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
737 enabled ${cfg}_checking && die "Circular dependency for $cfg."
738 disabled ${cfg}_checking && continue
739 enable ${cfg}_checking
742 eval dep_all="\$${cfg}_deps"
743 eval dep_any="\$${cfg}_deps_any"
744 eval dep_con="\$${cfg}_conflict"
745 eval dep_sel="\$${cfg}_select"
746 eval dep_sgs="\$${cfg}_suggest"
747 eval dep_ifa="\$${cfg}_if"
748 eval dep_ifn="\$${cfg}_if_any"
750 pushvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
751 do_check_deps $dep_all $dep_any $dep_con $dep_sel $dep_sgs $dep_ifa $dep_ifn
752 popvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
754 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
755 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
756 enabled_all $dep_all || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not all dependencies are satisfied: $dep_all"; }
757 enabled_any $dep_any || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not any dependency is satisfied: $dep_any"; }
758 disabled_all $dep_con || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some conflicting dependencies are unsatisfied: $dep_con"; }
759 disabled_any $dep_sel && { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some selected dependency is unsatisfied: $dep_sel"; }
761 if enabled $cfg; then
763 enable_deep_weak $dep_sgs
766 disable ${cfg}_checking
775 for cfg in $allopts; do
776 enabled $cfg || continue
777 eval dep_extralibs="\$${cfg}_extralibs"
778 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
786 map 'eval echo "$v \${$v:-no}"' "$@" |
787 awk "BEGIN { split(\"$files\", files) }
789 c = \"$pfx\" toupper(\$1);
795 if (file ~ /\\.h\$/) {
796 printf(\"#define %s %d\\n\", c, v) >>file;
797 } else if (file ~ /\\.asm\$/) {
798 printf(\"%%define %s %d\\n\", c, v) >>file;
799 } else if (file ~ /\\.mak\$/) {
800 n = -v ? \"\" : \"!\";
801 printf(\"%s%s=yes\\n\", n, c) >>file;
802 } else if (file ~ /\\.texi\$/) {
803 pre = -v ? \"\" : \"@c \";
806 gsub(/_/, \"-\", c2);
807 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
817 enabled $v && printf "%s\n" ${v%$suf}
824 eval "$var=\"\$$var $*\""
830 eval "$var=\"$* \$$var\""
836 for tok in $(eval echo \$$var); do
837 uniq_list="$(filter_out $tok $uniq_list) $tok"
839 eval "$var=\"${uniq_list}\""
847 append CFLAGS $($cflags_filter "$@")
850 add_cflags_headers(){
851 append CFLAGS_HEADERS $($cflags_filter "$@")
855 append CXXFLAGS $($cflags_filter "$@")
859 append ASFLAGS $($asflags_filter "$@")
863 append OBJCFLAGS $($objcflags_filter "$@")
867 append LDFLAGS $($ldflags_filter "$@")
871 append LDEXEFLAGS $($ldflags_filter "$@")
875 append LDLIBFLAGS $($ldflags_filter "$@")
879 append ASMSTRIPFLAGS "$@"
883 prepend extralibs $($ldflags_filter "$@")
887 append host_cppflags "$@"
891 append host_cflags $($host_cflags_filter "$@")
895 append host_ldflags $($host_ldflags_filter "$@")
899 append compat_objs $1
901 map 'add_cppflags -D$v' "$@"
906 "$@" >> $logfile 2>&1
911 stat "$1" >> $logfile 2>&1
915 eval printf '%s\\n' $CC_O
919 eval printf '%s\\n' $CC_E
926 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
933 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
940 check_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
947 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
951 eval printf '%s\\n' $AS_O
958 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
962 log check_inline_asm "$@"
967 check_cc "$@" <<EOF && enable $name
968 void foo(void){ __asm__ volatile($code); }
972 check_inline_asm_flags(){
973 log check_inline_asm_flags "$@"
978 while [ "$1" != "" ]; do
984 void foo(void){ __asm__ volatile($code); }
987 check_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&
988 enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags
993 check_inline_asm ${1}_inline "\"$2\""
994 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
998 log check_x86asm "$@"
1002 check_cmd $x86asmexe $X86ASMFLAGS -Werror "$@" -o $TMPO $TMPS
1006 eval printf '%s\\n' $LD_O
1013 flags=$(filter_out '-l*|*.so' $@)
1014 libs=$(filter '-l*|*.so' $@)
1015 check_$type $($cflags_filter $flags) || return
1016 flags=$($ldflags_filter $flags)
1017 libs=$($ldflags_filter $libs)
1018 check_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
1023 test "${hdr%.h}" = "${hdr}" &&
1024 echo "#include $hdr" ||
1025 echo "#include <$hdr>"
1035 for hdr in $headers; do
1038 echo "int main(void) { $code; return 0; }"
1039 } | check_$check "$@"
1043 log check_cppflags "$@"
1044 check_cpp "$@" <<EOF && append CPPFLAGS "$@"
1050 log test_cflags "$@"
1051 set -- $($cflags_filter "$@")
1058 log check_cflags "$@"
1059 test_cflags "$@" && add_cflags "$@"
1063 log check_cxxflags "$@"
1064 set -- $($cflags_filter "$@")
1065 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
1071 log test_objcflags "$@"
1072 set -- $($objcflags_filter "$@")
1073 check_objcc "$@" <<EOF
1079 log check_objcflags "$@"
1080 test_objcflags "$@" && add_objcflags "$@"
1084 log test_ldflags "$@"
1085 check_ld "cc" "$@" <<EOF
1086 int main(void){ return 0; }
1091 log check_ldflags "$@"
1092 test_ldflags "$@" && add_ldflags "$@"
1096 log test_stripflags "$@"
1097 # call check_cc to get a fresh TMPO
1099 int main(void) { return 0; }
1101 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1105 log check_stripflags "$@"
1106 test_stripflags "$@" && add_stripflags "$@"
1110 log check_header "$@"
1113 disable_safe $header
1114 check_cpp "$@" <<EOF && enable_safe $header
1120 check_header_objcc(){
1121 log check_header_objcc "$@"
1125 disable_safe $header
1127 echo "#include <$header>"
1128 echo "int main(void) { return 0; }"
1129 } | check_objcc && check_stat "$TMPO" && enable_safe $header
1132 check_apple_framework(){
1133 log check_apple_framework "$@"
1135 name="$(tolower $framework)"
1136 header="${framework}/${framework}.h"
1138 check_header_objcc $header && enable $name && add_extralibs "-framework $framework"
1146 check_ld "cc" "$@" <<EOF && enable $func
1148 int main(void){ $func(); }
1152 check_complexfunc(){
1153 log check_complexfunc "$@"
1157 test $narg = 2 && args="f, g" || args="f * I"
1159 check_ld "cc" "$@" <<EOF && enable $func
1160 #include <complex.h>
1162 float foo(complex float f, complex float g) { return $func($args); }
1163 int main(void){ return (int) foo; }
1168 log check_mathfunc "$@"
1172 test $narg = 2 && args="f, g" || args="f"
1174 check_ld "cc" "$@" <<EOF && enable $func
1176 float foo(float f, float g) { return $func($args); }
1177 int main(void){ return (int) foo; }
1181 check_func_headers(){
1182 log check_func_headers "$@"
1187 for hdr in $headers; do
1190 echo "#include <stdint.h>"
1191 for func in $funcs; do
1192 echo "long check_$func(void) { return (long) $func; }"
1194 echo "int main(void) { int ret = 0;"
1195 # LTO could optimize out the test functions without this
1196 for func in $funcs; do
1197 echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"
1199 echo "return ret; }"
1200 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1203 check_class_headers_cpp(){
1204 log check_class_headers_cpp "$@"
1209 for hdr in $headers; do
1210 echo "#include <$hdr>"
1212 echo "int main(void) { "
1214 for class in $classes; do
1215 echo "$class obj$i;"
1219 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1222 check_cpp_condition(){
1223 log check_cpp_condition "$@"
1227 check_cpp "$@" <<EOF
1230 #error "unsatisfied condition: $condition"
1236 log test_cflags_cc "$@"
1241 set -- $($cflags_filter "$flags")
1245 #error "unsatisfied condition: $condition"
1257 check_func_headers "$headers" "$funcs" "$@" &&
1258 enable $name && add_extralibs "$@"
1262 log check_lib_cpp "$@"
1266 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1270 log check_pkg_config "$@"
1278 check_cmd $pkg_config --exists --print-errors $pkg_version || return
1279 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1280 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1281 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1283 set_safe "${pkg}_cflags" $pkg_cflags &&
1284 set_safe "${pkg}_extralibs" $pkg_libs
1288 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1292 log check_exec_crash "$@"
1295 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1296 # are safe but may not be available everywhere. Thus we use
1297 # raise(SIGTERM) instead. The check is run in a subshell so we
1298 # can redirect the "Terminated" message from the shell. SIGBUS
1299 # is not defined by standard C so it is used conditionally.
1301 (check_exec "$@") >> $logfile 2>&1 <<EOF
1303 static void sighandler(int sig){
1309 int (*func_ptr)(void) = foo;
1311 signal(SIGILL, sighandler);
1312 signal(SIGFPE, sighandler);
1313 signal(SIGSEGV, sighandler);
1315 signal(SIGBUS, sighandler);
1327 disable_safe "$type"
1328 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1332 log check_struct "$@"
1337 disable_safe "${struct}_${member}"
1338 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1339 enable_safe "${struct}_${member}"
1343 log check_builtin "$@"
1349 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1352 check_compile_assert(){
1353 log check_compile_assert "$@"
1359 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1369 check_lib $name "$headers" $func "$@" || die "ERROR: $name_version not found"
1377 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1384 check_header "$header" "$@" || die "ERROR: $header header not found"
1387 require_cpp_condition(){
1392 check_cpp_condition "$header" "$condition" "$@" || die "ERROR: $condition not satisfied"
1396 log use_pkg_config "$@"
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 log require_pkg_config "$@"
1406 use_pkg_config "$@" || die "ERROR: $pkg_version not found using pkg-config$pkg_config_fail_message"
1410 eval printf '%s\\n' $HOSTCC_E
1414 eval printf '%s\\n' $HOSTCC_O
1418 log check_host_cc "$@"
1421 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1425 log check_host_cpp "$@"
1428 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1431 check_host_cppflags(){
1432 log check_host_cppflags "$@"
1433 check_host_cpp "$@" <<EOF && append host_cppflags "$@"
1438 check_host_cflags(){
1439 log check_host_cflags "$@"
1440 set -- $($host_cflags_filter "$@")
1441 check_host_cc "$@" <<EOF && append host_cflags "$@"
1446 check_host_cpp_condition(){
1447 log check_host_cpp_condition "$@"
1451 check_host_cpp "$@" <<EOF
1454 #error "unsatisfied condition: $condition"
1460 cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1461 mkdir -p "$(dirname $2)"
1465 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1466 # system-dependent things.
1468 AVCODEC_COMPONENTS="
1476 AVDEVICE_COMPONENTS="
1481 AVFILTER_COMPONENTS="
1485 AVFORMAT_COMPONENTS="
1491 AVRESAMPLE_COMPONENTS=""
1493 AVUTIL_COMPONENTS=""
1497 $AVDEVICE_COMPONENTS
1498 $AVFILTER_COMPONENTS
1499 $AVFORMAT_COMPONENTS
1500 $AVRESAMPLE_COMPONENTS
1505 avio_dir_cmd_example
1506 avio_reading_example
1507 decode_audio_example
1508 decode_video_example
1509 demuxing_decoding_example
1510 encode_audio_example
1511 encode_video_example
1513 filter_audio_example
1514 filtering_audio_example
1515 filtering_video_example
1516 http_multiclient_example
1522 resampling_audio_example
1523 scaling_video_example
1524 transcode_aac_example
1528 EXTERNAL_AUTODETECT_LIBRARY_LIST="
1549 EXTERNAL_LIBRARY_GPL_LIST="
1561 EXTERNAL_LIBRARY_NONFREE_LIST="
1568 EXTERNAL_LIBRARY_VERSION3_LIST="
1576 EXTERNAL_LIBRARY_GPLV3_LIST="
1580 EXTERNAL_LIBRARY_LIST="
1581 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1582 $EXTERNAL_LIBRARY_GPL_LIST
1583 $EXTERNAL_LIBRARY_NONFREE_LIST
1584 $EXTERNAL_LIBRARY_VERSION3_LIST
1585 $EXTERNAL_LIBRARY_GPLV3_LIST
1643 HWACCEL_AUTODETECT_LIBRARY_LIST="
1659 HWACCEL_LIBRARY_NONFREE_LIST="
1664 HWACCEL_LIBRARY_LIST="
1665 $HWACCEL_AUTODETECT_LIBRARY_LIST
1666 $HWACCEL_LIBRARY_NONFREE_LIST
1686 safe_bitstream_reader
1733 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1737 $EXTERNAL_LIBRARY_LIST
1738 $HWACCEL_LIBRARY_LIST
1770 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1771 $HWACCEL_AUTODETECT_LIBRARY_LIST
1813 ARCH_EXT_LIST_MIPS="
1825 ARCH_EXT_LIST_LOONGSON="
1831 ARCH_EXT_LIST_X86_SIMD="
1860 $ARCH_EXT_LIST_X86_SIMD
1870 $ARCH_EXT_LIST_LOONGSON
1893 sync_val_compare_and_swap
1911 cdio_paranoia_paranoia_h
1915 dev_bktr_ioctl_bt848_h
1916 dev_bktr_ioctl_meteor_h
1918 dev_video_bktr_ioctl_bt848_h
1919 dev_video_meteor_ioctl_meteor_h
1929 machine_ioctl_bt848_h
1930 machine_ioctl_meteor_h
1932 opencv2_core_core_c_h
1933 openjpeg_2_2_openjpeg_h
1934 openjpeg_2_1_openjpeg_h
1935 openjpeg_2_0_openjpeg_h
1936 openjpeg_1_5_openjpeg_h
2014 GetProcessAffinityMask
2015 GetProcessMemoryInfo
2018 GetSystemTimeAsFileTime
2025 jack_port_get_latency_range
2042 SetConsoleTextAttribute
2043 SetConsoleCtrlHandler
2051 UTGetOSTypeFromString
2056 TOOLCHAIN_FEATURES="
2070 inline_asm_direct_symbol_refs
2072 inline_asm_nonlocal_labels
2083 CONDITION_VARIABLE_Ptr
2084 kCMVideoCodecType_HEVC
2087 struct_group_source_req
2088 struct_ip_mreq_source
2090 struct_msghdr_msg_flags
2092 struct_rusage_ru_maxrss
2093 struct_sctp_event_subscribe
2095 struct_sockaddr_sa_len
2096 struct_sockaddr_storage
2097 struct_stat_st_mtim_tv_nsec
2098 struct_v4l2_frmivalenum_discrete
2103 $(add_suffix _external $ARCH_EXT_LIST)
2104 $(add_suffix _inline $ARCH_EXT_LIST)
2123 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
2136 # options emitted with CONFIG_ prefix but not available on the command line
2153 frame_thread_encoder
2307 # code dependency declarations
2309 # architecture extensions
2314 armv8_deps="aarch64"
2315 neon_deps_any="aarch64 arm"
2316 intrinsics_neon_deps="neon"
2317 vfp_deps_any="aarch64 arm"
2321 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2323 loongson2_deps="mips"
2324 loongson3_deps="mips"
2327 mipsdspr2_deps="mips"
2328 mips32r2_deps="mips"
2329 mips32r5_deps="mips"
2330 mips32r6_deps="mips"
2331 mips64r2_deps="mips"
2332 mips64r6_deps="mips"
2344 x86_64_select="i686"
2345 x86_64_suggest="fast_cmov"
2348 amd3dnowext_deps="amd3dnow"
2365 mmx_external_deps="x86asm"
2366 mmx_inline_deps="inline_asm"
2367 mmx_suggest="mmx_external mmx_inline"
2369 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2370 eval dep=\$${ext}_deps
2371 eval ${ext}_external_deps='"${dep}_external"'
2372 eval ${ext}_inline_deps='"${dep}_inline"'
2373 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2376 aligned_stack_if_any="aarch64 ppc x86"
2377 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2378 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2379 fast_unaligned_if_any="aarch64 ppc x86"
2380 simd_align_16_if_any="altivec neon sse"
2381 simd_align_32_if_any="avx"
2383 # system capabilities
2384 symver_if_any="symver_asm_label symver_gnu_asm"
2385 valgrind_backtrace_conflict="optimizations"
2386 valgrind_backtrace_deps="valgrind_valgrind_h"
2389 atomics_gcc_if="sync_val_compare_and_swap"
2390 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2391 atomics_win32_if="MemoryBarrier"
2392 atomics_native_if_any="$ATOMICS_LIST"
2393 w32threads_deps="atomics_native"
2394 threads_if_any="$THREADS_LIST"
2398 dirac_parse_select="golomb"
2399 error_resilience_select="me_cmp"
2400 faandct_deps="faan fdctdsp"
2401 faanidct_deps="faan idctdsp"
2402 h264dsp_select="startcode"
2403 hevcparse_select="golomb"
2404 frame_thread_encoder_deps="encoders threads"
2405 intrax8_select="blockdsp idctdsp"
2408 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2409 mpeg_er_select="error_resilience"
2410 mpegaudio_select="mpegaudiodsp mpegaudioheader"
2411 mpegaudiodsp_select="dct"
2412 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2413 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2414 vc1dsp_select="h264chroma qpeldsp startcode"
2417 # decoders / encoders
2418 aac_decoder_select="mdct15 mdct sinewin"
2419 aac_fixed_decoder_select="mdct sinewin"
2420 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2421 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2422 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2423 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2424 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2425 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2426 adpcm_g722_decoder_select="g722dsp"
2427 adpcm_g722_encoder_select="g722dsp"
2428 aic_decoder_select="golomb idctdsp"
2429 alac_encoder_select="lpc"
2430 als_decoder_select="bswapdsp"
2431 amrnb_decoder_select="lsp"
2432 amrwb_decoder_select="lsp"
2433 amv_decoder_select="sp5x_decoder exif"
2434 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2435 ape_decoder_select="bswapdsp llauddsp"
2436 apng_decoder_select="zlib"
2437 apng_encoder_select="llvidencdsp zlib"
2438 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2439 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2440 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2441 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2442 atrac1_decoder_select="mdct sinewin"
2443 atrac3_decoder_select="mdct"
2444 atrac3p_decoder_select="mdct sinewin"
2445 avrn_decoder_select="exif jpegtables"
2446 bink_decoder_select="blockdsp hpeldsp"
2447 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2448 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2449 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2450 clearvideo_decoder_select="idctdsp"
2451 cllc_decoder_select="bswapdsp"
2452 comfortnoise_encoder_select="lpc"
2453 cook_decoder_select="audiodsp mdct sinewin"
2454 cscd_decoder_select="lzo"
2455 cscd_decoder_suggest="zlib"
2456 dca_decoder_select="mdct"
2457 dds_decoder_select="texturedsp"
2458 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2459 dnxhd_decoder_select="blockdsp idctdsp"
2460 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2461 dolby_e_decoder_select="mdct"
2462 dvvideo_decoder_select="dvprofile idctdsp"
2463 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2464 dxa_decoder_select="zlib"
2465 dxv_decoder_select="lzf texturedsp"
2466 eac3_decoder_select="ac3_decoder"
2467 eac3_encoder_select="ac3_encoder"
2468 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2469 eatgq_decoder_select="aandcttables"
2470 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2471 exr_decoder_select="zlib"
2472 ffv1_decoder_select="rangecoder"
2473 ffv1_encoder_select="rangecoder"
2474 ffvhuff_decoder_select="huffyuv_decoder"
2475 ffvhuff_encoder_select="huffyuv_encoder"
2476 fic_decoder_select="golomb"
2477 flac_decoder_select="flacdsp"
2478 flac_encoder_select="bswapdsp flacdsp lpc"
2479 flashsv2_decoder_select="zlib"
2480 flashsv2_encoder_select="zlib"
2481 flashsv_decoder_select="zlib"
2482 flashsv_encoder_select="zlib"
2483 flv_decoder_select="h263_decoder"
2484 flv_encoder_select="h263_encoder"
2485 fourxm_decoder_select="blockdsp bswapdsp"
2486 fraps_decoder_select="bswapdsp huffman"
2487 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2488 g729_decoder_select="audiodsp"
2489 h261_decoder_select="mpegvideo"
2490 h261_encoder_select="aandcttables mpegvideoenc"
2491 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2492 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2493 h263i_decoder_select="h263_decoder"
2494 h263p_decoder_select="h263_decoder"
2495 h263p_encoder_select="h263_encoder"
2496 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2497 h264_decoder_suggest="error_resilience"
2498 hap_decoder_select="snappy texturedsp"
2499 hap_encoder_deps="libsnappy"
2500 hap_encoder_select="texturedspenc"
2501 hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"
2502 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2503 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"
2504 iac_decoder_select="imc_decoder"
2505 imc_decoder_select="bswapdsp fft mdct sinewin"
2506 indeo3_decoder_select="hpeldsp"
2507 indeo4_decoder_select="ividsp"
2508 indeo5_decoder_select="ividsp"
2509 interplay_video_decoder_select="hpeldsp"
2510 jpegls_decoder_select="mjpeg_decoder"
2511 jv_decoder_select="blockdsp"
2512 lagarith_decoder_select="llviddsp"
2513 ljpeg_encoder_select="aandcttables idctdsp jpegtables mpegvideoenc"
2514 magicyuv_decoder_select="llviddsp"
2515 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2516 metasound_decoder_select="lsp mdct sinewin"
2517 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2518 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2519 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2520 mjpegb_decoder_select="mjpeg_decoder"
2521 mlp_decoder_select="mlp_parser"
2522 mlp_encoder_select="lpc"
2523 motionpixels_decoder_select="bswapdsp"
2524 mp1_decoder_select="mpegaudio"
2525 mp1float_decoder_select="mpegaudio"
2526 mp2_decoder_select="mpegaudio"
2527 mp2float_decoder_select="mpegaudio"
2528 mp3_decoder_select="mpegaudio"
2529 mp3adu_decoder_select="mpegaudio"
2530 mp3adufloat_decoder_select="mpegaudio"
2531 mp3float_decoder_select="mpegaudio"
2532 mp3on4_decoder_select="mpegaudio"
2533 mp3on4float_decoder_select="mpegaudio"
2534 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2535 mpc8_decoder_select="mpegaudiodsp"
2536 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2537 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2538 mpegvideo_decoder_select="mpegvideo"
2539 mpeg1video_decoder_select="mpegvideo"
2540 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2541 mpeg2video_decoder_select="mpegvideo"
2542 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2543 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2544 mpeg4_encoder_select="h263_encoder"
2545 msa1_decoder_select="mss34dsp"
2546 mscc_decoder_select="zlib"
2547 msmpeg4v1_decoder_select="h263_decoder"
2548 msmpeg4v2_decoder_select="h263_decoder"
2549 msmpeg4v2_encoder_select="h263_encoder"
2550 msmpeg4v3_decoder_select="h263_decoder"
2551 msmpeg4v3_encoder_select="h263_encoder"
2552 mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"
2553 mts2_decoder_select="mss34dsp"
2554 mxpeg_decoder_select="mjpeg_decoder"
2555 nellymoser_decoder_select="mdct sinewin"
2556 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2557 nuv_decoder_select="idctdsp lzo"
2558 on2avc_decoder_select="mdct"
2559 opus_decoder_deps="swresample"
2560 opus_decoder_select="mdct15"
2561 opus_encoder_select="audio_frame_queue mdct15"
2562 png_decoder_select="zlib"
2563 png_encoder_select="llvidencdsp zlib"
2564 prores_decoder_select="blockdsp idctdsp"
2565 prores_encoder_select="fdctdsp"
2566 qcelp_decoder_select="lsp"
2567 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2568 ra_144_decoder_select="audiodsp"
2569 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2570 ralf_decoder_select="golomb"
2571 rawvideo_decoder_select="bswapdsp"
2572 rscc_decoder_select="zlib"
2573 rtjpeg_decoder_select="me_cmp"
2574 rv10_decoder_select="h263_decoder"
2575 rv10_encoder_select="h263_encoder"
2576 rv20_decoder_select="h263_decoder"
2577 rv20_encoder_select="h263_encoder"
2578 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2579 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2580 screenpresso_decoder_select="zlib"
2581 shorten_decoder_select="bswapdsp"
2582 sipr_decoder_select="lsp"
2583 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2584 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2585 sonic_decoder_select="golomb rangecoder"
2586 sonic_encoder_select="golomb rangecoder"
2587 sonic_ls_encoder_select="golomb rangecoder"
2588 sp5x_decoder_select="mjpeg_decoder"
2589 srgc_decoder_select="zlib"
2590 svq1_decoder_select="hpeldsp"
2591 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2592 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2593 svq3_decoder_suggest="zlib"
2594 tak_decoder_select="audiodsp"
2595 tdsc_decoder_select="zlib mjpeg_decoder"
2596 theora_decoder_select="vp3_decoder"
2597 thp_decoder_select="mjpeg_decoder"
2598 tiff_decoder_suggest="zlib lzma"
2599 tiff_encoder_suggest="zlib"
2600 truehd_decoder_select="mlp_parser"
2601 truehd_encoder_select="lpc"
2602 truemotion2_decoder_select="bswapdsp"
2603 truespeech_decoder_select="bswapdsp"
2604 tscc_decoder_select="zlib"
2605 twinvq_decoder_select="mdct lsp sinewin"
2606 txd_decoder_select="texturedsp"
2607 utvideo_decoder_select="bswapdsp llviddsp"
2608 utvideo_encoder_select="bswapdsp huffman llvidencdsp"
2609 vble_decoder_select="llviddsp"
2610 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2611 vc1_qsv_decoder_deps="libmfx"
2612 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel vc1_parser"
2613 vc1image_decoder_select="vc1_decoder"
2614 vorbis_decoder_select="mdct"
2615 vorbis_encoder_select="mdct"
2616 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2617 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2618 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2619 vp6a_decoder_select="vp6_decoder"
2620 vp6f_decoder_select="vp6_decoder"
2621 vp7_decoder_select="h264pred videodsp vp8dsp"
2622 vp8_decoder_select="h264pred videodsp vp8dsp"
2623 vp9_decoder_select="videodsp vp9_parser"
2624 webp_decoder_select="vp8_decoder exif"
2625 wmalossless_decoder_select="llauddsp"
2626 wmapro_decoder_select="mdct sinewin wma_freqs"
2627 wmav1_decoder_select="mdct sinewin wma_freqs"
2628 wmav1_encoder_select="mdct sinewin wma_freqs"
2629 wmav2_decoder_select="mdct sinewin wma_freqs"
2630 wmav2_encoder_select="mdct sinewin wma_freqs"
2631 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2632 wmv1_decoder_select="h263_decoder"
2633 wmv1_encoder_select="h263_encoder"
2634 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2635 wmv2_encoder_select="h263_encoder wmv2dsp"
2636 wmv3_decoder_select="vc1_decoder"
2637 wmv3image_decoder_select="wmv3_decoder"
2638 xma1_decoder_select="wmapro_decoder"
2639 xma2_decoder_select="wmapro_decoder"
2640 zerocodec_decoder_select="zlib"
2641 zlib_decoder_select="zlib"
2642 zlib_encoder_select="zlib"
2643 zmbv_decoder_select="zlib"
2644 zmbv_encoder_select="zlib"
2646 # hardware accelerators
2647 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2648 cuda_deps_any="dlopen LoadLibrary"
2650 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2651 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32"
2652 dxva2_extralibs="-luser32"
2653 vda_framework_deps="VideoDecodeAcceleration_VDADecoder_h blocks_extension"
2654 vda_framework_extralibs="-framework VideoDecodeAcceleration"
2655 vda_deps="vda_framework pthreads"
2656 vda_extralibs="-framework CoreFoundation -framework QuartzCore"
2657 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2658 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2659 xvmc_deps="X11_extensions_XvMClib_h"
2661 h263_vaapi_hwaccel_deps="vaapi"
2662 h263_vaapi_hwaccel_select="h263_decoder"
2663 h263_videotoolbox_hwaccel_deps="videotoolbox"
2664 h263_videotoolbox_hwaccel_select="h263_decoder"
2665 h264_cuvid_hwaccel_deps="cuda cuvid"
2666 h264_cuvid_hwaccel_select="h264_cuvid_decoder"
2667 h264_d3d11va_hwaccel_deps="d3d11va"
2668 h264_d3d11va_hwaccel_select="h264_decoder"
2669 h264_d3d11va2_hwaccel_deps="d3d11va"
2670 h264_d3d11va2_hwaccel_select="h264_decoder"
2671 h264_dxva2_hwaccel_deps="dxva2"
2672 h264_dxva2_hwaccel_select="h264_decoder"
2673 h264_mediacodec_hwaccel_deps="mediacodec"
2674 h264_mmal_hwaccel_deps="mmal"
2675 h264_qsv_hwaccel_deps="libmfx"
2676 h264_vaapi_hwaccel_deps="vaapi"
2677 h264_vaapi_hwaccel_select="h264_decoder"
2678 h264_vda_hwaccel_deps="vda"
2679 h264_vda_hwaccel_select="h264_decoder"
2680 h264_vda_old_hwaccel_deps="vda"
2681 h264_vda_old_hwaccel_select="h264_decoder"
2682 h264_vdpau_hwaccel_deps="vdpau"
2683 h264_vdpau_hwaccel_select="h264_decoder"
2684 h264_videotoolbox_hwaccel_deps="videotoolbox"
2685 h264_videotoolbox_hwaccel_select="h264_decoder"
2686 hevc_cuvid_hwaccel_deps="cuda cuvid"
2687 hevc_cuvid_hwaccel_select="hevc_cuvid_decoder"
2688 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2689 hevc_d3d11va_hwaccel_select="hevc_decoder"
2690 hevc_mediacodec_hwaccel_deps="mediacodec"
2691 hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2692 hevc_d3d11va2_hwaccel_select="hevc_decoder"
2693 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2694 hevc_dxva2_hwaccel_select="hevc_decoder"
2695 hevc_qsv_hwaccel_deps="libmfx"
2696 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2697 hevc_vaapi_hwaccel_select="hevc_decoder"
2698 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2699 hevc_vdpau_hwaccel_select="hevc_decoder"
2700 hevc_videotoolbox_hwaccel_deps="videotoolbox"
2701 hevc_videotoolbox_hwaccel_select="hevc_decoder"
2702 mjpeg_cuvid_hwaccel_deps="cuda cuvid"
2703 mjpeg_cuvid_hwaccel_select="mjpeg_cuvid_decoder"
2704 mpeg_xvmc_hwaccel_deps="xvmc"
2705 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2706 mpeg1_cuvid_hwaccel_deps="cuda cuvid"
2707 mpeg1_cuvid_hwaccel_select="mpeg1_cuvid_decoder"
2708 mpeg1_vdpau_hwaccel_deps="vdpau"
2709 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2710 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2711 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2712 mpeg1_xvmc_hwaccel_deps="xvmc"
2713 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2714 mpeg2_cuvid_hwaccel_deps="cuda cuvid"
2715 mpeg2_cuvid_hwaccel_select="mpeg2_cuvid_decoder"
2716 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2717 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2718 mpeg2_d3d11va2_hwaccel_deps="d3d11va"
2719 mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"
2720 mpeg2_dxva2_hwaccel_deps="dxva2"
2721 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2722 mpeg2_mediacodec_hwaccel_deps="mediacodec"
2723 mpeg2_mmal_hwaccel_deps="mmal"
2724 mpeg2_qsv_hwaccel_deps="libmfx"
2725 mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"
2726 mpeg2_vaapi_hwaccel_deps="vaapi"
2727 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2728 mpeg2_vdpau_hwaccel_deps="vdpau"
2729 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2730 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2731 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2732 mpeg2_xvmc_hwaccel_deps="xvmc"
2733 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2734 mpeg4_cuvid_hwaccel_deps="cuda cuvid"
2735 mpeg4_cuvid_hwaccel_select="mpeg4_cuvid_decoder"
2736 mpeg4_mediacodec_hwaccel_deps="mediacodec"
2737 mpeg4_mmal_hwaccel_deps="mmal"
2738 mpeg4_vaapi_hwaccel_deps="vaapi"
2739 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2740 mpeg4_vdpau_hwaccel_deps="vdpau"
2741 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2742 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2743 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2744 vc1_cuvid_hwaccel_deps="cuda cuvid"
2745 vc1_cuvid_hwaccel_select="vc1_cuvid_decoder"
2746 vc1_d3d11va_hwaccel_deps="d3d11va"
2747 vc1_d3d11va_hwaccel_select="vc1_decoder"
2748 vc1_d3d11va2_hwaccel_deps="d3d11va"
2749 vc1_d3d11va2_hwaccel_select="vc1_decoder"
2750 vc1_dxva2_hwaccel_deps="dxva2"
2751 vc1_dxva2_hwaccel_select="vc1_decoder"
2752 vc1_mmal_hwaccel_deps="mmal"
2753 vc1_qsv_hwaccel_deps="libmfx"
2754 vc1_qsv_hwaccel_select="qsvdec_vc1"
2755 vc1_vaapi_hwaccel_deps="vaapi"
2756 vc1_vaapi_hwaccel_select="vc1_decoder"
2757 vc1_vdpau_hwaccel_deps="vdpau"
2758 vc1_vdpau_hwaccel_select="vc1_decoder"
2759 vp8_cuvid_hwaccel_deps="cuda cuvid"
2760 vp8_cuvid_hwaccel_select="vp8_cuvid_decoder"
2761 vp9_cuvid_hwaccel_deps="cuda cuvid"
2762 vp9_cuvid_hwaccel_select="vp9_cuvid_decoder"
2763 vp8_mediacodec_hwaccel_deps="mediacodec"
2764 vp8_qsv_hwaccel_deps="libmfx"
2765 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2766 vp9_d3d11va_hwaccel_select="vp9_decoder"
2767 vp9_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2768 vp9_d3d11va2_hwaccel_select="vp9_decoder"
2769 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2770 vp9_dxva2_hwaccel_select="vp9_decoder"
2771 vp9_mediacodec_hwaccel_deps="mediacodec"
2772 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"
2773 vp9_vaapi_hwaccel_select="vp9_decoder"
2774 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2775 wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"
2776 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2777 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2778 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2780 # hardware-accelerated codecs
2781 omx_deps="dlopen pthreads"
2782 omx_extralibs='$ldl'
2783 omx_rpi_select="omx"
2786 vaapi_encode_deps="vaapi"
2787 v4l2_m2m_deps_any="linux_videodev2_h"
2789 hwupload_cuda_filter_deps="cuda"
2790 scale_npp_filter_deps="cuda libnpp"
2791 scale_cuda_filter_deps="cuda_sdk"
2792 thumbnail_cuda_filter_deps="cuda_sdk"
2795 nvenc_deps_any="dlopen LoadLibrary"
2796 nvenc_encoder_deps="nvenc"
2798 h263_v4l2m2m_decoder_deps="v4l2_m2m h263_v4l2_m2m"
2799 h263_v4l2m2m_encoder_deps="v4l2_m2m h263_v4l2_m2m"
2800 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2801 h264_cuvid_decoder_deps="cuda cuvid"
2802 h264_cuvid_decoder_select="h264_mp4toannexb_bsf"
2803 h264_mediacodec_decoder_deps="mediacodec"
2804 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2805 h264_mmal_decoder_deps="mmal"
2806 h264_nvenc_encoder_deps="nvenc"
2807 h264_omx_encoder_deps="omx"
2808 h264_qsv_decoder_deps="libmfx"
2809 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2810 h264_qsv_encoder_deps="libmfx"
2811 h264_qsv_encoder_select="qsvenc"
2812 h264_rkmpp_decoder_deps="rkmpp"
2813 h264_rkmpp_decoder_select="h264_mp4toannexb_bsf"
2814 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2815 h264_vaapi_encoder_select="vaapi_encode golomb"
2816 h264_vda_decoder_deps="vda"
2817 h264_vda_decoder_select="h264_decoder"
2818 h264_vdpau_decoder_deps="vdpau"
2819 h264_vdpau_decoder_select="h264_decoder"
2820 h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m"
2821 h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"
2822 hevc_cuvid_decoder_deps="cuda cuvid"
2823 hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"
2824 hevc_mediacodec_decoder_deps="mediacodec"
2825 hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"
2826 hevc_nvenc_encoder_deps="nvenc"
2827 hevc_qsv_decoder_deps="libmfx"
2828 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
2829 hevc_qsv_encoder_deps="libmfx"
2830 hevc_qsv_encoder_select="hevcparse qsvenc"
2831 hevc_rkmpp_decoder_deps="rkmpp"
2832 hevc_rkmpp_decoder_select="hevc_mp4toannexb_bsf"
2833 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2834 hevc_vaapi_encoder_select="vaapi_encode golomb"
2835 hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"
2836 hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"
2837 mjpeg_cuvid_decoder_deps="cuda cuvid"
2838 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2839 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2840 mpeg1_cuvid_decoder_deps="cuda cuvid"
2841 mpeg1_vdpau_decoder_deps="vdpau"
2842 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2843 mpeg1_v4l2m2m_decoder_deps="v4l2_m2m mpeg1_v4l2_m2m"
2844 mpeg2_crystalhd_decoder_select="crystalhd"
2845 mpeg2_cuvid_decoder_deps="cuda cuvid"
2846 mpeg2_mmal_decoder_deps="mmal"
2847 mpeg2_mediacodec_decoder_deps="mediacodec"
2848 mpeg2_qsv_decoder_deps="libmfx"
2849 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
2850 mpeg2_qsv_encoder_deps="libmfx"
2851 mpeg2_qsv_encoder_select="qsvenc"
2852 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2853 mpeg2_vaapi_encoder_select="vaapi_encode"
2854 mpeg2_v4l2m2m_decoder_deps="v4l2_m2m mpeg2_v4l2_m2m"
2855 mpeg4_crystalhd_decoder_select="crystalhd"
2856 mpeg4_cuvid_decoder_deps="cuda cuvid"
2857 mpeg4_mediacodec_decoder_deps="mediacodec"
2858 mpeg4_mmal_decoder_deps="mmal"
2859 mpeg4_omx_encoder_deps="omx"
2860 mpeg4_vdpau_decoder_deps="vdpau"
2861 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2862 mpeg4_v4l2m2m_decoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2863 mpeg4_v4l2m2m_encoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2864 mpeg_vdpau_decoder_deps="vdpau"
2865 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2866 msmpeg4_crystalhd_decoder_select="crystalhd"
2867 nvenc_h264_encoder_select="h264_nvenc_encoder"
2868 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2869 vc1_crystalhd_decoder_select="crystalhd"
2870 vc1_cuvid_decoder_deps="cuda cuvid"
2871 vc1_mmal_decoder_deps="mmal"
2872 vc1_vdpau_decoder_deps="vdpau"
2873 vc1_vdpau_decoder_select="vc1_decoder"
2874 vc1_v4l2m2m_decoder_deps="v4l2_m2m vc1_v4l2_m2m"
2875 vp8_cuvid_decoder_deps="cuda cuvid"
2876 vp8_mediacodec_decoder_deps="mediacodec"
2877 vp8_qsv_decoder_deps="libmfx"
2878 vp8_qsv_decoder_select="qsvdec vp8_qsv_hwaccel vp8_parser"
2879 vp8_rkmpp_decoder_deps="rkmpp"
2880 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2881 vp8_vaapi_encoder_select="vaapi_encode"
2882 vp8_v4l2m2m_decoder_deps="v4l2_m2m vp8_v4l2_m2m"
2883 vp8_v4l2m2m_encoder_deps="v4l2_m2m vp8_v4l2_m2m"
2884 vp9_cuvid_decoder_deps="cuda cuvid"
2885 vp9_mediacodec_decoder_deps="mediacodec"
2886 vp9_rkmpp_decoder_deps="rkmpp"
2887 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
2888 vp9_vaapi_encoder_select="vaapi_encode"
2889 vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m"
2890 wmv3_crystalhd_decoder_select="crystalhd"
2891 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2894 h264_parser_select="golomb h264dsp h264parse"
2895 hevc_parser_select="hevcparse"
2896 mpegaudio_parser_select="mpegaudioheader"
2897 mpegvideo_parser_select="mpegvideo"
2898 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2899 vc1_parser_select="vc1dsp"
2902 mjpeg2jpeg_bsf_select="jpegtables"
2904 # external libraries
2905 aac_at_decoder_deps="audiotoolbox"
2906 ac3_at_decoder_deps="audiotoolbox"
2907 ac3_at_decoder_select="ac3_parser"
2908 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
2909 alac_at_decoder_deps="audiotoolbox"
2910 amr_nb_at_decoder_deps="audiotoolbox"
2911 avisynth_deps_any="dlopen LoadLibrary"
2912 avisynth_demuxer_deps="avisynth"
2913 avisynth_demuxer_select="riffdec"
2914 eac3_at_decoder_deps="audiotoolbox"
2915 eac3_at_decoder_select="ac3_parser"
2916 gsm_ms_at_decoder_deps="audiotoolbox"
2917 ilbc_at_decoder_deps="audiotoolbox"
2918 mp1_at_decoder_deps="audiotoolbox"
2919 mp2_at_decoder_deps="audiotoolbox"
2920 mp3_at_decoder_deps="audiotoolbox"
2921 mp1_at_decoder_select="mpegaudioheader"
2922 mp2_at_decoder_select="mpegaudioheader"
2923 mp3_at_decoder_select="mpegaudioheader"
2924 pcm_alaw_at_decoder_deps="audiotoolbox"
2925 pcm_mulaw_at_decoder_deps="audiotoolbox"
2926 qdmc_at_decoder_deps="audiotoolbox"
2927 qdm2_at_decoder_deps="audiotoolbox"
2928 aac_at_encoder_deps="audiotoolbox"
2929 aac_at_encoder_select="audio_frame_queue"
2930 alac_at_encoder_deps="audiotoolbox"
2931 alac_at_encoder_select="audio_frame_queue"
2932 ilbc_at_encoder_deps="audiotoolbox"
2933 ilbc_at_encoder_select="audio_frame_queue"
2934 pcm_alaw_at_encoder_deps="audiotoolbox"
2935 pcm_alaw_at_encoder_select="audio_frame_queue"
2936 pcm_mulaw_at_encoder_deps="audiotoolbox"
2937 pcm_mulaw_at_encoder_select="audio_frame_queue"
2938 chromaprint_muxer_deps="chromaprint"
2939 h264_videotoolbox_encoder_deps="videotoolbox_encoder pthreads"
2940 libcelt_decoder_deps="libcelt"
2941 libfdk_aac_decoder_deps="libfdk_aac"
2942 libfdk_aac_encoder_deps="libfdk_aac"
2943 libfdk_aac_encoder_select="audio_frame_queue"
2944 libgme_demuxer_deps="libgme"
2945 libgsm_decoder_deps="libgsm"
2946 libgsm_encoder_deps="libgsm"
2947 libgsm_ms_decoder_deps="libgsm"
2948 libgsm_ms_encoder_deps="libgsm"
2949 libilbc_decoder_deps="libilbc"
2950 libilbc_encoder_deps="libilbc"
2951 libkvazaar_encoder_deps="libkvazaar"
2952 libmodplug_demuxer_deps="libmodplug"
2953 libmp3lame_encoder_deps="libmp3lame"
2954 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
2955 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2956 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2957 libopencore_amrnb_encoder_select="audio_frame_queue"
2958 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2959 libopenh264_decoder_deps="libopenh264"
2960 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2961 libopenh264_encoder_deps="libopenh264"
2962 libopenjpeg_decoder_deps="libopenjpeg"
2963 libopenjpeg_encoder_deps="libopenjpeg"
2964 libopenmpt_demuxer_deps="libopenmpt"
2965 libopus_decoder_deps="libopus"
2966 libopus_encoder_deps="libopus"
2967 libopus_encoder_select="audio_frame_queue"
2968 librsvg_decoder_deps="librsvg"
2969 libshine_encoder_deps="libshine"
2970 libshine_encoder_select="audio_frame_queue"
2971 libspeex_decoder_deps="libspeex"
2972 libspeex_encoder_deps="libspeex"
2973 libspeex_encoder_select="audio_frame_queue"
2974 libtheora_encoder_deps="libtheora"
2975 libtwolame_encoder_deps="libtwolame"
2976 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2977 libvorbis_decoder_deps="libvorbis"
2978 libvorbis_encoder_deps="libvorbis"
2979 libvorbis_encoder_select="audio_frame_queue"
2980 libvpx_vp8_decoder_deps="libvpx"
2981 libvpx_vp8_encoder_deps="libvpx"
2982 libvpx_vp9_decoder_deps="libvpx"
2983 libvpx_vp9_encoder_deps="libvpx"
2984 libwavpack_encoder_deps="libwavpack"
2985 libwavpack_encoder_select="audio_frame_queue"
2986 libwebp_encoder_deps="libwebp"
2987 libwebp_anim_encoder_deps="libwebp"
2988 libx262_encoder_deps="libx262"
2989 libx264_encoder_deps="libx264"
2990 libx264rgb_encoder_deps="libx264 x264_csp_bgr"
2991 libx264rgb_encoder_select="libx264_encoder"
2992 libx265_encoder_deps="libx265"
2993 libxavs_encoder_deps="libxavs"
2994 libxvid_encoder_deps="libxvid"
2995 libzvbi_teletext_decoder_deps="libzvbi"
2996 videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework CoreVideo"
2997 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
2998 videotoolbox_encoder_suggest="vda_framework"
3001 ac3_demuxer_select="ac3_parser"
3002 aiff_muxer_select="iso_media"
3003 asf_demuxer_select="riffdec"
3004 asf_o_demuxer_select="riffdec"
3005 asf_muxer_select="riffenc"
3006 asf_stream_muxer_select="asf_muxer"
3007 avi_demuxer_select="iso_media riffdec exif"
3008 avi_muxer_select="riffenc"
3009 caf_demuxer_select="iso_media riffdec"
3010 caf_muxer_select="iso_media"
3011 dash_muxer_select="mp4_muxer"
3012 dash_demuxer_deps="libxml2"
3013 dirac_demuxer_select="dirac_parser"
3014 dts_demuxer_select="dca_parser"
3015 dtshd_demuxer_select="dca_parser"
3016 dv_demuxer_select="dvprofile"
3017 dv_muxer_select="dvprofile"
3018 dxa_demuxer_select="riffdec"
3019 eac3_demuxer_select="ac3_parser"
3020 f4v_muxer_select="mov_muxer"
3021 fifo_muxer_deps="threads"
3022 flac_demuxer_select="flac_parser"
3023 hds_muxer_select="flv_muxer"
3024 hls_muxer_select="mpegts_muxer"
3025 image2_alias_pix_demuxer_select="image2_demuxer"
3026 image2_brender_pix_demuxer_select="image2_demuxer"
3027 ipod_muxer_select="mov_muxer"
3028 ismv_muxer_select="mov_muxer"
3029 matroska_audio_muxer_select="matroska_muxer"
3030 matroska_demuxer_select="iso_media riffdec"
3031 matroska_demuxer_suggest="bzlib lzo zlib"
3032 matroska_muxer_select="iso_media riffenc"
3033 mmf_muxer_select="riffenc"
3034 mov_demuxer_select="iso_media riffdec"
3035 mov_demuxer_suggest="zlib"
3036 mov_muxer_select="iso_media riffenc rtpenc_chain"
3037 mp3_demuxer_select="mpegaudio_parser"
3038 mp3_muxer_select="mpegaudioheader"
3039 mp4_muxer_select="mov_muxer"
3040 mpegts_demuxer_select="iso_media"
3041 mpegts_muxer_select="adts_muxer latm_muxer"
3042 mpegtsraw_demuxer_select="mpegts_demuxer"
3043 mxf_d10_muxer_select="mxf_muxer"
3044 mxf_opatom_muxer_select="mxf_muxer"
3045 nut_muxer_select="riffenc"
3046 nuv_demuxer_select="riffdec"
3047 oga_muxer_select="ogg_muxer"
3048 ogg_demuxer_select="dirac_parse"
3049 ogv_muxer_select="ogg_muxer"
3050 opus_muxer_select="ogg_muxer"
3051 psp_muxer_select="mov_muxer"
3052 rtp_demuxer_select="sdp_demuxer"
3053 rtp_muxer_select="golomb"
3054 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
3055 rtsp_demuxer_select="http_protocol rtpdec"
3056 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
3057 sap_demuxer_select="sdp_demuxer"
3058 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
3059 sdp_demuxer_select="rtpdec"
3060 smoothstreaming_muxer_select="ismv_muxer"
3061 spdif_muxer_select="aac_parser"
3062 spx_muxer_select="ogg_muxer"
3063 swf_demuxer_suggest="zlib"
3064 tak_demuxer_select="tak_parser"
3065 tg2_muxer_select="mov_muxer"
3066 tgp_muxer_select="mov_muxer"
3067 vobsub_demuxer_select="mpegps_demuxer"
3068 w64_demuxer_select="wav_demuxer"
3069 w64_muxer_select="wav_muxer"
3070 wav_demuxer_select="riffdec"
3071 wav_muxer_select="riffenc"
3072 webm_muxer_select="iso_media riffenc"
3073 webm_dash_manifest_demuxer_select="matroska_demuxer"
3074 wtv_demuxer_select="mpegts_demuxer riffdec"
3075 wtv_muxer_select="mpegts_muxer riffenc"
3076 xmv_demuxer_select="riffdec"
3077 xwma_demuxer_select="riffdec"
3080 alsa_indev_deps="alsa"
3081 alsa_outdev_deps="alsa"
3082 avfoundation_indev_deps="avfoundation pthreads"
3083 avfoundation_indev_extralibs="-framework Foundation -framework CoreVideo -framework CoreMedia"
3084 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
3085 caca_outdev_deps="libcaca"
3086 decklink_indev_deps="decklink threads"
3087 decklink_indev_extralibs="-lstdc++"
3088 decklink_outdev_deps="decklink threads"
3089 decklink_outdev_extralibs="-lstdc++"
3090 libndi_newtek_indev_deps="libndi_newtek"
3091 libndi_newtek_indev_extralibs="-lndi"
3092 libndi_newtek_outdev_deps="libndi_newtek"
3093 libndi_newtek_outdev_extralibs="-lndi"
3094 dshow_indev_deps="IBaseFilter"
3095 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
3096 fbdev_indev_deps="linux_fb_h"
3097 fbdev_outdev_deps="linux_fb_h"
3098 gdigrab_indev_deps="CreateDIBSection"
3099 gdigrab_indev_extralibs="-lgdi32"
3100 gdigrab_indev_select="bmp_decoder"
3101 iec61883_indev_deps="libiec61883"
3102 jack_indev_deps="jack"
3103 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
3104 kmsgrab_indev_deps="libdrm"
3105 lavfi_indev_deps="avfilter"
3106 libcdio_indev_deps="libcdio"
3107 libdc1394_indev_deps="libdc1394"
3108 libv4l2_indev_deps="libv4l2"
3109 openal_indev_deps="openal"
3110 opengl_outdev_deps="opengl"
3111 oss_indev_deps_any="soundcard_h sys_soundcard_h"
3112 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
3113 pulse_indev_deps="libpulse"
3114 pulse_outdev_deps="libpulse"
3115 sdl2_outdev_deps="sdl2"
3116 sndio_indev_deps="sndio"
3117 sndio_outdev_deps="sndio"
3118 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
3119 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
3120 vfwcap_indev_deps="vfw32 vfwcap_defines"
3121 xcbgrab_indev_deps="libxcb"
3122 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
3123 xv_outdev_extralibs="-lXv -lX11 -lXext"
3126 async_protocol_deps="threads"
3127 bluray_protocol_deps="libbluray"
3128 ffrtmpcrypt_protocol_conflict="librtmp_protocol"
3129 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
3130 ffrtmpcrypt_protocol_select="tcp_protocol"
3131 ffrtmphttp_protocol_conflict="librtmp_protocol"
3132 ffrtmphttp_protocol_select="http_protocol"
3133 ftp_protocol_select="tcp_protocol"
3134 gopher_protocol_select="network"
3135 http_protocol_select="tcp_protocol"
3136 httpproxy_protocol_select="tcp_protocol"
3137 https_protocol_select="tls_protocol"
3138 icecast_protocol_select="http_protocol"
3139 librtmp_protocol_deps="librtmp"
3140 librtmpe_protocol_deps="librtmp"
3141 librtmps_protocol_deps="librtmp"
3142 librtmpt_protocol_deps="librtmp"
3143 librtmpte_protocol_deps="librtmp"
3144 libsmbclient_protocol_deps="libsmbclient gplv3"
3145 libssh_protocol_deps="libssh"
3146 mmsh_protocol_select="http_protocol"
3147 mmst_protocol_select="network"
3148 rtmp_protocol_conflict="librtmp_protocol"
3149 rtmp_protocol_select="tcp_protocol"
3150 rtmpe_protocol_select="ffrtmpcrypt_protocol"
3151 rtmps_protocol_conflict="librtmp_protocol"
3152 rtmps_protocol_select="tls_protocol"
3153 rtmpt_protocol_select="ffrtmphttp_protocol"
3154 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
3155 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
3156 rtp_protocol_select="udp_protocol"
3157 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
3158 sctp_protocol_select="network"
3159 srtp_protocol_select="rtp_protocol srtp"
3160 tcp_protocol_select="network"
3161 tls_gnutls_protocol_conflict="tls_schannel_protocol tls_securetransport_protocol"
3162 tls_gnutls_protocol_deps="gnutls"
3163 tls_gnutls_protocol_select="tcp_protocol"
3164 tls_openssl_protocol_conflict="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol"
3165 tls_openssl_protocol_deps="openssl"
3166 tls_openssl_protocol_select="tcp_protocol"
3167 tls_schannel_protocol_deps="schannel"
3168 tls_schannel_protocol_select="tcp_protocol"
3169 tls_securetransport_protocol_deps="securetransport"
3170 tls_securetransport_protocol_select="tcp_protocol"
3171 tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
3172 udp_protocol_select="network"
3173 udplite_protocol_select="network"
3174 unix_protocol_deps="sys_un_h"
3175 unix_protocol_select="network"
3178 afftfilt_filter_deps="avcodec"
3179 afftfilt_filter_select="fft"
3180 afir_filter_deps="avcodec"
3181 afir_filter_select="fft"
3182 amovie_filter_deps="avcodec avformat"
3183 aresample_filter_deps="swresample"
3184 ass_filter_deps="libass"
3185 atempo_filter_deps="avcodec"
3186 atempo_filter_select="rdft"
3187 azmq_filter_deps="libzmq"
3188 blackframe_filter_deps="gpl"
3189 boxblur_filter_deps="gpl"
3190 bs2b_filter_deps="libbs2b"
3191 colormatrix_filter_deps="gpl"
3192 coreimage_filter_deps="coreimage appkit"
3193 coreimage_filter_extralibs="-framework OpenGL"
3194 coreimagesrc_filter_deps="coreimage appkit"
3195 coreimagesrc_filter_extralibs="-framework OpenGL"
3196 cover_rect_filter_deps="avcodec avformat gpl"
3197 cropdetect_filter_deps="gpl"
3198 deinterlace_qsv_filter_deps="libmfx"
3199 deinterlace_vaapi_filter_deps="vaapi"
3200 delogo_filter_deps="gpl"
3201 deshake_filter_select="pixelutils"
3202 drawtext_filter_deps="libfreetype"
3203 elbg_filter_deps="avcodec"
3204 eq_filter_deps="gpl"
3205 fftfilt_filter_deps="avcodec"
3206 fftfilt_filter_select="rdft"
3207 find_rect_filter_deps="avcodec avformat gpl"
3208 firequalizer_filter_deps="avcodec"
3209 firequalizer_filter_select="rdft"
3210 flite_filter_deps="libflite"
3211 framerate_filter_select="pixelutils"
3212 frei0r_filter_deps="frei0r dlopen"
3213 frei0r_src_filter_deps="frei0r dlopen"
3214 fspp_filter_deps="gpl"
3215 geq_filter_deps="gpl"
3216 histeq_filter_deps="gpl"
3217 hqdn3d_filter_deps="gpl"
3218 interlace_filter_deps="gpl"
3219 kerndeint_filter_deps="gpl"
3220 ladspa_filter_deps="ladspa dlopen"
3221 mcdeint_filter_deps="avcodec gpl"
3222 movie_filter_deps="avcodec avformat"
3223 mpdecimate_filter_deps="gpl"
3224 mpdecimate_filter_select="pixelutils"
3225 mptestsrc_filter_deps="gpl"
3226 negate_filter_deps="lut_filter"
3227 nnedi_filter_deps="gpl"
3228 ocr_filter_deps="libtesseract"
3229 ocv_filter_deps="libopencv"
3230 owdenoise_filter_deps="gpl"
3231 pan_filter_deps="swresample"
3232 perspective_filter_deps="gpl"
3233 phase_filter_deps="gpl"
3234 pp7_filter_deps="gpl"
3235 pp_filter_deps="gpl postproc"
3236 pullup_filter_deps="gpl"
3237 removelogo_filter_deps="avcodec avformat swscale"
3238 repeatfields_filter_deps="gpl"
3239 resample_filter_deps="avresample"
3240 rubberband_filter_deps="librubberband"
3241 sab_filter_deps="gpl swscale"
3242 scale2ref_filter_deps="swscale"
3243 scale_filter_deps="swscale"
3244 scale_qsv_filter_deps="libmfx"
3245 select_filter_select="pixelutils"
3246 showcqt_filter_deps="avcodec avformat swscale"
3247 showcqt_filter_select="fft"
3248 showfreqs_filter_deps="avcodec"
3249 showfreqs_filter_select="fft"
3250 showspectrum_filter_deps="avcodec"
3251 showspectrum_filter_select="fft"
3252 showspectrumpic_filter_deps="avcodec"
3253 showspectrumpic_filter_select="fft"
3254 signature_filter_deps="gpl avcodec avformat"
3255 smartblur_filter_deps="gpl swscale"
3256 sofalizer_filter_deps="libmysofa avcodec"
3257 sofalizer_filter_select="fft"
3258 spectrumsynth_filter_deps="avcodec"
3259 spectrumsynth_filter_select="fft"
3260 spp_filter_deps="gpl avcodec"
3261 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
3262 stereo3d_filter_deps="gpl"
3263 subtitles_filter_deps="avformat avcodec libass"
3264 super2xsai_filter_deps="gpl"
3265 pixfmts_super2xsai_test_deps="super2xsai_filter"
3266 tinterlace_filter_deps="gpl"
3267 tinterlace_merge_test_deps="tinterlace_filter"
3268 tinterlace_pad_test_deps="tinterlace_filter"
3269 tonemap_filter_deps="const_nan"
3270 uspp_filter_deps="gpl avcodec"
3271 vaguedenoiser_filter_deps="gpl"
3272 vidstabdetect_filter_deps="libvidstab"
3273 vidstabtransform_filter_deps="libvidstab"
3274 libvmaf_filter_deps="libvmaf"
3275 zmq_filter_deps="libzmq"
3276 zoompan_filter_deps="swscale"
3277 zscale_filter_deps="libzimg const_nan"
3278 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3281 avio_dir_cmd_deps="avformat avutil"
3282 avio_reading_deps="avformat avcodec avutil"
3283 decode_audio_example_deps="avcodec avutil"
3284 decode_video_example_deps="avcodec avutil"
3285 demuxing_decoding_example_deps="avcodec avformat avutil"
3286 encode_audio_example_deps="avcodec avutil"
3287 encode_video_example_deps="avcodec avutil"
3288 extract_mvs_example_deps="avcodec avformat avutil"
3289 filter_audio_example_deps="avfilter avutil"
3290 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3291 filtering_video_example_deps="avfilter avcodec avformat avutil"
3292 http_multiclient_example_deps="avformat avutil fork"
3293 hw_decode_example_deps="avcodec avformat avutil"
3294 metadata_example_deps="avformat avutil"
3295 muxing_example_deps="avcodec avformat avutil swscale"
3296 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
3297 remuxing_example_deps="avcodec avformat avutil"
3298 resampling_audio_example_deps="avutil swresample"
3299 scaling_video_example_deps="avutil swscale"
3300 transcode_aac_example_deps="avcodec avformat swresample"
3301 transcoding_example_deps="avfilter avcodec avformat avutil"
3303 # libraries, in linking order
3304 avcodec_deps="avutil"
3305 avcodec_select="null_bsf"
3306 avdevice_deps="avformat avcodec avutil"
3307 avfilter_deps="avutil"
3308 avformat_deps="avcodec avutil"
3309 avformat_suggest="network"
3310 avresample_deps="avutil"
3311 postproc_deps="avutil gpl"
3312 swresample_deps="avutil"
3313 swscale_deps="avutil"
3316 ffmpeg_deps="avcodec avfilter avformat swresample"
3317 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3320 ffplay_deps="avcodec avformat swscale swresample sdl2"
3321 ffplay_extralibs='$sdl2_extralibs'
3322 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3323 ffprobe_deps="avcodec avformat"
3324 ffserver_deps="avformat fork sarestart"
3325 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
3328 podpages_deps="perl"
3329 manpages_deps="perl pod2man"
3330 htmlpages_deps="perl"
3331 htmlpages_deps_any="makeinfo_html texi2html"
3332 txtpages_deps="perl makeinfo"
3333 doc_deps_any="manpages htmlpages podpages txtpages"
3335 # default parameters
3337 logfile="ffbuild/config.log"
3339 # installation paths
3340 prefix_default="/usr/local"
3341 bindir_default='${prefix}/bin'
3342 datadir_default='${prefix}/share/ffmpeg'
3343 docdir_default='${prefix}/share/doc/ffmpeg'
3344 incdir_default='${prefix}/include'
3345 libdir_default='${prefix}/lib'
3346 mandir_default='${prefix}/share/man'
3352 host_cc_default="gcc"
3353 doxygen_default="doxygen"
3355 ln_s_default="ln -s -f"
3357 pkg_config_default=pkg-config
3358 ranlib_default="ranlib"
3359 strip_default="strip"
3360 version_script='--version-script'
3361 x86asmexe_default="nasm"
3362 windres_default="windres"
3364 nvccflags_default="-gencode arch=compute_30,code=sm_30 -O2"
3367 target_os_default=$(tolower $(uname -s))
3368 host_os=$target_os_default
3371 if test "$target_os_default" = aix; then
3372 arch_default=$(uname -p)
3373 strip_default="strip -X32_64"
3375 arch_default=$(uname -m)
3380 # configurable options
3381 enable $PROGRAM_LIST
3382 enable $DOCUMENT_LIST
3383 enable $EXAMPLE_LIST
3384 enable $(filter_out avresample $LIBRARY_LIST)
3390 enable faan faandct faanidct
3391 enable optimizations
3392 enable runtime_cpudetect
3393 enable safe_bitstream_reader
3395 enable swscale_alpha
3396 enable valgrind_backtrace
3398 sws_max_filter_size_default=256
3399 set_default sws_max_filter_size
3402 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3405 FULLNAME='$(NAME)$(BUILDSUF)'
3406 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3409 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3410 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3411 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3412 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3413 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3414 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3415 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
3442 host_extralibs='-lm'
3443 host_cflags_filter=echo
3444 host_ldflags_filter=echo
3446 target_path='$(CURDIR)'
3448 # since the object filename is not given with the -MM flag, the compiler
3449 # is only able to print the basename, and we must add the path ourselves
3450 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3456 if test -f configure; then
3459 source_path=$(cd $(dirname "$0"); pwd)
3460 case "$source_path" in
3461 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3463 test -e "$source_path/config.h" &&
3464 die "Out of tree builds are impossible with config.h in source dir."
3471 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3477 file=$source_path/$3
3478 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3481 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
3482 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
3483 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
3484 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
3485 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
3486 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
3487 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
3488 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
3489 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3491 find_things_extern(){
3494 file=$source_path/$3
3495 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
3498 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3499 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3515 for n in $COMPONENT_LIST; do
3516 v=$(toupper ${n%s})_LIST
3518 eval ${n}_if_any="\$$v"
3521 enable $ARCH_EXT_LIST
3524 echo "Unknown option \"$1\"."
3525 echo "See $0 --help for available options."
3529 print_in_columns() {
3530 cols=$(expr $ncols / 24)
3531 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3537 echo $* | sed s/$suffix//g | print_in_columns
3549 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3550 echo "prob ${prob:-0.5}"
3558 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3559 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3568 --extra-ldexeflags=*)
3569 add_ldexeflags $optval
3571 --extra-ldlibflags=*)
3572 add_ldlibflags $optval
3575 add_extralibs $optval
3578 disable $INDEV_LIST $OUTDEV_LIST
3581 debuglevel="$optval"
3584 disable $PROGRAM_LIST
3586 --disable-everything)
3587 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3590 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3591 disable $LIBRARY_LIST $PROGRAM_LIST doc
3594 --enable-random|--disable-random)
3595 action=${opt%%-random}
3596 do_random ${action#--} $COMPONENT_LIST
3598 --enable-random=*|--disable-random=*)
3599 action=${opt%%-random=*}
3600 do_random ${action#--} $optval
3605 --enable-*=*|--disable-*=*)
3606 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3607 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3608 eval list=\$$(toupper $thing)_LIST
3609 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3610 list=$(filter "$name" $list)
3611 [ "$list" = "" ] && warn "Option $opt did not match anything"
3614 --enable-yasm|--disable-yasm)
3615 warn "The ${opt} option is only provided for compatibility and will be\n"\
3616 "removed in the future. Use --enable-x86asm / --disable-x86asm instead."
3617 test $opt = --enable-yasm && x86asm=yes || x86asm=no
3620 warn "The --yasmexe option is only provided for compatibility and will be\n"\
3621 "removed in the future. Use --x86asmexe instead."
3624 --enable-?*|--disable-?*)
3625 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3626 if is_in $option $COMPONENT_LIST; then
3627 test $action = disable && action=unset
3628 eval $action \$$(toupper ${option%s})_LIST
3629 elif is_in $option $CMDLINE_SELECT; then
3636 NAME="${opt#--list-}"
3637 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3639 eval show_list $NAME \$$(toupper $NAME)_LIST
3641 --help|-h) show_help
3643 --quiet|-q) quiet=yes
3645 --fatal-warnings) enable fatal_warnings
3648 libfuzzer_path="$optval"
3651 optname="${opt%%=*}"
3652 optname="${optname#--}"
3653 optname=$(echo "$optname" | sed 's/-/_/g')
3654 if is_in $optname $CMDLINE_SET; then
3655 eval $optname='$optval'
3656 elif is_in $optname $CMDLINE_APPEND; then
3657 append $optname "$optval"
3669 if disabled autodetect; then
3671 # Unless iconv is explicitely disabled by the user, we still want to probe
3672 # for the iconv from the libc.
3673 disabled iconv || enable libc_iconv
3675 disable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3676 disable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3678 # Mark specifically enabled, but normally autodetected libraries as requested.
3679 for lib in $AUTODETECT_LIBS; do
3680 enabled $lib && request $lib
3682 #TODO: switch to $AUTODETECT_LIBS when $THREADS_LIST is supported the same way
3683 enable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3684 enable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3686 disabled logging && logfile=/dev/null
3688 die_license_disabled() {
3689 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
3692 die_license_disabled_gpl() {
3693 enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }
3696 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3697 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3699 enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST
3700 map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST
3702 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3704 # Disable all the library-specific components if the library itself
3705 # is disabled, see AVCODEC_LIST and following _LIST variables.
3707 disable_components(){
3708 disabled ${1} && disable $(
3709 eval components="\$$(toupper ${1})_COMPONENTS"
3710 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3714 map 'disable_components $v' $LIBRARY_LIST
3716 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3719 test -n "$valgrind" && toolchain="valgrind-memcheck"
3721 enabled ossfuzz && {
3722 add_cflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer
3723 add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp
3726 case "$toolchain" in
3728 cc_default="${toolchain%-asan}"
3729 add_cflags -fsanitize=address
3730 add_ldflags -fsanitize=address
3733 cc_default="${toolchain%-msan}"
3734 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
3735 add_ldflags -fsanitize=memory
3738 cc_default="${toolchain%-tsan}"
3739 add_cflags -fsanitize=thread -fPIE
3740 add_ldflags -fsanitize=thread -pie
3741 case "$toolchain" in
3749 cc_default="${toolchain%-usan}"
3750 add_cflags -fsanitize=undefined
3751 add_ldflags -fsanitize=undefined
3754 target_exec_default="valgrind"
3755 case "$toolchain" in
3757 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
3760 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3765 # Check whether the current MSVC version needs the C99 converter.
3766 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3767 # support enough of C99 to build ffmpeg. Default to the new
3768 # behaviour if the regexp was unable to match anything, since this
3769 # successfully parses the version number of existing supported
3770 # versions that require the converter (MSVC 2010 and 2012).
3771 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3772 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3776 cc_default="c99wrap cl"
3777 cxx_default="c99wrap cl"
3779 ld_default="$source_path/compat/windows/mslink"
3780 nm_default="dumpbin -symbols"
3787 target_os_default="win32"
3788 # Use a relative path for TMPDIR. This makes sure all the
3789 # ffconf temp files are written with a relative path, avoiding
3790 # issues with msys/win32 path conversion for MSVC parameters
3791 # such as -Fo<file> or -out:<file>.
3797 nm_default="dumpbin -symbols"
3799 target_os_default="win32"
3803 add_cflags -fprofile-arcs -ftest-coverage
3804 add_ldflags -fprofile-arcs -ftest-coverage
3807 add_cflags -fprofile-arcs -ftest-coverage
3808 add_ldflags --coverage
3811 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3812 add_cflags -fno-strict-overflow -fstack-protector-all
3813 add_ldflags -Wl,-z,relro -Wl,-z,now
3815 add_ldexeflags -fPIE -pie
3818 die "Unknown toolchain $toolchain"
3822 test -n "$cross_prefix" && enable cross_compile
3824 if enabled cross_compile; then
3825 test -n "$arch" && test -n "$target_os" ||
3826 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
3829 ar_default="${cross_prefix}${ar_default}"
3830 cc_default="${cross_prefix}${cc_default}"
3831 cxx_default="${cross_prefix}${cxx_default}"
3832 nm_default="${cross_prefix}${nm_default}"
3833 pkg_config_default="${cross_prefix}${pkg_config_default}"
3834 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3835 ranlib_default="${cross_prefix}${ranlib_default} -D"
3837 ranlib_default="${cross_prefix}${ranlib_default}"
3839 strip_default="${cross_prefix}${strip_default}"
3840 windres_default="${cross_prefix}${windres_default}"
3842 sysinclude_default="${sysroot}/usr/include"
3844 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3845 target_exec target_os x86asmexe nvcc
3846 enabled cross_compile || host_cc_default=$cc
3849 pkg_config_fail_message=""
3850 if ! $pkg_config --version >/dev/null 2>&1; then
3851 warn "$pkg_config not found, library detection may fail."
3853 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3854 pkg_config_fail_message="
3855 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3858 if test $doxygen != $doxygen_default && \
3859 ! $doxygen --version >/dev/null 2>&1; then
3860 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3865 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3869 EXESUF=$(exesuf $target_os)
3870 HOSTEXESUF=$(exesuf $host_os)
3872 # set temporary file name
3873 : ${TMPDIR:=$TEMPDIR}
3877 if [ -n "$tempprefix" ] ; then
3879 tmpname="$tempprefix.${HOSTNAME}.${UID}"
3883 elif ! check_cmd mktemp -u XXXXXX; then
3884 # simple replacement for missing mktemp
3885 # NOT SAFE FOR GENERAL USE
3887 tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3893 FFTMPDIR=$(mktemp -d "${TMPDIR}/ffconf.XXXXXXXX" 2> /dev/null) ||
3894 die "Unable to create temporary directory in $TMPDIR."
3897 tmp="${FFTMPDIR}/test"$2
3898 (set -C; exec > $tmp) 2> /dev/null ||
3899 die "Unable to create temporary file in $FFTMPDIR."
3903 trap 'rm -rf -- "$FFTMPDIR"' EXIT
3909 tmpfile TMPE $EXESUF
3921 # make sure we can execute files in $TMPDIR
3922 cat > $TMPSH 2>> $logfile <<EOF
3925 chmod +x $TMPSH >> $logfile 2>&1
3926 if ! $TMPSH >> $logfile 2>&1; then
3928 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3929 variable to another directory and make sure that it is not mounted noexec.
3931 die "Sanity test failed."
3937 # Filter out MSVC cl.exe options from cflags that shouldn't
3938 # be passed to gas-preprocessor
3948 -std=c99) echo -c99 ;;
3949 -mcpu=*) echo -arch ${flag#*=} ;;
3950 -mieee) echo -ieee ;;
3951 -O*|-fast) echo $flag ;;
3952 -fno-math-errno) echo -assume nomath_errno ;;
3954 -Wall) echo -msg_enable level2 ;;
3955 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3956 -Wl,*) echo $flag ;;
3966 -Wno-switch) echo -Wno-switch-enum ;;
3967 -Wno-format-zero-length) ;;
3968 -Wdisabled-optimization) ;;
3969 -Wno-pointer-sign) echo -Wno-other ;;
3975 msvc_common_flags(){
3978 # In addition to specifying certain flags under the compiler
3979 # specific filters, they must be specified here as well or else the
3980 # generic catch all at the bottom will print the original flag.
3985 -fomit-frame-pointer) ;;
3989 -fno-signed-zeros) ;;
3993 -lz) echo zlib.lib ;;
3994 -lx264) echo libx264.lib ;;
3996 -l*) echo ${flag#-l}.lib ;;
3997 -LARGEADDRESSAWARE) echo $flag ;;
3998 -L*) echo -libpath:${flag#-L} ;;
4005 msvc_common_flags "$@"
4008 -Wall) echo -W3 -wd4018 -wd4146 -wd4244 -wd4305 \
4010 -Wextra) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
4011 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4012 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
4014 -wd4273 -wd4554 -wd4701 -wd4703 ;;
4020 msvc_common_flags "$@"
4023 # Despite what Intel's documentation says -Wall, which is supported
4024 # on Windows, does enable remarks so disable them here.
4025 -Wall) echo $flag -Qdiag-disable:remark ;;
4026 -std=c99) echo -Qstd=c99 ;;
4044 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
4045 -fomit-frame-pointer) echo -Mnoframe ;;
4056 case "${flag#*=}" in
4057 native) echo -xtarget=native ;;
4058 v9|niagara) echo -xarch=sparc ;;
4059 ultrasparc) echo -xarch=sparcvis ;;
4060 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
4061 i586|pentium) echo -xchip=pentium ;;
4062 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
4063 pentium3*|c3-2) echo -xtarget=pentium3 ;;
4064 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
4065 pentium4*) echo -xtarget=pentium4 ;;
4066 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
4067 *-sse3) echo -xarch=sse3 ;;
4068 core2) echo -xarch=ssse3 -xchip=core2 ;;
4069 bonnell) echo -xarch=ssse3 ;;
4070 corei7|nehalem) echo -xtarget=nehalem ;;
4071 westmere) echo -xtarget=westmere ;;
4072 silvermont) echo -xarch=sse4_2 ;;
4073 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
4074 core-avx*|ivybridge|haswell|broadwell|skylake*|knl)
4076 amdfam10|barcelona) echo -xtarget=barcelona ;;
4077 btver1) echo -xarch=amdsse4a ;;
4078 btver2|bdver*|znver*) echo -xarch=avx ;;
4079 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
4080 k8|opteron|athlon64|athlon-fx)
4081 echo -xarch=sse2a ;;
4082 athlon*) echo -xarch=pentium_proa ;;
4085 -std=c99) echo -xc99 ;;
4086 -fomit-frame-pointer) echo -xregs=frameptr ;;
4087 -fPIC) echo -KPIC -xcode=pic32 ;;
4088 -W*,*) echo $flag ;;
4089 -f*-*|-W*|-mimpure-text) ;;
4100 case "${flag#*=}" in
4101 armv7-a|cortex-a*) echo -mv=7a8 ;;
4102 armv7-r|cortex-r*) echo -mv=7r4 ;;
4103 armv7-m|cortex-m*) echo -mv=7m3 ;;
4104 armv6*|arm11*) echo -mv=6 ;;
4105 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
4107 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
4110 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
4111 -mfpu=vfp) echo --float_support=vfpv2 ;;
4112 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
4113 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
4114 -msoft-float) echo --float_support=vfplib ;;
4115 -O[0-3]|-mf=*) echo $flag ;;
4117 -pds=*) echo $flag ;;
4118 -D*|-I*) echo $flag ;;
4119 --gcc|--abi=*) echo $flag ;;
4130 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
4131 unset _ld_o _ldflags _ld_lib _ld_path
4132 unset _depflags _DEPCMD _DEPFLAGS
4135 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
4136 true # no-op to avoid reading stdin in following checks
4137 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
4139 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
4140 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
4141 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4144 elif $_cc -v 2>&1 | grep -qi ^gcc; then
4146 gcc_version=$($_cc --version | head -n1)
4147 gcc_basever=$($_cc -dumpversion)
4148 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
4149 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
4150 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
4151 case $gcc_basever in
4154 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
4156 if [ "$first" = true ]; then
4157 case $gcc_basever in
4159 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
4164 elif $_cc --version 2>/dev/null | grep -q ^icc; then
4166 _ident=$($_cc --version | head -n1)
4171 _flags_filter=icc_flags
4172 elif $_cc -v 2>&1 | grep -q xlc; then
4174 _ident=$($_cc -qversion 2>/dev/null | head -n1)
4176 _cflags_size='-O5 -qcompact'
4177 elif $_cc -V 2>/dev/null | grep -q Compaq; then
4179 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
4181 _cflags_speed='-fast'
4183 _flags_filter=ccc_flags
4184 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
4185 test -d "$sysroot" || die "No valid sysroot specified."
4187 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
4188 armcc_conf="$PWD/armcc.conf"
4189 $_cc --arm_linux_configure \
4190 --arm_linux_config_file="$armcc_conf" \
4191 --configure_sysroot="$sysroot" \
4192 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
4193 die "Error creating armcc configuration file."
4194 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
4195 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
4196 as_default="${cross_prefix}gcc"
4200 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
4202 _ident=$($_cc -version | head -n1 | tr -s ' ')
4203 _flags='--gcc --abi=eabi -me'
4206 _depflags='-ppa -ppd=$(@:.o=.d)'
4207 _cflags_speed='-O3 -mf=5'
4208 _cflags_size='-O3 -mf=2'
4209 _flags_filter=tms470_flags
4210 elif $_cc -v 2>&1 | grep -q clang; then
4212 _ident=$($_cc --version 2>/dev/null | head -n1)
4213 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4216 elif $_cc -V 2>&1 | grep -q Sun; then
4218 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
4219 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
4220 _DEPFLAGS='-xM1 -xc99'
4223 _cflags_size='-O5 -xspace'
4224 _flags_filter=suncc_flags
4225 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
4227 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4228 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4231 _flags_filter='filter_out -Wdisabled-optimization'
4232 elif $_cc -v 2>&1 | grep -q Open64; then
4234 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4235 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4238 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
4239 elif $_cc -V 2>&1 | grep -q Portland; then
4241 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
4242 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
4243 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
4244 _cflags_size="-O2 -Munroll=c:1 $opt_common"
4246 _flags_filter=pgi_flags
4247 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
4249 _ident=$($_cc | head -n1)
4250 # 4509: "This form of conditional instruction is deprecated"
4251 _flags="-nologo -ignore 4509"
4252 _flags_filter=armasm_flags
4253 elif $_cc 2>&1 | grep -q Intel; then
4255 _ident=$($_cc 2>&1 | head -n1)
4256 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
4257 # Not only is O3 broken on 13.x+ but it is slower on all previous
4258 # versions (tested) as well.
4260 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
4261 if $_cc 2>&1 | grep -q Linker; then
4268 _flags_filter=icl_flags
4270 _ld_path='-libpath:'
4271 # -Qdiag-error to make icl error when seeing certain unknown arguments
4272 _flags='-nologo -Qdiag-error:4044,10157'
4273 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
4274 # with MSVC which enables it by default.
4275 _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise'
4277 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
4278 # lld can emulate multiple different linkers; in ms link.exe mode,
4279 # the -? parameter gives the help output which contains an identifyable
4280 # string, while it gives an error in other modes.
4282 # The link.exe mode doesn't have a switch for getting the version,
4283 # but we can force it back to gnu mode and get the version from there.
4284 _ident=$($_cc -flavor gnu --version 2>/dev/null)
4286 _flags_filter=msvc_flags
4288 _ld_path='-libpath:'
4289 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
4291 _ident=$($_cc 2>&1 | head -n1)
4292 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
4293 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
4297 if $_cc -nologo- 2>&1 | grep -q Linker; then
4304 _flags_filter=msvc_flags
4306 _ld_path='-libpath:'
4309 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
4311 _ident=$($_cc --version | head -n1)
4315 _flags_filter=cparser_flags
4318 eval ${pfx}_type=\$_type
4319 eval ${pfx}_ident=\$_ident
4323 eval ${1}_C=\${_cc_c-\${${1}_C}}
4324 eval ${1}_E=\${_cc_e-\${${1}_E}}
4325 eval ${1}_O=\${_cc_o-\${${1}_O}}
4327 if [ -n "$_depflags" ]; then
4328 eval ${1}_DEPFLAGS=\$_depflags
4330 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
4331 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
4332 eval DEP${1}FLAGS=\$_flags
4336 probe_cc cc "$cc" "true"
4337 cflags_filter=$_flags_filter
4338 cflags_speed=$_cflags_speed
4339 cflags_size=$_cflags_size
4340 cflags_noopt=$_cflags_noopt
4341 add_cflags $_flags $_cflags
4342 cc_ldflags=$_ldflags
4346 probe_cc hostcc "$host_cc"
4347 host_cflags_filter=$_flags_filter
4348 host_cflags_speed=$_cflags_speed
4349 add_host_cflags $_flags $_cflags
4352 test -n "$cc_type" && enable $cc_type ||
4353 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
4355 : ${as_default:=$cc}
4356 : ${objcc_default:=$cc}
4357 : ${dep_cc_default:=$cc}
4358 : ${ld_default:=$cc}
4359 : ${host_ld_default:=$host_cc}
4360 set_default ar as objcc dep_cc ld ln_s host_ld windres
4363 asflags_filter=$_flags_filter
4364 add_asflags $_flags $_cflags
4367 probe_cc objcc "$objcc"
4368 objcflags_filter=$_flags_filter
4369 add_objcflags $_flags $_cflags
4373 ldflags_filter=$_flags_filter
4374 add_ldflags $_flags $_ldflags
4375 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
4377 LD_LIB=${_ld_lib-$LD_LIB}
4378 LD_PATH=${_ld_path-$LD_PATH}
4380 probe_cc hostld "$host_ld"
4381 host_ldflags_filter=$_flags_filter
4382 add_host_ldflags $_flags $_ldflags
4383 HOSTLD_O=${_ld_o-$HOSTLD_O}
4385 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
4386 probe_cc depcc "$dep_cc"
4387 CCDEP=${_DEPCMD:-$DEPCMD}
4388 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
4392 if $ar 2>&1 | grep -q Microsoft; then
4395 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
4398 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
4399 arflags='-Xany -r -c'
4401 elif $ar 2>&1 | grep -q "\[D\] "; then
4409 add_cflags $extra_cflags
4410 add_cxxflags $extra_cxxflags
4411 add_objcflags $extra_objcflags
4412 add_asflags $extra_cflags
4414 if test -n "$sysroot"; then
4417 add_cppflags --sysroot="$sysroot"
4418 add_ldflags --sysroot="$sysroot"
4419 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
4420 add_cppflags -isysroot "$sysroot"
4421 add_ldflags -isysroot "$sysroot"
4424 add_cppflags -I"$sysinclude"
4425 add_ldflags --sysroot="$sysroot"
4430 if test "$cpu" = host; then
4431 enabled cross_compile &&
4432 die "--cpu=host makes no sense when cross-compiling."
4437 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4439 s/.*$1=\\([^ ]*\\).*/\\1/
4444 cpu=$(check_native -march || check_native -mcpu)
4448 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4449 sed -n "/cc1.*-target-cpu /{
4450 s/.*-target-cpu \\([^ ]*\\).*/\\1/
4455 cpu=$(check_native -march)
4459 test "${cpu:-host}" = host &&
4460 die "--cpu=host not supported with compiler $cc"
4463 # Deal with common $arch aliases
4487 "Power Macintosh"|ppc*|powerpc*)
4502 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
4507 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
4510 # Add processor-specific flags
4511 if enabled aarch64; then
4515 cpuflags="-march=$cpu"
4518 cpuflags="-mcpu=$cpu"
4522 elif enabled alpha; then
4524 cpuflags="-mcpu=$cpu"
4526 elif enabled arm; then
4529 check_cpp_condition stddef.h \
4530 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4535 if check_arm_arch 4; then echo armv4
4536 elif check_arm_arch 4T; then echo armv4t
4537 elif check_arm_arch 5; then echo armv5
4538 elif check_arm_arch 5E; then echo armv5e
4539 elif check_arm_arch 5T; then echo armv5t
4540 elif check_arm_arch 5TE; then echo armv5te
4541 elif check_arm_arch 5TEJ; then echo armv5te
4542 elif check_arm_arch 6; then echo armv6
4543 elif check_arm_arch 6J; then echo armv6j
4544 elif check_arm_arch 6K; then echo armv6k
4545 elif check_arm_arch 6Z; then echo armv6z
4546 elif check_arm_arch 6ZK; then echo armv6zk
4547 elif check_arm_arch 6T2; then echo armv6t2
4548 elif check_arm_arch 7; then echo armv7
4549 elif check_arm_arch 7A 7_A; then echo armv7-a
4550 elif check_arm_arch 7S; then echo armv7-a
4551 elif check_arm_arch 7R 7_R; then echo armv7-r
4552 elif check_arm_arch 7M 7_M; then echo armv7-m
4553 elif check_arm_arch 7EM 7E_M; then echo armv7-m
4554 elif check_arm_arch 8A 8_A; then echo armv8-a
4558 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4562 cpuflags="-march=$cpu"
4563 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4566 cpuflags="-mcpu=$cpu"
4568 cortex-a*) subarch=armv7a ;;
4569 cortex-r*) subarch=armv7r ;;
4570 cortex-m*) enable thumb; subarch=armv7m ;;
4571 arm11*) subarch=armv6 ;;
4572 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4573 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4574 *) subarch=$(probe_arm_arch) ;;
4580 armv5t*) enable fast_clz ;;
4583 disabled fast_unaligned || enable fast_unaligned
4587 elif enabled avr32; then
4592 cpuflags="-mpart=$cpu"
4596 cpuflags="-march=$cpu"
4600 cpuflags="-mcpu=$cpu"
4604 cpuflags="-march=$cpu"
4608 elif enabled bfin; then
4610 cpuflags="-mcpu=$cpu"
4612 elif enabled mips; then
4614 cpuflags="-march=$cpu"
4616 if [ "$cpu" != "generic" ]; then
4626 24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)
4637 enable local_aligned_8 local_aligned_16 local_aligned_32
4638 enable simd_align_16
4642 enable fast_unaligned
4643 disable aligned_stack
4649 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4652 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4655 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4660 # Unknown CPU. Disable everything.
4661 warn "unknown CPU. Disabling all MIPS optimizations."
4684 24kef*|34kf*|1004kf*)
4692 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"
4696 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4700 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4704 # We do not disable anything. Is up to the user to disable the unwanted features.
4705 warn 'generic cpu selected'
4708 elif enabled ppc; then
4712 case $(tolower $cpu) in
4713 601|ppc601|powerpc601)
4714 cpuflags="-mcpu=601"
4717 603*|ppc603*|powerpc603*)
4718 cpuflags="-mcpu=603"
4721 604*|ppc604*|powerpc604*)
4722 cpuflags="-mcpu=604"
4725 g3|75*|ppc75*|powerpc75*)
4726 cpuflags="-mcpu=750"
4729 g4|745*|ppc745*|powerpc745*)
4730 cpuflags="-mcpu=7450"
4733 74*|ppc74*|powerpc74*)
4734 cpuflags="-mcpu=7400"
4737 g5|970|ppc970|powerpc970)
4738 cpuflags="-mcpu=970"
4742 cpuflags="-mcpu=$cpu"
4746 cpuflags="-mcpu=$cpu"
4749 cpuflags="-mcpu=cell"
4754 cpuflags="-mcpu=e500mc"
4758 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4763 cpuflags="-mcpu=8540 -mhard-float"
4769 elif enabled sparc; then
4772 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4773 cpuflags="-mcpu=$cpu"
4775 ultrasparc*|niagara[234])
4776 cpuflags="-mcpu=$cpu"
4780 elif enabled x86; then
4784 cpuflags="-march=$cpu"
4788 # targets that do NOT support nopl and conditional mov (cmov)
4789 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4790 cpuflags="-march=$cpu"
4793 # targets that do support nopl and conditional mov (cmov)
4794 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4795 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\
4796 |amdfam10|barcelona|b[dt]ver*|znver*)
4797 cpuflags="-march=$cpu"
4801 # targets that do support conditional mov but on which it's slow
4802 pentium4|pentium4m|prescott|nocona)
4803 cpuflags="-march=$cpu"
4811 if [ "$cpu" != generic ]; then
4812 add_cflags $cpuflags
4813 add_asflags $cpuflags
4814 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4817 # compiler sanity check
4819 int main(void){ return 0; }
4821 if test "$?" != 0; then
4822 echo "$cc is unable to create an executable file."
4823 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4824 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4825 echo "Only do this if you know what cross compiling means."
4827 die "C compiler test failed."
4830 add_cppflags -D_ISOC99_SOURCE
4831 add_cxxflags -D__STDC_CONSTANT_MACROS
4832 check_cxxflags -std=c++11 || check_cxxflags -std=c++0x
4834 # some compilers silently accept -std=c11, so we also need to check that the
4835 # version macro is defined properly
4836 check_cpp_condition ctype.h "__STDC_VERSION__ >= 201112L" -std=c11 &&
4837 add_cflags -std=c11 ||
4838 check_cflags -std=c99
4840 check_cppflags -D_FILE_OFFSET_BITS=64
4841 check_cppflags -D_LARGEFILE_SOURCE
4843 add_host_cppflags -D_ISOC99_SOURCE
4844 check_host_cflags -std=c99
4845 check_host_cflags -Wall
4846 check_host_cflags $host_cflags_speed
4852 check_code cc "" "int test[2*($expr) - 1]" &&
4853 subarch=$arch64 || subarch=$arch32
4861 check_64bit mips mips64 '_MIPS_SIM > 1'
4865 check_64bit parisc parisc64 'sizeof(void *) > 4'
4869 check_64bit ppc ppc64 'sizeof(void *) > 4'
4873 check_64bit s390 s390x 'sizeof(void *) > 4'
4877 check_64bit sparc sparc64 'sizeof(void *) > 4'
4881 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4882 # Treat x32 as x64 for now. Note it also needs spic=$shared
4883 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4885 if test "$subarch" = "x86_64"; then
4890 check_cc <<EOF && subarch="ppc64"
4891 int test[(int)sizeof(char*) - 7];
4897 enabled spic && enable_weak pic
4899 enabled x86_64 && objformat=elf64 || objformat="elf32"
4905 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4906 enabled shared && add_ldflags -Wl,-brtl
4910 enable section_data_rel_ro
4911 SLIB_INSTALL_NAME='$(SLIBNAME)'
4913 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'