configure: make avconv select (a)trim filters
[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 --libdir=DIR install libs in DIR [PREFIX/lib]
85 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
86 --incdir=DIR install includes in DIR [PREFIX/include]
87 --mandir=DIR install man page in DIR [PREFIX/share/man]
88
89 Licensing options:
90 --enable-gpl allow use of GPL code, the resulting libs
91 and binaries will be under GPL [no]
92 --enable-version3 upgrade (L)GPL to version 3 [no]
93 --enable-nonfree allow use of nonfree code, the resulting libs
94 and binaries will be unredistributable [no]
95
96 Configuration options:
97 --disable-static do not build static libraries [no]
98 --enable-shared build shared libraries [no]
99 --enable-small optimize for size instead of speed
100 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
101 --enable-gray enable full grayscale support (slower color)
102 --disable-swscale-alpha disable alpha channel support in swscale
103 --disable-all disable building components, libraries and programs
104
105 Program options:
106 --disable-programs do not build command line programs
107 --disable-avconv disable avconv build
108 --disable-avplay disable avplay build
109 --disable-avprobe disable avprobe build
110 --disable-avserver disable avserver build
111
112 Component options:
113 --disable-doc do not build documentation
114 --disable-avdevice disable libavdevice build
115 --disable-avcodec disable libavcodec build
116 --disable-avformat disable libavformat build
117 --disable-avutil disable libavutil build
118 --disable-swscale disable libswscale build
119 --disable-avfilter disable video filter support [no]
120 --disable-avresample disable libavresample build [no]
121 --disable-pthreads disable pthreads [auto]
122 --disable-w32threads disable Win32 threads [auto]
123 --disable-network disable network support [no]
124 --disable-dct disable DCT code
125 --disable-error-resilience disable error resilience code
126 --disable-lsp disable LSP code
127 --disable-lzo disable LZO decoder code
128 --disable-mdct disable MDCT code
129 --disable-rdft disable RDFT code
130 --disable-fft disable FFT code
131
132 Hardware accelerators:
133 --enable-dxva2 enable DXVA2 code
134 --enable-vaapi enable VAAPI code
135 --enable-vda enable VDA code
136 --enable-vdpau enable VDPAU code
137
138 Individual component options:
139 --disable-everything disable all components listed below
140 --disable-encoder=NAME disable encoder NAME
141 --enable-encoder=NAME enable encoder NAME
142 --disable-encoders disable all encoders
143 --disable-decoder=NAME disable decoder NAME
144 --enable-decoder=NAME enable decoder NAME
145 --disable-decoders disable all decoders
146 --disable-hwaccel=NAME disable hwaccel NAME
147 --enable-hwaccel=NAME enable hwaccel NAME
148 --disable-hwaccels disable all hwaccels
149 --disable-muxer=NAME disable muxer NAME
150 --enable-muxer=NAME enable muxer NAME
151 --disable-muxers disable all muxers
152 --disable-demuxer=NAME disable demuxer NAME
153 --enable-demuxer=NAME enable demuxer NAME
154 --disable-demuxers disable all demuxers
155 --enable-parser=NAME enable parser NAME
156 --disable-parser=NAME disable parser NAME
157 --disable-parsers disable all parsers
158 --enable-bsf=NAME enable bitstream filter NAME
159 --disable-bsf=NAME disable bitstream filter NAME
160 --disable-bsfs disable all bitstream filters
161 --enable-protocol=NAME enable protocol NAME
162 --disable-protocol=NAME disable protocol NAME
163 --disable-protocols disable all protocols
164 --enable-indev=NAME enable input device NAME
165 --disable-indev=NAME disable input device NAME
166 --disable-indevs disable input devices
167 --enable-outdev=NAME enable output device NAME
168 --disable-outdev=NAME disable output device NAME
169 --disable-outdevs disable output devices
170 --disable-devices disable all devices
171 --enable-filter=NAME enable filter NAME
172 --disable-filter=NAME disable filter NAME
173 --disable-filters disable all filters
174
175 External library support:
176 --enable-avisynth enable reading of AVISynth script files [no]
177 --enable-bzlib enable bzlib [autodetect]
178 --enable-frei0r enable frei0r video filtering
179 --enable-gnutls enable gnutls [no]
180 --enable-libcdio enable audio CD grabbing with libcdio
181 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
182 and libraw1394 [no]
183 --enable-libfaac enable AAC encoding via libfaac [no]
184 --enable-libfdk-aac enable AAC encoding via libfdk-aac [no]
185 --enable-libfreetype enable libfreetype [no]
186 --enable-libgsm enable GSM de/encoding via libgsm [no]
187 --enable-libilbc enable iLBC de/encoding via libilbc [no]
188 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
189 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
190 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
191 --enable-libopencv enable video filtering via libopencv [no]
192 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
193 --enable-libopus enable Opus decoding via libopus [no]
194 --enable-libpulse enable Pulseaudio input via libpulse [no]
195 --enable-librtmp enable RTMP[E] support via librtmp [no]
196 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
197 --enable-libspeex enable Speex de/encoding via libspeex [no]
198 --enable-libtheora enable Theora encoding via libtheora [no]
199 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
200 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
201 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
202 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
203 --enable-libx264 enable H.264 encoding via x264 [no]
204 --enable-libxavs enable AVS encoding via xavs [no]
205 --enable-libxvid enable Xvid encoding via xvidcore,
206 native MPEG-4/Xvid encoder exists [no]
207 --enable-openssl enable openssl [no]
208 --enable-x11grab enable X11 grabbing [no]
209 --enable-zlib enable zlib [autodetect]
210
211 Advanced options (experts only):
212 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
213 --enable-cross-compile assume a cross-compiler is used
214 --sysroot=PATH root of cross-build tree
215 --sysinclude=PATH location of cross-build system headers
216 --target-os=OS compiler targets OS [$target_os]
217 --target-exec=CMD command to run executables on target
218 --target-path=DIR path to view of build directory on target
219 --toolchain=NAME set tool defaults according to NAME
220 --nm=NM use nm tool
221 --ar=AR use archive tool AR [$ar_default]
222 --as=AS use assembler AS [$as_default]
223 --cc=CC use C compiler CC [$cc_default]
224 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
225 --ld=LD use linker LD
226 --host-cc=HOSTCC use host C compiler HOSTCC
227 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
228 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
229 --host-ld=HOSTLD use host linker HOSTLD
230 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
231 --host-libs=HLIBS use libs HLIBS when linking for host
232 --host-os=OS compiler host OS [$target_os]
233 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
234 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
235 --extra-libs=ELIBS add ELIBS [$ELIBS]
236 --extra-version=STRING version string suffix []
237 --optflags=OPTFLAGS override optimization-related compiler flags
238 --build-suffix=SUFFIX library name suffix []
239 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
240 --arch=ARCH select architecture [$arch]
241 --cpu=CPU select the minimum required CPU (affects
242 instruction selection, may crash on older CPUs)
243 --enable-pic build position-independent code
244 --enable-sram allow use of on-chip SRAM
245 --enable-thumb compile for Thumb instruction set
246 --disable-symver disable symbol versioning
247 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
248 --disable-safe-bitstream-reader
249 disable buffer boundary checking in bitreaders
250 (faster, but may crash)
251 --enable-memalign-hack emulate memalign, interferes with memory debuggers
252 --enable-lto use link-time optimization
253
254 Optimization options (experts only):
255 --disable-asm disable all assembler optimizations
256 --disable-altivec disable AltiVec optimizations
257 --disable-amd3dnow disable 3DNow! optimizations
258 --disable-amd3dnowext disable 3DNow! extended optimizations
259 --disable-mmx disable MMX optimizations
260 --disable-mmxext disable MMXEXT optimizations
261 --disable-sse disable SSE optimizations
262 --disable-sse2 disable SSE2 optimizations
263 --disable-sse3 disable SSE3 optimizations
264 --disable-ssse3 disable SSSE3 optimizations
265 --disable-sse4 disable SSE4 optimizations
266 --disable-sse42 disable SSE4.2 optimizations
267 --disable-avx disable AVX optimizations
268 --disable-fma4 disable FMA4 optimizations
269 --disable-armv5te disable armv5te optimizations
270 --disable-armv6 disable armv6 optimizations
271 --disable-armv6t2 disable armv6t2 optimizations
272 --disable-vfp disable VFP optimizations
273 --disable-neon disable NEON optimizations
274 --disable-vis disable VIS optimizations
275 --disable-inline-asm disable use of inline assembler
276 --disable-yasm disable use of yasm assembler
277
278 Developer options (useful when working on Libav itself):
279 --disable-debug disable debugging symbols
280 --enable-debug=LEVEL set the debug level [$debuglevel]
281 --disable-optimizations disable compiler optimizations
282 --enable-extra-warnings enable more compiler warnings
283 --samples=PATH location of test samples for FATE, if not set use
284 \$LIBAV_SAMPLES at make invocation time.
285 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
286 should be used only for debugging purposes)
287 --enable-random randomly enable/disable components
288 --disable-random
289 --enable-random=LIST randomly enable/disable specific components or
290 --disable-random=LIST component groups. LIST is a comma-separated list
291 of NAME[:PROB] entries where NAME is a component
292 (group) and PROB the probability associated with
293 NAME (default 0.5).
294 --random-seed=VALUE seed value for --enable/disable-random
295
296 NOTE: Object files are built at the place where configure is launched.
297 EOF
298 exit 0
299 }
300
301 quotes='""'
302
303 log(){
304 echo "$@" >> $logfile
305 }
306
307 log_file(){
308 log BEGIN $1
309 pr -n -t $1 >> $logfile
310 log END $1
311 }
312
313 echolog(){
314 log "$@"
315 echo "$@"
316 }
317
318 warn(){
319 log "WARNING: $*"
320 WARNINGS="${WARNINGS}WARNING: $*\n"
321 }
322
323 die(){
324 echolog "$@"
325 cat <<EOF
326
327 If you think configure made a mistake, make sure you are using the latest
328 version from Git. If the latest version fails, report the problem to the
329 libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
330 EOF
331 if disabled logging; then
332 cat <<EOF
333 Rerun configure with logging enabled (do not use --disable-logging), and
334 include the log this produces with your report.
335 EOF
336 else
337 cat <<EOF
338 Include the log file "$logfile" produced by configure as this will help
339 solving the problem.
340 EOF
341 fi
342 exit 1
343 }
344
345 # Avoid locale weirdness, besides we really just want to translate ASCII.
346 toupper(){
347 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
348 }
349
350 tolower(){
351 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
352 }
353
354 c_escape(){
355 echo "$*" | sed 's/["\\]/\\\0/g'
356 }
357
358 sh_quote(){
359 v=$(echo "$1" | sed "s/'/'\\\\''/g")
360 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
361 echo "$v"
362 }
363
364 cleanws(){
365 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
366 }
367
368 filter(){
369 pat=$1
370 shift
371 for v; do
372 eval "case $v in $pat) echo $v ;; esac"
373 done
374 }
375
376 filter_out(){
377 pat=$1
378 shift
379 for v; do
380 eval "case $v in $pat) ;; *) echo $v ;; esac"
381 done
382 }
383
384 map(){
385 m=$1
386 shift
387 for v; do eval $m; done
388 }
389
390 add_suffix(){
391 suffix=$1
392 shift
393 for v; do echo ${v}${suffix}; done
394 }
395
396 set_all(){
397 value=$1
398 shift
399 for var in $*; do
400 eval $var=$value
401 done
402 }
403
404 set_weak(){
405 value=$1
406 shift
407 for var; do
408 eval : \${$var:=$value}
409 done
410 }
411
412 sanitize_var_name(){
413 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
414 }
415
416 set_safe(){
417 var=$1
418 shift
419 eval $(sanitize_var_name "$var")='$*'
420 }
421
422 get_safe(){
423 eval echo \$$(sanitize_var_name "$1")
424 }
425
426 pushvar(){
427 for pvar in $*; do
428 eval level=\${${pvar}_level:=0}
429 eval ${pvar}_${level}="\$$pvar"
430 eval ${pvar}_level=$(($level+1))
431 done
432 }
433
434 popvar(){
435 for pvar in $*; do
436 eval level=\${${pvar}_level:-0}
437 test $level = 0 && continue
438 eval level=$(($level-1))
439 eval $pvar="\${${pvar}_${level}}"
440 eval ${pvar}_level=$level
441 eval unset ${pvar}_${level}
442 done
443 }
444
445 enable(){
446 set_all yes $*
447 }
448
449 disable(){
450 set_all no $*
451 }
452
453 enable_weak(){
454 set_weak yes $*
455 }
456
457 disable_weak(){
458 set_weak no $*
459 }
460
461 enable_safe(){
462 for var; do
463 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
464 done
465 }
466
467 disable_safe(){
468 for var; do
469 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
470 done
471 }
472
473 do_enable_deep(){
474 for var; do
475 enabled $var && continue
476 eval sel="\$${var}_select"
477 eval sgs="\$${var}_suggest"
478 pushvar var sgs
479 enable_deep $sel
480 popvar sgs
481 enable_deep_weak $sgs
482 popvar var
483 done
484 }
485
486 enable_deep(){
487 do_enable_deep $*
488 enable $*
489 }
490
491 enable_deep_weak(){
492 for var; do
493 disabled $var && continue
494 pushvar var
495 do_enable_deep $var
496 popvar var
497 enable_weak $var
498 done
499 }
500
501 enabled(){
502 test "${1#!}" = "$1" && op== || op=!=
503 eval test "x\$${1#!}" $op "xyes"
504 }
505
506 disabled(){
507 test "${1#!}" = "$1" && op== || op=!=
508 eval test "x\$${1#!}" $op "xno"
509 }
510
511 enabled_all(){
512 for opt; do
513 enabled $opt || return 1
514 done
515 }
516
517 disabled_all(){
518 for opt; do
519 disabled $opt || return 1
520 done
521 }
522
523 enabled_any(){
524 for opt; do
525 enabled $opt && return 0
526 done
527 }
528
529 disabled_any(){
530 for opt; do
531 disabled $opt && return 0
532 done
533 return 1
534 }
535
536 set_default(){
537 for opt; do
538 eval : \${$opt:=\$${opt}_default}
539 done
540 }
541
542 is_in(){
543 value=$1
544 shift
545 for var in $*; do
546 [ $var = $value ] && return 0
547 done
548 return 1
549 }
550
551 do_check_deps(){
552 for cfg; do
553 cfg="${cfg#!}"
554 enabled ${cfg}_checking && die "Circular dependency for $cfg."
555 disabled ${cfg}_checking && continue
556 enable ${cfg}_checking
557 append allopts $cfg
558
559 eval dep_all="\$${cfg}_deps"
560 eval dep_any="\$${cfg}_deps_any"
561 eval dep_sel="\$${cfg}_select"
562 eval dep_sgs="\$${cfg}_suggest"
563 eval dep_ifa="\$${cfg}_if"
564 eval dep_ifn="\$${cfg}_if_any"
565
566 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
567 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
568 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
569
570 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
571 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
572 enabled_all $dep_all || disable $cfg
573 enabled_any $dep_any || disable $cfg
574 disabled_any $dep_sel && disable $cfg
575
576 if enabled $cfg; then
577 enable_deep $dep_sel
578 enable_deep_weak $dep_sgs
579 fi
580
581 disable ${cfg}_checking
582 done
583 }
584
585 check_deps(){
586 unset allopts
587
588 do_check_deps "$@"
589
590 for cfg in $allopts; do
591 enabled $cfg || continue
592 eval dep_extralibs="\$${cfg}_extralibs"
593 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
594 done
595 }
596
597 print_config(){
598 pfx=$1
599 files=$2
600 shift 2
601 map 'eval echo "$v \${$v:-no}"' "$@" |
602 awk "BEGIN { split(\"$files\", files) }
603 {
604 c = \"$pfx\" toupper(\$1);
605 v = \$2;
606 sub(/yes/, 1, v);
607 sub(/no/, 0, v);
608 for (f in files) {
609 file = files[f];
610 if (file ~ /\\.h\$/) {
611 printf(\"#define %s %d\\n\", c, v) >>file;
612 } else if (file ~ /\\.asm\$/) {
613 printf(\"%%define %s %d\\n\", c, v) >>file;
614 } else if (file ~ /\\.mak\$/) {
615 n = -v ? \"\" : \"!\";
616 printf(\"%s%s=yes\\n\", n, c) >>file;
617 }
618 }
619 }"
620 }
621
622 print_enabled(){
623 suf=$1
624 shift
625 for v; do
626 enabled $v && printf "%s\n" ${v%$suf};
627 done
628 }
629
630 append(){
631 var=$1
632 shift
633 eval "$var=\"\$$var $*\""
634 }
635
636 prepend(){
637 var=$1
638 shift
639 eval "$var=\"$* \$$var\""
640 }
641
642 add_cppflags(){
643 append CPPFLAGS "$@"
644 }
645
646 add_cflags(){
647 append CFLAGS $($cflags_filter "$@")
648 }
649
650 add_asflags(){
651 append ASFLAGS $($asflags_filter "$@")
652 }
653
654 add_ldflags(){
655 append LDFLAGS $($ldflags_filter "$@")
656 }
657
658 add_extralibs(){
659 prepend extralibs $($ldflags_filter "$@")
660 }
661
662 add_host_cppflags(){
663 append host_cppflags "$@"
664 }
665
666 add_host_cflags(){
667 append host_cflags $($host_cflags_filter "$@")
668 }
669
670 add_host_ldflags(){
671 append host_ldflags $($host_ldflags_filter "$@")
672 }
673
674 add_compat(){
675 append compat_objs $1
676 shift
677 map 'add_cppflags -D$v' "$@"
678 }
679
680 check_cmd(){
681 log "$@"
682 "$@" >> $logfile 2>&1
683 }
684
685 cc_o(){
686 eval printf '%s\\n' $CC_O
687 }
688
689 cc_e(){
690 eval printf '%s\\n' $CC_E
691 }
692
693 check_cc(){
694 log check_cc "$@"
695 cat > $TMPC
696 log_file $TMPC
697 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
698 }
699
700 check_cpp(){
701 log check_cpp "$@"
702 cat > $TMPC
703 log_file $TMPC
704 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
705 }
706
707 as_o(){
708 eval printf '%s\\n' $AS_O
709 }
710
711 check_as(){
712 log check_as "$@"
713 cat > $TMPS
714 log_file $TMPS
715 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
716 }
717
718 check_inline_asm(){
719 log check_inline_asm "$@"
720 name="$1"
721 code="$2"
722 shift 2
723 disable $name
724 check_cc "$@" <<EOF && enable $name
725 void foo(void){ __asm__ volatile($code); }
726 EOF
727 }
728
729 check_insn(){
730 log check_insn "$@"
731 check_inline_asm ${1}_inline "\"$2\""
732 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
733 }
734
735 check_yasm(){
736 log check_yasm "$@"
737 echo "$1" > $TMPS
738 log_file $TMPS
739 shift 1
740 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
741 }
742
743 ld_o(){
744 eval printf '%s\\n' $LD_O
745 }
746
747 check_ld(){
748 log check_ld "$@"
749 flags=$(filter_out '-l*' "$@")
750 libs=$(filter '-l*' "$@")
751 check_cc $($cflags_filter $flags) || return
752 flags=$($ldflags_filter $flags)
753 libs=$($ldflags_filter $libs)
754 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
755 }
756
757 check_code(){
758 log check_code "$@"
759 check=$1
760 headers=$2
761 code=$3
762 shift 3
763 {
764 for hdr in $headers; do
765 echo "#include <$hdr>"
766 done
767 echo "int main(void) { $code; return 0; }"
768 } | check_$check "$@"
769 }
770
771 check_cppflags(){
772 log check_cppflags "$@"
773 check_cc "$@" <<EOF && append CPPFLAGS "$@"
774 int x;
775 EOF
776 }
777
778 check_cflags(){
779 log check_cflags "$@"
780 set -- $($cflags_filter "$@")
781 check_cc "$@" <<EOF && append CFLAGS "$@"
782 int x;
783 EOF
784 }
785
786 test_ldflags(){
787 log test_ldflags "$@"
788 check_ld "$@" <<EOF
789 int main(void){ return 0; }
790 EOF
791 }
792
793 check_ldflags(){
794 log check_ldflags "$@"
795 test_ldflags "$@" && add_ldflags "$@"
796 }
797
798 check_header(){
799 log check_header "$@"
800 header=$1
801 shift
802 disable_safe $header
803 check_cpp "$@" <<EOF && enable_safe $header
804 #include <$header>
805 int x;
806 EOF
807 }
808
809 check_func(){
810 log check_func "$@"
811 func=$1
812 shift
813 disable $func
814 check_ld "$@" <<EOF && enable $func
815 extern int $func();
816 int main(void){ $func(); }
817 EOF
818 }
819
820 check_mathfunc(){
821 log check_mathfunc "$@"
822 func=$1
823 narg=$2
824 shift 2
825 test $narg = 2 && args="f, g" || args="f"
826 disable $func
827 check_ld "$@" <<EOF && enable $func
828 #include <math.h>
829 float foo(float f, float g) { return $func($args); }
830 int main(void){ return 0; }
831 EOF
832 }
833
834 check_func_headers(){
835 log check_func_headers "$@"
836 headers=$1
837 funcs=$2
838 shift 2
839 {
840 for hdr in $headers; do
841 echo "#include <$hdr>"
842 done
843 for func in $funcs; do
844 echo "long check_$func(void) { return (long) $func; }"
845 done
846 echo "int main(void) { return 0; }"
847 } | check_ld "$@" && enable $funcs && enable_safe $headers
848 }
849
850 check_cpp_condition(){
851 log check_cpp_condition "$@"
852 header=$1
853 condition=$2
854 shift 2
855 check_cpp "$@" <<EOF
856 #include <$header>
857 #if !($condition)
858 #error "unsatisfied condition: $condition"
859 #endif
860 EOF
861 }
862
863 check_lib(){
864 log check_lib "$@"
865 header="$1"
866 func="$2"
867 shift 2
868 check_header $header && check_func $func "$@" && add_extralibs "$@"
869 }
870
871 check_lib2(){
872 log check_lib2 "$@"
873 headers="$1"
874 funcs="$2"
875 shift 2
876 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
877 }
878
879 check_pkg_config(){
880 log check_pkg_config "$@"
881 pkg="$1"
882 headers="$2"
883 funcs="$3"
884 shift 3
885 $pkg_config --exists $pkg || return
886 pkg_cflags=$($pkg_config --cflags $pkg)
887 pkg_libs=$($pkg_config --libs $pkg)
888 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
889 set_safe ${pkg}_cflags $pkg_cflags &&
890 set_safe ${pkg}_libs $pkg_libs
891 }
892
893 check_exec(){
894 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
895 }
896
897 check_exec_crash(){
898 code=$(cat)
899
900 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
901 # are safe but may not be available everywhere. Thus we use
902 # raise(SIGTERM) instead. The check is run in a subshell so we
903 # can redirect the "Terminated" message from the shell. SIGBUS
904 # is not defined by standard C so it is used conditionally.
905
906 (check_exec "$@") >> $logfile 2>&1 <<EOF
907 #include <signal.h>
908 static void sighandler(int sig){
909 raise(SIGTERM);
910 }
911 int foo(void){
912 $code
913 }
914 int main(void){
915 signal(SIGILL, sighandler);
916 signal(SIGFPE, sighandler);
917 signal(SIGSEGV, sighandler);
918 #ifdef SIGBUS
919 signal(SIGBUS, sighandler);
920 #endif
921 foo();
922 }
923 EOF
924 }
925
926 check_type(){
927 log check_type "$@"
928 headers=$1
929 type=$2
930 shift 2
931 disable_safe "$type"
932 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
933 }
934
935 check_struct(){
936 log check_struct "$@"
937 headers=$1
938 struct=$2
939 member=$3
940 shift 3
941 disable_safe "${struct}_${member}"
942 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
943 enable_safe "${struct}_${member}"
944 }
945
946 check_builtin(){
947 log check_builtin "$@"
948 name=$1
949 headers=$2
950 builtin=$3
951 shift 3
952 disable "$name"
953 check_code ld "$headers" "$builtin" "$@" && enable "$name"
954 }
955
956 require(){
957 name="$1"
958 header="$2"
959 func="$3"
960 shift 3
961 check_lib $header $func "$@" || die "ERROR: $name not found"
962 }
963
964 require2(){
965 name="$1"
966 headers="$2"
967 func="$3"
968 shift 3
969 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
970 }
971
972 require_pkg_config(){
973 pkg="$1"
974 check_pkg_config "$@" || die "ERROR: $pkg not found"
975 add_cflags $(get_safe ${pkg}_cflags)
976 add_extralibs $(get_safe ${pkg}_libs)
977 }
978
979 hostcc_o(){
980 eval printf '%s\\n' $HOSTCC_O
981 }
982
983 check_host_cc(){
984 log check_host_cc "$@"
985 cat > $TMPC
986 log_file $TMPC
987 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
988 }
989
990 check_host_cppflags(){
991 log check_host_cppflags "$@"
992 check_host_cc "$@" <<EOF && append host_cppflags "$@"
993 int x;
994 EOF
995 }
996
997 check_host_cflags(){
998 log check_host_cflags "$@"
999 set -- $($host_cflags_filter "$@")
1000 check_host_cc "$@" <<EOF && append host_cflags "$@"
1001 int x;
1002 EOF
1003 }
1004
1005 apply(){
1006 file=$1
1007 shift
1008 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1009 }
1010
1011 cp_if_changed(){
1012 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1013 mkdir -p "$(dirname $2)"
1014 $cp_f "$1" "$2"
1015 }
1016
1017 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1018 # system-dependent things.
1019
1020 COMPONENT_LIST="
1021 bsfs
1022 decoders
1023 demuxers
1024 encoders
1025 filters
1026 hwaccels
1027 indevs
1028 muxers
1029 outdevs
1030 parsers
1031 protocols
1032 "
1033
1034 EXTERNAL_LIBRARY_LIST="
1035 avisynth
1036 bzlib
1037 frei0r
1038 gnutls
1039 libcdio
1040 libdc1394
1041 libfaac
1042 libfdk_aac
1043 libfreetype
1044 libgsm
1045 libilbc
1046 libmp3lame
1047 libopencore_amrnb
1048 libopencore_amrwb
1049 libopencv
1050 libopenjpeg
1051 libopus
1052 libpulse
1053 librtmp
1054 libschroedinger
1055 libspeex
1056 libtheora
1057 libvo_aacenc
1058 libvo_amrwbenc
1059 libvorbis
1060 libvpx
1061 libx264
1062 libxavs
1063 libxvid
1064 openssl
1065 x11grab
1066 zlib
1067 "
1068
1069 HWACCEL_LIST="
1070 dxva2
1071 vaapi
1072 vda
1073 vdpau
1074 "
1075 LIBRARY_LIST="
1076 avcodec
1077 avdevice
1078 avfilter
1079 avformat
1080 avresample
1081 avutil
1082 swscale
1083 "
1084
1085 PROGRAM_LIST="
1086 avconv
1087 avplay
1088 avprobe
1089 avserver
1090 "
1091
1092 CONFIG_LIST="
1093 $COMPONENT_LIST
1094 $EXTERNAL_LIBRARY_LIST
1095 $HWACCEL_LIST
1096 $LIBRARY_LIST
1097 $PROGRAM_LIST
1098 dct
1099 doc
1100 error_resilience
1101 fft
1102 gpl
1103 gray
1104 hardcoded_tables
1105 lsp
1106 lzo
1107 mdct
1108 memalign_hack
1109 network
1110 nonfree
1111 pic
1112 rdft
1113 runtime_cpudetect
1114 safe_bitstream_reader
1115 shared
1116 small
1117 sram
1118 static
1119 swscale_alpha
1120 thumb
1121 version3
1122 xmm_clobber_test
1123 "
1124
1125 THREADS_LIST='
1126 pthreads
1127 w32threads
1128 '
1129
1130 ATOMICS_LIST='
1131 atomics_gcc
1132 atomics_suncc
1133 atomics_win32
1134 '
1135
1136 ARCH_LIST='
1137 aarch64
1138 alpha
1139 arm
1140 avr32
1141 avr32_ap
1142 avr32_uc
1143 bfin
1144 ia64
1145 m68k
1146 mips
1147 mips64
1148 parisc
1149 ppc
1150 ppc64
1151 s390
1152 sh4
1153 sparc
1154 sparc64
1155 tilegx
1156 tilepro
1157 tomi
1158 x86
1159 x86_32
1160 x86_64
1161 '
1162
1163 ARCH_EXT_LIST_ARM='
1164 armv5te
1165 armv6
1166 armv6t2
1167 neon
1168 vfp
1169 vfpv3
1170 '
1171
1172 ARCH_EXT_LIST_X86='
1173 amd3dnow
1174 amd3dnowext
1175 avx
1176 fma4
1177 mmx
1178 mmxext
1179 sse
1180 sse2
1181 sse3
1182 sse4
1183 sse42
1184 ssse3
1185 '
1186
1187 ARCH_EXT_LIST="
1188 $ARCH_EXT_LIST_ARM
1189 $ARCH_EXT_LIST_X86
1190 altivec
1191 ppc4xx
1192 vis
1193 "
1194
1195 HAVE_LIST_CMDLINE='
1196 inline_asm
1197 symver
1198 yasm
1199 '
1200
1201 HAVE_LIST_PUB='
1202 bigendian
1203 fast_unaligned
1204 '
1205
1206 MATH_FUNCS="
1207 atanf
1208 atan2f
1209 cbrtf
1210 cosf
1211 exp2
1212 exp2f
1213 expf
1214 isinf
1215 isnan
1216 ldexpf
1217 llrint
1218 llrintf
1219 log2
1220 log2f
1221 log10f
1222 lrint
1223 lrintf
1224 powf
1225 rint
1226 round
1227 roundf
1228 sinf
1229 trunc
1230 truncf
1231 "
1232
1233 HAVE_LIST="
1234 $ARCH_EXT_LIST
1235 $(add_suffix _external $ARCH_EXT_LIST)
1236 $(add_suffix _inline $ARCH_EXT_LIST)
1237 $HAVE_LIST_CMDLINE
1238 $HAVE_LIST_PUB
1239 $THREADS_LIST
1240 $ATOMICS_LIST
1241 $MATH_FUNCS
1242 aligned_malloc
1243 aligned_stack
1244 alsa_asoundlib_h
1245 altivec_h
1246 arpa_inet_h
1247 asm_mod_q
1248 asm_mod_y
1249 atomic_cas_ptr
1250 atomics_native
1251 attribute_may_alias
1252 attribute_packed
1253 cdio_paranoia_h
1254 cdio_paranoia_paranoia_h
1255 closesocket
1256 cmov
1257 CommandLineToArgvW
1258 cpunop
1259 CryptGenRandom
1260 dcbzl
1261 dev_bktr_ioctl_bt848_h
1262 dev_bktr_ioctl_meteor_h
1263 dev_ic_bt8xx_h
1264 dev_video_bktr_ioctl_bt848_h
1265 dev_video_meteor_ioctl_meteor_h
1266 direct_h
1267 dlfcn_h
1268 dlopen
1269 dos_paths
1270 dxva_h
1271 ebp_available
1272 ebx_available
1273 fast_64bit
1274 fast_clz
1275 fast_cmov
1276 fcntl
1277 fork
1278 getaddrinfo
1279 gethrtime
1280 getopt
1281 GetProcessAffinityMask
1282 GetProcessMemoryInfo
1283 GetProcessTimes
1284 GetSystemTimeAsFileTime
1285 getrusage
1286 getservbyport
1287 gettimeofday
1288 gnu_as
1289 gsm_h
1290 ibm_asm
1291 inet_aton
1292 io_h
1293 isatty
1294 jack_port_get_latency_range
1295 ldbrx
1296 libdc1394_1
1297 libdc1394_2
1298 local_aligned_16
1299 local_aligned_8
1300 localtime_r
1301 loongson
1302 machine_ioctl_bt848_h
1303 machine_ioctl_meteor_h
1304 machine_rw_barrier
1305 malloc_h
1306 MapViewOfFile
1307 memalign
1308 MemoryBarrier
1309 mkstemp
1310 mm_empty
1311 mmap
1312 mprotect
1313 msvcrt
1314 nanosleep
1315 poll_h
1316 posix_memalign
1317 rdtsc
1318 sched_getaffinity
1319 sdl
1320 SetConsoleTextAttribute
1321 setmode
1322 setrlimit
1323 Sleep
1324 sndio_h
1325 socklen_t
1326 soundcard_h
1327 strerror_r
1328 strptime
1329 strtok_r
1330 struct_addrinfo
1331 struct_group_source_req
1332 struct_ip_mreq_source
1333 struct_ipv6_mreq
1334 struct_pollfd
1335 struct_rusage_ru_maxrss
1336 struct_sockaddr_in6
1337 struct_sockaddr_sa_len
1338 struct_sockaddr_storage
1339 struct_v4l2_frmivalenum_discrete
1340 symver_asm_label
1341 symver_gnu_asm
1342 sync_val_compare_and_swap
1343 sysconf
1344 sysctl
1345 sys_mman_h
1346 sys_param_h
1347 sys_resource_h
1348 sys_select_h
1349 sys_soundcard_h
1350 sys_time_h
1351 sys_videoio_h
1352 threads
1353 unistd_h
1354 usleep
1355 vfp_args
1356 VirtualAlloc
1357 windows_h
1358 winsock2_h
1359 xform_asm
1360 xmm_clobbers
1361 "
1362
1363 # options emitted with CONFIG_ prefix but not available on the command line
1364 CONFIG_EXTRA="
1365 aandcttables
1366 ac3dsp
1367 audio_frame_queue
1368 dsputil
1369 gcrypt
1370 golomb
1371 gplv3
1372 h264chroma
1373 h264dsp
1374 h264pred
1375 h264qpel
1376 hpeldsp
1377 huffman
1378 lgplv3
1379 lpc
1380 mpegaudio
1381 mpegaudiodsp
1382 mpegvideo
1383 mpegvideoenc
1384 nettle
1385 rangecoder
1386 rtpdec
1387 rtpenc_chain
1388 sinewin
1389 videodsp
1390 vp3dsp
1391 "
1392
1393 CMDLINE_SELECT="
1394 $ARCH_EXT_LIST
1395 $CONFIG_LIST
1396 $HAVE_LIST_CMDLINE
1397 $THREADS_LIST
1398 asm
1399 cross_compile
1400 debug
1401 extra_warnings
1402 logging
1403 lto
1404 optimizations
1405 "
1406
1407 PATHS_LIST='
1408 bindir
1409 datadir
1410 incdir
1411 libdir
1412 mandir
1413 prefix
1414 shlibdir
1415 '
1416
1417 CMDLINE_SET="
1418 $PATHS_LIST
1419 ar
1420 arch
1421 as
1422 build_suffix
1423 cc
1424 cpu
1425 cross_prefix
1426 dep_cc
1427 extra_version
1428 host_cc
1429 host_cflags
1430 host_ld
1431 host_ldflags
1432 host_libs
1433 host_os
1434 ld
1435 logfile
1436 malloc_prefix
1437 nm
1438 optflags
1439 pkg_config
1440 random_seed
1441 samples
1442 sysinclude
1443 sysroot
1444 target_exec
1445 target_os
1446 target_path
1447 toolchain
1448 "
1449
1450 CMDLINE_APPEND="
1451 extra_cflags
1452 host_cppflags
1453 "
1454
1455 # code dependency declarations
1456
1457 # architecture extensions
1458
1459 armv5te_deps="arm"
1460 armv6_deps="arm"
1461 armv6t2_deps="arm"
1462 neon_deps="arm"
1463 vfp_deps="arm"
1464 vfpv3_deps="vfp"
1465
1466 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1467
1468 altivec_deps="ppc"
1469 ppc4xx_deps="ppc"
1470
1471 vis_deps="sparc"
1472
1473 x86_64_suggest="cmov fast_cmov"
1474
1475 amd3dnow_deps="mmx"
1476 amd3dnowext_deps="amd3dnow"
1477 mmx_deps="x86"
1478 mmxext_deps="mmx"
1479 sse_deps="mmxext"
1480 sse2_deps="sse"
1481 sse3_deps="sse2"
1482 ssse3_deps="sse3"
1483 sse4_deps="ssse3"
1484 sse42_deps="sse4"
1485 avx_deps="sse42"
1486 fma4_deps="avx"
1487
1488 mmx_external_deps="yasm"
1489 mmx_inline_deps="inline_asm"
1490 mmx_suggest="mmx_external mmx_inline"
1491
1492 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1493 eval dep=\$${ext}_deps
1494 eval ${ext}_external_deps='"${dep}_external"'
1495 eval ${ext}_inline_deps='"${dep}_inline"'
1496 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1497 done
1498
1499 aligned_stack_if_any="ppc x86"
1500 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1501 fast_clz_if_any="alpha avr32 mips ppc x86"
1502 fast_unaligned_if_any="ppc x86"
1503
1504 inline_asm_deps="!tms470"
1505 need_memalign="altivec neon sse"
1506
1507 symver_if_any="symver_asm_label symver_gnu_asm"
1508
1509 log2_deps="!msvcrt"
1510
1511 # subsystems
1512 dct_select="rdft"
1513 error_resilience_select="dsputil"
1514 lpc_select="dsputil"
1515 mdct_select="fft"
1516 rdft_select="fft"
1517 mpegaudio_select="mpegaudiodsp"
1518 mpegaudiodsp_select="dct"
1519 mpegvideo_select="dsputil hpeldsp videodsp"
1520 mpegvideoenc_select="mpegvideo"
1521
1522 # decoders / encoders
1523 aac_decoder_select="mdct sinewin"
1524 aac_encoder_select="audio_frame_queue mdct sinewin"
1525 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1526 ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1527 ac3_encoder_select="mdct ac3dsp dsputil"
1528 ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1529 alac_encoder_select="lpc"
1530 als_decoder_select="dsputil"
1531 amrnb_decoder_select="lsp"
1532 amrwb_decoder_select="lsp"
1533 amv_decoder_select="dsputil hpeldsp"
1534 ape_decoder_select="dsputil"
1535 asv1_decoder_select="dsputil"
1536 asv1_encoder_select="dsputil"
1537 asv2_decoder_select="dsputil"
1538 asv2_encoder_select="dsputil"
1539 atrac1_decoder_select="mdct sinewin"
1540 atrac3_decoder_select="mdct"
1541 bink_decoder_select="dsputil hpeldsp"
1542 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1543 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1544 cavs_decoder_select="dsputil golomb h264chroma videodsp"
1545 cllc_decoder_select="dsputil"
1546 comfortnoise_encoder_select="lpc"
1547 cook_decoder_select="dsputil mdct sinewin"
1548 cscd_decoder_select="lzo"
1549 cscd_decoder_suggest="zlib"
1550 dca_decoder_select="mdct"
1551 dnxhd_decoder_select="dsputil"
1552 dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1553 dvvideo_decoder_select="dsputil"
1554 dvvideo_encoder_select="dsputil"
1555 dxa_decoder_select="zlib"
1556 eac3_decoder_select="ac3_decoder"
1557 eac3_encoder_select="ac3_encoder"
1558 eamad_decoder_select="aandcttables dsputil mpegvideo"
1559 eatgq_decoder_select="aandcttables dsputil"
1560 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1561 ffv1_decoder_select="dsputil golomb rangecoder"
1562 ffv1_encoder_select="dsputil rangecoder"
1563 ffvhuff_decoder_select="dsputil"
1564 ffvhuff_encoder_select="dsputil huffman"
1565 flac_decoder_select="golomb"
1566 flac_encoder_select="dsputil golomb lpc"
1567 flashsv_decoder_select="zlib"
1568 flashsv_encoder_select="zlib"
1569 flashsv2_decoder_select="zlib"
1570 flv_decoder_select="h263_decoder"
1571 flv_encoder_select="h263_encoder"
1572 fourxm_decoder_select="dsputil"
1573 fraps_decoder_select="dsputil huffman"
1574 h261_decoder_select="error_resilience mpegvideo"
1575 h261_encoder_select="aandcttables mpegvideoenc"
1576 h263_decoder_select="error_resilience h263_parser mpegvideo"
1577 h263_encoder_select="aandcttables mpegvideoenc"
1578 h263i_decoder_select="h263_decoder"
1579 h263p_encoder_select="h263_encoder"
1580 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1581 h264_decoder_suggest="error_resilience"
1582 huffyuv_decoder_select="dsputil"
1583 huffyuv_encoder_select="dsputil huffman"
1584 iac_decoder_select="dsputil fft mdct sinewin"
1585 imc_decoder_select="dsputil fft mdct sinewin"
1586 indeo3_decoder_select="hpeldsp"
1587 interplay_video_decoder_select="hpeldsp"
1588 jpegls_decoder_select="dsputil golomb hpeldsp"
1589 jpegls_encoder_select="golomb"
1590 jv_decoder_select="dsputil"
1591 lagarith_decoder_select="dsputil"
1592 ljpeg_encoder_select="aandcttables mpegvideoenc"
1593 loco_decoder_select="golomb"
1594 mdec_decoder_select="dsputil error_resilience mpegvideo"
1595 mimic_decoder_select="dsputil hpeldsp"
1596 mjpeg_decoder_select="dsputil hpeldsp"
1597 mjpegb_decoder_select="dsputil hpeldsp"
1598 mjpeg_encoder_select="aandcttables dsputil mpegvideoenc"
1599 mlp_decoder_select="dsputil mlp_parser"
1600 motionpixels_decoder_select="dsputil"
1601 mp1_decoder_select="mpegaudio"
1602 mp1float_decoder_select="mpegaudio"
1603 mp2_decoder_select="mpegaudio"
1604 mp2float_decoder_select="mpegaudio"
1605 mp3_decoder_select="mpegaudio"
1606 mp3adu_decoder_select="mpegaudio"
1607 mp3adufloat_decoder_select="mpegaudio"
1608 mp3float_decoder_select="mpegaudio"
1609 mp3on4_decoder_select="mpegaudio"
1610 mp3on4float_decoder_select="mpegaudio"
1611 mpc7_decoder_select="dsputil mpegaudiodsp"
1612 mpc8_decoder_select="dsputil mpegaudiodsp"
1613 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1614 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1615 mpeg1video_decoder_select="error_resilience mpegvideo"
1616 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1617 mpeg2video_decoder_select="error_resilience mpegvideo"
1618 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1619 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1620 mpeg4_encoder_select="h263_encoder"
1621 msmpeg4v1_decoder_select="h263_decoder"
1622 msmpeg4v2_decoder_select="h263_decoder"
1623 msmpeg4v2_encoder_select="h263_encoder"
1624 msmpeg4v3_decoder_select="h263_decoder"
1625 msmpeg4v3_encoder_select="h263_encoder"
1626 mss2_decoder_select="error_resilience vc1_decoder"
1627 mxpeg_decoder_select="dsputil hpeldsp"
1628 nellymoser_decoder_select="mdct sinewin"
1629 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1630 nuv_decoder_select="dsputil lzo"
1631 png_decoder_select="dsputil zlib"
1632 png_encoder_select="dsputil zlib"
1633 prores_decoder_select="dsputil"
1634 prores_encoder_select="dsputil"
1635 qcelp_decoder_select="lsp"
1636 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1637 ra_144_encoder_select="audio_frame_queue lpc"
1638 ralf_decoder_select="golomb"
1639 rv10_decoder_select="error_resilience h263_decoder"
1640 rv10_encoder_select="h263_encoder"
1641 rv20_decoder_select="error_resilience h263_decoder"
1642 rv20_encoder_select="h263_encoder"
1643 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1644 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1645 shorten_decoder_select="golomb"
1646 sipr_decoder_select="lsp"
1647 sp5x_decoder_select="dsputil hpeldsp"
1648 svq1_decoder_select="hpeldsp"
1649 svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
1650 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel hpeldsp mpegvideo videodsp"
1651 svq3_decoder_suggest="error_resilience zlib"
1652 tak_decoder_select="dsputil"
1653 theora_decoder_select="vp3_decoder"
1654 tiff_decoder_suggest="zlib"
1655 tiff_encoder_suggest="zlib"
1656 thp_decoder_select="dsputil hpeldsp"
1657 truehd_decoder_select="mlp_decoder"
1658 truemotion2_decoder_select="dsputil"
1659 truespeech_decoder_select="dsputil"
1660 tscc_decoder_select="zlib"
1661 twinvq_decoder_select="mdct lsp sinewin"
1662 utvideo_decoder_select="dsputil"
1663 utvideo_encoder_select="dsputil huffman"
1664 vble_decoder_select="dsputil"
1665 vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel"
1666 vc1image_decoder_select="vc1_decoder"
1667 vorbis_decoder_select="mdct"
1668 vorbis_encoder_select="mdct"
1669 vp3_decoder_select="hpeldsp vp3dsp videodsp"
1670 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1671 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
1672 vp6a_decoder_select="vp6_decoder"
1673 vp6f_decoder_select="vp6_decoder"
1674 vp8_decoder_select="h264pred videodsp"
1675 wmapro_decoder_select="mdct sinewin"
1676 wmav1_decoder_select="mdct sinewin"
1677 wmav1_encoder_select="mdct sinewin"
1678 wmav2_decoder_select="mdct sinewin"
1679 wmav2_encoder_select="mdct sinewin"
1680 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1681 wmv1_decoder_select="h263_decoder"
1682 wmv1_encoder_select="h263_encoder"
1683 wmv2_decoder_select="h263_decoder videodsp"
1684 wmv2_encoder_select="h263_encoder"
1685 wmv3_decoder_select="vc1_decoder"
1686 wmv3image_decoder_select="wmv3_decoder"
1687 zerocodec_decoder_select="zlib"
1688 zlib_decoder_select="zlib"
1689 zlib_encoder_select="zlib"
1690 zmbv_decoder_select="zlib"
1691 zmbv_encoder_select="zlib"
1692
1693 # hardware accelerators
1694 dxva2_deps="dxva2api_h"
1695 vaapi_deps="va_va_h"
1696 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1697 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
1698 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1699
1700 h263_vaapi_hwaccel_deps="vaapi"
1701 h263_vaapi_hwaccel_select="h263_decoder"
1702 h263_vdpau_hwaccel_deps="vdpau"
1703 h263_vdpau_hwaccel_select="h263_decoder"
1704 h264_dxva2_hwaccel_deps="dxva2"
1705 h264_dxva2_hwaccel_select="h264_decoder"
1706 h264_vaapi_hwaccel_deps="vaapi"
1707 h264_vaapi_hwaccel_select="h264_decoder"
1708 h264_vda_hwaccel_deps="vda"
1709 h264_vda_hwaccel_select="h264_decoder"
1710 h264_vdpau_decoder_deps="vdpau"
1711 h264_vdpau_decoder_select="h264_decoder"
1712 h264_vdpau_hwaccel_deps="vdpau"
1713 h264_vdpau_hwaccel_select="h264_decoder"
1714 mpeg_vdpau_decoder_deps="vdpau"
1715 mpeg_vdpau_decoder_select="mpeg2video_decoder"
1716 mpeg1_vdpau_decoder_deps="vdpau"
1717 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
1718 mpeg1_vdpau_hwaccel_deps="vdpau"
1719 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
1720 mpeg2_dxva2_hwaccel_deps="dxva2"
1721 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
1722 mpeg2_vaapi_hwaccel_deps="vaapi"
1723 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
1724 mpeg2_vdpau_hwaccel_deps="vdpau"
1725 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
1726 mpeg4_vaapi_hwaccel_deps="vaapi"
1727 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
1728 mpeg4_vdpau_decoder_deps="vdpau"
1729 mpeg4_vdpau_decoder_select="mpeg4_decoder"
1730 mpeg4_vdpau_hwaccel_deps="vdpau"
1731 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
1732 vc1_dxva2_hwaccel_deps="dxva2"
1733 vc1_dxva2_hwaccel_select="vc1_decoder"
1734 vc1_vaapi_hwaccel_deps="vaapi"
1735 vc1_vaapi_hwaccel_select="vc1_decoder"
1736 vc1_vdpau_decoder_deps="vdpau"
1737 vc1_vdpau_decoder_select="vc1_decoder"
1738 vc1_vdpau_hwaccel_deps="vdpau"
1739 vc1_vdpau_hwaccel_select="vc1_decoder"
1740 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1741 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1742 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1743 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
1744
1745 # parsers
1746 h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1747 mpeg4video_parser_select="error_resilience mpegvideo"
1748 mpegvideo_parser_select="error_resilience mpegvideo"
1749 vc1_parser_select="mpegvideo"
1750
1751 # external libraries
1752 libfaac_encoder_deps="libfaac"
1753 libfaac_encoder_select="audio_frame_queue"
1754 libfdk_aac_encoder_deps="libfdk_aac"
1755 libfdk_aac_encoder_select="audio_frame_queue"
1756 libgsm_decoder_deps="libgsm"
1757 libgsm_encoder_deps="libgsm"
1758 libgsm_ms_decoder_deps="libgsm"
1759 libgsm_ms_encoder_deps="libgsm"
1760 libilbc_decoder_deps="libilbc"
1761 libilbc_encoder_deps="libilbc"
1762 libmp3lame_encoder_deps="libmp3lame"
1763 libmp3lame_encoder_select="audio_frame_queue"
1764 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1765 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1766 libopencore_amrnb_encoder_select="audio_frame_queue"
1767 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1768 libopenjpeg_decoder_deps="libopenjpeg"
1769 libopenjpeg_encoder_deps="libopenjpeg"
1770 libopus_decoder_deps="libopus"
1771 libopus_encoder_deps="libopus"
1772 libopus_encoder_select="audio_frame_queue"
1773 libschroedinger_decoder_deps="libschroedinger"
1774 libschroedinger_encoder_deps="libschroedinger"
1775 libspeex_decoder_deps="libspeex"
1776 libspeex_encoder_deps="libspeex"
1777 libspeex_encoder_select="audio_frame_queue"
1778 libtheora_encoder_deps="libtheora"
1779 libvo_aacenc_encoder_deps="libvo_aacenc"
1780 libvo_aacenc_encoder_select="audio_frame_queue"
1781 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1782 libvorbis_encoder_deps="libvorbis"
1783 libvorbis_encoder_select="audio_frame_queue"
1784 libvpx_vp8_decoder_deps="libvpx"
1785 libvpx_vp8_encoder_deps="libvpx"
1786 libvpx_vp9_decoder_deps="libvpx"
1787 libvpx_vp9_encoder_deps="libvpx"
1788 libx264_encoder_deps="libx264"
1789 libxavs_encoder_deps="libxavs"
1790 libxvid_encoder_deps="libxvid"
1791
1792 # demuxers / muxers
1793 ac3_demuxer_select="ac3_parser"
1794 asf_stream_muxer_select="asf_muxer"
1795 avisynth_demuxer_deps="avisynth"
1796 dirac_demuxer_select="dirac_parser"
1797 eac3_demuxer_select="ac3_parser"
1798 flac_demuxer_select="flac_parser"
1799 ipod_muxer_select="mov_muxer"
1800 ismv_muxer_select="mov_muxer"
1801 matroska_audio_muxer_select="matroska_muxer"
1802 matroska_demuxer_suggest="bzlib lzo zlib"
1803 mov_demuxer_suggest="zlib"
1804 mov_muxer_select="rtpenc_chain"
1805 mp3_demuxer_select="mpegaudio_parser"
1806 mp4_muxer_select="mov_muxer"
1807 mpegts_muxer_select="adts_muxer latm_muxer"
1808 mpegtsraw_demuxer_select="mpegts_demuxer"
1809 mxf_d10_muxer_select="mxf_muxer"
1810 ogg_demuxer_select="golomb"
1811 psp_muxer_select="mov_muxer"
1812 rtp_demuxer_select="sdp_demuxer"
1813 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1814 rtsp_demuxer_select="http_protocol rtpdec"
1815 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
1816 sap_demuxer_select="sdp_demuxer"
1817 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
1818 sdp_demuxer_select="rtpdec"
1819 smoothstreaming_muxer_select="ismv_muxer"
1820 spdif_muxer_select="aac_parser"
1821 tak_demuxer_select="tak_parser"
1822 tg2_muxer_select="mov_muxer"
1823 tgp_muxer_select="mov_muxer"
1824 w64_demuxer_deps="wav_demuxer"
1825
1826 # indevs / outdevs
1827 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1828 alsa_outdev_deps="alsa_asoundlib_h"
1829 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1830 dv1394_indev_deps="dv1394 dv_demuxer"
1831 fbdev_indev_deps="linux_fb_h"
1832 jack_indev_deps="jack_jack_h"
1833 libcdio_indev_deps="libcdio"
1834 libdc1394_indev_deps="libdc1394"
1835 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1836 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1837 pulse_indev_deps="libpulse"
1838 sndio_indev_deps="sndio_h"
1839 sndio_outdev_deps="sndio_h"
1840 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1841 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1842 vfwcap_indev_extralibs="-lavicap32"
1843 x11grab_indev_deps="x11grab XShmCreateImage"
1844
1845 # protocols
1846 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1847 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1848 ffrtmpcrypt_protocol_select="tcp_protocol"
1849 ffrtmphttp_protocol_deps="!librtmp_protocol"
1850 ffrtmphttp_protocol_select="http_protocol"
1851 gopher_protocol_select="network"
1852 httpproxy_protocol_select="tcp_protocol"
1853 http_protocol_select="tcp_protocol"
1854 https_protocol_select="tls_protocol"
1855 librtmp_protocol_deps="librtmp"
1856 librtmpe_protocol_deps="librtmp"
1857 librtmps_protocol_deps="librtmp"
1858 librtmpt_protocol_deps="librtmp"
1859 librtmpte_protocol_deps="librtmp"
1860 mmsh_protocol_select="http_protocol"
1861 mmst_protocol_select="network"
1862 rtmp_protocol_deps="!librtmp_protocol"
1863 rtmp_protocol_select="tcp_protocol"
1864 rtmpe_protocol_select="ffrtmpcrypt_protocol"
1865 rtmps_protocol_deps="!librtmp_protocol"
1866 rtmps_protocol_select="tls_protocol"
1867 rtmpt_protocol_select="ffrtmphttp_protocol"
1868 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
1869 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
1870 rtp_protocol_select="udp_protocol"
1871 sctp_protocol_deps="struct_sctp_event_subscribe"
1872 sctp_protocol_select="network"
1873 srtp_protocol_select="rtp_protocol"
1874 tcp_protocol_select="network"
1875 tls_protocol_deps_any="openssl gnutls"
1876 tls_protocol_select="tcp_protocol"
1877 udp_protocol_select="network"
1878
1879 # filters
1880 blackframe_filter_deps="gpl"
1881 boxblur_filter_deps="gpl"
1882 cropdetect_filter_deps="gpl"
1883 delogo_filter_deps="gpl"
1884 drawtext_filter_deps="libfreetype"
1885 frei0r_filter_deps="frei0r dlopen strtok_r"
1886 frei0r_filter_extralibs='$ldl'
1887 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1888 frei0r_src_filter_extralibs='$ldl'
1889 hqdn3d_filter_deps="gpl"
1890 interlace_filter_deps="gpl"
1891 resample_filter_deps="avresample"
1892 ocv_filter_deps="libopencv"
1893 scale_filter_deps="swscale"
1894 yadif_filter_deps="gpl"
1895
1896 # libraries
1897 avcodec_deps="avutil"
1898 avdevice_deps="avutil avcodec avformat"
1899 avfilter_deps="avutil"
1900 avformat_deps="avutil avcodec"
1901 avresample_deps="avutil"
1902 swscale_deps="avutil"
1903
1904 # programs
1905 avconv_deps="avcodec avfilter avformat avresample swscale"
1906 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
1907 fps_filter null_filter resample_filter scale_filter
1908 setpts_filter trim_filter"
1909 avplay_deps="avcodec avformat avresample swscale sdl"
1910 avplay_select="rdft"
1911 avprobe_deps="avcodec avformat"
1912 avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
1913 avserver_extralibs='$ldl'
1914
1915 doc_deps="texi2html"
1916
1917 # default parameters
1918
1919 logfile="config.log"
1920
1921 # installation paths
1922 prefix_default="/usr/local"
1923 bindir_default='${prefix}/bin'
1924 datadir_default='${prefix}/share/avconv'
1925 incdir_default='${prefix}/include'
1926 libdir_default='${prefix}/lib'
1927 mandir_default='${prefix}/share/man'
1928 shlibdir_default="$libdir_default"
1929
1930 # toolchain
1931 ar_default="ar"
1932 cc_default="gcc"
1933 host_cc_default="gcc"
1934 cp_f="cp -f"
1935 ln_s="ln -s -f"
1936 nm_default="nm -g"
1937 objformat="elf"
1938 pkg_config_default=pkg-config
1939 ranlib="ranlib"
1940 yasmexe="yasm"
1941
1942 nogas=":"
1943
1944 # machine
1945 arch_default=$(uname -m)
1946 cpu="generic"
1947
1948 # OS
1949 target_os_default=$(tolower $(uname -s))
1950 host_os=$target_os_default
1951
1952 # configurable options
1953 enable $LIBRARY_LIST $PROGRAM_LIST
1954
1955 enable asm
1956 enable debug
1957 enable doc
1958 enable optimizations
1959 enable safe_bitstream_reader
1960 enable static
1961 enable swscale_alpha
1962
1963 # By default, enable only those hwaccels that have no external dependencies.
1964 enable dxva2 vdpau
1965
1966 # build settings
1967 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1968 AVSERVERLDFLAGS=-Wl,-E
1969 LIBPREF="lib"
1970 LIBSUF=".a"
1971 FULLNAME='$(NAME)$(BUILDSUF)'
1972 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1973 SLIBPREF="lib"
1974 SLIBSUF=".so"
1975 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1976 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1977 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1978 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1979 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1980 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1981
1982 asflags_filter=echo
1983 cflags_filter=echo
1984 ldflags_filter=echo
1985
1986 AS_C='-c'
1987 AS_O='-o $@'
1988 CC_C='-c'
1989 CC_E='-E -o $@'
1990 CC_O='-o $@'
1991 LD_O='-o $@'
1992 LD_LIB='-l%'
1993 LD_PATH='-L'
1994 HOSTCC_C='-c'
1995 HOSTCC_O='-o $@'
1996 HOSTLD_O='-o $@'
1997
1998 host_cflags='-O3 -g'
1999 host_cppflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600'
2000 host_libs='-lm'
2001 host_cflags_filter=echo
2002 host_ldflags_filter=echo
2003
2004 target_path='$(CURDIR)'
2005
2006 # since the object filename is not given with the -MM flag, the compiler
2007 # is only able to print the basename, and we must add the path ourselves
2008 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2009 DEPFLAGS='-MM'
2010
2011 # find source path
2012 if test -f configure; then
2013 source_path=.
2014 else
2015 source_path=$(cd $(dirname "$0"); pwd)
2016 echo "$source_path" | grep -q '[[:blank:]]' &&
2017 die "Out of tree builds are impossible with whitespace in source path."
2018 test -e "$source_path/config.h" &&
2019 die "Out of tree builds are impossible with config.h in source dir."
2020 fi
2021
2022 for v in "$@"; do
2023 r=${v#*=}
2024 l=${v%"$r"}
2025 r=$(sh_quote "$r")
2026 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2027 done
2028
2029 find_things(){
2030 thing=$1
2031 pattern=$2
2032 file=$source_path/$3
2033 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2034 }
2035
2036 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2037 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2038 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2039 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2040 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2041 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2042 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2043 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2044 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2045 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2046 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2047
2048 ALL_COMPONENTS="
2049 $BSF_LIST
2050 $DECODER_LIST
2051 $DEMUXER_LIST
2052 $ENCODER_LIST
2053 $FILTER_LIST
2054 $HWACCEL_LIST
2055 $INDEV_LIST
2056 $MUXER_LIST
2057 $OUTDEV_LIST
2058 $PARSER_LIST
2059 $PROTOCOL_LIST
2060 "
2061
2062 for n in $COMPONENT_LIST; do
2063 v=$(toupper ${n%s})_LIST
2064 eval enable \$$v
2065 eval ${n}_if_any="\$$v"
2066 done
2067
2068 enable $ARCH_EXT_LIST
2069
2070 die_unknown(){
2071 echo "Unknown option \"$1\"."
2072 echo "See $0 --help for available options."
2073 exit 1
2074 }
2075
2076 print_3_columns() {
2077 cat | tr ' ' '\n' | sort | pr -r -3 -t
2078 }
2079
2080 show_list() {
2081 suffix=_$1
2082 shift
2083 echo $* | sed s/$suffix//g | print_3_columns
2084 exit 0
2085 }
2086
2087 rand_list(){
2088 IFS=', '
2089 set -- $*
2090 unset IFS
2091 for thing; do
2092 comp=${thing%:*}
2093 prob=${thing#$comp}
2094 prob=${prob#:}
2095 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2096 echo "prob ${prob:-0.5}"
2097 printf '%s\n' $comp
2098 done
2099 }
2100
2101 do_random(){
2102 action=$1
2103 shift
2104 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2105 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2106 }
2107
2108 for opt do
2109 optval="${opt#*=}"
2110 case "$opt" in
2111 --extra-ldflags=*)
2112 add_ldflags $optval
2113 ;;
2114 --extra-libs=*)
2115 add_extralibs $optval
2116 ;;
2117 --disable-devices)
2118 disable $INDEV_LIST $OUTDEV_LIST
2119 ;;
2120 --enable-debug=*)
2121 debuglevel="$optval"
2122 ;;
2123 --disable-programs)
2124 disable $PROGRAM_LIST
2125 ;;
2126 --disable-everything)
2127 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2128 ;;
2129 --disable-all)
2130 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2131 disable $LIBRARY_LIST $PROGRAM_LIST doc
2132 ;;
2133 --enable-random|--disable-random)
2134 action=${opt%%-random}
2135 do_random ${action#--} $COMPONENT_LIST
2136 ;;
2137 --enable-random=*|--disable-random=*)
2138 action=${opt%%-random=*}
2139 do_random ${action#--} $optval
2140 ;;
2141 --enable-*=*|--disable-*=*)
2142 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2143 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2144 eval list=\$$(toupper $thing)_LIST
2145 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2146 $action $(filter "$name" $list)
2147 ;;
2148 --enable-?*|--disable-?*)
2149 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2150 if is_in $option $COMPONENT_LIST; then
2151 test $action = disable && action=unset
2152 eval $action \$$(toupper ${option%s})_LIST
2153 elif is_in $option $CMDLINE_SELECT; then
2154 $action $option
2155 else
2156 die_unknown $opt
2157 fi
2158 ;;
2159 --list-*)
2160 NAME="${opt#--list-}"
2161 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2162 NAME=${NAME%s}
2163 eval show_list $NAME \$$(toupper $NAME)_LIST
2164 ;;
2165 --help|-h) show_help
2166 ;;
2167 *)
2168 optname="${opt%%=*}"
2169 optname="${optname#--}"
2170 optname=$(echo "$optname" | sed 's/-/_/g')
2171 if is_in $optname $CMDLINE_SET; then
2172 eval $optname='$optval'
2173 elif is_in $optname $CMDLINE_APPEND; then
2174 append $optname "$optval"
2175 else
2176 die_unknown $opt
2177 fi
2178 ;;
2179 esac
2180 done
2181
2182 disabled logging && logfile=/dev/null
2183
2184 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2185 set >> $logfile
2186
2187 test -n "$cross_prefix" && enable cross_compile
2188
2189 if enabled cross_compile; then
2190 test -n "$arch" && test -n "$target_os" ||
2191 die "Must specify target arch and OS when cross-compiling"
2192 fi
2193
2194 ar_default="${cross_prefix}${ar_default}"
2195 cc_default="${cross_prefix}${cc_default}"
2196 nm_default="${cross_prefix}${nm_default}"
2197 pkg_config_default="${cross_prefix}${pkg_config_default}"
2198 ranlib="${cross_prefix}${ranlib}"
2199
2200 sysinclude_default="${sysroot}/usr/include"
2201
2202 case "$toolchain" in
2203 clang-asan)
2204 cc_default="clang"
2205 add_cflags -fsanitize=address
2206 add_ldflags -fsanitize=address
2207 ;;
2208 clang-tsan)
2209 cc_default="clang"
2210 add_cflags -fsanitize=thread -pie
2211 add_ldflags -fsanitize=thread -pie
2212 ;;
2213 valgrind-memcheck)
2214 target_exec_default="valgrind"
2215 target_exec_args="--track-origins=yes --leak-check=full"
2216 ;;
2217 msvc)
2218 cc_default="c99wrap cl"
2219 ld_default="c99wrap link"
2220 nm_default="dumpbin -symbols"
2221 ar_default="lib"
2222 target_os_default="win32"
2223 ;;
2224 gcov)
2225 add_cflags -fprofile-arcs -ftest-coverage
2226 add_ldflags -fprofile-arcs -ftest-coverage
2227 ;;
2228 ?*)
2229 die "Unknown toolchain $toolchain"
2230 ;;
2231 esac
2232
2233 set_default arch cc pkg_config sysinclude target_exec target_os
2234 enabled cross_compile || host_cc_default=$cc
2235 set_default host_cc
2236
2237 if ! $pkg_config --version >/dev/null 2>&1; then
2238 warn "$pkg_config not found, library detection may fail."
2239 pkg_config=false
2240 fi
2241
2242 exesuf() {
2243 case $1 in
2244 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2245 esac
2246 }
2247
2248 EXESUF=$(exesuf $target_os)
2249 HOSTEXESUF=$(exesuf $host_os)
2250
2251 # set temporary file name
2252 : ${TMPDIR:=$TEMPDIR}
2253 : ${TMPDIR:=$TMP}
2254 : ${TMPDIR:=/tmp}
2255
2256 if ! check_cmd mktemp -u XXXXXX; then
2257 # simple replacement for missing mktemp
2258 # NOT SAFE FOR GENERAL USE
2259 mktemp(){
2260 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2261 }
2262 fi
2263
2264 tmpfile(){
2265 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2266 (set -C; exec > $tmp) 2>/dev/null ||
2267 die "Unable to create temporary file in $TMPDIR."
2268 append TMPFILES $tmp
2269 eval $1=$tmp
2270 }
2271
2272 trap 'rm -f -- $TMPFILES' EXIT
2273
2274 tmpfile TMPASM .asm
2275 tmpfile TMPC .c
2276 tmpfile TMPE $EXESUF
2277 tmpfile TMPH .h
2278 tmpfile TMPO .o
2279 tmpfile TMPS .S
2280 tmpfile TMPSH .sh
2281 tmpfile TMPV .ver
2282
2283 unset -f mktemp
2284
2285 chmod +x $TMPE
2286
2287 # make sure we can execute files in $TMPDIR
2288 cat > $TMPSH 2>> $logfile <<EOF
2289 #! /bin/sh
2290 EOF
2291 chmod +x $TMPSH >> $logfile 2>&1
2292 if ! $TMPSH >> $logfile 2>&1; then
2293 cat <<EOF
2294 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2295 variable to another directory and make sure that it is not mounted noexec.
2296 EOF
2297 die "Sanity test failed."
2298 fi
2299
2300 ccc_flags(){
2301 for flag; do
2302 case $flag in
2303 -std=c99) echo -c99 ;;
2304 -mcpu=*) echo -arch ${flag#*=} ;;
2305 -mieee) echo -ieee ;;
2306 -O*|-fast) echo $flag ;;
2307 -fno-math-errno) echo -assume nomath_errno ;;
2308 -g) echo -g3 ;;
2309 -Wall) echo -msg_enable level2 ;;
2310 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2311 -Wl,*) echo $flag ;;
2312 -f*|-W*) ;;
2313 *) echo $flag ;;
2314 esac
2315 done
2316 }
2317
2318 msvc_flags(){
2319 for flag; do
2320 case $flag in
2321 -fomit-frame-pointer) echo -Oy ;;
2322 -g) echo -Z7 ;;
2323 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2324 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2325 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2326 -wd4996 -wd4273 ;;
2327 -std=c99) ;;
2328 -fno-math-errno) ;;
2329 -fno-common) ;;
2330 -fno-signed-zeros) ;;
2331 -fPIC) ;;
2332 -lz) echo zlib.lib ;;
2333 -lavifil32) echo vfw32.lib ;;
2334 -lavicap32) echo vfw32.lib user32.lib ;;
2335 -l*) echo ${flag#-l}.lib ;;
2336 *) echo $flag ;;
2337 esac
2338 done
2339 }
2340
2341 pgi_flags(){
2342 for flag; do
2343 case $flag in
2344 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2345 -fomit-frame-pointer) echo -Mnoframe ;;
2346 -g) echo -gopt ;;
2347 *) echo $flag ;;
2348 esac
2349 done
2350 }
2351
2352 suncc_flags(){
2353 for flag; do
2354 case $flag in
2355 -march=*|-mcpu=*)
2356 case "${flag#*=}" in
2357 native) echo -xtarget=native ;;
2358 v9|niagara) echo -xarch=sparc ;;
2359 ultrasparc) echo -xarch=sparcvis ;;
2360 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2361 i586|pentium) echo -xchip=pentium ;;
2362 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2363 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2364 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2365 pentium4*) echo -xtarget=pentium4 ;;
2366 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2367 *-sse3) echo -xarch=sse3 ;;
2368 core2) echo -xarch=ssse3 -xchip=core2 ;;
2369 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2370 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2371 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
2372 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2373 k8|opteron|athlon64|athlon-fx)
2374 echo -xarch=sse2a ;;
2375 athlon*) echo -xarch=pentium_proa ;;
2376 esac
2377 ;;
2378 -std=c99) echo -xc99 ;;
2379 -fomit-frame-pointer) echo -xregs=frameptr ;;
2380 -fPIC) echo -KPIC -xcode=pic32 ;;
2381 -W*,*) echo $flag ;;
2382 -f*-*|-W*|-mimpure-text) ;;
2383 -shared) echo -G ;;
2384 *) echo $flag ;;
2385 esac
2386 done
2387 }
2388
2389 tms470_flags(){
2390 for flag; do
2391 case $flag in
2392 -march=*|-mcpu=*)
2393 case "${flag#*=}" in
2394 armv7-a|cortex-a*) echo -mv=7a8 ;;
2395 armv7-r|cortex-r*) echo -mv=7r4 ;;
2396 armv7-m|cortex-m*) echo -mv=7m3 ;;
2397 armv6*|arm11*) echo -mv=6 ;;
2398 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2399 echo -mv=5e ;;
2400 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2401 esac
2402 ;;
2403 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2404 -mfpu=vfp) echo --float_support=vfpv2 ;;
2405 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2406 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
2407 -msoft-float) echo --float_support=vfplib ;;
2408 -O[0-3]|-mf=*) echo $flag ;;
2409 -g) echo -g -mn ;;
2410 -pds=*) echo $flag ;;
2411 -D*|-I*) echo $flag ;;
2412 --gcc|--abi=*) echo $flag ;;
2413 -me) echo $flag ;;
2414 esac
2415 done
2416 }
2417
2418 probe_cc(){
2419 pfx=$1
2420 _cc=$2
2421
2422 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2423 unset _ld_o _ldflags _ld_lib _ld_path
2424 unset _depflags _DEPCMD _DEPFLAGS
2425 _flags_filter=echo
2426
2427 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2428 _type=llvm_gcc
2429 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2430 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2431 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2432 _cflags_speed='-O3'
2433 _cflags_size='-Os'
2434 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2435 _type=gcc
2436 gcc_version=$($_cc --version | head -n1)
2437 gcc_basever=$($_cc -dumpversion)
2438 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2439 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2440 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2441 if ! $_cc -dumpversion | grep -q '^2\.'; then
2442 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2443 fi
2444 _cflags_speed='-O3'
2445 _cflags_size='-Os'
2446 elif $_cc --version 2>/dev/null | grep -q ^icc; then
2447 _type=icc
2448 _ident=$($_cc --version | head -n1)
2449 _depflags='-MMD'
2450 _cflags_speed='-O3'
2451 _cflags_size='-Os'
2452 _cflags_noopt='-O1'
2453 elif $_cc -v 2>&1 | grep -q xlc; then
2454 _type=xlc
2455 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2456 _cflags_speed='-O5'
2457 _cflags_size='-O5 -qcompact'
2458 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2459 _type=ccc
2460 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2461 _DEPFLAGS='-M'
2462 _cflags_speed='-fast'
2463 _cflags_size='-O1'
2464 _flags_filter=ccc_flags
2465 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2466 test -d "$sysroot" || die "No valid sysroot specified."
2467 _type=armcc
2468 _ident=$($_cc --vsn | head -n1)
2469 armcc_conf="$PWD/armcc.conf"
2470 $_cc --arm_linux_configure \
2471 --arm_linux_config_file="$armcc_conf" \
2472 --configure_sysroot="$sysroot" \
2473 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2474 die "Error creating armcc configuration file."
2475 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2476 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2477 as_default="${cross_prefix}gcc"
2478 _depflags='-MMD'
2479 _cflags_speed='-O3'
2480 _cflags_size='-Os'
2481 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2482 _type=tms470
2483 _ident=$($_cc -version | head -n1 | tr -s ' ')
2484 _flags='--gcc --abi=eabi -me'
2485 _cc_e='-ppl -fe=$@'
2486 _cc_o='-fe=$@'
2487 _depflags='-ppa -ppd=$(@:.o=.d)'
2488 _cflags_speed='-O3 -mf=5'
2489 _cflags_size='-O3 -mf=2'
2490 _flags_filter=tms470_flags
2491 elif $_cc -v 2>&1 | grep -q clang; then
2492 _type=clang
2493 _ident=$($_cc --version | head -n1)
2494 _depflags='-MMD'
2495 _cflags_speed='-O3'
2496 _cflags_size='-Os'
2497 elif $_cc -V 2>&1 | grep -q Sun; then
2498 _type=suncc
2499 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2500 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2501 _DEPFLAGS='-xM1 -xc99'
2502 _ldflags='-std=c99'
2503 _cflags_speed='-O5'
2504 _cflags_size='-O5 -xspace'
2505 _flags_filter=suncc_flags
2506 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2507 _type=pathscale
2508 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2509 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2510 _cflags_speed='-O2'
2511 _cflags_size='-Os'
2512 _flags_filter='filter_out -Wdisabled-optimization'
2513 elif $_cc -v 2>&1 | grep -q Open64; then
2514 _type=open64
2515 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2516 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2517 _cflags_speed='-O2'
2518 _cflags_size='-Os'
2519 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2520 elif $_cc -V 2>&1 | grep -q Portland; then
2521 _type=pgi
2522 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2523 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
2524 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2525 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2526 _cflags_noopt="-O1"
2527 _flags_filter=pgi_flags
2528 elif $_cc 2>&1 | grep -q Microsoft; then
2529 _type=msvc
2530 _ident=$($cc 2>&1 | head -n1)
2531 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2532 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2533 _cflags_speed="-O2"
2534 _cflags_size="-O1"
2535 # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
2536 if $_cc 2>&1 | grep -q Linker; then
2537 _ld_o='-out $@'
2538 else
2539 _ld_o='-Fe$@'
2540 fi
2541 _cc_o='-Fo $@'
2542 _cc_e='-P -Fi $@'
2543 _flags_filter=msvc_flags
2544 _ld_lib='lib%.a'
2545 _ld_path='-libpath:'
2546 _flags='-nologo'
2547 _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2548 if [ $pfx = hostcc ]; then
2549 append _cflags -Dsnprintf=_snprintf
2550 fi
2551 fi
2552
2553 eval ${pfx}_type=\$_type
2554 eval ${pfx}_ident=\$_ident
2555 }
2556
2557 set_ccvars(){
2558 eval ${1}_C=\${_cc_c-\${${1}_C}}
2559 eval ${1}_E=\${_cc_e-\${${1}_E}}
2560 eval ${1}_O=\${_cc_o-\${${1}_O}}
2561
2562 if [ -n "$_depflags" ]; then
2563 eval ${1}_DEPFLAGS=\$_depflags
2564 else
2565 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2566 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2567 eval DEP${1}FLAGS=\$_flags
2568 fi
2569 }
2570
2571 probe_cc cc "$cc"
2572 cflags_filter=$_flags_filter
2573 cflags_speed=$_cflags_speed
2574 cflags_size=$_cflags_size
2575 cflags_noopt=$_cflags_noopt
2576 add_cflags $_flags $_cflags
2577 cc_ldflags=$_ldflags
2578 set_ccvars CC
2579
2580 probe_cc hostcc "$host_cc"
2581 host_cflags_filter=$_flags_filter
2582 add_host_cflags $_flags $_cflags
2583 set_ccvars HOSTCC
2584
2585 test -n "$cc_type" && enable $cc_type ||
2586 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2587
2588 : ${as_default:=$cc}
2589 : ${dep_cc_default:=$cc}
2590 : ${ld_default:=$cc}
2591 : ${host_ld_default:=$host_cc}
2592 set_default ar as dep_cc ld host_ld
2593
2594 probe_cc as "$as"
2595 asflags_filter=$_flags_filter
2596 add_asflags $_flags $_cflags
2597 set_ccvars AS
2598
2599 probe_cc ld "$ld"
2600 ldflags_filter=$_flags_filter
2601 add_ldflags $_flags $_ldflags
2602 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2603 LD_O=${_ld_o-$LD_O}
2604 LD_LIB=${_ld_lib-$LD_LIB}
2605 LD_PATH=${_ld_path-$LD_PATH}
2606
2607 probe_cc hostld "$host_ld"
2608 host_ldflags_filter=$_flags_filter
2609 add_host_ldflags $_flags $_ldflags
2610 HOSTLD_O=${_ld_o-$HOSTLD_O}
2611
2612 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2613 probe_cc depcc "$dep_cc"
2614 CCDEP=${_DEPCMD:-$DEPCMD}
2615 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2616 DEPCCFLAGS=$_flags
2617 fi
2618
2619 if $ar 2>&1 | grep -q Microsoft; then
2620 arflags="-nologo"
2621 ar_o='-out:$@'
2622 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2623 arflags="rq"
2624 ar_o='$@'
2625 else
2626 arflags="rc"
2627 ar_o='$@'
2628 fi
2629
2630 add_cflags $extra_cflags
2631 add_asflags $extra_cflags
2632
2633 if test -n "$sysroot"; then
2634 case "$cc_type" in
2635 gcc|llvm_gcc|clang)
2636 add_cppflags --sysroot="$sysroot"
2637 add_ldflags --sysroot="$sysroot"
2638 ;;
2639 tms470)
2640 add_cppflags -I"$sysinclude"
2641 add_ldflags --sysroot="$sysroot"
2642 ;;
2643 esac
2644 fi
2645
2646 if test "$cpu" = host; then
2647 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2648
2649 case "$cc_type" in
2650 gcc|llvm_gcc)
2651 check_native(){
2652 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2653 sed -n "/cc1.*$1=/{
2654 s/.*$1=\\([^ ]*\\).*/\\1/
2655 p
2656 q
2657 }" $TMPE
2658 }
2659 cpu=$(check_native -march || check_native -mcpu)
2660 ;;
2661 esac
2662
2663 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2664 fi
2665
2666 # Deal with common $arch aliases
2667 case "$arch" in
2668 aarch64|arm64)
2669 arch="aarch64"
2670 ;;
2671 arm*)
2672 arch="arm"
2673 ;;
2674 mips*|IP*)
2675 arch="mips"
2676 ;;
2677 parisc*|hppa*)
2678 arch="parisc"
2679 ;;
2680 "Power Macintosh"|ppc*|powerpc*)
2681 arch="ppc"
2682 ;;
2683 s390|s390x)
2684 arch="s390"
2685 ;;
2686 sh4|sh)
2687 arch="sh4"
2688 ;;
2689 sun4u|sparc*)
2690 arch="sparc"
2691 ;;
2692 tilegx|tile-gx)
2693 arch="tilegx"
2694 ;;
2695 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2696 arch="x86"
2697 ;;
2698 esac
2699
2700 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2701 enable $arch
2702
2703 # Add processor-specific flags
2704 if enabled aarch64; then
2705
2706 case $cpu in
2707 armv*)
2708 cpuflags="-march=$cpu"
2709 ;;
2710 *)
2711 cpuflags="-mcpu=$cpu"
2712 ;;
2713 esac
2714
2715 elif enabled alpha; then
2716
2717 cpuflags="-mcpu=$cpu"
2718
2719 elif enabled arm; then
2720
2721 check_arm_arch() {
2722 check_cpp_condition stddef.h \
2723 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
2724 $cpuflags
2725 }
2726
2727 probe_arm_arch() {
2728 if check_arm_arch 4; then echo armv4;
2729 elif check_arm_arch 4T; then echo armv4t;
2730 elif check_arm_arch 5; then echo armv5;
2731 elif check_arm_arch 5E; then echo armv5e;
2732 elif check_arm_arch 5T; then echo armv5t;
2733 elif check_arm_arch 5TE; then echo armv5te;
2734 elif check_arm_arch 5TEJ; then echo armv5te;
2735 elif check_arm_arch 6; then echo armv6;
2736 elif check_arm_arch 6J; then echo armv6j;
2737 elif check_arm_arch 6K; then echo armv6k;
2738 elif check_arm_arch 6Z; then echo armv6z;
2739 elif check_arm_arch 6ZK; then echo armv6zk;
2740 elif check_arm_arch 6T2; then echo armv6t2;
2741 elif check_arm_arch 7; then echo armv7;
2742 elif check_arm_arch 7A 7_A; then echo armv7-a;
2743 elif check_arm_arch 7R 7_R; then echo armv7-r;
2744 elif check_arm_arch 7M 7_M; then echo armv7-m;
2745 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
2746 elif check_arm_arch 8A 8_A; then echo armv8-a;
2747 fi
2748 }
2749
2750 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
2751
2752 case $cpu in
2753 armv*)
2754 cpuflags="-march=$cpu"
2755 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2756 ;;
2757 *)
2758 cpuflags="-mcpu=$cpu"
2759 case $cpu in
2760 cortex-a*) subarch=armv7a ;;
2761 cortex-r*) subarch=armv7r ;;
2762 cortex-m*) enable thumb; subarch=armv7m ;;
2763 arm11*) subarch=armv6 ;;
2764 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2765 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2766 *) subarch=$(probe_arm_arch) ;;
2767 esac
2768 ;;
2769 esac
2770
2771 case "$subarch" in
2772 armv5t*) enable fast_clz ;;
2773 armv[6-8]*) enable fast_clz fast_unaligned ;;
2774 esac
2775
2776 elif enabled avr32; then
2777
2778 case $cpu in
2779 ap7[02]0[0-2])
2780 subarch="avr32_ap"
2781 cpuflags="-mpart=$cpu"
2782 ;;
2783 ap)
2784 subarch="avr32_ap"
2785 cpuflags="-march=$cpu"
2786 ;;
2787 uc3[ab]*)
2788 subarch="avr32_uc"
2789 cpuflags="-mcpu=$cpu"
2790 ;;
2791 uc)
2792 subarch="avr32_uc"
2793 cpuflags="-march=$cpu"
2794 ;;
2795 esac
2796
2797 elif enabled bfin; then
2798
2799 cpuflags="-mcpu=$cpu"
2800
2801 elif enabled mips; then
2802
2803 cpuflags="-march=$cpu"
2804
2805 elif enabled ppc; then
2806
2807 case $(tolower $cpu) in
2808 601|ppc601|powerpc601)
2809 cpuflags="-mcpu=601"
2810 disable altivec
2811 ;;
2812 603*|ppc603*|powerpc603*)
2813 cpuflags="-mcpu=603"
2814 disable altivec
2815 ;;
2816 604*|ppc604*|powerpc604*)
2817 cpuflags="-mcpu=604"
2818 disable altivec
2819 ;;
2820 g3|75*|ppc75*|powerpc75*)
2821 cpuflags="-mcpu=750"
2822 disable altivec
2823 ;;
2824 g4|745*|ppc745*|powerpc745*)
2825 cpuflags="-mcpu=7450"
2826 ;;
2827 74*|ppc74*|powerpc74*)
2828 cpuflags="-mcpu=7400"
2829 ;;
2830 g5|970|ppc970|powerpc970)
2831 cpuflags="-mcpu=970"
2832 ;;
2833 power[3-7]*)
2834 cpuflags="-mcpu=$cpu"
2835 ;;
2836 cell)
2837 cpuflags="-mcpu=cell"
2838 enable ldbrx
2839 ;;
2840 e500mc)
2841 cpuflags="-mcpu=e500mc"
2842 disable altivec
2843 ;;
2844 e500v2)
2845 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2846 disable altivec
2847 ;;
2848 e500)
2849 cpuflags="-mcpu=8540 -mhard-float"
2850 disable altivec
2851 ;;
2852 esac
2853
2854 elif enabled sparc; then
2855
2856 case $cpu in
2857 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
2858 cpuflags="-mcpu=$cpu"
2859 disable vis
2860 ;;
2861 ultrasparc*|niagara[234])
2862 cpuflags="-mcpu=$cpu"
2863 ;;
2864 esac
2865
2866 elif enabled x86; then
2867
2868 case $cpu in
2869 i[345]86|pentium)
2870 cpuflags="-march=$cpu"
2871 disable mmx
2872 ;;
2873 # targets that do NOT support conditional mov (cmov)
2874 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2875 cpuflags="-march=$cpu"
2876 disable cmov
2877 ;;
2878 # targets that do support conditional mov (cmov)
2879 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
2880 cpuflags="-march=$cpu"
2881 enable cmov
2882 enable fast_cmov
2883 ;;
2884 # targets that do support conditional mov but on which it's slow
2885 pentium4|pentium4m|prescott|nocona)
2886 cpuflags="-march=$cpu"
2887 enable cmov
2888 disable fast_cmov
2889 ;;
2890 esac
2891
2892 fi
2893
2894 if [ "$cpu" != generic ]; then
2895 add_cflags $cpuflags
2896 add_asflags $cpuflags
2897 fi
2898
2899 # compiler sanity check
2900 check_exec <<EOF
2901 int main(void){ return 0; }
2902 EOF
2903 if test "$?" != 0; then
2904 echo "$cc is unable to create an executable file."
2905 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2906 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2907 echo "Only do this if you know what cross compiling means."
2908 fi
2909 die "C compiler test failed."
2910 fi
2911
2912 add_cppflags -D_ISOC99_SOURCE
2913 check_cflags -std=c99
2914 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2915 #include <stdlib.h>
2916 EOF
2917 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2918 #include <stdlib.h>
2919 EOF
2920
2921 check_host_cflags -std=c99
2922 check_host_cflags -Wall
2923
2924 check_64bit(){
2925 arch32=$1
2926 arch64=$2
2927 expr=$3
2928 check_code cc "" "int test[2*($expr) - 1]" &&
2929 subarch=$arch64 || subarch=$arch32
2930 }
2931
2932 case "$arch" in
2933 aarch64|alpha|ia64)
2934 spic=$shared
2935 ;;
2936 mips)
2937 check_64bit mips mips64 '_MIPS_SIM > 1'
2938 spic=$shared
2939 ;;
2940 parisc)
2941 check_64bit parisc parisc64 'sizeof(void *) > 4'
2942 spic=$shared
2943 ;;
2944 ppc)
2945 check_64bit ppc ppc64 'sizeof(void *) > 4'
2946 spic=$shared
2947 ;;
2948 sparc)
2949 check_64bit sparc sparc64 'sizeof(void *) > 4'
2950 spic=$shared
2951 ;;
2952 x86)
2953 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
2954 if test "$subarch" = "x86_64"; then
2955 spic=$shared
2956 fi
2957 ;;
2958 esac
2959
2960 enable $subarch
2961 enabled spic && enable pic
2962
2963 # OS specific
2964 case $target_os in
2965 haiku)
2966 prefix_default="/boot/common"
2967 network_extralibs="-lnetwork"
2968 host_libs=
2969 ;;
2970 sunos)
2971 AVSERVERLDFLAGS=""
2972 SHFLAGS='-shared -Wl,-h,$$(@F)'
2973 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2974 network_extralibs="-lsocket -lnsl"
2975 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
2976 # When using suncc to build, the Solaris linker will mark
2977 # an executable with each instruction set encountered by
2978 # the Solaris assembler. As our libraries contain their own
2979 # guards for processor-specific code, instead suppress
2980 # generation of the HWCAPS ELF section on Solaris x86 only.
2981 enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2982 nm_default='nm -P -g'
2983 ;;
2984 netbsd)
2985 disable symver
2986 oss_indev_extralibs="-lossaudio"
2987 oss_outdev_extralibs="-lossaudio"
2988 ;;
2989 openbsd|bitrig)
2990 disable symver
2991 SHFLAGS='-shared'
2992 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
2993 SLIB_INSTALL_LINKS=
2994 oss_indev_extralibs="-lossaudio"
2995 oss_outdev_extralibs="-lossaudio"
2996 ;;
2997 dragonfly)
2998 disable symver
2999 ;;
3000 freebsd)
3001 ;;
3002 bsd/os)
3003 add_extralibs -lpoll -lgnugetopt
3004 ;;
3005 darwin)
3006 gas="gas-preprocessor.pl $cc"
3007 enabled ppc && add_asflags -force_cpusubtype_ALL
3008 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3009 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3010 add_ldflags -Wl,-dynamic,-search_paths_first
3011 SLIBSUF=".dylib"
3012 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3013 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3014 AVSERVERLDFLAGS=-Wl,-bind_at_load
3015 objformat="macho"
3016 enabled x86_64 && objformat="macho64"
3017 enabled_any pic shared ||
3018 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3019 ;;
3020 mingw32*)
3021 if test $target_os = "mingw32ce"; then
3022 disable network
3023 else
3024 target_os=mingw32
3025 fi
3026 LIBTARGET=i386
3027 if enabled x86_64; then
3028 LIBTARGET="i386:x86-64"
3029 elif enabled arm; then
3030 LIBTARGET=arm-wince
3031 fi
3032 shlibdir_default="$bindir_default"
3033 SLIBPREF=""
3034 SLIBSUF=".dll"
3035 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3036 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3037 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3038 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3039 SLIB_INSTALL_LINKS=
3040 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3041 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3042 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3043 objformat="win32"
3044 dlltool="${cross_prefix}dlltool"
3045 ranlib=:
3046 enable dos_paths
3047 ;;
3048 win32|win64)
3049 if enabled shared; then
3050 # Link to the import library instead of the normal static library
3051 # for shared libs.
3052 LD_LIB='%.lib'
3053 # Cannot build shared and static libraries at the same time with
3054 # MSVC.
3055 disable static
3056 fi
3057 shlibdir_default="$bindir_default"
3058 SLIBPREF=""
3059 SLIBSUF=".dll"
3060 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3061 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3062 SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3063 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3064 SLIB_INSTALL_LINKS=
3065 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3066 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3067 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3068 objformat="win32"
3069 ranlib=:
3070 enable dos_paths
3071 ;;
3072 cygwin*)
3073 target_os=cygwin
3074 shlibdir_default="$bindir_default"
3075 SLIBPREF="cyg"
3076 SLIBSUF=".dll"
3077 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3078 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3079 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3080 SLIB_INSTALL_LINKS=
3081 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3082 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3083 objformat="win32"
3084 enable dos_paths
3085 ;;
3086 *-dos|freedos|opendos)
3087 network_extralibs="-lsocket"
3088 objformat="coff"
3089 enable dos_paths
3090 add_cppflags -U__STRICT_ANSI__
3091 ;;
3092 linux)
3093 enable dv1394
3094 ;;
3095 irix*)
3096 target_os=irix
3097 ranlib="echo ignoring ranlib"
3098 ;;
3099 os/2*)
3100 ln_s="cp -f"
3101 objformat="aout"
3102 add_cppflags -D_GNU_SOURCE
3103 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3104 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3105 AVSERVERLDFLAGS=""
3106 LIBSUF="_s.a"
3107 SLIBPREF=""
3108 SLIBSUF=".dll"
3109 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3110 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3111 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3112 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3113 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3114 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3115 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3116 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3117 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3118 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3119 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3120 enable dos_paths
3121 ;;
3122 gnu/kfreebsd)
3123 add_cppflags -D_BSD_SOURCE
3124 ;;
3125 gnu)
3126 ;;
3127 qnx)
3128 add_cppflags -D_QNX_SOURCE
3129 network_extralibs="-lsocket"
3130 ;;
3131 symbian)
3132 SLIBSUF=".dll"
3133 enable dos_paths
3134 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3135 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3136 add_ldflags -Wl,--target1-abs,--no-undefined \
3137 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3138 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3139 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3140 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3141 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3142 ;;
3143 osf1)
3144 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3145 AVSERVERLDFLAGS=
3146 ;;
3147 minix)
3148 ;;
3149 plan9)
3150 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3151 -D_REENTRANT_SOURCE \
3152 -D_RESEARCH_SOURCE \
3153 -DFD_SETSIZE=96 \
3154 -DHAVE_SOCK_OPTS
3155 add_compat strtod.o strtod=avpriv_strtod
3156 network_extralibs='-lbsd'
3157 exeobjs=compat/plan9/main.o
3158 disable avserver
3159 cp_f='cp'
3160 ;;
3161 none)
3162 ;;
3163 *)
3164 die "Unknown OS '$target_os'."
3165 ;;
3166 esac
3167
3168 # determine libc flavour
3169
3170 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3171 if check_cpp_condition features.h "defined __UCLIBC__"; then
3172 libc_type=uclibc
3173 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3174 elif check_cpp_condition features.h "defined __GLIBC__"; then
3175 libc_type=glibc
3176 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3177 # MinGW headers can be installed on Cygwin, so check for newlib first.
3178 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3179 libc_type=newlib
3180 add_cppflags -U__STRICT_ANSI__
3181 elif check_header _mingw.h; then
3182 libc_type=mingw
3183 check_cpp_condition _mingw.h \
3184 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3185 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3186 die "ERROR: MinGW runtime version must be >= 3.15."
3187 add_cppflags -U__STRICT_ANSI__
3188 elif check_func_headers stdlib.h _get_doserrno; then
3189 libc_type=msvcrt
3190 add_compat strtod.o strtod=avpriv_strtod
3191 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3192 _snprintf=avpriv_snprintf \
3193 vsnprintf=avpriv_vsnprintf
3194 elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3195 libc_type=klibc
3196 fi
3197
3198 test -n "$libc_type" && enable $libc_type
3199
3200 # hacks for compiler/libc/os combinations
3201
3202 if enabled_all tms470 glibc; then
3203 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3204 add_cppflags -D__USER_LABEL_PREFIX__=
3205 add_cppflags -D__builtin_memset=memset
3206 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3207 add_cflags -pds=48 # incompatible redefinition of macro
3208 fi
3209
3210 if enabled_all ccc glibc; then
3211 add_ldflags -Wl,-z,now # calls to libots crash without this
3212 fi
3213
3214 esc(){
3215 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3216 }
3217
3218 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
3219
3220 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
3221
3222 set_default $PATHS_LIST
3223 set_default nm
3224
3225 # we need to build at least one lib type
3226 if ! enabled_any static shared; then
3227 cat <<EOF
3228 At least one library type must be built.
3229 Specify --enable-static to build the static libraries or --enable-shared to
3230 build the shared libraries as well. To only build the shared libraries specify
3231 --disable-static in addition to --enable-shared.
3232 EOF
3233 exit 1;
3234 fi
3235
3236 die_license_disabled() {
3237 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3238 }
3239
3240 die_license_disabled gpl libcdio
3241 die_license_disabled gpl libx264
3242 die_license_disabled gpl libxavs
3243 die_license_disabled gpl libxvid
3244 die_license_disabled gpl x11grab
3245
3246 die_license_disabled nonfree libfaac
3247 die_license_disabled nonfree libfdk_aac
3248 die_license_disabled nonfree openssl
3249
3250 die_license_disabled version3 libopencore_amrnb
3251 die_license_disabled version3 libopencore_amrwb
3252 die_license_disabled version3 libvo_aacenc
3253 die_license_disabled version3 libvo_amrwbenc
3254
3255 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3256
3257 disabled optimizations || check_cflags -fomit-frame-pointer
3258
3259 enable_pic() {
3260 enable pic
3261 add_cppflags -DPIC
3262 add_cflags -fPIC
3263 add_asflags -fPIC
3264 }
3265
3266 enabled pic && enable_pic
3267
3268 check_cc <<EOF || die "Symbol mangling check failed."
3269 int ff_extern;
3270 EOF
3271 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3272 extern_prefix=${sym%%ff_extern*}
3273
3274 check_cc <<EOF && enable_weak inline_asm
3275 void foo(void) { __asm__ volatile ("" ::); }
3276 EOF
3277
3278 _restrict=
3279 for restrict_keyword in restrict __restrict__ __restrict; do
3280 check_cc <<EOF && _restrict=$restrict_keyword && break
3281 void foo(char * $restrict_keyword p);
3282 EOF
3283 done
3284
3285 check_cc <<EOF && enable attribute_packed
3286 struct { int x; } __attribute__((packed)) x;
3287 EOF
3288
3289 check_cc <<EOF && enable attribute_may_alias
3290 union { int x; } __attribute__((may_alias)) x;
3291 EOF
3292
3293 check_cc <<EOF || die "endian test failed"
3294 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3295 EOF
3296 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3297
3298 if enabled alpha; then
3299
3300 check_cflags -mieee
3301
3302 elif enabled arm; then
3303
3304 check_cpp_condition stddef.h "defined __thumb__" && enable_weak thumb
3305 enabled thumb && check_cflags -mthumb || check_cflags -marm
3306 nogas=die
3307
3308 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3309 enable vfp_args
3310 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3311 case "${cross_prefix:-$cc}" in
3312 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3313 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3314 __asm__ (".eabi_attribute 28, 1");
3315 int main(void) { return 0; }
3316 EOF
3317 esac
3318 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3319 fi
3320
3321 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
3322 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
3323 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
3324 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
3325 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
3326 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
3327
3328 [ $target_os = linux ] ||
3329 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
3330 $ARCH_EXT_LIST_ARM
3331
3332 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3333 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3334
3335 enabled_all armv6t2 shared !pic && enable_pic
3336
3337 elif enabled mips; then
3338
3339 check_inline_asm loongson '"dmult.g $1, $2, $3"'
3340
3341 elif enabled parisc; then
3342
3343 if enabled gcc; then
3344 case $($cc -dumpversion) in
3345 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
3346 esac
3347 fi
3348
3349 elif enabled ppc; then
3350
3351 enable local_aligned_8 local_aligned_16
3352
3353 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
3354 check_inline_asm ibm_asm '"add 0, 0, 0"'
3355 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
3356 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3357
3358 # AltiVec flags: The FSF version of GCC differs from the Apple version
3359 if enabled altivec; then
3360 nogas=warn
3361 check_cflags -maltivec -mabi=altivec &&
3362 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3363 check_cflags -faltivec
3364
3365 # check if our compiler supports Motorola AltiVec C API
3366 check_cc <<EOF || disable altivec
3367 $inc_altivec_h
3368 int main(void) {
3369 vector signed int v1 = (vector signed int) { 0 };
3370 vector signed int v2 = (vector signed int) { 1 };
3371 v1 = vec_add(v1, v2);
3372 return 0;
3373 }
3374 EOF
3375
3376 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
3377 fi
3378
3379 elif enabled sparc; then
3380
3381 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
3382
3383 elif enabled x86; then
3384
3385 check_builtin rdtsc intrin.h "__rdtsc()"
3386 check_builtin mm_empty mmintrin.h "_mm_empty()"
3387
3388 enable local_aligned_8 local_aligned_16
3389
3390 # check whether EBP is available on x86
3391 # As 'i' is stored on the stack, this program will crash
3392 # if the base pointer is used to access it because the
3393 # base pointer is cleared in the inline assembly code.
3394 check_exec_crash <<EOF && enable ebp_available
3395 volatile int i=0;
3396 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3397 return i;
3398 EOF
3399
3400 # check whether EBX is available on x86
3401 check_inline_asm ebx_available '""::"b"(0)' &&
3402 check_inline_asm ebx_available '"":::"%ebx"'
3403
3404 # check whether xmm clobbers are supported
3405 check_inline_asm xmm_clobbers '"":::"%xmm0"'
3406
3407 # check whether binutils is new enough to compile SSSE3/MMXEXT
3408 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
3409 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
3410
3411 if ! disabled_any asm mmx yasm; then
3412 if check_cmd $yasmexe --version; then
3413 enabled x86_64 && yasm_extra="-m amd64"
3414 yasm_debug="-g dwarf2"
3415 elif check_cmd nasm -v; then
3416 yasmexe=nasm
3417 yasm_debug="-g -F dwarf"
3418 enabled x86_64 && test "$objformat" = elf && objformat=elf64
3419 fi
3420
3421 YASMFLAGS="-f $objformat $yasm_extra"
3422 enabled pic && append YASMFLAGS "-DPIC"
3423 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
3424 case "$objformat" in
3425 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3426 esac
3427
3428 check_yasm "vextractf128 xmm0, ymm0, 0" && enable yasm ||
3429 die "yasm not found, use --disable-yasm for a crippled build"
3430 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
3431 check_yasm "CPU amdnop" && enable cpunop
3432 fi
3433
3434 case "$cpu" in
3435 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3436 disable fast_clz
3437 ;;
3438 esac
3439
3440 fi
3441
3442 if enabled asm; then
3443 as=${gas:=$as}
3444 check_as <<EOF && enable gnu_as || \
3445 $nogas "GNU assembler not found, install gas-preprocessor"
3446 .macro m n
3447 \n: .int 0
3448 .endm
3449 m x
3450 EOF
3451 fi
3452
3453 check_ldflags -Wl,--as-needed
3454
3455 if check_func dlopen; then
3456 ldl=
3457 elif check_func dlopen -ldl; then
3458 ldl=-ldl
3459 fi
3460
3461 if ! disabled network; then
3462 check_type "sys/types.h sys/socket.h" socklen_t
3463 check_type netdb.h "struct addrinfo"
3464 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3465 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
3466 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3467 check_type netinet/in.h "struct sockaddr_in6"
3468 check_type poll.h "struct pollfd"
3469 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3470 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3471 check_type netinet/sctp.h "struct sctp_event_subscribe"
3472 check_func getaddrinfo $network_extralibs
3473 check_func getservbyport $network_extralibs
3474 # Prefer arpa/inet.h over winsock2
3475 if check_header arpa/inet.h ; then
3476 check_func closesocket
3477 elif check_header winsock2.h ; then
3478 check_func_headers winsock2.h closesocket -lws2 &&
3479 network_extralibs="-lws2" ||
3480 { check_func_headers winsock2.h closesocket -lws2_32 &&
3481 network_extralibs="-lws2_32"; }
3482 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
3483 check_type ws2tcpip.h socklen_t
3484 check_type ws2tcpip.h "struct addrinfo"
3485 check_type ws2tcpip.h "struct group_source_req"
3486 check_type ws2tcpip.h "struct ip_mreq_source"
3487 check_type ws2tcpip.h "struct ipv6_mreq"
3488 check_type winsock2.h "struct pollfd"
3489 check_type ws2tcpip.h "struct sockaddr_in6"
3490 check_type ws2tcpip.h "struct sockaddr_storage"
3491 check_struct winsock2.h "struct sockaddr" sa_len
3492 else
3493 disable network
3494 fi
3495 fi
3496
3497 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3498 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3499
3500 check_func fcntl
3501 check_func fork
3502 check_func_headers stdlib.h getenv
3503 check_func gethrtime
3504 check_func getopt
3505 check_func getrusage
3506 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3507 check_func gettimeofday
3508 check_func inet_aton $network_extralibs
3509 check_func isatty
3510 check_func localtime_r
3511 check_func ${malloc_prefix}memalign && enable memalign
3512 check_func mkstemp
3513 check_func mmap
3514 check_func mprotect
3515 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
3516 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
3517 check_func setrlimit
3518 check_func strerror_r
3519 check_func strptime
3520 check_func strtok_r
3521 check_func sched_getaffinity
3522 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
3523 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
3524 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
3525 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
3526 check_func sysconf
3527 check_func sysctl
3528 check_func usleep
3529 check_func_headers io.h setmode
3530 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
3531 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
3532 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3533 check_func_headers windows.h GetProcessAffinityMask
3534 check_func_headers windows.h GetProcessTimes
3535 check_func_headers windows.h GetSystemTimeAsFileTime
3536 check_func_headers windows.h MapViewOfFile
3537 check_func_headers windows.h SetConsoleTextAttribute
3538 check_func_headers windows.h Sleep
3539 check_func_headers windows.h VirtualAlloc
3540
3541 check_header direct.h
3542 check_header dlfcn.h
3543 check_header dxva.h
3544 check_header dxva2api.h
3545 check_header io.h
3546 check_header malloc.h
3547 check_header poll.h
3548 check_header sys/mman.h
3549 check_header sys/param.h
3550 check_header sys/resource.h
3551 check_header sys/select.h
3552 check_header sys/time.h
3553 check_header unistd.h
3554 check_header vdpau/vdpau.h
3555 check_header vdpau/vdpau_x11.h
3556 check_header VideoDecodeAcceleration/VDADecoder.h
3557 check_header windows.h
3558 check_header X11/extensions/XvMClib.h
3559
3560 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
3561 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3562
3563 if ! disabled w32threads && ! enabled pthreads; then
3564 check_func_headers "windows.h process.h" _beginthreadex && enable w32threads
3565 fi
3566
3567 # check for some common methods of building with pthread support
3568 # do this before the optional library checks as some of them require pthreads
3569 if ! disabled pthreads && ! enabled w32threads; then
3570 enable pthreads
3571 if check_func pthread_create; then
3572 :
3573 elif check_func pthread_create -pthread; then
3574 add_cflags -pthread
3575 add_extralibs -pthread
3576 elif check_func pthread_create -pthreads; then
3577 add_cflags -pthreads
3578 add_extralibs -pthreads
3579 elif check_func pthread_create -lpthreadGC2; then
3580 add_extralibs -lpthreadGC2
3581 elif ! check_lib pthread.h pthread_create -lpthread; then
3582 disable pthreads
3583 fi
3584 fi
3585
3586 for thread in $THREADS_LIST; do
3587 if enabled $thread; then
3588 test -n "$thread_type" &&
3589 die "ERROR: Only one thread type must be selected." ||
3590 thread_type="$thread"
3591 fi
3592 done
3593
3594 enabled sync_val_compare_and_swap && enable atomics_gcc
3595 enabled machine_rw_barrier && enabled atomic_cas_ptr && enable atomics_suncc
3596 enabled MemoryBarrier && enable atomics_win32
3597
3598 check_lib math.h sin -lm && LIBM="-lm"
3599 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3600
3601 atan2f_args=2
3602 ldexpf_args=2
3603 powf_args=2
3604
3605 for func in $MATH_FUNCS; do
3606 eval check_mathfunc $func \${${func}_args:-1}
3607 done
3608
3609 # these are off by default, so fail if requested and not available
3610 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3611 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3612 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3613 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3614 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
3615 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3616 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
3617 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
3618 done || die "ERROR: libgsm not found"; }
3619 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
3620 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3621 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3622 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3623 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
3624 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3625 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
3626 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3627 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3628 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3629 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
3630 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3631 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3632 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3633 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3634 enabled libvpx && {
3635 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3636 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3637 enabled libvpx_vp8_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3638 die "ERROR: libvpx encoder version must be >=0.9.6"; }
3639 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
3640 enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx" -lvpx || disable libvpx_vp9_encoder; } }
3641 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
3642 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3643 die "ERROR: libx264 version must be >= 0.118."; }
3644 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
3645 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
3646 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3647 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3648 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3649 die "ERROR: openssl not found"; }
3650
3651 if enabled gnutls; then
3652 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
3653 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
3654 fi
3655
3656 # libdc1394 check
3657 if enabled libdc1394; then
3658 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3659 enable libdc1394_2; } ||
3660 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3661 enable libdc1394_1; } ||
3662 die "ERROR: No version of libdc1394 found "
3663 fi
3664
3665 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3666 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3667 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
3668 enable sdl
3669 fi
3670
3671 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3672
3673 check_header linux/fb.h
3674 check_header linux/videodev2.h
3675 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3676
3677 check_header sys/videoio.h
3678
3679 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3680 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3681 # w32api 3.12 had it defined wrong
3682 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3683
3684 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3685 { check_header dev/bktr/ioctl_meteor.h &&
3686 check_header dev/bktr/ioctl_bt848.h; } ||
3687 { check_header machine/ioctl_meteor.h &&
3688 check_header machine/ioctl_bt848.h; } ||
3689 { check_header dev/video/meteor/ioctl_meteor.h &&
3690 check_header dev/video/bktr/ioctl_bt848.h; } ||
3691 check_header dev/ic/bt8xx.h
3692
3693 check_header sndio.h