jack: Support OSX
[libav.git] / configure
1 #!/bin/sh
2 #
3 # Libav configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
43 fi
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 LIBAV, 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 Libav."
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."
53 fi
54 exit 1
55 fi
56
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
59 show_help(){
60 cat <<EOF
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
63
64 Help options:
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
77
78 Standard options:
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --prefix=PREFIX install in PREFIX [$prefix]
82 --bindir=DIR install binaries in DIR [PREFIX/bin]
83 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
84 --docdir=DIR install documentation in DIR [PREFIX/share/doc/libav]
85 --libdir=DIR install libs in DIR [PREFIX/lib]
86 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
87 --incdir=DIR install includes in DIR [PREFIX/include]
88 --mandir=DIR install man page in DIR [PREFIX/share/man]
89 --enable-rpath use rpath when linking programs [USE WITH CARE]
90
91 Licensing options:
92 --enable-gpl allow use of GPL code, the resulting libs
93 and binaries will be under GPL [no]
94 --enable-version3 upgrade (L)GPL to version 3 [no]
95 --enable-nonfree allow use of nonfree code, the resulting libs
96 and binaries will be unredistributable [no]
97
98 Configuration options:
99 --disable-static do not build static libraries [no]
100 --enable-shared build shared libraries [no]
101 --enable-small optimize for size instead of speed
102 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
103 --enable-gray enable full grayscale support (slower color)
104 --disable-swscale-alpha disable alpha channel support in swscale
105 --disable-all disable building components, libraries and programs
106
107 Program options:
108 --disable-programs do not build command line programs
109 --disable-avconv disable avconv build
110 --disable-avplay disable avplay build
111 --disable-avprobe disable avprobe build
112 --disable-avserver deprecated, does nothing
113
114 Component options:
115 --disable-doc do not build documentation
116 --disable-avdevice disable libavdevice build
117 --disable-avcodec disable libavcodec build
118 --disable-avformat disable libavformat build
119 --disable-avutil disable libavutil build
120 --disable-swscale disable libswscale build
121 --disable-avfilter disable video filter support [no]
122 --disable-avresample disable libavresample build [no]
123 --disable-pthreads disable pthreads [auto]
124 --disable-w32threads disable Win32 threads [auto]
125 --disable-network disable network support [no]
126 --disable-dct disable DCT code
127 --disable-error-resilience disable error resilience code
128 --disable-lsp disable LSP code
129 --disable-lzo disable LZO decoder code
130 --disable-mdct disable MDCT code
131 --disable-rdft disable RDFT code
132 --disable-fft disable FFT code
133 --disable-faan disable floating point AAN (I)DCT code
134
135 Hardware accelerators:
136 --enable-d3d11va enable D3D11VA code
137 --enable-dxva2 enable DXVA2 code
138 --enable-vaapi enable VAAPI code
139 --enable-vda enable VDA code
140 --enable-vdpau enable VDPAU code
141
142 Individual component options:
143 --disable-everything disable all components listed below
144 --disable-encoder=NAME disable encoder NAME
145 --enable-encoder=NAME enable encoder NAME
146 --disable-encoders disable all encoders
147 --disable-decoder=NAME disable decoder NAME
148 --enable-decoder=NAME enable decoder NAME
149 --disable-decoders disable all decoders
150 --disable-hwaccel=NAME disable hwaccel NAME
151 --enable-hwaccel=NAME enable hwaccel NAME
152 --disable-hwaccels disable all hwaccels
153 --disable-muxer=NAME disable muxer NAME
154 --enable-muxer=NAME enable muxer NAME
155 --disable-muxers disable all muxers
156 --disable-demuxer=NAME disable demuxer NAME
157 --enable-demuxer=NAME enable demuxer NAME
158 --disable-demuxers disable all demuxers
159 --enable-parser=NAME enable parser NAME
160 --disable-parser=NAME disable parser NAME
161 --disable-parsers disable all parsers
162 --enable-bsf=NAME enable bitstream filter NAME
163 --disable-bsf=NAME disable bitstream filter NAME
164 --disable-bsfs disable all bitstream filters
165 --enable-protocol=NAME enable protocol NAME
166 --disable-protocol=NAME disable protocol NAME
167 --disable-protocols disable all protocols
168 --enable-indev=NAME enable input device NAME
169 --disable-indev=NAME disable input device NAME
170 --disable-indevs disable input devices
171 --enable-outdev=NAME enable output device NAME
172 --disable-outdev=NAME disable output device NAME
173 --disable-outdevs disable output devices
174 --disable-devices disable all devices
175 --enable-filter=NAME enable filter NAME
176 --disable-filter=NAME disable filter NAME
177 --disable-filters disable all filters
178
179 External library support:
180 --enable-avisynth enable reading of AviSynth script files [no]
181 --enable-bzlib enable bzlib [autodetect]
182 --enable-cuda enable dynamically linked CUDA [no]
183 --enable-frei0r enable frei0r video filtering
184 --enable-gnutls enable gnutls [no]
185 --enable-libbs2b enable bs2b DSP library [no]
186 --enable-libcdio enable audio CD grabbing with libcdio
187 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
188 and libraw1394 [no]
189 --enable-libdcadec enable DCA decoding via libdcadec [no]
190 --enable-libfaac enable AAC encoding via libfaac [no]
191 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
192 --enable-libfreetype enable libfreetype [no]
193 --enable-libgsm enable GSM de/encoding via libgsm [no]
194 --enable-libilbc enable iLBC de/encoding via libilbc [no]
195 --enable-libkvazaar enable HEVC encoding via libkvazaar [no]
196 --enable-libmfx enable HW acceleration through libmfx
197 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
198 --enable-libnpp enable NVIDIA Performance Primitives-based code [no]
199 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
200 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
201 --enable-libopencv enable video filtering via libopencv [no]
202 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
203 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
204 --enable-libopus enable Opus de/encoding via libopus [no]
205 --enable-libpulse enable Pulseaudio input via libpulse [no]
206 --enable-librtmp enable RTMP[E] support via librtmp [no]
207 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
208 --enable-libsnappy enable Snappy compression [no]
209 --enable-libspeex enable Speex de/encoding via libspeex [no]
210 --enable-libtheora enable Theora encoding via libtheora [no]
211 --enable-libtwolame enable MP2 encoding via libtwolame [no]
212 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
213 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
214 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
215 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
216 --enable-libwavpack enable wavpack encoding via libwavpack [no]
217 --enable-libwebp enable WebP encoding via libwebp [no]
218 --enable-libx264 enable H.264 encoding via x264 [no]
219 --enable-libx265 enable HEVC encoding via x265 [no]
220 --enable-libxavs enable AVS encoding via xavs [no]
221 --enable-libxcb enable X11 grabbing using XCB [no]
222 --enable-libxcb-shm enable X11 grabbing shm communication [auto]
223 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [auto]
224 --enable-libxvid enable Xvid encoding via xvidcore,
225 native MPEG-4/Xvid encoder exists [no]
226 --enable-mmal enable decoding via MMAL [no]
227 --enable-nvenc enable encoding via NVENC [no]
228 --enable-openssl enable openssl [no]
229 --enable-x11grab enable X11 grabbing (legacy) [no]
230 --enable-zlib enable zlib [autodetect]
231
232 Toolchain options:
233 --arch=ARCH select architecture [$arch]
234 --cpu=CPU select the minimum required CPU (affects
235 instruction selection, may crash on older CPUs)
236 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
237 --enable-cross-compile assume a cross-compiler is used
238 --sysroot=PATH root of cross-build tree
239 --sysinclude=PATH location of cross-build system headers
240 --target-os=OS compiler targets OS [$target_os]
241 --target-exec=CMD command to run executables on target
242 --target-path=DIR path to view of build directory on target
243 --target-samples=DIR path to samples directory on target
244 --toolchain=NAME set tool defaults according to NAME
245 --nm=NM use nm tool
246 --ar=AR use archive tool AR [$ar_default]
247 --as=AS use assembler AS [$as_default]
248 --cc=CC use C compiler CC [$cc_default]
249 --objcc=OCC use ObjC compiler OCC [$cc_default]
250 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
251 --ld=LD use linker LD
252 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
253 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
254 --host-cc=HOSTCC use host C compiler HOSTCC
255 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
256 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
257 --host-ld=HOSTLD use host linker HOSTLD
258 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
259 --host-libs=HLIBS use libs HLIBS when linking for host
260 --host-os=OS compiler host OS [$target_os]
261 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
262 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
263 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
264 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
265 --extra-libs=ELIBS add ELIBS [$ELIBS]
266 --extra-version=STRING version string suffix []
267 --optflags=OPTFLAGS override optimization-related compiler flags
268 --build-suffix=SUFFIX library name suffix []
269 --enable-pic build position-independent code
270 --enable-thumb compile for Thumb instruction set
271 --enable-lto use link-time optimization
272 --env="ENV=override" override the environment variables
273
274 Advanced options (experts only):
275 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
276 --custom-allocator=NAME use a supported custom allocator
277 --disable-symver disable symbol versioning
278 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
279 --disable-safe-bitstream-reader
280 disable buffer boundary checking in bitreaders
281 (faster, but may crash)
282 --enable-memalign-hack emulate memalign, interferes with memory debuggers
283 --enable-sram allow use of on-chip SRAM
284
285 Optimization options (experts only):
286 --disable-asm disable all assembly optimizations
287 --disable-altivec disable AltiVec optimizations
288 --disable-vsx disable VSX optimizations
289 --disable-power8 disable POWER8 optimizations
290 --disable-amd3dnow disable 3DNow! optimizations
291 --disable-amd3dnowext disable 3DNow! extended optimizations
292 --disable-mmx disable MMX optimizations
293 --disable-mmxext disable MMXEXT optimizations
294 --disable-sse disable SSE optimizations
295 --disable-sse2 disable SSE2 optimizations
296 --disable-sse3 disable SSE3 optimizations
297 --disable-ssse3 disable SSSE3 optimizations
298 --disable-sse4 disable SSE4 optimizations
299 --disable-sse42 disable SSE4.2 optimizations
300 --disable-avx disable AVX optimizations
301 --disable-xop disable XOP optimizations
302 --disable-fma3 disable FMA3 optimizations
303 --disable-fma4 disable FMA4 optimizations
304 --disable-avx2 disable AVX2 optimizations
305 --disable-armv5te disable armv5te optimizations
306 --disable-armv6 disable armv6 optimizations
307 --disable-armv6t2 disable armv6t2 optimizations
308 --disable-vfp disable VFP optimizations
309 --disable-neon disable NEON optimizations
310 --disable-inline-asm disable use of inline assembly
311 --disable-yasm disable use of nasm/yasm assembly
312
313 Developer options (useful when working on Libav itself):
314 --disable-debug disable debugging symbols
315 --enable-debug=LEVEL set the debug level [$debuglevel]
316 --disable-optimizations disable compiler optimizations
317 --enable-extra-warnings enable more compiler warnings
318 --samples=PATH location of test samples for FATE, if not set use
319 \$LIBAV_SAMPLES at make invocation time.
320 --enable-neon-clobber-test check NEON registers for clobbering (should be
321 used only for debugging purposes)
322 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
323 should be used only for debugging purposes)
324 --enable-random randomly enable/disable components
325 --disable-random
326 --enable-random=LIST randomly enable/disable specific components or
327 --disable-random=LIST component groups. LIST is a comma-separated list
328 of NAME[:PROB] entries where NAME is a component
329 (group) and PROB the probability associated with
330 NAME (default 0.5).
331 --random-seed=VALUE seed value for --enable/disable-random
332 --disable-valgrind-backtrace do not print a backtrace under Valgrind
333 (only applies to --disable-optimizations builds)
334
335 NOTE: Object files are built at the place where configure is launched.
336 EOF
337 exit 0
338 }
339
340 quotes='""'
341
342 log(){
343 echo "$@" >> $logfile
344 }
345
346 log_file(){
347 log BEGIN $1
348 i=1
349 while read line; do
350 printf '%5s %s\n' "${i}" "${line}"
351 i=$(($i+1))
352 done < $1 >> $logfile
353 log END $1
354 }
355
356 echolog(){
357 log "$@"
358 echo "$@"
359 }
360
361 warn(){
362 log "WARNING: $*"
363 WARNINGS="${WARNINGS}WARNING: $*\n"
364 }
365
366 die(){
367 echolog "$@"
368 cat <<EOF
369
370 If you think configure made a mistake, make sure you are using the latest
371 version from Git. If the latest version fails, report the problem to the
372 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
373 EOF
374 if disabled logging; then
375 cat <<EOF
376 Rerun configure with logging enabled (do not use --disable-logging), and
377 include the log this produces with your report.
378 EOF
379 else
380 cat <<EOF
381 Include the log file "$logfile" produced by configure as this will help
382 solving the problem.
383 EOF
384 fi
385 exit 1
386 }
387
388 # Avoid locale weirdness, besides we really just want to translate ASCII.
389 toupper(){
390 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
391 }
392
393 tolower(){
394 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
395 }
396
397 c_escape(){
398 echo "$*" | sed 's/["\\]/\\\0/g'
399 }
400
401 sh_quote(){
402 v=$(echo "$1" | sed "s/'/'\\\\''/g")
403 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
404 echo "$v"
405 }
406
407 cleanws(){
408 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
409 }
410
411 filter(){
412 pat=$1
413 shift
414 for v; do
415 eval "case $v in $pat) echo $v ;; esac"
416 done
417 }
418
419 filter_out(){
420 pat=$1
421 shift
422 for v; do
423 eval "case $v in $pat) ;; *) echo $v ;; esac"
424 done
425 }
426
427 map(){
428 m=$1
429 shift
430 for v; do eval $m; done
431 }
432
433 add_suffix(){
434 suffix=$1
435 shift
436 for v; do echo ${v}${suffix}; done
437 }
438
439 set_all(){
440 value=$1
441 shift
442 for var in $*; do
443 eval $var=$value
444 done
445 }
446
447 set_weak(){
448 value=$1
449 shift
450 for var; do
451 eval : \${$var:=$value}
452 done
453 }
454
455 sanitize_var_name(){
456 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
457 }
458
459 set_safe(){
460 var=$1
461 shift
462 eval $(sanitize_var_name "$var")='$*'
463 }
464
465 get_safe(){
466 eval echo \$$(sanitize_var_name "$1")
467 }
468
469 pushvar(){
470 for pvar in $*; do
471 eval level=\${${pvar}_level:=0}
472 eval ${pvar}_${level}="\$$pvar"
473 eval ${pvar}_level=$(($level+1))
474 done
475 }
476
477 popvar(){
478 for pvar in $*; do
479 eval level=\${${pvar}_level:-0}
480 test $level = 0 && continue
481 eval level=$(($level-1))
482 eval $pvar="\${${pvar}_${level}}"
483 eval ${pvar}_level=$level
484 eval unset ${pvar}_${level}
485 done
486 }
487
488 enable(){
489 set_all yes $*
490 }
491
492 disable(){
493 set_all no $*
494 }
495
496 enable_weak(){
497 set_weak yes $*
498 }
499
500 disable_weak(){
501 set_weak no $*
502 }
503
504 enable_safe(){
505 for var; do
506 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
507 done
508 }
509
510 disable_safe(){
511 for var; do
512 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
513 done
514 }
515
516 do_enable_deep(){
517 for var; do
518 enabled $var && continue
519 eval sel="\$${var}_select"
520 eval sgs="\$${var}_suggest"
521 pushvar var sgs
522 enable_deep $sel
523 popvar sgs
524 enable_deep_weak $sgs
525 popvar var
526 done
527 }
528
529 enable_deep(){
530 do_enable_deep $*
531 enable $*
532 }
533
534 enable_deep_weak(){
535 for var; do
536 disabled $var && continue
537 pushvar var
538 do_enable_deep $var
539 popvar var
540 enable_weak $var
541 done
542 }
543
544 enabled(){
545 test "${1#!}" = "$1" && op== || op=!=
546 eval test "x\$${1#!}" $op "xyes"
547 }
548
549 disabled(){
550 test "${1#!}" = "$1" && op== || op=!=
551 eval test "x\$${1#!}" $op "xno"
552 }
553
554 enabled_all(){
555 for opt; do
556 enabled $opt || return 1
557 done
558 }
559
560 disabled_all(){
561 for opt; do
562 disabled $opt || return 1
563 done
564 }
565
566 enabled_any(){
567 for opt; do
568 enabled $opt && return 0
569 done
570 }
571
572 disabled_any(){
573 for opt; do
574 disabled $opt && return 0
575 done
576 return 1
577 }
578
579 set_default(){
580 for opt; do
581 eval : \${$opt:=\$${opt}_default}
582 done
583 }
584
585 is_in(){
586 value=$1
587 shift
588 for var in $*; do
589 [ $var = $value ] && return 0
590 done
591 return 1
592 }
593
594 do_check_deps(){
595 for cfg; do
596 cfg="${cfg#!}"
597 enabled ${cfg}_checking && die "Circular dependency for $cfg."
598 disabled ${cfg}_checking && continue
599 enable ${cfg}_checking
600 append allopts $cfg
601
602 eval dep_all="\$${cfg}_deps"
603 eval dep_any="\$${cfg}_deps_any"
604 eval dep_sel="\$${cfg}_select"
605 eval dep_sgs="\$${cfg}_suggest"
606 eval dep_ifa="\$${cfg}_if"
607 eval dep_ifn="\$${cfg}_if_any"
608
609 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
610 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
611 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
612
613 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
614 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
615 enabled_all $dep_all || disable $cfg
616 enabled_any $dep_any || disable $cfg
617 disabled_any $dep_sel && disable $cfg
618
619 if enabled $cfg; then
620 enable_deep $dep_sel
621 enable_deep_weak $dep_sgs
622 fi
623
624 disable ${cfg}_checking
625 done
626 }
627
628 check_deps(){
629 unset allopts
630
631 do_check_deps "$@"
632
633 for cfg in $allopts; do
634 enabled $cfg || continue
635 eval dep_extralibs="\$${cfg}_extralibs"
636 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
637 done
638 }
639
640 print_config(){
641 pfx=$1
642 files=$2
643 shift 2
644 map 'eval echo "$v \${$v:-no}"' "$@" |
645 awk "BEGIN { split(\"$files\", files) }
646 {
647 c = \"$pfx\" toupper(\$1);
648 v = \$2;
649 sub(/yes/, 1, v);
650 sub(/no/, 0, v);
651 for (f in files) {
652 file = files[f];
653 if (file ~ /\\.h\$/) {
654 printf(\"#define %s %d\\n\", c, v) >>file;
655 } else if (file ~ /\\.asm\$/) {
656 printf(\"%%define %s %d\\n\", c, v) >>file;
657 } else if (file ~ /\\.mak\$/) {
658 n = -v ? \"\" : \"!\";
659 printf(\"%s%s=yes\\n\", n, c) >>file;
660 }
661 }
662 }"
663 }
664
665 print_enabled(){
666 suf=$1
667 shift
668 for v; do
669 enabled $v && printf "%s\n" ${v%$suf};
670 done
671 }
672
673 append(){
674 var=$1
675 shift
676 eval "$var=\"\$$var $*\""
677 }
678
679 prepend(){
680 var=$1
681 shift
682 eval "$var=\"$* \$$var\""
683 }
684
685 unique(){
686 var=$1
687 uniq_list=""
688 for tok in $(eval echo \$$var); do
689 uniq_list="$(filter_out $tok $uniq_list) $tok"
690 done
691 eval "$var=\"${uniq_list}\""
692 }
693
694 add_cppflags(){
695 append CPPFLAGS "$@"
696 }
697
698 add_cflags(){
699 append CFLAGS $($cflags_filter "$@")
700 }
701
702 add_asflags(){
703 append ASFLAGS $($asflags_filter "$@")
704 }
705
706 add_objcflags(){
707 append OBJCFLAGS $($objcflags_filter "$@")
708 }
709
710 add_ldflags(){
711 append LDFLAGS $($ldflags_filter "$@")
712 }
713
714 add_ldexeflags(){
715 append LDEXEFLAGS $($ldflags_filter "$@")
716 }
717
718 add_stripflags(){
719 append STRIPFLAGS "$@"
720 }
721
722 add_extralibs(){
723 prepend extralibs $($ldflags_filter "$@")
724 }
725
726 add_host_cppflags(){
727 append host_cppflags "$@"
728 }
729
730 add_host_cflags(){
731 append host_cflags $($host_cflags_filter "$@")
732 }
733
734 add_host_ldflags(){
735 append host_ldflags $($host_ldflags_filter "$@")
736 }
737
738 add_compat(){
739 append compat_objs $1
740 shift
741 map 'add_cppflags -D$v' "$@"
742 }
743
744 check_cmd(){
745 log "$@"
746 "$@" >> $logfile 2>&1
747 }
748
749 cc_o(){
750 eval printf '%s\\n' $CC_O
751 }
752
753 cc_e(){
754 eval printf '%s\\n' $CC_E
755 }
756
757 check_cc(){
758 log check_cc "$@"
759 cat > $TMPC
760 log_file $TMPC
761 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
762 }
763
764 check_objcc(){
765 log check_objcc "$@"
766 cat > $TMPC
767 log_file $TMPC
768 check_cmd $objcc $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPC
769 }
770
771 check_cpp(){
772 log check_cpp "$@"
773 cat > $TMPC
774 log_file $TMPC
775 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
776 }
777
778 as_o(){
779 eval printf '%s\\n' $AS_O
780 }
781
782 check_as(){
783 log check_as "$@"
784 cat > $TMPS
785 log_file $TMPS
786 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
787 }
788
789 check_inline_asm(){
790 log check_inline_asm "$@"
791 name="$1"
792 code="$2"
793 shift 2
794 disable $name
795 check_cc "$@" <<EOF && enable $name
796 void foo(void){ __asm__ volatile($code); }
797 EOF
798 }
799
800 check_insn(){
801 log check_insn "$@"
802 check_inline_asm ${1}_inline "\"$2\""
803 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
804 }
805
806 check_yasm(){
807 log check_yasm "$@"
808 echo "$1" > $TMPS
809 log_file $TMPS
810 shift 1
811 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
812 }
813
814 ld_o(){
815 eval printf '%s\\n' $LD_O
816 }
817
818 check_ld(){
819 log check_ld "$@"
820 flags=$(filter_out '-l*' "$@")
821 libs=$(filter '-l*' "$@")
822 check_cc $($cflags_filter $flags) || return
823 flags=$($ldflags_filter $flags)
824 libs=$($ldflags_filter $libs)
825 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
826 }
827
828 print_include(){
829 hdr=$1
830 test "${hdr%.h}" = "${hdr}" &&
831 echo "#include $hdr" ||
832 echo "#include <$hdr>"
833 }
834
835 check_code(){
836 log check_code "$@"
837 check=$1
838 headers=$2
839 code=$3
840 shift 3
841 {
842 for hdr in $headers; do
843 print_include $hdr
844 done
845 echo "int main(void) { $code; return 0; }"
846 } | check_$check "$@"
847 }
848
849 check_cppflags(){
850 log check_cppflags "$@"
851 check_cc "$@" <<EOF && append CPPFLAGS "$@"
852 int x;
853 EOF
854 }
855
856 test_cflags(){
857 log test_cflags "$@"
858 set -- $($cflags_filter "$@")
859 check_cc "$@" <<EOF
860 int x;
861 EOF
862 }
863
864 check_cflags(){
865 log check_cflags "$@"
866 test_cflags "$@" && add_cflags "$@"
867 }
868
869 test_objcflags(){
870 log test_cflags "$@"
871 set -- $($cflags_filter "$@")
872 check_objcc "$@" <<EOF
873 int x;
874 EOF
875 }
876
877 check_objcflags(){
878 log check_cflags "$@"
879 test_objcflags "$@" && add_objcflags "$@"
880 }
881
882 test_ldflags(){
883 log test_ldflags "$@"
884 check_ld "$@" <<EOF
885 int main(void){ return 0; }
886 EOF
887 }
888
889 check_ldflags(){
890 log check_ldflags "$@"
891 test_ldflags "$@" && add_ldflags "$@"
892 }
893
894 test_stripflags(){
895 log test_stripflags "$@"
896 # call check_cc to get a fresh TMPO
897 check_cc <<EOF
898 int main(void) { return 0; }
899 EOF
900 check_cmd $strip $STRIPFLAGS "$@" $TMPO
901 }
902
903 check_stripflags(){
904 log check_stripflags "$@"
905 test_stripflags "$@" && add_stripflags "$@"
906 }
907
908 check_header(){
909 log check_header "$@"
910 header=$1
911 shift
912 disable_safe $header
913 check_cpp "$@" <<EOF && enable_safe $header
914 #include <$header>
915 int x;
916 EOF
917 }
918
919 check_func(){
920 log check_func "$@"
921 func=$1
922 shift
923 disable $func
924 check_ld "$@" <<EOF && enable $func
925 extern int $func();
926 int main(void){ $func(); }
927 EOF
928 }
929
930 check_mathfunc(){
931 log check_mathfunc "$@"
932 func=$1
933 narg=$2
934 shift 2
935 test $narg = 2 && args="f, g" || args="f"
936 disable $func
937 check_ld "$@" <<EOF && enable $func
938 #include <math.h>
939 float foo(float f, float g) { return $func($args); }
940 int main(void){ return 0; }
941 EOF
942 }
943
944 check_func_headers(){
945 log check_func_headers "$@"
946 headers=$1
947 funcs=$2
948 shift 2
949 {
950 for hdr in $headers; do
951 print_include $hdr
952 done
953 for func in $funcs; do
954 echo "long check_$func(void) { return (long) $func; }"
955 done
956 echo "int main(void) { return 0; }"
957 } | check_ld "$@" && enable $funcs && enable_safe $headers
958 }
959
960 check_cpp_condition(){
961 log check_cpp_condition "$@"
962 header=$1
963 condition=$2
964 shift 2
965 check_cpp "$@" <<EOF
966 #include <$header>
967 #if !($condition)
968 #error "unsatisfied condition: $condition"
969 #endif
970 EOF
971 }
972
973 check_lib(){
974 log check_lib "$@"
975 header="$1"
976 func="$2"
977 shift 2
978 check_header $header && check_func $func "$@" && add_extralibs "$@"
979 }
980
981 check_lib2(){
982 log check_lib2 "$@"
983 headers="$1"
984 funcs="$2"
985 shift 2
986 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
987 }
988
989 check_pkg_config(){
990 log check_pkg_config "$@"
991 pkg="$1"
992 headers="$2"
993 funcs="$3"
994 shift 3
995 check_cmd $pkg_config --exists --print-errors $pkg || return
996 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
997 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
998 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
999 set_safe "${pkg}_cflags" $pkg_cflags &&
1000 set_safe "${pkg}_libs" $pkg_libs
1001 }
1002
1003 check_exec(){
1004 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1005 }
1006
1007 check_exec_crash(){
1008 code=$(cat)
1009
1010 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1011 # are safe but may not be available everywhere. Thus we use
1012 # raise(SIGTERM) instead. The check is run in a subshell so we
1013 # can redirect the "Terminated" message from the shell. SIGBUS
1014 # is not defined by standard C so it is used conditionally.
1015
1016 (check_exec "$@") >> $logfile 2>&1 <<EOF
1017 #include <signal.h>
1018 static void sighandler(int sig){
1019 raise(SIGTERM);
1020 }
1021 int foo(void){
1022 $code
1023 }
1024 int (*func_ptr)(void) = foo;
1025 int main(void){
1026 signal(SIGILL, sighandler);
1027 signal(SIGFPE, sighandler);
1028 signal(SIGSEGV, sighandler);
1029 #ifdef SIGBUS
1030 signal(SIGBUS, sighandler);
1031 #endif
1032 return func_ptr();
1033 }
1034 EOF
1035 }
1036
1037 check_type(){
1038 log check_type "$@"
1039 headers=$1
1040 type=$2
1041 shift 2
1042 disable_safe "$type"
1043 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1044 }
1045
1046 check_struct(){
1047 log check_struct "$@"
1048 headers=$1
1049 struct=$2
1050 member=$3
1051 shift 3
1052 disable_safe "${struct}_${member}"
1053 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1054 enable_safe "${struct}_${member}"
1055 }
1056
1057 check_builtin(){
1058 log check_builtin "$@"
1059 name=$1
1060 headers=$2
1061 builtin=$3
1062 shift 3
1063 disable "$name"
1064 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1065 }
1066
1067 check_compile_assert(){
1068 log check_compile_assert "$@"
1069 name=$1
1070 headers=$2
1071 condition=$3
1072 shift 3
1073 disable "$name"
1074 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1075 }
1076
1077 require(){
1078 name="$1"
1079 header="$2"
1080 func="$3"
1081 shift 3
1082 check_lib $header $func "$@" || die "ERROR: $name not found"
1083 }
1084
1085 require2(){
1086 name="$1"
1087 headers="$2"
1088 func="$3"
1089 shift 3
1090 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1091 }
1092
1093 require_pkg_config(){
1094 pkg="$1"
1095 check_pkg_config "$@" || die "ERROR: $pkg not found"
1096 add_cflags $(get_safe "${pkg}_cflags")
1097 add_extralibs $(get_safe "${pkg}_libs")
1098 }
1099
1100 hostcc_e(){
1101 eval printf '%s\\n' $HOSTCC_E
1102 }
1103
1104 hostcc_o(){
1105 eval printf '%s\\n' $HOSTCC_O
1106 }
1107
1108 check_host_cc(){
1109 log check_host_cc "$@"
1110 cat > $TMPC
1111 log_file $TMPC
1112 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1113 }
1114
1115 check_host_cpp(){
1116 log check_host_cpp "$@"
1117 cat > $TMPC
1118 log_file $TMPC
1119 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1120 }
1121
1122 check_host_cppflags(){
1123 log check_host_cppflags "$@"
1124 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1125 int x;
1126 EOF
1127 }
1128
1129 check_host_cflags(){
1130 log check_host_cflags "$@"
1131 set -- $($host_cflags_filter "$@")
1132 check_host_cc "$@" <<EOF && append host_cflags "$@"
1133 int x;
1134 EOF
1135 }
1136
1137 check_host_cpp_condition(){
1138 log check_host_cpp_condition "$@"
1139 header=$1
1140 condition=$2
1141 shift 2
1142 check_host_cpp "$@" <<EOF
1143 #include <$header>
1144 #if !($condition)
1145 #error "unsatisfied condition: $condition"
1146 #endif
1147 EOF
1148 }
1149
1150 apply(){
1151 file=$1
1152 shift
1153 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1154 }
1155
1156 cp_if_changed(){
1157 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1158 mkdir -p "$(dirname $2)"
1159 $cp_f "$1" "$2"
1160 }
1161
1162 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1163 # system-dependent things.
1164
1165 AVCODEC_COMPONENTS="
1166 bsfs
1167 decoders
1168 encoders
1169 hwaccels
1170 parsers
1171 "
1172
1173 AVDEVICE_COMPONENTS="
1174 indevs
1175 outdevs
1176 "
1177 AVFILTER_COMPONENTS="
1178 filters
1179 "
1180 AVFORMAT_COMPONENTS="
1181 demuxers
1182 muxers
1183 protocols
1184 "
1185
1186 AVRESAMPLE_COMPONENTS=""
1187 AVUTIL_COMPONENTS=""
1188
1189 COMPONENT_LIST="
1190 $AVCODEC_COMPONENTS
1191 $AVDEVICE_COMPONENTS
1192 $AVFILTER_COMPONENTS
1193 $AVFORMAT_COMPONENTS
1194 $AVRESAMPLE_COMPONENTS
1195 $AVUTIL_COMPONENTS
1196 "
1197
1198 EXAMPLE_LIST="
1199 avcodec_example
1200 filter_audio_example
1201 metadata_example
1202 output_example
1203 qsvdec_example
1204 transcode_aac_example
1205 "
1206
1207 EXTERNAL_LIBRARY_LIST="
1208 avisynth
1209 bzlib
1210 cuda
1211 frei0r
1212 gnutls
1213 libbs2b
1214 libcdio
1215 libdc1394
1216 libdcadec
1217 libfaac
1218 libfdk_aac
1219 libfontconfig
1220 libfreetype
1221 libgsm
1222 libilbc
1223 libkvazaar
1224 libmfx
1225 libmp3lame
1226 libnpp
1227 libopencore_amrnb
1228 libopencore_amrwb
1229 libopencv
1230 libopenh264
1231 libopenjpeg
1232 libopus
1233 libpulse
1234 librtmp
1235 libschroedinger
1236 libsnappy
1237 libspeex
1238 libtheora
1239 libtwolame
1240 libvo_aacenc
1241 libvo_amrwbenc
1242 libvorbis
1243 libvpx
1244 libwavpack
1245 libwebp
1246 libx264
1247 libx265
1248 libxavs
1249 libxcb
1250 libxcb_shm
1251 libxcb_xfixes
1252 libxvid
1253 mmal
1254 nvenc
1255 openssl
1256 x11grab
1257 zlib
1258 "
1259
1260 FEATURE_LIST="
1261 gray
1262 hardcoded_tables
1263 runtime_cpudetect
1264 safe_bitstream_reader
1265 shared
1266 small
1267 sram
1268 static
1269 swscale_alpha
1270 "
1271
1272 HWACCEL_LIST="
1273 d3d11va
1274 dxva2
1275 vaapi
1276 vda
1277 vdpau
1278 "
1279
1280 LIBRARY_LIST="
1281 avcodec
1282 avdevice
1283 avfilter
1284 avformat
1285 avresample
1286 avutil
1287 swscale
1288 "
1289
1290 LICENSE_LIST="
1291 gpl
1292 nonfree
1293 version3
1294 "
1295
1296 PROGRAM_LIST="
1297 avconv
1298 avplay
1299 avprobe
1300 "
1301
1302 SUBSYSTEM_LIST="
1303 dct
1304 doc
1305 error_resilience
1306 faan
1307 fft
1308 lsp
1309 lzo
1310 mdct
1311 network
1312 rdft
1313 "
1314
1315 CONFIG_LIST="
1316 $COMPONENT_LIST
1317 $EXAMPLE_LIST
1318 $EXTERNAL_LIBRARY_LIST
1319 $FEATURE_LIST
1320 $HWACCEL_LIST
1321 $LICENSE_LIST
1322 $LIBRARY_LIST
1323 $PROGRAM_LIST
1324 $SUBSYSTEM_LIST
1325 memalign_hack
1326 neon_clobber_test
1327 pic
1328 pod2man
1329 texi2html
1330 thumb
1331 valgrind_backtrace
1332 xmm_clobber_test
1333 "
1334
1335 THREADS_LIST="
1336 pthreads
1337 w32threads
1338 "
1339
1340 ATOMICS_LIST="
1341 atomics_gcc
1342 atomics_suncc
1343 atomics_win32
1344 "
1345
1346 ARCH_LIST="
1347 aarch64
1348 alpha
1349 arm
1350 avr32
1351 avr32_ap
1352 avr32_uc
1353 bfin
1354 ia64
1355 m68k
1356 mips
1357 mips64
1358 parisc
1359 ppc
1360 ppc64
1361 s390
1362 sh4
1363 sparc
1364 sparc64
1365 tilegx
1366 tilepro
1367 tomi
1368 x86
1369 x86_32
1370 x86_64
1371 "
1372
1373 ARCH_EXT_LIST_ARM="
1374 armv5te
1375 armv6
1376 armv6t2
1377 armv8
1378 neon
1379 vfp
1380 vfpv3
1381 "
1382
1383 ARCH_EXT_LIST_X86_SIMD="
1384 amd3dnow
1385 amd3dnowext
1386 avx
1387 avx2
1388 fma3
1389 fma4
1390 mmx
1391 mmxext
1392 sse
1393 sse2
1394 sse3
1395 sse4
1396 sse42
1397 ssse3
1398 xop
1399 "
1400
1401 ARCH_EXT_LIST_PPC="
1402 altivec
1403 dcbzl
1404 ldbrx
1405 power8
1406 ppc4xx
1407 vsx
1408 "
1409
1410 ARCH_EXT_LIST_X86="
1411 $ARCH_EXT_LIST_X86_SIMD
1412 cpunop
1413 i686
1414 "
1415
1416 ARCH_EXT_LIST_MIPS="
1417 loongson
1418 mips32r1
1419 mips64r1
1420 mips32r2
1421 mips64r2
1422 mips32r6
1423 mips64r6
1424 "
1425
1426 ARCH_EXT_LIST="
1427 $ARCH_EXT_LIST_ARM
1428 $ARCH_EXT_LIST_MIPS
1429 $ARCH_EXT_LIST_PPC
1430 $ARCH_EXT_LIST_X86
1431 vis
1432 "
1433
1434 ARCH_FEATURES="
1435 aligned_stack
1436 fast_64bit
1437 fast_clz
1438 fast_cmov
1439 local_aligned_8
1440 local_aligned_16
1441 simd_align_16
1442 "
1443
1444 BUILTIN_LIST="
1445 atomic_cas_ptr
1446 machine_rw_barrier
1447 MemoryBarrier
1448 mm_empty
1449 rdtsc
1450 sem_timedwait
1451 sync_val_compare_and_swap
1452 "
1453 HAVE_LIST_CMDLINE="
1454 inline_asm
1455 symver
1456 yasm
1457 "
1458
1459 HAVE_LIST_PUB="
1460 bigendian
1461 fast_unaligned
1462 "
1463
1464 HEADERS_LIST="
1465 AVFoundation_AVFoundation_h
1466 alsa_asoundlib_h
1467 altivec_h
1468 arpa_inet_h
1469 cdio_paranoia_h
1470 cdio_paranoia_paranoia_h
1471 dispatch_dispatch_h
1472 dev_bktr_ioctl_bt848_h
1473 dev_bktr_ioctl_meteor_h
1474 dev_ic_bt8xx_h
1475 dev_video_bktr_ioctl_bt848_h
1476 dev_video_meteor_ioctl_meteor_h
1477 direct_h
1478 dlfcn_h
1479 d3d11_h
1480 dxva_h
1481 gsm_h
1482 io_h
1483 mach_mach_time_h
1484 machine_ioctl_bt848_h
1485 machine_ioctl_meteor_h
1486 malloc_h
1487 poll_h
1488 sndio_h
1489 soundcard_h
1490 sys_mman_h
1491 sys_param_h
1492 sys_resource_h
1493 sys_select_h
1494 sys_soundcard_h
1495 sys_time_h
1496 sys_un_h
1497 sys_videoio_h
1498 unistd_h
1499 valgrind_valgrind_h
1500 windows_h
1501 winsock2_h
1502 "
1503
1504 INTRINSICS_LIST="
1505 intrinsics_neon
1506 "
1507
1508 MATH_FUNCS="
1509 atanf
1510 atan2f
1511 cbrtf
1512 cosf
1513 exp2
1514 exp2f
1515 expf
1516 isinf
1517 isnan
1518 ldexpf
1519 llrint
1520 llrintf
1521 log2
1522 log2f
1523 log10f
1524 lrint
1525 lrintf
1526 powf
1527 rint
1528 round
1529 roundf
1530 sinf
1531 trunc
1532 truncf
1533 "
1534
1535 SYSTEM_FUNCS="
1536 aligned_malloc
1537 clock_gettime
1538 closesocket
1539 CommandLineToArgvW
1540 CoTaskMemFree
1541 CryptGenRandom
1542 dlopen
1543 fcntl
1544 flt_lim
1545 fork
1546 getaddrinfo
1547 gethrtime
1548 getopt
1549 GetProcessAffinityMask
1550 GetProcessMemoryInfo
1551 GetProcessTimes
1552 getrusage
1553 GetSystemTimeAsFileTime
1554 gettimeofday
1555 gmtime_r
1556 inet_aton
1557 isatty
1558 jack_port_get_latency_range
1559 LoadLibrary
1560 localtime_r
1561 mach_absolute_time
1562 MapViewOfFile
1563 memalign
1564 mkstemp
1565 mmap
1566 mprotect
1567 nanosleep
1568 posix_memalign
1569 sched_getaffinity
1570 SetConsoleTextAttribute
1571 setmode
1572 setrlimit
1573 Sleep
1574 strerror_r
1575 sysconf
1576 sysctl
1577 usleep
1578 VirtualAlloc
1579 "
1580
1581 TOOLCHAIN_FEATURES="
1582 as_dn_directive
1583 as_func
1584 as_object_arch
1585 asm_mod_q
1586 attribute_may_alias
1587 attribute_packed
1588 ebp_available
1589 ebx_available
1590 gnu_as
1591 ibm_asm
1592 inline_asm_labels
1593 pragma_deprecated
1594 symver_asm_label
1595 symver_gnu_asm
1596 vfp_args
1597 xform_asm
1598 xmm_clobbers
1599 "
1600
1601 TYPES_LIST="
1602 CONDITION_VARIABLE_Ptr
1603 socklen_t
1604 struct_addrinfo
1605 struct_group_source_req
1606 struct_ip_mreq_source
1607 struct_ipv6_mreq
1608 struct_pollfd
1609 struct_rusage_ru_maxrss
1610 struct_sockaddr_in6
1611 struct_sockaddr_sa_len
1612 struct_sockaddr_storage
1613 struct_v4l2_frmivalenum_discrete
1614 "
1615
1616 HAVE_LIST="
1617 $ARCH_EXT_LIST
1618 $(add_suffix _external $ARCH_EXT_LIST)
1619 $(add_suffix _inline $ARCH_EXT_LIST)
1620 $ARCH_FEATURES
1621 $ATOMICS_LIST
1622 $BUILTIN_LIST
1623 $HAVE_LIST_CMDLINE
1624 $HAVE_LIST_PUB
1625 $HEADERS_LIST
1626 $INTRINSICS_LIST
1627 $MATH_FUNCS
1628 $SYSTEM_FUNCS
1629 $THREADS_LIST
1630 $TOOLCHAIN_FEATURES
1631 $TYPES_LIST
1632 atomics_native
1633 dos_paths
1634 dxva2_lib
1635 libc_msvcrt
1636 libdc1394_1
1637 libdc1394_2
1638 sdl
1639 section_data_rel_ro
1640 threads
1641 vaapi_drm
1642 vaapi_x11
1643 vdpau_x11
1644 xlib
1645 "
1646
1647 # options emitted with CONFIG_ prefix but not available on the command line
1648 CONFIG_EXTRA="
1649 aandcttables
1650 ac3dsp
1651 audio_frame_queue
1652 audiodsp
1653 blockdsp
1654 bswapdsp
1655 cabac
1656 dirac_parse
1657 dvprofile
1658 faandct
1659 faanidct
1660 fdctdsp
1661 flacdsp
1662 fmtconvert
1663 g722dsp
1664 gcrypt
1665 gmp
1666 golomb
1667 gplv3
1668 h263dsp
1669 h264chroma
1670 h264dsp
1671 h264pred
1672 h264qpel
1673 hpeldsp
1674 huffman
1675 huffyuvdsp
1676 huffyuvencdsp
1677 idctdsp
1678 iirfilter
1679 imdct15
1680 intrax8
1681 iso_media
1682 ividsp
1683 jpegtables
1684 libx262
1685 lgplv3
1686 lpc
1687 lzf
1688 me_cmp
1689 mpeg_er
1690 mpegaudio
1691 mpegaudiodsp
1692 mpegvideo
1693 mpegvideoenc
1694 mss34dsp
1695 pixblockdsp
1696 qpeldsp
1697 qsv
1698 qsvdec
1699 qsvenc
1700 rangecoder
1701 riffdec
1702 riffenc
1703 rtpdec
1704 rtpenc_chain
1705 rv34dsp
1706 sinewin
1707 snappy
1708 srtp
1709 startcode
1710 texturedsp
1711 texturedspenc
1712 tpeldsp
1713 vaapi_encode
1714 vc1dsp
1715 videodsp
1716 vp3dsp
1717 vp56dsp
1718 vp8dsp
1719 wma_freqs
1720 wmv2dsp
1721 "
1722
1723 CMDLINE_SELECT="
1724 $ARCH_EXT_LIST
1725 $CONFIG_LIST
1726 $HAVE_LIST_CMDLINE
1727 $THREADS_LIST
1728 asm
1729 cross_compile
1730 debug
1731 extra_warnings
1732 logging
1733 lto
1734 optimizations
1735 rpath
1736 "
1737
1738 PATHS_LIST="
1739 bindir
1740 datadir
1741 docdir
1742 incdir
1743 libdir
1744 mandir
1745 prefix
1746 shlibdir
1747 "
1748
1749 CMDLINE_SET="
1750 $PATHS_LIST
1751 ar
1752 arch
1753 as
1754 build_suffix
1755 cc
1756 objcc
1757 cpu
1758 cross_prefix
1759 custom_allocator
1760 dep_cc
1761 env
1762 extra_version
1763 host_cc
1764 host_cflags
1765 host_ld
1766 host_ldflags
1767 host_libs
1768 host_os
1769 ld
1770 logfile
1771 malloc_prefix
1772 nm
1773 optflags
1774 pkg_config
1775 pkg_config_flags
1776 random_seed
1777 samples
1778 sysinclude
1779 sysroot
1780 target_exec
1781 target_os
1782 target_path
1783 target_samples
1784 toolchain
1785 "
1786
1787 CMDLINE_APPEND="
1788 extra_cflags
1789 extra_objcflags
1790 host_cppflags
1791 "
1792
1793 # code dependency declarations
1794
1795 # architecture extensions
1796
1797 armv5te_deps="arm"
1798 armv6_deps="arm"
1799 armv6t2_deps="arm"
1800 armv8_deps="aarch64"
1801 neon_deps_any="aarch64 arm"
1802 intrinsics_neon_deps="neon"
1803 vfp_deps_any="aarch64 arm"
1804 vfpv3_deps="vfp"
1805
1806 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1807
1808 altivec_deps="ppc"
1809 ppc4xx_deps="ppc"
1810 vsx_deps="altivec"
1811 power8_deps="vsx"
1812
1813 cpunop_deps="i686"
1814 x86_64_select="i686"
1815 x86_64_suggest="fast_cmov"
1816
1817 amd3dnow_deps="mmx"
1818 amd3dnowext_deps="amd3dnow"
1819 i686_deps="x86"
1820 mmx_deps="x86"
1821 mmxext_deps="mmx"
1822 sse_deps="mmxext"
1823 sse2_deps="sse"
1824 sse3_deps="sse2"
1825 ssse3_deps="sse3"
1826 sse4_deps="ssse3"
1827 sse42_deps="sse4"
1828 avx_deps="sse42"
1829 xop_deps="avx"
1830 fma3_deps="avx"
1831 fma4_deps="avx"
1832 avx2_deps="avx"
1833
1834 mmx_external_deps="yasm"
1835 mmx_inline_deps="inline_asm"
1836 mmx_suggest="mmx_external mmx_inline"
1837
1838 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1839 eval dep=\$${ext}_deps
1840 eval ${ext}_external_deps='"${dep}_external"'
1841 eval ${ext}_inline_deps='"${dep}_inline"'
1842 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1843 done
1844
1845 aligned_stack_if_any="aarch64 ppc x86"
1846 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1847 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1848 fast_unaligned_if_any="aarch64 ppc x86"
1849 simd_align_16_if_any="altivec neon sse"
1850
1851 # system capabilities
1852 symver_if_any="symver_asm_label symver_gnu_asm"
1853 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
1854
1855 # threading support
1856 atomics_gcc_if="sync_val_compare_and_swap"
1857 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1858 atomics_win32_if="MemoryBarrier"
1859 atomics_native_if_any="$ATOMICS_LIST"
1860 w32threads_deps="atomics_native"
1861 threads_if_any="$THREADS_LIST"
1862
1863 # subsystems
1864 dct_select="rdft"
1865 dirac_parse_select="golomb"
1866 error_resilience_select="me_cmp"
1867 faandct_deps="faan fdctdsp"
1868 faanidct_deps="faan idctdsp"
1869 h264dsp_select="startcode"
1870 intrax8_select="blockdsp idctdsp"
1871 mdct_select="fft"
1872 rdft_select="fft"
1873 me_cmp_select="fdctdsp idctdsp pixblockdsp"
1874 mpeg_er_select="error_resilience"
1875 mpegaudio_select="mpegaudiodsp"
1876 mpegaudiodsp_select="dct"
1877 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp mpeg_er videodsp"
1878 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
1879 nvenc_deps_any="dlopen LoadLibrary"
1880 nvenc_extralibs='$ldl'
1881 qsvdec_select="qsv"
1882 qsvenc_select="qsv"
1883 vaapi_encode_deps="vaapi"
1884 vc1dsp_select="h264chroma qpeldsp startcode"
1885
1886 # decoders / encoders
1887 aac_decoder_select="imdct15 mdct sinewin"
1888 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
1889 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1890 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
1891 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1892 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
1893 adpcm_g722_decoder_select="g722dsp"
1894 adpcm_g722_encoder_select="g722dsp"
1895 aic_decoder_select="golomb idctdsp"
1896 alac_encoder_select="lpc"
1897 als_decoder_select="bswapdsp"
1898 amrnb_decoder_select="lsp"
1899 amrwb_decoder_select="lsp"
1900 amv_decoder_select="sp5x_decoder"
1901 ape_decoder_select="bswapdsp"
1902 asv1_decoder_select="blockdsp bswapdsp idctdsp"
1903 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
1904 asv2_decoder_select="blockdsp bswapdsp idctdsp"
1905 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
1906 atrac1_decoder_select="mdct sinewin"
1907 atrac3_decoder_select="mdct"
1908 atrac3p_decoder_select="mdct sinewin"
1909 bink_decoder_select="blockdsp hpeldsp"
1910 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
1911 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
1912 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
1913 cllc_decoder_select="bswapdsp"
1914 comfortnoise_encoder_select="lpc"
1915 cook_decoder_select="audiodsp mdct sinewin"
1916 cscd_decoder_select="lzo"
1917 cscd_decoder_suggest="zlib"
1918 dca_decoder_select="fmtconvert mdct"
1919 dds_decoder_select="texturedsp"
1920 dnxhd_decoder_select="blockdsp idctdsp"
1921 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
1922 dvvideo_decoder_select="dvprofile idctdsp"
1923 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
1924 dxa_decoder_deps="zlib"
1925 dxv_decoder_select="lzf texturedsp"
1926 eac3_decoder_select="ac3_decoder"
1927 eac3_encoder_select="ac3_encoder"
1928 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
1929 eatgq_decoder_select="aandcttables idctdsp"
1930 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
1931 exr_decoder_deps="zlib"
1932 ffv1_decoder_select="golomb rangecoder"
1933 ffv1_encoder_select="rangecoder"
1934 ffvhuff_decoder_select="huffyuv_decoder"
1935 ffvhuff_encoder_select="huffyuv_encoder"
1936 fic_decoder_select="golomb"
1937 flac_decoder_select="flacdsp golomb"
1938 flac_encoder_select="bswapdsp flacdsp golomb lpc"
1939 flashsv_decoder_deps="zlib"
1940 flashsv_encoder_deps="zlib"
1941 flashsv2_decoder_deps="zlib"
1942 flv_decoder_select="h263_decoder"
1943 flv_encoder_select="h263_encoder"
1944 fourxm_decoder_select="blockdsp bswapdsp"
1945 fraps_decoder_select="bswapdsp huffman"
1946 g2m_decoder_deps="zlib"
1947 g2m_decoder_select="blockdsp idctdsp jpegtables"
1948 h261_decoder_select="mpeg_er mpegvideo"
1949 h261_encoder_select="aandcttables mpegvideoenc"
1950 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
1951 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1952 h263i_decoder_select="h263_decoder"
1953 h263p_encoder_select="h263_encoder"
1954 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel videodsp"
1955 h264_decoder_suggest="error_resilience"
1956 h264_nvenc_encoder_deps="nvenc"
1957 h264_qsv_decoder_deps="libmfx"
1958 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
1959 h264_qsv_encoder_deps="libmfx"
1960 h264_qsv_encoder_select="qsvenc"
1961 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
1962 h264_vaapi_encoder_select="vaapi_encode golomb"
1963 hap_decoder_select="snappy texturedsp"
1964 hap_encoder_deps="libsnappy"
1965 hap_encoder_select="texturedspenc"
1966 hevc_decoder_select="bswapdsp cabac golomb videodsp"
1967 hevc_nvenc_encoder_deps="nvenc"
1968 hevc_qsv_encoder_deps="libmfx"
1969 hevc_qsv_decoder_deps="libmfx"
1970 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
1971 hevc_qsv_encoder_select="qsvenc"
1972 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
1973 hevc_vaapi_encoder_select="vaapi_encode golomb"
1974 huffyuv_decoder_select="bswapdsp huffyuvdsp"
1975 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
1976 iac_decoder_select="imc_decoder"
1977 imc_decoder_select="bswapdsp fft mdct sinewin"
1978 indeo3_decoder_select="hpeldsp"
1979 indeo4_decoder_select="ividsp"
1980 indeo5_decoder_select="ividsp"
1981 interplay_video_decoder_select="hpeldsp"
1982 jpegls_decoder_select="golomb mjpeg_decoder"
1983 jpegls_encoder_select="golomb"
1984 jv_decoder_select="blockdsp"
1985 lagarith_decoder_select="huffyuvdsp"
1986 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
1987 loco_decoder_select="golomb"
1988 mdec_decoder_select="blockdsp idctdsp mpegvideo"
1989 metasound_decoder_select="lsp mdct sinewin"
1990 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
1991 mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
1992 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
1993 mjpegb_decoder_select="mjpeg_decoder"
1994 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
1995 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
1996 mlp_decoder_select="mlp_parser"
1997 motionpixels_decoder_select="bswapdsp"
1998 mp1_decoder_select="mpegaudio"
1999 mp1float_decoder_select="mpegaudio"
2000 mp2_decoder_select="mpegaudio"
2001 mp2float_decoder_select="mpegaudio"
2002 mp3_decoder_select="mpegaudio"
2003 mp3adu_decoder_select="mpegaudio"
2004 mp3adufloat_decoder_select="mpegaudio"
2005 mp3float_decoder_select="mpegaudio"
2006 mp3on4_decoder_select="mpegaudio"
2007 mp3on4float_decoder_select="mpegaudio"
2008 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2009 mpc8_decoder_select="mpegaudiodsp"
2010 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2011 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2012 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2013 mpeg1video_encoder_select="aandcttables mpegvideoenc"
2014 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2015 mpeg2video_encoder_select="aandcttables mpegvideoenc"
2016 mpeg2_qsv_decoder_deps="libmfx"
2017 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel mpegvideo_parser"
2018 mpeg2_qsv_encoder_deps="libmfx"
2019 mpeg2_qsv_encoder_select="qsvenc"
2020 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2021 mpeg4_encoder_select="h263_encoder"
2022 msa1_decoder_select="mss34dsp"
2023 msmpeg4v1_decoder_select="h263_decoder"
2024 msmpeg4v2_decoder_select="h263_decoder"
2025 msmpeg4v2_encoder_select="h263_encoder"
2026 msmpeg4v3_decoder_select="h263_decoder"
2027 msmpeg4v3_encoder_select="h263_encoder"
2028 mss2_decoder_select="error_resilience mpeg_er mpegvideo vc1_decoder"
2029 mts2_decoder_select="mss34dsp"
2030 mxpeg_decoder_select="mjpeg_decoder"
2031 nellymoser_decoder_select="mdct sinewin"
2032 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2033 nuv_decoder_select="idctdsp lzo"
2034 nvenc_h264_encoder_deps="nvenc"
2035 nvenc_hevc_encoder_deps="nvenc"
2036 on2avc_decoder_select="mdct"
2037 opus_decoder_deps="avresample"
2038 opus_decoder_select="imdct15"
2039 png_decoder_deps="zlib"
2040 png_encoder_deps="zlib"
2041 png_encoder_select="huffyuvencdsp"
2042 prores_decoder_select="idctdsp"
2043 prores_encoder_select="fdctdsp"
2044 qcelp_decoder_select="lsp"
2045 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2046 ra_144_encoder_select="audio_frame_queue lpc"
2047 ralf_decoder_select="golomb"
2048 rscc_decoder_deps="zlib"
2049 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2050 rv10_encoder_select="h263_encoder"
2051 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2052 rv20_encoder_select="h263_encoder"
2053 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2054 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2055 screenpresso_decoder_deps="zlib"
2056 shorten_decoder_select="golomb"
2057 sipr_decoder_select="lsp"
2058 sp5x_decoder_select="mjpeg_decoder"
2059 svq1_decoder_select="hpeldsp"
2060 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2061 svq3_decoder_select="golomb h264dsp h264pred hpeldsp tpeldsp videodsp"
2062 svq3_decoder_suggest="zlib"
2063 tak_decoder_select="audiodsp"
2064 tdsc_decoder_deps="zlib"
2065 tdsc_decoder_select="mjpeg_decoder"
2066 theora_decoder_select="vp3_decoder"
2067 thp_decoder_select="mjpeg_decoder"
2068 tiff_decoder_suggest="zlib"
2069 tiff_encoder_suggest="zlib"
2070 truehd_decoder_select="mlp_decoder"
2071 truemotion2_decoder_select="bswapdsp"
2072 truespeech_decoder_select="bswapdsp"
2073 tscc_decoder_deps="zlib"
2074 txd_decoder_select="texturedsp"
2075 twinvq_decoder_select="mdct lsp sinewin"
2076 utvideo_decoder_select="bswapdsp"
2077 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2078 vble_decoder_select="huffyuvdsp"
2079 vc1_decoder_select="blockdsp error_resilience h263_decoder h264qpel intrax8 mpeg_er mpegvideo vc1dsp"
2080 vc1image_decoder_select="vc1_decoder"
2081 vorbis_decoder_select="mdct"
2082 vorbis_encoder_select="mdct"
2083 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2084 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2085 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2086 vp6a_decoder_select="vp6_decoder"
2087 vp6f_decoder_select="vp6_decoder"
2088 vp7_decoder_select="h264pred videodsp vp8dsp"
2089 vp8_decoder_select="h264pred videodsp vp8dsp"
2090 vp9_decoder_select="videodsp"
2091 webp_decoder_select="vp8_decoder"
2092 wmapro_decoder_select="mdct sinewin wma_freqs"
2093 wmav1_decoder_select="mdct sinewin wma_freqs"
2094 wmav1_encoder_select="mdct sinewin wma_freqs"
2095 wmav2_decoder_select="mdct sinewin wma_freqs"
2096 wmav2_encoder_select="mdct sinewin wma_freqs"
2097 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2098 wmv1_decoder_select="h263_decoder"
2099 wmv1_encoder_select="h263_encoder"
2100 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2101 wmv2_encoder_select="h263_encoder wmv2dsp"
2102 wmv3_decoder_select="vc1_decoder"
2103 wmv3image_decoder_select="wmv3_decoder"
2104 zerocodec_decoder_deps="zlib"
2105 zlib_decoder_deps="zlib"
2106 zlib_encoder_deps="zlib"
2107 zmbv_decoder_deps="zlib"
2108 zmbv_encoder_deps="zlib"
2109
2110 # hardware accelerators
2111 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2112 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2113 vaapi_deps="va_va_h"
2114 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2115 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2116 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2117
2118 h263_vaapi_hwaccel_deps="vaapi"
2119 h263_vaapi_hwaccel_select="h263_decoder"
2120 h264_d3d11va_hwaccel_deps="d3d11va"
2121 h264_d3d11va_hwaccel_select="h264_decoder"
2122 h264_dxva2_hwaccel_deps="dxva2"
2123 h264_dxva2_hwaccel_select="h264_decoder"
2124 h264_mmal_decoder_deps="mmal"
2125 h264_mmal_hwaccel_deps="mmal"
2126 h264_mmal_decoder_select="h264_decoder"
2127 h264_mmal_encoder_deps="mmal"
2128 h264_qsv_hwaccel_deps="libmfx"
2129 h264_vaapi_hwaccel_deps="vaapi"
2130 h264_vaapi_hwaccel_select="h264_decoder"
2131 h264_vda_hwaccel_deps="vda"
2132 h264_vda_hwaccel_select="h264_decoder"
2133 h264_vda_old_hwaccel_deps="vda"
2134 h264_vda_old_hwaccel_select="h264_decoder"
2135 h264_vdpau_hwaccel_deps="vdpau"
2136 h264_vdpau_hwaccel_select="h264_decoder"
2137 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2138 hevc_d3d11va_hwaccel_select="hevc_decoder"
2139 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2140 hevc_dxva2_hwaccel_select="hevc_decoder"
2141 hevc_qsv_hwaccel_deps="libmfx"
2142 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2143 hevc_vdpau_hwaccel_select="hevc_decoder"
2144 mpeg1_vdpau_hwaccel_deps="vdpau"
2145 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2146 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2147 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2148 mpeg2_dxva2_hwaccel_deps="dxva2"
2149 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2150 mpeg2_qsv_hwaccel_deps="libmfx"
2151 mpeg2_vaapi_hwaccel_deps="vaapi"
2152 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2153 mpeg2_vdpau_hwaccel_deps="vdpau"
2154 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2155 mpeg4_vaapi_hwaccel_deps="vaapi"
2156 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2157 mpeg4_vdpau_hwaccel_deps="vdpau"
2158 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2159 vc1_d3d11va_hwaccel_deps="d3d11va"
2160 vc1_d3d11va_hwaccel_select="vc1_decoder"
2161 vc1_dxva2_hwaccel_deps="dxva2"
2162 vc1_dxva2_hwaccel_select="vc1_decoder"
2163 vc1_vaapi_hwaccel_deps="vaapi"
2164 vc1_vaapi_hwaccel_select="vc1_decoder"
2165 vc1_vdpau_hwaccel_deps="vdpau"
2166 vc1_vdpau_hwaccel_select="vc1_decoder"
2167 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2168 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2169 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2170 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2171
2172 # parsers
2173 h264_parser_select="h264_decoder"
2174 hevc_parser_select="golomb"
2175 mpegvideo_parser_select="mpegvideo"
2176 mpeg4video_parser_select="error_resilience h263dsp mpegvideo qpeldsp"
2177 vc1_parser_select="vc1dsp"
2178
2179 # bitstream_filters
2180 mjpeg2jpeg_bsf_select="jpegtables"
2181
2182 # external libraries
2183 libdcadec_decoder_deps="libdcadec"
2184 libfaac_encoder_deps="libfaac"
2185 libfaac_encoder_select="audio_frame_queue"
2186 libfdk_aac_decoder_deps="libfdk_aac"
2187 libfdk_aac_encoder_deps="libfdk_aac"
2188 libfdk_aac_encoder_select="audio_frame_queue"
2189 libgsm_decoder_deps="libgsm"
2190 libgsm_encoder_deps="libgsm"
2191 libgsm_ms_decoder_deps="libgsm"
2192 libgsm_ms_encoder_deps="libgsm"
2193 libilbc_decoder_deps="libilbc"
2194 libilbc_encoder_deps="libilbc"
2195 libkvazaar_encoder_deps="libkvazaar"
2196 libmp3lame_encoder_deps="libmp3lame"
2197 libmp3lame_encoder_select="audio_frame_queue"
2198 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2199 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2200 libopencore_amrnb_encoder_select="audio_frame_queue"
2201 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2202 libopenh264_encoder_deps="libopenh264"
2203 libopenjpeg_decoder_deps="libopenjpeg"
2204 libopenjpeg_encoder_deps="libopenjpeg"
2205 libopus_decoder_deps="libopus"
2206 libopus_encoder_deps="libopus"
2207 libopus_encoder_select="audio_frame_queue"
2208 libschroedinger_decoder_deps="libschroedinger"
2209 libschroedinger_encoder_deps="libschroedinger"
2210 libspeex_decoder_deps="libspeex"
2211 libspeex_encoder_deps="libspeex"
2212 libspeex_encoder_select="audio_frame_queue"
2213 libtheora_encoder_deps="libtheora"
2214 libtwolame_encoder_deps="libtwolame"
2215 libvo_aacenc_encoder_deps="libvo_aacenc"
2216 libvo_aacenc_encoder_select="audio_frame_queue"
2217 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2218 libvorbis_encoder_deps="libvorbis"
2219 libvorbis_encoder_select="audio_frame_queue"
2220 libvpx_vp8_decoder_deps="libvpx"
2221 libvpx_vp8_encoder_deps="libvpx"
2222 libvpx_vp9_decoder_deps="libvpx"
2223 libvpx_vp9_encoder_deps="libvpx"
2224 libwavpack_encoder_deps="libwavpack"
2225 libwebp_encoder_deps="libwebp"
2226 libx262_encoder_deps="libx262"
2227 libx264_encoder_deps="libx264"
2228 libx265_encoder_deps="libx265"
2229 libxavs_encoder_deps="libxavs"
2230 libxvid_encoder_deps="libxvid"
2231
2232 # demuxers / muxers
2233 ac3_demuxer_select="ac3_parser"
2234 asf_demuxer_select="riffdec"
2235 asf_muxer_select="riffenc"
2236 asf_stream_muxer_select="asf_muxer"
2237 avi_demuxer_select="iso_media riffdec"
2238 avi_muxer_select="riffenc"
2239 avisynth_demuxer_deps="avisynth"
2240 avisynth_demuxer_select="riffdec"
2241 caf_demuxer_select="iso_media riffdec"
2242 dash_muxer_select="mp4_muxer"
2243 dirac_demuxer_select="dirac_parser"
2244 dv_demuxer_select="dvprofile"
2245 dv_muxer_select="dvprofile"
2246 dxa_demuxer_select="riffdec"
2247 eac3_demuxer_select="ac3_parser"
2248 f4v_muxer_select="mov_muxer"
2249 flac_demuxer_select="flac_parser"
2250 hds_muxer_select="flv_muxer"
2251 hls_muxer_select="mpegts_muxer"
2252 ipod_muxer_select="mov_muxer"
2253 ismv_muxer_select="mov_muxer"
2254 matroska_audio_muxer_select="matroska_muxer"
2255 matroska_demuxer_select="iso_media riffdec"
2256 matroska_demuxer_suggest="bzlib lzo zlib"
2257 matroska_muxer_select="iso_media riffenc"
2258 mmf_muxer_select="riffenc"
2259 mov_demuxer_select="iso_media riffdec"
2260 mov_demuxer_suggest="zlib"
2261 mov_muxer_select="iso_media riffenc rtpenc_chain"
2262 mp3_demuxer_select="mpegaudio_parser"
2263 mp4_muxer_select="mov_muxer"
2264 mpegts_demuxer_select="iso_media"
2265 mpegts_muxer_select="adts_muxer latm_muxer"
2266 mpegtsraw_demuxer_select="mpegts_demuxer"
2267 mxf_d10_muxer_select="mxf_muxer"
2268 nut_muxer_select="riffenc"
2269 nuv_demuxer_select="riffdec"
2270 oga_muxer_select="ogg_muxer"
2271 ogg_demuxer_select="dirac_parse"
2272 opus_muxer_select="ogg_muxer"
2273 psp_muxer_select="mov_muxer"
2274 rtp_demuxer_select="sdp_demuxer"
2275 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
2276 rtsp_demuxer_select="http_protocol rtpdec"
2277 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2278 sap_demuxer_select="sdp_demuxer"
2279 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2280 sdp_demuxer_select="rtpdec"
2281 smoothstreaming_muxer_select="ismv_muxer"
2282 spdif_muxer_select="aac_parser"
2283 spx_muxer_select="ogg_muxer"
2284 swf_demuxer_suggest="zlib"
2285 tak_demuxer_select="tak_parser"
2286 tg2_muxer_select="mov_muxer"
2287 tgp_muxer_select="mov_muxer"
2288 w64_demuxer_select="wav_demuxer"
2289 wav_demuxer_select="riffdec"
2290 wav_muxer_select="riffenc"
2291 webm_muxer_select="iso_media riffenc"
2292 webm_muxer_suggest="libopus_encoder libvorbis_encoder libvpx_vp8_encoder libvpx_vp9_encoder"
2293 wtv_demuxer_select="mpegts_demuxer riffdec"
2294 xmv_demuxer_select="riffdec"
2295 xwma_demuxer_select="riffdec"
2296
2297 # indevs / outdevs
2298 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2299 alsa_outdev_deps="alsa_asoundlib_h"
2300 avfoundation_indev_deps="AVFoundation_AVFoundation_h"
2301 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2302 dv1394_indev_deps="dv1394"
2303 dv1394_indev_select="dv_demuxer"
2304 fbdev_indev_deps="linux_fb_h"
2305 jack_indev_deps="jack_jack_h"
2306 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
2307 libcdio_indev_deps="libcdio"
2308 libdc1394_indev_deps="libdc1394"
2309 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2310 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2311 pulse_indev_deps="libpulse"
2312 sndio_indev_deps="sndio_h"
2313 sndio_outdev_deps="sndio_h"
2314 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2315 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2316 vfwcap_indev_extralibs="-lavicap32"
2317 x11grab_indev_deps="x11grab"
2318 x11grab_xcb_indev_deps="libxcb"
2319
2320 # protocols
2321 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2322 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2323 ffrtmpcrypt_protocol_select="tcp_protocol"
2324 ffrtmphttp_protocol_deps="!librtmp_protocol"
2325 ffrtmphttp_protocol_select="http_protocol"
2326 gopher_protocol_select="network"
2327 http_protocol_select="tcp_protocol"
2328 httpproxy_protocol_select="tcp_protocol"
2329 https_protocol_select="tls_protocol"
2330 icecast_protocol_select="http_protocol"
2331 librtmp_protocol_deps="librtmp"
2332 librtmpe_protocol_deps="librtmp"
2333 librtmps_protocol_deps="librtmp"
2334 librtmpt_protocol_deps="librtmp"
2335 librtmpte_protocol_deps="librtmp"
2336 mmsh_protocol_select="http_protocol"
2337 mmst_protocol_select="network"
2338 rtmp_protocol_deps="!librtmp_protocol"
2339 rtmp_protocol_select="tcp_protocol"
2340 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2341 rtmps_protocol_deps="!librtmp_protocol"
2342 rtmps_protocol_select="tls_protocol"
2343 rtmpt_protocol_select="ffrtmphttp_protocol"
2344 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2345 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2346 rtp_protocol_select="udp_protocol"
2347 sctp_protocol_deps="struct_sctp_event_subscribe"
2348 sctp_protocol_select="network"
2349 srtp_protocol_select="rtp_protocol srtp"
2350 tcp_protocol_select="network"
2351 tls_gnutls_protocol_deps="gnutls"
2352 tls_gnutls_protocol_select="tcp_protocol"
2353 tls_openssl_protocol_deps="openssl !tls_gnutls_protocol"
2354 tls_openssl_protocol_select="tcp_protocol"
2355 tls_protocol_deps_any="tls_gnutls_protocol tls_openssl_protocol"
2356 udp_protocol_select="network"
2357 unix_protocol_deps="sys_un_h"
2358 unix_protocol_select="network"
2359
2360 # filters
2361 blackframe_filter_deps="gpl"
2362 boxblur_filter_deps="gpl"
2363 bs2b_filter_deps="libbs2b"
2364 cropdetect_filter_deps="gpl"
2365 delogo_filter_deps="gpl"
2366 drawtext_filter_deps="libfreetype"
2367 frei0r_filter_deps="frei0r dlopen"
2368 frei0r_filter_extralibs='$ldl'
2369 frei0r_src_filter_deps="frei0r dlopen"
2370 frei0r_src_filter_extralibs='$ldl'
2371 hqdn3d_filter_deps="gpl"
2372 hwupload_cuda_filter_deps="cuda"
2373 interlace_filter_deps="gpl"
2374 ocv_filter_deps="libopencv"
2375 resample_filter_deps="avresample"
2376 scale_filter_deps="swscale"
2377 scale_npp_filter_deps="cuda libnpp"
2378 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
2379
2380 # examples
2381 avcodec_example_deps="avcodec avutil"
2382 filter_audio_example_deps="avfilter avutil"
2383 metadata_example_deps="avformat avutil"
2384 output_example_deps="avcodec avformat avutil swscale"
2385 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2386 transcode_aac_example_deps="avcodec avformat avresample"
2387
2388 # libraries, in linking order
2389 avcodec_deps="avutil"
2390 avdevice_deps="avformat avcodec avutil"
2391 avfilter_deps="avutil"
2392 avformat_deps="avcodec avutil"
2393 avresample_deps="avutil"
2394 swscale_deps="avutil"
2395
2396 # programs
2397 avconv_deps="avcodec avfilter avformat avresample swscale"
2398 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2399 fps_filter null_filter resample_filter scale_filter
2400 setpts_filter trim_filter"
2401 avplay_deps="avcodec avfilter avformat avresample sdl"
2402 avplay_libs='$sdl_libs'
2403 avplay_select="rdft format_filter transpose_filter hflip_filter vflip_filter"
2404 avprobe_deps="avcodec avformat"
2405
2406 # documentation
2407 pod2man_deps="doc"
2408 texi2html_deps="doc"
2409
2410 # default parameters
2411
2412 logfile="config.log"
2413
2414 # installation paths
2415 prefix_default="/usr/local"
2416 bindir_default='${prefix}/bin'
2417 datadir_default='${prefix}/share/avconv'
2418 docdir_default='${prefix}/share/doc/libav'
2419 incdir_default='${prefix}/include'
2420 libdir_default='${prefix}/lib'
2421 mandir_default='${prefix}/share/man'
2422 shlibdir_default="$libdir_default"
2423
2424 # toolchain
2425 ar_default="ar"
2426 cc_default="gcc"
2427 host_cc_default="gcc"
2428 cp_f="cp -f"
2429 ln_s="ln -s -f"
2430 nm_default="nm -g"
2431 objformat="elf"
2432 pkg_config_default=pkg-config
2433 ranlib="ranlib"
2434 strip="strip"
2435 yasmexe="yasm"
2436
2437 # machine
2438 arch_default=$(uname -m)
2439 cpu="generic"
2440 intrinsics="none"
2441
2442 # OS
2443 target_os_default=$(tolower $(uname -s))
2444 host_os=$target_os_default
2445
2446 # configurable options
2447 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2448
2449 enable asm
2450 enable debug
2451 enable doc
2452 enable faan faandct faanidct
2453 enable optimizations
2454 enable safe_bitstream_reader
2455 enable static
2456 enable swscale_alpha
2457 enable valgrind_backtrace
2458
2459 # By default, enable only those hwaccels that have no external dependencies.
2460 enable d3d11va dxva2 vda vdpau
2461
2462 # build settings
2463 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2464 LIBPREF="lib"
2465 LIBSUF=".a"
2466 FULLNAME='$(NAME)$(BUILDSUF)'
2467 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2468 SLIBPREF="lib"
2469 SLIBSUF=".so"
2470 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2471 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2472 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2473 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2474 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2475 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2476
2477 asflags_filter=echo
2478 cflags_filter=echo
2479 ldflags_filter=echo
2480
2481 AS_C='-c'
2482 AS_O='-o $@'
2483 CC_C='-c'
2484 CC_E='-E -o $@'
2485 CC_O='-o $@'
2486 OBJCC_C='-c'
2487 OBJCC_E='-E -o $@'
2488 OBJCC_O='-o $@'
2489 LD_O='-o $@'
2490 LD_LIB='-l%'
2491 LD_PATH='-L'
2492 HOSTCC_C='-c'
2493 HOSTCC_E='-E -o $@'
2494 HOSTCC_O='-o $@'
2495 HOSTLD_O='-o $@'
2496
2497 host_libs='-lm'
2498 host_cflags_filter=echo
2499 host_ldflags_filter=echo
2500
2501 target_path='$(CURDIR)'
2502
2503 # since the object filename is not given with the -MM flag, the compiler
2504 # is only able to print the basename, and we must add the path ourselves
2505 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2506 DEPFLAGS='-MM'
2507
2508 # find source path
2509 if test -f configure; then
2510 source_path=.
2511 else
2512 source_path=$(cd $(dirname "$0"); pwd)
2513 echo "$source_path" | grep -q '[[:blank:]]' &&
2514 die "Out of tree builds are impossible with whitespace in source path."
2515 test -e "$source_path/config.h" &&
2516 die "Out of tree builds are impossible with config.h in source dir."
2517 fi
2518
2519 for v in "$@"; do
2520 r=${v#*=}
2521 l=${v%"$r"}
2522 r=$(sh_quote "$r")
2523 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2524 done
2525
2526 find_things(){
2527 thing=$1
2528 pattern=$2
2529 file=$source_path/$3
2530 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2531 }
2532
2533 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2534 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2535 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2536 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2537 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2538 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2539 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2540 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2541 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2542
2543 find_things_extern(){
2544 thing=$1
2545 pattern=$2
2546 file=$source_path/$3
2547 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
2548 }
2549
2550 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
2551 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
2552
2553 ALL_COMPONENTS="
2554 $BSF_LIST
2555 $DECODER_LIST
2556 $DEMUXER_LIST
2557 $ENCODER_LIST
2558 $FILTER_LIST
2559 $HWACCEL_LIST
2560 $INDEV_LIST
2561 $MUXER_LIST
2562 $OUTDEV_LIST
2563 $PARSER_LIST
2564 $PROTOCOL_LIST
2565 "
2566
2567 for n in $COMPONENT_LIST; do
2568 v=$(toupper ${n%s})_LIST
2569 eval enable \$$v
2570 eval ${n}_if_any="\$$v"
2571 done
2572
2573 enable $ARCH_EXT_LIST
2574
2575 die_unknown(){
2576 echo "Unknown option \"$1\"."
2577 echo "See $0 --help for available options."
2578 exit 1
2579 }
2580
2581 print_3_columns() {
2582 printf "%-25s %-25s %-25s\n" $(cat | tr ' ' '\n' | sort)
2583 }
2584
2585 show_list() {
2586 suffix=_$1
2587 shift
2588 echo $* | sed s/$suffix//g | print_3_columns
2589 exit 0
2590 }
2591
2592 rand_list(){
2593 IFS=', '
2594 set -- $*
2595 unset IFS
2596 for thing; do
2597 comp=${thing%:*}
2598 prob=${thing#$comp}
2599 prob=${prob#:}
2600 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2601 echo "prob ${prob:-0.5}"
2602 printf '%s\n' $comp
2603 done
2604 }
2605
2606 do_random(){
2607 action=$1
2608 shift
2609 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2610 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2611 }
2612
2613 for opt do
2614 optval="${opt#*=}"
2615 case "$opt" in
2616 --extra-ldflags=*)
2617 add_ldflags $optval
2618 ;;
2619 --extra-ldexeflags=*)
2620 add_ldexeflags $optval
2621 ;;
2622 --extra-libs=*)
2623 add_extralibs $optval
2624 ;;
2625 --disable-devices)
2626 disable $INDEV_LIST $OUTDEV_LIST
2627 ;;
2628 --enable-debug=*)
2629 debuglevel="$optval"
2630 ;;
2631 --disable-programs)
2632 disable $PROGRAM_LIST
2633 ;;
2634 --disable-everything)
2635 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2636 ;;
2637 --disable-all)
2638 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2639 disable $LIBRARY_LIST $PROGRAM_LIST doc
2640 ;;
2641 --enable-random|--disable-random)
2642 action=${opt%%-random}
2643 do_random ${action#--} $COMPONENT_LIST
2644 ;;
2645 --enable-random=*|--disable-random=*)
2646 action=${opt%%-random=*}
2647 do_random ${action#--} $optval
2648 ;;
2649 --enable-*=*|--disable-*=*)
2650 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2651 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2652 eval list=\$$(toupper $thing)_LIST
2653 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2654 $action $(filter "$name" $list)
2655 ;;
2656 --enable-avserver|--disable-avserver*)
2657 warn "avserver has been removed, the ${opt} option is only"\
2658 "provided for compatibility and will be removed in the future"
2659 ;;
2660 --enable-?*|--disable-?*)
2661 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2662 if is_in $option $COMPONENT_LIST; then
2663 test $action = disable && action=unset
2664 eval $action \$$(toupper ${option%s})_LIST
2665 elif is_in $option $CMDLINE_SELECT; then
2666 $action $option
2667 else
2668 die_unknown $opt
2669 fi
2670 ;;
2671 --list-*)
2672 NAME="${opt#--list-}"
2673 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2674 NAME=${NAME%s}
2675 eval show_list $NAME \$$(toupper $NAME)_LIST
2676 ;;
2677 --help|-h) show_help
2678 ;;
2679 *)
2680 optname="${opt%%=*}"
2681 optname="${optname#--}"
2682 optname=$(echo "$optname" | sed 's/-/_/g')
2683 if is_in $optname $CMDLINE_SET; then
2684 eval $optname='$optval'
2685 elif is_in $optname $CMDLINE_APPEND; then
2686 append $optname "$optval"
2687 else
2688 die_unknown $opt
2689 fi
2690 ;;
2691 esac
2692 done
2693
2694 for e in $env; do
2695 eval "export $e"
2696 done
2697
2698 disabled logging && logfile=/dev/null
2699
2700 # Disable all the library-specific components if the library itself
2701 # is disabled, see AVCODEC_LIST and following _LIST variables.
2702
2703 disable_components(){
2704 disabled ${1} && disable $(
2705 eval components="\$$(toupper ${1})_COMPONENTS"
2706 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
2707 )
2708 }
2709
2710 map 'disable_components $v' $LIBRARY_LIST
2711
2712 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2713 set >> $logfile
2714
2715 case "$toolchain" in
2716 *-asan)
2717 cc_default="${toolchain%-asan}"
2718 add_cflags -fsanitize=address
2719 add_ldflags -fsanitize=address
2720 ;;
2721 *-msan)
2722 cc_default="${toolchain%-msan}"
2723 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
2724 add_ldflags -fsanitize=memory
2725 ;;
2726 *-tsan)
2727 cc_default="${toolchain%-tsan}"
2728 add_cflags -fsanitize=thread -pie
2729 add_ldflags -fsanitize=thread -pie
2730 case "$toolchain" in
2731 gcc-tsan)
2732 add_cflags -fPIC
2733 add_ldflags -fPIC
2734 ;;
2735 esac
2736 ;;
2737 *-usan)
2738 cc_default="${toolchain%-usan}"
2739 add_cflags -fsanitize=undefined
2740 add_ldflags -fsanitize=undefined
2741 case "$toolchain" in
2742 clang-usan)
2743 add_cflags -O1
2744 ;;
2745 esac
2746 ;;
2747 valgrind-*)
2748 target_exec_default="valgrind"
2749 case "$toolchain" in
2750 valgrind-massif)
2751 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2752 ;;
2753 valgrind-memcheck)
2754 target_exec_args="--track-origins=yes --leak-check=full"
2755 ;;
2756 esac
2757 ;;
2758 msvc)
2759 # Check whether the current MSVC version needs the C99 converter.
2760 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2761 # support enough of C99 to build libav. Default to the new
2762 # behaviour if the regexp was unable to match anything, since this
2763 # successfully parses the version number of existing supported
2764 # versions that require the converter (MSVC 2010 and 2012).
2765 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2766 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2767 cc_default="cl"
2768 else
2769 cc_default="c99wrap cl"
2770 fi
2771 ld_default="$source_path/compat/windows/mslink"
2772 nm_default="dumpbin -symbols"
2773 ar_default="lib"
2774 case "$arch" in
2775 arm*)
2776 as_default="armasm"
2777 ;;
2778 esac
2779 target_os_default="win32"
2780 # Use a relative path for TMPDIR. This makes sure all the
2781 # ffconf temp files are written with a relative path, avoiding
2782 # issues with msys/win32 path conversion for MSVC parameters
2783 # such as -Fo<file> or -out:<file>.
2784 TMPDIR=.
2785 ;;
2786 icl)
2787 cc_default="icl"
2788 ld_default="xilink"
2789 nm_default="dumpbin -symbols"
2790 ar_default="xilib"
2791 target_os_default="win32"
2792 TMPDIR=.
2793 ;;
2794 gcov)
2795 add_cflags -fprofile-arcs -ftest-coverage
2796 add_ldflags -fprofile-arcs -ftest-coverage
2797 ;;
2798 llvm-cov)
2799 add_cflags -fprofile-arcs -ftest-coverage
2800 add_ldflags --coverage
2801 ;;
2802 hardened)
2803 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
2804 add_cflags -fno-strict-overflow -fstack-protector-all
2805 add_ldflags -Wl,-z,relro -Wl,-z,now
2806 ;;
2807 ?*)
2808 die "Unknown toolchain $toolchain"
2809 ;;
2810 esac
2811
2812 test -n "$cross_prefix" && enable cross_compile
2813
2814 if enabled cross_compile; then
2815 test -n "$arch" && test -n "$target_os" ||
2816 die "Must specify target arch and OS when cross-compiling"
2817 fi
2818
2819 ar_default="${cross_prefix}${ar_default}"
2820 cc_default="${cross_prefix}${cc_default}"
2821 occ_default="${cross_prefix}${occ_default}"
2822 nm_default="${cross_prefix}${nm_default}"
2823 pkg_config_default="${cross_prefix}${pkg_config_default}"
2824 ranlib="${cross_prefix}${ranlib}"
2825 strip="${cross_prefix}${strip}"
2826
2827 sysinclude_default="${sysroot}/usr/include"
2828
2829 set_default arch cc pkg_config sysinclude target_exec target_os
2830 enabled cross_compile || host_cc_default=$cc
2831 set_default host_cc
2832
2833 if ! $pkg_config --version >/dev/null 2>&1; then
2834 warn "$pkg_config not found, library detection may fail."
2835 pkg_config=false
2836 fi
2837
2838 exesuf() {
2839 case $1 in
2840 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2841 esac
2842 }
2843
2844 EXESUF=$(exesuf $target_os)
2845 HOSTEXESUF=$(exesuf $host_os)
2846
2847 # set temporary file name
2848 : ${TMPDIR:=$TEMPDIR}
2849 : ${TMPDIR:=$TMP}
2850 : ${TMPDIR:=/tmp}
2851
2852 if ! check_cmd mktemp -u XXXXXX; then
2853 # simple replacement for missing mktemp
2854 # NOT SAFE FOR GENERAL USE
2855 mktemp(){
2856 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2857 }
2858 fi
2859
2860 tmpfile(){
2861 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2862 (set -C; exec > $tmp) 2>/dev/null ||
2863 die "Unable to create temporary file in $TMPDIR."
2864 append TMPFILES $tmp
2865 eval $1=$tmp
2866 }
2867
2868 trap 'rm -f -- $TMPFILES' EXIT
2869
2870 tmpfile TMPASM .asm
2871 tmpfile TMPC .c
2872 tmpfile TMPE $EXESUF
2873 tmpfile TMPH .h
2874 tmpfile TMPO .o
2875 tmpfile TMPS .S
2876 tmpfile TMPSH .sh
2877 tmpfile TMPV .ver
2878
2879 unset -f mktemp
2880
2881 chmod +x $TMPE
2882
2883 # make sure we can execute files in $TMPDIR
2884 cat > $TMPSH 2>> $logfile <<EOF
2885 #! /bin/sh
2886 EOF
2887 chmod +x $TMPSH >> $logfile 2>&1
2888 if ! $TMPSH >> $logfile 2>&1; then
2889 cat <<EOF
2890 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2891 variable to another directory and make sure that it is not mounted noexec.
2892 EOF
2893 die "Sanity test failed."
2894 fi
2895
2896 armasm_flags(){
2897 for flag; do
2898 case $flag in
2899 # Filter out MSVC cl.exe options from cflags that shouldn't
2900 # be passed to gas-preprocessor
2901 -M[TD]*) ;;
2902 *) echo $flag ;;
2903 esac
2904 done
2905 }
2906
2907 ccc_flags(){
2908 for flag; do
2909 case $flag in
2910 -std=c99) echo -c99 ;;
2911 -mcpu=*) echo -arch ${flag#*=} ;;
2912 -mieee) echo -ieee ;;
2913 -O*|-fast) echo $flag ;;
2914 -fno-math-errno) echo -assume nomath_errno ;;
2915 -g) echo -g3 ;;
2916 -Wall) echo -msg_enable level2 ;;
2917 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2918 -Wl,*) echo $flag ;;
2919 -f*|-W*) ;;
2920 *) echo $flag ;;
2921 esac
2922 done
2923 }
2924
2925 cparser_flags(){
2926 for flag; do
2927 case $flag in
2928 -Wno-switch) echo -Wno-switch-enum ;;
2929 -Wno-format-zero-length) ;;
2930 -Wdisabled-optimization) ;;
2931 -Wno-pointer-sign) echo -Wno-other ;;
2932 *) echo $flag ;;
2933 esac
2934 done
2935 }
2936
2937 msvc_common_flags(){
2938 for flag; do
2939 case $flag in
2940 # In addition to specifying certain flags under the compiler
2941 # specific filters, they must be specified here as well or else the
2942 # generic catch all at the bottom will print the original flag.
2943 -Wall) ;;
2944 -std=c99) ;;
2945 # Common flags
2946 -fomit-frame-pointer) ;;
2947 -g) echo -Z7 ;;
2948 -fno-math-errno) ;;
2949 -fno-common) ;;
2950 -fno-signed-zeros) ;;
2951 -fPIC) ;;
2952 -mthumb) ;;
2953 -march=*) ;;
2954 -lz) echo zlib.lib ;;
2955 -lavifil32) echo vfw32.lib ;;
2956 -lavicap32) echo vfw32.lib user32.lib ;;
2957 -lx264) echo libx264.lib ;;
2958 -l*) echo ${flag#-l}.lib ;;
2959 -L*) echo -libpath:${flag#-L} ;;
2960 *) echo $flag ;;
2961 esac
2962 done
2963 }
2964
2965 msvc_flags(){
2966 msvc_common_flags "$@"
2967 for flag; do
2968 case $flag in
2969 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2970 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2971 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2972 -wd4273 -wd4554 -wd4701 ;;
2973 esac
2974 done
2975 }
2976
2977 icl_flags(){
2978 msvc_common_flags "$@"
2979 for flag; do
2980 case $flag in
2981 # Despite what Intel's documentation says -Wall, which is supported
2982 # on Windows, does enable remarks so disable them here.
2983 -Wall) echo $flag -Qdiag-disable:remark ;;
2984 -std=c99) echo -Qstd=c99 ;;
2985 esac
2986 done
2987 }
2988
2989 pgi_flags(){
2990 for flag; do
2991 case $flag in
2992 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2993 -fomit-frame-pointer) echo -Mnoframe ;;
2994 -g) echo -gopt ;;
2995 *) echo $flag ;;
2996 esac
2997 done
2998 }
2999
3000 suncc_flags(){
3001 for flag; do
3002 case $flag in
3003 -march=*|-mcpu=*)
3004 case "${flag#*=}" in
3005 native) echo -xtarget=native ;;
3006 v9|niagara) echo -xarch=sparc ;;
3007 ultrasparc) echo -xarch=sparcvis ;;
3008 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3009 i586|pentium) echo -xchip=pentium ;;
3010 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3011 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3012 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3013 pentium4*) echo -xtarget=pentium4 ;;
3014 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3015 *-sse3) echo -xarch=sse3 ;;
3016 core2) echo -xarch=ssse3 -xchip=core2 ;;
3017 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
3018 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
3019 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
3020 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3021 k8|opteron|athlon64|athlon-fx)
3022 echo -xarch=sse2a ;;
3023 athlon*) echo -xarch=pentium_proa ;;
3024 esac
3025 ;;
3026 -std=c99) echo -xc99 ;;
3027 -fomit-frame-pointer) echo -xregs=frameptr ;;
3028 -fPIC) echo -KPIC -xcode=pic32 ;;
3029 -W*,*) echo $flag ;;
3030 -f*-*|-W*|-mimpure-text) ;;
3031 -shared) echo -G ;;
3032 *) echo $flag ;;
3033 esac
3034 done
3035 }
3036
3037 tms470_flags(){
3038 for flag; do
3039 case $flag in
3040 -march=*|-mcpu=*)
3041 case "${flag#*=}" in
3042 armv7-a|cortex-a*) echo -mv=7a8 ;;
3043 armv7-r|cortex-r*) echo -mv=7r4 ;;
3044 armv7-m|cortex-m*) echo -mv=7m3 ;;
3045 armv6*|arm11*) echo -mv=6 ;;
3046 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3047 echo -mv=5e ;;
3048 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3049 esac
3050 ;;
3051 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3052 -mfpu=vfp) echo --float_support=vfpv2 ;;
3053 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3054 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3055 -msoft-float) echo --float_support=vfplib ;;
3056 -O[0-3]|-mf=*) echo $flag ;;
3057 -g) echo -g -mn ;;
3058 -pds=*) echo $flag ;;
3059 -D*|-I*) echo $flag ;;
3060 --gcc|--abi=*) echo $flag ;;
3061 -me) echo $flag ;;
3062 esac
3063 done
3064 }
3065
3066 probe_cc(){
3067 pfx=$1
3068 _cc=$2
3069
3070 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3071 unset _ld_o _ldflags _ld_lib _ld_path
3072 unset _depflags _DEPCMD _DEPFLAGS
3073 _flags_filter=echo
3074
3075 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3076 _type=llvm_gcc
3077 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3078 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3079 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3080 _cflags_speed='-O3'
3081 _cflags_size='-Os'
3082 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3083 _type=gcc
3084 gcc_version=$($_cc --version | head -n1)
3085 gcc_basever=$($_cc -dumpversion)
3086 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3087 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3088 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3089 if ! $_cc -dumpversion | grep -q '^2\.'; then
3090 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3091 fi
3092 _cflags_speed='-O3'
3093 _cflags_size='-Os'
3094 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3095 _type=icc
3096 _ident=$($_cc --version | head -n1)
3097 _depflags='-MMD'
3098 _cflags_speed='-O3'
3099 _cflags_size='-Os'
3100 _cflags_noopt='-O1'
3101 elif $_cc -v 2>&1 | grep -q xlc; then
3102 _type=xlc
3103 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3104 _cflags_speed='-O5'
3105 _cflags_size='-O5 -qcompact'
3106 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3107 _type=ccc
3108 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3109 _DEPFLAGS='-M'
3110 _cflags_speed='-fast'
3111 _cflags_size='-O1'
3112 _flags_filter=ccc_flags
3113 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3114 test -d "$sysroot" || die "No valid sysroot specified."
3115 _type=armcc
3116 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3117 armcc_conf="$PWD/armcc.conf"
3118 $_cc --arm_linux_configure \
3119 --arm_linux_config_file="$armcc_conf" \
3120 --configure_sysroot="$sysroot" \
3121 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3122 die "Error creating armcc configuration file."
3123 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3124 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3125 as_default="${cross_prefix}gcc"
3126 _depflags='-MMD'
3127 _cflags_speed='-O3'
3128 _cflags_size='-Os'
3129 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3130 _type=tms470
3131 _ident=$($_cc -version | head -n1 | tr -s ' ')
3132 _flags='--gcc --abi=eabi -me'
3133 _cc_e='-ppl -fe=$@'
3134 _cc_o='-fe=$@'
3135 _depflags='-ppa -ppd=$(@:.o=.d)'
3136 _cflags_speed='-O3 -mf=5'
3137 _cflags_size='-O3 -mf=2'
3138 _flags_filter=tms470_flags
3139 elif $_cc -v 2>&1 | grep -q clang; then
3140 _type=clang
3141 _ident=$($_cc --version 2>/dev/null | head -n1)
3142 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3143 _cflags_speed='-O3'
3144 _cflags_size='-Os'
3145 elif $_cc -V 2>&1 | grep -q Sun; then
3146 _type=suncc
3147 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3148 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3149 _DEPFLAGS='-xM1 -xc99'
3150 _ldflags='-std=c99'
3151 _cflags_speed='-O5'
3152 _cflags_size='-O5 -xspace'
3153 _flags_filter=suncc_flags
3154 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3155 _type=pathscale
3156 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3157 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3158 _cflags_speed='-O2'
3159 _cflags_size='-Os'
3160 _flags_filter='filter_out -Wdisabled-optimization'
3161 elif $_cc -v 2>&1 | grep -q Open64; then
3162 _type=open64
3163 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3164 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3165 _cflags_speed='-O2'
3166 _cflags_size='-Os'
3167 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3168 elif $_cc -V 2>&1 | grep -q Portland; then
3169 _type=pgi
3170 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3171 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3172 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3173 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3174 _cflags_noopt="-O1"
3175 _flags_filter=pgi_flags
3176 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3177 _type=armasm
3178 _ident=$($_cc | head -n1)
3179 # 4509: "This form of conditional instruction is deprecated"
3180 _flags="-nologo -ignore 4509"
3181 _flags_filter=armasm_flags
3182 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3183 _type=msvc
3184 _ident=$($_cc 2>&1 | head -n1)
3185 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3186 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3187 _cflags_speed="-O2"
3188 _cflags_size="-O1"
3189 if $_cc -nologo- 2>&1 | grep -q Linker; then
3190 _ld_o='-out:$@'
3191 else
3192 _ld_o='-Fe$@'
3193 fi
3194 _cc_o='-Fo$@'
3195 _cc_e='-P -Fi$@'
3196 _flags_filter=msvc_flags
3197 _ld_lib='lib%.a'
3198 _ld_path='-libpath:'
3199 _flags='-nologo'
3200 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS'
3201 elif $_cc 2>&1 | grep -q Intel; then
3202 _type=icl
3203 _ident=$($_cc 2>&1 | head -n1)
3204 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3205 # Not only is O3 broken on 13.x+ but it is slower on all previous
3206 # versions (tested) as well.
3207 _cflags_speed="-O2"
3208 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3209 if $_cc 2>&1 | grep -q Linker; then
3210 _ld_o='-out:$@'
3211 else
3212 _ld_o='-Fe$@'
3213 fi
3214 _cc_o='-Fo$@'
3215 _cc_e='-P'
3216 _flags_filter=icl_flags
3217 _ld_lib='lib%.a'
3218 _ld_path='-libpath:'
3219 # -Qdiag-error to make icl error when seeing certain unknown arguments
3220 _flags='-nologo -Qdiag-error:4044,10157'
3221 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3222 # with MSVC which enables it by default.
3223 _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS'
3224 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3225 _type=cparser
3226 _ident=$($_cc --version | head -n1)
3227 _depflags='-MMD'
3228 _cflags_speed='-O4'
3229 _cflags_size='-O2'
3230 _flags_filter=cparser_flags
3231 fi
3232
3233 eval ${pfx}_type=\$_type
3234 eval ${pfx}_ident=\$_ident
3235 }
3236
3237 set_ccvars(){
3238 eval ${1}_C=\${_cc_c-\${${1}_C}}
3239 eval ${1}_E=\${_cc_e-\${${1}_E}}
3240 eval ${1}_O=\${_cc_o-\${${1}_O}}
3241
3242 if [ -n "$_depflags" ]; then
3243 eval ${1}_DEPFLAGS=\$_depflags
3244 else
3245 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3246 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3247 eval DEP${1}FLAGS=\$_flags
3248 fi
3249 }
3250
3251 probe_cc cc "$cc"
3252 cflags_filter=$_flags_filter
3253 cflags_speed=$_cflags_speed
3254 cflags_size=$_cflags_size
3255 cflags_noopt=$_cflags_noopt
3256 add_cflags $_flags $_cflags
3257 cc_ldflags=$_ldflags
3258 set_ccvars CC
3259
3260 probe_cc hostcc "$host_cc"
3261 host_cflags_filter=$_flags_filter
3262 add_host_cflags $_flags $_cflags
3263 set_ccvars HOSTCC
3264
3265 test -n "$cc_type" && enable $cc_type ||
3266 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3267
3268 : ${as_default:=$cc}
3269 : ${objcc_default:=$cc}
3270 : ${dep_cc_default:=$cc}
3271 : ${ld_default:=$cc}
3272 : ${host_ld_default:=$host_cc}
3273 set_default ar as objcc dep_cc ld host_ld
3274
3275 probe_cc as "$as"
3276 asflags_filter=$_flags_filter
3277 add_asflags $_flags $_cflags
3278 set_ccvars AS
3279
3280 probe_cc objcc "$objcc"
3281 objcflags_filter=$_flags_filter
3282 add_objcflags $_flags $_cflags
3283 set_ccvars OBJC
3284
3285 probe_cc ld "$ld"
3286 ldflags_filter=$_flags_filter
3287 add_ldflags $_flags $_ldflags
3288 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3289 LD_O=${_ld_o-$LD_O}
3290 LD_LIB=${_ld_lib-$LD_LIB}
3291 LD_PATH=${_ld_path-$LD_PATH}
3292
3293 probe_cc hostld "$host_ld"
3294 host_ldflags_filter=$_flags_filter
3295 add_host_ldflags $_flags $_ldflags
3296 HOSTLD_O=${_ld_o-$HOSTLD_O}
3297
3298 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3299 probe_cc depcc "$dep_cc"
3300 CCDEP=${_DEPCMD:-$DEPCMD}
3301 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3302 DEPCCFLAGS=$_flags
3303 fi
3304
3305 if $ar 2>&1 | grep -q Microsoft; then
3306 arflags="-nologo"
3307 ar_o='-out:$@'
3308 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3309 arflags="rq"
3310 ar_o='$@'
3311 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3312 arflags='-Xany -r -c'
3313 ar_o='$@'
3314 else
3315 arflags="rc"
3316 ar_o='$@'
3317 fi
3318
3319 add_cflags $extra_cflags
3320 add_objcflags $extra_objcflags
3321 add_asflags $extra_cflags
3322
3323 if test -n "$sysroot"; then
3324 case "$cc_type" in
3325 gcc|llvm_gcc|clang)
3326 add_cppflags --sysroot="$sysroot"
3327 add_ldflags --sysroot="$sysroot"
3328 ;;
3329 tms470)
3330 add_cppflags -I"$sysinclude"
3331 add_ldflags --sysroot="$sysroot"
3332 ;;
3333 esac
3334 fi
3335
3336 if test "$cpu" = host; then
3337 enabled cross_compile &&
3338 die "--cpu=host makes no sense when cross-compiling."
3339
3340 case "$cc_type" in
3341 gcc|llvm_gcc)
3342 check_native(){
3343 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3344 sed -n "/cc1.*$1=/{
3345 s/.*$1=\\([^ ]*\\).*/\\1/
3346 p
3347 q
3348 }" $TMPE
3349 }
3350 cpu=$(check_native -march || check_native -mcpu)
3351 ;;
3352 esac
3353
3354 test "${cpu:-host}" = host &&
3355 die "--cpu=host not supported with compiler $cc"
3356 fi
3357
3358 # Deal with common $arch aliases
3359 case "$arch" in
3360 aarch64|arm64)
3361 arch="aarch64"
3362 ;;
3363 arm*)
3364 arch="arm"
3365 ;;
3366 mips*|IP*)
3367 case "$arch" in
3368 *el)
3369 add_cppflags -EL
3370 add_ldflags -EL
3371 ;;
3372 *eb)
3373 add_cppflags -EB
3374 add_ldflags -EB
3375 ;;
3376 esac
3377 arch="mips"
3378 ;;
3379 parisc*|hppa*)
3380 arch="parisc"
3381 ;;
3382 "Power Macintosh"|ppc*|powerpc*)
3383 arch="ppc"
3384 ;;
3385 s390|s390x)
3386 arch="s390"
3387 ;;
3388 sh4|sh)
3389 arch="sh4"
3390 ;;
3391 sun4u|sparc*)
3392 arch="sparc"
3393 ;;
3394 tilegx|tile-gx)
3395 arch="tilegx"
3396 ;;
3397 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3398 arch="x86"
3399 ;;
3400 esac
3401
3402 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3403 enable $arch
3404
3405 # Add processor-specific flags
3406 if enabled aarch64; then
3407
3408 case $cpu in
3409 armv*)
3410 cpuflags="-march=$cpu"
3411 ;;
3412 *)
3413 cpuflags="-mcpu=$cpu"
3414 ;;
3415 esac
3416
3417 elif enabled alpha; then
3418
3419 cpuflags="-mcpu=$cpu"
3420
3421 elif enabled arm; then
3422
3423 check_arm_arch() {
3424 check_cpp_condition stddef.h \
3425 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3426 $cpuflags
3427 }
3428
3429 probe_arm_arch() {
3430 if check_arm_arch 4; then echo armv4;
3431 elif check_arm_arch 4T; then echo armv4t;
3432 elif check_arm_arch 5; then echo armv5;
3433 elif check_arm_arch 5E; then echo armv5e;
3434 elif check_arm_arch 5T; then echo armv5t;
3435 elif check_arm_arch 5TE; then echo armv5te;
3436 elif check_arm_arch 5TEJ; then echo armv5te;
3437 elif check_arm_arch 6; then echo armv6;
3438 elif check_arm_arch 6J; then echo armv6j;
3439 elif check_arm_arch 6K; then echo armv6k;
3440 elif check_arm_arch 6Z; then echo armv6z;
3441 elif check_arm_arch 6ZK; then echo armv6zk;
3442 elif check_arm_arch 6T2; then echo armv6t2;
3443 elif check_arm_arch 7; then echo armv7;
3444 elif check_arm_arch 7A 7_A; then echo armv7-a;
3445 elif check_arm_arch 7S; then echo armv7-a;
3446 elif check_arm_arch 7R 7_R; then echo armv7-r;
3447 elif check_arm_arch 7M 7_M; then echo armv7-m;
3448 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3449 elif check_arm_arch 8A 8_A; then echo armv8-a;
3450 fi
3451 }
3452
3453 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3454
3455 case $cpu in
3456 armv*)
3457 cpuflags="-march=$cpu"
3458 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3459 ;;
3460 *)
3461 cpuflags="-mcpu=$cpu"
3462 case $cpu in
3463 cortex-a*) subarch=armv7a ;;
3464 cortex-r*) subarch=armv7r ;;
3465 cortex-m*) enable thumb; subarch=armv7m ;;
3466 arm11*) subarch=armv6 ;;
3467 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3468 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3469 *) subarch=$(probe_arm_arch) ;;
3470 esac
3471 ;;
3472 esac
3473
3474 case "$subarch" in
3475 armv5t*) enable fast_clz ;;
3476 armv[6-8]*) enable fast_clz fast_unaligned ;;
3477 esac
3478
3479 elif enabled avr32; then
3480
3481 case $cpu in
3482 ap7[02]0[0-2])
3483 subarch="avr32_ap"
3484 cpuflags="-mpart=$cpu"
3485 ;;
3486 ap)
3487 subarch="avr32_ap"
3488 cpuflags="-march=$cpu"
3489 ;;
3490 uc3[ab]*)
3491 subarch="avr32_uc"
3492 cpuflags="-mcpu=$cpu"
3493 ;;
3494 uc)
3495 subarch="avr32_uc"
3496 cpuflags="-march=$cpu"
3497 ;;
3498 esac
3499
3500 elif enabled bfin; then
3501
3502 cpuflags="-mcpu=$cpu"
3503
3504 elif enabled mips; then
3505
3506 cpuflags="-march=$cpu"
3507
3508 elif enabled ppc; then
3509
3510 disable ldbrx
3511
3512 case $(tolower $cpu) in
3513 601|ppc601|powerpc601)
3514 cpuflags="-mcpu=601"
3515 disable altivec
3516 ;;
3517 603*|ppc603*|powerpc603*)
3518 cpuflags="-mcpu=603"
3519 disable altivec
3520 ;;
3521 604*|ppc604*|powerpc604*)
3522 cpuflags="-mcpu=604"
3523 disable altivec
3524 ;;
3525 g3|75*|ppc75*|powerpc75*)
3526 cpuflags="-mcpu=750"
3527 disable altivec
3528 ;;
3529 g4|745*|ppc745*|powerpc745*)
3530 cpuflags="-mcpu=7450"
3531 disable vsx
3532 ;;
3533 74*|ppc74*|powerpc74*)
3534 cpuflags="-mcpu=7400"
3535 disable vsx
3536 ;;
3537 g5|970|ppc970|powerpc970)
3538 cpuflags="-mcpu=970"
3539 disable vsx
3540 ;;
3541 power[3-6]*)
3542 cpuflags="-mcpu=$cpu"
3543 disable vsx
3544 ;;
3545 power[7-8]*)
3546 cpuflags="-mcpu=$cpu"
3547 enable ldbrx
3548 ;;
3549 cell)
3550 cpuflags="-mcpu=cell"
3551 enable ldbrx
3552 disable vsx
3553 ;;
3554 e500mc)
3555 cpuflags="-mcpu=e500mc"
3556 disable altivec
3557 ;;
3558 e500v2)
3559 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3560 disable altivec
3561 disable dcbzl
3562 ;;
3563 e500)
3564 cpuflags="-mcpu=8540 -mhard-float"
3565 disable altivec
3566 disable dcbzl
3567 ;;
3568 esac
3569
3570 elif enabled sparc; then
3571
3572 case $cpu in
3573 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3574 cpuflags="-mcpu=$cpu"
3575 ;;
3576 ultrasparc*|niagara[234])
3577 cpuflags="-mcpu=$cpu"
3578 ;;
3579 esac
3580
3581 elif enabled x86; then
3582
3583 case $cpu in
3584 i[345]86|pentium)
3585 cpuflags="-march=$cpu"
3586 disable i686
3587 disable mmx
3588 ;;
3589 # targets that do NOT support nopl and conditional mov (cmov)
3590 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3591 cpuflags="-march=$cpu"
3592 disable i686
3593 ;;
3594 # targets that do support nopl and conditional mov (cmov)
3595 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3596 cpuflags="-march=$cpu"
3597 enable i686
3598 enable fast_cmov
3599 ;;
3600 # targets that do support conditional mov but on which it's slow
3601 pentium4|pentium4m|prescott|nocona)
3602 cpuflags="-march=$cpu"
3603 enable i686
3604 disable fast_cmov
3605 ;;
3606 esac
3607
3608 fi
3609
3610 if [ "$cpu" != generic ]; then
3611 add_cflags $cpuflags
3612 add_asflags $cpuflags
3613 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
3614 fi
3615
3616 # compiler sanity check
3617 check_exec <<EOF
3618 int main(void){ return 0; }
3619 EOF
3620 if test "$?" != 0; then
3621 echo "$cc is unable to create an executable file."
3622 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3623 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3624 echo "Only do this if you know what cross compiling means."
3625 fi
3626 die "C compiler test failed."
3627 fi
3628
3629 add_cppflags -D_ISOC99_SOURCE
3630 check_cflags -std=c99
3631 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3632 #include <stdlib.h>
3633 EOF
3634 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3635 #include <stdlib.h>
3636 EOF
3637
3638 add_host_cppflags -D_ISOC99_SOURCE
3639 check_host_cflags -std=c99
3640 check_host_cflags -Wall
3641 check_host_cflags -O3
3642
3643 check_64bit(){
3644 arch32=$1
3645 arch64=$2
3646 expr=$3
3647 check_code cc "" "int test[2*($expr) - 1]" &&
3648 subarch=$arch64 || subarch=$arch32
3649 }
3650
3651 case "$arch" in
3652 aarch64|alpha|ia64)
3653 spic=$shared
3654 ;;
3655 mips)
3656 check_64bit mips mips64 '_MIPS_SIM > 1'
3657 spic=$shared
3658 ;;
3659 parisc)
3660 check_64bit parisc parisc64 'sizeof(void *) > 4'
3661 spic=$shared
3662 ;;
3663 ppc)
3664 check_64bit ppc ppc64 'sizeof(void *) > 4'
3665 spic=$shared
3666 ;;
3667 s390)
3668 check_64bit s390 s390x 'sizeof(void *) > 4'
3669 spic=$shared
3670 ;;
3671 sparc)
3672 check_64bit sparc sparc64 'sizeof(void *) > 4'
3673 spic=$shared
3674 ;;
3675 x86)
3676 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3677 if test "$subarch" = "x86_64"; then
3678 spic=$shared
3679 fi
3680 ;;
3681 esac
3682
3683 enable $subarch
3684 enabled spic && enable_weak pic
3685
3686 # OS specific
3687 case $target_os in
3688 aix)
3689 SHFLAGS=-shared
3690 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3691 enabled shared && add_ldflags -Wl,-brtl
3692 ;;
3693 android)
3694 disable symver
3695 enable section_data_rel_ro
3696 SLIB_INSTALL_NAME='$(SLIBNAME)'
3697 SLIB_INSTALL_LINKS=
3698 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
3699 ;;
3700 haiku)
3701 prefix_default="/boot/common"
3702 network_extralibs="-lnetwork"
3703 host_libs=
3704 ;;
3705 sunos)
3706 SHFLAGS='-shared -Wl,-h,$$(@F)'
3707 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3708 network_extralibs="-lsocket -lnsl"
3709 # When using suncc to build, the Solaris linker will mark
3710 # an executable with each instruction set encountered by
3711 # the Solaris assembler. As our libraries contain their own
3712 # guards for processor-specific code, instead suppress
3713 # generation of the HWCAPS ELF section on Solaris x86 only.
3714 enabled_all suncc x86 &&
3715 echo "hwcap_1 = OVERRIDE;" > mapfile &&am