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 [$ELIBS]
325 --extra-version=STRING version string suffix []
326 --optflags=OPTFLAGS override optimization-related compiler flags
327 --build-suffix=SUFFIX library name suffix []
328 --enable-pic build position-independent code
329 --enable-thumb compile for Thumb instruction set
330 --enable-lto use link-time optimization
331 --env="ENV=override" override the environment variables
333 Advanced options (experts only):
334 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
335 --disable-symver disable symbol versioning
336 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
337 --disable-safe-bitstream-reader
338 disable buffer boundary checking in bitreaders
339 (faster, but may crash)
340 --enable-memalign-hack emulate memalign, interferes with memory debuggers
341 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
343 Optimization options (experts only):
344 --disable-asm disable all assembly optimizations
345 --disable-altivec disable AltiVec optimizations
346 --disable-vsx disable VSX optimizations
347 --disable-power8 disable POWER8 optimizations
348 --disable-amd3dnow disable 3DNow! optimizations
349 --disable-amd3dnowext disable 3DNow! extended optimizations
350 --disable-mmx disable MMX optimizations
351 --disable-mmxext disable MMXEXT optimizations
352 --disable-sse disable SSE optimizations
353 --disable-sse2 disable SSE2 optimizations
354 --disable-sse3 disable SSE3 optimizations
355 --disable-ssse3 disable SSSE3 optimizations
356 --disable-sse4 disable SSE4 optimizations
357 --disable-sse42 disable SSE4.2 optimizations
358 --disable-avx disable AVX optimizations
359 --disable-xop disable XOP optimizations
360 --disable-fma3 disable FMA3 optimizations
361 --disable-fma4 disable FMA4 optimizations
362 --disable-avx2 disable AVX2 optimizations
363 --disable-armv5te disable armv5te optimizations
364 --disable-armv6 disable armv6 optimizations
365 --disable-armv6t2 disable armv6t2 optimizations
366 --disable-vfp disable VFP optimizations
367 --disable-neon disable NEON optimizations
368 --disable-inline-asm disable use of inline assembly
369 --disable-yasm disable use of nasm/yasm assembly
370 --disable-mips32r5 disable MIPS32R5 optimizations
371 --disable-mips64r6 disable MIPS64R6 optimizations
372 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
373 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
374 --disable-msa disable MSA optimizations
375 --disable-mipsfpu disable floating point MIPS optimizations
376 --disable-loongson3 disable Loongson-3 SIMD optimizations
377 --disable-fast-unaligned consider unaligned accesses slow
379 Developer options (useful when working on FFmpeg itself):
380 --disable-debug disable debugging symbols
381 --enable-debug=LEVEL set the debug level [$debuglevel]
382 --disable-optimizations disable compiler optimizations
383 --enable-extra-warnings enable more compiler warnings
384 --disable-stripping disable stripping of executables and shared libraries
385 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
386 2 causes a slowdown at runtime.
387 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
388 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
389 leaks and errors, using the specified valgrind binary.
390 Cannot be combined with --target-exec
391 --enable-ftrapv Trap arithmetic overflows
392 --samples=PATH location of test samples for FATE, if not set use
393 \$FATE_SAMPLES at make invocation time.
394 --enable-neon-clobber-test check NEON registers for clobbering (should be
395 used only for debugging purposes)
396 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
397 should be used only for debugging purposes)
398 --enable-random randomly enable/disable components
400 --enable-random=LIST randomly enable/disable specific components or
401 --disable-random=LIST component groups. LIST is a comma-separated list
402 of NAME[:PROB] entries where NAME is a component
403 (group) and PROB the probability associated with
405 --random-seed=VALUE seed value for --enable/disable-random
406 --disable-valgrind-backtrace do not print a backtrace under Valgrind
407 (only applies to --disable-optimizations builds)
409 NOTE: Object files are built at the place where configure is launched.
417 echo "$@" >> $logfile
422 pr -n -t $1 >> $logfile
433 WARNINGS="${WARNINGS}WARNING: $*\n"
440 If you think configure made a mistake, make sure you are using the latest
441 version from Git. If the latest version fails, report the problem to the
442 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
444 if disabled logging; then
446 Rerun configure with logging enabled (do not use --disable-logging), and
447 include the log this produces with your report.
451 Include the log file "$logfile" produced by configure as this will help
458 # Avoid locale weirdness, besides we really just want to translate ASCII.
460 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
464 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
468 echo "$*" | sed 's/["\\]/\\\0/g'
472 v=$(echo "$1" | sed "s/'/'\\\\''/g")
473 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
478 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\\r//g'
485 eval "case $v in $pat) echo $v ;; esac"
493 eval "case $v in $pat) ;; *) echo $v ;; esac"
500 for v; do eval $m; done
506 for v; do echo ${v}${suffix}; done
521 eval : \${$var:=$value}
526 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
532 eval $(sanitize_var_name "$var")='$*'
536 eval echo \$$(sanitize_var_name "$1")
541 eval level=\${${pvar}_level:=0}
542 eval ${pvar}_${level}="\$$pvar"
543 eval ${pvar}_level=$(($level+1))
549 eval level=\${${pvar}_level:-0}
550 test $level = 0 && continue
551 eval level=$(($level-1))
552 eval $pvar="\${${pvar}_${level}}"
553 eval ${pvar}_level=$level
554 eval unset ${pvar}_${level}
576 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
582 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
588 enabled $var && continue
589 eval sel="\$${var}_select"
590 eval sgs="\$${var}_suggest"
594 enable_deep_weak $sgs
606 disabled $var && continue
615 test "${1#!}" = "$1" && op== || op=!=
616 eval test "x\$${1#!}" $op "xyes"
620 test "${1#!}" = "$1" && op== || op=!=
621 eval test "x\$${1#!}" $op "xno"
626 enabled $opt || return 1
632 disabled $opt || return 1
638 enabled $opt && return 0
644 disabled $opt && return 0
651 eval : \${$opt:=\$${opt}_default}
659 [ $var = $value ] && return 0
667 enabled ${cfg}_checking && die "Circular dependency for $cfg."
668 disabled ${cfg}_checking && continue
669 enable ${cfg}_checking
672 eval dep_all="\$${cfg}_deps"
673 eval dep_any="\$${cfg}_deps_any"
674 eval dep_sel="\$${cfg}_select"
675 eval dep_sgs="\$${cfg}_suggest"
676 eval dep_ifa="\$${cfg}_if"
677 eval dep_ifn="\$${cfg}_if_any"
679 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
680 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
681 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
683 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
684 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
685 enabled_all $dep_all || disable $cfg
686 enabled_any $dep_any || disable $cfg
687 disabled_any $dep_sel && disable $cfg
689 if enabled $cfg; then
691 enable_deep_weak $dep_sgs
694 disable ${cfg}_checking
703 for cfg in $allopts; do
704 enabled $cfg || continue
705 eval dep_extralibs="\$${cfg}_extralibs"
706 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
714 map 'eval echo "$v \${$v:-no}"' "$@" |
715 awk "BEGIN { split(\"$files\", files) }
717 c = \"$pfx\" toupper(\$1);
723 if (file ~ /\\.h\$/) {
724 printf(\"#define %s %d\\n\", c, v) >>file;
725 } else if (file ~ /\\.asm\$/) {
726 printf(\"%%define %s %d\\n\", c, v) >>file;
727 } else if (file ~ /\\.mak\$/) {
728 n = -v ? \"\" : \"!\";
729 printf(\"%s%s=yes\\n\", n, c) >>file;
730 } else if (file ~ /\\.texi\$/) {
731 pre = -v ? \"\" : \"@c \";
734 gsub(/_/, \"-\", c2);
735 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
745 enabled $v && printf "%s\n" ${v%$suf};
752 eval "$var=\"\$$var $*\""
758 eval "$var=\"$* \$$var\""
764 for tok in $(eval echo \$$var); do
765 uniq_list="$(filter_out $tok $uniq_list) $tok"
767 eval "$var=\"${uniq_list}\""
775 append CFLAGS $($cflags_filter "$@")
779 append CXXFLAGS $($cflags_filter "$@")
783 append ASFLAGS $($asflags_filter "$@")
787 append LDFLAGS $($ldflags_filter "$@")
791 append LDEXEFLAGS $($ldflags_filter "$@")
795 append ASMSTRIPFLAGS "$@"
799 prepend extralibs $($ldflags_filter "$@")
803 append host_cppflags "$@"
807 append host_cflags $($host_cflags_filter "$@")
811 append host_ldflags $($host_ldflags_filter "$@")
815 append compat_objs $1
817 map 'add_cppflags -D$v' "$@"
822 "$@" >> $logfile 2>&1
827 stat "$1" >> $logfile 2>&1
831 eval printf '%s\\n' $CC_O
835 eval printf '%s\\n' $CC_E
842 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
849 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
856 check_cmd $cc -Werror=missing-prototypes $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPM
863 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
867 eval printf '%s\\n' $AS_O
874 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
878 log check_inline_asm "$@"
883 check_cc "$@" <<EOF && enable $name
884 void foo(void){ __asm__ volatile($code); }
890 check_inline_asm ${1}_inline "\"$2\""
891 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
899 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
903 eval printf '%s\\n' $LD_O
910 flags=$(filter_out '-l*|*.so' $@)
911 libs=$(filter '-l*|*.so' $@)
912 check_$type $($cflags_filter $flags) || return
913 flags=$($ldflags_filter $flags)
914 libs=$($ldflags_filter $libs)
915 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
920 test "${hdr%.h}" = "${hdr}" &&
921 echo "#include $hdr" ||
922 echo "#include <$hdr>"
932 for hdr in $headers; do
935 echo "int main(void) { $code; return 0; }"
936 } | check_$check "$@"
940 log check_cppflags "$@"
941 check_cc "$@" <<EOF && append CPPFLAGS "$@"
948 set -- $($cflags_filter "$@")
955 log check_cflags "$@"
956 test_cflags "$@" && add_cflags "$@"
960 log check_cxxflags "$@"
961 set -- $($cflags_filter "$@")
962 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
968 log test_ldflags "$@"
969 check_ld "cc" "$@" <<EOF
970 int main(void){ return 0; }
975 log check_ldflags "$@"
976 test_ldflags "$@" && add_ldflags "$@"
980 log test_stripflags "$@"
981 # call check_cc to get a fresh TMPO
983 int main(void) { return 0; }
985 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
989 log check_stripflags "$@"
990 test_stripflags "$@" && add_stripflags "$@"
994 log check_header "$@"
998 check_cpp "$@" <<EOF && enable_safe $header
1005 log check_header_oc "$@"
1009 disable_safe $header
1011 echo "#include <$header>"
1012 echo "int main(void) { return 0; }"
1013 } | check_oc && check_stat "$TMPO" && enable_safe $headers
1021 check_ld "cc" "$@" <<EOF && enable $func
1023 int main(void){ $func(); }
1028 log check_mathfunc "$@"
1032 test $narg = 2 && args="f, g" || args="f"
1034 check_ld "cc" "$@" <<EOF && enable $func
1036 float foo(float f, float g) { return $func($args); }
1037 int main(void){ return (int) foo; }
1041 check_func_headers(){
1042 log check_func_headers "$@"
1047 for hdr in $headers; do
1050 for func in $funcs; do
1051 echo "long check_$func(void) { return (long) $func; }"
1053 echo "int main(void) { return 0; }"
1054 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1057 check_class_headers_cpp(){
1058 log check_class_headers_cpp "$@"
1063 for hdr in $headers; do
1064 echo "#include <$hdr>"
1066 echo "int main(void) { "
1068 for class in $classes; do
1069 echo "$class obj$i;"
1073 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1076 check_cpp_condition(){
1077 log check_cpp_condition "$@"
1081 check_cpp "$@" <<EOF
1084 #error "unsatisfied condition: $condition"
1094 check_header $header && check_func $func "$@" && add_extralibs "$@"
1102 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1106 log check_lib_cpp "$@"
1110 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1114 log check_pkg_config "$@"
1120 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1121 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1122 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1123 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1124 set_safe "${pkg}_cflags" $pkg_cflags &&
1125 set_safe "${pkg}_libs" $pkg_libs
1129 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1135 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1136 # are safe but may not be available everywhere. Thus we use
1137 # raise(SIGTERM) instead. The check is run in a subshell so we
1138 # can redirect the "Terminated" message from the shell. SIGBUS
1139 # is not defined by standard C so it is used conditionally.
1141 (check_exec "$@") >> $logfile 2>&1 <<EOF
1143 static void sighandler(int sig){
1149 int (*func_ptr)(void) = foo;
1151 signal(SIGILL, sighandler);
1152 signal(SIGFPE, sighandler);
1153 signal(SIGSEGV, sighandler);
1155 signal(SIGBUS, sighandler);
1167 disable_safe "$type"
1168 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1172 log check_struct "$@"
1177 disable_safe "${struct}_${member}"
1178 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1179 enable_safe "${struct}_${member}"
1183 log check_builtin "$@"
1189 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1192 check_compile_assert(){
1193 log check_compile_assert "$@"
1199 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1207 check_lib $header $func "$@" || die "ERROR: $name not found"
1215 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1223 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1228 check_pkg_config "$@" || return 1
1229 add_cflags $(get_safe "${pkg}_cflags")
1230 add_extralibs $(get_safe "${pkg}_libs")
1233 require_pkg_config(){
1234 use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"
1237 require_libfreetype(){
1238 log require_libfreetype "$@"
1240 check_cmd $pkg_config --exists --print-errors $pkg \
1241 || die "ERROR: $pkg not found"
1242 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1243 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1245 echo "#include <ft2build.h>"
1246 echo "#include FT_FREETYPE_H"
1247 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1248 echo "int main(void) { return 0; }"
1249 } | check_ld "cc" $pkg_cflags $pkg_libs \
1250 && set_safe "${pkg}_cflags" $pkg_cflags \
1251 && set_safe "${pkg}_libs" $pkg_libs \
1252 || die "ERROR: $pkg not found"
1253 add_cflags $(get_safe "${pkg}_cflags")
1254 add_extralibs $(get_safe "${pkg}_libs")
1258 eval printf '%s\\n' $HOSTCC_E
1262 eval printf '%s\\n' $HOSTCC_O
1266 log check_host_cc "$@"
1269 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1273 log check_host_cpp "$@"
1276 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1279 check_host_cppflags(){
1280 log check_host_cppflags "$@"
1281 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1286 check_host_cflags(){
1287 log check_host_cflags "$@"
1288 set -- $($host_cflags_filter "$@")
1289 check_host_cc "$@" <<EOF && append host_cflags "$@"
1294 check_host_cpp_condition(){
1295 log check_host_cpp_condition "$@"
1299 check_host_cpp "$@" <<EOF
1302 #error "unsatisfied condition: $condition"
1310 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1314 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1315 mkdir -p "$(dirname $2)"
1319 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1320 # system-dependent things.
1337 avio_reading_example
1338 avio_list_dir_example
1339 decoding_encoding_example
1340 demuxing_decoding_example
1342 filter_audio_example
1343 filtering_audio_example
1344 filtering_video_example
1349 resampling_audio_example
1350 scaling_video_example
1351 transcode_aac_example
1355 EXTERNAL_LIBRARY_LIST="
1451 safe_bitstream_reader
1511 $EXTERNAL_LIBRARY_LIST
1519 incompatible_libav_abi
1581 ARCH_EXT_LIST_MIPS="
1591 ARCH_EXT_LIST_LOONGSON="
1595 ARCH_EXT_LIST_X86_SIMD="
1623 $ARCH_EXT_LIST_X86_SIMD
1633 $ARCH_EXT_LIST_LOONGSON
1649 atomic_compare_exchange
1655 sync_val_compare_and_swap
1666 incompatible_libav_abi
1675 cdio_paranoia_paranoia_h
1676 dev_bktr_ioctl_bt848_h
1677 dev_bktr_ioctl_meteor_h
1679 dev_video_bktr_ioctl_bt848_h
1680 dev_video_meteor_ioctl_meteor_h
1689 machine_ioctl_bt848_h
1690 machine_ioctl_meteor_h
1692 openjpeg_1_5_openjpeg_h
1760 GetProcessAffinityMask
1761 GetProcessMemoryInfo
1765 GetSystemTimeAsFileTime
1772 jack_port_get_latency_range
1787 SetConsoleTextAttribute
1799 TOOLCHAIN_FEATURES="
1812 inline_asm_nonlocal_labels
1813 inline_asm_direct_symbol_refs
1824 CONDITION_VARIABLE_Ptr
1827 struct_group_source_req
1828 struct_ip_mreq_source
1831 struct_rusage_ru_maxrss
1832 struct_sctp_event_subscribe
1834 struct_sockaddr_sa_len
1835 struct_sockaddr_storage
1836 struct_stat_st_mtim_tv_nsec
1837 struct_v4l2_frmivalenum_discrete
1842 $(add_suffix _external $ARCH_EXT_LIST)
1843 $(add_suffix _inline $ARCH_EXT_LIST)
1876 # options emitted with CONFIG_ prefix but not available on the command line
1891 frame_thread_encoder
2020 # code dependency declarations
2022 # architecture extensions
2027 armv8_deps="aarch64"
2028 neon_deps_any="aarch64 arm"
2029 intrinsics_neon_deps="neon"
2030 vfp_deps_any="aarch64 arm"
2034 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2037 mipsdspr1_deps="mips"
2038 mipsdspr2_deps="mips"
2039 mips32r2_deps="mips"
2040 mips32r5_deps="mips"
2041 mips64r6_deps="mips"
2043 loongson3_deps="mips"
2053 x86_64_select="i686"
2054 x86_64_suggest="fast_cmov"
2057 amd3dnowext_deps="amd3dnow"
2073 mmx_external_deps="yasm"
2074 mmx_inline_deps="inline_asm"
2075 mmx_suggest="mmx_external mmx_inline"
2077 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2078 eval dep=\$${ext}_deps
2079 eval ${ext}_external_deps='"${dep}_external"'
2080 eval ${ext}_inline_deps='"${dep}_inline"'
2081 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2084 aligned_stack_if_any="aarch64 ppc x86"
2085 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2086 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2087 fast_unaligned_if_any="aarch64 ppc x86"
2088 simd_align_16_if_any="altivec neon sse"
2090 # system capabilities
2091 symver_if_any="symver_asm_label symver_gnu_asm"
2092 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
2095 atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"
2096 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2097 atomics_win32_if="MemoryBarrier"
2098 atomics_native_if_any="$ATOMICS_LIST"
2099 w32threads_deps="atomics_native"
2100 threads_if_any="$THREADS_LIST"
2104 error_resilience_select="me_cmp"
2105 faandct_deps="faan fdctdsp"
2106 faanidct_deps="faan idctdsp"
2107 frame_thread_encoder_deps="encoders threads"
2108 intrax8_select="error_resilience"
2111 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2112 mpeg_er_select="error_resilience"
2113 mpegaudio_select="mpegaudiodsp"
2114 mpegaudiodsp_select="dct"
2115 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp videodsp"
2116 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2120 # decoders / encoders
2121 aac_decoder_select="imdct15 mdct sinewin"
2122 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
2123 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2124 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2125 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2126 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2127 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2128 aic_decoder_select="golomb idctdsp"
2129 alac_encoder_select="lpc"
2130 als_decoder_select="bswapdsp"
2131 amrnb_decoder_select="lsp"
2132 amrwb_decoder_select="lsp"
2133 amv_decoder_select="sp5x_decoder exif"
2134 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2135 ape_decoder_select="bswapdsp llauddsp"
2136 apng_decoder_select="zlib"
2137 apng_encoder_select="huffyuvencdsp zlib"
2138 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2139 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2140 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2141 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2142 atrac1_decoder_select="mdct sinewin"
2143 atrac3_decoder_select="mdct"
2144 atrac3p_decoder_select="mdct sinewin"
2145 avrn_decoder_select="exif jpegtables"
2146 bink_decoder_select="blockdsp hpeldsp"
2147 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2148 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2149 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2150 cllc_decoder_select="bswapdsp"
2151 comfortnoise_encoder_select="lpc"
2152 cook_decoder_select="audiodsp mdct sinewin"
2153 cscd_decoder_select="lzo"
2154 cscd_decoder_suggest="zlib"
2155 dca_decoder_select="fmtconvert mdct"
2156 dirac_decoder_select="dwt golomb videodsp mpegvideoenc"
2157 dnxhd_decoder_select="blockdsp idctdsp"
2158 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2159 dvvideo_decoder_select="dvprofile idctdsp"
2160 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2161 dxa_decoder_select="zlib"
2162 eac3_decoder_select="ac3_decoder"
2163 eac3_encoder_select="ac3_encoder"
2164 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2165 eatgq_decoder_select="aandcttables"
2166 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
2167 exr_decoder_select="zlib"
2168 ffv1_decoder_select="golomb rangecoder"
2169 ffv1_encoder_select="rangecoder"
2170 ffvhuff_decoder_select="huffyuv_decoder"
2171 ffvhuff_encoder_select="huffyuv_encoder"
2172 fic_decoder_select="golomb"
2173 flac_decoder_select="golomb"
2174 flac_encoder_select="bswapdsp golomb lpc"
2175 flashsv_decoder_select="zlib"
2176 flashsv_encoder_select="zlib"
2177 flashsv2_encoder_select="zlib"
2178 flashsv2_decoder_select="zlib"
2179 flv_decoder_select="h263_decoder"
2180 flv_encoder_select="h263_encoder"
2181 fourxm_decoder_select="blockdsp bswapdsp"
2182 fraps_decoder_select="bswapdsp huffman"
2183 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2184 g729_decoder_select="audiodsp"
2185 h261_decoder_select="mpeg_er mpegvideo"
2186 h261_encoder_select="aandcttables mpegvideoenc"
2187 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
2188 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2189 h263i_decoder_select="h263_decoder"
2190 h263p_decoder_select="h263_decoder"
2191 h263p_encoder_select="h263_encoder"
2192 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
2193 h264_decoder_suggest="error_resilience"
2194 h264_qsv_decoder_deps="libmfx"
2195 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2196 h264_qsv_encoder_deps="libmfx"
2197 h264_qsv_encoder_select="qsvenc"
2198 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2199 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2200 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
2201 iac_decoder_select="imc_decoder"
2202 imc_decoder_select="bswapdsp fft mdct sinewin"
2203 indeo3_decoder_select="hpeldsp"
2204 interplay_video_decoder_select="hpeldsp"
2205 jpegls_decoder_select="golomb mjpeg_decoder"
2206 jpegls_encoder_select="golomb"
2207 jv_decoder_select="blockdsp"
2208 lagarith_decoder_select="huffyuvdsp"
2209 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2210 loco_decoder_select="golomb"
2211 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2212 metasound_decoder_select="lsp mdct sinewin"
2213 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2214 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2215 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2216 mjpegb_decoder_select="mjpeg_decoder"
2217 mlp_decoder_select="mlp_parser"
2218 motionpixels_decoder_select="bswapdsp"
2219 mp1_decoder_select="mpegaudio"
2220 mp1float_decoder_select="mpegaudio"
2221 mp2_decoder_select="mpegaudio"
2222 mp2float_decoder_select="mpegaudio"
2223 mp3_decoder_select="mpegaudio"
2224 mp3adu_decoder_select="mpegaudio"
2225 mp3adufloat_decoder_select="mpegaudio"
2226 mp3float_decoder_select="mpegaudio"
2227 mp3on4_decoder_select="mpegaudio"
2228 mp3on4float_decoder_select="mpegaudio"
2229 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2230 mpc8_decoder_select="mpegaudiodsp"
2231 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2232 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2233 mpegvideo_decoder_select="error_resilience mpeg_er mpegvideo"
2234 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2235 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2236 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2237 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2238 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2239 mpeg4_encoder_select="h263_encoder"
2240 msmpeg4v1_decoder_select="h263_decoder"
2241 msmpeg4v2_decoder_select="h263_decoder"
2242 msmpeg4v2_encoder_select="h263_encoder"
2243 msmpeg4v3_decoder_select="h263_decoder"
2244 msmpeg4v3_encoder_select="h263_encoder"
2245 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
2246 mxpeg_decoder_select="mjpeg_decoder"
2247 nellymoser_decoder_select="mdct sinewin"
2248 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2249 nuv_decoder_select="idctdsp lzo"
2250 on2avc_decoder_select="mdct"
2251 opus_decoder_deps="swresample"
2252 opus_decoder_select="imdct15"
2253 png_decoder_select="zlib"
2254 png_encoder_select="huffyuvencdsp zlib"
2255 prores_decoder_select="blockdsp idctdsp"
2256 prores_encoder_select="fdctdsp"
2257 qcelp_decoder_select="lsp"
2258 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2259 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2260 ra_144_decoder_select="audiodsp"
2261 ralf_decoder_select="golomb"
2262 rawvideo_decoder_select="bswapdsp"
2263 rtjpeg_decoder_select="me_cmp"
2264 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2265 rv10_encoder_select="h263_encoder"
2266 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2267 rv20_encoder_select="h263_encoder"
2268 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
2269 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
2270 shorten_decoder_select="golomb"
2271 sipr_decoder_select="lsp"
2272 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2273 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2274 sonic_decoder_select="golomb rangecoder"
2275 sonic_encoder_select="golomb rangecoder"
2276 sonic_ls_encoder_select="golomb rangecoder"
2277 sp5x_decoder_select="mjpeg_decoder"
2278 svq1_decoder_select="hpeldsp"
2279 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2280 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2281 svq3_decoder_suggest="zlib"
2282 tak_decoder_select="audiodsp"
2283 tdsc_decoder_select="zlib mjpeg_decoder"
2284 theora_decoder_select="vp3_decoder"
2285 thp_decoder_select="mjpeg_decoder"
2286 tiff_decoder_suggest="zlib lzma"
2287 tiff_encoder_suggest="zlib"
2288 truehd_decoder_select="mlp_parser"
2289 truemotion2_decoder_select="bswapdsp"
2290 truespeech_decoder_select="bswapdsp"
2291 tscc_decoder_select="zlib"
2292 twinvq_decoder_select="mdct lsp sinewin"
2293 utvideo_decoder_select="bswapdsp"
2294 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2295 vble_decoder_select="huffyuvdsp"
2296 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
2297 vc1image_decoder_select="vc1_decoder"
2298 vorbis_decoder_select="mdct"
2299 vorbis_encoder_select="mdct"
2300 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2301 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
2302 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
2303 vp6a_decoder_select="vp6_decoder"
2304 vp6f_decoder_select="vp6_decoder"
2305 vp7_decoder_select="h264pred videodsp"
2306 vp8_decoder_select="h264pred videodsp"
2307 vp9_decoder_select="videodsp vp9_parser"
2308 webp_decoder_select="vp8_decoder"
2309 wmalossless_decoder_select="llauddsp"
2310 wmapro_decoder_select="mdct sinewin wma_freqs"
2311 wmav1_decoder_select="mdct sinewin wma_freqs"
2312 wmav1_encoder_select="mdct sinewin wma_freqs"
2313 wmav2_decoder_select="mdct sinewin wma_freqs"
2314 wmav2_encoder_select="mdct sinewin wma_freqs"
2315 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2316 wmv1_decoder_select="h263_decoder"
2317 wmv1_encoder_select="h263_encoder"
2318 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"
2319 wmv2_encoder_select="h263_encoder"
2320 wmv3_decoder_select="vc1_decoder"
2321 wmv3image_decoder_select="wmv3_decoder"
2322 zerocodec_decoder_select="zlib"
2323 zlib_decoder_select="zlib"
2324 zlib_encoder_select="zlib"
2325 zmbv_decoder_select="zlib"
2326 zmbv_encoder_select="zlib"
2328 # hardware accelerators
2329 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2330 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2331 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2332 vaapi_deps="va_va_h"
2333 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2334 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2335 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2336 xvmc_deps="X11_extensions_XvMClib_h"
2338 h263_vaapi_hwaccel_deps="vaapi"
2339 h263_vaapi_hwaccel_select="h263_decoder"
2340 h263_vdpau_hwaccel_deps="vdpau"
2341 h263_vdpau_hwaccel_select="h263_decoder"
2342 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2343 h264_d3d11va_hwaccel_deps="d3d11va"
2344 h264_d3d11va_hwaccel_select="h264_decoder"
2345 h264_dxva2_hwaccel_deps="dxva2"
2346 h264_dxva2_hwaccel_select="h264_decoder"
2347 h264_mmal_decoder_deps="mmal"
2348 h264_mmal_hwaccel_deps="mmal"
2349 h264_mmal_decoder_select="h264_decoder"
2350 h264_mmal_encoder_deps="mmal"
2351 h264_qsv_hwaccel_deps="libmfx"
2352 h264_vaapi_hwaccel_deps="vaapi"
2353 h264_vaapi_hwaccel_select="h264_decoder"
2354 h264_vda_decoder_deps="vda"
2355 h264_vda_decoder_select="h264_decoder"
2356 h264_vda_hwaccel_deps="vda"
2357 h264_vda_hwaccel_select="h264_decoder"
2358 h264_vda_old_hwaccel_deps="vda"
2359 h264_vda_old_hwaccel_select="h264_decoder"
2360 h264_vdpau_decoder_deps="vdpau"
2361 h264_vdpau_decoder_select="h264_decoder"
2362 h264_vdpau_hwaccel_deps="vdpau"
2363 h264_vdpau_hwaccel_select="h264_decoder"
2364 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2365 hevc_d3d11va_hwaccel_select="hevc_decoder"
2366 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2367 hevc_dxva2_hwaccel_select="hevc_decoder"
2368 mpeg_vdpau_decoder_deps="vdpau"
2369 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2370 mpeg_xvmc_hwaccel_deps="xvmc"
2371 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2372 mpeg1_vdpau_decoder_deps="vdpau"
2373 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2374 mpeg1_vdpau_hwaccel_deps="vdpau"
2375 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2376 mpeg1_xvmc_hwaccel_deps="xvmc"
2377 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2378 mpeg2_crystalhd_decoder_select="crystalhd"
2379 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2380 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2381 mpeg2_dxva2_hwaccel_deps="dxva2"
2382 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2383 mpeg2_vaapi_hwaccel_deps="vaapi"
2384 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2385 mpeg2_vdpau_hwaccel_deps="vdpau"
2386 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2387 mpeg2_xvmc_hwaccel_deps="xvmc"
2388 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2389 mpeg4_crystalhd_decoder_select="crystalhd"
2390 mpeg4_vaapi_hwaccel_deps="vaapi"
2391 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2392 mpeg4_vdpau_decoder_deps="vdpau"
2393 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2394 mpeg4_vdpau_hwaccel_deps="vdpau"
2395 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2396 msmpeg4_crystalhd_decoder_select="crystalhd"
2397 vc1_crystalhd_decoder_select="crystalhd"
2398 vc1_d3d11va_hwaccel_deps="d3d11va"
2399 vc1_d3d11va_hwaccel_select="vc1_decoder"
2400 vc1_dxva2_hwaccel_deps="dxva2"
2401 vc1_dxva2_hwaccel_select="vc1_decoder"
2402 vc1_vaapi_hwaccel_deps="vaapi"
2403 vc1_vaapi_hwaccel_select="vc1_decoder"
2404 vc1_vdpau_decoder_deps="vdpau"
2405 vc1_vdpau_decoder_select="vc1_decoder"
2406 vc1_vdpau_hwaccel_deps="vdpau"
2407 vc1_vdpau_hwaccel_select="vc1_decoder"
2408 wmv3_crystalhd_decoder_select="crystalhd"
2409 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2410 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2411 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2412 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2413 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2416 h264_parser_select="h264_decoder"
2417 hevc_parser_select="hevc_decoder"
2418 mpegvideo_parser_select="mpegvideo"
2419 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
2420 vc1_parser_select="mpegvideo startcode vc1_decoder"
2423 mjpeg2jpeg_bsf_select="jpegtables"
2425 # external libraries
2426 libaacplus_encoder_deps="libaacplus"
2427 libcelt_decoder_deps="libcelt"
2428 libdcadec_decoder_deps="libdcadec"
2429 libfaac_encoder_deps="libfaac"
2430 libfaac_encoder_select="audio_frame_queue"
2431 libfdk_aac_decoder_deps="libfdk_aac"
2432 libfdk_aac_encoder_deps="libfdk_aac"
2433 libfdk_aac_encoder_select="audio_frame_queue"
2434 libgme_demuxer_deps="libgme"
2435 libgsm_decoder_deps="libgsm"
2436 libgsm_encoder_deps="libgsm"
2437 libgsm_ms_decoder_deps="libgsm"
2438 libgsm_ms_encoder_deps="libgsm"
2439 libilbc_decoder_deps="libilbc"
2440 libilbc_encoder_deps="libilbc"
2441 libmodplug_demuxer_deps="libmodplug"
2442 libmp3lame_encoder_deps="libmp3lame"
2443 libmp3lame_encoder_select="audio_frame_queue"
2444 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2445 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2446 libopencore_amrnb_encoder_select="audio_frame_queue"
2447 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2448 libopenh264_encoder_deps="libopenh264"
2449 libopenjpeg_decoder_deps="libopenjpeg"
2450 libopenjpeg_encoder_deps="libopenjpeg"
2451 libopus_decoder_deps="libopus"
2452 libopus_encoder_deps="libopus"
2453 libopus_encoder_select="audio_frame_queue"
2454 libquvi_demuxer_deps="libquvi"
2455 libschroedinger_decoder_deps="libschroedinger"
2456 libschroedinger_encoder_deps="libschroedinger"
2457 libshine_encoder_deps="libshine"
2458 libshine_encoder_select="audio_frame_queue"
2459 libspeex_decoder_deps="libspeex"
2460 libspeex_encoder_deps="libspeex"
2461 libspeex_encoder_select="audio_frame_queue"
2462 libstagefright_h264_decoder_deps="libstagefright_h264"
2463 libtheora_encoder_deps="libtheora"
2464 libtwolame_encoder_deps="libtwolame"
2465 libvo_aacenc_encoder_deps="libvo_aacenc"
2466 libvo_aacenc_encoder_select="audio_frame_queue"
2467 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2468 libvorbis_decoder_deps="libvorbis"
2469 libvorbis_encoder_deps="libvorbis"
2470 libvorbis_encoder_select="audio_frame_queue"
2471 libvpx_vp8_decoder_deps="libvpx"
2472 libvpx_vp8_encoder_deps="libvpx"
2473 libvpx_vp9_decoder_deps="libvpx"
2474 libvpx_vp9_encoder_deps="libvpx"
2475 libwavpack_encoder_deps="libwavpack"
2476 libwebp_encoder_deps="libwebp"
2477 libwebp_anim_encoder_deps="libwebp"
2478 libx264_encoder_deps="libx264"
2479 libx264rgb_encoder_deps="libx264"
2480 libx264rgb_encoder_select="libx264_encoder"
2481 libx265_encoder_deps="libx265"
2482 libxavs_encoder_deps="libxavs"
2483 libxvid_encoder_deps="libxvid"
2484 libutvideo_decoder_deps="libutvideo"
2485 libutvideo_encoder_deps="libutvideo"
2486 libzvbi_teletext_decoder_deps="libzvbi"
2487 nvenc_encoder_deps="nvenc"
2488 nvenc_h264_encoder_deps="nvenc"
2489 nvenc_hevc_encoder_deps="nvenc"
2492 ac3_demuxer_select="ac3_parser"
2493 asf_demuxer_select="riffdec"
2494 asf_muxer_select="riffenc"
2495 asf_stream_muxer_select="asf_muxer"
2496 avi_demuxer_select="riffdec exif"
2497 avi_muxer_select="riffenc"
2498 avisynth_demuxer_deps="avisynth"
2499 avisynth_demuxer_select="riffdec"
2500 caf_demuxer_select="riffdec"
2501 dash_muxer_select="mp4_muxer"
2502 dirac_demuxer_select="dirac_parser"
2503 dts_demuxer_select="dca_parser"
2504 dtshd_demuxer_select="dca_parser"
2505 dv_demuxer_select="dvprofile"
2506 dv_muxer_select="dvprofile"
2507 dxa_demuxer_select="riffdec"
2508 eac3_demuxer_select="ac3_parser"
2509 f4v_muxer_select="mov_muxer"
2510 flac_demuxer_select="flac_parser"
2511 hds_muxer_select="flv_muxer"
2512 hls_muxer_select="mpegts_muxer"
2513 image2_alias_pix_demuxer_select="image2_demuxer"
2514 image2_brender_pix_demuxer_select="image2_demuxer"
2515 ipod_muxer_select="mov_muxer"
2516 ismv_muxer_select="mov_muxer"
2517 libnut_demuxer_deps="libnut"
2518 libnut_muxer_deps="libnut"
2519 matroska_audio_muxer_select="matroska_muxer"
2520 matroska_demuxer_select="riffdec"
2521 matroska_demuxer_suggest="bzlib lzo zlib"
2522 matroska_muxer_select="riffenc"
2523 mmf_muxer_select="riffenc"
2524 mov_demuxer_select="riffdec"
2525 mov_demuxer_suggest="zlib"
2526 mov_muxer_select="riffenc rtpenc_chain"
2527 mp3_demuxer_select="mpegaudio_parser"
2528 mp4_muxer_select="mov_muxer"
2529 mpegts_muxer_select="adts_muxer latm_muxer"
2530 mpegtsraw_demuxer_select="mpegts_demuxer"
2531 mxf_d10_muxer_select="mxf_muxer"
2532 mxf_opatom_muxer_select="mxf_muxer"
2533 nut_muxer_select="riffenc"
2534 nuv_demuxer_select="riffdec"
2535 oga_muxer_select="ogg_muxer"
2536 ogg_demuxer_select="golomb"
2537 opus_muxer_select="ogg_muxer"
2538 psp_muxer_select="mov_muxer"
2539 rtp_demuxer_select="sdp_demuxer"
2540 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2541 rtsp_demuxer_select="http_protocol rtpdec"
2542 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2543 sap_demuxer_select="sdp_demuxer"
2544 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2545 sdp_demuxer_select="rtpdec"
2546 smoothstreaming_muxer_select="ismv_muxer"
2547 spdif_muxer_select="aac_parser"
2548 spx_muxer_select="ogg_muxer"
2549 tak_demuxer_select="tak_parser"
2550 tg2_muxer_select="mov_muxer"
2551 tgp_muxer_select="mov_muxer"
2552 vobsub_demuxer_select="mpegps_demuxer"
2553 w64_demuxer_select="wav_demuxer"
2554 w64_muxer_select="wav_muxer"
2555 wav_demuxer_select="riffdec"
2556 wav_muxer_select="riffenc"
2557 webm_muxer_select="riffenc"
2558 wtv_demuxer_select="riffdec"
2559 wtv_muxer_select="riffenc"
2560 xmv_demuxer_select="riffdec"
2561 xwma_demuxer_select="riffdec"
2564 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2565 alsa_outdev_deps="alsa_asoundlib_h"
2566 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2567 avfoundation_indev_select="avfoundation"
2568 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2569 caca_outdev_deps="libcaca"
2570 decklink_outdev_deps="decklink pthreads"
2571 decklink_outdev_extralibs="-lstdc++"
2572 decklink_indev_deps="decklink pthreads"
2573 decklink_indev_extralibs="-lstdc++"
2574 dshow_indev_deps="IBaseFilter"
2575 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
2576 dv1394_indev_deps="dv1394"
2577 dv1394_indev_select="dv_demuxer"
2578 fbdev_indev_deps="linux_fb_h"
2579 fbdev_outdev_deps="linux_fb_h"
2580 gdigrab_indev_deps="CreateDIBSection"
2581 gdigrab_indev_extralibs="-lgdi32"
2582 gdigrab_indev_select="bmp_decoder"
2583 iec61883_indev_deps="libiec61883"
2584 jack_indev_deps="jack_jack_h sem_timedwait"
2585 lavfi_indev_deps="avfilter"
2586 libcdio_indev_deps="libcdio"
2587 libdc1394_indev_deps="libdc1394"
2588 libv4l2_indev_deps="libv4l2"
2589 openal_indev_deps="openal"
2590 opengl_outdev_deps="opengl"
2591 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2592 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2593 pulse_indev_deps="libpulse"
2594 pulse_outdev_deps="libpulse"
2595 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2596 qtkit_indev_select="qtkit"
2597 sdl_outdev_deps="sdl"
2598 sndio_indev_deps="sndio_h"
2599 sndio_outdev_deps="sndio_h"
2600 v4l_indev_deps="linux_videodev_h"
2601 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2602 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2603 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2604 vfwcap_indev_extralibs="-lavicap32"
2605 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2606 xv_outdev_extralibs="-lXv -lX11 -lXext"
2607 x11grab_indev_deps="x11grab"
2608 x11grab_xcb_indev_deps="libxcb"
2611 bluray_protocol_deps="libbluray"
2612 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2613 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2614 ffrtmpcrypt_protocol_select="tcp_protocol"
2615 ffrtmphttp_protocol_deps="!librtmp_protocol"
2616 ffrtmphttp_protocol_select="http_protocol"
2617 ftp_protocol_select="tcp_protocol"
2618 gopher_protocol_select="network"
2619 http_protocol_select="tcp_protocol"
2620 httpproxy_protocol_select="tcp_protocol"
2621 https_protocol_select="tls_protocol"
2622 icecast_protocol_select="http_protocol"
2623 librtmp_protocol_deps="librtmp"
2624 librtmpe_protocol_deps="librtmp"
2625 librtmps_protocol_deps="librtmp"
2626 librtmpt_protocol_deps="librtmp"
2627 librtmpte_protocol_deps="librtmp"
2628 libsmbclient_protocol_deps="libsmbclient gplv3"
2629 libssh_protocol_deps="libssh"
2630 mmsh_protocol_select="http_protocol"
2631 mmst_protocol_select="network"
2632 rtmp_protocol_deps="!librtmp_protocol"
2633 rtmp_protocol_select="tcp_protocol"
2634 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2635 rtmps_protocol_deps="!librtmp_protocol"
2636 rtmps_protocol_select="tls_protocol"
2637 rtmpt_protocol_select="ffrtmphttp_protocol"
2638 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2639 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2640 rtp_protocol_select="udp_protocol"
2641 sctp_protocol_deps="struct_sctp_event_subscribe"
2642 sctp_protocol_select="network"
2643 srtp_protocol_select="rtp_protocol"
2644 tcp_protocol_select="network"
2645 tls_gnutls_protocol_deps="gnutls !tls_securetransport_protocol"
2646 tls_gnutls_protocol_select="tcp_protocol"
2647 tls_openssl_protocol_deps="openssl !tls_securetransport_protocol !tls_gnutls_protocol"
2648 tls_openssl_protocol_select="tcp_protocol"
2649 tls_securetransport_protocol_deps="securetransport"
2650 tls_securetransport_protocol_select="tcp_protocol"
2651 tls_protocol_deps_any="tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
2652 udp_protocol_select="network"
2653 udplite_protocol_select="network"
2654 unix_protocol_deps="sys_un_h"
2655 unix_protocol_select="network"
2658 amovie_filter_deps="avcodec avformat"
2659 aresample_filter_deps="swresample"
2660 ass_filter_deps="libass"
2661 asyncts_filter_deps="avresample"
2662 atempo_filter_deps="avcodec"
2663 atempo_filter_select="rdft"
2664 azmq_filter_deps="libzmq"
2665 blackframe_filter_deps="gpl"
2666 boxblur_filter_deps="gpl"
2667 bs2b_filter_deps="libbs2b"
2668 colormatrix_filter_deps="gpl"
2669 cover_rect_filter_deps="avcodec avformat gpl"
2670 cropdetect_filter_deps="gpl"
2671 delogo_filter_deps="gpl"
2672 deshake_filter_select="pixelutils"
2673 drawtext_filter_deps="libfreetype"
2674 ebur128_filter_deps="gpl"
2675 eq_filter_deps="gpl"
2676 fftfilt_filter_deps="avcodec"
2677 fftfilt_filter_select="rdft"
2678 flite_filter_deps="libflite"
2679 find_rect_filter_deps="avcodec avformat gpl"
2680 frei0r_filter_deps="frei0r dlopen"
2681 frei0r_src_filter_deps="frei0r dlopen"
2682 fspp_filter_deps="gpl"
2683 geq_filter_deps="gpl"
2684 histeq_filter_deps="gpl"
2685 hqdn3d_filter_deps="gpl"
2686 interlace_filter_deps="gpl"
2687 kerndeint_filter_deps="gpl"
2688 ladspa_filter_deps="ladspa dlopen"
2689 mcdeint_filter_deps="avcodec gpl"
2690 movie_filter_deps="avcodec avformat"
2691 mpdecimate_filter_deps="gpl"
2692 mpdecimate_filter_select="pixelutils"
2693 mptestsrc_filter_deps="gpl"
2694 negate_filter_deps="lut_filter"
2695 perspective_filter_deps="gpl"
2696 pp7_filter_deps="gpl"
2697 ocv_filter_deps="libopencv"
2698 owdenoise_filter_deps="gpl"
2699 pan_filter_deps="swresample"
2700 phase_filter_deps="gpl"
2701 pp_filter_deps="gpl postproc"
2702 pullup_filter_deps="gpl"
2703 removelogo_filter_deps="avcodec avformat swscale"
2704 repeatfields_filter_deps="gpl"
2705 resample_filter_deps="avresample"
2706 sab_filter_deps="gpl swscale"
2707 scale_filter_deps="swscale"
2708 select_filter_select="pixelutils"
2709 smartblur_filter_deps="gpl swscale"
2710 showcqt_filter_deps="avcodec"
2711 showcqt_filter_select="fft"
2712 showspectrum_filter_deps="avcodec"
2713 showspectrum_filter_select="rdft"
2714 spp_filter_deps="gpl avcodec"
2715 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
2716 stereo3d_filter_deps="gpl"
2717 subtitles_filter_deps="avformat avcodec libass"
2718 super2xsai_filter_deps="gpl"
2719 tinterlace_filter_deps="gpl"
2720 vidstabdetect_filter_deps="libvidstab"
2721 vidstabtransform_filter_deps="libvidstab"
2722 pixfmts_super2xsai_test_deps="super2xsai_filter"
2723 tinterlace_merge_test_deps="tinterlace_filter"
2724 tinterlace_pad_test_deps="tinterlace_filter"
2725 uspp_filter_deps="gpl avcodec"
2726 zmq_filter_deps="libzmq"
2727 zoompan_filter_deps="swscale"
2730 avio_reading="avformat avcodec avutil"
2731 avio_list_dir="avformat avutil"
2732 avcodec_example_deps="avcodec avutil"
2733 decoding_encoding_example_deps="avcodec avformat avutil"
2734 demuxing_decoding_example_deps="avcodec avformat avutil"
2735 extract_mvs_example_deps="avcodec avformat avutil"
2736 filter_audio_example_deps="avfilter avutil"
2737 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2738 filtering_video_example_deps="avfilter avcodec avformat avutil"
2739 metadata_example_deps="avformat avutil"
2740 muxing_example_deps="avcodec avformat avutil swscale"
2741 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2742 remuxing_example_deps="avcodec avformat avutil"
2743 resampling_audio_example_deps="avutil swresample"
2744 scaling_video_example_deps="avutil swscale"
2745 transcode_aac_example_deps="avcodec avformat swresample"
2746 transcoding_example_deps="avfilter avcodec avformat avutil"
2748 # libraries, in linking order
2749 avcodec_deps="avutil"
2750 avdevice_deps="avformat avcodec avutil"
2751 avfilter_deps="avutil"
2752 avformat_deps="avcodec avutil"
2753 avresample_deps="avutil"
2754 postproc_deps="avutil gpl"
2755 swresample_deps="avutil"
2756 swscale_deps="avutil"
2759 ffmpeg_deps="avcodec avfilter avformat swresample"
2760 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2762 setpts_filter trim_filter"
2763 ffplay_deps="avcodec avformat swscale swresample sdl"
2764 ffplay_libs='$sdl_libs'
2765 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
2766 ffprobe_deps="avcodec avformat"
2767 ffserver_deps="avformat fork sarestart"
2768 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2771 podpages_deps="perl"
2772 manpages_deps="perl pod2man"
2773 htmlpages_deps="perl"
2774 htmlpages_deps_any="makeinfo_html texi2html"
2775 txtpages_deps="perl makeinfo"
2776 doc_deps_any="manpages htmlpages podpages txtpages"
2778 # default parameters
2780 logfile="config.log"
2782 # installation paths
2783 prefix_default="/usr/local"
2784 bindir_default='${prefix}/bin'
2785 datadir_default='${prefix}/share/ffmpeg'
2786 docdir_default='${prefix}/share/doc/ffmpeg'
2787 incdir_default='${prefix}/include'
2788 libdir_default='${prefix}/lib'
2789 mandir_default='${prefix}/share/man'
2795 host_cc_default="gcc"
2797 doxygen_default="doxygen"
2802 pkg_config_default=pkg-config
2803 if ranlib 2>&1 | grep -q "\-D "; then
2804 ranlib_default="ranlib -D"
2806 ranlib_default="ranlib"
2808 strip_default="strip"
2809 yasmexe_default="yasm"
2810 windres_default="windres"
2813 target_os_default=$(tolower $(uname -s))
2814 host_os=$target_os_default
2817 if test "$target_os_default" = aix; then
2818 arch_default=$(uname -p)
2819 strip_default="strip -X32_64"
2821 arch_default=$(uname -m)
2826 # configurable options
2827 enable $PROGRAM_LIST
2828 enable $DOCUMENT_LIST
2829 enable $EXAMPLE_LIST
2830 enable $(filter_out avresample $LIBRARY_LIST)
2836 enable faan faandct faanidct
2837 enable optimizations
2838 enable runtime_cpudetect
2839 enable safe_bitstream_reader
2841 enable swscale_alpha
2842 enable valgrind_backtrace
2844 sws_max_filter_size_default=256
2845 set_default sws_max_filter_size
2847 # Enable hwaccels by default.
2848 enable d3d11va dxva2 vaapi vda vdpau xvmc
2852 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2855 FULLNAME='$(NAME)$(BUILDSUF)'
2856 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2859 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2860 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2861 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2862 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2863 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2864 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2886 host_cflags_filter=echo
2887 host_ldflags_filter=echo
2889 target_path='$(CURDIR)'
2891 # since the object filename is not given with the -MM flag, the compiler
2892 # is only able to print the basename, and we must add the path ourselves
2893 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2897 if test -f configure; then
2900 source_path=$(cd $(dirname "$0"); pwd)
2901 echo "$source_path" | grep -q '[[:blank:]]' &&
2902 die "Out of tree builds are impossible with whitespace in source path."
2903 test -e "$source_path/config.h" &&
2904 die "Out of tree builds are impossible with config.h in source dir."
2911 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2917 file=$source_path/$3
2918 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2921 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2922 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2923 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2924 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2925 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2926 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2927 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2928 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2929 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2930 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2931 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2947 for n in $COMPONENT_LIST; do
2948 v=$(toupper ${n%s})_LIST
2950 eval ${n}_if_any="\$$v"
2953 enable $ARCH_EXT_LIST
2956 echo "Unknown option \"$1\"."
2957 echo "See $0 --help for available options."
2962 cat | tr ' ' '\n' | sort | pr -r -3 -t
2968 echo $* | sed s/$suffix//g | print_3_columns
2980 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2981 echo "prob ${prob:-0.5}"
2989 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2990 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2999 --extra-ldexeflags=*)
3000 add_ldexeflags $optval
3003 add_extralibs $optval
3006 disable $INDEV_LIST $OUTDEV_LIST
3009 debuglevel="$optval"
3012 disable $PROGRAM_LIST
3014 --disable-everything)
3015 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3018 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3019 disable $LIBRARY_LIST $PROGRAM_LIST doc
3021 --enable-random|--disable-random)
3022 action=${opt%%-random}
3023 do_random ${action#--} $COMPONENT_LIST
3025 --enable-random=*|--disable-random=*)
3026 action=${opt%%-random=*}
3027 do_random ${action#--} $optval
3029 --enable-*=*|--disable-*=*)
3030 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3031 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3032 eval list=\$$(toupper $thing)_LIST
3033 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3034 list=$(filter "$name" $list)
3035 [ "$list" = "" ] && warn "Option $opt did not match anything"
3038 --enable-?*|--disable-?*)
3039 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3040 if is_in $option $COMPONENT_LIST; then
3041 test $action = disable && action=unset
3042 eval $action \$$(toupper ${option%s})_LIST
3043 elif is_in $option $CMDLINE_SELECT; then
3050 NAME="${opt#--list-}"
3051 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3053 eval show_list $NAME \$$(toupper $NAME)_LIST
3055 --help|-h) show_help
3057 --fatal-warnings) enable fatal_warnings
3060 optname="${opt%%=*}"
3061 optname="${optname#--}"
3062 optname=$(echo "$optname" | sed 's/-/_/g')
3063 if is_in $optname $CMDLINE_SET; then
3064 eval $optname='$optval'
3065 elif is_in $optname $CMDLINE_APPEND; then
3066 append $optname "$optval"
3078 disabled logging && logfile=/dev/null
3080 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3083 test -n "$valgrind" && toolchain="valgrind-memcheck"
3085 case "$toolchain" in
3088 add_cflags -fsanitize=address
3089 add_ldflags -fsanitize=address
3093 add_cflags -fsanitize=thread -pie
3094 add_ldflags -fsanitize=thread -pie
3098 add_cflags -fsanitize=undefined
3099 add_ldflags -fsanitize=undefined
3103 add_cflags -fsanitize=address
3104 add_ldflags -fsanitize=address
3108 add_cflags -fsanitize=thread -pie -fPIC
3109 add_ldflags -fsanitize=thread -pie -fPIC
3113 add_cflags -fsanitize=undefined
3114 add_ldflags -fsanitize=undefined
3117 target_exec_default=${valgrind:-"valgrind"}
3118 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"
3121 target_exec_default=${valgrind:-"valgrind"}
3122 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3125 # Check whether the current MSVC version needs the C99 converter.
3126 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3127 # support enough of C99 to build ffmpeg. Default to the new
3128 # behaviour if the regexp was unable to match anything, since this
3129 # successfully parses the version number of existing supported
3130 # versions that require the converter (MSVC 2010 and 2012).
3131 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3132 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3135 cc_default="c99wrap cl"
3138 nm_default="dumpbin -symbols"
3140 target_os_default="win32"
3141 # Use a relative path for TMPDIR. This makes sure all the
3142 # ffconf temp files are written with a relative path, avoiding
3143 # issues with msys/win32 path conversion for MSVC parameters
3144 # such as -Fo<file> or -out:<file>.
3150 nm_default="dumpbin -symbols"
3152 target_os_default="win32"
3156 add_cflags -fprofile-arcs -ftest-coverage
3157 add_ldflags -fprofile-arcs -ftest-coverage
3160 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3161 add_cflags -fno-strict-overflow -fstack-protector-all
3162 add_ldflags -Wl,-z,relro -Wl,-z,now
3165 die "Unknown toolchain $toolchain"
3169 test -n "$cross_prefix" && enable cross_compile
3171 if enabled cross_compile; then
3172 test -n "$arch" && test -n "$target_os" ||
3173 die "Must specify target arch and OS when cross-compiling"
3176 ar_default="${cross_prefix}${ar_default}"
3177 cc_default="${cross_prefix}${cc_default}"
3178 cxx_default="${cross_prefix}${cxx_default}"
3179 nm_default="${cross_prefix}${nm_default}"
3180 pkg_config_default="${cross_prefix}${pkg_config_default}"
3181 ranlib_default="${cross_prefix}${ranlib_default}"
3182 strip_default="${cross_prefix}${strip_default}"
3183 windres_default="${cross_prefix}${windres_default}"
3185 sysinclude_default="${sysroot}/usr/include"
3187 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3188 target_exec target_os yasmexe
3189 enabled cross_compile || host_cc_default=$cc
3192 pkg_config_fail_message=""
3193 if ! $pkg_config --version >/dev/null 2>&1; then
3194 warn "$pkg_config not found, library detection may fail."
3196 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3197 pkg_config_fail_message="
3198 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3201 if test $doxygen != $doxygen_default && \
3202 ! $doxygen --version >/dev/null 2>&1; then
3203 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3208 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3212 EXESUF=$(exesuf $target_os)
3213 HOSTEXESUF=$(exesuf $host_os)
3215 # set temporary file name
3216 : ${TMPDIR:=$TEMPDIR}
3220 if [ -n "$tempprefix" ] ; then
3222 echo $tempprefix.${HOSTNAME}.${UID}
3224 elif ! check_cmd mktemp -u XXXXXX; then
3225 # simple replacement for missing mktemp
3226 # NOT SAFE FOR GENERAL USE
3228 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3233 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3234 (set -C; exec > $tmp) 2>/dev/null ||
3235 die "Unable to create temporary file in $TMPDIR."
3236 append TMPFILES $tmp
3240 trap 'rm -f -- $TMPFILES' EXIT
3245 tmpfile TMPE $EXESUF
3257 # make sure we can execute files in $TMPDIR
3258 cat > $TMPSH 2>> $logfile <<EOF
3261 chmod +x $TMPSH >> $logfile 2>&1
3262 if ! $TMPSH >> $logfile 2>&1; then
3264 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3265 variable to another directory and make sure that it is not mounted noexec.
3267 die "Sanity test failed."
3273 # Filter out MSVC cl.exe options from cflags that shouldn't
3274 # be passed to gas-preprocessor
3284 -std=c99) echo -c99 ;;
3285 -mcpu=*) echo -arch ${flag#*=} ;;
3286 -mieee) echo -ieee ;;
3287 -O*|-fast) echo $flag ;;
3288 -fno-math-errno) echo -assume nomath_errno ;;
3290 -Wall) echo -msg_enable level2 ;;
3291 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3292 -Wl,*) echo $flag ;;
3302 -Wno-switch) echo -Wno-switch-enum ;;
3303 -Wno-format-zero-length) ;;
3304 -Wdisabled-optimization) ;;
3305 -Wno-pointer-sign) echo -Wno-other ;;
3311 msvc_common_flags(){
3314 # In addition to specifying certain flags under the compiler
3315 # specific filters, they must be specified here as well or else the
3316 # generic catch all at the bottom will print the original flag.
3320 -fomit-frame-pointer) ;;
3324 -fno-signed-zeros) ;;
3328 -lz) echo zlib.lib ;;
3329 -lavifil32) echo vfw32.lib ;;
3330 -lavicap32) echo vfw32.lib user32.lib ;;
3331 -l*) echo ${flag#-l}.lib ;;
3332 -L*) echo -libpath:${flag#-L} ;;
3339 msvc_common_flags "$@"
3342 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3343 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3344 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3346 -wd4273 -wd4554 -wd4701 ;;
3352 msvc_common_flags "$@"
3355 # Despite what Intel's documentation says -Wall, which is supported
3356 # on Windows, does enable remarks so disable them here.
3357 -Wall) echo $flag -Qdiag-disable:remark ;;
3358 -std=c99) echo -Qstd=c99 ;;
3376 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3377 -fomit-frame-pointer) echo -Mnoframe ;;
3388 case "${flag#*=}" in
3389 native) echo -xtarget=native ;;
3390 v9|niagara) echo -xarch=sparc ;;
3391 ultrasparc) echo -xarch=sparcvis ;;
3392 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3393 i586|pentium) echo -xchip=pentium ;;
3394 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3395 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3396 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3397 pentium4*) echo -xtarget=pentium4 ;;
3398 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3399 *-sse3) echo -xarch=sse3 ;;
3400 core2) echo -xarch=ssse3 -xchip=core2 ;;
3401 bonnell) echo -xarch=ssse3 ;;
3402 corei7|nehalem) echo -xtarget=nehalem ;;
3403 westmere) echo -xtarget=westmere ;;
3404 silvermont) echo -xarch=sse4_2 ;;
3405 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3406 core-avx*|ivybridge|haswell|broadwell)
3408 amdfam10|barcelona) echo -xtarget=barcelona ;;
3409 btver1) echo -xarch=amdsse4a ;;
3410 btver2|bdver*) echo -xarch=avx ;;
3411 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3412 k8|opteron|athlon64|athlon-fx)
3413 echo -xarch=sse2a ;;
3414 athlon*) echo -xarch=pentium_proa ;;
3417 -std=c99) echo -xc99 ;;
3418 -fomit-frame-pointer) echo -xregs=frameptr ;;
3419 -fPIC) echo -KPIC -xcode=pic32 ;;
3420 -W*,*) echo $flag ;;
3421 -f*-*|-W*|-mimpure-text) ;;
3432 case "${flag#*=}" in
3433 armv7-a|cortex-a*) echo -mv=7a8 ;;
3434 armv7-r|cortex-r*) echo -mv=7r4 ;;
3435 armv7-m|cortex-m*) echo -mv=7m3 ;;
3436 armv6*|arm11*) echo -mv=6 ;;
3437 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3439 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3442 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3443 -mfpu=vfp) echo --float_support=vfpv2 ;;
3444 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3445 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3446 -msoft-float) echo --float_support=vfplib ;;
3447 -O[0-3]|-mf=*) echo $flag ;;
3449 -pds=*) echo $flag ;;
3450 -D*|-I*) echo $flag ;;
3451 --gcc|--abi=*) echo $flag ;;
3461 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3462 unset _ld_o _ldflags _ld_lib _ld_path
3463 unset _depflags _DEPCMD _DEPFLAGS
3466 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3467 true # no-op to avoid reading stdin in following checks
3468 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3470 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
3471 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
3472 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3475 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3477 gcc_version=$($_cc --version | head -n1)
3478 gcc_basever=$($_cc -dumpversion)
3479 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3480 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3481 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3482 if ! $_cc -dumpversion | grep -q '^2\.'; then
3483 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3487 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3489 _ident=$($_cc --version | head -n1)
3494 _flags_filter=icc_flags
3495 elif $_cc -v 2>&1 | grep -q xlc; then
3497 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3499 _cflags_size='-O5 -qcompact'
3500 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3502 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3504 _cflags_speed='-fast'
3506 _flags_filter=ccc_flags
3507 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3508 test -d "$sysroot" || die "No valid sysroot specified."
3510 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3511 armcc_conf="$PWD/armcc.conf"
3512 $_cc --arm_linux_configure \
3513 --arm_linux_config_file="$armcc_conf" \
3514 --configure_sysroot="$sysroot" \
3515 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3516 die "Error creating armcc configuration file."
3517 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3518 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3519 as_default="${cross_prefix}gcc"
3523 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3525 _ident=$($_cc -version | head -n1 | tr -s ' ')
3526 _flags='--gcc --abi=eabi -me'
3529 _depflags='-ppa -ppd=$(@:.o=.d)'
3530 _cflags_speed='-O3 -mf=5'
3531 _cflags_size='-O3 -mf=2'
3532 _flags_filter=tms470_flags
3533 elif $_cc -v 2>&1 | grep -q clang; then
3535 _ident=$($_cc --version | head -n1)
3536 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3539 elif $_cc -V 2>&1 | grep -q Sun; then
3541 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3542 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3543 _DEPFLAGS='-xM1 -xc99'
3546 _cflags_size='-O5 -xspace'
3547 _flags_filter=suncc_flags
3548 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3550 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3551 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3554 _flags_filter='filter_out -Wdisabled-optimization'
3555 elif $_cc -v 2>&1 | grep -q Open64; then
3557 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3558 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3561 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3562 elif $_cc -V 2>&1 | grep -q Portland; then
3564 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3565 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3566 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3567 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3569 _flags_filter=pgi_flags
3570 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3572 _ident=$($_cc | head -n1)
3573 # 4509: "This form of conditional instruction is deprecated"
3574 _flags="-nologo -ignore 4509"
3575 _flags_filter=armasm_flags
3576 elif $_cc 2>&1 | grep -q Intel; then
3578 _ident=$($_cc 2>&1 | head -n1)
3579 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3580 # Not only is O3 broken on 13.x+ but it is slower on all previous
3581 # versions (tested) as well.
3583 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3584 if $_cc 2>&1 | grep -q Linker; then
3591 _flags_filter=icl_flags
3593 _ld_path='-libpath:'
3594 # -Qdiag-error to make icl error when seeing certain unknown arguments
3595 _flags='-nologo -Qdiag-error:4044,10157'
3596 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3597 # with MSVC which enables it by default.
3598 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3600 elif $_cc 2>&1 | grep -q Microsoft; then
3602 _ident=$($_cc 2>&1 | head -n1)
3603 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3604 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3607 if $_cc 2>&1 | grep -q Linker; then
3614 _flags_filter=msvc_flags
3616 _ld_path='-libpath:'
3618 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3620 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3622 _ident=$($_cc --version | head -n1)
3626 _flags_filter=cparser_flags
3629 eval ${pfx}_type=\$_type
3630 eval ${pfx}_ident=\$_ident
3634 eval ${1}_C=\${_cc_c-\${${1}_C}}
3635 eval ${1}_E=\${_cc_e-\${${1}_E}}
3636 eval ${1}_O=\${_cc_o-\${${1}_O}}
3638 if [ -n "$_depflags" ]; then
3639 eval ${1}_DEPFLAGS=\$_depflags
3641 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3642 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3643 eval DEP${1}FLAGS=\$_flags
3648 cflags_filter=$_flags_filter
3649 cflags_speed=$_cflags_speed
3650 cflags_size=$_cflags_size
3651 cflags_noopt=$_cflags_noopt
3652 add_cflags $_flags $_cflags
3653 cc_ldflags=$_ldflags
3656 probe_cc hostcc "$host_cc"
3657 host_cflags_filter=$_flags_filter
3658 add_host_cflags $_flags $_cflags
3661 test -n "$cc_type" && enable $cc_type ||
3662 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3664 : ${as_default:=$cc}
3665 : ${dep_cc_default:=$cc}
3666 : ${ld_default:=$cc}
3667 : ${host_ld_default:=$host_cc}
3668 set_default ar as dep_cc ld host_ld windres
3671 asflags_filter=$_flags_filter
3672 add_asflags $_flags $_cflags
3676 ldflags_filter=$_flags_filter
3677 add_ldflags $_flags $_ldflags
3678 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3680 LD_LIB=${_ld_lib-$LD_LIB}
3681 LD_PATH=${_ld_path-$LD_PATH}
3683 probe_cc hostld "$host_ld"
3684 host_ldflags_filter=$_flags_filter
3685 add_host_ldflags $_flags $_ldflags
3686 HOSTLD_O=${_ld_o-$HOSTLD_O}
3688 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3689 probe_cc depcc "$dep_cc"
3690 CCDEP=${_DEPCMD:-$DEPCMD}
3691 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3695 if $ar 2>&1 | grep -q Microsoft; then
3698 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3701 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3702 arflags='-Xany -r -c'
3704 elif $ar 2>&1 | grep -q "\[D\] "; then
3712 add_cflags $extra_cflags
3713 add_cxxflags $extra_cxxflags
3714 add_asflags $extra_cflags
3716 if test -n "$sysroot"; then
3719 add_cppflags --sysroot="$sysroot"
3720 add_ldflags --sysroot="$sysroot"
3721 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
3722 add_cppflags -isysroot "$sysroot"
3723 add_ldflags -isysroot "$sysroot"
3726 add_cppflags -I"$sysinclude"
3727 add_ldflags --sysroot="$sysroot"
3732 if test "$cpu" = host; then
3733 enabled cross_compile &&
3734 die "--cpu=host makes no sense when cross-compiling."
3739 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3741 s/.*$1=\\([^ ]*\\).*/\\1/
3746 cpu=$(check_native -march || check_native -mcpu)
3750 test "${cpu:-host}" = host &&
3751 die "--cpu=host not supported with compiler $cc"
3754 # Deal with common $arch aliases
3768 "Power Macintosh"|ppc*|powerpc*)
3783 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3788 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3791 # Add processor-specific flags
3792 if enabled aarch64; then
3796 cpuflags="-march=$cpu"
3799 cpuflags="-mcpu=$cpu"
3803 elif enabled alpha; then
3805 cpuflags="-mcpu=$cpu"
3807 elif enabled arm; then
3810 check_cpp_condition stddef.h \
3811 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3816 if check_arm_arch 4; then echo armv4;
3817 elif check_arm_arch 4T; then echo armv4t;
3818 elif check_arm_arch 5; then echo armv5;
3819 elif check_arm_arch 5E; then echo armv5e;
3820 elif check_arm_arch 5T; then echo armv5t;
3821 elif check_arm_arch 5TE; then echo armv5te;
3822 elif check_arm_arch 5TEJ; then echo armv5te;
3823 elif check_arm_arch 6; then echo armv6;
3824 elif check_arm_arch 6J; then echo armv6j;
3825 elif check_arm_arch 6K; then echo armv6k;
3826 elif check_arm_arch 6Z; then echo armv6z;
3827 elif check_arm_arch 6ZK; then echo armv6zk;
3828 elif check_arm_arch 6T2; then echo armv6t2;
3829 elif check_arm_arch 7; then echo armv7;
3830 elif check_arm_arch 7A 7_A; then echo armv7-a;
3831 elif check_arm_arch 7S; then echo armv7-a;
3832 elif check_arm_arch 7R 7_R; then echo armv7-r;
3833 elif check_arm_arch 7M 7_M; then echo armv7-m;
3834 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3835 elif check_arm_arch 8A 8_A; then echo armv8-a;
3839 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3843 cpuflags="-march=$cpu"
3844 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3847 cpuflags="-mcpu=$cpu"
3849 cortex-a*) subarch=armv7a ;;
3850 cortex-r*) subarch=armv7r ;;
3851 cortex-m*) enable thumb; subarch=armv7m ;;
3852 arm11*) subarch=armv6 ;;
3853 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3854 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3855 *) subarch=$(probe_arm_arch) ;;
3861 armv5t*) enable fast_clz ;;
3864 disabled fast_unaligned || enable fast_unaligned
3868 elif enabled avr32; then
3873 cpuflags="-mpart=$cpu"
3877 cpuflags="-march=$cpu"
3881 cpuflags="-mcpu=$cpu"
3885 cpuflags="-march=$cpu"
3889 elif enabled bfin; then
3891 cpuflags="-mcpu=$cpu"
3893 elif enabled mips; then
3895 cpuflags="-march=$cpu"
3920 24kef*|34kf*|1004kf*)
3942 check_cflags "-mtune=p5600"
3950 check_cflags "-mtune=i6400 -mabi=64"
3951 check_ldflags "-mabi=64"
3961 enable local_aligned_8 local_aligned_16
3962 enable simd_align_16
3966 enable fast_unaligned
3967 disable aligned_stack
3968 cpuflags="-march=loongson3a -mhard-float"
3977 elif enabled ppc; then
3981 case $(tolower $cpu) in
3982 601|ppc601|powerpc601)
3983 cpuflags="-mcpu=601"
3986 603*|ppc603*|powerpc603*)
3987 cpuflags="-mcpu=603"
3990 604*|ppc604*|powerpc604*)
3991 cpuflags="-mcpu=604"
3994 g3|75*|ppc75*|powerpc75*)
3995 cpuflags="-mcpu=750"
3998 g4|745*|ppc745*|powerpc745*)
3999 cpuflags="-mcpu=7450"
4002 74*|ppc74*|powerpc74*)
4003 cpuflags="-mcpu=7400"
4006 g5|970|ppc970|powerpc970)
4007 cpuflags="-mcpu=970"
4011 cpuflags="-mcpu=$cpu"
4015 cpuflags="-mcpu=$cpu"
4018 cpuflags="-mcpu=cell"
4023 cpuflags="-mcpu=e500mc"
4027 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4032 cpuflags="-mcpu=8540 -mhard-float"
4041 elif enabled sparc; then
4044 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4045 cpuflags="-mcpu=$cpu"
4047 ultrasparc*|niagara[234])
4048 cpuflags="-mcpu=$cpu"
4052 elif enabled x86; then
4056 cpuflags="-march=$cpu"
4060 # targets that do NOT support nopl and conditional mov (cmov)
4061 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4062 cpuflags="-march=$cpu"
4065 # targets that do support nopl and conditional mov (cmov)
4066 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4067 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)
4068 cpuflags="-march=$cpu"
4072 # targets that do support conditional mov but on which it's slow
4073 pentium4|pentium4m|prescott|nocona)
4074 cpuflags="-march=$cpu"
4082 if [ "$cpu" != generic ]; then
4083 add_cflags $cpuflags
4084 add_asflags $cpuflags
4087 # compiler sanity check
4089 int main(void){ return 0; }
4091 if test "$?" != 0; then
4092 echo "$cc is unable to create an executable file."
4093 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4094 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4095 echo "Only do this if you know what cross compiling means."
4097 die "C compiler test failed."
4100 add_cppflags -D_ISOC99_SOURCE
4101 add_cxxflags -D__STDC_CONSTANT_MACROS
4102 check_cflags -std=c99
4103 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
4106 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
4110 add_host_cppflags -D_ISOC99_SOURCE
4111 check_host_cflags -std=c99
4112 check_host_cflags -Wall
4113 check_host_cflags -O3
4119 check_code cc "" "int test[2*($expr) - 1]" &&
4120 subarch=$arch64 || subarch=$arch32
4128 check_64bit mips mips64 '_MIPS_SIM > 1'
4132 check_64bit parisc parisc64 'sizeof(void *) > 4'
4136 check_64bit ppc ppc64 'sizeof(void *) > 4'
4140 check_64bit s390 s390x 'sizeof(void *) > 4'
4144 check_64bit sparc sparc64 'sizeof(void *) > 4'
4148 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4149 # Treat x32 as x64 for now. Note it also needs spic=$shared
4150 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4152 if test "$subarch" = "x86_64"; then
4157 check_cc <<EOF && subarch="ppc64"
4158 int test[(int)sizeof(char*) - 7];
4164 enabled spic && enable_weak pic
4170 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4171 enabled shared && add_ldflags -Wl,-brtl
4175 enable section_data_rel_ro
4176 SLIB_INSTALL_NAME='$(SLIBNAME)'
4178 # soname not set on purpose
4182 prefix_default="/boot/common"
4183 network_extralibs="-lnetwork"
4187 SHFLAGS='-shared -Wl,-h,$$(@F)'
4188 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
4189 network_extralibs="-lsocket -lnsl"
4190 add_cppflags -D__EXTENSIONS__
4191 # When using suncc to build, the Solaris linker will mark
4192 # an executable with each instruction set encountered by
4193 # the Solaris assembler. As our libraries contain their own
4194 # guards for processor-specific code, instead suppress
4195 # generation of the HWCAPS ELF section on Solaris x86 only.
4196 enabled_all suncc x86 &&
4197 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4198 add_ldflags -Wl,-M,mapfile
4199 nm_default='nm -P -g'
4203 oss_indev_extralibs="-lossaudio"
4204 oss_outdev_extralibs="-lossaudio"
4205 enabled gcc || check_ldflags -Wl,-zmuldefs
4210 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4212 oss_indev_extralibs="-lossaudio"
4213 oss_outdev_extralibs="-lossaudio"
4221 add_extralibs -lpoll -lgnugetopt
4225 enabled ppc && add_asflags -force_cpusubtype_ALL
4226 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4227 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4229 add_ldflags -Wl,-dynamic,-search_paths_first
4231 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4232 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4234 enabled x86_64 && objformat="macho64"
4235 enabled_any pic shared x86_64 ||
4236 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4239 if test $target_os = "mingw32ce"; then
4245 if enabled x86_64; then
4246 LIBTARGET="i386:x86-64"
4247 elif enabled arm; then
4250 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4251 check_ldflags -Wl,--nxcompat
4252 check_ldflags -Wl,--dynamicbase
4253 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4254 shlibdir_default="$bindir_default"
4257 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4258 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4259 dlltool="${cross_prefix}dlltool"
4260 if check_cmd lib.exe -list; then
4261 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4262 if enabled x86_64; then
4265 elif check_cmd $dlltool --version; then
4266 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4268 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4270 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4271 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4272 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
4279 if enabled shared; then
4280 # Link to the import library instead of the normal static library
4283 # Cannot build both shared and static libs with MSVC or icl.
4286 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
4287 shlibdir_default="$bindir_default"
4290 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4291 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4292 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4293 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4295 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4296 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4297 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4304 shlibdir_default="$bindir_default"
4307 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4308 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4309 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4311 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4312 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4315 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4317 *-dos|freedos|opendos)
4318 network_extralibs="-lsocket"
4321 add_cppflags -U__STRICT_ANSI__
4325 enable section_data_rel_ro
4329 ranlib="echo ignoring ranlib"
4335 add_cppflags -D_GNU_SOURCE
4336 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4337 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4341 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4342 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4343 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4344 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4345 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4346 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4347 emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'
4348 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4349 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4350 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4352 enable_weak os2threads
4355 add_cppflags -D_BSD_SOURCE
4360 add_cppflags -D_QNX_SOURCE
4361 network_extralibs="-lsocket"
4366 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4367 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4368 add_ldflags -Wl,--target1-abs,--no-undefined \
4369 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4370 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4371 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4372 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4373 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4376 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4381 add_cppflags -D_C99_SNPRINTF_EXTENSION \
4382 -D_REENTRANT_SOURCE \
4383 -D_RESEARCH_SOURCE \
4386 add_compat strtod.o strtod=avpriv_strtod
4387 network_extralibs='-lbsd'
4388 exeobjs=compat/plan9/main.o
4395 die "Unknown OS '$target_os'."
4399 # determine libc flavour
4404 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4405 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4406 eval ${pfx}libc_type=uclibc
4407 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4408 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4409 eval ${pfx}libc_type=glibc
4410 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4411 # MinGW headers can be installed on Cygwin, so check for newlib first.
4412 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4413 eval ${pfx}libc_type=newlib
4414 add_${pfx}cppflags -U__STRICT_ANSI__
4415 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4416 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4417 eval ${pfx}libc_type=mingw64
4418 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
4419 add_compat msvcrt/snprintf.o
4420 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
4422 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4423 eval test \$${pfx_no_}cc_type = "gcc" &&
4424 add_${pfx}cppflags -D__printf__=__gnu_printf__
4425 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4426 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4427 eval ${pfx}libc_type=mingw32
4428 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4429 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4430 die "ERROR: MinGW32 runtime version must be >= 3.15."
4431 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4432 eval test \$${pfx_no_}cc_type = "gcc" &&
4433 add_${pfx}cppflags -D__printf__=__gnu_printf__
4434 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4435 eval ${pfx}libc_type=msvcrt
4436 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
4437 if [ "$pfx" = host_ ]; then
4438 add_host_cppflags -Dsnprintf=_snprintf
4440 add_compat strtod.o strtod=avpriv_strtod
4441 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4442 _snprintf=avpriv_snprintf \
4443 vsnprintf=avpriv_vsnprintf
4446 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4447 # 0x601 by default unless something else is set by the user.
4448 # This can easily lead to us detecting functions only present
4449 # in such new versions and producing binaries requiring windows 7.0.
4450 # Therefore explicitly set the default to XP unless the user has
4451 # set something else on the command line.
4452 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4453 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
4454 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4455 eval ${pfx}libc_type=klibc
4456 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4457 eval ${pfx}libc_type=bionic
4458 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4459 eval ${pfx}libc_type=solaris
4460 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4462 check_${pfx}cc <<EOF
4464 void *v = localtime_r;
4466 test "$?" != 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
4468 void *v = localtime_r;
4474 test -n "$libc_type" && enable libc_$libc_type
4476 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4480 add_compat strtod.o strtod=avpriv_strtod
4484 # hacks for compiler/libc/os combinations
4486 if enabled_all tms470 libc_glibc; then
4487 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4488 add_cppflags -D__USER_LABEL_PREFIX__=
4489 add_cppflags -D__builtin_memset=memset
4490 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4491 add_cflags -pds=48 # incompatible redefinition of macro
4494 if enabled_all ccc libc_glibc; then
4495 add_ldflags -Wl,-z,now # calls to libots crash without this
4498 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4499 add_cppflags '-I\$(SRC_PATH)/compat/float'
4502 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4505 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
4507 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4510 : ${shlibdir_default:="$libdir"}
4511 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
4513 set_default $PATHS_LIST
4516 # we need to build at least one lib type
4517 if ! enabled_any static shared; then
4519 At least one library type must be built.
4520 Specify --enable-static to build the static libraries or --enable-shared to
4521 build the shared libraries as well. To only build the shared libraries specify
4522 --disable-static in addition to --enable-shared.
4527 die_license_disabled() {
4528 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
4531 die_license_disabled_gpl() {
4532 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
4535 die_license_disabled gpl frei0r
4536 die_license_disabled gpl libcdio
4537 die_license_disabled gpl libsmbclient
4538 die_license_disabled gpl libutvideo
4539 die_license_disabled gpl libvidstab
4540 die_license_disabled gpl libx264
4541 die_license_disabled gpl libx265
4542 die_license_disabled gpl libxavs
4543 die_license_disabled gpl libxvid
4544 die_license_disabled gpl libzvbi
4545 die_license_disabled gpl x11grab
4547 die_license_disabled nonfree libaacplus
4548 die_license_disabled nonfree libfaac
4549 die_license_disabled nonfree nvenc
4550 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
4551 enabled gpl && die_license_disabled_gpl nonfree openssl
4553 die_license_disabled version3 libopencore_amrnb
4554 die_license_disabled version3 libopencore_amrwb
4555 die_license_disabled version3 libsmbclient
4556 die_license_disabled version3 libvo_aacenc
4557 die_license_disabled version3 libvo_amrwbenc
4559 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4561 disabled optimizations || check_cflags -fomit-frame-pointer
4564 disabled pic && return
4567 case "$target_os" in
4577 enabled pic && enable_weak_pic
4579 check_cc <<EOF || die "Symbol mangling check failed."
4582 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4583 extern_prefix=${sym%%ff_extern*}
4585 check_cc <<EOF && enable_weak inline_asm
4586 void foo(void) { __asm__ volatile ("" ::); }
4590 for restrict_keyword in restrict __restrict__ __restrict; do
4591 check_cc <<EOF && _restrict=$restrict_keyword && break
4592 void foo(char * $restrict_keyword p);
4596 check_cc <<EOF && enable pragma_deprecated
4597 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4600 check_cc <<EOF && enable attribute_packed
4601 struct { int x; } __attribute__((packed)) x;
4604 check_cc <<EOF && enable attribute_may_alias
4605 union { int x; } __attribute__((may_alias)) x;
4608 check_cc <<EOF || die "endian test failed"
4609 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4611 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4615 log "check_gas using '$as' as AS"
4616 # :vararg is used on aarch64, arm and ppc altivec
4617 check_as <<EOF || return 1
4618 .macro m n, y:vararg=0
4623 # .altmacro is only used in arm asm
4624 ! enabled arm || check_as <<EOF || return 1
4631 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
4633 enabled_any arm aarch64 && nogas=die
4634 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
4638 arm*) gaspp_as_type=armasm; as_noop=-h ;;
4639 gcc) gaspp_as_type=gas ;;
4640 *) gaspp_as_type=$as_type ;;
4643 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
4645 test "${as#*gas-preprocessor.pl}" != "$as" ||
4646 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
4647 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
4649 if ! check_gas ; then
4652 $nogas "GNU assembler not found, install/update gas-preprocessor"
4655 check_as <<EOF && enable as_func
4661 check_inline_asm inline_asm_labels '"1:\n"'
4663 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
4665 if enabled aarch64; then
4666 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
4667 # internal assembler in clang 3.3 does not support this instruction
4668 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
4669 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
4671 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4673 elif enabled alpha; then
4677 elif enabled arm; then
4679 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
4680 float func(float a, float b){ return a+b; }
4683 enabled thumb && check_cflags -mthumb || check_cflags -marm
4685 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4687 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
4688 case "${cross_prefix:-$cc}" in
4689 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4690 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4691 __asm__ (".eabi_attribute 28, 1");
4692 int main(void) { return 0; }
4695 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4698 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4699 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4700 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4701 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4702 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4703 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4704 enabled setend && check_insn setend 'setend be'
4706 [ $target_os = linux ] || [ $target_os = android ] ||
4707 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4710 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4712 check_as <<EOF && enable as_dn_directive
4717 # llvm's integrated assembler supports .object_arch from llvm 3.5
4718 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
4722 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4724 elif enabled mips; then
4726 # Enable minimum ISA based on selected options
4727 if enabled mips64 && (enabled mipsdspr1 || enabled mipsdspr2); then
4728 add_cflags "-mips64r2"
4729 add_asflags "-mips64r2"
4730 elif enabled mips64 && enabled mipsfpu && disabled loongson3; then
4731 add_cflags "-mips64"
4732 add_asflags "-mips64"
4733 elif enabled mipsdspr1 || enabled mipsdspr2; then
4734 add_cflags "-mips32r2 -mfp32"
4735 add_asflags "-mips32r2 -mfp32"
4736 elif enabled mips32r5 || enabled mips64r6; then
4737 check_cflags "-mfp64"
4738 check_ldflags "-mfp64"
4741 enabled mips32r5 && check_cflags "-mips32r5 -msched-weight -mload-store-pairs -funroll-loops" &&
4742 check_ldflags "-mips32r5" &&
4743 check_inline_asm mips32r5 '"ulw $t0, ($t1)"'
4744 enabled mips64r6 && check_cflags "-mips64r6 -msched-weight -mload-store-pairs -funroll-loops" &&
4745 check_ldflags "-mips64r6" &&
4746 check_inline_asm mips64r6 '"aui $t0, $t1, 1"'
4747 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
4748 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
4749 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
4750 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
4751 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
4752 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
4753 enabled msa && check_cflags "-mmsa" && check_ldflags "-mmsa" &&
4754 check_inline_asm msa '"addvi.b $w0, $w1, 1"'
4755 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
4757 enabled mips32r5 && add_asflags "-mips32r5 -mfp64"
4758 enabled mips64r6 && add_asflags "-mips64r6 -mfp64"
4759 enabled msa && add_asflags "-mmsa"
4761 elif enabled parisc; then
4763 if enabled gcc; then
4764 case $($cc -dumpversion) in
4765 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
4769 elif enabled ppc; then
4771 enable local_aligned_8 local_aligned_16 local_aligned_32
4773 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4774 check_inline_asm ibm_asm '"add 0, 0, 0"'
4775 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4776 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4778 # AltiVec flags: The FSF version of GCC differs from the Apple version
4779 if enabled altivec; then
4780 check_cflags -maltivec -mabi=altivec &&
4781 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4782 check_cflags -faltivec
4784 # check if our compiler supports Motorola AltiVec C API
4785 check_cc <<EOF || disable altivec
4788 vector signed int v1 = (vector signed int) { 0 };
4789 vector signed int v2 = (vector signed int) { 1 };
4790 v1 = vec_add(v1, v2);
4795 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4798 if enabled vsx; then
4799 check_cflags -mvsx &&
4800 check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx
4803 if enabled power8; then
4804 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
4807 elif enabled x86; then
4809 check_builtin rdtsc intrin.h "__rdtsc()"
4810 check_builtin mm_empty mmintrin.h "_mm_empty()"
4812 enable local_aligned_8 local_aligned_16 local_aligned_32
4814 # check whether EBP is available on x86
4815 # As 'i' is stored on the stack, this program will crash
4816 # if the base pointer is used to access it because the
4817 # base pointer is cleared in the inline assembly code.
4818 check_exec_crash <<EOF && enable ebp_available
4820 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4824 # check whether EBX is available on x86
4825 check_inline_asm ebx_available '""::"b"(0)' &&
4826 check_inline_asm ebx_available '"":::"%ebx"'
4828 # check whether xmm clobbers are supported
4829 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4831 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
4832 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
4834 # check whether binutils is new enough to compile SSSE3/MMXEXT
4835 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4836 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4838 if ! disabled_any asm mmx yasm; then
4839 if check_cmd $yasmexe --version; then
4840 enabled x86_64 && yasm_extra="-m amd64"
4841 yasm_debug="-g dwarf2"
4842 elif check_cmd nasm -v; then
4844 yasm_debug="-g -F dwarf"
4845 if enabled x86_64; then
4846 case "$objformat" in
4847 elf) objformat=elf64 ;;
4848 win32) objformat=win64 ;;