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-avutil disable libavutil build
132 --disable-swresample disable libswresample build
133 --disable-swscale disable libswscale build
134 --disable-postproc disable libpostproc build
135 --disable-avfilter disable libavfilter build
136 --enable-avresample enable libavresample build [no]
137 --disable-pthreads disable pthreads [autodetect]
138 --disable-w32threads disable Win32 threads [autodetect]
139 --disable-os2threads disable OS/2 threads [autodetect]
140 --disable-network disable network support [no]
141 --disable-dct disable DCT code
142 --disable-dwt disable DWT code
143 --disable-error-resilience disable error resilience code
144 --disable-lsp disable LSP code
145 --disable-lzo disable LZO decoder code
146 --disable-mdct disable MDCT code
147 --disable-rdft disable RDFT code
148 --disable-fft disable FFT code
149 --disable-faan disable floating point AAN (I)DCT code
150 --disable-pixelutils disable pixel utils in libavutil
152 Hardware accelerators:
153 --disable-d3d11va disable D3D11VA code [autodetect]
154 --disable-dxva2 disable DXVA2 code [autodetect]
155 --disable-vaapi disable VAAPI code [autodetect]
156 --disable-vda disable VDA code [autodetect]
157 --disable-vdpau disable VDPAU code [autodetect]
159 Individual component options:
160 --disable-everything disable all components listed below
161 --disable-encoder=NAME disable encoder NAME
162 --enable-encoder=NAME enable encoder NAME
163 --disable-encoders disable all encoders
164 --disable-decoder=NAME disable decoder NAME
165 --enable-decoder=NAME enable decoder NAME
166 --disable-decoders disable all decoders
167 --disable-hwaccel=NAME disable hwaccel NAME
168 --enable-hwaccel=NAME enable hwaccel NAME
169 --disable-hwaccels disable all hwaccels
170 --disable-muxer=NAME disable muxer NAME
171 --enable-muxer=NAME enable muxer NAME
172 --disable-muxers disable all muxers
173 --disable-demuxer=NAME disable demuxer NAME
174 --enable-demuxer=NAME enable demuxer NAME
175 --disable-demuxers disable all demuxers
176 --enable-parser=NAME enable parser NAME
177 --disable-parser=NAME disable parser NAME
178 --disable-parsers disable all parsers
179 --enable-bsf=NAME enable bitstream filter NAME
180 --disable-bsf=NAME disable bitstream filter NAME
181 --disable-bsfs disable all bitstream filters
182 --enable-protocol=NAME enable protocol NAME
183 --disable-protocol=NAME disable protocol NAME
184 --disable-protocols disable all protocols
185 --enable-indev=NAME enable input device NAME
186 --disable-indev=NAME disable input device NAME
187 --disable-indevs disable input devices
188 --enable-outdev=NAME enable output device NAME
189 --disable-outdev=NAME disable output device NAME
190 --disable-outdevs disable output devices
191 --disable-devices disable all devices
192 --enable-filter=NAME enable filter NAME
193 --disable-filter=NAME disable filter NAME
194 --disable-filters disable all filters
196 External library support:
197 --enable-avisynth enable reading of AviSynth script files [no]
198 --disable-bzlib disable bzlib [autodetect]
199 --enable-fontconfig enable fontconfig, useful for drawtext filter [no]
200 --enable-frei0r enable frei0r video filtering [no]
201 --enable-gnutls enable gnutls, needed for https support
202 if openssl is not used [no]
203 --disable-iconv disable iconv [autodetect]
204 --enable-ladspa enable LADSPA audio filtering [no]
205 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
206 --enable-libass enable libass subtitles rendering,
207 needed for subtitles and ass filter [no]
208 --enable-libbluray enable BluRay reading using libbluray [no]
209 --enable-libbs2b enable bs2b DSP library [no]
210 --enable-libcaca enable textual display using libcaca [no]
211 --enable-libcelt enable CELT decoding via libcelt [no]
212 --enable-libcdio enable audio CD grabbing with libcdio [no]
213 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
215 --enable-libdcadec enable DCA decoding via libdcadec [no]
216 --enable-libfaac enable AAC encoding via libfaac [no]
217 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
218 --enable-libflite enable flite (voice synthesis) support via libflite [no]
219 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
220 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
221 --enable-libgme enable Game Music Emu via libgme [no]
222 --enable-libgsm enable GSM de/encoding via libgsm [no]
223 --enable-libiec61883 enable iec61883 via libiec61883 [no]
224 --enable-libilbc enable iLBC de/encoding via libilbc [no]
225 --enable-libmfx enable HW acceleration through libmfx
226 --enable-libmodplug enable ModPlug via libmodplug [no]
227 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
228 --enable-libnut enable NUT (de)muxing via libnut,
229 native (de)muxer exists [no]
230 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
231 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
232 --enable-libopencv enable video filtering via libopencv [no]
233 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
234 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
235 --enable-libopus enable Opus de/encoding via libopus [no]
236 --enable-libpulse enable Pulseaudio input via libpulse [no]
237 --enable-libquvi enable quvi input via libquvi [no]
238 --enable-librtmp enable RTMP[E] support via librtmp [no]
239 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
240 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
241 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
242 --enable-libsoxr enable Include libsoxr resampling [no]
243 --enable-libspeex enable Speex de/encoding via libspeex [no]
244 --enable-libssh enable SFTP protocol via libssh [no]
245 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
246 --enable-libtheora enable Theora encoding via libtheora [no]
247 --enable-libtwolame enable MP2 encoding via libtwolame [no]
248 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
249 --enable-libv4l2 enable libv4l2/v4l-utils [no]
250 --enable-libvidstab enable video stabilization using vid.stab [no]
251 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
252 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
253 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
254 native implementation exists [no]
255 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
256 --enable-libwavpack enable wavpack encoding via libwavpack [no]
257 --enable-libwebp enable WebP encoding via libwebp [no]
258 --enable-libx264 enable H.264 encoding via x264 [no]
259 --enable-libx265 enable HEVC encoding via x265 [no]
260 --enable-libxavs enable AVS encoding via xavs [no]
261 --enable-libxcb enable X11 grabbing using XCB [autodetect]
262 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
263 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
264 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
265 --enable-libxvid enable Xvid encoding via xvidcore,
266 native MPEG-4/Xvid encoder exists [no]
267 --enable-libzmq enable message passing via libzmq [no]
268 --enable-libzvbi enable teletext support via libzvbi [no]
269 --disable-lzma disable lzma [autodetect]
270 --enable-decklink enable Blackmagick DeckLink I/O support [no]
271 --enable-mmal enable decoding via MMAL [no]
272 --enable-nvenc enable NVIDIA NVENC support [no]
273 --enable-openal enable OpenAL 1.1 capture support [no]
274 --enable-opencl enable OpenCL code
275 --enable-opengl enable OpenGL rendering [no]
276 --enable-openssl enable openssl, needed for https support
277 if gnutls is not used [no]
278 --disable-sdl disable sdl [autodetect]
279 --disable-securetransport disable Secure Transport, needed for TLS support
280 on OSX if openssl and gnutls are not used [autodetect]
281 --enable-x11grab enable X11 grabbing (legacy) [no]
282 --disable-xlib disable xlib [autodetect]
283 --disable-zlib disable zlib [autodetect]
286 --arch=ARCH select architecture [$arch]
287 --cpu=CPU select the minimum required CPU (affects
288 instruction selection, may crash on older CPUs)
289 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
290 --progs-suffix=SUFFIX program name suffix []
291 --enable-cross-compile assume a cross-compiler is used
292 --sysroot=PATH root of cross-build tree
293 --sysinclude=PATH location of cross-build system headers
294 --target-os=OS compiler targets OS [$target_os]
295 --target-exec=CMD command to run executables on target
296 --target-path=DIR path to view of build directory on target
297 --target-samples=DIR path to samples directory on target
298 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
299 --toolchain=NAME set tool defaults according to NAME
300 --nm=NM use nm tool NM [$nm_default]
301 --ar=AR use archive tool AR [$ar_default]
302 --as=AS use assembler AS [$as_default]
303 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
304 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
305 --cc=CC use C compiler CC [$cc_default]
306 --cxx=CXX use C compiler CXX [$cxx_default]
307 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
308 --ld=LD use linker LD [$ld_default]
309 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
310 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
311 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
312 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
313 --host-cc=HOSTCC use host C compiler HOSTCC
314 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
315 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
316 --host-ld=HOSTLD use host linker HOSTLD
317 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
318 --host-libs=HLIBS use libs HLIBS when linking for host
319 --host-os=OS compiler host OS [$target_os]
320 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
321 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
322 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
323 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
324 --extra-libs=ELIBS add ELIBS [$ELIBS]
325 --extra-version=STRING version string suffix []
326 --optflags=OPTFLAGS override optimization-related compiler flags
327 --build-suffix=SUFFIX library name suffix []
328 --enable-pic build position-independent code
329 --enable-thumb compile for Thumb instruction set
330 --enable-lto use link-time optimization
332 Advanced options (experts only):
333 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
334 --disable-symver disable symbol versioning
335 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
336 --disable-safe-bitstream-reader
337 disable buffer boundary checking in bitreaders
338 (faster, but may crash)
339 --enable-memalign-hack emulate memalign, interferes with memory debuggers
340 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
342 Optimization options (experts only):
343 --disable-asm disable all assembly optimizations
344 --disable-altivec disable AltiVec optimizations
345 --disable-amd3dnow disable 3DNow! optimizations
346 --disable-amd3dnowext disable 3DNow! extended optimizations
347 --disable-mmx disable MMX optimizations
348 --disable-mmxext disable MMXEXT optimizations
349 --disable-sse disable SSE optimizations
350 --disable-sse2 disable SSE2 optimizations
351 --disable-sse3 disable SSE3 optimizations
352 --disable-ssse3 disable SSSE3 optimizations
353 --disable-sse4 disable SSE4 optimizations
354 --disable-sse42 disable SSE4.2 optimizations
355 --disable-avx disable AVX optimizations
356 --disable-xop disable XOP optimizations
357 --disable-fma3 disable FMA3 optimizations
358 --disable-fma4 disable FMA4 optimizations
359 --disable-avx2 disable AVX2 optimizations
360 --disable-armv5te disable armv5te optimizations
361 --disable-armv6 disable armv6 optimizations
362 --disable-armv6t2 disable armv6t2 optimizations
363 --disable-vfp disable VFP optimizations
364 --disable-neon disable NEON optimizations
365 --disable-inline-asm disable use of inline assembly
366 --disable-yasm disable use of nasm/yasm assembly
367 --disable-mips32r5 disable MIPS32R5 optimizations
368 --disable-mips64r6 disable MIPS64R6 optimizations
369 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
370 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
371 --disable-msa disable MSA optimizations
372 --disable-mipsfpu disable floating point MIPS optimizations
373 --disable-loongson3 disable Loongson-3 SIMD optimizations
374 --disable-fast-unaligned consider unaligned accesses slow
376 Developer options (useful when working on FFmpeg itself):
377 --disable-debug disable debugging symbols
378 --enable-debug=LEVEL set the debug level [$debuglevel]
379 --disable-optimizations disable compiler optimizations
380 --enable-extra-warnings enable more compiler warnings
381 --disable-stripping disable stripping of executables and shared libraries
382 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
383 2 causes a slowdown at runtime.
384 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
385 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
386 leaks and errors, using the specified valgrind binary.
387 Cannot be combined with --target-exec
388 --enable-ftrapv Trap arithmetic overflows
389 --samples=PATH location of test samples for FATE, if not set use
390 \$FATE_SAMPLES at make invocation time.
391 --enable-neon-clobber-test check NEON registers for clobbering (should be
392 used only for debugging purposes)
393 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
394 should be used only for debugging purposes)
395 --enable-random randomly enable/disable components
397 --enable-random=LIST randomly enable/disable specific components or
398 --disable-random=LIST component groups. LIST is a comma-separated list
399 of NAME[:PROB] entries where NAME is a component
400 (group) and PROB the probability associated with
402 --random-seed=VALUE seed value for --enable/disable-random
403 --disable-valgrind-backtrace do not print a backtrace under Valgrind
404 (only applies to --disable-optimizations builds)
406 NOTE: Object files are built at the place where configure is launched.
414 echo "$@" >> $logfile
419 pr -n -t $1 >> $logfile
430 WARNINGS="${WARNINGS}WARNING: $*\n"
437 If you think configure made a mistake, make sure you are using the latest
438 version from Git. If the latest version fails, report the problem to the
439 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
441 if disabled logging; then
443 Rerun configure with logging enabled (do not use --disable-logging), and
444 include the log this produces with your report.
448 Include the log file "$logfile" produced by configure as this will help
455 # Avoid locale weirdness, besides we really just want to translate ASCII.
457 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
461 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
465 echo "$*" | sed 's/["\\]/\\\0/g'
469 v=$(echo "$1" | sed "s/'/'\\\\''/g")
470 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
475 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\\r//g'
482 eval "case $v in $pat) echo $v ;; esac"
490 eval "case $v in $pat) ;; *) echo $v ;; esac"
497 for v; do eval $m; done
503 for v; do echo ${v}${suffix}; done
518 eval : \${$var:=$value}
523 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
529 eval $(sanitize_var_name "$var")='$*'
533 eval echo \$$(sanitize_var_name "$1")
538 eval level=\${${pvar}_level:=0}
539 eval ${pvar}_${level}="\$$pvar"
540 eval ${pvar}_level=$(($level+1))
546 eval level=\${${pvar}_level:-0}
547 test $level = 0 && continue
548 eval level=$(($level-1))
549 eval $pvar="\${${pvar}_${level}}"
550 eval ${pvar}_level=$level
551 eval unset ${pvar}_${level}
573 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
579 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
585 enabled $var && continue
586 eval sel="\$${var}_select"
587 eval sgs="\$${var}_suggest"
591 enable_deep_weak $sgs
603 disabled $var && continue
612 test "${1#!}" = "$1" && op== || op=!=
613 eval test "x\$${1#!}" $op "xyes"
617 test "${1#!}" = "$1" && op== || op=!=
618 eval test "x\$${1#!}" $op "xno"
623 enabled $opt || return 1
629 disabled $opt || return 1
635 enabled $opt && return 0
641 disabled $opt && return 0
648 eval : \${$opt:=\$${opt}_default}
656 [ $var = $value ] && return 0
664 enabled ${cfg}_checking && die "Circular dependency for $cfg."
665 disabled ${cfg}_checking && continue
666 enable ${cfg}_checking
669 eval dep_all="\$${cfg}_deps"
670 eval dep_any="\$${cfg}_deps_any"
671 eval dep_sel="\$${cfg}_select"
672 eval dep_sgs="\$${cfg}_suggest"
673 eval dep_ifa="\$${cfg}_if"
674 eval dep_ifn="\$${cfg}_if_any"
676 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
677 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
678 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
680 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
681 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
682 enabled_all $dep_all || disable $cfg
683 enabled_any $dep_any || disable $cfg
684 disabled_any $dep_sel && disable $cfg
686 if enabled $cfg; then
688 enable_deep_weak $dep_sgs
691 disable ${cfg}_checking
700 for cfg in $allopts; do
701 enabled $cfg || continue
702 eval dep_extralibs="\$${cfg}_extralibs"
703 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
711 map 'eval echo "$v \${$v:-no}"' "$@" |
712 awk "BEGIN { split(\"$files\", files) }
714 c = \"$pfx\" toupper(\$1);
720 if (file ~ /\\.h\$/) {
721 printf(\"#define %s %d\\n\", c, v) >>file;
722 } else if (file ~ /\\.asm\$/) {
723 printf(\"%%define %s %d\\n\", c, v) >>file;
724 } else if (file ~ /\\.mak\$/) {
725 n = -v ? \"\" : \"!\";
726 printf(\"%s%s=yes\\n\", n, c) >>file;
727 } else if (file ~ /\\.texi\$/) {
728 pre = -v ? \"\" : \"@c \";
731 gsub(/_/, \"-\", c2);
732 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
742 enabled $v && printf "%s\n" ${v%$suf};
749 eval "$var=\"\$$var $*\""
755 eval "$var=\"$* \$$var\""
761 for tok in $(eval echo \$$var); do
762 uniq_list="$(filter_out $tok $uniq_list) $tok"
764 eval "$var=\"${uniq_list}\""
772 append CFLAGS $($cflags_filter "$@")
776 append CXXFLAGS $($cflags_filter "$@")
780 append ASFLAGS $($asflags_filter "$@")
784 append LDFLAGS $($ldflags_filter "$@")
788 append LDEXEFLAGS $($ldflags_filter "$@")
792 append ASMSTRIPFLAGS "$@"
796 prepend extralibs $($ldflags_filter "$@")
800 append host_cppflags "$@"
804 append host_cflags $($host_cflags_filter "$@")
808 append host_ldflags $($host_ldflags_filter "$@")
812 append compat_objs $1
814 map 'add_cppflags -D$v' "$@"
819 "$@" >> $logfile 2>&1
824 stat "$1" >> $logfile 2>&1
828 eval printf '%s\\n' $CC_O
832 eval printf '%s\\n' $CC_E
839 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
846 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
853 check_cmd $cc -Werror=missing-prototypes $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPM
860 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
864 eval printf '%s\\n' $AS_O
871 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
875 log check_inline_asm "$@"
880 check_cc "$@" <<EOF && enable $name
881 void foo(void){ __asm__ volatile($code); }
887 check_inline_asm ${1}_inline "\"$2\""
888 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
896 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
900 eval printf '%s\\n' $LD_O
907 flags=$(filter_out '-l*|*.so' $@)
908 libs=$(filter '-l*|*.so' $@)
909 check_$type $($cflags_filter $flags) || return
910 flags=$($ldflags_filter $flags)
911 libs=$($ldflags_filter $libs)
912 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
917 test "${hdr%.h}" = "${hdr}" &&
918 echo "#include $hdr" ||
919 echo "#include <$hdr>"
929 for hdr in $headers; do
932 echo "int main(void) { $code; return 0; }"
933 } | check_$check "$@"
937 log check_cppflags "$@"
938 check_cc "$@" <<EOF && append CPPFLAGS "$@"
945 set -- $($cflags_filter "$@")
952 log check_cflags "$@"
953 test_cflags "$@" && add_cflags "$@"
957 log check_cxxflags "$@"
958 set -- $($cflags_filter "$@")
959 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
965 log test_ldflags "$@"
966 check_ld "cc" "$@" <<EOF
967 int main(void){ return 0; }
972 log check_ldflags "$@"
973 test_ldflags "$@" && add_ldflags "$@"
977 log test_stripflags "$@"
978 # call check_cc to get a fresh TMPO
980 int main(void) { return 0; }
982 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
986 log check_stripflags "$@"
987 test_stripflags "$@" && add_stripflags "$@"
991 log check_header "$@"
995 check_cpp "$@" <<EOF && enable_safe $header
1002 log check_header_oc "$@"
1006 disable_safe $header
1008 echo "#include <$header>"
1009 echo "int main(void) { return 0; }"
1010 } | check_oc && check_stat "$TMPO" && enable_safe $headers
1018 check_ld "cc" "$@" <<EOF && enable $func
1020 int main(void){ $func(); }
1025 log check_mathfunc "$@"
1029 test $narg = 2 && args="f, g" || args="f"
1031 check_ld "cc" "$@" <<EOF && enable $func
1033 float foo(float f, float g) { return $func($args); }
1034 int main(void){ return (int) foo; }
1038 check_func_headers(){
1039 log check_func_headers "$@"
1044 for hdr in $headers; do
1047 for func in $funcs; do
1048 echo "long check_$func(void) { return (long) $func; }"
1050 echo "int main(void) { return 0; }"
1051 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1054 check_class_headers_cpp(){
1055 log check_class_headers_cpp "$@"
1060 for hdr in $headers; do
1061 echo "#include <$hdr>"
1063 echo "int main(void) { "
1065 for class in $classes; do
1066 echo "$class obj$i;"
1070 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1073 check_cpp_condition(){
1074 log check_cpp_condition "$@"
1078 check_cpp "$@" <<EOF
1081 #error "unsatisfied condition: $condition"
1091 check_header $header && check_func $func "$@" && add_extralibs "$@"
1099 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1103 log check_lib_cpp "$@"
1107 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1111 log check_pkg_config "$@"
1117 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1118 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1119 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1120 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1121 set_safe ${pkg}_cflags $pkg_cflags &&
1122 set_safe ${pkg}_libs $pkg_libs
1126 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1132 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1133 # are safe but may not be available everywhere. Thus we use
1134 # raise(SIGTERM) instead. The check is run in a subshell so we
1135 # can redirect the "Terminated" message from the shell. SIGBUS
1136 # is not defined by standard C so it is used conditionally.
1138 (check_exec "$@") >> $logfile 2>&1 <<EOF
1140 static void sighandler(int sig){
1146 int (*func_ptr)(void) = foo;
1148 signal(SIGILL, sighandler);
1149 signal(SIGFPE, sighandler);
1150 signal(SIGSEGV, sighandler);
1152 signal(SIGBUS, sighandler);
1164 disable_safe "$type"
1165 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1169 log check_struct "$@"
1174 disable_safe "${struct}_${member}"
1175 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1176 enable_safe "${struct}_${member}"
1180 log check_builtin "$@"
1186 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1189 check_compile_assert(){
1190 log check_compile_assert "$@"
1196 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1204 check_lib $header $func "$@" || die "ERROR: $name not found"
1212 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1220 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1225 check_pkg_config "$@" || return 1
1226 add_cflags $(get_safe ${pkg}_cflags)
1227 add_extralibs $(get_safe ${pkg}_libs)
1230 require_pkg_config(){
1231 use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"
1234 require_libfreetype(){
1235 log require_libfreetype "$@"
1237 check_cmd $pkg_config --exists --print-errors $pkg \
1238 || die "ERROR: $pkg not found"
1239 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1240 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1242 echo "#include <ft2build.h>"
1243 echo "#include FT_FREETYPE_H"
1244 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1245 echo "int main(void) { return 0; }"
1246 } | check_ld "cc" $pkg_cflags $pkg_libs \
1247 && set_safe ${pkg}_cflags $pkg_cflags \
1248 && set_safe ${pkg}_libs $pkg_libs \
1249 || die "ERROR: $pkg not found"
1250 add_cflags $(get_safe ${pkg}_cflags)
1251 add_extralibs $(get_safe ${pkg}_libs)
1255 eval printf '%s\\n' $HOSTCC_E
1259 eval printf '%s\\n' $HOSTCC_O
1263 log check_host_cc "$@"
1266 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1270 log check_host_cpp "$@"
1273 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1276 check_host_cppflags(){
1277 log check_host_cppflags "$@"
1278 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1283 check_host_cflags(){
1284 log check_host_cflags "$@"
1285 set -- $($host_cflags_filter "$@")
1286 check_host_cc "$@" <<EOF && append host_cflags "$@"
1291 check_host_cpp_condition(){
1292 log check_host_cpp_condition "$@"
1296 check_host_cpp "$@" <<EOF
1299 #error "unsatisfied condition: $condition"
1307 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1311 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1312 mkdir -p "$(dirname $2)"
1316 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1317 # system-dependent things.
1334 avio_reading_example
1335 avio_list_dir_example
1336 decoding_encoding_example
1337 demuxing_decoding_example
1339 filter_audio_example
1340 filtering_audio_example
1341 filtering_video_example
1346 resampling_audio_example
1347 scaling_video_example
1348 transcode_aac_example
1352 EXTERNAL_LIBRARY_LIST="
1448 safe_bitstream_reader
1508 $EXTERNAL_LIBRARY_LIST
1516 incompatible_libav_abi
1578 ARCH_EXT_LIST_MIPS="
1588 ARCH_EXT_LIST_LOONGSON="
1592 ARCH_EXT_LIST_X86_SIMD="
1619 $ARCH_EXT_LIST_X86_SIMD
1629 $ARCH_EXT_LIST_LOONGSON
1645 atomic_compare_exchange
1651 sync_val_compare_and_swap
1662 incompatible_libav_abi
1671 cdio_paranoia_paranoia_h
1672 dev_bktr_ioctl_bt848_h
1673 dev_bktr_ioctl_meteor_h
1675 dev_video_bktr_ioctl_bt848_h
1676 dev_video_meteor_ioctl_meteor_h
1685 machine_ioctl_bt848_h
1686 machine_ioctl_meteor_h
1688 openjpeg_1_5_openjpeg_h
1756 GetProcessAffinityMask
1757 GetProcessMemoryInfo
1761 GetSystemTimeAsFileTime
1768 jack_port_get_latency_range
1783 SetConsoleTextAttribute
1795 TOOLCHAIN_FEATURES="
1808 inline_asm_nonlocal_labels
1809 inline_asm_direct_symbol_refs
1820 CONDITION_VARIABLE_Ptr
1825 struct_group_source_req
1826 struct_ip_mreq_source
1829 struct_rusage_ru_maxrss
1830 struct_sctp_event_subscribe
1832 struct_sockaddr_sa_len
1833 struct_sockaddr_storage
1834 struct_stat_st_mtim_tv_nsec
1835 struct_v4l2_frmivalenum_discrete
1840 $(add_suffix _external $ARCH_EXT_LIST)
1841 $(add_suffix _inline $ARCH_EXT_LIST)
1876 # options emitted with CONFIG_ prefix but not available on the command line
1891 frame_thread_encoder
2019 # code dependency declarations
2021 # architecture extensions
2026 armv8_deps="aarch64"
2027 neon_deps_any="aarch64 arm"
2028 intrinsics_neon_deps="neon"
2029 vfp_deps_any="aarch64 arm"
2033 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2036 mipsdspr1_deps="mips"
2037 mipsdspr2_deps="mips"
2038 mips32r2_deps="mips"
2039 mips32r5_deps="mips"
2040 mips64r6_deps="mips"
2042 loongson3_deps="mips"
2051 x86_64_select="i686"
2052 x86_64_suggest="fast_cmov"
2055 amd3dnowext_deps="amd3dnow"
2071 mmx_external_deps="yasm"
2072 mmx_inline_deps="inline_asm"
2073 mmx_suggest="mmx_external mmx_inline"
2075 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2076 eval dep=\$${ext}_deps
2077 eval ${ext}_external_deps='"${dep}_external"'
2078 eval ${ext}_inline_deps='"${dep}_inline"'
2079 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2082 aligned_stack_if_any="aarch64 ppc x86"
2083 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2084 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2085 fast_unaligned_if_any="aarch64 ppc x86"
2086 simd_align_16_if_any="altivec neon sse"
2088 # system capabilities
2089 symver_if_any="symver_asm_label symver_gnu_asm"
2090 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
2093 atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"
2094 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2095 atomics_win32_if="MemoryBarrier"
2096 atomics_native_if_any="$ATOMICS_LIST"
2097 w32threads_deps="atomics_native"
2098 threads_if_any="$THREADS_LIST"
2102 error_resilience_select="me_cmp"
2103 faandct_deps="faan fdctdsp"
2104 faanidct_deps="faan idctdsp"
2105 frame_thread_encoder_deps="encoders threads"
2106 intrax8_select="error_resilience"
2109 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2110 mpeg_er_select="error_resilience"
2111 mpegaudio_select="mpegaudiodsp"
2112 mpegaudiodsp_select="dct"
2113 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp videodsp"
2114 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2118 # decoders / encoders
2119 aac_decoder_select="imdct15 mdct sinewin"
2120 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
2121 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2122 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2123 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2124 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2125 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2126 aic_decoder_select="golomb idctdsp"
2127 alac_encoder_select="lpc"
2128 als_decoder_select="bswapdsp"
2129 amrnb_decoder_select="lsp"
2130 amrwb_decoder_select="lsp"
2131 amv_decoder_select="sp5x_decoder exif"
2132 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2133 ape_decoder_select="bswapdsp llauddsp"
2134 apng_decoder_select="zlib"
2135 apng_encoder_select="huffyuvencdsp zlib"
2136 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2137 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2138 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2139 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2140 atrac1_decoder_select="mdct sinewin"
2141 atrac3_decoder_select="mdct"
2142 atrac3p_decoder_select="mdct sinewin"
2143 avrn_decoder_select="exif jpegtables"
2144 bink_decoder_select="blockdsp hpeldsp"
2145 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2146 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2147 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2148 cllc_decoder_select="bswapdsp"
2149 comfortnoise_encoder_select="lpc"
2150 cook_decoder_select="audiodsp mdct sinewin"
2151 cscd_decoder_select="lzo"
2152 cscd_decoder_suggest="zlib"
2153 dca_decoder_select="fmtconvert mdct"
2154 dirac_decoder_select="dwt golomb videodsp mpegvideoenc"
2155 dnxhd_decoder_select="blockdsp idctdsp"
2156 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2157 dvvideo_decoder_select="dvprofile idctdsp"
2158 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2159 dxa_decoder_select="zlib"
2160 eac3_decoder_select="ac3_decoder"
2161 eac3_encoder_select="ac3_encoder"
2162 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2163 eatgq_decoder_select="aandcttables"
2164 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
2165 exr_decoder_select="zlib"
2166 ffv1_decoder_select="golomb rangecoder"
2167 ffv1_encoder_select="rangecoder"
2168 ffvhuff_decoder_select="huffyuv_decoder"
2169 ffvhuff_encoder_select="huffyuv_encoder"
2170 fic_decoder_select="golomb"
2171 flac_decoder_select="golomb"
2172 flac_encoder_select="bswapdsp golomb lpc"
2173 flashsv_decoder_select="zlib"
2174 flashsv_encoder_select="zlib"
2175 flashsv2_encoder_select="zlib"
2176 flashsv2_decoder_select="zlib"
2177 flv_decoder_select="h263_decoder"
2178 flv_encoder_select="h263_encoder"
2179 fourxm_decoder_select="blockdsp bswapdsp"
2180 fraps_decoder_select="bswapdsp huffman"
2181 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2182 g729_decoder_select="audiodsp"
2183 h261_decoder_select="mpeg_er mpegvideo"
2184 h261_encoder_select="aandcttables mpegvideoenc"
2185 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
2186 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2187 h263i_decoder_select="h263_decoder"
2188 h263p_decoder_select="h263_decoder"
2189 h263p_encoder_select="h263_encoder"
2190 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
2191 h264_decoder_suggest="error_resilience"
2192 h264_qsv_decoder_deps="libmfx"
2193 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2194 h264_qsv_encoder_deps="libmfx"
2195 h264_qsv_encoder_select="qsvenc"
2196 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2197 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2198 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
2199 iac_decoder_select="imc_decoder"
2200 imc_decoder_select="bswapdsp fft mdct sinewin"
2201 indeo3_decoder_select="hpeldsp"
2202 interplay_video_decoder_select="hpeldsp"
2203 jpegls_decoder_select="golomb mjpeg_decoder"
2204 jpegls_encoder_select="golomb"
2205 jv_decoder_select="blockdsp"
2206 lagarith_decoder_select="huffyuvdsp"
2207 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2208 loco_decoder_select="golomb"
2209 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2210 metasound_decoder_select="lsp mdct sinewin"
2211 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2212 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2213 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2214 mjpegb_decoder_select="mjpeg_decoder"
2215 mlp_decoder_select="mlp_parser"
2216 motionpixels_decoder_select="bswapdsp"
2217 mp1_decoder_select="mpegaudio"
2218 mp1float_decoder_select="mpegaudio"
2219 mp2_decoder_select="mpegaudio"
2220 mp2float_decoder_select="mpegaudio"
2221 mp3_decoder_select="mpegaudio"
2222 mp3adu_decoder_select="mpegaudio"
2223 mp3adufloat_decoder_select="mpegaudio"
2224 mp3float_decoder_select="mpegaudio"
2225 mp3on4_decoder_select="mpegaudio"
2226 mp3on4float_decoder_select="mpegaudio"
2227 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2228 mpc8_decoder_select="mpegaudiodsp"
2229 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2230 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2231 mpegvideo_decoder_select="error_resilience mpeg_er mpegvideo"
2232 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2233 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2234 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2235 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2236 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2237 mpeg4_encoder_select="h263_encoder"
2238 msmpeg4v1_decoder_select="h263_decoder"
2239 msmpeg4v2_decoder_select="h263_decoder"
2240 msmpeg4v2_encoder_select="h263_encoder"
2241 msmpeg4v3_decoder_select="h263_decoder"
2242 msmpeg4v3_encoder_select="h263_encoder"
2243 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
2244 mxpeg_decoder_select="mjpeg_decoder"
2245 nellymoser_decoder_select="mdct sinewin"
2246 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2247 nuv_decoder_select="idctdsp lzo"
2248 on2avc_decoder_select="mdct"
2249 opus_decoder_deps="swresample"
2250 opus_decoder_select="imdct15"
2251 png_decoder_select="zlib"
2252 png_encoder_select="huffyuvencdsp zlib"
2253 prores_decoder_select="blockdsp idctdsp"
2254 prores_encoder_select="fdctdsp"
2255 qcelp_decoder_select="lsp"
2256 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2257 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2258 ra_144_decoder_select="audiodsp"
2259 ralf_decoder_select="golomb"
2260 rawvideo_decoder_select="bswapdsp"
2261 rtjpeg_decoder_select="me_cmp"
2262 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2263 rv10_encoder_select="h263_encoder"
2264 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2265 rv20_encoder_select="h263_encoder"
2266 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
2267 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
2268 shorten_decoder_select="golomb"
2269 sipr_decoder_select="lsp"
2270 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2271 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2272 sonic_decoder_select="golomb rangecoder"
2273 sonic_encoder_select="golomb rangecoder"
2274 sonic_ls_encoder_select="golomb rangecoder"
2275 sp5x_decoder_select="mjpeg_decoder"
2276 svq1_decoder_select="hpeldsp"
2277 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2278 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2279 svq3_decoder_suggest="zlib"
2280 tak_decoder_select="audiodsp"
2281 tdsc_decoder_select="zlib mjpeg_decoder"
2282 theora_decoder_select="vp3_decoder"
2283 thp_decoder_select="mjpeg_decoder"
2284 tiff_decoder_suggest="zlib lzma"
2285 tiff_encoder_suggest="zlib"
2286 truehd_decoder_select="mlp_parser"
2287 truemotion2_decoder_select="bswapdsp"
2288 truespeech_decoder_select="bswapdsp"
2289 tscc_decoder_select="zlib"
2290 twinvq_decoder_select="mdct lsp sinewin"
2291 utvideo_decoder_select="bswapdsp"
2292 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2293 vble_decoder_select="huffyuvdsp"
2294 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
2295 vc1image_decoder_select="vc1_decoder"
2296 vorbis_decoder_select="mdct"
2297 vorbis_encoder_select="mdct"
2298 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2299 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
2300 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
2301 vp6a_decoder_select="vp6_decoder"
2302 vp6f_decoder_select="vp6_decoder"
2303 vp7_decoder_select="h264pred videodsp"
2304 vp8_decoder_select="h264pred videodsp"
2305 vp9_decoder_select="videodsp vp9_parser"
2306 webp_decoder_select="vp8_decoder"
2307 wmalossless_decoder_select="llauddsp"
2308 wmapro_decoder_select="mdct sinewin wma_freqs"
2309 wmav1_decoder_select="mdct sinewin wma_freqs"
2310 wmav1_encoder_select="mdct sinewin wma_freqs"
2311 wmav2_decoder_select="mdct sinewin wma_freqs"
2312 wmav2_encoder_select="mdct sinewin wma_freqs"
2313 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2314 wmv1_decoder_select="h263_decoder"
2315 wmv1_encoder_select="h263_encoder"
2316 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"
2317 wmv2_encoder_select="h263_encoder"
2318 wmv3_decoder_select="vc1_decoder"
2319 wmv3image_decoder_select="wmv3_decoder"
2320 zerocodec_decoder_select="zlib"
2321 zlib_decoder_select="zlib"
2322 zlib_encoder_select="zlib"
2323 zmbv_decoder_select="zlib"
2324 zmbv_encoder_select="zlib"
2326 # hardware accelerators
2327 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2328 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2329 dxva2_deps="dxva2api_h"
2330 vaapi_deps="va_va_h"
2331 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2332 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2333 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2334 xvmc_deps="X11_extensions_XvMClib_h"
2336 h263_vaapi_hwaccel_deps="vaapi"
2337 h263_vaapi_hwaccel_select="h263_decoder"
2338 h263_vdpau_hwaccel_deps="vdpau"
2339 h263_vdpau_hwaccel_select="h263_decoder"
2340 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2341 h264_d3d11va_hwaccel_deps="d3d11va"
2342 h264_d3d11va_hwaccel_select="h264_decoder"
2343 h264_dxva2_hwaccel_deps="dxva2"
2344 h264_dxva2_hwaccel_select="h264_decoder"
2345 h264_mmal_decoder_deps="mmal"
2346 h264_mmal_hwaccel_deps="mmal"
2347 h264_mmal_decoder_select="h264_decoder"
2348 h264_mmal_encoder_deps="mmal"
2349 h264_qsv_hwaccel_deps="libmfx"
2350 h264_vaapi_hwaccel_deps="vaapi"
2351 h264_vaapi_hwaccel_select="h264_decoder"
2352 h264_vda_decoder_deps="vda"
2353 h264_vda_decoder_select="h264_decoder"
2354 h264_vda_hwaccel_deps="vda"
2355 h264_vda_hwaccel_select="h264_decoder"
2356 h264_vda_old_hwaccel_deps="vda"
2357 h264_vda_old_hwaccel_select="h264_decoder"
2358 h264_vdpau_decoder_deps="vdpau"
2359 h264_vdpau_decoder_select="h264_decoder"
2360 h264_vdpau_hwaccel_deps="vdpau"
2361 h264_vdpau_hwaccel_select="h264_decoder"
2362 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2363 hevc_d3d11va_hwaccel_select="hevc_decoder"
2364 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2365 hevc_dxva2_hwaccel_select="hevc_decoder"
2366 mpeg_vdpau_decoder_deps="vdpau"
2367 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2368 mpeg_xvmc_hwaccel_deps="xvmc"
2369 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2370 mpeg1_vdpau_decoder_deps="vdpau"
2371 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2372 mpeg1_vdpau_hwaccel_deps="vdpau"
2373 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2374 mpeg1_xvmc_hwaccel_deps="xvmc"
2375 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2376 mpeg2_crystalhd_decoder_select="crystalhd"
2377 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2378 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2379 mpeg2_dxva2_hwaccel_deps="dxva2"
2380 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2381 mpeg2_vaapi_hwaccel_deps="vaapi"
2382 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2383 mpeg2_vdpau_hwaccel_deps="vdpau"
2384 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2385 mpeg2_xvmc_hwaccel_deps="xvmc"
2386 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2387 mpeg4_crystalhd_decoder_select="crystalhd"
2388 mpeg4_vaapi_hwaccel_deps="vaapi"
2389 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2390 mpeg4_vdpau_decoder_deps="vdpau"
2391 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2392 mpeg4_vdpau_hwaccel_deps="vdpau"
2393 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2394 msmpeg4_crystalhd_decoder_select="crystalhd"
2395 vc1_crystalhd_decoder_select="crystalhd"
2396 vc1_d3d11va_hwaccel_deps="d3d11va"
2397 vc1_d3d11va_hwaccel_select="vc1_decoder"
2398 vc1_dxva2_hwaccel_deps="dxva2"
2399 vc1_dxva2_hwaccel_select="vc1_decoder"
2400 vc1_vaapi_hwaccel_deps="vaapi"
2401 vc1_vaapi_hwaccel_select="vc1_decoder"
2402 vc1_vdpau_decoder_deps="vdpau"
2403 vc1_vdpau_decoder_select="vc1_decoder"
2404 vc1_vdpau_hwaccel_deps="vdpau"
2405 vc1_vdpau_hwaccel_select="vc1_decoder"
2406 wmv3_crystalhd_decoder_select="crystalhd"
2407 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2408 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2409 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2410 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2411 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2414 h264_parser_select="h264_decoder"
2415 hevc_parser_select="hevc_decoder"
2416 mpegvideo_parser_select="mpegvideo"
2417 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
2418 vc1_parser_select="mpegvideo startcode vc1_decoder"
2421 mjpeg2jpeg_bsf_select="jpegtables"
2423 # external libraries
2424 libaacplus_encoder_deps="libaacplus"
2425 libcelt_decoder_deps="libcelt"
2426 libdcadec_decoder_deps="libdcadec"
2427 libfaac_encoder_deps="libfaac"
2428 libfaac_encoder_select="audio_frame_queue"
2429 libfdk_aac_decoder_deps="libfdk_aac"
2430 libfdk_aac_encoder_deps="libfdk_aac"
2431 libfdk_aac_encoder_select="audio_frame_queue"
2432 libgme_demuxer_deps="libgme"
2433 libgsm_decoder_deps="libgsm"
2434 libgsm_encoder_deps="libgsm"
2435 libgsm_ms_decoder_deps="libgsm"
2436 libgsm_ms_encoder_deps="libgsm"
2437 libilbc_decoder_deps="libilbc"
2438 libilbc_encoder_deps="libilbc"
2439 libmodplug_demuxer_deps="libmodplug"
2440 libmp3lame_encoder_deps="libmp3lame"
2441 libmp3lame_encoder_select="audio_frame_queue"
2442 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2443 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2444 libopencore_amrnb_encoder_select="audio_frame_queue"
2445 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2446 libopenh264_encoder_deps="libopenh264"
2447 libopenjpeg_decoder_deps="libopenjpeg"
2448 libopenjpeg_encoder_deps="libopenjpeg"
2449 libopus_decoder_deps="libopus"
2450 libopus_encoder_deps="libopus"
2451 libopus_encoder_select="audio_frame_queue"
2452 libquvi_demuxer_deps="libquvi"
2453 libschroedinger_decoder_deps="libschroedinger"
2454 libschroedinger_encoder_deps="libschroedinger"
2455 libshine_encoder_deps="libshine"
2456 libshine_encoder_select="audio_frame_queue"
2457 libspeex_decoder_deps="libspeex"
2458 libspeex_encoder_deps="libspeex"
2459 libspeex_encoder_select="audio_frame_queue"
2460 libstagefright_h264_decoder_deps="libstagefright_h264"
2461 libtheora_encoder_deps="libtheora"
2462 libtwolame_encoder_deps="libtwolame"
2463 libvo_aacenc_encoder_deps="libvo_aacenc"
2464 libvo_aacenc_encoder_select="audio_frame_queue"
2465 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2466 libvorbis_decoder_deps="libvorbis"
2467 libvorbis_encoder_deps="libvorbis"
2468 libvorbis_encoder_select="audio_frame_queue"
2469 libvpx_vp8_decoder_deps="libvpx"
2470 libvpx_vp8_encoder_deps="libvpx"
2471 libvpx_vp9_decoder_deps="libvpx"
2472 libvpx_vp9_encoder_deps="libvpx"
2473 libwavpack_encoder_deps="libwavpack"
2474 libwebp_encoder_deps="libwebp"
2475 libwebp_anim_encoder_deps="libwebp"
2476 libx264_encoder_deps="libx264"
2477 libx264rgb_encoder_deps="libx264"
2478 libx264rgb_encoder_select="libx264_encoder"
2479 libx265_encoder_deps="libx265"
2480 libxavs_encoder_deps="libxavs"
2481 libxvid_encoder_deps="libxvid"
2482 libutvideo_decoder_deps="libutvideo"
2483 libutvideo_encoder_deps="libutvideo"
2484 libzvbi_teletext_decoder_deps="libzvbi"
2485 nvenc_encoder_deps="nvenc"
2486 nvenc_h265_encoder_deps="nvenc"
2489 ac3_demuxer_select="ac3_parser"
2490 asf_demuxer_select="riffdec"
2491 asf_muxer_select="riffenc"
2492 asf_stream_muxer_select="asf_muxer"
2493 avi_demuxer_select="riffdec exif"
2494 avi_muxer_select="riffenc"
2495 avisynth_demuxer_deps="avisynth"
2496 avisynth_demuxer_select="riffdec"
2497 caf_demuxer_select="riffdec"
2498 dash_muxer_select="mp4_muxer"
2499 dirac_demuxer_select="dirac_parser"
2500 dts_demuxer_select="dca_parser"
2501 dtshd_demuxer_select="dca_parser"
2502 dv_demuxer_select="dvprofile"
2503 dv_muxer_select="dvprofile"
2504 dxa_demuxer_select="riffdec"
2505 eac3_demuxer_select="ac3_parser"
2506 f4v_muxer_select="mov_muxer"
2507 flac_demuxer_select="flac_parser"
2508 hds_muxer_select="flv_muxer"
2509 hls_muxer_select="mpegts_muxer"
2510 image2_alias_pix_demuxer_select="image2_demuxer"
2511 image2_brender_pix_demuxer_select="image2_demuxer"
2512 ipod_muxer_select="mov_muxer"
2513 ismv_muxer_select="mov_muxer"
2514 libnut_demuxer_deps="libnut"
2515 libnut_muxer_deps="libnut"
2516 matroska_audio_muxer_select="matroska_muxer"
2517 matroska_demuxer_select="riffdec"
2518 matroska_demuxer_suggest="bzlib lzo zlib"
2519 matroska_muxer_select="riffenc"
2520 mmf_muxer_select="riffenc"
2521 mov_demuxer_select="riffdec"
2522 mov_demuxer_suggest="zlib"
2523 mov_muxer_select="riffenc rtpenc_chain"
2524 mp3_demuxer_select="mpegaudio_parser"
2525 mp4_muxer_select="mov_muxer"
2526 mpegts_muxer_select="adts_muxer latm_muxer"
2527 mpegtsraw_demuxer_select="mpegts_demuxer"
2528 mxf_d10_muxer_select="mxf_muxer"
2529 mxf_opatom_muxer_select="mxf_muxer"
2530 nut_muxer_select="riffenc"
2531 nuv_demuxer_select="riffdec"
2532 oga_muxer_select="ogg_muxer"
2533 ogg_demuxer_select="golomb"
2534 opus_muxer_select="ogg_muxer"
2535 psp_muxer_select="mov_muxer"
2536 rtp_demuxer_select="sdp_demuxer"
2537 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2538 rtsp_demuxer_select="http_protocol rtpdec"
2539 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2540 sap_demuxer_select="sdp_demuxer"
2541 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2542 sdp_demuxer_select="rtpdec"
2543 smoothstreaming_muxer_select="ismv_muxer"
2544 spdif_muxer_select="aac_parser"
2545 spx_muxer_select="ogg_muxer"
2546 tak_demuxer_select="tak_parser"
2547 tg2_muxer_select="mov_muxer"
2548 tgp_muxer_select="mov_muxer"
2549 vobsub_demuxer_select="mpegps_demuxer"
2550 w64_demuxer_select="wav_demuxer"
2551 w64_muxer_select="wav_muxer"
2552 wav_demuxer_select="riffdec"
2553 wav_muxer_select="riffenc"
2554 webm_muxer_select="riffenc"
2555 wtv_demuxer_select="riffdec"
2556 wtv_muxer_select="riffenc"
2557 xmv_demuxer_select="riffdec"
2558 xwma_demuxer_select="riffdec"
2561 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2562 alsa_outdev_deps="alsa_asoundlib_h"
2563 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2564 avfoundation_indev_select="avfoundation"
2565 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2566 caca_outdev_deps="libcaca"
2567 decklink_outdev_deps="decklink pthreads"
2568 decklink_outdev_extralibs="-lstdc++"
2569 decklink_indev_deps="decklink pthreads"
2570 decklink_indev_extralibs="-lstdc++"
2571 dshow_indev_deps="IBaseFilter"
2572 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
2573 dv1394_indev_deps="dv1394"
2574 dv1394_indev_select="dv_demuxer"
2575 fbdev_indev_deps="linux_fb_h"
2576 fbdev_outdev_deps="linux_fb_h"
2577 gdigrab_indev_deps="CreateDIBSection"
2578 gdigrab_indev_extralibs="-lgdi32"
2579 gdigrab_indev_select="bmp_decoder"
2580 iec61883_indev_deps="libiec61883"
2581 jack_indev_deps="jack_jack_h sem_timedwait"
2582 lavfi_indev_deps="avfilter"
2583 libcdio_indev_deps="libcdio"
2584 libdc1394_indev_deps="libdc1394"
2585 libv4l2_indev_deps="libv4l2"
2586 openal_indev_deps="openal"
2587 opengl_outdev_deps="opengl"
2588 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2589 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2590 pulse_indev_deps="libpulse"
2591 pulse_outdev_deps="libpulse"
2592 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2593 qtkit_indev_select="qtkit"
2594 sdl_outdev_deps="sdl"
2595 sndio_indev_deps="sndio_h"
2596 sndio_outdev_deps="sndio_h"
2597 v4l_indev_deps="linux_videodev_h"
2598 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2599 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2600 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2601 vfwcap_indev_extralibs="-lavicap32"
2602 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2603 xv_outdev_extralibs="-lXv -lX11 -lXext"
2604 x11grab_indev_deps="x11grab"
2605 x11grab_xcb_indev_deps="libxcb"
2608 bluray_protocol_deps="libbluray"
2609 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2610 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2611 ffrtmpcrypt_protocol_select="tcp_protocol"
2612 ffrtmphttp_protocol_deps="!librtmp_protocol"
2613 ffrtmphttp_protocol_select="http_protocol"
2614 ftp_protocol_select="tcp_protocol"
2615 gopher_protocol_select="network"
2616 http_protocol_select="tcp_protocol"
2617 httpproxy_protocol_select="tcp_protocol"
2618 https_protocol_select="tls_protocol"
2619 icecast_protocol_select="http_protocol"
2620 librtmp_protocol_deps="librtmp"
2621 librtmpe_protocol_deps="librtmp"
2622 librtmps_protocol_deps="librtmp"
2623 librtmpt_protocol_deps="librtmp"
2624 librtmpte_protocol_deps="librtmp"
2625 libsmbclient_protocol_deps="libsmbclient gplv3"
2626 libssh_protocol_deps="libssh"
2627 mmsh_protocol_select="http_protocol"
2628 mmst_protocol_select="network"
2629 rtmp_protocol_deps="!librtmp_protocol"
2630 rtmp_protocol_select="tcp_protocol"
2631 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2632 rtmps_protocol_deps="!librtmp_protocol"
2633 rtmps_protocol_select="tls_protocol"
2634 rtmpt_protocol_select="ffrtmphttp_protocol"
2635 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2636 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2637 rtp_protocol_select="udp_protocol"
2638 sctp_protocol_deps="struct_sctp_event_subscribe"
2639 sctp_protocol_select="network"
2640 srtp_protocol_select="rtp_protocol"
2641 tcp_protocol_select="network"
2642 tls_securetransport_protocol_deps="securetransport"
2643 tls_gnutls_protocol_deps="gnutls !tls_securetransport_protocol"
2644 tls_openssl_protocol_deps="openssl !tls_securetransport_protocol !tls_gnutls_protocol"
2645 tls_protocol_deps_any="tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
2646 tls_protocol_select="tcp_protocol"
2647 udp_protocol_select="network"
2648 udplite_protocol_select="network"
2649 unix_protocol_deps="sys_un_h"
2650 unix_protocol_select="network"
2653 amovie_filter_deps="avcodec avformat"
2654 aresample_filter_deps="swresample"
2655 ass_filter_deps="libass"
2656 asyncts_filter_deps="avresample"
2657 atempo_filter_deps="avcodec"
2658 atempo_filter_select="rdft"
2659 azmq_filter_deps="libzmq"
2660 blackframe_filter_deps="gpl"
2661 boxblur_filter_deps="gpl"
2662 bs2b_filter_deps="libbs2b"
2663 colormatrix_filter_deps="gpl"
2664 cover_rect_filter_deps="avcodec avformat gpl"
2665 cropdetect_filter_deps="gpl"
2666 delogo_filter_deps="gpl"
2667 deshake_filter_select="pixelutils"
2668 drawtext_filter_deps="libfreetype"
2669 ebur128_filter_deps="gpl"
2670 eq_filter_deps="gpl"
2671 fftfilt_filter_deps="avcodec"
2672 fftfilt_filter_select="rdft"
2673 flite_filter_deps="libflite"
2674 find_rect_filter_deps="avcodec avformat gpl"
2675 frei0r_filter_deps="frei0r dlopen"
2676 frei0r_src_filter_deps="frei0r dlopen"
2677 fspp_filter_deps="gpl"
2678 geq_filter_deps="gpl"
2679 histeq_filter_deps="gpl"
2680 hqdn3d_filter_deps="gpl"
2681 interlace_filter_deps="gpl"
2682 kerndeint_filter_deps="gpl"
2683 ladspa_filter_deps="ladspa dlopen"
2684 mcdeint_filter_deps="avcodec gpl"
2685 movie_filter_deps="avcodec avformat"
2686 mpdecimate_filter_deps="gpl"
2687 mpdecimate_filter_select="pixelutils"
2688 mptestsrc_filter_deps="gpl"
2689 negate_filter_deps="lut_filter"
2690 perspective_filter_deps="gpl"
2691 pp7_filter_deps="gpl"
2692 ocv_filter_deps="libopencv"
2693 owdenoise_filter_deps="gpl"
2694 pan_filter_deps="swresample"
2695 phase_filter_deps="gpl"
2696 pp_filter_deps="gpl postproc"
2697 pullup_filter_deps="gpl"
2698 removelogo_filter_deps="avcodec avformat swscale"
2699 repeatfields_filter_deps="gpl"
2700 resample_filter_deps="avresample"
2701 sab_filter_deps="gpl swscale"
2702 scale_filter_deps="swscale"
2703 select_filter_select="pixelutils"
2704 smartblur_filter_deps="gpl swscale"
2705 showcqt_filter_deps="avcodec"
2706 showcqt_filter_select="fft"
2707 showspectrum_filter_deps="avcodec"
2708 showspectrum_filter_select="rdft"
2709 spp_filter_deps="gpl avcodec"
2710 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
2711 stereo3d_filter_deps="gpl"
2712 subtitles_filter_deps="avformat avcodec libass"
2713 super2xsai_filter_deps="gpl"
2714 tinterlace_filter_deps="gpl"
2715 vidstabdetect_filter_deps="libvidstab"
2716 vidstabtransform_filter_deps="libvidstab"
2717 pixfmts_super2xsai_test_deps="super2xsai_filter"
2718 tinterlace_merge_test_deps="tinterlace_filter"
2719 tinterlace_pad_test_deps="tinterlace_filter"
2720 uspp_filter_deps="gpl avcodec"
2721 zmq_filter_deps="libzmq"
2722 zoompan_filter_deps="swscale"
2725 avio_reading="avformat avcodec avutil"
2726 avio_list_dir="avformat avutil"
2727 avcodec_example_deps="avcodec avutil"
2728 decoding_encoding_example_deps="avcodec avformat avutil"
2729 demuxing_decoding_example_deps="avcodec avformat avutil"
2730 extract_mvs_example_deps="avcodec avformat avutil"
2731 filter_audio_example_deps="avfilter avutil"
2732 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2733 filtering_video_example_deps="avfilter avcodec avformat avutil"
2734 metadata_example_deps="avformat avutil"
2735 muxing_example_deps="avcodec avformat avutil swscale"
2736 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2737 remuxing_example_deps="avcodec avformat avutil"
2738 resampling_audio_example_deps="avutil swresample"
2739 scaling_video_example_deps="avutil swscale"
2740 transcode_aac_example_deps="avcodec avformat swresample"
2741 transcoding_example_deps="avfilter avcodec avformat avutil"
2743 # libraries, in linking order
2744 avcodec_deps="avutil"
2745 avdevice_deps="avformat avcodec avutil"
2746 avfilter_deps="avutil"
2747 avformat_deps="avcodec avutil"
2748 avresample_deps="avutil"
2749 postproc_deps="avutil gpl"
2750 swresample_deps="avutil"
2751 swscale_deps="avutil"
2754 ffmpeg_deps="avcodec avfilter avformat swresample"
2755 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2757 setpts_filter trim_filter"
2758 ffplay_deps="avcodec avformat swscale swresample sdl"
2759 ffplay_libs='$sdl_libs'
2760 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
2761 ffprobe_deps="avcodec avformat"
2762 ffserver_deps="avformat fork sarestart"
2763 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2766 podpages_deps="perl"
2767 manpages_deps="perl pod2man"
2768 htmlpages_deps="perl"
2769 htmlpages_deps_any="makeinfo_html texi2html"
2770 txtpages_deps="perl makeinfo"
2771 doc_deps_any="manpages htmlpages podpages txtpages"
2773 # default parameters
2775 logfile="config.log"
2777 # installation paths
2778 prefix_default="/usr/local"
2779 bindir_default='${prefix}/bin'
2780 datadir_default='${prefix}/share/ffmpeg'
2781 docdir_default='${prefix}/share/doc/ffmpeg'
2782 incdir_default='${prefix}/include'
2783 libdir_default='${prefix}/lib'
2784 mandir_default='${prefix}/share/man'
2790 host_cc_default="gcc"
2792 doxygen_default="doxygen"
2797 pkg_config_default=pkg-config
2798 if ranlib 2>&1 | grep -q "\-D "; then
2799 ranlib_default="ranlib -D"
2801 ranlib_default="ranlib"
2803 strip_default="strip"
2804 yasmexe_default="yasm"
2805 windres_default="windres"
2808 target_os_default=$(tolower $(uname -s))
2809 host_os=$target_os_default
2812 if test "$target_os_default" = aix; then
2813 arch_default=$(uname -p)
2814 strip_default="strip -X32_64"
2816 arch_default=$(uname -m)
2821 # configurable options
2822 enable $PROGRAM_LIST
2823 enable $DOCUMENT_LIST
2824 enable $EXAMPLE_LIST
2825 enable $(filter_out avresample $LIBRARY_LIST)
2831 enable faan faandct faanidct
2832 enable optimizations
2833 enable runtime_cpudetect
2834 enable safe_bitstream_reader
2836 enable swscale_alpha
2837 enable valgrind_backtrace
2839 sws_max_filter_size_default=256
2840 set_default sws_max_filter_size
2842 # Enable hwaccels by default.
2843 enable d3d11va dxva2 vaapi vda vdpau xvmc
2847 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2850 FULLNAME='$(NAME)$(BUILDSUF)'
2851 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2854 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2855 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2856 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2857 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2858 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2859 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2881 host_cflags_filter=echo
2882 host_ldflags_filter=echo
2884 target_path='$(CURDIR)'
2886 # since the object filename is not given with the -MM flag, the compiler
2887 # is only able to print the basename, and we must add the path ourselves
2888 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2892 if test -f configure; then
2895 source_path=$(cd $(dirname "$0"); pwd)
2896 echo "$source_path" | grep -q '[[:blank:]]' &&
2897 die "Out of tree builds are impossible with whitespace in source path."
2898 test -e "$source_path/config.h" &&
2899 die "Out of tree builds are impossible with config.h in source dir."
2906 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2912 file=$source_path/$3
2913 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2916 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2917 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2918 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2919 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2920 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2921 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2922 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2923 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2924 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2925 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2926 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2942 for n in $COMPONENT_LIST; do
2943 v=$(toupper ${n%s})_LIST
2945 eval ${n}_if_any="\$$v"
2948 enable $ARCH_EXT_LIST
2951 echo "Unknown option \"$1\"."
2952 echo "See $0 --help for available options."
2957 cat | tr ' ' '\n' | sort | pr -r -3 -t
2963 echo $* | sed s/$suffix//g | print_3_columns
2975 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2976 echo "prob ${prob:-0.5}"
2984 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2985 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2994 --extra-ldexeflags=*)
2995 add_ldexeflags $optval
2998 add_extralibs $optval
3001 disable $INDEV_LIST $OUTDEV_LIST
3004 debuglevel="$optval"
3007 disable $PROGRAM_LIST
3009 --disable-everything)
3010 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3013 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3014 disable $LIBRARY_LIST $PROGRAM_LIST doc
3016 --enable-random|--disable-random)
3017 action=${opt%%-random}
3018 do_random ${action#--} $COMPONENT_LIST
3020 --enable-random=*|--disable-random=*)
3021 action=${opt%%-random=*}
3022 do_random ${action#--} $optval
3024 --enable-*=*|--disable-*=*)
3025 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3026 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3027 eval list=\$$(toupper $thing)_LIST
3028 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3029 list=$(filter "$name" $list)
3030 [ "$list" = "" ] && warn "Option $opt did not match anything"
3033 --enable-?*|--disable-?*)
3034 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3035 if is_in $option $COMPONENT_LIST; then
3036 test $action = disable && action=unset
3037 eval $action \$$(toupper ${option%s})_LIST
3038 elif is_in $option $CMDLINE_SELECT; then
3045 NAME="${opt#--list-}"
3046 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3048 eval show_list $NAME \$$(toupper $NAME)_LIST
3050 --help|-h) show_help
3052 --fatal-warnings) enable fatal_warnings
3055 optname="${opt%%=*}"
3056 optname="${optname#--}"
3057 optname=$(echo "$optname" | sed 's/-/_/g')
3058 if is_in $optname $CMDLINE_SET; then
3059 eval $optname='$optval'
3060 elif is_in $optname $CMDLINE_APPEND; then
3061 append $optname "$optval"
3069 disabled logging && logfile=/dev/null
3071 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3074 test -n "$valgrind" && toolchain="valgrind-memcheck"
3076 case "$toolchain" in
3079 add_cflags -fsanitize=address
3080 add_ldflags -fsanitize=address
3084 add_cflags -fsanitize=thread -pie
3085 add_ldflags -fsanitize=thread -pie
3089 add_cflags -fsanitize=undefined
3090 add_ldflags -fsanitize=undefined
3094 add_cflags -fsanitize=address
3095 add_ldflags -fsanitize=address
3099 add_cflags -fsanitize=thread -pie -fPIC
3100 add_ldflags -fsanitize=thread -pie -fPIC
3104 add_cflags -fsanitize=undefined
3105 add_ldflags -fsanitize=undefined
3108 target_exec_default=${valgrind:-"valgrind"}
3109 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"
3112 target_exec_default=${valgrind:-"valgrind"}
3113 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3116 # Check whether the current MSVC version needs the C99 converter.
3117 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3118 # support enough of C99 to build ffmpeg. Default to the new
3119 # behaviour if the regexp was unable to match anything, since this
3120 # successfully parses the version number of existing supported
3121 # versions that require the converter (MSVC 2010 and 2012).
3122 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3123 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3126 cc_default="c99wrap cl"
3129 nm_default="dumpbin -symbols"
3131 target_os_default="win32"
3132 # Use a relative path for TMPDIR. This makes sure all the
3133 # ffconf temp files are written with a relative path, avoiding
3134 # issues with msys/win32 path conversion for MSVC parameters
3135 # such as -Fo<file> or -out:<file>.
3141 nm_default="dumpbin -symbols"
3143 target_os_default="win32"
3147 add_cflags -fprofile-arcs -ftest-coverage
3148 add_ldflags -fprofile-arcs -ftest-coverage
3151 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3152 add_cflags -fno-strict-overflow -fstack-protector-all
3153 add_ldflags -Wl,-z,relro -Wl,-z,now
3156 die "Unknown toolchain $toolchain"
3160 test -n "$cross_prefix" && enable cross_compile
3162 if enabled cross_compile; then
3163 test -n "$arch" && test -n "$target_os" ||
3164 die "Must specify target arch and OS when cross-compiling"
3167 ar_default="${cross_prefix}${ar_default}"
3168 cc_default="${cross_prefix}${cc_default}"
3169 cxx_default="${cross_prefix}${cxx_default}"
3170 nm_default="${cross_prefix}${nm_default}"
3171 pkg_config_default="${cross_prefix}${pkg_config_default}"
3172 ranlib_default="${cross_prefix}${ranlib_default}"
3173 strip_default="${cross_prefix}${strip_default}"
3174 windres_default="${cross_prefix}${windres_default}"
3176 sysinclude_default="${sysroot}/usr/include"
3178 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3179 target_exec target_os yasmexe
3180 enabled cross_compile || host_cc_default=$cc
3183 pkg_config_fail_message=""
3184 if ! $pkg_config --version >/dev/null 2>&1; then
3185 warn "$pkg_config not found, library detection may fail."
3187 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3188 pkg_config_fail_message="
3189 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3192 if test $doxygen != $doxygen_default && \
3193 ! $doxygen --version >/dev/null 2>&1; then
3194 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3199 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3203 EXESUF=$(exesuf $target_os)
3204 HOSTEXESUF=$(exesuf $host_os)
3206 # set temporary file name
3207 : ${TMPDIR:=$TEMPDIR}
3211 if [ -n "$tempprefix" ] ; then
3213 echo $tempprefix.${HOSTNAME}.${UID}
3215 elif ! check_cmd mktemp -u XXXXXX; then
3216 # simple replacement for missing mktemp
3217 # NOT SAFE FOR GENERAL USE
3219 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3224 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3225 (set -C; exec > $tmp) 2>/dev/null ||
3226 die "Unable to create temporary file in $TMPDIR."
3227 append TMPFILES $tmp
3231 trap 'rm -f -- $TMPFILES' EXIT
3236 tmpfile TMPE $EXESUF
3248 # make sure we can execute files in $TMPDIR
3249 cat > $TMPSH 2>> $logfile <<EOF
3252 chmod +x $TMPSH >> $logfile 2>&1
3253 if ! $TMPSH >> $logfile 2>&1; then
3255 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3256 variable to another directory and make sure that it is not mounted noexec.
3258 die "Sanity test failed."
3264 # Filter out MSVC cl.exe options from cflags that shouldn't
3265 # be passed to gas-preprocessor
3275 -std=c99) echo -c99 ;;
3276 -mcpu=*) echo -arch ${flag#*=} ;;
3277 -mieee) echo -ieee ;;
3278 -O*|-fast) echo $flag ;;
3279 -fno-math-errno) echo -assume nomath_errno ;;
3281 -Wall) echo -msg_enable level2 ;;
3282 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3283 -Wl,*) echo $flag ;;
3293 -Wno-switch) echo -Wno-switch-enum ;;
3294 -Wno-format-zero-length) ;;
3295 -Wdisabled-optimization) ;;
3296 -Wno-pointer-sign) echo -Wno-other ;;
3302 msvc_common_flags(){
3305 # In addition to specifying certain flags under the compiler
3306 # specific filters, they must be specified here as well or else the
3307 # generic catch all at the bottom will print the original flag.
3311 -fomit-frame-pointer) ;;
3315 -fno-signed-zeros) ;;
3319 -lz) echo zlib.lib ;;
3320 -lavifil32) echo vfw32.lib ;;
3321 -lavicap32) echo vfw32.lib user32.lib ;;
3322 -l*) echo ${flag#-l}.lib ;;
3323 -L*) echo -libpath:${flag#-L} ;;
3330 msvc_common_flags "$@"
3333 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3334 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3335 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3337 -wd4273 -wd4554 -wd4701 ;;
3343 msvc_common_flags "$@"
3346 # Despite what Intel's documentation says -Wall, which is supported
3347 # on Windows, does enable remarks so disable them here.
3348 -Wall) echo $flag -Qdiag-disable:remark ;;
3349 -std=c99) echo -Qstd=c99 ;;
3367 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3368 -fomit-frame-pointer) echo -Mnoframe ;;
3379 case "${flag#*=}" in
3380 native) echo -xtarget=native ;;
3381 v9|niagara) echo -xarch=sparc ;;
3382 ultrasparc) echo -xarch=sparcvis ;;
3383 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3384 i586|pentium) echo -xchip=pentium ;;
3385 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3386 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3387 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3388 pentium4*) echo -xtarget=pentium4 ;;
3389 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3390 *-sse3) echo -xarch=sse3 ;;
3391 core2) echo -xarch=ssse3 -xchip=core2 ;;
3392 bonnell) echo -xarch=ssse3 ;;
3393 corei7|nehalem) echo -xtarget=nehalem ;;
3394 westmere) echo -xtarget=westmere ;;
3395 silvermont) echo -xarch=sse4_2 ;;
3396 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3397 core-avx*|ivybridge|haswell|broadwell)
3399 amdfam10|barcelona) echo -xtarget=barcelona ;;
3400 btver1) echo -xarch=amdsse4a ;;
3401 btver2|bdver*) echo -xarch=avx ;;
3402 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3403 k8|opteron|athlon64|athlon-fx)
3404 echo -xarch=sse2a ;;
3405 athlon*) echo -xarch=pentium_proa ;;
3408 -std=c99) echo -xc99 ;;
3409 -fomit-frame-pointer) echo -xregs=frameptr ;;
3410 -fPIC) echo -KPIC -xcode=pic32 ;;
3411 -W*,*) echo $flag ;;
3412 -f*-*|-W*|-mimpure-text) ;;
3423 case "${flag#*=}" in
3424 armv7-a|cortex-a*) echo -mv=7a8 ;;
3425 armv7-r|cortex-r*) echo -mv=7r4 ;;
3426 armv7-m|cortex-m*) echo -mv=7m3 ;;
3427 armv6*|arm11*) echo -mv=6 ;;
3428 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3430 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3433 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3434 -mfpu=vfp) echo --float_support=vfpv2 ;;
3435 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3436 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3437 -msoft-float) echo --float_support=vfplib ;;
3438 -O[0-3]|-mf=*) echo $flag ;;
3440 -pds=*) echo $flag ;;
3441 -D*|-I*) echo $flag ;;
3442 --gcc|--abi=*) echo $flag ;;
3452 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3453 unset _ld_o _ldflags _ld_lib _ld_path
3454 unset _depflags _DEPCMD _DEPFLAGS
3457 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3458 true # no-op to avoid reading stdin in following checks
3459 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3461 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
3462 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
3463 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3466 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3468 gcc_version=$($_cc --version | head -n1)
3469 gcc_basever=$($_cc -dumpversion)
3470 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3471 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3472 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3473 if ! $_cc -dumpversion | grep -q '^2\.'; then
3474 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3478 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3480 _ident=$($_cc --version | head -n1)
3485 _flags_filter=icc_flags
3486 elif $_cc -v 2>&1 | grep -q xlc; then
3488 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3490 _cflags_size='-O5 -qcompact'
3491 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3493 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3495 _cflags_speed='-fast'
3497 _flags_filter=ccc_flags
3498 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3499 test -d "$sysroot" || die "No valid sysroot specified."
3501 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3502 armcc_conf="$PWD/armcc.conf"
3503 $_cc --arm_linux_configure \
3504 --arm_linux_config_file="$armcc_conf" \
3505 --configure_sysroot="$sysroot" \
3506 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3507 die "Error creating armcc configuration file."
3508 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3509 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3510 as_default="${cross_prefix}gcc"
3514 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3516 _ident=$($_cc -version | head -n1 | tr -s ' ')
3517 _flags='--gcc --abi=eabi -me'
3520 _depflags='-ppa -ppd=$(@:.o=.d)'
3521 _cflags_speed='-O3 -mf=5'
3522 _cflags_size='-O3 -mf=2'
3523 _flags_filter=tms470_flags
3524 elif $_cc -v 2>&1 | grep -q clang; then
3526 _ident=$($_cc --version | head -n1)
3527 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3530 elif $_cc -V 2>&1 | grep -q Sun; then
3532 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3533 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3534 _DEPFLAGS='-xM1 -xc99'
3537 _cflags_size='-O5 -xspace'
3538 _flags_filter=suncc_flags
3539 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3541 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3542 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3545 _flags_filter='filter_out -Wdisabled-optimization'
3546 elif $_cc -v 2>&1 | grep -q Open64; then
3548 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3549 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3552 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3553 elif $_cc -V 2>&1 | grep -q Portland; then
3555 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3556 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3557 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3558 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3560 _flags_filter=pgi_flags
3561 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3563 _ident=$($_cc | head -n1)
3564 # 4509: "This form of conditional instruction is deprecated"
3565 _flags="-nologo -ignore 4509"
3566 _flags_filter=armasm_flags
3567 elif $_cc 2>&1 | grep -q Intel; then
3569 _ident=$($_cc 2>&1 | head -n1)
3570 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3571 # Not only is O3 broken on 13.x+ but it is slower on all previous
3572 # versions (tested) as well.
3574 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3575 if $_cc 2>&1 | grep -q Linker; then
3582 _flags_filter=icl_flags
3584 _ld_path='-libpath:'
3585 # -Qdiag-error to make icl error when seeing certain unknown arguments
3586 _flags='-nologo -Qdiag-error:4044,10157'
3587 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3588 # with MSVC which enables it by default.
3589 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3590 if [ $pfx = hostcc ]; then
3591 append _cflags -Dsnprintf=_snprintf
3594 elif $_cc 2>&1 | grep -q Microsoft; then
3596 _ident=$($_cc 2>&1 | head -n1)
3597 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3598 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3601 if $_cc 2>&1 | grep -q Linker; then
3608 _flags_filter=msvc_flags
3610 _ld_path='-libpath:'
3612 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3613 if [ $pfx = hostcc ]; then
3614 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -le 18 ]; then
3615 append _cflags -Dsnprintf=_snprintf
3619 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3621 _ident=$($_cc --version | head -n1)
3625 _flags_filter=cparser_flags
3628 eval ${pfx}_type=\$_type
3629 eval ${pfx}_ident=\$_ident
3633 eval ${1}_C=\${_cc_c-\${${1}_C}}
3634 eval ${1}_E=\${_cc_e-\${${1}_E}}
3635 eval ${1}_O=\${_cc_o-\${${1}_O}}
3637 if [ -n "$_depflags" ]; then
3638 eval ${1}_DEPFLAGS=\$_depflags
3640 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3641 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3642 eval DEP${1}FLAGS=\$_flags
3647 cflags_filter=$_flags_filter
3648 cflags_speed=$_cflags_speed
3649 cflags_size=$_cflags_size
3650 cflags_noopt=$_cflags_noopt
3651 add_cflags $_flags $_cflags
3652 cc_ldflags=$_ldflags
3655 probe_cc hostcc "$host_cc"
3656 host_cflags_filter=$_flags_filter
3657 add_host_cflags $_flags $_cflags
3660 test -n "$cc_type" && enable $cc_type ||
3661 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3663 : ${as_default:=$cc}
3664 : ${dep_cc_default:=$cc}
3665 : ${ld_default:=$cc}
3666 : ${host_ld_default:=$host_cc}
3667 set_default ar as dep_cc ld host_ld windres
3670 asflags_filter=$_flags_filter
3671 add_asflags $_flags $_cflags
3675 ldflags_filter=$_flags_filter
3676 add_ldflags $_flags $_ldflags
3677 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3679 LD_LIB=${_ld_lib-$LD_LIB}
3680 LD_PATH=${_ld_path-$LD_PATH}
3682 probe_cc hostld "$host_ld"
3683 host_ldflags_filter=$_flags_filter
3684 add_host_ldflags $_flags $_ldflags
3685 HOSTLD_O=${_ld_o-$HOSTLD_O}
3687 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3688 probe_cc depcc "$dep_cc"
3689 CCDEP=${_DEPCMD:-$DEPCMD}
3690 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3694 if $ar 2>&1 | grep -q Microsoft; then
3697 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3700 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3701 arflags='-Xany -r -c'
3703 elif $ar 2>&1 | grep -q "\[D\] "; then
3711 add_cflags $extra_cflags
3712 add_cxxflags $extra_cxxflags
3713 add_asflags $extra_cflags
3715 if test -n "$sysroot"; then
3718 add_cppflags --sysroot="$sysroot"
3719 add_ldflags --sysroot="$sysroot"
3720 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
3721 add_cppflags -isysroot "$sysroot"
3722 add_ldflags -isysroot "$sysroot"
3725 add_cppflags -I"$sysinclude"
3726 add_ldflags --sysroot="$sysroot"
3731 if test "$cpu" = host; then
3732 enabled cross_compile &&
3733 die "--cpu=host makes no sense when cross-compiling."
3738 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3740 s/.*$1=\\([^ ]*\\).*/\\1/
3745 cpu=$(check_native -march || check_native -mcpu)
3749 test "${cpu:-host}" = host &&
3750 die "--cpu=host not supported with compiler $cc"
3753 # Deal with common $arch aliases
3767 "Power Macintosh"|ppc*|powerpc*)
3782 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3787 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3790 # Add processor-specific flags
3791 if enabled aarch64; then
3795 cpuflags="-march=$cpu"
3798 cpuflags="-mcpu=$cpu"
3802 elif enabled alpha; then
3804 cpuflags="-mcpu=$cpu"
3806 elif enabled arm; then
3809 check_cpp_condition stddef.h \
3810 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3815 if check_arm_arch 4; then echo armv4;
3816 elif check_arm_arch 4T; then echo armv4t;
3817 elif check_arm_arch 5; then echo armv5;
3818 elif check_arm_arch 5E; then echo armv5e;
3819 elif check_arm_arch 5T; then echo armv5t;
3820 elif check_arm_arch 5TE; then echo armv5te;
3821 elif check_arm_arch 5TEJ; then echo armv5te;
3822 elif check_arm_arch 6; then echo armv6;
3823 elif check_arm_arch 6J; then echo armv6j;
3824 elif check_arm_arch 6K; then echo armv6k;
3825 elif check_arm_arch 6Z; then echo armv6z;
3826 elif check_arm_arch 6ZK; then echo armv6zk;
3827 elif check_arm_arch 6T2; then echo armv6t2;
3828 elif check_arm_arch 7; then echo armv7;
3829 elif check_arm_arch 7A 7_A; then echo armv7-a;
3830 elif check_arm_arch 7S; then echo armv7-a;
3831 elif check_arm_arch 7R 7_R; then echo armv7-r;
3832 elif check_arm_arch 7M 7_M; then echo armv7-m;
3833 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3834 elif check_arm_arch 8A 8_A; then echo armv8-a;
3838 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3842 cpuflags="-march=$cpu"
3843 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3846 cpuflags="-mcpu=$cpu"
3848 cortex-a*) subarch=armv7a ;;
3849 cortex-r*) subarch=armv7r ;;
3850 cortex-m*) enable thumb; subarch=armv7m ;;
3851 arm11*) subarch=armv6 ;;
3852 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3853 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3854 *) subarch=$(probe_arm_arch) ;;
3860 armv5t*) enable fast_clz ;;
3863 disabled fast_unaligned || enable fast_unaligned
3867 elif enabled avr32; then
3872 cpuflags="-mpart=$cpu"
3876 cpuflags="-march=$cpu"
3880 cpuflags="-mcpu=$cpu"
3884 cpuflags="-march=$cpu"
3888 elif enabled bfin; then
3890 cpuflags="-mcpu=$cpu"
3892 elif enabled mips; then
3894 cpuflags="-march=$cpu"
3919 24kef*|34kf*|1004kf*)
3941 check_cflags "-mtune=p5600"
3949 check_cflags "-mtune=i6400 -mabi=64"
3950 check_ldflags "-mabi=64"
3960 enable local_aligned_8 local_aligned_16
3961 enable simd_align_16
3965 enable fast_unaligned
3966 disable aligned_stack
3967 cpuflags="-march=loongson3a -mhard-float"
3976 elif enabled ppc; then
3981 case $(tolower $cpu) in
3982 601|ppc601|powerpc601)
3983 cpuflags="-mcpu=601"
3986 603*|ppc603*|powerpc603*)
3987 cpuflags="-mcpu=603"
3990 604*|ppc604*|powerpc604*)
3991 cpuflags="-mcpu=604"
3994 g3|75*|ppc75*|powerpc75*)
3995 cpuflags="-mcpu=750"
3998 g4|745*|ppc745*|powerpc745*)
3999 cpuflags="-mcpu=7450"
4001 74*|ppc74*|powerpc74*)
4002 cpuflags="-mcpu=7400"
4004 g5|970|ppc970|powerpc970)
4005 cpuflags="-mcpu=970"
4008 cpuflags="-mcpu=$cpu"
4011 cpuflags="-mcpu=cell"
4015 cpuflags="-mcpu=e500mc"
4019 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4024 cpuflags="-mcpu=8540 -mhard-float"
4030 elif enabled sparc; then
4033 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4034 cpuflags="-mcpu=$cpu"
4036 ultrasparc*|niagara[234])
4037 cpuflags="-mcpu=$cpu"
4041 elif enabled x86; then
4045 cpuflags="-march=$cpu"
4049 # targets that do NOT support nopl and conditional mov (cmov)
4050 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4051 cpuflags="-march=$cpu"
4054 # targets that do support nopl and conditional mov (cmov)
4055 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4056 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)
4057 cpuflags="-march=$cpu"
4061 # targets that do support conditional mov but on which it's slow
4062 pentium4|pentium4m|prescott|nocona)
4063 cpuflags="-march=$cpu"