3 # FFmpeg configure script
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
10 # Prevent locale nonsense from breaking basic text processing.
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
23 (: ${foo%%bar}) 2> /dev/null
26 (: ${foo?}) 2> /dev/null
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
32 if test "0$FF_CONF_EXEC" -lt 1; then
34 try_exec bash "$0" "$@"
36 if test "0$FF_CONF_EXEC" -lt 2; then
38 try_exec ksh "$0" "$@"
40 if test "0$FF_CONF_EXEC" -lt 3; then
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --quiet Suppress showing informative output
67 --list-decoders show all available decoders
68 --list-encoders show all available encoders
69 --list-hwaccels show all available hardware accelerators
70 --list-demuxers show all available demuxers
71 --list-muxers show all available muxers
72 --list-parsers show all available parsers
73 --list-protocols show all available protocols
74 --list-bsfs show all available bitstream filters
75 --list-indevs show all available input devices
76 --list-outdevs show all available output devices
77 --list-filters show all available filters
80 --logfile=FILE log tests and output to FILE [ffbuild/config.log]
81 --disable-logging do not log configure debug information
82 --fatal-warnings fail if any configure warning is generated
83 --prefix=PREFIX install in PREFIX [$prefix_default]
84 --bindir=DIR install binaries in DIR [PREFIX/bin]
85 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
86 --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg]
87 --libdir=DIR install libs in DIR [PREFIX/lib]
88 --shlibdir=DIR install shared libs in DIR [LIBDIR]
89 --incdir=DIR install includes in DIR [PREFIX/include]
90 --mandir=DIR install man page in DIR [PREFIX/share/man]
91 --pkgconfigdir=DIR install pkg-config files in DIR [LIBDIR/pkgconfig]
92 --enable-rpath use rpath to allow installing libraries in paths
93 not part of the dynamic linker search path
94 use rpath when linking programs (USE WITH CARE)
95 --install-name-dir=DIR Darwin directory name for installed targets
98 --enable-gpl allow use of GPL code, the resulting libs
99 and binaries will be under GPL [no]
100 --enable-version3 upgrade (L)GPL to version 3 [no]
101 --enable-nonfree allow use of nonfree code, the resulting libs
102 and binaries will be unredistributable [no]
104 Configuration options:
105 --disable-static do not build static libraries [no]
106 --enable-shared build shared libraries [no]
107 --enable-small optimize for size instead of speed
108 --disable-runtime-cpudetect disable detecting CPU capabilities at runtime (smaller binary)
109 --enable-gray enable full grayscale support (slower color)
110 --disable-swscale-alpha disable alpha channel support in swscale
111 --disable-all disable building components, libraries and programs
112 --disable-autodetect disable automatically detected external libraries [no]
115 --disable-programs do not build command line programs
116 --disable-ffmpeg disable ffmpeg build
117 --disable-ffplay disable ffplay build
118 --disable-ffprobe disable ffprobe build
119 --disable-ffserver disable ffserver build
121 Documentation options:
122 --disable-doc do not build documentation
123 --disable-htmlpages do not build HTML documentation pages
124 --disable-manpages do not build man documentation pages
125 --disable-podpages do not build POD documentation pages
126 --disable-txtpages do not build text documentation pages
129 --disable-avdevice disable libavdevice build
130 --disable-avcodec disable libavcodec build
131 --disable-avformat disable libavformat build
132 --disable-swresample disable libswresample build
133 --disable-swscale disable libswscale build
134 --disable-postproc disable libpostproc build
135 --disable-avfilter disable libavfilter build
136 --enable-avresample enable libavresample build [no]
137 --disable-pthreads disable pthreads [autodetect]
138 --disable-w32threads disable Win32 threads [autodetect]
139 --disable-os2threads disable OS/2 threads [autodetect]
140 --disable-network disable network support [no]
141 --disable-dct disable DCT code
142 --disable-dwt disable DWT code
143 --disable-error-resilience disable error resilience code
144 --disable-lsp disable LSP code
145 --disable-lzo disable LZO decoder code
146 --disable-mdct disable MDCT code
147 --disable-rdft disable RDFT code
148 --disable-fft disable FFT code
149 --disable-faan disable floating point AAN (I)DCT code
150 --disable-pixelutils disable pixel utils in libavutil
152 Individual component options:
153 --disable-everything disable all components listed below
154 --disable-encoder=NAME disable encoder NAME
155 --enable-encoder=NAME enable encoder NAME
156 --disable-encoders disable all encoders
157 --disable-decoder=NAME disable decoder NAME
158 --enable-decoder=NAME enable decoder NAME
159 --disable-decoders disable all decoders
160 --disable-hwaccel=NAME disable hwaccel NAME
161 --enable-hwaccel=NAME enable hwaccel NAME
162 --disable-hwaccels disable all hwaccels
163 --disable-muxer=NAME disable muxer NAME
164 --enable-muxer=NAME enable muxer NAME
165 --disable-muxers disable all muxers
166 --disable-demuxer=NAME disable demuxer NAME
167 --enable-demuxer=NAME enable demuxer NAME
168 --disable-demuxers disable all demuxers
169 --enable-parser=NAME enable parser NAME
170 --disable-parser=NAME disable parser NAME
171 --disable-parsers disable all parsers
172 --enable-bsf=NAME enable bitstream filter NAME
173 --disable-bsf=NAME disable bitstream filter NAME
174 --disable-bsfs disable all bitstream filters
175 --enable-protocol=NAME enable protocol NAME
176 --disable-protocol=NAME disable protocol NAME
177 --disable-protocols disable all protocols
178 --enable-indev=NAME enable input device NAME
179 --disable-indev=NAME disable input device NAME
180 --disable-indevs disable input devices
181 --enable-outdev=NAME enable output device NAME
182 --disable-outdev=NAME disable output device NAME
183 --disable-outdevs disable output devices
184 --disable-devices disable all devices
185 --enable-filter=NAME enable filter NAME
186 --disable-filter=NAME disable filter NAME
187 --disable-filters disable all filters
188 --disable-v4l2_m2m disable V4L2 mem2mem code [autodetect]
190 External library support:
192 Using any of the following switches will allow FFmpeg to link to the
193 corresponding external library. All the components depending on that library
194 will become enabled, if all their other dependencies are met and they are not
195 explicitly disabled. E.g. --enable-libwavpack will enable linking to
196 libwavpack and allow the libwavpack encoder to be built, unless it is
197 specifically disabled with --disable-encoder=libwavpack.
199 Note that only the system libraries are auto-detected. All the other external
200 libraries must be explicitly enabled.
202 Also note that the following help text describes the purpose of the libraries
203 themselves, not all their features will necessarily be usable by FFmpeg.
205 --disable-alsa disable ALSA support [autodetect]
206 --disable-appkit disable Apple AppKit framework [autodetect]
207 --disable-avfoundation disable Apple AVFoundation framework [autodetect]
208 --enable-avisynth enable reading of AviSynth script files [no]
209 --disable-bzlib disable bzlib [autodetect]
210 --disable-coreimage disable Apple CoreImage framework [autodetect]
211 --enable-chromaprint enable audio fingerprinting with chromaprint [no]
212 --enable-frei0r enable frei0r video filtering [no]
213 --enable-gcrypt enable gcrypt, needed for rtmp(t)e support
214 if openssl, librtmp or gmp is not used [no]
215 --enable-gmp enable gmp, needed for rtmp(t)e support
216 if openssl or librtmp is not used [no]
217 --enable-gnutls enable gnutls, needed for https support
218 if openssl is not used [no]
219 --disable-iconv disable iconv [autodetect]
220 --enable-jni enable JNI support [no]
221 --enable-ladspa enable LADSPA audio filtering [no]
222 --enable-libass enable libass subtitles rendering,
223 needed for subtitles and ass filter [no]
224 --enable-libbluray enable BluRay reading using libbluray [no]
225 --enable-libbs2b enable bs2b DSP library [no]
226 --enable-libcaca enable textual display using libcaca [no]
227 --enable-libcelt enable CELT decoding via libcelt [no]
228 --enable-libcdio enable audio CD grabbing with libcdio [no]
229 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
231 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
232 --enable-libflite enable flite (voice synthesis) support via libflite [no]
233 --enable-libfontconfig enable libfontconfig, useful for drawtext filter [no]
234 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
235 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
236 --enable-libgme enable Game Music Emu via libgme [no]
237 --enable-libgsm enable GSM de/encoding via libgsm [no]
238 --enable-libiec61883 enable iec61883 via libiec61883 [no]
239 --enable-libilbc enable iLBC de/encoding via libilbc [no]
240 --enable-libjack enable JACK audio sound server [no]
241 --enable-libkvazaar enable HEVC encoding via libkvazaar [no]
242 --enable-libmodplug enable ModPlug via libmodplug [no]
243 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
244 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
245 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
246 --enable-libopencv enable video filtering via libopencv [no]
247 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
248 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
249 --enable-libopenmpt enable decoding tracked files via libopenmpt [no]
250 --enable-libopus enable Opus de/encoding via libopus [no]
251 --enable-libpulse enable Pulseaudio input via libpulse [no]
252 --enable-librsvg enable SVG rasterization via librsvg [no]
253 --enable-librubberband enable rubberband needed for rubberband filter [no]
254 --enable-librtmp enable RTMP[E] support via librtmp [no]
255 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
256 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
257 --enable-libsnappy enable Snappy compression, needed for hap encoding [no]
258 --enable-libsoxr enable Include libsoxr resampling [no]
259 --enable-libspeex enable Speex de/encoding via libspeex [no]
260 --enable-libssh enable SFTP protocol via libssh [no]
261 --enable-libtesseract enable Tesseract, needed for ocr filter [no]
262 --enable-libtheora enable Theora encoding via libtheora [no]
263 --enable-libtwolame enable MP2 encoding via libtwolame [no]
264 --enable-libv4l2 enable libv4l2/v4l-utils [no]
265 --enable-libvidstab enable video stabilization using vid.stab [no]
266 --enable-libvmaf enable vmaf filter via libvmaf [no]
267 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
268 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
269 native implementation exists [no]
270 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
271 --enable-libwavpack enable wavpack encoding via libwavpack [no]
272 --enable-libwebp enable WebP encoding via libwebp [no]
273 --enable-libx264 enable H.264 encoding via x264 [no]
274 --enable-libx265 enable HEVC encoding via x265 [no]
275 --enable-libxavs enable AVS encoding via xavs [no]
276 --enable-libxcb enable X11 grabbing using XCB [autodetect]
277 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
278 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
279 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
280 --enable-libxvid enable Xvid encoding via xvidcore,
281 native MPEG-4/Xvid encoder exists [no]
282 --enable-libxml2 enable XML parsing using the C library libxml2 [no]
283 --enable-libzimg enable z.lib, needed for zscale filter [no]
284 --enable-libzmq enable message passing via libzmq [no]
285 --enable-libzvbi enable teletext support via libzvbi [no]
286 --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 processing [no]
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-nvdec disable Nvidia video decoding acceleration (via hwaccel) [autodetect]
317 --disable-nvenc disable Nvidia video encoding code [autodetect]
318 --enable-omx enable OpenMAX IL code [no]
319 --enable-omx-rpi enable OpenMAX IL code for Raspberry Pi [no]
320 --enable-rkmpp enable Rockchip Media Process Platform code [no]
321 --disable-vaapi disable Video Acceleration API (mainly Unix/Intel) 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 [$LDEXEFLAGS]
369 --extra-ldsoflags=ELDFLAGS add ELDFLAGS to LDSOFLAGS [$LDSOFLAGS]
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.
465 if test -t 1 && which tput >/dev/null 2>&1; then
466 ncolors=$(tput colors)
467 if test -n "$ncolors" && test $ncolors -ge 8; then
468 bold_color=$(tput bold)
469 warn_color=$(tput setaf 3)
470 error_color=$(tput setaf 1)
471 reset_color=$(tput sgr0)
473 # 72 used instead of 80 since that's the default of pr
479 echo "$@" >> $logfile
484 pr -n -t $1 >> $logfile
490 WARNINGS="${WARNINGS}WARNING: $*\n"
495 echo "$error_color$bold_color$@$reset_color"
498 If you think configure made a mistake, make sure you are using the latest
499 version from Git. If the latest version fails, report the problem to the
500 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
502 if disabled logging; then
504 Rerun configure with logging enabled (do not use --disable-logging), and
505 include the log this produces with your report.
509 Include the log file "$logfile" produced by configure as this will help
516 # Avoid locale weirdness, besides we really just want to translate ASCII.
518 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
522 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
526 echo "$*" | sed 's/["\\]/\\\0/g'
530 v=$(echo "$1" | sed "s/'/'\\\\''/g")
531 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
536 echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
543 eval "case '$v' in $pat) printf '%s ' '$v' ;; esac"
551 eval "case '$v' in $pat) ;; *) printf '%s ' '$v' ;; esac"
558 for v; do eval $m; done
564 for v; do echo ${v}${suffix}; done
579 eval : \${$var:=$value}
584 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
590 eval $(sanitize_var_name "$var")='$*'
594 eval echo \$$(sanitize_var_name "$1")
599 eval level=\${${pvar}_level:=0}
600 eval ${pvar}_${level}="\$$pvar"
601 eval ${pvar}_level=$(($level+1))
607 eval level=\${${pvar}_level:-0}
608 test $level = 0 && continue
609 eval level=$(($level-1))
610 eval $pvar="\${${pvar}_${level}}"
611 eval ${pvar}_level=$level
612 eval unset ${pvar}_${level}
618 eval ${var}_requested=yes
641 enable $(sanitize_var_name $var)
647 disable $(sanitize_var_name $var)
653 enabled $var && continue
654 eval sel="\$${var}_select"
655 eval sgs="\$${var}_suggest"
659 enable_deep_weak $sgs
671 disabled $var && continue
680 test "${1#!}" = "$1" && op="=" || op="!="
681 eval test "x\$${1#!}_requested" $op "xyes"
685 test "${1#!}" = "$1" && op="=" || op="!="
686 eval test "x\$${1#!}" $op "xyes"
690 test "${1#!}" = "$1" && op="=" || op="!="
691 eval test "x\$${1#!}" $op "xno"
696 enabled $opt || return 1
702 disabled $opt || return 1
708 enabled $opt && return 0
714 disabled $opt && return 0
721 eval : \${$opt:=\$${opt}_default}
729 [ $var = $value ] && return 0
736 enabled ${cfg}_checking && die "Circular dependency for $cfg."
737 disabled ${cfg}_checking && continue
738 enable ${cfg}_checking
740 eval dep_all="\$${cfg}_deps"
741 eval dep_any="\$${cfg}_deps_any"
742 eval dep_con="\$${cfg}_conflict"
743 eval dep_sel="\$${cfg}_select"
744 eval dep_sgs="\$${cfg}_suggest"
745 eval dep_ifa="\$${cfg}_if"
746 eval dep_ifn="\$${cfg}_if_any"
748 pushvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
749 check_deps $dep_all $dep_any $dep_con $dep_sel $dep_sgs $dep_ifa $dep_ifn
750 popvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
752 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
753 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
754 enabled_all $dep_all || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not all dependencies are satisfied: $dep_all"; }
755 enabled_any $dep_any || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not any dependency is satisfied: $dep_any"; }
756 disabled_all $dep_con || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some conflicting dependencies are unsatisfied: $dep_con"; }
757 disabled_any $dep_sel && { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some selected dependency is unsatisfied: $dep_sel"; }
759 enabled $cfg && enable_deep_weak $dep_sel $dep_sgs
761 for dep in $dep_all $dep_any $dep_sel $dep_sgs; do
762 # filter out library deps, these do not belong in extralibs
763 is_in $dep $LIBRARY_LIST && continue
764 enabled $dep && eval append ${cfg}_extralibs ${dep}_extralibs
767 disable ${cfg}_checking
775 map 'eval echo "$v \${$v:-no}"' "$@" |
776 awk "BEGIN { split(\"$files\", files) }
778 c = \"$pfx\" toupper(\$1);
784 if (file ~ /\\.h\$/) {
785 printf(\"#define %s %d\\n\", c, v) >>file;
786 } else if (file ~ /\\.asm\$/) {
787 printf(\"%%define %s %d\\n\", c, v) >>file;
788 } else if (file ~ /\\.mak\$/) {
789 n = -v ? \"\" : \"!\";
790 printf(\"%s%s=yes\\n\", n, c) >>file;
791 } else if (file ~ /\\.texi\$/) {
792 pre = -v ? \"\" : \"@c \";
795 gsub(/_/, \"-\", c2);
796 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
806 enabled $v && printf "%s\n" ${v%$suf}
813 eval "$var=\"\$$var $*\""
819 eval "$var=\"$* \$$var\""
825 for tok in $(eval echo \$$var); do
826 uniq_list="$(filter_out $tok $uniq_list) $tok"
828 eval "$var=\"${uniq_list}\""
834 for entry in $(eval echo \$$var); do
835 tmpvar="$tmpvar $(eval echo \$${entry})"
837 eval "$var=\"${tmpvar}\""
845 append CFLAGS $($cflags_filter "$@")
848 add_cflags_headers(){
849 append CFLAGS_HEADERS $($cflags_filter "$@")
853 append CXXFLAGS $($cflags_filter "$@")
857 append ASFLAGS $($asflags_filter "$@")
861 append OBJCFLAGS $($objcflags_filter "$@")
865 append LDFLAGS $($ldflags_filter "$@")
869 append LDEXEFLAGS $($ldflags_filter "$@")
873 append LDSOFLAGS $($ldflags_filter "$@")
877 append ASMSTRIPFLAGS "$@"
881 prepend extralibs $($ldflags_filter "$@")
885 append host_cppflags "$@"
889 append host_cflags $($host_cflags_filter "$@")
893 append host_ldflags $($host_ldflags_filter "$@")
897 append compat_objs $1
899 map 'add_cppflags -D$v' "$@"
904 "$@" >> $logfile 2>&1
909 stat "$1" >> $logfile 2>&1
913 eval printf '%s\\n' $CC_O
917 eval printf '%s\\n' $CC_E
924 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
931 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
938 check_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
945 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
949 eval printf '%s\\n' $AS_O
956 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
960 log check_inline_asm "$@"
965 check_cc "$@" <<EOF && enable $name
966 void foo(void){ __asm__ volatile($code); }
970 check_inline_asm_flags(){
971 log check_inline_asm_flags "$@"
976 while [ "$1" != "" ]; do
982 void foo(void){ __asm__ volatile($code); }
985 check_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&
986 enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags
991 check_inline_asm ${1}_inline "\"$2\""
992 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
996 log check_x86asm "$@"
1000 check_cmd $x86asmexe $X86ASMFLAGS -Werror "$@" -o $TMPO $TMPS
1004 eval printf '%s\\n' $LD_O
1011 flags=$(filter_out '-l*|*.so' $@)
1012 libs=$(filter '-l*|*.so' $@)
1013 check_$type $($cflags_filter $flags) || return
1014 flags=$($ldflags_filter $flags)
1015 libs=$($ldflags_filter $libs)
1016 check_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
1021 test "${hdr%.h}" = "${hdr}" &&
1022 echo "#include $hdr" ||
1023 echo "#include <$hdr>"
1033 for hdr in $headers; do
1036 echo "int main(void) { $code; return 0; }"
1037 } | check_$check "$@"
1041 log check_cppflags "$@"
1042 check_cpp "$@" <<EOF && append CPPFLAGS "$@"
1048 log test_cflags "$@"
1049 set -- $($cflags_filter "$@")
1056 log check_cflags "$@"
1057 test_cflags "$@" && add_cflags "$@"
1061 log check_cxxflags "$@"
1062 set -- $($cflags_filter "$@")
1063 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
1069 log test_objcflags "$@"
1070 set -- $($objcflags_filter "$@")
1071 check_objcc "$@" <<EOF
1077 log check_objcflags "$@"
1078 test_objcflags "$@" && add_objcflags "$@"
1082 log test_ldflags "$@"
1083 set -- $($ldflags_filter "$@")
1084 check_ld "cc" "$@" <<EOF
1085 int main(void){ return 0; }
1090 log check_ldflags "$@"
1091 test_ldflags "$@" && add_ldflags "$@"
1095 log test_stripflags "$@"
1096 # call check_cc to get a fresh TMPO
1098 int main(void) { return 0; }
1100 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1104 log check_stripflags "$@"
1105 test_stripflags "$@" && add_stripflags "$@"
1109 log check_header "$@"
1112 disable_sanitized $headers
1114 for hdr in $headers; do
1118 } | check_cpp "$@" && enable_sanitized $headers
1121 check_header_objcc(){
1122 log check_header_objcc "$@"
1126 disable_sanitized $header
1128 echo "#include <$header>"
1129 echo "int main(void) { return 0; }"
1130 } | check_objcc && check_stat "$TMPO" && enable_sanitized $header
1133 check_apple_framework(){
1134 log check_apple_framework "$@"
1136 name="$(tolower $framework)"
1137 header="${framework}/${framework}.h"
1139 check_header_objcc $header &&
1140 enable $name && eval ${name}_extralibs='"-framework $framework"'
1148 check_ld "cc" "$@" <<EOF && enable $func
1150 int main(void){ $func(); }
1154 check_complexfunc(){
1155 log check_complexfunc "$@"
1159 test $narg = 2 && args="f, g" || args="f * I"
1161 check_ld "cc" "$@" <<EOF && enable $func
1162 #include <complex.h>
1164 float foo(complex float f, complex float g) { return $func($args); }
1165 int main(void){ return (int) foo; }
1170 log check_mathfunc "$@"
1174 test $narg = 2 && args="f, g" || args="f"
1176 check_ld "cc" "$@" <<EOF && enable $func
1178 float foo(float f, float g) { return $func($args); }
1179 int main(void){ return (int) foo; }
1183 check_func_headers(){
1184 log check_func_headers "$@"
1189 for hdr in $headers; do
1192 echo "#include <stdint.h>"
1193 for func in $funcs; do
1194 echo "long check_$func(void) { return (long) $func; }"
1196 echo "int main(void) { int ret = 0;"
1197 # LTO could optimize out the test functions without this
1198 for func in $funcs; do
1199 echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"
1201 echo "return ret; }"
1202 } | check_ld "cc" "$@" && enable $funcs && enable_sanitized $headers
1205 check_class_headers_cpp(){
1206 log check_class_headers_cpp "$@"
1211 for hdr in $headers; do
1212 echo "#include <$hdr>"
1214 echo "int main(void) { "
1216 for class in $classes; do
1217 echo "$class obj$i;"
1221 } | check_ld "cxx" "$@" && enable $funcs && enable_sanitized $headers
1224 check_cpp_condition(){
1225 log check_cpp_condition "$@"
1229 check_cpp "$@" <<EOF
1232 #error "unsatisfied condition: $condition"
1238 log test_cflags_cc "$@"
1243 set -- $($cflags_filter "$flags")
1247 #error "unsatisfied condition: $condition"
1259 check_func_headers "$headers" "$funcs" "$@" &&
1260 enable $name && eval ${name}_extralibs="\$@"
1264 log check_lib_cpp "$@"
1270 check_class_headers_cpp "$headers" "$classes" "$@" &&
1271 enable $name && eval ${name}_extralibs="\$@"
1275 log test_pkg_config "$@"
1283 check_cmd $pkg_config --exists --print-errors $pkg_version || return
1284 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1285 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1286 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1288 set_sanitized "${name}_cflags" $pkg_cflags &&
1289 set_sanitized "${name}_extralibs" $pkg_libs
1293 log check_pkg_config "$@"
1295 test_pkg_config "$@" &&
1296 eval add_cflags \$${name}_cflags
1300 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1304 log check_exec_crash "$@"
1307 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1308 # are safe but may not be available everywhere. Thus we use
1309 # raise(SIGTERM) instead. The check is run in a subshell so we
1310 # can redirect the "Terminated" message from the shell. SIGBUS
1311 # is not defined by standard C so it is used conditionally.
1313 (check_exec "$@") >> $logfile 2>&1 <<EOF
1315 static void sighandler(int sig){
1321 int (*func_ptr)(void) = foo;
1323 signal(SIGILL, sighandler);
1324 signal(SIGFPE, sighandler);
1325 signal(SIGSEGV, sighandler);
1327 signal(SIGBUS, sighandler);
1339 disable_sanitized "$type"
1340 check_code cc "$headers" "$type v" "$@" && enable_sanitized "$type"
1344 log check_struct "$@"
1349 disable_sanitized "${struct}_${member}"
1350 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1351 enable_sanitized "${struct}_${member}"
1355 log check_builtin "$@"
1361 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1364 check_compile_assert(){
1365 log check_compile_assert "$@"
1371 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1381 check_lib $name "$headers" $func "$@" || die "ERROR: $name_version not found"
1389 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1393 log require_header "$@"
1396 check_header "$headers" "$@" || die "ERROR: $headers not found"
1399 require_cpp_condition(){
1400 log require_cpp_condition "$@"
1404 check_cpp_condition "$header" "$condition" "$@" || die "ERROR: $condition not satisfied"
1407 require_pkg_config(){
1408 log require_pkg_config "$@"
1410 check_pkg_config "$@" || die "ERROR: $pkg_version not found using pkg-config$pkg_config_fail_message"
1414 eval printf '%s\\n' $HOSTCC_E
1418 eval printf '%s\\n' $HOSTCC_O
1422 log check_host_cc "$@"
1425 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1429 log check_host_cpp "$@"
1432 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1435 check_host_cppflags(){
1436 log check_host_cppflags "$@"
1437 check_host_cpp "$@" <<EOF && append host_cppflags "$@"
1442 check_host_cflags(){
1443 log check_host_cflags "$@"
1444 set -- $($host_cflags_filter "$@")
1445 check_host_cc "$@" <<EOF && append host_cflags "$@"
1450 check_host_cpp_condition(){
1451 log check_host_cpp_condition "$@"
1455 check_host_cpp "$@" <<EOF
1458 #error "unsatisfied condition: $condition"
1464 cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1465 mkdir -p "$(dirname $2)"
1469 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1470 # system-dependent things.
1472 AVCODEC_COMPONENTS="
1480 AVDEVICE_COMPONENTS="
1485 AVFILTER_COMPONENTS="
1489 AVFORMAT_COMPONENTS="
1497 $AVDEVICE_COMPONENTS
1498 $AVFILTER_COMPONENTS
1499 $AVFORMAT_COMPONENTS
1503 avio_dir_cmd_example
1504 avio_reading_example
1505 decode_audio_example
1506 decode_video_example
1507 demuxing_decoding_example
1508 encode_audio_example
1509 encode_video_example
1511 filter_audio_example
1512 filtering_audio_example
1513 filtering_video_example
1514 http_multiclient_example
1520 resampling_audio_example
1521 scaling_video_example
1522 transcode_aac_example
1526 EXTERNAL_AUTODETECT_LIBRARY_LIST="
1546 EXTERNAL_LIBRARY_GPL_LIST="
1558 EXTERNAL_LIBRARY_NONFREE_LIST="
1565 EXTERNAL_LIBRARY_VERSION3_LIST="
1574 EXTERNAL_LIBRARY_GPLV3_LIST="
1578 EXTERNAL_LIBRARY_LIST="
1579 $EXTERNAL_LIBRARY_GPL_LIST
1580 $EXTERNAL_LIBRARY_NONFREE_LIST
1581 $EXTERNAL_LIBRARY_VERSION3_LIST
1582 $EXTERNAL_LIBRARY_GPLV3_LIST
1639 HWACCEL_AUTODETECT_LIBRARY_LIST="
1655 # catchall list of things that require external libs to link
1661 HWACCEL_LIBRARY_NONFREE_LIST="
1666 HWACCEL_LIBRARY_LIST="
1667 $HWACCEL_LIBRARY_NONFREE_LIST
1688 safe_bitstream_reader
1735 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1739 $EXTERNAL_LIBRARY_LIST
1740 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1741 $HWACCEL_LIBRARY_LIST
1742 $HWACCEL_AUTODETECT_LIBRARY_LIST
1774 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1775 $HWACCEL_AUTODETECT_LIBRARY_LIST
1817 ARCH_EXT_LIST_MIPS="
1829 ARCH_EXT_LIST_LOONGSON="
1835 ARCH_EXT_LIST_X86_SIMD="
1864 $ARCH_EXT_LIST_X86_SIMD
1874 $ARCH_EXT_LIST_LOONGSON
1895 sync_val_compare_and_swap
1912 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
1927 machine_ioctl_bt848_h
1928 machine_ioctl_meteor_h
1930 opencv2_core_core_c_h
1993 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
2011 GetProcessAffinityMask
2012 GetProcessMemoryInfo
2015 GetSystemTimeAsFileTime
2038 SetConsoleTextAttribute
2039 SetConsoleCtrlHandler
2047 UTGetOSTypeFromString
2059 TOOLCHAIN_FEATURES="
2071 inline_asm_direct_symbol_refs
2073 inline_asm_nonlocal_labels
2084 CONDITION_VARIABLE_Ptr
2085 kCMVideoCodecType_HEVC
2088 struct_group_source_req
2089 struct_ip_mreq_source
2091 struct_msghdr_msg_flags
2093 struct_rusage_ru_maxrss
2094 struct_sctp_event_subscribe
2096 struct_sockaddr_sa_len
2097 struct_sockaddr_storage
2098 struct_stat_st_mtim_tv_nsec
2099 struct_v4l2_frmivalenum_discrete
2104 $(add_suffix _external $ARCH_EXT_LIST)
2105 $(add_suffix _inline $ARCH_EXT_LIST)
2126 opencl_vaapi_beignet
2127 opencl_vaapi_intel_media
2133 # options emitted with CONFIG_ prefix but not available on the command line
2155 frame_thread_encoder
2311 # code dependency declarations
2313 # architecture extensions
2318 armv8_deps="aarch64"
2319 neon_deps_any="aarch64 arm"
2320 intrinsics_neon_deps="neon"
2321 vfp_deps_any="aarch64 arm"
2325 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2334 loongson2_deps="mips"
2335 loongson3_deps="mips"
2336 mips32r2_deps="mips"
2337 mips32r5_deps="mips"
2338 mips32r6_deps="mips"
2339 mips64r2_deps="mips"
2340 mips64r6_deps="mips"
2343 mipsdspr2_deps="mips"
2348 x86_64_select="i686"
2349 x86_64_suggest="fast_cmov"
2352 amd3dnowext_deps="amd3dnow"
2369 mmx_external_deps="x86asm"
2370 mmx_inline_deps="inline_asm x86"
2371 mmx_suggest="mmx_external mmx_inline"
2373 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2374 eval dep=\$${ext}_deps
2375 eval ${ext}_external_deps='"${dep}_external"'
2376 eval ${ext}_inline_deps='"${dep}_inline"'
2377 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2380 aligned_stack_if_any="aarch64 ppc x86"
2381 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2382 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2383 fast_unaligned_if_any="aarch64 ppc x86"
2384 simd_align_16_if_any="altivec neon sse"
2385 simd_align_32_if_any="avx"
2387 # system capabilities
2388 symver_if_any="symver_asm_label symver_gnu_asm"
2389 valgrind_backtrace_conflict="optimizations"
2390 valgrind_backtrace_deps="valgrind_valgrind_h"
2393 atomics_gcc_if="sync_val_compare_and_swap"
2394 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2395 atomics_win32_if="MemoryBarrier"
2396 atomics_native_if_any="$ATOMICS_LIST"
2397 w32threads_deps="atomics_native"
2398 threads_if_any="$THREADS_LIST"
2401 cbs_h264_select="cbs golomb"
2402 cbs_h265_select="cbs golomb"
2403 cbs_mpeg2_select="cbs"
2405 dirac_parse_select="golomb"
2406 error_resilience_select="me_cmp"
2408 faandct_select="fdctdsp"
2409 faanidct_deps="faan"
2410 faanidct_select="idctdsp"
2411 h264dsp_select="startcode"
2412 hevcparse_select="golomb"
2413 frame_thread_encoder_deps="encoders threads"
2414 intrax8_select="blockdsp idctdsp"
2417 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2418 mpeg_er_select="error_resilience"
2419 mpegaudio_select="mpegaudiodsp mpegaudioheader"
2420 mpegaudiodsp_select="dct"
2421 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2422 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2423 vc1dsp_select="h264chroma qpeldsp startcode"
2426 # decoders / encoders
2427 aac_decoder_select="adts_header mdct15 mdct sinewin"
2428 aac_fixed_decoder_select="mdct sinewin"
2429 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2430 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2431 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2432 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2433 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2434 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2435 adpcm_g722_decoder_select="g722dsp"
2436 adpcm_g722_encoder_select="g722dsp"
2437 aic_decoder_select="golomb idctdsp"
2438 alac_encoder_select="lpc"
2439 als_decoder_select="bswapdsp"
2440 amrnb_decoder_select="lsp"
2441 amrwb_decoder_select="lsp"
2442 amv_decoder_select="sp5x_decoder exif"
2443 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2444 ape_decoder_select="bswapdsp llauddsp"
2445 apng_decoder_deps="zlib"
2446 apng_encoder_deps="zlib"
2447 apng_encoder_select="llvidencdsp"
2448 aptx_decoder_select="audio_frame_queue"
2449 aptx_encoder_select="audio_frame_queue"
2450 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2451 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2452 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2453 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2454 atrac1_decoder_select="mdct sinewin"
2455 atrac3_decoder_select="mdct"
2456 atrac3p_decoder_select="mdct sinewin"
2457 avrn_decoder_select="exif jpegtables"
2458 bink_decoder_select="blockdsp hpeldsp"
2459 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2460 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2461 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2462 clearvideo_decoder_select="idctdsp"
2463 cllc_decoder_select="bswapdsp"
2464 comfortnoise_encoder_select="lpc"
2465 cook_decoder_select="audiodsp mdct sinewin"
2466 cscd_decoder_select="lzo"
2467 cscd_decoder_suggest="zlib"
2468 dca_decoder_select="mdct"
2469 dds_decoder_select="texturedsp"
2470 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2471 dnxhd_decoder_select="blockdsp idctdsp"
2472 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2473 dolby_e_decoder_select="mdct"
2474 dvvideo_decoder_select="dvprofile idctdsp"
2475 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2476 dxa_decoder_deps="zlib"
2477 dxv_decoder_select="lzf texturedsp"
2478 eac3_decoder_select="ac3_decoder"
2479 eac3_encoder_select="ac3_encoder"
2480 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2481 eatgq_decoder_select="aandcttables"
2482 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2483 exr_decoder_deps="zlib"
2484 ffv1_decoder_select="rangecoder"
2485 ffv1_encoder_select="rangecoder"
2486 ffvhuff_decoder_select="huffyuv_decoder"
2487 ffvhuff_encoder_select="huffyuv_encoder"
2488 fic_decoder_select="golomb"
2489 flac_decoder_select="flacdsp"
2490 flac_encoder_select="bswapdsp flacdsp lpc"
2491 flashsv2_decoder_deps="zlib"
2492 flashsv2_encoder_deps="zlib"
2493 flashsv_decoder_deps="zlib"
2494 flashsv_encoder_deps="zlib"
2495 flv_decoder_select="h263_decoder"
2496 flv_encoder_select="h263_encoder"
2497 fourxm_decoder_select="blockdsp bswapdsp"
2498 fraps_decoder_select="bswapdsp huffman"
2499 g2m_decoder_deps="zlib"
2500 g2m_decoder_select="blockdsp idctdsp jpegtables"
2501 g729_decoder_select="audiodsp"
2502 h261_decoder_select="mpegvideo"
2503 h261_encoder_select="aandcttables mpegvideoenc"
2504 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2505 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2506 h263i_decoder_select="h263_decoder"
2507 h263p_decoder_select="h263_decoder"
2508 h263p_encoder_select="h263_encoder"
2509 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2510 h264_decoder_suggest="error_resilience"
2511 hap_decoder_select="snappy texturedsp"
2512 hap_encoder_deps="libsnappy"
2513 hap_encoder_select="texturedspenc"
2514 hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"
2515 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2516 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"
2517 iac_decoder_select="imc_decoder"
2518 imc_decoder_select="bswapdsp fft mdct sinewin"
2519 indeo3_decoder_select="hpeldsp"
2520 indeo4_decoder_select="ividsp"
2521 indeo5_decoder_select="ividsp"
2522 interplay_video_decoder_select="hpeldsp"
2523 jpegls_decoder_select="mjpeg_decoder"
2524 jv_decoder_select="blockdsp"
2525 lagarith_decoder_select="llviddsp"
2526 ljpeg_encoder_select="aandcttables idctdsp jpegtables mpegvideoenc"
2527 magicyuv_decoder_select="llviddsp"
2528 magicyuv_encoder_select="llvidencdsp"
2529 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2530 metasound_decoder_select="lsp mdct sinewin"
2531 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2532 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2533 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2534 mjpegb_decoder_select="mjpeg_decoder"
2535 mlp_decoder_select="mlp_parser"
2536 mlp_encoder_select="lpc"
2537 motionpixels_decoder_select="bswapdsp"
2538 mp1_decoder_select="mpegaudio"
2539 mp1float_decoder_select="mpegaudio"
2540 mp2_decoder_select="mpegaudio"
2541 mp2float_decoder_select="mpegaudio"
2542 mp3_decoder_select="mpegaudio"
2543 mp3adu_decoder_select="mpegaudio"
2544 mp3adufloat_decoder_select="mpegaudio"
2545 mp3float_decoder_select="mpegaudio"
2546 mp3on4_decoder_select="mpegaudio"
2547 mp3on4float_decoder_select="mpegaudio"
2548 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2549 mpc8_decoder_select="mpegaudiodsp"
2550 mpegvideo_decoder_select="mpegvideo"
2551 mpeg1video_decoder_select="mpegvideo"
2552 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2553 mpeg2video_decoder_select="mpegvideo"
2554 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2555 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2556 mpeg4_encoder_select="h263_encoder"
2557 msa1_decoder_select="mss34dsp"
2558 mscc_decoder_deps="zlib"
2559 msmpeg4v1_decoder_select="h263_decoder"
2560 msmpeg4v2_decoder_select="h263_decoder"
2561 msmpeg4v2_encoder_select="h263_encoder"
2562 msmpeg4v3_decoder_select="h263_decoder"
2563 msmpeg4v3_encoder_select="h263_encoder"
2564 mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"
2565 mts2_decoder_select="mss34dsp"
2566 mxpeg_decoder_select="mjpeg_decoder"
2567 nellymoser_decoder_select="mdct sinewin"
2568 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2569 nuv_decoder_select="idctdsp lzo"
2570 on2avc_decoder_select="mdct"
2571 opus_decoder_deps="swresample"
2572 opus_decoder_select="mdct15"
2573 opus_encoder_select="audio_frame_queue mdct15"
2574 png_decoder_deps="zlib"
2575 png_encoder_deps="zlib"
2576 png_encoder_select="llvidencdsp"
2577 prores_decoder_select="blockdsp idctdsp"
2578 prores_encoder_select="fdctdsp"
2579 qcelp_decoder_select="lsp"
2580 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2581 ra_144_decoder_select="audiodsp"
2582 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2583 ralf_decoder_select="golomb"
2584 rawvideo_decoder_select="bswapdsp"
2585 rscc_decoder_deps="zlib"
2586 rtjpeg_decoder_select="me_cmp"
2587 rv10_decoder_select="h263_decoder"
2588 rv10_encoder_select="h263_encoder"
2589 rv20_decoder_select="h263_decoder"
2590 rv20_encoder_select="h263_encoder"
2591 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2592 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2593 screenpresso_decoder_deps="zlib"
2594 shorten_decoder_select="bswapdsp"
2595 sipr_decoder_select="lsp"
2596 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2597 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2598 sonic_decoder_select="golomb rangecoder"
2599 sonic_encoder_select="golomb rangecoder"
2600 sonic_ls_encoder_select="golomb rangecoder"
2601 sp5x_decoder_select="mjpeg_decoder"
2602 srgc_decoder_deps="zlib"
2603 svq1_decoder_select="hpeldsp"
2604 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2605 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2606 svq3_decoder_suggest="zlib"
2607 tak_decoder_select="audiodsp"
2608 tdsc_decoder_deps="zlib"
2609 tdsc_decoder_select="mjpeg_decoder"
2610 theora_decoder_select="vp3_decoder"
2611 thp_decoder_select="mjpeg_decoder"
2612 tiff_decoder_suggest="zlib lzma"
2613 tiff_encoder_suggest="zlib"
2614 truehd_decoder_select="mlp_parser"
2615 truehd_encoder_select="lpc"
2616 truemotion2_decoder_select="bswapdsp"
2617 truespeech_decoder_select="bswapdsp"
2618 tscc_decoder_deps="zlib"
2619 twinvq_decoder_select="mdct lsp sinewin"
2620 txd_decoder_select="texturedsp"
2621 utvideo_decoder_select="bswapdsp llviddsp"
2622 utvideo_encoder_select="bswapdsp huffman llvidencdsp"
2623 vble_decoder_select="llviddsp"
2624 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2625 vc1image_decoder_select="vc1_decoder"
2626 vorbis_decoder_select="mdct"
2627 vorbis_encoder_select="mdct"
2628 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2629 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2630 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2631 vp6a_decoder_select="vp6_decoder"
2632 vp6f_decoder_select="vp6_decoder"
2633 vp7_decoder_select="h264pred videodsp vp8dsp"
2634 vp8_decoder_select="h264pred videodsp vp8dsp"
2635 vp9_decoder_select="videodsp vp9_parser"
2636 webp_decoder_select="vp8_decoder exif"
2637 wmalossless_decoder_select="llauddsp"
2638 wmapro_decoder_select="mdct sinewin wma_freqs"
2639 wmav1_decoder_select="mdct sinewin wma_freqs"
2640 wmav1_encoder_select="mdct sinewin wma_freqs"
2641 wmav2_decoder_select="mdct sinewin wma_freqs"
2642 wmav2_encoder_select="mdct sinewin wma_freqs"
2643 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2644 wmv1_decoder_select="h263_decoder"
2645 wmv1_encoder_select="h263_encoder"
2646 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2647 wmv2_encoder_select="h263_encoder wmv2dsp"
2648 wmv3_decoder_select="vc1_decoder"
2649 wmv3image_decoder_select="wmv3_decoder"
2650 xma1_decoder_select="wmapro_decoder"
2651 xma2_decoder_select="wmapro_decoder"
2652 zerocodec_decoder_deps="zlib"
2653 zlib_decoder_deps="zlib"
2654 zlib_encoder_deps="zlib"
2655 zmbv_decoder_deps="zlib"
2656 zmbv_encoder_deps="zlib"
2658 # hardware accelerators
2659 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2660 cuda_deps_any="libdl LoadLibrary"
2662 d3d11va_deps="dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2663 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32 user32"
2665 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2666 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2667 xvmc_deps="X11_extensions_XvMClib_h"
2669 h263_vaapi_hwaccel_deps="vaapi"
2670 h263_vaapi_hwaccel_select="h263_decoder"
2671 h263_videotoolbox_hwaccel_deps="videotoolbox"
2672 h263_videotoolbox_hwaccel_select="h263_decoder"
2673 h264_cuvid_hwaccel_select="h264_cuvid_decoder"
2674 h264_d3d11va_hwaccel_deps="d3d11va"
2675 h264_d3d11va_hwaccel_select="h264_decoder"
2676 h264_d3d11va2_hwaccel_deps="d3d11va"
2677 h264_d3d11va2_hwaccel_select="h264_decoder"
2678 h264_dxva2_hwaccel_deps="dxva2"
2679 h264_dxva2_hwaccel_select="h264_decoder"
2680 h264_mediacodec_hwaccel_deps="mediacodec"
2681 h264_mmal_hwaccel_deps="mmal"
2682 h264_nvdec_hwaccel_deps="nvdec"
2683 h264_nvdec_hwaccel_select="h264_decoder"
2684 h264_qsv_hwaccel_deps="libmfx"
2685 h264_vaapi_hwaccel_deps="vaapi"
2686 h264_vaapi_hwaccel_select="h264_decoder"
2687 h264_vdpau_hwaccel_deps="vdpau"
2688 h264_vdpau_hwaccel_select="h264_decoder"
2689 h264_videotoolbox_hwaccel_deps="videotoolbox"
2690 h264_videotoolbox_hwaccel_select="h264_decoder"
2691 hevc_cuvid_hwaccel_select="hevc_cuvid_decoder"
2692 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2693 hevc_d3d11va_hwaccel_select="hevc_decoder"
2694 hevc_mediacodec_hwaccel_deps="mediacodec"
2695 hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2696 hevc_d3d11va2_hwaccel_select="hevc_decoder"
2697 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2698 hevc_dxva2_hwaccel_select="hevc_decoder"
2699 hevc_nvdec_hwaccel_deps="nvdec"
2700 hevc_nvdec_hwaccel_select="hevc_decoder"
2701 hevc_qsv_hwaccel_deps="libmfx"
2702 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2703 hevc_vaapi_hwaccel_select="hevc_decoder"
2704 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2705 hevc_vdpau_hwaccel_select="hevc_decoder"
2706 hevc_videotoolbox_hwaccel_deps="videotoolbox"
2707 hevc_videotoolbox_hwaccel_select="hevc_decoder"
2708 mjpeg_cuvid_hwaccel_select="mjpeg_cuvid_decoder"
2709 mpeg_xvmc_hwaccel_deps="xvmc"
2710 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2711 mpeg1_cuvid_hwaccel_select="mpeg1_cuvid_decoder"
2712 mpeg1_nvdec_hwaccel_deps="nvdec"
2713 mpeg1_nvdec_hwaccel_select="mpeg1video_decoder"
2714 mpeg1_vdpau_hwaccel_deps="vdpau"
2715 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2716 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2717 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2718 mpeg1_xvmc_hwaccel_deps="xvmc"
2719 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2720 mpeg2_cuvid_hwaccel_select="mpeg2_cuvid_decoder"
2721 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2722 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2723 mpeg2_d3d11va2_hwaccel_deps="d3d11va"
2724 mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"
2725 mpeg2_dxva2_hwaccel_deps="dxva2"
2726 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2727 mpeg2_mediacodec_hwaccel_deps="mediacodec"
2728 mpeg2_mmal_hwaccel_deps="mmal"
2729 mpeg2_nvdec_hwaccel_deps="nvdec"
2730 mpeg2_nvdec_hwaccel_select="mpeg2video_decoder"
2731 mpeg2_qsv_hwaccel_deps="libmfx"
2732 mpeg2_vaapi_hwaccel_deps="vaapi"
2733 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2734 mpeg2_vdpau_hwaccel_deps="vdpau"
2735 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2736 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2737 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2738 mpeg2_xvmc_hwaccel_deps="xvmc"
2739 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2740 mpeg4_cuvid_hwaccel_select="mpeg4_cuvid_decoder"
2741 mpeg4_mediacodec_hwaccel_deps="mediacodec"
2742 mpeg4_mmal_hwaccel_deps="mmal"
2743 mpeg4_nvdec_hwaccel_deps="nvdec"
2744 mpeg4_nvdec_hwaccel_select="mpeg4_decoder"
2745 mpeg4_vaapi_hwaccel_deps="vaapi"
2746 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2747 mpeg4_vdpau_hwaccel_deps="vdpau"
2748 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2749 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2750 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2751 vc1_cuvid_hwaccel_select="vc1_cuvid_decoder"
2752 vc1_d3d11va_hwaccel_deps="d3d11va"
2753 vc1_d3d11va_hwaccel_select="vc1_decoder"
2754 vc1_d3d11va2_hwaccel_deps="d3d11va"
2755 vc1_d3d11va2_hwaccel_select="vc1_decoder"
2756 vc1_dxva2_hwaccel_deps="dxva2"
2757 vc1_dxva2_hwaccel_select="vc1_decoder"
2758 vc1_mmal_hwaccel_deps="mmal"
2759 vc1_nvdec_hwaccel_deps="nvdec"
2760 vc1_nvdec_hwaccel_select="vc1_decoder"
2761 vc1_qsv_hwaccel_deps="libmfx"
2762 vc1_vaapi_hwaccel_deps="vaapi"
2763 vc1_vaapi_hwaccel_select="vc1_decoder"
2764 vc1_vdpau_hwaccel_deps="vdpau"
2765 vc1_vdpau_hwaccel_select="vc1_decoder"
2766 vp8_cuvid_hwaccel_select="vp8_cuvid_decoder"
2767 vp9_cuvid_hwaccel_select="vp9_cuvid_decoder"
2768 vp8_mediacodec_hwaccel_deps="mediacodec"
2769 vp8_qsv_hwaccel_deps="libmfx"
2770 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2771 vp9_d3d11va_hwaccel_select="vp9_decoder"
2772 vp9_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2773 vp9_d3d11va2_hwaccel_select="vp9_decoder"
2774 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2775 vp9_dxva2_hwaccel_select="vp9_decoder"
2776 vp9_mediacodec_hwaccel_deps="mediacodec"
2777 vp9_nvdec_hwaccel_deps="nvdec"
2778 vp9_nvdec_hwaccel_select="vp9_decoder"
2779 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"
2780 vp9_vaapi_hwaccel_select="vp9_decoder"
2781 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2782 wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"
2783 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2784 wmv3_nvdec_hwaccel_select="vc1_nvdec_hwaccel"
2785 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2786 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2788 # hardware-accelerated codecs
2789 omx_deps="libdl pthreads"
2790 omx_rpi_select="omx"
2795 vaapi_encode_deps="vaapi"
2796 v4l2_m2m_deps_any="linux_videodev2_h"
2798 hwupload_cuda_filter_deps="cuda"
2799 scale_npp_filter_deps="cuda libnpp"
2800 scale_cuda_filter_deps="cuda_sdk"
2801 thumbnail_cuda_filter_deps="cuda_sdk"
2804 nvenc_deps_any="libdl LoadLibrary"
2805 nvenc_encoder_deps="nvenc"
2807 h263_v4l2m2m_decoder_deps="v4l2_m2m h263_v4l2_m2m"
2808 h263_v4l2m2m_encoder_deps="v4l2_m2m h263_v4l2_m2m"
2809 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2810 h264_cuvid_decoder_deps="cuvid"
2811 h264_cuvid_decoder_select="h264_mp4toannexb_bsf"
2812 h264_mediacodec_decoder_deps="mediacodec"
2813 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2814 h264_mmal_decoder_deps="mmal"
2815 h264_nvenc_encoder_deps="nvenc"
2816 h264_omx_encoder_deps="omx"
2817 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2818 h264_qsv_encoder_select="qsvenc"
2819 h264_rkmpp_decoder_deps="rkmpp"
2820 h264_rkmpp_decoder_select="h264_mp4toannexb_bsf"
2821 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2822 h264_vaapi_encoder_select="cbs_h264 vaapi_encode"
2823 h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m"
2824 h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"
2825 hevc_cuvid_decoder_deps="cuvid"
2826 hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"
2827 hevc_mediacodec_decoder_deps="mediacodec"
2828 hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"
2829 hevc_nvenc_encoder_deps="nvenc"
2830 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
2831 hevc_qsv_encoder_select="hevcparse qsvenc"
2832 hevc_rkmpp_decoder_deps="rkmpp"
2833 hevc_rkmpp_decoder_select="hevc_mp4toannexb_bsf"
2834 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2835 hevc_vaapi_encoder_select="cbs_h265 vaapi_encode"
2836 hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"
2837 hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"
2838 mjpeg_cuvid_decoder_deps="cuvid"
2839 mjpeg_qsv_encoder_deps="libmfx"
2840 mjpeg_qsv_encoder_select="qsvenc"
2841 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2842 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2843 mpeg1_cuvid_decoder_deps="cuvid"
2844 mpeg1_v4l2m2m_decoder_deps="v4l2_m2m mpeg1_v4l2_m2m"
2845 mpeg2_crystalhd_decoder_select="crystalhd"
2846 mpeg2_cuvid_decoder_deps="cuvid"
2847 mpeg2_mmal_decoder_deps="mmal"
2848 mpeg2_mediacodec_decoder_deps="mediacodec"
2849 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
2850 mpeg2_qsv_encoder_select="qsvenc"
2851 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2852 mpeg2_vaapi_encoder_select="cbs_mpeg2 vaapi_encode"
2853 mpeg2_v4l2m2m_decoder_deps="v4l2_m2m mpeg2_v4l2_m2m"
2854 mpeg4_crystalhd_decoder_select="crystalhd"
2855 mpeg4_cuvid_decoder_deps="cuvid"
2856 mpeg4_mediacodec_decoder_deps="mediacodec"
2857 mpeg4_mmal_decoder_deps="mmal"
2858 mpeg4_omx_encoder_deps="omx"
2859 mpeg4_v4l2m2m_decoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2860 mpeg4_v4l2m2m_encoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2861 msmpeg4_crystalhd_decoder_select="crystalhd"
2862 nvenc_h264_encoder_select="h264_nvenc_encoder"
2863 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2864 vc1_crystalhd_decoder_select="crystalhd"
2865 vc1_cuvid_decoder_deps="cuvid"
2866 vc1_mmal_decoder_deps="mmal"
2867 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel vc1_parser"
2868 vc1_v4l2m2m_decoder_deps="v4l2_m2m vc1_v4l2_m2m"
2869 vp8_cuvid_decoder_deps="cuvid"
2870 vp8_mediacodec_decoder_deps="mediacodec"
2871 vp8_qsv_decoder_select="qsvdec vp8_qsv_hwaccel vp8_parser"
2872 vp8_rkmpp_decoder_deps="rkmpp"
2873 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2874 vp8_vaapi_encoder_select="vaapi_encode"
2875 vp8_v4l2m2m_decoder_deps="v4l2_m2m vp8_v4l2_m2m"
2876 vp8_v4l2m2m_encoder_deps="v4l2_m2m vp8_v4l2_m2m"
2877 vp9_cuvid_decoder_deps="cuvid"
2878 vp9_mediacodec_decoder_deps="mediacodec"
2879 vp9_rkmpp_decoder_deps="rkmpp"
2880 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
2881 vp9_vaapi_encoder_select="vaapi_encode"
2882 vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m"
2883 wmv3_crystalhd_decoder_select="crystalhd"
2886 aac_parser_select="adts_header"
2887 h264_parser_select="golomb h264dsp h264parse"
2888 hevc_parser_select="hevcparse"
2889 mpegaudio_parser_select="mpegaudioheader"
2890 mpegvideo_parser_select="mpegvideo"
2891 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2892 vc1_parser_select="vc1dsp"
2895 aac_adtstoasc_bsf_select="adts_header"
2896 h264_metadata_bsf_select="cbs_h264"
2897 h264_redundant_pps_bsf_select="cbs_h264"
2898 hevc_metadata_bsf_select="cbs_h265"
2899 mjpeg2jpeg_bsf_select="jpegtables"
2900 mpeg2_metadata_bsf_select="cbs_mpeg2"
2901 trace_headers_bsf_select="cbs_h264 cbs_h265 cbs_mpeg2"
2903 # external libraries
2904 aac_at_decoder_deps="audiotoolbox"
2905 ac3_at_decoder_deps="audiotoolbox"
2906 ac3_at_decoder_select="ac3_parser"
2907 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
2908 alac_at_decoder_deps="audiotoolbox"
2909 amr_nb_at_decoder_deps="audiotoolbox"
2910 avisynth_deps_any="libdl LoadLibrary"
2911 avisynth_demuxer_deps="avisynth"
2912 avisynth_demuxer_select="riffdec"
2913 eac3_at_decoder_deps="audiotoolbox"
2914 eac3_at_decoder_select="ac3_parser"
2915 gsm_ms_at_decoder_deps="audiotoolbox"
2916 ilbc_at_decoder_deps="audiotoolbox"
2917 mp1_at_decoder_deps="audiotoolbox"
2918 mp2_at_decoder_deps="audiotoolbox"
2919 mp3_at_decoder_deps="audiotoolbox"
2920 mp1_at_decoder_select="mpegaudioheader"
2921 mp2_at_decoder_select="mpegaudioheader"
2922 mp3_at_decoder_select="mpegaudioheader"
2923 pcm_alaw_at_decoder_deps="audiotoolbox"
2924 pcm_mulaw_at_decoder_deps="audiotoolbox"
2925 qdmc_at_decoder_deps="audiotoolbox"
2926 qdm2_at_decoder_deps="audiotoolbox"
2927 aac_at_encoder_deps="audiotoolbox"
2928 aac_at_encoder_select="audio_frame_queue"
2929 alac_at_encoder_deps="audiotoolbox"
2930 alac_at_encoder_select="audio_frame_queue"
2931 ilbc_at_encoder_deps="audiotoolbox"
2932 ilbc_at_encoder_select="audio_frame_queue"
2933 pcm_alaw_at_encoder_deps="audiotoolbox"
2934 pcm_alaw_at_encoder_select="audio_frame_queue"
2935 pcm_mulaw_at_encoder_deps="audiotoolbox"
2936 pcm_mulaw_at_encoder_select="audio_frame_queue"
2937 chromaprint_muxer_deps="chromaprint"
2938 h264_videotoolbox_encoder_deps="pthreads"
2939 h264_videotoolbox_encoder_select="videotoolbox_encoder"
2940 hevc_videotoolbox_encoder_deps="pthreads"
2941 hevc_videotoolbox_encoder_select="videotoolbox_encoder"
2942 libcelt_decoder_deps="libcelt"
2943 libfdk_aac_decoder_deps="libfdk_aac"
2944 libfdk_aac_encoder_deps="libfdk_aac"
2945 libfdk_aac_encoder_select="audio_frame_queue"
2946 libgme_demuxer_deps="libgme"
2947 libgsm_decoder_deps="libgsm"
2948 libgsm_encoder_deps="libgsm"
2949 libgsm_ms_decoder_deps="libgsm"
2950 libgsm_ms_encoder_deps="libgsm"
2951 libilbc_decoder_deps="libilbc"
2952 libilbc_encoder_deps="libilbc"
2953 libkvazaar_encoder_deps="libkvazaar"
2954 libmodplug_demuxer_deps="libmodplug"
2955 libmp3lame_encoder_deps="libmp3lame"
2956 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
2957 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2958 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2959 libopencore_amrnb_encoder_select="audio_frame_queue"
2960 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2961 libopenh264_decoder_deps="libopenh264"
2962 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2963 libopenh264_encoder_deps="libopenh264"
2964 libopenjpeg_decoder_deps="libopenjpeg"
2965 libopenjpeg_encoder_deps="libopenjpeg"
2966 libopenmpt_demuxer_deps="libopenmpt"
2967 libopus_decoder_deps="libopus"
2968 libopus_encoder_deps="libopus"
2969 libopus_encoder_select="audio_frame_queue"
2970 librsvg_decoder_deps="librsvg"
2971 libshine_encoder_deps="libshine"
2972 libshine_encoder_select="audio_frame_queue"
2973 libspeex_decoder_deps="libspeex"
2974 libspeex_encoder_deps="libspeex"
2975 libspeex_encoder_select="audio_frame_queue"
2976 libtheora_encoder_deps="libtheora"
2977 libtwolame_encoder_deps="libtwolame"
2978 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2979 libvorbis_decoder_deps="libvorbis"
2980 libvorbis_encoder_deps="libvorbis libvorbisenc"
2981 libvorbis_encoder_select="audio_frame_queue"
2982 libvpx_vp8_decoder_deps="libvpx"
2983 libvpx_vp8_encoder_deps="libvpx"
2984 libvpx_vp9_decoder_deps="libvpx"
2985 libvpx_vp9_encoder_deps="libvpx"
2986 libwavpack_encoder_deps="libwavpack"
2987 libwavpack_encoder_select="audio_frame_queue"
2988 libwebp_encoder_deps="libwebp"
2989 libwebp_anim_encoder_deps="libwebp"
2990 libx262_encoder_deps="libx262"
2991 libx264_encoder_deps="libx264"
2992 libx264rgb_encoder_deps="libx264 x264_csp_bgr"
2993 libx264rgb_encoder_select="libx264_encoder"
2994 libx265_encoder_deps="libx265"
2995 libxavs_encoder_deps="libxavs"
2996 libxvid_encoder_deps="libxvid"
2997 libzvbi_teletext_decoder_deps="libzvbi"
2998 videotoolbox_suggest="coreservices"
2999 videotoolbox_deps="corefoundation coremedia corevideo"
3000 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
3003 ac3_demuxer_select="ac3_parser"
3004 aiff_muxer_select="iso_media"
3005 asf_demuxer_select="riffdec"
3006 asf_o_demuxer_select="riffdec"
3007 asf_muxer_select="riffenc"
3008 asf_stream_muxer_select="asf_muxer"
3009 avi_demuxer_select="iso_media riffdec exif"
3010 avi_muxer_select="riffenc"
3011 caf_demuxer_select="iso_media riffdec"
3012 caf_muxer_select="iso_media"
3013 dash_muxer_select="mp4_muxer"
3014 dash_demuxer_deps="libxml2"
3015 dirac_demuxer_select="dirac_parser"
3016 dts_demuxer_select="dca_parser"
3017 dtshd_demuxer_select="dca_parser"
3018 dv_demuxer_select="dvprofile"
3019 dv_muxer_select="dvprofile"
3020 dxa_demuxer_select="riffdec"
3021 eac3_demuxer_select="ac3_parser"
3022 f4v_muxer_select="mov_muxer"
3023 fifo_muxer_deps="threads"
3024 flac_demuxer_select="flac_parser"
3025 hds_muxer_select="flv_muxer"
3026 hls_muxer_select="mpegts_muxer"
3027 hls_muxer_suggest="gcrypt openssl"
3028 image2_alias_pix_demuxer_select="image2_demuxer"
3029 image2_brender_pix_demuxer_select="image2_demuxer"
3030 ipod_muxer_select="mov_muxer"
3031 ismv_muxer_select="mov_muxer"
3032 matroska_audio_muxer_select="matroska_muxer"
3033 matroska_demuxer_select="iso_media riffdec"
3034 matroska_demuxer_suggest="bzlib lzo zlib"
3035 matroska_muxer_select="iso_media riffenc"
3036 mmf_muxer_select="riffenc"
3037 mov_demuxer_select="iso_media riffdec"
3038 mov_demuxer_suggest="zlib"
3039 mov_muxer_select="iso_media riffenc rtpenc_chain"
3040 mp3_demuxer_select="mpegaudio_parser"
3041 mp3_muxer_select="mpegaudioheader"
3042 mp4_muxer_select="mov_muxer"
3043 mpegts_demuxer_select="iso_media"
3044 mpegts_muxer_select="adts_muxer latm_muxer"
3045 mpegtsraw_demuxer_select="mpegts_demuxer"
3046 mxf_d10_muxer_select="mxf_muxer"
3047 mxf_opatom_muxer_select="mxf_muxer"
3048 nut_muxer_select="riffenc"
3049 nuv_demuxer_select="riffdec"
3050 oga_muxer_select="ogg_muxer"
3051 ogg_demuxer_select="dirac_parse"
3052 ogv_muxer_select="ogg_muxer"
3053 opus_muxer_select="ogg_muxer"
3054 psp_muxer_select="mov_muxer"
3055 rtp_demuxer_select="sdp_demuxer"
3056 rtp_muxer_select="golomb"
3057 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
3058 rtsp_demuxer_select="http_protocol rtpdec"
3059 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
3060 sap_demuxer_select="sdp_demuxer"
3061 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
3062 sdp_demuxer_select="rtpdec"
3063 smoothstreaming_muxer_select="ismv_muxer"
3064 spdif_demuxer_select="adts_header"
3065 spdif_muxer_select="adts_header"
3066 spx_muxer_select="ogg_muxer"
3067 swf_demuxer_suggest="zlib"
3068 tak_demuxer_select="tak_parser"
3069 tg2_muxer_select="mov_muxer"
3070 tgp_muxer_select="mov_muxer"
3071 vobsub_demuxer_select="mpegps_demuxer"
3072 w64_demuxer_select="wav_demuxer"
3073 w64_muxer_select="wav_muxer"
3074 wav_demuxer_select="riffdec"
3075 wav_muxer_select="riffenc"
3076 webm_muxer_select="iso_media riffenc"
3077 webm_dash_manifest_demuxer_select="matroska_demuxer"
3078 wtv_demuxer_select="mpegts_demuxer riffdec"
3079 wtv_muxer_select="mpegts_muxer riffenc"
3080 xmv_demuxer_select="riffdec"
3081 xwma_demuxer_select="riffdec"
3084 alsa_indev_deps="alsa"
3085 alsa_outdev_deps="alsa"
3086 avfoundation_indev_deps="avfoundation corevideo coremedia pthreads"
3087 avfoundation_indev_suggest="coregraphics applicationservices"
3088 avfoundation_indev_extralibs="-framework Foundation"
3089 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
3090 caca_outdev_deps="libcaca"
3091 decklink_deps_any="libdl LoadLibrary"
3092 decklink_indev_deps="decklink threads"
3093 decklink_indev_extralibs="-lstdc++"
3094 decklink_outdev_deps="decklink threads"
3095 decklink_outdev_extralibs="-lstdc++"
3096 libndi_newtek_indev_deps="libndi_newtek"
3097 libndi_newtek_indev_extralibs="-lndi"
3098 libndi_newtek_outdev_deps="libndi_newtek"
3099 libndi_newtek_outdev_extralibs="-lndi"
3100 dshow_indev_deps="IBaseFilter"
3101 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
3102 fbdev_indev_deps="linux_fb_h"
3103 fbdev_outdev_deps="linux_fb_h"
3104 gdigrab_indev_deps="CreateDIBSection"
3105 gdigrab_indev_extralibs="-lgdi32"
3106 gdigrab_indev_select="bmp_decoder"
3107 iec61883_indev_deps="libiec61883"
3108 jack_indev_deps="libjack"
3109 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
3110 kmsgrab_indev_deps="libdrm"
3111 lavfi_indev_deps="avfilter"
3112 libcdio_indev_deps="libcdio"
3113 libdc1394_indev_deps="libdc1394"
3114 openal_indev_deps="openal"
3115 opengl_outdev_deps="opengl"
3116 oss_indev_deps_any="sys_soundcard_h"
3117 oss_outdev_deps_any="sys_soundcard_h"
3118 pulse_indev_deps="libpulse"
3119 pulse_outdev_deps="libpulse"
3120 sdl2_outdev_deps="sdl2"
3121 sndio_indev_deps="sndio"
3122 sndio_outdev_deps="sndio"
3123 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
3124 v4l2_indev_suggest="libv4l2"
3125 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
3126 v4l2_outdev_suggest="libv4l2"
3127 vfwcap_indev_deps="vfw32 vfwcap_defines"
3128 xcbgrab_indev_deps="libxcb"
3129 xcbgrab_indev_suggest="libxcb_shm libxcb_shape libxcb_xfixes"
3130 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
3131 xv_outdev_extralibs="-lXv -lX11 -lXext"
3134 async_protocol_deps="threads"
3135 bluray_protocol_deps="libbluray"
3136 ffrtmpcrypt_protocol_conflict="librtmp_protocol"
3137 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
3138 ffrtmpcrypt_protocol_select="tcp_protocol"
3139 ffrtmphttp_protocol_conflict="librtmp_protocol"
3140 ffrtmphttp_protocol_select="http_protocol"
3141 ftp_protocol_select="tcp_protocol"
3142 gopher_protocol_select="network"
3143 http_protocol_select="tcp_protocol"
3144 http_protocol_suggest="zlib"
3145 httpproxy_protocol_select="tcp_protocol"
3146 httpproxy_protocol_suggest="zlib"
3147 https_protocol_select="tls_protocol"
3148 https_protocol_suggest="zlib"
3149 icecast_protocol_select="http_protocol"
3150 librtmp_protocol_deps="librtmp"
3151 librtmpe_protocol_deps="librtmp"
3152 librtmps_protocol_deps="librtmp"
3153 librtmpt_protocol_deps="librtmp"
3154 librtmpte_protocol_deps="librtmp"
3155 libsmbclient_protocol_deps="libsmbclient gplv3"
3156 libssh_protocol_deps="libssh"
3157 mmsh_protocol_select="http_protocol"
3158 mmst_protocol_select="network"
3159 rtmp_protocol_conflict="librtmp_protocol"
3160 rtmp_protocol_select="tcp_protocol"
3161 rtmp_protocol_suggest="zlib"
3162 rtmpe_protocol_select="ffrtmpcrypt_protocol"
3163 rtmpe_protocol_suggest="zlib"
3164 rtmps_protocol_conflict="librtmp_protocol"
3165 rtmps_protocol_select="tls_protocol"
3166 rtmps_protocol_suggest="zlib"
3167 rtmpt_protocol_select="ffrtmphttp_protocol"
3168 rtmpt_protocol_suggest="zlib"
3169 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
3170 rtmpte_protocol_suggest="zlib"
3171 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
3172 rtmpts_protocol_suggest="zlib"
3173 rtp_protocol_select="udp_protocol"
3174 schannel_conflict="openssl gnutls"
3175 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
3176 sctp_protocol_select="network"
3177 securetransport_conflict="openssl gnutls"
3178 srtp_protocol_select="rtp_protocol srtp"
3179 tcp_protocol_select="network"
3180 tls_protocol_deps_any="gnutls openssl schannel securetransport"
3181 tls_protocol_select="tcp_protocol"
3182 udp_protocol_select="network"
3183 udplite_protocol_select="network"
3184 unix_protocol_deps="sys_un_h"
3185 unix_protocol_select="network"
3188 afftfilt_filter_deps="avcodec"
3189 afftfilt_filter_select="fft"
3190 afir_filter_deps="avcodec"
3191 afir_filter_select="fft"
3192 amovie_filter_deps="avcodec avformat"
3193 aresample_filter_deps="swresample"
3194 ass_filter_deps="libass"
3195 atempo_filter_deps="avcodec"
3196 atempo_filter_select="rdft"
3197 azmq_filter_deps="libzmq"
3198 blackframe_filter_deps="gpl"
3199 boxblur_filter_deps="gpl"
3200 bs2b_filter_deps="libbs2b"
3201 colormatrix_filter_deps="gpl"
3202 coreimage_filter_deps="coreimage appkit"
3203 coreimage_filter_extralibs="-framework OpenGL"
3204 coreimagesrc_filter_deps="coreimage appkit"
3205 coreimagesrc_filter_extralibs="-framework OpenGL"
3206 cover_rect_filter_deps="avcodec avformat gpl"
3207 cropdetect_filter_deps="gpl"
3208 deinterlace_qsv_filter_deps="libmfx"
3209 deinterlace_vaapi_filter_deps="vaapi"
3210 delogo_filter_deps="gpl"
3211 deshake_filter_select="pixelutils"
3212 deshake_filter_suggest="opencl"
3213 drawtext_filter_deps="libfreetype"
3214 drawtext_filter_suggest="libfontconfig libfribidi"
3215 elbg_filter_deps="avcodec"
3216 eq_filter_deps="gpl"
3217 fftfilt_filter_deps="avcodec"
3218 fftfilt_filter_select="rdft"
3219 find_rect_filter_deps="avcodec avformat gpl"
3220 firequalizer_filter_deps="avcodec"
3221 firequalizer_filter_select="rdft"
3222 flite_filter_deps="libflite"
3223 framerate_filter_select="pixelutils"
3224 frei0r_filter_deps="frei0r libdl"
3225 frei0r_src_filter_deps="frei0r libdl"
3226 fspp_filter_deps="gpl"
3227 geq_filter_deps="gpl"
3228 histeq_filter_deps="gpl"
3229 hqdn3d_filter_deps="gpl"
3230 interlace_filter_deps="gpl"
3231 kerndeint_filter_deps="gpl"
3232 ladspa_filter_deps="ladspa libdl"
3233 mcdeint_filter_deps="avcodec gpl"
3234 movie_filter_deps="avcodec avformat"
3235 mpdecimate_filter_deps="gpl"
3236 mpdecimate_filter_select="pixelutils"
3237 mptestsrc_filter_deps="gpl"
3238 negate_filter_deps="lut_filter"
3239 nnedi_filter_deps="gpl"
3240 ocr_filter_deps="libtesseract"
3241 ocv_filter_deps="libopencv"
3242 overlay_opencl_filter_deps="opencl"
3243 overlay_qsv_filter_deps="libmfx"
3244 overlay_qsv_filter_select="qsvvpp"
3245 owdenoise_filter_deps="gpl"
3246 pan_filter_deps="swresample"
3247 perspective_filter_deps="gpl"
3248 phase_filter_deps="gpl"
3249 pp7_filter_deps="gpl"
3250 pp_filter_deps="gpl postproc"
3251 pullup_filter_deps="gpl"
3252 removelogo_filter_deps="avcodec avformat swscale"
3253 repeatfields_filter_deps="gpl"
3254 resample_filter_deps="avresample"
3255 rubberband_filter_deps="librubberband"
3256 sab_filter_deps="gpl swscale"
3257 scale2ref_filter_deps="swscale"
3258 scale_filter_deps="swscale"
3259 scale_qsv_filter_deps="libmfx"
3260 select_filter_select="pixelutils"
3261 showcqt_filter_deps="avcodec avformat swscale"
3262 showcqt_filter_suggest="libfontconfig libfreetype"
3263 showcqt_filter_select="fft"
3264 showfreqs_filter_deps="avcodec"
3265 showfreqs_filter_select="fft"
3266 showspectrum_filter_deps="avcodec"
3267 showspectrum_filter_select="fft"
3268 showspectrumpic_filter_deps="avcodec"
3269 showspectrumpic_filter_select="fft"
3270 signature_filter_deps="gpl avcodec avformat"
3271 smartblur_filter_deps="gpl swscale"
3272 sofalizer_filter_deps="libmysofa avcodec"
3273 sofalizer_filter_select="fft"
3274 spectrumsynth_filter_deps="avcodec"
3275 spectrumsynth_filter_select="fft"
3276 spp_filter_deps="gpl avcodec"
3277 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
3278 stereo3d_filter_deps="gpl"
3279 subtitles_filter_deps="avformat avcodec libass"
3280 super2xsai_filter_deps="gpl"
3281 pixfmts_super2xsai_test_deps="super2xsai_filter"
3282 tinterlace_filter_deps="gpl"
3283 tinterlace_merge_test_deps="tinterlace_filter"
3284 tinterlace_pad_test_deps="tinterlace_filter"
3285 tonemap_filter_deps="const_nan"
3286 uspp_filter_deps="gpl avcodec"
3287 unsharp_filter_suggest="opencl"
3288 vaguedenoiser_filter_deps="gpl"
3289 vidstabdetect_filter_deps="libvidstab"
3290 vidstabtransform_filter_deps="libvidstab"
3291 libvmaf_filter_deps="libvmaf"
3292 zmq_filter_deps="libzmq"
3293 zoompan_filter_deps="swscale"
3294 zscale_filter_deps="libzimg const_nan"
3295 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3296 vpp_qsv_filter_deps="libmfx"
3297 vpp_qsv_filter_select="qsvvpp"
3300 avio_dir_cmd_deps="avformat avutil"
3301 avio_reading_deps="avformat avcodec avutil"
3302 decode_audio_example_deps="avcodec avutil"
3303 decode_video_example_deps="avcodec avutil"
3304 demuxing_decoding_example_deps="avcodec avformat avutil"
3305 encode_audio_example_deps="avcodec avutil"
3306 encode_video_example_deps="avcodec avutil"
3307 extract_mvs_example_deps="avcodec avformat avutil"
3308 filter_audio_example_deps="avfilter avutil"
3309 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3310 filtering_video_example_deps="avfilter avcodec avformat avutil"
3311 http_multiclient_example_deps="avformat avutil fork"
3312 hw_decode_example_deps="avcodec avformat avutil"
3313 metadata_example_deps="avformat avutil"
3314 muxing_example_deps="avcodec avformat avutil swscale"
3315 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
3316 remuxing_example_deps="avcodec avformat avutil"
3317 resampling_audio_example_deps="avutil swresample"
3318 scaling_video_example_deps="avutil swscale"
3319 transcode_aac_example_deps="avcodec avformat swresample"
3320 transcoding_example_deps="avfilter avcodec avformat avutil"
3323 cpu_init_extralibs="pthreads_extralibs"
3324 cws2fws_extralibs="zlib_extralibs"
3326 # libraries, in linking order
3327 avcodec_deps="avutil"
3328 avcodec_suggest="libm"
3329 avcodec_select="null_bsf"
3330 avdevice_deps="avformat avcodec avutil"
3331 avdevice_suggest="libm"
3332 avfilter_deps="avutil"
3333 avfilter_suggest="libm"
3334 avformat_deps="avcodec avutil"
3335 avformat_suggest="libm network zlib"
3336 avresample_deps="avutil"
3337 avresample_suggest="libm"
3338 avutil_suggest="clock_gettime cuda libm libdrm libmfx opencl user32 vaapi videotoolbox corefoundation corevideo coremedia wincrypt"
3339 postproc_deps="avutil gpl"
3340 postproc_suggest="libm"
3341 swresample_deps="avutil"
3342 swresample_suggest="libm libsoxr"
3343 swscale_deps="avutil"
3344 swscale_suggest="libm"
3346 avcodec_extralibs="pthreads_extralibs iconv_extralibs"
3347 avfilter_extralibs="pthreads_extralibs"
3348 avutil_extralibs="d3d11va_extralibs nanosleep_extralibs pthreads_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs"
3351 ffmpeg_deps="avcodec avfilter avformat swresample"
3352 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3355 ffmpeg_suggest="ole32 psapi shell32"
3356 ffplay_deps="avcodec avformat swscale swresample sdl2"
3357 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3358 ffplay_suggest="shell32"
3359 ffprobe_deps="avcodec avformat"
3360 ffprobe_suggest="shell32"
3361 ffserver_deps="avformat fork sarestart"
3362 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
3365 podpages_deps="perl"
3366 manpages_deps="perl pod2man"
3367 htmlpages_deps="perl"
3368 htmlpages_deps_any="makeinfo_html texi2html"
3369 txtpages_deps="perl makeinfo"
3370 doc_deps_any="manpages htmlpages podpages txtpages"
3372 # default parameters
3374 logfile="ffbuild/config.log"
3376 # installation paths
3377 prefix_default="/usr/local"
3378 bindir_default='${prefix}/bin'
3379 datadir_default='${prefix}/share/ffmpeg'
3380 docdir_default='${prefix}/share/doc/ffmpeg'
3381 incdir_default='${prefix}/include'
3382 libdir_default='${prefix}/lib'
3383 mandir_default='${prefix}/share/man'
3389 host_cc_default="gcc"
3390 doxygen_default="doxygen"
3392 ln_s_default="ln -s -f"
3394 pkg_config_default=pkg-config
3395 ranlib_default="ranlib"
3396 strip_default="strip"
3397 version_script='--version-script'
3399 x86asmexe_default="nasm"
3400 windres_default="windres"
3402 nvccflags_default="-gencode arch=compute_30,code=sm_30 -O2"
3406 target_os_default=$(tolower $(uname -s))
3407 host_os=$target_os_default
3410 if test "$target_os_default" = aix; then
3411 arch_default=$(uname -p)
3412 strip_default="strip -X32_64"
3414 arch_default=$(uname -m)
3419 # configurable options
3420 enable $PROGRAM_LIST
3421 enable $DOCUMENT_LIST
3422 enable $EXAMPLE_LIST
3423 enable $(filter_out avresample $LIBRARY_LIST)
3429 enable faan faandct faanidct
3430 enable optimizations
3431 enable runtime_cpudetect
3432 enable safe_bitstream_reader
3434 enable swscale_alpha
3435 enable valgrind_backtrace
3437 sws_max_filter_size_default=256
3438 set_default sws_max_filter_size
3440 # internal components are enabled by default
3441 enable $EXTRALIBS_LIST
3443 # Avoid external, non-system, libraries getting enabled by dependency resolution
3444 disable $EXTERNAL_LIBRARY_LIST $HWACCEL_LIBRARY_LIST
3447 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3450 FULLNAME='$(NAME)$(BUILDSUF)'
3451 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3454 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3455 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3456 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3457 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3458 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3459 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3460 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
3487 host_extralibs='-lm'
3488 host_cflags_filter=echo
3489 host_ldflags_filter=echo
3491 target_path='$(CURDIR)'
3493 # since the object filename is not given with the -MM flag, the compiler
3494 # is only able to print the basename, and we must add the path ourselves
3495 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3501 if test -f configure; then
3504 source_path=$(cd $(dirname "$0"); pwd)
3505 case "$source_path" in
3506 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3508 test -e "$source_path/config.h" &&
3509 die "Out of tree builds are impossible with config.h in source dir."
3516 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3522 file=$source_path/$3
3523 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3526 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
3527 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
3528 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
3529 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
3530 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
3531 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
3532 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
3533 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
3534 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3536 find_things_extern(){
3539 file=$source_path/$3
3540 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
3543 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3544 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3546 AVCODEC_COMPONENTS_LIST="
3554 AVDEVICE_COMPONENTS_LIST="
3559 AVFILTER_COMPONENTS_LIST="
3563 AVFORMAT_COMPONENTS_LIST="
3570 $AVCODEC_COMPONENTS_LIST
3571 $AVDEVICE_COMPONENTS_LIST
3572 $AVFILTER_COMPONENTS_LIST
3573 $AVFORMAT_COMPONENTS_LIST
3576 for n in $COMPONENT_LIST; do
3577 v=$(toupper ${n%s})_LIST
3579 eval ${n}_if_any="\$$v"
3582 enable $ARCH_EXT_LIST
3585 echo "Unknown option \"$1\"."
3586 echo "See $0 --help for available options."
3590 print_in_columns() {
3591 cols=$(expr $ncols / 24)
3592 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3598 echo $* | sed s/$suffix//g | print_in_columns
3610 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3611 echo "prob ${prob:-0.5}"
3619 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3620 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3629 --extra-ldexeflags=*)
3630 add_ldexeflags $optval
3632 --extra-ldsoflags=*)
3633 add_ldsoflags $optval
3635 --extra-ldlibflags=*)
3636 warn "The --extra-ldlibflags option is only provided for compatibility and will be\n"\
3637 "removed in the future. Use --extra-ldsoflags instead."
3638 add_ldsoflags $optval
3641 add_extralibs $optval
3644 disable $INDEV_LIST $OUTDEV_LIST
3647 debuglevel="$optval"
3650 disable $PROGRAM_LIST
3652 --disable-everything)
3653 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3656 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3657 disable $LIBRARY_LIST $PROGRAM_LIST doc
3660 --enable-random|--disable-random)
3661 action=${opt%%-random}
3662 do_random ${action#--} $COMPONENT_LIST
3664 --enable-random=*|--disable-random=*)
3665 action=${opt%%-random=*}
3666 do_random ${action#--} $optval
3671 --enable-*=*|--disable-*=*)
3672 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3673 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3674 eval list=\$$(toupper $thing)_LIST
3675 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3676 list=$(filter "$name" $list)
3677 [ "$list" = "" ] && warn "Option $opt did not match anything"
3680 --enable-yasm|--disable-yasm)
3681 warn "The ${opt} option is only provided for compatibility and will be\n"\
3682 "removed in the future. Use --enable-x86asm / --disable-x86asm instead."
3683 test $opt = --enable-yasm && x86asm=yes || x86asm=no
3686 warn "The --yasmexe option is only provided for compatibility and will be\n"\
3687 "removed in the future. Use --x86asmexe instead."
3690 --enable-?*|--disable-?*)
3691 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3692 if is_in $option $COMPONENT_LIST; then
3693 test $action = disable && action=unset
3694 eval $action \$$(toupper ${option%s})_LIST
3695 elif is_in $option $CMDLINE_SELECT; then
3702 NAME="${opt#--list-}"
3703 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3705 eval show_list $NAME \$$(toupper $NAME)_LIST
3707 --help|-h) show_help
3709 --quiet|-q) quiet=yes
3711 --fatal-warnings) enable fatal_warnings
3714 libfuzzer_path="$optval"
3717 optname="${opt%%=*}"
3718 optname="${optname#--}"
3719 optname=$(echo "$optname" | sed 's/-/_/g')
3720 if is_in $optname $CMDLINE_SET; then
3721 eval $optname='$optval'
3722 elif is_in $optname $CMDLINE_APPEND; then
3723 append $optname "$optval"
3735 if disabled autodetect; then
3737 # Unless iconv is explicitely disabled by the user, we still want to probe
3738 # for the iconv from the libc.
3739 disabled iconv || enable libc_iconv
3741 disable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3742 disable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3744 # Mark specifically enabled, but normally autodetected libraries as requested.
3745 for lib in $AUTODETECT_LIBS; do
3746 enabled $lib && request $lib
3748 #TODO: switch to $AUTODETECT_LIBS when $THREADS_LIST is supported the same way
3749 enable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3750 enable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3752 disabled logging && logfile=/dev/null
3754 # command line configuration sanity checks
3756 # we need to build at least one lib type
3757 if ! enabled_any static shared; then
3759 At least one library type must be built.
3760 Specify --enable-static to build the static libraries or --enable-shared to
3761 build the shared libraries as well. To only build the shared libraries specify
3762 --disable-static in addition to --enable-shared.
3767 die_license_disabled() {
3768 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
3771 die_license_disabled_gpl() {
3772 enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }
3775 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3776 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3778 enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST
3779 map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST
3781 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3783 enabled_all gnutls openssl &&
3784 die "GnuTLS and OpenSSL must not be enabled at the same time."
3786 # Disable all the library-specific components if the library itself
3787 # is disabled, see AVCODEC_LIST and following _LIST variables.
3789 disable_components(){
3790 disabled ${1} && disable $(
3791 eval components="\$$(toupper ${1})_COMPONENTS"
3792 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3796 map 'disable_components $v' $LIBRARY_LIST
3798 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3801 test -n "$valgrind" && toolchain="valgrind-memcheck"
3803 enabled ossfuzz && {
3804 add_cflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer
3805 add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp
3808 case "$toolchain" in
3810 cc_default="${toolchain%-asan}"
3811 add_cflags -fsanitize=address
3812 add_ldflags -fsanitize=address
3815 cc_default="${toolchain%-msan}"
3816 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
3817 add_ldflags -fsanitize=memory
3820 cc_default="${toolchain%-tsan}"
3821 add_cflags -fsanitize=thread -fPIE
3822 add_ldflags -fsanitize=thread -pie
3823 case "$toolchain" in
3831 cc_default="${toolchain%-usan}"
3832 add_cflags -fsanitize=undefined
3833 add_ldflags -fsanitize=undefined
3836 target_exec_default="valgrind"
3837 case "$toolchain" in
3839 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
3842 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3847 # Check whether the current MSVC version needs the C99 converter.
3848 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3849 # support enough of C99 to build ffmpeg. Default to the new
3850 # behaviour if the regexp was unable to match anything, since this
3851 # successfully parses the version number of existing supported
3852 # versions that require the converter (MSVC 2010 and 2012).
3853 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3854 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3858 cc_default="c99wrap cl"
3859 cxx_default="c99wrap cl"
3861 ld_default="$source_path/compat/windows/mslink"
3862 nm_default="dumpbin -symbols"
3866 as_default="armasm64"
3872 target_os_default="win32"
3873 # Use a relative path for TMPDIR. This makes sure all the
3874 # ffconf temp files are written with a relative path, avoiding
3875 # issues with msys/win32 path conversion for MSVC parameters
3876 # such as -Fo<file> or -out:<file>.
3882 nm_default="dumpbin -symbols"
3884 target_os_default="win32"
3888 add_cflags -fprofile-arcs -ftest-coverage
3889 add_ldflags -fprofile-arcs -ftest-coverage
3892 add_cflags -fprofile-arcs -ftest-coverage
3893 add_ldflags --coverage
3896 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3897 add_cflags -fno-strict-overflow -fstack-protector-all
3898 add_ldflags -Wl,-z,relro -Wl,-z,now
3900 add_ldexeflags -fPIE -pie
3903 die "Unknown toolchain $toolchain"
3907 if test -n "$cross_prefix"; then
3908 test -n "$arch" && test -n "$target_os" ||
3909 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
3910 enable cross_compile
3913 ar_default="${cross_prefix}${ar_default}"
3914 cc_default="${cross_prefix}${cc_default}"
3915 cxx_default="${cross_prefix}${cxx_default}"
3916 nm_default="${cross_prefix}${nm_default}"
3917 pkg_config_default="${cross_prefix}${pkg_config_default}"
3918 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3919 ranlib_default="${cross_prefix}${ranlib_default} -D"
3921 ranlib_default="${cross_prefix}${ranlib_default}"
3923 strip_default="${cross_prefix}${strip_default}"
3924 windres_default="${cross_prefix}${windres_default}"
3926 sysinclude_default="${sysroot}/usr/include"
3928 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3929 target_exec target_os x86asmexe nvcc
3930 enabled cross_compile || host_cc_default=$cc
3933 pkg_config_fail_message=""
3934 if ! $pkg_config --version >/dev/null 2>&1; then
3935 warn "$pkg_config not found, library detection may fail."
3937 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3938 pkg_config_fail_message="
3939 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3942 if test $doxygen != $doxygen_default && \
3943 ! $doxygen --version >/dev/null 2>&1; then
3944 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3949 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3953 EXESUF=$(exesuf $target_os)
3954 HOSTEXESUF=$(exesuf $host_os)
3956 # set temporary file name
3957 : ${TMPDIR:=$TEMPDIR}
3961 if [ -n "$tempprefix" ] ; then
3963 tmpname="$tempprefix.${HOSTNAME}.${UID}"
3967 elif ! check_cmd mktemp -u XXXXXX; then
3968 # simple replacement for missing mktemp
3969 # NOT SAFE FOR GENERAL USE
3971 tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3977 FFTMPDIR=$(mktemp -d "${TMPDIR}/ffconf.XXXXXXXX" 2> /dev/null) ||
3978 die "Unable to create temporary directory in $TMPDIR."
3981 tmp="${FFTMPDIR}/test"$2
3982 (set -C; exec > $tmp) 2> /dev/null ||
3983 die "Unable to create temporary file in $FFTMPDIR."
3987 trap 'rm -rf -- "$FFTMPDIR"' EXIT
3993 tmpfile TMPE $EXESUF
4005 # make sure we can execute files in $TMPDIR
4006 cat > $TMPSH 2>> $logfile <<EOF
4009 chmod +x $TMPSH >> $logfile 2>&1
4010 if ! $TMPSH >> $logfile 2>&1; then
4012 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
4013 variable to another directory and make sure that it is not mounted noexec.
4015 die "Sanity test failed."
4021 # Filter out MSVC cl.exe options from cflags that shouldn't
4022 # be passed to gas-preprocessor
4032 -Wno-switch) echo -Wno-switch-enum ;;
4033 -Wno-format-zero-length) ;;
4034 -Wdisabled-optimization) ;;
4035 -Wno-pointer-sign) echo -Wno-other ;;
4041 msvc_common_flags(){
4044 # In addition to specifying certain flags under the compiler
4045 # specific filters, they must be specified here as well or else the
4046 # generic catch all at the bottom will print the original flag.
4051 -fomit-frame-pointer) ;;
4055 -fno-signed-zeros) ;;
4059 -lz) echo zlib.lib ;;
4060 -lx264) echo libx264.lib ;;
4062 -l*) echo ${flag#-l}.lib ;;
4063 -LARGEADDRESSAWARE) echo $flag ;;
4064 -L*) echo -libpath:${flag#-L} ;;
4071 msvc_common_flags "$@"
4074 -Wall) echo -W3 -wd4018 -wd4146 -wd4244 -wd4305 \
4076 -Wextra) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
4077 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4078 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
4080 -wd4273 -wd4554 -wd4701 -wd4703 ;;
4086 msvc_common_flags "$@"
4089 # Despite what Intel's documentation says -Wall, which is supported
4090 # on Windows, does enable remarks so disable them here.
4091 -Wall) echo $flag -Qdiag-disable:remark ;;
4092 -std=c99) echo -Qstd=c99 ;;
4111 case "${flag#*=}" in
4112 native) echo -xtarget=native ;;
4113 v9|niagara) echo -xarch=sparc ;;
4114 ultrasparc) echo -xarch=sparcvis ;;
4115 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
4116 i586|pentium) echo -xchip=pentium ;;
4117 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
4118 pentium3*|c3-2) echo -xtarget=pentium3 ;;
4119 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
4120 pentium4*) echo -xtarget=pentium4 ;;
4121 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
4122 *-sse3) echo -xarch=sse3 ;;
4123 core2) echo -xarch=ssse3 -xchip=core2 ;;
4124 bonnell) echo -xarch=ssse3 ;;
4125 corei7|nehalem) echo -xtarget=nehalem ;;
4126 westmere) echo -xtarget=westmere ;;
4127 silvermont) echo -xarch=sse4_2 ;;
4128 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
4129 core-avx*|ivybridge|haswell|broadwell|skylake*|knl)
4131 amdfam10|barcelona) echo -xtarget=barcelona ;;
4132 btver1) echo -xarch=amdsse4a ;;
4133 btver2|bdver*|znver*) echo -xarch=avx ;;
4134 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
4135 k8|opteron|athlon64|athlon-fx)
4136 echo -xarch=sse2a ;;
4137 athlon*) echo -xarch=pentium_proa ;;
4140 -std=c99) echo -xc99 ;;
4141 -fomit-frame-pointer) echo -xregs=frameptr ;;
4142 -fPIC) echo -KPIC -xcode=pic32 ;;
4143 -W*,*) echo $flag ;;
4144 -f*-*|-W*|-mimpure-text) ;;
4156 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
4157 unset _ld_o _ldflags _ld_lib _ld_path
4158 unset _depflags _DEPCMD _DEPFLAGS
4161 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
4162 true # no-op to avoid reading stdin in following checks
4163 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
4165 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
4166 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
4167 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4170 elif $_cc -v 2>&1 | grep -qi ^gcc; then
4172 gcc_version=$($_cc --version | head -n1)
4173 gcc_basever=$($_cc -dumpversion)
4174 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
4175 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
4176 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
4177 case $gcc_basever in
4180 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
4182 if [ "$first" = true ]; then
4183 case $gcc_basever in
4185 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
4190 elif $_cc --version 2>/dev/null | grep -q ^icc; then
4192 _ident=$($_cc --version | head -n1)
4197 _flags_filter=icc_flags
4198 elif $_cc -v 2>&1 | grep -q xlc; then
4200 _ident=$($_cc -qversion 2>/dev/null | head -n1)
4202 _cflags_size='-O5 -qcompact'
4203 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
4204 test -d "$sysroot" || die "No valid sysroot specified."
4206 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
4207 armcc_conf="$PWD/armcc.conf"
4208 $_cc --arm_linux_configure \
4209 --arm_linux_config_file="$armcc_conf" \
4210 --configure_sysroot="$sysroot" \
4211 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
4212 die "Error creating armcc configuration file."
4213 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
4214 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
4215 as_default="${cross_prefix}gcc"
4219 elif $_cc -v 2>&1 | grep -q clang; then
4221 _ident=$($_cc --version 2>/dev/null | head -n1)
4222 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4225 elif $_cc -V 2>&1 | grep -q Sun; then
4227 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
4228 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
4229 _DEPFLAGS='-xM1 -xc99'
4232 _cflags_size='-O5 -xspace'
4233 _flags_filter=suncc_flags
4234 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
4236 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4237 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4240 _flags_filter='filter_out -Wdisabled-optimization'
4241 elif $_cc -v 2>&1 | grep -q Open64; then
4243 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4244 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4247 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
4248 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
4250 _ident=$($_cc | head -n1)
4251 # 4509: "This form of conditional instruction is deprecated"
4252 _flags="-nologo -ignore 4509"
4253 _flags_filter=armasm_flags
4254 elif $_cc 2>&1 | grep -q Intel; then
4256 _ident=$($_cc 2>&1 | head -n1)
4257 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
4258 # Not only is O3 broken on 13.x+ but it is slower on all previous
4259 # versions (tested) as well.
4261 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
4262 if $_cc 2>&1 | grep -q Linker; then
4269 _flags_filter=icl_flags
4271 _ld_path='-libpath:'
4272 # -Qdiag-error to make icl error when seeing certain unknown arguments
4273 _flags='-nologo -Qdiag-error:4044,10157'
4274 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
4275 # with MSVC which enables it by default.
4276 _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise'
4278 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
4279 # lld can emulate multiple different linkers; in ms link.exe mode,
4280 # the -? parameter gives the help output which contains an identifyable
4281 # string, while it gives an error in other modes.
4283 # The link.exe mode doesn't have a switch for getting the version,
4284 # but we can force it back to gnu mode and get the version from there.
4285 _ident=$($_cc -flavor gnu --version 2>/dev/null)
4287 _flags_filter=msvc_flags
4289 _ld_path='-libpath:'
4290 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
4292 _ident=$($_cc 2>&1 | head -n1)
4293 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
4294 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
4298 if $_cc -nologo- 2>&1 | grep -q Linker; then
4305 _flags_filter=msvc_flags
4307 _ld_path='-libpath:'
4310 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
4312 _ident=$($_cc --version | head -n1)
4316 _flags_filter=cparser_flags
4319 eval ${pfx}_type=\$_type
4320 eval ${pfx}_ident=\$_ident
4324 eval ${1}_C=\${_cc_c-\${${1}_C}}
4325 eval ${1}_E=\${_cc_e-\${${1}_E}}
4326 eval ${1}_O=\${_cc_o-\${${1}_O}}
4328 if [ -n "$_depflags" ]; then
4329 eval ${1}_DEPFLAGS=\$_depflags
4331 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
4332 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
4333 eval DEP${1}FLAGS=\$_flags
4337 probe_cc cc "$cc" "true"
4338 cflags_filter=$_flags_filter
4339 cflags_speed=$_cflags_speed
4340 cflags_size=$_cflags_size
4341 cflags_noopt=$_cflags_noopt
4342 add_cflags $_flags $_cflags
4343 cc_ldflags=$_ldflags
4347 probe_cc hostcc "$host_cc"
4348 host_cflags_filter=$_flags_filter
4349 host_cflags_speed=$_cflags_speed
4350 add_host_cflags $_flags $_cflags
4353 test -n "$cc_type" && enable $cc_type ||
4354 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
4356 : ${as_default:=$cc}
4357 : ${objcc_default:=$cc}
4358 : ${dep_cc_default:=$cc}
4359 : ${ld_default:=$cc}
4360 : ${host_ld_default:=$host_cc}
4361 set_default ar as objcc dep_cc ld ln_s host_ld windres
4364 asflags_filter=$_flags_filter
4365 add_asflags $_flags $_cflags
4368 probe_cc objcc "$objcc"
4369 objcflags_filter=$_flags_filter
4370 add_objcflags $_flags $_cflags
4374 ldflags_filter=$_flags_filter
4375 add_ldflags $_flags $_ldflags
4376 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
4378 LD_LIB=${_ld_lib-$LD_LIB}
4379 LD_PATH=${_ld_path-$LD_PATH}
4381 probe_cc hostld "$host_ld"
4382 host_ldflags_filter=$_flags_filter
4383 add_host_ldflags $_flags $_ldflags
4384 HOSTLD_O=${_ld_o-$HOSTLD_O}
4386 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
4387 probe_cc depcc "$dep_cc"
4388 CCDEP=${_DEPCMD:-$DEPCMD}
4389 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
4393 if $ar 2>&1 | grep -q Microsoft; then
4396 elif $ar 2>&1 | grep -q "\[D\] "; then
4404 add_cflags $extra_cflags
4405 add_cxxflags $extra_cxxflags
4406 add_objcflags $extra_objcflags
4407 add_asflags $extra_cflags
4409 if test -n "$sysroot"; then
4412 add_cppflags --sysroot="$sysroot"
4413 add_ldflags --sysroot="$sysroot"
4418 if test "$cpu" = host; then
4419 enabled cross_compile &&
4420 die "--cpu=host makes no sense when cross-compiling."
4425 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4427 s/.*$1=\\([^ ]*\\).*/\\1/
4432 cpu=$(check_native -march || check_native -mcpu)
4436 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4437 sed -n "/cc1.*-target-cpu /{
4438 s/.*-target-cpu \\([^ ]*\\).*/\\1/
4443 cpu=$(check_native -march)
4447 test "${cpu:-host}" = host &&
4448 die "--cpu=host not supported with compiler $cc"
4451 # Deal with common $arch aliases
4475 "Power Macintosh"|ppc*|powerpc*)
4490 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
4495 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
4498 # Add processor-specific flags
4499 if enabled aarch64; then
4503 cpuflags="-march=$cpu"
4506 cpuflags="-mcpu=$cpu"
4510 elif enabled alpha; then
4512 cpuflags="-mcpu=$cpu"
4514 elif enabled arm; then
4517 check_cpp_condition stddef.h \
4518 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4523 if check_arm_arch 4; then echo armv4
4524 elif check_arm_arch 4T; then echo armv4t
4525 elif check_arm_arch 5; then echo armv5
4526 elif check_arm_arch 5E; then echo armv5e
4527 elif check_arm_arch 5T; then echo armv5t
4528 elif check_arm_arch 5TE; then echo armv5te
4529 elif check_arm_arch 5TEJ; then echo armv5te
4530 elif check_arm_arch 6; then echo armv6
4531 elif check_arm_arch 6J; then echo armv6j
4532 elif check_arm_arch 6K; then echo armv6k
4533 elif check_arm_arch 6Z; then echo armv6z
4534 elif check_arm_arch 6ZK; then echo armv6zk
4535 elif check_arm_arch 6T2; then echo armv6t2
4536 elif check_arm_arch 7; then echo armv7
4537 elif check_arm_arch 7A 7_A; then echo armv7-a
4538 elif check_arm_arch 7S; then echo armv7-a
4539 elif check_arm_arch 7R 7_R; then echo armv7-r
4540 elif check_arm_arch 7M 7_M; then echo armv7-m
4541 elif check_arm_arch 7EM 7E_M; then echo armv7-m
4542 elif check_arm_arch 8A 8_A; then echo armv8-a
4546 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4550 cpuflags="-march=$cpu"
4551 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4554 cpuflags="-mcpu=$cpu"
4556 cortex-a*) subarch=armv7a ;;
4557 cortex-r*) subarch=armv7r ;;
4558 cortex-m*) enable thumb; subarch=armv7m ;;
4559 arm11*) subarch=armv6 ;;
4560 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4561 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4562 *) subarch=$(probe_arm_arch) ;;
4568 armv5t*) enable fast_clz ;;
4571 disabled fast_unaligned || enable fast_unaligned
4575 elif enabled avr32; then
4580 cpuflags="-mpart=$cpu"
4584 cpuflags="-march=$cpu"
4588 cpuflags="-mcpu=$cpu"
4592 cpuflags="-march=$cpu"
4596 elif enabled bfin; then
4598 cpuflags="-mcpu=$cpu"
4600 elif enabled mips; then
4602 cpuflags="-march=$cpu"
4604 if [ "$cpu" != "generic" ]; then
4614 24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)
4625 enable local_aligned
4626 enable simd_align_16
4630 enable fast_unaligned
4631 disable aligned_stack
4637 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4640 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4643 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4648 # Unknown CPU. Disable everything.
4649 warn "unknown CPU. Disabling all MIPS optimizations."
4672 24kef*|34kf*|1004kf*)
4680 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"
4684 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4688 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4692 # We do not disable anything. Is up to the user to disable the unwanted features.
4693 warn 'generic cpu selected'
4696 elif enabled ppc; then
4700 case $(tolower $cpu) in
4701 601|ppc601|powerpc601)
4702 cpuflags="-mcpu=601"
4705 603*|ppc603*|powerpc603*)
4706 cpuflags="-mcpu=603"
4709 604*|ppc604*|powerpc604*)
4710 cpuflags="-mcpu=604"
4713 g3|75*|ppc75*|powerpc75*)
4714 cpuflags="-mcpu=750"
4717 g4|745*|ppc745*|powerpc745*)
4718 cpuflags="-mcpu=7450"
4721 74*|ppc74*|powerpc74*)
4722 cpuflags="-mcpu=7400"
4725 g5|970|ppc970|powerpc970)
4726 cpuflags="-mcpu=970"
4730 cpuflags="-mcpu=$cpu"
4734 cpuflags="-mcpu=$cpu"
4737 cpuflags="-mcpu=cell"
4742 cpuflags="-mcpu=e500mc"
4746 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4751 cpuflags="-mcpu=8540 -mhard-float"
4757 elif enabled sparc; then
4760 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4761 cpuflags="-mcpu=$cpu"
4763 ultrasparc*|niagara[234])
4764 cpuflags="-mcpu=$cpu"
4768 elif enabled x86; then
4772 cpuflags="-march=$cpu"
4776 # targets that do NOT support nopl and conditional mov (cmov)
4777 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4778 cpuflags="-march=$cpu"
4781 # targets that do support nopl and conditional mov (cmov)
4782 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4783 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\
4784 |amdfam10|barcelona|b[dt]ver*|znver*)
4785 cpuflags="-march=$cpu"
4789 # targets that do support conditional mov but on which it's slow
4790 pentium4|pentium4m|prescott|nocona)
4791 cpuflags="-march=$cpu"
4799 if [ "$cpu" != generic ]; then
4800 add_cflags $cpuflags
4801 add_asflags $cpuflags
4802 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4805 # compiler sanity check
4807 int main(void){ return 0; }
4809 if test "$?" != 0; then
4810 echo "$cc is unable to create an executable file."
4811 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4812 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4813 echo "Only do this if you know what cross compiling means."
4815 die "C compiler test failed."
4818 add_cppflags -D_ISOC99_SOURCE
4819 add_cxxflags -D__STDC_CONSTANT_MACROS
4820 check_cxxflags -std=c++11 || check_cxxflags -std=c++0x
4822 # some compilers silently accept -std=c11, so we also need to check that the
4823 # version macro is defined properly
4824 test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L" &&
4825 add_cflags -std=c11 ||
4826 check_cflags -std=c99
4828 check_cppflags -D_FILE_OFFSET_BITS=64
4829 check_cppflags -D_LARGEFILE_SOURCE
4831 add_host_cppflags -D_ISOC99_SOURCE
4832 check_host_cflags -std=c99
4833 check_host_cflags -Wall
4834 check_host_cflags $host_cflags_speed
4840 check_code cc "" "int test[2*($expr) - 1]" &&
4841 subarch=$arch64 || subarch=$arch32
4847 enabled shared && enable_weak pic
4850 check_64bit mips mips64 '_MIPS_SIM > 1'
4851 enabled shared && enable_weak pic
4854 check_64bit parisc parisc64 'sizeof(void *) > 4'
4855 enabled shared && enable_weak pic
4858 check_64bit ppc ppc64 'sizeof(void *) > 4'
4859 enabled shared && enable_weak pic
4862 check_64bit s390 s390x 'sizeof(void *) > 4'
4863 enabled shared && enable_weak pic
4866 check_64bit sparc sparc64 'sizeof(void *) > 4'
4867 enabled shared && enable_weak pic
4870 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4871 # Treat x32 as x64 for now. Note it also needs pic if shared
4872 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4873 subarch=x86_64 && enable x86_64 && disable x86_32
4874 if enabled x86_64; then
4875 enabled shared && enable_weak pic
4885 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4886 enabled shared && add_ldflags -Wl,-brtl
4887 arflags='-Xany -r -c'
4891 enable section_data_rel_ro
4892 SLIB_INSTALL_NAME='$(SLIBNAME)'
4894 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
4897 prefix_default="/boot/common"
4898 network_extralibs="-lnetwork"
4902 SHFLAGS='-shared -Wl,-h,$$(@F)'
4903 enabled x86 && append SHFLAGS -mimpure-text
4904 network_extralibs="-lsocket -lnsl"
4905 add_cppflags -D__EXTENSIONS__
4906 # When using suncc to build, the Solaris linker will mark
4907 # an executable with each instruction set encountered by
4908 # the Solaris assembler. As our libraries contain their own
4909 # guards for processor-specific code, instead suppress
4910 # generation of the HWCAPS ELF section on Solaris x86 only.
4911 enabled_all suncc x86 &&
4912 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4913 add_ldflags -Wl,-M,mapfile
4914 nm_default='nm -P -g'
4916 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
4920 oss_indev_extralibs="-lossaudio"
4921 oss_outdev_extralibs="-lossaudio"
4922 enabled gcc || check_ldflags -Wl,-zmuldefs
4927 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4929 oss_indev_extralibs="-lossaudio"
4930 oss_outdev_extralibs="-lossaudio"
4938 add_extralibs -lpoll -lgnugetopt
4942 enabled ppc && add_asflags -force_cpusubtype_ALL
4943 install_name_dir_default='$(SHLIBDIR)'
4944 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4945 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4947 add_ldflags -Wl,-dynamic,-search_paths_first
4948 check_cflags -Werror=partial-availability
4950 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4951 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4952 enabled x86_64 && objformat="macho64" || objformat="macho32"
4953 enabled_any pic shared x86_64 ||
4954 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4955 check_header dispatch/dispatch.h &&
4956 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
4957 if test -n "$sysroot"; then
4958 is_in -isysroot $cc $CPPFLAGS $CFLAGS || check_cppflags -isysroot $sysroot
4959 is_in -isysroot $ld $LDFLAGS || check_ldflags -isysroot $sysroot
4961 version_script='-exported_symbols_list'
4962 VERSION_SCRIPT_POSTPROCESS_CMD='tr " " "\n" | sed -n /global:/,/local:/p | grep ";" | tr ";" "\n" | sed -E "s/(.+)/_\1/g" | sed -E "s/(.+[^*])$$$$/\1*/"'
4965 die "Native MSYS builds are discouraged, please use the MINGW environment."
4969 if enabled shared; then
4970 # Cannot build both shared and static libs when using dllimport.
4973 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4974 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4975 shlibdir_default="$bindir_default"
4978 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4979 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4980 SLIB_EXTRA_CMD='cp $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4981 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4983 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4984 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4985 SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" AR="$(AR_CMD)" NM="$(NM_CMD)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4986 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--disable-auto-image-base $$(@:$(SLIBSUF)=.def)'
4987 enabled x86_64 && objformat="win64" || objformat="win32"
4990 check_ldflags -Wl,--nxcompat,--dynamicbase
4991 # Lets work around some stupidity in binutils.
4992 # ld will strip relocations from executables even though we need them
4993 # for dynamicbase (ASLR). Using -pie does retain the reloc section
4994 # however ld then forgets what the entry point should be (oops) so we
4995 # have to manually (re)set it.
4996 if enabled x86_32; then
4997 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
4998 elif enabled x86_64; then
4999 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
5000 check_ldflags -Wl,--high-entropy-va # binutils 2.25
5001 # Set image base >4GB for extra entropy with HEASLR
5002 add_ldexeflags -Wl,--image-base,0x140000000
5003 append SHFLAGS -Wl,--image-base,0x180000000
5008 if enabled shared; then
5009 # Link to the import library instead of the normal static library
5012 # Cannot build both shared and static libs with MSVC or icl.
5015 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
5016 shlibdir_default="$bindir_default"
5019 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5020 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5021 SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
5022 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5024 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
5025 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
5026 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
5027 enabled x86_64 && objformat="win64" || objformat="win32"
5033 shlibdir_default="$bindir_default"
5036 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5037 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5038 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5040 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
5041 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
5042 enabled x86_64 && objformat="win64" || objformat="win32"
5044 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
5045 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5047 *-dos|freedos|opendos)
5048 network_extralibs="-lsocket"
5051 add_cppflags -U__STRICT_ANSI__
5054 enable section_data_rel_ro
5055 enabled_any arm aarch64 && enable_weak linux_perf
5059 ranlib="echo ignoring ranlib"
5065 add_cppflags -D_GNU_SOURCE
5066 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap
5067 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
5071 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5072 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
5073 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \
5074 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \
5075 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \
5076 echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \
5077 emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def'
5078 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \
5079 emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;'
5080 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5082 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib'
5084 enable_weak os2threads
5087 add_cppflags -D_BSD_SOURCE
5092 add_cppflags -D_QNX_SOURCE
5093 network_extralibs="-lsocket"
5098 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
5099 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
5100 add_ldflags -Wl,--target1-abs,--no-undefined \
5101 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
5102 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
5103 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
5104 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
5105 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
5112 die "Unknown OS '$target_os'."
5116 # test if creating links works
5117 link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)
5118 link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)
5120 $ln_s "$link_dest" "$link_name"
5121 touch "$link_dest/test_file"
5122 if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then
5123 # create link to source path
5124 [ -e src ] && rm src
5125 $ln_s "$source_path" src
5128 # creating directory links doesn't work
5129 # fall back to using the full source path
5130 source_link="$source_path"
5136 # determine libc flavour
5141 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
5142 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
5143 eval ${pfx}libc_type=uclibc
5144 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5145 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
5146 eval ${pfx}libc_type=glibc
5147 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5148 # MinGW headers can be installed on Cygwin, so check for newlib first.
5149 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
5150 eval ${pfx}libc_type=newlib
5151 add_${pfx}cppflags -U__STRICT_ANSI__ -D_XOPEN_SOURCE=600
5152 # MinGW64 is backwards compatible with MinGW32, so check for it first.
5153 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
5154 eval ${pfx}libc_type=mingw64
5155 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
5156 add_compat msvcrt/snprintf.o
5157 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
5159 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5160 eval test \$${pfx_no_}cc_type = "gcc" &&
5161 add_${pfx}cppflags -D__printf__=__gnu_printf__
5162 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
5163 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
5164 eval ${pfx}libc_type=mingw32
5165 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
5166 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
5167 die "ERROR: MinGW32 runtime version must be >= 3.15."
5168 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5169 check_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700" &&
5170 add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700
5171 check_${pfx}cpp_condition windows.h "defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0502" &&
5172 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
5173 eval test \$${pfx_no_}cc_type = "gcc" &&
5174 add_${pfx}cppflags -D__printf__=__gnu_printf__
5175 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
5176 eval ${pfx}libc_type=msvcrt
5177 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
5178 if [ "$pfx" = host_ ]; then
5179 add_host_cppflags -Dsnprintf=_snprintf
5181 add_compat strtod.o strtod=avpriv_strtod
5182 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
5183 _snprintf=avpriv_snprintf \
5184 vsnprintf=avpriv_vsnprintf
5187 add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS
5188 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
5189 # 0x601 by default unless something else is set by the user.
5190 # This can easily lead to us detecting functions only present
5191 # in such new versions and producing binaries requiring windows 7.0.
5192 # Therefore explicitly set the default to XP unless the user has
5193 # set something else on the command line.
5194 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
5195 # family. For these cases, configure is free to use any functions
5196 # found in the SDK headers by default. (Alternatively, we could force
5197 # _WIN32_WINNT to 0x0602 in that case.)
5198 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
5199 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }
5200 #ifdef WINAPI_FAMILY
5201 #include <winapifamily.h>
5202 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
5207 if [ "$pfx" = "" ]; then
5208 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
5209 check_func strtoull || add_cflags -Dstrtoull=_strtoui64
5211 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
5212 eval ${pfx}libc_type=klibc
5213 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
5214 eval ${pfx}libc_type=bionic
5215 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
5216 eval ${pfx}libc_type=solaris
5217 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
5219 check_${pfx}cc <<EOF
5221 void *v = localtime_r;
5223 test "$?" != 0 && check_${pfx}cc -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 <<EOF && add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5225 void *v = localtime_r;
5228 eval test -n "\${${pfx}libc_type}" && enable ${pfx}libc_${libc_type}
5234 # hacks for compiler/libc/os combinations
5238 add_compat strtod.o strtod=avpriv_strtod
5242 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
5243 add_cppflags '-I\$(SRC_PATH)/compat/float'
5245 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
5248 : ${shlibdir_default:="$libdir"}
5249 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
5251 set_default $PATHS_LIST
5254 disabled optimizations || enabled ossfuzz || check_cflags -fomit-frame-pointer
5257 disabled pic && return
5260 case "$target_os" in
5261 mingw*|cygwin*|win*)
5270 enabled pic && enable_weak_pic
5272 check_cc <<EOF || die "Symbol mangling check failed."
5275 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
5276 extern_prefix=${sym%%ff_extern*}
5278 ! disabled inline_asm && check_inline_asm inline_asm '"" ::'
5281 for restrict_keyword in restrict __restrict__ __restrict; do
5282 check_cc <<EOF && _restrict=$restrict_keyword && break
5283 void foo(char * $restrict_keyword p);
5287 check_cc <<EOF && enable pragma_deprecated
5288 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
5291 check_cc <<EOF || die "endian test failed"
5292 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
5294 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
5296 check_cc <<EOF && enable const_nan
5298 void foo(void) { struct { double d; } static const bar[] = { { NAN } }; }
5301 if ! enabled ppc64 || enabled bigendian; then
5306 log "check_gas using '$as' as AS"
5307 # :vararg is used on aarch64, arm and ppc altivec
5308 check_as <<EOF || return 1
5309 .macro m n, y:vararg=0
5314 # .altmacro is only used in arm asm
5315 ! enabled arm || check_as <<EOF || return 1
5322 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
5324 enabled_any arm aarch64 && nogas=die
5325 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
5329 arm*) gaspp_as_type=armasm; as_noop=-h ;;
5330 gcc) gaspp_as_type=gas ;;
5331 *) gaspp_as_type=$as_type ;;
5334 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
5336 test "${as#*gas-preprocessor.pl}" != "$as" ||
5337 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
5338 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
5340 if ! check_gas ; then
5343 $nogas "GNU assembler not found, install/update gas-preprocessor"
5346 check_as <<EOF && enable as_func
5352 check_inline_asm inline_asm_labels '"1:\n"'
5354 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
5356 if enabled aarch64; then
5357 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
5358 # internal assembler in clang 3.3 does not support this instruction
5359 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
5360 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
5362 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
5364 elif enabled alpha; then
5368 elif enabled arm; then
5370 enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb
5372 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
5373 float func(float a, float b){ return a+b; }
5376 enabled thumb && check_cflags -mthumb || check_cflags -marm
5378 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
5380 elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
5382 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
5383 case "${cross_prefix:-$cc}" in
5384 *hardfloat*) enable vfp_args; fpabi=vfp ;;
5385 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
5386 __asm__ (".eabi_attribute 28, 1");
5387 int main(void) { return 0; }
5390 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
5393 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
5394 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
5395 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
5396 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
5397 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
5398 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
5399 enabled setend && check_insn setend 'setend be'
5401 [ $target_os = linux ] || [ $target_os = android ] ||
5402 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
5405 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
5407 check_as <<EOF && enable as_arch_directive
5410 check_as <<EOF && enable as_fpu_directive
5414 # llvm's integrated assembler supports .object_arch from llvm 3.5
5415 [ "$objformat" = elf32 ] || [ "$objformat" = elf64 ] &&
5416 check_as <<EOF && enable as_object_arch
5420 # MS armasm fails to assemble our PIC constructs
5421 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
5423 elif enabled mips; then
5425 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
5426 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
5427 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
5429 # Enable minimum ISA based on selected options
5430 if enabled mips64; then
5431 enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'
5432 enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'
5433 disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'
5435 enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'
5436 enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'
5437 enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'
5438 disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'
5441 enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'
5442 enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'
5443 enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_header msa.h || disable msa
5444 enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'
5445 enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'
5447 if enabled bigendian && enabled msa; then
5451 elif enabled parisc; then
5453 if enabled gcc; then
5454 case $($cc -dumpversion) in
5455 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
5459 elif enabled ppc; then
5461 enable local_aligned
5463 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
5464 check_inline_asm ibm_asm '"add 0, 0, 0"'
5465 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
5466 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
5468 if enabled altivec; then
5469 check_cflags -maltivec -mabi=altivec
5471 # check if our compiler supports Motorola AltiVec C API
5472 check_code cc altivec.h "vector signed int v1 = (vector signed int) { 0 };
5473 vector signed int v2 = (vector signed int) { 1 };
5474 v1 = vec_add(v1, v2);" ||
5477 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
5480 if enabled vsx; then
5481 check_cflags -mvsx &&
5482 check_code cc altivec.h "int v[4] = { 0 };
5483 vector signed int v1 = vec_vsx_ld(0, v);" ||
5487 if enabled power8; then
5488 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
5491 elif enabled x86; then
5493 check_builtin rdtsc intrin.h "__rdtsc()"
5494 check_builtin mm_empty mmintrin.h "_mm_empty()"
5496 enable local_aligned
5498 # check whether EBP is available on x86
5499 # As 'i' is stored on the stack, this program will crash
5500 # if the base pointer is used to access it because the
5501 # base pointer is cleared in the inline assembly code.
5502 check_exec_crash <<EOF && enable ebp_available
5504 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
5508 # check whether EBX is available on x86
5509 check_inline_asm ebx_available '""::"b"(0)' &&
5510 check_inline_asm ebx_available '"":::"%ebx"'
5512 # check whether xmm clobbers are supported
5513 check_inline_asm xmm_clobbers '"":::"%xmm0"'
5515 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
5516 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
5518 # check whether binutils is new enough to compile SSSE3/MMXEXT
5519 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
5520 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
5524 if check_cmd $x86asmexe_probe -v; then
5525 x86asmexe=$x86asmexe_probe
5527 x86asm_debug="-g -F dwarf"
5529 X86ASM_DEPFLAGS='-MD $(@:.o=.d)'
5530 elif check_cmd $x86asmexe_probe --version; then
5531 x86asmexe=$x86asmexe_probe
5533 x86asm_debug="-g dwarf2"
5534 X86ASMDEP='$(DEPX86ASM) $(X86ASMFLAGS) -M $(X86ASM_O) $< > $(@:.o=.d)'
5537 check_x86asm "movbe ecx, [5]" && enable x86asm
5540 if ! disabled_any asm mmx x86asm; then
5542 for program in $x86asmexe nasm yasm; do
5543 probe_x86asm $program && break
5545 disabled x86asm && die "nasm/yasm not found or too old. Use --disable-x86asm for a crippled build."
5546 X86ASMFLAGS="-f $objformat"
5547 enabled pic && append X86ASMFLAGS "-DPIC"
5548 test -n "$extern_prefix" && append X86ASMFLAGS "-DPREFIX"
5549 case "$objformat" in
5550 elf*) enabled debug && append X86ASMFLAGS $x86asm_debug ;;
5553 check_x86asm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
5554 check_x86asm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
5555 check_x86asm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
5556 check_x86asm "CPU amdnop" || disable cpunop
5560 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
5567 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
5569 check_ldflags -Wl,--as-needed
5570 check_ldflags -Wl,-z,noexecstack
5572 if ! disabled network; then
5573 check_func getaddrinfo $network_extralibs
5574 check_func inet_aton $network_extralibs
5576 check_type netdb.h "struct addrinfo"
5577 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
5578 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
5579 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
5580 check_type poll.h "struct pollfd"
5581 check_type netinet/sctp.h "struct sctp_event_subscribe"
5582 check_struct "sys/socket.h" "struct msghdr" msg_flags
5583 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5584 check_type netinet/in.h "struct sockaddr_in6"
5585 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
5586 check_type "sys/types.h sys/socket.h" socklen_t
5588 # Prefer arpa/inet.h over winsock2
5589 if check_header arpa/inet.h ; then
5590 check_func closesocket
5591 elif check_header winsock2.h ; then
5592 check_func_headers winsock2.h closesocket -lws2 &&
5593 network_extralibs="-lws2" ||
5594 { check_func_headers winsock2.h closesocket -lws2_32 &&
5595 network_extralibs="-lws2_32"; } || disable winsock2_h network
5596 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
5598 check_type ws2tcpip.h socklen_t
5599 check_type ws2tcpip.h "struct addrinfo"
5600 check_type ws2tcpip.h "struct group_source_req"
5601 check_type ws2tcpip.h "struct ip_mreq_source"
5602 check_type ws2tcpip.h "struct ipv6_mreq"
5603 check_type winsock2.h "struct pollfd"
5604 check_struct winsock2.h "struct sockaddr" sa_len
5605 check_type ws2tcpip.h "struct sockaddr_in6"
5606 check_type ws2tcpip.h "struct sockaddr_storage"
5612 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
5613 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
5614 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
5615 check_builtin sarestart signal.h "SA_RESTART"
5616 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
5617 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
5618 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
5619 check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR"
5621 case "$custom_allocator" in
5623 # jemalloc by default does not use a prefix
5624 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
5627 require_pkg_config libtcmalloc libtcmalloc gperftools/tcmalloc.h tc_malloc
5632 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
5633 check_func ${malloc_prefix}memalign && enable memalign
5634 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5637 check_func_headers stdlib.h arc4random
5638 check_lib clock_gettime time.h clock_gettime || check_lib clock_gettime time.h clock_gettime -lrt
5641 check_func gethrtime
5643 check_func getrusage
5644 check_func gettimeofday
5649 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5650 check_func_headers time.h nanosleep || check_lib nanosleep time.h nanosleep -lrt
5651 check_func sched_getaffinity
5652 check_func setrlimit
5653 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5654 check_func strerror_r
5659 check_func_headers conio.h kbhit
5660 check_func_headers io.h setmode
5661 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5662 check_func_headers mach/mach_time.h mach_absolute_time
5663 check_func_headers stdlib.h getenv
5664 check_func_headers sys/stat.h lstat
5666 check_func_headers windows.h GetProcessAffinityMask
5667 check_func_headers windows.h GetProcessTimes
5668 check_func_headers windows.h GetSystemTimeAsFileTime
5669 check_func_headers windows.h LoadLibrary
5670 check_func_headers windows.h MapViewOfFile
5671 check_func_headers windows.h PeekNamedPipe
5672 check_func_headers windows.h SetConsoleTextAttribute
5673 check_func_headers windows.h SetConsoleCtrlHandler
5674 check_func_headers windows.h Sleep
5675 check_func_headers windows.h VirtualAlloc
5676 check_struct windows.h "CONDITION_VARIABLE" Ptr
5677 check_func_headers glob.h glob
5679 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5681 check_header direct.h
5682 check_header dirent.h
5683 check_header dxgidebug.h
5685 check_header dxva2api.h -D_WIN32_WINNT=0x0600
5687 check_header libcrystalhd/libcrystalhd_if.h
5688 check_header malloc.h
5689 check_header net/udplite.h
5691 check_header sys/param.h
5692 check_header sys/resource.h
5693 check_header sys/select.h
5694 check_header sys/time.h
5695 check_header sys/un.h
5696 check_header termios.h
5697 check_header unistd.h
5698 check_header valgrind/valgrind.h
5699 check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox
5700 check_header windows.h
5701 check_header X11/extensions/XvMClib.h
5702 check_header asm/types.h
5704 # it seems there are versions of clang in some distros that try to use the
5705 # gcc headers, which explodes for stdatomic
5706 # so we also check that atomics actually work here
5707 check_builtin stdatomic stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0)"
5709 check_lib advapi32 "windows.h" RegCloseKey -ladvapi32
5710 check_lib ole32 "windows.h" CoTaskMemFree -lole32
5711 check_lib shell32 "windows.h shellapi.h" CommandLineToArgvW -lshell32
5712 check_lib wincrypt "windows.h wincrypt.h" CryptGenRandom -ladvapi32
5713 check_lib psapi "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5715 enabled appkit && check_apple_framework AppKit
5716 enabled audiotoolbox && check_apple_framework AudioToolbox
5717 enabled avfoundation && check_apple_framework AVFoundation
5718 enabled coreimage && check_apple_framework CoreImage
5719 enabled videotoolbox && check_apple_framework VideoToolbox
5721 check_apple_framework CoreFoundation
5722 check_apple_framework CoreMedia
5723 check_apple_framework CoreVideo
5725 enabled avfoundation && {
5726 disable coregraphics applicationservices
5727 check_lib coregraphics CoreGraphics/CoreGraphics.h CGGetActiveDisplayList "-framework CoreGraphics" ||
5728 check_lib applicationservices ApplicationServices/ApplicationServices.h CGGetActiveDisplayList "-framework ApplicationServices"; }
5730 enabled videotoolbox && {
5731 check_lib coreservices CoreServices/CoreServices.h UTGetOSTypeFromString "-framework CoreServices"
5732 check_func_headers CoreMedia/CMFormatDescription.h kCMVideoCodecType_HEVC "-framework CoreMedia"
5735 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
5737 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5738 check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5739 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
5740 check_type "windows.h d3d11.h" "ID3D11VideoContext"
5741 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
5743 check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC"
5744 check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth
5745 check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"
5746 check_type "va/va.h va/va_enc_h264.h" "VAEncPictureParameterBufferH264"
5747 check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"
5748 check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"
5749 check_type "va/va.h va/va_enc_mpeg2.h" "VAEncPictureParameterBufferMPEG2"
5750 check_type "va/va.h va/va_enc_vp8.h" "VAEncPictureParameterBufferVP8"
5751 check_type "va/va.h va/va_enc_vp9.h" "VAEncPictureParameterBufferVP9"
5753 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
5755 check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt
5757 if ! disabled w32threads && ! enabled pthreads; then
5758 check_func_headers "windows.h process.h" _beginthreadex &&
5759 enable w32threads || disable w32threads
5760 if ! enabled w32threads && enabled winrt; then
5761 check_func_headers "windows.h" CreateThread &&
5762 enable w32threads || disable w32threads
5766 # check for some common methods of building with pthread support
5767 # do this before the optional library checks as some of them require pthreads
5768 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
5769 if check_lib pthreads pthread.h pthread_join -pthread &&
5770 check_lib pthreads pthread.h pthread_create -pthread; then
5772 elif check_lib pthreads pthread.h pthread_join -pthreads &&
5773 check_lib pthreads pthread.h pthread_create -pthreads; then
5774 add_cflags -pthreads
5775 elif check_lib pthreads pthread.h pthread_join -ldl -pthread &&
5776 check_lib pthreads pthread.h pthread_create -ldl -pthread; then
5777 add_cflags -ldl -pthread
5778 elif check_lib pthreads pthread.h pthread_join -lpthreadGC2 &&
5779 check_lib pthreads pthread.h pthread_create -lpthreadGC2; then
5781 elif check_lib pthreads pthread.h pthread_join -lpthread &&
5782 check_lib pthreads pthread.h pthread_create -lpthread; then
5784 elif check_func pthread_join && check_func pthread_create; then
5787 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
5789 if enabled pthreads; then
5790 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" $pthreads_extralibs
5791 check_func pthread_cancel $pthreads_extralibs
5795 enabled zlib && check_lib zlib zlib.h zlibVersion -lz
5796 enabled bzlib && check_lib bzlib bzlib.h BZ2_bzlibVersion -lbz2
5797 enabled lzma && check_lib lzma lzma.h lzma_version_number -llzma
5799 # On some systems dynamic loading requires no extra linker flags
5800 check_lib libdl dlfcn.h "dlopen dlsym" || check_lib libdl dlfcn.h "dlopen dlsym" -ldl
5802 check_lib libm math.h sin -lm
5810 for func in $MATH_FUNCS; do
5811 eval check_mathfunc $func \${${func}_args:-1} $libm_extralibs
5814 for func in $COMPLEX_FUNCS; do
5815 eval check_complexfunc $func \${${func}_args:-1}
5818 # these are off by default, so fail if requested and not available
5819 enabled cuda_sdk && require cuda_sdk cuda.h cuCtxCreate -lcuda
5820 enabled cuvid && { enabled cuda ||
5821 die "ERROR: CUVID requires CUDA"; }
5822 enabled nvdec && { enabled cuda ||
5823 die "ERROR: NVDEC hwaccel requires CUDA"; }
5824 enabled chromaprint && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
5825 enabled decklink && { require_header DeckLinkAPI.h &&
5826 { check_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a060100" || die "ERROR: Decklink API version must be >= 10.6.1."; } }
5827 enabled libndi_newtek && require_header Processing.NDI.Lib.h
5828 enabled frei0r && require_header frei0r.h
5829 enabled gmp && require gmp gmp.h mpz_export -lgmp
5830 enabled gnutls && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init
5831 enabled jni && { [ $target_os = "android" ] && check_header jni.h && enabled pthreads || die "ERROR: jni not found"; }
5832 enabled ladspa && require_header ladspa.h
5833 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
5834 enabled libass && require_pkg_config libass libass ass/ass.h ass_library_init
5835 enabled libbluray && require_pkg_config libbluray libbluray libbluray/bluray.h bd_open
5836 enabled libbs2b && require_pkg_config libbs2b libbs2b bs2b.h bs2b_open
5837 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
5838 { check_lib libcelt celt/celt.h celt_decoder_create_custom -lcelt0 ||
5839 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
5840 enabled libcaca && require_pkg_config libcaca caca caca.h caca_create_canvas
5841 enabled libdc1394 && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new
5842 enabled libdrm && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion
5843 enabled libfdk_aac && { check_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
5844 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
5845 warn "using libfdk without pkg-config"; } }
5846 flite_extralibs="-lflite_cmu_time_awb -lflite_cmu_us_awb -lflite_cmu_us_kal -lflite_cmu_us_kal16 -lflite_cmu_us_rms -lflite_cmu_us_slt -lflite_usenglish -lflite_cmulex -lflite"
5847 enabled libflite && require libflite "flite/flite.h" flite_init $flite_extralibs
5848 enabled fontconfig && enable libfontconfig
5849 enabled libfontconfig && require_pkg_config libfontconfig fontconfig "fontconfig/fontconfig.h" FcInit
5850 enabled libfreetype && require_pkg_config libfreetype freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType
5851 enabled libfribidi && require_pkg_config libfribidi fribidi fribidi.h fribidi_version_info
5852 enabled libgme && { check_pkg_config libgme libgme gme/gme.h gme_new_emu ||
5853 require libgme gme/gme.h gme_new_emu -lgme -lstdc++; }
5854 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
5855 check_lib libgsm "${gsm_hdr}" gsm_create -lgsm && break;
5856 done || die "ERROR: libgsm not found"; }
5857 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc $pthreads_extralibs
5858 enabled libkvazaar && require_pkg_config libkvazaar "kvazaar >= 0.8.1" kvazaar.h kvz_api_get
5859 # While it may appear that require is being used as a pkg-config
5860 # fallback for libmfx, it is actually being used to detect a different
5861 # installation route altogether. If libmfx is installed via the Intel
5862 # Media SDK or Intel Media Server Studio, these don't come with
5863 # pkg-config support. Instead, users should make sure that the build
5864 # can find the libraries and headers through other means.
5865 enabled libmfx && { check_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit ||
5866 { require libmfx "mfx/mfxvideo.h" MFXInit "-llibmfx $advapi32_extralibs" && warn "using libmfx without pkg-config"; } }
5867 enabled libmodplug && require_pkg_config libmodplug libmodplug libmodplug/modplug.h ModPlug_Load
5868 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
5869 enabled libmysofa && require libmysofa "mysofa.h" mysofa_load -lmysofa $zlib_extralibs
5870 enabled libnpp && { check_lib libnpp npp.h nppGetLibVersion -lnppig -lnppicc -lnppc ||
5871 check_lib libnpp npp.h nppGetLibVersion -lnppi -lnppc ||
5872 die "ERROR: libnpp not found"; }
5873 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
5874 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
5875 enabled libopencv && { check_header opencv2/core/core_c.h &&
5876 { check_pkg_config libopencv opencv opencv2/core/core_c.h cvCreateImageHeader ||
5877 require libopencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||
5878 require_pkg_config libopencv opencv opencv/cxcore.h cvCreateImageHeader; }
5879 enabled libopenh264 && require_pkg_config libopenh264 openh264 wels/codec_api.h WelsGetCodecVersion
5880 enabled libopenjpeg && { check_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version ||
5881 { require_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } }
5882 enabled libopenmpt && require_pkg_config libopenmpt "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create -lstdc++ && append libopenmpt_extralibs "-lstdc++"
5883 enabled libopus && {
5884 enabled libopus_decoder && {
5885 require_pkg_config libopus opus opus_multistream.h opus_multistream_decoder_create
5887 enabled libopus_encoder && {
5888 require_pkg_config libopus opus opus_multistream.h opus_multistream_surround_encoder_create
5891 enabled libpulse && require_pkg_config libpulse libpulse pulse/pulseaudio.h pa_context_new
5892 enabled librsvg && require_pkg_config librsvg librsvg-2.0 librsvg-2.0/librsvg/rsvg.h rsvg_handle_render_cairo
5893 enabled librtmp && require_pkg_config librtmp librtmp librtmp/rtmp.h RTMP_Socket
5894 enabled librubberband && require_pkg_config librubberband "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new -lstdc++ && append librubberband_extralibs "-lstdc++"
5895 enabled libshine && require_pkg_config libshine shine shine/layer3.h shine_encode_buffer
5896 enabled libsmbclient && { check_pkg_config libsmbclient smbclient libsmbclient.h smbc_init ||
5897 require libsmbclient libsmbclient.h smbc_init -lsmbclient; }
5898 enabled libsnappy && require libsnappy snappy-c.h snappy_compress -lsnappy -lstdc++
5899 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
5900 enabled libssh && require_pkg_config libssh libssh libssh/sftp.h sftp_init
5901 enabled libspeex && require_pkg_config libspeex speex speex/speex.h speex_decoder_init
5902 enabled libtesseract && require_pkg_config libtesseract tesseract tesseract/capi.h TessBaseAPICreate
5903 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
5904 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
5905 { check_lib libtwolame twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
5906 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
5907 enabled libv4l2 && require_pkg_config libv4l2 libv4l2 libv4l2.h v4l2_ioctl
5908 enabled libvidstab && require_pkg_config libvidstab "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
5909 enabled libvmaf && require_pkg_config libvmaf libvmaf libvmaf.h compute_vmaf
5910 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
5911 enabled libvorbis && require_pkg_config libvorbis vorbis vorbis/codec.h vorbis_info_init &&
5912 require_pkg_config libvorbisenc vorbisenc vorbis/vorbisenc.h vorbis_encode_init
5915 enabled libvpx_vp8_decoder && {
5916 check_pkg_config libvpx_vp8_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
5917 check_lib libvpx_vp8_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||
5918 die "ERROR: libvpx decoder version must be >=1.4.0";
5920 enabled libvpx_vp8_encoder && {
5921 check_pkg_config libvpx_vp8_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
5922 check_lib libvpx_vp8_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_IMG_FMT_HIGHBITDEPTH" -lvpx ||
5923 die "ERROR: libvpx encoder version must be >=1.4.0";
5925 enabled libvpx_vp9_decoder && {
5926 check_pkg_config libvpx_vp9_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
5927 check_lib libvpx_vp9_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx VPX_IMG_FMT_HIGHBITDEPTH" -lvpx
5929 enabled libvpx_vp9_encoder && {
5930 check_pkg_config libvpx_vp9_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
5931 check_lib libvpx_vp9_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VPX_IMG_FMT_HIGHBITDEPTH" -lvpx
5933 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
5934 die "libvpx enabled but no supported decoders found"
5938 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
5939 enabled libwebp && {
5940 enabled libwebp_encoder && require_pkg_config libwebp "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
5941 enabled libwebp_anim_encoder && check_pkg_config libwebp_anim_encoder "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit; }
5942 enabled libx264 && { check_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode ||
5943 { require libx264 "stdint.h x264.h" x264_encoder_encode -lx264 &&
5944 warn "using libx264 without pkg-config"; } } &&
5945 require_cpp_condition x264.h "X264_BUILD >= 118" &&
5946 { check_cpp_condition x264.h "X264_MPEG2" &&
5948 enabled libx265 && require_pkg_config libx265 x265 x265.h x265_api_get &&
5949 require_cpp_condition x265.h "X265_BUILD >= 68"
5950 enabled libxavs && require libxavs "stdint.h xavs.h" xavs_encoder_encode "-lxavs $pthreads_extralibs $libm_extralibs"
5951 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
5952 enabled libzimg && require_pkg_config libzimg "zimg >= 2.3.0" zimg.h zimg_get_api_version
5953 enabled libzmq && require_pkg_config libzmq libzmq zmq.h zmq_ctx_new
5954 enabled libzvbi && require_pkg_config libzvbi zvbi-0.2 libzvbi.h vbi_decoder_new &&
5955 { check_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||
5956 enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }
5957 enabled libxml2 && require_pkg_config libxml2 libxml-2.0 libxml2/libxml/xmlversion.h xmlCheckVersion
5958 enabled mediacodec && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }
5959 enabled mmal && { check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
5960 { ! enabled cross_compile &&
5961 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline &&
5962 add_ldflags -L/opt/vc/lib/ &&
5963 check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host; } ||
5964 die "ERROR: mmal not found" &&
5965 check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"; }
5966 enabled openal && { { for al_extralibs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
5967 check_lib openal 'AL/al.h' alGetError "${al_extralibs}" && break; done } ||
5968 die "ERROR: openal not found"; } &&
5969 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
5970 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
5971 enabled opencl && { check_lib opencl OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
5972 check_lib opencl CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
5973 die "ERROR: opencl not found"; } &&
5974 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
5975 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
5976 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
5977 enabled opengl && { check_lib opengl GL/glx.h glXGetProcAddress "-lGL" ||
5978 check_lib opengl windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
5979 check_lib opengl OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
5980 check_lib opengl ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
5981 die "ERROR: opengl not found."
5983 enabled omx && require_header OMX_Core.h
5984 enabled omx_rpi && { check_header OMX_Core.h ||
5985 { ! enabled cross_compile && add_cflags -isystem/opt/vc/include/IL && check_header OMX_Core.h ; } ||
5986 die "ERROR: OpenMAX IL headers not found"; } && enable omx
5987 enabled openssl && { check_pkg_config openssl openssl openssl/ssl.h OPENSSL_init_ssl ||
5988 check_pkg_config openssl openssl openssl/ssl.h SSL_library_init ||
5989 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto ||
5990 check_lib openssl openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
5991 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
5992 die "ERROR: openssl not found"; }
5993 enabled rkmpp && { { require_pkg_config rkmpp rockchip_mpp rockchip/rk_mpi.h mpp_create ||
5994 die "ERROR : Rockchip MPP was not found."; } &&
5995 { check_func_headers rockchip/rk_mpi_cmd.h "MPP_DEC_GET_FREE_PACKET_SLOT_COUNT" ||
5996 die "ERROR: Rockchip MPP is outdated, please get a more recent one."; } &&
5998 die "ERROR: rkmpp requires --enable-libdrm"; }
6001 if enabled gcrypt; then
6002 GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"
6003 if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then
6004 gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)
6005 gcrypt_extralibs=$("${GCRYPT_CONFIG}" --libs)
6006 check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_extralibs ||
6007 die "ERROR: gcrypt not found"
6008 add_cflags $gcrypt_cflags
6010 require gcrypt gcrypt.h gcry_mpi_new -lgcrypt
6014 if enabled sdl2; then
6015 SDL2_CONFIG="${cross_prefix}sdl2-config"
6016 if test_pkg_config sdl2 "sdl2 >= 2.0.1 sdl2 < 2.1.0" SDL_events.h SDL_PollEvent; then
6017 check_func SDL_Init $sdl2_extralibs $sdl2_cflags ||
6019 elif "${SDL2_CONFIG}" --version > /dev/null 2>&1; then
6020 sdl2_cflags=$("${SDL2_CONFIG}" --cflags)
6021 sdl2_extralibs=$("${SDL2_CONFIG}" --libs)
6022 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&
6023 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&
6024 check_func SDL_Init $sdl2_extralibs $sdl2_cflags &&
6027 if test $target_os = "mingw32"; then
6028 sdl2_extralibs=$(filter_out '-mwindows' $sdl2_extralibs)
6032 if enabled decklink; then
6034 mingw32*|mingw64*|win32|win64)
6035 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
6036 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
6041 enabled securetransport &&
6042 check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
6043 check_lib securetransport "Security/SecureTransport.h Security/Security.h" "SSLCreateContext" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" ||
6044 disable securetransport
6046 enabled securetransport &&
6047 check_func SecItemImport "-Wl,-framework,CoreFoundation -Wl,-framework,Security"
6050 check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&
6051 check_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" &&
6052 schannel_extralibs="-lsecur32" ||
6055 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
6057 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
6058 && enable makeinfo_html || disable makeinfo_html
6059 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
6060 perl -v > /dev/null 2>&1 && enable perl || disable perl
6061 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
6062 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
6064 # check V4L2 codecs available in the API
6065 check_header linux/fb.h
6066 check_header linux/videodev2.h
6067 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6068 check_code cc linux/videodev2.h "int i = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_VIDEO_M2M | V4L2_BUF_FLAG_LAST;" || disable v4l2_m2m
6069 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VC1_ANNEX_G;" && enable vc1_v4l2_m2m
6070 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG1;" && enable mpeg1_v4l2_m2m
6071 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG2;" && enable mpeg2_v4l2_m2m
6072 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG4;" && enable mpeg4_v4l2_m2m
6073 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_HEVC;" && enable hevc_v4l2_m2m
6074 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_H263;" && enable h263_v4l2_m2m
6075 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_H264;" && enable h264_v4l2_m2m
6076 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VP8;" && enable vp8_v4l2_m2m
6077 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VP9;" && enable vp9_v4l2_m2m
6079 check_header sys/videoio.h
6080 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6082 check_lib user32 "windows.h winuser.h" GetShellWindow -luser32
6083 check_lib vfw32 "windows.h vfw.h" capCreateCaptureWindow -lvfw32
6084 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
6085 # w32api 3.12 had it defined wrong
6086 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
6088 check_type "dshow.h" IBaseFilter
6090 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
6091 check_header "dev/bktr/ioctl_meteor.h dev/bktr/ioctl_bt848.h" ||
6092 check_header "machine/ioctl_meteor.h machine/ioctl_bt848.h" ||
6093 check_header "dev/video/meteor/ioctl_meteor.h dev/video/bktr/ioctl_bt848.h" ||
6094 check_header "dev/ic/bt8xx.h"
6096 if check_struct sys/soundcard.h audio_buf_info bytes; then
6097 enable_sanitized sys/soundcard.h
6099 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_sanitized sys/soundcard.h
6100 #include <sys/soundcard.h>
6105 enabled alsa && check_pkg_config alsa alsa "alsa/asoundlib.h" snd_pcm_htimestamp ||
6106 check_lib alsa alsa/asoundlib.h snd_pcm_htimestamp -lasound
6109 require_pkg_config libjack jack jack/jack.h jack_port_get_latency_range
6111 enabled sndio && check_lib sndio sndio.h sio_open -lsndio
6113 if enabled libcdio; then
6114 check_pkg_config libcdio libcdio_paranoia "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open ||
6115 check_pkg_config libcdio libcdio_paranoia "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open ||
6116 check_lib libcdio "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6117 check_lib libcdio "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6118 die "ERROR: No usable libcdio/cdparanoia found"
6121 enabled libxcb && check_pkg_config libxcb "xcb >= 1.4" xcb/xcb.h xcb_connect ||
6122 disable libxcb_shm libxcb_shape libxcb_xfixes
6124 if enabled libxcb; then
6125 enabled libxcb_shm && check_pkg_config libxcb_shm xcb-shm xcb/shm.h xcb_shm_attach
6126 enabled libxcb_shape && check_pkg_config libxcb_shape xcb-shape xcb/shape.h xcb_shape_get_rectangles
6127 enabled libxcb_xfixes && check_pkg_config libxcb_xfixes xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image
6130 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
6132 # d3d11va requires linking directly to dxgi and d3d11 if not building for
6133 # the desktop api partition
6134 check_cpp <<EOF && enable uwp && d3d11va_extralibs="-ldxgi -ld3d11"
6135 #ifdef WINAPI_FAMILY
6136 #include <winapifamily.h>
6137 #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
6138 #error desktop, not uwp
6140 // WINAPI_FAMILY_APP, WINAPI_FAMILY_PHONE_APP => UWP
6143 #error no family set
6148 check_lib vaapi va/va.h vaInitialize -lva
6151 check_code cc "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)" ||
6155 check_lib vaapi_drm "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm
6158 check_lib vaapi_x11 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 -lX11
6161 check_cpp_condition "va/va.h" "VA_CHECK_VERSION(1, 0, 0)" &&
6164 if enabled_all opencl vaapi ; then
6165 check_type "CL/cl_intel.h" "clCreateImageFromFdINTEL_fn" &&
6166 enable opencl_vaapi_beignet
6167 if enabled libmfx ; then
6168 check_type "CL/cl.h CL/va_ext.h" "clCreateFromVA_APIMediaSurfaceINTEL_fn" &&
6169 enable opencl_vaapi_intel_media
6173 if enabled_all opencl dxva2 ; then
6174 check_type "CL/cl_dx9_media_sharing.h" cl_dx9_surface_info_khr &&
6178 if enabled_all opencl d3d11va ; then
6179 check_type "CL/cl_d3d11.h" clGetDeviceIDsFromD3D11KHR_fn &&
6183 if enabled_all opencl libdrm ; then
6184 check_func_headers "CL/cl_ext.h" clImportMemoryARM &&
6185 enable opencl_drm_arm
6189 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
6193 check_lib vdpau_x11 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau -lX11
6195 enabled crystalhd && check_lib crystalhd "stdint.h libcrystalhd/libcrystalhd_if.h" DtsCrystalHDVersion -lcrystalhd
6197 if enabled x86; then
6199 mingw32*|mingw64*|win32|win64|linux|cygwin*)
6202 disable cuda cuvid nvdec nvenc
6206 disable cuda cuvid nvdec nvenc
6210 check_cc -I$source_path <<EOF || disable nvenc
6211 #include "compat/nvenc/nvEncodeAPI.h"
6212 NV_ENCODE_API_FUNCTION_LIST flist;
6213 void f(void) { struct { const GUID guid; } s[] = { { NV_ENC_PRESET_HQ_GUID } }; }
6214 int main(void) { return 0; }
6217 # Funny iconv installations are not unusual, so check it after all flags have been set
6218 if enabled libc_iconv; then
6219 check_func_headers iconv.h iconv
6220 elif enabled iconv; then
6221 check_func_headers iconv.h iconv || check_lib iconv iconv.h iconv -liconv
6224 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
6226 # add some useful compiler flags if supported
6227 check_cflags -Wdeclaration-after-statement
6229 check_cflags -Wdisabled-optimization
6230 check_cflags -Wpointer-arith
6231 check_cflags -Wredundant-decls
6232 check_cflags -Wwrite-strings
6233 check_cflags -Wtype-limits
6234 check_cflags -Wundef
6235 check_cflags -Wmissing-prototypes
6236 check_cflags -Wno-pointer-to-int-cast
6237 check_cflags -Wstrict-prototypes
6238 check_cflags -Wempty-body
6240 if enabled extra_warnings; then
6241 check_cflags -Wcast-qual
6242 check_cflags -Wextra
6243 check_cflags -Wpedantic
6246 check_disable_warning(){
6247 warning_flag=-W${1#-Wno-}
6248 test_cflags $unknown_warning_flags $warning_flag && add_cflags $1
6251 test_cflags -Werror=unused-command-line-argument &&
6252 append unknown_warning_flags "-Werror=unused-command-line-argument"
6253 test_cflags -Werror=unknown-warning-option &&
6254 append unknown_warning_flags "-Werror=unknown-warning-option"
6256 check_disable_warning -Wno-parentheses
6257 check_disable_warning -Wno-switch
6258 check_disable_warning -Wno-format-zero-length
6259 check_disable_warning -Wno-pointer-sign
6260 check_disable_warning -Wno-unused-const-variable
6261 check_disable_warning -Wno-bool-operation
6263 check_disable_warning_headers(){
6264 warning_flag=-W${1#-Wno-}
6265 test_cflags $warning_flag && add_cflags_headers $1
6268 check_disable_warning_headers -Wno-deprecated-declarations
6269 check_disable_warning_headers -Wno-unused-variable
6271 check_cc <<EOF && enable blocks_extension
6272 void (^block)(void);
6275 # add some linker flags
6276 check_ldflags -Wl,--warn-common
6277 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
6278 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir && add_ldsoflags -Wl,-rpath,$libdir
6279 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
6281 # add some strip flags
6284 enabled neon_clobber_test &&
6285 check_ldflags -Wl,--wrap,avcodec_open2 \
6286 -Wl,--wrap,avcodec_decode_audio4 \
6287 -Wl,--wrap,avcodec_decode_video2 \
6288 -Wl,--wrap,avcodec_decode_subtitle2 \
6289 -Wl,--wrap,avcodec_encode_audio2 \
6290 -Wl,--wrap,avcodec_encode_video2 \
6291 -Wl,--wrap,avcodec_encode_subtitle \
6292 -Wl,--wrap,avcodec_send_packet \
6293 -Wl,--wrap,avcodec_receive_packet \
6294 -Wl,--wrap,avcodec_send_frame \
6295 -Wl,--wrap,avcodec_receive_frame \
6296 -Wl,--wrap,swr_convert \
6297 -Wl,--wrap,avresample_convert ||
6298 disable neon_clobber_test
6300 enabled xmm_clobber_test &&
6301 check_ldflags -Wl,--wrap,avcodec_open2 \
6302 -Wl,--wrap,avcodec_decode_audio4 \
6303 -Wl,--wrap,avcodec_decode_video2 \
6304 -Wl,--wrap,avcodec_decode_subtitle2 \
6305 -Wl,--wrap,avcodec_encode_audio2 \
6306 -Wl,--wrap,avcodec_encode_video2 \
6307 -Wl,--wrap,avcodec_encode_subtitle \
6308 -Wl,--wrap,avcodec_send_packet \
6309 -Wl,--wrap,avcodec_receive_packet \
6310 -Wl,--wrap,avcodec_send_frame \
6311 -Wl,--wrap,avcodec_receive_frame \
6312 -Wl,--wrap,swr_convert \
6313 -Wl,--wrap,avresample_convert \
6314 -Wl,--wrap,sws_scale ||
6315 disable xmm_clobber_test
6317 check_ld "cc" <<EOF && enable proper_dce
6318 extern const int array[512];
6319 static inline int func(void) { return array[0]; }
6320 int main(void) { return 0; }
6323 if enabled proper_dce; then
6324 echo "X { local: *; };" > $TMPV
6325 if test_ldflags -Wl,${version_script},$TMPV; then
6326 append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver'
6328 check_cc <<EOF && enable symver_asm_label
6329 void ff_foo(void) __asm__ ("av_foo@VERSION");
6330 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
6332 check_cc <<EOF && enable symver_gnu_asm
6333 __asm__(".symver ff_foo,av_foo@VERSION");
6334 void ff_foo(void) {}
6339 if [ -z "$optflags" ]; then
6340 if enabled small; then
6341 optflags=$cflags_size
6342 elif enabled optimizations; then
6343 optflags=$cflags_speed
6345 optflags=$cflags_noopt
6349 if [ -z "$nvccflags" ]; then
6350 nvccflags=$nvccflags_default
6353 if enabled x86_64 || enabled ppc64 || enabled aarch64; then
6354 nvccflags="$nvccflags -m64"
6356 nvccflags="$nvccflags -m32"
6361 enabled lto && check_ldflags "$@"
6364 check_optflags $optflags
6365 check_optflags -fno-math-errno
6366 check_optflags -fno-signed-zeros
6368 if enabled lto; then
6369 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
6371 check_ldflags -flto $cpuflags
6372 disable inline_asm_direct_symbol_refs
6375 enabled ftrapv && check_cflags -ftrapv
6377 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
6382 if enabled icc; then
6383 # Just warnings, no remarks
6385 # -wd: Disable following warnings
6386 # 144, 167, 556: -Wno-pointer-sign
6387 # 188: enumerated type mixed with another type
6388 # 1292: attribute "foo" ignored
6389 # 1419: external declaration in primary source file
6390 # 10006: ignoring unknown option -fno-signed-zeros
6391 # 10148: ignoring unknown option -Wno-parentheses
6392 # 10156: ignoring option '-W'; no argument required
6393 # 13200: No EMMS instruction before call to function
6394 # 13203: No EMMS instruction before return from function
6395 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
6396 # 11030: Warning unknown option --as-needed
6397 # 10156: ignoring option '-export'; no argument required
6398 check_ldflags -wd10156,11030
6399 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
6400 enable ebp_available
6401 # The test above does not test linking
6402 enabled lto && disable symver_asm_label
6403 if enabled x86_32; then
6404 icc_version=$($cc -dumpversion)
6405 test ${icc_version%%.*} -ge 11 &&
6406 check_cflags -falign-stack=maintain-16-byte ||
6407 disable aligned_stack
6409 elif enabled gcc; then
6410 check_optflags -fno-tree-vectorize
6411 check_cflags -Werror=format-security
6412 check_cflags -Werror=implicit-function-declaration
6413 check_cflags -Werror=missing-prototypes
6414 check_cflags -Werror=return-type
6415 check_cflags -Werror=vla
6416 check_cflags -Wformat
6417 check_cflags -fdiagnostics-color=auto
6418 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
6419 elif enabled llvm_gcc; then
6420 check_cflags -mllvm -stack-alignment=16
6421 elif enabled clang; then
6422 check_cflags -mllvm -stack-alignment=16
6423 check_cflags -mstack-alignment=16
6424 check_cflags -Qunused-arguments
6425 check_cflags -Werror=implicit-function-declaration
6426 check_cflags -Werror=missing-prototypes
6427 check_cflags -Werror=return-type
6428 elif enabled cparser; then
6429 add_cflags -Wno-missing-variable-declarations
6430 add_cflags -Wno-empty-statement
6431 elif enabled armcc; then
6432 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
6433 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
6434 # 2523: use of inline assembly is deprecated
6435 add_cflags -W${armcc_opt},--diag_suppress=2523
6436 add_cflags -W${armcc_opt},--diag_suppress=1207
6437 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
6438 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
6439 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
6440 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
6441 elif enabled pathscale; then
6442 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
6444 elif enabled_any msvc icl; then
6445 enabled x86_32 && disable aligned_stack
6446 enabled_all x86_32 debug && add_cflags -Oy-
6447 enabled debug && add_ldflags -debug
6448 enable pragma_deprecated
6449 if enabled icl; then
6450 # -Qansi-alias is basically -fstrict-aliasing, but does not work
6451 # (correctly) on icl 13.x.
6452 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
6453 add_cflags -Qansi-alias
6454 # Some inline asm is not compilable in debug
6455 if enabled debug; then
6456 disable ebp_available
6457 disable ebx_available
6460 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
6461 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
6462 # The CRT headers contain __declspec(restrict) in a few places, but if redefining
6463 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
6464 # (as it ends up if the restrict redefine is done before including stdlib.h), while
6465 # MSVC 2013 and newer can handle it fine.
6466 # If this declspec fails, force including stdlib.h before the restrict redefinition
6467 # happens in config.h.
6468 if [ $_restrict != restrict ]; then
6469 check_cc <<EOF || add_cflags -FIstdlib.h
6470 __declspec($_restrict) void* foo(int);
6473 # the new SSA optimzer in VS2015 U3 is mis-optimizing some parts of the code
6474 # Issue has been fixed in MSVC v19.00.24218.
6475 check_cpp_condition windows.h "_MSC_FULL_VER >= 190024218" ||
6476 check_cflags -d2SSAOptimizer-
6477 # enable utf-8 source processing on VS2015 U2 and newer
6478 check_cpp_condition windows.h "_MSC_FULL_VER >= 190023918" &&
6482 for pfx in "" host_; do
6483 varname=${pfx%_}cc_type
6484 eval "type=\$$varname"
6485 if [ "$type" = "msvc" ]; then
6486 check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline
6487 static inline int foo(int a) { return a; }
6494 add_asflags -Qunused-arguments
6500 check_ldflags -Qunused-arguments
6504 enable frame_thread_encoder
6506 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
6508 check_deps $CONFIG_LIST \
6513 enabled threads && ! enabled pthreads && ! enabled atomics_native && die "non pthread threading without atomics not supported, try adding --enable-pthreads or --cpu=i486 or higher if you are on x86"
6516 if test $target_os = "haiku"; then
6518 disable posix_memalign
6521 flatten_extralibs(){
6522 unset nested_entries
6525 for entry in $list; do
6528 append nested_entries $(filter '*_extralibs' $entry_copy)
6529 flat_entries=$(filter_out '*_extralibs' $entry_copy)
6530 eval $entry="\$flat_entries"
6532 append $list_name "$nested_entries"
6534 resolve nested_entries
6535 if test -n "$(filter '*_extralibs' $nested_entries)"; then
6536 flatten_extralibs $list_name
6540 flatten_extralibs_wrapper(){
6542 flatten_extralibs $list_name
6545 eval $list_name=\$\(\$ldflags_filter \$$list_name\)
6546 eval printf \''%s'\' \""\$$list_name"\"
6549 for linkunit in $LIBRARY_LIST; do
6550 unset current_extralibs
6551 eval components=\$$(toupper ${linkunit})_COMPONENTS_LIST
6552 for comp in ${components}; do
6553 enabled $comp || continue
6554 comp_extralibs="${comp}_extralibs"
6555 append current_extralibs $comp_extralibs
6557 eval prepend ${linkunit}_extralibs $current_extralibs
6560 for linkunit in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
6561 eval ${linkunit}_extralibs=\$\(flatten_extralibs_wrapper ${linkunit}_extralibs\)
6564 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
6566 for thread in $THREADS_LIST; do
6567 if enabled $thread; then
6568 test -n "$thread_type" &&
6569 die "ERROR: Only one thread type must be selected." ||
6570 thread_type="$thread"
6574 if disabled stdatomic; then
6575 if enabled atomics_gcc; then
6576 add_cppflags '-I\$(SRC_PATH)/compat/atomics/gcc'
6577 elif enabled atomics_win32; then
6578 add_cppflags '-I\$(SRC_PATH)/compat/atomics/win32'
6579 elif enabled atomics_suncc; then
6580 add_cppflags '-I\$(SRC_PATH)/compat/atomics/suncc'
6581 elif enabled pthreads; then
6582 add_compat atomics/pthread/stdatomic.o
6583 add_cppflags '-I\$(SRC_PATH)/compat/atomics/pthread'
6585 enabled threads && die "Threading is enabled, but no atomics are available"
6586 add_cppflags '-I\$(SRC_PATH)/compat/atomics/dummy'
6590 # Check if requested libraries were found.
6591 for lib in $AUTODETECT_LIBS; do
6592 requested $lib && ! enabled $lib && die "ERROR: $lib requested but not found";
6595 enabled zlib && add_cppflags -DZLIB_CONST
6597 # conditional library dependencies, in linking order
6598 enabled afftfilt_filter && prepend avfilter_deps "avcodec"
6599 enabled afir_filter && prepend avfilter_deps "avcodec"
6600 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
6601 enabled aresample_filter && prepend avfilter_deps "swresample"
6602 enabled atempo_filter && prepend avfilter_deps "avcodec"
6603 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
6604 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
6605 enabled elbg_filter && prepend avfilter_deps "avcodec"
6606 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
6607 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
6608 enabled firequalizer_filter && prepend avfilter_deps "avcodec"
6609 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
6610 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
6611 enabled pan_filter && prepend avfilter_deps "swresample"
6612 enabled pp_filter && prepend avfilter_deps "postproc"
6613 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
6614 enabled resample_filter && prepend avfilter_deps "avresample"
6615 enabled sab_filter && prepend avfilter_deps "swscale"
6616 enabled scale_filter && prepend avfilter_deps "swscale"
6617 enabled scale2ref_filter && prepend avfilter_deps "swscale"
6618 enabled sofalizer_filter && prepend avfilter_deps "avcodec"
6619 enabled showcqt_filter && prepend avfilter_deps "avformat avcodec swscale"
6620 enabled showfreqs_filter && prepend avfilter_deps "avcodec"
6621 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
6622 enabled signature_filter && prepend avfilter_deps "avcodec avformat"
6623 enabled smartblur_filter && prepend avfilter_deps "swscale"
6624 enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"
6625 enabled spp_filter && prepend avfilter_deps "avcodec"
6626 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
6627 enabled uspp_filter && prepend avfilter_deps "avcodec"
6628 enabled zoompan_filter && prepend avfilter_deps "swscale"
6630 enabled lavfi_indev && prepend avdevice_deps "avfilter"
6633 enabled sdl2_outdev && add_cflags $(filter_out '-Dmain=SDL_main' $sdl2_cflags)
6635 enabled opus_decoder && prepend avcodec_deps "swresample"
6639 eval "deps=\$$lib_deps"
6640 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
6644 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
6645 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
6647 map 'expand_deps $v' $LIBRARY_LIST
6649 license="LGPL version 2.1 or later"
6650 if enabled nonfree; then
6651 license="nonfree and unredistributable"
6652 elif enabled gplv3; then
6653 license="GPL version 3 or later"
6654 elif enabled lgplv3; then
6655 license="LGPL version 3 or later"
6656 elif enabled gpl; then
6657 license="GPL version 2 or later"
6660 if test "$quiet" != "yes"; then
6662 echo "install prefix $prefix"
6663 echo "source path $source_path"
6664 echo "C compiler $cc"
6665 echo "C library $libc_type"
6666 if test "$host_cc" != "$cc"; then
6667 echo "host C compiler $host_cc"
6668 echo "host C library $host_libc_type"
6670 echo "ARCH $arch ($cpu)"
6671 if test "$build_suffix" != ""; then
6672 echo "build suffix $build_suffix"
6674 if test "$progs_suffix" != ""; then
6675 echo "progs suffix $progs_suffix"
6677 if test "$extra_version" != ""; then
6678 echo "version string suffix $extra_version"
6680 echo "big-endian ${bigendian-no}"
6681 echo "runtime cpu detection ${runtime_cpudetect-no}"
6682 if enabled x86; then
6683 echo "standalone assembly ${x86asm-no}"
6684 echo "x86 assembler ${x86asmexe}"
6685 echo "MMX enabled ${mmx-no}"
6686 echo "MMXEXT enabled ${mmxext-no}"
6687 echo "3DNow! enabled ${amd3dnow-no}"
6688 echo "3DNow! extended enabled ${amd3dnowext-no}"
6689 echo "SSE enabled ${sse-no}"
6690 echo "SSSE3 enabled ${ssse3-no}"
6691 echo "AESNI enabled ${aesni-no}"
6692 echo "AVX enabled ${avx-no}"
6693 echo "AVX2 enabled ${avx2-no}"
6694 echo "XOP enabled ${xop-no}"
6695 echo "FMA3 enabled ${fma3-no}"
6696 echo "FMA4 enabled ${fma4-no}"
6697 echo "i686 features enabled ${i686-no}"
6698 echo "CMOV is fast ${fast_cmov-no}"
6699 echo "EBX available ${ebx_available-no}"
6700 echo "EBP available ${ebp_available-no}"
6702 if enabled aarch64; then
6703 echo "NEON enabled ${neon-no}"
6704 echo "VFP enabled ${vfp-no}"
6706 if enabled arm; then
6707 echo "ARMv5TE enabled ${armv5te-no}"
6708 echo "ARMv6 enabled ${armv6-no}"
6709 echo "ARMv6T2 enabled ${armv6t2-no}"
6710 echo "VFP enabled ${vfp-no}"
6711 echo "NEON enabled ${neon-no}"
6712 echo "THUMB enabled ${thumb-no}"
6714 if enabled mips; then
6715 echo "MIPS FPU enabled ${mipsfpu-no}"
6716 echo "MIPS DSP R1 enabled ${mipsdsp-no}"
6717 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
6718 echo "MIPS MSA enabled ${msa-no}"
6719 echo "LOONGSON MMI enabled ${mmi-no}"
6721 if enabled ppc; then
6722 echo "AltiVec enabled ${altivec-no}"
6723 echo "VSX enabled ${vsx-no}"
6724 echo "POWER8 enabled ${power8-no}"
6725 echo "PPC 4xx optimizations ${ppc4xx-no}"
6726 echo "dcbzl available ${dcbzl-no}"
6728 echo "debug symbols ${debug-no}"
6729 echo "strip symbols ${stripping-no}"
6730 echo "optimize for size ${small-no}"
6731 echo "optimizations ${optimizations-no}"
6732 echo "static ${static-no}"
6733 echo "shared ${shared-no}"
6734 echo "postprocessing support ${postproc-no}"
6735 echo "network support ${network-no}"
6736 echo "threading support ${thread_type-no}"
6737 echo "safe bitstream reader ${safe_bitstream_reader-no}"
6738 echo "texi2html enabled ${texi2html-no}"
6739 echo "perl enabled ${perl-no}"
6740 echo "pod2man enabled ${pod2man-no}"
6741 echo "makeinfo enabled ${makeinfo-no}"
6742 echo "makeinfo supports HTML ${makeinfo_html-no}"
6743 test -n "$random_seed" &&
6744 echo "random seed ${random_seed}"
6747 echo "External libraries:"
6748 print_enabled '' $EXTERNAL_LIBRARY_LIST $EXTERNAL_AUTODETECT_LIBRARY_LIST | print_in_columns
6751 echo "External libraries providing hardware acceleration:"
6752 print_enabled '' $HWACCEL_LIBRARY_LIST $HWACCEL_AUTODETECT_LIBRARY_LIST | print_in_columns
6756 print_enabled '' $LIBRARY_LIST | print_in_columns
6760 print_enabled '' $PROGRAM_LIST | print_in_columns
6763 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
6764 echo "Enabled ${type}s:"
6765 eval list=\$$(toupper $type)_LIST
6766 print_enabled '_*' $list | print_in_columns
6770 if test -n "$ignore_tests"; then
6771 ignore_tests=$(echo $ignore_tests | tr ',' ' ')
6772 echo "Ignored FATE tests:"
6773 echo $ignore_tests | print_in_columns
6777 echo "License: $license"
6779 fi # test "$quiet" != "yes"
6781 if test -n "$WARNINGS"; then
6782 printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"
6783 enabled fatal_warnings && exit 1
6786 test -e Makefile || echo "include $source_path/Makefile" > Makefile
6789 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
6792 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" > ffbuild/config.fate
6794 enabled stripping || strip="echo skipping strip"
6795 enabled stripping || striptype=""
6797 config_files="$TMPH ffbuild/config.mak doc/config.texi"
6799 cat > ffbuild/config.mak <<EOF
6800 # Automatically generated by configure - do not modify!
6801 ifndef FFMPEG_CONFIG_MAK
6803 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
6805 LIBDIR=\$(DESTDIR)$libdir
6806 SHLIBDIR=\$(DESTDIR)$shlibdir
6807 INCDIR=\$(DESTDIR)$incdir
6808 BINDIR=\$(DESTDIR)$bindir
6809 DATADIR=\$(DESTDIR)$datadir
6810 DOCDIR=\$(DESTDIR)$docdir
6811 MANDIR=\$(DESTDIR)$mandir
6812 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
6813 INSTALL_NAME_DIR=$install_name_dir
6814 SRC_PATH=$source_path
6815 SRC_LINK=$source_link
6816 ifndef MAIN_MAKEFILE
6817 SRC_PATH:=\$(SRC_PATH:.%=..%)
6821 INTRINSICS=$intrinsics
6822 EXTERN_PREFIX=$extern_prefix
6829 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
6831 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
6833 DEPX86ASM=$x86asmexe
6834 DEPX86ASMFLAGS=\$(X86ASMFLAGS)
6842 STRIPTYPE=$striptype
6849 OBJCFLAGS=$OBJCFLAGS
6851 NVCCFLAGS=$nvccflags
6872 LDEXEFLAGS=$LDEXEFLAGS
6873 LDSOFLAGS=$LDSOFLAGS
6874 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
6875 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
6876 X86ASMFLAGS=$X86ASMFLAGS
6877 BUILDSUF=$build_suffix
6878 PROGSSUF=$progs_suffix
6886 EXTRA_VERSION=$extra_version
6889 CCDEP_FLAGS=$CCDEP_FLAGS
6891 ASDEP_FLAGS=$ASDEP_FLAGS
6892 X86ASMDEP=$X86ASMDEP
6893 X86ASMDEP_FLAGS=$X86ASMDEP_FLAGS
6894 CC_DEPFLAGS=$CC_DEPFLAGS
6895 AS_DEPFLAGS=$AS_DEPFLAGS
6896 X86ASM_DEPFLAGS=$X86ASM_DEPFLAGS
6899 HOSTCFLAGS=$host_cflags
6900 HOSTCPPFLAGS=$host_cppflags
6901 HOSTEXESUF=$HOSTEXESUF
6902 HOSTLDFLAGS=$host_ldflags
6903 HOSTEXTRALIBS=$host_extralibs
6905 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
6906 HOSTCCDEP=$HOSTCCDEP
6907 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
6908 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
6912 TARGET_EXEC=$target_exec $target_exec_args
6913 TARGET_PATH=$target_path
6914 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
6915 CFLAGS-ffplay=${sdl2_cflags}
6916 CFLAGS_HEADERS=$CFLAGS_HEADERS
6917 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
6918 EXTRALIBS=$extralibs
6919 COMPAT_OBJS=$compat_objs
6921 SLIBNAME=${SLIBNAME}
6922 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
6923 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
6924 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
6925 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
6926 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
6927 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
6928 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
6929 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
6930 VERSION_SCRIPT_POSTPROCESS_CMD=${VERSION_SCRIPT_POSTPROCESS_CMD}
6931 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
6932 NOREDZONE_FLAGS=$noredzone_flags
6933 LIBFUZZER_PATH=$libfuzzer_path
6934 IGNORE_TESTS=$ignore_tests
6937 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> ffbuild/config.mak' $LIBRARY_LIST
6939 for entry in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
6940 eval echo "EXTRALIBS-${entry}=\$${entry}_extralibs" >> ffbuild/config.mak
6944 /* Automatically generated by configure - do not modify! */
6945 #ifndef FFMPEG_CONFIG_H
6946 #define FFMPEG_CONFIG_H
6947 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
6948 #define FFMPEG_LICENSE "$(c_escape $license)"
6949 #define CONFIG_THIS_YEAR 2017
6950 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
6951 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
6952 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
6953 #define av_restrict $_restrict
6954 #define EXTERN_PREFIX "${extern_prefix}"
6955 #define EXTERN_ASM ${extern_prefix}
6956 #define BUILDSUF "$build_suffix"
6957 #define SLIBSUF "$SLIBSUF"
6958 #define HAVE_MMX2 HAVE_MMXEXT
6959 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
6962 test -n "$assert_level" &&
6963 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
6965 test -n "$malloc_prefix" &&
6966 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
6968 if enabled x86asm; then
6969 append config_files $TMPASM
6971 ; Automatically generated by configure - do not modify!
6975 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
6981 echo "@c auto-generated by configure - do not modify! " > doc/config.texi
6983 print_config ARCH_ "$config_files" $ARCH_LIST
6984 print_config HAVE_ "$config_files" $HAVE_LIST
6985 print_config CONFIG_ "$config_files" $CONFIG_LIST \
6989 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
6990 echo "endif # FFMPEG_CONFIG_MAK" >> ffbuild/config.mak
6992 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
6993 cp_if_changed $TMPH config.h
6994 touch ffbuild/.config
6996 enabled x86asm && cp_if_changed $TMPASM config.asm
6999 /* Generated by ffmpeg configure */
7000 #ifndef AVUTIL_AVCONFIG_H
7001 #define AVUTIL_AVCONFIG_H
7004 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
7006 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
7008 cp_if_changed $TMPH libavutil/avconfig.h
7010 # generate the lists of enabled components
7011 print_enabled_components(){
7016 echo "static const $struct_name * const $name[] = {" > $TMPH
7018 enabled $c && printf " &ff_%s,\n" $c >> $TMPH
7020 echo " NULL };" >> $TMPH
7021 cp_if_changed $TMPH $file
7024 print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST
7025 print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST
7027 # Settings for pkg-config files
7030 # Automatically generated by configure - do not modify!
7032 build_suffix=$build_suffix
7036 rpath=$(enabled rpath && echo "-Wl,-rpath,\${libdir}")
7037 source_path=${source_path}
7040 extralibs_avutil="$avutil_extralibs"
7041 extralibs_avcodec="$avcodec_extralibs"
7042 extralibs_avformat="$avformat_extralibs"
7043 extralibs_avdevice="$avdevice_extralibs"
7044 extralibs_avfilter="$avfilter_extralibs"
7045 extralibs_avresample="$avresample_extralibs"
7046 extralibs_postproc="$postproc_extralibs"
7047 extralibs_swscale="$swscale_extralibs"
7048 extralibs_swresample="$swresample_extralibs"
7051 for lib in $LIBRARY_LIST; do
7052 lib_deps="$(eval echo \$${lib}_deps)"
7053 echo ${lib}_deps=\"$lib_deps\" >> $TMPH
7056 cp_if_changed $TMPH ffbuild/config.sh