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 --enable-rpath use rpath to allow installing libraries in paths
91 not part of the dynamic linker search path
92 use rpath when linking programs [USE WITH CARE]
95 --enable-gpl allow use of GPL code, the resulting libs
96 and binaries will be under GPL [no]
97 --enable-version3 upgrade (L)GPL to version 3 [no]
98 --enable-nonfree allow use of nonfree code, the resulting libs
99 and binaries will be unredistributable [no]
101 Configuration options:
102 --disable-static do not build static libraries [no]
103 --enable-shared build shared libraries [no]
104 --enable-small optimize for size instead of speed
105 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
106 --enable-gray enable full grayscale support (slower color)
107 --disable-swscale-alpha disable alpha channel support in swscale
108 --disable-all disable building components, libraries and programs
109 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
110 --enable-raise-major increase major version numbers in sonames [no]
113 --disable-programs do not build command line programs
114 --disable-ffmpeg disable ffmpeg build
115 --disable-ffplay disable ffplay build
116 --disable-ffprobe disable ffprobe build
117 --disable-ffserver disable ffserver build
119 Documentation options:
120 --disable-doc do not build documentation
121 --disable-htmlpages do not build HTML documentation pages
122 --disable-manpages do not build man documentation pages
123 --disable-podpages do not build POD documentation pages
124 --disable-txtpages do not build text documentation pages
127 --disable-avdevice disable libavdevice build
128 --disable-avcodec disable libavcodec build
129 --disable-avformat disable libavformat build
130 --disable-avutil disable libavutil build
131 --disable-swresample disable libswresample build
132 --disable-swscale disable libswscale build
133 --disable-postproc disable libpostproc build
134 --disable-avfilter disable libavfilter build
135 --enable-avresample enable libavresample build [no]
136 --disable-pthreads disable pthreads [autodetect]
137 --disable-w32threads disable Win32 threads [autodetect]
138 --disable-os2threads disable OS/2 threads [autodetect]
139 --disable-network disable network support [no]
140 --disable-dct disable DCT code
141 --disable-dwt disable DWT code
142 --disable-error-resilience disable error resilience code
143 --disable-lsp disable LSP code
144 --disable-lzo disable LZO decoder code
145 --disable-mdct disable MDCT code
146 --disable-rdft disable RDFT code
147 --disable-fft disable FFT code
148 --disable-faan disable floating point AAN (I)DCT code
149 --disable-pixelutils disable pixel utils in libavutil
151 Hardware accelerators:
152 --disable-dxva2 disable DXVA2 code [autodetect]
153 --disable-vaapi disable VAAPI code [autodetect]
154 --disable-vda disable VDA code [autodetect]
155 --disable-vdpau disable VDPAU code [autodetect]
157 Individual component options:
158 --disable-everything disable all components listed below
159 --disable-encoder=NAME disable encoder NAME
160 --enable-encoder=NAME enable encoder NAME
161 --disable-encoders disable all encoders
162 --disable-decoder=NAME disable decoder NAME
163 --enable-decoder=NAME enable decoder NAME
164 --disable-decoders disable all decoders
165 --disable-hwaccel=NAME disable hwaccel NAME
166 --enable-hwaccel=NAME enable hwaccel NAME
167 --disable-hwaccels disable all hwaccels
168 --disable-muxer=NAME disable muxer NAME
169 --enable-muxer=NAME enable muxer NAME
170 --disable-muxers disable all muxers
171 --disable-demuxer=NAME disable demuxer NAME
172 --enable-demuxer=NAME enable demuxer NAME
173 --disable-demuxers disable all demuxers
174 --enable-parser=NAME enable parser NAME
175 --disable-parser=NAME disable parser NAME
176 --disable-parsers disable all parsers
177 --enable-bsf=NAME enable bitstream filter NAME
178 --disable-bsf=NAME disable bitstream filter NAME
179 --disable-bsfs disable all bitstream filters
180 --enable-protocol=NAME enable protocol NAME
181 --disable-protocol=NAME disable protocol NAME
182 --disable-protocols disable all protocols
183 --enable-indev=NAME enable input device NAME
184 --disable-indev=NAME disable input device NAME
185 --disable-indevs disable input devices
186 --enable-outdev=NAME enable output device NAME
187 --disable-outdev=NAME disable output device NAME
188 --disable-outdevs disable output devices
189 --disable-devices disable all devices
190 --enable-filter=NAME enable filter NAME
191 --disable-filter=NAME disable filter NAME
192 --disable-filters disable all filters
194 External library support:
195 --enable-avisynth enable reading of AviSynth script files [no]
196 --disable-bzlib disable bzlib [autodetect]
197 --enable-fontconfig enable fontconfig, useful for drawtext filter [no]
198 --enable-frei0r enable frei0r video filtering [no]
199 --enable-gnutls enable gnutls, needed for https support
200 if openssl is not used [no]
201 --disable-iconv disable iconv [autodetect]
202 --enable-ladspa enable LADSPA audio filtering [no]
203 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
204 --enable-libass enable libass subtitles rendering,
205 needed for subtitles and ass filter [no]
206 --enable-libbluray enable BluRay reading using libbluray [no]
207 --enable-libbs2b enable bs2b DSP library [no]
208 --enable-libcaca enable textual display using libcaca [no]
209 --enable-libcelt enable CELT decoding via libcelt [no]
210 --enable-libcdio enable audio CD grabbing with libcdio [no]
211 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
213 --enable-libdcadec enable DCA decoding via libdcadec [no]
214 --enable-libfaac enable AAC encoding via libfaac [no]
215 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
216 --enable-libflite enable flite (voice synthesis) support via libflite [no]
217 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
218 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
219 --enable-libgme enable Game Music Emu via libgme [no]
220 --enable-libgsm enable GSM de/encoding via libgsm [no]
221 --enable-libiec61883 enable iec61883 via libiec61883 [no]
222 --enable-libilbc enable iLBC de/encoding via libilbc [no]
223 --enable-libmfx enable HW acceleration through libmfx
224 --enable-libmodplug enable ModPlug via libmodplug [no]
225 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
226 --enable-libnut enable NUT (de)muxing via libnut,
227 native (de)muxer exists [no]
228 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
229 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
230 --enable-libopencv enable video filtering via libopencv [no]
231 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
232 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
233 --enable-libopus enable Opus de/encoding via libopus [no]
234 --enable-libpulse enable Pulseaudio input via libpulse [no]
235 --enable-libquvi enable quvi input via libquvi [no]
236 --enable-librtmp enable RTMP[E] support via librtmp [no]
237 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
238 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
239 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
240 --enable-libsoxr enable Include libsoxr resampling [no]
241 --enable-libspeex enable Speex de/encoding via libspeex [no]
242 --enable-libssh enable SFTP protocol via libssh [no]
243 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
244 --enable-libtheora enable Theora encoding via libtheora [no]
245 --enable-libtwolame enable MP2 encoding via libtwolame [no]
246 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
247 --enable-libv4l2 enable libv4l2/v4l-utils [no]
248 --enable-libvidstab enable video stabilization using vid.stab [no]
249 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
250 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
251 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
252 native implementation exists [no]
253 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
254 --enable-libwavpack enable wavpack encoding via libwavpack [no]
255 --enable-libwebp enable WebP encoding via libwebp [no]
256 --enable-libx264 enable H.264 encoding via x264 [no]
257 --enable-libx265 enable HEVC encoding via x265 [no]
258 --enable-libxavs enable AVS encoding via xavs [no]
259 --enable-libxcb enable X11 grabbing using XCB [autodetect]
260 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
261 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
262 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
263 --enable-libxvid enable Xvid encoding via xvidcore,
264 native MPEG-4/Xvid encoder exists [no]
265 --enable-libzmq enable message passing via libzmq [no]
266 --enable-libzvbi enable teletext support via libzvbi [no]
267 --disable-lzma disable lzma [autodetect]
268 --enable-decklink enable Blackmagick DeckLink I/O support [no]
269 --enable-mmal enable decoding via MMAL [no]
270 --enable-nvenc enable NVIDIA NVENC support [no]
271 --enable-openal enable OpenAL 1.1 capture support [no]
272 --enable-opencl enable OpenCL code
273 --enable-opengl enable OpenGL rendering [no]
274 --enable-openssl enable openssl, needed for https support
275 if gnutls is not used [no]
276 --disable-sdl disable sdl [autodetect]
277 --enable-x11grab enable X11 grabbing (legacy) [no]
278 --disable-xlib disable xlib [autodetect]
279 --disable-zlib disable zlib [autodetect]
282 --arch=ARCH select architecture [$arch]
283 --cpu=CPU select the minimum required CPU (affects
284 instruction selection, may crash on older CPUs)
285 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
286 --progs-suffix=SUFFIX program name suffix []
287 --enable-cross-compile assume a cross-compiler is used
288 --sysroot=PATH root of cross-build tree
289 --sysinclude=PATH location of cross-build system headers
290 --target-os=OS compiler targets OS [$target_os]
291 --target-exec=CMD command to run executables on target
292 --target-path=DIR path to view of build directory on target
293 --target-samples=DIR path to samples directory on target
294 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
295 --toolchain=NAME set tool defaults according to NAME
296 --nm=NM use nm tool NM [$nm_default]
297 --ar=AR use archive tool AR [$ar_default]
298 --as=AS use assembler AS [$as_default]
299 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
300 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
301 --cc=CC use C compiler CC [$cc_default]
302 --cxx=CXX use C compiler CXX [$cxx_default]
303 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
304 --ld=LD use linker LD [$ld_default]
305 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
306 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
307 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
308 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
309 --host-cc=HOSTCC use host C compiler HOSTCC
310 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
311 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
312 --host-ld=HOSTLD use host linker HOSTLD
313 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
314 --host-libs=HLIBS use libs HLIBS when linking for host
315 --host-os=OS compiler host OS [$target_os]
316 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
317 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
318 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
319 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
320 --extra-libs=ELIBS add ELIBS [$ELIBS]
321 --extra-version=STRING version string suffix []
322 --optflags=OPTFLAGS override optimization-related compiler flags
323 --build-suffix=SUFFIX library name suffix []
324 --enable-pic build position-independent code
325 --enable-thumb compile for Thumb instruction set
326 --enable-lto use link-time optimization
328 Advanced options (experts only):
329 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
330 --disable-symver disable symbol versioning
331 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
332 --disable-safe-bitstream-reader
333 disable buffer boundary checking in bitreaders
334 (faster, but may crash)
335 --enable-memalign-hack emulate memalign, interferes with memory debuggers
336 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
338 Optimization options (experts only):
339 --disable-asm disable all assembly optimizations
340 --disable-altivec disable AltiVec optimizations
341 --disable-amd3dnow disable 3DNow! optimizations
342 --disable-amd3dnowext disable 3DNow! extended optimizations
343 --disable-mmx disable MMX optimizations
344 --disable-mmxext disable MMXEXT optimizations
345 --disable-sse disable SSE optimizations
346 --disable-sse2 disable SSE2 optimizations
347 --disable-sse3 disable SSE3 optimizations
348 --disable-ssse3 disable SSSE3 optimizations
349 --disable-sse4 disable SSE4 optimizations
350 --disable-sse42 disable SSE4.2 optimizations
351 --disable-avx disable AVX optimizations
352 --disable-xop disable XOP optimizations
353 --disable-fma3 disable FMA3 optimizations
354 --disable-fma4 disable FMA4 optimizations
355 --disable-avx2 disable AVX2 optimizations
356 --disable-armv5te disable armv5te optimizations
357 --disable-armv6 disable armv6 optimizations
358 --disable-armv6t2 disable armv6t2 optimizations
359 --disable-vfp disable VFP optimizations
360 --disable-neon disable NEON optimizations
361 --disable-inline-asm disable use of inline assembly
362 --disable-yasm disable use of nasm/yasm assembly
363 --disable-mips32r5 disable MIPS32R5 optimizations
364 --disable-mips64r6 disable MIPS64R6 optimizations
365 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
366 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
367 --disable-msa disable MSA optimizations
368 --disable-mipsfpu disable floating point MIPS optimizations
369 --disable-fast-unaligned consider unaligned accesses slow
371 Developer options (useful when working on FFmpeg itself):
372 --disable-debug disable debugging symbols
373 --enable-debug=LEVEL set the debug level [$debuglevel]
374 --disable-optimizations disable compiler optimizations
375 --enable-extra-warnings enable more compiler warnings
376 --disable-stripping disable stripping of executables and shared libraries
377 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
378 2 causes a slowdown at runtime.
379 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
380 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
381 leaks and errors, using the specified valgrind binary.
382 Cannot be combined with --target-exec
383 --enable-ftrapv Trap arithmetic overflows
384 --samples=PATH location of test samples for FATE, if not set use
385 \$FATE_SAMPLES at make invocation time.
386 --enable-neon-clobber-test check NEON registers for clobbering (should be
387 used only for debugging purposes)
388 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
389 should be used only for debugging purposes)
390 --enable-random randomly enable/disable components
392 --enable-random=LIST randomly enable/disable specific components or
393 --disable-random=LIST component groups. LIST is a comma-separated list
394 of NAME[:PROB] entries where NAME is a component
395 (group) and PROB the probability associated with
397 --random-seed=VALUE seed value for --enable/disable-random
399 NOTE: Object files are built at the place where configure is launched.
407 echo "$@" >> $logfile
412 pr -n -t $1 >> $logfile
423 WARNINGS="${WARNINGS}WARNING: $*\n"
430 If you think configure made a mistake, make sure you are using the latest
431 version from Git. If the latest version fails, report the problem to the
432 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
434 if disabled logging; then
436 Rerun configure with logging enabled (do not use --disable-logging), and
437 include the log this produces with your report.
441 Include the log file "$logfile" produced by configure as this will help
448 # Avoid locale weirdness, besides we really just want to translate ASCII.
450 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
454 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
458 echo "$*" | sed 's/["\\]/\\\0/g'
462 v=$(echo "$1" | sed "s/'/'\\\\''/g")
463 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
468 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\\r//g'
475 eval "case $v in $pat) echo $v ;; esac"
483 eval "case $v in $pat) ;; *) echo $v ;; esac"
490 for v; do eval $m; done
496 for v; do echo ${v}${suffix}; done
511 eval : \${$var:=$value}
516 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
522 eval $(sanitize_var_name "$var")='$*'
526 eval echo \$$(sanitize_var_name "$1")
531 eval level=\${${pvar}_level:=0}
532 eval ${pvar}_${level}="\$$pvar"
533 eval ${pvar}_level=$(($level+1))
539 eval level=\${${pvar}_level:-0}
540 test $level = 0 && continue
541 eval level=$(($level-1))
542 eval $pvar="\${${pvar}_${level}}"
543 eval ${pvar}_level=$level
544 eval unset ${pvar}_${level}
566 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
572 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
578 enabled $var && continue
579 eval sel="\$${var}_select"
580 eval sgs="\$${var}_suggest"
584 enable_deep_weak $sgs
596 disabled $var && continue
605 test "${1#!}" = "$1" && op== || op=!=
606 eval test "x\$${1#!}" $op "xyes"
610 test "${1#!}" = "$1" && op== || op=!=
611 eval test "x\$${1#!}" $op "xno"
616 enabled $opt || return 1
622 disabled $opt || return 1
628 enabled $opt && return 0
634 disabled $opt && return 0
641 eval : \${$opt:=\$${opt}_default}
649 [ $var = $value ] && return 0
657 enabled ${cfg}_checking && die "Circular dependency for $cfg."
658 disabled ${cfg}_checking && continue
659 enable ${cfg}_checking
662 eval dep_all="\$${cfg}_deps"
663 eval dep_any="\$${cfg}_deps_any"
664 eval dep_sel="\$${cfg}_select"
665 eval dep_sgs="\$${cfg}_suggest"
666 eval dep_ifa="\$${cfg}_if"
667 eval dep_ifn="\$${cfg}_if_any"
669 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
670 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
671 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
673 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
674 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
675 enabled_all $dep_all || disable $cfg
676 enabled_any $dep_any || disable $cfg
677 disabled_any $dep_sel && disable $cfg
679 if enabled $cfg; then
681 enable_deep_weak $dep_sgs
684 disable ${cfg}_checking
693 for cfg in $allopts; do
694 enabled $cfg || continue
695 eval dep_extralibs="\$${cfg}_extralibs"
696 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
704 map 'eval echo "$v \${$v:-no}"' "$@" |
705 awk "BEGIN { split(\"$files\", files) }
707 c = \"$pfx\" toupper(\$1);
713 if (file ~ /\\.h\$/) {
714 printf(\"#define %s %d\\n\", c, v) >>file;
715 } else if (file ~ /\\.asm\$/) {
716 printf(\"%%define %s %d\\n\", c, v) >>file;
717 } else if (file ~ /\\.mak\$/) {
718 n = -v ? \"\" : \"!\";
719 printf(\"%s%s=yes\\n\", n, c) >>file;
720 } else if (file ~ /\\.texi\$/) {
721 pre = -v ? \"\" : \"@c \";
724 gsub(/_/, \"-\", c2);
725 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
735 enabled $v && printf "%s\n" ${v%$suf};
742 eval "$var=\"\$$var $*\""
748 eval "$var=\"$* \$$var\""
754 for tok in $(eval echo \$$var); do
755 uniq_list="$(filter_out $tok $uniq_list) $tok"
757 eval "$var=\"${uniq_list}\""
765 append CFLAGS $($cflags_filter "$@")
769 append CXXFLAGS $($cflags_filter "$@")
773 append ASFLAGS $($asflags_filter "$@")
777 append LDFLAGS $($ldflags_filter "$@")
781 append LDEXEFLAGS $($ldflags_filter "$@")
785 append ASMSTRIPFLAGS "$@"
789 prepend extralibs $($ldflags_filter "$@")
793 append host_cppflags "$@"
797 append host_cflags $($host_cflags_filter "$@")
801 append host_ldflags $($host_ldflags_filter "$@")
805 append compat_objs $1
807 map 'add_cppflags -D$v' "$@"
812 "$@" >> $logfile 2>&1
817 stat "$1" >> $logfile 2>&1
821 eval printf '%s\\n' $CC_O
825 eval printf '%s\\n' $CC_E
832 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
839 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
846 check_cmd $cc -Werror=missing-prototypes $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPM
853 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
857 eval printf '%s\\n' $AS_O
864 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
868 log check_inline_asm "$@"
873 check_cc "$@" <<EOF && enable $name
874 void foo(void){ __asm__ volatile($code); }
880 check_inline_asm ${1}_inline "\"$2\""
881 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
889 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
893 eval printf '%s\\n' $LD_O
900 flags=$(filter_out '-l*|*.so' $@)
901 libs=$(filter '-l*|*.so' $@)
902 check_$type $($cflags_filter $flags) || return
903 flags=$($ldflags_filter $flags)
904 libs=$($ldflags_filter $libs)
905 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
910 test "${hdr%.h}" = "${hdr}" &&
911 echo "#include $hdr" ||
912 echo "#include <$hdr>"
922 for hdr in $headers; do
925 echo "int main(void) { $code; return 0; }"
926 } | check_$check "$@"
930 log check_cppflags "$@"
931 check_cc "$@" <<EOF && append CPPFLAGS "$@"
938 set -- $($cflags_filter "$@")
945 log check_cflags "$@"
946 test_cflags "$@" && add_cflags "$@"
950 log check_cxxflags "$@"
951 set -- $($cflags_filter "$@")
952 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
958 log test_ldflags "$@"
959 check_ld "cc" "$@" <<EOF
960 int main(void){ return 0; }
965 log check_ldflags "$@"
966 test_ldflags "$@" && add_ldflags "$@"
970 log test_stripflags "$@"
971 # call check_cc to get a fresh TMPO
973 int main(void) { return 0; }
975 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
979 log check_stripflags "$@"
980 test_stripflags "$@" && add_stripflags "$@"
984 log check_header "$@"
988 check_cpp "$@" <<EOF && enable_safe $header
995 log check_header_oc "$@"
1001 echo "#include <$header>"
1002 echo "int main(void) { return 0; }"
1003 } | check_oc && check_stat "$TMPO" && enable_safe $headers
1011 check_ld "cc" "$@" <<EOF && enable $func
1013 int main(void){ $func(); }
1018 log check_mathfunc "$@"
1022 test $narg = 2 && args="f, g" || args="f"
1024 check_ld "cc" "$@" <<EOF && enable $func
1026 float foo(float f, float g) { return $func($args); }
1027 int main(void){ return (int) foo; }
1031 check_func_headers(){
1032 log check_func_headers "$@"
1037 for hdr in $headers; do
1040 for func in $funcs; do
1041 echo "long check_$func(void) { return (long) $func; }"
1043 echo "int main(void) { return 0; }"
1044 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1047 check_class_headers_cpp(){
1048 log check_class_headers_cpp "$@"
1053 for hdr in $headers; do
1054 echo "#include <$hdr>"
1056 echo "int main(void) { "
1058 for class in $classes; do
1059 echo "$class obj$i;"
1063 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1066 check_cpp_condition(){
1067 log check_cpp_condition "$@"
1071 check_cpp "$@" <<EOF
1074 #error "unsatisfied condition: $condition"
1084 check_header $header && check_func $func "$@" && add_extralibs "$@"
1092 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1096 log check_lib_cpp "$@"
1100 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1104 log check_pkg_config "$@"
1110 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1111 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1112 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1113 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1114 set_safe ${pkg}_cflags $pkg_cflags &&
1115 set_safe ${pkg}_libs $pkg_libs
1119 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1125 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1126 # are safe but may not be available everywhere. Thus we use
1127 # raise(SIGTERM) instead. The check is run in a subshell so we
1128 # can redirect the "Terminated" message from the shell. SIGBUS
1129 # is not defined by standard C so it is used conditionally.
1131 (check_exec "$@") >> $logfile 2>&1 <<EOF
1133 static void sighandler(int sig){
1139 int (*func_ptr)(void) = foo;
1141 signal(SIGILL, sighandler);
1142 signal(SIGFPE, sighandler);
1143 signal(SIGSEGV, sighandler);
1145 signal(SIGBUS, sighandler);
1157 disable_safe "$type"
1158 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1162 log check_struct "$@"
1167 disable_safe "${struct}_${member}"
1168 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1169 enable_safe "${struct}_${member}"
1173 log check_builtin "$@"
1179 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1182 check_compile_assert(){
1183 log check_compile_assert "$@"
1189 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1197 check_lib $header $func "$@" || die "ERROR: $name not found"
1205 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1213 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1218 check_pkg_config "$@" || return 1
1219 add_cflags $(get_safe ${pkg}_cflags)
1220 add_extralibs $(get_safe ${pkg}_libs)
1223 require_pkg_config(){
1224 use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"
1227 require_libfreetype(){
1228 log require_libfreetype "$@"
1230 check_cmd $pkg_config --exists --print-errors $pkg \
1231 || die "ERROR: $pkg not found"
1232 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1233 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1235 echo "#include <ft2build.h>"
1236 echo "#include FT_FREETYPE_H"
1237 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1238 echo "int main(void) { return 0; }"
1239 } | check_ld "cc" $pkg_cflags $pkg_libs \
1240 && set_safe ${pkg}_cflags $pkg_cflags \
1241 && set_safe ${pkg}_libs $pkg_libs \
1242 || die "ERROR: $pkg not found"
1243 add_cflags $(get_safe ${pkg}_cflags)
1244 add_extralibs $(get_safe ${pkg}_libs)
1248 eval printf '%s\\n' $HOSTCC_E
1252 eval printf '%s\\n' $HOSTCC_O
1256 log check_host_cc "$@"
1259 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1263 log check_host_cpp "$@"
1266 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1269 check_host_cppflags(){
1270 log check_host_cppflags "$@"
1271 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1276 check_host_cflags(){
1277 log check_host_cflags "$@"
1278 set -- $($host_cflags_filter "$@")
1279 check_host_cc "$@" <<EOF && append host_cflags "$@"
1284 check_host_cpp_condition(){
1285 log check_host_cpp_condition "$@"
1289 check_host_cpp "$@" <<EOF
1292 #error "unsatisfied condition: $condition"
1300 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1304 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1305 mkdir -p "$(dirname $2)"
1309 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1310 # system-dependent things.
1327 avio_reading_example
1328 avio_list_dir_example
1329 decoding_encoding_example
1330 demuxing_decoding_example
1332 filter_audio_example
1333 filtering_audio_example
1334 filtering_video_example
1339 resampling_audio_example
1340 scaling_video_example
1341 transcode_aac_example
1345 EXTERNAL_LIBRARY_LIST="
1440 safe_bitstream_reader
1499 $EXTERNAL_LIBRARY_LIST
1507 incompatible_libav_abi
1568 ARCH_EXT_LIST_MIPS="
1578 ARCH_EXT_LIST_X86_SIMD="
1605 $ARCH_EXT_LIST_X86_SIMD
1631 atomic_compare_exchange
1637 sync_val_compare_and_swap
1648 incompatible_libav_abi
1657 cdio_paranoia_paranoia_h
1658 dev_bktr_ioctl_bt848_h
1659 dev_bktr_ioctl_meteor_h
1661 dev_video_bktr_ioctl_bt848_h
1662 dev_video_meteor_ioctl_meteor_h
1670 machine_ioctl_bt848_h
1671 machine_ioctl_meteor_h
1673 openjpeg_1_5_openjpeg_h
1740 GetProcessAffinityMask
1741 GetProcessMemoryInfo
1745 GetSystemTimeAsFileTime
1752 jack_port_get_latency_range
1767 SetConsoleTextAttribute
1779 TOOLCHAIN_FEATURES="
1792 inline_asm_nonlocal_labels
1793 inline_asm_direct_symbol_refs
1804 CONDITION_VARIABLE_Ptr
1808 struct_group_source_req
1809 struct_ip_mreq_source
1812 struct_rusage_ru_maxrss
1813 struct_sctp_event_subscribe
1815 struct_sockaddr_sa_len
1816 struct_sockaddr_storage
1817 struct_stat_st_mtim_tv_nsec
1818 struct_v4l2_frmivalenum_discrete
1823 $(add_suffix _external $ARCH_EXT_LIST)
1824 $(add_suffix _inline $ARCH_EXT_LIST)
1857 # options emitted with CONFIG_ prefix but not available on the command line
1872 frame_thread_encoder
1999 # code dependency declarations
2001 # architecture extensions
2006 armv8_deps="aarch64"
2007 neon_deps_any="aarch64 arm"
2008 intrinsics_neon_deps="neon"
2009 vfp_deps_any="aarch64 arm"
2013 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2015 loongson_deps="mips"
2017 mipsdspr1_deps="mips"
2018 mipsdspr2_deps="mips"
2019 mips32r2_deps="mips"
2020 mips32r5_deps="mips"
2021 mips64r6_deps="mips"
2031 x86_64_select="i686"
2032 x86_64_suggest="fast_cmov"
2035 amd3dnowext_deps="amd3dnow"
2051 mmx_external_deps="yasm"
2052 mmx_inline_deps="inline_asm"
2053 mmx_suggest="mmx_external mmx_inline"
2055 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2056 eval dep=\$${ext}_deps
2057 eval ${ext}_external_deps='"${dep}_external"'
2058 eval ${ext}_inline_deps='"${dep}_inline"'
2059 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2062 aligned_stack_if_any="aarch64 ppc x86"
2063 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2064 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2065 fast_unaligned_if_any="aarch64 ppc x86"
2066 simd_align_16_if_any="altivec neon sse"
2068 # system capabilities
2070 symver_if_any="symver_asm_label symver_gnu_asm"
2073 atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"
2074 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2075 atomics_win32_if="MemoryBarrier"
2076 atomics_native_if_any="$ATOMICS_LIST"
2077 w32threads_deps="atomics_native"
2078 threads_if_any="$THREADS_LIST"
2082 error_resilience_select="me_cmp"
2083 faandct_deps="faan fdctdsp"
2084 faanidct_deps="faan idctdsp"
2085 frame_thread_encoder_deps="encoders threads"
2086 intrax8_select="error_resilience"
2089 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2090 mpeg_er_select="error_resilience"
2091 mpegaudio_select="mpegaudiodsp"
2092 mpegaudiodsp_select="dct"
2093 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp videodsp"
2094 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2098 # decoders / encoders
2099 aac_decoder_select="imdct15 mdct sinewin"
2100 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
2101 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2102 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2103 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2104 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2105 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2106 aic_decoder_select="golomb idctdsp"
2107 alac_encoder_select="lpc"
2108 als_decoder_select="bswapdsp"
2109 amrnb_decoder_select="lsp"
2110 amrwb_decoder_select="lsp"
2111 amv_decoder_select="sp5x_decoder exif"
2112 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2113 ape_decoder_select="bswapdsp llauddsp"
2114 apng_decoder_select="zlib"
2115 apng_encoder_select="huffyuvencdsp zlib"
2116 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2117 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2118 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2119 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2120 atrac1_decoder_select="mdct sinewin"
2121 atrac3_decoder_select="mdct"
2122 atrac3p_decoder_select="mdct sinewin"
2123 avrn_decoder_select="exif jpegtables"
2124 bink_decoder_select="blockdsp hpeldsp"
2125 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2126 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2127 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2128 cllc_decoder_select="bswapdsp"
2129 comfortnoise_encoder_select="lpc"
2130 cook_decoder_select="audiodsp mdct sinewin"
2131 cscd_decoder_select="lzo"
2132 cscd_decoder_suggest="zlib"
2133 dca_decoder_select="fmtconvert mdct"
2134 dirac_decoder_select="dwt golomb videodsp mpegvideoenc"
2135 dnxhd_decoder_select="blockdsp idctdsp"
2136 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2137 dvvideo_decoder_select="dvprofile idctdsp"
2138 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2139 dxa_decoder_select="zlib"
2140 eac3_decoder_select="ac3_decoder"
2141 eac3_encoder_select="ac3_encoder"
2142 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2143 eatgq_decoder_select="aandcttables"
2144 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
2145 exr_decoder_select="zlib"
2146 ffv1_decoder_select="golomb rangecoder"
2147 ffv1_encoder_select="rangecoder"
2148 ffvhuff_decoder_select="huffyuv_decoder"
2149 ffvhuff_encoder_select="huffyuv_encoder"
2150 fic_decoder_select="golomb"
2151 flac_decoder_select="golomb"
2152 flac_encoder_select="bswapdsp golomb lpc"
2153 flashsv_decoder_select="zlib"
2154 flashsv_encoder_select="zlib"
2155 flashsv2_encoder_select="zlib"
2156 flashsv2_decoder_select="zlib"
2157 flv_decoder_select="h263_decoder"
2158 flv_encoder_select="h263_encoder"
2159 fourxm_decoder_select="blockdsp bswapdsp"
2160 fraps_decoder_select="bswapdsp huffman"
2161 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2162 g729_decoder_select="audiodsp"
2163 h261_decoder_select="mpeg_er mpegvideo"
2164 h261_encoder_select="aandcttables mpegvideoenc"
2165 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
2166 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2167 h263i_decoder_select="h263_decoder"
2168 h263p_decoder_select="h263_decoder"
2169 h263p_encoder_select="h263_encoder"
2170 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
2171 h264_decoder_suggest="error_resilience"
2172 h264_qsv_decoder_deps="libmfx"
2173 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2174 h264_qsv_encoder_deps="libmfx"
2175 h264_qsv_encoder_select="qsvenc"
2176 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2177 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2178 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
2179 iac_decoder_select="imc_decoder"
2180 imc_decoder_select="bswapdsp fft mdct sinewin"
2181 indeo3_decoder_select="hpeldsp"
2182 interplay_video_decoder_select="hpeldsp"
2183 jpegls_decoder_select="golomb mjpeg_decoder"
2184 jpegls_encoder_select="golomb"
2185 jv_decoder_select="blockdsp"
2186 lagarith_decoder_select="huffyuvdsp"
2187 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2188 loco_decoder_select="golomb"
2189 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2190 metasound_decoder_select="lsp mdct sinewin"
2191 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2192 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2193 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2194 mjpegb_decoder_select="mjpeg_decoder"
2195 mlp_decoder_select="mlp_parser"
2196 motionpixels_decoder_select="bswapdsp"
2197 mp1_decoder_select="mpegaudio"
2198 mp1float_decoder_select="mpegaudio"
2199 mp2_decoder_select="mpegaudio"
2200 mp2float_decoder_select="mpegaudio"
2201 mp3_decoder_select="mpegaudio"
2202 mp3adu_decoder_select="mpegaudio"
2203 mp3adufloat_decoder_select="mpegaudio"
2204 mp3float_decoder_select="mpegaudio"
2205 mp3on4_decoder_select="mpegaudio"
2206 mp3on4float_decoder_select="mpegaudio"
2207 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2208 mpc8_decoder_select="mpegaudiodsp"
2209 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2210 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2211 mpegvideo_decoder_select="error_resilience mpeg_er mpegvideo"
2212 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2213 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2214 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2215 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2216 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2217 mpeg4_encoder_select="h263_encoder"
2218 msmpeg4v1_decoder_select="h263_decoder"
2219 msmpeg4v2_decoder_select="h263_decoder"
2220 msmpeg4v2_encoder_select="h263_encoder"
2221 msmpeg4v3_decoder_select="h263_decoder"
2222 msmpeg4v3_encoder_select="h263_encoder"
2223 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
2224 mxpeg_decoder_select="mjpeg_decoder"
2225 nellymoser_decoder_select="mdct sinewin"
2226 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2227 nuv_decoder_select="idctdsp lzo"
2228 on2avc_decoder_select="mdct"
2229 opus_decoder_deps="swresample"
2230 opus_decoder_select="imdct15"
2231 png_decoder_select="zlib"
2232 png_encoder_select="huffyuvencdsp zlib"
2233 prores_decoder_select="blockdsp idctdsp"
2234 prores_encoder_select="fdctdsp"
2235 qcelp_decoder_select="lsp"
2236 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2237 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2238 ra_144_decoder_select="audiodsp"
2239 ralf_decoder_select="golomb"
2240 rawvideo_decoder_select="bswapdsp"
2241 rtjpeg_decoder_select="me_cmp"
2242 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2243 rv10_encoder_select="h263_encoder"
2244 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2245 rv20_encoder_select="h263_encoder"
2246 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
2247 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
2248 shorten_decoder_select="golomb"
2249 sipr_decoder_select="lsp"
2250 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2251 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2252 sonic_decoder_select="golomb rangecoder"
2253 sonic_encoder_select="golomb rangecoder"
2254 sonic_ls_encoder_select="golomb rangecoder"
2255 sp5x_decoder_select="mjpeg_decoder"
2256 svq1_decoder_select="hpeldsp"
2257 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2258 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2259 svq3_decoder_suggest="zlib"
2260 tak_decoder_select="audiodsp"
2261 tdsc_decoder_select="zlib mjpeg_decoder"
2262 theora_decoder_select="vp3_decoder"
2263 thp_decoder_select="mjpeg_decoder"
2264 tiff_decoder_suggest="zlib lzma"
2265 tiff_encoder_suggest="zlib"
2266 truehd_decoder_select="mlp_parser"
2267 truemotion2_decoder_select="bswapdsp"
2268 truespeech_decoder_select="bswapdsp"
2269 tscc_decoder_select="zlib"
2270 twinvq_decoder_select="mdct lsp sinewin"
2271 utvideo_decoder_select="bswapdsp"
2272 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2273 vble_decoder_select="huffyuvdsp"
2274 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
2275 vc1image_decoder_select="vc1_decoder"
2276 vorbis_decoder_select="mdct"
2277 vorbis_encoder_select="mdct"
2278 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2279 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
2280 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
2281 vp6a_decoder_select="vp6_decoder"
2282 vp6f_decoder_select="vp6_decoder"
2283 vp7_decoder_select="h264pred videodsp"
2284 vp8_decoder_select="h264pred videodsp"
2285 vp9_decoder_select="videodsp vp9_parser"
2286 webp_decoder_select="vp8_decoder"
2287 wmalossless_decoder_select="llauddsp"
2288 wmapro_decoder_select="mdct sinewin wma_freqs"
2289 wmav1_decoder_select="mdct sinewin wma_freqs"
2290 wmav1_encoder_select="mdct sinewin wma_freqs"
2291 wmav2_decoder_select="mdct sinewin wma_freqs"
2292 wmav2_encoder_select="mdct sinewin wma_freqs"
2293 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2294 wmv1_decoder_select="h263_decoder"
2295 wmv1_encoder_select="h263_encoder"
2296 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"
2297 wmv2_encoder_select="h263_encoder"
2298 wmv3_decoder_select="vc1_decoder"
2299 wmv3image_decoder_select="wmv3_decoder"
2300 zerocodec_decoder_select="zlib"
2301 zlib_decoder_select="zlib"
2302 zlib_encoder_select="zlib"
2303 zmbv_decoder_select="zlib"
2304 zmbv_encoder_select="zlib"
2306 # hardware accelerators
2307 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2308 dxva2_deps="dxva2api_h"
2309 vaapi_deps="va_va_h"
2310 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2311 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2312 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2313 xvmc_deps="X11_extensions_XvMClib_h"
2315 h263_vaapi_hwaccel_deps="vaapi"
2316 h263_vaapi_hwaccel_select="h263_decoder"
2317 h263_vdpau_hwaccel_deps="vdpau"
2318 h263_vdpau_hwaccel_select="h263_decoder"
2319 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2320 h264_dxva2_hwaccel_deps="dxva2"
2321 h264_dxva2_hwaccel_select="h264_decoder"
2322 h264_mmal_decoder_deps="mmal"
2323 h264_mmal_hwaccel_deps="mmal"
2324 h264_mmal_decoder_select="h264_decoder"
2325 h264_mmal_encoder_deps="mmal"
2326 h264_qsv_hwaccel_deps="libmfx"
2327 h264_vaapi_hwaccel_deps="vaapi"
2328 h264_vaapi_hwaccel_select="h264_decoder"
2329 h264_vda_decoder_deps="vda"
2330 h264_vda_decoder_select="h264_decoder"
2331 h264_vda_hwaccel_deps="vda"
2332 h264_vda_hwaccel_select="h264_decoder"
2333 h264_vda_old_hwaccel_deps="vda"
2334 h264_vda_old_hwaccel_select="h264_decoder"
2335 h264_vdpau_decoder_deps="vdpau"
2336 h264_vdpau_decoder_select="h264_decoder"
2337 h264_vdpau_hwaccel_deps="vdpau"
2338 h264_vdpau_hwaccel_select="h264_decoder"
2339 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2340 hevc_dxva2_hwaccel_select="hevc_decoder"
2341 mpeg_vdpau_decoder_deps="vdpau"
2342 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2343 mpeg_xvmc_hwaccel_deps="xvmc"
2344 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2345 mpeg1_vdpau_decoder_deps="vdpau"
2346 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2347 mpeg1_vdpau_hwaccel_deps="vdpau"
2348 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2349 mpeg1_xvmc_hwaccel_deps="xvmc"
2350 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2351 mpeg2_crystalhd_decoder_select="crystalhd"
2352 mpeg2_dxva2_hwaccel_deps="dxva2"
2353 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2354 mpeg2_vaapi_hwaccel_deps="vaapi"
2355 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2356 mpeg2_vdpau_hwaccel_deps="vdpau"
2357 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2358 mpeg2_xvmc_hwaccel_deps="xvmc"
2359 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2360 mpeg4_crystalhd_decoder_select="crystalhd"
2361 mpeg4_vaapi_hwaccel_deps="vaapi"
2362 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2363 mpeg4_vdpau_decoder_deps="vdpau"
2364 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2365 mpeg4_vdpau_hwaccel_deps="vdpau"
2366 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2367 msmpeg4_crystalhd_decoder_select="crystalhd"
2368 vc1_crystalhd_decoder_select="crystalhd"
2369 vc1_dxva2_hwaccel_deps="dxva2"
2370 vc1_dxva2_hwaccel_select="vc1_decoder"
2371 vc1_vaapi_hwaccel_deps="vaapi"
2372 vc1_vaapi_hwaccel_select="vc1_decoder"
2373 vc1_vdpau_decoder_deps="vdpau"
2374 vc1_vdpau_decoder_select="vc1_decoder"
2375 vc1_vdpau_hwaccel_deps="vdpau"
2376 vc1_vdpau_hwaccel_select="vc1_decoder"
2377 wmv3_crystalhd_decoder_select="crystalhd"
2378 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2379 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2380 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2381 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2384 h264_parser_select="h264_decoder"
2385 hevc_parser_select="hevc_decoder"
2386 mpegvideo_parser_select="mpegvideo"
2387 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
2388 vc1_parser_select="mpegvideo startcode vc1_decoder"
2391 mjpeg2jpeg_bsf_select="jpegtables"
2393 # external libraries
2394 libaacplus_encoder_deps="libaacplus"
2395 libcelt_decoder_deps="libcelt"
2396 libdcadec_decoder_deps="libdcadec"
2397 libfaac_encoder_deps="libfaac"
2398 libfaac_encoder_select="audio_frame_queue"
2399 libfdk_aac_decoder_deps="libfdk_aac"
2400 libfdk_aac_encoder_deps="libfdk_aac"
2401 libfdk_aac_encoder_select="audio_frame_queue"
2402 libgme_demuxer_deps="libgme"
2403 libgsm_decoder_deps="libgsm"
2404 libgsm_encoder_deps="libgsm"
2405 libgsm_ms_decoder_deps="libgsm"
2406 libgsm_ms_encoder_deps="libgsm"
2407 libilbc_decoder_deps="libilbc"
2408 libilbc_encoder_deps="libilbc"
2409 libmodplug_demuxer_deps="libmodplug"
2410 libmp3lame_encoder_deps="libmp3lame"
2411 libmp3lame_encoder_select="audio_frame_queue"
2412 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2413 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2414 libopencore_amrnb_encoder_select="audio_frame_queue"
2415 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2416 libopenh264_encoder_deps="libopenh264"
2417 libopenjpeg_decoder_deps="libopenjpeg"
2418 libopenjpeg_encoder_deps="libopenjpeg"
2419 libopus_decoder_deps="libopus"
2420 libopus_encoder_deps="libopus"
2421 libopus_encoder_select="audio_frame_queue"
2422 libquvi_demuxer_deps="libquvi"
2423 libschroedinger_decoder_deps="libschroedinger"
2424 libschroedinger_encoder_deps="libschroedinger"
2425 libshine_encoder_deps="libshine"
2426 libshine_encoder_select="audio_frame_queue"
2427 libspeex_decoder_deps="libspeex"
2428 libspeex_encoder_deps="libspeex"
2429 libspeex_encoder_select="audio_frame_queue"
2430 libstagefright_h264_decoder_deps="libstagefright_h264"
2431 libtheora_encoder_deps="libtheora"
2432 libtwolame_encoder_deps="libtwolame"
2433 libvo_aacenc_encoder_deps="libvo_aacenc"
2434 libvo_aacenc_encoder_select="audio_frame_queue"
2435 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2436 libvorbis_decoder_deps="libvorbis"
2437 libvorbis_encoder_deps="libvorbis"
2438 libvorbis_encoder_select="audio_frame_queue"
2439 libvpx_vp8_decoder_deps="libvpx"
2440 libvpx_vp8_encoder_deps="libvpx"
2441 libvpx_vp9_decoder_deps="libvpx"
2442 libvpx_vp9_encoder_deps="libvpx"
2443 libwavpack_encoder_deps="libwavpack"
2444 libwebp_encoder_deps="libwebp"
2445 libx264_encoder_deps="libx264"
2446 libx264rgb_encoder_deps="libx264"
2447 libx264rgb_encoder_select="libx264_encoder"
2448 libx265_encoder_deps="libx265"
2449 libxavs_encoder_deps="libxavs"
2450 libxvid_encoder_deps="libxvid"
2451 libutvideo_decoder_deps="libutvideo"
2452 libutvideo_encoder_deps="libutvideo"
2453 libzvbi_teletext_decoder_deps="libzvbi"
2454 nvenc_encoder_deps="nvenc"
2455 nvenc_h265_encoder_deps="nvenc"
2458 ac3_demuxer_select="ac3_parser"
2459 asf_demuxer_select="riffdec"
2460 asf_muxer_select="riffenc"
2461 asf_stream_muxer_select="asf_muxer"
2462 avi_demuxer_select="riffdec exif"
2463 avi_muxer_select="riffenc"
2464 avisynth_demuxer_deps="avisynth"
2465 avisynth_demuxer_select="riffdec"
2466 caf_demuxer_select="riffdec"
2467 dash_muxer_select="mp4_muxer"
2468 dirac_demuxer_select="dirac_parser"
2469 dts_demuxer_select="dca_parser"
2470 dtshd_demuxer_select="dca_parser"
2471 dv_demuxer_select="dvprofile"
2472 dv_muxer_select="dvprofile"
2473 dxa_demuxer_select="riffdec"
2474 eac3_demuxer_select="ac3_parser"
2475 f4v_muxer_select="mov_muxer"
2476 flac_demuxer_select="flac_parser"
2477 hds_muxer_select="flv_muxer"
2478 hls_muxer_select="mpegts_muxer"
2479 image2_alias_pix_demuxer_select="image2_demuxer"
2480 image2_brender_pix_demuxer_select="image2_demuxer"
2481 ipod_muxer_select="mov_muxer"
2482 ismv_muxer_select="mov_muxer"
2483 libnut_demuxer_deps="libnut"
2484 libnut_muxer_deps="libnut"
2485 matroska_audio_muxer_select="matroska_muxer"
2486 matroska_demuxer_select="riffdec"
2487 matroska_demuxer_suggest="bzlib lzo zlib"
2488 matroska_muxer_select="riffenc"
2489 mmf_muxer_select="riffenc"
2490 mov_demuxer_select="riffdec"
2491 mov_demuxer_suggest="zlib"
2492 mov_muxer_select="riffenc rtpenc_chain"
2493 mp3_demuxer_select="mpegaudio_parser"
2494 mp4_muxer_select="mov_muxer"
2495 mpegts_muxer_select="adts_muxer latm_muxer"
2496 mpegtsraw_demuxer_select="mpegts_demuxer"
2497 mxf_d10_muxer_select="mxf_muxer"
2498 mxf_opatom_muxer_select="mxf_muxer"
2499 nut_muxer_select="riffenc"
2500 nuv_demuxer_select="riffdec"
2501 oga_muxer_select="ogg_muxer"
2502 ogg_demuxer_select="golomb"
2503 opus_muxer_select="ogg_muxer"
2504 psp_muxer_select="mov_muxer"
2505 rtp_demuxer_select="sdp_demuxer"
2506 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2507 rtsp_demuxer_select="http_protocol rtpdec"
2508 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2509 sap_demuxer_select="sdp_demuxer"
2510 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2511 sdp_demuxer_select="rtpdec"
2512 smoothstreaming_muxer_select="ismv_muxer"
2513 spdif_muxer_select="aac_parser"
2514 spx_muxer_select="ogg_muxer"
2515 tak_demuxer_select="tak_parser"
2516 tg2_muxer_select="mov_muxer"
2517 tgp_muxer_select="mov_muxer"
2518 vobsub_demuxer_select="mpegps_demuxer"
2519 w64_demuxer_select="wav_demuxer"
2520 w64_muxer_select="wav_muxer"
2521 wav_demuxer_select="riffdec"
2522 wav_muxer_select="riffenc"
2523 webm_muxer_select="riffenc"
2524 wtv_demuxer_select="riffdec"
2525 wtv_muxer_select="riffenc"
2526 xmv_demuxer_select="riffdec"
2527 xwma_demuxer_select="riffdec"
2530 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2531 alsa_outdev_deps="alsa_asoundlib_h"
2532 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2533 avfoundation_indev_select="avfoundation"
2534 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2535 caca_outdev_deps="libcaca"
2536 decklink_outdev_deps="decklink pthreads"
2537 decklink_outdev_extralibs="-lstdc++"
2538 decklink_indev_deps="decklink pthreads"
2539 decklink_indev_extralibs="-lstdc++"
2540 dshow_indev_deps="IBaseFilter"
2541 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32"
2542 dv1394_indev_deps="dv1394"
2543 dv1394_indev_select="dv_demuxer"
2544 fbdev_indev_deps="linux_fb_h"
2545 fbdev_outdev_deps="linux_fb_h"
2546 gdigrab_indev_deps="CreateDIBSection"
2547 gdigrab_indev_extralibs="-lgdi32"
2548 gdigrab_indev_select="bmp_decoder"
2549 iec61883_indev_deps="libiec61883"
2550 jack_indev_deps="jack_jack_h sem_timedwait"
2551 lavfi_indev_deps="avfilter"
2552 libcdio_indev_deps="libcdio"
2553 libdc1394_indev_deps="libdc1394"
2554 libv4l2_indev_deps="libv4l2"
2555 openal_indev_deps="openal"
2556 opengl_outdev_deps="opengl"
2557 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2558 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2559 pulse_indev_deps="libpulse"
2560 pulse_outdev_deps="libpulse"
2561 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2562 qtkit_indev_select="qtkit"
2563 sdl_outdev_deps="sdl"
2564 sndio_indev_deps="sndio_h"
2565 sndio_outdev_deps="sndio_h"
2566 v4l_indev_deps="linux_videodev_h"
2567 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2568 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2569 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2570 vfwcap_indev_extralibs="-lavicap32"
2571 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2572 xv_outdev_extralibs="-lXv -lX11 -lXext"
2573 x11grab_indev_deps="x11grab"
2574 x11grab_xcb_indev_deps="libxcb"
2577 bluray_protocol_deps="libbluray"
2578 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2579 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2580 ffrtmpcrypt_protocol_select="tcp_protocol"
2581 ffrtmphttp_protocol_deps="!librtmp_protocol"
2582 ffrtmphttp_protocol_select="http_protocol"
2583 ftp_protocol_select="tcp_protocol"
2584 gopher_protocol_select="network"
2585 http_protocol_select="tcp_protocol"
2586 httpproxy_protocol_select="tcp_protocol"
2587 https_protocol_select="tls_protocol"
2588 icecast_protocol_select="http_protocol"
2589 librtmp_protocol_deps="librtmp"
2590 librtmpe_protocol_deps="librtmp"
2591 librtmps_protocol_deps="librtmp"
2592 librtmpt_protocol_deps="librtmp"
2593 librtmpte_protocol_deps="librtmp"
2594 libsmbclient_protocol_deps="libsmbclient gplv3"
2595 libssh_protocol_deps="libssh"
2596 mmsh_protocol_select="http_protocol"
2597 mmst_protocol_select="network"
2598 rtmp_protocol_deps="!librtmp_protocol"
2599 rtmp_protocol_select="tcp_protocol"
2600 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2601 rtmps_protocol_deps="!librtmp_protocol"
2602 rtmps_protocol_select="tls_protocol"
2603 rtmpt_protocol_select="ffrtmphttp_protocol"
2604 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2605 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2606 rtp_protocol_select="udp_protocol"
2607 sctp_protocol_deps="struct_sctp_event_subscribe"
2608 sctp_protocol_select="network"
2609 srtp_protocol_select="rtp_protocol"
2610 tcp_protocol_select="network"
2611 tls_protocol_deps_any="openssl gnutls"
2612 tls_protocol_select="tcp_protocol"
2613 udp_protocol_select="network"
2614 udplite_protocol_select="network"
2615 unix_protocol_deps="sys_un_h"
2616 unix_protocol_select="network"
2619 amovie_filter_deps="avcodec avformat"
2620 aresample_filter_deps="swresample"
2621 ass_filter_deps="libass"
2622 asyncts_filter_deps="avresample"
2623 atempo_filter_deps="avcodec"
2624 atempo_filter_select="rdft"
2625 azmq_filter_deps="libzmq"
2626 blackframe_filter_deps="gpl"
2627 boxblur_filter_deps="gpl"
2628 bs2b_filter_deps="libbs2b"
2629 colormatrix_filter_deps="gpl"
2630 cropdetect_filter_deps="gpl"
2631 delogo_filter_deps="gpl"
2632 deshake_filter_select="pixelutils"
2633 drawtext_filter_deps="libfreetype"
2634 ebur128_filter_deps="gpl"
2635 eq_filter_deps="gpl"
2636 fftfilt_filter_deps="avcodec"
2637 fftfilt_filter_select="rdft"
2638 flite_filter_deps="libflite"
2639 frei0r_filter_deps="frei0r dlopen"
2640 frei0r_src_filter_deps="frei0r dlopen"
2641 fspp_filter_deps="gpl"
2642 geq_filter_deps="gpl"
2643 histeq_filter_deps="gpl"
2644 hqdn3d_filter_deps="gpl"
2645 interlace_filter_deps="gpl"
2646 kerndeint_filter_deps="gpl"
2647 ladspa_filter_deps="ladspa dlopen"
2648 mcdeint_filter_deps="avcodec gpl"
2649 movie_filter_deps="avcodec avformat"
2650 mpdecimate_filter_deps="gpl"
2651 mpdecimate_filter_select="pixelutils"
2652 mptestsrc_filter_deps="gpl"
2653 negate_filter_deps="lut_filter"
2654 perspective_filter_deps="gpl"
2655 pp7_filter_deps="gpl"
2656 ocv_filter_deps="libopencv"
2657 owdenoise_filter_deps="gpl"
2658 pan_filter_deps="swresample"
2659 phase_filter_deps="gpl"
2660 pp_filter_deps="gpl postproc"
2661 pullup_filter_deps="gpl"
2662 removelogo_filter_deps="avcodec avformat swscale"
2663 repeatfields_filter_deps="gpl"
2664 resample_filter_deps="avresample"
2665 sab_filter_deps="gpl swscale"
2666 scale_filter_deps="swscale"
2667 select_filter_select="pixelutils"
2668 smartblur_filter_deps="gpl swscale"
2669 showspectrum_filter_deps="avcodec"
2670 showspectrum_filter_select="rdft"
2671 spp_filter_deps="gpl avcodec"
2672 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
2673 stereo3d_filter_deps="gpl"
2674 subtitles_filter_deps="avformat avcodec libass"
2675 super2xsai_filter_deps="gpl"
2676 tinterlace_filter_deps="gpl"
2677 vidstabdetect_filter_deps="libvidstab"
2678 vidstabtransform_filter_deps="libvidstab"
2679 pixfmts_super2xsai_test_deps="super2xsai_filter"
2680 tinterlace_merge_test_deps="tinterlace_filter"
2681 tinterlace_pad_test_deps="tinterlace_filter"
2682 uspp_filter_deps="gpl avcodec"
2683 zmq_filter_deps="libzmq"
2684 zoompan_filter_deps="swscale"
2687 avio_reading="avformat avcodec avutil"
2688 avio_list_dir="avformat avutil"
2689 avcodec_example_deps="avcodec avutil"
2690 decoding_encoding_example_deps="avcodec avformat avutil"
2691 demuxing_decoding_example_deps="avcodec avformat avutil"
2692 extract_mvs_example_deps="avcodec avformat avutil"
2693 filter_audio_example_deps="avfilter avutil"
2694 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2695 filtering_video_example_deps="avfilter avcodec avformat avutil"
2696 metadata_example_deps="avformat avutil"
2697 muxing_example_deps="avcodec avformat avutil swscale"
2698 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2699 remuxing_example_deps="avcodec avformat avutil"
2700 resampling_audio_example_deps="avutil swresample"
2701 scaling_video_example_deps="avutil swscale"
2702 transcode_aac_example_deps="avcodec avformat swresample"
2703 transcoding_example_deps="avfilter avcodec avformat avutil"
2705 # libraries, in linking order
2706 avcodec_deps="avutil"
2707 avdevice_deps="avformat avcodec avutil"
2708 avfilter_deps="avutil"
2709 avformat_deps="avcodec avutil"
2710 avresample_deps="avutil"
2711 postproc_deps="avutil gpl"
2712 swresample_deps="avutil"
2713 swscale_deps="avutil"
2716 ffmpeg_deps="avcodec avfilter avformat swresample"
2717 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2719 setpts_filter trim_filter"
2720 ffplay_deps="avcodec avformat swscale swresample sdl"
2721 ffplay_libs='$sdl_libs'
2722 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
2723 ffprobe_deps="avcodec avformat"
2724 ffserver_deps="avformat fork sarestart"
2725 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2728 podpages_deps="perl"
2729 manpages_deps="perl pod2man"
2730 htmlpages_deps="perl"
2731 htmlpages_deps_any="makeinfo_html texi2html"
2732 txtpages_deps="perl makeinfo"
2733 doc_deps_any="manpages htmlpages podpages txtpages"
2735 # default parameters
2737 logfile="config.log"
2739 # installation paths
2740 prefix_default="/usr/local"
2741 bindir_default='${prefix}/bin'
2742 datadir_default='${prefix}/share/ffmpeg'
2743 docdir_default='${prefix}/share/doc/ffmpeg'
2744 incdir_default='${prefix}/include'
2745 libdir_default='${prefix}/lib'
2746 mandir_default='${prefix}/share/man'
2752 host_cc_default="gcc"
2754 doxygen_default="doxygen"
2759 pkg_config_default=pkg-config
2760 if ranlib 2>&1 | grep -q "\-D "; then
2761 ranlib_default="ranlib -D"
2763 ranlib_default="ranlib"
2765 strip_default="strip"
2766 yasmexe_default="yasm"
2767 windres_default="windres"
2770 target_os_default=$(tolower $(uname -s))
2771 host_os=$target_os_default
2774 if test "$target_os_default" = aix; then
2775 arch_default=$(uname -p)
2776 strip_default="strip -X32_64"
2778 arch_default=$(uname -m)
2783 # configurable options
2784 enable $PROGRAM_LIST
2785 enable $DOCUMENT_LIST
2786 enable $EXAMPLE_LIST
2787 enable $(filter_out avresample $LIBRARY_LIST)
2793 enable faan faandct faanidct
2794 enable optimizations
2795 enable runtime_cpudetect
2796 enable safe_bitstream_reader
2798 enable swscale_alpha
2800 sws_max_filter_size_default=256
2801 set_default sws_max_filter_size
2803 # Enable hwaccels by default.
2804 enable dxva2 vaapi vda vdpau xvmc
2808 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2811 FULLNAME='$(NAME)$(BUILDSUF)'
2812 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2815 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2816 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2817 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2818 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2819 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2820 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2842 host_cflags_filter=echo
2843 host_ldflags_filter=echo
2845 target_path='$(CURDIR)'
2847 # since the object filename is not given with the -MM flag, the compiler
2848 # is only able to print the basename, and we must add the path ourselves
2849 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2853 if test -f configure; then
2856 source_path=$(cd $(dirname "$0"); pwd)
2857 echo "$source_path" | grep -q '[[:blank:]]' &&
2858 die "Out of tree builds are impossible with whitespace in source path."
2859 test -e "$source_path/config.h" &&
2860 die "Out of tree builds are impossible with config.h in source dir."
2867 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2873 file=$source_path/$3
2874 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2877 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2878 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2879 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2880 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2881 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2882 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2883 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2884 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2885 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2886 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2887 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2903 for n in $COMPONENT_LIST; do
2904 v=$(toupper ${n%s})_LIST
2906 eval ${n}_if_any="\$$v"
2909 enable $ARCH_EXT_LIST
2912 echo "Unknown option \"$1\"."
2913 echo "See $0 --help for available options."
2918 cat | tr ' ' '\n' | sort | pr -r -3 -t
2924 echo $* | sed s/$suffix//g | print_3_columns
2936 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2937 echo "prob ${prob:-0.5}"
2945 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2946 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2955 --extra-ldexeflags=*)
2956 add_ldexeflags $optval
2959 add_extralibs $optval
2962 disable $INDEV_LIST $OUTDEV_LIST
2965 debuglevel="$optval"
2968 disable $PROGRAM_LIST
2970 --disable-everything)
2971 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2974 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2975 disable $LIBRARY_LIST $PROGRAM_LIST doc
2977 --enable-random|--disable-random)
2978 action=${opt%%-random}
2979 do_random ${action#--} $COMPONENT_LIST
2981 --enable-random=*|--disable-random=*)
2982 action=${opt%%-random=*}
2983 do_random ${action#--} $optval
2985 --enable-*=*|--disable-*=*)
2986 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2987 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2988 eval list=\$$(toupper $thing)_LIST
2989 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2990 list=$(filter "$name" $list)
2991 [ "$list" = "" ] && warn "Option $opt did not match anything"
2994 --enable-?*|--disable-?*)
2995 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2996 if is_in $option $COMPONENT_LIST; then
2997 test $action = disable && action=unset
2998 eval $action \$$(toupper ${option%s})_LIST
2999 elif is_in $option $CMDLINE_SELECT; then
3006 NAME="${opt#--list-}"
3007 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3009 eval show_list $NAME \$$(toupper $NAME)_LIST
3011 --help|-h) show_help
3013 --fatal-warnings) enable fatal_warnings
3016 optname="${opt%%=*}"
3017 optname="${optname#--}"
3018 optname=$(echo "$optname" | sed 's/-/_/g')
3019 if is_in $optname $CMDLINE_SET; then
3020 eval $optname='$optval'
3021 elif is_in $optname $CMDLINE_APPEND; then
3022 append $optname "$optval"
3030 disabled logging && logfile=/dev/null
3032 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3035 test -n "$valgrind" && toolchain="valgrind-memcheck"
3037 case "$toolchain" in
3040 add_cflags -fsanitize=address
3041 add_ldflags -fsanitize=address
3045 add_cflags -fsanitize=thread -pie
3046 add_ldflags -fsanitize=thread -pie
3050 add_cflags -fsanitize=undefined
3051 add_ldflags -fsanitize=undefined
3055 add_cflags -fsanitize=address
3056 add_ldflags -fsanitize=address
3060 add_cflags -fsanitize=thread -pie -fPIC
3061 add_ldflags -fsanitize=thread -pie -fPIC
3065 add_cflags -fsanitize=undefined
3066 add_ldflags -fsanitize=undefined
3069 target_exec_default=${valgrind:-"valgrind"}
3070 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"
3073 target_exec_default=${valgrind:-"valgrind"}
3074 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3077 # Check whether the current MSVC version needs the C99 converter.
3078 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3079 # support enough of C99 to build ffmpeg. Default to the new
3080 # behaviour if the regexp was unable to match anything, since this
3081 # successfully parses the version number of existing supported
3082 # versions that require the converter (MSVC 2010 and 2012).
3083 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3084 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3087 cc_default="c99wrap cl"
3090 nm_default="dumpbin -symbols"
3092 target_os_default="win32"
3093 # Use a relative path for TMPDIR. This makes sure all the
3094 # ffconf temp files are written with a relative path, avoiding
3095 # issues with msys/win32 path conversion for MSVC parameters
3096 # such as -Fo<file> or -out:<file>.
3102 nm_default="dumpbin -symbols"
3104 target_os_default="win32"
3108 add_cflags -fprofile-arcs -ftest-coverage
3109 add_ldflags -fprofile-arcs -ftest-coverage
3112 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3113 add_cflags -fno-strict-overflow -fstack-protector-all
3114 add_ldflags -Wl,-z,relro -Wl,-z,now
3117 die "Unknown toolchain $toolchain"
3121 test -n "$cross_prefix" && enable cross_compile
3123 if enabled cross_compile; then
3124 test -n "$arch" && test -n "$target_os" ||
3125 die "Must specify target arch and OS when cross-compiling"
3128 ar_default="${cross_prefix}${ar_default}"
3129 cc_default="${cross_prefix}${cc_default}"
3130 cxx_default="${cross_prefix}${cxx_default}"
3131 nm_default="${cross_prefix}${nm_default}"
3132 pkg_config_default="${cross_prefix}${pkg_config_default}"
3133 ranlib_default="${cross_prefix}${ranlib_default}"
3134 strip_default="${cross_prefix}${strip_default}"
3135 windres_default="${cross_prefix}${windres_default}"
3137 sysinclude_default="${sysroot}/usr/include"
3139 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3140 target_exec target_os yasmexe
3141 enabled cross_compile || host_cc_default=$cc
3144 pkg_config_fail_message=""
3145 if ! $pkg_config --version >/dev/null 2>&1; then
3146 warn "$pkg_config not found, library detection may fail."
3148 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3149 pkg_config_fail_message="
3150 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3153 if test $doxygen != $doxygen_default && \
3154 ! $doxygen --version >/dev/null 2>&1; then
3155 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3160 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3164 EXESUF=$(exesuf $target_os)
3165 HOSTEXESUF=$(exesuf $host_os)
3167 # set temporary file name
3168 : ${TMPDIR:=$TEMPDIR}
3172 if [ -n "$tempprefix" ] ; then
3174 echo $tempprefix.${HOSTNAME}.${UID}
3176 elif ! check_cmd mktemp -u XXXXXX; then
3177 # simple replacement for missing mktemp
3178 # NOT SAFE FOR GENERAL USE
3180 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3185 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3186 (set -C; exec > $tmp) 2>/dev/null ||
3187 die "Unable to create temporary file in $TMPDIR."
3188 append TMPFILES $tmp
3192 trap 'rm -f -- $TMPFILES' EXIT
3197 tmpfile TMPE $EXESUF
3209 # make sure we can execute files in $TMPDIR
3210 cat > $TMPSH 2>> $logfile <<EOF
3213 chmod +x $TMPSH >> $logfile 2>&1
3214 if ! $TMPSH >> $logfile 2>&1; then
3216 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3217 variable to another directory and make sure that it is not mounted noexec.
3219 die "Sanity test failed."
3225 # Filter out MSVC cl.exe options from cflags that shouldn't
3226 # be passed to gas-preprocessor
3236 -std=c99) echo -c99 ;;
3237 -mcpu=*) echo -arch ${flag#*=} ;;
3238 -mieee) echo -ieee ;;
3239 -O*|-fast) echo $flag ;;
3240 -fno-math-errno) echo -assume nomath_errno ;;
3242 -Wall) echo -msg_enable level2 ;;
3243 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3244 -Wl,*) echo $flag ;;
3254 -Wno-switch) echo -Wno-switch-enum ;;
3255 -Wno-format-zero-length) ;;
3256 -Wdisabled-optimization) ;;
3257 -Wno-pointer-sign) echo -Wno-other ;;
3263 msvc_common_flags(){
3266 # In addition to specifying certain flags under the compiler
3267 # specific filters, they must be specified here as well or else the
3268 # generic catch all at the bottom will print the original flag.
3272 -fomit-frame-pointer) ;;
3276 -fno-signed-zeros) ;;
3280 -lz) echo zlib.lib ;;
3281 -lavifil32) echo vfw32.lib ;;
3282 -lavicap32) echo vfw32.lib user32.lib ;;
3283 -l*) echo ${flag#-l}.lib ;;
3284 -L*) echo -libpath:${flag#-L} ;;
3291 msvc_common_flags "$@"
3294 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3295 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3296 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3298 -wd4273 -wd4554 -wd4701 ;;
3304 msvc_common_flags "$@"
3307 # Despite what Intel's documentation says -Wall, which is supported
3308 # on Windows, does enable remarks so disable them here.
3309 -Wall) echo $flag -Qdiag-disable:remark ;;
3310 -std=c99) echo -Qstd=c99 ;;
3328 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3329 -fomit-frame-pointer) echo -Mnoframe ;;
3340 case "${flag#*=}" in
3341 native) echo -xtarget=native ;;
3342 v9|niagara) echo -xarch=sparc ;;
3343 ultrasparc) echo -xarch=sparcvis ;;
3344 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3345 i586|pentium) echo -xchip=pentium ;;
3346 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3347 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3348 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3349 pentium4*) echo -xtarget=pentium4 ;;
3350 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3351 *-sse3) echo -xarch=sse3 ;;
3352 core2) echo -xarch=ssse3 -xchip=core2 ;;
3353 bonnell) echo -xarch=ssse3 ;;
3354 corei7|nehalem) echo -xtarget=nehalem ;;
3355 westmere) echo -xtarget=westmere ;;
3356 silvermont) echo -xarch=sse4_2 ;;
3357 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3358 core-avx*|ivybridge|haswell|broadwell)
3360 amdfam10|barcelona) echo -xtarget=barcelona ;;
3361 btver1) echo -xarch=amdsse4a ;;
3362 btver2|bdver*) echo -xarch=avx ;;
3363 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3364 k8|opteron|athlon64|athlon-fx)
3365 echo -xarch=sse2a ;;
3366 athlon*) echo -xarch=pentium_proa ;;
3369 -std=c99) echo -xc99 ;;
3370 -fomit-frame-pointer) echo -xregs=frameptr ;;
3371 -fPIC) echo -KPIC -xcode=pic32 ;;
3372 -W*,*) echo $flag ;;
3373 -f*-*|-W*|-mimpure-text) ;;
3384 case "${flag#*=}" in
3385 armv7-a|cortex-a*) echo -mv=7a8 ;;
3386 armv7-r|cortex-r*) echo -mv=7r4 ;;
3387 armv7-m|cortex-m*) echo -mv=7m3 ;;
3388 armv6*|arm11*) echo -mv=6 ;;
3389 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3391 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3394 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3395 -mfpu=vfp) echo --float_support=vfpv2 ;;
3396 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3397 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3398 -msoft-float) echo --float_support=vfplib ;;
3399 -O[0-3]|-mf=*) echo $flag ;;
3401 -pds=*) echo $flag ;;
3402 -D*|-I*) echo $flag ;;
3403 --gcc|--abi=*) echo $flag ;;
3413 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3414 unset _ld_o _ldflags _ld_lib _ld_path
3415 unset _depflags _DEPCMD _DEPFLAGS
3418 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3419 true # no-op to avoid reading stdin in following checks
3420 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3422 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
3423 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
3424 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3427 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3429 gcc_version=$($_cc --version | head -n1)
3430 gcc_basever=$($_cc -dumpversion)
3431 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3432 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3433 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3434 if ! $_cc -dumpversion | grep -q '^2\.'; then
3435 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3439 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3441 _ident=$($_cc --version | head -n1)
3446 _flags_filter=icc_flags
3447 elif $_cc -v 2>&1 | grep -q xlc; then
3449 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3451 _cflags_size='-O5 -qcompact'
3452 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3454 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3456 _cflags_speed='-fast'
3458 _flags_filter=ccc_flags
3459 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3460 test -d "$sysroot" || die "No valid sysroot specified."
3462 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3463 armcc_conf="$PWD/armcc.conf"
3464 $_cc --arm_linux_configure \
3465 --arm_linux_config_file="$armcc_conf" \
3466 --configure_sysroot="$sysroot" \
3467 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3468 die "Error creating armcc configuration file."
3469 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3470 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3471 as_default="${cross_prefix}gcc"
3475 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3477 _ident=$($_cc -version | head -n1 | tr -s ' ')
3478 _flags='--gcc --abi=eabi -me'
3481 _depflags='-ppa -ppd=$(@:.o=.d)'
3482 _cflags_speed='-O3 -mf=5'
3483 _cflags_size='-O3 -mf=2'
3484 _flags_filter=tms470_flags
3485 elif $_cc -v 2>&1 | grep -q clang; then
3487 _ident=$($_cc --version | head -n1)
3488 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3491 elif $_cc -V 2>&1 | grep -q Sun; then
3493 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3494 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3495 _DEPFLAGS='-xM1 -xc99'
3498 _cflags_size='-O5 -xspace'
3499 _flags_filter=suncc_flags
3500 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3502 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3503 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3506 _flags_filter='filter_out -Wdisabled-optimization'
3507 elif $_cc -v 2>&1 | grep -q Open64; then
3509 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3510 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3513 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3514 elif $_cc -V 2>&1 | grep -q Portland; then
3516 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3517 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3518 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3519 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3521 _flags_filter=pgi_flags
3522 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3524 _ident=$($_cc | head -n1)
3525 # 4509: "This form of conditional instruction is deprecated"
3526 _flags="-nologo -ignore 4509"
3527 _flags_filter=armasm_flags
3528 elif $_cc 2>&1 | grep -q Intel; then
3530 _ident=$($cc 2>&1 | head -n1)
3531 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3532 # Not only is O3 broken on 13.x+ but it is slower on all previous
3533 # versions (tested) as well.
3535 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3536 if $_cc 2>&1 | grep -q Linker; then
3543 _flags_filter=icl_flags
3545 _ld_path='-libpath:'
3546 # -Qdiag-error to make icl error when seeing certain unknown arguments
3547 _flags='-nologo -Qdiag-error:4044,10157'
3548 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3549 # with MSVC which enables it by default.
3550 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3551 if [ $pfx = hostcc ]; then
3552 append _cflags -Dsnprintf=_snprintf
3555 elif $_cc 2>&1 | grep -q Microsoft; then
3557 _ident=$($cc 2>&1 | head -n1)
3558 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3559 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3562 if $_cc 2>&1 | grep -q Linker; then
3569 _flags_filter=msvc_flags
3571 _ld_path='-libpath:'
3573 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3574 if [ $pfx = hostcc ]; then
3575 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -le 18 ]; then
3576 append _cflags -Dsnprintf=_snprintf
3580 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3582 _ident=$($_cc --version | head -n1)
3586 _flags_filter=cparser_flags
3589 eval ${pfx}_type=\$_type
3590 eval ${pfx}_ident=\$_ident
3594 eval ${1}_C=\${_cc_c-\${${1}_C}}
3595 eval ${1}_E=\${_cc_e-\${${1}_E}}
3596 eval ${1}_O=\${_cc_o-\${${1}_O}}
3598 if [ -n "$_depflags" ]; then
3599 eval ${1}_DEPFLAGS=\$_depflags
3601 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3602 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3603 eval DEP${1}FLAGS=\$_flags
3608 cflags_filter=$_flags_filter
3609 cflags_speed=$_cflags_speed
3610 cflags_size=$_cflags_size
3611 cflags_noopt=$_cflags_noopt
3612 add_cflags $_flags $_cflags
3613 cc_ldflags=$_ldflags
3616 probe_cc hostcc "$host_cc"
3617 host_cflags_filter=$_flags_filter
3618 add_host_cflags $_flags $_cflags
3621 test -n "$cc_type" && enable $cc_type ||
3622 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3624 : ${as_default:=$cc}
3625 : ${dep_cc_default:=$cc}
3626 : ${ld_default:=$cc}
3627 : ${host_ld_default:=$host_cc}
3628 set_default ar as dep_cc ld host_ld windres
3631 asflags_filter=$_flags_filter
3632 add_asflags $_flags $_cflags
3636 ldflags_filter=$_flags_filter
3637 add_ldflags $_flags $_ldflags
3638 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3640 LD_LIB=${_ld_lib-$LD_LIB}
3641 LD_PATH=${_ld_path-$LD_PATH}
3643 probe_cc hostld "$host_ld"
3644 host_ldflags_filter=$_flags_filter
3645 add_host_ldflags $_flags $_ldflags
3646 HOSTLD_O=${_ld_o-$HOSTLD_O}
3648 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3649 probe_cc depcc "$dep_cc"
3650 CCDEP=${_DEPCMD:-$DEPCMD}
3651 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3655 if $ar 2>&1 | grep -q Microsoft; then
3658 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3661 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3662 arflags='-Xany -r -c'
3664 elif $ar 2>&1 | grep -q "\[D\] "; then
3672 add_cflags $extra_cflags
3673 add_cxxflags $extra_cxxflags
3674 add_asflags $extra_cflags
3676 if test -n "$sysroot"; then
3679 add_cppflags --sysroot="$sysroot"
3680 add_ldflags --sysroot="$sysroot"
3681 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
3682 add_cppflags -isysroot "$sysroot"
3683 add_ldflags -isysroot "$sysroot"
3686 add_cppflags -I"$sysinclude"
3687 add_ldflags --sysroot="$sysroot"
3692 if test "$cpu" = host; then
3693 enabled cross_compile &&
3694 die "--cpu=host makes no sense when cross-compiling."
3699 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3701 s/.*$1=\\([^ ]*\\).*/\\1/
3706 cpu=$(check_native -march || check_native -mcpu)
3710 test "${cpu:-host}" = host &&
3711 die "--cpu=host not supported with compiler $cc"
3714 # Deal with common $arch aliases
3728 "Power Macintosh"|ppc*|powerpc*)
3743 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3748 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3751 # Add processor-specific flags
3752 if enabled aarch64; then
3756 cpuflags="-march=$cpu"
3759 cpuflags="-mcpu=$cpu"
3763 elif enabled alpha; then
3765 cpuflags="-mcpu=$cpu"
3767 elif enabled arm; then
3770 check_cpp_condition stddef.h \
3771 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3776 if check_arm_arch 4; then echo armv4;
3777 elif check_arm_arch 4T; then echo armv4t;
3778 elif check_arm_arch 5; then echo armv5;
3779 elif check_arm_arch 5E; then echo armv5e;
3780 elif check_arm_arch 5T; then echo armv5t;
3781 elif check_arm_arch 5TE; then echo armv5te;
3782 elif check_arm_arch 5TEJ; then echo armv5te;
3783 elif check_arm_arch 6; then echo armv6;
3784 elif check_arm_arch 6J; then echo armv6j;
3785 elif check_arm_arch 6K; then echo armv6k;
3786 elif check_arm_arch 6Z; then echo armv6z;
3787 elif check_arm_arch 6ZK; then echo armv6zk;
3788 elif check_arm_arch 6T2; then echo armv6t2;
3789 elif check_arm_arch 7; then echo armv7;
3790 elif check_arm_arch 7A 7_A; then echo armv7-a;
3791 elif check_arm_arch 7S; then echo armv7-a;
3792 elif check_arm_arch 7R 7_R; then echo armv7-r;
3793 elif check_arm_arch 7M 7_M; then echo armv7-m;
3794 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3795 elif check_arm_arch 8A 8_A; then echo armv8-a;
3799 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3803 cpuflags="-march=$cpu"
3804 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3807 cpuflags="-mcpu=$cpu"
3809 cortex-a*) subarch=armv7a ;;
3810 cortex-r*) subarch=armv7r ;;
3811 cortex-m*) enable thumb; subarch=armv7m ;;
3812 arm11*) subarch=armv6 ;;
3813 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3814 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3815 *) subarch=$(probe_arm_arch) ;;
3821 armv5t*) enable fast_clz ;;
3824 disabled fast_unaligned || enable fast_unaligned
3828 elif enabled avr32; then
3833 cpuflags="-mpart=$cpu"
3837 cpuflags="-march=$cpu"
3841 cpuflags="-mcpu=$cpu"
3845 cpuflags="-march=$cpu"
3849 elif enabled bfin; then
3851 cpuflags="-mcpu=$cpu"
3853 elif enabled mips; then
3855 cpuflags="-march=$cpu"
3880 24kef*|34kf*|1004kf*)
3902 check_cflags "-mtune=p5600"
3910 check_cflags "-mtune=i6400 -mabi=64"
3911 check_ldflags "-mabi=64"
3920 elif enabled ppc; then
3925 case $(tolower $cpu) in
3926 601|ppc601|powerpc601)
3927 cpuflags="-mcpu=601"
3930 603*|ppc603*|powerpc603*)
3931 cpuflags="-mcpu=603"
3934 604*|ppc604*|powerpc604*)
3935 cpuflags="-mcpu=604"
3938 g3|75*|ppc75*|powerpc75*)
3939 cpuflags="-mcpu=750"
3942 g4|745*|ppc745*|powerpc745*)
3943 cpuflags="-mcpu=7450"
3945 74*|ppc74*|powerpc74*)
3946 cpuflags="-mcpu=7400"
3948 g5|970|ppc970|powerpc970)
3949 cpuflags="-mcpu=970"
3952 cpuflags="-mcpu=$cpu"
3955 cpuflags="-mcpu=cell"
3959 cpuflags="-mcpu=e500mc"
3963 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3968 cpuflags="-mcpu=8540 -mhard-float"
3974 elif enabled sparc; then
3977 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3978 cpuflags="-mcpu=$cpu"
3980 ultrasparc*|niagara[234])
3981 cpuflags="-mcpu=$cpu"
3985 elif enabled x86; then
3989 cpuflags="-march=$cpu"
3993 # targets that do NOT support nopl and conditional mov (cmov)
3994 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3995 cpuflags="-march=$cpu"
3998 # targets that do support nopl and conditional mov (cmov)
3999 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4000 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)
4001 cpuflags="-march=$cpu"
4005 # targets that do support conditional mov but on which it's slow
4006 pentium4|pentium4m|prescott|nocona)
4007 cpuflags="-march=$cpu"
4015 if [ "$cpu" != generic ]; then
4016 add_cflags $cpuflags
4017 add_asflags $cpuflags
4020 # compiler sanity check
4022 int main(void){ return 0; }
4024 if test "$?" != 0; then
4025 echo "$cc is unable to create an executable file."
4026 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4027 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4028 echo "Only do this if you know what cross compiling means."
4030 die "C compiler test failed."
4033 add_cppflags -D_ISOC99_SOURCE
4034 add_cxxflags -D__STDC_CONSTANT_MACROS
4035 check_cflags -std=c99
4036 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
4039 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
4043 add_host_cppflags -D_ISOC99_SOURCE
4044 check_host_cflags -std=c99
4045 check_host_cflags -Wall
4046 check_host_cflags -O3
4052 check_code cc "" "int test[2*($expr) - 1]" &&
4053 subarch=$arch64 || subarch=$arch32
4061 check_64bit mips mips64 '_MIPS_SIM > 1'
4065 check_64bit parisc parisc64 'sizeof(void *) > 4'
4069 check_64bit ppc ppc64 'sizeof(void *) > 4'
4073 check_64bit s390 s390x 'sizeof(void *) > 4'
4077 check_64bit sparc sparc64 'sizeof(void *) > 4'
4081 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4082 # Treat x32 as x64 for now. Note it also needs spic=$shared
4083 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4085 if test "$subarch" = "x86_64"; then
4090 check_cc <<EOF && subarch="ppc64"
4091 int test[(int)sizeof(char*) - 7];
4097 enabled spic && enable_weak pic
4103 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4104 enabled shared && add_ldflags -Wl,-brtl
4108 enable section_data_rel_ro
4109 SLIB_INSTALL_NAME='$(SLIBNAME)'
4111 # soname not set on purpose
4115 prefix_default="/boot/common"
4116 network_extralibs="-lnetwork"
4120 SHFLAGS='-shared -Wl,-h,$$(@F)'
4121 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
4122 network_extralibs="-lsocket -lnsl"
4123 add_cppflags -D__EXTENSIONS__
4124 # When using suncc to build, the Solaris linker will mark
4125 # an executable with each instruction set encountered by
4126 # the Solaris assembler. As our libraries contain their own
4127 # guards for processor-specific code, instead suppress
4128 # generation of the HWCAPS ELF section on Solaris x86 only.
4129 enabled_all suncc x86 &&
4130 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4131 add_ldflags -Wl,-M,mapfile
4132 nm_default='nm -P -g'
4136 oss_indev_extralibs="-lossaudio"
4137 oss_outdev_extralibs="-lossaudio"
4138 enabled gcc || check_ldflags -Wl,-zmuldefs
4143 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4145 oss_indev_extralibs="-lossaudio"
4146 oss_outdev_extralibs="-lossaudio"
4154 add_extralibs -lpoll -lgnugetopt
4158 enabled ppc && add_asflags -force_cpusubtype_ALL
4159 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4160 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4162 add_ldflags -Wl,-dynamic,-search_paths_first
4164 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4165 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4167 enabled x86_64 && objformat="macho64"
4168 enabled_any pic shared x86_64 ||
4169 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4172 if test $target_os = "mingw32ce"; then
4178 if enabled x86_64; then
4179 LIBTARGET="i386:x86-64"
4180 elif enabled arm; then
4183 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4184 check_ldflags -Wl,--nxcompat
4185 check_ldflags -Wl,--dynamicbase
4186 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4187 shlibdir_default="$bindir_default"
4190 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4191 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4192 dlltool="${cross_prefix}dlltool"
4193 if check_cmd lib.exe -list; then
4194 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4195 if enabled x86_64; then
4198 elif check_cmd $dlltool --version; then
4199 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4201 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4203 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4204 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4205 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
4212 if enabled shared; then
4213 # Link to the import library instead of the normal static library
4216 # Cannot build both shared and static libs with MSVC or icl.
4219 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
4220 shlibdir_default="$bindir_default"
4223 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4224 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4225 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4226 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4228 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4229 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4230 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4237 shlibdir_default="$bindir_default"
4240 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4241 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4242 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4244 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4245 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4248 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4250 *-dos|freedos|opendos)
4251 network_extralibs="-lsocket"
4254 add_cppflags -U__STRICT_ANSI__
4258 enable section_data_rel_ro
4262 ranlib="echo ignoring ranlib"
4268 add_cppflags -D_GNU_SOURCE
4269 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4270 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4274 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4275 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4276 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4277 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
4278 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4279 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4280 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4281 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
4282 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4283 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4284 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4286 enable_weak os2threads
4289 add_cppflags -D_BSD_SOURCE
4294 add_cppflags -D_QNX_SOURCE
4295 network_extralibs="-lsocket"
4300 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4301 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4302 add_ldflags -Wl,--target1-abs,--no-undefined \
4303 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4304 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4305 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4306 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4307 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4310 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4315 add_cppflags -D_C99_SNPRINTF_EXTENSION \
4316 -D_REENTRANT_SOURCE \
4317 -D_RESEARCH_SOURCE \
4320 add_compat strtod.o strtod=avpriv_strtod
4321 network_extralibs='-lbsd'
4322 exeobjs=compat/plan9/main.o
4329 die "Unknown OS '$target_os'."
4333 # determine libc flavour
4338 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4339 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4340 eval ${pfx}libc_type=uclibc
4341 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4342 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4343 eval ${pfx}libc_type=glibc
4344 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4345 # MinGW headers can be installed on Cygwin, so check for newlib first.
4346 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4347 eval ${pfx}libc_type=newlib
4348 add_${pfx}cppflags -U__STRICT_ANSI__
4349 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4350 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4351 eval ${pfx}libc_type=mingw64
4352 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
4353 add_compat msvcrt/snprintf.o
4354 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
4356 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4357 eval test \$${pfx_no_}cc_type = "gcc" &&
4358 add_${pfx}cppflags -D__printf__=__gnu_printf__
4359 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4360 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4361 eval ${pfx}libc_type=mingw32
4362 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4363 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4364 die "ERROR: MinGW32 runtime version must be >= 3.15."
4365 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4366 eval test \$${pfx_no_}cc_type = "gcc" &&
4367 add_${pfx}cppflags -D__printf__=__gnu_printf__
4368 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4369 eval ${pfx}libc_type=msvcrt
4370 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4371 # 0x601 by default unless something else is set by the user.
4372 # This can easily lead to us detecting functions only present
4373 # in such new versions and producing binaries requiring windows 7.0.
4374 # Therefore explicitly set the default to XP unless the user has
4375 # set something else on the command line.
4376 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4377 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
4378 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4379 eval ${pfx}libc_type=klibc
4380 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4381 eval ${pfx}libc_type=bionic
4382 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4383 eval ${pfx}libc_type=solaris
4384 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4386 check_${pfx}cc <<EOF
4388 void *v = localtime_r;
4390 test "$?" != 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
4392 void *v = localtime_r;
4398 test -n "$libc_type" && enable libc_$libc_type
4400 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4404 add_compat strtod.o strtod=avpriv_strtod
4407 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -le 18 ]; then
4408 add_compat strtod.o strtod=avpriv_strtod
4409 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4410 _snprintf=avpriv_snprintf \
4411 vsnprintf=avpriv_vsnprintf
4416 # hacks for compiler/libc/os combinations
4418 if enabled_all tms470 libc_glibc; then
4419 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4420 add_cppflags -D__USER_LABEL_PREFIX__=
4421 add_cppflags -D__builtin_memset=memset
4422 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4423 add_cflags -pds=48 # incompatible redefinition of macro
4426 if enabled_all ccc libc_glibc; then
4427 add_ldflags -Wl,-z,now # calls to libots crash without this
4430 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4431 add_cppflags '-I\$(SRC_PATH)/compat/float'
4434 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4437 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
4439 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4442 : ${shlibdir_default:="$libdir"}
4444 set_default $PATHS_LIST
4447 # we need to build at least one lib type
4448 if ! enabled_any static shared; then
4450 At least one library type must be built.
4451 Specify --enable-static to build the static libraries or --enable-shared to
4452 build the shared libraries as well. To only build the shared libraries specify
4453 --disable-static in addition to --enable-shared.
4458 die_license_disabled() {
4459 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
4462 die_license_disabled_gpl() {
4463 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
4466 die_license_disabled gpl frei0r
4467 die_license_disabled gpl libcdio
4468 die_license_disabled gpl libsmbclient
4469 die_license_disabled gpl libutvideo
4470 die_license_disabled gpl libvidstab
4471 die_license_disabled gpl libx264
4472 die_license_disabled gpl libx265
4473 die_license_disabled gpl libxavs
4474 die_license_disabled gpl libxvid
4475 die_license_disabled gpl libzvbi
4476 die_license_disabled gpl x11grab
4478 die_license_disabled nonfree libaacplus
4479 die_license_disabled nonfree libfaac
4480 die_license_disabled nonfree nvenc
4481 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
4482 enabled gpl && die_license_disabled_gpl nonfree openssl
4484 die_license_disabled version3 libopencore_amrnb
4485 die_license_disabled version3 libopencore_amrwb
4486 die_license_disabled version3 libsmbclient
4487 die_license_disabled version3 libvo_aacenc
4488 die_license_disabled version3 libvo_amrwbenc
4490 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4492 disabled optimizations || check_cflags -fomit-frame-pointer
4495 disabled pic && return
4498 case "$target_os" in
4508 enabled pic && enable_weak_pic
4510 check_cc <<EOF || die "Symbol mangling check failed."
4513 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4514 extern_prefix=${sym%%ff_extern*}
4516 check_cc <<EOF && enable_weak inline_asm
4517 void foo(void) { __asm__ volatile ("" ::); }
4521 for restrict_keyword in restrict __restrict__ __restrict; do
4522 check_cc <<EOF && _restrict=$restrict_keyword && break
4523 void foo(char * $restrict_keyword p);
4527 check_cc <<EOF && enable pragma_deprecated
4528 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4531 check_cc <<EOF && enable attribute_packed
4532 struct { int x; } __attribute__((packed)) x;
4535 check_cc <<EOF && enable attribute_may_alias
4536 union { int x; } __attribute__((may_alias)) x;
4539 check_cc <<EOF || die "endian test failed"
4540 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4542 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4544 if [ "$cpu" = "power7" ] || [ "$cpu" = "power8" ] || enabled ppc64; then
4545 if ! enabled bigendian && enabled altivec ;then
4551 log "check_gas using '$as' as AS"
4552 # :vararg is used on aarch64, arm and ppc altivec
4553 check_as <<EOF || return 1
4554 .macro m n, y:vararg=0
4559 # .altmacro is only used in arm asm
4560 ! enabled arm || check_as <<EOF || return 1
4567 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
4569 enabled_any arm aarch64 && nogas=die
4570 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
4574 arm*) gaspp_as_type=armasm; as_noop=-h ;;
4575 gcc) gaspp_as_type=gas ;;
4576 *) gaspp_as_type=$as_type ;;
4579 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
4581 test "${as#*gas-preprocessor.pl}" != "$as" ||
4582 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
4583 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
4585 if ! check_gas ; then
4588 $nogas "GNU assembler not found, install/update gas-preprocessor"
4591 check_as <<EOF && enable as_func
4597 check_inline_asm inline_asm_labels '"1:\n"'
4599 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
4601 if enabled aarch64; then
4602 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
4603 # internal assembler in clang 3.3 does not support this instruction
4604 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
4605 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
4607 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4609 elif enabled alpha; then
4613 elif enabled arm; then
4615 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
4616 float func(float a, float b){ return a+b; }
4619 enabled thumb && check_cflags -mthumb || check_cflags -marm
4621 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4623 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
4624 case "${cross_prefix:-$cc}" in
4625 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4626 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4627 __asm__ (".eabi_attribute 28, 1");
4628 int main(void) { return 0; }
4631 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4634 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4635 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4636 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4637 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4638 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4639 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4640 enabled setend && check_insn setend 'setend be'
4642 [ $target_os = linux ] || [ $target_os = android ] ||
4643 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4646 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4648 check_as <<EOF && enable as_dn_directive
4653 # llvm's integrated assembler supports .object_arch from llvm 3.5
4654 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
4658 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4660 elif enabled mips; then
4662 check_inline_asm loongson '"dmult.g $1, $2, $3"'
4664 # Enable minimum ISA based on selected options
4665 if enabled mips64 && (enabled mipsdspr1 || enabled mipsdspr2); then
4666 add_cflags "-mips64r2"
4667 add_asflags "-mips64r2"
4668 elif enabled mips64 && enabled mipsfpu; then
4669 add_cflags "-mips64"
4670 add_asflags "-mips64"
4671 elif enabled mipsdspr1 || enabled mipsdspr2; then
4672 add_cflags "-mips32r2 -mfp32"
4673 add_asflags "-mips32r2 -mfp32"
4674 elif enabled mips32r5 || enabled mips64r6; then
4675 check_cflags "-mfp64"
4676 check_ldflags "-mfp64"
4679 enabled mips32r5 && check_cflags "-mips32r5 -msched-weight -mload-store-pairs -funroll-loops" &&
4680 check_ldflags "-mips32r5" &&
4681 check_inline_asm mips32r5 '"ulw $t0, ($t1)"'
4682 enabled mips64r6 && check_cflags "-mips64r6 -msched-weight -mload-store-pairs -funroll-loops" &&
4683 check_ldflags "-mips64r6" &&
4684 check_inline_asm mips64r6 '"aui $t0, $t1, 1"'
4685 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
4686 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
4687 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
4688 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
4689 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
4690 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
4691 enabled msa && check_cflags "-mmsa" && check_ldflags "-mmsa" &&
4692 check_inline_asm msa '"addvi.b $w0, $w1, 1"'
4694 enabled mips32r5 && add_asflags "-mips32r5 -mfp64"
4695 enabled mips64r6 && add_asflags "-mips64r6 -mfp64"
4696 enabled msa && add_asflags "-mmsa"
4698 elif enabled parisc; then
4700 if enabled gcc; then
4701 case $($cc -dumpversion) in
4702 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
4706 elif enabled ppc; then
4708 enable local_aligned_8 local_aligned_16 local_aligned_32
4710 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4711 check_inline_asm ibm_asm '"add 0, 0, 0"'
4712 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4713 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4715 # AltiVec flags: The FSF version of GCC differs from the Apple version
4716 if enabled altivec; then
4717 check_cflags -maltivec -mabi=altivec &&
4718 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4719 check_cflags -faltivec
4721 # check if our compiler supports Motorola AltiVec C API
4722 check_cc <<EOF || disable altivec
4725 vector signed int v1 = (vector signed int) { 0 };
4726 vector signed int v2 = (vector signed int) { 1 };
4727 v1 = vec_add(v1, v2);
4732 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4735 if enabled vsx; then
4738 elif enabled x86; then
4740 check_builtin rdtsc intrin.h "__rdtsc()"
4741 check_builtin mm_empty mmintrin.h "_mm_empty()"
4743 enable local_aligned_8 local_aligned_16 local_aligned_32
4745 # check whether EBP is available on x86
4746 # As 'i' is stored on the stack, this program will crash
4747 # if the base pointer is used to access it because the
4748 # base pointer is cleared in the inline assembly code.
4749 check_exec_crash <<EOF && enable ebp_available
4751 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4755 # check whether EBX is available on x86
4756 check_inline_asm ebx_available '""::"b"(0)' &&
4757 check_inline_asm ebx_available '"":::"%ebx"'
4759 # check whether xmm clobbers are supported
4760 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4762 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
4763 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
4765 # check whether binutils is new enough to compile SSSE3/MMXEXT
4766 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4767 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4769 if ! disabled_any asm mmx yasm; then
4770 if check_cmd $yasmexe --version; then
4771 enabled x86_64 && yasm_extra="-m amd64"
4772 yasm_debug="-g dwarf2"
4773 elif check_cmd nasm -v; then
4775 yasm_debug="-g -F dwarf"
4776 if enabled x86_64; then
4777 case "$objformat" in
4778 elf) objformat=elf64 ;;
4779 win32) objformat=win64 ;;
4784 YASMFLAGS="-f $objformat $yasm_extra"
4785 enabled pic && append YASMFLAGS "-DPIC"
4786 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4787 case "$objformat" in
4788 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4791 check_yasm "movbe ecx, [5]" && enable yasm ||
4792 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4793 check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
4794 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
4795 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4796 check_yasm "CPU amdnop" || disable cpunop
4800 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4807 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
4809 check_ldflags -Wl,--as-needed
4810 check_ldflags -Wl,-z,noexecstack
4812 if check_func dlopen; then
4814 elif check_func dlopen -ldl; then
4818 frei0r_filter_extralibs='$ldl'
4819 frei0r_src_filter_extralibs='$ldl'
4820 ladspa_filter_extralibs='$ldl'
4821 nvenc_encoder_extralibs='$ldl'
4823 if ! disabled network; then
4824 check_func getaddrinfo $network_extralibs
4825 check_func getservbyport $network_extralibs
4826 check_func inet_aton $network_extralibs
4828 check_type netdb.h "struct addrinfo"
4829 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4830 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4831 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4832 check_type poll.h "struct pollfd"
4833 check_type netinet/sctp.h "struct sctp_event_subscribe"
4834 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4835 check_type netinet/in.h "struct sockaddr_in6"
4836 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4837 check_type "sys/types.h sys/socket.h" socklen_t
4839 # Prefer arpa/inet.h over winsock2
4840 if check_header arpa/inet.h ; then
4841 check_func closesocket
4842 elif check_header winsock2.h ; then
4843 check_func_headers winsock2.h closesocket -lws2 &&
4844 network_extralibs="-lws2" ||
4845 { check_func_headers winsock2.h closesocket -lws2_32 &&
4846 network_extralibs="-lws2_32"; } || disable winsock2_h network
4847 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4849 check_type ws2tcpip.h socklen_t
4850 check_type ws2tcpip.h "struct addrinfo"
4851 check_type ws2tcpip.h "struct group_source_req"
4852 check_type ws2tcpip.h "struct ip_mreq_source"
4853 check_type ws2tcpip.h "struct ipv6_mreq"
4854 check_type winsock2.h "struct pollfd"
4855 check_struct winsock2.h "struct sockaddr" sa_len
4856 check_type ws2tcpip.h "struct sockaddr_in6"
4857 check_type ws2tcpip.h "struct sockaddr_storage"
4863 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4864 check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"
4865 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4866 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4867 check_builtin sarestart signal.h "SA_RESTART"
4868 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4870 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4871 check_func ${malloc_prefix}memalign && enable memalign
4872 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4875 check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
4878 check_func gethrtime
4880 check_func getrusage
4881 check_func gettimeofday
4884 check_func localtime_r
4885 check_func mach_absolute_time
4889 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4890 check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
4891 check_func sched_getaffinity
4892 check_func setrlimit
4893 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
4894 check_func strerror_r
4899 check_func_headers conio.h kbhit
4900 check_func_headers io.h setmode
4901 check_func_headers lzo/lzo1x.h lzo1x_999_compress
4902 check_func_headers stdlib.h getenv
4904 check_func_headers windows.h CoTaskMemFree -lole32
4905 check_func_headers windows.h GetProcessAffinityMask
4906 check_func_headers windows.h GetProcessTimes
4907 check_func_headers windows.h GetSystemTimeAsFileTime
4908 check_func_headers windows.h MapViewOfFile
4909 check_func_headers windows.h PeekNamedPipe
4910 check_func_headers windows.h SetConsoleTextAttribute
4911 check_func_headers windows.h Sleep
4912 check_func_headers windows.h VirtualAlloc
4913 check_struct windows.h "CONDITION_VARIABLE" Ptr
4914 check_func_headers glob.h glob
4916 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
4918 check_header direct.h
4919 check_header dlfcn.h
4921 check_header dxva2api.h -D_WIN32_WINNT=0x0600
4923 check_header libcrystalhd/libcrystalhd_if.h
4924 check_header mach/mach_time.h
4925 check_header malloc.h
4926 check_header net/udplite.h
4928 check_header sys/mman.h
4929 check_header sys/param.h
4930 check_header sys/resource.h
4931 check_header sys/select.h
4932 check_header sys/time.h
4933 check_header sys/un.h
4934 check_header termios.h
4935 check_header unistd.h
4936 check_header vdpau/vdpau.h
4937 check_header vdpau/vdpau_x11.h
4938 check_header VideoDecodeAcceleration/VDADecoder.h
4939 check_header windows.h
4940 check_header X11/extensions/XvMClib.h
4941 check_header asm/types.h
4943 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4944 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4945 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4947 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4949 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC"
4951 if ! disabled w32threads && ! enabled pthreads; then
4952 check_func_headers "windows.h process.h" _beginthreadex &&
4953 enable w32threads || disable w32threads
4956 # check for some common methods of building with pthread support
4957 # do this before the optional library checks as some of them require pthreads
4958 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
4960 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
4962 add_extralibs -pthread
4963 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
4964 add_cflags -pthreads
4965 add_extralibs -pthreads
4966 elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then
4967 add_cflags -ldl -pthread
4968 add_extralibs -ldl -pthread
4969 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
4970 add_extralibs -lpthreadGC2
4971 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
4973 elif ! check_func pthread_join && ! check_func pthread_create; then
4976 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
4980 if enabled pthreads; then
4981 check_func pthread_cancel
4984 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4985 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4986 disabled lzma || check_lib2 lzma.h lzma_version_number -llzma || disable lzma
4988 check_lib math.h sin -lm && LIBM="-lm"
4989 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
4995 for func in $MATH_FUNCS; do
4996 eval check_mathfunc $func \${${func}_args:-1}
4999 # these are off by default, so fail if requested and not available
5000 enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; }
5001 enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||
5002 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }
5003 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
5004 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
5005 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
5006 enabled decklink && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }
5007 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
5008 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
5009 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
5010 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
5011 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
5012 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
5013 enabled libbluray && require_pkg_config libbluray libbluray/bluray.h bd_open
5014 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
5015 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
5016 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
5017 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
5018 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
5019 enabled libdcadec && require_pkg_config dcadec libdcadec/dca_context.h dcadec_context_create
5020 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
5021 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
5022 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"
5023 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
5024 enabled fontconfig && enable libfontconfig
5025 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
5026 enabled libfreetype && require_libfreetype
5027 enabled libfribidi && require_pkg_config fribidi fribidi.h fribidi_version_info
5028 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
5029 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
5030 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
5031 done || die "ERROR: libgsm not found"; }
5032 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
5033 enabled libmfx && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit
5034 enabled libmodplug && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load
5035 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
5036 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
5037 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
5038 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
5039 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
5040 enabled libopenh264 && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion
5041 enabled libopenjpeg && { check_lib openjpeg.h opj_version -lopenmj2 -DOPJ_STATIC ||
5042 check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
5043 check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
5044 die "ERROR: libopenjpeg not found"; }
5045 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
5046 enabled libpulse && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new
5047 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
5048 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
5049 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
5050 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
5051 enabled libsmbclient && { use_pkg_config smbclient libsmbclient.h smbc_init ||
5052 require smbclient libsmbclient.h smbc_init -lsmbclient; }
5053 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
5054 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
5055 enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
5056 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
5057 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
5058 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
5059 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
5060 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
5061 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
5062 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
5063 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
5064 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
5065 enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
5066 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
5067 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
5068 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
5070 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
5071 die "ERROR: libvpx decoder version must be >=0.9.1"; }
5072 enabled libvpx_vp8_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
5073 die "ERROR: libvpx encoder version must be >=0.9.7"; }
5074 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
5075 enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_AQ_MODE" -lvpx || disable libvpx_vp9_encoder; } }
5076 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
5077 enabled libwebp && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
5078 enabled libx264 && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||
5079 { require libx264 x264.h x264_encoder_encode -lx264 &&
5080 warn "using libx264 without pkg-config"; } } &&
5081 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
5082 die "ERROR: libx264 must be installed and version must be >= 0.118."; }
5083 enabled libx265 && require_pkg_config x265 x265.h x265_encoder_encode &&
5084 { check_cpp_condition x265.h "X265_BUILD >= 17" ||
5085 die "ERROR: libx265 version must be >= 17."; }
5086 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
5087 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
5088 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
5089 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
5090 enabled mmal && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
5091 { ! enabled cross_compile && {
5092 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;
5093 add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;
5094 check_lib interface/mmal/mmal.h mmal_port_connect ; }
5095 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||
5096 die "ERROR: mmal not found"; }
5097 enabled nvenc && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&
5098 { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" ||
5099 die "ERROR: NVENC API version 4 or older is not supported"; } &&
5100 { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }
5101 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
5102 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
5103 die "ERROR: openal not found"; } &&
5104 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
5105 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
5106 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
5107 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
5108 die "ERROR: opencl not found"; } &&
5109 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
5110 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
5111 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
5112 enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||
5113 check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
5114 check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
5115 check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
5116 die "ERROR: opengl not found."
5118 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
5119 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
5120 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
5121 die "ERROR: openssl not found"; }
5122 enabled qtkit_indev && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; }
5124 if enabled gnutls; then
5125 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
5126 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
5130 if enabled libdc1394; then
5131 { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&
5132 enable libdc1394_2; } ||
5133 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
5134 enable libdc1394_1; } ||
5135 die "ERROR: No version of libdc1394 found "
5137 if ! disabled sdl; then
5138 SDL_CONFIG="${cross_prefix}sdl-config"
5139 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
5140 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5141 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5144 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5145 sdl_cflags=$("${SDL_CONFIG}" --cflags)
5146 sdl_libs=$("${SDL_CONFIG}" --libs)
5147 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
5148 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5149 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5151 elif enabled sdl ; then
5152 die "ERROR: SDL not found"
5158 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
5160 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
5161 enabled makeinfo && (makeinfo --version | \
5162 grep -q 'makeinfo (GNU texinfo) 5' > /dev/null 2>&1) \
5163 && enable makeinfo_html || disable makeinfo_html
5164 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
5165 perl -v > /dev/null 2>&1 && enable perl || disable perl
5166 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
5167 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
5169 check_header linux/fb.h
5170 check_header linux/videodev.h
5171 check_header linux/videodev2.h
5172 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5174 check_header sys/videoio.h
5175 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5177 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
5178 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
5179 # w32api 3.12 had it defined wrong
5180 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
5182 check_type "dshow.h" IBaseFilter
5184 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
5185 { check_header dev/bktr/ioctl_meteor.h &&
5186 check_header dev/bktr/ioctl_bt848.h; } ||
5187 { check_header machine/ioctl_meteor.h &&
5188 check_header machine/ioctl_bt848.h; } ||
5189 { check_header dev/video/meteor/ioctl_meteor.h &&
5190 check_header dev/video/bktr/ioctl_bt848.h; } ||
5191 check_header dev/ic/bt8xx.h
5193 check_header sndio.h
5194 if check_struct sys/soundcard.h audio_buf_info bytes; then
5195 enable_safe sys/soundcard.h
5197 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
5198 #include <sys/soundcard.h>
5202 check_header soundcard.h
5204 enabled_any alsa_indev alsa_outdev &&
5205 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
5207 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
5208 check_func jack_port_get_latency_range -ljack
5210 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
5212 if enabled libcdio; then
5213 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5214 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5215 die "ERROR: No usable libcdio/cdparanoia found"
5219 check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib
5221 if ! disabled libxcb; then
5222 check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {
5223 enabled libxcb && die "ERROR: libxcb >= 1.4 not found";
5224 } && disable x11grab && enable libxcb
5226 if enabled libxcb; then
5227 disabled libxcb_shm || {
5228 check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {
5229 enabled libxcb_shm && die "ERROR: libxcb_shm not found";
5230 } && check_header sys/shm.h && enable libxcb_shm; }
5232 disabled libxcb_xfixes || {
5233 check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {
5234 enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";
5235 } && enable libxcb_xfixes; }
5237 disabled libxcb_shape || {
5238 check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {
5239 enabled libxcb_shape && die "ERROR: libxcb_shape not found";
5240 } && enable libxcb_shape; }
5242 add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags
5243 add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs
5247 if enabled x11grab; then
5248 enabled xlib || die "ERROR: Xlib not found"
5249 require Xext X11/extensions/XShm.h XShmCreateImage -lXext
5250 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
5253 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
5255 enabled dxva2api_h &&
5256 check_cc <<EOF && enable dxva2api_cobj
5257 #define _WIN32_WINNT 0x0600
5259 #include <windows.h>
5261 #include <dxva2api.h>
5262 int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }
5266 check_lib va/va.h vaInitialize -lva ||
5269 enabled vaapi && enabled xlib &&
5270 check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&
5274 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
5277 enabled vdpau && enabled xlib &&
5278 check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
5279 prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&
5282 # Funny iconv installations are not unusual, so check it after all flags have been set
5283 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
5285 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
5287 # add some useful compiler flags if supported
5288 check_cflags -Wdeclaration-after-statement
5290 check_cflags -Wdisabled-optimization
5291 check_cflags -Wpointer-arith
5292 check_cflags -Wredundant-decls
5293 check_cflags -Wwrite-strings
5294 check_cflags -Wtype-limits
5295 check_cflags -Wundef
5296 check_cflags -Wmissing-prototypes
5297 check_cflags -Wno-pointer-to-int-cast
5298 check_cflags -Wstrict-prototypes
5299 check_cflags -Wempty-body
5300 enabled extra_warnings && check_cflags -Winline
5302 check_disable_warning(){
5303 warning_flag=-W${1#-Wno-}
5304 test_cflags $warning_flag && add_cflags $1
5307 check_disable_warning -Wno-parentheses
5308 check_disable_warning -Wno-switch
5309 check_disable_warning -Wno-format-zero-length
5310 check_disable_warning -Wno-pointer-sign
5312 # add some linker flags
5313 check_ldflags -Wl,--warn-common
5314 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
5315 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir
5316 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
5318 # add some strip flags
5319 # -wN '..@*' is more selective than -x, but not available everywhere.
5320 check_stripflags -wN \'..@*\' || check_stripflags -x
5322 enabled neon_clobber_test &&
5323 check_ldflags -Wl,--wrap,avcodec_open2 \
5324 -Wl,--wrap,avcodec_decode_audio4 \
5325 -Wl,--wrap,avcodec_decode_video2 \
5326 -Wl,--wrap,avcodec_decode_subtitle2 \
5327 -Wl,--wrap,avcodec_encode_audio2 \
5328 -Wl,--wrap,avcodec_encode_video2 \
5329 -Wl,--wrap,avcodec_encode_subtitle \
5330 -Wl,--wrap,swr_convert \
5331 -Wl,--wrap,avresample_convert ||
5332 disable neon_clobber_test
5334 enabled xmm_clobber_test &&
5335 check_ldflags -Wl,--wrap,avcodec_open2 \
5336 -Wl,--wrap,avcodec_decode_audio4 \
5337 -Wl,--wrap,avcodec_decode_video2 \
5338 -Wl,--wrap,avcodec_decode_subtitle2 \
5339 -Wl,--wrap,avcodec_encode_audio2 \
5340 -Wl,--wrap,avcodec_encode_video \
5341 -Wl,--wrap,avcodec_encode_video2 \
5342 -Wl,--wrap,avcodec_encode_subtitle \
5343 -Wl,--wrap,swr_convert \
5344 -Wl,--wrap,avresample_convert \
5345 -Wl,--wrap,sws_scale ||
5346 disable xmm_clobber_test
5349 if test_ldflags -Wl,--version-script,$TMPV; then
5350 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
5351 check_cc <<EOF && enable symver_asm_label
5352 void ff_foo(void) __asm__ ("av_foo@VERSION");
5353 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
5355 check_cc <<EOF && enable symver_gnu_asm
5356 __asm__(".symver ff_foo,av_foo@VERSION");
5357 void ff_foo(void) {}
5361 if [ -z "$optflags" ]; then
5362 if enabled small; then
5363 optflags=$cflags_size
5364 elif enabled optimizations; then
5365 optflags=$cflags_speed
5367 optflags=$cflags_noopt
5373 enabled lto && check_ldflags "$@"
5377 if enabled lto; then
5378 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
5380 check_ldflags -flto $cpuflags
5381 disable inline_asm_direct_symbol_refs
5384 check_optflags $optflags
5385 check_optflags -fno-math-errno
5386 check_optflags -fno-signed-zeros
5388 enabled ftrapv && check_cflags -ftrapv
5390 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
5395 if enabled icc; then
5396 # Just warnings, no remarks
5398 # -wd: Disable following warnings
5399 # 144, 167, 556: -Wno-pointer-sign
5400 # 188: enumerated type mixed with another type
5401 # 1292: attribute "foo" ignored
5402 # 1419: external declaration in primary source file
5403 # 10006: ignoring unknown option -fno-signed-zeros
5404 # 10148: ignoring unknown option -Wno-parentheses
5405 # 10156: ignoring option '-W'; no argument required
5406 # 13200: No EMMS instruction before call to function
5407 # 13203: No EMMS instruction before return from function
5408 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
5409 # 11030: Warning unknown option --as-needed
5410 # 10156: ignoring option '-export'; no argument required
5411 check_ldflags -wd10156,11030
5412 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
5413 enable ebp_available
5414 # The test above does not test linking
5415 enabled lto && disable symver_asm_label
5416 if enabled x86_32; then
5417 icc_version=$($cc -dumpversion)
5418 test ${icc_version%%.*} -ge 11 &&
5419 check_cflags -falign-stack=maintain-16-byte ||
5420 disable aligned_stack
5422 elif enabled ccc; then
5423 # disable some annoying warnings
5424 add_cflags -msg_disable bitnotint
5425 add_cflags -msg_disable mixfuncvoid
5426 add_cflags -msg_disable nonstandcast
5427 add_cflags -msg_disable unsupieee
5428 elif enabled gcc; then
5429 check_optflags -fno-tree-vectorize
5430 check_cflags -Werror=format-security
5431 check_cflags -Werror=implicit-function-declaration
5432 check_cflags -Werror=missing-prototypes
5433 check_cflags -Werror=return-type
5434 check_cflags -Werror=vla
5435 check_cflags -Wformat
5436 check_cflags -fdiagnostics-color=auto
5437 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
5438 elif enabled llvm_gcc; then
5439 check_cflags -mllvm -stack-alignment=16
5440 elif enabled clang; then
5441 check_cflags -mllvm -stack-alignment=16
5442 check_cflags -Qunused-arguments
5443 check_cflags -Werror=implicit-function-declaration
5444 check_cflags -Werror=missing-prototypes
5445 check_cflags -Werror=return-type
5446 elif enabled cparser; then
5447 add_cflags -Wno-missing-variable-declarations
5448 add_cflags -Wno-empty-statement
5449 elif enabled armcc; then
5450 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
5451 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
5452 # 2523: use of inline assembly is deprecated
5453 add_cflags -W${armcc_opt},--diag_suppress=2523
5454 add_cflags -W${armcc_opt},--diag_suppress=1207
5455 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
5456 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
5457 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
5458 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
5459 elif enabled tms470; then
5460 add_cflags -pds=824 -pds=837
5462 elif enabled pathscale; then
5463 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
5464 elif enabled_any msvc icl; then
5465 enabled x86_32 && disable aligned_stack
5466 enabled_all x86_32 debug && add_cflags -Oy-
5467 enabled debug && add_ldflags -debug
5468 enable pragma_deprecated
5469 if enabled icl; then
5470 # -Qansi-alias is basically -fstrict-aliasing, but does not work
5471 # (correctly) on icl 13.x.
5472 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
5473 add_cflags -Qansi-alias
5474 # Some inline asm is not compilable in debug
5475 if enabled debug; then
5476 disable ebp_available
5477 disable ebx_available
5480 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 onwards actually has log2.
5481 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
5486 add_asflags -Qunused-arguments
5492 check_ldflags -Qunused-arguments
5498 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
5501 add_cppflags -Dmain=plan9_main
5505 enable frame_thread_encoder
5507 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
5509 check_deps $CONFIG_LIST \
5514 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"
5517 if test $target_os = "haiku"; then
5519 disable posix_memalign
5522 enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&
5523 prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&
5526 ! enabled_any memalign posix_memalign aligned_malloc &&
5527 enabled simd_align_16 && enable memalign_hack
5530 # -> enable ${lib}_deps_${dep}
5531 # -> add $dep to ${lib}_deps only once
5535 enabled "${lib}_deps_${dep}" && return 0
5536 enable "${lib}_deps_${dep}"
5537 prepend "${lib}_deps" $dep
5540 # merge deps lib components
5541 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
5546 enabled $comp || continue
5547 eval "dep=\"\$${comp}_deps\""
5554 merge_deps libavfilter $FILTER_LIST
5556 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
5558 for thread in $THREADS_LIST; do
5559 if enabled $thread; then
5560 test -n "$thread_type" &&
5561 die "ERROR: Only one thread type must be selected." ||
5562 thread_type="$thread"
5566 enabled zlib && add_cppflags -DZLIB_CONST
5568 # conditional library dependencies, in linking order
5569 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
5570 enabled aresample_filter && prepend avfilter_deps "swresample"
5571 enabled asyncts_filter && prepend avfilter_deps "avresample"
5572 enabled atempo_filter && prepend avfilter_deps "avcodec"
5573 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
5574 enabled elbg_filter && prepend avfilter_deps "avcodec"
5575 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
5576 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
5577 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
5578 enabled pan_filter && prepend avfilter_deps "swresample"
5579 enabled pp_filter && prepend avfilter_deps "postproc"
5580 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
5581 enabled resample_filter && prepend avfilter_deps "avresample"
5582 enabled sab_filter && prepend avfilter_deps "swscale"
5583 enabled scale_filter && prepend avfilter_deps "swscale"
5584 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
5585 enabled smartblur_filter && prepend avfilter_deps "swscale"
5586 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
5587 enabled uspp_filter && prepend avfilter_deps "avcodec"
5589 enabled lavfi_indev && prepend avdevice_deps "avfilter"
5591 enabled opus_decoder && prepend avcodec_deps "swresample"
5595 eval "deps=\$$lib_deps"
5596 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
5600 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
5601 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
5603 map 'expand_deps $v' $LIBRARY_LIST
5605 echo "install prefix $prefix"
5606 echo "source path $source_path"
5607 echo "C compiler $cc"
5608 echo "C library $libc_type"
5609 if test "$host_cc" != "$cc"; then
5610 echo "host C compiler $host_cc"
5611 echo "host C library $host_libc_type"
5613 echo "ARCH $arch ($cpu)"
5614 if test "$build_suffix" != ""; then
5615 echo "build suffix $build_suffix"
5617 if test "$progs_suffix" != ""; then
5618 echo "progs suffix $progs_suffix"
5620 if test "$extra_version" != ""; then
5621 echo "version string suffix $extra_version"
5623 echo "big-endian ${bigendian-no}"
5624 echo "runtime cpu detection ${runtime_cpudetect-no}"
5625 if enabled x86; then
5626 echo "${yasmexe} ${yasm-no}"
5627 echo "MMX enabled ${mmx-no}"
5628 echo "MMXEXT enabled ${mmxext-no}"
5629 echo "3DNow! enabled ${amd3dnow-no}"
5630 echo "3DNow! extended enabled ${amd3dnowext-no}"
5631 echo "SSE enabled ${sse-no}"
5632 echo "SSSE3 enabled ${ssse3-no}"
5633 echo "AVX enabled ${avx-no}"
5634 echo "XOP enabled ${xop-no}"
5635 echo "FMA3 enabled ${fma3-no}"
5636 echo "FMA4 enabled ${fma4-no}"
5637 echo "i686 features enabled ${i686-no}"
5638 echo "CMOV is fast ${fast_cmov-no}"
5639 echo "EBX available ${ebx_available-no}"
5640 echo "EBP available ${ebp_available-no}"
5642 if enabled aarch64; then
5643 echo "NEON enabled ${neon-no}"
5644 echo "VFP enabled ${vfp-no}"
5646 if enabled arm; then
5647 echo "ARMv5TE enabled ${armv5te-no}"
5648 echo "ARMv6 enabled ${armv6-no}"
5649 echo "ARMv6T2 enabled ${armv6t2-no}"
5650 echo "VFP enabled ${vfp-no}"
5651 echo "NEON enabled ${neon-no}"
5652 echo "THUMB enabled ${thumb-no}"
5654 if enabled mips; then
5655 echo "MIPS FPU enabled ${mipsfpu-no}"
5656 echo "MIPS32R5 enabled ${mips32r5-no}"
5657 echo "MIPS64R6 enabled ${mips64r6-no}"
5658 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
5659 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
5660 echo "MIPS MSA enabled ${msa-no}"
5662 if enabled ppc; then
5663 echo "AltiVec enabled ${altivec-no}"
5664 echo "PPC 4xx optimizations ${ppc4xx-no}"
5665 echo "PPC VSX optimizations ${vsx-no}"
5666 echo "dcbzl available ${dcbzl-no}"
5668 echo "debug symbols ${debug-no}"
5669 echo "strip symbols ${stripping-no}"
5670 echo "optimize for size ${small-no}"
5671 echo "optimizations ${optimizations-no}"
5672 echo "static ${static-no}"
5673 echo "shared ${shared-no}"
5674 echo "postprocessing support ${postproc-no}"
5675 echo "new filter support ${avfilter-no}"
5676 echo "network support ${network-no}"
5677 echo "threading support ${thread_type-no}"
5678 echo "safe bitstream reader ${safe_bitstream_reader-no}"
5679 echo "SDL support ${sdl-no}"
5680 echo "opencl enabled ${opencl-no}"
5681 echo "texi2html enabled ${texi2html-no}"
5682 echo "perl enabled ${perl-no}"
5683 echo "pod2man enabled ${pod2man-no}"
5684 echo "makeinfo enabled ${makeinfo-no}"
5685 echo "makeinfo supports HTML ${makeinfo_html-no}"
5686 test -n "$random_seed" &&
5687 echo "random seed ${random_seed}"
5690 echo "External libraries:"
5691 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
5694 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
5695 echo "Enabled ${type}s:"
5696 eval list=\$$(toupper $type)_LIST
5697 print_enabled '_*' $list | print_3_columns
5701 license="LGPL version 2.1 or later"
5702 if enabled nonfree; then
5703 license="nonfree and unredistributable"
5704 elif enabled gplv3; then
5705 license="GPL version 3 or later"
5706 elif enabled lgplv3; then
5707 license="LGPL version 3 or later"
5708 elif enabled gpl; then
5709 license="GPL version 2 or later"
5712 echo "License: $license"
5714 echo "Creating config.mak, config.h, and doc/config.texi..."
5716 test -e Makefile || echo "include $source_path/Makefile" > Makefile
5718 enabled stripping || strip="echo skipping strip"
5720 config_files="$TMPH config.mak doc/config.texi"
5722 cat > config.mak <<EOF
5723 # Automatically generated by configure - do not modify!
5724 ifndef FFMPEG_CONFIG_MAK
5726 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
5728 LIBDIR=\$(DESTDIR)$libdir
5729 SHLIBDIR=\$(DESTDIR)$shlibdir
5730 INCDIR=\$(DESTDIR)$incdir
5731 BINDIR=\$(DESTDIR)$bindir
5732 DATADIR=\$(DESTDIR)$datadir
5733 DOCDIR=\$(DESTDIR)$docdir
5734 MANDIR=\$(DESTDIR)$mandir
5735 SRC_PATH=$source_path
5736 ifndef MAIN_MAKEFILE
5737 SRC_PATH:=\$(SRC_PATH:.%=..%)
5741 INTRINSICS=$intrinsics
5747 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
5749 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
5778 LDEXEFLAGS=$LDEXEFLAGS
5779 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
5780 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
5781 YASMFLAGS=$YASMFLAGS
5782 BUILDSUF=$build_suffix
5783 PROGSSUF=$progs_suffix
5791 EXTRA_VERSION=$extra_version
5794 CCDEP_FLAGS=$CCDEP_FLAGS
5796 ASDEP_FLAGS=$ASDEP_FLAGS
5797 CC_DEPFLAGS=$CC_DEPFLAGS
5798 AS_DEPFLAGS=$AS_DEPFLAGS
5801 HOSTCFLAGS=$host_cflags
5802 HOSTCPPFLAGS=$host_cppflags
5803 HOSTEXESUF=$HOSTEXESUF
5804 HOSTLDFLAGS=$host_ldflags
5807 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
5808 HOSTCCDEP=$HOSTCCDEP
5809 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
5810 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
5814 TARGET_EXEC=$target_exec $target_exec_args
5815 TARGET_PATH=$target_path
5816 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
5817 CFLAGS-ffplay=$sdl_cflags
5818 ZLIB=$($ldflags_filter -lz)
5819 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
5820 EXTRALIBS=$extralibs
5821 COMPAT_OBJS=$compat_objs
5824 LIBTARGET=${LIBTARGET}
5825 SLIBNAME=${SLIBNAME}
5826 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
5827 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
5828 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
5829 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
5830 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
5831 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
5832 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
5833 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
5834 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
5835 NOREDZONE_FLAGS=$noredzone_flags
5840 name=$(toupper $lcname)
5841 file=$source_path/$lcname/version.h
5842 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
5843 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
5844 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
5845 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
5846 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
5847 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
5850 map 'get_version $v' $LIBRARY_LIST
5852 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST
5854 print_program_libs(){
5855 eval "program_libs=\$${1}_libs"
5856 eval echo "LIBS-${1}=${program_libs}" >> config.mak
5859 map 'print_program_libs $v' $PROGRAM_LIST
5862 /* Automatically generated by configure - do not modify! */
5863 #ifndef FFMPEG_CONFIG_H
5864 #define FFMPEG_CONFIG_H
5865 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
5866 #define FFMPEG_LICENSE "$(c_escape $license)"
5867 #define CONFIG_THIS_YEAR 2015
5868 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
5869 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
5870 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
5871 #define av_restrict $_restrict
5872 #define EXTERN_PREFIX "${extern_prefix}"
5873 #define EXTERN_ASM ${extern_prefix}
5874 #define BUILDSUF "$build_suffix"
5875 #define SLIBSUF "$SLIBSUF"
5876 #define HAVE_MMX2 HAVE_MMXEXT
5877 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
5880 test -n "$assert_level" &&
5881 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
5883 test -n "$malloc_prefix" &&
5884 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
5886 if enabled yasm; then
5887 append config_files $TMPASM
5891 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
5896 echo "@c auto-generated by configure" > doc/config.texi
5898 print_config ARCH_ "$config_files" $ARCH_LIST
5899 print_config HAVE_ "$config_files" $HAVE_LIST
5900 print_config CONFIG_ "$config_files" $CONFIG_LIST \
5904 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
5905 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
5907 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
5908 cp_if_changed $TMPH config.h
5911 enabled yasm && cp_if_changed $TMPASM config.asm
5914 /* Generated by ffconf */
5915 #ifndef AVUTIL_AVCONFIG_H
5916 #define AVUTIL_AVCONFIG_H
5919 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
5921 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
5923 cp_if_changed $TMPH libavutil/avconfig.h
5925 if test -n "$WARNINGS"; then
5926 printf "\n$WARNINGS"
5927 enabled fatal_warnings && exit 1
5930 # build pkg-config files
5933 eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""
5936 pkgconfig_generate(){
5938 shortname=${name#lib}${build_suffix}
5942 requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))
5943 requires=${requires%, }
5944 enabled ${name#lib} || return 0
5946 cat <<EOF > $name/$name${build_suffix}.pc
5948 exec_prefix=\${prefix}
5953 Description: $comment
5955 Requires: $(enabled shared || echo $requires)
5956 Requires.private: $(enabled shared && echo $requires)
5958 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
5959 Libs.private: $(enabled shared && echo $libs)
5960 Cflags: -I\${includedir}
5963 mkdir -p doc/examples/pc-uninstalled
5964 includedir=${source_path}
5965 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
5966 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
5969 libdir=\${pcfiledir}/../../../$name
5970 includedir=${includedir}
5973 Description: $comment
5977 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
5978 Cflags: -I\${includedir}
5982 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBRT $LIBM"
5983 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs"
5984 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs"
5985 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs"
5986 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
5987 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" ""
5988 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$LIBM"
5989 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM"
5990 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM"