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 --enable-avisynth enable reading of AviSynth script files [no]
198 --disable-bzlib disable bzlib [autodetect]
199 --enable-cuda enable dynamically linked CUDA [no]
200 --enable-chromaprint enable audio fingerprinting with chromaprint [no]
201 --enable-fontconfig enable fontconfig, useful for drawtext filter [no]
202 --enable-frei0r enable frei0r video filtering [no]
203 --enable-gcrypt enable gcrypt, needed for rtmp(t)e support
204 if openssl, librtmp or gmp is not used [no]
205 --enable-gmp enable gmp, needed for rtmp(t)e support
206 if openssl or librtmp is not used [no]
207 --enable-gnutls enable gnutls, needed for https support
208 if openssl is not used [no]
209 --disable-iconv disable iconv [autodetect]
210 --enable-jni enable JNI support [no]
211 --enable-ladspa enable LADSPA audio filtering [no]
212 --enable-libass enable libass subtitles rendering,
213 needed for subtitles and ass filter [no]
214 --enable-libbluray enable BluRay reading using libbluray [no]
215 --enable-libbs2b enable bs2b DSP library [no]
216 --enable-libcaca enable textual display using libcaca [no]
217 --enable-libcelt enable CELT decoding via libcelt [no]
218 --enable-libcdio enable audio CD grabbing with libcdio [no]
219 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
221 --enable-libdcadec enable DCA decoding via libdcadec [no]
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
2168 # code dependency declarations
2170 # architecture extensions
2175 armv8_deps="aarch64"
2176 neon_deps_any="aarch64 arm"
2177 intrinsics_neon_deps="neon"
2178 vfp_deps_any="aarch64 arm"
2182 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2186 mipsdspr2_deps="mips"
2187 mips32r2_deps="mips"
2188 mips32r5_deps="mips"
2189 mips32r6_deps="mips"
2190 mips64r2_deps="mips"
2191 mips64r6_deps="mips"
2203 x86_64_select="i686"
2204 x86_64_suggest="fast_cmov"
2207 amd3dnowext_deps="amd3dnow"
2224 mmx_external_deps="yasm"
2225 mmx_inline_deps="inline_asm"
2226 mmx_suggest="mmx_external mmx_inline"
2228 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2229 eval dep=\$${ext}_deps
2230 eval ${ext}_external_deps='"${dep}_external"'
2231 eval ${ext}_inline_deps='"${dep}_inline"'
2232 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2235 aligned_stack_if_any="aarch64 ppc x86"
2236 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2237 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2238 fast_unaligned_if_any="aarch64 ppc x86"
2239 simd_align_16_if_any="altivec neon sse"
2241 # system capabilities
2242 symver_if_any="symver_asm_label symver_gnu_asm"
2243 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
2246 atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"
2247 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2248 atomics_win32_if="MemoryBarrier"
2249 atomics_native_if_any="$ATOMICS_LIST"
2250 w32threads_deps="atomics_native"
2251 threads_if_any="$THREADS_LIST"
2255 dirac_parse_select="golomb"
2256 error_resilience_select="me_cmp"
2257 faandct_deps="faan fdctdsp"
2258 faanidct_deps="faan idctdsp"
2259 h264dsp_select="startcode"
2260 frame_thread_encoder_deps="encoders threads"
2261 intrax8_select="error_resilience"
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 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"
2509 # hardware accelerators
2510 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2511 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2512 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2513 vaapi_deps="va_va_h"
2514 vda_framework_deps="VideoDecodeAcceleration_VDADecoder_h"
2515 vda_framework_extralibs="-framework VideoDecodeAcceleration"
2516 vda_deps="vda_framework pthreads"
2517 vda_extralibs="-framework CoreFoundation -framework QuartzCore"
2518 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2519 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2520 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2521 xvmc_deps="X11_extensions_XvMClib_h"
2523 h263_vaapi_hwaccel_deps="vaapi"
2524 h263_vaapi_hwaccel_select="h263_decoder"
2525 h263_videotoolbox_hwaccel_deps="videotoolbox"
2526 h263_videotoolbox_hwaccel_select="h263_decoder"
2527 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2528 h264_d3d11va_hwaccel_deps="d3d11va"
2529 h264_d3d11va_hwaccel_select="h264_decoder"
2530 h264_dxva2_hwaccel_deps="dxva2"
2531 h264_dxva2_hwaccel_select="h264_decoder"
2532 h264_mediacodec_decoder_deps="mediacodec"
2533 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2534 h264_mmal_decoder_deps="mmal"
2535 h264_mmal_decoder_select="mmal"
2536 h264_mmal_hwaccel_deps="mmal"
2537 h264_qsv_hwaccel_deps="libmfx"
2538 h264_vaapi_hwaccel_deps="vaapi"
2539 h264_vaapi_hwaccel_select="h264_decoder"
2540 h264_vda_decoder_deps="vda"
2541 h264_vda_decoder_select="h264_decoder"
2542 h264_vda_hwaccel_deps="vda"
2543 h264_vda_hwaccel_select="h264_decoder"
2544 h264_vda_old_hwaccel_deps="vda"
2545 h264_vda_old_hwaccel_select="h264_decoder"
2546 h264_vdpau_decoder_deps="vdpau"
2547 h264_vdpau_decoder_select="h264_decoder"
2548 h264_vdpau_hwaccel_deps="vdpau"
2549 h264_vdpau_hwaccel_select="h264_decoder"
2550 h264_videotoolbox_hwaccel_deps="videotoolbox"
2551 h264_videotoolbox_hwaccel_select="h264_decoder"
2552 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2553 hevc_d3d11va_hwaccel_select="hevc_decoder"
2554 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2555 hevc_dxva2_hwaccel_select="hevc_decoder"
2556 hevc_qsv_hwaccel_deps="libmfx"
2557 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2558 hevc_vaapi_hwaccel_select="hevc_decoder"
2559 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2560 hevc_vdpau_hwaccel_select="hevc_decoder"
2561 mpeg_vdpau_decoder_deps="vdpau"
2562 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2563 mpeg_xvmc_hwaccel_deps="xvmc"
2564 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2565 mpeg1_vdpau_decoder_deps="vdpau"
2566 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2567 mpeg1_vdpau_hwaccel_deps="vdpau"
2568 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2569 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2570 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2571 mpeg1_xvmc_hwaccel_deps="xvmc"
2572 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2573 mpeg2_crystalhd_decoder_select="crystalhd"
2574 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2575 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2576 mpeg2_dxva2_hwaccel_deps="dxva2"
2577 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2578 mpeg2_mmal_decoder_deps="mmal"
2579 mpeg2_mmal_decoder_select="mmal"
2580 mpeg2_mmal_hwaccel_deps="mmal"
2581 mpeg2_qsv_hwaccel_deps="libmfx"
2582 mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"
2583 mpeg2_vaapi_hwaccel_deps="vaapi"
2584 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2585 mpeg2_vdpau_hwaccel_deps="vdpau"
2586 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2587 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2588 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2589 mpeg2_xvmc_hwaccel_deps="xvmc"
2590 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2591 mpeg4_crystalhd_decoder_select="crystalhd"
2592 mpeg4_mmal_decoder_deps="mmal"
2593 mpeg4_mmal_decoder_select="mmal"
2594 mpeg4_mmal_hwaccel_deps="mmal"
2595 mpeg4_vaapi_hwaccel_deps="vaapi"
2596 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2597 mpeg4_vdpau_decoder_deps="vdpau"
2598 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2599 mpeg4_vdpau_hwaccel_deps="vdpau"
2600 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2601 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2602 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2603 msmpeg4_crystalhd_decoder_select="crystalhd"
2604 vc1_crystalhd_decoder_select="crystalhd"
2605 vc1_d3d11va_hwaccel_deps="d3d11va"
2606 vc1_d3d11va_hwaccel_select="vc1_decoder"
2607 vc1_dxva2_hwaccel_deps="dxva2"
2608 vc1_dxva2_hwaccel_select="vc1_decoder"
2609 vc1_mmal_decoder_deps="mmal"
2610 vc1_mmal_decoder_select="mmal"
2611 vc1_mmal_hwaccel_deps="mmal"
2612 vc1_qsv_hwaccel_deps="libmfx"
2613 vc1_qsv_hwaccel_select="qsvdec_vc1"
2614 vc1_vaapi_hwaccel_deps="vaapi"
2615 vc1_vaapi_hwaccel_select="vc1_decoder"
2616 vc1_vdpau_decoder_deps="vdpau"
2617 vc1_vdpau_decoder_select="vc1_decoder"
2618 vc1_vdpau_hwaccel_deps="vdpau"
2619 vc1_vdpau_hwaccel_select="vc1_decoder"
2620 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2621 vp9_d3d11va_hwaccel_select="vp9_decoder"
2622 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2623 vp9_dxva2_hwaccel_select="vp9_decoder"
2624 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9"
2625 vp9_vaapi_hwaccel_select="vp9_decoder"
2626 wmv3_crystalhd_decoder_select="crystalhd"
2627 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2628 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2629 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2630 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2631 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2634 h264_parser_select="h264_decoder"
2635 hevc_parser_select="golomb"
2636 mpegvideo_parser_select="mpegvideo"
2637 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2638 vc1_parser_select="vc1dsp"
2641 mjpeg2jpeg_bsf_select="jpegtables"
2643 # external libraries
2644 chromaprint_muxer_deps="chromaprint"
2645 h264_videotoolbox_encoder_deps="videotoolbox_encoder pthreads"
2646 h264_videotoolbox_encoder_select="bzlib zlib iconv"
2647 libcelt_decoder_deps="libcelt"
2648 libdcadec_decoder_deps="libdcadec"
2649 libfaac_encoder_deps="libfaac"
2650 libfaac_encoder_select="audio_frame_queue"
2651 libfdk_aac_decoder_deps="libfdk_aac"
2652 libfdk_aac_encoder_deps="libfdk_aac"
2653 libfdk_aac_encoder_select="audio_frame_queue"
2654 libgme_demuxer_deps="libgme"
2655 libgsm_decoder_deps="libgsm"
2656 libgsm_encoder_deps="libgsm"
2657 libgsm_ms_decoder_deps="libgsm"
2658 libgsm_ms_encoder_deps="libgsm"
2659 libilbc_decoder_deps="libilbc"
2660 libilbc_encoder_deps="libilbc"
2661 libkvazaar_encoder_deps="libkvazaar"
2662 libmodplug_demuxer_deps="libmodplug"
2663 libmp3lame_encoder_deps="libmp3lame"
2664 libmp3lame_encoder_select="audio_frame_queue"
2665 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2666 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2667 libopencore_amrnb_encoder_select="audio_frame_queue"
2668 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2669 libopenh264_encoder_deps="libopenh264"
2670 libopenjpeg_decoder_deps="libopenjpeg"
2671 libopenjpeg_encoder_deps="libopenjpeg"
2672 libopus_decoder_deps="libopus"
2673 libopus_encoder_deps="libopus"
2674 libopus_encoder_select="audio_frame_queue"
2675 libschroedinger_decoder_deps="libschroedinger"
2676 libschroedinger_encoder_deps="libschroedinger"
2677 libshine_encoder_deps="libshine"
2678 libshine_encoder_select="audio_frame_queue"
2679 libspeex_decoder_deps="libspeex"
2680 libspeex_encoder_deps="libspeex"
2681 libspeex_encoder_select="audio_frame_queue"
2682 libtheora_encoder_deps="libtheora"
2683 libtwolame_encoder_deps="libtwolame"
2684 libutvideo_decoder_deps="libutvideo"
2685 libutvideo_encoder_deps="libutvideo"
2686 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2687 libvorbis_decoder_deps="libvorbis"
2688 libvorbis_encoder_deps="libvorbis"
2689 libvorbis_encoder_select="audio_frame_queue"
2690 libvpx_vp8_decoder_deps="libvpx"
2691 libvpx_vp8_encoder_deps="libvpx"
2692 libvpx_vp9_decoder_deps="libvpx"
2693 libvpx_vp9_encoder_deps="libvpx"
2694 libwavpack_encoder_deps="libwavpack"
2695 libwebp_encoder_deps="libwebp"
2696 libwebp_anim_encoder_deps="libwebp"
2697 libx262_encoder_deps="libx262"
2698 libx264_encoder_deps="libx264"
2699 libx264rgb_encoder_deps="libx264"
2700 libx264rgb_encoder_select="libx264_encoder"
2701 libx265_encoder_deps="libx265"
2702 libxavs_encoder_deps="libxavs"
2703 libxvid_encoder_deps="libxvid"
2704 libzvbi_teletext_decoder_deps="libzvbi"
2705 nvenc_encoder_deps="nvenc"
2706 nvenc_h264_encoder_deps="nvenc"
2707 nvenc_hevc_encoder_deps="nvenc"
2708 videotoolbox_deps="VideoToolbox_VideoToolbox_h"
2709 videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework CoreVideo"
2710 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
2711 videotoolbox_encoder_suggest="vda_framework"
2714 ac3_demuxer_select="ac3_parser"
2715 asf_demuxer_select="riffdec"
2716 asf_o_demuxer_select="riffdec"
2717 asf_muxer_select="riffenc"
2718 asf_stream_muxer_select="asf_muxer"
2719 avi_demuxer_select="iso_media riffdec exif"
2720 avi_muxer_select="riffenc"
2721 avisynth_demuxer_deps="avisynth"
2722 avisynth_demuxer_select="riffdec"
2723 caf_demuxer_select="iso_media riffdec"
2724 dash_muxer_select="mp4_muxer"
2725 dirac_demuxer_select="dirac_parser"
2726 dts_demuxer_select="dca_parser"
2727 dtshd_demuxer_select="dca_parser"
2728 dv_demuxer_select="dvprofile"
2729 dv_muxer_select="dvprofile"
2730 dxa_demuxer_select="riffdec"
2731 eac3_demuxer_select="ac3_parser"
2732 f4v_muxer_select="mov_muxer"
2733 flac_demuxer_select="flac_parser"
2734 hds_muxer_select="flv_muxer"
2735 hls_muxer_select="mpegts_muxer"
2736 image2_alias_pix_demuxer_select="image2_demuxer"
2737 image2_brender_pix_demuxer_select="image2_demuxer"
2738 ipod_muxer_select="mov_muxer"
2739 ismv_muxer_select="mov_muxer"
2740 libnut_demuxer_deps="libnut"
2741 libnut_muxer_deps="libnut"
2742 matroska_audio_muxer_select="matroska_muxer"
2743 matroska_demuxer_select="iso_media riffdec"
2744 matroska_demuxer_suggest="bzlib lzo zlib"
2745 matroska_muxer_select="iso_media riffenc"
2746 mmf_muxer_select="riffenc"
2747 mov_demuxer_select="iso_media riffdec"
2748 mov_demuxer_suggest="zlib"
2749 mov_muxer_select="iso_media riffenc rtpenc_chain"
2750 mp3_demuxer_select="mpegaudio_parser"
2751 mp4_muxer_select="mov_muxer"
2752 mpegts_demuxer_select="iso_media"
2753 mpegts_muxer_select="adts_muxer latm_muxer"
2754 mpegtsraw_demuxer_select="mpegts_demuxer"
2755 mxf_d10_muxer_select="mxf_muxer"
2756 mxf_opatom_muxer_select="mxf_muxer"
2757 nut_muxer_select="riffenc"
2758 nuv_demuxer_select="riffdec"
2759 oga_muxer_select="ogg_muxer"
2760 ogg_demuxer_select="dirac_parse"
2761 opus_muxer_select="ogg_muxer"
2762 psp_muxer_select="mov_muxer"
2763 rtp_demuxer_select="sdp_demuxer"
2764 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2765 rtsp_demuxer_select="http_protocol rtpdec"
2766 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2767 sap_demuxer_select="sdp_demuxer"
2768 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2769 sdp_demuxer_select="rtpdec"
2770 smoothstreaming_muxer_select="ismv_muxer"
2771 spdif_muxer_select="aac_parser"
2772 spx_muxer_select="ogg_muxer"
2773 swf_demuxer_suggest="zlib"
2774 tak_demuxer_select="tak_parser"
2775 tg2_muxer_select="mov_muxer"
2776 tgp_muxer_select="mov_muxer"
2777 vobsub_demuxer_select="mpegps_demuxer"
2778 w64_demuxer_select="wav_demuxer"
2779 w64_muxer_select="wav_muxer"
2780 wav_demuxer_select="riffdec"
2781 wav_muxer_select="riffenc"
2782 webm_muxer_select="iso_media riffenc"
2783 webm_dash_manifest_demuxer_select="matroska_demuxer"
2784 wtv_demuxer_select="mpegts_demuxer riffdec"
2785 wtv_muxer_select="mpegts_muxer riffenc"
2786 xmv_demuxer_select="riffdec"
2787 xwma_demuxer_select="riffdec"
2790 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2791 alsa_outdev_deps="alsa_asoundlib_h"
2792 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2793 avfoundation_indev_select="avfoundation"
2794 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2795 caca_outdev_deps="libcaca"
2796 decklink_indev_deps="decklink pthreads"
2797 decklink_indev_extralibs="-lstdc++"
2798 decklink_outdev_deps="decklink pthreads"
2799 decklink_outdev_extralibs="-lstdc++"
2800 dshow_indev_deps="IBaseFilter"
2801 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
2802 dv1394_indev_deps="dv1394"
2803 dv1394_indev_select="dv_demuxer"
2804 fbdev_indev_deps="linux_fb_h"
2805 fbdev_outdev_deps="linux_fb_h"
2806 gdigrab_indev_deps="CreateDIBSection"
2807 gdigrab_indev_extralibs="-lgdi32"
2808 gdigrab_indev_select="bmp_decoder"
2809 iec61883_indev_deps="libiec61883"
2810 jack_indev_deps="jack_jack_h"
2811 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
2812 lavfi_indev_deps="avfilter"
2813 libcdio_indev_deps="libcdio"
2814 libdc1394_indev_deps="libdc1394"
2815 libv4l2_indev_deps="libv4l2"
2816 openal_indev_deps="openal"
2817 opengl_outdev_deps="opengl"
2818 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2819 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2820 pulse_indev_deps="libpulse"
2821 pulse_outdev_deps="libpulse"
2822 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2823 qtkit_indev_select="qtkit"
2824 sdl_outdev_deps="sdl"
2825 sndio_indev_deps="sndio_h"
2826 sndio_outdev_deps="sndio_h"
2827 v4l_indev_deps="linux_videodev_h"
2828 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2829 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2830 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2831 vfwcap_indev_extralibs="-lavicap32"
2832 x11grab_indev_deps="x11grab"
2833 x11grab_xcb_indev_deps="libxcb"
2834 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2835 xv_outdev_extralibs="-lXv -lX11 -lXext"
2838 async_protocol_deps="threads"
2839 bluray_protocol_deps="libbluray"
2840 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2841 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2842 ffrtmpcrypt_protocol_select="tcp_protocol"
2843 ffrtmphttp_protocol_deps="!librtmp_protocol"
2844 ffrtmphttp_protocol_select="http_protocol"
2845 ftp_protocol_select="tcp_protocol"
2846 gopher_protocol_select="network"
2847 http_protocol_select="tcp_protocol"
2848 httpproxy_protocol_select="tcp_protocol"
2849 https_protocol_select="tls_protocol"
2850 icecast_protocol_select="http_protocol"
2851 librtmp_protocol_deps="librtmp"
2852 librtmpe_protocol_deps="librtmp"
2853 librtmps_protocol_deps="librtmp"
2854 librtmpt_protocol_deps="librtmp"
2855 librtmpte_protocol_deps="librtmp"
2856 libsmbclient_protocol_deps="libsmbclient gplv3"
2857 libssh_protocol_deps="libssh"
2858 mmsh_protocol_select="http_protocol"
2859 mmst_protocol_select="network"
2860 rtmp_protocol_deps="!librtmp_protocol"
2861 rtmp_protocol_select="tcp_protocol"
2862 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2863 rtmps_protocol_deps="!librtmp_protocol"
2864 rtmps_protocol_select="tls_protocol"
2865 rtmpt_protocol_select="ffrtmphttp_protocol"
2866 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2867 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2868 rtp_protocol_select="udp_protocol"
2869 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
2870 sctp_protocol_select="network"
2871 srtp_protocol_select="rtp_protocol"
2872 tcp_protocol_select="network"
2873 tls_gnutls_protocol_deps="gnutls !tls_schannel_protocol !tls_securetransport_protocol"
2874 tls_gnutls_protocol_select="tcp_protocol"
2875 tls_openssl_protocol_deps="openssl !tls_schannel_protocol !tls_securetransport_protocol !tls_gnutls_protocol"
2876 tls_openssl_protocol_select="tcp_protocol"
2877 tls_schannel_protocol_deps="schannel"
2878 tls_schannel_protocol_select="tcp_protocol"
2879 tls_securetransport_protocol_deps="securetransport"
2880 tls_securetransport_protocol_select="tcp_protocol"
2881 tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
2882 udp_protocol_select="network"
2883 udplite_protocol_select="network"
2884 unix_protocol_deps="sys_un_h"
2885 unix_protocol_select="network"
2888 afftfilt_filter_deps="avcodec"
2889 afftfilt_filter_select="fft"
2890 amovie_filter_deps="avcodec avformat"
2891 aresample_filter_deps="swresample"
2892 ass_filter_deps="libass"
2893 asyncts_filter_deps="avresample"
2894 atempo_filter_deps="avcodec"
2895 atempo_filter_select="rdft"
2896 azmq_filter_deps="libzmq"
2897 blackframe_filter_deps="gpl"
2898 boxblur_filter_deps="gpl"
2899 bs2b_filter_deps="libbs2b"
2900 colormatrix_filter_deps="gpl"
2901 cover_rect_filter_deps="avcodec avformat gpl"
2902 cropdetect_filter_deps="gpl"
2903 delogo_filter_deps="gpl"
2904 deshake_filter_select="pixelutils"
2905 drawtext_filter_deps="libfreetype"
2906 ebur128_filter_deps="gpl"
2907 eq_filter_deps="gpl"
2908 fftfilt_filter_deps="avcodec"
2909 fftfilt_filter_select="rdft"
2910 find_rect_filter_deps="avcodec avformat gpl"
2911 firequalizer_filter_deps="avcodec"
2912 firequalizer_filter_select="rdft"
2913 flite_filter_deps="libflite"
2914 frei0r_filter_deps="frei0r dlopen"
2915 frei0r_src_filter_deps="frei0r dlopen"
2916 fspp_filter_deps="gpl"
2917 geq_filter_deps="gpl"
2918 histeq_filter_deps="gpl"
2919 hqdn3d_filter_deps="gpl"
2920 hwupload_cuda_filter_deps="cuda"
2921 interlace_filter_deps="gpl"
2922 kerndeint_filter_deps="gpl"
2923 ladspa_filter_deps="ladspa dlopen"
2924 mcdeint_filter_deps="avcodec gpl"
2925 movie_filter_deps="avcodec avformat"
2926 mpdecimate_filter_deps="gpl"
2927 mpdecimate_filter_select="pixelutils"
2928 mptestsrc_filter_deps="gpl"
2929 negate_filter_deps="lut_filter"
2930 nnedi_filter_deps="gpl"
2931 ocr_filter_deps="libtesseract"
2932 ocv_filter_deps="libopencv"
2933 owdenoise_filter_deps="gpl"
2934 pan_filter_deps="swresample"
2935 perspective_filter_deps="gpl"
2936 phase_filter_deps="gpl"
2937 pp7_filter_deps="gpl"
2938 pp_filter_deps="gpl postproc"
2939 pullup_filter_deps="gpl"
2940 removelogo_filter_deps="avcodec avformat swscale"
2941 repeatfields_filter_deps="gpl"
2942 resample_filter_deps="avresample"
2943 rubberband_filter_deps="librubberband"
2944 sab_filter_deps="gpl swscale"
2945 scale2ref_filter_deps="swscale"
2946 scale_filter_deps="swscale"
2947 select_filter_select="pixelutils"
2948 showcqt_filter_deps="avcodec avformat swscale"
2949 showcqt_filter_select="fft"
2950 showfreqs_filter_deps="avcodec"
2951 showfreqs_filter_select="fft"
2952 showspectrum_filter_deps="avcodec"
2953 showspectrum_filter_select="fft"
2954 showspectrumpic_filter_deps="avcodec"
2955 showspectrumpic_filter_select="fft"
2956 smartblur_filter_deps="gpl swscale"
2957 sofalizer_filter_deps="netcdf avcodec"
2958 sofalizer_filter_select="fft"
2959 spectrumsynth_filter_deps="avcodec"
2960 spectrumsynth_filter_select="fft"
2961 spp_filter_deps="gpl avcodec"
2962 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
2963 stereo3d_filter_deps="gpl"
2964 subtitles_filter_deps="avformat avcodec libass"
2965 super2xsai_filter_deps="gpl"
2966 pixfmts_super2xsai_test_deps="super2xsai_filter"
2967 tinterlace_filter_deps="gpl"
2968 tinterlace_merge_test_deps="tinterlace_filter"
2969 tinterlace_pad_test_deps="tinterlace_filter"
2970 uspp_filter_deps="gpl avcodec"
2971 vidstabdetect_filter_deps="libvidstab"
2972 vidstabtransform_filter_deps="libvidstab"
2973 zmq_filter_deps="libzmq"
2974 zoompan_filter_deps="swscale"
2975 zscale_filter_deps="libzimg"
2978 avcodec_example_deps="avcodec avutil"
2979 avio_dir_cmd="avformat avutil"
2980 avio_reading="avformat avcodec avutil"
2981 decoding_encoding_example_deps="avcodec avformat avutil"
2982 demuxing_decoding_example_deps="avcodec avformat avutil"
2983 extract_mvs_example_deps="avcodec avformat avutil"
2984 filter_audio_example_deps="avfilter avutil"
2985 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2986 filtering_video_example_deps="avfilter avcodec avformat avutil"
2987 metadata_example_deps="avformat avutil"
2988 muxing_example_deps="avcodec avformat avutil swscale"
2989 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2990 remuxing_example_deps="avcodec avformat avutil"
2991 resampling_audio_example_deps="avutil swresample"
2992 scaling_video_example_deps="avutil swscale"
2993 transcode_aac_example_deps="avcodec avformat swresample"
2994 transcoding_example_deps="avfilter avcodec avformat avutil"
2996 # libraries, in linking order
2997 avcodec_deps="avutil"
2998 avdevice_deps="avformat avcodec avutil"
2999 avfilter_deps="avutil"
3000 avformat_deps="avcodec avutil"
3001 avresample_deps="avutil"
3002 postproc_deps="avutil gpl"
3003 swresample_deps="avutil"
3004 swscale_deps="avutil"
3007 ffmpeg_deps="avcodec avfilter avformat swresample"
3008 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3010 setpts_filter trim_filter"
3011 ffplay_deps="avcodec avformat swscale swresample sdl"
3012 ffplay_libs='$sdl_libs'
3013 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3014 ffprobe_deps="avcodec avformat"
3015 ffserver_deps="avformat fork sarestart"
3016 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
3019 podpages_deps="perl"
3020 manpages_deps="perl pod2man"
3021 htmlpages_deps="perl"
3022 htmlpages_deps_any="makeinfo_html texi2html"
3023 txtpages_deps="perl makeinfo"
3024 doc_deps_any="manpages htmlpages podpages txtpages"
3026 # default parameters
3028 logfile="config.log"
3030 # installation paths
3031 prefix_default="/usr/local"
3032 bindir_default='${prefix}/bin'
3033 datadir_default='${prefix}/share/ffmpeg'
3034 docdir_default='${prefix}/share/doc/ffmpeg'
3035 incdir_default='${prefix}/include'
3036 libdir_default='${prefix}/lib'
3037 mandir_default='${prefix}/share/man'
3043 host_cc_default="gcc"
3045 doxygen_default="doxygen"
3050 pkg_config_default=pkg-config
3051 ranlib_default="ranlib"
3052 strip_default="strip"
3053 yasmexe_default="yasm"
3054 windres_default="windres"
3057 target_os_default=$(tolower $(uname -s))
3058 host_os=$target_os_default
3061 if test "$target_os_default" = aix; then
3062 arch_default=$(uname -p)
3063 strip_default="strip -X32_64"
3065 arch_default=$(uname -m)
3070 # configurable options
3071 enable $PROGRAM_LIST
3072 enable $DOCUMENT_LIST
3073 enable $EXAMPLE_LIST
3074 enable $(filter_out avresample $LIBRARY_LIST)
3080 enable faan faandct faanidct
3081 enable optimizations
3082 enable runtime_cpudetect
3083 enable safe_bitstream_reader
3085 enable swscale_alpha
3086 enable valgrind_backtrace
3088 sws_max_filter_size_default=256
3089 set_default sws_max_filter_size
3091 # Enable hwaccels by default.
3092 enable d3d11va dxva2 vaapi vda vdpau videotoolbox_hwaccel xvmc
3095 enable vda_framework videotoolbox videotoolbox_encoder
3098 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3101 FULLNAME='$(NAME)$(BUILDSUF)'
3102 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3105 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3106 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3107 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3108 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3109 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3110 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3135 host_cflags_filter=echo
3136 host_ldflags_filter=echo
3138 target_path='$(CURDIR)'
3140 # since the object filename is not given with the -MM flag, the compiler
3141 # is only able to print the basename, and we must add the path ourselves
3142 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3146 if test -f configure; then
3149 source_path=$(cd $(dirname "$0"); pwd)
3150 case "$source_path" in
3151 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3153 test -e "$source_path/config.h" &&
3154 die "Out of tree builds are impossible with config.h in source dir."
3161 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3167 file=$source_path/$3
3168 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3171 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
3172 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
3173 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
3174 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
3175 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
3176 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
3177 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
3178 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
3179 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
3180 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3182 find_things_extern(){
3185 file=$source_path/$3
3186 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
3189 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3205 for n in $COMPONENT_LIST; do
3206 v=$(toupper ${n%s})_LIST
3208 eval ${n}_if_any="\$$v"
3211 enable $ARCH_EXT_LIST
3214 echo "Unknown option \"$1\"."
3215 echo "See $0 --help for available options."
3219 print_in_columns() {
3220 cols=$(expr $ncols / 24)
3221 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3227 echo $* | sed s/$suffix//g | print_in_columns
3239 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3240 echo "prob ${prob:-0.5}"
3248 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3249 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3258 --extra-ldexeflags=*)
3259 add_ldexeflags $optval
3261 --extra-ldlibflags=*)
3262 add_ldlibflags $optval
3265 add_extralibs $optval
3268 disable $INDEV_LIST $OUTDEV_LIST
3271 debuglevel="$optval"
3274 disable $PROGRAM_LIST
3276 --disable-everything)
3277 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3280 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3281 disable $LIBRARY_LIST $PROGRAM_LIST doc
3284 --enable-random|--disable-random)
3285 action=${opt%%-random}
3286 do_random ${action#--} $COMPONENT_LIST
3288 --enable-random=*|--disable-random=*)
3289 action=${opt%%-random=*}
3290 do_random ${action#--} $optval
3292 --enable-*=*|--disable-*=*)
3293 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3294 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3295 eval list=\$$(toupper $thing)_LIST
3296 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3297 list=$(filter "$name" $list)
3298 [ "$list" = "" ] && warn "Option $opt did not match anything"
3301 --enable-?*|--disable-?*)
3302 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3303 if is_in $option $COMPONENT_LIST; then
3304 test $action = disable && action=unset
3305 eval $action \$$(toupper ${option%s})_LIST
3306 elif is_in $option $CMDLINE_SELECT; then
3313 NAME="${opt#--list-}"
3314 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3316 eval show_list $NAME \$$(toupper $NAME)_LIST
3318 --help|-h) show_help
3320 --fatal-warnings) enable fatal_warnings
3323 optname="${opt%%=*}"
3324 optname="${optname#--}"
3325 optname=$(echo "$optname" | sed 's/-/_/g')
3326 if is_in $optname $CMDLINE_SET; then
3327 eval $optname='$optval'
3328 elif is_in $optname $CMDLINE_APPEND; then
3329 append $optname "$optval"
3341 disabled logging && logfile=/dev/null
3343 # Disable all the library-specific components if the library itself
3344 # is disabled, see AVCODEC_LIST and following _LIST variables.
3346 disable_components(){
3347 disabled ${1} && disable $(
3348 eval components="\$$(toupper ${1})_COMPONENTS"
3349 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3353 map 'disable_components $v' $LIBRARY_LIST
3355 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3358 test -n "$valgrind" && toolchain="valgrind-memcheck"
3360 case "$toolchain" in
3362 cc_default="${toolchain%-asan}"
3363 add_cflags -fsanitize=address
3364 add_ldflags -fsanitize=address
3367 cc_default="${toolchain%-tsan}"
3368 add_cflags -fsanitize=thread -pie
3369 add_ldflags -fsanitize=thread -pie
3370 case "$toolchain" in
3378 cc_default="${toolchain%-usan}"
3379 add_cflags -fsanitize=undefined
3380 add_ldflags -fsanitize=undefined
3383 target_exec_default="valgrind"
3384 case "$toolchain" in
3386 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"
3389 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3394 # Check whether the current MSVC version needs the C99 converter.
3395 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3396 # support enough of C99 to build ffmpeg. Default to the new
3397 # behaviour if the regexp was unable to match anything, since this
3398 # successfully parses the version number of existing supported
3399 # versions that require the converter (MSVC 2010 and 2012).
3400 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3401 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3404 cc_default="c99wrap cl"
3406 ld_default="$source_path/compat/windows/mslink"
3407 nm_default="dumpbin -symbols"
3414 target_os_default="win32"
3415 # Use a relative path for TMPDIR. This makes sure all the
3416 # ffconf temp files are written with a relative path, avoiding
3417 # issues with msys/win32 path conversion for MSVC parameters
3418 # such as -Fo<file> or -out:<file>.
3424 nm_default="dumpbin -symbols"
3426 target_os_default="win32"
3430 add_cflags -fprofile-arcs -ftest-coverage
3431 add_ldflags -fprofile-arcs -ftest-coverage
3434 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3435 add_cflags -fno-strict-overflow -fstack-protector-all
3436 add_ldflags -Wl,-z,relro -Wl,-z,now
3439 die "Unknown toolchain $toolchain"
3443 test -n "$cross_prefix" && enable cross_compile
3445 if enabled cross_compile; then
3446 test -n "$arch" && test -n "$target_os" ||
3447 die "Must specify target arch and OS when cross-compiling"
3450 ar_default="${cross_prefix}${ar_default}"
3451 cc_default="${cross_prefix}${cc_default}"
3452 cxx_default="${cross_prefix}${cxx_default}"
3453 nm_default="${cross_prefix}${nm_default}"
3454 pkg_config_default="${cross_prefix}${pkg_config_default}"
3455 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3456 ranlib_default="${cross_prefix}${ranlib_default} -D"
3458 ranlib_default="${cross_prefix}${ranlib_default}"
3460 strip_default="${cross_prefix}${strip_default}"
3461 windres_default="${cross_prefix}${windres_default}"
3463 sysinclude_default="${sysroot}/usr/include"
3465 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3466 target_exec target_os yasmexe
3467 enabled cross_compile || host_cc_default=$cc
3470 pkg_config_fail_message=""
3471 if ! $pkg_config --version >/dev/null 2>&1; then
3472 warn "$pkg_config not found, library detection may fail."
3474 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3475 pkg_config_fail_message="
3476 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3479 if test $doxygen != $doxygen_default && \
3480 ! $doxygen --version >/dev/null 2>&1; then
3481 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3486 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3490 EXESUF=$(exesuf $target_os)
3491 HOSTEXESUF=$(exesuf $host_os)
3493 # set temporary file name
3494 : ${TMPDIR:=$TEMPDIR}
3498 if [ -n "$tempprefix" ] ; then
3500 echo $tempprefix.${HOSTNAME}.${UID}
3502 elif ! check_cmd mktemp -u XXXXXX; then
3503 # simple replacement for missing mktemp
3504 # NOT SAFE FOR GENERAL USE
3506 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3511 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3512 (set -C; exec > $tmp) 2>/dev/null ||
3513 die "Unable to create temporary file in $TMPDIR."
3514 append TMPFILES $tmp
3518 trap 'rm -f -- $TMPFILES' EXIT
3523 tmpfile TMPE $EXESUF
3535 # make sure we can execute files in $TMPDIR
3536 cat > $TMPSH 2>> $logfile <<EOF
3539 chmod +x $TMPSH >> $logfile 2>&1
3540 if ! $TMPSH >> $logfile 2>&1; then
3542 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3543 variable to another directory and make sure that it is not mounted noexec.
3545 die "Sanity test failed."
3551 # Filter out MSVC cl.exe options from cflags that shouldn't
3552 # be passed to gas-preprocessor
3562 -std=c99) echo -c99 ;;
3563 -mcpu=*) echo -arch ${flag#*=} ;;
3564 -mieee) echo -ieee ;;
3565 -O*|-fast) echo $flag ;;
3566 -fno-math-errno) echo -assume nomath_errno ;;
3568 -Wall) echo -msg_enable level2 ;;
3569 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3570 -Wl,*) echo $flag ;;
3580 -Wno-switch) echo -Wno-switch-enum ;;
3581 -Wno-format-zero-length) ;;
3582 -Wdisabled-optimization) ;;
3583 -Wno-pointer-sign) echo -Wno-other ;;
3589 msvc_common_flags(){
3592 # In addition to specifying certain flags under the compiler
3593 # specific filters, they must be specified here as well or else the
3594 # generic catch all at the bottom will print the original flag.
3598 -fomit-frame-pointer) ;;
3602 -fno-signed-zeros) ;;
3606 -lz) echo zlib.lib ;;
3607 -lavifil32) echo vfw32.lib ;;
3608 -lavicap32) echo vfw32.lib user32.lib ;;
3609 -lx264) echo libx264.lib ;;
3610 -l*) echo ${flag#-l}.lib ;;
3611 -LARGEADDRESSAWARE) echo $flag ;;
3612 -L*) echo -libpath:${flag#-L} ;;
3619 msvc_common_flags "$@"
3622 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3623 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3624 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3626 -wd4273 -wd4554 -wd4701 ;;
3632 msvc_common_flags "$@"
3635 # Despite what Intel's documentation says -Wall, which is supported
3636 # on Windows, does enable remarks so disable them here.
3637 -Wall) echo $flag -Qdiag-disable:remark ;;
3638 -std=c99) echo -Qstd=c99 ;;
3656 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3657 -fomit-frame-pointer) echo -Mnoframe ;;
3668 case "${flag#*=}" in
3669 native) echo -xtarget=native ;;
3670 v9|niagara) echo -xarch=sparc ;;
3671 ultrasparc) echo -xarch=sparcvis ;;
3672 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3673 i586|pentium) echo -xchip=pentium ;;
3674 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3675 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3676 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3677 pentium4*) echo -xtarget=pentium4 ;;
3678 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3679 *-sse3) echo -xarch=sse3 ;;
3680 core2) echo -xarch=ssse3 -xchip=core2 ;;
3681 bonnell) echo -xarch=ssse3 ;;
3682 corei7|nehalem) echo -xtarget=nehalem ;;
3683 westmere) echo -xtarget=westmere ;;
3684 silvermont) echo -xarch=sse4_2 ;;
3685 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3686 core-avx*|ivybridge|haswell|broadwell)
3688 amdfam10|barcelona) echo -xtarget=barcelona ;;
3689 btver1) echo -xarch=amdsse4a ;;
3690 btver2|bdver*) echo -xarch=avx ;;
3691 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3692 k8|opteron|athlon64|athlon-fx)
3693 echo -xarch=sse2a ;;
3694 athlon*) echo -xarch=pentium_proa ;;
3697 -std=c99) echo -xc99 ;;
3698 -fomit-frame-pointer) echo -xregs=frameptr ;;
3699 -fPIC) echo -KPIC -xcode=pic32 ;;
3700 -W*,*) echo $flag ;;
3701 -f*-*|-W*|-mimpure-text) ;;
3712 case "${flag#*=}" in
3713 armv7-a|cortex-a*) echo -mv=7a8 ;;
3714 armv7-r|cortex-r*) echo -mv=7r4 ;;
3715 armv7-m|cortex-m*) echo -mv=7m3 ;;
3716 armv6*|arm11*) echo -mv=6 ;;
3717 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3719 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3722 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3723 -mfpu=vfp) echo --float_support=vfpv2 ;;
3724 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3725 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3726 -msoft-float) echo --float_support=vfplib ;;
3727 -O[0-3]|-mf=*) echo $flag ;;
3729 -pds=*) echo $flag ;;
3730 -D*|-I*) echo $flag ;;
3731 --gcc|--abi=*) echo $flag ;;
3742 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3743 unset _ld_o _ldflags _ld_lib _ld_path
3744 unset _depflags _DEPCMD _DEPFLAGS
3747 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3748 true # no-op to avoid reading stdin in following checks
3749 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3751 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3752 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3753 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3756 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3758 gcc_version=$($_cc --version | head -n1)
3759 gcc_basever=$($_cc -dumpversion)
3760 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3761 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3762 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3763 case $gcc_basever in
3766 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
3768 if [ "$first" = true ]; then
3769 case $gcc_basever in
3771 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
3776 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3778 _ident=$($_cc --version | head -n1)
3783 _flags_filter=icc_flags
3784 elif $_cc -v 2>&1 | grep -q xlc; then
3786 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3788 _cflags_size='-O5 -qcompact'
3789 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3791 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3793 _cflags_speed='-fast'
3795 _flags_filter=ccc_flags
3796 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3797 test -d "$sysroot" || die "No valid sysroot specified."
3799 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3800 armcc_conf="$PWD/armcc.conf"
3801 $_cc --arm_linux_configure \
3802 --arm_linux_config_file="$armcc_conf" \
3803 --configure_sysroot="$sysroot" \
3804 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3805 die "Error creating armcc configuration file."
3806 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3807 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3808 as_default="${cross_prefix}gcc"
3812 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3814 _ident=$($_cc -version | head -n1 | tr -s ' ')
3815 _flags='--gcc --abi=eabi -me'
3818 _depflags='-ppa -ppd=$(@:.o=.d)'
3819 _cflags_speed='-O3 -mf=5'
3820 _cflags_size='-O3 -mf=2'
3821 _flags_filter=tms470_flags
3822 elif $_cc -v 2>&1 | grep -q clang; then
3824 _ident=$($_cc --version 2>/dev/null | head -n1)
3825 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3828 elif $_cc -V 2>&1 | grep -q Sun; then
3830 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3831 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3832 _DEPFLAGS='-xM1 -xc99'
3835 _cflags_size='-O5 -xspace'
3836 _flags_filter=suncc_flags
3837 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3839 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3840 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3843 _flags_filter='filter_out -Wdisabled-optimization'
3844 elif $_cc -v 2>&1 | grep -q Open64; then
3846 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3847 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3850 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3851 elif $_cc -V 2>&1 | grep -q Portland; then
3853 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3854 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3855 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3856 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3858 _flags_filter=pgi_flags
3859 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3861 _ident=$($_cc | head -n1)
3862 # 4509: "This form of conditional instruction is deprecated"
3863 _flags="-nologo -ignore 4509"
3864 _flags_filter=armasm_flags
3865 elif $_cc 2>&1 | grep -q Intel; then
3867 _ident=$($_cc 2>&1 | head -n1)
3868 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3869 # Not only is O3 broken on 13.x+ but it is slower on all previous
3870 # versions (tested) as well.
3872 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3873 if $_cc 2>&1 | grep -q Linker; then
3880 _flags_filter=icl_flags
3882 _ld_path='-libpath:'
3883 # -Qdiag-error to make icl error when seeing certain unknown arguments
3884 _flags='-nologo -Qdiag-error:4044,10157'
3885 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3886 # with MSVC which enables it by default.
3887 _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3889 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3891 _ident=$($_cc 2>&1 | head -n1)
3892 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3893 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3896 if $_cc -nologo- 2>&1 | grep -q Linker; then
3903 _flags_filter=msvc_flags
3905 _ld_path='-libpath:'
3907 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS'
3909 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3911 _ident=$($_cc --version | head -n1)
3915 _flags_filter=cparser_flags
3918 eval ${pfx}_type=\$_type
3919 eval ${pfx}_ident=\$_ident
3923 eval ${1}_C=\${_cc_c-\${${1}_C}}
3924 eval ${1}_E=\${_cc_e-\${${1}_E}}
3925 eval ${1}_O=\${_cc_o-\${${1}_O}}
3927 if [ -n "$_depflags" ]; then
3928 eval ${1}_DEPFLAGS=\$_depflags
3930 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3931 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3932 eval DEP${1}FLAGS=\$_flags
3936 probe_cc cc "$cc" "true"
3937 cflags_filter=$_flags_filter
3938 cflags_speed=$_cflags_speed
3939 cflags_size=$_cflags_size
3940 cflags_noopt=$_cflags_noopt
3941 add_cflags $_flags $_cflags
3942 cc_ldflags=$_ldflags
3945 probe_cc hostcc "$host_cc"
3946 host_cflags_filter=$_flags_filter
3947 add_host_cflags $_flags $_cflags
3950 test -n "$cc_type" && enable $cc_type ||
3951 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3953 : ${as_default:=$cc}
3954 : ${objcc_default:=$cc}
3955 : ${dep_cc_default:=$cc}
3956 : ${ld_default:=$cc}
3957 : ${host_ld_default:=$host_cc}
3958 set_default ar as objcc dep_cc ld host_ld windres
3961 asflags_filter=$_flags_filter
3962 add_asflags $_flags $_cflags
3965 probe_cc objcc "$objcc"
3966 objcflags_filter=$_flags_filter
3967 add_objcflags $_flags $_cflags
3971 ldflags_filter=$_flags_filter
3972 add_ldflags $_flags $_ldflags
3973 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3975 LD_LIB=${_ld_lib-$LD_LIB}
3976 LD_PATH=${_ld_path-$LD_PATH}
3978 probe_cc hostld "$host_ld"
3979 host_ldflags_filter=$_flags_filter
3980 add_host_ldflags $_flags $_ldflags
3981 HOSTLD_O=${_ld_o-$HOSTLD_O}
3983 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3984 probe_cc depcc "$dep_cc"
3985 CCDEP=${_DEPCMD:-$DEPCMD}
3986 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3990 if $ar 2>&1 | grep -q Microsoft; then
3993 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3996 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3997 arflags='-Xany -r -c'
3999 elif $ar 2>&1 | grep -q "\[D\] "; then
4007 add_cflags $extra_cflags
4008 add_cxxflags $extra_cxxflags
4009 add_objcflags $extra_objcflags
4010 add_asflags $extra_cflags
4012 if test -n "$sysroot"; then
4015 add_cppflags --sysroot="$sysroot"
4016 add_ldflags --sysroot="$sysroot"
4017 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
4018 add_cppflags -isysroot "$sysroot"
4019 add_ldflags -isysroot "$sysroot"
4022 add_cppflags -I"$sysinclude"
4023 add_ldflags --sysroot="$sysroot"
4028 if test "$cpu" = host; then
4029 enabled cross_compile &&
4030 die "--cpu=host makes no sense when cross-compiling."
4035 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4037 s/.*$1=\\([^ ]*\\).*/\\1/
4042 cpu=$(check_native -march || check_native -mcpu)
4046 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4047 sed -n "/cc1.*-target-cpu /{
4048 s/.*-target-cpu \\([^ ]*\\).*/\\1/
4053 cpu=$(check_native -march)
4057 test "${cpu:-host}" = host &&
4058 die "--cpu=host not supported with compiler $cc"
4061 # Deal with common $arch aliases
4085 "Power Macintosh"|ppc*|powerpc*)
4100 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
4105 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
4108 # Add processor-specific flags
4109 if enabled aarch64; then
4113 cpuflags="-march=$cpu"
4116 cpuflags="-mcpu=$cpu"
4120 elif enabled alpha; then
4122 cpuflags="-mcpu=$cpu"
4124 elif enabled arm; then
4127 check_cpp_condition stddef.h \
4128 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4133 if check_arm_arch 4; then echo armv4;
4134 elif check_arm_arch 4T; then echo armv4t;
4135 elif check_arm_arch 5; then echo armv5;
4136 elif check_arm_arch 5E; then echo armv5e;
4137 elif check_arm_arch 5T; then echo armv5t;
4138 elif check_arm_arch 5TE; then echo armv5te;
4139 elif check_arm_arch 5TEJ; then echo armv5te;
4140 elif check_arm_arch 6; then echo armv6;
4141 elif check_arm_arch 6J; then echo armv6j;
4142 elif check_arm_arch 6K; then echo armv6k;
4143 elif check_arm_arch 6Z; then echo armv6z;
4144 elif check_arm_arch 6ZK; then echo armv6zk;
4145 elif check_arm_arch 6T2; then echo armv6t2;
4146 elif check_arm_arch 7; then echo armv7;
4147 elif check_arm_arch 7A 7_A; then echo armv7-a;
4148 elif check_arm_arch 7S; then echo armv7-a;
4149 elif check_arm_arch 7R 7_R; then echo armv7-r;
4150 elif check_arm_arch 7M 7_M; then echo armv7-m;
4151 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
4152 elif check_arm_arch 8A 8_A; then echo armv8-a;
4156 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4160 cpuflags="-march=$cpu"
4161 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4164 cpuflags="-mcpu=$cpu"
4166 cortex-a*) subarch=armv7a ;;
4167 cortex-r*) subarch=armv7r ;;
4168 cortex-m*) enable thumb; subarch=armv7m ;;
4169 arm11*) subarch=armv6 ;;
4170 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4171 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4172 *) subarch=$(probe_arm_arch) ;;
4178 armv5t*) enable fast_clz ;;
4181 disabled fast_unaligned || enable fast_unaligned
4185 elif enabled avr32; then
4190 cpuflags="-mpart=$cpu"
4194 cpuflags="-march=$cpu"
4198 cpuflags="-mcpu=$cpu"
4202 cpuflags="-march=$cpu"
4206 elif enabled bfin; then
4208 cpuflags="-mcpu=$cpu"
4210 elif enabled mips; then
4212 cpuflags="-march=$cpu"
4214 if [ "$cpu" != "generic" ]; then
4224 24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)
4235 enable local_aligned_8 local_aligned_16 local_aligned_32
4236 enable simd_align_16
4240 enable fast_unaligned
4241 disable aligned_stack
4244 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4247 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4250 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4255 # Unknown CPU. Disable everything.
4256 warn "unknown CPU. Disabling all MIPS optimizations."
4279 24kef*|34kf*|1004kf*)
4287 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"
4291 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4295 # We do not disable anything. Is up to the user to disable the unwanted features.
4296 warn 'generic cpu selected'
4299 elif enabled ppc; then
4303 case $(tolower $cpu) in
4304 601|ppc601|powerpc601)
4305 cpuflags="-mcpu=601"
4308 603*|ppc603*|powerpc603*)
4309 cpuflags="-mcpu=603"
4312 604*|ppc604*|powerpc604*)
4313 cpuflags="-mcpu=604"
4316 g3|75*|ppc75*|powerpc75*)
4317 cpuflags="-mcpu=750"
4320 g4|745*|ppc745*|powerpc745*)
4321 cpuflags="-mcpu=7450"
4324 74*|ppc74*|powerpc74*)
4325 cpuflags="-mcpu=7400"
4328 g5|970|ppc970|powerpc970)
4329 cpuflags="-mcpu=970"
4333 cpuflags="-mcpu=$cpu"
4337 cpuflags="-mcpu=$cpu"
4340 cpuflags="-mcpu=cell"
4345 cpuflags="-mcpu=e500mc"
4349 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4354 cpuflags="-mcpu=8540 -mhard-float"
4360 elif enabled sparc; then
4363 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4364 cpuflags="-mcpu=$cpu"
4366 ultrasparc*|niagara[234])
4367 cpuflags="-mcpu=$cpu"
4371 elif enabled x86; then
4375 cpuflags="-march=$cpu"
4379 # targets that do NOT support nopl and conditional mov (cmov)
4380 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4381 cpuflags="-march=$cpu"
4384 # targets that do support nopl and conditional mov (cmov)
4385 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4386 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)
4387 cpuflags="-march=$cpu"
4391 # targets that do support conditional mov but on which it's slow
4392 pentium4|pentium4m|prescott|nocona)
4393 cpuflags="-march=$cpu"
4401 if [ "$cpu" != generic ]; then
4402 add_cflags $cpuflags
4403 add_asflags $cpuflags
4404 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4407 # compiler sanity check
4409 int main(void){ return 0; }
4411 if test "$?" != 0; then
4412 echo "$cc is unable to create an executable file."
4413 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4414 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4415 echo "Only do this if you know what cross compiling means."
4417 die "C compiler test failed."
4420 add_cppflags -D_ISOC99_SOURCE
4421 add_cxxflags -D__STDC_CONSTANT_MACROS
4422 check_cflags -std=c99
4423 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
4426 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
4430 add_host_cppflags -D_ISOC99_SOURCE
4431 check_host_cflags -std=c99
4432 check_host_cflags -Wall
4433 check_host_cflags -O3
4439 check_code cc "" "int test[2*($expr) - 1]" &&
4440 subarch=$arch64 || subarch=$arch32
4448 check_64bit mips mips64 '_MIPS_SIM > 1'
4452 check_64bit parisc parisc64 'sizeof(void *) > 4'
4456 check_64bit ppc ppc64 'sizeof(void *) > 4'
4460 check_64bit s390 s390x 'sizeof(void *) > 4'
4464 check_64bit sparc sparc64 'sizeof(void *) > 4'
4468 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4469 # Treat x32 as x64 for now. Note it also needs spic=$shared
4470 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4472 if test "$subarch" = "x86_64"; then
4477 check_cc <<EOF && subarch="ppc64"
4478 int test[(int)sizeof(char*) - 7];
4484 enabled spic && enable_weak pic
4490 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4491 enabled shared && add_ldflags -Wl,-brtl
4495 enable section_data_rel_ro
4496 SLIB_INSTALL_NAME='$(SLIBNAME)'
4498 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
4501 prefix_default="/boot/common"
4502 network_extralibs="-lnetwork"
4506 SHFLAGS='-shared -Wl,-h,$$(@F)'
4507 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
4508 network_extralibs="-lsocket -lnsl"
4509 add_cppflags -D__EXTENSIONS__
4510 # When using suncc to build, the Solaris linker will mark
4511 # an executable with each instruction set encountered by
4512 # the Solaris assembler. As our libraries contain their own
4513 # guards for processor-specific code, instead suppress
4514 # generation of the HWCAPS ELF section on Solaris x86 only.
4515 enabled_all suncc x86 &&
4516 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4517 add_ldflags -Wl,-M,mapfile
4518 nm_default='nm -P -g'
4519 SLIB_CREATE_DEF_CMD='$(Q)perl $(SRC_PATH)/compat/solaris/make_sunver.pl $$(filter %.ver,$$^) $(OBJS) | grep -v @ > $(SUBDIR)lib$(NAME).ver-sol2'
4523 oss_indev_extralibs="-lossaudio"
4524 oss_outdev_extralibs="-lossaudio"
4525 enabled gcc || check_ldflags -Wl,-zmuldefs
4530 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4532 oss_indev_extralibs="-lossaudio"
4533 oss_outdev_extralibs="-lossaudio"
4541 add_extralibs -lpoll -lgnugetopt
4545 enabled ppc && add_asflags -force_cpusubtype_ALL
4546 install_name_dir_default='$(SHLIBDIR)'
4547 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4548 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4550 add_ldflags -Wl,-dynamic,-search_paths_first
4552 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4553 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4555 enabled x86_64 && objformat="macho64"
4556 enabled_any pic shared x86_64 ||
4557 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4558 check_header dispatch/dispatch.h
4561 die "Native MSYS builds are discouraged, please use the MINGW environment.";
4564 if test $target_os = "mingw32ce"; then
4569 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
4570 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
4572 if enabled x86_64; then
4573 LIBTARGET="i386:x86-64"
4574 elif enabled arm; then
4577 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4578 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4579 shlibdir_default="$bindir_default"
4582 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4583 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4584 dlltool="${cross_prefix}dlltool"
4585 if check_cmd lib.exe -list; then
4586 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4587 if enabled x86_64; then
4590 elif check_cmd $dlltool --version; then
4591 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4593 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4595 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4596 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4597 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--disable-auto-image-base'
4601 check_ldflags -Wl,--nxcompat,--dynamicbase
4602 # Lets work around some stupidity in binutils.
4603 # ld will strip relocations from executables even though we need them
4604 # for dynamicbase (ASLR). Using -pie does retain the reloc section
4605 # however ld then forgets what the entry point should be (oops) so we
4606 # have to manually (re)set it.
4607 if enabled x86_32; then
4608 add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
4609 elif enabled x86_64; then
4610 add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
4611 check_ldflags -Wl,--high-entropy-va # binutils 2.25
4612 # Set image base >4GB for extra entropy with HEASLR
4613 add_ldexeflags -Wl,--image-base,0x140000000
4614 append SHFLAGS -Wl,--image-base,0x180000000
4619 if enabled shared; then
4620 # Link to the import library instead of the normal static library
4623 # Cannot build both shared and static libs with MSVC or icl.
4626 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
4627 shlibdir_default="$bindir_default"
4630 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4631 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4632 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4633 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4635 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4636 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4637 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4644 shlibdir_default="$bindir_default"
4647 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4648 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4649 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4651 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4652 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4655 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4657 *-dos|freedos|opendos)
4658 network_extralibs="-lsocket"
4661 add_cppflags -U__STRICT_ANSI__
4665 enable section_data_rel_ro
4669 ranlib="echo ignoring ranlib"
4675 add_cppflags -D_GNU_SOURCE
4676 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4677 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4681 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4682 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4683 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4684 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4685 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4686 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4687 emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'
4688 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4689 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4690 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4692 enable_weak os2threads
4695 add_cppflags -D_BSD_SOURCE
4700 add_cppflags -D_QNX_SOURCE
4701 network_extralibs="-lsocket"
4706 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4707 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4708 add_ldflags -Wl,--target1-abs,--no-undefined \
4709 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4710 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4711 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4712 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4713 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4716 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4721 add_cppflags -D_C99_SNPRINTF_EXTENSION \
4722 -D_REENTRANT_SOURCE \
4723 -D_RESEARCH_SOURCE \
4726 add_compat strtod.o strtod=avpriv_strtod
4727 network_extralibs='-lbsd'
4728 exeobjs=compat/plan9/main.o
4735 die "Unknown OS '$target_os'."
4739 # test if creating links works
4740 link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)
4741 link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)
4743 $ln_s "$link_dest" "$link_name"
4744 touch "$link_dest/test_file"
4745 if [ "$source_path" != "." ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then
4746 # create link to source path
4747 [ -e src ] && rm src
4748 $ln_s "$source_path" src
4751 # creating directory links doesn't work
4752 # fall back to using the full source path
4753 source_link="$source_path"
4759 # determine libc flavour
4764 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4765 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4766 eval ${pfx}libc_type=uclibc
4767 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4768 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4769 eval ${pfx}libc_type=glibc
4770 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4771 # MinGW headers can be installed on Cygwin, so check for newlib first.
4772 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4773 eval ${pfx}libc_type=newlib
4774 add_${pfx}cppflags -U__STRICT_ANSI__
4775 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4776 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4777 eval ${pfx}libc_type=mingw64
4778 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
4779 add_compat msvcrt/snprintf.o
4780 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
4782 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4783 eval test \$${pfx_no_}cc_type = "gcc" &&
4784 add_${pfx}cppflags -D__printf__=__gnu_printf__
4785 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4786 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4787 eval ${pfx}libc_type=mingw32
4788 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4789 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4790 die "ERROR: MinGW32 runtime version must be >= 3.15."
4791 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4792 eval test \$${pfx_no_}cc_type = "gcc" &&
4793 add_${pfx}cppflags -D__printf__=__gnu_printf__
4794 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4795 eval ${pfx}libc_type=msvcrt
4796 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
4797 if [ "$pfx" = host_ ]; then
4798 add_host_cppflags -Dsnprintf=_snprintf
4800 add_compat strtod.o strtod=avpriv_strtod
4801 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4802 _snprintf=avpriv_snprintf \
4803 vsnprintf=avpriv_vsnprintf
4806 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4807 # 0x601 by default unless something else is set by the user.
4808 # This can easily lead to us detecting functions only present
4809 # in such new versions and producing binaries requiring windows 7.0.
4810 # Therefore explicitly set the default to XP unless the user has
4811 # set something else on the command line.
4812 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
4813 # family. For these cases, configure is free to use any functions
4814 # found in the SDK headers by default. (Alternatively, we could force
4815 # _WIN32_WINNT to 0x0602 in that case.)
4816 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4817 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }
4818 #ifdef WINAPI_FAMILY
4819 #include <winapifamily.h>
4820 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
4825 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4826 eval ${pfx}libc_type=klibc
4827 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4828 eval ${pfx}libc_type=bionic
4829 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4830 eval ${pfx}libc_type=solaris
4831 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4833 check_${pfx}cc <<EOF
4835 void *v = localtime_r;
4837 test "$?" != 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
4839 void *v = localtime_r;
4845 test -n "$libc_type" && enable libc_$libc_type
4847 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4851 add_compat strtod.o strtod=avpriv_strtod
4855 # hacks for compiler/libc/os combinations
4857 if enabled_all tms470 libc_glibc; then
4858 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4859 add_cppflags -D__USER_LABEL_PREFIX__=
4860 add_cppflags -D__builtin_memset=memset
4861 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4862 add_cflags -pds=48 # incompatible redefinition of macro
4865 if enabled_all ccc libc_glibc; then
4866 add_ldflags -Wl,-z,now # calls to libots crash without this
4869 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4870 add_cppflags '-I\$(SRC_PATH)/compat/float'
4873 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4876 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
4878 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4881 : ${shlibdir_default:="$libdir"}
4882 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
4884 set_default $PATHS_LIST
4887 # we need to build at least one lib type
4888 if ! enabled_any static shared; then
4890 At least one library type must be built.
4891 Specify --enable-static to build the static libraries or --enable-shared to
4892 build the shared libraries as well. To only build the shared libraries specify
4893 --disable-static in addition to --enable-shared.
4898 die_license_disabled() {
4899 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
4902 die_license_disabled_gpl() {
4903 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
4906 die_license_disabled gpl frei0r
4907 die_license_disabled gpl libcdio
4908 die_license_disabled gpl librubberband
4909 die_license_disabled gpl libsmbclient
4910 die_license_disabled gpl libutvideo
4911 die_license_disabled gpl libvidstab
4912 die_license_disabled gpl libx264
4913 die_license_disabled gpl libx265
4914 die_license_disabled gpl libxavs
4915 die_license_disabled gpl libxvid
4916 die_license_disabled gpl x11grab
4918 die_license_disabled nonfree cuda
4919 die_license_disabled nonfree libfaac
4920 die_license_disabled nonfree nvenc
4921 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
4922 enabled gpl && die_license_disabled_gpl nonfree openssl
4924 die_license_disabled version3 gmp
4925 die_license_disabled version3 libopencore_amrnb
4926 die_license_disabled version3 libopencore_amrwb
4927 die_license_disabled version3 libsmbclient
4928 die_license_disabled version3 libvo_amrwbenc
4930 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4932 disabled optimizations || check_cflags -fomit-frame-pointer
4935 disabled pic && return
4938 case "$target_os" in
4948 enabled pic && enable_weak_pic
4950 check_cc <<EOF || die "Symbol mangling check failed."
4953 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4954 extern_prefix=${sym%%ff_extern*}
4956 check_cc <<EOF && enable_weak inline_asm
4957 void foo(void) { __asm__ volatile ("" ::); }
4961 for restrict_keyword in restrict __restrict__ __restrict; do
4962 check_cc <<EOF && _restrict=$restrict_keyword && break
4963 void foo(char * $restrict_keyword p);
4967 check_cc <<EOF && enable pragma_deprecated
4968 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4971 check_cc <<EOF && enable attribute_packed
4972 struct { int x; } __attribute__((packed)) x;
4975 check_cc <<EOF && enable attribute_may_alias
4976 union { int x; } __attribute__((may_alias)) x;
4979 check_cc <<EOF || die "endian test failed"
4980 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4982 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4984 if ! enabled ppc64 || enabled bigendian; then
4989 log "check_gas using '$as' as AS"
4990 # :vararg is used on aarch64, arm and ppc altivec
4991 check_as <<EOF || return 1
4992 .macro m n, y:vararg=0
4997 # .altmacro is only used in arm asm
4998 ! enabled arm || check_as <<EOF || return 1
5005 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
5007 enabled_any arm aarch64 && nogas=die
5008 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
5012 arm*) gaspp_as_type=armasm; as_noop=-h ;;
5013 gcc) gaspp_as_type=gas ;;
5014 *) gaspp_as_type=$as_type ;;
5017 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
5019 test "${as#*gas-preprocessor.pl}" != "$as" ||
5020 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
5021 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
5023 if ! check_gas ; then
5026 $nogas "GNU assembler not found, install/update gas-preprocessor"
5029 check_as <<EOF && enable as_func
5035 check_inline_asm inline_asm_labels '"1:\n"'
5037 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
5039 if enabled aarch64; then
5040 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
5041 # internal assembler in clang 3.3 does not support this instruction
5042 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
5043 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
5045 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
5047 elif enabled alpha; then
5051 elif enabled arm; then
5053 enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb
5055 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
5056 float func(float a, float b){ return a+b; }
5059 enabled thumb && check_cflags -mthumb || check_cflags -marm
5061 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
5063 elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
5065 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
5066 case "${cross_prefix:-$cc}" in
5067 *hardfloat*) enable vfp_args; fpabi=vfp ;;
5068 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
5069 __asm__ (".eabi_attribute 28, 1");
5070 int main(void) { return 0; }
5073 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
5076 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
5077 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
5078 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
5079 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
5080 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
5081 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
5082 enabled setend && check_insn setend 'setend be'
5084 [ $target_os = linux ] || [ $target_os = android ] ||
5085 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
5088 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
5090 check_as <<EOF && enable as_dn_directive
5095 # llvm's integrated assembler supports .object_arch from llvm 3.5
5096 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
5100 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
5102 elif enabled mips; then
5104 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
5105 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
5106 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
5108 # Enable minimum ISA based on selected options
5109 if enabled mips64; then
5110 enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'
5111 enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'
5112 disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'
5114 enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'
5115 enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'
5116 enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'
5117 disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'
5120 enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'
5121 enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'
5122 enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_header msa.h || disable msa
5123 enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'
5124 enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'
5126 elif enabled parisc; then
5128 if enabled gcc; then
5129 case $($cc -dumpversion) in
5130 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
5134 elif enabled ppc; then
5136 enable local_aligned_8 local_aligned_16 local_aligned_32
5138 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
5139 check_inline_asm ibm_asm '"add 0, 0, 0"'
5140 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
5141 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
5143 # AltiVec flags: The FSF version of GCC differs from the Apple version
5144 if enabled altivec; then
5145 check_cflags -maltivec -mabi=altivec &&
5146 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
5147 check_cflags -faltivec
5149 # check if our compiler supports Motorola AltiVec C API
5150 check_cc <<EOF || disable altivec
5153 vector signed int v1 = (vector signed int) { 0 };
5154 vector signed int v2 = (vector signed int) { 1 };
5155 v1 = vec_add(v1, v2);
5160 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
5163 if enabled vsx; then
5164 check_cflags -mvsx &&
5165 check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx
5168 if enabled power8; then
5169 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
5172 elif enabled x86; then
5174 check_builtin rdtsc intrin.h "__rdtsc()"
5175 check_builtin mm_empty mmintrin.h "_mm_empty()"
5177 enable local_aligned_8 local_aligned_16 local_aligned_32
5179 # check whether EBP is available on x86
5180 # As 'i' is stored on the stack, this program will crash
5181 # if the base pointer is used to access it because the
5182 # base pointer is cleared in the inline assembly code.
5183 check_exec_crash <<EOF && enable ebp_available
5185 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
5189 # check whether EBX is available on x86
5190 check_inline_asm ebx_available '""::"b"(0)' &&
5191 check_inline_asm ebx_available '"":::"%ebx"'
5193 # check whether xmm clobbers are supported
5194 check_inline_asm xmm_clobbers '"":::"%xmm0"'
5196 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
5197 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
5199 # check whether binutils is new enough to compile SSSE3/MMXEXT
5200 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
5201 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
5203 if ! disabled_any asm mmx yasm; then
5204 if check_cmd $yasmexe --version; then
5205 enabled x86_64 && yasm_extra="-m amd64"
5206 yasm_debug="-g dwarf2"
5207 elif check_cmd nasm -v; then
5209 yasm_debug="-g -F dwarf"
5210 if enabled x86_64; then
5211 case "$objformat" in
5212 elf) objformat=elf64 ;;
5213 win32) objformat=win64 ;;
5218 YASMFLAGS="-f $objformat $yasm_extra"
5219 enabled pic && append YASMFLAGS "-DPIC"
5220 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
5221 case "$objformat" in
5222 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
5225 check_yasm "movbe ecx, [5]" && enable yasm ||
5226 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
5227 check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
5228 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
5229 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
5230 check_yasm "CPU amdnop" || disable cpunop
5234 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
5241 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
5243 check_ldflags -Wl,--as-needed
5244 check_ldflags -Wl,-z,noexecstack
5246 if check_func dlopen; then
5248 elif check_func dlopen -ldl; then
5252 decklink_outdev_extralibs="$decklink_outdev_extralibs $ldl"
5253 decklink_indev_extralibs="$decklink_indev_extralibs $ldl"
5254 frei0r_filter_extralibs='$ldl'
5255 frei0r_src_filter_extralibs='$ldl'
5256 ladspa_filter_extralibs='$ldl'
5257 nvenc_encoder_extralibs='$ldl'
5259 if ! disabled network; then
5260 check_func getaddrinfo $network_extralibs
5261 check_func inet_aton $network_extralibs
5263 check_type netdb.h "struct addrinfo"
5264 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
5265 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
5266 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
5267 check_type poll.h "struct pollfd"
5268 check_type netinet/sctp.h "struct sctp_event_subscribe"
5269 check_struct "sys/socket.h" "struct msghdr" msg_flags
5270 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5271 check_type netinet/in.h "struct sockaddr_in6"
5272 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
5273 check_type "sys/types.h sys/socket.h" socklen_t
5275 # Prefer arpa/inet.h over winsock2
5276 if check_header arpa/inet.h ; then
5277 check_func closesocket
5278 elif check_header winsock2.h ; then
5279 check_func_headers winsock2.h closesocket -lws2 &&
5280 network_extralibs="-lws2" ||
5281 { check_func_headers winsock2.h closesocket -lws2_32 &&
5282 network_extralibs="-lws2_32"; } || disable winsock2_h network
5283 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
5285 check_type ws2tcpip.h socklen_t
5286 check_type ws2tcpip.h "struct addrinfo"
5287 check_type ws2tcpip.h "struct group_source_req"
5288 check_type ws2tcpip.h "struct ip_mreq_source"
5289 check_type ws2tcpip.h "struct ipv6_mreq"
5290 check_type winsock2.h "struct pollfd"
5291 check_struct winsock2.h "struct sockaddr" sa_len
5292 check_type ws2tcpip.h "struct sockaddr_in6"
5293 check_type ws2tcpip.h "struct sockaddr_storage"
5299 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
5300 check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"
5301 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
5302 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
5303 check_builtin sarestart signal.h "SA_RESTART"
5304 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" -lpthread
5305 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
5306 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
5307 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
5309 case "$custom_allocator" in
5311 # jemalloc by default does not use a prefix
5312 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
5315 require_pkg_config libtcmalloc gperftools/tcmalloc.h tc_malloc
5320 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
5321 check_func ${malloc_prefix}memalign && enable memalign
5322 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5325 check_func arc4random
5326 check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
5329 check_func gethrtime
5331 check_func getrusage
5332 check_func gettimeofday
5334 check_func mach_absolute_time
5338 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5339 check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
5340 check_func sched_getaffinity
5341 check_func setrlimit
5342 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5343 check_func strerror_r
5348 check_func_headers conio.h kbhit
5349 check_func_headers io.h setmode
5350 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5351 check_func_headers stdlib.h getenv
5352 check_func_headers sys/stat.h lstat
5354 check_func_headers windows.h CoTaskMemFree -lole32
5355 check_func_headers windows.h GetProcessAffinityMask
5356 check_func_headers windows.h GetProcessTimes
5357 check_func_headers windows.h GetSystemTimeAsFileTime
5358 check_func_headers windows.h MapViewOfFile
5359 check_func_headers windows.h PeekNamedPipe
5360 check_func_headers windows.h SetConsoleTextAttribute
5361 check_func_headers windows.h SetConsoleCtrlHandler
5362 check_func_headers windows.h Sleep
5363 check_func_headers windows.h VirtualAlloc
5364 check_struct windows.h "CONDITION_VARIABLE" Ptr
5365 check_func_headers glob.h glob
5367 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5369 check_header direct.h
5370 check_header dirent.h
5371 check_header dlfcn.h
5372 check_header d3d11.h
5374 check_header dxva2api.h -D_WIN32_WINNT=0x0600
5376 check_header libcrystalhd/libcrystalhd_if.h
5377 check_header mach/mach_time.h
5378 check_header malloc.h
5379 check_header net/udplite.h
5381 check_header sys/mman.h
5382 check_header sys/param.h
5383 check_header sys/resource.h
5384 check_header sys/select.h
5385 check_header sys/time.h
5386 check_header sys/un.h
5387 check_header termios.h
5388 check_header unistd.h
5389 check_header valgrind/valgrind.h
5390 check_header vdpau/vdpau.h
5391 check_header vdpau/vdpau_x11.h
5392 check_header VideoDecodeAcceleration/VDADecoder.h
5393 check_header VideoToolbox/VideoToolbox.h
5394 check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox
5395 check_header windows.h
5396 check_header X11/extensions/XvMClib.h
5397 check_header asm/types.h
5399 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
5400 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
5401 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5402 check_lib "CoreServices/CoreServices.h" UTGetOSTypeFromString "-framework CoreServices"
5404 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
5406 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5407 check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5408 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
5409 check_type "windows.h d3d11.h" "ID3D11VideoContext"
5410 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
5412 check_type "va/va.h" "VAPictureParameterBufferHEVC"
5413 check_type "va/va.h" "VADecPictureParameterBufferVP9"
5415 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
5417 check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt
5419 if ! disabled w32threads && ! enabled pthreads; then
5420 check_func_headers "windows.h process.h" _beginthreadex &&
5421 enable w32threads || disable w32threads
5422 if ! enabled w32threads && enabled winrt; then
5423 check_func_headers "windows.h" CreateThread &&
5424 enable w32threads || disable w32threads
5428 # check for some common methods of building with pthread support
5429 # do this before the optional library checks as some of them require pthreads
5430 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
5432 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
5434 add_extralibs -pthread
5435 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
5436 add_cflags -pthreads
5437 add_extralibs -pthreads
5438 elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then
5439 add_cflags -ldl -pthread
5440 add_extralibs -ldl -pthread
5441 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
5442 add_extralibs -lpthreadGC2
5443 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
5445 elif ! check_func pthread_join && ! check_func pthread_create; then
5448 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
5452 if enabled pthreads; then
5453 check_func pthread_cancel
5456 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
5457 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
5458 disabled lzma || check_lib2 lzma.h lzma_version_number -llzma || disable lzma
5460 check_lib math.h sin -lm && LIBM="-lm"
5461 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
5469 for func in $MATH_FUNCS; do
5470 eval check_mathfunc $func \${${func}_args:-1}
5473 for func in $COMPLEX_FUNCS; do
5474 eval check_complexfunc $func \${${func}_args:-1}
5477 # these are off by default, so fail if requested and not available
5478 enabled avfoundation_indev && { check_header_objcc AVFoundation/AVFoundation.h || disable avfoundation_indev; }
5479 enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||
5480 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }
5481 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
5482 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
5483 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
5484 enabled cuda && check_lib cuda.h cuInit -lcuda
5485 enabled chromaprint && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
5486 enabled decklink && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }
5487 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
5488 enabled gmp && require2 gmp gmp.h mpz_export -lgmp
5489 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
5490 enabled jni && { [ $target_os = "android" ] && check_header jni.h && enabled pthreads &&
5491 check_lib2 "dlfcn.h" dlopen -ldl; }
5492 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
5493 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
5494 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
5495 enabled libbluray && require_pkg_config libbluray libbluray/bluray.h bd_open
5496 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
5497 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
5498 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
5499 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
5500 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
5501 enabled libdcadec && require_pkg_config "dcadec >= 0.1.0" libdcadec/dca_context.h dcadec_context_create
5502 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
5503 enabled libfdk_aac && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
5504 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
5505 warn "using libfdk without pkg-config"; } }
5506 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"
5507 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
5508 enabled fontconfig && enable libfontconfig
5509 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
5510 enabled libfreetype && require_libfreetype
5511 enabled libfribidi && require_pkg_config fribidi fribidi.h fribidi_version_info
5512 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
5513 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
5514 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
5515 done || die "ERROR: libgsm not found"; }
5516 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
5517 enabled libkvazaar && require_pkg_config "kvazaar >= 0.8.1" kvazaar.h kvz_api_get
5518 enabled libmfx && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit
5519 enabled libmodplug && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load
5520 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
5521 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
5522 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
5523 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
5524 enabled libopencv && { check_header opencv2/core/core_c.h &&
5525 { use_pkg_config opencv opencv2/core/core_c.h cvCreateImageHeader ||
5526 require opencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||
5527 require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader; }
5528 enabled libopenh264 && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion
5529 enabled libopenjpeg && { check_lib openjpeg-2.1/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC ||
5530 check_lib openjpeg-2.0/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC ||
5531 check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
5532 check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
5533 die "ERROR: libopenjpeg not found"; }
5534 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
5535 enabled libpulse && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new
5536 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
5537 enabled librubberband && require_pkg_config "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new
5538 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
5539 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
5540 enabled libsmbclient && { use_pkg_config smbclient libsmbclient.h smbc_init ||
5541 require smbclient libsmbclient.h smbc_init -lsmbclient; }
5542 enabled libsnappy && require snappy snappy-c.h snappy_compress -lsnappy
5543 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr && LIBSOXR="-lsoxr"
5544 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
5545 enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
5546 enabled libtesseract && require_pkg_config tesseract tesseract/capi.h TessBaseAPICreate
5547 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
5548 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
5549 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
5550 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
5551 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
5552 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
5553 enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
5554 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
5555 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
5558 enabled libvpx_vp8_decoder && {
5559 use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
5560 check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
5561 die "ERROR: libvpx decoder version must be >=0.9.1";
5563 enabled libvpx_vp8_encoder && {
5564 use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
5565 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
5566 die "ERROR: libvpx encoder version must be >=0.9.7";
5568 enabled libvpx_vp9_decoder && {
5569 use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
5570 check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx ||
5571 disable libvpx_vp9_decoder;
5573 enabled libvpx_vp9_encoder && {
5574 use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
5575 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx ||
5576 disable libvpx_vp9_encoder;
5578 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
5579 die "libvpx enabled but no supported decoders found"
5583 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
5584 enabled libwebp && {
5585 enabled libwebp_encoder && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
5586 enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }
5587 enabled libx264 && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||
5588 { require libx264 x264.h x264_encoder_encode -lx264 &&
5589 warn "using libx264 without pkg-config"; } } &&
5590 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
5591 die "ERROR: libx264 must be installed and version must be >= 0.118."; } &&
5592 { check_cpp_condition x264.h "X264_MPEG2" &&
5594 enabled libx265 && require_pkg_config x265 x265.h x265_api_get &&
5595 { check_cpp_condition x265.h "X265_BUILD >= 68" ||
5596 die "ERROR: libx265 version must be >= 68."; }
5597 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
5598 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
5599 enabled libzimg && require_pkg_config zimg zimg.h zimg_get_api_version
5600 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
5601 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi &&
5602 { check_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||
5603 enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }
5604 enabled mediacodec && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }
5605 enabled mmal && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
5606 { ! enabled cross_compile && {
5607 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;
5608 add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;
5609 check_lib interface/mmal/mmal.h mmal_port_connect ; }
5610 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||
5611 die "ERROR: mmal not found"; }
5613 (check_code cc interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS" ||
5614 die "ERROR: mmal firmware headers too old")
5616 enabled netcdf && require_pkg_config netcdf netcdf.h nc_inq_libvers
5617 enabled nvenc && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&
5618 { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 6" ||
5619 die "ERROR: NVENC API version 5 or older is not supported"; } &&
5620 { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }
5621 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
5622 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
5623 die "ERROR: openal not found"; } &&
5624 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
5625 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
5626 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
5627 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
5628 die "ERROR: opencl not found"; } &&
5629 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
5630 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
5631 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
5632 enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||
5633 check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
5634 check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
5635 check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
5636 die "ERROR: opengl not found."
5638 enabled openssl && { use_pkg_config openssl openssl/ssl.h SSL_library_init ||
5639 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
5640 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
5641 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
5642 die "ERROR: openssl not found"; }
5643 enabled qtkit_indev && { check_header_objcc QTKit/QTKit.h || disable qtkit_indev; }
5646 if enabled libdc1394; then
5647 { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&
5648 enable libdc1394_2; } ||
5649 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
5650 enable libdc1394_1; } ||
5651 die "ERROR: No version of libdc1394 found "
5654 if enabled gcrypt; then
5655 GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"
5656 if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then
5657 gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)
5658 gcrypt_libs=$("${GCRYPT_CONFIG}" --libs)
5659 check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_libs ||
5660 die "ERROR: gcrypt not found"
5661 add_cflags $gcrypt_cflags && add_extralibs $gcrypt_libs
5663 require2 gcrypt gcrypt.h gcry_mpi_new -lgcrypt
5667 if ! disabled sdl; then
5668 SDL_CONFIG="${cross_prefix}sdl-config"
5669 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
5670 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5671 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5674 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5675 sdl_cflags=$("${SDL_CONFIG}" --cflags)
5676 sdl_libs=$("${SDL_CONFIG}" --libs)
5677 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
5678 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5679 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5681 elif enabled sdl ; then
5682 die "ERROR: SDL not found"
5687 if test $target_os = "mingw32"; then
5688 sdl_libs="$sdl_libs -mconsole"
5691 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
5693 disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5694 check_lib2 "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5695 enable securetransport; }
5697 disabled schannel || { check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&
5698 check_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" && enable schannel && add_extralibs -lsecur32; }
5700 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
5702 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
5703 && enable makeinfo_html || disable makeinfo_html
5704 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
5705 perl -v > /dev/null 2>&1 && enable perl || disable perl
5706 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
5707 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
5709 check_header linux/fb.h
5710 check_header linux/videodev.h
5711 check_header linux/videodev2.h
5712 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5714 check_header sys/videoio.h
5715 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5717 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
5718 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
5719 # w32api 3.12 had it defined wrong
5720 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
5722 check_type "dshow.h" IBaseFilter
5724 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
5725 { check_header dev/bktr/ioctl_meteor.h &&
5726 check_header dev/bktr/ioctl_bt848.h; } ||
5727 { check_header machine/ioctl_meteor.h &&
5728 check_header machine/ioctl_bt848.h; } ||
5729 { check_header dev/video/meteor/ioctl_meteor.h &&
5730 check_header dev/video/bktr/ioctl_bt848.h; } ||
5731 check_header dev/ic/bt8xx.h
5733 check_header sndio.h
5734 if check_struct sys/soundcard.h audio_buf_info bytes; then
5735 enable_safe sys/soundcard.h
5737 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
5738 #include <sys/soundcard.h>
5742 check_header soundcard.h
5744 enabled_any alsa_indev alsa_outdev &&
5745 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
5747 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&
5748 check_func jack_port_get_latency_range -ljack
5750 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
5752 if enabled libcdio; then
5753 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5754 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5755 die "ERROR: No usable libcdio/cdparanoia found"
5759 check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib
5761 if ! disabled libxcb; then
5762 check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {
5763 enabled libxcb && die "ERROR: libxcb >= 1.4 not found";
5764 } && disable x11grab && enable libxcb
5766 if enabled libxcb; then
5767 disabled libxcb_shm || {
5768 check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {
5769 enabled libxcb_shm && die "ERROR: libxcb_shm not found";
5770 } && check_header sys/shm.h && enable libxcb_shm; }
5772 disabled libxcb_xfixes || {
5773 check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {
5774 enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";
5775 } && enable libxcb_xfixes; }
5777 disabled libxcb_shape || {
5778 check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {
5779 enabled libxcb_shape && die "ERROR: libxcb_shape not found";
5780 } && enable libxcb_shape; }
5782 add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags
5783 add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs
5787 if enabled x11grab; then
5788 enabled xlib || die "ERROR: Xlib not found"
5789 require Xext X11/extensions/XShm.h XShmCreateImage -lXext
5790 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
5793 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
5795 enabled dxva2api_h &&
5796 check_cc <<EOF && enable dxva2api_cobj
5797 #define _WIN32_WINNT 0x0600
5799 #include <windows.h>
5801 #include <dxva2api.h>
5802 int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }
5806 check_lib va/va.h vaInitialize -lva ||
5809 enabled vaapi && enabled xlib &&
5810 check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&
5814 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
5817 enabled vdpau && enabled xlib &&
5818 check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
5819 prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&
5822 # Funny iconv installations are not unusual, so check it after all flags have been set
5823 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
5825 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
5827 # add some useful compiler flags if supported
5828 check_cflags -Wdeclaration-after-statement
5830 check_cflags -Wdisabled-optimization
5831 check_cflags -Wpointer-arith
5832 check_cflags -Wredundant-decls
5833 check_cflags -Wwrite-strings
5834 check_cflags -Wtype-limits
5835 check_cflags -Wundef
5836 check_cflags -Wmissing-prototypes
5837 check_cflags -Wno-pointer-to-int-cast
5838 check_cflags -Wstrict-prototypes
5839 check_cflags -Wempty-body
5840 enabled extra_warnings && check_cflags -Winline
5841 enabled extra_warnings && check_cflags -Wcast-qual
5843 check_disable_warning(){
5844 warning_flag=-W${1#-Wno-}
5845 test_cflags $warning_flag && add_cflags $1
5848 check_disable_warning -Wno-parentheses
5849 check_disable_warning -Wno-switch
5850 check_disable_warning -Wno-format-zero-length
5851 check_disable_warning -Wno-pointer-sign
5852 check_disable_warning -Wno-unused-const-variable
5854 # add some linker flags
5855 check_ldflags -Wl,--warn-common
5856 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
5857 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir
5858 enabled rpath && add_ldlibflags -Wl,-rpath,$libdir
5859 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
5861 # add some strip flags
5862 # -wN '..@*' is more selective than -x, but not available everywhere.
5863 check_stripflags -wN \'..@*\' || check_stripflags -x
5865 enabled neon_clobber_test &&
5866 check_ldflags -Wl,--wrap,avcodec_open2 \
5867 -Wl,--wrap,avcodec_decode_audio4 \
5868 -Wl,--wrap,avcodec_decode_video2 \
5869 -Wl,--wrap,avcodec_decode_subtitle2 \
5870 -Wl,--wrap,avcodec_encode_audio2 \
5871 -Wl,--wrap,avcodec_encode_video2 \
5872 -Wl,--wrap,avcodec_encode_subtitle \
5873 -Wl,--wrap,swr_convert \
5874 -Wl,--wrap,avresample_convert ||
5875 disable neon_clobber_test
5877 enabled xmm_clobber_test &&
5878 check_ldflags -Wl,--wrap,avcodec_open2 \
5879 -Wl,--wrap,avcodec_decode_audio4 \
5880 -Wl,--wrap,avcodec_decode_video2 \
5881 -Wl,--wrap,avcodec_decode_subtitle2 \
5882 -Wl,--wrap,avcodec_encode_audio2 \
5883 -Wl,--wrap,avcodec_encode_video2 \
5884 -Wl,--wrap,avcodec_encode_subtitle \
5885 -Wl,--wrap,swr_convert \
5886 -Wl,--wrap,avresample_convert \
5887 -Wl,--wrap,sws_scale ||
5888 disable xmm_clobber_test
5890 echo "X { local: *; };" > $TMPV
5891 if test_ldflags -Wl,--version-script,$TMPV; then
5892 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
5893 elif test_ldflags -Wl,-M,$TMPV; then
5894 append SHFLAGS '-Wl,-M,\$(SUBDIR)lib\$(NAME).ver-sol2'
5897 check_cc <<EOF && enable symver_asm_label
5898 void ff_foo(void) __asm__ ("av_foo@VERSION");
5899 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
5901 check_cc <<EOF && enable symver_gnu_asm
5902 __asm__(".symver ff_foo,av_foo@VERSION");
5903 void ff_foo(void) {}
5906 if [ -z "$optflags" ]; then
5907 if enabled small; then
5908 optflags=$cflags_size
5909 elif enabled optimizations; then
5910 optflags=$cflags_speed
5912 optflags=$cflags_noopt
5918 enabled lto && check_ldflags "$@"
5922 if enabled lto; then
5923 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
5925 check_ldflags -flto $cpuflags
5926 disable inline_asm_direct_symbol_refs
5929 check_optflags $optflags
5930 check_optflags -fno-math-errno
5931 check_optflags -fno-signed-zeros
5933 enabled ftrapv && check_cflags -ftrapv
5935 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
5940 if enabled icc; then
5941 # Just warnings, no remarks
5943 # -wd: Disable following warnings
5944 # 144, 167, 556: -Wno-pointer-sign
5945 # 188: enumerated type mixed with another type
5946 # 1292: attribute "foo" ignored
5947 # 1419: external declaration in primary source file
5948 # 10006: ignoring unknown option -fno-signed-zeros
5949 # 10148: ignoring unknown option -Wno-parentheses
5950 # 10156: ignoring option '-W'; no argument required
5951 # 13200: No EMMS instruction before call to function
5952 # 13203: No EMMS instruction before return from function
5953 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
5954 # 11030: Warning unknown option --as-needed
5955 # 10156: ignoring option '-export'; no argument required
5956 check_ldflags -wd10156,11030
5957 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
5958 enable ebp_available
5959 # The test above does not test linking
5960 enabled lto && disable symver_asm_label
5961 if enabled x86_32; then
5962 icc_version=$($cc -dumpversion)
5963 test ${icc_version%%.*} -ge 11 &&
5964 check_cflags -falign-stack=maintain-16-byte ||
5965 disable aligned_stack
5967 elif enabled ccc; then
5968 # disable some annoying warnings
5969 add_cflags -msg_disable bitnotint
5970 add_cflags -msg_disable mixfuncvoid
5971 add_cflags -msg_disable nonstandcast
5972 add_cflags -msg_disable unsupieee
5973 elif enabled gcc; then
5974 case $gcc_basever in
5975 4.9*) enabled x86 || check_optflags -fno-tree-vectorize ;;
5976 4.*) check_optflags -fno-tree-vectorize ;;
5977 *) enabled x86 || check_optflags -fno-tree-vectorize ;;
5979 check_cflags -Werror=format-security
5980 check_cflags -Werror=implicit-function-declaration
5981 check_cflags -Werror=missing-prototypes
5982 check_cflags -Werror=return-type
5983 check_cflags -Werror=vla
5984 check_cflags -Wformat
5985 check_cflags -fdiagnostics-color=auto
5986 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
5987 elif enabled llvm_gcc; then
5988 check_cflags -mllvm -stack-alignment=16
5989 elif enabled clang; then
5990 check_cflags -mllvm -stack-alignment=16
5991 check_cflags -Qunused-arguments
5992 check_cflags -Werror=implicit-function-declaration
5993 check_cflags -Werror=missing-prototypes
5994 check_cflags -Werror=return-type
5995 elif enabled cparser; then
5996 add_cflags -Wno-missing-variable-declarations
5997 add_cflags -Wno-empty-statement
5998 elif enabled armcc; then
5999 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
6000 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
6001 # 2523: use of inline assembly is deprecated
6002 add_cflags -W${armcc_opt},--diag_suppress=2523
6003 add_cflags -W${armcc_opt},--diag_suppress=1207
6004 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
6005 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
6006 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
6007 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
6008 elif enabled tms470; then
6009 add_cflags -pds=824 -pds=837
6011 elif enabled pathscale; then
6012 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
6013 elif enabled_any msvc icl; then
6014 enabled x86_32 && disable aligned_stack
6015 enabled_all x86_32 debug && add_cflags -Oy-
6016 enabled debug && add_ldflags -debug
6017 enable pragma_deprecated
6018 if enabled icl; then
6019 # -Qansi-alias is basically -fstrict-aliasing, but does not work
6020 # (correctly) on icl 13.x.
6021 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
6022 add_cflags -Qansi-alias
6023 # Some inline asm is not compilable in debug
6024 if enabled debug; then
6025 disable ebp_available
6026 disable ebx_available
6029 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
6030 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
6031 # The CRT headers contain __declspec(restrict) in a few places, but if redefining
6032 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
6033 # (as it ends up if the restrict redefine is done before including stdlib.h), while
6034 # MSVC 2013 and newer can handle it fine.
6035 # If this declspec fails, force including stdlib.h before the restrict redefinition
6036 # happens in config.h.
6037 if [ $_restrict != restrict ]; then
6038 check_cc <<EOF || add_cflags -FIstdlib.h
6039 __declspec($_restrict) void* foo(int);
6042 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
6045 for pfx in "" host_; do
6046 varname=${pfx%_}cc_type
6047 eval "type=\$$varname"
6048 if [ $type = "msvc" ]; then
6049 check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline
6050 static inline int foo(int a) { return a; }
6057 add_asflags -Qunused-arguments
6063 check_ldflags -Qunused-arguments
6069 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
6072 add_cppflags -Dmain=plan9_main
6076 enable frame_thread_encoder
6078 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
6080 check_deps $CONFIG_LIST \
6085 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"
6088 if test $target_os = "haiku"; then
6090 disable posix_memalign
6093 enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&
6094 prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&
6097 ! enabled_any memalign posix_memalign aligned_malloc &&
6098 enabled simd_align_16 && enable memalign_hack
6101 # -> enable ${lib}_deps_${dep}
6102 # -> add $dep to ${lib}_deps only once
6106 enabled "${lib}_deps_${dep}" && return 0
6107 enable "${lib}_deps_${dep}"
6108 prepend "${lib}_deps" $dep
6111 # merge deps lib components
6112 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
6117 enabled $comp || continue
6118 eval "dep=\"\$${comp}_deps\""
6125 merge_deps libavfilter $FILTER_LIST
6127 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
6129 for thread in $THREADS_LIST; do
6130 if enabled $thread; then
6131 test -n "$thread_type" &&
6132 die "ERROR: Only one thread type must be selected." ||
6133 thread_type="$thread"
6137 enabled zlib && add_cppflags -DZLIB_CONST
6139 # conditional library dependencies, in linking order
6140 enabled afftfilt_filter && prepend avfilter_deps "avcodec"
6141 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
6142 enabled aresample_filter && prepend avfilter_deps "swresample"
6143 enabled asyncts_filter && prepend avfilter_deps "avresample"
6144 enabled atempo_filter && prepend avfilter_deps "avcodec"
6145 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
6146 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
6147 enabled elbg_filter && prepend avfilter_deps "avcodec"
6148 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
6149 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
6150 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
6151 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
6152 enabled pan_filter && prepend avfilter_deps "swresample"
6153 enabled pp_filter && prepend avfilter_deps "postproc"
6154 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
6155 enabled resample_filter && prepend avfilter_deps "avresample"
6156 enabled sab_filter && prepend avfilter_deps "swscale"
6157 enabled scale_filter && prepend avfilter_deps "swscale"
6158 enabled scale2ref_filter && prepend avfilter_deps "swscale"
6159 enabled sofalizer_filter && prepend avfilter_deps "avcodec"
6160 enabled showcqt_filter && prepend avfilter_deps "avformat avcodec swscale"
6161 enabled showfreqs_filter && prepend avfilter_deps "avcodec"
6162 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
6163 enabled smartblur_filter && prepend avfilter_deps "swscale"
6164 enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"
6165 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
6166 enabled uspp_filter && prepend avfilter_deps "avcodec"
6168 enabled lavfi_indev && prepend avdevice_deps "avfilter"
6170 enabled opus_decoder && prepend avcodec_deps "swresample"
6174 eval "deps=\$$lib_deps"
6175 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
6179 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
6180 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
6182 map 'expand_deps $v' $LIBRARY_LIST
6184 echo "install prefix $prefix"
6185 echo "source path $source_path"
6186 echo "C compiler $cc"
6187 echo "C library $libc_type"
6188 if test "$host_cc" != "$cc"; then
6189 echo "host C compiler $host_cc"
6190 echo "host C library $host_libc_type"
6192 echo "ARCH $arch ($cpu)"
6193 if test "$build_suffix" != ""; then
6194 echo "build suffix $build_suffix"
6196 if test "$progs_suffix" != ""; then
6197 echo "progs suffix $progs_suffix"
6199 if test "$extra_version" != ""; then
6200 echo "version string suffix $extra_version"
6202 echo "big-endian ${bigendian-no}"
6203 echo "runtime cpu detection ${runtime_cpudetect-no}"
6204 if enabled x86; then
6205 echo "${yasmexe} ${yasm-no}"
6206 echo "MMX enabled ${mmx-no}"
6207 echo "MMXEXT enabled ${mmxext-no}"
6208 echo "3DNow! enabled ${amd3dnow-no}"
6209 echo "3DNow! extended enabled ${amd3dnowext-no}"
6210 echo "SSE enabled ${sse-no}"
6211 echo "SSSE3 enabled ${ssse3-no}"
6212 echo "AESNI enabled ${aesni-no}"
6213 echo "AVX enabled ${avx-no}"
6214 echo "XOP enabled ${xop-no}"
6215 echo "FMA3 enabled ${fma3-no}"
6216 echo "FMA4 enabled ${fma4-no}"
6217 echo "i686 features enabled ${i686-no}"
6218 echo "CMOV is fast ${fast_cmov-no}"
6219 echo "EBX available ${ebx_available-no}"
6220 echo "EBP available ${ebp_available-no}"
6222 if enabled aarch64; then
6223 echo "NEON enabled ${neon-no}"
6224 echo "VFP enabled ${vfp-no}"
6226 if enabled arm; then
6227 echo "ARMv5TE enabled ${armv5te-no}"
6228 echo "ARMv6 enabled ${armv6-no}"
6229 echo "ARMv6T2 enabled ${armv6t2-no}"
6230 echo "VFP enabled ${vfp-no}"
6231 echo "NEON enabled ${neon-no}"
6232 echo "THUMB enabled ${thumb-no}"
6234 if enabled mips; then
6235 echo "MIPS FPU enabled ${mipsfpu-no}"
6236 echo "MIPS DSP R1 enabled ${mipsdsp-no}"
6237 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
6238 echo "MIPS MSA enabled ${msa-no}"
6239 echo "LOONGSON MMI enabled ${mmi-no}"
6241 if enabled ppc; then
6242 echo "AltiVec enabled ${altivec-no}"
6243 echo "VSX enabled ${vsx-no}"
6244 echo "POWER8 enabled ${power8-no}"
6245 echo "PPC 4xx optimizations ${ppc4xx-no}"
6246 echo "dcbzl available ${dcbzl-no}"
6248 echo "debug symbols ${debug-no}"
6249 echo "strip symbols ${stripping-no}"
6250 echo "optimize for size ${small-no}"
6251 echo "optimizations ${optimizations-no}"
6252 echo "static ${static-no}"
6253 echo "shared ${shared-no}"
6254 echo "postprocessing support ${postproc-no}"
6255 echo "new filter support ${avfilter-no}"
6256 echo "network support ${network-no}"
6257 echo "threading support ${thread_type-no}"
6258 echo "safe bitstream reader ${safe_bitstream_reader-no}"
6259 echo "SDL support ${sdl-no}"
6260 echo "opencl enabled ${opencl-no}"
6261 echo "JNI support ${jni-no}"
6262 echo "texi2html enabled ${texi2html-no}"
6263 echo "perl enabled ${perl-no}"
6264 echo "pod2man enabled ${pod2man-no}"
6265 echo "makeinfo enabled ${makeinfo-no}"
6266 echo "makeinfo supports HTML ${makeinfo_html-no}"
6267 test -n "$random_seed" &&
6268 echo "random seed ${random_seed}"
6271 echo "Enabled programs:"
6272 print_enabled '' $PROGRAM_LIST | print_in_columns
6275 echo "External libraries:"
6276 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_in_columns
6280 print_enabled '' $LIBRARY_LIST | print_in_columns
6283 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
6284 echo "Enabled ${type}s:"
6285 eval list=\$$(toupper $type)_LIST
6286 print_enabled '_*' $list | print_in_columns
6290 license="LGPL version 2.1 or later"
6291 if enabled nonfree; then
6292 license="nonfree and unredistributable"
6293 elif enabled gplv3; then
6294 license="GPL version 3 or later"
6295 elif enabled lgplv3; then
6296 license="LGPL version 3 or later"
6297 elif enabled gpl; then
6298 license="GPL version 2 or later"
6301 echo "License: $license"
6303 echo "Creating config.mak, config.h, and doc/config.texi..."
6305 test -e Makefile || echo "include $source_path/Makefile" > Makefile
6307 enabled stripping || strip="echo skipping strip"
6309 config_files="$TMPH config.mak doc/config.texi"
6311 cat > config.mak <<EOF
6312 # Automatically generated by configure - do not modify!
6313 ifndef FFMPEG_CONFIG_MAK
6315 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
6317 LIBDIR=\$(DESTDIR)$libdir
6318 SHLIBDIR=\$(DESTDIR)$shlibdir
6319 INCDIR=\$(DESTDIR)$incdir
6320 BINDIR=\$(DESTDIR)$bindir
6321 DATADIR=\$(DESTDIR)$datadir
6322 DOCDIR=\$(DESTDIR)$docdir
6323 MANDIR=\$(DESTDIR)$mandir
6324 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
6325 INSTALL_NAME_DIR=$install_name_dir
6326 SRC_PATH=$source_path
6327 SRC_LINK=$source_link
6328 ifndef MAIN_MAKEFILE
6329 SRC_PATH:=\$(SRC_PATH:.%=..%)
6333 INTRINSICS=$intrinsics
6340 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
6342 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
6355 OBJCFLAGS=$OBJCFLAGS
6375 LDEXEFLAGS=$LDEXEFLAGS
6376 LDLIBFLAGS=$LDLIBFLAGS
6377 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
6378 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
6379 YASMFLAGS=$YASMFLAGS
6380 BUILDSUF=$build_suffix
6381 PROGSSUF=$progs_suffix
6389 EXTRA_VERSION=$extra_version
6392 CCDEP_FLAGS=$CCDEP_FLAGS
6394 ASDEP_FLAGS=$ASDEP_FLAGS
6395 CC_DEPFLAGS=$CC_DEPFLAGS
6396 AS_DEPFLAGS=$AS_DEPFLAGS
6399 HOSTCFLAGS=$host_cflags
6400 HOSTCPPFLAGS=$host_cppflags
6401 HOSTEXESUF=$HOSTEXESUF
6402 HOSTLDFLAGS=$host_ldflags
6405 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
6406 HOSTCCDEP=$HOSTCCDEP
6407 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
6408 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
6412 TARGET_EXEC=$target_exec $target_exec_args
6413 TARGET_PATH=$target_path
6414 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
6415 CFLAGS-ffplay=$sdl_cflags
6416 ZLIB=$($ldflags_filter -lz)
6417 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
6418 EXTRALIBS=$extralibs
6419 COMPAT_OBJS=$compat_objs
6422 LIBTARGET=${LIBTARGET}
6423 SLIBNAME=${SLIBNAME}
6424 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
6425 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
6426 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
6427 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
6428 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
6429 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
6430 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
6431 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
6432 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
6433 NOREDZONE_FLAGS=$noredzone_flags
6438 name=$(toupper $lcname)
6439 file=$source_path/$lcname/version.h
6440 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
6441 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
6442 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
6443 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
6444 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
6445 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
6448 map 'get_version $v' $LIBRARY_LIST
6450 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST
6452 print_program_libs(){
6453 eval "program_libs=\$${1}_libs"
6454 eval echo "LIBS-${1}=${program_libs}" >> config.mak
6457 map 'print_program_libs $v' $PROGRAM_LIST
6460 /* Automatically generated by configure - do not modify! */
6461 #ifndef FFMPEG_CONFIG_H
6462 #define FFMPEG_CONFIG_H
6463 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
6464 #define FFMPEG_LICENSE "$(c_escape $license)"
6465 #define CONFIG_THIS_YEAR 2016
6466 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
6467 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
6468 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
6469 #define av_restrict $_restrict
6470 #define EXTERN_PREFIX "${extern_prefix}"
6471 #define EXTERN_ASM ${extern_prefix}
6472 #define BUILDSUF "$build_suffix"
6473 #define SLIBSUF "$SLIBSUF"
6474 #define HAVE_MMX2 HAVE_MMXEXT
6475 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
6478 test -n "$assert_level" &&
6479 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
6481 test -n "$malloc_prefix" &&
6482 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
6484 if enabled yasm; then
6485 append config_files $TMPASM
6489 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
6495 echo "@c auto-generated by configure - do not modify! " > doc/config.texi
6497 print_config ARCH_ "$config_files" $ARCH_LIST
6498 print_config HAVE_ "$config_files" $HAVE_LIST
6499 print_config CONFIG_ "$config_files" $CONFIG_LIST \
6503 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
6504 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
6506 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
6507 cp_if_changed $TMPH config.h
6510 enabled yasm && cp_if_changed $TMPASM config.asm
6513 /* Generated by ffconf */
6514 #ifndef AVUTIL_AVCONFIG_H
6515 #define AVUTIL_AVCONFIG_H
6518 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
6520 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
6522 cp_if_changed $TMPH libavutil/avconfig.h
6524 if test -n "$WARNINGS"; then
6525 printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"
6526 enabled fatal_warnings && exit 1
6529 # build pkg-config files
6532 eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""
6535 pkgconfig_generate(){
6537 shortname=${name#lib}${build_suffix}
6541 requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))
6542 requires=${requires%, }
6543 enabled ${name#lib} || return 0
6545 cat <<EOF > $name/$name${build_suffix}.pc
6547 exec_prefix=\${prefix}
6552 Description: $comment
6554 Requires: $(enabled shared || echo $requires)
6555 Requires.private: $(enabled shared && echo $requires)
6557 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
6558 Libs.private: $(enabled shared && echo $libs)
6559 Cflags: -I\${includedir}
6562 mkdir -p doc/examples/pc-uninstalled
6563 includedir=${source_path}
6564 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
6565 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
6568 libdir=\${pcfiledir}/../../../$name
6569 includedir=${includedir}
6572 Description: $comment
6576 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
6577 Cflags: -I\${includedir}
6581 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBRT $LIBM"
6582 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs"
6583 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs"
6584 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs"
6585 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
6586 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" ""
6587 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$LIBM"
6588 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM"
6589 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM $LIBSOXR"