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-libkvazaar enable HEVC encoding via libkvazaar [no]
226 --enable-libmfx enable HW acceleration through libmfx
227 --enable-libmodplug enable ModPlug via libmodplug [no]
228 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
229 --enable-libnut enable NUT (de)muxing via libnut,
230 native (de)muxer exists [no]
231 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
232 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
233 --enable-libopencv enable video filtering via libopencv [no]
234 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
235 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
236 --enable-libopus enable Opus de/encoding via libopus [no]
237 --enable-libpulse enable Pulseaudio input via libpulse [no]
238 --enable-libquvi enable quvi input via libquvi [no]
239 --enable-librtmp enable RTMP[E] support via librtmp [no]
240 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
241 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
242 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
243 --enable-libsnappy enable Snappy compression, needed for hap encoding [no]
244 --enable-libsoxr enable Include libsoxr resampling [no]
245 --enable-libspeex enable Speex de/encoding via libspeex [no]
246 --enable-libssh enable SFTP protocol via libssh [no]
247 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
248 --enable-libtheora enable Theora encoding via libtheora [no]
249 --enable-libtwolame enable MP2 encoding via libtwolame [no]
250 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
251 --enable-libv4l2 enable libv4l2/v4l-utils [no]
252 --enable-libvidstab enable video stabilization using vid.stab [no]
253 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
254 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
255 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
256 native implementation exists [no]
257 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
258 --enable-libwavpack enable wavpack encoding via libwavpack [no]
259 --enable-libwebp enable WebP encoding via libwebp [no]
260 --enable-libx264 enable H.264 encoding via x264 [no]
261 --enable-libx265 enable HEVC encoding via x265 [no]
262 --enable-libxavs enable AVS encoding via xavs [no]
263 --enable-libxcb enable X11 grabbing using XCB [autodetect]
264 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
265 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
266 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
267 --enable-libxvid enable Xvid encoding via xvidcore,
268 native MPEG-4/Xvid encoder exists [no]
269 --enable-libzmq enable message passing via libzmq [no]
270 --enable-libzvbi enable teletext support via libzvbi [no]
271 --disable-lzma disable lzma [autodetect]
272 --enable-decklink enable Blackmagick DeckLink I/O support [no]
273 --enable-mmal enable decoding via MMAL [no]
274 --enable-nvenc enable NVIDIA NVENC support [no]
275 --enable-openal enable OpenAL 1.1 capture support [no]
276 --enable-opencl enable OpenCL code
277 --enable-opengl enable OpenGL rendering [no]
278 --enable-openssl enable openssl, needed for https support
279 if gnutls is not used [no]
280 --disable-sdl disable sdl [autodetect]
281 --disable-securetransport disable Secure Transport, needed for TLS support
282 on OSX if openssl and gnutls are not used [autodetect]
283 --enable-x11grab enable X11 grabbing (legacy) [no]
284 --disable-xlib disable xlib [autodetect]
285 --disable-zlib disable zlib [autodetect]
288 --arch=ARCH select architecture [$arch]
289 --cpu=CPU select the minimum required CPU (affects
290 instruction selection, may crash on older CPUs)
291 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
292 --progs-suffix=SUFFIX program name suffix []
293 --enable-cross-compile assume a cross-compiler is used
294 --sysroot=PATH root of cross-build tree
295 --sysinclude=PATH location of cross-build system headers
296 --target-os=OS compiler targets OS [$target_os]
297 --target-exec=CMD command to run executables on target
298 --target-path=DIR path to view of build directory on target
299 --target-samples=DIR path to samples directory on target
300 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
301 --toolchain=NAME set tool defaults according to NAME
302 --nm=NM use nm tool NM [$nm_default]
303 --ar=AR use archive tool AR [$ar_default]
304 --as=AS use assembler AS [$as_default]
305 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
306 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
307 --cc=CC use C compiler CC [$cc_default]
308 --cxx=CXX use C compiler CXX [$cxx_default]
309 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
310 --ld=LD use linker LD [$ld_default]
311 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
312 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
313 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
314 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
315 --host-cc=HOSTCC use host C compiler HOSTCC
316 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
317 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
318 --host-ld=HOSTLD use host linker HOSTLD
319 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
320 --host-libs=HLIBS use libs HLIBS when linking for host
321 --host-os=OS compiler host OS [$target_os]
322 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
323 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
324 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
325 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
326 --extra-ldlibflags=ELDFLAGS add ELDFLAGS to LDLIBFLAGS [$LDLIBFLAGS]
327 --extra-libs=ELIBS add ELIBS [$ELIBS]
328 --extra-version=STRING version string suffix []
329 --optflags=OPTFLAGS override optimization-related compiler flags
330 --build-suffix=SUFFIX library name suffix []
331 --enable-pic build position-independent code
332 --enable-thumb compile for Thumb instruction set
333 --enable-lto use link-time optimization
334 --env="ENV=override" override the environment variables
336 Advanced options (experts only):
337 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
338 --disable-symver disable symbol versioning
339 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
340 --disable-safe-bitstream-reader
341 disable buffer boundary checking in bitreaders
342 (faster, but may crash)
343 --enable-memalign-hack emulate memalign, interferes with memory debuggers
344 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
346 Optimization options (experts only):
347 --disable-asm disable all assembly optimizations
348 --disable-altivec disable AltiVec optimizations
349 --disable-vsx disable VSX optimizations
350 --disable-power8 disable POWER8 optimizations
351 --disable-amd3dnow disable 3DNow! optimizations
352 --disable-amd3dnowext disable 3DNow! extended optimizations
353 --disable-mmx disable MMX optimizations
354 --disable-mmxext disable MMXEXT optimizations
355 --disable-sse disable SSE optimizations
356 --disable-sse2 disable SSE2 optimizations
357 --disable-sse3 disable SSE3 optimizations
358 --disable-ssse3 disable SSSE3 optimizations
359 --disable-sse4 disable SSE4 optimizations
360 --disable-sse42 disable SSE4.2 optimizations
361 --disable-avx disable AVX optimizations
362 --disable-xop disable XOP optimizations
363 --disable-fma3 disable FMA3 optimizations
364 --disable-fma4 disable FMA4 optimizations
365 --disable-avx2 disable AVX2 optimizations
366 --disable-armv5te disable armv5te optimizations
367 --disable-armv6 disable armv6 optimizations
368 --disable-armv6t2 disable armv6t2 optimizations
369 --disable-vfp disable VFP optimizations
370 --disable-neon disable NEON optimizations
371 --disable-inline-asm disable use of inline assembly
372 --disable-yasm disable use of nasm/yasm assembly
373 --disable-mips32r5 disable MIPS32R5 optimizations
374 --disable-mips64r6 disable MIPS64R6 optimizations
375 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
376 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
377 --disable-msa disable MSA optimizations
378 --disable-mipsfpu disable floating point MIPS optimizations
379 --disable-mmi disable Loongson SIMD optimizations
380 --disable-fast-unaligned consider unaligned accesses slow
382 Developer options (useful when working on FFmpeg itself):
383 --disable-debug disable debugging symbols
384 --enable-debug=LEVEL set the debug level [$debuglevel]
385 --disable-optimizations disable compiler optimizations
386 --enable-extra-warnings enable more compiler warnings
387 --disable-stripping disable stripping of executables and shared libraries
388 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
389 2 causes a slowdown at runtime.
390 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
391 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
392 leaks and errors, using the specified valgrind binary.
393 Cannot be combined with --target-exec
394 --enable-ftrapv Trap arithmetic overflows
395 --samples=PATH location of test samples for FATE, if not set use
396 \$FATE_SAMPLES at make invocation time.
397 --enable-neon-clobber-test check NEON registers for clobbering (should be
398 used only for debugging purposes)
399 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
400 should be used only for debugging purposes)
401 --enable-random randomly enable/disable components
403 --enable-random=LIST randomly enable/disable specific components or
404 --disable-random=LIST component groups. LIST is a comma-separated list
405 of NAME[:PROB] entries where NAME is a component
406 (group) and PROB the probability associated with
408 --random-seed=VALUE seed value for --enable/disable-random
409 --disable-valgrind-backtrace do not print a backtrace under Valgrind
410 (only applies to --disable-optimizations builds)
412 NOTE: Object files are built at the place where configure is launched.
420 echo "$@" >> $logfile
425 pr -n -t $1 >> $logfile
436 WARNINGS="${WARNINGS}WARNING: $*\n"
443 If you think configure made a mistake, make sure you are using the latest
444 version from Git. If the latest version fails, report the problem to the
445 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
447 if disabled logging; then
449 Rerun configure with logging enabled (do not use --disable-logging), and
450 include the log this produces with your report.
454 Include the log file "$logfile" produced by configure as this will help
461 # Avoid locale weirdness, besides we really just want to translate ASCII.
463 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
467 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
471 echo "$*" | sed 's/["\\]/\\\0/g'
475 v=$(echo "$1" | sed "s/'/'\\\\''/g")
476 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
481 echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
488 eval "case $v in $pat) echo $v ;; esac"
496 eval "case $v in $pat) ;; *) echo $v ;; esac"
503 for v; do eval $m; done
509 for v; do echo ${v}${suffix}; done
524 eval : \${$var:=$value}
529 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
535 eval $(sanitize_var_name "$var")='$*'
539 eval echo \$$(sanitize_var_name "$1")
544 eval level=\${${pvar}_level:=0}
545 eval ${pvar}_${level}="\$$pvar"
546 eval ${pvar}_level=$(($level+1))
552 eval level=\${${pvar}_level:-0}
553 test $level = 0 && continue
554 eval level=$(($level-1))
555 eval $pvar="\${${pvar}_${level}}"
556 eval ${pvar}_level=$level
557 eval unset ${pvar}_${level}
579 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
585 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
591 enabled $var && continue
592 eval sel="\$${var}_select"
593 eval sgs="\$${var}_suggest"
597 enable_deep_weak $sgs
609 disabled $var && continue
618 test "${1#!}" = "$1" && op== || op=!=
619 eval test "x\$${1#!}" $op "xyes"
623 test "${1#!}" = "$1" && op== || op=!=
624 eval test "x\$${1#!}" $op "xno"
629 enabled $opt || return 1
635 disabled $opt || return 1
641 enabled $opt && return 0
647 disabled $opt && return 0
654 eval : \${$opt:=\$${opt}_default}
662 [ $var = $value ] && return 0
670 enabled ${cfg}_checking && die "Circular dependency for $cfg."
671 disabled ${cfg}_checking && continue
672 enable ${cfg}_checking
675 eval dep_all="\$${cfg}_deps"
676 eval dep_any="\$${cfg}_deps_any"
677 eval dep_sel="\$${cfg}_select"
678 eval dep_sgs="\$${cfg}_suggest"
679 eval dep_ifa="\$${cfg}_if"
680 eval dep_ifn="\$${cfg}_if_any"
682 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
683 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
684 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
686 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
687 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
688 enabled_all $dep_all || disable $cfg
689 enabled_any $dep_any || disable $cfg
690 disabled_any $dep_sel && disable $cfg
692 if enabled $cfg; then
694 enable_deep_weak $dep_sgs
697 disable ${cfg}_checking
706 for cfg in $allopts; do
707 enabled $cfg || continue
708 eval dep_extralibs="\$${cfg}_extralibs"
709 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
717 map 'eval echo "$v \${$v:-no}"' "$@" |
718 awk "BEGIN { split(\"$files\", files) }
720 c = \"$pfx\" toupper(\$1);
726 if (file ~ /\\.h\$/) {
727 printf(\"#define %s %d\\n\", c, v) >>file;
728 } else if (file ~ /\\.asm\$/) {
729 printf(\"%%define %s %d\\n\", c, v) >>file;
730 } else if (file ~ /\\.mak\$/) {
731 n = -v ? \"\" : \"!\";
732 printf(\"%s%s=yes\\n\", n, c) >>file;
733 } else if (file ~ /\\.texi\$/) {
734 pre = -v ? \"\" : \"@c \";
737 gsub(/_/, \"-\", c2);
738 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
748 enabled $v && printf "%s\n" ${v%$suf};
755 eval "$var=\"\$$var $*\""
761 eval "$var=\"$* \$$var\""
767 for tok in $(eval echo \$$var); do
768 uniq_list="$(filter_out $tok $uniq_list) $tok"
770 eval "$var=\"${uniq_list}\""
778 append CFLAGS $($cflags_filter "$@")
782 append CXXFLAGS $($cflags_filter "$@")
786 append ASFLAGS $($asflags_filter "$@")
790 append LDFLAGS $($ldflags_filter "$@")
794 append LDEXEFLAGS $($ldflags_filter "$@")
798 append LDLIBFLAGS $($ldflags_filter "$@")
802 append ASMSTRIPFLAGS "$@"
806 prepend extralibs $($ldflags_filter "$@")
810 append host_cppflags "$@"
814 append host_cflags $($host_cflags_filter "$@")
818 append host_ldflags $($host_ldflags_filter "$@")
822 append compat_objs $1
824 map 'add_cppflags -D$v' "$@"
829 "$@" >> $logfile 2>&1
834 stat "$1" >> $logfile 2>&1
838 eval printf '%s\\n' $CC_O
842 eval printf '%s\\n' $CC_E
849 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
856 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
863 check_cmd $cc -Werror=missing-prototypes $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPM
870 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
874 eval printf '%s\\n' $AS_O
881 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
885 log check_inline_asm "$@"
890 check_cc "$@" <<EOF && enable $name
891 void foo(void){ __asm__ volatile($code); }
897 check_inline_asm ${1}_inline "\"$2\""
898 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
906 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
910 eval printf '%s\\n' $LD_O
917 flags=$(filter_out '-l*|*.so' $@)
918 libs=$(filter '-l*|*.so' $@)
919 check_$type $($cflags_filter $flags) || return
920 flags=$($ldflags_filter $flags)
921 libs=$($ldflags_filter $libs)
922 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
927 test "${hdr%.h}" = "${hdr}" &&
928 echo "#include $hdr" ||
929 echo "#include <$hdr>"
939 for hdr in $headers; do
942 echo "int main(void) { $code; return 0; }"
943 } | check_$check "$@"
947 log check_cppflags "$@"
948 check_cc "$@" <<EOF && append CPPFLAGS "$@"
955 set -- $($cflags_filter "$@")
962 log check_cflags "$@"
963 test_cflags "$@" && add_cflags "$@"
967 log check_cxxflags "$@"
968 set -- $($cflags_filter "$@")
969 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
975 log test_ldflags "$@"
976 check_ld "cc" "$@" <<EOF
977 int main(void){ return 0; }
982 log check_ldflags "$@"
983 test_ldflags "$@" && add_ldflags "$@"
987 log test_stripflags "$@"
988 # call check_cc to get a fresh TMPO
990 int main(void) { return 0; }
992 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
996 log check_stripflags "$@"
997 test_stripflags "$@" && add_stripflags "$@"
1001 log check_header "$@"
1004 disable_safe $header
1005 check_cpp "$@" <<EOF && enable_safe $header
1012 log check_header_oc "$@"
1016 disable_safe $header
1018 echo "#include <$header>"
1019 echo "int main(void) { return 0; }"
1020 } | check_oc && check_stat "$TMPO" && enable_safe $headers
1028 check_ld "cc" "$@" <<EOF && enable $func
1030 int main(void){ $func(); }
1035 log check_mathfunc "$@"
1039 test $narg = 2 && args="f, g" || args="f"
1041 check_ld "cc" "$@" <<EOF && enable $func
1043 float foo(float f, float g) { return $func($args); }
1044 int main(void){ return (int) foo; }
1048 check_func_headers(){
1049 log check_func_headers "$@"
1054 for hdr in $headers; do
1057 for func in $funcs; do
1058 echo "long check_$func(void) { return (long) $func; }"
1060 echo "int main(void) { return 0; }"
1061 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1064 check_class_headers_cpp(){
1065 log check_class_headers_cpp "$@"
1070 for hdr in $headers; do
1071 echo "#include <$hdr>"
1073 echo "int main(void) { "
1075 for class in $classes; do
1076 echo "$class obj$i;"
1080 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1083 check_cpp_condition(){
1084 log check_cpp_condition "$@"
1088 check_cpp "$@" <<EOF
1091 #error "unsatisfied condition: $condition"
1101 check_header $header && check_func $func "$@" && add_extralibs "$@"
1109 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1113 log check_lib_cpp "$@"
1117 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1121 log check_pkg_config "$@"
1127 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1128 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1129 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1130 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1131 set_safe "${pkg}_cflags" $pkg_cflags &&
1132 set_safe "${pkg}_libs" $pkg_libs
1136 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1142 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1143 # are safe but may not be available everywhere. Thus we use
1144 # raise(SIGTERM) instead. The check is run in a subshell so we
1145 # can redirect the "Terminated" message from the shell. SIGBUS
1146 # is not defined by standard C so it is used conditionally.
1148 (check_exec "$@") >> $logfile 2>&1 <<EOF
1150 static void sighandler(int sig){
1156 int (*func_ptr)(void) = foo;
1158 signal(SIGILL, sighandler);
1159 signal(SIGFPE, sighandler);
1160 signal(SIGSEGV, sighandler);
1162 signal(SIGBUS, sighandler);
1174 disable_safe "$type"
1175 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1179 log check_struct "$@"
1184 disable_safe "${struct}_${member}"
1185 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1186 enable_safe "${struct}_${member}"
1190 log check_builtin "$@"
1196 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1199 check_compile_assert(){
1200 log check_compile_assert "$@"
1206 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1214 check_lib $header $func "$@" || die "ERROR: $name not found"
1222 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1230 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1235 check_pkg_config "$@" || return 1
1236 add_cflags $(get_safe "${pkg}_cflags")
1237 add_extralibs $(get_safe "${pkg}_libs")
1240 require_pkg_config(){
1241 use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"
1244 require_libfreetype(){
1245 log require_libfreetype "$@"
1247 check_cmd $pkg_config --exists --print-errors $pkg \
1248 || die "ERROR: $pkg not found"
1249 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1250 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1252 echo "#include <ft2build.h>"
1253 echo "#include FT_FREETYPE_H"
1254 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1255 echo "int main(void) { return 0; }"
1256 } | check_ld "cc" $pkg_cflags $pkg_libs \
1257 && set_safe "${pkg}_cflags" $pkg_cflags \
1258 && set_safe "${pkg}_libs" $pkg_libs \
1259 || die "ERROR: $pkg not found"
1260 add_cflags $(get_safe "${pkg}_cflags")
1261 add_extralibs $(get_safe "${pkg}_libs")
1265 eval printf '%s\\n' $HOSTCC_E
1269 eval printf '%s\\n' $HOSTCC_O
1273 log check_host_cc "$@"
1276 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1280 log check_host_cpp "$@"
1283 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1286 check_host_cppflags(){
1287 log check_host_cppflags "$@"
1288 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1293 check_host_cflags(){
1294 log check_host_cflags "$@"
1295 set -- $($host_cflags_filter "$@")
1296 check_host_cc "$@" <<EOF && append host_cflags "$@"
1301 check_host_cpp_condition(){
1302 log check_host_cpp_condition "$@"
1306 check_host_cpp "$@" <<EOF
1309 #error "unsatisfied condition: $condition"
1317 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1321 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1322 mkdir -p "$(dirname $2)"
1326 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1327 # system-dependent things.
1344 avio_reading_example
1345 avio_list_dir_example
1346 decoding_encoding_example
1347 demuxing_decoding_example
1349 filter_audio_example
1350 filtering_audio_example
1351 filtering_video_example
1356 resampling_audio_example
1357 scaling_video_example
1358 transcode_aac_example
1362 EXTERNAL_LIBRARY_LIST="
1460 safe_bitstream_reader
1520 $EXTERNAL_LIBRARY_LIST
1528 incompatible_libav_abi
1590 ARCH_EXT_LIST_MIPS="
1600 ARCH_EXT_LIST_LOONGSON="
1606 ARCH_EXT_LIST_X86_SIMD="
1634 $ARCH_EXT_LIST_X86_SIMD
1644 $ARCH_EXT_LIST_LOONGSON
1660 atomic_compare_exchange
1666 sync_val_compare_and_swap
1677 incompatible_libav_abi
1686 cdio_paranoia_paranoia_h
1687 dev_bktr_ioctl_bt848_h
1688 dev_bktr_ioctl_meteor_h
1690 dev_video_bktr_ioctl_bt848_h
1691 dev_video_meteor_ioctl_meteor_h
1700 machine_ioctl_bt848_h
1701 machine_ioctl_meteor_h
1703 openjpeg_1_5_openjpeg_h
1771 GetProcessAffinityMask
1772 GetProcessMemoryInfo
1776 GetSystemTimeAsFileTime
1783 jack_port_get_latency_range
1798 SetConsoleTextAttribute
1799 SetConsoleCtrlHandler
1811 TOOLCHAIN_FEATURES="
1824 inline_asm_nonlocal_labels
1825 inline_asm_direct_symbol_refs
1836 CONDITION_VARIABLE_Ptr
1839 struct_dcadec_exss_info_matrix_encoding
1840 struct_group_source_req
1841 struct_ip_mreq_source
1844 struct_rusage_ru_maxrss
1845 struct_sctp_event_subscribe
1847 struct_sockaddr_sa_len
1848 struct_sockaddr_storage
1849 struct_stat_st_mtim_tv_nsec
1850 struct_v4l2_frmivalenum_discrete
1855 $(add_suffix _external $ARCH_EXT_LIST)
1856 $(add_suffix _inline $ARCH_EXT_LIST)
1889 # options emitted with CONFIG_ prefix but not available on the command line
1905 frame_thread_encoder
2045 # code dependency declarations
2047 # architecture extensions
2052 armv8_deps="aarch64"
2053 neon_deps_any="aarch64 arm"
2054 intrinsics_neon_deps="neon"
2055 vfp_deps_any="aarch64 arm"
2059 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2062 mipsdspr1_deps="mips"
2063 mipsdspr2_deps="mips"
2064 mips32r2_deps="mips"
2065 mips32r5_deps="mips"
2066 mips64r6_deps="mips"
2078 x86_64_select="i686"
2079 x86_64_suggest="fast_cmov"
2082 amd3dnowext_deps="amd3dnow"
2098 mmx_external_deps="yasm"
2099 mmx_inline_deps="inline_asm"
2100 mmx_suggest="mmx_external mmx_inline"
2102 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2103 eval dep=\$${ext}_deps
2104 eval ${ext}_external_deps='"${dep}_external"'
2105 eval ${ext}_inline_deps='"${dep}_inline"'
2106 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2109 aligned_stack_if_any="aarch64 ppc x86"
2110 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2111 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2112 fast_unaligned_if_any="aarch64 ppc x86"
2113 simd_align_16_if_any="altivec neon sse"
2115 # system capabilities
2116 symver_if_any="symver_asm_label symver_gnu_asm"
2117 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
2120 atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"
2121 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2122 atomics_win32_if="MemoryBarrier"
2123 atomics_native_if_any="$ATOMICS_LIST"
2124 w32threads_deps="atomics_native"
2125 threads_if_any="$THREADS_LIST"
2129 error_resilience_select="me_cmp"
2130 faandct_deps="faan fdctdsp"
2131 faanidct_deps="faan idctdsp"
2132 frame_thread_encoder_deps="encoders threads"
2133 intrax8_select="error_resilience"
2136 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2137 mpeg_er_select="error_resilience"
2138 mpegaudio_select="mpegaudiodsp"
2139 mpegaudiodsp_select="dct"
2140 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp videodsp"
2141 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2145 # decoders / encoders
2146 aac_decoder_select="imdct15 mdct sinewin"
2147 aac_fixed_decoder_select="mdct sinewin"
2148 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
2149 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2150 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2151 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2152 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2153 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2154 adpcm_g722_decoder_select="g722dsp"
2155 adpcm_g722_encoder_select="g722dsp"
2156 aic_decoder_select="golomb idctdsp"
2157 alac_encoder_select="lpc"
2158 als_decoder_select="bswapdsp"
2159 amrnb_decoder_select="lsp"
2160 amrwb_decoder_select="lsp"
2161 amv_decoder_select="sp5x_decoder exif"
2162 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2163 ape_decoder_select="bswapdsp llauddsp"
2164 apng_decoder_select="zlib"
2165 apng_encoder_select="huffyuvencdsp zlib"
2166 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2167 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2168 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2169 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2170 atrac1_decoder_select="mdct sinewin"
2171 atrac3_decoder_select="mdct"
2172 atrac3p_decoder_select="mdct sinewin"
2173 avrn_decoder_select="exif jpegtables"
2174 bink_decoder_select="blockdsp hpeldsp"
2175 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2176 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2177 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2178 cllc_decoder_select="bswapdsp"
2179 comfortnoise_encoder_select="lpc"
2180 cook_decoder_select="audiodsp mdct sinewin"
2181 cscd_decoder_select="lzo"
2182 cscd_decoder_suggest="zlib"
2183 dca_decoder_select="fmtconvert mdct"
2184 dds_decoder_select="texturedsp"
2185 dirac_decoder_select="dwt golomb videodsp mpegvideoenc"
2186 dnxhd_decoder_select="blockdsp idctdsp"
2187 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2188 dvvideo_decoder_select="dvprofile idctdsp"
2189 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2190 dxa_decoder_select="zlib"
2191 eac3_decoder_select="ac3_decoder"
2192 eac3_encoder_select="ac3_encoder"
2193 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2194 eatgq_decoder_select="aandcttables"
2195 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
2196 exr_decoder_select="zlib"
2197 ffv1_decoder_select="golomb rangecoder"
2198 ffv1_encoder_select="rangecoder"
2199 ffvhuff_decoder_select="huffyuv_decoder"
2200 ffvhuff_encoder_select="huffyuv_encoder"
2201 fic_decoder_select="golomb"
2202 flac_decoder_select="flacdsp golomb"
2203 flac_encoder_select="bswapdsp flacdsp golomb lpc"
2204 flashsv_decoder_select="zlib"
2205 flashsv_encoder_select="zlib"
2206 flashsv2_encoder_select="zlib"
2207 flashsv2_decoder_select="zlib"
2208 flv_decoder_select="h263_decoder"
2209 flv_encoder_select="h263_encoder"
2210 fourxm_decoder_select="blockdsp bswapdsp"
2211 fraps_decoder_select="bswapdsp huffman"
2212 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2213 g729_decoder_select="audiodsp"
2214 h261_decoder_select="mpeg_er mpegvideo"
2215 h261_encoder_select="aandcttables mpegvideoenc"
2216 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
2217 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2218 h263i_decoder_select="h263_decoder"
2219 h263p_decoder_select="h263_decoder"
2220 h263p_encoder_select="h263_encoder"
2221 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
2222 h264_decoder_suggest="error_resilience"
2223 h264_qsv_decoder_deps="libmfx"
2224 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2225 h264_qsv_encoder_deps="libmfx"
2226 h264_qsv_encoder_select="qsvenc"
2227 hap_decoder_select="snappy texturedsp"
2228 hap_encoder_deps="libsnappy"
2229 hap_encoder_select="texturedspenc"
2230 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2231 hevc_qsv_encoder_deps="libmfx"
2232 hevc_qsv_encoder_select="qsvenc"
2233 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2234 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
2235 iac_decoder_select="imc_decoder"
2236 imc_decoder_select="bswapdsp fft mdct sinewin"
2237 indeo3_decoder_select="hpeldsp"
2238 indeo4_decoder_select="ividsp"
2239 indeo5_decoder_select="ividsp"
2240 interplay_video_decoder_select="hpeldsp"
2241 jpegls_decoder_select="golomb mjpeg_decoder"
2242 jpegls_encoder_select="golomb"
2243 jv_decoder_select="blockdsp"
2244 lagarith_decoder_select="huffyuvdsp"
2245 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2246 loco_decoder_select="golomb"
2247 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2248 metasound_decoder_select="lsp mdct sinewin"
2249 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2250 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2251 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2252 mjpegb_decoder_select="mjpeg_decoder"
2253 mlp_decoder_select="mlp_parser"
2254 motionpixels_decoder_select="bswapdsp"
2255 mp1_decoder_select="mpegaudio"
2256 mp1float_decoder_select="mpegaudio"
2257 mp2_decoder_select="mpegaudio"
2258 mp2float_decoder_select="mpegaudio"
2259 mp3_decoder_select="mpegaudio"
2260 mp3adu_decoder_select="mpegaudio"
2261 mp3adufloat_decoder_select="mpegaudio"
2262 mp3float_decoder_select="mpegaudio"
2263 mp3on4_decoder_select="mpegaudio"
2264 mp3on4float_decoder_select="mpegaudio"
2265 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2266 mpc8_decoder_select="mpegaudiodsp"
2267 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2268 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2269 mpegvideo_decoder_select="error_resilience mpeg_er mpegvideo"
2270 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2271 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2272 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2273 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2274 mpeg2_qsv_encoder_deps="libmfx"
2275 mpeg2_qsv_encoder_select="qsvenc"
2276 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2277 mpeg4_encoder_select="h263_encoder"
2278 msa1_decoder_select="mss34dsp"
2279 msmpeg4v1_decoder_select="h263_decoder"
2280 msmpeg4v2_decoder_select="h263_decoder"
2281 msmpeg4v2_encoder_select="h263_encoder"
2282 msmpeg4v3_decoder_select="h263_decoder"
2283 msmpeg4v3_encoder_select="h263_encoder"
2284 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
2285 mts2_decoder_select="mss34dsp"
2286 mxpeg_decoder_select="mjpeg_decoder"
2287 nellymoser_decoder_select="mdct sinewin"
2288 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2289 nuv_decoder_select="idctdsp lzo"
2290 on2avc_decoder_select="mdct"
2291 opus_decoder_deps="swresample"
2292 opus_decoder_select="imdct15"
2293 png_decoder_select="zlib"
2294 png_encoder_select="huffyuvencdsp zlib"
2295 prores_decoder_select="blockdsp idctdsp"
2296 prores_encoder_select="fdctdsp"
2297 qcelp_decoder_select="lsp"
2298 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2299 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2300 ra_144_decoder_select="audiodsp"
2301 ralf_decoder_select="golomb"
2302 rawvideo_decoder_select="bswapdsp"
2303 rtjpeg_decoder_select="me_cmp"
2304 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2305 rv10_encoder_select="h263_encoder"
2306 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2307 rv20_encoder_select="h263_encoder"
2308 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2309 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2310 shorten_decoder_select="golomb"
2311 sipr_decoder_select="lsp"
2312 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2313 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2314 sonic_decoder_select="golomb rangecoder"
2315 sonic_encoder_select="golomb rangecoder"
2316 sonic_ls_encoder_select="golomb rangecoder"
2317 sp5x_decoder_select="mjpeg_decoder"
2318 svq1_decoder_select="hpeldsp"
2319 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2320 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2321 svq3_decoder_suggest="zlib"
2322 tak_decoder_select="audiodsp"
2323 tdsc_decoder_select="zlib mjpeg_decoder"
2324 theora_decoder_select="vp3_decoder"
2325 thp_decoder_select="mjpeg_decoder"
2326 tiff_decoder_suggest="zlib lzma"
2327 tiff_encoder_suggest="zlib"
2328 truehd_decoder_select="mlp_parser"
2329 truemotion2_decoder_select="bswapdsp"
2330 truespeech_decoder_select="bswapdsp"
2331 tscc_decoder_select="zlib"
2332 twinvq_decoder_select="mdct lsp sinewin"
2333 txd_decoder_select="texturedsp"
2334 utvideo_decoder_select="bswapdsp"
2335 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2336 vble_decoder_select="huffyuvdsp"
2337 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
2338 vc1image_decoder_select="vc1_decoder"
2339 vorbis_decoder_select="mdct"
2340 vorbis_encoder_select="mdct"
2341 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2342 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2343 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2344 vp6a_decoder_select="vp6_decoder"
2345 vp6f_decoder_select="vp6_decoder"
2346 vp7_decoder_select="h264pred videodsp vp8dsp"
2347 vp8_decoder_select="h264pred videodsp vp8dsp"
2348 vp9_decoder_select="videodsp vp9_parser"
2349 webp_decoder_select="vp8_decoder"
2350 wmalossless_decoder_select="llauddsp"
2351 wmapro_decoder_select="mdct sinewin wma_freqs"
2352 wmav1_decoder_select="mdct sinewin wma_freqs"
2353 wmav1_encoder_select="mdct sinewin wma_freqs"
2354 wmav2_decoder_select="mdct sinewin wma_freqs"
2355 wmav2_encoder_select="mdct sinewin wma_freqs"
2356 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2357 wmv1_decoder_select="h263_decoder"
2358 wmv1_encoder_select="h263_encoder"
2359 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2360 wmv2_encoder_select="h263_encoder wmv2dsp"
2361 wmv3_decoder_select="vc1_decoder"
2362 wmv3image_decoder_select="wmv3_decoder"
2363 zerocodec_decoder_select="zlib"
2364 zlib_decoder_select="zlib"
2365 zlib_encoder_select="zlib"
2366 zmbv_decoder_select="zlib"
2367 zmbv_encoder_select="zlib"
2369 # hardware accelerators
2370 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2371 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2372 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2373 vaapi_deps="va_va_h"
2374 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2375 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2376 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2377 xvmc_deps="X11_extensions_XvMClib_h"
2379 h263_vaapi_hwaccel_deps="vaapi"
2380 h263_vaapi_hwaccel_select="h263_decoder"
2381 h263_vdpau_hwaccel_deps="vdpau"
2382 h263_vdpau_hwaccel_select="h263_decoder"
2383 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2384 h264_d3d11va_hwaccel_deps="d3d11va"
2385 h264_d3d11va_hwaccel_select="h264_decoder"
2386 h264_dxva2_hwaccel_deps="dxva2"
2387 h264_dxva2_hwaccel_select="h264_decoder"
2388 h264_mmal_decoder_deps="mmal"
2389 h264_mmal_hwaccel_deps="mmal"
2390 h264_mmal_decoder_select="h264_decoder"
2391 h264_mmal_encoder_deps="mmal"
2392 h264_qsv_hwaccel_deps="libmfx"
2393 h264_vaapi_hwaccel_deps="vaapi"
2394 h264_vaapi_hwaccel_select="h264_decoder"
2395 h264_vda_decoder_deps="vda"
2396 h264_vda_decoder_select="h264_decoder"
2397 h264_vda_hwaccel_deps="vda"
2398 h264_vda_hwaccel_select="h264_decoder"
2399 h264_vda_old_hwaccel_deps="vda"
2400 h264_vda_old_hwaccel_select="h264_decoder"
2401 h264_vdpau_decoder_deps="vdpau"
2402 h264_vdpau_decoder_select="h264_decoder"
2403 h264_vdpau_hwaccel_deps="vdpau"
2404 h264_vdpau_hwaccel_select="h264_decoder"
2405 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2406 hevc_d3d11va_hwaccel_select="hevc_decoder"
2407 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2408 hevc_dxva2_hwaccel_select="hevc_decoder"
2409 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2410 hevc_vdpau_hwaccel_select="hevc_decoder"
2411 mpeg_vdpau_decoder_deps="vdpau"
2412 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2413 mpeg_xvmc_hwaccel_deps="xvmc"
2414 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2415 mpeg1_vdpau_decoder_deps="vdpau"
2416 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2417 mpeg1_vdpau_hwaccel_deps="vdpau"
2418 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2419 mpeg1_xvmc_hwaccel_deps="xvmc"
2420 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2421 mpeg2_crystalhd_decoder_select="crystalhd"
2422 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2423 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2424 mpeg2_dxva2_hwaccel_deps="dxva2"
2425 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2426 mpeg2_vaapi_hwaccel_deps="vaapi"
2427 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2428 mpeg2_vdpau_hwaccel_deps="vdpau"
2429 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2430 mpeg2_xvmc_hwaccel_deps="xvmc"
2431 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2432 mpeg4_crystalhd_decoder_select="crystalhd"
2433 mpeg4_vaapi_hwaccel_deps="vaapi"
2434 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2435 mpeg4_vdpau_decoder_deps="vdpau"
2436 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2437 mpeg4_vdpau_hwaccel_deps="vdpau"
2438 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2439 msmpeg4_crystalhd_decoder_select="crystalhd"
2440 vc1_crystalhd_decoder_select="crystalhd"
2441 vc1_d3d11va_hwaccel_deps="d3d11va"
2442 vc1_d3d11va_hwaccel_select="vc1_decoder"
2443 vc1_dxva2_hwaccel_deps="dxva2"
2444 vc1_dxva2_hwaccel_select="vc1_decoder"
2445 vc1_vaapi_hwaccel_deps="vaapi"
2446 vc1_vaapi_hwaccel_select="vc1_decoder"
2447 vc1_vdpau_decoder_deps="vdpau"
2448 vc1_vdpau_decoder_select="vc1_decoder"
2449 vc1_vdpau_hwaccel_deps="vdpau"
2450 vc1_vdpau_hwaccel_select="vc1_decoder"
2451 wmv3_crystalhd_decoder_select="crystalhd"
2452 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2453 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2454 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2455 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2456 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2459 h264_parser_select="h264_decoder"
2460 hevc_parser_select="golomb"
2461 mpegvideo_parser_select="mpegvideo"
2462 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
2463 vc1_parser_select="mpegvideo startcode vc1_decoder"
2466 mjpeg2jpeg_bsf_select="jpegtables"
2468 # external libraries
2469 libaacplus_encoder_deps="libaacplus"
2470 libcelt_decoder_deps="libcelt"
2471 libdcadec_decoder_deps="libdcadec"
2472 libfaac_encoder_deps="libfaac"
2473 libfaac_encoder_select="audio_frame_queue"
2474 libfdk_aac_decoder_deps="libfdk_aac"
2475 libfdk_aac_encoder_deps="libfdk_aac"
2476 libfdk_aac_encoder_select="audio_frame_queue"
2477 libgme_demuxer_deps="libgme"
2478 libgsm_decoder_deps="libgsm"
2479 libgsm_encoder_deps="libgsm"
2480 libgsm_ms_decoder_deps="libgsm"
2481 libgsm_ms_encoder_deps="libgsm"
2482 libilbc_decoder_deps="libilbc"
2483 libilbc_encoder_deps="libilbc"
2484 libkvazaar_encoder_deps="libkvazaar"
2485 libmodplug_demuxer_deps="libmodplug"
2486 libmp3lame_encoder_deps="libmp3lame"
2487 libmp3lame_encoder_select="audio_frame_queue"
2488 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2489 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2490 libopencore_amrnb_encoder_select="audio_frame_queue"
2491 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2492 libopenh264_encoder_deps="libopenh264"
2493 libopenjpeg_decoder_deps="libopenjpeg"
2494 libopenjpeg_encoder_deps="libopenjpeg"
2495 libopus_decoder_deps="libopus"
2496 libopus_encoder_deps="libopus"
2497 libopus_encoder_select="audio_frame_queue"
2498 libquvi_demuxer_deps="libquvi"
2499 libschroedinger_decoder_deps="libschroedinger"
2500 libschroedinger_encoder_deps="libschroedinger"
2501 libshine_encoder_deps="libshine"
2502 libshine_encoder_select="audio_frame_queue"
2503 libspeex_decoder_deps="libspeex"
2504 libspeex_encoder_deps="libspeex"
2505 libspeex_encoder_select="audio_frame_queue"
2506 libstagefright_h264_decoder_deps="libstagefright_h264"
2507 libtheora_encoder_deps="libtheora"
2508 libtwolame_encoder_deps="libtwolame"
2509 libvo_aacenc_encoder_deps="libvo_aacenc"
2510 libvo_aacenc_encoder_select="audio_frame_queue"
2511 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2512 libvorbis_decoder_deps="libvorbis"
2513 libvorbis_encoder_deps="libvorbis"
2514 libvorbis_encoder_select="audio_frame_queue"
2515 libvpx_vp8_decoder_deps="libvpx"
2516 libvpx_vp8_encoder_deps="libvpx"
2517 libvpx_vp9_decoder_deps="libvpx"
2518 libvpx_vp9_encoder_deps="libvpx"
2519 libwavpack_encoder_deps="libwavpack"
2520 libwebp_encoder_deps="libwebp"
2521 libwebp_anim_encoder_deps="libwebp"
2522 libx262_encoder_deps="libx262"
2523 libx264_encoder_deps="libx264"
2524 libx264rgb_encoder_deps="libx264"
2525 libx264rgb_encoder_select="libx264_encoder"
2526 libx265_encoder_deps="libx265"
2527 libxavs_encoder_deps="libxavs"
2528 libxvid_encoder_deps="libxvid"
2529 libutvideo_decoder_deps="libutvideo"
2530 libutvideo_encoder_deps="libutvideo"
2531 libzvbi_teletext_decoder_deps="libzvbi"
2532 nvenc_encoder_deps="nvenc"
2533 nvenc_h264_encoder_deps="nvenc"
2534 nvenc_hevc_encoder_deps="nvenc"
2537 ac3_demuxer_select="ac3_parser"
2538 asf_demuxer_select="riffdec"
2539 asf_o_demuxer_select="riffdec"
2540 asf_muxer_select="riffenc"
2541 asf_stream_muxer_select="asf_muxer"
2542 avi_demuxer_select="riffdec exif"
2543 avi_muxer_select="riffenc"
2544 avisynth_demuxer_deps="avisynth"
2545 avisynth_demuxer_select="riffdec"
2546 caf_demuxer_select="riffdec"
2547 dash_muxer_select="mp4_muxer"
2548 dirac_demuxer_select="dirac_parser"
2549 dts_demuxer_select="dca_parser"
2550 dtshd_demuxer_select="dca_parser"
2551 dv_demuxer_select="dvprofile"
2552 dv_muxer_select="dvprofile"
2553 dxa_demuxer_select="riffdec"
2554 eac3_demuxer_select="ac3_parser"
2555 f4v_muxer_select="mov_muxer"
2556 flac_demuxer_select="flac_parser"
2557 hds_muxer_select="flv_muxer"
2558 hls_muxer_select="mpegts_muxer"
2559 image2_alias_pix_demuxer_select="image2_demuxer"
2560 image2_brender_pix_demuxer_select="image2_demuxer"
2561 ipod_muxer_select="mov_muxer"
2562 ismv_muxer_select="mov_muxer"
2563 libnut_demuxer_deps="libnut"
2564 libnut_muxer_deps="libnut"
2565 matroska_audio_muxer_select="matroska_muxer"
2566 matroska_demuxer_select="riffdec"
2567 matroska_demuxer_suggest="bzlib lzo zlib"
2568 matroska_muxer_select="riffenc"
2569 mmf_muxer_select="riffenc"
2570 mov_demuxer_select="riffdec"
2571 mov_demuxer_suggest="zlib"
2572 mov_muxer_select="riffenc rtpenc_chain"
2573 mp3_demuxer_select="mpegaudio_parser"
2574 mp4_muxer_select="mov_muxer"
2575 mpegts_muxer_select="adts_muxer latm_muxer"
2576 mpegtsraw_demuxer_select="mpegts_demuxer"
2577 mxf_d10_muxer_select="mxf_muxer"
2578 mxf_opatom_muxer_select="mxf_muxer"
2579 nut_muxer_select="riffenc"
2580 nuv_demuxer_select="riffdec"
2581 oga_muxer_select="ogg_muxer"
2582 ogg_demuxer_select="golomb"
2583 opus_muxer_select="ogg_muxer"
2584 psp_muxer_select="mov_muxer"
2585 rtp_demuxer_select="sdp_demuxer"
2586 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2587 rtsp_demuxer_select="http_protocol rtpdec"
2588 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2589 sap_demuxer_select="sdp_demuxer"
2590 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2591 sdp_demuxer_select="rtpdec"
2592 smoothstreaming_muxer_select="ismv_muxer"
2593 spdif_muxer_select="aac_parser"
2594 spx_muxer_select="ogg_muxer"
2595 tak_demuxer_select="tak_parser"
2596 tg2_muxer_select="mov_muxer"
2597 tgp_muxer_select="mov_muxer"
2598 vobsub_demuxer_select="mpegps_demuxer"
2599 w64_demuxer_select="wav_demuxer"
2600 w64_muxer_select="wav_muxer"
2601 wav_demuxer_select="riffdec"
2602 wav_muxer_select="riffenc"
2603 webm_muxer_select="riffenc"
2604 wtv_demuxer_select="riffdec"
2605 wtv_muxer_select="riffenc"
2606 xmv_demuxer_select="riffdec"
2607 xwma_demuxer_select="riffdec"
2610 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2611 alsa_outdev_deps="alsa_asoundlib_h"
2612 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2613 avfoundation_indev_select="avfoundation"
2614 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2615 caca_outdev_deps="libcaca"
2616 decklink_outdev_deps="decklink pthreads"
2617 decklink_outdev_extralibs="-lstdc++"
2618 decklink_indev_deps="decklink pthreads"
2619 decklink_indev_extralibs="-lstdc++"
2620 dshow_indev_deps="IBaseFilter"
2621 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
2622 dv1394_indev_deps="dv1394"
2623 dv1394_indev_select="dv_demuxer"
2624 fbdev_indev_deps="linux_fb_h"
2625 fbdev_outdev_deps="linux_fb_h"
2626 gdigrab_indev_deps="CreateDIBSection"
2627 gdigrab_indev_extralibs="-lgdi32"
2628 gdigrab_indev_select="bmp_decoder"
2629 iec61883_indev_deps="libiec61883"
2630 jack_indev_deps="jack_jack_h sem_timedwait"
2631 lavfi_indev_deps="avfilter"
2632 libcdio_indev_deps="libcdio"
2633 libdc1394_indev_deps="libdc1394"
2634 libv4l2_indev_deps="libv4l2"
2635 openal_indev_deps="openal"
2636 opengl_outdev_deps="opengl"
2637 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2638 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2639 pulse_indev_deps="libpulse"
2640 pulse_outdev_deps="libpulse"
2641 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2642 qtkit_indev_select="qtkit"
2643 sdl_outdev_deps="sdl"
2644 sndio_indev_deps="sndio_h"
2645 sndio_outdev_deps="sndio_h"
2646 v4l_indev_deps="linux_videodev_h"
2647 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2648 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2649 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2650 vfwcap_indev_extralibs="-lavicap32"
2651 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2652 xv_outdev_extralibs="-lXv -lX11 -lXext"
2653 x11grab_indev_deps="x11grab"
2654 x11grab_xcb_indev_deps="libxcb"
2657 async_protocol_deps="pthreads"
2658 bluray_protocol_deps="libbluray"
2659 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2660 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2661 ffrtmpcrypt_protocol_select="tcp_protocol"
2662 ffrtmphttp_protocol_deps="!librtmp_protocol"
2663 ffrtmphttp_protocol_select="http_protocol"
2664 ftp_protocol_select="tcp_protocol"
2665 gopher_protocol_select="network"
2666 http_protocol_select="tcp_protocol"
2667 httpproxy_protocol_select="tcp_protocol"
2668 https_protocol_select="tls_protocol"
2669 icecast_protocol_select="http_protocol"
2670 librtmp_protocol_deps="librtmp"
2671 librtmpe_protocol_deps="librtmp"
2672 librtmps_protocol_deps="librtmp"
2673 librtmpt_protocol_deps="librtmp"
2674 librtmpte_protocol_deps="librtmp"
2675 libsmbclient_protocol_deps="libsmbclient gplv3"
2676 libssh_protocol_deps="libssh"
2677 mmsh_protocol_select="http_protocol"
2678 mmst_protocol_select="network"
2679 rtmp_protocol_deps="!librtmp_protocol"
2680 rtmp_protocol_select="tcp_protocol"
2681 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2682 rtmps_protocol_deps="!librtmp_protocol"
2683 rtmps_protocol_select="tls_protocol"
2684 rtmpt_protocol_select="ffrtmphttp_protocol"
2685 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2686 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2687 rtp_protocol_select="udp_protocol"
2688 sctp_protocol_deps="struct_sctp_event_subscribe"
2689 sctp_protocol_select="network"
2690 srtp_protocol_select="rtp_protocol"
2691 tcp_protocol_select="network"
2692 tls_gnutls_protocol_deps="gnutls !tls_securetransport_protocol"
2693 tls_gnutls_protocol_select="tcp_protocol"
2694 tls_openssl_protocol_deps="openssl !tls_securetransport_protocol !tls_gnutls_protocol"
2695 tls_openssl_protocol_select="tcp_protocol"
2696 tls_securetransport_protocol_deps="securetransport"
2697 tls_securetransport_protocol_select="tcp_protocol"
2698 tls_protocol_deps_any="tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
2699 udp_protocol_select="network"
2700 udplite_protocol_select="network"
2701 unix_protocol_deps="sys_un_h"
2702 unix_protocol_select="network"
2705 amovie_filter_deps="avcodec avformat"
2706 aresample_filter_deps="swresample"
2707 ass_filter_deps="libass"
2708 asyncts_filter_deps="avresample"
2709 atempo_filter_deps="avcodec"
2710 atempo_filter_select="rdft"
2711 azmq_filter_deps="libzmq"
2712 blackframe_filter_deps="gpl"
2713 boxblur_filter_deps="gpl"
2714 bs2b_filter_deps="libbs2b"
2715 colormatrix_filter_deps="gpl"
2716 cover_rect_filter_deps="avcodec avformat gpl"
2717 cropdetect_filter_deps="gpl"
2718 delogo_filter_deps="gpl"
2719 deshake_filter_select="pixelutils"
2720 drawtext_filter_deps="libfreetype"
2721 ebur128_filter_deps="gpl"
2722 eq_filter_deps="gpl"
2723 fftfilt_filter_deps="avcodec"
2724 fftfilt_filter_select="rdft"
2725 flite_filter_deps="libflite"
2726 find_rect_filter_deps="avcodec avformat gpl"
2727 frei0r_filter_deps="frei0r dlopen"
2728 frei0r_src_filter_deps="frei0r dlopen"
2729 fspp_filter_deps="gpl"
2730 geq_filter_deps="gpl"
2731 histeq_filter_deps="gpl"
2732 hqdn3d_filter_deps="gpl"
2733 interlace_filter_deps="gpl"
2734 kerndeint_filter_deps="gpl"
2735 ladspa_filter_deps="ladspa dlopen"
2736 mcdeint_filter_deps="avcodec gpl"
2737 movie_filter_deps="avcodec avformat"
2738 mpdecimate_filter_deps="gpl"
2739 mpdecimate_filter_select="pixelutils"
2740 mptestsrc_filter_deps="gpl"
2741 negate_filter_deps="lut_filter"
2742 perspective_filter_deps="gpl"
2743 pp7_filter_deps="gpl"
2744 ocv_filter_deps="libopencv"
2745 owdenoise_filter_deps="gpl"
2746 pan_filter_deps="swresample"
2747 phase_filter_deps="gpl"
2748 pp_filter_deps="gpl postproc"
2749 pullup_filter_deps="gpl"
2750 removelogo_filter_deps="avcodec avformat swscale"
2751 repeatfields_filter_deps="gpl"
2752 resample_filter_deps="avresample"
2753 sab_filter_deps="gpl swscale"
2754 scale_filter_deps="swscale"
2755 select_filter_select="pixelutils"
2756 smartblur_filter_deps="gpl swscale"
2757 showcqt_filter_deps="avcodec"
2758 showcqt_filter_select="fft"
2759 showspectrum_filter_deps="avcodec"
2760 showspectrum_filter_select="rdft"
2761 spp_filter_deps="gpl avcodec"
2762 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
2763 stereo3d_filter_deps="gpl"
2764 subtitles_filter_deps="avformat avcodec libass"
2765 super2xsai_filter_deps="gpl"
2766 tinterlace_filter_deps="gpl"
2767 vidstabdetect_filter_deps="libvidstab"
2768 vidstabtransform_filter_deps="libvidstab"
2769 pixfmts_super2xsai_test_deps="super2xsai_filter"
2770 tinterlace_merge_test_deps="tinterlace_filter"
2771 tinterlace_pad_test_deps="tinterlace_filter"
2772 uspp_filter_deps="gpl avcodec"
2773 zmq_filter_deps="libzmq"
2774 zoompan_filter_deps="swscale"
2777 avio_reading="avformat avcodec avutil"
2778 avio_list_dir="avformat avutil"
2779 avcodec_example_deps="avcodec avutil"
2780 decoding_encoding_example_deps="avcodec avformat avutil"
2781 demuxing_decoding_example_deps="avcodec avformat avutil"
2782 extract_mvs_example_deps="avcodec avformat avutil"
2783 filter_audio_example_deps="avfilter avutil"
2784 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2785 filtering_video_example_deps="avfilter avcodec avformat avutil"
2786 metadata_example_deps="avformat avutil"
2787 muxing_example_deps="avcodec avformat avutil swscale"
2788 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2789 remuxing_example_deps="avcodec avformat avutil"
2790 resampling_audio_example_deps="avutil swresample"
2791 scaling_video_example_deps="avutil swscale"
2792 transcode_aac_example_deps="avcodec avformat swresample"
2793 transcoding_example_deps="avfilter avcodec avformat avutil"
2795 # libraries, in linking order
2796 avcodec_deps="avutil"
2797 avdevice_deps="avformat avcodec avutil"
2798 avfilter_deps="avutil"
2799 avformat_deps="avcodec avutil"
2800 avresample_deps="avutil"
2801 postproc_deps="avutil gpl"
2802 swresample_deps="avutil"
2803 swscale_deps="avutil"
2806 ffmpeg_deps="avcodec avfilter avformat swresample"
2807 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2809 setpts_filter trim_filter"
2810 ffplay_deps="avcodec avformat swscale swresample sdl"
2811 ffplay_libs='$sdl_libs'
2812 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
2813 ffprobe_deps="avcodec avformat"
2814 ffserver_deps="avformat fork sarestart"
2815 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2818 podpages_deps="perl"
2819 manpages_deps="perl pod2man"
2820 htmlpages_deps="perl"
2821 htmlpages_deps_any="makeinfo_html texi2html"
2822 txtpages_deps="perl makeinfo"
2823 doc_deps_any="manpages htmlpages podpages txtpages"
2825 # default parameters
2827 logfile="config.log"
2829 # installation paths
2830 prefix_default="/usr/local"
2831 bindir_default='${prefix}/bin'
2832 datadir_default='${prefix}/share/ffmpeg'
2833 docdir_default='${prefix}/share/doc/ffmpeg'
2834 incdir_default='${prefix}/include'
2835 libdir_default='${prefix}/lib'
2836 mandir_default='${prefix}/share/man'
2842 host_cc_default="gcc"
2844 doxygen_default="doxygen"
2849 pkg_config_default=pkg-config
2850 ranlib_default="ranlib"
2851 strip_default="strip"
2852 yasmexe_default="yasm"
2853 windres_default="windres"
2856 target_os_default=$(tolower $(uname -s))
2857 host_os=$target_os_default
2860 if test "$target_os_default" = aix; then
2861 arch_default=$(uname -p)
2862 strip_default="strip -X32_64"
2864 arch_default=$(uname -m)
2869 # configurable options
2870 enable $PROGRAM_LIST
2871 enable $DOCUMENT_LIST
2872 enable $EXAMPLE_LIST
2873 enable $(filter_out avresample $LIBRARY_LIST)
2879 enable faan faandct faanidct
2880 enable optimizations
2881 enable runtime_cpudetect
2882 enable safe_bitstream_reader
2884 enable swscale_alpha
2885 enable valgrind_backtrace
2887 sws_max_filter_size_default=256
2888 set_default sws_max_filter_size
2890 # Enable hwaccels by default.
2891 enable d3d11va dxva2 vaapi vda vdpau xvmc
2895 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2898 FULLNAME='$(NAME)$(BUILDSUF)'
2899 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2902 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2903 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2904 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2905 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2906 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2907 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2929 host_cflags_filter=echo
2930 host_ldflags_filter=echo
2932 target_path='$(CURDIR)'
2934 # since the object filename is not given with the -MM flag, the compiler
2935 # is only able to print the basename, and we must add the path ourselves
2936 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2940 if test -f configure; then
2943 source_path=$(cd $(dirname "$0"); pwd)
2944 echo "$source_path" | grep -q '[[:blank:]]' &&
2945 die "Out of tree builds are impossible with whitespace in source path."
2946 test -e "$source_path/config.h" &&
2947 die "Out of tree builds are impossible with config.h in source dir."
2954 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2960 file=$source_path/$3
2961 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2964 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2965 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2966 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2967 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2968 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2969 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2970 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2971 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2972 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2973 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2974 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2990 for n in $COMPONENT_LIST; do
2991 v=$(toupper ${n%s})_LIST
2993 eval ${n}_if_any="\$$v"
2996 enable $ARCH_EXT_LIST
2999 echo "Unknown option \"$1\"."
3000 echo "See $0 --help for available options."
3005 cat | tr ' ' '\n' | sort | pr -r -3 -t
3011 echo $* | sed s/$suffix//g | print_3_columns
3023 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3024 echo "prob ${prob:-0.5}"
3032 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3033 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3042 --extra-ldexeflags=*)
3043 add_ldexeflags $optval
3045 --extra-ldlibflags=*)
3046 add_ldlibflags $optval
3049 add_extralibs $optval
3052 disable $INDEV_LIST $OUTDEV_LIST
3055 debuglevel="$optval"
3058 disable $PROGRAM_LIST
3060 --disable-everything)
3061 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3064 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3065 disable $LIBRARY_LIST $PROGRAM_LIST doc
3067 --enable-random|--disable-random)
3068 action=${opt%%-random}
3069 do_random ${action#--} $COMPONENT_LIST
3071 --enable-random=*|--disable-random=*)
3072 action=${opt%%-random=*}
3073 do_random ${action#--} $optval
3075 --enable-*=*|--disable-*=*)
3076 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3077 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3078 eval list=\$$(toupper $thing)_LIST
3079 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3080 list=$(filter "$name" $list)
3081 [ "$list" = "" ] && warn "Option $opt did not match anything"
3084 --enable-?*|--disable-?*)
3085 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3086 if is_in $option $COMPONENT_LIST; then
3087 test $action = disable && action=unset
3088 eval $action \$$(toupper ${option%s})_LIST
3089 elif is_in $option $CMDLINE_SELECT; then
3096 NAME="${opt#--list-}"
3097 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3099 eval show_list $NAME \$$(toupper $NAME)_LIST
3101 --help|-h) show_help
3103 --fatal-warnings) enable fatal_warnings
3106 optname="${opt%%=*}"
3107 optname="${optname#--}"
3108 optname=$(echo "$optname" | sed 's/-/_/g')
3109 if is_in $optname $CMDLINE_SET; then
3110 eval $optname='$optval'
3111 elif is_in $optname $CMDLINE_APPEND; then
3112 append $optname "$optval"
3124 disabled logging && logfile=/dev/null
3126 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3129 test -n "$valgrind" && toolchain="valgrind-memcheck"
3131 case "$toolchain" in
3134 add_cflags -fsanitize=address
3135 add_ldflags -fsanitize=address
3139 add_cflags -fsanitize=thread -pie
3140 add_ldflags -fsanitize=thread -pie
3144 add_cflags -fsanitize=undefined
3145 add_ldflags -fsanitize=undefined
3149 add_cflags -fsanitize=address
3150 add_ldflags -fsanitize=address
3154 add_cflags -fsanitize=thread -pie -fPIC
3155 add_ldflags -fsanitize=thread -pie -fPIC
3159 add_cflags -fsanitize=undefined
3160 add_ldflags -fsanitize=undefined
3163 target_exec_default=${valgrind:-"valgrind"}
3164 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"
3167 target_exec_default=${valgrind:-"valgrind"}
3168 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3171 # Check whether the current MSVC version needs the C99 converter.
3172 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3173 # support enough of C99 to build ffmpeg. Default to the new
3174 # behaviour if the regexp was unable to match anything, since this
3175 # successfully parses the version number of existing supported
3176 # versions that require the converter (MSVC 2010 and 2012).
3177 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3178 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3181 cc_default="c99wrap cl"
3184 nm_default="dumpbin -symbols"
3186 target_os_default="win32"
3187 # Use a relative path for TMPDIR. This makes sure all the
3188 # ffconf temp files are written with a relative path, avoiding
3189 # issues with msys/win32 path conversion for MSVC parameters
3190 # such as -Fo<file> or -out:<file>.
3196 nm_default="dumpbin -symbols"
3198 target_os_default="win32"
3202 add_cflags -fprofile-arcs -ftest-coverage
3203 add_ldflags -fprofile-arcs -ftest-coverage
3206 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3207 add_cflags -fno-strict-overflow -fstack-protector-all
3208 add_ldflags -Wl,-z,relro -Wl,-z,now
3211 die "Unknown toolchain $toolchain"
3215 test -n "$cross_prefix" && enable cross_compile
3217 if enabled cross_compile; then
3218 test -n "$arch" && test -n "$target_os" ||
3219 die "Must specify target arch and OS when cross-compiling"
3222 ar_default="${cross_prefix}${ar_default}"
3223 cc_default="${cross_prefix}${cc_default}"
3224 cxx_default="${cross_prefix}${cxx_default}"
3225 nm_default="${cross_prefix}${nm_default}"
3226 pkg_config_default="${cross_prefix}${pkg_config_default}"
3227 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3228 ranlib_default="${cross_prefix}${ranlib_default} -D"
3230 ranlib_default="${cross_prefix}${ranlib_default}"
3232 strip_default="${cross_prefix}${strip_default}"
3233 windres_default="${cross_prefix}${windres_default}"
3235 sysinclude_default="${sysroot}/usr/include"
3237 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3238 target_exec target_os yasmexe
3239 enabled cross_compile || host_cc_default=$cc
3242 pkg_config_fail_message=""
3243 if ! $pkg_config --version >/dev/null 2>&1; then
3244 warn "$pkg_config not found, library detection may fail."
3246 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3247 pkg_config_fail_message="
3248 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3251 if test $doxygen != $doxygen_default && \
3252 ! $doxygen --version >/dev/null 2>&1; then
3253 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3258 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3262 EXESUF=$(exesuf $target_os)
3263 HOSTEXESUF=$(exesuf $host_os)
3265 # set temporary file name
3266 : ${TMPDIR:=$TEMPDIR}
3270 if [ -n "$tempprefix" ] ; then
3272 echo $tempprefix.${HOSTNAME}.${UID}
3274 elif ! check_cmd mktemp -u XXXXXX; then
3275 # simple replacement for missing mktemp
3276 # NOT SAFE FOR GENERAL USE
3278 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3283 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3284 (set -C; exec > $tmp) 2>/dev/null ||
3285 die "Unable to create temporary file in $TMPDIR."
3286 append TMPFILES $tmp
3290 trap 'rm -f -- $TMPFILES' EXIT
3295 tmpfile TMPE $EXESUF
3307 # make sure we can execute files in $TMPDIR
3308 cat > $TMPSH 2>> $logfile <<EOF
3311 chmod +x $TMPSH >> $logfile 2>&1
3312 if ! $TMPSH >> $logfile 2>&1; then
3314 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3315 variable to another directory and make sure that it is not mounted noexec.
3317 die "Sanity test failed."
3323 # Filter out MSVC cl.exe options from cflags that shouldn't
3324 # be passed to gas-preprocessor
3334 -std=c99) echo -c99 ;;
3335 -mcpu=*) echo -arch ${flag#*=} ;;
3336 -mieee) echo -ieee ;;
3337 -O*|-fast) echo $flag ;;
3338 -fno-math-errno) echo -assume nomath_errno ;;
3340 -Wall) echo -msg_enable level2 ;;
3341 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3342 -Wl,*) echo $flag ;;
3352 -Wno-switch) echo -Wno-switch-enum ;;
3353 -Wno-format-zero-length) ;;
3354 -Wdisabled-optimization) ;;
3355 -Wno-pointer-sign) echo -Wno-other ;;
3361 msvc_common_flags(){
3364 # In addition to specifying certain flags under the compiler
3365 # specific filters, they must be specified here as well or else the
3366 # generic catch all at the bottom will print the original flag.
3370 -fomit-frame-pointer) ;;
3374 -fno-signed-zeros) ;;
3378 -lz) echo zlib.lib ;;
3379 -lavifil32) echo vfw32.lib ;;
3380 -lavicap32) echo vfw32.lib user32.lib ;;
3381 -l*) echo ${flag#-l}.lib ;;
3382 -L*) echo -libpath:${flag#-L} ;;
3389 msvc_common_flags "$@"
3392 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3393 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3394 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3396 -wd4273 -wd4554 -wd4701 ;;
3402 msvc_common_flags "$@"
3405 # Despite what Intel's documentation says -Wall, which is supported
3406 # on Windows, does enable remarks so disable them here.
3407 -Wall) echo $flag -Qdiag-disable:remark ;;
3408 -std=c99) echo -Qstd=c99 ;;
3426 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3427 -fomit-frame-pointer) echo -Mnoframe ;;
3438 case "${flag#*=}" in
3439 native) echo -xtarget=native ;;
3440 v9|niagara) echo -xarch=sparc ;;
3441 ultrasparc) echo -xarch=sparcvis ;;
3442 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3443 i586|pentium) echo -xchip=pentium ;;
3444 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3445 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3446 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3447 pentium4*) echo -xtarget=pentium4 ;;
3448 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3449 *-sse3) echo -xarch=sse3 ;;
3450 core2) echo -xarch=ssse3 -xchip=core2 ;;
3451 bonnell) echo -xarch=ssse3 ;;
3452 corei7|nehalem) echo -xtarget=nehalem ;;
3453 westmere) echo -xtarget=westmere ;;
3454 silvermont) echo -xarch=sse4_2 ;;
3455 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3456 core-avx*|ivybridge|haswell|broadwell)
3458 amdfam10|barcelona) echo -xtarget=barcelona ;;
3459 btver1) echo -xarch=amdsse4a ;;
3460 btver2|bdver*) echo -xarch=avx ;;
3461 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3462 k8|opteron|athlon64|athlon-fx)
3463 echo -xarch=sse2a ;;
3464 athlon*) echo -xarch=pentium_proa ;;
3467 -std=c99) echo -xc99 ;;
3468 -fomit-frame-pointer) echo -xregs=frameptr ;;
3469 -fPIC) echo -KPIC -xcode=pic32 ;;
3470 -W*,*) echo $flag ;;
3471 -f*-*|-W*|-mimpure-text) ;;
3482 case "${flag#*=}" in
3483 armv7-a|cortex-a*) echo -mv=7a8 ;;
3484 armv7-r|cortex-r*) echo -mv=7r4 ;;
3485 armv7-m|cortex-m*) echo -mv=7m3 ;;
3486 armv6*|arm11*) echo -mv=6 ;;
3487 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3489 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3492 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3493 -mfpu=vfp) echo --float_support=vfpv2 ;;
3494 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3495 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3496 -msoft-float) echo --float_support=vfplib ;;
3497 -O[0-3]|-mf=*) echo $flag ;;
3499 -pds=*) echo $flag ;;
3500 -D*|-I*) echo $flag ;;
3501 --gcc|--abi=*) echo $flag ;;
3511 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3512 unset _ld_o _ldflags _ld_lib _ld_path
3513 unset _depflags _DEPCMD _DEPFLAGS
3516 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3517 true # no-op to avoid reading stdin in following checks
3518 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3520 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
3521 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
3522 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3525 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3527 gcc_version=$($_cc --version | head -n1)
3528 gcc_basever=$($_cc -dumpversion)
3529 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3530 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3531 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3532 if ! $_cc -dumpversion | grep -q '^2\.'; then
3533 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3537 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3539 _ident=$($_cc --version | head -n1)
3544 _flags_filter=icc_flags
3545 elif $_cc -v 2>&1 | grep -q xlc; then
3547 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3549 _cflags_size='-O5 -qcompact'
3550 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3552 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3554 _cflags_speed='-fast'
3556 _flags_filter=ccc_flags
3557 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3558 test -d "$sysroot" || die "No valid sysroot specified."
3560 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3561 armcc_conf="$PWD/armcc.conf"
3562 $_cc --arm_linux_configure \
3563 --arm_linux_config_file="$armcc_conf" \
3564 --configure_sysroot="$sysroot" \
3565 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3566 die "Error creating armcc configuration file."
3567 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3568 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3569 as_default="${cross_prefix}gcc"
3573 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3575 _ident=$($_cc -version | head -n1 | tr -s ' ')
3576 _flags='--gcc --abi=eabi -me'
3579 _depflags='-ppa -ppd=$(@:.o=.d)'
3580 _cflags_speed='-O3 -mf=5'
3581 _cflags_size='-O3 -mf=2'
3582 _flags_filter=tms470_flags
3583 elif $_cc -v 2>&1 | grep -q clang; then
3585 _ident=$($_cc --version | head -n1)
3586 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3589 elif $_cc -V 2>&1 | grep -q Sun; then
3591 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3592 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3593 _DEPFLAGS='-xM1 -xc99'
3596 _cflags_size='-O5 -xspace'
3597 _flags_filter=suncc_flags
3598 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3600 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3601 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3604 _flags_filter='filter_out -Wdisabled-optimization'
3605 elif $_cc -v 2>&1 | grep -q Open64; then
3607 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3608 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3611 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3612 elif $_cc -V 2>&1 | grep -q Portland; then
3614 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3615 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3616 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3617 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3619 _flags_filter=pgi_flags
3620 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3622 _ident=$($_cc | head -n1)
3623 # 4509: "This form of conditional instruction is deprecated"
3624 _flags="-nologo -ignore 4509"
3625 _flags_filter=armasm_flags
3626 elif $_cc 2>&1 | grep -q Intel; then
3628 _ident=$($_cc 2>&1 | head -n1)
3629 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3630 # Not only is O3 broken on 13.x+ but it is slower on all previous
3631 # versions (tested) as well.
3633 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3634 if $_cc 2>&1 | grep -q Linker; then
3641 _flags_filter=icl_flags
3643 _ld_path='-libpath:'
3644 # -Qdiag-error to make icl error when seeing certain unknown arguments
3645 _flags='-nologo -Qdiag-error:4044,10157'
3646 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3647 # with MSVC which enables it by default.
3648 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3650 elif $_cc 2>&1 | grep -q Microsoft; then
3652 _ident=$($_cc 2>&1 | head -n1)
3653 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3654 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3657 if $_cc 2>&1 | grep -q Linker; then
3664 _flags_filter=msvc_flags
3666 _ld_path='-libpath:'
3668 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3670 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3672 _ident=$($_cc --version | head -n1)
3676 _flags_filter=cparser_flags
3679 eval ${pfx}_type=\$_type
3680 eval ${pfx}_ident=\$_ident
3684 eval ${1}_C=\${_cc_c-\${${1}_C}}
3685 eval ${1}_E=\${_cc_e-\${${1}_E}}
3686 eval ${1}_O=\${_cc_o-\${${1}_O}}
3688 if [ -n "$_depflags" ]; then
3689 eval ${1}_DEPFLAGS=\$_depflags
3691 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3692 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3693 eval DEP${1}FLAGS=\$_flags
3698 cflags_filter=$_flags_filter
3699 cflags_speed=$_cflags_speed
3700 cflags_size=$_cflags_size
3701 cflags_noopt=$_cflags_noopt
3702 add_cflags $_flags $_cflags
3703 cc_ldflags=$_ldflags
3706 probe_cc hostcc "$host_cc"
3707 host_cflags_filter=$_flags_filter
3708 add_host_cflags $_flags $_cflags
3711 test -n "$cc_type" && enable $cc_type ||
3712 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3714 : ${as_default:=$cc}
3715 : ${dep_cc_default:=$cc}
3716 : ${ld_default:=$cc}
3717 : ${host_ld_default:=$host_cc}
3718 set_default ar as dep_cc ld host_ld windres
3721 asflags_filter=$_flags_filter
3722 add_asflags $_flags $_cflags
3726 ldflags_filter=$_flags_filter
3727 add_ldflags $_flags $_ldflags
3728 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3730 LD_LIB=${_ld_lib-$LD_LIB}
3731 LD_PATH=${_ld_path-$LD_PATH}
3733 probe_cc hostld "$host_ld"
3734 host_ldflags_filter=$_flags_filter
3735 add_host_ldflags $_flags $_ldflags
3736 HOSTLD_O=${_ld_o-$HOSTLD_O}
3738 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3739 probe_cc depcc "$dep_cc"
3740 CCDEP=${_DEPCMD:-$DEPCMD}
3741 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3745 if $ar 2>&1 | grep -q Microsoft; then
3748 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3751 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3752 arflags='-Xany -r -c'
3754 elif $ar 2>&1 | grep -q "\[D\] "; then
3762 add_cflags $extra_cflags
3763 add_cxxflags $extra_cxxflags
3764 add_asflags $extra_cflags
3766 if test -n "$sysroot"; then
3769 add_cppflags --sysroot="$sysroot"
3770 add_ldflags --sysroot="$sysroot"
3771 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
3772 add_cppflags -isysroot "$sysroot"
3773 add_ldflags -isysroot "$sysroot"
3776 add_cppflags -I"$sysinclude"
3777 add_ldflags --sysroot="$sysroot"
3782 if test "$cpu" = host; then
3783 enabled cross_compile &&
3784 die "--cpu=host makes no sense when cross-compiling."
3789 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3791 s/.*$1=\\([^ ]*\\).*/\\1/
3796 cpu=$(check_native -march || check_native -mcpu)
3800 test "${cpu:-host}" = host &&
3801 die "--cpu=host not supported with compiler $cc"
3804 # Deal with common $arch aliases
3818 "Power Macintosh"|ppc*|powerpc*)
3833 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3838 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3841 # Add processor-specific flags
3842 if enabled aarch64; then
3846 cpuflags="-march=$cpu"
3849 cpuflags="-mcpu=$cpu"
3853 elif enabled alpha; then
3855 cpuflags="-mcpu=$cpu"
3857 elif enabled arm; then
3860 check_cpp_condition stddef.h \
3861 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3866 if check_arm_arch 4; then echo armv4;
3867 elif check_arm_arch 4T; then echo armv4t;
3868 elif check_arm_arch 5; then echo armv5;
3869 elif check_arm_arch 5E; then echo armv5e;
3870 elif check_arm_arch 5T; then echo armv5t;
3871 elif check_arm_arch 5TE; then echo armv5te;
3872 elif check_arm_arch 5TEJ; then echo armv5te;
3873 elif check_arm_arch 6; then echo armv6;
3874 elif check_arm_arch 6J; then echo armv6j;
3875 elif check_arm_arch 6K; then echo armv6k;
3876 elif check_arm_arch 6Z; then echo armv6z;
3877 elif check_arm_arch 6ZK; then echo armv6zk;
3878 elif check_arm_arch 6T2; then echo armv6t2;
3879 elif check_arm_arch 7; then echo armv7;
3880 elif check_arm_arch 7A 7_A; then echo armv7-a;
3881 elif check_arm_arch 7S; then echo armv7-a;
3882 elif check_arm_arch 7R 7_R; then echo armv7-r;
3883 elif check_arm_arch 7M 7_M; then echo armv7-m;
3884 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3885 elif check_arm_arch 8A 8_A; then echo armv8-a;
3889 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3893 cpuflags="-march=$cpu"
3894 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3897 cpuflags="-mcpu=$cpu"
3899 cortex-a*) subarch=armv7a ;;
3900 cortex-r*) subarch=armv7r ;;
3901 cortex-m*) enable thumb; subarch=armv7m ;;
3902 arm11*) subarch=armv6 ;;
3903 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3904 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3905 *) subarch=$(probe_arm_arch) ;;
3911 armv5t*) enable fast_clz ;;
3914 disabled fast_unaligned || enable fast_unaligned
3918 elif enabled avr32; then
3923 cpuflags="-mpart=$cpu"
3927 cpuflags="-march=$cpu"
3931 cpuflags="-mcpu=$cpu"
3935 cpuflags="-march=$cpu"
3939 elif enabled bfin; then
3941 cpuflags="-mcpu=$cpu"
3943 elif enabled mips; then
3945 cpuflags="-march=$cpu"
3970 24kef*|34kf*|1004kf*)
3992 check_cflags "-mtune=p5600"
4000 check_cflags "-mtune=i6400 -mabi=64"
4001 check_ldflags "-mabi=64"
4011 enable local_aligned_8 local_aligned_16 local_aligned_32
4012 enable simd_align_16
4016 enable fast_unaligned
4017 disable aligned_stack
4020 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4023 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4026 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4037 elif enabled ppc; then
4041 case $(tolower $cpu) in
4042 601|ppc601|powerpc601)
4043 cpuflags="-mcpu=601"
4046 603*|ppc603*|powerpc603*)
4047 cpuflags="-mcpu=603"
4050 604*|ppc604*|powerpc604*)
4051 cpuflags="-mcpu=604"
4054 g3|75*|ppc75*|powerpc75*)
4055 cpuflags="-mcpu=750"
4058 g4|745*|ppc745*|powerpc745*)
4059 cpuflags="-mcpu=7450"
4062 74*|ppc74*|powerpc74*)
4063 cpuflags="-mcpu=7400"
4066 g5|970|ppc970|powerpc970)
4067 cpuflags="-mcpu=970"
4071 cpuflags="-mcpu=$cpu"
4075 cpuflags="-mcpu=$cpu"
4078 cpuflags="-mcpu=cell"
4083 cpuflags="-mcpu=e500mc"
4087 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4092 cpuflags="-mcpu=8540 -mhard-float"
4098 elif enabled sparc; then
4101 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4102 cpuflags="-mcpu=$cpu"
4104 ultrasparc*|niagara[234])
4105 cpuflags="-mcpu=$cpu"
4109 elif enabled x86; then
4113 cpuflags="-march=$cpu"
4117 # targets that do NOT support nopl and conditional mov (cmov)
4118 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4119 cpuflags="-march=$cpu"
4122 # targets that do support nopl and conditional mov (cmov)
4123 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4124 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)
4125 cpuflags="-march=$cpu"
4129 # targets that do support conditional mov but on which it's slow
4130 pentium4|pentium4m|prescott|nocona)
4131 cpuflags="-march=$cpu"
4139 if [ "$cpu" != generic ]; then
4140 add_cflags $cpuflags
4141 add_asflags $cpuflags
4144 # compiler sanity check
4146 int main(void){ return 0; }
4148 if test "$?" != 0; then
4149 echo "$cc is unable to create an executable file."
4150 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4151 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4152 echo "Only do this if you know what cross compiling means."
4154 die "C compiler test failed."
4157 add_cppflags -D_ISOC99_SOURCE
4158 add_cxxflags -D__STDC_CONSTANT_MACROS
4159 check_cflags -std=c99
4160 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
4163 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
4167 add_host_cppflags -D_ISOC99_SOURCE
4168 check_host_cflags -std=c99
4169 check_host_cflags -Wall
4170 check_host_cflags -O3
4176 check_code cc "" "int test[2*($expr) - 1]" &&
4177 subarch=$arch64 || subarch=$arch32
4185 check_64bit mips mips64 '_MIPS_SIM > 1'
4189 check_64bit parisc parisc64 'sizeof(void *) > 4'
4193 check_64bit ppc ppc64 'sizeof(void *) > 4'
4197 check_64bit s390 s390x 'sizeof(void *) > 4'
4201 check_64bit sparc sparc64 'sizeof(void *) > 4'
4205 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4206 # Treat x32 as x64 for now. Note it also needs spic=$shared
4207 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4209 if test "$subarch" = "x86_64"; then
4214 check_cc <<EOF && subarch="ppc64"
4215 int test[(int)sizeof(char*) - 7];
4221 enabled spic && enable_weak pic
4227 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4228 enabled shared && add_ldflags -Wl,-brtl
4232 enable section_data_rel_ro
4233 SLIB_INSTALL_NAME='$(SLIBNAME)'
4235 # soname not set on purpose
4239 prefix_default="/boot/common"
4240 network_extralibs="-lnetwork"
4244 SHFLAGS='-shared -Wl,-h,$$(@F)'
4245 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
4246 network_extralibs="-lsocket -lnsl"
4247 add_cppflags -D__EXTENSIONS__
4248 # When using suncc to build, the Solaris linker will mark
4249 # an executable with each instruction set encountered by
4250 # the Solaris assembler. As our libraries contain their own
4251 # guards for processor-specific code, instead suppress
4252 # generation of the HWCAPS ELF section on Solaris x86 only.
4253 enabled_all suncc x86 &&
4254 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4255 add_ldflags -Wl,-M,mapfile
4256 nm_default='nm -P -g'
4260 oss_indev_extralibs="-lossaudio"
4261 oss_outdev_extralibs="-lossaudio"
4262 enabled gcc || check_ldflags -Wl,-zmuldefs
4267 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4269 oss_indev_extralibs="-lossaudio"
4270 oss_outdev_extralibs="-lossaudio"
4278 add_extralibs -lpoll -lgnugetopt
4282 enabled ppc && add_asflags -force_cpusubtype_ALL
4283 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4284 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4286 add_ldflags -Wl,-dynamic,-search_paths_first
4288 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4289 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4291 enabled x86_64 && objformat="macho64"
4292 enabled_any pic shared x86_64 ||
4293 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4296 if test $target_os = "mingw32ce"; then
4302 if enabled x86_64; then
4303 LIBTARGET="i386:x86-64"
4304 elif enabled arm; then
4307 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4308 check_ldflags -Wl,--nxcompat
4309 check_ldflags -Wl,--dynamicbase
4310 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4311 shlibdir_default="$bindir_default"
4314 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4315 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4316 dlltool="${cross_prefix}dlltool"
4317 if check_cmd lib.exe -list; then
4318 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4319 if enabled x86_64; then
4322 elif check_cmd $dlltool --version; then
4323 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4325 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4327 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4328 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4329 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
4336 if enabled shared; then
4337 # Link to the import library instead of the normal static library
4340 # Cannot build both shared and static libs with MSVC or icl.
4343 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
4344 shlibdir_default="$bindir_default"
4347 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4348 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4349 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4350 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4352 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4353 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4354 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4361 shlibdir_default="$bindir_default"
4364 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4365 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4366 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4368 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4369 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4372 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4374 *-dos|freedos|opendos)
4375 network_extralibs="-lsocket"
4378 add_cppflags -U__STRICT_ANSI__
4382 enable section_data_rel_ro
4386 ranlib="echo ignoring ranlib"
4392 add_cppflags -D_GNU_SOURCE
4393 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4394 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4398 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4399 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4400 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4401 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4402 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4403 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4404 emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'
4405 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4406 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4407 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4409 enable_weak os2threads
4412 add_cppflags -D_BSD_SOURCE
4417 add_cppflags -D_QNX_SOURCE
4418 network_extralibs="-lsocket"
4423 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4424 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4425 add_ldflags -Wl,--target1-abs,--no-undefined \
4426 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4427 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4428 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4429 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4430 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4433 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4438 add_cppflags -D_C99_SNPRINTF_EXTENSION \
4439 -D_REENTRANT_SOURCE \
4440 -D_RESEARCH_SOURCE \
4443 add_compat strtod.o strtod=avpriv_strtod
4444 network_extralibs='-lbsd'
4445 exeobjs=compat/plan9/main.o
4452 die "Unknown OS '$target_os'."
4456 # determine libc flavour
4461 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4462 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4463 eval ${pfx}libc_type=uclibc
4464 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4465 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4466 eval ${pfx}libc_type=glibc
4467 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4468 # MinGW headers can be installed on Cygwin, so check for newlib first.
4469 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4470 eval ${pfx}libc_type=newlib
4471 add_${pfx}cppflags -U__STRICT_ANSI__
4472 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4473 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4474 eval ${pfx}libc_type=mingw64
4475 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
4476 add_compat msvcrt/snprintf.o
4477 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
4479 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4480 eval test \$${pfx_no_}cc_type = "gcc" &&
4481 add_${pfx}cppflags -D__printf__=__gnu_printf__
4482 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4483 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4484 eval ${pfx}libc_type=mingw32
4485 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4486 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4487 die "ERROR: MinGW32 runtime version must be >= 3.15."
4488 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4489 eval test \$${pfx_no_}cc_type = "gcc" &&
4490 add_${pfx}cppflags -D__printf__=__gnu_printf__
4491 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4492 eval ${pfx}libc_type=msvcrt
4493 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
4494 if [ "$pfx" = host_ ]; then
4495 add_host_cppflags -Dsnprintf=_snprintf
4497 add_compat strtod.o strtod=avpriv_strtod
4498 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4499 _snprintf=avpriv_snprintf \
4500 vsnprintf=avpriv_vsnprintf
4503 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4504 # 0x601 by default unless something else is set by the user.
4505 # This can easily lead to us detecting functions only present
4506 # in such new versions and producing binaries requiring windows 7.0.
4507 # Therefore explicitly set the default to XP unless the user has
4508 # set something else on the command line.
4509 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4510 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
4511 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4512 eval ${pfx}libc_type=klibc
4513 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4514 eval ${pfx}libc_type=bionic
4515 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4516 eval ${pfx}libc_type=solaris
4517 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4519 check_${pfx}cc <<EOF
4521 void *v = localtime_r;
4523 test "$?" != 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
4525 void *v = localtime_r;
4531 test -n "$libc_type" && enable libc_$libc_type
4533 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4537 add_compat strtod.o strtod=avpriv_strtod
4541 # hacks for compiler/libc/os combinations
4543 if enabled_all tms470 libc_glibc; then
4544 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4545 add_cppflags -D__USER_LABEL_PREFIX__=
4546 add_cppflags -D__builtin_memset=memset
4547 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4548 add_cflags -pds=48 # incompatible redefinition of macro
4551 if enabled_all ccc libc_glibc; then
4552 add_ldflags -Wl,-z,now # calls to libots crash without this
4555 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4556 add_cppflags '-I\$(SRC_PATH)/compat/float'
4559 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4562 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
4564 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4567 : ${shlibdir_default:="$libdir"}
4568 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
4570 set_default $PATHS_LIST
4573 # we need to build at least one lib type
4574 if ! enabled_any static shared; then
4576 At least one library type must be built.
4577 Specify --enable-static to build the static libraries or --enable-shared to
4578 build the shared libraries as well. To only build the shared libraries specify
4579 --disable-static in addition to --enable-shared.
4584 die_license_disabled() {
4585 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
4588 die_license_disabled_gpl() {
4589 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
4592 die_license_disabled gpl frei0r
4593 die_license_disabled gpl libcdio
4594 die_license_disabled gpl libsmbclient
4595 die_license_disabled gpl libutvideo
4596 die_license_disabled gpl libvidstab
4597 die_license_disabled gpl libx264
4598 die_license_disabled gpl libx265
4599 die_license_disabled gpl libxavs
4600 die_license_disabled gpl libxvid
4601 die_license_disabled gpl libzvbi
4602 die_license_disabled gpl x11grab
4604 die_license_disabled nonfree libaacplus
4605 die_license_disabled nonfree libfaac
4606 die_license_disabled nonfree nvenc
4607 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
4608 enabled gpl && die_license_disabled_gpl nonfree openssl
4610 die_license_disabled version3 libopencore_amrnb
4611 die_license_disabled version3 libopencore_amrwb
4612 die_license_disabled version3 libsmbclient
4613 die_license_disabled version3 libvo_aacenc
4614 die_license_disabled version3 libvo_amrwbenc
4616 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4618 disabled optimizations || check_cflags -fomit-frame-pointer
4621 disabled pic && return
4624 case "$target_os" in
4634 enabled pic && enable_weak_pic
4636 check_cc <<EOF || die "Symbol mangling check failed."
4639 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4640 extern_prefix=${sym%%ff_extern*}
4642 check_cc <<EOF && enable_weak inline_asm
4643 void foo(void) { __asm__ volatile ("" ::); }
4647 for restrict_keyword in restrict __restrict__ __restrict; do
4648 check_cc <<EOF && _restrict=$restrict_keyword && break
4649 void foo(char * $restrict_keyword p);
4653 check_cc <<EOF && enable pragma_deprecated
4654 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4657 check_cc <<EOF && enable attribute_packed
4658 struct { int x; } __attribute__((packed)) x;
4661 check_cc <<EOF && enable attribute_may_alias
4662 union { int x; } __attribute__((may_alias)) x;
4665 check_cc <<EOF || die "endian test failed"
4666 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4668 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4670 if ! enabled ppc64 || enabled bigendian; then
4675 log "check_gas using '$as' as AS"
4676 # :vararg is used on aarch64, arm and ppc altivec
4677 check_as <<EOF || return 1
4678 .macro m n, y:vararg=0
4683 # .altmacro is only used in arm asm
4684 ! enabled arm || check_as <<EOF || return 1
4691 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
4693 enabled_any arm aarch64 && nogas=die
4694 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
4698 arm*) gaspp_as_type=armasm; as_noop=-h ;;
4699 gcc) gaspp_as_type=gas ;;
4700 *) gaspp_as_type=$as_type ;;
4703 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
4705 test "${as#*gas-preprocessor.pl}" != "$as" ||
4706 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
4707 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
4709 if ! check_gas ; then
4712 $nogas "GNU assembler not found, install/update gas-preprocessor"
4715 check_as <<EOF && enable as_func
4721 check_inline_asm inline_asm_labels '"1:\n"'
4723 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
4725 if enabled aarch64; then
4726 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
4727 # internal assembler in clang 3.3 does not support this instruction
4728 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
4729 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
4731 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4733 elif enabled alpha; then
4737 elif enabled arm; then
4739 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
4740 float func(float a, float b){ return a+b; }
4743 enabled thumb && check_cflags -mthumb || check_cflags -marm
4745 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4747 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
4748 case "${cross_prefix:-$cc}" in
4749 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4750 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4751 __asm__ (".eabi_attribute 28, 1");
4752 int main(void) { return 0; }
4755 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4758 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4759 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4760 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4761 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4762 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4763 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4764 enabled setend && check_insn setend 'setend be'
4766 [ $target_os = linux ] || [ $target_os = android ] ||
4767 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4770 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4772 check_as <<EOF && enable as_dn_directive
4777 # llvm's integrated assembler supports .object_arch from llvm 3.5
4778 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
4782 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4784 elif enabled mips; then
4786 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
4787 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
4788 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
4790 # Enable minimum ISA based on selected options
4791 if enabled mips64 && (enabled mipsdspr1 || enabled mipsdspr2); then
4792 add_cflags "-mips64r2"
4793 add_asflags "-mips64r2"
4794 elif enabled mips64 && enabled mipsfpu && disabled loongson2 && disabled loongson3; then
4795 add_cflags "-mips64"
4796 add_asflags "-mips64"
4797 elif enabled mipsdspr1 || enabled mipsdspr2; then
4798 add_cflags "-mips32r2 -mfp32"
4799 add_asflags "-mips32r2 -mfp32"
4800 elif enabled mips32r5 || enabled mips64r6; then
4801 check_cflags "-mfp64"
4802 check_ldflags "-mfp64"
4805 enabled mips32r5 && check_cflags "-mips32r5 -msched-weight -mload-store-pairs -funroll-loops" &&
4806 check_ldflags "-mips32r5" &&
4807 check_inline_asm mips32r5 '"ulw $t0, ($t1)"'
4808 enabled mips64r6 && check_cflags "-mips64r6 -msched-weight -mload-store-pairs -funroll-loops" &&
4809 check_ldflags "-mips64r6" &&
4810 check_inline_asm mips64r6 '"aui $t0, $t1, 1"'
4811 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
4812 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
4813 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
4814 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
4815 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
4816 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
4817 enabled msa && check_cflags "-mmsa" && check_ldflags "-mmsa" &&
4818 check_inline_asm msa '"addvi.b $w0, $w1, 1"'
4820 enabled mips32r5 && add_asflags "-mips32r5 -mfp64"
4821 enabled mips64r6 && add_asflags "-mips64r6 -mfp64"
4822 enabled msa && add_asflags "-mmsa"
4824 elif enabled parisc; then
4826 if enabled gcc; then
4827 case $($cc -dumpversion) in
4828 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
4832 elif enabled ppc; then
4834 enable local_aligned_8 local_aligned_16 local_aligned_32
4836 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4837 check_inline_asm ibm_asm '"add 0, 0, 0"'
4838 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4839 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4841 # AltiVec flags: The FSF version of GCC differs from the Apple version
4842 if enabled altivec; then
4843 check_cflags -maltivec -mabi=altivec &&
4844 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4845 check_cflags -faltivec
4847 # check if our compiler supports Motorola AltiVec C API
4848 check_cc <<EOF || disable altivec
4851 vector signed int v1 = (vector signed int) { 0 };
4852 vector signed int v2 = (vector signed int) { 1 };
4853 v1 = vec_add(v1, v2);
4858 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4861 if enabled vsx; then
4862 check_cflags -mvsx &&
4863 check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx
4866 if enabled power8; then
4867 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
4870 elif enabled x86; then
4872 check_builtin rdtsc intrin.h "__rdtsc()"
4873 check_builtin mm_empty mmintrin.h "_mm_empty()"
4875 enable local_aligned_8 local_aligned_16 local_aligned_32
4877 # check whether EBP is available on x86
4878 # As 'i' is stored on the stack, this program will crash
4879 # if the base pointer is used to access it because the
4880 # base pointer is cleared in the inline assembly code.
4881 check_exec_crash <<EOF && enable ebp_available
4883 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4887 # check whether EBX is available on x86
4888 check_inline_asm ebx_available '""::"b"(0)' &&
4889 check_inline_asm ebx_available '"":::"%ebx"'
4891 # check whether xmm clobbers are supported
4892 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4894 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
4895 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
4897 # check whether binutils is new enough to compile SSSE3/MMXEXT
4898 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4899 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4901 if ! disabled_any asm mmx yasm; then
4902 if check_cmd $yasmexe --version; then
4903 enabled x86_64 && yasm_extra="-m amd64"
4904 yasm_debug="-g dwarf2"
4905 elif check_cmd nasm -v; then
4907 yasm_debug="-g -F dwarf"
4908 if enabled x86_64; then
4909 case "$objformat" in
4910 elf) objformat=elf64 ;;
4911 win32) objformat=win64 ;;
4916 YASMFLAGS="-f $objformat $yasm_extra"
4917 enabled pic && append YASMFLAGS "-DPIC"
4918 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4919 case "$objformat" in
4920 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4923 check_yasm "movbe ecx, [5]" && enable yasm ||
4924 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4925 check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
4926 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
4927 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4928 check_yasm "CPU amdnop" || disable cpunop
4932 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4939 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
4941 check_ldflags -Wl,--as-needed
4942 check_ldflags -Wl,-z,noexecstack
4944 if check_func dlopen; then
4946 elif check_func dlopen -ldl; then
4950 frei0r_filter_extralibs='$ldl'
4951 frei0r_src_filter_extralibs='$ldl'
4952 ladspa_filter_extralibs='$ldl'
4953 nvenc_encoder_extralibs='$ldl'
4955 if ! disabled network; then
4956 check_func getaddrinfo $network_extralibs
4957 check_func getservbyport $network_extralibs
4958 check_func inet_aton $network_extralibs
4960 check_type netdb.h "struct addrinfo"
4961 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4962 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4963 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4964 check_type poll.h "struct pollfd"
4965 check_type netinet/sctp.h "struct sctp_event_subscribe"
4966 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4967 check_type netinet/in.h "struct sockaddr_in6"
4968 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4969 check_type "sys/types.h sys/socket.h" socklen_t
4971 # Prefer arpa/inet.h over winsock2
4972 if check_header arpa/inet.h ; then
4973 check_func closesocket
4974 elif check_header winsock2.h ; then
4975 check_func_headers winsock2.h closesocket -lws2 &&
4976 network_extralibs="-lws2" ||
4977 { check_func_headers winsock2.h closesocket -lws2_32 &&
4978 network_extralibs="-lws2_32"; } || disable winsock2_h network
4979 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4981 check_type ws2tcpip.h socklen_t
4982 check_type ws2tcpip.h "struct addrinfo"
4983 check_type ws2tcpip.h "struct group_source_req"
4984 check_type ws2tcpip.h "struct ip_mreq_source"
4985 check_type ws2tcpip.h "struct ipv6_mreq"
4986 check_type winsock2.h "struct pollfd"
4987 check_struct winsock2.h "struct sockaddr" sa_len
4988 check_type ws2tcpip.h "struct sockaddr_in6"
4989 check_type ws2tcpip.h "struct sockaddr_storage"
4995 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4996 check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"
4997 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4998 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4999 check_builtin sarestart signal.h "SA_RESTART"
5000 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
5001 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
5002 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
5004 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
5005 check_func ${malloc_prefix}memalign && enable memalign
5006 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5009 check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
5012 check_func gethrtime
5014 check_func getrusage
5015 check_func gettimeofday
5017 check_func mach_absolute_time
5021 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5022 check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
5023 check_func sched_getaffinity
5024 check_func setrlimit
5025 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5026 check_func strerror_r
5031 check_func_headers conio.h kbhit
5032 check_func_headers io.h setmode
5033 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5034 check_func_headers stdlib.h getenv
5036 check_func_headers windows.h CoTaskMemFree -lole32
5037 check_func_headers windows.h GetProcessAffinityMask
5038 check_func_headers windows.h GetProcessTimes
5039 check_func_headers windows.h GetSystemTimeAsFileTime
5040 check_func_headers windows.h MapViewOfFile
5041 check_func_headers windows.h PeekNamedPipe
5042 check_func_headers windows.h SetConsoleTextAttribute
5043 check_func_headers windows.h SetConsoleCtrlHandler
5044 check_func_headers windows.h Sleep
5045 check_func_headers windows.h VirtualAlloc
5046 check_struct windows.h "CONDITION_VARIABLE" Ptr
5047 check_func_headers glob.h glob
5049 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5051 check_header direct.h
5052 check_header dlfcn.h
5053 check_header d3d11.h
5055 check_header dxva2api.h -D_WIN32_WINNT=0x0600
5057 check_header libcrystalhd/libcrystalhd_if.h
5058 check_header mach/mach_time.h
5059 check_header malloc.h
5060 check_header net/udplite.h
5062 check_header sys/mman.h
5063 check_header sys/param.h
5064 check_header sys/resource.h
5065 check_header sys/select.h
5066 check_header sys/time.h
5067 check_header sys/un.h
5068 check_header termios.h
5069 check_header unistd.h
5070 check_header valgrind/valgrind.h
5071 check_header vdpau/vdpau.h
5072 check_header vdpau/vdpau_x11.h
5073 check_header VideoDecodeAcceleration/VDADecoder.h
5074 check_header windows.h
5075 check_header X11/extensions/XvMClib.h
5076 check_header asm/types.h
5078 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
5079 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
5080 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5082 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
5084 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC"
5085 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
5086 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0600
5088 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
5090 if ! disabled w32threads && ! enabled pthreads; then
5091 check_func_headers "windows.h process.h" _beginthreadex &&
5092 enable w32threads || disable w32threads
5095 # check for some common methods of building with pthread support
5096 # do this before the optional library checks as some of them require pthreads
5097 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
5099 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
5101 add_extralibs -pthread
5102 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
5103 add_cflags -pthreads
5104 add_extralibs -pthreads
5105 elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then
5106 add_cflags -ldl -pthread
5107 add_extralibs -ldl -pthread
5108 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
5109 add_extralibs -lpthreadGC2
5110 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
5112 elif ! check_func pthread_join && ! check_func pthread_create; then
5115 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
5119 if enabled pthreads; then
5120 check_func pthread_cancel
5123 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
5124 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
5125 disabled lzma || check_lib2 lzma.h lzma_version_number -llzma || disable lzma
5127 check_lib math.h sin -lm && LIBM="-lm"
5128 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
5134 for func in $MATH_FUNCS; do
5135 eval check_mathfunc $func \${${func}_args:-1}
5138 # these are off by default, so fail if requested and not available
5139 enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; }
5140 enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||
5141 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }
5142 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
5143 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
5144 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
5145 enabled decklink && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }
5146 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
5147 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
5148 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
5149 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
5150 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
5151 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
5152 enabled libbluray && require_pkg_config libbluray libbluray/bluray.h bd_open
5153 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
5154 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
5155 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
5156 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
5157 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
5158 enabled libdcadec && require_pkg_config dcadec libdcadec/dca_context.h dcadec_context_create &&
5159 check_struct libdcadec/dca_context.h "struct dcadec_exss_info" matrix_encoding
5160 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
5161 enabled libfdk_aac && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
5162 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
5163 warn "using libfdk without pkg-config"; } }
5164 flite_libs="-lflite_cmu_time_awb -lflite_cmu_us_awb -lflite_cmu_us_kal -lflite_cmu_us_kal16 -lflite_cmu_us_rms -lflite_cmu_us_slt -lflite_usenglish -lflite_cmulex -lflite"
5165 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
5166 enabled fontconfig && enable libfontconfig
5167 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
5168 enabled libfreetype && require_libfreetype
5169 enabled libfribidi && require_pkg_config fribidi fribidi.h fribidi_version_info
5170 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
5171 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
5172 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
5173 done || die "ERROR: libgsm not found"; }
5174 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
5175 enabled libkvazaar && require2 libkvazaar kvazaar.h kvz_api_get -lkvazaar
5176 enabled libmfx && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit
5177 enabled libmodplug && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load
5178 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
5179 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
5180 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
5181 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
5182 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
5183 enabled libopenh264 && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion
5184 enabled libopenjpeg && { check_lib openjpeg.h opj_version -lopenmj2 -DOPJ_STATIC ||
5185 check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
5186 check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
5187 die "ERROR: libopenjpeg not found"; }
5188 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
5189 enabled libpulse && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new
5190 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
5191 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
5192 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
5193 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
5194 enabled libsmbclient && { use_pkg_config smbclient libsmbclient.h smbc_init ||
5195 require smbclient libsmbclient.h smbc_init -lsmbclient; }
5196 enabled libsnappy && require snappy snappy-c.h snappy_compress -lsnappy
5197 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
5198 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
5199 enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
5200 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
5201 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
5202 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
5203 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
5204 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
5205 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
5206 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
5207 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
5208 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
5209 enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
5210 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
5211 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
5212 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
5215 enabled libvpx_vp8_decoder && {
5216 use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
5217 check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
5218 die "ERROR: libvpx decoder version must be >=0.9.1";
5220 enabled libvpx_vp8_encoder && {
5221 use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
5222 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
5223 die "ERROR: libvpx encoder version must be >=0.9.7";
5225 enabled libvpx_vp9_decoder && {
5226 use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
5227 check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx ||
5228 disable libvpx_vp9_decoder;
5230 enabled libvpx_vp9_encoder && {
5231 use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
5232 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx ||
5233 disable libvpx_vp9_encoder;
5235 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
5236 die "libvpx enabled but no supported decoders found"
5240 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
5241 enabled libwebp && {
5242 enabled libwebp_encoder && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
5243 enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }
5244 enabled libx264 && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||
5245 { require libx264 x264.h x264_encoder_encode -lx264 &&
5246 warn "using libx264 without pkg-config"; } } &&
5247 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
5248 die "ERROR: libx264 must be installed and version must be >= 0.118."; } &&
5249 { check_cpp_condition x264.h "X264_MPEG2" &&
5251 enabled libx265 && require_pkg_config x265 x265.h x265_api_get &&
5252 { check_cpp_condition x265.h "X265_BUILD >= 57" ||
5253 die "ERROR: libx265 version must be >= 57."; }
5254 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
5255 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
5256 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
5257 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
5258 enabled mmal && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
5259 { ! enabled cross_compile && {
5260 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;
5261 add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;
5262 check_lib interface/mmal/mmal.h mmal_port_connect ; }
5263 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||
5264 die "ERROR: mmal not found"; }
5265 enabled nvenc && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&
5266 { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" ||
5267 die "ERROR: NVENC API version 4 or older is not supported"; } &&
5268 { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }
5269 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
5270 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
5271 die "ERROR: openal not found"; } &&
5272 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
5273 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
5274 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
5275 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
5276 die "ERROR: opencl not found"; } &&
5277 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
5278 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
5279 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
5280 enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||
5281 check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
5282 check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
5283 check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
5284 die "ERROR: opengl not found."
5286 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
5287 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
5288 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
5289 die "ERROR: openssl not found"; }
5290 enabled qtkit_indev && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; }
5292 if enabled gnutls; then
5293 { check_lib2 gmp.h mpz_export -lgmp && enable gmp; } ||
5294 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
5298 if enabled libdc1394; then
5299 { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&
5300 enable libdc1394_2; } ||
5301 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
5302 enable libdc1394_1; } ||
5303 die "ERROR: No version of libdc1394 found "
5305 if ! disabled sdl; then
5306 SDL_CONFIG="${cross_prefix}sdl-config"
5307 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
5308 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5309 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5312 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5313 sdl_cflags=$("${SDL_CONFIG}" --cflags)
5314 sdl_libs=$("${SDL_CONFIG}" --libs)
5315 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
5316 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5317 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5319 elif enabled sdl ; then
5320 die "ERROR: SDL not found"
5326 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
5328 disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5329 check_lib2 "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5330 enable securetransport; }
5332 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
5334 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
5335 && enable makeinfo_html || disable makeinfo_html
5336 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
5337 perl -v > /dev/null 2>&1 && enable perl || disable perl
5338 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
5339 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
5341 check_header linux/fb.h
5342 check_header linux/videodev.h
5343 check_header linux/videodev2.h
5344 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5346 check_header sys/videoio.h
5347 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5349 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
5350 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
5351 # w32api 3.12 had it defined wrong
5352 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
5354 check_type "dshow.h" IBaseFilter
5356 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
5357 { check_header dev/bktr/ioctl_meteor.h &&
5358 check_header dev/bktr/ioctl_bt848.h; } ||
5359 { check_header machine/ioctl_meteor.h &&
5360 check_header machine/ioctl_bt848.h; } ||
5361 { check_header dev/video/meteor/ioctl_meteor.h &&
5362 check_header dev/video/bktr/ioctl_bt848.h; } ||
5363 check_header dev/ic/bt8xx.h
5365 check_header sndio.h
5366 if check_struct sys/soundcard.h audio_buf_info bytes; then
5367 enable_safe sys/soundcard.h
5369 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
5370 #include <sys/soundcard.h>
5374 check_header soundcard.h
5376 enabled_any alsa_indev alsa_outdev &&
5377 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
5379 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
5380 check_func jack_port_get_latency_range -ljack
5382 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
5384 if enabled libcdio; then
5385 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5386 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5387 die "ERROR: No usable libcdio/cdparanoia found"
5391 check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib
5393 if ! disabled libxcb; then
5394 check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {
5395 enabled libxcb && die "ERROR: libxcb >= 1.4 not found";
5396 } && disable x11grab && enable libxcb
5398 if enabled libxcb; then
5399 disabled libxcb_shm || {
5400 check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {
5401 enabled libxcb_shm && die "ERROR: libxcb_shm not found";
5402 } && check_header sys/shm.h && enable libxcb_shm; }
5404 disabled libxcb_xfixes || {
5405 check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {
5406 enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";
5407 } && enable libxcb_xfixes; }
5409 disabled libxcb_shape || {
5410 check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {
5411 enabled libxcb_shape && die "ERROR: libxcb_shape not found";
5412 } && enable libxcb_shape; }
5414 add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags
5415 add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs
5419 if enabled x11grab; then
5420 enabled xlib || die "ERROR: Xlib not found"
5421 require Xext X11/extensions/XShm.h XShmCreateImage -lXext
5422 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
5425 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
5427 enabled dxva2api_h &&
5428 check_cc <<EOF && enable dxva2api_cobj
5429 #define _WIN32_WINNT 0x0600
5431 #include <windows.h>
5433 #include <dxva2api.h>
5434 int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }
5438 check_lib va/va.h vaInitialize -lva ||
5441 enabled vaapi && enabled xlib &&
5442 check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&
5446 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
5449 enabled vdpau && enabled xlib &&
5450 check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
5451 prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&
5454 # Funny iconv installations are not unusual, so check it after all flags have been set
5455 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
5457 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
5459 # add some useful compiler flags if supported
5460 check_cflags -Wdeclaration-after-statement
5462 check_cflags -Wdisabled-optimization
5463 check_cflags -Wpointer-arith
5464 check_cflags -Wredundant-decls
5465 check_cflags -Wwrite-strings
5466 check_cflags -Wtype-limits
5467 check_cflags -Wundef
5468 check_cflags -Wmissing-prototypes
5469 check_cflags -Wno-pointer-to-int-cast
5470 check_cflags -Wstrict-prototypes
5471 check_cflags -Wempty-body
5472 enabled extra_warnings && check_cflags -Winline
5474 check_disable_warning(){
5475 warning_flag=-W${1#-Wno-}
5476 test_cflags $warning_flag && add_cflags $1
5479 check_disable_warning -Wno-parentheses
5480 check_disable_warning -Wno-switch
5481 check_disable_warning -Wno-format-zero-length
5482 check_disable_warning -Wno-pointer-sign
5484 # add some linker flags
5485 check_ldflags -Wl,--warn-common
5486 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
5487 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir
5488 enabled rpath && add_ldlibflags -Wl,-rpath,$libdir
5489 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
5491 # add some strip flags
5492 # -wN '..@*' is more selective than -x, but not available everywhere.
5493 check_stripflags -wN \'..@*\' || check_stripflags -x
5495 enabled neon_clobber_test &&
5496 check_ldflags -Wl,--wrap,avcodec_open2 \
5497 -Wl,--wrap,avcodec_decode_audio4 \
5498 -Wl,--wrap,avcodec_decode_video2 \
5499 -Wl,--wrap,avcodec_decode_subtitle2 \
5500 -Wl,--wrap,avcodec_encode_audio2 \
5501 -Wl,--wrap,avcodec_encode_video2 \
5502 -Wl,--wrap,avcodec_encode_subtitle \
5503 -Wl,--wrap,swr_convert \
5504 -Wl,--wrap,avresample_convert ||
5505 disable neon_clobber_test
5507 enabled xmm_clobber_test &&
5508 check_ldflags -Wl,--wrap,avcodec_open2 \
5509 -Wl,--wrap,avcodec_decode_audio4 \
5510 -Wl,--wrap,avcodec_decode_video2 \
5511 -Wl,--wrap,avcodec_decode_subtitle2 \
5512 -Wl,--wrap,avcodec_encode_audio2 \
5513 -Wl,--wrap,avcodec_encode_video \
5514 -Wl,--wrap,avcodec_encode_video2 \
5515 -Wl,--wrap,avcodec_encode_subtitle \
5516 -Wl,--wrap,swr_convert \
5517 -Wl,--wrap,avresample_convert \
5518 -Wl,--wrap,sws_scale ||
5519 disable xmm_clobber_test
5522 if test_ldflags -Wl,--version-script,$TMPV; then
5523 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
5524 check_cc <<EOF && enable symver_asm_label
5525 void ff_foo(void) __asm__ ("av_foo@VERSION");
5526 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
5528 check_cc <<EOF && enable symver_gnu_asm
5529 __asm__(".symver ff_foo,av_foo@VERSION");
5530 void ff_foo(void) {}
5534 if [ -z "$optflags" ]; then
5535 if enabled small; then
5536 optflags=$cflags_size
5537 elif enabled optimizations; then
5538 optflags=$cflags_speed
5540 optflags=$cflags_noopt
5546 enabled lto && check_ldflags "$@"
5550 if enabled lto; then
5551 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
5553 check_ldflags -flto $cpuflags
5554 disable inline_asm_direct_symbol_refs
5557 check_optflags $optflags
5558 check_optflags -fno-math-errno
5559 check_optflags -fno-signed-zeros
5561 enabled ftrapv && check_cflags -ftrapv
5563 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
5568 if enabled icc; then
5569 # Just warnings, no remarks
5571 # -wd: Disable following warnings
5572 # 144, 167, 556: -Wno-pointer-sign
5573 # 188: enumerated type mixed with another type
5574 # 1292: attribute "foo" ignored
5575 # 1419: external declaration in primary source file
5576 # 10006: ignoring unknown option -fno-signed-zeros
5577 # 10148: ignoring unknown option -Wno-parentheses
5578 # 10156: ignoring option '-W'; no argument required
5579 # 13200: No EMMS instruction before call to function
5580 # 13203: No EMMS instruction before return from function
5581 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
5582 # 11030: Warning unknown option --as-needed
5583 # 10156: ignoring option '-export'; no argument required
5584 check_ldflags -wd10156,11030
5585 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
5586 enable ebp_available
5587 # The test above does not test linking
5588 enabled lto && disable symver_asm_label
5589 if enabled x86_32; then
5590 icc_version=$($cc -dumpversion)
5591 test ${icc_version%%.*} -ge 11 &&
5592 check_cflags -falign-stack=maintain-16-byte ||
5593 disable aligned_stack
5595 elif enabled ccc; then
5596 # disable some annoying warnings
5597 add_cflags -msg_disable bitnotint
5598 add_cflags -msg_disable mixfuncvoid
5599 add_cflags -msg_disable nonstandcast
5600 add_cflags -msg_disable unsupieee
5601 elif enabled gcc; then
5602 check_optflags -fno-tree-vectorize
5603 check_cflags -Werror=format-security
5604 check_cflags -Werror=implicit-function-declaration
5605 check_cflags -Werror=missing-prototypes
5606 check_cflags -Werror=return-type
5607 check_cflags -Werror=vla
5608 check_cflags -Wformat
5609 check_cflags -fdiagnostics-color=auto
5610 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
5611 elif enabled llvm_gcc; then
5612 check_cflags -mllvm -stack-alignment=16
5613 elif enabled clang; then
5614 check_cflags -mllvm -stack-alignment=16
5615 check_cflags -Qunused-arguments
5616 check_cflags -Werror=implicit-function-declaration
5617 check_cflags -Werror=missing-prototypes
5618 check_cflags -Werror=return-type
5619 elif enabled cparser; then
5620 add_cflags -Wno-missing-variable-declarations
5621 add_cflags -Wno-empty-statement
5622 elif enabled armcc; then
5623 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
5624 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
5625 # 2523: use of inline assembly is deprecated
5626 add_cflags -W${armcc_opt},--diag_suppress=2523
5627 add_cflags -W${armcc_opt},--diag_suppress=1207
5628 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
5629 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
5630 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
5631 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
5632 elif enabled tms470; then
5633 add_cflags -pds=824 -pds=837
5635 elif enabled pathscale; then
5636 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
5637 elif enabled_any msvc icl; then
5638 enabled x86_32 && disable aligned_stack
5639 enabled_all x86_32 debug && add_cflags -Oy-
5640 enabled debug && add_ldflags -debug
5641 enable pragma_deprecated
5642 if enabled icl; then
5643 # -Qansi-alias is basically -fstrict-aliasing, but does not work
5644 # (correctly) on icl 13.x.
5645 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
5646 add_cflags -Qansi-alias
5647 # Some inline asm is not compilable in debug
5648 if enabled debug; then
5649 disable ebp_available
5650 disable ebx_available
5653 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
5654 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
5659 add_asflags -Qunused-arguments
5665 check_ldflags -Qunused-arguments
5671 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
5674 add_cppflags -Dmain=plan9_main
5678 enable frame_thread_encoder
5680 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
5682 check_deps $CONFIG_LIST \
5687 enabled threads && ! enabled pthreads && ! enabled atomics_native && die "non pthread threading without atomics not supported, try adding --enable-pthreads or --cpu=i486 or higher if you are on x86"
5690 if test $target_os = "haiku"; then
5692 disable posix_memalign
5695 enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&
5696 prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&
5699 ! enabled_any memalign posix_memalign aligned_malloc &&
5700 enabled simd_align_16 && enable memalign_hack
5703 # -> enable ${lib}_deps_${dep}
5704 # -> add $dep to ${lib}_deps only once
5708 enabled "${lib}_deps_${dep}" && return 0
5709 enable "${lib}_deps_${dep}"
5710 prepend "${lib}_deps" $dep
5713 # merge deps lib components
5714 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
5719 enabled $comp || continue
5720 eval "dep=\"\$${comp}_deps\""
5727 merge_deps libavfilter $FILTER_LIST
5729 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
5731 for thread in $THREADS_LIST; do
5732 if enabled $thread; then
5733 test -n "$thread_type" &&
5734 die "ERROR: Only one thread type must be selected." ||
5735 thread_type="$thread"
5739 enabled zlib && add_cppflags -DZLIB_CONST
5741 # conditional library dependencies, in linking order
5742 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
5743 enabled aresample_filter && prepend avfilter_deps "swresample"
5744 enabled asyncts_filter && prepend avfilter_deps "avresample"
5745 enabled atempo_filter && prepend avfilter_deps "avcodec"
5746 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
5747 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
5748 enabled elbg_filter && prepend avfilter_deps "avcodec"
5749 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
5750 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
5751 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
5752 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
5753 enabled pan_filter && prepend avfilter_deps "swresample"
5754 enabled pp_filter && prepend avfilter_deps "postproc"
5755 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
5756 enabled resample_filter && prepend avfilter_deps "avresample"
5757 enabled sab_filter && prepend avfilter_deps "swscale"
5758 enabled scale_filter && prepend avfilter_deps "swscale"
5759 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
5760 enabled smartblur_filter && prepend avfilter_deps "swscale"
5761 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
5762 enabled uspp_filter && prepend avfilter_deps "avcodec"
5764 enabled lavfi_indev && prepend avdevice_deps "avfilter"
5766 enabled opus_decoder && prepend avcodec_deps "swresample"
5770 eval "deps=\$$lib_deps"
5771 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
5775 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
5776 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
5778 map 'expand_deps $v' $LIBRARY_LIST
5780 echo "install prefix $prefix"
5781 echo "source path $source_path"
5782 echo "C compiler $cc"
5783 echo "C library $libc_type"
5784 if test "$host_cc" != "$cc"; then
5785 echo "host C compiler $host_cc"
5786 echo "host C library $host_libc_type"
5788 echo "ARCH $arch ($cpu)"
5789 if test "$build_suffix" != ""; then
5790 echo "build suffix $build_suffix"
5792 if test "$progs_suffix" != ""; then
5793 echo "progs suffix $progs_suffix"
5795 if test "$extra_version" != ""; then
5796 echo "version string suffix $extra_version"
5798 echo "big-endian ${bigendian-no}"
5799 echo "runtime cpu detection ${runtime_cpudetect-no}"
5800 if enabled x86; then
5801 echo "${yasmexe} ${yasm-no}"
5802 echo "MMX enabled ${mmx-no}"
5803 echo "MMXEXT enabled ${mmxext-no}"
5804 echo "3DNow! enabled ${amd3dnow-no}"
5805 echo "3DNow! extended enabled ${amd3dnowext-no}"
5806 echo "SSE enabled ${sse-no}"
5807 echo "SSSE3 enabled ${ssse3-no}"
5808 echo "AVX enabled ${avx-no}"
5809 echo "XOP enabled ${xop-no}"
5810 echo "FMA3 enabled ${fma3-no}"
5811 echo "FMA4 enabled ${fma4-no}"
5812 echo "i686 features enabled ${i686-no}"
5813 echo "CMOV is fast ${fast_cmov-no}"
5814 echo "EBX available ${ebx_available-no}"
5815 echo "EBP available ${ebp_available-no}"
5817 if enabled aarch64; then
5818 echo "NEON enabled ${neon-no}"
5819 echo "VFP enabled ${vfp-no}"
5821 if enabled arm; then
5822 echo "ARMv5TE enabled ${armv5te-no}"
5823 echo "ARMv6 enabled ${armv6-no}"
5824 echo "ARMv6T2 enabled ${armv6t2-no}"
5825 echo "VFP enabled ${vfp-no}"
5826 echo "NEON enabled ${neon-no}"
5827 echo "THUMB enabled ${thumb-no}"
5829 if enabled mips; then
5830 echo "MIPS FPU enabled ${mipsfpu-no}"
5831 echo "MIPS32R5 enabled ${mips32r5-no}"
5832 echo "MIPS64R6 enabled ${mips64r6-no}"
5833 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
5834 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
5835 echo "MIPS MSA enabled ${msa-no}"
5836 echo "LOONGSON MMI enabled ${mmi-no}"
5838 if enabled ppc; then
5839 echo "AltiVec enabled ${altivec-no}"
5840 echo "VSX enabled ${vsx-no}"
5841 echo "POWER8 enabled ${power8-no}"
5842 echo "PPC 4xx optimizations ${ppc4xx-no}"
5843 echo "dcbzl available ${dcbzl-no}"
5845 echo "debug symbols ${debug-no}"
5846 echo "strip symbols ${stripping-no}"
5847 echo "optimize for size ${small-no}"
5848 echo "optimizations ${optimizations-no}"
5849 echo "static ${static-no}"
5850 echo "shared ${shared-no}"
5851 echo "postprocessing support ${postproc-no}"
5852 echo "new filter support ${avfilter-no}"
5853 echo "network support ${network-no}"
5854 echo "threading support ${thread_type-no}"
5855 echo "safe bitstream reader ${safe_bitstream_reader-no}"
5856 echo "SDL support ${sdl-no}"
5857 echo "opencl enabled ${opencl-no}"
5858 echo "texi2html enabled ${texi2html-no}"
5859 echo "perl enabled ${perl-no}"
5860 echo "pod2man enabled ${pod2man-no}"
5861 echo "makeinfo enabled ${makeinfo-no}"
5862 echo "makeinfo supports HTML ${makeinfo_html-no}"
5863 test -n "$random_seed" &&
5864 echo "random seed ${random_seed}"
5867 echo "External libraries:"
5868 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
5871 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
5872 echo "Enabled ${type}s:"
5873 eval list=\$$(toupper $type)_LIST
5874 print_enabled '_*' $list | print_3_columns
5878 license="LGPL version 2.1 or later"
5879 if enabled nonfree; then
5880 license="nonfree and unredistributable"
5881 elif enabled gplv3; then
5882 license="GPL version 3 or later"
5883 elif enabled lgplv3; then
5884 license="LGPL version 3 or later"
5885 elif enabled gpl; then
5886 license="GPL version 2 or later"
5889 echo "License: $license"
5891 echo "Creating config.mak, config.h, and doc/config.texi..."
5893 test -e Makefile || echo "include $source_path/Makefile" > Makefile
5895 enabled stripping || strip="echo skipping strip"
5897 config_files="$TMPH config.mak doc/config.texi"
5899 cat > config.mak <<EOF
5900 # Automatically generated by configure - do not modify!
5901 ifndef FFMPEG_CONFIG_MAK
5903 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
5905 LIBDIR=\$(DESTDIR)$libdir
5906 SHLIBDIR=\$(DESTDIR)$shlibdir
5907 INCDIR=\$(DESTDIR)$incdir
5908 BINDIR=\$(DESTDIR)$bindir
5909 DATADIR=\$(DESTDIR)$datadir
5910 DOCDIR=\$(DESTDIR)$docdir
5911 MANDIR=\$(DESTDIR)$mandir
5912 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
5913 SRC_PATH=$source_path
5914 ifndef MAIN_MAKEFILE
5915 SRC_PATH:=\$(SRC_PATH:.%=..%)
5919 INTRINSICS=$intrinsics
5925 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
5927 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
5956 LDEXEFLAGS=$LDEXEFLAGS
5957 LDLIBFLAGS=$LDLIBFLAGS
5958 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
5959 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
5960 YASMFLAGS=$YASMFLAGS
5961 BUILDSUF=$build_suffix
5962 PROGSSUF=$progs_suffix
5970 EXTRA_VERSION=$extra_version
5973 CCDEP_FLAGS=$CCDEP_FLAGS
5975 ASDEP_FLAGS=$ASDEP_FLAGS
5976 CC_DEPFLAGS=$CC_DEPFLAGS
5977 AS_DEPFLAGS=$AS_DEPFLAGS
5980 HOSTCFLAGS=$host_cflags
5981 HOSTCPPFLAGS=$host_cppflags
5982 HOSTEXESUF=$HOSTEXESUF
5983 HOSTLDFLAGS=$host_ldflags
5986 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
5987 HOSTCCDEP=$HOSTCCDEP
5988 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
5989 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
5993 TARGET_EXEC=$target_exec $target_exec_args
5994 TARGET_PATH=$target_path
5995 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
5996 CFLAGS-ffplay=$sdl_cflags
5997 ZLIB=$($ldflags_filter -lz)
5998 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
5999 EXTRALIBS=$extralibs
6000 COMPAT_OBJS=$compat_objs
6003 LIBTARGET=${LIBTARGET}
6004 SLIBNAME=${SLIBNAME}
6005 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
6006 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
6007 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
6008 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
6009 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
6010 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
6011 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
6012 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
6013 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
6014 NOREDZONE_FLAGS=$noredzone_flags
6019 name=$(toupper $lcname)
6020 file=$source_path/$lcname/version.h
6021 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
6022 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
6023 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
6024 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
6025 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
6026 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
6029 map 'get_version $v' $LIBRARY_LIST
6031 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST
6033 print_program_libs(){
6034 eval "program_libs=\$${1}_libs"
6035 eval echo "LIBS-${1}=${program_libs}" >> config.mak
6038 map 'print_program_libs $v' $PROGRAM_LIST
6041 /* Automatically generated by configure - do not modify! */
6042 #ifndef FFMPEG_CONFIG_H
6043 #define FFMPEG_CONFIG_H
6044 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
6045 #define FFMPEG_LICENSE "$(c_escape $license)"
6046 #define CONFIG_THIS_YEAR 2015
6047 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
6048 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
6049 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
6050 #define av_restrict $_restrict
6051 #define EXTERN_PREFIX "${extern_prefix}"
6052 #define EXTERN_ASM ${extern_prefix}
6053 #define BUILDSUF "$build_suffix"
6054 #define SLIBSUF "$SLIBSUF"
6055 #define HAVE_MMX2 HAVE_MMXEXT
6056 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
6059 test -n "$assert_level" &&
6060 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
6062 test -n "$malloc_prefix" &&
6063 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
6065 if enabled yasm; then
6066 append config_files $TMPASM
6070 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
6076 echo "@c auto-generated by configure" > doc/config.texi
6078 print_config ARCH_ "$config_files" $ARCH_LIST
6079 print_config HAVE_ "$config_files" $HAVE_LIST
6080 print_config CONFIG_ "$config_files" $CONFIG_LIST \
6084 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
6085 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
6087 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
6088 cp_if_changed $TMPH config.h
6091 enabled yasm && cp_if_changed $TMPASM config.asm
6094 /* Generated by ffconf */
6095 #ifndef AVUTIL_AVCONFIG_H
6096 #define AVUTIL_AVCONFIG_H
6099 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
6101 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
6103 cp_if_changed $TMPH libavutil/avconfig.h
6105 if test -n "$WARNINGS"; then
6106 printf "\n$WARNINGS"
6107 enabled fatal_warnings && exit 1
6110 # build pkg-config files
6113 eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""
6116 pkgconfig_generate(){
6118 shortname=${name#lib}${build_suffix}
6122 requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))
6123 requires=${requires%, }
6124 enabled ${name#lib} || return 0
6126 cat <<EOF > $name/$name${build_suffix}.pc
6128 exec_prefix=\${prefix}
6133 Description: $comment
6135 Requires: $(enabled shared || echo $requires)
6136 Requires.private: $(enabled shared && echo $requires)
6138 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
6139 Libs.private: $(enabled shared && echo $libs)
6140 Cflags: -I\${includedir}
6143 mkdir -p doc/examples/pc-uninstalled
6144 includedir=${source_path}
6145 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
6146 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
6149 libdir=\${pcfiledir}/../../../$name
6150 includedir=${includedir}
6153 Description: $comment
6157 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
6158 Cflags: -I\${includedir}
6162 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBRT $LIBM"
6163 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs"
6164 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs"
6165 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs"
6166 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
6167 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" ""
6168 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$LIBM"
6169 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM"
6170 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM"