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:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --fatal-warnings fail if any configure warning is generated
82 --prefix=PREFIX install in PREFIX [$prefix]
83 --bindir=DIR install binaries in DIR [PREFIX/bin]
84 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
85 --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg]
86 --libdir=DIR install libs in DIR [PREFIX/lib]
87 --shlibdir=DIR install shared libs in DIR [LIBDIR]
88 --incdir=DIR install includes in DIR [PREFIX/include]
89 --mandir=DIR install man page in DIR [PREFIX/share/man]
90 --pkgconfigdir=DIR install pkg-config files in DIR [LIBDIR/pkgconfig]
91 --enable-rpath use rpath to allow installing libraries in paths
92 not part of the dynamic linker search path
93 use rpath when linking programs [USE WITH CARE]
94 --install-name-dir=DIR Darwin directory name for installed targets
97 --enable-gpl allow use of GPL code, the resulting libs
98 and binaries will be under GPL [no]
99 --enable-version3 upgrade (L)GPL to version 3 [no]
100 --enable-nonfree allow use of nonfree code, the resulting libs
101 and binaries will be unredistributable [no]
103 Configuration options:
104 --disable-static do not build static libraries [no]
105 --enable-shared build shared libraries [no]
106 --enable-small optimize for size instead of speed
107 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
108 --enable-gray enable full grayscale support (slower color)
109 --disable-swscale-alpha disable alpha channel support in swscale
110 --disable-all disable building components, libraries and programs
111 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
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 Hardware accelerators:
153 --disable-d3d11va disable D3D11VA code [autodetect]
154 --disable-dxva2 disable DXVA2 code [autodetect]
155 --disable-vaapi disable VAAPI code [autodetect]
156 --disable-vda disable VDA code [autodetect]
157 --disable-vdpau disable VDPAU code [autodetect]
159 Individual component options:
160 --disable-everything disable all components listed below
161 --disable-encoder=NAME disable encoder NAME
162 --enable-encoder=NAME enable encoder NAME
163 --disable-encoders disable all encoders
164 --disable-decoder=NAME disable decoder NAME
165 --enable-decoder=NAME enable decoder NAME
166 --disable-decoders disable all decoders
167 --disable-hwaccel=NAME disable hwaccel NAME
168 --enable-hwaccel=NAME enable hwaccel NAME
169 --disable-hwaccels disable all hwaccels
170 --disable-muxer=NAME disable muxer NAME
171 --enable-muxer=NAME enable muxer NAME
172 --disable-muxers disable all muxers
173 --disable-demuxer=NAME disable demuxer NAME
174 --enable-demuxer=NAME enable demuxer NAME
175 --disable-demuxers disable all demuxers
176 --enable-parser=NAME enable parser NAME
177 --disable-parser=NAME disable parser NAME
178 --disable-parsers disable all parsers
179 --enable-bsf=NAME enable bitstream filter NAME
180 --disable-bsf=NAME disable bitstream filter NAME
181 --disable-bsfs disable all bitstream filters
182 --enable-protocol=NAME enable protocol NAME
183 --disable-protocol=NAME disable protocol NAME
184 --disable-protocols disable all protocols
185 --enable-indev=NAME enable input device NAME
186 --disable-indev=NAME disable input device NAME
187 --disable-indevs disable input devices
188 --enable-outdev=NAME enable output device NAME
189 --disable-outdev=NAME disable output device NAME
190 --disable-outdevs disable output devices
191 --disable-devices disable all devices
192 --enable-filter=NAME enable filter NAME
193 --disable-filter=NAME disable filter NAME
194 --disable-filters disable all filters
196 External library support:
197 --disable-audiotoolbox enable AudioToolbox decoders and encoders [autodetect]
198 --enable-avisynth enable reading of AviSynth script files [no]
199 --disable-bzlib disable bzlib [autodetect]
200 --enable-cuda enable dynamically linked CUDA [no]
201 --enable-chromaprint enable audio fingerprinting with chromaprint [no]
202 --enable-fontconfig enable fontconfig, useful for drawtext filter [no]
203 --enable-frei0r enable frei0r video filtering [no]
204 --enable-gcrypt enable gcrypt, needed for rtmp(t)e support
205 if openssl, librtmp or gmp is not used [no]
206 --enable-gmp enable gmp, needed for rtmp(t)e support
207 if openssl or librtmp is not used [no]
208 --enable-gnutls enable gnutls, needed for https support
209 if openssl is not used [no]
210 --disable-iconv disable iconv [autodetect]
211 --enable-jni enable JNI support [no]
212 --enable-ladspa enable LADSPA audio filtering [no]
213 --enable-libass enable libass subtitles rendering,
214 needed for subtitles and ass filter [no]
215 --enable-libbluray enable BluRay reading using libbluray [no]
216 --enable-libbs2b enable bs2b DSP library [no]
217 --enable-libcaca enable textual display using libcaca [no]
218 --enable-libcelt enable CELT decoding via libcelt [no]
219 --enable-libcdio enable audio CD grabbing with libcdio [no]
220 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
222 --enable-libfaac enable AAC encoding via libfaac [no]
223 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
224 --enable-libflite enable flite (voice synthesis) support via libflite [no]
225 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
226 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
227 --enable-libgme enable Game Music Emu via libgme [no]
228 --enable-libgsm enable GSM de/encoding via libgsm [no]
229 --enable-libiec61883 enable iec61883 via libiec61883 [no]
230 --enable-libilbc enable iLBC de/encoding via libilbc [no]
231 --enable-libkvazaar enable HEVC encoding via libkvazaar [no]
232 --enable-libmfx enable HW acceleration through libmfx
233 --enable-libmodplug enable ModPlug via libmodplug [no]
234 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
235 --enable-libnut enable NUT (de)muxing via libnut,
236 native (de)muxer exists [no]
237 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
238 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
239 --enable-libopencv enable video filtering via libopencv [no]
240 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
241 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
242 --enable-libopus enable Opus de/encoding via libopus [no]
243 --enable-libpulse enable Pulseaudio input via libpulse [no]
244 --enable-librubberband enable rubberband needed for rubberband filter [no]
245 --enable-librtmp enable RTMP[E] support via librtmp [no]
246 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
247 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
248 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
249 --enable-libsnappy enable Snappy compression, needed for hap encoding [no]
250 --enable-libsoxr enable Include libsoxr resampling [no]
251 --enable-libspeex enable Speex de/encoding via libspeex [no]
252 --enable-libssh enable SFTP protocol via libssh [no]
253 --enable-libtesseract enable Tesseract, needed for ocr filter [no]
254 --enable-libtheora enable Theora encoding via libtheora [no]
255 --enable-libtwolame enable MP2 encoding via libtwolame [no]
256 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
257 --enable-libv4l2 enable libv4l2/v4l-utils [no]
258 --enable-libvidstab enable video stabilization using vid.stab [no]
259 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
260 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
261 native implementation exists [no]
262 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
263 --enable-libwavpack enable wavpack encoding via libwavpack [no]
264 --enable-libwebp enable WebP encoding via libwebp [no]
265 --enable-libx264 enable H.264 encoding via x264 [no]
266 --enable-libx265 enable HEVC encoding via x265 [no]
267 --enable-libxavs enable AVS encoding via xavs [no]
268 --enable-libxcb enable X11 grabbing using XCB [autodetect]
269 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
270 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
271 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
272 --enable-libxvid enable Xvid encoding via xvidcore,
273 native MPEG-4/Xvid encoder exists [no]
274 --enable-libzimg enable z.lib, needed for zscale filter [no]
275 --enable-libzmq enable message passing via libzmq [no]
276 --enable-libzvbi enable teletext support via libzvbi [no]
277 --disable-lzma disable lzma [autodetect]
278 --enable-decklink enable Blackmagic DeckLink I/O support [no]
279 --enable-mediacodec enable Android MediaCodec support [no]
280 --enable-mmal enable decoding via MMAL [no]
281 --enable-netcdf enable NetCDF, needed for sofalizer filter [no]
282 --enable-nvenc enable NVIDIA NVENC support [no]
283 --enable-openal enable OpenAL 1.1 capture support [no]
284 --enable-opencl enable OpenCL code
285 --enable-opengl enable OpenGL rendering [no]
286 --enable-openssl enable openssl, needed for https support
287 if gnutls is not used [no]
288 --disable-schannel disable SChannel SSP, needed for TLS support on
289 Windows if openssl and gnutls are not used [autodetect]
290 --disable-sdl disable sdl [autodetect]
291 --disable-securetransport disable Secure Transport, needed for TLS support
292 on OSX if openssl and gnutls are not used [autodetect]
293 --disable-videotoolbox disable VideoToolbox code [autodetect]
294 --enable-x11grab enable X11 grabbing (legacy) [no]
295 --disable-xlib disable xlib [autodetect]
296 --disable-zlib disable zlib [autodetect]
299 --arch=ARCH select architecture [$arch]
300 --cpu=CPU select the minimum required CPU (affects
301 instruction selection, may crash on older CPUs)
302 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
303 --progs-suffix=SUFFIX program name suffix []
304 --enable-cross-compile assume a cross-compiler is used
305 --sysroot=PATH root of cross-build tree
306 --sysinclude=PATH location of cross-build system headers
307 --target-os=OS compiler targets OS [$target_os]
308 --target-exec=CMD command to run executables on target
309 --target-path=DIR path to view of build directory on target
310 --target-samples=DIR path to samples directory on target
311 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
312 --toolchain=NAME set tool defaults according to NAME
313 --nm=NM use nm tool NM [$nm_default]
314 --ar=AR use archive tool AR [$ar_default]
315 --as=AS use assembler AS [$as_default]
316 --strip=STRIP use strip tool STRIP [$strip_default]
317 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
318 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
319 --cc=CC use C compiler CC [$cc_default]
320 --cxx=CXX use C compiler CXX [$cxx_default]
321 --objcc=OCC use ObjC compiler OCC [$cc_default]
322 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
323 --ld=LD use linker LD [$ld_default]
324 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
325 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
326 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
327 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
328 --host-cc=HOSTCC use host C compiler HOSTCC
329 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
330 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
331 --host-ld=HOSTLD use host linker HOSTLD
332 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
333 --host-libs=HLIBS use libs HLIBS when linking for host
334 --host-os=OS compiler host OS [$target_os]
335 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
336 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
337 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
338 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
339 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
340 --extra-ldlibflags=ELDFLAGS add ELDFLAGS to LDLIBFLAGS [$LDLIBFLAGS]
341 --extra-libs=ELIBS add ELIBS [$ELIBS]
342 --extra-version=STRING version string suffix []
343 --optflags=OPTFLAGS override optimization-related compiler flags
344 --build-suffix=SUFFIX library name suffix []
345 --enable-pic build position-independent code
346 --enable-thumb compile for Thumb instruction set
347 --enable-lto use link-time optimization
348 --env="ENV=override" override the environment variables
350 Advanced options (experts only):
351 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
352 --custom-allocator=NAME use a supported custom allocator
353 --disable-symver disable symbol versioning
354 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
355 --disable-safe-bitstream-reader
356 disable buffer boundary checking in bitreaders
357 (faster, but may crash)
358 --enable-memalign-hack emulate memalign, interferes with memory debuggers
359 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
361 Optimization options (experts only):
362 --disable-asm disable all assembly optimizations
363 --disable-altivec disable AltiVec optimizations
364 --disable-vsx disable VSX optimizations
365 --disable-power8 disable POWER8 optimizations
366 --disable-amd3dnow disable 3DNow! optimizations
367 --disable-amd3dnowext disable 3DNow! extended optimizations
368 --disable-mmx disable MMX optimizations
369 --disable-mmxext disable MMXEXT optimizations
370 --disable-sse disable SSE optimizations
371 --disable-sse2 disable SSE2 optimizations
372 --disable-sse3 disable SSE3 optimizations
373 --disable-ssse3 disable SSSE3 optimizations
374 --disable-sse4 disable SSE4 optimizations
375 --disable-sse42 disable SSE4.2 optimizations
376 --disable-avx disable AVX optimizations
377 --disable-xop disable XOP optimizations
378 --disable-fma3 disable FMA3 optimizations
379 --disable-fma4 disable FMA4 optimizations
380 --disable-avx2 disable AVX2 optimizations
381 --disable-aesni disable AESNI optimizations
382 --disable-armv5te disable armv5te optimizations
383 --disable-armv6 disable armv6 optimizations
384 --disable-armv6t2 disable armv6t2 optimizations
385 --disable-vfp disable VFP optimizations
386 --disable-neon disable NEON optimizations
387 --disable-inline-asm disable use of inline assembly
388 --disable-yasm disable use of nasm/yasm assembly
389 --disable-mipsdsp disable MIPS DSP ASE R1 optimizations
390 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
391 --disable-msa disable MSA optimizations
392 --disable-mipsfpu disable floating point MIPS optimizations
393 --disable-mmi disable Loongson SIMD optimizations
394 --disable-fast-unaligned consider unaligned accesses slow
396 Developer options (useful when working on FFmpeg itself):
397 --disable-debug disable debugging symbols
398 --enable-debug=LEVEL set the debug level [$debuglevel]
399 --disable-optimizations disable compiler optimizations
400 --enable-extra-warnings enable more compiler warnings
401 --disable-stripping disable stripping of executables and shared libraries
402 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
403 2 causes a slowdown at runtime.
404 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
405 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
406 leaks and errors, using the specified valgrind binary.
407 Cannot be combined with --target-exec
408 --enable-ftrapv Trap arithmetic overflows
409 --samples=PATH location of test samples for FATE, if not set use
410 \$FATE_SAMPLES at make invocation time.
411 --enable-neon-clobber-test check NEON registers for clobbering (should be
412 used only for debugging purposes)
413 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
414 should be used only for debugging purposes)
415 --enable-random randomly enable/disable components
417 --enable-random=LIST randomly enable/disable specific components or
418 --disable-random=LIST component groups. LIST is a comma-separated list
419 of NAME[:PROB] entries where NAME is a component
420 (group) and PROB the probability associated with
422 --random-seed=VALUE seed value for --enable/disable-random
423 --disable-valgrind-backtrace do not print a backtrace under Valgrind
424 (only applies to --disable-optimizations builds)
426 NOTE: Object files are built at the place where configure is launched.
432 if test -t 1 && which tput >/dev/null 2>&1; then
433 ncolors=$(tput colors)
434 if test -n "$ncolors" && test $ncolors -ge 8; then
435 bold_color=$(tput bold)
436 warn_color=$(tput setaf 3)
437 error_color=$(tput setaf 1)
438 reset_color=$(tput sgr0)
440 # 72 used instead of 80 since that's the default of pr
446 echo "$@" >> $logfile
451 pr -n -t $1 >> $logfile
457 WARNINGS="${WARNINGS}WARNING: $*\n"
462 echo "$error_color$bold_color$@$reset_color"
465 If you think configure made a mistake, make sure you are using the latest
466 version from Git. If the latest version fails, report the problem to the
467 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
469 if disabled logging; then
471 Rerun configure with logging enabled (do not use --disable-logging), and
472 include the log this produces with your report.
476 Include the log file "$logfile" produced by configure as this will help
483 # Avoid locale weirdness, besides we really just want to translate ASCII.
485 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
489 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
493 echo "$*" | sed 's/["\\]/\\\0/g'
497 v=$(echo "$1" | sed "s/'/'\\\\''/g")
498 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
503 echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
510 eval "case $v in $pat) echo $v ;; esac"
518 eval "case $v in $pat) ;; *) echo $v ;; esac"
525 for v; do eval $m; done
531 for v; do echo ${v}${suffix}; done
546 eval : \${$var:=$value}
551 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
557 eval $(sanitize_var_name "$var")='$*'
561 eval echo \$$(sanitize_var_name "$1")
566 eval level=\${${pvar}_level:=0}
567 eval ${pvar}_${level}="\$$pvar"
568 eval ${pvar}_level=$(($level+1))
574 eval level=\${${pvar}_level:-0}
575 test $level = 0 && continue
576 eval level=$(($level-1))
577 eval $pvar="\${${pvar}_${level}}"
578 eval ${pvar}_level=$level
579 eval unset ${pvar}_${level}
601 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
607 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
613 enabled $var && continue
614 eval sel="\$${var}_select"
615 eval sgs="\$${var}_suggest"
619 enable_deep_weak $sgs
631 disabled $var && continue
640 test "${1#!}" = "$1" && op='=' || op=!=
641 eval test "x\$${1#!}" $op "xyes"
645 test "${1#!}" = "$1" && op='=' || op=!=
646 eval test "x\$${1#!}" $op "xno"
651 enabled $opt || return 1
657 disabled $opt || return 1
663 enabled $opt && return 0
669 disabled $opt && return 0
676 eval : \${$opt:=\$${opt}_default}
684 [ $var = $value ] && return 0
692 enabled ${cfg}_checking && die "Circular dependency for $cfg."
693 disabled ${cfg}_checking && continue
694 enable ${cfg}_checking
697 eval dep_all="\$${cfg}_deps"
698 eval dep_any="\$${cfg}_deps_any"
699 eval dep_sel="\$${cfg}_select"
700 eval dep_sgs="\$${cfg}_suggest"
701 eval dep_ifa="\$${cfg}_if"
702 eval dep_ifn="\$${cfg}_if_any"
704 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
705 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
706 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
708 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
709 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
710 enabled_all $dep_all || disable $cfg
711 enabled_any $dep_any || disable $cfg
712 disabled_any $dep_sel && disable $cfg
714 if enabled $cfg; then
716 enable_deep_weak $dep_sgs
719 disable ${cfg}_checking
728 for cfg in $allopts; do
729 enabled $cfg || continue
730 eval dep_extralibs="\$${cfg}_extralibs"
731 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
739 map 'eval echo "$v \${$v:-no}"' "$@" |
740 awk "BEGIN { split(\"$files\", files) }
742 c = \"$pfx\" toupper(\$1);
748 if (file ~ /\\.h\$/) {
749 printf(\"#define %s %d\\n\", c, v) >>file;
750 } else if (file ~ /\\.asm\$/) {
751 printf(\"%%define %s %d\\n\", c, v) >>file;
752 } else if (file ~ /\\.mak\$/) {
753 n = -v ? \"\" : \"!\";
754 printf(\"%s%s=yes\\n\", n, c) >>file;
755 } else if (file ~ /\\.texi\$/) {
756 pre = -v ? \"\" : \"@c \";
759 gsub(/_/, \"-\", c2);
760 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
770 enabled $v && printf "%s\n" ${v%$suf};
777 eval "$var=\"\$$var $*\""
783 eval "$var=\"$* \$$var\""
789 for tok in $(eval echo \$$var); do
790 uniq_list="$(filter_out $tok $uniq_list) $tok"
792 eval "$var=\"${uniq_list}\""
800 append CFLAGS $($cflags_filter "$@")
804 append CXXFLAGS $($cflags_filter "$@")
808 append ASFLAGS $($asflags_filter "$@")
812 append OBJCFLAGS $($objcflags_filter "$@")
816 append LDFLAGS $($ldflags_filter "$@")
820 append LDEXEFLAGS $($ldflags_filter "$@")
824 append LDLIBFLAGS $($ldflags_filter "$@")
828 append ASMSTRIPFLAGS "$@"
832 prepend extralibs $($ldflags_filter "$@")
836 append host_cppflags "$@"
840 append host_cflags $($host_cflags_filter "$@")
844 append host_ldflags $($host_ldflags_filter "$@")
848 append compat_objs $1
850 map 'add_cppflags -D$v' "$@"
855 "$@" >> $logfile 2>&1
860 stat "$1" >> $logfile 2>&1
864 eval printf '%s\\n' $CC_O
868 eval printf '%s\\n' $CC_E
875 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
882 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
889 check_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
896 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
900 eval printf '%s\\n' $AS_O
907 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
911 log check_inline_asm "$@"
916 check_cc "$@" <<EOF && enable $name
917 void foo(void){ __asm__ volatile($code); }
921 check_inline_asm_flags(){
922 log check_inline_asm_flags "$@"
927 while [ "$1" != "" ]; do
933 void foo(void){ __asm__ volatile($code); }
936 check_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&
937 enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags
942 check_inline_asm ${1}_inline "\"$2\""
943 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
951 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
955 eval printf '%s\\n' $LD_O
962 flags=$(filter_out '-l*|*.so' $@)
963 libs=$(filter '-l*|*.so' $@)
964 check_$type $($cflags_filter $flags) || return
965 flags=$($ldflags_filter $flags)
966 libs=$($ldflags_filter $libs)
967 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
972 test "${hdr%.h}" = "${hdr}" &&
973 echo "#include $hdr" ||
974 echo "#include <$hdr>"
984 for hdr in $headers; do
987 echo "int main(void) { $code; return 0; }"
988 } | check_$check "$@"
992 log check_cppflags "$@"
993 check_cc "$@" <<EOF && append CPPFLAGS "$@"
1000 set -- $($cflags_filter "$@")
1007 log check_cflags "$@"
1008 test_cflags "$@" && add_cflags "$@"
1012 log check_cxxflags "$@"
1013 set -- $($cflags_filter "$@")
1014 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
1020 log test_cflags "$@"
1021 set -- $($cflags_filter "$@")
1022 check_objcc "$@" <<EOF
1028 log check_cflags "$@"
1029 test_objcflags "$@" && add_objcflags "$@"
1033 log test_ldflags "$@"
1034 check_ld "cc" "$@" <<EOF
1035 int main(void){ return 0; }
1040 log check_ldflags "$@"
1041 test_ldflags "$@" && add_ldflags "$@"
1045 log test_stripflags "$@"
1046 # call check_cc to get a fresh TMPO
1048 int main(void) { return 0; }
1050 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1054 log check_stripflags "$@"
1055 test_stripflags "$@" && add_stripflags "$@"
1059 log check_header "$@"
1062 disable_safe $header
1063 check_cpp "$@" <<EOF && enable_safe $header
1069 check_header_objcc(){
1070 log check_header_objcc "$@"
1074 disable_safe $header
1076 echo "#include <$header>"
1077 echo "int main(void) { return 0; }"
1078 } | check_objcc && check_stat "$TMPO" && enable_safe $headers
1086 check_ld "cc" "$@" <<EOF && enable $func
1088 int main(void){ $func(); }
1092 check_complexfunc(){
1093 log check_complexfunc "$@"
1097 test $narg = 2 && args="f, g" || args="f * I"
1099 check_ld "cc" "$@" <<EOF && enable $func
1100 #include <complex.h>
1102 float foo(complex float f, complex float g) { return $func($args); }
1103 int main(void){ return (int) foo; }
1108 log check_mathfunc "$@"
1112 test $narg = 2 && args="f, g" || args="f"
1114 check_ld "cc" "$@" <<EOF && enable $func
1116 float foo(float f, float g) { return $func($args); }
1117 int main(void){ return (int) foo; }
1121 check_func_headers(){
1122 log check_func_headers "$@"
1127 for hdr in $headers; do
1130 for func in $funcs; do
1131 echo "long check_$func(void) { return (long) $func; }"
1133 echo "int main(void) { return 0; }"
1134 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1137 check_class_headers_cpp(){
1138 log check_class_headers_cpp "$@"
1143 for hdr in $headers; do
1144 echo "#include <$hdr>"
1146 echo "int main(void) { "
1148 for class in $classes; do
1149 echo "$class obj$i;"
1153 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1156 check_cpp_condition(){
1157 log check_cpp_condition "$@"
1161 check_cpp "$@" <<EOF
1164 #error "unsatisfied condition: $condition"
1174 check_header $header && check_func $func "$@" && add_extralibs "$@"
1182 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1186 log check_lib_cpp "$@"
1190 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1194 log check_pkg_config "$@"
1200 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1201 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1202 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1203 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1204 set_safe "${pkg}_cflags" $pkg_cflags &&
1205 set_safe "${pkg}_libs" $pkg_libs
1209 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1215 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1216 # are safe but may not be available everywhere. Thus we use
1217 # raise(SIGTERM) instead. The check is run in a subshell so we
1218 # can redirect the "Terminated" message from the shell. SIGBUS
1219 # is not defined by standard C so it is used conditionally.
1221 (check_exec "$@") >> $logfile 2>&1 <<EOF
1223 static void sighandler(int sig){
1229 int (*func_ptr)(void) = foo;
1231 signal(SIGILL, sighandler);
1232 signal(SIGFPE, sighandler);
1233 signal(SIGSEGV, sighandler);
1235 signal(SIGBUS, sighandler);
1247 disable_safe "$type"
1248 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1252 log check_struct "$@"
1257 disable_safe "${struct}_${member}"
1258 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1259 enable_safe "${struct}_${member}"
1263 log check_builtin "$@"
1269 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1272 check_compile_assert(){
1273 log check_compile_assert "$@"
1279 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1287 check_lib $header $func "$@" || die "ERROR: $name not found"
1295 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1303 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1308 check_pkg_config "$@" || return 1
1309 add_cflags $(get_safe "${pkg}_cflags")
1310 add_extralibs $(get_safe "${pkg}_libs")
1313 require_pkg_config(){
1314 use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"
1317 require_libfreetype(){
1318 log require_libfreetype "$@"
1320 check_cmd $pkg_config --exists --print-errors $pkg \
1321 || die "ERROR: $pkg not found"
1322 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1323 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1325 echo "#include <ft2build.h>"
1326 echo "#include FT_FREETYPE_H"
1327 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1328 echo "int main(void) { return 0; }"
1329 } | check_ld "cc" $pkg_cflags $pkg_libs \
1330 && set_safe "${pkg}_cflags" $pkg_cflags \
1331 && set_safe "${pkg}_libs" $pkg_libs \
1332 || die "ERROR: $pkg not found"
1333 add_cflags $(get_safe "${pkg}_cflags")
1334 add_extralibs $(get_safe "${pkg}_libs")
1338 eval printf '%s\\n' $HOSTCC_E
1342 eval printf '%s\\n' $HOSTCC_O
1346 log check_host_cc "$@"
1349 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1353 log check_host_cpp "$@"
1356 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1359 check_host_cppflags(){
1360 log check_host_cppflags "$@"
1361 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1366 check_host_cflags(){
1367 log check_host_cflags "$@"
1368 set -- $($host_cflags_filter "$@")
1369 check_host_cc "$@" <<EOF && append host_cflags "$@"
1374 check_host_cpp_condition(){
1375 log check_host_cpp_condition "$@"
1379 check_host_cpp "$@" <<EOF
1382 #error "unsatisfied condition: $condition"
1388 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1389 mkdir -p "$(dirname $2)"
1393 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1394 # system-dependent things.
1396 AVCODEC_COMPONENTS="
1404 AVDEVICE_COMPONENTS="
1408 AVFILTER_COMPONENTS="
1411 AVFORMAT_COMPONENTS="
1417 AVRESAMPLE_COMPONENTS=""
1418 AVUTIL_COMPONENTS=""
1422 $AVDEVICE_COMPONENTS
1423 $AVFILTER_COMPONENTS
1424 $AVFORMAT_COMPONENTS
1425 $AVRESAMPLE_COMPONENTS
1430 avio_reading_example
1431 avio_dir_cmd_example
1432 decoding_encoding_example
1433 demuxing_decoding_example
1435 filter_audio_example
1436 filtering_audio_example
1437 filtering_video_example
1442 resampling_audio_example
1443 scaling_video_example
1444 transcode_aac_example
1448 EXTERNAL_LIBRARY_LIST="
1554 safe_bitstream_reader
1567 videotoolbox_hwaccel
1615 $EXTERNAL_LIBRARY_LIST
1623 incompatible_libav_abi
1685 ARCH_EXT_LIST_MIPS="
1697 ARCH_EXT_LIST_LOONGSON="
1703 ARCH_EXT_LIST_X86_SIMD="
1732 $ARCH_EXT_LIST_X86_SIMD
1742 $ARCH_EXT_LIST_LOONGSON
1758 atomic_compare_exchange
1765 sync_val_compare_and_swap
1776 incompatible_libav_abi
1785 cdio_paranoia_paranoia_h
1787 dev_bktr_ioctl_bt848_h
1788 dev_bktr_ioctl_meteor_h
1790 dev_video_bktr_ioctl_bt848_h
1791 dev_video_meteor_ioctl_meteor_h
1801 machine_ioctl_bt848_h
1802 machine_ioctl_meteor_h
1804 opencv2_core_core_c_h
1805 openjpeg_2_1_openjpeg_h
1806 openjpeg_2_0_openjpeg_h
1807 openjpeg_1_5_openjpeg_h
1885 GetProcessAffinityMask
1886 GetProcessMemoryInfo
1889 GetSystemTimeAsFileTime
1896 jack_port_get_latency_range
1912 SetConsoleTextAttribute
1913 SetConsoleCtrlHandler
1921 UTGetOSTypeFromString
1926 TOOLCHAIN_FEATURES="
1938 inline_asm_direct_symbol_refs
1940 inline_asm_nonlocal_labels
1951 CONDITION_VARIABLE_Ptr
1954 struct_group_source_req
1955 struct_ip_mreq_source
1957 struct_msghdr_msg_flags
1959 struct_rusage_ru_maxrss
1960 struct_sctp_event_subscribe
1962 struct_sockaddr_sa_len
1963 struct_sockaddr_storage
1964 struct_stat_st_mtim_tv_nsec
1965 struct_v4l2_frmivalenum_discrete
1970 $(add_suffix _external $ARCH_EXT_LIST)
1971 $(add_suffix _inline $ARCH_EXT_LIST)
2006 # options emitted with CONFIG_ prefix but not available on the command line
2023 frame_thread_encoder
2169 # code dependency declarations
2171 # architecture extensions
2176 armv8_deps="aarch64"
2177 neon_deps_any="aarch64 arm"
2178 intrinsics_neon_deps="neon"
2179 vfp_deps_any="aarch64 arm"
2183 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2187 mipsdspr2_deps="mips"
2188 mips32r2_deps="mips"
2189 mips32r5_deps="mips"
2190 mips32r6_deps="mips"
2191 mips64r2_deps="mips"
2192 mips64r6_deps="mips"
2204 x86_64_select="i686"
2205 x86_64_suggest="fast_cmov"
2208 amd3dnowext_deps="amd3dnow"
2225 mmx_external_deps="yasm"
2226 mmx_inline_deps="inline_asm"
2227 mmx_suggest="mmx_external mmx_inline"
2229 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2230 eval dep=\$${ext}_deps
2231 eval ${ext}_external_deps='"${dep}_external"'
2232 eval ${ext}_inline_deps='"${dep}_inline"'
2233 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2236 aligned_stack_if_any="aarch64 ppc x86"
2237 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2238 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2239 fast_unaligned_if_any="aarch64 ppc x86"
2240 simd_align_16_if_any="altivec neon sse"
2242 # system capabilities
2243 symver_if_any="symver_asm_label symver_gnu_asm"
2244 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
2247 atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"
2248 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2249 atomics_win32_if="MemoryBarrier"
2250 atomics_native_if_any="$ATOMICS_LIST"
2251 w32threads_deps="atomics_native"
2252 threads_if_any="$THREADS_LIST"
2256 dirac_parse_select="golomb"
2257 error_resilience_select="me_cmp"
2258 faandct_deps="faan fdctdsp"
2259 faanidct_deps="faan idctdsp"
2260 h264dsp_select="startcode"
2261 frame_thread_encoder_deps="encoders threads"
2263 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2264 mpeg_er_select="error_resilience"
2265 mpegaudio_select="mpegaudiodsp"
2266 mpegaudiodsp_select="dct"
2267 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2268 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2271 vc1dsp_select="h264chroma qpeldsp startcode"
2274 # decoders / encoders
2275 aac_decoder_select="imdct15 mdct sinewin"
2276 aac_fixed_decoder_select="mdct sinewin"
2277 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2278 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2279 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2280 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2281 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2282 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2283 adpcm_g722_decoder_select="g722dsp"
2284 adpcm_g722_encoder_select="g722dsp"
2285 aic_decoder_select="golomb idctdsp"
2286 alac_encoder_select="lpc"
2287 als_decoder_select="bswapdsp"
2288 amrnb_decoder_select="lsp"
2289 amrwb_decoder_select="lsp"
2290 amv_decoder_select="sp5x_decoder exif"
2291 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2292 ape_decoder_select="bswapdsp llauddsp"
2293 apng_decoder_select="zlib"
2294 apng_encoder_select="huffyuvencdsp zlib"
2295 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2296 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2297 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2298 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2299 atrac1_decoder_select="mdct sinewin"
2300 atrac3_decoder_select="mdct"
2301 atrac3p_decoder_select="mdct sinewin"
2302 avrn_decoder_select="exif jpegtables"
2303 bink_decoder_select="blockdsp hpeldsp"
2304 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2305 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2306 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2307 cllc_decoder_select="bswapdsp"
2308 comfortnoise_encoder_select="lpc"
2309 cook_decoder_select="audiodsp mdct sinewin"
2310 cscd_decoder_select="lzo"
2311 cscd_decoder_suggest="zlib"
2312 dca_decoder_select="mdct"
2313 dds_decoder_select="texturedsp"
2314 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2315 dnxhd_decoder_select="blockdsp idctdsp"
2316 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2317 dvvideo_decoder_select="dvprofile idctdsp"
2318 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2319 dxa_decoder_select="zlib"
2320 dxv_decoder_select="lzf texturedsp"
2321 eac3_decoder_select="ac3_decoder"
2322 eac3_encoder_select="ac3_encoder"
2323 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2324 eatgq_decoder_select="aandcttables"
2325 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2326 exr_decoder_select="zlib"
2327 ffv1_decoder_select="golomb rangecoder"
2328 ffv1_encoder_select="rangecoder"
2329 ffvhuff_decoder_select="huffyuv_decoder"
2330 ffvhuff_encoder_select="huffyuv_encoder"
2331 fic_decoder_select="golomb"
2332 flac_decoder_select="flacdsp golomb"
2333 flac_encoder_select="bswapdsp flacdsp golomb lpc"
2334 flashsv2_decoder_select="zlib"
2335 flashsv2_encoder_select="zlib"
2336 flashsv_decoder_select="zlib"
2337 flashsv_encoder_select="zlib"
2338 flv_decoder_select="h263_decoder"
2339 flv_encoder_select="h263_encoder"
2340 fourxm_decoder_select="blockdsp bswapdsp"
2341 fraps_decoder_select="bswapdsp huffman"
2342 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2343 g729_decoder_select="audiodsp"
2344 h261_decoder_select="mpegvideo"
2345 h261_encoder_select="aandcttables mpegvideoenc"
2346 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2347 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2348 h263i_decoder_select="h263_decoder"
2349 h263p_decoder_select="h263_decoder"
2350 h263p_encoder_select="h263_encoder"
2351 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel videodsp"
2352 h264_decoder_suggest="error_resilience"
2353 h264_qsv_decoder_deps="libmfx"
2354 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2355 h264_qsv_encoder_deps="libmfx"
2356 h264_qsv_encoder_select="qsvenc"
2357 hap_decoder_select="snappy texturedsp"
2358 hap_encoder_deps="libsnappy"
2359 hap_encoder_select="texturedspenc"
2360 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2361 hevc_qsv_decoder_deps="libmfx"
2362 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
2363 hevc_qsv_encoder_deps="libmfx"
2364 hevc_qsv_encoder_select="qsvenc"
2365 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2366 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
2367 iac_decoder_select="imc_decoder"
2368 imc_decoder_select="bswapdsp fft mdct sinewin"
2369 indeo3_decoder_select="hpeldsp"
2370 indeo4_decoder_select="ividsp"
2371 indeo5_decoder_select="ividsp"
2372 interplay_video_decoder_select="hpeldsp"
2373 jpegls_decoder_select="golomb mjpeg_decoder"
2374 jpegls_encoder_select="golomb"
2375 jv_decoder_select="blockdsp"
2376 lagarith_decoder_select="huffyuvdsp"
2377 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2378 loco_decoder_select="golomb"
2379 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2380 metasound_decoder_select="lsp mdct sinewin"
2381 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2382 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2383 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2384 mjpegb_decoder_select="mjpeg_decoder"
2385 mlp_decoder_select="mlp_parser"
2386 motionpixels_decoder_select="bswapdsp"
2387 mp1_decoder_select="mpegaudio"
2388 mp1float_decoder_select="mpegaudio"
2389 mp2_decoder_select="mpegaudio"
2390 mp2float_decoder_select="mpegaudio"
2391 mp3_decoder_select="mpegaudio"
2392 mp3adu_decoder_select="mpegaudio"
2393 mp3adufloat_decoder_select="mpegaudio"
2394 mp3float_decoder_select="mpegaudio"
2395 mp3on4_decoder_select="mpegaudio"
2396 mp3on4float_decoder_select="mpegaudio"
2397 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2398 mpc8_decoder_select="mpegaudiodsp"
2399 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2400 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2401 mpegvideo_decoder_select="mpegvideo"
2402 mpeg1video_decoder_select="mpegvideo"
2403 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2404 mpeg2video_decoder_select="mpegvideo"
2405 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2406 mpeg2_qsv_decoder_deps="libmfx"
2407 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
2408 mpeg2_qsv_encoder_deps="libmfx"
2409 mpeg2_qsv_encoder_select="qsvenc"
2410 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2411 mpeg4_encoder_select="h263_encoder"
2412 msa1_decoder_select="mss34dsp"
2413 msmpeg4v1_decoder_select="h263_decoder"
2414 msmpeg4v2_decoder_select="h263_decoder"
2415 msmpeg4v2_encoder_select="h263_encoder"
2416 msmpeg4v3_decoder_select="h263_decoder"
2417 msmpeg4v3_encoder_select="h263_encoder"
2418 mss2_decoder_select="vc1_decoder mpegvideo"
2419 mts2_decoder_select="mss34dsp"
2420 mxpeg_decoder_select="mjpeg_decoder"
2421 nellymoser_decoder_select="mdct sinewin"
2422 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2423 nuv_decoder_select="idctdsp lzo"
2424 on2avc_decoder_select="mdct"
2425 opus_decoder_deps="swresample"
2426 opus_decoder_select="imdct15"
2427 png_decoder_select="zlib"
2428 png_encoder_select="huffyuvencdsp zlib"
2429 prores_decoder_select="blockdsp idctdsp"
2430 prores_encoder_select="fdctdsp"
2431 qcelp_decoder_select="lsp"
2432 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2433 ra_144_decoder_select="audiodsp"
2434 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2435 ralf_decoder_select="golomb"
2436 rawvideo_decoder_select="bswapdsp"
2437 rscc_decoder_select="zlib"
2438 rtjpeg_decoder_select="me_cmp"
2439 rv10_decoder_select="h263_decoder"
2440 rv10_encoder_select="h263_encoder"
2441 rv20_decoder_select="h263_decoder"
2442 rv20_encoder_select="h263_encoder"
2443 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2444 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2445 screenpresso_decoder_select="zlib"
2446 shorten_decoder_select="golomb"
2447 sipr_decoder_select="lsp"
2448 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2449 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2450 sonic_decoder_select="golomb rangecoder"
2451 sonic_encoder_select="golomb rangecoder"
2452 sonic_ls_encoder_select="golomb rangecoder"
2453 sp5x_decoder_select="mjpeg_decoder"
2454 svq1_decoder_select="hpeldsp"
2455 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2456 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2457 svq3_decoder_suggest="zlib"
2458 tak_decoder_select="audiodsp"
2459 tdsc_decoder_select="zlib mjpeg_decoder"
2460 theora_decoder_select="vp3_decoder"
2461 thp_decoder_select="mjpeg_decoder"
2462 tiff_decoder_suggest="zlib lzma"
2463 tiff_encoder_suggest="zlib"
2464 truehd_decoder_select="mlp_parser"
2465 truemotion2_decoder_select="bswapdsp"
2466 truespeech_decoder_select="bswapdsp"
2467 tscc_decoder_select="zlib"
2468 twinvq_decoder_select="mdct lsp sinewin"
2469 txd_decoder_select="texturedsp"
2470 utvideo_decoder_select="bswapdsp"
2471 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2472 vble_decoder_select="huffyuvdsp"
2473 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2474 vc1_qsv_decoder_deps="libmfx"
2475 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"
2476 vc1image_decoder_select="vc1_decoder"
2477 vorbis_decoder_select="mdct"
2478 vorbis_encoder_select="mdct"
2479 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2480 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2481 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2482 vp6a_decoder_select="vp6_decoder"
2483 vp6f_decoder_select="vp6_decoder"
2484 vp7_decoder_select="h264pred videodsp vp8dsp"
2485 vp8_decoder_select="h264pred videodsp vp8dsp"
2486 vp9_decoder_select="videodsp vp9_parser"
2487 webp_decoder_select="vp8_decoder exif"
2488 wmalossless_decoder_select="llauddsp"
2489 wmapro_decoder_select="mdct sinewin wma_freqs"
2490 wmav1_decoder_select="mdct sinewin wma_freqs"
2491 wmav1_encoder_select="mdct sinewin wma_freqs"
2492 wmav2_decoder_select="mdct sinewin wma_freqs"
2493 wmav2_encoder_select="mdct sinewin wma_freqs"
2494 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2495 wmv1_decoder_select="h263_decoder"
2496 wmv1_encoder_select="h263_encoder"
2497 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2498 wmv2_encoder_select="h263_encoder wmv2dsp"
2499 wmv3_decoder_select="vc1_decoder"
2500 wmv3image_decoder_select="wmv3_decoder"
2501 xma1_decoder_select="wmapro_decoder"
2502 xma2_decoder_select="wmapro_decoder"
2503 zerocodec_decoder_select="zlib"
2504 zlib_decoder_select="zlib"
2505 zlib_encoder_select="zlib"
2506 zmbv_decoder_select="zlib"
2507 zmbv_encoder_select="zlib"
2510 audiotoolbox_deps="AudioToolbox_AudioToolbox_h"
2511 audiotoolbox_extralibs="-framework CoreFoundation -framework AudioToolbox -framework CoreMedia"
2513 # hardware accelerators
2514 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2515 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2516 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2517 vaapi_deps="va_va_h"
2518 vda_framework_deps="VideoDecodeAcceleration_VDADecoder_h"
2519 vda_framework_extralibs="-framework VideoDecodeAcceleration"
2520 vda_deps="vda_framework pthreads"
2521 vda_extralibs="-framework CoreFoundation -framework QuartzCore"
2522 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2523 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2524 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2525 xvmc_deps="X11_extensions_XvMClib_h"
2527 h263_vaapi_hwaccel_deps="vaapi"
2528 h263_vaapi_hwaccel_select="h263_decoder"
2529 h263_videotoolbox_hwaccel_deps="videotoolbox"
2530 h263_videotoolbox_hwaccel_select="h263_decoder"
2531 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2532 h264_d3d11va_hwaccel_deps="d3d11va"
2533 h264_d3d11va_hwaccel_select="h264_decoder"
2534 h264_dxva2_hwaccel_deps="dxva2"
2535 h264_dxva2_hwaccel_select="h264_decoder"
2536 h264_mediacodec_decoder_deps="mediacodec"
2537 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2538 h264_mmal_decoder_deps="mmal"
2539 h264_mmal_decoder_select="mmal"
2540 h264_mmal_hwaccel_deps="mmal"
2541 h264_qsv_hwaccel_deps="libmfx"
2542 h264_vaapi_hwaccel_deps="vaapi"
2543 h264_vaapi_hwaccel_select="h264_decoder"
2544 h264_vda_decoder_deps="vda"
2545 h264_vda_decoder_select="h264_decoder"
2546 h264_vda_hwaccel_deps="vda"
2547 h264_vda_hwaccel_select="h264_decoder"
2548 h264_vda_old_hwaccel_deps="vda"
2549 h264_vda_old_hwaccel_select="h264_decoder"
2550 h264_vdpau_decoder_deps="vdpau"
2551 h264_vdpau_decoder_select="h264_decoder"
2552 h264_vdpau_hwaccel_deps="vdpau"
2553 h264_vdpau_hwaccel_select="h264_decoder"
2554 h264_videotoolbox_hwaccel_deps="videotoolbox"
2555 h264_videotoolbox_hwaccel_select="h264_decoder"
2556 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2557 hevc_d3d11va_hwaccel_select="hevc_decoder"
2558 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2559 hevc_dxva2_hwaccel_select="hevc_decoder"
2560 hevc_qsv_hwaccel_deps="libmfx"
2561 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2562 hevc_vaapi_hwaccel_select="hevc_decoder"
2563 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2564 hevc_vdpau_hwaccel_select="hevc_decoder"
2565 mpeg_vdpau_decoder_deps="vdpau"
2566 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2567 mpeg_xvmc_hwaccel_deps="xvmc"
2568 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2569 mpeg1_vdpau_decoder_deps="vdpau"
2570 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2571 mpeg1_vdpau_hwaccel_deps="vdpau"
2572 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2573 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2574 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2575 mpeg1_xvmc_hwaccel_deps="xvmc"
2576 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2577 mpeg2_crystalhd_decoder_select="crystalhd"
2578 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2579 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2580 mpeg2_dxva2_hwaccel_deps="dxva2"
2581 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2582 mpeg2_mmal_decoder_deps="mmal"
2583 mpeg2_mmal_decoder_select="mmal"
2584 mpeg2_mmal_hwaccel_deps="mmal"
2585 mpeg2_qsv_hwaccel_deps="libmfx"
2586 mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"
2587 mpeg2_vaapi_hwaccel_deps="vaapi"
2588 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2589 mpeg2_vdpau_hwaccel_deps="vdpau"
2590 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2591 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2592 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2593 mpeg2_xvmc_hwaccel_deps="xvmc"
2594 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2595 mpeg4_crystalhd_decoder_select="crystalhd"
2596 mpeg4_mmal_decoder_deps="mmal"
2597 mpeg4_mmal_decoder_select="mmal"
2598 mpeg4_mmal_hwaccel_deps="mmal"
2599 mpeg4_vaapi_hwaccel_deps="vaapi"
2600 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2601 mpeg4_vdpau_decoder_deps="vdpau"
2602 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2603 mpeg4_vdpau_hwaccel_deps="vdpau"
2604 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2605 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2606 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2607 msmpeg4_crystalhd_decoder_select="crystalhd"
2608 vc1_crystalhd_decoder_select="crystalhd"
2609 vc1_d3d11va_hwaccel_deps="d3d11va"
2610 vc1_d3d11va_hwaccel_select="vc1_decoder"
2611 vc1_dxva2_hwaccel_deps="dxva2"
2612 vc1_dxva2_hwaccel_select="vc1_decoder"
2613 vc1_mmal_decoder_deps="mmal"
2614 vc1_mmal_decoder_select="mmal"
2615 vc1_mmal_hwaccel_deps="mmal"
2616 vc1_qsv_hwaccel_deps="libmfx"
2617 vc1_qsv_hwaccel_select="qsvdec_vc1"
2618 vc1_vaapi_hwaccel_deps="vaapi"
2619 vc1_vaapi_hwaccel_select="vc1_decoder"
2620 vc1_vdpau_decoder_deps="vdpau"
2621 vc1_vdpau_decoder_select="vc1_decoder"
2622 vc1_vdpau_hwaccel_deps="vdpau"
2623 vc1_vdpau_hwaccel_select="vc1_decoder"
2624 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2625 vp9_d3d11va_hwaccel_select="vp9_decoder"
2626 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2627 vp9_dxva2_hwaccel_select="vp9_decoder"
2628 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9"
2629 vp9_vaapi_hwaccel_select="vp9_decoder"
2630 wmv3_crystalhd_decoder_select="crystalhd"
2631 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2632 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2633 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2634 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2635 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2638 h264_parser_select="h264_decoder"
2639 hevc_parser_select="golomb"
2640 mpegvideo_parser_select="mpegvideo"
2641 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2642 vc1_parser_select="vc1dsp"
2645 mjpeg2jpeg_bsf_select="jpegtables"
2647 # external libraries
2648 aac_at_decoder_deps="audiotoolbox"
2649 ac3_at_decoder_deps="audiotoolbox"
2650 ac3_at_decoder_select="ac3_parser"
2651 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
2652 alac_at_decoder_deps="audiotoolbox"
2653 amr_nb_at_decoder_deps="audiotoolbox"
2654 eac3_at_decoder_deps="audiotoolbox"
2655 eac3_at_decoder_select="ac3_parser"
2656 gsm_ms_at_decoder_deps="audiotoolbox"
2657 ilbc_at_decoder_deps="audiotoolbox"
2658 mp1_at_decoder_deps="audiotoolbox"
2659 mp2_at_decoder_deps="audiotoolbox"
2660 mp3_at_decoder_deps="audiotoolbox"
2661 pcm_alaw_at_decoder_deps="audiotoolbox"
2662 pcm_mulaw_at_decoder_deps="audiotoolbox"
2663 qdmc_at_decoder_deps="audiotoolbox"
2664 qdm2_at_decoder_deps="audiotoolbox"
2665 aac_at_encoder_deps="audiotoolbox"
2666 aac_at_encoder_select="audio_frame_queue"
2667 alac_at_encoder_deps="audiotoolbox"
2668 alac_at_encoder_select="audio_frame_queue"
2669 ilbc_at_encoder_deps="audiotoolbox"
2670 ilbc_at_encoder_select="audio_frame_queue"
2671 pcm_alaw_at_encoder_deps="audiotoolbox"
2672 pcm_alaw_at_encoder_select="audio_frame_queue"
2673 pcm_mulaw_at_encoder_deps="audiotoolbox"
2674 pcm_mulaw_at_encoder_select="audio_frame_queue"
2675 chromaprint_muxer_deps="chromaprint"
2676 h264_videotoolbox_encoder_deps="videotoolbox_encoder pthreads"
2677 libcelt_decoder_deps="libcelt"
2678 libfaac_encoder_deps="libfaac"
2679 libfaac_encoder_select="audio_frame_queue"
2680 libfdk_aac_decoder_deps="libfdk_aac"
2681 libfdk_aac_encoder_deps="libfdk_aac"
2682 libfdk_aac_encoder_select="audio_frame_queue"
2683 libgme_demuxer_deps="libgme"
2684 libgsm_decoder_deps="libgsm"
2685 libgsm_encoder_deps="libgsm"
2686 libgsm_ms_decoder_deps="libgsm"
2687 libgsm_ms_encoder_deps="libgsm"
2688 libilbc_decoder_deps="libilbc"
2689 libilbc_encoder_deps="libilbc"
2690 libkvazaar_encoder_deps="libkvazaar"
2691 libmodplug_demuxer_deps="libmodplug"
2692 libmp3lame_encoder_deps="libmp3lame"
2693 libmp3lame_encoder_select="audio_frame_queue"
2694 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2695 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2696 libopencore_amrnb_encoder_select="audio_frame_queue"
2697 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2698 libopenh264_encoder_deps="libopenh264"
2699 libopenjpeg_decoder_deps="libopenjpeg"
2700 libopenjpeg_encoder_deps="libopenjpeg"
2701 libopus_decoder_deps="libopus"
2702 libopus_encoder_deps="libopus"
2703 libopus_encoder_select="audio_frame_queue"
2704 libschroedinger_decoder_deps="libschroedinger"
2705 libschroedinger_encoder_deps="libschroedinger"
2706 libshine_encoder_deps="libshine"
2707 libshine_encoder_select="audio_frame_queue"
2708 libspeex_decoder_deps="libspeex"
2709 libspeex_encoder_deps="libspeex"
2710 libspeex_encoder_select="audio_frame_queue"
2711 libtheora_encoder_deps="libtheora"
2712 libtwolame_encoder_deps="libtwolame"
2713 libutvideo_decoder_deps="libutvideo"
2714 libutvideo_encoder_deps="libutvideo"
2715 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2716 libvorbis_decoder_deps="libvorbis"
2717 libvorbis_encoder_deps="libvorbis"
2718 libvorbis_encoder_select="audio_frame_queue"
2719 libvpx_vp8_decoder_deps="libvpx"
2720 libvpx_vp8_encoder_deps="libvpx"
2721 libvpx_vp9_decoder_deps="libvpx"
2722 libvpx_vp9_encoder_deps="libvpx"
2723 libwavpack_encoder_deps="libwavpack"
2724 libwebp_encoder_deps="libwebp"
2725 libwebp_anim_encoder_deps="libwebp"
2726 libx262_encoder_deps="libx262"
2727 libx264_encoder_deps="libx264"
2728 libx264rgb_encoder_deps="libx264"
2729 libx264rgb_encoder_select="libx264_encoder"
2730 libx265_encoder_deps="libx265"
2731 libxavs_encoder_deps="libxavs"
2732 libxvid_encoder_deps="libxvid"
2733 libzvbi_teletext_decoder_deps="libzvbi"
2734 nvenc_encoder_deps="nvenc"
2735 nvenc_h264_encoder_deps="nvenc"
2736 nvenc_hevc_encoder_deps="nvenc"
2737 videotoolbox_deps="VideoToolbox_VideoToolbox_h"
2738 videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework CoreVideo"
2739 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
2740 videotoolbox_encoder_suggest="vda_framework"
2743 ac3_demuxer_select="ac3_parser"
2744 asf_demuxer_select="riffdec"
2745 asf_o_demuxer_select="riffdec"
2746 asf_muxer_select="riffenc"
2747 asf_stream_muxer_select="asf_muxer"
2748 avi_demuxer_select="iso_media riffdec exif"
2749 avi_muxer_select="riffenc"
2750 avisynth_demuxer_deps="avisynth"
2751 avisynth_demuxer_select="riffdec"
2752 caf_demuxer_select="iso_media riffdec"
2753 dash_muxer_select="mp4_muxer"
2754 dirac_demuxer_select="dirac_parser"
2755 dts_demuxer_select="dca_parser"
2756 dtshd_demuxer_select="dca_parser"
2757 dv_demuxer_select="dvprofile"
2758 dv_muxer_select="dvprofile"
2759 dxa_demuxer_select="riffdec"
2760 eac3_demuxer_select="ac3_parser"
2761 f4v_muxer_select="mov_muxer"
2762 flac_demuxer_select="flac_parser"
2763 hds_muxer_select="flv_muxer"
2764 hls_muxer_select="mpegts_muxer"
2765 image2_alias_pix_demuxer_select="image2_demuxer"
2766 image2_brender_pix_demuxer_select="image2_demuxer"
2767 ipod_muxer_select="mov_muxer"
2768 ismv_muxer_select="mov_muxer"
2769 libnut_demuxer_deps="libnut"
2770 libnut_muxer_deps="libnut"
2771 matroska_audio_muxer_select="matroska_muxer"
2772 matroska_demuxer_select="iso_media riffdec"
2773 matroska_demuxer_suggest="bzlib lzo zlib"
2774 matroska_muxer_select="iso_media riffenc"
2775 mmf_muxer_select="riffenc"
2776 mov_demuxer_select="iso_media riffdec"
2777 mov_demuxer_suggest="zlib"
2778 mov_muxer_select="iso_media riffenc rtpenc_chain"
2779 mp3_demuxer_select="mpegaudio_parser"
2780 mp4_muxer_select="mov_muxer"
2781 mpegts_demuxer_select="iso_media"
2782 mpegts_muxer_select="adts_muxer latm_muxer"
2783 mpegtsraw_demuxer_select="mpegts_demuxer"
2784 mxf_d10_muxer_select="mxf_muxer"
2785 mxf_opatom_muxer_select="mxf_muxer"
2786 nut_muxer_select="riffenc"
2787 nuv_demuxer_select="riffdec"
2788 oga_muxer_select="ogg_muxer"
2789 ogg_demuxer_select="dirac_parse"
2790 opus_muxer_select="ogg_muxer"
2791 psp_muxer_select="mov_muxer"
2792 rtp_demuxer_select="sdp_demuxer"
2793 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
2794 rtsp_demuxer_select="http_protocol rtpdec"
2795 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2796 sap_demuxer_select="sdp_demuxer"
2797 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2798 sdp_demuxer_select="rtpdec"
2799 smoothstreaming_muxer_select="ismv_muxer"
2800 spdif_muxer_select="aac_parser"
2801 spx_muxer_select="ogg_muxer"
2802 swf_demuxer_suggest="zlib"
2803 tak_demuxer_select="tak_parser"
2804 tg2_muxer_select="mov_muxer"
2805 tgp_muxer_select="mov_muxer"
2806 vobsub_demuxer_select="mpegps_demuxer"
2807 w64_demuxer_select="wav_demuxer"
2808 w64_muxer_select="wav_muxer"
2809 wav_demuxer_select="riffdec"
2810 wav_muxer_select="riffenc"
2811 webm_muxer_select="iso_media riffenc"
2812 webm_dash_manifest_demuxer_select="matroska_demuxer"
2813 wtv_demuxer_select="mpegts_demuxer riffdec"
2814 wtv_muxer_select="mpegts_muxer riffenc"
2815 xmv_demuxer_select="riffdec"
2816 xwma_demuxer_select="riffdec"
2819 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2820 alsa_outdev_deps="alsa_asoundlib_h"
2821 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2822 avfoundation_indev_select="avfoundation"
2823 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2824 caca_outdev_deps="libcaca"
2825 decklink_indev_deps="decklink pthreads"
2826 decklink_indev_extralibs="-lstdc++"
2827 decklink_outdev_deps="decklink pthreads"
2828 decklink_outdev_extralibs="-lstdc++"
2829 dshow_indev_deps="IBaseFilter"
2830 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
2831 dv1394_indev_deps="dv1394"
2832 dv1394_indev_select="dv_demuxer"
2833 fbdev_indev_deps="linux_fb_h"
2834 fbdev_outdev_deps="linux_fb_h"
2835 gdigrab_indev_deps="CreateDIBSection"
2836 gdigrab_indev_extralibs="-lgdi32"
2837 gdigrab_indev_select="bmp_decoder"
2838 iec61883_indev_deps="libiec61883"
2839 jack_indev_deps="jack_jack_h"
2840 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
2841 lavfi_indev_deps="avfilter"
2842 libcdio_indev_deps="libcdio"
2843 libdc1394_indev_deps="libdc1394"
2844 libv4l2_indev_deps="libv4l2"
2845 openal_indev_deps="openal"
2846 opengl_outdev_deps="opengl"
2847 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2848 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2849 pulse_indev_deps="libpulse"
2850 pulse_outdev_deps="libpulse"
2851 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2852 qtkit_indev_select="qtkit"
2853 sdl_outdev_deps="sdl"
2854 sndio_indev_deps="sndio_h"
2855 sndio_outdev_deps="sndio_h"
2856 v4l_indev_deps="linux_videodev_h"
2857 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2858 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2859 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2860 vfwcap_indev_extralibs="-lavicap32"
2861 x11grab_indev_deps="x11grab"
2862 x11grab_xcb_indev_deps="libxcb"
2863 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2864 xv_outdev_extralibs="-lXv -lX11 -lXext"
2867 async_protocol_deps="threads"
2868 bluray_protocol_deps="libbluray"
2869 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2870 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2871 ffrtmpcrypt_protocol_select="tcp_protocol"
2872 ffrtmphttp_protocol_deps="!librtmp_protocol"
2873 ffrtmphttp_protocol_select="http_protocol"
2874 ftp_protocol_select="tcp_protocol"
2875 gopher_protocol_select="network"
2876 http_protocol_select="tcp_protocol"
2877 httpproxy_protocol_select="tcp_protocol"
2878 https_protocol_select="tls_protocol"
2879 icecast_protocol_select="http_protocol"
2880 librtmp_protocol_deps="librtmp"
2881 librtmpe_protocol_deps="librtmp"
2882 librtmps_protocol_deps="librtmp"
2883 librtmpt_protocol_deps="librtmp"
2884 librtmpte_protocol_deps="librtmp"
2885 libsmbclient_protocol_deps="libsmbclient gplv3"
2886 libssh_protocol_deps="libssh"
2887 mmsh_protocol_select="http_protocol"
2888 mmst_protocol_select="network"
2889 rtmp_protocol_deps="!librtmp_protocol"
2890 rtmp_protocol_select="tcp_protocol"
2891 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2892 rtmps_protocol_deps="!librtmp_protocol"
2893 rtmps_protocol_select="tls_protocol"
2894 rtmpt_protocol_select="ffrtmphttp_protocol"
2895 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2896 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2897 rtp_protocol_select="udp_protocol"
2898 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
2899 sctp_protocol_select="network"
2900 srtp_protocol_select="rtp_protocol srtp"
2901 tcp_protocol_select="network"
2902 tls_gnutls_protocol_deps="gnutls !tls_schannel_protocol !tls_securetransport_protocol"
2903 tls_gnutls_protocol_select="tcp_protocol"
2904 tls_openssl_protocol_deps="openssl !tls_schannel_protocol !tls_securetransport_protocol !tls_gnutls_protocol"
2905 tls_openssl_protocol_select="tcp_protocol"
2906 tls_schannel_protocol_deps="schannel"
2907 tls_schannel_protocol_select="tcp_protocol"
2908 tls_securetransport_protocol_deps="securetransport"
2909 tls_securetransport_protocol_select="tcp_protocol"
2910 tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
2911 udp_protocol_select="network"
2912 udplite_protocol_select="network"
2913 unix_protocol_deps="sys_un_h"
2914 unix_protocol_select="network"
2917 afftfilt_filter_deps="avcodec"
2918 afftfilt_filter_select="fft"
2919 amovie_filter_deps="avcodec avformat"
2920 aresample_filter_deps="swresample"
2921 ass_filter_deps="libass"
2922 asyncts_filter_deps="avresample"
2923 atempo_filter_deps="avcodec"
2924 atempo_filter_select="rdft"
2925 azmq_filter_deps="libzmq"
2926 blackframe_filter_deps="gpl"
2927 boxblur_filter_deps="gpl"
2928 bs2b_filter_deps="libbs2b"
2929 colormatrix_filter_deps="gpl"
2930 cover_rect_filter_deps="avcodec avformat gpl"
2931 cropdetect_filter_deps="gpl"
2932 delogo_filter_deps="gpl"
2933 deshake_filter_select="pixelutils"
2934 drawtext_filter_deps="libfreetype"
2935 ebur128_filter_deps="gpl"
2936 eq_filter_deps="gpl"
2937 fftfilt_filter_deps="avcodec"
2938 fftfilt_filter_select="rdft"
2939 find_rect_filter_deps="avcodec avformat gpl"
2940 firequalizer_filter_deps="avcodec"
2941 firequalizer_filter_select="rdft"
2942 flite_filter_deps="libflite"
2943 frei0r_filter_deps="frei0r dlopen"
2944 frei0r_src_filter_deps="frei0r dlopen"
2945 fspp_filter_deps="gpl"
2946 geq_filter_deps="gpl"
2947 histeq_filter_deps="gpl"
2948 hqdn3d_filter_deps="gpl"
2949 hwupload_cuda_filter_deps="cuda"
2950 interlace_filter_deps="gpl"
2951 kerndeint_filter_deps="gpl"
2952 ladspa_filter_deps="ladspa dlopen"
2953 mcdeint_filter_deps="avcodec gpl"
2954 movie_filter_deps="avcodec avformat"
2955 mpdecimate_filter_deps="gpl"
2956 mpdecimate_filter_select="pixelutils"
2957 mptestsrc_filter_deps="gpl"
2958 negate_filter_deps="lut_filter"
2959 nnedi_filter_deps="gpl"
2960 ocr_filter_deps="libtesseract"
2961 ocv_filter_deps="libopencv"
2962 owdenoise_filter_deps="gpl"
2963 pan_filter_deps="swresample"
2964 perspective_filter_deps="gpl"
2965 phase_filter_deps="gpl"
2966 pp7_filter_deps="gpl"
2967 pp_filter_deps="gpl postproc"
2968 pullup_filter_deps="gpl"
2969 removelogo_filter_deps="avcodec avformat swscale"
2970 repeatfields_filter_deps="gpl"
2971 resample_filter_deps="avresample"
2972 rubberband_filter_deps="librubberband"
2973 sab_filter_deps="gpl swscale"
2974 scale2ref_filter_deps="swscale"
2975 scale_filter_deps="swscale"
2976 select_filter_select="pixelutils"
2977 showcqt_filter_deps="avcodec avformat swscale"
2978 showcqt_filter_select="fft"
2979 showfreqs_filter_deps="avcodec"
2980 showfreqs_filter_select="fft"
2981 showspectrum_filter_deps="avcodec"
2982 showspectrum_filter_select="fft"
2983 showspectrumpic_filter_deps="avcodec"
2984 showspectrumpic_filter_select="fft"
2985 smartblur_filter_deps="gpl swscale"
2986 sofalizer_filter_deps="netcdf avcodec"
2987 sofalizer_filter_select="fft"
2988 spectrumsynth_filter_deps="avcodec"
2989 spectrumsynth_filter_select="fft"
2990 spp_filter_deps="gpl avcodec"
2991 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
2992 stereo3d_filter_deps="gpl"
2993 subtitles_filter_deps="avformat avcodec libass"
2994 super2xsai_filter_deps="gpl"
2995 pixfmts_super2xsai_test_deps="super2xsai_filter"
2996 tinterlace_filter_deps="gpl"
2997 tinterlace_merge_test_deps="tinterlace_filter"
2998 tinterlace_pad_test_deps="tinterlace_filter"
2999 uspp_filter_deps="gpl avcodec"
3000 vidstabdetect_filter_deps="libvidstab"
3001 vidstabtransform_filter_deps="libvidstab"
3002 zmq_filter_deps="libzmq"
3003 zoompan_filter_deps="swscale"
3004 zscale_filter_deps="libzimg"
3005 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3008 avcodec_example_deps="avcodec avutil"
3009 avio_dir_cmd="avformat avutil"
3010 avio_reading="avformat avcodec avutil"
3011 decoding_encoding_example_deps="avcodec avformat avutil"
3012 demuxing_decoding_example_deps="avcodec avformat avutil"
3013 extract_mvs_example_deps="avcodec avformat avutil"
3014 filter_audio_example_deps="avfilter avutil"
3015 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3016 filtering_video_example_deps="avfilter avcodec avformat avutil"
3017 metadata_example_deps="avformat avutil"
3018 muxing_example_deps="avcodec avformat avutil swscale"
3019 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
3020 remuxing_example_deps="avcodec avformat avutil"
3021 resampling_audio_example_deps="avutil swresample"
3022 scaling_video_example_deps="avutil swscale"
3023 transcode_aac_example_deps="avcodec avformat swresample"
3024 transcoding_example_deps="avfilter avcodec avformat avutil"
3026 # libraries, in linking order
3027 avcodec_deps="avutil"
3028 avdevice_deps="avformat avcodec avutil"
3029 avfilter_deps="avutil"
3030 avformat_deps="avcodec avutil"
3031 avresample_deps="avutil"
3032 postproc_deps="avutil gpl"
3033 swresample_deps="avutil"
3034 swscale_deps="avutil"
3037 ffmpeg_deps="avcodec avfilter avformat swresample"
3038 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3040 setpts_filter trim_filter"
3041 ffplay_deps="avcodec avformat swscale swresample sdl"
3042 ffplay_libs='$sdl_libs'
3043 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3044 ffprobe_deps="avcodec avformat"
3045 ffserver_deps="avformat fork sarestart"
3046 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
3049 podpages_deps="perl"
3050 manpages_deps="perl pod2man"
3051 htmlpages_deps="perl"
3052 htmlpages_deps_any="makeinfo_html texi2html"
3053 txtpages_deps="perl makeinfo"
3054 doc_deps_any="manpages htmlpages podpages txtpages"
3056 # default parameters
3058 logfile="config.log"
3060 # installation paths
3061 prefix_default="/usr/local"
3062 bindir_default='${prefix}/bin'
3063 datadir_default='${prefix}/share/ffmpeg'
3064 docdir_default='${prefix}/share/doc/ffmpeg'
3065 incdir_default='${prefix}/include'
3066 libdir_default='${prefix}/lib'
3067 mandir_default='${prefix}/share/man'
3073 host_cc_default="gcc"
3075 doxygen_default="doxygen"
3080 pkg_config_default=pkg-config
3081 ranlib_default="ranlib"
3082 strip_default="strip"
3083 yasmexe_default="yasm"
3084 windres_default="windres"
3087 target_os_default=$(tolower $(uname -s))
3088 host_os=$target_os_default
3091 if test "$target_os_default" = aix; then
3092 arch_default=$(uname -p)
3093 strip_default="strip -X32_64"
3095 arch_default=$(uname -m)
3100 # configurable options
3101 enable $PROGRAM_LIST
3102 enable $DOCUMENT_LIST
3103 enable $EXAMPLE_LIST
3104 enable $(filter_out avresample $LIBRARY_LIST)
3110 enable faan faandct faanidct
3111 enable optimizations
3112 enable runtime_cpudetect
3113 enable safe_bitstream_reader
3115 enable swscale_alpha
3116 enable valgrind_backtrace
3118 sws_max_filter_size_default=256
3119 set_default sws_max_filter_size
3121 # Enable platform codecs by default.
3124 # Enable hwaccels by default.
3125 enable d3d11va dxva2 vaapi vda vdpau videotoolbox_hwaccel xvmc
3128 enable vda_framework videotoolbox videotoolbox_encoder
3131 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3134 FULLNAME='$(NAME)$(BUILDSUF)'
3135 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3138 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3139 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3140 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3141 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3142 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3143 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3168 host_cflags_filter=echo
3169 host_ldflags_filter=echo
3171 target_path='$(CURDIR)'
3173 # since the object filename is not given with the -MM flag, the compiler
3174 # is only able to print the basename, and we must add the path ourselves
3175 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3179 if test -f configure; then
3182 source_path=$(cd $(dirname "$0"); pwd)
3183 case "$source_path" in
3184 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3186 test -e "$source_path/config.h" &&
3187 die "Out of tree builds are impossible with config.h in source dir."
3194 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3200 file=$source_path/$3
3201 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3204 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
3205 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
3206 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
3207 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
3208 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
3209 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
3210 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
3211 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
3212 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3214 find_things_extern(){
3217 file=$source_path/$3
3218 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
3221 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3222 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3238 for n in $COMPONENT_LIST; do
3239 v=$(toupper ${n%s})_LIST
3241 eval ${n}_if_any="\$$v"
3244 enable $ARCH_EXT_LIST
3247 echo "Unknown option \"$1\"."
3248 echo "See $0 --help for available options."
3252 print_in_columns() {
3253 cols=$(expr $ncols / 24)
3254 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3260 echo $* | sed s/$suffix//g | print_in_columns
3272 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3273 echo "prob ${prob:-0.5}"
3281 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3282 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3291 --extra-ldexeflags=*)
3292 add_ldexeflags $optval
3294 --extra-ldlibflags=*)
3295 add_ldlibflags $optval
3298 add_extralibs $optval
3301 disable $INDEV_LIST $OUTDEV_LIST
3304 debuglevel="$optval"
3307 disable $PROGRAM_LIST
3309 --disable-everything)
3310 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3313 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3314 disable $LIBRARY_LIST $PROGRAM_LIST doc
3317 --enable-random|--disable-random)
3318 action=${opt%%-random}
3319 do_random ${action#--} $COMPONENT_LIST
3321 --enable-random=*|--disable-random=*)
3322 action=${opt%%-random=*}
3323 do_random ${action#--} $optval
3325 --enable-*=*|--disable-*=*)
3326 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3327 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3328 eval list=\$$(toupper $thing)_LIST
3329 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3330 list=$(filter "$name" $list)
3331 [ "$list" = "" ] && warn "Option $opt did not match anything"
3334 --enable-?*|--disable-?*)
3335 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3336 if is_in $option $COMPONENT_LIST; then
3337 test $action = disable && action=unset
3338 eval $action \$$(toupper ${option%s})_LIST
3339 elif is_in $option $CMDLINE_SELECT; then
3346 NAME="${opt#--list-}"
3347 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3349 eval show_list $NAME \$$(toupper $NAME)_LIST
3351 --help|-h) show_help
3353 --fatal-warnings) enable fatal_warnings
3356 optname="${opt%%=*}"
3357 optname="${optname#--}"
3358 optname=$(echo "$optname" | sed 's/-/_/g')
3359 if is_in $optname $CMDLINE_SET; then
3360 eval $optname='$optval'
3361 elif is_in $optname $CMDLINE_APPEND; then
3362 append $optname "$optval"
3374 disabled logging && logfile=/dev/null
3376 # Disable all the library-specific components if the library itself
3377 # is disabled, see AVCODEC_LIST and following _LIST variables.
3379 disable_components(){
3380 disabled ${1} && disable $(
3381 eval components="\$$(toupper ${1})_COMPONENTS"
3382 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3386 map 'disable_components $v' $LIBRARY_LIST
3388 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3391 test -n "$valgrind" && toolchain="valgrind-memcheck"
3393 case "$toolchain" in
3395 cc_default="${toolchain%-asan}"
3396 add_cflags -fsanitize=address
3397 add_ldflags -fsanitize=address
3400 cc_default="${toolchain%-msan}"
3401 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
3402 add_ldflags -fsanitize=memory
3405 cc_default="${toolchain%-tsan}"
3406 add_cflags -fsanitize=thread -pie
3407 add_ldflags -fsanitize=thread -pie
3408 case "$toolchain" in
3416 cc_default="${toolchain%-usan}"
3417 add_cflags -fsanitize=undefined
3418 add_ldflags -fsanitize=undefined
3421 target_exec_default="valgrind"
3422 case "$toolchain" in
3424 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
3427 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3432 # Check whether the current MSVC version needs the C99 converter.
3433 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3434 # support enough of C99 to build ffmpeg. Default to the new
3435 # behaviour if the regexp was unable to match anything, since this
3436 # successfully parses the version number of existing supported
3437 # versions that require the converter (MSVC 2010 and 2012).
3438 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3439 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3442 cc_default="c99wrap cl"
3444 ld_default="$source_path/compat/windows/mslink"
3445 nm_default="dumpbin -symbols"
3452 target_os_default="win32"
3453 # Use a relative path for TMPDIR. This makes sure all the
3454 # ffconf temp files are written with a relative path, avoiding
3455 # issues with msys/win32 path conversion for MSVC parameters
3456 # such as -Fo<file> or -out:<file>.
3462 nm_default="dumpbin -symbols"
3464 target_os_default="win32"
3468 add_cflags -fprofile-arcs -ftest-coverage
3469 add_ldflags -fprofile-arcs -ftest-coverage
3472 add_cflags -fprofile-arcs -ftest-coverage
3473 add_ldflags --coverage
3476 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3477 add_cflags -fno-strict-overflow -fstack-protector-all
3478 add_ldflags -Wl,-z,relro -Wl,-z,now
3481 die "Unknown toolchain $toolchain"
3485 test -n "$cross_prefix" && enable cross_compile
3487 if enabled cross_compile; then
3488 test -n "$arch" && test -n "$target_os" ||
3489 die "Must specify target arch and OS when cross-compiling"
3492 ar_default="${cross_prefix}${ar_default}"
3493 cc_default="${cross_prefix}${cc_default}"
3494 cxx_default="${cross_prefix}${cxx_default}"
3495 nm_default="${cross_prefix}${nm_default}"
3496 pkg_config_default="${cross_prefix}${pkg_config_default}"
3497 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3498 ranlib_default="${cross_prefix}${ranlib_default} -D"
3500 ranlib_default="${cross_prefix}${ranlib_default}"
3502 strip_default="${cross_prefix}${strip_default}"
3503 windres_default="${cross_prefix}${windres_default}"
3505 sysinclude_default="${sysroot}/usr/include"
3507 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3508 target_exec target_os yasmexe
3509 enabled cross_compile || host_cc_default=$cc
3512 pkg_config_fail_message=""
3513 if ! $pkg_config --version >/dev/null 2>&1; then
3514 warn "$pkg_config not found, library detection may fail."
3516 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3517 pkg_config_fail_message="
3518 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3521 if test $doxygen != $doxygen_default && \
3522 ! $doxygen --version >/dev/null 2>&1; then
3523 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3528 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3532 EXESUF=$(exesuf $target_os)
3533 HOSTEXESUF=$(exesuf $host_os)
3535 # set temporary file name
3536 : ${TMPDIR:=$TEMPDIR}
3540 if [ -n "$tempprefix" ] ; then
3542 echo $tempprefix.${HOSTNAME}.${UID}
3544 elif ! check_cmd mktemp -u XXXXXX; then
3545 # simple replacement for missing mktemp
3546 # NOT SAFE FOR GENERAL USE
3548 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3553 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3554 (set -C; exec > $tmp) 2>/dev/null ||
3555 die "Unable to create temporary file in $TMPDIR."
3556 append TMPFILES $tmp
3560 trap 'rm -f -- $TMPFILES' EXIT
3565 tmpfile TMPE $EXESUF
3577 # make sure we can execute files in $TMPDIR
3578 cat > $TMPSH 2>> $logfile <<EOF
3581 chmod +x $TMPSH >> $logfile 2>&1
3582 if ! $TMPSH >> $logfile 2>&1; then
3584 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3585 variable to another directory and make sure that it is not mounted noexec.
3587 die "Sanity test failed."
3593 # Filter out MSVC cl.exe options from cflags that shouldn't
3594 # be passed to gas-preprocessor
3604 -std=c99) echo -c99 ;;
3605 -mcpu=*) echo -arch ${flag#*=} ;;
3606 -mieee) echo -ieee ;;
3607 -O*|-fast) echo $flag ;;
3608 -fno-math-errno) echo -assume nomath_errno ;;
3610 -Wall) echo -msg_enable level2 ;;
3611 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3612 -Wl,*) echo $flag ;;
3622 -Wno-switch) echo -Wno-switch-enum ;;
3623 -Wno-format-zero-length) ;;
3624 -Wdisabled-optimization) ;;
3625 -Wno-pointer-sign) echo -Wno-other ;;
3631 msvc_common_flags(){
3634 # In addition to specifying certain flags under the compiler
3635 # specific filters, they must be specified here as well or else the
3636 # generic catch all at the bottom will print the original flag.
3640 -fomit-frame-pointer) ;;
3644 -fno-signed-zeros) ;;
3648 -lz) echo zlib.lib ;;
3649 -lavifil32) echo vfw32.lib ;;
3650 -lavicap32) echo vfw32.lib user32.lib ;;
3651 -lx264) echo libx264.lib ;;
3652 -l*) echo ${flag#-l}.lib ;;
3653 -LARGEADDRESSAWARE) echo $flag ;;
3654 -L*) echo -libpath:${flag#-L} ;;
3661 msvc_common_flags "$@"
3664 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3665 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3666 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3668 -wd4273 -wd4554 -wd4701 ;;
3674 msvc_common_flags "$@"
3677 # Despite what Intel's documentation says -Wall, which is supported
3678 # on Windows, does enable remarks so disable them here.
3679 -Wall) echo $flag -Qdiag-disable:remark ;;
3680 -std=c99) echo -Qstd=c99 ;;
3698 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3699 -fomit-frame-pointer) echo -Mnoframe ;;
3710 case "${flag#*=}" in
3711 native) echo -xtarget=native ;;
3712 v9|niagara) echo -xarch=sparc ;;
3713 ultrasparc) echo -xarch=sparcvis ;;
3714 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3715 i586|pentium) echo -xchip=pentium ;;
3716 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3717 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3718 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3719 pentium4*) echo -xtarget=pentium4 ;;
3720 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3721 *-sse3) echo -xarch=sse3 ;;
3722 core2) echo -xarch=ssse3 -xchip=core2 ;;
3723 bonnell) echo -xarch=ssse3 ;;
3724 corei7|nehalem) echo -xtarget=nehalem ;;
3725 westmere) echo -xtarget=westmere ;;
3726 silvermont) echo -xarch=sse4_2 ;;
3727 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3728 core-avx*|ivybridge|haswell|broadwell)
3730 amdfam10|barcelona) echo -xtarget=barcelona ;;
3731 btver1) echo -xarch=amdsse4a ;;
3732 btver2|bdver*) echo -xarch=avx ;;
3733 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3734 k8|opteron|athlon64|athlon-fx)
3735 echo -xarch=sse2a ;;
3736 athlon*) echo -xarch=pentium_proa ;;
3739 -std=c99) echo -xc99 ;;
3740 -fomit-frame-pointer) echo -xregs=frameptr ;;
3741 -fPIC) echo -KPIC -xcode=pic32 ;;
3742 -W*,*) echo $flag ;;
3743 -f*-*|-W*|-mimpure-text) ;;
3754 case "${flag#*=}" in
3755 armv7-a|cortex-a*) echo -mv=7a8 ;;
3756 armv7-r|cortex-r*) echo -mv=7r4 ;;
3757 armv7-m|cortex-m*) echo -mv=7m3 ;;
3758 armv6*|arm11*) echo -mv=6 ;;
3759 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3761 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3764 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3765 -mfpu=vfp) echo --float_support=vfpv2 ;;
3766 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3767 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3768 -msoft-float) echo --float_support=vfplib ;;
3769 -O[0-3]|-mf=*) echo $flag ;;
3771 -pds=*) echo $flag ;;
3772 -D*|-I*) echo $flag ;;
3773 --gcc|--abi=*) echo $flag ;;
3784 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3785 unset _ld_o _ldflags _ld_lib _ld_path
3786 unset _depflags _DEPCMD _DEPFLAGS
3789 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3790 true # no-op to avoid reading stdin in following checks
3791 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3793 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3794 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3795 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3798 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3800 gcc_version=$($_cc --version | head -n1)
3801 gcc_basever=$($_cc -dumpversion)
3802 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3803 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3804 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3805 case $gcc_basever in
3808 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
3810 if [ "$first" = true ]; then
3811 case $gcc_basever in
3813 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
3818 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3820 _ident=$($_cc --version | head -n1)
3825 _flags_filter=icc_flags
3826 elif $_cc -v 2>&1 | grep -q xlc; then
3828 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3830 _cflags_size='-O5 -qcompact'
3831 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3833 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3835 _cflags_speed='-fast'
3837 _flags_filter=ccc_flags
3838 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3839 test -d "$sysroot" || die "No valid sysroot specified."
3841 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3842 armcc_conf="$PWD/armcc.conf"
3843 $_cc --arm_linux_configure \
3844 --arm_linux_config_file="$armcc_conf" \
3845 --configure_sysroot="$sysroot" \
3846 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3847 die "Error creating armcc configuration file."
3848 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3849 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3850 as_default="${cross_prefix}gcc"
3854 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3856 _ident=$($_cc -version | head -n1 | tr -s ' ')
3857 _flags='--gcc --abi=eabi -me'
3860 _depflags='-ppa -ppd=$(@:.o=.d)'
3861 _cflags_speed='-O3 -mf=5'
3862 _cflags_size='-O3 -mf=2'
3863 _flags_filter=tms470_flags
3864 elif $_cc -v 2>&1 | grep -q clang; then
3866 _ident=$($_cc --version 2>/dev/null | head -n1)
3867 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3870 elif $_cc -V 2>&1 | grep -q Sun; then
3872 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3873 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3874 _DEPFLAGS='-xM1 -xc99'
3877 _cflags_size='-O5 -xspace'
3878 _flags_filter=suncc_flags
3879 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3881 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3882 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3885 _flags_filter='filter_out -Wdisabled-optimization'
3886 elif $_cc -v 2>&1 | grep -q Open64; then
3888 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3889 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3892 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3893 elif $_cc -V 2>&1 | grep -q Portland; then
3895 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3896 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3897 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3898 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3900 _flags_filter=pgi_flags
3901 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3903 _ident=$($_cc | head -n1)
3904 # 4509: "This form of conditional instruction is deprecated"
3905 _flags="-nologo -ignore 4509"
3906 _flags_filter=armasm_flags
3907 elif $_cc 2>&1 | grep -q Intel; then
3909 _ident=$($_cc 2>&1 | head -n1)
3910 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3911 # Not only is O3 broken on 13.x+ but it is slower on all previous
3912 # versions (tested) as well.
3914 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3915 if $_cc 2>&1 | grep -q Linker; then
3922 _flags_filter=icl_flags
3924 _ld_path='-libpath:'
3925 # -Qdiag-error to make icl error when seeing certain unknown arguments
3926 _flags='-nologo -Qdiag-error:4044,10157'
3927 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3928 # with MSVC which enables it by default.
3929 _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3931 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3933 _ident=$($_cc 2>&1 | head -n1)
3934 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3935 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3938 if $_cc -nologo- 2>&1 | grep -q Linker; then
3945 _flags_filter=msvc_flags
3947 _ld_path='-libpath:'
3949 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS'
3951 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3953 _ident=$($_cc --version | head -n1)
3957 _flags_filter=cparser_flags
3960 eval ${pfx}_type=\$_type
3961 eval ${pfx}_ident=\$_ident
3965 eval ${1}_C=\${_cc_c-\${${1}_C}}
3966 eval ${1}_E=\${_cc_e-\${${1}_E}}
3967 eval ${1}_O=\${_cc_o-\${${1}_O}}
3969 if [ -n "$_depflags" ]; then
3970 eval ${1}_DEPFLAGS=\$_depflags
3972 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3973 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3974 eval DEP${1}FLAGS=\$_flags
3978 probe_cc cc "$cc" "true"
3979 cflags_filter=$_flags_filter
3980 cflags_speed=$_cflags_speed
3981 cflags_size=$_cflags_size
3982 cflags_noopt=$_cflags_noopt
3983 add_cflags $_flags $_cflags
3984 cc_ldflags=$_ldflags
3987 probe_cc hostcc "$host_cc"
3988 host_cflags_filter=$_flags_filter
3989 add_host_cflags $_flags $_cflags
3992 test -n "$cc_type" && enable $cc_type ||
3993 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3995 : ${as_default:=$cc}
3996 : ${objcc_default:=$cc}
3997 : ${dep_cc_default:=$cc}
3998 : ${ld_default:=$cc}
3999 : ${host_ld_default:=$host_cc}
4000 set_default ar as objcc dep_cc ld host_ld windres
4003 asflags_filter=$_flags_filter
4004 add_asflags $_flags $_cflags
4007 probe_cc objcc "$objcc"
4008 objcflags_filter=$_flags_filter
4009 add_objcflags $_flags $_cflags
4013 ldflags_filter=$_flags_filter
4014 add_ldflags $_flags $_ldflags
4015 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
4017 LD_LIB=${_ld_lib-$LD_LIB}
4018 LD_PATH=${_ld_path-$LD_PATH}
4020 probe_cc hostld "$host_ld"
4021 host_ldflags_filter=$_flags_filter
4022 add_host_ldflags $_flags $_ldflags
4023 HOSTLD_O=${_ld_o-$HOSTLD_O}
4025 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
4026 probe_cc depcc "$dep_cc"
4027 CCDEP=${_DEPCMD:-$DEPCMD}
4028 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
4032 if $ar 2>&1 | grep -q Microsoft; then
4035 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
4038 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
4039 arflags='-Xany -r -c'
4041 elif $ar 2>&1 | grep -q "\[D\] "; then
4049 add_cflags $extra_cflags
4050 add_cxxflags $extra_cxxflags
4051 add_objcflags $extra_objcflags
4052 add_asflags $extra_cflags
4054 if test -n "$sysroot"; then
4057 add_cppflags --sysroot="$sysroot"
4058 add_ldflags --sysroot="$sysroot"
4059 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
4060 add_cppflags -isysroot "$sysroot"
4061 add_ldflags -isysroot "$sysroot"
4064 add_cppflags -I"$sysinclude"
4065 add_ldflags --sysroot="$sysroot"
4070 if test "$cpu" = host; then
4071 enabled cross_compile &&
4072 die "--cpu=host makes no sense when cross-compiling."
4077 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4079 s/.*$1=\\([^ ]*\\).*/\\1/
4084 cpu=$(check_native -march || check_native -mcpu)
4088 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4089 sed -n "/cc1.*-target-cpu /{
4090 s/.*-target-cpu \\([^ ]*\\).*/\\1/
4095 cpu=$(check_native -march)
4099 test "${cpu:-host}" = host &&
4100 die "--cpu=host not supported with compiler $cc"
4103 # Deal with common $arch aliases
4127 "Power Macintosh"|ppc*|powerpc*)
4142 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
4147 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
4150 # Add processor-specific flags
4151 if enabled aarch64; then
4155 cpuflags="-march=$cpu"
4158 cpuflags="-mcpu=$cpu"
4162 elif enabled alpha; then
4164 cpuflags="-mcpu=$cpu"
4166 elif enabled arm; then
4169 check_cpp_condition stddef.h \
4170 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4175 if check_arm_arch 4; then echo armv4;
4176 elif check_arm_arch 4T; then echo armv4t;
4177 elif check_arm_arch 5; then echo armv5;
4178 elif check_arm_arch 5E; then echo armv5e;
4179 elif check_arm_arch 5T; then echo armv5t;
4180 elif check_arm_arch 5TE; then echo armv5te;
4181 elif check_arm_arch 5TEJ; then echo armv5te;
4182 elif check_arm_arch 6; then echo armv6;
4183 elif check_arm_arch 6J; then echo armv6j;
4184 elif check_arm_arch 6K; then echo armv6k;
4185 elif check_arm_arch 6Z; then echo armv6z;
4186 elif check_arm_arch 6ZK; then echo armv6zk;
4187 elif check_arm_arch 6T2; then echo armv6t2;
4188 elif check_arm_arch 7; then echo armv7;
4189 elif check_arm_arch 7A 7_A; then echo armv7-a;
4190 elif check_arm_arch 7S; then echo armv7-a;
4191 elif check_arm_arch 7R 7_R; then echo armv7-r;
4192 elif check_arm_arch 7M 7_M; then echo armv7-m;
4193 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
4194 elif check_arm_arch 8A 8_A; then echo armv8-a;
4198 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4202 cpuflags="-march=$cpu"
4203 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4206 cpuflags="-mcpu=$cpu"
4208 cortex-a*) subarch=armv7a ;;
4209 cortex-r*) subarch=armv7r ;;
4210 cortex-m*) enable thumb; subarch=armv7m ;;
4211 arm11*) subarch=armv6 ;;
4212 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4213 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4214 *) subarch=$(probe_arm_arch) ;;
4220 armv5t*) enable fast_clz ;;
4223 disabled fast_unaligned || enable fast_unaligned
4227 elif enabled avr32; then
4232 cpuflags="-mpart=$cpu"
4236 cpuflags="-march=$cpu"
4240 cpuflags="-mcpu=$cpu"
4244 cpuflags="-march=$cpu"
4248 elif enabled bfin; then
4250 cpuflags="-mcpu=$cpu"
4252 elif enabled mips; then
4254 cpuflags="-march=$cpu"
4256 if [ "$cpu" != "generic" ]; then
4266 24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)
4277 enable local_aligned_8 local_aligned_16 local_aligned_32
4278 enable simd_align_16
4282 enable fast_unaligned
4283 disable aligned_stack
4286 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4289 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4292 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4297 # Unknown CPU. Disable everything.
4298 warn "unknown CPU. Disabling all MIPS optimizations."
4321 24kef*|34kf*|1004kf*)
4329 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"
4333 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4337 # We do not disable anything. Is up to the user to disable the unwanted features.
4338 warn 'generic cpu selected'
4341 elif enabled ppc; then
4345 case $(tolower $cpu) in
4346 601|ppc601|powerpc601)
4347 cpuflags="-mcpu=601"
4350 603*|ppc603*|powerpc603*)
4351 cpuflags="-mcpu=603"
4354 604*|ppc604*|powerpc604*)
4355 cpuflags="-mcpu=604"
4358 g3|75*|ppc75*|powerpc75*)
4359 cpuflags="-mcpu=750"
4362 g4|745*|ppc745*|powerpc745*)
4363 cpuflags="-mcpu=7450"
4366 74*|ppc74*|powerpc74*)
4367 cpuflags="-mcpu=7400"
4370 g5|970|ppc970|powerpc970)
4371 cpuflags="-mcpu=970"
4375 cpuflags="-mcpu=$cpu"
4379 cpuflags="-mcpu=$cpu"
4382 cpuflags="-mcpu=cell"
4387 cpuflags="-mcpu=e500mc"
4391 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4396 cpuflags="-mcpu=8540 -mhard-float"
4402 elif enabled sparc; then
4405 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4406 cpuflags="-mcpu=$cpu"
4408 ultrasparc*|niagara[234])
4409 cpuflags="-mcpu=$cpu"
4413 elif enabled x86; then
4417 cpuflags="-march=$cpu"
4421 # targets that do NOT support nopl and conditional mov (cmov)
4422 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4423 cpuflags="-march=$cpu"
4426 # targets that do support nopl and conditional mov (cmov)
4427 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4428 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)
4429 cpuflags="-march=$cpu"
4433 # targets that do support conditional mov but on which it's slow
4434 pentium4|pentium4m|prescott|nocona)
4435 cpuflags="-march=$cpu"
4443 if [ "$cpu" != generic ]; then
4444 add_cflags $cpuflags
4445 add_asflags $cpuflags
4446 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4449 # compiler sanity check
4451 int main(void){ return 0; }
4453 if test "$?" != 0; then
4454 echo "$cc is unable to create an executable file."
4455 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4456 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4457 echo "Only do this if you know what cross compiling means."
4459 die "C compiler test failed."
4462 add_cppflags -D_ISOC99_SOURCE
4463 add_cxxflags -D__STDC_CONSTANT_MACROS
4464 check_cflags -std=c99
4465 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
4468 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
4472 add_host_cppflags -D_ISOC99_SOURCE
4473 check_host_cflags -std=c99
4474 check_host_cflags -Wall
4475 check_host_cflags -O3
4481 check_code cc "" "int test[2*($expr) - 1]" &&
4482 subarch=$arch64 || subarch=$arch32
4490 check_64bit mips mips64 '_MIPS_SIM > 1'
4494 check_64bit parisc parisc64 'sizeof(void *) > 4'
4498 check_64bit ppc ppc64 'sizeof(void *) > 4'
4502 check_64bit s390 s390x 'sizeof(void *) > 4'
4506 check_64bit sparc sparc64 'sizeof(void *) > 4'
4510 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4511 # Treat x32 as x64 for now. Note it also needs spic=$shared
4512 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4514 if test "$subarch" = "x86_64"; then
4519 check_cc <<EOF && subarch="ppc64"
4520 int test[(int)sizeof(char*) - 7];
4526 enabled spic && enable_weak pic
4532 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4533 enabled shared && add_ldflags -Wl,-brtl
4537 enable section_data_rel_ro
4538 SLIB_INSTALL_NAME='$(SLIBNAME)'
4540 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
4543 prefix_default="/boot/common"
4544 network_extralibs="-lnetwork"
4548 SHFLAGS='-shared -Wl,-h,$$(@F)'
4549 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
4550 network_extralibs="-lsocket -lnsl"
4551 add_cppflags -D__EXTENSIONS__
4552 # When using suncc to build, the Solaris linker will mark
4553 # an executable with each instruction set encountered by
4554 # the Solaris assembler. As our libraries contain their own
4555 # guards for processor-specific code, instead suppress
4556 # generation of the HWCAPS ELF section on Solaris x86 only.
4557 enabled_all suncc x86 &&
4558 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4559 add_ldflags -Wl,-M,mapfile
4560 nm_default='nm -P -g'
4561 SLIB_CREATE_DEF_CMD='$(Q)perl $(SRC_PATH)/compat/solaris/make_sunver.pl $$(filter %.ver,$$^) $(OBJS) | grep -v @ > $(SUBDIR)lib$(NAME).ver-sol2'
4565 oss_indev_extralibs="-lossaudio"
4566 oss_outdev_extralibs="-lossaudio"
4567 enabled gcc || check_ldflags -Wl,-zmuldefs
4572 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4574 oss_indev_extralibs="-lossaudio"
4575 oss_outdev_extralibs="-lossaudio"
4583 add_extralibs -lpoll -lgnugetopt
4587 enabled ppc && add_asflags -force_cpusubtype_ALL
4588 install_name_dir_default='$(SHLIBDIR)'
4589 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4590 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4592 add_ldflags -Wl,-dynamic,-search_paths_first
4594 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4595 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4597 enabled x86_64 && objformat="macho64"
4598 enabled_any pic shared x86_64 ||
4599 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4600 check_header dispatch/dispatch.h
4603 die "Native MSYS builds are discouraged, please use the MINGW environment.";
4606 if test $target_os = "mingw32ce"; then
4611 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
4612 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
4614 if enabled x86_64; then
4615 LIBTARGET="i386:x86-64"
4616 elif enabled arm; then
4619 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4620 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4621 shlibdir_default="$bindir_default"
4624 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4625 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4626 dlltool="${cross_prefix}dlltool"
4627 if check_cmd lib.exe -list; then
4628 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4629 if enabled x86_64; then
4632 elif check_cmd $dlltool --version; then
4633 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4635 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4637 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4638 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4639 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--disable-auto-image-base'
4643 check_ldflags -Wl,--nxcompat,--dynamicbase
4644 # Lets work around some stupidity in binutils.
4645 # ld will strip relocations from executables even though we need them
4646 # for dynamicbase (ASLR). Using -pie does retain the reloc section
4647 # however ld then forgets what the entry point should be (oops) so we
4648 # have to manually (re)set it.
4649 if enabled x86_32; then
4650 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
4651 elif enabled x86_64; then
4652 disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
4653 check_ldflags -Wl,--high-entropy-va # binutils 2.25
4654 # Set image base >4GB for extra entropy with HEASLR
4655 add_ldexeflags -Wl,--image-base,0x140000000
4656 append SHFLAGS -Wl,--image-base,0x180000000
4661 if enabled shared; then
4662 # Link to the import library instead of the normal static library
4665 # Cannot build both shared and static libs with MSVC or icl.
4668 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
4669 shlibdir_default="$bindir_default"
4672 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4673 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4674 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4675 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4677 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4678 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4679 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4686 shlibdir_default="$bindir_default"
4689 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4690 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4691 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4693 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4694 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4697 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4699 *-dos|freedos|opendos)
4700 network_extralibs="-lsocket"
4703 add_cppflags -U__STRICT_ANSI__
4707 enable section_data_rel_ro
4711 ranlib="echo ignoring ranlib"
4717 add_cppflags -D_GNU_SOURCE
4718 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4719 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4723 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4724 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4725 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4726 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4727 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4728 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4729 emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'
4730 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4731 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4732 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4734 enable_weak os2threads
4737 add_cppflags -D_BSD_SOURCE
4742 add_cppflags -D_QNX_SOURCE
4743 network_extralibs="-lsocket"
4748 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4749 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4750 add_ldflags -Wl,--target1-abs,--no-undefined \
4751 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4752 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4753 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4754 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4755 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4758 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4763 add_cppflags -D_C99_SNPRINTF_EXTENSION \
4764 -D_REENTRANT_SOURCE \
4765 -D_RESEARCH_SOURCE \
4768 add_compat strtod.o strtod=avpriv_strtod
4769 network_extralibs='-lbsd'
4770 exeobjs=compat/plan9/main.o
4777 die "Unknown OS '$target_os'."
4781 # test if creating links works
4782 link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)
4783 link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)
4785 $ln_s "$link_dest" "$link_name"
4786 touch "$link_dest/test_file"
4787 if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then
4788 # create link to source path
4789 [ -e src ] && rm src
4790 $ln_s "$source_path" src
4793 # creating directory links doesn't work
4794 # fall back to using the full source path
4795 source_link="$source_path"
4801 # determine libc flavour
4806 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4807 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4808 eval ${pfx}libc_type=uclibc
4809 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4810 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4811 eval ${pfx}libc_type=glibc
4812 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4813 # MinGW headers can be installed on Cygwin, so check for newlib first.
4814 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4815 eval ${pfx}libc_type=newlib
4816 add_${pfx}cppflags -U__STRICT_ANSI__
4817 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4818 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4819 eval ${pfx}libc_type=mingw64
4820 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
4821 add_compat msvcrt/snprintf.o
4822 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
4824 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4825 eval test \$${pfx_no_}cc_type = "gcc" &&
4826 add_${pfx}cppflags -D__printf__=__gnu_printf__
4827 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4828 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4829 eval ${pfx}libc_type=mingw32
4830 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4831 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4832 die "ERROR: MinGW32 runtime version must be >= 3.15."
4833 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4834 eval test \$${pfx_no_}cc_type = "gcc" &&
4835 add_${pfx}cppflags -D__printf__=__gnu_printf__
4836 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4837 eval ${pfx}libc_type=msvcrt
4838 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
4839 if [ "$pfx" = host_ ]; then
4840 add_host_cppflags -Dsnprintf=_snprintf
4842 add_compat strtod.o strtod=avpriv_strtod
4843 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4844 _snprintf=avpriv_snprintf \
4845 vsnprintf=avpriv_vsnprintf
4848 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4849 # 0x601 by default unless something else is set by the user.
4850 # This can easily lead to us detecting functions only present
4851 # in such new versions and producing binaries requiring windows 7.0.
4852 # Therefore explicitly set the default to XP unless the user has
4853 # set something else on the command line.
4854 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
4855 # family. For these cases, configure is free to use any functions
4856 # found in the SDK headers by default. (Alternatively, we could force
4857 # _WIN32_WINNT to 0x0602 in that case.)
4858 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4859 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }
4860 #ifdef WINAPI_FAMILY
4861 #include <winapifamily.h>
4862 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
4867 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4868 eval ${pfx}libc_type=klibc
4869 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4870 eval ${pfx}libc_type=bionic
4871 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4872 eval ${pfx}libc_type=solaris
4873 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4875 check_${pfx}cc <<EOF
4877 void *v = localtime_r;
4879 test "$?" != 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
4881 void *v = localtime_r;
4887 test -n "$libc_type" && enable libc_$libc_type
4889 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4893 add_compat strtod.o strtod=avpriv_strtod
4897 # hacks for compiler/libc/os combinations
4899 if enabled_all tms470 libc_glibc; then
4900 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4901 add_cppflags -D__USER_LABEL_PREFIX__=
4902 add_cppflags -D__builtin_memset=memset
4903 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4904 add_cflags -pds=48 # incompatible redefinition of macro
4907 if enabled_all ccc libc_glibc; then
4908 add_ldflags -Wl,-z,now # calls to libots crash without this
4911 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4912 add_cppflags '-I\$(SRC_PATH)/compat/float'
4915 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4918 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
4920 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4923 : ${shlibdir_default:="$libdir"}
4924 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
4926 set_default $PATHS_LIST
4929 # we need to build at least one lib type
4930 if ! enabled_any static shared; then
4932 At least one library type must be built.
4933 Specify --enable-static to build the static libraries or --enable-shared to
4934 build the shared libraries as well. To only build the shared libraries specify
4935 --disable-static in addition to --enable-shared.
4940 die_license_disabled() {
4941 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
4944 die_license_disabled_gpl() {
4945 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
4948 die_license_disabled gpl frei0r
4949 die_license_disabled gpl libcdio
4950 die_license_disabled gpl librubberband
4951 die_license_disabled gpl libsmbclient
4952 die_license_disabled gpl libutvideo
4953 die_license_disabled gpl libvidstab
4954 die_license_disabled gpl libx264
4955 die_license_disabled gpl libx265
4956 die_license_disabled gpl libxavs
4957 die_license_disabled gpl libxvid
4958 die_license_disabled gpl x11grab
4960 die_license_disabled nonfree cuda
4961 die_license_disabled nonfree libfaac
4962 die_license_disabled nonfree nvenc
4963 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
4964 enabled gpl && die_license_disabled_gpl nonfree openssl
4966 die_license_disabled version3 gmp
4967 die_license_disabled version3 libopencore_amrnb
4968 die_license_disabled version3 libopencore_amrwb
4969 die_license_disabled version3 libsmbclient
4970 die_license_disabled version3 libvo_amrwbenc
4972 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4974 disabled optimizations || check_cflags -fomit-frame-pointer
4977 disabled pic && return
4980 case "$target_os" in
4990 enabled pic && enable_weak_pic
4992 check_cc <<EOF || die "Symbol mangling check failed."
4995 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4996 extern_prefix=${sym%%ff_extern*}
4998 check_cc <<EOF && enable_weak inline_asm
4999 void foo(void) { __asm__ volatile ("" ::); }
5003 for restrict_keyword in restrict __restrict__ __restrict; do
5004 check_cc <<EOF && _restrict=$restrict_keyword && break
5005 void foo(char * $restrict_keyword p);
5009 check_cc <<EOF && enable pragma_deprecated
5010 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
5013 check_cc <<EOF && enable attribute_packed
5014 struct { int x; } __attribute__((packed)) x;
5017 check_cc <<EOF && enable attribute_may_alias
5018 union { int x; } __attribute__((may_alias)) x;
5021 check_cc <<EOF || die "endian test failed"
5022 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
5024 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
5026 if ! enabled ppc64 || enabled bigendian; then
5031 log "check_gas using '$as' as AS"
5032 # :vararg is used on aarch64, arm and ppc altivec
5033 check_as <<EOF || return 1
5034 .macro m n, y:vararg=0
5039 # .altmacro is only used in arm asm
5040 ! enabled arm || check_as <<EOF || return 1
5047 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
5049 enabled_any arm aarch64 && nogas=die
5050 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
5054 arm*) gaspp_as_type=armasm; as_noop=-h ;;
5055 gcc) gaspp_as_type=gas ;;
5056 *) gaspp_as_type=$as_type ;;
5059 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
5061 test "${as#*gas-preprocessor.pl}" != "$as" ||
5062 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
5063 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
5065 if ! check_gas ; then
5068 $nogas "GNU assembler not found, install/update gas-preprocessor"
5071 check_as <<EOF && enable as_func
5077 check_inline_asm inline_asm_labels '"1:\n"'
5079 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
5081 if enabled aarch64; then
5082 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
5083 # internal assembler in clang 3.3 does not support this instruction
5084 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
5085 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
5087 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
5089 elif enabled alpha; then
5093 elif enabled arm; then
5095 enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb
5097 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
5098 float func(float a, float b){ return a+b; }
5101 enabled thumb && check_cflags -mthumb || check_cflags -marm
5103 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
5105 elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
5107 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
5108 case "${cross_prefix:-$cc}" in
5109 *hardfloat*) enable vfp_args; fpabi=vfp ;;
5110 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
5111 __asm__ (".eabi_attribute 28, 1");
5112 int main(void) { return 0; }
5115 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
5118 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
5119 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
5120 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
5121 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
5122 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
5123 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
5124 enabled setend && check_insn setend 'setend be'
5126 [ $target_os = linux ] || [ $target_os = android ] ||
5127 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
5130 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
5132 check_as <<EOF && enable as_dn_directive
5137 # llvm's integrated assembler supports .object_arch from llvm 3.5
5138 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
5142 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
5144 elif enabled mips; then
5146 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
5147 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
5148 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
5150 # Enable minimum ISA based on selected options
5151 if enabled mips64; then
5152 enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'
5153 enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'
5154 disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'
5156 enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'
5157 enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'
5158 enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'
5159 disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'
5162 enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'
5163 enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'
5164 enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_header msa.h || disable msa
5165 enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'
5166 enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'
5168 elif enabled parisc; then
5170 if enabled gcc; then
5171 case $($cc -dumpversion) in
5172 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
5176 elif enabled ppc; then
5178 enable local_aligned_8 local_aligned_16 local_aligned_32
5180 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
5181 check_inline_asm ibm_asm '"add 0, 0, 0"'
5182 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
5183 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
5185 # AltiVec flags: The FSF version of GCC differs from the Apple version
5186 if enabled altivec; then
5187 check_cflags -maltivec -mabi=altivec &&
5188 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
5189 check_cflags -faltivec
5191 # check if our compiler supports Motorola AltiVec C API
5192 check_cc <<EOF || disable altivec
5195 vector signed int v1 = (vector signed int) { 0 };
5196 vector signed int v2 = (vector signed int) { 1 };
5197 v1 = vec_add(v1, v2);
5202 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
5205 if enabled vsx; then
5206 check_cflags -mvsx &&
5207 check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx
5210 if enabled power8; then
5211 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
5214 elif enabled x86; then
5216 check_builtin rdtsc intrin.h "__rdtsc()"
5217 check_builtin mm_empty mmintrin.h "_mm_empty()"
5219 enable local_aligned_8 local_aligned_16 local_aligned_32
5221 # check whether EBP is available on x86
5222 # As 'i' is stored on the stack, this program will crash
5223 # if the base pointer is used to access it because the
5224 # base pointer is cleared in the inline assembly code.
5225 check_exec_crash <<EOF && enable ebp_available
5227 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
5231 # check whether EBX is available on x86
5232 check_inline_asm ebx_available '""::"b"(0)' &&
5233 check_inline_asm ebx_available '"":::"%ebx"'
5235 # check whether xmm clobbers are supported
5236 check_inline_asm xmm_clobbers '"":::"%xmm0"'
5238 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
5239 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
5241 # check whether binutils is new enough to compile SSSE3/MMXEXT
5242 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
5243 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
5245 if ! disabled_any asm mmx yasm; then
5246 if check_cmd $yasmexe --version; then
5247 enabled x86_64 && yasm_extra="-m amd64"
5248 yasm_debug="-g dwarf2"
5249 elif check_cmd nasm -v; then
5251 yasm_debug="-g -F dwarf"
5252 if enabled x86_64; then
5253 case "$objformat" in
5254 elf) objformat=elf64 ;;
5255 win32) objformat=win64 ;;
5260 YASMFLAGS="-f $objformat $yasm_extra"
5261 enabled pic && append YASMFLAGS "-DPIC"
5262 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
5263 case "$objformat" in
5264 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
5267 check_yasm "movbe ecx, [5]" && enable yasm ||
5268 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
5269 check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
5270 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
5271 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
5272 check_yasm "CPU amdnop" || disable cpunop
5276 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
5283 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
5285 check_ldflags -Wl,--as-needed
5286 check_ldflags -Wl,-z,noexecstack
5288 if check_func dlopen; then
5290 elif check_func dlopen -ldl; then
5294 decklink_outdev_extralibs="$decklink_outdev_extralibs $ldl"
5295 decklink_indev_extralibs="$decklink_indev_extralibs $ldl"
5296 frei0r_filter_extralibs='$ldl'
5297 frei0r_src_filter_extralibs='$ldl'
5298 ladspa_filter_extralibs='$ldl'
5299 nvenc_encoder_extralibs='$ldl'
5300 coreimage_filter_extralibs="-framework QuartzCore -framework AppKit -framework OpenGL"
5301 coreimagesrc_filter_extralibs="-framework QuartzCore -framework AppKit -framework OpenGL"
5303 if ! disabled network; then
5304 check_func getaddrinfo $network_extralibs
5305 check_func inet_aton $network_extralibs
5307 check_type netdb.h "struct addrinfo"
5308 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
5309 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
5310 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
5311 check_type poll.h "struct pollfd"
5312 check_type netinet/sctp.h "struct sctp_event_subscribe"
5313 check_struct "sys/socket.h" "struct msghdr" msg_flags
5314 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5315 check_type netinet/in.h "struct sockaddr_in6"
5316 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
5317 check_type "sys/types.h sys/socket.h" socklen_t
5319 # Prefer arpa/inet.h over winsock2
5320 if check_header arpa/inet.h ; then
5321 check_func closesocket
5322 elif check_header winsock2.h ; then
5323 check_func_headers winsock2.h closesocket -lws2 &&
5324 network_extralibs="-lws2" ||
5325 { check_func_headers winsock2.h closesocket -lws2_32 &&
5326 network_extralibs="-lws2_32"; } || disable winsock2_h network
5327 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
5329 check_type ws2tcpip.h socklen_t
5330 check_type ws2tcpip.h "struct addrinfo"
5331 check_type ws2tcpip.h "struct group_source_req"
5332 check_type ws2tcpip.h "struct ip_mreq_source"
5333 check_type ws2tcpip.h "struct ipv6_mreq"
5334 check_type winsock2.h "struct pollfd"
5335 check_struct winsock2.h "struct sockaddr" sa_len
5336 check_type ws2tcpip.h "struct sockaddr_in6"
5337 check_type ws2tcpip.h "struct sockaddr_storage"
5343 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
5344 check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"
5345 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
5346 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
5347 check_builtin sarestart signal.h "SA_RESTART"
5348 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" -lpthread
5349 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
5350 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
5351 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
5353 case "$custom_allocator" in
5355 # jemalloc by default does not use a prefix
5356 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
5359 require_pkg_config libtcmalloc gperftools/tcmalloc.h tc_malloc
5364 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
5365 check_func ${malloc_prefix}memalign && enable memalign
5366 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5369 check_func arc4random
5370 check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
5373 check_func gethrtime
5375 check_func getrusage
5376 check_func gettimeofday
5378 check_func mach_absolute_time
5382 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5383 check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
5384 check_func sched_getaffinity
5385 check_func setrlimit
5386 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5387 check_func strerror_r
5392 check_func_headers conio.h kbhit
5393 check_func_headers io.h setmode
5394 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5395 check_func_headers stdlib.h getenv
5396 check_func_headers sys/stat.h lstat
5398 check_func_headers windows.h CoTaskMemFree -lole32
5399 check_func_headers windows.h GetProcessAffinityMask
5400 check_func_headers windows.h GetProcessTimes
5401 check_func_headers windows.h GetSystemTimeAsFileTime
5402 check_func_headers windows.h MapViewOfFile
5403 check_func_headers windows.h PeekNamedPipe
5404 check_func_headers windows.h SetConsoleTextAttribute
5405 check_func_headers windows.h SetConsoleCtrlHandler
5406 check_func_headers windows.h Sleep
5407 check_func_headers windows.h VirtualAlloc
5408 check_struct windows.h "CONDITION_VARIABLE" Ptr
5409 check_func_headers glob.h glob
5411 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5413 check_header AudioToolbox/AudioToolbox.h
5414 check_header direct.h
5415 check_header dirent.h
5416 check_header dlfcn.h
5417 check_header d3d11.h
5419 check_header dxva2api.h -D_WIN32_WINNT=0x0600
5421 check_header libcrystalhd/libcrystalhd_if.h
5422 check_header mach/mach_time.h
5423 check_header malloc.h
5424 check_header net/udplite.h
5426 check_header sys/mman.h
5427 check_header sys/param.h
5428 check_header sys/resource.h
5429 check_header sys/select.h
5430 check_header sys/time.h
5431 check_header sys/un.h
5432 check_header termios.h
5433 check_header unistd.h
5434 check_header valgrind/valgrind.h
5435 check_header vdpau/vdpau.h
5436 check_header vdpau/vdpau_x11.h
5437 check_header VideoDecodeAcceleration/VDADecoder.h
5438 check_header VideoToolbox/VideoToolbox.h
5439 check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox
5440 check_header windows.h
5441 check_header X11/extensions/XvMClib.h
5442 check_header asm/types.h
5444 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
5445 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
5446 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5447 check_lib "CoreServices/CoreServices.h" UTGetOSTypeFromString "-framework CoreServices"
5449 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
5451 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5452 check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5453 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
5454 check_type "windows.h d3d11.h" "ID3D11VideoContext"
5455 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
5457 check_type "va/va.h" "VAPictureParameterBufferHEVC"
5458 check_type "va/va.h" "VADecPictureParameterBufferVP9"
5459 check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"
5461 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
5463 check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt
5465 if ! disabled w32threads && ! enabled pthreads; then
5466 check_func_headers "windows.h process.h" _beginthreadex &&
5467 enable w32threads || disable w32threads
5468 if ! enabled w32threads && enabled winrt; then
5469 check_func_headers "windows.h" CreateThread &&
5470 enable w32threads || disable w32threads
5474 # check for some common methods of building with pthread support
5475 # do this before the optional library checks as some of them require pthreads
5476 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
5478 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
5480 add_extralibs -pthread
5481 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
5482 add_cflags -pthreads
5483 add_extralibs -pthreads
5484 elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then
5485 add_cflags -ldl -pthread
5486 add_extralibs -ldl -pthread
5487 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
5488 add_extralibs -lpthreadGC2
5489 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
5491 elif ! check_func pthread_join && ! check_func pthread_create; then
5494 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
5498 if enabled pthreads; then
5499 check_func pthread_cancel
5502 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
5503 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
5504 disabled lzma || check_lib2 lzma.h lzma_version_number -llzma || disable lzma
5506 check_lib math.h sin -lm && LIBM="-lm"
5507 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
5515 for func in $MATH_FUNCS; do
5516 eval check_mathfunc $func \${${func}_args:-1}
5519 for func in $COMPLEX_FUNCS; do
5520 eval check_complexfunc $func \${${func}_args:-1}
5523 # these are off by default, so fail if requested and not available
5524 enabled avfoundation_indev && { check_header_objcc AVFoundation/AVFoundation.h || disable avfoundation_indev; }
5525 enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||
5526 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }
5527 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
5528 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
5529 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
5530 enabled cuda && { check_lib cuda.h cuInit -lcuda ||
5531 die "ERROR: CUDA not found"; }
5532 enabled chromaprint && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
5533 enabled coreimage_filter && { check_header_objcc QuartzCore/CoreImage.h || disable coreimage_filter; }
5534 enabled coreimagesrc_filter && { check_header_objcc QuartzCore/CoreImage.h || disable coreimagesrc_filter; }
5535 enabled decklink && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }
5536 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
5537 enabled gmp && require2 gmp gmp.h mpz_export -lgmp
5538 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
5539 enabled jni && { [ $target_os = "android" ] && check_header jni.h && enabled pthreads &&
5540 check_lib2 "dlfcn.h" dlopen -ldl; }
5541 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
5542 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
5543 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
5544 enabled libbluray && require_pkg_config libbluray libbluray/bluray.h bd_open
5545 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
5546 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
5547 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
5548 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
5549 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
5550 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
5551 enabled libfdk_aac && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
5552 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
5553 warn "using libfdk without pkg-config"; } }
5554 flite_libs="-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"
5555 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
5556 enabled fontconfig && enable libfontconfig
5557 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
5558 enabled libfreetype && require_libfreetype
5559 enabled libfribidi && require_pkg_config fribidi fribidi.h fribidi_version_info
5560 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
5561 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
5562 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
5563 done || die "ERROR: libgsm not found"; }
5564 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
5565 enabled libkvazaar && require_pkg_config "kvazaar >= 0.8.1" kvazaar.h kvz_api_get
5566 enabled libmfx && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit
5567 enabled libmodplug && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load
5568 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
5569 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
5570 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
5571 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
5572 enabled libopencv && { check_header opencv2/core/core_c.h &&
5573 { use_pkg_config opencv opencv2/core/core_c.h cvCreateImageHeader ||
5574 require opencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||
5575 require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader; }
5576 enabled libopenh264 && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion
5577 enabled libopenjpeg && { check_lib openjpeg-2.1/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC ||
5578 check_lib openjpeg-2.0/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC ||
5579 check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
5580 check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
5581 die "ERROR: libopenjpeg not found"; }
5582 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
5583 enabled libpulse && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new
5584 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
5585 enabled librubberband && require_pkg_config "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new
5586 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
5587 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
5588 enabled libsmbclient && { use_pkg_config smbclient libsmbclient.h smbc_init ||
5589 require smbclient libsmbclient.h smbc_init -lsmbclient; }
5590 enabled libsnappy && require snappy snappy-c.h snappy_compress -lsnappy
5591 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr && LIBSOXR="-lsoxr"
5592 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
5593 enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
5594 enabled libtesseract && require_pkg_config tesseract tesseract/capi.h TessBaseAPICreate
5595 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
5596 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
5597 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
5598 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
5599 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
5600 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
5601 enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
5602 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
5603 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
5606 enabled libvpx_vp8_decoder && {
5607 use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
5608 check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
5609 die "ERROR: libvpx decoder version must be >=0.9.1";
5611 enabled libvpx_vp8_encoder && {
5612 use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
5613 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
5614 die "ERROR: libvpx encoder version must be >=0.9.7";
5616 enabled libvpx_vp9_decoder && {
5617 use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
5618 check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx ||
5619 disable libvpx_vp9_decoder;
5621 enabled libvpx_vp9_encoder && {
5622 use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
5623 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx ||
5624 disable libvpx_vp9_encoder;
5626 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
5627 die "libvpx enabled but no supported decoders found"
5631 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
5632 enabled libwebp && {
5633 enabled libwebp_encoder && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
5634 enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }
5635 enabled libx264 && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||
5636 { require libx264 x264.h x264_encoder_encode -lx264 &&
5637 warn "using libx264 without pkg-config"; } } &&
5638 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
5639 die "ERROR: libx264 must be installed and version must be >= 0.118."; } &&
5640 { check_cpp_condition x264.h "X264_MPEG2" &&
5642 enabled libx265 && require_pkg_config x265 x265.h x265_api_get &&
5643 { check_cpp_condition x265.h "X265_BUILD >= 68" ||
5644 die "ERROR: libx265 version must be >= 68."; }
5645 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
5646 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
5647 enabled libzimg && require_pkg_config zimg zimg.h zimg_get_api_version
5648 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
5649 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi &&
5650 { check_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||
5651 enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }
5652 enabled mediacodec && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }
5653 enabled mmal && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
5654 { ! enabled cross_compile && {
5655 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;
5656 add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;
5657 check_lib interface/mmal/mmal.h mmal_port_connect ; }
5658 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||
5659 die "ERROR: mmal not found"; }
5661 (check_code cc interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS" ||
5662 die "ERROR: mmal firmware headers too old")
5664 enabled netcdf && require_pkg_config netcdf netcdf.h nc_inq_libvers
5665 enabled nvenc && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&
5666 { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 6" ||
5667 die "ERROR: NVENC API version 5 or older is not supported"; } &&
5668 { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }
5669 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
5670 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
5671 die "ERROR: openal not found"; } &&
5672 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
5673 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
5674 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
5675 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
5676 die "ERROR: opencl not found"; } &&
5677 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
5678 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
5679 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
5680 enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||
5681 check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
5682 check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
5683 check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
5684 die "ERROR: opengl not found."
5686 enabled openssl && { use_pkg_config openssl openssl/ssl.h SSL_library_init ||
5687 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
5688 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
5689 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
5690 die "ERROR: openssl not found"; }
5691 enabled qtkit_indev && { check_header_objcc QTKit/QTKit.h || disable qtkit_indev; }
5694 if enabled libdc1394; then
5695 { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&
5696 enable libdc1394_2; } ||
5697 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
5698 enable libdc1394_1; } ||
5699 die "ERROR: No version of libdc1394 found "
5702 if enabled gcrypt; then
5703 GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"
5704 if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then
5705 gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)
5706 gcrypt_libs=$("${GCRYPT_CONFIG}" --libs)
5707 check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_libs ||
5708 die "ERROR: gcrypt not found"
5709 add_cflags $gcrypt_cflags && add_extralibs $gcrypt_libs
5711 require2 gcrypt gcrypt.h gcry_mpi_new -lgcrypt
5715 if ! disabled sdl; then
5716 SDL_CONFIG="${cross_prefix}sdl-config"
5717 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
5718 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5719 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5722 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5723 sdl_cflags=$("${SDL_CONFIG}" --cflags)
5724 sdl_libs=$("${SDL_CONFIG}" --libs)
5725 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
5726 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5727 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5729 elif enabled sdl ; then
5730 die "ERROR: SDL not found"
5735 if test $target_os = "mingw32"; then
5736 sdl_libs="$sdl_libs -mconsole"
5739 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
5741 disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5742 check_lib2 "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5743 enable securetransport; }
5745 disabled schannel || { check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&
5746 check_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" && enable schannel && add_extralibs -lsecur32; }
5748 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
5750 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
5751 && enable makeinfo_html || disable makeinfo_html
5752 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
5753 perl -v > /dev/null 2>&1 && enable perl || disable perl
5754 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
5755 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
5757 check_header linux/fb.h
5758 check_header linux/videodev.h
5759 check_header linux/videodev2.h
5760 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5762 check_header sys/videoio.h
5763 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5765 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
5766 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
5767 # w32api 3.12 had it defined wrong
5768 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
5770 check_type "dshow.h" IBaseFilter
5772 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
5773 { check_header dev/bktr/ioctl_meteor.h &&
5774 check_header dev/bktr/ioctl_bt848.h; } ||
5775 { check_header machine/ioctl_meteor.h &&
5776 check_header machine/ioctl_bt848.h; } ||
5777 { check_header dev/video/meteor/ioctl_meteor.h &&
5778 check_header dev/video/bktr/ioctl_bt848.h; } ||
5779 check_header dev/ic/bt8xx.h
5781 check_header sndio.h
5782 if check_struct sys/soundcard.h audio_buf_info bytes; then
5783 enable_safe sys/soundcard.h
5785 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
5786 #include <sys/soundcard.h>
5790 check_header soundcard.h
5792 enabled_any alsa_indev alsa_outdev &&
5793 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
5795 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&
5796 check_func jack_port_get_latency_range -ljack
5798 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
5800 if enabled libcdio; then
5801 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5802 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5803 die "ERROR: No usable libcdio/cdparanoia found"
5807 check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib
5809 if ! disabled libxcb; then
5810 check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {
5811 enabled libxcb && die "ERROR: libxcb >= 1.4 not found";
5812 } && disable x11grab && enable libxcb
5814 if enabled libxcb; then
5815 disabled libxcb_shm || {
5816 check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {
5817 enabled libxcb_shm && die "ERROR: libxcb_shm not found";
5818 } && check_header sys/shm.h && enable libxcb_shm; }
5820 disabled libxcb_xfixes || {
5821 check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {
5822 enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";
5823 } && enable libxcb_xfixes; }
5825 disabled libxcb_shape || {
5826 check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {
5827 enabled libxcb_shape && die "ERROR: libxcb_shape not found";
5828 } && enable libxcb_shape; }
5830 add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags
5831 add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs
5835 if enabled x11grab; then
5836 enabled xlib || die "ERROR: Xlib not found"
5837 require Xext X11/extensions/XShm.h XShmCreateImage -lXext
5838 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
5841 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
5843 enabled dxva2api_h &&
5844 check_cc <<EOF && enable dxva2api_cobj
5845 #define _WIN32_WINNT 0x0600
5847 #include <windows.h>
5849 #include <dxva2api.h>
5850 int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }
5854 check_lib va/va.h vaInitialize -lva ||
5858 check_code cc "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)" ||
5861 enabled vaapi && enabled xlib &&
5862 check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&
5866 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
5869 enabled vdpau && enabled xlib &&
5870 check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
5871 prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&
5874 # Funny iconv installations are not unusual, so check it after all flags have been set
5875 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
5877 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
5879 # add some useful compiler flags if supported
5880 check_cflags -Wdeclaration-after-statement
5882 check_cflags -Wdisabled-optimization
5883 check_cflags -Wpointer-arith
5884 check_cflags -Wredundant-decls
5885 check_cflags -Wwrite-strings
5886 check_cflags -Wtype-limits
5887 check_cflags -Wundef
5888 check_cflags -Wmissing-prototypes
5889 check_cflags -Wno-pointer-to-int-cast
5890 check_cflags -Wstrict-prototypes
5891 check_cflags -Wempty-body
5892 enabled extra_warnings && check_cflags -Winline
5893 enabled extra_warnings && check_cflags -Wcast-qual
5895 check_disable_warning(){
5896 warning_flag=-W${1#-Wno-}
5897 test_cflags $warning_flag && add_cflags $1
5900 check_disable_warning -Wno-parentheses
5901 check_disable_warning -Wno-switch
5902 check_disable_warning -Wno-format-zero-length
5903 check_disable_warning -Wno-pointer-sign
5904 check_disable_warning -Wno-unused-const-variable
5906 # add some linker flags
5907 check_ldflags -Wl,--warn-common
5908 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
5909 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir
5910 enabled rpath && add_ldlibflags -Wl,-rpath,$libdir
5911 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
5913 # add some strip flags
5914 # -wN '..@*' is more selective than -x, but not available everywhere.
5915 check_stripflags -wN \'..@*\' || check_stripflags -x
5917 enabled neon_clobber_test &&
5918 check_ldflags -Wl,--wrap,avcodec_open2 \
5919 -Wl,--wrap,avcodec_decode_audio4 \
5920 -Wl,--wrap,avcodec_decode_video2 \
5921 -Wl,--wrap,avcodec_decode_subtitle2 \
5922 -Wl,--wrap,avcodec_encode_audio2 \
5923 -Wl,--wrap,avcodec_encode_video2 \
5924 -Wl,--wrap,avcodec_encode_subtitle \
5925 -Wl,--wrap,swr_convert \
5926 -Wl,--wrap,avresample_convert ||
5927 disable neon_clobber_test
5929 enabled xmm_clobber_test &&
5930 check_ldflags -Wl,--wrap,avcodec_open2 \
5931 -Wl,--wrap,avcodec_decode_audio4 \
5932 -Wl,--wrap,avcodec_decode_video2 \
5933 -Wl,--wrap,avcodec_decode_subtitle2 \
5934 -Wl,--wrap,avcodec_encode_audio2 \
5935 -Wl,--wrap,avcodec_encode_video2 \
5936 -Wl,--wrap,avcodec_encode_subtitle \
5937 -Wl,--wrap,swr_convert \
5938 -Wl,--wrap,avresample_convert \
5939 -Wl,--wrap,sws_scale ||
5940 disable xmm_clobber_test
5942 echo "X { local: *; };" > $TMPV
5943 if test_ldflags -Wl,--version-script,$TMPV; then
5944 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
5945 elif test_ldflags -Wl,-M,$TMPV; then
5946 append SHFLAGS '-Wl,-M,\$(SUBDIR)lib\$(NAME).ver-sol2'
5949 check_cc <<EOF && enable symver_asm_label
5950 void ff_foo(void) __asm__ ("av_foo@VERSION");
5951 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
5953 check_cc <<EOF && enable symver_gnu_asm
5954 __asm__(".symver ff_foo,av_foo@VERSION");
5955 void ff_foo(void) {}
5958 if [ -z "$optflags" ]; then
5959 if enabled small; then
5960 optflags=$cflags_size
5961 elif enabled optimizations; then
5962 optflags=$cflags_speed
5964 optflags=$cflags_noopt
5970 enabled lto && check_ldflags "$@"
5974 if enabled lto; then
5975 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
5977 check_ldflags -flto $cpuflags
5978 disable inline_asm_direct_symbol_refs
5981 check_optflags $optflags
5982 check_optflags -fno-math-errno
5983 check_optflags -fno-signed-zeros
5985 enabled ftrapv && check_cflags -ftrapv
5987 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
5992 if enabled icc; then
5993 # Just warnings, no remarks
5995 # -wd: Disable following warnings
5996 # 144, 167, 556: -Wno-pointer-sign
5997 # 188: enumerated type mixed with another type
5998 # 1292: attribute "foo" ignored
5999 # 1419: external declaration in primary source file
6000 # 10006: ignoring unknown option -fno-signed-zeros
6001 # 10148: ignoring unknown option -Wno-parentheses
6002 # 10156: ignoring option '-W'; no argument required
6003 # 13200: No EMMS instruction before call to function
6004 # 13203: No EMMS instruction before return from function
6005 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
6006 # 11030: Warning unknown option --as-needed
6007 # 10156: ignoring option '-export'; no argument required
6008 check_ldflags -wd10156,11030
6009 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
6010 enable ebp_available
6011 # The test above does not test linking
6012 enabled lto && disable symver_asm_label
6013 if enabled x86_32; then
6014 icc_version=$($cc -dumpversion)
6015 test ${icc_version%%.*} -ge 11 &&
6016 check_cflags -falign-stack=maintain-16-byte ||
6017 disable aligned_stack
6019 elif enabled ccc; then
6020 # disable some annoying warnings
6021 add_cflags -msg_disable bitnotint
6022 add_cflags -msg_disable mixfuncvoid
6023 add_cflags -msg_disable nonstandcast
6024 add_cflags -msg_disable unsupieee
6025 elif enabled gcc; then
6026 case $gcc_basever in
6027 4.9*) enabled x86 || check_optflags -fno-tree-vectorize ;;
6028 4.*) check_optflags -fno-tree-vectorize ;;
6029 *) enabled x86 || check_optflags -fno-tree-vectorize ;;
6031 check_cflags -Werror=format-security
6032 check_cflags -Werror=implicit-function-declaration
6033 check_cflags -Werror=missing-prototypes
6034 check_cflags -Werror=return-type
6035 check_cflags -Werror=vla
6036 check_cflags -Wformat
6037 check_cflags -fdiagnostics-color=auto
6038 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
6039 elif enabled llvm_gcc; then
6040 check_cflags -mllvm -stack-alignment=16
6041 elif enabled clang; then
6042 check_cflags -mllvm -stack-alignment=16
6043 check_cflags -Qunused-arguments
6044 check_cflags -Werror=implicit-function-declaration
6045 check_cflags -Werror=missing-prototypes
6046 check_cflags -Werror=return-type
6047 elif enabled cparser; then
6048 add_cflags -Wno-missing-variable-declarations
6049 add_cflags -Wno-empty-statement
6050 elif enabled armcc; then
6051 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
6052 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
6053 # 2523: use of inline assembly is deprecated
6054 add_cflags -W${armcc_opt},--diag_suppress=2523
6055 add_cflags -W${armcc_opt},--diag_suppress=1207
6056 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
6057 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
6058 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
6059 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
6060 elif enabled tms470; then
6061 add_cflags -pds=824 -pds=837
6063 elif enabled pathscale; then
6064 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
6065 elif enabled_any msvc icl; then
6066 enabled x86_32 && disable aligned_stack
6067 enabled_all x86_32 debug && add_cflags -Oy-
6068 enabled debug && add_ldflags -debug
6069 enable pragma_deprecated
6070 if enabled icl; then
6071 # -Qansi-alias is basically -fstrict-aliasing, but does not work
6072 # (correctly) on icl 13.x.
6073 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
6074 add_cflags -Qansi-alias
6075 # Some inline asm is not compilable in debug
6076 if enabled debug; then
6077 disable ebp_available
6078 disable ebx_available
6081 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
6082 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
6083 # The CRT headers contain __declspec(restrict) in a few places, but if redefining
6084 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
6085 # (as it ends up if the restrict redefine is done before including stdlib.h), while
6086 # MSVC 2013 and newer can handle it fine.
6087 # If this declspec fails, force including stdlib.h before the restrict redefinition
6088 # happens in config.h.
6089 if [ $_restrict != restrict ]; then
6090 check_cc <<EOF || add_cflags -FIstdlib.h
6091 __declspec($_restrict) void* foo(int);
6094 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
6097 for pfx in "" host_; do
6098 varname=${pfx%_}cc_type
6099 eval "type=\$$varname"
6100 if [ $type = "msvc" ]; then
6101 check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline
6102 static inline int foo(int a) { return a; }
6109 add_asflags -Qunused-arguments
6115 check_ldflags -Qunused-arguments
6121 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
6124 add_cppflags -Dmain=plan9_main
6128 enable frame_thread_encoder
6130 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
6132 check_deps $CONFIG_LIST \
6137 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"
6140 if test $target_os = "haiku"; then
6142 disable posix_memalign
6145 enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&
6146 prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&
6149 ! enabled_any memalign posix_memalign aligned_malloc &&
6150 enabled simd_align_16 && enable memalign_hack
6153 # -> enable ${lib}_deps_${dep}
6154 # -> add $dep to ${lib}_deps only once
6158 enabled "${lib}_deps_${dep}" && return 0
6159 enable "${lib}_deps_${dep}"
6160 prepend "${lib}_deps" $dep
6163 # merge deps lib components
6164 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
6169 enabled $comp || continue
6170 eval "dep=\"\$${comp}_deps\""
6177 merge_deps libavfilter $FILTER_LIST
6179 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
6181 for thread in $THREADS_LIST; do
6182 if enabled $thread; then
6183 test -n "$thread_type" &&
6184 die "ERROR: Only one thread type must be selected." ||
6185 thread_type="$thread"
6189 enabled zlib && add_cppflags -DZLIB_CONST
6191 # conditional library dependencies, in linking order
6192 enabled afftfilt_filter && prepend avfilter_deps "avcodec"
6193 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
6194 enabled aresample_filter && prepend avfilter_deps "swresample"
6195 enabled asyncts_filter && prepend avfilter_deps "avresample"
6196 enabled atempo_filter && prepend avfilter_deps "avcodec"
6197 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
6198 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
6199 enabled elbg_filter && prepend avfilter_deps "avcodec"
6200 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
6201 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
6202 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
6203 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
6204 enabled pan_filter && prepend avfilter_deps "swresample"
6205 enabled pp_filter && prepend avfilter_deps "postproc"
6206 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
6207 enabled resample_filter && prepend avfilter_deps "avresample"
6208 enabled sab_filter && prepend avfilter_deps "swscale"
6209 enabled scale_filter && prepend avfilter_deps "swscale"
6210 enabled scale2ref_filter && prepend avfilter_deps "swscale"
6211 enabled sofalizer_filter && prepend avfilter_deps "avcodec"
6212 enabled showcqt_filter && prepend avfilter_deps "avformat avcodec swscale"
6213 enabled showfreqs_filter && prepend avfilter_deps "avcodec"
6214 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
6215 enabled smartblur_filter && prepend avfilter_deps "swscale"
6216 enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"
6217 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
6218 enabled uspp_filter && prepend avfilter_deps "avcodec"
6220 enabled lavfi_indev && prepend avdevice_deps "avfilter"
6222 enabled opus_decoder && prepend avcodec_deps "swresample"
6226 eval "deps=\$$lib_deps"
6227 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
6231 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
6232 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
6234 map 'expand_deps $v' $LIBRARY_LIST
6236 echo "install prefix $prefix"
6237 echo "source path $source_path"
6238 echo "C compiler $cc"
6239 echo "C library $libc_type"
6240 if test "$host_cc" != "$cc"; then
6241 echo "host C compiler $host_cc"
6242 echo "host C library $host_libc_type"
6244 echo "ARCH $arch ($cpu)"
6245 if test "$build_suffix" != ""; then
6246 echo "build suffix $build_suffix"
6248 if test "$progs_suffix" != ""; then
6249 echo "progs suffix $progs_suffix"
6251 if test "$extra_version" != ""; then
6252 echo "version string suffix $extra_version"
6254 echo "big-endian ${bigendian-no}"
6255 echo "runtime cpu detection ${runtime_cpudetect-no}"
6256 if enabled x86; then
6257 echo "${yasmexe} ${yasm-no}"
6258 echo "MMX enabled ${mmx-no}"
6259 echo "MMXEXT enabled ${mmxext-no}"
6260 echo "3DNow! enabled ${amd3dnow-no}"
6261 echo "3DNow! extended enabled ${amd3dnowext-no}"
6262 echo "SSE enabled ${sse-no}"
6263 echo "SSSE3 enabled ${ssse3-no}"
6264 echo "AESNI enabled ${aesni-no}"
6265 echo "AVX enabled ${avx-no}"
6266 echo "XOP enabled ${xop-no}"
6267 echo "FMA3 enabled ${fma3-no}"
6268 echo "FMA4 enabled ${fma4-no}"
6269 echo "i686 features enabled ${i686-no}"
6270 echo "CMOV is fast ${fast_cmov-no}"
6271 echo "EBX available ${ebx_available-no}"
6272 echo "EBP available ${ebp_available-no}"
6274 if enabled aarch64; then
6275 echo "NEON enabled ${neon-no}"
6276 echo "VFP enabled ${vfp-no}"
6278 if enabled arm; then
6279 echo "ARMv5TE enabled ${armv5te-no}"
6280 echo "ARMv6 enabled ${armv6-no}"
6281 echo "ARMv6T2 enabled ${armv6t2-no}"
6282 echo "VFP enabled ${vfp-no}"
6283 echo "NEON enabled ${neon-no}"
6284 echo "THUMB enabled ${thumb-no}"
6286 if enabled mips; then
6287 echo "MIPS FPU enabled ${mipsfpu-no}"
6288 echo "MIPS DSP R1 enabled ${mipsdsp-no}"
6289 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
6290 echo "MIPS MSA enabled ${msa-no}"
6291 echo "LOONGSON MMI enabled ${mmi-no}"
6293 if enabled ppc; then
6294 echo "AltiVec enabled ${altivec-no}"
6295 echo "VSX enabled ${vsx-no}"
6296 echo "POWER8 enabled ${power8-no}"
6297 echo "PPC 4xx optimizations ${ppc4xx-no}"
6298 echo "dcbzl available ${dcbzl-no}"
6300 echo "debug symbols ${debug-no}"
6301 echo "strip symbols ${stripping-no}"
6302 echo "optimize for size ${small-no}"
6303 echo "optimizations ${optimizations-no}"
6304 echo "static ${static-no}"
6305 echo "shared ${shared-no}"
6306 echo "postprocessing support ${postproc-no}"
6307 echo "new filter support ${avfilter-no}"
6308 echo "network support ${network-no}"
6309 echo "threading support ${thread_type-no}"
6310 echo "safe bitstream reader ${safe_bitstream_reader-no}"
6311 echo "SDL support ${sdl-no}"
6312 echo "opencl enabled ${opencl-no}"
6313 echo "JNI support ${jni-no}"
6314 echo "texi2html enabled ${texi2html-no}"
6315 echo "perl enabled ${perl-no}"
6316 echo "pod2man enabled ${pod2man-no}"
6317 echo "makeinfo enabled ${makeinfo-no}"
6318 echo "makeinfo supports HTML ${makeinfo_html-no}"
6319 test -n "$random_seed" &&
6320 echo "random seed ${random_seed}"
6323 echo "Enabled programs:"
6324 print_enabled '' $PROGRAM_LIST | print_in_columns
6327 echo "External libraries:"
6328 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_in_columns
6332 print_enabled '' $LIBRARY_LIST | print_in_columns
6335 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
6336 echo "Enabled ${type}s:"
6337 eval list=\$$(toupper $type)_LIST
6338 print_enabled '_*' $list | print_in_columns
6342 license="LGPL version 2.1 or later"
6343 if enabled nonfree; then
6344 license="nonfree and unredistributable"
6345 elif enabled gplv3; then
6346 license="GPL version 3 or later"
6347 elif enabled lgplv3; then
6348 license="LGPL version 3 or later"
6349 elif enabled gpl; then
6350 license="GPL version 2 or later"
6353 echo "License: $license"
6355 echo "Creating config.mak, config.h, and doc/config.texi..."
6357 test -e Makefile || echo "include $source_path/Makefile" > Makefile
6359 enabled stripping || strip="echo skipping strip"
6361 config_files="$TMPH config.mak doc/config.texi"
6363 cat > config.mak <<EOF
6364 # Automatically generated by configure - do not modify!
6365 ifndef FFMPEG_CONFIG_MAK
6367 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
6369 LIBDIR=\$(DESTDIR)$libdir
6370 SHLIBDIR=\$(DESTDIR)$shlibdir
6371 INCDIR=\$(DESTDIR)$incdir
6372 BINDIR=\$(DESTDIR)$bindir
6373 DATADIR=\$(DESTDIR)$datadir
6374 DOCDIR=\$(DESTDIR)$docdir
6375 MANDIR=\$(DESTDIR)$mandir
6376 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
6377 INSTALL_NAME_DIR=$install_name_dir
6378 SRC_PATH=$source_path
6379 SRC_LINK=$source_link
6380 ifndef MAIN_MAKEFILE
6381 SRC_PATH:=\$(SRC_PATH:.%=..%)
6385 INTRINSICS=$intrinsics
6392 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
6394 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
6407 OBJCFLAGS=$OBJCFLAGS
6427 LDEXEFLAGS=$LDEXEFLAGS
6428 LDLIBFLAGS=$LDLIBFLAGS
6429 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
6430 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
6431 YASMFLAGS=$YASMFLAGS
6432 BUILDSUF=$build_suffix
6433 PROGSSUF=$progs_suffix
6441 EXTRA_VERSION=$extra_version
6444 CCDEP_FLAGS=$CCDEP_FLAGS
6446 ASDEP_FLAGS=$ASDEP_FLAGS
6447 CC_DEPFLAGS=$CC_DEPFLAGS
6448 AS_DEPFLAGS=$AS_DEPFLAGS
6451 HOSTCFLAGS=$host_cflags
6452 HOSTCPPFLAGS=$host_cppflags
6453 HOSTEXESUF=$HOSTEXESUF
6454 HOSTLDFLAGS=$host_ldflags
6457 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
6458 HOSTCCDEP=$HOSTCCDEP
6459 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
6460 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
6464 TARGET_EXEC=$target_exec $target_exec_args
6465 TARGET_PATH=$target_path
6466 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
6467 CFLAGS-ffplay=$sdl_cflags
6468 ZLIB=$($ldflags_filter -lz)
6469 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
6470 EXTRALIBS=$extralibs
6471 COMPAT_OBJS=$compat_objs
6474 LIBTARGET=${LIBTARGET}
6475 SLIBNAME=${SLIBNAME}
6476 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
6477 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
6478 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
6479 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
6480 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
6481 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
6482 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
6483 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
6484 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
6485 NOREDZONE_FLAGS=$noredzone_flags
6490 name=$(toupper $lcname)
6491 file=$source_path/$lcname/version.h
6492 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
6493 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
6494 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
6495 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
6496 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
6497 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
6500 map 'get_version $v' $LIBRARY_LIST
6502 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST
6504 print_program_libs(){
6505 eval "program_libs=\$${1}_libs"
6506 eval echo "LIBS-${1}=${program_libs}" >> config.mak
6509 map 'print_program_libs $v' $PROGRAM_LIST
6512 /* Automatically generated by configure - do not modify! */
6513 #ifndef FFMPEG_CONFIG_H
6514 #define FFMPEG_CONFIG_H
6515 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
6516 #define FFMPEG_LICENSE "$(c_escape $license)"
6517 #define CONFIG_THIS_YEAR 2016
6518 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
6519 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
6520 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
6521 #define av_restrict $_restrict
6522 #define EXTERN_PREFIX "${extern_prefix}"
6523 #define EXTERN_ASM ${extern_prefix}
6524 #define BUILDSUF "$build_suffix"
6525 #define SLIBSUF "$SLIBSUF"
6526 #define HAVE_MMX2 HAVE_MMXEXT
6527 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
6530 test -n "$assert_level" &&
6531 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
6533 test -n "$malloc_prefix" &&
6534 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
6536 if enabled yasm; then
6537 append config_files $TMPASM
6541 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
6547 echo "@c auto-generated by configure - do not modify! " > doc/config.texi
6549 print_config ARCH_ "$config_files" $ARCH_LIST
6550 print_config HAVE_ "$config_files" $HAVE_LIST
6551 print_config CONFIG_ "$config_files" $CONFIG_LIST \
6555 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
6556 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
6558 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
6559 cp_if_changed $TMPH config.h
6562 enabled yasm && cp_if_changed $TMPASM config.asm
6565 /* Generated by ffconf */
6566 #ifndef AVUTIL_AVCONFIG_H
6567 #define AVUTIL_AVCONFIG_H
6570 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
6572 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
6574 cp_if_changed $TMPH libavutil/avconfig.h
6576 if test -n "$WARNINGS"; then
6577 printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"
6578 enabled fatal_warnings && exit 1
6581 # build pkg-config files
6584 eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""
6587 pkgconfig_generate(){
6589 shortname=${name#lib}${build_suffix}
6593 requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))
6594 requires=${requires%, }
6595 enabled ${name#lib} || return 0
6597 cat <<EOF > $name/$name${build_suffix}.pc
6599 exec_prefix=\${prefix}
6604 Description: $comment
6606 Requires: $(enabled shared || echo $requires)
6607 Requires.private: $(enabled shared && echo $requires)
6609 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
6610 Libs.private: $(enabled shared && echo $libs)
6611 Cflags: -I\${includedir}
6614 mkdir -p doc/examples/pc-uninstalled
6615 includedir=${source_path}
6616 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
6617 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
6620 libdir=\${pcfiledir}/../../../$name
6621 includedir=${includedir}
6624 Description: $comment
6628 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
6629 Cflags: -I\${includedir}
6633 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBRT $LIBM"
6634 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs"
6635 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs"
6636 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs"
6637 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
6638 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" ""
6639 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$LIBM"
6640 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM"
6641 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM $LIBSOXR"