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]
96 --enable-gpl allow use of GPL code, the resulting libs
97 and binaries will be under GPL [no]
98 --enable-version3 upgrade (L)GPL to version 3 [no]
99 --enable-nonfree allow use of nonfree code, the resulting libs
100 and binaries will be unredistributable [no]
102 Configuration options:
103 --disable-static do not build static libraries [no]
104 --enable-shared build shared libraries [no]
105 --enable-small optimize for size instead of speed
106 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
107 --enable-gray enable full grayscale support (slower color)
108 --disable-swscale-alpha disable alpha channel support in swscale
109 --disable-all disable building components, libraries and programs
110 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
111 --enable-raise-major increase major version numbers in sonames [no]
114 --disable-programs do not build command line programs
115 --disable-ffmpeg disable ffmpeg build
116 --disable-ffplay disable ffplay build
117 --disable-ffprobe disable ffprobe build
118 --disable-ffserver disable ffserver build
120 Documentation options:
121 --disable-doc do not build documentation
122 --disable-htmlpages do not build HTML documentation pages
123 --disable-manpages do not build man documentation pages
124 --disable-podpages do not build POD documentation pages
125 --disable-txtpages do not build text documentation pages
128 --disable-avdevice disable libavdevice build
129 --disable-avcodec disable libavcodec build
130 --disable-avformat disable libavformat build
131 --disable-swresample disable libswresample build
132 --disable-swscale disable libswscale build
133 --disable-postproc disable libpostproc build
134 --disable-avfilter disable libavfilter build
135 --enable-avresample enable libavresample build [no]
136 --disable-pthreads disable pthreads [autodetect]
137 --disable-w32threads disable Win32 threads [autodetect]
138 --disable-os2threads disable OS/2 threads [autodetect]
139 --disable-network disable network support [no]
140 --disable-dct disable DCT code
141 --disable-dwt disable DWT code
142 --disable-error-resilience disable error resilience code
143 --disable-lsp disable LSP code
144 --disable-lzo disable LZO decoder code
145 --disable-mdct disable MDCT code
146 --disable-rdft disable RDFT code
147 --disable-fft disable FFT code
148 --disable-faan disable floating point AAN (I)DCT code
149 --disable-pixelutils disable pixel utils in libavutil
151 Hardware accelerators:
152 --disable-d3d11va disable D3D11VA code [autodetect]
153 --disable-dxva2 disable DXVA2 code [autodetect]
154 --disable-vaapi disable VAAPI code [autodetect]
155 --disable-vda disable VDA code [autodetect]
156 --disable-vdpau disable VDPAU code [autodetect]
157 --enable-videotoolbox enable VideoToolbox 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-chromaprint enable audio fingerprinting with chromaprint [no]
200 --enable-fontconfig enable fontconfig, useful for drawtext filter [no]
201 --enable-frei0r enable frei0r video filtering [no]
202 --enable-gnutls enable gnutls, needed for https support
203 if openssl is not used [no]
204 --disable-iconv disable iconv [autodetect]
205 --enable-ladspa enable LADSPA audio filtering [no]
206 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
207 --enable-libass enable libass subtitles rendering,
208 needed for subtitles and ass filter [no]
209 --enable-libbluray enable BluRay reading using libbluray [no]
210 --enable-libbs2b enable bs2b DSP library [no]
211 --enable-libcaca enable textual display using libcaca [no]
212 --enable-libcelt enable CELT decoding via libcelt [no]
213 --enable-libcdio enable audio CD grabbing with libcdio [no]
214 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
216 --enable-libdcadec enable DCA decoding via libdcadec [no]
217 --enable-libfaac enable AAC encoding via libfaac [no]
218 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
219 --enable-libflite enable flite (voice synthesis) support via libflite [no]
220 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
221 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
222 --enable-libgme enable Game Music Emu via libgme [no]
223 --enable-libgsm enable GSM de/encoding via libgsm [no]
224 --enable-libiec61883 enable iec61883 via libiec61883 [no]
225 --enable-libilbc enable iLBC de/encoding via libilbc [no]
226 --enable-libkvazaar enable HEVC encoding via libkvazaar [no]
227 --enable-libmfx enable HW acceleration through libmfx
228 --enable-libmodplug enable ModPlug via libmodplug [no]
229 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
230 --enable-libnut enable NUT (de)muxing via libnut,
231 native (de)muxer exists [no]
232 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
233 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
234 --enable-libopencv enable video filtering via libopencv [no]
235 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
236 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
237 --enable-libopus enable Opus de/encoding via libopus [no]
238 --enable-libpulse enable Pulseaudio input via libpulse [no]
239 --enable-librubberband enable rubberband needed for rubberband filter [no]
240 --enable-libquvi enable quvi input via libquvi [no]
241 --enable-librtmp enable RTMP[E] support via librtmp [no]
242 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
243 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
244 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
245 --enable-libsnappy enable Snappy compression, needed for hap encoding [no]
246 --enable-libsoxr enable Include libsoxr resampling [no]
247 --enable-libspeex enable Speex de/encoding via libspeex [no]
248 --enable-libssh enable SFTP protocol via libssh [no]
249 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
250 --enable-libtesseract enable Tesseract, needed for ocr filter [no]
251 --enable-libtheora enable Theora encoding via libtheora [no]
252 --enable-libtwolame enable MP2 encoding via libtwolame [no]
253 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
254 --enable-libv4l2 enable libv4l2/v4l-utils [no]
255 --enable-libvidstab enable video stabilization using vid.stab [no]
256 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
257 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
258 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
259 native implementation exists [no]
260 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
261 --enable-libwavpack enable wavpack encoding via libwavpack [no]
262 --enable-libwebp enable WebP encoding via libwebp [no]
263 --enable-libx264 enable H.264 encoding via x264 [no]
264 --enable-libx265 enable HEVC encoding via x265 [no]
265 --enable-libxavs enable AVS encoding via xavs [no]
266 --enable-libxcb enable X11 grabbing using XCB [autodetect]
267 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
268 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
269 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
270 --enable-libxvid enable Xvid encoding via xvidcore,
271 native MPEG-4/Xvid encoder exists [no]
272 --enable-libzimg enable z.lib, needed for zscale filter [no]
273 --enable-libzmq enable message passing via libzmq [no]
274 --enable-libzvbi enable teletext support via libzvbi [no]
275 --disable-lzma disable lzma [autodetect]
276 --enable-decklink enable Blackmagick DeckLink I/O support [no]
277 --enable-mmal enable decoding via MMAL [no]
278 --enable-nvenc enable NVIDIA NVENC support [no]
279 --enable-openal enable OpenAL 1.1 capture support [no]
280 --enable-opencl enable OpenCL code
281 --enable-opengl enable OpenGL rendering [no]
282 --enable-openssl enable openssl, needed for https support
283 if gnutls is not used [no]
284 --disable-sdl disable sdl [autodetect]
285 --disable-securetransport disable Secure Transport, needed for TLS support
286 on OSX if openssl and gnutls are not used [autodetect]
287 --enable-x11grab enable X11 grabbing (legacy) [no]
288 --disable-xlib disable xlib [autodetect]
289 --disable-zlib disable zlib [autodetect]
292 --arch=ARCH select architecture [$arch]
293 --cpu=CPU select the minimum required CPU (affects
294 instruction selection, may crash on older CPUs)
295 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
296 --progs-suffix=SUFFIX program name suffix []
297 --enable-cross-compile assume a cross-compiler is used
298 --sysroot=PATH root of cross-build tree
299 --sysinclude=PATH location of cross-build system headers
300 --target-os=OS compiler targets OS [$target_os]
301 --target-exec=CMD command to run executables on target
302 --target-path=DIR path to view of build directory on target
303 --target-samples=DIR path to samples directory on target
304 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
305 --toolchain=NAME set tool defaults according to NAME
306 --nm=NM use nm tool NM [$nm_default]
307 --ar=AR use archive tool AR [$ar_default]
308 --as=AS use assembler AS [$as_default]
309 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
310 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
311 --cc=CC use C compiler CC [$cc_default]
312 --cxx=CXX use C compiler CXX [$cxx_default]
313 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
314 --ld=LD use linker LD [$ld_default]
315 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
316 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
317 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
318 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
319 --host-cc=HOSTCC use host C compiler HOSTCC
320 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
321 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
322 --host-ld=HOSTLD use host linker HOSTLD
323 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
324 --host-libs=HLIBS use libs HLIBS when linking for host
325 --host-os=OS compiler host OS [$target_os]
326 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
327 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
328 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
329 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
330 --extra-ldlibflags=ELDFLAGS add ELDFLAGS to LDLIBFLAGS [$LDLIBFLAGS]
331 --extra-libs=ELIBS add ELIBS [$ELIBS]
332 --extra-version=STRING version string suffix []
333 --optflags=OPTFLAGS override optimization-related compiler flags
334 --build-suffix=SUFFIX library name suffix []
335 --enable-pic build position-independent code
336 --enable-thumb compile for Thumb instruction set
337 --enable-lto use link-time optimization
338 --env="ENV=override" override the environment variables
340 Advanced options (experts only):
341 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
342 --custom-allocator=NAME use a supported custom allocator
343 --disable-symver disable symbol versioning
344 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
345 --disable-safe-bitstream-reader
346 disable buffer boundary checking in bitreaders
347 (faster, but may crash)
348 --enable-memalign-hack emulate memalign, interferes with memory debuggers
349 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
351 Optimization options (experts only):
352 --disable-asm disable all assembly optimizations
353 --disable-altivec disable AltiVec optimizations
354 --disable-vsx disable VSX optimizations
355 --disable-power8 disable POWER8 optimizations
356 --disable-amd3dnow disable 3DNow! optimizations
357 --disable-amd3dnowext disable 3DNow! extended optimizations
358 --disable-mmx disable MMX optimizations
359 --disable-mmxext disable MMXEXT optimizations
360 --disable-sse disable SSE optimizations
361 --disable-sse2 disable SSE2 optimizations
362 --disable-sse3 disable SSE3 optimizations
363 --disable-ssse3 disable SSSE3 optimizations
364 --disable-sse4 disable SSE4 optimizations
365 --disable-sse42 disable SSE4.2 optimizations
366 --disable-avx disable AVX optimizations
367 --disable-xop disable XOP optimizations
368 --disable-fma3 disable FMA3 optimizations
369 --disable-fma4 disable FMA4 optimizations
370 --disable-avx2 disable AVX2 optimizations
371 --disable-aesni disable AESNI optimizations
372 --disable-armv5te disable armv5te optimizations
373 --disable-armv6 disable armv6 optimizations
374 --disable-armv6t2 disable armv6t2 optimizations
375 --disable-vfp disable VFP optimizations
376 --disable-neon disable NEON optimizations
377 --disable-inline-asm disable use of inline assembly
378 --disable-yasm disable use of nasm/yasm assembly
379 --disable-mips32r5 disable MIPS32R5 optimizations
380 --disable-mips64r6 disable MIPS64R6 optimizations
381 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
382 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
383 --disable-msa disable MSA optimizations
384 --disable-mipsfpu disable floating point MIPS optimizations
385 --disable-mmi disable Loongson SIMD optimizations
386 --disable-fast-unaligned consider unaligned accesses slow
388 Developer options (useful when working on FFmpeg itself):
389 --disable-debug disable debugging symbols
390 --enable-debug=LEVEL set the debug level [$debuglevel]
391 --disable-optimizations disable compiler optimizations
392 --enable-extra-warnings enable more compiler warnings
393 --disable-stripping disable stripping of executables and shared libraries
394 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
395 2 causes a slowdown at runtime.
396 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
397 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
398 leaks and errors, using the specified valgrind binary.
399 Cannot be combined with --target-exec
400 --enable-ftrapv Trap arithmetic overflows
401 --samples=PATH location of test samples for FATE, if not set use
402 \$FATE_SAMPLES at make invocation time.
403 --enable-neon-clobber-test check NEON registers for clobbering (should be
404 used only for debugging purposes)
405 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
406 should be used only for debugging purposes)
407 --enable-random randomly enable/disable components
409 --enable-random=LIST randomly enable/disable specific components or
410 --disable-random=LIST component groups. LIST is a comma-separated list
411 of NAME[:PROB] entries where NAME is a component
412 (group) and PROB the probability associated with
414 --random-seed=VALUE seed value for --enable/disable-random
415 --disable-valgrind-backtrace do not print a backtrace under Valgrind
416 (only applies to --disable-optimizations builds)
418 NOTE: Object files are built at the place where configure is launched.
424 if test -t 1 && which tput >/dev/null 2>&1; then
425 ncolors=$(tput colors)
426 if test -n "$ncolors" && test $ncolors -ge 8; then
427 bold_color=$(tput bold)
428 warn_color=$(tput setaf 3)
429 error_color=$(tput setaf 1)
430 reset_color=$(tput sgr0)
432 # 72 used instead of 80 since that's the default of pr
438 echo "$@" >> $logfile
443 pr -n -t $1 >> $logfile
449 WARNINGS="${WARNINGS}WARNING: $*\n"
454 echo "$error_color$bold_color$@$reset_color"
457 If you think configure made a mistake, make sure you are using the latest
458 version from Git. If the latest version fails, report the problem to the
459 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
461 if disabled logging; then
463 Rerun configure with logging enabled (do not use --disable-logging), and
464 include the log this produces with your report.
468 Include the log file "$logfile" produced by configure as this will help
475 # Avoid locale weirdness, besides we really just want to translate ASCII.
477 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
481 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
485 echo "$*" | sed 's/["\\]/\\\0/g'
489 v=$(echo "$1" | sed "s/'/'\\\\''/g")
490 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
495 echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
502 eval "case $v in $pat) echo $v ;; esac"
510 eval "case $v in $pat) ;; *) echo $v ;; esac"
517 for v; do eval $m; done
523 for v; do echo ${v}${suffix}; done
538 eval : \${$var:=$value}
543 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
549 eval $(sanitize_var_name "$var")='$*'
553 eval echo \$$(sanitize_var_name "$1")
558 eval level=\${${pvar}_level:=0}
559 eval ${pvar}_${level}="\$$pvar"
560 eval ${pvar}_level=$(($level+1))
566 eval level=\${${pvar}_level:-0}
567 test $level = 0 && continue
568 eval level=$(($level-1))
569 eval $pvar="\${${pvar}_${level}}"
570 eval ${pvar}_level=$level
571 eval unset ${pvar}_${level}
593 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
599 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
605 enabled $var && continue
606 eval sel="\$${var}_select"
607 eval sgs="\$${var}_suggest"
611 enable_deep_weak $sgs
623 disabled $var && continue
632 test "${1#!}" = "$1" && op='=' || op=!=
633 eval test "x\$${1#!}" $op "xyes"
637 test "${1#!}" = "$1" && op='=' || op=!=
638 eval test "x\$${1#!}" $op "xno"
643 enabled $opt || return 1
649 disabled $opt || return 1
655 enabled $opt && return 0
661 disabled $opt && return 0
668 eval : \${$opt:=\$${opt}_default}
676 [ $var = $value ] && return 0
684 enabled ${cfg}_checking && die "Circular dependency for $cfg."
685 disabled ${cfg}_checking && continue
686 enable ${cfg}_checking
689 eval dep_all="\$${cfg}_deps"
690 eval dep_any="\$${cfg}_deps_any"
691 eval dep_sel="\$${cfg}_select"
692 eval dep_sgs="\$${cfg}_suggest"
693 eval dep_ifa="\$${cfg}_if"
694 eval dep_ifn="\$${cfg}_if_any"
696 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
697 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
698 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
700 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
701 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
702 enabled_all $dep_all || disable $cfg
703 enabled_any $dep_any || disable $cfg
704 disabled_any $dep_sel && disable $cfg
706 if enabled $cfg; then
708 enable_deep_weak $dep_sgs
711 disable ${cfg}_checking
720 for cfg in $allopts; do
721 enabled $cfg || continue
722 eval dep_extralibs="\$${cfg}_extralibs"
723 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
731 map 'eval echo "$v \${$v:-no}"' "$@" |
732 awk "BEGIN { split(\"$files\", files) }
734 c = \"$pfx\" toupper(\$1);
740 if (file ~ /\\.h\$/) {
741 printf(\"#define %s %d\\n\", c, v) >>file;
742 } else if (file ~ /\\.asm\$/) {
743 printf(\"%%define %s %d\\n\", c, v) >>file;
744 } else if (file ~ /\\.mak\$/) {
745 n = -v ? \"\" : \"!\";
746 printf(\"%s%s=yes\\n\", n, c) >>file;
747 } else if (file ~ /\\.texi\$/) {
748 pre = -v ? \"\" : \"@c \";
751 gsub(/_/, \"-\", c2);
752 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
762 enabled $v && printf "%s\n" ${v%$suf};
769 eval "$var=\"\$$var $*\""
775 eval "$var=\"$* \$$var\""
781 for tok in $(eval echo \$$var); do
782 uniq_list="$(filter_out $tok $uniq_list) $tok"
784 eval "$var=\"${uniq_list}\""
792 append CFLAGS $($cflags_filter "$@")
796 append CXXFLAGS $($cflags_filter "$@")
800 append ASFLAGS $($asflags_filter "$@")
804 append LDFLAGS $($ldflags_filter "$@")
808 append LDEXEFLAGS $($ldflags_filter "$@")
812 append LDLIBFLAGS $($ldflags_filter "$@")
816 append ASMSTRIPFLAGS "$@"
820 prepend extralibs $($ldflags_filter "$@")
824 append host_cppflags "$@"
828 append host_cflags $($host_cflags_filter "$@")
832 append host_ldflags $($host_ldflags_filter "$@")
836 append compat_objs $1
838 map 'add_cppflags -D$v' "$@"
843 "$@" >> $logfile 2>&1
848 stat "$1" >> $logfile 2>&1
852 eval printf '%s\\n' $CC_O
856 eval printf '%s\\n' $CC_E
863 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
870 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
877 check_cmd $cc -Werror=missing-prototypes $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPM
884 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
888 eval printf '%s\\n' $AS_O
895 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
899 log check_inline_asm "$@"
904 check_cc "$@" <<EOF && enable $name
905 void foo(void){ __asm__ volatile($code); }
911 check_inline_asm ${1}_inline "\"$2\""
912 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
920 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
924 eval printf '%s\\n' $LD_O
931 flags=$(filter_out '-l*|*.so' $@)
932 libs=$(filter '-l*|*.so' $@)
933 check_$type $($cflags_filter $flags) || return
934 flags=$($ldflags_filter $flags)
935 libs=$($ldflags_filter $libs)
936 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
941 test "${hdr%.h}" = "${hdr}" &&
942 echo "#include $hdr" ||
943 echo "#include <$hdr>"
953 for hdr in $headers; do
956 echo "int main(void) { $code; return 0; }"
957 } | check_$check "$@"
961 log check_cppflags "$@"
962 check_cc "$@" <<EOF && append CPPFLAGS "$@"
969 set -- $($cflags_filter "$@")
976 log check_cflags "$@"
977 test_cflags "$@" && add_cflags "$@"
981 log check_cxxflags "$@"
982 set -- $($cflags_filter "$@")
983 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
989 log test_ldflags "$@"
990 check_ld "cc" "$@" <<EOF
991 int main(void){ return 0; }
996 log check_ldflags "$@"
997 test_ldflags "$@" && add_ldflags "$@"
1001 log test_stripflags "$@"
1002 # call check_cc to get a fresh TMPO
1004 int main(void) { return 0; }
1006 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1010 log check_stripflags "$@"
1011 test_stripflags "$@" && add_stripflags "$@"
1015 log check_header "$@"
1018 disable_safe $header
1019 check_cpp "$@" <<EOF && enable_safe $header
1026 log check_header_oc "$@"
1030 disable_safe $header
1032 echo "#include <$header>"
1033 echo "int main(void) { return 0; }"
1034 } | check_oc && check_stat "$TMPO" && enable_safe $headers
1042 check_ld "cc" "$@" <<EOF && enable $func
1044 int main(void){ $func(); }
1049 log check_mathfunc "$@"
1053 test $narg = 2 && args="f, g" || args="f"
1055 check_ld "cc" "$@" <<EOF && enable $func
1057 float foo(float f, float g) { return $func($args); }
1058 int main(void){ return (int) foo; }
1062 check_func_headers(){
1063 log check_func_headers "$@"
1068 for hdr in $headers; do
1071 for func in $funcs; do
1072 echo "long check_$func(void) { return (long) $func; }"
1074 echo "int main(void) { return 0; }"
1075 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1078 check_class_headers_cpp(){
1079 log check_class_headers_cpp "$@"
1084 for hdr in $headers; do
1085 echo "#include <$hdr>"
1087 echo "int main(void) { "
1089 for class in $classes; do
1090 echo "$class obj$i;"
1094 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1097 check_cpp_condition(){
1098 log check_cpp_condition "$@"
1102 check_cpp "$@" <<EOF
1105 #error "unsatisfied condition: $condition"
1115 check_header $header && check_func $func "$@" && add_extralibs "$@"
1123 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1127 log check_lib_cpp "$@"
1131 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1135 log check_pkg_config "$@"
1141 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1142 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1143 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1144 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1145 set_safe "${pkg}_cflags" $pkg_cflags &&
1146 set_safe "${pkg}_libs" $pkg_libs
1150 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1156 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1157 # are safe but may not be available everywhere. Thus we use
1158 # raise(SIGTERM) instead. The check is run in a subshell so we
1159 # can redirect the "Terminated" message from the shell. SIGBUS
1160 # is not defined by standard C so it is used conditionally.
1162 (check_exec "$@") >> $logfile 2>&1 <<EOF
1164 static void sighandler(int sig){
1170 int (*func_ptr)(void) = foo;
1172 signal(SIGILL, sighandler);
1173 signal(SIGFPE, sighandler);
1174 signal(SIGSEGV, sighandler);
1176 signal(SIGBUS, sighandler);
1188 disable_safe "$type"
1189 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1193 log check_struct "$@"
1198 disable_safe "${struct}_${member}"
1199 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1200 enable_safe "${struct}_${member}"
1204 log check_builtin "$@"
1210 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1213 check_compile_assert(){
1214 log check_compile_assert "$@"
1220 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1228 check_lib $header $func "$@" || die "ERROR: $name not found"
1236 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1244 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1249 check_pkg_config "$@" || return 1
1250 add_cflags $(get_safe "${pkg}_cflags")
1251 add_extralibs $(get_safe "${pkg}_libs")
1254 require_pkg_config(){
1255 use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"
1258 require_libfreetype(){
1259 log require_libfreetype "$@"
1261 check_cmd $pkg_config --exists --print-errors $pkg \
1262 || die "ERROR: $pkg not found"
1263 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1264 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1266 echo "#include <ft2build.h>"
1267 echo "#include FT_FREETYPE_H"
1268 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1269 echo "int main(void) { return 0; }"
1270 } | check_ld "cc" $pkg_cflags $pkg_libs \
1271 && set_safe "${pkg}_cflags" $pkg_cflags \
1272 && set_safe "${pkg}_libs" $pkg_libs \
1273 || die "ERROR: $pkg not found"
1274 add_cflags $(get_safe "${pkg}_cflags")
1275 add_extralibs $(get_safe "${pkg}_libs")
1279 eval printf '%s\\n' $HOSTCC_E
1283 eval printf '%s\\n' $HOSTCC_O
1287 log check_host_cc "$@"
1290 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1294 log check_host_cpp "$@"
1297 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1300 check_host_cppflags(){
1301 log check_host_cppflags "$@"
1302 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1307 check_host_cflags(){
1308 log check_host_cflags "$@"
1309 set -- $($host_cflags_filter "$@")
1310 check_host_cc "$@" <<EOF && append host_cflags "$@"
1315 check_host_cpp_condition(){
1316 log check_host_cpp_condition "$@"
1320 check_host_cpp "$@" <<EOF
1323 #error "unsatisfied condition: $condition"
1329 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1330 mkdir -p "$(dirname $2)"
1334 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1335 # system-dependent things.
1337 AVCODEC_COMPONENTS="
1345 AVDEVICE_COMPONENTS="
1349 AVFILTER_COMPONENTS="
1352 AVFORMAT_COMPONENTS="
1358 AVRESAMPLE_COMPONENTS=""
1359 AVUTIL_COMPONENTS=""
1363 $AVDEVICE_COMPONENTS
1364 $AVFILTER_COMPONENTS
1365 $AVFORMAT_COMPONENTS
1366 $AVRESAMPLE_COMPONENTS
1371 avio_reading_example
1372 avio_dir_cmd_example
1373 decoding_encoding_example
1374 demuxing_decoding_example
1376 filter_audio_example
1377 filtering_audio_example
1378 filtering_video_example
1383 resampling_audio_example
1384 scaling_video_example
1385 transcode_aac_example
1389 EXTERNAL_LIBRARY_LIST="
1491 safe_bitstream_reader
1552 $EXTERNAL_LIBRARY_LIST
1560 incompatible_libav_abi
1622 ARCH_EXT_LIST_MIPS="
1632 ARCH_EXT_LIST_LOONGSON="
1638 ARCH_EXT_LIST_X86_SIMD="
1667 $ARCH_EXT_LIST_X86_SIMD
1677 $ARCH_EXT_LIST_LOONGSON
1693 atomic_compare_exchange
1699 sync_val_compare_and_swap
1710 incompatible_libav_abi
1719 cdio_paranoia_paranoia_h
1720 dev_bktr_ioctl_bt848_h
1721 dev_bktr_ioctl_meteor_h
1723 dev_video_bktr_ioctl_bt848_h
1724 dev_video_meteor_ioctl_meteor_h
1734 machine_ioctl_bt848_h
1735 machine_ioctl_meteor_h
1737 openjpeg_1_5_openjpeg_h
1807 GetProcessAffinityMask
1808 GetProcessMemoryInfo
1812 GetSystemTimeAsFileTime
1819 jack_port_get_latency_range
1835 SetConsoleTextAttribute
1836 SetConsoleCtrlHandler
1844 UTGetOSTypeFromString
1849 TOOLCHAIN_FEATURES="
1862 inline_asm_nonlocal_labels
1863 inline_asm_direct_symbol_refs
1874 CONDITION_VARIABLE_Ptr
1877 struct_dcadec_exss_info_matrix_encoding
1878 struct_group_source_req
1879 struct_ip_mreq_source
1882 struct_rusage_ru_maxrss
1883 struct_sctp_event_subscribe
1885 struct_sockaddr_sa_len
1886 struct_sockaddr_storage
1887 struct_stat_st_mtim_tv_nsec
1888 struct_v4l2_frmivalenum_discrete
1893 $(add_suffix _external $ARCH_EXT_LIST)
1894 $(add_suffix _inline $ARCH_EXT_LIST)
1928 # options emitted with CONFIG_ prefix but not available on the command line
1944 frame_thread_encoder
2086 # code dependency declarations
2088 # architecture extensions
2093 armv8_deps="aarch64"
2094 neon_deps_any="aarch64 arm"
2095 intrinsics_neon_deps="neon"
2096 vfp_deps_any="aarch64 arm"
2100 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2103 mipsdspr1_deps="mips"
2104 mipsdspr2_deps="mips"
2105 mips32r2_deps="mips"
2106 mips32r5_deps="mips"
2107 mips64r6_deps="mips"
2119 x86_64_select="i686"
2120 x86_64_suggest="fast_cmov"
2123 amd3dnowext_deps="amd3dnow"
2140 mmx_external_deps="yasm"
2141 mmx_inline_deps="inline_asm"
2142 mmx_suggest="mmx_external mmx_inline"
2144 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2145 eval dep=\$${ext}_deps
2146 eval ${ext}_external_deps='"${dep}_external"'
2147 eval ${ext}_inline_deps='"${dep}_inline"'
2148 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2151 aligned_stack_if_any="aarch64 ppc x86"
2152 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2153 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2154 fast_unaligned_if_any="aarch64 ppc x86"
2155 simd_align_16_if_any="altivec neon sse"
2157 # system capabilities
2158 symver_if_any="symver_asm_label symver_gnu_asm"
2159 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
2162 atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"
2163 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2164 atomics_win32_if="MemoryBarrier"
2165 atomics_native_if_any="$ATOMICS_LIST"
2166 w32threads_deps="atomics_native"
2167 threads_if_any="$THREADS_LIST"
2171 error_resilience_select="me_cmp"
2172 faandct_deps="faan fdctdsp"
2173 faanidct_deps="faan idctdsp"
2174 frame_thread_encoder_deps="encoders threads"
2175 intrax8_select="error_resilience"
2178 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2179 mpeg_er_select="error_resilience"
2180 mpegaudio_select="mpegaudiodsp"
2181 mpegaudiodsp_select="dct"
2182 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2183 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2187 # decoders / encoders
2188 aac_decoder_select="imdct15 mdct sinewin"
2189 aac_fixed_decoder_select="mdct sinewin"
2190 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2191 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2192 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2193 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2194 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2195 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2196 adpcm_g722_decoder_select="g722dsp"
2197 adpcm_g722_encoder_select="g722dsp"
2198 aic_decoder_select="golomb idctdsp"
2199 alac_encoder_select="lpc"
2200 als_decoder_select="bswapdsp"
2201 amrnb_decoder_select="lsp"
2202 amrwb_decoder_select="lsp"
2203 amv_decoder_select="sp5x_decoder exif"
2204 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2205 ape_decoder_select="bswapdsp llauddsp"
2206 apng_decoder_select="zlib"
2207 apng_encoder_select="huffyuvencdsp zlib"
2208 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2209 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2210 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2211 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2212 atrac1_decoder_select="mdct sinewin"
2213 atrac3_decoder_select="mdct"
2214 atrac3p_decoder_select="mdct sinewin"
2215 avrn_decoder_select="exif jpegtables"
2216 bink_decoder_select="blockdsp hpeldsp"
2217 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2218 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2219 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2220 cllc_decoder_select="bswapdsp"
2221 comfortnoise_encoder_select="lpc"
2222 cook_decoder_select="audiodsp mdct sinewin"
2223 cscd_decoder_select="lzo"
2224 cscd_decoder_suggest="zlib"
2225 dca_decoder_select="fmtconvert mdct"
2226 dds_decoder_select="texturedsp"
2227 dirac_decoder_select="dwt golomb videodsp mpegvideoenc"
2228 dnxhd_decoder_select="blockdsp idctdsp"
2229 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2230 dvvideo_decoder_select="dvprofile idctdsp"
2231 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2232 dxa_decoder_select="zlib"
2233 dxv_decoder_select="lzf texturedsp"
2234 eac3_decoder_select="ac3_decoder"
2235 eac3_encoder_select="ac3_encoder"
2236 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2237 eatgq_decoder_select="aandcttables"
2238 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
2239 exr_decoder_select="zlib"
2240 ffv1_decoder_select="golomb rangecoder"
2241 ffv1_encoder_select="rangecoder"
2242 ffvhuff_decoder_select="huffyuv_decoder"
2243 ffvhuff_encoder_select="huffyuv_encoder"
2244 fic_decoder_select="golomb"
2245 flac_decoder_select="flacdsp golomb"
2246 flac_encoder_select="bswapdsp flacdsp golomb lpc"
2247 flashsv_decoder_select="zlib"
2248 flashsv_encoder_select="zlib"
2249 flashsv2_encoder_select="zlib"
2250 flashsv2_decoder_select="zlib"
2251 flv_decoder_select="h263_decoder"
2252 flv_encoder_select="h263_encoder"
2253 fourxm_decoder_select="blockdsp bswapdsp"
2254 fraps_decoder_select="bswapdsp huffman"
2255 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2256 g729_decoder_select="audiodsp"
2257 h261_decoder_select="mpegvideo"
2258 h261_encoder_select="aandcttables mpegvideoenc"
2259 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2260 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2261 h263i_decoder_select="h263_decoder"
2262 h263p_decoder_select="h263_decoder"
2263 h263p_encoder_select="h263_encoder"
2264 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
2265 h264_decoder_suggest="error_resilience"
2266 h264_qsv_decoder_deps="libmfx"
2267 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2268 h264_qsv_encoder_deps="libmfx"
2269 h264_qsv_encoder_select="qsvenc"
2270 hap_decoder_select="snappy texturedsp"
2271 hap_encoder_deps="libsnappy"
2272 hap_encoder_select="texturedspenc"
2273 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2274 hevc_qsv_encoder_deps="libmfx"
2275 hevc_qsv_decoder_deps="libmfx"
2276 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
2277 hevc_qsv_encoder_select="qsvenc"
2278 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2279 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
2280 iac_decoder_select="imc_decoder"
2281 imc_decoder_select="bswapdsp fft mdct sinewin"
2282 indeo3_decoder_select="hpeldsp"
2283 indeo4_decoder_select="ividsp"
2284 indeo5_decoder_select="ividsp"
2285 interplay_video_decoder_select="hpeldsp"
2286 jpegls_decoder_select="golomb mjpeg_decoder"
2287 jpegls_encoder_select="golomb"
2288 jv_decoder_select="blockdsp"
2289 lagarith_decoder_select="huffyuvdsp"
2290 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2291 loco_decoder_select="golomb"
2292 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2293 metasound_decoder_select="lsp mdct sinewin"
2294 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2295 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2296 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2297 mjpegb_decoder_select="mjpeg_decoder"
2298 mlp_decoder_select="mlp_parser"
2299 motionpixels_decoder_select="bswapdsp"
2300 mp1_decoder_select="mpegaudio"
2301 mp1float_decoder_select="mpegaudio"
2302 mp2_decoder_select="mpegaudio"
2303 mp2float_decoder_select="mpegaudio"
2304 mp3_decoder_select="mpegaudio"
2305 mp3adu_decoder_select="mpegaudio"
2306 mp3adufloat_decoder_select="mpegaudio"
2307 mp3float_decoder_select="mpegaudio"
2308 mp3on4_decoder_select="mpegaudio"
2309 mp3on4float_decoder_select="mpegaudio"
2310 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2311 mpc8_decoder_select="mpegaudiodsp"
2312 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2313 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2314 mpegvideo_decoder_select="mpegvideo"
2315 mpeg1video_decoder_select="mpegvideo"
2316 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2317 mpeg2video_decoder_select="mpegvideo"
2318 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2319 mpeg2_qsv_decoder_deps="libmfx"
2320 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
2321 mpeg2_qsv_encoder_deps="libmfx"
2322 mpeg2_qsv_encoder_select="qsvenc"
2323 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2324 mpeg4_encoder_select="h263_encoder"
2325 msa1_decoder_select="mss34dsp"
2326 msmpeg4v1_decoder_select="h263_decoder"
2327 msmpeg4v2_decoder_select="h263_decoder"
2328 msmpeg4v2_encoder_select="h263_encoder"
2329 msmpeg4v3_decoder_select="h263_decoder"
2330 msmpeg4v3_encoder_select="h263_encoder"
2331 mss2_decoder_select="vc1_decoder"
2332 mts2_decoder_select="mss34dsp"
2333 mxpeg_decoder_select="mjpeg_decoder"
2334 nellymoser_decoder_select="mdct sinewin"
2335 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2336 nuv_decoder_select="idctdsp lzo"
2337 on2avc_decoder_select="mdct"
2338 opus_decoder_deps="swresample"
2339 opus_decoder_select="imdct15"
2340 png_decoder_select="zlib"
2341 png_encoder_select="huffyuvencdsp zlib"
2342 prores_decoder_select="blockdsp idctdsp"
2343 prores_encoder_select="fdctdsp"
2344 qcelp_decoder_select="lsp"
2345 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2346 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2347 ra_144_decoder_select="audiodsp"
2348 ralf_decoder_select="golomb"
2349 rawvideo_decoder_select="bswapdsp"
2350 rscc_decoder_select="zlib"
2351 rtjpeg_decoder_select="me_cmp"
2352 rv10_decoder_select="h263_decoder"
2353 rv10_encoder_select="h263_encoder"
2354 rv20_decoder_select="h263_decoder"
2355 rv20_encoder_select="h263_encoder"
2356 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2357 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2358 screenpresso_decoder_select="zlib"
2359 shorten_decoder_select="golomb"
2360 sipr_decoder_select="lsp"
2361 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2362 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2363 sonic_decoder_select="golomb rangecoder"
2364 sonic_encoder_select="golomb rangecoder"
2365 sonic_ls_encoder_select="golomb rangecoder"
2366 sp5x_decoder_select="mjpeg_decoder"
2367 svq1_decoder_select="hpeldsp"
2368 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2369 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2370 svq3_decoder_suggest="zlib"
2371 tak_decoder_select="audiodsp"
2372 tdsc_decoder_select="zlib mjpeg_decoder"
2373 theora_decoder_select="vp3_decoder"
2374 thp_decoder_select="mjpeg_decoder"
2375 tiff_decoder_suggest="zlib lzma"
2376 tiff_encoder_suggest="zlib"
2377 truehd_decoder_select="mlp_parser"
2378 truemotion2_decoder_select="bswapdsp"
2379 truespeech_decoder_select="bswapdsp"
2380 tscc_decoder_select="zlib"
2381 twinvq_decoder_select="mdct lsp sinewin"
2382 txd_decoder_select="texturedsp"
2383 utvideo_decoder_select="bswapdsp"
2384 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2385 vble_decoder_select="huffyuvdsp"
2386 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 qpeldsp startcode"
2387 vc1image_decoder_select="vc1_decoder"
2388 vc1_qsv_decoder_deps="libmfx"
2389 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"
2390 vorbis_decoder_select="mdct"
2391 vorbis_encoder_select="mdct"
2392 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2393 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2394 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2395 vp6a_decoder_select="vp6_decoder"
2396 vp6f_decoder_select="vp6_decoder"
2397 vp7_decoder_select="h264pred videodsp vp8dsp"
2398 vp8_decoder_select="h264pred videodsp vp8dsp"
2399 vp9_decoder_select="videodsp vp9_parser"
2400 webp_decoder_select="vp8_decoder"
2401 wmalossless_decoder_select="llauddsp"
2402 wmapro_decoder_select="mdct sinewin wma_freqs"
2403 wmav1_decoder_select="mdct sinewin wma_freqs"
2404 wmav1_encoder_select="mdct sinewin wma_freqs"
2405 wmav2_decoder_select="mdct sinewin wma_freqs"
2406 wmav2_encoder_select="mdct sinewin wma_freqs"
2407 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2408 wmv1_decoder_select="h263_decoder"
2409 wmv1_encoder_select="h263_encoder"
2410 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2411 wmv2_encoder_select="h263_encoder wmv2dsp"
2412 wmv3_decoder_select="vc1_decoder"
2413 wmv3image_decoder_select="wmv3_decoder"
2414 zerocodec_decoder_select="zlib"
2415 zlib_decoder_select="zlib"
2416 zlib_encoder_select="zlib"
2417 zmbv_decoder_select="zlib"
2418 zmbv_encoder_select="zlib"
2420 # hardware accelerators
2421 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2422 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2423 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2424 vaapi_deps="va_va_h"
2425 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2426 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2427 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2428 videotoolbox_deps="VideoToolbox_VideoToolbox_h pthreads"
2429 videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework QuartzCore -framework CoreVideo"
2430 xvmc_deps="X11_extensions_XvMClib_h"
2432 h263_vaapi_hwaccel_deps="vaapi"
2433 h263_vaapi_hwaccel_select="h263_decoder"
2434 h263_vdpau_hwaccel_deps="vdpau"
2435 h263_vdpau_hwaccel_select="h263_decoder"
2436 h263_videotoolbox_hwaccel_deps="videotoolbox"
2437 h263_videotoolbox_hwaccel_select="h263_decoder"
2438 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2439 h264_d3d11va_hwaccel_deps="d3d11va"
2440 h264_d3d11va_hwaccel_select="h264_decoder"
2441 h264_dxva2_hwaccel_deps="dxva2"
2442 h264_dxva2_hwaccel_select="h264_decoder"
2443 h264_mmal_decoder_deps="mmal"
2444 h264_mmal_hwaccel_deps="mmal"
2445 h264_mmal_decoder_select="h264_decoder"
2446 h264_mmal_encoder_deps="mmal"
2447 h264_qsv_hwaccel_deps="libmfx"
2448 h264_vaapi_hwaccel_deps="vaapi"
2449 h264_vaapi_hwaccel_select="h264_decoder"
2450 h264_vda_decoder_deps="vda"
2451 h264_vda_decoder_select="h264_decoder"
2452 h264_vda_hwaccel_deps="vda"
2453 h264_vda_hwaccel_select="h264_decoder"
2454 h264_vda_old_hwaccel_deps="vda"
2455 h264_vda_old_hwaccel_select="h264_decoder"
2456 h264_vdpau_decoder_deps="vdpau"
2457 h264_vdpau_decoder_select="h264_decoder"
2458 h264_vdpau_hwaccel_deps="vdpau"
2459 h264_vdpau_hwaccel_select="h264_decoder"
2460 h264_videotoolbox_hwaccel_deps="videotoolbox"
2461 h264_videotoolbox_hwaccel_select="h264_decoder"
2462 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2463 hevc_d3d11va_hwaccel_select="hevc_decoder"
2464 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2465 hevc_dxva2_hwaccel_select="hevc_decoder"
2466 hevc_qsv_hwaccel_deps="libmfx"
2467 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2468 hevc_vaapi_hwaccel_select="hevc_decoder"
2469 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2470 hevc_vdpau_hwaccel_select="hevc_decoder"
2471 mpeg_vdpau_decoder_deps="vdpau"
2472 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2473 mpeg_xvmc_hwaccel_deps="xvmc"
2474 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2475 mpeg1_vdpau_decoder_deps="vdpau"
2476 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2477 mpeg1_vdpau_hwaccel_deps="vdpau"
2478 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2479 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2480 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2481 mpeg1_xvmc_hwaccel_deps="xvmc"
2482 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2483 mpeg2_crystalhd_decoder_select="crystalhd"
2484 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2485 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2486 mpeg2_dxva2_hwaccel_deps="dxva2"
2487 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2488 mpeg2_mmal_decoder_deps="mmal"
2489 mpeg2_mmal_hwaccel_deps="mmal"
2490 mpeg2_mmal_decoder_select="mpeg2video_decoder"
2491 mpeg2_qsv_hwaccel_deps="libmfx"
2492 mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"
2493 mpeg2_vaapi_hwaccel_deps="vaapi"
2494 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2495 mpeg2_vdpau_hwaccel_deps="vdpau"
2496 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2497 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2498 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2499 mpeg2_xvmc_hwaccel_deps="xvmc"
2500 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2501 mpeg4_crystalhd_decoder_select="crystalhd"
2502 mpeg4_vaapi_hwaccel_deps="vaapi"
2503 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2504 mpeg4_vdpau_decoder_deps="vdpau"
2505 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2506 mpeg4_vdpau_hwaccel_deps="vdpau"
2507 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2508 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2509 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2510 msmpeg4_crystalhd_decoder_select="crystalhd"
2511 vc1_crystalhd_decoder_select="crystalhd"
2512 vc1_d3d11va_hwaccel_deps="d3d11va"
2513 vc1_d3d11va_hwaccel_select="vc1_decoder"
2514 vc1_dxva2_hwaccel_deps="dxva2"
2515 vc1_dxva2_hwaccel_select="vc1_decoder"
2516 vc1_vaapi_hwaccel_deps="vaapi"
2517 vc1_vaapi_hwaccel_select="vc1_decoder"
2518 vc1_vdpau_decoder_deps="vdpau"
2519 vc1_vdpau_decoder_select="vc1_decoder"
2520 vc1_vdpau_hwaccel_deps="vdpau"
2521 vc1_vdpau_hwaccel_select="vc1_decoder"
2522 vc1_qsv_hwaccel_deps="libmfx"
2523 vc1_qsv_hwaccel_select="qsvdec_vc1"
2524 wmv3_crystalhd_decoder_select="crystalhd"
2525 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2526 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2527 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2528 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2529 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2532 h264_parser_select="h264_decoder"
2533 hevc_parser_select="golomb"
2534 mpegvideo_parser_select="mpegvideo"
2535 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2536 vc1_parser_select="mpegvideo startcode vc1_decoder"
2539 mjpeg2jpeg_bsf_select="jpegtables"
2541 # external libraries
2542 chromaprint_muxer_deps="chromaprint"
2543 libaacplus_encoder_deps="libaacplus"
2544 libcelt_decoder_deps="libcelt"
2545 libdcadec_decoder_deps="libdcadec"
2546 libfaac_encoder_deps="libfaac"
2547 libfaac_encoder_select="audio_frame_queue"
2548 libfdk_aac_decoder_deps="libfdk_aac"
2549 libfdk_aac_encoder_deps="libfdk_aac"
2550 libfdk_aac_encoder_select="audio_frame_queue"
2551 libgme_demuxer_deps="libgme"
2552 libgsm_decoder_deps="libgsm"
2553 libgsm_encoder_deps="libgsm"
2554 libgsm_ms_decoder_deps="libgsm"
2555 libgsm_ms_encoder_deps="libgsm"
2556 libilbc_decoder_deps="libilbc"
2557 libilbc_encoder_deps="libilbc"
2558 libkvazaar_encoder_deps="libkvazaar"
2559 libmodplug_demuxer_deps="libmodplug"
2560 libmp3lame_encoder_deps="libmp3lame"
2561 libmp3lame_encoder_select="audio_frame_queue"
2562 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2563 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2564 libopencore_amrnb_encoder_select="audio_frame_queue"
2565 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2566 libopenh264_encoder_deps="libopenh264"
2567 libopenjpeg_decoder_deps="libopenjpeg"
2568 libopenjpeg_encoder_deps="libopenjpeg"
2569 libopus_decoder_deps="libopus"
2570 libopus_encoder_deps="libopus"
2571 libopus_encoder_select="audio_frame_queue"
2572 libquvi_demuxer_deps="libquvi"
2573 libschroedinger_decoder_deps="libschroedinger"
2574 libschroedinger_encoder_deps="libschroedinger"
2575 libshine_encoder_deps="libshine"
2576 libshine_encoder_select="audio_frame_queue"
2577 libspeex_decoder_deps="libspeex"
2578 libspeex_encoder_deps="libspeex"
2579 libspeex_encoder_select="audio_frame_queue"
2580 libstagefright_h264_decoder_deps="libstagefright_h264"
2581 libtheora_encoder_deps="libtheora"
2582 libtwolame_encoder_deps="libtwolame"
2583 libvo_aacenc_encoder_deps="libvo_aacenc"
2584 libvo_aacenc_encoder_select="audio_frame_queue"
2585 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2586 libvorbis_decoder_deps="libvorbis"
2587 libvorbis_encoder_deps="libvorbis"
2588 libvorbis_encoder_select="audio_frame_queue"
2589 libvpx_vp8_decoder_deps="libvpx"
2590 libvpx_vp8_encoder_deps="libvpx"
2591 libvpx_vp9_decoder_deps="libvpx"
2592 libvpx_vp9_encoder_deps="libvpx"
2593 libwavpack_encoder_deps="libwavpack"
2594 libwebp_encoder_deps="libwebp"
2595 libwebp_anim_encoder_deps="libwebp"
2596 libx262_encoder_deps="libx262"
2597 libx264_encoder_deps="libx264"
2598 libx264rgb_encoder_deps="libx264"
2599 libx264rgb_encoder_select="libx264_encoder"
2600 libx265_encoder_deps="libx265"
2601 libxavs_encoder_deps="libxavs"
2602 libxvid_encoder_deps="libxvid"
2603 libutvideo_decoder_deps="libutvideo"
2604 libutvideo_encoder_deps="libutvideo"
2605 libzvbi_teletext_decoder_deps="libzvbi"
2606 nvenc_encoder_deps="nvenc"
2607 nvenc_h264_encoder_deps="nvenc"
2608 nvenc_hevc_encoder_deps="nvenc"
2611 ac3_demuxer_select="ac3_parser"
2612 asf_demuxer_select="riffdec"
2613 asf_o_demuxer_select="riffdec"
2614 asf_muxer_select="riffenc"
2615 asf_stream_muxer_select="asf_muxer"
2616 avi_demuxer_select="riffdec exif"
2617 avi_muxer_select="riffenc"
2618 avisynth_demuxer_deps="avisynth"
2619 avisynth_demuxer_select="riffdec"
2620 caf_demuxer_select="riffdec"
2621 dash_muxer_select="mp4_muxer"
2622 dirac_demuxer_select="dirac_parser"
2623 dts_demuxer_select="dca_parser"
2624 dtshd_demuxer_select="dca_parser"
2625 dv_demuxer_select="dvprofile"
2626 dv_muxer_select="dvprofile"
2627 dxa_demuxer_select="riffdec"
2628 eac3_demuxer_select="ac3_parser"
2629 f4v_muxer_select="mov_muxer"
2630 flac_demuxer_select="flac_parser"
2631 hds_muxer_select="flv_muxer"
2632 hls_muxer_select="mpegts_muxer"
2633 image2_alias_pix_demuxer_select="image2_demuxer"
2634 image2_brender_pix_demuxer_select="image2_demuxer"
2635 ipod_muxer_select="mov_muxer"
2636 ismv_muxer_select="mov_muxer"
2637 libnut_demuxer_deps="libnut"
2638 libnut_muxer_deps="libnut"
2639 matroska_audio_muxer_select="matroska_muxer"
2640 matroska_demuxer_select="riffdec"
2641 matroska_demuxer_suggest="bzlib lzo zlib"
2642 matroska_muxer_select="riffenc"
2643 mmf_muxer_select="riffenc"
2644 mov_demuxer_select="riffdec"
2645 mov_demuxer_suggest="zlib"
2646 mov_muxer_select="riffenc rtpenc_chain"
2647 mp3_demuxer_select="mpegaudio_parser"
2648 mp4_muxer_select="mov_muxer"
2649 mpegts_muxer_select="adts_muxer latm_muxer"
2650 mpegtsraw_demuxer_select="mpegts_demuxer"
2651 mxf_d10_muxer_select="mxf_muxer"
2652 mxf_opatom_muxer_select="mxf_muxer"
2653 nut_muxer_select="riffenc"
2654 nuv_demuxer_select="riffdec"
2655 oga_muxer_select="ogg_muxer"
2656 ogg_demuxer_select="golomb"
2657 opus_muxer_select="ogg_muxer"
2658 psp_muxer_select="mov_muxer"
2659 rtp_demuxer_select="sdp_demuxer"
2660 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2661 rtsp_demuxer_select="http_protocol rtpdec"
2662 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2663 sap_demuxer_select="sdp_demuxer"
2664 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2665 sdp_demuxer_select="rtpdec"
2666 smoothstreaming_muxer_select="ismv_muxer"
2667 spdif_muxer_select="aac_parser"
2668 spx_muxer_select="ogg_muxer"
2669 tak_demuxer_select="tak_parser"
2670 tg2_muxer_select="mov_muxer"
2671 tgp_muxer_select="mov_muxer"
2672 vobsub_demuxer_select="mpegps_demuxer"
2673 w64_demuxer_select="wav_demuxer"
2674 w64_muxer_select="wav_muxer"
2675 wav_demuxer_select="riffdec"
2676 wav_muxer_select="riffenc"
2677 webm_muxer_select="riffenc"
2678 wtv_demuxer_select="riffdec"
2679 wtv_muxer_select="riffenc"
2680 xmv_demuxer_select="riffdec"
2681 xwma_demuxer_select="riffdec"
2684 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2685 alsa_outdev_deps="alsa_asoundlib_h"
2686 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2687 avfoundation_indev_select="avfoundation"
2688 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2689 caca_outdev_deps="libcaca"
2690 decklink_outdev_deps="decklink pthreads"
2691 decklink_outdev_extralibs="-lstdc++"
2692 decklink_indev_deps="decklink pthreads"
2693 decklink_indev_extralibs="-lstdc++"
2694 dshow_indev_deps="IBaseFilter"
2695 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
2696 dv1394_indev_deps="dv1394"
2697 dv1394_indev_select="dv_demuxer"
2698 fbdev_indev_deps="linux_fb_h"
2699 fbdev_outdev_deps="linux_fb_h"
2700 gdigrab_indev_deps="CreateDIBSection"
2701 gdigrab_indev_extralibs="-lgdi32"
2702 gdigrab_indev_select="bmp_decoder"
2703 iec61883_indev_deps="libiec61883"
2704 jack_indev_deps="jack_jack_h sem_timedwait"
2705 lavfi_indev_deps="avfilter"
2706 libcdio_indev_deps="libcdio"
2707 libdc1394_indev_deps="libdc1394"
2708 libv4l2_indev_deps="libv4l2"
2709 openal_indev_deps="openal"
2710 opengl_outdev_deps="opengl"
2711 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2712 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2713 pulse_indev_deps="libpulse"
2714 pulse_outdev_deps="libpulse"
2715 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2716 qtkit_indev_select="qtkit"
2717 sdl_outdev_deps="sdl"
2718 sndio_indev_deps="sndio_h"
2719 sndio_outdev_deps="sndio_h"
2720 v4l_indev_deps="linux_videodev_h"
2721 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2722 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2723 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2724 vfwcap_indev_extralibs="-lavicap32"
2725 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2726 xv_outdev_extralibs="-lXv -lX11 -lXext"
2727 x11grab_indev_deps="x11grab"
2728 x11grab_xcb_indev_deps="libxcb"
2731 async_protocol_deps="threads"
2732 bluray_protocol_deps="libbluray"
2733 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2734 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2735 ffrtmpcrypt_protocol_select="tcp_protocol"
2736 ffrtmphttp_protocol_deps="!librtmp_protocol"
2737 ffrtmphttp_protocol_select="http_protocol"
2738 ftp_protocol_select="tcp_protocol"
2739 gopher_protocol_select="network"
2740 http_protocol_select="tcp_protocol"
2741 httpproxy_protocol_select="tcp_protocol"
2742 https_protocol_select="tls_protocol"
2743 icecast_protocol_select="http_protocol"
2744 librtmp_protocol_deps="librtmp"
2745 librtmpe_protocol_deps="librtmp"
2746 librtmps_protocol_deps="librtmp"
2747 librtmpt_protocol_deps="librtmp"
2748 librtmpte_protocol_deps="librtmp"
2749 libsmbclient_protocol_deps="libsmbclient gplv3"
2750 libssh_protocol_deps="libssh"
2751 mmsh_protocol_select="http_protocol"
2752 mmst_protocol_select="network"
2753 rtmp_protocol_deps="!librtmp_protocol"
2754 rtmp_protocol_select="tcp_protocol"
2755 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2756 rtmps_protocol_deps="!librtmp_protocol"
2757 rtmps_protocol_select="tls_protocol"
2758 rtmpt_protocol_select="ffrtmphttp_protocol"
2759 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2760 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2761 rtp_protocol_select="udp_protocol"
2762 sctp_protocol_deps="struct_sctp_event_subscribe"
2763 sctp_protocol_select="network"
2764 srtp_protocol_select="rtp_protocol"
2765 tcp_protocol_select="network"
2766 tls_gnutls_protocol_deps="gnutls !tls_securetransport_protocol"
2767 tls_gnutls_protocol_select="tcp_protocol"
2768 tls_openssl_protocol_deps="openssl !tls_securetransport_protocol !tls_gnutls_protocol"
2769 tls_openssl_protocol_select="tcp_protocol"
2770 tls_securetransport_protocol_deps="securetransport"
2771 tls_securetransport_protocol_select="tcp_protocol"
2772 tls_protocol_deps_any="tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
2773 udp_protocol_select="network"
2774 udplite_protocol_select="network"
2775 unix_protocol_deps="sys_un_h"
2776 unix_protocol_select="network"
2779 amovie_filter_deps="avcodec avformat"
2780 aresample_filter_deps="swresample"
2781 ass_filter_deps="libass"
2782 asyncts_filter_deps="avresample"
2783 atempo_filter_deps="avcodec"
2784 atempo_filter_select="rdft"
2785 azmq_filter_deps="libzmq"
2786 blackframe_filter_deps="gpl"
2787 boxblur_filter_deps="gpl"
2788 bs2b_filter_deps="libbs2b"
2789 colormatrix_filter_deps="gpl"
2790 cover_rect_filter_deps="avcodec avformat gpl"
2791 cropdetect_filter_deps="gpl"
2792 delogo_filter_deps="gpl"
2793 deshake_filter_select="pixelutils"
2794 drawtext_filter_deps="libfreetype"
2795 dynaudnorm_filter_deps="copysign erf"
2796 ebur128_filter_deps="gpl"
2797 eq_filter_deps="gpl"
2798 fftfilt_filter_deps="avcodec"
2799 fftfilt_filter_select="rdft"
2800 flite_filter_deps="libflite"
2801 find_rect_filter_deps="avcodec avformat gpl"
2802 frei0r_filter_deps="frei0r dlopen"
2803 frei0r_src_filter_deps="frei0r dlopen"
2804 fspp_filter_deps="gpl"
2805 geq_filter_deps="gpl"
2806 histeq_filter_deps="gpl"
2807 hqdn3d_filter_deps="gpl"
2808 interlace_filter_deps="gpl"
2809 kerndeint_filter_deps="gpl"
2810 ladspa_filter_deps="ladspa dlopen"
2811 mcdeint_filter_deps="avcodec gpl"
2812 movie_filter_deps="avcodec avformat"
2813 mpdecimate_filter_deps="gpl"
2814 mpdecimate_filter_select="pixelutils"
2815 mptestsrc_filter_deps="gpl"
2816 negate_filter_deps="lut_filter"
2817 perspective_filter_deps="gpl"
2818 pp7_filter_deps="gpl"
2819 ocr_filter_deps="libtesseract"
2820 ocv_filter_deps="libopencv"
2821 owdenoise_filter_deps="gpl"
2822 pan_filter_deps="swresample"
2823 phase_filter_deps="gpl"
2824 pp_filter_deps="gpl postproc"
2825 pullup_filter_deps="gpl"
2826 removelogo_filter_deps="avcodec avformat swscale"
2827 repeatfields_filter_deps="gpl"
2828 resample_filter_deps="avresample"
2829 rubberband_filter_deps="librubberband"
2830 sab_filter_deps="gpl swscale"
2831 scale_filter_deps="swscale"
2832 scale2ref_filter_deps="swscale"
2833 select_filter_select="pixelutils"
2834 smartblur_filter_deps="gpl swscale"
2835 showcqt_filter_deps="avcodec"
2836 showcqt_filter_select="fft"
2837 showfreqs_filter_deps="avcodec"
2838 showfreqs_filter_select="fft"
2839 showspectrum_filter_deps="avcodec"
2840 showspectrum_filter_select="rdft"
2841 spp_filter_deps="gpl avcodec"
2842 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
2843 stereo3d_filter_deps="gpl"
2844 subtitles_filter_deps="avformat avcodec libass"
2845 super2xsai_filter_deps="gpl"
2846 tinterlace_filter_deps="gpl"
2847 vidstabdetect_filter_deps="libvidstab"
2848 vidstabtransform_filter_deps="libvidstab"
2849 pixfmts_super2xsai_test_deps="super2xsai_filter"
2850 tinterlace_merge_test_deps="tinterlace_filter"
2851 tinterlace_pad_test_deps="tinterlace_filter"
2852 uspp_filter_deps="gpl avcodec"
2853 zmq_filter_deps="libzmq"
2854 zoompan_filter_deps="swscale"
2855 zscale_filter_deps="libzimg"
2858 avio_reading="avformat avcodec avutil"
2859 avio_dir_cmd="avformat avutil"
2860 avcodec_example_deps="avcodec avutil"
2861 decoding_encoding_example_deps="avcodec avformat avutil"
2862 demuxing_decoding_example_deps="avcodec avformat avutil"
2863 extract_mvs_example_deps="avcodec avformat avutil"
2864 filter_audio_example_deps="avfilter avutil"
2865 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2866 filtering_video_example_deps="avfilter avcodec avformat avutil"
2867 metadata_example_deps="avformat avutil"
2868 muxing_example_deps="avcodec avformat avutil swscale"
2869 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2870 remuxing_example_deps="avcodec avformat avutil"
2871 resampling_audio_example_deps="avutil swresample"
2872 scaling_video_example_deps="avutil swscale"
2873 transcode_aac_example_deps="avcodec avformat swresample"
2874 transcoding_example_deps="avfilter avcodec avformat avutil"
2876 # libraries, in linking order
2877 avcodec_deps="avutil"
2878 avdevice_deps="avformat avcodec avutil"
2879 avfilter_deps="avutil"
2880 avformat_deps="avcodec avutil"
2881 avresample_deps="avutil"
2882 postproc_deps="avutil gpl"
2883 swresample_deps="avutil"
2884 swscale_deps="avutil"
2887 ffmpeg_deps="avcodec avfilter avformat swresample"
2888 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2890 setpts_filter trim_filter"
2891 ffplay_deps="avcodec avformat swscale swresample sdl"
2892 ffplay_libs='$sdl_libs'
2893 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
2894 ffprobe_deps="avcodec avformat"
2895 ffserver_deps="avformat fork sarestart"
2896 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2899 podpages_deps="perl"
2900 manpages_deps="perl pod2man"
2901 htmlpages_deps="perl"
2902 htmlpages_deps_any="makeinfo_html texi2html"
2903 txtpages_deps="perl makeinfo"
2904 doc_deps_any="manpages htmlpages podpages txtpages"
2906 # default parameters
2908 logfile="config.log"
2910 # installation paths
2911 prefix_default="/usr/local"
2912 bindir_default='${prefix}/bin'
2913 datadir_default='${prefix}/share/ffmpeg'
2914 docdir_default='${prefix}/share/doc/ffmpeg'
2915 incdir_default='${prefix}/include'
2916 libdir_default='${prefix}/lib'
2917 mandir_default='${prefix}/share/man'
2923 host_cc_default="gcc"
2925 doxygen_default="doxygen"
2930 pkg_config_default=pkg-config
2931 ranlib_default="ranlib"
2932 strip_default="strip"
2933 yasmexe_default="yasm"
2934 windres_default="windres"
2937 target_os_default=$(tolower $(uname -s))
2938 host_os=$target_os_default
2941 if test "$target_os_default" = aix; then
2942 arch_default=$(uname -p)
2943 strip_default="strip -X32_64"
2945 arch_default=$(uname -m)
2950 # configurable options
2951 enable $PROGRAM_LIST
2952 enable $DOCUMENT_LIST
2953 enable $EXAMPLE_LIST
2954 enable $(filter_out avresample $LIBRARY_LIST)
2960 enable faan faandct faanidct
2961 enable optimizations
2962 enable runtime_cpudetect
2963 enable safe_bitstream_reader
2965 enable swscale_alpha
2966 enable valgrind_backtrace
2968 sws_max_filter_size_default=256
2969 set_default sws_max_filter_size
2971 # Enable hwaccels by default.
2972 enable d3d11va dxva2 vaapi vda vdpau videotoolbox xvmc
2976 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2979 FULLNAME='$(NAME)$(BUILDSUF)'
2980 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2983 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2984 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2985 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2986 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2987 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2988 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3010 host_cflags_filter=echo
3011 host_ldflags_filter=echo
3013 target_path='$(CURDIR)'
3015 # since the object filename is not given with the -MM flag, the compiler
3016 # is only able to print the basename, and we must add the path ourselves
3017 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3021 if test -f configure; then
3024 source_path=$(cd $(dirname "$0"); pwd)
3025 case "$source_path" in
3026 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3028 test -e "$source_path/config.h" &&
3029 die "Out of tree builds are impossible with config.h in source dir."
3036 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3042 file=$source_path/$3
3043 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3046 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
3047 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
3048 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
3049 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
3050 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
3051 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
3052 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
3053 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
3054 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
3055 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
3056 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3072 for n in $COMPONENT_LIST; do
3073 v=$(toupper ${n%s})_LIST
3075 eval ${n}_if_any="\$$v"
3078 enable $ARCH_EXT_LIST
3081 echo "Unknown option \"$1\"."
3082 echo "See $0 --help for available options."
3086 print_in_columns() {
3087 cols=$(expr $ncols / 24)
3088 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3094 echo $* | sed s/$suffix//g | print_in_columns
3106 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3107 echo "prob ${prob:-0.5}"
3115 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3116 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3125 --extra-ldexeflags=*)
3126 add_ldexeflags $optval
3128 --extra-ldlibflags=*)
3129 add_ldlibflags $optval
3132 add_extralibs $optval
3135 disable $INDEV_LIST $OUTDEV_LIST
3138 debuglevel="$optval"
3141 disable $PROGRAM_LIST
3143 --disable-everything)
3144 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3147 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3148 disable $LIBRARY_LIST $PROGRAM_LIST doc
3151 --enable-random|--disable-random)
3152 action=${opt%%-random}
3153 do_random ${action#--} $COMPONENT_LIST
3155 --enable-random=*|--disable-random=*)
3156 action=${opt%%-random=*}
3157 do_random ${action#--} $optval
3159 --enable-*=*|--disable-*=*)
3160 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3161 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3162 eval list=\$$(toupper $thing)_LIST
3163 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3164 list=$(filter "$name" $list)
3165 [ "$list" = "" ] && warn "Option $opt did not match anything"
3168 --enable-?*|--disable-?*)
3169 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3170 if is_in $option $COMPONENT_LIST; then
3171 test $action = disable && action=unset
3172 eval $action \$$(toupper ${option%s})_LIST
3173 elif is_in $option $CMDLINE_SELECT; then
3180 NAME="${opt#--list-}"
3181 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3183 eval show_list $NAME \$$(toupper $NAME)_LIST
3185 --help|-h) show_help
3187 --fatal-warnings) enable fatal_warnings
3190 optname="${opt%%=*}"
3191 optname="${optname#--}"
3192 optname=$(echo "$optname" | sed 's/-/_/g')
3193 if is_in $optname $CMDLINE_SET; then
3194 eval $optname='$optval'
3195 elif is_in $optname $CMDLINE_APPEND; then
3196 append $optname "$optval"
3208 disabled logging && logfile=/dev/null
3210 # Disable all the library-specific components if the library itself
3211 # is disabled, see AVCODEC_LIST and following _LIST variables.
3213 disable_components(){
3214 disabled ${1} && disable $(
3215 eval components="\$$(toupper ${1})_COMPONENTS"
3216 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3220 map 'disable_components $v' $LIBRARY_LIST
3222 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3225 test -n "$valgrind" && toolchain="valgrind-memcheck"
3227 case "$toolchain" in
3230 add_cflags -fsanitize=address
3231 add_ldflags -fsanitize=address
3235 add_cflags -fsanitize=thread -pie
3236 add_ldflags -fsanitize=thread -pie
3240 add_cflags -fsanitize=undefined
3241 add_ldflags -fsanitize=undefined
3245 add_cflags -fsanitize=address
3246 add_ldflags -fsanitize=address
3250 add_cflags -fsanitize=thread -pie -fPIC
3251 add_ldflags -fsanitize=thread -pie -fPIC
3255 add_cflags -fsanitize=undefined
3256 add_ldflags -fsanitize=undefined
3259 target_exec_default=${valgrind:-"valgrind"}
3260 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"
3263 target_exec_default=${valgrind:-"valgrind"}
3264 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3267 # Check whether the current MSVC version needs the C99 converter.
3268 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3269 # support enough of C99 to build ffmpeg. Default to the new
3270 # behaviour if the regexp was unable to match anything, since this
3271 # successfully parses the version number of existing supported
3272 # versions that require the converter (MSVC 2010 and 2012).
3273 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3274 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3277 cc_default="c99wrap cl"
3279 ld_default="$source_path/compat/windows/mslink"
3280 nm_default="dumpbin -symbols"
3287 target_os_default="win32"
3288 # Use a relative path for TMPDIR. This makes sure all the
3289 # ffconf temp files are written with a relative path, avoiding
3290 # issues with msys/win32 path conversion for MSVC parameters
3291 # such as -Fo<file> or -out:<file>.
3297 nm_default="dumpbin -symbols"
3299 target_os_default="win32"
3303 add_cflags -fprofile-arcs -ftest-coverage
3304 add_ldflags -fprofile-arcs -ftest-coverage
3307 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3308 add_cflags -fno-strict-overflow -fstack-protector-all
3309 add_ldflags -Wl,-z,relro -Wl,-z,now
3312 die "Unknown toolchain $toolchain"
3316 test -n "$cross_prefix" && enable cross_compile
3318 if enabled cross_compile; then
3319 test -n "$arch" && test -n "$target_os" ||
3320 die "Must specify target arch and OS when cross-compiling"
3323 ar_default="${cross_prefix}${ar_default}"
3324 cc_default="${cross_prefix}${cc_default}"
3325 cxx_default="${cross_prefix}${cxx_default}"
3326 nm_default="${cross_prefix}${nm_default}"
3327 pkg_config_default="${cross_prefix}${pkg_config_default}"
3328 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3329 ranlib_default="${cross_prefix}${ranlib_default} -D"
3331 ranlib_default="${cross_prefix}${ranlib_default}"
3333 strip_default="${cross_prefix}${strip_default}"
3334 windres_default="${cross_prefix}${windres_default}"
3336 sysinclude_default="${sysroot}/usr/include"
3338 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3339 target_exec target_os yasmexe
3340 enabled cross_compile || host_cc_default=$cc
3343 pkg_config_fail_message=""
3344 if ! $pkg_config --version >/dev/null 2>&1; then
3345 warn "$pkg_config not found, library detection may fail."
3347 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3348 pkg_config_fail_message="
3349 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3352 if test $doxygen != $doxygen_default && \
3353 ! $doxygen --version >/dev/null 2>&1; then
3354 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3359 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3363 EXESUF=$(exesuf $target_os)
3364 HOSTEXESUF=$(exesuf $host_os)
3366 # set temporary file name
3367 : ${TMPDIR:=$TEMPDIR}
3371 if [ -n "$tempprefix" ] ; then
3373 echo $tempprefix.${HOSTNAME}.${UID}
3375 elif ! check_cmd mktemp -u XXXXXX; then
3376 # simple replacement for missing mktemp
3377 # NOT SAFE FOR GENERAL USE
3379 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3384 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3385 (set -C; exec > $tmp) 2>/dev/null ||
3386 die "Unable to create temporary file in $TMPDIR."
3387 append TMPFILES $tmp
3391 trap 'rm -f -- $TMPFILES' EXIT
3396 tmpfile TMPE $EXESUF
3408 # make sure we can execute files in $TMPDIR
3409 cat > $TMPSH 2>> $logfile <<EOF
3412 chmod +x $TMPSH >> $logfile 2>&1
3413 if ! $TMPSH >> $logfile 2>&1; then
3415 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3416 variable to another directory and make sure that it is not mounted noexec.
3418 die "Sanity test failed."
3424 # Filter out MSVC cl.exe options from cflags that shouldn't
3425 # be passed to gas-preprocessor
3435 -std=c99) echo -c99 ;;
3436 -mcpu=*) echo -arch ${flag#*=} ;;
3437 -mieee) echo -ieee ;;
3438 -O*|-fast) echo $flag ;;
3439 -fno-math-errno) echo -assume nomath_errno ;;
3441 -Wall) echo -msg_enable level2 ;;
3442 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3443 -Wl,*) echo $flag ;;
3453 -Wno-switch) echo -Wno-switch-enum ;;
3454 -Wno-format-zero-length) ;;
3455 -Wdisabled-optimization) ;;
3456 -Wno-pointer-sign) echo -Wno-other ;;
3462 msvc_common_flags(){
3465 # In addition to specifying certain flags under the compiler
3466 # specific filters, they must be specified here as well or else the
3467 # generic catch all at the bottom will print the original flag.
3471 -fomit-frame-pointer) ;;
3475 -fno-signed-zeros) ;;
3479 -lz) echo zlib.lib ;;
3480 -lavifil32) echo vfw32.lib ;;
3481 -lavicap32) echo vfw32.lib user32.lib ;;
3482 -l*) echo ${flag#-l}.lib ;;
3483 -LARGEADDRESSAWARE) echo $flag ;;
3484 -L*) echo -libpath:${flag#-L} ;;
3491 msvc_common_flags "$@"
3494 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3495 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3496 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3498 -wd4273 -wd4554 -wd4701 ;;
3504 msvc_common_flags "$@"
3507 # Despite what Intel's documentation says -Wall, which is supported
3508 # on Windows, does enable remarks so disable them here.
3509 -Wall) echo $flag -Qdiag-disable:remark ;;
3510 -std=c99) echo -Qstd=c99 ;;
3528 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3529 -fomit-frame-pointer) echo -Mnoframe ;;
3540 case "${flag#*=}" in
3541 native) echo -xtarget=native ;;
3542 v9|niagara) echo -xarch=sparc ;;
3543 ultrasparc) echo -xarch=sparcvis ;;
3544 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3545 i586|pentium) echo -xchip=pentium ;;
3546 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3547 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3548 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3549 pentium4*) echo -xtarget=pentium4 ;;
3550 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3551 *-sse3) echo -xarch=sse3 ;;
3552 core2) echo -xarch=ssse3 -xchip=core2 ;;
3553 bonnell) echo -xarch=ssse3 ;;
3554 corei7|nehalem) echo -xtarget=nehalem ;;
3555 westmere) echo -xtarget=westmere ;;
3556 silvermont) echo -xarch=sse4_2 ;;
3557 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3558 core-avx*|ivybridge|haswell|broadwell)
3560 amdfam10|barcelona) echo -xtarget=barcelona ;;
3561 btver1) echo -xarch=amdsse4a ;;
3562 btver2|bdver*) echo -xarch=avx ;;
3563 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3564 k8|opteron|athlon64|athlon-fx)
3565 echo -xarch=sse2a ;;
3566 athlon*) echo -xarch=pentium_proa ;;
3569 -std=c99) echo -xc99 ;;
3570 -fomit-frame-pointer) echo -xregs=frameptr ;;
3571 -fPIC) echo -KPIC -xcode=pic32 ;;
3572 -W*,*) echo $flag ;;
3573 -f*-*|-W*|-mimpure-text) ;;
3584 case "${flag#*=}" in
3585 armv7-a|cortex-a*) echo -mv=7a8 ;;
3586 armv7-r|cortex-r*) echo -mv=7r4 ;;
3587 armv7-m|cortex-m*) echo -mv=7m3 ;;
3588 armv6*|arm11*) echo -mv=6 ;;
3589 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3591 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3594 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3595 -mfpu=vfp) echo --float_support=vfpv2 ;;
3596 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3597 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3598 -msoft-float) echo --float_support=vfplib ;;
3599 -O[0-3]|-mf=*) echo $flag ;;
3601 -pds=*) echo $flag ;;
3602 -D*|-I*) echo $flag ;;
3603 --gcc|--abi=*) echo $flag ;;
3614 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3615 unset _ld_o _ldflags _ld_lib _ld_path
3616 unset _depflags _DEPCMD _DEPFLAGS
3619 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3620 true # no-op to avoid reading stdin in following checks
3621 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3623 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3624 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3625 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3628 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3630 gcc_version=$($_cc --version | head -n1)
3631 gcc_basever=$($_cc -dumpversion)
3632 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3633 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3634 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3635 case $gcc_basever in
3637 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
3639 if [ "$first" = true ]; then
3640 case $gcc_basever in
3642 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
3647 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3649 _ident=$($_cc --version | head -n1)
3654 _flags_filter=icc_flags
3655 elif $_cc -v 2>&1 | grep -q xlc; then
3657 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3659 _cflags_size='-O5 -qcompact'
3660 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3662 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3664 _cflags_speed='-fast'
3666 _flags_filter=ccc_flags
3667 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3668 test -d "$sysroot" || die "No valid sysroot specified."
3670 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3671 armcc_conf="$PWD/armcc.conf"
3672 $_cc --arm_linux_configure \
3673 --arm_linux_config_file="$armcc_conf" \
3674 --configure_sysroot="$sysroot" \
3675 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3676 die "Error creating armcc configuration file."
3677 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3678 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3679 as_default="${cross_prefix}gcc"
3683 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3685 _ident=$($_cc -version | head -n1 | tr -s ' ')
3686 _flags='--gcc --abi=eabi -me'
3689 _depflags='-ppa -ppd=$(@:.o=.d)'
3690 _cflags_speed='-O3 -mf=5'
3691 _cflags_size='-O3 -mf=2'
3692 _flags_filter=tms470_flags
3693 elif $_cc -v 2>&1 | grep -q clang; then
3695 _ident=$($_cc --version 2>/dev/null | head -n1)
3696 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3699 elif $_cc -V 2>&1 | grep -q Sun; then
3701 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3702 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3703 _DEPFLAGS='-xM1 -xc99'
3706 _cflags_size='-O5 -xspace'
3707 _flags_filter=suncc_flags
3708 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3710 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3711 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3714 _flags_filter='filter_out -Wdisabled-optimization'
3715 elif $_cc -v 2>&1 | grep -q Open64; then
3717 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3718 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3721 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3722 elif $_cc -V 2>&1 | grep -q Portland; then
3724 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3725 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3726 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3727 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3729 _flags_filter=pgi_flags
3730 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3732 _ident=$($_cc | head -n1)
3733 # 4509: "This form of conditional instruction is deprecated"
3734 _flags="-nologo -ignore 4509"
3735 _flags_filter=armasm_flags
3736 elif $_cc 2>&1 | grep -q Intel; then
3738 _ident=$($_cc 2>&1 | head -n1)
3739 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3740 # Not only is O3 broken on 13.x+ but it is slower on all previous
3741 # versions (tested) as well.
3743 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3744 if $_cc 2>&1 | grep -q Linker; then
3751 _flags_filter=icl_flags
3753 _ld_path='-libpath:'
3754 # -Qdiag-error to make icl error when seeing certain unknown arguments
3755 _flags='-nologo -Qdiag-error:4044,10157'
3756 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3757 # with MSVC which enables it by default.
3758 _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3760 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3762 _ident=$($_cc 2>&1 | head -n1)
3763 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3764 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3767 if $_cc -nologo- 2>&1 | grep -q Linker; then
3774 _flags_filter=msvc_flags
3776 _ld_path='-libpath:'
3778 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS'
3780 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3782 _ident=$($_cc --version | head -n1)
3786 _flags_filter=cparser_flags
3789 eval ${pfx}_type=\$_type
3790 eval ${pfx}_ident=\$_ident
3794 eval ${1}_C=\${_cc_c-\${${1}_C}}
3795 eval ${1}_E=\${_cc_e-\${${1}_E}}
3796 eval ${1}_O=\${_cc_o-\${${1}_O}}
3798 if [ -n "$_depflags" ]; then
3799 eval ${1}_DEPFLAGS=\$_depflags
3801 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3802 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3803 eval DEP${1}FLAGS=\$_flags
3807 probe_cc cc "$cc" "true"
3808 cflags_filter=$_flags_filter
3809 cflags_speed=$_cflags_speed
3810 cflags_size=$_cflags_size
3811 cflags_noopt=$_cflags_noopt
3812 add_cflags $_flags $_cflags
3813 cc_ldflags=$_ldflags
3816 probe_cc hostcc "$host_cc"
3817 host_cflags_filter=$_flags_filter
3818 add_host_cflags $_flags $_cflags
3821 test -n "$cc_type" && enable $cc_type ||
3822 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3824 : ${as_default:=$cc}
3825 : ${dep_cc_default:=$cc}
3826 : ${ld_default:=$cc}
3827 : ${host_ld_default:=$host_cc}
3828 set_default ar as dep_cc ld host_ld windres
3831 asflags_filter=$_flags_filter
3832 add_asflags $_flags $_cflags
3836 ldflags_filter=$_flags_filter
3837 add_ldflags $_flags $_ldflags
3838 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3840 LD_LIB=${_ld_lib-$LD_LIB}
3841 LD_PATH=${_ld_path-$LD_PATH}
3843 probe_cc hostld "$host_ld"
3844 host_ldflags_filter=$_flags_filter
3845 add_host_ldflags $_flags $_ldflags
3846 HOSTLD_O=${_ld_o-$HOSTLD_O}
3848 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3849 probe_cc depcc "$dep_cc"
3850 CCDEP=${_DEPCMD:-$DEPCMD}
3851 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3855 if $ar 2>&1 | grep -q Microsoft; then
3858 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3861 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3862 arflags='-Xany -r -c'
3864 elif $ar 2>&1 | grep -q "\[D\] "; then
3872 add_cflags $extra_cflags
3873 add_cxxflags $extra_cxxflags
3874 add_asflags $extra_cflags
3876 if test -n "$sysroot"; then
3879 add_cppflags --sysroot="$sysroot"
3880 add_ldflags --sysroot="$sysroot"
3881 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
3882 add_cppflags -isysroot "$sysroot"
3883 add_ldflags -isysroot "$sysroot"
3886 add_cppflags -I"$sysinclude"
3887 add_ldflags --sysroot="$sysroot"
3892 if test "$cpu" = host; then
3893 enabled cross_compile &&
3894 die "--cpu=host makes no sense when cross-compiling."
3899 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3901 s/.*$1=\\([^ ]*\\).*/\\1/
3906 cpu=$(check_native -march || check_native -mcpu)
3910 test "${cpu:-host}" = host &&
3911 die "--cpu=host not supported with compiler $cc"
3914 # Deal with common $arch aliases
3928 "Power Macintosh"|ppc*|powerpc*)
3943 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3948 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3951 # Add processor-specific flags
3952 if enabled aarch64; then
3956 cpuflags="-march=$cpu"
3959 cpuflags="-mcpu=$cpu"
3963 elif enabled alpha; then
3965 cpuflags="-mcpu=$cpu"
3967 elif enabled arm; then
3970 check_cpp_condition stddef.h \
3971 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3976 if check_arm_arch 4; then echo armv4;
3977 elif check_arm_arch 4T; then echo armv4t;
3978 elif check_arm_arch 5; then echo armv5;
3979 elif check_arm_arch 5E; then echo armv5e;
3980 elif check_arm_arch 5T; then echo armv5t;
3981 elif check_arm_arch 5TE; then echo armv5te;
3982 elif check_arm_arch 5TEJ; then echo armv5te;
3983 elif check_arm_arch 6; then echo armv6;
3984 elif check_arm_arch 6J; then echo armv6j;
3985 elif check_arm_arch 6K; then echo armv6k;
3986 elif check_arm_arch 6Z; then echo armv6z;
3987 elif check_arm_arch 6ZK; then echo armv6zk;
3988 elif check_arm_arch 6T2; then echo armv6t2;
3989 elif check_arm_arch 7; then echo armv7;
3990 elif check_arm_arch 7A 7_A; then echo armv7-a;
3991 elif check_arm_arch 7S; then echo armv7-a;
3992 elif check_arm_arch 7R 7_R; then echo armv7-r;
3993 elif check_arm_arch 7M 7_M; then echo armv7-m;
3994 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3995 elif check_arm_arch 8A 8_A; then echo armv8-a;
3999 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4003 cpuflags="-march=$cpu"
4004 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4007 cpuflags="-mcpu=$cpu"
4009 cortex-a*) subarch=armv7a ;;
4010 cortex-r*) subarch=armv7r ;;
4011 cortex-m*) enable thumb; subarch=armv7m ;;
4012 arm11*) subarch=armv6 ;;
4013 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4014 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4015 *) subarch=$(probe_arm_arch) ;;
4021 armv5t*) enable fast_clz ;;
4024 disabled fast_unaligned || enable fast_unaligned
4028 elif enabled avr32; then
4033 cpuflags="-mpart=$cpu"
4037 cpuflags="-march=$cpu"
4041 cpuflags="-mcpu=$cpu"
4045 cpuflags="-march=$cpu"
4049 elif enabled bfin; then
4051 cpuflags="-mcpu=$cpu"
4053 elif enabled mips; then
4055 cpuflags="-march=$cpu"
4080 24kef*|34kf*|1004kf*)
4102 check_cflags "-mtune=p5600"
4110 check_cflags "-mtune=i6400 -mabi=64"
4111 check_ldflags "-mabi=64"
4121 enable local_aligned_8 local_aligned_16 local_aligned_32
4122 enable simd_align_16
4126 enable fast_unaligned
4127 disable aligned_stack
4130 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4133 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4136 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4156 elif enabled ppc; then
4160 case $(tolower $cpu) in
4161 601|ppc601|powerpc601)
4162 cpuflags="-mcpu=601"
4165 603*|ppc603*|powerpc603*)
4166 cpuflags="-mcpu=603"
4169 604*|ppc604*|powerpc604*)
4170 cpuflags="-mcpu=604"
4173 g3|75*|ppc75*|powerpc75*)
4174 cpuflags="-mcpu=750"
4177 g4|745*|ppc745*|powerpc745*)
4178 cpuflags="-mcpu=7450"
4181 74*|ppc74*|powerpc74*)
4182 cpuflags="-mcpu=7400"
4185 g5|970|ppc970|powerpc970)
4186 cpuflags="-mcpu=970"
4190 cpuflags="-mcpu=$cpu"
4194 cpuflags="-mcpu=$cpu"
4197 cpuflags="-mcpu=cell"
4202 cpuflags="-mcpu=e500mc"
4206 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4211 cpuflags="-mcpu=8540 -mhard-float"
4217 elif enabled sparc; then
4220 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4221 cpuflags="-mcpu=$cpu"
4223 ultrasparc*|niagara[234])
4224 cpuflags="-mcpu=$cpu"
4228 elif enabled x86; then
4232 cpuflags="-march=$cpu"
4236 # targets that do NOT support nopl and conditional mov (cmov)
4237 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4238 cpuflags="-march=$cpu"
4241 # targets that do support nopl and conditional mov (cmov)
4242 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4243 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)
4244 cpuflags="-march=$cpu"
4248 # targets that do support conditional mov but on which it's slow
4249 pentium4|pentium4m|prescott|nocona)
4250 cpuflags="-march=$cpu"
4258 if [ "$cpu" != generic ]; then
4259 add_cflags $cpuflags
4260 add_asflags $cpuflags
4261 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4264 # compiler sanity check
4266 int main(void){ return 0; }
4268 if test "$?" != 0; then
4269 echo "$cc is unable to create an executable file."
4270 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4271 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4272 echo "Only do this if you know what cross compiling means."
4274 die "C compiler test failed."
4277 add_cppflags -D_ISOC99_SOURCE
4278 add_cxxflags -D__STDC_CONSTANT_MACROS
4279 check_cflags -std=c99
4280 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
4283 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
4287 add_host_cppflags -D_ISOC99_SOURCE
4288 check_host_cflags -std=c99
4289 check_host_cflags -Wall
4290 check_host_cflags -O3
4296 check_code cc "" "int test[2*($expr) - 1]" &&
4297 subarch=$arch64 || subarch=$arch32
4305 check_64bit mips mips64 '_MIPS_SIM > 1'
4309 check_64bit parisc parisc64 'sizeof(void *) > 4'
4313 check_64bit ppc ppc64 'sizeof(void *) > 4'
4317 check_64bit s390 s390x 'sizeof(void *) > 4'
4321 check_64bit sparc sparc64 'sizeof(void *) > 4'
4325 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4326 # Treat x32 as x64 for now. Note it also needs spic=$shared
4327 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4329 if test "$subarch" = "x86_64"; then
4334 check_cc <<EOF && subarch="ppc64"
4335 int test[(int)sizeof(char*) - 7];
4341 enabled spic && enable_weak pic
4347 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4348 enabled shared && add_ldflags -Wl,-brtl
4352 enable section_data_rel_ro
4353 SLIB_INSTALL_NAME='$(SLIBNAME)'
4355 # soname not set on purpose
4359 prefix_default="/boot/common"
4360 network_extralibs="-lnetwork"
4364 SHFLAGS='-shared -Wl,-h,$$(@F)'
4365 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
4366 network_extralibs="-lsocket -lnsl"
4367 add_cppflags -D__EXTENSIONS__
4368 # When using suncc to build, the Solaris linker will mark
4369 # an executable with each instruction set encountered by
4370 # the Solaris assembler. As our libraries contain their own
4371 # guards for processor-specific code, instead suppress
4372 # generation of the HWCAPS ELF section on Solaris x86 only.
4373 enabled_all suncc x86 &&
4374 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4375 add_ldflags -Wl,-M,mapfile
4376 nm_default='nm -P -g'
4377 SLIB_CREATE_DEF_CMD='$(Q)perl $(SRC_PATH)/compat/solaris/make_sunver.pl $$(filter %.ver,$$^) $(OBJS) | grep -v @ > $(SUBDIR)lib$(NAME).ver-sol2'
4381 oss_indev_extralibs="-lossaudio"
4382 oss_outdev_extralibs="-lossaudio"
4383 enabled gcc || check_ldflags -Wl,-zmuldefs
4388 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4390 oss_indev_extralibs="-lossaudio"
4391 oss_outdev_extralibs="-lossaudio"
4399 add_extralibs -lpoll -lgnugetopt
4403 enabled ppc && add_asflags -force_cpusubtype_ALL
4404 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4405 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4407 add_ldflags -Wl,-dynamic,-search_paths_first
4409 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4410 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4412 enabled x86_64 && objformat="macho64"
4413 enabled_any pic shared x86_64 ||
4414 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4417 if test $target_os = "mingw32ce"; then
4422 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
4423 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
4425 if enabled x86_64; then
4426 LIBTARGET="i386:x86-64"
4427 elif enabled arm; then
4430 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4431 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4432 shlibdir_default="$bindir_default"
4435 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4436 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4437 dlltool="${cross_prefix}dlltool"
4438 if check_cmd lib.exe -list; then
4439 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4440 if enabled x86_64; then
4443 elif check_cmd $dlltool --version; then
4444 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4446 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4448 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4449 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4450 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--disable-auto-image-base'
4454 check_ldflags -Wl,--nxcompat,--dynamicbase
4455 # Lets work around some stupidity in binutils.
4456 # ld will strip relocations from executables even though we need them
4457 # for dynamicbase (ASLR). Using -pie does retain the reloc section
4458 # however ld then forgets what the entry point should be (oops) so we
4459 # have to manually (re)set it.
4460 if enabled x86_32; then
4461 add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
4462 elif enabled x86_64; then
4463 add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
4464 check_ldflags -Wl,--high-entropy-va # binutils 2.25
4465 # Set image base >4GB for extra entropy with HEASLR
4466 add_ldexeflags -Wl,--image-base,0x140000000
4467 append SHFLAGS -Wl,--image-base,0x180000000
4472 if enabled shared; then
4473 # Link to the import library instead of the normal static library
4476 # Cannot build both shared and static libs with MSVC or icl.
4479 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
4480 shlibdir_default="$bindir_default"
4483 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4484 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4485 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4486 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4488 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4489 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4490 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4497 shlibdir_default="$bindir_default"
4500 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4501 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4502 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4504 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4505 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4508 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4510 *-dos|freedos|opendos)
4511 network_extralibs="-lsocket"
4514 add_cppflags -U__STRICT_ANSI__
4518 enable section_data_rel_ro
4522 ranlib="echo ignoring ranlib"
4528 add_cppflags -D_GNU_SOURCE
4529 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4530 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4534 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4535 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4536 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4537 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4538 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4539 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4540 emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'
4541 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4542 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4543 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4545 enable_weak os2threads
4548 add_cppflags -D_BSD_SOURCE
4553 add_cppflags -D_QNX_SOURCE
4554 network_extralibs="-lsocket"
4559 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4560 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4561 add_ldflags -Wl,--target1-abs,--no-undefined \
4562 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4563 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4564 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4565 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4566 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4569 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4574 add_cppflags -D_C99_SNPRINTF_EXTENSION \
4575 -D_REENTRANT_SOURCE \
4576 -D_RESEARCH_SOURCE \
4579 add_compat strtod.o strtod=avpriv_strtod
4580 network_extralibs='-lbsd'
4581 exeobjs=compat/plan9/main.o
4588 die "Unknown OS '$target_os'."
4592 # determine libc flavour
4597 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4598 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4599 eval ${pfx}libc_type=uclibc
4600 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4601 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4602 eval ${pfx}libc_type=glibc
4603 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4604 # MinGW headers can be installed on Cygwin, so check for newlib first.
4605 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4606 eval ${pfx}libc_type=newlib
4607 add_${pfx}cppflags -U__STRICT_ANSI__
4608 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4609 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4610 eval ${pfx}libc_type=mingw64
4611 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
4612 add_compat msvcrt/snprintf.o
4613 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
4615 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4616 eval test \$${pfx_no_}cc_type = "gcc" &&
4617 add_${pfx}cppflags -D__printf__=__gnu_printf__
4618 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4619 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4620 eval ${pfx}libc_type=mingw32
4621 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4622 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4623 die "ERROR: MinGW32 runtime version must be >= 3.15."
4624 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4625 eval test \$${pfx_no_}cc_type = "gcc" &&
4626 add_${pfx}cppflags -D__printf__=__gnu_printf__
4627 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4628 eval ${pfx}libc_type=msvcrt
4629 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
4630 if [ "$pfx" = host_ ]; then
4631 add_host_cppflags -Dsnprintf=_snprintf
4633 add_compat strtod.o strtod=avpriv_strtod
4634 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4635 _snprintf=avpriv_snprintf \
4636 vsnprintf=avpriv_vsnprintf
4639 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4640 # 0x601 by default unless something else is set by the user.
4641 # This can easily lead to us detecting functions only present
4642 # in such new versions and producing binaries requiring windows 7.0.
4643 # Therefore explicitly set the default to XP unless the user has
4644 # set something else on the command line.
4645 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
4646 # family. For these cases, configure is free to use any functions
4647 # found in the SDK headers by default. (Alternatively, we could force
4648 # _WIN32_WINNT to 0x0602 in that case.)
4649 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4650 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }
4651 #ifdef WINAPI_FAMILY
4652 #include <winapifamily.h>
4653 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
4658 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4659 eval ${pfx}libc_type=klibc
4660 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4661 eval ${pfx}libc_type=bionic
4662 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4663 eval ${pfx}libc_type=solaris
4664 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4666 check_${pfx}cc <<EOF
4668 void *v = localtime_r;
4670 test "$?" != 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
4672 void *v = localtime_r;
4678 test -n "$libc_type" && enable libc_$libc_type
4680 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4684 add_compat strtod.o strtod=avpriv_strtod
4688 # hacks for compiler/libc/os combinations
4690 if enabled_all tms470 libc_glibc; then
4691 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4692 add_cppflags -D__USER_LABEL_PREFIX__=
4693 add_cppflags -D__builtin_memset=memset
4694 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4695 add_cflags -pds=48 # incompatible redefinition of macro
4698 if enabled_all ccc libc_glibc; then
4699 add_ldflags -Wl,-z,now # calls to libots crash without this
4702 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4703 add_cppflags '-I\$(SRC_PATH)/compat/float'
4706 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4709 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
4711 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4714 : ${shlibdir_default:="$libdir"}
4715 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
4717 set_default $PATHS_LIST
4720 # we need to build at least one lib type
4721 if ! enabled_any static shared; then
4723 At least one library type must be built.
4724 Specify --enable-static to build the static libraries or --enable-shared to
4725 build the shared libraries as well. To only build the shared libraries specify
4726 --disable-static in addition to --enable-shared.
4731 die_license_disabled() {
4732 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
4735 die_license_disabled_gpl() {
4736 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
4739 die_license_disabled gpl frei0r
4740 die_license_disabled gpl libcdio
4741 die_license_disabled gpl librubberband
4742 die_license_disabled gpl libsmbclient
4743 die_license_disabled gpl libutvideo
4744 die_license_disabled gpl libvidstab
4745 die_license_disabled gpl libx264
4746 die_license_disabled gpl libx265
4747 die_license_disabled gpl libxavs
4748 die_license_disabled gpl libxvid
4749 die_license_disabled gpl libzvbi
4750 die_license_disabled gpl x11grab
4752 die_license_disabled nonfree libaacplus
4753 die_license_disabled nonfree libfaac
4754 die_license_disabled nonfree nvenc
4755 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
4756 enabled gpl && die_license_disabled_gpl nonfree openssl
4758 die_license_disabled version3 libopencore_amrnb
4759 die_license_disabled version3 libopencore_amrwb
4760 die_license_disabled version3 libsmbclient
4761 die_license_disabled version3 libvo_aacenc
4762 die_license_disabled version3 libvo_amrwbenc
4764 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4766 disabled optimizations || check_cflags -fomit-frame-pointer
4769 disabled pic && return
4772 case "$target_os" in
4782 enabled pic && enable_weak_pic
4784 check_cc <<EOF || die "Symbol mangling check failed."
4787 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4788 extern_prefix=${sym%%ff_extern*}
4790 check_cc <<EOF && enable_weak inline_asm
4791 void foo(void) { __asm__ volatile ("" ::); }
4795 for restrict_keyword in restrict __restrict__ __restrict; do
4796 check_cc <<EOF && _restrict=$restrict_keyword && break
4797 void foo(char * $restrict_keyword p);
4801 check_cc <<EOF && enable pragma_deprecated
4802 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4805 check_cc <<EOF && enable attribute_packed
4806 struct { int x; } __attribute__((packed)) x;
4809 check_cc <<EOF && enable attribute_may_alias
4810 union { int x; } __attribute__((may_alias)) x;
4813 check_cc <<EOF || die "endian test failed"
4814 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4816 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4818 if ! enabled ppc64 || enabled bigendian; then
4823 log "check_gas using '$as' as AS"
4824 # :vararg is used on aarch64, arm and ppc altivec
4825 check_as <<EOF || return 1
4826 .macro m n, y:vararg=0
4831 # .altmacro is only used in arm asm
4832 ! enabled arm || check_as <<EOF || return 1
4839 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
4841 enabled_any arm aarch64 && nogas=die
4842 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
4846 arm*) gaspp_as_type=armasm; as_noop=-h ;;
4847 gcc) gaspp_as_type=gas ;;
4848 *) gaspp_as_type=$as_type ;;
4851 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
4853 test "${as#*gas-preprocessor.pl}" != "$as" ||
4854 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
4855 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
4857 if ! check_gas ; then
4860 $nogas "GNU assembler not found, install/update gas-preprocessor"
4863 check_as <<EOF && enable as_func
4869 check_inline_asm inline_asm_labels '"1:\n"'
4871 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
4873 if enabled aarch64; then
4874 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
4875 # internal assembler in clang 3.3 does not support this instruction
4876 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
4877 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
4879 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4881 elif enabled alpha; then
4885 elif enabled arm; then
4887 enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb
4889 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
4890 float func(float a, float b){ return a+b; }
4893 enabled thumb && check_cflags -mthumb || check_cflags -marm
4895 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4897 elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
4899 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
4900 case "${cross_prefix:-$cc}" in
4901 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4902 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4903 __asm__ (".eabi_attribute 28, 1");
4904 int main(void) { return 0; }
4907 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4910 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4911 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4912 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4913 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4914 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4915 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4916 enabled setend && check_insn setend 'setend be'
4918 [ $target_os = linux ] || [ $target_os = android ] ||
4919 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4922 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4924 check_as <<EOF && enable as_dn_directive
4929 # llvm's integrated assembler supports .object_arch from llvm 3.5
4930 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
4934 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4936 elif enabled mips; then
4938 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
4939 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
4940 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
4942 # Enable minimum ISA based on selected options
4943 if enabled mips64 && (enabled mipsdspr1 || enabled mipsdspr2); then
4944 add_cflags "-mips64r2"
4945 add_asflags "-mips64r2"
4946 elif enabled mips64 && enabled mipsfpu && disabled loongson2 && disabled loongson3; then
4947 add_cflags "-mips64"
4948 add_asflags "-mips64"
4949 elif enabled mipsdspr1 || enabled mipsdspr2; then
4950 add_cflags "-mips32r2 -mfp32"
4951 add_asflags "-mips32r2 -mfp32"
4952 elif enabled mips32r5 || enabled mips64r6; then
4953 check_cflags "-mfp64"
4954 check_ldflags "-mfp64"
4957 enabled mips32r5 && check_cflags "-mips32r5 -msched-weight -mload-store-pairs -funroll-loops" &&
4958 check_ldflags "-mips32r5" &&
4959 check_inline_asm mips32r5 '"ulw $t0, ($t1)"'
4960 enabled mips64r6 && check_cflags "-mips64r6 -msched-weight -mload-store-pairs -funroll-loops" &&
4961 check_ldflags "-mips64r6" &&
4962 check_inline_asm mips64r6 '"aui $t0, $t1, 1"'
4963 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
4964 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
4965 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
4966 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
4967 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
4968 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
4969 enabled msa && check_cflags "-mmsa" && check_ldflags "-mmsa" &&
4970 check_inline_asm msa '"addvi.b $w0, $w1, 1"'
4972 enabled mips32r5 && add_asflags "-mips32r5 -mfp64"
4973 enabled mips64r6 && add_asflags "-mips64r6 -mfp64"
4974 enabled msa && add_asflags "-mmsa"
4976 elif enabled parisc; then
4978 if enabled gcc; then
4979 case $($cc -dumpversion) in
4980 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
4984 elif enabled ppc; then
4986 enable local_aligned_8 local_aligned_16 local_aligned_32
4988 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4989 check_inline_asm ibm_asm '"add 0, 0, 0"'
4990 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4991 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4993 # AltiVec flags: The FSF version of GCC differs from the Apple version
4994 if enabled altivec; then
4995 check_cflags -maltivec -mabi=altivec &&
4996 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4997 check_cflags -faltivec
4999 # check if our compiler supports Motorola AltiVec C API
5000 check_cc <<EOF || disable altivec
5003 vector signed int v1 = (vector signed int) { 0 };
5004 vector signed int v2 = (vector signed int) { 1 };
5005 v1 = vec_add(v1, v2);
5010 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
5013 if enabled vsx; then
5014 check_cflags -mvsx &&
5015 check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx
5018 if enabled power8; then
5019 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
5022 elif enabled x86; then
5024 check_builtin rdtsc intrin.h "__rdtsc()"
5025 check_builtin mm_empty mmintrin.h "_mm_empty()"
5027 enable local_aligned_8 local_aligned_16 local_aligned_32
5029 # check whether EBP is available on x86
5030 # As 'i' is stored on the stack, this program will crash
5031 # if the base pointer is used to access it because the
5032 # base pointer is cleared in the inline assembly code.
5033 check_exec_crash <<EOF && enable ebp_available
5035 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
5039 # check whether EBX is available on x86
5040 check_inline_asm ebx_available '""::"b"(0)' &&
5041 check_inline_asm ebx_available '"":::"%ebx"'
5043 # check whether xmm clobbers are supported
5044 check_inline_asm xmm_clobbers '"":::"%xmm0"'
5046 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
5047 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
5049 # check whether binutils is new enough to compile SSSE3/MMXEXT
5050 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
5051 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
5053 if ! disabled_any asm mmx yasm; then
5054 if check_cmd $yasmexe --version; then
5055 enabled x86_64 && yasm_extra="-m amd64"
5056 yasm_debug="-g dwarf2"
5057 elif check_cmd nasm -v; then
5059 yasm_debug="-g -F dwarf"
5060 if enabled x86_64; then
5061 case "$objformat" in
5062 elf) objformat=elf64 ;;
5063 win32) objformat=win64 ;;
5068 YASMFLAGS="-f $objformat $yasm_extra"
5069 enabled pic && append YASMFLAGS "-DPIC"
5070 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
5071 case "$objformat" in
5072 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
5075 check_yasm "movbe ecx, [5]" && enable yasm ||
5076 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
5077 check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
5078 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
5079 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
5080 check_yasm "CPU amdnop" || disable cpunop
5084 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
5091 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
5093 check_ldflags -Wl,--as-needed
5094 check_ldflags -Wl,-z,noexecstack
5096 if check_func dlopen; then
5098 elif check_func dlopen -ldl; then
5102 frei0r_filter_extralibs='$ldl'
5103 frei0r_src_filter_extralibs='$ldl'
5104 ladspa_filter_extralibs='$ldl'
5105 nvenc_encoder_extralibs='$ldl'
5107 if ! disabled network; then
5108 check_func getaddrinfo $network_extralibs
5109 check_func getservbyport $network_extralibs
5110 check_func inet_aton $network_extralibs
5112 check_type netdb.h "struct addrinfo"
5113 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
5114 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
5115 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
5116 check_type poll.h "struct pollfd"
5117 check_type netinet/sctp.h "struct sctp_event_subscribe"
5118 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
5119 check_type netinet/in.h "struct sockaddr_in6"
5120 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
5121 check_type "sys/types.h sys/socket.h" socklen_t
5123 # Prefer arpa/inet.h over winsock2
5124 if check_header arpa/inet.h ; then
5125 check_func closesocket
5126 elif check_header winsock2.h ; then
5127 check_func_headers winsock2.h closesocket -lws2 &&
5128 network_extralibs="-lws2" ||
5129 { check_func_headers winsock2.h closesocket -lws2_32 &&
5130 network_extralibs="-lws2_32"; } || disable winsock2_h network
5131 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
5133 check_type ws2tcpip.h socklen_t
5134 check_type ws2tcpip.h "struct addrinfo"
5135 check_type ws2tcpip.h "struct group_source_req"
5136 check_type ws2tcpip.h "struct ip_mreq_source"
5137 check_type ws2tcpip.h "struct ipv6_mreq"
5138 check_type winsock2.h "struct pollfd"
5139 check_struct winsock2.h "struct sockaddr" sa_len
5140 check_type ws2tcpip.h "struct sockaddr_in6"
5141 check_type ws2tcpip.h "struct sockaddr_storage"
5147 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
5148 check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"
5149 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
5150 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
5151 check_builtin sarestart signal.h "SA_RESTART"
5152 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
5153 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
5154 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
5156 case "$custom_allocator" in
5158 # jemalloc by default does not use a prefix
5159 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
5162 require_pkg_config libtcmalloc gperftools/tcmalloc.h tc_malloc
5167 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
5168 check_func ${malloc_prefix}memalign && enable memalign
5169 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5172 check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
5175 check_func gethrtime
5177 check_func getrusage
5178 check_func gettimeofday
5180 check_func mach_absolute_time
5184 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5185 check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
5186 check_func sched_getaffinity
5187 check_func setrlimit
5188 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5189 check_func strerror_r
5194 check_func_headers conio.h kbhit
5195 check_func_headers io.h setmode
5196 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5197 check_func_headers stdlib.h getenv
5198 check_func_headers sys/stat.h lstat
5200 check_func_headers windows.h CoTaskMemFree -lole32
5201 check_func_headers windows.h GetProcessAffinityMask
5202 check_func_headers windows.h GetProcessTimes
5203 check_func_headers windows.h GetSystemTimeAsFileTime
5204 check_func_headers windows.h MapViewOfFile
5205 check_func_headers windows.h PeekNamedPipe
5206 check_func_headers windows.h SetConsoleTextAttribute
5207 check_func_headers windows.h SetConsoleCtrlHandler
5208 check_func_headers windows.h Sleep
5209 check_func_headers windows.h VirtualAlloc
5210 check_struct windows.h "CONDITION_VARIABLE" Ptr
5211 check_func_headers glob.h glob
5213 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5215 check_header direct.h
5216 check_header dirent.h
5217 check_header dlfcn.h
5218 check_header d3d11.h
5220 check_header dxva2api.h -D_WIN32_WINNT=0x0600
5222 check_header libcrystalhd/libcrystalhd_if.h
5223 check_header mach/mach_time.h
5224 check_header malloc.h
5225 check_header net/udplite.h
5227 check_header sys/mman.h
5228 check_header sys/param.h
5229 check_header sys/resource.h
5230 check_header sys/select.h
5231 check_header sys/time.h
5232 check_header sys/un.h
5233 check_header termios.h
5234 check_header unistd.h
5235 check_header valgrind/valgrind.h
5236 check_header vdpau/vdpau.h
5237 check_header vdpau/vdpau_x11.h
5238 check_header VideoDecodeAcceleration/VDADecoder.h
5239 check_header VideoToolbox/VideoToolbox.h
5240 check_header windows.h
5241 check_header X11/extensions/XvMClib.h
5242 check_header asm/types.h
5244 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
5245 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
5246 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5247 check_lib "CoreServices/CoreServices.h" UTGetOSTypeFromString "-framework CoreServices"
5249 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
5251 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
5252 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
5253 check_type "windows.h d3d11.h" "ID3D11VideoContext"
5254 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
5256 check_type "va/va.h" "VAPictureParameterBufferHEVC"
5258 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
5260 check_cpp_condition windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" && enable winrt || disable winrt
5262 if ! disabled w32threads && ! enabled pthreads; then
5263 check_func_headers "windows.h process.h" _beginthreadex &&
5264 enable w32threads || disable w32threads
5265 if ! enabled w32threads && enabled winrt; then
5266 check_func_headers "windows.h" CreateThread &&
5267 enable w32threads || disable w32threads
5271 # check for some common methods of building with pthread support
5272 # do this before the optional library checks as some of them require pthreads
5273 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
5275 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
5277 add_extralibs -pthread
5278 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
5279 add_cflags -pthreads
5280 add_extralibs -pthreads
5281 elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then
5282 add_cflags -ldl -pthread
5283 add_extralibs -ldl -pthread
5284 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
5285 add_extralibs -lpthreadGC2
5286 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
5288 elif ! check_func pthread_join && ! check_func pthread_create; then
5291 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
5295 if enabled pthreads; then
5296 check_func pthread_cancel
5299 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
5300 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
5301 disabled lzma || check_lib2 lzma.h lzma_version_number -llzma || disable lzma
5303 check_lib math.h sin -lm && LIBM="-lm"
5304 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
5311 for func in $MATH_FUNCS; do
5312 eval check_mathfunc $func \${${func}_args:-1}
5315 # these are off by default, so fail if requested and not available
5316 enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; }
5317 enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||
5318 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }
5319 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
5320 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
5321 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
5322 enabled chromaprint && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
5323 enabled decklink && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }
5324 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
5325 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
5326 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
5327 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
5328 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
5329 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
5330 enabled libbluray && require_pkg_config libbluray libbluray/bluray.h bd_open
5331 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
5332 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
5333 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
5334 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
5335 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
5336 enabled libdcadec && require_pkg_config dcadec libdcadec/dca_context.h dcadec_context_create &&
5337 check_struct libdcadec/dca_context.h "struct dcadec_exss_info" matrix_encoding
5338 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
5339 enabled libfdk_aac && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
5340 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
5341 warn "using libfdk without pkg-config"; } }
5342 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"
5343 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
5344 enabled fontconfig && enable libfontconfig
5345 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
5346 enabled libfreetype && require_libfreetype
5347 enabled libfribidi && require_pkg_config fribidi fribidi.h fribidi_version_info
5348 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
5349 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
5350 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
5351 done || die "ERROR: libgsm not found"; }
5352 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
5353 enabled libkvazaar && require_pkg_config "kvazaar >= 0.7.1" kvazaar.h kvz_api_get
5354 enabled libmfx && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit
5355 enabled libmodplug && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load
5356 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
5357 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
5358 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
5359 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
5360 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
5361 enabled libopenh264 && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion
5362 enabled libopenjpeg && { check_lib openjpeg.h opj_version -lopenmj2 -DOPJ_STATIC ||
5363 check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
5364 check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
5365 die "ERROR: libopenjpeg not found"; }
5366 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
5367 enabled libpulse && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new
5368 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
5369 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
5370 enabled librubberband && require_pkg_config "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new
5371 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
5372 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
5373 enabled libsmbclient && { use_pkg_config smbclient libsmbclient.h smbc_init ||
5374 require smbclient libsmbclient.h smbc_init -lsmbclient; }
5375 enabled libsnappy && require snappy snappy-c.h snappy_compress -lsnappy
5376 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr && LIBSOXR="-lsoxr"
5377 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
5378 enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
5379 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
5380 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
5381 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
5382 enabled libtesseract && require_pkg_config tesseract tesseract/capi.h TessBaseAPICreate
5383 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
5384 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
5385 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
5386 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
5387 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
5388 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
5389 enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
5390 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
5391 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
5392 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
5395 enabled libvpx_vp8_decoder && {
5396 use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
5397 check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
5398 die "ERROR: libvpx decoder version must be >=0.9.1";
5400 enabled libvpx_vp8_encoder && {
5401 use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
5402 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
5403 die "ERROR: libvpx encoder version must be >=0.9.7";
5405 enabled libvpx_vp9_decoder && {
5406 use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
5407 check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx ||
5408 disable libvpx_vp9_decoder;
5410 enabled libvpx_vp9_encoder && {
5411 use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
5412 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx ||
5413 disable libvpx_vp9_encoder;
5415 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
5416 die "libvpx enabled but no supported decoders found"
5420 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
5421 enabled libwebp && {
5422 enabled libwebp_encoder && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
5423 enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }
5424 enabled libx264 && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||
5425 { require libx264 x264.h x264_encoder_encode -lx264 &&
5426 warn "using libx264 without pkg-config"; } } &&
5427 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
5428 die "ERROR: libx264 must be installed and version must be >= 0.118."; } &&
5429 { check_cpp_condition x264.h "X264_MPEG2" &&
5431 enabled libx265 && require_pkg_config x265 x265.h x265_api_get &&
5432 { check_cpp_condition x265.h "X265_BUILD >= 57" ||
5433 die "ERROR: libx265 version must be >= 57."; }
5434 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
5435 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
5436 enabled libzimg && require_pkg_config zimg zimg.h zimg_get_api_version
5437 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
5438 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
5439 enabled mmal && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
5440 { ! enabled cross_compile && {
5441 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;
5442 add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;
5443 check_lib interface/mmal/mmal.h mmal_port_connect ; }
5444 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||
5445 die "ERROR: mmal not found"; }
5446 enabled nvenc && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&
5447 { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" ||
5448 die "ERROR: NVENC API version 4 or older is not supported"; } &&
5449 { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }
5450 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
5451 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
5452 die "ERROR: openal not found"; } &&
5453 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
5454 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
5455 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
5456 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
5457 die "ERROR: opencl not found"; } &&
5458 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
5459 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
5460 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
5461 enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||
5462 check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
5463 check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
5464 check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
5465 die "ERROR: opengl not found."
5467 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
5468 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
5469 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
5470 die "ERROR: openssl not found"; }
5471 enabled qtkit_indev && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; }
5473 if enabled gnutls; then
5474 { check_lib2 gmp.h mpz_export -lgmp && enable gmp; } ||
5475 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
5479 if enabled libdc1394; then
5480 { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&
5481 enable libdc1394_2; } ||
5482 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
5483 enable libdc1394_1; } ||
5484 die "ERROR: No version of libdc1394 found "
5486 if ! disabled sdl; then
5487 SDL_CONFIG="${cross_prefix}sdl-config"
5488 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
5489 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5490 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5493 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5494 sdl_cflags=$("${SDL_CONFIG}" --cflags)
5495 sdl_libs=$("${SDL_CONFIG}" --libs)
5496 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
5497 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5498 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5500 elif enabled sdl ; then
5501 die "ERROR: SDL not found"
5506 if test $target_os = "mingw32"; then
5507 sdl_libs="$sdl_libs -mconsole"
5510 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
5512 disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5513 check_lib2 "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5514 enable securetransport; }
5516 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
5518 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
5519 && enable makeinfo_html || disable makeinfo_html
5520 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
5521 perl -v > /dev/null 2>&1 && enable perl || disable perl
5522 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
5523 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
5525 check_header linux/fb.h
5526 check_header linux/videodev.h
5527 check_header linux/videodev2.h
5528 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5530 check_header sys/videoio.h
5531 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5533 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
5534 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
5535 # w32api 3.12 had it defined wrong
5536 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
5538 check_type "dshow.h" IBaseFilter
5540 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
5541 { check_header dev/bktr/ioctl_meteor.h &&
5542 check_header dev/bktr/ioctl_bt848.h; } ||
5543 { check_header machine/ioctl_meteor.h &&
5544 check_header machine/ioctl_bt848.h; } ||
5545 { check_header dev/video/meteor/ioctl_meteor.h &&
5546 check_header dev/video/bktr/ioctl_bt848.h; } ||
5547 check_header dev/ic/bt8xx.h
5549 check_header sndio.h
5550 if check_struct sys/soundcard.h audio_buf_info bytes; then
5551 enable_safe sys/soundcard.h
5553 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
5554 #include <sys/soundcard.h>
5558 check_header soundcard.h
5560 enabled_any alsa_indev alsa_outdev &&
5561 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
5563 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
5564 check_func jack_port_get_latency_range -ljack
5566 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
5568 if enabled libcdio; then
5569 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5570 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5571 die "ERROR: No usable libcdio/cdparanoia found"
5575 check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib
5577 if ! disabled libxcb; then
5578 check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {
5579 enabled libxcb && die "ERROR: libxcb >= 1.4 not found";
5580 } && disable x11grab && enable libxcb
5582 if enabled libxcb; then
5583 disabled libxcb_shm || {
5584 check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {
5585 enabled libxcb_shm && die "ERROR: libxcb_shm not found";
5586 } && check_header sys/shm.h && enable libxcb_shm; }
5588 disabled libxcb_xfixes || {
5589 check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {
5590 enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";
5591 } && enable libxcb_xfixes; }
5593 disabled libxcb_shape || {
5594 check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {
5595 enabled libxcb_shape && die "ERROR: libxcb_shape not found";
5596 } && enable libxcb_shape; }
5598 add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags
5599 add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs
5603 if enabled x11grab; then
5604 enabled xlib || die "ERROR: Xlib not found"
5605 require Xext X11/extensions/XShm.h XShmCreateImage -lXext
5606 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
5609 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
5611 enabled dxva2api_h &&
5612 check_cc <<EOF && enable dxva2api_cobj
5613 #define _WIN32_WINNT 0x0600
5615 #include <windows.h>
5617 #include <dxva2api.h>
5618 int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }
5622 check_lib va/va.h vaInitialize -lva ||
5625 enabled vaapi && enabled xlib &&
5626 check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&
5630 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
5633 enabled vdpau && enabled xlib &&
5634 check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
5635 prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&
5638 # Funny iconv installations are not unusual, so check it after all flags have been set
5639 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
5641 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
5643 # add some useful compiler flags if supported
5644 check_cflags -Wdeclaration-after-statement
5646 check_cflags -Wdisabled-optimization
5647 check_cflags -Wpointer-arith
5648 check_cflags -Wredundant-decls
5649 check_cflags -Wwrite-strings
5650 check_cflags -Wtype-limits
5651 check_cflags -Wundef
5652 check_cflags -Wmissing-prototypes
5653 check_cflags -Wno-pointer-to-int-cast
5654 check_cflags -Wstrict-prototypes
5655 check_cflags -Wempty-body
5656 enabled extra_warnings && check_cflags -Winline
5658 check_disable_warning(){
5659 warning_flag=-W${1#-Wno-}
5660 test_cflags $warning_flag && add_cflags $1
5663 check_disable_warning -Wno-parentheses
5664 check_disable_warning -Wno-switch
5665 check_disable_warning -Wno-format-zero-length
5666 check_disable_warning -Wno-pointer-sign
5668 # add some linker flags
5669 check_ldflags -Wl,--warn-common
5670 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
5671 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir
5672 enabled rpath && add_ldlibflags -Wl,-rpath,$libdir
5673 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
5675 # add some strip flags
5676 # -wN '..@*' is more selective than -x, but not available everywhere.
5677 check_stripflags -wN \'..@*\' || check_stripflags -x
5679 enabled neon_clobber_test &&
5680 check_ldflags -Wl,--wrap,avcodec_open2 \
5681 -Wl,--wrap,avcodec_decode_audio4 \
5682 -Wl,--wrap,avcodec_decode_video2 \
5683 -Wl,--wrap,avcodec_decode_subtitle2 \
5684 -Wl,--wrap,avcodec_encode_audio2 \
5685 -Wl,--wrap,avcodec_encode_video2 \
5686 -Wl,--wrap,avcodec_encode_subtitle \
5687 -Wl,--wrap,swr_convert \
5688 -Wl,--wrap,avresample_convert ||
5689 disable neon_clobber_test
5691 enabled xmm_clobber_test &&
5692 check_ldflags -Wl,--wrap,avcodec_open2 \
5693 -Wl,--wrap,avcodec_decode_audio4 \
5694 -Wl,--wrap,avcodec_decode_video2 \
5695 -Wl,--wrap,avcodec_decode_subtitle2 \
5696 -Wl,--wrap,avcodec_encode_audio2 \
5697 -Wl,--wrap,avcodec_encode_video2 \
5698 -Wl,--wrap,avcodec_encode_subtitle \
5699 -Wl,--wrap,swr_convert \
5700 -Wl,--wrap,avresample_convert \
5701 -Wl,--wrap,sws_scale ||
5702 disable xmm_clobber_test
5704 echo "X { local: *; };" > $TMPV
5705 if test_ldflags -Wl,--version-script,$TMPV; then
5706 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
5707 elif test_ldflags -Wl,-M,$TMPV; then
5708 append SHFLAGS '-Wl,-M,\$(SUBDIR)lib\$(NAME).ver-sol2'
5711 check_cc <<EOF && enable symver_asm_label
5712 void ff_foo(void) __asm__ ("av_foo@VERSION");
5713 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
5715 check_cc <<EOF && enable symver_gnu_asm
5716 __asm__(".symver ff_foo,av_foo@VERSION");
5717 void ff_foo(void) {}
5720 if [ -z "$optflags" ]; then
5721 if enabled small; then
5722 optflags=$cflags_size
5723 elif enabled optimizations; then
5724 optflags=$cflags_speed
5726 optflags=$cflags_noopt
5732 enabled lto && check_ldflags "$@"
5736 if enabled lto; then
5737 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
5739 check_ldflags -flto $cpuflags
5740 disable inline_asm_direct_symbol_refs
5743 check_optflags $optflags
5744 check_optflags -fno-math-errno
5745 check_optflags -fno-signed-zeros
5747 enabled ftrapv && check_cflags -ftrapv
5749 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
5754 if enabled icc; then
5755 # Just warnings, no remarks
5757 # -wd: Disable following warnings
5758 # 144, 167, 556: -Wno-pointer-sign
5759 # 188: enumerated type mixed with another type
5760 # 1292: attribute "foo" ignored
5761 # 1419: external declaration in primary source file
5762 # 10006: ignoring unknown option -fno-signed-zeros
5763 # 10148: ignoring unknown option -Wno-parentheses
5764 # 10156: ignoring option '-W'; no argument required
5765 # 13200: No EMMS instruction before call to function
5766 # 13203: No EMMS instruction before return from function
5767 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
5768 # 11030: Warning unknown option --as-needed
5769 # 10156: ignoring option '-export'; no argument required
5770 check_ldflags -wd10156,11030
5771 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
5772 enable ebp_available
5773 # The test above does not test linking
5774 enabled lto && disable symver_asm_label
5775 if enabled x86_32; then
5776 icc_version=$($cc -dumpversion)
5777 test ${icc_version%%.*} -ge 11 &&
5778 check_cflags -falign-stack=maintain-16-byte ||
5779 disable aligned_stack
5781 elif enabled ccc; then
5782 # disable some annoying warnings
5783 add_cflags -msg_disable bitnotint
5784 add_cflags -msg_disable mixfuncvoid
5785 add_cflags -msg_disable nonstandcast
5786 add_cflags -msg_disable unsupieee
5787 elif enabled gcc; then
5788 check_optflags -fno-tree-vectorize
5789 check_cflags -Werror=format-security
5790 check_cflags -Werror=implicit-function-declaration
5791 check_cflags -Werror=missing-prototypes
5792 check_cflags -Werror=return-type
5793 check_cflags -Werror=vla
5794 check_cflags -Wformat
5795 check_cflags -fdiagnostics-color=auto
5796 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
5797 elif enabled llvm_gcc; then
5798 check_cflags -mllvm -stack-alignment=16
5799 elif enabled clang; then
5800 check_cflags -mllvm -stack-alignment=16
5801 check_cflags -Qunused-arguments
5802 check_cflags -Werror=implicit-function-declaration
5803 check_cflags -Werror=missing-prototypes
5804 check_cflags -Werror=return-type
5805 elif enabled cparser; then
5806 add_cflags -Wno-missing-variable-declarations
5807 add_cflags -Wno-empty-statement
5808 elif enabled armcc; then
5809 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
5810 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
5811 # 2523: use of inline assembly is deprecated
5812 add_cflags -W${armcc_opt},--diag_suppress=2523
5813 add_cflags -W${armcc_opt},--diag_suppress=1207
5814 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
5815 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
5816 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
5817 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
5818 elif enabled tms470; then
5819 add_cflags -pds=824 -pds=837
5821 elif enabled pathscale; then
5822 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
5823 elif enabled_any msvc icl; then
5824 enabled x86_32 && disable aligned_stack
5825 enabled_all x86_32 debug && add_cflags -Oy-
5826 enabled debug && add_ldflags -debug
5827 enable pragma_deprecated
5828 if enabled icl; then
5829 # -Qansi-alias is basically -fstrict-aliasing, but does not work
5830 # (correctly) on icl 13.x.
5831 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
5832 add_cflags -Qansi-alias
5833 # Some inline asm is not compilable in debug
5834 if enabled debug; then
5835 disable ebp_available
5836 disable ebx_available
5839 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
5840 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
5841 # The CRT headers contain __declspec(restrict) in a few places, but if redefining
5842 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
5843 # (as it ends up if the restrict redefine is done before including stdlib.h), while
5844 # MSVC 2013 and newer can handle it fine.
5845 # If this declspec fails, force including stdlib.h before the restrict redefinition
5846 # happens in config.h.
5847 if [ $_restrict != restrict ]; then
5848 check_cc <<EOF || add_cflags -FIstdlib.h
5849 __declspec($_restrict) void* foo(int);
5852 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
5855 for pfx in "" host_; do
5856 varname=${pfx%_}cc_type
5857 eval "type=\$$varname"
5858 if [ $type = "msvc" ]; then
5859 check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline
5860 static inline int foo(int a) { return a; }
5867 add_asflags -Qunused-arguments
5873 check_ldflags -Qunused-arguments
5879 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
5882 add_cppflags -Dmain=plan9_main
5886 enable frame_thread_encoder
5888 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
5890 check_deps $CONFIG_LIST \
5895 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"
5898 if test $target_os = "haiku"; then
5900 disable posix_memalign
5903 enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&
5904 prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&
5907 ! enabled_any memalign posix_memalign aligned_malloc &&
5908 enabled simd_align_16 && enable memalign_hack
5911 # -> enable ${lib}_deps_${dep}
5912 # -> add $dep to ${lib}_deps only once
5916 enabled "${lib}_deps_${dep}" && return 0
5917 enable "${lib}_deps_${dep}"
5918 prepend "${lib}_deps" $dep
5921 # merge deps lib components
5922 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
5927 enabled $comp || continue
5928 eval "dep=\"\$${comp}_deps\""
5935 merge_deps libavfilter $FILTER_LIST
5937 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
5939 for thread in $THREADS_LIST; do
5940 if enabled $thread; then
5941 test -n "$thread_type" &&
5942 die "ERROR: Only one thread type must be selected." ||
5943 thread_type="$thread"
5947 enabled zlib && add_cppflags -DZLIB_CONST
5949 # conditional library dependencies, in linking order
5950 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
5951 enabled aresample_filter && prepend avfilter_deps "swresample"
5952 enabled asyncts_filter && prepend avfilter_deps "avresample"
5953 enabled atempo_filter && prepend avfilter_deps "avcodec"
5954 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
5955 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
5956 enabled elbg_filter && prepend avfilter_deps "avcodec"
5957 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
5958 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
5959 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
5960 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
5961 enabled pan_filter && prepend avfilter_deps "swresample"
5962 enabled pp_filter && prepend avfilter_deps "postproc"
5963 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
5964 enabled resample_filter && prepend avfilter_deps "avresample"
5965 enabled sab_filter && prepend avfilter_deps "swscale"
5966 enabled scale_filter && prepend avfilter_deps "swscale"
5967 enabled scale2ref_filter && prepend avfilter_deps "swscale"
5968 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
5969 enabled smartblur_filter && prepend avfilter_deps "swscale"
5970 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
5971 enabled uspp_filter && prepend avfilter_deps "avcodec"
5973 enabled lavfi_indev && prepend avdevice_deps "avfilter"
5975 enabled opus_decoder && prepend avcodec_deps "swresample"
5979 eval "deps=\$$lib_deps"
5980 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
5984 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
5985 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
5987 map 'expand_deps $v' $LIBRARY_LIST
5989 echo "install prefix $prefix"
5990 echo "source path $source_path"
5991 echo "C compiler $cc"
5992 echo "C library $libc_type"
5993 if test "$host_cc" != "$cc"; then
5994 echo "host C compiler $host_cc"
5995 echo "host C library $host_libc_type"
5997 echo "ARCH $arch ($cpu)"
5998 if test "$build_suffix" != ""; then
5999 echo "build suffix $build_suffix"
6001 if test "$progs_suffix" != ""; then
6002 echo "progs suffix $progs_suffix"
6004 if test "$extra_version" != ""; then
6005 echo "version string suffix $extra_version"
6007 echo "big-endian ${bigendian-no}"
6008 echo "runtime cpu detection ${runtime_cpudetect-no}"
6009 if enabled x86; then
6010 echo "${yasmexe} ${yasm-no}"
6011 echo "MMX enabled ${mmx-no}"
6012 echo "MMXEXT enabled ${mmxext-no}"
6013 echo "3DNow! enabled ${amd3dnow-no}"
6014 echo "3DNow! extended enabled ${amd3dnowext-no}"
6015 echo "SSE enabled ${sse-no}"
6016 echo "SSSE3 enabled ${ssse3-no}"
6017 echo "AESNI enabled ${aesni-no}"
6018 echo "AVX enabled ${avx-no}"
6019 echo "XOP enabled ${xop-no}"
6020 echo "FMA3 enabled ${fma3-no}"
6021 echo "FMA4 enabled ${fma4-no}"
6022 echo "i686 features enabled ${i686-no}"
6023 echo "CMOV is fast ${fast_cmov-no}"
6024 echo "EBX available ${ebx_available-no}"
6025 echo "EBP available ${ebp_available-no}"
6027 if enabled aarch64; then
6028 echo "NEON enabled ${neon-no}"
6029 echo "VFP enabled ${vfp-no}"
6031 if enabled arm; then
6032 echo "ARMv5TE enabled ${armv5te-no}"
6033 echo "ARMv6 enabled ${armv6-no}"
6034 echo "ARMv6T2 enabled ${armv6t2-no}"
6035 echo "VFP enabled ${vfp-no}"
6036 echo "NEON enabled ${neon-no}"
6037 echo "THUMB enabled ${thumb-no}"
6039 if enabled mips; then
6040 echo "MIPS FPU enabled ${mipsfpu-no}"
6041 echo "MIPS32R5 enabled ${mips32r5-no}"
6042 echo "MIPS64R6 enabled ${mips64r6-no}"
6043 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
6044 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
6045 echo "MIPS MSA enabled ${msa-no}"
6046 echo "LOONGSON MMI enabled ${mmi-no}"
6048 if enabled ppc; then
6049 echo "AltiVec enabled ${altivec-no}"
6050 echo "VSX enabled ${vsx-no}"
6051 echo "POWER8 enabled ${power8-no}"
6052 echo "PPC 4xx optimizations ${ppc4xx-no}"
6053 echo "dcbzl available ${dcbzl-no}"
6055 echo "debug symbols ${debug-no}"
6056 echo "strip symbols ${stripping-no}"
6057 echo "optimize for size ${small-no}"
6058 echo "optimizations ${optimizations-no}"
6059 echo "static ${static-no}"
6060 echo "shared ${shared-no}"
6061 echo "postprocessing support ${postproc-no}"
6062 echo "new filter support ${avfilter-no}"
6063 echo "network support ${network-no}"
6064 echo "threading support ${thread_type-no}"
6065 echo "safe bitstream reader ${safe_bitstream_reader-no}"
6066 echo "SDL support ${sdl-no}"
6067 echo "opencl enabled ${opencl-no}"
6068 echo "texi2html enabled ${texi2html-no}"
6069 echo "perl enabled ${perl-no}"
6070 echo "pod2man enabled ${pod2man-no}"
6071 echo "makeinfo enabled ${makeinfo-no}"
6072 echo "makeinfo supports HTML ${makeinfo_html-no}"
6073 test -n "$random_seed" &&
6074 echo "random seed ${random_seed}"
6077 echo "Enabled programs:"
6078 print_enabled '' $PROGRAM_LIST | print_in_columns
6081 echo "External libraries:"
6082 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_in_columns
6085 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
6086 echo "Enabled ${type}s:"
6087 eval list=\$$(toupper $type)_LIST
6088 print_enabled '_*' $list | print_in_columns
6092 license="LGPL version 2.1 or later"
6093 if enabled nonfree; then
6094 license="nonfree and unredistributable"
6095 elif enabled gplv3; then
6096 license="GPL version 3 or later"
6097 elif enabled lgplv3; then
6098 license="LGPL version 3 or later"
6099 elif enabled gpl; then
6100 license="GPL version 2 or later"
6103 echo "License: $license"
6105 echo "Creating config.mak, config.h, and doc/config.texi..."
6107 test -e Makefile || echo "include $source_path/Makefile" > Makefile
6109 enabled stripping || strip="echo skipping strip"
6111 config_files="$TMPH config.mak doc/config.texi"
6113 cat > config.mak <<EOF
6114 # Automatically generated by configure - do not modify!
6115 ifndef FFMPEG_CONFIG_MAK
6117 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
6119 LIBDIR=\$(DESTDIR)$libdir
6120 SHLIBDIR=\$(DESTDIR)$shlibdir
6121 INCDIR=\$(DESTDIR)$incdir
6122 BINDIR=\$(DESTDIR)$bindir
6123 DATADIR=\$(DESTDIR)$datadir
6124 DOCDIR=\$(DESTDIR)$docdir
6125 MANDIR=\$(DESTDIR)$mandir
6126 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
6127 SRC_PATH=$source_path
6128 ifndef MAIN_MAKEFILE
6129 SRC_PATH:=\$(SRC_PATH:.%=..%)
6133 INTRINSICS=$intrinsics
6139 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
6141 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
6170 LDEXEFLAGS=$LDEXEFLAGS
6171 LDLIBFLAGS=$LDLIBFLAGS
6172 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
6173 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
6174 YASMFLAGS=$YASMFLAGS
6175 BUILDSUF=$build_suffix
6176 PROGSSUF=$progs_suffix
6184 EXTRA_VERSION=$extra_version
6187 CCDEP_FLAGS=$CCDEP_FLAGS
6189 ASDEP_FLAGS=$ASDEP_FLAGS
6190 CC_DEPFLAGS=$CC_DEPFLAGS
6191 AS_DEPFLAGS=$AS_DEPFLAGS
6194 HOSTCFLAGS=$host_cflags
6195 HOSTCPPFLAGS=$host_cppflags
6196 HOSTEXESUF=$HOSTEXESUF
6197 HOSTLDFLAGS=$host_ldflags
6200 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
6201 HOSTCCDEP=$HOSTCCDEP
6202 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
6203 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
6207 TARGET_EXEC=$target_exec $target_exec_args
6208 TARGET_PATH=$target_path
6209 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
6210 CFLAGS-ffplay=$sdl_cflags
6211 ZLIB=$($ldflags_filter -lz)
6212 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
6213 EXTRALIBS=$extralibs
6214 COMPAT_OBJS=$compat_objs
6217 LIBTARGET=${LIBTARGET}
6218 SLIBNAME=${SLIBNAME}
6219 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
6220 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
6221 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
6222 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
6223 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
6224 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
6225 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
6226 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
6227 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
6228 NOREDZONE_FLAGS=$noredzone_flags
6233 name=$(toupper $lcname)
6234 file=$source_path/$lcname/version.h
6235 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
6236 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
6237 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
6238 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
6239 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
6240 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
6243 map 'get_version $v' $LIBRARY_LIST
6245 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST
6247 print_program_libs(){
6248 eval "program_libs=\$${1}_libs"
6249 eval echo "LIBS-${1}=${program_libs}" >> config.mak
6252 map 'print_program_libs $v' $PROGRAM_LIST
6255 /* Automatically generated by configure - do not modify! */
6256 #ifndef FFMPEG_CONFIG_H
6257 #define FFMPEG_CONFIG_H
6258 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
6259 #define FFMPEG_LICENSE "$(c_escape $license)"
6260 #define CONFIG_THIS_YEAR 2015
6261 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
6262 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
6263 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
6264 #define av_restrict $_restrict
6265 #define EXTERN_PREFIX "${extern_prefix}"
6266 #define EXTERN_ASM ${extern_prefix}
6267 #define BUILDSUF "$build_suffix"
6268 #define SLIBSUF "$SLIBSUF"
6269 #define HAVE_MMX2 HAVE_MMXEXT
6270 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
6273 test -n "$assert_level" &&
6274 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
6276 test -n "$malloc_prefix" &&
6277 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
6279 if enabled yasm; then
6280 append config_files $TMPASM
6284 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
6290 echo "@c auto-generated by configure - do not modify! " > doc/config.texi
6292 print_config ARCH_ "$config_files" $ARCH_LIST
6293 print_config HAVE_ "$config_files" $HAVE_LIST
6294 print_config CONFIG_ "$config_files" $CONFIG_LIST \
6298 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
6299 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
6301 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
6302 cp_if_changed $TMPH config.h
6305 enabled yasm && cp_if_changed $TMPASM config.asm
6308 /* Generated by ffconf */
6309 #ifndef AVUTIL_AVCONFIG_H
6310 #define AVUTIL_AVCONFIG_H
6313 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
6315 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
6317 cp_if_changed $TMPH libavutil/avconfig.h
6319 if test -n "$WARNINGS"; then
6320 printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"
6321 enabled fatal_warnings && exit 1
6324 # build pkg-config files
6327 eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""
6330 pkgconfig_generate(){
6332 shortname=${name#lib}${build_suffix}
6336 requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))
6337 requires=${requires%, }
6338 enabled ${name#lib} || return 0
6340 cat <<EOF > $name/$name${build_suffix}.pc
6342 exec_prefix=\${prefix}
6347 Description: $comment
6349 Requires: $(enabled shared || echo $requires)
6350 Requires.private: $(enabled shared && echo $requires)
6352 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
6353 Libs.private: $(enabled shared && echo $libs)
6354 Cflags: -I\${includedir}
6357 mkdir -p doc/examples/pc-uninstalled
6358 includedir=${source_path}
6359 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
6360 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
6363 libdir=\${pcfiledir}/../../../$name
6364 includedir=${includedir}
6367 Description: $comment
6371 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
6372 Cflags: -I\${includedir}
6376 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBRT $LIBM"
6377 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs"
6378 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs"
6379 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs"
6380 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
6381 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" ""
6382 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$LIBM"
6383 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM"
6384 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM $LIBSOXR"