Allow linking to CUDA dynamically instead of dlopen()ing it at runtime
[libav.git] / configure
1 #!/bin/sh
2 #
3 # Libav configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
43 fi
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken Libav."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
54 exit 1
55 fi
56
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
59 show_help(){
60 cat <<EOF
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
63
64 Help options:
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
77
78 Standard options:
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --prefix=PREFIX install in PREFIX [$prefix]
82 --bindir=DIR install binaries in DIR [PREFIX/bin]
83 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
84 --docdir=DIR install documentation in DIR [PREFIX/share/doc/libav]
85 --libdir=DIR install libs in DIR [PREFIX/lib]
86 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
87 --incdir=DIR install includes in DIR [PREFIX/include]
88 --mandir=DIR install man page in DIR [PREFIX/share/man]
89 --enable-rpath use rpath when linking programs [USE WITH CARE]
90
91 Licensing options:
92 --enable-gpl allow use of GPL code, the resulting libs
93 and binaries will be under GPL [no]
94 --enable-version3 upgrade (L)GPL to version 3 [no]
95 --enable-nonfree allow use of nonfree code, the resulting libs
96 and binaries will be unredistributable [no]
97
98 Configuration options:
99 --disable-static do not build static libraries [no]
100 --enable-shared build shared libraries [no]
101 --enable-small optimize for size instead of speed
102 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
103 --enable-gray enable full grayscale support (slower color)
104 --disable-swscale-alpha disable alpha channel support in swscale
105 --disable-all disable building components, libraries and programs
106
107 Program options:
108 --disable-programs do not build command line programs
109 --disable-avconv disable avconv build
110 --disable-avplay disable avplay build
111 --disable-avprobe disable avprobe build
112 --disable-avserver deprecated, does nothing
113
114 Component options:
115 --disable-doc do not build documentation
116 --disable-avdevice disable libavdevice build
117 --disable-avcodec disable libavcodec build
118 --disable-avformat disable libavformat build
119 --disable-avutil disable libavutil build
120 --disable-swscale disable libswscale build
121 --disable-avfilter disable video filter support [no]
122 --disable-avresample disable libavresample build [no]
123 --disable-pthreads disable pthreads [auto]
124 --disable-w32threads disable Win32 threads [auto]
125 --disable-network disable network support [no]
126 --disable-dct disable DCT code
127 --disable-error-resilience disable error resilience code
128 --disable-lsp disable LSP code
129 --disable-lzo disable LZO decoder code
130 --disable-mdct disable MDCT code
131 --disable-rdft disable RDFT code
132 --disable-fft disable FFT code
133 --disable-faan disable floating point AAN (I)DCT code
134
135 Hardware accelerators:
136 --enable-d3d11va enable D3D11VA code
137 --enable-dxva2 enable DXVA2 code
138 --enable-vaapi enable VAAPI code
139 --enable-vda enable VDA code
140 --enable-vdpau enable VDPAU code
141
142 Individual component options:
143 --disable-everything disable all components listed below
144 --disable-encoder=NAME disable encoder NAME
145 --enable-encoder=NAME enable encoder NAME
146 --disable-encoders disable all encoders
147 --disable-decoder=NAME disable decoder NAME
148 --enable-decoder=NAME enable decoder NAME
149 --disable-decoders disable all decoders
150 --disable-hwaccel=NAME disable hwaccel NAME
151 --enable-hwaccel=NAME enable hwaccel NAME
152 --disable-hwaccels disable all hwaccels
153 --disable-muxer=NAME disable muxer NAME
154 --enable-muxer=NAME enable muxer NAME
155 --disable-muxers disable all muxers
156 --disable-demuxer=NAME disable demuxer NAME
157 --enable-demuxer=NAME enable demuxer NAME
158 --disable-demuxers disable all demuxers
159 --enable-parser=NAME enable parser NAME
160 --disable-parser=NAME disable parser NAME
161 --disable-parsers disable all parsers
162 --enable-bsf=NAME enable bitstream filter NAME
163 --disable-bsf=NAME disable bitstream filter NAME
164 --disable-bsfs disable all bitstream filters
165 --enable-protocol=NAME enable protocol NAME
166 --disable-protocol=NAME disable protocol NAME
167 --disable-protocols disable all protocols
168 --enable-indev=NAME enable input device NAME
169 --disable-indev=NAME disable input device NAME
170 --disable-indevs disable input devices
171 --enable-outdev=NAME enable output device NAME
172 --disable-outdev=NAME disable output device NAME
173 --disable-outdevs disable output devices
174 --disable-devices disable all devices
175 --enable-filter=NAME enable filter NAME
176 --disable-filter=NAME disable filter NAME
177 --disable-filters disable all filters
178
179 External library support:
180 --enable-avisynth enable reading of AviSynth script files [no]
181 --enable-bzlib enable bzlib [autodetect]
182 --enable-cuda enable dynamically linked CUDA [no]
183 --enable-frei0r enable frei0r video filtering
184 --enable-gnutls enable gnutls [no]
185 --enable-libbs2b enable bs2b DSP library [no]
186 --enable-libcdio enable audio CD grabbing with libcdio
187 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
188 and libraw1394 [no]
189 --enable-libdcadec enable DCA decoding via libdcadec [no]
190 --enable-libfaac enable AAC encoding via libfaac [no]
191 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
192 --enable-libfreetype enable libfreetype [no]
193 --enable-libgsm enable GSM de/encoding via libgsm [no]
194 --enable-libilbc enable iLBC de/encoding via libilbc [no]
195 --enable-libkvazaar enable HEVC encoding via libkvazaar [no]
196 --enable-libmfx enable HW acceleration through libmfx
197 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
198 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
199 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
200 --enable-libopencv enable video filtering via libopencv [no]
201 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
202 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
203 --enable-libopus enable Opus de/encoding via libopus [no]
204 --enable-libpulse enable Pulseaudio input via libpulse [no]
205 --enable-librtmp enable RTMP[E] support via librtmp [no]
206 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
207 --enable-libsnappy enable Snappy compression [no]
208 --enable-libspeex enable Speex de/encoding via libspeex [no]
209 --enable-libtheora enable Theora encoding via libtheora [no]
210 --enable-libtwolame enable MP2 encoding via libtwolame [no]
211 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
212 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
213 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
214 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
215 --enable-libwavpack enable wavpack encoding via libwavpack [no]
216 --enable-libwebp enable WebP encoding via libwebp [no]
217 --enable-libx264 enable H.264 encoding via x264 [no]
218 --enable-libx265 enable HEVC encoding via x265 [no]
219 --enable-libxavs enable AVS encoding via xavs [no]
220 --enable-libxcb enable X11 grabbing using XCB [no]
221 --enable-libxcb-shm enable X11 grabbing shm communication [auto]
222 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [auto]
223 --enable-libxvid enable Xvid encoding via xvidcore,
224 native MPEG-4/Xvid encoder exists [no]
225 --enable-mmal enable decoding via MMAL [no]
226 --enable-nvenc enable encoding via NVENC [no]
227 --enable-openssl enable openssl [no]
228 --enable-x11grab enable X11 grabbing (legacy) [no]
229 --enable-zlib enable zlib [autodetect]
230
231 Toolchain options:
232 --arch=ARCH select architecture [$arch]
233 --cpu=CPU select the minimum required CPU (affects
234 instruction selection, may crash on older CPUs)
235 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
236 --enable-cross-compile assume a cross-compiler is used
237 --sysroot=PATH root of cross-build tree
238 --sysinclude=PATH location of cross-build system headers
239 --target-os=OS compiler targets OS [$target_os]
240 --target-exec=CMD command to run executables on target
241 --target-path=DIR path to view of build directory on target
242 --target-samples=DIR path to samples directory on target
243 --toolchain=NAME set tool defaults according to NAME
244 --nm=NM use nm tool
245 --ar=AR use archive tool AR [$ar_default]
246 --as=AS use assembler AS [$as_default]
247 --cc=CC use C compiler CC [$cc_default]
248 --objcc=OCC use ObjC compiler OCC [$cc_default]
249 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
250 --ld=LD use linker LD
251 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
252 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
253 --host-cc=HOSTCC use host C compiler HOSTCC
254 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
255 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
256 --host-ld=HOSTLD use host linker HOSTLD
257 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
258 --host-libs=HLIBS use libs HLIBS when linking for host
259 --host-os=OS compiler host OS [$target_os]
260 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
261 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
262 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
263 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
264 --extra-libs=ELIBS add ELIBS [$ELIBS]
265 --extra-version=STRING version string suffix []
266 --optflags=OPTFLAGS override optimization-related compiler flags
267 --build-suffix=SUFFIX library name suffix []
268 --enable-pic build position-independent code
269 --enable-thumb compile for Thumb instruction set
270 --enable-lto use link-time optimization
271 --env="ENV=override" override the environment variables
272
273 Advanced options (experts only):
274 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
275 --custom-allocator=NAME use a supported custom allocator
276 --disable-symver disable symbol versioning
277 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
278 --disable-safe-bitstream-reader
279 disable buffer boundary checking in bitreaders
280 (faster, but may crash)
281 --enable-memalign-hack emulate memalign, interferes with memory debuggers
282 --enable-sram allow use of on-chip SRAM
283
284 Optimization options (experts only):
285 --disable-asm disable all assembly optimizations
286 --disable-altivec disable AltiVec optimizations
287 --disable-vsx disable VSX optimizations
288 --disable-power8 disable POWER8 optimizations
289 --disable-amd3dnow disable 3DNow! optimizations
290 --disable-amd3dnowext disable 3DNow! extended optimizations
291 --disable-mmx disable MMX optimizations
292 --disable-mmxext disable MMXEXT optimizations
293 --disable-sse disable SSE optimizations
294 --disable-sse2 disable SSE2 optimizations
295 --disable-sse3 disable SSE3 optimizations
296 --disable-ssse3 disable SSSE3 optimizations
297 --disable-sse4 disable SSE4 optimizations
298 --disable-sse42 disable SSE4.2 optimizations
299 --disable-avx disable AVX optimizations
300 --disable-xop disable XOP optimizations
301 --disable-fma3 disable FMA3 optimizations
302 --disable-fma4 disable FMA4 optimizations
303 --disable-avx2 disable AVX2 optimizations
304 --disable-armv5te disable armv5te optimizations
305 --disable-armv6 disable armv6 optimizations
306 --disable-armv6t2 disable armv6t2 optimizations
307 --disable-vfp disable VFP optimizations
308 --disable-neon disable NEON optimizations
309 --disable-inline-asm disable use of inline assembly
310 --disable-yasm disable use of nasm/yasm assembly
311
312 Developer options (useful when working on Libav itself):
313 --disable-debug disable debugging symbols
314 --enable-debug=LEVEL set the debug level [$debuglevel]
315 --disable-optimizations disable compiler optimizations
316 --enable-extra-warnings enable more compiler warnings
317 --samples=PATH location of test samples for FATE, if not set use
318 \$LIBAV_SAMPLES at make invocation time.
319 --enable-neon-clobber-test check NEON registers for clobbering (should be
320 used only for debugging purposes)
321 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
322 should be used only for debugging purposes)
323 --enable-random randomly enable/disable components
324 --disable-random
325 --enable-random=LIST randomly enable/disable specific components or
326 --disable-random=LIST component groups. LIST is a comma-separated list
327 of NAME[:PROB] entries where NAME is a component
328 (group) and PROB the probability associated with
329 NAME (default 0.5).
330 --random-seed=VALUE seed value for --enable/disable-random
331 --disable-valgrind-backtrace do not print a backtrace under Valgrind
332 (only applies to --disable-optimizations builds)
333
334 NOTE: Object files are built at the place where configure is launched.
335 EOF
336 exit 0
337 }
338
339 quotes='""'
340
341 log(){
342 echo "$@" >> $logfile
343 }
344
345 log_file(){
346 log BEGIN $1
347 i=1
348 while read line; do
349 printf '%5s %s\n' "${i}" "${line}"
350 i=$(($i+1))
351 done < $1 >> $logfile
352 log END $1
353 }
354
355 echolog(){
356 log "$@"
357 echo "$@"
358 }
359
360 warn(){
361 log "WARNING: $*"
362 WARNINGS="${WARNINGS}WARNING: $*\n"
363 }
364
365 die(){
366 echolog "$@"
367 cat <<EOF
368
369 If you think configure made a mistake, make sure you are using the latest
370 version from Git. If the latest version fails, report the problem to the
371 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
372 EOF
373 if disabled logging; then
374 cat <<EOF
375 Rerun configure with logging enabled (do not use --disable-logging), and
376 include the log this produces with your report.
377 EOF
378 else
379 cat <<EOF
380 Include the log file "$logfile" produced by configure as this will help
381 solving the problem.
382 EOF
383 fi
384 exit 1
385 }
386
387 # Avoid locale weirdness, besides we really just want to translate ASCII.
388 toupper(){
389 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
390 }
391
392 tolower(){
393 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
394 }
395
396 c_escape(){
397 echo "$*" | sed 's/["\\]/\\\0/g'
398 }
399
400 sh_quote(){
401 v=$(echo "$1" | sed "s/'/'\\\\''/g")
402 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
403 echo "$v"
404 }
405
406 cleanws(){
407 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
408 }
409
410 filter(){
411 pat=$1
412 shift
413 for v; do
414 eval "case $v in $pat) echo $v ;; esac"
415 done
416 }
417
418 filter_out(){
419 pat=$1
420 shift
421 for v; do
422 eval "case $v in $pat) ;; *) echo $v ;; esac"
423 done
424 }
425
426 map(){
427 m=$1
428 shift
429 for v; do eval $m; done
430 }
431
432 add_suffix(){
433 suffix=$1
434 shift
435 for v; do echo ${v}${suffix}; done
436 }
437
438 set_all(){
439 value=$1
440 shift
441 for var in $*; do
442 eval $var=$value
443 done
444 }
445
446 set_weak(){
447 value=$1
448 shift
449 for var; do
450 eval : \${$var:=$value}
451 done
452 }
453
454 sanitize_var_name(){
455 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
456 }
457
458 set_safe(){
459 var=$1
460 shift
461 eval $(sanitize_var_name "$var")='$*'
462 }
463
464 get_safe(){
465 eval echo \$$(sanitize_var_name "$1")
466 }
467
468 pushvar(){
469 for pvar in $*; do
470 eval level=\${${pvar}_level:=0}
471 eval ${pvar}_${level}="\$$pvar"
472 eval ${pvar}_level=$(($level+1))
473 done
474 }
475
476 popvar(){
477 for pvar in $*; do
478 eval level=\${${pvar}_level:-0}
479 test $level = 0 && continue
480 eval level=$(($level-1))
481 eval $pvar="\${${pvar}_${level}}"
482 eval ${pvar}_level=$level
483 eval unset ${pvar}_${level}
484 done
485 }
486
487 enable(){
488 set_all yes $*
489 }
490
491 check_requested() {
492 for var; do
493 eval test "x\$${var#!}_requested" = "xyes" && die "${var%%_*} cannot be enabled"
494 done
495 }
496
497 disable(){
498 set_all no $*
499 check_requested $*
500 }
501
502 enable_weak(){
503 set_weak yes $*
504 }
505
506 disable_weak(){
507 set_weak no $*
508 }
509
510 enable_safe(){
511 for var; do
512 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
513 done
514 }
515
516 disable_safe(){
517 for var; do
518 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
519 done
520 }
521
522 do_enable_deep(){
523 for var; do
524 enabled $var && continue
525 eval sel="\$${var}_select"
526 eval sgs="\$${var}_suggest"
527 pushvar var sgs
528 enable_deep $sel
529 popvar sgs
530 enable_deep_weak $sgs
531 popvar var
532 done
533 }
534
535 enable_deep(){
536 do_enable_deep $*
537 enable $*
538 }
539
540 enable_deep_weak(){
541 for var; do
542 disabled $var && continue
543 pushvar var
544 do_enable_deep $var
545 popvar var
546 enable_weak $var
547 done
548 }
549
550 do_enable_deep_force(){
551 for var; do
552 enabled $var && continue
553 eval sel="\$${var}_deps\ \$${var}_deps_any\ \$${var}_select\ \$${var}_suggest\ \$${var}_select_any"
554 pushvar var
555 enable_deep_force $sel
556 popvar var
557 done
558 }
559
560 enable_deep_force(){
561 do_enable_deep_force $*
562 for var; do
563 is_in $var $ALL_COMPONENTS $COMPONENT_LIST $LIBRARY_LIST && enable $var
564 done
565 }
566
567 request(){
568 disable $* # force the refresh of the dependencies
569 for var; do
570 enable ${var}_requested
571 done
572 enable_deep_force $*
573 enable $*
574 }
575
576 enabled(){
577 test "${1#!}" = "$1" && op== || op=!=
578 eval test "x\$${1#!}" $op "xyes"
579 }
580
581 disabled(){
582 test "${1#!}" = "$1" && op== || op=!=
583 eval test "x\$${1#!}" $op "xno"
584 }
585
586 enabled_all(){
587 for opt; do
588 enabled $opt || return 1
589 done
590 }
591
592 disabled_all(){
593 for opt; do
594 disabled $opt || return 1
595 done
596 }
597
598 enabled_any(){
599 for opt; do
600 enabled $opt && return 0
601 done
602 }
603
604 disabled_any(){
605 for opt; do
606 disabled $opt && return 0
607 done
608 return 1
609 }
610
611 set_default(){
612 for opt; do
613 eval : \${$opt:=\$${opt}_default}
614 done
615 }
616
617 is_in(){
618 value=$1
619 shift
620 for var in $*; do
621 [ $var = $value ] && return 0
622 done
623 return 1
624 }
625
626 do_check_deps(){
627 for cfg; do
628 cfg="${cfg#!}"
629 enabled ${cfg}_checking && die "Circular dependency for $cfg."
630 disabled ${cfg}_checking && continue
631 enable ${cfg}_checking
632 append allopts $cfg
633
634 eval dep_all="\$${cfg}_deps"
635 eval dep_any="\$${cfg}_deps_any\ \$${cfg}_select_any"
636 eval dep_sel="\$${cfg}_select"
637 eval dep_sgs="\$${cfg}_suggest"
638 eval dep_ifa="\$${cfg}_if"
639 eval dep_ifn="\$${cfg}_if_any"
640
641 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
642 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
643 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
644
645 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
646 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
647 enabled_all $dep_all || disable $cfg
648 enabled_any $dep_any || disable $cfg
649 disabled_any $dep_sel && disable $cfg
650
651 if enabled $cfg; then
652 enable_deep $dep_sel
653 enable_deep_weak $dep_sgs
654 fi
655
656 disable ${cfg}_checking
657 done
658 }
659
660 check_deps(){
661 unset allopts
662
663 do_check_deps "$@"
664
665 for cfg in $allopts; do
666 enabled $cfg || continue
667 eval dep_extralibs="\$${cfg}_extralibs"
668 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
669 done
670 }
671
672 print_config(){
673 pfx=$1
674 files=$2
675 shift 2
676 map 'eval echo "$v \${$v:-no}"' "$@" |
677 awk "BEGIN { split(\"$files\", files) }
678 {
679 c = \"$pfx\" toupper(\$1);
680 v = \$2;
681 sub(/yes/, 1, v);
682 sub(/no/, 0, v);
683 for (f in files) {
684 file = files[f];
685 if (file ~ /\\.h\$/) {
686 printf(\"#define %s %d\\n\", c, v) >>file;
687 } else if (file ~ /\\.asm\$/) {
688 printf(\"%%define %s %d\\n\", c, v) >>file;
689 } else if (file ~ /\\.mak\$/) {
690 n = -v ? \"\" : \"!\";
691 printf(\"%s%s=yes\\n\", n, c) >>file;
692 }
693 }
694 }"
695 }
696
697 print_enabled(){
698 suf=$1
699 shift
700 for v; do
701 enabled $v && printf "%s\n" ${v%$suf};
702 done
703 }
704
705 append(){
706 var=$1
707 shift
708 eval "$var=\"\$$var $*\""
709 }
710
711 prepend(){
712 var=$1
713 shift
714 eval "$var=\"$* \$$var\""
715 }
716
717 unique(){
718 var=$1
719 uniq_list=""
720 for tok in $(eval echo \$$var); do
721 uniq_list="$(filter_out $tok $uniq_list) $tok"
722 done
723 eval "$var=\"${uniq_list}\""
724 }
725
726 add_cppflags(){
727 append CPPFLAGS "$@"
728 }
729
730 add_cflags(){
731 append CFLAGS $($cflags_filter "$@")
732 }
733
734 add_asflags(){
735 append ASFLAGS $($asflags_filter "$@")
736 }
737
738 add_objcflags(){
739 append OBJCFLAGS $($objcflags_filter "$@")
740 }
741
742 add_ldflags(){
743 append LDFLAGS $($ldflags_filter "$@")
744 }
745
746 add_ldexeflags(){
747 append LDEXEFLAGS $($ldflags_filter "$@")
748 }
749
750 add_stripflags(){
751 append STRIPFLAGS "$@"
752 }
753
754 add_extralibs(){
755 prepend extralibs $($ldflags_filter "$@")
756 }
757
758 add_host_cppflags(){
759 append host_cppflags "$@"
760 }
761
762 add_host_cflags(){
763 append host_cflags $($host_cflags_filter "$@")
764 }
765
766 add_host_ldflags(){
767 append host_ldflags $($host_ldflags_filter "$@")
768 }
769
770 add_compat(){
771 append compat_objs $1
772 shift
773 map 'add_cppflags -D$v' "$@"
774 }
775
776 check_cmd(){
777 log "$@"
778 "$@" >> $logfile 2>&1
779 }
780
781 cc_o(){
782 eval printf '%s\\n' $CC_O
783 }
784
785 cc_e(){
786 eval printf '%s\\n' $CC_E
787 }
788
789 check_cc(){
790 log check_cc "$@"
791 cat > $TMPC
792 log_file $TMPC
793 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
794 }
795
796 check_objcc(){
797 log check_objcc "$@"
798 cat > $TMPC
799 log_file $TMPC
800 check_cmd $objcc $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPC
801 }
802
803 check_cpp(){
804 log check_cpp "$@"
805 cat > $TMPC
806 log_file $TMPC
807 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
808 }
809
810 as_o(){
811 eval printf '%s\\n' $AS_O
812 }
813
814 check_as(){
815 log check_as "$@"
816 cat > $TMPS
817 log_file $TMPS
818 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
819 }
820
821 check_inline_asm(){
822 log check_inline_asm "$@"
823 name="$1"
824 code="$2"
825 shift 2
826 disable $name
827 check_cc "$@" <<EOF && enable $name
828 void foo(void){ __asm__ volatile($code); }
829 EOF
830 }
831
832 check_insn(){
833 log check_insn "$@"
834 check_inline_asm ${1}_inline "\"$2\""
835 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
836 }
837
838 check_yasm(){
839 log check_yasm "$@"
840 echo "$1" > $TMPS
841 log_file $TMPS
842 shift 1
843 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
844 }
845
846 ld_o(){
847 eval printf '%s\\n' $LD_O
848 }
849
850 check_ld(){
851 log check_ld "$@"
852 flags=$(filter_out '-l*' "$@")
853 libs=$(filter '-l*' "$@")
854 check_cc $($cflags_filter $flags) || return
855 flags=$($ldflags_filter $flags)
856 libs=$($ldflags_filter $libs)
857 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
858 }
859
860 print_include(){
861 hdr=$1
862 test "${hdr%.h}" = "${hdr}" &&
863 echo "#include $hdr" ||
864 echo "#include <$hdr>"
865 }
866
867 check_code(){
868 log check_code "$@"
869 check=$1
870 headers=$2
871 code=$3
872 shift 3
873 {
874 for hdr in $headers; do
875 print_include $hdr
876 done
877 echo "int main(void) { $code; return 0; }"
878 } | check_$check "$@"
879 }
880
881 check_cppflags(){
882 log check_cppflags "$@"
883 check_cc "$@" <<EOF && append CPPFLAGS "$@"
884 int x;
885 EOF
886 }
887
888 test_cflags(){
889 log test_cflags "$@"
890 set -- $($cflags_filter "$@")
891 check_cc "$@" <<EOF
892 int x;
893 EOF
894 }
895
896 check_cflags(){
897 log check_cflags "$@"
898 test_cflags "$@" && add_cflags "$@"
899 }
900
901 test_objcflags(){
902 log test_cflags "$@"
903 set -- $($cflags_filter "$@")
904 check_objcc "$@" <<EOF
905 int x;
906 EOF
907 }
908
909 check_objcflags(){
910 log check_cflags "$@"
911 test_objcflags "$@" && add_objcflags "$@"
912 }
913
914 test_ldflags(){
915 log test_ldflags "$@"
916 check_ld "$@" <<EOF
917 int main(void){ return 0; }
918 EOF
919 }
920
921 check_ldflags(){
922 log check_ldflags "$@"
923 test_ldflags "$@" && add_ldflags "$@"
924 }
925
926 test_stripflags(){
927 log test_stripflags "$@"
928 # call check_cc to get a fresh TMPO
929 check_cc <<EOF
930 int main(void) { return 0; }
931 EOF
932 check_cmd $strip $STRIPFLAGS "$@" $TMPO
933 }
934
935 check_stripflags(){
936 log check_stripflags "$@"
937 test_stripflags "$@" && add_stripflags "$@"
938 }
939
940 check_header(){
941 log check_header "$@"
942 header=$1
943 shift
944 disable_safe $header
945 check_cpp "$@" <<EOF && enable_safe $header
946 #include <$header>
947 int x;
948 EOF
949 }
950
951 check_func(){
952 log check_func "$@"
953 func=$1
954 shift
955 disable $func
956 check_ld "$@" <<EOF && enable $func
957 extern int $func();
958 int main(void){ $func(); }
959 EOF
960 }
961
962 check_mathfunc(){
963 log check_mathfunc "$@"
964 func=$1
965 narg=$2
966 shift 2
967 test $narg = 2 && args="f, g" || args="f"
968 disable $func
969 check_ld "$@" <<EOF && enable $func
970 #include <math.h>
971 float foo(float f, float g) { return $func($args); }
972 int main(void){ return 0; }
973 EOF
974 }
975
976 check_func_headers(){
977 log check_func_headers "$@"
978 headers=$1
979 funcs=$2
980 shift 2
981 {
982 for hdr in $headers; do
983 print_include $hdr
984 done
985 for func in $funcs; do
986 echo "long check_$func(void) { return (long) $func; }"
987 done
988 echo "int main(void) { return 0; }"
989 } | check_ld "$@" && enable $funcs && enable_safe $headers
990 }
991
992 check_cpp_condition(){
993 log check_cpp_condition "$@"
994 header=$1
995 condition=$2
996 shift 2
997 check_cpp "$@" <<EOF
998 #include <$header>
999 #if !($condition)
1000 #error "unsatisfied condition: $condition"
1001 #endif
1002 EOF
1003 }
1004
1005 check_lib(){
1006 log check_lib "$@"
1007 header="$1"
1008 func="$2"
1009 shift 2
1010 check_header $header && check_func $func "$@" && add_extralibs "$@"
1011 }
1012
1013 check_lib2(){
1014 log check_lib2 "$@"
1015 headers="$1"
1016 funcs="$2"
1017 shift 2
1018 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1019 }
1020
1021 check_pkg_config(){
1022 log check_pkg_config "$@"
1023 pkg="$1"
1024 headers="$2"
1025 funcs="$3"
1026 shift 3
1027 check_cmd $pkg_config --exists --print-errors $pkg || return
1028 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1029 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1030 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1031 set_safe "${pkg}_cflags" $pkg_cflags &&
1032 set_safe "${pkg}_libs" $pkg_libs
1033 }
1034
1035 check_exec(){
1036 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1037 }
1038
1039 check_exec_crash(){
1040 code=$(cat)
1041
1042 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1043 # are safe but may not be available everywhere. Thus we use
1044 # raise(SIGTERM) instead. The check is run in a subshell so we
1045 # can redirect the "Terminated" message from the shell. SIGBUS
1046 # is not defined by standard C so it is used conditionally.
1047
1048 (check_exec "$@") >> $logfile 2>&1 <<EOF
1049 #include <signal.h>
1050 static void sighandler(int sig){
1051 raise(SIGTERM);
1052 }
1053 int foo(void){
1054 $code
1055 }
1056 int (*func_ptr)(void) = foo;
1057 int main(void){
1058 signal(SIGILL, sighandler);
1059 signal(SIGFPE, sighandler);
1060 signal(SIGSEGV, sighandler);
1061 #ifdef SIGBUS
1062 signal(SIGBUS, sighandler);
1063 #endif
1064 return func_ptr();
1065 }
1066 EOF
1067 }
1068
1069 check_type(){
1070 log check_type "$@"
1071 headers=$1
1072 type=$2
1073 shift 2
1074 disable_safe "$type"
1075 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1076 }
1077
1078 check_struct(){
1079 log check_struct "$@"
1080 headers=$1
1081 struct=$2
1082 member=$3
1083 shift 3
1084 disable_safe "${struct}_${member}"
1085 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1086 enable_safe "${struct}_${member}"
1087 }
1088
1089 check_builtin(){
1090 log check_builtin "$@"
1091 name=$1
1092 headers=$2
1093 builtin=$3
1094 shift 3
1095 disable "$name"
1096 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1097 }
1098
1099 check_compile_assert(){
1100 log check_compile_assert "$@"
1101 name=$1
1102 headers=$2
1103 condition=$3
1104 shift 3
1105 disable "$name"
1106 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1107 }
1108
1109 require(){
1110 name="$1"
1111 header="$2"
1112 func="$3"
1113 shift 3
1114 check_lib $header $func "$@" || die "ERROR: $name not found"
1115 }
1116
1117 require2(){
1118 name="$1"
1119 headers="$2"
1120 func="$3"
1121 shift 3
1122 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1123 }
1124
1125 require_pkg_config(){
1126 pkg="$1"
1127 check_pkg_config "$@" || die "ERROR: $pkg not found"
1128 add_cflags $(get_safe "${pkg}_cflags")
1129 add_extralibs $(get_safe "${pkg}_libs")
1130 }
1131
1132 hostcc_e(){
1133 eval printf '%s\\n' $HOSTCC_E
1134 }
1135
1136 hostcc_o(){
1137 eval printf '%s\\n' $HOSTCC_O
1138 }
1139
1140 check_host_cc(){
1141 log check_host_cc "$@"
1142 cat > $TMPC
1143 log_file $TMPC
1144 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1145 }
1146
1147 check_host_cpp(){
1148 log check_host_cpp "$@"
1149 cat > $TMPC
1150 log_file $TMPC
1151 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1152 }
1153
1154 check_host_cppflags(){
1155 log check_host_cppflags "$@"
1156 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1157 int x;
1158 EOF
1159 }
1160
1161 check_host_cflags(){
1162 log check_host_cflags "$@"
1163 set -- $($host_cflags_filter "$@")
1164 check_host_cc "$@" <<EOF && append host_cflags "$@"
1165 int x;
1166 EOF
1167 }
1168
1169 check_host_cpp_condition(){
1170 log check_host_cpp_condition "$@"
1171 header=$1
1172 condition=$2
1173 shift 2
1174 check_host_cpp "$@" <<EOF
1175 #include <$header>
1176 #if !($condition)
1177 #error "unsatisfied condition: $condition"
1178 #endif
1179 EOF
1180 }
1181
1182 apply(){
1183 file=$1
1184 shift
1185 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1186 }
1187
1188 cp_if_changed(){
1189 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1190 mkdir -p "$(dirname $2)"
1191 $cp_f "$1" "$2"
1192 }
1193
1194 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1195 # system-dependent things.
1196
1197 AVCODEC_COMPONENTS="
1198 bsfs
1199 decoders
1200 encoders
1201 hwaccels
1202 parsers
1203 "
1204
1205 AVDEVICE_COMPONENTS="
1206 indevs
1207 outdevs
1208 "
1209 AVFILTER_COMPONENTS="
1210 filters
1211 "
1212 AVFORMAT_COMPONENTS="
1213 demuxers
1214 muxers
1215 protocols
1216 "
1217
1218 AVRESAMPLE_COMPONENTS=""
1219 AVUTIL_COMPONENTS=""
1220
1221 COMPONENT_LIST="
1222 $AVCODEC_COMPONENTS
1223 $AVDEVICE_COMPONENTS
1224 $AVFILTER_COMPONENTS
1225 $AVFORMAT_COMPONENTS
1226 $AVRESAMPLE_COMPONENTS
1227 $AVUTIL_COMPONENTS
1228 "
1229
1230 EXAMPLE_LIST="
1231 avcodec_example
1232 filter_audio_example
1233 metadata_example
1234 output_example
1235 qsvdec_example
1236 transcode_aac_example
1237 "
1238
1239 EXTERNAL_LIBRARY_LIST="
1240 avisynth
1241 bzlib
1242 cuda
1243 frei0r
1244 gnutls
1245 libbs2b
1246 libcdio
1247 libdc1394
1248 libdcadec
1249 libfaac
1250 libfdk_aac
1251 libfontconfig
1252 libfreetype
1253 libgsm
1254 libilbc
1255 libkvazaar
1256 libmfx
1257 libmp3lame
1258 libopencore_amrnb
1259 libopencore_amrwb
1260 libopencv
1261 libopenh264
1262 libopenjpeg
1263 libopus
1264 libpulse
1265 librtmp
1266 libschroedinger
1267 libsnappy
1268 libspeex
1269 libtheora
1270 libtwolame
1271 libvo_aacenc
1272 libvo_amrwbenc
1273 libvorbis
1274 libvpx
1275 libwavpack
1276 libwebp
1277 libx264
1278 libx265
1279 libxavs
1280 libxcb
1281 libxcb_shm
1282 libxcb_xfixes
1283 libxvid
1284 mmal
1285 nvenc
1286 openssl
1287 x11grab
1288 zlib
1289 "
1290
1291 FEATURE_LIST="
1292 gray
1293 hardcoded_tables
1294 runtime_cpudetect
1295 safe_bitstream_reader
1296 shared
1297 small
1298 sram
1299 static
1300 swscale_alpha
1301 "
1302
1303 HWACCEL_LIST="
1304 d3d11va
1305 dxva2
1306 vaapi
1307 vda
1308 vdpau
1309 "
1310
1311 LIBRARY_LIST="
1312 avcodec
1313 avdevice
1314 avfilter
1315 avformat
1316 avresample
1317 avutil
1318 swscale
1319 "
1320
1321 LICENSE_LIST="
1322 gpl
1323 nonfree
1324 version3
1325 "
1326
1327 PROGRAM_LIST="
1328 avconv
1329 avplay
1330 avprobe
1331 "
1332
1333 SUBSYSTEM_LIST="
1334 dct
1335 doc
1336 error_resilience
1337 faan
1338 fft
1339 lsp
1340 lzo
1341 mdct
1342 network
1343 rdft
1344 "
1345
1346 CONFIG_LIST="
1347 $COMPONENT_LIST
1348 $EXAMPLE_LIST
1349 $EXTERNAL_LIBRARY_LIST
1350 $FEATURE_LIST
1351 $HWACCEL_LIST
1352 $LICENSE_LIST
1353 $LIBRARY_LIST
1354 $PROGRAM_LIST
1355 $SUBSYSTEM_LIST
1356 memalign_hack
1357 neon_clobber_test
1358 pic
1359 pod2man
1360 texi2html
1361 thumb
1362 valgrind_backtrace
1363 xmm_clobber_test
1364 "
1365
1366 THREADS_LIST="
1367 pthreads
1368 w32threads
1369 "
1370
1371 ATOMICS_LIST="
1372 atomics_gcc
1373 atomics_suncc
1374 atomics_win32
1375 "
1376
1377 ARCH_LIST="
1378 aarch64
1379 alpha
1380 arm
1381 avr32
1382 avr32_ap
1383 avr32_uc
1384 bfin
1385 ia64
1386 m68k
1387 mips
1388 mips64
1389 parisc
1390 ppc
1391 ppc64
1392 s390
1393 sh4
1394 sparc
1395 sparc64
1396 tilegx
1397 tilepro
1398 tomi
1399 x86
1400 x86_32
1401 x86_64
1402 "
1403
1404 ARCH_EXT_LIST_ARM="
1405 armv5te
1406 armv6
1407 armv6t2
1408 armv8
1409 neon
1410 vfp
1411 vfpv3
1412 "
1413
1414 ARCH_EXT_LIST_X86_SIMD="
1415 amd3dnow
1416 amd3dnowext
1417 avx
1418 avx2
1419 fma3
1420 fma4
1421 mmx
1422 mmxext
1423 sse
1424 sse2
1425 sse3
1426 sse4
1427 sse42
1428 ssse3
1429 xop
1430 "
1431
1432 ARCH_EXT_LIST_PPC="
1433 altivec
1434 dcbzl
1435 ldbrx
1436 power8
1437 ppc4xx
1438 vsx
1439 "
1440
1441 ARCH_EXT_LIST_X86="
1442 $ARCH_EXT_LIST_X86_SIMD
1443 cpunop
1444 i686
1445 "
1446
1447 ARCH_EXT_LIST_MIPS="
1448 loongson
1449 mips32r1
1450 mips64r1
1451 mips32r2
1452 mips64r2
1453 mips32r6
1454 mips64r6
1455 "
1456
1457 ARCH_EXT_LIST="
1458 $ARCH_EXT_LIST_ARM
1459 $ARCH_EXT_LIST_MIPS
1460 $ARCH_EXT_LIST_PPC
1461 $ARCH_EXT_LIST_X86
1462 vis
1463 "
1464
1465 ARCH_FEATURES="
1466 aligned_stack
1467 fast_64bit
1468 fast_clz
1469 fast_cmov
1470 local_aligned_8
1471 local_aligned_16
1472 simd_align_16
1473 "
1474
1475 BUILTIN_LIST="
1476 atomic_cas_ptr
1477 machine_rw_barrier
1478 MemoryBarrier
1479 mm_empty
1480 rdtsc
1481 sync_val_compare_and_swap
1482 "
1483 HAVE_LIST_CMDLINE="
1484 inline_asm
1485 symver
1486 yasm
1487 "
1488
1489 HAVE_LIST_PUB="
1490 bigendian
1491 fast_unaligned
1492 "
1493
1494 HEADERS_LIST="
1495 AVFoundation_AVFoundation_h
1496 alsa_asoundlib_h
1497 altivec_h
1498 arpa_inet_h
1499 cdio_paranoia_h
1500 cdio_paranoia_paranoia_h
1501 dev_bktr_ioctl_bt848_h
1502 dev_bktr_ioctl_meteor_h
1503 dev_ic_bt8xx_h
1504 dev_video_bktr_ioctl_bt848_h
1505 dev_video_meteor_ioctl_meteor_h
1506 direct_h
1507 dlfcn_h
1508 d3d11_h
1509 dxva_h
1510 gsm_h
1511 io_h
1512 mach_mach_time_h
1513 machine_ioctl_bt848_h
1514 machine_ioctl_meteor_h
1515 malloc_h
1516 poll_h
1517 sndio_h
1518 soundcard_h
1519 sys_mman_h
1520 sys_param_h
1521 sys_resource_h
1522 sys_select_h
1523 sys_soundcard_h
1524 sys_time_h
1525 sys_un_h
1526 sys_videoio_h
1527 unistd_h
1528 valgrind_valgrind_h
1529 windows_h
1530 winsock2_h
1531 "
1532
1533 INTRINSICS_LIST="
1534 intrinsics_neon
1535 "
1536
1537 MATH_FUNCS="
1538 atanf
1539 atan2f
1540 cbrtf
1541 cosf
1542 exp2
1543 exp2f
1544 expf
1545 isinf
1546 isnan
1547 ldexpf
1548 llrint
1549 llrintf
1550 log2
1551 log2f
1552 log10f
1553 lrint
1554 lrintf
1555 powf
1556 rint
1557 round
1558 roundf
1559 sinf
1560 trunc
1561 truncf
1562 "
1563
1564 SYSTEM_FUNCS="
1565 aligned_malloc
1566 clock_gettime
1567 closesocket
1568 CommandLineToArgvW
1569 CoTaskMemFree
1570 CryptGenRandom
1571 dlopen
1572 fcntl
1573 flt_lim
1574 fork
1575 getaddrinfo
1576 gethrtime
1577 getopt
1578 GetProcessAffinityMask
1579 GetProcessMemoryInfo
1580 GetProcessTimes
1581 getrusage
1582 GetSystemTimeAsFileTime
1583 gettimeofday
1584 gmtime_r
1585 inet_aton
1586 isatty
1587 jack_port_get_latency_range
1588 LoadLibrary
1589 localtime_r
1590 mach_absolute_time
1591 MapViewOfFile
1592 memalign
1593 mkstemp
1594 mmap
1595 mprotect
1596 nanosleep
1597 posix_memalign
1598 sched_getaffinity
1599 SetConsoleTextAttribute
1600 setmode
1601 setrlimit
1602 Sleep
1603 strerror_r
1604 sysconf
1605 sysctl
1606 usleep
1607 VirtualAlloc
1608 "
1609
1610 TOOLCHAIN_FEATURES="
1611 as_dn_directive
1612 as_func
1613 as_object_arch
1614 asm_mod_q
1615 attribute_may_alias
1616 attribute_packed
1617 ebp_available
1618 ebx_available
1619 gnu_as
1620 ibm_asm
1621 inline_asm_labels
1622 pragma_deprecated
1623 symver_asm_label
1624 symver_gnu_asm
1625 vfp_args
1626 xform_asm
1627 xmm_clobbers
1628 "
1629
1630 TYPES_LIST="
1631 CONDITION_VARIABLE_Ptr
1632 socklen_t
1633 struct_addrinfo
1634 struct_group_source_req
1635 struct_ip_mreq_source
1636 struct_ipv6_mreq
1637 struct_pollfd
1638 struct_rusage_ru_maxrss
1639 struct_sockaddr_in6
1640 struct_sockaddr_sa_len
1641 struct_sockaddr_storage
1642 struct_v4l2_frmivalenum_discrete
1643 "
1644
1645 HAVE_LIST="
1646 $ARCH_EXT_LIST
1647 $(add_suffix _external $ARCH_EXT_LIST)
1648 $(add_suffix _inline $ARCH_EXT_LIST)
1649 $ARCH_FEATURES
1650 $ATOMICS_LIST
1651 $BUILTIN_LIST
1652 $HAVE_LIST_CMDLINE
1653 $HAVE_LIST_PUB
1654 $HEADERS_LIST
1655 $INTRINSICS_LIST
1656 $MATH_FUNCS
1657 $SYSTEM_FUNCS
1658 $THREADS_LIST
1659 $TOOLCHAIN_FEATURES
1660 $TYPES_LIST
1661 atomics_native
1662 dos_paths
1663 dxva2_lib
1664 libc_msvcrt
1665 libdc1394_1
1666 libdc1394_2
1667 sdl
1668 section_data_rel_ro
1669 threads
1670 vaapi_x11
1671 vdpau_x11
1672 xlib
1673 "
1674
1675 # options emitted with CONFIG_ prefix but not available on the command line
1676 CONFIG_EXTRA="
1677 aandcttables
1678 ac3dsp
1679 audio_frame_queue
1680 audiodsp
1681 blockdsp
1682 bswapdsp
1683 cabac
1684 dirac_parse
1685 dvprofile
1686 faandct
1687 faanidct
1688 fdctdsp
1689 flacdsp
1690 fmtconvert
1691 g722dsp
1692 gcrypt
1693 gmp
1694 golomb
1695 gplv3
1696 h263dsp
1697 h264chroma
1698 h264dsp
1699 h264pred
1700 h264qpel
1701 hpeldsp
1702 huffman
1703 huffyuvdsp
1704 huffyuvencdsp
1705 idctdsp
1706 iirfilter
1707 imdct15
1708 intrax8
1709 ividsp
1710 jpegtables
1711 libx262
1712 lgplv3
1713 lpc
1714 lzf
1715 me_cmp
1716 mpeg_er
1717 mpegaudio
1718 mpegaudiodsp
1719 mpegvideo
1720 mpegvideoenc
1721 mss34dsp
1722 pixblockdsp
1723 qpeldsp
1724 qsv
1725 qsvdec
1726 qsvenc
1727 rangecoder
1728 riffdec
1729 riffenc
1730 rtpdec
1731 rtpenc_chain
1732 rv34dsp
1733 sinewin
1734 snappy
1735 startcode
1736 texturedsp
1737 texturedspenc
1738 tpeldsp
1739 videodsp
1740 vp3dsp
1741 vp56dsp
1742 vp8dsp
1743 wma_freqs
1744 wmv2dsp
1745 "
1746
1747 CMDLINE_SELECT="
1748 $ARCH_EXT_LIST
1749 $CONFIG_LIST
1750 $HAVE_LIST_CMDLINE
1751 $THREADS_LIST
1752 asm
1753 cross_compile
1754 debug
1755 extra_warnings
1756 logging
1757 lto
1758 optimizations
1759 rpath
1760 "
1761
1762 PATHS_LIST="
1763 bindir
1764 datadir
1765 docdir
1766 incdir
1767 libdir
1768 mandir
1769 prefix
1770 shlibdir
1771 "
1772
1773 CMDLINE_SET="
1774 $PATHS_LIST
1775 ar
1776 arch
1777 as
1778 build_suffix
1779 cc
1780 objcc
1781 cpu
1782 cross_prefix
1783 custom_allocator
1784 dep_cc
1785 env
1786 extra_version
1787 host_cc
1788 host_cflags
1789 host_ld
1790 host_ldflags
1791 host_libs
1792 host_os
1793 ld
1794 logfile
1795 malloc_prefix
1796 nm
1797 optflags
1798 pkg_config
1799 pkg_config_flags
1800 random_seed
1801 samples
1802 sysinclude
1803 sysroot
1804 target_exec
1805 target_os
1806 target_path
1807 target_samples
1808 toolchain
1809 "
1810
1811 CMDLINE_APPEND="
1812 extra_cflags
1813 extra_objcflags
1814 host_cppflags
1815 "
1816
1817 # code dependency declarations
1818
1819 # architecture extensions
1820
1821 armv5te_deps="arm"
1822 armv6_deps="arm"
1823 armv6t2_deps="arm"
1824 armv8_deps="aarch64"
1825 neon_deps_any="aarch64 arm"
1826 intrinsics_neon_deps="neon"
1827 vfp_deps_any="aarch64 arm"
1828 vfpv3_deps="vfp"
1829
1830 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1831
1832 altivec_deps="ppc"
1833 ppc4xx_deps="ppc"
1834 vsx_deps="altivec"
1835 power8_deps="vsx"
1836
1837 cpunop_deps="i686"
1838 x86_64_select="i686"
1839 x86_64_suggest="fast_cmov"
1840
1841 amd3dnow_deps="mmx"
1842 amd3dnowext_deps="amd3dnow"
1843 i686_deps="x86"
1844 mmx_deps="x86"
1845 mmxext_deps="mmx"
1846 sse_deps="mmxext"
1847 sse2_deps="sse"
1848 sse3_deps="sse2"
1849 ssse3_deps="sse3"
1850 sse4_deps="ssse3"
1851 sse42_deps="sse4"
1852 avx_deps="sse42"
1853 xop_deps="avx"
1854 fma3_deps="avx"
1855 fma4_deps="avx"
1856 avx2_deps="avx"
1857
1858 mmx_external_deps="yasm"
1859 mmx_inline_deps="inline_asm"
1860 mmx_suggest="mmx_external mmx_inline"
1861
1862 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1863 eval dep=\$${ext}_deps
1864 eval ${ext}_external_deps='"${dep}_external"'
1865 eval ${ext}_inline_deps='"${dep}_inline"'
1866 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1867 done
1868
1869 aligned_stack_if_any="aarch64 ppc x86"
1870 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1871 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1872 fast_unaligned_if_any="aarch64 ppc x86"
1873 simd_align_16_if_any="altivec neon sse"
1874
1875 # system capabilities
1876 symver_if_any="symver_asm_label symver_gnu_asm"
1877 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
1878
1879 # threading support
1880 atomics_gcc_if="sync_val_compare_and_swap"
1881 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1882 atomics_win32_if="MemoryBarrier"
1883 atomics_native_if_any="$ATOMICS_LIST"
1884 w32threads_deps="atomics_native"
1885 threads_if_any="$THREADS_LIST"
1886
1887 # subsystems
1888 dct_select="rdft"
1889 dirac_parse_select="golomb"
1890 error_resilience_select="me_cmp"
1891 faandct_deps="faan fdctdsp"
1892 faanidct_deps="faan idctdsp"
1893 intrax8_select="error_resilience"
1894 mdct_select="fft"
1895 rdft_select="fft"
1896 me_cmp_select="fdctdsp idctdsp pixblockdsp"
1897 mpeg_er_select="error_resilience"
1898 mpegaudio_select="mpegaudiodsp"
1899 mpegaudiodsp_select="dct"
1900 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp videodsp"
1901 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
1902 nvenc_deps_any="dlopen LoadLibrary"
1903 nvenc_extralibs='$ldl'
1904 qsvdec_select="qsv"
1905 qsvenc_select="qsv"
1906
1907 # decoders / encoders
1908 aac_decoder_select="imdct15 mdct sinewin"
1909 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
1910 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1911 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
1912 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1913 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
1914 adpcm_g722_decoder_select="g722dsp"
1915 adpcm_g722_encoder_select="g722dsp"
1916 aic_decoder_select="golomb idctdsp"
1917 alac_encoder_select="lpc"
1918 als_decoder_select="bswapdsp"
1919 amrnb_decoder_select="lsp"
1920 amrwb_decoder_select="lsp"
1921 amv_decoder_select="sp5x_decoder"
1922 ape_decoder_select="bswapdsp"
1923 asv1_decoder_select="blockdsp bswapdsp idctdsp"
1924 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
1925 asv2_decoder_select="blockdsp bswapdsp idctdsp"
1926 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
1927 atrac1_decoder_select="mdct sinewin"
1928 atrac3_decoder_select="mdct"
1929 atrac3p_decoder_select="mdct sinewin"
1930 bink_decoder_select="blockdsp hpeldsp"
1931 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
1932 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
1933 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
1934 cllc_decoder_select="bswapdsp"
1935 comfortnoise_encoder_select="lpc"
1936 cook_decoder_select="audiodsp mdct sinewin"
1937 cscd_decoder_select="lzo"
1938 cscd_decoder_suggest="zlib"
1939 dca_decoder_select="fmtconvert mdct"
1940 dds_decoder_select="texturedsp"
1941 dnxhd_decoder_select="blockdsp idctdsp"
1942 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
1943 dvvideo_decoder_select="dvprofile idctdsp"
1944 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
1945 dxa_decoder_deps="zlib"
1946 dxv_decoder_select="lzf texturedsp"
1947 eac3_decoder_select="ac3_decoder"
1948 eac3_encoder_select="ac3_encoder"
1949 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
1950 eatgq_decoder_select="aandcttables idctdsp"
1951 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
1952 exr_decoder_deps="zlib"
1953 ffv1_decoder_select="golomb rangecoder"
1954 ffv1_encoder_select="rangecoder"
1955 ffvhuff_decoder_select="huffyuv_decoder"
1956 ffvhuff_encoder_select="huffyuv_encoder"
1957 fic_decoder_select="golomb"
1958 flac_decoder_select="flacdsp golomb"
1959 flac_encoder_select="bswapdsp flacdsp golomb lpc"
1960 flashsv_decoder_deps="zlib"
1961 flashsv_encoder_deps="zlib"
1962 flashsv2_decoder_deps="zlib"
1963 flv_decoder_select="h263_decoder"
1964 flv_encoder_select="h263_encoder"
1965 fourxm_decoder_select="blockdsp bswapdsp"
1966 fraps_decoder_select="bswapdsp huffman"
1967 g2m_decoder_deps="zlib"
1968 g2m_decoder_select="blockdsp idctdsp jpegtables"
1969 h261_decoder_select="mpeg_er mpegvideo"
1970 h261_encoder_select="aandcttables mpegvideoenc"
1971 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
1972 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1973 h263i_decoder_select="h263_decoder"
1974 h263p_encoder_select="h263_encoder"
1975 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
1976 h264_decoder_suggest="error_resilience"
1977 h264_nvenc_encoder_deps="nvenc"
1978 h264_qsv_decoder_deps="libmfx"
1979 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
1980 h264_qsv_encoder_deps="libmfx"
1981 h264_qsv_encoder_select="qsvenc"
1982 hap_decoder_select="snappy texturedsp"
1983 hap_encoder_deps="libsnappy"
1984 hap_encoder_select="texturedspenc"
1985 hevc_decoder_select="bswapdsp cabac golomb videodsp"
1986 hevc_nvenc_encoder_deps="nvenc"
1987 hevc_qsv_encoder_deps="libmfx"
1988 hevc_qsv_decoder_deps="libmfx"
1989 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
1990 hevc_qsv_encoder_select="qsvenc"
1991 huffyuv_decoder_select="bswapdsp huffyuvdsp"
1992 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
1993 iac_decoder_select="imc_decoder"
1994 imc_decoder_select="bswapdsp fft mdct sinewin"
1995 indeo3_decoder_select="hpeldsp"
1996 indeo4_decoder_select="ividsp"
1997 indeo5_decoder_select="ividsp"
1998 interplay_video_decoder_select="hpeldsp"
1999 jpegls_decoder_select="golomb mjpeg_decoder"
2000 jpegls_encoder_select="golomb"
2001 jv_decoder_select="blockdsp"
2002 lagarith_decoder_select="huffyuvdsp"
2003 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2004 loco_decoder_select="golomb"
2005 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2006 metasound_decoder_select="lsp mdct sinewin"
2007 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2008 mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
2009 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2010 mjpegb_decoder_select="mjpeg_decoder"
2011 mlp_decoder_select="mlp_parser"
2012 motionpixels_decoder_select="bswapdsp"
2013 mp1_decoder_select="mpegaudio"
2014 mp1float_decoder_select="mpegaudio"
2015 mp2_decoder_select="mpegaudio"
2016 mp2float_decoder_select="mpegaudio"
2017 mp3_decoder_select="mpegaudio"
2018 mp3adu_decoder_select="mpegaudio"
2019 mp3adufloat_decoder_select="mpegaudio"
2020 mp3float_decoder_select="mpegaudio"
2021 mp3on4_decoder_select="mpegaudio"
2022 mp3on4float_decoder_select="mpegaudio"
2023 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2024 mpc8_decoder_select="mpegaudiodsp"
2025 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2026 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2027 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2028 mpeg1video_encoder_select="aandcttables mpegvideoenc"
2029 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2030 mpeg2video_encoder_select="aandcttables mpegvideoenc"
2031 mpeg2_qsv_decoder_deps="libmfx"
2032 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel mpegvideo_parser"
2033 mpeg2_qsv_encoder_deps="libmfx"
2034 mpeg2_qsv_encoder_select="qsvenc"
2035 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2036 mpeg4_encoder_select="h263_encoder"
2037 msa1_decoder_select="mss34dsp"
2038 msmpeg4v1_decoder_select="h263_decoder"
2039 msmpeg4v2_decoder_select="h263_decoder"
2040 msmpeg4v2_encoder_select="h263_encoder"
2041 msmpeg4v3_decoder_select="h263_decoder"
2042 msmpeg4v3_encoder_select="h263_encoder"
2043 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
2044 mts2_decoder_select="mss34dsp"
2045 mxpeg_decoder_select="mjpeg_decoder"
2046 nellymoser_decoder_select="mdct sinewin"
2047 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2048 nuv_decoder_select="idctdsp lzo"
2049 nvenc_h264_encoder_deps="nvenc"
2050 nvenc_hevc_encoder_deps="nvenc"
2051 on2avc_decoder_select="mdct"
2052 opus_decoder_deps="avresample"
2053 opus_decoder_select="imdct15"
2054 png_decoder_deps="zlib"
2055 png_encoder_deps="zlib"
2056 png_encoder_select="huffyuvencdsp"
2057 prores_decoder_select="idctdsp"
2058 prores_encoder_select="fdctdsp"
2059 qcelp_decoder_select="lsp"
2060 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2061 ra_144_encoder_select="audio_frame_queue lpc"
2062 ralf_decoder_select="golomb"
2063 rscc_decoder_deps="zlib"
2064 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2065 rv10_encoder_select="h263_encoder"
2066 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2067 rv20_encoder_select="h263_encoder"
2068 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2069 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2070 screenpresso_decoder_deps="zlib"
2071 shorten_decoder_select="golomb"
2072 sipr_decoder_select="lsp"
2073 sp5x_decoder_select="mjpeg_decoder"
2074 svq1_decoder_select="hpeldsp"
2075 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2076 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2077 svq3_decoder_suggest="zlib"
2078 tak_decoder_select="audiodsp"
2079 tdsc_decoder_deps="zlib"
2080 tdsc_decoder_select="mjpeg_decoder"
2081 theora_decoder_select="vp3_decoder"
2082 thp_decoder_select="mjpeg_decoder"
2083 tiff_decoder_suggest="zlib"
2084 tiff_encoder_suggest="zlib"
2085 truehd_decoder_select="mlp_decoder"
2086 truemotion2_decoder_select="bswapdsp"
2087 truespeech_decoder_select="bswapdsp"
2088 tscc_decoder_deps="zlib"
2089 txd_decoder_select="texturedsp"
2090 twinvq_decoder_select="mdct lsp sinewin"
2091 utvideo_decoder_select="bswapdsp"
2092 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2093 vble_decoder_select="huffyuvdsp"
2094 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
2095 vc1image_decoder_select="vc1_decoder"
2096 vorbis_decoder_select="mdct"
2097 vorbis_encoder_select="mdct"
2098 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2099 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2100 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2101 vp6a_decoder_select="vp6_decoder"
2102 vp6f_decoder_select="vp6_decoder"
2103 vp7_decoder_select="h264pred videodsp vp8dsp"
2104 vp8_decoder_select="h264pred videodsp vp8dsp"
2105 vp9_decoder_select="videodsp"
2106 webp_decoder_select="vp8_decoder"
2107 wmapro_decoder_select="mdct sinewin wma_freqs"
2108 wmav1_decoder_select="mdct sinewin wma_freqs"
2109 wmav1_encoder_select="mdct sinewin wma_freqs"
2110 wmav2_decoder_select="mdct sinewin wma_freqs"
2111 wmav2_encoder_select="mdct sinewin wma_freqs"
2112 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2113 wmv1_decoder_select="h263_decoder"
2114 wmv1_encoder_select="h263_encoder"
2115 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2116 wmv2_encoder_select="h263_encoder wmv2dsp"
2117 wmv3_decoder_select="vc1_decoder"
2118 wmv3image_decoder_select="wmv3_decoder"
2119 zerocodec_decoder_deps="zlib"
2120 zlib_decoder_deps="zlib"
2121 zlib_encoder_deps="zlib"
2122 zmbv_decoder_deps="zlib"
2123 zmbv_encoder_deps="zlib"
2124
2125 # hardware accelerators
2126 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2127 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2128 vaapi_deps="va_va_h"
2129 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2130 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2131 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2132
2133 h263_vaapi_hwaccel_deps="vaapi"
2134 h263_vaapi_hwaccel_select="h263_decoder"
2135 h264_d3d11va_hwaccel_deps="d3d11va"
2136 h264_d3d11va_hwaccel_select="h264_decoder"
2137 h264_dxva2_hwaccel_deps="dxva2"
2138 h264_dxva2_hwaccel_select="h264_decoder"
2139 h264_mmal_decoder_deps="mmal"
2140 h264_mmal_hwaccel_deps="mmal"
2141 h264_mmal_decoder_select="h264_decoder"
2142 h264_mmal_encoder_deps="mmal"
2143 h264_qsv_hwaccel_deps="libmfx"
2144 h264_vaapi_hwaccel_deps="vaapi"
2145 h264_vaapi_hwaccel_select="h264_decoder"
2146 h264_vda_hwaccel_deps="vda"
2147 h264_vda_hwaccel_select="h264_decoder"
2148 h264_vda_old_hwaccel_deps="vda"
2149 h264_vda_old_hwaccel_select="h264_decoder"
2150 h264_vdpau_hwaccel_deps="vdpau"
2151 h264_vdpau_hwaccel_select="h264_decoder"
2152 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2153 hevc_d3d11va_hwaccel_select="hevc_decoder"
2154 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2155 hevc_dxva2_hwaccel_select="hevc_decoder"
2156 hevc_qsv_hwaccel_deps="libmfx"
2157 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2158 hevc_vdpau_hwaccep_select="hevc_decoder"
2159 mpeg1_vdpau_hwaccel_deps="vdpau"
2160 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2161 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2162 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2163 mpeg2_dxva2_hwaccel_deps="dxva2"
2164 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2165 mpeg2_qsv_hwaccel_deps="libmfx"
2166 mpeg2_vaapi_hwaccel_deps="vaapi"
2167 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2168 mpeg2_vdpau_hwaccel_deps="vdpau"
2169 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2170 mpeg4_vaapi_hwaccel_deps="vaapi"
2171 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2172 mpeg4_vdpau_hwaccel_deps="vdpau"
2173 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2174 vc1_d3d11va_hwaccel_deps="d3d11va"
2175 vc1_d3d11va_hwaccel_select="vc1_decoder"
2176 vc1_dxva2_hwaccel_deps="dxva2"
2177 vc1_dxva2_hwaccel_select="vc1_decoder"
2178 vc1_vaapi_hwaccel_deps="vaapi"
2179 vc1_vaapi_hwaccel_select="vc1_decoder"
2180 vc1_vdpau_hwaccel_deps="vdpau"
2181 vc1_vdpau_hwaccel_select="vc1_decoder"
2182 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2183 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2184 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2185 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2186
2187 # parsers
2188 h264_parser_select="h264_decoder"
2189 hevc_parser_select="golomb"
2190 mpegvideo_parser_select="mpegvideo"
2191 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
2192 vc1_parser_select="mpegvideo startcode vc1_decoder"
2193
2194 # bitstream_filters
2195 mjpeg2jpeg_bsf_select="jpegtables"
2196
2197 # external libraries
2198 libdcadec_decoder_deps="libdcadec"
2199 libfaac_encoder_deps="libfaac"
2200 libfaac_encoder_select="audio_frame_queue"
2201 libfdk_aac_decoder_deps="libfdk_aac"
2202 libfdk_aac_encoder_deps="libfdk_aac"
2203 libfdk_aac_encoder_select="audio_frame_queue"
2204 libgsm_decoder_deps="libgsm"
2205 libgsm_encoder_deps="libgsm"
2206 libgsm_ms_decoder_deps="libgsm"
2207 libgsm_ms_encoder_deps="libgsm"
2208 libilbc_decoder_deps="libilbc"
2209 libilbc_encoder_deps="libilbc"
2210 libkvazaar_encoder_deps="libkvazaar"
2211 libmp3lame_encoder_deps="libmp3lame"
2212 libmp3lame_encoder_select="audio_frame_queue"
2213 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2214 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2215 libopencore_amrnb_encoder_select="audio_frame_queue"
2216 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2217 libopenh264_encoder_deps="libopenh264"
2218 libopenjpeg_decoder_deps="libopenjpeg"
2219 libopenjpeg_encoder_deps="libopenjpeg"
2220 libopus_decoder_deps="libopus"
2221 libopus_encoder_deps="libopus"
2222 libopus_encoder_select="audio_frame_queue"
2223 libschroedinger_decoder_deps="libschroedinger"
2224 libschroedinger_encoder_deps="libschroedinger"
2225 libspeex_decoder_deps="libspeex"
2226 libspeex_encoder_deps="libspeex"
2227 libspeex_encoder_select="audio_frame_queue"
2228 libtheora_encoder_deps="libtheora"
2229 libtwolame_encoder_deps="libtwolame"
2230 libvo_aacenc_encoder_deps="libvo_aacenc"
2231 libvo_aacenc_encoder_select="audio_frame_queue"
2232 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2233 libvorbis_encoder_deps="libvorbis"
2234 libvorbis_encoder_select="audio_frame_queue"
2235 libvpx_vp8_decoder_deps="libvpx"
2236 libvpx_vp8_encoder_deps="libvpx"
2237 libvpx_vp9_decoder_deps="libvpx"
2238 libvpx_vp9_encoder_deps="libvpx"
2239 libwavpack_encoder_deps="libwavpack"
2240 libwebp_encoder_deps="libwebp"
2241 libx262_encoder_deps="libx262"
2242 libx264_encoder_deps="libx264"
2243 libx265_encoder_deps="libx265"
2244 libxavs_encoder_deps="libxavs"
2245 libxvid_encoder_deps="libxvid"
2246
2247 # demuxers / muxers
2248 ac3_demuxer_select="ac3_parser"
2249 asf_demuxer_select="riffdec"
2250 asf_muxer_select="riffenc"
2251 asf_stream_muxer_select="asf_muxer"
2252 avi_demuxer_select="riffdec"
2253 avi_muxer_select="riffenc"
2254 avisynth_demuxer_deps="avisynth"
2255 avisynth_demuxer_select="riffdec"
2256 caf_demuxer_select="riffdec"
2257 dash_muxer_select="mp4_muxer"
2258 dirac_demuxer_select="dirac_parser"
2259 dv_demuxer_select="dvprofile"
2260 dv_muxer_select="dvprofile"
2261 dxa_demuxer_select="riffdec"
2262 eac3_demuxer_select="ac3_parser"
2263 f4v_muxer_select="mov_muxer"
2264 flac_demuxer_select="flac_parser"
2265 hds_muxer_select="flv_muxer"
2266 hls_muxer_select="mpegts_muxer"
2267 ipod_muxer_select="mov_muxer"
2268 ismv_muxer_select="mov_muxer"
2269 matroska_audio_muxer_select="matroska_muxer"
2270 matroska_demuxer_select="riffdec"
2271 matroska_demuxer_suggest="bzlib lzo zlib"
2272 matroska_muxer_select="riffenc"
2273 mmf_muxer_select="riffenc"
2274 mov_demuxer_select="riffdec"
2275 mov_demuxer_suggest="zlib"
2276 mov_muxer_select="riffenc rtpenc_chain"
2277 mp3_demuxer_select="mpegaudio_parser"
2278 mp4_muxer_select="mov_muxer"
2279 mpegts_muxer_select="adts_muxer latm_muxer"
2280 mpegtsraw_demuxer_select="mpegts_demuxer"
2281 mxf_d10_muxer_select="mxf_muxer"
2282 nut_muxer_select="riffenc"
2283 nuv_demuxer_select="riffdec"
2284 oga_muxer_select="ogg_muxer"
2285 ogg_demuxer_select="dirac_parse"
2286 opus_muxer_select="ogg_muxer"
2287 psp_muxer_select="mov_muxer"
2288 rtp_demuxer_select="sdp_demuxer"
2289 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2290 rtsp_demuxer_select="http_protocol rtpdec"
2291 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2292 sap_demuxer_select="sdp_demuxer"
2293 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2294 sdp_demuxer_select="rtpdec"
2295 smoothstreaming_muxer_select="ismv_muxer"
2296 spdif_muxer_select="aac_parser"
2297 spx_muxer_select="ogg_muxer"
2298 swf_demuxer_suggest="zlib"
2299 tak_demuxer_select="tak_parser"
2300 tg2_muxer_select="mov_muxer"
2301 tgp_muxer_select="mov_muxer"
2302 w64_demuxer_select="wav_demuxer"
2303 wav_demuxer_select="riffdec"
2304 wav_muxer_select="riffenc"
2305 webm_muxer_select="riffenc"
2306 webm_muxer_suggest="libopus_encoder libvorbis_encoder libvpx_vp8_encoder libvpx_vp9_encoder"
2307 wtv_demuxer_select="riffdec"
2308 xmv_demuxer_select="riffdec"
2309 xwma_demuxer_select="riffdec"
2310
2311 # indevs / outdevs
2312 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2313 alsa_outdev_deps="alsa_asoundlib_h"
2314 avfoundation_indev_deps="AVFoundation_AVFoundation_h"
2315 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2316 dv1394_indev_deps="dv1394"
2317 dv1394_indev_select="dv_demuxer"
2318 fbdev_indev_deps="linux_fb_h"
2319 jack_indev_deps="jack_jack_h pthreads"
2320 libcdio_indev_deps="libcdio"
2321 libdc1394_indev_deps="libdc1394"
2322 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2323 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2324 pulse_indev_deps="libpulse"
2325 sndio_indev_deps="sndio_h"
2326 sndio_outdev_deps="sndio_h"
2327 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2328 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2329 vfwcap_indev_extralibs="-lavicap32"
2330 x11grab_indev_deps="x11grab"
2331 x11grab_xcb_indev_deps="libxcb"
2332
2333 # protocols
2334 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2335 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2336 ffrtmpcrypt_protocol_select="tcp_protocol"
2337 ffrtmphttp_protocol_deps="!librtmp_protocol"
2338 ffrtmphttp_protocol_select="http_protocol"
2339 gopher_protocol_select="network"
2340 http_protocol_select="tcp_protocol"
2341 httpproxy_protocol_select="tcp_protocol"
2342 https_protocol_select="tls_protocol"
2343 icecast_protocol_select="http_protocol"
2344 librtmp_protocol_deps="librtmp"
2345 librtmpe_protocol_deps="librtmp"
2346 librtmps_protocol_deps="librtmp"
2347 librtmpt_protocol_deps="librtmp"
2348 librtmpte_protocol_deps="librtmp"
2349 mmsh_protocol_select="http_protocol"
2350 mmst_protocol_select="network"
2351 rtmp_protocol_deps="!librtmp_protocol"
2352 rtmp_protocol_select="tcp_protocol"
2353 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2354 rtmps_protocol_deps="!librtmp_protocol"
2355 rtmps_protocol_select="tls_protocol"
2356 rtmpt_protocol_select="ffrtmphttp_protocol"
2357 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2358 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2359 rtp_protocol_select="udp_protocol"
2360 sctp_protocol_deps="struct_sctp_event_subscribe"
2361 sctp_protocol_select="network"
2362 srtp_protocol_select="rtp_protocol"
2363 tcp_protocol_select="network"
2364 tls_gnutls_protocol_deps="gnutls"
2365 tls_gnutls_protocol_select="tcp_protocol"
2366 tls_openssl_protocol_deps="openssl !tls_gnutls_protocol"
2367 tls_openssl_protocol_select="tcp_protocol"
2368 tls_protocol_select_any="tls_gnutls_protocol tls_openssl_protocol"
2369 udp_protocol_select="network"
2370 unix_protocol_deps="sys_un_h"
2371 unix_protocol_select="network"
2372
2373 # filters
2374 blackframe_filter_deps="gpl"
2375 boxblur_filter_deps="gpl"
2376 bs2b_filter_deps="libbs2b"
2377 cropdetect_filter_deps="gpl"
2378 delogo_filter_deps="gpl"
2379 drawtext_filter_deps="libfreetype"
2380 frei0r_filter_deps="frei0r dlopen"
2381 frei0r_filter_extralibs='$ldl'
2382 frei0r_src_filter_deps="frei0r dlopen"
2383 frei0r_src_filter_extralibs='$ldl'
2384 hqdn3d_filter_deps="gpl"
2385 interlace_filter_deps="gpl"
2386 ocv_filter_deps="libopencv"
2387 resample_filter_deps="avresample"
2388 scale_filter_deps="swscale"
2389
2390 # examples
2391 avcodec_example_deps="avcodec avutil"
2392 filter_audio_example_deps="avfilter avutil"
2393 metadata_example_deps="avformat avutil"
2394 output_example_deps="avcodec avformat avutil swscale"
2395 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2396 transcode_aac_example_deps="avcodec avformat avresample"
2397
2398 # libraries, in linking order
2399 avcodec_deps="avutil"
2400 avdevice_deps="avformat avcodec avutil"
2401 avfilter_deps="avutil"
2402 avformat_deps="avcodec avutil"
2403 avresample_deps="avutil"
2404 swscale_deps="avutil"
2405
2406 # programs
2407 avconv_deps="avcodec avfilter avformat avresample swscale"
2408 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2409 fps_filter null_filter resample_filter scale_filter
2410 setpts_filter trim_filter"
2411 avplay_deps="avcodec avfilter avformat avresample sdl"
2412 avplay_libs='$sdl_libs'
2413 avplay_select="rdft format_filter transpose_filter hflip_filter vflip_filter"
2414 avprobe_deps="avcodec avformat"
2415
2416 # documentation
2417 pod2man_deps="doc"
2418 texi2html_deps="doc"
2419
2420 # default parameters
2421
2422 logfile="config.log"
2423
2424 # installation paths
2425 prefix_default="/usr/local"
2426 bindir_default='${prefix}/bin'
2427 datadir_default='${prefix}/share/avconv'
2428 docdir_default='${prefix}/share/doc/libav'
2429 incdir_default='${prefix}/include'
2430 libdir_default='${prefix}/lib'
2431 mandir_default='${prefix}/share/man'
2432 shlibdir_default="$libdir_default"
2433
2434 # toolchain
2435 ar_default="ar"
2436 cc_default="gcc"
2437 host_cc_default="gcc"
2438 cp_f="cp -f"
2439 ln_s="ln -s -f"
2440 nm_default="nm -g"
2441 objformat="elf"
2442 pkg_config_default=pkg-config
2443 ranlib="ranlib"
2444 strip="strip"
2445 yasmexe="yasm"
2446
2447 # machine
2448 arch_default=$(uname -m)
2449 cpu="generic"
2450 intrinsics="none"
2451
2452 # OS
2453 target_os_default=$(tolower $(uname -s))
2454 host_os=$target_os_default
2455
2456 # configurable options
2457 enable asm
2458 enable debug
2459 enable doc
2460 enable faan faandct faanidct
2461 enable optimizations
2462 enable safe_bitstream_reader
2463 enable static
2464 enable swscale_alpha
2465 enable valgrind_backtrace
2466
2467 # By default, enable only those hwaccels that have no external dependencies.
2468 enable d3d11va dxva2 vda vdpau
2469
2470 # build settings
2471 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2472 LIBPREF="lib"
2473 LIBSUF=".a"
2474 FULLNAME='$(NAME)$(BUILDSUF)'
2475 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2476 SLIBPREF="lib"
2477 SLIBSUF=".so"
2478 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2479 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2480 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2481 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2482 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2483 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2484
2485 asflags_filter=echo
2486 cflags_filter=echo
2487 ldflags_filter=echo
2488
2489 AS_C='-c'
2490 AS_O='-o $@'
2491 CC_C='-c'
2492 CC_E='-E -o $@'
2493 CC_O='-o $@'
2494 OBJCC_C='-c'
2495 OBJCC_E='-E -o $@'
2496 OBJCC_O='-o $@'
2497 LD_O='-o $@'
2498 LD_LIB='-l%'
2499 LD_PATH='-L'
2500 HOSTCC_C='-c'
2501 HOSTCC_E='-E -o $@'
2502 HOSTCC_O='-o $@'
2503 HOSTLD_O='-o $@'
2504
2505 host_libs='-lm'
2506 host_cflags_filter=echo
2507 host_ldflags_filter=echo
2508
2509 target_path='$(CURDIR)'
2510
2511 # since the object filename is not given with the -MM flag, the compiler
2512 # is only able to print the basename, and we must add the path ourselves
2513 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2514 DEPFLAGS='-MM'
2515
2516 # find source path
2517 if test -f configure; then
2518 source_path=.
2519 else
2520 source_path=$(cd $(dirname "$0"); pwd)
2521 echo "$source_path" | grep -q '[[:blank:]]' &&
2522 die "Out of tree builds are impossible with whitespace in source path."
2523 test -e "$source_path/config.h" &&
2524 die "Out of tree builds are impossible with config.h in source dir."
2525 fi
2526
2527 for v in "$@"; do
2528 r=${v#*=}
2529 l=${v%"$r"}
2530 r=$(sh_quote "$r")
2531 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2532 done
2533
2534 find_things(){
2535 thing=$1
2536 pattern=$2
2537 file=$source_path/$3
2538 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2539 }
2540
2541 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2542 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2543 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2544 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2545 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2546 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2547 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2548 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2549 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2550 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2551 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2552
2553 ALL_COMPONENTS="
2554 $BSF_LIST
2555 $DECODER_LIST
2556 $DEMUXER_LIST
2557 $ENCODER_LIST
2558 $FILTER_LIST
2559 $HWACCEL_LIST
2560 $INDEV_LIST
2561 $MUXER_LIST
2562 $OUTDEV_LIST
2563 $PARSER_LIST
2564 $PROTOCOL_LIST
2565 "
2566
2567 enable $ARCH_EXT_LIST
2568
2569 die_unknown(){
2570 echo "Unknown option \"$1\"."
2571 echo "See $0 --help for available options."
2572 exit 1
2573 }
2574
2575 print_3_columns() {
2576 printf "%-25s %-25s %-25s\n" $(cat | tr ' ' '\n' | sort)
2577 }
2578
2579 show_list() {
2580 suffix=_$1
2581 shift
2582 echo $* | sed s/$suffix//g | print_3_columns
2583 exit 0
2584 }
2585
2586 rand_list(){
2587 IFS=', '
2588 set -- $*
2589 unset IFS
2590 for thing; do
2591 comp=${thing%:*}
2592 prob=${thing#$comp}
2593 prob=${prob#:}
2594 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2595 echo "prob ${prob:-0.5}"
2596 printf '%s\n' $comp
2597 done
2598 }
2599
2600 do_random(){
2601 action=$1
2602 shift
2603 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2604 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2605 }
2606
2607 for opt do
2608 optval="${opt#*=}"
2609 case "$opt" in
2610 --extra-ldflags=*)
2611 add_ldflags $optval
2612 ;;
2613 --extra-ldexeflags=*)
2614 add_ldexeflags $optval
2615 ;;
2616 --extra-libs=*)
2617 add_extralibs $optval
2618 ;;
2619 --disable-devices)
2620 disable $INDEV_LIST $OUTDEV_LIST
2621 ;;
2622 --enable-debug=*)
2623 debuglevel="$optval"
2624 ;;
2625 --disable-programs)
2626 disable $PROGRAM_LIST
2627 ;;
2628 --disable-everything)
2629 map 'eval disable \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2630 enable_deep_force $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2631 ;;
2632 --disable-all)
2633 map 'eval disable \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2634 disable $LIBRARY_LIST $PROGRAM_LIST doc
2635 ;;
2636 --enable-random|--disable-random)
2637 action=${opt%%-random}
2638 do_random ${action#--} $COMPONENT_LIST
2639 ;;
2640 --enable-random=*|--disable-random=*)
2641 action=${opt%%-random=*}
2642 do_random ${action#--} $optval
2643 ;;
2644 --enable-*=*|--disable-*=*)
2645 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2646 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2647 eval list=\$$(toupper $thing)_LIST
2648 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2649 test $action = enable && action="request"
2650 $action $(filter "$name" $list)
2651 ;;
2652 --enable-avserver|--disable-avserver*)
2653 warn "avserver has been removed, the ${opt} option is only"\
2654 "provided for compatibility and will be removed in the future"
2655 ;;
2656 --enable-?*|--disable-?*)
2657 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2658 test $action = enable && action="request"
2659 if is_in $option $COMPONENT_LIST; then
2660 eval $action \$$(toupper ${option%s})_LIST
2661 elif is_in $option $CMDLINE_SELECT; then
2662 $action $option
2663 else
2664 die_unknown $opt
2665 fi
2666 ;;
2667 --list-*)
2668 NAME="${opt#--list-}"
2669 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2670 NAME=${NAME%s}
2671 eval show_list $NAME \$$(toupper $NAME)_LIST
2672 ;;
2673 --help|-h) show_help
2674 ;;
2675 *)
2676 optname="${opt%%=*}"
2677 optname="${optname#--}"
2678 optname=$(echo "$optname" | sed 's/-/_/g')
2679 if is_in $optname $CMDLINE_SET; then
2680 eval $optname='$optval'
2681 elif is_in $optname $CMDLINE_APPEND; then
2682 append $optname "$optval"
2683 else
2684 die_unknown $opt
2685 fi
2686 ;;
2687 esac
2688 done
2689
2690 for e in $env; do
2691 eval "export $e"
2692 done
2693
2694 disabled logging && logfile=/dev/null
2695
2696 # Enable the default components if not disabled explicitly
2697
2698 enable_weak $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2699
2700 # Disable all the library-specific components if the library itself
2701 # is disabled, see AVCODEC_LIST and following _LIST variables.
2702
2703 disable_components(){
2704 disabled ${1} && disable_weak $(
2705 eval components="\$$(toupper ${1})_COMPONENTS"
2706 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
2707 )
2708 }
2709
2710 map 'disable_components $v' $LIBRARY_LIST
2711
2712 # Mark components that had not been enabled/disabled explicitly
2713 # as enabled
2714
2715 for n in $COMPONENT_LIST; do
2716 v=$(toupper ${n%s})_LIST
2717 eval enable_weak \$$v
2718 eval ${n}_if_any="\$$v"
2719 done
2720
2721 # Make so that disabled libraries are enabled if a component
2722 # of them is requested
2723
2724 for n in $LIBRARY_LIST; do
2725 v=$(toupper ${n})_COMPONENTS
2726 eval ${n}_if_any="\$$v"
2727 done
2728
2729 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2730 set >> $logfile
2731
2732 case "$toolchain" in
2733 *-asan)
2734 cc_default="${toolchain%-asan}"
2735 add_cflags -fsanitize=address
2736 add_ldflags -fsanitize=address
2737 ;;
2738 *-tsan)
2739 cc_default="${toolchain%-tsan}"
2740 add_cflags -fsanitize=thread -pie
2741 add_ldflags -fsanitize=thread -pie
2742 case "$toolchain" in
2743 gcc-tsan)
2744 add_cflags -fPIC
2745 add_ldflags -fPIC
2746 ;;
2747 esac
2748 ;;
2749 *-usan)
2750 cc_default="${toolchain%-usan}"
2751 add_cflags -fsanitize=undefined
2752 add_ldflags -fsanitize=undefined
2753 case "$toolchain" in
2754 clang-usan)
2755 add_cflags -O1
2756 ;;
2757 esac
2758 ;;
2759 valgrind-*)
2760 target_exec_default="valgrind"
2761 case "$toolchain" in
2762 valgrind-massif)
2763 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2764 ;;
2765 valgrind-memcheck)
2766 target_exec_args="--track-origins=yes --leak-check=full"
2767 ;;
2768 esac
2769 ;;
2770 msvc)
2771 # Check whether the current MSVC version needs the C99 converter.
2772 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2773 # support enough of C99 to build libav. Default to the new
2774 # behaviour if the regexp was unable to match anything, since this
2775 # successfully parses the version number of existing supported
2776 # versions that require the converter (MSVC 2010 and 2012).
2777 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2778 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2779 cc_default="cl"
2780 else
2781 cc_default="c99wrap cl"
2782 fi
2783 ld_default="$source_path/compat/windows/mslink"
2784 nm_default="dumpbin -symbols"
2785 ar_default="lib"
2786 case "$arch" in
2787 arm*)
2788 as_default="armasm"
2789 ;;
2790 esac
2791 target_os_default="win32"
2792 # Use a relative path for TMPDIR. This makes sure all the
2793 # ffconf temp files are written with a relative path, avoiding
2794 # issues with msys/win32 path conversion for MSVC parameters
2795 # such as -Fo<file> or -out:<file>.
2796 TMPDIR=.
2797 ;;
2798 icl)
2799 cc_default="icl"
2800 ld_default="xilink"
2801 nm_default="dumpbin -symbols"
2802 ar_default="xilib"
2803 target_os_default="win32"
2804 TMPDIR=.
2805 ;;
2806 gcov)
2807 add_cflags -fprofile-arcs -ftest-coverage
2808 add_ldflags -fprofile-arcs -ftest-coverage
2809 ;;
2810 hardened)
2811 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
2812 add_cflags -fno-strict-overflow -fstack-protector-all
2813 add_ldflags -Wl,-z,relro -Wl,-z,now
2814 ;;
2815 ?*)
2816 die "Unknown toolchain $toolchain"
2817 ;;
2818 esac
2819
2820 test -n "$cross_prefix" && enable cross_compile
2821
2822 if enabled cross_compile; then
2823 test -n "$arch" && test -n "$target_os" ||
2824 die "Must specify target arch and OS when cross-compiling"
2825 fi
2826
2827 ar_default="${cross_prefix}${ar_default}"
2828 cc_default="${cross_prefix}${cc_default}"
2829 occ_default="${cross_prefix}${occ_default}"
2830 nm_default="${cross_prefix}${nm_default}"
2831 pkg_config_default="${cross_prefix}${pkg_config_default}"
2832 ranlib="${cross_prefix}${ranlib}"
2833 strip="${cross_prefix}${strip}"
2834
2835 sysinclude_default="${sysroot}/usr/include"
2836
2837 set_default arch cc pkg_config sysinclude target_exec target_os
2838 enabled cross_compile || host_cc_default=$cc
2839 set_default host_cc
2840
2841 if ! $pkg_config --version >/dev/null 2>&1; then
2842 warn "$pkg_config not found, library detection may fail."
2843 pkg_config=false
2844 fi
2845
2846 exesuf() {
2847 case $1 in
2848 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2849 esac
2850 }
2851
2852 EXESUF=$(exesuf $target_os)
2853 HOSTEXESUF=$(exesuf $host_os)
2854
2855 # set temporary file name
2856 : ${TMPDIR:=$TEMPDIR}
2857 : ${TMPDIR:=$TMP}
2858 : ${TMPDIR:=/tmp}
2859
2860 if ! check_cmd mktemp -u XXXXXX; then
2861 # simple replacement for missing mktemp
2862 # NOT SAFE FOR GENERAL USE
2863 mktemp(){
2864 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2865 }
2866 fi
2867
2868 tmpfile(){
2869 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2870 (set -C; exec > $tmp) 2>/dev/null ||
2871 die "Unable to create temporary file in $TMPDIR."
2872 append TMPFILES $tmp
2873 eval $1=$tmp
2874 }
2875
2876 trap 'rm -f -- $TMPFILES' EXIT
2877
2878 tmpfile TMPASM .asm
2879 tmpfile TMPC .c
2880 tmpfile TMPE $EXESUF
2881 tmpfile TMPH .h
2882 tmpfile TMPO .o
2883 tmpfile TMPS .S
2884 tmpfile TMPSH .sh
2885 tmpfile TMPV .ver
2886
2887 unset -f mktemp
2888
2889 chmod +x $TMPE
2890
2891 # make sure we can execute files in $TMPDIR
2892 cat > $TMPSH 2>> $logfile <<EOF
2893 #! /bin/sh
2894 EOF
2895 chmod +x $TMPSH >> $logfile 2>&1
2896 if ! $TMPSH >> $logfile 2>&1; then
2897 cat <<EOF
2898 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2899 variable to another directory and make sure that it is not mounted noexec.
2900 EOF
2901 die "Sanity test failed."
2902 fi
2903
2904 armasm_flags(){
2905 for flag; do
2906 case $flag in
2907 # Filter out MSVC cl.exe options from cflags that shouldn't
2908 # be passed to gas-preprocessor
2909 -M[TD]*) ;;
2910 *) echo $flag ;;
2911 esac
2912 done
2913 }
2914
2915 ccc_flags(){
2916 for flag; do
2917 case $flag in
2918 -std=c99) echo -c99 ;;
2919 -mcpu=*) echo -arch ${flag#*=} ;;
2920 -mieee) echo -ieee ;;
2921 -O*|-fast) echo $flag ;;
2922 -fno-math-errno) echo -assume nomath_errno ;;
2923 -g) echo -g3 ;;
2924 -Wall) echo -msg_enable level2 ;;
2925 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2926 -Wl,*) echo $flag ;;
2927 -f*|-W*) ;;
2928 *) echo $flag ;;
2929 esac
2930 done
2931 }
2932
2933 cparser_flags(){
2934 for flag; do
2935 case $flag in
2936 -Wno-switch) echo -Wno-switch-enum ;;
2937 -Wno-format-zero-length) ;;
2938 -Wdisabled-optimization) ;;
2939 -Wno-pointer-sign) echo -Wno-other ;;
2940 *) echo $flag ;;
2941 esac
2942 done
2943 }
2944
2945 msvc_common_flags(){
2946 for flag; do
2947 case $flag in
2948 # In addition to specifying certain flags under the compiler
2949 # specific filters, they must be specified here as well or else the
2950 # generic catch all at the bottom will print the original flag.
2951 -Wall) ;;
2952 -std=c99) ;;
2953 # Common flags
2954 -fomit-frame-pointer) ;;
2955 -g) echo -Z7 ;;
2956 -fno-math-errno) ;;
2957 -fno-common) ;;
2958 -fno-signed-zeros) ;;
2959 -fPIC) ;;
2960 -mthumb) ;;
2961 -march=*) ;;
2962 -lz) echo zlib.lib ;;
2963 -lavifil32) echo vfw32.lib ;;
2964 -lavicap32) echo vfw32.lib user32.lib ;;
2965 -lx264) echo libx264.lib ;;
2966 -l*) echo ${flag#-l}.lib ;;
2967 -L*) echo -libpath:${flag#-L} ;;
2968 *) echo $flag ;;
2969 esac
2970 done
2971 }
2972
2973 msvc_flags(){
2974 msvc_common_flags "$@"
2975 for flag; do
2976 case $flag in
2977 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2978 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2979 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2980 -wd4273 -wd4554 -wd4701 ;;
2981 esac
2982 done
2983 }
2984
2985 icl_flags(){
2986 msvc_common_flags "$@"
2987 for flag; do
2988 case $flag in
2989 # Despite what Intel's documentation says -Wall, which is supported
2990 # on Windows, does enable remarks so disable them here.
2991 -Wall) echo $flag -Qdiag-disable:remark ;;
2992 -std=c99) echo -Qstd=c99 ;;
2993 esac
2994 done
2995 }
2996
2997 pgi_flags(){
2998 for flag; do
2999 case $flag in
3000 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3001 -fomit-frame-pointer) echo -Mnoframe ;;
3002 -g) echo -gopt ;;
3003 *) echo $flag ;;
3004 esac
3005 done
3006 }
3007
3008 suncc_flags(){
3009 for flag; do
3010 case $flag in
3011 -march=*|-mcpu=*)
3012 case "${flag#*=}" in
3013 native) echo -xtarget=native ;;
3014 v9|niagara) echo -xarch=sparc ;;
3015 ultrasparc) echo -xarch=sparcvis ;;
3016 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3017 i586|pentium) echo -xchip=pentium ;;
3018 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3019 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3020 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3021 pentium4*) echo -xtarget=pentium4 ;;
3022 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3023 *-sse3) echo -xarch=sse3 ;;
3024 core2) echo -xarch=ssse3 -xchip=core2 ;;
3025 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
3026 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
3027 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
3028 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3029 k8|opteron|athlon64|athlon-fx)
3030 echo -xarch=sse2a ;;
3031 athlon*) echo -xarch=pentium_proa ;;
3032 esac
3033 ;;
3034 -std=c99) echo -xc99 ;;
3035 -fomit-frame-pointer) echo -xregs=frameptr ;;
3036 -fPIC) echo -KPIC -xcode=pic32 ;;
3037 -W*,*) echo $flag ;;
3038 -f*-*|-W*|-mimpure-text) ;;
3039 -shared) echo -G ;;
3040 *) echo $flag ;;
3041 esac
3042 done
3043 }
3044
3045 tms470_flags(){
3046 for flag; do
3047 case $flag in
3048 -march=*|-mcpu=*)
3049 case "${flag#*=}" in
3050 armv7-a|cortex-a*) echo -mv=7a8 ;;
3051 armv7-r|cortex-r*) echo -mv=7r4 ;;
3052 armv7-m|cortex-m*) echo -mv=7m3 ;;
3053 armv6*|arm11*) echo -mv=6 ;;
3054 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3055 echo -mv=5e ;;
3056 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3057 esac
3058 ;;
3059 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3060 -mfpu=vfp) echo --float_support=vfpv2 ;;
3061 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3062 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3063 -msoft-float) echo --float_support=vfplib ;;
3064 -O[0-3]|-mf=*) echo $flag ;;
3065 -g) echo -g -mn ;;
3066 -pds=*) echo $flag ;;
3067 -D*|-I*) echo $flag ;;
3068 --gcc|--abi=*) echo $flag ;;
3069 -me) echo $flag ;;
3070 esac
3071 done
3072 }
3073
3074 probe_cc(){
3075 pfx=$1
3076 _cc=$2
3077
3078 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3079 unset _ld_o _ldflags _ld_lib _ld_path
3080 unset _depflags _DEPCMD _DEPFLAGS
3081 _flags_filter=echo
3082
3083 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3084 _type=llvm_gcc
3085 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3086 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3087 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3088 _cflags_speed='-O3'
3089 _cflags_size='-Os'
3090 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3091 _type=gcc
3092 gcc_version=$($_cc --version | head -n1)
3093 gcc_basever=$($_cc -dumpversion)
3094 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3095 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3096 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3097 if ! $_cc -dumpversion | grep -q '^2\.'; then
3098 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3099 fi
3100 _cflags_speed='-O3'
3101 _cflags_size='-Os'
3102 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3103 _type=icc
3104 _ident=$($_cc --version | head -n1)
3105 _depflags='-MMD'
3106 _cflags_speed='-O3'
3107 _cflags_size='-Os'
3108 _cflags_noopt='-O1'
3109 elif $_cc -v 2>&1 | grep -q xlc; then
3110 _type=xlc
3111 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3112 _cflags_speed='-O5'
3113 _cflags_size='-O5 -qcompact'
3114 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3115 _type=ccc
3116 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3117 _DEPFLAGS='-M'
3118 _cflags_speed='-fast'
3119 _cflags_size='-O1'
3120 _flags_filter=ccc_flags
3121 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3122 test -d "$sysroot" || die "No valid sysroot specified."
3123 _type=armcc
3124 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3125 armcc_conf="$PWD/armcc.conf"
3126 $_cc --arm_linux_configure \
3127 --arm_linux_config_file="$armcc_conf" \
3128 --configure_sysroot="$sysroot" \
3129 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3130 die "Error creating armcc configuration file."
3131 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3132 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3133 as_default="${cross_prefix}gcc"
3134 _depflags='-MMD'
3135 _cflags_speed='-O3'
3136 _cflags_size='-Os'
3137 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3138 _type=tms470
3139 _ident=$($_cc -version | head -n1 | tr -s ' ')
3140 _flags='--gcc --abi=eabi -me'
3141 _cc_e='-ppl -fe=$@'
3142 _cc_o='-fe=$@'
3143 _depflags='-ppa -ppd=$(@:.o=.d)'
3144 _cflags_speed='-O3 -mf=5'
3145 _cflags_size='-O3 -mf=2'
3146 _flags_filter=tms470_flags
3147 elif $_cc -v 2>&1 | grep -q clang; then
3148 _type=clang
3149 _ident=$($_cc --version 2>/dev/null | head -n1)
3150 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3151 _cflags_speed='-O3'
3152 _cflags_size='-Os'
3153 elif $_cc -V 2>&1 | grep -q Sun; then
3154 _type=suncc
3155 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3156 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3157 _DEPFLAGS='-xM1 -xc99'
3158 _ldflags='-std=c99'
3159 _cflags_speed='-O5'
3160 _cflags_size='-O5 -xspace'
3161 _flags_filter=suncc_flags
3162 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3163 _type=pathscale
3164 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3165 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3166 _cflags_speed='-O2'
3167 _cflags_size='-Os'
3168 _flags_filter='filter_out -Wdisabled-optimization'
3169 elif $_cc -v 2>&1 | grep -q Open64; then
3170 _type=open64
3171 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3172 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3173 _cflags_speed='-O2'
3174 _cflags_size='-Os'
3175 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3176 elif $_cc -V 2>&1 | grep -q Portland; then
3177 _type=pgi
3178 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3179 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3180 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3181 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3182 _cflags_noopt="-O1"
3183 _flags_filter=pgi_flags
3184 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3185 _type=armasm
3186 _ident=$($_cc | head -n1)
3187 # 4509: "This form of conditional instruction is deprecated"
3188 _flags="-nologo -ignore 4509"
3189 _flags_filter=armasm_flags
3190 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3191 _type=msvc
3192 _ident=$($_cc 2>&1 | head -n1)
3193 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3194 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3195 _cflags_speed="-O2"
3196 _cflags_size="-O1"
3197 if $_cc -nologo- 2>&1 | grep -q Linker; then
3198 _ld_o='-out:$@'
3199 else
3200 _ld_o='-Fe$@'
3201 fi
3202 _cc_o='-Fo$@'
3203 _cc_e='-P -Fi$@'
3204 _flags_filter=msvc_flags
3205 _ld_lib='lib%.a'
3206 _ld_path='-libpath:'
3207 _flags='-nologo'
3208 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS'
3209 elif $_cc 2>&1 | grep -q Intel; then
3210 _type=icl
3211 _ident=$($_cc 2>&1 | head -n1)
3212 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3213 # Not only is O3 broken on 13.x+ but it is slower on all previous
3214 # versions (tested) as well.
3215 _cflags_speed="-O2"
3216 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3217 if $_cc 2>&1 | grep -q Linker; then
3218 _ld_o='-out:$@'
3219 else
3220 _ld_o='-Fe$@'
3221 fi
3222 _cc_o='-Fo$@'
3223 _cc_e='-P'
3224 _flags_filter=icl_flags
3225 _ld_lib='lib%.a'
3226 _ld_path='-libpath:'
3227 # -Qdiag-error to make icl error when seeing certain unknown arguments
3228 _flags='-nologo -Qdiag-error:4044,10157'
3229 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3230 # with MSVC which enables it by default.
3231 _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS'
3232 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3233 _type=cparser
3234 _ident=$($_cc --version | head -n1)
3235 _depflags='-MMD'
3236 _cflags_speed='-O4'
3237 _cflags_size='-O2'
3238 _flags_filter=cparser_flags
3239 fi
3240
3241 eval ${pfx}_type=\$_type
3242 eval ${pfx}_ident=\$_ident
3243 }
3244
3245 set_ccvars(){
3246 eval ${1}_C=\${_cc_c-\${${1}_C}}
3247 eval ${1}_E=\${_cc_e-\${${1}_E}}
3248 eval ${1}_O=\${_cc_o-\${${1}_O}}
3249
3250 if [ -n "$_depflags" ]; then
3251 eval ${1}_DEPFLAGS=\$_depflags
3252 else
3253 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3254 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3255 eval DEP${1}FLAGS=\$_flags
3256 fi
3257 }
3258
3259 probe_cc cc "$cc"
3260 cflags_filter=$_flags_filter
3261 cflags_speed=$_cflags_speed
3262 cflags_size=$_cflags_size
3263 cflags_noopt=$_cflags_noopt
3264 add_cflags $_flags $_cflags
3265 cc_ldflags=$_ldflags
3266 set_ccvars CC
3267
3268 probe_cc hostcc "$host_cc"
3269 host_cflags_filter=$_flags_filter
3270 add_host_cflags $_flags $_cflags
3271 set_ccvars HOSTCC
3272
3273 test -n "$cc_type" && enable $cc_type ||
3274 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3275
3276 : ${as_default:=$cc}
3277 : ${objcc_default:=$cc}
3278 : ${dep_cc_default:=$cc}
3279 : ${ld_default:=$cc}
3280 : ${host_ld_default:=$host_cc}
3281 set_default ar as objcc dep_cc ld host_ld
3282
3283 probe_cc as "$as"
3284 asflags_filter=$_flags_filter
3285 add_asflags $_flags $_cflags
3286 set_ccvars AS
3287
3288 probe_cc objcc "$objcc"
3289 objcflags_filter=$_flags_filter
3290 add_objcflags $_flags $_cflags
3291 set_ccvars OBJC
3292
3293 probe_cc ld "$ld"
3294 ldflags_filter=$_flags_filter
3295 add_ldflags $_flags $_ldflags
3296 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3297 LD_O=${_ld_o-$LD_O}
3298 LD_LIB=${_ld_lib-$LD_LIB}
3299 LD_PATH=${_ld_path-$LD_PATH}
3300
3301 probe_cc hostld "$host_ld"
3302 host_ldflags_filter=$_flags_filter
3303 add_host_ldflags $_flags $_ldflags
3304 HOSTLD_O=${_ld_o-$HOSTLD_O}
3305
3306 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3307 probe_cc depcc "$dep_cc"
3308 CCDEP=${_DEPCMD:-$DEPCMD}
3309 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3310 DEPCCFLAGS=$_flags
3311 fi
3312
3313 if $ar 2>&1 | grep -q Microsoft; then
3314 arflags="-nologo"
3315 ar_o='-out:$@'
3316 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3317 arflags="rq"
3318 ar_o='$@'
3319 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3320 arflags='-Xany -r -c'
3321 ar_o='$@'
3322 else
3323 arflags="rc"
3324 ar_o='$@'
3325 fi
3326
3327 add_cflags $extra_cflags
3328 add_objcflags $extra_objcflags
3329 add_asflags $extra_cflags
3330
3331 if test -n "$sysroot"; then
3332 case "$cc_type" in
3333 gcc|llvm_gcc|clang)
3334 add_cppflags --sysroot="$sysroot"
3335 add_ldflags --sysroot="$sysroot"
3336 ;;
3337 tms470)
3338 add_cppflags -I"$sysinclude"
3339 add_ldflags --sysroot="$sysroot"
3340 ;;
3341 esac
3342 fi
3343
3344 if test "$cpu" = host; then
3345 enabled cross_compile &&
3346 die "--cpu=host makes no sense when cross-compiling."
3347
3348 case "$cc_type" in
3349 gcc|llvm_gcc)
3350 check_native(){
3351 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3352 sed -n "/cc1.*$1=/{
3353 s/.*$1=\\([^ ]*\\).*/\\1/
3354 p
3355 q
3356 }" $TMPE
3357 }
3358 cpu=$(check_native -march || check_native -mcpu)
3359 ;;
3360 esac
3361
3362 test "${cpu:-host}" = host &&
3363 die "--cpu=host not supported with compiler $cc"
3364 fi
3365
3366 # Deal with common $arch aliases
3367 case "$arch" in
3368 aarch64|arm64)
3369 arch="aarch64"
3370 ;;
3371 arm*)
3372 arch="arm"
3373 ;;
3374 mips*|IP*)
3375 case "$arch" in
3376 *el)
3377 add_cppflags -EL
3378 add_ldflags -EL
3379 ;;
3380 *eb)
3381 add_cppflags -EB
3382 add_ldflags -EB
3383 ;;
3384 esac
3385 arch="mips"
3386 ;;
3387 parisc*|hppa*)
3388 arch="parisc"
3389 ;;
3390 "Power Macintosh"|ppc*|powerpc*)
3391 arch="ppc"
3392 ;;
3393 s390|s390x)
3394 arch="s390"
3395 ;;
3396 sh4|sh)
3397 arch="sh4"
3398 ;;
3399 sun4u|sparc*)
3400 arch="sparc"
3401 ;;
3402 tilegx|tile-gx)
3403 arch="tilegx"
3404 ;;
3405 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3406 arch="x86"
3407 ;;
3408 esac
3409
3410 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3411 enable $arch
3412
3413 # Add processor-specific flags
3414 if enabled aarch64; then
3415
3416 case $cpu in
3417 armv*)
3418 cpuflags="-march=$cpu"
3419 ;;
3420 *)
3421 cpuflags="-mcpu=$cpu"
3422 ;;
3423 esac
3424
3425 elif enabled alpha; then
3426
3427 cpuflags="-mcpu=$cpu"
3428
3429 elif enabled arm; then
3430
3431 check_arm_arch() {
3432 check_cpp_condition stddef.h \
3433 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3434 $cpuflags
3435 }
3436
3437 probe_arm_arch() {
3438 if check_arm_arch 4; then echo armv4;
3439 elif check_arm_arch 4T; then echo armv4t;
3440 elif check_arm_arch 5; then echo armv5;
3441 elif check_arm_arch 5E; then echo armv5e;
3442 elif check_arm_arch 5T; then echo armv5t;
3443 elif check_arm_arch 5TE; then echo armv5te;
3444 elif check_arm_arch 5TEJ; then echo armv5te;
3445 elif check_arm_arch 6; then echo armv6;
3446 elif check_arm_arch 6J; then echo armv6j;
3447 elif check_arm_arch 6K; then echo armv6k;
3448 elif check_arm_arch 6Z; then echo armv6z;
3449 elif check_arm_arch 6ZK; then echo armv6zk;
3450 elif check_arm_arch 6T2; then echo armv6t2;
3451 elif check_arm_arch 7; then echo armv7;
3452 elif check_arm_arch 7A 7_A; then echo armv7-a;
3453 elif check_arm_arch 7S; then echo armv7-a;
3454 elif check_arm_arch 7R 7_R; then echo armv7-r;
3455 elif check_arm_arch 7M 7_M; then echo armv7-m;
3456 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3457 elif check_arm_arch 8A 8_A; then echo armv8-a;
3458 fi
3459 }
3460
3461 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3462
3463 case $cpu in
3464 armv*)
3465 cpuflags="-march=$cpu"
3466 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3467 ;;
3468 *)
3469 cpuflags="-mcpu=$cpu"
3470 case $cpu in
3471 cortex-a*) subarch=armv7a ;;
3472 cortex-r*) subarch=armv7r ;;
3473 cortex-m*) enable thumb; subarch=armv7m ;;
3474 arm11*) subarch=armv6 ;;
3475 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3476 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3477 *) subarch=$(probe_arm_arch) ;;
3478 esac
3479 ;;
3480 esac
3481
3482 case "$subarch" in
3483 armv5t*) enable fast_clz ;;
3484 armv[6-8]*) enable fast_clz fast_unaligned ;;
3485 esac
3486
3487 elif enabled avr32; then
3488
3489 case $cpu in
3490 ap7[02]0[0-2])
3491 subarch="avr32_ap"
3492 cpuflags="-mpart=$cpu"
3493 ;;
3494 ap)
3495 subarch="avr32_ap"
3496 cpuflags="-march=$cpu"
3497 ;;
3498 uc3[ab]*)
3499 subarch="avr32_uc"
3500 cpuflags="-mcpu=$cpu"
3501 ;;
3502 uc)
3503 subarch="avr32_uc"
3504 cpuflags="-march=$cpu"
3505 ;;
3506 esac
3507
3508 elif enabled bfin; then
3509
3510 cpuflags="-mcpu=$cpu"
3511
3512 elif enabled mips; then
3513
3514 cpuflags="-march=$cpu"
3515
3516 elif enabled ppc; then
3517
3518 disable ldbrx
3519
3520 case $(tolower $cpu) in
3521 601|ppc601|powerpc601)
3522 cpuflags="-mcpu=601"
3523 disable altivec
3524 ;;
3525 603*|ppc603*|powerpc603*)
3526 cpuflags="-mcpu=603"
3527 disable altivec
3528 ;;
3529 604*|ppc604*|powerpc604*)
3530 cpuflags="-mcpu=604"
3531 disable altivec
3532 ;;
3533 g3|75*|ppc75*|powerpc75*)
3534 cpuflags="-mcpu=750"
3535 disable altivec
3536 ;;
3537 g4|745*|ppc745*|powerpc745*)
3538 cpuflags="-mcpu=7450"
3539 disable vsx
3540 ;;
3541 74*|ppc74*|powerpc74*)
3542 cpuflags="-mcpu=7400"
3543 disable vsx
3544 ;;
3545 g5|970|ppc970|powerpc970)
3546 cpuflags="-mcpu=970"
3547 disable vsx
3548 ;;
3549 power[3-6]*)
3550 cpuflags="-mcpu=$cpu"
3551 disable vsx
3552 ;;
3553 power[7-8]*)
3554 cpuflags="-mcpu=$cpu"
3555 enable ldbrx
3556 ;;
3557 cell)
3558 cpuflags="-mcpu=cell"
3559 enable ldbrx
3560 disable vsx
3561 ;;
3562 e500mc)
3563 cpuflags="-mcpu=e500mc"
3564 disable altivec
3565 ;;
3566 e500v2)
3567 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3568 disable altivec
3569 disable dcbzl
3570 ;;
3571 e500)
3572 cpuflags="-mcpu=8540 -mhard-float"
3573 disable altivec
3574 disable dcbzl
3575 ;;
3576 esac
3577
3578 elif enabled sparc; then
3579
3580 case $cpu in
3581 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3582 cpuflags="-mcpu=$cpu"
3583 ;;
3584 ultrasparc*|niagara[234])
3585 cpuflags="-mcpu=$cpu"
3586 ;;
3587 esac
3588
3589 elif enabled x86; then
3590
3591 case $cpu in
3592 i[345]86|pentium)
3593 cpuflags="-march=$cpu"
3594 disable i686
3595 disable mmx
3596 ;;
3597 # targets that do NOT support nopl and conditional mov (cmov)
3598 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3599 cpuflags="-march=$cpu"
3600 disable i686
3601 ;;
3602 # targets that do support nopl and conditional mov (cmov)
3603 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3604 cpuflags="-march=$cpu"
3605 enable i686
3606 enable fast_cmov
3607 ;;
3608 # targets that do support conditional mov but on which it's slow
3609 pentium4|pentium4m|prescott|nocona)
3610 cpuflags="-march=$cpu"
3611 enable i686
3612 disable fast_cmov
3613 ;;
3614 esac
3615
3616 fi
3617
3618 if [ "$cpu" != generic ]; then
3619 add_cflags $cpuflags
3620 add_asflags $cpuflags
3621 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
3622 fi
3623
3624 # compiler sanity check
3625 check_exec <<EOF
3626 int main(void){ return 0; }
3627 EOF
3628 if test "$?" != 0; then
3629 echo "$cc is unable to create an executable file."
3630 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3631 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3632 echo "Only do this if you know what cross compiling means."
3633 fi
3634 die "C compiler test failed."
3635 fi
3636
3637 add_cppflags -D_ISOC99_SOURCE
3638 check_cflags -std=c99
3639 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3640 #include <stdlib.h>
3641 EOF
3642 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3643 #include <stdlib.h>
3644 EOF
3645
3646 add_host_cppflags -D_ISOC99_SOURCE
3647 check_host_cflags -std=c99
3648 check_host_cflags -Wall
3649 check_host_cflags -O3
3650
3651 check_64bit(){
3652 arch32=$1
3653 arch64=$2
3654 expr=$3
3655 check_code cc "" "int test[2*($expr) - 1]" &&
3656 subarch=$arch64 || subarch=$arch32
3657 }
3658
3659 case "$arch" in
3660 aarch64|alpha|ia64)
3661 spic=$shared
3662 ;;
3663 mips)
3664 check_64bit mips mips64 '_MIPS_SIM > 1'
3665 spic=$shared
3666 ;;
3667 parisc)
3668 check_64bit parisc parisc64 'sizeof(void *) > 4'
3669 spic=$shared
3670 ;;
3671 ppc)
3672 check_64bit ppc ppc64 'sizeof(void *) > 4'
3673 spic=$shared
3674 ;;
3675 s390)
3676 check_64bit s390 s390x 'sizeof(void *) > 4'
3677 spic=$shared
3678 ;;
3679 sparc)
3680 check_64bit sparc sparc64 'sizeof(void *) > 4'
3681 spic=$shared
3682 ;;
3683 x86)
3684 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3685 if test "$subarch" = "x86_64"; then
3686 spic=$shared
3687 fi
3688 ;;
3689 esac
3690
3691 enable $subarch
3692 enabled spic && enable_weak pic
3693
3694 # OS specific
3695 case $target_os in
3696 aix)
3697 SHFLAGS=-shared
3698 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3699 enabled shared && add_ldflags -Wl,-brtl
3700 ;;
3701 android)
3702 disable symver
3703 enable section_data_rel_ro
3704 SLIB_INSTALL_NAME='$(SLIBNAME)'
3705 SLIB_INSTALL_LINKS=
3706 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
3707 ;;
3708 haiku)
3709 prefix_default="/boot/common"
3710 network_extralibs="-lnetwork"
3711 host_libs=
3712 ;;
3713 sunos)
3714 SHFLAGS='-shared -Wl,-h,$$(@F)'
3715 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3716 network_extralibs="-lsocket -lnsl"