3 # FFmpeg configure script
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
10 # Prevent locale nonsense from breaking basic text processing.
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
23 (: ${foo%%bar}) 2> /dev/null
26 (: ${foo?}) 2> /dev/null
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
32 if test "0$FF_CONF_EXEC" -lt 1; then
34 try_exec bash "$0" "$@"
36 if test "0$FF_CONF_EXEC" -lt 2; then
38 try_exec ksh "$0" "$@"
40 if test "0$FF_CONF_EXEC" -lt 3; then
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --fatal-warnings fail if any configure warning is generated
82 --prefix=PREFIX install in PREFIX [$prefix]
83 --bindir=DIR install binaries in DIR [PREFIX/bin]
84 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
85 --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg]
86 --libdir=DIR install libs in DIR [PREFIX/lib]
87 --shlibdir=DIR install shared libs in DIR [LIBDIR]
88 --incdir=DIR install includes in DIR [PREFIX/include]
89 --mandir=DIR install man page in DIR [PREFIX/share/man]
90 --enable-rpath use rpath to allow installing libraries in paths
91 not part of the dynamic linker search path
92 use rpath when linking programs [USE WITH CARE]
95 --enable-gpl allow use of GPL code, the resulting libs
96 and binaries will be under GPL [no]
97 --enable-version3 upgrade (L)GPL to version 3 [no]
98 --enable-nonfree allow use of nonfree code, the resulting libs
99 and binaries will be unredistributable [no]
101 Configuration options:
102 --disable-static do not build static libraries [no]
103 --enable-shared build shared libraries [no]
104 --enable-small optimize for size instead of speed
105 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
106 --enable-gray enable full grayscale support (slower color)
107 --disable-swscale-alpha disable alpha channel support in swscale
108 --disable-all disable building components, libraries and programs
109 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
110 --enable-raise-major increase major version numbers in sonames [no]
113 --disable-programs do not build command line programs
114 --disable-ffmpeg disable ffmpeg build
115 --disable-ffplay disable ffplay build
116 --disable-ffprobe disable ffprobe build
117 --disable-ffserver disable ffserver build
119 Documentation options:
120 --disable-doc do not build documentation
121 --disable-htmlpages do not build HTML documentation pages
122 --disable-manpages do not build man documentation pages
123 --disable-podpages do not build POD documentation pages
124 --disable-txtpages do not build text documentation pages
127 --disable-avdevice disable libavdevice build
128 --disable-avcodec disable libavcodec build
129 --disable-avformat disable libavformat build
130 --disable-avutil disable libavutil build
131 --disable-swresample disable libswresample build
132 --disable-swscale disable libswscale build
133 --disable-postproc disable libpostproc build
134 --disable-avfilter disable libavfilter build
135 --enable-avresample enable libavresample build [no]
136 --disable-pthreads disable pthreads [autodetect]
137 --disable-w32threads disable Win32 threads [autodetect]
138 --disable-os2threads disable OS/2 threads [autodetect]
139 --disable-network disable network support [no]
140 --disable-dct disable DCT code
141 --disable-dwt disable DWT code
142 --disable-error-resilience disable error resilience code
143 --disable-lsp disable LSP code
144 --disable-lzo disable LZO decoder code
145 --disable-mdct disable MDCT code
146 --disable-rdft disable RDFT code
147 --disable-fft disable FFT code
148 --disable-faan disable floating point AAN (I)DCT code
149 --disable-pixelutils disable pixel utils in libavutil
151 Hardware accelerators:
152 --disable-dxva2 disable DXVA2 code [autodetect]
153 --disable-vaapi disable VAAPI code [autodetect]
154 --disable-vda disable VDA code [autodetect]
155 --disable-vdpau disable VDPAU code [autodetect]
157 Individual component options:
158 --disable-everything disable all components listed below
159 --disable-encoder=NAME disable encoder NAME
160 --enable-encoder=NAME enable encoder NAME
161 --disable-encoders disable all encoders
162 --disable-decoder=NAME disable decoder NAME
163 --enable-decoder=NAME enable decoder NAME
164 --disable-decoders disable all decoders
165 --disable-hwaccel=NAME disable hwaccel NAME
166 --enable-hwaccel=NAME enable hwaccel NAME
167 --disable-hwaccels disable all hwaccels
168 --disable-muxer=NAME disable muxer NAME
169 --enable-muxer=NAME enable muxer NAME
170 --disable-muxers disable all muxers
171 --disable-demuxer=NAME disable demuxer NAME
172 --enable-demuxer=NAME enable demuxer NAME
173 --disable-demuxers disable all demuxers
174 --enable-parser=NAME enable parser NAME
175 --disable-parser=NAME disable parser NAME
176 --disable-parsers disable all parsers
177 --enable-bsf=NAME enable bitstream filter NAME
178 --disable-bsf=NAME disable bitstream filter NAME
179 --disable-bsfs disable all bitstream filters
180 --enable-protocol=NAME enable protocol NAME
181 --disable-protocol=NAME disable protocol NAME
182 --disable-protocols disable all protocols
183 --enable-indev=NAME enable input device NAME
184 --disable-indev=NAME disable input device NAME
185 --disable-indevs disable input devices
186 --enable-outdev=NAME enable output device NAME
187 --disable-outdev=NAME disable output device NAME
188 --disable-outdevs disable output devices
189 --disable-devices disable all devices
190 --enable-filter=NAME enable filter NAME
191 --disable-filter=NAME disable filter NAME
192 --disable-filters disable all filters
194 External library support:
195 --enable-avisynth enable reading of AviSynth script files [no]
196 --disable-bzlib disable bzlib [autodetect]
197 --enable-fontconfig enable fontconfig, useful for drawtext filter [no]
198 --enable-frei0r enable frei0r video filtering [no]
199 --enable-gnutls enable gnutls, needed for https support
200 if openssl is not used [no]
201 --disable-iconv disable iconv [autodetect]
202 --enable-ladspa enable LADSPA audio filtering [no]
203 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
204 --enable-libass enable libass subtitles rendering,
205 needed for subtitles and ass filter [no]
206 --enable-libbluray enable BluRay reading using libbluray [no]
207 --enable-libbs2b enable bs2b DSP library [no]
208 --enable-libcaca enable textual display using libcaca [no]
209 --enable-libcelt enable CELT decoding via libcelt [no]
210 --enable-libcdio enable audio CD grabbing with libcdio [no]
211 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
213 --enable-libdcadec enable DCA decoding via libdcadec [no]
214 --enable-libfaac enable AAC encoding via libfaac [no]
215 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
216 --enable-libflite enable flite (voice synthesis) support via libflite [no]
217 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
218 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
219 --enable-libgme enable Game Music Emu via libgme [no]
220 --enable-libgsm enable GSM de/encoding via libgsm [no]
221 --enable-libiec61883 enable iec61883 via libiec61883 [no]
222 --enable-libilbc enable iLBC de/encoding via libilbc [no]
223 --enable-libmfx enable HW acceleration through libmfx
224 --enable-libmodplug enable ModPlug via libmodplug [no]
225 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
226 --enable-libnut enable NUT (de)muxing via libnut,
227 native (de)muxer exists [no]
228 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
229 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
230 --enable-libopencv enable video filtering via libopencv [no]
231 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
232 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
233 --enable-libopus enable Opus de/encoding via libopus [no]
234 --enable-libpulse enable Pulseaudio input via libpulse [no]
235 --enable-libquvi enable quvi input via libquvi [no]
236 --enable-librtmp enable RTMP[E] support via librtmp [no]
237 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
238 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
239 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
240 --enable-libsoxr enable Include libsoxr resampling [no]
241 --enable-libspeex enable Speex de/encoding via libspeex [no]
242 --enable-libssh enable SFTP protocol via libssh [no]
243 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
244 --enable-libtheora enable Theora encoding via libtheora [no]
245 --enable-libtwolame enable MP2 encoding via libtwolame [no]
246 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
247 --enable-libv4l2 enable libv4l2/v4l-utils [no]
248 --enable-libvidstab enable video stabilization using vid.stab [no]
249 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
250 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
251 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
252 native implementation exists [no]
253 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
254 --enable-libwavpack enable wavpack encoding via libwavpack [no]
255 --enable-libwebp enable WebP encoding via libwebp [no]
256 --enable-libx264 enable H.264 encoding via x264 [no]
257 --enable-libx265 enable HEVC encoding via x265 [no]
258 --enable-libxavs enable AVS encoding via xavs [no]
259 --enable-libxcb enable X11 grabbing using XCB [autodetect]
260 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
261 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
262 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
263 --enable-libxvid enable Xvid encoding via xvidcore,
264 native MPEG-4/Xvid encoder exists [no]
265 --enable-libzmq enable message passing via libzmq [no]
266 --enable-libzvbi enable teletext support via libzvbi [no]
267 --disable-lzma disable lzma [autodetect]
268 --enable-decklink enable Blackmagick DeckLink I/O support [no]
269 --enable-mmal enable decoding via MMAL [no]
270 --enable-nvenc enable NVIDIA NVENC support [no]
271 --enable-openal enable OpenAL 1.1 capture support [no]
272 --enable-opencl enable OpenCL code
273 --enable-opengl enable OpenGL rendering [no]
274 --enable-openssl enable openssl, needed for https support
275 if gnutls is not used [no]
276 --disable-sdl disable sdl [autodetect]
277 --enable-x11grab enable X11 grabbing (legacy) [no]
278 --disable-xlib disable xlib [autodetect]
279 --disable-zlib disable zlib [autodetect]
282 --arch=ARCH select architecture [$arch]
283 --cpu=CPU select the minimum required CPU (affects
284 instruction selection, may crash on older CPUs)
285 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
286 --progs-suffix=SUFFIX program name suffix []
287 --enable-cross-compile assume a cross-compiler is used
288 --sysroot=PATH root of cross-build tree
289 --sysinclude=PATH location of cross-build system headers
290 --target-os=OS compiler targets OS [$target_os]
291 --target-exec=CMD command to run executables on target
292 --target-path=DIR path to view of build directory on target
293 --target-samples=DIR path to samples directory on target
294 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
295 --toolchain=NAME set tool defaults according to NAME
296 --nm=NM use nm tool NM [$nm_default]
297 --ar=AR use archive tool AR [$ar_default]
298 --as=AS use assembler AS [$as_default]
299 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
300 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
301 --cc=CC use C compiler CC [$cc_default]
302 --cxx=CXX use C compiler CXX [$cxx_default]
303 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
304 --ld=LD use linker LD [$ld_default]
305 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
306 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
307 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
308 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
309 --host-cc=HOSTCC use host C compiler HOSTCC
310 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
311 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
312 --host-ld=HOSTLD use host linker HOSTLD
313 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
314 --host-libs=HLIBS use libs HLIBS when linking for host
315 --host-os=OS compiler host OS [$target_os]
316 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
317 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
318 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
319 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
320 --extra-libs=ELIBS add ELIBS [$ELIBS]
321 --extra-version=STRING version string suffix []
322 --optflags=OPTFLAGS override optimization-related compiler flags
323 --build-suffix=SUFFIX library name suffix []
324 --enable-pic build position-independent code
325 --enable-thumb compile for Thumb instruction set
326 --enable-lto use link-time optimization
328 Advanced options (experts only):
329 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
330 --disable-symver disable symbol versioning
331 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
332 --disable-safe-bitstream-reader
333 disable buffer boundary checking in bitreaders
334 (faster, but may crash)
335 --enable-memalign-hack emulate memalign, interferes with memory debuggers
336 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
338 Optimization options (experts only):
339 --disable-asm disable all assembly optimizations
340 --disable-altivec disable AltiVec optimizations
341 --disable-amd3dnow disable 3DNow! optimizations
342 --disable-amd3dnowext disable 3DNow! extended optimizations
343 --disable-mmx disable MMX optimizations
344 --disable-mmxext disable MMXEXT optimizations
345 --disable-sse disable SSE optimizations
346 --disable-sse2 disable SSE2 optimizations
347 --disable-sse3 disable SSE3 optimizations
348 --disable-ssse3 disable SSSE3 optimizations
349 --disable-sse4 disable SSE4 optimizations
350 --disable-sse42 disable SSE4.2 optimizations
351 --disable-avx disable AVX optimizations
352 --disable-xop disable XOP optimizations
353 --disable-fma3 disable FMA3 optimizations
354 --disable-fma4 disable FMA4 optimizations
355 --disable-avx2 disable AVX2 optimizations
356 --disable-armv5te disable armv5te optimizations
357 --disable-armv6 disable armv6 optimizations
358 --disable-armv6t2 disable armv6t2 optimizations
359 --disable-vfp disable VFP optimizations
360 --disable-neon disable NEON optimizations
361 --disable-inline-asm disable use of inline assembly
362 --disable-yasm disable use of nasm/yasm assembly
363 --disable-mips32r5 disable MIPS32R5 optimizations
364 --disable-mips64r6 disable MIPS64R6 optimizations
365 --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations
366 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
367 --disable-msa disable MSA optimizations
368 --disable-mipsfpu disable floating point MIPS optimizations
369 --disable-loongson3 disable Loongson-3 SIMD optimizations
370 --disable-fast-unaligned consider unaligned accesses slow
372 Developer options (useful when working on FFmpeg itself):
373 --disable-debug disable debugging symbols
374 --enable-debug=LEVEL set the debug level [$debuglevel]
375 --disable-optimizations disable compiler optimizations
376 --enable-extra-warnings enable more compiler warnings
377 --disable-stripping disable stripping of executables and shared libraries
378 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
379 2 causes a slowdown at runtime.
380 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
381 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
382 leaks and errors, using the specified valgrind binary.
383 Cannot be combined with --target-exec
384 --enable-ftrapv Trap arithmetic overflows
385 --samples=PATH location of test samples for FATE, if not set use
386 \$FATE_SAMPLES at make invocation time.
387 --enable-neon-clobber-test check NEON registers for clobbering (should be
388 used only for debugging purposes)
389 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
390 should be used only for debugging purposes)
391 --enable-random randomly enable/disable components
393 --enable-random=LIST randomly enable/disable specific components or
394 --disable-random=LIST component groups. LIST is a comma-separated list
395 of NAME[:PROB] entries where NAME is a component
396 (group) and PROB the probability associated with
398 --random-seed=VALUE seed value for --enable/disable-random
399 --disable-valgrind-backtrace do not print a backtrace under Valgrind
400 (only applies to --disable-optimizations builds)
402 NOTE: Object files are built at the place where configure is launched.
410 echo "$@" >> $logfile
415 pr -n -t $1 >> $logfile
426 WARNINGS="${WARNINGS}WARNING: $*\n"
433 If you think configure made a mistake, make sure you are using the latest
434 version from Git. If the latest version fails, report the problem to the
435 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
437 if disabled logging; then
439 Rerun configure with logging enabled (do not use --disable-logging), and
440 include the log this produces with your report.
444 Include the log file "$logfile" produced by configure as this will help
451 # Avoid locale weirdness, besides we really just want to translate ASCII.
453 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
457 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
461 echo "$*" | sed 's/["\\]/\\\0/g'
465 v=$(echo "$1" | sed "s/'/'\\\\''/g")
466 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
471 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\\r//g'
478 eval "case $v in $pat) echo $v ;; esac"
486 eval "case $v in $pat) ;; *) echo $v ;; esac"
493 for v; do eval $m; done
499 for v; do echo ${v}${suffix}; done
514 eval : \${$var:=$value}
519 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
525 eval $(sanitize_var_name "$var")='$*'
529 eval echo \$$(sanitize_var_name "$1")
534 eval level=\${${pvar}_level:=0}
535 eval ${pvar}_${level}="\$$pvar"
536 eval ${pvar}_level=$(($level+1))
542 eval level=\${${pvar}_level:-0}
543 test $level = 0 && continue
544 eval level=$(($level-1))
545 eval $pvar="\${${pvar}_${level}}"
546 eval ${pvar}_level=$level
547 eval unset ${pvar}_${level}
569 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
575 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
581 enabled $var && continue
582 eval sel="\$${var}_select"
583 eval sgs="\$${var}_suggest"
587 enable_deep_weak $sgs
599 disabled $var && continue
608 test "${1#!}" = "$1" && op== || op=!=
609 eval test "x\$${1#!}" $op "xyes"
613 test "${1#!}" = "$1" && op== || op=!=
614 eval test "x\$${1#!}" $op "xno"
619 enabled $opt || return 1
625 disabled $opt || return 1
631 enabled $opt && return 0
637 disabled $opt && return 0
644 eval : \${$opt:=\$${opt}_default}
652 [ $var = $value ] && return 0
660 enabled ${cfg}_checking && die "Circular dependency for $cfg."
661 disabled ${cfg}_checking && continue
662 enable ${cfg}_checking
665 eval dep_all="\$${cfg}_deps"
666 eval dep_any="\$${cfg}_deps_any"
667 eval dep_sel="\$${cfg}_select"
668 eval dep_sgs="\$${cfg}_suggest"
669 eval dep_ifa="\$${cfg}_if"
670 eval dep_ifn="\$${cfg}_if_any"
672 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
673 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
674 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
676 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
677 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
678 enabled_all $dep_all || disable $cfg
679 enabled_any $dep_any || disable $cfg
680 disabled_any $dep_sel && disable $cfg
682 if enabled $cfg; then
684 enable_deep_weak $dep_sgs
687 disable ${cfg}_checking
696 for cfg in $allopts; do
697 enabled $cfg || continue
698 eval dep_extralibs="\$${cfg}_extralibs"
699 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
707 map 'eval echo "$v \${$v:-no}"' "$@" |
708 awk "BEGIN { split(\"$files\", files) }
710 c = \"$pfx\" toupper(\$1);
716 if (file ~ /\\.h\$/) {
717 printf(\"#define %s %d\\n\", c, v) >>file;
718 } else if (file ~ /\\.asm\$/) {
719 printf(\"%%define %s %d\\n\", c, v) >>file;
720 } else if (file ~ /\\.mak\$/) {
721 n = -v ? \"\" : \"!\";
722 printf(\"%s%s=yes\\n\", n, c) >>file;
723 } else if (file ~ /\\.texi\$/) {
724 pre = -v ? \"\" : \"@c \";
727 gsub(/_/, \"-\", c2);
728 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
738 enabled $v && printf "%s\n" ${v%$suf};
745 eval "$var=\"\$$var $*\""
751 eval "$var=\"$* \$$var\""
757 for tok in $(eval echo \$$var); do
758 uniq_list="$(filter_out $tok $uniq_list) $tok"
760 eval "$var=\"${uniq_list}\""
768 append CFLAGS $($cflags_filter "$@")
772 append CXXFLAGS $($cflags_filter "$@")
776 append ASFLAGS $($asflags_filter "$@")
780 append LDFLAGS $($ldflags_filter "$@")
784 append LDEXEFLAGS $($ldflags_filter "$@")
788 append ASMSTRIPFLAGS "$@"
792 prepend extralibs $($ldflags_filter "$@")
796 append host_cppflags "$@"
800 append host_cflags $($host_cflags_filter "$@")
804 append host_ldflags $($host_ldflags_filter "$@")
808 append compat_objs $1
810 map 'add_cppflags -D$v' "$@"
815 "$@" >> $logfile 2>&1
820 stat "$1" >> $logfile 2>&1
824 eval printf '%s\\n' $CC_O
828 eval printf '%s\\n' $CC_E
835 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
842 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
849 check_cmd $cc -Werror=missing-prototypes $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPM
856 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
860 eval printf '%s\\n' $AS_O
867 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
871 log check_inline_asm "$@"
876 check_cc "$@" <<EOF && enable $name
877 void foo(void){ __asm__ volatile($code); }
883 check_inline_asm ${1}_inline "\"$2\""
884 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
892 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
896 eval printf '%s\\n' $LD_O
903 flags=$(filter_out '-l*|*.so' $@)
904 libs=$(filter '-l*|*.so' $@)
905 check_$type $($cflags_filter $flags) || return
906 flags=$($ldflags_filter $flags)
907 libs=$($ldflags_filter $libs)
908 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
913 test "${hdr%.h}" = "${hdr}" &&
914 echo "#include $hdr" ||
915 echo "#include <$hdr>"
925 for hdr in $headers; do
928 echo "int main(void) { $code; return 0; }"
929 } | check_$check "$@"
933 log check_cppflags "$@"
934 check_cc "$@" <<EOF && append CPPFLAGS "$@"
941 set -- $($cflags_filter "$@")
948 log check_cflags "$@"
949 test_cflags "$@" && add_cflags "$@"
953 log check_cxxflags "$@"
954 set -- $($cflags_filter "$@")
955 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
961 log test_ldflags "$@"
962 check_ld "cc" "$@" <<EOF
963 int main(void){ return 0; }
968 log check_ldflags "$@"
969 test_ldflags "$@" && add_ldflags "$@"
973 log test_stripflags "$@"
974 # call check_cc to get a fresh TMPO
976 int main(void) { return 0; }
978 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
982 log check_stripflags "$@"
983 test_stripflags "$@" && add_stripflags "$@"
987 log check_header "$@"
991 check_cpp "$@" <<EOF && enable_safe $header
998 log check_header_oc "$@"
1002 disable_safe $header
1004 echo "#include <$header>"
1005 echo "int main(void) { return 0; }"
1006 } | check_oc && check_stat "$TMPO" && enable_safe $headers
1014 check_ld "cc" "$@" <<EOF && enable $func
1016 int main(void){ $func(); }
1021 log check_mathfunc "$@"
1025 test $narg = 2 && args="f, g" || args="f"
1027 check_ld "cc" "$@" <<EOF && enable $func
1029 float foo(float f, float g) { return $func($args); }
1030 int main(void){ return (int) foo; }
1034 check_func_headers(){
1035 log check_func_headers "$@"
1040 for hdr in $headers; do
1043 for func in $funcs; do
1044 echo "long check_$func(void) { return (long) $func; }"
1046 echo "int main(void) { return 0; }"
1047 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1050 check_class_headers_cpp(){
1051 log check_class_headers_cpp "$@"
1056 for hdr in $headers; do
1057 echo "#include <$hdr>"
1059 echo "int main(void) { "
1061 for class in $classes; do
1062 echo "$class obj$i;"
1066 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1069 check_cpp_condition(){
1070 log check_cpp_condition "$@"
1074 check_cpp "$@" <<EOF
1077 #error "unsatisfied condition: $condition"
1087 check_header $header && check_func $func "$@" && add_extralibs "$@"
1095 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1099 log check_lib_cpp "$@"
1103 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1107 log check_pkg_config "$@"
1113 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1114 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1115 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1116 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1117 set_safe ${pkg}_cflags $pkg_cflags &&
1118 set_safe ${pkg}_libs $pkg_libs
1122 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1128 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1129 # are safe but may not be available everywhere. Thus we use
1130 # raise(SIGTERM) instead. The check is run in a subshell so we
1131 # can redirect the "Terminated" message from the shell. SIGBUS
1132 # is not defined by standard C so it is used conditionally.
1134 (check_exec "$@") >> $logfile 2>&1 <<EOF
1136 static void sighandler(int sig){
1142 int (*func_ptr)(void) = foo;
1144 signal(SIGILL, sighandler);
1145 signal(SIGFPE, sighandler);
1146 signal(SIGSEGV, sighandler);
1148 signal(SIGBUS, sighandler);
1160 disable_safe "$type"
1161 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1165 log check_struct "$@"
1170 disable_safe "${struct}_${member}"
1171 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1172 enable_safe "${struct}_${member}"
1176 log check_builtin "$@"
1182 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1185 check_compile_assert(){
1186 log check_compile_assert "$@"
1192 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1200 check_lib $header $func "$@" || die "ERROR: $name not found"
1208 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1216 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1221 check_pkg_config "$@" || return 1
1222 add_cflags $(get_safe ${pkg}_cflags)
1223 add_extralibs $(get_safe ${pkg}_libs)
1226 require_pkg_config(){
1227 use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"
1230 require_libfreetype(){
1231 log require_libfreetype "$@"
1233 check_cmd $pkg_config --exists --print-errors $pkg \
1234 || die "ERROR: $pkg not found"
1235 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1236 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1238 echo "#include <ft2build.h>"
1239 echo "#include FT_FREETYPE_H"
1240 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1241 echo "int main(void) { return 0; }"
1242 } | check_ld "cc" $pkg_cflags $pkg_libs \
1243 && set_safe ${pkg}_cflags $pkg_cflags \
1244 && set_safe ${pkg}_libs $pkg_libs \
1245 || die "ERROR: $pkg not found"
1246 add_cflags $(get_safe ${pkg}_cflags)
1247 add_extralibs $(get_safe ${pkg}_libs)
1251 eval printf '%s\\n' $HOSTCC_E
1255 eval printf '%s\\n' $HOSTCC_O
1259 log check_host_cc "$@"
1262 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1266 log check_host_cpp "$@"
1269 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1272 check_host_cppflags(){
1273 log check_host_cppflags "$@"
1274 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1279 check_host_cflags(){
1280 log check_host_cflags "$@"
1281 set -- $($host_cflags_filter "$@")
1282 check_host_cc "$@" <<EOF && append host_cflags "$@"
1287 check_host_cpp_condition(){
1288 log check_host_cpp_condition "$@"
1292 check_host_cpp "$@" <<EOF
1295 #error "unsatisfied condition: $condition"
1303 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1307 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1308 mkdir -p "$(dirname $2)"
1312 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1313 # system-dependent things.
1330 avio_reading_example
1331 avio_list_dir_example
1332 decoding_encoding_example
1333 demuxing_decoding_example
1335 filter_audio_example
1336 filtering_audio_example
1337 filtering_video_example
1342 resampling_audio_example
1343 scaling_video_example
1344 transcode_aac_example
1348 EXTERNAL_LIBRARY_LIST="
1443 safe_bitstream_reader
1502 $EXTERNAL_LIBRARY_LIST
1510 incompatible_libav_abi
1572 ARCH_EXT_LIST_MIPS="
1582 ARCH_EXT_LIST_LOONGSON="
1586 ARCH_EXT_LIST_X86_SIMD="
1613 $ARCH_EXT_LIST_X86_SIMD
1623 $ARCH_EXT_LIST_LOONGSON
1639 atomic_compare_exchange
1645 sync_val_compare_and_swap
1656 incompatible_libav_abi
1665 cdio_paranoia_paranoia_h
1666 dev_bktr_ioctl_bt848_h
1667 dev_bktr_ioctl_meteor_h
1669 dev_video_bktr_ioctl_bt848_h
1670 dev_video_meteor_ioctl_meteor_h
1678 machine_ioctl_bt848_h
1679 machine_ioctl_meteor_h
1681 openjpeg_1_5_openjpeg_h
1749 GetProcessAffinityMask
1750 GetProcessMemoryInfo
1754 GetSystemTimeAsFileTime
1761 jack_port_get_latency_range
1776 SetConsoleTextAttribute
1788 TOOLCHAIN_FEATURES="
1801 inline_asm_nonlocal_labels
1802 inline_asm_direct_symbol_refs
1813 CONDITION_VARIABLE_Ptr
1817 struct_group_source_req
1818 struct_ip_mreq_source
1821 struct_rusage_ru_maxrss
1822 struct_sctp_event_subscribe
1824 struct_sockaddr_sa_len
1825 struct_sockaddr_storage
1826 struct_stat_st_mtim_tv_nsec
1827 struct_v4l2_frmivalenum_discrete
1832 $(add_suffix _external $ARCH_EXT_LIST)
1833 $(add_suffix _inline $ARCH_EXT_LIST)
1866 # options emitted with CONFIG_ prefix but not available on the command line
1881 frame_thread_encoder
2008 # code dependency declarations
2010 # architecture extensions
2015 armv8_deps="aarch64"
2016 neon_deps_any="aarch64 arm"
2017 intrinsics_neon_deps="neon"
2018 vfp_deps_any="aarch64 arm"
2022 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2025 mipsdspr1_deps="mips"
2026 mipsdspr2_deps="mips"
2027 mips32r2_deps="mips"
2028 mips32r5_deps="mips"
2029 mips64r6_deps="mips"
2031 loongson3_deps="mips"
2040 x86_64_select="i686"
2041 x86_64_suggest="fast_cmov"
2044 amd3dnowext_deps="amd3dnow"
2060 mmx_external_deps="yasm"
2061 mmx_inline_deps="inline_asm"
2062 mmx_suggest="mmx_external mmx_inline"
2064 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2065 eval dep=\$${ext}_deps
2066 eval ${ext}_external_deps='"${dep}_external"'
2067 eval ${ext}_inline_deps='"${dep}_inline"'
2068 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2071 aligned_stack_if_any="aarch64 ppc x86"
2072 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2073 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2074 fast_unaligned_if_any="aarch64 ppc x86"
2075 simd_align_16_if_any="altivec neon sse"
2077 # system capabilities
2078 symver_if_any="symver_asm_label symver_gnu_asm"
2079 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
2082 atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"
2083 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2084 atomics_win32_if="MemoryBarrier"
2085 atomics_native_if_any="$ATOMICS_LIST"
2086 w32threads_deps="atomics_native"
2087 threads_if_any="$THREADS_LIST"
2091 error_resilience_select="me_cmp"
2092 faandct_deps="faan fdctdsp"
2093 faanidct_deps="faan idctdsp"
2094 frame_thread_encoder_deps="encoders threads"
2095 intrax8_select="error_resilience"
2098 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2099 mpeg_er_select="error_resilience"
2100 mpegaudio_select="mpegaudiodsp"
2101 mpegaudiodsp_select="dct"
2102 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp videodsp"
2103 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2107 # decoders / encoders
2108 aac_decoder_select="imdct15 mdct sinewin"
2109 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
2110 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2111 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2112 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2113 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2114 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2115 aic_decoder_select="golomb idctdsp"
2116 alac_encoder_select="lpc"
2117 als_decoder_select="bswapdsp"
2118 amrnb_decoder_select="lsp"
2119 amrwb_decoder_select="lsp"
2120 amv_decoder_select="sp5x_decoder exif"
2121 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2122 ape_decoder_select="bswapdsp llauddsp"
2123 apng_decoder_select="zlib"
2124 apng_encoder_select="huffyuvencdsp zlib"
2125 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2126 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2127 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2128 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2129 atrac1_decoder_select="mdct sinewin"
2130 atrac3_decoder_select="mdct"
2131 atrac3p_decoder_select="mdct sinewin"
2132 avrn_decoder_select="exif jpegtables"
2133 bink_decoder_select="blockdsp hpeldsp"
2134 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2135 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2136 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2137 cllc_decoder_select="bswapdsp"
2138 comfortnoise_encoder_select="lpc"
2139 cook_decoder_select="audiodsp mdct sinewin"
2140 cscd_decoder_select="lzo"
2141 cscd_decoder_suggest="zlib"
2142 dca_decoder_select="fmtconvert mdct"
2143 dirac_decoder_select="dwt golomb videodsp mpegvideoenc"
2144 dnxhd_decoder_select="blockdsp idctdsp"
2145 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2146 dvvideo_decoder_select="dvprofile idctdsp"
2147 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2148 dxa_decoder_select="zlib"
2149 eac3_decoder_select="ac3_decoder"
2150 eac3_encoder_select="ac3_encoder"
2151 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2152 eatgq_decoder_select="aandcttables"
2153 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
2154 exr_decoder_select="zlib"
2155 ffv1_decoder_select="golomb rangecoder"
2156 ffv1_encoder_select="rangecoder"
2157 ffvhuff_decoder_select="huffyuv_decoder"
2158 ffvhuff_encoder_select="huffyuv_encoder"
2159 fic_decoder_select="golomb"
2160 flac_decoder_select="golomb"
2161 flac_encoder_select="bswapdsp golomb lpc"
2162 flashsv_decoder_select="zlib"
2163 flashsv_encoder_select="zlib"
2164 flashsv2_encoder_select="zlib"
2165 flashsv2_decoder_select="zlib"
2166 flv_decoder_select="h263_decoder"
2167 flv_encoder_select="h263_encoder"
2168 fourxm_decoder_select="blockdsp bswapdsp"
2169 fraps_decoder_select="bswapdsp huffman"
2170 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2171 g729_decoder_select="audiodsp"
2172 h261_decoder_select="mpeg_er mpegvideo"
2173 h261_encoder_select="aandcttables mpegvideoenc"
2174 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
2175 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2176 h263i_decoder_select="h263_decoder"
2177 h263p_decoder_select="h263_decoder"
2178 h263p_encoder_select="h263_encoder"
2179 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
2180 h264_decoder_suggest="error_resilience"
2181 h264_qsv_decoder_deps="libmfx"
2182 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2183 h264_qsv_encoder_deps="libmfx"
2184 h264_qsv_encoder_select="qsvenc"
2185 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2186 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2187 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
2188 iac_decoder_select="imc_decoder"
2189 imc_decoder_select="bswapdsp fft mdct sinewin"
2190 indeo3_decoder_select="hpeldsp"
2191 interplay_video_decoder_select="hpeldsp"
2192 jpegls_decoder_select="golomb mjpeg_decoder"
2193 jpegls_encoder_select="golomb"
2194 jv_decoder_select="blockdsp"
2195 lagarith_decoder_select="huffyuvdsp"
2196 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2197 loco_decoder_select="golomb"
2198 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2199 metasound_decoder_select="lsp mdct sinewin"
2200 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2201 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2202 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2203 mjpegb_decoder_select="mjpeg_decoder"
2204 mlp_decoder_select="mlp_parser"
2205 motionpixels_decoder_select="bswapdsp"
2206 mp1_decoder_select="mpegaudio"
2207 mp1float_decoder_select="mpegaudio"
2208 mp2_decoder_select="mpegaudio"
2209 mp2float_decoder_select="mpegaudio"
2210 mp3_decoder_select="mpegaudio"
2211 mp3adu_decoder_select="mpegaudio"
2212 mp3adufloat_decoder_select="mpegaudio"
2213 mp3float_decoder_select="mpegaudio"
2214 mp3on4_decoder_select="mpegaudio"
2215 mp3on4float_decoder_select="mpegaudio"
2216 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2217 mpc8_decoder_select="mpegaudiodsp"
2218 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2219 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2220 mpegvideo_decoder_select="error_resilience mpeg_er mpegvideo"
2221 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2222 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2223 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2224 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2225 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2226 mpeg4_encoder_select="h263_encoder"
2227 msmpeg4v1_decoder_select="h263_decoder"
2228 msmpeg4v2_decoder_select="h263_decoder"
2229 msmpeg4v2_encoder_select="h263_encoder"
2230 msmpeg4v3_decoder_select="h263_decoder"
2231 msmpeg4v3_encoder_select="h263_encoder"
2232 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
2233 mxpeg_decoder_select="mjpeg_decoder"
2234 nellymoser_decoder_select="mdct sinewin"
2235 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2236 nuv_decoder_select="idctdsp lzo"
2237 on2avc_decoder_select="mdct"
2238 opus_decoder_deps="swresample"
2239 opus_decoder_select="imdct15"
2240 png_decoder_select="zlib"
2241 png_encoder_select="huffyuvencdsp zlib"
2242 prores_decoder_select="blockdsp idctdsp"
2243 prores_encoder_select="fdctdsp"
2244 qcelp_decoder_select="lsp"
2245 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2246 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2247 ra_144_decoder_select="audiodsp"
2248 ralf_decoder_select="golomb"
2249 rawvideo_decoder_select="bswapdsp"
2250 rtjpeg_decoder_select="me_cmp"
2251 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2252 rv10_encoder_select="h263_encoder"
2253 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2254 rv20_encoder_select="h263_encoder"
2255 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
2256 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
2257 shorten_decoder_select="golomb"
2258 sipr_decoder_select="lsp"
2259 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2260 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2261 sonic_decoder_select="golomb rangecoder"
2262 sonic_encoder_select="golomb rangecoder"
2263 sonic_ls_encoder_select="golomb rangecoder"
2264 sp5x_decoder_select="mjpeg_decoder"
2265 svq1_decoder_select="hpeldsp"
2266 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2267 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2268 svq3_decoder_suggest="zlib"
2269 tak_decoder_select="audiodsp"
2270 tdsc_decoder_select="zlib mjpeg_decoder"
2271 theora_decoder_select="vp3_decoder"
2272 thp_decoder_select="mjpeg_decoder"
2273 tiff_decoder_suggest="zlib lzma"
2274 tiff_encoder_suggest="zlib"
2275 truehd_decoder_select="mlp_parser"
2276 truemotion2_decoder_select="bswapdsp"
2277 truespeech_decoder_select="bswapdsp"
2278 tscc_decoder_select="zlib"
2279 twinvq_decoder_select="mdct lsp sinewin"
2280 utvideo_decoder_select="bswapdsp"
2281 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2282 vble_decoder_select="huffyuvdsp"
2283 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
2284 vc1image_decoder_select="vc1_decoder"
2285 vorbis_decoder_select="mdct"
2286 vorbis_encoder_select="mdct"
2287 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2288 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
2289 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
2290 vp6a_decoder_select="vp6_decoder"
2291 vp6f_decoder_select="vp6_decoder"
2292 vp7_decoder_select="h264pred videodsp"
2293 vp8_decoder_select="h264pred videodsp"
2294 vp9_decoder_select="videodsp vp9_parser"
2295 webp_decoder_select="vp8_decoder"
2296 wmalossless_decoder_select="llauddsp"
2297 wmapro_decoder_select="mdct sinewin wma_freqs"
2298 wmav1_decoder_select="mdct sinewin wma_freqs"
2299 wmav1_encoder_select="mdct sinewin wma_freqs"
2300 wmav2_decoder_select="mdct sinewin wma_freqs"
2301 wmav2_encoder_select="mdct sinewin wma_freqs"
2302 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2303 wmv1_decoder_select="h263_decoder"
2304 wmv1_encoder_select="h263_encoder"
2305 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"
2306 wmv2_encoder_select="h263_encoder"
2307 wmv3_decoder_select="vc1_decoder"
2308 wmv3image_decoder_select="wmv3_decoder"
2309 zerocodec_decoder_select="zlib"
2310 zlib_decoder_select="zlib"
2311 zlib_encoder_select="zlib"
2312 zmbv_decoder_select="zlib"
2313 zmbv_encoder_select="zlib"
2315 # hardware accelerators
2316 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2317 dxva2_deps="dxva2api_h"
2318 vaapi_deps="va_va_h"
2319 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2320 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2321 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2322 xvmc_deps="X11_extensions_XvMClib_h"
2324 h263_vaapi_hwaccel_deps="vaapi"
2325 h263_vaapi_hwaccel_select="h263_decoder"
2326 h263_vdpau_hwaccel_deps="vdpau"
2327 h263_vdpau_hwaccel_select="h263_decoder"
2328 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2329 h264_dxva2_hwaccel_deps="dxva2"
2330 h264_dxva2_hwaccel_select="h264_decoder"
2331 h264_mmal_decoder_deps="mmal"
2332 h264_mmal_hwaccel_deps="mmal"
2333 h264_mmal_decoder_select="h264_decoder"
2334 h264_mmal_encoder_deps="mmal"
2335 h264_qsv_hwaccel_deps="libmfx"
2336 h264_vaapi_hwaccel_deps="vaapi"
2337 h264_vaapi_hwaccel_select="h264_decoder"
2338 h264_vda_decoder_deps="vda"
2339 h264_vda_decoder_select="h264_decoder"
2340 h264_vda_hwaccel_deps="vda"
2341 h264_vda_hwaccel_select="h264_decoder"
2342 h264_vda_old_hwaccel_deps="vda"
2343 h264_vda_old_hwaccel_select="h264_decoder"
2344 h264_vdpau_decoder_deps="vdpau"
2345 h264_vdpau_decoder_select="h264_decoder"
2346 h264_vdpau_hwaccel_deps="vdpau"
2347 h264_vdpau_hwaccel_select="h264_decoder"
2348 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2349 hevc_dxva2_hwaccel_select="hevc_decoder"
2350 mpeg_vdpau_decoder_deps="vdpau"
2351 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2352 mpeg_xvmc_hwaccel_deps="xvmc"
2353 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2354 mpeg1_vdpau_decoder_deps="vdpau"
2355 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2356 mpeg1_vdpau_hwaccel_deps="vdpau"
2357 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2358 mpeg1_xvmc_hwaccel_deps="xvmc"
2359 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2360 mpeg2_crystalhd_decoder_select="crystalhd"
2361 mpeg2_dxva2_hwaccel_deps="dxva2"
2362 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2363 mpeg2_vaapi_hwaccel_deps="vaapi"
2364 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2365 mpeg2_vdpau_hwaccel_deps="vdpau"
2366 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2367 mpeg2_xvmc_hwaccel_deps="xvmc"
2368 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2369 mpeg4_crystalhd_decoder_select="crystalhd"
2370 mpeg4_vaapi_hwaccel_deps="vaapi"
2371 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2372 mpeg4_vdpau_decoder_deps="vdpau"
2373 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2374 mpeg4_vdpau_hwaccel_deps="vdpau"
2375 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2376 msmpeg4_crystalhd_decoder_select="crystalhd"
2377 vc1_crystalhd_decoder_select="crystalhd"
2378 vc1_dxva2_hwaccel_deps="dxva2"
2379 vc1_dxva2_hwaccel_select="vc1_decoder"
2380 vc1_vaapi_hwaccel_deps="vaapi"
2381 vc1_vaapi_hwaccel_select="vc1_decoder"
2382 vc1_vdpau_decoder_deps="vdpau"
2383 vc1_vdpau_decoder_select="vc1_decoder"
2384 vc1_vdpau_hwaccel_deps="vdpau"
2385 vc1_vdpau_hwaccel_select="vc1_decoder"
2386 wmv3_crystalhd_decoder_select="crystalhd"
2387 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2388 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2389 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2390 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2393 h264_parser_select="h264_decoder"
2394 hevc_parser_select="hevc_decoder"
2395 mpegvideo_parser_select="mpegvideo"
2396 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
2397 vc1_parser_select="mpegvideo startcode vc1_decoder"
2400 mjpeg2jpeg_bsf_select="jpegtables"
2402 # external libraries
2403 libaacplus_encoder_deps="libaacplus"
2404 libcelt_decoder_deps="libcelt"
2405 libdcadec_decoder_deps="libdcadec"
2406 libfaac_encoder_deps="libfaac"
2407 libfaac_encoder_select="audio_frame_queue"
2408 libfdk_aac_decoder_deps="libfdk_aac"
2409 libfdk_aac_encoder_deps="libfdk_aac"
2410 libfdk_aac_encoder_select="audio_frame_queue"
2411 libgme_demuxer_deps="libgme"
2412 libgsm_decoder_deps="libgsm"
2413 libgsm_encoder_deps="libgsm"
2414 libgsm_ms_decoder_deps="libgsm"
2415 libgsm_ms_encoder_deps="libgsm"
2416 libilbc_decoder_deps="libilbc"
2417 libilbc_encoder_deps="libilbc"
2418 libmodplug_demuxer_deps="libmodplug"
2419 libmp3lame_encoder_deps="libmp3lame"
2420 libmp3lame_encoder_select="audio_frame_queue"
2421 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2422 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2423 libopencore_amrnb_encoder_select="audio_frame_queue"
2424 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2425 libopenh264_encoder_deps="libopenh264"
2426 libopenjpeg_decoder_deps="libopenjpeg"
2427 libopenjpeg_encoder_deps="libopenjpeg"
2428 libopus_decoder_deps="libopus"
2429 libopus_encoder_deps="libopus"
2430 libopus_encoder_select="audio_frame_queue"
2431 libquvi_demuxer_deps="libquvi"
2432 libschroedinger_decoder_deps="libschroedinger"
2433 libschroedinger_encoder_deps="libschroedinger"
2434 libshine_encoder_deps="libshine"
2435 libshine_encoder_select="audio_frame_queue"
2436 libspeex_decoder_deps="libspeex"
2437 libspeex_encoder_deps="libspeex"
2438 libspeex_encoder_select="audio_frame_queue"
2439 libstagefright_h264_decoder_deps="libstagefright_h264"
2440 libtheora_encoder_deps="libtheora"
2441 libtwolame_encoder_deps="libtwolame"
2442 libvo_aacenc_encoder_deps="libvo_aacenc"
2443 libvo_aacenc_encoder_select="audio_frame_queue"
2444 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2445 libvorbis_decoder_deps="libvorbis"
2446 libvorbis_encoder_deps="libvorbis"
2447 libvorbis_encoder_select="audio_frame_queue"
2448 libvpx_vp8_decoder_deps="libvpx"
2449 libvpx_vp8_encoder_deps="libvpx"
2450 libvpx_vp9_decoder_deps="libvpx"
2451 libvpx_vp9_encoder_deps="libvpx"
2452 libwavpack_encoder_deps="libwavpack"
2453 libwebp_encoder_deps="libwebp"
2454 libx264_encoder_deps="libx264"
2455 libx264rgb_encoder_deps="libx264"
2456 libx264rgb_encoder_select="libx264_encoder"
2457 libx265_encoder_deps="libx265"
2458 libxavs_encoder_deps="libxavs"
2459 libxvid_encoder_deps="libxvid"
2460 libutvideo_decoder_deps="libutvideo"
2461 libutvideo_encoder_deps="libutvideo"
2462 libzvbi_teletext_decoder_deps="libzvbi"
2463 nvenc_encoder_deps="nvenc"
2464 nvenc_h265_encoder_deps="nvenc"
2467 ac3_demuxer_select="ac3_parser"
2468 asf_demuxer_select="riffdec"
2469 asf_muxer_select="riffenc"
2470 asf_stream_muxer_select="asf_muxer"
2471 avi_demuxer_select="riffdec exif"
2472 avi_muxer_select="riffenc"
2473 avisynth_demuxer_deps="avisynth"
2474 avisynth_demuxer_select="riffdec"
2475 caf_demuxer_select="riffdec"
2476 dash_muxer_select="mp4_muxer"
2477 dirac_demuxer_select="dirac_parser"
2478 dts_demuxer_select="dca_parser"
2479 dtshd_demuxer_select="dca_parser"
2480 dv_demuxer_select="dvprofile"
2481 dv_muxer_select="dvprofile"
2482 dxa_demuxer_select="riffdec"
2483 eac3_demuxer_select="ac3_parser"
2484 f4v_muxer_select="mov_muxer"
2485 flac_demuxer_select="flac_parser"
2486 hds_muxer_select="flv_muxer"
2487 hls_muxer_select="mpegts_muxer"
2488 image2_alias_pix_demuxer_select="image2_demuxer"
2489 image2_brender_pix_demuxer_select="image2_demuxer"
2490 ipod_muxer_select="mov_muxer"
2491 ismv_muxer_select="mov_muxer"
2492 libnut_demuxer_deps="libnut"
2493 libnut_muxer_deps="libnut"
2494 matroska_audio_muxer_select="matroska_muxer"
2495 matroska_demuxer_select="riffdec"
2496 matroska_demuxer_suggest="bzlib lzo zlib"
2497 matroska_muxer_select="riffenc"
2498 mmf_muxer_select="riffenc"
2499 mov_demuxer_select="riffdec"
2500 mov_demuxer_suggest="zlib"
2501 mov_muxer_select="riffenc rtpenc_chain"
2502 mp3_demuxer_select="mpegaudio_parser"
2503 mp4_muxer_select="mov_muxer"
2504 mpegts_muxer_select="adts_muxer latm_muxer"
2505 mpegtsraw_demuxer_select="mpegts_demuxer"
2506 mxf_d10_muxer_select="mxf_muxer"
2507 mxf_opatom_muxer_select="mxf_muxer"
2508 nut_muxer_select="riffenc"
2509 nuv_demuxer_select="riffdec"
2510 oga_muxer_select="ogg_muxer"
2511 ogg_demuxer_select="golomb"
2512 opus_muxer_select="ogg_muxer"
2513 psp_muxer_select="mov_muxer"
2514 rtp_demuxer_select="sdp_demuxer"
2515 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2516 rtsp_demuxer_select="http_protocol rtpdec"
2517 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2518 sap_demuxer_select="sdp_demuxer"
2519 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2520 sdp_demuxer_select="rtpdec"
2521 smoothstreaming_muxer_select="ismv_muxer"
2522 spdif_muxer_select="aac_parser"
2523 spx_muxer_select="ogg_muxer"
2524 tak_demuxer_select="tak_parser"
2525 tg2_muxer_select="mov_muxer"
2526 tgp_muxer_select="mov_muxer"
2527 vobsub_demuxer_select="mpegps_demuxer"
2528 w64_demuxer_select="wav_demuxer"
2529 w64_muxer_select="wav_muxer"
2530 wav_demuxer_select="riffdec"
2531 wav_muxer_select="riffenc"
2532 webm_muxer_select="riffenc"
2533 wtv_demuxer_select="riffdec"
2534 wtv_muxer_select="riffenc"
2535 xmv_demuxer_select="riffdec"
2536 xwma_demuxer_select="riffdec"
2539 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2540 alsa_outdev_deps="alsa_asoundlib_h"
2541 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2542 avfoundation_indev_select="avfoundation"
2543 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2544 caca_outdev_deps="libcaca"
2545 decklink_outdev_deps="decklink pthreads"
2546 decklink_outdev_extralibs="-lstdc++"
2547 decklink_indev_deps="decklink pthreads"
2548 decklink_indev_extralibs="-lstdc++"
2549 dshow_indev_deps="IBaseFilter"
2550 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
2551 dv1394_indev_deps="dv1394"
2552 dv1394_indev_select="dv_demuxer"
2553 fbdev_indev_deps="linux_fb_h"
2554 fbdev_outdev_deps="linux_fb_h"
2555 gdigrab_indev_deps="CreateDIBSection"
2556 gdigrab_indev_extralibs="-lgdi32"
2557 gdigrab_indev_select="bmp_decoder"
2558 iec61883_indev_deps="libiec61883"
2559 jack_indev_deps="jack_jack_h sem_timedwait"
2560 lavfi_indev_deps="avfilter"
2561 libcdio_indev_deps="libcdio"
2562 libdc1394_indev_deps="libdc1394"
2563 libv4l2_indev_deps="libv4l2"
2564 openal_indev_deps="openal"
2565 opengl_outdev_deps="opengl"
2566 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2567 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2568 pulse_indev_deps="libpulse"
2569 pulse_outdev_deps="libpulse"
2570 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2571 qtkit_indev_select="qtkit"
2572 sdl_outdev_deps="sdl"
2573 sndio_indev_deps="sndio_h"
2574 sndio_outdev_deps="sndio_h"
2575 v4l_indev_deps="linux_videodev_h"
2576 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2577 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2578 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2579 vfwcap_indev_extralibs="-lavicap32"
2580 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2581 xv_outdev_extralibs="-lXv -lX11 -lXext"
2582 x11grab_indev_deps="x11grab"
2583 x11grab_xcb_indev_deps="libxcb"
2586 bluray_protocol_deps="libbluray"
2587 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2588 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2589 ffrtmpcrypt_protocol_select="tcp_protocol"
2590 ffrtmphttp_protocol_deps="!librtmp_protocol"
2591 ffrtmphttp_protocol_select="http_protocol"
2592 ftp_protocol_select="tcp_protocol"
2593 gopher_protocol_select="network"
2594 http_protocol_select="tcp_protocol"
2595 httpproxy_protocol_select="tcp_protocol"
2596 https_protocol_select="tls_protocol"
2597 icecast_protocol_select="http_protocol"
2598 librtmp_protocol_deps="librtmp"
2599 librtmpe_protocol_deps="librtmp"
2600 librtmps_protocol_deps="librtmp"
2601 librtmpt_protocol_deps="librtmp"
2602 librtmpte_protocol_deps="librtmp"
2603 libsmbclient_protocol_deps="libsmbclient gplv3"
2604 libssh_protocol_deps="libssh"
2605 mmsh_protocol_select="http_protocol"
2606 mmst_protocol_select="network"
2607 rtmp_protocol_deps="!librtmp_protocol"
2608 rtmp_protocol_select="tcp_protocol"
2609 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2610 rtmps_protocol_deps="!librtmp_protocol"
2611 rtmps_protocol_select="tls_protocol"
2612 rtmpt_protocol_select="ffrtmphttp_protocol"
2613 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2614 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2615 rtp_protocol_select="udp_protocol"
2616 sctp_protocol_deps="struct_sctp_event_subscribe"
2617 sctp_protocol_select="network"
2618 srtp_protocol_select="rtp_protocol"
2619 tcp_protocol_select="network"
2620 tls_protocol_deps_any="openssl gnutls"
2621 tls_protocol_select="tcp_protocol"
2622 udp_protocol_select="network"
2623 udplite_protocol_select="network"
2624 unix_protocol_deps="sys_un_h"
2625 unix_protocol_select="network"
2628 amovie_filter_deps="avcodec avformat"
2629 aresample_filter_deps="swresample"
2630 ass_filter_deps="libass"
2631 asyncts_filter_deps="avresample"
2632 atempo_filter_deps="avcodec"
2633 atempo_filter_select="rdft"
2634 azmq_filter_deps="libzmq"
2635 blackframe_filter_deps="gpl"
2636 boxblur_filter_deps="gpl"
2637 bs2b_filter_deps="libbs2b"
2638 colormatrix_filter_deps="gpl"
2639 cover_rect_filter_deps="avcodec avformat gpl"
2640 cropdetect_filter_deps="gpl"
2641 delogo_filter_deps="gpl"
2642 deshake_filter_select="pixelutils"
2643 drawtext_filter_deps="libfreetype"
2644 ebur128_filter_deps="gpl"
2645 eq_filter_deps="gpl"
2646 fftfilt_filter_deps="avcodec"
2647 fftfilt_filter_select="rdft"
2648 flite_filter_deps="libflite"
2649 find_rect_filter_deps="avcodec avformat gpl"
2650 frei0r_filter_deps="frei0r dlopen"
2651 frei0r_src_filter_deps="frei0r dlopen"
2652 fspp_filter_deps="gpl"
2653 geq_filter_deps="gpl"
2654 histeq_filter_deps="gpl"
2655 hqdn3d_filter_deps="gpl"
2656 interlace_filter_deps="gpl"
2657 kerndeint_filter_deps="gpl"
2658 ladspa_filter_deps="ladspa dlopen"
2659 mcdeint_filter_deps="avcodec gpl"
2660 movie_filter_deps="avcodec avformat"
2661 mpdecimate_filter_deps="gpl"
2662 mpdecimate_filter_select="pixelutils"
2663 mptestsrc_filter_deps="gpl"
2664 negate_filter_deps="lut_filter"
2665 perspective_filter_deps="gpl"
2666 pp7_filter_deps="gpl"
2667 ocv_filter_deps="libopencv"
2668 owdenoise_filter_deps="gpl"
2669 pan_filter_deps="swresample"
2670 phase_filter_deps="gpl"
2671 pp_filter_deps="gpl postproc"
2672 pullup_filter_deps="gpl"
2673 removelogo_filter_deps="avcodec avformat swscale"
2674 repeatfields_filter_deps="gpl"
2675 resample_filter_deps="avresample"
2676 sab_filter_deps="gpl swscale"
2677 scale_filter_deps="swscale"
2678 select_filter_select="pixelutils"
2679 smartblur_filter_deps="gpl swscale"
2680 showspectrum_filter_deps="avcodec"
2681 showspectrum_filter_select="rdft"
2682 spp_filter_deps="gpl avcodec"
2683 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
2684 stereo3d_filter_deps="gpl"
2685 subtitles_filter_deps="avformat avcodec libass"
2686 super2xsai_filter_deps="gpl"
2687 tinterlace_filter_deps="gpl"
2688 vidstabdetect_filter_deps="libvidstab"
2689 vidstabtransform_filter_deps="libvidstab"
2690 pixfmts_super2xsai_test_deps="super2xsai_filter"
2691 tinterlace_merge_test_deps="tinterlace_filter"
2692 tinterlace_pad_test_deps="tinterlace_filter"
2693 uspp_filter_deps="gpl avcodec"
2694 zmq_filter_deps="libzmq"
2695 zoompan_filter_deps="swscale"
2698 avio_reading="avformat avcodec avutil"
2699 avio_list_dir="avformat avutil"
2700 avcodec_example_deps="avcodec avutil"
2701 decoding_encoding_example_deps="avcodec avformat avutil"
2702 demuxing_decoding_example_deps="avcodec avformat avutil"
2703 extract_mvs_example_deps="avcodec avformat avutil"
2704 filter_audio_example_deps="avfilter avutil"
2705 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2706 filtering_video_example_deps="avfilter avcodec avformat avutil"
2707 metadata_example_deps="avformat avutil"
2708 muxing_example_deps="avcodec avformat avutil swscale"
2709 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2710 remuxing_example_deps="avcodec avformat avutil"
2711 resampling_audio_example_deps="avutil swresample"
2712 scaling_video_example_deps="avutil swscale"
2713 transcode_aac_example_deps="avcodec avformat swresample"
2714 transcoding_example_deps="avfilter avcodec avformat avutil"
2716 # libraries, in linking order
2717 avcodec_deps="avutil"
2718 avdevice_deps="avformat avcodec avutil"
2719 avfilter_deps="avutil"
2720 avformat_deps="avcodec avutil"
2721 avresample_deps="avutil"
2722 postproc_deps="avutil gpl"
2723 swresample_deps="avutil"
2724 swscale_deps="avutil"
2727 ffmpeg_deps="avcodec avfilter avformat swresample"
2728 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2730 setpts_filter trim_filter"
2731 ffplay_deps="avcodec avformat swscale swresample sdl"
2732 ffplay_libs='$sdl_libs'
2733 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
2734 ffprobe_deps="avcodec avformat"
2735 ffserver_deps="avformat fork sarestart"
2736 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2739 podpages_deps="perl"
2740 manpages_deps="perl pod2man"
2741 htmlpages_deps="perl"
2742 htmlpages_deps_any="makeinfo_html texi2html"
2743 txtpages_deps="perl makeinfo"
2744 doc_deps_any="manpages htmlpages podpages txtpages"
2746 # default parameters
2748 logfile="config.log"
2750 # installation paths
2751 prefix_default="/usr/local"
2752 bindir_default='${prefix}/bin'
2753 datadir_default='${prefix}/share/ffmpeg'
2754 docdir_default='${prefix}/share/doc/ffmpeg'
2755 incdir_default='${prefix}/include'
2756 libdir_default='${prefix}/lib'
2757 mandir_default='${prefix}/share/man'
2763 host_cc_default="gcc"
2765 doxygen_default="doxygen"
2770 pkg_config_default=pkg-config
2771 if ranlib 2>&1 | grep -q "\-D "; then
2772 ranlib_default="ranlib -D"
2774 ranlib_default="ranlib"
2776 strip_default="strip"
2777 yasmexe_default="yasm"
2778 windres_default="windres"
2781 target_os_default=$(tolower $(uname -s))
2782 host_os=$target_os_default
2785 if test "$target_os_default" = aix; then
2786 arch_default=$(uname -p)
2787 strip_default="strip -X32_64"
2789 arch_default=$(uname -m)
2794 # configurable options
2795 enable $PROGRAM_LIST
2796 enable $DOCUMENT_LIST
2797 enable $EXAMPLE_LIST
2798 enable $(filter_out avresample $LIBRARY_LIST)
2804 enable faan faandct faanidct
2805 enable optimizations
2806 enable runtime_cpudetect
2807 enable safe_bitstream_reader
2809 enable swscale_alpha
2810 enable valgrind_backtrace
2812 sws_max_filter_size_default=256
2813 set_default sws_max_filter_size
2815 # Enable hwaccels by default.
2816 enable dxva2 vaapi vda vdpau xvmc
2820 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2823 FULLNAME='$(NAME)$(BUILDSUF)'
2824 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2827 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2828 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2829 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2830 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2831 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2832 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2854 host_cflags_filter=echo
2855 host_ldflags_filter=echo
2857 target_path='$(CURDIR)'
2859 # since the object filename is not given with the -MM flag, the compiler
2860 # is only able to print the basename, and we must add the path ourselves
2861 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2865 if test -f configure; then
2868 source_path=$(cd $(dirname "$0"); pwd)
2869 echo "$source_path" | grep -q '[[:blank:]]' &&
2870 die "Out of tree builds are impossible with whitespace in source path."
2871 test -e "$source_path/config.h" &&
2872 die "Out of tree builds are impossible with config.h in source dir."
2879 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2885 file=$source_path/$3
2886 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2889 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2890 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2891 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2892 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2893 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2894 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2895 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2896 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2897 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2898 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2899 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2915 for n in $COMPONENT_LIST; do
2916 v=$(toupper ${n%s})_LIST
2918 eval ${n}_if_any="\$$v"
2921 enable $ARCH_EXT_LIST
2924 echo "Unknown option \"$1\"."
2925 echo "See $0 --help for available options."
2930 cat | tr ' ' '\n' | sort | pr -r -3 -t
2936 echo $* | sed s/$suffix//g | print_3_columns
2948 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2949 echo "prob ${prob:-0.5}"
2957 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2958 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2967 --extra-ldexeflags=*)
2968 add_ldexeflags $optval
2971 add_extralibs $optval
2974 disable $INDEV_LIST $OUTDEV_LIST
2977 debuglevel="$optval"
2980 disable $PROGRAM_LIST
2982 --disable-everything)
2983 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2986 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2987 disable $LIBRARY_LIST $PROGRAM_LIST doc
2989 --enable-random|--disable-random)
2990 action=${opt%%-random}
2991 do_random ${action#--} $COMPONENT_LIST
2993 --enable-random=*|--disable-random=*)
2994 action=${opt%%-random=*}
2995 do_random ${action#--} $optval
2997 --enable-*=*|--disable-*=*)
2998 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2999 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3000 eval list=\$$(toupper $thing)_LIST
3001 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3002 list=$(filter "$name" $list)
3003 [ "$list" = "" ] && warn "Option $opt did not match anything"
3006 --enable-?*|--disable-?*)
3007 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3008 if is_in $option $COMPONENT_LIST; then
3009 test $action = disable && action=unset
3010 eval $action \$$(toupper ${option%s})_LIST
3011 elif is_in $option $CMDLINE_SELECT; then
3018 NAME="${opt#--list-}"
3019 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3021 eval show_list $NAME \$$(toupper $NAME)_LIST
3023 --help|-h) show_help
3025 --fatal-warnings) enable fatal_warnings
3028 optname="${opt%%=*}"
3029 optname="${optname#--}"
3030 optname=$(echo "$optname" | sed 's/-/_/g')
3031 if is_in $optname $CMDLINE_SET; then
3032 eval $optname='$optval'
3033 elif is_in $optname $CMDLINE_APPEND; then
3034 append $optname "$optval"
3042 disabled logging && logfile=/dev/null
3044 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3047 test -n "$valgrind" && toolchain="valgrind-memcheck"
3049 case "$toolchain" in
3052 add_cflags -fsanitize=address
3053 add_ldflags -fsanitize=address
3057 add_cflags -fsanitize=thread -pie
3058 add_ldflags -fsanitize=thread -pie
3062 add_cflags -fsanitize=undefined
3063 add_ldflags -fsanitize=undefined
3067 add_cflags -fsanitize=address
3068 add_ldflags -fsanitize=address
3072 add_cflags -fsanitize=thread -pie -fPIC
3073 add_ldflags -fsanitize=thread -pie -fPIC
3077 add_cflags -fsanitize=undefined
3078 add_ldflags -fsanitize=undefined
3081 target_exec_default=${valgrind:-"valgrind"}
3082 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"
3085 target_exec_default=${valgrind:-"valgrind"}
3086 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3089 # Check whether the current MSVC version needs the C99 converter.
3090 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3091 # support enough of C99 to build ffmpeg. Default to the new
3092 # behaviour if the regexp was unable to match anything, since this
3093 # successfully parses the version number of existing supported
3094 # versions that require the converter (MSVC 2010 and 2012).
3095 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3096 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3099 cc_default="c99wrap cl"
3102 nm_default="dumpbin -symbols"
3104 target_os_default="win32"
3105 # Use a relative path for TMPDIR. This makes sure all the
3106 # ffconf temp files are written with a relative path, avoiding
3107 # issues with msys/win32 path conversion for MSVC parameters
3108 # such as -Fo<file> or -out:<file>.
3114 nm_default="dumpbin -symbols"
3116 target_os_default="win32"
3120 add_cflags -fprofile-arcs -ftest-coverage
3121 add_ldflags -fprofile-arcs -ftest-coverage
3124 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3125 add_cflags -fno-strict-overflow -fstack-protector-all
3126 add_ldflags -Wl,-z,relro -Wl,-z,now
3129 die "Unknown toolchain $toolchain"
3133 test -n "$cross_prefix" && enable cross_compile
3135 if enabled cross_compile; then
3136 test -n "$arch" && test -n "$target_os" ||
3137 die "Must specify target arch and OS when cross-compiling"
3140 ar_default="${cross_prefix}${ar_default}"
3141 cc_default="${cross_prefix}${cc_default}"
3142 cxx_default="${cross_prefix}${cxx_default}"
3143 nm_default="${cross_prefix}${nm_default}"
3144 pkg_config_default="${cross_prefix}${pkg_config_default}"
3145 ranlib_default="${cross_prefix}${ranlib_default}"
3146 strip_default="${cross_prefix}${strip_default}"
3147 windres_default="${cross_prefix}${windres_default}"
3149 sysinclude_default="${sysroot}/usr/include"
3151 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3152 target_exec target_os yasmexe
3153 enabled cross_compile || host_cc_default=$cc
3156 pkg_config_fail_message=""
3157 if ! $pkg_config --version >/dev/null 2>&1; then
3158 warn "$pkg_config not found, library detection may fail."
3160 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3161 pkg_config_fail_message="
3162 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3165 if test $doxygen != $doxygen_default && \
3166 ! $doxygen --version >/dev/null 2>&1; then
3167 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3172 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3176 EXESUF=$(exesuf $target_os)
3177 HOSTEXESUF=$(exesuf $host_os)
3179 # set temporary file name
3180 : ${TMPDIR:=$TEMPDIR}
3184 if [ -n "$tempprefix" ] ; then
3186 echo $tempprefix.${HOSTNAME}.${UID}
3188 elif ! check_cmd mktemp -u XXXXXX; then
3189 # simple replacement for missing mktemp
3190 # NOT SAFE FOR GENERAL USE
3192 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3197 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3198 (set -C; exec > $tmp) 2>/dev/null ||
3199 die "Unable to create temporary file in $TMPDIR."
3200 append TMPFILES $tmp
3204 trap 'rm -f -- $TMPFILES' EXIT
3209 tmpfile TMPE $EXESUF
3221 # make sure we can execute files in $TMPDIR
3222 cat > $TMPSH 2>> $logfile <<EOF
3225 chmod +x $TMPSH >> $logfile 2>&1
3226 if ! $TMPSH >> $logfile 2>&1; then
3228 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3229 variable to another directory and make sure that it is not mounted noexec.
3231 die "Sanity test failed."
3237 # Filter out MSVC cl.exe options from cflags that shouldn't
3238 # be passed to gas-preprocessor
3248 -std=c99) echo -c99 ;;
3249 -mcpu=*) echo -arch ${flag#*=} ;;
3250 -mieee) echo -ieee ;;
3251 -O*|-fast) echo $flag ;;
3252 -fno-math-errno) echo -assume nomath_errno ;;
3254 -Wall) echo -msg_enable level2 ;;
3255 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3256 -Wl,*) echo $flag ;;
3266 -Wno-switch) echo -Wno-switch-enum ;;
3267 -Wno-format-zero-length) ;;
3268 -Wdisabled-optimization) ;;
3269 -Wno-pointer-sign) echo -Wno-other ;;
3275 msvc_common_flags(){
3278 # In addition to specifying certain flags under the compiler
3279 # specific filters, they must be specified here as well or else the
3280 # generic catch all at the bottom will print the original flag.
3284 -fomit-frame-pointer) ;;
3288 -fno-signed-zeros) ;;
3292 -lz) echo zlib.lib ;;
3293 -lavifil32) echo vfw32.lib ;;
3294 -lavicap32) echo vfw32.lib user32.lib ;;
3295 -l*) echo ${flag#-l}.lib ;;
3296 -L*) echo -libpath:${flag#-L} ;;
3303 msvc_common_flags "$@"
3306 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3307 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3308 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3310 -wd4273 -wd4554 -wd4701 ;;
3316 msvc_common_flags "$@"
3319 # Despite what Intel's documentation says -Wall, which is supported
3320 # on Windows, does enable remarks so disable them here.
3321 -Wall) echo $flag -Qdiag-disable:remark ;;
3322 -std=c99) echo -Qstd=c99 ;;
3340 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3341 -fomit-frame-pointer) echo -Mnoframe ;;
3352 case "${flag#*=}" in
3353 native) echo -xtarget=native ;;
3354 v9|niagara) echo -xarch=sparc ;;
3355 ultrasparc) echo -xarch=sparcvis ;;
3356 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3357 i586|pentium) echo -xchip=pentium ;;
3358 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3359 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3360 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3361 pentium4*) echo -xtarget=pentium4 ;;
3362 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3363 *-sse3) echo -xarch=sse3 ;;
3364 core2) echo -xarch=ssse3 -xchip=core2 ;;
3365 bonnell) echo -xarch=ssse3 ;;
3366 corei7|nehalem) echo -xtarget=nehalem ;;
3367 westmere) echo -xtarget=westmere ;;
3368 silvermont) echo -xarch=sse4_2 ;;
3369 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3370 core-avx*|ivybridge|haswell|broadwell)
3372 amdfam10|barcelona) echo -xtarget=barcelona ;;
3373 btver1) echo -xarch=amdsse4a ;;
3374 btver2|bdver*) echo -xarch=avx ;;
3375 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3376 k8|opteron|athlon64|athlon-fx)
3377 echo -xarch=sse2a ;;
3378 athlon*) echo -xarch=pentium_proa ;;
3381 -std=c99) echo -xc99 ;;
3382 -fomit-frame-pointer) echo -xregs=frameptr ;;
3383 -fPIC) echo -KPIC -xcode=pic32 ;;
3384 -W*,*) echo $flag ;;
3385 -f*-*|-W*|-mimpure-text) ;;
3396 case "${flag#*=}" in
3397 armv7-a|cortex-a*) echo -mv=7a8 ;;
3398 armv7-r|cortex-r*) echo -mv=7r4 ;;
3399 armv7-m|cortex-m*) echo -mv=7m3 ;;
3400 armv6*|arm11*) echo -mv=6 ;;
3401 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3403 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3406 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3407 -mfpu=vfp) echo --float_support=vfpv2 ;;
3408 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3409 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3410 -msoft-float) echo --float_support=vfplib ;;
3411 -O[0-3]|-mf=*) echo $flag ;;
3413 -pds=*) echo $flag ;;
3414 -D*|-I*) echo $flag ;;
3415 --gcc|--abi=*) echo $flag ;;
3425 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3426 unset _ld_o _ldflags _ld_lib _ld_path
3427 unset _depflags _DEPCMD _DEPFLAGS
3430 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3431 true # no-op to avoid reading stdin in following checks
3432 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3434 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
3435 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
3436 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3439 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3441 gcc_version=$($_cc --version | head -n1)
3442 gcc_basever=$($_cc -dumpversion)
3443 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3444 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3445 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3446 if ! $_cc -dumpversion | grep -q '^2\.'; then
3447 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3451 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3453 _ident=$($_cc --version | head -n1)
3458 _flags_filter=icc_flags
3459 elif $_cc -v 2>&1 | grep -q xlc; then
3461 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3463 _cflags_size='-O5 -qcompact'
3464 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3466 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3468 _cflags_speed='-fast'
3470 _flags_filter=ccc_flags
3471 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3472 test -d "$sysroot" || die "No valid sysroot specified."
3474 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3475 armcc_conf="$PWD/armcc.conf"
3476 $_cc --arm_linux_configure \
3477 --arm_linux_config_file="$armcc_conf" \
3478 --configure_sysroot="$sysroot" \
3479 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3480 die "Error creating armcc configuration file."
3481 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3482 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3483 as_default="${cross_prefix}gcc"
3487 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3489 _ident=$($_cc -version | head -n1 | tr -s ' ')
3490 _flags='--gcc --abi=eabi -me'
3493 _depflags='-ppa -ppd=$(@:.o=.d)'
3494 _cflags_speed='-O3 -mf=5'
3495 _cflags_size='-O3 -mf=2'
3496 _flags_filter=tms470_flags
3497 elif $_cc -v 2>&1 | grep -q clang; then
3499 _ident=$($_cc --version | head -n1)
3500 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3503 elif $_cc -V 2>&1 | grep -q Sun; then
3505 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3506 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3507 _DEPFLAGS='-xM1 -xc99'
3510 _cflags_size='-O5 -xspace'
3511 _flags_filter=suncc_flags
3512 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3514 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3515 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3518 _flags_filter='filter_out -Wdisabled-optimization'
3519 elif $_cc -v 2>&1 | grep -q Open64; then
3521 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3522 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3525 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3526 elif $_cc -V 2>&1 | grep -q Portland; then
3528 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3529 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3530 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3531 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3533 _flags_filter=pgi_flags
3534 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3536 _ident=$($_cc | head -n1)
3537 # 4509: "This form of conditional instruction is deprecated"
3538 _flags="-nologo -ignore 4509"
3539 _flags_filter=armasm_flags
3540 elif $_cc 2>&1 | grep -q Intel; then
3542 _ident=$($_cc 2>&1 | head -n1)
3543 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3544 # Not only is O3 broken on 13.x+ but it is slower on all previous
3545 # versions (tested) as well.
3547 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3548 if $_cc 2>&1 | grep -q Linker; then
3555 _flags_filter=icl_flags
3557 _ld_path='-libpath:'
3558 # -Qdiag-error to make icl error when seeing certain unknown arguments
3559 _flags='-nologo -Qdiag-error:4044,10157'
3560 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3561 # with MSVC which enables it by default.
3562 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3563 if [ $pfx = hostcc ]; then
3564 append _cflags -Dsnprintf=_snprintf
3567 elif $_cc 2>&1 | grep -q Microsoft; then
3569 _ident=$($_cc 2>&1 | head -n1)
3570 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3571 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3574 if $_cc 2>&1 | grep -q Linker; then
3581 _flags_filter=msvc_flags
3583 _ld_path='-libpath:'
3585 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3586 if [ $pfx = hostcc ]; then
3587 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -le 18 ]; then
3588 append _cflags -Dsnprintf=_snprintf
3592 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3594 _ident=$($_cc --version | head -n1)
3598 _flags_filter=cparser_flags
3601 eval ${pfx}_type=\$_type
3602 eval ${pfx}_ident=\$_ident
3606 eval ${1}_C=\${_cc_c-\${${1}_C}}
3607 eval ${1}_E=\${_cc_e-\${${1}_E}}
3608 eval ${1}_O=\${_cc_o-\${${1}_O}}
3610 if [ -n "$_depflags" ]; then
3611 eval ${1}_DEPFLAGS=\$_depflags
3613 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3614 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3615 eval DEP${1}FLAGS=\$_flags
3620 cflags_filter=$_flags_filter
3621 cflags_speed=$_cflags_speed
3622 cflags_size=$_cflags_size
3623 cflags_noopt=$_cflags_noopt
3624 add_cflags $_flags $_cflags
3625 cc_ldflags=$_ldflags
3628 probe_cc hostcc "$host_cc"
3629 host_cflags_filter=$_flags_filter
3630 add_host_cflags $_flags $_cflags
3633 test -n "$cc_type" && enable $cc_type ||
3634 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3636 : ${as_default:=$cc}
3637 : ${dep_cc_default:=$cc}
3638 : ${ld_default:=$cc}
3639 : ${host_ld_default:=$host_cc}
3640 set_default ar as dep_cc ld host_ld windres
3643 asflags_filter=$_flags_filter
3644 add_asflags $_flags $_cflags
3648 ldflags_filter=$_flags_filter
3649 add_ldflags $_flags $_ldflags
3650 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3652 LD_LIB=${_ld_lib-$LD_LIB}
3653 LD_PATH=${_ld_path-$LD_PATH}
3655 probe_cc hostld "$host_ld"
3656 host_ldflags_filter=$_flags_filter
3657 add_host_ldflags $_flags $_ldflags
3658 HOSTLD_O=${_ld_o-$HOSTLD_O}
3660 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3661 probe_cc depcc "$dep_cc"
3662 CCDEP=${_DEPCMD:-$DEPCMD}
3663 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3667 if $ar 2>&1 | grep -q Microsoft; then
3670 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3673 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3674 arflags='-Xany -r -c'
3676 elif $ar 2>&1 | grep -q "\[D\] "; then
3684 add_cflags $extra_cflags
3685 add_cxxflags $extra_cxxflags
3686 add_asflags $extra_cflags
3688 if test -n "$sysroot"; then
3691 add_cppflags --sysroot="$sysroot"
3692 add_ldflags --sysroot="$sysroot"
3693 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
3694 add_cppflags -isysroot "$sysroot"
3695 add_ldflags -isysroot "$sysroot"
3698 add_cppflags -I"$sysinclude"
3699 add_ldflags --sysroot="$sysroot"
3704 if test "$cpu" = host; then
3705 enabled cross_compile &&
3706 die "--cpu=host makes no sense when cross-compiling."
3711 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3713 s/.*$1=\\([^ ]*\\).*/\\1/
3718 cpu=$(check_native -march || check_native -mcpu)
3722 test "${cpu:-host}" = host &&
3723 die "--cpu=host not supported with compiler $cc"
3726 # Deal with common $arch aliases
3740 "Power Macintosh"|ppc*|powerpc*)
3755 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3760 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3763 # Add processor-specific flags
3764 if enabled aarch64; then
3768 cpuflags="-march=$cpu"
3771 cpuflags="-mcpu=$cpu"
3775 elif enabled alpha; then
3777 cpuflags="-mcpu=$cpu"
3779 elif enabled arm; then
3782 check_cpp_condition stddef.h \
3783 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3788 if check_arm_arch 4; then echo armv4;
3789 elif check_arm_arch 4T; then echo armv4t;
3790 elif check_arm_arch 5; then echo armv5;
3791 elif check_arm_arch 5E; then echo armv5e;
3792 elif check_arm_arch 5T; then echo armv5t;
3793 elif check_arm_arch 5TE; then echo armv5te;
3794 elif check_arm_arch 5TEJ; then echo armv5te;
3795 elif check_arm_arch 6; then echo armv6;
3796 elif check_arm_arch 6J; then echo armv6j;
3797 elif check_arm_arch 6K; then echo armv6k;
3798 elif check_arm_arch 6Z; then echo armv6z;
3799 elif check_arm_arch 6ZK; then echo armv6zk;
3800 elif check_arm_arch 6T2; then echo armv6t2;
3801 elif check_arm_arch 7; then echo armv7;
3802 elif check_arm_arch 7A 7_A; then echo armv7-a;
3803 elif check_arm_arch 7S; then echo armv7-a;
3804 elif check_arm_arch 7R 7_R; then echo armv7-r;
3805 elif check_arm_arch 7M 7_M; then echo armv7-m;
3806 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3807 elif check_arm_arch 8A 8_A; then echo armv8-a;
3811 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3815 cpuflags="-march=$cpu"
3816 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3819 cpuflags="-mcpu=$cpu"
3821 cortex-a*) subarch=armv7a ;;
3822 cortex-r*) subarch=armv7r ;;
3823 cortex-m*) enable thumb; subarch=armv7m ;;
3824 arm11*) subarch=armv6 ;;
3825 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3826 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3827 *) subarch=$(probe_arm_arch) ;;
3833 armv5t*) enable fast_clz ;;
3836 disabled fast_unaligned || enable fast_unaligned
3840 elif enabled avr32; then
3845 cpuflags="-mpart=$cpu"
3849 cpuflags="-march=$cpu"
3853 cpuflags="-mcpu=$cpu"
3857 cpuflags="-march=$cpu"
3861 elif enabled bfin; then
3863 cpuflags="-mcpu=$cpu"
3865 elif enabled mips; then
3867 cpuflags="-march=$cpu"
3892 24kef*|34kf*|1004kf*)
3914 check_cflags "-mtune=p5600"
3922 check_cflags "-mtune=i6400 -mabi=64"
3923 check_ldflags "-mabi=64"
3933 enable local_aligned_8 local_aligned_16
3934 enable simd_align_16
3938 enable fast_unaligned
3939 disable aligned_stack
3940 cpuflags="-march=loongson3a -mhard-float"
3949 elif enabled ppc; then
3954 case $(tolower $cpu) in
3955 601|ppc601|powerpc601)
3956 cpuflags="-mcpu=601"
3959 603*|ppc603*|powerpc603*)
3960 cpuflags="-mcpu=603"
3963 604*|ppc604*|powerpc604*)
3964 cpuflags="-mcpu=604"
3967 g3|75*|ppc75*|powerpc75*)
3968 cpuflags="-mcpu=750"
3971 g4|745*|ppc745*|powerpc745*)
3972 cpuflags="-mcpu=7450"
3974 74*|ppc74*|powerpc74*)
3975 cpuflags="-mcpu=7400"
3977 g5|970|ppc970|powerpc970)
3978 cpuflags="-mcpu=970"
3981 cpuflags="-mcpu=$cpu"
3984 cpuflags="-mcpu=cell"
3988 cpuflags="-mcpu=e500mc"
3992 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3997 cpuflags="-mcpu=8540 -mhard-float"
4003 elif enabled sparc; then
4006 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4007 cpuflags="-mcpu=$cpu"
4009 ultrasparc*|niagara[234])
4010 cpuflags="-mcpu=$cpu"
4014 elif enabled x86; then
4018 cpuflags="-march=$cpu"
4022 # targets that do NOT support nopl and conditional mov (cmov)
4023 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4024 cpuflags="-march=$cpu"
4027 # targets that do support nopl and conditional mov (cmov)
4028 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4029 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)
4030 cpuflags="-march=$cpu"
4034 # targets that do support conditional mov but on which it's slow
4035 pentium4|pentium4m|prescott|nocona)
4036 cpuflags="-march=$cpu"
4044 if [ "$cpu" != generic ]; then
4045 add_cflags $cpuflags
4046 add_asflags $cpuflags
4049 # compiler sanity check
4051 int main(void){ return 0; }
4053 if test "$?" != 0; then
4054 echo "$cc is unable to create an executable file."
4055 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4056 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4057 echo "Only do this if you know what cross compiling means."
4059 die "C compiler test failed."
4062 add_cppflags -D_ISOC99_SOURCE
4063 add_cxxflags -D__STDC_CONSTANT_MACROS
4064 check_cflags -std=c99
4065 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
4068 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
4072 add_host_cppflags -D_ISOC99_SOURCE
4073 check_host_cflags -std=c99
4074 check_host_cflags -Wall
4075 check_host_cflags -O3
4081 check_code cc "" "int test[2*($expr) - 1]" &&
4082 subarch=$arch64 || subarch=$arch32
4090 check_64bit mips mips64 '_MIPS_SIM > 1'
4094 check_64bit parisc parisc64 'sizeof(void *) > 4'
4098 check_64bit ppc ppc64 'sizeof(void *) > 4'
4102 check_64bit s390 s390x 'sizeof(void *) > 4'
4106 check_64bit sparc sparc64 'sizeof(void *) > 4'
4110 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4111 # Treat x32 as x64 for now. Note it also needs spic=$shared
4112 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4114 if test "$subarch" = "x86_64"; then
4119 check_cc <<EOF && subarch="ppc64"
4120 int test[(int)sizeof(char*) - 7];
4126 enabled spic && enable_weak pic
4132 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4133 enabled shared && add_ldflags -Wl,-brtl
4137 enable section_data_rel_ro
4138 SLIB_INSTALL_NAME='$(SLIBNAME)'
4140 # soname not set on purpose
4144 prefix_default="/boot/common"
4145 network_extralibs="-lnetwork"
4149 SHFLAGS='-shared -Wl,-h,$$(@F)'
4150 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
4151 network_extralibs="-lsocket -lnsl"
4152 add_cppflags -D__EXTENSIONS__
4153 # When using suncc to build, the Solaris linker will mark
4154 # an executable with each instruction set encountered by
4155 # the Solaris assembler. As our libraries contain their own
4156 # guards for processor-specific code, instead suppress
4157 # generation of the HWCAPS ELF section on Solaris x86 only.
4158 enabled_all suncc x86 &&
4159 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4160 add_ldflags -Wl,-M,mapfile
4161 nm_default='nm -P -g'
4165 oss_indev_extralibs="-lossaudio"
4166 oss_outdev_extralibs="-lossaudio"
4167 enabled gcc || check_ldflags -Wl,-zmuldefs
4172 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4174 oss_indev_extralibs="-lossaudio"
4175 oss_outdev_extralibs="-lossaudio"
4183 add_extralibs -lpoll -lgnugetopt
4187 enabled ppc && add_asflags -force_cpusubtype_ALL
4188 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4189 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4191 add_ldflags -Wl,-dynamic,-search_paths_first
4193 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4194 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4196 enabled x86_64 && objformat="macho64"
4197 enabled_any pic shared x86_64 ||
4198 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4201 if test $target_os = "mingw32ce"; then
4207 if enabled x86_64; then
4208 LIBTARGET="i386:x86-64"
4209 elif enabled arm; then
4212 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4213 check_ldflags -Wl,--nxcompat
4214 check_ldflags -Wl,--dynamicbase
4215 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4216 shlibdir_default="$bindir_default"
4219 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4220 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4221 dlltool="${cross_prefix}dlltool"
4222 if check_cmd lib.exe -list; then
4223 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4224 if enabled x86_64; then
4227 elif check_cmd $dlltool --version; then
4228 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4230 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4232 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4233 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4234 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
4241 if enabled shared; then
4242 # Link to the import library instead of the normal static library
4245 # Cannot build both shared and static libs with MSVC or icl.
4248 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
4249 shlibdir_default="$bindir_default"
4252 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4253 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4254 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4255 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4257 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4258 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4259 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4266 shlibdir_default="$bindir_default"
4269 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4270 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4271 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4273 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4274 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4277 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4279 *-dos|freedos|opendos)
4280 network_extralibs="-lsocket"
4283 add_cppflags -U__STRICT_ANSI__
4287 enable section_data_rel_ro
4291 ranlib="echo ignoring ranlib"
4297 add_cppflags -D_GNU_SOURCE
4298 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4299 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4303 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4304 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4305 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4306 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4307 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4308 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4309 emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'
4310 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4311 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4312 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4314 enable_weak os2threads
4317 add_cppflags -D_BSD_SOURCE
4322 add_cppflags -D_QNX_SOURCE
4323 network_extralibs="-lsocket"
4328 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4329 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4330 add_ldflags -Wl,--target1-abs,--no-undefined \
4331 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4332 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4333 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4334 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4335 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4338 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4343 add_cppflags -D_C99_SNPRINTF_EXTENSION \
4344 -D_REENTRANT_SOURCE \
4345 -D_RESEARCH_SOURCE \
4348 add_compat strtod.o strtod=avpriv_strtod
4349 network_extralibs='-lbsd'
4350 exeobjs=compat/plan9/main.o
4357 die "Unknown OS '$target_os'."
4361 # determine libc flavour
4366 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4367 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4368 eval ${pfx}libc_type=uclibc
4369 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4370 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4371 eval ${pfx}libc_type=glibc
4372 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4373 # MinGW headers can be installed on Cygwin, so check for newlib first.
4374 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4375 eval ${pfx}libc_type=newlib
4376 add_${pfx}cppflags -U__STRICT_ANSI__
4377 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4378 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4379 eval ${pfx}libc_type=mingw64
4380 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
4381 add_compat msvcrt/snprintf.o
4382 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
4384 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4385 eval test \$${pfx_no_}cc_type = "gcc" &&
4386 add_${pfx}cppflags -D__printf__=__gnu_printf__
4387 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4388 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4389 eval ${pfx}libc_type=mingw32
4390 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4391 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4392 die "ERROR: MinGW32 runtime version must be >= 3.15."
4393 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4394 eval test \$${pfx_no_}cc_type = "gcc" &&
4395 add_${pfx}cppflags -D__printf__=__gnu_printf__
4396 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4397 eval ${pfx}libc_type=msvcrt
4398 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4399 # 0x601 by default unless something else is set by the user.
4400 # This can easily lead to us detecting functions only present
4401 # in such new versions and producing binaries requiring windows 7.0.
4402 # Therefore explicitly set the default to XP unless the user has
4403 # set something else on the command line.
4404 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4405 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
4406 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4407 eval ${pfx}libc_type=klibc
4408 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4409 eval ${pfx}libc_type=bionic
4410 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4411 eval ${pfx}libc_type=solaris
4412 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4414 check_${pfx}cc <<EOF
4416 void *v = localtime_r;
4418 test "$?" != 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
4420 void *v = localtime_r;
4426 test -n "$libc_type" && enable libc_$libc_type
4428 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4432 add_compat strtod.o strtod=avpriv_strtod
4435 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -le 18 ]; then
4436 add_compat strtod.o strtod=avpriv_strtod
4437 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4438 _snprintf=avpriv_snprintf \
4439 vsnprintf=avpriv_vsnprintf
4444 # hacks for compiler/libc/os combinations
4446 if enabled_all tms470 libc_glibc; then
4447 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4448 add_cppflags -D__USER_LABEL_PREFIX__=
4449 add_cppflags -D__builtin_memset=memset
4450 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4451 add_cflags -pds=48 # incompatible redefinition of macro
4454 if enabled_all ccc libc_glibc; then
4455 add_ldflags -Wl,-z,now # calls to libots crash without this
4458 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4459 add_cppflags '-I\$(SRC_PATH)/compat/float'
4462 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4465 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
4467 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4470 : ${shlibdir_default:="$libdir"}
4472 set_default $PATHS_LIST
4475 # we need to build at least one lib type
4476 if ! enabled_any static shared; then
4478 At least one library type must be built.
4479 Specify --enable-static to build the static libraries or --enable-shared to
4480 build the shared libraries as well. To only build the shared libraries specify
4481 --disable-static in addition to --enable-shared.
4486 die_license_disabled() {
4487 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
4490 die_license_disabled_gpl() {
4491 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
4494 die_license_disabled gpl frei0r
4495 die_license_disabled gpl libcdio
4496 die_license_disabled gpl libsmbclient
4497 die_license_disabled gpl libutvideo
4498 die_license_disabled gpl libvidstab
4499 die_license_disabled gpl libx264
4500 die_license_disabled gpl libx265
4501 die_license_disabled gpl libxavs
4502 die_license_disabled gpl libxvid
4503 die_license_disabled gpl libzvbi
4504 die_license_disabled gpl x11grab
4506 die_license_disabled nonfree libaacplus
4507 die_license_disabled nonfree libfaac
4508 die_license_disabled nonfree nvenc
4509 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
4510 enabled gpl && die_license_disabled_gpl nonfree openssl
4512 die_license_disabled version3 libopencore_amrnb
4513 die_license_disabled version3 libopencore_amrwb
4514 die_license_disabled version3 libsmbclient
4515 die_license_disabled version3 libvo_aacenc
4516 die_license_disabled version3 libvo_amrwbenc
4518 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4520 disabled optimizations || check_cflags -fomit-frame-pointer
4523 disabled pic && return
4526 case "$target_os" in
4536 enabled pic && enable_weak_pic
4538 check_cc <<EOF || die "Symbol mangling check failed."
4541 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4542 extern_prefix=${sym%%ff_extern*}
4544 check_cc <<EOF && enable_weak inline_asm
4545 void foo(void) { __asm__ volatile ("" ::); }
4549 for restrict_keyword in restrict __restrict__ __restrict; do
4550 check_cc <<EOF && _restrict=$restrict_keyword && break
4551 void foo(char * $restrict_keyword p);
4555 check_cc <<EOF && enable pragma_deprecated
4556 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4559 check_cc <<EOF && enable attribute_packed
4560 struct { int x; } __attribute__((packed)) x;
4563 check_cc <<EOF && enable attribute_may_alias
4564 union { int x; } __attribute__((may_alias)) x;
4567 check_cc <<EOF || die "endian test failed"
4568 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4570 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4572 if [ "$cpu" = "power7" ] || [ "$cpu" = "power8" ] || enabled ppc64; then
4573 if ! enabled bigendian && enabled altivec ;then
4579 log "check_gas using '$as' as AS"
4580 # :vararg is used on aarch64, arm and ppc altivec
4581 check_as <<EOF || return 1
4582 .macro m n, y:vararg=0
4587 # .altmacro is only used in arm asm
4588 ! enabled arm || check_as <<EOF || return 1
4595 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
4597 enabled_any arm aarch64 && nogas=die
4598 enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn
4602 arm*) gaspp_as_type=armasm; as_noop=-h ;;
4603 gcc) gaspp_as_type=gas ;;
4604 *) gaspp_as_type=$as_type ;;
4607 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
4609 test "${as#*gas-preprocessor.pl}" != "$as" ||
4610 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&
4611 gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"
4613 if ! check_gas ; then
4616 $nogas "GNU assembler not found, install/update gas-preprocessor"
4619 check_as <<EOF && enable as_func
4625 check_inline_asm inline_asm_labels '"1:\n"'
4627 check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'
4629 if enabled aarch64; then
4630 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
4631 # internal assembler in clang 3.3 does not support this instruction
4632 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
4633 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
4635 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4637 elif enabled alpha; then
4641 elif enabled arm; then
4643 check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb
4644 float func(float a, float b){ return a+b; }
4647 enabled thumb && check_cflags -mthumb || check_cflags -marm
4649 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4651 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
4652 case "${cross_prefix:-$cc}" in
4653 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4654 *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4655 __asm__ (".eabi_attribute 28, 1");
4656 int main(void) { return 0; }
4659 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4662 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4663 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4664 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4665 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4666 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4667 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4668 enabled setend && check_insn setend 'setend be'
4670 [ $target_os = linux ] || [ $target_os = android ] ||
4671 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4674 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4676 check_as <<EOF && enable as_dn_directive
4681 # llvm's integrated assembler supports .object_arch from llvm 3.5
4682 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
4686 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4688 elif enabled mips; then
4690 # Enable minimum ISA based on selected options
4691 if enabled mips64 && (enabled mipsdspr1 || enabled mipsdspr2); then
4692 add_cflags "-mips64r2"
4693 add_asflags "-mips64r2"
4694 elif enabled mips64 && enabled mipsfpu && disabled loongson3; then
4695 add_cflags "-mips64"
4696 add_asflags "-mips64"
4697 elif enabled mipsdspr1 || enabled mipsdspr2; then
4698 add_cflags "-mips32r2 -mfp32"
4699 add_asflags "-mips32r2 -mfp32"
4700 elif enabled mips32r5 || enabled mips64r6; then
4701 check_cflags "-mfp64"
4702 check_ldflags "-mfp64"
4705 enabled mips32r5 && check_cflags "-mips32r5 -msched-weight -mload-store-pairs -funroll-loops" &&
4706 check_ldflags "-mips32r5" &&
4707 check_inline_asm mips32r5 '"ulw $t0, ($t1)"'
4708 enabled mips64r6 && check_cflags "-mips64r6 -msched-weight -mload-store-pairs -funroll-loops" &&
4709 check_ldflags "-mips64r6" &&
4710 check_inline_asm mips64r6 '"aui $t0, $t1, 1"'
4711 enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
4712 check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
4713 enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
4714 check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
4715 enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" &&
4716 check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"'
4717 enabled msa && check_cflags "-mmsa" && check_ldflags "-mmsa" &&
4718 check_inline_asm msa '"addvi.b $w0, $w1, 1"'
4719 enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'
4721 enabled mips32r5 && add_asflags "-mips32r5 -mfp64"
4722 enabled mips64r6 && add_asflags "-mips64r6 -mfp64"
4723 enabled msa && add_asflags "-mmsa"
4725 elif enabled parisc; then
4727 if enabled gcc; then
4728 case $($cc -dumpversion) in
4729 4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;
4733 elif enabled ppc; then
4735 enable local_aligned_8 local_aligned_16 local_aligned_32
4737 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4738 check_inline_asm ibm_asm '"add 0, 0, 0"'
4739 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4740 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4742 # AltiVec flags: The FSF version of GCC differs from the Apple version
4743 if enabled altivec; then
4744 check_cflags -maltivec -mabi=altivec &&
4745 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4746 check_cflags -faltivec
4748 # check if our compiler supports Motorola AltiVec C API
4749 check_cc <<EOF || disable altivec
4752 vector signed int v1 = (vector signed int) { 0 };
4753 vector signed int v2 = (vector signed int) { 1 };
4754 v1 = vec_add(v1, v2);
4759 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4762 if enabled vsx; then
4765 elif enabled x86; then
4767 check_builtin rdtsc intrin.h "__rdtsc()"
4768 check_builtin mm_empty mmintrin.h "_mm_empty()"
4770 enable local_aligned_8 local_aligned_16 local_aligned_32
4772 # check whether EBP is available on x86
4773 # As 'i' is stored on the stack, this program will crash
4774 # if the base pointer is used to access it because the
4775 # base pointer is cleared in the inline assembly code.
4776 check_exec_crash <<EOF && enable ebp_available
4778 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4782 # check whether EBX is available on x86
4783 check_inline_asm ebx_available '""::"b"(0)' &&
4784 check_inline_asm ebx_available '"":::"%ebx"'
4786 # check whether xmm clobbers are supported
4787 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4789 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||
4790 check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'
4792 # check whether binutils is new enough to compile SSSE3/MMXEXT
4793 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4794 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4796 if ! disabled_any asm mmx yasm; then
4797 if check_cmd $yasmexe --version; then
4798 enabled x86_64 && yasm_extra="-m amd64"
4799 yasm_debug="-g dwarf2"
4800 elif check_cmd nasm -v; then
4802 yasm_debug="-g -F dwarf"
4803 if enabled x86_64; then
4804 case "$objformat" in
4805 elf) objformat=elf64 ;;
4806 win32) objformat=win64 ;;
4811 YASMFLAGS="-f $objformat $yasm_extra"
4812 enabled pic && append YASMFLAGS "-DPIC"
4813 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4814 case "$objformat" in
4815 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4818 check_yasm "movbe ecx, [5]" && enable yasm ||
4819 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4820 check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
4821 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
4822 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4823 check_yasm "CPU amdnop" || disable cpunop
4827 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4834 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
4836 check_ldflags -Wl,--as-needed
4837 check_ldflags -Wl,-z,noexecstack
4839 if check_func dlopen; then
4841 elif check_func dlopen -ldl; then
4845 frei0r_filter_extralibs='$ldl'
4846 frei0r_src_filter_extralibs='$ldl'
4847 ladspa_filter_extralibs='$ldl'
4848 nvenc_encoder_extralibs='$ldl'
4850 if ! disabled network; then
4851 check_func getaddrinfo $network_extralibs
4852 check_func getservbyport $network_extralibs
4853 check_func inet_aton $network_extralibs
4855 check_type netdb.h "struct addrinfo"
4856 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4857 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4858 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4859 check_type poll.h "struct pollfd"
4860 check_type netinet/sctp.h "struct sctp_event_subscribe"
4861 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4862 check_type netinet/in.h "struct sockaddr_in6"
4863 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4864 check_type "sys/types.h sys/socket.h" socklen_t
4866 # Prefer arpa/inet.h over winsock2
4867 if check_header arpa/inet.h ; then
4868 check_func closesocket
4869 elif check_header winsock2.h ; then
4870 check_func_headers winsock2.h closesocket -lws2 &&
4871 network_extralibs="-lws2" ||
4872 { check_func_headers winsock2.h closesocket -lws2_32 &&
4873 network_extralibs="-lws2_32"; } || disable winsock2_h network
4874 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4876 check_type ws2tcpip.h socklen_t
4877 check_type ws2tcpip.h "struct addrinfo"
4878 check_type ws2tcpip.h "struct group_source_req"
4879 check_type ws2tcpip.h "struct ip_mreq_source"
4880 check_type ws2tcpip.h "struct ipv6_mreq"
4881 check_type winsock2.h "struct pollfd"
4882 check_struct winsock2.h "struct sockaddr" sa_len
4883 check_type ws2tcpip.h "struct sockaddr_in6"
4884 check_type ws2tcpip.h "struct sockaddr_storage"
4890 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4891 check_builtin atomic_compare_exchange "" "int *ptr, *oldval; int newval; __atomic_compare_exchange_n(ptr, oldval, newval, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)"
4892 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4893 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4894 check_builtin sarestart signal.h "SA_RESTART"
4895 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4897 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4898 check_func ${malloc_prefix}memalign && enable memalign
4899 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4902 check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
4905 check_func gethrtime
4907 check_func getrusage
4908 check_func gettimeofday
4911 check_func localtime_r
4912 check_func mach_absolute_time
4916 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4917 check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
4918 check_func sched_getaffinity
4919 check_func setrlimit
4920 check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE
4921 check_func strerror_r
4926 check_func_headers conio.h kbhit
4927 check_func_headers io.h setmode
4928 check_func_headers lzo/lzo1x.h lzo1x_999_compress
4929 check_func_headers stdlib.h getenv
4931 check_func_headers windows.h CoTaskMemFree -lole32
4932 check_func_headers windows.h GetProcessAffinityMask
4933 check_func_headers windows.h GetProcessTimes
4934 check_func_headers windows.h GetSystemTimeAsFileTime
4935 check_func_headers windows.h MapViewOfFile
4936 check_func_headers windows.h PeekNamedPipe
4937 check_func_headers windows.h SetConsoleTextAttribute
4938 check_func_headers windows.h Sleep
4939 check_func_headers windows.h VirtualAlloc
4940 check_struct windows.h "CONDITION_VARIABLE" Ptr
4941 check_func_headers glob.h glob
4943 check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext
4945 check_header direct.h
4946 check_header dlfcn.h
4948 check_header dxva2api.h -D_WIN32_WINNT=0x0600
4950 check_header libcrystalhd/libcrystalhd_if.h
4951 check_header mach/mach_time.h
4952 check_header malloc.h
4953 check_header net/udplite.h
4955 check_header sys/mman.h
4956 check_header sys/param.h
4957 check_header sys/resource.h
4958 check_header sys/select.h
4959 check_header sys/time.h
4960 check_header sys/un.h
4961 check_header termios.h
4962 check_header unistd.h
4963 check_header valgrind/valgrind.h
4964 check_header vdpau/vdpau.h
4965 check_header vdpau/vdpau_x11.h
4966 check_header VideoDecodeAcceleration/VDADecoder.h
4967 check_header windows.h
4968 check_header X11/extensions/XvMClib.h
4969 check_header asm/types.h
4971 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4972 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4973 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4975 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4977 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC"
4979 if ! disabled w32threads && ! enabled pthreads; then
4980 check_func_headers "windows.h process.h" _beginthreadex &&
4981 enable w32threads || disable w32threads
4984 # check for some common methods of building with pthread support
4985 # do this before the optional library checks as some of them require pthreads
4986 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
4988 if check_func pthread_join -pthread && check_func pthread_create -pthread; then
4990 add_extralibs -pthread
4991 elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then
4992 add_cflags -pthreads
4993 add_extralibs -pthreads
4994 elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then
4995 add_cflags -ldl -pthread
4996 add_extralibs -ldl -pthread
4997 elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then
4998 add_extralibs -lpthreadGC2
4999 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then
5001 elif ! check_func pthread_join && ! check_func pthread_create; then
5004 check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
5008 if enabled pthreads; then
5009 check_func pthread_cancel
5012 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
5013 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
5014 disabled lzma || check_lib2 lzma.h lzma_version_number -llzma || disable lzma
5016 check_lib math.h sin -lm && LIBM="-lm"
5017 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
5023 for func in $MATH_FUNCS; do
5024 eval check_mathfunc $func \${${func}_args:-1}
5027 # these are off by default, so fail if requested and not available
5028 enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; }
5029 enabled avfoundation_indev && { check_lib2 CoreGraphics/CoreGraphics.h CGGetActiveDisplayList -framework CoreGraphics ||
5030 check_lib2 ApplicationServices/ApplicationServices.h CGGetActiveDisplayList -framework ApplicationServices; }
5031 enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } ||
5032 { check_lib2 "dlfcn.h" dlopen -ldl; } ||
5033 die "ERROR: LoadLibrary/dlopen not found for avisynth"; }
5034 enabled decklink && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; }
5035 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
5036 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
5037 enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; }
5038 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
5039 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
5040 enabled libass && require_pkg_config libass ass/ass.h ass_library_init
5041 enabled libbluray && require_pkg_config libbluray libbluray/bluray.h bd_open
5042 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
5043 enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 &&
5044 { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
5045 die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
5046 enabled libcaca && require_pkg_config caca caca.h caca_create_canvas
5047 enabled libdcadec && require_pkg_config dcadec libdcadec/dca_context.h dcadec_context_create
5048 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
5049 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
5050 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"
5051 enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs
5052 enabled fontconfig && enable libfontconfig
5053 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
5054 enabled libfreetype && require_libfreetype
5055 enabled libfribidi && require_pkg_config fribidi fribidi.h fribidi_version_info
5056 enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++
5057 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
5058 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
5059 done || die "ERROR: libgsm not found"; }
5060 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
5061 enabled libmfx && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit
5062 enabled libmodplug && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load
5063 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
5064 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
5065 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
5066 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
5067 enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
5068 enabled libopenh264 && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion
5069 enabled libopenjpeg && { check_lib openjpeg.h opj_version -lopenmj2 -DOPJ_STATIC ||
5070 check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
5071 check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
5072 die "ERROR: libopenjpeg not found"; }
5073 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
5074 enabled libpulse && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new
5075 enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init
5076 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
5077 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
5078 enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer
5079 enabled libsmbclient && { use_pkg_config smbclient libsmbclient.h smbc_init ||
5080 require smbclient libsmbclient.h smbc_init -lsmbclient; }
5081 enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
5082 enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init
5083 enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
5084 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
5085 media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
5086 media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
5087 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
5088 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
5089 { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
5090 die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
5091 enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
5092 enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
5093 enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
5094 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
5095 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
5096 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
5098 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
5099 die "ERROR: libvpx decoder version must be >=0.9.1"; }
5100 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 ||
5101 die "ERROR: libvpx encoder version must be >=0.9.7"; }
5102 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
5103 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; } }
5104 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
5105 enabled libwebp && require_pkg_config "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion
5106 enabled libx264 && { use_pkg_config x264 "stdint.h x264.h" x264_encoder_encode ||
5107 { require libx264 x264.h x264_encoder_encode -lx264 &&
5108 warn "using libx264 without pkg-config"; } } &&
5109 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
5110 die "ERROR: libx264 must be installed and version must be >= 0.118."; }
5111 enabled libx265 && require_pkg_config x265 x265.h x265_encoder_encode &&
5112 { check_cpp_condition x265.h "X265_BUILD >= 57" ||
5113 die "ERROR: libx265 version must be >= 57."; }
5114 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
5115 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
5116 enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new
5117 enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi
5118 enabled mmal && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
5119 { ! enabled cross_compile && {
5120 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;
5121 add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;
5122 check_lib interface/mmal/mmal.h mmal_port_connect ; }
5123 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||
5124 die "ERROR: mmal not found"; }
5125 enabled nvenc && { check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."; } &&
5126 { check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" ||
5127 die "ERROR: NVENC API version 4 or older is not supported"; } &&
5128 { [ $target_os != cygwin ] || die "ERROR: NVENC is not supported on Cygwin currently."; }
5129 enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
5130 check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
5131 die "ERROR: openal not found"; } &&
5132 { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
5133 die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
5134 enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||
5135 check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||
5136 die "ERROR: opencl not found"; } &&
5137 { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||
5138 check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||
5139 die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }
5140 enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" ||
5141 check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||
5142 check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||
5143 check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||
5144 die "ERROR: opengl not found."
5146 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
5147 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
5148 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
5149 die "ERROR: openssl not found"; }
5150 enabled qtkit_indev && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; }
5152 if enabled gnutls; then
5153 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
5154 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
5158 if enabled libdc1394; then
5159 { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&
5160 enable libdc1394_2; } ||
5161 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
5162 enable libdc1394_1; } ||
5163 die "ERROR: No version of libdc1394 found "
5165 if ! disabled sdl; then
5166 SDL_CONFIG="${cross_prefix}sdl-config"
5167 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
5168 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5169 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5172 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5173 sdl_cflags=$("${SDL_CONFIG}" --cflags)
5174 sdl_libs=$("${SDL_CONFIG}" --libs)
5175 check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
5176 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
5177 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
5179 elif enabled sdl ; then
5180 die "ERROR: SDL not found"
5186 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
5188 makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo
5189 enabled makeinfo && (makeinfo --version | \
5190 grep -q 'makeinfo (GNU texinfo) 5' > /dev/null 2>&1) \
5191 && enable makeinfo_html || disable makeinfo_html
5192 disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
5193 perl -v > /dev/null 2>&1 && enable perl || disable perl
5194 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
5195 rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout
5197 check_header linux/fb.h
5198 check_header linux/videodev.h
5199 check_header linux/videodev2.h
5200 check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5202 check_header sys/videoio.h
5203 check_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete
5205 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
5206 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
5207 # w32api 3.12 had it defined wrong
5208 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
5210 check_type "dshow.h" IBaseFilter
5212 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
5213 { check_header dev/bktr/ioctl_meteor.h &&
5214 check_header dev/bktr/ioctl_bt848.h; } ||
5215 { check_header machine/ioctl_meteor.h &&
5216 check_header machine/ioctl_bt848.h; } ||
5217 { check_header dev/video/meteor/ioctl_meteor.h &&
5218 check_header dev/video/bktr/ioctl_bt848.h; } ||
5219 check_header dev/ic/bt8xx.h
5221 check_header sndio.h
5222 if check_struct sys/soundcard.h audio_buf_info bytes; then
5223 enable_safe sys/soundcard.h
5225 check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
5226 #include <sys/soundcard.h>
5230 check_header soundcard.h
5232 enabled_any alsa_indev alsa_outdev &&
5233 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
5235 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
5236 check_func jack_port_get_latency_range -ljack
5238 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
5240 if enabled libcdio; then
5241 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5242 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
5243 die "ERROR: No usable libcdio/cdparanoia found"
5247 check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib
5249 if ! disabled libxcb; then
5250 check_pkg_config "xcb >= 1.4" xcb/xcb.h xcb_connect || {
5251 enabled libxcb && die "ERROR: libxcb >= 1.4 not found";
5252 } && disable x11grab && enable libxcb
5254 if enabled libxcb; then
5255 disabled libxcb_shm || {
5256 check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {
5257 enabled libxcb_shm && die "ERROR: libxcb_shm not found";
5258 } && check_header sys/shm.h && enable libxcb_shm; }
5260 disabled libxcb_xfixes || {
5261 check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {
5262 enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";
5263 } && enable libxcb_xfixes; }
5265 disabled libxcb_shape || {
5266 check_pkg_config xcb-shape xcb/shape.h xcb_shape_get_rectangles || {
5267 enabled libxcb_shape && die "ERROR: libxcb_shape not found";
5268 } && enable libxcb_shape; }
5270 add_cflags $xcb_cflags $xcb_shm_cflags $xcb_xfixes_cflags $xcb_shape_cflags
5271 add_extralibs $xcb_libs $xcb_shm_libs $xcb_xfixes_libs $xcb_shape_libs
5275 if enabled x11grab; then
5276 enabled xlib || die "ERROR: Xlib not found"
5277 require Xext X11/extensions/XShm.h XShmCreateImage -lXext
5278 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
5281 check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"
5283 enabled dxva2api_h &&
5284 check_cc <<EOF && enable dxva2api_cobj
5285 #define _WIN32_WINNT 0x0600
5287 #include <windows.h>
5289 #include <dxva2api.h>
5290 int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; }
5294 check_lib va/va.h vaInitialize -lva ||
5297 enabled vaapi && enabled xlib &&
5298 check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&
5302 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
5305 enabled vdpau && enabled xlib &&
5306 check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
5307 prepend ffmpeg_libs $($ldflags_filter "-lvdpau") &&
5310 # Funny iconv installations are not unusual, so check it after all flags have been set
5311 disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv
5313 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
5315 # add some useful compiler flags if supported
5316 check_cflags -Wdeclaration-after-statement
5318 check_cflags -Wdisabled-optimization
5319 check_cflags -Wpointer-arith
5320 check_cflags -Wredundant-decls
5321 check_cflags -Wwrite-strings
5322 check_cflags -Wtype-limits
5323 check_cflags -Wundef
5324 check_cflags -Wmissing-prototypes
5325 check_cflags -Wno-pointer-to-int-cast
5326 check_cflags -Wstrict-prototypes
5327 check_cflags -Wempty-body
5328 enabled extra_warnings && check_cflags -Winline
5330 check_disable_warning(){
5331 warning_flag=-W${1#-Wno-}
5332 test_cflags $warning_flag && add_cflags $1
5335 check_disable_warning -Wno-parentheses
5336 check_disable_warning -Wno-switch
5337 check_disable_warning -Wno-format-zero-length
5338 check_disable_warning -Wno-pointer-sign
5340 # add some linker flags
5341 check_ldflags -Wl,--warn-common
5342 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
5343 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir
5344 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
5346 # add some strip flags
5347 # -wN '..@*' is more selective than -x, but not available everywhere.
5348 check_stripflags -wN \'..@*\' || check_stripflags -x
5350 enabled neon_clobber_test &&
5351 check_ldflags -Wl,--wrap,avcodec_open2 \
5352 -Wl,--wrap,avcodec_decode_audio4 \
5353 -Wl,--wrap,avcodec_decode_video2 \
5354 -Wl,--wrap,avcodec_decode_subtitle2 \
5355 -Wl,--wrap,avcodec_encode_audio2 \
5356 -Wl,--wrap,avcodec_encode_video2 \
5357 -Wl,--wrap,avcodec_encode_subtitle \
5358 -Wl,--wrap,swr_convert \
5359 -Wl,--wrap,avresample_convert ||
5360 disable neon_clobber_test
5362 enabled xmm_clobber_test &&
5363 check_ldflags -Wl,--wrap,avcodec_open2 \
5364 -Wl,--wrap,avcodec_decode_audio4 \
5365 -Wl,--wrap,avcodec_decode_video2 \
5366 -Wl,--wrap,avcodec_decode_subtitle2 \
5367 -Wl,--wrap,avcodec_encode_audio2 \
5368 -Wl,--wrap,avcodec_encode_video \
5369 -Wl,--wrap,avcodec_encode_video2 \
5370 -Wl,--wrap,avcodec_encode_subtitle \
5371 -Wl,--wrap,swr_convert \
5372 -Wl,--wrap,avresample_convert \
5373 -Wl,--wrap,sws_scale ||
5374 disable xmm_clobber_test
5377 if test_ldflags -Wl,--version-script,$TMPV; then
5378 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
5379 check_cc <<EOF && enable symver_asm_label
5380 void ff_foo(void) __asm__ ("av_foo@VERSION");
5381 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
5383 check_cc <<EOF && enable symver_gnu_asm
5384 __asm__(".symver ff_foo,av_foo@VERSION");
5385 void ff_foo(void) {}
5389 if [ -z "$optflags" ]; then
5390 if enabled small; then
5391 optflags=$cflags_size
5392 elif enabled optimizations; then
5393 optflags=$cflags_speed
5395 optflags=$cflags_noopt
5401 enabled lto && check_ldflags "$@"
5405 if enabled lto; then
5406 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
5408 check_ldflags -flto $cpuflags
5409 disable inline_asm_direct_symbol_refs
5412 check_optflags $optflags
5413 check_optflags -fno-math-errno
5414 check_optflags -fno-signed-zeros
5416 enabled ftrapv && check_cflags -ftrapv
5418 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
5423 if enabled icc; then
5424 # Just warnings, no remarks
5426 # -wd: Disable following warnings
5427 # 144, 167, 556: -Wno-pointer-sign
5428 # 188: enumerated type mixed with another type
5429 # 1292: attribute "foo" ignored
5430 # 1419: external declaration in primary source file
5431 # 10006: ignoring unknown option -fno-signed-zeros
5432 # 10148: ignoring unknown option -Wno-parentheses
5433 # 10156: ignoring option '-W'; no argument required
5434 # 13200: No EMMS instruction before call to function
5435 # 13203: No EMMS instruction before return from function
5436 check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203
5437 # 11030: Warning unknown option --as-needed
5438 # 10156: ignoring option '-export'; no argument required
5439 check_ldflags -wd10156,11030
5440 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
5441 enable ebp_available
5442 # The test above does not test linking
5443 enabled lto && disable symver_asm_label
5444 if enabled x86_32; then
5445 icc_version=$($cc -dumpversion)
5446 test ${icc_version%%.*} -ge 11 &&
5447 check_cflags -falign-stack=maintain-16-byte ||
5448 disable aligned_stack
5450 elif enabled ccc; then
5451 # disable some annoying warnings
5452 add_cflags -msg_disable bitnotint
5453 add_cflags -msg_disable mixfuncvoid
5454 add_cflags -msg_disable nonstandcast
5455 add_cflags -msg_disable unsupieee
5456 elif enabled gcc; then
5457 check_optflags -fno-tree-vectorize
5458 check_cflags -Werror=format-security
5459 check_cflags -Werror=implicit-function-declaration
5460 check_cflags -Werror=missing-prototypes
5461 check_cflags -Werror=return-type
5462 check_cflags -Werror=vla
5463 check_cflags -Wformat
5464 check_cflags -fdiagnostics-color=auto
5465 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
5466 elif enabled llvm_gcc; then
5467 check_cflags -mllvm -stack-alignment=16
5468 elif enabled clang; then
5469 check_cflags -mllvm -stack-alignment=16
5470 check_cflags -Qunused-arguments
5471 check_cflags -Werror=implicit-function-declaration
5472 check_cflags -Werror=missing-prototypes
5473 check_cflags -Werror=return-type
5474 elif enabled cparser; then
5475 add_cflags -Wno-missing-variable-declarations
5476 add_cflags -Wno-empty-statement
5477 elif enabled armcc; then
5478 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
5479 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
5480 # 2523: use of inline assembly is deprecated
5481 add_cflags -W${armcc_opt},--diag_suppress=2523
5482 add_cflags -W${armcc_opt},--diag_suppress=1207
5483 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
5484 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
5485 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
5486 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
5487 elif enabled tms470; then
5488 add_cflags -pds=824 -pds=837
5490 elif enabled pathscale; then
5491 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
5492 elif enabled_any msvc icl; then
5493 enabled x86_32 && disable aligned_stack
5494 enabled_all x86_32 debug && add_cflags -Oy-
5495 enabled debug && add_ldflags -debug
5496 enable pragma_deprecated
5497 if enabled icl; then
5498 # -Qansi-alias is basically -fstrict-aliasing, but does not work
5499 # (correctly) on icl 13.x.
5500 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
5501 add_cflags -Qansi-alias
5502 # Some inline asm is not compilable in debug
5503 if enabled debug; then
5504 disable ebp_available
5505 disable ebx_available
5508 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
5509 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
5514 add_asflags -Qunused-arguments
5520 check_ldflags -Qunused-arguments
5526 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
5529 add_cppflags -Dmain=plan9_main
5533 enable frame_thread_encoder
5535 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
5537 check_deps $CONFIG_LIST \
5542 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"
5545 if test $target_os = "haiku"; then
5547 disable posix_memalign
5550 enabled_all dxva2 dxva2api_cobj CoTaskMemFree &&
5551 prepend ffmpeg_libs $($ldflags_filter "-lole32" "-luser32") &&
5554 ! enabled_any memalign posix_memalign aligned_malloc &&
5555 enabled simd_align_16 && enable memalign_hack
5558 # -> enable ${lib}_deps_${dep}
5559 # -> add $dep to ${lib}_deps only once
5563 enabled "${lib}_deps_${dep}" && return 0
5564 enable "${lib}_deps_${dep}"
5565 prepend "${lib}_deps" $dep
5568 # merge deps lib components
5569 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
5574 enabled $comp || continue
5575 eval "dep=\"\$${comp}_deps\""
5582 merge_deps libavfilter $FILTER_LIST
5584 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
5586 for thread in $THREADS_LIST; do
5587 if enabled $thread; then
5588 test -n "$thread_type" &&
5589 die "ERROR: Only one thread type must be selected." ||
5590 thread_type="$thread"
5594 enabled zlib && add_cppflags -DZLIB_CONST
5596 # conditional library dependencies, in linking order
5597 enabled amovie_filter && prepend avfilter_deps "avformat avcodec"
5598 enabled aresample_filter && prepend avfilter_deps "swresample"
5599 enabled asyncts_filter && prepend avfilter_deps "avresample"
5600 enabled atempo_filter && prepend avfilter_deps "avcodec"
5601 enabled cover_rect_filter && prepend avfilter_deps "avformat avcodec"
5602 enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"
5603 enabled elbg_filter && prepend avfilter_deps "avcodec"
5604 enabled fftfilt_filter && prepend avfilter_deps "avcodec"
5605 enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
5606 enabled mcdeint_filter && prepend avfilter_deps "avcodec"
5607 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
5608 enabled pan_filter && prepend avfilter_deps "swresample"
5609 enabled pp_filter && prepend avfilter_deps "postproc"
5610 enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
5611 enabled resample_filter && prepend avfilter_deps "avresample"
5612 enabled sab_filter && prepend avfilter_deps "swscale"
5613 enabled scale_filter && prepend avfilter_deps "swscale"
5614 enabled showspectrum_filter && prepend avfilter_deps "avcodec"
5615 enabled smartblur_filter && prepend avfilter_deps "swscale"
5616 enabled subtitles_filter && prepend avfilter_deps "avformat avcodec"
5617 enabled uspp_filter && prepend avfilter_deps "avcodec"
5619 enabled lavfi_indev && prepend avdevice_deps "avfilter"
5621 enabled opus_decoder && prepend avcodec_deps "swresample"
5625 eval "deps=\$$lib_deps"
5626 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
5630 #we have to remove gpl from the deps here as some code assumes all lib deps are libs
5631 postproc_deps="$(filter_out 'gpl' $postproc_deps)"
5633 map 'expand_deps $v' $LIBRARY_LIST
5635 echo "install prefix $prefix"
5636 echo "source path $source_path"
5637 echo "C compiler $cc"
5638 echo "C library $libc_type"
5639 if test "$host_cc" != "$cc"; then
5640 echo "host C compiler $host_cc"
5641 echo "host C library $host_libc_type"
5643 echo "ARCH $arch ($cpu)"
5644 if test "$build_suffix" != ""; then
5645 echo "build suffix $build_suffix"
5647 if test "$progs_suffix" != ""; then
5648 echo "progs suffix $progs_suffix"
5650 if test "$extra_version" != ""; then
5651 echo "version string suffix $extra_version"
5653 echo "big-endian ${bigendian-no}"
5654 echo "runtime cpu detection ${runtime_cpudetect-no}"
5655 if enabled x86; then
5656 echo "${yasmexe} ${yasm-no}"
5657 echo "MMX enabled ${mmx-no}"
5658 echo "MMXEXT enabled ${mmxext-no}"
5659 echo "3DNow! enabled ${amd3dnow-no}"
5660 echo "3DNow! extended enabled ${amd3dnowext-no}"
5661 echo "SSE enabled ${sse-no}"
5662 echo "SSSE3 enabled ${ssse3-no}"
5663 echo "AVX enabled ${avx-no}"
5664 echo "XOP enabled ${xop-no}"
5665 echo "FMA3 enabled ${fma3-no}"
5666 echo "FMA4 enabled ${fma4-no}"
5667 echo "i686 features enabled ${i686-no}"
5668 echo "CMOV is fast ${fast_cmov-no}"
5669 echo "EBX available ${ebx_available-no}"
5670 echo "EBP available ${ebp_available-no}"
5672 if enabled aarch64; then
5673 echo "NEON enabled ${neon-no}"
5674 echo "VFP enabled ${vfp-no}"
5676 if enabled arm; then
5677 echo "ARMv5TE enabled ${armv5te-no}"
5678 echo "ARMv6 enabled ${armv6-no}"
5679 echo "ARMv6T2 enabled ${armv6t2-no}"
5680 echo "VFP enabled ${vfp-no}"
5681 echo "NEON enabled ${neon-no}"
5682 echo "THUMB enabled ${thumb-no}"
5684 if enabled mips; then
5685 echo "MIPS FPU enabled ${mipsfpu-no}"
5686 echo "MIPS32R5 enabled ${mips32r5-no}"
5687 echo "MIPS64R6 enabled ${mips64r6-no}"
5688 echo "MIPS DSP R1 enabled ${mipsdspr1-no}"
5689 echo "MIPS DSP R2 enabled ${mipsdspr2-no}"
5690 echo "MIPS MSA enabled ${msa-no}"
5691 echo "LOONGSON3 enabled ${loongson3-no}"
5693 if enabled ppc; then
5694 echo "AltiVec enabled ${altivec-no}"
5695 echo "PPC 4xx optimizations ${ppc4xx-no}"
5696 echo "PPC VSX optimizations ${vsx-no}"
5697 echo "dcbzl available ${dcbzl-no}"
5699 echo "debug symbols ${debug-no}"
5700 echo "strip symbols ${stripping-no}"
5701 echo "optimize for size ${small-no}"
5702 echo "optimizations ${optimizations-no}"
5703 echo "static ${static-no}"
5704 echo "shared ${shared-no}"
5705 echo "postprocessing support ${postproc-no}"
5706 echo "new filter support ${avfilter-no}"
5707 echo "network support ${network-no}"
5708 echo "threading support ${thread_type-no}"
5709 echo "safe bitstream reader ${safe_bitstream_reader-no}"
5710 echo "SDL support ${sdl-no}"
5711 echo "opencl enabled ${opencl-no}"
5712 echo "texi2html enabled ${texi2html-no}"
5713 echo "perl enabled ${perl-no}"
5714 echo "pod2man enabled ${pod2man-no}"
5715 echo "makeinfo enabled ${makeinfo-no}"
5716 echo "makeinfo supports HTML ${makeinfo_html-no}"
5717 test -n "$random_seed" &&
5718 echo "random seed ${random_seed}"
5721 echo "External libraries:"
5722 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
5725 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
5726 echo "Enabled ${type}s:"
5727 eval list=\$$(toupper $type)_LIST
5728 print_enabled '_*' $list | print_3_columns
5732 license="LGPL version 2.1 or later"
5733 if enabled nonfree; then
5734 license="nonfree and unredistributable"
5735 elif enabled gplv3; then
5736 license="GPL version 3 or later"
5737 elif enabled lgplv3; then
5738 license="LGPL version 3 or later"
5739 elif enabled gpl; then
5740 license="GPL version 2 or later"
5743 echo "License: $license"
5745 echo "Creating config.mak, config.h, and doc/config.texi..."
5747 test -e Makefile || echo "include $source_path/Makefile" > Makefile
5749 enabled stripping || strip="echo skipping strip"
5751 config_files="$TMPH config.mak doc/config.texi"
5753 cat > config.mak <<EOF
5754 # Automatically generated by configure - do not modify!
5755 ifndef FFMPEG_CONFIG_MAK
5757 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
5759 LIBDIR=\$(DESTDIR)$libdir
5760 SHLIBDIR=\$(DESTDIR)$shlibdir
5761 INCDIR=\$(DESTDIR)$incdir
5762 BINDIR=\$(DESTDIR)$bindir
5763 DATADIR=\$(DESTDIR)$datadir
5764 DOCDIR=\$(DESTDIR)$docdir
5765 MANDIR=\$(DESTDIR)$mandir
5766 SRC_PATH=$source_path
5767 ifndef MAIN_MAKEFILE
5768 SRC_PATH:=\$(SRC_PATH:.%=..%)
5772 INTRINSICS=$intrinsics
5778 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
5780 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
5809 LDEXEFLAGS=$LDEXEFLAGS
5810 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
5811 ASMSTRIPFLAGS=$ASMSTRIPFLAGS
5812 YASMFLAGS=$YASMFLAGS
5813 BUILDSUF=$build_suffix
5814 PROGSSUF=$progs_suffix
5822 EXTRA_VERSION=$extra_version
5825 CCDEP_FLAGS=$CCDEP_FLAGS
5827 ASDEP_FLAGS=$ASDEP_FLAGS
5828 CC_DEPFLAGS=$CC_DEPFLAGS
5829 AS_DEPFLAGS=$AS_DEPFLAGS
5832 HOSTCFLAGS=$host_cflags
5833 HOSTCPPFLAGS=$host_cppflags
5834 HOSTEXESUF=$HOSTEXESUF
5835 HOSTLDFLAGS=$host_ldflags
5838 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
5839 HOSTCCDEP=$HOSTCCDEP
5840 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
5841 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
5845 TARGET_EXEC=$target_exec $target_exec_args
5846 TARGET_PATH=$target_path
5847 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
5848 CFLAGS-ffplay=$sdl_cflags
5849 ZLIB=$($ldflags_filter -lz)
5850 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
5851 EXTRALIBS=$extralibs
5852 COMPAT_OBJS=$compat_objs
5855 LIBTARGET=${LIBTARGET}
5856 SLIBNAME=${SLIBNAME}
5857 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
5858 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
5859 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
5860 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
5861 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
5862 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
5863 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
5864 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
5865 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
5866 NOREDZONE_FLAGS=$noredzone_flags
5871 name=$(toupper $lcname)
5872 file=$source_path/$lcname/version.h
5873 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
5874 enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100))
5875 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
5876 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
5877 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
5878 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
5881 map 'get_version $v' $LIBRARY_LIST
5883 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST
5885 print_program_libs(){
5886 eval "program_libs=\$${1}_libs"
5887 eval echo "LIBS-${1}=${program_libs}" >> config.mak
5890 map 'print_program_libs $v' $PROGRAM_LIST
5893 /* Automatically generated by configure - do not modify! */
5894 #ifndef FFMPEG_CONFIG_H
5895 #define FFMPEG_CONFIG_H
5896 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
5897 #define FFMPEG_LICENSE "$(c_escape $license)"
5898 #define CONFIG_THIS_YEAR 2015
5899 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
5900 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
5901 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
5902 #define av_restrict $_restrict
5903 #define EXTERN_PREFIX "${extern_prefix}"
5904 #define EXTERN_ASM ${extern_prefix}
5905 #define BUILDSUF "$build_suffix"
5906 #define SLIBSUF "$SLIBSUF"
5907 #define HAVE_MMX2 HAVE_MMXEXT
5908 #define SWS_MAX_FILTER_SIZE $sws_max_filter_size
5911 test -n "$assert_level" &&
5912 echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
5914 test -n "$malloc_prefix" &&
5915 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
5917 if enabled yasm; then
5918 append config_files $TMPASM
5922 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
5927 echo "@c auto-generated by configure" > doc/config.texi
5929 print_config ARCH_ "$config_files" $ARCH_LIST
5930 print_config HAVE_ "$config_files" $HAVE_LIST
5931 print_config CONFIG_ "$config_files" $CONFIG_LIST \
5935 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
5936 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
5938 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
5939 cp_if_changed $TMPH config.h
5942 enabled yasm && cp_if_changed $TMPASM config.asm
5945 /* Generated by ffconf */
5946 #ifndef AVUTIL_AVCONFIG_H
5947 #define AVUTIL_AVCONFIG_H
5950 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
5952 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
5954 cp_if_changed $TMPH libavutil/avconfig.h
5956 if test -n "$WARNINGS"; then
5957 printf "\n$WARNINGS"
5958 enabled fatal_warnings && exit 1
5961 # build pkg-config files
5964 eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \""
5967 pkgconfig_generate(){
5969 shortname=${name#lib}${build_suffix}
5973 requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))
5974 requires=${requires%, }
5975 enabled ${name#lib} || return 0
5977 cat <<EOF > $name/$name${build_suffix}.pc
5979 exec_prefix=\${prefix}
5984 Description: $comment
5986 Requires: $(enabled shared || echo $requires)
5987 Requires.private: $(enabled shared && echo $requires)
5989 Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs)
5990 Libs.private: $(enabled shared && echo $libs)
5991 Cflags: -I\${includedir}
5994 mkdir -p doc/examples/pc-uninstalled
5995 includedir=${source_path}
5996 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
5997 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
6000 libdir=\${pcfiledir}/../../../$name
6001 includedir=${includedir}
6004 Description: $comment
6008 Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs)
6009 Cflags: -I\${includedir}
6013 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBRT $LIBM"
6014 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs"
6015 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs"
6016 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs"
6017 pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
6018 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" ""
6019 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$LIBM"
6020 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM"
6021 pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM"