build: Disentangle VC-1 decoder and parser
[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=$(find_things indev _IN libavdevice/alldevices.c)
2525 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2526 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2527
2528 ALL_COMPONENTS="
2529 $BSF_LIST
2530 $DECODER_LIST
2531 $DEMUXER_LIST
2532 $ENCODER_LIST
2533 $FILTER_LIST
2534 $HWACCEL_LIST
2535 $INDEV_LIST
2536 $MUXER_LIST
2537 $OUTDEV_LIST
2538 $PARSER_LIST
2539 $PROTOCOL_LIST
2540 "
2541
2542 for n in $COMPONENT_LIST; do
2543 v=$(toupper ${n%s})_LIST
2544 eval enable \$$v
2545 eval ${n}_if_any="\$$v"
2546 done
2547
2548 enable $ARCH_EXT_LIST
2549
2550 die_unknown(){
2551 echo "Unknown option \"$1\"."
2552 echo "See $0 --help for available options."
2553 exit 1
2554 }
2555
2556 print_3_columns() {
2557 printf "%-25s %-25s %-25s\n" $(cat | tr ' ' '\n' | sort)
2558 }
2559
2560 show_list() {
2561 suffix=_$1
2562 shift
2563 echo $* | sed s/$suffix//g | print_3_columns
2564 exit 0
2565 }
2566
2567 rand_list(){
2568 IFS=', '
2569 set -- $*
2570 unset IFS
2571 for thing; do
2572 comp=${thing%:*}
2573 prob=${thing#$comp}
2574 prob=${prob#:}
2575 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2576 echo "prob ${prob:-0.5}"
2577 printf '%s\n' $comp
2578 done
2579 }
2580
2581 do_random(){
2582 action=$1
2583 shift
2584 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2585 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2586 }
2587
2588 for opt do
2589 optval="${opt#*=}"
2590 case "$opt" in
2591 --extra-ldflags=*)
2592 add_ldflags $optval
2593 ;;
2594 --extra-ldexeflags=*)
2595 add_ldexeflags $optval
2596 ;;
2597 --extra-libs=*)
2598 add_extralibs $optval
2599 ;;
2600 --disable-devices)
2601 disable $INDEV_LIST $OUTDEV_LIST
2602 ;;
2603 --enable-debug=*)
2604 debuglevel="$optval"
2605 ;;
2606 --disable-programs)
2607 disable $PROGRAM_LIST
2608 ;;
2609 --disable-everything)
2610 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2611 ;;
2612 --disable-all)
2613 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2614 disable $LIBRARY_LIST $PROGRAM_LIST doc
2615 ;;
2616 --enable-random|--disable-random)
2617 action=${opt%%-random}
2618 do_random ${action#--} $COMPONENT_LIST
2619 ;;
2620 --enable-random=*|--disable-random=*)
2621 action=${opt%%-random=*}
2622 do_random ${action#--} $optval
2623 ;;
2624 --enable-*=*|--disable-*=*)
2625 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2626 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2627 eval list=\$$(toupper $thing)_LIST
2628 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2629 $action $(filter "$name" $list)
2630 ;;
2631 --enable-avserver|--disable-avserver*)
2632 warn "avserver has been removed, the ${opt} option is only"\
2633 "provided for compatibility and will be removed in the future"
2634 ;;
2635 --enable-?*|--disable-?*)
2636 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2637 if is_in $option $COMPONENT_LIST; then
2638 test $action = disable && action=unset
2639 eval $action \$$(toupper ${option%s})_LIST
2640 elif is_in $option $CMDLINE_SELECT; then
2641 $action $option
2642 else
2643 die_unknown $opt
2644 fi
2645 ;;
2646 --list-*)
2647 NAME="${opt#--list-}"
2648 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2649 NAME=${NAME%s}
2650 eval show_list $NAME \$$(toupper $NAME)_LIST
2651 ;;
2652 --help|-h) show_help
2653 ;;
2654 *)
2655 optname="${opt%%=*}"
2656 optname="${optname#--}"
2657 optname=$(echo "$optname" | sed 's/-/_/g')
2658 if is_in $optname $CMDLINE_SET; then
2659 eval $optname='$optval'
2660 elif is_in $optname $CMDLINE_APPEND; then
2661 append $optname "$optval"
2662 else
2663 die_unknown $opt
2664 fi
2665 ;;
2666 esac
2667 done
2668
2669 for e in $env; do
2670 eval "export $e"
2671 done
2672
2673 disabled logging && logfile=/dev/null
2674
2675 # Disable all the library-specific components if the library itself
2676 # is disabled, see AVCODEC_LIST and following _LIST variables.
2677
2678 disable_components(){
2679 disabled ${1} && disable $(
2680 eval components="\$$(toupper ${1})_COMPONENTS"
2681 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
2682 )
2683 }
2684
2685 map 'disable_components $v' $LIBRARY_LIST
2686
2687 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2688 set >> $logfile
2689
2690 case "$toolchain" in
2691 *-asan)
2692 cc_default="${toolchain%-asan}"
2693 add_cflags -fsanitize=address
2694 add_ldflags -fsanitize=address
2695 ;;
2696 *-tsan)
2697 cc_default="${toolchain%-tsan}"
2698 add_cflags -fsanitize=thread -pie
2699 add_ldflags -fsanitize=thread -pie
2700 case "$toolchain" in
2701 gcc-tsan)
2702 add_cflags -fPIC
2703 add_ldflags -fPIC
2704 ;;
2705 esac
2706 ;;
2707 *-usan)
2708 cc_default="${toolchain%-usan}"
2709 add_cflags -fsanitize=undefined
2710 add_ldflags -fsanitize=undefined
2711 case "$toolchain" in
2712 clang-usan)
2713 add_cflags -O1
2714 ;;
2715 esac
2716 ;;
2717 valgrind-*)
2718 target_exec_default="valgrind"
2719 case "$toolchain" in
2720 valgrind-massif)
2721 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2722 ;;
2723 valgrind-memcheck)
2724 target_exec_args="--track-origins=yes --leak-check=full"
2725 ;;
2726 esac
2727 ;;
2728 msvc)
2729 # Check whether the current MSVC version needs the C99 converter.
2730 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2731 # support enough of C99 to build libav. Default to the new
2732 # behaviour if the regexp was unable to match anything, since this
2733 # successfully parses the version number of existing supported
2734 # versions that require the converter (MSVC 2010 and 2012).
2735 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2736 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2737 cc_default="cl"
2738 else
2739 cc_default="c99wrap cl"
2740 fi
2741 ld_default="$source_path/compat/windows/mslink"
2742 nm_default="dumpbin -symbols"
2743 ar_default="lib"
2744 case "$arch" in
2745 arm*)
2746 as_default="armasm"
2747 ;;
2748 esac
2749 target_os_default="win32"
2750 # Use a relative path for TMPDIR. This makes sure all the
2751 # ffconf temp files are written with a relative path, avoiding
2752 # issues with msys/win32 path conversion for MSVC parameters
2753 # such as -Fo<file> or -out:<file>.
2754 TMPDIR=.
2755 ;;
2756 icl)
2757 cc_default="icl"
2758 ld_default="xilink"
2759 nm_default="dumpbin -symbols"
2760 ar_default="xilib"
2761 target_os_default="win32"
2762 TMPDIR=.
2763 ;;
2764 gcov)
2765 add_cflags -fprofile-arcs -ftest-coverage
2766 add_ldflags -fprofile-arcs -ftest-coverage
2767 ;;
2768 hardened)
2769 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
2770 add_cflags -fno-strict-overflow -fstack-protector-all
2771 add_ldflags -Wl,-z,relro -Wl,-z,now
2772 ;;
2773 ?*)
2774 die "Unknown toolchain $toolchain"
2775 ;;
2776 esac
2777
2778 test -n "$cross_prefix" && enable cross_compile
2779
2780 if enabled cross_compile; then
2781 test -n "$arch" && test -n "$target_os" ||
2782 die "Must specify target arch and OS when cross-compiling"
2783 fi
2784
2785 ar_default="${cross_prefix}${ar_default}"
2786 cc_default="${cross_prefix}${cc_default}"
2787 occ_default="${cross_prefix}${occ_default}"
2788 nm_default="${cross_prefix}${nm_default}"
2789 pkg_config_default="${cross_prefix}${pkg_config_default}"
2790 ranlib="${cross_prefix}${ranlib}"
2791 strip="${cross_prefix}${strip}"
2792
2793 sysinclude_default="${sysroot}/usr/include"
2794
2795 set_default arch cc pkg_config sysinclude target_exec target_os
2796 enabled cross_compile || host_cc_default=$cc
2797 set_default host_cc
2798
2799 if ! $pkg_config --version >/dev/null 2>&1; then
2800 warn "$pkg_config not found, library detection may fail."
2801 pkg_config=false
2802 fi
2803
2804 exesuf() {
2805 case $1 in
2806 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2807 esac
2808 }
2809
2810 EXESUF=$(exesuf $target_os)
2811 HOSTEXESUF=$(exesuf $host_os)
2812
2813 # set temporary file name
2814 : ${TMPDIR:=$TEMPDIR}
2815 : ${TMPDIR:=$TMP}
2816 : ${TMPDIR:=/tmp}
2817
2818 if ! check_cmd mktemp -u XXXXXX; then
2819 # simple replacement for missing mktemp
2820 # NOT SAFE FOR GENERAL USE
2821 mktemp(){
2822 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2823 }
2824 fi
2825
2826 tmpfile(){
2827 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2828 (set -C; exec > $tmp) 2>/dev/null ||
2829 die "Unable to create temporary file in $TMPDIR."
2830 append TMPFILES $tmp
2831 eval $1=$tmp
2832 }
2833
2834 trap 'rm -f -- $TMPFILES' EXIT
2835
2836 tmpfile TMPASM .asm
2837 tmpfile TMPC .c
2838 tmpfile TMPE $EXESUF
2839 tmpfile TMPH .h
2840 tmpfile TMPO .o
2841 tmpfile TMPS .S
2842 tmpfile TMPSH .sh
2843 tmpfile TMPV .ver
2844
2845 unset -f mktemp
2846
2847 chmod +x $TMPE
2848
2849 # make sure we can execute files in $TMPDIR
2850 cat > $TMPSH 2>> $logfile <<EOF
2851 #! /bin/sh
2852 EOF
2853 chmod +x $TMPSH >> $logfile 2>&1
2854 if ! $TMPSH >> $logfile 2>&1; then
2855 cat <<EOF
2856 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2857 variable to another directory and make sure that it is not mounted noexec.
2858 EOF
2859 die "Sanity test failed."
2860 fi
2861
2862 armasm_flags(){
2863 for flag; do
2864 case $flag in
2865 # Filter out MSVC cl.exe options from cflags that shouldn't
2866 # be passed to gas-preprocessor
2867 -M[TD]*) ;;
2868 *) echo $flag ;;
2869 esac
2870 done
2871 }
2872
2873 ccc_flags(){
2874 for flag; do
2875 case $flag in
2876 -std=c99) echo -c99 ;;
2877 -mcpu=*) echo -arch ${flag#*=} ;;
2878 -mieee) echo -ieee ;;
2879 -O*|-fast) echo $flag ;;
2880 -fno-math-errno) echo -assume nomath_errno ;;
2881 -g) echo -g3 ;;
2882 -Wall) echo -msg_enable level2 ;;
2883 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2884 -Wl,*) echo $flag ;;
2885 -f*|-W*) ;;
2886 *) echo $flag ;;
2887 esac
2888 done
2889 }
2890
2891 cparser_flags(){
2892 for flag; do
2893 case $flag in
2894 -Wno-switch) echo -Wno-switch-enum ;;
2895 -Wno-format-zero-length) ;;
2896 -Wdisabled-optimization) ;;
2897 -Wno-pointer-sign) echo -Wno-other ;;
2898 *) echo $flag ;;
2899 esac
2900 done
2901 }
2902
2903 msvc_common_flags(){
2904 for flag; do
2905 case $flag in
2906 # In addition to specifying certain flags under the compiler
2907 # specific filters, they must be specified here as well or else the
2908 # generic catch all at the bottom will print the original flag.
2909 -Wall) ;;
2910 -std=c99) ;;
2911 # Common flags
2912 -fomit-frame-pointer) ;;
2913 -g) echo -Z7 ;;
2914 -fno-math-errno) ;;
2915 -fno-common) ;;
2916 -fno-signed-zeros) ;;
2917 -fPIC) ;;
2918 -mthumb) ;;
2919 -march=*) ;;
2920 -lz) echo zlib.lib ;;
2921 -lavifil32) echo vfw32.lib ;;
2922 -lavicap32) echo vfw32.lib user32.lib ;;
2923 -lx264) echo libx264.lib ;;
2924 -l*) echo ${flag#-l}.lib ;;
2925 -L*) echo -libpath:${flag#-L} ;;
2926 *) echo $flag ;;
2927 esac
2928 done
2929 }
2930
2931 msvc_flags(){
2932 msvc_common_flags "$@"
2933 for flag; do
2934 case $flag in
2935 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2936 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2937 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2938 -wd4273 -wd4554 -wd4701 ;;
2939 esac
2940 done
2941 }
2942
2943 icl_flags(){
2944 msvc_common_flags "$@"
2945 for flag; do
2946 case $flag in
2947 # Despite what Intel's documentation says -Wall, which is supported
2948 # on Windows, does enable remarks so disable them here.
2949 -Wall) echo $flag -Qdiag-disable:remark ;;
2950 -std=c99) echo -Qstd=c99 ;;
2951 esac
2952 done
2953 }
2954
2955 pgi_flags(){
2956 for flag; do
2957 case $flag in
2958 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2959 -fomit-frame-pointer) echo -Mnoframe ;;
2960 -g) echo -gopt ;;
2961 *) echo $flag ;;
2962 esac
2963 done
2964 }
2965
2966 suncc_flags(){
2967 for flag; do
2968 case $flag in
2969 -march=*|-mcpu=*)
2970 case "${flag#*=}" in
2971 native) echo -xtarget=native ;;
2972 v9|niagara) echo -xarch=sparc ;;
2973 ultrasparc) echo -xarch=sparcvis ;;
2974 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2975 i586|pentium) echo -xchip=pentium ;;
2976 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2977 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2978 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2979 pentium4*) echo -xtarget=pentium4 ;;
2980 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2981 *-sse3) echo -xarch=sse3 ;;
2982 core2) echo -xarch=ssse3 -xchip=core2 ;;
2983 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2984 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2985 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
2986 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2987 k8|opteron|athlon64|athlon-fx)
2988 echo -xarch=sse2a ;;
2989 athlon*) echo -xarch=pentium_proa ;;
2990 esac
2991 ;;
2992 -std=c99) echo -xc99 ;;
2993 -fomit-frame-pointer) echo -xregs=frameptr ;;
2994 -fPIC) echo -KPIC -xcode=pic32 ;;
2995 -W*,*) echo $flag ;;
2996 -f*-*|-W*|-mimpure-text) ;;
2997 -shared) echo -G ;;
2998 *) echo $flag ;;
2999 esac
3000 done
3001 }
3002
3003 tms470_flags(){
3004 for flag; do
3005 case $flag in
3006 -march=*|-mcpu=*)
3007 case "${flag#*=}" in
3008 armv7-a|cortex-a*) echo -mv=7a8 ;;
3009 armv7-r|cortex-r*) echo -mv=7r4 ;;
3010 armv7-m|cortex-m*) echo -mv=7m3 ;;
3011 armv6*|arm11*) echo -mv=6 ;;
3012 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3013 echo -mv=5e ;;
3014 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3015 esac
3016 ;;
3017 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3018 -mfpu=vfp) echo --float_support=vfpv2 ;;
3019 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3020 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3021 -msoft-float) echo --float_support=vfplib ;;
3022 -O[0-3]|-mf=*) echo $flag ;;
3023 -g) echo -g -mn ;;
3024 -pds=*) echo $flag ;;
3025 -D*|-I*) echo $flag ;;
3026 --gcc|--abi=*) echo $flag ;;
3027 -me) echo $flag ;;
3028 esac
3029 done
3030 }
3031
3032 probe_cc(){
3033 pfx=$1
3034 _cc=$2
3035
3036 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3037 unset _ld_o _ldflags _ld_lib _ld_path
3038 unset _depflags _DEPCMD _DEPFLAGS
3039 _flags_filter=echo
3040
3041 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3042 _type=llvm_gcc
3043 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3044 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3045 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3046 _cflags_speed='-O3'
3047 _cflags_size='-Os'
3048 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3049 _type=gcc
3050 gcc_version=$($_cc --version | head -n1)
3051 gcc_basever=$($_cc -dumpversion)
3052 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3053 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3054 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3055 if ! $_cc -dumpversion | grep -q '^2\.'; then
3056 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3057 fi
3058 _cflags_speed='-O3'
3059 _cflags_size='-Os'
3060 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3061 _type=icc
3062 _ident=$($_cc --version | head -n1)
3063 _depflags='-MMD'
3064 _cflags_speed='-O3'
3065 _cflags_size='-Os'
3066 _cflags_noopt='-O1'
3067 elif $_cc -v 2>&1 | grep -q xlc; then
3068 _type=xlc
3069 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3070 _cflags_speed='-O5'
3071 _cflags_size='-O5 -qcompact'
3072 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3073 _type=ccc
3074 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3075 _DEPFLAGS='-M'
3076 _cflags_speed='-fast'
3077 _cflags_size='-O1'
3078 _flags_filter=ccc_flags
3079 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3080 test -d "$sysroot" || die "No valid sysroot specified."
3081 _type=armcc
3082 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3083 armcc_conf="$PWD/armcc.conf"
3084 $_cc --arm_linux_configure \
3085 --arm_linux_config_file="$armcc_conf" \
3086 --configure_sysroot="$sysroot" \
3087 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3088 die "Error creating armcc configuration file."
3089 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3090 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3091 as_default="${cross_prefix}gcc"
3092 _depflags='-MMD'
3093 _cflags_speed='-O3'
3094 _cflags_size='-Os'
3095 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3096 _type=tms470
3097 _ident=$($_cc -version | head -n1 | tr -s ' ')
3098 _flags='--gcc --abi=eabi -me'
3099 _cc_e='-ppl -fe=$@'
3100 _cc_o='-fe=$@'
3101 _depflags='-ppa -ppd=$(@:.o=.d)'
3102 _cflags_speed='-O3 -mf=5'
3103 _cflags_size='-O3 -mf=2'
3104 _flags_filter=tms470_flags
3105 elif $_cc -v 2>&1 | grep -q clang; then
3106 _type=clang
3107 _ident=$($_cc --version 2>/dev/null | head -n1)
3108 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3109 _cflags_speed='-O3'
3110 _cflags_size='-Os'
3111 elif $_cc -V 2>&1 | grep -q Sun; then
3112 _type=suncc
3113 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3114 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3115 _DEPFLAGS='-xM1 -xc99'
3116 _ldflags='-std=c99'
3117 _cflags_speed='-O5'
3118 _cflags_size='-O5 -xspace'
3119 _flags_filter=suncc_flags
3120 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3121 _type=pathscale
3122 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3123 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3124 _cflags_speed='-O2'
3125 _cflags_size='-Os'
3126 _flags_filter='filter_out -Wdisabled-optimization'
3127 elif $_cc -v 2>&1 | grep -q Open64; then
3128 _type=open64
3129 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3130 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3131 _cflags_speed='-O2'
3132 _cflags_size='-Os'
3133 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3134 elif $_cc -V 2>&1 | grep -q Portland; then
3135 _type=pgi
3136 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3137 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3138 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3139 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3140 _cflags_noopt="-O1"
3141 _flags_filter=pgi_flags
3142 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3143 _type=armasm
3144 _ident=$($_cc | head -n1)
3145 # 4509: "This form of conditional instruction is deprecated"
3146 _flags="-nologo -ignore 4509"
3147 _flags_filter=armasm_flags
3148 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3149 _type=msvc
3150 _ident=$($_cc 2>&1 | head -n1)
3151 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3152 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3153 _cflags_speed="-O2"
3154 _cflags_size="-O1"
3155 if $_cc -nologo- 2>&1 | grep -q Linker; then
3156 _ld_o='-out:$@'
3157 else
3158 _ld_o='-Fe$@'
3159 fi
3160 _cc_o='-Fo$@'
3161 _cc_e='-P -Fi$@'
3162 _flags_filter=msvc_flags
3163 _ld_lib='lib%.a'
3164 _ld_path='-libpath:'
3165 _flags='-nologo'
3166 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS'
3167 elif $_cc 2>&1 | grep -q Intel; then
3168 _type=icl
3169 _ident=$($_cc 2>&1 | head -n1)
3170 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3171 # Not only is O3 broken on 13.x+ but it is slower on all previous
3172 # versions (tested) as well.
3173 _cflags_speed="-O2"
3174 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3175 if $_cc 2>&1 | grep -q Linker; then
3176 _ld_o='-out:$@'
3177 else
3178 _ld_o='-Fe$@'
3179 fi
3180 _cc_o='-Fo$@'
3181 _cc_e='-P'
3182 _flags_filter=icl_flags
3183 _ld_lib='lib%.a'
3184 _ld_path='-libpath:'
3185 # -Qdiag-error to make icl error when seeing certain unknown arguments
3186 _flags='-nologo -Qdiag-error:4044,10157'
3187 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3188 # with MSVC which enables it by default.
3189 _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS'
3190 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3191 _type=cparser
3192 _ident=$($_cc --version | head -n1)
3193 _depflags='-MMD'
3194 _cflags_speed='-O4'
3195 _cflags_size='-O2'
3196 _flags_filter=cparser_flags
3197 fi
3198
3199 eval ${pfx}_type=\$_type
3200 eval ${pfx}_ident=\$_ident
3201 }
3202
3203 set_ccvars(){
3204 eval ${1}_C=\${_cc_c-\${${1}_C}}
3205 eval ${1}_E=\${_cc_e-\${${1}_E}}
3206 eval ${1}_O=\${_cc_o-\${${1}_O}}
3207
3208 if [ -n "$_depflags" ]; then
3209 eval ${1}_DEPFLAGS=\$_depflags
3210 else
3211 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3212 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3213 eval DEP${1}FLAGS=\$_flags
3214 fi
3215 }
3216
3217 probe_cc cc "$cc"
3218 cflags_filter=$_flags_filter
3219 cflags_speed=$_cflags_speed
3220 cflags_size=$_cflags_size
3221 cflags_noopt=$_cflags_noopt
3222 add_cflags $_flags $_cflags
3223 cc_ldflags=$_ldflags
3224 set_ccvars CC
3225
3226 probe_cc hostcc "$host_cc"
3227 host_cflags_filter=$_flags_filter
3228 add_host_cflags $_flags $_cflags
3229 set_ccvars HOSTCC
3230
3231 test -n "$cc_type" && enable $cc_type ||
3232 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3233
3234 : ${as_default:=$cc}
3235 : ${objcc_default:=$cc}
3236 : ${dep_cc_default:=$cc}
3237 : ${ld_default:=$cc}
3238 : ${host_ld_default:=$host_cc}
3239 set_default ar as objcc dep_cc ld host_ld
3240
3241 probe_cc as "$as"
3242 asflags_filter=$_flags_filter
3243 add_asflags $_flags $_cflags
3244 set_ccvars AS
3245
3246 probe_cc objcc "$objcc"
3247 objcflags_filter=$_flags_filter
3248 add_objcflags $_flags $_cflags
3249 set_ccvars OBJC
3250
3251 probe_cc ld "$ld"
3252 ldflags_filter=$_flags_filter
3253 add_ldflags $_flags $_ldflags
3254 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3255 LD_O=${_ld_o-$LD_O}
3256 LD_LIB=${_ld_lib-$LD_LIB}
3257 LD_PATH=${_ld_path-$LD_PATH}
3258
3259 probe_cc hostld "$host_ld"
3260 host_ldflags_filter=$_flags_filter
3261 add_host_ldflags $_flags $_ldflags
3262 HOSTLD_O=${_ld_o-$HOSTLD_O}
3263
3264 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3265 probe_cc depcc "$dep_cc"
3266 CCDEP=${_DEPCMD:-$DEPCMD}
3267 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3268 DEPCCFLAGS=$_flags
3269 fi
3270
3271 if $ar 2>&1 | grep -q Microsoft; then
3272 arflags="-nologo"
3273 ar_o='-out:$@'
3274 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3275 arflags="rq"
3276 ar_o='$@'
3277 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3278 arflags='-Xany -r -c'
3279 ar_o='$@'
3280 else
3281 arflags="rc"
3282 ar_o='$@'
3283 fi
3284
3285 add_cflags $extra_cflags
3286 add_objcflags $extra_objcflags
3287 add_asflags $extra_cflags
3288
3289 if test -n "$sysroot"; then
3290 case "$cc_type" in
3291 gcc|llvm_gcc|clang)
3292 add_cppflags --sysroot="$sysroot"
3293 add_ldflags --sysroot="$sysroot"
3294 ;;
3295 tms470)
3296 add_cppflags -I"$sysinclude"
3297 add_ldflags --sysroot="$sysroot"
3298 ;;
3299 esac
3300 fi
3301
3302 if test "$cpu" = host; then
3303 enabled cross_compile &&
3304 die "--cpu=host makes no sense when cross-compiling."
3305
3306 case "$cc_type" in
3307 gcc|llvm_gcc)
3308 check_native(){
3309 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3310 sed -n "/cc1.*$1=/{
3311 s/.*$1=\\([^ ]*\\).*/\\1/
3312 p
3313 q
3314 }" $TMPE
3315 }
3316 cpu=$(check_native -march || check_native -mcpu)
3317 ;;
3318 esac
3319
3320 test "${cpu:-host}" = host &&
3321 die "--cpu=host not supported with compiler $cc"
3322 fi
3323
3324 # Deal with common $arch aliases
3325 case "$arch" in
3326 aarch64|arm64)
3327 arch="aarch64"
3328 ;;
3329 arm*)
3330 arch="arm"
3331 ;;
3332 mips*|IP*)
3333 case "$arch" in
3334 *el)
3335 add_cppflags -EL
3336 add_ldflags -EL
3337 ;;
3338 *eb)
3339 add_cppflags -EB
3340 add_ldflags -EB
3341 ;;
3342 esac
3343 arch="mips"
3344 ;;
3345 parisc*|hppa*)
3346 arch="parisc"
3347 ;;
3348 "Power Macintosh"|ppc*|powerpc*)
3349 arch="ppc"
3350 ;;
3351 s390|s390x)
3352 arch="s390"
3353 ;;
3354 sh4|sh)
3355 arch="sh4"
3356 ;;
3357 sun4u|sparc*)
3358 arch="sparc"
3359 ;;
3360 tilegx|tile-gx)
3361 arch="tilegx"
3362 ;;
3363 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3364 arch="x86"
3365 ;;
3366 esac
3367
3368 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3369 enable $arch
3370
3371 # Add processor-specific flags
3372 if enabled aarch64; then
3373
3374 case $cpu in
3375 armv*)
3376 cpuflags="-march=$cpu"
3377 ;;
3378 *)
3379 cpuflags="-mcpu=$cpu"
3380 ;;
3381 esac
3382
3383 elif enabled alpha; then
3384
3385 cpuflags="-mcpu=$cpu"
3386
3387 elif enabled arm; then
3388
3389 check_arm_arch() {
3390 check_cpp_condition stddef.h \
3391 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3392 $cpuflags
3393 }
3394
3395 probe_arm_arch() {
3396 if check_arm_arch 4; then echo armv4;
3397 elif check_arm_arch 4T; then echo armv4t;
3398 elif check_arm_arch 5; then echo armv5;
3399 elif check_arm_arch 5E; then echo armv5e;
3400 elif check_arm_arch 5T; then echo armv5t;
3401 elif check_arm_arch 5TE; then echo armv5te;
3402 elif check_arm_arch 5TEJ; then echo armv5te;
3403 elif check_arm_arch 6; then echo armv6;
3404 elif check_arm_arch 6J; then echo armv6j;
3405 elif check_arm_arch 6K; then echo armv6k;
3406 elif check_arm_arch 6Z; then echo armv6z;
3407 elif check_arm_arch 6ZK; then echo armv6zk;
3408 elif check_arm_arch 6T2; then echo armv6t2;
3409 elif check_arm_arch 7; then echo armv7;
3410 elif check_arm_arch 7A 7_A; then echo armv7-a;
3411 elif check_arm_arch 7S; then echo armv7-a;
3412 elif check_arm_arch 7R 7_R; then echo armv7-r;
3413 elif check_arm_arch 7M 7_M; then echo armv7-m;
3414 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3415 elif check_arm_arch 8A 8_A; then echo armv8-a;
3416 fi
3417 }
3418
3419 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3420
3421 case $cpu in
3422 armv*)
3423 cpuflags="-march=$cpu"
3424 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3425 ;;
3426 *)
3427 cpuflags="-mcpu=$cpu"
3428 case $cpu in
3429 cortex-a*) subarch=armv7a ;;
3430 cortex-r*) subarch=armv7r ;;
3431 cortex-m*) enable thumb; subarch=armv7m ;;
3432 arm11*) subarch=armv6 ;;
3433 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3434 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3435 *) subarch=$(probe_arm_arch) ;;
3436 esac
3437 ;;
3438 esac
3439
3440 case "$subarch" in
3441 armv5t*) enable fast_clz ;;
3442 armv[6-8]*) enable fast_clz fast_unaligned ;;
3443 esac
3444
3445 elif enabled avr32; then
3446
3447 case $cpu in
3448 ap7[02]0[0-2])
3449 subarch="avr32_ap"
3450 cpuflags="-mpart=$cpu"
3451 ;;
3452 ap)
3453 subarch="avr32_ap"
3454 cpuflags="-march=$cpu"
3455 ;;
3456 uc3[ab]*)
3457 subarch="avr32_uc"
3458 cpuflags="-mcpu=$cpu"
3459 ;;
3460 uc)
3461 subarch="avr32_uc"
3462 cpuflags="-march=$cpu"
3463 ;;
3464 esac
3465
3466 elif enabled bfin; then
3467
3468 cpuflags="-mcpu=$cpu"
3469
3470 elif enabled mips; then
3471
3472 cpuflags="-march=$cpu"
3473
3474 elif enabled ppc; then
3475
3476 disable ldbrx
3477
3478 case $(tolower $cpu) in
3479 601|ppc601|powerpc601)
3480 cpuflags="-mcpu=601"
3481 disable altivec
3482 ;;
3483 603*|ppc603*|powerpc603*)
3484 cpuflags="-mcpu=603"
3485 disable altivec
3486 ;;
3487 604*|ppc604*|powerpc604*)
3488 cpuflags="-mcpu=604"
3489 disable altivec
3490 ;;
3491 g3|75*|ppc75*|powerpc75*)
3492 cpuflags="-mcpu=750"
3493 disable altivec
3494 ;;
3495 g4|745*|ppc745*|powerpc745*)
3496 cpuflags="-mcpu=7450"
3497 disable vsx
3498 ;;
3499 74*|ppc74*|powerpc74*)
3500 cpuflags="-mcpu=7400"
3501 disable vsx
3502 ;;
3503 g5|970|ppc970|powerpc970)
3504 cpuflags="-mcpu=970"
3505 disable vsx
3506 ;;
3507 power[3-6]*)
3508 cpuflags="-mcpu=$cpu"
3509 disable vsx
3510 ;;
3511 power[7-8]*)
3512 cpuflags="-mcpu=$cpu"
3513 enable ldbrx
3514 ;;
3515 cell)
3516 cpuflags="-mcpu=cell"
3517 enable ldbrx
3518 disable vsx
3519 ;;
3520 e500mc)
3521 cpuflags="-mcpu=e500mc"
3522 disable altivec
3523 ;;
3524 e500v2)
3525 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3526 disable altivec
3527 disable dcbzl
3528 ;;
3529 e500)
3530 cpuflags="-mcpu=8540 -mhard-float"
3531 disable altivec
3532 disable dcbzl
3533 ;;
3534 esac
3535
3536 elif enabled sparc; then
3537
3538 case $cpu in
3539 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3540 cpuflags="-mcpu=$cpu"
3541 ;;
3542 ultrasparc*|niagara[234])
3543 cpuflags="-mcpu=$cpu"
3544 ;;
3545 esac
3546
3547 elif enabled x86; then
3548
3549 case $cpu in
3550 i[345]86|pentium)
3551 cpuflags="-march=$cpu"
3552 disable i686
3553 disable mmx
3554 ;;
3555 # targets that do NOT support nopl and conditional mov (cmov)
3556 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3557 cpuflags="-march=$cpu"
3558 disable i686
3559 ;;
3560 # targets that do support nopl and conditional mov (cmov)
3561 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3562 cpuflags="-march=$cpu"
3563 enable i686
3564 enable fast_cmov
3565 ;;
3566 # targets that do support conditional mov but on which it's slow
3567 pentium4|pentium4m|prescott|nocona)
3568 cpuflags="-march=$cpu"
3569 enable i686
3570 disable fast_cmov
3571 ;;
3572 esac
3573
3574 fi
3575
3576 if [ "$cpu" != generic ]; then
3577 add_cflags $cpuflags
3578 add_asflags $cpuflags
3579 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
3580 fi
3581
3582 # compiler sanity check
3583 check_exec <<EOF
3584 int main(void){ return 0; }
3585 EOF
3586 if test "$?" != 0; then
3587 echo "$cc is unable to create an executable file."
3588 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3589 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3590 echo "Only do this if you know what cross compiling means."
3591 fi
3592 die "C compiler test failed."
3593 fi
3594
3595 add_cppflags -D_ISOC99_SOURCE
3596 check_cflags -std=c99
3597 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3598 #include <stdlib.h>
3599 EOF
3600 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3601 #include <stdlib.h>
3602 EOF
3603
3604 add_host_cppflags -D_ISOC99_SOURCE
3605 check_host_cflags -std=c99
3606 check_host_cflags -Wall
3607 check_host_cflags -O3
3608
3609 check_64bit(){
3610 arch32=$1
3611 arch64=$2
3612 expr=$3
3613 check_code cc "" "int test[2*($expr) - 1]" &&
3614 subarch=$arch64 || subarch=$arch32
3615 }
3616
3617 case "$arch" in
3618 aarch64|alpha|ia64)
3619 spic=$shared
3620 ;;
3621 mips)
3622 check_64bit mips mips64 '_MIPS_SIM > 1'
3623 spic=$shared
3624 ;;
3625 parisc)
3626 check_64bit parisc parisc64 'sizeof(void *) > 4'
3627 spic=$shared
3628 ;;
3629 ppc)
3630 check_64bit ppc ppc64 'sizeof(void *) > 4'
3631 spic=$shared
3632 ;;
3633 s390)
3634 check_64bit s390 s390x 'sizeof(void *) > 4'
3635 spic=$shared
3636 ;;
3637 sparc)
3638 check_64bit sparc sparc64 'sizeof(void *) > 4'
3639 spic=$shared
3640 ;;
3641 x86)
3642 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3643 if test "$subarch" = "x86_64"; then
3644 spic=$shared
3645 fi
3646 ;;
3647 esac
3648
3649 enable $subarch
3650 enabled spic && enable_weak pic
3651
3652 # OS specific
3653 case $target_os in
3654 aix)
3655 SHFLAGS=-shared
3656 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3657 enabled shared && add_ldflags -Wl,-brtl
3658 ;;
3659 android)
3660 disable symver
3661 enable section_data_rel_ro
3662 SLIB_INSTALL_NAME='$(SLIBNAME)'
3663 SLIB_INSTALL_LINKS=
3664 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
3665 ;;
3666 haiku)
3667 prefix_default="/boot/common"
3668 network_extralibs="-lnetwork"
3669 host_libs=
3670 ;;
3671 sunos)
3672 SHFLAGS='-shared -Wl,-h,$$(@F)'
3673 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3674 network_extralibs="-lsocket -lnsl"
3675 # When using suncc to build, the Solaris linker will mark
3676 # an executable with each instruction set encountered by
3677 # the Solaris assembler. As our libraries contain their own
3678 # guards for processor-specific code, instead suppress
3679 # generation of the HWCAPS ELF section on Solaris x86 only.
3680 enabled_all suncc x86 &&
3681 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3682 add_ldflags -Wl,-M,mapfile
3683 nm_default='nm -P -g'
3684 SLIB_CREATE_DEF_CMD='$(Q)perl $(SRC_PATH)/compat/solaris/make_sunver.pl $$(filter %.ver,$$^) $(OBJS) | grep -v @ > $(SUBDIR)lib$(NAME).ver-sol2'
3685 ;;
3686 netbsd)
3687 disable symver
3688 oss_indev_extralibs="-lossaudio"
3689 oss_outdev_extralibs="-lossaudio"
3690 ;;
3691 openbsd|bitrig)
3692 disable symver
3693 SHFLAGS='-shared'
3694 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3695 SLIB_INSTALL_LINKS=
3696 oss_indev_extralibs="-lossaudio"
3697 oss_outdev_extralibs="-lossaudio"
3698 ;;
3699 dragonfly)
3700 disable symver
3701 ;;
3702 freebsd)
3703 ;;
3704 bsd/os)
3705 add_extralibs -lpoll -lgnugetopt
3706 ;;
3707 darwin)
3708 enabled ppc && add_asflags -force_cpusubtype_ALL
3709 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3710 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3711 add_ldflags -Wl,-dynamic,-search_paths_first
3712 SLIBSUF=".dylib"
3713 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3714 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3715 objformat="macho"
3716 enabled x86_64