3 # FFmpeg configure script
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
10 # Prevent locale nonsense from breaking basic text processing.
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
23 (: ${foo%%bar}) 2> /dev/null
26 (: ${foo?}) 2> /dev/null
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
32 if test "0$FF_CONF_EXEC" -lt 1; then
34 try_exec bash "$0" "$@"
36 if test "0$FF_CONF_EXEC" -lt 2; then
38 try_exec ksh "$0" "$@"
40 if test "0$FF_CONF_EXEC" -lt 3; then
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --fatal-warnings fail if any configure warning is generated
82 --prefix=PREFIX install in PREFIX [$prefix]
83 --bindir=DIR install binaries in DIR [PREFIX/bin]
84 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
85 --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg]
86 --libdir=DIR install libs in DIR [PREFIX/lib]
87 --shlibdir=DIR install shared libs in DIR [LIBDIR]
88 --incdir=DIR install includes in DIR [PREFIX/include]
89 --mandir=DIR install man page in DIR [PREFIX/share/man]
90 --pkgconfigdir=DIR install pkg-config files in DIR [LIBDIR/pkgconfig]
91 --enable-rpath use rpath to allow installing libraries in paths
92 not part of the dynamic linker search path
93 use rpath when linking programs [USE WITH CARE]
96 --enable-gpl allow use of GPL code, the resulting libs
97 and binaries will be under GPL [no]
98 --enable-version3 upgrade (L)GPL to version 3 [no]
99 --enable-nonfree allow use of nonfree code, the resulting libs
100 and binaries will be unredistributable [no]
102 Configuration options:
103 --disable-static do not build static libraries [no]
104 --enable-shared build shared libraries [no]
105 --enable-small optimize for size instead of speed
106 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
107 --enable-gray enable full grayscale support (slower color)
108 --disable-swscale-alpha disable alpha channel support in swscale
109 --disable-all disable building components, libraries and programs
110 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
111 --enable-raise-major increase major version numbers in sonames [no]
114 --disable-programs do not build command line programs
115 --disable-ffmpeg disable ffmpeg build
116 --disable-ffplay disable ffplay build
117 --disable-ffprobe disable ffprobe build
118 --disable-ffserver disable ffserver build
120 Documentation options:
121 --disable-doc do not build documentation
122 --disable-htmlpages do not build HTML documentation pages
123 --disable-manpages do not build man documentation pages
124 --disable-podpages do not build POD documentation pages
125 --disable-txtpages do not build text documentation pages
128 --disable-avdevice disable libavdevice build
129 --disable-avcodec disable libavcodec build
130 --disable-avformat disable libavformat build
131 --disable-avutil disable libavutil build
132 --disable-swresample disable libswresample build
133 --disable-swscale disable libswscale build
134 --disable-postproc disable libpostproc build
135 --disable-avfilter disable libavfilter build
136 --enable-avresample enable libavresample build [no]
137 --disable-pthreads disable pthreads [autodetect]
138 --disable-w32threads disable Win32 threads [autodetect]
139 --disable-os2threads disable OS/2 threads [autodetect]
140 --disable-network disable network support [no]
141 --disable-dct disable DCT code
142 --disable-dwt disable DWT code
143 --disable-error-resilience disable error resilience code
144 --disable-lsp disable LSP code
145 --disable-lzo disable LZO decoder code
146 --disable-mdct disable MDCT code
147 --disable-rdft disable RDFT code
148 --disable-fft disable FFT code
149 --disable-faan disable floating point AAN (I)DCT code
150 --disable-pixelutils disable pixel utils in libavutil
152 Hardware accelerators:
153 --disable-d3d11va disable D3D11VA code [autodetect]
154 --disable-dxva2 disable DXVA2 code [autodetect]
155 --disable-vaapi disable VAAPI code [autodetect]
156 --disable-vda disable VDA code [autodetect]
157 --disable-vdpau disable VDPAU code [autodetect]
159 Individual component options:
160 --disable-everything disable all components listed below
161 --disable-encoder=NAME disable encoder NAME
162 --enable-encoder=NAME enable encoder NAME
163 --disable-encoders disable all encoders
164 --disable-decoder=NAME disable decoder NAME
165 --enable-decoder=NAME enable decoder NAME
166 --disable-decoders disable all decoders
167 --disable-hwaccel=NAME disable hwaccel NAME
168 --enable-hwaccel=NAME enable hwaccel NAME
169 --disable-hwaccels disable all hwaccels
170 --disable-muxer=NAME disable muxer NAME
171 --enable-muxer=NAME enable muxer NAME
172 --disable-muxers disable all muxers
173 --disable-demuxer=NAME disable demuxer NAME
174 --enable-demuxer=NAME enable demuxer NAME
175 --disable-demuxers disable all demuxers
176 --enable-parser=NAME enable parser NAME
177 --disable-parser=NAME disable parser NAME
178 --disable-parsers disable all parsers
179 --enable-bsf=NAME enable bitstream filter NAME
180 --disable-bsf=NAME disable bitstream filter NAME
181 --disable-bsfs disable all bitstream filters
182 --enable-protocol=NAME enable protocol NAME
183 --disable-protocol=NAME disable protocol NAME
184 --disable-protocols disable all protocols
185 --enable-indev=NAME enable input device NAME
186 --disable-indev=NAME disable input device NAME
187 --disable-indevs disable input devices
188 --enable-outdev=NAME enable output device NAME
189 --disable-outdev=NAME disable output device NAME
190 --disable-outdevs disable output devices
191 --disable-devices disable all devices
192 --enable-filter=NAME enable filter NAME
193 --disable-filter=NAME disable filter NAME
194 --disable-filters disable all filters
196 External library support:
197 --enable-avisynth enable reading of AviSynth script files [no]
198 --disable-bzlib disable bzlib [autodetect]
199 --enable-fontconfig enable fontconfig, useful for drawtext filter [no]
200 --enable-frei0r enable frei0r video filtering [no]
201 --enable-gnutls enable gnutls, needed for https support
202 if openssl is not used [no]
203 --disable-iconv disable iconv [autodetect]
204 --enable-ladspa enable LADSPA audio filtering [no]
205 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
206 --enable-libass enable libass subtitles rendering,
207 needed for subtitles and ass filter [no]
208 --enable-libbluray enable BluRay reading using libbluray [no]
209 --enable-libbs2b enable bs2b DSP library [no]
210 --enable-libcaca enable textual display using libcaca [no]
211 --enable-libcelt enable CELT decoding via libcelt [no]
212 --enable-libcdio enable audio CD grabbing with libcdio [no]
213 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
215 --enable-libdcadec enable DCA decoding via libdcadec [no]
216 --enable-libfaac enable AAC encoding via libfaac [no]
217 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
218 --enable-libflite enable flite (voice synthesis) support via libflite [no]
219 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
220 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
221 --enable-libgme enable Game Music Emu via libgme [no]
222 --enable-libgsm enable GSM de/encoding via libgsm [no]
223 --enable-libiec61883 enable iec61883 via libiec61883 [no]
224 --enable-libilbc enable iLBC de/encoding via libilbc [no]
225 --enable-libmfx enable HW acceleration through libmfx
226 --enable-libmodplug enable ModPlug via libmodplug [no]
227 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
228 --enable-libnut enable NUT (de)muxing via libnut,
229 native (de)muxer exists [no]
230 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
231 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
232 --enable-libopencv enable video filtering via libopencv [no]
233 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
234 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
235 --enable-libopus enable Opus de/encoding via libopus [no]
236 --enable-libpulse enable Pulseaudio input via libpulse [no]
237 --enable-libquvi enable quvi input via libquvi [no]
238 --enable-librtmp enable RTMP[E] support via librtmp [no]
239 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
240 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
241 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
242 --enable-libsoxr enable Include libsoxr resampling [no]
243 --enable-libspeex enable Speex de/encoding via libspeex [no]
244 --enable-libssh enable SFTP protocol via libssh [no]
245 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
246 --enable-libtheora enable Theora encoding via libtheora [no]
247 --enable-libtwolame enable MP2 encoding via libtwolame [no]
248 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
249 --enable-libv4l2 enable libv4l2/v4l-utils [no]
250 --enable-libvidstab enable video stabilization using vid.stab [no]
251 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
252 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
253 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
254 native implementation exists [no]
255 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
256 --enable-libwavpack enable wavpack encoding via libwavpack [no]
257 --enable-libwebp enable WebP encoding via libwebp [no]
258 --enable-libx264 enable H.264 encoding via x264 [no]
259 --enable-libx265 enable HEVC encoding via x265 [no]
260 --enable-libxavs enable AVS encoding via xavs [no]
261 --enable-libxcb enable X11 grabbing using XCB [autodetect]
262 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
263 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
264 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
265 --enable-libxvid enable Xvid encoding via xvidcore,
266 native MPEG-4/Xvid encoder exists [no]
267 --enable-libzmq enable message passing via libzmq [no]
268 --enable-libzvbi enable teletext support via libzvbi [no]
269 --disable-lzma disable lzma [autodetect]
270 --enable-decklink enable Blackmagick DeckLink I/O support [no]
271 --enable-mmal enable decoding via MMAL [no]
272 --enable-nvenc enable NVIDIA NVENC support [no]
273 --enable-openal enable OpenAL 1.1 capture support [no]
274 --enable-opencl enable OpenCL code
275 --enable-opengl enable OpenGL rendering [no]
276 --enable-openssl enable openssl, needed for https support
277 if gnutls is not used [no]
278 --disable-sdl disable sdl [autodetect]
279 --disable-securetransport disable Secure Transport, needed for TLS support
280 on OSX if openssl and gnutls are not used [autodetect]
281 --enable-x11grab enable X11 grabbing (legacy) [no]
282 --disable-xlib disable xlib [autodetect]
283 --disable-zlib disable zlib [autodetect]
286 --arch=ARCH select architecture [$arch]
287 --cpu=CPU select the minimum required CPU (affects
288 instruction selection, may crash on older CPUs)
289 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
290 --progs-suffix=SUFFIX program name suffix []
291 --enable-cross-compile assume a cross-compiler is used
292 --sysroot=PATH root of cross-build tree
293 --sysinclude=PATH location of cross-build system headers
294 --target-os=OS compiler targets OS [$target_os]
295 --target-exec=CMD command to run executables on target
296 --target-path=DIR path to view of build directory on target
297 --target-samples=DIR path to samples directory on target
298 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
299 --toolchain=NAME set tool defaults according to NAME
300 --nm=NM use nm tool NM [$nm_default]
301 --ar=AR use archive tool AR [$ar_default]
302 --as=AS use assembler AS [$as_default]
303 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
304 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
305 --cc=CC use C compiler CC [$cc_default]
306 --cxx=CXX use C compiler CXX [$cxx_default]
307 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
308 --ld=LD use linker LD [$ld_default]
309 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
310 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
311 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
312 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
313 --host-cc=HOSTCC use host C compiler HOSTCC
314 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
315 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
316 --host-ld=HOSTLD use host linker HOSTLD
317 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
318 --host-libs=HLIBS use libs HLIBS when linking for host
319 --host-os=OS compiler host OS [$target_os]
320 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
321 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
322 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
323 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
324 --extra-libs=ELIBS add ELIBS [$ELIBS]
325 --extra-version=STRING version string suffix []
326 --optflags=OPTFLAGS override optimization-related compiler flags
327 --build-suffix=SUFFIX library name suffix []
328 --enable-pic build position-independent code
329 --enable-thumb compile for Thumb instruction set
330 --enable-lto use link-time optimization
332 Advanced options (experts only):
333 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
334 --disable-symver disable symbol versioning
335 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
336 --disable-safe-bitstream-reader
337 disable buffer boundary checking in bitreaders
338 (faster, but may crash)
339 --enable-memalign-hack emulate memalign, interferes with memory debuggers
340 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
342 Optimization options (experts only):
343 --disable-asm disable all assembly optimizations
344 --disable-altivec disable AltiVec optimizations
345 --disable-vsx disable VSX optimizations
346 --disable-power8 disable POWER8 optimizations
347 --disable-amd3dnow disable 3DNow! optimizations
348 --disable-amd3dnowext disable 3DNow! extended optimizations
349 --disable-mmx disable MMX optimizations
350 --disable-mmxext disable MMXEXT optimizations
351 --disable-sse disable SSE optimizations
352 --disable-sse2 disable SSE2 optimizations
353 --disable-sse3 disable SSE3 optimizations
354 --disable-ssse3 disable SSSE3 optimizations
355 --disable-sse4 disable SSE4 optimizations
356 --disable-sse42 disable SSE4.2 optimizations
357 --disable-avx disable AVX optimizations
358 --disable-xop disable XOP optimizations
359 --disable-fma3 disable FMA3 optimizations
360 --disable-fma4 disable FMA4 optimizations
361 --disable-avx2 disable AVX2 optimizations
362 --disable-armv5te disable armv5te optimizations
363 --disable-armv6 disable armv6 optimizations
364 --disable-armv6t2 disable armv6t2 optimizations
365 --disable-vfp disable VFP optimizations
366 --disable-neon disable NEON optimizations
367 --disable-inline-asm disable use of inline assembly
368 --disable-yasm disable use of nasm/yasm assembly
369 --disable-mips32r5 disable MIPS32R5 optimizations
370 --disable-mips64r6 disable MIPS64R6 optimizations
371 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
372 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
373 --disable-msa disable MSA optimizations
374 --disable-mipsfpu disable floating point MIPS optimizations
375 --disable-loongson3 disable Loongson-3 SIMD optimizations
376 --disable-fast-unaligned consider unaligned accesses slow
378 Developer options (useful when working on FFmpeg itself):
379 --disable-debug disable debugging symbols
380 --enable-debug=LEVEL set the debug level [$debuglevel]
381 --disable-optimizations disable compiler optimizations
382 --enable-extra-warnings enable more compiler warnings
383 --disable-stripping disable stripping of executables and shared libraries
384 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
385 2 causes a slowdown at runtime.
386 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
387 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
388 leaks and errors, using the specified valgrind binary.
389 Cannot be combined with --target-exec
390 --enable-ftrapv Trap arithmetic overflows
391 --samples=PATH location of test samples for FATE, if not set use
392 \$FATE_SAMPLES at make invocation time.
393 --enable-neon-clobber-test check NEON registers for clobbering (should be
394 used only for debugging purposes)
395 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
396 should be used only for debugging purposes)
397 --enable-random randomly enable/disable components
399 --enable-random=LIST randomly enable/disable specific components or
400 --disable-random=LIST component groups. LIST is a comma-separated list
401 of NAME[:PROB] entries where NAME is a component
402 (group) and PROB the probability associated with
404 --random-seed=VALUE seed value for --enable/disable-random
405 --disable-valgrind-backtrace do not print a backtrace under Valgrind
406 (only applies to --disable-optimizations builds)
408 NOTE: Object files are built at the place where configure is launched.
416 echo "$@" >> $logfile
421 pr -n -t $1 >> $logfile
432 WARNINGS="${WARNINGS}WARNING: $*\n"
439 If you think configure made a mistake, make sure you are using the latest
440 version from Git. If the latest version fails, report the problem to the
441 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
443 if disabled logging; then
445 Rerun configure with logging enabled (do not use --disable-logging), and
446 include the log this produces with your report.
450 Include the log file "$logfile" produced by configure as this will help
457 # Avoid locale weirdness, besides we really just want to translate ASCII.
459 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
463 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
467 echo "$*" | sed 's/["\\]/\\\0/g'
471 v=$(echo "$1" | sed "s/'/'\\\\''/g")
472 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
477 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\\r//g'
484 eval "case $v in $pat) echo $v ;; esac"
492 eval "case $v in $pat) ;; *) echo $v ;; esac"
499 for v; do eval $m; done
505 for v; do echo ${v}${suffix}; done
520 eval : \${$var:=$value}
525 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
531 eval $(sanitize_var_name "$var")='$*'
535 eval echo \$$(sanitize_var_name "$1")
540 eval level=\${${pvar}_level:=0}
541 eval ${pvar}_${level}="\$$pvar"
542 eval ${pvar}_level=$(($level+1))
548 eval level=\${${pvar}_level:-0}
549 test $level = 0 && continue
550 eval level=$(($level-1))
551 eval $pvar="\${${pvar}_${level}}"
552 eval ${pvar}_level=$level
553 eval unset ${pvar}_${level}
575 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
581 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
587 enabled $var && continue
588 eval sel="\$${var}_select"
589 eval sgs="\$${var}_suggest"
593 enable_deep_weak $sgs
605 disabled $var && continue
614 test "${1#!}" = "$1" && op== || op=!=
615 eval test "x\$${1#!}" $op "xyes"
619 test "${1#!}" = "$1" && op== || op=!=
620 eval test "x\$${1#!}" $op "xno"
625 enabled $opt || return 1
631 disabled $opt || return 1
637 enabled $opt && return 0
643 disabled $opt && return 0
650 eval : \${$opt:=\$${opt}_default}
658 [ $var = $value ] && return 0
666 enabled ${cfg}_checking && die "Circular dependency for $cfg."
667 disabled ${cfg}_checking && continue
668 enable ${cfg}_checking
671 eval dep_all="\$${cfg}_deps"
672 eval dep_any="\$${cfg}_deps_any"
673 eval dep_sel="\$${cfg}_select"
674 eval dep_sgs="\$${cfg}_suggest"
675 eval dep_ifa="\$${cfg}_if"
676 eval dep_ifn="\$${cfg}_if_any"
678 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
679 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
680 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
682 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
683 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
684 enabled_all $dep_all || disable $cfg
685 enabled_any $dep_any || disable $cfg
686 disabled_any $dep_sel && disable $cfg
688 if enabled $cfg; then
690 enable_deep_weak $dep_sgs
693 disable ${cfg}_checking
702 for cfg in $allopts; do
703 enabled $cfg || continue
704 eval dep_extralibs="\$${cfg}_extralibs"
705 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
713 map 'eval echo "$v \${$v:-no}"' "$@" |
714 awk "BEGIN { split(\"$files\", files) }
716 c = \"$pfx\" toupper(\$1);
722 if (file ~ /\\.h\$/) {
723 printf(\"#define %s %d\\n\", c, v) >>file;
724 } else if (file ~ /\\.asm\$/) {
725 printf(\"%%define %s %d\\n\", c, v) >>file;
726 } else if (file ~ /\\.mak\$/) {
727 n = -v ? \"\" : \"!\";
728 printf(\"%s%s=yes\\n\", n, c) >>file;
729 } else if (file ~ /\\.texi\$/) {
730 pre = -v ? \"\" : \"@c \";
733 gsub(/_/, \"-\", c2);
734 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
744 enabled $v && printf "%s\n" ${v%$suf};
751 eval "$var=\"\$$var $*\""
757 eval "$var=\"$* \$$var\""
763 for tok in $(eval echo \$$var); do
764 uniq_list="$(filter_out $tok $uniq_list) $tok"
766 eval "$var=\"${uniq_list}\""
774 append CFLAGS $($cflags_filter "$@")
778 append CXXFLAGS $($cflags_filter "$@")
782 append ASFLAGS $($asflags_filter "$@")
786 append LDFLAGS $($ldflags_filter "$@")
790 append LDEXEFLAGS $($ldflags_filter "$@")
794 append ASMSTRIPFLAGS "$@"
798 prepend extralibs $($ldflags_filter "$@")
802 append host_cppflags "$@"
806 append host_cflags $($host_cflags_filter "$@")
810 append host_ldflags $($host_ldflags_filter "$@")
814 append compat_objs $1
816 map 'add_cppflags -D$v' "$@"
821 "$@" >> $logfile 2>&1
826 stat "$1" >> $logfile 2>&1
830 eval printf '%s\\n' $CC_O
834 eval printf '%s\\n' $CC_E
841 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
848 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
855 check_cmd $cc -Werror=missing-prototypes $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPM
862 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
866 eval printf '%s\\n' $AS_O
873 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
877 log check_inline_asm "$@"
882 check_cc "$@" <<EOF && enable $name
883 void foo(void){ __asm__ volatile($code); }
889 check_inline_asm ${1}_inline "\"$2\""
890 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
898 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
902 eval printf '%s\\n' $LD_O
909 flags=$(filter_out '-l*|*.so' $@)
910 libs=$(filter '-l*|*.so' $@)
911 check_$type $($cflags_filter $flags) || return
912 flags=$($ldflags_filter $flags)
913 libs=$($ldflags_filter $libs)
914 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
919 test "${hdr%.h}" = "${hdr}" &&
920 echo "#include $hdr" ||
921 echo "#include <$hdr>"
931 for hdr in $headers; do
934 echo "int main(void) { $code; return 0; }"
935 } | check_$check "$@"
939 log check_cppflags "$@"
940 check_cc "$@" <<EOF && append CPPFLAGS "$@"
947 set -- $($cflags_filter "$@")
954 log check_cflags "$@"
955 test_cflags "$@" && add_cflags "$@"
959 log check_cxxflags "$@"
960 set -- $($cflags_filter "$@")
961 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
967 log test_ldflags "$@"
968 check_ld "cc" "$@" <<EOF
969 int main(void){ return 0; }
974 log check_ldflags "$@"
975 test_ldflags "$@" && add_ldflags "$@"
979 log test_stripflags "$@"
980 # call check_cc to get a fresh TMPO
982 int main(void) { return 0; }
984 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
988 log check_stripflags "$@"
989 test_stripflags "$@" && add_stripflags "$@"
993 log check_header "$@"
997 check_cpp "$@" <<EOF && enable_safe $header
1004 log check_header_oc "$@"
1008 disable_safe $header
1010 echo "#include <$header>"
1011 echo "int main(void) { return 0; }"
1012 } | check_oc && check_stat "$TMPO" && enable_safe $headers
1020 check_ld "cc" "$@" <<EOF && enable $func
1022 int main(void){ $func(); }
1027 log check_mathfunc "$@"
1031 test $narg = 2 && args="f, g" || args="f"
1033 check_ld "cc" "$@" <<EOF && enable $func
1035 float foo(float f, float g) { return $func($args); }
1036 int main(void){ return (int) foo; }
1040 check_func_headers(){
1041 log check_func_headers "$@"
1046 for hdr in $headers; do
1049 for func in $funcs; do
1050 echo "long check_$func(void) { return (long) $func; }"
1052 echo "int main(void) { return 0; }"
1053 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1056 check_class_headers_cpp(){
1057 log check_class_headers_cpp "$@"
1062 for hdr in $headers; do
1063 echo "#include <$hdr>"
1065 echo "int main(void) { "
1067 for class in $classes; do
1068 echo "$class obj$i;"
1072 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1075 check_cpp_condition(){
1076 log check_cpp_condition "$@"
1080 check_cpp "$@" <<EOF
1083 #error "unsatisfied condition: $condition"
1093 check_header $header && check_func $func "$@" && add_extralibs "$@"
1101 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1105 log check_lib_cpp "$@"
1109 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1113 log check_pkg_config "$@"
1119 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1120 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1121 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1122 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1123 set_safe ${pkg}_cflags $pkg_cflags &&
1124 set_safe ${pkg}_libs $pkg_libs
1128 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1134 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1135 # are safe but may not be available everywhere. Thus we use
1136 # raise(SIGTERM) instead. The check is run in a subshell so we
1137 # can redirect the "Terminated" message from the shell. SIGBUS
1138 # is not defined by standard C so it is used conditionally.
1140 (check_exec "$@") >> $logfile 2>&1 <<EOF
1142 static void sighandler(int sig){
1148 int (*func_ptr)(void) = foo;
1150 signal(SIGILL, sighandler);
1151 signal(SIGFPE, sighandler);
1152 signal(SIGSEGV, sighandler);
1154 signal(SIGBUS, sighandler);
1166 disable_safe "$type"
1167 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1171 log check_struct "$@"
1176 disable_safe "${struct}_${member}"
1177 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1178 enable_safe "${struct}_${member}"
1182 log check_builtin "$@"
1188 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1191 check_compile_assert(){
1192 log check_compile_assert "$@"
1198 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1206 check_lib $header $func "$@" || die "ERROR: $name not found"
1214 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1222 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1227 check_pkg_config "$@" || return 1
1228 add_cflags $(get_safe ${pkg}_cflags)
1229 add_extralibs $(get_safe ${pkg}_libs)
1232 require_pkg_config(){
1233 use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"
1236 require_libfreetype(){
1237 log require_libfreetype "$@"
1239 check_cmd $pkg_config --exists --print-errors $pkg \
1240 || die "ERROR: $pkg not found"
1241 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1242 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1244 echo "#include <ft2build.h>"
1245 echo "#include FT_FREETYPE_H"
1246 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1247 echo "int main(void) { return 0; }"
1248 } | check_ld "cc" $pkg_cflags $pkg_libs \
1249 && set_safe ${pkg}_cflags $pkg_cflags \
1250 && set_safe ${pkg}_libs $pkg_libs \
1251 || die "ERROR: $pkg not found"
1252 add_cflags $(get_safe ${pkg}_cflags)
1253 add_extralibs $(get_safe ${pkg}_libs)
1257 eval printf '%s\\n' $HOSTCC_E
1261 eval printf '%s\\n' $HOSTCC_O
1265 log check_host_cc "$@"
1268 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1272 log check_host_cpp "$@"
1275 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1278 check_host_cppflags(){
1279 log check_host_cppflags "$@"
1280 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1285 check_host_cflags(){
1286 log check_host_cflags "$@"
1287 set -- $($host_cflags_filter "$@")
1288 check_host_cc "$@" <<EOF && append host_cflags "$@"
1293 check_host_cpp_condition(){
1294 log check_host_cpp_condition "$@"
1298 check_host_cpp "$@" <<EOF
1301 #error "unsatisfied condition: $condition"
1309 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1313 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1314 mkdir -p "$(dirname $2)"
1318 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1319 # system-dependent things.
1336 avio_reading_example
1337 avio_list_dir_example
1338 decoding_encoding_example
1339 demuxing_decoding_example
1341 filter_audio_example
1342 filtering_audio_example
1343 filtering_video_example
1348 resampling_audio_example
1349 scaling_video_example
1350 transcode_aac_example
1354 EXTERNAL_LIBRARY_LIST="
1450 safe_bitstream_reader
1510 $EXTERNAL_LIBRARY_LIST
1518 incompatible_libav_abi
1580 ARCH_EXT_LIST_MIPS="
1590 ARCH_EXT_LIST_LOONGSON="
1594 ARCH_EXT_LIST_X86_SIMD="
1622 $ARCH_EXT_LIST_X86_SIMD
1632 $ARCH_EXT_LIST_LOONGSON
1648 atomic_compare_exchange
1654 sync_val_compare_and_swap
1665 incompatible_libav_abi
1674 cdio_paranoia_paranoia_h
1675 dev_bktr_ioctl_bt848_h
1676 dev_bktr_ioctl_meteor_h
1678 dev_video_bktr_ioctl_bt848_h
1679 dev_video_meteor_ioctl_meteor_h
1688 machine_ioctl_bt848_h
1689 machine_ioctl_meteor_h
1691 openjpeg_1_5_openjpeg_h
1759 GetProcessAffinityMask
1760 GetProcessMemoryInfo
1764 GetSystemTimeAsFileTime
1771 jack_port_get_latency_range
1786 SetConsoleTextAttribute
1798 TOOLCHAIN_FEATURES="
1811 inline_asm_nonlocal_labels
1812 inline_asm_direct_symbol_refs
1823 CONDITION_VARIABLE_Ptr
1828 struct_group_source_req
1829 struct_ip_mreq_source
1832 struct_rusage_ru_maxrss
1833 struct_sctp_event_subscribe
1835 struct_sockaddr_sa_len
1836 struct_sockaddr_storage
1837 struct_stat_st_mtim_tv_nsec
1838 struct_v4l2_frmivalenum_discrete
1843 $(add_suffix _external $ARCH_EXT_LIST)
1844 $(add_suffix _inline $ARCH_EXT_LIST)
1879 # options emitted with CONFIG_ prefix but not available on the command line
1894 frame_thread_encoder
2022 # code dependency declarations
2024 # architecture extensions
2029 armv8_deps="aarch64"
2030 neon_deps_any="aarch64 arm"
2031 intrinsics_neon_deps="neon"
2032 vfp_deps_any="aarch64 arm"
2036 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2039 mipsdspr1_deps="mips"
2040 mipsdspr2_deps="mips"
2041 mips32r2_deps="mips"
2042 mips32r5_deps="mips"
2043 mips64r6_deps="mips"
2045 loongson3_deps="mips"
2055 x86_64_select="i686"
2056 x86_64_suggest="fast_cmov"
2059 amd3dnowext_deps="amd3dnow"
2075 mmx_external_deps="yasm"
2076 mmx_inline_deps="inline_asm"
2077 mmx_suggest="mmx_external mmx_inline"
2079 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2080 eval dep=\$${ext}_deps
2081 eval ${ext}_external_deps='"${dep}_external"'
2082 eval ${ext}_inline_deps='"${dep}_inline"'
2083 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2086 aligned_stack_if_any="aarch64 ppc x86"
2087 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2088 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2089 fast_unaligned_if_any="aarch64 ppc x86"
2090 simd_align_16_if_any="altivec neon sse"
2092 # system capabilities
2093 symver_if_any="symver_asm_label symver_gnu_asm"
2094 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
2097 atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"
2098 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2099 atomics_win32_if="MemoryBarrier"
2100 atomics_native_if_any="$ATOMICS_LIST"
2101 w32threads_deps="atomics_native"
2102 threads_if_any="$THREADS_LIST"
2106 error_resilience_select="me_cmp"
2107 faandct_deps="faan fdctdsp"
2108 faanidct_deps="faan idctdsp"
2109 frame_thread_encoder_deps="encoders threads"
2110 intrax8_select="error_resilience"
2113 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2114 mpeg_er_select="error_resilience"
2115 mpegaudio_select="mpegaudiodsp"
2116 mpegaudiodsp_select="dct"
2117 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp videodsp"
2118 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2122 # decoders / encoders
2123 aac_decoder_select="imdct15 mdct sinewin"
2124 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
2125 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2126 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2127 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2128 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2129 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2130 aic_decoder_select="golomb idctdsp"
2131 alac_encoder_select="lpc"
2132 als_decoder_select="bswapdsp"
2133 amrnb_decoder_select="lsp"
2134 amrwb_decoder_select="lsp"
2135 amv_decoder_select="sp5x_decoder exif"
2136 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2137 ape_decoder_select="bswapdsp llauddsp"
2138 apng_decoder_select="zlib"
2139 apng_encoder_select="huffyuvencdsp zlib"
2140 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2141 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2142 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2143 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2144 atrac1_decoder_select="mdct sinewin"
2145 atrac3_decoder_select="mdct"
2146 atrac3p_decoder_select="mdct sinewin"
2147 avrn_decoder_select="exif jpegtables"
2148 bink_decoder_select="blockdsp hpeldsp"
2149 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2150 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2151 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2152 cllc_decoder_select="bswapdsp"
2153 comfortnoise_encoder_select="lpc"
2154 cook_decoder_select="audiodsp mdct sinewin"
2155 cscd_decoder_select="lzo"
2156 cscd_decoder_suggest="zlib"
2157 dca_decoder_select="fmtconvert mdct"
2158 dirac_decoder_select="dwt golomb videodsp mpegvideoenc"
2159 dnxhd_decoder_select="blockdsp idctdsp"
2160 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2161 dvvideo_decoder_select="dvprofile idctdsp"
2162 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2163 dxa_decoder_select="zlib"
2164 eac3_decoder_select="ac3_decoder"
2165 eac3_encoder_select="ac3_encoder"
2166 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2167 eatgq_decoder_select="aandcttables"
2168 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
2169 exr_decoder_select="zlib"
2170 ffv1_decoder_select="golomb rangecoder"
2171 ffv1_encoder_select="rangecoder"
2172 ffvhuff_decoder_select="huffyuv_decoder"
2173 ffvhuff_encoder_select="huffyuv_encoder"
2174 fic_decoder_select="golomb"
2175 flac_decoder_select="golomb"
2176 flac_encoder_select="bswapdsp golomb lpc"
2177 flashsv_decoder_select="zlib"
2178 flashsv_encoder_select="zlib"
2179 flashsv2_encoder_select="zlib"
2180 flashsv2_decoder_select="zlib"
2181 flv_decoder_select="h263_decoder"
2182 flv_encoder_select="h263_encoder"
2183 fourxm_decoder_select="blockdsp bswapdsp"
2184 fraps_decoder_select="bswapdsp huffman"
2185 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2186 g729_decoder_select="audiodsp"
2187 h261_decoder_select="mpeg_er mpegvideo"
2188 h261_encoder_select="aandcttables mpegvideoenc"
2189 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
2190 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2191 h263i_decoder_select="h263_decoder"
2192 h263p_decoder_select="h263_decoder"
2193 h263p_encoder_select="h263_encoder"
2194 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
2195 h264_decoder_suggest="error_resilience"
2196 h264_qsv_decoder_deps="libmfx"
2197 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2198 h264_qsv_encoder_deps="libmfx"
2199 h264_qsv_encoder_select="qsvenc"
2200 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2201 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2202 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
2203 iac_decoder_select="imc_decoder"
2204 imc_decoder_select="bswapdsp fft mdct sinewin"
2205 indeo3_decoder_select="hpeldsp"
2206 interplay_video_decoder_select="hpeldsp"
2207 jpegls_decoder_select="golomb mjpeg_decoder"
2208 jpegls_encoder_select="golomb"
2209 jv_decoder_select="blockdsp"
2210 lagarith_decoder_select="huffyuvdsp"
2211 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2212 loco_decoder_select="golomb"
2213 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2214 metasound_decoder_select="lsp mdct sinewin"
2215 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2216 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2217 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2218 mjpegb_decoder_select="mjpeg_decoder"
2219 mlp_decoder_select="mlp_parser"
2220 motionpixels_decoder_select="bswapdsp"
2221 mp1_decoder_select="mpegaudio"
2222 mp1float_decoder_select="mpegaudio"
2223 mp2_decoder_select="mpegaudio"
2224 mp2float_decoder_select="mpegaudio"
2225 mp3_decoder_select="mpegaudio"
2226 mp3adu_decoder_select="mpegaudio"
2227 mp3adufloat_decoder_select="mpegaudio"
2228 mp3float_decoder_select="mpegaudio"
2229 mp3on4_decoder_select="mpegaudio"
2230 mp3on4float_decoder_select="mpegaudio"
2231 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2232 mpc8_decoder_select="mpegaudiodsp"
2233 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2234 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2235 mpegvideo_decoder_select="error_resilience mpeg_er mpegvideo"
2236 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2237 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2238 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2239 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2240 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2241 mpeg4_encoder_select="h263_encoder"
2242 msmpeg4v1_decoder_select="h263_decoder"
2243 msmpeg4v2_decoder_select="h263_decoder"
2244 msmpeg4v2_encoder_select="h263_encoder"
2245 msmpeg4v3_decoder_select="h263_decoder"
2246 msmpeg4v3_encoder_select="h263_encoder"
2247 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
2248 mxpeg_decoder_select="mjpeg_decoder"
2249 nellymoser_decoder_select="mdct sinewin"
2250 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2251 nuv_decoder_select="idctdsp lzo"
2252 on2avc_decoder_select="mdct"
2253 opus_decoder_deps="swresample"
2254 opus_decoder_select="imdct15"
2255 png_decoder_select="zlib"
2256 png_encoder_select="huffyuvencdsp zlib"
2257 prores_decoder_select="blockdsp idctdsp"
2258 prores_encoder_select="fdctdsp"
2259 qcelp_decoder_select="lsp"
2260 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2261 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2262 ra_144_decoder_select="audiodsp"
2263 ralf_decoder_select="golomb"
2264 rawvideo_decoder_select="bswapdsp"
2265 rtjpeg_decoder_select="me_cmp"
2266 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2267 rv10_encoder_select="h263_encoder"
2268 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2269 rv20_encoder_select="h263_encoder"
2270 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
2271 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
2272 shorten_decoder_select="golomb"
2273 sipr_decoder_select="lsp"
2274 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2275 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2276 sonic_decoder_select="golomb rangecoder"
2277 sonic_encoder_select="golomb rangecoder"
2278 sonic_ls_encoder_select="golomb rangecoder"
2279 sp5x_decoder_select="mjpeg_decoder"
2280 svq1_decoder_select="hpeldsp"
2281 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2282 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2283 svq3_decoder_suggest="zlib"
2284 tak_decoder_select="audiodsp"
2285 tdsc_decoder_select="zlib mjpeg_decoder"
2286 theora_decoder_select="vp3_decoder"
2287 thp_decoder_select="mjpeg_decoder"
2288 tiff_decoder_suggest="zlib lzma"
2289 tiff_encoder_suggest="zlib"
2290 truehd_decoder_select="mlp_parser"
2291 truemotion2_decoder_select="bswapdsp"
2292 truespeech_decoder_select="bswapdsp"
2293 tscc_decoder_select="zlib"
2294 twinvq_decoder_select="mdct lsp sinewin"
2295 utvideo_decoder_select="bswapdsp"
2296 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2297 vble_decoder_select="huffyuvdsp"
2298 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
2299 vc1image_decoder_select="vc1_decoder"
2300 vorbis_decoder_select="mdct"
2301 vorbis_encoder_select="mdct"
2302 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2303 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
2304 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
2305 vp6a_decoder_select="vp6_decoder"
2306 vp6f_decoder_select="vp6_decoder"
2307 vp7_decoder_select="h264pred videodsp"
2308 vp8_decoder_select="h264pred videodsp"
2309 vp9_decoder_select="videodsp vp9_parser"
2310 webp_decoder_select="vp8_decoder"
2311 wmalossless_decoder_select="llauddsp"
2312 wmapro_decoder_select="mdct sinewin wma_freqs"
2313 wmav1_decoder_select="mdct sinewin wma_freqs"
2314 wmav1_encoder_select="mdct sinewin wma_freqs"
2315 wmav2_decoder_select="mdct sinewin wma_freqs"
2316 wmav2_encoder_select="mdct sinewin wma_freqs"
2317 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2318 wmv1_decoder_select="h263_decoder"
2319 wmv1_encoder_select="h263_encoder"
2320 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"
2321 wmv2_encoder_select="h263_encoder"
2322 wmv3_decoder_select="vc1_decoder"
2323 wmv3image_decoder_select="wmv3_decoder"
2324 zerocodec_decoder_select="zlib"
2325 zlib_decoder_select="zlib"
2326 zlib_encoder_select="zlib"
2327 zmbv_decoder_select="zlib"
2328 zmbv_encoder_select="zlib"
2330 # hardware accelerators
2331 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2332 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2333 dxva2_deps="dxva2api_h"
2334 vaapi_deps="va_va_h"
2335 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2336 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2337 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2338 xvmc_deps="X11_extensions_XvMClib_h"
2340 h263_vaapi_hwaccel_deps="vaapi"
2341 h263_vaapi_hwaccel_select="h263_decoder"
2342 h263_vdpau_hwaccel_deps="vdpau"
2343 h263_vdpau_hwaccel_select="h263_decoder"
2344 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2345 h264_d3d11va_hwaccel_deps="d3d11va"
2346 h264_d3d11va_hwaccel_select="h264_decoder"
2347 h264_dxva2_hwaccel_deps="dxva2"
2348 h264_dxva2_hwaccel_select="h264_decoder"
2349 h264_mmal_decoder_deps="mmal"
2350 h264_mmal_hwaccel_deps="mmal"
2351 h264_mmal_decoder_select="h264_decoder"
2352 h264_mmal_encoder_deps="mmal"
2353 h264_qsv_hwaccel_deps="libmfx"
2354 h264_vaapi_hwaccel_deps="vaapi"
2355 h264_vaapi_hwaccel_select="h264_decoder"
2356 h264_vda_decoder_deps="vda"
2357 h264_vda_decoder_select="h264_decoder"
2358 h264_vda_hwaccel_deps="vda"
2359 h264_vda_hwaccel_select="h264_decoder"
2360 h264_vda_old_hwaccel_deps="vda"
2361 h264_vda_old_hwaccel_select="h264_decoder"
2362 h264_vdpau_decoder_deps="vdpau"
2363 h264_vdpau_decoder_select="h264_decoder"
2364 h264_vdpau_hwaccel_deps="vdpau"
2365 h264_vdpau_hwaccel_select="h264_decoder"
2366 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2367 hevc_d3d11va_hwaccel_select="hevc_decoder"
2368 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2369 hevc_dxva2_hwaccel_select="hevc_decoder"
2370 mpeg_vdpau_decoder_deps="vdpau"
2371 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2372 mpeg_xvmc_hwaccel_deps="xvmc"
2373 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2374 mpeg1_vdpau_decoder_deps="vdpau"
2375 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2376 mpeg1_vdpau_hwaccel_deps="vdpau"
2377 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2378 mpeg1_xvmc_hwaccel_deps="xvmc"
2379 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2380 mpeg2_crystalhd_decoder_select="crystalhd"
2381 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2382 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2383 mpeg2_dxva2_hwaccel_deps="dxva2"
2384 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2385 mpeg2_vaapi_hwaccel_deps="vaapi"
2386 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2387 mpeg2_vdpau_hwaccel_deps="vdpau"
2388 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2389 mpeg2_xvmc_hwaccel_deps="xvmc"
2390 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2391 mpeg4_crystalhd_decoder_select="crystalhd"
2392 mpeg4_vaapi_hwaccel_deps="vaapi"
2393 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2394 mpeg4_vdpau_decoder_deps="vdpau"
2395 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2396 mpeg4_vdpau_hwaccel_deps="vdpau"
2397 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2398 msmpeg4_crystalhd_decoder_select="crystalhd"
2399 vc1_crystalhd_decoder_select="crystalhd"
2400 vc1_d3d11va_hwaccel_deps="d3d11va"
2401 vc1_d3d11va_hwaccel_select="vc1_decoder"
2402 vc1_dxva2_hwaccel_deps="dxva2"
2403 vc1_dxva2_hwaccel_select="vc1_decoder"
2404 vc1_vaapi_hwaccel_deps="vaapi"
2405 vc1_vaapi_hwaccel_select="vc1_decoder"
2406 vc1_vdpau_decoder_deps="vdpau"
2407 vc1_vdpau_decoder_select="vc1_decoder"
2408 vc1_vdpau_hwaccel_deps="vdpau"
2409 vc1_vdpau_hwaccel_select="vc1_decoder"
2410 wmv3_crystalhd_decoder_select="crystalhd"
2411 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2412 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2413 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2414 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2415 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2418 h264_parser_select="h264_decoder"
2419 hevc_parser_select="hevc_decoder"
2420 mpegvideo_parser_select="mpegvideo"
2421 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
2422 vc1_parser_select="mpegvideo startcode vc1_decoder"
2425 mjpeg2jpeg_bsf_select="jpegtables"
2427 # external libraries
2428 libaacplus_encoder_deps="libaacplus"
2429 libcelt_decoder_deps="libcelt"
2430 libdcadec_decoder_deps="libdcadec"
2431 libfaac_encoder_deps="libfaac"
2432 libfaac_encoder_select="audio_frame_queue"
2433 libfdk_aac_decoder_deps="libfdk_aac"
2434 libfdk_aac_encoder_deps="libfdk_aac"
2435 libfdk_aac_encoder_select="audio_frame_queue"
2436 libgme_demuxer_deps="libgme"
2437 libgsm_decoder_deps="libgsm"
2438 libgsm_encoder_deps="libgsm"
2439 libgsm_ms_decoder_deps="libgsm"
2440 libgsm_ms_encoder_deps="libgsm"
2441 libilbc_decoder_deps="libilbc"
2442 libilbc_encoder_deps="libilbc"
2443 libmodplug_demuxer_deps="libmodplug"
2444 libmp3lame_encoder_deps="libmp3lame"
2445 libmp3lame_encoder_select="audio_frame_queue"
2446 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2447 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2448 libopencore_amrnb_encoder_select="audio_frame_queue"
2449 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2450 libopenh264_encoder_deps="libopenh264"
2451 libopenjpeg_decoder_deps="libopenjpeg"
2452 libopenjpeg_encoder_deps="libopenjpeg"
2453 libopus_decoder_deps="libopus"
2454 libopus_encoder_deps="libopus"
2455 libopus_encoder_select="audio_frame_queue"
2456 libquvi_demuxer_deps="libquvi"
2457 libschroedinger_decoder_deps="libschroedinger"
2458 libschroedinger_encoder_deps="libschroedinger"
2459 libshine_encoder_deps="libshine"
2460 libshine_encoder_select="audio_frame_queue"
2461 libspeex_decoder_deps="libspeex"
2462 libspeex_encoder_deps="libspeex"
2463 libspeex_encoder_select="audio_frame_queue"
2464 libstagefright_h264_decoder_deps="libstagefright_h264"
2465 libtheora_encoder_deps="libtheora"
2466 libtwolame_encoder_deps="libtwolame"
2467 libvo_aacenc_encoder_deps="libvo_aacenc"
2468 libvo_aacenc_encoder_select="audio_frame_queue"
2469 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2470 libvorbis_decoder_deps="libvorbis"
2471 libvorbis_encoder_deps="libvorbis"
2472 libvorbis_encoder_select="audio_frame_queue"
2473 libvpx_vp8_decoder_deps="libvpx"
2474 libvpx_vp8_encoder_deps="libvpx"
2475 libvpx_vp9_decoder_deps="libvpx"
2476 libvpx_vp9_encoder_deps="libvpx"
2477 libwavpack_encoder_deps="libwavpack"
2478 libwebp_encoder_deps="libwebp"
2479 libwebp_anim_encoder_deps="libwebp"
2480 libx264_encoder_deps="libx264"
2481 libx264rgb_encoder_deps="libx264"
2482 libx264rgb_encoder_select="libx264_encoder"
2483 libx265_encoder_deps="libx265"
2484 libxavs_encoder_deps="libxavs"
2485 libxvid_encoder_deps="libxvid"
2486 libutvideo_decoder_deps="libutvideo"
2487 libutvideo_encoder_deps="libutvideo"
2488 libzvbi_teletext_decoder_deps="libzvbi"
2489 nvenc_encoder_deps="nvenc"
2490 nvenc_h265_encoder_deps="nvenc"
2493 ac3_demuxer_select="ac3_parser"
2494 asf_demuxer_select="riffdec"
2495 asf_muxer_select="riffenc"
2496 asf_stream_muxer_select="asf_muxer"
2497 avi_demuxer_select="riffdec exif"
2498 avi_muxer_select="riffenc"
2499 avisynth_demuxer_deps="avisynth"
2500 avisynth_demuxer_select="riffdec"
2501 caf_demuxer_select="riffdec"
2502 dash_muxer_select="mp4_muxer"
2503 dirac_demuxer_select="dirac_parser"
2504 dts_demuxer_select="dca_parser"
2505 dtshd_demuxer_select="dca_parser"
2506 dv_demuxer_select="dvprofile"
2507 dv_muxer_select="dvprofile"
2508 dxa_demuxer_select="riffdec"
2509 eac3_demuxer_select="ac3_parser"
2510 f4v_muxer_select="mov_muxer"
2511 flac_demuxer_select="flac_parser"
2512 hds_muxer_select="flv_muxer"
2513 hls_muxer_select="mpegts_muxer"
2514 image2_alias_pix_demuxer_select="image2_demuxer"
2515 image2_brender_pix_demuxer_select="image2_demuxer"
2516 ipod_muxer_select="mov_muxer"
2517 ismv_muxer_select="mov_muxer"
2518 libnut_demuxer_deps="libnut"
2519 libnut_muxer_deps="libnut"
2520 matroska_audio_muxer_select="matroska_muxer"
2521 matroska_demuxer_select="riffdec"
2522 matroska_demuxer_suggest="bzlib lzo zlib"
2523 matroska_muxer_select="riffenc"
2524 mmf_muxer_select="riffenc"
2525 mov_demuxer_select="riffdec"
2526 mov_demuxer_suggest="zlib"
2527 mov_muxer_select="riffenc rtpenc_chain"
2528 mp3_demuxer_select="mpegaudio_parser"
2529 mp4_muxer_select="mov_muxer"
2530 mpegts_muxer_select="adts_muxer latm_muxer"
2531 mpegtsraw_demuxer_select="mpegts_demuxer"
2532 mxf_d10_muxer_select="mxf_muxer"
2533 mxf_opatom_muxer_select="mxf_muxer"
2534 nut_muxer_select="riffenc"
2535 nuv_demuxer_select="riffdec"
2536 oga_muxer_select="ogg_muxer"
2537 ogg_demuxer_select="golomb"
2538 opus_muxer_select="ogg_muxer"
2539 psp_muxer_select="mov_muxer"
2540 rtp_demuxer_select="sdp_demuxer"
2541 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2542 rtsp_demuxer_select="http_protocol rtpdec"
2543 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2544 sap_demuxer_select="sdp_demuxer"
2545 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2546 sdp_demuxer_select="rtpdec"
2547 smoothstreaming_muxer_select="ismv_muxer"
2548 spdif_muxer_select="aac_parser"
2549 spx_muxer_select="ogg_muxer"
2550 tak_demuxer_select="tak_parser"
2551 tg2_muxer_select="mov_muxer"
2552 tgp_muxer_select="mov_muxer"
2553 vobsub_demuxer_select="mpegps_demuxer"
2554 w64_demuxer_select="wav_demuxer"
2555 w64_muxer_select="wav_muxer"
2556 wav_demuxer_select="riffdec"
2557 wav_muxer_select="riffenc"
2558 webm_muxer_select="riffenc"
2559 wtv_demuxer_select="riffdec"
2560 wtv_muxer_select="riffenc"
2561 xmv_demuxer_select="riffdec"
2562 xwma_demuxer_select="riffdec"
2565 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2566 alsa_outdev_deps="alsa_asoundlib_h"
2567 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2568 avfoundation_indev_select="avfoundation"
2569 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2570 caca_outdev_deps="libcaca"
2571 decklink_outdev_deps="decklink pthreads"
2572 decklink_outdev_extralibs="-lstdc++"
2573 decklink_indev_deps="decklink pthreads"
2574 decklink_indev_extralibs="-lstdc++"
2575 dshow_indev_deps="IBaseFilter"
2576 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
2577 dv1394_indev_deps="dv1394"
2578 dv1394_indev_select="dv_demuxer"
2579 fbdev_indev_deps="linux_fb_h"
2580 fbdev_outdev_deps="linux_fb_h"
2581 gdigrab_indev_deps="CreateDIBSection"
2582 gdigrab_indev_extralibs="-lgdi32"
2583 gdigrab_indev_select="bmp_decoder"
2584 iec61883_indev_deps="libiec61883"
2585 jack_indev_deps="jack_jack_h sem_timedwait"
2586 lavfi_indev_deps="avfilter"
2587 libcdio_indev_deps="libcdio"
2588 libdc1394_indev_deps="libdc1394"
2589 libv4l2_indev_deps="libv4l2"
2590 openal_indev_deps="openal"
2591 opengl_outdev_deps="opengl"
2592 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2593 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2594 pulse_indev_deps="libpulse"
2595 pulse_outdev_deps="libpulse"
2596 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2597 qtkit_indev_select="qtkit"
2598 sdl_outdev_deps="sdl"
2599 sndio_indev_deps="sndio_h"
2600 sndio_outdev_deps="sndio_h"
2601 v4l_indev_deps="linux_videodev_h"
2602 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2603 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2604 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2605 vfwcap_indev_extralibs="-lavicap32"
2606 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2607 xv_outdev_extralibs="-lXv -lX11 -lXext"
2608 x11grab_indev_deps="x11grab"
2609 x11grab_xcb_indev_deps="libxcb"
2612 bluray_protocol_deps="libbluray"
2613 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2614 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2615 ffrtmpcrypt_protocol_select="tcp_protocol"
2616 ffrtmphttp_protocol_deps="!librtmp_protocol"
2617 ffrtmphttp_protocol_select="http_protocol"
2618 ftp_protocol_select="tcp_protocol"
2619 gopher_protocol_select="network"
2620 http_protocol_select="tcp_protocol"
2621 httpproxy_protocol_select="tcp_protocol"
2622 https_protocol_select="tls_protocol"
2623 icecast_protocol_select="http_protocol"
2624 librtmp_protocol_deps="librtmp"
2625 librtmpe_protocol_deps="librtmp"
2626 librtmps_protocol_deps="librtmp"
2627 librtmpt_protocol_deps="librtmp"
2628 librtmpte_protocol_deps="librtmp"
2629 libsmbclient_protocol_deps="libsmbclient gplv3"
2630 libssh_protocol_deps="libssh"
2631 mmsh_protocol_select="http_protocol"
2632 mmst_protocol_select="network"
2633 rtmp_protocol_deps="!librtmp_protocol"
2634 rtmp_protocol_select="tcp_protocol"
2635 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2636 rtmps_protocol_deps="!librtmp_protocol"
2637 rtmps_protocol_select="tls_protocol"
2638 rtmpt_protocol_select="ffrtmphttp_protocol"
2639 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2640 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2641 rtp_protocol_select="udp_protocol"
2642 sctp_protocol_deps="struct_sctp_event_subscribe"
2643 sctp_protocol_select="network"
2644 srtp_protocol_select="rtp_protocol"
2645 tcp_protocol_select="network"
2646 tls_securetransport_protocol_deps="securetransport"
2647 tls_gnutls_protocol_deps="gnutls !tls_securetransport_protocol"
2648 tls_openssl_protocol_deps="openssl !tls_securetransport_protocol !tls_gnutls_protocol"
2649 tls_protocol_deps_any="tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
2650 tls_protocol_select="tcp_protocol"
2651 udp_protocol_select="network"
2652 udplite_protocol_select="network"
2653 unix_protocol_deps="sys_un_h"
2654 unix_protocol_select="network"
2657 amovie_filter_deps="avcodec avformat"
2658 aresample_filter_deps="swresample"
2659 ass_filter_deps="libass"
2660 asyncts_filter_deps="avresample"
2661 atempo_filter_deps="avcodec"
2662 atempo_filter_select="rdft"
2663 azmq_filter_deps="libzmq"
2664 blackframe_filter_deps="gpl"
2665 boxblur_filter_deps="gpl"
2666 bs2b_filter_deps="libbs2b"
2667 colormatrix_filter_deps="gpl"
2668 cover_rect_filter_deps="avcodec avformat gpl"
2669 cropdetect_filter_deps="gpl"
2670 delogo_filter_deps="gpl"
2671 deshake_filter_select="pixelutils"
2672 drawtext_filter_deps="libfreetype"
2673 ebur128_filter_deps="gpl"
2674 eq_filter_deps="gpl"
2675 fftfilt_filter_deps="avcodec"
2676 fftfilt_filter_select="rdft"
2677 flite_filter_deps="libflite"
2678 find_rect_filter_deps="avcodec avformat gpl"
2679 frei0r_filter_deps="frei0r dlopen"
2680 frei0r_src_filter_deps="frei0r dlopen"
2681 fspp_filter_deps="gpl"
2682 geq_filter_deps="gpl"
2683 histeq_filter_deps="gpl"
2684 hqdn3d_filter_deps="gpl"
2685 interlace_filter_deps="gpl"
2686 kerndeint_filter_deps="gpl"
2687 ladspa_filter_deps="ladspa dlopen"
2688 mcdeint_filter_deps="avcodec gpl"
2689 movie_filter_deps="avcodec avformat"
2690 mpdecimate_filter_deps="gpl"
2691 mpdecimate_filter_select="pixelutils"
2692 mptestsrc_filter_deps="gpl"
2693 negate_filter_deps="lut_filter"
2694 perspective_filter_deps="gpl"
2695 pp7_filter_deps="gpl"
2696 ocv_filter_deps="libopencv"
2697 owdenoise_filter_deps="gpl"
2698 pan_filter_deps="swresample"
2699 phase_filter_deps="gpl"
2700 pp_filter_deps="gpl postproc"
2701 pullup_filter_deps="gpl"
2702 removelogo_filter_deps="avcodec avformat swscale"
2703 repeatfields_filter_deps="gpl"
2704 resample_filter_deps="avresample"
2705 sab_filter_deps="gpl swscale"
2706 scale_filter_deps="swscale"
2707 select_filter_select="pixelutils"
2708 smartblur_filter_deps="gpl swscale"
2709 showcqt_filter_deps="avcodec"
2710 showcqt_filter_select="fft"
2711 showspectrum_filter_deps="avcodec"
2712 showspectrum_filter_select="rdft"
2713 spp_filter_deps="gpl avcodec"
2714 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
2715 stereo3d_filter_deps="gpl"
2716 subtitles_filter_deps="avformat avcodec libass"
2717 super2xsai_filter_deps="gpl"
2718 tinterlace_filter_deps="gpl"
2719 vidstabdetect_filter_deps="libvidstab"
2720 vidstabtransform_filter_deps="libvidstab"
2721 pixfmts_super2xsai_test_deps="super2xsai_filter"
2722 tinterlace_merge_test_deps="tinterlace_filter"
2723 tinterlace_pad_test_deps="tinterlace_filter"
2724 uspp_filter_deps="gpl avcodec"
2725 zmq_filter_deps="libzmq"
2726 zoompan_filter_deps="swscale"
2729 avio_reading="avformat avcodec avutil"
2730 avio_list_dir="avformat avutil"
2731 avcodec_example_deps="avcodec avutil"
2732 decoding_encoding_example_deps="avcodec avformat avutil"
2733 demuxing_decoding_example_deps="avcodec avformat avutil"
2734 extract_mvs_example_deps="avcodec avformat avutil"
2735 filter_audio_example_deps="avfilter avutil"
2736 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2737 filtering_video_example_deps="avfilter avcodec avformat avutil"
2738 metadata_example_deps="avformat avutil"
2739 muxing_example_deps="avcodec avformat avutil swscale"
2740 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2741 remuxing_example_deps="avcodec avformat avutil"
2742 resampling_audio_example_deps="avutil swresample"
2743 scaling_video_example_deps="avutil swscale"
2744 transcode_aac_example_deps="avcodec avformat swresample"
2745 transcoding_example_deps="avfilter avcodec avformat avutil"
2747 # libraries, in linking order
2748 avcodec_deps="avutil"
2749 avdevice_deps="avformat avcodec avutil"
2750 avfilter_deps="avutil"
2751 avformat_deps="avcodec avutil"
2752 avresample_deps="avutil"
2753 postproc_deps="avutil gpl"
2754 swresample_deps="avutil"
2755 swscale_deps="avutil"
2758 ffmpeg_deps="avcodec avfilter avformat swresample"
2759 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2761 setpts_filter trim_filter"
2762 ffplay_deps="avcodec avformat swscale swresample sdl"
2763 ffplay_libs='$sdl_libs'
2764 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
2765 ffprobe_deps="avcodec avformat"
2766 ffserver_deps="avformat fork sarestart"
2767 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2770 podpages_deps="perl"
2771 manpages_deps="perl pod2man"
2772 htmlpages_deps="perl"
2773 htmlpages_deps_any="makeinfo_html texi2html"
2774 txtpages_deps="perl makeinfo"
2775 doc_deps_any="manpages htmlpages podpages txtpages"
2777 # default parameters
2779 logfile="config.log"
2781 # installation paths
2782 prefix_default="/usr/local"
2783 bindir_default='${prefix}/bin'
2784 datadir_default='${prefix}/share/ffmpeg'
2785 docdir_default='${prefix}/share/doc/ffmpeg'
2786 incdir_default='${prefix}/include'
2787 libdir_default='${prefix}/lib'
2788 mandir_default='${prefix}/share/man'
2794 host_cc_default="gcc"
2796 doxygen_default="doxygen"
2801 pkg_config_default=pkg-config
2802 if ranlib 2>&1 | grep -q "\-D "; then
2803 ranlib_default="ranlib -D"
2805 ranlib_default="ranlib"
2807 strip_default="strip"
2808 yasmexe_default="yasm"
2809 windres_default="windres"
2812 target_os_default=$(tolower $(uname -s))
2813 host_os=$target_os_default
2816 if test "$target_os_default" = aix; then
2817 arch_default=$(uname -p)
2818 strip_default="strip -X32_64"
2820 arch_default=$(uname -m)
2825 # configurable options
2826 enable $PROGRAM_LIST
2827 enable $DOCUMENT_LIST
2828 enable $EXAMPLE_LIST
2829 enable $(filter_out avresample $LIBRARY_LIST)
2835 enable faan faandct faanidct
2836 enable optimizations
2837 enable runtime_cpudetect
2838 enable safe_bitstream_reader
2840 enable swscale_alpha
2841 enable valgrind_backtrace
2843 sws_max_filter_size_default=256
2844 set_default sws_max_filter_size
2846 # Enable hwaccels by default.
2847 enable d3d11va dxva2 vaapi vda vdpau xvmc
2851 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2854 FULLNAME='$(NAME)$(BUILDSUF)'
2855 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2858 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2859 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2860 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2861 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2862 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2863 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2885 host_cflags_filter=echo
2886 host_ldflags_filter=echo
2888 target_path='$(CURDIR)'
2890 # since the object filename is not given with the -MM flag, the compiler
2891 # is only able to print the basename, and we must add the path ourselves
2892 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2896 if test -f configure; then
2899 source_path=$(cd $(dirname "$0"); pwd)
2900 echo "$source_path" | grep -q '[[:blank:]]' &&
2901 die "Out of tree builds are impossible with whitespace in source path."
2902 test -e "$source_path/config.h" &&
2903 die "Out of tree builds are impossible with config.h in source dir."
2910 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2916 file=$source_path/$3
2917 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2920 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2921 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2922 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2923 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2924 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2925 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2926 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2927 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2928 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2929 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2930 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2946 for n in $COMPONENT_LIST; do
2947 v=$(toupper ${n%s})_LIST
2949 eval ${n}_if_any="\$$v"
2952 enable $ARCH_EXT_LIST
2955 echo "Unknown option \"$1\"."
2956 echo "See $0 --help for available options."
2961 cat | tr ' ' '\n' | sort | pr -r -3 -t
2967 echo $* | sed s/$suffix//g | print_3_columns
2979 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2980 echo "prob ${prob:-0.5}"
2988 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2989 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2998 --extra-ldexeflags=*)
2999 add_ldexeflags $optval
3002 add_extralibs $optval
3005 disable $INDEV_LIST $OUTDEV_LIST
3008 debuglevel="$optval"
3011 disable $PROGRAM_LIST
3013 --disable-everything)
3014 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3017 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3018 disable $LIBRARY_LIST $PROGRAM_LIST doc
3020 --enable-random|--disable-random)
3021 action=${opt%%-random}
3022 do_random ${action#--} $COMPONENT_LIST
3024 --enable-random=*|--disable-random=*)
3025 action=${opt%%-random=*}
3026 do_random ${action#--} $optval
3028 --enable-*=*|--disable-*=*)
3029 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3030 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3031 eval list=\$$(toupper $thing)_LIST
3032 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3033 list=$(filter "$name" $list)
3034 [ "$list" = "" ] && warn "Option $opt did not match anything"
3037 --enable-?*|--disable-?*)
3038 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3039 if is_in $option $COMPONENT_LIST; then
3040 test $action = disable && action=unset
3041 eval $action \$$(toupper ${option%s})_LIST
3042 elif is_in $option $CMDLINE_SELECT; then
3049 NAME="${opt#--list-}"
3050 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3052 eval show_list $NAME \$$(toupper $NAME)_LIST
3054 --help|-h) show_help
3056 --fatal-warnings) enable fatal_warnings
3059 optname="${opt%%=*}"
3060 optname="${optname#--}"
3061 optname=$(echo "$optname" | sed 's/-/_/g')
3062 if is_in $optname $CMDLINE_SET; then
3063 eval $optname='$optval'
3064 elif is_in $optname $CMDLINE_APPEND; then
3065 append $optname "$optval"
3073 disabled logging && logfile=/dev/null
3075 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3078 test -n "$valgrind" && toolchain="valgrind-memcheck"
3080 case "$toolchain" in
3083 add_cflags -fsanitize=address
3084 add_ldflags -fsanitize=address
3088 add_cflags -fsanitize=thread -pie
3089 add_ldflags -fsanitize=thread -pie
3093 add_cflags -fsanitize=undefined
3094 add_ldflags -fsanitize=undefined
3098 add_cflags -fsanitize=address
3099 add_ldflags -fsanitize=address
3103 add_cflags -fsanitize=thread -pie -fPIC
3104 add_ldflags -fsanitize=thread -pie -fPIC
3108 add_cflags -fsanitize=undefined
3109 add_ldflags -fsanitize=undefined
3112 target_exec_default=${valgrind:-"valgrind"}
3113 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"
3116 target_exec_default=${valgrind:-"valgrind"}
3117 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3120 # Check whether the current MSVC version needs the C99 converter.
3121 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3122 # support enough of C99 to build ffmpeg. Default to the new
3123 # behaviour if the regexp was unable to match anything, since this
3124 # successfully parses the version number of existing supported
3125 # versions that require the converter (MSVC 2010 and 2012).
3126 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3127 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3130 cc_default="c99wrap cl"
3133 nm_default="dumpbin -symbols"
3135 target_os_default="win32"
3136 # Use a relative path for TMPDIR. This makes sure all the
3137 # ffconf temp files are written with a relative path, avoiding
3138 # issues with msys/win32 path conversion for MSVC parameters
3139 # such as -Fo<file> or -out:<file>.
3145 nm_default="dumpbin -symbols"
3147 target_os_default="win32"
3151 add_cflags -fprofile-arcs -ftest-coverage
3152 add_ldflags -fprofile-arcs -ftest-coverage
3155 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3156 add_cflags -fno-strict-overflow -fstack-protector-all
3157 add_ldflags -Wl,-z,relro -Wl,-z,now
3160 die "Unknown toolchain $toolchain"
3164 test -n "$cross_prefix" && enable cross_compile
3166 if enabled cross_compile; then
3167 test -n "$arch" && test -n "$target_os" ||
3168 die "Must specify target arch and OS when cross-compiling"
3171 ar_default="${cross_prefix}${ar_default}"
3172 cc_default="${cross_prefix}${cc_default}"
3173 cxx_default="${cross_prefix}${cxx_default}"
3174 nm_default="${cross_prefix}${nm_default}"
3175 pkg_config_default="${cross_prefix}${pkg_config_default}"
3176 ranlib_default="${cross_prefix}${ranlib_default}"
3177 strip_default="${cross_prefix}${strip_default}"
3178 windres_default="${cross_prefix}${windres_default}"
3180 sysinclude_default="${sysroot}/usr/include"
3182 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3183 target_exec target_os yasmexe
3184 enabled cross_compile || host_cc_default=$cc
3187 pkg_config_fail_message=""
3188 if ! $pkg_config --version >/dev/null 2>&1; then
3189 warn "$pkg_config not found, library detection may fail."
3191 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3192 pkg_config_fail_message="
3193 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3196 if test $doxygen != $doxygen_default && \
3197 ! $doxygen --version >/dev/null 2>&1; then
3198 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3203 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3207 EXESUF=$(exesuf $target_os)
3208 HOSTEXESUF=$(exesuf $host_os)
3210 # set temporary file name
3211 : ${TMPDIR:=$TEMPDIR}
3215 if [ -n "$tempprefix" ] ; then
3217 echo $tempprefix.${HOSTNAME}.${UID}
3219 elif ! check_cmd mktemp -u XXXXXX; then
3220 # simple replacement for missing mktemp
3221 # NOT SAFE FOR GENERAL USE
3223 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3228 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3229 (set -C; exec > $tmp) 2>/dev/null ||
3230 die "Unable to create temporary file in $TMPDIR."
3231 append TMPFILES $tmp
3235 trap 'rm -f -- $TMPFILES' EXIT
3240 tmpfile TMPE $EXESUF
3252 # make sure we can execute files in $TMPDIR
3253 cat > $TMPSH 2>> $logfile <<EOF
3256 chmod +x $TMPSH >> $logfile 2>&1
3257 if ! $TMPSH >> $logfile 2>&1; then
3259 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3260 variable to another directory and make sure that it is not mounted noexec.
3262 die "Sanity test failed."
3268 # Filter out MSVC cl.exe options from cflags that shouldn't
3269 # be passed to gas-preprocessor
3279 -std=c99) echo -c99 ;;
3280 -mcpu=*) echo -arch ${flag#*=} ;;
3281 -mieee) echo -ieee ;;
3282 -O*|-fast) echo $flag ;;
3283 -fno-math-errno) echo -assume nomath_errno ;;
3285 -Wall) echo -msg_enable level2 ;;
3286 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3287 -Wl,*) echo $flag ;;
3297 -Wno-switch) echo -Wno-switch-enum ;;
3298 -Wno-format-zero-length) ;;
3299 -Wdisabled-optimization) ;;
3300 -Wno-pointer-sign) echo -Wno-other ;;
3306 msvc_common_flags(){
3309 # In addition to specifying certain flags under the compiler
3310 # specific filters, they must be specified here as well or else the
3311 # generic catch all at the bottom will print the original flag.
3315 -fomit-frame-pointer) ;;
3319 -fno-signed-zeros) ;;
3323 -lz) echo zlib.lib ;;
3324 -lavifil32) echo vfw32.lib ;;
3325 -lavicap32) echo vfw32.lib user32.lib ;;
3326 -l*) echo ${flag#-l}.lib ;;
3327 -L*) echo -libpath:${flag#-L} ;;
3334 msvc_common_flags "$@"
3337 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3338 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3339 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3341 -wd4273 -wd4554 -wd4701 ;;
3347 msvc_common_flags "$@"
3350 # Despite what Intel's documentation says -Wall, which is supported
3351 # on Windows, does enable remarks so disable them here.
3352 -Wall) echo $flag -Qdiag-disable:remark ;;
3353 -std=c99) echo -Qstd=c99 ;;
3371 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3372 -fomit-frame-pointer) echo -Mnoframe ;;
3383 case "${flag#*=}" in
3384 native) echo -xtarget=native ;;
3385 v9|niagara) echo -xarch=sparc ;;
3386 ultrasparc) echo -xarch=sparcvis ;;
3387 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3388 i586|pentium) echo -xchip=pentium ;;
3389 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3390 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3391 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3392 pentium4*) echo -xtarget=pentium4 ;;
3393 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3394 *-sse3) echo -xarch=sse3 ;;
3395 core2) echo -xarch=ssse3 -xchip=core2 ;;
3396 bonnell) echo -xarch=ssse3 ;;
3397 corei7|nehalem) echo -xtarget=nehalem ;;
3398 westmere) echo -xtarget=westmere ;;
3399 silvermont) echo -xarch=sse4_2 ;;
3400 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3401 core-avx*|ivybridge|haswell|broadwell)
3403 amdfam10|barcelona) echo -xtarget=barcelona ;;
3404 btver1) echo -xarch=amdsse4a ;;
3405 btver2|bdver*) echo -xarch=avx ;;
3406 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3407 k8|opteron|athlon64|athlon-fx)
3408 echo -xarch=sse2a ;;
3409 athlon*) echo -xarch=pentium_proa ;;
3412 -std=c99) echo -xc99 ;;
3413 -fomit-frame-pointer) echo -xregs=frameptr ;;
3414 -fPIC) echo -KPIC -xcode=pic32 ;;
3415 -W*,*) echo $flag ;;
3416 -f*-*|-W*|-mimpure-text) ;;
3427 case "${flag#*=}" in
3428 armv7-a|cortex-a*) echo -mv=7a8 ;;
3429 armv7-r|cortex-r*) echo -mv=7r4 ;;
3430 armv7-m|cortex-m*) echo -mv=7m3 ;;
3431 armv6*|arm11*) echo -mv=6 ;;
3432 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3434 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3437 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3438 -mfpu=vfp) echo --float_support=vfpv2 ;;
3439 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3440 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3441 -msoft-float) echo --float_support=vfplib ;;
3442 -O[0-3]|-mf=*) echo $flag ;;
3444 -pds=*) echo $flag ;;
3445 -D*|-I*) echo $flag ;;
3446 --gcc|--abi=*) echo $flag ;;
3456 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3457 unset _ld_o _ldflags _ld_lib _ld_path
3458 unset _depflags _DEPCMD _DEPFLAGS
3461 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3462 true # no-op to avoid reading stdin in following checks
3463 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3465 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
3466 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
3467 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3470 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3472 gcc_version=$($_cc --version | head -n1)
3473 gcc_basever=$($_cc -dumpversion)
3474 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3475 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3476 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3477 if ! $_cc -dumpversion | grep -q '^2\.'; then
3478 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3482 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3484 _ident=$($_cc --version | head -n1)
3489 _flags_filter=icc_flags
3490 elif $_cc -v 2>&1 | grep -q xlc; then
3492 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3494 _cflags_size='-O5 -qcompact'
3495 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3497 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3499 _cflags_speed='-fast'
3501 _flags_filter=ccc_flags
3502 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3503 test -d "$sysroot" || die "No valid sysroot specified."
3505 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3506 armcc_conf="$PWD/armcc.conf"
3507 $_cc --arm_linux_configure \
3508 --arm_linux_config_file="$armcc_conf" \
3509 --configure_sysroot="$sysroot" \
3510 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3511 die "Error creating armcc configuration file."
3512 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3513 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3514 as_default="${cross_prefix}gcc"
3518 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3520 _ident=$($_cc -version | head -n1 | tr -s ' ')
3521 _flags='--gcc --abi=eabi -me'
3524 _depflags='-ppa -ppd=$(@:.o=.d)'
3525 _cflags_speed='-O3 -mf=5'
3526 _cflags_size='-O3 -mf=2'
3527 _flags_filter=tms470_flags
3528 elif $_cc -v 2>&1 | grep -q clang; then
3530 _ident=$($_cc --version | head -n1)
3531 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3534 elif $_cc -V 2>&1 | grep -q Sun; then
3536 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3537 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3538 _DEPFLAGS='-xM1 -xc99'
3541 _cflags_size='-O5 -xspace'
3542 _flags_filter=suncc_flags
3543 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3545 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3546 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3549 _flags_filter='filter_out -Wdisabled-optimization'
3550 elif $_cc -v 2>&1 | grep -q Open64; then
3552 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3553 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3556 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3557 elif $_cc -V 2>&1 | grep -q Portland; then
3559 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3560 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3561 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3562 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3564 _flags_filter=pgi_flags
3565 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3567 _ident=$($_cc | head -n1)
3568 # 4509: "This form of conditional instruction is deprecated"
3569 _flags="-nologo -ignore 4509"
3570 _flags_filter=armasm_flags
3571 elif $_cc 2>&1 | grep -q Intel; then
3573 _ident=$($_cc 2>&1 | head -n1)
3574 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3575 # Not only is O3 broken on 13.x+ but it is slower on all previous
3576 # versions (tested) as well.
3578 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3579 if $_cc 2>&1 | grep -q Linker; then
3586 _flags_filter=icl_flags
3588 _ld_path='-libpath:'
3589 # -Qdiag-error to make icl error when seeing certain unknown arguments
3590 _flags='-nologo -Qdiag-error:4044,10157'
3591 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3592 # with MSVC which enables it by default.
3593 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3594 if [ $pfx = hostcc ]; then
3595 append _cflags -Dsnprintf=_snprintf
3598 elif $_cc 2>&1 | grep -q Microsoft; then
3600 _ident=$($_cc 2>&1 | head -n1)
3601 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3602 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3605 if $_cc 2>&1 | grep -q Linker; then
3612 _flags_filter=msvc_flags
3614 _ld_path='-libpath:'
3616 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3617 if [ $pfx = hostcc ]; then
3618 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -le 18 ]; then
3619 append _cflags -Dsnprintf=_snprintf
3623 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3625 _ident=$($_cc --version | head -n1)
3629 _flags_filter=cparser_flags
3632 eval ${pfx}_type=\$_type
3633 eval ${pfx}_ident=\$_ident
3637 eval ${1}_C=\${_cc_c-\${${1}_C}}
3638 eval ${1}_E=\${_cc_e-\${${1}_E}}
3639 eval ${1}_O=\${_cc_o-\${${1}_O}}
3641 if [ -n "$_depflags" ]; then
3642 eval ${1}_DEPFLAGS=\$_depflags
3644 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3645 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3646 eval DEP${1}FLAGS=\$_flags
3651 cflags_filter=$_flags_filter
3652 cflags_speed=$_cflags_speed
3653 cflags_size=$_cflags_size
3654 cflags_noopt=$_cflags_noopt
3655 add_cflags $_flags $_cflags
3656 cc_ldflags=$_ldflags
3659 probe_cc hostcc "$host_cc"
3660 host_cflags_filter=$_flags_filter
3661 add_host_cflags $_flags $_cflags
3664 test -n "$cc_type" && enable $cc_type ||
3665 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3667 : ${as_default:=$cc}
3668 : ${dep_cc_default:=$cc}
3669 : ${ld_default:=$cc}
3670 : ${host_ld_default:=$host_cc}
3671 set_default ar as dep_cc ld host_ld windres
3674 asflags_filter=$_flags_filter
3675 add_asflags $_flags $_cflags
3679 ldflags_filter=$_flags_filter
3680 add_ldflags $_flags $_ldflags
3681 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3683 LD_LIB=${_ld_lib-$LD_LIB}
3684 LD_PATH=${_ld_path-$LD_PATH}
3686 probe_cc hostld "$host_ld"
3687 host_ldflags_filter=$_flags_filter
3688 add_host_ldflags $_flags $_ldflags
3689 HOSTLD_O=${_ld_o-$HOSTLD_O}
3691 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3692 probe_cc depcc "$dep_cc"
3693 CCDEP=${_DEPCMD:-$DEPCMD}
3694 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3698 if $ar 2>&1 | grep -q Microsoft; then
3701 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3704 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3705 arflags='-Xany -r -c'
3707 elif $ar 2>&1 | grep -q "\[D\] "; then
3715 add_cflags $extra_cflags
3716 add_cxxflags $extra_cxxflags
3717 add_asflags $extra_cflags
3719 if test -n "$sysroot"; then
3722 add_cppflags --sysroot="$sysroot"
3723 add_ldflags --sysroot="$sysroot"
3724 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
3725 add_cppflags -isysroot "$sysroot"
3726 add_ldflags -isysroot "$sysroot"
3729 add_cppflags -I"$sysinclude"
3730 add_ldflags --sysroot="$sysroot"
3735 if test "$cpu" = host; then
3736 enabled cross_compile &&
3737 die "--cpu=host makes no sense when cross-compiling."
3742 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3744 s/.*$1=\\([^ ]*\\).*/\\1/
3749 cpu=$(check_native -march || check_native -mcpu)
3753 test "${cpu:-host}" = host &&
3754 die "--cpu=host not supported with compiler $cc"
3757 # Deal with common $arch aliases
3771 "Power Macintosh"|ppc*|powerpc*)
3786 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3791 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3794 # Add processor-specific flags
3795 if enabled aarch64; then
3799 cpuflags="-march=$cpu"
3802 cpuflags="-mcpu=$cpu"
3806 elif enabled alpha; then
3808 cpuflags="-mcpu=$cpu"
3810 elif enabled arm; then
3813 check_cpp_condition stddef.h \
3814 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3819 if check_arm_arch 4; then echo armv4;
3820 elif check_arm_arch 4T; then echo armv4t;
3821 elif check_arm_arch 5; then echo armv5;
3822 elif check_arm_arch 5E; then echo armv5e;
3823 elif check_arm_arch 5T; then echo armv5t;
3824 elif check_arm_arch 5TE; then echo armv5te;
3825 elif check_arm_arch 5TEJ; then echo armv5te;
3826 elif check_arm_arch 6; then echo armv6;
3827 elif check_arm_arch 6J; then echo armv6j;
3828 elif check_arm_arch 6K; then echo armv6k;
3829 elif check_arm_arch 6Z; then echo armv6z;
3830 elif check_arm_arch 6ZK; then echo armv6zk;
3831 elif check_arm_arch 6T2; then echo armv6t2;
3832 elif check_arm_arch 7; then echo armv7;
3833 elif check_arm_arch 7A 7_A; then echo armv7-a;
3834 elif check_arm_arch 7S; then echo armv7-a;
3835 elif check_arm_arch 7R 7_R; then echo armv7-r;
3836 elif check_arm_arch 7M 7_M; then echo armv7-m;
3837 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3838 elif check_arm_arch 8A 8_A; then echo armv8-a;
3842 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3846 cpuflags="-march=$cpu"
3847 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3850 cpuflags="-mcpu=$cpu"
3852 cortex-a*) subarch=armv7a ;;
3853 cortex-r*) subarch=armv7r ;;
3854 cortex-m*) enable thumb; subarch=armv7m ;;
3855 arm11*) subarch=armv6 ;;
3856 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3857 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3858 *) subarch=$(probe_arm_arch) ;;
3864 armv5t*) enable fast_clz ;;
3867 disabled fast_unaligned || enable fast_unaligned
3871 elif enabled avr32; then
3876 cpuflags="-mpart=$cpu"
3880 cpuflags="-march=$cpu"
3884 cpuflags="-mcpu=$cpu"
3888 cpuflags="-march=$cpu"
3892 elif enabled bfin; then
3894 cpuflags="-mcpu=$cpu"
3896 elif enabled mips; then
3898 cpuflags="-march=$cpu"
3923 24kef*|34kf*|1004kf*)
3945 check_cflags "-mtune=p5600"
3953 check_cflags "-mtune=i6400 -mabi=64"
3954 check_ldflags "-mabi=64"
3964 enable local_aligned_8 local_aligned_16
3965 enable simd_align_16
3969 enable fast_unaligned
3970 disable aligned_stack
3971 cpuflags="-march=loongson3a -mhard-float"
3980 elif enabled ppc; then
3985 case $(tolower $cpu) in
3986 601|ppc601|powerpc601)
3987 cpuflags="-mcpu=601"
3990 603*|ppc603*|powerpc603*)
3991 cpuflags="-mcpu=603"
3994 604*|ppc604*|powerpc604*)
3995 cpuflags="-mcpu=604"
3998 g3|75*|ppc75*|powerpc75*)
3999 cpuflags="-mcpu=750"
4002 g4|745*|ppc745*|powerpc745*)
4003 cpuflags="-mcpu=7450"
4006 74*|ppc74*|powerpc74*)
4007 cpuflags="-mcpu=7400"
4010 g5|970|ppc970|powerpc970)
4011 cpuflags="-mcpu=970"
4015 cpuflags="-mcpu=$cpu"
4019 cpuflags="-mcpu=$cpu"
4022 cpuflags="-mcpu=cell"
4027 cpuflags="-mcpu=e500mc"
4031 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4036 cpuflags="-mcpu=8540 -mhard-float"
4042 elif enabled sparc; then
4045 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4046 cpuflags="-mcpu=$cpu"
4048 ultrasparc*|niagara[234])
4049 cpuflags="-mcpu=$cpu"
4053 elif enabled x86; then
4057 cpuflags="-march=$cpu"
4061 # targets that do NOT support nopl and conditional mov (cmov)
4062 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4063 cpuflags="-march=$cpu"
4066 # targets that do support nopl and conditional mov (cmov)
4067 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4068 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)
4069 cpuflags="-march=$cpu"
4073 # targets that do support conditional mov but on which it's slow
4074 pentium4|pentium4m|prescott|nocona)
4075 cpuflags="-march=$cpu"
4083 if [ "$cpu" != generic ]; then
4084 add_cflags $cpuflags
4085 add_asflags $cpuflags
4088 # compiler sanity check
4090 int main(void){ return 0; }
4092 if test "$?" != 0; then
4093 echo "$cc is unable to create an executable file."
4094 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4095 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4096 echo "Only do this if you know what cross compiling means."
4098 die "C compiler test failed."
4101 add_cppflags -D_ISOC99_SOURCE
4102 add_cxxflags -D__STDC_CONSTANT_MACROS
4103 check_cflags -std=c99
4104 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
4107 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
4111 add_host_cppflags -D_ISOC99_SOURCE
4112 check_host_cflags -std=c99
4113 check_host_cflags -Wall
4114 check_host_cflags -O3
4120 check_code cc "" "int test[2*($expr) - 1]" &&
4121 subarch=$arch64 || subarch=$arch32
4129 check_64bit mips mips64 '_MIPS_SIM > 1'
4133 check_64bit parisc parisc64 'sizeof(void *) > 4'
4137 check_64bit ppc ppc64 'sizeof(void *) > 4'
4141 check_64bit s390 s390x 'sizeof(void *) > 4'
4145 check_64bit sparc sparc64 'sizeof(void *) > 4'
4149 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4150 # Treat x32 as x64 for now. Note it also needs spic=$shared
4151 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4153 if test "$subarch" = "x86_64"; then
4158 check_cc <<EOF && subarch="ppc64"
4159 int test[(int)sizeof(char*) - 7];
4165 enabled spic && enable_weak pic
4171 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4172 enabled shared && add_ldflags -Wl,-brtl
4176 enable section_data_rel_ro
4177 SLIB_INSTALL_NAME='$(SLIBNAME)'
4179 # soname not set on purpose
4183 prefix_default="/boot/common"
4184 network_extralibs="-lnetwork"
4188 SHFLAGS='-shared -Wl,-h,$$(@F)'
4189 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
4190 network_extralibs="-lsocket -lnsl"
4191 add_cppflags -D__EXTENSIONS__
4192 # When using suncc to build, the Solaris linker will mark
4193 # an executable with each instruction set encountered by
4194 # the Solaris assembler. As our libraries contain their own
4195 # guards for processor-specific code, instead suppress
4196 # generation of the HWCAPS ELF section on Solaris x86 only.
4197 enabled_all suncc x86 &&
4198 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4199 add_ldflags -Wl,-M,mapfile
4200 nm_default='nm -P -g'
4204 oss_indev_extralibs="-lossaudio"
4205 oss_outdev_extralibs="-lossaudio"
4206 enabled gcc || check_ldflags -Wl,-zmuldefs
4211 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4213 oss_indev_extralibs="-lossaudio"
4214 oss_outdev_extralibs="-lossaudio"
4222 add_extralibs -lpoll -lgnugetopt
4226 enabled ppc && add_asflags -force_cpusubtype_ALL
4227 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4228 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4230 add_ldflags -Wl,-dynamic,-search_paths_first
4232 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4233 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4235 enabled x86_64 && objformat="macho64"
4236 enabled_any pic shared x86_64 ||
4237 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4240 if test $target_os = "mingw32ce"; then
4246 if enabled x86_64; then
4247 LIBTARGET="i386:x86-64"
4248 elif enabled arm; then
4251 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4252 check_ldflags -Wl,--nxcompat
4253 check_ldflags -Wl,--dynamicbase
4254 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4255 shlibdir_default="$bindir_default"
4258 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4259 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4260 dlltool="${cross_prefix}dlltool"
4261 if check_cmd lib.exe -list; then
4262 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4263 if enabled x86_64; then
4266 elif check_cmd $dlltool --version; then
4267 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4269 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4271 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4272 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4273 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
4280 if enabled shared; then
4281 # Link to the import library instead of the normal static library
4284 # Cannot build both shared and static libs with MSVC or icl.
4287 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
4288 shlibdir_default="$bindir_default"
4291 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4292 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4293 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4294 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4296 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4297 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4298 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4305 shlibdir_default="$bindir_default"
4308 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4309 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4310 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4312 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4313 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4316 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4318 *-dos|freedos|opendos)
4319 network_extralibs="-lsocket"
4322 add_cppflags -U__STRICT_ANSI__
4326 enable section_data_rel_ro
4330 ranlib="echo ignoring ranlib"
4336 add_cppflags -D_GNU_SOURCE
4337 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4338 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4342 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4343 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4344 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4345 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4346 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4347 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4348 emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'
4349 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4350 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4351 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4353 enable_weak os2threads
4356 add_cppflags -D_BSD_SOURCE
4361 add_cppflags -D_QNX_SOURCE
4362 network_extralibs="-lsocket"
4367 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4368 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4369 add_ldflags -Wl,--target1-abs,--no-undefined \
4370 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4371 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4372 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4373 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4374 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4377 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4382 add_cppflags -D_C99_SNPRINTF_EXTENSION \
4383 -D_REENTRANT_SOURCE \
4384 -D_RESEARCH_SOURCE \
4387 add_compat strtod.o strtod=avpriv_strtod
4388 network_extralibs='-lbsd'
4389 exeobjs=compat/plan9/main.o
4396 die "Unknown OS '$target_os'."
4400 # determine libc flavour
4405 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4406 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4407 eval ${pfx}libc_type=uclibc
4408 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4409 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4410 eval ${pfx}libc_type=glibc
4411 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4412 # MinGW headers can be installed on Cygwin, so check for newlib first.
4413 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4414 eval ${pfx}libc_type=newlib
4415 add_${pfx}cppflags -U__STRICT_ANSI__
4416 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4417 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4418 eval ${pfx}libc_type=mingw64
4419 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
4420 add_compat msvcrt/snprintf.o
4421 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
4423 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4424 eval test \$${pfx_no_}cc_type = "gcc" &&
4425 add_${pfx}cppflags -D__printf__=__gnu_printf__
4426 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4427 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4428 eval ${pfx}libc_type=mingw32
4429 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4430 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4431 die "ERROR: MinGW32 runtime version must be >= 3.15."
4432 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4433 eval test \$${pfx_no_}cc_type = "gcc" &&
4434 add_${pfx}cppflags -D__printf__=__gnu_printf__
4435 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4436 eval ${pfx}libc_type=msvcrt
4437 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4438 # 0x601 by default unless something else is set by the user.
4439 # This can easily lead to us detecting functions only present
4440 # in such new versions and producing binaries requiring windows 7.0.
4441 # Therefore explicitly set the default to XP unless the user has
4442 # set something else on the command line.
4443 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4444 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
4445 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4446 eval ${pfx}libc_type=klibc
4447 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4448 eval ${pfx}libc_type=bionic
4449 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4450 eval ${pfx}libc_type=solaris
4451 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4453 check_${pfx}cc <<EOF
4455 void *v = localtime_r;
4457 test "$?" != 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
4459 void *v = localtime_r;
4465 test -n "$libc_type" && enable libc_$libc_type
4467 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4471 add_compat strtod.o strtod=avpriv_strtod
4474 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -le 18 ]; then
4475 add_compat strtod.o strtod=avpriv_strtod
4476 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4477 _snprintf=avpriv_snprintf \
4478 vsnprintf=avpriv_vsnprintf
4483 # hacks for compiler/libc/os combinations
4485 if enabled_all tms470 libc_glibc; then
4486 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4487 add_cppflags -D__USER_LABEL_PREFIX__=
4488 add_cppflags -D__builtin_memset=memset
4489 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4490 add_cflags -pds=48 # incompatible redefinition of macro
4493 if enabled_all ccc libc_glibc; then
4494 add_ldflags -Wl,-z,now # calls to libots crash without this
4497 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4498 add_cppflags '-I\$(SRC_PATH)/compat/float'
4501 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4504 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
4506 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4509 : ${shlibdir_default:="$libdir"}
4510 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
4512 set_default $PATHS_LIST
4515 # we need to build at least one lib type
4516 if ! enabled_any static shared; then
4518 At least one library type must be built.
4519 Specify --enable-static to build the static libraries or --enable-shared to
4520 build the shared libraries as well. To only build the shared libraries specify
4521 --disable-static in addition to --enable-shared.
4526 die_license_disabled() {
4527 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
4530 die_license_disabled_gpl() {
4531 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
4534 die_license_disabled gpl frei0r
4535 die_license_disabled gpl libcdio
4536 die_license_disabled gpl libsmbclient
4537 die_license_disabled gpl libutvideo
4538 die_license_disabled gpl libvidstab
4539 die_license_disabled gpl libx264
4540 die_license_disabled gpl libx265
4541 die_license_disabled gpl libxavs
4542 die_license_disabled gpl libxvid
4543 die_license_disabled gpl libzvbi
4544 die_license_disabled gpl x11grab
4546 die_license_disabled nonfree libaacplus
4547 die_license_disabled nonfree libfaac
4548 die_license_disabled nonfree nvenc
4549 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
4550 enabled gpl && die_license_disabled_gpl nonfree openssl
4552 die_license_disabled version3 libopencore_amrnb
4553 die_license_disabled version3 libopencore_amrwb
4554 die_license_disabled version3 libsmbclient
4555 die_license_disabled version3 libvo_aacenc
4556 die_license_disabled version3 libvo_amrwbenc
4558 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4560 disabled optimizations || check_cflags -fomit-frame-pointer
4563 disabled pic && return
4566 case "$target_os" in
4576 enabled pic && enable_weak_pic
4578 check_cc <<EOF || die "Symbol mangling check failed."
4581 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4582 extern_prefix=${sym%%ff_extern*}
4584 check_cc <<EOF && enable_weak inline_asm
4585 void foo(void) { __asm__ volatile ("" ::); }
4589 for restrict_keyword in restrict __restrict__ __restrict; do
4590 check_cc <<EOF && _restrict=$restrict_keyword && break
4591 void foo(char * $restrict_keyword p);
4595 check_cc <<EOF && enable pragma_deprecated
4596 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4599 check_cc <<EOF && enable attribute_packed
4600 struct { int x; } __attribute__((packed)) x;
4603 check_cc <<EOF && enable attribute_may_alias
4604 union { int x; } __attribute__((may_alias)) x;
4607 check_cc <<EOF || die "endian test failed"
4608 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4610 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4612 if [ "$cpu" = "power7" ] || [ "$cpu" = "power8" ] || enabled ppc64; then
4613 if ! enabled bigendian && enabled altivec ;then
4619 log "check_gas using '$as' as AS"
4620 # :vararg is used on aarch64, arm and ppc altivec
4621 check_as <<EOF || return 1
4622 .macro m n, y:vararg=0
4627 # .altmacro is only used in arm asm
4628 ! enabled arm || check_as <<EOF || return 1
4635 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
4637 enabled_any arm aarch64 && nogas=die
4638 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
4642 arm*) gaspp_as_type=armasm; as_noop=-h ;;
4643 gcc) gaspp_as_type=gas ;;
4644 *) gaspp_as_type=$as_type ;;
4647 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
4649 test "${as#*gas-preprocessor.pl}" != "$as" ||
4650 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
4651 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
4653 if ! check_gas ; then
4656 $nogas "GNU assembler not found, install/update gas-preprocessor"
4659 check_as <<EOF && enable as_func
4665 check_inline_asm inline_asm_labels '"1:\n"'
4667 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
4669 if enabled aarch64; then
4670 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
4671 # internal assembler in clang 3.3 does not support this instruction
4672 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
4673 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
4675 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4677 elif enabled alpha; then
4681 elif enabled arm; then
4683 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
4684 float func(float a, float b){ return a+b; }
4687 enabled thumb && check_cflags -mthumb || check_cflags -marm
4689 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4691 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
4692 case "${cross_prefix:-$cc}" in
4693 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4694 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4695 __asm__ (".eabi_attribute 28, 1");
4696 int main(void) { return 0; }
4699 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4702 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4703 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4704 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4705 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4706 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4707 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4708 enabled setend && check_insn setend 'setend be'
4710 [ $target_os = linux ] || [ $target_os = android ] ||
4711 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4714 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4716 check_as <<EOF && enable as_dn_directive
4721 # llvm's integrated assembler supports .object_arch from llvm 3.5
4722 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
4726 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4728 elif enabled mips; then
4730 # Enable minimum ISA based on selected options
4731 if enabled mips64 && (enabled mipsdspr1 || enabled mipsdspr2); then
4732 add_cflags "-mips64r2"
4733 add_asflags "-mips64r2"
4734 elif enabled mips64 && enabled mipsfpu && disabled loongson3; then
4735 add_cflags "-mips64"
4736 add_asflags "-mips64"
4737 elif enabled mipsdspr1 || enabled mipsdspr2; then
4738 add_cflags "-mips32r2 -mfp32"
4739 add_asflags "-mips32r2 -mfp32"
4740 elif enabled mips32r5 || enabled mips64r6; then
4741 check_cflags "-mfp64"
4742 check_ldflags "-mfp64"
4745 enabled mips32r5 && check_cflags "-mips32r5 -msched-weight -mload-store-pairs -funroll-loops" &&
4746 check_ldflags "-mips32r5" &&
4747 check_inline_asm mips32r5 '"ulw $t0, ($t1)"'
4748 enabled mips64r6 && check_cflags "-mips64r6 -msched-weight -mload-store-pairs -funroll-loops" &&
4749 check_ldflags "-mips64r6" &&
4750 check_inline_asm mips64r6 '"aui $t0, $t1, 1"'
4751 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
4752 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
4753 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
4754 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
4755 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
4756 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
4757 enabled msa && check_cflags "-mmsa" && check_ldflags "-mmsa" &&
4758 check_inline_asm msa '"addvi.b $w0, $w1, 1"'
4759 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
4761 enabled mips32r5 && add_asflags "-mips32r5 -mfp64"
4762 enabled mips64r6 && add_asflags "-mips64r6 -mfp64"
4763 enabled msa && add_asflags "-mmsa"
4765 elif enabled parisc; then
4767 if enabled gcc; then
4768 case $($cc -dumpversion) in
4769 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
4773 elif enabled ppc; then
4775 enable local_aligned_8 local_aligned_16 local_aligned_32
4777 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4778 check_inline_asm ibm_asm '"add 0, 0, 0"'
4779 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4780 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4782 # AltiVec flags: The FSF version of GCC differs from the Apple version
4783 if enabled altivec; then
4784 check_cflags -maltivec -mabi=altivec &&
4785 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4786 check_cflags -faltivec
4788 # check if our compiler supports Motorola AltiVec C API
4789 check_cc <<EOF || disable altivec
4792 vector signed int v1 = (vector signed int) { 0 };
4793 vector signed int v2 = (vector signed int) { 1 };
4794 v1 = vec_add(v1, v2);
4799 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4802 if enabled vsx; then
4803 check_cflags -mvsx &&
4804 check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx
4807 if enabled power8; then
4808 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
4811 elif enabled x86; then
4813 check_builtin rdtsc intrin.h "__rdtsc()"
4814 check_builtin mm_empty mmintrin.h "_mm_empty()"
4816 enable local_aligned_8 local_aligned_16 local_aligned_32
4818 # check whether EBP is available on x86
4819 # As 'i' is stored on the stack, this program will crash
4820 # if the base pointer is used to access it because the
4821 # base pointer is cleared in the inline assembly code.
4822 check_exec_crash <<EOF && enable ebp_available
4824 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4828 # check whether EBX is available on x86
4829 check_inline_asm ebx_available '""::"b"(0)' &&
4830 check_inline_asm ebx_available '"":::"%ebx"'
4832 # check whether xmm clobbers are supported
4833 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4835 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
4836 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
4838 # check whether binutils is new enough to compile SSSE3/MMXEXT
4839 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4840 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4842 if ! disabled_any asm mmx yasm; then
4843 if check_cmd $yasmexe --version; then
4844 enabled x86_64 && yasm_extra="-m amd64"
4845 yasm_debug="-g dwarf2"
4846 elif check_cmd nasm -v; then
4848 yasm_debug="-g -F dwarf"
4849 if enabled x86_64; then
4850 case "$objformat" in
4851 elf) objformat=elf64 ;;
4852 win32) objformat=win64 ;;
4857 YASMFLAGS="-f $objformat $yasm_extra"
4858 enabled pic && append YASMFLAGS "-DPIC"
4859 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4860 case "$objformat" in
4861 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4864 check_yasm "movbe ecx, [5]" && enable yasm ||
4865 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4866 check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
4867 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
4868 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4869 check_yasm "CPU amdnop" || disable cpunop
4873 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4880 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
4882 check_ldflags -Wl,--as-needed
4883 check_ldflags -Wl,-z,noexecstack
4885 if check_func dlopen; then
4887 elif check_func dlopen -ldl; then
4891 frei0r_filter_extralibs='$ldl'
4892 frei0r_src_filter_extralibs='$ldl'
4893 ladspa_filter_extralibs='$ldl'
4894 nvenc_encoder_extralibs='$ldl'
4896 if ! disabled network; then
4897 check_func getaddrinfo $network_extralibs
4898 check_func getservbyport $network_extralibs
4899 check_func inet_aton $network_extralibs
4901 check_type netdb.h "struct addrinfo"
4902 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4903 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4904 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4905 check_type poll.h "struct pollfd"
4906 check_type netinet/sctp.h "struct sctp_event_subscribe"
4907 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4908 check_type netinet/in.h "struct sockaddr_in6"
4909 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4910 check_type "sys/types.h sys/socket.h" socklen_t
4912 # Prefer arpa/inet.h over winsock2
4913 if check_header arpa/inet.h ; then
4914 check_func closesocket
4915 elif check_header winsock2.h ; then
4916 check_func_headers winsock2.h closesocket -lws2 &&
4917 network_extralibs="-lws2" ||
4918 { check_func_headers winsock2.h closesocket -lws2_32 &&
4919 network_extralibs="-lws2_32"; } || disable winsock2_h network
4920 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4922 check_type ws2tcpip.h socklen_t
4923 check_type ws2tcpip.h "struct addrinfo"
4924 check_type ws2tcpip.h "struct group_source_req"
4925 check_type ws2tcpip.h "struct ip_mreq_source"
4926 check_type ws2tcpip.h "struct ipv6_mreq"
4927 check_type winsock2.h "struct pollfd"
4928 check_struct winsock2.h "struct sockaddr" sa_len
4929 check_type ws2tcpip.h "struct sockaddr_in6"
4930 check_type ws2tcpip.h "struct sockaddr_storage"
4936 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4937 check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"
4938 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4939 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4940 check_builtin sarestart signal.h "SA_RESTART"
4941 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4943 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4944 check_func ${malloc_prefix}memalign && enable memalign
4945 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4948 check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
4951 check_func gethrtime
4953 check_func getrusage
4954 check_func gettimeofday
4957 check_func localtime_r
4958 check_func mach_absolute_time
4962 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4963 check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
4964 check_func sched_getaffinity
4965 check_func setrlimit
4966 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
4967 check_func strerror_r
4972 check_func_headers conio.h kbhit
4973 check_func_headers io.h setmode
4974 check_func_headers lzo/lzo1x.h lzo1x_999_compress
4975 check_func_headers stdlib.h getenv
4977 check_func_headers windows.h CoTaskMemFree -lole32
4978 check_func_headers windows.h GetProcessAffinityMask
4979 check_func_headers windows.h GetProcessTimes
4980 check_func_headers windows.h GetSystemTimeAsFileTime
4981 check_func_headers windows.h MapViewOfFile
4982 check_func_headers windows.h PeekNamedPipe
4983 check_func_headers windows.h SetConsoleTextAttribute
4984 check_func_headers windows.h Sleep
4985 check_func_headers windows.h VirtualAlloc
4986 check_struct windows.h "CONDITION_VARIABLE" Ptr
4987 check_func_headers glob.h glob
4989 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
4991 check_header direct.h
4992 check_header dlfcn.h
4993 check_header d3d11.h
4995 check_header dxva2api.h -D_WIN32_WINNT=0x0600
4997 check_header libcrystalhd/libcrystalhd_if.h
4998 check_header mach/mach_time.h
4999 check_header malloc.h
5000 check_header net/udplite.h
5002 check_header sys/mman.h
5003 check_header sys/param.h
5004 check_header sys/resource.h
5005 check_header sys/select.h
5006 check_header sys/time.h
5007 check_header sys/un.h
5008 check_header termios.h
5009 check_header unistd.h
5010 check_header valgrind/valgrind.h
5011 check_header vdpau/vdpau.h
5012 check_header vdpau/vdpau_x11.h
5013 check_header VideoDecodeAcceleration/VDADecoder.h
5014 check_header windows.h
5015 check_header X11/extensions/XvMClib.h
5016 check_header asm/types.h
5018 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
5019 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
5020 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
5022 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
5024 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC"
5025 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
5027 if ! disabled w32threads && ! enabled pthreads; then
5028 check_func_headers "windows.h process.h" _beginthreadex &&
5029 enable w32threads || disable w32threads
5032 # check for some common methods of building with pthread support
5033 # do this before the optional library checks as some of them require pthreads
5034 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
5036 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
5038 add_extralibs -pthread
5039 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
5040 add_cflags -pthreads
5041 add_extralibs -pthreads
5042 elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then
5043 add_cflags -ldl -pthread
5044 add_extralibs -ldl -pthread
5045 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
5046 add_extralibs -lpthreadGC2
5047 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
5049 elif ! check_func pthread_join && ! check_func pthread_create; then
5052 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
5056 if enabled pthreads; then
5057 check_func pthread_cancel
5060 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
5061 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
5062 disabled lzma || check_lib2 lzma.h lzma_version_number -llzma || disable lzma
5064 check_lib math.h sin -lm && LIBM="-lm"
5065 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
5071 for func in $MATH_FUNCS; do
5072 eval check_mathfunc $func \${${func}_args:-1}
5075 # these are off by default, so fail if requested and not available
5076 enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; }
5077 enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||
5078 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }
5079 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
5080 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
5081 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
5082 enabled decklink && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }
5083 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
5084 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
5085 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
5086 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
5087 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
5088 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
5089 enabled libbluray && require_pkg_config libbluray libbluray/bluray.h bd_open
5090 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
5091 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
5092 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
5093 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
5094 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
5095 enabled libdcadec && require_pkg_config dcadec libdcadec/dca_context.h dcadec_context_create
5096 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
5097 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
5098 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"
5099 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
5100 enabled fontconfig && enable libfontconfig
5101 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
5102 enabled libfreetype && require_libfreetype
5103 enabled libfribidi && require_pkg_config fribidi fribidi.h fribidi_version_info
5104 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
5105 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
5106 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
5107 done || die "ERROR: libgsm not found"; }
5108 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
5109 enabled libmfx && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit
5110 enabled libmodplug && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load
5111 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
5112 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
5113 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
5114 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
5115 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
5116 enabled libopenh264 && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion
5117 enabled libopenjpeg && { check_lib openjpeg.h opj_version -lopenmj2 -DOPJ_STATIC ||
5118 check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
5119 check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
5120 die "ERROR: libopenjpeg not found"; }
5121 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
5122 enabled libpulse && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new
5123 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
5124 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
5125 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
5126 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
5127 enabled libsmbclient && { use_pkg_config smbclient libsmbclient.h smbc_init ||
5128 require smbclient libsmbclient.h smbc_init -lsmbclient; }
5129 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
5130 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
5131 enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
5132 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
5133 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
5134 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
5135 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
5136 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
5137 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
5138 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
5139 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
5140 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
5141 enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
5142 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
5143 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
5144 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
5146 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
5147 die "ERROR: libvpx decoder version must be >=0.9.1"; }
5148 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 ||
5149 die "ERROR: libvpx encoder version must be >=0.9.7"; }
5150 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
5151 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; } }
5152 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
5153 enabled libwebp && {
5154 enabled libwebp_encoder && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
5155 enabled libwebp_anim_encoder && { use_pkg_config "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit || disable libwebp_anim_encoder; } }
5156 enabled libx264 && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||
5157 { require libx264 x264.h x264_encoder_encode -lx264 &&
5158 warn "using libx264 without pkg-config"; } } &&
5159 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
5160 die "ERROR: libx264 must be installed and version must be >= 0.118."; }
5161 enabled libx265 && require_pkg_config x265 x265.h x265_encoder_encode &&
5162 { check_cpp_condition x265.h "X265_BUILD >= 57" ||
5163 die "ERROR: libx265 version must be >= 57."; }
5164 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
5165 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
5166 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
5167 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
5168 enabled mmal && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
5169 { ! enabled cross_compile && {
5170 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;
5171 add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;
5172 check_lib interface/mmal/mmal.h mmal_port_connect ; }
5173 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||
5174 die "ERROR: mmal not found"; }
5175 enabled nvenc && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&
5176 { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" ||
5177 die "ERROR: NVENC API version 4 or older is not supported"; } &&
5178 { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }
5179 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
5180 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
5181 die "ERROR: openal not found"; } &&
5182 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
5183 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
5184 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
5185 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
5186 die "ERROR: opencl not found"; } &&
5187 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
5188 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
5189 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
5190 enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||
5191 check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
5192 check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
5193 check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
5194 die "ERROR: opengl not found."
5196 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
5197 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
5198 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
5199 die "ERROR: openssl not found"; }
5200 enabled qtkit_indev && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; }
5202 if enabled gnutls; then
5203 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
5204 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
5208 if enabled libdc1394; then
5209 { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&
5210 enable libdc1394_2; } ||
5211 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
5212 enable libdc1394_1; } ||
5213 die "ERROR: No version of libdc1394 found "
5215 if ! disabled sdl; then
5216 SDL_CONFIG="${cross_prefix}sdl-config"
5217 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
5218 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5219 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5222 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5223 sdl_cflags=$("${SDL_CONFIG}" --cflags)
5224 sdl_libs=$("${SDL_CONFIG}" --libs)
5225 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
5226 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5227 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5229 elif enabled sdl ; then
5230 die "ERROR: SDL not found"
5236 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
5238 disabled securetransport || { check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5239 check_lib2 "Security/SecureTransport.h Security/Security.h" "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
5240 enable securetransport; }
5242 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
5243 enabled makeinfo && (makeinfo --version | \
5244 grep -q 'makeinfo (GNU texinfo) 5' > /dev/null 2>&1) \
5245 && enable makeinfo_html || disable makeinfo_html
5246 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
5247 perl -v > /dev/null 2>&1 && enable perl || disable perl
5248 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
5249 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
5251 check_header linux/fb.h
5252 check_header linux/videodev.h
5253 check_header linux/videodev2.h
5254 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5256 check_header sys/videoio.h
5257 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5259 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
5260 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
5261 # w32api 3.12 had it defined wrong
5262 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
5264 check_type "dshow.h" IBaseFilter
5266 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
5267 { check_header dev/bktr/ioctl_meteor.h &&
5268 check_header dev/bktr/ioctl_bt848.h; } ||
5269 { check_header machine/ioctl_meteor.h &&
5270 check_header machine/ioctl_bt848.h; } ||
5271 { check_header dev/video/meteor/ioctl_meteor.h &&
5272 check_header dev/video/bktr/ioctl_bt848.h; } ||
5273 check_header dev/ic/bt8xx.h
5275 check_header sndio.h
5276 if check_struct sys/soundcard.h audio_buf_info bytes; then
5277 enable_safe sys/soundcard.h
5279 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
5280 #include <sys/soundcard.h>
5284 check_header soundcard.h
5286 enabled_any alsa_indev alsa_outdev &&
5287 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
5289 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
5290 check_func jack_port_get_latency_range -ljack
5292 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
5294 if enabled libcdio; then
5295 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5296 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5297 die "ERROR: No usable libcdio/cdparanoia found"
5301 check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib
5303 if ! disabled libxcb; then
5304 check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {
5305 enabled libxcb && die "ERROR: libxcb >= 1.4 not found";
5306 } && disable x11grab && enable libxcb
5308 if enabled libxcb; then
5309 disabled libxcb_shm || {
5310 check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {
5311 enabled libxcb_shm && die "ERROR: libxcb_shm not found";
5312 } && check_header sys/shm.h && enable libxcb_shm; }
5314 disabled libxcb_xfixes || {
5315 check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {
5316 enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";
5317 } && enable libxcb_xfixes; }
5319 disabled libxcb_shape || {
5320 check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {
5321 enabled libxcb_shape && die "ERROR: libxcb_shape not found";
5322 } && enable libxcb_shape; }
5324 add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags
5325 add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs
5329 if enabled x11grab; then
5330 enabled xlib || die "ERROR: Xlib not found"
5331 require Xext X11/extensions/XShm.h XShmCreateImage -lXext
5332 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
5335 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
5337 enabled dxva2api_h &&
5338 check_cc <<EOF && enable dxva2api_cobj
5339 #define _WIN32_WINNT 0x0600
5341 #include <windows.h>
5343 #include <dxva2api.h>
5344 int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }
5348 check_cc <<EOF && enable d3d11_cobj
5349 #define _WIN32_WINNT 0x0600
5351 #include <windows.h>
5353 int main(void) { ID3D11VideoDecoder *o = NULL; ID3D11VideoDecoder_Release(o); return 0; }
5357 check_lib va/va.h vaInitialize -lva ||
5360 enabled vaapi && enabled xlib &&
5361 check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&
5365 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
5368 enabled vdpau && enabled xlib &&
5369 check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
5370 prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&
5373 # Funny iconv installations are not unusual, so check it after all flags have been set
5374 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
5376 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
5378 # add some useful compiler flags if supported
5379 check_cflags -Wdeclaration-after-statement
5381 check_cflags -Wdisabled-optimization
5382 check_cflags -Wpointer-arith
5383 check_cflags -Wredundant-decls
5384 check_cflags -Wwrite-strings
5385 check_cflags -Wtype-limits
5386 check_cflags -Wundef
5387 check_cflags -Wmissing-prototypes
5388 check_cflags -Wno-pointer-to-int-cast
5389 check_cflags -Wstrict-prototypes
5390 check_cflags -Wempty-body
5391 enabled extra_warnings && check_cflags -Winline
5393 check_disable_warning(){
5394 warning_flag=-W${1#-Wno-}
5395 test_cflags $warning_flag && add_cflags $1
5398 check_disable_warning -Wno-parentheses
5399 check_disable_warning -Wno-switch
5400 check_disable_warning -Wno-format-zero-length
5401 check_disable_warning -Wno-pointer-sign
5403 # add some linker flags
5404 check_ldflags -Wl,--warn-common
5405 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
5406 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir
5407 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
5409 # add some strip flags
5410 # -wN '..@*' is more selective than -x, but not available everywhere.
5411 check_stripflags -wN \'..@*\' || check_stripflags -x
5413 enabled neon_clobber_test &&
5414 check_ldflags -Wl,--wrap,avcodec_open2 \
5415 -Wl,--wrap,avcodec_decode_audio4 \
5416 -Wl,--wrap,avcodec_decode_video2 \
5417 -Wl,--wrap,avcodec_decode_subtitle2 \
5418 -Wl,--wrap,avcodec_encode_audio2 \
5419 -Wl,--wrap,avcodec_encode_video2 \
5420 -Wl,--wrap,avcodec_encode_subtitle \
5421 -Wl,--wrap,swr_convert \
5422 -Wl,--wrap,avresample_convert ||
5423 disable neon_clobber_test
5425 enabled xmm_clobber_test &&
5426 check_ldflags -Wl,--wrap,avcodec_open2 \
5427 -Wl,--wrap,avcodec_decode_audio4 \
5428 -Wl,--wrap,avcodec_decode_video2 \
5429 -Wl,--wrap,avcodec_decode_subtitle2 \
5430 -Wl,--wrap,avcodec_encode_audio2 \
5431 -Wl,--wrap,avcodec_encode_video \
5432 -Wl,--wrap,avcodec_encode_video2 \
5433 -Wl,--wrap,avcodec_encode_subtitle \
5434 -Wl,--wrap,swr_convert \
5435 -Wl,--wrap,avresample_convert \
5436 -Wl,--wrap,sws_scale ||
5437 disable xmm_clobber_test
5440 if test_ldflags -Wl,--version-script,$TMPV; then
5441 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
5442 check_cc <<EOF && enable symver_asm_label
5443 void ff_foo(void) __asm__ ("av_foo@VERSION");
5444 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
5446 check_cc <<EOF && enable symver_gnu_asm
5447 __asm__(".symver ff_foo,av_foo@VERSION");
5448 void ff_foo(void) {}
5452 if [ -z "$optflags" ]; then
5453 if enabled small; then
5454 optflags=$cflags_size
5455 elif enabled optimizations; then
5456 optflags=$cflags_speed
5458 optflags=$cflags_noopt
5464 enabled lto && check_ldflags "$@"
5468 if enabled lto; then
5469 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
5471 check_ldflags -flto $cpuflags
5472 disable inline_asm_direct_symbol_refs
5475 check_optflags $optflags
5476 check_optflags -fno-math-errno
5477 check_optflags -fno-signed-zeros
5479 enabled ftrapv && check_cflags -ftrapv
5481 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
5486 if enabled icc; then
5487 # Just warnings, no remarks
5489 # -wd: Disable following warnings
5490 # 144, 167, 556: -Wno-pointer-sign
5491 # 188: enumerated type mixed with another type
5492 # 1292: attribute "foo" ignored
5493 # 1419: external declaration in primary source file
5494 # 10006: ignoring unknown option -fno-signed-zeros
5495 # 10148: ignoring unknown option -Wno-parentheses
5496 # 10156: ignoring option '-W'; no argument required
5497 # 13200: No EMMS instruction before call to function
5498 # 13203: No EMMS instruction before return from function
5499 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
5500 # 11030: Warning unknown option --as-needed
5501 # 10156: ignoring option '-export'; no argument required
5502 check_ldflags -wd10156,11030
5503 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
5504 enable ebp_available
5505 # The test above does not test linking
5506 enabled lto && disable symver_asm_label
5507 if enabled x86_32; then
5508 icc_version=$($cc -dumpversion)
5509 test ${icc_version%%.*} -ge 11 &&
5510 check_cflags -falign-stack=maintain-16-byte ||
5511 disable aligned_stack
5513 elif enabled ccc; then
5514 # disable some annoying warnings
5515 add_cflags -msg_disable bitnotint
5516 add_cflags -msg_disable mixfuncvoid
5517 add_cflags -msg_disable nonstandcast
5518 add_cflags -msg_disable unsupieee
5519 elif enabled gcc; then
5520 check_optflags -fno-tree-vectorize
5521 check_cflags -Werror=format-security
5522 check_cflags -Werror=implicit-function-declaration
5523 check_cflags -Werror=missing-prototypes
5524 check_cflags -Werror=return-type
5525 check_cflags -Werror=vla
5526 check_cflags -Wformat
5527 check_cflags -fdiagnostics-color=auto
5528 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
5529 elif enabled llvm_gcc; then
5530 check_cflags -mllvm -stack-alignment=16
5531 elif enabled clang; then
5532 check_cflags -mllvm -stack-alignment=16
5533 check_cflags -Qunused-arguments
5534 check_cflags -Werror=implicit-function-declaration
5535 check_cflags -Werror=missing-prototypes
5536 check_cflags -Werror=return-type
5537 elif enabled cparser; then
5538 add_cflags -Wno-missing-variable-declarations
5539 add_cflags -Wno-empty-statement
5540 elif enabled armcc; then
5541 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
5542 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
5543 # 2523: use of inline assembly is deprecated
5544 add_cflags -W${armcc_opt},--diag_suppress=2523
5545 add_cflags -W${armcc_opt},--diag_suppress=1207
5546 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
5547 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
5548 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
5549 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
5550 elif enabled tms470; then
5551 add_cflags -pds=824 -pds=837
5553 elif enabled pathscale; then
5554 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
5555 elif enabled_any msvc icl; then
5556 enabled x86_32 && disable aligned_stack
5557 enabled_all x86_32 debug && add_cflags -Oy-
5558 enabled debug && add_ldflags -debug
5559 enable pragma_deprecated
5560 if enabled icl; then
5561 # -Qansi-alias is basically -fstrict-aliasing, but does not work
5562 # (correctly) on icl 13.x.
5563 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
5564 add_cflags -Qansi-alias
5565 # Some inline asm is not compilable in debug
5566 if enabled debug; then
5567 disable ebp_available
5568 disable ebx_available
5571 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
5572 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
5577 add_asflags -Qunused-arguments
5583 check_ldflags -Qunused-arguments
5589 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
5592 add_cppflags -Dmain=plan9_main
5596 enable frame_thread_encoder
5598 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
5600 check_deps $CONFIG_LIST \
5605 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"
5608 if test $target_os = "haiku"; then
5610 disable posix_memalign
5613 enabled_all d3d11va d3d11_cobj CoTaskMemFree &&
5614 prepend ffmpeg_libs $($ldflags_filter "-lole32") &&
5617 enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&
5618 prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&
5621 ! enabled_any memalign posix_memalign aligned_malloc &&
5622 enabled simd_align_16 && enable memalign_hack
5625 # -> enable ${lib}_deps_${dep}
5626 # -> add $dep to ${lib}_deps only once
5630 enabled "${lib}_deps_${dep}" && return 0
5631 enable "${lib}_deps_${dep}"
5632 prepend "${lib}_deps" $dep
5635 # merge deps lib components
5636 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
5641 enabled $comp || continue
5642 eval "dep=\"\$${comp}_deps\""
5649 merge_deps libavfilter $FILTER_LIST
5651 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
5653 for thread in $THREADS_LIST; do
5654 if enabled $thread; then
5655 test -n "$thread_type" &&
5656 die "ERROR: Only one thread type must be selected." ||
5657 thread_type="$thread"
5661 enabled zlib && add_cppflags -DZLIB_CONST
5663 # conditional library dependencies, in linking order
5664 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
5665 enabled aresample_filter && prepend avfilter_deps "swresample"
5666 enabled asyncts_filter && prepend avfilter_deps "avresample"
5667 enabled atempo_filter && prepend avfilter_deps "avcodec"
5668 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
5669 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
5670 enabled elbg_filter && prepend avfilter_deps "avcodec"
5671 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
5672 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
5673 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
5674 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
5675 enabled pan_filter && prepend avfilter_deps "swresample"
5676 enabled pp_filter && prepend avfilter_deps "postproc"
5677 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
5678 enabled resample_filter && prepend avfilter_deps "avresample"
5679 enabled sab_filter && prepend avfilter_deps "swscale"
5680 enabled scale_filter && prepend avfilter_deps "swscale"
5681 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
5682 enabled smartblur_filter && prepend avfilter_deps "swscale"
5683 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
5684 enabled uspp_filter && prepend avfilter_deps "avcodec"
5686 enabled lavfi_indev && prepend avdevice_deps "avfilter"
5688 enabled opus_decoder && prepend avcodec_deps "swresample"
5692 eval "deps=\$$lib_deps"
5693 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
5697 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
5698 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
5700 map 'expand_deps $v' $LIBRARY_LIST
5702 echo "install prefix $prefix"
5703 echo "source path $source_path"
5704 echo "C compiler $cc"
5705 echo "C library $libc_type"
5706 if test "$host_cc" != "$cc"; then
5707 echo "host C compiler $host_cc"
5708 echo "host C library $host_libc_type"
5710 echo "ARCH $arch ($cpu)"
5711 if test "$build_suffix" != ""; then
5712 echo "build suffix $build_suffix"
5714 if test "$progs_suffix" != ""; then
5715 echo "progs suffix $progs_suffix"
5717 if test "$extra_version" != ""; then
5718 echo "version string suffix $extra_version"
5720 echo "big-endian ${bigendian-no}"
5721 echo "runtime cpu detection ${runtime_cpudetect-no}"
5722 if enabled x86; then
5723 echo "${yasmexe} ${yasm-no}"
5724 echo "MMX enabled ${mmx-no}"
5725 echo "MMXEXT enabled ${mmxext-no}"
5726 echo "3DNow! enabled ${amd3dnow-no}"
5727 echo "3DNow! extended enabled ${amd3dnowext-no}"
5728 echo "SSE enabled ${sse-no}"
5729 echo "SSSE3 enabled ${ssse3-no}"
5730 echo "AVX enabled ${avx-no}"
5731 echo "XOP enabled ${xop-no}"
5732 echo "FMA3 enabled ${fma3-no}"
5733 echo "FMA4 enabled ${fma4-no}"
5734 echo "i686 features enabled ${i686-no}"
5735 echo "CMOV is fast ${fast_cmov-no}"
5736 echo "EBX available ${ebx_available-no}"
5737 echo "EBP available ${ebp_available-no}"
5739 if enabled aarch64; then
5740 echo "NEON enabled ${neon-no}"
5741 echo "VFP enabled ${vfp-no}"
5743 if enabled arm; then
5744 echo "ARMv5TE enabled ${armv5te-no}"
5745 echo "ARMv6 enabled ${armv6-no}"
5746 echo "ARMv6T2 enabled ${armv6t2-no}"
5747 echo "VFP enabled ${vfp-no}"
5748 echo "NEON enabled ${neon-no}"
5749 echo "THUMB enabled ${thumb-no}"
5751 if enabled mips; then
5752 echo "MIPS FPU enabled ${mipsfpu-no}"
5753 echo "MIPS32R5 enabled ${mips32r5-no}"
5754 echo "MIPS64R6 enabled ${mips64r6-no}"
5755 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
5756 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
5757 echo "MIPS MSA enabled ${msa-no}"
5758 echo "LOONGSON3 enabled ${loongson3-no}"
5760 if enabled ppc; then
5761 echo "AltiVec enabled ${altivec-no}"
5762 echo "VSX enabled ${vsx-no}"
5763 echo "POWER8 enabled ${power8-no}"
5764 echo "PPC 4xx optimizations ${ppc4xx-no}"
5765 echo "dcbzl available ${dcbzl-no}"
5767 echo "debug symbols ${debug-no}"
5768 echo "strip symbols ${stripping-no}"
5769 echo "optimize for size ${small-no}"
5770 echo "optimizations ${optimizations-no}"
5771 echo "static ${static-no}"
5772 echo "shared ${shared-no}"
5773 echo "postprocessing support ${postproc-no}"
5774 echo "new filter support ${avfilter-no}"
5775 echo "network support ${network-no}"
5776 echo "threading support ${thread_type-no}"
5777 echo "safe bitstream reader ${safe_bitstream_reader-no}"
5778 echo "SDL support ${sdl-no}"
5779 echo "opencl enabled ${opencl-no}"
5780 echo "texi2html enabled ${texi2html-no}"
5781 echo "perl enabled ${perl-no}"
5782 echo "pod2man enabled ${pod2man-no}"
5783 echo "makeinfo enabled ${makeinfo-no}"
5784 echo "makeinfo supports HTML ${makeinfo_html-no}"
5785 test -n "$random_seed" &&
5786 echo "random seed ${random_seed}"
5789 echo "External libraries:"
5790 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
5793 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
5794 echo "Enabled ${type}s:"
5795 eval list=\$$(toupper $type)_LIST
5796 print_enabled '_*' $list | print_3_columns
5800 license="LGPL version 2.1 or later"
5801 if enabled nonfree; then
5802 license="nonfree and unredistributable"
5803 elif enabled gplv3; then
5804 license="GPL version 3 or later"
5805 elif enabled lgplv3; then
5806 license="LGPL version 3 or later"
5807 elif enabled gpl; then
5808 license="GPL version 2 or later"
5811 echo "License: $license"
5813 echo "Creating config.mak, config.h, and doc/config.texi..."
5815 test -e Makefile || echo "include $source_path/Makefile" > Makefile
5817 enabled stripping || strip="echo skipping strip"
5819 config_files="$TMPH config.mak doc/config.texi"
5821 cat > config.mak <<EOF
5822 # Automatically generated by configure - do not modify!
5823 ifndef FFMPEG_CONFIG_MAK
5825 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
5827 LIBDIR=\$(DESTDIR)$libdir
5828 SHLIBDIR=\$(DESTDIR)$shlibdir
5829 INCDIR=\$(DESTDIR)$incdir
5830 BINDIR=\$(DESTDIR)$bindir
5831 DATADIR=\$(DESTDIR)$datadir
5832 DOCDIR=\$(DESTDIR)$docdir
5833 MANDIR=\$(DESTDIR)$mandir
5834 PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir
5835 SRC_PATH=$source_path
5836 ifndef MAIN_MAKEFILE
5837 SRC_PATH:=\$(SRC_PATH:.%=..%)
5841 INTRINSICS=$intrinsics
5847 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
5849 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
5878 LDEXEFLAGS=$LDEXEFLAGS
5879 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
5880 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
5881 YASMFLAGS=$YASMFLAGS
5882 BUILDSUF=$build_suffix
5883 PROGSSUF=$progs_suffix
5891 EXTRA_VERSION=$extra_version
5894 CCDEP_FLAGS=$CCDEP_FLAGS
5896 ASDEP_FLAGS=$ASDEP_FLAGS
5897 CC_DEPFLAGS=$CC_DEPFLAGS
5898 AS_DEPFLAGS=$AS_DEPFLAGS
5901 HOSTCFLAGS=$host_cflags
5902 HOSTCPPFLAGS=$host_cppflags
5903 HOSTEXESUF=$HOSTEXESUF
5904 HOSTLDFLAGS=$host_ldflags
5907 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
5908 HOSTCCDEP=$HOSTCCDEP
5909 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
5910 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
5914 TARGET_EXEC=$target_exec $target_exec_args
5915 TARGET_PATH=$target_path
5916 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
5917 CFLAGS-ffplay=$sdl_cflags
5918 ZLIB=$($ldflags_filter -lz)
5919 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
5920 EXTRALIBS=$extralibs
5921 COMPAT_OBJS=$compat_objs
5924 LIBTARGET=${LIBTARGET}
5925 SLIBNAME=${SLIBNAME}
5926 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
5927 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
5928 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
5929 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
5930 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
5931 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
5932 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
5933 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
5934 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
5935 NOREDZONE_FLAGS=$noredzone_flags
5940 name=$(toupper $lcname)
5941 file=$source_path/$lcname/version.h
5942 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
5943 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
5944 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
5945 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
5946 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
5947 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
5950 map 'get_version $v' $LIBRARY_LIST
5952 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST
5954 print_program_libs(){
5955 eval "program_libs=\$${1}_libs"
5956 eval echo "LIBS-${1}=${program_libs}" >> config.mak
5959 map 'print_program_libs $v' $PROGRAM_LIST
5962 /* Automatically generated by configure - do not modify! */
5963 #ifndef FFMPEG_CONFIG_H
5964 #define FFMPEG_CONFIG_H
5965 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
5966 #define FFMPEG_LICENSE "$(c_escape $license)"
5967 #define CONFIG_THIS_YEAR 2015
5968 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
5969 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
5970 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
5971 #define av_restrict $_restrict
5972 #define EXTERN_PREFIX "${extern_prefix}"
5973 #define EXTERN_ASM ${extern_prefix}
5974 #define BUILDSUF "$build_suffix"
5975 #define SLIBSUF "$SLIBSUF"
5976 #define HAVE_MMX2 HAVE_MMXEXT
5977 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
5980 test -n "$assert_level" &&
5981 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
5983 test -n "$malloc_prefix" &&
5984 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
5986 if enabled yasm; then
5987 append config_files $TMPASM
5991 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
5996 echo "@c auto-generated by configure" > doc/config.texi
5998 print_config ARCH_ "$config_files" $ARCH_LIST
5999 print_config HAVE_ "$config_files" $HAVE_LIST
6000 print_config CONFIG_ "$config_files" $CONFIG_LIST \
6004 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
6005 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
6007 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
6008 cp_if_changed $TMPH config.h
6011 enabled yasm && cp_if_changed $TMPASM config.asm
6014 /* Generated by ffconf */
6015 #ifndef AVUTIL_AVCONFIG_H
6016 #define AVUTIL_AVCONFIG_H
6019 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
6021 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
6023 cp_if_changed $TMPH libavutil/avconfig.h
6025 if test -n "$WARNINGS"; then
6026 printf "\n$WARNINGS"
6027 enabled fatal_warnings && exit 1
6030 # build pkg-config files
6033 eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""
6036 pkgconfig_generate(){
6038 shortname=${name#lib}${build_suffix}
6042 requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))
6043 requires=${requires%, }
6044 enabled ${name#lib} || return 0
6046 cat <<EOF > $name/$name${build_suffix}.pc
6048 exec_prefix=\${prefix}
6053 Description: $comment
6055 Requires: $(enabled shared || echo $requires)
6056 Requires.private: $(enabled shared && echo $requires)
6058 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
6059 Libs.private: $(enabled shared && echo $libs)
6060 Cflags: -I\${includedir}
6063 mkdir -p doc/examples/pc-uninstalled
6064 includedir=${source_path}
6065 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
6066 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
6069 libdir=\${pcfiledir}/../../../$name
6070 includedir=${includedir}
6073 Description: $comment
6077 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
6078 Cflags: -I\${includedir}
6082 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBRT $LIBM"
6083 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs"
6084 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs"
6085 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs"
6086 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
6087 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" ""
6088 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$LIBM"
6089 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM"
6090 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM"