fate: Ignore errors from concatenating report files
[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 disable(){
492 set_all no $*
493 }
494
495 enable_weak(){
496 set_weak yes $*
497 }
498
499 disable_weak(){
500 set_weak no $*
501 }
502
503 enable_safe(){
504 for var; do
505 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
506 done
507 }
508
509 disable_safe(){
510 for var; do
511 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
512 done
513 }
514
515 do_enable_deep(){
516 for var; do
517 enabled $var && continue
518 eval sel="\$${var}_select"
519 eval sgs="\$${var}_suggest"
520 pushvar var sgs
521 enable_deep $sel
522 popvar sgs
523 enable_deep_weak $sgs
524 popvar var
525 done
526 }
527
528 enable_deep(){
529 do_enable_deep $*
530 enable $*
531 }
532
533 enable_deep_weak(){
534 for var; do
535 disabled $var && continue
536 pushvar var
537 do_enable_deep $var
538 popvar var
539 enable_weak $var
540 done
541 }
542
543 enabled(){
544 test "${1#!}" = "$1" && op== || op=!=
545 eval test "x\$${1#!}" $op "xyes"
546 }
547
548 disabled(){
549 test "${1#!}" = "$1" && op== || op=!=
550 eval test "x\$${1#!}" $op "xno"
551 }
552
553 enabled_all(){
554 for opt; do
555 enabled $opt || return 1
556 done
557 }
558
559 disabled_all(){
560 for opt; do
561 disabled $opt || return 1
562 done
563 }
564
565 enabled_any(){
566 for opt; do
567 enabled $opt && return 0
568 done
569 }
570
571 disabled_any(){
572 for opt; do
573 disabled $opt && return 0
574 done
575 return 1
576 }
577
578 set_default(){
579 for opt; do
580 eval : \${$opt:=\$${opt}_default}
581 done
582 }
583
584 is_in(){
585 value=$1
586 shift
587 for var in $*; do
588 [ $var = $value ] && return 0
589 done
590 return 1
591 }
592
593 do_check_deps(){
594 for cfg; do
595 cfg="${cfg#!}"
596 enabled ${cfg}_checking && die "Circular dependency for $cfg."
597 disabled ${cfg}_checking && continue
598 enable ${cfg}_checking
599 append allopts $cfg
600
601 eval dep_all="\$${cfg}_deps"
602 eval dep_any="\$${cfg}_deps_any"
603 eval dep_sel="\$${cfg}_select"
604 eval dep_sgs="\$${cfg}_suggest"
605 eval dep_ifa="\$${cfg}_if"
606 eval dep_ifn="\$${cfg}_if_any"
607
608 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
609 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
610 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
611
612 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
613 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
614 enabled_all $dep_all || disable $cfg
615 enabled_any $dep_any || disable $cfg
616 disabled_any $dep_sel && disable $cfg
617
618 if enabled $cfg; then
619 enable_deep $dep_sel
620 enable_deep_weak $dep_sgs
621 fi
622
623 disable ${cfg}_checking
624 done
625 }
626
627 check_deps(){
628 unset allopts
629
630 do_check_deps "$@"
631
632 for cfg in $allopts; do
633 enabled $cfg || continue
634 eval dep_extralibs="\$${cfg}_extralibs"
635 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
636 done
637 }
638
639 print_config(){
640 pfx=$1
641 files=$2
642 shift 2
643 map 'eval echo "$v \${$v:-no}"' "$@" |
644 awk "BEGIN { split(\"$files\", files) }
645 {
646 c = \"$pfx\" toupper(\$1);
647 v = \$2;
648 sub(/yes/, 1, v);
649 sub(/no/, 0, v);
650 for (f in files) {
651 file = files[f];
652 if (file ~ /\\.h\$/) {
653 printf(\"#define %s %d\\n\", c, v) >>file;
654 } else if (file ~ /\\.asm\$/) {
655 printf(\"%%define %s %d\\n\", c, v) >>file;
656 } else if (file ~ /\\.mak\$/) {
657 n = -v ? \"\" : \"!\";
658 printf(\"%s%s=yes\\n\", n, c) >>file;
659 }
660 }
661 }"
662 }
663
664 print_enabled(){
665 suf=$1
666 shift
667 for v; do
668 enabled $v && printf "%s\n" ${v%$suf};
669 done
670 }
671
672 append(){
673 var=$1
674 shift
675 eval "$var=\"\$$var $*\""
676 }
677
678 prepend(){
679 var=$1
680 shift
681 eval "$var=\"$* \$$var\""
682 }
683
684 unique(){
685 var=$1
686 uniq_list=""
687 for tok in $(eval echo \$$var); do
688 uniq_list="$(filter_out $tok $uniq_list) $tok"
689 done
690 eval "$var=\"${uniq_list}\""
691 }
692
693 add_cppflags(){
694 append CPPFLAGS "$@"
695 }
696
697 add_cflags(){
698 append CFLAGS $($cflags_filter "$@")
699 }
700
701 add_asflags(){
702 append ASFLAGS $($asflags_filter "$@")
703 }
704
705 add_objcflags(){
706 append OBJCFLAGS $($objcflags_filter "$@")
707 }
708
709 add_ldflags(){
710 append LDFLAGS $($ldflags_filter "$@")
711 }
712
713 add_ldexeflags(){
714 append LDEXEFLAGS $($ldflags_filter "$@")
715 }
716
717 add_stripflags(){
718 append STRIPFLAGS "$@"
719 }
720
721 add_extralibs(){
722 prepend extralibs $($ldflags_filter "$@")
723 }
724
725 add_host_cppflags(){
726 append host_cppflags "$@"
727 }
728
729 add_host_cflags(){
730 append host_cflags $($host_cflags_filter "$@")
731 }
732
733 add_host_ldflags(){
734 append host_ldflags $($host_ldflags_filter "$@")
735 }
736
737 add_compat(){
738 append compat_objs $1
739 shift
740 map 'add_cppflags -D$v' "$@"
741 }
742
743 check_cmd(){
744 log "$@"
745 "$@" >> $logfile 2>&1
746 }
747
748 cc_o(){
749 eval printf '%s\\n' $CC_O
750 }
751
752 cc_e(){
753 eval printf '%s\\n' $CC_E
754 }
755
756 check_cc(){
757 log check_cc "$@"
758 cat > $TMPC
759 log_file $TMPC
760 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
761 }
762
763 check_objcc(){
764 log check_objcc "$@"
765 cat > $TMPC
766 log_file $TMPC
767 check_cmd $objcc $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPC
768 }
769
770 check_cpp(){
771 log check_cpp "$@"
772 cat > $TMPC
773 log_file $TMPC
774 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
775 }
776
777 as_o(){
778 eval printf '%s\\n' $AS_O
779 }
780
781 check_as(){
782 log check_as "$@"
783 cat > $TMPS
784 log_file $TMPS
785 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
786 }
787
788 check_inline_asm(){
789 log check_inline_asm "$@"
790 name="$1"
791 code="$2"
792 shift 2
793 disable $name
794 check_cc "$@" <<EOF && enable $name
795 void foo(void){ __asm__ volatile($code); }
796 EOF
797 }
798
799 check_insn(){
800 log check_insn "$@"
801 check_inline_asm ${1}_inline "\"$2\""
802 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
803 }
804
805 check_yasm(){
806 log check_yasm "$@"
807 echo "$1" > $TMPS
808 log_file $TMPS
809 shift 1
810 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
811 }
812
813 ld_o(){
814 eval printf '%s\\n' $LD_O
815 }
816
817 check_ld(){
818 log check_ld "$@"
819 flags=$(filter_out '-l*' "$@")
820 libs=$(filter '-l*' "$@")
821 check_cc $($cflags_filter $flags) || return
822 flags=$($ldflags_filter $flags)
823 libs=$($ldflags_filter $libs)
824 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
825 }
826
827 print_include(){
828 hdr=$1
829 test "${hdr%.h}" = "${hdr}" &&
830 echo "#include $hdr" ||
831 echo "#include <$hdr>"
832 }
833
834 check_code(){
835 log check_code "$@"
836 check=$1
837 headers=$2
838 code=$3
839 shift 3
840 {
841 for hdr in $headers; do
842 print_include $hdr
843 done
844 echo "int main(void) { $code; return 0; }"
845 } | check_$check "$@"
846 }
847
848 check_cppflags(){
849 log check_cppflags "$@"
850 check_cc "$@" <<EOF && append CPPFLAGS "$@"
851 int x;
852 EOF
853 }
854
855 test_cflags(){
856 log test_cflags "$@"
857 set -- $($cflags_filter "$@")
858 check_cc "$@" <<EOF
859 int x;
860 EOF
861 }
862
863 check_cflags(){
864 log check_cflags "$@"
865 test_cflags "$@" && add_cflags "$@"
866 }
867
868 test_objcflags(){
869 log test_cflags "$@"
870 set -- $($cflags_filter "$@")
871 check_objcc "$@" <<EOF
872 int x;
873 EOF
874 }
875
876 check_objcflags(){
877 log check_cflags "$@"
878 test_objcflags "$@" && add_objcflags "$@"
879 }
880
881 test_ldflags(){
882 log test_ldflags "$@"
883 check_ld "$@" <<EOF
884 int main(void){ return 0; }
885 EOF
886 }
887
888 check_ldflags(){
889 log check_ldflags "$@"
890 test_ldflags "$@" && add_ldflags "$@"
891 }
892
893 test_stripflags(){
894 log test_stripflags "$@"
895 # call check_cc to get a fresh TMPO
896 check_cc <<EOF
897 int main(void) { return 0; }
898 EOF
899 check_cmd $strip $STRIPFLAGS "$@" $TMPO
900 }
901
902 check_stripflags(){
903 log check_stripflags "$@"
904 test_stripflags "$@" && add_stripflags "$@"
905 }
906
907 check_header(){
908 log check_header "$@"
909 header=$1
910 shift
911 disable_safe $header
912 check_cpp "$@" <<EOF && enable_safe $header
913 #include <$header>
914 int x;
915 EOF
916 }
917
918 check_func(){
919 log check_func "$@"
920 func=$1
921 shift
922 disable $func
923 check_ld "$@" <<EOF && enable $func
924 extern int $func();
925 int main(void){ $func(); }
926 EOF
927 }
928
929 check_mathfunc(){
930 log check_mathfunc "$@"
931 func=$1
932 narg=$2
933 shift 2
934 test $narg = 2 && args="f, g" || args="f"
935 disable $func
936 check_ld "$@" <<EOF && enable $func
937 #include <math.h>
938 float foo(float f, float g) { return $func($args); }
939 int main(void){ return 0; }
940 EOF
941 }
942
943 check_func_headers(){
944 log check_func_headers "$@"
945 headers=$1
946 funcs=$2
947 shift 2
948 {
949 for hdr in $headers; do
950 print_include $hdr
951 done
952 for func in $funcs; do
953 echo "long check_$func(void) { return (long) $func; }"
954 done
955 echo "int main(void) { return 0; }"
956 } | check_ld "$@" && enable $funcs && enable_safe $headers
957 }
958
959 check_cpp_condition(){
960 log check_cpp_condition "$@"
961 header=$1
962 condition=$2
963 shift 2
964 check_cpp "$@" <<EOF
965 #include <$header>
966 #if !($condition)
967 #error "unsatisfied condition: $condition"
968 #endif
969 EOF
970 }
971
972 check_lib(){
973 log check_lib "$@"
974 header="$1"
975 func="$2"
976 shift 2
977 check_header $header && check_func $func "$@" && add_extralibs "$@"
978 }
979
980 check_lib2(){
981 log check_lib2 "$@"
982 headers="$1"
983 funcs="$2"
984 shift 2
985 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
986 }
987
988 check_pkg_config(){
989 log check_pkg_config "$@"
990 pkg="$1"
991 headers="$2"
992 funcs="$3"
993 shift 3
994 check_cmd $pkg_config --exists --print-errors $pkg || return
995 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
996 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
997 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
998 set_safe "${pkg}_cflags" $pkg_cflags &&
999 set_safe "${pkg}_libs" $pkg_libs
1000 }
1001
1002 check_exec(){
1003 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1004 }
1005
1006 check_exec_crash(){
1007 code=$(cat)
1008
1009 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1010 # are safe but may not be available everywhere. Thus we use
1011 # raise(SIGTERM) instead. The check is run in a subshell so we
1012 # can redirect the "Terminated" message from the shell. SIGBUS
1013 # is not defined by standard C so it is used conditionally.
1014
1015 (check_exec "$@") >> $logfile 2>&1 <<EOF
1016 #include <signal.h>
1017 static void sighandler(int sig){
1018 raise(SIGTERM);
1019 }
1020 int foo(void){
1021 $code
1022 }
1023 int (*func_ptr)(void) = foo;
1024 int main(void){
1025 signal(SIGILL, sighandler);
1026 signal(SIGFPE, sighandler);
1027 signal(SIGSEGV, sighandler);
1028 #ifdef SIGBUS
1029 signal(SIGBUS, sighandler);
1030 #endif
1031 return func_ptr();
1032 }
1033 EOF
1034 }
1035
1036 check_type(){
1037 log check_type "$@"
1038 headers=$1
1039 type=$2
1040 shift 2
1041 disable_safe "$type"
1042 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1043 }
1044
1045 check_struct(){
1046 log check_struct "$@"
1047 headers=$1
1048 struct=$2
1049 member=$3
1050 shift 3
1051 disable_safe "${struct}_${member}"
1052 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1053 enable_safe "${struct}_${member}"
1054 }
1055
1056 check_builtin(){
1057 log check_builtin "$@"
1058 name=$1
1059 headers=$2
1060 builtin=$3
1061 shift 3
1062 disable "$name"
1063 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1064 }
1065
1066 check_compile_assert(){
1067 log check_compile_assert "$@"
1068 name=$1
1069 headers=$2
1070 condition=$3
1071 shift 3
1072 disable "$name"
1073 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1074 }
1075
1076 require(){
1077 name="$1"
1078 header="$2"
1079 func="$3"
1080 shift 3
1081 check_lib $header $func "$@" || die "ERROR: $name not found"
1082 }
1083
1084 require2(){
1085 name="$1"
1086 headers="$2"
1087 func="$3"
1088 shift 3
1089 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1090 }
1091
1092 require_pkg_config(){
1093 pkg="$1"
1094 check_pkg_config "$@" || die "ERROR: $pkg not found"
1095 add_cflags $(get_safe "${pkg}_cflags")
1096 add_extralibs $(get_safe "${pkg}_libs")
1097 }
1098
1099 hostcc_e(){
1100 eval printf '%s\\n' $HOSTCC_E
1101 }
1102
1103 hostcc_o(){
1104 eval printf '%s\\n' $HOSTCC_O
1105 }
1106
1107 check_host_cc(){
1108 log check_host_cc "$@"
1109 cat > $TMPC
1110 log_file $TMPC
1111 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1112 }
1113
1114 check_host_cpp(){
1115 log check_host_cpp "$@"
1116 cat > $TMPC
1117 log_file $TMPC
1118 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1119 }
1120
1121 check_host_cppflags(){
1122 log check_host_cppflags "$@"
1123 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1124 int x;
1125 EOF
1126 }
1127
1128 check_host_cflags(){
1129 log check_host_cflags "$@"
1130 set -- $($host_cflags_filter "$@")
1131 check_host_cc "$@" <<EOF && append host_cflags "$@"
1132 int x;
1133 EOF
1134 }
1135
1136 check_host_cpp_condition(){
1137 log check_host_cpp_condition "$@"
1138 header=$1
1139 condition=$2
1140 shift 2
1141 check_host_cpp "$@" <<EOF
1142 #include <$header>
1143 #if !($condition)
1144 #error "unsatisfied condition: $condition"
1145 #endif
1146 EOF
1147 }
1148
1149 apply(){
1150 file=$1
1151 shift
1152 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1153 }
1154
1155 cp_if_changed(){
1156 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1157 mkdir -p "$(dirname $2)"
1158 $cp_f "$1" "$2"
1159 }
1160
1161 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1162 # system-dependent things.
1163
1164 AVCODEC_COMPONENTS="
1165 bsfs
1166 decoders
1167 encoders
1168 hwaccels
1169 parsers
1170 "
1171
1172 AVDEVICE_COMPONENTS="
1173 indevs
1174 outdevs
1175 "
1176 AVFILTER_COMPONENTS="
1177 filters
1178 "
1179 AVFORMAT_COMPONENTS="
1180 demuxers
1181 muxers
1182 protocols
1183 "
1184
1185 AVRESAMPLE_COMPONENTS=""
1186 AVUTIL_COMPONENTS=""
1187
1188 COMPONENT_LIST="
1189 $AVCODEC_COMPONENTS
1190 $AVDEVICE_COMPONENTS
1191 $AVFILTER_COMPONENTS
1192 $AVFORMAT_COMPONENTS
1193 $AVRESAMPLE_COMPONENTS
1194 $AVUTIL_COMPONENTS
1195 "
1196
1197 EXAMPLE_LIST="
1198 avcodec_example
1199 filter_audio_example
1200 metadata_example
1201 output_example
1202 qsvdec_example
1203 transcode_aac_example
1204 "
1205
1206 EXTERNAL_LIBRARY_LIST="
1207 avisynth
1208 bzlib
1209 cuda
1210 frei0r
1211 gnutls
1212 libbs2b
1213 libcdio
1214 libdc1394
1215 libdcadec
1216 libfaac
1217 libfdk_aac
1218 libfontconfig
1219 libfreetype
1220 libgsm
1221 libilbc
1222 libkvazaar
1223 libmfx
1224 libmp3lame
1225 libopencore_amrnb
1226 libopencore_amrwb
1227 libopencv
1228 libopenh264
1229 libopenjpeg
1230 libopus
1231 libpulse
1232 librtmp
1233 libschroedinger
1234 libsnappy
1235 libspeex
1236 libtheora
1237 libtwolame
1238 libvo_aacenc
1239 libvo_amrwbenc
1240 libvorbis
1241 libvpx
1242 libwavpack
1243 libwebp
1244 libx264
1245 libx265
1246 libxavs
1247 libxcb
1248 libxcb_shm
1249 libxcb_xfixes
1250 libxvid
1251 mmal
1252 nvenc
1253 openssl
1254 x11grab
1255 zlib
1256 "
1257
1258 FEATURE_LIST="
1259 gray
1260 hardcoded_tables
1261 runtime_cpudetect
1262 safe_bitstream_reader
1263 shared
1264 small
1265 sram
1266 static
1267 swscale_alpha
1268 "
1269
1270 HWACCEL_LIST="
1271 d3d11va
1272 dxva2
1273 vaapi
1274 vda
1275 vdpau
1276 "
1277
1278 LIBRARY_LIST="
1279 avcodec
1280 avdevice
1281 avfilter
1282 avformat
1283 avresample
1284 avutil
1285 swscale
1286 "
1287
1288 LICENSE_LIST="
1289 gpl
1290 nonfree
1291 version3
1292 "
1293
1294 PROGRAM_LIST="
1295 avconv
1296 avplay
1297 avprobe
1298 "
1299
1300 SUBSYSTEM_LIST="
1301 dct
1302 doc
1303 error_resilience
1304 faan
1305 fft
1306 lsp
1307 lzo
1308 mdct
1309 network
1310 rdft
1311 "
1312
1313 CONFIG_LIST="
1314 $COMPONENT_LIST
1315 $EXAMPLE_LIST
1316 $EXTERNAL_LIBRARY_LIST
1317 $FEATURE_LIST
1318 $HWACCEL_LIST
1319 $LICENSE_LIST
1320 $LIBRARY_LIST
1321 $PROGRAM_LIST
1322 $SUBSYSTEM_LIST
1323 memalign_hack
1324 neon_clobber_test
1325 pic
1326 pod2man
1327 texi2html
1328 thumb
1329 valgrind_backtrace
1330 xmm_clobber_test
1331 "
1332
1333 THREADS_LIST="
1334 pthreads
1335 w32threads
1336 "
1337
1338 ATOMICS_LIST="
1339 atomics_gcc
1340 atomics_suncc
1341 atomics_win32
1342 "
1343
1344 ARCH_LIST="
1345 aarch64
1346 alpha
1347 arm
1348 avr32
1349 avr32_ap
1350 avr32_uc
1351 bfin
1352 ia64
1353 m68k
1354 mips
1355 mips64
1356 parisc
1357 ppc
1358 ppc64
1359 s390
1360 sh4
1361 sparc
1362 sparc64
1363 tilegx
1364 tilepro
1365 tomi
1366 x86
1367 x86_32
1368 x86_64
1369 "
1370
1371 ARCH_EXT_LIST_ARM="
1372 armv5te
1373 armv6
1374 armv6t2
1375 armv8
1376 neon
1377 vfp
1378 vfpv3
1379 "
1380
1381 ARCH_EXT_LIST_X86_SIMD="
1382 amd3dnow
1383 amd3dnowext
1384 avx
1385 avx2
1386 fma3
1387 fma4
1388 mmx
1389 mmxext
1390 sse
1391 sse2
1392 sse3
1393 sse4
1394 sse42
1395 ssse3
1396 xop
1397 "
1398
1399 ARCH_EXT_LIST_PPC="
1400 altivec
1401 dcbzl
1402 ldbrx
1403 power8
1404 ppc4xx
1405 vsx
1406 "
1407
1408 ARCH_EXT_LIST_X86="
1409 $ARCH_EXT_LIST_X86_SIMD
1410 cpunop
1411 i686
1412 "
1413
1414 ARCH_EXT_LIST_MIPS="
1415 loongson
1416 mips32r1
1417 mips64r1
1418 mips32r2
1419 mips64r2
1420 mips32r6
1421 mips64r6
1422 "
1423
1424 ARCH_EXT_LIST="
1425 $ARCH_EXT_LIST_ARM
1426 $ARCH_EXT_LIST_MIPS
1427 $ARCH_EXT_LIST_PPC
1428 $ARCH_EXT_LIST_X86
1429 vis
1430 "
1431
1432 ARCH_FEATURES="
1433 aligned_stack
1434 fast_64bit
1435 fast_clz
1436 fast_cmov
1437 local_aligned_8
1438 local_aligned_16
1439 simd_align_16
1440 "
1441
1442 BUILTIN_LIST="
1443 atomic_cas_ptr
1444 machine_rw_barrier
1445 MemoryBarrier
1446 mm_empty
1447 rdtsc
1448 sync_val_compare_and_swap
1449 "
1450 HAVE_LIST_CMDLINE="
1451 inline_asm
1452 symver
1453 yasm
1454 "
1455
1456 HAVE_LIST_PUB="
1457 bigendian
1458 fast_unaligned
1459 "
1460
1461 HEADERS_LIST="
1462 AVFoundation_AVFoundation_h
1463 alsa_asoundlib_h
1464 altivec_h
1465 arpa_inet_h
1466 cdio_paranoia_h
1467 cdio_paranoia_paranoia_h
1468 dev_bktr_ioctl_bt848_h
1469 dev_bktr_ioctl_meteor_h
1470 dev_ic_bt8xx_h
1471 dev_video_bktr_ioctl_bt848_h
1472 dev_video_meteor_ioctl_meteor_h
1473 direct_h
1474 dlfcn_h
1475 d3d11_h
1476 dxva_h
1477 gsm_h
1478 io_h
1479 mach_mach_time_h
1480 machine_ioctl_bt848_h
1481 machine_ioctl_meteor_h
1482 malloc_h
1483 poll_h
1484 sndio_h
1485 soundcard_h
1486 sys_mman_h
1487 sys_param_h
1488 sys_resource_h
1489 sys_select_h
1490 sys_soundcard_h
1491 sys_time_h
1492 sys_un_h
1493 sys_videoio_h
1494 unistd_h
1495 valgrind_valgrind_h
1496 windows_h
1497 winsock2_h
1498 "
1499
1500 INTRINSICS_LIST="
1501 intrinsics_neon
1502 "
1503
1504 MATH_FUNCS="
1505 atanf
1506 atan2f
1507 cbrtf
1508 cosf
1509 exp2
1510 exp2f
1511 expf
1512 isinf
1513 isnan
1514 ldexpf
1515 llrint
1516 llrintf
1517 log2
1518 log2f
1519 log10f
1520 lrint
1521 lrintf
1522 powf
1523 rint
1524 round
1525 roundf
1526 sinf
1527 trunc
1528 truncf
1529 "
1530
1531 SYSTEM_FUNCS="
1532 aligned_malloc
1533 clock_gettime
1534 closesocket
1535 CommandLineToArgvW
1536 CoTaskMemFree
1537 CryptGenRandom
1538 dlopen
1539 fcntl
1540 flt_lim
1541 fork
1542 getaddrinfo
1543 gethrtime
1544 getopt
1545 GetProcessAffinityMask
1546 GetProcessMemoryInfo
1547 GetProcessTimes
1548 getrusage
1549 GetSystemTimeAsFileTime
1550 gettimeofday
1551 gmtime_r
1552 inet_aton
1553 isatty
1554 jack_port_get_latency_range
1555 LoadLibrary
1556 localtime_r
1557 mach_absolute_time
1558 MapViewOfFile
1559 memalign
1560 mkstemp
1561 mmap
1562 mprotect
1563 nanosleep
1564 posix_memalign
1565 sched_getaffinity
1566 SetConsoleTextAttribute
1567 setmode
1568 setrlimit
1569 Sleep
1570 strerror_r
1571 sysconf
1572 sysctl
1573 usleep
1574 VirtualAlloc
1575 "
1576
1577 TOOLCHAIN_FEATURES="
1578 as_dn_directive
1579 as_func
1580 as_object_arch
1581 asm_mod_q
1582 attribute_may_alias
1583 attribute_packed
1584 ebp_available
1585 ebx_available
1586 gnu_as
1587 ibm_asm
1588 inline_asm_labels
1589 pragma_deprecated
1590 symver_asm_label
1591 symver_gnu_asm
1592 vfp_args
1593 xform_asm
1594 xmm_clobbers
1595 "
1596
1597 TYPES_LIST="
1598 CONDITION_VARIABLE_Ptr
1599 socklen_t
1600 struct_addrinfo
1601 struct_group_source_req
1602 struct_ip_mreq_source
1603 struct_ipv6_mreq
1604 struct_pollfd
1605 struct_rusage_ru_maxrss
1606 struct_sockaddr_in6
1607 struct_sockaddr_sa_len
1608 struct_sockaddr_storage
1609 struct_v4l2_frmivalenum_discrete
1610 "
1611
1612 HAVE_LIST="
1613 $ARCH_EXT_LIST
1614 $(add_suffix _external $ARCH_EXT_LIST)
1615 $(add_suffix _inline $ARCH_EXT_LIST)
1616 $ARCH_FEATURES
1617 $ATOMICS_LIST
1618 $BUILTIN_LIST
1619 $HAVE_LIST_CMDLINE
1620 $HAVE_LIST_PUB
1621 $HEADERS_LIST
1622 $INTRINSICS_LIST
1623 $MATH_FUNCS
1624 $SYSTEM_FUNCS
1625 $THREADS_LIST
1626 $TOOLCHAIN_FEATURES
1627 $TYPES_LIST
1628 atomics_native
1629 dos_paths
1630 dxva2_lib
1631 libc_msvcrt
1632 libdc1394_1
1633 libdc1394_2
1634 sdl
1635 section_data_rel_ro
1636 threads
1637 vaapi_x11
1638 vdpau_x11
1639 xlib
1640 "
1641
1642 # options emitted with CONFIG_ prefix but not available on the command line
1643 CONFIG_EXTRA="
1644 aandcttables
1645 ac3dsp
1646 audio_frame_queue
1647 audiodsp
1648 blockdsp
1649 bswapdsp
1650 cabac
1651 dirac_parse
1652 dvprofile
1653 faandct
1654 faanidct
1655 fdctdsp
1656 flacdsp
1657 fmtconvert
1658 g722dsp
1659 gcrypt
1660 gmp
1661 golomb
1662 gplv3
1663 h263dsp
1664 h264chroma
1665 h264dsp
1666 h264pred
1667 h264qpel
1668 hpeldsp
1669 huffman
1670 huffyuvdsp
1671 huffyuvencdsp
1672 idctdsp
1673 iirfilter
1674 imdct15
1675 intrax8
1676 iso_media
1677 ividsp
1678 jpegtables
1679 libx262
1680 lgplv3
1681 lpc
1682 lzf
1683 me_cmp
1684 mpeg_er
1685 mpegaudio
1686 mpegaudiodsp
1687 mpegvideo
1688 mpegvideoenc
1689 mss34dsp
1690 pixblockdsp
1691 qpeldsp
1692 qsv
1693 qsvdec
1694 qsvenc
1695 rangecoder
1696 riffdec
1697 riffenc
1698 rtpdec
1699 rtpenc_chain
1700 rv34dsp
1701 sinewin
1702 snappy
1703 startcode
1704 texturedsp
1705 texturedspenc
1706 tpeldsp
1707 vc1dsp
1708 videodsp
1709 vp3dsp
1710 vp56dsp
1711 vp8dsp
1712 wma_freqs
1713 wmv2dsp
1714 "
1715
1716 CMDLINE_SELECT="
1717 $ARCH_EXT_LIST
1718 $CONFIG_LIST
1719 $HAVE_LIST_CMDLINE
1720 $THREADS_LIST
1721 asm
1722 cross_compile
1723 debug
1724 extra_warnings
1725 logging
1726 lto
1727 optimizations
1728 rpath
1729 "
1730
1731 PATHS_LIST="
1732 bindir
1733 datadir
1734 docdir
1735 incdir
1736 libdir
1737 mandir
1738 prefix
1739 shlibdir
1740 "
1741
1742 CMDLINE_SET="
1743 $PATHS_LIST
1744 ar
1745 arch
1746 as
1747 build_suffix
1748 cc
1749 objcc
1750 cpu
1751 cross_prefix
1752 custom_allocator
1753 dep_cc
1754 env
1755 extra_version
1756 host_cc
1757 host_cflags
1758 host_ld
1759 host_ldflags
1760 host_libs
1761 host_os
1762 ld
1763 logfile
1764 malloc_prefix
1765 nm
1766 optflags
1767 pkg_config
1768 pkg_config_flags
1769 random_seed
1770 samples
1771 sysinclude
1772 sysroot
1773 target_exec
1774 target_os
1775 target_path
1776 target_samples
1777 toolchain
1778 "
1779
1780 CMDLINE_APPEND="
1781 extra_cflags
1782 extra_objcflags
1783 host_cppflags
1784 "
1785
1786 # code dependency declarations
1787
1788 # architecture extensions
1789
1790 armv5te_deps="arm"
1791 armv6_deps="arm"
1792 armv6t2_deps="arm"
1793 armv8_deps="aarch64"
1794 neon_deps_any="aarch64 arm"
1795 intrinsics_neon_deps="neon"
1796 vfp_deps_any="aarch64 arm"
1797 vfpv3_deps="vfp"
1798
1799 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1800
1801 altivec_deps="ppc"
1802 ppc4xx_deps="ppc"
1803 vsx_deps="altivec"
1804 power8_deps="vsx"
1805
1806 cpunop_deps="i686"
1807 x86_64_select="i686"
1808 x86_64_suggest="fast_cmov"
1809
1810 amd3dnow_deps="mmx"
1811 amd3dnowext_deps="amd3dnow"
1812 i686_deps="x86"
1813 mmx_deps="x86"
1814 mmxext_deps="mmx"
1815 sse_deps="mmxext"
1816 sse2_deps="sse"
1817 sse3_deps="sse2"
1818 ssse3_deps="sse3"
1819 sse4_deps="ssse3"
1820 sse42_deps="sse4"
1821 avx_deps="sse42"
1822 xop_deps="avx"
1823 fma3_deps="avx"
1824 fma4_deps="avx"
1825 avx2_deps="avx"
1826
1827 mmx_external_deps="yasm"
1828 mmx_inline_deps="inline_asm"
1829 mmx_suggest="mmx_external mmx_inline"
1830
1831 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1832 eval dep=\$${ext}_deps
1833 eval ${ext}_external_deps='"${dep}_external"'
1834 eval ${ext}_inline_deps='"${dep}_inline"'
1835 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1836 done
1837
1838 aligned_stack_if_any="aarch64 ppc x86"
1839 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1840 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1841 fast_unaligned_if_any="aarch64 ppc x86"
1842 simd_align_16_if_any="altivec neon sse"
1843
1844 # system capabilities
1845 symver_if_any="symver_asm_label symver_gnu_asm"
1846 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
1847
1848 # threading support
1849 atomics_gcc_if="sync_val_compare_and_swap"
1850 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1851 atomics_win32_if="MemoryBarrier"
1852 atomics_native_if_any="$ATOMICS_LIST"
1853 w32threads_deps="atomics_native"
1854 threads_if_any="$THREADS_LIST"
1855
1856 # subsystems
1857 dct_select="rdft"
1858 dirac_parse_select="golomb"
1859 error_resilience_select="me_cmp"
1860 faandct_deps="faan fdctdsp"
1861 faanidct_deps="faan idctdsp"
1862 h264dsp_select="startcode"
1863 intrax8_select="error_resilience"
1864 mdct_select="fft"
1865 rdft_select="fft"
1866 me_cmp_select="fdctdsp idctdsp pixblockdsp"
1867 mpeg_er_select="error_resilience"
1868 mpegaudio_select="mpegaudiodsp"
1869 mpegaudiodsp_select="dct"
1870 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp mpeg_er videodsp"
1871 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
1872 nvenc_deps_any="dlopen LoadLibrary"
1873 nvenc_extralibs='$ldl'
1874 qsvdec_select="qsv"
1875 qsvenc_select="qsv"
1876 vc1dsp_select="h264chroma qpeldsp startcode"
1877
1878 # decoders / encoders
1879 aac_decoder_select="imdct15 mdct sinewin"
1880 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
1881 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1882 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
1883 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1884 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
1885 adpcm_g722_decoder_select="g722dsp"
1886 adpcm_g722_encoder_select="g722dsp"
1887 aic_decoder_select="golomb idctdsp"
1888 alac_encoder_select="lpc"
1889 als_decoder_select="bswapdsp"
1890 amrnb_decoder_select="lsp"
1891 amrwb_decoder_select="lsp"
1892 amv_decoder_select="sp5x_decoder"
1893 ape_decoder_select="bswapdsp"
1894 asv1_decoder_select="blockdsp bswapdsp idctdsp"
1895 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
1896 asv2_decoder_select="blockdsp bswapdsp idctdsp"
1897 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
1898 atrac1_decoder_select="mdct sinewin"
1899 atrac3_decoder_select="mdct"
1900 atrac3p_decoder_select="mdct sinewin"
1901 bink_decoder_select="blockdsp hpeldsp"
1902 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
1903 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
1904 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
1905 cllc_decoder_select="bswapdsp"
1906 comfortnoise_encoder_select="lpc"
1907 cook_decoder_select="audiodsp mdct sinewin"
1908 cscd_decoder_select="lzo"
1909 cscd_decoder_suggest="zlib"
1910 dca_decoder_select="fmtconvert mdct"
1911 dds_decoder_select="texturedsp"
1912 dnxhd_decoder_select="blockdsp idctdsp"
1913 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
1914 dvvideo_decoder_select="dvprofile idctdsp"
1915 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
1916 dxa_decoder_deps="zlib"
1917 dxv_decoder_select="lzf texturedsp"
1918 eac3_decoder_select="ac3_decoder"
1919 eac3_encoder_select="ac3_encoder"
1920 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
1921 eatgq_decoder_select="aandcttables idctdsp"
1922 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
1923 exr_decoder_deps="zlib"
1924 ffv1_decoder_select="golomb rangecoder"
1925 ffv1_encoder_select="rangecoder"
1926 ffvhuff_decoder_select="huffyuv_decoder"
1927 ffvhuff_encoder_select="huffyuv_encoder"
1928 fic_decoder_select="golomb"
1929 flac_decoder_select="flacdsp golomb"
1930 flac_encoder_select="bswapdsp flacdsp golomb lpc"
1931 flashsv_decoder_deps="zlib"
1932 flashsv_encoder_deps="zlib"
1933 flashsv2_decoder_deps="zlib"
1934 flv_decoder_select="h263_decoder"
1935 flv_encoder_select="h263_encoder"
1936 fourxm_decoder_select="blockdsp bswapdsp"
1937 fraps_decoder_select="bswapdsp huffman"
1938 g2m_decoder_deps="zlib"
1939 g2m_decoder_select="blockdsp idctdsp jpegtables"
1940 h261_decoder_select="mpeg_er mpegvideo"
1941 h261_encoder_select="aandcttables mpegvideoenc"
1942 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
1943 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1944 h263i_decoder_select="h263_decoder"
1945 h263p_encoder_select="h263_encoder"
1946 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel videodsp"
1947 h264_decoder_suggest="error_resilience"
1948 h264_nvenc_encoder_deps="nvenc"
1949 h264_qsv_decoder_deps="libmfx"
1950 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
1951 h264_qsv_encoder_deps="libmfx"
1952 h264_qsv_encoder_select="qsvenc"
1953 hap_decoder_select="snappy texturedsp"
1954 hap_encoder_deps="libsnappy"
1955 hap_encoder_select="texturedspenc"
1956 hevc_decoder_select="bswapdsp cabac golomb videodsp"
1957 hevc_nvenc_encoder_deps="nvenc"
1958 hevc_qsv_encoder_deps="libmfx"
1959 hevc_qsv_decoder_deps="libmfx"
1960 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
1961 hevc_qsv_encoder_select="qsvenc"
1962 huffyuv_decoder_select="bswapdsp huffyuvdsp"
1963 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
1964 iac_decoder_select="imc_decoder"
1965 imc_decoder_select="bswapdsp fft mdct sinewin"
1966 indeo3_decoder_select="hpeldsp"
1967 indeo4_decoder_select="ividsp"
1968 indeo5_decoder_select="ividsp"
1969 interplay_video_decoder_select="hpeldsp"
1970 jpegls_decoder_select="golomb mjpeg_decoder"
1971 jpegls_encoder_select="golomb"
1972 jv_decoder_select="blockdsp"
1973 lagarith_decoder_select="huffyuvdsp"
1974 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
1975 loco_decoder_select="golomb"
1976 mdec_decoder_select="blockdsp idctdsp mpegvideo"
1977 metasound_decoder_select="lsp mdct sinewin"
1978 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
1979 mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
1980 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
1981 mjpegb_decoder_select="mjpeg_decoder"
1982 mlp_decoder_select="mlp_parser"
1983 motionpixels_decoder_select="bswapdsp"
1984 mp1_decoder_select="mpegaudio"
1985 mp1float_decoder_select="mpegaudio"
1986 mp2_decoder_select="mpegaudio"
1987 mp2float_decoder_select="mpegaudio"
1988 mp3_decoder_select="mpegaudio"
1989 mp3adu_decoder_select="mpegaudio"
1990 mp3adufloat_decoder_select="mpegaudio"
1991 mp3float_decoder_select="mpegaudio"
1992 mp3on4_decoder_select="mpegaudio"
1993 mp3on4float_decoder_select="mpegaudio"
1994 mpc7_decoder_select="bswapdsp mpegaudiodsp"
1995 mpc8_decoder_select="mpegaudiodsp"
1996 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1997 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1998 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
1999 mpeg1video_encoder_select="aandcttables mpegvideoenc"
2000 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2001 mpeg2video_encoder_select="aandcttables mpegvideoenc"
2002 mpeg2_qsv_decoder_deps="libmfx"
2003 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel mpegvideo_parser"
2004 mpeg2_qsv_encoder_deps="libmfx"
2005 mpeg2_qsv_encoder_select="qsvenc"
2006 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2007 mpeg4_encoder_select="h263_encoder"
2008 msa1_decoder_select="mss34dsp"
2009 msmpeg4v1_decoder_select="h263_decoder"
2010 msmpeg4v2_decoder_select="h263_decoder"
2011 msmpeg4v2_encoder_select="h263_encoder"
2012 msmpeg4v3_decoder_select="h263_decoder"
2013 msmpeg4v3_encoder_select="h263_encoder"
2014 mss2_decoder_select="error_resilience mpeg_er mpegvideo vc1_decoder"
2015 mts2_decoder_select="mss34dsp"
2016 mxpeg_decoder_select="mjpeg_decoder"
2017 nellymoser_decoder_select="mdct sinewin"
2018 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2019 nuv_decoder_select="idctdsp lzo"
2020 nvenc_h264_encoder_deps="nvenc"
2021 nvenc_hevc_encoder_deps="nvenc"
2022 on2avc_decoder_select="mdct"
2023 opus_decoder_deps="avresample"
2024 opus_decoder_select="imdct15"
2025 png_decoder_deps="zlib"
2026 png_encoder_deps="zlib"
2027 png_encoder_select="huffyuvencdsp"
2028 prores_decoder_select="idctdsp"
2029 prores_encoder_select="fdctdsp"
2030 qcelp_decoder_select="lsp"
2031 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2032 ra_144_encoder_select="audio_frame_queue lpc"
2033 ralf_decoder_select="golomb"
2034 rscc_decoder_deps="zlib"
2035 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2036 rv10_encoder_select="h263_encoder"
2037 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2038 rv20_encoder_select="h263_encoder"
2039 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2040 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2041 screenpresso_decoder_deps="zlib"
2042 shorten_decoder_select="golomb"
2043 sipr_decoder_select="lsp"
2044 sp5x_decoder_select="mjpeg_decoder"
2045 svq1_decoder_select="hpeldsp"
2046 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2047 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2048 svq3_decoder_suggest="zlib"
2049 tak_decoder_select="audiodsp"
2050 tdsc_decoder_deps="zlib"
2051 tdsc_decoder_select="mjpeg_decoder"
2052 theora_decoder_select="vp3_decoder"
2053 thp_decoder_select="mjpeg_decoder"
2054 tiff_decoder_suggest="zlib"
2055 tiff_encoder_suggest="zlib"
2056 truehd_decoder_select="mlp_decoder"
2057 truemotion2_decoder_select="bswapdsp"
2058 truespeech_decoder_select="bswapdsp"
2059 tscc_decoder_deps="zlib"
2060 txd_decoder_select="texturedsp"
2061 twinvq_decoder_select="mdct lsp sinewin"
2062 utvideo_decoder_select="bswapdsp"
2063 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2064 vble_decoder_select="huffyuvdsp"
2065 vc1_decoder_select="blockdsp error_resilience h263_decoder h264qpel intrax8 mpeg_er mpegvideo vc1dsp"
2066 vc1image_decoder_select="vc1_decoder"
2067 vorbis_decoder_select="mdct"
2068 vorbis_encoder_select="mdct"
2069 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2070 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2071 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2072 vp6a_decoder_select="vp6_decoder"
2073 vp6f_decoder_select="vp6_decoder"
2074 vp7_decoder_select="h264pred videodsp vp8dsp"
2075 vp8_decoder_select="h264pred videodsp vp8dsp"
2076 vp9_decoder_select="videodsp"
2077 webp_decoder_select="vp8_decoder"
2078 wmapro_decoder_select="mdct sinewin wma_freqs"
2079 wmav1_decoder_select="mdct sinewin wma_freqs"
2080 wmav1_encoder_select="mdct sinewin wma_freqs"
2081 wmav2_decoder_select="mdct sinewin wma_freqs"
2082 wmav2_encoder_select="mdct sinewin wma_freqs"
2083 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2084 wmv1_decoder_select="h263_decoder"
2085 wmv1_encoder_select="h263_encoder"
2086 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2087 wmv2_encoder_select="h263_encoder wmv2dsp"
2088 wmv3_decoder_select="vc1_decoder"
2089 wmv3image_decoder_select="wmv3_decoder"
2090 zerocodec_decoder_deps="zlib"
2091 zlib_decoder_deps="zlib"
2092 zlib_encoder_deps="zlib"
2093 zmbv_decoder_deps="zlib"
2094 zmbv_encoder_deps="zlib"
2095
2096 # hardware accelerators
2097 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2098 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2099 vaapi_deps="va_va_h"
2100 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2101 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2102 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2103
2104 h263_vaapi_hwaccel_deps="vaapi"
2105 h263_vaapi_hwaccel_select="h263_decoder"
2106 h264_d3d11va_hwaccel_deps="d3d11va"
2107 h264_d3d11va_hwaccel_select="h264_decoder"
2108 h264_dxva2_hwaccel_deps="dxva2"
2109 h264_dxva2_hwaccel_select="h264_decoder"
2110 h264_mmal_decoder_deps="mmal"
2111 h264_mmal_hwaccel_deps="mmal"
2112 h264_mmal_decoder_select="h264_decoder"
2113 h264_mmal_encoder_deps="mmal"
2114 h264_qsv_hwaccel_deps="libmfx"
2115 h264_vaapi_hwaccel_deps="vaapi"
2116 h264_vaapi_hwaccel_select="h264_decoder"
2117 h264_vda_hwaccel_deps="vda"
2118 h264_vda_hwaccel_select="h264_decoder"
2119 h264_vda_old_hwaccel_deps="vda"
2120 h264_vda_old_hwaccel_select="h264_decoder"
2121 h264_vdpau_hwaccel_deps="vdpau"
2122 h264_vdpau_hwaccel_select="h264_decoder"
2123 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2124 hevc_d3d11va_hwaccel_select="hevc_decoder"
2125 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2126 hevc_dxva2_hwaccel_select="hevc_decoder"
2127 hevc_qsv_hwaccel_deps="libmfx"
2128 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2129 hevc_vdpau_hwaccel_select="hevc_decoder"
2130 mpeg1_vdpau_hwaccel_deps="vdpau"
2131 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2132 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2133 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2134 mpeg2_dxva2_hwaccel_deps="dxva2"
2135 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2136 mpeg2_qsv_hwaccel_deps="libmfx"
2137 mpeg2_vaapi_hwaccel_deps="vaapi"
2138 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2139 mpeg2_vdpau_hwaccel_deps="vdpau"
2140 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2141 mpeg4_vaapi_hwaccel_deps="vaapi"
2142 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2143 mpeg4_vdpau_hwaccel_deps="vdpau"
2144 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2145 vc1_d3d11va_hwaccel_deps="d3d11va"
2146 vc1_d3d11va_hwaccel_select="vc1_decoder"
2147 vc1_dxva2_hwaccel_deps="dxva2"
2148 vc1_dxva2_hwaccel_select="vc1_decoder"
2149 vc1_vaapi_hwaccel_deps="vaapi"
2150 vc1_vaapi_hwaccel_select="vc1_decoder"
2151 vc1_vdpau_hwaccel_deps="vdpau"
2152 vc1_vdpau_hwaccel_select="vc1_decoder"
2153 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2154 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2155 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2156 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2157
2158 # parsers
2159 h264_parser_select="h264_decoder"
2160 hevc_parser_select="golomb"
2161 mpegvideo_parser_select="mpegvideo"
2162 mpeg4video_parser_select="error_resilience h263dsp mpegvideo qpeldsp"
2163 vc1_parser_select="vc1dsp"
2164
2165 # bitstream_filters
2166 mjpeg2jpeg_bsf_select="jpegtables"
2167
2168 # external libraries
2169 libdcadec_decoder_deps="libdcadec"
2170 libfaac_encoder_deps="libfaac"
2171 libfaac_encoder_select="audio_frame_queue"
2172 libfdk_aac_decoder_deps="libfdk_aac"
2173 libfdk_aac_encoder_deps="libfdk_aac"
2174 libfdk_aac_encoder_select="audio_frame_queue"
2175 libgsm_decoder_deps="libgsm"
2176 libgsm_encoder_deps="libgsm"
2177 libgsm_ms_decoder_deps="libgsm"
2178 libgsm_ms_encoder_deps="libgsm"
2179 libilbc_decoder_deps="libilbc"
2180 libilbc_encoder_deps="libilbc"
2181 libkvazaar_encoder_deps="libkvazaar"
2182 libmp3lame_encoder_deps="libmp3lame"
2183 libmp3lame_encoder_select="audio_frame_queue"
2184 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2185 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2186 libopencore_amrnb_encoder_select="audio_frame_queue"
2187 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2188 libopenh264_encoder_deps="libopenh264"
2189 libopenjpeg_decoder_deps="libopenjpeg"
2190 libopenjpeg_encoder_deps="libopenjpeg"
2191 libopus_decoder_deps="libopus"
2192 libopus_encoder_deps="libopus"
2193 libopus_encoder_select="audio_frame_queue"
2194 libschroedinger_decoder_deps="libschroedinger"
2195 libschroedinger_encoder_deps="libschroedinger"
2196 libspeex_decoder_deps="libspeex"
2197 libspeex_encoder_deps="libspeex"
2198 libspeex_encoder_select="audio_frame_queue"
2199 libtheora_encoder_deps="libtheora"
2200 libtwolame_encoder_deps="libtwolame"
2201 libvo_aacenc_encoder_deps="libvo_aacenc"
2202 libvo_aacenc_encoder_select="audio_frame_queue"
2203 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2204 libvorbis_encoder_deps="libvorbis"
2205 libvorbis_encoder_select="audio_frame_queue"
2206 libvpx_vp8_decoder_deps="libvpx"
2207 libvpx_vp8_encoder_deps="libvpx"
2208 libvpx_vp9_decoder_deps="libvpx"
2209 libvpx_vp9_encoder_deps="libvpx"
2210 libwavpack_encoder_deps="libwavpack"
2211 libwebp_encoder_deps="libwebp"
2212 libx262_encoder_deps="libx262"
2213 libx264_encoder_deps="libx264"
2214 libx265_encoder_deps="libx265"
2215 libxavs_encoder_deps="libxavs"
2216 libxvid_encoder_deps="libxvid"
2217
2218 # demuxers / muxers
2219 ac3_demuxer_select="ac3_parser"
2220 asf_demuxer_select="riffdec"
2221 asf_muxer_select="riffenc"
2222 asf_stream_muxer_select="asf_muxer"
2223 avi_demuxer_select="iso_media riffdec"
2224 avi_muxer_select="riffenc"
2225 avisynth_demuxer_deps="avisynth"
2226 avisynth_demuxer_select="riffdec"
2227 caf_demuxer_select="iso_media riffdec"
2228 dash_muxer_select="mp4_muxer"
2229 dirac_demuxer_select="dirac_parser"
2230 dv_demuxer_select="dvprofile"
2231 dv_muxer_select="dvprofile"
2232 dxa_demuxer_select="riffdec"
2233 eac3_demuxer_select="ac3_parser"
2234 f4v_muxer_select="mov_muxer"
2235 flac_demuxer_select="flac_parser"
2236 hds_muxer_select="flv_muxer"
2237 hls_muxer_select="mpegts_muxer"
2238 ipod_muxer_select="mov_muxer"
2239 ismv_muxer_select="mov_muxer"
2240 matroska_audio_muxer_select="matroska_muxer"
2241 matroska_demuxer_select="iso_media riffdec"
2242 matroska_demuxer_suggest="bzlib lzo zlib"
2243 matroska_muxer_select="iso_media riffenc"
2244 mmf_muxer_select="riffenc"
2245 mov_demuxer_select="iso_media riffdec"
2246 mov_demuxer_suggest="zlib"
2247 mov_muxer_select="iso_media riffenc rtpenc_chain"
2248 mp3_demuxer_select="mpegaudio_parser"
2249 mp4_muxer_select="mov_muxer"
2250 mpegts_demuxer_select="iso_media"
2251 mpegts_muxer_select="adts_muxer latm_muxer"
2252 mpegtsraw_demuxer_select="mpegts_demuxer"
2253 mxf_d10_muxer_select="mxf_muxer"
2254 nut_muxer_select="riffenc"
2255 nuv_demuxer_select="riffdec"
2256 oga_muxer_select="ogg_muxer"
2257 ogg_demuxer_select="dirac_parse"
2258 opus_muxer_select="ogg_muxer"
2259 psp_muxer_select="mov_muxer"
2260 rtp_demuxer_select="sdp_demuxer"
2261 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2262 rtsp_demuxer_select="http_protocol rtpdec"
2263 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2264 sap_demuxer_select="sdp_demuxer"
2265 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2266 sdp_demuxer_select="rtpdec"
2267 smoothstreaming_muxer_select="ismv_muxer"
2268 spdif_muxer_select="aac_parser"
2269 spx_muxer_select="ogg_muxer"
2270 swf_demuxer_suggest="zlib"
2271 tak_demuxer_select="tak_parser"
2272 tg2_muxer_select="mov_muxer"
2273 tgp_muxer_select="mov_muxer"
2274 w64_demuxer_select="wav_demuxer"
2275 wav_demuxer_select="riffdec"
2276 wav_muxer_select="riffenc"
2277 webm_muxer_select="iso_media riffenc"
2278 webm_muxer_suggest="libopus_encoder libvorbis_encoder libvpx_vp8_encoder libvpx_vp9_encoder"
2279 wtv_demuxer_select="mpegts_demuxer riffdec"
2280 xmv_demuxer_select="riffdec"
2281 xwma_demuxer_select="riffdec"
2282
2283 # indevs / outdevs
2284 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2285 alsa_outdev_deps="alsa_asoundlib_h"
2286 avfoundation_indev_deps="AVFoundation_AVFoundation_h"
2287 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2288 dv1394_indev_deps="dv1394"
2289 dv1394_indev_select="dv_demuxer"
2290 fbdev_indev_deps="linux_fb_h"
2291 jack_indev_deps="jack_jack_h pthreads"
2292 libcdio_indev_deps="libcdio"
2293 libdc1394_indev_deps="libdc1394"
2294 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2295 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2296 pulse_indev_deps="libpulse"
2297 sndio_indev_deps="sndio_h"
2298 sndio_outdev_deps="sndio_h"
2299 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2300 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2301 vfwcap_indev_extralibs="-lavicap32"
2302 x11grab_indev_deps="x11grab"
2303 x11grab_xcb_indev_deps="libxcb"
2304
2305 # protocols
2306 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2307 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2308 ffrtmpcrypt_protocol_select="tcp_protocol"
2309 ffrtmphttp_protocol_deps="!librtmp_protocol"
2310 ffrtmphttp_protocol_select="http_protocol"
2311 gopher_protocol_select="network"
2312 http_protocol_select="tcp_protocol"
2313 httpproxy_protocol_select="tcp_protocol"
2314 https_protocol_select="tls_protocol"
2315 icecast_protocol_select="http_protocol"
2316 librtmp_protocol_deps="librtmp"
2317 librtmpe_protocol_deps="librtmp"
2318 librtmps_protocol_deps="librtmp"
2319 librtmpt_protocol_deps="librtmp"
2320 librtmpte_protocol_deps="librtmp"
2321 mmsh_protocol_select="http_protocol"
2322 mmst_protocol_select="network"
2323 rtmp_protocol_deps="!librtmp_protocol"
2324 rtmp_protocol_select="tcp_protocol"
2325 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2326 rtmps_protocol_deps="!librtmp_protocol"
2327 rtmps_protocol_select="tls_protocol"
2328 rtmpt_protocol_select="ffrtmphttp_protocol"
2329 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2330 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2331 rtp_protocol_select="udp_protocol"
2332 sctp_protocol_deps="struct_sctp_event_subscribe"
2333 sctp_protocol_select="network"
2334 srtp_protocol_select="rtp_protocol"
2335 tcp_protocol_select="network"
2336 tls_gnutls_protocol_deps="gnutls"
2337 tls_gnutls_protocol_select="tcp_protocol"
2338 tls_openssl_protocol_deps="openssl !tls_gnutls_protocol"
2339 tls_openssl_protocol_select="tcp_protocol"
2340 tls_protocol_deps_any="tls_gnutls_protocol tls_openssl_protocol"
2341 udp_protocol_select="network"
2342 unix_protocol_deps="sys_un_h"
2343 unix_protocol_select="network"
2344
2345 # filters
2346 blackframe_filter_deps="gpl"
2347 boxblur_filter_deps="gpl"
2348 bs2b_filter_deps="libbs2b"
2349 cropdetect_filter_deps="gpl"
2350 delogo_filter_deps="gpl"
2351 drawtext_filter_deps="libfreetype"
2352 frei0r_filter_deps="frei0r dlopen"
2353 frei0r_filter_extralibs='$ldl'
2354 frei0r_src_filter_deps="frei0r dlopen"
2355 frei0r_src_filter_extralibs='$ldl'
2356 hqdn3d_filter_deps="gpl"
2357 hwupload_cuda_filter_deps="cuda"
2358 interlace_filter_deps="gpl"
2359 ocv_filter_deps="libopencv"
2360 resample_filter_deps="avresample"
2361 scale_filter_deps="swscale"
2362
2363 # examples
2364 avcodec_example_deps="avcodec avutil"
2365 filter_audio_example_deps="avfilter avutil"
2366 metadata_example_deps="avformat avutil"
2367 output_example_deps="avcodec avformat avutil swscale"
2368 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2369 transcode_aac_example_deps="avcodec avformat avresample"
2370
2371 # libraries, in linking order
2372 avcodec_deps="avutil"
2373 avdevice_deps="avformat avcodec avutil"
2374 avfilter_deps="avutil"
2375 avformat_deps="avcodec avutil"
2376 avresample_deps="avutil"
2377 swscale_deps="avutil"
2378
2379 # programs
2380 avconv_deps="avcodec avfilter avformat avresample swscale"
2381 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2382 fps_filter null_filter resample_filter scale_filter
2383 setpts_filter trim_filter"
2384 avplay_deps="avcodec avfilter avformat avresample sdl"
2385 avplay_libs='$sdl_libs'
2386 avplay_select="rdft format_filter transpose_filter hflip_filter vflip_filter"
2387 avprobe_deps="avcodec avformat"
2388
2389 # documentation
2390 pod2man_deps="doc"
2391 texi2html_deps="doc"
2392
2393 # default parameters
2394
2395 logfile="config.log"
2396
2397 # installation paths
2398 prefix_default="/usr/local"
2399 bindir_default='${prefix}/bin'
2400 datadir_default='${prefix}/share/avconv'
2401 docdir_default='${prefix}/share/doc/libav'
2402 incdir_default='${prefix}/include'
2403 libdir_default='${prefix}/lib'
2404 mandir_default='${prefix}/share/man'
2405 shlibdir_default="$libdir_default"
2406
2407 # toolchain
2408 ar_default="ar"
2409 cc_default="gcc"
2410 host_cc_default="gcc"
2411 cp_f="cp -f"
2412 ln_s="ln -s -f"
2413 nm_default="nm -g"
2414 objformat="elf"
2415 pkg_config_default=pkg-config
2416 ranlib="ranlib"
2417 strip="strip"
2418 yasmexe="yasm"
2419
2420 # machine
2421 arch_default=$(uname -m)
2422 cpu="generic"
2423 intrinsics="none"
2424
2425 # OS
2426 target_os_default=$(tolower $(uname -s))
2427 host_os=$target_os_default
2428
2429 # configurable options
2430 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2431
2432 enable asm
2433 enable debug
2434 enable doc
2435 enable faan faandct faanidct
2436 enable optimizations
2437 enable safe_bitstream_reader
2438 enable static
2439 enable swscale_alpha
2440 enable valgrind_backtrace
2441
2442 # By default, enable only those hwaccels that have no external dependencies.
2443 enable d3d11va dxva2 vda vdpau
2444
2445 # build settings
2446 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2447 LIBPREF="lib"
2448 LIBSUF=".a"
2449 FULLNAME='$(NAME)$(BUILDSUF)'
2450 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2451 SLIBPREF="lib"
2452 SLIBSUF=".so"
2453 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2454 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2455 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2456 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2457 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2458 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2459
2460 asflags_filter=echo
2461 cflags_filter=echo
2462 ldflags_filter=echo
2463
2464 AS_C='-c'
2465 AS_O='-o $@'
2466 CC_C='-c'
2467 CC_E='-E -o $@'
2468 CC_O='-o $@'
2469 OBJCC_C='-c'
2470 OBJCC_E='-E -o $@'
2471 OBJCC_O='-o $@'
2472 LD_O='-o $@'
2473 LD_LIB='-l%'
2474 LD_PATH='-L'
2475 HOSTCC_C='-c'
2476 HOSTCC_E='-E -o $@'
2477 HOSTCC_O='-o $@'
2478 HOSTLD_O='-o $@'
2479
2480 host_libs='-lm'
2481 host_cflags_filter=echo
2482 host_ldflags_filter=echo
2483
2484 target_path='$(CURDIR)'
2485
2486 # since the object filename is not given with the -MM flag, the compiler
2487 # is only able to print the basename, and we must add the path ourselves
2488 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2489 DEPFLAGS='-MM'
2490
2491 # find source path
2492 if test -f configure; then
2493 source_path=.
2494 else
2495 source_path=$(cd $(dirname "$0"); pwd)
2496 echo "$source_path" | grep -q '[[:blank:]]' &&
2497 die "Out of tree builds are impossible with whitespace in source path."
2498 test -e "$source_path/config.h" &&
2499 die "Out of tree builds are impossible with config.h in source dir."
2500 fi
2501
2502 for v in "$@"; do
2503 r=${v#*=}
2504 l=${v%"$r"}
2505 r=$(sh_quote "$r")
2506 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2507 done
2508
2509 find_things(){
2510 thing=$1
2511 pattern=$2
2512 file=$source_path/$3
2513 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2514 }
2515
2516 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2517 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2518 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2519 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2520 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2521 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2522 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2523 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2524 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2525 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2526
2527 find_things_extern(){
2528 thing=$1
2529 pattern=$2
2530 file=$source_path/$3
2531 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
2532 }
2533
2534 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
2535
2536 ALL_COMPONENTS="
2537 $BSF_LIST
2538 $DECODER_LIST
2539 $DEMUXER_LIST
2540 $ENCODER_LIST
2541 $FILTER_LIST
2542 $HWACCEL_LIST
2543 $INDEV_LIST
2544 $MUXER_LIST
2545 $OUTDEV_LIST
2546 $PARSER_LIST
2547 $PROTOCOL_LIST
2548 "
2549
2550 for n in $COMPONENT_LIST; do
2551 v=$(toupper ${n%s})_LIST
2552 eval enable \$$v
2553 eval ${n}_if_any="\$$v"
2554 done
2555
2556 enable $ARCH_EXT_LIST
2557
2558 die_unknown(){
2559 echo "Unknown option \"$1\"."
2560 echo "See $0 --help for available options."
2561 exit 1
2562 }
2563
2564 print_3_columns() {
2565 printf "%-25s %-25s %-25s\n" $(cat | tr ' ' '\n' | sort)
2566 }
2567
2568 show_list() {
2569 suffix=_$1
2570 shift
2571 echo $* | sed s/$suffix//g | print_3_columns
2572 exit 0
2573 }
2574
2575 rand_list(){
2576 IFS=', '
2577 set -- $*
2578 unset IFS
2579 for thing; do
2580 comp=${thing%:*}
2581 prob=${thing#$comp}
2582 prob=${prob#:}
2583 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2584 echo "prob ${prob:-0.5}"
2585 printf '%s\n' $comp
2586 done
2587 }
2588
2589 do_random(){
2590 action=$1
2591 shift
2592 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2593 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2594 }
2595
2596 for opt do
2597 optval="${opt#*=}"
2598 case "$opt" in
2599 --extra-ldflags=*)
2600 add_ldflags $optval
2601 ;;
2602 --extra-ldexeflags=*)
2603 add_ldexeflags $optval
2604 ;;
2605 --extra-libs=*)
2606 add_extralibs $optval
2607 ;;
2608 --disable-devices)
2609 disable $INDEV_LIST $OUTDEV_LIST
2610 ;;
2611 --enable-debug=*)
2612 debuglevel="$optval"
2613 ;;
2614 --disable-programs)
2615 disable $PROGRAM_LIST
2616 ;;
2617 --disable-everything)
2618 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2619 ;;
2620 --disable-all)
2621 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2622 disable $LIBRARY_LIST $PROGRAM_LIST doc
2623 ;;
2624 --enable-random|--disable-random)
2625 action=${opt%%-random}
2626 do_random ${action#--} $COMPONENT_LIST
2627 ;;
2628 --enable-random=*|--disable-random=*)
2629 action=${opt%%-random=*}
2630 do_random ${action#--} $optval
2631 ;;
2632 --enable-*=*|--disable-*=*)
2633 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2634 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2635 eval list=\$$(toupper $thing)_LIST
2636 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2637 $action $(filter "$name" $list)
2638 ;;
2639 --enable-avserver|--disable-avserver*)
2640 warn "avserver has been removed, the ${opt} option is only"\
2641 "provided for compatibility and will be removed in the future"
2642 ;;
2643 --enable-?*|--disable-?*)
2644 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2645 if is_in $option $COMPONENT_LIST; then
2646 test $action = disable && action=unset
2647 eval $action \$$(toupper ${option%s})_LIST
2648 elif is_in $option $CMDLINE_SELECT; then
2649 $action $option
2650 else
2651 die_unknown $opt
2652 fi
2653 ;;
2654 --list-*)
2655 NAME="${opt#--list-}"
2656 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2657 NAME=${NAME%s}
2658 eval show_list $NAME \$$(toupper $NAME)_LIST
2659 ;;
2660 --help|-h) show_help
2661 ;;
2662 *)
2663 optname="${opt%%=*}"
2664 optname="${optname#--}"
2665 optname=$(echo "$optname" | sed 's/-/_/g')
2666 if is_in $optname $CMDLINE_SET; then
2667 eval $optname='$optval'
2668 elif is_in $optname $CMDLINE_APPEND; then
2669 append $optname "$optval"
2670 else
2671 die_unknown $opt
2672 fi
2673 ;;
2674 esac
2675 done
2676
2677 for e in $env; do
2678 eval "export $e"
2679 done
2680
2681 disabled logging && logfile=/dev/null
2682
2683 # Disable all the library-specific components if the library itself
2684 # is disabled, see AVCODEC_LIST and following _LIST variables.
2685
2686 disable_components(){
2687 disabled ${1} && disable $(
2688 eval components="\$$(toupper ${1})_COMPONENTS"
2689 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
2690 )
2691 }
2692
2693 map 'disable_components $v' $LIBRARY_LIST
2694
2695 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2696 set >> $logfile
2697
2698 case "$toolchain" in
2699 *-asan)
2700 cc_default="${toolchain%-asan}"
2701 add_cflags -fsanitize=address
2702 add_ldflags -fsanitize=address
2703 ;;
2704 *-tsan)
2705 cc_default="${toolchain%-tsan}"
2706 add_cflags -fsanitize=thread -pie
2707 add_ldflags -fsanitize=thread -pie
2708 case "$toolchain" in
2709 gcc-tsan)
2710 add_cflags -fPIC
2711 add_ldflags -fPIC
2712 ;;
2713 esac
2714 ;;
2715 *-usan)
2716 cc_default="${toolchain%-usan}"
2717 add_cflags -fsanitize=undefined
2718 add_ldflags -fsanitize=undefined
2719 case "$toolchain" in
2720 clang-usan)
2721 add_cflags -O1
2722 ;;
2723 esac
2724 ;;
2725 valgrind-*)
2726 target_exec_default="valgrind"
2727 case "$toolchain" in
2728 valgrind-massif)
2729 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2730 ;;
2731 valgrind-memcheck)
2732 target_exec_args="--track-origins=yes --leak-check=full"
2733 ;;
2734 esac
2735 ;;
2736 msvc)
2737 # Check whether the current MSVC version needs the C99 converter.
2738 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2739 # support enough of C99 to build libav. Default to the new
2740 # behaviour if the regexp was unable to match anything, since this
2741 # successfully parses the version number of existing supported
2742 # versions that require the converter (MSVC 2010 and 2012).
2743 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2744 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2745 cc_default="cl"
2746 else
2747 cc_default="c99wrap cl"
2748 fi
2749 ld_default="$source_path/compat/windows/mslink"
2750 nm_default="dumpbin -symbols"
2751 ar_default="lib"
2752 case "$arch" in
2753 arm*)
2754 as_default="armasm"
2755 ;;
2756 esac
2757 target_os_default="win32"
2758 # Use a relative path for TMPDIR. This makes sure all the
2759 # ffconf temp files are written with a relative path, avoiding
2760 # issues with msys/win32 path conversion for MSVC parameters
2761 # such as -Fo<file> or -out:<file>.
2762 TMPDIR=.
2763 ;;
2764 icl)
2765 cc_default="icl"
2766 ld_default="xilink"
2767 nm_default="dumpbin -symbols"
2768 ar_default="xilib"
2769 target_os_default="win32"
2770 TMPDIR=.
2771 ;;
2772 gcov)
2773 add_cflags -fprofile-arcs -ftest-coverage
2774 add_ldflags -fprofile-arcs -ftest-coverage
2775 ;;
2776 hardened)
2777 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
2778 add_cflags -fno-strict-overflow -fstack-protector-all
2779 add_ldflags -Wl,-z,relro -Wl,-z,now
2780 ;;
2781 ?*)
2782 die "Unknown toolchain $toolchain"
2783 ;;
2784 esac
2785
2786 test -n "$cross_prefix" && enable cross_compile
2787
2788 if enabled cross_compile; then
2789 test -n "$arch" && test -n "$target_os" ||
2790 die "Must specify target arch and OS when cross-compiling"
2791 fi
2792
2793 ar_default="${cross_prefix}${ar_default}"
2794 cc_default="${cross_prefix}${cc_default}"
2795 occ_default="${cross_prefix}${occ_default}"
2796 nm_default="${cross_prefix}${nm_default}"
2797 pkg_config_default="${cross_prefix}${pkg_config_default}"
2798 ranlib="${cross_prefix}${ranlib}"
2799 strip="${cross_prefix}${strip}"
2800
2801 sysinclude_default="${sysroot}/usr/include"
2802
2803 set_default arch cc pkg_config sysinclude target_exec target_os
2804 enabled cross_compile || host_cc_default=$cc
2805 set_default host_cc
2806
2807 if ! $pkg_config --version >/dev/null 2>&1; then
2808 warn "$pkg_config not found, library detection may fail."
2809 pkg_config=false
2810 fi
2811
2812 exesuf() {
2813 case $1 in
2814 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2815 esac
2816 }
2817
2818 EXESUF=$(exesuf $target_os)
2819 HOSTEXESUF=$(exesuf $host_os)
2820
2821 # set temporary file name
2822 : ${TMPDIR:=$TEMPDIR}
2823 : ${TMPDIR:=$TMP}
2824 : ${TMPDIR:=/tmp}
2825
2826 if ! check_cmd mktemp -u XXXXXX; then
2827 # simple replacement for missing mktemp
2828 # NOT SAFE FOR GENERAL USE
2829 mktemp(){
2830 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2831 }
2832 fi
2833
2834 tmpfile(){
2835 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2836 (set -C; exec > $tmp) 2>/dev/null ||
2837 die "Unable to create temporary file in $TMPDIR."
2838 append TMPFILES $tmp
2839 eval $1=$tmp
2840 }
2841
2842 trap 'rm -f -- $TMPFILES' EXIT
2843
2844 tmpfile TMPASM .asm
2845 tmpfile TMPC .c
2846 tmpfile TMPE $EXESUF
2847 tmpfile TMPH .h
2848 tmpfile TMPO .o
2849 tmpfile TMPS .S
2850 tmpfile TMPSH .sh
2851 tmpfile TMPV .ver
2852
2853 unset -f mktemp
2854
2855 chmod +x $TMPE
2856
2857 # make sure we can execute files in $TMPDIR
2858 cat > $TMPSH 2>> $logfile <<EOF
2859 #! /bin/sh
2860 EOF
2861 chmod +x $TMPSH >> $logfile 2>&1
2862 if ! $TMPSH >> $logfile 2>&1; then
2863 cat <<EOF
2864 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2865 variable to another directory and make sure that it is not mounted noexec.
2866 EOF
2867 die "Sanity test failed."
2868 fi
2869
2870 armasm_flags(){
2871 for flag; do
2872 case $flag in
2873 # Filter out MSVC cl.exe options from cflags that shouldn't
2874 # be passed to gas-preprocessor
2875 -M[TD]*) ;;
2876 *) echo $flag ;;
2877 esac
2878 done
2879 }
2880
2881 ccc_flags(){
2882 for flag; do
2883 case $flag in
2884 -std=c99) echo -c99 ;;
2885 -mcpu=*) echo -arch ${flag#*=} ;;
2886 -mieee) echo -ieee ;;
2887 -O*|-fast) echo $flag ;;
2888 -fno-math-errno) echo -assume nomath_errno ;;
2889 -g) echo -g3 ;;
2890 -Wall) echo -msg_enable level2 ;;
2891 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2892 -Wl,*) echo $flag ;;
2893 -f*|-W*) ;;
2894 *) echo $flag ;;
2895 esac
2896 done
2897 }
2898
2899 cparser_flags(){
2900 for flag; do
2901 case $flag in
2902 -Wno-switch) echo -Wno-switch-enum ;;
2903 -Wno-format-zero-length) ;;
2904 -Wdisabled-optimization) ;;
2905 -Wno-pointer-sign) echo -Wno-other ;;
2906 *) echo $flag ;;
2907 esac
2908 done
2909 }
2910
2911 msvc_common_flags(){
2912 for flag; do
2913 case $flag in
2914 # In addition to specifying certain flags under the compiler
2915 # specific filters, they must be specified here as well or else the
2916 # generic catch all at the bottom will print the original flag.
2917 -Wall) ;;
2918 -std=c99) ;;
2919 # Common flags
2920 -fomit-frame-pointer) ;;
2921 -g) echo -Z7 ;;
2922 -fno-math-errno) ;;
2923 -fno-common) ;;
2924 -fno-signed-zeros) ;;
2925 -fPIC) ;;
2926 -mthumb) ;;
2927 -march=*) ;;
2928 -lz) echo zlib.lib ;;
2929 -lavifil32) echo vfw32.lib ;;
2930 -lavicap32) echo vfw32.lib user32.lib ;;
2931 -lx264) echo libx264.lib ;;
2932 -l*) echo ${flag#-l}.lib ;;
2933 -L*) echo -libpath:${flag#-L} ;;
2934 *) echo $flag ;;
2935 esac
2936 done
2937 }
2938
2939 msvc_flags(){
2940 msvc_common_flags "$@"
2941 for flag; do
2942 case $flag in
2943 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2944 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2945 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2946 -wd4273 -wd4554 -wd4701 ;;
2947 esac
2948 done
2949 }
2950
2951 icl_flags(){
2952 msvc_common_flags "$@"
2953 for flag; do
2954 case $flag in
2955 # Despite what Intel's documentation says -Wall, which is supported
2956 # on Windows, does enable remarks so disable them here.
2957 -Wall) echo $flag -Qdiag-disable:remark ;;
2958 -std=c99) echo -Qstd=c99 ;;
2959 esac
2960 done
2961 }
2962
2963 pgi_flags(){
2964 for flag; do
2965 case $flag in
2966 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2967 -fomit-frame-pointer) echo -Mnoframe ;;
2968 -g) echo -gopt ;;
2969 *) echo $flag ;;
2970 esac
2971 done
2972 }
2973
2974 suncc_flags(){
2975 for flag; do
2976 case $flag in
2977 -march=*|-mcpu=*)
2978 case "${flag#*=}" in
2979 native) echo -xtarget=native ;;
2980 v9|niagara) echo -xarch=sparc ;;
2981 ultrasparc) echo -xarch=sparcvis ;;
2982 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2983 i586|pentium) echo -xchip=pentium ;;
2984 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2985 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2986 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2987 pentium4*) echo -xtarget=pentium4 ;;
2988 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2989 *-sse3) echo -xarch=sse3 ;;
2990 core2) echo -xarch=ssse3 -xchip=core2 ;;
2991 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2992 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2993 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
2994 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2995 k8|opteron|athlon64|athlon-fx)
2996 echo -xarch=sse2a ;;
2997 athlon*) echo -xarch=pentium_proa ;;
2998 esac
2999 ;;
3000 -std=c99) echo -xc99 ;;
3001 -fomit-frame-pointer) echo -xregs=frameptr ;;
3002 -fPIC) echo -KPIC -xcode=pic32 ;;
3003 -W*,*) echo $flag ;;
3004 -f*-*|-W*|-mimpure-text) ;;
3005 -shared) echo -G ;;
3006 *) echo $flag ;;
3007 esac
3008 done
3009 }
3010
3011 tms470_flags(){
3012 for flag; do
3013 case $flag in
3014 -march=*|-mcpu=*)
3015 case "${flag#*=}" in
3016 armv7-a|cortex-a*) echo -mv=7a8 ;;
3017 armv7-r|cortex-r*) echo -mv=7r4 ;;
3018 armv7-m|cortex-m*) echo -mv=7m3 ;;
3019 armv6*|arm11*) echo -mv=6 ;;
3020 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3021 echo -mv=5e ;;
3022 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3023 esac
3024 ;;
3025 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3026 -mfpu=vfp) echo --float_support=vfpv2 ;;
3027 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3028 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3029 -msoft-float) echo --float_support=vfplib ;;
3030 -O[0-3]|-mf=*) echo $flag ;;
3031 -g) echo -g -mn ;;
3032 -pds=*) echo $flag ;;
3033 -D*|-I*) echo $flag ;;
3034 --gcc|--abi=*) echo $flag ;;
3035 -me) echo $flag ;;
3036 esac
3037 done
3038 }
3039
3040 probe_cc(){
3041 pfx=$1
3042 _cc=$2
3043
3044 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3045 unset _ld_o _ldflags _ld_lib _ld_path
3046 unset _depflags _DEPCMD _DEPFLAGS
3047 _flags_filter=echo
3048
3049 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3050 _type=llvm_gcc
3051 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3052 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3053 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3054 _cflags_speed='-O3'
3055 _cflags_size='-Os'
3056 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3057 _type=gcc
3058 gcc_version=$($_cc --version | head -n1)
3059 gcc_basever=$($_cc -dumpversion)
3060 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3061 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3062 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3063 if ! $_cc -dumpversion | grep -q '^2\.'; then
3064 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3065 fi
3066 _cflags_speed='-O3'
3067 _cflags_size='-Os'
3068 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3069 _type=icc
3070 _ident=$($_cc --version | head -n1)
3071 _depflags='-MMD'
3072 _cflags_speed='-O3'
3073 _cflags_size='-Os'
3074 _cflags_noopt='-O1'
3075 elif $_cc -v 2>&1 | grep -q xlc; then
3076 _type=xlc
3077 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3078 _cflags_speed='-O5'
3079 _cflags_size='-O5 -qcompact'
3080 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3081 _type=ccc
3082 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3083 _DEPFLAGS='-M'
3084 _cflags_speed='-fast'
3085 _cflags_size='-O1'
3086 _flags_filter=ccc_flags
3087 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3088 test -d "$sysroot" || die "No valid sysroot specified."
3089 _type=armcc
3090 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3091 armcc_conf="$PWD/armcc.conf"
3092 $_cc --arm_linux_configure \
3093 --arm_linux_config_file="$armcc_conf" \
3094 --configure_sysroot="$sysroot" \
3095 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3096 die "Error creating armcc configuration file."
3097 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3098 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3099 as_default="${cross_prefix}gcc"
3100 _depflags='-MMD'
3101 _cflags_speed='-O3'
3102 _cflags_size='-Os'
3103 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3104 _type=tms470
3105 _ident=$($_cc -version | head -n1 | tr -s ' ')
3106 _flags='--gcc --abi=eabi -me'
3107 _cc_e='-ppl -fe=$@'
3108 _cc_o='-fe=$@'
3109 _depflags='-ppa -ppd=$(@:.o=.d)'
3110 _cflags_speed='-O3 -mf=5'
3111 _cflags_size='-O3 -mf=2'
3112 _flags_filter=tms470_flags
3113 elif $_cc -v 2>&1 | grep -q clang; then
3114 _type=clang
3115 _ident=$($_cc --version 2>/dev/null | head -n1)
3116 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3117 _cflags_speed='-O3'
3118 _cflags_size='-Os'
3119 elif $_cc -V 2>&1 | grep -q Sun; then
3120 _type=suncc
3121 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3122 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3123 _DEPFLAGS='-xM1 -xc99'
3124 _ldflags='-std=c99'
3125 _cflags_speed='-O5'
3126 _cflags_size='-O5 -xspace'
3127 _flags_filter=suncc_flags
3128 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3129 _type=pathscale
3130 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3131 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3132 _cflags_speed='-O2'
3133 _cflags_size='-Os'
3134 _flags_filter='filter_out -Wdisabled-optimization'
3135 elif $_cc -v 2>&1 | grep -q Open64; then
3136 _type=open64
3137 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3138 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3139 _cflags_speed='-O2'
3140 _cflags_size='-Os'
3141 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3142 elif $_cc -V 2>&1 | grep -q Portland; then
3143 _type=pgi
3144 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3145 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3146 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3147 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3148 _cflags_noopt="-O1"
3149 _flags_filter=pgi_flags
3150 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3151 _type=armasm
3152 _ident=$($_cc | head -n1)
3153 # 4509: "This form of conditional instruction is deprecated"
3154 _flags="-nologo -ignore 4509"
3155 _flags_filter=armasm_flags
3156 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3157 _type=msvc
3158 _ident=$($_cc 2>&1 | head -n1)
3159 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3160 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3161 _cflags_speed="-O2"
3162 _cflags_size="-O1"
3163 if $_cc -nologo- 2>&1 | grep -q Linker; then
3164 _ld_o='-out:$@'
3165 else
3166 _ld_o='-Fe$@'
3167 fi
3168 _cc_o='-Fo$@'
3169 _cc_e='-P -Fi$@'
3170 _flags_filter=msvc_flags
3171 _ld_lib='lib%.a'
3172 _ld_path='-libpath:'
3173 _flags='-nologo'
3174 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS'
3175 elif $_cc 2>&1 | grep -q Intel; then
3176 _type=icl
3177 _ident=$($_cc 2>&1 | head -n1)
3178 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3179 # Not only is O3 broken on 13.x+ but it is slower on all previous
3180 # versions (tested) as well.
3181 _cflags_speed="-O2"
3182 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3183 if $_cc 2>&1 | grep -q Linker; then
3184 _ld_o='-out:$@'
3185 else
3186 _ld_o='-Fe$@'
3187 fi
3188 _cc_o='-Fo$@'
3189 _cc_e='-P'
3190 _flags_filter=icl_flags
3191 _ld_lib='lib%.a'
3192 _ld_path='-libpath:'
3193 # -Qdiag-error to make icl error when seeing certain unknown arguments
3194 _flags='-nologo -Qdiag-error:4044,10157'
3195 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3196 # with MSVC which enables it by default.
3197 _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS'
3198 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3199 _type=cparser
3200 _ident=$($_cc --version | head -n1)
3201 _depflags='-MMD'
3202 _cflags_speed='-O4'
3203 _cflags_size='-O2'
3204 _flags_filter=cparser_flags
3205 fi
3206
3207 eval ${pfx}_type=\$_type
3208 eval ${pfx}_ident=\$_ident
3209 }
3210
3211 set_ccvars(){
3212 eval ${1}_C=\${_cc_c-\${${1}_C}}
3213 eval ${1}_E=\${_cc_e-\${${1}_E}}
3214 eval ${1}_O=\${_cc_o-\${${1}_O}}
3215
3216 if [ -n "$_depflags" ]; then
3217 eval ${1}_DEPFLAGS=\$_depflags
3218 else
3219 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3220 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3221 eval DEP${1}FLAGS=\$_flags
3222 fi
3223 }
3224
3225 probe_cc cc "$cc"
3226 cflags_filter=$_flags_filter
3227 cflags_speed=$_cflags_speed
3228 cflags_size=$_cflags_size
3229 cflags_noopt=$_cflags_noopt
3230 add_cflags $_flags $_cflags
3231 cc_ldflags=$_ldflags
3232 set_ccvars CC
3233
3234 probe_cc hostcc "$host_cc"
3235 host_cflags_filter=$_flags_filter
3236 add_host_cflags $_flags $_cflags
3237 set_ccvars HOSTCC
3238
3239 test -n "$cc_type" && enable $cc_type ||
3240 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3241
3242 : ${as_default:=$cc}
3243 : ${objcc_default:=$cc}
3244 : ${dep_cc_default:=$cc}
3245 : ${ld_default:=$cc}
3246 : ${host_ld_default:=$host_cc}
3247 set_default ar as objcc dep_cc ld host_ld
3248
3249 probe_cc as "$as"
3250 asflags_filter=$_flags_filter
3251 add_asflags $_flags $_cflags
3252 set_ccvars AS
3253
3254 probe_cc objcc "$objcc"
3255 objcflags_filter=$_flags_filter
3256 add_objcflags $_flags $_cflags
3257 set_ccvars OBJC
3258
3259 probe_cc ld "$ld"
3260 ldflags_filter=$_flags_filter
3261 add_ldflags $_flags $_ldflags
3262 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3263 LD_O=${_ld_o-$LD_O}
3264 LD_LIB=${_ld_lib-$LD_LIB}
3265 LD_PATH=${_ld_path-$LD_PATH}
3266
3267 probe_cc hostld "$host_ld"
3268 host_ldflags_filter=$_flags_filter
3269 add_host_ldflags $_flags $_ldflags
3270 HOSTLD_O=${_ld_o-$HOSTLD_O}
3271
3272 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3273 probe_cc depcc "$dep_cc"
3274 CCDEP=${_DEPCMD:-$DEPCMD}
3275 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3276 DEPCCFLAGS=$_flags
3277 fi
3278
3279 if $ar 2>&1 | grep -q Microsoft; then
3280 arflags="-nologo"
3281 ar_o='-out:$@'
3282 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3283 arflags="rq"
3284 ar_o='$@'
3285 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3286 arflags='-Xany -r -c'
3287 ar_o='$@'
3288 else
3289 arflags="rc"
3290 ar_o='$@'
3291 fi
3292
3293 add_cflags $extra_cflags
3294 add_objcflags $extra_objcflags
3295 add_asflags $extra_cflags
3296
3297 if test -n "$sysroot"; then
3298 case "$cc_type" in
3299 gcc|llvm_gcc|clang)
3300 add_cppflags --sysroot="$sysroot"
3301 add_ldflags --sysroot="$sysroot"
3302 ;;
3303 tms470)
3304 add_cppflags -I"$sysinclude"
3305 add_ldflags --sysroot="$sysroot"
3306 ;;
3307 esac
3308 fi
3309
3310 if test "$cpu" = host; then
3311 enabled cross_compile &&
3312 die "--cpu=host makes no sense when cross-compiling."
3313
3314 case "$cc_type" in
3315 gcc|llvm_gcc)
3316 check_native(){
3317 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3318 sed -n "/cc1.*$1=/{
3319 s/.*$1=\\([^ ]*\\).*/\\1/
3320 p
3321 q
3322 }" $TMPE
3323 }
3324 cpu=$(check_native -march || check_native -mcpu)
3325 ;;
3326 esac
3327
3328 test "${cpu:-host}" = host &&
3329 die "--cpu=host not supported with compiler $cc"
3330 fi
3331
3332 # Deal with common $arch aliases
3333 case "$arch" in
3334 aarch64|arm64)
3335 arch="aarch64"
3336 ;;
3337 arm*)
3338 arch="arm"
3339 ;;
3340 mips*|IP*)
3341 case "$arch" in
3342 *el)
3343 add_cppflags -EL
3344 add_ldflags -EL
3345 ;;
3346 *eb)
3347 add_cppflags -EB
3348 add_ldflags -EB
3349 ;;
3350 esac
3351 arch="mips"
3352 ;;
3353 parisc*|hppa*)
3354 arch="parisc"
3355 ;;
3356 "Power Macintosh"|ppc*|powerpc*)
3357 arch="ppc"
3358 ;;
3359 s390|s390x)
3360 arch="s390"
3361 ;;
3362 sh4|sh)
3363 arch="sh4"
3364 ;;
3365 sun4u|sparc*)
3366 arch="sparc"
3367 ;;
3368 tilegx|tile-gx)
3369 arch="tilegx"
3370 ;;
3371 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3372 arch="x86"
3373 ;;
3374 esac
3375
3376 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3377 enable $arch
3378
3379 # Add processor-specific flags
3380 if enabled aarch64; then
3381
3382 case $cpu in
3383 armv*)
3384 cpuflags="-march=$cpu"
3385 ;;
3386 *)
3387 cpuflags="-mcpu=$cpu"
3388 ;;
3389 esac
3390
3391 elif enabled alpha; then
3392
3393 cpuflags="-mcpu=$cpu"
3394
3395 elif enabled arm; then
3396
3397 check_arm_arch() {
3398 check_cpp_condition stddef.h \
3399 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3400 $cpuflags
3401 }
3402
3403 probe_arm_arch() {
3404 if check_arm_arch 4; then echo armv4;
3405 elif check_arm_arch 4T; then echo armv4t;
3406 elif check_arm_arch 5; then echo armv5;
3407 elif check_arm_arch 5E; then echo armv5e;
3408 elif check_arm_arch 5T; then echo armv5t;
3409 elif check_arm_arch 5TE; then echo armv5te;
3410 elif check_arm_arch 5TEJ; then echo armv5te;
3411 elif check_arm_arch 6; then echo armv6;
3412 elif check_arm_arch 6J; then echo armv6j;
3413 elif check_arm_arch 6K; then echo armv6k;
3414 elif check_arm_arch 6Z; then echo armv6z;
3415 elif check_arm_arch 6ZK; then echo armv6zk;
3416 elif check_arm_arch 6T2; then echo armv6t2;
3417 elif check_arm_arch 7; then echo armv7;
3418 elif check_arm_arch 7A 7_A; then echo armv7-a;
3419 elif check_arm_arch 7S; then echo armv7-a;
3420 elif check_arm_arch 7R 7_R; then echo armv7-r;
3421 elif check_arm_arch 7M 7_M; then echo armv7-m;
3422 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3423 elif check_arm_arch 8A 8_A; then echo armv8-a;
3424 fi
3425 }
3426
3427 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3428
3429 case $cpu in
3430 armv*)
3431 cpuflags="-march=$cpu"
3432 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3433 ;;
3434 *)
3435 cpuflags="-mcpu=$cpu"
3436 case $cpu in
3437 cortex-a*) subarch=armv7a ;;
3438 cortex-r*) subarch=armv7r ;;
3439 cortex-m*) enable thumb; subarch=armv7m ;;
3440 arm11*) subarch=armv6 ;;
3441 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3442 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3443 *) subarch=$(probe_arm_arch) ;;
3444 esac
3445 ;;
3446 esac
3447
3448 case "$subarch" in
3449 armv5t*) enable fast_clz ;;
3450 armv[6-8]*) enable fast_clz fast_unaligned ;;
3451 esac
3452
3453 elif enabled avr32; then
3454
3455 case $cpu in
3456 ap7[02]0[0-2])
3457 subarch="avr32_ap"
3458 cpuflags="-mpart=$cpu"
3459 ;;
3460 ap)
3461 subarch="avr32_ap"
3462 cpuflags="-march=$cpu"
3463 ;;
3464 uc3[ab]*)
3465 subarch="avr32_uc"
3466 cpuflags="-mcpu=$cpu"
3467 ;;
3468 uc)
3469 subarch="avr32_uc"
3470 cpuflags="-march=$cpu"
3471 ;;
3472 esac
3473
3474 elif enabled bfin; then
3475
3476 cpuflags="-mcpu=$cpu"
3477
3478 elif enabled mips; then
3479
3480 cpuflags="-march=$cpu"
3481
3482 elif enabled ppc; then
3483
3484 disable ldbrx
3485
3486 case $(tolower $cpu) in
3487 601|ppc601|powerpc601)
3488 cpuflags="-mcpu=601"
3489 disable altivec
3490 ;;
3491 603*|ppc603*|powerpc603*)
3492 cpuflags="-mcpu=603"
3493 disable altivec
3494 ;;
3495 604*|ppc604*|powerpc604*)
3496 cpuflags="-mcpu=604"
3497 disable altivec
3498 ;;
3499 g3|75*|ppc75*|powerpc75*)
3500 cpuflags="-mcpu=750"
3501 disable altivec
3502 ;;
3503 g4|745*|ppc745*|powerpc745*)
3504 cpuflags="-mcpu=7450"
3505 disable vsx
3506 ;;
3507 74*|ppc74*|powerpc74*)
3508 cpuflags="-mcpu=7400"
3509 disable vsx
3510 ;;
3511 g5|970|ppc970|powerpc970)
3512 cpuflags="-mcpu=970"
3513 disable vsx
3514 ;;
3515 power[3-6]*)
3516 cpuflags="-mcpu=$cpu"
3517 disable vsx
3518 ;;
3519 power[7-8]*)
3520 cpuflags="-mcpu=$cpu"
3521 enable ldbrx
3522 ;;
3523 cell)
3524 cpuflags="-mcpu=cell"
3525 enable ldbrx
3526 disable vsx
3527 ;;
3528 e500mc)
3529 cpuflags="-mcpu=e500mc"
3530 disable altivec
3531 ;;
3532 e500v2)
3533 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3534 disable altivec
3535 disable dcbzl
3536 ;;
3537 e500)
3538 cpuflags="-mcpu=8540 -mhard-float"
3539 disable altivec
3540 disable dcbzl
3541 ;;
3542 esac
3543
3544 elif enabled sparc; then
3545
3546 case $cpu in
3547 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3548 cpuflags="-mcpu=$cpu"
3549 ;;
3550 ultrasparc*|niagara[234])
3551 cpuflags="-mcpu=$cpu"
3552 ;;
3553 esac
3554
3555 elif enabled x86; then
3556
3557 case $cpu in
3558 i[345]86|pentium)
3559 cpuflags="-march=$cpu"
3560 disable i686
3561 disable mmx
3562 ;;
3563 # targets that do NOT support nopl and conditional mov (cmov)
3564 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3565 cpuflags="-march=$cpu"
3566 disable i686
3567 ;;
3568 # targets that do support nopl and conditional mov (cmov)
3569 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3570 cpuflags="-march=$cpu"
3571 enable i686
3572 enable fast_cmov
3573 ;;
3574 # targets that do support conditional mov but on which it's slow
3575 pentium4|pentium4m|prescott|nocona)
3576 cpuflags="-march=$cpu"
3577 enable i686
3578 disable fast_cmov
3579 ;;
3580 esac
3581
3582 fi
3583
3584 if [ "$cpu" != generic ]; then
3585 add_cflags $cpuflags
3586 add_asflags $cpuflags
3587 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
3588 fi
3589
3590 # compiler sanity check
3591 check_exec <<EOF
3592 int main(void){ return 0; }
3593 EOF
3594 if test "$?" != 0; then
3595 echo "$cc is unable to create an executable file."
3596 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3597 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3598 echo "Only do this if you know what cross compiling means."
3599 fi
3600 die "C compiler test failed."
3601 fi
3602
3603 add_cppflags -D_ISOC99_SOURCE
3604 check_cflags -std=c99
3605 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3606 #include <stdlib.h>
3607 EOF
3608 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3609 #include <stdlib.h>
3610 EOF
3611
3612 add_host_cppflags -D_ISOC99_SOURCE
3613 check_host_cflags -std=c99
3614 check_host_cflags -Wall
3615 check_host_cflags -O3
3616
3617 check_64bit(){
3618 arch32=$1
3619 arch64=$2
3620 expr=$3
3621 check_code cc "" "int test[2*($expr) - 1]" &&
3622 subarch=$arch64 || subarch=$arch32
3623 }
3624
3625 case "$arch" in
3626 aarch64|alpha|ia64)
3627 spic=$shared
3628 ;;
3629 mips)
3630 check_64bit mips mips64 '_MIPS_SIM > 1'
3631 spic=$shared
3632 ;;
3633 parisc)
3634 check_64bit parisc parisc64 'sizeof(void *) > 4'
3635 spic=$shared
3636 ;;
3637 ppc)
3638 check_64bit ppc ppc64 'sizeof(void *) > 4'
3639 spic=$shared
3640 ;;
3641 s390)
3642 check_64bit s390 s390x 'sizeof(void *) > 4'
3643 spic=$shared
3644 ;;
3645 sparc)
3646 check_64bit sparc sparc64 'sizeof(void *) > 4'
3647 spic=$shared
3648 ;;
3649 x86)
3650 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3651 if test "$subarch" = "x86_64"; then
3652 spic=$shared
3653 fi
3654 ;;
3655 esac
3656
3657 enable $subarch
3658 enabled spic && enable_weak pic
3659
3660 # OS specific
3661 case $target_os in
3662 aix)
3663 SHFLAGS=-shared
3664 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3665 enabled shared && add_ldflags -Wl,-brtl
3666 ;;
3667 android)
3668 disable symver
3669 enable section_data_rel_ro
3670 SLIB_INSTALL_NAME='$(SLIBNAME)'
3671 SLIB_INSTALL_LINKS=
3672 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
3673 ;;
3674 haiku)
3675 prefix_default="/boot/common"
3676 network_extralibs="-lnetwork"
3677 host_libs=
3678 ;;
3679 sunos)
3680 SHFLAGS='-shared -Wl,-h,$$(@F)'
3681 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3682 network_extralibs="-lsocket -lnsl"
3683 # When using suncc to build, the Solaris linker will mark
3684 # an executable with each instruction set encountered by
3685 # the Solaris assembler. As our libraries contain their own
3686 # guards for processor-specific code, instead suppress
3687 # generation of the HWCAPS ELF section on Solaris x86 only.
3688 enabled_all suncc x86 &&
3689 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3690 add_ldflags -Wl,-M,mapfile
3691 nm_default='nm -P -g'
3692 SLIB_CREATE_DEF_CMD='$(Q)perl $(SRC_PATH)/compat/solaris/make_sunver.pl $$(filter %.ver,$$^) $(OBJS) | grep -v @ > $(SUBDIR)lib$(NAME).ver-sol2'
3693 ;;
3694 netbsd)
3695 disable symver
3696 oss_indev_extralibs="-lossaudio"
3697 oss_outdev_extralibs="-lossaudio"
3698 ;;
3699 openbsd|bitrig)
3700 disable symver
3701 SHFLAGS='-shared'
3702 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3703 SLIB_INSTALL_LINKS=
3704 oss_indev_extralibs="-lossaudio"
3705 oss_outdev_extralibs="-lossaudio"
3706 ;;
3707 dragonfly)
3708 disable symver
3709 ;;
3710 freebsd)
3711 ;;
3712 bsd/os)
3713 add_extralibs -lpoll -lgnugetopt
3714 ;;
3715 darwin)
3716 enabled ppc && add_asflags -force_cpusubtype_ALL
371