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 --enable-raise-major increase major version numbers in sonames [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
189 External library support:
191 Using any of the following switches will allow FFmpeg to link to the
192 corresponding external library. All the components depending on that library
193 will become enabled, if all their other dependencies are met and they are not
194 explicitly disabled. E.g. --enable-libwavpack will enable linking to
195 libwavpack and allow the libwavpack encoder to be built, unless it is
196 specifically disabled with --disable-encoder=libwavpack.
198 Note that only the system libraries are auto-detected. All the other external
199 libraries must be explicitly enabled.
201 Also note that the following help text describes the purpose of the libraries
202 themselves, not all their features will necessarily be usable by FFmpeg.
204 --enable-avisynth enable reading of AviSynth script files [no]
205 --disable-bzlib disable bzlib [autodetect]
206 --enable-chromaprint enable audio fingerprinting with chromaprint [no]
207 --enable-frei0r enable frei0r video filtering [no]
208 --enable-gcrypt enable gcrypt, needed for rtmp(t)e support
209 if openssl, librtmp or gmp is not used [no]
210 --enable-gmp enable gmp, needed for rtmp(t)e support
211 if openssl or librtmp is not used [no]
212 --enable-gnutls enable gnutls, needed for https support
213 if openssl is not used [no]
214 --disable-iconv disable iconv [autodetect]
215 --enable-jni enable JNI support [no]
216 --enable-ladspa enable LADSPA audio filtering [no]
217 --enable-libass enable libass subtitles rendering,
218 needed for subtitles and ass filter [no]
219 --enable-libbluray enable BluRay reading using libbluray [no]
220 --enable-libbs2b enable bs2b DSP library [no]
221 --enable-libcaca enable textual display using libcaca [no]
222 --enable-libcelt enable CELT decoding via libcelt [no]
223 --enable-libcdio enable audio CD grabbing with libcdio [no]
224 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
226 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
227 --enable-libflite enable flite (voice synthesis) support via libflite [no]
228 --enable-libfontconfig enable libfontconfig, useful for drawtext filter [no]
229 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
230 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
231 --enable-libgme enable Game Music Emu via libgme [no]
232 --enable-libgsm enable GSM de/encoding via libgsm [no]
233 --enable-libiec61883 enable iec61883 via libiec61883 [no]
234 --enable-libilbc enable iLBC de/encoding via libilbc [no]
235 --enable-libkvazaar enable HEVC encoding via libkvazaar [no]
236 --enable-libmodplug enable ModPlug via libmodplug [no]
237 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
238 --enable-libnut enable NUT (de)muxing via libnut,
239 native (de)muxer exists [no]
240 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
241 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
242 --enable-libopencv enable video filtering via libopencv [no]
243 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
244 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
245 --enable-libopenmpt enable decoding tracked files via libopenmpt [no]
246 --enable-libopus enable Opus de/encoding via libopus [no]
247 --enable-libpulse enable Pulseaudio input via libpulse [no]
248 --enable-librubberband enable rubberband needed for rubberband filter [no]
249 --enable-librtmp enable RTMP[E] support via librtmp [no]
250 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
251 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
252 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
253 --enable-libsnappy enable Snappy compression, needed for hap encoding [no]
254 --enable-libsoxr enable Include libsoxr resampling [no]
255 --enable-libspeex enable Speex de/encoding via libspeex [no]
256 --enable-libssh enable SFTP protocol via libssh [no]
257 --enable-libtesseract enable Tesseract, needed for ocr filter [no]
258 --enable-libtheora enable Theora encoding via libtheora [no]
259 --enable-libtwolame enable MP2 encoding via libtwolame [no]
260 --enable-libv4l2 enable libv4l2/v4l-utils [no]
261 --enable-libvidstab enable video stabilization using vid.stab [no]
262 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
263 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
264 native implementation exists [no]
265 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
266 --enable-libwavpack enable wavpack encoding via libwavpack [no]
267 --enable-libwebp enable WebP encoding via libwebp [no]
268 --enable-libx264 enable H.264 encoding via x264 [no]
269 --enable-libx265 enable HEVC encoding via x265 [no]
270 --enable-libxavs enable AVS encoding via xavs [no]
271 --enable-libxcb enable X11 grabbing using XCB [autodetect]
272 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
273 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
274 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
275 --enable-libxvid enable Xvid encoding via xvidcore,
276 native MPEG-4/Xvid encoder exists [no]
277 --enable-libzimg enable z.lib, needed for zscale filter [no]
278 --enable-libzmq enable message passing via libzmq [no]
279 --enable-libzvbi enable teletext support via libzvbi [no]
280 --disable-lzma disable lzma [autodetect]
281 --enable-decklink enable Blackmagic DeckLink I/O support [no]
282 --enable-mediacodec enable Android MediaCodec support [no]
283 --enable-netcdf enable NetCDF, needed for sofalizer filter [no]
284 --enable-openal enable OpenAL 1.1 capture support [no]
285 --enable-opencl enable OpenCL code
286 --enable-opengl enable OpenGL rendering [no]
287 --enable-openssl enable openssl, needed for https support
288 if gnutls is not used [no]
289 --disable-schannel disable SChannel SSP, needed for TLS support on
290 Windows if openssl and gnutls are not used [autodetect]
291 --disable-sdl2 disable sdl2 [autodetect]
292 --disable-securetransport disable Secure Transport, needed for TLS support
293 on OSX if openssl and gnutls are not used [autodetect]
294 --disable-xlib disable xlib [autodetect]
295 --disable-zlib disable zlib [autodetect]
297 The following libraries provide various hardware acceleration features:
298 --disable-audiotoolbox disable Apple AudioToolbox code [autodetect]
299 --disable-cuda disable dynamically linked Nvidia CUDA code [autodetect]
300 --disable-cuvid disable Nvidia CUVID support [autodetect]
301 --disable-d3d11va disable Microsoft Direct3D 11 video acceleration code [autodetect]
302 --disable-dxva2 disable Microsoft DirectX 9 video acceleration code [autodetect]
303 --enable-libmfx enable Intel MediaSDK (AKA Quick Sync Video) code via libmfx [no]
304 --enable-libnpp enable Nvidia Performance Primitives-based code [no]
305 --enable-mmal enable Broadcom Multi-Media Abstraction Layer (Raspberry Pi) via MMAL [no]
306 --disable-nvenc disable Nvidia video encoding code [autodetect]
307 --enable-omx enable OpenMAX IL code [no]
308 --enable-omx-rpi enable OpenMAX IL code for Raspberry Pi [no]
309 --disable-vaapi disable Video Acceleration API (mainly Unix/Intel) code [autodetect]
310 --disable-vda disable Apple Video Decode Acceleration code [autodetect]
311 --disable-vdpau disable Nvidia Video Decode and Presentation API for Unix code [autodetect]
312 --disable-videotoolbox disable VideoToolbox code [autodetect]
315 --arch=ARCH select architecture [$arch]
316 --cpu=CPU select the minimum required CPU (affects
317 instruction selection, may crash on older CPUs)
318 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
319 --progs-suffix=SUFFIX program name suffix []
320 --enable-cross-compile assume a cross-compiler is used
321 --sysroot=PATH root of cross-build tree
322 --sysinclude=PATH location of cross-build system headers
323 --target-os=OS compiler targets OS [$target_os]
324 --target-exec=CMD command to run executables on target
325 --target-path=DIR path to view of build directory on target
326 --target-samples=DIR path to samples directory on target
327 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
328 --toolchain=NAME set tool defaults according to NAME
329 --nm=NM use nm tool NM [$nm_default]
330 --ar=AR use archive tool AR [$ar_default]
331 --as=AS use assembler AS [$as_default]
332 --ln_s=LN_S use symbolic link tool LN_S [$ln_s_default]
333 --strip=STRIP use strip tool STRIP [$strip_default]
334 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
335 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
336 --cc=CC use C compiler CC [$cc_default]
337 --cxx=CXX use C compiler CXX [$cxx_default]
338 --objcc=OCC use ObjC compiler OCC [$cc_default]
339 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
340 --ld=LD use linker LD [$ld_default]
341 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
342 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
343 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
344 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
345 --host-cc=HOSTCC use host C compiler HOSTCC
346 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
347 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
348 --host-ld=HOSTLD use host linker HOSTLD
349 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
350 --host-libs=HLIBS use libs HLIBS when linking for host
351 --host-os=OS compiler host OS [$target_os]
352 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
353 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
354 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
355 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
356 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
357 --extra-ldlibflags=ELDFLAGS add ELDFLAGS to LDLIBFLAGS [$LDLIBFLAGS]
358 --extra-libs=ELIBS add ELIBS [$ELIBS]
359 --extra-version=STRING version string suffix []
360 --optflags=OPTFLAGS override optimization-related compiler flags
361 --build-suffix=SUFFIX library name suffix []
362 --enable-pic build position-independent code
363 --enable-thumb compile for Thumb instruction set
364 --enable-lto use link-time optimization
365 --env="ENV=override" override the environment variables
367 Advanced options (experts only):
368 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
369 --custom-allocator=NAME use a supported custom allocator
370 --disable-symver disable symbol versioning
371 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
372 --disable-safe-bitstream-reader
373 disable buffer boundary checking in bitreaders
374 (faster, but may crash)
375 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
377 Optimization options (experts only):
378 --disable-asm disable all assembly optimizations
379 --disable-altivec disable AltiVec optimizations
380 --disable-vsx disable VSX optimizations
381 --disable-power8 disable POWER8 optimizations
382 --disable-amd3dnow disable 3DNow! optimizations
383 --disable-amd3dnowext disable 3DNow! extended optimizations
384 --disable-mmx disable MMX optimizations
385 --disable-mmxext disable MMXEXT optimizations
386 --disable-sse disable SSE optimizations
387 --disable-sse2 disable SSE2 optimizations
388 --disable-sse3 disable SSE3 optimizations
389 --disable-ssse3 disable SSSE3 optimizations
390 --disable-sse4 disable SSE4 optimizations
391 --disable-sse42 disable SSE4.2 optimizations
392 --disable-avx disable AVX optimizations
393 --disable-xop disable XOP optimizations
394 --disable-fma3 disable FMA3 optimizations
395 --disable-fma4 disable FMA4 optimizations
396 --disable-avx2 disable AVX2 optimizations
397 --disable-aesni disable AESNI optimizations
398 --disable-armv5te disable armv5te optimizations
399 --disable-armv6 disable armv6 optimizations
400 --disable-armv6t2 disable armv6t2 optimizations
401 --disable-vfp disable VFP optimizations
402 --disable-neon disable NEON optimizations
403 --disable-inline-asm disable use of inline assembly
404 --disable-yasm disable use of nasm/yasm assembly
405 --disable-mipsdsp disable MIPS DSP ASE R1 optimizations
406 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
407 --disable-msa disable MSA optimizations
408 --disable-mipsfpu disable floating point MIPS optimizations
409 --disable-mmi disable Loongson SIMD optimizations
410 --disable-fast-unaligned consider unaligned accesses slow
412 Developer options (useful when working on FFmpeg itself):
413 --disable-debug disable debugging symbols
414 --enable-debug=LEVEL set the debug level [$debuglevel]
415 --disable-optimizations disable compiler optimizations
416 --enable-extra-warnings enable more compiler warnings
417 --disable-stripping disable stripping of executables and shared libraries
418 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
419 2 causes a slowdown at runtime.
420 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
421 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
422 leaks and errors, using the specified valgrind binary.
423 Cannot be combined with --target-exec
424 --enable-ftrapv Trap arithmetic overflows
425 --samples=PATH location of test samples for FATE, if not set use
426 \$FATE_SAMPLES at make invocation time.
427 --enable-neon-clobber-test check NEON registers for clobbering (should be
428 used only for debugging purposes)
429 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
430 should be used only for debugging purposes)
431 --enable-random randomly enable/disable components
433 --enable-random=LIST randomly enable/disable specific components or
434 --disable-random=LIST component groups. LIST is a comma-separated list
435 of NAME[:PROB] entries where NAME is a component
436 (group) and PROB the probability associated with
438 --random-seed=VALUE seed value for --enable/disable-random
439 --disable-valgrind-backtrace do not print a backtrace under Valgrind
440 (only applies to --disable-optimizations builds)
441 --enable-osfuzz Enable building fuzzer tool
442 --libfuzzer=PATH path to libfuzzer
443 --ignore-tests=TESTS comma-separated list (without "fate-" prefix
444 in the name) of tests whose result is ignored
446 NOTE: Object files are built at the place where configure is launched.
452 if test -t 1 && which tput >/dev/null 2>&1; then
453 ncolors=$(tput colors)
454 if test -n "$ncolors" && test $ncolors -ge 8; then
455 bold_color=$(tput bold)
456 warn_color=$(tput setaf 3)
457 error_color=$(tput setaf 1)
458 reset_color=$(tput sgr0)
460 # 72 used instead of 80 since that's the default of pr
466 echo "$@" >> $logfile
471 pr -n -t $1 >> $logfile
477 WARNINGS="${WARNINGS}WARNING: $*\n"
482 echo "$error_color$bold_color$@$reset_color"
485 If you think configure made a mistake, make sure you are using the latest
486 version from Git. If the latest version fails, report the problem to the
487 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
489 if disabled logging; then
491 Rerun configure with logging enabled (do not use --disable-logging), and
492 include the log this produces with your report.
496 Include the log file "$logfile" produced by configure as this will help
503 # Avoid locale weirdness, besides we really just want to translate ASCII.
505 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
509 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
513 echo "$*" | sed 's/["\\]/\\\0/g'
517 v=$(echo "$1" | sed "s/'/'\\\\''/g")
518 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
523 echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
530 eval "case $v in $pat) printf '%s ' $v ;; esac"
538 eval "case $v in $pat) ;; *) printf '%s ' $v ;; esac"
545 for v; do eval $m; done
551 for v; do echo ${v}${suffix}; done
566 eval : \${$var:=$value}
571 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
577 eval $(sanitize_var_name "$var")='$*'
581 eval echo \$$(sanitize_var_name "$1")
586 eval level=\${${pvar}_level:=0}
587 eval ${pvar}_${level}="\$$pvar"
588 eval ${pvar}_level=$(($level+1))
594 eval level=\${${pvar}_level:-0}
595 test $level = 0 && continue
596 eval level=$(($level-1))
597 eval $pvar="\${${pvar}_${level}}"
598 eval ${pvar}_level=$level
599 eval unset ${pvar}_${level}
605 eval ${var}_requested=yes
628 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
634 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
640 enabled $var && continue
641 eval sel="\$${var}_select"
642 eval sgs="\$${var}_suggest"
646 enable_deep_weak $sgs
658 disabled $var && continue
667 test "${1#!}" = "$1" && op='=' || op=!=
668 eval test "x\$${1#!}_requested" $op "xyes"
672 test "${1#!}" = "$1" && op='=' || op=!=
673 eval test "x\$${1#!}" $op "xyes"
677 test "${1#!}" = "$1" && op='=' || op=!=
678 eval test "x\$${1#!}" $op "xno"
683 enabled $opt || return 1
689 disabled $opt || return 1
695 enabled $opt && return 0
701 disabled $opt && return 0
708 eval : \${$opt:=\$${opt}_default}
716 [ $var = $value ] && return 0
724 enabled ${cfg}_checking && die "Circular dependency for $cfg."
725 disabled ${cfg}_checking && continue
726 enable ${cfg}_checking
729 eval dep_all="\$${cfg}_deps"
730 eval dep_any="\$${cfg}_deps_any"
731 eval dep_sel="\$${cfg}_select"
732 eval dep_sgs="\$${cfg}_suggest"
733 eval dep_ifa="\$${cfg}_if"
734 eval dep_ifn="\$${cfg}_if_any"
736 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
737 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
738 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
740 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
741 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
742 enabled_all $dep_all || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not all dependencies are satisfied: $dep_all"; }
743 enabled_any $dep_any || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not any dependency is satisfied: $dep_any"; }
744 disabled_any $dep_sel && { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some selected dependency is unsatisfied: $dep_sel"; }
746 if enabled $cfg; then
748 enable_deep_weak $dep_sgs
751 disable ${cfg}_checking
760 for cfg in $allopts; do
761 enabled $cfg || continue
762 eval dep_extralibs="\$${cfg}_extralibs"
763 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
771 map 'eval echo "$v \${$v:-no}"' "$@" |
772 awk "BEGIN { split(\"$files\", files) }
774 c = \"$pfx\" toupper(\$1);
780 if (file ~ /\\.h\$/) {
781 printf(\"#define %s %d\\n\", c, v) >>file;
782 } else if (file ~ /\\.asm\$/) {
783 printf(\"%%define %s %d\\n\", c, v) >>file;
784 } else if (file ~ /\\.mak\$/) {
785 n = -v ? \"\" : \"!\";
786 printf(\"%s%s=yes\\n\", n, c) >>file;
787 } else if (file ~ /\\.texi\$/) {
788 pre = -v ? \"\" : \"@c \";
791 gsub(/_/, \"-\", c2);
792 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
802 enabled $v && printf "%s\n" ${v%$suf}
809 eval "$var=\"\$$var $*\""
815 eval "$var=\"$* \$$var\""
821 for tok in $(eval echo \$$var); do
822 uniq_list="$(filter_out $tok $uniq_list) $tok"
824 eval "$var=\"${uniq_list}\""
832 append CFLAGS $($cflags_filter "$@")
835 add_cflags_headers(){
836 append CFLAGS_HEADERS $($cflags_filter "$@")
840 append CXXFLAGS $($cflags_filter "$@")
844 append ASFLAGS $($asflags_filter "$@")
848 append OBJCFLAGS $($objcflags_filter "$@")
852 append LDFLAGS $($ldflags_filter "$@")
856 append LDEXEFLAGS $($ldflags_filter "$@")
860 append LDLIBFLAGS $($ldflags_filter "$@")
864 append ASMSTRIPFLAGS "$@"
868 prepend extralibs $($ldflags_filter "$@")
872 append host_cppflags "$@"
876 append host_cflags $($host_cflags_filter "$@")
880 append host_ldflags $($host_ldflags_filter "$@")
884 append compat_objs $1
886 map 'add_cppflags -D$v' "$@"
891 "$@" >> $logfile 2>&1
896 stat "$1" >> $logfile 2>&1
900 eval printf '%s\\n' $CC_O
904 eval printf '%s\\n' $CC_E
911 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
918 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
925 check_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
932 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
936 eval printf '%s\\n' $AS_O
943 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
947 log check_inline_asm "$@"
952 check_cc "$@" <<EOF && enable $name
953 void foo(void){ __asm__ volatile($code); }
957 check_inline_asm_flags(){
958 log check_inline_asm_flags "$@"
963 while [ "$1" != "" ]; do
969 void foo(void){ __asm__ volatile($code); }
972 check_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&
973 enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags
978 check_inline_asm ${1}_inline "\"$2\""
979 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
987 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
991 eval printf '%s\\n' $LD_O
998 flags=$(filter_out '-l*|*.so' $@)
999 libs=$(filter '-l*|*.so' $@)
1000 check_$type $($cflags_filter $flags) || return
1001 flags=$($ldflags_filter $flags)
1002 libs=$($ldflags_filter $libs)
1003 check_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
1008 test "${hdr%.h}" = "${hdr}" &&
1009 echo "#include $hdr" ||
1010 echo "#include <$hdr>"
1020 for hdr in $headers; do
1023 echo "int main(void) { $code; return 0; }"
1024 } | check_$check "$@"
1028 log check_cppflags "$@"
1029 check_cpp "$@" <<EOF && append CPPFLAGS "$@"
1035 log test_cflags "$@"
1036 set -- $($cflags_filter "$@")
1043 log check_cflags "$@"
1044 test_cflags "$@" && add_cflags "$@"
1048 log check_cxxflags "$@"
1049 set -- $($cflags_filter "$@")
1050 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
1056 log test_objcflags "$@"
1057 set -- $($objcflags_filter "$@")
1058 check_objcc "$@" <<EOF
1064 log check_objcflags "$@"
1065 test_objcflags "$@" && add_objcflags "$@"
1069 log test_ldflags "$@"
1070 check_ld "cc" "$@" <<EOF
1071 int main(void){ return 0; }
1076 log check_ldflags "$@"
1077 test_ldflags "$@" && add_ldflags "$@"
1081 log test_stripflags "$@"
1082 # call check_cc to get a fresh TMPO
1084 int main(void) { return 0; }
1086 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1090 log check_stripflags "$@"
1091 test_stripflags "$@" && add_stripflags "$@"
1095 log check_header "$@"
1098 disable_safe $header
1099 check_cpp "$@" <<EOF && enable_safe $header
1105 check_header_objcc(){
1106 log check_header_objcc "$@"
1110 disable_safe $header
1112 echo "#include <$header>"
1113 echo "int main(void) { return 0; }"
1114 } | check_objcc && check_stat "$TMPO" && enable_safe $headers
1122 check_ld "cc" "$@" <<EOF && enable $func
1124 int main(void){ $func(); }
1128 check_complexfunc(){
1129 log check_complexfunc "$@"
1133 test $narg = 2 && args="f, g" || args="f * I"
1135 check_ld "cc" "$@" <<EOF && enable $func
1136 #include <complex.h>
1138 float foo(complex float f, complex float g) { return $func($args); }
1139 int main(void){ return (int) foo; }
1144 log check_mathfunc "$@"
1148 test $narg = 2 && args="f, g" || args="f"
1150 check_ld "cc" "$@" <<EOF && enable $func
1152 float foo(float f, float g) { return $func($args); }
1153 int main(void){ return (int) foo; }
1157 check_func_headers(){
1158 log check_func_headers "$@"
1163 for hdr in $headers; do
1166 echo "#include <stdint.h>"
1167 for func in $funcs; do
1168 echo "long check_$func(void) { return (long) $func; }"
1170 echo "int main(void) { int ret = 0;"
1171 # LTO could optimize out the test functions without this
1172 for func in $funcs; do
1173 echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"
1175 echo "return ret; }"
1176 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1179 check_class_headers_cpp(){
1180 log check_class_headers_cpp "$@"
1185 for hdr in $headers; do
1186 echo "#include <$hdr>"
1188 echo "int main(void) { "
1190 for class in $classes; do
1191 echo "$class obj$i;"
1195 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1198 check_cpp_condition(){
1199 log check_cpp_condition "$@"
1203 check_cpp "$@" <<EOF
1206 #error "unsatisfied condition: $condition"
1212 log test_cflags_cc "$@"
1217 set -- $($cflags_filter "$flags")
1221 #error "unsatisfied condition: $condition"
1233 check_func_headers "$headers" "$funcs" "$@" &&
1234 enable $name && add_extralibs "$@"
1238 log check_lib_cpp "$@"
1242 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1246 log check_pkg_config "$@"
1252 check_cmd $pkg_config --exists --print-errors $pkg_version || return
1253 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1254 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1255 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1256 set_safe "${pkg}_cflags" $pkg_cflags &&
1257 set_safe "${pkg}_extralibs" $pkg_libs
1261 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1265 log check_exec_crash "$@"
1268 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1269 # are safe but may not be available everywhere. Thus we use
1270 # raise(SIGTERM) instead. The check is run in a subshell so we
1271 # can redirect the "Terminated" message from the shell. SIGBUS
1272 # is not defined by standard C so it is used conditionally.
1274 (check_exec "$@") >> $logfile 2>&1 <<EOF
1276 static void sighandler(int sig){
1282 int (*func_ptr)(void) = foo;
1284 signal(SIGILL, sighandler);
1285 signal(SIGFPE, sighandler);
1286 signal(SIGSEGV, sighandler);
1288 signal(SIGBUS, sighandler);
1300 disable_safe "$type"
1301 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1305 log check_struct "$@"
1310 disable_safe "${struct}_${member}"
1311 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1312 enable_safe "${struct}_${member}"
1316 log check_builtin "$@"
1322 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1325 check_compile_assert(){
1326 log check_compile_assert "$@"
1332 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1342 check_lib $name "$headers" $func "$@" || die "ERROR: $name_version not found"
1350 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1354 log use_pkg_config "$@"
1356 check_pkg_config "$@" || return 1
1357 add_cflags $(get_safe "${pkg}_cflags")
1358 add_extralibs $(get_safe "${pkg}_extralibs")
1361 require_pkg_config(){
1362 use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"
1366 eval printf '%s\\n' $HOSTCC_E
1370 eval printf '%s\\n' $HOSTCC_O
1374 log check_host_cc "$@"
1377 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1381 log check_host_cpp "$@"
1384 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1387 check_host_cppflags(){
1388 log check_host_cppflags "$@"
1389 check_host_cpp "$@" <<EOF && append host_cppflags "$@"
1394 check_host_cflags(){
1395 log check_host_cflags "$@"
1396 set -- $($host_cflags_filter "$@")
1397 check_host_cc "$@" <<EOF && append host_cflags "$@"
1402 check_host_cpp_condition(){
1403 log check_host_cpp_condition "$@"
1407 check_host_cpp "$@" <<EOF
1410 #error "unsatisfied condition: $condition"
1416 cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1417 mkdir -p "$(dirname $2)"
1421 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1422 # system-dependent things.
1424 AVCODEC_COMPONENTS="
1432 AVDEVICE_COMPONENTS="
1436 AVFILTER_COMPONENTS="
1439 AVFORMAT_COMPONENTS="
1445 AVRESAMPLE_COMPONENTS=""
1446 AVUTIL_COMPONENTS=""
1450 $AVDEVICE_COMPONENTS
1451 $AVFILTER_COMPONENTS
1452 $AVFORMAT_COMPONENTS
1453 $AVRESAMPLE_COMPONENTS
1458 avio_dir_cmd_example
1459 avio_reading_example
1460 decode_audio_example
1461 decode_video_example
1462 demuxing_decoding_example
1463 encode_audio_example
1464 encode_video_example
1466 filter_audio_example
1467 filtering_audio_example
1468 filtering_video_example
1469 http_multiclient_example
1474 resampling_audio_example
1475 scaling_video_example
1476 transcode_aac_example
1479 EXTERNAL_AUTODETECT_LIBRARY_LIST="
1495 EXTERNAL_LIBRARY_GPL_LIST="
1507 EXTERNAL_LIBRARY_NONFREE_LIST="
1513 EXTERNAL_LIBRARY_VERSION3_LIST="
1520 EXTERNAL_LIBRARY_GPLV3_LIST="
1524 EXTERNAL_LIBRARY_LIST="
1525 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1526 $EXTERNAL_LIBRARY_GPL_LIST
1527 $EXTERNAL_LIBRARY_NONFREE_LIST
1528 $EXTERNAL_LIBRARY_VERSION3_LIST
1529 $EXTERNAL_LIBRARY_GPLV3_LIST
1586 HWACCEL_AUTODETECT_LIBRARY_LIST="
1596 videotoolbox_hwaccel
1600 HWACCEL_LIBRARY_NONFREE_LIST="
1604 HWACCEL_LIBRARY_LIST="
1605 $HWACCEL_AUTODETECT_LIBRARY_LIST
1606 $HWACCEL_LIBRARY_NONFREE_LIST
1626 safe_bitstream_reader
1673 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1677 $EXTERNAL_LIBRARY_LIST
1678 $HWACCEL_LIBRARY_LIST
1709 $EXTERNAL_AUTODETECT_LIBRARY_LIST
1710 $HWACCEL_AUTODETECT_LIBRARY_LIST
1752 ARCH_EXT_LIST_MIPS="
1764 ARCH_EXT_LIST_LOONGSON="
1770 ARCH_EXT_LIST_X86_SIMD="
1799 $ARCH_EXT_LIST_X86_SIMD
1809 $ARCH_EXT_LIST_LOONGSON
1832 sync_val_compare_and_swap
1851 cdio_paranoia_paranoia_h
1855 dev_bktr_ioctl_bt848_h
1856 dev_bktr_ioctl_meteor_h
1858 dev_video_bktr_ioctl_bt848_h
1859 dev_video_meteor_ioctl_meteor_h
1868 machine_ioctl_bt848_h
1869 machine_ioctl_meteor_h
1871 opencv2_core_core_c_h
1872 openjpeg_2_1_openjpeg_h
1873 openjpeg_2_0_openjpeg_h
1874 openjpeg_1_5_openjpeg_h
1953 GetProcessAffinityMask
1954 GetProcessMemoryInfo
1957 GetSystemTimeAsFileTime
1964 jack_port_get_latency_range
1981 SetConsoleTextAttribute
1982 SetConsoleCtrlHandler
1990 UTGetOSTypeFromString
1995 TOOLCHAIN_FEATURES="
2008 inline_asm_direct_symbol_refs
2010 inline_asm_nonlocal_labels
2021 CONDITION_VARIABLE_Ptr
2024 struct_group_source_req
2025 struct_ip_mreq_source
2027 struct_msghdr_msg_flags
2029 struct_rusage_ru_maxrss
2030 struct_sctp_event_subscribe
2032 struct_sockaddr_sa_len
2033 struct_sockaddr_storage
2034 struct_stat_st_mtim_tv_nsec
2035 struct_v4l2_frmivalenum_discrete
2040 $(add_suffix _external $ARCH_EXT_LIST)
2041 $(add_suffix _inline $ARCH_EXT_LIST)
2064 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
2078 # options emitted with CONFIG_ prefix but not available on the command line
2095 frame_thread_encoder
2249 # code dependency declarations
2251 # architecture extensions
2256 armv8_deps="aarch64"
2257 neon_deps_any="aarch64 arm"
2258 intrinsics_neon_deps="neon"
2259 vfp_deps_any="aarch64 arm"
2263 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2265 loongson2_deps="mips"
2266 loongson3_deps="mips"
2269 mipsdspr2_deps="mips"
2270 mips32r2_deps="mips"
2271 mips32r5_deps="mips"
2272 mips32r6_deps="mips"
2273 mips64r2_deps="mips"
2274 mips64r6_deps="mips"
2286 x86_64_select="i686"
2287 x86_64_suggest="fast_cmov"
2290 amd3dnowext_deps="amd3dnow"
2307 mmx_external_deps="yasm"
2308 mmx_inline_deps="inline_asm"
2309 mmx_suggest="mmx_external mmx_inline"
2311 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2312 eval dep=\$${ext}_deps
2313 eval ${ext}_external_deps='"${dep}_external"'
2314 eval ${ext}_inline_deps='"${dep}_inline"'
2315 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2318 aligned_stack_if_any="aarch64 ppc x86"
2319 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2320 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2321 fast_unaligned_if_any="aarch64 ppc x86"
2322 simd_align_16_if_any="altivec neon sse"
2323 simd_align_32_if_any="avx"
2325 # system capabilities
2326 symver_if_any="symver_asm_label symver_gnu_asm"
2327 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
2330 atomics_gcc_if="sync_val_compare_and_swap"
2331 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2332 atomics_win32_if="MemoryBarrier"
2333 atomics_native_if_any="$ATOMICS_LIST"
2334 w32threads_deps="atomics_native"
2335 threads_if_any="$THREADS_LIST"
2339 dirac_parse_select="golomb"
2340 error_resilience_select="me_cmp"
2341 faandct_deps="faan fdctdsp"
2342 faanidct_deps="faan idctdsp"
2343 h264dsp_select="startcode"
2344 hevcparse_select="golomb"
2345 frame_thread_encoder_deps="encoders threads"
2346 intrax8_select="blockdsp idctdsp"
2349 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2350 mpeg_er_select="error_resilience"
2351 mpegaudio_select="mpegaudiodsp mpegaudioheader"
2352 mpegaudiodsp_select="dct"
2353 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2354 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2355 vc1dsp_select="h264chroma qpeldsp startcode"
2358 # decoders / encoders
2359 aac_decoder_select="mdct15 mdct sinewin"
2360 aac_fixed_decoder_select="mdct sinewin"
2361 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2362 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2363 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2364 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2365 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2366 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2367 adpcm_g722_decoder_select="g722dsp"
2368 adpcm_g722_encoder_select="g722dsp"
2369 aic_decoder_select="golomb idctdsp"
2370 alac_encoder_select="lpc"
2371 als_decoder_select="bswapdsp"
2372 amrnb_decoder_select="lsp"
2373 amrwb_decoder_select="lsp"
2374 amv_decoder_select="sp5x_decoder exif"
2375 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2376 ape_decoder_select="bswapdsp llauddsp"
2377 apng_decoder_select="zlib"
2378 apng_encoder_select="llvidencdsp zlib"
2379 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2380 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2381 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2382 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2383 atrac1_decoder_select="mdct sinewin"
2384 atrac3_decoder_select="mdct"
2385 atrac3p_decoder_select="mdct sinewin"
2386 avrn_decoder_select="exif jpegtables"
2387 bink_decoder_select="blockdsp hpeldsp"
2388 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2389 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2390 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2391 cllc_decoder_select="bswapdsp"
2392 comfortnoise_encoder_select="lpc"
2393 cook_decoder_select="audiodsp mdct sinewin"
2394 cscd_decoder_select="lzo"
2395 cscd_decoder_suggest="zlib"
2396 dca_decoder_select="mdct"
2397 dds_decoder_select="texturedsp"
2398 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2399 dnxhd_decoder_select="blockdsp idctdsp"
2400 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2401 dvvideo_decoder_select="dvprofile idctdsp"
2402 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2403 dxa_decoder_select="zlib"
2404 dxv_decoder_select="lzf texturedsp"
2405 eac3_decoder_select="ac3_decoder"
2406 eac3_encoder_select="ac3_encoder"
2407 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2408 eatgq_decoder_select="aandcttables"
2409 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2410 exr_decoder_select="zlib"
2411 ffv1_decoder_select="rangecoder"
2412 ffv1_encoder_select="rangecoder"
2413 ffvhuff_decoder_select="huffyuv_decoder"
2414 ffvhuff_encoder_select="huffyuv_encoder"
2415 fic_decoder_select="golomb"
2416 flac_decoder_select="flacdsp"
2417 flac_encoder_select="bswapdsp flacdsp lpc"
2418 flashsv2_decoder_select="zlib"
2419 flashsv2_encoder_select="zlib"
2420 flashsv_decoder_select="zlib"
2421 flashsv_encoder_select="zlib"
2422 flv_decoder_select="h263_decoder"
2423 flv_encoder_select="h263_encoder"
2424 fourxm_decoder_select="blockdsp bswapdsp"
2425 fraps_decoder_select="bswapdsp huffman"
2426 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2427 g729_decoder_select="audiodsp"
2428 h261_decoder_select="mpegvideo"
2429 h261_encoder_select="aandcttables mpegvideoenc"
2430 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2431 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2432 h263i_decoder_select="h263_decoder"
2433 h263p_decoder_select="h263_decoder"
2434 h263p_encoder_select="h263_encoder"
2435 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2436 h264_decoder_suggest="error_resilience"
2437 hap_decoder_select="snappy texturedsp"
2438 hap_encoder_deps="libsnappy"
2439 hap_encoder_select="texturedspenc"
2440 hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"
2441 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2442 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"
2443 iac_decoder_select="imc_decoder"
2444 imc_decoder_select="bswapdsp fft mdct sinewin"
2445 indeo3_decoder_select="hpeldsp"
2446 indeo4_decoder_select="ividsp"
2447 indeo5_decoder_select="ividsp"
2448 interplay_video_decoder_select="hpeldsp"
2449 jpegls_decoder_select="mjpeg_decoder"
2450 jv_decoder_select="blockdsp"
2451 lagarith_decoder_select="llviddsp"
2452 ljpeg_encoder_select="aandcttables idctdsp jpegtables mpegvideoenc"
2453 magicyuv_decoder_select="llviddsp"
2454 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2455 metasound_decoder_select="lsp mdct sinewin"
2456 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2457 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2458 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2459 mjpegb_decoder_select="mjpeg_decoder"
2460 mlp_decoder_select="mlp_parser"
2461 mlp_encoder_select="lpc"
2462 motionpixels_decoder_select="bswapdsp"
2463 mp1_decoder_select="mpegaudio"
2464 mp1float_decoder_select="mpegaudio"
2465 mp2_decoder_select="mpegaudio"
2466 mp2float_decoder_select="mpegaudio"
2467 mp3_decoder_select="mpegaudio"
2468 mp3adu_decoder_select="mpegaudio"
2469 mp3adufloat_decoder_select="mpegaudio"
2470 mp3float_decoder_select="mpegaudio"
2471 mp3on4_decoder_select="mpegaudio"
2472 mp3on4float_decoder_select="mpegaudio"
2473 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2474 mpc8_decoder_select="mpegaudiodsp"
2475 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2476 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2477 mpegvideo_decoder_select="mpegvideo"
2478 mpeg1video_decoder_select="mpegvideo"
2479 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2480 mpeg2video_decoder_select="mpegvideo"
2481 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2482 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2483 mpeg4_encoder_select="h263_encoder"
2484 msa1_decoder_select="mss34dsp"
2485 mscc_decoder_select="zlib"
2486 msmpeg4v1_decoder_select="h263_decoder"
2487 msmpeg4v2_decoder_select="h263_decoder"
2488 msmpeg4v2_encoder_select="h263_encoder"
2489 msmpeg4v3_decoder_select="h263_decoder"
2490 msmpeg4v3_encoder_select="h263_encoder"
2491 mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"
2492 mts2_decoder_select="mss34dsp"
2493 mxpeg_decoder_select="mjpeg_decoder"
2494 nellymoser_decoder_select="mdct sinewin"
2495 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2496 nuv_decoder_select="idctdsp lzo"
2497 on2avc_decoder_select="mdct"
2498 opus_decoder_deps="swresample"
2499 opus_decoder_select="mdct15"
2500 opus_encoder_select="audio_frame_queue mdct15"
2501 png_decoder_select="zlib"
2502 png_encoder_select="llvidencdsp zlib"
2503 prores_decoder_select="blockdsp idctdsp"
2504 prores_encoder_select="fdctdsp"
2505 qcelp_decoder_select="lsp"
2506 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2507 ra_144_decoder_select="audiodsp"
2508 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2509 ralf_decoder_select="golomb"
2510 rawvideo_decoder_select="bswapdsp"
2511 rscc_decoder_select="zlib"
2512 rtjpeg_decoder_select="me_cmp"
2513 rv10_decoder_select="h263_decoder"
2514 rv10_encoder_select="h263_encoder"
2515 rv20_decoder_select="h263_decoder"
2516 rv20_encoder_select="h263_encoder"
2517 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2518 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2519 screenpresso_decoder_select="zlib"
2520 shorten_decoder_select="bswapdsp"
2521 sipr_decoder_select="lsp"
2522 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2523 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2524 sonic_decoder_select="golomb rangecoder"
2525 sonic_encoder_select="golomb rangecoder"
2526 sonic_ls_encoder_select="golomb rangecoder"
2527 sp5x_decoder_select="mjpeg_decoder"
2528 srgc_decoder_select="zlib"
2529 svq1_decoder_select="hpeldsp"
2530 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2531 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2532 svq3_decoder_suggest="zlib"
2533 tak_decoder_select="audiodsp"
2534 tdsc_decoder_select="zlib mjpeg_decoder"
2535 theora_decoder_select="vp3_decoder"
2536 thp_decoder_select="mjpeg_decoder"
2537 tiff_decoder_suggest="zlib lzma"
2538 tiff_encoder_suggest="zlib"
2539 truehd_decoder_select="mlp_parser"
2540 truehd_encoder_select="lpc"
2541 truemotion2_decoder_select="bswapdsp"
2542 truespeech_decoder_select="bswapdsp"
2543 tscc_decoder_select="zlib"
2544 twinvq_decoder_select="mdct lsp sinewin"
2545 txd_decoder_select="texturedsp"
2546 utvideo_decoder_select="bswapdsp llviddsp"
2547 utvideo_encoder_select="bswapdsp huffman llvidencdsp"
2548 vble_decoder_select="llviddsp"
2549 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2550 vc1_qsv_decoder_deps="libmfx"
2551 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel vc1_parser"
2552 vc1image_decoder_select="vc1_decoder"
2553 vorbis_decoder_select="mdct"
2554 vorbis_encoder_select="mdct"
2555 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2556 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2557 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2558 vp6a_decoder_select="vp6_decoder"
2559 vp6f_decoder_select="vp6_decoder"
2560 vp7_decoder_select="h264pred videodsp vp8dsp"
2561 vp8_decoder_select="h264pred videodsp vp8dsp"
2562 vp9_decoder_select="videodsp vp9_parser"
2563 webp_decoder_select="vp8_decoder exif"
2564 wmalossless_decoder_select="llauddsp"
2565 wmapro_decoder_select="mdct sinewin wma_freqs"
2566 wmav1_decoder_select="mdct sinewin wma_freqs"
2567 wmav1_encoder_select="mdct sinewin wma_freqs"
2568 wmav2_decoder_select="mdct sinewin wma_freqs"
2569 wmav2_encoder_select="mdct sinewin wma_freqs"
2570 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2571 wmv1_decoder_select="h263_decoder"
2572 wmv1_encoder_select="h263_encoder"
2573 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2574 wmv2_encoder_select="h263_encoder wmv2dsp"
2575 wmv3_decoder_select="vc1_decoder"
2576 wmv3image_decoder_select="wmv3_decoder"
2577 xma1_decoder_select="wmapro_decoder"
2578 xma2_decoder_select="wmapro_decoder"
2579 zerocodec_decoder_select="zlib"
2580 zlib_decoder_select="zlib"
2581 zlib_encoder_select="zlib"
2582 zmbv_decoder_select="zlib"
2583 zmbv_encoder_select="zlib"
2586 audiotoolbox_deps="AudioToolbox_AudioToolbox_h"
2587 audiotoolbox_extralibs="-framework CoreFoundation -framework AudioToolbox -framework CoreMedia"
2589 # hardware accelerators
2590 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2591 cuda_deps_any="dlopen LoadLibrary"
2593 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2594 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2595 dxva2_extralibs="-luser32"
2596 dxva2_lib_deps="dxva2"
2597 vda_framework_deps="VideoDecodeAcceleration_VDADecoder_h"
2598 vda_framework_extralibs="-framework VideoDecodeAcceleration"
2599 vda_deps="vda_framework pthreads"
2600 vda_extralibs="-framework CoreFoundation -framework QuartzCore"
2601 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2602 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2603 xvmc_deps="X11_extensions_XvMClib_h"
2605 h263_vaapi_hwaccel_deps="vaapi"
2606 h263_vaapi_hwaccel_select="h263_decoder"
2607 h263_videotoolbox_hwaccel_deps="videotoolbox"
2608 h263_videotoolbox_hwaccel_select="h263_decoder"
2609 h264_cuvid_hwaccel_deps="cuda cuvid"
2610 h264_cuvid_hwaccel_select="h264_cuvid_decoder"
2611 h264_d3d11va_hwaccel_deps="d3d11va"
2612 h264_d3d11va_hwaccel_select="h264_decoder"
2613 h264_dxva2_hwaccel_deps="dxva2"
2614 h264_dxva2_hwaccel_select="h264_decoder"
2615 h264_mediacodec_hwaccel_deps="mediacodec"
2616 h264_mmal_hwaccel_deps="mmal"
2617 h264_qsv_hwaccel_deps="libmfx"
2618 h264_vaapi_hwaccel_deps="vaapi"
2619 h264_vaapi_hwaccel_select="h264_decoder"
2620 h264_vda_hwaccel_deps="vda"
2621 h264_vda_hwaccel_select="h264_decoder"
2622 h264_vda_old_hwaccel_deps="vda"
2623 h264_vda_old_hwaccel_select="h264_decoder"
2624 h264_vdpau_hwaccel_deps="vdpau"
2625 h264_vdpau_hwaccel_select="h264_decoder"
2626 h264_videotoolbox_hwaccel_deps="videotoolbox"
2627 h264_videotoolbox_hwaccel_select="h264_decoder"
2628 hevc_cuvid_hwaccel_deps="cuda cuvid"
2629 hevc_cuvid_hwaccel_select="hevc_cuvid_decoder"
2630 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2631 hevc_d3d11va_hwaccel_select="hevc_decoder"
2632 hevc_mediacodec_hwaccel_deps="mediacodec"
2633 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2634 hevc_dxva2_hwaccel_select="hevc_decoder"
2635 hevc_qsv_hwaccel_deps="libmfx"
2636 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2637 hevc_vaapi_hwaccel_select="hevc_decoder"
2638 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2639 hevc_vdpau_hwaccel_select="hevc_decoder"
2640 mjpeg_cuvid_hwaccel_deps="cuda cuvid"
2641 mjpeg_cuvid_hwaccel_select="mjpeg_cuvid_decoder"
2642 mpeg_xvmc_hwaccel_deps="xvmc"
2643 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2644 mpeg1_cuvid_hwaccel_deps="cuda cuvid"
2645 mpeg1_cuvid_hwaccel_select="mpeg1_cuvid_decoder"
2646 mpeg1_vdpau_hwaccel_deps="vdpau"
2647 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2648 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2649 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2650 mpeg1_xvmc_hwaccel_deps="xvmc"
2651 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2652 mpeg2_cuvid_hwaccel_deps="cuda cuvid"
2653 mpeg2_cuvid_hwaccel_select="mpeg2_cuvid_decoder"
2654 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2655 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2656 mpeg2_dxva2_hwaccel_deps="dxva2"
2657 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2658 mpeg2_mmal_hwaccel_deps="mmal"
2659 mpeg2_qsv_hwaccel_deps="libmfx"
2660 mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"
2661 mpeg2_vaapi_hwaccel_deps="vaapi"
2662 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2663 mpeg2_vdpau_hwaccel_deps="vdpau"
2664 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2665 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2666 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2667 mpeg2_xvmc_hwaccel_deps="xvmc"
2668 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2669 mpeg4_cuvid_hwaccel_deps="cuda cuvid"
2670 mpeg4_cuvid_hwaccel_select="mpeg4_cuvid_decoder"
2671 mpeg4_mediacodec_hwaccel_deps="mediacodec"
2672 mpeg4_mmal_hwaccel_deps="mmal"
2673 mpeg4_vaapi_hwaccel_deps="vaapi"
2674 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2675 mpeg4_vdpau_hwaccel_deps="vdpau"
2676 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2677 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2678 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2679 vc1_cuvid_hwaccel_deps="cuda cuvid"
2680 vc1_cuvid_hwaccel_select="vc1_cuvid_decoder"
2681 vc1_d3d11va_hwaccel_deps="d3d11va"
2682 vc1_d3d11va_hwaccel_select="vc1_decoder"
2683 vc1_dxva2_hwaccel_deps="dxva2"
2684 vc1_dxva2_hwaccel_select="vc1_decoder"
2685 vc1_mmal_hwaccel_deps="mmal"
2686 vc1_qsv_hwaccel_deps="libmfx"
2687 vc1_qsv_hwaccel_select="qsvdec_vc1"
2688 vc1_vaapi_hwaccel_deps="vaapi"
2689 vc1_vaapi_hwaccel_select="vc1_decoder"
2690 vc1_vdpau_hwaccel_deps="vdpau"
2691 vc1_vdpau_hwaccel_select="vc1_decoder"
2692 vp8_cuvid_hwaccel_deps="cuda cuvid"
2693 vp8_cuvid_hwaccel_select="vp8_cuvid_decoder"
2694 vp9_cuvid_hwaccel_deps="cuda cuvid"
2695 vp9_cuvid_hwaccel_select="vp9_cuvid_decoder"
2696 vp8_mediacodec_hwaccel_deps="mediacodec"
2697 vp8_qsv_hwaccel_deps="libmfx"
2698 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2699 vp9_d3d11va_hwaccel_select="vp9_decoder"
2700 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2701 vp9_dxva2_hwaccel_select="vp9_decoder"
2702 vp9_mediacodec_hwaccel_deps="mediacodec"
2703 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"
2704 vp9_vaapi_hwaccel_select="vp9_decoder"
2705 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2706 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2707 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2708 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2710 # hardware-accelerated codecs
2711 omx_deps="dlopen pthreads"
2712 omx_extralibs='$ldl'
2713 omx_rpi_select="omx"
2716 vaapi_encode_deps="vaapi"
2718 hwupload_cuda_filter_deps="cuda"
2719 scale_npp_filter_deps="cuda libnpp"
2722 nvenc_deps_any="dlopen LoadLibrary"
2723 nvenc_encoder_deps="nvenc"
2725 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2726 h264_cuvid_decoder_deps="cuda cuvid"
2727 h264_cuvid_decoder_select="h264_mp4toannexb_bsf"
2728 h264_mediacodec_decoder_deps="mediacodec"
2729 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2730 h264_mmal_decoder_deps="mmal"
2731 h264_nvenc_encoder_deps="nvenc"
2732 h264_omx_encoder_deps="omx"
2733 h264_qsv_decoder_deps="libmfx"
2734 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2735 h264_qsv_encoder_deps="libmfx"
2736 h264_qsv_encoder_select="qsvenc"
2737 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2738 h264_vaapi_encoder_select="vaapi_encode golomb"
2739 h264_vda_decoder_deps="vda"
2740 h264_vda_decoder_select="h264_decoder"
2741 h264_vdpau_decoder_deps="vdpau"
2742 h264_vdpau_decoder_select="h264_decoder"
2743 hevc_cuvid_decoder_deps="cuda cuvid"
2744 hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"
2745 hevc_mediacodec_decoder_deps="mediacodec"
2746 hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"
2747 hevc_nvenc_encoder_deps="nvenc"
2748 hevc_qsv_decoder_deps="libmfx"
2749 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
2750 hevc_qsv_encoder_deps="libmfx"
2751 hevc_qsv_encoder_select="hevcparse qsvenc"
2752 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2753 hevc_vaapi_encoder_select="vaapi_encode golomb"
2754 mjpeg_cuvid_decoder_deps="cuda cuvid"
2755 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2756 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2757 mpeg1_cuvid_decoder_deps="cuda cuvid"
2758 mpeg1_vdpau_decoder_deps="vdpau"
2759 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2760 mpeg2_crystalhd_decoder_select="crystalhd"
2761 mpeg2_cuvid_decoder_deps="cuda cuvid"
2762 mpeg2_mmal_decoder_deps="mmal"
2763 mpeg2_qsv_decoder_deps="libmfx"
2764 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
2765 mpeg2_qsv_encoder_deps="libmfx"
2766 mpeg2_qsv_encoder_select="qsvenc"
2767 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2768 mpeg2_vaapi_encoder_select="vaapi_encode"
2769 mpeg4_crystalhd_decoder_select="crystalhd"
2770 mpeg4_cuvid_decoder_deps="cuda cuvid"
2771 mpeg4_mediacodec_decoder_deps="mediacodec"
2772 mpeg4_mmal_decoder_deps="mmal"
2773 mpeg4_omx_encoder_deps="omx"
2774 mpeg4_vdpau_decoder_deps="vdpau"
2775 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2776 mpeg_vdpau_decoder_deps="vdpau"
2777 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2778 msmpeg4_crystalhd_decoder_select="crystalhd"
2779 nvenc_h264_encoder_select="h264_nvenc_encoder"
2780 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2781 vc1_crystalhd_decoder_select="crystalhd"
2782 vc1_cuvid_decoder_deps="cuda cuvid"
2783 vc1_mmal_decoder_deps="mmal"
2784 vc1_vdpau_decoder_deps="vdpau"
2785 vc1_vdpau_decoder_select="vc1_decoder"
2786 vp8_cuvid_decoder_deps="cuda cuvid"
2787 vp8_mediacodec_decoder_deps="mediacodec"
2788 vp8_qsv_decoder_deps="libmfx"
2789 vp8_qsv_decoder_select="qsvdec vp8_qsv_hwaccel vp8_parser"
2790 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2791 vp8_vaapi_encoder_select="vaapi_encode"
2792 vp9_cuvid_decoder_deps="cuda cuvid"
2793 vp9_mediacodec_decoder_deps="mediacodec"
2794 wmv3_crystalhd_decoder_select="crystalhd"
2795 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2798 h264_parser_select="golomb h264dsp h264parse"
2799 hevc_parser_select="hevcparse"
2800 mpegaudio_parser_select="mpegaudioheader"
2801 mpegvideo_parser_select="mpegvideo"
2802 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2803 vc1_parser_select="vc1dsp"
2806 mjpeg2jpeg_bsf_select="jpegtables"
2808 # external libraries
2809 aac_at_decoder_deps="audiotoolbox"
2810 ac3_at_decoder_deps="audiotoolbox"
2811 ac3_at_decoder_select="ac3_parser"
2812 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
2813 alac_at_decoder_deps="audiotoolbox"
2814 amr_nb_at_decoder_deps="audiotoolbox"
2815 avisynth_deps_any="dlopen LoadLibrary"
2816 avisynth_demuxer_deps="avisynth"
2817 avisynth_demuxer_select="riffdec"
2818 eac3_at_decoder_deps="audiotoolbox"
2819 eac3_at_decoder_select="ac3_parser"
2820 gsm_ms_at_decoder_deps="audiotoolbox"
2821 ilbc_at_decoder_deps="audiotoolbox"
2822 mp1_at_decoder_deps="audiotoolbox"
2823 mp2_at_decoder_deps="audiotoolbox"
2824 mp3_at_decoder_deps="audiotoolbox"
2825 mp1_at_decoder_select="mpegaudioheader"
2826 mp2_at_decoder_select="mpegaudioheader"
2827 mp3_at_decoder_select="mpegaudioheader"
2828 pcm_alaw_at_decoder_deps="audiotoolbox"
2829 pcm_mulaw_at_decoder_deps="audiotoolbox"
2830 qdmc_at_decoder_deps="audiotoolbox"
2831 qdm2_at_decoder_deps="audiotoolbox"
2832 aac_at_encoder_deps="audiotoolbox"
2833 aac_at_encoder_select="audio_frame_queue"
2834 alac_at_encoder_deps="audiotoolbox"
2835 alac_at_encoder_select="audio_frame_queue"
2836 ilbc_at_encoder_deps="audiotoolbox"
2837 ilbc_at_encoder_select="audio_frame_queue"
2838 pcm_alaw_at_encoder_deps="audiotoolbox"
2839 pcm_alaw_at_encoder_select="audio_frame_queue"
2840 pcm_mulaw_at_encoder_deps="audiotoolbox"
2841 pcm_mulaw_at_encoder_select="audio_frame_queue"
2842 chromaprint_muxer_deps="chromaprint"
2843 h264_videotoolbox_encoder_deps="videotoolbox_encoder pthreads"
2844 libcelt_decoder_deps="libcelt"
2845 libfdk_aac_decoder_deps="libfdk_aac"
2846 libfdk_aac_encoder_deps="libfdk_aac"
2847 libfdk_aac_encoder_select="audio_frame_queue"
2848 libgme_demuxer_deps="libgme"
2849 libgsm_decoder_deps="libgsm"
2850 libgsm_encoder_deps="libgsm"
2851 libgsm_ms_decoder_deps="libgsm"
2852 libgsm_ms_encoder_deps="libgsm"
2853 libilbc_decoder_deps="libilbc"
2854 libilbc_encoder_deps="libilbc"
2855 libkvazaar_encoder_deps="libkvazaar"
2856 libmodplug_demuxer_deps="libmodplug"
2857 libmp3lame_encoder_deps="libmp3lame"
2858 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
2859 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2860 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2861 libopencore_amrnb_encoder_select="audio_frame_queue"
2862 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2863 libopenh264_decoder_deps="libopenh264"
2864 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2865 libopenh264_encoder_deps="libopenh264"
2866 libopenjpeg_decoder_deps="libopenjpeg"
2867 libopenjpeg_encoder_deps="libopenjpeg"
2868 libopenmpt_demuxer_deps="libopenmpt"
2869 libopus_decoder_deps="libopus"
2870 libopus_encoder_deps="libopus"
2871 libopus_encoder_select="audio_frame_queue"
2872 libschroedinger_decoder_deps="libschroedinger"
2873 libschroedinger_encoder_deps="libschroedinger"
2874 libshine_encoder_deps="libshine"
2875 libshine_encoder_select="audio_frame_queue"
2876 libspeex_decoder_deps="libspeex"
2877 libspeex_encoder_deps="libspeex"
2878 libspeex_encoder_select="audio_frame_queue"
2879 libtheora_encoder_deps="libtheora"
2880 libtwolame_encoder_deps="libtwolame"
2881 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2882 libvorbis_decoder_deps="libvorbis"
2883 libvorbis_encoder_deps="libvorbis"
2884 libvorbis_encoder_select="audio_frame_queue"
2885 libvpx_vp8_decoder_deps="libvpx"
2886 libvpx_vp8_encoder_deps="libvpx"
2887 libvpx_vp9_decoder_deps="libvpx"
2888 libvpx_vp9_encoder_deps="libvpx"
2889 libwavpack_encoder_deps="libwavpack"
2890 libwavpack_encoder_select="audio_frame_queue"
2891 libwebp_encoder_deps="libwebp"
2892 libwebp_anim_encoder_deps="libwebp"
2893 libx262_encoder_deps="libx262"
2894 libx264_encoder_deps="libx264"
2895 libx264rgb_encoder_deps="libx264 x264_csp_bgr"
2896 libx264rgb_encoder_select="libx264_encoder"
2897 libx265_encoder_deps="libx265"
2898 libxavs_encoder_deps="libxavs"
2899 libxvid_encoder_deps="libxvid"
2900 libzvbi_teletext_decoder_deps="libzvbi"
2901 videotoolbox_deps="VideoToolbox_VideoToolbox_h"
2902 videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework CoreVideo"
2903 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
2904 videotoolbox_encoder_suggest="vda_framework vt_bt2020"
2905 vt_bt2020_deps="kCVImageBufferColorPrimaries_ITU_R_2020"
2908 ac3_demuxer_select="ac3_parser"
2909 aiff_muxer_select="iso_media"
2910 asf_demuxer_select="riffdec"
2911 asf_o_demuxer_select="riffdec"
2912 asf_muxer_select="riffenc"
2913 asf_stream_muxer_select="asf_muxer"
2914 avi_demuxer_select="iso_media riffdec exif"
2915 avi_muxer_select="riffenc"
2916 caf_demuxer_select="iso_media riffdec"
2917 caf_muxer_select="iso_media"
2918 dash_muxer_select="mp4_muxer"
2919 dirac_demuxer_select="dirac_parser"
2920 dts_demuxer_select="dca_parser"
2921 dtshd_demuxer_select="dca_parser"
2922 dv_demuxer_select="dvprofile"
2923 dv_muxer_select="dvprofile"
2924 dxa_demuxer_select="riffdec"
2925 eac3_demuxer_select="ac3_parser"
2926 f4v_muxer_select="mov_muxer"
2927 fifo_muxer_deps="threads"
2928 flac_demuxer_select="flac_parser"
2929 hds_muxer_select="flv_muxer"
2930 hls_muxer_select="mpegts_muxer"
2931 image2_alias_pix_demuxer_select="image2_demuxer"
2932 image2_brender_pix_demuxer_select="image2_demuxer"
2933 ipod_muxer_select="mov_muxer"
2934 ismv_muxer_select="mov_muxer"
2935 libnut_demuxer_deps="libnut"
2936 libnut_muxer_deps="libnut"
2937 matroska_audio_muxer_select="matroska_muxer"
2938 matroska_demuxer_select="iso_media riffdec"
2939 matroska_demuxer_suggest="bzlib lzo zlib"
2940 matroska_muxer_select="iso_media riffenc"
2941 mmf_muxer_select="riffenc"
2942 mov_demuxer_select="iso_media riffdec"
2943 mov_demuxer_suggest="zlib"
2944 mov_muxer_select="iso_media riffenc rtpenc_chain"
2945 mp3_demuxer_select="mpegaudio_parser"
2946 mp3_muxer_select="mpegaudioheader"
2947 mp4_muxer_select="mov_muxer"
2948 mpegts_demuxer_select="iso_media"
2949 mpegts_muxer_select="adts_muxer latm_muxer"
2950 mpegtsraw_demuxer_select="mpegts_demuxer"
2951 mxf_d10_muxer_select="mxf_muxer"
2952 mxf_opatom_muxer_select="mxf_muxer"
2953 nut_muxer_select="riffenc"
2954 nuv_demuxer_select="riffdec"
2955 oga_muxer_select="ogg_muxer"
2956 ogg_demuxer_select="dirac_parse"
2957 ogv_muxer_select="ogg_muxer"
2958 opus_muxer_select="ogg_muxer"
2959 psp_muxer_select="mov_muxer"
2960 rtp_demuxer_select="sdp_demuxer"
2961 rtp_muxer_select="golomb"
2962 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
2963 rtsp_demuxer_select="http_protocol rtpdec"
2964 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2965 sap_demuxer_select="sdp_demuxer"
2966 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2967 sdp_demuxer_select="rtpdec"
2968 smoothstreaming_muxer_select="ismv_muxer"
2969 spdif_muxer_select="aac_parser"
2970 spx_muxer_select="ogg_muxer"
2971 swf_demuxer_suggest="zlib"
2972 tak_demuxer_select="tak_parser"
2973 tg2_muxer_select="mov_muxer"
2974 tgp_muxer_select="mov_muxer"
2975 vobsub_demuxer_select="mpegps_demuxer"
2976 w64_demuxer_select="wav_demuxer"
2977 w64_muxer_select="wav_muxer"
2978 wav_demuxer_select="riffdec"
2979 wav_muxer_select="riffenc"
2980 webm_muxer_select="iso_media riffenc"
2981 webm_dash_manifest_demuxer_select="matroska_demuxer"
2982 wtv_demuxer_select="mpegts_demuxer riffdec"
2983 wtv_muxer_select="mpegts_muxer riffenc"
2984 xmv_demuxer_select="riffdec"
2985 xwma_demuxer_select="riffdec"
2988 alsa_indev_deps="alsa"
2989 alsa_outdev_deps="alsa"
2990 avfoundation_indev_deps="pthreads"
2991 avfoundation_indev_extralibs="-framework Foundation -framework AVFoundation -framework CoreVideo -framework CoreMedia"
2992 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2993 caca_outdev_deps="libcaca"
2994 decklink_indev_deps="decklink threads"
2995 decklink_indev_extralibs="-lstdc++"
2996 decklink_outdev_deps="decklink threads"
2997 decklink_outdev_extralibs="-lstdc++"
2998 dshow_indev_deps="IBaseFilter"
2999 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
3000 dv1394_indev_deps="dv1394"
3001 dv1394_indev_select="dv_demuxer"
3002 fbdev_indev_deps="linux_fb_h"
3003 fbdev_outdev_deps="linux_fb_h"
3004 gdigrab_indev_deps="CreateDIBSection"
3005 gdigrab_indev_extralibs="-lgdi32"
3006 gdigrab_indev_select="bmp_decoder"
3007 iec61883_indev_deps="libiec61883"
3008 jack_indev_deps="jack"
3009 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
3010 lavfi_indev_deps="avfilter"
3011 libcdio_indev_deps="libcdio"
3012 libdc1394_indev_deps="libdc1394"
3013 libv4l2_indev_deps="libv4l2"
3014 openal_indev_deps="openal"
3015 opengl_outdev_deps="opengl"
3016 oss_indev_deps_any="soundcard_h sys_soundcard_h"
3017 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
3018 pulse_indev_deps="libpulse"
3019 pulse_outdev_deps="libpulse"
3020 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
3021 qtkit_indev_select="qtkit"
3022 sdl2_outdev_deps="sdl2"
3023 sndio_indev_deps="sndio"
3024 sndio_outdev_deps="sndio"
3025 v4l_indev_deps="linux_videodev_h"
3026 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
3027 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
3028 vfwcap_indev_deps="vfw32 vfwcap_defines"
3029 xcbgrab_indev_deps="libxcb"
3030 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
3031 xv_outdev_extralibs="-lXv -lX11 -lXext"
3034 async_protocol_deps="threads"
3035 bluray_protocol_deps="libbluray"
3036 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
3037 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
3038 ffrtmpcrypt_protocol_select="tcp_protocol"
3039 ffrtmphttp_protocol_deps="!librtmp_protocol"
3040 ffrtmphttp_protocol_select="http_protocol"
3041 ftp_protocol_select="tcp_protocol"
3042 gopher_protocol_select="network"
3043 http_protocol_select="tcp_protocol"
3044 httpproxy_protocol_select="tcp_protocol"
3045 https_protocol_select="tls_protocol"
3046 icecast_protocol_select="http_protocol"
3047 librtmp_protocol_deps="librtmp"
3048 librtmpe_protocol_deps="librtmp"
3049 librtmps_protocol_deps="librtmp"
3050 librtmpt_protocol_deps="librtmp"
3051 librtmpte_protocol_deps="librtmp"
3052 libsmbclient_protocol_deps="libsmbclient gplv3"
3053 libssh_protocol_deps="libssh"
3054 mmsh_protocol_select="http_protocol"
3055 mmst_protocol_select="network"
3056 rtmp_protocol_deps="!librtmp_protocol"
3057 rtmp_protocol_select="tcp_protocol"
3058 rtmpe_protocol_select="ffrtmpcrypt_protocol"
3059 rtmps_protocol_deps="!librtmp_protocol"
3060 rtmps_protocol_select="tls_protocol"
3061 rtmpt_protocol_select="ffrtmphttp_protocol"
3062 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
3063 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
3064 rtp_protocol_select="udp_protocol"
3065 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
3066 sctp_protocol_select="network"
3067 srtp_protocol_select="rtp_protocol srtp"
3068 tcp_protocol_select="network"
3069 tls_gnutls_protocol_deps="gnutls !tls_schannel_protocol !tls_securetransport_protocol"
3070 tls_gnutls_protocol_select="tcp_protocol"
3071 tls_openssl_protocol_deps="openssl !tls_schannel_protocol !tls_securetransport_protocol !tls_gnutls_protocol"
3072 tls_openssl_protocol_select="tcp_protocol"
3073 tls_schannel_protocol_deps="schannel"
3074 tls_schannel_protocol_select="tcp_protocol"
3075 tls_securetransport_protocol_deps="securetransport"
3076 tls_securetransport_protocol_select="tcp_protocol"
3077 tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
3078 udp_protocol_select="network"
3079 udplite_protocol_select="network"
3080 unix_protocol_deps="sys_un_h"
3081 unix_protocol_select="network"
3084 afftfilt_filter_deps="avcodec"
3085 afftfilt_filter_select="fft"
3086 afir_filter_deps="avcodec"
3087 afir_filter_select="fft"
3088 amovie_filter_deps="avcodec avformat"
3089 aresample_filter_deps="swresample"
3090 ass_filter_deps="libass"
3091 atempo_filter_deps="avcodec"
3092 atempo_filter_select="rdft"
3093 azmq_filter_deps="libzmq"
3094 blackframe_filter_deps="gpl"
3095 boxblur_filter_deps="gpl"
3096 bs2b_filter_deps="libbs2b"
3097 colormatrix_filter_deps="gpl"
3098 cover_rect_filter_deps="avcodec avformat gpl"
3099 cropdetect_filter_deps="gpl"
3100 deinterlace_qsv_filter_deps="libmfx"
3101 deinterlace_vaapi_filter_deps="vaapi"
3102 delogo_filter_deps="gpl"
3103 deshake_filter_select="pixelutils"
3104 drawtext_filter_deps="libfreetype"
3105 elbg_filter_deps="avcodec"
3106 eq_filter_deps="gpl"
3107 fftfilt_filter_deps="avcodec"
3108 fftfilt_filter_select="rdft"
3109 find_rect_filter_deps="avcodec avformat gpl"
3110 firequalizer_filter_deps="avcodec"
3111 firequalizer_filter_select="rdft"
3112 flite_filter_deps="libflite"
3113 framerate_filter_select="pixelutils"
3114 frei0r_filter_deps="frei0r dlopen"
3115 frei0r_src_filter_deps="frei0r dlopen"
3116 fspp_filter_deps="gpl"
3117 geq_filter_deps="gpl"
3118 histeq_filter_deps="gpl"
3119 hqdn3d_filter_deps="gpl"
3120 interlace_filter_deps="gpl"
3121 kerndeint_filter_deps="gpl"
3122 ladspa_filter_deps="ladspa dlopen"
3123 mcdeint_filter_deps="avcodec gpl"
3124 movie_filter_deps="avcodec avformat"
3125 mpdecimate_filter_deps="gpl"
3126 mpdecimate_filter_select="pixelutils"
3127 mptestsrc_filter_deps="gpl"
3128 negate_filter_deps="lut_filter"
3129 nnedi_filter_deps="gpl"
3130 ocr_filter_deps="libtesseract"
3131 ocv_filter_deps="libopencv"
3132 owdenoise_filter_deps="gpl"
3133 pan_filter_deps="swresample"
3134 perspective_filter_deps="gpl"
3135 phase_filter_deps="gpl"
3136 pp7_filter_deps="gpl"
3137 pp_filter_deps="gpl postproc"
3138 pullup_filter_deps="gpl"
3139 removelogo_filter_deps="avcodec avformat swscale"
3140 repeatfields_filter_deps="gpl"
3141 resample_filter_deps="avresample"
3142 rubberband_filter_deps="librubberband"
3143 sab_filter_deps="gpl swscale"
3144 scale2ref_filter_deps="swscale"
3145 scale_filter_deps="swscale"
3146 scale_qsv_filter_deps="libmfx"
3147 select_filter_select="pixelutils"
3148 showcqt_filter_deps="avcodec avformat swscale"
3149 showcqt_filter_select="fft"
3150 showfreqs_filter_deps="avcodec"
3151 showfreqs_filter_select="fft"
3152 showspectrum_filter_deps="avcodec"
3153 showspectrum_filter_select="fft"
3154 showspectrumpic_filter_deps="avcodec"
3155 showspectrumpic_filter_select="fft"
3156 signature_filter_deps="gpl avcodec avformat"
3157 smartblur_filter_deps="gpl swscale"
3158 sofalizer_filter_deps="netcdf avcodec"
3159 sofalizer_filter_select="fft"
3160 spectrumsynth_filter_deps="avcodec"
3161 spectrumsynth_filter_select="fft"
3162 spp_filter_deps="gpl avcodec"
3163 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
3164 stereo3d_filter_deps="gpl"
3165 subtitles_filter_deps="avformat avcodec libass"
3166 super2xsai_filter_deps="gpl"
3167 pixfmts_super2xsai_test_deps="super2xsai_filter"
3168 tinterlace_filter_deps="gpl"
3169 tinterlace_merge_test_deps="tinterlace_filter"
3170 tinterlace_pad_test_deps="tinterlace_filter"
3171 uspp_filter_deps="gpl avcodec"
3172 vaguedenoiser_filter_deps="gpl"
3173 vidstabdetect_filter_deps="libvidstab"
3174 vidstabtransform_filter_deps="libvidstab"
3175 zmq_filter_deps="libzmq"
3176 zoompan_filter_deps="swscale"
3177 zscale_filter_deps="libzimg"
3178 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3181 avio_dir_cmd_deps="avformat avutil"
3182 avio_reading_deps="avformat avcodec avutil"
3183 decode_audio_example_deps="avcodec avutil"
3184 decode_video_example_deps="avcodec avutil"
3185 demuxing_decoding_example_deps="avcodec avformat avutil"
3186 encode_audio_example_deps="avcodec avutil"
3187 encode_video_example_deps="avcodec avutil"
3188 extract_mvs_example_deps="avcodec avformat avutil"
3189 filter_audio_example_deps="avfilter avutil"
3190 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3191 filtering_video_example_deps="avfilter avcodec avformat avutil"
3192 http_multiclient_example_deps="avformat avutil fork"
3193 metadata_example_deps="avformat avutil"
3194 muxing_example_deps="avcodec avformat avutil swscale"
3195 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
3196 remuxing_example_deps="avcodec avformat avutil"
3197 resampling_audio_example_deps="avutil swresample"
3198 scaling_video_example_deps="avutil swscale"
3199 transcode_aac_example_deps="avcodec avformat swresample"
3200 transcoding_example_deps="avfilter avcodec avformat avutil"
3202 # libraries, in linking order
3203 avcodec_deps="avutil"
3204 avcodec_select="null_bsf"
3205 avdevice_deps="avformat avcodec avutil"
3206 avfilter_deps="avutil"
3207 avformat_deps="avcodec avutil"
3208 avresample_deps="avutil"
3209 postproc_deps="avutil gpl"
3210 swresample_deps="avutil"
3211 swscale_deps="avutil"
3214 ffmpeg_deps="avcodec avfilter avformat swresample"
3215 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3218 ffplay_deps="avcodec avformat swscale swresample sdl2"
3219 ffplay_extralibs='$sdl2_extralibs'
3220 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3221 ffprobe_deps="avcodec avformat"
3222 ffserver_deps="avformat fork sarestart"
3223 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
3226 podpages_deps="perl"
3227 manpages_deps="perl pod2man"
3228 htmlpages_deps="perl"
3229 htmlpages_deps_any="makeinfo_html texi2html"
3230 txtpages_deps="perl makeinfo"
3231 doc_deps_any="manpages htmlpages podpages txtpages"
3233 # default parameters
3235 logfile="ffbuild/config.log"
3237 # installation paths
3238 prefix_default="/usr/local"
3239 bindir_default='${prefix}/bin'
3240 datadir_default='${prefix}/share/ffmpeg'
3241 docdir_default='${prefix}/share/doc/ffmpeg'
3242 incdir_default='${prefix}/include'
3243 libdir_default='${prefix}/lib'
3244 mandir_default='${prefix}/share/man'
3250 host_cc_default="gcc"
3251 doxygen_default="doxygen"
3253 ln_s_default="ln -s -f"
3256 pkg_config_default=pkg-config
3257 ranlib_default="ranlib"
3258 strip_default="strip"
3259 version_script='--version-script'
3260 yasmexe_default="yasm"
3261 windres_default="windres"
3264 target_os_default=$(tolower $(uname -s))
3265 host_os=$target_os_default
3268 if test "$target_os_default" = aix; then
3269 arch_default=$(uname -p)
3270 strip_default="strip -X32_64"
3272 arch_default=$(uname -m)
3277 # configurable options
3278 enable $PROGRAM_LIST
3279 enable $DOCUMENT_LIST
3280 enable $EXAMPLE_LIST
3281 enable $(filter_out avresample $LIBRARY_LIST)
3287 enable faan faandct faanidct
3288 enable optimizations
3289 enable runtime_cpudetect
3290 enable safe_bitstream_reader
3292 enable swscale_alpha
3293 enable valgrind_backtrace
3295 sws_max_filter_size_default=256
3296 set_default sws_max_filter_size
3299 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3302 FULLNAME='$(NAME)$(BUILDSUF)'
3303 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3306 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3307 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3308 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3309 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3310 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3311 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3312 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
3336 host_extralibs='-lm'
3337 host_cflags_filter=echo
3338 host_ldflags_filter=echo
3340 target_path='$(CURDIR)'
3342 # since the object filename is not given with the -MM flag, the compiler
3343 # is only able to print the basename, and we must add the path ourselves
3344 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3348 if test -f configure; then
3351 source_path=$(cd $(dirname "$0"); pwd)
3352 case "$source_path" in
3353 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3355 test -e "$source_path/config.h" &&
3356 die "Out of tree builds are impossible with config.h in source dir."
3363 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3369 file=$source_path/$3
3370 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3373 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
3374 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
3375 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
3376 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
3377 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
3378 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
3379 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
3380 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
3381 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3383 find_things_extern(){
3386 file=$source_path/$3
3387 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
3390 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3391 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3407 for n in $COMPONENT_LIST; do
3408 v=$(toupper ${n%s})_LIST
3410 eval ${n}_if_any="\$$v"
3413 enable $ARCH_EXT_LIST
3416 echo "Unknown option \"$1\"."
3417 echo "See $0 --help for available options."
3421 print_in_columns() {
3422 cols=$(expr $ncols / 24)
3423 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3429 echo $* | sed s/$suffix//g | print_in_columns
3441 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3442 echo "prob ${prob:-0.5}"
3450 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3451 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3460 --extra-ldexeflags=*)
3461 add_ldexeflags $optval
3463 --extra-ldlibflags=*)
3464 add_ldlibflags $optval
3467 add_extralibs $optval
3470 disable $INDEV_LIST $OUTDEV_LIST
3473 debuglevel="$optval"
3476 disable $PROGRAM_LIST
3478 --disable-everything)
3479 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3482 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3483 disable $LIBRARY_LIST $PROGRAM_LIST doc
3486 --enable-random|--disable-random)
3487 action=${opt%%-random}
3488 do_random ${action#--} $COMPONENT_LIST
3490 --enable-random=*|--disable-random=*)
3491 action=${opt%%-random=*}
3492 do_random ${action#--} $optval
3494 --enable-*=*|--disable-*=*)
3495 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3496 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3497 eval list=\$$(toupper $thing)_LIST
3498 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3499 list=$(filter "$name" $list)
3500 [ "$list" = "" ] && warn "Option $opt did not match anything"
3503 --enable-?*|--disable-?*)
3504 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3505 if is_in $option $COMPONENT_LIST; then
3506 test $action = disable && action=unset
3507 eval $action \$$(toupper ${option%s})_LIST
3508 elif is_in $option $CMDLINE_SELECT; then
3515 NAME="${opt#--list-}"
3516 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3518 eval show_list $NAME \$$(toupper $NAME)_LIST
3520 --help|-h) show_help
3522 --quiet|-q) quiet=yes
3524 --fatal-warnings) enable fatal_warnings
3527 libfuzzer_path="$optval"
3530 optname="${opt%%=*}"
3531 optname="${optname#--}"
3532 optname=$(echo "$optname" | sed 's/-/_/g')
3533 if is_in $optname $CMDLINE_SET; then
3534 eval $optname='$optval'
3535 elif is_in $optname $CMDLINE_APPEND; then
3536 append $optname "$optval"
3548 # Mark specifically enabled, but normally autodetected libraries as requested.
3549 for lib in $AUTODETECT_LIBS; do
3550 enabled $lib && request $lib
3553 # Enable platform codecs by default.
3554 enable_weak audiotoolbox
3556 # Enable hwaccels by default.
3557 enable_weak d3d11va dxva2 vaapi vda vdpau videotoolbox_hwaccel xvmc
3560 enable_weak cuda cuvid nvenc vda_framework videotoolbox videotoolbox_encoder
3562 disabled logging && logfile=/dev/null
3564 die_license_disabled() {
3565 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
3568 die_license_disabled_gpl() {
3569 enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }
3572 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3573 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3575 enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST
3576 map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST
3578 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3580 # Disable all the library-specific components if the library itself
3581 # is disabled, see AVCODEC_LIST and following _LIST variables.
3583 disable_components(){
3584 disabled ${1} && disable $(
3585 eval components="\$$(toupper ${1})_COMPONENTS"
3586 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3590 map 'disable_components $v' $LIBRARY_LIST
3593 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3596 test -n "$valgrind" && toolchain="valgrind-memcheck"
3598 enabled ossfuzz && {
3599 add_cflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer
3600 add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp
3603 case "$toolchain" in
3605 cc_default="${toolchain%-asan}"
3606 add_cflags -fsanitize=address
3607 add_ldflags -fsanitize=address
3610 cc_default="${toolchain%-msan}"
3611 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
3612 add_ldflags -fsanitize=memory
3615 cc_default="${toolchain%-tsan}"
3616 add_cflags -fsanitize=thread -fPIE
3617 add_ldflags -fsanitize=thread -pie
3618 case "$toolchain" in
3626 cc_default="${toolchain%-usan}"
3627 add_cflags -fsanitize=undefined
3628 add_ldflags -fsanitize=undefined
3631 target_exec_default="valgrind"
3632 case "$toolchain" in
3634 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
3637 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3642 # Check whether the current MSVC version needs the C99 converter.
3643 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3644 # support enough of C99 to build ffmpeg. Default to the new
3645 # behaviour if the regexp was unable to match anything, since this
3646 # successfully parses the version number of existing supported
3647 # versions that require the converter (MSVC 2010 and 2012).
3648 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3649 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3653 cc_default="c99wrap cl"
3654 cxx_default="c99wrap cl"
3656 ld_default="$source_path/compat/windows/mslink"
3657 nm_default="dumpbin -symbols"
3664 target_os_default="win32"
3665 # Use a relative path for TMPDIR. This makes sure all the
3666 # ffconf temp files are written with a relative path, avoiding
3667 # issues with msys/win32 path conversion for MSVC parameters
3668 # such as -Fo<file> or -out:<file>.
3674 nm_default="dumpbin -symbols"
3676 target_os_default="win32"
3680 add_cflags -fprofile-arcs -ftest-coverage
3681 add_ldflags -fprofile-arcs -ftest-coverage
3684 add_cflags -fprofile-arcs -ftest-coverage
3685 add_ldflags --coverage
3688 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3689 add_cflags -fno-strict-overflow -fstack-protector-all
3690 add_ldflags -Wl,-z,relro -Wl,-z,now
3692 add_ldexeflags -fPIE -pie
3695 die "Unknown toolchain $toolchain"
3699 test -n "$cross_prefix" && enable cross_compile
3701 if enabled cross_compile; then
3702 test -n "$arch" && test -n "$target_os" ||
3703 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
3706 ar_default="${cross_prefix}${ar_default}"
3707 cc_default="${cross_prefix}${cc_default}"
3708 cxx_default="${cross_prefix}${cxx_default}"
3709 nm_default="${cross_prefix}${nm_default}"
3710 pkg_config_default="${cross_prefix}${pkg_config_default}"
3711 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3712 ranlib_default="${cross_prefix}${ranlib_default} -D"
3714 ranlib_default="${cross_prefix}${ranlib_default}"
3716 strip_default="${cross_prefix}${strip_default}"
3717 windres_default="${cross_prefix}${windres_default}"
3719 sysinclude_default="${sysroot}/usr/include"
3721 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3722 target_exec target_os yasmexe
3723 enabled cross_compile || host_cc_default=$cc
3726 pkg_config_fail_message=""
3727 if ! $pkg_config --version >/dev/null 2>&1; then
3728 warn "$pkg_config not found, library detection may fail."
3730 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3731 pkg_config_fail_message="
3732 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3735 if test $doxygen != $doxygen_default && \
3736 ! $doxygen --version >/dev/null 2>&1; then
3737 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3742 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3746 EXESUF=$(exesuf $target_os)
3747 HOSTEXESUF=$(exesuf $host_os)
3749 # set temporary file name
3750 : ${TMPDIR:=$TEMPDIR}
3754 if [ -n "$tempprefix" ] ; then
3756 echo $tempprefix.${HOSTNAME}.${UID}
3758 elif ! check_cmd mktemp -u XXXXXX; then
3759 # simple replacement for missing mktemp
3760 # NOT SAFE FOR GENERAL USE
3762 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3767 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3768 (set -C; exec > $tmp) 2>/dev/null ||
3769 die "Unable to create temporary file in $TMPDIR."
3770 append TMPFILES $tmp
3774 trap 'rm -f -- $TMPFILES' EXIT
3779 tmpfile TMPE $EXESUF
3791 # make sure we can execute files in $TMPDIR
3792 cat > $TMPSH 2>> $logfile <<EOF
3795 chmod +x $TMPSH >> $logfile 2>&1
3796 if ! $TMPSH >> $logfile 2>&1; then
3798 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3799 variable to another directory and make sure that it is not mounted noexec.
3801 die "Sanity test failed."
3807 # Filter out MSVC cl.exe options from cflags that shouldn't
3808 # be passed to gas-preprocessor
3818 -std=c99) echo -c99 ;;
3819 -mcpu=*) echo -arch ${flag#*=} ;;
3820 -mieee) echo -ieee ;;
3821 -O*|-fast) echo $flag ;;
3822 -fno-math-errno) echo -assume nomath_errno ;;
3824 -Wall) echo -msg_enable level2 ;;
3825 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3826 -Wl,*) echo $flag ;;
3836 -Wno-switch) echo -Wno-switch-enum ;;
3837 -Wno-format-zero-length) ;;
3838 -Wdisabled-optimization) ;;
3839 -Wno-pointer-sign) echo -Wno-other ;;
3845 msvc_common_flags(){
3848 # In addition to specifying certain flags under the compiler
3849 # specific filters, they must be specified here as well or else the
3850 # generic catch all at the bottom will print the original flag.
3854 -fomit-frame-pointer) ;;
3858 -fno-signed-zeros) ;;
3862 -lz) echo zlib.lib ;;
3863 -lx264) echo libx264.lib ;;
3865 -l*) echo ${flag#-l}.lib ;;
3866 -LARGEADDRESSAWARE) echo $flag ;;
3867 -L*) echo -libpath:${flag#-L} ;;
3874 msvc_common_flags "$@"
3877 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3878 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3879 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3881 -wd4273 -wd4554 -wd4701 -wd4703 ;;
3887 msvc_common_flags "$@"
3890 # Despite what Intel's documentation says -Wall, which is supported
3891 # on Windows, does enable remarks so disable them here.
3892 -Wall) echo $flag -Qdiag-disable:remark ;;
3893 -std=c99) echo -Qstd=c99 ;;
3911 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3912 -fomit-frame-pointer) echo -Mnoframe ;;
3923 case "${flag#*=}" in
3924 native) echo -xtarget=native ;;
3925 v9|niagara) echo -xarch=sparc ;;
3926 ultrasparc) echo -xarch=sparcvis ;;
3927 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3928 i586|pentium) echo -xchip=pentium ;;
3929 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3930 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3931 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3932 pentium4*) echo -xtarget=pentium4 ;;
3933 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3934 *-sse3) echo -xarch=sse3 ;;
3935 core2) echo -xarch=ssse3 -xchip=core2 ;;
3936 bonnell) echo -xarch=ssse3 ;;
3937 corei7|nehalem) echo -xtarget=nehalem ;;
3938 westmere) echo -xtarget=westmere ;;
3939 silvermont) echo -xarch=sse4_2 ;;
3940 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3941 core-avx*|ivybridge|haswell|broadwell|skylake*|knl)
3943 amdfam10|barcelona) echo -xtarget=barcelona ;;
3944 btver1) echo -xarch=amdsse4a ;;
3945 btver2|bdver*|znver*) echo -xarch=avx ;;
3946 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3947 k8|opteron|athlon64|athlon-fx)
3948 echo -xarch=sse2a ;;
3949 athlon*) echo -xarch=pentium_proa ;;
3952 -std=c99) echo -xc99 ;;
3953 -fomit-frame-pointer) echo -xregs=frameptr ;;
3954 -fPIC) echo -KPIC -xcode=pic32 ;;
3955 -W*,*) echo $flag ;;
3956 -f*-*|-W*|-mimpure-text) ;;
3967 case "${flag#*=}" in
3968 armv7-a|cortex-a*) echo -mv=7a8 ;;
3969 armv7-r|cortex-r*) echo -mv=7r4 ;;
3970 armv7-m|cortex-m*) echo -mv=7m3 ;;
3971 armv6*|arm11*) echo -mv=6 ;;
3972 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3974 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3977 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3978 -mfpu=vfp) echo --float_support=vfpv2 ;;
3979 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3980 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3981 -msoft-float) echo --float_support=vfplib ;;
3982 -O[0-3]|-mf=*) echo $flag ;;
3984 -pds=*) echo $flag ;;
3985 -D*|-I*) echo $flag ;;
3986 --gcc|--abi=*) echo $flag ;;
3997 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3998 unset _ld_o _ldflags _ld_lib _ld_path
3999 unset _depflags _DEPCMD _DEPFLAGS
4002 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
4003 true # no-op to avoid reading stdin in following checks
4004 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
4006 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
4007 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
4008 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4011 elif $_cc -v 2>&1 | grep -qi ^gcc; then
4013 gcc_version=$($_cc --version | head -n1)
4014 gcc_basever=$($_cc -dumpversion)
4015 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
4016 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
4017 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
4018 case $gcc_basever in
4021 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
4023 if [ "$first" = true ]; then
4024 case $gcc_basever in
4026 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
4031 elif $_cc --version 2>/dev/null | grep -q ^icc; then
4033 _ident=$($_cc --version | head -n1)
4038 _flags_filter=icc_flags
4039 elif $_cc -v 2>&1 | grep -q xlc; then
4041 _ident=$($_cc -qversion 2>/dev/null | head -n1)
4043 _cflags_size='-O5 -qcompact'
4044 elif $_cc -V 2>/dev/null | grep -q Compaq; then
4046 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
4048 _cflags_speed='-fast'
4050 _flags_filter=ccc_flags
4051 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
4052 test -d "$sysroot" || die "No valid sysroot specified."
4054 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
4055 armcc_conf="$PWD/armcc.conf"
4056 $_cc --arm_linux_configure \
4057 --arm_linux_config_file="$armcc_conf" \
4058 --configure_sysroot="$sysroot" \
4059 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
4060 die "Error creating armcc configuration file."
4061 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
4062 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
4063 as_default="${cross_prefix}gcc"
4067 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
4069 _ident=$($_cc -version | head -n1 | tr -s ' ')
4070 _flags='--gcc --abi=eabi -me'
4073 _depflags='-ppa -ppd=$(@:.o=.d)'
4074 _cflags_speed='-O3 -mf=5'
4075 _cflags_size='-O3 -mf=2'
4076 _flags_filter=tms470_flags
4077 elif $_cc -v 2>&1 | grep -q clang; then
4079 _ident=$($_cc --version 2>/dev/null | head -n1)
4080 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4083 elif $_cc -V 2>&1 | grep -q Sun; then
4085 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
4086 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
4087 _DEPFLAGS='-xM1 -xc99'
4090 _cflags_size='-O5 -xspace'
4091 _flags_filter=suncc_flags
4092 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
4094 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4095 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4098 _flags_filter='filter_out -Wdisabled-optimization'
4099 elif $_cc -v 2>&1 | grep -q Open64; then
4101 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4102 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4105 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
4106 elif $_cc -V 2>&1 | grep -q Portland; then
4108 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
4109 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
4110 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
4111 _cflags_size="-O2 -Munroll=c:1 $opt_common"
4113 _flags_filter=pgi_flags
4114 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
4116 _ident=$($_cc | head -n1)
4117 # 4509: "This form of conditional instruction is deprecated"
4118 _flags="-nologo -ignore 4509"
4119 _flags_filter=armasm_flags
4120 elif $_cc 2>&1 | grep -q Intel; then
4122 _ident=$($_cc 2>&1 | head -n1)
4123 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
4124 # Not only is O3 broken on 13.x+ but it is slower on all previous
4125 # versions (tested) as well.
4127 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
4128 if $_cc 2>&1 | grep -q Linker; then
4135 _flags_filter=icl_flags
4137 _ld_path='-libpath:'
4138 # -Qdiag-error to make icl error when seeing certain unknown arguments
4139 _flags='-nologo -Qdiag-error:4044,10157'
4140 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
4141 # with MSVC which enables it by default.
4142 _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise'
4144 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
4145 # lld can emulate multiple different linkers; in ms link.exe mode,
4146 # the -? parameter gives the help output which contains an identifyable
4147 # string, while it gives an error in other modes.
4149 # The link.exe mode doesn't have a switch for getting the version,
4150 # but we can force it back to gnu mode and get the version from there.
4151 _ident=$($_cc -flavor gnu --version 2>/dev/null)
4153 _flags_filter=msvc_flags
4155 _ld_path='-libpath:'
4156 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
4158 _ident=$($_cc 2>&1 | head -n1)
4159 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
4160 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
4164 if $_cc -nologo- 2>&1 | grep -q Linker; then
4171 _flags_filter=msvc_flags
4173 _ld_path='-libpath:'
4176 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
4178 _ident=$($_cc --version | head -n1)
4182 _flags_filter=cparser_flags
4185 eval ${pfx}_type=\$_type
4186 eval ${pfx}_ident=\$_ident
4190 eval ${1}_C=\${_cc_c-\${${1}_C}}
4191 eval ${1}_E=\${_cc_e-\${${1}_E}}
4192 eval ${1}_O=\${_cc_o-\${${1}_O}}
4194 if [ -n "$_depflags" ]; then
4195 eval ${1}_DEPFLAGS=\$_depflags
4197 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
4198 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
4199 eval DEP${1}FLAGS=\$_flags
4203 probe_cc cc "$cc" "true"
4204 cflags_filter=$_flags_filter
4205 cflags_speed=$_cflags_speed
4206 cflags_size=$_cflags_size
4207 cflags_noopt=$_cflags_noopt
4208 add_cflags $_flags $_cflags
4209 cc_ldflags=$_ldflags
4213 probe_cc hostcc "$host_cc"
4214 host_cflags_filter=$_flags_filter
4215 add_host_cflags $_flags $_cflags
4218 test -n "$cc_type" && enable $cc_type ||
4219 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
4221 : ${as_default:=$cc}
4222 : ${objcc_default:=$cc}
4223 : ${dep_cc_default:=$cc}
4224 : ${ld_default:=$cc}
4225 : ${host_ld_default:=$host_cc}
4226 set_default ar as objcc dep_cc ld ln_s host_ld windres
4229 asflags_filter=$_flags_filter
4230 add_asflags $_flags $_cflags
4233 probe_cc objcc "$objcc"
4234 objcflags_filter=$_flags_filter
4235 add_objcflags $_flags $_cflags
4239 ldflags_filter=$_flags_filter
4240 add_ldflags $_flags $_ldflags
4241 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
4243 LD_LIB=${_ld_lib-$LD_LIB}
4244 LD_PATH=${_ld_path-$LD_PATH}
4246 probe_cc hostld "$host_ld"
4247 host_ldflags_filter=$_flags_filter
4248 add_host_ldflags $_flags $_ldflags
4249 HOSTLD_O=${_ld_o-$HOSTLD_O}
4251 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
4252 probe_cc depcc "$dep_cc"
4253 CCDEP=${_DEPCMD:-$DEPCMD}
4254 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
4258 if $ar 2>&1 | grep -q Microsoft; then
4261 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
4264 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
4265 arflags='-Xany -r -c'
4267 elif $ar 2>&1 | grep -q "\[D\] "; then
4275 add_cflags $extra_cflags
4276 add_cxxflags $extra_cxxflags
4277 add_objcflags $extra_objcflags
4278 add_asflags $extra_cflags
4280 if test -n "$sysroot"; then
4283 add_cppflags --sysroot="$sysroot"
4284 add_ldflags --sysroot="$sysroot"
4285 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
4286 add_cppflags -isysroot "$sysroot"
4287 add_ldflags -isysroot "$sysroot"
4290 add_cppflags -I"$sysinclude"
4291 add_ldflags --sysroot="$sysroot"
4296 if test "$cpu" = host; then
4297 enabled cross_compile &&
4298 die "--cpu=host makes no sense when cross-compiling."
4303 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4305 s/.*$1=\\([^ ]*\\).*/\\1/
4310 cpu=$(check_native -march || check_native -mcpu)
4314 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4315 sed -n "/cc1.*-target-cpu /{
4316 s/.*-target-cpu \\([^ ]*\\).*/\\1/
4321 cpu=$(check_native -march)
4325 test "${cpu:-host}" = host &&
4326 die "--cpu=host not supported with compiler $cc"
4329 # Deal with common $arch aliases
4353 "Power Macintosh"|ppc*|powerpc*)
4368 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
4373 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
4376 # Add processor-specific flags
4377 if enabled aarch64; then
4381 cpuflags="-march=$cpu"
4384 cpuflags="-mcpu=$cpu"
4388 elif enabled alpha; then
4390 cpuflags="-mcpu=$cpu"
4392 elif enabled arm; then
4395 check_cpp_condition stddef.h \
4396 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4401 if check_arm_arch 4; then echo armv4
4402 elif check_arm_arch 4T; then echo armv4t
4403 elif check_arm_arch 5; then echo armv5
4404 elif check_arm_arch 5E; then echo armv5e
4405 elif check_arm_arch 5T; then echo armv5t
4406 elif check_arm_arch 5TE; then echo armv5te
4407 elif check_arm_arch 5TEJ; then echo armv5te
4408 elif check_arm_arch 6; then echo armv6
4409 elif check_arm_arch 6J; then echo armv6j
4410 elif check_arm_arch 6K; then echo armv6k
4411 elif check_arm_arch 6Z; then echo armv6z
4412 elif check_arm_arch 6ZK; then echo armv6zk
4413 elif check_arm_arch 6T2; then echo armv6t2
4414 elif check_arm_arch 7; then echo armv7
4415 elif check_arm_arch 7A 7_A; then echo armv7-a
4416 elif check_arm_arch 7S; then echo armv7-a
4417 elif check_arm_arch 7R 7_R; then echo armv7-r
4418 elif check_arm_arch 7M 7_M; then echo armv7-m
4419 elif check_arm_arch 7EM 7E_M; then echo armv7-m
4420 elif check_arm_arch 8A 8_A; then echo armv8-a
4424 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4428 cpuflags="-march=$cpu"
4429 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4432 cpuflags="-mcpu=$cpu"
4434 cortex-a*) subarch=armv7a ;;
4435 cortex-r*) subarch=armv7r ;;
4436 cortex-m*) enable thumb; subarch=armv7m ;;
4437 arm11*) subarch=armv6 ;;
4438 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4439 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4440 *) subarch=$(probe_arm_arch) ;;
4446 armv5t*) enable fast_clz ;;
4449 disabled fast_unaligned || enable fast_unaligned
4453 elif enabled avr32; then
4458 cpuflags="-mpart=$cpu"
4462 cpuflags="-march=$cpu"
4466 cpuflags="-mcpu=$cpu"
4470 cpuflags="-march=$cpu"
4474 elif enabled bfin; then
4476 cpuflags="-mcpu=$cpu"
4478 elif enabled mips; then
4480 cpuflags="-march=$cpu"
4482 if [ "$cpu" != "generic" ]; then
4492 24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)
4503 enable local_aligned_8 local_aligned_16 local_aligned_32
4504 enable simd_align_16
4508 enable fast_unaligned
4509 disable aligned_stack
4515 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4518 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4521 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4526 # Unknown CPU. Disable everything.
4527 warn "unknown CPU. Disabling all MIPS optimizations."
4550 24kef*|34kf*|1004kf*)
4558 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"
4562 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4566 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4570 # We do not disable anything. Is up to the user to disable the unwanted features.
4571 warn 'generic cpu selected'
4574 elif enabled ppc; then
4578 case $(tolower $cpu) in
4579 601|ppc601|powerpc601)
4580 cpuflags="-mcpu=601"
4583 603*|ppc603*|powerpc603*)
4584 cpuflags="-mcpu=603"
4587 604*|ppc604*|powerpc604*)
4588 cpuflags="-mcpu=604"
4591 g3|75*|ppc75*|powerpc75*)
4592 cpuflags="-mcpu=750"
4595 g4|745*|ppc745*|powerpc745*)
4596 cpuflags="-mcpu=7450"
4599 74*|ppc74*|powerpc74*)
4600 cpuflags="-mcpu=7400"
4603 g5|970|ppc970|powerpc970)
4604 cpuflags="-mcpu=970"
4608 cpuflags="-mcpu=$cpu"
4612 cpuflags="-mcpu=$cpu"
4615 cpuflags="-mcpu=cell"
4620 cpuflags="-mcpu=e500mc"
4624 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4629 cpuflags="-mcpu=8540 -mhard-float"
4635 elif enabled sparc; then
4638 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4639 cpuflags="-mcpu=$cpu"
4641 ultrasparc*|niagara[234])
4642 cpuflags="-mcpu=$cpu"
4646 elif enabled x86; then
4650 cpuflags="-march=$cpu"
4654 # targets that do NOT support nopl and conditional mov (cmov)
4655 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4656 cpuflags="-march=$cpu"
4659 # targets that do support nopl and conditional mov (cmov)
4660 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4661 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\
4662 |amdfam10|barcelona|b[dt]ver*|znver*)
4663 cpuflags="-march=$cpu"
4667 # targets that do support conditional mov but on which it's slow
4668 pentium4|pentium4m|prescott|nocona)
4669 cpuflags="-march=$cpu"
4677 if [ "$cpu" != generic ]; then
4678 add_cflags $cpuflags
4679 add_asflags $cpuflags
4680 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4683 # compiler sanity check
4685 int main(void){ return 0; }
4687 if test "$?" != 0; then
4688 echo "$cc is unable to create an executable file."
4689 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4690 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4691 echo "Only do this if you know what cross compiling means."
4693 die "C compiler test failed."
4696 add_cppflags -D_ISOC99_SOURCE
4697 add_cxxflags -D__STDC_CONSTANT_MACROS
4698 check_cxxflags -std=c++11 || check_cxxflags -std=c++0x
4700 # some compilers silently accept -std=c11, so we also need to check that the
4701 # version macro is defined properly
4702 if test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L"; then
4705 check_cflags -std=c99
4708 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
4711 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
4715 add_host_cppflags -D_ISOC99_SOURCE
4716 check_host_cflags -std=c99
4717 check_host_cflags -Wall
4718 check_host_cflags -O3
4724 check_code cc "" "int test[2*($expr) - 1]" &&
4725 subarch=$arch64 || subarch=$arch32
4733 check_64bit mips mips64 '_MIPS_SIM > 1'
4737 check_64bit parisc parisc64 'sizeof(void *) > 4'
4741 check_64bit ppc ppc64 'sizeof(void *) > 4'
4745 check_64bit s390 s390x 'sizeof(void *) > 4'
4749 check_64bit sparc sparc64 'sizeof(void *) > 4'
4753 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4754 # Treat x32 as x64 for now. Note it also needs spic=$shared
4755 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4757 if test "$subarch" = "x86_64"; then
4762 check_cc <<EOF && subarch="ppc64"
4763 int test[(int)sizeof(char*) - 7];
4769 enabled spic && enable_weak pic
4775 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4776 enabled shared && add_ldflags -Wl,-brtl
4780 enable section_data_rel_ro
4781 SLIB_INSTALL_NAME='$(SLIBNAME)'
4783 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
4786 prefix_default="/boot/common"
4787 network_extralibs="-lnetwork"
4791 SHFLAGS='-shared -Wl,-h,$$(@F)'
4792 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
4793 network_extralibs="-lsocket -lnsl"
4794 add_cppflags -D__EXTENSIONS__
4795 # When using suncc to build, the Solaris linker will mark
4796 # an executable with each instruction set encountered by
4797 # the Solaris assembler. As our libraries contain their own
4798 # guards for processor-specific code, instead suppress
4799 # generation of the HWCAPS ELF section on Solaris x86 only.
4800 enabled_all suncc x86 &&
4801 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4802 add_ldflags -Wl,-M,mapfile
4803 nm_default='nm -P -g'
4805 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
4809 oss_indev_extralibs="-lossaudio"
4810 oss_outdev_extralibs="-lossaudio"
4811 enabled gcc || check_ldflags -Wl,-zmuldefs
4816 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4818 oss_indev_extralibs="-lossaudio"
4819 oss_outdev_extralibs="-lossaudio"
4827 add_extralibs -lpoll -lgnugetopt
4831 enabled ppc && add_asflags -force_cpusubtype_ALL
4832 install_name_dir_default='$(SHLIBDIR)'
4833 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4834 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4836 add_ldflags -Wl,-dynamic,-search_paths_first
4838 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4839 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4841 enabled x86_64 && objformat="macho64"
4842 enabled_any pic shared x86_64 ||
4843 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4844 check_header dispatch/dispatch.h &&
4845 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
4846 version_script='-exported_symbols_list'
4847 VERSION_SCRIPT_POSTPROCESS_CMD='tr " " "\n" | sed -n /global:/,/local:/p | grep ";" | tr ";" "\n" | sed -E "s/(.+)/_\1/g" | sed -E "s/(.+[^*])$$$$/\1*/"'
4850 die "Native MSYS builds are discouraged, please use the MINGW environment."
4853 if test $target_os = "mingw32ce"; then
4859 if enabled x86_64; then
4860 LIBTARGET="i386:x86-64"
4861 elif enabled arm; then
4864 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4865 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4866 shlibdir_default="$bindir_default"
4869 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4870 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4871 dlltool="${cross_prefix}dlltool"
4872 if check_cmd lib.exe -list; then
4873 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe -nologo -machine:$(LIBTARGET) -def:$$(@:$(SLIBSUF)=.def) -out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4874 if enabled x86_64; then
4877 elif check_cmd $dlltool --version; then
4878 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4880 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4882 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4883 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4884 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--disable-auto-image-base'
4888 check_ldflags -Wl,--nxcompat,--dynamicbase
4889 # Lets work around some stupidity in binutils.
4890 # ld will strip relocations from executables even though we need them
4891 # for dynamicbase (ASLR). Using -pie does retain the reloc section
4892 # however ld then forgets what the entry point should be (oops) so we
4893 # have to manually (re)set it.
4894 if enabled x86_32; then
4895 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
4896 elif enabled x86_64; then
4897 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
4898 check_ldflags -Wl,--high-entropy-va # binutils 2.25
4899 # Set image base >4GB for extra entropy with HEASLR
4900 add_ldexeflags -Wl,--image-base,0x140000000
4901 append SHFLAGS -Wl,--image-base,0x180000000
4906 if enabled shared; then
4907 # Link to the import library instead of the normal static library
4910 # Cannot build both shared and static libs with MSVC or icl.
4913 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
4914 shlibdir_default="$bindir_default"
4917 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4918 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4919 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4920 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4922 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4923 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4924 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4931 shlibdir_default="$bindir_default"
4934 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4935 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4936 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4938 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4939 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4942 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4943 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4945 *-dos|freedos|opendos)
4946 network_extralibs="-lsocket"
4949 add_cppflags -U__STRICT_ANSI__
4953 enable section_data_rel_ro
4957 ranlib="echo ignoring ranlib"
4962 add_cppflags -D_GNU_SOURCE
4963 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4964 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4968 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4969 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4970 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \
4971 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \
4972 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \
4973 echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \
4974 emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def'
4975 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \
4976 emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;'
4977 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4979 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib'
4981 enable_weak os2threads
4984 add_cppflags -D_BSD_SOURCE
4989 add_cppflags -D_QNX_SOURCE
4990 network_extralibs="-lsocket"
4995 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4996 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4997 add_ldflags -Wl,--target1-abs,--no-undefined \
4998 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4999 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
5000 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
5001 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
5002 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
5005 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
5012 die "Unknown OS '$target_os'."
5016 # test if creating links works
5017 link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)
5018 link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)
5020 $ln_s "$link_dest" "$link_name"
5021 touch "$link_dest/test_file"
5022 if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then
5023 # create link to source path
5024 [ -e src ] && rm src
5025 $ln_s "$source_path" src
5028 # creating directory links doesn't work
5029 # fall back to using the full source path
5030 source_link="$source_path"
5036 # determine libc flavour
5041 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
5042 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
5043 eval ${pfx}libc_type=uclibc
5044 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5045 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
5046 eval ${pfx}libc_type=glibc
5047 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
5048 # MinGW headers can be installed on Cygwin, so check for newlib first.
5049 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
5050 eval ${pfx}libc_type=newlib
5051 add_${pfx}cppflags -U__STRICT_ANSI__ -D_XOPEN_SOURCE=600
5052 # MinGW64 is backwards compatible with MinGW32, so check for it first.
5053 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
5054 eval ${pfx}libc_type=mingw64
5055 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
5056 add_compat msvcrt/snprintf.o
5057 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
5059 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5060 eval test \$${pfx_no_}cc_type = "gcc" &&
5061 add_${pfx}cppflags -D__printf__=__gnu_printf__
5062 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
5063 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
5064 eval ${pfx}libc_type=mingw32
5065 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
5066 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
5067 die "ERROR: MinGW32 runtime version must be >= 3.15."
5068 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
5069 check_${pfx}cpp_condition _mingw.h "defined(_WIN32_WINNT) && _WIN32_WINNT >= 0x0502" ||
5070 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
5071 check_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700__" &&
5072 add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700
5073 eval test \$${pfx_no_}cc_type = "gcc" &&
5074 add_${pfx}cppflags -D__printf__=__gnu_printf__
5075 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
5076 eval ${pfx}libc_type=msvcrt
5077 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
5078 if [ "$pfx" = host_ ]; then
5079 add_host_cppflags -Dsnprintf=_snprintf
5081 add_compat strtod.o strtod=avpriv_strtod
5082 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
5083 _snprintf=avpriv_snprintf \
5084 vsnprintf=avpriv_vsnprintf
5087 add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS
5088 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
5089 # 0x601 by default unless something else is set by the user.
5090 # This can easily lead to us detecting functions only present
5091 # in such new versions and producing binaries requiring windows 7.0.
5092 # Therefore explicitly set the default to XP unless the user has
5093 # set something else on the command line.
5094 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
5095 # family. For these cases, configure is free to use any functions
5096 # found in the SDK headers by default. (Alternatively, we could force
5097 # _WIN32_WINNT to 0x0602 in that case.)
5098 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
5099 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }
5100 #ifdef WINAPI_FAMILY
5101 #include <winapifamily.h>
5102 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
5107 if [ "$pfx" = "" ]; then
5108 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
5109 check_func strtoull || add_cflags -Dstrtoull=_strtoui64
5111 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
5112 eval ${pfx}libc_type=klibc
5113 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
5114 eval ${pfx}libc_type=bionic
5115 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
5116 eval ${pfx}libc_type=solaris
5117 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
5119 check_${pfx}cc <<EOF
5121 void *v = localtime_r;
5123 test "$?" != 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
5125 void *v = localtime_r;
5131 test -n "$libc_type" && enable libc_$libc_type
5133 test -n "$host_libc_type" && enable host_libc_$host_libc_type
5137 add_compat strtod.o strtod=avpriv_strtod
5141 # hacks for compiler/libc/os combinations
5143 if enabled_all tms470 libc_glibc; then
5144 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
5145 add_cppflags -D__USER_LABEL_PREFIX__=
5146 add_cppflags -D__builtin_memset=memset
5147 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
5148 add_cflags -pds=48 # incompatible redefinition of macro
5151 if enabled_all ccc libc_glibc; then
5152 add_ldflags -Wl,-z,now # calls to libots crash without this
5155 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
5156 add_cppflags '-I\$(SRC_PATH)/compat/float'
5159 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
5162 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" > ffbuild/config.fate
5164 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
5167 : ${shlibdir_default:="$libdir"}
5168 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
5170 set_default $PATHS_LIST
5173 # we need to build at least one lib type
5174 if ! enabled_any static shared; then
5176 At least one library type must be built.
5177 Specify --enable-static to build the static libraries or --enable-shared to
5178 build the shared libraries as well. To only build the shared libraries specify
5179 --disable-static in addition to --enable-shared.
5184 disabled optimizations || enabled ossfuzz || check_cflags -fomit-frame-pointer
5187 disabled pic && return
5190 case "$target_os" in
5200 enabled pic && enable_weak_pic
5202 check_cc <<EOF || die "Symbol mangling check failed."
5205 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
5206 extern_prefix=${sym%%ff_extern*}
5208 check_cc <<EOF && enable_weak inline_asm
5209 void foo(void) { __asm__ volatile ("" ::); }
5213 for restrict_keyword in restrict __restrict__ __restrict; do
5214 check_cc <<EOF && _restrict=$restrict_keyword && break
5215 void foo(char * $restrict_keyword p);
5219 check_cc <<EOF && enable pragma_deprecated
5220 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
5223 check_cc <<EOF && enable attribute_packed
5224 struct { int x; } __attribute__((packed)) x;
5227 check_cc <<EOF && enable attribute_may_alias
5228 union { int x; } __attribute__((may_alias)) x;
5231 check_cc <<EOF || die "endian test failed"
5232 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
5234 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
5236 if ! enabled ppc64 || enabled bigendian; then
5241 log "check_gas using '$as' as AS"
5242 # :vararg is used on aarch64, arm and ppc altivec
5243 check_as <<EOF || return 1
5244 .macro m n, y:vararg=0
5249 # .altmacro is only used in arm asm
5250 ! enabled arm || check_as <<EOF || return 1
5257 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
5259 enabled_any arm aarch64 && nogas=die
5260 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
5264 arm*) gaspp_as_type=armasm; as_noop=-h ;;
5265 gcc) gaspp_as_type=gas ;;
5266 *) gaspp_as_type=$as_type ;;
5269 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
5271 test "${as#*gas-preprocessor.pl}" != "$as" ||
5272 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
5273 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
5275 if ! check_gas ; then
5278 $nogas "GNU assembler not found, install/update gas-preprocessor"
5281 check_as <<EOF && enable as_func
5287 check_inline_asm inline_asm_labels '"1:\n"'
5289 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
5291 if enabled aarch64; then
5292 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
5293 # internal assembler in clang 3.3 does not support this instruction
5294 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
5295 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
5297 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
5299 elif enabled alpha; then
5303 elif enabled arm; then
5305 enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb
5307 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
5308 float func(float a, float b){ return a+b; }
5311 enabled thumb && check_cflags -mthumb || check_cflags -marm
5313 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
5315 elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
5317 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
5318 case "${cross_prefix:-$cc}" in
5319 *hardfloat*) enable vfp_args; fpabi=vfp ;;
5320 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
5321 __asm__ (".eabi_attribute 28, 1");
5322 int main(void) { return 0; }
5325 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
5328 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
5329 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
5330 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
5331 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
5332 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
5333 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
5334 enabled setend && check_insn setend 'setend be'
5336 [ $target_os = linux ] || [ $target_os = android ] ||
5337 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
5340 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
5342 check_as <<EOF && enable as_dn_directive
5346 check_as <<EOF && enable as_fpu_directive
5350 # llvm's integrated assembler supports .object_arch from llvm 3.5
5351 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
5355 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
5357 elif enabled mips; then
5359 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
5360 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
5361 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
5363 # Enable minimum ISA based on selected options
5364 if enabled mips64; then
5365 enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'
5366 enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'
5367 disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'
5369 enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'
5370 enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'
5371 enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'
5372 disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'
5375 enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'
5376 enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'
5377 enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_header msa.h || disable msa
5378 enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'
5379 enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'
5381 elif enabled parisc; then
5383 if enabled gcc; then
5384 case $($cc -dumpversion) in
5385 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
5389 elif enabled ppc; then
5391 enable local_aligned_8 local_aligned_16 local_aligned_32
5393 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
5394 check_inline_asm ibm_asm '"add 0, 0, 0"'
5395 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
5396 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
5398 # AltiVec flags: The FSF version of GCC differs from the Apple version
5399 if enabled altivec; then
5400 check_cflags -maltivec -mabi=altivec &&
5401 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
5402 check_cflags -faltivec
5404 # check if our compiler supports Motorola AltiVec C API
5405 check_cc <<EOF || disable altivec
5408 vector signed int v1 = (vector signed int) { 0 };
5409 vector signed int v2 = (vector signed int) { 1 };
5410 v1 = vec_add(v1, v2);
5415 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
5418 if enabled vsx; then
5419 check_cflags -mvsx &&
5420 check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx
5423 if enabled power8; then
5424 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
5427 elif enabled x86; then
5429 check_builtin rdtsc intrin.h "__rdtsc()"
5430 check_builtin mm_empty mmintrin.h "_mm_empty()"
5432 enable local_aligned_8 local_aligned_16 local_aligned_32
5434 # check whether EBP is available on x86
5435 # As 'i' is stored on the stack, this program will crash
5436 # if the base pointer is used to access it because the
5437 # base pointer is cleared in the inline assembly code.
5438 check_exec_crash <<EOF && enable ebp_available
5440 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
5444 # check whether EBX is available on x86
5445 check_inline_asm ebx_available '""::"b"(0)' &&
5446 check_inline_asm ebx_available '"":::"%ebx"'
5448 # check whether xmm clobbers are supported
5449 check_inline_asm xmm_clobbers '"":::"%xmm0"'
5451 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
5452 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
5454 # check whether binutils is new enough to compile SSSE3/MMXEXT
5455 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
5456 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
5458 if ! disabled_any asm mmx yasm; then
5459 if check_cmd $yasmexe --version; then
5460 enabled x86_64 && yasm_extra="-m amd64"
5461 yasm_debug="-g dwarf2"
5462 elif check_cmd nasm -v; then
5464 yasm_debug="-g -F dwarf"
5465 if enabled x86_64; then
5466 case "$objformat" in
5467 elf) objformat=elf64 ;;
5468 win32) objformat=win64 ;;
5473 YASMFLAGS="-f $objformat $yasm_extra"
5474 enabled pic && append YASMFLAGS "-DPIC"
5475 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
5476 case "$objformat" in
5477 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
5480 check_yasm "movbe ecx, [5]" && enable yasm ||
5481 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
5482 check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
5483 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
5484 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
5485 check_yasm "CPU amdnop" || disable cpunop
5489 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
5496 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
5498 check_ldflags -Wl,--as-needed
5499 check_ldflags -Wl,-z,noexecstack
5501 if check_func dlopen && check_func dlsym; then
5503 elif check_func dlopen -ldl && check_func dlsym -ldl; then
5507 avisynth_demuxer_extralibs='$ldl'
5508 cuda_extralibs='$ldl'
5509 decklink_outdev_extralibs="$decklink_outdev_extralibs $ldl"
5510 decklink_indev_extralibs="$decklink_indev_extralibs $ldl"
5511 frei0r_filter_extralibs='$ldl'
5512 frei0r_src_filter_extralibs='$ldl'
5513 ladspa_filter_extralibs='$ldl'
5514 nvenc_extralibs='$ldl'
5515 coreimage_filter_extralibs="-framework QuartzCore -framework AppKit -framework OpenGL"
5516 coreimagesrc_filter_extralibs="-framework QuartzCore -framework AppKit -framework OpenGL"
5518 if ! disabled network; then
5519 check_func getaddrinfo $network_extralibs
5520 check_func inet_aton $network_extralibs
5522 check_type netdb.h "struct addrinfo"
5523 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
5524 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
5525 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
5526 check_type poll.h "struct pollfd"
5527 check_type netinet/sctp.h "struct sctp_event_subscribe"
5528 check_struct "sys/socket.h" "struct msghdr" msg_flags
5529 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5530 check_type netinet/in.h "struct sockaddr_in6"
5531 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
5532 check_type "sys/types.h sys/socket.h" socklen_t
5534 # Prefer arpa/inet.h over winsock2
5535 if check_header arpa/inet.h ; then
5536 check_func closesocket
5537 elif check_header winsock2.h ; then
5538 check_func_headers winsock2.h closesocket -lws2 &&
5539 network_extralibs="-lws2" ||
5540 { check_func_headers winsock2.h closesocket -lws2_32 &&
5541 network_extralibs="-lws2_32"; } || disable winsock2_h network
5542 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
5544 check_type ws2tcpip.h socklen_t
5545 check_type ws2tcpip.h "struct addrinfo"
5546 check_type ws2tcpip.h "struct group_source_req"
5547 check_type ws2tcpip.h "struct ip_mreq_source"
5548 check_type ws2tcpip.h "struct ipv6_mreq"
5549 check_type winsock2.h "struct pollfd"
5550 check_struct winsock2.h "struct sockaddr" sa_len
5551 check_type ws2tcpip.h "struct sockaddr_in6"
5552 check_type ws2tcpip.h "struct sockaddr_storage"
5558 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
5559 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
5560 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
5561 check_builtin sarestart signal.h "SA_RESTART"
5562 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" -lpthread
5563 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
5564 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
5565 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
5566 check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR"
5568 case "$custom_allocator" in
5570 # jemalloc by default does not use a prefix
5571 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
5574 require_pkg_config libtcmalloc gperftools/tcmalloc.h tc_malloc
5579 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
5580 check_func ${malloc_prefix}memalign && enable memalign
5581 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5584 check_func_headers stdlib.h arc4random
5585 check_func_headers time.h clock_gettime ||
5586 { check_lib clock_gettime time.h clock_gettime -lrt && LIBRT="-lrt"; }
5589 check_func gethrtime
5591 check_func getrusage
5592 check_func gettimeofday
5594 check_func mach_absolute_time
5598 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5599 check_func_headers time.h nanosleep ||
5600 { check_lib nanosleep time.h nanosleep -lrt && LIBRT="-lrt"; }
5601 check_func sched_getaffinity
5602 check_func setrlimit
5603 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5604 check_func strerror_r
5609 check_func_headers conio.h kbhit
5610 check_func_headers io.h setmode
5611 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5612 check_func_headers stdlib.h getenv
5613 check_func_headers sys/stat.h lstat
5615 check_func_headers windows.h GetProcessAffinityMask
5616 check_func_headers windows.h GetProcessTimes
5617 check_func_headers windows.h GetSystemTimeAsFileTime
5618 check_func_headers windows.h LoadLibrary
5619 check_func_headers windows.h MapViewOfFile
5620 check_func_headers windows.h PeekNamedPipe
5621 check_func_headers windows.h SetConsoleTextAttribute
5622 check_func_headers windows.h SetConsoleCtrlHandler
5623 check_func_headers windows.h Sleep
5624 check_func_headers windows.h VirtualAlloc
5625 check_struct windows.h "CONDITION_VARIABLE" Ptr
5626 check_func_headers glob.h glob
5628 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5630 check_header AudioToolbox/AudioToolbox.h
5631 check_header d3d11.h
5632 check_header direct.h
5633 check_header dirent.h
5634 check_header dlfcn.h
5636 check_header dxva2api.h -D_WIN32_WINNT=0x0600
5638 check_header libcrystalhd/libcrystalhd_if.h
5639 check_header mach/mach_time.h
5640 check_header malloc.h
5641 check_header net/udplite.h
5643 check_header sys/mman.h
5644 check_header sys/param.h
5645 check_header sys/resource.h
5646 check_header sys/select.h
5647 check_header sys/time.h
5648 check_header sys/un.h
5649 check_header termios.h
5650 check_header unistd.h
5651 check_header valgrind/valgrind.h
5652 check_header VideoDecodeAcceleration/VDADecoder.h
5653 check_header VideoToolbox/VideoToolbox.h
5654 check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox
5655 enabled videotoolbox && check_func_headers CoreVideo/CVImageBuffer.h kCVImageBufferColorPrimaries_ITU_R_2020 -framework CoreVideo
5656 check_header windows.h
5657 check_header X11/extensions/XvMClib.h
5658 check_header asm/types.h
5660 # it seems there are versions of clang in some distros that try to use the
5661 # gcc headers, which explodes for stdatomic
5662 # so we also check that atomics actually work here
5663 check_builtin stdatomic_h stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0)"
5665 check_lib shell32 "windows.h shellapi.h" CommandLineToArgvW -lshell32
5666 check_lib wincrypt "windows.h wincrypt.h" CryptGenRandom -ladvapi32
5667 check_lib psapi "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5669 check_lib coreservices "CoreServices/CoreServices.h" UTGetOSTypeFromString "-framework CoreServices"
5671 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
5673 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5674 check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5675 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
5676 check_type "windows.h d3d11.h" "ID3D11VideoContext"
5677 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
5679 check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC"
5680 check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth
5681 check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"
5682 check_type "va/va.h va/va_enc_h264.h" "VAEncPictureParameterBufferH264"
5683 check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"
5684 check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"
5685 check_type "va/va.h va/va_enc_mpeg2.h" "VAEncPictureParameterBufferMPEG2"
5686 check_type "va/va.h va/va_enc_vp8.h" "VAEncPictureParameterBufferVP8"
5688 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
5690 check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt
5692 if ! disabled w32threads && ! enabled pthreads; then
5693 check_func_headers "windows.h process.h" _beginthreadex &&
5694 enable w32threads || disable w32threads
5695 if ! enabled w32threads && enabled winrt; then
5696 check_func_headers "windows.h" CreateThread &&
5697 enable w32threads || disable w32threads
5701 # check for some common methods of building with pthread support
5702 # do this before the optional library checks as some of them require pthreads
5703 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
5704 if check_lib pthreads pthread.h pthread_join -pthread &&
5705 check_lib pthreads pthread.h pthread_create -pthread; then
5707 elif check_lib pthreads pthread.h pthread_join -pthreads &&
5708 check_lib pthreads pthread.h pthread_create -pthreads; then
5709 add_cflags -pthreads
5710 elif check_lib pthreads pthread.h pthread_join -ldl -pthread &&
5711 check_lib pthreads pthread.h pthread_create -ldl -pthread; then
5712 add_cflags -ldl -pthread
5713 elif check_lib pthreads pthread.h pthread_join -lpthreadGC2 &&
5714 check_lib pthreads pthread.h pthread_create -lpthreadGC2; then
5716 elif check_lib pthreads pthread.h pthread_join -lpthread &&
5717 check_lib pthreads pthread.h pthread_create -lpthread; then
5719 elif check_func pthread_join && check_func pthread_create; then
5722 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
5726 if enabled pthreads; then
5727 check_func pthread_cancel
5731 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)"
5733 disabled zlib || check_lib zlib zlib.h zlibVersion -lz
5734 disabled bzlib || check_lib bzlib bzlib.h BZ2_bzlibVersion -lbz2
5735 disabled lzma || check_lib lzma lzma.h lzma_version_number -llzma
5737 check_lib libm math.h sin -lm && LIBM="-lm"
5738 disabled crystalhd || check_lib crystalhd "stdint.h libcrystalhd/libcrystalhd_if.h" DtsCrystalHDVersion -lcrystalhd
5746 for func in $MATH_FUNCS; do
5747 eval check_mathfunc $func \${${func}_args:-1} $LIBM
5750 for func in $COMPLEX_FUNCS; do
5751 eval check_complexfunc $func \${${func}_args:-1}
5754 # these are off by default, so fail if requested and not available
5755 enabled avfoundation_indev && { check_header_objcc AVFoundation/AVFoundation.h || disable avfoundation_indev; }
5756 enabled avfoundation_indev && { check_lib avfoundation_indev CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||
5757 check_lib avfoundation_indev ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }
5758 enabled cuda && check_header cuda.h # this is not a dependency
5759 enabled cuvid && { enabled cuda ||
5760 die "ERROR: CUVID requires CUDA"; }
5761 enabled chromaprint && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
5762 enabled coreimage_filter && { check_header_objcc QuartzCore/CoreImage.h || disable coreimage_filter; }
5763 enabled coreimagesrc_filter && { check_header_objcc QuartzCore/CoreImage.h || disable coreimagesrc_filter; }
5764 enabled decklink && { { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; } &&
5765 { check_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a060100" || die "ERROR: Decklink API version must be >= 10.6.1."; } }
5766 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
5767 enabled gmp && require gmp gmp.h mpz_export -lgmp
5768 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
5769 enabled jni && { [ $target_os = "android" ] && check_header jni.h && enabled pthreads &&
5770 check_lib jni "dlfcn.h" dlopen -ldl || die "ERROR: jni not found"; }
5771 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
5772 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
5773 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
5774 enabled libbluray && require_pkg_config libbluray libbluray/bluray.h bd_open
5775 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
5776 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
5777 { check_lib libcelt celt/celt.h celt_decoder_create_custom -lcelt0 ||
5778 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
5779 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
5780 enabled libdc1394 && require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new
5781 enabled libfdk_aac && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
5782 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
5783 warn "using libfdk without pkg-config"; } }
5784 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"
5785 enabled libflite && require libflite "flite/flite.h" flite_init $flite_extralibs
5786 enabled fontconfig && enable libfontconfig
5787 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
5788 enabled libfreetype && require_pkg_config freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType
5789 enabled libfribidi && require_pkg_config fribidi fribidi.h fribidi_version_info
5790 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
5791 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
5792 check_lib libgsm "${gsm_hdr}" gsm_create -lgsm && break;
5793 done || die "ERROR: libgsm not found"; }
5794 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
5795 enabled libkvazaar && require_pkg_config "kvazaar >= 0.8.1" kvazaar.h kvz_api_get
5796 # While it may appear that require is being used as a pkg-config
5797 # fallback for libmfx, it is actually being used to detect a different
5798 # installation route altogether. If libmfx is installed via the Intel
5799 # Media SDK or Intel Media Server Studio, these don't come with
5800 # pkg-config support. Instead, users should make sure that the build
5801 # can find the libraries and headers through other means.
5802 enabled libmfx && { use_pkg_config libmfx "mfx/mfxvideo.h" MFXInit ||
5803 { require libmfx "mfx/mfxvideo.h" MFXInit -llibmfx && warn "using libmfx without pkg-config"; } }
5804 enabled libmodplug && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load
5805 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
5806 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
5807 enabled libnpp && require libnpp npp.h nppGetLibVersion -lnppi -lnppc
5808 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
5809 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
5810 enabled libopencv && { check_header opencv2/core/core_c.h &&
5811 { use_pkg_config opencv opencv2/core/core_c.h cvCreateImageHeader ||
5812 require opencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||
5813 require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader; }
5814 enabled libopenh264 && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion
5815 enabled libopenjpeg && { { check_lib libopenjpeg openjpeg-2.1/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } ||
5816 check_lib libopenjpeg openjpeg-2.1/openjpeg.h opj_version -lopenjp2 ||
5817 { check_lib libopenjpeg openjpeg-2.0/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } ||
5818 { check_lib libopenjpeg openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } ||
5819 { check_lib libopenjpeg openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } ||
5820 die "ERROR: libopenjpeg not found"; }
5821 enabled libopenmpt && require_pkg_config "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create
5822 enabled libopus && {
5823 enabled libopus_decoder && {
5824 require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
5826 enabled libopus_encoder && {
5827 require_pkg_config opus opus_multistream.h opus_multistream_surround_encoder_create
5830 enabled libpulse && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new
5831 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
5832 enabled librubberband && require_pkg_config "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new
5833 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
5834 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
5835 enabled libsmbclient && { use_pkg_config smbclient libsmbclient.h smbc_init ||
5836 require smbclient libsmbclient.h smbc_init -lsmbclient; }
5837 enabled libsnappy && require libsnappy snappy-c.h snappy_compress -lsnappy
5838 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr && LIBSOXR="-lsoxr"
5839 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
5840 enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
5841 enabled libtesseract && require_pkg_config tesseract tesseract/capi.h TessBaseAPICreate
5842 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
5843 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
5844 { check_lib libtwolame twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
5845 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
5846 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
5847 enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
5848 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
5849 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
5852 enabled libvpx_vp8_decoder && {
5853 use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
5854 check_lib libvpx_vp8_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
5855 die "ERROR: libvpx decoder version must be >=0.9.1";
5857 enabled libvpx_vp8_encoder && {
5858 use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
5859 check_lib libvpx_vp8_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
5860 die "ERROR: libvpx encoder version must be >=0.9.7";
5862 enabled libvpx_vp9_decoder && {
5863 use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
5864 check_lib libvpx_vp9_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx
5866 enabled libvpx_vp9_encoder && {
5867 use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
5868 check_lib libvpx_vp9_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx
5870 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
5871 die "libvpx enabled but no supported decoders found"
5875 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
5876 enabled libwebp && {
5877 enabled libwebp_encoder && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
5878 enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }
5879 enabled libx264 && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||
5880 { require libx264 "stdint.h x264.h" x264_encoder_encode -lx264 &&
5881 warn "using libx264 without pkg-config"; } } &&
5882 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
5883 die "ERROR: libx264 must be installed and version must be >= 0.118."; } &&
5884 { check_cpp_condition x264.h "X264_MPEG2" &&
5886 enabled libx265 && require_pkg_config x265 x265.h x265_api_get &&
5887 { check_cpp_condition x265.h "X265_BUILD >= 68" ||
5888 die "ERROR: libx265 version must be >= 68."; }
5889 enabled libxavs && require libxavs "stdint.h xavs.h" xavs_encoder_encode -lxavs
5890 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
5891 enabled libzimg && require_pkg_config "zimg >= 2.3.0" zimg.h zimg_get_api_version
5892 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
5893 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi &&
5894 { check_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||
5895 enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }
5896 enabled mediacodec && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }
5897 enabled mmal && { check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
5898 { ! enabled cross_compile &&
5899 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline &&
5900 add_ldflags -L/opt/vc/lib/ &&
5901 check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host; } ||
5902 die "ERROR: mmal not found" &&
5903 check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"; }
5904 enabled netcdf && require_pkg_config netcdf netcdf.h nc_inq_libvers
5905 enabled openal && { { for al_extralibs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
5906 check_lib openal 'AL/al.h' alGetError "${al_extralibs}" && break; done } ||
5907 die "ERROR: openal not found"; } &&
5908 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
5909 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
5910 enabled opencl && { check_lib opencl OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
5911 check_lib opencl CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
5912 die "ERROR: opencl not found"; } &&
5913 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
5914 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
5915 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
5916 enabled opengl && { check_lib opengl GL/glx.h glXGetProcAddress "-lGL" ||
5917 check_lib opengl windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
5918 check_lib opengl OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
5919 check_lib opengl ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
5920 die "ERROR: opengl not found."
5922 enabled omx_rpi && { check_header OMX_Core.h ||
5923 { ! enabled cross_compile && add_cflags -isystem/opt/vc/include/IL && check_header OMX_Core.h ; } ||
5924 die "ERROR: OpenMAX IL headers not found"; }
5925 enabled omx && { check_header OMX_Core.h || die "ERROR: OpenMAX IL headers not found"; }
5926 enabled openssl && { use_pkg_config openssl openssl/ssl.h OPENSSL_init_ssl ||
5927 use_pkg_config openssl openssl/ssl.h SSL_library_init ||
5928 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto ||
5929 check_lib openssl openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
5930 check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
5931 die "ERROR: openssl not found"; }
5932 enabled qtkit_indev && { check_header_objcc QTKit/QTKit.h || disable qtkit_indev; }
5934 if enabled gcrypt; then
5935 GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"
5936 if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then
5937 gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)
5938 gcrypt_extralibs=$("${GCRYPT_CONFIG}" --libs)
5939 check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_extralibs ||
5940 die "ERROR: gcrypt not found"
5941 add_cflags $gcrypt_cflags && add_extralibs $gcrypt_extralibs
5943 require gcrypt gcrypt.h gcry_mpi_new -lgcrypt
5947 disabled sdl && disable sdl2
5948 if ! disabled sdl2; then
5949 SDL2_CONFIG="${cross_prefix}sdl2-config"
5950 if check_pkg_config sdl2 SDL_events.h SDL_PollEvent; then
5951 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&
5952 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&
5953 check_func SDL_Init $sdl2_extralibs $sdl2_cflags && enable sdl2
5955 if "${SDL2_CONFIG}" --version > /dev/null 2>&1; then
5956 sdl2_cflags=$("${SDL2_CONFIG}" --cflags)
5957 sdl2_extralibs=$("${SDL2_CONFIG}" --libs)
5958 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&
5959 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&
5960 check_func SDL_Init $sdl2_extralibs $sdl2_cflags && enable sdl2
5963 if test $target_os = "mingw32"; then
5964 sdl2_extralibs="$sdl2_extralibs -mconsole"
5967 enabled sdl2 && enable sdl && add_cflags $sdl2_cflags && add_extralibs $sdl2_extralibs
5969 if enabled decklink; then
5971 mingw32*|mingw64*|win32|win64)
5972 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
5973 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
5978 disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5979 check_lib securetransport "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security"; }
5981 disabled schannel || { check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&
5982 check_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" && enable schannel && add_extralibs -lsecur32; }
5984 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
5986 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
5987 && enable makeinfo_html || disable makeinfo_html
5988 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
5989 perl -v > /dev/null 2>&1 && enable perl || disable perl
5990 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
5991 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
5993 check_header linux/fb.h
5994 check_header linux/videodev.h
5995 check_header linux/videodev2.h
5996 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5998 check_header sys/videoio.h
5999 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
6001 check_lib user32 "windows.h winuser.h" GetShellWindow -luser32
6002 check_lib vfw32 "windows.h vfw.h" capCreateCaptureWindow -lvfw32
6003 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
6004 # w32api 3.12 had it defined wrong
6005 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
6007 check_type "dshow.h" IBaseFilter
6009 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
6010 { check_header dev/bktr/ioctl_meteor.h &&
6011 check_header dev/bktr/ioctl_bt848.h; } ||
6012 { check_header machine/ioctl_meteor.h &&
6013 check_header machine/ioctl_bt848.h; } ||
6014 { check_header dev/video/meteor/ioctl_meteor.h &&
6015 check_header dev/video/bktr/ioctl_bt848.h; } ||
6016 check_header dev/ic/bt8xx.h
6018 if check_struct sys/soundcard.h audio_buf_info bytes; then
6019 enable_safe sys/soundcard.h
6021 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
6022 #include <sys/soundcard.h>
6026 check_header soundcard.h
6028 enabled_any alsa_indev alsa_outdev &&
6029 check_lib alsa alsa/asoundlib.h snd_pcm_htimestamp -lasound
6031 enabled jack_indev && check_lib jack jack/jack.h jack_client_open -ljack &&
6032 check_func jack_port_get_latency_range -ljack
6034 enabled_any sndio_indev sndio_outdev && check_lib sndio sndio.h sio_open -lsndio
6036 if enabled libcdio; then
6037 check_lib libcdio "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6038 check_lib libcdio "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
6039 die "ERROR: No usable libcdio/cdparanoia found"
6042 if ! disabled libxcb; then
6043 check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {
6044 enabled libxcb && die "ERROR: libxcb >= 1.4 not found";
6047 if enabled libxcb; then
6048 disabled libxcb_shm || {
6049 check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {
6050 enabled libxcb_shm && die "ERROR: libxcb_shm not found";
6051 } && check_header sys/shm.h && enable libxcb_shm; }
6053 disabled libxcb_xfixes || {
6054 check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {
6055 enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";
6056 } && enable libxcb_xfixes; }
6058 disabled libxcb_shape || {
6059 check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {
6060 enabled libxcb_shape && die "ERROR: libxcb_shape not found";
6061 } && enable libxcb_shape; }
6063 add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags
6064 add_extralibs $xcb_extralibs $xcb_shm_extralibs $xcb_xfixes_extralibs $xcb_shape_extralibs
6068 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
6070 enabled dxva2api_h &&
6071 check_cc <<EOF && enable dxva2api_cobj
6072 #define _WIN32_WINNT 0x0600
6074 #include <windows.h>
6076 #include <dxva2api.h>
6077 int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }
6081 check_lib dxva2_lib windows.h CoTaskMemFree -lole32
6084 check_lib vaapi va/va.h vaInitialize -lva
6087 check_code cc "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)" ||
6091 check_lib vaapi_drm "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm
6094 check_lib vaapi_x11 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 -lX11
6097 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
6101 check_lib vdpau_x11 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau -lX11
6103 if enabled x86; then
6105 mingw32*|mingw64*|win32|win64|linux|cygwin*)
6108 disable cuda cuvid nvenc
6112 disable cuda cuvid nvenc
6116 check_cc -I$source_path <<EOF || disable nvenc
6117 #include "compat/nvenc/nvEncodeAPI.h"
6118 NV_ENCODE_API_FUNCTION_LIST flist;
6119 void f(void) { struct { const GUID guid; } s[] = { { NV_ENC_PRESET_HQ_GUID } }; }
6120 int main(void) { return 0; }
6123 # Funny iconv installations are not unusual, so check it after all flags have been set
6124 disabled iconv || check_func_headers iconv.h iconv || check_lib iconv iconv.h iconv -liconv
6126 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
6128 # add some useful compiler flags if supported
6129 check_cflags -Wdeclaration-after-statement
6131 check_cflags -Wdisabled-optimization
6132 check_cflags -Wpointer-arith
6133 check_cflags -Wredundant-decls
6134 check_cflags -Wwrite-strings
6135 check_cflags -Wtype-limits
6136 check_cflags -Wundef
6137 check_cflags -Wmissing-prototypes
6138 check_cflags -Wno-pointer-to-int-cast
6139 check_cflags -Wstrict-prototypes
6140 check_cflags -Wempty-body
6142 if enabled extra_warnings; then
6143 check_cflags -Wcast-qual
6144 check_cflags -Wextra
6145 check_cflags -Wpedantic
6148 check_disable_warning(){
6149 warning_flag=-W${1#-Wno-}
6150 test_cflags $warning_flag && add_cflags $1
6153 check_disable_warning -Wno-parentheses
6154 check_disable_warning -Wno-switch
6155 check_disable_warning -Wno-format-zero-length
6156 check_disable_warning -Wno-pointer-sign
6157 check_disable_warning -Wno-unused-const-variable
6159 check_disable_warning_headers(){
6160 warning_flag=-W${1#-Wno-}
6161 test_cflags $warning_flag && add_cflags_headers $1
6164 check_disable_warning_headers -Wno-deprecated-declarations
6165 check_disable_warning_headers -Wno-unused-variable
6167 # add some linker flags
6168 check_ldflags -Wl,--warn-common
6169 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
6170 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir
6171 enabled rpath && add_ldlibflags -Wl,-rpath,$libdir
6172 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
6174 # add some strip flags
6175 # -wN '..@*' is more selective than -x, but not available everywhere.
6176 check_stripflags -wN \'..@*\' || check_stripflags -x
6178 enabled neon_clobber_test &&
6179 check_ldflags -Wl,--wrap,avcodec_open2 \
6180 -Wl,--wrap,avcodec_decode_audio4 \
6181 -Wl,--wrap,avcodec_decode_video2 \
6182 -Wl,--wrap,avcodec_decode_subtitle2 \
6183 -Wl,--wrap,avcodec_encode_audio2 \
6184 -Wl,--wrap,avcodec_encode_video2 \
6185 -Wl,--wrap,avcodec_encode_subtitle \
6186 -Wl,--wrap,avcodec_send_packet \
6187 -Wl,--wrap,avcodec_receive_packet \
6188 -Wl,--wrap,avcodec_send_frame \
6189 -Wl,--wrap,avcodec_receive_frame \
6190 -Wl,--wrap,swr_convert \
6191 -Wl,--wrap,avresample_convert ||
6192 disable neon_clobber_test
6194 enabled xmm_clobber_test &&
6195 check_ldflags -Wl,--wrap,avcodec_open2 \
6196 -Wl,--wrap,avcodec_decode_audio4 \
6197 -Wl,--wrap,avcodec_decode_video2 \
6198 -Wl,--wrap,avcodec_decode_subtitle2 \
6199 -Wl,--wrap,avcodec_encode_audio2 \
6200 -Wl,--wrap,avcodec_encode_video2 \
6201 -Wl,--wrap,avcodec_encode_subtitle \
6202 -Wl,--wrap,avcodec_send_packet \
6203 -Wl,--wrap,avcodec_receive_packet \
6204 -Wl,--wrap,avcodec_send_frame \
6205 -Wl,--wrap,avcodec_receive_frame \
6206 -Wl,--wrap,swr_convert \
6207 -Wl,--wrap,avresample_convert \
6208 -Wl,--wrap,sws_scale ||
6209 disable xmm_clobber_test
6211 check_ld "cc" <<EOF && enable proper_dce
6212 extern const int array[512];
6213 static inline int func(void) { return array[0]; }
6214 int main(void) { return 0; }
6217 if enabled proper_dce; then
6218 echo "X { local: *; };" > $TMPV
6219 if test_ldflags -Wl,${version_script},$TMPV; then
6220 append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver'
6221 check_cc <<EOF && enable symver_asm_label
6222 void ff_foo(void) __asm__ ("av_foo@VERSION");
6223 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
6225 check_cc <<EOF && enable symver_gnu_asm
6226 __asm__(".symver ff_foo,av_foo@VERSION");
6227 void ff_foo(void) {}
6232 if [ -z "$optflags" ]; then
6233 if enabled small; then
6234 optflags=$cflags_size
6235 elif enabled optimizations; then
6236 optflags=$cflags_speed
6238 optflags=$cflags_noopt
6244 enabled lto && check_ldflags "$@"
6248 if enabled lto; then
6249 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
6251 check_ldflags -flto $cpuflags
6252 disable inline_asm_direct_symbol_refs
6255 check_optflags $optflags
6256 check_optflags -fno-math-errno
6257 check_optflags -fno-signed-zeros
6259 enabled ftrapv && check_cflags -ftrapv
6261 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
6266 if enabled icc; then
6267 # Just warnings, no remarks
6269 # -wd: Disable following warnings
6270 # 144, 167, 556: -Wno-pointer-sign
6271 # 188: enumerated type mixed with another type
6272 # 1292: attribute "foo" ignored
6273 # 1419: external declaration in primary source file
6274 # 10006: ignoring unknown option -fno-signed-zeros
6275 # 10148: ignoring unknown option -Wno-parentheses
6276 # 10156: ignoring option '-W'; no argument required
6277 # 13200: No EMMS instruction before call to function
6278 # 13203: No EMMS instruction before return from function
6279 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
6280 # 11030: Warning unknown option --as-needed
6281 # 10156: ignoring option '-export'; no argument required
6282 check_ldflags -wd10156,11030
6283 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
6284 enable ebp_available
6285 # The test above does not test linking
6286 enabled lto && disable symver_asm_label
6287 if enabled x86_32; then
6288 icc_version=$($cc -dumpversion)
6289 test ${icc_version%%.*} -ge 11 &&
6290 check_cflags -falign-stack=maintain-16-byte ||
6291 disable aligned_stack
6293 elif enabled ccc; then
6294 # disable some annoying warnings
6295 add_cflags -msg_disable bitnotint
6296 add_cflags -msg_disable mixfuncvoid
6297 add_cflags -msg_disable nonstandcast
6298 add_cflags -msg_disable unsupieee
6299 elif enabled gcc; then
6300 check_optflags -fno-tree-vectorize
6301 check_cflags -Werror=format-security
6302 check_cflags -Werror=implicit-function-declaration
6303 check_cflags -Werror=missing-prototypes
6304 check_cflags -Werror=return-type
6305 check_cflags -Werror=vla
6306 check_cflags -Wformat
6307 check_cflags -fdiagnostics-color=auto
6308 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
6309 elif enabled llvm_gcc; then
6310 check_cflags -mllvm -stack-alignment=16
6311 elif enabled clang; then
6312 check_cflags -mllvm -stack-alignment=16
6313 check_cflags -mstack-alignment=16
6314 check_cflags -Qunused-arguments
6315 check_cflags -Werror=implicit-function-declaration
6316 check_cflags -Werror=missing-prototypes
6317 check_cflags -Werror=return-type
6318 elif enabled cparser; then
6319 add_cflags -Wno-missing-variable-declarations
6320 add_cflags -Wno-empty-statement
6321 elif enabled armcc; then
6322 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
6323 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
6324 # 2523: use of inline assembly is deprecated
6325 add_cflags -W${armcc_opt},--diag_suppress=2523
6326 add_cflags -W${armcc_opt},--diag_suppress=1207
6327 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
6328 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
6329 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
6330 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
6331 elif enabled tms470; then
6332 add_cflags -pds=824 -pds=837
6334 elif enabled pathscale; then
6335 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
6336 elif enabled_any msvc icl; then
6337 enabled x86_32 && disable aligned_stack
6338 enabled_all x86_32 debug && add_cflags -Oy-
6339 enabled debug && add_ldflags -debug
6340 enable pragma_deprecated
6341 if enabled icl; then
6342 # -Qansi-alias is basically -fstrict-aliasing, but does not work
6343 # (correctly) on icl 13.x.
6344 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
6345 add_cflags -Qansi-alias
6346 # Some inline asm is not compilable in debug
6347 if enabled debug; then
6348 disable ebp_available
6349 disable ebx_available
6352 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
6353 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
6354 # The CRT headers contain __declspec(restrict) in a few places, but if redefining
6355 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
6356 # (as it ends up if the restrict redefine is done before including stdlib.h), while
6357 # MSVC 2013 and newer can handle it fine.
6358 # If this declspec fails, force including stdlib.h before the restrict redefinition
6359 # happens in config.h.
6360 if [ $_restrict != restrict ]; then
6361 check_cc <<EOF || add_cflags -FIstdlib.h
6362 __declspec($_restrict) void* foo(int);
6365 # the new SSA optimzer in VS2015 U3 is mis-optimizing some parts of the code
6366 # Issue has been fixed in MSVC v19.00.24218.
6367 check_cpp_condition windows.h "_MSC_FULL_VER >= 190024218" ||
6368 check_cflags -d2SSAOptimizer-
6369 # enable utf-8 source processing on VS2015 U2 and newer
6370 check_cpp_condition windows.h "_MSC_FULL_VER >= 190023918" &&
6374 for pfx in "" host_; do
6375 varname=${pfx%_}cc_type
6376 eval "type=\$$varname"
6377 if [ $type = "msvc" ]; then
6378 check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline
6379 static inline int foo(int a) { return a; }
6386 add_asflags -Qunused-arguments
6392 check_ldflags -Qunused-arguments
6398 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
6402 enable frame_thread_encoder
6404 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
6406 check_deps $CONFIG_LIST \
6411 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"
6414 if test $target_os = "haiku"; then
6416 disable posix_memalign
6420 # -> enable ${lib}_deps_${dep}
6421 # -> add $dep to ${lib}_deps only once
6425 enabled "${lib}_deps_${dep}" && return 0
6426 enable "${lib}_deps_${dep}"
6427 prepend "${lib}_deps" $dep
6430 # merge deps lib components
6431 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
6436 enabled $comp || continue
6437 eval "dep=\"\$${comp}_deps\""
6444 merge_deps libavfilter $FILTER_LIST
6446 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
6448 for thread in $THREADS_LIST; do
6449 if enabled $thread; then
6450 test -n "$thread_type" &&
6451 die "ERROR: Only one thread type must be selected." ||
6452 thread_type="$thread"
6456 if disabled stdatomic_h; then
6457 if enabled atomics_gcc; then
6458 add_cppflags '-I\$(SRC_PATH)/compat/atomics/gcc'
6459 elif enabled atomics_win32; then
6460 add_cppflags '-I\$(SRC_PATH)/compat/atomics/win32'
6461 elif enabled atomics_suncc; then
6462 add_cppflags '-I\$(SRC_PATH)/compat/atomics/suncc'
6463 elif enabled pthreads; then
6464 add_compat atomics/pthread/stdatomic.o
6465 add_cppflags '-I\$(SRC_PATH)/compat/atomics/pthread'
6467 enabled threads && die "Threading is enabled, but no atomics are available"
6468 add_cppflags '-I\$(SRC_PATH)/compat/atomics/dummy'
6472 # Check if requested libraries were found.
6473 for lib in $AUTODETECT_LIBS; do
6474 requested $lib && ! enabled $lib && die "ERROR: $lib requested but not found";
6477 enabled zlib && add_cppflags -DZLIB_CONST
6479 # conditional library dependencies, in linking order
6480 enabled afftfilt_filter && prepend avfilter_deps "avcodec"
6481 enabled afir_filter && prepend avfilter_deps "avcodec"
6482 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
6483 enabled aresample_filter && prepend avfilter_deps "swresample"
6484 enabled atempo_filter && prepend avfilter_deps "avcodec"
6485 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
6486 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
6487 enabled elbg_filter && prepend avfilter_deps "avcodec"
6488 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
6489 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
6490 enabled firequalizer_filter && prepend avfilter_deps "avcodec"
6491 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
6492 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
6493 enabled pan_filter && prepend avfilter_deps "swresample"
6494 enabled pp_filter && prepend avfilter_deps "postproc"
6495 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
6496 enabled resample_filter && prepend avfilter_deps "avresample"
6497 enabled sab_filter && prepend avfilter_deps "swscale"
6498 enabled scale_filter && prepend avfilter_deps "swscale"
6499 enabled scale2ref_filter && prepend avfilter_deps "swscale"
6500 enabled sofalizer_filter && prepend avfilter_deps "avcodec"
6501 enabled showcqt_filter && prepend avfilter_deps "avformat avcodec swscale"
6502 enabled showfreqs_filter && prepend avfilter_deps "avcodec"
6503 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
6504 enabled signature_filter && prepend avfilter_deps "avcodec avformat"
6505 enabled smartblur_filter && prepend avfilter_deps "swscale"
6506 enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"
6507 enabled spp_filter && prepend avfilter_deps "avcodec"
6508 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
6509 enabled uspp_filter && prepend avfilter_deps "avcodec"
6510 enabled zoompan_filter && prepend avfilter_deps "swscale"
6512 enabled lavfi_indev && prepend avdevice_deps "avfilter"
6514 enabled opus_decoder && prepend avcodec_deps "swresample"
6518 eval "deps=\$$lib_deps"
6519 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
6523 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
6524 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
6526 map 'expand_deps $v' $LIBRARY_LIST
6528 license="LGPL version 2.1 or later"
6529 if enabled nonfree; then
6530 license="nonfree and unredistributable"
6531 elif enabled gplv3; then
6532 license="GPL version 3 or later"
6533 elif enabled lgplv3; then
6534 license="LGPL version 3 or later"
6535 elif enabled gpl; then
6536 license="GPL version 2 or later"
6539 if test "$quiet" != "yes"; then
6541 echo "install prefix $prefix"
6542 echo "source path $source_path"
6543 echo "C compiler $cc"
6544 echo "C library $libc_type"
6545 if test "$host_cc" != "$cc"; then
6546 echo "host C compiler $host_cc"
6547 echo "host C library $host_libc_type"
6549 echo "ARCH $arch ($cpu)"
6550 if test "$build_suffix" != ""; then
6551 echo "build suffix $build_suffix"
6553 if test "$progs_suffix" != ""; then
6554 echo "progs suffix $progs_suffix"
6556 if test "$extra_version" != ""; then
6557 echo "version string suffix $extra_version"
6559 echo "big-endian ${bigendian-no}"
6560 echo "runtime cpu detection ${runtime_cpudetect-no}"
6561 if enabled x86; then
6562 echo "${yasmexe} ${yasm-no}"
6563 echo "MMX enabled ${mmx-no}"
6564 echo "MMXEXT enabled ${mmxext-no}"
6565 echo "3DNow! enabled ${amd3dnow-no}"
6566 echo "3DNow! extended enabled ${amd3dnowext-no}"
6567 echo "SSE enabled ${sse-no}"
6568 echo "SSSE3 enabled ${ssse3-no}"
6569 echo "AESNI enabled ${aesni-no}"
6570 echo "AVX enabled ${avx-no}"
6571 echo "XOP enabled ${xop-no}"
6572 echo "FMA3 enabled ${fma3-no}"
6573 echo "FMA4 enabled ${fma4-no}"
6574 echo "i686 features enabled ${i686-no}"
6575 echo "CMOV is fast ${fast_cmov-no}"
6576 echo "EBX available ${ebx_available-no}"
6577 echo "EBP available ${ebp_available-no}"
6579 if enabled aarch64; then
6580 echo "NEON enabled ${neon-no}"
6581 echo "VFP enabled ${vfp-no}"
6583 if enabled arm; then
6584 echo "ARMv5TE enabled ${armv5te-no}"
6585 echo "ARMv6 enabled ${armv6-no}"
6586 echo "ARMv6T2 enabled ${armv6t2-no}"
6587 echo "VFP enabled ${vfp-no}"
6588 echo "NEON enabled ${neon-no}"
6589 echo "THUMB enabled ${thumb-no}"
6591 if enabled mips; then
6592 echo "MIPS FPU enabled ${mipsfpu-no}"
6593 echo "MIPS DSP R1 enabled ${mipsdsp-no}"
6594 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
6595 echo "MIPS MSA enabled ${msa-no}"
6596 echo "LOONGSON MMI enabled ${mmi-no}"
6598 if enabled ppc; then
6599 echo "AltiVec enabled ${altivec-no}"
6600 echo "VSX enabled ${vsx-no}"
6601 echo "POWER8 enabled ${power8-no}"
6602 echo "PPC 4xx optimizations ${ppc4xx-no}"
6603 echo "dcbzl available ${dcbzl-no}"
6605 echo "debug symbols ${debug-no}"
6606 echo "strip symbols ${stripping-no}"
6607 echo "optimize for size ${small-no}"
6608 echo "optimizations ${optimizations-no}"
6609 echo "static ${static-no}"
6610 echo "shared ${shared-no}"
6611 echo "postprocessing support ${postproc-no}"
6612 echo "network support ${network-no}"
6613 echo "threading support ${thread_type-no}"
6614 echo "safe bitstream reader ${safe_bitstream_reader-no}"
6615 echo "texi2html enabled ${texi2html-no}"
6616 echo "perl enabled ${perl-no}"
6617 echo "pod2man enabled ${pod2man-no}"
6618 echo "makeinfo enabled ${makeinfo-no}"
6619 echo "makeinfo supports HTML ${makeinfo_html-no}"
6620 test -n "$random_seed" &&
6621 echo "random seed ${random_seed}"
6624 echo "External libraries:"
6625 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_in_columns
6628 echo "External libraries providing hardware acceleration:"
6629 print_enabled '' $HWACCEL_LIBRARY_LIST | print_in_columns
6633 print_enabled '' $LIBRARY_LIST | print_in_columns
6637 print_enabled '' $PROGRAM_LIST | print_in_columns
6640 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
6641 echo "Enabled ${type}s:"
6642 eval list=\$$(toupper $type)_LIST
6643 print_enabled '_*' $list | print_in_columns
6647 if test -n "$ignore_tests"; then
6648 ignore_tests=$(echo $ignore_tests | tr ',' ' ')
6649 echo "Ignored FATE tests:"
6650 echo $ignore_tests | print_in_columns
6654 echo "License: $license"
6656 echo "Creating configuration files ..."
6658 fi # test "$quiet" != "yes"
6660 test -e Makefile || echo "include $source_path/Makefile" > Makefile
6662 enabled stripping || strip="echo skipping strip"
6664 config_files="$TMPH ffbuild/config.mak doc/config.texi"
6666 cat > ffbuild/config.mak <<EOF
6667 # Automatically generated by configure - do not modify!
6668 ifndef FFMPEG_CONFIG_MAK
6670 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
6672 LIBDIR=\$(DESTDIR)$libdir
6673 SHLIBDIR=\$(DESTDIR)$shlibdir
6674 INCDIR=\$(DESTDIR)$incdir
6675 BINDIR=\$(DESTDIR)$bindir
6676 DATADIR=\$(DESTDIR)$datadir
6677 DOCDIR=\$(DESTDIR)$docdir
6678 MANDIR=\$(DESTDIR)$mandir
6679 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
6680 INSTALL_NAME_DIR=$install_name_dir
6681 SRC_PATH=$source_path
6682 SRC_LINK=$source_link
6683 ifndef MAIN_MAKEFILE
6684 SRC_PATH:=\$(SRC_PATH:.%=..%)
6688 INTRINSICS=$intrinsics
6695 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
6697 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
6710 OBJCFLAGS=$OBJCFLAGS
6730 LDEXEFLAGS=$LDEXEFLAGS
6731 LDLIBFLAGS=$LDLIBFLAGS
6732 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
6733 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
6734 YASMFLAGS=$YASMFLAGS
6735 BUILDSUF=$build_suffix
6736 PROGSSUF=$progs_suffix
6744 EXTRA_VERSION=$extra_version
6747 CCDEP_FLAGS=$CCDEP_FLAGS
6749 ASDEP_FLAGS=$ASDEP_FLAGS
6750 CC_DEPFLAGS=$CC_DEPFLAGS
6751 AS_DEPFLAGS=$AS_DEPFLAGS
6754 HOSTCFLAGS=$host_cflags
6755 HOSTCPPFLAGS=$host_cppflags
6756 HOSTEXESUF=$HOSTEXESUF
6757 HOSTLDFLAGS=$host_ldflags
6758 HOSTEXTRALIBS=$host_extralibs
6760 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
6761 HOSTCCDEP=$HOSTCCDEP
6762 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
6763 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
6767 TARGET_EXEC=$target_exec $target_exec_args
6768 TARGET_PATH=$target_path
6769 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
6770 CFLAGS-ffplay=${sdl2_cflags}
6771 CFLAGS_HEADERS=$CFLAGS_HEADERS
6772 ZLIB=$($ldflags_filter -lz)
6773 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
6774 EXTRALIBS=$extralibs
6775 COMPAT_OBJS=$compat_objs
6777 LIBTARGET=${LIBTARGET}
6778 SLIBNAME=${SLIBNAME}
6779 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
6780 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
6781 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
6782 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
6783 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
6784 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
6785 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
6786 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
6787 VERSION_SCRIPT_POSTPROCESS_CMD=${VERSION_SCRIPT_POSTPROCESS_CMD}
6788 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
6789 NOREDZONE_FLAGS=$noredzone_flags
6790 LIBFUZZER_PATH=$libfuzzer_path
6791 IGNORE_TESTS=$ignore_tests
6794 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> ffbuild/config.mak' $LIBRARY_LIST
6796 print_program_extralibs(){
6797 eval "program_extralibs=\$${1}_extralibs"
6798 eval echo "EXTRALIBS-${1}=${program_extralibs}" >> ffbuild/config.mak
6801 map 'print_program_extralibs $v' $PROGRAM_LIST
6804 /* Automatically generated by configure - do not modify! */
6805 #ifndef FFMPEG_CONFIG_H
6806 #define FFMPEG_CONFIG_H
6807 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
6808 #define FFMPEG_LICENSE "$(c_escape $license)"
6809 #define CONFIG_THIS_YEAR 2017
6810 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
6811 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
6812 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
6813 #define av_restrict $_restrict
6814 #define EXTERN_PREFIX "${extern_prefix}"
6815 #define EXTERN_ASM ${extern_prefix}
6816 #define BUILDSUF "$build_suffix"
6817 #define SLIBSUF "$SLIBSUF"
6818 #define HAVE_MMX2 HAVE_MMXEXT
6819 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
6822 test -n "$assert_level" &&
6823 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
6825 test -n "$malloc_prefix" &&
6826 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
6828 if enabled yasm; then
6829 append config_files $TMPASM
6833 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
6839 echo "@c auto-generated by configure - do not modify! " > doc/config.texi
6841 print_config ARCH_ "$config_files" $ARCH_LIST
6842 print_config HAVE_ "$config_files" $HAVE_LIST
6843 print_config CONFIG_ "$config_files" $CONFIG_LIST \
6847 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
6848 echo "endif # FFMPEG_CONFIG_MAK" >> ffbuild/config.mak
6850 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
6851 cp_if_changed $TMPH config.h
6852 touch ffbuild/.config
6854 enabled yasm && cp_if_changed $TMPASM config.asm
6857 /* Generated by ffconf */
6858 #ifndef AVUTIL_AVCONFIG_H
6859 #define AVUTIL_AVCONFIG_H
6862 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
6864 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
6866 cp_if_changed $TMPH libavutil/avconfig.h
6868 # generate the lists of enabled components
6869 print_enabled_components(){
6874 echo "static const $struct_name *$name[] = {" > $TMPH
6876 enabled $c && printf " &ff_%s,\n" $c >> $TMPH
6878 echo " NULL };" >> $TMPH
6879 cp_if_changed $TMPH $file
6882 print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST
6883 print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST
6885 if test -n "$WARNINGS"; then
6886 printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"
6887 enabled fatal_warnings && exit 1
6890 # Settings for pkg-config files
6892 cat > ffbuild/config.sh <<EOF
6893 # Automatically generated by configure - do not modify!
6895 build_suffix=$build_suffix
6899 rpath=$(enabled rpath && echo "-Wl,-rpath,\${libdir}")
6900 source_path=${source_path}
6904 extralibs_avutil="$LIBRT $LIBM"
6905 extralibs_avcodec="$extralibs"
6906 extralibs_avformat="$extralibs"
6907 extralibs_avdevice="$extralibs"
6908 extralibs_avfilter="$extralibs"
6909 extralibs_avresample="$LIBM"
6910 extralibs_postproc=""
6911 extralibs_swscale="$LIBM"
6912 extralibs_swresample="$LIBM $LIBSOXR"
6915 for lib in $LIBRARY_LIST; do
6916 lib_deps="$(eval echo \$${lib}_deps)"
6917 echo ${lib}_deps=\"$lib_deps\" >> ffbuild/config.sh