3 # FFmpeg configure script
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
10 # Prevent locale nonsense from breaking basic text processing.
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
23 (: ${foo%%bar}) 2> /dev/null
26 (: ${foo?}) 2> /dev/null
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
32 if test "0$FF_CONF_EXEC" -lt 1; then
34 try_exec bash "$0" "$@"
36 if test "0$FF_CONF_EXEC" -lt 2; then
38 try_exec ksh "$0" "$@"
40 if test "0$FF_CONF_EXEC" -lt 3; then
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --fatal-warnings fail if any configure warning is generated
82 --prefix=PREFIX install in PREFIX [$prefix]
83 --bindir=DIR install binaries in DIR [PREFIX/bin]
84 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
85 --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg]
86 --libdir=DIR install libs in DIR [PREFIX/lib]
87 --shlibdir=DIR install shared libs in DIR [LIBDIR]
88 --incdir=DIR install includes in DIR [PREFIX/include]
89 --mandir=DIR install man page in DIR [PREFIX/share/man]
90 --pkgconfigdir=DIR install pkg-config files in DIR [LIBDIR/pkgconfig]
91 --enable-rpath use rpath to allow installing libraries in paths
92 not part of the dynamic linker search path
93 use rpath when linking programs [USE WITH CARE]
96 --enable-gpl allow use of GPL code, the resulting libs
97 and binaries will be under GPL [no]
98 --enable-version3 upgrade (L)GPL to version 3 [no]
99 --enable-nonfree allow use of nonfree code, the resulting libs
100 and binaries will be unredistributable [no]
102 Configuration options:
103 --disable-static do not build static libraries [no]
104 --enable-shared build shared libraries [no]
105 --enable-small optimize for size instead of speed
106 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
107 --enable-gray enable full grayscale support (slower color)
108 --disable-swscale-alpha disable alpha channel support in swscale
109 --disable-all disable building components, libraries and programs
110 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
111 --enable-raise-major increase major version numbers in sonames [no]
114 --disable-programs do not build command line programs
115 --disable-ffmpeg disable ffmpeg build
116 --disable-ffplay disable ffplay build
117 --disable-ffprobe disable ffprobe build
118 --disable-ffserver disable ffserver build
120 Documentation options:
121 --disable-doc do not build documentation
122 --disable-htmlpages do not build HTML documentation pages
123 --disable-manpages do not build man documentation pages
124 --disable-podpages do not build POD documentation pages
125 --disable-txtpages do not build text documentation pages
128 --disable-avdevice disable libavdevice build
129 --disable-avcodec disable libavcodec build
130 --disable-avformat disable libavformat build
131 --disable-avutil disable libavutil build
132 --disable-swresample disable libswresample build
133 --disable-swscale disable libswscale build
134 --disable-postproc disable libpostproc build
135 --disable-avfilter disable libavfilter build
136 --enable-avresample enable libavresample build [no]
137 --disable-pthreads disable pthreads [autodetect]
138 --disable-w32threads disable Win32 threads [autodetect]
139 --disable-os2threads disable OS/2 threads [autodetect]
140 --disable-network disable network support [no]
141 --disable-dct disable DCT code
142 --disable-dwt disable DWT code
143 --disable-error-resilience disable error resilience code
144 --disable-lsp disable LSP code
145 --disable-lzo disable LZO decoder code
146 --disable-mdct disable MDCT code
147 --disable-rdft disable RDFT code
148 --disable-fft disable FFT code
149 --disable-faan disable floating point AAN (I)DCT code
150 --disable-pixelutils disable pixel utils in libavutil
152 Hardware accelerators:
153 --disable-d3d11va disable D3D11VA code [autodetect]
154 --disable-dxva2 disable DXVA2 code [autodetect]
155 --disable-vaapi disable VAAPI code [autodetect]
156 --disable-vda disable VDA code [autodetect]
157 --disable-vdpau disable VDPAU code [autodetect]
159 Individual component options:
160 --disable-everything disable all components listed below
161 --disable-encoder=NAME disable encoder NAME
162 --enable-encoder=NAME enable encoder NAME
163 --disable-encoders disable all encoders
164 --disable-decoder=NAME disable decoder NAME
165 --enable-decoder=NAME enable decoder NAME
166 --disable-decoders disable all decoders
167 --disable-hwaccel=NAME disable hwaccel NAME
168 --enable-hwaccel=NAME enable hwaccel NAME
169 --disable-hwaccels disable all hwaccels
170 --disable-muxer=NAME disable muxer NAME
171 --enable-muxer=NAME enable muxer NAME
172 --disable-muxers disable all muxers
173 --disable-demuxer=NAME disable demuxer NAME
174 --enable-demuxer=NAME enable demuxer NAME
175 --disable-demuxers disable all demuxers
176 --enable-parser=NAME enable parser NAME
177 --disable-parser=NAME disable parser NAME
178 --disable-parsers disable all parsers
179 --enable-bsf=NAME enable bitstream filter NAME
180 --disable-bsf=NAME disable bitstream filter NAME
181 --disable-bsfs disable all bitstream filters
182 --enable-protocol=NAME enable protocol NAME
183 --disable-protocol=NAME disable protocol NAME
184 --disable-protocols disable all protocols
185 --enable-indev=NAME enable input device NAME
186 --disable-indev=NAME disable input device NAME
187 --disable-indevs disable input devices
188 --enable-outdev=NAME enable output device NAME
189 --disable-outdev=NAME disable output device NAME
190 --disable-outdevs disable output devices
191 --disable-devices disable all devices
192 --enable-filter=NAME enable filter NAME
193 --disable-filter=NAME disable filter NAME
194 --disable-filters disable all filters
196 External library support:
197 --enable-avisynth enable reading of AviSynth script files [no]
198 --disable-bzlib disable bzlib [autodetect]
199 --enable-fontconfig enable fontconfig, useful for drawtext filter [no]
200 --enable-frei0r enable frei0r video filtering [no]
201 --enable-gnutls enable gnutls, needed for https support
202 if openssl is not used [no]
203 --disable-iconv disable iconv [autodetect]
204 --enable-ladspa enable LADSPA audio filtering [no]
205 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
206 --enable-libass enable libass subtitles rendering,
207 needed for subtitles and ass filter [no]
208 --enable-libbluray enable BluRay reading using libbluray [no]
209 --enable-libbs2b enable bs2b DSP library [no]
210 --enable-libcaca enable textual display using libcaca [no]
211 --enable-libcelt enable CELT decoding via libcelt [no]
212 --enable-libcdio enable audio CD grabbing with libcdio [no]
213 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
215 --enable-libdcadec enable DCA decoding via libdcadec [no]
216 --enable-libfaac enable AAC encoding via libfaac [no]
217 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
218 --enable-libflite enable flite (voice synthesis) support via libflite [no]
219 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
220 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
221 --enable-libgme enable Game Music Emu via libgme [no]
222 --enable-libgsm enable GSM de/encoding via libgsm [no]
223 --enable-libiec61883 enable iec61883 via libiec61883 [no]
224 --enable-libilbc enable iLBC de/encoding via libilbc [no]
225 --enable-libkvazaar enable HEVC encoding via libkvazaar [no]
226 --enable-libmfx enable HW acceleration through libmfx
227 --enable-libmodplug enable ModPlug via libmodplug [no]
228 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
229 --enable-libnut enable NUT (de)muxing via libnut,
230 native (de)muxer exists [no]
231 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
232 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
233 --enable-libopencv enable video filtering via libopencv [no]
234 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
235 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
236 --enable-libopus enable Opus de/encoding via libopus [no]
237 --enable-libpulse enable Pulseaudio input via libpulse [no]
238 --enable-libquvi enable quvi input via libquvi [no]
239 --enable-librtmp enable RTMP[E] support via librtmp [no]
240 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
241 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
242 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
243 --enable-libsnappy enable Snappy compression, needed for hap encoding [no]
244 --enable-libsoxr enable Include libsoxr resampling [no]
245 --enable-libspeex enable Speex de/encoding via libspeex [no]
246 --enable-libssh enable SFTP protocol via libssh [no]
247 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
248 --enable-libtheora enable Theora encoding via libtheora [no]
249 --enable-libtwolame enable MP2 encoding via libtwolame [no]
250 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
251 --enable-libv4l2 enable libv4l2/v4l-utils [no]
252 --enable-libvidstab enable video stabilization using vid.stab [no]
253 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
254 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
255 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
256 native implementation exists [no]
257 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
258 --enable-libwavpack enable wavpack encoding via libwavpack [no]
259 --enable-libwebp enable WebP encoding via libwebp [no]
260 --enable-libx264 enable H.264 encoding via x264 [no]
261 --enable-libx265 enable HEVC encoding via x265 [no]
262 --enable-libxavs enable AVS encoding via xavs [no]
263 --enable-libxcb enable X11 grabbing using XCB [autodetect]
264 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
265 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
266 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
267 --enable-libxvid enable Xvid encoding via xvidcore,
268 native MPEG-4/Xvid encoder exists [no]
269 --enable-libzmq enable message passing via libzmq [no]
270 --enable-libzvbi enable teletext support via libzvbi [no]
271 --disable-lzma disable lzma [autodetect]
272 --enable-decklink enable Blackmagick DeckLink I/O support [no]
273 --enable-mmal enable decoding via MMAL [no]
274 --enable-nvenc enable NVIDIA NVENC support [no]
275 --enable-openal enable OpenAL 1.1 capture support [no]
276 --enable-opencl enable OpenCL code
277 --enable-opengl enable OpenGL rendering [no]
278 --enable-openssl enable openssl, needed for https support
279 if gnutls is not used [no]
280 --disable-sdl disable sdl [autodetect]
281 --disable-securetransport disable Secure Transport, needed for TLS support
282 on OSX if openssl and gnutls are not used [autodetect]
283 --enable-x11grab enable X11 grabbing (legacy) [no]
284 --disable-xlib disable xlib [autodetect]
285 --disable-zlib disable zlib [autodetect]
288 --arch=ARCH select architecture [$arch]
289 --cpu=CPU select the minimum required CPU (affects
290 instruction selection, may crash on older CPUs)
291 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
292 --progs-suffix=SUFFIX program name suffix []
293 --enable-cross-compile assume a cross-compiler is used
294 --sysroot=PATH root of cross-build tree
295 --sysinclude=PATH location of cross-build system headers
296 --target-os=OS compiler targets OS [$target_os]
297 --target-exec=CMD command to run executables on target
298 --target-path=DIR path to view of build directory on target
299 --target-samples=DIR path to samples directory on target
300 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
301 --toolchain=NAME set tool defaults according to NAME
302 --nm=NM use nm tool NM [$nm_default]
303 --ar=AR use archive tool AR [$ar_default]
304 --as=AS use assembler AS [$as_default]
305 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
306 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
307 --cc=CC use C compiler CC [$cc_default]
308 --cxx=CXX use C compiler CXX [$cxx_default]
309 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
310 --ld=LD use linker LD [$ld_default]
311 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
312 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
313 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
314 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
315 --host-cc=HOSTCC use host C compiler HOSTCC
316 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
317 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
318 --host-ld=HOSTLD use host linker HOSTLD
319 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
320 --host-libs=HLIBS use libs HLIBS when linking for host
321 --host-os=OS compiler host OS [$target_os]
322 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
323 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
324 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
325 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
326 --extra-ldlibflags=ELDFLAGS add ELDFLAGS to LDLIBFLAGS [$LDLIBFLAGS]
327 --extra-libs=ELIBS add ELIBS [$ELIBS]
328 --extra-version=STRING version string suffix []
329 --optflags=OPTFLAGS override optimization-related compiler flags
330 --build-suffix=SUFFIX library name suffix []
331 --enable-pic build position-independent code
332 --enable-thumb compile for Thumb instruction set
333 --enable-lto use link-time optimization
334 --env="ENV=override" override the environment variables
336 Advanced options (experts only):
337 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
338 --disable-symver disable symbol versioning
339 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
340 --disable-safe-bitstream-reader
341 disable buffer boundary checking in bitreaders
342 (faster, but may crash)
343 --enable-memalign-hack emulate memalign, interferes with memory debuggers
344 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
346 Optimization options (experts only):
347 --disable-asm disable all assembly optimizations
348 --disable-altivec disable AltiVec optimizations
349 --disable-vsx disable VSX optimizations
350 --disable-power8 disable POWER8 optimizations
351 --disable-amd3dnow disable 3DNow! optimizations
352 --disable-amd3dnowext disable 3DNow! extended optimizations
353 --disable-mmx disable MMX optimizations
354 --disable-mmxext disable MMXEXT optimizations
355 --disable-sse disable SSE optimizations
356 --disable-sse2 disable SSE2 optimizations
357 --disable-sse3 disable SSE3 optimizations
358 --disable-ssse3 disable SSSE3 optimizations
359 --disable-sse4 disable SSE4 optimizations
360 --disable-sse42 disable SSE4.2 optimizations
361 --disable-avx disable AVX optimizations
362 --disable-xop disable XOP optimizations
363 --disable-fma3 disable FMA3 optimizations
364 --disable-fma4 disable FMA4 optimizations
365 --disable-avx2 disable AVX2 optimizations
366 --disable-armv5te disable armv5te optimizations
367 --disable-armv6 disable armv6 optimizations
368 --disable-armv6t2 disable armv6t2 optimizations
369 --disable-vfp disable VFP optimizations
370 --disable-neon disable NEON optimizations
371 --disable-inline-asm disable use of inline assembly
372 --disable-yasm disable use of nasm/yasm assembly
373 --disable-mips32r5 disable MIPS32R5 optimizations
374 --disable-mips64r6 disable MIPS64R6 optimizations
375 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
376 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
377 --disable-msa disable MSA optimizations
378 --disable-mipsfpu disable floating point MIPS optimizations
379 --disable-mmi disable Loongson SIMD optimizations
380 --disable-fast-unaligned consider unaligned accesses slow
382 Developer options (useful when working on FFmpeg itself):
383 --disable-debug disable debugging symbols
384 --enable-debug=LEVEL set the debug level [$debuglevel]
385 --disable-optimizations disable compiler optimizations
386 --enable-extra-warnings enable more compiler warnings
387 --disable-stripping disable stripping of executables and shared libraries
388 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
389 2 causes a slowdown at runtime.
390 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
391 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
392 leaks and errors, using the specified valgrind binary.
393 Cannot be combined with --target-exec
394 --enable-ftrapv Trap arithmetic overflows
395 --samples=PATH location of test samples for FATE, if not set use
396 \$FATE_SAMPLES at make invocation time.
397 --enable-neon-clobber-test check NEON registers for clobbering (should be
398 used only for debugging purposes)
399 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
400 should be used only for debugging purposes)
401 --enable-random randomly enable/disable components
403 --enable-random=LIST randomly enable/disable specific components or
404 --disable-random=LIST component groups. LIST is a comma-separated list
405 of NAME[:PROB] entries where NAME is a component
406 (group) and PROB the probability associated with
408 --random-seed=VALUE seed value for --enable/disable-random
409 --disable-valgrind-backtrace do not print a backtrace under Valgrind
410 (only applies to --disable-optimizations builds)
412 NOTE: Object files are built at the place where configure is launched.
420 echo "$@" >> $logfile
425 pr -n -t $1 >> $logfile
436 WARNINGS="${WARNINGS}WARNING: $*\n"
443 If you think configure made a mistake, make sure you are using the latest
444 version from Git. If the latest version fails, report the problem to the
445 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
447 if disabled logging; then
449 Rerun configure with logging enabled (do not use --disable-logging), and
450 include the log this produces with your report.
454 Include the log file "$logfile" produced by configure as this will help
461 # Avoid locale weirdness, besides we really just want to translate ASCII.
463 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
467 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
471 echo "$*" | sed 's/["\\]/\\\0/g'
475 v=$(echo "$1" | sed "s/'/'\\\\''/g")
476 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
481 echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
488 eval "case $v in $pat) echo $v ;; esac"
496 eval "case $v in $pat) ;; *) echo $v ;; esac"
503 for v; do eval $m; done
509 for v; do echo ${v}${suffix}; done
524 eval : \${$var:=$value}
529 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
535 eval $(sanitize_var_name "$var")='$*'
539 eval echo \$$(sanitize_var_name "$1")
544 eval level=\${${pvar}_level:=0}
545 eval ${pvar}_${level}="\$$pvar"
546 eval ${pvar}_level=$(($level+1))
552 eval level=\${${pvar}_level:-0}
553 test $level = 0 && continue
554 eval level=$(($level-1))
555 eval $pvar="\${${pvar}_${level}}"
556 eval ${pvar}_level=$level
557 eval unset ${pvar}_${level}
579 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
585 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
591 enabled $var && continue
592 eval sel="\$${var}_select"
593 eval sgs="\$${var}_suggest"
597 enable_deep_weak $sgs
609 disabled $var && continue
618 test "${1#!}" = "$1" && op== || op=!=
619 eval test "x\$${1#!}" $op "xyes"
623 test "${1#!}" = "$1" && op== || op=!=
624 eval test "x\$${1#!}" $op "xno"
629 enabled $opt || return 1
635 disabled $opt || return 1
641 enabled $opt && return 0
647 disabled $opt && return 0
654 eval : \${$opt:=\$${opt}_default}
662 [ $var = $value ] && return 0
670 enabled ${cfg}_checking && die "Circular dependency for $cfg."
671 disabled ${cfg}_checking && continue
672 enable ${cfg}_checking
675 eval dep_all="\$${cfg}_deps"
676 eval dep_any="\$${cfg}_deps_any"
677 eval dep_sel="\$${cfg}_select"
678 eval dep_sgs="\$${cfg}_suggest"
679 eval dep_ifa="\$${cfg}_if"
680 eval dep_ifn="\$${cfg}_if_any"
682 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
683 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
684 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
686 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
687 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
688 enabled_all $dep_all || disable $cfg
689 enabled_any $dep_any || disable $cfg
690 disabled_any $dep_sel && disable $cfg
692 if enabled $cfg; then
694 enable_deep_weak $dep_sgs
697 disable ${cfg}_checking
706 for cfg in $allopts; do
707 enabled $cfg || continue
708 eval dep_extralibs="\$${cfg}_extralibs"
709 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
717 map 'eval echo "$v \${$v:-no}"' "$@" |
718 awk "BEGIN { split(\"$files\", files) }
720 c = \"$pfx\" toupper(\$1);
726 if (file ~ /\\.h\$/) {
727 printf(\"#define %s %d\\n\", c, v) >>file;
728 } else if (file ~ /\\.asm\$/) {
729 printf(\"%%define %s %d\\n\", c, v) >>file;
730 } else if (file ~ /\\.mak\$/) {
731 n = -v ? \"\" : \"!\";
732 printf(\"%s%s=yes\\n\", n, c) >>file;
733 } else if (file ~ /\\.texi\$/) {
734 pre = -v ? \"\" : \"@c \";
737 gsub(/_/, \"-\", c2);
738 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
748 enabled $v && printf "%s\n" ${v%$suf};
755 eval "$var=\"\$$var $*\""
761 eval "$var=\"$* \$$var\""
767 for tok in $(eval echo \$$var); do
768 uniq_list="$(filter_out $tok $uniq_list) $tok"
770 eval "$var=\"${uniq_list}\""
778 append CFLAGS $($cflags_filter "$@")
782 append CXXFLAGS $($cflags_filter "$@")
786 append ASFLAGS $($asflags_filter "$@")
790 append LDFLAGS $($ldflags_filter "$@")
794 append LDEXEFLAGS $($ldflags_filter "$@")
798 append LDLIBFLAGS $($ldflags_filter "$@")
802 append ASMSTRIPFLAGS "$@"
806 prepend extralibs $($ldflags_filter "$@")
810 append host_cppflags "$@"
814 append host_cflags $($host_cflags_filter "$@")
818 append host_ldflags $($host_ldflags_filter "$@")
822 append compat_objs $1
824 map 'add_cppflags -D$v' "$@"
829 "$@" >> $logfile 2>&1
834 stat "$1" >> $logfile 2>&1
838 eval printf '%s\\n' $CC_O
842 eval printf '%s\\n' $CC_E
849 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
856 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
863 check_cmd $cc -Werror=missing-prototypes $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPM
870 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
874 eval printf '%s\\n' $AS_O
881 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
885 log check_inline_asm "$@"
890 check_cc "$@" <<EOF && enable $name
891 void foo(void){ __asm__ volatile($code); }
897 check_inline_asm ${1}_inline "\"$2\""
898 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
906 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
910 eval printf '%s\\n' $LD_O
917 flags=$(filter_out '-l*|*.so' $@)
918 libs=$(filter '-l*|*.so' $@)
919 check_$type $($cflags_filter $flags) || return
920 flags=$($ldflags_filter $flags)
921 libs=$($ldflags_filter $libs)
922 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
927 test "${hdr%.h}" = "${hdr}" &&
928 echo "#include $hdr" ||
929 echo "#include <$hdr>"
939 for hdr in $headers; do
942 echo "int main(void) { $code; return 0; }"
943 } | check_$check "$@"
947 log check_cppflags "$@"
948 check_cc "$@" <<EOF && append CPPFLAGS "$@"
955 set -- $($cflags_filter "$@")
962 log check_cflags "$@"
963 test_cflags "$@" && add_cflags "$@"
967 log check_cxxflags "$@"
968 set -- $($cflags_filter "$@")
969 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
975 log test_ldflags "$@"
976 check_ld "cc" "$@" <<EOF
977 int main(void){ return 0; }
982 log check_ldflags "$@"
983 test_ldflags "$@" && add_ldflags "$@"
987 log test_stripflags "$@"
988 # call check_cc to get a fresh TMPO
990 int main(void) { return 0; }
992 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
996 log check_stripflags "$@"
997 test_stripflags "$@" && add_stripflags "$@"
1001 log check_header "$@"
1004 disable_safe $header
1005 check_cpp "$@" <<EOF && enable_safe $header
1012 log check_header_oc "$@"
1016 disable_safe $header
1018 echo "#include <$header>"
1019 echo "int main(void) { return 0; }"
1020 } | check_oc && check_stat "$TMPO" && enable_safe $headers
1028 check_ld "cc" "$@" <<EOF && enable $func
1030 int main(void){ $func(); }
1035 log check_mathfunc "$@"
1039 test $narg = 2 && args="f, g" || args="f"
1041 check_ld "cc" "$@" <<EOF && enable $func
1043 float foo(float f, float g) { return $func($args); }
1044 int main(void){ return (int) foo; }
1048 check_func_headers(){
1049 log check_func_headers "$@"
1054 for hdr in $headers; do
1057 for func in $funcs; do
1058 echo "long check_$func(void) { return (long) $func; }"
1060 echo "int main(void) { return 0; }"
1061 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1064 check_class_headers_cpp(){
1065 log check_class_headers_cpp "$@"
1070 for hdr in $headers; do
1071 echo "#include <$hdr>"
1073 echo "int main(void) { "
1075 for class in $classes; do
1076 echo "$class obj$i;"
1080 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1083 check_cpp_condition(){
1084 log check_cpp_condition "$@"
1088 check_cpp "$@" <<EOF
1091 #error "unsatisfied condition: $condition"
1101 check_header $header && check_func $func "$@" && add_extralibs "$@"
1109 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1113 log check_lib_cpp "$@"
1117 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1121 log check_pkg_config "$@"
1127 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1128 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1129 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1130 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1131 set_safe "${pkg}_cflags" $pkg_cflags &&
1132 set_safe "${pkg}_libs" $pkg_libs
1136 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1142 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1143 # are safe but may not be available everywhere. Thus we use
1144 # raise(SIGTERM) instead. The check is run in a subshell so we
1145 # can redirect the "Terminated" message from the shell. SIGBUS
1146 # is not defined by standard C so it is used conditionally.
1148 (check_exec "$@") >> $logfile 2>&1 <<EOF
1150 static void sighandler(int sig){
1156 int (*func_ptr)(void) = foo;
1158 signal(SIGILL, sighandler);
1159 signal(SIGFPE, sighandler);
1160 signal(SIGSEGV, sighandler);
1162 signal(SIGBUS, sighandler);
1174 disable_safe "$type"
1175 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1179 log check_struct "$@"
1184 disable_safe "${struct}_${member}"
1185 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1186 enable_safe "${struct}_${member}"
1190 log check_builtin "$@"
1196 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1199 check_compile_assert(){
1200 log check_compile_assert "$@"
1206 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1214 check_lib $header $func "$@" || die "ERROR: $name not found"
1222 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1230 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1235 check_pkg_config "$@" || return 1
1236 add_cflags $(get_safe "${pkg}_cflags")
1237 add_extralibs $(get_safe "${pkg}_libs")
1240 require_pkg_config(){
1241 use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"
1244 require_libfreetype(){
1245 log require_libfreetype "$@"
1247 check_cmd $pkg_config --exists --print-errors $pkg \
1248 || die "ERROR: $pkg not found"
1249 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1250 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1252 echo "#include <ft2build.h>"
1253 echo "#include FT_FREETYPE_H"
1254 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1255 echo "int main(void) { return 0; }"
1256 } | check_ld "cc" $pkg_cflags $pkg_libs \
1257 && set_safe "${pkg}_cflags" $pkg_cflags \
1258 && set_safe "${pkg}_libs" $pkg_libs \
1259 || die "ERROR: $pkg not found"
1260 add_cflags $(get_safe "${pkg}_cflags")
1261 add_extralibs $(get_safe "${pkg}_libs")
1265 eval printf '%s\\n' $HOSTCC_E
1269 eval printf '%s\\n' $HOSTCC_O
1273 log check_host_cc "$@"
1276 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1280 log check_host_cpp "$@"
1283 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1286 check_host_cppflags(){
1287 log check_host_cppflags "$@"
1288 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1293 check_host_cflags(){
1294 log check_host_cflags "$@"
1295 set -- $($host_cflags_filter "$@")
1296 check_host_cc "$@" <<EOF && append host_cflags "$@"
1301 check_host_cpp_condition(){
1302 log check_host_cpp_condition "$@"
1306 check_host_cpp "$@" <<EOF
1309 #error "unsatisfied condition: $condition"
1317 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1321 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1322 mkdir -p "$(dirname $2)"
1326 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1327 # system-dependent things.
1344 avio_reading_example
1345 avio_list_dir_example
1346 decoding_encoding_example
1347 demuxing_decoding_example
1349 filter_audio_example
1350 filtering_audio_example
1351 filtering_video_example
1356 resampling_audio_example
1357 scaling_video_example
1358 transcode_aac_example
1362 EXTERNAL_LIBRARY_LIST="
1460 safe_bitstream_reader
1520 $EXTERNAL_LIBRARY_LIST
1528 incompatible_libav_abi
1590 ARCH_EXT_LIST_MIPS="
1600 ARCH_EXT_LIST_LOONGSON="
1606 ARCH_EXT_LIST_X86_SIMD="
1634 $ARCH_EXT_LIST_X86_SIMD
1644 $ARCH_EXT_LIST_LOONGSON
1660 atomic_compare_exchange
1666 sync_val_compare_and_swap
1677 incompatible_libav_abi
1686 cdio_paranoia_paranoia_h
1687 dev_bktr_ioctl_bt848_h
1688 dev_bktr_ioctl_meteor_h
1690 dev_video_bktr_ioctl_bt848_h
1691 dev_video_meteor_ioctl_meteor_h
1700 machine_ioctl_bt848_h
1701 machine_ioctl_meteor_h
1703 openjpeg_1_5_openjpeg_h
1771 GetProcessAffinityMask
1772 GetProcessMemoryInfo
1776 GetSystemTimeAsFileTime
1783 jack_port_get_latency_range
1798 SetConsoleTextAttribute
1799 SetConsoleCtrlHandler
1811 TOOLCHAIN_FEATURES="
1824 inline_asm_nonlocal_labels
1825 inline_asm_direct_symbol_refs
1836 CONDITION_VARIABLE_Ptr
1839 struct_dcadec_exss_info_matrix_encoding
1840 struct_group_source_req
1841 struct_ip_mreq_source
1844 struct_rusage_ru_maxrss
1845 struct_sctp_event_subscribe
1847 struct_sockaddr_sa_len
1848 struct_sockaddr_storage
1849 struct_stat_st_mtim_tv_nsec
1850 struct_v4l2_frmivalenum_discrete
1855 $(add_suffix _external $ARCH_EXT_LIST)
1856 $(add_suffix _inline $ARCH_EXT_LIST)
1889 # options emitted with CONFIG_ prefix but not available on the command line
1905 frame_thread_encoder
2042 # code dependency declarations
2044 # architecture extensions
2049 armv8_deps="aarch64"
2050 neon_deps_any="aarch64 arm"
2051 intrinsics_neon_deps="neon"
2052 vfp_deps_any="aarch64 arm"
2056 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2059 mipsdspr1_deps="mips"
2060 mipsdspr2_deps="mips"
2061 mips32r2_deps="mips"
2062 mips32r5_deps="mips"
2063 mips64r6_deps="mips"
2075 x86_64_select="i686"
2076 x86_64_suggest="fast_cmov"
2079 amd3dnowext_deps="amd3dnow"
2095 mmx_external_deps="yasm"
2096 mmx_inline_deps="inline_asm"
2097 mmx_suggest="mmx_external mmx_inline"
2099 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2100 eval dep=\$${ext}_deps
2101 eval ${ext}_external_deps='"${dep}_external"'
2102 eval ${ext}_inline_deps='"${dep}_inline"'
2103 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2106 aligned_stack_if_any="aarch64 ppc x86"
2107 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2108 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2109 fast_unaligned_if_any="aarch64 ppc x86"
2110 simd_align_16_if_any="altivec neon sse"
2112 # system capabilities
2113 symver_if_any="symver_asm_label symver_gnu_asm"
2114 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
2117 atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"
2118 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2119 atomics_win32_if="MemoryBarrier"
2120 atomics_native_if_any="$ATOMICS_LIST"
2121 w32threads_deps="atomics_native"
2122 threads_if_any="$THREADS_LIST"
2126 error_resilience_select="me_cmp"
2127 faandct_deps="faan fdctdsp"
2128 faanidct_deps="faan idctdsp"
2129 frame_thread_encoder_deps="encoders threads"
2130 intrax8_select="error_resilience"
2133 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2134 mpeg_er_select="error_resilience"
2135 mpegaudio_select="mpegaudiodsp"
2136 mpegaudiodsp_select="dct"
2137 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp videodsp"
2138 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2142 # decoders / encoders
2143 aac_decoder_select="imdct15 mdct sinewin"
2144 aac_fixed_decoder_select="mdct sinewin"
2145 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
2146 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2147 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2148 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2149 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2150 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2151 aic_decoder_select="golomb idctdsp"
2152 alac_encoder_select="lpc"
2153 als_decoder_select="bswapdsp"
2154 amrnb_decoder_select="lsp"
2155 amrwb_decoder_select="lsp"
2156 amv_decoder_select="sp5x_decoder exif"
2157 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2158 ape_decoder_select="bswapdsp llauddsp"
2159 apng_decoder_select="zlib"
2160 apng_encoder_select="huffyuvencdsp zlib"
2161 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2162 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2163 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2164 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2165 atrac1_decoder_select="mdct sinewin"
2166 atrac3_decoder_select="mdct"
2167 atrac3p_decoder_select="mdct sinewin"
2168 avrn_decoder_select="exif jpegtables"
2169 bink_decoder_select="blockdsp hpeldsp"
2170 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2171 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2172 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2173 cllc_decoder_select="bswapdsp"
2174 comfortnoise_encoder_select="lpc"
2175 cook_decoder_select="audiodsp mdct sinewin"
2176 cscd_decoder_select="lzo"
2177 cscd_decoder_suggest="zlib"
2178 dca_decoder_select="fmtconvert mdct"
2179 dds_decoder_select="texturedsp"
2180 dirac_decoder_select="dwt golomb videodsp mpegvideoenc"
2181 dnxhd_decoder_select="blockdsp idctdsp"
2182 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2183 dvvideo_decoder_select="dvprofile idctdsp"
2184 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2185 dxa_decoder_select="zlib"
2186 eac3_decoder_select="ac3_decoder"
2187 eac3_encoder_select="ac3_encoder"
2188 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2189 eatgq_decoder_select="aandcttables"
2190 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
2191 exr_decoder_select="zlib"
2192 ffv1_decoder_select="golomb rangecoder"
2193 ffv1_encoder_select="rangecoder"
2194 ffvhuff_decoder_select="huffyuv_decoder"
2195 ffvhuff_encoder_select="huffyuv_encoder"
2196 fic_decoder_select="golomb"
2197 flac_decoder_select="flacdsp golomb"
2198 flac_encoder_select="bswapdsp flacdsp golomb lpc"
2199 flashsv_decoder_select="zlib"
2200 flashsv_encoder_select="zlib"
2201 flashsv2_encoder_select="zlib"
2202 flashsv2_decoder_select="zlib"
2203 flv_decoder_select="h263_decoder"
2204 flv_encoder_select="h263_encoder"
2205 fourxm_decoder_select="blockdsp bswapdsp"
2206 fraps_decoder_select="bswapdsp huffman"
2207 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2208 g729_decoder_select="audiodsp"
2209 h261_decoder_select="mpeg_er mpegvideo"
2210 h261_encoder_select="aandcttables mpegvideoenc"
2211 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
2212 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2213 h263i_decoder_select="h263_decoder"
2214 h263p_decoder_select="h263_decoder"
2215 h263p_encoder_select="h263_encoder"
2216 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
2217 h264_decoder_suggest="error_resilience"
2218 h264_qsv_decoder_deps="libmfx"
2219 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2220 h264_qsv_encoder_deps="libmfx"
2221 h264_qsv_encoder_select="qsvenc"
2222 hap_decoder_select="snappy texturedsp"
2223 hap_encoder_deps="libsnappy"
2224 hap_encoder_select="texturedspenc"
2225 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2226 hevc_qsv_encoder_deps="libmfx"
2227 hevc_qsv_encoder_select="qsvenc"
2228 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2229 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
2230 iac_decoder_select="imc_decoder"
2231 imc_decoder_select="bswapdsp fft mdct sinewin"
2232 indeo3_decoder_select="hpeldsp"
2233 indeo4_decoder_select="ividsp"
2234 indeo5_decoder_select="ividsp"
2235 interplay_video_decoder_select="hpeldsp"
2236 jpegls_decoder_select="golomb mjpeg_decoder"
2237 jpegls_encoder_select="golomb"
2238 jv_decoder_select="blockdsp"
2239 lagarith_decoder_select="huffyuvdsp"
2240 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2241 loco_decoder_select="golomb"
2242 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2243 metasound_decoder_select="lsp mdct sinewin"
2244 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2245 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2246 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2247 mjpegb_decoder_select="mjpeg_decoder"
2248 mlp_decoder_select="mlp_parser"
2249 motionpixels_decoder_select="bswapdsp"
2250 mp1_decoder_select="mpegaudio"
2251 mp1float_decoder_select="mpegaudio"
2252 mp2_decoder_select="mpegaudio"
2253 mp2float_decoder_select="mpegaudio"
2254 mp3_decoder_select="mpegaudio"
2255 mp3adu_decoder_select="mpegaudio"
2256 mp3adufloat_decoder_select="mpegaudio"
2257 mp3float_decoder_select="mpegaudio"
2258 mp3on4_decoder_select="mpegaudio"
2259 mp3on4float_decoder_select="mpegaudio"
2260 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2261 mpc8_decoder_select="mpegaudiodsp"
2262 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2263 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2264 mpegvideo_decoder_select="error_resilience mpeg_er mpegvideo"
2265 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2266 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2267 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2268 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2269 mpeg2_qsv_encoder_deps="libmfx"
2270 mpeg2_qsv_encoder_select="qsvenc"
2271 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2272 mpeg4_encoder_select="h263_encoder"
2273 msa1_decoder_select="mss34dsp"
2274 msmpeg4v1_decoder_select="h263_decoder"
2275 msmpeg4v2_decoder_select="h263_decoder"
2276 msmpeg4v2_encoder_select="h263_encoder"
2277 msmpeg4v3_decoder_select="h263_decoder"
2278 msmpeg4v3_encoder_select="h263_encoder"
2279 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
2280 mts2_decoder_select="mss34dsp"
2281 mxpeg_decoder_select="mjpeg_decoder"
2282 nellymoser_decoder_select="mdct sinewin"
2283 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2284 nuv_decoder_select="idctdsp lzo"
2285 on2avc_decoder_select="mdct"
2286 opus_decoder_deps="swresample"
2287 opus_decoder_select="imdct15"
2288 png_decoder_select="zlib"
2289 png_encoder_select="huffyuvencdsp zlib"
2290 prores_decoder_select="blockdsp idctdsp"
2291 prores_encoder_select="fdctdsp"
2292 qcelp_decoder_select="lsp"
2293 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2294 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2295 ra_144_decoder_select="audiodsp"
2296 ralf_decoder_select="golomb"
2297 rawvideo_decoder_select="bswapdsp"
2298 rtjpeg_decoder_select="me_cmp"
2299 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2300 rv10_encoder_select="h263_encoder"
2301 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2302 rv20_encoder_select="h263_encoder"
2303 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2304 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2305 shorten_decoder_select="golomb"
2306 sipr_decoder_select="lsp"
2307 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2308 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2309 sonic_decoder_select="golomb rangecoder"
2310 sonic_encoder_select="golomb rangecoder"
2311 sonic_ls_encoder_select="golomb rangecoder"
2312 sp5x_decoder_select="mjpeg_decoder"
2313 svq1_decoder_select="hpeldsp"
2314 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2315 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2316 svq3_decoder_suggest="zlib"
2317 tak_decoder_select="audiodsp"
2318 tdsc_decoder_select="zlib mjpeg_decoder"
2319 theora_decoder_select="vp3_decoder"
2320 thp_decoder_select="mjpeg_decoder"
2321 tiff_decoder_suggest="zlib lzma"
2322 tiff_encoder_suggest="zlib"
2323 truehd_decoder_select="mlp_parser"
2324 truemotion2_decoder_select="bswapdsp"
2325 truespeech_decoder_select="bswapdsp"
2326 tscc_decoder_select="zlib"
2327 twinvq_decoder_select="mdct lsp sinewin"
2328 txd_decoder_select="texturedsp"
2329 utvideo_decoder_select="bswapdsp"
2330 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2331 vble_decoder_select="huffyuvdsp"
2332 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
2333 vc1image_decoder_select="vc1_decoder"
2334 vorbis_decoder_select="mdct"
2335 vorbis_encoder_select="mdct"
2336 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2337 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2338 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2339 vp6a_decoder_select="vp6_decoder"
2340 vp6f_decoder_select="vp6_decoder"
2341 vp7_decoder_select="h264pred videodsp"
2342 vp8_decoder_select="h264pred videodsp"
2343 vp9_decoder_select="videodsp vp9_parser"
2344 webp_decoder_select="vp8_decoder"
2345 wmalossless_decoder_select="llauddsp"
2346 wmapro_decoder_select="mdct sinewin wma_freqs"
2347 wmav1_decoder_select="mdct sinewin wma_freqs"
2348 wmav1_encoder_select="mdct sinewin wma_freqs"
2349 wmav2_decoder_select="mdct sinewin wma_freqs"
2350 wmav2_encoder_select="mdct sinewin wma_freqs"
2351 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2352 wmv1_decoder_select="h263_decoder"
2353 wmv1_encoder_select="h263_encoder"
2354 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"
2355 wmv2_encoder_select="h263_encoder"
2356 wmv3_decoder_select="vc1_decoder"
2357 wmv3image_decoder_select="wmv3_decoder"
2358 zerocodec_decoder_select="zlib"
2359 zlib_decoder_select="zlib"
2360 zlib_encoder_select="zlib"
2361 zmbv_decoder_select="zlib"
2362 zmbv_encoder_select="zlib"
2364 # hardware accelerators
2365 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2366 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2367 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2368 vaapi_deps="va_va_h"
2369 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2370 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2371 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2372 xvmc_deps="X11_extensions_XvMClib_h"
2374 h263_vaapi_hwaccel_deps="vaapi"
2375 h263_vaapi_hwaccel_select="h263_decoder"
2376 h263_vdpau_hwaccel_deps="vdpau"
2377 h263_vdpau_hwaccel_select="h263_decoder"
2378 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2379 h264_d3d11va_hwaccel_deps="d3d11va"
2380 h264_d3d11va_hwaccel_select="h264_decoder"
2381 h264_dxva2_hwaccel_deps="dxva2"
2382 h264_dxva2_hwaccel_select="h264_decoder"
2383 h264_mmal_decoder_deps="mmal"
2384 h264_mmal_hwaccel_deps="mmal"
2385 h264_mmal_decoder_select="h264_decoder"
2386 h264_mmal_encoder_deps="mmal"
2387 h264_qsv_hwaccel_deps="libmfx"
2388 h264_vaapi_hwaccel_deps="vaapi"
2389 h264_vaapi_hwaccel_select="h264_decoder"
2390 h264_vda_decoder_deps="vda"
2391 h264_vda_decoder_select="h264_decoder"
2392 h264_vda_hwaccel_deps="vda"
2393 h264_vda_hwaccel_select="h264_decoder"
2394 h264_vda_old_hwaccel_deps="vda"
2395 h264_vda_old_hwaccel_select="h264_decoder"
2396 h264_vdpau_decoder_deps="vdpau"
2397 h264_vdpau_decoder_select="h264_decoder"
2398 h264_vdpau_hwaccel_deps="vdpau"
2399 h264_vdpau_hwaccel_select="h264_decoder"
2400 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2401 hevc_d3d11va_hwaccel_select="hevc_decoder"
2402 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2403 hevc_dxva2_hwaccel_select="hevc_decoder"
2404 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2405 hevc_vdpau_hwaccel_select="hevc_decoder"
2406 mpeg_vdpau_decoder_deps="vdpau"
2407 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2408 mpeg_xvmc_hwaccel_deps="xvmc"
2409 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2410 mpeg1_vdpau_decoder_deps="vdpau"
2411 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2412 mpeg1_vdpau_hwaccel_deps="vdpau"
2413 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2414 mpeg1_xvmc_hwaccel_deps="xvmc"
2415 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2416 mpeg2_crystalhd_decoder_select="crystalhd"
2417 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2418 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2419 mpeg2_dxva2_hwaccel_deps="dxva2"
2420 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2421 mpeg2_vaapi_hwaccel_deps="vaapi"
2422 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2423 mpeg2_vdpau_hwaccel_deps="vdpau"
2424 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2425 mpeg2_xvmc_hwaccel_deps="xvmc"
2426 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2427 mpeg4_crystalhd_decoder_select="crystalhd"
2428 mpeg4_vaapi_hwaccel_deps="vaapi"
2429 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2430 mpeg4_vdpau_decoder_deps="vdpau"
2431 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2432 mpeg4_vdpau_hwaccel_deps="vdpau"
2433 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2434 msmpeg4_crystalhd_decoder_select="crystalhd"
2435 vc1_crystalhd_decoder_select="crystalhd"
2436 vc1_d3d11va_hwaccel_deps="d3d11va"
2437 vc1_d3d11va_hwaccel_select="vc1_decoder"
2438 vc1_dxva2_hwaccel_deps="dxva2"
2439 vc1_dxva2_hwaccel_select="vc1_decoder"
2440 vc1_vaapi_hwaccel_deps="vaapi"
2441 vc1_vaapi_hwaccel_select="vc1_decoder"
2442 vc1_vdpau_decoder_deps="vdpau"
2443 vc1_vdpau_decoder_select="vc1_decoder"
2444 vc1_vdpau_hwaccel_deps="vdpau"
2445 vc1_vdpau_hwaccel_select="vc1_decoder"
2446 wmv3_crystalhd_decoder_select="crystalhd"
2447 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2448 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2449 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2450 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2451 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2454 h264_parser_select="h264_decoder"
2455 hevc_parser_select="golomb"
2456 mpegvideo_parser_select="mpegvideo"
2457 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
2458 vc1_parser_select="mpegvideo startcode vc1_decoder"
2461 mjpeg2jpeg_bsf_select="jpegtables"
2463 # external libraries
2464 libaacplus_encoder_deps="libaacplus"
2465 libcelt_decoder_deps="libcelt"
2466 libdcadec_decoder_deps="libdcadec"
2467 libfaac_encoder_deps="libfaac"
2468 libfaac_encoder_select="audio_frame_queue"
2469 libfdk_aac_decoder_deps="libfdk_aac"
2470 libfdk_aac_encoder_deps="libfdk_aac"
2471 libfdk_aac_encoder_select="audio_frame_queue"
2472 libgme_demuxer_deps="libgme"
2473 libgsm_decoder_deps="libgsm"
2474 libgsm_encoder_deps="libgsm"
2475 libgsm_ms_decoder_deps="libgsm"
2476 libgsm_ms_encoder_deps="libgsm"
2477 libilbc_decoder_deps="libilbc"
2478 libilbc_encoder_deps="libilbc"
2479 libkvazaar_encoder_deps="libkvazaar"
2480 libmodplug_demuxer_deps="libmodplug"
2481 libmp3lame_encoder_deps="libmp3lame"
2482 libmp3lame_encoder_select="audio_frame_queue"
2483 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2484 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2485 libopencore_amrnb_encoder_select="audio_frame_queue"
2486 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2487 libopenh264_encoder_deps="libopenh264"
2488 libopenjpeg_decoder_deps="libopenjpeg"
2489 libopenjpeg_encoder_deps="libopenjpeg"
2490 libopus_decoder_deps="libopus"
2491 libopus_encoder_deps="libopus"
2492 libopus_encoder_select="audio_frame_queue"
2493 libquvi_demuxer_deps="libquvi"
2494 libschroedinger_decoder_deps="libschroedinger"
2495 libschroedinger_encoder_deps="libschroedinger"
2496 libshine_encoder_deps="libshine"
2497 libshine_encoder_select="audio_frame_queue"
2498 libspeex_decoder_deps="libspeex"
2499 libspeex_encoder_deps="libspeex"
2500 libspeex_encoder_select="audio_frame_queue"
2501 libstagefright_h264_decoder_deps="libstagefright_h264"
2502 libtheora_encoder_deps="libtheora"
2503 libtwolame_encoder_deps="libtwolame"
2504 libvo_aacenc_encoder_deps="libvo_aacenc"
2505 libvo_aacenc_encoder_select="audio_frame_queue"
2506 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2507 libvorbis_decoder_deps="libvorbis"
2508 libvorbis_encoder_deps="libvorbis"
2509 libvorbis_encoder_select="audio_frame_queue"
2510 libvpx_vp8_decoder_deps="libvpx"
2511 libvpx_vp8_encoder_deps="libvpx"
2512 libvpx_vp9_decoder_deps="libvpx"
2513 libvpx_vp9_encoder_deps="libvpx"
2514 libwavpack_encoder_deps="libwavpack"
2515 libwebp_encoder_deps="libwebp"
2516 libwebp_anim_encoder_deps="libwebp"
2517 libx262_encoder_deps="libx262"
2518 libx264_encoder_deps="libx264"
2519 libx264rgb_encoder_deps="libx264"
2520 libx264rgb_encoder_select="libx264_encoder"
2521 libx265_encoder_deps="libx265"
2522 libxavs_encoder_deps="libxavs"
2523 libxvid_encoder_deps="libxvid"
2524 libutvideo_decoder_deps="libutvideo"
2525 libutvideo_encoder_deps="libutvideo"
2526 libzvbi_teletext_decoder_deps="libzvbi"
2527 nvenc_encoder_deps="nvenc"
2528 nvenc_h264_encoder_deps="nvenc"
2529 nvenc_hevc_encoder_deps="nvenc"
2532 ac3_demuxer_select="ac3_parser"
2533 asf_demuxer_select="riffdec"
2534 asf_o_demuxer_select="riffdec"
2535 asf_muxer_select="riffenc"
2536 asf_stream_muxer_select="asf_muxer"
2537 avi_demuxer_select="riffdec exif"
2538 avi_muxer_select="riffenc"
2539 avisynth_demuxer_deps="avisynth"
2540 avisynth_demuxer_select="riffdec"
2541 caf_demuxer_select="riffdec"
2542 dash_muxer_select="mp4_muxer"
2543 dirac_demuxer_select="dirac_parser"
2544 dts_demuxer_select="dca_parser"
2545 dtshd_demuxer_select="dca_parser"
2546 dv_demuxer_select="dvprofile"
2547 dv_muxer_select="dvprofile"
2548 dxa_demuxer_select="riffdec"
2549 eac3_demuxer_select="ac3_parser"
2550 f4v_muxer_select="mov_muxer"
2551 flac_demuxer_select="flac_parser"
2552 hds_muxer_select="flv_muxer"
2553 hls_muxer_select="mpegts_muxer"
2554 image2_alias_pix_demuxer_select="image2_demuxer"
2555 image2_brender_pix_demuxer_select="image2_demuxer"
2556 ipod_muxer_select="mov_muxer"
2557 ismv_muxer_select="mov_muxer"
2558 libnut_demuxer_deps="libnut"
2559 libnut_muxer_deps="libnut"
2560 matroska_audio_muxer_select="matroska_muxer"
2561 matroska_demuxer_select="riffdec"
2562 matroska_demuxer_suggest="bzlib lzo zlib"
2563 matroska_muxer_select="riffenc"
2564 mmf_muxer_select="riffenc"
2565 mov_demuxer_select="riffdec"
2566 mov_demuxer_suggest="zlib"
2567 mov_muxer_select="riffenc rtpenc_chain"
2568 mp3_demuxer_select="mpegaudio_parser"
2569 mp4_muxer_select="mov_muxer"
2570 mpegts_muxer_select="adts_muxer latm_muxer"
2571 mpegtsraw_demuxer_select="mpegts_demuxer"
2572 mxf_d10_muxer_select="mxf_muxer"
2573 mxf_opatom_muxer_select="mxf_muxer"
2574 nut_muxer_select="riffenc"
2575 nuv_demuxer_select="riffdec"
2576 oga_muxer_select="ogg_muxer"
2577 ogg_demuxer_select="golomb"
2578 opus_muxer_select="ogg_muxer"
2579 psp_muxer_select="mov_muxer"
2580 rtp_demuxer_select="sdp_demuxer"
2581 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2582 rtsp_demuxer_select="http_protocol rtpdec"
2583 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2584 sap_demuxer_select="sdp_demuxer"
2585 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2586 sdp_demuxer_select="rtpdec"
2587 smoothstreaming_muxer_select="ismv_muxer"
2588 spdif_muxer_select="aac_parser"
2589 spx_muxer_select="ogg_muxer"
2590 tak_demuxer_select="tak_parser"
2591 tg2_muxer_select="mov_muxer"
2592 tgp_muxer_select="mov_muxer"
2593 vobsub_demuxer_select="mpegps_demuxer"
2594 w64_demuxer_select="wav_demuxer"
2595 w64_muxer_select="wav_muxer"
2596 wav_demuxer_select="riffdec"
2597 wav_muxer_select="riffenc"
2598 webm_muxer_select="riffenc"
2599 wtv_demuxer_select="riffdec"
2600 wtv_muxer_select="riffenc"
2601 xmv_demuxer_select="riffdec"
2602 xwma_demuxer_select="riffdec"
2605 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2606 alsa_outdev_deps="alsa_asoundlib_h"
2607 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2608 avfoundation_indev_select="avfoundation"
2609 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2610 caca_outdev_deps="libcaca"
2611 decklink_outdev_deps="decklink pthreads"
2612 decklink_outdev_extralibs="-lstdc++"
2613 decklink_indev_deps="decklink pthreads"
2614 decklink_indev_extralibs="-lstdc++"
2615 dshow_indev_deps="IBaseFilter"
2616 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
2617 dv1394_indev_deps="dv1394"
2618 dv1394_indev_select="dv_demuxer"
2619 fbdev_indev_deps="linux_fb_h"
2620 fbdev_outdev_deps="linux_fb_h"
2621 gdigrab_indev_deps="CreateDIBSection"
2622 gdigrab_indev_extralibs="-lgdi32"
2623 gdigrab_indev_select="bmp_decoder"
2624 iec61883_indev_deps="libiec61883"
2625 jack_indev_deps="jack_jack_h sem_timedwait"
2626 lavfi_indev_deps="avfilter"
2627 libcdio_indev_deps="libcdio"
2628 libdc1394_indev_deps="libdc1394"
2629 libv4l2_indev_deps="libv4l2"
2630 openal_indev_deps="openal"
2631 opengl_outdev_deps="opengl"
2632 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2633 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2634 pulse_indev_deps="libpulse"
2635 pulse_outdev_deps="libpulse"
2636 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2637 qtkit_indev_select="qtkit"
2638 sdl_outdev_deps="sdl"
2639 sndio_indev_deps="sndio_h"
2640 sndio_outdev_deps="sndio_h"
2641 v4l_indev_deps="linux_videodev_h"
2642 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2643 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2644 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2645 vfwcap_indev_extralibs="-lavicap32"
2646 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2647 xv_outdev_extralibs="-lXv -lX11 -lXext"
2648 x11grab_indev_deps="x11grab"
2649 x11grab_xcb_indev_deps="libxcb"
2652 bluray_protocol_deps="libbluray"
2653 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2654 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2655 ffrtmpcrypt_protocol_select="tcp_protocol"
2656 ffrtmphttp_protocol_deps="!librtmp_protocol"
2657 ffrtmphttp_protocol_select="http_protocol"
2658 ftp_protocol_select="tcp_protocol"
2659 gopher_protocol_select="network"
2660 http_protocol_select="tcp_protocol"
2661 httpproxy_protocol_select="tcp_protocol"
2662 https_protocol_select="tls_protocol"
2663 icecast_protocol_select="http_protocol"
2664 librtmp_protocol_deps="librtmp"
2665 librtmpe_protocol_deps="librtmp"
2666 librtmps_protocol_deps="librtmp"
2667 librtmpt_protocol_deps="librtmp"
2668 librtmpte_protocol_deps="librtmp"
2669 libsmbclient_protocol_deps="libsmbclient gplv3"
2670 libssh_protocol_deps="libssh"
2671 mmsh_protocol_select="http_protocol"
2672 mmst_protocol_select="network"
2673 rtmp_protocol_deps="!librtmp_protocol"
2674 rtmp_protocol_select="tcp_protocol"
2675 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2676 rtmps_protocol_deps="!librtmp_protocol"
2677 rtmps_protocol_select="tls_protocol"
2678 rtmpt_protocol_select="ffrtmphttp_protocol"
2679 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2680 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2681 rtp_protocol_select="udp_protocol"
2682 sctp_protocol_deps="struct_sctp_event_subscribe"
2683 sctp_protocol_select="network"
2684 srtp_protocol_select="rtp_protocol"
2685 tcp_protocol_select="network"
2686 tls_gnutls_protocol_deps="gnutls !tls_securetransport_protocol"
2687 tls_gnutls_protocol_select="tcp_protocol"
2688 tls_openssl_protocol_deps="openssl !tls_securetransport_protocol !tls_gnutls_protocol"
2689 tls_openssl_protocol_select="tcp_protocol"
2690 tls_securetransport_protocol_deps="securetransport"
2691 tls_securetransport_protocol_select="tcp_protocol"
2692 tls_protocol_deps_any="tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
2693 udp_protocol_select="network"
2694 udplite_protocol_select="network"
2695 unix_protocol_deps="sys_un_h"
2696 unix_protocol_select="network"
2699 amovie_filter_deps="avcodec avformat"
2700 aresample_filter_deps="swresample"
2701 ass_filter_deps="libass"
2702 asyncts_filter_deps="avresample"
2703 atempo_filter_deps="avcodec"
2704 atempo_filter_select="rdft"
2705 azmq_filter_deps="libzmq"
2706 blackframe_filter_deps="gpl"
2707 boxblur_filter_deps="gpl"
2708 bs2b_filter_deps="libbs2b"
2709 colormatrix_filter_deps="gpl"
2710 cover_rect_filter_deps="avcodec avformat gpl"
2711 cropdetect_filter_deps="gpl"
2712 delogo_filter_deps="gpl"
2713 deshake_filter_select="pixelutils"
2714 drawtext_filter_deps="libfreetype"
2715 ebur128_filter_deps="gpl"
2716 eq_filter_deps="gpl"
2717 fftfilt_filter_deps="avcodec"
2718 fftfilt_filter_select="rdft"
2719 flite_filter_deps="libflite"
2720 find_rect_filter_deps="avcodec avformat gpl"
2721 frei0r_filter_deps="frei0r dlopen"
2722 frei0r_src_filter_deps="frei0r dlopen"
2723 fspp_filter_deps="gpl"
2724 geq_filter_deps="gpl"
2725 histeq_filter_deps="gpl"
2726 hqdn3d_filter_deps="gpl"
2727 interlace_filter_deps="gpl"
2728 kerndeint_filter_deps="gpl"
2729 ladspa_filter_deps="ladspa dlopen"
2730 mcdeint_filter_deps="avcodec gpl"
2731 movie_filter_deps="avcodec avformat"
2732 mpdecimate_filter_deps="gpl"
2733 mpdecimate_filter_select="pixelutils"
2734 mptestsrc_filter_deps="gpl"
2735 negate_filter_deps="lut_filter"
2736 perspective_filter_deps="gpl"
2737 pp7_filter_deps="gpl"
2738 ocv_filter_deps="libopencv"
2739 owdenoise_filter_deps="gpl"
2740 pan_filter_deps="swresample"
2741 phase_filter_deps="gpl"
2742 pp_filter_deps="gpl postproc"
2743 pullup_filter_deps="gpl"
2744 removelogo_filter_deps="avcodec avformat swscale"
2745 repeatfields_filter_deps="gpl"
2746 resample_filter_deps="avresample"
2747 sab_filter_deps="gpl swscale"
2748 scale_filter_deps="swscale"
2749 select_filter_select="pixelutils"
2750 smartblur_filter_deps="gpl swscale"
2751 showcqt_filter_deps="avcodec"
2752 showcqt_filter_select="fft"
2753 showspectrum_filter_deps="avcodec"
2754 showspectrum_filter_select="rdft"
2755 spp_filter_deps="gpl avcodec"
2756 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
2757 stereo3d_filter_deps="gpl"
2758 subtitles_filter_deps="avformat avcodec libass"
2759 super2xsai_filter_deps="gpl"
2760 tinterlace_filter_deps="gpl"
2761 vidstabdetect_filter_deps="libvidstab"
2762 vidstabtransform_filter_deps="libvidstab"
2763 pixfmts_super2xsai_test_deps="super2xsai_filter"
2764 tinterlace_merge_test_deps="tinterlace_filter"
2765 tinterlace_pad_test_deps="tinterlace_filter"
2766 uspp_filter_deps="gpl avcodec"
2767 zmq_filter_deps="libzmq"
2768 zoompan_filter_deps="swscale"
2771 avio_reading="avformat avcodec avutil"
2772 avio_list_dir="avformat avutil"
2773 avcodec_example_deps="avcodec avutil"
2774 decoding_encoding_example_deps="avcodec avformat avutil"
2775 demuxing_decoding_example_deps="avcodec avformat avutil"
2776 extract_mvs_example_deps="avcodec avformat avutil"
2777 filter_audio_example_deps="avfilter avutil"
2778 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2779 filtering_video_example_deps="avfilter avcodec avformat avutil"
2780 metadata_example_deps="avformat avutil"
2781 muxing_example_deps="avcodec avformat avutil swscale"
2782 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2783 remuxing_example_deps="avcodec avformat avutil"
2784 resampling_audio_example_deps="avutil swresample"
2785 scaling_video_example_deps="avutil swscale"
2786 transcode_aac_example_deps="avcodec avformat swresample"
2787 transcoding_example_deps="avfilter avcodec avformat avutil"
2789 # libraries, in linking order
2790 avcodec_deps="avutil"
2791 avdevice_deps="avformat avcodec avutil"
2792 avfilter_deps="avutil"
2793 avformat_deps="avcodec avutil"
2794 avresample_deps="avutil"
2795 postproc_deps="avutil gpl"
2796 swresample_deps="avutil"
2797 swscale_deps="avutil"
2800 ffmpeg_deps="avcodec avfilter avformat swresample"
2801 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2803 setpts_filter trim_filter"
2804 ffplay_deps="avcodec avformat swscale swresample sdl"
2805 ffplay_libs='$sdl_libs'
2806 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
2807 ffprobe_deps="avcodec avformat"
2808 ffserver_deps="avformat fork sarestart"
2809 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2812 podpages_deps="perl"
2813 manpages_deps="perl pod2man"
2814 htmlpages_deps="perl"
2815 htmlpages_deps_any="makeinfo_html texi2html"
2816 txtpages_deps="perl makeinfo"
2817 doc_deps_any="manpages htmlpages podpages txtpages"
2819 # default parameters
2821 logfile="config.log"
2823 # installation paths
2824 prefix_default="/usr/local"
2825 bindir_default='${prefix}/bin'
2826 datadir_default='${prefix}/share/ffmpeg'
2827 docdir_default='${prefix}/share/doc/ffmpeg'
2828 incdir_default='${prefix}/include'
2829 libdir_default='${prefix}/lib'
2830 mandir_default='${prefix}/share/man'
2836 host_cc_default="gcc"
2838 doxygen_default="doxygen"
2843 pkg_config_default=pkg-config
2844 ranlib_default="ranlib"
2845 strip_default="strip"
2846 yasmexe_default="yasm"
2847 windres_default="windres"
2850 target_os_default=$(tolower $(uname -s))
2851 host_os=$target_os_default
2854 if test "$target_os_default" = aix; then
2855 arch_default=$(uname -p)
2856 strip_default="strip -X32_64"
2858 arch_default=$(uname -m)
2863 # configurable options
2864 enable $PROGRAM_LIST
2865 enable $DOCUMENT_LIST
2866 enable $EXAMPLE_LIST
2867 enable $(filter_out avresample $LIBRARY_LIST)
2873 enable faan faandct faanidct
2874 enable optimizations
2875 enable runtime_cpudetect
2876 enable safe_bitstream_reader
2878 enable swscale_alpha
2879 enable valgrind_backtrace
2881 sws_max_filter_size_default=256
2882 set_default sws_max_filter_size
2884 # Enable hwaccels by default.
2885 enable d3d11va dxva2 vaapi vda vdpau xvmc
2889 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2892 FULLNAME='$(NAME)$(BUILDSUF)'
2893 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2896 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2897 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2898 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2899 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2900 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2901 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2923 host_cflags_filter=echo
2924 host_ldflags_filter=echo
2926 target_path='$(CURDIR)'
2928 # since the object filename is not given with the -MM flag, the compiler
2929 # is only able to print the basename, and we must add the path ourselves
2930 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2934 if test -f configure; then
2937 source_path=$(cd $(dirname "$0"); pwd)
2938 echo "$source_path" | grep -q '[[:blank:]]' &&
2939 die "Out of tree builds are impossible with whitespace in source path."
2940 test -e "$source_path/config.h" &&
2941 die "Out of tree builds are impossible with config.h in source dir."
2948 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2954 file=$source_path/$3
2955 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2958 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2959 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2960 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2961 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2962 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2963 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2964 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2965 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2966 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2967 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2968 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2984 for n in $COMPONENT_LIST; do
2985 v=$(toupper ${n%s})_LIST
2987 eval ${n}_if_any="\$$v"
2990 enable $ARCH_EXT_LIST
2993 echo "Unknown option \"$1\"."
2994 echo "See $0 --help for available options."
2999 cat | tr ' ' '\n' | sort | pr -r -3 -t
3005 echo $* | sed s/$suffix//g | print_3_columns
3017 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3018 echo "prob ${prob:-0.5}"
3026 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3027 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3036 --extra-ldexeflags=*)
3037 add_ldexeflags $optval
3039 --extra-ldlibflags=*)
3040 add_ldlibflags $optval
3043 add_extralibs $optval
3046 disable $INDEV_LIST $OUTDEV_LIST
3049 debuglevel="$optval"
3052 disable $PROGRAM_LIST
3054 --disable-everything)
3055 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3058 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3059 disable $LIBRARY_LIST $PROGRAM_LIST doc
3061 --enable-random|--disable-random)
3062 action=${opt%%-random}
3063 do_random ${action#--} $COMPONENT_LIST
3065 --enable-random=*|--disable-random=*)
3066 action=${opt%%-random=*}
3067 do_random ${action#--} $optval
3069 --enable-*=*|--disable-*=*)
3070 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3071 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3072 eval list=\$$(toupper $thing)_LIST
3073 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3074 list=$(filter "$name" $list)
3075 [ "$list" = "" ] && warn "Option $opt did not match anything"
3078 --enable-?*|--disable-?*)
3079 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3080 if is_in $option $COMPONENT_LIST; then
3081 test $action = disable && action=unset
3082 eval $action \$$(toupper ${option%s})_LIST
3083 elif is_in $option $CMDLINE_SELECT; then
3090 NAME="${opt#--list-}"
3091 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3093 eval show_list $NAME \$$(toupper $NAME)_LIST
3095 --help|-h) show_help
3097 --fatal-warnings) enable fatal_warnings
3100 optname="${opt%%=*}"
3101 optname="${optname#--}"
3102 optname=$(echo "$optname" | sed 's/-/_/g')
3103 if is_in $optname $CMDLINE_SET; then
3104 eval $optname='$optval'
3105 elif is_in $optname $CMDLINE_APPEND; then
3106 append $optname "$optval"
3118 disabled logging && logfile=/dev/null
3120 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3123 test -n "$valgrind" && toolchain="valgrind-memcheck"
3125 case "$toolchain" in
3128 add_cflags -fsanitize=address
3129 add_ldflags -fsanitize=address
3133 add_cflags -fsanitize=thread -pie
3134 add_ldflags -fsanitize=thread -pie
3138 add_cflags -fsanitize=undefined
3139 add_ldflags -fsanitize=undefined
3143 add_cflags -fsanitize=address
3144 add_ldflags -fsanitize=address
3148 add_cflags -fsanitize=thread -pie -fPIC
3149 add_ldflags -fsanitize=thread -pie -fPIC
3153 add_cflags -fsanitize=undefined
3154 add_ldflags -fsanitize=undefined
3157 target_exec_default=${valgrind:-"valgrind"}
3158 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"
3161 target_exec_default=${valgrind:-"valgrind"}
3162 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3165 # Check whether the current MSVC version needs the C99 converter.
3166 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3167 # support enough of C99 to build ffmpeg. Default to the new
3168 # behaviour if the regexp was unable to match anything, since this
3169 # successfully parses the version number of existing supported
3170 # versions that require the converter (MSVC 2010 and 2012).
3171 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3172 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3175 cc_default="c99wrap cl"
3178 nm_default="dumpbin -symbols"
3180 target_os_default="win32"
3181 # Use a relative path for TMPDIR. This makes sure all the
3182 # ffconf temp files are written with a relative path, avoiding
3183 # issues with msys/win32 path conversion for MSVC parameters
3184 # such as -Fo<file> or -out:<file>.
3190 nm_default="dumpbin -symbols"
3192 target_os_default="win32"
3196 add_cflags -fprofile-arcs -ftest-coverage
3197 add_ldflags -fprofile-arcs -ftest-coverage
3200 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3201 add_cflags -fno-strict-overflow -fstack-protector-all
3202 add_ldflags -Wl,-z,relro -Wl,-z,now
3205 die "Unknown toolchain $toolchain"
3209 test -n "$cross_prefix" && enable cross_compile
3211 if enabled cross_compile; then
3212 test -n "$arch" && test -n "$target_os" ||
3213 die "Must specify target arch and OS when cross-compiling"
3216 ar_default="${cross_prefix}${ar_default}"
3217 cc_default="${cross_prefix}${cc_default}"
3218 cxx_default="${cross_prefix}${cxx_default}"
3219 nm_default="${cross_prefix}${nm_default}"
3220 pkg_config_default="${cross_prefix}${pkg_config_default}"
3221 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3222 ranlib_default="${cross_prefix}${ranlib_default} -D"
3224 ranlib_default="${cross_prefix}${ranlib_default}"
3226 strip_default="${cross_prefix}${strip_default}"
3227 windres_default="${cross_prefix}${windres_default}"
3229 sysinclude_default="${sysroot}/usr/include"
3231 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3232 target_exec target_os yasmexe
3233 enabled cross_compile || host_cc_default=$cc
3236 pkg_config_fail_message=""
3237 if ! $pkg_config --version >/dev/null 2>&1; then
3238 warn "$pkg_config not found, library detection may fail."
3240 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3241 pkg_config_fail_message="
3242 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3245 if test $doxygen != $doxygen_default && \
3246 ! $doxygen --version >/dev/null 2>&1; then
3247 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3252 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3256 EXESUF=$(exesuf $target_os)
3257 HOSTEXESUF=$(exesuf $host_os)
3259 # set temporary file name
3260 : ${TMPDIR:=$TEMPDIR}
3264 if [ -n "$tempprefix" ] ; then
3266 echo $tempprefix.${HOSTNAME}.${UID}
3268 elif ! check_cmd mktemp -u XXXXXX; then
3269 # simple replacement for missing mktemp
3270 # NOT SAFE FOR GENERAL USE
3272 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3277 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3278 (set -C; exec > $tmp) 2>/dev/null ||
3279 die "Unable to create temporary file in $TMPDIR."
3280 append TMPFILES $tmp
3284 trap 'rm -f -- $TMPFILES' EXIT
3289 tmpfile TMPE $EXESUF
3301 # make sure we can execute files in $TMPDIR
3302 cat > $TMPSH 2>> $logfile <<EOF
3305 chmod +x $TMPSH >> $logfile 2>&1
3306 if ! $TMPSH >> $logfile 2>&1; then
3308 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3309 variable to another directory and make sure that it is not mounted noexec.
3311 die "Sanity test failed."
3317 # Filter out MSVC cl.exe options from cflags that shouldn't
3318 # be passed to gas-preprocessor
3328 -std=c99) echo -c99 ;;
3329 -mcpu=*) echo -arch ${flag#*=} ;;
3330 -mieee) echo -ieee ;;
3331 -O*|-fast) echo $flag ;;
3332 -fno-math-errno) echo -assume nomath_errno ;;
3334 -Wall) echo -msg_enable level2 ;;
3335 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3336 -Wl,*) echo $flag ;;
3346 -Wno-switch) echo -Wno-switch-enum ;;
3347 -Wno-format-zero-length) ;;
3348 -Wdisabled-optimization) ;;
3349 -Wno-pointer-sign) echo -Wno-other ;;
3355 msvc_common_flags(){
3358 # In addition to specifying certain flags under the compiler
3359 # specific filters, they must be specified here as well or else the
3360 # generic catch all at the bottom will print the original flag.
3364 -fomit-frame-pointer) ;;
3368 -fno-signed-zeros) ;;
3372 -lz) echo zlib.lib ;;
3373 -lavifil32) echo vfw32.lib ;;
3374 -lavicap32) echo vfw32.lib user32.lib ;;
3375 -l*) echo ${flag#-l}.lib ;;
3376 -L*) echo -libpath:${flag#-L} ;;
3383 msvc_common_flags "$@"
3386 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3387 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3388 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3390 -wd4273 -wd4554 -wd4701 ;;
3396 msvc_common_flags "$@"
3399 # Despite what Intel's documentation says -Wall, which is supported
3400 # on Windows, does enable remarks so disable them here.
3401 -Wall) echo $flag -Qdiag-disable:remark ;;
3402 -std=c99) echo -Qstd=c99 ;;
3420 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3421 -fomit-frame-pointer) echo -Mnoframe ;;
3432 case "${flag#*=}" in
3433 native) echo -xtarget=native ;;
3434 v9|niagara) echo -xarch=sparc ;;
3435 ultrasparc) echo -xarch=sparcvis ;;
3436 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3437 i586|pentium) echo -xchip=pentium ;;
3438 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3439 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3440 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3441 pentium4*) echo -xtarget=pentium4 ;;
3442 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3443 *-sse3) echo -xarch=sse3 ;;
3444 core2) echo -xarch=ssse3 -xchip=core2 ;;
3445 bonnell) echo -xarch=ssse3 ;;
3446 corei7|nehalem) echo -xtarget=nehalem ;;
3447 westmere) echo -xtarget=westmere ;;
3448 silvermont) echo -xarch=sse4_2 ;;
3449 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3450 core-avx*|ivybridge|haswell|broadwell)
3452 amdfam10|barcelona) echo -xtarget=barcelona ;;
3453 btver1) echo -xarch=amdsse4a ;;
3454 btver2|bdver*) echo -xarch=avx ;;
3455 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3456 k8|opteron|athlon64|athlon-fx)
3457 echo -xarch=sse2a ;;
3458 athlon*) echo -xarch=pentium_proa ;;
3461 -std=c99) echo -xc99 ;;
3462 -fomit-frame-pointer) echo -xregs=frameptr ;;
3463 -fPIC) echo -KPIC -xcode=pic32 ;;
3464 -W*,*) echo $flag ;;
3465 -f*-*|-W*|-mimpure-text) ;;
3476 case "${flag#*=}" in
3477 armv7-a|cortex-a*) echo -mv=7a8 ;;
3478 armv7-r|cortex-r*) echo -mv=7r4 ;;
3479 armv7-m|cortex-m*) echo -mv=7m3 ;;
3480 armv6*|arm11*) echo -mv=6 ;;
3481 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3483 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3486 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3487 -mfpu=vfp) echo --float_support=vfpv2 ;;
3488 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3489 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3490 -msoft-float) echo --float_support=vfplib ;;
3491 -O[0-3]|-mf=*) echo $flag ;;
3493 -pds=*) echo $flag ;;
3494 -D*|-I*) echo $flag ;;
3495 --gcc|--abi=*) echo $flag ;;
3505 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3506 unset _ld_o _ldflags _ld_lib _ld_path
3507 unset _depflags _DEPCMD _DEPFLAGS
3510 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3511 true # no-op to avoid reading stdin in following checks
3512 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3514 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
3515 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
3516 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3519 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3521 gcc_version=$($_cc --version | head -n1)
3522 gcc_basever=$($_cc -dumpversion)
3523 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3524 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3525 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3526 if ! $_cc -dumpversion | grep -q '^2\.'; then
3527 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3531 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3533 _ident=$($_cc --version | head -n1)
3538 _flags_filter=icc_flags
3539 elif $_cc -v 2>&1 | grep -q xlc; then
3541 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3543 _cflags_size='-O5 -qcompact'
3544 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3546 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3548 _cflags_speed='-fast'
3550 _flags_filter=ccc_flags
3551 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3552 test -d "$sysroot" || die "No valid sysroot specified."
3554 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3555 armcc_conf="$PWD/armcc.conf"
3556 $_cc --arm_linux_configure \
3557 --arm_linux_config_file="$armcc_conf" \
3558 --configure_sysroot="$sysroot" \
3559 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3560 die "Error creating armcc configuration file."
3561 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3562 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3563 as_default="${cross_prefix}gcc"
3567 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3569 _ident=$($_cc -version | head -n1 | tr -s ' ')
3570 _flags='--gcc --abi=eabi -me'
3573 _depflags='-ppa -ppd=$(@:.o=.d)'
3574 _cflags_speed='-O3 -mf=5'
3575 _cflags_size='-O3 -mf=2'
3576 _flags_filter=tms470_flags
3577 elif $_cc -v 2>&1 | grep -q clang; then
3579 _ident=$($_cc --version | head -n1)
3580 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3583 elif $_cc -V 2>&1 | grep -q Sun; then
3585 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3586 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3587 _DEPFLAGS='-xM1 -xc99'
3590 _cflags_size='-O5 -xspace'
3591 _flags_filter=suncc_flags
3592 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3594 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3595 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3598 _flags_filter='filter_out -Wdisabled-optimization'
3599 elif $_cc -v 2>&1 | grep -q Open64; then
3601 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3602 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3605 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3606 elif $_cc -V 2>&1 | grep -q Portland; then
3608 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3609 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3610 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3611 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3613 _flags_filter=pgi_flags
3614 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3616 _ident=$($_cc | head -n1)
3617 # 4509: "This form of conditional instruction is deprecated"
3618 _flags="-nologo -ignore 4509"
3619 _flags_filter=armasm_flags
3620 elif $_cc 2>&1 | grep -q Intel; then
3622 _ident=$($_cc 2>&1 | head -n1)
3623 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3624 # Not only is O3 broken on 13.x+ but it is slower on all previous
3625 # versions (tested) as well.
3627 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3628 if $_cc 2>&1 | grep -q Linker; then
3635 _flags_filter=icl_flags
3637 _ld_path='-libpath:'
3638 # -Qdiag-error to make icl error when seeing certain unknown arguments
3639 _flags='-nologo -Qdiag-error:4044,10157'
3640 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3641 # with MSVC which enables it by default.
3642 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3644 elif $_cc 2>&1 | grep -q Microsoft; then
3646 _ident=$($_cc 2>&1 | head -n1)
3647 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3648 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3651 if $_cc 2>&1 | grep -q Linker; then
3658 _flags_filter=msvc_flags
3660 _ld_path='-libpath:'
3662 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3664 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3666 _ident=$($_cc --version | head -n1)
3670 _flags_filter=cparser_flags
3673 eval ${pfx}_type=\$_type
3674 eval ${pfx}_ident=\$_ident
3678 eval ${1}_C=\${_cc_c-\${${1}_C}}
3679 eval ${1}_E=\${_cc_e-\${${1}_E}}
3680 eval ${1}_O=\${_cc_o-\${${1}_O}}
3682 if [ -n "$_depflags" ]; then
3683 eval ${1}_DEPFLAGS=\$_depflags
3685 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3686 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3687 eval DEP${1}FLAGS=\$_flags
3692 cflags_filter=$_flags_filter
3693 cflags_speed=$_cflags_speed
3694 cflags_size=$_cflags_size
3695 cflags_noopt=$_cflags_noopt
3696 add_cflags $_flags $_cflags
3697 cc_ldflags=$_ldflags
3700 probe_cc hostcc "$host_cc"
3701 host_cflags_filter=$_flags_filter
3702 add_host_cflags $_flags $_cflags
3705 test -n "$cc_type" && enable $cc_type ||
3706 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3708 : ${as_default:=$cc}
3709 : ${dep_cc_default:=$cc}
3710 : ${ld_default:=$cc}
3711 : ${host_ld_default:=$host_cc}
3712 set_default ar as dep_cc ld host_ld windres
3715 asflags_filter=$_flags_filter
3716 add_asflags $_flags $_cflags
3720 ldflags_filter=$_flags_filter
3721 add_ldflags $_flags $_ldflags
3722 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3724 LD_LIB=${_ld_lib-$LD_LIB}
3725 LD_PATH=${_ld_path-$LD_PATH}
3727 probe_cc hostld "$host_ld"
3728 host_ldflags_filter=$_flags_filter
3729 add_host_ldflags $_flags $_ldflags
3730 HOSTLD_O=${_ld_o-$HOSTLD_O}
3732 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3733 probe_cc depcc "$dep_cc"
3734 CCDEP=${_DEPCMD:-$DEPCMD}
3735 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3739 if $ar 2>&1 | grep -q Microsoft; then
3742 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3745 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3746 arflags='-Xany -r -c'
3748 elif $ar 2>&1 | grep -q "\[D\] "; then
3756 add_cflags $extra_cflags
3757 add_cxxflags $extra_cxxflags
3758 add_asflags $extra_cflags
3760 if test -n "$sysroot"; then
3763 add_cppflags --sysroot="$sysroot"
3764 add_ldflags --sysroot="$sysroot"
3765 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
3766 add_cppflags -isysroot "$sysroot"
3767 add_ldflags -isysroot "$sysroot"
3770 add_cppflags -I"$sysinclude"
3771 add_ldflags --sysroot="$sysroot"
3776 if test "$cpu" = host; then
3777 enabled cross_compile &&
3778 die "--cpu=host makes no sense when cross-compiling."
3783 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3785 s/.*$1=\\([^ ]*\\).*/\\1/
3790 cpu=$(check_native -march || check_native -mcpu)
3794 test "${cpu:-host}" = host &&
3795 die "--cpu=host not supported with compiler $cc"
3798 # Deal with common $arch aliases
3812 "Power Macintosh"|ppc*|powerpc*)
3827 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3832 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3835 # Add processor-specific flags
3836 if enabled aarch64; then
3840 cpuflags="-march=$cpu"
3843 cpuflags="-mcpu=$cpu"
3847 elif enabled alpha; then
3849 cpuflags="-mcpu=$cpu"
3851 elif enabled arm; then
3854 check_cpp_condition stddef.h \
3855 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3860 if check_arm_arch 4; then echo armv4;
3861 elif check_arm_arch 4T; then echo armv4t;
3862 elif check_arm_arch 5; then echo armv5;
3863 elif check_arm_arch 5E; then echo armv5e;
3864 elif check_arm_arch 5T; then echo armv5t;
3865 elif check_arm_arch 5TE; then echo armv5te;
3866 elif check_arm_arch 5TEJ; then echo armv5te;
3867 elif check_arm_arch 6; then echo armv6;
3868 elif check_arm_arch 6J; then echo armv6j;
3869 elif check_arm_arch 6K; then echo armv6k;
3870 elif check_arm_arch 6Z; then echo armv6z;
3871 elif check_arm_arch 6ZK; then echo armv6zk;
3872 elif check_arm_arch 6T2; then echo armv6t2;
3873 elif check_arm_arch 7; then echo armv7;
3874 elif check_arm_arch 7A 7_A; then echo armv7-a;
3875 elif check_arm_arch 7S; then echo armv7-a;
3876 elif check_arm_arch 7R 7_R; then echo armv7-r;
3877 elif check_arm_arch 7M 7_M; then echo armv7-m;
3878 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3879 elif check_arm_arch 8A 8_A; then echo armv8-a;
3883 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3887 cpuflags="-march=$cpu"
3888 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3891 cpuflags="-mcpu=$cpu"
3893 cortex-a*) subarch=armv7a ;;
3894 cortex-r*) subarch=armv7r ;;
3895 cortex-m*) enable thumb; subarch=armv7m ;;
3896 arm11*) subarch=armv6 ;;
3897 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3898 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3899 *) subarch=$(probe_arm_arch) ;;
3905 armv5t*) enable fast_clz ;;
3908 disabled fast_unaligned || enable fast_unaligned
3912 elif enabled avr32; then
3917 cpuflags="-mpart=$cpu"
3921 cpuflags="-march=$cpu"
3925 cpuflags="-mcpu=$cpu"
3929 cpuflags="-march=$cpu"
3933 elif enabled bfin; then
3935 cpuflags="-mcpu=$cpu"
3937 elif enabled mips; then
3939 cpuflags="-march=$cpu"
3964 24kef*|34kf*|1004kf*)
3986 check_cflags "-mtune=p5600"
3994 check_cflags "-mtune=i6400 -mabi=64"
3995 check_ldflags "-mabi=64"
4005 enable local_aligned_8 local_aligned_16 local_aligned_32
4006 enable simd_align_16
4010 enable fast_unaligned
4011 disable aligned_stack
4014 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4017 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4020 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4031 elif enabled ppc; then
4035 case $(tolower $cpu) in
4036 601|ppc601|powerpc601)
4037 cpuflags="-mcpu=601"
4040 603*|ppc603*|powerpc603*)
4041 cpuflags="-mcpu=603"
4044 604*|ppc604*|powerpc604*)
4045 cpuflags="-mcpu=604"
4048 g3|75*|ppc75*|powerpc75*)
4049 cpuflags="-mcpu=750"
4052 g4|745*|ppc745*|powerpc745*)
4053 cpuflags="-mcpu=7450"
4056 74*|ppc74*|powerpc74*)
4057 cpuflags="-mcpu=7400"
4060 g5|970|ppc970|powerpc970)
4061 cpuflags="-mcpu=970"
4065 cpuflags="-mcpu=$cpu"
4069 cpuflags="-mcpu=$cpu"
4072 cpuflags="-mcpu=cell"
4077 cpuflags="-mcpu=e500mc"
4081 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4086 cpuflags="-mcpu=8540 -mhard-float"
4092 elif enabled sparc; then
4095 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4096 cpuflags="-mcpu=$cpu"
4098 ultrasparc*|niagara[234])
4099 cpuflags="-mcpu=$cpu"
4103 elif enabled x86; then
4107 cpuflags="-march=$cpu"
4111 # targets that do NOT support nopl and conditional mov (cmov)
4112 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4113 cpuflags="-march=$cpu"
4116 # targets that do support nopl and conditional mov (cmov)
4117 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4118 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)
4119 cpuflags="-march=$cpu"
4123 # targets that do support conditional mov but on which it's slow
4124 pentium4|pentium4m|prescott|nocona)
4125 cpuflags="-march=$cpu"
4133 if [ "$cpu" != generic ]; then
4134 add_cflags $cpuflags
4135 add_asflags $cpuflags
4138 # compiler sanity check
4140 int main(void){ return 0; }
4142 if test "$?" != 0; then
4143 echo "$cc is unable to create an executable file."
4144 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4145 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4146 echo "Only do this if you know what cross compiling means."
4148 die "C compiler test failed."
4151 add_cppflags -D_ISOC99_SOURCE
4152 add_cxxflags -D__STDC_CONSTANT_MACROS
4153 check_cflags -std=c99
4154 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
4157 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
4161 add_host_cppflags -D_ISOC99_SOURCE
4162 check_host_cflags -std=c99
4163 check_host_cflags -Wall
4164 check_host_cflags -O3
4170 check_code cc "" "int test[2*($expr) - 1]" &&
4171 subarch=$arch64 || subarch=$arch32
4179 check_64bit mips mips64 '_MIPS_SIM > 1'
4183 check_64bit parisc parisc64 'sizeof(void *) > 4'
4187 check_64bit ppc ppc64 'sizeof(void *) > 4'
4191 check_64bit s390 s390x 'sizeof(void *) > 4'
4195 check_64bit sparc sparc64 'sizeof(void *) > 4'
4199 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4200 # Treat x32 as x64 for now. Note it also needs spic=$shared
4201 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4203 if test "$subarch" = "x86_64"; then
4208 check_cc <<EOF && subarch="ppc64"
4209 int test[(int)sizeof(char*) - 7];
4215 enabled spic && enable_weak pic
4221 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4222 enabled shared && add_ldflags -Wl,-brtl
4226 enable section_data_rel_ro
4227 SLIB_INSTALL_NAME='$(SLIBNAME)'
4229 # soname not set on purpose
4233 prefix_default="/boot/common"
4234 network_extralibs="-lnetwork"
4238 SHFLAGS='-shared -Wl,-h,$$(@F)'
4239 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
4240 network_extralibs="-lsocket -lnsl"
4241 add_cppflags -D__EXTENSIONS__
4242 # When using suncc to build, the Solaris linker will mark
4243 # an executable with each instruction set encountered by
4244 # the Solaris assembler. As our libraries contain their own
4245 # guards for processor-specific code, instead suppress
4246 # generation of the HWCAPS ELF section on Solaris x86 only.
4247 enabled_all suncc x86 &&
4248 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4249 add_ldflags -Wl,-M,mapfile
4250 nm_default='nm -P -g'
4254 oss_indev_extralibs="-lossaudio"
4255 oss_outdev_extralibs="-lossaudio"
4256 enabled gcc || check_ldflags -Wl,-zmuldefs
4261 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4263 oss_indev_extralibs="-lossaudio"
4264 oss_outdev_extralibs="-lossaudio"
4272 add_extralibs -lpoll -lgnugetopt
4276 enabled ppc && add_asflags -force_cpusubtype_ALL
4277 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4278 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4280 add_ldflags -Wl,-dynamic,-search_paths_first
4282 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4283 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4285 enabled x86_64 && objformat="macho64"
4286 enabled_any pic shared x86_64 ||
4287 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4290 if test $target_os = "mingw32ce"; then
4296 if enabled x86_64; then
4297 LIBTARGET="i386:x86-64"
4298 elif enabled arm; then
4301 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4302 check_ldflags -Wl,--nxcompat
4303 check_ldflags -Wl,--dynamicbase
4304 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4305 shlibdir_default="$bindir_default"
4308 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4309 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4310 dlltool="${cross_prefix}dlltool"
4311 if check_cmd lib.exe -list; then
4312 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4313 if enabled x86_64; then
4316 elif check_cmd $dlltool --version; then
4317 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4319 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4321 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4322 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4323 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
4330 if enabled shared; then
4331 # Link to the import library instead of the normal static library
4334 # Cannot build both shared and static libs with MSVC or icl.
4337 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
4338 shlibdir_default="$bindir_default"
4341 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4342 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4343 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4344 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4346 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4347 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4348 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4355 shlibdir_default="$bindir_default"
4358 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4359 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4360 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4362 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4363 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4366 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4368 *-dos|freedos|opendos)
4369 network_extralibs="-lsocket"
4372 add_cppflags -U__STRICT_ANSI__
4376 enable section_data_rel_ro
4380 ranlib="echo ignoring ranlib"
4386 add_cppflags -D_GNU_SOURCE
4387 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4388 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4392 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4393 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4394 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4395 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4396 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4397 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4398 emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'
4399 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4400 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4401 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4403 enable_weak os2threads
4406 add_cppflags -D_BSD_SOURCE
4411 add_cppflags -D_QNX_SOURCE
4412 network_extralibs="-lsocket"
4417 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4418 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4419 add_ldflags -Wl,--target1-abs,--no-undefined \
4420 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4421 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4422 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4423 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4424 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4427 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4432 add_cppflags -D_C99_SNPRINTF_EXTENSION \
4433 -D_REENTRANT_SOURCE \
4434 -D_RESEARCH_SOURCE \
4437 add_compat strtod.o strtod=avpriv_strtod
4438 network_extralibs='-lbsd'
4439 exeobjs=compat/plan9/main.o
4446 die "Unknown OS '$target_os'."
4450 # determine libc flavour
4455 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4456 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4457 eval ${pfx}libc_type=uclibc
4458 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4459 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4460 eval ${pfx}libc_type=glibc
4461 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4462 # MinGW headers can be installed on Cygwin, so check for newlib first.
4463 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4464 eval ${pfx}libc_type=newlib
4465 add_${pfx}cppflags -U__STRICT_ANSI__
4466 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4467 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4468 eval ${pfx}libc_type=mingw64
4469 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
4470 add_compat msvcrt/snprintf.o
4471 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
4473 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4474 eval test \$${pfx_no_}cc_type = "gcc" &&
4475 add_${pfx}cppflags -D__printf__=__gnu_printf__
4476 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4477 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4478 eval ${pfx}libc_type=mingw32
4479 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4480 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4481 die "ERROR: MinGW32 runtime version must be >= 3.15."
4482 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4483 eval test \$${pfx_no_}cc_type = "gcc" &&
4484 add_${pfx}cppflags -D__printf__=__gnu_printf__
4485 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4486 eval ${pfx}libc_type=msvcrt
4487 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
4488 if [ "$pfx" = host_ ]; then
4489 add_host_cppflags -Dsnprintf=_snprintf
4491 add_compat strtod.o strtod=avpriv_strtod
4492 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4493 _snprintf=avpriv_snprintf \
4494 vsnprintf=avpriv_vsnprintf
4497 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4498 # 0x601 by default unless something else is set by the user.
4499 # This can easily lead to us detecting functions only present
4500 # in such new versions and producing binaries requiring windows 7.0.
4501 # Therefore explicitly set the default to XP unless the user has
4502 # set something else on the command line.
4503 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4504 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
4505 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4506 eval ${pfx}libc_type=klibc
4507 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4508 eval ${pfx}libc_type=bionic
4509 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4510 eval ${pfx}libc_type=solaris
4511 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4513 check_${pfx}cc <<EOF
4515 void *v = localtime_r;
4517 test "$?" != 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
4519 void *v = localtime_r;
4525 test -n "$libc_type" && enable libc_$libc_type
4527 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4531 add_compat strtod.o strtod=avpriv_strtod
4535 # hacks for compiler/libc/os combinations
4537 if enabled_all tms470 libc_glibc; then
4538 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4539 add_cppflags -D__USER_LABEL_PREFIX__=
4540 add_cppflags -D__builtin_memset=memset
4541 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4542 add_cflags -pds=48 # incompatible redefinition of macro
4545 if enabled_all ccc libc_glibc; then
4546 add_ldflags -Wl,-z,now # calls to libots crash without this
4549 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4550 add_cppflags '-I\$(SRC_PATH)/compat/float'
4553 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4556 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
4558 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4561 : ${shlibdir_default:="$libdir"}
4562 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
4564 set_default $PATHS_LIST
4567 # we need to build at least one lib type
4568 if ! enabled_any static shared; then
4570 At least one library type must be built.
4571 Specify --enable-static to build the static libraries or --enable-shared to
4572 build the shared libraries as well. To only build the shared libraries specify
4573 --disable-static in addition to --enable-shared.
4578 die_license_disabled() {
4579 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
4582 die_license_disabled_gpl() {
4583 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
4586 die_license_disabled gpl frei0r
4587 die_license_disabled gpl libcdio
4588 die_license_disabled gpl libsmbclient
4589 die_license_disabled gpl libutvideo
4590 die_license_disabled gpl libvidstab
4591 die_license_disabled gpl libx264
4592 die_license_disabled gpl libx265
4593 die_license_disabled gpl libxavs
4594 die_license_disabled gpl libxvid
4595 die_license_disabled gpl libzvbi
4596 die_license_disabled gpl x11grab
4598 die_license_disabled nonfree libaacplus
4599 die_license_disabled nonfree libfaac
4600 die_license_disabled nonfree nvenc
4601 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
4602 enabled gpl && die_license_disabled_gpl nonfree openssl
4604 die_license_disabled version3 libopencore_amrnb
4605 die_license_disabled version3 libopencore_amrwb
4606 die_license_disabled version3 libsmbclient
4607 die_license_disabled version3 libvo_aacenc
4608 die_license_disabled version3 libvo_amrwbenc
4610 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4612 disabled optimizations || check_cflags -fomit-frame-pointer
4615 disabled pic && return
4618 case "$target_os" in
4628 enabled pic && enable_weak_pic
4630 check_cc <<EOF || die "Symbol mangling check failed."
4633 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4634 extern_prefix=${sym%%ff_extern*}
4636 check_cc <<EOF && enable_weak inline_asm
4637 void foo(void) { __asm__ volatile ("" ::); }
4641 for restrict_keyword in restrict __restrict__ __restrict; do
4642 check_cc <<EOF && _restrict=$restrict_keyword && break
4643 void foo(char * $restrict_keyword p);
4647 check_cc <<EOF && enable pragma_deprecated
4648 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4651 check_cc <<EOF && enable attribute_packed
4652 struct { int x; } __attribute__((packed)) x;
4655 check_cc <<EOF && enable attribute_may_alias
4656 union { int x; } __attribute__((may_alias)) x;
4659 check_cc <<EOF || die "endian test failed"
4660 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4662 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4664 if ! enabled ppc64 || enabled bigendian; then
4669 log "check_gas using '$as' as AS"
4670 # :vararg is used on aarch64, arm and ppc altivec
4671 check_as <<EOF || return 1
4672 .macro m n, y:vararg=0
4677 # .altmacro is only used in arm asm
4678 ! enabled arm || check_as <<EOF || return 1
4685 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
4687 enabled_any arm aarch64 && nogas=die
4688 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
4692 arm*) gaspp_as_type=armasm; as_noop=-h ;;
4693 gcc) gaspp_as_type=gas ;;
4694 *) gaspp_as_type=$as_type ;;
4697 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
4699 test "${as#*gas-preprocessor.pl}" != "$as" ||
4700 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
4701 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
4703 if ! check_gas ; then
4706 $nogas "GNU assembler not found, install/update gas-preprocessor"
4709 check_as <<EOF && enable as_func
4715 check_inline_asm inline_asm_labels '"1:\n"'
4717 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
4719 if enabled aarch64; then
4720 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
4721 # internal assembler in clang 3.3 does not support this instruction
4722 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
4723 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
4725 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4727 elif enabled alpha; then
4731 elif enabled arm; then
4733 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
4734 float func(float a, float b){ return a+b; }
4737 enabled thumb && check_cflags -mthumb || check_cflags -marm
4739 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4741 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
4742 case "${cross_prefix:-$cc}" in
4743 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4744 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4745 __asm__ (".eabi_attribute 28, 1");
4746 int main(void) { return 0; }
4749 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4752 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4753 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4754 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4755 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4756 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4757 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4758 enabled setend && check_insn setend 'setend be'
4760 [ $target_os = linux ] || [ $target_os = android ] ||
4761 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4764 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4766 check_as <<EOF && enable as_dn_directive
4771 # llvm's integrated assembler supports .object_arch from llvm 3.5
4772 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
4776 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4778 elif enabled mips; then
4780 enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'
4781 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
4782 enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'
4784 # Enable minimum ISA based on selected options
4785 if enabled mips64 && (enabled mipsdspr1 || enabled mipsdspr2); then
4786 add_cflags "-mips64r2"
4787 add_asflags "-mips64r2"
4788 elif enabled mips64 && enabled mipsfpu && disabled loongson2 && disabled loongson3; then
4789 add_cflags "-mips64"
4790 add_asflags "-mips64"
4791 elif enabled mipsdspr1 || enabled mipsdspr2; then
4792 add_cflags "-mips32r2 -mfp32"
4793 add_asflags "-mips32r2 -mfp32"
4794 elif enabled mips32r5 || enabled mips64r6; then
4795 check_cflags "-mfp64"
4796 check_ldflags "-mfp64"
4799 enabled mips32r5 && check_cflags "-mips32r5 -msched-weight -mload-store-pairs -funroll-loops" &&
4800 check_ldflags "-mips32r5" &&
4801 check_inline_asm mips32r5 '"ulw $t0, ($t1)"'
4802 enabled mips64r6 && check_cflags "-mips64r6 -msched-weight -mload-store-pairs -funroll-loops" &&
4803 check_ldflags "-mips64r6" &&
4804 check_inline_asm mips64r6 '"aui $t0, $t1, 1"'
4805 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
4806 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
4807 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
4808 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
4809 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
4810 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
4811 enabled msa && check_cflags "-mmsa" && check_ldflags "-mmsa" &&
4812 check_inline_asm msa '"addvi.b $w0, $w1, 1"'
4814 enabled mips32r5 && add_asflags "-mips32r5 -mfp64"
4815 enabled mips64r6 && add_asflags "-mips64r6 -mfp64"
4816 enabled msa && add_asflags "-mmsa"
4818 elif enabled parisc; then
4820 if enabled gcc; then
4821 case $($cc -dumpversion) in
4822 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
4826 elif enabled ppc; then
4828 enable local_aligned_8 local_aligned_16 local_aligned_32
4830 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4831 check_inline_asm ibm_asm '"add 0, 0, 0"'
4832 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4833 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4835 # AltiVec flags: The FSF version of GCC differs from the Apple version
4836 if enabled altivec; then
4837 check_cflags -maltivec -mabi=altivec &&
4838 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4839 check_cflags -faltivec
4841 # check if our compiler supports Motorola AltiVec C API
4842 check_cc <<EOF || disable altivec
4845 vector signed int v1 = (vector signed int) { 0 };
4846 vector signed int v2 = (vector signed int) { 1 };
4847 v1 = vec_add(v1, v2);
4852 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4855 if enabled vsx; then
4856 check_cflags -mvsx &&
4857 check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx
4860 if enabled power8; then
4861 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
4864 elif enabled x86; then
4866 check_builtin rdtsc intrin.h "__rdtsc()"
4867 check_builtin mm_empty mmintrin.h "_mm_empty()"
4869 enable local_aligned_8 local_aligned_16 local_aligned_32
4871 # check whether EBP is available on x86
4872 # As 'i' is stored on the stack, this program will crash
4873 # if the base pointer is used to access it because the
4874 # base pointer is cleared in the inline assembly code.
4875 check_exec_crash <<EOF && enable ebp_available
4877 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4881 # check whether EBX is available on x86
4882 check_inline_asm ebx_available '""::"b"(0)' &&
4883 check_inline_asm ebx_available '"":::"%ebx"'
4885 # check whether xmm clobbers are supported
4886 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4888 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
4889 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
4891 # check whether binutils is new enough to compile SSSE3/MMXEXT
4892 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4893 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4895 if ! disabled_any asm mmx yasm; then
4896 if check_cmd $yasmexe --version; then
4897 enabled x86_64 && yasm_extra="-m amd64"
4898 yasm_debug="-g dwarf2"
4899 elif check_cmd nasm -v; then
4901 yasm_debug="-g -F dwarf"
4902 if enabled x86_64; then
4903 case "$objformat" in
4904 elf) objformat=elf64 ;;
4905 win32) objformat=win64 ;;
4910 YASMFLAGS="-f $objformat $yasm_extra"
4911 enabled pic && append YASMFLAGS "-DPIC"
4912 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4913 case "$objformat" in
4914 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4917 check_yasm "movbe ecx, [5]" && enable yasm ||
4918 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4919 check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
4920 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
4921 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4922 check_yasm "CPU amdnop" || disable cpunop
4926 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4933 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
4935 check_ldflags -Wl,--as-needed
4936 check_ldflags -Wl,-z,noexecstack
4938 if check_func dlopen; then
4940 elif check_func dlopen -ldl; then
4944 frei0r_filter_extralibs='$ldl'
4945 frei0r_src_filter_extralibs='$ldl'
4946 ladspa_filter_extralibs='$ldl'
4947 nvenc_encoder_extralibs='$ldl'
4949 if ! disabled network; then
4950 check_func getaddrinfo $network_extralibs
4951 check_func getservbyport $network_extralibs
4952 check_func inet_aton $network_extralibs
4954 check_type netdb.h "struct addrinfo"
4955 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4956 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4957 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4958 check_type poll.h "struct pollfd"
4959 check_type netinet/sctp.h "struct sctp_event_subscribe"
4960 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4961 check_type netinet/in.h "struct sockaddr_in6"
4962 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4963 check_type "sys/types.h sys/socket.h" socklen_t
4965 # Prefer arpa/inet.h over winsock2
4966 if check_header arpa/inet.h ; then
4967 check_func closesocket
4968 elif check_header winsock2.h ; then
4969 check_func_headers winsock2.h closesocket -lws2 &&
4970 network_extralibs="-lws2" ||
4971 { check_func_headers winsock2.h closesocket -lws2_32 &&
4972 network_extralibs="-lws2_32"; } || disable winsock2_h network
4973 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4975 check_type ws2tcpip.h socklen_t
4976 check_type ws2tcpip.h "struct addrinfo"
4977 check_type ws2tcpip.h "struct group_source_req"
4978 check_type ws2tcpip.h "struct ip_mreq_source"
4979 check_type ws2tcpip.h "struct ipv6_mreq"
4980 check_type winsock2.h "struct pollfd"
4981 check_struct winsock2.h "struct sockaddr" sa_len
4982 check_type ws2tcpip.h "struct sockaddr_in6"
4983 check_type ws2tcpip.h "struct sockaddr_storage"
4989 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4990 check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"
4991 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4992 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4993 check_builtin sarestart signal.h "SA_RESTART"
4994 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4995 check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"
4996 check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"
4998 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4999 check_func ${malloc_prefix}memalign && enable memalign
5000 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
5003 check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
5006 check_func gethrtime
5008 check_func getrusage
5009 check_func gettimeofday
5011 check_func mach_absolute_time
5015 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
5016 check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
5017 check_func sched_getaffinity
5018 check_func setrlimit
5019 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
5020 check_func strerror_r
5025 check_func_headers conio.h kbhit
5026 check_func_headers io.h setmode
5027 check_func_headers lzo/lzo1x.h lzo1x_999_compress
5028 check_func_headers stdlib.h getenv
5030 check_func_headers windows.h CoTaskMemFree -lole32
5031 check_func_headers windows.h GetProcessAffinityMask
5032 check_func_headers windows.h GetProcessTimes
5033 check_func_headers windows.h GetSystemTimeAsFileTime
5034 check_func_headers windows.h MapViewOfFile
5035 check_func_headers windows.h PeekNamedPipe
5036 check_func_headers windows.h SetConsoleTextAttribute
5037 check_func_headers windows.h SetConsoleCtrlHandler
5038 check_func_headers windows.h Sleep
5039 check_func_headers windows.h VirtualAlloc
5040 check_struct windows.h "CONDITION_VARIABLE" Ptr
5041 check_func_headers glob.h glob
5043 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
5045 check_header direct.h
5046 check_header dlfcn.h
5047 check_header d3d11.h
5049 check_header dxva2api.h -D_WIN32_WINNT=0x0600
5051 check_header libcrystalhd/libcrystalhd_if.h
5052 check_header mach/mach_time.h
5053 check_header malloc.h
5054 check_header net/udplite.h
5056 check_header sys/mman.h
5057 check_header sys/param.h
5058 check_header sys/resource.h
5059 check_header sys/select.h
5060 check_header sys/time.h
5061 check_header sys/un.h
5062 check_header termios.h
5063 check_header unistd.h
5064 check_header valgrind/valgrind.h
5065 check_header vdpau/vdpau.h
5066 check_header vdpau/vdpau_x11.h
5067 check_header VideoDecodeAcceleration/VDADecoder.h
5068 check_header windows.h
5069 check_header X11/extensions/XvMClib.h
5070 check_header asm/types.h
5072 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
5073 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
5074 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5076 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
5078 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC"
5079 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
5080 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0600
5082 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
5084 if ! disabled w32threads && ! enabled pthreads; then
5085 check_func_headers "windows.h process.h" _beginthreadex &&
5086 enable w32threads || disable w32threads
5089 # check for some common methods of building with pthread support
5090 # do this before the optional library checks as some of them require pthreads
5091 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
5093 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
5095 add_extralibs -pthread
5096 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
5097 add_cflags -pthreads
5098 add_extralibs -pthreads
5099 elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then
5100 add_cflags -ldl -pthread
5101 add_extralibs -ldl -pthread
5102 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
5103 add_extralibs -lpthreadGC2
5104 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
5106 elif ! check_func pthread_join && ! check_func pthread_create; then
5109 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
5113 if enabled pthreads; then
5114 check_func pthread_cancel
5117 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
5118 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
5119 disabled lzma || check_lib2 lzma.h lzma_version_number -llzma || disable lzma
5121 check_lib math.h sin -lm && LIBM="-lm"
5122 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
5128 for func in $MATH_FUNCS; do
5129 eval check_mathfunc $func \${${func}_args:-1}
5132 # these are off by default, so fail if requested and not available
5133 enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; }
5134 enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||
5135 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }
5136 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
5137 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
5138 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
5139 enabled decklink && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }
5140 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
5141 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
5142 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
5143 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
5144 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
5145 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
5146 enabled libbluray && require_pkg_config libbluray libbluray/bluray.h bd_open
5147 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
5148 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
5149 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
5150 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
5151 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
5152 enabled libdcadec && require_pkg_config dcadec libdcadec/dca_context.h dcadec_context_create &&
5153 check_struct libdcadec/dca_context.h "struct dcadec_exss_info" matrix_encoding
5154 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
5155 enabled libfdk_aac && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
5156 { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&
5157 warn "using libfdk without pkg-config"; } }
5158 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"
5159 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
5160 enabled fontconfig && enable libfontconfig
5161 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
5162 enabled libfreetype && require_libfreetype
5163 enabled libfribidi && require_pkg_config fribidi fribidi.h fribidi_version_info
5164 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
5165 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
5166 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
5167 done || die "ERROR: libgsm not found"; }
5168 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
5169 enabled libkvazaar && require2 libkvazaar kvazaar.h kvz_api_get -lkvazaar
5170 enabled libmfx && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit
5171 enabled libmodplug && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load
5172 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
5173 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
5174 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
5175 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
5176 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
5177 enabled libopenh264 && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion
5178 enabled libopenjpeg && { check_lib openjpeg.h opj_version -lopenmj2 -DOPJ_STATIC ||
5179 check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
5180 check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
5181 die "ERROR: libopenjpeg not found"; }
5182 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
5183 enabled libpulse && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new
5184 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
5185 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
5186 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
5187 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
5188 enabled libsmbclient && { use_pkg_config smbclient libsmbclient.h smbc_init ||
5189 require smbclient libsmbclient.h smbc_init -lsmbclient; }
5190 enabled libsnappy && require snappy snappy-c.h snappy_compress -lsnappy
5191 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
5192 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
5193 enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
5194 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
5195 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
5196 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
5197 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
5198 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
5199 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
5200 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
5201 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
5202 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
5203 enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
5204 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
5205 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
5206 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
5209 enabled libvpx_vp8_decoder && {
5210 use_pkg_config "vpx >= 0.9.1" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
5211 check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
5212 die "ERROR: libvpx decoder version must be >=0.9.1";
5214 enabled libvpx_vp8_encoder && {
5215 use_pkg_config "vpx >= 0.9.7" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
5216 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
5217 die "ERROR: libvpx encoder version must be >=0.9.7";
5219 enabled libvpx_vp9_decoder && {
5220 use_pkg_config "vpx >= 1.3.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
5221 check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx ||
5222 disable libvpx_vp9_decoder;
5224 enabled libvpx_vp9_encoder && {
5225 use_pkg_config "vpx >= 1.3.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
5226 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx ||
5227 disable libvpx_vp9_encoder;
5229 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
5230 die "libvpx enabled but no supported decoders found"
5234 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
5235 enabled libwebp && {
5236 enabled libwebp_encoder && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
5237 enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }
5238 enabled libx264 && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||
5239 { require libx264 x264.h x264_encoder_encode -lx264 &&
5240 warn "using libx264 without pkg-config"; } } &&
5241 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
5242 die "ERROR: libx264 must be installed and version must be >= 0.118."; } &&
5243 { check_cpp_condition x264.h "X264_MPEG2" &&
5245 enabled libx265 && require_pkg_config x265 x265.h x265_api_get &&
5246 { check_cpp_condition x265.h "X265_BUILD >= 57" ||
5247 die "ERROR: libx265 version must be >= 57."; }
5248 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
5249 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
5250 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
5251 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
5252 enabled mmal && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
5253 { ! enabled cross_compile && {
5254 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;
5255 add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;
5256 check_lib interface/mmal/mmal.h mmal_port_connect ; }
5257 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||
5258 die "ERROR: mmal not found"; }
5259 enabled nvenc && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&
5260 { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" ||
5261 die "ERROR: NVENC API version 4 or older is not supported"; } &&
5262 { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }
5263 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
5264 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
5265 die "ERROR: openal not found"; } &&
5266 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
5267 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
5268 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
5269 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
5270 die "ERROR: opencl not found"; } &&
5271 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
5272 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
5273 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
5274 enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||
5275 check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
5276 check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
5277 check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
5278 die "ERROR: opengl not found."
5280 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
5281 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
5282 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
5283 die "ERROR: openssl not found"; }
5284 enabled qtkit_indev && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; }
5286 if enabled gnutls; then
5287 { check_lib2 gmp.h mpz_export -lgmp && enable gmp; } ||
5288 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
5292 if enabled libdc1394; then
5293 { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&
5294 enable libdc1394_2; } ||
5295 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
5296 enable libdc1394_1; } ||
5297 die "ERROR: No version of libdc1394 found "
5299 if ! disabled sdl; then
5300 SDL_CONFIG="${cross_prefix}sdl-config"
5301 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
5302 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5303 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5306 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5307 sdl_cflags=$("${SDL_CONFIG}" --cflags)
5308 sdl_libs=$("${SDL_CONFIG}" --libs)
5309 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
5310 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5311 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5313 elif enabled sdl ; then
5314 die "ERROR: SDL not found"
5320 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
5322 disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5323 check_lib2 "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5324 enable securetransport; }
5326 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
5328 && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \
5329 && enable makeinfo_html || disable makeinfo_html
5330 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
5331 perl -v > /dev/null 2>&1 && enable perl || disable perl
5332 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
5333 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
5335 check_header linux/fb.h
5336 check_header linux/videodev.h
5337 check_header linux/videodev2.h
5338 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5340 check_header sys/videoio.h
5341 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5343 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
5344 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
5345 # w32api 3.12 had it defined wrong
5346 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
5348 check_type "dshow.h" IBaseFilter
5350 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
5351 { check_header dev/bktr/ioctl_meteor.h &&
5352 check_header dev/bktr/ioctl_bt848.h; } ||
5353 { check_header machine/ioctl_meteor.h &&
5354 check_header machine/ioctl_bt848.h; } ||
5355 { check_header dev/video/meteor/ioctl_meteor.h &&
5356 check_header dev/video/bktr/ioctl_bt848.h; } ||
5357 check_header dev/ic/bt8xx.h
5359 check_header sndio.h
5360 if check_struct sys/soundcard.h audio_buf_info bytes; then
5361 enable_safe sys/soundcard.h
5363 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
5364 #include <sys/soundcard.h>
5368 check_header soundcard.h
5370 enabled_any alsa_indev alsa_outdev &&
5371 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
5373 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
5374 check_func jack_port_get_latency_range -ljack
5376 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
5378 if enabled libcdio; then
5379 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5380 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5381 die "ERROR: No usable libcdio/cdparanoia found"
5385 check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib
5387 if ! disabled libxcb; then
5388 check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {
5389 enabled libxcb && die "ERROR: libxcb >= 1.4 not found";
5390 } && disable x11grab && enable libxcb
5392 if enabled libxcb; then
5393 disabled libxcb_shm || {
5394 check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {
5395 enabled libxcb_shm && die "ERROR: libxcb_shm not found";
5396 } && check_header sys/shm.h && enable libxcb_shm; }
5398 disabled libxcb_xfixes || {
5399 check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {
5400 enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";
5401 } && enable libxcb_xfixes; }
5403 disabled libxcb_shape || {
5404 check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {
5405 enabled libxcb_shape && die "ERROR: libxcb_shape not found";
5406 } && enable libxcb_shape; }
5408 add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags
5409 add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs
5413 if enabled x11grab; then
5414 enabled xlib || die "ERROR: Xlib not found"
5415 require Xext X11/extensions/XShm.h XShmCreateImage -lXext
5416 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
5419 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
5421 enabled dxva2api_h &&
5422 check_cc <<EOF && enable dxva2api_cobj
5423 #define _WIN32_WINNT 0x0600
5425 #include <windows.h>
5427 #include <dxva2api.h>
5428 int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }
5432 check_lib va/va.h vaInitialize -lva ||
5435 enabled vaapi && enabled xlib &&
5436 check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&
5440 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
5443 enabled vdpau && enabled xlib &&
5444 check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
5445 prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&
5448 # Funny iconv installations are not unusual, so check it after all flags have been set
5449 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
5451 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
5453 # add some useful compiler flags if supported
5454 check_cflags -Wdeclaration-after-statement
5456 check_cflags -Wdisabled-optimization
5457 check_cflags -Wpointer-arith
5458 check_cflags -Wredundant-decls
5459 check_cflags -Wwrite-strings
5460 check_cflags -Wtype-limits
5461 check_cflags -Wundef
5462 check_cflags -Wmissing-prototypes
5463 check_cflags -Wno-pointer-to-int-cast
5464 check_cflags -Wstrict-prototypes
5465 check_cflags -Wempty-body
5466 enabled extra_warnings && check_cflags -Winline
5468 check_disable_warning(){
5469 warning_flag=-W${1#-Wno-}
5470 test_cflags $warning_flag && add_cflags $1
5473 check_disable_warning -Wno-parentheses
5474 check_disable_warning -Wno-switch
5475 check_disable_warning -Wno-format-zero-length
5476 check_disable_warning -Wno-pointer-sign
5478 # add some linker flags
5479 check_ldflags -Wl,--warn-common
5480 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
5481 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir
5482 enabled rpath && add_ldlibflags -Wl,-rpath,$libdir
5483 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
5485 # add some strip flags
5486 # -wN '..@*' is more selective than -x, but not available everywhere.
5487 check_stripflags -wN \'..@*\' || check_stripflags -x
5489 enabled neon_clobber_test &&
5490 check_ldflags -Wl,--wrap,avcodec_open2 \
5491 -Wl,--wrap,avcodec_decode_audio4 \
5492 -Wl,--wrap,avcodec_decode_video2 \
5493 -Wl,--wrap,avcodec_decode_subtitle2 \
5494 -Wl,--wrap,avcodec_encode_audio2 \
5495 -Wl,--wrap,avcodec_encode_video2 \
5496 -Wl,--wrap,avcodec_encode_subtitle \
5497 -Wl,--wrap,swr_convert \
5498 -Wl,--wrap,avresample_convert ||
5499 disable neon_clobber_test
5501 enabled xmm_clobber_test &&
5502 check_ldflags -Wl,--wrap,avcodec_open2 \
5503 -Wl,--wrap,avcodec_decode_audio4 \
5504 -Wl,--wrap,avcodec_decode_video2 \
5505 -Wl,--wrap,avcodec_decode_subtitle2 \
5506 -Wl,--wrap,avcodec_encode_audio2 \
5507 -Wl,--wrap,avcodec_encode_video \
5508 -Wl,--wrap,avcodec_encode_video2 \
5509 -Wl,--wrap,avcodec_encode_subtitle \
5510 -Wl,--wrap,swr_convert \
5511 -Wl,--wrap,avresample_convert \
5512 -Wl,--wrap,sws_scale ||
5513 disable xmm_clobber_test
5516 if test_ldflags -Wl,--version-script,$TMPV; then
5517 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
5518 check_cc <<EOF && enable symver_asm_label
5519 void ff_foo(void) __asm__ ("av_foo@VERSION");
5520 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
5522 check_cc <<EOF && enable symver_gnu_asm
5523 __asm__(".symver ff_foo,av_foo@VERSION");
5524 void ff_foo(void) {}
5528 if [ -z "$optflags" ]; then
5529 if enabled small; then
5530 optflags=$cflags_size
5531 elif enabled optimizations; then
5532 optflags=$cflags_speed
5534 optflags=$cflags_noopt
5540 enabled lto && check_ldflags "$@"
5544 if enabled lto; then
5545 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
5547 check_ldflags -flto $cpuflags
5548 disable inline_asm_direct_symbol_refs
5551 check_optflags $optflags
5552 check_optflags -fno-math-errno
5553 check_optflags -fno-signed-zeros
5555 enabled ftrapv && check_cflags -ftrapv
5557 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
5562 if enabled icc; then
5563 # Just warnings, no remarks
5565 # -wd: Disable following warnings
5566 # 144, 167, 556: -Wno-pointer-sign
5567 # 188: enumerated type mixed with another type
5568 # 1292: attribute "foo" ignored
5569 # 1419: external declaration in primary source file
5570 # 10006: ignoring unknown option -fno-signed-zeros
5571 # 10148: ignoring unknown option -Wno-parentheses
5572 # 10156: ignoring option '-W'; no argument required
5573 # 13200: No EMMS instruction before call to function
5574 # 13203: No EMMS instruction before return from function
5575 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
5576 # 11030: Warning unknown option --as-needed
5577 # 10156: ignoring option '-export'; no argument required
5578 check_ldflags -wd10156,11030
5579 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
5580 enable ebp_available
5581 # The test above does not test linking
5582 enabled lto && disable symver_asm_label
5583 if enabled x86_32; then
5584 icc_version=$($cc -dumpversion)
5585 test ${icc_version%%.*} -ge 11 &&
5586 check_cflags -falign-stack=maintain-16-byte ||
5587 disable aligned_stack
5589 elif enabled ccc; then
5590 # disable some annoying warnings
5591 add_cflags -msg_disable bitnotint
5592 add_cflags -msg_disable mixfuncvoid
5593 add_cflags -msg_disable nonstandcast
5594 add_cflags -msg_disable unsupieee
5595 elif enabled gcc; then
5596 check_optflags -fno-tree-vectorize
5597 check_cflags -Werror=format-security
5598 check_cflags -Werror=implicit-function-declaration
5599 check_cflags -Werror=missing-prototypes
5600 check_cflags -Werror=return-type
5601 check_cflags -Werror=vla
5602 check_cflags -Wformat
5603 check_cflags -fdiagnostics-color=auto
5604 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
5605 elif enabled llvm_gcc; then
5606 check_cflags -mllvm -stack-alignment=16
5607 elif enabled clang; then
5608 check_cflags -mllvm -stack-alignment=16
5609 check_cflags -Qunused-arguments
5610 check_cflags -Werror=implicit-function-declaration
5611 check_cflags -Werror=missing-prototypes
5612 check_cflags -Werror=return-type
5613 elif enabled cparser; then
5614 add_cflags -Wno-missing-variable-declarations
5615 add_cflags -Wno-empty-statement
5616 elif enabled armcc; then
5617 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
5618 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
5619 # 2523: use of inline assembly is deprecated
5620 add_cflags -W${armcc_opt},--diag_suppress=2523
5621 add_cflags -W${armcc_opt},--diag_suppress=1207
5622 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
5623 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
5624 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
5625 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
5626 elif enabled tms470; then
5627 add_cflags -pds=824 -pds=837
5629 elif enabled pathscale; then
5630 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
5631 elif enabled_any msvc icl; then
5632 enabled x86_32 && disable aligned_stack
5633 enabled_all x86_32 debug && add_cflags -Oy-
5634 enabled debug && add_ldflags -debug
5635 enable pragma_deprecated
5636 if enabled icl; then
5637 # -Qansi-alias is basically -fstrict-aliasing, but does not work
5638 # (correctly) on icl 13.x.
5639 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
5640 add_cflags -Qansi-alias
5641 # Some inline asm is not compilable in debug
5642 if enabled debug; then
5643 disable ebp_available
5644 disable ebx_available
5647 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
5648 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
5653 add_asflags -Qunused-arguments
5659 check_ldflags -Qunused-arguments
5665 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
5668 add_cppflags -Dmain=plan9_main
5672 enable frame_thread_encoder
5674 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
5676 check_deps $CONFIG_LIST \
5681 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"
5684 if test $target_os = "haiku"; then
5686 disable posix_memalign
5689 enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&
5690 prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&
5693 ! enabled_any memalign posix_memalign aligned_malloc &&
5694 enabled simd_align_16 && enable memalign_hack
5697 # -> enable ${lib}_deps_${dep}
5698 # -> add $dep to ${lib}_deps only once
5702 enabled "${lib}_deps_${dep}" && return 0
5703 enable "${lib}_deps_${dep}"
5704 prepend "${lib}_deps" $dep
5707 # merge deps lib components
5708 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
5713 enabled $comp || continue
5714 eval "dep=\"\$${comp}_deps\""
5721 merge_deps libavfilter $FILTER_LIST
5723 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
5725 for thread in $THREADS_LIST; do
5726 if enabled $thread; then
5727 test -n "$thread_type" &&
5728 die "ERROR: Only one thread type must be selected." ||
5729 thread_type="$thread"
5733 enabled zlib && add_cppflags -DZLIB_CONST
5735 # conditional library dependencies, in linking order
5736 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
5737 enabled aresample_filter && prepend avfilter_deps "swresample"
5738 enabled asyncts_filter && prepend avfilter_deps "avresample"
5739 enabled atempo_filter && prepend avfilter_deps "avcodec"
5740 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
5741 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
5742 enabled elbg_filter && prepend avfilter_deps "avcodec"
5743 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
5744 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
5745 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
5746 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
5747 enabled pan_filter && prepend avfilter_deps "swresample"
5748 enabled pp_filter && prepend avfilter_deps "postproc"
5749 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
5750 enabled resample_filter && prepend avfilter_deps "avresample"
5751 enabled sab_filter && prepend avfilter_deps "swscale"
5752 enabled scale_filter && prepend avfilter_deps "swscale"
5753 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
5754 enabled smartblur_filter && prepend avfilter_deps "swscale"
5755 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
5756 enabled uspp_filter && prepend avfilter_deps "avcodec"
5758 enabled lavfi_indev && prepend avdevice_deps "avfilter"
5760 enabled opus_decoder && prepend avcodec_deps "swresample"
5764 eval "deps=\$$lib_deps"
5765 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
5769 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
5770 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
5772 map 'expand_deps $v' $LIBRARY_LIST
5774 echo "install prefix $prefix"
5775 echo "source path $source_path"
5776 echo "C compiler $cc"
5777 echo "C library $libc_type"
5778 if test "$host_cc" != "$cc"; then
5779 echo "host C compiler $host_cc"
5780 echo "host C library $host_libc_type"
5782 echo "ARCH $arch ($cpu)"
5783 if test "$build_suffix" != ""; then
5784 echo "build suffix $build_suffix"
5786 if test "$progs_suffix" != ""; then
5787 echo "progs suffix $progs_suffix"
5789 if test "$extra_version" != ""; then
5790 echo "version string suffix $extra_version"
5792 echo "big-endian ${bigendian-no}"
5793 echo "runtime cpu detection ${runtime_cpudetect-no}"
5794 if enabled x86; then
5795 echo "${yasmexe} ${yasm-no}"
5796 echo "MMX enabled ${mmx-no}"
5797 echo "MMXEXT enabled ${mmxext-no}"
5798 echo "3DNow! enabled ${amd3dnow-no}"
5799 echo "3DNow! extended enabled ${amd3dnowext-no}"
5800 echo "SSE enabled ${sse-no}"
5801 echo "SSSE3 enabled ${ssse3-no}"
5802 echo "AVX enabled ${avx-no}"
5803 echo "XOP enabled ${xop-no}"
5804 echo "FMA3 enabled ${fma3-no}"
5805 echo "FMA4 enabled ${fma4-no}"
5806 echo "i686 features enabled ${i686-no}"
5807 echo "CMOV is fast ${fast_cmov-no}"
5808 echo "EBX available ${ebx_available-no}"
5809 echo "EBP available ${ebp_available-no}"
5811 if enabled aarch64; then
5812 echo "NEON enabled ${neon-no}"
5813 echo "VFP enabled ${vfp-no}"
5815 if enabled arm; then
5816 echo "ARMv5TE enabled ${armv5te-no}"
5817 echo "ARMv6 enabled ${armv6-no}"
5818 echo "ARMv6T2 enabled ${armv6t2-no}"
5819 echo "VFP enabled ${vfp-no}"
5820 echo "NEON enabled ${neon-no}"
5821 echo "THUMB enabled ${thumb-no}"
5823 if enabled mips; then
5824 echo "MIPS FPU enabled ${mipsfpu-no}"
5825 echo "MIPS32R5 enabled ${mips32r5-no}"
5826 echo "MIPS64R6 enabled ${mips64r6-no}"
5827 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
5828 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
5829 echo "MIPS MSA enabled ${msa-no}"
5830 echo "LOONGSON MMI enabled ${mmi-no}"
5832 if enabled ppc; then
5833 echo "AltiVec enabled ${altivec-no}"
5834 echo "VSX enabled ${vsx-no}"
5835 echo "POWER8 enabled ${power8-no}"
5836 echo "PPC 4xx optimizations ${ppc4xx-no}"
5837 echo "dcbzl available ${dcbzl-no}"
5839 echo "debug symbols ${debug-no}"
5840 echo "strip symbols ${stripping-no}"
5841 echo "optimize for size ${small-no}"
5842 echo "optimizations ${optimizations-no}"
5843 echo "static ${static-no}"
5844 echo "shared ${shared-no}"
5845 echo "postprocessing support ${postproc-no}"
5846 echo "new filter support ${avfilter-no}"
5847 echo "network support ${network-no}"
5848 echo "threading support ${thread_type-no}"
5849 echo "safe bitstream reader ${safe_bitstream_reader-no}"
5850 echo "SDL support ${sdl-no}"
5851 echo "opencl enabled ${opencl-no}"
5852 echo "texi2html enabled ${texi2html-no}"
5853 echo "perl enabled ${perl-no}"
5854 echo "pod2man enabled ${pod2man-no}"
5855 echo "makeinfo enabled ${makeinfo-no}"
5856 echo "makeinfo supports HTML ${makeinfo_html-no}"
5857 test -n "$random_seed" &&
5858 echo "random seed ${random_seed}"
5861 echo "External libraries:"
5862 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
5865 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
5866 echo "Enabled ${type}s:"
5867 eval list=\$$(toupper $type)_LIST
5868 print_enabled '_*' $list | print_3_columns
5872 license="LGPL version 2.1 or later"
5873 if enabled nonfree; then
5874 license="nonfree and unredistributable"
5875 elif enabled gplv3; then
5876 license="GPL version 3 or later"
5877 elif enabled lgplv3; then
5878 license="LGPL version 3 or later"
5879 elif enabled gpl; then
5880 license="GPL version 2 or later"
5883 echo "License: $license"
5885 echo "Creating config.mak, config.h, and doc/config.texi..."
5887 test -e Makefile || echo "include $source_path/Makefile" > Makefile
5889 enabled stripping || strip="echo skipping strip"
5891 config_files="$TMPH config.mak doc/config.texi"
5893 cat > config.mak <<EOF
5894 # Automatically generated by configure - do not modify!
5895 ifndef FFMPEG_CONFIG_MAK
5897 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
5899 LIBDIR=\$(DESTDIR)$libdir
5900 SHLIBDIR=\$(DESTDIR)$shlibdir
5901 INCDIR=\$(DESTDIR)$incdir
5902 BINDIR=\$(DESTDIR)$bindir
5903 DATADIR=\$(DESTDIR)$datadir
5904 DOCDIR=\$(DESTDIR)$docdir
5905 MANDIR=\$(DESTDIR)$mandir
5906 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
5907 SRC_PATH=$source_path
5908 ifndef MAIN_MAKEFILE
5909 SRC_PATH:=\$(SRC_PATH:.%=..%)
5913 INTRINSICS=$intrinsics
5919 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
5921 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
5950 LDEXEFLAGS=$LDEXEFLAGS
5951 LDLIBFLAGS=$LDLIBFLAGS
5952 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
5953 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
5954 YASMFLAGS=$YASMFLAGS
5955 BUILDSUF=$build_suffix
5956 PROGSSUF=$progs_suffix
5964 EXTRA_VERSION=$extra_version
5967 CCDEP_FLAGS=$CCDEP_FLAGS
5969 ASDEP_FLAGS=$ASDEP_FLAGS
5970 CC_DEPFLAGS=$CC_DEPFLAGS
5971 AS_DEPFLAGS=$AS_DEPFLAGS
5974 HOSTCFLAGS=$host_cflags
5975 HOSTCPPFLAGS=$host_cppflags
5976 HOSTEXESUF=$HOSTEXESUF
5977 HOSTLDFLAGS=$host_ldflags
5980 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
5981 HOSTCCDEP=$HOSTCCDEP
5982 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
5983 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
5987 TARGET_EXEC=$target_exec $target_exec_args
5988 TARGET_PATH=$target_path
5989 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
5990 CFLAGS-ffplay=$sdl_cflags
5991 ZLIB=$($ldflags_filter -lz)
5992 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
5993 EXTRALIBS=$extralibs
5994 COMPAT_OBJS=$compat_objs
5997 LIBTARGET=${LIBTARGET}
5998 SLIBNAME=${SLIBNAME}
5999 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
6000 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
6001 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
6002 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
6003 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
6004 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
6005 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
6006 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
6007 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
6008 NOREDZONE_FLAGS=$noredzone_flags
6013 name=$(toupper $lcname)
6014 file=$source_path/$lcname/version.h
6015 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
6016 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
6017 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
6018 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
6019 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
6020 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
6023 map 'get_version $v' $LIBRARY_LIST
6025 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST
6027 print_program_libs(){
6028 eval "program_libs=\$${1}_libs"
6029 eval echo "LIBS-${1}=${program_libs}" >> config.mak
6032 map 'print_program_libs $v' $PROGRAM_LIST
6035 /* Automatically generated by configure - do not modify! */
6036 #ifndef FFMPEG_CONFIG_H
6037 #define FFMPEG_CONFIG_H
6038 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
6039 #define FFMPEG_LICENSE "$(c_escape $license)"
6040 #define CONFIG_THIS_YEAR 2015
6041 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
6042 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
6043 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
6044 #define av_restrict $_restrict
6045 #define EXTERN_PREFIX "${extern_prefix}"
6046 #define EXTERN_ASM ${extern_prefix}
6047 #define BUILDSUF "$build_suffix"
6048 #define SLIBSUF "$SLIBSUF"
6049 #define HAVE_MMX2 HAVE_MMXEXT
6050 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
6053 test -n "$assert_level" &&
6054 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
6056 test -n "$malloc_prefix" &&
6057 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
6059 if enabled yasm; then
6060 append config_files $TMPASM
6064 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
6070 echo "@c auto-generated by configure" > doc/config.texi
6072 print_config ARCH_ "$config_files" $ARCH_LIST
6073 print_config HAVE_ "$config_files" $HAVE_LIST
6074 print_config CONFIG_ "$config_files" $CONFIG_LIST \
6078 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
6079 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
6081 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
6082 cp_if_changed $TMPH config.h
6085 enabled yasm && cp_if_changed $TMPASM config.asm
6088 /* Generated by ffconf */
6089 #ifndef AVUTIL_AVCONFIG_H
6090 #define AVUTIL_AVCONFIG_H
6093 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
6095 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
6097 cp_if_changed $TMPH libavutil/avconfig.h
6099 if test -n "$WARNINGS"; then
6100 printf "\n$WARNINGS"
6101 enabled fatal_warnings && exit 1
6104 # build pkg-config files
6107 eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""
6110 pkgconfig_generate(){
6112 shortname=${name#lib}${build_suffix}
6116 requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))
6117 requires=${requires%, }
6118 enabled ${name#lib} || return 0
6120 cat <<EOF > $name/$name${build_suffix}.pc
6122 exec_prefix=\${prefix}
6127 Description: $comment
6129 Requires: $(enabled shared || echo $requires)
6130 Requires.private: $(enabled shared && echo $requires)
6132 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
6133 Libs.private: $(enabled shared && echo $libs)
6134 Cflags: -I\${includedir}
6137 mkdir -p doc/examples/pc-uninstalled
6138 includedir=${source_path}
6139 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
6140 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
6143 libdir=\${pcfiledir}/../../../$name
6144 includedir=${includedir}
6147 Description: $comment
6151 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
6152 Cflags: -I\${includedir}
6156 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBRT $LIBM"
6157 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs"
6158 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs"
6159 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs"
6160 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
6161 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" ""
6162 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$LIBM"
6163 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM"
6164 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM"