configure: Force-enable select_any dependencies only on --enable
[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-frei0r enable frei0r video filtering
183 --enable-gnutls enable gnutls [no]
184 --enable-libbs2b enable bs2b DSP library [no]
185 --enable-libcdio enable audio CD grabbing with libcdio
186 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
187 and libraw1394 [no]
188 --enable-libdcadec enable DCA decoding via libdcadec [no]
189 --enable-libfaac enable AAC encoding via libfaac [no]
190 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
191 --enable-libfreetype enable libfreetype [no]
192 --enable-libgsm enable GSM de/encoding via libgsm [no]
193 --enable-libilbc enable iLBC de/encoding via libilbc [no]
194 --enable-libkvazaar enable HEVC encoding via libkvazaar [no]
195 --enable-libmfx enable HW acceleration through libmfx
196 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
197 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
198 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
199 --enable-libopencv enable video filtering via libopencv [no]
200 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
201 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
202 --enable-libopus enable Opus de/encoding via libopus [no]
203 --enable-libpulse enable Pulseaudio input via libpulse [no]
204 --enable-librtmp enable RTMP[E] support via librtmp [no]
205 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
206 --enable-libsnappy enable Snappy compression [no]
207 --enable-libspeex enable Speex de/encoding via libspeex [no]
208 --enable-libtheora enable Theora encoding via libtheora [no]
209 --enable-libtwolame enable MP2 encoding via libtwolame [no]
210 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
211 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
212 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
213 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
214 --enable-libwavpack enable wavpack encoding via libwavpack [no]
215 --enable-libwebp enable WebP encoding via libwebp [no]
216 --enable-libx264 enable H.264 encoding via x264 [no]
217 --enable-libx265 enable HEVC encoding via x265 [no]
218 --enable-libxavs enable AVS encoding via xavs [no]
219 --enable-libxcb enable X11 grabbing using XCB [no]
220 --enable-libxcb-shm enable X11 grabbing shm communication [auto]
221 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [auto]
222 --enable-libxvid enable Xvid encoding via xvidcore,
223 native MPEG-4/Xvid encoder exists [no]
224 --enable-mmal enable decoding via MMAL [no]
225 --enable-nvenc enable encoding via NVENC [no]
226 --enable-openssl enable openssl [no]
227 --enable-x11grab enable X11 grabbing (legacy) [no]
228 --enable-zlib enable zlib [autodetect]
229
230 Toolchain options:
231 --arch=ARCH select architecture [$arch]
232 --cpu=CPU select the minimum required CPU (affects
233 instruction selection, may crash on older CPUs)
234 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
235 --enable-cross-compile assume a cross-compiler is used
236 --sysroot=PATH root of cross-build tree
237 --sysinclude=PATH location of cross-build system headers
238 --target-os=OS compiler targets OS [$target_os]
239 --target-exec=CMD command to run executables on target
240 --target-path=DIR path to view of build directory on target
241 --target-samples=DIR path to samples directory on target
242 --toolchain=NAME set tool defaults according to NAME
243 --nm=NM use nm tool
244 --ar=AR use archive tool AR [$ar_default]
245 --as=AS use assembler AS [$as_default]
246 --cc=CC use C compiler CC [$cc_default]
247 --objcc=OCC use ObjC compiler OCC [$cc_default]
248 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
249 --ld=LD use linker LD
250 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
251 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
252 --host-cc=HOSTCC use host C compiler HOSTCC
253 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
254 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
255 --host-ld=HOSTLD use host linker HOSTLD
256 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
257 --host-libs=HLIBS use libs HLIBS when linking for host
258 --host-os=OS compiler host OS [$target_os]
259 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
260 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
261 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
262 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
263 --extra-libs=ELIBS add ELIBS [$ELIBS]
264 --extra-version=STRING version string suffix []
265 --optflags=OPTFLAGS override optimization-related compiler flags
266 --build-suffix=SUFFIX library name suffix []
267 --enable-pic build position-independent code
268 --enable-thumb compile for Thumb instruction set
269 --enable-lto use link-time optimization
270 --env="ENV=override" override the environment variables
271
272 Advanced options (experts only):
273 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
274 --custom-allocator=NAME use a supported custom allocator
275 --disable-symver disable symbol versioning
276 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
277 --disable-safe-bitstream-reader
278 disable buffer boundary checking in bitreaders
279 (faster, but may crash)
280 --enable-memalign-hack emulate memalign, interferes with memory debuggers
281 --enable-sram allow use of on-chip SRAM
282
283 Optimization options (experts only):
284 --disable-asm disable all assembly optimizations
285 --disable-altivec disable AltiVec optimizations
286 --disable-vsx disable VSX optimizations
287 --disable-power8 disable POWER8 optimizations
288 --disable-amd3dnow disable 3DNow! optimizations
289 --disable-amd3dnowext disable 3DNow! extended optimizations
290 --disable-mmx disable MMX optimizations
291 --disable-mmxext disable MMXEXT optimizations
292 --disable-sse disable SSE optimizations
293 --disable-sse2 disable SSE2 optimizations
294 --disable-sse3 disable SSE3 optimizations
295 --disable-ssse3 disable SSSE3 optimizations
296 --disable-sse4 disable SSE4 optimizations
297 --disable-sse42 disable SSE4.2 optimizations
298 --disable-avx disable AVX optimizations
299 --disable-xop disable XOP optimizations
300 --disable-fma3 disable FMA3 optimizations
301 --disable-fma4 disable FMA4 optimizations
302 --disable-avx2 disable AVX2 optimizations
303 --disable-armv5te disable armv5te optimizations
304 --disable-armv6 disable armv6 optimizations
305 --disable-armv6t2 disable armv6t2 optimizations
306 --disable-vfp disable VFP optimizations
307 --disable-neon disable NEON optimizations
308 --disable-inline-asm disable use of inline assembly
309 --disable-yasm disable use of nasm/yasm assembly
310
311 Developer options (useful when working on Libav itself):
312 --disable-debug disable debugging symbols
313 --enable-debug=LEVEL set the debug level [$debuglevel]
314 --disable-optimizations disable compiler optimizations
315 --enable-extra-warnings enable more compiler warnings
316 --samples=PATH location of test samples for FATE, if not set use
317 \$LIBAV_SAMPLES at make invocation time.
318 --enable-neon-clobber-test check NEON registers for clobbering (should be
319 used only for debugging purposes)
320 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
321 should be used only for debugging purposes)
322 --enable-random randomly enable/disable components
323 --disable-random
324 --enable-random=LIST randomly enable/disable specific components or
325 --disable-random=LIST component groups. LIST is a comma-separated list
326 of NAME[:PROB] entries where NAME is a component
327 (group) and PROB the probability associated with
328 NAME (default 0.5).
329 --random-seed=VALUE seed value for --enable/disable-random
330 --disable-valgrind-backtrace do not print a backtrace under Valgrind
331 (only applies to --disable-optimizations builds)
332
333 NOTE: Object files are built at the place where configure is launched.
334 EOF
335 exit 0
336 }
337
338 quotes='""'
339
340 log(){
341 echo "$@" >> $logfile
342 }
343
344 log_file(){
345 log BEGIN $1
346 i=1
347 while read line; do
348 printf '%5s %s\n' "${i}" "${line}"
349 i=$(($i+1))
350 done < $1 >> $logfile
351 log END $1
352 }
353
354 echolog(){
355 log "$@"
356 echo "$@"
357 }
358
359 warn(){
360 log "WARNING: $*"
361 WARNINGS="${WARNINGS}WARNING: $*\n"
362 }
363
364 die(){
365 echolog "$@"
366 cat <<EOF
367
368 If you think configure made a mistake, make sure you are using the latest
369 version from Git. If the latest version fails, report the problem to the
370 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
371 EOF
372 if disabled logging; then
373 cat <<EOF
374 Rerun configure with logging enabled (do not use --disable-logging), and
375 include the log this produces with your report.
376 EOF
377 else
378 cat <<EOF
379 Include the log file "$logfile" produced by configure as this will help
380 solving the problem.
381 EOF
382 fi
383 exit 1
384 }
385
386 # Avoid locale weirdness, besides we really just want to translate ASCII.
387 toupper(){
388 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
389 }
390
391 tolower(){
392 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
393 }
394
395 c_escape(){
396 echo "$*" | sed 's/["\\]/\\\0/g'
397 }
398
399 sh_quote(){
400 v=$(echo "$1" | sed "s/'/'\\\\''/g")
401 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
402 echo "$v"
403 }
404
405 cleanws(){
406 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
407 }
408
409 filter(){
410 pat=$1
411 shift
412 for v; do
413 eval "case $v in $pat) echo $v ;; esac"
414 done
415 }
416
417 filter_out(){
418 pat=$1
419 shift
420 for v; do
421 eval "case $v in $pat) ;; *) echo $v ;; esac"
422 done
423 }
424
425 map(){
426 m=$1
427 shift
428 for v; do eval $m; done
429 }
430
431 add_suffix(){
432 suffix=$1
433 shift
434 for v; do echo ${v}${suffix}; done
435 }
436
437 set_all(){
438 value=$1
439 shift
440 for var in $*; do
441 eval $var=$value
442 done
443 }
444
445 set_weak(){
446 value=$1
447 shift
448 for var; do
449 eval : \${$var:=$value}
450 done
451 }
452
453 sanitize_var_name(){
454 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
455 }
456
457 set_safe(){
458 var=$1
459 shift
460 eval $(sanitize_var_name "$var")='$*'
461 }
462
463 get_safe(){
464 eval echo \$$(sanitize_var_name "$1")
465 }
466
467 pushvar(){
468 for pvar in $*; do
469 eval level=\${${pvar}_level:=0}
470 eval ${pvar}_${level}="\$$pvar"
471 eval ${pvar}_level=$(($level+1))
472 done
473 }
474
475 popvar(){
476 for pvar in $*; do
477 eval level=\${${pvar}_level:-0}
478 test $level = 0 && continue
479 eval level=$(($level-1))
480 eval $pvar="\${${pvar}_${level}}"
481 eval ${pvar}_level=$level
482 eval unset ${pvar}_${level}
483 done
484 }
485
486 enable(){
487 set_all yes $*
488 }
489
490 check_requested() {
491 for var; do
492 eval test "x\$${var#!}_requested" = "xyes" && die "${var#*_} ${var/_*} cannot be enabled"
493 done
494 }
495
496 disable(){
497 set_all no $*
498 check_requested $*
499 }
500
501 enable_weak(){
502 set_weak yes $*
503 }
504
505 disable_weak(){
506 set_weak no $*
507 }
508
509 enable_safe(){
510 for var; do
511 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
512 done
513 }
514
515 disable_safe(){
516 for var; do
517 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
518 done
519 }
520
521 do_enable_deep(){
522 for var; do
523 enabled $var && continue
524 eval sel="\$${var}_select"
525 eval sgs="\$${var}_suggest"
526 pushvar var sgs
527 enable_deep $sel
528 popvar sgs
529 enable_deep_weak $sgs
530 popvar var
531 done
532 }
533
534 enable_deep(){
535 do_enable_deep $*
536 enable $*
537 }
538
539 enable_deep_weak(){
540 for var; do
541 disabled $var && continue
542 pushvar var
543 do_enable_deep $var
544 popvar var
545 enable_weak $var
546 done
547 }
548
549 do_enable_deep_force(){
550 for var; do
551 enabled $var && continue
552 eval sel="\$${var}_select\ \$${var}_suggest\ \$${var}_select_any"
553 pushvar var
554 enable_deep_force $sel
555 popvar var
556 done
557 }
558
559 enable_deep_force(){
560 do_enable_deep_force $*
561 enable $*
562 }
563
564 request(){
565 for var; do
566 enable ${var}_requested
567 done
568 enable_deep_force $*
569 }
570
571 enabled(){
572 test "${1#!}" = "$1" && op== || op=!=
573 eval test "x\$${1#!}" $op "xyes"
574 }
575
576 disabled(){
577 test "${1#!}" = "$1" && op== || op=!=
578 eval test "x\$${1#!}" $op "xno"
579 }
580
581 enabled_all(){
582 for opt; do
583 enabled $opt || return 1
584 done
585 }
586
587 disabled_all(){
588 for opt; do
589 disabled $opt || return 1
590 done
591 }
592
593 enabled_any(){
594 for opt; do
595 enabled $opt && return 0
596 done
597 }
598
599 disabled_any(){
600 for opt; do
601 disabled $opt && return 0
602 done
603 return 1
604 }
605
606 set_default(){
607 for opt; do
608 eval : \${$opt:=\$${opt}_default}
609 done
610 }
611
612 is_in(){
613 value=$1
614 shift
615 for var in $*; do
616 [ $var = $value ] && return 0
617 done
618 return 1
619 }
620
621 do_check_deps(){
622 for cfg; do
623 cfg="${cfg#!}"
624 enabled ${cfg}_checking && die "Circular dependency for $cfg."
625 disabled ${cfg}_checking && continue
626 enable ${cfg}_checking
627 append allopts $cfg
628
629 eval dep_all="\$${cfg}_deps"
630 eval dep_any="\$${cfg}_deps_any\ \$${cfg}_select_any"
631 eval dep_sel="\$${cfg}_select"
632 eval dep_sgs="\$${cfg}_suggest"
633 eval dep_ifa="\$${cfg}_if"
634 eval dep_ifn="\$${cfg}_if_any"
635
636 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
637 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
638 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
639
640 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
641 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
642 enabled_all $dep_all || disable $cfg
643 enabled_any $dep_any || disable $cfg
644 disabled_any $dep_sel && disable $cfg
645
646 if enabled $cfg; then
647 enable_deep $dep_sel
648 enable_deep_weak $dep_sgs
649 fi
650
651 disable ${cfg}_checking
652 done
653 }
654
655 check_deps(){
656 unset allopts
657
658 do_check_deps "$@"
659
660 for cfg in $allopts; do
661 enabled $cfg || continue
662 eval dep_extralibs="\$${cfg}_extralibs"
663 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
664 done
665 }
666
667 print_config(){
668 pfx=$1
669 files=$2
670 shift 2
671 map 'eval echo "$v \${$v:-no}"' "$@" |
672 awk "BEGIN { split(\"$files\", files) }
673 {
674 c = \"$pfx\" toupper(\$1);
675 v = \$2;
676 sub(/yes/, 1, v);
677 sub(/no/, 0, v);
678 for (f in files) {
679 file = files[f];
680 if (file ~ /\\.h\$/) {
681 printf(\"#define %s %d\\n\", c, v) >>file;
682 } else if (file ~ /\\.asm\$/) {
683 printf(\"%%define %s %d\\n\", c, v) >>file;
684 } else if (file ~ /\\.mak\$/) {
685 n = -v ? \"\" : \"!\";
686 printf(\"%s%s=yes\\n\", n, c) >>file;
687 }
688 }
689 }"
690 }
691
692 print_enabled(){
693 suf=$1
694 shift
695 for v; do
696 enabled $v && printf "%s\n" ${v%$suf};
697 done
698 }
699
700 append(){
701 var=$1
702 shift
703 eval "$var=\"\$$var $*\""
704 }
705
706 prepend(){
707 var=$1
708 shift
709 eval "$var=\"$* \$$var\""
710 }
711
712 unique(){
713 var=$1
714 uniq_list=""
715 for tok in $(eval echo \$$var); do
716 uniq_list="$(filter_out $tok $uniq_list) $tok"
717 done
718 eval "$var=\"${uniq_list}\""
719 }
720
721 add_cppflags(){
722 append CPPFLAGS "$@"
723 }
724
725 add_cflags(){
726 append CFLAGS $($cflags_filter "$@")
727 }
728
729 add_asflags(){
730 append ASFLAGS $($asflags_filter "$@")
731 }
732
733 add_objcflags(){
734 append OBJCFLAGS $($objcflags_filter "$@")
735 }
736
737 add_ldflags(){
738 append LDFLAGS $($ldflags_filter "$@")
739 }
740
741 add_ldexeflags(){
742 append LDEXEFLAGS $($ldflags_filter "$@")
743 }
744
745 add_stripflags(){
746 append STRIPFLAGS "$@"
747 }
748
749 add_extralibs(){
750 prepend extralibs $($ldflags_filter "$@")
751 }
752
753 add_host_cppflags(){
754 append host_cppflags "$@"
755 }
756
757 add_host_cflags(){
758 append host_cflags $($host_cflags_filter "$@")
759 }
760
761 add_host_ldflags(){
762 append host_ldflags $($host_ldflags_filter "$@")
763 }
764
765 add_compat(){
766 append compat_objs $1
767 shift
768 map 'add_cppflags -D$v' "$@"
769 }
770
771 check_cmd(){
772 log "$@"
773 "$@" >> $logfile 2>&1
774 }
775
776 cc_o(){
777 eval printf '%s\\n' $CC_O
778 }
779
780 cc_e(){
781 eval printf '%s\\n' $CC_E
782 }
783
784 check_cc(){
785 log check_cc "$@"
786 cat > $TMPC
787 log_file $TMPC
788 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
789 }
790
791 check_objcc(){
792 log check_objcc "$@"
793 cat > $TMPC
794 log_file $TMPC
795 check_cmd $objcc $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPC
796 }
797
798 check_cpp(){
799 log check_cpp "$@"
800 cat > $TMPC
801 log_file $TMPC
802 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
803 }
804
805 as_o(){
806 eval printf '%s\\n' $AS_O
807 }
808
809 check_as(){
810 log check_as "$@"
811 cat > $TMPS
812 log_file $TMPS
813 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
814 }
815
816 check_inline_asm(){
817 log check_inline_asm "$@"
818 name="$1"
819 code="$2"
820 shift 2
821 disable $name
822 check_cc "$@" <<EOF && enable $name
823 void foo(void){ __asm__ volatile($code); }
824 EOF
825 }
826
827 check_insn(){
828 log check_insn "$@"
829 check_inline_asm ${1}_inline "\"$2\""
830 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
831 }
832
833 check_yasm(){
834 log check_yasm "$@"
835 echo "$1" > $TMPS
836 log_file $TMPS
837 shift 1
838 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
839 }
840
841 ld_o(){
842 eval printf '%s\\n' $LD_O
843 }
844
845 check_ld(){
846 log check_ld "$@"
847 flags=$(filter_out '-l*' "$@")
848 libs=$(filter '-l*' "$@")
849 check_cc $($cflags_filter $flags) || return
850 flags=$($ldflags_filter $flags)
851 libs=$($ldflags_filter $libs)
852 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
853 }
854
855 print_include(){
856 hdr=$1
857 test "${hdr%.h}" = "${hdr}" &&
858 echo "#include $hdr" ||
859 echo "#include <$hdr>"
860 }
861
862 check_code(){
863 log check_code "$@"
864 check=$1
865 headers=$2
866 code=$3
867 shift 3
868 {
869 for hdr in $headers; do
870 print_include $hdr
871 done
872 echo "int main(void) { $code; return 0; }"
873 } | check_$check "$@"
874 }
875
876 check_cppflags(){
877 log check_cppflags "$@"
878 check_cc "$@" <<EOF && append CPPFLAGS "$@"
879 int x;
880 EOF
881 }
882
883 test_cflags(){
884 log test_cflags "$@"
885 set -- $($cflags_filter "$@")
886 check_cc "$@" <<EOF
887 int x;
888 EOF
889 }
890
891 check_cflags(){
892 log check_cflags "$@"
893 test_cflags "$@" && add_cflags "$@"
894 }
895
896 test_objcflags(){
897 log test_cflags "$@"
898 set -- $($cflags_filter "$@")
899 check_objcc "$@" <<EOF
900 int x;
901 EOF
902 }
903
904 check_objcflags(){
905 log check_cflags "$@"
906 test_objcflags "$@" && add_objcflags "$@"
907 }
908
909 test_ldflags(){
910 log test_ldflags "$@"
911 check_ld "$@" <<EOF
912 int main(void){ return 0; }
913 EOF
914 }
915
916 check_ldflags(){
917 log check_ldflags "$@"
918 test_ldflags "$@" && add_ldflags "$@"
919 }
920
921 test_stripflags(){
922 log test_stripflags "$@"
923 # call check_cc to get a fresh TMPO
924 check_cc <<EOF
925 int main(void) { return 0; }
926 EOF
927 check_cmd $strip $STRIPFLAGS "$@" $TMPO
928 }
929
930 check_stripflags(){
931 log check_stripflags "$@"
932 test_stripflags "$@" && add_stripflags "$@"
933 }
934
935 check_header(){
936 log check_header "$@"
937 header=$1
938 shift
939 disable_safe $header
940 check_cpp "$@" <<EOF && enable_safe $header
941 #include <$header>
942 int x;
943 EOF
944 }
945
946 check_func(){
947 log check_func "$@"
948 func=$1
949 shift
950 disable $func
951 check_ld "$@" <<EOF && enable $func
952 extern int $func();
953 int main(void){ $func(); }
954 EOF
955 }
956
957 check_mathfunc(){
958 log check_mathfunc "$@"
959 func=$1
960 narg=$2
961 shift 2
962 test $narg = 2 && args="f, g" || args="f"
963 disable $func
964 check_ld "$@" <<EOF && enable $func
965 #include <math.h>
966 float foo(float f, float g) { return $func($args); }
967 int main(void){ return 0; }
968 EOF
969 }
970
971 check_func_headers(){
972 log check_func_headers "$@"
973 headers=$1
974 funcs=$2
975 shift 2
976 {
977 for hdr in $headers; do
978 print_include $hdr
979 done
980 for func in $funcs; do
981 echo "long check_$func(void) { return (long) $func; }"
982 done
983 echo "int main(void) { return 0; }"
984 } | check_ld "$@" && enable $funcs && enable_safe $headers
985 }
986
987 check_cpp_condition(){
988 log check_cpp_condition "$@"
989 header=$1
990 condition=$2
991 shift 2
992 check_cpp "$@" <<EOF
993 #include <$header>
994 #if !($condition)
995 #error "unsatisfied condition: $condition"
996 #endif
997 EOF
998 }
999
1000 check_lib(){
1001 log check_lib "$@"
1002 header="$1"
1003 func="$2"
1004 shift 2
1005 check_header $header && check_func $func "$@" && add_extralibs "$@"
1006 }
1007
1008 check_lib2(){
1009 log check_lib2 "$@"
1010 headers="$1"
1011 funcs="$2"
1012 shift 2
1013 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1014 }
1015
1016 check_pkg_config(){
1017 log check_pkg_config "$@"
1018 pkg="$1"
1019 headers="$2"
1020 funcs="$3"
1021 shift 3
1022 check_cmd $pkg_config --exists --print-errors $pkg || return
1023 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1024 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1025 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1026 set_safe "${pkg}_cflags" $pkg_cflags &&
1027 set_safe "${pkg}_libs" $pkg_libs
1028 }
1029
1030 check_exec(){
1031 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1032 }
1033
1034 check_exec_crash(){
1035 code=$(cat)
1036
1037 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1038 # are safe but may not be available everywhere. Thus we use
1039 # raise(SIGTERM) instead. The check is run in a subshell so we
1040 # can redirect the "Terminated" message from the shell. SIGBUS
1041 # is not defined by standard C so it is used conditionally.
1042
1043 (check_exec "$@") >> $logfile 2>&1 <<EOF
1044 #include <signal.h>
1045 static void sighandler(int sig){
1046 raise(SIGTERM);
1047 }
1048 int foo(void){
1049 $code
1050 }
1051 int (*func_ptr)(void) = foo;
1052 int main(void){
1053 signal(SIGILL, sighandler);
1054 signal(SIGFPE, sighandler);
1055 signal(SIGSEGV, sighandler);
1056 #ifdef SIGBUS
1057 signal(SIGBUS, sighandler);
1058 #endif
1059 return func_ptr();
1060 }
1061 EOF
1062 }
1063
1064 check_type(){
1065 log check_type "$@"
1066 headers=$1
1067 type=$2
1068 shift 2
1069 disable_safe "$type"
1070 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1071 }
1072
1073 check_struct(){
1074 log check_struct "$@"
1075 headers=$1
1076 struct=$2
1077 member=$3
1078 shift 3
1079 disable_safe "${struct}_${member}"
1080 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1081 enable_safe "${struct}_${member}"
1082 }
1083
1084 check_builtin(){
1085 log check_builtin "$@"
1086 name=$1
1087 headers=$2
1088 builtin=$3
1089 shift 3
1090 disable "$name"
1091 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1092 }
1093
1094 check_compile_assert(){
1095 log check_compile_assert "$@"
1096 name=$1
1097 headers=$2
1098 condition=$3
1099 shift 3
1100 disable "$name"
1101 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1102 }
1103
1104 require(){
1105 name="$1"
1106 header="$2"
1107 func="$3"
1108 shift 3
1109 check_lib $header $func "$@" || die "ERROR: $name not found"
1110 }
1111
1112 require2(){
1113 name="$1"
1114 headers="$2"
1115 func="$3"
1116 shift 3
1117 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1118 }
1119
1120 require_pkg_config(){
1121 pkg="$1"
1122 check_pkg_config "$@" || die "ERROR: $pkg not found"
1123 add_cflags $(get_safe "${pkg}_cflags")
1124 add_extralibs $(get_safe "${pkg}_libs")
1125 }
1126
1127 hostcc_e(){
1128 eval printf '%s\\n' $HOSTCC_E
1129 }
1130
1131 hostcc_o(){
1132 eval printf '%s\\n' $HOSTCC_O
1133 }
1134
1135 check_host_cc(){
1136 log check_host_cc "$@"
1137 cat > $TMPC
1138 log_file $TMPC
1139 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1140 }
1141
1142 check_host_cpp(){
1143 log check_host_cpp "$@"
1144 cat > $TMPC
1145 log_file $TMPC
1146 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1147 }
1148
1149 check_host_cppflags(){
1150 log check_host_cppflags "$@"
1151 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1152 int x;
1153 EOF
1154 }
1155
1156 check_host_cflags(){
1157 log check_host_cflags "$@"
1158 set -- $($host_cflags_filter "$@")
1159 check_host_cc "$@" <<EOF && append host_cflags "$@"
1160 int x;
1161 EOF
1162 }
1163
1164 check_host_cpp_condition(){
1165 log check_host_cpp_condition "$@"
1166 header=$1
1167 condition=$2
1168 shift 2
1169 check_host_cpp "$@" <<EOF
1170 #include <$header>
1171 #if !($condition)
1172 #error "unsatisfied condition: $condition"
1173 #endif
1174 EOF
1175 }
1176
1177 apply(){
1178 file=$1
1179 shift
1180 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1181 }
1182
1183 cp_if_changed(){
1184 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1185 mkdir -p "$(dirname $2)"
1186 $cp_f "$1" "$2"
1187 }
1188
1189 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1190 # system-dependent things.
1191
1192 AVCODEC_COMPONENTS="
1193 bsfs
1194 decoders
1195 encoders
1196 hwaccels
1197 parsers
1198 "
1199
1200 AVDEVICE_COMPONENTS="
1201 indevs
1202 outdevs
1203 "
1204 AVFILTER_COMPONENTS="
1205 filters
1206 "
1207 AVFORMAT_COMPONENTS="
1208 demuxers
1209 muxers
1210 protocols
1211 "
1212
1213 AVRESAMPLE_COMPONENTS=""
1214 AVUTIL_COMPONENTS=""
1215
1216 COMPONENT_LIST="
1217 $AVCODEC_COMPONENTS
1218 $AVDEVICE_COMPONENTS
1219 $AVFILTER_COMPONENTS
1220 $AVFORMAT_COMPONENTS
1221 $AVRESAMPLE_COMPONENTS
1222 $AVUTIL_COMPONENTS
1223 "
1224
1225 EXAMPLE_LIST="
1226 avcodec_example
1227 filter_audio_example
1228 metadata_example
1229 output_example
1230 qsvdec_example
1231 transcode_aac_example
1232 "
1233
1234 EXTERNAL_LIBRARY_LIST="
1235 avisynth
1236 bzlib
1237 frei0r
1238 gnutls
1239 libbs2b
1240 libcdio
1241 libdc1394
1242 libdcadec
1243 libfaac
1244 libfdk_aac
1245 libfontconfig
1246 libfreetype
1247 libgsm
1248 libilbc
1249 libkvazaar
1250 libmfx
1251 libmp3lame
1252 libopencore_amrnb
1253 libopencore_amrwb
1254 libopencv
1255 libopenh264
1256 libopenjpeg
1257 libopus
1258 libpulse
1259 librtmp
1260 libschroedinger
1261 libsnappy
1262 libspeex
1263 libtheora
1264 libtwolame
1265 libvo_aacenc
1266 libvo_amrwbenc
1267 libvorbis
1268 libvpx
1269 libwavpack
1270 libwebp
1271 libx264
1272 libx265
1273 libxavs
1274 libxcb
1275 libxcb_shm
1276 libxcb_xfixes
1277 libxvid
1278 mmal
1279 nvenc
1280 openssl
1281 x11grab
1282 zlib
1283 "
1284
1285 FEATURE_LIST="
1286 gray
1287 hardcoded_tables
1288 runtime_cpudetect
1289 safe_bitstream_reader
1290 shared
1291 small
1292 sram
1293 static
1294 swscale_alpha
1295 "
1296
1297 HWACCEL_LIST="
1298 d3d11va
1299 dxva2
1300 vaapi
1301 vda
1302 vdpau
1303 "
1304
1305 LIBRARY_LIST="
1306 avcodec
1307 avdevice
1308 avfilter
1309 avformat
1310 avresample
1311 avutil
1312 swscale
1313 "
1314
1315 LICENSE_LIST="
1316 gpl
1317 nonfree
1318 version3
1319 "
1320
1321 PROGRAM_LIST="
1322 avconv
1323 avplay
1324 avprobe
1325 "
1326
1327 SUBSYSTEM_LIST="
1328 dct
1329 doc
1330 error_resilience
1331 faan
1332 fft
1333 lsp
1334 lzo
1335 mdct
1336 network
1337 rdft
1338 "
1339
1340 CONFIG_LIST="
1341 $COMPONENT_LIST
1342 $EXAMPLE_LIST
1343 $EXTERNAL_LIBRARY_LIST
1344 $FEATURE_LIST
1345 $HWACCEL_LIST
1346 $LICENSE_LIST
1347 $LIBRARY_LIST
1348 $PROGRAM_LIST
1349 $SUBSYSTEM_LIST
1350 memalign_hack
1351 neon_clobber_test
1352 pic
1353 pod2man
1354 texi2html
1355 thumb
1356 valgrind_backtrace
1357 xmm_clobber_test
1358 "
1359
1360 THREADS_LIST="
1361 pthreads
1362 w32threads
1363 "
1364
1365 ATOMICS_LIST="
1366 atomics_gcc
1367 atomics_suncc
1368 atomics_win32
1369 "
1370
1371 ARCH_LIST="
1372 aarch64
1373 alpha
1374 arm
1375 avr32
1376 avr32_ap
1377 avr32_uc
1378 bfin
1379 ia64
1380 m68k
1381 mips
1382 mips64
1383 parisc
1384 ppc
1385 ppc64
1386 s390
1387 sh4
1388 sparc
1389 sparc64
1390 tilegx
1391 tilepro
1392 tomi
1393 x86
1394 x86_32
1395 x86_64
1396 "
1397
1398 ARCH_EXT_LIST_ARM="
1399 armv5te
1400 armv6
1401 armv6t2
1402 armv8
1403 neon
1404 vfp
1405 vfpv3
1406 "
1407
1408 ARCH_EXT_LIST_X86_SIMD="
1409 amd3dnow
1410 amd3dnowext
1411 avx
1412 avx2
1413 fma3
1414 fma4
1415 mmx
1416 mmxext
1417 sse
1418 sse2
1419 sse3
1420 sse4
1421 sse42
1422 ssse3
1423 xop
1424 "
1425
1426 ARCH_EXT_LIST_PPC="
1427 altivec
1428 dcbzl
1429 ldbrx
1430 power8
1431 ppc4xx
1432 vsx
1433 "
1434
1435 ARCH_EXT_LIST_X86="
1436 $ARCH_EXT_LIST_X86_SIMD
1437 cpunop
1438 i686
1439 "
1440
1441 ARCH_EXT_LIST_MIPS="
1442 loongson
1443 mips32r1
1444 mips64r1
1445 mips32r2
1446 mips64r2
1447 mips32r6
1448 mips64r6
1449 "
1450
1451 ARCH_EXT_LIST="
1452 $ARCH_EXT_LIST_ARM
1453 $ARCH_EXT_LIST_MIPS
1454 $ARCH_EXT_LIST_PPC
1455 $ARCH_EXT_LIST_X86
1456 vis
1457 "
1458
1459 ARCH_FEATURES="
1460 aligned_stack
1461 fast_64bit
1462 fast_clz
1463 fast_cmov
1464 local_aligned_8
1465 local_aligned_16
1466 simd_align_16
1467 "
1468
1469 BUILTIN_LIST="
1470 atomic_cas_ptr
1471 machine_rw_barrier
1472 MemoryBarrier
1473 mm_empty
1474 rdtsc
1475 sync_val_compare_and_swap
1476 "
1477 HAVE_LIST_CMDLINE="
1478 inline_asm
1479 symver
1480 yasm
1481 "
1482
1483 HAVE_LIST_PUB="
1484 bigendian
1485 fast_unaligned
1486 "
1487
1488 HEADERS_LIST="
1489 AVFoundation_AVFoundation_h
1490 alsa_asoundlib_h
1491 altivec_h
1492 arpa_inet_h
1493 cdio_paranoia_h
1494 cdio_paranoia_paranoia_h
1495 dev_bktr_ioctl_bt848_h
1496 dev_bktr_ioctl_meteor_h
1497 dev_ic_bt8xx_h
1498 dev_video_bktr_ioctl_bt848_h
1499 dev_video_meteor_ioctl_meteor_h
1500 direct_h
1501 dlfcn_h
1502 d3d11_h
1503 dxva_h
1504 gsm_h
1505 io_h
1506 mach_mach_time_h
1507 machine_ioctl_bt848_h
1508 machine_ioctl_meteor_h
1509 malloc_h
1510 poll_h
1511 sndio_h
1512 soundcard_h
1513 sys_mman_h
1514 sys_param_h
1515 sys_resource_h
1516 sys_select_h
1517 sys_soundcard_h
1518 sys_time_h
1519 sys_un_h
1520 sys_videoio_h
1521 unistd_h
1522 valgrind_valgrind_h
1523 windows_h
1524 winsock2_h
1525 "
1526
1527 INTRINSICS_LIST="
1528 intrinsics_neon
1529 "
1530
1531 MATH_FUNCS="
1532 atanf
1533 atan2f
1534 cbrtf
1535 cosf
1536 exp2
1537 exp2f
1538 expf
1539 isinf
1540 isnan
1541 ldexpf
1542 llrint
1543 llrintf
1544 log2
1545 log2f
1546 log10f
1547 lrint
1548 lrintf
1549 powf
1550 rint
1551 round
1552 roundf
1553 sinf
1554 trunc
1555 truncf
1556 "
1557
1558 SYSTEM_FUNCS="
1559 aligned_malloc
1560 clock_gettime
1561 closesocket
1562 CommandLineToArgvW
1563 CoTaskMemFree
1564 CryptGenRandom
1565 dlopen
1566 fcntl
1567 flt_lim
1568 fork
1569 getaddrinfo
1570 gethrtime
1571 getopt
1572 GetProcessAffinityMask
1573 GetProcessMemoryInfo
1574 GetProcessTimes
1575 getrusage
1576 GetSystemTimeAsFileTime
1577 gettimeofday
1578 gmtime_r
1579 inet_aton
1580 isatty
1581 jack_port_get_latency_range
1582 LoadLibrary
1583 localtime_r
1584 mach_absolute_time
1585 MapViewOfFile
1586 memalign
1587 mkstemp
1588 mmap
1589 mprotect
1590 nanosleep
1591 posix_memalign
1592 sched_getaffinity
1593 SetConsoleTextAttribute
1594 setmode
1595 setrlimit
1596 Sleep
1597 strerror_r
1598 sysconf
1599 sysctl
1600 usleep
1601 VirtualAlloc
1602 "
1603
1604 TOOLCHAIN_FEATURES="
1605 as_dn_directive
1606 as_func
1607 as_object_arch
1608 asm_mod_q
1609 attribute_may_alias
1610 attribute_packed
1611 ebp_available
1612 ebx_available
1613 gnu_as
1614 ibm_asm
1615 inline_asm_labels
1616 pragma_deprecated
1617 symver_asm_label
1618 symver_gnu_asm
1619 vfp_args
1620 xform_asm
1621 xmm_clobbers
1622 "
1623
1624 TYPES_LIST="
1625 CONDITION_VARIABLE_Ptr
1626 socklen_t
1627 struct_addrinfo
1628 struct_group_source_req
1629 struct_ip_mreq_source
1630 struct_ipv6_mreq
1631 struct_pollfd
1632 struct_rusage_ru_maxrss
1633 struct_sockaddr_in6
1634 struct_sockaddr_sa_len
1635 struct_sockaddr_storage
1636 struct_v4l2_frmivalenum_discrete
1637 "
1638
1639 HAVE_LIST="
1640 $ARCH_EXT_LIST
1641 $(add_suffix _external $ARCH_EXT_LIST)
1642 $(add_suffix _inline $ARCH_EXT_LIST)
1643 $ARCH_FEATURES
1644 $ATOMICS_LIST
1645 $BUILTIN_LIST
1646 $HAVE_LIST_CMDLINE
1647 $HAVE_LIST_PUB
1648 $HEADERS_LIST
1649 $INTRINSICS_LIST
1650 $MATH_FUNCS
1651 $SYSTEM_FUNCS
1652 $THREADS_LIST
1653 $TOOLCHAIN_FEATURES
1654 $TYPES_LIST
1655 atomics_native
1656 dos_paths
1657 dxva2_lib
1658 libc_msvcrt
1659 libdc1394_1
1660 libdc1394_2
1661 sdl
1662 section_data_rel_ro
1663 threads
1664 vaapi_x11
1665 vdpau_x11
1666 xlib
1667 "
1668
1669 # options emitted with CONFIG_ prefix but not available on the command line
1670 CONFIG_EXTRA="
1671 aandcttables
1672 ac3dsp
1673 audio_frame_queue
1674 audiodsp
1675 blockdsp
1676 bswapdsp
1677 cabac
1678 dirac_parse
1679 dvprofile
1680 faandct
1681 faanidct
1682 fdctdsp
1683 flacdsp
1684 fmtconvert
1685 g722dsp
1686 gcrypt
1687 gmp
1688 golomb
1689 gplv3
1690 h263dsp
1691 h264chroma
1692 h264dsp
1693 h264pred
1694 h264qpel
1695 hpeldsp
1696 huffman
1697 huffyuvdsp
1698 huffyuvencdsp
1699 idctdsp
1700 iirfilter
1701 imdct15
1702 intrax8
1703 ividsp
1704 jpegtables
1705 libx262
1706 lgplv3
1707 lpc
1708 lzf
1709 me_cmp
1710 mpeg_er
1711 mpegaudio
1712 mpegaudiodsp
1713 mpegvideo
1714 mpegvideoenc
1715 mss34dsp
1716 pixblockdsp
1717 qpeldsp
1718 qsv
1719 qsvdec
1720 qsvenc
1721 rangecoder
1722 riffdec
1723 riffenc
1724 rtpdec
1725 rtpenc_chain
1726 rv34dsp
1727 sinewin
1728 snappy
1729 startcode
1730 texturedsp
1731 texturedspenc
1732 tpeldsp
1733 videodsp
1734 vp3dsp
1735 vp56dsp
1736 vp8dsp
1737 wma_freqs
1738 wmv2dsp
1739 "
1740
1741 CMDLINE_SELECT="
1742 $ARCH_EXT_LIST
1743 $CONFIG_LIST
1744 $HAVE_LIST_CMDLINE
1745 $THREADS_LIST
1746 asm
1747 cross_compile
1748 debug
1749 extra_warnings
1750 logging
1751 lto
1752 optimizations
1753 rpath
1754 "
1755
1756 PATHS_LIST="
1757 bindir
1758 datadir
1759 docdir
1760 incdir
1761 libdir
1762 mandir
1763 prefix
1764 shlibdir
1765 "
1766
1767 CMDLINE_SET="
1768 $PATHS_LIST
1769 ar
1770 arch
1771 as
1772 build_suffix
1773 cc
1774 objcc
1775 cpu
1776 cross_prefix
1777 custom_allocator
1778 dep_cc
1779 env
1780 extra_version
1781 host_cc
1782 host_cflags
1783 host_ld
1784 host_ldflags
1785 host_libs
1786 host_os
1787 ld
1788 logfile
1789 malloc_prefix
1790 nm
1791 optflags
1792 pkg_config
1793 pkg_config_flags
1794 random_seed
1795 samples
1796 sysinclude
1797 sysroot
1798 target_exec
1799 target_os
1800 target_path
1801 target_samples
1802 toolchain
1803 "
1804
1805 CMDLINE_APPEND="
1806 extra_cflags
1807 extra_objcflags
1808 host_cppflags
1809 "
1810
1811 # code dependency declarations
1812
1813 # architecture extensions
1814
1815 armv5te_deps="arm"
1816 armv6_deps="arm"
1817 armv6t2_deps="arm"
1818 armv8_deps="aarch64"
1819 neon_deps_any="aarch64 arm"
1820 intrinsics_neon_deps="neon"
1821 vfp_deps_any="aarch64 arm"
1822 vfpv3_deps="vfp"
1823
1824 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1825
1826 altivec_deps="ppc"
1827 ppc4xx_deps="ppc"
1828 vsx_deps="altivec"
1829 power8_deps="vsx"
1830
1831 cpunop_deps="i686"
1832 x86_64_select="i686"
1833 x86_64_suggest="fast_cmov"
1834
1835 amd3dnow_deps="mmx"
1836 amd3dnowext_deps="amd3dnow"
1837 i686_deps="x86"
1838 mmx_deps="x86"
1839 mmxext_deps="mmx"
1840 sse_deps="mmxext"
1841 sse2_deps="sse"
1842 sse3_deps="sse2"
1843 ssse3_deps="sse3"
1844 sse4_deps="ssse3"
1845 sse42_deps="sse4"
1846 avx_deps="sse42"
1847 xop_deps="avx"
1848 fma3_deps="avx"
1849 fma4_deps="avx"
1850 avx2_deps="avx"
1851
1852 mmx_external_deps="yasm"
1853 mmx_inline_deps="inline_asm"
1854 mmx_suggest="mmx_external mmx_inline"
1855
1856 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1857 eval dep=\$${ext}_deps
1858 eval ${ext}_external_deps='"${dep}_external"'
1859 eval ${ext}_inline_deps='"${dep}_inline"'
1860 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1861 done
1862
1863 aligned_stack_if_any="aarch64 ppc x86"
1864 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1865 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1866 fast_unaligned_if_any="aarch64 ppc x86"
1867 simd_align_16_if_any="altivec neon sse"
1868
1869 # system capabilities
1870 symver_if_any="symver_asm_label symver_gnu_asm"
1871 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
1872
1873 # threading support
1874 atomics_gcc_if="sync_val_compare_and_swap"
1875 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1876 atomics_win32_if="MemoryBarrier"
1877 atomics_native_if_any="$ATOMICS_LIST"
1878 w32threads_deps="atomics_native"
1879 threads_if_any="$THREADS_LIST"
1880
1881 # subsystems
1882 dct_select="rdft"
1883 dirac_parse_select="golomb"
1884 error_resilience_select="me_cmp"
1885 faandct_deps="faan fdctdsp"
1886 faanidct_deps="faan idctdsp"
1887 intrax8_select="error_resilience"
1888 mdct_select="fft"
1889 rdft_select="fft"
1890 me_cmp_select="fdctdsp idctdsp pixblockdsp"
1891 mpeg_er_select="error_resilience"
1892 mpegaudio_select="mpegaudiodsp"
1893 mpegaudiodsp_select="dct"
1894 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp videodsp"
1895 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
1896 nvenc_deps_any="dlopen LoadLibrary"
1897 nvenc_extralibs='$ldl'
1898 qsvdec_select="qsv"
1899 qsvenc_select="qsv"
1900
1901 # decoders / encoders
1902 aac_decoder_select="imdct15 mdct sinewin"
1903 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
1904 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1905 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
1906 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1907 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
1908 adpcm_g722_decoder_select="g722dsp"
1909 adpcm_g722_encoder_select="g722dsp"
1910 aic_decoder_select="golomb idctdsp"
1911 alac_encoder_select="lpc"
1912 als_decoder_select="bswapdsp"
1913 amrnb_decoder_select="lsp"
1914 amrwb_decoder_select="lsp"
1915 amv_decoder_select="sp5x_decoder"
1916 ape_decoder_select="bswapdsp"
1917 asv1_decoder_select="blockdsp bswapdsp idctdsp"
1918 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
1919 asv2_decoder_select="blockdsp bswapdsp idctdsp"
1920 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
1921 atrac1_decoder_select="mdct sinewin"
1922 atrac3_decoder_select="mdct"
1923 atrac3p_decoder_select="mdct sinewin"
1924 bink_decoder_select="blockdsp hpeldsp"
1925 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
1926 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
1927 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
1928 cllc_decoder_select="bswapdsp"
1929 comfortnoise_encoder_select="lpc"
1930 cook_decoder_select="audiodsp mdct sinewin"
1931 cscd_decoder_select="lzo"
1932 cscd_decoder_suggest="zlib"
1933 dca_decoder_select="fmtconvert mdct"
1934 dds_decoder_select="texturedsp"
1935 dnxhd_decoder_select="blockdsp idctdsp"
1936 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
1937 dvvideo_decoder_select="dvprofile idctdsp"
1938 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
1939 dxa_decoder_deps="zlib"
1940 dxv_decoder_select="lzf texturedsp"
1941 eac3_decoder_select="ac3_decoder"
1942 eac3_encoder_select="ac3_encoder"
1943 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
1944 eatgq_decoder_select="aandcttables idctdsp"
1945 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
1946 exr_decoder_deps="zlib"
1947 ffv1_decoder_select="golomb rangecoder"
1948 ffv1_encoder_select="rangecoder"
1949 ffvhuff_decoder_select="huffyuv_decoder"
1950 ffvhuff_encoder_select="huffyuv_encoder"
1951 fic_decoder_select="golomb"
1952 flac_decoder_select="flacdsp golomb"
1953 flac_encoder_select="bswapdsp flacdsp golomb lpc"
1954 flashsv_decoder_deps="zlib"
1955 flashsv_encoder_deps="zlib"
1956 flashsv2_decoder_deps="zlib"
1957 flv_decoder_select="h263_decoder"
1958 flv_encoder_select="h263_encoder"
1959 fourxm_decoder_select="blockdsp bswapdsp"
1960 fraps_decoder_select="bswapdsp huffman"
1961 g2m_decoder_deps="zlib"
1962 g2m_decoder_select="blockdsp idctdsp jpegtables"
1963 h261_decoder_select="mpeg_er mpegvideo"
1964 h261_encoder_select="aandcttables mpegvideoenc"
1965 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
1966 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1967 h263i_decoder_select="h263_decoder"
1968 h263p_encoder_select="h263_encoder"
1969 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
1970 h264_decoder_suggest="error_resilience"
1971 h264_nvenc_encoder_deps="nvenc"
1972 h264_qsv_decoder_deps="libmfx"
1973 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
1974 h264_qsv_encoder_deps="libmfx"
1975 h264_qsv_encoder_select="qsvenc"
1976 hap_decoder_select="snappy texturedsp"
1977 hap_encoder_deps="libsnappy"
1978 hap_encoder_select="texturedspenc"
1979 hevc_decoder_select="bswapdsp cabac golomb videodsp"
1980 hevc_nvenc_encoder_deps="nvenc"
1981 hevc_qsv_encoder_deps="libmfx"
1982 hevc_qsv_decoder_deps="libmfx"
1983 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
1984 hevc_qsv_encoder_select="qsvenc"
1985 huffyuv_decoder_select="bswapdsp huffyuvdsp"
1986 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
1987 iac_decoder_select="imc_decoder"
1988 imc_decoder_select="bswapdsp fft mdct sinewin"
1989 indeo3_decoder_select="hpeldsp"
1990 indeo4_decoder_select="ividsp"
1991 indeo5_decoder_select="ividsp"
1992 interplay_video_decoder_select="hpeldsp"
1993 jpegls_decoder_select="golomb mjpeg_decoder"
1994 jpegls_encoder_select="golomb"
1995 jv_decoder_select="blockdsp"
1996 lagarith_decoder_select="huffyuvdsp"
1997 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
1998 loco_decoder_select="golomb"
1999 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2000 metasound_decoder_select="lsp mdct sinewin"
2001 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2002 mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
2003 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2004 mjpegb_decoder_select="mjpeg_decoder"
2005 mlp_decoder_select="mlp_parser"
2006 motionpixels_decoder_select="bswapdsp"
2007 mp1_decoder_select="mpegaudio"
2008 mp1float_decoder_select="mpegaudio"
2009 mp2_decoder_select="mpegaudio"
2010 mp2float_decoder_select="mpegaudio"
2011 mp3_decoder_select="mpegaudio"
2012 mp3adu_decoder_select="mpegaudio"
2013 mp3adufloat_decoder_select="mpegaudio"
2014 mp3float_decoder_select="mpegaudio"
2015 mp3on4_decoder_select="mpegaudio"
2016 mp3on4float_decoder_select="mpegaudio"
2017 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2018 mpc8_decoder_select="mpegaudiodsp"
2019 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2020 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2021 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2022 mpeg1video_encoder_select="aandcttables mpegvideoenc"
2023 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2024 mpeg2video_encoder_select="aandcttables mpegvideoenc"
2025 mpeg2_qsv_decoder_deps="libmfx"
2026 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel mpegvideo_parser"
2027 mpeg2_qsv_encoder_deps="libmfx"
2028 mpeg2_qsv_encoder_select="qsvenc"
2029 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2030 mpeg4_encoder_select="h263_encoder"
2031 msa1_decoder_select="mss34dsp"
2032 msmpeg4v1_decoder_select="h263_decoder"
2033 msmpeg4v2_decoder_select="h263_decoder"
2034 msmpeg4v2_encoder_select="h263_encoder"
2035 msmpeg4v3_decoder_select="h263_decoder"
2036 msmpeg4v3_encoder_select="h263_encoder"
2037 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
2038 mts2_decoder_select="mss34dsp"
2039 mxpeg_decoder_select="mjpeg_decoder"
2040 nellymoser_decoder_select="mdct sinewin"
2041 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2042 nuv_decoder_select="idctdsp lzo"
2043 nvenc_h264_encoder_deps="nvenc"
2044 nvenc_hevc_encoder_deps="nvenc"
2045 on2avc_decoder_select="mdct"
2046 opus_decoder_deps="avresample"
2047 opus_decoder_select="imdct15"
2048 png_decoder_deps="zlib"
2049 png_encoder_deps="zlib"
2050 png_encoder_select="huffyuvencdsp"
2051 prores_decoder_select="idctdsp"
2052 prores_encoder_select="fdctdsp"
2053 qcelp_decoder_select="lsp"
2054 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2055 ra_144_encoder_select="audio_frame_queue lpc"
2056 ralf_decoder_select="golomb"
2057 rscc_decoder_deps="zlib"
2058 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2059 rv10_encoder_select="h263_encoder"
2060 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2061 rv20_encoder_select="h263_encoder"
2062 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2063 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2064 screenpresso_decoder_deps="zlib"
2065 shorten_decoder_select="golomb"
2066 sipr_decoder_select="lsp"
2067 sp5x_decoder_select="mjpeg_decoder"
2068 svq1_decoder_select="hpeldsp"
2069 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2070 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2071 svq3_decoder_suggest="zlib"
2072 tak_decoder_select="audiodsp"
2073 tdsc_decoder_deps="zlib"
2074 tdsc_decoder_select="mjpeg_decoder"
2075 theora_decoder_select="vp3_decoder"
2076 thp_decoder_select="mjpeg_decoder"
2077 tiff_decoder_suggest="zlib"
2078 tiff_encoder_suggest="zlib"
2079 truehd_decoder_select="mlp_decoder"
2080 truemotion2_decoder_select="bswapdsp"
2081 truespeech_decoder_select="bswapdsp"
2082 tscc_decoder_deps="zlib"
2083 txd_decoder_select="texturedsp"
2084 twinvq_decoder_select="mdct lsp sinewin"
2085 utvideo_decoder_select="bswapdsp"
2086 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2087 vble_decoder_select="huffyuvdsp"
2088 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
2089 vc1image_decoder_select="vc1_decoder"
2090 vorbis_decoder_select="mdct"
2091 vorbis_encoder_select="mdct"
2092 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2093 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2094 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2095 vp6a_decoder_select="vp6_decoder"
2096 vp6f_decoder_select="vp6_decoder"
2097 vp7_decoder_select="h264pred videodsp vp8dsp"
2098 vp8_decoder_select="h264pred videodsp vp8dsp"
2099 vp9_decoder_select="videodsp"
2100 webp_decoder_select="vp8_decoder"
2101 wmapro_decoder_select="mdct sinewin wma_freqs"
2102 wmav1_decoder_select="mdct sinewin wma_freqs"
2103 wmav1_encoder_select="mdct sinewin wma_freqs"
2104 wmav2_decoder_select="mdct sinewin wma_freqs"
2105 wmav2_encoder_select="mdct sinewin wma_freqs"
2106 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2107 wmv1_decoder_select="h263_decoder"
2108 wmv1_encoder_select="h263_encoder"
2109 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2110 wmv2_encoder_select="h263_encoder wmv2dsp"
2111 wmv3_decoder_select="vc1_decoder"
2112 wmv3image_decoder_select="wmv3_decoder"
2113 zerocodec_decoder_deps="zlib"
2114 zlib_decoder_deps="zlib"
2115 zlib_encoder_deps="zlib"
2116 zmbv_decoder_deps="zlib"
2117 zmbv_encoder_deps="zlib"
2118
2119 # hardware accelerators
2120 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2121 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2122 vaapi_deps="va_va_h"
2123 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2124 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2125 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2126
2127 h263_vaapi_hwaccel_deps="vaapi"
2128 h263_vaapi_hwaccel_select="h263_decoder"
2129 h264_d3d11va_hwaccel_deps="d3d11va"
2130 h264_d3d11va_hwaccel_select="h264_decoder"
2131 h264_dxva2_hwaccel_deps="dxva2"
2132 h264_dxva2_hwaccel_select="h264_decoder"
2133 h264_mmal_decoder_deps="mmal"
2134 h264_mmal_hwaccel_deps="mmal"
2135 h264_mmal_decoder_select="h264_decoder"
2136 h264_mmal_encoder_deps="mmal"
2137 h264_qsv_hwaccel_deps="libmfx"
2138 h264_vaapi_hwaccel_deps="vaapi"
2139 h264_vaapi_hwaccel_select="h264_decoder"
2140 h264_vda_hwaccel_deps="vda"
2141 h264_vda_hwaccel_select="h264_decoder"
2142 h264_vda_old_hwaccel_deps="vda"
2143 h264_vda_old_hwaccel_select="h264_decoder"
2144 h264_vdpau_hwaccel_deps="vdpau"
2145 h264_vdpau_hwaccel_select="h264_decoder"
2146 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2147 hevc_d3d11va_hwaccel_select="hevc_decoder"
2148 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2149 hevc_dxva2_hwaccel_select="hevc_decoder"
2150 hevc_qsv_hwaccel_deps="libmfx"
2151 mpeg1_vdpau_hwaccel_deps="vdpau"
2152 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2153 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2154 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2155 mpeg2_dxva2_hwaccel_deps="dxva2"
2156 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2157 mpeg2_qsv_hwaccel_deps="libmfx"
2158 mpeg2_vaapi_hwaccel_deps="vaapi"
2159 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2160 mpeg2_vdpau_hwaccel_deps="vdpau"
2161 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2162 mpeg4_vaapi_hwaccel_deps="vaapi"
2163 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2164 mpeg4_vdpau_hwaccel_deps="vdpau"
2165 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2166 vc1_d3d11va_hwaccel_deps="d3d11va"
2167 vc1_d3d11va_hwaccel_select="vc1_decoder"
2168 vc1_dxva2_hwaccel_deps="dxva2"
2169 vc1_dxva2_hwaccel_select="vc1_decoder"
2170 vc1_vaapi_hwaccel_deps="vaapi"
2171 vc1_vaapi_hwaccel_select="vc1_decoder"
2172 vc1_vdpau_hwaccel_deps="vdpau"
2173 vc1_vdpau_hwaccel_select="vc1_decoder"
2174 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2175 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2176 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2177 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2178
2179 # parsers
2180 h264_parser_select="h264_decoder"
2181 hevc_parser_select="golomb"
2182 mpegvideo_parser_select="mpegvideo"
2183 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
2184 vc1_parser_select="mpegvideo startcode vc1_decoder"
2185
2186 # bitstream_filters
2187 mjpeg2jpeg_bsf_select="jpegtables"
2188
2189 # external libraries
2190 libdcadec_decoder_deps="libdcadec"
2191 libfaac_encoder_deps="libfaac"
2192 libfaac_encoder_select="audio_frame_queue"
2193 libfdk_aac_decoder_deps="libfdk_aac"
2194 libfdk_aac_encoder_deps="libfdk_aac"
2195 libfdk_aac_encoder_select="audio_frame_queue"
2196 libgsm_decoder_deps="libgsm"
2197 libgsm_encoder_deps="libgsm"
2198 libgsm_ms_decoder_deps="libgsm"
2199 libgsm_ms_encoder_deps="libgsm"
2200 libilbc_decoder_deps="libilbc"
2201 libilbc_encoder_deps="libilbc"
2202 libkvazaar_encoder_deps="libkvazaar"
2203 libmp3lame_encoder_deps="libmp3lame"
2204 libmp3lame_encoder_select="audio_frame_queue"
2205 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2206 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2207 libopencore_amrnb_encoder_select="audio_frame_queue"
2208 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2209 libopenh264_encoder_deps="libopenh264"
2210 libopenjpeg_decoder_deps="libopenjpeg"
2211 libopenjpeg_encoder_deps="libopenjpeg"
2212 libopus_decoder_deps="libopus"
2213 libopus_encoder_deps="libopus"
2214 libopus_encoder_select="audio_frame_queue"
2215 libschroedinger_decoder_deps="libschroedinger"
2216 libschroedinger_encoder_deps="libschroedinger"
2217 libspeex_decoder_deps="libspeex"
2218 libspeex_encoder_deps="libspeex"
2219 libspeex_encoder_select="audio_frame_queue"
2220 libtheora_encoder_deps="libtheora"
2221 libtwolame_encoder_deps="libtwolame"
2222 libvo_aacenc_encoder_deps="libvo_aacenc"
2223 libvo_aacenc_encoder_select="audio_frame_queue"
2224 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2225 libvorbis_encoder_deps="libvorbis"
2226 libvorbis_encoder_select="audio_frame_queue"
2227 libvpx_vp8_decoder_deps="libvpx"
2228 libvpx_vp8_encoder_deps="libvpx"
2229 libvpx_vp9_decoder_deps="libvpx"
2230 libvpx_vp9_encoder_deps="libvpx"
2231 libwavpack_encoder_deps="libwavpack"
2232 libwebp_encoder_deps="libwebp"
2233 libx262_encoder_deps="libx262"
2234 libx264_encoder_deps="libx264"
2235 libx265_encoder_deps="libx265"
2236 libxavs_encoder_deps="libxavs"
2237 libxvid_encoder_deps="libxvid"
2238
2239 # demuxers / muxers
2240 ac3_demuxer_select="ac3_parser"
2241 asf_demuxer_select="riffdec"
2242 asf_muxer_select="riffenc"
2243 asf_stream_muxer_select="asf_muxer"
2244 avi_demuxer_select="riffdec"
2245 avi_muxer_select="riffenc"
2246 avisynth_demuxer_deps="avisynth"
2247 avisynth_demuxer_select="riffdec"
2248 caf_demuxer_select="riffdec"
2249 dash_muxer_select="mp4_muxer"
2250 dirac_demuxer_select="dirac_parser"
2251 dv_demuxer_select="dvprofile"
2252 dv_muxer_select="dvprofile"
2253 dxa_demuxer_select="riffdec"
2254 eac3_demuxer_select="ac3_parser"
2255 f4v_muxer_select="mov_muxer"
2256 flac_demuxer_select="flac_parser"
2257 hds_muxer_select="flv_muxer"
2258 hls_muxer_select="mpegts_muxer"
2259 ipod_muxer_select="mov_muxer"
2260 ismv_muxer_select="mov_muxer"
2261 matroska_audio_muxer_select="matroska_muxer"
2262 matroska_demuxer_select="riffdec"
2263 matroska_demuxer_suggest="bzlib lzo zlib"
2264 matroska_muxer_select="riffenc"
2265 mmf_muxer_select="riffenc"
2266 mov_demuxer_select="riffdec"
2267 mov_demuxer_suggest="zlib"
2268 mov_muxer_select="riffenc rtpenc_chain"
2269 mp3_demuxer_select="mpegaudio_parser"
2270 mp4_muxer_select="mov_muxer"
2271 mpegts_muxer_select="adts_muxer latm_muxer"
2272 mpegtsraw_demuxer_select="mpegts_demuxer"
2273 mxf_d10_muxer_select="mxf_muxer"
2274 nut_muxer_select="riffenc"
2275 nuv_demuxer_select="riffdec"
2276 oga_muxer_select="ogg_muxer"
2277 ogg_demuxer_select="dirac_parse"
2278 opus_muxer_select="ogg_muxer"
2279 psp_muxer_select="mov_muxer"
2280 rtp_demuxer_select="sdp_demuxer"
2281 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2282 rtsp_demuxer_select="http_protocol rtpdec"
2283 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2284 sap_demuxer_select="sdp_demuxer"
2285 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2286 sdp_demuxer_select="rtpdec"
2287 smoothstreaming_muxer_select="ismv_muxer"
2288 spdif_muxer_select="aac_parser"
2289 spx_muxer_select="ogg_muxer"
2290 swf_demuxer_suggest="zlib"
2291 tak_demuxer_select="tak_parser"
2292 tg2_muxer_select="mov_muxer"
2293 tgp_muxer_select="mov_muxer"
2294 w64_demuxer_select="wav_demuxer"
2295 wav_demuxer_select="riffdec"
2296 wav_muxer_select="riffenc"
2297 webm_muxer_select="riffenc"
2298 webm_muxer_suggest="libopus_encoder libvorbis_encoder libvpx_vp8_encoder libvpx_vp9_encoder"
2299 wtv_demuxer_select="riffdec"
2300 xmv_demuxer_select="riffdec"
2301 xwma_demuxer_select="riffdec"
2302
2303 # indevs / outdevs
2304 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2305 alsa_outdev_deps="alsa_asoundlib_h"
2306 avfoundation_indev_deps="AVFoundation_AVFoundation_h"
2307 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2308 dv1394_indev_deps="dv1394"
2309 dv1394_indev_select="dv_demuxer"
2310 fbdev_indev_deps="linux_fb_h"
2311 jack_indev_deps="jack_jack_h pthreads"
2312 libcdio_indev_deps="libcdio"
2313 libdc1394_indev_deps="libdc1394"
2314 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2315 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2316 pulse_indev_deps="libpulse"
2317 sndio_indev_deps="sndio_h"
2318 sndio_outdev_deps="sndio_h"
2319 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2320 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2321 vfwcap_indev_extralibs="-lavicap32"
2322 x11grab_indev_deps="x11grab"
2323 x11grab_xcb_indev_deps="libxcb"
2324
2325 # protocols
2326 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2327 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2328 ffrtmpcrypt_protocol_select="tcp_protocol"
2329 ffrtmphttp_protocol_deps="!librtmp_protocol"
2330 ffrtmphttp_protocol_select="http_protocol"
2331 gopher_protocol_select="network"
2332 http_protocol_select="tcp_protocol"
2333 httpproxy_protocol_select="tcp_protocol"
2334 https_protocol_select="tls_protocol"
2335 icecast_protocol_select="http_protocol"
2336 librtmp_protocol_deps="librtmp"
2337 librtmpe_protocol_deps="librtmp"
2338 librtmps_protocol_deps="librtmp"
2339 librtmpt_protocol_deps="librtmp"
2340 librtmpte_protocol_deps="librtmp"
2341 mmsh_protocol_select="http_protocol"
2342 mmst_protocol_select="network"
2343 rtmp_protocol_deps="!librtmp_protocol"
2344 rtmp_protocol_select="tcp_protocol"
2345 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2346 rtmps_protocol_deps="!librtmp_protocol"
2347 rtmps_protocol_select="tls_protocol"
2348 rtmpt_protocol_select="ffrtmphttp_protocol"
2349 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2350 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2351 rtp_protocol_select="udp_protocol"
2352 sctp_protocol_deps="struct_sctp_event_subscribe"
2353 sctp_protocol_select="network"
2354 srtp_protocol_select="rtp_protocol"
2355 tcp_protocol_select="network"
2356 tls_gnutls_protocol_deps="gnutls"
2357 tls_gnutls_protocol_select="tcp_protocol"
2358 tls_openssl_protocol_deps="openssl !tls_gnutls_protocol"
2359 tls_openssl_protocol_select="tcp_protocol"
2360 tls_protocol_select_any="tls_gnutls_protocol tls_openssl_protocol"
2361 udp_protocol_select="network"
2362 unix_protocol_deps="sys_un_h"
2363 unix_protocol_select="network"
2364
2365 # filters
2366 blackframe_filter_deps="gpl"
2367 boxblur_filter_deps="gpl"
2368 bs2b_filter_deps="libbs2b"
2369 cropdetect_filter_deps="gpl"
2370 delogo_filter_deps="gpl"
2371 drawtext_filter_deps="libfreetype"
2372 frei0r_filter_deps="frei0r dlopen"
2373 frei0r_filter_extralibs='$ldl'
2374 frei0r_src_filter_deps="frei0r dlopen"
2375 frei0r_src_filter_extralibs='$ldl'
2376 hqdn3d_filter_deps="gpl"
2377 interlace_filter_deps="gpl"
2378 ocv_filter_deps="libopencv"
2379 resample_filter_deps="avresample"
2380 scale_filter_deps="swscale"
2381
2382 # examples
2383 avcodec_example_deps="avcodec avutil"
2384 filter_audio_example_deps="avfilter avutil"
2385 metadata_example_deps="avformat avutil"
2386 output_example_deps="avcodec avformat avutil swscale"
2387 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2388 transcode_aac_example_deps="avcodec avformat avresample"
2389
2390 # libraries, in linking order
2391 avcodec_deps="avutil"
2392 avdevice_deps="avformat avcodec avutil"
2393 avfilter_deps="avutil"
2394 avformat_deps="avcodec avutil"
2395 avresample_deps="avutil"
2396 swscale_deps="avutil"
2397
2398 # programs
2399 avconv_deps="avcodec avfilter avformat avresample swscale"
2400 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2401 fps_filter null_filter resample_filter scale_filter
2402 setpts_filter trim_filter"
2403 avplay_deps="avcodec avformat avresample swscale sdl"
2404 avplay_libs='$sdl_libs'
2405 avplay_select="rdft transpose_filter hflip_filter vflip_filter"
2406 avprobe_deps="avcodec avformat"
2407
2408 # documentation
2409 pod2man_deps="doc"
2410 texi2html_deps="doc"
2411
2412 # default parameters
2413
2414 logfile="config.log"
2415
2416 # installation paths
2417 prefix_default="/usr/local"
2418 bindir_default='${prefix}/bin'
2419 datadir_default='${prefix}/share/avconv'
2420 docdir_default='${prefix}/share/doc/libav'
2421 incdir_default='${prefix}/include'
2422 libdir_default='${prefix}/lib'
2423 mandir_default='${prefix}/share/man'
2424 shlibdir_default="$libdir_default"
2425
2426 # toolchain
2427 ar_default="ar"
2428 cc_default="gcc"
2429 host_cc_default="gcc"
2430 cp_f="cp -f"
2431 ln_s="ln -s -f"
2432 nm_default="nm -g"
2433 objformat="elf"
2434 pkg_config_default=pkg-config
2435 ranlib="ranlib"
2436 strip="strip"
2437 yasmexe="yasm"
2438
2439 # machine
2440 arch_default=$(uname -m)
2441 cpu="generic"
2442 intrinsics="none"
2443
2444 # OS
2445 target_os_default=$(tolower $(uname -s))
2446 host_os=$target_os_default
2447
2448 # configurable options
2449 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2450
2451 enable asm
2452 enable debug
2453 enable doc
2454 enable faan faandct faanidct
2455 enable optimizations
2456 enable safe_bitstream_reader
2457 enable static
2458 enable swscale_alpha
2459 enable valgrind_backtrace
2460
2461 # By default, enable only those hwaccels that have no external dependencies.
2462 enable d3d11va dxva2 vda vdpau
2463
2464 # build settings
2465 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2466 LIBPREF="lib"
2467 LIBSUF=".a"
2468 FULLNAME='$(NAME)$(BUILDSUF)'
2469 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2470 SLIBPREF="lib"
2471 SLIBSUF=".so"
2472 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2473 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2474 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2475 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2476 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2477 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2478
2479 asflags_filter=echo
2480 cflags_filter=echo
2481 ldflags_filter=echo
2482
2483 AS_C='-c'
2484 AS_O='-o $@'
2485 CC_C='-c'
2486 CC_E='-E -o $@'
2487 CC_O='-o $@'
2488 OBJCC_C='-c'
2489 OBJCC_E='-E -o $@'
2490 OBJCC_O='-o $@'
2491 LD_O='-o $@'
2492 LD_LIB='-l%'
2493 LD_PATH='-L'
2494 HOSTCC_C='-c'
2495 HOSTCC_E='-E -o $@'
2496 HOSTCC_O='-o $@'
2497 HOSTLD_O='-o $@'
2498
2499 host_libs='-lm'
2500 host_cflags_filter=echo
2501 host_ldflags_filter=echo
2502
2503 target_path='$(CURDIR)'
2504
2505 # since the object filename is not given with the -MM flag, the compiler
2506 # is only able to print the basename, and we must add the path ourselves
2507 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2508 DEPFLAGS='-MM'
2509
2510 # find source path
2511 if test -f configure; then
2512 source_path=.
2513 else
2514 source_path=$(cd $(dirname "$0"); pwd)
2515 echo "$source_path" | grep -q '[[:blank:]]' &&
2516 die "Out of tree builds are impossible with whitespace in source path."
2517 test -e "$source_path/config.h" &&
2518 die "Out of tree builds are impossible with config.h in source dir."
2519 fi
2520
2521 for v in "$@"; do
2522 r=${v#*=}
2523 l=${v%"$r"}
2524 r=$(sh_quote "$r")
2525 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2526 done
2527
2528 find_things(){
2529 thing=$1
2530 pattern=$2
2531 file=$source_path/$3
2532 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2533 }
2534
2535 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2536 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2537 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2538 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2539 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2540 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2541 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2542 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2543 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2544 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2545 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2546
2547 ALL_COMPONENTS="
2548 $BSF_LIST
2549 $DECODER_LIST
2550 $DEMUXER_LIST
2551 $ENCODER_LIST
2552 $FILTER_LIST
2553 $HWACCEL_LIST
2554 $INDEV_LIST
2555 $MUXER_LIST
2556 $OUTDEV_LIST
2557 $PARSER_LIST
2558 $PROTOCOL_LIST
2559 "
2560
2561 enable $ARCH_EXT_LIST
2562
2563 die_unknown(){
2564 echo "Unknown option \"$1\"."
2565 echo "See $0 --help for available options."
2566 exit 1
2567 }
2568
2569 print_3_columns() {
2570 printf "%-25s %-25s %-25s\n" $(cat | tr ' ' '\n' | sort)
2571 }
2572
2573 show_list() {
2574 suffix=_$1
2575 shift
2576 echo $* | sed s/$suffix//g | print_3_columns
2577 exit 0
2578 }
2579
2580 rand_list(){
2581 IFS=', '
2582 set -- $*
2583 unset IFS
2584 for thing; do
2585 comp=${thing%:*}
2586 prob=${thing#$comp}
2587 prob=${prob#:}
2588 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2589 echo "prob ${prob:-0.5}"
2590 printf '%s\n' $comp
2591 done
2592 }
2593
2594 do_random(){
2595 action=$1
2596 shift
2597 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2598 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2599 }
2600
2601 for opt do
2602 optval="${opt#*=}"
2603 case "$opt" in
2604 --extra-ldflags=*)
2605 add_ldflags $optval
2606 ;;
2607 --extra-ldexeflags=*)
2608 add_ldexeflags $optval
2609 ;;
2610 --extra-libs=*)
2611 add_extralibs $optval
2612 ;;
2613 --disable-devices)
2614 disable $INDEV_LIST $OUTDEV_LIST
2615 ;;
2616 --enable-debug=*)
2617 debuglevel="$optval"
2618 ;;
2619 --disable-programs)
2620 disable $PROGRAM_LIST
2621 ;;
2622 --disable-everything)
2623 map 'eval disable \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2624 ;;
2625 --disable-all)
2626 map 'eval disable \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2627 disable $LIBRARY_LIST $PROGRAM_LIST doc
2628 ;;
2629 --enable-random|--disable-random)
2630 action=${opt%%-random}
2631 do_random ${action#--} $COMPONENT_LIST
2632 ;;
2633 --enable-random=*|--disable-random=*)
2634 action=${opt%%-random=*}
2635 do_random ${action#--} $optval
2636 ;;
2637 --enable-*=*|--disable-*=*)
2638 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2639 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2640 eval list=\$$(toupper $thing)_LIST
2641 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2642 test $action = enable && action="request"
2643 $action $(filter "$name" $list)
2644 ;;
2645 --enable-avserver|--disable-avserver*)
2646 warn "avserver has been removed, the ${opt} option is only"\
2647 "provided for compatibility and will be removed in the future"
2648 ;;
2649 --enable-?*|--disable-?*)
2650 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2651 if is_in $option $COMPONENT_LIST; then
2652 eval $action \$$(toupper ${option%s})_LIST
2653 elif is_in $option $CMDLINE_SELECT; then
2654 $action $option
2655 else
2656 die_unknown $opt
2657 fi
2658 ;;
2659 --list-*)
2660 NAME="${opt#--list-}"
2661 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2662 NAME=${NAME%s}
2663 eval show_list $NAME \$$(toupper $NAME)_LIST
2664 ;;
2665 --help|-h) show_help
2666 ;;
2667 *)
2668 optname="${opt%%=*}"
2669 optname="${optname#--}"
2670 optname=$(echo "$optname" | sed 's/-/_/g')
2671 if is_in $optname $CMDLINE_SET; then
2672 eval $optname='$optval'
2673 elif is_in $optname $CMDLINE_APPEND; then
2674 append $optname "$optval"
2675 else
2676 die_unknown $opt
2677 fi
2678 ;;
2679 esac
2680 done
2681
2682 for e in $env; do
2683 eval "export $e"
2684 done
2685
2686 disabled logging && logfile=/dev/null
2687
2688 # Disable all the library-specific components if the library itself
2689 # is disabled, see AVCODEC_LIST and following _LIST variables.
2690
2691 disable_components(){
2692 disabled ${1} && disable_weak $(
2693 eval components="\$$(toupper ${1})_COMPONENTS"
2694 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
2695 )
2696 }
2697
2698 map 'disable_components $v' $LIBRARY_LIST
2699
2700 # Mark components that had not been enabled/disabled explicitly
2701 # as enabled
2702
2703 for n in $COMPONENT_LIST; do
2704 v=$(toupper ${n%s})_LIST
2705 eval enable_weak \$$v
2706 eval ${n}_if_any="\$$v"
2707 done
2708
2709 # Make so that disabled libraries are enabled if a component
2710 # of them is requested
2711
2712 for n in $LIBRARY_LIST; do
2713 v=$(toupper ${n})_COMPONENTS
2714 eval ${n}_if_any="\$$v"
2715 done
2716
2717 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2718 set >> $logfile
2719
2720 case "$toolchain" in
2721 clang-asan)
2722 cc_default="clang"
2723 add_cflags -fsanitize=address
2724 add_ldflags -fsanitize=address
2725 ;;
2726 clang-tsan)
2727 cc_default="clang"
2728 add_cflags -fsanitize=thread -pie
2729 add_ldflags -fsanitize=thread -pie
2730 ;;
2731 clang-usan)
2732 cc_default="clang"
2733 add_cflags -fsanitize=undefined -O1
2734 add_ldflags -fsanitize=undefined
2735 ;;
2736 gcc-asan)
2737 cc_default="gcc"
2738 add_cflags -fsanitize=address
2739 add_ldflags -fsanitize=address
2740 ;;
2741 gcc-tsan)
2742 cc_default="gcc"
2743 add_cflags -fsanitize=thread -pie -fPIC
2744 add_ldflags -fsanitize=thread -pie -fPIC
2745 ;;
2746 gcc-usan)
2747 cc_default="gcc"
2748 add_cflags -fsanitize=undefined
2749 add_ldflags -fsanitize=undefined
2750 ;;
2751 valgrind-massif)
2752 target_exec_default="valgrind"
2753 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2754 ;;
2755 valgrind-memcheck)
2756 target_exec_default="valgrind"
2757 target_exec_args="--track-origins=yes --leak-check=full"
2758 ;;
2759 msvc)
2760 # Check whether the current MSVC version needs the C99 converter.
2761 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2762 # support enough of C99 to build libav. Default to the new
2763 # behaviour if the regexp was unable to match anything, since this
2764 # successfully parses the version number of existing supported
2765 # versions that require the converter (MSVC 2010 and 2012).
2766 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2767 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2768 cc_default="cl"
2769 else
2770 cc_default="c99wrap cl"
2771 fi
2772 ld_default="$source_path/compat/windows/mslink"
2773 nm_default="dumpbin -symbols"
2774 ar_default="lib"
2775 case "$arch" in
2776 arm*)
2777 as_default="armasm"
2778 ;;
2779 esac
2780 target_os_default="win32"
2781 # Use a relative path for TMPDIR. This makes sure all the
2782 # ffconf temp files are written with a relative path, avoiding
2783 # issues with msys/win32 path conversion for MSVC parameters
2784 # such as -Fo<file> or -out:<file>.
2785 TMPDIR=.
2786 ;;
2787 icl)
2788 cc_default="icl"
2789 ld_default="xilink"
2790 nm_default="dumpbin -symbols"
2791 ar_default="xilib"
2792 target_os_default="win32"
2793 TMPDIR=.
2794 ;;
2795 gcov)
2796 add_cflags -fprofile-arcs -ftest-coverage
2797 add_ldflags -fprofile-arcs -ftest-coverage
2798 ;;
2799 hardened)
2800 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
2801 add_cflags -fno-strict-overflow -fstack-protector-all
2802 add_ldflags -Wl,-z,relro -Wl,-z,now
2803 ;;
2804 ?*)
2805 die "Unknown toolchain $toolchain"
2806 ;;
2807 esac
2808
2809 test -n "$cross_prefix" && enable cross_compile
2810
2811 if enabled cross_compile; then
2812 test -n "$arch" && test -n "$target_os" ||
2813 die "Must specify target arch and OS when cross-compiling"
2814 fi
2815
2816 ar_default="${cross_prefix}${ar_default}"
2817 cc_default="${cross_prefix}${cc_default}"
2818 occ_default="${cross_prefix}${occ_default}"
2819 nm_default="${cross_prefix}${nm_default}"
2820 pkg_config_default="${cross_prefix}${pkg_config_default}"
2821 ranlib="${cross_prefix}${ranlib}"
2822 strip="${cross_prefix}${strip}"
2823
2824 sysinclude_default="${sysroot}/usr/include"
2825
2826 set_default arch cc pkg_config sysinclude target_exec target_os
2827 enabled cross_compile || host_cc_default=$cc
2828 set_default host_cc
2829
2830 if ! $pkg_config --version >/dev/null 2>&1; then
2831 warn "$pkg_config not found, library detection may fail."
2832 pkg_config=false
2833 fi
2834
2835 exesuf() {
2836 case $1 in
2837 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2838 esac
2839 }
2840
2841 EXESUF=$(exesuf $target_os)
2842 HOSTEXESUF=$(exesuf $host_os)
2843
2844 # set temporary file name
2845 : ${TMPDIR:=$TEMPDIR}
2846 : ${TMPDIR:=$TMP}
2847 : ${TMPDIR:=/tmp}
2848
2849 if ! check_cmd mktemp -u XXXXXX; then
2850 # simple replacement for missing mktemp
2851 # NOT SAFE FOR GENERAL USE
2852 mktemp(){
2853 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2854 }
2855 fi
2856
2857 tmpfile(){
2858 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2859 (set -C; exec > $tmp) 2>/dev/null ||
2860 die "Unable to create temporary file in $TMPDIR."
2861 append TMPFILES $tmp
2862 eval $1=$tmp
2863 }
2864
2865 trap 'rm -f -- $TMPFILES' EXIT
2866
2867 tmpfile TMPASM .asm
2868 tmpfile TMPC .c
2869 tmpfile TMPE $EXESUF
2870 tmpfile TMPH .h
2871 tmpfile TMPO .o
2872 tmpfile TMPS .S
2873 tmpfile TMPSH .sh
2874 tmpfile TMPV .ver
2875
2876 unset -f mktemp
2877
2878 chmod +x $TMPE
2879
2880 # make sure we can execute files in $TMPDIR
2881 cat > $TMPSH 2>> $logfile <<EOF
2882 #! /bin/sh
2883 EOF
2884 chmod +x $TMPSH >> $logfile 2>&1
2885 if ! $TMPSH >> $logfile 2>&1; then
2886 cat <<EOF
2887 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2888 variable to another directory and make sure that it is not mounted noexec.
2889 EOF
2890 die "Sanity test failed."
2891 fi
2892
2893 armasm_flags(){
2894 for flag; do
2895 case $flag in
2896 # Filter out MSVC cl.exe options from cflags that shouldn't
2897 # be passed to gas-preprocessor
2898 -M[TD]*) ;;
2899 *) echo $flag ;;
2900 esac
2901 done
2902 }
2903
2904 ccc_flags(){
2905 for flag; do
2906 case $flag in
2907 -std=c99) echo -c99 ;;
2908 -mcpu=*) echo -arch ${flag#*=} ;;
2909 -mieee) echo -ieee ;;
2910 -O*|-fast) echo $flag ;;
2911 -fno-math-errno) echo -assume nomath_errno ;;
2912 -g) echo -g3 ;;
2913 -Wall) echo -msg_enable level2 ;;
2914 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2915 -Wl,*) echo $flag ;;
2916 -f*|-W*) ;;
2917 *) echo $flag ;;
2918 esac
2919 done
2920 }
2921
2922 cparser_flags(){
2923 for flag; do
2924 case $flag in
2925 -Wno-switch) echo -Wno-switch-enum ;;
2926 -Wno-format-zero-length) ;;
2927 -Wdisabled-optimization) ;;
2928 -Wno-pointer-sign) echo -Wno-other ;;
2929 *) echo $flag ;;
2930 esac
2931 done
2932 }
2933
2934 msvc_common_flags(){
2935 for flag; do
2936 case $flag in
2937 # In addition to specifying certain flags under the compiler
2938 # specific filters, they must be specified here as well or else the
2939 # generic catch all at the bottom will print the original flag.
2940 -Wall) ;;
2941 -std=c99) ;;
2942 # Common flags
2943 -fomit-frame-pointer) ;;
2944 -g) echo -Z7 ;;
2945 -fno-math-errno) ;;
2946 -fno-common) ;;
2947 -fno-signed-zeros) ;;
2948 -fPIC) ;;
2949 -mthumb) ;;
2950 -march=*) ;;
2951 -lz) echo zlib.lib ;;
2952 -lavifil32) echo vfw32.lib ;;
2953 -lavicap32) echo vfw32.lib user32.lib ;;
2954 -l*) echo ${flag#-l}.lib ;;
2955 -L*) echo -libpath:${flag#-L} ;;
2956 *) echo $flag ;;
2957 esac
2958 done
2959 }
2960
2961 msvc_flags(){
2962 msvc_common_flags "$@"
2963 for flag; do
2964 case $flag in
2965 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2966 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2967 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2968 -wd4273 -wd4554 -wd4701 ;;
2969 esac
2970 done
2971 }
2972
2973 icl_flags(){
2974 msvc_common_flags "$@"
2975 for flag; do
2976 case $flag in
2977 # Despite what Intel's documentation says -Wall, which is supported
2978 # on Windows, does enable remarks so disable them here.
2979 -Wall) echo $flag -Qdiag-disable:remark ;;
2980 -std=c99) echo -Qstd=c99 ;;
2981 esac
2982 done
2983 }
2984
2985 pgi_flags(){
2986 for flag; do
2987 case $flag in
2988 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2989 -fomit-frame-pointer) echo -Mnoframe ;;
2990 -g) echo -gopt ;;
2991 *) echo $flag ;;
2992 esac
2993 done
2994 }
2995
2996 suncc_flags(){
2997 for flag; do
2998 case $flag in
2999 -march=*|-mcpu=*)
3000 case "${flag#*=}" in
3001 native) echo -xtarget=native ;;
3002 v9|niagara) echo -xarch=sparc ;;
3003 ultrasparc) echo -xarch=sparcvis ;;
3004 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3005 i586|pentium) echo -xchip=pentium ;;
3006 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3007 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3008 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3009 pentium4*) echo -xtarget=pentium4 ;;
3010 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3011 *-sse3) echo -xarch=sse3 ;;
3012 core2) echo -xarch=ssse3 -xchip=core2 ;;
3013 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
3014 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
3015 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
3016 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3017 k8|opteron|athlon64|athlon-fx)
3018 echo -xarch=sse2a ;;
3019 athlon*) echo -xarch=pentium_proa ;;
3020 esac
3021 ;;
3022 -std=c99) echo -xc99 ;;
3023 -fomit-frame-pointer) echo -xregs=frameptr ;;
3024 -fPIC) echo -KPIC -xcode=pic32 ;;
3025 -W*,*) echo $flag ;;
3026 -f*-*|-W*|-mimpure-text) ;;
3027 -shared) echo -G ;;
3028 *) echo $flag ;;
3029 esac
3030 done
3031 }
3032
3033 tms470_flags(){
3034 for flag; do
3035 case $flag in
3036 -march=*|-mcpu=*)
3037 case "${flag#*=}" in
3038 armv7-a|cortex-a*) echo -mv=7a8 ;;
3039 armv7-r|cortex-r*) echo -mv=7r4 ;;
3040 armv7-m|cortex-m*) echo -mv=7m3 ;;
3041 armv6*|arm11*) echo -mv=6 ;;
3042 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3043 echo -mv=5e ;;
3044 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3045 esac
3046 ;;
3047 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3048 -mfpu=vfp) echo --float_support=vfpv2 ;;
3049 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3050 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3051 -msoft-float) echo --float_support=vfplib ;;
3052 -O[0-3]|-mf=*) echo $flag ;;
3053 -g) echo -g -mn ;;
3054 -pds=*) echo $flag ;;
3055 -D*|-I*) echo $flag ;;
3056 --gcc|--abi=*) echo $flag ;;
3057 -me) echo $flag ;;
3058 esac
3059 done
3060 }
3061
3062 probe_cc(){
3063 pfx=$1
3064 _cc=$2
3065
3066 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3067 unset _ld_o _ldflags _ld_lib _ld_path
3068 unset _depflags _DEPCMD _DEPFLAGS
3069 _flags_filter=echo
3070
3071 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3072 _type=llvm_gcc
3073 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3074 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3075 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3076 _cflags_speed='-O3'
3077 _cflags_size='-Os'
3078 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3079 _type=gcc
3080 gcc_version=$($_cc --version | head -n1)
3081 gcc_basever=$($_cc -dumpversion)
3082 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3083 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3084 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3085 if ! $_cc -dumpversion | grep -q '^2\.'; then
3086 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3087 fi
3088 _cflags_speed='-O3'
3089 _cflags_size='-Os'
3090 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3091 _type=icc
3092 _ident=$($_cc --version | head -n1)
3093 _depflags='-MMD'
3094 _cflags_speed='-O3'
3095 _cflags_size='-Os'
3096 _cflags_noopt='-O1'
3097 elif $_cc -v 2>&1 | grep -q xlc; then
3098 _type=xlc
3099 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3100 _cflags_speed='-O5'
3101 _cflags_size='-O5 -qcompact'
3102 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3103 _type=ccc
3104 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3105 _DEPFLAGS='-M'
3106 _cflags_speed='-fast'
3107 _cflags_size='-O1'
3108 _flags_filter=ccc_flags
3109 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3110 test -d "$sysroot" || die "No valid sysroot specified."
3111 _type=armcc
3112 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3113 armcc_conf="$PWD/armcc.conf"
3114 $_cc --arm_linux_configure \
3115 --arm_linux_config_file="$armcc_conf" \
3116 --configure_sysroot="$sysroot" \
3117 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3118 die "Error creating armcc configuration file."
3119 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3120 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3121 as_default="${cross_prefix}gcc"
3122 _depflags='-MMD'
3123 _cflags_speed='-O3'
3124 _cflags_size='-Os'
3125 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3126 _type=tms470
3127 _ident=$($_cc -version | head -n1 | tr -s ' ')
3128 _flags='--gcc --abi=eabi -me'
3129 _cc_e='-ppl -fe=$@'
3130 _cc_o='-fe=$@'
3131 _depflags='-ppa -ppd=$(@:.o=.d)'
3132 _cflags_speed='-O3 -mf=5'
3133 _cflags_size='-O3 -mf=2'
3134 _flags_filter=tms470_flags
3135 elif $_cc -v 2>&1 | grep -q clang; then
3136 _type=clang
3137 _ident=$($_cc --version 2>/dev/null | head -n1)
3138 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3139 _cflags_speed='-O3'
3140 _cflags_size='-Os'
3141 elif $_cc -V 2>&1 | grep -q Sun; then
3142 _type=suncc
3143 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3144 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3145 _DEPFLAGS='-xM1 -xc99'
3146 _ldflags='-std=c99'
3147 _cflags_speed='-O5'
3148 _cflags_size='-O5 -xspace'
3149 _flags_filter=suncc_flags
3150 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3151 _type=pathscale
3152 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3153 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3154 _cflags_speed='-O2'
3155 _cflags_size='-Os'
3156 _flags_filter='filter_out -Wdisabled-optimization'
3157 elif $_cc -v 2>&1 | grep -q Open64; then
3158 _type=open64
3159 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3160 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3161 _cflags_speed='-O2'
3162 _cflags_size='-Os'
3163 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3164 elif $_cc -V 2>&1 | grep -q Portland; then
3165 _type=pgi
3166 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3167 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3168 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3169 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3170 _cflags_noopt="-O1"
3171 _flags_filter=pgi_flags
3172 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3173 _type=armasm
3174 _ident=$($_cc | head -n1)
3175 # 4509: "This form of conditional instruction is deprecated"
3176 _flags="-nologo -ignore 4509"
3177 _flags_filter=armasm_flags
3178 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3179 _type=msvc
3180 _ident=$($_cc 2>&1 | head -n1)
3181 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3182 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3183 _cflags_speed="-O2"
3184 _cflags_size="-O1"
3185 if $_cc -nologo- 2>&1 | grep -q Linker; then
3186 _ld_o='-out:$@'
3187 else
3188 _ld_o='-Fe$@'
3189 fi
3190 _cc_o='-Fo$@'
3191 _cc_e='-P -Fi$@'
3192 _flags_filter=msvc_flags
3193 _ld_lib='lib%.a'
3194 _ld_path='-libpath:'
3195 _flags='-nologo'
3196 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS'
3197 elif $_cc 2>&1 | grep -q Intel; then
3198 _type=icl
3199 _ident=$($_cc 2>&1 | head -n1)
3200 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3201 # Not only is O3 broken on 13.x+ but it is slower on all previous
3202 # versions (tested) as well.
3203 _cflags_speed="-O2"
3204 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3205 if $_cc 2>&1 | grep -q Linker; then
3206 _ld_o='-out:$@'
3207 else
3208 _ld_o='-Fe$@'
3209 fi
3210 _cc_o='-Fo$@'
3211 _cc_e='-P'
3212 _flags_filter=icl_flags
3213 _ld_lib='lib%.a'
3214 _ld_path='-libpath:'
3215 # -Qdiag-error to make icl error when seeing certain unknown arguments
3216 _flags='-nologo -Qdiag-error:4044,10157'
3217 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3218 # with MSVC which enables it by default.
3219 _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS'
3220 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3221 _type=cparser
3222 _ident=$($_cc --version | head -n1)
3223 _depflags='-MMD'
3224 _cflags_speed='-O4'
3225 _cflags_size='-O2'
3226 _flags_filter=cparser_flags
3227 fi
3228
3229 eval ${pfx}_type=\$_type
3230 eval ${pfx}_ident=\$_ident
3231 }
3232
3233 set_ccvars(){
3234 eval ${1}_C=\${_cc_c-\${${1}_C}}
3235 eval ${1}_E=\${_cc_e-\${${1}_E}}
3236 eval ${1}_O=\${_cc_o-\${${1}_O}}
3237
3238 if [ -n "$_depflags" ]; then
3239 eval ${1}_DEPFLAGS=\$_depflags
3240 else
3241 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3242 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3243 eval DEP${1}FLAGS=\$_flags
3244 fi
3245 }
3246
3247 probe_cc cc "$cc"
3248 cflags_filter=$_flags_filter
3249 cflags_speed=$_cflags_speed
3250 cflags_size=$_cflags_size
3251 cflags_noopt=$_cflags_noopt
3252 add_cflags $_flags $_cflags
3253 cc_ldflags=$_ldflags
3254 set_ccvars CC
3255
3256 probe_cc hostcc "$host_cc"
3257 host_cflags_filter=$_flags_filter
3258 add_host_cflags $_flags $_cflags
3259 set_ccvars HOSTCC
3260
3261 test -n "$cc_type" && enable $cc_type ||
3262 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3263
3264 : ${as_default:=$cc}
3265 : ${objcc_default:=$cc}
3266 : ${dep_cc_default:=$cc}
3267 : ${ld_default:=$cc}
3268 : ${host_ld_default:=$host_cc}
3269 set_default ar as objcc dep_cc ld host_ld
3270
3271 probe_cc as "$as"
3272 asflags_filter=$_flags_filter
3273 add_asflags $_flags $_cflags
3274 set_ccvars AS
3275
3276 probe_cc objcc "$objcc"
3277 objcflags_filter=$_flags_filter
3278 add_objcflags $_flags $_cflags
3279 set_ccvars OBJC
3280
3281 probe_cc ld "$ld"
3282 ldflags_filter=$_flags_filter
3283 add_ldflags $_flags $_ldflags
3284 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3285 LD_O=${_ld_o-$LD_O}
3286 LD_LIB=${_ld_lib-$LD_LIB}
3287 LD_PATH=${_ld_path-$LD_PATH}
3288
3289 probe_cc hostld "$host_ld"
3290 host_ldflags_filter=$_flags_filter
3291 add_host_ldflags $_flags $_ldflags
3292 HOSTLD_O=${_ld_o-$HOSTLD_O}
3293
3294 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3295 probe_cc depcc "$dep_cc"
3296 CCDEP=${_DEPCMD:-$DEPCMD}
3297 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3298 DEPCCFLAGS=$_flags
3299 fi
3300
3301 if $ar 2>&1 | grep -q Microsoft; then
3302 arflags="-nologo"
3303 ar_o='-out:$@'
3304 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3305 arflags="rq"
3306 ar_o='$@'
3307 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3308 arflags='-Xany -r -c'
3309 ar_o='$@'
3310 else
3311 arflags="rc"
3312 ar_o='$@'
3313 fi
3314
3315 add_cflags $extra_cflags
3316 add_objcflags $extra_objcflags
3317 add_asflags $extra_cflags
3318
3319 if test -n "$sysroot"; then
3320 case "$cc_type" in
3321 gcc|llvm_gcc|clang)
3322 add_cppflags --sysroot="$sysroot"
3323 add_ldflags --sysroot="$sysroot"
3324 ;;
3325 tms470)
3326 add_cppflags -I"$sysinclude"
3327 add_ldflags --sysroot="$sysroot"
3328 ;;
3329 esac
3330 fi
3331
3332 if test "$cpu" = host; then
3333 enabled cross_compile &&
3334 die "--cpu=host makes no sense when cross-compiling."
3335
3336 case "$cc_type" in
3337 gcc|llvm_gcc)
3338 check_native(){
3339 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3340 sed -n "/cc1.*$1=/{
3341 s/.*$1=\\([^ ]*\\).*/\\1/
3342 p
3343 q
3344 }" $TMPE
3345 }
3346 cpu=$(check_native -march || check_native -mcpu)
3347 ;;
3348 esac
3349
3350 test "${cpu:-host}" = host &&
3351 die "--cpu=host not supported with compiler $cc"
3352 fi
3353
3354 # Deal with common $arch aliases
3355 case "$arch" in
3356 aarch64|arm64)
3357 arch="aarch64"
3358 ;;
3359 arm*)
3360 arch="arm"
3361 ;;
3362 mips*|IP*)
3363 case "$arch" in
3364 *el)
3365 add_cppflags -EL
3366 add_ldflags -EL
3367 ;;
3368 *eb)
3369 add_cppflags -EB
3370 add_ldflags -EB
3371 ;;
3372 esac
3373 arch="mips"
3374 ;;
3375 parisc*|hppa*)
3376 arch="parisc"
3377 ;;
3378 "Power Macintosh"|ppc*|powerpc*)
3379 arch="ppc"
3380 ;;
3381 s390|s390x)
3382 arch="s390"
3383 ;;
3384 sh4|sh)
3385 arch="sh4"
3386 ;;
3387 sun4u|sparc*)
3388 arch="sparc"
3389 ;;
3390 tilegx|tile-gx)
3391 arch="tilegx"
3392 ;;
3393 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3394 arch="x86"
3395 ;;
3396 esac
3397
3398 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3399 enable $arch
3400
3401 # Add processor-specific flags
3402 if enabled aarch64; then
3403
3404 case $cpu in
3405 armv*)
3406 cpuflags="-march=$cpu"
3407 ;;
3408 *)
3409 cpuflags="-mcpu=$cpu"
3410 ;;
3411 esac
3412
3413 elif enabled alpha; then
3414
3415 cpuflags="-mcpu=$cpu"
3416
3417 elif enabled arm; then
3418
3419 check_arm_arch() {
3420 check_cpp_condition stddef.h \
3421 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3422 $cpuflags
3423 }
3424
3425 probe_arm_arch() {
3426 if check_arm_arch 4; then echo armv4;
3427 elif check_arm_arch 4T; then echo armv4t;
3428 elif check_arm_arch 5; then echo armv5;
3429 elif check_arm_arch 5E; then echo armv5e;
3430 elif check_arm_arch 5T; then echo armv5t;
3431 elif check_arm_arch 5TE; then echo armv5te;
3432 elif check_arm_arch 5TEJ; then echo armv5te;
3433 elif check_arm_arch 6; then echo armv6;
3434 elif check_arm_arch 6J; then echo armv6j;
3435 elif check_arm_arch 6K; then echo armv6k;
3436 elif check_arm_arch 6Z; then echo armv6z;
3437 elif check_arm_arch 6ZK; then echo armv6zk;
3438 elif check_arm_arch 6T2; then echo armv6t2;
3439 elif check_arm_arch 7; then echo armv7;
3440 elif check_arm_arch 7A 7_A; then echo armv7-a;
3441 elif check_arm_arch 7S; then echo armv7-a;
3442 elif check_arm_arch 7R 7_R; then echo armv7-r;
3443 elif check_arm_arch 7M 7_M; then echo armv7-m;
3444 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3445 elif check_arm_arch 8A 8_A; then echo armv8-a;
3446 fi
3447 }
3448
3449 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3450
3451 case $cpu in
3452 armv*)
3453 cpuflags="-march=$cpu"
3454 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3455 ;;
3456 *)
3457 cpuflags="-mcpu=$cpu"
3458 case $cpu in
3459 cortex-a*) subarch=armv7a ;;
3460 cortex-r*) subarch=armv7r ;;
3461 cortex-m*) enable thumb; subarch=armv7m ;;
3462 arm11*) subarch=armv6 ;;
3463 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3464 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3465 *) subarch=$(probe_arm_arch) ;;
3466 esac
3467 ;;
3468 esac
3469
3470 case "$subarch" in
3471 armv5t*) enable fast_clz ;;
3472 armv[6-8]*) enable fast_clz fast_unaligned ;;
3473 esac
3474
3475 elif enabled avr32; then
3476
3477 case $cpu in
3478 ap7[02]0[0-2])
3479 subarch="avr32_ap"
3480 cpuflags="-mpart=$cpu"
3481 ;;
3482 ap)
3483 subarch="avr32_ap"
3484 cpuflags="-march=$cpu"
3485 ;;
3486 uc3[ab]*)
3487 subarch="avr32_uc"
3488 cpuflags="-mcpu=$cpu"
3489 ;;
3490 uc)
3491 subarch="avr32_uc"
3492 cpuflags="-march=$cpu"
3493 ;;
3494 esac
3495
3496 elif enabled bfin; then
3497
3498 cpuflags="-mcpu=$cpu"
3499
3500 elif enabled mips; then
3501
3502 cpuflags="-march=$cpu"
3503
3504 elif enabled ppc; then
3505
3506 disable ldbrx
3507
3508 case $(tolower $cpu) in
3509 601|ppc601|powerpc601)
3510 cpuflags="-mcpu=601"
3511 disable altivec
3512 ;;
3513 603*|ppc603*|powerpc603*)
3514 cpuflags="-mcpu=603"
3515 disable altivec
3516 ;;
3517 604*|ppc604*|powerpc604*)
3518 cpuflags="-mcpu=604"
3519 disable altivec
3520 ;;
3521 g3|75*|ppc75*|powerpc75*)
3522 cpuflags="-mcpu=750"
3523 disable altivec
3524 ;;
3525 g4|745*|ppc745*|powerpc745*)
3526 cpuflags="-mcpu=7450"
3527 disable vsx
3528 ;;
3529 74*|ppc74*|powerpc74*)
3530 cpuflags="-mcpu=7400"
3531 disable vsx
3532 ;;
3533 g5|970|ppc970|powerpc970)
3534 cpuflags="-mcpu=970"
3535 disable vsx
3536 ;;
3537 power[3-6]*)
3538 cpuflags="-mcpu=$cpu"
3539 disable vsx
3540 ;;
3541 power[7-8]*)
3542 cpuflags="-mcpu=$cpu"
3543 enable ldbrx
3544 ;;
3545 cell)
3546 cpuflags="-mcpu=cell"
3547 enable ldbrx
3548 disable vsx
3549 ;;
3550 e500mc)
3551 cpuflags="-mcpu=e500mc"
3552 disable altivec
3553 ;;
3554 e500v2)
3555 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3556 disable altivec
3557 disable dcbzl
3558 ;;
3559 e500)
3560 cpuflags="-mcpu=8540 -mhard-float"
3561 disable altivec
3562 disable dcbzl
3563 ;;
3564 esac
3565
3566 elif enabled sparc; then
3567
3568 case $cpu in
3569 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3570 cpuflags="-mcpu=$cpu"
3571 ;;
3572 ultrasparc*|niagara[234])
3573 cpuflags="-mcpu=$cpu"
3574 ;;
3575 esac
3576
3577 elif enabled x86; then
3578
3579 case $cpu in
3580 i[345]86|pentium)
3581 cpuflags="-march=$cpu"
3582 disable i686
3583 disable mmx
3584 ;;
3585 # targets that do NOT support nopl and conditional mov (cmov)
3586 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3587 cpuflags="-march=$cpu"
3588 disable i686
3589 ;;
3590 # targets that do support nopl and conditional mov (cmov)
3591 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3592 cpuflags="-march=$cpu"
3593 enable i686
3594 enable fast_cmov
3595 ;;
3596 # targets that do support conditional mov but on which it's slow
3597 pentium4|pentium4m|prescott|nocona)
3598 cpuflags="-march=$cpu"
3599 enable i686
3600 disable fast_cmov
3601 ;;
3602 esac
3603
3604 fi
3605
3606 if [ "$cpu" != generic ]; then
3607 add_cflags $cpuflags
3608 add_asflags $cpuflags
3609 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
3610 fi
3611
3612 # compiler sanity check
3613 check_exec <<EOF
3614 int main(void){ return 0; }
3615 EOF
3616 if test "$?" != 0; then
3617 echo "$cc is unable to create an executable file."
3618 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3619 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3620 echo "Only do this if you know what cross compiling means."
3621 fi
3622 die "C compiler test failed."
3623 fi
3624
3625 add_cppflags -D_ISOC99_SOURCE
3626 check_cflags -std=c99
3627 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3628 #include <stdlib.h>
3629 EOF
3630 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3631 #include <stdlib.h>
3632 EOF
3633
3634 add_host_cppflags -D_ISOC99_SOURCE
3635 check_host_cflags -std=c99
3636 check_host_cflags -Wall
3637 check_host_cflags -O3
3638
3639 check_64bit(){
3640 arch32=$1
3641 arch64=$2
3642 expr=$3
3643 check_code cc "" "int test[2*($expr) - 1]" &&
3644 subarch=$arch64 || subarch=$arch32
3645 }
3646
3647 case "$arch" in
3648 aarch64|alpha|ia64)
3649 spic=$shared
3650 ;;
3651 mips)
3652 check_64bit mips mips64 '_MIPS_SIM > 1'
3653 spic=$shared
3654 ;;
3655 parisc)
3656 check_64bit parisc parisc64 'sizeof(void *) > 4'
3657 spic=$shared
3658 ;;
3659 ppc)
3660 check_64bit ppc ppc64 'sizeof(void *) > 4'
3661 spic=$shared
3662 ;;
3663 s390)
3664 check_64bit s390 s390x 'sizeof(void *) > 4'
3665 spic=$shared
3666 ;;
3667 sparc)
3668 check_64bit sparc sparc64 'sizeof(void *) > 4'
3669 spic=$shared
3670 ;;
3671 x86)
3672 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3673 if test "$subarch" = "x86_64"; then
3674 spic=$shared
3675 fi
3676 ;;
3677 esac
3678
3679 enable $subarch
3680 enabled spic && enable_weak pic
3681
3682 # OS specific
3683 case $target_os in
3684 aix)
3685 SHFLAGS=-shared
3686 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3687 enabled shared && add_ldflags -Wl,-brtl
3688 ;;
3689 android)
3690 disable symver
3691 enable section_data_rel_ro
3692 SLIB_INSTALL_NAME='$(SLIBNAME)'
3693 SLIB_INSTALL_LINKS=
3694 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
3695 ;;
3696 haiku)
3697 prefix_default="/boot/common"
3698 network_extralibs="-lnetwork"
3699 host_libs=
3700 ;;
3701 sunos)
3702 SHFLAGS='-shared -Wl,-h,$$(@F)'
3703 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3704 network_extralibs="-lsocket -lnsl"
3705 # When using suncc to build, the Solaris linker will mark
3706 # an executable with each instruction set encountered by
3707 # the Solaris assembler. As our libraries contain their own
3708 # guards for processor-specific code, instead suppress
3709 # generation of the HWCAPS ELF section on Solaris x86 only.
3710 enabled_all suncc x86 &&
3711 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3712 add_ldflags -Wl,-M,mapfile
3713 nm_default='nm -P -g'
3714 SLIB_CREATE_DEF_CMD='$(Q)perl $(SRC_PATH)/compat/solaris/make_sunver.pl $$(filter %.ver,$$^) $(OBJS) | grep -v @ > $(SUBDIR)lib$(NAME).ver-sol2'
3715 ;;
3716 netbsd)
3717 disable symver
3718 oss_indev_extralibs="-lossaudio"