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
1773 GetProcessAffinityMask
1774 GetProcessMemoryInfo
1778 GetSystemTimeAsFileTime
1785 jack_port_get_latency_range
1800 SetConsoleTextAttribute
1801 SetConsoleCtrlHandler
1813 TOOLCHAIN_FEATURES="
1826 inline_asm_nonlocal_labels
1827 inline_asm_direct_symbol_refs
1838 CONDITION_VARIABLE_Ptr
1841 struct_dcadec_exss_info_matrix_encoding
1842 struct_group_source_req
1843 struct_ip_mreq_source
1846 struct_rusage_ru_maxrss
1847 struct_sctp_event_subscribe
1849 struct_sockaddr_sa_len
1850 struct_sockaddr_storage
1851 struct_stat_st_mtim_tv_nsec
1852 struct_v4l2_frmivalenum_discrete
1857 $(add_suffix _external $ARCH_EXT_LIST)
1858 $(add_suffix _inline $ARCH_EXT_LIST)
1891 # options emitted with CONFIG_ prefix but not available on the command line
1907 frame_thread_encoder
2047 # code dependency declarations
2049 # architecture extensions
2054 armv8_deps="aarch64"
2055 neon_deps_any="aarch64 arm"
2056 intrinsics_neon_deps="neon"
2057 vfp_deps_any="aarch64 arm"
2061 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2064 mipsdspr1_deps="mips"
2065 mipsdspr2_deps="mips"
2066 mips32r2_deps="mips"
2067 mips32r5_deps="mips"
2068 mips64r6_deps="mips"
2080 x86_64_select="i686"
2081 x86_64_suggest="fast_cmov"
2084 amd3dnowext_deps="amd3dnow"
2100 mmx_external_deps="yasm"
2101 mmx_inline_deps="inline_asm"
2102 mmx_suggest="mmx_external mmx_inline"
2104 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2105 eval dep=\$${ext}_deps
2106 eval ${ext}_external_deps='"${dep}_external"'
2107 eval ${ext}_inline_deps='"${dep}_inline"'
2108 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2111 aligned_stack_if_any="aarch64 ppc x86"
2112 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2113 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2114 fast_unaligned_if_any="aarch64 ppc x86"
2115 simd_align_16_if_any="altivec neon sse"
2117 # system capabilities
2118 symver_if_any="symver_asm_label symver_gnu_asm"
2119 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
2122 atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"
2123 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2124 atomics_win32_if="MemoryBarrier"
2125 atomics_native_if_any="$ATOMICS_LIST"
2126 w32threads_deps="atomics_native"
2127 threads_if_any="$THREADS_LIST"
2131 error_resilience_select="me_cmp"
2132 faandct_deps="faan fdctdsp"
2133 faanidct_deps="faan idctdsp"
2134 frame_thread_encoder_deps="encoders threads"
2135 intrax8_select="error_resilience"
2138 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2139 mpeg_er_select="error_resilience"
2140 mpegaudio_select="mpegaudiodsp"
2141 mpegaudiodsp_select="dct"
2142 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp videodsp"
2143 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2147 # decoders / encoders
2148 aac_decoder_select="imdct15 mdct sinewin"
2149 aac_fixed_decoder_select="mdct sinewin"
2150 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
2151 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2152 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2153 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2154 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2155 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2156 adpcm_g722_decoder_select="g722dsp"
2157 adpcm_g722_encoder_select="g722dsp"
2158 aic_decoder_select="golomb idctdsp"
2159 alac_encoder_select="lpc"
2160 als_decoder_select="bswapdsp"
2161 amrnb_decoder_select="lsp"
2162 amrwb_decoder_select="lsp"
2163 amv_decoder_select="sp5x_decoder exif"
2164 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2165 ape_decoder_select="bswapdsp llauddsp"
2166 apng_decoder_select="zlib"
2167 apng_encoder_select="huffyuvencdsp zlib"
2168 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2169 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2170 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2171 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2172 atrac1_decoder_select="mdct sinewin"
2173 atrac3_decoder_select="mdct"
2174 atrac3p_decoder_select="mdct sinewin"
2175 avrn_decoder_select="exif jpegtables"
2176 bink_decoder_select="blockdsp hpeldsp"
2177 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2178 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2179 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2180 cllc_decoder_select="bswapdsp"
2181 comfortnoise_encoder_select="lpc"
2182 cook_decoder_select="audiodsp mdct sinewin"
2183 cscd_decoder_select="lzo"
2184 cscd_decoder_suggest="zlib"
2185 dca_decoder_select="fmtconvert mdct"
2186 dds_decoder_select="texturedsp"
2187 dirac_decoder_select="dwt golomb videodsp mpegvideoenc"
2188 dnxhd_decoder_select="blockdsp idctdsp"
2189 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2190 dvvideo_decoder_select="dvprofile idctdsp"
2191 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2192 dxa_decoder_select="zlib"
2193 eac3_decoder_select="ac3_decoder"
2194 eac3_encoder_select="ac3_encoder"
2195 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2196 eatgq_decoder_select="aandcttables"
2197 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
2198 exr_decoder_select="zlib"
2199 ffv1_decoder_select="golomb rangecoder"
2200 ffv1_encoder_select="rangecoder"
2201 ffvhuff_decoder_select="huffyuv_decoder"
2202 ffvhuff_encoder_select="huffyuv_encoder"
2203 fic_decoder_select="golomb"
2204 flac_decoder_select="flacdsp golomb"
2205 flac_encoder_select="bswapdsp flacdsp golomb lpc"
2206 flashsv_decoder_select="zlib"
2207 flashsv_encoder_select="zlib"
2208 flashsv2_encoder_select="zlib"
2209 flashsv2_decoder_select="zlib"
2210 flv_decoder_select="h263_decoder"
2211 flv_encoder_select="h263_encoder"
2212 fourxm_decoder_select="blockdsp bswapdsp"
2213 fraps_decoder_select="bswapdsp huffman"
2214 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2215 g729_decoder_select="audiodsp"
2216 h261_decoder_select="mpeg_er mpegvideo"
2217 h261_encoder_select="aandcttables mpegvideoenc"
2218 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
2219 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2220 h263i_decoder_select="h263_decoder"
2221 h263p_decoder_select="h263_decoder"
2222 h263p_encoder_select="h263_encoder"
2223 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
2224 h264_decoder_suggest="error_resilience"
2225 h264_qsv_decoder_deps="libmfx"
2226 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2227 h264_qsv_encoder_deps="libmfx"
2228 h264_qsv_encoder_select="qsvenc"
2229 hap_decoder_select="snappy texturedsp"
2230 hap_encoder_deps="libsnappy"
2231 hap_encoder_select="texturedspenc"
2232 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2233 hevc_qsv_encoder_deps="libmfx"
2234 hevc_qsv_encoder_select="qsvenc"
2235 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2236 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
2237 iac_decoder_select="imc_decoder"
2238 imc_decoder_select="bswapdsp fft mdct sinewin"
2239 indeo3_decoder_select="hpeldsp"
2240 indeo4_decoder_select="ividsp"
2241 indeo5_decoder_select="ividsp"
2242 interplay_video_decoder_select="hpeldsp"
2243 jpegls_decoder_select="golomb mjpeg_decoder"
2244 jpegls_encoder_select="golomb"
2245 jv_decoder_select="blockdsp"
2246 lagarith_decoder_select="huffyuvdsp"
2247 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2248 loco_decoder_select="golomb"
2249 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2250 metasound_decoder_select="lsp mdct sinewin"
2251 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2252 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2253 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2254 mjpegb_decoder_select="mjpeg_decoder"
2255 mlp_decoder_select="mlp_parser"
2256 motionpixels_decoder_select="bswapdsp"
2257 mp1_decoder_select="mpegaudio"
2258 mp1float_decoder_select="mpegaudio"
2259 mp2_decoder_select="mpegaudio"
2260 mp2float_decoder_select="mpegaudio"
2261 mp3_decoder_select="mpegaudio"
2262 mp3adu_decoder_select="mpegaudio"
2263 mp3adufloat_decoder_select="mpegaudio"
2264 mp3float_decoder_select="mpegaudio"
2265 mp3on4_decoder_select="mpegaudio"
2266 mp3on4float_decoder_select="mpegaudio"
2267 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2268 mpc8_decoder_select="mpegaudiodsp"
2269 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2270 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2271 mpegvideo_decoder_select="error_resilience mpeg_er mpegvideo"
2272 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2273 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2274 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2275 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2276 mpeg2_qsv_encoder_deps="libmfx"
2277 mpeg2_qsv_encoder_select="qsvenc"
2278 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2279 mpeg4_encoder_select="h263_encoder"
2280 msa1_decoder_select="mss34dsp"
2281 msmpeg4v1_decoder_select="h263_decoder"
2282 msmpeg4v2_decoder_select="h263_decoder"
2283 msmpeg4v2_encoder_select="h263_encoder"
2284 msmpeg4v3_decoder_select="h263_decoder"
2285 msmpeg4v3_encoder_select="h263_encoder"
2286 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
2287 mts2_decoder_select="mss34dsp"
2288 mxpeg_decoder_select="mjpeg_decoder"
2289 nellymoser_decoder_select="mdct sinewin"
2290 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2291 nuv_decoder_select="idctdsp lzo"
2292 on2avc_decoder_select="mdct"
2293 opus_decoder_deps="swresample"
2294 opus_decoder_select="imdct15"
2295 png_decoder_select="zlib"
2296 png_encoder_select="huffyuvencdsp zlib"
2297 prores_decoder_select="blockdsp idctdsp"
2298 prores_encoder_select="fdctdsp"
2299 qcelp_decoder_select="lsp"
2300 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2301 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2302 ra_144_decoder_select="audiodsp"
2303 ralf_decoder_select="golomb"
2304 rawvideo_decoder_select="bswapdsp"
2305 rtjpeg_decoder_select="me_cmp"
2306 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2307 rv10_encoder_select="h263_encoder"
2308 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2309 rv20_encoder_select="h263_encoder"
2310 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2311 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2312 shorten_decoder_select="golomb"
2313 sipr_decoder_select="lsp"
2314 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2315 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2316 sonic_decoder_select="golomb rangecoder"
2317 sonic_encoder_select="golomb rangecoder"
2318 sonic_ls_encoder_select="golomb rangecoder"
2319 sp5x_decoder_select="mjpeg_decoder"
2320 svq1_decoder_select="hpeldsp"
2321 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2322 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2323 svq3_decoder_suggest="zlib"
2324 tak_decoder_select="audiodsp"
2325 tdsc_decoder_select="zlib mjpeg_decoder"
2326 theora_decoder_select="vp3_decoder"
2327 thp_decoder_select="mjpeg_decoder"
2328 tiff_decoder_suggest="zlib lzma"
2329 tiff_encoder_suggest="zlib"
2330 truehd_decoder_select="mlp_parser"
2331 truemotion2_decoder_select="bswapdsp"
2332 truespeech_decoder_select="bswapdsp"
2333 tscc_decoder_select="zlib"
2334 twinvq_decoder_select="mdct lsp sinewin"
2335 txd_decoder_select="texturedsp"
2336 utvideo_decoder_select="bswapdsp"
2337 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2338 vble_decoder_select="huffyuvdsp"
2339 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
2340 vc1image_decoder_select="vc1_decoder"
2341 vorbis_decoder_select="mdct"
2342 vorbis_encoder_select="mdct"
2343 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2344 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2345 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2346 vp6a_decoder_select="vp6_decoder"
2347 vp6f_decoder_select="vp6_decoder"
2348 vp7_decoder_select="h264pred videodsp vp8dsp"
2349 vp8_decoder_select="h264pred videodsp vp8dsp"
2350 vp9_decoder_select="videodsp vp9_parser"
2351 webp_decoder_select="vp8_decoder"
2352 wmalossless_decoder_select="llauddsp"
2353 wmapro_decoder_select="mdct sinewin wma_freqs"
2354 wmav1_decoder_select="mdct sinewin wma_freqs"
2355 wmav1_encoder_select="mdct sinewin wma_freqs"
2356 wmav2_decoder_select="mdct sinewin wma_freqs"
2357 wmav2_encoder_select="mdct sinewin wma_freqs"
2358 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2359 wmv1_decoder_select="h263_decoder"
2360 wmv1_encoder_select="h263_encoder"
2361 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2362 wmv2_encoder_select="h263_encoder wmv2dsp"
2363 wmv3_decoder_select="vc1_decoder"
2364 wmv3image_decoder_select="wmv3_decoder"
2365 zerocodec_decoder_select="zlib"
2366 zlib_decoder_select="zlib"
2367 zlib_encoder_select="zlib"
2368 zmbv_decoder_select="zlib"
2369 zmbv_encoder_select="zlib"
2371 # hardware accelerators
2372 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2373 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2374 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2375 vaapi_deps="va_va_h"
2376 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2377 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2378 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2379 xvmc_deps="X11_extensions_XvMClib_h"
2381 h263_vaapi_hwaccel_deps="vaapi"
2382 h263_vaapi_hwaccel_select="h263_decoder"
2383 h263_vdpau_hwaccel_deps="vdpau"
2384 h263_vdpau_hwaccel_select="h263_decoder"
2385 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2386 h264_d3d11va_hwaccel_deps="d3d11va"
2387 h264_d3d11va_hwaccel_select="h264_decoder"
2388 h264_dxva2_hwaccel_deps="dxva2"
2389 h264_dxva2_hwaccel_select="h264_decoder"
2390 h264_mmal_decoder_deps="mmal"
2391 h264_mmal_hwaccel_deps="mmal"
2392 h264_mmal_decoder_select="h264_decoder"
2393 h264_mmal_encoder_deps="mmal"
2394 h264_qsv_hwaccel_deps="libmfx"
2395 h264_vaapi_hwaccel_deps="vaapi"
2396 h264_vaapi_hwaccel_select="h264_decoder"
2397 h264_vda_decoder_deps="vda"
2398 h264_vda_decoder_select="h264_decoder"
2399 h264_vda_hwaccel_deps="vda"
2400 h264_vda_hwaccel_select="h264_decoder"
2401 h264_vda_old_hwaccel_deps="vda"
2402 h264_vda_old_hwaccel_select="h264_decoder"
2403 h264_vdpau_decoder_deps="vdpau"
2404 h264_vdpau_decoder_select="h264_decoder"
2405 h264_vdpau_hwaccel_deps="vdpau"
2406 h264_vdpau_hwaccel_select="h264_decoder"
2407 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2408 hevc_d3d11va_hwaccel_select="hevc_decoder"
2409 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2410 hevc_dxva2_hwaccel_select="hevc_decoder"
2411 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2412 hevc_vdpau_hwaccel_select="hevc_decoder"
2413 mpeg_vdpau_decoder_deps="vdpau"
2414 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2415 mpeg_xvmc_hwaccel_deps="xvmc"
2416 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2417 mpeg1_vdpau_decoder_deps="vdpau"
2418 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2419 mpeg1_vdpau_hwaccel_deps="vdpau"
2420 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2421 mpeg1_xvmc_hwaccel_deps="xvmc"
2422 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2423 mpeg2_crystalhd_decoder_select="crystalhd"
2424 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2425 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2426 mpeg2_dxva2_hwaccel_deps="dxva2"
2427 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2428 mpeg2_vaapi_hwaccel_deps="vaapi"
2429 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2430 mpeg2_vdpau_hwaccel_deps="vdpau"
2431 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2432 mpeg2_xvmc_hwaccel_deps="xvmc"
2433 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2434 mpeg4_crystalhd_decoder_select="crystalhd"
2435 mpeg4_vaapi_hwaccel_deps="vaapi"
2436 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2437 mpeg4_vdpau_decoder_deps="vdpau"
2438 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2439 mpeg4_vdpau_hwaccel_deps="vdpau"
2440 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2441 msmpeg4_crystalhd_decoder_select="crystalhd"
2442 vc1_crystalhd_decoder_select="crystalhd"
2443 vc1_d3d11va_hwaccel_deps="d3d11va"
2444 vc1_d3d11va_hwaccel_select="vc1_decoder"
2445 vc1_dxva2_hwaccel_deps="dxva2"
2446 vc1_dxva2_hwaccel_select="vc1_decoder"
2447 vc1_vaapi_hwaccel_deps="vaapi"
2448 vc1_vaapi_hwaccel_select="vc1_decoder"
2449 vc1_vdpau_decoder_deps="vdpau"
2450 vc1_vdpau_decoder_select="vc1_decoder"
2451 vc1_vdpau_hwaccel_deps="vdpau"
2452 vc1_vdpau_hwaccel_select="vc1_decoder"
2453 wmv3_crystalhd_decoder_select="crystalhd"
2454 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2455 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2456 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2457 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2458 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2461 h264_parser_select="h264_decoder"
2462 hevc_parser_select="golomb"
2463 mpegvideo_parser_select="mpegvideo"
2464 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
2465 vc1_parser_select="mpegvideo startcode vc1_decoder"
2468 mjpeg2jpeg_bsf_select="jpegtables"
2470 # external libraries
2471 libaacplus_encoder_deps="libaacplus"
2472 libcelt_decoder_deps="libcelt"
2473 libdcadec_decoder_deps="libdcadec"
2474 libfaac_encoder_deps="libfaac"
2475 libfaac_encoder_select="audio_frame_queue"
2476 libfdk_aac_decoder_deps="libfdk_aac"
2477 libfdk_aac_encoder_deps="libfdk_aac"
2478 libfdk_aac_encoder_select="audio_frame_queue"
2479 libgme_demuxer_deps="libgme"
2480 libgsm_decoder_deps="libgsm"
2481 libgsm_encoder_deps="libgsm"
2482 libgsm_ms_decoder_deps="libgsm"
2483 libgsm_ms_encoder_deps="libgsm"
2484 libilbc_decoder_deps="libilbc"
2485 libilbc_encoder_deps="libilbc"
2486 libkvazaar_encoder_deps="libkvazaar"
2487 libmodplug_demuxer_deps="libmodplug"
2488 libmp3lame_encoder_deps="libmp3lame"
2489 libmp3lame_encoder_select="audio_frame_queue"
2490 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2491 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2492 libopencore_amrnb_encoder_select="audio_frame_queue"
2493 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2494 libopenh264_encoder_deps="libopenh264"
2495 libopenjpeg_decoder_deps="libopenjpeg"
2496 libopenjpeg_encoder_deps="libopenjpeg"
2497 libopus_decoder_deps="libopus"
2498 libopus_encoder_deps="libopus"
2499 libopus_encoder_select="audio_frame_queue"
2500 libquvi_demuxer_deps="libquvi"
2501 libschroedinger_decoder_deps="libschroedinger"
2502 libschroedinger_encoder_deps="libschroedinger"
2503 libshine_encoder_deps="libshine"
2504 libshine_encoder_select="audio_frame_queue"
2505 libspeex_decoder_deps="libspeex"
2506 libspeex_encoder_deps="libspeex"
2507 libspeex_encoder_select="audio_frame_queue"
2508 libstagefright_h264_decoder_deps="libstagefright_h264"
2509 libtheora_encoder_deps="libtheora"
2510 libtwolame_encoder_deps="libtwolame"
2511 libvo_aacenc_encoder_deps="libvo_aacenc"
2512 libvo_aacenc_encoder_select="audio_frame_queue"
2513 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2514 libvorbis_decoder_deps="libvorbis"
2515 libvorbis_encoder_deps="libvorbis"
2516 libvorbis_encoder_select="audio_frame_queue"
2517 libvpx_vp8_decoder_deps="libvpx"
2518 libvpx_vp8_encoder_deps="libvpx"
2519 libvpx_vp9_decoder_deps="libvpx"
2520 libvpx_vp9_encoder_deps="libvpx"
2521 libwavpack_encoder_deps="libwavpack"
2522 libwebp_encoder_deps="libwebp"
2523 libwebp_anim_encoder_deps="libwebp"
2524 libx262_encoder_deps="libx262"
2525 libx264_encoder_deps="libx264"
2526 libx264rgb_encoder_deps="libx264"
2527 libx264rgb_encoder_select="libx264_encoder"
2528 libx265_encoder_deps="libx265"
2529 libxavs_encoder_deps="libxavs"
2530 libxvid_encoder_deps="libxvid"
2531 libutvideo_decoder_deps="libutvideo"
2532 libutvideo_encoder_deps="libutvideo"
2533 libzvbi_teletext_decoder_deps="libzvbi"
2534 nvenc_encoder_deps="nvenc"
2535 nvenc_h264_encoder_deps="nvenc"
2536 nvenc_hevc_encoder_deps="nvenc"
2539 ac3_demuxer_select="ac3_parser"
2540 asf_demuxer_select="riffdec"
2541 asf_o_demuxer_select="riffdec"
2542 asf_muxer_select="riffenc"
2543 asf_stream_muxer_select="asf_muxer"
2544 avi_demuxer_select="riffdec exif"
2545 avi_muxer_select="riffenc"
2546 avisynth_demuxer_deps="avisynth"
2547 avisynth_demuxer_select="riffdec"
2548 caf_demuxer_select="riffdec"
2549 dash_muxer_select="mp4_muxer"
2550 dirac_demuxer_select="dirac_parser"
2551 dts_demuxer_select="dca_parser"
2552 dtshd_demuxer_select="dca_parser"
2553 dv_demuxer_select="dvprofile"
2554 dv_muxer_select="dvprofile"
2555 dxa_demuxer_select="riffdec"
2556 eac3_demuxer_select="ac3_parser"
2557 f4v_muxer_select="mov_muxer"
2558 flac_demuxer_select="flac_parser"
2559 hds_muxer_select="flv_muxer"
2560 hls_muxer_select="mpegts_muxer"
2561 image2_alias_pix_demuxer_select="image2_demuxer"
2562 image2_brender_pix_demuxer_select="image2_demuxer"
2563 ipod_muxer_select="mov_muxer"
2564 ismv_muxer_select="mov_muxer"
2565 libnut_demuxer_deps="libnut"
2566 libnut_muxer_deps="libnut"
2567 matroska_audio_muxer_select="matroska_muxer"
2568 matroska_demuxer_select="riffdec"
2569 matroska_demuxer_suggest="bzlib lzo zlib"
2570 matroska_muxer_select="riffenc"
2571 mmf_muxer_select="riffenc"
2572 mov_demuxer_select="riffdec"
2573 mov_demuxer_suggest="zlib"
2574 mov_muxer_select="riffenc rtpenc_chain"
2575 mp3_demuxer_select="mpegaudio_parser"
2576 mp4_muxer_select="mov_muxer"
2577 mpegts_muxer_select="adts_muxer latm_muxer"
2578 mpegtsraw_demuxer_select="mpegts_demuxer"
2579 mxf_d10_muxer_select="mxf_muxer"
2580 mxf_opatom_muxer_select="mxf_muxer"
2581 nut_muxer_select="riffenc"
2582 nuv_demuxer_select="riffdec"
2583 oga_muxer_select="ogg_muxer"
2584 ogg_demuxer_select="golomb"
2585 opus_muxer_select="ogg_muxer"
2586 psp_muxer_select="mov_muxer"
2587 rtp_demuxer_select="sdp_demuxer"
2588 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2589 rtsp_demuxer_select="http_protocol rtpdec"
2590 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2591 sap_demuxer_select="sdp_demuxer"
2592 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2593 sdp_demuxer_select="rtpdec"
2594 smoothstreaming_muxer_select="ismv_muxer"
2595 spdif_muxer_select="aac_parser"
2596 spx_muxer_select="ogg_muxer"
2597 tak_demuxer_select="tak_parser"
2598 tg2_muxer_select="mov_muxer"
2599 tgp_muxer_select="mov_muxer"
2600 vobsub_demuxer_select="mpegps_demuxer"
2601 w64_demuxer_select="wav_demuxer"
2602 w64_muxer_select="wav_muxer"
2603 wav_demuxer_select="riffdec"
2604 wav_muxer_select="riffenc"
2605 webm_muxer_select="riffenc"
2606 wtv_demuxer_select="riffdec"
2607 wtv_muxer_select="riffenc"
2608 xmv_demuxer_select="riffdec"
2609 xwma_demuxer_select="riffdec"
2612 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2613 alsa_outdev_deps="alsa_asoundlib_h"
2614 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2615 avfoundation_indev_select="avfoundation"
2616 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2617 caca_outdev_deps="libcaca"
2618 decklink_outdev_deps="decklink pthreads"
2619 decklink_outdev_extralibs="-lstdc++"
2620 decklink_indev_deps="decklink pthreads"
2621 decklink_indev_extralibs="-lstdc++"
2622 dshow_indev_deps="IBaseFilter"
2623 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
2624 dv1394_indev_deps="dv1394"
2625 dv1394_indev_select="dv_demuxer"
2626 fbdev_indev_deps="linux_fb_h"
2627 fbdev_outdev_deps="linux_fb_h"
2628 gdigrab_indev_deps="CreateDIBSection"
2629 gdigrab_indev_extralibs="-lgdi32"
2630 gdigrab_indev_select="bmp_decoder"
2631 iec61883_indev_deps="libiec61883"
2632 jack_indev_deps="jack_jack_h sem_timedwait"
2633 lavfi_indev_deps="avfilter"
2634 libcdio_indev_deps="libcdio"
2635 libdc1394_indev_deps="libdc1394"
2636 libv4l2_indev_deps="libv4l2"
2637 openal_indev_deps="openal"
2638 opengl_outdev_deps="opengl"
2639 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2640 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2641 pulse_indev_deps="libpulse"
2642 pulse_outdev_deps="libpulse"
2643 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2644 qtkit_indev_select="qtkit"
2645 sdl_outdev_deps="sdl"
2646 sndio_indev_deps="sndio_h"
2647 sndio_outdev_deps="sndio_h"
2648 v4l_indev_deps="linux_videodev_h"
2649 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2650 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2651 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2652 vfwcap_indev_extralibs="-lavicap32"
2653 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2654 xv_outdev_extralibs="-lXv -lX11 -lXext"
2655 x11grab_indev_deps="x11grab"
2656 x11grab_xcb_indev_deps="libxcb"
2659 async_protocol_deps="pthreads"
2660 bluray_protocol_deps="libbluray"
2661 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2662 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2663 ffrtmpcrypt_protocol_select="tcp_protocol"
2664 ffrtmphttp_protocol_deps="!librtmp_protocol"
2665 ffrtmphttp_protocol_select="http_protocol"
2666 ftp_protocol_select="tcp_protocol"
2667 gopher_protocol_select="network"
2668 http_protocol_select="tcp_protocol"
2669 httpproxy_protocol_select="tcp_protocol"
2670 https_protocol_select="tls_protocol"
2671 icecast_protocol_select="http_protocol"
2672 librtmp_protocol_deps="librtmp"
2673 librtmpe_protocol_deps="librtmp"
2674 librtmps_protocol_deps="librtmp"
2675 librtmpt_protocol_deps="librtmp"
2676 librtmpte_protocol_deps="librtmp"
2677 libsmbclient_protocol_deps="libsmbclient gplv3"
2678 libssh_protocol_deps="libssh"
2679 mmsh_protocol_select="http_protocol"
2680 mmst_protocol_select="network"
2681 rtmp_protocol_deps="!librtmp_protocol"
2682 rtmp_protocol_select="tcp_protocol"
2683 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2684 rtmps_protocol_deps="!librtmp_protocol"
2685 rtmps_protocol_select="tls_protocol"
2686 rtmpt_protocol_select="ffrtmphttp_protocol"
2687 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2688 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2689 rtp_protocol_select="udp_protocol"
2690 sctp_protocol_deps="struct_sctp_event_subscribe"
2691 sctp_protocol_select="network"
2692 srtp_protocol_select="rtp_protocol"
2693 tcp_protocol_select="network"
2694 tls_gnutls_protocol_deps="gnutls !tls_securetransport_protocol"
2695 tls_gnutls_protocol_select="tcp_protocol"
2696 tls_openssl_protocol_deps="openssl !tls_securetransport_protocol !tls_gnutls_protocol"
2697 tls_openssl_protocol_select="tcp_protocol"
2698 tls_securetransport_protocol_deps="securetransport"
2699 tls_securetransport_protocol_select="tcp_protocol"
2700 tls_protocol_deps_any="tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
2701 udp_protocol_select="network"
2702 udplite_protocol_select="network"
2703 unix_protocol_deps="sys_un_h"
2704 unix_protocol_select="network"
2707 amovie_filter_deps="avcodec avformat"
2708 aresample_filter_deps="swresample"
2709 ass_filter_deps="libass"
2710 asyncts_filter_deps="avresample"
2711 atempo_filter_deps="avcodec"
2712 atempo_filter_select="rdft"
2713 azmq_filter_deps="libzmq"
2714 blackframe_filter_deps="gpl"
2715 boxblur_filter_deps="gpl"
2716 bs2b_filter_deps="libbs2b"
2717 colormatrix_filter_deps="gpl"
2718 cover_rect_filter_deps="avcodec avformat gpl"
2719 cropdetect_filter_deps="gpl"
2720 delogo_filter_deps="gpl"
2721 deshake_filter_select="pixelutils"
2722 drawtext_filter_deps="libfreetype"
2723 dynaudnorm_filter_deps="copysign erf"
2724 ebur128_filter_deps="gpl"
2725 eq_filter_deps="gpl"
2726 fftfilt_filter_deps="avcodec"
2727 fftfilt_filter_select="rdft"
2728 flite_filter_deps="libflite"
2729 find_rect_filter_deps="avcodec avformat gpl"
2730 frei0r_filter_deps="frei0r dlopen"
2731 frei0r_src_filter_deps="frei0r dlopen"
2732 fspp_filter_deps="gpl"
2733 geq_filter_deps="gpl"
2734 histeq_filter_deps="gpl"
2735 hqdn3d_filter_deps="gpl"
2736 interlace_filter_deps="gpl"
2737 kerndeint_filter_deps="gpl"
2738 ladspa_filter_deps="ladspa dlopen"
2739 mcdeint_filter_deps="avcodec gpl"
2740 movie_filter_deps="avcodec avformat"
2741 mpdecimate_filter_deps="gpl"
2742 mpdecimate_filter_select="pixelutils"
2743 mptestsrc_filter_deps="gpl"
2744 negate_filter_deps="lut_filter"
2745 perspective_filter_deps="gpl"
2746 pp7_filter_deps="gpl"
2747 ocv_filter_deps="libopencv"
2748 owdenoise_filter_deps="gpl"
2749 pan_filter_deps="swresample"
2750 phase_filter_deps="gpl"
2751 pp_filter_deps="gpl postproc"
2752 pullup_filter_deps="gpl"
2753 removelogo_filter_deps="avcodec avformat swscale"
2754 repeatfields_filter_deps="gpl"
2755 resample_filter_deps="avresample"
2756 sab_filter_deps="gpl swscale"
2757 scale_filter_deps="swscale"
2758 select_filter_select="pixelutils"
2759 smartblur_filter_deps="gpl swscale"
2760 showcqt_filter_deps="avcodec"
2761 showcqt_filter_select="fft"
2762 showspectrum_filter_deps="avcodec"
2763 showspectrum_filter_select="rdft"
2764 spp_filter_deps="gpl avcodec"
2765 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
2766 stereo3d_filter_deps="gpl"
2767 subtitles_filter_deps="avformat avcodec libass"
2768 super2xsai_filter_deps="gpl"
2769 tinterlace_filter_deps="gpl"
2770 vidstabdetect_filter_deps="libvidstab"
2771 vidstabtransform_filter_deps="libvidstab"
2772 pixfmts_super2xsai_test_deps="super2xsai_filter"
2773 tinterlace_merge_test_deps="tinterlace_filter"
2774 tinterlace_pad_test_deps="tinterlace_filter"
2775 uspp_filter_deps="gpl avcodec"
2776 zmq_filter_deps="libzmq"
2777 zoompan_filter_deps="swscale"
2780 avio_reading="avformat avcodec avutil"
2781 avio_list_dir="avformat avutil"
2782 avcodec_example_deps="avcodec avutil"
2783 decoding_encoding_example_deps="avcodec avformat avutil"
2784 demuxing_decoding_example_deps="avcodec avformat avutil"
2785 extract_mvs_example_deps="avcodec avformat avutil"
2786 filter_audio_example_deps="avfilter avutil"
2787 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2788 filtering_video_example_deps="avfilter avcodec avformat avutil"
2789 metadata_example_deps="avformat avutil"
2790 muxing_example_deps="avcodec avformat avutil swscale"
2791 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2792 remuxing_example_deps="avcodec avformat avutil"
2793 resampling_audio_example_deps="avutil swresample"
2794 scaling_video_example_deps="avutil swscale"
2795 transcode_aac_example_deps="avcodec avformat swresample"
2796 transcoding_example_deps="avfilter avcodec avformat avutil"
2798 # libraries, in linking order
2799 avcodec_deps="avutil"
2800 avdevice_deps="avformat avcodec avutil"
2801 avfilter_deps="avutil"
2802 avformat_deps="avcodec avutil"
2803 avresample_deps="avutil"
2804 postproc_deps="avutil gpl"
2805 swresample_deps="avutil"
2806 swscale_deps="avutil"
2809 ffmpeg_deps="avcodec avfilter avformat swresample"
2810 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2812 setpts_filter trim_filter"
2813 ffplay_deps="avcodec avformat swscale swresample sdl"
2814 ffplay_libs='$sdl_libs'
2815 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
2816 ffprobe_deps="avcodec avformat"
2817 ffserver_deps="avformat fork sarestart"
2818 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2821 podpages_deps="perl"
2822 manpages_deps="perl pod2man"
2823 htmlpages_deps="perl"
2824 htmlpages_deps_any="makeinfo_html texi2html"
2825 txtpages_deps="perl makeinfo"
2826 doc_deps_any="manpages htmlpages podpages txtpages"
2828 # default parameters
2830 logfile="config.log"
2832 # installation paths
2833 prefix_default="/usr/local"
2834 bindir_default='${prefix}/bin'
2835 datadir_default='${prefix}/share/ffmpeg'
2836 docdir_default='${prefix}/share/doc/ffmpeg'
2837 incdir_default='${prefix}/include'
2838 libdir_default='${prefix}/lib'
2839 mandir_default='${prefix}/share/man'
2845 host_cc_default="gcc"
2847 doxygen_default="doxygen"
2852 pkg_config_default=pkg-config
2853 ranlib_default="ranlib"
2854 strip_default="strip"
2855 yasmexe_default="yasm"
2856 windres_default="windres"
2859 target_os_default=$(tolower $(uname -s))
2860 host_os=$target_os_default
2863 if test "$target_os_default" = aix; then
2864 arch_default=$(uname -p)
2865 strip_default="strip -X32_64"
2867 arch_default=$(uname -m)
2872 # configurable options
2873 enable $PROGRAM_LIST
2874 enable $DOCUMENT_LIST
2875 enable $EXAMPLE_LIST
2876 enable $(filter_out avresample $LIBRARY_LIST)
2882 enable faan faandct faanidct
2883 enable optimizations
2884 enable runtime_cpudetect
2885 enable safe_bitstream_reader
2887 enable swscale_alpha
2888 enable valgrind_backtrace
2890 sws_max_filter_size_default=256
2891 set_default sws_max_filter_size
2893 # Enable hwaccels by default.
2894 enable d3d11va dxva2 vaapi vda vdpau xvmc
2898 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2901 FULLNAME='$(NAME)$(BUILDSUF)'
2902 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2905 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2906 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2907 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2908 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2909 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2910 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2932 host_cflags_filter=echo
2933 host_ldflags_filter=echo
2935 target_path='$(CURDIR)'
2937 # since the object filename is not given with the -MM flag, the compiler
2938 # is only able to print the basename, and we must add the path ourselves
2939 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2943 if test -f configure; then
2946 source_path=$(cd $(dirname "$0"); pwd)
2947 echo "$source_path" | grep -q '[[:blank:]]' &&
2948 die "Out of tree builds are impossible with whitespace in source path."
2949 test -e "$source_path/config.h" &&
2950 die "Out of tree builds are impossible with config.h in source dir."
2957 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2963 file=$source_path/$3
2964 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2967 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2968 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2969 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2970 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2971 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2972 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2973 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2974 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2975 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2976 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2977 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2993 for n in $COMPONENT_LIST; do
2994 v=$(toupper ${n%s})_LIST
2996 eval ${n}_if_any="\$$v"
2999 enable $ARCH_EXT_LIST
3002 echo "Unknown option \"$1\"."
3003 echo "See $0 --help for available options."
3008 cat | tr ' ' '\n' | sort | pr -r -3 -t
3014 echo $* | sed s/$suffix//g | print_3_columns
3026 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3027 echo "prob ${prob:-0.5}"
3035 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3036 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3045 --extra-ldexeflags=*)
3046 add_ldexeflags $optval
3048 --extra-ldlibflags=*)
3049 add_ldlibflags $optval
3052 add_extralibs $optval
3055 disable $INDEV_LIST $OUTDEV_LIST
3058 debuglevel="$optval"
3061 disable $PROGRAM_LIST
3063 --disable-everything)
3064 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3067 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3068 disable $LIBRARY_LIST $PROGRAM_LIST doc
3070 --enable-random|--disable-random)
3071 action=${opt%%-random}
3072 do_random ${action#--} $COMPONENT_LIST
3074 --enable-random=*|--disable-random=*)
3075 action=${opt%%-random=*}
3076 do_random ${action#--} $optval
3078 --enable-*=*|--disable-*=*)
3079 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3080 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3081 eval list=\$$(toupper $thing)_LIST
3082 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3083 list=$(filter "$name" $list)
3084 [ "$list" = "" ] && warn "Option $opt did not match anything"
3087 --enable-?*|--disable-?*)
3088 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3089 if is_in $option $COMPONENT_LIST; then
3090 test $action = disable && action=unset
3091 eval $action \$$(toupper ${option%s})_LIST
3092 elif is_in $option $CMDLINE_SELECT; then
3099 NAME="${opt#--list-}"
3100 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3102 eval show_list $NAME \$$(toupper $NAME)_LIST
3104 --help|-h) show_help
3106 --fatal-warnings) enable fatal_warnings
3109 optname="${opt%%=*}"
3110 optname="${optname#--}"
3111 optname=$(echo "$optname" | sed 's/-/_/g')
3112 if is_in $optname $CMDLINE_SET; then
3113 eval $optname='$optval'
3114 elif is_in $optname $CMDLINE_APPEND; then
3115 append $optname "$optval"
3127 disabled logging && logfile=/dev/null
3129 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3132 test -n "$valgrind" && toolchain="valgrind-memcheck"
3134 case "$toolchain" in
3137 add_cflags -fsanitize=address
3138 add_ldflags -fsanitize=address
3142 add_cflags -fsanitize=thread -pie
3143 add_ldflags -fsanitize=thread -pie
3147 add_cflags -fsanitize=undefined
3148 add_ldflags -fsanitize=undefined
3152 add_cflags -fsanitize=address
3153 add_ldflags -fsanitize=address
3157 add_cflags -fsanitize=thread -pie -fPIC
3158 add_ldflags -fsanitize=thread -pie -fPIC
3162 add_cflags -fsanitize=undefined
3163 add_ldflags -fsanitize=undefined
3166 target_exec_default=${valgrind:-"valgrind"}
3167 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"
3170 target_exec_default=${valgrind:-"valgrind"}
3171 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3174 # Check whether the current MSVC version needs the C99 converter.
3175 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3176 # support enough of C99 to build ffmpeg. Default to the new
3177 # behaviour if the regexp was unable to match anything, since this
3178 # successfully parses the version number of existing supported
3179 # versions that require the converter (MSVC 2010 and 2012).
3180 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3181 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3184 cc_default="c99wrap cl"
3187 nm_default="dumpbin -symbols"
3189 target_os_default="win32"
3190 # Use a relative path for TMPDIR. This makes sure all the
3191 # ffconf temp files are written with a relative path, avoiding
3192 # issues with msys/win32 path conversion for MSVC parameters
3193 # such as -Fo<file> or -out:<file>.
3199 nm_default="dumpbin -symbols"
3201 target_os_default="win32"
3205 add_cflags -fprofile-arcs -ftest-coverage
3206 add_ldflags -fprofile-arcs -ftest-coverage
3209 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3210 add_cflags -fno-strict-overflow -fstack-protector-all
3211 add_ldflags -Wl,-z,relro -Wl,-z,now
3214 die "Unknown toolchain $toolchain"
3218 test -n "$cross_prefix" && enable cross_compile
3220 if enabled cross_compile; then
3221 test -n "$arch" && test -n "$target_os" ||
3222 die "Must specify target arch and OS when cross-compiling"
3225 ar_default="${cross_prefix}${ar_default}"
3226 cc_default="${cross_prefix}${cc_default}"
3227 cxx_default="${cross_prefix}${cxx_default}"
3228 nm_default="${cross_prefix}${nm_default}"
3229 pkg_config_default="${cross_prefix}${pkg_config_default}"
3230 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3231 ranlib_default="${cross_prefix}${ranlib_default} -D"
3233 ranlib_default="${cross_prefix}${ranlib_default}"
3235 strip_default="${cross_prefix}${strip_default}"
3236 windres_default="${cross_prefix}${windres_default}"
3238 sysinclude_default="${sysroot}/usr/include"
3240 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3241 target_exec target_os yasmexe
3242 enabled cross_compile || host_cc_default=$cc
3245 pkg_config_fail_message=""
3246 if ! $pkg_config --version >/dev/null 2>&1; then
3247 warn "$pkg_config not found, library detection may fail."
3249 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3250 pkg_config_fail_message="
3251 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3254 if test $doxygen != $doxygen_default && \
3255 ! $doxygen --version >/dev/null 2>&1; then
3256 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3261 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3265 EXESUF=$(exesuf $target_os)
3266 HOSTEXESUF=$(exesuf $host_os)
3268 # set temporary file name
3269 : ${TMPDIR:=$TEMPDIR}
3273 if [ -n "$tempprefix" ] ; then
3275 echo $tempprefix.${HOSTNAME}.${UID}
3277 elif ! check_cmd mktemp -u XXXXXX; then
3278 # simple replacement for missing mktemp
3279 # NOT SAFE FOR GENERAL USE
3281 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3286 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3287 (set -C; exec > $tmp) 2>/dev/null ||
3288 die "Unable to create temporary file in $TMPDIR."
3289 append TMPFILES $tmp
3293 trap 'rm -f -- $TMPFILES' EXIT
3298 tmpfile TMPE $EXESUF
3310 # make sure we can execute files in $TMPDIR
3311 cat > $TMPSH 2>> $logfile <<EOF
3314 chmod +x $TMPSH >> $logfile 2>&1
3315 if ! $TMPSH >> $logfile 2>&1; then
3317 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3318 variable to another directory and make sure that it is not mounted noexec.
3320 die "Sanity test failed."
3326 # Filter out MSVC cl.exe options from cflags that shouldn't
3327 # be passed to gas-preprocessor
3337 -std=c99) echo -c99 ;;
3338 -mcpu=*) echo -arch ${flag#*=} ;;
3339 -mieee) echo -ieee ;;
3340 -O*|-fast) echo $flag ;;
3341 -fno-math-errno) echo -assume nomath_errno ;;
3343 -Wall) echo -msg_enable level2 ;;
3344 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3345 -Wl,*) echo $flag ;;
3355 -Wno-switch) echo -Wno-switch-enum ;;
3356 -Wno-format-zero-length) ;;
3357 -Wdisabled-optimization) ;;
3358 -Wno-pointer-sign) echo -Wno-other ;;
3364 msvc_common_flags(){
3367 # In addition to specifying certain flags under the compiler
3368 # specific filters, they must be specified here as well or else the
3369 # generic catch all at the bottom will print the original flag.
3373 -fomit-frame-pointer) ;;
3377 -fno-signed-zeros) ;;
3381 -lz) echo zlib.lib ;;
3382 -lavifil32) echo vfw32.lib ;;
3383 -lavicap32) echo vfw32.lib user32.lib ;;
3384 -l*) echo ${flag#-l}.lib ;;
3385 -L*) echo -libpath:${flag#-L} ;;
3392 msvc_common_flags "$@"
3395 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3396 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3397 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3399 -wd4273 -wd4554 -wd4701 ;;
3405 msvc_common_flags "$@"
3408 # Despite what Intel's documentation says -Wall, which is supported
3409 # on Windows, does enable remarks so disable them here.
3410 -Wall) echo $flag -Qdiag-disable:remark ;;
3411 -std=c99) echo -Qstd=c99 ;;
3429 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3430 -fomit-frame-pointer) echo -Mnoframe ;;
3441 case "${flag#*=}" in
3442 native) echo -xtarget=native ;;
3443 v9|niagara) echo -xarch=sparc ;;
3444 ultrasparc) echo -xarch=sparcvis ;;
3445 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3446 i586|pentium) echo -xchip=pentium ;;
3447 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3448 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3449 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3450 pentium4*) echo -xtarget=pentium4 ;;
3451 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3452 *-sse3) echo -xarch=sse3 ;;
3453 core2) echo -xarch=ssse3 -xchip=core2 ;;
3454 bonnell) echo -xarch=ssse3 ;;
3455 corei7|nehalem) echo -xtarget=nehalem ;;
3456 westmere) echo -xtarget=westmere ;;
3457 silvermont) echo -xarch=sse4_2 ;;
3458 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3459 core-avx*|ivybridge|haswell|broadwell)
3461 amdfam10|barcelona) echo -xtarget=barcelona ;;
3462 btver1) echo -xarch=amdsse4a ;;
3463 btver2|bdver*) echo -xarch=avx ;;
3464 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3465 k8|opteron|athlon64|athlon-fx)
3466 echo -xarch=sse2a ;;
3467 athlon*) echo -xarch=pentium_proa ;;
3470 -std=c99) echo -xc99 ;;
3471 -fomit-frame-pointer) echo -xregs=frameptr ;;
3472 -fPIC) echo -KPIC -xcode=pic32 ;;
3473 -W*,*) echo $flag ;;
3474 -f*-*|-W*|-mimpure-text) ;;
3485 case "${flag#*=}" in
3486 armv7-a|cortex-a*) echo -mv=7a8 ;;
3487 armv7-r|cortex-r*) echo -mv=7r4 ;;
3488 armv7-m|cortex-m*) echo -mv=7m3 ;;
3489 armv6*|arm11*) echo -mv=6 ;;
3490 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3492 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3495 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3496 -mfpu=vfp) echo --float_support=vfpv2 ;;
3497 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3498 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3499 -msoft-float) echo --float_support=vfplib ;;
3500 -O[0-3]|-mf=*) echo $flag ;;
3502 -pds=*) echo $flag ;;
3503 -D*|-I*) echo $flag ;;
3504 --gcc|--abi=*) echo $flag ;;
3514 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3515 unset _ld_o _ldflags _ld_lib _ld_path
3516 unset _depflags _DEPCMD _DEPFLAGS
3519 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3520 true # no-op to avoid reading stdin in following checks
3521 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3523 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
3524 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
3525 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3528 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3530 gcc_version=$($_cc --version | head -n1)
3531 gcc_basever=$($_cc -dumpversion)
3532 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3533 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3534 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3535 if ! $_cc -dumpversion | grep -q '^2\.'; then
3536 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3540 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3542 _ident=$($_cc --version | head -n1)
3547 _flags_filter=icc_flags
3548 elif $_cc -v 2>&1 | grep -q xlc; then
3550 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3552 _cflags_size='-O5 -qcompact'
3553 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3555 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3557 _cflags_speed='-fast'
3559 _flags_filter=ccc_flags
3560 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3561 test -d "$sysroot" || die "No valid sysroot specified."
3563 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3564 armcc_conf="$PWD/armcc.conf"
3565 $_cc --arm_linux_configure \
3566 --arm_linux_config_file="$armcc_conf" \
3567 --configure_sysroot="$sysroot" \
3568 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3569 die "Error creating armcc configuration file."
3570 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3571 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3572 as_default="${cross_prefix}gcc"
3576 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3578 _ident=$($_cc -version | head -n1 | tr -s ' ')
3579 _flags='--gcc --abi=eabi -me'
3582 _depflags='-ppa -ppd=$(@:.o=.d)'
3583 _cflags_speed='-O3 -mf=5'
3584 _cflags_size='-O3 -mf=2'
3585 _flags_filter=tms470_flags
3586 elif $_cc -v 2>&1 | grep -q clang; then
3588 _ident=$($_cc --version | head -n1)
3589 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3592 elif $_cc -V 2>&1 | grep -q Sun; then
3594 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3595 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3596 _DEPFLAGS='-xM1 -xc99'
3599 _cflags_size='-O5 -xspace'
3600 _flags_filter=suncc_flags
3601 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3603 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3604 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3607 _flags_filter='filter_out -Wdisabled-optimization'
3608 elif $_cc -v 2>&1 | grep -q Open64; then
3610 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3611 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3614 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3615 elif $_cc -V 2>&1 | grep -q Portland; then
3617 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3618 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3619 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3620 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3622 _flags_filter=pgi_flags
3623 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3625 _ident=$($_cc | head -n1)
3626 # 4509: "This form of conditional instruction is deprecated"
3627 _flags="-nologo -ignore 4509"
3628 _flags_filter=armasm_flags
3629 elif $_cc 2>&1 | grep -q Intel; then
3631 _ident=$($_cc 2>&1 | head -n1)
3632 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3633 # Not only is O3 broken on 13.x+ but it is slower on all previous
3634 # versions (tested) as well.
3636 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3637 if $_cc 2>&1 | grep -q Linker; then
3644 _flags_filter=icl_flags
3646 _ld_path='-libpath:'
3647 # -Qdiag-error to make icl error when seeing certain unknown arguments
3648 _flags='-nologo -Qdiag-error:4044,10157'
3649 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3650 # with MSVC which enables it by default.
3651 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3653 elif $_cc 2>&1 | grep -q Microsoft; then
3655 _ident=$($_cc 2>&1 | head -n1)
3656 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3657 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3660 if $_cc 2>&1 | grep -q Linker; then
3667 _flags_filter=msvc_flags
3669 _ld_path='-libpath:'
3671 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3673 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3675 _ident=$($_cc --version | head -n1)
3679 _flags_filter=cparser_flags
3682 eval ${pfx}_type=\$_type
3683 eval ${pfx}_ident=\$_ident
3687 eval ${1}_C=\${_cc_c-\${${1}_C}}
3688 eval ${1}_E=\${_cc_e-\${${1}_E}}
3689 eval ${1}_O=\${_cc_o-\${${1}_O}}
3691 if [ -n "$_depflags" ]; then
3692 eval ${1}_DEPFLAGS=\$_depflags
3694 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3695 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3696 eval DEP${1}FLAGS=\$_flags
3701 cflags_filter=$_flags_filter
3702 cflags_speed=$_cflags_speed
3703 cflags_size=$_cflags_size
3704 cflags_noopt=$_cflags_noopt
3705 add_cflags $_flags $_cflags
3706 cc_ldflags=$_ldflags
3709 probe_cc hostcc "$host_cc"
3710 host_cflags_filter=$_flags_filter
3711 add_host_cflags $_flags $_cflags
3714 test -n "$cc_type" && enable $cc_type ||
3715 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3717 : ${as_default:=$cc}
3718 : ${dep_cc_default:=$cc}
3719 : ${ld_default:=$cc}
3720 : ${host_ld_default:=$host_cc}
3721 set_default ar as dep_cc ld host_ld windres
3724 asflags_filter=$_flags_filter
3725 add_asflags $_flags $_cflags
3729 ldflags_filter=$_flags_filter
3730 add_ldflags $_flags $_ldflags
3731 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3733 LD_LIB=${_ld_lib-$LD_LIB}
3734 LD_PATH=${_ld_path-$LD_PATH}
3736 probe_cc hostld "$host_ld"
3737 host_ldflags_filter=$_flags_filter
3738 add_host_ldflags $_flags $_ldflags
3739 HOSTLD_O=${_ld_o-$HOSTLD_O}
3741 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3742 probe_cc depcc "$dep_cc"
3743 CCDEP=${_DEPCMD:-$DEPCMD}
3744 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3748 if $ar 2>&1 | grep -q Microsoft; then
3751 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3754 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3755 arflags='-Xany -r -c'
3757 elif $ar 2>&1 | grep -q "\[D\] "; then
3765 add_cflags $extra_cflags
3766 add_cxxflags $extra_cxxflags
3767 add_asflags $extra_cflags
3769 if test -n "$sysroot"; then
3772 add_cppflags --sysroot="$sysroot"
3773 add_ldflags --sysroot="$sysroot"
3774 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
3775 add_cppflags -isysroot "$sysroot"
3776 add_ldflags -isysroot "$sysroot"
3779 add_cppflags -I"$sysinclude"
3780 add_ldflags --sysroot="$sysroot"
3785 if test "$cpu" = host; then
3786 enabled cross_compile &&
3787 die "--cpu=host makes no sense when cross-compiling."
3792 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3794 s/.*$1=\\([^ ]*\\).*/\\1/
3799 cpu=$(check_native -march || check_native -mcpu)
3803 test "${cpu:-host}" = host &&
3804 die "--cpu=host not supported with compiler $cc"
3807 # Deal with common $arch aliases
3821 "Power Macintosh"|ppc*|powerpc*)
3836 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3841 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3844 # Add processor-specific flags
3845 if enabled aarch64; then
3849 cpuflags="-march=$cpu"
3852 cpuflags="-mcpu=$cpu"
3856 elif enabled alpha; then
3858 cpuflags="-mcpu=$cpu"
3860 elif enabled arm; then
3863 check_cpp_condition stddef.h \
3864 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3869 if check_arm_arch 4; then echo armv4;
3870 elif check_arm_arch 4T; then echo armv4t;
3871 elif check_arm_arch 5; then echo armv5;
3872 elif check_arm_arch 5E; then echo armv5e;
3873 elif check_arm_arch 5T; then echo armv5t;
3874 elif check_arm_arch 5TE; then echo armv5te;
3875 elif check_arm_arch 5TEJ; then echo armv5te;
3876 elif check_arm_arch 6; then echo armv6;
3877 elif check_arm_arch 6J; then echo armv6j;
3878 elif check_arm_arch 6K; then echo armv6k;
3879 elif check_arm_arch 6Z; then echo armv6z;
3880 elif check_arm_arch 6ZK; then echo armv6zk;
3881 elif check_arm_arch 6T2; then echo armv6t2;
3882 elif check_arm_arch 7; then echo armv7;
3883 elif check_arm_arch 7A 7_A; then echo armv7-a;
3884 elif check_arm_arch 7S; then echo armv7-a;
3885 elif check_arm_arch 7R 7_R; then echo armv7-r;
3886 elif check_arm_arch 7M 7_M; then echo armv7-m;
3887 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3888 elif check_arm_arch 8A 8_A; then echo armv8-a;
3892 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3896 cpuflags="-march=$cpu"
3897 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3900 cpuflags="-mcpu=$cpu"
3902 cortex-a*) subarch=armv7a ;;
3903 cortex-r*) subarch=armv7r ;;
3904 cortex-m*) enable thumb; subarch=armv7m ;;
3905 arm11*) subarch=armv6 ;;
3906 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3907 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3908 *) subarch=$(probe_arm_arch) ;;
3914 armv5t*) enable fast_clz ;;
3917 disabled fast_unaligned || enable fast_unaligned
3921 elif enabled avr32; then
3926 cpuflags="-mpart=$cpu"
3930 cpuflags="-march=$cpu"
3934 cpuflags="-mcpu=$cpu"
3938 cpuflags="-march=$cpu"
3942 elif enabled bfin; then
3944 cpuflags="-mcpu=$cpu"
3946 elif enabled mips; then
3948 cpuflags="-march=$cpu"
3973 24kef*|34kf*|1004kf*)
3995 check_cflags "-mtune=p5600"
4003 check_cflags "-mtune=i6400 -mabi=64"
4004 check_ldflags "-mabi=64"
4014 enable local_aligned_8 local_aligned_16 local_aligned_32
4015 enable simd_align_16
4019 enable fast_unaligned
4020 disable aligned_stack
4023 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4026 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4029 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4040 elif enabled ppc; then
4044 case $(tolower $cpu) in
4045 601|ppc601|powerpc601)
4046 cpuflags="-mcpu=601"
4049 603*|ppc603*|powerpc603*)
4050 cpuflags="-mcpu=603"
4053 604*|ppc604*|powerpc604*)
4054 cpuflags="-mcpu=604"
4057 g3|75*|ppc75*|powerpc75*)
4058 cpuflags="-mcpu=750"
4061 g4|745*|ppc745*|powerpc745*)
4062 cpuflags="-mcpu=7450"
4065 74*|ppc74*|powerpc74*)
4066 cpuflags="-mcpu=7400"
4069 g5|970|ppc970|powerpc970)
4070 cpuflags="-mcpu=970"
4074 cpuflags="-mcpu=$cpu"
4078 cpuflags="-mcpu=$cpu"
4081 cpuflags="-mcpu=cell"
4086 cpuflags="-mcpu=e500mc"
4090 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4095 cpuflags="-mcpu=8540 -mhard-float"
4101 elif enabled sparc; then
4104 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4105 cpuflags="-mcpu=$cpu"
4107 ultrasparc*|niagara[234])
4108 cpuflags="-mcpu=$cpu"
4112 elif enabled x86; then
4116 cpuflags="-march=$cpu"
4120 # targets that do NOT support nopl and conditional mov (cmov)
4121 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4122 cpuflags="-march=$cpu"
4125 # targets that do support nopl and conditional mov (cmov)
4126 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4127 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)
4128 cpuflags="-march=$cpu"
4132 # targets that do support conditional mov but on which it's slow
4133 pentium4|pentium4m|prescott|nocona)
4134 cpuflags="-march=$cpu"
4142 if [ "$cpu" != generic ]; then
4143 add_cflags $cpuflags
4144 add_asflags $cpuflags
4147 # compiler sanity check
4149 int main(void){ return 0; }
4151 if test "$?" != 0; then
4152 echo "$cc is unable to create an executable file."
4153 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4154 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4155 echo "Only do this if you know what cross compiling means."
4157 die "C compiler test failed."
4160 add_cppflags -D_ISOC99_SOURCE
4161 add_cxxflags -D__STDC_CONSTANT_MACROS
4162 check_cflags -std=c99
4163 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
4166 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
4170 add_host_cppflags -D_ISOC99_SOURCE
4171 check_host_cflags -std=c99
4172 check_host_cflags -Wall
4173 check_host_cflags -O3
4179 check_code cc "" "int test[2*($expr) - 1]" &&
4180 subarch=$arch64 || subarch=$arch32
4188 check_64bit mips mips64 '_MIPS_SIM > 1'
4192 check_64bit parisc parisc64 'sizeof(void *) > 4'
4196 check_64bit ppc ppc64 'sizeof(void *) > 4'
4200 check_64bit s390 s390x 'sizeof(void *) > 4'
4204 check_64bit sparc sparc64 'sizeof(void *) > 4'
4208 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4209 # Treat x32 as x64 for now. Note it also needs spic=$shared
4210 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4212 if test "$subarch" = "x86_64"; then
4217 check_cc <<EOF && subarch="ppc64"
4218 int test[(int)sizeof(char*) - 7];
4224 enabled spic && enable_weak pic
4230 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4231 enabled shared && add_ldflags -Wl,-brtl
4235 enable section_data_rel_ro
4236 SLIB_INSTALL_NAME='$(SLIBNAME)'
4238 # soname not set on purpose
4242 prefix_default="/boot/common"
4243 network_extralibs="-lnetwork"
4247 SHFLAGS='-shared -Wl,-h,$$(@F)'
4248 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
4249 network_extralibs="-lsocket -lnsl"
4250 add_cppflags -D__EXTENSIONS__
4251 # When using suncc to build, the Solaris linker will mark
4252 # an executable with each instruction set encountered by
4253 # the Solaris assembler. As our libraries contain their own
4254 # guards for processor-specific code, instead suppress
4255 # generation of the HWCAPS ELF section on Solaris x86 only.
4256 enabled_all suncc x86 &&
4257 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4258 add_ldflags -Wl,-M,mapfile
4259 nm_default='nm -P -g'
4263 oss_indev_extralibs="-lossaudio"
4264 oss_outdev_extralibs="-lossaudio"
4265 enabled gcc || check_ldflags -Wl,-zmuldefs
4270 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4272 oss_indev_extralibs="-lossaudio"
4273 oss_outdev_extralibs="-lossaudio"
4281 add_extralibs -lpoll -lgnugetopt
4285 enabled ppc && add_asflags -force_cpusubtype_ALL
4286 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4287 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4289 add_ldflags -Wl,-dynamic,-search_paths_first
4291 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4292 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4294 enabled x86_64 && objformat="macho64"
4295 enabled_any pic shared x86_64 ||
4296 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4299 if test $target_os = "mingw32ce"; then
4304 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
4305 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
4307 if enabled x86_64; then
4308 LIBTARGET="i386:x86-64"
4309 elif enabled arm; then
4312 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4313 check_ldflags -Wl,--nxcompat
4314 check_ldflags -Wl,--dynamicbase
4315 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4316 shlibdir_default="$bindir_default"
4319 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4320 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4321 dlltool="${cross_prefix}dlltool"
4322 if check_cmd lib.exe -list; then
4323 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4324 if enabled x86_64; then
4327 elif check_cmd $dlltool --version; then
4328 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4330 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4332 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4333 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4334 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
4341 if enabled shared; then
4342 # Link to the import library instead of the normal static library
4345 # Cannot build both shared and static libs with MSVC or icl.
4348 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
4349 shlibdir_default="$bindir_default"
4352 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4353 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4354 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4355 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4357 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4358 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4359 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4366 shlibdir_default="$bindir_default"
4369 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4370 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4371 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4373 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4374 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4377 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4379 *-dos|freedos|opendos)
4380 network_extralibs="-lsocket"
4383 add_cppflags -U__STRICT_ANSI__
4387 enable section_data_rel_ro
4391 ranlib="echo ignoring ranlib"
4397 add_cppflags -D_GNU_SOURCE
4398 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4399 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4403 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4404 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4405 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4406 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4407 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4408 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4409 emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'
4410 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4411 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4412 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4414 enable_weak os2threads
4417 add_cppflags -D_BSD_SOURCE
4422 add_cppflags -D_QNX_SOURCE
4423 network_extralibs="-lsocket"
4428 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4429 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4430 add_ldflags -Wl,--target1-abs,--no-undefined \
4431 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4432 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4433 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4434 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4435 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4438 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4443 add_cppflags -D_C99_SNPRINTF_EXTENSION \
4444 -D_REENTRANT_SOURCE \
4445 -D_RESEARCH_SOURCE \
4448 add_compat strtod.o strtod=avpriv_strtod
4449 network_extralibs='-lbsd'
4450 exeobjs=compat/plan9/main.o
4457 die "Unknown OS '$target_os'."
4461 # determine libc flavour
4466 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4467 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4468 eval ${pfx}libc_type=uclibc
4469 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4470 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4471 eval ${pfx}libc_type=glibc
4472 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4473 # MinGW headers can be installed on Cygwin, so check for newlib first.
4474 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4475 eval ${pfx}libc_type=newlib
4476 add_${pfx}cppflags -U__STRICT_ANSI__
4477 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4478 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4479 eval ${pfx}libc_type=mingw64
4480 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
4481 add_compat msvcrt/snprintf.o
4482 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
4484 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4485 eval test \$${pfx_no_}cc_type = "gcc" &&
4486 add_${pfx}cppflags -D__printf__=__gnu_printf__
4487 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4488 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4489 eval ${pfx}libc_type=mingw32
4490 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4491 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4492 die "ERROR: MinGW32 runtime version must be >= 3.15."
4493 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4494 eval test \$${pfx_no_}cc_type = "gcc" &&
4495 add_${pfx}cppflags -D__printf__=__gnu_printf__
4496 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4497 eval ${pfx}libc_type=msvcrt
4498 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
4499 if [ "$pfx" = host_ ]; then
4500 add_host_cppflags -Dsnprintf=_snprintf
4502 add_compat strtod.o strtod=avpriv_strtod
4503 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4504 _snprintf=avpriv_snprintf \
4505 vsnprintf=avpriv_vsnprintf
4508 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4509 # 0x601 by default unless something else is set by the user.
4510 # This can easily lead to us detecting functions only present
4511 # in such new versions and producing binaries requiring windows 7.0.
4512 # Therefore explicitly set the default to XP unless the user has
4513 # set something else on the command line.
4514 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4515 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
4516 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4517 eval ${pfx}libc_type=klibc
4518 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4519 eval ${pfx}libc_type=bionic
4520 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4521 eval ${pfx}libc_type=solaris
4522 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4524 check_${pfx}cc <<EOF
4526 void *v = localtime_r;
4528 test "$?" != 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
4530 void *v = localtime_r;
4536 test -n "$libc_type" && enable libc_$libc_type
4538 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4542 add_compat strtod.o strtod=avpriv_strtod
4546 # hacks for compiler/libc/os combinations
4548 if enabled_all tms470 libc_glibc; then
4549 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4550 add_cppflags -D__USER_LABEL_PREFIX__=
4551 add_cppflags -D__builtin_memset=memset
4552 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4553 add_cflags -pds=48 # incompatible redefinition of macro
4556 if enabled_all ccc libc_glibc; then
4557 add_ldflags -Wl,-z,now # calls to libots crash without this
4560 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4561 add_cppflags '-I\$(SRC_PATH)/compat/float'
4564 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4567 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
4569 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4572 : ${shlibdir_default:="$libdir"}
4573 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
4575 set_default $PATHS_LIST
4578 # we need to build at least one lib type
4579 if ! enabled_any static shared; then
4581 At least one library type must be built.
4582 Specify --enable-static to build the static libraries or --enable-shared to
4583 build the shared libraries as well. To only build the shared libraries specify
4584 --disable-static in addition to --enable-shared.
4589 die_license_disabled() {
4590 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
4593 die_license_disabled_gpl() {
4594 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
4597 die_license_disabled gpl frei0r
4598 die_license_disabled gpl libcdio
4599 die_license_disabled gpl libsmbclient
4600 die_license_disabled gpl libutvideo
4601 die_license_disabled gpl libvidstab
4602 die_license_disabled gpl libx264
4603 die_license_disabled gpl libx265
4604 die_license_disabled gpl libxavs
4605 die_license_disabled gpl libxvid
4606 die_license_disabled gpl libzvbi
4607 die_license_disabled gpl x11grab
4609 die_license_disabled nonfree libaacplus
4610 die_license_disabled nonfree libfaac
4611 die_license_disabled nonfree nvenc
4612 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
4613 enabled gpl && die_license_disabled_gpl nonfree openssl
4615 die_license_disabled version3 libopencore_amrnb
4616 die_license_disabled version3 libopencore_amrwb
4617 die_license_disabled version3 libsmbclient
4618 die_license_disabled version3 libvo_aacenc
4619 die_license_disabled version3 libvo_amrwbenc
4621 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4623 disabled optimizations || check_cflags -fomit-frame-pointer
4626 disabled pic && return
4629 case "$target_os" in
4639 enabled pic && enable_weak_pic
4641 check_cc <<EOF || die "Symbol mangling check failed."
4644 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4645 extern_prefix=${sym%%ff_extern*}
4647 check_cc <<EOF && enable_weak inline_asm
4648 void foo(void) { __asm__ volatile ("" ::); }
4652 for restrict_keyword in restrict __restrict__ __restrict; do
4653 check_cc <<EOF && _restrict=$restrict_keyword && break
4654 void foo(char * $restrict_keyword p);
4658 check_cc <<EOF && enable pragma_deprecated
4659 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4662 check_cc <<EOF && enable attribute_packed
4663 struct { int x; } __attribute__((packed)) x;
4666 check_cc <<EOF && enable attribute_may_alias
4667 union { int x; } __attribute__((may_alias)) x;
4670 check_cc <<EOF || die "endian test failed"
4671 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4673 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4675 if ! enabled ppc64 || enabled bigendian; then
4680 log "check_gas using '$as' as AS"
4681 # :vararg is used on aarch64, arm and ppc altivec
4682 check_as <<EOF || return 1
4683 .macro m n, y:vararg=0
4688 # .altmacro is only used in arm asm
4689 ! enabled arm || check_as <<EOF || return 1
4696 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
4698 enabled_any arm aarch64 && nogas=die
4699 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
4703 arm*) gaspp_as_type=armasm; as_noop=-h ;;
4704 gcc) gaspp_as_type=gas ;;
4705 *) gaspp_as_type=$as_type ;;
4708 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
4710 test "${as#*gas-preprocessor.pl}" != "$as" ||
4711 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
4712 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
4714 if ! check_gas ; then
4717 $nogas "GNU assembler not found, install/update gas-preprocessor"
4720 check_as <<EOF && enable as_func
4726 check_inline_asm inline_asm_labels '"1:\n"'
4728 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
4730 if enabled aarch64; then
4731 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
4732 # internal assembler in clang 3.3 does not support this instruction
4733 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
4734 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
4736 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4738 elif enabled alpha; then
4742 elif enabled arm; then
4744 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
4745 float func(float a, float b){ return a+b; }
4748 enabled thumb && check_cflags -mthumb || check_cflags -marm
4750 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4752 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
4753 case "${cross_prefix:-$cc}" in
4754 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4755 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4756 __asm__ (".eabi_attribute 28, 1");
4757 int main(void) { return 0; }
4760 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4763 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4764 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4765 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4766 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4767 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4768 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4769 enabled setend && check_insn setend 'setend be'
4771 [ $target_os = linux ] || [ $target_os = android ] ||
4772 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4775 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4777 check_as <<EOF && enable as_dn_directive
4782 # llvm's integrated assembler supports .object_arch from llvm 3.5
4783 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
4787 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4789 elif enabled mips; then
4791 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
4792 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
4793 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
4795 # Enable minimum ISA based on selected options
4796 if enabled mips64 && (enabled mipsdspr1 || enabled mipsdspr2); then
4797 add_cflags "-mips64r2"
4798 add_asflags "-mips64r2"
4799 elif enabled mips64 && enabled mipsfpu && disabled loongson2 && disabled loongson3; then
4800 add_cflags "-mips64"
4801 add_asflags "-mips64"
4802 elif enabled mipsdspr1 || enabled mipsdspr2; then
4803 add_cflags "-mips32r2 -mfp32"
4804 add_asflags "-mips32r2 -mfp32"
4805 elif enabled mips32r5 || enabled mips64r6; then
4806 check_cflags "-mfp64"
4807 check_ldflags "-mfp64"
4810 enabled mips32r5 && check_cflags "-mips32r5 -msched-weight -mload-store-pairs -funroll-loops" &&
4811 check_ldflags "-mips32r5" &&
4812 check_inline_asm mips32r5 '"ulw $t0, ($t1)"'
4813 enabled mips64r6 && check_cflags "-mips64r6 -msched-weight -mload-store-pairs -funroll-loops" &&
4814 check_ldflags "-mips64r6" &&
4815 check_inline_asm mips64r6 '"aui $t0, $t1, 1"'
4816 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
4817 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
4818 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
4819 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
4820 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
4821 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
4822 enabled msa && check_cflags "-mmsa" && check_ldflags "-mmsa" &&
4823 check_inline_asm msa '"addvi.b $w0, $w1, 1"'
4825 enabled mips32r5 && add_asflags "-mips32r5 -mfp64"
4826 enabled mips64r6 && add_asflags "-mips64r6 -mfp64"
4827 enabled msa && add_asflags "-mmsa"
4829 elif enabled parisc; then
4831 if enabled gcc; then
4832 case $($cc -dumpversion) in
4833 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
4837 elif enabled ppc; then
4839 enable local_aligned_8 local_aligned_16 local_aligned_32
4841 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4842 check_inline_asm ibm_asm '"add 0, 0, 0"'
4843 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4844 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4846 # AltiVec flags: The FSF version of GCC differs from the Apple version
4847 if enabled altivec; then
4848 check_cflags -maltivec -mabi=altivec &&
4849 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4850 check_cflags -faltivec
4852 # check if our compiler supports Motorola AltiVec C API
4853 check_cc <<EOF || disable altivec
4856 vector signed int v1 = (vector signed int) { 0 };
4857 vector signed int v2 = (vector signed int) { 1 };
4858 v1 = vec_add(v1, v2);
4863 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4866 if enabled vsx; then
4867 check_cflags -mvsx &&
4868 check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx
4871 if enabled power8; then
4872 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
4875 elif enabled x86; then
4877 check_builtin rdtsc intrin.h "__rdtsc()"
4878 check_builtin mm_empty mmintrin.h "_mm_empty()"
4880 enable local_aligned_8 local_aligned_16 local_aligned_32
4882 # check whether EBP is available on x86
4883 # As 'i' is stored on the stack, this program will crash
4884 # if the base pointer is used to access it because the
4885 # base pointer is cleared in the inline assembly code.
4886 check_exec_crash <<EOF && enable ebp_available
4888 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4892 # check whether EBX is available on x86
4893 check_inline_asm ebx_available '""::"b"(0)' &&
4894 check_inline_asm ebx_available '"":::"%ebx"'
4896 # check whether xmm clobbers are supported
4897 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4899 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
4900 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
4902 # check whether binutils is new enough to compile SSSE3/MMXEXT
4903 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4904 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4906 if ! disabled_any asm mmx yasm; then
4907 if check_cmd $yasmexe --version; then
4908 enabled x86_64 && yasm_extra="-m amd64"
4909 yasm_debug="-g dwarf2"
4910 elif check_cmd nasm -v; then
4912 yasm_debug="-g -F dwarf"
4913 if enabled x86_64; then
4914 case "$objformat" in
4915 elf) objformat=elf64 ;;
4916 win32) objformat=win64 ;;
4921 YASMFLAGS="-f $objformat $yasm_extra"
4922 enabled pic && append YASMFLAGS "-DPIC"
4923 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4924 case "$objformat" in
4925 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4928 check_yasm "movbe ecx, [5]" && enable yasm ||
4929 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4930 check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
4931 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
4932 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4933 check_yasm "CPU amdnop" || disable cpunop
4937 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4944 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
4946 check_ldflags -Wl,--as-needed
4947 check_ldflags -Wl,-z,noexecstack
4949 if check_func dlopen; then
4951 elif check_func dlopen -ldl; then
4955 frei0r_filter_extralibs='$ldl'
4956 frei0r_src_filter_extralibs='$ldl'
4957 ladspa_filter_extralibs='$ldl'
4958 nvenc_encoder_extralibs='$ldl'
4960 if ! disabled network; then
4961 check_func getaddrinfo $network_extralibs
4962 check_func getservbyport $network_extralibs
4963 check_func inet_aton $network_extralibs
4965 check_type netdb.h "struct addrinfo"
4966 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4967 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4968 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4969 check_type poll.h "struct pollfd"
4970 check_type netinet/sctp.h "struct sctp_event_subscribe"
4971 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4972 check_type netinet/in.h "struct sockaddr_in6"
4973 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4974 check_type "sys/types.h sys/socket.h" socklen_t
4976 # Prefer arpa/inet.h over winsock2
4977 if check_header arpa/inet.h ; then
4978 check_func closesocket
4979 elif check_header winsock2.h ; then
4980 check_func_headers winsock2.h closesocket -lws2 &&
4981 network_extralibs="-lws2" ||
4982 { check_func_headers winsock2.h closesocket -lws2_32 &&
4983 network_extralibs="-lws2_32"; } || disable winsock2_h network
4984 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4986 check_type ws2tcpip.h socklen_t
4987 check_type ws2tcpip.h "struct addrinfo"
4988 check_type ws2tcpip.h "struct group_source_req"
4989 check_type ws2tcpip.h "struct ip_mreq_source"
4990 check_type ws2tcpip.h "struct ipv6_mreq"
4991 check_type winsock2.h "struct pollfd"
4992 check_struct winsock2.h "struct sockaddr" sa_len
4993 check_type ws2tcpip.h "struct sockaddr_in6"
4994 check_type ws2tcpip.h "struct sockaddr_storage"
5000 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
5001 check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"
5002 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
5003 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
5004 check_builtin sarestart signal.h "SA_RESTART"
5005 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
5006 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
5007 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
5009 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
5010 check_func ${malloc_prefix}memalign && enable memalign
5011 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5014 check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
5017 check_func gethrtime
5019 check_func getrusage
5020 check_func gettimeofday
5022 check_func mach_absolute_time
5026 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5027 check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
5028 check_func sched_getaffinity
5029 check_func setrlimit
5030 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5031 check_func strerror_r
5036 check_func_headers conio.h kbhit
5037 check_func_headers io.h setmode
5038 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5039 check_func_headers stdlib.h getenv
5041 check_func_headers windows.h CoTaskMemFree -lole32
5042 check_func_headers windows.h GetProcessAffinityMask
5043 check_func_headers windows.h GetProcessTimes
5044 check_func_headers windows.h GetSystemTimeAsFileTime
5045 check_func_headers windows.h MapViewOfFile
5046 check_func_headers windows.h PeekNamedPipe
5047 check_func_headers windows.h SetConsoleTextAttribute
5048 check_func_headers windows.h SetConsoleCtrlHandler
5049 check_func_headers windows.h Sleep
5050 check_func_headers windows.h VirtualAlloc
5051 check_struct windows.h "CONDITION_VARIABLE" Ptr
5052 check_func_headers glob.h glob
5054 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5056 check_header direct.h
5057 check_header dlfcn.h
5058 check_header d3d11.h
5060 check_header dxva2api.h -D_WIN32_WINNT=0x0600
5062 check_header libcrystalhd/libcrystalhd_if.h
5063 check_header mach/mach_time.h
5064 check_header malloc.h
5065 check_header net/udplite.h
5067 check_header sys/mman.h
5068 check_header sys/param.h
5069 check_header sys/resource.h
5070 check_header sys/select.h
5071 check_header sys/time.h
5072 check_header sys/un.h
5073 check_header termios.h
5074 check_header unistd.h
5075 check_header valgrind/valgrind.h
5076 check_header vdpau/vdpau.h
5077 check_header vdpau/vdpau_x11.h
5078 check_header VideoDecodeAcceleration/VDADecoder.h
5079 check_header windows.h
5080 check_header X11/extensions/XvMClib.h
5081 check_header asm/types.h
5083 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
5084 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
5085 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5087 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
5089 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC"
5090 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
5091 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0600
5093 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
5095 if ! disabled w32threads && ! enabled pthreads; then
5096 check_func_headers "windows.h process.h" _beginthreadex &&
5097 enable w32threads || disable w32threads
5100 # check for some common methods of building with pthread support
5101 # do this before the optional library checks as some of them require pthreads
5102 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
5104 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
5106 add_extralibs -pthread
5107 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
5108 add_cflags -pthreads
5109 add_extralibs -pthreads
5110 elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then
5111 add_cflags -ldl -pthread
5112 add_extralibs -ldl -pthread
5113 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
5114 add_extralibs -lpthreadGC2
5115 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
5117 elif ! check_func pthread_join && ! check_func pthread_create; then
5120 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
5124 if enabled pthreads; then
5125 check_func pthread_cancel
5128 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
5129 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
5130 disabled lzma || check_lib2 lzma.h lzma_version_number -llzma || disable lzma
5132 check_lib math.h sin -lm && LIBM="-lm"
5133 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
5140 for func in $MATH_FUNCS; do
5141 eval check_mathfunc $func \${${func}_args:-1}
5144 # these are off by default, so fail if requested and not available
5145 enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; }
5146 enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||
5147 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }
5148 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
5149 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
5150 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
5151 enabled decklink && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }
5152 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
5153 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
5154 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
5155 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
5156 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
5157 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
5158 enabled libbluray && require_pkg_config libbluray libbluray/bluray.h bd_open
5159 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
5160 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
5161 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
5162 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
5163 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
5164 enabled libdcadec && require_pkg_config dcadec libdcadec/dca_context.h dcadec_context_create &&
5165 check_struct libdcadec/dca_context.h "struct dcadec_exss_info" matrix_encoding
5166 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
5167 enabled libfdk_aac && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
5168 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
5169 warn "using libfdk without pkg-config"; } }
5170 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"
5171 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
5172 enabled fontconfig && enable libfontconfig
5173 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
5174 enabled libfreetype && require_libfreetype
5175 enabled libfribidi && require_pkg_config fribidi fribidi.h fribidi_version_info
5176 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
5177 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
5178 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
5179 done || die "ERROR: libgsm not found"; }
5180 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
5181 enabled libkvazaar && require2 libkvazaar kvazaar.h kvz_api_get -lkvazaar
5182 enabled libmfx && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit
5183 enabled libmodplug && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load
5184 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
5185 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
5186 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
5187 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
5188 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
5189 enabled libopenh264 && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion
5190 enabled libopenjpeg && { check_lib openjpeg.h opj_version -lopenmj2 -DOPJ_STATIC ||
5191 check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
5192 check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
5193 die "ERROR: libopenjpeg not found"; }
5194 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
5195 enabled libpulse && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new
5196 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
5197 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
5198 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
5199 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
5200 enabled libsmbclient && { use_pkg_config smbclient libsmbclient.h smbc_init ||
5201 require smbclient libsmbclient.h smbc_init -lsmbclient; }
5202 enabled libsnappy && require snappy snappy-c.h snappy_compress -lsnappy
5203 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
5204 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
5205 enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
5206 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
5207 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
5208 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
5209 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
5210 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
5211 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
5212 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
5213 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
5214 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
5215 enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
5216 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
5217 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
5218 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
5221 enabled libvpx_vp8_decoder && {
5222 use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
5223 check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
5224 die "ERROR: libvpx decoder version must be >=0.9.1";
5226 enabled libvpx_vp8_encoder && {
5227 use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
5228 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
5229 die "ERROR: libvpx encoder version must be >=0.9.7";
5231 enabled libvpx_vp9_decoder && {
5232 use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
5233 check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx ||
5234 disable libvpx_vp9_decoder;
5236 enabled libvpx_vp9_encoder && {
5237 use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
5238 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx ||
5239 disable libvpx_vp9_encoder;
5241 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
5242 die "libvpx enabled but no supported decoders found"
5246 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
5247 enabled libwebp && {
5248 enabled libwebp_encoder && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
5249 enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }
5250 enabled libx264 && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||
5251 { require libx264 x264.h x264_encoder_encode -lx264 &&
5252 warn "using libx264 without pkg-config"; } } &&
5253 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
5254 die "ERROR: libx264 must be installed and version must be >= 0.118."; } &&
5255 { check_cpp_condition x264.h "X264_MPEG2" &&
5257 enabled libx265 && require_pkg_config x265 x265.h x265_api_get &&
5258 { check_cpp_condition x265.h "X265_BUILD >= 57" ||
5259 die "ERROR: libx265 version must be >= 57."; }
5260 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
5261 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
5262 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
5263 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
5264 enabled mmal && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
5265 { ! enabled cross_compile && {
5266 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;
5267 add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;
5268 check_lib interface/mmal/mmal.h mmal_port_connect ; }
5269 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||
5270 die "ERROR: mmal not found"; }
5271 enabled nvenc && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&
5272 { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" ||
5273 die "ERROR: NVENC API version 4 or older is not supported"; } &&
5274 { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }
5275 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
5276 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
5277 die "ERROR: openal not found"; } &&
5278 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
5279 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
5280 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
5281 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
5282 die "ERROR: opencl not found"; } &&
5283 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
5284 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
5285 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
5286 enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||
5287 check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
5288 check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
5289 check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
5290 die "ERROR: opengl not found."
5292 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
5293 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
5294 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
5295 die "ERROR: openssl not found"; }
5296 enabled qtkit_indev && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; }
5298 if enabled gnutls; then
5299 { check_lib2 gmp.h mpz_export -lgmp && enable gmp; } ||
5300 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
5304 if enabled libdc1394; then
5305 { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&
5306 enable libdc1394_2; } ||
5307 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
5308 enable libdc1394_1; } ||
5309 die "ERROR: No version of libdc1394 found "
5311 if ! disabled sdl; then
5312 SDL_CONFIG="${cross_prefix}sdl-config"
5313 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
5314 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5315 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5318 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5319 sdl_cflags=$("${SDL_CONFIG}" --cflags)
5320 sdl_libs=$("${SDL_CONFIG}" --libs)
5321 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
5322 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5323 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5325 elif enabled sdl ; then
5326 die "ERROR: SDL not found"
5332 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
5334 disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5335 check_lib2 "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5336 enable securetransport; }
5338 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
5340 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
5341 && enable makeinfo_html || disable makeinfo_html
5342 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
5343 perl -v > /dev/null 2>&1 && enable perl || disable perl
5344 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
5345 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
5347 check_header linux/fb.h
5348 check_header linux/videodev.h
5349 check_header linux/videodev2.h
5350 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5352 check_header sys/videoio.h
5353 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5355 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
5356 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
5357 # w32api 3.12 had it defined wrong
5358 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
5360 check_type "dshow.h" IBaseFilter
5362 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
5363 { check_header dev/bktr/ioctl_meteor.h &&
5364 check_header dev/bktr/ioctl_bt848.h; } ||
5365 { check_header machine/ioctl_meteor.h &&
5366 check_header machine/ioctl_bt848.h; } ||
5367 { check_header dev/video/meteor/ioctl_meteor.h &&
5368 check_header dev/video/bktr/ioctl_bt848.h; } ||
5369 check_header dev/ic/bt8xx.h
5371 check_header sndio.h
5372 if check_struct sys/soundcard.h audio_buf_info bytes; then
5373 enable_safe sys/soundcard.h
5375 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
5376 #include <sys/soundcard.h>
5380 check_header soundcard.h
5382 enabled_any alsa_indev alsa_outdev &&
5383 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
5385 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
5386 check_func jack_port_get_latency_range -ljack
5388 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
5390 if enabled libcdio; then
5391 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5392 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5393 die "ERROR: No usable libcdio/cdparanoia found"
5397 check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib
5399 if ! disabled libxcb; then
5400 check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {
5401 enabled libxcb && die "ERROR: libxcb >= 1.4 not found";
5402 } && disable x11grab && enable libxcb
5404 if enabled libxcb; then
5405 disabled libxcb_shm || {
5406 check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {
5407 enabled libxcb_shm && die "ERROR: libxcb_shm not found";
5408 } && check_header sys/shm.h && enable libxcb_shm; }
5410 disabled libxcb_xfixes || {
5411 check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {
5412 enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";
5413 } && enable libxcb_xfixes; }
5415 disabled libxcb_shape || {
5416 check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {
5417 enabled libxcb_shape && die "ERROR: libxcb_shape not found";
5418 } && enable libxcb_shape; }
5420 add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags
5421 add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs
5425 if enabled x11grab; then
5426 enabled xlib || die "ERROR: Xlib not found"
5427 require Xext X11/extensions/XShm.h XShmCreateImage -lXext
5428 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
5431 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
5433 enabled dxva2api_h &&
5434 check_cc <<EOF && enable dxva2api_cobj
5435 #define _WIN32_WINNT 0x0600
5437 #include <windows.h>
5439 #include <dxva2api.h>
5440 int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }
5444 check_lib va/va.h vaInitialize -lva ||
5447 enabled vaapi && enabled xlib &&
5448 check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&
5452 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
5455 enabled vdpau && enabled xlib &&
5456 check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
5457 prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&
5460 # Funny iconv installations are not unusual, so check it after all flags have been set
5461 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
5463 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
5465 # add some useful compiler flags if supported
5466 check_cflags -Wdeclaration-after-statement
5468 check_cflags -Wdisabled-optimization
5469 check_cflags -Wpointer-arith
5470 check_cflags -Wredundant-decls
5471 check_cflags -Wwrite-strings
5472 check_cflags -Wtype-limits
5473 check_cflags -Wundef
5474 check_cflags -Wmissing-prototypes
5475 check_cflags -Wno-pointer-to-int-cast
5476 check_cflags -Wstrict-prototypes
5477 check_cflags -Wempty-body
5478 enabled extra_warnings && check_cflags -Winline
5480 check_disable_warning(){
5481 warning_flag=-W${1#-Wno-}
5482 test_cflags $warning_flag && add_cflags $1
5485 check_disable_warning -Wno-parentheses
5486 check_disable_warning -Wno-switch
5487 check_disable_warning -Wno-format-zero-length
5488 check_disable_warning -Wno-pointer-sign
5490 # add some linker flags
5491 check_ldflags -Wl,--warn-common
5492 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
5493 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir
5494 enabled rpath && add_ldlibflags -Wl,-rpath,$libdir
5495 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
5497 # add some strip flags
5498 # -wN '..@*' is more selective than -x, but not available everywhere.
5499 check_stripflags -wN \'..@*\' || check_stripflags -x
5501 enabled neon_clobber_test &&
5502 check_ldflags -Wl,--wrap,avcodec_open2 \
5503 -Wl,--wrap,avcodec_decode_audio4 \
5504 -Wl,--wrap,avcodec_decode_video2 \
5505 -Wl,--wrap,avcodec_decode_subtitle2 \
5506 -Wl,--wrap,avcodec_encode_audio2 \
5507 -Wl,--wrap,avcodec_encode_video2 \
5508 -Wl,--wrap,avcodec_encode_subtitle \
5509 -Wl,--wrap,swr_convert \
5510 -Wl,--wrap,avresample_convert ||
5511 disable neon_clobber_test
5513 enabled xmm_clobber_test &&
5514 check_ldflags -Wl,--wrap,avcodec_open2 \
5515 -Wl,--wrap,avcodec_decode_audio4 \
5516 -Wl,--wrap,avcodec_decode_video2 \
5517 -Wl,--wrap,avcodec_decode_subtitle2 \
5518 -Wl,--wrap,avcodec_encode_audio2 \
5519 -Wl,--wrap,avcodec_encode_video \
5520 -Wl,--wrap,avcodec_encode_video2 \
5521 -Wl,--wrap,avcodec_encode_subtitle \
5522 -Wl,--wrap,swr_convert \
5523 -Wl,--wrap,avresample_convert \
5524 -Wl,--wrap,sws_scale ||
5525 disable xmm_clobber_test
5528 if test_ldflags -Wl,--version-script,$TMPV; then
5529 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
5530 check_cc <<EOF && enable symver_asm_label
5531 void ff_foo(void) __asm__ ("av_foo@VERSION");
5532 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
5534 check_cc <<EOF && enable symver_gnu_asm
5535 __asm__(".symver ff_foo,av_foo@VERSION");
5536 void ff_foo(void) {}
5540 if [ -z "$optflags" ]; then
5541 if enabled small; then
5542 optflags=$cflags_size
5543 elif enabled optimizations; then
5544 optflags=$cflags_speed
5546 optflags=$cflags_noopt
5552 enabled lto && check_ldflags "$@"
5556 if enabled lto; then
5557 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
5559 check_ldflags -flto $cpuflags
5560 disable inline_asm_direct_symbol_refs
5563 check_optflags $optflags
5564 check_optflags -fno-math-errno
5565 check_optflags -fno-signed-zeros
5567 enabled ftrapv && check_cflags -ftrapv
5569 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
5574 if enabled icc; then
5575 # Just warnings, no remarks
5577 # -wd: Disable following warnings
5578 # 144, 167, 556: -Wno-pointer-sign
5579 # 188: enumerated type mixed with another type
5580 # 1292: attribute "foo" ignored
5581 # 1419: external declaration in primary source file
5582 # 10006: ignoring unknown option -fno-signed-zeros
5583 # 10148: ignoring unknown option -Wno-parentheses
5584 # 10156: ignoring option '-W'; no argument required
5585 # 13200: No EMMS instruction before call to function
5586 # 13203: No EMMS instruction before return from function
5587 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
5588 # 11030: Warning unknown option --as-needed
5589 # 10156: ignoring option '-export'; no argument required
5590 check_ldflags -wd10156,11030
5591 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
5592 enable ebp_available
5593 # The test above does not test linking
5594 enabled lto && disable symver_asm_label
5595 if enabled x86_32; then
5596 icc_version=$($cc -dumpversion)
5597 test ${icc_version%%.*} -ge 11 &&
5598 check_cflags -falign-stack=maintain-16-byte ||
5599 disable aligned_stack
5601 elif enabled ccc; then
5602 # disable some annoying warnings
5603 add_cflags -msg_disable bitnotint
5604 add_cflags -msg_disable mixfuncvoid
5605 add_cflags -msg_disable nonstandcast
5606 add_cflags -msg_disable unsupieee
5607 elif enabled gcc; then
5608 check_optflags -fno-tree-vectorize
5609 check_cflags -Werror=format-security
5610 check_cflags -Werror=implicit-function-declaration
5611 check_cflags -Werror=missing-prototypes
5612 check_cflags -Werror=return-type
5613 check_cflags -Werror=vla
5614 check_cflags -Wformat
5615 check_cflags -fdiagnostics-color=auto
5616 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
5617 elif enabled llvm_gcc; then
5618 check_cflags -mllvm -stack-alignment=16
5619 elif enabled clang; then
5620 check_cflags -mllvm -stack-alignment=16
5621 check_cflags -Qunused-arguments
5622 check_cflags -Werror=implicit-function-declaration
5623 check_cflags -Werror=missing-prototypes
5624 check_cflags -Werror=return-type
5625 elif enabled cparser; then
5626 add_cflags -Wno-missing-variable-declarations
5627 add_cflags -Wno-empty-statement
5628 elif enabled armcc; then
5629 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
5630 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
5631 # 2523: use of inline assembly is deprecated
5632 add_cflags -W${armcc_opt},--diag_suppress=2523
5633 add_cflags -W${armcc_opt},--diag_suppress=1207
5634 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
5635 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
5636 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
5637 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
5638 elif enabled tms470; then
5639 add_cflags -pds=824 -pds=837
5641 elif enabled pathscale; then
5642 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
5643 elif enabled_any msvc icl; then
5644 enabled x86_32 && disable aligned_stack
5645 enabled_all x86_32 debug && add_cflags -Oy-
5646 enabled debug && add_ldflags -debug
5647 enable pragma_deprecated
5648 if enabled icl; then
5649 # -Qansi-alias is basically -fstrict-aliasing, but does not work
5650 # (correctly) on icl 13.x.
5651 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
5652 add_cflags -Qansi-alias
5653 # Some inline asm is not compilable in debug
5654 if enabled debug; then
5655 disable ebp_available
5656 disable ebx_available
5659 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
5660 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
5665 add_asflags -Qunused-arguments
5671 check_ldflags -Qunused-arguments
5677 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
5680 add_cppflags -Dmain=plan9_main
5684 enable frame_thread_encoder
5686 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
5688 check_deps $CONFIG_LIST \
5693 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"
5696 if test $target_os = "haiku"; then
5698 disable posix_memalign
5701 enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&
5702 prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&
5705 ! enabled_any memalign posix_memalign aligned_malloc &&
5706 enabled simd_align_16 && enable memalign_hack
5709 # -> enable ${lib}_deps_${dep}
5710 # -> add $dep to ${lib}_deps only once
5714 enabled "${lib}_deps_${dep}" && return 0
5715 enable "${lib}_deps_${dep}"
5716 prepend "${lib}_deps" $dep
5719 # merge deps lib components
5720 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
5725 enabled $comp || continue
5726 eval "dep=\"\$${comp}_deps\""
5733 merge_deps libavfilter $FILTER_LIST
5735 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
5737 for thread in $THREADS_LIST; do
5738 if enabled $thread; then
5739 test -n "$thread_type" &&
5740 die "ERROR: Only one thread type must be selected." ||
5741 thread_type="$thread"
5745 enabled zlib && add_cppflags -DZLIB_CONST
5747 # conditional library dependencies, in linking order
5748 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
5749 enabled aresample_filter && prepend avfilter_deps "swresample"
5750 enabled asyncts_filter && prepend avfilter_deps "avresample"
5751 enabled atempo_filter && prepend avfilter_deps "avcodec"
5752 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
5753 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
5754 enabled elbg_filter && prepend avfilter_deps "avcodec"
5755 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
5756 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
5757 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
5758 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
5759 enabled pan_filter && prepend avfilter_deps "swresample"
5760 enabled pp_filter && prepend avfilter_deps "postproc"
5761 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
5762 enabled resample_filter && prepend avfilter_deps "avresample"
5763 enabled sab_filter && prepend avfilter_deps "swscale"
5764 enabled scale_filter && prepend avfilter_deps "swscale"
5765 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
5766 enabled smartblur_filter && prepend avfilter_deps "swscale"
5767 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
5768 enabled uspp_filter && prepend avfilter_deps "avcodec"
5770 enabled lavfi_indev && prepend avdevice_deps "avfilter"
5772 enabled opus_decoder && prepend avcodec_deps "swresample"
5776 eval "deps=\$$lib_deps"
5777 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
5781 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
5782 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
5784 map 'expand_deps $v' $LIBRARY_LIST
5786 echo "install prefix $prefix"
5787 echo "source path $source_path"
5788 echo "C compiler $cc"
5789 echo "C library $libc_type"
5790 if test "$host_cc" != "$cc"; then
5791 echo "host C compiler $host_cc"
5792 echo "host C library $host_libc_type"
5794 echo "ARCH $arch ($cpu)"
5795 if test "$build_suffix" != ""; then
5796 echo "build suffix $build_suffix"
5798 if test "$progs_suffix" != ""; then
5799 echo "progs suffix $progs_suffix"
5801 if test "$extra_version" != ""; then
5802 echo "version string suffix $extra_version"
5804 echo "big-endian ${bigendian-no}"
5805 echo "runtime cpu detection ${runtime_cpudetect-no}"
5806 if enabled x86; then
5807 echo "${yasmexe} ${yasm-no}"
5808 echo "MMX enabled ${mmx-no}"
5809 echo "MMXEXT enabled ${mmxext-no}"
5810 echo "3DNow! enabled ${amd3dnow-no}"
5811 echo "3DNow! extended enabled ${amd3dnowext-no}"
5812 echo "SSE enabled ${sse-no}"
5813 echo "SSSE3 enabled ${ssse3-no}"
5814 echo "AVX enabled ${avx-no}"
5815 echo "XOP enabled ${xop-no}"
5816 echo "FMA3 enabled ${fma3-no}"
5817 echo "FMA4 enabled ${fma4-no}"
5818 echo "i686 features enabled ${i686-no}"
5819 echo "CMOV is fast ${fast_cmov-no}"
5820 echo "EBX available ${ebx_available-no}"
5821 echo "EBP available ${ebp_available-no}"
5823 if enabled aarch64; then
5824 echo "NEON enabled ${neon-no}"
5825 echo "VFP enabled ${vfp-no}"
5827 if enabled arm; then
5828 echo "ARMv5TE enabled ${armv5te-no}"
5829 echo "ARMv6 enabled ${armv6-no}"
5830 echo "ARMv6T2 enabled ${armv6t2-no}"
5831 echo "VFP enabled ${vfp-no}"
5832 echo "NEON enabled ${neon-no}"
5833 echo "THUMB enabled ${thumb-no}"
5835 if enabled mips; then
5836 echo "MIPS FPU enabled ${mipsfpu-no}"
5837 echo "MIPS32R5 enabled ${mips32r5-no}"
5838 echo "MIPS64R6 enabled ${mips64r6-no}"
5839 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
5840 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
5841 echo "MIPS MSA enabled ${msa-no}"
5842 echo "LOONGSON MMI enabled ${mmi-no}"
5844 if enabled ppc; then
5845 echo "AltiVec enabled ${altivec-no}"
5846 echo "VSX enabled ${vsx-no}"
5847 echo "POWER8 enabled ${power8-no}"
5848 echo "PPC 4xx optimizations ${ppc4xx-no}"
5849 echo "dcbzl available ${dcbzl-no}"
5851 echo "debug symbols ${debug-no}"
5852 echo "strip symbols ${stripping-no}"
5853 echo "optimize for size ${small-no}"
5854 echo "optimizations ${optimizations-no}"
5855 echo "static ${static-no}"
5856 echo "shared ${shared-no}"
5857 echo "postprocessing support ${postproc-no}"
5858 echo "new filter support ${avfilter-no}"
5859 echo "network support ${network-no}"
5860 echo "threading support ${thread_type-no}"
5861 echo "safe bitstream reader ${safe_bitstream_reader-no}"
5862 echo "SDL support ${sdl-no}"
5863 echo "opencl enabled ${opencl-no}"
5864 echo "texi2html enabled ${texi2html-no}"
5865 echo "perl enabled ${perl-no}"
5866 echo "pod2man enabled ${pod2man-no}"
5867 echo "makeinfo enabled ${makeinfo-no}"
5868 echo "makeinfo supports HTML ${makeinfo_html-no}"
5869 test -n "$random_seed" &&
5870 echo "random seed ${random_seed}"
5873 echo "External libraries:"
5874 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
5877 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
5878 echo "Enabled ${type}s:"
5879 eval list=\$$(toupper $type)_LIST
5880 print_enabled '_*' $list | print_3_columns
5884 license="LGPL version 2.1 or later"
5885 if enabled nonfree; then
5886 license="nonfree and unredistributable"
5887 elif enabled gplv3; then
5888 license="GPL version 3 or later"
5889 elif enabled lgplv3; then
5890 license="LGPL version 3 or later"
5891 elif enabled gpl; then
5892 license="GPL version 2 or later"
5895 echo "License: $license"
5897 echo "Creating config.mak, config.h, and doc/config.texi..."
5899 test -e Makefile || echo "include $source_path/Makefile" > Makefile
5901 enabled stripping || strip="echo skipping strip"
5903 config_files="$TMPH config.mak doc/config.texi"
5905 cat > config.mak <<EOF
5906 # Automatically generated by configure - do not modify!
5907 ifndef FFMPEG_CONFIG_MAK
5909 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
5911 LIBDIR=\$(DESTDIR)$libdir
5912 SHLIBDIR=\$(DESTDIR)$shlibdir
5913 INCDIR=\$(DESTDIR)$incdir
5914 BINDIR=\$(DESTDIR)$bindir
5915 DATADIR=\$(DESTDIR)$datadir
5916 DOCDIR=\$(DESTDIR)$docdir
5917 MANDIR=\$(DESTDIR)$mandir
5918 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
5919 SRC_PATH=$source_path
5920 ifndef MAIN_MAKEFILE
5921 SRC_PATH:=\$(SRC_PATH:.%=..%)
5925 INTRINSICS=$intrinsics
5931 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
5933 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
5962 LDEXEFLAGS=$LDEXEFLAGS
5963 LDLIBFLAGS=$LDLIBFLAGS
5964 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
5965 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
5966 YASMFLAGS=$YASMFLAGS
5967 BUILDSUF=$build_suffix
5968 PROGSSUF=$progs_suffix
5976 EXTRA_VERSION=$extra_version
5979 CCDEP_FLAGS=$CCDEP_FLAGS
5981 ASDEP_FLAGS=$ASDEP_FLAGS
5982 CC_DEPFLAGS=$CC_DEPFLAGS
5983 AS_DEPFLAGS=$AS_DEPFLAGS
5986 HOSTCFLAGS=$host_cflags
5987 HOSTCPPFLAGS=$host_cppflags
5988 HOSTEXESUF=$HOSTEXESUF
5989 HOSTLDFLAGS=$host_ldflags
5992 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
5993 HOSTCCDEP=$HOSTCCDEP
5994 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
5995 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
5999 TARGET_EXEC=$target_exec $target_exec_args
6000 TARGET_PATH=$target_path
6001 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
6002 CFLAGS-ffplay=$sdl_cflags
6003 ZLIB=$($ldflags_filter -lz)
6004 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
6005 EXTRALIBS=$extralibs
6006 COMPAT_OBJS=$compat_objs
6009 LIBTARGET=${LIBTARGET}
6010 SLIBNAME=${SLIBNAME}
6011 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
6012 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
6013 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
6014 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
6015 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
6016 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
6017 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
6018 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
6019 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
6020 NOREDZONE_FLAGS=$noredzone_flags
6025 name=$(toupper $lcname)
6026 file=$source_path/$lcname/version.h
6027 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
6028 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
6029 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
6030 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
6031 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
6032 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
6035 map 'get_version $v' $LIBRARY_LIST
6037 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST
6039 print_program_libs(){
6040 eval "program_libs=\$${1}_libs"
6041 eval echo "LIBS-${1}=${program_libs}" >> config.mak
6044 map 'print_program_libs $v' $PROGRAM_LIST
6047 /* Automatically generated by configure - do not modify! */
6048 #ifndef FFMPEG_CONFIG_H
6049 #define FFMPEG_CONFIG_H
6050 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
6051 #define FFMPEG_LICENSE "$(c_escape $license)"
6052 #define CONFIG_THIS_YEAR 2015
6053 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
6054 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
6055 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
6056 #define av_restrict $_restrict
6057 #define EXTERN_PREFIX "${extern_prefix}"
6058 #define EXTERN_ASM ${extern_prefix}
6059 #define BUILDSUF "$build_suffix"
6060 #define SLIBSUF "$SLIBSUF"
6061 #define HAVE_MMX2 HAVE_MMXEXT
6062 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
6065 test -n "$assert_level" &&
6066 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
6068 test -n "$malloc_prefix" &&
6069 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
6071 if enabled yasm; then
6072 append config_files $TMPASM
6076 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
6082 echo "@c auto-generated by configure" > doc/config.texi
6084 print_config ARCH_ "$config_files" $ARCH_LIST
6085 print_config HAVE_ "$config_files" $HAVE_LIST
6086 print_config CONFIG_ "$config_files" $CONFIG_LIST \
6090 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
6091 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
6093 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
6094 cp_if_changed $TMPH config.h
6097 enabled yasm && cp_if_changed $TMPASM config.asm
6100 /* Generated by ffconf */
6101 #ifndef AVUTIL_AVCONFIG_H
6102 #define AVUTIL_AVCONFIG_H
6105 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
6107 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
6109 cp_if_changed $TMPH libavutil/avconfig.h
6111 if test -n "$WARNINGS"; then
6112 printf "\n$WARNINGS"
6113 enabled fatal_warnings && exit 1
6116 # build pkg-config files
6119 eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""
6122 pkgconfig_generate(){
6124 shortname=${name#lib}${build_suffix}
6128 requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))
6129 requires=${requires%, }
6130 enabled ${name#lib} || return 0
6132 cat <<EOF > $name/$name${build_suffix}.pc
6134 exec_prefix=\${prefix}
6139 Description: $comment
6141 Requires: $(enabled shared || echo $requires)
6142 Requires.private: $(enabled shared && echo $requires)
6144 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
6145 Libs.private: $(enabled shared && echo $libs)
6146 Cflags: -I\${includedir}
6149 mkdir -p doc/examples/pc-uninstalled
6150 includedir=${source_path}
6151 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
6152 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
6155 libdir=\${pcfiledir}/../../../$name
6156 includedir=${includedir}
6159 Description: $comment
6163 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
6164 Cflags: -I\${includedir}
6168 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBRT $LIBM"
6169 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs"
6170 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs"
6171 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs"
6172 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
6173 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" ""
6174 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$LIBM"
6175 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM"
6176 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM"