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 code
293 --enable-opengl enable OpenGL rendering [no]
294 --enable-openssl enable openssl, needed for https support
295 if gnutls is not used [no]
296 --disable-sndio disable sndio support [autodetect]
297 --disable-schannel disable SChannel SSP, needed for TLS support on
298 Windows if openssl and gnutls are not used [autodetect]
299 --disable-sdl2 disable sdl2 [autodetect]
300 --disable-securetransport disable Secure Transport, needed for TLS support
301 on OSX if openssl and gnutls are not used [autodetect]
302 --disable-xlib disable xlib [autodetect]
303 --disable-zlib disable zlib [autodetect]
305 The following libraries provide various hardware acceleration features:
306 --disable-audiotoolbox disable Apple AudioToolbox code [autodetect]
307 --disable-cuda disable dynamically linked Nvidia CUDA code [autodetect]
308 --enable-cuda-sdk enable CUDA features that require the CUDA SDK [no]
309 --disable-cuvid disable Nvidia CUVID support [autodetect]
310 --disable-d3d11va disable Microsoft Direct3D 11 video acceleration code [autodetect]
311 --disable-dxva2 disable Microsoft DirectX 9 video acceleration code [autodetect]
312 --enable-libdrm enable DRM code (Linux) [no]
313 --enable-libmfx enable Intel MediaSDK (AKA Quick Sync Video) code via libmfx [no]
314 --enable-libnpp enable Nvidia Performance Primitives-based code [no]
315 --enable-mmal enable Broadcom Multi-Media Abstraction Layer (Raspberry Pi) via MMAL [no]
316 --disable-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.
466 if test -t 1 && which tput >/dev/null 2>&1; then
467 ncolors=$(tput colors)
468 if test -n "$ncolors" && test $ncolors -ge 8; then
469 bold_color=$(tput bold)
470 warn_color=$(tput setaf 3)
471 error_color=$(tput setaf 1)
472 reset_color=$(tput sgr0)
474 # 72 used instead of 80 since that's the default of pr
480 echo "$@" >> $logfile
485 pr -n -t $1 >> $logfile
491 WARNINGS="${WARNINGS}WARNING: $*\n"
496 echo "$error_color$bold_color$@$reset_color"
499 If you think configure made a mistake, make sure you are using the latest
500 version from Git. If the latest version fails, report the problem to the
501 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
503 if disabled logging; then
505 Rerun configure with logging enabled (do not use --disable-logging), and
506 include the log this produces with your report.
510 Include the log file "$logfile" produced by configure as this will help
517 # Avoid locale weirdness, besides we really just want to translate ASCII.
519 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
523 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
527 echo "$*" | sed 's/["\\]/\\\0/g'
531 v=$(echo "$1" | sed "s/'/'\\\\''/g")
532 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
537 echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
544 eval "case '$v' in $pat) printf '%s ' '$v' ;; esac"
552 eval "case '$v' in $pat) ;; *) printf '%s ' '$v' ;; esac"
559 for v; do eval $m; done
565 for v; do echo ${v}${suffix}; done
580 eval : \${$var:=$value}
585 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
591 eval $(sanitize_var_name "$var")='$*'
595 eval echo \$$(sanitize_var_name "$1")
600 eval level=\${${pvar}_level:=0}
601 eval ${pvar}_${level}="\$$pvar"
602 eval ${pvar}_level=$(($level+1))
608 eval level=\${${pvar}_level:-0}
609 test $level = 0 && continue
610 eval level=$(($level-1))
611 eval $pvar="\${${pvar}_${level}}"
612 eval ${pvar}_level=$level
613 eval unset ${pvar}_${level}
619 eval ${var}_requested=yes
642 enable $(sanitize_var_name $var)
648 disable $(sanitize_var_name $var)
654 enabled $var && continue
655 eval sel="\$${var}_select"
656 eval sgs="\$${var}_suggest"
660 enable_deep_weak $sgs
672 disabled $var && continue
681 test "${1#!}" = "$1" && op="=" || op="!="
682 eval test "x\$${1#!}_requested" $op "xyes"
686 test "${1#!}" = "$1" && op="=" || op="!="
687 eval test "x\$${1#!}" $op "xyes"
691 test "${1#!}" = "$1" && op="=" || op="!="
692 eval test "x\$${1#!}" $op "xno"
697 enabled $opt || return 1
703 disabled $opt || return 1
709 enabled $opt && return 0
715 disabled $opt && return 0
722 eval : \${$opt:=\$${opt}_default}
730 [ $var = $value ] && return 0
737 enabled ${cfg}_checking && die "Circular dependency for $cfg."
738 disabled ${cfg}_checking && continue
739 enable ${cfg}_checking
741 eval dep_all="\$${cfg}_deps"
742 eval dep_any="\$${cfg}_deps_any"
743 eval dep_con="\$${cfg}_conflict"
744 eval dep_sel="\$${cfg}_select"
745 eval dep_sgs="\$${cfg}_suggest"
746 eval dep_ifa="\$${cfg}_if"
747 eval dep_ifn="\$${cfg}_if_any"
749 pushvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
750 check_deps $dep_all $dep_any $dep_con $dep_sel $dep_sgs $dep_ifa $dep_ifn
751 popvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
753 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
754 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
755 enabled_all $dep_all || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not all dependencies are satisfied: $dep_all"; }
756 enabled_any $dep_any || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not any dependency is satisfied: $dep_any"; }
757 disabled_all $dep_con || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some conflicting dependencies are unsatisfied: $dep_con"; }
758 disabled_any $dep_sel && { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some selected dependency is unsatisfied: $dep_sel"; }
760 enabled $cfg && enable_deep_weak $dep_sel $dep_sgs
762 for dep in $dep_all $dep_any $dep_sel $dep_sgs; do
763 # filter out library deps, these do not belong in extralibs
764 is_in $dep $LIBRARY_LIST && continue
765 enabled $dep && eval append ${cfg}_extralibs ${dep}_extralibs
768 disable ${cfg}_checking
776 map 'eval echo "$v \${$v:-no}"' "$@" |
777 awk "BEGIN { split(\"$files\", files) }
779 c = \"$pfx\" toupper(\$1);
785 if (file ~ /\\.h\$/) {
786 printf(\"#define %s %d\\n\", c, v) >>file;
787 } else if (file ~ /\\.asm\$/) {
788 printf(\"%%define %s %d\\n\", c, v) >>file;
789 } else if (file ~ /\\.mak\$/) {
790 n = -v ? \"\" : \"!\";
791 printf(\"%s%s=yes\\n\", n, c) >>file;
792 } else if (file ~ /\\.texi\$/) {
793 pre = -v ? \"\" : \"@c \";
796 gsub(/_/, \"-\", c2);
797 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
807 enabled $v && printf "%s\n" ${v%$suf}
814 eval "$var=\"\$$var $*\""
820 eval "$var=\"$* \$$var\""
826 for tok in $(eval echo \$$var); do
827 uniq_list="$(filter_out $tok $uniq_list) $tok"
829 eval "$var=\"${uniq_list}\""
835 for entry in $(eval echo \$$var); do
836 tmpvar="$tmpvar $(eval echo \$${entry})"
838 eval "$var=\"${tmpvar}\""
846 append CFLAGS $($cflags_filter "$@")
849 add_cflags_headers(){
850 append CFLAGS_HEADERS $($cflags_filter "$@")
854 append CXXFLAGS $($cflags_filter "$@")
858 append ASFLAGS $($asflags_filter "$@")
862 append OBJCFLAGS $($objcflags_filter "$@")
866 append LDFLAGS $($ldflags_filter "$@")
870 append LDEXEFLAGS $($ldflags_filter "$@")
874 append LDSOFLAGS $($ldflags_filter "$@")
878 append ASMSTRIPFLAGS "$@"
882 prepend extralibs $($ldflags_filter "$@")
886 append host_cppflags "$@"
890 append host_cflags $($host_cflags_filter "$@")
894 append host_ldflags $($host_ldflags_filter "$@")
898 append compat_objs $1
900 map 'add_cppflags -D$v' "$@"
905 "$@" >> $logfile 2>&1
910 stat "$1" >> $logfile 2>&1
914 eval printf '%s\\n' $CC_O
918 eval printf '%s\\n' $CC_E
925 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
932 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
939 check_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
946 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
950 eval printf '%s\\n' $AS_O
957 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
961 log check_inline_asm "$@"
966 check_cc "$@" <<EOF && enable $name
967 void foo(void){ __asm__ volatile($code); }
971 check_inline_asm_flags(){
972 log check_inline_asm_flags "$@"
977 while [ "$1" != "" ]; do
983 void foo(void){ __asm__ volatile($code); }
986 check_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&
987 enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags
992 check_inline_asm ${1}_inline "\"$2\""
993 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
997 log check_x86asm "$@"
1001 check_cmd $x86asmexe $X86ASMFLAGS -Werror "$@" -o $TMPO $TMPS
1005 eval printf '%s\\n' $LD_O
1012 flags=$(filter_out '-l*|*.so' $@)
1013 libs=$(filter '-l*|*.so' $@)
1014 check_$type $($cflags_filter $flags) || return
1015 flags=$($ldflags_filter $flags)
1016 libs=$($ldflags_filter $libs)
1017 check_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
1022 test "${hdr%.h}" = "${hdr}" &&
1023 echo "#include $hdr" ||
1024 echo "#include <$hdr>"
1034 for hdr in $headers; do
1037 echo "int main(void) { $code; return 0; }"
1038 } | check_$check "$@"
1042 log check_cppflags "$@"
1043 check_cpp "$@" <<EOF && append CPPFLAGS "$@"
1049 log test_cflags "$@"
1050 set -- $($cflags_filter "$@")
1057 log check_cflags "$@"
1058 test_cflags "$@" && add_cflags "$@"
1062 log check_cxxflags "$@"
1063 set -- $($cflags_filter "$@")
1064 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
1070 log test_objcflags "$@"
1071 set -- $($objcflags_filter "$@")
1072 check_objcc "$@" <<EOF
1078 log check_objcflags "$@"
1079 test_objcflags "$@" && add_objcflags "$@"
1083 log test_ldflags "$@"
1084 set -- $($ldflags_filter "$@")
1085 check_ld "cc" "$@" <<EOF
1086 int main(void){ return 0; }
1091 log check_ldflags "$@"
1092 test_ldflags "$@" && add_ldflags "$@"
1096 log test_stripflags "$@"
1097 # call check_cc to get a fresh TMPO
1099 int main(void) { return 0; }
1101 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1105 log check_stripflags "$@"
1106 test_stripflags "$@" && add_stripflags "$@"
1110 log check_header "$@"
1113 disable_sanitized $headers
1115 for hdr in $headers; do
1119 } | check_cpp "$@" && enable_sanitized $headers
1122 check_header_objcc(){
1123 log check_header_objcc "$@"
1127 disable_sanitized $header
1129 echo "#include <$header>"
1130 echo "int main(void) { return 0; }"
1131 } | check_objcc && check_stat "$TMPO" && enable_sanitized $header
1134 check_apple_framework(){
1135 log check_apple_framework "$@"
1137 name="$(tolower $framework)"
1138 header="${framework}/${framework}.h"
1140 check_header_objcc $header &&
1141 enable $name && eval ${name}_extralibs='"-framework $framework"'
1149 check_ld "cc" "$@" <<EOF && enable $func
1151 int main(void){ $func(); }
1155 check_complexfunc(){
1156 log check_complexfunc "$@"
1160 test $narg = 2 && args="f, g" || args="f * I"
1162 check_ld "cc" "$@" <<EOF && enable $func
1163 #include <complex.h>
1165 float foo(complex float f, complex float g) { return $func($args); }
1166 int main(void){ return (int) foo; }
1171 log check_mathfunc "$@"
1175 test $narg = 2 && args="f, g" || args="f"
1177 check_ld "cc" "$@" <<EOF && enable $func
1179 float foo(float f, float g) { return $func($args); }
1180 int main(void){ return (int) foo; }
1184 check_func_headers(){
1185 log check_func_headers "$@"
1190 for hdr in $headers; do
1193 echo "#include <stdint.h>"
1194 for func in $funcs; do
1195 echo "long check_$func(void) { return (long) $func; }"
1197 echo "int main(void) { int ret = 0;"
1198 # LTO could optimize out the test functions without this
1199 for func in $funcs; do
1200 echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"
1202 echo "return ret; }"
1203 } | check_ld "cc" "$@" && enable $funcs && enable_sanitized $headers
1206 check_class_headers_cpp(){
1207 log check_class_headers_cpp "$@"
1212 for hdr in $headers; do
1213 echo "#include <$hdr>"
1215 echo "int main(void) { "
1217 for class in $classes; do
1218 echo "$class obj$i;"
1222 } | check_ld "cxx" "$@" && enable $funcs && enable_sanitized $headers
1225 check_cpp_condition(){
1226 log check_cpp_condition "$@"
1230 check_cpp "$@" <<EOF
1233 #error "unsatisfied condition: $condition"
1239 log test_cflags_cc "$@"
1244 set -- $($cflags_filter "$flags")
1248 #error "unsatisfied condition: $condition"
1260 check_func_headers "$headers" "$funcs" "$@" &&
1261 enable $name && eval ${name}_extralibs="\$@"
1265 log check_lib_cpp "$@"
1271 check_class_headers_cpp "$headers" "$classes" "$@" &&
1272 enable $name && eval ${name}_extralibs="\$@"
1276 log test_pkg_config "$@"
1284 check_cmd $pkg_config --exists --print-errors $pkg_version || return
1285 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1286 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1287 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1289 set_sanitized "${name}_cflags" $pkg_cflags &&
1290 set_sanitized "${name}_extralibs" $pkg_libs
1294 log check_pkg_config "$@"
1296 test_pkg_config "$@" &&
1297 eval add_cflags \$${name}_cflags
1301 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1305 log check_exec_crash "$@"
1308 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1309 # are safe but may not be available everywhere. Thus we use
1310 # raise(SIGTERM) instead. The check is run in a subshell so we
1311 # can redirect the "Terminated" message from the shell. SIGBUS
1312 # is not defined by standard C so it is used conditionally.
1314 (check_exec "$@") >> $logfile 2>&1 <<EOF
1316 static void sighandler(int sig){
1322 int (*func_ptr)(void) = foo;
1324 signal(SIGILL, sighandler);
1325 signal(SIGFPE, sighandler);
1326 signal(SIGSEGV, sighandler);
1328 signal(SIGBUS, sighandler);
1340 disable_sanitized "$type"
1341 check_code cc "$headers" "$type v" "$@" && enable_sanitized "$type"
1345 log check_struct "$@"
1350 disable_sanitized "${struct}_${member}"
1351 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1352 enable_sanitized "${struct}_${member}"
1356 log check_builtin "$@"
1362 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1365 check_compile_assert(){
1366 log check_compile_assert "$@"
1372 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1382 check_lib $name "$headers" $func "$@" || die "ERROR: $name_version not found"
1390 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1394 log require_header "$@"
1397 check_header "$headers" "$@" || die "ERROR: $headers not found"
1400 require_cpp_condition(){
1401 log require_cpp_condition "$@"
1405 check_cpp_condition "$header" "$condition" "$@" || die "ERROR: $condition not satisfied"
1408 require_pkg_config(){
1409 log require_pkg_config "$@"
1411 check_pkg_config "$@" || die "ERROR: $pkg_version not found using pkg-config$pkg_config_fail_message"
1415 eval printf '%s\\n' $HOSTCC_E
1419 eval printf '%s\\n' $HOSTCC_O
1423 log check_host_cc "$@"
1426 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1430 log check_host_cpp "$@"
1433 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1436 check_host_cppflags(){
1437 log check_host_cppflags "$@"
1438 check_host_cpp "$@" <<EOF && append host_cppflags "$@"
1443 check_host_cflags(){
1444 log check_host_cflags "$@"
1445 set -- $($host_cflags_filter "$@")
1446 check_host_cc "$@" <<EOF && append host_cflags "$@"
1451 check_host_cpp_condition(){
1452 log check_host_cpp_condition "$@"
1456 check_host_cpp "$@" <<EOF
1459 #error "unsatisfied condition: $condition"
1465 cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1466 mkdir -p "$(dirname $2)"
1470 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1471 # system-dependent things.
1473 AVCODEC_COMPONENTS="
1481 AVDEVICE_COMPONENTS="
1486 AVFILTER_COMPONENTS="
1490 AVFORMAT_COMPONENTS="
1498 $AVDEVICE_COMPONENTS
1499 $AVFILTER_COMPONENTS
1500 $AVFORMAT_COMPONENTS
1504 avio_dir_cmd_example
1505 avio_reading_example
1506 decode_audio_example
1507 decode_video_example
1508 demuxing_decoding_example
1509 encode_audio_example
1510 encode_video_example
1512 filter_audio_example
1513 filtering_audio_example
1514 filtering_video_example
1515 http_multiclient_example
1521 resampling_audio_example
1522 scaling_video_example
1523 transcode_aac_example
1527 EXTERNAL_AUTODETECT_LIBRARY_LIST="
1547 EXTERNAL_LIBRARY_GPL_LIST="
1559 EXTERNAL_LIBRARY_NONFREE_LIST="
1566 EXTERNAL_LIBRARY_VERSION3_LIST="
1575 EXTERNAL_LIBRARY_GPLV3_LIST="
1579 EXTERNAL_LIBRARY_LIST="
1580 $EXTERNAL_LIBRARY_GPL_LIST
1581 $EXTERNAL_LIBRARY_NONFREE_LIST
1582 $EXTERNAL_LIBRARY_VERSION3_LIST
1583 $EXTERNAL_LIBRARY_GPLV3_LIST
1641 HWACCEL_AUTODETECT_LIBRARY_LIST="
1657 # catchall list of things that require external libs to link
1663 HWACCEL_LIBRARY_NONFREE_LIST="
1668 HWACCEL_LIBRARY_LIST="
1669 $HWACCEL_LIBRARY_NONFREE_LIST
1689 safe_bitstream_reader
1736 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1740 $EXTERNAL_LIBRARY_LIST
1741 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1742 $HWACCEL_LIBRARY_LIST
1743 $HWACCEL_AUTODETECT_LIBRARY_LIST
1775 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1776 $HWACCEL_AUTODETECT_LIBRARY_LIST
1818 ARCH_EXT_LIST_MIPS="
1830 ARCH_EXT_LIST_LOONGSON="
1836 ARCH_EXT_LIST_X86_SIMD="
1865 $ARCH_EXT_LIST_X86_SIMD
1875 $ARCH_EXT_LIST_LOONGSON
1896 sync_val_compare_and_swap
1913 cdio_paranoia_paranoia_h
1916 dev_bktr_ioctl_bt848_h
1917 dev_bktr_ioctl_meteor_h
1919 dev_video_bktr_ioctl_bt848_h
1920 dev_video_meteor_ioctl_meteor_h
1928 machine_ioctl_bt848_h
1929 machine_ioctl_meteor_h
1931 opencv2_core_core_c_h
1994 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
2012 GetProcessAffinityMask
2013 GetProcessMemoryInfo
2016 GetSystemTimeAsFileTime
2039 SetConsoleTextAttribute
2040 SetConsoleCtrlHandler
2048 UTGetOSTypeFromString
2060 TOOLCHAIN_FEATURES="
2072 inline_asm_direct_symbol_refs
2074 inline_asm_nonlocal_labels
2085 CONDITION_VARIABLE_Ptr
2086 kCMVideoCodecType_HEVC
2089 struct_group_source_req
2090 struct_ip_mreq_source
2092 struct_msghdr_msg_flags
2094 struct_rusage_ru_maxrss
2095 struct_sctp_event_subscribe
2097 struct_sockaddr_sa_len
2098 struct_sockaddr_storage
2099 struct_stat_st_mtim_tv_nsec
2100 struct_v4l2_frmivalenum_discrete
2105 $(add_suffix _external $ARCH_EXT_LIST)
2106 $(add_suffix _inline $ARCH_EXT_LIST)
2129 # options emitted with CONFIG_ prefix but not available on the command line
2151 frame_thread_encoder
2307 # code dependency declarations
2309 # architecture extensions
2314 armv8_deps="aarch64"
2315 neon_deps_any="aarch64 arm"
2316 intrinsics_neon_deps="neon"
2317 vfp_deps_any="aarch64 arm"
2321 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2330 loongson2_deps="mips"
2331 loongson3_deps="mips"
2332 mips32r2_deps="mips"
2333 mips32r5_deps="mips"
2334 mips32r6_deps="mips"
2335 mips64r2_deps="mips"
2336 mips64r6_deps="mips"
2339 mipsdspr2_deps="mips"
2344 x86_64_select="i686"
2345 x86_64_suggest="fast_cmov"
2348 amd3dnowext_deps="amd3dnow"
2365 mmx_external_deps="x86asm"
2366 mmx_inline_deps="inline_asm x86"
2367 mmx_suggest="mmx_external mmx_inline"
2369 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2370 eval dep=\$${ext}_deps
2371 eval ${ext}_external_deps='"${dep}_external"'
2372 eval ${ext}_inline_deps='"${dep}_inline"'
2373 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2376 aligned_stack_if_any="aarch64 ppc x86"
2377 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2378 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2379 fast_unaligned_if_any="aarch64 ppc x86"
2380 simd_align_16_if_any="altivec neon sse"
2381 simd_align_32_if_any="avx"
2383 # system capabilities
2384 symver_if_any="symver_asm_label symver_gnu_asm"
2385 valgrind_backtrace_conflict="optimizations"
2386 valgrind_backtrace_deps="valgrind_valgrind_h"
2389 atomics_gcc_if="sync_val_compare_and_swap"
2390 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2391 atomics_win32_if="MemoryBarrier"
2392 atomics_native_if_any="$ATOMICS_LIST"
2393 w32threads_deps="atomics_native"
2394 threads_if_any="$THREADS_LIST"
2397 cbs_h264_select="cbs golomb"
2398 cbs_h265_select="cbs golomb"
2399 cbs_mpeg2_select="cbs"
2401 dirac_parse_select="golomb"
2402 error_resilience_select="me_cmp"
2404 faandct_select="fdctdsp"
2405 faanidct_deps="faan"
2406 faanidct_select="idctdsp"
2407 h264dsp_select="startcode"
2408 hevcparse_select="golomb"
2409 frame_thread_encoder_deps="encoders threads"
2410 intrax8_select="blockdsp idctdsp"
2413 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2414 mpeg_er_select="error_resilience"
2415 mpegaudio_select="mpegaudiodsp mpegaudioheader"
2416 mpegaudiodsp_select="dct"
2417 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2418 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2419 vc1dsp_select="h264chroma qpeldsp startcode"
2422 # decoders / encoders
2423 aac_decoder_select="adts_header mdct15 mdct sinewin"
2424 aac_fixed_decoder_select="mdct sinewin"
2425 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2426 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2427 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2428 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2429 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2430 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2431 adpcm_g722_decoder_select="g722dsp"
2432 adpcm_g722_encoder_select="g722dsp"
2433 aic_decoder_select="golomb idctdsp"
2434 alac_encoder_select="lpc"
2435 als_decoder_select="bswapdsp"
2436 amrnb_decoder_select="lsp"
2437 amrwb_decoder_select="lsp"
2438 amv_decoder_select="sp5x_decoder exif"
2439 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2440 ape_decoder_select="bswapdsp llauddsp"
2441 apng_decoder_select="zlib"
2442 apng_encoder_select="llvidencdsp zlib"
2443 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2444 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2445 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2446 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2447 atrac1_decoder_select="mdct sinewin"
2448 atrac3_decoder_select="mdct"
2449 atrac3p_decoder_select="mdct sinewin"
2450 avrn_decoder_select="exif jpegtables"
2451 bink_decoder_select="blockdsp hpeldsp"
2452 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2453 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2454 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2455 clearvideo_decoder_select="idctdsp"
2456 cllc_decoder_select="bswapdsp"
2457 comfortnoise_encoder_select="lpc"
2458 cook_decoder_select="audiodsp mdct sinewin"
2459 cscd_decoder_select="lzo"
2460 cscd_decoder_suggest="zlib"
2461 dca_decoder_select="mdct"
2462 dds_decoder_select="texturedsp"
2463 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2464 dnxhd_decoder_select="blockdsp idctdsp"
2465 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2466 dolby_e_decoder_select="mdct"
2467 dvvideo_decoder_select="dvprofile idctdsp"
2468 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2469 dxa_decoder_select="zlib"
2470 dxv_decoder_select="lzf texturedsp"
2471 eac3_decoder_select="ac3_decoder"
2472 eac3_encoder_select="ac3_encoder"
2473 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2474 eatgq_decoder_select="aandcttables"
2475 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2476 exr_decoder_select="zlib"
2477 ffv1_decoder_select="rangecoder"
2478 ffv1_encoder_select="rangecoder"
2479 ffvhuff_decoder_select="huffyuv_decoder"
2480 ffvhuff_encoder_select="huffyuv_encoder"
2481 fic_decoder_select="golomb"
2482 flac_decoder_select="flacdsp"
2483 flac_encoder_select="bswapdsp flacdsp lpc"
2484 flashsv2_decoder_select="zlib"
2485 flashsv2_encoder_select="zlib"
2486 flashsv_decoder_select="zlib"
2487 flashsv_encoder_select="zlib"
2488 flv_decoder_select="h263_decoder"
2489 flv_encoder_select="h263_encoder"
2490 fourxm_decoder_select="blockdsp bswapdsp"
2491 fraps_decoder_select="bswapdsp huffman"
2492 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2493 g729_decoder_select="audiodsp"
2494 h261_decoder_select="mpegvideo"
2495 h261_encoder_select="aandcttables mpegvideoenc"
2496 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2497 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2498 h263i_decoder_select="h263_decoder"
2499 h263p_decoder_select="h263_decoder"
2500 h263p_encoder_select="h263_encoder"
2501 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2502 h264_decoder_suggest="error_resilience"
2503 hap_decoder_select="snappy texturedsp"
2504 hap_encoder_deps="libsnappy"
2505 hap_encoder_select="texturedspenc"
2506 hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"
2507 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2508 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"
2509 iac_decoder_select="imc_decoder"
2510 imc_decoder_select="bswapdsp fft mdct sinewin"
2511 indeo3_decoder_select="hpeldsp"
2512 indeo4_decoder_select="ividsp"
2513 indeo5_decoder_select="ividsp"
2514 interplay_video_decoder_select="hpeldsp"
2515 jpegls_decoder_select="mjpeg_decoder"
2516 jv_decoder_select="blockdsp"
2517 lagarith_decoder_select="llviddsp"
2518 ljpeg_encoder_select="aandcttables idctdsp jpegtables mpegvideoenc"
2519 magicyuv_decoder_select="llviddsp"
2520 magicyuv_encoder_select="llvidencdsp"
2521 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2522 metasound_decoder_select="lsp mdct sinewin"
2523 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2524 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2525 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2526 mjpegb_decoder_select="mjpeg_decoder"
2527 mlp_decoder_select="mlp_parser"
2528 mlp_encoder_select="lpc"
2529 motionpixels_decoder_select="bswapdsp"
2530 mp1_decoder_select="mpegaudio"
2531 mp1float_decoder_select="mpegaudio"
2532 mp2_decoder_select="mpegaudio"
2533 mp2float_decoder_select="mpegaudio"
2534 mp3_decoder_select="mpegaudio"
2535 mp3adu_decoder_select="mpegaudio"
2536 mp3adufloat_decoder_select="mpegaudio"
2537 mp3float_decoder_select="mpegaudio"
2538 mp3on4_decoder_select="mpegaudio"
2539 mp3on4float_decoder_select="mpegaudio"
2540 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2541 mpc8_decoder_select="mpegaudiodsp"
2542 mpegvideo_decoder_select="mpegvideo"
2543 mpeg1video_decoder_select="mpegvideo"
2544 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2545 mpeg2video_decoder_select="mpegvideo"
2546 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2547 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2548 mpeg4_encoder_select="h263_encoder"
2549 msa1_decoder_select="mss34dsp"
2550 mscc_decoder_select="zlib"
2551 msmpeg4v1_decoder_select="h263_decoder"
2552 msmpeg4v2_decoder_select="h263_decoder"
2553 msmpeg4v2_encoder_select="h263_encoder"
2554 msmpeg4v3_decoder_select="h263_decoder"
2555 msmpeg4v3_encoder_select="h263_encoder"
2556 mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"
2557 mts2_decoder_select="mss34dsp"
2558 mxpeg_decoder_select="mjpeg_decoder"
2559 nellymoser_decoder_select="mdct sinewin"
2560 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2561 nuv_decoder_select="idctdsp lzo"
2562 on2avc_decoder_select="mdct"
2563 opus_decoder_deps="swresample"
2564 opus_decoder_select="mdct15"
2565 opus_encoder_select="audio_frame_queue mdct15"
2566 png_decoder_select="zlib"
2567 png_encoder_select="llvidencdsp zlib"
2568 prores_decoder_select="blockdsp idctdsp"
2569 prores_encoder_select="fdctdsp"
2570 qcelp_decoder_select="lsp"
2571 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2572 ra_144_decoder_select="audiodsp"
2573 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2574 ralf_decoder_select="golomb"
2575 rawvideo_decoder_select="bswapdsp"
2576 rscc_decoder_select="zlib"
2577 rtjpeg_decoder_select="me_cmp"
2578 rv10_decoder_select="h263_decoder"
2579 rv10_encoder_select="h263_encoder"
2580 rv20_decoder_select="h263_decoder"
2581 rv20_encoder_select="h263_encoder"
2582 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2583 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2584 screenpresso_decoder_select="zlib"
2585 shorten_decoder_select="bswapdsp"
2586 sipr_decoder_select="lsp"
2587 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2588 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2589 sonic_decoder_select="golomb rangecoder"
2590 sonic_encoder_select="golomb rangecoder"
2591 sonic_ls_encoder_select="golomb rangecoder"
2592 sp5x_decoder_select="mjpeg_decoder"
2593 srgc_decoder_select="zlib"
2594 svq1_decoder_select="hpeldsp"
2595 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2596 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2597 svq3_decoder_suggest="zlib"
2598 tak_decoder_select="audiodsp"
2599 tdsc_decoder_select="zlib mjpeg_decoder"
2600 theora_decoder_select="vp3_decoder"
2601 thp_decoder_select="mjpeg_decoder"
2602 tiff_decoder_suggest="zlib lzma"
2603 tiff_encoder_suggest="zlib"
2604 truehd_decoder_select="mlp_parser"
2605 truehd_encoder_select="lpc"
2606 truemotion2_decoder_select="bswapdsp"
2607 truespeech_decoder_select="bswapdsp"
2608 tscc_decoder_select="zlib"
2609 twinvq_decoder_select="mdct lsp sinewin"
2610 txd_decoder_select="texturedsp"
2611 utvideo_decoder_select="bswapdsp llviddsp"
2612 utvideo_encoder_select="bswapdsp huffman llvidencdsp"
2613 vble_decoder_select="llviddsp"
2614 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2615 vc1image_decoder_select="vc1_decoder"
2616 vorbis_decoder_select="mdct"
2617 vorbis_encoder_select="mdct"
2618 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2619 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2620 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2621 vp6a_decoder_select="vp6_decoder"
2622 vp6f_decoder_select="vp6_decoder"
2623 vp7_decoder_select="h264pred videodsp vp8dsp"
2624 vp8_decoder_select="h264pred videodsp vp8dsp"
2625 vp9_decoder_select="videodsp vp9_parser"
2626 webp_decoder_select="vp8_decoder exif"
2627 wmalossless_decoder_select="llauddsp"
2628 wmapro_decoder_select="mdct sinewin wma_freqs"
2629 wmav1_decoder_select="mdct sinewin wma_freqs"
2630 wmav1_encoder_select="mdct sinewin wma_freqs"
2631 wmav2_decoder_select="mdct sinewin wma_freqs"
2632 wmav2_encoder_select="mdct sinewin wma_freqs"
2633 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2634 wmv1_decoder_select="h263_decoder"
2635 wmv1_encoder_select="h263_encoder"
2636 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2637 wmv2_encoder_select="h263_encoder wmv2dsp"
2638 wmv3_decoder_select="vc1_decoder"
2639 wmv3image_decoder_select="wmv3_decoder"
2640 xma1_decoder_select="wmapro_decoder"
2641 xma2_decoder_select="wmapro_decoder"
2642 zerocodec_decoder_select="zlib"
2643 zlib_decoder_select="zlib"
2644 zlib_encoder_select="zlib"
2645 zmbv_decoder_select="zlib"
2646 zmbv_encoder_select="zlib"
2648 # hardware accelerators
2649 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2650 cuda_deps_any="libdl LoadLibrary"
2652 d3d11va_deps="dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2653 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32 user32"
2654 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2655 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2656 xvmc_deps="X11_extensions_XvMClib_h"
2658 h263_vaapi_hwaccel_deps="vaapi"
2659 h263_vaapi_hwaccel_select="h263_decoder"
2660 h263_videotoolbox_hwaccel_deps="videotoolbox"
2661 h263_videotoolbox_hwaccel_select="h263_decoder"
2662 h264_cuvid_hwaccel_deps="cuda cuvid"
2663 h264_cuvid_hwaccel_select="h264_cuvid_decoder"
2664 h264_d3d11va_hwaccel_deps="d3d11va"
2665 h264_d3d11va_hwaccel_select="h264_decoder"
2666 h264_d3d11va2_hwaccel_deps="d3d11va"
2667 h264_d3d11va2_hwaccel_select="h264_decoder"
2668 h264_dxva2_hwaccel_deps="dxva2"
2669 h264_dxva2_hwaccel_select="h264_decoder"
2670 h264_mediacodec_hwaccel_deps="mediacodec"
2671 h264_mmal_hwaccel_deps="mmal"
2672 h264_nvdec_hwaccel_deps="cuda nvdec"
2673 h264_nvdec_hwaccel_select="h264_decoder"
2674 h264_qsv_hwaccel_deps="libmfx"
2675 h264_vaapi_hwaccel_deps="vaapi"
2676 h264_vaapi_hwaccel_select="h264_decoder"
2677 h264_vdpau_hwaccel_deps="vdpau"
2678 h264_vdpau_hwaccel_select="h264_decoder"
2679 h264_videotoolbox_hwaccel_deps="videotoolbox"
2680 h264_videotoolbox_hwaccel_select="h264_decoder"
2681 hevc_cuvid_hwaccel_deps="cuda cuvid"
2682 hevc_cuvid_hwaccel_select="hevc_cuvid_decoder"
2683 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2684 hevc_d3d11va_hwaccel_select="hevc_decoder"
2685 hevc_mediacodec_hwaccel_deps="mediacodec"
2686 hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2687 hevc_d3d11va2_hwaccel_select="hevc_decoder"
2688 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2689 hevc_dxva2_hwaccel_select="hevc_decoder"
2690 hevc_nvdec_hwaccel_deps="cuda nvdec"
2691 hevc_nvdec_hwaccel_select="hevc_decoder"
2692 hevc_qsv_hwaccel_deps="libmfx"
2693 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2694 hevc_vaapi_hwaccel_select="hevc_decoder"
2695 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2696 hevc_vdpau_hwaccel_select="hevc_decoder"
2697 hevc_videotoolbox_hwaccel_deps="videotoolbox"
2698 hevc_videotoolbox_hwaccel_select="hevc_decoder"
2699 mjpeg_cuvid_hwaccel_deps="cuda cuvid"
2700 mjpeg_cuvid_hwaccel_select="mjpeg_cuvid_decoder"
2701 mpeg_xvmc_hwaccel_deps="xvmc"
2702 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2703 mpeg1_cuvid_hwaccel_deps="cuda cuvid"
2704 mpeg1_cuvid_hwaccel_select="mpeg1_cuvid_decoder"
2705 mpeg1_vdpau_hwaccel_deps="vdpau"
2706 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2707 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2708 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2709 mpeg1_xvmc_hwaccel_deps="xvmc"
2710 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2711 mpeg2_cuvid_hwaccel_deps="cuda cuvid"
2712 mpeg2_cuvid_hwaccel_select="mpeg2_cuvid_decoder"
2713 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2714 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2715 mpeg2_d3d11va2_hwaccel_deps="d3d11va"
2716 mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"
2717 mpeg2_dxva2_hwaccel_deps="dxva2"
2718 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2719 mpeg2_mediacodec_hwaccel_deps="mediacodec"
2720 mpeg2_mmal_hwaccel_deps="mmal"
2721 mpeg2_qsv_hwaccel_deps="libmfx"
2722 mpeg2_vaapi_hwaccel_deps="vaapi"
2723 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2724 mpeg2_vdpau_hwaccel_deps="vdpau"
2725 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2726 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2727 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2728 mpeg2_xvmc_hwaccel_deps="xvmc"
2729 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2730 mpeg4_cuvid_hwaccel_deps="cuda cuvid"
2731 mpeg4_cuvid_hwaccel_select="mpeg4_cuvid_decoder"
2732 mpeg4_mediacodec_hwaccel_deps="mediacodec"
2733 mpeg4_mmal_hwaccel_deps="mmal"
2734 mpeg4_vaapi_hwaccel_deps="vaapi"
2735 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2736 mpeg4_vdpau_hwaccel_deps="vdpau"
2737 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2738 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2739 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2740 vc1_cuvid_hwaccel_deps="cuda cuvid"
2741 vc1_cuvid_hwaccel_select="vc1_cuvid_decoder"
2742 vc1_d3d11va_hwaccel_deps="d3d11va"
2743 vc1_d3d11va_hwaccel_select="vc1_decoder"
2744 vc1_d3d11va2_hwaccel_deps="d3d11va"
2745 vc1_d3d11va2_hwaccel_select="vc1_decoder"
2746 vc1_dxva2_hwaccel_deps="dxva2"
2747 vc1_dxva2_hwaccel_select="vc1_decoder"
2748 vc1_mmal_hwaccel_deps="mmal"
2749 vc1_qsv_hwaccel_deps="libmfx"
2750 vc1_vaapi_hwaccel_deps="vaapi"
2751 vc1_vaapi_hwaccel_select="vc1_decoder"
2752 vc1_vdpau_hwaccel_deps="vdpau"
2753 vc1_vdpau_hwaccel_select="vc1_decoder"
2754 vp8_cuvid_hwaccel_deps="cuda cuvid"
2755 vp8_cuvid_hwaccel_select="vp8_cuvid_decoder"
2756 vp9_cuvid_hwaccel_deps="cuda cuvid"
2757 vp9_cuvid_hwaccel_select="vp9_cuvid_decoder"
2758 vp8_mediacodec_hwaccel_deps="mediacodec"
2759 vp8_qsv_hwaccel_deps="libmfx"
2760 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2761 vp9_d3d11va_hwaccel_select="vp9_decoder"
2762 vp9_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2763 vp9_d3d11va2_hwaccel_select="vp9_decoder"
2764 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2765 vp9_dxva2_hwaccel_select="vp9_decoder"
2766 vp9_mediacodec_hwaccel_deps="mediacodec"
2767 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"
2768 vp9_vaapi_hwaccel_select="vp9_decoder"
2769 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2770 wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"
2771 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2772 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2773 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2775 # hardware-accelerated codecs
2776 omx_deps="libdl pthreads"
2777 omx_rpi_select="omx"
2782 vaapi_encode_deps="vaapi"
2783 v4l2_m2m_deps_any="linux_videodev2_h"
2785 hwupload_cuda_filter_deps="cuda"
2786 scale_npp_filter_deps="cuda libnpp"
2787 scale_cuda_filter_deps="cuda_sdk"
2788 thumbnail_cuda_filter_deps="cuda_sdk"
2791 nvenc_deps_any="libdl LoadLibrary"
2792 nvenc_encoder_deps="nvenc"
2794 h263_v4l2m2m_decoder_deps="v4l2_m2m h263_v4l2_m2m"
2795 h263_v4l2m2m_encoder_deps="v4l2_m2m h263_v4l2_m2m"
2796 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2797 h264_cuvid_decoder_deps="cuda cuvid"
2798 h264_cuvid_decoder_select="h264_mp4toannexb_bsf"
2799 h264_mediacodec_decoder_deps="mediacodec"
2800 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2801 h264_mmal_decoder_deps="mmal"
2802 h264_nvenc_encoder_deps="nvenc"
2803 h264_omx_encoder_deps="omx"
2804 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2805 h264_qsv_encoder_select="qsvenc"
2806 h264_rkmpp_decoder_deps="rkmpp"
2807 h264_rkmpp_decoder_select="h264_mp4toannexb_bsf"
2808 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2809 h264_vaapi_encoder_select="cbs_h264 vaapi_encode"
2810 h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m"
2811 h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"
2812 hevc_cuvid_decoder_deps="cuda cuvid"
2813 hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"
2814 hevc_mediacodec_decoder_deps="mediacodec"
2815 hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"
2816 hevc_nvenc_encoder_deps="nvenc"
2817 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
2818 hevc_qsv_encoder_select="hevcparse qsvenc"
2819 hevc_rkmpp_decoder_deps="rkmpp"
2820 hevc_rkmpp_decoder_select="hevc_mp4toannexb_bsf"
2821 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2822 hevc_vaapi_encoder_select="cbs_h265 vaapi_encode"
2823 hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"
2824 hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"
2825 mjpeg_cuvid_decoder_deps="cuda cuvid"
2826 mjpeg_qsv_encoder_deps="libmfx"
2827 mjpeg_qsv_encoder_select="qsvenc"
2828 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2829 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2830 mpeg1_cuvid_decoder_deps="cuda cuvid"
2831 mpeg1_v4l2m2m_decoder_deps="v4l2_m2m mpeg1_v4l2_m2m"
2832 mpeg2_crystalhd_decoder_select="crystalhd"
2833 mpeg2_cuvid_decoder_deps="cuda cuvid"
2834 mpeg2_mmal_decoder_deps="mmal"
2835 mpeg2_mediacodec_decoder_deps="mediacodec"
2836 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
2837 mpeg2_qsv_encoder_select="qsvenc"
2838 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2839 mpeg2_vaapi_encoder_select="cbs_mpeg2 vaapi_encode"
2840 mpeg2_v4l2m2m_decoder_deps="v4l2_m2m mpeg2_v4l2_m2m"
2841 mpeg4_crystalhd_decoder_select="crystalhd"
2842 mpeg4_cuvid_decoder_deps="cuda cuvid"
2843 mpeg4_mediacodec_decoder_deps="mediacodec"
2844 mpeg4_mmal_decoder_deps="mmal"
2845 mpeg4_omx_encoder_deps="omx"
2846 mpeg4_v4l2m2m_decoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2847 mpeg4_v4l2m2m_encoder_deps="v4l2_m2m mpeg4_v4l2_m2m"
2848 msmpeg4_crystalhd_decoder_select="crystalhd"
2849 nvenc_h264_encoder_select="h264_nvenc_encoder"
2850 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2851 vc1_crystalhd_decoder_select="crystalhd"
2852 vc1_cuvid_decoder_deps="cuda cuvid"
2853 vc1_mmal_decoder_deps="mmal"
2854 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel vc1_parser"
2855 vc1_v4l2m2m_decoder_deps="v4l2_m2m vc1_v4l2_m2m"
2856 vp8_cuvid_decoder_deps="cuda cuvid"
2857 vp8_mediacodec_decoder_deps="mediacodec"
2858 vp8_qsv_decoder_select="qsvdec vp8_qsv_hwaccel vp8_parser"
2859 vp8_rkmpp_decoder_deps="rkmpp"
2860 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2861 vp8_vaapi_encoder_select="vaapi_encode"
2862 vp8_v4l2m2m_decoder_deps="v4l2_m2m vp8_v4l2_m2m"
2863 vp8_v4l2m2m_encoder_deps="v4l2_m2m vp8_v4l2_m2m"
2864 vp9_cuvid_decoder_deps="cuda cuvid"
2865 vp9_mediacodec_decoder_deps="mediacodec"
2866 vp9_rkmpp_decoder_deps="rkmpp"
2867 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
2868 vp9_vaapi_encoder_select="vaapi_encode"
2869 vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m"
2870 wmv3_crystalhd_decoder_select="crystalhd"
2873 aac_parser_select="adts_header"
2874 h264_parser_select="golomb h264dsp h264parse"
2875 hevc_parser_select="hevcparse"
2876 mpegaudio_parser_select="mpegaudioheader"
2877 mpegvideo_parser_select="mpegvideo"
2878 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2879 vc1_parser_select="vc1dsp"
2882 aac_adtstoasc_bsf_select="adts_header"
2883 h264_metadata_bsf_select="cbs_h264"
2884 h264_redundant_pps_bsf_select="cbs_h264"
2885 hevc_metadata_bsf_select="cbs_h265"
2886 mjpeg2jpeg_bsf_select="jpegtables"
2887 mpeg2_metadata_bsf_select="cbs_mpeg2"
2888 trace_headers_bsf_select="cbs_h264 cbs_h265 cbs_mpeg2"
2890 # external libraries
2891 aac_at_decoder_deps="audiotoolbox"
2892 ac3_at_decoder_deps="audiotoolbox"
2893 ac3_at_decoder_select="ac3_parser"
2894 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
2895 alac_at_decoder_deps="audiotoolbox"
2896 amr_nb_at_decoder_deps="audiotoolbox"
2897 avisynth_deps_any="libdl LoadLibrary"
2898 avisynth_demuxer_deps="avisynth"
2899 avisynth_demuxer_select="riffdec"
2900 eac3_at_decoder_deps="audiotoolbox"
2901 eac3_at_decoder_select="ac3_parser"
2902 gsm_ms_at_decoder_deps="audiotoolbox"
2903 ilbc_at_decoder_deps="audiotoolbox"
2904 mp1_at_decoder_deps="audiotoolbox"
2905 mp2_at_decoder_deps="audiotoolbox"
2906 mp3_at_decoder_deps="audiotoolbox"
2907 mp1_at_decoder_select="mpegaudioheader"
2908 mp2_at_decoder_select="mpegaudioheader"
2909 mp3_at_decoder_select="mpegaudioheader"
2910 pcm_alaw_at_decoder_deps="audiotoolbox"
2911 pcm_mulaw_at_decoder_deps="audiotoolbox"
2912 qdmc_at_decoder_deps="audiotoolbox"
2913 qdm2_at_decoder_deps="audiotoolbox"
2914 aac_at_encoder_deps="audiotoolbox"
2915 aac_at_encoder_select="audio_frame_queue"
2916 alac_at_encoder_deps="audiotoolbox"
2917 alac_at_encoder_select="audio_frame_queue"
2918 ilbc_at_encoder_deps="audiotoolbox"
2919 ilbc_at_encoder_select="audio_frame_queue"
2920 pcm_alaw_at_encoder_deps="audiotoolbox"
2921 pcm_alaw_at_encoder_select="audio_frame_queue"
2922 pcm_mulaw_at_encoder_deps="audiotoolbox"
2923 pcm_mulaw_at_encoder_select="audio_frame_queue"
2924 chromaprint_muxer_deps="chromaprint"
2925 h264_videotoolbox_encoder_deps="pthreads"
2926 h264_videotoolbox_encoder_select="videotoolbox_encoder"
2927 libcelt_decoder_deps="libcelt"
2928 libfdk_aac_decoder_deps="libfdk_aac"
2929 libfdk_aac_encoder_deps="libfdk_aac"
2930 libfdk_aac_encoder_select="audio_frame_queue"
2931 libgme_demuxer_deps="libgme"
2932 libgsm_decoder_deps="libgsm"
2933 libgsm_encoder_deps="libgsm"
2934 libgsm_ms_decoder_deps="libgsm"
2935 libgsm_ms_encoder_deps="libgsm"
2936 libilbc_decoder_deps="libilbc"
2937 libilbc_encoder_deps="libilbc"
2938 libkvazaar_encoder_deps="libkvazaar"
2939 libmodplug_demuxer_deps="libmodplug"
2940 libmp3lame_encoder_deps="libmp3lame"
2941 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
2942 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2943 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2944 libopencore_amrnb_encoder_select="audio_frame_queue"
2945 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2946 libopenh264_decoder_deps="libopenh264"
2947 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2948 libopenh264_encoder_deps="libopenh264"
2949 libopenjpeg_decoder_deps="libopenjpeg"
2950 libopenjpeg_encoder_deps="libopenjpeg"
2951 libopenmpt_demuxer_deps="libopenmpt"
2952 libopus_decoder_deps="libopus"
2953 libopus_encoder_deps="libopus"
2954 libopus_encoder_select="audio_frame_queue"
2955 librsvg_decoder_deps="librsvg"
2956 libshine_encoder_deps="libshine"
2957 libshine_encoder_select="audio_frame_queue"
2958 libspeex_decoder_deps="libspeex"
2959 libspeex_encoder_deps="libspeex"
2960 libspeex_encoder_select="audio_frame_queue"
2961 libtheora_encoder_deps="libtheora"
2962 libtwolame_encoder_deps="libtwolame"
2963 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2964 libvorbis_decoder_deps="libvorbis"
2965 libvorbis_encoder_deps="libvorbis libvorbisenc"
2966 libvorbis_encoder_select="audio_frame_queue"
2967 libvpx_vp8_decoder_deps="libvpx"
2968 libvpx_vp8_encoder_deps="libvpx"
2969 libvpx_vp9_decoder_deps="libvpx"
2970 libvpx_vp9_encoder_deps="libvpx"
2971 libwavpack_encoder_deps="libwavpack"
2972 libwavpack_encoder_select="audio_frame_queue"
2973 libwebp_encoder_deps="libwebp"
2974 libwebp_anim_encoder_deps="libwebp"
2975 libx262_encoder_deps="libx262"
2976 libx264_encoder_deps="libx264"
2977 libx264rgb_encoder_deps="libx264 x264_csp_bgr"
2978 libx264rgb_encoder_select="libx264_encoder"
2979 libx265_encoder_deps="libx265"
2980 libxavs_encoder_deps="libxavs"
2981 libxvid_encoder_deps="libxvid"
2982 libzvbi_teletext_decoder_deps="libzvbi"
2983 videotoolbox_suggest="coreservices"
2984 videotoolbox_deps="corefoundation coremedia corevideo"
2985 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
2988 ac3_demuxer_select="ac3_parser"
2989 aiff_muxer_select="iso_media"
2990 asf_demuxer_select="riffdec"
2991 asf_o_demuxer_select="riffdec"
2992 asf_muxer_select="riffenc"
2993 asf_stream_muxer_select="asf_muxer"
2994 avi_demuxer_select="iso_media riffdec exif"
2995 avi_muxer_select="riffenc"
2996 caf_demuxer_select="iso_media riffdec"
2997 caf_muxer_select="iso_media"
2998 dash_muxer_select="mp4_muxer"
2999 dash_demuxer_deps="libxml2"
3000 dirac_demuxer_select="dirac_parser"
3001 dts_demuxer_select="dca_parser"
3002 dtshd_demuxer_select="dca_parser"
3003 dv_demuxer_select="dvprofile"
3004 dv_muxer_select="dvprofile"
3005 dxa_demuxer_select="riffdec"
3006 eac3_demuxer_select="ac3_parser"
3007 f4v_muxer_select="mov_muxer"
3008 fifo_muxer_deps="threads"
3009 flac_demuxer_select="flac_parser"
3010 hds_muxer_select="flv_muxer"
3011 hls_muxer_select="mpegts_muxer"
3012 hls_muxer_suggest="gcrypt openssl"
3013 image2_alias_pix_demuxer_select="image2_demuxer"
3014 image2_brender_pix_demuxer_select="image2_demuxer"
3015 ipod_muxer_select="mov_muxer"
3016 ismv_muxer_select="mov_muxer"
3017 matroska_audio_muxer_select="matroska_muxer"
3018 matroska_demuxer_select="iso_media riffdec"
3019 matroska_demuxer_suggest="bzlib lzo zlib"
3020 matroska_muxer_select="iso_media riffenc"
3021 mmf_muxer_select="riffenc"
3022 mov_demuxer_select="iso_media riffdec"
3023 mov_demuxer_suggest="zlib"
3024 mov_muxer_select="iso_media riffenc rtpenc_chain"
3025 mp3_demuxer_select="mpegaudio_parser"
3026 mp3_muxer_select="mpegaudioheader"
3027 mp4_muxer_select="mov_muxer"
3028 mpegts_demuxer_select="iso_media"
3029 mpegts_muxer_select="adts_muxer latm_muxer"
3030 mpegtsraw_demuxer_select="mpegts_demuxer"
3031 mxf_d10_muxer_select="mxf_muxer"
3032 mxf_opatom_muxer_select="mxf_muxer"
3033 nut_muxer_select="riffenc"
3034 nuv_demuxer_select="riffdec"
3035 oga_muxer_select="ogg_muxer"
3036 ogg_demuxer_select="dirac_parse"
3037 ogv_muxer_select="ogg_muxer"
3038 opus_muxer_select="ogg_muxer"
3039 psp_muxer_select="mov_muxer"
3040 rtp_demuxer_select="sdp_demuxer"
3041 rtp_muxer_select="golomb"
3042 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
3043 rtsp_demuxer_select="http_protocol rtpdec"
3044 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
3045 sap_demuxer_select="sdp_demuxer"
3046 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
3047 sdp_demuxer_select="rtpdec"
3048 smoothstreaming_muxer_select="ismv_muxer"
3049 spdif_demuxer_select="adts_header"
3050 spdif_muxer_select="adts_header"
3051 spx_muxer_select="ogg_muxer"
3052 swf_demuxer_suggest="zlib"
3053 tak_demuxer_select="tak_parser"
3054 tg2_muxer_select="mov_muxer"
3055 tgp_muxer_select="mov_muxer"
3056 vobsub_demuxer_select="mpegps_demuxer"
3057 w64_demuxer_select="wav_demuxer"
3058 w64_muxer_select="wav_muxer"
3059 wav_demuxer_select="riffdec"
3060 wav_muxer_select="riffenc"
3061 webm_muxer_select="iso_media riffenc"
3062 webm_dash_manifest_demuxer_select="matroska_demuxer"
3063 wtv_demuxer_select="mpegts_demuxer riffdec"
3064 wtv_muxer_select="mpegts_muxer riffenc"
3065 xmv_demuxer_select="riffdec"
3066 xwma_demuxer_select="riffdec"
3069 alsa_indev_deps="alsa"
3070 alsa_outdev_deps="alsa"
3071 avfoundation_indev_deps="avfoundation corevideo coremedia pthreads"
3072 avfoundation_indev_suggest="coregraphics applicationservices"
3073 avfoundation_indev_extralibs="-framework Foundation"
3074 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
3075 caca_outdev_deps="libcaca"
3076 decklink_deps_any="libdl LoadLibrary"
3077 decklink_indev_deps="decklink threads"
3078 decklink_indev_extralibs="-lstdc++"
3079 decklink_outdev_deps="decklink threads"
3080 decklink_outdev_extralibs="-lstdc++"
3081 libndi_newtek_indev_deps="libndi_newtek"
3082 libndi_newtek_indev_extralibs="-lndi"
3083 libndi_newtek_outdev_deps="libndi_newtek"
3084 libndi_newtek_outdev_extralibs="-lndi"
3085 dshow_indev_deps="IBaseFilter"
3086 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
3087 fbdev_indev_deps="linux_fb_h"
3088 fbdev_outdev_deps="linux_fb_h"
3089 gdigrab_indev_deps="CreateDIBSection"
3090 gdigrab_indev_extralibs="-lgdi32"
3091 gdigrab_indev_select="bmp_decoder"
3092 iec61883_indev_deps="libiec61883"
3093 jack_indev_deps="libjack"
3094 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
3095 kmsgrab_indev_deps="libdrm"
3096 lavfi_indev_deps="avfilter"
3097 libcdio_indev_deps="libcdio"
3098 libdc1394_indev_deps="libdc1394"
3099 openal_indev_deps="openal"
3100 opengl_outdev_deps="opengl"
3101 oss_indev_deps_any="sys_soundcard_h"
3102 oss_outdev_deps_any="sys_soundcard_h"
3103 pulse_indev_deps="libpulse"
3104 pulse_outdev_deps="libpulse"
3105 sdl2_outdev_deps="sdl2"
3106 sndio_indev_deps="sndio"
3107 sndio_outdev_deps="sndio"
3108 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
3109 v4l2_indev_suggest="libv4l2"
3110 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
3111 v4l2_outdev_suggest="libv4l2"
3112 vfwcap_indev_deps="vfw32 vfwcap_defines"
3113 xcbgrab_indev_deps="libxcb"
3114 xcbgrab_indev_suggest="libxcb_shm libxcb_shape libxcb_xfixes"
3115 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
3116 xv_outdev_extralibs="-lXv -lX11 -lXext"
3119 async_protocol_deps="threads"
3120 bluray_protocol_deps="libbluray"
3121 ffrtmpcrypt_protocol_conflict="librtmp_protocol"
3122 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
3123 ffrtmpcrypt_protocol_select="tcp_protocol"
3124 ffrtmphttp_protocol_conflict="librtmp_protocol"
3125 ffrtmphttp_protocol_select="http_protocol"
3126 ftp_protocol_select="tcp_protocol"
3127 gopher_protocol_select="network"
3128 http_protocol_select="tcp_protocol"
3129 http_protocol_suggest="zlib"
3130 httpproxy_protocol_select="tcp_protocol"
3131 httpproxy_protocol_suggest="zlib"
3132 https_protocol_select="tls_protocol"
3133 https_protocol_suggest="zlib"
3134 icecast_protocol_select="http_protocol"
3135 librtmp_protocol_deps="librtmp"
3136 librtmpe_protocol_deps="librtmp"
3137 librtmps_protocol_deps="librtmp"
3138 librtmpt_protocol_deps="librtmp"
3139 librtmpte_protocol_deps="librtmp"
3140 libsmbclient_protocol_deps="libsmbclient gplv3"
3141 libssh_protocol_deps="libssh"
3142 mmsh_protocol_select="http_protocol"
3143 mmst_protocol_select="network"
3144 rtmp_protocol_conflict="librtmp_protocol"
3145 rtmp_protocol_select="tcp_protocol"
3146 rtmp_protocol_suggest="zlib"
3147 rtmpe_protocol_select="ffrtmpcrypt_protocol"
3148 rtmpe_protocol_suggest="zlib"
3149 rtmps_protocol_conflict="librtmp_protocol"
3150 rtmps_protocol_select="tls_protocol"
3151 rtmps_protocol_suggest="zlib"
3152 rtmpt_protocol_select="ffrtmphttp_protocol"
3153 rtmpt_protocol_suggest="zlib"
3154 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
3155 rtmpte_protocol_suggest="zlib"
3156 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
3157 rtmpts_protocol_suggest="zlib"
3158 rtp_protocol_select="udp_protocol"
3159 schannel_conflict="openssl gnutls"
3160 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
3161 sctp_protocol_select="network"
3162 securetransport_conflict="openssl gnutls"
3163 srtp_protocol_select="rtp_protocol srtp"
3164 tcp_protocol_select="network"
3165 tls_protocol_deps_any="gnutls openssl schannel securetransport"
3166 tls_protocol_select="tcp_protocol"
3167 udp_protocol_select="network"
3168 udplite_protocol_select="network"
3169 unix_protocol_deps="sys_un_h"
3170 unix_protocol_select="network"
3173 afftfilt_filter_deps="avcodec"
3174 afftfilt_filter_select="fft"
3175 afir_filter_deps="avcodec"
3176 afir_filter_select="fft"
3177 amovie_filter_deps="avcodec avformat"
3178 aresample_filter_deps="swresample"
3179 ass_filter_deps="libass"
3180 atempo_filter_deps="avcodec"
3181 atempo_filter_select="rdft"
3182 azmq_filter_deps="libzmq"
3183 blackframe_filter_deps="gpl"
3184 boxblur_filter_deps="gpl"
3185 bs2b_filter_deps="libbs2b"
3186 colormatrix_filter_deps="gpl"
3187 coreimage_filter_deps="coreimage appkit"
3188 coreimage_filter_extralibs="-framework OpenGL"
3189 coreimagesrc_filter_deps="coreimage appkit"
3190 coreimagesrc_filter_extralibs="-framework OpenGL"
3191 cover_rect_filter_deps="avcodec avformat gpl"
3192 cropdetect_filter_deps="gpl"
3193 deinterlace_qsv_filter_deps="libmfx"
3194 deinterlace_vaapi_filter_deps="vaapi"
3195 delogo_filter_deps="gpl"
3196 deshake_filter_select="pixelutils"
3197 deshake_filter_suggest="opencl"
3198 drawtext_filter_deps="libfreetype"
3199 drawtext_filter_suggest="libfontconfig libfribidi"
3200 elbg_filter_deps="avcodec"
3201 eq_filter_deps="gpl"
3202 fftfilt_filter_deps="avcodec"
3203 fftfilt_filter_select="rdft"
3204 find_rect_filter_deps="avcodec avformat gpl"
3205 firequalizer_filter_deps="avcodec"
3206 firequalizer_filter_select="rdft"
3207 flite_filter_deps="libflite"
3208 framerate_filter_select="pixelutils"
3209 frei0r_filter_deps="frei0r libdl"
3210 frei0r_src_filter_deps="frei0r libdl"
3211 fspp_filter_deps="gpl"
3212 geq_filter_deps="gpl"
3213 histeq_filter_deps="gpl"
3214 hqdn3d_filter_deps="gpl"
3215 interlace_filter_deps="gpl"
3216 kerndeint_filter_deps="gpl"
3217 ladspa_filter_deps="ladspa libdl"
3218 mcdeint_filter_deps="avcodec gpl"
3219 movie_filter_deps="avcodec avformat"
3220 mpdecimate_filter_deps="gpl"
3221 mpdecimate_filter_select="pixelutils"
3222 mptestsrc_filter_deps="gpl"
3223 negate_filter_deps="lut_filter"
3224 nnedi_filter_deps="gpl"
3225 ocr_filter_deps="libtesseract"
3226 ocv_filter_deps="libopencv"
3227 overlay_qsv_filter_deps="libmfx"
3228 overlay_qsv_filter_select="qsvvpp"
3229 owdenoise_filter_deps="gpl"
3230 pan_filter_deps="swresample"
3231 perspective_filter_deps="gpl"
3232 phase_filter_deps="gpl"
3233 pp7_filter_deps="gpl"
3234 pp_filter_deps="gpl postproc"
3235 pullup_filter_deps="gpl"
3236 removelogo_filter_deps="avcodec avformat swscale"
3237 repeatfields_filter_deps="gpl"
3238 resample_filter_deps="avresample"
3239 rubberband_filter_deps="librubberband"
3240 sab_filter_deps="gpl swscale"
3241 scale2ref_filter_deps="swscale"
3242 scale_filter_deps="swscale"
3243 scale_qsv_filter_deps="libmfx"
3244 select_filter_select="pixelutils"
3245 showcqt_filter_deps="avcodec avformat swscale"
3246 showcqt_filter_suggest="libfontconfig libfreetype"
3247 showcqt_filter_select="fft"
3248 showfreqs_filter_deps="avcodec"
3249 showfreqs_filter_select="fft"
3250 showspectrum_filter_deps="avcodec"
3251 showspectrum_filter_select="fft"
3252 showspectrumpic_filter_deps="avcodec"
3253 showspectrumpic_filter_select="fft"
3254 signature_filter_deps="gpl avcodec avformat"
3255 smartblur_filter_deps="gpl swscale"
3256 sofalizer_filter_deps="libmysofa avcodec"
3257 sofalizer_filter_select="fft"
3258 spectrumsynth_filter_deps="avcodec"
3259 spectrumsynth_filter_select="fft"
3260 spp_filter_deps="gpl avcodec"
3261 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
3262 stereo3d_filter_deps="gpl"
3263 subtitles_filter_deps="avformat avcodec libass"
3264 super2xsai_filter_deps="gpl"
3265 pixfmts_super2xsai_test_deps="super2xsai_filter"
3266 tinterlace_filter_deps="gpl"
3267 tinterlace_merge_test_deps="tinterlace_filter"
3268 tinterlace_pad_test_deps="tinterlace_filter"
3269 tonemap_filter_deps="const_nan"
3270 uspp_filter_deps="gpl avcodec"
3271 unsharp_filter_suggest="opencl"
3272 vaguedenoiser_filter_deps="gpl"
3273 vidstabdetect_filter_deps="libvidstab"
3274 vidstabtransform_filter_deps="libvidstab"
3275 libvmaf_filter_deps="libvmaf"
3276 zmq_filter_deps="libzmq"
3277 zoompan_filter_deps="swscale"
3278 zscale_filter_deps="libzimg const_nan"
3279 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3280 vpp_qsv_filter_deps="libmfx"
3281 vpp_qsv_filter_select="qsvvpp"
3284 avio_dir_cmd_deps="avformat avutil"
3285 avio_reading_deps="avformat avcodec avutil"
3286 decode_audio_example_deps="avcodec avutil"
3287 decode_video_example_deps="avcodec avutil"
3288 demuxing_decoding_example_deps="avcodec avformat avutil"
3289 encode_audio_example_deps="avcodec avutil"
3290 encode_video_example_deps="avcodec avutil"
3291 extract_mvs_example_deps="avcodec avformat avutil"
3292 filter_audio_example_deps="avfilter avutil"
3293 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3294 filtering_video_example_deps="avfilter avcodec avformat avutil"
3295 http_multiclient_example_deps="avformat avutil fork"
3296 hw_decode_example_deps="avcodec avformat avutil"
3297 metadata_example_deps="avformat avutil"
3298 muxing_example_deps="avcodec avformat avutil swscale"
3299 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
3300 remuxing_example_deps="avcodec avformat avutil"
3301 resampling_audio_example_deps="avutil swresample"
3302 scaling_video_example_deps="avutil swscale"
3303 transcode_aac_example_deps="avcodec avformat swresample"
3304 transcoding_example_deps="avfilter avcodec avformat avutil"
3307 cpu_init_extralibs="pthreads_extralibs"
3308 cws2fws_extralibs="zlib_extralibs"
3310 # libraries, in linking order
3311 avcodec_deps="avutil"
3312 avcodec_suggest="libm"
3313 avcodec_select="null_bsf"
3314 avdevice_deps="avformat avcodec avutil"
3315 avdevice_suggest="libm"
3316 avfilter_deps="avutil"
3317 avfilter_suggest="libm"
3318 avformat_deps="avcodec avutil"
3319 avformat_suggest="libm network zlib"
3320 avresample_deps="avutil"
3321 avresample_suggest="libm"
3322 avutil_suggest="clock_gettime cuda libm libdrm libmfx opencl user32 vaapi videotoolbox corefoundation corevideo coremedia wincrypt"
3323 postproc_deps="avutil gpl"
3324 postproc_suggest="libm"
3325 swresample_deps="avutil"
3326 swresample_suggest="libm libsoxr"
3327 swscale_deps="avutil"
3328 swscale_suggest="libm"
3330 avcodec_extralibs="pthreads_extralibs iconv_extralibs"
3331 avfilter_extralibs="pthreads_extralibs"
3332 avutil_extralibs="d3d11va_extralibs nanosleep_extralibs pthreads_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs"
3335 ffmpeg_deps="avcodec avfilter avformat swresample"
3336 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3339 ffmpeg_suggest="ole32 psapi shell32"
3340 ffplay_deps="avcodec avformat swscale swresample sdl2"
3341 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3342 ffplay_suggest="shell32"
3343 ffprobe_deps="avcodec avformat"
3344 ffprobe_suggest="shell32"
3345 ffserver_deps="avformat fork sarestart"
3346 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
3349 podpages_deps="perl"
3350 manpages_deps="perl pod2man"
3351 htmlpages_deps="perl"
3352 htmlpages_deps_any="makeinfo_html texi2html"
3353 txtpages_deps="perl makeinfo"
3354 doc_deps_any="manpages htmlpages podpages txtpages"
3356 # default parameters
3358 logfile="ffbuild/config.log"
3360 # installation paths
3361 prefix_default="/usr/local"
3362 bindir_default='${prefix}/bin'
3363 datadir_default='${prefix}/share/ffmpeg'
3364 docdir_default='${prefix}/share/doc/ffmpeg'
3365 incdir_default='${prefix}/include'
3366 libdir_default='${prefix}/lib'
3367 mandir_default='${prefix}/share/man'
3373 host_cc_default="gcc"
3374 doxygen_default="doxygen"
3376 ln_s_default="ln -s -f"
3378 pkg_config_default=pkg-config
3379 ranlib_default="ranlib"
3380 strip_default="strip"
3381 version_script='--version-script'
3382 x86asmexe_default="nasm"
3383 windres_default="windres"
3385 nvccflags_default="-gencode arch=compute_30,code=sm_30 -O2"
3389 target_os_default=$(tolower $(uname -s))
3390 host_os=$target_os_default
3393 if test "$target_os_default" = aix; then
3394 arch_default=$(uname -p)
3395 strip_default="strip -X32_64"
3397 arch_default=$(uname -m)
3402 # configurable options
3403 enable $PROGRAM_LIST
3404 enable $DOCUMENT_LIST
3405 enable $EXAMPLE_LIST
3406 enable $(filter_out avresample $LIBRARY_LIST)
3412 enable faan faandct faanidct
3413 enable optimizations
3414 enable runtime_cpudetect
3415 enable safe_bitstream_reader
3417 enable swscale_alpha
3418 enable valgrind_backtrace
3420 sws_max_filter_size_default=256
3421 set_default sws_max_filter_size
3423 # internal components are enabled by default
3424 enable $EXTRALIBS_LIST
3426 # Avoid external, non-system, libraries getting enabled by dependency resolution
3427 disable $EXTERNAL_LIBRARY_LIST $HWACCEL_LIBRARY_LIST
3430 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3433 FULLNAME='$(NAME)$(BUILDSUF)'
3434 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3437 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3438 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3439 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3440 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3441 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3442 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3443 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
3470 host_extralibs='-lm'
3471 host_cflags_filter=echo
3472 host_ldflags_filter=echo
3474 target_path='$(CURDIR)'
3476 # since the object filename is not given with the -MM flag, the compiler
3477 # is only able to print the basename, and we must add the path ourselves
3478 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3484 if test -f configure; then
3487 source_path=$(cd $(dirname "$0"); pwd)
3488 case "$source_path" in
3489 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3491 test -e "$source_path/config.h" &&
3492 die "Out of tree builds are impossible with config.h in source dir."
3499 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3505 file=$source_path/$3
3506 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3509 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
3510 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
3511 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
3512 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
3513 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
3514 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
3515 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
3516 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
3517 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3519 find_things_extern(){
3522 file=$source_path/$3
3523 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
3526 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3527 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3529 AVCODEC_COMPONENTS_LIST="
3537 AVDEVICE_COMPONENTS_LIST="
3542 AVFILTER_COMPONENTS_LIST="
3546 AVFORMAT_COMPONENTS_LIST="
3553 $AVCODEC_COMPONENTS_LIST
3554 $AVDEVICE_COMPONENTS_LIST
3555 $AVFILTER_COMPONENTS_LIST
3556 $AVFORMAT_COMPONENTS_LIST
3559 for n in $COMPONENT_LIST; do
3560 v=$(toupper ${n%s})_LIST
3562 eval ${n}_if_any="\$$v"
3565 enable $ARCH_EXT_LIST
3568 echo "Unknown option \"$1\"."
3569 echo "See $0 --help for available options."
3573 print_in_columns() {
3574 cols=$(expr $ncols / 24)
3575 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3581 echo $* | sed s/$suffix//g | print_in_columns
3593 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3594 echo "prob ${prob:-0.5}"
3602 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3603 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3612 --extra-ldexeflags=*)
3613 add_ldexeflags $optval
3615 --extra-ldsoflags=*)
3616 add_ldsoflags $optval
3618 --extra-ldlibflags=*)
3619 warn "The --extra-ldlibflags option is only provided for compatibility and will be\n"\
3620 "removed in the future. Use --extra-ldsoflags instead."
3621 add_ldsoflags $optval
3624 add_extralibs $optval
3627 disable $INDEV_LIST $OUTDEV_LIST
3630 debuglevel="$optval"
3633 disable $PROGRAM_LIST
3635 --disable-everything)
3636 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3639 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3640 disable $LIBRARY_LIST $PROGRAM_LIST doc
3643 --enable-random|--disable-random)
3644 action=${opt%%-random}
3645 do_random ${action#--} $COMPONENT_LIST
3647 --enable-random=*|--disable-random=*)
3648 action=${opt%%-random=*}
3649 do_random ${action#--} $optval
3654 --enable-*=*|--disable-*=*)
3655 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3656 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3657 eval list=\$$(toupper $thing)_LIST
3658 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3659 list=$(filter "$name" $list)
3660 [ "$list" = "" ] && warn "Option $opt did not match anything"
3663 --enable-yasm|--disable-yasm)
3664 warn "The ${opt} option is only provided for compatibility and will be\n"\
3665 "removed in the future. Use --enable-x86asm / --disable-x86asm instead."
3666 test $opt = --enable-yasm && x86asm=yes || x86asm=no
3669 warn "The --yasmexe option is only provided for compatibility and will be\n"\
3670 "removed in the future. Use --x86asmexe instead."
3673 --enable-?*|--disable-?*)
3674 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3675 if is_in $option $COMPONENT_LIST; then
3676 test $action = disable && action=unset
3677 eval $action \$$(toupper ${option%s})_LIST
3678 elif is_in $option $CMDLINE_SELECT; then
3685 NAME="${opt#--list-}"
3686 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3688 eval show_list $NAME \$$(toupper $NAME)_LIST
3690 --help|-h) show_help
3692 --quiet|-q) quiet=yes
3694 --fatal-warnings) enable fatal_warnings
3697 libfuzzer_path="$optval"
3700 optname="${opt%%=*}"
3701 optname="${optname#--}"
3702 optname=$(echo "$optname" | sed 's/-/_/g')
3703 if is_in $optname $CMDLINE_SET; then
3704 eval $optname='$optval'
3705 elif is_in $optname $CMDLINE_APPEND; then
3706 append $optname "$optval"
3718 if disabled autodetect; then
3720 # Unless iconv is explicitely disabled by the user, we still want to probe
3721 # for the iconv from the libc.
3722 disabled iconv || enable libc_iconv
3724 disable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3725 disable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3727 # Mark specifically enabled, but normally autodetected libraries as requested.
3728 for lib in $AUTODETECT_LIBS; do
3729 enabled $lib && request $lib
3731 #TODO: switch to $AUTODETECT_LIBS when $THREADS_LIST is supported the same way
3732 enable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
3733 enable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
3735 disabled logging && logfile=/dev/null
3737 # we need to build at least one lib type
3738 if ! enabled_any static shared; then
3740 At least one library type must be built.
3741 Specify --enable-static to build the static libraries or --enable-shared to
3742 build the shared libraries as well. To only build the shared libraries specify
3743 --disable-static in addition to --enable-shared.
3748 die_license_disabled() {
3749 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
3752 die_license_disabled_gpl() {
3753 enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }
3756 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3757 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3759 enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST
3760 map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST
3762 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3764 enabled_all gnutls openssl &&
3765 die "GnuTLS and OpenSSL must not be enabled at the same time."
3767 # Disable all the library-specific components if the library itself
3768 # is disabled, see AVCODEC_LIST and following _LIST variables.
3770 disable_components(){
3771 disabled ${1} && disable $(
3772 eval components="\$$(toupper ${1})_COMPONENTS"
3773 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3777 map 'disable_components $v' $LIBRARY_LIST
3779 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3782 test -n "$valgrind" && toolchain="valgrind-memcheck"
3784 enabled ossfuzz && {
3785 add_cflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer
3786 add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp
3789 case "$toolchain" in
3791 cc_default="${toolchain%-asan}"
3792 add_cflags -fsanitize=address
3793 add_ldflags -fsanitize=address
3796 cc_default="${toolchain%-msan}"
3797 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
3798 add_ldflags -fsanitize=memory
3801 cc_default="${toolchain%-tsan}"
3802 add_cflags -fsanitize=thread -fPIE
3803 add_ldflags -fsanitize=thread -pie
3804 case "$toolchain" in
3812 cc_default="${toolchain%-usan}"
3813 add_cflags -fsanitize=undefined
3814 add_ldflags -fsanitize=undefined
3817 target_exec_default="valgrind"
3818 case "$toolchain" in
3820 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
3823 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3828 # Check whether the current MSVC version needs the C99 converter.
3829 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3830 # support enough of C99 to build ffmpeg. Default to the new
3831 # behaviour if the regexp was unable to match anything, since this
3832 # successfully parses the version number of existing supported
3833 # versions that require the converter (MSVC 2010 and 2012).
3834 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3835 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3839 cc_default="c99wrap cl"
3840 cxx_default="c99wrap cl"
3842 ld_default="$source_path/compat/windows/mslink"
3843 nm_default="dumpbin -symbols"
3847 as_default="armasm64"
3853 target_os_default="win32"
3854 # Use a relative path for TMPDIR. This makes sure all the
3855 # ffconf temp files are written with a relative path, avoiding
3856 # issues with msys/win32 path conversion for MSVC parameters
3857 # such as -Fo<file> or -out:<file>.
3863 nm_default="dumpbin -symbols"
3865 target_os_default="win32"
3869 add_cflags -fprofile-arcs -ftest-coverage
3870 add_ldflags -fprofile-arcs -ftest-coverage
3873 add_cflags -fprofile-arcs -ftest-coverage
3874 add_ldflags --coverage
3877 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3878 add_cflags -fno-strict-overflow -fstack-protector-all
3879 add_ldflags -Wl,-z,relro -Wl,-z,now
3881 add_ldexeflags -fPIE -pie
3884 die "Unknown toolchain $toolchain"
3888 test -n "$cross_prefix" && enable cross_compile
3890 if enabled cross_compile; then
3891 test -n "$arch" && test -n "$target_os" ||
3892 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
3895 ar_default="${cross_prefix}${ar_default}"
3896 cc_default="${cross_prefix}${cc_default}"
3897 cxx_default="${cross_prefix}${cxx_default}"
3898 nm_default="${cross_prefix}${nm_default}"
3899 pkg_config_default="${cross_prefix}${pkg_config_default}"
3900 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3901 ranlib_default="${cross_prefix}${ranlib_default} -D"
3903 ranlib_default="${cross_prefix}${ranlib_default}"
3905 strip_default="${cross_prefix}${strip_default}"
3906 windres_default="${cross_prefix}${windres_default}"
3908 sysinclude_default="${sysroot}/usr/include"
3910 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3911 target_exec target_os x86asmexe nvcc
3912 enabled cross_compile || host_cc_default=$cc
3915 pkg_config_fail_message=""
3916 if ! $pkg_config --version >/dev/null 2>&1; then
3917 warn "$pkg_config not found, library detection may fail."
3919 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3920 pkg_config_fail_message="
3921 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3924 if test $doxygen != $doxygen_default && \
3925 ! $doxygen --version >/dev/null 2>&1; then
3926 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3931 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3935 EXESUF=$(exesuf $target_os)
3936 HOSTEXESUF=$(exesuf $host_os)
3938 # set temporary file name
3939 : ${TMPDIR:=$TEMPDIR}
3943 if [ -n "$tempprefix" ] ; then
3945 tmpname="$tempprefix.${HOSTNAME}.${UID}"
3949 elif ! check_cmd mktemp -u XXXXXX; then
3950 # simple replacement for missing mktemp
3951 # NOT SAFE FOR GENERAL USE
3953 tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3959 FFTMPDIR=$(mktemp -d "${TMPDIR}/ffconf.XXXXXXXX" 2> /dev/null) ||
3960 die "Unable to create temporary directory in $TMPDIR."
3963 tmp="${FFTMPDIR}/test"$2
3964 (set -C; exec > $tmp) 2> /dev/null ||
3965 die "Unable to create temporary file in $FFTMPDIR."
3969 trap 'rm -rf -- "$FFTMPDIR"' EXIT
3975 tmpfile TMPE $EXESUF
3987 # make sure we can execute files in $TMPDIR
3988 cat > $TMPSH 2>> $logfile <<EOF
3991 chmod +x $TMPSH >> $logfile 2>&1
3992 if ! $TMPSH >> $logfile 2>&1; then
3994 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3995 variable to another directory and make sure that it is not mounted noexec.
3997 die "Sanity test failed."
4003 # Filter out MSVC cl.exe options from cflags that shouldn't
4004 # be passed to gas-preprocessor
4014 -Wno-switch) echo -Wno-switch-enum ;;
4015 -Wno-format-zero-length) ;;
4016 -Wdisabled-optimization) ;;
4017 -Wno-pointer-sign) echo -Wno-other ;;
4023 msvc_common_flags(){
4026 # In addition to specifying certain flags under the compiler
4027 # specific filters, they must be specified here as well or else the
4028 # generic catch all at the bottom will print the original flag.
4033 -fomit-frame-pointer) ;;
4037 -fno-signed-zeros) ;;
4041 -lz) echo zlib.lib ;;
4042 -lx264) echo libx264.lib ;;
4044 -l*) echo ${flag#-l}.lib ;;
4045 -LARGEADDRESSAWARE) echo $flag ;;
4046 -L*) echo -libpath:${flag#-L} ;;
4053 msvc_common_flags "$@"
4056 -Wall) echo -W3 -wd4018 -wd4146 -wd4244 -wd4305 \
4058 -Wextra) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
4059 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
4060 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
4062 -wd4273 -wd4554 -wd4701 -wd4703 ;;
4068 msvc_common_flags "$@"
4071 # Despite what Intel's documentation says -Wall, which is supported
4072 # on Windows, does enable remarks so disable them here.
4073 -Wall) echo $flag -Qdiag-disable:remark ;;
4074 -std=c99) echo -Qstd=c99 ;;
4093 case "${flag#*=}" in
4094 native) echo -xtarget=native ;;
4095 v9|niagara) echo -xarch=sparc ;;
4096 ultrasparc) echo -xarch=sparcvis ;;
4097 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
4098 i586|pentium) echo -xchip=pentium ;;
4099 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
4100 pentium3*|c3-2) echo -xtarget=pentium3 ;;
4101 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
4102 pentium4*) echo -xtarget=pentium4 ;;
4103 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
4104 *-sse3) echo -xarch=sse3 ;;
4105 core2) echo -xarch=ssse3 -xchip=core2 ;;
4106 bonnell) echo -xarch=ssse3 ;;
4107 corei7|nehalem) echo -xtarget=nehalem ;;
4108 westmere) echo -xtarget=westmere ;;
4109 silvermont) echo -xarch=sse4_2 ;;
4110 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
4111 core-avx*|ivybridge|haswell|broadwell|skylake*|knl)
4113 amdfam10|barcelona) echo -xtarget=barcelona ;;
4114 btver1) echo -xarch=amdsse4a ;;
4115 btver2|bdver*|znver*) echo -xarch=avx ;;
4116 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
4117 k8|opteron|athlon64|athlon-fx)
4118 echo -xarch=sse2a ;;
4119 athlon*) echo -xarch=pentium_proa ;;
4122 -std=c99) echo -xc99 ;;
4123 -fomit-frame-pointer) echo -xregs=frameptr ;;
4124 -fPIC) echo -KPIC -xcode=pic32 ;;
4125 -W*,*) echo $flag ;;
4126 -f*-*|-W*|-mimpure-text) ;;
4138 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
4139 unset _ld_o _ldflags _ld_lib _ld_path
4140 unset _depflags _DEPCMD _DEPFLAGS
4143 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
4144 true # no-op to avoid reading stdin in following checks
4145 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
4147 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
4148 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
4149 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4152 elif $_cc -v 2>&1 | grep -qi ^gcc; then
4154 gcc_version=$($_cc --version | head -n1)
4155 gcc_basever=$($_cc -dumpversion)
4156 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
4157 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
4158 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
4159 case $gcc_basever in
4162 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
4164 if [ "$first" = true ]; then
4165 case $gcc_basever in
4167 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
4172 elif $_cc --version 2>/dev/null | grep -q ^icc; then
4174 _ident=$($_cc --version | head -n1)
4179 _flags_filter=icc_flags
4180 elif $_cc -v 2>&1 | grep -q xlc; then
4182 _ident=$($_cc -qversion 2>/dev/null | head -n1)
4184 _cflags_size='-O5 -qcompact'
4185 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
4186 test -d "$sysroot" || die "No valid sysroot specified."
4188 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
4189 armcc_conf="$PWD/armcc.conf"
4190 $_cc --arm_linux_configure \
4191 --arm_linux_config_file="$armcc_conf" \
4192 --configure_sysroot="$sysroot" \
4193 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
4194 die "Error creating armcc configuration file."
4195 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
4196 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
4197 as_default="${cross_prefix}gcc"
4201 elif $_cc -v 2>&1 | grep -q clang; then
4203 _ident=$($_cc --version 2>/dev/null | head -n1)
4204 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4207 elif $_cc -V 2>&1 | grep -q Sun; then
4209 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
4210 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
4211 _DEPFLAGS='-xM1 -xc99'
4214 _cflags_size='-O5 -xspace'
4215 _flags_filter=suncc_flags
4216 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
4218 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4219 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4222 _flags_filter='filter_out -Wdisabled-optimization'
4223 elif $_cc -v 2>&1 | grep -q Open64; then
4225 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4226 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4229 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
4230 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
4232 _ident=$($_cc | head -n1)
4233 # 4509: "This form of conditional instruction is deprecated"
4234 _flags="-nologo -ignore 4509"
4235 _flags_filter=armasm_flags
4236 elif $_cc 2>&1 | grep -q Intel; then
4238 _ident=$($_cc 2>&1 | head -n1)
4239 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
4240 # Not only is O3 broken on 13.x+ but it is slower on all previous
4241 # versions (tested) as well.
4243 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
4244 if $_cc 2>&1 | grep -q Linker; then
4251 _flags_filter=icl_flags
4253 _ld_path='-libpath:'
4254 # -Qdiag-error to make icl error when seeing certain unknown arguments
4255 _flags='-nologo -Qdiag-error:4044,10157'
4256 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
4257 # with MSVC which enables it by default.
4258 _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise'
4260 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
4261 # lld can emulate multiple different linkers; in ms link.exe mode,
4262 # the -? parameter gives the help output which contains an identifyable
4263 # string, while it gives an error in other modes.
4265 # The link.exe mode doesn't have a switch for getting the version,
4266 # but we can force it back to gnu mode and get the version from there.
4267 _ident=$($_cc -flavor gnu --version 2>/dev/null)
4269 _flags_filter=msvc_flags
4271 _ld_path='-libpath:'
4272 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
4274 _ident=$($_cc 2>&1 | head -n1)
4275 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
4276 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
4280 if $_cc -nologo- 2>&1 | grep -q Linker; then
4287 _flags_filter=msvc_flags
4289 _ld_path='-libpath:'
4292 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
4294 _ident=$($_cc --version | head -n1)
4298 _flags_filter=cparser_flags
4301 eval ${pfx}_type=\$_type
4302 eval ${pfx}_ident=\$_ident
4306 eval ${1}_C=\${_cc_c-\${${1}_C}}
4307 eval ${1}_E=\${_cc_e-\${${1}_E}}
4308 eval ${1}_O=\${_cc_o-\${${1}_O}}
4310 if [ -n "$_depflags" ]; then
4311 eval ${1}_DEPFLAGS=\$_depflags
4313 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
4314 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
4315 eval DEP${1}FLAGS=\$_flags
4319 probe_cc cc "$cc" "true"
4320 cflags_filter=$_flags_filter
4321 cflags_speed=$_cflags_speed
4322 cflags_size=$_cflags_size
4323 cflags_noopt=$_cflags_noopt
4324 add_cflags $_flags $_cflags
4325 cc_ldflags=$_ldflags
4329 probe_cc hostcc "$host_cc"
4330 host_cflags_filter=$_flags_filter
4331 host_cflags_speed=$_cflags_speed
4332 add_host_cflags $_flags $_cflags
4335 test -n "$cc_type" && enable $cc_type ||
4336 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
4338 : ${as_default:=$cc}
4339 : ${objcc_default:=$cc}
4340 : ${dep_cc_default:=$cc}
4341 : ${ld_default:=$cc}
4342 : ${host_ld_default:=$host_cc}
4343 set_default ar as objcc dep_cc ld ln_s host_ld windres
4346 asflags_filter=$_flags_filter
4347 add_asflags $_flags $_cflags
4350 probe_cc objcc "$objcc"
4351 objcflags_filter=$_flags_filter
4352 add_objcflags $_flags $_cflags
4356 ldflags_filter=$_flags_filter
4357 add_ldflags $_flags $_ldflags
4358 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
4360 LD_LIB=${_ld_lib-$LD_LIB}
4361 LD_PATH=${_ld_path-$LD_PATH}
4363 probe_cc hostld "$host_ld"
4364 host_ldflags_filter=$_flags_filter
4365 add_host_ldflags $_flags $_ldflags
4366 HOSTLD_O=${_ld_o-$HOSTLD_O}
4368 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
4369 probe_cc depcc "$dep_cc"
4370 CCDEP=${_DEPCMD:-$DEPCMD}
4371 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
4375 if $ar 2>&1 | grep -q Microsoft; then
4378 elif $ar 2>&1 | grep -q "\[D\] "; then
4386 add_cflags $extra_cflags
4387 add_cxxflags $extra_cxxflags
4388 add_objcflags $extra_objcflags
4389 add_asflags $extra_cflags
4391 if test -n "$sysroot"; then
4394 add_cppflags --sysroot="$sysroot"
4395 add_ldflags --sysroot="$sysroot"
4400 if test "$cpu" = host; then
4401 enabled cross_compile &&
4402 die "--cpu=host makes no sense when cross-compiling."
4407 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4409 s/.*$1=\\([^ ]*\\).*/\\1/
4414 cpu=$(check_native -march || check_native -mcpu)
4418 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4419 sed -n "/cc1.*-target-cpu /{
4420 s/.*-target-cpu \\([^ ]*\\).*/\\1/
4425 cpu=$(check_native -march)
4429 test "${cpu:-host}" = host &&
4430 die "--cpu=host not supported with compiler $cc"
4433 # Deal with common $arch aliases
4457 "Power Macintosh"|ppc*|powerpc*)
4472 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
4477 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
4480 # Add processor-specific flags
4481 if enabled aarch64; then
4485 cpuflags="-march=$cpu"
4488 cpuflags="-mcpu=$cpu"
4492 elif enabled alpha; then
4494 cpuflags="-mcpu=$cpu"
4496 elif enabled arm; then
4499 check_cpp_condition stddef.h \
4500 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4505 if check_arm_arch 4; then echo armv4
4506 elif check_arm_arch 4T; then echo armv4t
4507 elif check_arm_arch 5; then echo armv5
4508 elif check_arm_arch 5E; then echo armv5e
4509 elif check_arm_arch 5T; then echo armv5t
4510 elif check_arm_arch 5TE; then echo armv5te
4511 elif check_arm_arch 5TEJ; then echo armv5te
4512 elif check_arm_arch 6; then echo armv6
4513 elif check_arm_arch 6J; then echo armv6j
4514 elif check_arm_arch 6K; then echo armv6k
4515 elif check_arm_arch 6Z; then echo armv6z
4516 elif check_arm_arch 6ZK; then echo armv6zk
4517 elif check_arm_arch 6T2; then echo armv6t2
4518 elif check_arm_arch 7; then echo armv7
4519 elif check_arm_arch 7A 7_A; then echo armv7-a
4520 elif check_arm_arch 7S; then echo armv7-a
4521 elif check_arm_arch 7R 7_R; then echo armv7-r
4522 elif check_arm_arch 7M 7_M; then echo armv7-m
4523 elif check_arm_arch 7EM 7E_M; then echo armv7-m
4524 elif check_arm_arch 8A 8_A; then echo armv8-a
4528 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4532 cpuflags="-march=$cpu"
4533 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4536 cpuflags="-mcpu=$cpu"
4538 cortex-a*) subarch=armv7a ;;
4539 cortex-r*) subarch=armv7r ;;
4540 cortex-m*) enable thumb; subarch=armv7m ;;
4541 arm11*) subarch=armv6 ;;
4542 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4543 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4544 *) subarch=$(probe_arm_arch) ;;
4550 armv5t*) enable fast_clz ;;
4553 disabled fast_unaligned || enable fast_unaligned
4557 elif enabled avr32; then
4562 cpuflags="-mpart=$cpu"
4566 cpuflags="-march=$cpu"
4570 cpuflags="-mcpu=$cpu"
4574 cpuflags="-march=$cpu"
4578 elif enabled bfin; then
4580 cpuflags="-mcpu=$cpu"
4582 elif enabled mips; then
4584 cpuflags="-march=$cpu"
4586 if [ "$cpu" != "generic" ]; then
4596 24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)
4607 enable local_aligned
4608 enable simd_align_16
4612 enable fast_unaligned
4613 disable aligned_stack
4619 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4622 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4625 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4630 # Unknown CPU. Disable everything.
4631 warn "unknown CPU. Disabling all MIPS optimizations."
4654 24kef*|34kf*|1004kf*)
4662 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"
4666 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4670 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4674 # We do not disable anything. Is up to the user to disable the unwanted features.
4675 warn 'generic cpu selected'
4678 elif enabled ppc; then
4682 case $(tolower $cpu) in
4683 601|ppc601|powerpc601)
4684 cpuflags="-mcpu=601"
4687 603*|ppc603*|powerpc603*)
4688 cpuflags="-mcpu=603"
4691 604*|ppc604*|powerpc604*)
4692 cpuflags="-mcpu=604"
4695 g3|75*|ppc75*|powerpc75*)
4696 cpuflags="-mcpu=750"
4699 g4|745*|ppc745*|powerpc745*)
4700 cpuflags="-mcpu=7450"
4703 74*|ppc74*|powerpc74*)
4704 cpuflags="-mcpu=7400"
4707 g5|970|ppc970|powerpc970)
4708 cpuflags="-mcpu=970"
4712 cpuflags="-mcpu=$cpu"
4716 cpuflags="-mcpu=$cpu"
4719 cpuflags="-mcpu=cell"
4724 cpuflags="-mcpu=e500mc"
4728 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4733 cpuflags="-mcpu=8540 -mhard-float"
4739 elif enabled sparc; then
4742 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4743 cpuflags="-mcpu=$cpu"
4745 ultrasparc*|niagara[234])
4746 cpuflags="-mcpu=$cpu"
4750 elif enabled x86; then
4754 cpuflags="-march=$cpu"
4758 # targets that do NOT support nopl and conditional mov (cmov)
4759 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4760 cpuflags="-march=$cpu"
4763 # targets that do support nopl and conditional mov (cmov)
4764 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4765 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\
4766 |amdfam10|barcelona|b[dt]ver*|znver*)
4767 cpuflags="-march=$cpu"
4771 # targets that do support conditional mov but on which it's slow
4772 pentium4|pentium4m|prescott|nocona)
4773 cpuflags="-march=$cpu"
4781 if [ "$cpu" != generic ]; then
4782 add_cflags $cpuflags
4783 add_asflags $cpuflags
4784 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4787 # compiler sanity check
4789 int main(void){ return 0; }
4791 if test "$?" != 0; then
4792 echo "$cc is unable to create an executable file."
4793 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4794 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4795 echo "Only do this if you know what cross compiling means."
4797 die "C compiler test failed."
4800 add_cppflags -D_ISOC99_SOURCE
4801 add_cxxflags -D__STDC_CONSTANT_MACROS
4802 check_cxxflags -std=c++11 || check_cxxflags -std=c++0x
4804 # some compilers silently accept -std=c11, so we also need to check that the
4805 # version macro is defined properly
4806 test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L" &&
4807 add_cflags -std=c11 ||
4808 check_cflags -std=c99
4810 check_cppflags -D_FILE_OFFSET_BITS=64
4811 check_cppflags -D_LARGEFILE_SOURCE
4813 add_host_cppflags -D_ISOC99_SOURCE
4814 check_host_cflags -std=c99
4815 check_host_cflags -Wall
4816 check_host_cflags $host_cflags_speed
4822 check_code cc "" "int test[2*($expr) - 1]" &&
4823 subarch=$arch64 || subarch=$arch32
4831 check_64bit mips mips64 '_MIPS_SIM > 1'
4835 check_64bit parisc parisc64 'sizeof(void *) > 4'
4839 check_64bit ppc ppc64 'sizeof(void *) > 4'
4843 check_64bit s390 s390x 'sizeof(void *) > 4'
4847 check_64bit sparc sparc64 'sizeof(void *) > 4'
4851 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4852 # Treat x32 as x64 for now. Note it also needs spic=$shared
4853 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4855 if test "$subarch" = "x86_64"; then
4860 check_cc <<EOF && subarch="ppc64"
4861 int test[(int)sizeof(char*) - 7];
4867 enabled spic && enable_weak pic
4869 enabled x86_64 && objformat=elf64 || objformat="elf32"
4875 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4876 enabled shared && add_ldflags -Wl,-brtl
4877 arflags='-Xany -r -c'
4881 enable section_data_rel_ro
4882 SLIB_INSTALL_NAME='$(SLIBNAME)'
4884 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
4887 prefix_default="/boot/common"
4888 network_extralibs="-lnetwork"
4892 SHFLAGS='-shared -Wl,-h,$$(@F)'
4893 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
4894 network_extralibs="-lsocket -lnsl"
4895 add_cppflags -D__EXTENSIONS__
4896 # When using suncc to build, the Solaris linker will mark
4897 # an executable with each instruction set encountered by
4898 # the Solaris assembler. As our libraries contain their own
4899 # guards for processor-specific code, instead suppress
4900 # generation of the HWCAPS ELF section on Solaris x86 only.
4901 enabled_all suncc x86 &&
4902 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4903 add_ldflags -Wl,-M,mapfile
4904 nm_default='nm -P -g'
4906 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
4910 oss_indev_extralibs="-lossaudio"
4911 oss_outdev_extralibs="-lossaudio"
4912 enabled gcc || check_ldflags -Wl,-zmuldefs
4917 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4919 oss_indev_extralibs="-lossaudio"
4920 oss_outdev_extralibs="-lossaudio"
4928 add_extralibs -lpoll -lgnugetopt
4932 enabled ppc && add_asflags -force_cpusubtype_ALL
4933 install_name_dir_default='$(SHLIBDIR)'
4934 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4935 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4937 add_ldflags -Wl,-dynamic,-search_paths_first
4938 check_cflags -Werror=partial-availability
4940 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4941 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4942 enabled x86_64 && objformat="macho64" || objformat="macho32"
4943 enabled_any pic shared x86_64 ||
4944 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4945 check_header dispatch/dispatch.h &&
4946 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
4947 if test -n "$sysroot"; then
4948 is_in -isysroot $cc $CPPFLAGS $CFLAGS || check_cppflags -isysroot $sysroot
4949 is_in -isysroot $ld $LDFLAGS || check_ldflags -isysroot $sysroot
4951 version_script='-exported_symbols_list'
4952 VERSION_SCRIPT_POSTPROCESS_CMD='tr " " "\n" | sed -n /global:/,/local:/p | grep ";" | tr ";" "\n" | sed -E "s/(.+)/_\1/g" | sed -E "s/(.+[^*])$$$$/\1*/"'
4955 die "Native MSYS builds are discouraged, please use the MINGW environment."
4959 if enabled shared; then
4960 # Cannot build both shared and static libs when using dllexport.
4963 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4964 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4965 shlibdir_default="$bindir_default"
4968 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4969 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4970 SLIB_EXTRA_CMD='cp $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4971 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4973 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4974 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4975 SLIB_CREATE_DEF_CMD='ARCH="$(ARCH)" AR="$(AR_CMD)" NM="$(NM_CMD)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4976 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--disable-auto-image-base $$(@:$(SLIBSUF)=.def)'
4977 enabled x86_64 && objformat="win64" || objformat="win32"
4980 check_ldflags -Wl,--nxcompat,--dynamicbase
4981 # Lets work around some stupidity in binutils.
4982 # ld will strip relocations from executables even though we need them
4983 # for dynamicbase (ASLR). Using -pie does retain the reloc section
4984 # however ld then forgets what the entry point should be (oops) so we
4985 # have to manually (re)set it.
4986 if enabled x86_32; then
4987 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
4988 elif enabled x86_64; then
4989 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
4990 check_ldflags -Wl,--high-entropy-va # binutils 2.25
4991 # Set image base >4GB for extra entropy with HEASLR
4992 add_ldexeflags -Wl,--image-base,0x140000000
4993 append SHFLAGS -Wl,--image-base,0x180000000
4998 if enabled shared; then
4999 # Link to the import library instead of the normal static library
5002 # Cannot build both shared and static libs with MSVC or icl.
5005 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
5006 shlibdir_default="$bindir_default"
5009 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5010 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5011 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
5012 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5014 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
5015 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
5016 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
5017 enabled x86_64 && objformat="win64" || objformat="win32"
5023 shlibdir_default="$bindir_default"
5026 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5027 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
5028 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5030 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
5031 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
5032 enabled x86_64 && objformat="win64" || objformat="win32"
5034 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
5035 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5037 *-dos|freedos|opendos)
5038 network_extralibs="-lsocket"
5041 add_cppflags -U__STRICT_ANSI__
5044 enable section_data_rel_ro
5045 enabled_any arm aarch64 && enable_weak linux_perf
5049 ranlib="echo ignoring ranlib"
5055 add_cppflags -D_GNU_SOURCE
5056 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap
5057 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
5061 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
5062 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
5063 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \
5064 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \
5065 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \
5066 echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \
5067 emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def'
5068 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \
5069 emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;'
5070 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
5072 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib'
5074 enable_weak os2threads
5077 add_cppflags -D_BSD_SOURCE
5082 add_cppflags -D_QNX_SOURCE
5083 network_extralibs="-lsocket"
5088 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
5089 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
5090 add_ldflags -Wl,--target1-abs,--no-undefined \
5091 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
5092 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
5093 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
5094 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
5095 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
5102 die "Unknown OS '$target_os'."
5106 # test if creating links works
5107 link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)
5108 link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)
5110 $ln_s "$link_dest" "$link_name"
5111 touch "$link_dest/test_file"
5112 if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then
5113 # create link to source path
5114 [ -e src ] && rm src
5115 $ln_s "$source_path" src
5118 # creating directory links doesn't work
5119 # fall back to using the full source path
5120 source_link="$source_path"
5126 # determine libc flavour
5131 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
5132 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
5133 eval ${pfx}libc_type=uclibc
5134 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5135 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
5136 eval ${pfx}libc_type=glibc
5137 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5138 # MinGW headers can be installed on Cygwin, so check for newlib first.
5139 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
5140 eval ${pfx}libc_type=newlib
5141 add_${pfx}cppflags -U__STRICT_ANSI__ -D_XOPEN_SOURCE=600
5142 # MinGW64 is backwards compatible with MinGW32, so check for it first.
5143 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
5144 eval ${pfx}libc_type=mingw64
5145 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
5146 add_compat msvcrt/snprintf.o
5147 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
5149 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5150 eval test \$${pfx_no_}cc_type = "gcc" &&
5151 add_${pfx}cppflags -D__printf__=__gnu_printf__
5152 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
5153 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
5154 eval ${pfx}libc_type=mingw32
5155 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
5156 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
5157 die "ERROR: MinGW32 runtime version must be >= 3.15."
5158 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5159 check_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700" &&
5160 add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700
5161 check_${pfx}cpp_condition windows.h "defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0502" &&
5162 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
5163 eval test \$${pfx_no_}cc_type = "gcc" &&
5164 add_${pfx}cppflags -D__printf__=__gnu_printf__
5165 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
5166 eval ${pfx}libc_type=msvcrt
5167 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
5168 if [ "$pfx" = host_ ]; then
5169 add_host_cppflags -Dsnprintf=_snprintf
5171 add_compat strtod.o strtod=avpriv_strtod
5172 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
5173 _snprintf=avpriv_snprintf \
5174 vsnprintf=avpriv_vsnprintf
5177 add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS
5178 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
5179 # 0x601 by default unless something else is set by the user.
5180 # This can easily lead to us detecting functions only present
5181 # in such new versions and producing binaries requiring windows 7.0.
5182 # Therefore explicitly set the default to XP unless the user has
5183 # set something else on the command line.
5184 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
5185 # family. For these cases, configure is free to use any functions
5186 # found in the SDK headers by default. (Alternatively, we could force
5187 # _WIN32_WINNT to 0x0602 in that case.)
5188 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
5189 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }
5190 #ifdef WINAPI_FAMILY
5191 #include <winapifamily.h>
5192 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
5197 if [ "$pfx" = "" ]; then
5198 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
5199 check_func strtoull || add_cflags -Dstrtoull=_strtoui64
5201 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
5202 eval ${pfx}libc_type=klibc
5203 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
5204 eval ${pfx}libc_type=bionic
5205 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
5206 eval ${pfx}libc_type=solaris
5207 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
5209 check_${pfx}cc <<EOF
5211 void *v = localtime_r;
5213 test "$?" != 0 && check_${pfx}cc -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 <<EOF && add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5215 void *v = localtime_r;
5218 eval test -n "\${${pfx}libc_type}" && enable ${pfx}libc_${libc_type}
5224 # hacks for compiler/libc/os combinations
5228 add_compat strtod.o strtod=avpriv_strtod
5232 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
5233 add_cppflags '-I\$(SRC_PATH)/compat/float'
5235 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
5238 : ${shlibdir_default:="$libdir"}
5239 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
5241 set_default $PATHS_LIST
5244 disabled optimizations || enabled ossfuzz || check_cflags -fomit-frame-pointer
5247 disabled pic && return
5250 case "$target_os" in
5251 mingw*|cygwin*|win*)
5260 enabled pic && enable_weak_pic
5262 check_cc <<EOF || die "Symbol mangling check failed."
5265 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
5266 extern_prefix=${sym%%ff_extern*}
5268 ! disabled inline_asm && check_inline_asm inline_asm '"" ::'
5271 for restrict_keyword in restrict __restrict__ __restrict; do
5272 check_cc <<EOF && _restrict=$restrict_keyword && break
5273 void foo(char * $restrict_keyword p);
5277 check_cc <<EOF && enable pragma_deprecated
5278 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
5281 check_cc <<EOF || die "endian test failed"
5282 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
5284 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
5286 check_cc <<EOF && enable const_nan
5288 void foo(void) { struct { double d; } static const bar[] = { { NAN } }; }
5291 if ! enabled ppc64 || enabled bigendian; then
5296 log "check_gas using '$as' as AS"
5297 # :vararg is used on aarch64, arm and ppc altivec
5298 check_as <<EOF || return 1
5299 .macro m n, y:vararg=0
5304 # .altmacro is only used in arm asm
5305 ! enabled arm || check_as <<EOF || return 1
5312 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
5314 enabled_any arm aarch64 && nogas=die
5315 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
5319 arm*) gaspp_as_type=armasm; as_noop=-h ;;
5320 gcc) gaspp_as_type=gas ;;
5321 *) gaspp_as_type=$as_type ;;
5324 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
5326 test "${as#*gas-preprocessor.pl}" != "$as" ||
5327 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
5328 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
5330 if ! check_gas ; then
5333 $nogas "GNU assembler not found, install/update gas-preprocessor"
5336 check_as <<EOF && enable as_func
5342 check_inline_asm inline_asm_labels '"1:\n"'
5344 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
5346 if enabled aarch64; then
5347 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
5348 # internal assembler in clang 3.3 does not support this instruction
5349 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
5350 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
5352 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
5354 elif enabled alpha; then
5358 elif enabled arm; then
5360 enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb
5362 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
5363 float func(float a, float b){ return a+b; }
5366 enabled thumb && check_cflags -mthumb || check_cflags -marm
5368 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
5370 elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
5372 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
5373 case "${cross_prefix:-$cc}" in
5374 *hardfloat*) enable vfp_args; fpabi=vfp ;;
5375 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
5376 __asm__ (".eabi_attribute 28, 1");
5377 int main(void) { return 0; }
5380 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
5383 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
5384 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
5385 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
5386 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
5387 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
5388 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
5389 enabled setend && check_insn setend 'setend be'
5391 [ $target_os = linux ] || [ $target_os = android ] ||
5392 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
5395 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
5397 check_as <<EOF && enable as_arch_directive
5400 check_as <<EOF && enable as_fpu_directive
5404 # llvm's integrated assembler supports .object_arch from llvm 3.5
5405 [ "$objformat" = elf32 ] || [ "$objformat" = elf64 ] &&
5406 check_as <<EOF && enable as_object_arch
5410 # MS armasm fails to assemble our PIC constructs
5411 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
5413 elif enabled mips; then
5415 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
5416 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
5417 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
5419 # Enable minimum ISA based on selected options
5420 if enabled mips64; then
5421 enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'
5422 enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'
5423 disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'
5425 enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'
5426 enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'
5427 enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'
5428 disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'
5431 enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'
5432 enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'
5433 enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_header msa.h || disable msa
5434 enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'
5435 enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'
5437 if enabled bigendian && enabled msa; then
5441 elif enabled parisc; then
5443 if enabled gcc; then
5444 case $($cc -dumpversion) in
5445 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
5449 elif enabled ppc; then
5451 enable local_aligned
5453 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
5454 check_inline_asm ibm_asm '"add 0, 0, 0"'
5455 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
5456 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
5458 if enabled altivec; then
5459 check_cflags -maltivec -mabi=altivec
5461 # check if our compiler supports Motorola AltiVec C API
5462 check_code cc altivec.h "vector signed int v1 = (vector signed int) { 0 };
5463 vector signed int v2 = (vector signed int) { 1 };
5464 v1 = vec_add(v1, v2);" ||
5467 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
5470 if enabled vsx; then
5471 check_cflags -mvsx &&
5472 check_code cc altivec.h "int v[4] = { 0 };
5473 vector signed int v1 = vec_vsx_ld(0, v);" ||
5477 if enabled power8; then
5478 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
5481 elif enabled x86; then
5483 check_builtin rdtsc intrin.h "__rdtsc()"
5484 check_builtin mm_empty mmintrin.h "_mm_empty()"
5486 enable local_aligned
5488 # check whether EBP is available on x86
5489 # As 'i' is stored on the stack, this program will crash
5490 # if the base pointer is used to access it because the
5491 # base pointer is cleared in the inline assembly code.
5492 check_exec_crash <<EOF && enable ebp_available
5494 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
5498 # check whether EBX is available on x86
5499 check_inline_asm ebx_available '""::"b"(0)' &&
5500 check_inline_asm ebx_available '"":::"%ebx"'
5502 # check whether xmm clobbers are supported
5503 check_inline_asm xmm_clobbers '"":::"%xmm0"'
5505 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
5506 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
5508 # check whether binutils is new enough to compile SSSE3/MMXEXT
5509 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
5510 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
5514 if check_cmd $x86asmexe_probe -v; then
5515 x86asmexe=$x86asmexe_probe
5517 x86asm_debug="-g -F dwarf"
5519 X86ASM_DEPFLAGS='-MD $(@:.o=.d)'
5520 elif check_cmd $x86asmexe_probe --version; then
5521 x86asmexe=$x86asmexe_probe
5523 x86asm_debug="-g dwarf2"
5524 X86ASMDEP='$(DEPX86ASM) $(X86ASMFLAGS) -M $(X86ASM_O) $< > $(@:.o=.d)'
5527 check_x86asm "movbe ecx, [5]" && enable x86asm
5530 if ! disabled_any asm mmx x86asm; then
5532 for program in $x86asmexe nasm yasm; do
5533 probe_x86asm $program && break
5535 disabled x86asm && die "nasm/yasm not found or too old. Use --disable-x86asm for a crippled build."
5536 X86ASMFLAGS="-f $objformat"
5537 enabled pic && append X86ASMFLAGS "-DPIC"
5538 test -n "$extern_prefix" && append X86ASMFLAGS "-DPREFIX"
5539 case "$objformat" in
5540 elf*) enabled debug && append X86ASMFLAGS $x86asm_debug ;;
5543 check_x86asm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
5544 check_x86asm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
5545 check_x86asm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
5546 check_x86asm "CPU amdnop" || disable cpunop
5550 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
5557 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
5559 check_ldflags -Wl,--as-needed
5560 check_ldflags -Wl,-z,noexecstack
5562 if ! disabled network; then
5563 check_func getaddrinfo $network_extralibs
5564 check_func inet_aton $network_extralibs
5566 check_type netdb.h "struct addrinfo"
5567 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
5568 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
5569 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
5570 check_type poll.h "struct pollfd"
5571 check_type netinet/sctp.h "struct sctp_event_subscribe"
5572 check_struct "sys/socket.h" "struct msghdr" msg_flags
5573 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5574 check_type netinet/in.h "struct sockaddr_in6"
5575 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
5576 check_type "sys/types.h sys/socket.h" socklen_t
5578 # Prefer arpa/inet.h over winsock2
5579 if check_header arpa/inet.h ; then
5580 check_func closesocket
5581 elif check_header winsock2.h ; then
5582 check_func_headers winsock2.h closesocket -lws2 &&
5583 network_extralibs="-lws2" ||
5584 { check_func_headers winsock2.h closesocket -lws2_32 &&
5585 network_extralibs="-lws2_32"; } || disable winsock2_h network
5586 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
5588 check_type ws2tcpip.h socklen_t
5589 check_type ws2tcpip.h "struct addrinfo"
5590 check_type ws2tcpip.h "struct group_source_req"
5591 check_type ws2tcpip.h "struct ip_mreq_source"
5592 check_type ws2tcpip.h "struct ipv6_mreq"
5593 check_type winsock2.h "struct pollfd"
5594 check_struct winsock2.h "struct sockaddr" sa_len
5595 check_type ws2tcpip.h "struct sockaddr_in6"
5596 check_type ws2tcpip.h "struct sockaddr_storage"
5602 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
5603 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
5604 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
5605 check_builtin sarestart signal.h "SA_RESTART"
5606 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
5607 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
5608 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
5609 check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR"
5611 case "$custom_allocator" in
5613 # jemalloc by default does not use a prefix
5614 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
5617 require_pkg_config libtcmalloc libtcmalloc gperftools/tcmalloc.h tc_malloc
5622 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
5623 check_func ${malloc_prefix}memalign && enable memalign
5624 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5627 check_func_headers stdlib.h arc4random
5628 check_lib clock_gettime time.h clock_gettime || check_lib clock_gettime time.h clock_gettime -lrt
5631 check_func gethrtime
5633 check_func getrusage
5634 check_func gettimeofday
5639 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5640 check_func_headers time.h nanosleep || check_lib nanosleep time.h nanosleep -lrt
5641 check_func sched_getaffinity
5642 check_func setrlimit
5643 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5644 check_func strerror_r
5649 check_func_headers conio.h kbhit
5650 check_func_headers io.h setmode
5651 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5652 check_func_headers mach/mach_time.h mach_absolute_time
5653 check_func_headers stdlib.h getenv
5654 check_func_headers sys/stat.h lstat
5656 check_func_headers windows.h GetProcessAffinityMask
5657 check_func_headers windows.h GetProcessTimes
5658 check_func_headers windows.h GetSystemTimeAsFileTime
5659 check_func_headers windows.h LoadLibrary
5660 check_func_headers windows.h MapViewOfFile
5661 check_func_headers windows.h PeekNamedPipe
5662 check_func_headers windows.h SetConsoleTextAttribute
5663 check_func_headers windows.h SetConsoleCtrlHandler
5664 check_func_headers windows.h Sleep
5665 check_func_headers windows.h VirtualAlloc
5666 check_struct windows.h "CONDITION_VARIABLE" Ptr
5667 check_func_headers glob.h glob
5669 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5671 check_header direct.h
5672 check_header dirent.h
5673 check_header dxgidebug.h
5675 check_header dxva2api.h -D_WIN32_WINNT=0x0600
5677 check_header libcrystalhd/libcrystalhd_if.h
5678 check_header malloc.h
5679 check_header net/udplite.h
5681 check_header sys/param.h
5682 check_header sys/resource.h
5683 check_header sys/select.h
5684 check_header sys/time.h
5685 check_header sys/un.h
5686 check_header termios.h
5687 check_header unistd.h
5688 check_header valgrind/valgrind.h
5689 check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox
5690 check_header windows.h
5691 check_header X11/extensions/XvMClib.h
5692 check_header asm/types.h
5694 # it seems there are versions of clang in some distros that try to use the
5695 # gcc headers, which explodes for stdatomic
5696 # so we also check that atomics actually work here
5697 check_builtin stdatomic stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0)"
5699 check_lib advapi32 "windows.h" RegCloseKey -ladvapi32
5700 check_lib ole32 "windows.h" CoTaskMemFree -lole32
5701 check_lib shell32 "windows.h shellapi.h" CommandLineToArgvW -lshell32
5702 check_lib wincrypt "windows.h wincrypt.h" CryptGenRandom -ladvapi32
5703 check_lib psapi "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5705 enabled appkit && check_apple_framework AppKit
5706 enabled audiotoolbox && check_apple_framework AudioToolbox
5707 enabled avfoundation && check_apple_framework AVFoundation
5708 enabled coreimage && check_apple_framework CoreImage
5709 enabled videotoolbox && check_apple_framework VideoToolbox
5711 check_apple_framework CoreFoundation
5712 check_apple_framework CoreMedia
5713 check_apple_framework CoreVideo
5715 enabled avfoundation && {
5716 disable coregraphics applicationservices
5717 check_lib coregraphics CoreGraphics/CoreGraphics.h CGGetActiveDisplayList "-framework CoreGraphics" ||
5718 check_lib applicationservices ApplicationServices/ApplicationServices.h CGGetActiveDisplayList "-framework ApplicationServices"; }
5720 enabled videotoolbox && {
5721 check_lib coreservices CoreServices/CoreServices.h UTGetOSTypeFromString "-framework CoreServices"
5722 check_func_headers CoreMedia/CMFormatDescription.h kCMVideoCodecType_HEVC "-framework CoreMedia"
5725 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
5727 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5728 check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5729 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
5730 check_type "windows.h d3d11.h" "ID3D11VideoContext"
5731 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
5733 check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC"
5734 check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth
5735 check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"
5736 check_type "va/va.h va/va_enc_h264.h" "VAEncPictureParameterBufferH264"
5737 check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"
5738 check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"
5739 check_type "va/va.h va/va_enc_mpeg2.h" "VAEncPictureParameterBufferMPEG2"
5740 check_type "va/va.h va/va_enc_vp8.h" "VAEncPictureParameterBufferVP8"
5741 check_type "va/va.h va/va_enc_vp9.h" "VAEncPictureParameterBufferVP9"
5743 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
5745 check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt
5747 if ! disabled w32threads && ! enabled pthreads; then
5748 check_func_headers "windows.h process.h" _beginthreadex &&
5749 enable w32threads || disable w32threads
5750 if ! enabled w32threads && enabled winrt; then
5751 check_func_headers "windows.h" CreateThread &&
5752 enable w32threads || disable w32threads
5756 # check for some common methods of building with pthread support
5757 # do this before the optional library checks as some of them require pthreads
5758 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
5759 if check_lib pthreads pthread.h pthread_join -pthread &&
5760 check_lib pthreads pthread.h pthread_create -pthread; then
5762 elif check_lib pthreads pthread.h pthread_join -pthreads &&
5763 check_lib pthreads pthread.h pthread_create -pthreads; then
5764 add_cflags -pthreads
5765 elif check_lib pthreads pthread.h pthread_join -ldl -pthread &&
5766 check_lib pthreads pthread.h pthread_create -ldl -pthread; then
5767 add_cflags -ldl -pthread
5768 elif check_lib pthreads pthread.h pthread_join -lpthreadGC2 &&
5769 check_lib pthreads pthread.h pthread_create -lpthreadGC2; then
5771 elif check_lib pthreads pthread.h pthread_join -lpthread &&
5772 check_lib pthreads pthread.h pthread_create -lpthread; then
5774 elif check_func pthread_join && check_func pthread_create; then
5777 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
5781 if enabled pthreads; then
5782 check_func pthread_cancel $pthreads_extralibs
5786 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" $pthreads_extralibs
5788 enabled zlib && check_lib zlib zlib.h zlibVersion -lz
5789 enabled bzlib && check_lib bzlib bzlib.h BZ2_bzlibVersion -lbz2
5790 enabled lzma && check_lib lzma lzma.h lzma_version_number -llzma
5792 # On some systems dynamic loading requires no extra linker flags
5793 check_lib libdl dlfcn.h "dlopen dlsym" || check_lib libdl dlfcn.h "dlopen dlsym" -ldl
5795 check_lib libm math.h sin -lm
5803 for func in $MATH_FUNCS; do
5804 eval check_mathfunc $func \${${func}_args:-1} $libm_extralibs
5807 for func in $COMPLEX_FUNCS; do
5808 eval check_complexfunc $func \${${func}_args:-1}
5811 # these are off by default, so fail if requested and not available
5812 enabled cuda_sdk && require cuda_sdk cuda.h cuCtxCreate -lcuda
5813 enabled cuvid && { enabled cuda ||
5814 die "ERROR: CUVID requires CUDA"; }
5815 enabled nvdec && { enabled cuda ||
5816 die "ERROR: NVDEC hwaccel requires CUDA"; }
5817 enabled chromaprint && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
5818 enabled decklink && { require_header DeckLinkAPI.h &&
5819 { check_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a060100" || die "ERROR: Decklink API version must be >= 10.6.1."; } }
5820 enabled libndi_newtek && require_header Processing.NDI.Lib.h
5821 enabled frei0r && require_header frei0r.h
5822 enabled gmp && require gmp gmp.h mpz_export -lgmp
5823 enabled gnutls && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init
5824 enabled jni && { [ $target_os = "android" ] && check_header jni.h && enabled pthreads || die "ERROR: jni not found"; }
5825 enabled ladspa && require_header ladspa.h
5826 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
5827 enabled libass && require_pkg_config libass libass ass/ass.h ass_library_init
5828 enabled libbluray && require_pkg_config libbluray libbluray libbluray/bluray.h bd_open
5829 enabled libbs2b && require_pkg_config libbs2b libbs2b bs2b.h bs2b_open
5830 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
5831 { check_lib libcelt celt/celt.h celt_decoder_create_custom -lcelt0 ||
5832 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
5833 enabled libcaca && require_pkg_config libcaca caca caca.h caca_create_canvas
5834 enabled libdc1394 && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new
5835 enabled libdrm && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion
5836 enabled libfdk_aac && { check_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
5837 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
5838 warn "using libfdk without pkg-config"; } }
5839 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"
5840 enabled libflite && require libflite "flite/flite.h" flite_init $flite_extralibs
5841 enabled fontconfig && enable libfontconfig
5842 enabled libfontconfig && require_pkg_config libfontconfig fontconfig "fontconfig/fontconfig.h" FcInit
5843 enabled libfreetype && require_pkg_config libfreetype freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType
5844 enabled libfribidi && require_pkg_config libfribidi fribidi fribidi.h fribidi_version_info
5845 enabled libgme && { check_pkg_config libgme libgme gme/gme.h gme_new_emu ||
5846 require libgme gme/gme.h gme_new_emu -lgme -lstdc++; }
5847 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
5848 check_lib libgsm "${gsm_hdr}" gsm_create -lgsm && break;
5849 done || die "ERROR: libgsm not found"; }
5850 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc $pthreads_extralibs
5851 enabled libkvazaar && require_pkg_config libkvazaar "kvazaar >= 0.8.1" kvazaar.h kvz_api_get
5852 # While it may appear that require is being used as a pkg-config
5853 # fallback for libmfx, it is actually being used to detect a different
5854 # installation route altogether. If libmfx is installed via the Intel
5855 # Media SDK or Intel Media Server Studio, these don't come with
5856 # pkg-config support. Instead, users should make sure that the build
5857 # can find the libraries and headers through other means.
5858 enabled libmfx && { check_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit ||
5859 { require libmfx "mfx/mfxvideo.h" MFXInit "-llibmfx $advapi32_extralibs" && warn "using libmfx without pkg-config"; } }
5860 enabled libmodplug && require_pkg_config libmodplug libmodplug libmodplug/modplug.h ModPlug_Load
5861 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
5862 enabled libmysofa && require libmysofa "mysofa.h" mysofa_load -lmysofa $zlib_extralibs
5863 enabled libnpp && { check_lib libnpp npp.h nppGetLibVersion -lnppig -lnppicc -lnppc ||
5864 check_lib libnpp npp.h nppGetLibVersion -lnppi -lnppc ||
5865 die "ERROR: libnpp not found"; }
5866 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
5867 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
5868 enabled libopencv && { check_header opencv2/core/core_c.h &&
5869 { check_pkg_config libopencv opencv opencv2/core/core_c.h cvCreateImageHeader ||
5870 require libopencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||
5871 require_pkg_config libopencv opencv opencv/cxcore.h cvCreateImageHeader; }
5872 enabled libopenh264 && require_pkg_config libopenh264 openh264 wels/codec_api.h WelsGetCodecVersion
5873 enabled libopenjpeg && { check_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version ||
5874 { require_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } }
5875 enabled libopenmpt && require_pkg_config libopenmpt "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create -lstdc++ && append libopenmpt_extralibs "-lstdc++"
5876 enabled libopus && {
5877 enabled libopus_decoder && {
5878 require_pkg_config libopus opus opus_multistream.h opus_multistream_decoder_create
5880 enabled libopus_encoder && {
5881 require_pkg_config libopus opus opus_multistream.h opus_multistream_surround_encoder_create
5884 enabled libpulse && require_pkg_config libpulse libpulse pulse/pulseaudio.h pa_context_new
5885 enabled librsvg && require_pkg_config librsvg librsvg-2.0 librsvg-2.0/librsvg/rsvg.h rsvg_handle_render_cairo
5886 enabled librtmp && require_pkg_config librtmp librtmp librtmp/rtmp.h RTMP_Socket
5887 enabled librubberband && require_pkg_config librubberband "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new -lstdc++ && append librubberband_extralibs "-lstdc++"
5888 enabled libshine && require_pkg_config libshine shine shine/layer3.h shine_encode_buffer
5889 enabled libsmbclient && { check_pkg_config libsmbclient smbclient libsmbclient.h smbc_init ||
5890 require libsmbclient libsmbclient.h smbc_init -lsmbclient; }
5891 enabled libsnappy && require libsnappy snappy-c.h snappy_compress -lsnappy -lstdc++
5892 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
5893 enabled libssh && require_pkg_config libssh libssh libssh/sftp.h sftp_init
5894 enabled libspeex && require_pkg_config libspeex speex speex/speex.h speex_decoder_init
5895 enabled libtesseract && require_pkg_config libtesseract tesseract tesseract/capi.h TessBaseAPICreate
5896 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
5897 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
5898 { check_lib libtwolame twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
5899 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
5900 enabled libv4l2 && require_pkg_config libv4l2 libv4l2 libv4l2.h v4l2_ioctl
5901 enabled libvidstab && require_pkg_config libvidstab "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
5902 enabled libvmaf && require_pkg_config libvmaf libvmaf libvmaf.h compute_vmaf
5903 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
5904 enabled libvorbis && require_pkg_config libvorbis vorbis vorbis/codec.h vorbis_info_init &&
5905 require_pkg_config libvorbisenc vorbisenc vorbis/vorbisenc.h vorbis_encode_init
5908 enabled libvpx_vp8_decoder && {
5909 check_pkg_config libvpx_vp8_decoder "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
5910 check_lib libvpx_vp8_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
5911 die "ERROR: libvpx decoder version must be >=0.9.1";
5913 enabled libvpx_vp8_encoder && {
5914 check_pkg_config libvpx_vp8_encoder "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
5915 check_lib libvpx_vp8_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
5916 die "ERROR: libvpx encoder version must be >=0.9.7";
5918 enabled libvpx_vp9_decoder && {
5919 check_pkg_config libvpx_vp9_decoder "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
5920 check_lib libvpx_vp9_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx
5922 enabled libvpx_vp9_encoder && {
5923 check_pkg_config libvpx_vp9_encoder "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
5924 check_lib libvpx_vp9_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx
5926 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
5927 die "libvpx enabled but no supported decoders found"
5931 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
5932 enabled libwebp && {
5933 enabled libwebp_encoder && require_pkg_config libwebp "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
5934 enabled libwebp_anim_encoder && check_pkg_config libwebp_anim_encoder "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit; }
5935 enabled libx264 && { check_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode ||
5936 { require libx264 "stdint.h x264.h" x264_encoder_encode -lx264 &&
5937 warn "using libx264 without pkg-config"; } } &&
5938 require_cpp_condition x264.h "X264_BUILD >= 118" &&
5939 { check_cpp_condition x264.h "X264_MPEG2" &&
5941 enabled libx265 && require_pkg_config libx265 x265 x265.h x265_api_get &&
5942 require_cpp_condition x265.h "X265_BUILD >= 68"
5943 enabled libxavs && require libxavs "stdint.h xavs.h" xavs_encoder_encode "-lxavs $pthreads_extralibs $libm_extralibs"
5944 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
5945 enabled libzimg && require_pkg_config libzimg "zimg >= 2.3.0" zimg.h zimg_get_api_version
5946 enabled libzmq && require_pkg_config libzmq libzmq zmq.h zmq_ctx_new
5947 enabled libzvbi && require_pkg_config libzvbi zvbi-0.2 libzvbi.h vbi_decoder_new &&
5948 { check_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||
5949 enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }
5950 enabled libxml2 && require_pkg_config libxml2 libxml-2.0 libxml2/libxml/xmlversion.h xmlCheckVersion
5951 enabled mediacodec && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }
5952 enabled mmal && { check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
5953 { ! enabled cross_compile &&
5954 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline &&
5955 add_ldflags -L/opt/vc/lib/ &&
5956 check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host; } ||
5957 die "ERROR: mmal not found" &&
5958 check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"; }
5959 enabled openal && { { for al_extralibs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
5960 check_lib openal 'AL/al.h' alGetError "${al_extralibs}" && break; done } ||
5961 die "ERROR: openal not found"; } &&
5962 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
5963 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
5964 enabled opencl && { check_lib opencl OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
5965 check_lib opencl CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
5966 die "ERROR: opencl not found"; } &&
5967 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
5968 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
5969 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
5970 enabled opengl && { check_lib opengl GL/glx.h glXGetProcAddress "-lGL" ||
5971 check_lib opengl windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
5972 check_lib opengl OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
5973 check_lib opengl ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
5974 die "ERROR: opengl not found."
5976 enabled omx && require_header OMX_Core.h
5977 enabled omx_rpi && { check_header OMX_Core.h ||
5978 { ! enabled cross_compile && add_cflags -isystem/opt/vc/include/IL && check_header OMX_Core.h ; } ||
5979 die "ERROR: OpenMAX IL headers not found"; } && enable omx
5980 enabled openssl && { check_pkg_config openssl openssl openssl/ssl.h OPENSSL_init_ssl ||
5981 check_pkg_config openssl openssl openssl/ssl.h SSL_library_init ||
5982 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto ||
5983 check_lib openssl openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
5984 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
5985 die "ERROR: openssl not found"; }
5986 enabled rkmpp && { { require_pkg_config rkmpp rockchip_mpp rockchip/rk_mpi.h mpp_create ||
5987 die "ERROR : Rockchip MPP was not found."; } &&
5988 { check_func_headers rockchip/rk_mpi_cmd.h "MPP_DEC_GET_FREE_PACKET_SLOT_COUNT" ||
5989 die "ERROR: Rockchip MPP is outdated, please get a more recent one."; } &&
5991 die "ERROR: rkmpp requires --enable-libdrm"; }
5994 if enabled gcrypt; then
5995 GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"
5996 if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then
5997 gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)
5998 gcrypt_extralibs=$("${GCRYPT_CONFIG}" --libs)
5999 check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_extralibs ||
6000 die "ERROR: gcrypt not found"
6001 add_cflags $gcrypt_cflags
6003 require gcrypt gcrypt.h gcry_mpi_new -lgcrypt
6007 if enabled sdl2; then
6008 SDL2_CONFIG="${cross_prefix}sdl2-config"
6009 if test_pkg_config sdl2 "sdl2 >= 2.0.1 sdl2 < 2.1.0" SDL_events.h SDL_PollEvent; then
6010 check_func SDL_Init $sdl2_extralibs $sdl2_cflags ||
6012 elif "${SDL2_CONFIG}" --version > /dev/null 2>&1; then
6013 sdl2_cflags=$("${SDL2_CONFIG}" --cflags)
6014 sdl2_extralibs=$("${SDL2_CONFIG}" --libs)
6015 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&
6016 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&
6017 check_func SDL_Init $sdl2_extralibs $sdl2_cflags &&
6020 if test $target_os = "mingw32"; then
6021 sdl2_extralibs=$(filter_out '-mwindows' $sdl2_extralibs)
6025 if enabled decklink; then
6027 mingw32*|mingw64*|win32|win64)
6028 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
6029 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
6034 enabled securetransport &&
6035 check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
6036 check_lib securetransport "Security/SecureTransport.h Security/Security.h" "SSLCreateContext" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" ||
6037 disable securetransport
6039 enabled securetransport &&
6040 check_func SecItemImport "-Wl,-framework,CoreFoundation -Wl,-framework,Security"
6043 check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&
6044 check_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" &&
6045 schannel_extralibs="-lsecur32" ||
6048 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
6050 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
6051 && enable makeinfo_html || disable makeinfo_html
6052 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
6053 perl -v > /dev/null 2>&1 && enable perl || disable perl
6054 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
6055 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
6057 # check V4L2 codecs available in the API
6058 check_header linux/fb.h
6059 check_header linux/videodev2.h
6060 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6061 check_code cc linux/videodev2.h "int i = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_VIDEO_M2M | V4L2_BUF_FLAG_LAST;" || disable v4l2_m2m
6062 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VC1_ANNEX_G;" && enable vc1_v4l2_m2m
6063 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG1;" && enable mpeg1_v4l2_m2m
6064 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG2;" && enable mpeg2_v4l2_m2m
6065 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG4;" && enable mpeg4_v4l2_m2m
6066 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_HEVC;" && enable hevc_v4l2_m2m
6067 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_H263;" && enable h263_v4l2_m2m
6068 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_H264;" && enable h264_v4l2_m2m
6069 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VP8;" && enable vp8_v4l2_m2m
6070 check_code cc linux/videodev2.h "int i = V4L2_PIX_FMT_VP9;" && enable vp9_v4l2_m2m
6072 check_header sys/videoio.h
6073 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
6075 check_lib user32 "windows.h winuser.h" GetShellWindow -luser32
6076 check_lib vfw32 "windows.h vfw.h" capCreateCaptureWindow -lvfw32
6077 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
6078 # w32api 3.12 had it defined wrong
6079 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
6081 check_type "dshow.h" IBaseFilter
6083 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
6084 check_header "dev/bktr/ioctl_meteor.h dev/bktr/ioctl_bt848.h" ||
6085 check_header "machine/ioctl_meteor.h machine/ioctl_bt848.h" ||
6086 check_header "dev/video/meteor/ioctl_meteor.h dev/video/bktr/ioctl_bt848.h" ||
6087 check_header "dev/ic/bt8xx.h"
6089 if check_struct sys/soundcard.h audio_buf_info bytes; then
6090 enable_sanitized sys/soundcard.h
6092 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_sanitized sys/soundcard.h
6093 #include <sys/soundcard.h>
6098 enabled alsa && check_pkg_config alsa alsa "alsa/asoundlib.h" snd_pcm_htimestamp ||
6099 check_lib alsa alsa/asoundlib.h snd_pcm_htimestamp -lasound
6102 require_pkg_config libjack jack jack/jack.h jack_port_get_latency_range
6104 enabled sndio && check_lib sndio sndio.h sio_open -lsndio
6106 if enabled libcdio; then
6107 check_pkg_config libcdio libcdio_paranoia "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open ||
6108 check_pkg_config libcdio libcdio_paranoia "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open ||
6109 check_lib libcdio "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6110 check_lib libcdio "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6111 die "ERROR: No usable libcdio/cdparanoia found"
6114 enabled libxcb && check_pkg_config libxcb "xcb >= 1.4" xcb/xcb.h xcb_connect ||
6115 disable libxcb_shm libxcb_shape libxcb_xfixes
6117 if enabled libxcb; then
6118 enabled libxcb_shm && check_pkg_config libxcb_shm xcb-shm xcb/shm.h xcb_shm_attach
6119 enabled libxcb_shape && check_pkg_config libxcb_shape xcb-shape xcb/shape.h xcb_shape_get_rectangles
6120 enabled libxcb_xfixes && check_pkg_config libxcb_xfixes xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image
6123 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
6125 # d3d11va requires linking directly to dxgi and d3d11 if not building for
6126 # the desktop api partition
6127 check_cpp <<EOF && enable uwp && d3d11va_extralibs="-ldxgi -ld3d11"
6128 #ifdef WINAPI_FAMILY
6129 #include <winapifamily.h>
6130 #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
6131 #error desktop, not uwp
6133 // WINAPI_FAMILY_APP, WINAPI_FAMILY_PHONE_APP => UWP
6136 #error no family set
6141 check_lib vaapi va/va.h vaInitialize -lva
6144 check_code cc "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)" ||
6148 check_lib vaapi_drm "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm
6151 check_lib vaapi_x11 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 -lX11
6154 check_cpp_condition "va/va.h" "VA_CHECK_VERSION(1, 0, 0)" &&
6158 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
6162 check_lib vdpau_x11 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau -lX11
6164 enabled crystalhd && check_lib crystalhd "stdint.h libcrystalhd/libcrystalhd_if.h" DtsCrystalHDVersion -lcrystalhd
6166 if enabled x86; then
6168 mingw32*|mingw64*|win32|win64|linux|cygwin*)
6171 disable cuda cuvid nvdec nvenc
6175 disable cuda cuvid nvdec nvenc
6179 check_cc -I$source_path <<EOF || disable nvenc
6180 #include "compat/nvenc/nvEncodeAPI.h"
6181 NV_ENCODE_API_FUNCTION_LIST flist;
6182 void f(void) { struct { const GUID guid; } s[] = { { NV_ENC_PRESET_HQ_GUID } }; }
6183 int main(void) { return 0; }
6186 # Funny iconv installations are not unusual, so check it after all flags have been set
6187 if enabled libc_iconv; then
6188 check_func_headers iconv.h iconv
6189 elif enabled iconv; then
6190 check_func_headers iconv.h iconv || check_lib iconv iconv.h iconv -liconv
6193 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
6195 # add some useful compiler flags if supported
6196 check_cflags -Wdeclaration-after-statement
6198 check_cflags -Wdisabled-optimization
6199 check_cflags -Wpointer-arith
6200 check_cflags -Wredundant-decls
6201 check_cflags -Wwrite-strings
6202 check_cflags -Wtype-limits
6203 check_cflags -Wundef
6204 check_cflags -Wmissing-prototypes
6205 check_cflags -Wno-pointer-to-int-cast
6206 check_cflags -Wstrict-prototypes
6207 check_cflags -Wempty-body
6209 if enabled extra_warnings; then
6210 check_cflags -Wcast-qual
6211 check_cflags -Wextra
6212 check_cflags -Wpedantic
6215 check_disable_warning(){
6216 warning_flag=-W${1#-Wno-}
6217 test_cflags $unknown_warning_flags $warning_flag && add_cflags $1
6220 test_cflags -Werror=unused-command-line-argument &&
6221 append unknown_warning_flags "-Werror=unused-command-line-argument"
6222 test_cflags -Werror=unknown-warning-option &&
6223 append unknown_warning_flags "-Werror=unknown-warning-option"
6225 check_disable_warning -Wno-parentheses
6226 check_disable_warning -Wno-switch
6227 check_disable_warning -Wno-format-zero-length
6228 check_disable_warning -Wno-pointer-sign
6229 check_disable_warning -Wno-unused-const-variable
6230 check_disable_warning -Wno-bool-operation
6232 check_disable_warning_headers(){
6233 warning_flag=-W${1#-Wno-}
6234 test_cflags $warning_flag && add_cflags_headers $1
6237 check_disable_warning_headers -Wno-deprecated-declarations
6238 check_disable_warning_headers -Wno-unused-variable
6240 check_cc <<EOF && enable blocks_extension
6241 void (^block)(void);
6244 # add some linker flags
6245 check_ldflags -Wl,--warn-common
6246 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
6247 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir && add_ldsoflags -Wl,-rpath,$libdir
6248 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
6250 # add some strip flags
6253 enabled neon_clobber_test &&
6254 check_ldflags -Wl,--wrap,avcodec_open2 \
6255 -Wl,--wrap,avcodec_decode_audio4 \
6256 -Wl,--wrap,avcodec_decode_video2 \
6257 -Wl,--wrap,avcodec_decode_subtitle2 \
6258 -Wl,--wrap,avcodec_encode_audio2 \
6259 -Wl,--wrap,avcodec_encode_video2 \
6260 -Wl,--wrap,avcodec_encode_subtitle \
6261 -Wl,--wrap,avcodec_send_packet \
6262 -Wl,--wrap,avcodec_receive_packet \
6263 -Wl,--wrap,avcodec_send_frame \
6264 -Wl,--wrap,avcodec_receive_frame \
6265 -Wl,--wrap,swr_convert \
6266 -Wl,--wrap,avresample_convert ||
6267 disable neon_clobber_test
6269 enabled xmm_clobber_test &&
6270 check_ldflags -Wl,--wrap,avcodec_open2 \
6271 -Wl,--wrap,avcodec_decode_audio4 \
6272 -Wl,--wrap,avcodec_decode_video2 \
6273 -Wl,--wrap,avcodec_decode_subtitle2 \
6274 -Wl,--wrap,avcodec_encode_audio2 \
6275 -Wl,--wrap,avcodec_encode_video2 \
6276 -Wl,--wrap,avcodec_encode_subtitle \
6277 -Wl,--wrap,avcodec_send_packet \
6278 -Wl,--wrap,avcodec_receive_packet \
6279 -Wl,--wrap,avcodec_send_frame \
6280 -Wl,--wrap,avcodec_receive_frame \
6281 -Wl,--wrap,swr_convert \
6282 -Wl,--wrap,avresample_convert \
6283 -Wl,--wrap,sws_scale ||
6284 disable xmm_clobber_test
6286 check_ld "cc" <<EOF && enable proper_dce
6287 extern const int array[512];
6288 static inline int func(void) { return array[0]; }
6289 int main(void) { return 0; }
6292 if enabled proper_dce; then
6293 echo "X { local: *; };" > $TMPV
6294 if test_ldflags -Wl,${version_script},$TMPV; then
6295 append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver'
6296 check_cc <<EOF && enable symver_asm_label
6297 void ff_foo(void) __asm__ ("av_foo@VERSION");
6298 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
6300 check_cc <<EOF && enable symver_gnu_asm
6301 __asm__(".symver ff_foo,av_foo@VERSION");
6302 void ff_foo(void) {}
6307 if [ -z "$optflags" ]; then
6308 if enabled small; then
6309 optflags=$cflags_size
6310 elif enabled optimizations; then
6311 optflags=$cflags_speed
6313 optflags=$cflags_noopt
6317 if [ -z "$nvccflags" ]; then
6318 nvccflags=$nvccflags_default
6321 if enabled x86_64 || enabled ppc64 || enabled aarch64; then
6322 nvccflags="$nvccflags -m64"
6324 nvccflags="$nvccflags -m32"
6329 enabled lto && check_ldflags "$@"
6332 check_optflags $optflags
6333 check_optflags -fno-math-errno
6334 check_optflags -fno-signed-zeros
6336 if enabled lto; then
6337 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
6339 check_ldflags -flto $cpuflags
6340 disable inline_asm_direct_symbol_refs
6343 enabled ftrapv && check_cflags -ftrapv
6345 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
6350 if enabled icc; then
6351 # Just warnings, no remarks
6353 # -wd: Disable following warnings
6354 # 144, 167, 556: -Wno-pointer-sign
6355 # 188: enumerated type mixed with another type
6356 # 1292: attribute "foo" ignored
6357 # 1419: external declaration in primary source file
6358 # 10006: ignoring unknown option -fno-signed-zeros
6359 # 10148: ignoring unknown option -Wno-parentheses
6360 # 10156: ignoring option '-W'; no argument required
6361 # 13200: No EMMS instruction before call to function
6362 # 13203: No EMMS instruction before return from function
6363 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
6364 # 11030: Warning unknown option --as-needed
6365 # 10156: ignoring option '-export'; no argument required
6366 check_ldflags -wd10156,11030
6367 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
6368 enable ebp_available
6369 # The test above does not test linking
6370 enabled lto && disable symver_asm_label
6371 if enabled x86_32; then
6372 icc_version=$($cc -dumpversion)
6373 test ${icc_version%%.*} -ge 11 &&
6374 check_cflags -falign-stack=maintain-16-byte ||
6375 disable aligned_stack
6377 elif enabled gcc; then
6378 check_optflags -fno-tree-vectorize
6379 check_cflags -Werror=format-security
6380 check_cflags -Werror=implicit-function-declaration
6381 check_cflags -Werror=missing-prototypes
6382 check_cflags -Werror=return-type
6383 check_cflags -Werror=vla
6384 check_cflags -Wformat
6385 check_cflags -fdiagnostics-color=auto
6386 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
6387 elif enabled llvm_gcc; then
6388 check_cflags -mllvm -stack-alignment=16
6389 elif enabled clang; then
6390 check_cflags -mllvm -stack-alignment=16
6391 check_cflags -mstack-alignment=16
6392 check_cflags -Qunused-arguments
6393 check_cflags -Werror=implicit-function-declaration
6394 check_cflags -Werror=missing-prototypes
6395 check_cflags -Werror=return-type
6396 elif enabled cparser; then
6397 add_cflags -Wno-missing-variable-declarations
6398 add_cflags -Wno-empty-statement
6399 elif enabled armcc; then
6400 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
6401 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
6402 # 2523: use of inline assembly is deprecated
6403 add_cflags -W${armcc_opt},--diag_suppress=2523
6404 add_cflags -W${armcc_opt},--diag_suppress=1207
6405 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
6406 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
6407 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
6408 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
6409 elif enabled pathscale; then
6410 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
6412 elif enabled_any msvc icl; then
6413 enabled x86_32 && disable aligned_stack
6414 enabled_all x86_32 debug && add_cflags -Oy-
6415 enabled debug && add_ldflags -debug
6416 enable pragma_deprecated
6417 if enabled icl; then
6418 # -Qansi-alias is basically -fstrict-aliasing, but does not work
6419 # (correctly) on icl 13.x.
6420 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
6421 add_cflags -Qansi-alias
6422 # Some inline asm is not compilable in debug
6423 if enabled debug; then
6424 disable ebp_available
6425 disable ebx_available
6428 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
6429 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
6430 # The CRT headers contain __declspec(restrict) in a few places, but if redefining
6431 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
6432 # (as it ends up if the restrict redefine is done before including stdlib.h), while
6433 # MSVC 2013 and newer can handle it fine.
6434 # If this declspec fails, force including stdlib.h before the restrict redefinition
6435 # happens in config.h.
6436 if [ $_restrict != restrict ]; then
6437 check_cc <<EOF || add_cflags -FIstdlib.h
6438 __declspec($_restrict) void* foo(int);
6441 # the new SSA optimzer in VS2015 U3 is mis-optimizing some parts of the code
6442 # Issue has been fixed in MSVC v19.00.24218.
6443 check_cpp_condition windows.h "_MSC_FULL_VER >= 190024218" ||
6444 check_cflags -d2SSAOptimizer-
6445 # enable utf-8 source processing on VS2015 U2 and newer
6446 check_cpp_condition windows.h "_MSC_FULL_VER >= 190023918" &&
6450 for pfx in "" host_; do
6451 varname=${pfx%_}cc_type
6452 eval "type=\$$varname"
6453 if [ "$type" = "msvc" ]; then
6454 check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline
6455 static inline int foo(int a) { return a; }
6462 add_asflags -Qunused-arguments
6468 check_ldflags -Qunused-arguments
6472 enable frame_thread_encoder
6474 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
6476 check_deps $CONFIG_LIST \
6481 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"
6484 if test $target_os = "haiku"; then
6486 disable posix_memalign
6489 flatten_extralibs(){
6490 unset nested_entries
6493 for entry in $list; do
6496 append nested_entries $(filter '*_extralibs' $entry_copy)
6497 flat_entries=$(filter_out '*_extralibs' $entry_copy)
6498 eval $entry="\$flat_entries"
6500 append $list_name "$nested_entries"
6502 resolve nested_entries
6503 if test -n "$(filter '*_extralibs' $nested_entries)"; then
6504 flatten_extralibs $list_name
6508 for linkunit in $LIBRARY_LIST; do
6509 unset current_extralibs
6510 eval components=\$$(toupper ${linkunit})_COMPONENTS_LIST
6511 for comp in ${components}; do
6512 enabled $comp || continue
6513 comp_extralibs="${comp}_extralibs"
6514 append current_extralibs $comp_extralibs
6516 eval prepend ${linkunit}_extralibs $current_extralibs
6519 for linkunit in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
6520 flatten_extralibs ${linkunit}_extralibs
6521 unique ${linkunit}_extralibs
6522 resolve ${linkunit}_extralibs
6523 eval ${linkunit}_extralibs=\$\(\$ldflags_filter \$${linkunit}_extralibs\)
6526 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
6528 for thread in $THREADS_LIST; do
6529 if enabled $thread; then
6530 test -n "$thread_type" &&
6531 die "ERROR: Only one thread type must be selected." ||
6532 thread_type="$thread"
6536 if disabled stdatomic; then
6537 if enabled atomics_gcc; then
6538 add_cppflags '-I\$(SRC_PATH)/compat/atomics/gcc'
6539 elif enabled atomics_win32; then
6540 add_cppflags '-I\$(SRC_PATH)/compat/atomics/win32'
6541 elif enabled atomics_suncc; then
6542 add_cppflags '-I\$(SRC_PATH)/compat/atomics/suncc'
6543 elif enabled pthreads; then
6544 add_compat atomics/pthread/stdatomic.o
6545 add_cppflags '-I\$(SRC_PATH)/compat/atomics/pthread'
6547 enabled threads && die "Threading is enabled, but no atomics are available"
6548 add_cppflags '-I\$(SRC_PATH)/compat/atomics/dummy'
6552 # Check if requested libraries were found.
6553 for lib in $AUTODETECT_LIBS; do
6554 requested $lib && ! enabled $lib && die "ERROR: $lib requested but not found";
6557 enabled zlib && add_cppflags -DZLIB_CONST
6559 # conditional library dependencies, in linking order
6560 enabled afftfilt_filter && prepend avfilter_deps "avcodec"
6561 enabled afir_filter && prepend avfilter_deps "avcodec"
6562 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
6563 enabled aresample_filter && prepend avfilter_deps "swresample"
6564 enabled atempo_filter && prepend avfilter_deps "avcodec"
6565 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
6566 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
6567 enabled elbg_filter && prepend avfilter_deps "avcodec"
6568 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
6569 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
6570 enabled firequalizer_filter && prepend avfilter_deps "avcodec"
6571 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
6572 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
6573 enabled pan_filter && prepend avfilter_deps "swresample"
6574 enabled pp_filter && prepend avfilter_deps "postproc"
6575 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
6576 enabled resample_filter && prepend avfilter_deps "avresample"
6577 enabled sab_filter && prepend avfilter_deps "swscale"
6578 enabled scale_filter && prepend avfilter_deps "swscale"
6579 enabled scale2ref_filter && prepend avfilter_deps "swscale"
6580 enabled sofalizer_filter && prepend avfilter_deps "avcodec"
6581 enabled showcqt_filter && prepend avfilter_deps "avformat avcodec swscale"
6582 enabled showfreqs_filter && prepend avfilter_deps "avcodec"
6583 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
6584 enabled signature_filter && prepend avfilter_deps "avcodec avformat"
6585 enabled smartblur_filter && prepend avfilter_deps "swscale"
6586 enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"
6587 enabled spp_filter && prepend avfilter_deps "avcodec"
6588 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
6589 enabled uspp_filter && prepend avfilter_deps "avcodec"
6590 enabled zoompan_filter && prepend avfilter_deps "swscale"
6592 enabled lavfi_indev && prepend avdevice_deps "avfilter"
6595 enabled sdl2_outdev && add_cflags $(filter_out '-Dmain=SDL_main' $sdl2_cflags)
6597 enabled opus_decoder && prepend avcodec_deps "swresample"
6601 eval "deps=\$$lib_deps"
6602 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
6606 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
6607 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
6609 map 'expand_deps $v' $LIBRARY_LIST
6611 license="LGPL version 2.1 or later"
6612 if enabled nonfree; then
6613 license="nonfree and unredistributable"
6614 elif enabled gplv3; then
6615 license="GPL version 3 or later"
6616 elif enabled lgplv3; then
6617 license="LGPL version 3 or later"
6618 elif enabled gpl; then
6619 license="GPL version 2 or later"
6622 if test "$quiet" != "yes"; then
6624 echo "install prefix $prefix"
6625 echo "source path $source_path"
6626 echo "C compiler $cc"
6627 echo "C library $libc_type"
6628 if test "$host_cc" != "$cc"; then
6629 echo "host C compiler $host_cc"
6630 echo "host C library $host_libc_type"
6632 echo "ARCH $arch ($cpu)"
6633 if test "$build_suffix" != ""; then
6634 echo "build suffix $build_suffix"
6636 if test "$progs_suffix" != ""; then
6637 echo "progs suffix $progs_suffix"
6639 if test "$extra_version" != ""; then
6640 echo "version string suffix $extra_version"
6642 echo "big-endian ${bigendian-no}"
6643 echo "runtime cpu detection ${runtime_cpudetect-no}"
6644 if enabled x86; then
6645 echo "standalone assembly ${x86asm-no}"
6646 echo "x86 assembler ${x86asmexe}"
6647 echo "MMX enabled ${mmx-no}"
6648 echo "MMXEXT enabled ${mmxext-no}"
6649 echo "3DNow! enabled ${amd3dnow-no}"
6650 echo "3DNow! extended enabled ${amd3dnowext-no}"
6651 echo "SSE enabled ${sse-no}"
6652 echo "SSSE3 enabled ${ssse3-no}"
6653 echo "AESNI enabled ${aesni-no}"
6654 echo "AVX enabled ${avx-no}"
6655 echo "AVX2 enabled ${avx2-no}"
6656 echo "XOP enabled ${xop-no}"
6657 echo "FMA3 enabled ${fma3-no}"
6658 echo "FMA4 enabled ${fma4-no}"
6659 echo "i686 features enabled ${i686-no}"
6660 echo "CMOV is fast ${fast_cmov-no}"
6661 echo "EBX available ${ebx_available-no}"
6662 echo "EBP available ${ebp_available-no}"
6664 if enabled aarch64; then
6665 echo "NEON enabled ${neon-no}"
6666 echo "VFP enabled ${vfp-no}"
6668 if enabled arm; then
6669 echo "ARMv5TE enabled ${armv5te-no}"
6670 echo "ARMv6 enabled ${armv6-no}"
6671 echo "ARMv6T2 enabled ${armv6t2-no}"
6672 echo "VFP enabled ${vfp-no}"
6673 echo "NEON enabled ${neon-no}"
6674 echo "THUMB enabled ${thumb-no}"
6676 if enabled mips; then
6677 echo "MIPS FPU enabled ${mipsfpu-no}"
6678 echo "MIPS DSP R1 enabled ${mipsdsp-no}"
6679 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
6680 echo "MIPS MSA enabled ${msa-no}"
6681 echo "LOONGSON MMI enabled ${mmi-no}"
6683 if enabled ppc; then
6684 echo "AltiVec enabled ${altivec-no}"
6685 echo "VSX enabled ${vsx-no}"
6686 echo "POWER8 enabled ${power8-no}"
6687 echo "PPC 4xx optimizations ${ppc4xx-no}"
6688 echo "dcbzl available ${dcbzl-no}"
6690 echo "debug symbols ${debug-no}"
6691 echo "strip symbols ${stripping-no}"
6692 echo "optimize for size ${small-no}"
6693 echo "optimizations ${optimizations-no}"
6694 echo "static ${static-no}"
6695 echo "shared ${shared-no}"
6696 echo "postprocessing support ${postproc-no}"
6697 echo "network support ${network-no}"
6698 echo "threading support ${thread_type-no}"
6699 echo "safe bitstream reader ${safe_bitstream_reader-no}"
6700 echo "texi2html enabled ${texi2html-no}"
6701 echo "perl enabled ${perl-no}"
6702 echo "pod2man enabled ${pod2man-no}"
6703 echo "makeinfo enabled ${makeinfo-no}"
6704 echo "makeinfo supports HTML ${makeinfo_html-no}"
6705 test -n "$random_seed" &&
6706 echo "random seed ${random_seed}"
6709 echo "External libraries:"
6710 print_enabled '' $EXTERNAL_LIBRARY_LIST $EXTERNAL_AUTODETECT_LIBRARY_LIST | print_in_columns
6713 echo "External libraries providing hardware acceleration:"
6714 print_enabled '' $HWACCEL_LIBRARY_LIST $HWACCEL_AUTODETECT_LIBRARY_LIST | print_in_columns
6718 print_enabled '' $LIBRARY_LIST | print_in_columns
6722 print_enabled '' $PROGRAM_LIST | print_in_columns
6725 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
6726 echo "Enabled ${type}s:"
6727 eval list=\$$(toupper $type)_LIST
6728 print_enabled '_*' $list | print_in_columns
6732 if test -n "$ignore_tests"; then
6733 ignore_tests=$(echo $ignore_tests | tr ',' ' ')
6734 echo "Ignored FATE tests:"
6735 echo $ignore_tests | print_in_columns
6739 echo "License: $license"
6741 fi # test "$quiet" != "yes"
6743 if test -n "$WARNINGS"; then
6744 printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"
6745 enabled fatal_warnings && exit 1
6748 test -e Makefile || echo "include $source_path/Makefile" > Makefile
6751 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
6754 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" > ffbuild/config.fate
6756 enabled stripping || strip="echo skipping strip"
6757 enabled stripping || striptype=""
6759 config_files="$TMPH ffbuild/config.mak doc/config.texi"
6761 cat > ffbuild/config.mak <<EOF
6762 # Automatically generated by configure - do not modify!
6763 ifndef FFMPEG_CONFIG_MAK
6765 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
6767 LIBDIR=\$(DESTDIR)$libdir
6768 SHLIBDIR=\$(DESTDIR)$shlibdir
6769 INCDIR=\$(DESTDIR)$incdir
6770 BINDIR=\$(DESTDIR)$bindir
6771 DATADIR=\$(DESTDIR)$datadir
6772 DOCDIR=\$(DESTDIR)$docdir
6773 MANDIR=\$(DESTDIR)$mandir
6774 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
6775 INSTALL_NAME_DIR=$install_name_dir
6776 SRC_PATH=$source_path
6777 SRC_LINK=$source_link
6778 ifndef MAIN_MAKEFILE
6779 SRC_PATH:=\$(SRC_PATH:.%=..%)
6783 INTRINSICS=$intrinsics
6790 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
6792 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
6794 DEPX86ASM=$x86asmexe
6795 DEPX86ASMFLAGS=\$(X86ASMFLAGS)
6803 STRIPTYPE=$striptype
6810 OBJCFLAGS=$OBJCFLAGS
6812 NVCCFLAGS=$nvccflags
6833 LDEXEFLAGS=$LDEXEFLAGS
6834 LDSOFLAGS=$LDSOFLAGS
6835 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
6836 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
6837 X86ASMFLAGS=$X86ASMFLAGS
6838 BUILDSUF=$build_suffix
6839 PROGSSUF=$progs_suffix
6847 EXTRA_VERSION=$extra_version
6850 CCDEP_FLAGS=$CCDEP_FLAGS
6852 ASDEP_FLAGS=$ASDEP_FLAGS
6853 X86ASMDEP=$X86ASMDEP
6854 X86ASMDEP_FLAGS=$X86ASMDEP_FLAGS
6855 CC_DEPFLAGS=$CC_DEPFLAGS
6856 AS_DEPFLAGS=$AS_DEPFLAGS
6857 X86ASM_DEPFLAGS=$X86ASM_DEPFLAGS
6860 HOSTCFLAGS=$host_cflags
6861 HOSTCPPFLAGS=$host_cppflags
6862 HOSTEXESUF=$HOSTEXESUF
6863 HOSTLDFLAGS=$host_ldflags
6864 HOSTEXTRALIBS=$host_extralibs
6866 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
6867 HOSTCCDEP=$HOSTCCDEP
6868 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
6869 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
6873 TARGET_EXEC=$target_exec $target_exec_args
6874 TARGET_PATH=$target_path
6875 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
6876 CFLAGS-ffplay=${sdl2_cflags}
6877 CFLAGS_HEADERS=$CFLAGS_HEADERS
6878 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
6879 EXTRALIBS=$extralibs
6880 COMPAT_OBJS=$compat_objs
6882 SLIBNAME=${SLIBNAME}
6883 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
6884 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
6885 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
6886 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
6887 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
6888 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
6889 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
6890 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
6891 VERSION_SCRIPT_POSTPROCESS_CMD=${VERSION_SCRIPT_POSTPROCESS_CMD}
6892 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
6893 NOREDZONE_FLAGS=$noredzone_flags
6894 LIBFUZZER_PATH=$libfuzzer_path
6895 IGNORE_TESTS=$ignore_tests
6898 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> ffbuild/config.mak' $LIBRARY_LIST
6900 for entry in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do
6901 eval echo "EXTRALIBS-${entry}=\$${entry}_extralibs" >> ffbuild/config.mak
6905 /* Automatically generated by configure - do not modify! */
6906 #ifndef FFMPEG_CONFIG_H
6907 #define FFMPEG_CONFIG_H
6908 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
6909 #define FFMPEG_LICENSE "$(c_escape $license)"
6910 #define CONFIG_THIS_YEAR 2017
6911 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
6912 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
6913 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
6914 #define av_restrict $_restrict
6915 #define EXTERN_PREFIX "${extern_prefix}"
6916 #define EXTERN_ASM ${extern_prefix}
6917 #define BUILDSUF "$build_suffix"
6918 #define SLIBSUF "$SLIBSUF"
6919 #define HAVE_MMX2 HAVE_MMXEXT
6920 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
6923 test -n "$assert_level" &&
6924 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
6926 test -n "$malloc_prefix" &&
6927 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
6929 if enabled x86asm; then
6930 append config_files $TMPASM
6932 ; Automatically generated by configure - do not modify!
6936 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
6942 echo "@c auto-generated by configure - do not modify! " > doc/config.texi
6944 print_config ARCH_ "$config_files" $ARCH_LIST
6945 print_config HAVE_ "$config_files" $HAVE_LIST
6946 print_config CONFIG_ "$config_files" $CONFIG_LIST \
6950 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
6951 echo "endif # FFMPEG_CONFIG_MAK" >> ffbuild/config.mak
6953 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
6954 cp_if_changed $TMPH config.h
6955 touch ffbuild/.config
6957 enabled x86asm && cp_if_changed $TMPASM config.asm
6960 /* Generated by ffmpeg configure */
6961 #ifndef AVUTIL_AVCONFIG_H
6962 #define AVUTIL_AVCONFIG_H
6965 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
6967 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
6969 cp_if_changed $TMPH libavutil/avconfig.h
6971 # generate the lists of enabled components
6972 print_enabled_components(){
6977 echo "static const $struct_name * const $name[] = {" > $TMPH
6979 enabled $c && printf " &ff_%s,\n" $c >> $TMPH
6981 echo " NULL };" >> $TMPH
6982 cp_if_changed $TMPH $file
6985 print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST
6986 print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST
6988 # Settings for pkg-config files
6991 # Automatically generated by configure - do not modify!
6993 build_suffix=$build_suffix
6997 rpath=$(enabled rpath && echo "-Wl,-rpath,\${libdir}")
6998 source_path=${source_path}
7001 extralibs_avutil="$avutil_extralibs"
7002 extralibs_avcodec="$avcodec_extralibs"
7003 extralibs_avformat="$avformat_extralibs"
7004 extralibs_avdevice="$avdevice_extralibs"
7005 extralibs_avfilter="$avfilter_extralibs"
7006 extralibs_avresample="$avresample_extralibs"
7007 extralibs_postproc="$postproc_extralibs"
7008 extralibs_swscale="$swscale_extralibs"
7009 extralibs_swresample="$swresample_extralibs"
7012 for lib in $LIBRARY_LIST; do
7013 lib_deps="$(eval echo \$${lib}_deps)"
7014 echo ${lib}_deps=\"$lib_deps\" >> ffbuild/config.sh
7017 cp_if_changed $TMPH ffbuild/config.sh