 --disable-random=LIST component groups. LIST is a comma-separated list
448 of NAME[:PROB] entries where NAME is a component
449 (group) and PROB the probability associated with
451 --random-seed=VALUE seed value for --enable/disable-random
452 --disable-valgrind-backtrace do not print a backtrace under Valgrind
453 (only applies to --disable-optimizations builds)
454 --enable-osfuzz Enable building fuzzer tool
455 --libfuzzer=PATH path to libfuzzer
456 --ignore-tests=TESTS comma-separated list (without "fate-" prefix
457 in the name) of tests whose result is ignored
458 --enable-linux-perf enable Linux Performance Monitor API
460 NOTE: Object files are built at the place where configure is launched.
466 if test -t 1 && which tput >/dev/null 2>&1; then
467 ncolors=$(tput colors)
468 if test -n "$ncolors" && test $ncolors -ge 8; then
469 bold_color=$(tput bold)
470 warn_color=$(tput setaf 3)
471 error_color=$(tput setaf 1)
472 reset_color=$(tput sgr0)
474 # 72 used instead of 80 since that's the default of pr
480 echo "$@" >> $logfile
485 pr -n -t $1 >> $logfile
491 WARNINGS="${WARNINGS}WARNING: $*\n"
496 echo "$error_color$bold_color$@$reset_color"
499 If you think configure made a mistake, make sure you are using the latest
500 version from Git. If the latest version fails, report the problem to the
501 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
503 if disabled logging; then
505 Rerun configure with logging enabled (do not use --disable-logging), and
506 include the log this produces with your report.
510 Include the log file "$logfile" produced by configure as this will help
517 # Avoid locale weirdness, besides we really just want to translate ASCII.
519 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
523 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
527 echo "$*" | sed 's/["\\]/\\\0/g'
531 v=$(echo "$1" | sed "s/'/'\\\\''/g")
532 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
537 echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
544 eval "case $v in $pat) printf '%s ' $v ;; esac"
552 eval "case $v in $pat) ;; *) printf '%s ' $v ;; esac"
559 for v; do eval $m; done
565 for v; do echo ${v}${suffix}; done
580 eval : \${$var:=$value}
585 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
591 eval $(sanitize_var_name "$var")='$*'
595 eval echo \$$(sanitize_var_name "$1")
600 eval level=\${${pvar}_level:=0}
601 eval ${pvar}_${level}="\$$pvar"
602 eval ${pvar}_level=$(($level+1))
608 eval level=\${${pvar}_level:-0}
609 test $level = 0 && continue
610 eval level=$(($level-1))
611 eval $pvar="\${${pvar}_${level}}"
612 eval ${pvar}_level=$level
613 eval unset ${pvar}_${level}
619 eval ${var}_requested=yes
642 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
648 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
654 enabled $var && continue
655 eval sel="\$${var}_select"
656 eval sgs="\$${var}_suggest"
660 enable_deep_weak $sgs
672 disabled $var && continue
681 test "${1#!}" = "$1" && op='=' || op=!=
682 eval test "x\$${1#!}_requested" $op "xyes"
686 test "${1#!}" = "$1" && op='=' || op=!=
687 eval test "x\$${1#!}" $op "xyes"
691 test "${1#!}" = "$1" && op='=' || op=!=
692 eval test "x\$${1#!}" $op "xno"
697 enabled $opt || return 1
703 disabled $opt || return 1
709 enabled $opt && return 0
715 disabled $opt && return 0
722 eval : \${$opt:=\$${opt}_default}
730 [ $var = $value ] && return 0
738 enabled ${cfg}_checking && die "Circular dependency for $cfg."
739 disabled ${cfg}_checking && continue
740 enable ${cfg}_checking
743 eval dep_all="\$${cfg}_deps"
744 eval dep_any="\$${cfg}_deps_any"
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_sel dep_sgs dep_ifa dep_ifn
751 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
752 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
754 [ -n "$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_any $dep_sel && { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some selected dependency is unsatisfied: $dep_sel"; }
760 if enabled $cfg; then
762 enable_deep_weak $dep_sgs
765 disable ${cfg}_checking
774 for cfg in $allopts; do
775 enabled $cfg || continue
776 eval dep_extralibs="\$${cfg}_extralibs"
777 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
785 map 'eval echo "$v \${$v:-no}"' "$@" |
786 awk "BEGIN { split(\"$files\", files) }
788 c = \"$pfx\" toupper(\$1);
794 if (file ~ /\\.h\$/) {
795 printf(\"#define %s %d\\n\", c, v) >>file;
796 } else if (file ~ /\\.asm\$/) {
797 printf(\"%%define %s %d\\n\", c, v) >>file;
798 } else if (file ~ /\\.mak\$/) {
799 n = -v ? \"\" : \"!\";
800 printf(\"%s%s=yes\\n\", n, c) >>file;
801 } else if (file ~ /\\.texi\$/) {
802 pre = -v ? \"\" : \"@c \";
805 gsub(/_/, \"-\", c2);
806 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
816 enabled $v && printf "%s\n" ${v%$suf}
823 eval "$var=\"\$$var $*\""
829 eval "$var=\"$* \$$var\""
835 for tok in $(eval echo \$$var); do
836 uniq_list="$(filter_out $tok $uniq_list) $tok"
838 eval "$var=\"${uniq_list}\""
846 append CFLAGS $($cflags_filter "$@")
849 add_cflags_headers(){
850 append CFLAGS_HEADERS $($cflags_filter "$@")
854 append CXXFLAGS $($cflags_filter "$@")
858 append ASFLAGS $($asflags_filter "$@")
862 append OBJCFLAGS $($objcflags_filter "$@")
866 append LDFLAGS $($ldflags_filter "$@")
870 append LDEXEFLAGS $($ldflags_filter "$@")
874 append LDLIBFLAGS $($ldflags_filter "$@")
878 append ASMSTRIPFLAGS "$@"
882 prepend extralibs $($ldflags_filter "$@")
886 append host_cppflags "$@"
890 append host_cflags $($host_cflags_filter "$@")
894 append host_ldflags $($host_ldflags_filter "$@")
898 append compat_objs $1
900 map 'add_cppflags -D$v' "$@"
905 "$@" >> $logfile 2>&1
910 stat "$1" >> $logfile 2>&1
914 eval printf '%s\\n' $CC_O
918 eval printf '%s\\n' $CC_E
925 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
932 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
939 check_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
946 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
950 eval printf '%s\\n' $AS_O
957 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
961 log check_inline_asm "$@"
966 check_cc "$@" <<EOF && enable $name
967 void foo(void){ __asm__ volatile($code); }
971 check_inline_asm_flags(){
972 log check_inline_asm_flags "$@"
977 while [ "$1" != "" ]; do
983 void foo(void){ __asm__ volatile($code); }
986 check_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&
987 enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags
992 check_inline_asm ${1}_inline "\"$2\""
993 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
997 log check_x86asm "$@"
1001 check_cmd $x86asmexe $X86ASMFLAGS -Werror "$@" -o $TMPO $TMPS
1005 eval printf '%s\\n' $LD_O
1012 flags=$(filter_out '-l*|*.so' $@)
1013 libs=$(filter '-l*|*.so' $@)
1014 check_$type $($cflags_filter $flags) || return
1015 flags=$($ldflags_filter $flags)
1016 libs=$($ldflags_filter $libs)
1017 check_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
1022 test "${hdr%.h}" = "${hdr}" &&
1023 echo "#include $hdr" ||
1024 echo "#include <$hdr>"
1034 for hdr in $headers; do
1037 echo "int main(void) { $code; return 0; }"
1038 } | check_$check "$@"
1042 log check_cppflags "$@"
1043 check_cpp "$@" <<EOF && append CPPFLAGS "$@"
1049 log test_cflags "$@"
1050 set -- $($cflags_filter "$@")
1057 log check_cflags "$@"
1058 test_cflags "$@" && add_cflags "$@"
1062 log check_cxxflags "$@"
1063 set -- $($cflags_filter "$@")
1064 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
1070 log test_objcflags "$@"
1071 set -- $($objcflags_filter "$@")
1072 check_objcc "$@" <<EOF
1078 log check_objcflags "$@"
1079 test_objcflags "$@" && add_objcflags "$@"
1083 log test_ldflags "$@"
1084 check_ld "cc" "$@" <<EOF
1085 int main(void){ return 0; }
1090 log check_ldflags "$@"
1091 test_ldflags "$@" && add_ldflags "$@"
1095 log test_stripflags "$@"
1096 # call check_cc to get a fresh TMPO
1098 int main(void) { return 0; }
1100 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1104 log check_stripflags "$@"
1105 test_stripflags "$@" && add_stripflags "$@"
1109 log check_header "$@"
1112 disable_safe $header
1113 check_cpp "$@" <<EOF && enable_safe $header
1119 check_header_objcc(){
1120 log check_header_objcc "$@"
1124 disable_safe $header
1126 echo "#include <$header>"
1127 echo "int main(void) { return 0; }"
1128 } | check_objcc && check_stat "$TMPO" && enable_safe $header
1131 check_apple_framework(){
1132 log check_apple_framework "$@"
1134 name="$(tolower $framework)"
1135 header="${framework}/${framework}.h"
1137 check_header_objcc $header && enable $name && add_extralibs "-framework $framework"
1145 check_ld "cc" "$@" <<EOF && enable $func
1147 int main(void){ $func(); }
1151 check_complexfunc(){
1152 log check_complexfunc "$@"
1156 test $narg = 2 && args="f, g" || args="f * I"
1158 check_ld "cc" "$@" <<EOF && enable $func
1159 #include <complex.h>
1161 float foo(complex float f, complex float g) { return $func($args); }
1162 int main(void){ return (int) foo; }
1167 log check_mathfunc "$@"
1171 test $narg = 2 && args="f, g" || args="f"
1173 check_ld "cc" "$@" <<EOF && enable $func
1175 float foo(float f, float g) { return $func($args); }
1176 int main(void){ return (int) foo; }
1180 check_func_headers(){
1181 log check_func_headers "$@"
1186 for hdr in $headers; do
1189 echo "#include <stdint.h>"
1190 for func in $funcs; do
1191 echo "long check_$func(void) { return (long) $func; }"
1193 echo "int main(void) { int ret = 0;"
1194 # LTO could optimize out the test functions without this
1195 for func in $funcs; do
1196 echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"
1198 echo "return ret; }"
1199 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1202 check_class_headers_cpp(){
1203 log check_class_headers_cpp "$@"
1208 for hdr in $headers; do
1209 echo "#include <$hdr>"
1211 echo "int main(void) { "
1213 for class in $classes; do
1214 echo "$class obj$i;"
1218 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1221 check_cpp_condition(){
1222 log check_cpp_condition "$@"
1226 check_cpp "$@" <<EOF
1229 #error "unsatisfied condition: $condition"
1235 log test_cflags_cc "$@"
1240 set -- $($cflags_filter "$flags")
1244 #error "unsatisfied condition: $condition"
1256 check_func_headers "$headers" "$funcs" "$@" &&
1257 enable $name && add_extralibs "$@"
1261 log check_lib_cpp "$@"
1265 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1269 log check_pkg_config "$@"
1275 check_cmd $pkg_config --exists --print-errors $pkg_version || return
1276 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1277 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1278 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1279 set_safe "${pkg}_cflags" $pkg_cflags &&
1280 set_safe "${pkg}_extralibs" $pkg_libs
1284 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1288 log check_exec_crash "$@"
1291 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1292 # are safe but may not be available everywhere. Thus we use
1293 # raise(SIGTERM) instead. The check is run in a subshell so we
1294 # can redirect the "Terminated" message from the shell. SIGBUS
1295 # is not defined by standard C so it is used conditionally.
1297 (check_exec "$@") >> $logfile 2>&1 <<EOF
1299 static void sighandler(int sig){
1305 int (*func_ptr)(void) = foo;
1307 signal(SIGILL, sighandler);
1308 signal(SIGFPE, sighandler);
1309 signal(SIGSEGV, sighandler);
1311 signal(SIGBUS, sighandler);
1323 disable_safe "$type"
1324 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1328 log check_struct "$@"
1333 disable_safe "${struct}_${member}"
1334 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1335 enable_safe "${struct}_${member}"
1339 log check_builtin "$@"
1345 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1348 check_compile_assert(){
1349 log check_compile_assert "$@"
1355 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1365 check_lib $name "$headers" $func "$@" || die "ERROR: $name_version not found"
1373 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1380 check_header "$header" "$@" || die "ERROR: $header header not found"
1383 require_cpp_condition(){
1388 check_cpp_condition "$header" "$condition" "$@" || die "ERROR: $condition not satisfied"
1392 log use_pkg_config "$@"
1397 test "$name" = "" && name=$pkg
1398 check_pkg_config "$@" || return 1
1399 add_cflags $(get_safe "${pkg}_cflags")
1400 add_extralibs $(get_safe "${pkg}_extralibs")
1403 require_pkg_config(){
1404 use_pkg_config "$@" || die "ERROR: $pkg_version not found using pkg-config$pkg_config_fail_message"
1408 eval printf '%s\\n' $HOSTCC_E
1412 eval printf '%s\\n' $HOSTCC_O
1416 log check_host_cc "$@"
1419 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1423 log check_host_cpp "$@"
1426 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1429 check_host_cppflags(){
1430 log check_host_cppflags "$@"
1431 check_host_cpp "$@" <<EOF && append host_cppflags "$@"
1436 check_host_cflags(){
1437 log check_host_cflags "$@"
1438 set -- $($host_cflags_filter "$@")
1439 check_host_cc "$@" <<EOF && append host_cflags "$@"
1444 check_host_cpp_condition(){
1445 log check_host_cpp_condition "$@"
1449 check_host_cpp "$@" <<EOF
1452 #error "unsatisfied condition: $condition"
1458 cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1459 mkdir -p "$(dirname $2)"
1463 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1464 # system-dependent things.
1466 AVCODEC_COMPONENTS="
1474 AVDEVICE_COMPONENTS="
1479 AVFILTER_COMPONENTS="
1483 AVFORMAT_COMPONENTS="
1489 AVRESAMPLE_COMPONENTS=""
1491 AVUTIL_COMPONENTS=""
1495 $AVDEVICE_COMPONENTS
1496 $AVFILTER_COMPONENTS
1497 $AVFORMAT_COMPONENTS
1498 $AVRESAMPLE_COMPONENTS
1503 avio_dir_cmd_example
1504 avio_reading_example
1505 decode_audio_example
1506 decode_video_example
1507 demuxing_decoding_example
1508 encode_audio_example
1509 encode_video_example
1511 filter_audio_example
1512 filtering_audio_example
1513 filtering_video_example
1514 http_multiclient_example
1520 resampling_audio_example
1521 scaling_video_example
1522 transcode_aac_example
1526 EXTERNAL_AUTODETECT_LIBRARY_LIST="
1547 EXTERNAL_LIBRARY_GPL_LIST="
1559 EXTERNAL_LIBRARY_NONFREE_LIST="
1566 EXTERNAL_LIBRARY_VERSION3_LIST="
1574 EXTERNAL_LIBRARY_GPLV3_LIST="
1578 EXTERNAL_LIBRARY_LIST="
1579 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1580 $EXTERNAL_LIBRARY_GPL_LIST
1581 $EXTERNAL_LIBRARY_NONFREE_LIST
1582 $EXTERNAL_LIBRARY_VERSION3_LIST
1583 $EXTERNAL_LIBRARY_GPLV3_LIST
1641 HWACCEL_AUTODETECT_LIBRARY_LIST="
1657 HWACCEL_LIBRARY_NONFREE_LIST="
1662 HWACCEL_LIBRARY_LIST="
1663 $HWACCEL_AUTODETECT_LIBRARY_LIST
1664 $HWACCEL_LIBRARY_NONFREE_LIST
1684 safe_bitstream_reader
1731 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1735 $EXTERNAL_LIBRARY_LIST
1736 $HWACCEL_LIBRARY_LIST
1768 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1769 $HWACCEL_AUTODETECT_LIBRARY_LIST
1811 ARCH_EXT_LIST_MIPS="
1823 ARCH_EXT_LIST_LOONGSON="
1829 ARCH_EXT_LIST_X86_SIMD="
1858 $ARCH_EXT_LIST_X86_SIMD
1868 $ARCH_EXT_LIST_LOONGSON
1891 sync_val_compare_and_swap
1909 cdio_paranoia_paranoia_h
1913 dev_bktr_ioctl_bt848_h
1914 dev_bktr_ioctl_meteor_h
1916 dev_video_bktr_ioctl_bt848_h
1917 dev_video_meteor_ioctl_meteor_h
1927 machine_ioctl_bt848_h
1928 machine_ioctl_meteor_h
1930 opencv2_core_core_c_h
1931 openjpeg_2_2_openjpeg_h
1932 openjpeg_2_1_openjpeg_h
1933 openjpeg_2_0_openjpeg_h
1934 openjpeg_1_5_openjpeg_h
2012 GetProcessAffinityMask
2013 GetProcessMemoryInfo
2016 GetSystemTimeAsFileTime
2023 jack_port_get_latency_range
2040 SetConsoleTextAttribute
2041 SetConsoleCtrlHandler
2049 UTGetOSTypeFromString
2054 TOOLCHAIN_FEATURES="
2068 inline_asm_direct_symbol_refs
2070 inline_asm_nonlocal_labels
2081 CONDITION_VARIABLE_Ptr
2084 struct_group_source_req
2085 struct_ip_mreq_source
2087 struct_msghdr_msg_flags
2089 struct_rusage_ru_maxrss
2090 struct_sctp_event_subscribe
2092 struct_sockaddr_sa_len
2093 struct_sockaddr_storage
2094 struct_stat_st_mtim_tv_nsec
2095 struct_v4l2_frmivalenum_discrete
2100 $(add_suffix _external $ARCH_EXT_LIST)
2101 $(add_suffix _inline $ARCH_EXT_LIST)
2120 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
2133 # options emitted with CONFIG_ prefix but not available on the command line
2150 frame_thread_encoder
2304 # code dependency declarations
2306 # architecture extensions
2311 armv8_deps="aarch64"
2312 neon_deps_any="aarch64 arm"
2313 intrinsics_neon_deps="neon"
2314 vfp_deps_any="aarch64 arm"
2318 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2320 loongson2_deps="mips"
2321 loongson3_deps="mips"
2324 mipsdspr2_deps="mips"
2325 mips32r2_deps="mips"
2326 mips32r5_deps="mips"
2327 mips32r6_deps="mips"
2328 mips64r2_deps="mips"
2329 mips64r6_deps="mips"
2341 x86_64_select="i686"
2342 x86_64_suggest="fast_cmov"
2345 amd3dnowext_deps="amd3dnow"
2362 mmx_external_deps="x86asm"
2363 mmx_inline_deps="inline_asm"
2364 mmx_suggest="mmx_external mmx_inline"
2366 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2367 eval dep=\$${ext}_deps
2368 eval ${ext}_external_deps='"${dep}_external"'
2369 eval ${ext}_inline_deps='"${dep}_inline"'
2370 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2373 aligned_stack_if_any="aarch64 ppc x86"
2374 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2375 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2376 fast_unaligned_if_any="aarch64 ppc x86"
2377 simd_align_16_if_any="altivec neon sse"
2378 simd_align_32_if_any="avx"
2380 # system capabilities
2381 symver_if_any="symver_asm_label symver_gnu_asm"
2382 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
2385 atomics_gcc_if="sync_val_compare_and_swap"
2386 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2387 atomics_win32_if="MemoryBarrier"
2388 atomics_native_if_any="$ATOMICS_LIST"
2389 w32threads_deps="atomics_native"
2390 threads_if_any="$THREADS_LIST"
2394 dirac_parse_select="golomb"
2395 error_resilience_select="me_cmp"
2396 faandct_deps="faan fdctdsp"
2397 faanidct_deps="faan idctdsp"
2398 h264dsp_select="startcode"
2399 hevcparse_select="golomb"
2400 frame_thread_encoder_deps="encoders threads"
2401 intrax8_select="blockdsp idctdsp"
2404 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2405 mpeg_er_select="error_resilience"
2406 mpegaudio_select="mpegaudiodsp mpegaudioheader"
2407 mpegaudiodsp_select="dct"
2408 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2409 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2410 vc1dsp_select="h264chroma qpeldsp startcode"
2413 # decoders / encoders
2414 aac_decoder_select="mdct15 mdct sinewin"
2415 aac_fixed_decoder_select="mdct sinewin"
2416 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2417 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2418 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2419 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2420 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2421 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2422 adpcm_g722_decoder_select="g722dsp"
2423 adpcm_g722_encoder_select="g722dsp"
2424 aic_decoder_select="golomb idctdsp"
2425 alac_encoder_select="lpc"
2426 als_decoder_select="bswapdsp"
2427 amrnb_decoder_select="lsp"
2428 amrwb_decoder_select="lsp"
2429 amv_decoder_select="sp5x_decoder exif"
2430 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2431 ape_decoder_select="bswapdsp llauddsp"
2432 apng_decoder_select="zlib"
2433 apng_encoder_select="llvidencdsp zlib"
2434 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2435 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2436 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2437 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2438 atrac1_decoder_select="mdct sinewin"
2439 atrac3_decoder_select="mdct"
2440 atrac3p_decoder_select="mdct sinewin"
2441 avrn_decoder_select="exif jpegtables"
2442 bink_decoder_select="blockdsp hpeldsp"
2443 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2444 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2445 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2446 clearvideo_decoder_select="idctdsp"
2447 cllc_decoder_select="bswapdsp"
2448 comfortnoise_encoder_select="lpc"
2449 cook_decoder_select="audiodsp mdct sinewin"
2450 cscd_decoder_select="lzo"
2451 cscd_decoder_suggest="zlib"
2452 dca_decoder_select="mdct"
2453 dds_decoder_select="texturedsp"
2454 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2455 dnxhd_decoder_select="blockdsp idctdsp"
2456 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2457 dolby_e_decoder_select="mdct"
2458 dvvideo_decoder_select="dvprofile idctdsp"
2459 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2460 dxa_decoder_select="zlib"
2461 dxv_decoder_select="lzf texturedsp"
2462 eac3_decoder_select="ac3_decoder"
2463 eac3_encoder_select="ac3_encoder"
2464 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2465 eatgq_decoder_select="aandcttables"
2466 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2467 exr_decoder_select="zlib"
2468 ffv1_decoder_select="rangecoder"
2469 ffv1_encoder_select="rangecoder"
2470 ffvhuff_decoder_select="huffyuv_decoder"
2471 ffvhuff_encoder_select="huffyuv_encoder"
2472 fic_decoder_select="golomb"
2473 flac_decoder_select="flacdsp"
2474 flac_encoder_select="bswapdsp flacdsp lpc"
2475 flashsv2_decoder_select="zlib"
2476 flashsv2_encoder_select="zlib"
2477 flashsv_decoder_select="zlib"
2478 flashsv_encoder_select="zlib"
2479 flv_decoder_select="h263_decoder"
2480 flv_encoder_select="h263_encoder"
2481 fourxm_decoder_select="blockdsp bswapdsp"
2482 fraps_decoder_select="bswapdsp huffman"
2483 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2484 g729_decoder_select="audiodsp"
2485 h261_decoder_select="mpegvideo"
2486 h261_encoder_select="aandcttables mpegvideoenc"
2487 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2488 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2489 h263i_decoder_select="h263_decoder"
2490 h263p_decoder_select="h263_decoder"
2491 h263p_encoder_select="h263_encoder"
2492 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2493 h264_decoder_suggest="error_resilience"
2494 hap_decoder_select="snappy texturedsp"
2495 hap_encoder_deps="libsnappy"
2496 hap_encoder_select="texturedspenc"
2497 hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"
2498 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2499 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"
2500 iac_decoder_select="imc_decoder"
2501 imc_decoder_select="bswapdsp fft mdct sinewin"
2502 indeo3_decoder_select="hpeldsp"
2503 indeo4_decoder_select="ividsp"
2504 indeo5_decoder_select="ividsp"
2505 interplay_video_decoder_select="hpeldsp"
2506 jpegls_decoder_select="mjpeg_decoder"
2507 jv_decoder_select="blockdsp"
2508 lagarith_decoder_select="llviddsp"
2509 ljpeg_encoder_select="aandcttables idctdsp jpegtables mpegvideoenc"
2510 magicyuv_decoder_select="llviddsp"
2511 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2512 metasound_decoder_select="lsp mdct sinewin"
2513 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2514 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2515 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2516 mjpegb_decoder_select="mjpeg_decoder"
2517 mlp_decoder_select="mlp_parser"
2518 mlp_encoder_select="lpc"
2519 motionpixels_decoder_select="bswapdsp"
2520 mp1_decoder_select="mpegaudio"
2521 mp1float_decoder_select="mpegaudio"
2522 mp2_decoder_select="mpegaudio"
2523 mp2float_decoder_select="mpegaudio"
2524 mp3_decoder_select="mpegaudio"
2525 mp3adu_decoder_select="mpegaudio"
2526 mp3adufloat_decoder_select="mpegaudio"
2527 mp3float_decoder_select="mpegaudio"
2528 mp3on4_decoder_select="mpegaudio"
2529 mp3on4float_decoder_select="mpegaudio"
2530 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2531 mpc8_decoder_select="mpegaudiodsp"
2532 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2533 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2534 mpegvideo_decoder_select="mpegvideo"
2535 mpeg1video_decoder_select="mpegvideo"
2536 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2537 mpeg2video_decoder_select="mpegvideo"
2538 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2539 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2540 mpeg4_encoder_select="h263_encoder"
2541 msa1_decoder_select="mss34dsp"
2542 mscc_decoder_select="zlib"
2543 msmpeg4v1_decoder_select="h263_decoder"
2544 msmpeg4v2_decoder_select="h263_decoder"
2545 msmpeg4v2_encoder_select="h263_encoder"
2546 msmpeg4v3_decoder_select="h263_decoder"
2547 msmpeg4v3_encoder_select="h263_encoder"
2548 mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"
2549 mts2_decoder_select="mss34dsp"
2550 mxpeg_decoder_select="mjpeg_decoder"
2551 nellymoser_decoder_select="mdct sinewin"
2552 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2553 nuv_decoder_select="idctdsp lzo"
2554 on2avc_decoder_select="mdct"
2555 opus_decoder_deps="swresample"
2556 opus_decoder_select="mdct15"
2557 opus_encoder_select="audio_frame_queue mdct15"
2558 png_decoder_select="zlib"
2559 png_encoder_select="llvidencdsp zlib"
2560 prores_decoder_select="blockdsp idctdsp"
2561 prores_encoder_select="fdctdsp"
2562 qcelp_decoder_select="lsp"
2563 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2564 ra_144_decoder_select="audiodsp"
2565 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2566 ralf_decoder_select="golomb"
2567 rawvideo_decoder_select="bswapdsp"
2568 rscc_decoder_select="zlib"
2569 rtjpeg_decoder_select="me_cmp"
2570 rv10_decoder_select="h263_decoder"
2571 rv10_encoder_select="h263_encoder"
2572 rv20_decoder_select="h263_decoder"
2573 rv20_encoder_select="h263_encoder"
2574 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2575 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2576 screenpresso_decoder_select="zlib"
2577 shorten_decoder_select="bswapdsp"
2578 sipr_decoder_select="lsp"
2579 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2580 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2581 sonic_decoder_select="golomb rangecoder"
2582 sonic_encoder_select="golomb rangecoder"
2583 sonic_ls_encoder_select="golomb rangecoder"
2584 sp5x_decoder_select="mjpeg_decoder"
2585 srgc_decoder_select="zlib"
2586 svq1_decoder_select="hpeldsp"
2587 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2588 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2589 svq3_decoder_suggest="zlib"
2590 tak_decoder_select="audiodsp"
2591 tdsc_decoder_select="zlib mjpeg_decoder"
2592 theora_decoder_select="vp3_decoder"
2593 thp_decoder_select="mjpeg_decoder"
2594 tiff_decoder_suggest="zlib lzma"
2595 tiff_encoder_suggest="zlib"
2596 truehd_decoder_select="mlp_parser"
2597 truehd_encoder_select="lpc"
2598 truemotion2_decoder_select="bswapdsp"
2599 truespeech_decoder_select="bswapdsp"
2600 tscc_decoder_select="zlib"
2601 twinvq_decoder_select="mdct lsp sinewin"
2602 txd_decoder_select="texturedsp"
2603 utvideo_decoder_select="bswapdsp llviddsp"
2604 utvideo_encoder_select="bswapdsp huffman llvidencdsp"
2605 vble_decoder_select="llviddsp"
2606 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2607 vc1_qsv_decoder_deps="libmfx"
2608 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel vc1_parser"
2609 vc1image_decoder_select="vc1_decoder"
2610 vorbis_decoder_select="mdct"
2611 vorbis_encoder_select="mdct"
2612 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2613 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2614 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2615 vp6a_decoder_select="vp6_decoder"
2616 vp6f_decoder_select="vp6_decoder"
2617 vp7_decoder_select="h264pred videodsp vp8dsp"
2618 vp8_decoder_select="h264pred videodsp vp8dsp"
2619 vp9_decoder_select="videodsp vp9_parser"
2620 webp_decoder_select="vp8_decoder exif"
2621 wmalossless_decoder_select="llauddsp"
2622 wmapro_decoder_select="mdct sinewin wma_freqs"
2623 wmav1_decoder_select="mdct sinewin wma_freqs"
2624 wmav1_encoder_select="mdct sinewin wma_freqs"
2625 wmav2_decoder_select="mdct sinewin wma_freqs"
2626 wmav2_encoder_select="mdct sinewin wma_freqs"
2627 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2628 wmv1_decoder_select="h263_decoder"
2629 wmv1_encoder_select="h263_encoder"
2630 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2631 wmv2_encoder_select="h263_encoder wmv2dsp"
2632 wmv3_decoder_select="vc1_decoder"
2633 wmv3image_decoder_select="wmv3_decoder"
2634 xma1_decoder_select="wmapro_decoder"
2635 xma2_decoder_select="wmapro_decoder"
2636 zerocodec_decoder_select="zlib"
2637 zlib_decoder_select="zlib"
2638 zlib_encoder_select="zlib"
2639 zmbv_decoder_select="zlib"
2640 zmbv_encoder_select="zlib"
2642 # hardware accelerators
2643 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2644 cuda_deps_any="dlopen LoadLibrary"
2646 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2647 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32"
2648 dxva2_extralibs="-luser32"
2649 vda_framework_deps="VideoDecodeAcceleration_VDADecoder_h blocks_extension"
2650 vda_framework_extralibs="-framework VideoDecodeAcceleration"
2651 vda_deps="vda_framework pthreads"
2652 vda_extralibs="-framework CoreFoundation -framework QuartzCore"
2653 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2654 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2655 xvmc_deps="X11_extensions_XvMClib_h"
2657 h263_vaapi_hwaccel_deps="vaapi"
2658 h263_vaapi_hwaccel_select="h263_decoder"
2659 h263_videotoolbox_hwaccel_deps="videotoolbox"
2660 h263_videotoolbox_hwaccel_select="h263_decoder"
2661 h264_cuvid_hwaccel_deps="cuda cuvid"
2662 h264_cuvid_hwaccel_select="h264_cuvid_decoder"
2663 h264_d3d11va_hwaccel_deps="d3d11va"
2664 h264_d3d11va_hwaccel_select="h264_decoder"
2665 h264_d3d11va2_hwaccel_deps="d3d11va"
2666 h264_d3d11va2_hwaccel_select="h264_decoder"
2667 h264_dxva2_hwaccel_deps="dxva2"
2668 h264_dxva2_hwaccel_select="h264_decoder"
2669 h264_mediacodec_hwaccel_deps="mediacodec"
2670 h264_mmal_hwaccel_deps="mmal"
2671 h264_qsv_hwaccel_deps="libmfx"
2672 h264_vaapi_hwaccel_deps="vaapi"
2673 h264_vaapi_hwaccel_select="h264_decoder"
2674 h264_vda_hwaccel_deps="vda"
2675 h264_vda_hwaccel_select="h264_decoder"
2676 h264_vda_old_hwaccel_deps="vda"
2677 h264_vda_old_hwaccel_select="h264_decoder"
2678 h264_vdpau_hwaccel_deps="vdpau"
2679 h264_vdpau_hwaccel_select="h264_decoder"
2680 h264_videotoolbox_hwaccel_deps="videotoolbox"
2681 h264_videotoolbox_hwaccel_select="h264_decoder"
2682 hevc_cuvid_hwaccel_deps="cuda cuvid"
2683 hevc_cuvid_hwaccel_select="hevc_cuvid_decoder"
2684 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2685 hevc_d3d11va_hwaccel_select="hevc_decoder"
2686 hevc_mediacodec_hwaccel_deps="mediacodec"
2687 hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2688 hevc_d3d11va2_hwaccel_select="hevc_decoder"
2689 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2690 hevc_dxva2_hwaccel_select="hevc_decoder"
2691 hevc_qsv_hwaccel_deps="libmfx"
2692 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2693 hevc_vaapi_hwaccel_select="hevc_decoder"
2694 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2695 hevc_vdpau_hwaccel_select="hevc_decoder"
2696 mjpeg_cuvid_hwaccel_deps="cuda cuvid"
2697 mjpeg_cuvid_hwaccel_select="mjpeg_cuvid_decoder"
2698 mpeg_xvmc_hwaccel_deps="xvmc"
2699 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2700 mpeg1_cuvid_hwaccel_deps="cuda cuvid"
2701 mpeg1_cuvid_hwaccel_select="mpeg1_cuvid_decoder"
2702 mpeg1_vdpau_hwaccel_deps="vdpau"
2703 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2704 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2705 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2706 mpeg1_xvmc_hwaccel_deps="xvmc"
2707 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2708 mpeg2_cuvid_hwaccel_deps="cuda cuvid"
2709 mpeg2_cuvid_hwaccel_select="mpeg2_cuvid_decoder"
2710 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2711 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2712 mpeg2_d3d11va2_hwaccel_deps="d3d11va"
2713 mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"
2714 mpeg2_dxva2_hwaccel_deps="dxva2"
2715 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2716 mpeg2_mediacodec_hwaccel_deps="mediacodec"
2717 mpeg2_mmal_hwaccel_deps="mmal"
2718 mpeg2_qsv_hwaccel_deps="libmfx"
2719 mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"
2720 mpeg2_vaapi_hwaccel_deps="vaapi"
2721 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2722 mpeg2_vdpau_hwaccel_deps="vdpau"
2723 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2724 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2725 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2726 mpeg2_xvmc_hwaccel_deps="xvmc"
2727 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2728 mpeg4_cuvid_hwaccel_deps="cuda cuvid"
2729 mpeg4_cuvid_hwaccel_select="mpeg4_cuvid_decoder"
2730 mpeg4_mediacodec_hwaccel_deps="mediacodec"
2731 mpeg4_mmal_hwaccel_deps="mmal"
2732 mpeg4_vaapi_hwaccel_deps="vaapi"
2733 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2734 mpeg4_vdpau_hwaccel_deps="vdpau"
2735 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2736 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2737 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2738 vc1_cuvid_hwaccel_deps="cuda cuvid"
2739 vc1_cuvid_hwaccel_select="vc1_cuvid_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_mmal_hwaccel_deps="mmal"
2747 vc1_qsv_hwaccel_deps="libmfx"
2748 vc1_qsv_hwaccel_select="qsvdec_vc1"
2749 vc1_vaapi_hwaccel_deps="vaapi"
2750 vc1_vaapi_hwaccel_select="vc1_decoder"
2751 vc1_vdpau_hwaccel_deps="vdpau"
2752 vc1_vdpau_hwaccel_select="vc1_decoder"
2753 vp8_cuvid_hwaccel_deps="cuda cuvid"
2754 vp8_cuvid_hwaccel_select="vp8_cuvid_decoder"
2755 vp9_cuvid_hwaccel_deps="cuda cuvid"
2756 vp9_cuvid_hwaccel_select="vp9_cuvid_decoder"
2757 vp8_mediacodec_hwaccel_deps="mediacodec"
2758 vp8_qsv_hwaccel_deps="libmfx"
2759 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2760 vp9_d3d11va_hwaccel_select="vp9_decoder"
2761 vp9_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2762 vp9_d3d11va2_hwaccel_select="vp9_decoder"
2763 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2764 vp9_dxva2_hwaccel_select="vp9_decoder"
2765 vp9_mediacodec_hwaccel_deps="mediacodec"
2766 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"
2767 vp9_vaapi_hwaccel_select="vp9_decoder"
2768 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2769 wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"
2770 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2771 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2772 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2774 # hardware-accelerated codecs
2775 omx_deps="dlopen pthreads"
2776 omx_extralibs='$ldl'
2777 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"
2789 nvenc_deps_any="dlopen LoadLibrary"
2790 nvenc_encoder_deps="nvenc"
2792 h263_v4l2m2m_decoder_deps="v4l2_m2m h263_v4l2_m2m"
2793 h263_v4l2m2m_encoder_deps="v4l2_m2m h263_v4l2_m2m"
2794 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2795 h264_cuvid_decoder_deps="cuda cuvid"
2796 h264_cuvid_decoder_select="h264_mp4toannexb_bsf"
2797 h264_mediacodec_decoder_deps="mediacodec"
2798 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2799 h264_mmal_decoder_deps="mmal"
2800 h264_nvenc_encoder_deps="nvenc"
2801 h264_omx_encoder_deps="omx"
2802 h264_qsv_decoder_deps="libmfx"
2803 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2804 h264_qsv_encoder_deps="libmfx"
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="vaapi_encode golomb"
2810 h264_vda_decoder_deps="vda"
2811 h264_vda_decoder_select="h264_decoder"
2812 h264_vdpau_decoder_deps="vdpau"
2813 h264_vdpau_decoder_select="h264_decoder"
2814 h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m"
2815 h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"
2816 hevc_cuvid_decoder_deps="cuda cuvid"
2817 hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"
2818 hevc_mediacodec_decoder_deps="mediacodec"
2819 hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"
2820 hevc_nvenc_encoder_deps="nvenc"
2821 hevc_qsv_decoder_deps="libmfx"
2822 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
2823 hevc_qsv_encoder_deps="libmfx"
2824 hevc_qsv_encoder_select="hevcparse qsvenc"
2825 hevc_rkmpp_decoder_deps="rkmpp"
2826 hevc_rkmpp_decoder_select="hevc_mp4toannexb_bsf"
2827 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2828 hevc_vaapi_encoder_select="vaapi_encode golomb"
2829 hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"
2830 hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"
2831 mjpeg_cuvid_decoder_deps="cuda cuvid"
2832 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2833 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2834 mpeg1_cuvid_decoder_deps="cuda cuvid"
2835 mpeg1_vdpau_decoder_deps="vdpau"
2836 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2837 mpeg1_v4l2m2m_decoder_deps="v4l2_m2m mpeg1_v4l2_m2m"
2838 mpeg2_crystalhd_decoder_select="crystalhd"
2839 mpeg2_cuvid_decoder_deps="cuda cuvid"
2840 mpeg2_mmal_decoder_deps="mmal"
2841 mpeg2_mediacodec_decoder_deps="mediacodec"
2842 mpeg2_qsv_decoder_deps="libmfx"
2843 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
2844 mpeg2_qsv_encoder_deps="libmfx"
2845 mpeg2_qsv_encoder_select="qsvenc"
2846 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2847 mpeg2_vaapi_encoder_select="vaapi_encode"
2848 mpeg2_v4l2m2m_decoder_deps="v4l2_m2m mpeg2_v4l2_m2m"
2849 mpeg4_crystalhd_decoder_select="crystalhd"
2850 mpeg4_cuvid_decoder_deps="cuda cuvid"
2851 mpeg4_mediacodec_decoder_deps="mediacodec"
2852 mpeg4_mmal_decoder_deps="mmal"
2853 mpeg4_omx_encoder_deps="omx"
2854 mpeg4_vdpau_decoder_deps="vdpau"
2855 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2856 mpeg4_v4l2m2m_decoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2857 mpeg4_v4l2m2m_encoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2858 mpeg_vdpau_decoder_deps="vdpau"
2859 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2860 msmpeg4_crystalhd_decoder_select="crystalhd"
2861 nvenc_h264_encoder_select="h264_nvenc_encoder"
2862 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2863 vc1_crystalhd_decoder_select="crystalhd"
2864 vc1_cuvid_decoder_deps="cuda cuvid"
2865 vc1_mmal_decoder_deps="mmal"
2866 vc1_vdpau_decoder_deps="vdpau"
2867 vc1_vdpau_decoder_select="vc1_decoder"
2868 vc1_v4l2m2m_decoder_deps="v4l2_m2m vc1_v4l2_m2m"
2869 vp8_cuvid_decoder_deps="cuda cuvid"
2870 vp8_mediacodec_decoder_deps="mediacodec"
2871 vp8_qsv_decoder_deps="libmfx"
2872 vp8_qsv_decoder_select="qsvdec vp8_qsv_hwaccel vp8_parser"
2873 vp8_rkmpp_decoder_deps="rkmpp"
2874 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2875 vp8_vaapi_encoder_select="vaapi_encode"
2876 vp8_v4l2m2m_decoder_deps="v4l2_m2m vp8_v4l2_m2m"
2877 vp8_v4l2m2m_encoder_deps="v4l2_m2m vp8_v4l2_m2m"
2878 vp9_cuvid_decoder_deps="cuda cuvid"
2879 vp9_mediacodec_decoder_deps="mediacodec"
2880 vp9_rkmpp_decoder_deps="rkmpp"
2881 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
2882 vp9_vaapi_encoder_select="vaapi_encode"
2883 vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m"
2884 wmv3_crystalhd_decoder_select="crystalhd"
2885 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2888 h264_parser_select="golomb h264dsp h264parse"
2889 hevc_parser_select="hevcparse"
2890 mpegaudio_parser_select="mpegaudioheader"
2891 mpegvideo_parser_select="mpegvideo"
2892 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2893 vc1_parser_select="vc1dsp"
2896 mjpeg2jpeg_bsf_select="jpegtables"
2898 # external libraries
2899 aac_at_decoder_deps="audiotoolbox"
2900 ac3_at_decoder_deps="audiotoolbox"
2901 ac3_at_decoder_select="ac3_parser"
2902 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
2903 alac_at_decoder_deps="audiotoolbox"
2904 amr_nb_at_decoder_deps="audiotoolbox"
2905 avisynth_deps_any="dlopen LoadLibrary"
2906 avisynth_demuxer_deps="avisynth"
2907 avisynth_demuxer_select="riffdec"
2908 eac3_at_decoder_deps="audiotoolbox"
2909 eac3_at_decoder_select="ac3_parser"
2910 gsm_ms_at_decoder_deps="audiotoolbox"
2911 ilbc_at_decoder_deps="audiotoolbox"
2912 mp1_at_decoder_deps="audiotoolbox"
2913 mp2_at_decoder_deps="audiotoolbox"
2914 mp3_at_decoder_deps="audiotoolbox"
2915 mp1_at_decoder_select="mpegaudioheader"
2916 mp2_at_decoder_select="mpegaudioheader"
2917 mp3_at_decoder_select="mpegaudioheader"
2918 pcm_alaw_at_decoder_deps="audiotoolbox"
2919 pcm_mulaw_at_decoder_deps="audiotoolbox"
2920 qdmc_at_decoder_deps="audiotoolbox"
2921 qdm2_at_decoder_deps="audiotoolbox"
2922 aac_at_encoder_deps="audiotoolbox"
2923 aac_at_encoder_select="audio_frame_queue"
2924 alac_at_encoder_deps="audiotoolbox"
2925 alac_at_encoder_select="audio_frame_queue"
2926 ilbc_at_encoder_deps="audiotoolbox"
2927 ilbc_at_encoder_select="audio_frame_queue"
2928 pcm_alaw_at_encoder_deps="audiotoolbox"
2929 pcm_alaw_at_encoder_select="audio_frame_queue"
2930 pcm_mulaw_at_encoder_deps="audiotoolbox"
2931 pcm_mulaw_at_encoder_select="audio_frame_queue"
2932 chromaprint_muxer_deps="chromaprint"
2933 h264_videotoolbox_encoder_deps="videotoolbox_encoder pthreads"
2934 libcelt_decoder_deps="libcelt"
2935 libfdk_aac_decoder_deps="libfdk_aac"
2936 libfdk_aac_encoder_deps="libfdk_aac"
2937 libfdk_aac_encoder_select="audio_frame_queue"
2938 libgme_demuxer_deps="libgme"
2939 libgsm_decoder_deps="libgsm"
2940 libgsm_encoder_deps="libgsm"
2941 libgsm_ms_decoder_deps="libgsm"
2942 libgsm_ms_encoder_deps="libgsm"
2943 libilbc_decoder_deps="libilbc"
2944 libilbc_encoder_deps="libilbc"
2945 libkvazaar_encoder_deps="libkvazaar"
2946 libmodplug_demuxer_deps="libmodplug"
2947 libmp3lame_encoder_deps="libmp3lame"
2948 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
2949 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2950 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2951 libopencore_amrnb_encoder_select="audio_frame_queue"
2952 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2953 libopenh264_decoder_deps="libopenh264"
2954 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2955 libopenh264_encoder_deps="libopenh264"
2956 libopenjpeg_decoder_deps="libopenjpeg"
2957 libopenjpeg_encoder_deps="libopenjpeg"
2958 libopenmpt_demuxer_deps="libopenmpt"
2959 libopus_decoder_deps="libopus"
2960 libopus_encoder_deps="libopus"
2961 libopus_encoder_select="audio_frame_queue"
2962 librsvg_decoder_deps="librsvg"
2963 libshine_encoder_deps="libshine"
2964 libshine_encoder_select="audio_frame_queue"
2965 libspeex_decoder_deps="libspeex"
2966 libspeex_encoder_deps="libspeex"
2967 libspeex_encoder_select="audio_frame_queue"
2968 libtheora_encoder_deps="libtheora"
2969 libtwolame_encoder_deps="libtwolame"
2970 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2971 libvorbis_decoder_deps="libvorbis"
2972 libvorbis_encoder_deps="libvorbis"
2973 libvorbis_encoder_select="audio_frame_queue"
2974 libvpx_vp8_decoder_deps="libvpx"
2975 libvpx_vp8_encoder_deps="libvpx"
2976 libvpx_vp9_decoder_deps="libvpx"
2977 libvpx_vp9_encoder_deps="libvpx"
2978 libwavpack_encoder_deps="libwavpack"
2979 libwavpack_encoder_select="audio_frame_queue"
2980 libwebp_encoder_deps="libwebp"
2981 libwebp_anim_encoder_deps="libwebp"
2982 libx262_encoder_deps="libx262"
2983 libx264_encoder_deps="libx264"
2984 libx264rgb_encoder_deps="libx264 x264_csp_bgr"
2985 libx264rgb_encoder_select="libx264_encoder"
2986 libx265_encoder_deps="libx265"
2987 libxavs_encoder_deps="libxavs"
2988 libxvid_encoder_deps="libxvid"
2989 libzvbi_teletext_decoder_deps="libzvbi"
2990 videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework CoreVideo"
2991 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
2992 videotoolbox_encoder_suggest="vda_framework"
2995 ac3_demuxer_select="ac3_parser"
2996 aiff_muxer_select="iso_media"
2997 asf_demuxer_select="riffdec"
2998 asf_o_demuxer_select="riffdec"
2999 asf_muxer_select="riffenc"
3000 asf_stream_muxer_select="asf_muxer"
3001 avi_demuxer_select="iso_media riffdec exif"
3002 avi_muxer_select="riffenc"
3003 caf_demuxer_select="iso_media riffdec"
3004 caf_muxer_select="iso_media"
3005 dash_muxer_select="mp4_muxer"
3006 dash_demuxer_deps="libxml2"
3007 dirac_demuxer_select="dirac_parser"
3008 dts_demuxer_select="dca_parser"
3009 dtshd_demuxer_select="dca_parser"
3010 dv_demuxer_select="dvprofile"
3011 dv_muxer_select="dvprofile"
3012 dxa_demuxer_select="riffdec"
3013 eac3_demuxer_select="ac3_parser"
3014 f4v_muxer_select="mov_muxer"
3015 fifo_muxer_deps="threads"
3016 flac_demuxer_select="flac_parser"
3017 hds_muxer_select="flv_muxer"
3018 hls_muxer_select="mpegts_muxer"
3019 image2_alias_pix_demuxer_select="image2_demuxer"
3020 image2_brender_pix_demuxer_select="image2_demuxer"
3021 ipod_muxer_select="mov_muxer"
3022 ismv_muxer_select="mov_muxer"
3023 matroska_audio_muxer_select="matroska_muxer"
3024 matroska_demuxer_select="iso_media riffdec"
3025 matroska_demuxer_suggest="bzlib lzo zlib"
3026 matroska_muxer_select="iso_media riffenc"
3027 mmf_muxer_select="riffenc"
3028 mov_demuxer_select="iso_media riffdec"
3029 mov_demuxer_suggest="zlib"
3030 mov_muxer_select="iso_media riffenc rtpenc_chain"
3031 mp3_demuxer_select="mpegaudio_parser"
3032 mp3_muxer_select="mpegaudioheader"
3033 mp4_muxer_select="mov_muxer"
3034 mpegts_demuxer_select="iso_media"
3035 mpegts_muxer_select="adts_muxer latm_muxer"
3036 mpegtsraw_demuxer_select="mpegts_demuxer"
3037 mxf_d10_muxer_select="mxf_muxer"
3038 mxf_opatom_muxer_select="mxf_muxer"
3039 nut_muxer_select="riffenc"
3040 nuv_demuxer_select="riffdec"
3041 oga_muxer_select="ogg_muxer"
3042 ogg_demuxer_select="dirac_parse"
3043 ogv_muxer_select="ogg_muxer"
3044 opus_muxer_select="ogg_muxer"
3045 psp_muxer_select="mov_muxer"
3046 rtp_demuxer_select="sdp_demuxer"
3047 rtp_muxer_select="golomb"
3048 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
3049 rtsp_demuxer_select="http_protocol rtpdec"
3050 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
3051 sap_demuxer_select="sdp_demuxer"
3052 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
3053 sdp_demuxer_select="rtpdec"
3054 smoothstreaming_muxer_select="ismv_muxer"
3055 spdif_muxer_select="aac_parser"
3056 spx_muxer_select="ogg_muxer"
3057 swf_demuxer_suggest="zlib"
3058 tak_demuxer_select="tak_parser"
3059 tg2_muxer_select="mov_muxer"
3060 tgp_muxer_select="mov_muxer"
3061 vobsub_demuxer_select="mpegps_demuxer"
3062 w64_demuxer_select="wav_demuxer"
3063 w64_muxer_select="wav_muxer"
3064 wav_demuxer_select="riffdec"
3065 wav_muxer_select="riffenc"
3066 webm_muxer_select="iso_media riffenc"
3067 webm_dash_manifest_demuxer_select="matroska_demuxer"
3068 wtv_demuxer_select="mpegts_demuxer riffdec"
3069 wtv_muxer_select="mpegts_muxer riffenc"
3070 xmv_demuxer_select="riffdec"
3071 xwma_demuxer_select="riffdec"
3074 alsa_indev_deps="alsa"
3075 alsa_outdev_deps="alsa"
3076 avfoundation_indev_deps="avfoundation pthreads"
3077 avfoundation_indev_extralibs="-framework Foundation -framework CoreVideo -framework CoreMedia"
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_indev_deps="decklink threads"
3081 decklink_indev_extralibs="-lstdc++"
3082 decklink_outdev_deps="decklink threads"
3083 decklink_outdev_extralibs="-lstdc++"
3084 libndi_newtek_indev_deps="libndi_newtek"
3085 libndi_newtek_indev_extralibs="-lndi"
3086 libndi_newtek_outdev_deps="libndi_newtek"
3087 libndi_newtek_outdev_extralibs="-lndi"
3088 dshow_indev_deps="IBaseFilter"
3089 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
3090 fbdev_indev_deps="linux_fb_h"
3091 fbdev_outdev_deps="linux_fb_h"
3092 gdigrab_indev_deps="CreateDIBSection"
3093 gdigrab_indev_extralibs="-lgdi32"
3094 gdigrab_indev_select="bmp_decoder"
3095 iec61883_indev_deps="libiec61883"
3096 jack_indev_deps="jack"
3097 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
3098 kmsgrab_indev_deps="libdrm"
3099 lavfi_indev_deps="avfilter"
3100 libcdio_indev_deps="libcdio"
3101 libdc1394_indev_deps="libdc1394"
3102 libv4l2_indev_deps="libv4l2"
3103 openal_indev_deps="openal"
3104 opengl_outdev_deps="opengl"
3105 oss_indev_deps_any="soundcard_h sys_soundcard_h"
3106 oss_outdev_deps_any="soundcard_h 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_outdev_deps_any="linux_videodev2_h sys_videoio_h"
3114 vfwcap_indev_deps="vfw32 vfwcap_defines"
3115 xcbgrab_indev_deps="libxcb"
3116 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
3117 xv_outdev_extralibs="-lXv -lX11 -lXext"
3120 async_protocol_deps="threads"
3121 bluray_protocol_deps="libbluray"
3122 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
3123 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
3124 ffrtmpcrypt_protocol_select="tcp_protocol"
3125 ffrtmphttp_protocol_deps="!librtmp_protocol"
3126 ffrtmphttp_protocol_select="http_protocol"
3127 ftp_protocol_select="tcp_protocol"
3128 gopher_protocol_select="network"
3129 http_protocol_select="tcp_protocol"
3130 httpproxy_protocol_select="tcp_protocol"
3131 https_protocol_select="tls_protocol"
3132 icecast_protocol_select="http_protocol"
3133 librtmp_protocol_deps="librtmp"
3134 librtmpe_protocol_deps="librtmp"
3135 librtmps_protocol_deps="librtmp"
3136 librtmpt_protocol_deps="librtmp"
3137 librtmpte_protocol_deps="librtmp"
3138 libsmbclient_protocol_deps="libsmbclient gplv3"
3139 libssh_protocol_deps="libssh"
3140 mmsh_protocol_select="http_protocol"
3141 mmst_protocol_select="network"
3142 rtmp_protocol_deps="!librtmp_protocol"
3143 rtmp_protocol_select="tcp_protocol"
3144 rtmpe_protocol_select="ffrtmpcrypt_protocol"
3145 rtmps_protocol_deps="!librtmp_protocol"
3146 rtmps_protocol_select="tls_protocol"
3147 rtmpt_protocol_select="ffrtmphttp_protocol"
3148 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
3149 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
3150 rtp_protocol_select="udp_protocol"
3151 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
3152 sctp_protocol_select="network"
3153 srtp_protocol_select="rtp_protocol srtp"
3154 tcp_protocol_select="network"
3155 tls_gnutls_protocol_deps="gnutls !tls_schannel_protocol !tls_securetransport_protocol"
3156 tls_gnutls_protocol_select="tcp_protocol"
3157 tls_openssl_protocol_deps="openssl !tls_schannel_protocol !tls_securetransport_protocol !tls_gnutls_protocol"
3158 tls_openssl_protocol_select="tcp_protocol"
3159 tls_schannel_protocol_deps="schannel"
3160 tls_schannel_protocol_select="tcp_protocol"
3161 tls_securetransport_protocol_deps="securetransport"
3162 tls_securetransport_protocol_select="tcp_protocol"
3163 tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
3164 udp_protocol_select="network"
3165 udplite_protocol_select="network"
3166 unix_protocol_deps="sys_un_h"
3167 unix_protocol_select="network"
3170 afftfilt_filter_deps="avcodec"
3171 afftfilt_filter_select="fft"
3172 afir_filter_deps="avcodec"
3173 afir_filter_select="fft"
3174 amovie_filter_deps="avcodec avformat"
3175 aresample_filter_deps="swresample"
3176 ass_filter_deps="libass"
3177 atempo_filter_deps="avcodec"
3178 atempo_filter_select="rdft"
3179 azmq_filter_deps="libzmq"
3180 blackframe_filter_deps="gpl"
3181 boxblur_filter_deps="gpl"
3182 bs2b_filter_deps="libbs2b"
3183 colormatrix_filter_deps="gpl"
3184 coreimage_filter_deps="coreimage appkit"
3185 coreimage_filter_extralibs="-framework OpenGL"
3186 coreimagesrc_filter_deps="coreimage appkit"
3187 coreimagesrc_filter_extralibs="-framework OpenGL"
3188 cover_rect_filter_deps="avcodec avformat gpl"
3189 cropdetect_filter_deps="gpl"
3190 deinterlace_qsv_filter_deps="libmfx"
3191 deinterlace_vaapi_filter_deps="vaapi"
3192 delogo_filter_deps="gpl"
3193 deshake_filter_select="pixelutils"
3194 drawtext_filter_deps="libfreetype"
3195 elbg_filter_deps="avcodec"
3196 eq_filter_deps="gpl"
3197 fftfilt_filter_deps="avcodec"
3198 fftfilt_filter_select="rdft"
3199 find_rect_filter_deps="avcodec avformat gpl"
3200 firequalizer_filter_deps="avcodec"
3201 firequalizer_filter_select="rdft"
3202 flite_filter_deps="libflite"
3203 framerate_filter_select="pixelutils"
3204 frei0r_filter_deps="frei0r dlopen"
3205 frei0r_src_filter_deps="frei0r dlopen"
3206 fspp_filter_deps="gpl"
3207 geq_filter_deps="gpl"
3208 histeq_filter_deps="gpl"
3209 hqdn3d_filter_deps="gpl"
3210 interlace_filter_deps="gpl"
3211 kerndeint_filter_deps="gpl"
3212 ladspa_filter_deps="ladspa dlopen"
3213 mcdeint_filter_deps="avcodec gpl"
3214 movie_filter_deps="avcodec avformat"
3215 mpdecimate_filter_deps="gpl"
3216 mpdecimate_filter_select="pixelutils"
3217 mptestsrc_filter_deps="gpl"
3218 negate_filter_deps="lut_filter"
3219 nnedi_filter_deps="gpl"
3220 ocr_filter_deps="libtesseract"
3221 ocv_filter_deps="libopencv"
3222 owdenoise_filter_deps="gpl"
3223 pan_filter_deps="swresample"
3224 perspective_filter_deps="gpl"
3225 phase_filter_deps="gpl"
3226 pp7_filter_deps="gpl"
3227 pp_filter_deps="gpl postproc"
3228 pullup_filter_deps="gpl"
3229 removelogo_filter_deps="avcodec avformat swscale"
3230 repeatfields_filter_deps="gpl"
3231 resample_filter_deps="avresample"
3232 rubberband_filter_deps="librubberband"
3233 sab_filter_deps="gpl swscale"
3234 scale2ref_filter_deps="swscale"
3235 scale_filter_deps="swscale"
3236 scale_qsv_filter_deps="libmfx"
3237 select_filter_select="pixelutils"
3238 showcqt_filter_deps="avcodec avformat swscale"
3239 showcqt_filter_select="fft"
3240 showfreqs_filter_deps="avcodec"
3241 showfreqs_filter_select="fft"
3242 showspectrum_filter_deps="avcodec"
3243 showspectrum_filter_select="fft"
3244 showspectrumpic_filter_deps="avcodec"
3245 showspectrumpic_filter_select="fft"
3246 signature_filter_deps="gpl avcodec avformat"
3247 smartblur_filter_deps="gpl swscale"
3248 sofalizer_filter_deps="libmysofa avcodec"
3249 sofalizer_filter_select="fft"
3250 spectrumsynth_filter_deps="avcodec"
3251 spectrumsynth_filter_select="fft"
3252 spp_filter_deps="gpl avcodec"
3253 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
3254 stereo3d_filter_deps="gpl"
3255 subtitles_filter_deps="avformat avcodec libass"
3256 super2xsai_filter_deps="gpl"
3257 pixfmts_super2xsai_test_deps="super2xsai_filter"
3258 tinterlace_filter_deps="gpl"
3259 tinterlace_merge_test_deps="tinterlace_filter"
3260 tinterlace_pad_test_deps="tinterlace_filter"
3261 tonemap_filter_deps="const_nan"
3262 uspp_filter_deps="gpl avcodec"
3263 vaguedenoiser_filter_deps="gpl"
3264 vidstabdetect_filter_deps="libvidstab"
3265 vidstabtransform_filter_deps="libvidstab"
3266 libvmaf_filter_deps="libvmaf"
3267 zmq_filter_deps="libzmq"
3268 zoompan_filter_deps="swscale"
3269 zscale_filter_deps="libzimg const_nan"
3270 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3273 avio_dir_cmd_deps="avformat avutil"
3274 avio_reading_deps="avformat avcodec avutil"
3275 decode_audio_example_deps="avcodec avutil"
3276 decode_video_example_deps="avcodec avutil"
3277 demuxing_decoding_example_deps="avcodec avformat avutil"
3278 encode_audio_example_deps="avcodec avutil"
3279 encode_video_example_deps="avcodec avutil"
3280 extract_mvs_example_deps="avcodec avformat avutil"
3281 filter_audio_example_deps="avfilter avutil"
3282 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3283 filtering_video_example_deps="avfilter avcodec avformat avutil"
3284 http_multiclient_example_deps="avformat avutil fork"
3285 hw_decode_example_deps="avcodec avformat avutil"
3286 metadata_example_deps="avformat avutil"
3287 muxing_example_deps="avcodec avformat avutil swscale"
3288 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
3289 remuxing_example_deps="avcodec avformat avutil"
3290 resampling_audio_example_deps="avutil swresample"
3291 scaling_video_example_deps="avutil swscale"
3292 transcode_aac_example_deps="avcodec avformat swresample"
3293 transcoding_example_deps="avfilter avcodec avformat avutil"
3295 # libraries, in linking order
3296 avcodec_deps="avutil"
3297 avcodec_select="null_bsf"
3298 avdevice_deps="avformat avcodec avutil"
3299 avfilter_deps="avutil"
3300 avformat_deps="avcodec avutil"
3301 avformat_suggest="network"
3302 avresample_deps="avutil"
3303 postproc_deps="avutil gpl"
3304 swresample_deps="avutil"
3305 swscale_deps="avutil"
3308 ffmpeg_deps="avcodec avfilter avformat swresample"
3309 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3312 ffplay_deps="avcodec avformat swscale swresample sdl2"
3313 ffplay_extralibs='$sdl2_extralibs'
3314 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3315 ffprobe_deps="avcodec avformat"
3316 ffserver_deps="avformat fork sarestart"
3317 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
3320 podpages_deps="perl"
3321 manpages_deps="perl pod2man"
3322 htmlpages_deps="perl"
3323 htmlpages_deps_any="makeinfo_html texi2html"
3324 txtpages_deps="perl makeinfo"
3325 doc_deps_any="manpages htmlpages podpages txtpages"
3327 # default parameters
3329 logfile="ffbuild/config.log"
3331 # installation paths
3332 prefix_default="/usr/local"
3333 bindir_default='${prefix}/bin'
3334 datadir_default='${prefix}/share/ffmpeg'
3335 docdir_default='${prefix}/share/doc/ffmpeg'
3336 incdir_default='${prefix}/include'
3337 libdir_default='${prefix}/lib'
3338 mandir_default='${prefix}/share/man'
3344 host_cc_default="gcc"
3345 doxygen_default="doxygen"
3347 ln_s_default="ln -s -f"
3349 pkg_config_default=pkg-config
3350 ranlib_default="ranlib"
3351 strip_default="strip"
3352 version_script='--version-script'
3353 x86asmexe_default="nasm"
3354 windres_default="windres"
3356 nvccflags_default="-gencode arch=compute_30,code=sm_30 -O2"
3359 target_os_default=$(tolower $(uname -s))
3360 host_os=$target_os_default
3363 if test "$target_os_default" = aix; then
3364 arch_default=$(uname -p)
3365 strip_default="strip -X32_64"
3367 arch_default=$(uname -m)
3372 # configurable options
3373 enable $PROGRAM_LIST
3374 enable $DOCUMENT_LIST
3375 enable $EXAMPLE_LIST
3376 enable $(filter_out avresample $LIBRARY_LIST)
3382 enable faan faandct faanidct
3383 enable optimizations
3384 enable runtime_cpudetect
3385 enable safe_bitstream_reader
3387 enable swscale_alpha
3388 enable valgrind_backtrace
3390 sws_max_filter_size_default=256
3391 set_default sws_max_filter_size
3394 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3397 FULLNAME='$(NAME)$(BUILDSUF)'
3398 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3401 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3402 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3403 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3404 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3405 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3406 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3407 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
3434 host_extralibs='-lm'
3435 host_cflags_filter=echo
3436 host_ldflags_filter=echo
3438 target_path='$(CURDIR)'
3440 # since the object filename is not given with the -MM flag, the compiler
3441 # is only able to print the basename, and we must add the path ourselves
3442 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3448 if test -f configure; then
3451 source_path=$(cd $(dirname "$0"); pwd)
3452 case "$source_path" in
3453 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3455 test -e "$source_path/config.h" &&
3456 die "Out of tree builds are impossible with config.h in source dir."
3463 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3469 file=$source_path/$3
3470 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3473 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
3474 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
3475 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
3476 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
3477 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
3478 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
3479 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
3480 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
3481 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3483 find_things_extern(){
3486 file=$source_path/$3
3487 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
3490 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3491 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3507 for n in $COMPONENT_LIST; do
3508 v=$(toupper ${n%s})_LIST
3510 eval ${n}_if_any="\$$v"
3513 enable $ARCH_EXT_LIST
3516 echo "Unknown option \"$1\"."
3517 echo "See $0 --help for available options."
3521 print_in_columns() {
3522 cols=$(expr $ncols / 24)
3523 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3529 echo $* | sed s/$suffix//g | print_in_columns
3541 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3542 echo "prob ${prob:-0.5}"
3550 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3551 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3560 --extra-ldexeflags=*)
3561 add_ldexeflags $optval
3563 --extra-ldlibflags=*)
3564 add_ldlibflags $optval
3567 add_extralibs $optval
3570 disable $INDEV_LIST $OUTDEV_LIST
3573 debuglevel="$optval"
3576 disable $PROGRAM_LIST
3578 --disable-everything)
3579 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3582 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3583 disable $LIBRARY_LIST $PROGRAM_LIST doc
3586 --enable-random|--disable-random)
3587 action=${opt%%-random}
3588 do_random ${action#--} $COMPONENT_LIST
3590 --enable-random=*|--disable-random=*)
3591 action=${opt%%-random=*}
3592 do_random ${action#--} $optval
3597 --enable-*=*|--disable-*=*)
3598 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3599 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3600 eval list=\$$(toupper $thing)_LIST
3601 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3602 list=$(filter "$name" $list)
3603 [ "$list" = "" ] && warn "Option $opt did not match anything"
3606 --enable-yasm|--disable-yasm)
3607 warn "The ${opt} option is only provided for compatibility and will be\n"\
3608 "removed in the future. Use --enable-x86asm / --disable-x86asm instead."
3609 test $opt = --enable-yasm && x86asm=yes || x86asm=no
3612 warn "The --yasmexe option is only provided for compatibility and will be\n"\
3613 "removed in the future. Use --x86asmexe instead."
3616 --enable-?*|--disable-?*)
3617 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3618 if is_in $option $COMPONENT_LIST; then
3619 test $action = disable && action=unset
3620 eval $action \$$(toupper ${option%s})_LIST
3621 elif is_in $option $CMDLINE_SELECT; then
3628 NAME="${opt#--list-}"
3629 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3631 eval show_list $NAME \$$(toupper $NAME)_LIST
3633 --help|-h) show_help
3635 --quiet|-q) quiet=yes
3637 --fatal-warnings) enable fatal_warnings
3640 libfuzzer_path="$optval"
3643 optname="${opt%%=*}"
3644 optname="${optname#--}"
3645 optname=$(echo "$optname" | sed 's/-/_/g')
3646 if is_in $optname $CMDLINE_SET; then
3647 eval $optname='$optval'
3648 elif is_in $optname $CMDLINE_APPEND; then
3649 append $optname "$optval"
3661 if disabled autodetect; then
3663 # Unless iconv is explicitely disabled by the user, we still want to probe
3664 # for the iconv from the libc.
3665 disabled iconv || enable libc_iconv
3667 disable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3668 disable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3670 # Mark specifically enabled, but normally autodetected libraries as requested.
3671 for lib in $AUTODETECT_LIBS; do
3672 enabled $lib && request $lib
3674 #TODO: switch to $AUTODETECT_LIBS when $THREADS_LIST is supported the same way
3675 enable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3676 enable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3678 disabled logging && logfile=/dev/null
3680 die_license_disabled() {
3681 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
3684 die_license_disabled_gpl() {
3685 enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }
3688 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3689 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3691 enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST
3692 map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST
3694 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3696 # Disable all the library-specific components if the library itself
3697 # is disabled, see AVCODEC_LIST and following _LIST variables.
3699 disable_components(){
3700 disabled ${1} && disable $(
3701 eval components="\$$(toupper ${1})_COMPONENTS"
3702 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3706 map 'disable_components $v' $LIBRARY_LIST
3708 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3711 test -n "$valgrind" && toolchain="valgrind-memcheck"
3713 enabled ossfuzz && {
3714 add_cflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer
3715 add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp
3718 case "$toolchain" in
3720 cc_default="${toolchain%-asan}"
3721 add_cflags -fsanitize=address
3722 add_ldflags -fsanitize=address
3725 cc_default="${toolchain%-msan}"
3726 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
3727 add_ldflags -fsanitize=memory
3730 cc_default="${toolchain%-tsan}"
3731 add_cflags -fsanitize=thread -fPIE
3732 add_ldflags -fsanitize=thread -pie
3733 case "$toolchain" in
3741 cc_default="${toolchain%-usan}"
3742 add_cflags -fsanitize=undefined
3743 add_ldflags -fsanitize=undefined
3746 target_exec_default="valgrind"
3747 case "$toolchain" in
3749 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
3752 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3757 # Check whether the current MSVC version needs the C99 converter.
3758 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3759 # support enough of C99 to build ffmpeg. Default to the new
3760 # behaviour if the regexp was unable to match anything, since this
3761 # successfully parses the version number of existing supported
3762 # versions that require the converter (MSVC 2010 and 2012).
3763 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3764 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3768 cc_default="c99wrap cl"
3769 cxx_default="c99wrap cl"
3771 ld_default="$source_path/compat/windows/mslink"
3772 nm_default="dumpbin -symbols"
3779 target_os_default="win32"
3780 # Use a relative path for TMPDIR. This makes sure all the
3781 # ffconf temp files are written with a relative path, avoiding
3782 # issues with msys/win32 path conversion for MSVC parameters
3783 # such as -Fo<file> or -out:<file>.
3789 nm_default="dumpbin -symbols"
3791 target_os_default="win32"
3795 add_cflags -fprofile-arcs -ftest-coverage
3796 add_ldflags -fprofile-arcs -ftest-coverage
3799 add_cflags -fprofile-arcs -ftest-coverage
3800 add_ldflags --coverage
3803 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3804 add_cflags -fno-strict-overflow -fstack-protector-all
3805 add_ldflags -Wl,-z,relro -Wl,-z,now
3807 add_ldexeflags -fPIE -pie
3810 die "Unknown toolchain $toolchain"
3814 test -n "$cross_prefix" && enable cross_compile
3816 if enabled cross_compile; then
3817 test -n "$arch" && test -n "$target_os" ||
3818 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
3821 ar_default="${cross_prefix}${ar_default}"
3822 cc_default="${cross_prefix}${cc_default}"
3823 cxx_default="${cross_prefix}${cxx_default}"
3824 nm_default="${cross_prefix}${nm_default}"
3825 pkg_config_default="${cross_prefix}${pkg_config_default}"
3826 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3827 ranlib_default="${cross_prefix}${ranlib_default} -D"
3829 ranlib_default="${cross_prefix}${ranlib_default}"
3831 strip_default="${cross_prefix}${strip_default}"
3832 windres_default="${cross_prefix}${windres_default}"
3834 sysinclude_default="${sysroot}/usr/include"
3836 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3837 target_exec target_os x86asmexe nvcc
3838 enabled cross_compile || host_cc_default=$cc
3841 pkg_config_fail_message=""
3842 if ! $pkg_config --version >/dev/null 2>&1; then
3843 warn "$pkg_config not found, library detection may fail."
3845 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3846 pkg_config_fail_message="
3847 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3850 if test $doxygen != $doxygen_default && \
3851 ! $doxygen --version >/dev/null 2>&1; then
3852 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3857 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3861 EXESUF=$(exesuf $target_os)
3862 HOSTEXESUF=$(exesuf $host_os)
3864 # set temporary file name
3865 : ${TMPDIR:=$TEMPDIR}
3869 if [ -n "$tempprefix" ] ; then
3871 tmpname="$tempprefix.${HOSTNAME}.${UID}"
3875 elif ! check_cmd mktemp -u XXXXXX; then
3876 # simple replacement for missing mktemp
3877 # NOT SAFE FOR GENERAL USE
3879 tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3885 FFTMPDIR=$(mktemp -d "${TMPDIR}/ffconf.XXXXXXXX" 2> /dev/null) ||
3886 die "Unable to create temporary directory in $TMPDIR."
3889 tmp="${FFTMPDIR}/test"$2
3890 (set -C; exec > $tmp) 2> /dev/null ||
3891 die "Unable to create temporary file in $FFTMPDIR."
3895 trap 'rm -rf -- "$FFTMPDIR"' EXIT
3901 tmpfile TMPE $EXESUF
3913 # make sure we can execute files in $TMPDIR
3914 cat > $TMPSH 2>> $logfile <<EOF
3917 chmod +x $TMPSH >> $logfile 2>&1
3918 if ! $TMPSH >> $logfile 2>&1; then
3920 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3921 variable to another directory and make sure that it is not mounted noexec.
3923 die "Sanity test failed."
3929 # Filter out MSVC cl.exe options from cflags that shouldn't
3930 # be passed to gas-preprocessor
3940 -std=c99) echo -c99 ;;
3941 -mcpu=*) echo -arch ${flag#*=} ;;
3942 -mieee) echo -ieee ;;
3943 -O*|-fast) echo $flag ;;
3944 -fno-math-errno) echo -assume nomath_errno ;;
3946 -Wall) echo -msg_enable level2 ;;
3947 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3948 -Wl,*) echo $flag ;;
3958 -Wno-switch) echo -Wno-switch-enum ;;
3959 -Wno-format-zero-length) ;;
3960 -Wdisabled-optimization) ;;
3961 -Wno-pointer-sign) echo -Wno-other ;;
3967 msvc_common_flags(){
3970 # In addition to specifying certain flags under the compiler
3971 # specific filters, they must be specified here as well or else the
3972 # generic catch all at the bottom will print the original flag.
3977 -fomit-frame-pointer) ;;
3981 -fno-signed-zeros) ;;
3985 -lz) echo zlib.lib ;;
3986 -lx264) echo libx264.lib ;;
3988 -l*) echo ${flag#-l}.lib ;;
3989 -LARGEADDRESSAWARE) echo $flag ;;
3990 -L*) echo -libpath:${flag#-L} ;;
3997 msvc_common_flags "$@"
4000 -Wall) echo -W3 -wd4018 -wd4146 -wd4244 -wd4305 \
4002 -Wextra) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
4003 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4004 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
4006 -wd4273 -wd4554 -wd4701 -wd4703 ;;
4012 msvc_common_flags "$@"
4015 # Despite what Intel's documentation says -Wall, which is supported
4016 # on Windows, does enable remarks so disable them here.
4017 -Wall) echo $flag -Qdiag-disable:remark ;;
4018 -std=c99) echo -Qstd=c99 ;;
4036 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
4037 -fomit-frame-pointer) echo -Mnoframe ;;
4048 case "${flag#*=}" in
4049 native) echo -xtarget=native ;;
4050 v9|niagara) echo -xarch=sparc ;;
4051 ultrasparc) echo -xarch=sparcvis ;;
4052 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
4053 i586|pentium) echo -xchip=pentium ;;
4054 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
4055 pentium3*|c3-2) echo -xtarget=pentium3 ;;
4056 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
4057 pentium4*) echo -xtarget=pentium4 ;;
4058 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
4059 *-sse3) echo -xarch=sse3 ;;
4060 core2) echo -xarch=ssse3 -xchip=core2 ;;
4061 bonnell) echo -xarch=ssse3 ;;
4062 corei7|nehalem) echo -xtarget=nehalem ;;
4063 westmere) echo -xtarget=westmere ;;
4064 silvermont) echo -xarch=sse4_2 ;;
4065 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
4066 core-avx*|ivybridge|haswell|broadwell|skylake*|knl)
4068 amdfam10|barcelona) echo -xtarget=barcelona ;;
4069 btver1) echo -xarch=amdsse4a ;;
4070 btver2|bdver*|znver*) echo -xarch=avx ;;
4071 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
4072 k8|opteron|athlon64|athlon-fx)
4073 echo -xarch=sse2a ;;
4074 athlon*) echo -xarch=pentium_proa ;;
4077 -std=c99) echo -xc99 ;;
4078 -fomit-frame-pointer) echo -xregs=frameptr ;;
4079 -fPIC) echo -KPIC -xcode=pic32 ;;
4080 -W*,*) echo $flag ;;
4081 -f*-*|-W*|-mimpure-text) ;;
4092 case "${flag#*=}" in
4093 armv7-a|cortex-a*) echo -mv=7a8 ;;
4094 armv7-r|cortex-r*) echo -mv=7r4 ;;
4095 armv7-m|cortex-m*) echo -mv=7m3 ;;
4096 armv6*|arm11*) echo -mv=6 ;;
4097 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
4099 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
4102 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
4103 -mfpu=vfp) echo --float_support=vfpv2 ;;
4104 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
4105 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
4106 -msoft-float) echo --float_support=vfplib ;;
4107 -O[0-3]|-mf=*) echo $flag ;;
4109 -pds=*) echo $flag ;;
4110 -D*|-I*) echo $flag ;;
4111 --gcc|--abi=*) echo $flag ;;
4122 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
4123 unset _ld_o _ldflags _ld_lib _ld_path
4124 unset _depflags _DEPCMD _DEPFLAGS
4127 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
4128 true # no-op to avoid reading stdin in following checks
4129 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
4131 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
4132 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
4133 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4136 elif $_cc -v 2>&1 | grep -qi ^gcc; then
4138 gcc_version=$($_cc --version | head -n1)
4139 gcc_basever=$($_cc -dumpversion)
4140 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
4141 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
4142 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
4143 case $gcc_basever in
4146 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
4148 if [ "$first" = true ]; then
4149 case $gcc_basever in
4151 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
4156 elif $_cc --version 2>/dev/null | grep -q ^icc; then
4158 _ident=$($_cc --version | head -n1)
4163 _flags_filter=icc_flags
4164 elif $_cc -v 2>&1 | grep -q xlc; then
4166 _ident=$($_cc -qversion 2>/dev/null | head -n1)
4168 _cflags_size='-O5 -qcompact'
4169 elif $_cc -V 2>/dev/null | grep -q Compaq; then
4171 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
4173 _cflags_speed='-fast'
4175 _flags_filter=ccc_flags
4176 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
4177 test -d "$sysroot" || die "No valid sysroot specified."
4179 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
4180 armcc_conf="$PWD/armcc.conf"
4181 $_cc --arm_linux_configure \
4182 --arm_linux_config_file="$armcc_conf" \
4183 --configure_sysroot="$sysroot" \
4184 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
4185 die "Error creating armcc configuration file."
4186 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
4187 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
4188 as_default="${cross_prefix}gcc"
4192 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
4194 _ident=$($_cc -version | head -n1 | tr -s ' ')
4195 _flags='--gcc --abi=eabi -me'
4198 _depflags='-ppa -ppd=$(@:.o=.d)'
4199 _cflags_speed='-O3 -mf=5'
4200 _cflags_size='-O3 -mf=2'
4201 _flags_filter=tms470_flags
4202 elif $_cc -v 2>&1 | grep -q clang; then
4204 _ident=$($_cc --version 2>/dev/null | head -n1)
4205 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4208 elif $_cc -V 2>&1 | grep -q Sun; then
4210 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
4211 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
4212 _DEPFLAGS='-xM1 -xc99'
4215 _cflags_size='-O5 -xspace'
4216 _flags_filter=suncc_flags
4217 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
4219 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4220 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4223 _flags_filter='filter_out -Wdisabled-optimization'
4224 elif $_cc -v 2>&1 | grep -q Open64; then
4226 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4227 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4230 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
4231 elif $_cc -V 2>&1 | grep -q Portland; then
4233 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
4234 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
4235 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
4236 _cflags_size="-O2 -Munroll=c:1 $opt_common"
4238 _flags_filter=pgi_flags
4239 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
4241 _ident=$($_cc | head -n1)
4242 # 4509: "This form of conditional instruction is deprecated"
4243 _flags="-nologo -ignore 4509"
4244 _flags_filter=armasm_flags
4245 elif $_cc 2>&1 | grep -q Intel; then
4247 _ident=$($_cc 2>&1 | head -n1)
4248 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
4249 # Not only is O3 broken on 13.x+ but it is slower on all previous
4250 # versions (tested) as well.
4252 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
4253 if $_cc 2>&1 | grep -q Linker; then
4260 _flags_filter=icl_flags
4262 _ld_path='-libpath:'
4263 # -Qdiag-error to make icl error when seeing certain unknown arguments
4264 _flags='-nologo -Qdiag-error:4044,10157'
4265 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
4266 # with MSVC which enables it by default.
4267 _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise'
4269 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
4270 # lld can emulate multiple different linkers; in ms link.exe mode,
4271 # the -? parameter gives the help output which contains an identifyable
4272 # string, while it gives an error in other modes.
4274 # The link.exe mode doesn't have a switch for getting the version,
4275 # but we can force it back to gnu mode and get the version from there.
4276 _ident=$($_cc -flavor gnu --version 2>/dev/null)
4278 _flags_filter=msvc_flags
4280 _ld_path='-libpath:'
4281 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
4283 _ident=$($_cc 2>&1 | head -n1)
4284 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
4285 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
4289 if $_cc -nologo- 2>&1 | grep -q Linker; then
4296 _flags_filter=msvc_flags
4298 _ld_path='-libpath:'
4301 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
4303 _ident=$($_cc --version | head -n1)
4307 _flags_filter=cparser_flags
4310 eval ${pfx}_type=\$_type
4311 eval ${pfx}_ident=\$_ident
4315 eval ${1}_C=\${_cc_c-\${${1}_C}}
4316 eval ${1}_E=\${_cc_e-\${${1}_E}}
4317 eval ${1}_O=\${_cc_o-\${${1}_O}}
4319 if [ -n "$_depflags" ]; then
4320 eval ${1}_DEPFLAGS=\$_depflags
4322 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
4323 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
4324 eval DEP${1}FLAGS=\$_flags
4328 probe_cc cc "$cc" "true"
4329 cflags_filter=$_flags_filter
4330 cflags_speed=$_cflags_speed
4331 cflags_size=$_cflags_size
4332 cflags_noopt=$_cflags_noopt
4333 add_cflags $_flags $_cflags
4334 cc_ldflags=$_ldflags
4338 probe_cc hostcc "$host_cc"
4339 host_cflags_filter=$_flags_filter
4340 host_cflags_speed=$_cflags_speed
4341 add_host_cflags $_flags $_cflags
4344 test -n "$cc_type" && enable $cc_type ||
4345 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
4347 : ${as_default:=$cc}
4348 : ${objcc_default:=$cc}
4349 : ${dep_cc_default:=$cc}
4350 : ${ld_default:=$cc}
4351 : ${host_ld_default:=$host_cc}
4352 set_default ar as objcc dep_cc ld ln_s host_ld windres
4355 asflags_filter=$_flags_filter
4356 add_asflags $_flags $_cflags
4359 probe_cc objcc "$objcc"
4360 objcflags_filter=$_flags_filter
4361 add_objcflags $_flags $_cflags
4365 ldflags_filter=$_flags_filter
4366 add_ldflags $_flags $_ldflags
4367 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
4369 LD_LIB=${_ld_lib-$LD_LIB}
4370 LD_PATH=${_ld_path-$LD_PATH}
4372 probe_cc hostld "$host_ld"
4373 host_ldflags_filter=$_flags_filter
4374 add_host_ldflags $_flags $_ldflags
4375 HOSTLD_O=${_ld_o-$HOSTLD_O}
4377 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
4378 probe_cc depcc "$dep_cc"
4379 CCDEP=${_DEPCMD:-$DEPCMD}
4380 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
4384 if $ar 2>&1 | grep -q Microsoft; then
4387 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
4390 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
4391 arflags='-Xany -r -c'
4393 elif $ar 2>&1 | grep -q "\[D\] "; then
4401 add_cflags $extra_cflags
4402 add_cxxflags $extra_cxxflags
4403 add_objcflags $extra_objcflags
4404 add_asflags $extra_cflags
4406 if test -n "$sysroot"; then
4409 add_cppflags --sysroot="$sysroot"
4410 add_ldflags --sysroot="$sysroot"
4411 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
4412 add_cppflags -isysroot "$sysroot"
4413 add_ldflags -isysroot "$sysroot"
4416 add_cppflags -I"$sysinclude"
4417 add_ldflags --sysroot="$sysroot"
4422 if test "$cpu" = host; then
4423 enabled cross_compile &&
4424 die "--cpu=host makes no sense when cross-compiling."
4429 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4431 s/.*$1=\\([^ ]*\\).*/\\1/
4436 cpu=$(check_native -march || check_native -mcpu)
4440 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4441 sed -n "/cc1.*-target-cpu /{
4442 s/.*-target-cpu \\([^ ]*\\).*/\\1/
4447 cpu=$(check_native -march)
4451 test "${cpu:-host}" = host &&
4452 die "--cpu=host not supported with compiler $cc"
4455 # Deal with common $arch aliases
4479 "Power Macintosh"|ppc*|powerpc*)
4494 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
4499 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
4502 # Add processor-specific flags
4503 if enabled aarch64; then
4507 cpuflags="-march=$cpu"
4510 cpuflags="-mcpu=$cpu"
4514 elif enabled alpha; then
4516 cpuflags="-mcpu=$cpu"
4518 elif enabled arm; then
4521 check_cpp_condition stddef.h \
4522 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4527 if check_arm_arch 4; then echo armv4
4528 elif check_arm_arch 4T; then echo armv4t
4529 elif check_arm_arch 5; then echo armv5
4530 elif check_arm_arch 5E; then echo armv5e
4531 elif check_arm_arch 5T; then echo armv5t
4532 elif check_arm_arch 5TE; then echo armv5te
4533 elif check_arm_arch 5TEJ; then echo armv5te
4534 elif check_arm_arch 6; then echo armv6
4535 elif check_arm_arch 6J; then echo armv6j
4536 elif check_arm_arch 6K; then echo armv6k
4537 elif check_arm_arch 6Z; then echo armv6z
4538 elif check_arm_arch 6ZK; then echo armv6zk
4539 elif check_arm_arch 6T2; then echo armv6t2
4540 elif check_arm_arch 7; then echo armv7
4541 elif check_arm_arch 7A 7_A; then echo armv7-a
4542 elif check_arm_arch 7S; then echo armv7-a
4543 elif check_arm_arch 7R 7_R; then echo armv7-r
4544 elif check_arm_arch 7M 7_M; then echo armv7-m
4545 elif check_arm_arch 7EM 7E_M; then echo armv7-m
4546 elif check_arm_arch 8A 8_A; then echo armv8-a
4550 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4554 cpuflags="-march=$cpu"
4555 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4558 cpuflags="-mcpu=$cpu"
4560 cortex-a*) subarch=armv7a ;;
4561 cortex-r*) subarch=armv7r ;;
4562 cortex-m*) enable thumb; subarch=armv7m ;;
4563 arm11*) subarch=armv6 ;;
4564 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4565 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4566 *) subarch=$(probe_arm_arch) ;;
4572 armv5t*) enable fast_clz ;;
4575 disabled fast_unaligned || enable fast_unaligned
4579 elif enabled avr32; then
4584 cpuflags="-mpart=$cpu"
4588 cpuflags="-march=$cpu"
4592 cpuflags="-mcpu=$cpu"
4596 cpuflags="-march=$cpu"
4600 elif enabled bfin; then
4602 cpuflags="-mcpu=$cpu"
4604 elif enabled mips; then
4606 cpuflags="-march=$cpu"
4608 if [ "$cpu" != "generic" ]; then
4618 24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)
4629 enable local_aligned_8 local_aligned_16 local_aligned_32
4630 enable simd_align_16
4634 enable fast_unaligned
4635 disable aligned_stack
4641 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4644 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4647 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4652 # Unknown CPU. Disable everything.
4653 warn "unknown CPU. Disabling all MIPS optimizations."
4676 24kef*|34kf*|1004kf*)
4684 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"
4688 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4692 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4696 # We do not disable anything. Is up to the user to disable the unwanted features.
4697 warn 'generic cpu selected'
4700 elif enabled ppc; then
4704 case $(tolower $cpu) in
4705 601|ppc601|powerpc601)
4706 cpuflags="-mcpu=601"
4709 603*|ppc603*|powerpc603*)
4710 cpuflags="-mcpu=603"
4713 604*|ppc604*|powerpc604*)
4714 cpuflags="-mcpu=604"
4717 g3|75*|ppc75*|powerpc75*)
4718 cpuflags="-mcpu=750"
4721 g4|745*|ppc745*|powerpc745*)
4722 cpuflags="-mcpu=7450"
4725 74*|ppc74*|powerpc74*)
4726 cpuflags="-mcpu=7400"
4729 g5|970|ppc970|powerpc970)
4730 cpuflags="-mcpu=970"
4734 cpuflags="-mcpu=$cpu"
4738 cpuflags="-mcpu=$cpu"
4741 cpuflags="-mcpu=cell"
4746 cpuflags="-mcpu=e500mc"
4750 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4755 cpuflags="-mcpu=8540 -mhard-float"
4761 elif enabled sparc; then
4764 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4765 cpuflags="-mcpu=$cpu"
4767 ultrasparc*|niagara[234])
4768 cpuflags="-mcpu=$cpu"
4772 elif enabled x86; then
4776 cpuflags="-march=$cpu"
4780 # targets that do NOT support nopl and conditional mov (cmov)
4781 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4782 cpuflags="-march=$cpu"
4785 # targets that do support nopl and conditional mov (cmov)
4786 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4787 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\
4788 |amdfam10|barcelona|b[dt]ver*|znver*)
4789 cpuflags="-march=$cpu"
4793 # targets that do support conditional mov but on which it's slow
4794 pentium4|pentium4m|prescott|nocona)
4795 cpuflags="-march=$cpu"
4803 if [ "$cpu" != generic ]; then
4804 add_cflags $cpuflags
4805 add_asflags $cpuflags
4806 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4809 # compiler sanity check
4811 int main(void){ return 0; }
4813 if test "$?" != 0; then
4814 echo "$cc is unable to create an executable file."
4815 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4816 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4817 echo "Only do this if you know what cross compiling means."
4819 die "C compiler test failed."
4822 add_cppflags -D_ISOC99_SOURCE
4823 add_cxxflags -D__STDC_CONSTANT_MACROS
4824 check_cxxflags -std=c++11 || check_cxxflags -std=c++0x
4826 # some compilers silently accept -std=c11, so we also need to check that the
4827 # version macro is defined properly
4828 check_cpp_condition ctype.h "__STDC_VERSION__ >= 201112L" -std=c11 &&
4829 add_cflags -std=c11 ||
4830 check_cflags -std=c99
4832 check_cppflags -D_FILE_OFFSET_BITS=64
4833 check_cppflags -D_LARGEFILE_SOURCE
4835 add_host_cppflags -D_ISOC99_SOURCE
4836 check_host_cflags -std=c99
4837 check_host_cflags -Wall
4838 check_host_cflags $host_cflags_speed
4844 check_code cc "" "int test[2*($expr) - 1]" &&
4845 subarch=$arch64 || subarch=$arch32
4853 check_64bit mips mips64 '_MIPS_SIM > 1'
4857 check_64bit parisc parisc64 'sizeof(void *) > 4'
4861 check_64bit ppc ppc64 'sizeof(void *) > 4'
4865 check_64bit s390 s390x 'sizeof(void *) > 4'
4869 check_64bit sparc sparc64 'sizeof(void *) > 4'