examples/avcodec: split audio decoding into a separate example
[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-pod2man do not build manual pages
117 --disable-texi2html do not build HTML documentation
118 --disable-avdevice disable libavdevice build
119 --disable-avcodec disable libavcodec build
120 --disable-avformat disable libavformat build
121 --disable-avutil disable libavutil build
122 --disable-swscale disable libswscale build
123 --disable-avfilter disable video filter support [no]
124 --disable-avresample disable libavresample build [no]
125 --disable-pthreads disable pthreads [auto]
126 --disable-w32threads disable Win32 threads [auto]
127 --disable-network disable network support [no]
128 --disable-dct disable DCT code
129 --disable-error-resilience disable error resilience code
130 --disable-lsp disable LSP code
131 --disable-lzo disable LZO decoder code
132 --disable-mdct disable MDCT code
133 --disable-rdft disable RDFT code
134 --disable-fft disable FFT code
135 --disable-faan disable floating point AAN (I)DCT code
136
137 Individual component options:
138 --disable-everything disable all components listed below
139 --disable-encoder=NAME disable encoder NAME
140 --enable-encoder=NAME enable encoder NAME
141 --disable-encoders disable all encoders
142 --disable-decoder=NAME disable decoder NAME
143 --enable-decoder=NAME enable decoder NAME
144 --disable-decoders disable all decoders
145 --disable-hwaccel=NAME disable hwaccel NAME
146 --enable-hwaccel=NAME enable hwaccel NAME
147 --disable-hwaccels disable all hwaccels
148 --disable-muxer=NAME disable muxer NAME
149 --enable-muxer=NAME enable muxer NAME
150 --disable-muxers disable all muxers
151 --disable-demuxer=NAME disable demuxer NAME
152 --enable-demuxer=NAME enable demuxer NAME
153 --disable-demuxers disable all demuxers
154 --enable-parser=NAME enable parser NAME
155 --disable-parser=NAME disable parser NAME
156 --disable-parsers disable all parsers
157 --enable-bsf=NAME enable bitstream filter NAME
158 --disable-bsf=NAME disable bitstream filter NAME
159 --disable-bsfs disable all bitstream filters
160 --enable-protocol=NAME enable protocol NAME
161 --disable-protocol=NAME disable protocol NAME
162 --disable-protocols disable all protocols
163 --enable-indev=NAME enable input device NAME
164 --disable-indev=NAME disable input device NAME
165 --disable-indevs disable input devices
166 --enable-outdev=NAME enable output device NAME
167 --disable-outdev=NAME disable output device NAME
168 --disable-outdevs disable output devices
169 --disable-devices disable all devices
170 --enable-filter=NAME enable filter NAME
171 --disable-filter=NAME disable filter NAME
172 --disable-filters disable all filters
173
174 External library support:
175
176 Using any of the following switches will allow Libav to link to the
177 corresponding external library. All the components depending on that library
178 will become enabled, if all their other dependencies are met and they are not
179 explicitly disabled. E.g. --enable-libwavpack will enable linking to
180 libwavpack and allow the libwavpack encoder to be built, unless it is
181 specifically disabled with --disable-encoder=libwavpack.
182
183 Note that only the system libraries are auto-detected. All the other external
184 libraries must be explicitly enabled.
185
186 Also note that the following help text describes the purpose of the libraries
187 themselves, not all their features will necessarily be usable by Libav.
188
189 --enable-avisynth video frameserver
190 --enable-bzlib bzip2 compression [autodetect]
191 --enable-frei0r video filtering plugins
192 --enable-gnutls crypto
193 --enable-libbs2b Bauer stereophonic-to-binaural DSP
194 --enable-libcdio audio CD input
195 --enable-libdc1394 IEEE 1394/Firewire camera input
196 --enable-libdcadec DCA audio decoding
197 --enable-libfaac AAC audio encoding
198 --enable-libfdk-aac AAC audio encoding/decoding
199 --enable-libfontconfig font configuration and management
200 --enable-libfreetype font rendering
201 --enable-libgsm GSM audio encoding/decoding
202 --enable-libhdcd HDCD decoding filter
203 --enable-libilbc ILBC audio encoding/decoding
204 --enable-libkvazaar HEVC video encoding
205 --enable-libmp3lame MP3 audio encoding
206 --enable-libopencore-amrnb AMR-NB audio encoding/decoding
207 --enable-libopencore-amrwb AMR-WB audio decoding
208 --enable-libopencv computer vision
209 --enable-libopenh264 H.264 video encoding/decoding
210 --enable-libopenjpeg JPEG 2000 image encoding/decoding
211 --enable-libopus Opus audio encoding/decoding
212 --enable-libpulse Pulseaudio sound server
213 --enable-librtmp RTMP streaming
214 --enable-libschroedinger Dirac video encoding/decoding
215 --enable-libsnappy snappy compression
216 --enable-libspeex Speex audio encoding/decoding
217 --enable-libtheora Theora video encoding/decoding
218 --enable-libtwolame MP2 audio encoding
219 --enable-libvo-aacenc AAC audio encoding
220 --enable-libvo-amrwbenc AMR-WB audio encoding
221 --enable-libvorbis Vorbis audio encoding/decoding
222 --enable-libvpx VP* video encoding/decoding
223 --enable-libwavpack Wavpack audio encoding/decoding
224 --enable-libwebp WebP image encoding/decoding
225 --enable-libx264 H.264 video encoding
226 --enable-libx265 HEVC video encoding
227 --enable-libxavs Chinese AVS video encoding
228 --enable-libxcb X window system protocol communication
229 --enable-libxcb-shm X11 shm communication [auto]
230 --enable-libxcb-xfixes X11 mouse rendering [auto]
231 --enable-libxvid MPEG-4 ASP video encoding
232 --enable-openssl crypto
233 --enable-zlib compression [autodetect]
234
235 The following libraries provide various hardware acceleration features:
236 --enable-cuda Nvidia CUDA (dynamically linked)
237 --enable-d3d11va Microsoft Direct3D 11 video acceleration [auto]
238 --enable-dxva2 Microsoft DirectX 9 video acceleration [auto]
239 --enable-libmfx Intel MediaSDK (AKA Quick Sync Video)
240 --enable-libnpp Nvidia CUDA processing
241 --enable-mmal Broadcom Multi-Media Abstraction Layer (Raspberry Pi)
242 --enable-nvenc Nvidia video encoding
243 --enable-omx OpenMAX IL
244 --enable-omx-rpi OpenMAX IL for Raspberry Pi
245 --enable-vaapi Video Acceleration API (mainly Unix/Intel)
246 --enable-vda Apple Video Decode Acceleration [auto]
247 --enable-vdpau Nvidia Video Decode and Presentation API for Unix [auto]
248
249 Toolchain options:
250 --arch=ARCH select architecture [$arch]
251 --cpu=CPU select the minimum required CPU (affects
252 instruction selection, may crash on older CPUs)
253 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
254 --enable-cross-compile assume a cross-compiler is used
255 --sysroot=PATH root of cross-build tree
256 --sysinclude=PATH location of cross-build system headers
257 --target-os=OS compiler targets OS [$target_os]
258 --target-exec=CMD command to run executables on target
259 --target-path=DIR path to view of build directory on target
260 --target-samples=DIR path to samples directory on target
261 --toolchain=NAME set tool defaults according to NAME
262 --nm=NM use nm tool
263 --ar=AR use archive tool AR [$ar_default]
264 --as=AS use assembler AS [$as_default]
265 --cc=CC use C compiler CC [$cc_default]
266 --objcc=OCC use ObjC compiler OCC [$cc_default]
267 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
268 --ld=LD use linker LD
269 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
270 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
271 --host-cc=HOSTCC use host C compiler HOSTCC
272 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
273 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
274 --host-ld=HOSTLD use host linker HOSTLD
275 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
276 --host-libs=HLIBS use libs HLIBS when linking for host
277 --host-os=OS compiler host OS [$target_os]
278 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
279 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
280 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
281 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
282 --extra-libs=ELIBS add ELIBS [$ELIBS]
283 --extra-version=STRING version string suffix []
284 --optflags=OPTFLAGS override optimization-related compiler flags
285 --build-suffix=SUFFIX library name suffix []
286 --enable-pic build position-independent code
287 --enable-thumb compile for Thumb instruction set
288 --enable-lto use link-time optimization
289 --env="ENV=override" override the environment variables
290
291 Advanced options (experts only):
292 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
293 --custom-allocator=NAME use a supported custom allocator
294 --disable-symver disable symbol versioning
295 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
296 --disable-safe-bitstream-reader
297 disable buffer boundary checking in bitreaders
298 (faster, but may crash)
299 --enable-sram allow use of on-chip SRAM
300
301 Optimization options (experts only):
302 --disable-asm disable all assembly optimizations
303 --disable-altivec disable AltiVec optimizations
304 --disable-vsx disable VSX optimizations
305 --disable-power8 disable POWER8 optimizations
306 --disable-amd3dnow disable 3DNow! optimizations
307 --disable-amd3dnowext disable 3DNow! extended optimizations
308 --disable-mmx disable MMX optimizations
309 --disable-mmxext disable MMXEXT optimizations
310 --disable-sse disable SSE optimizations
311 --disable-sse2 disable SSE2 optimizations
312 --disable-sse3 disable SSE3 optimizations
313 --disable-ssse3 disable SSSE3 optimizations
314 --disable-sse4 disable SSE4 optimizations
315 --disable-sse42 disable SSE4.2 optimizations
316 --disable-avx disable AVX optimizations
317 --disable-xop disable XOP optimizations
318 --disable-fma3 disable FMA3 optimizations
319 --disable-fma4 disable FMA4 optimizations
320 --disable-avx2 disable AVX2 optimizations
321 --disable-armv5te disable armv5te optimizations
322 --disable-armv6 disable armv6 optimizations
323 --disable-armv6t2 disable armv6t2 optimizations
324 --disable-vfp disable VFP optimizations
325 --disable-neon disable NEON optimizations
326 --disable-inline-asm disable use of inline assembly
327 --disable-yasm disable use of nasm/yasm assembly
328
329 Developer options (useful when working on Libav itself):
330 --disable-debug disable debugging symbols
331 --enable-debug=LEVEL set the debug level [$debuglevel]
332 --disable-optimizations disable compiler optimizations
333 --enable-extra-warnings enable more compiler warnings
334 --samples=PATH location of test samples for FATE, if not set use
335 \$LIBAV_SAMPLES at make invocation time.
336 --enable-neon-clobber-test check NEON registers for clobbering (should be
337 used only for debugging purposes)
338 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
339 should be used only for debugging purposes)
340 --enable-random randomly enable/disable components
341 --disable-random
342 --enable-random=LIST randomly enable/disable specific components or
343 --disable-random=LIST component groups. LIST is a comma-separated list
344 of NAME[:PROB] entries where NAME is a component
345 (group) and PROB the probability associated with
346 NAME (default 0.5).
347 --random-seed=VALUE seed value for --enable/disable-random
348 --disable-valgrind-backtrace do not print a backtrace under Valgrind
349 (only applies to --disable-optimizations builds)
350
351 NOTE: Object files are built at the place where configure is launched.
352 EOF
353 exit 0
354 }
355
356 quotes='""'
357
358 log(){
359 echo "$@" >> $logfile
360 }
361
362 log_file(){
363 log BEGIN $1
364 i=1
365 while read line; do
366 printf '%5s %s\n' "${i}" "${line}"
367 i=$(($i+1))
368 done < $1 >> $logfile
369 log END $1
370 }
371
372 echolog(){
373 log "$@"
374 echo "$@"
375 }
376
377 warn(){
378 log "WARNING: $*"
379 WARNINGS="${WARNINGS}WARNING: $*\n"
380 }
381
382 die(){
383 echolog "$@"
384 cat <<EOF
385
386 If you think configure made a mistake, make sure you are using the latest
387 version from Git. If the latest version fails, report the problem to the
388 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
389 EOF
390 if disabled logging; then
391 cat <<EOF
392 Rerun configure with logging enabled (do not use --disable-logging), and
393 include the log this produces with your report.
394 EOF
395 else
396 cat <<EOF
397 Include the log file "$logfile" produced by configure as this will help
398 solving the problem.
399 EOF
400 fi
401 exit 1
402 }
403
404 # Avoid locale weirdness, besides we really just want to translate ASCII.
405 toupper(){
406 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
407 }
408
409 tolower(){
410 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
411 }
412
413 c_escape(){
414 echo "$*" | sed 's/["\\]/\\\0/g'
415 }
416
417 sh_quote(){
418 v=$(echo "$1" | sed "s/'/'\\\\''/g")
419 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
420 echo "$v"
421 }
422
423 cleanws(){
424 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
425 }
426
427 filter(){
428 pat=$1
429 shift
430 for v; do
431 eval "case $v in $pat) echo $v ;; esac"
432 done
433 }
434
435 filter_out(){
436 pat=$1
437 shift
438 for v; do
439 eval "case $v in $pat) ;; *) echo $v ;; esac"
440 done
441 }
442
443 map(){
444 m=$1
445 shift
446 for v; do eval $m; done
447 }
448
449 add_suffix(){
450 suffix=$1
451 shift
452 for v; do echo ${v}${suffix}; done
453 }
454
455 set_all(){
456 value=$1
457 shift
458 for var in $*; do
459 eval $var=$value
460 done
461 }
462
463 set_weak(){
464 value=$1
465 shift
466 for var; do
467 eval : \${$var:=$value}
468 done
469 }
470
471 sanitize_var_name(){
472 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
473 }
474
475 set_safe(){
476 var=$1
477 shift
478 eval $(sanitize_var_name "$var")='$*'
479 }
480
481 get_safe(){
482 eval echo \$$(sanitize_var_name "$1")
483 }
484
485 pushvar(){
486 for pvar in $*; do
487 eval level=\${${pvar}_level:=0}
488 eval ${pvar}_${level}="\$$pvar"
489 eval ${pvar}_level=$(($level+1))
490 done
491 }
492
493 popvar(){
494 for pvar in $*; do
495 eval level=\${${pvar}_level:-0}
496 test $level = 0 && continue
497 eval level=$(($level-1))
498 eval $pvar="\${${pvar}_${level}}"
499 eval ${pvar}_level=$level
500 eval unset ${pvar}_${level}
501 done
502 }
503
504 enable(){
505 set_all yes $*
506 }
507
508 disable(){
509 set_all no $*
510 }
511
512 enable_weak(){
513 set_weak yes $*
514 }
515
516 disable_weak(){
517 set_weak no $*
518 }
519
520 enable_safe(){
521 for var; do
522 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
523 done
524 }
525
526 disable_safe(){
527 for var; do
528 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
529 done
530 }
531
532 do_enable_deep(){
533 for var; do
534 enabled $var && continue
535 eval sel="\$${var}_select"
536 eval sgs="\$${var}_suggest"
537 pushvar var sgs
538 enable_deep $sel
539 popvar sgs
540 enable_deep_weak $sgs
541 popvar var
542 done
543 }
544
545 enable_deep(){
546 do_enable_deep $*
547 enable $*
548 }
549
550 enable_deep_weak(){
551 for var; do
552 disabled $var && continue
553 pushvar var
554 do_enable_deep $var
555 popvar var
556 enable_weak $var
557 done
558 }
559
560 enabled(){
561 test "${1#!}" = "$1" && op== || op=!=
562 eval test "x\$${1#!}" $op "xyes"
563 }
564
565 disabled(){
566 test "${1#!}" = "$1" && op== || op=!=
567 eval test "x\$${1#!}" $op "xno"
568 }
569
570 enabled_all(){
571 for opt; do
572 enabled $opt || return 1
573 done
574 }
575
576 disabled_all(){
577 for opt; do
578 disabled $opt || return 1
579 done
580 }
581
582 enabled_any(){
583 for opt; do
584 enabled $opt && return 0
585 done
586 }
587
588 disabled_any(){
589 for opt; do
590 disabled $opt && return 0
591 done
592 return 1
593 }
594
595 set_default(){
596 for opt; do
597 eval : \${$opt:=\$${opt}_default}
598 done
599 }
600
601 is_in(){
602 value=$1
603 shift
604 for var in $*; do
605 [ $var = $value ] && return 0
606 done
607 return 1
608 }
609
610 do_check_deps(){
611 for cfg; do
612 cfg="${cfg#!}"
613 enabled ${cfg}_checking && die "Circular dependency for $cfg."
614 disabled ${cfg}_checking && continue
615 enable ${cfg}_checking
616 append allopts $cfg
617
618 eval dep_all="\$${cfg}_deps"
619 eval dep_any="\$${cfg}_deps_any"
620 eval dep_sel="\$${cfg}_select"
621 eval dep_sgs="\$${cfg}_suggest"
622 eval dep_ifa="\$${cfg}_if"
623 eval dep_ifn="\$${cfg}_if_any"
624
625 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
626 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
627 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
628
629 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
630 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
631 enabled_all $dep_all || disable $cfg
632 enabled_any $dep_any || disable $cfg
633 disabled_any $dep_sel && disable $cfg
634
635 if enabled $cfg; then
636 enable_deep $dep_sel
637 enable_deep_weak $dep_sgs
638 fi
639
640 disable ${cfg}_checking
641 done
642 }
643
644 check_deps(){
645 unset allopts
646
647 do_check_deps "$@"
648
649 for cfg in $allopts; do
650 enabled $cfg || continue
651 eval dep_extralibs="\$${cfg}_extralibs"
652 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
653 done
654 }
655
656 print_config(){
657 pfx=$1
658 files=$2
659 shift 2
660 map 'eval echo "$v \${$v:-no}"' "$@" |
661 awk "BEGIN { split(\"$files\", files) }
662 {
663 c = \"$pfx\" toupper(\$1);
664 v = \$2;
665 sub(/yes/, 1, v);
666 sub(/no/, 0, v);
667 for (f in files) {
668 file = files[f];
669 if (file ~ /\\.h\$/) {
670 printf(\"#define %s %d\\n\", c, v) >>file;
671 } else if (file ~ /\\.asm\$/) {
672 printf(\"%%define %s %d\\n\", c, v) >>file;
673 } else if (file ~ /\\.mak\$/) {
674 n = -v ? \"\" : \"!\";
675 printf(\"%s%s=yes\\n\", n, c) >>file;
676 }
677 }
678 }"
679 }
680
681 print_enabled(){
682 suf=$1
683 shift
684 for v; do
685 enabled $v && printf "%s\n" ${v%$suf}
686 done
687 }
688
689 append(){
690 var=$1
691 shift
692 eval "$var=\"\$$var $*\""
693 }
694
695 prepend(){
696 var=$1
697 shift
698 eval "$var=\"$* \$$var\""
699 }
700
701 unique(){
702 var=$1
703 uniq_list=""
704 for tok in $(eval echo \$$var); do
705 uniq_list="$(filter_out $tok $uniq_list) $tok"
706 done
707 eval "$var=\"${uniq_list}\""
708 }
709
710 add_cppflags(){
711 append CPPFLAGS "$@"
712 }
713
714 add_cflags(){
715 append CFLAGS $($cflags_filter "$@")
716 }
717
718 add_asflags(){
719 append ASFLAGS $($asflags_filter "$@")
720 }
721
722 add_objcflags(){
723 append OBJCFLAGS $($objcflags_filter "$@")
724 }
725
726 add_ldflags(){
727 append LDFLAGS $($ldflags_filter "$@")
728 }
729
730 add_ldexeflags(){
731 append LDEXEFLAGS $($ldflags_filter "$@")
732 }
733
734 add_stripflags(){
735 append STRIPFLAGS "$@"
736 }
737
738 add_extralibs(){
739 prepend extralibs $($ldflags_filter "$@")
740 }
741
742 add_host_cppflags(){
743 append host_cppflags "$@"
744 }
745
746 add_host_cflags(){
747 append host_cflags $($host_cflags_filter "$@")
748 }
749
750 add_host_ldflags(){
751 append host_ldflags $($host_ldflags_filter "$@")
752 }
753
754 add_compat(){
755 append compat_objs $1
756 shift
757 map 'add_cppflags -D$v' "$@"
758 }
759
760 check_cmd(){
761 log "$@"
762 "$@" >> $logfile 2>&1
763 }
764
765 cc_o(){
766 eval printf '%s\\n' $CC_O
767 }
768
769 cc_e(){
770 eval printf '%s\\n' $CC_E
771 }
772
773 check_cc(){
774 log check_cc "$@"
775 cat > $TMPC
776 log_file $TMPC
777 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
778 }
779
780 check_objcc(){
781 log check_objcc "$@"
782 cat > $TMPC
783 log_file $TMPC
784 check_cmd $objcc $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPC
785 }
786
787 check_cpp(){
788 log check_cpp "$@"
789 cat > $TMPC
790 log_file $TMPC
791 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
792 }
793
794 as_o(){
795 eval printf '%s\\n' $AS_O
796 }
797
798 check_as(){
799 log check_as "$@"
800 cat > $TMPS
801 log_file $TMPS
802 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
803 }
804
805 check_inline_asm(){
806 log check_inline_asm "$@"
807 name="$1"
808 code="$2"
809 shift 2
810 disable $name
811 check_cc "$@" <<EOF && enable $name
812 void foo(void){ __asm__ volatile($code); }
813 EOF
814 }
815
816 check_insn(){
817 log check_insn "$@"
818 check_inline_asm ${1}_inline "\"$2\""
819 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
820 }
821
822 check_yasm(){
823 log check_yasm "$@"
824 echo "$1" > $TMPS
825 log_file $TMPS
826 shift 1
827 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
828 }
829
830 ld_o(){
831 eval printf '%s\\n' $LD_O
832 }
833
834 check_ld(){
835 log check_ld "$@"
836 flags=$(filter_out '-l*' "$@")
837 libs=$(filter '-l*' "$@")
838 check_cc $($cflags_filter $flags) || return
839 flags=$($ldflags_filter $flags)
840 libs=$($ldflags_filter $libs)
841 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
842 }
843
844 print_include(){
845 hdr=$1
846 test "${hdr%.h}" = "${hdr}" &&
847 echo "#include $hdr" ||
848 echo "#include <$hdr>"
849 }
850
851 check_code(){
852 log check_code "$@"
853 check=$1
854 headers=$2
855 code=$3
856 shift 3
857 {
858 for hdr in $headers; do
859 print_include $hdr
860 done
861 echo "int main(void) { $code; return 0; }"
862 } | check_$check "$@"
863 }
864
865 check_cppflags(){
866 log check_cppflags "$@"
867 check_cc "$@" <<EOF && append CPPFLAGS "$@"
868 int x;
869 EOF
870 }
871
872 test_cflags(){
873 log test_cflags "$@"
874 set -- $($cflags_filter "$@")
875 check_cc "$@" <<EOF
876 int x;
877 EOF
878 }
879
880 check_cflags(){
881 log check_cflags "$@"
882 test_cflags "$@" && add_cflags "$@"
883 }
884
885 test_objcflags(){
886 log test_cflags "$@"
887 set -- $($cflags_filter "$@")
888 check_objcc "$@" <<EOF
889 int x;
890 EOF
891 }
892
893 check_objcflags(){
894 log check_cflags "$@"
895 test_objcflags "$@" && add_objcflags "$@"
896 }
897
898 test_ldflags(){
899 log test_ldflags "$@"
900 check_ld "$@" <<EOF
901 int main(void){ return 0; }
902 EOF
903 }
904
905 check_ldflags(){
906 log check_ldflags "$@"
907 test_ldflags "$@" && add_ldflags "$@"
908 }
909
910 test_stripflags(){
911 log test_stripflags "$@"
912 # call check_cc to get a fresh TMPO
913 check_cc <<EOF
914 int main(void) { return 0; }
915 EOF
916 check_cmd $strip $STRIPFLAGS "$@" $TMPO
917 }
918
919 check_stripflags(){
920 log check_stripflags "$@"
921 test_stripflags "$@" && add_stripflags "$@"
922 }
923
924 check_header(){
925 log check_header "$@"
926 header=$1
927 shift
928 disable_safe $header
929 check_cpp "$@" <<EOF && enable_safe $header
930 #include <$header>
931 int x;
932 EOF
933 }
934
935 check_func(){
936 log check_func "$@"
937 func=$1
938 shift
939 disable $func
940 check_ld "$@" <<EOF && enable $func
941 extern int $func();
942 int main(void){ $func(); }
943 EOF
944 }
945
946 check_mathfunc(){
947 log check_mathfunc "$@"
948 func=$1
949 narg=$2
950 shift 2
951 test $narg = 2 && args="f, g" || args="f"
952 disable $func
953 check_ld "$@" <<EOF && enable $func
954 #include <math.h>
955 float foo(float f, float g) { return $func($args); }
956 int main(void){ return 0; }
957 EOF
958 }
959
960 check_func_headers(){
961 log check_func_headers "$@"
962 headers=$1
963 funcs=$2
964 shift 2
965 {
966 for hdr in $headers; do
967 print_include $hdr
968 done
969 for func in $funcs; do
970 echo "long check_$func(void) { return (long) $func; }"
971 done
972 echo "int main(void) { return 0; }"
973 } | check_ld "$@" && enable $funcs && enable_safe $headers
974 }
975
976 check_cpp_condition(){
977 log check_cpp_condition "$@"
978 header=$1
979 condition=$2
980 shift 2
981 check_cpp "$@" <<EOF
982 #include <$header>
983 #if !($condition)
984 #error "unsatisfied condition: $condition"
985 #endif
986 EOF
987 }
988
989 test_cflags_cpp(){
990 log test_cflags_cpp "$@"
991 flags=$1
992 condition=$2
993 shift 2
994 set -- $($cflags_filter "$flags")
995 check_cpp "$@" <<EOF
996 #if !($condition)
997 #error "unsatisfied condition: $condition"
998 #endif
999 EOF
1000 }
1001
1002 check_lib(){
1003 log check_lib "$@"
1004 headers="$1"
1005 funcs="$2"
1006 shift 2
1007 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1008 }
1009
1010 check_pkg_config(){
1011 log check_pkg_config "$@"
1012 pkg="$1"
1013 headers="$2"
1014 funcs="$3"
1015 shift 3
1016 check_cmd $pkg_config --exists --print-errors $pkg || return
1017 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1018 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1019 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1020 set_safe "${pkg}_cflags" $pkg_cflags &&
1021 set_safe "${pkg}_libs" $pkg_libs
1022 }
1023
1024 check_exec(){
1025 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1026 }
1027
1028 check_exec_crash(){
1029 code=$(cat)
1030
1031 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1032 # are safe but may not be available everywhere. Thus we use
1033 # raise(SIGTERM) instead. The check is run in a subshell so we
1034 # can redirect the "Terminated" message from the shell. SIGBUS
1035 # is not defined by standard C so it is used conditionally.
1036
1037 (check_exec "$@") >> $logfile 2>&1 <<EOF
1038 #include <signal.h>
1039 static void sighandler(int sig){
1040 raise(SIGTERM);
1041 }
1042 int foo(void){
1043 $code
1044 }
1045 int (*func_ptr)(void) = foo;
1046 int main(void){
1047 signal(SIGILL, sighandler);
1048 signal(SIGFPE, sighandler);
1049 signal(SIGSEGV, sighandler);
1050 #ifdef SIGBUS
1051 signal(SIGBUS, sighandler);
1052 #endif
1053 return func_ptr();
1054 }
1055 EOF
1056 }
1057
1058 check_type(){
1059 log check_type "$@"
1060 headers=$1
1061 type=$2
1062 shift 2
1063 disable_safe "$type"
1064 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1065 }
1066
1067 check_struct(){
1068 log check_struct "$@"
1069 headers=$1
1070 struct=$2
1071 member=$3
1072 shift 3
1073 disable_safe "${struct}_${member}"
1074 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1075 enable_safe "${struct}_${member}"
1076 }
1077
1078 check_builtin(){
1079 log check_builtin "$@"
1080 name=$1
1081 headers=$2
1082 builtin=$3
1083 shift 3
1084 disable "$name"
1085 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1086 }
1087
1088 check_compile_assert(){
1089 log check_compile_assert "$@"
1090 name=$1
1091 headers=$2
1092 condition=$3
1093 shift 3
1094 disable "$name"
1095 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1096 }
1097
1098 require(){
1099 name="$1"
1100 headers="$2"
1101 func="$3"
1102 shift 3
1103 check_lib "$headers" $func "$@" || die "ERROR: $name not found"
1104 }
1105
1106 require_pkg_config(){
1107 pkg="$1"
1108 check_pkg_config "$@" || die "ERROR: $pkg not found"
1109 add_cflags $(get_safe "${pkg}_cflags")
1110 add_extralibs $(get_safe "${pkg}_libs")
1111 }
1112
1113 hostcc_e(){
1114 eval printf '%s\\n' $HOSTCC_E
1115 }
1116
1117 hostcc_o(){
1118 eval printf '%s\\n' $HOSTCC_O
1119 }
1120
1121 check_host_cc(){
1122 log check_host_cc "$@"
1123 cat > $TMPC
1124 log_file $TMPC
1125 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1126 }
1127
1128 check_host_cpp(){
1129 log check_host_cpp "$@"
1130 cat > $TMPC
1131 log_file $TMPC
1132 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1133 }
1134
1135 check_host_cppflags(){
1136 log check_host_cppflags "$@"
1137 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1138 int x;
1139 EOF
1140 }
1141
1142 check_host_cflags(){
1143 log check_host_cflags "$@"
1144 set -- $($host_cflags_filter "$@")
1145 check_host_cc "$@" <<EOF && append host_cflags "$@"
1146 int x;
1147 EOF
1148 }
1149
1150 check_host_cpp_condition(){
1151 log check_host_cpp_condition "$@"
1152 header=$1
1153 condition=$2
1154 shift 2
1155 check_host_cpp "$@" <<EOF
1156 #include <$header>
1157 #if !($condition)
1158 #error "unsatisfied condition: $condition"
1159 #endif
1160 EOF
1161 }
1162
1163 apply(){
1164 file=$1
1165 shift
1166 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1167 }
1168
1169 cp_if_changed(){
1170 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1171 mkdir -p "$(dirname $2)"
1172 $cp_f "$1" "$2"
1173 }
1174
1175 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1176 # system-dependent things.
1177
1178 AVCODEC_COMPONENTS="
1179 bsfs
1180 decoders
1181 encoders
1182 hwaccels
1183 parsers
1184 "
1185
1186 AVDEVICE_COMPONENTS="
1187 indevs
1188 outdevs
1189 "
1190 AVFILTER_COMPONENTS="
1191 filters
1192 "
1193 AVFORMAT_COMPONENTS="
1194 demuxers
1195 muxers
1196 protocols
1197 "
1198
1199 AVRESAMPLE_COMPONENTS=""
1200 AVUTIL_COMPONENTS=""
1201
1202 COMPONENT_LIST="
1203 $AVCODEC_COMPONENTS
1204 $AVDEVICE_COMPONENTS
1205 $AVFILTER_COMPONENTS
1206 $AVFORMAT_COMPONENTS
1207 $AVRESAMPLE_COMPONENTS
1208 $AVUTIL_COMPONENTS
1209 "
1210
1211 EXAMPLE_LIST="
1212 avcodec_example
1213 decode_audio_example
1214 encode_audio_example
1215 filter_audio_example
1216 metadata_example
1217 output_example
1218 qsvdec_example
1219 transcode_aac_example
1220 "
1221
1222 HWACCEL_LIBRARY_NONFREE_LIST="
1223 cuda
1224 libnpp
1225 "
1226 HWACCEL_LIBRARY_LIST="
1227 $HWACCEL_LIBRARY_NONFREE_LIST
1228 d3d11va
1229 dxva2
1230 libmfx
1231 mmal
1232 nvenc
1233 omx
1234 vaapi
1235 vda
1236 vdpau
1237 "
1238
1239 EXTERNAL_LIBRARY_GPL_LIST="
1240 libcdio
1241 libx264
1242 libx265
1243 libxavs
1244 libxvid
1245 "
1246
1247 EXTERNAL_LIBRARY_NONFREE_LIST="
1248 libfaac
1249 libfdk_aac
1250 openssl
1251 "
1252
1253 EXTERNAL_LIBRARY_VERSION3_LIST="
1254 libopencore_amrnb
1255 libopencore_amrwb
1256 libvo_aacenc
1257 libvo_amrwbenc
1258 "
1259
1260 EXTERNAL_LIBRARY_LIST="
1261 $EXTERNAL_LIBRARY_GPL_LIST
1262 $EXTERNAL_LIBRARY_NONFREE_LIST
1263 $EXTERNAL_LIBRARY_VERSION3_LIST
1264 avisynth
1265 bzlib
1266 frei0r
1267 gnutls
1268 libbs2b
1269 libdc1394
1270 libdcadec
1271 libfontconfig
1272 libfreetype
1273 libgsm
1274 libhdcd
1275 libilbc
1276 libkvazaar
1277 libmp3lame
1278 libopencv
1279 libopenh264
1280 libopenjpeg
1281 libopus
1282 libpulse
1283 librtmp
1284 libschroedinger
1285 libsnappy
1286 libspeex
1287 libtheora
1288 libtwolame
1289 libvorbis
1290 libvpx
1291 libwavpack
1292 libwebp
1293 libxcb
1294 libxcb_shm
1295 libxcb_xfixes
1296 zlib
1297 "
1298
1299 FEATURE_LIST="
1300 gray
1301 hardcoded_tables
1302 omx_rpi
1303 runtime_cpudetect
1304 safe_bitstream_reader
1305 shared
1306 small
1307 sram
1308 static
1309 swscale_alpha
1310 "
1311
1312 LIBRARY_LIST="
1313 avcodec
1314 avdevice
1315 avfilter
1316 avformat
1317 avresample
1318 avutil
1319 swscale
1320 "
1321
1322 LICENSE_LIST="
1323 gpl
1324 nonfree
1325 version3
1326 "
1327
1328 PROGRAM_LIST="
1329 avconv
1330 avplay
1331 avprobe
1332 "
1333
1334 SUBSYSTEM_LIST="
1335 dct
1336 doc
1337 error_resilience
1338 faan
1339 fft
1340 lsp
1341 lzo
1342 mdct
1343 network
1344 rdft
1345 "
1346
1347 CONFIG_LIST="
1348 $COMPONENT_LIST
1349 $EXAMPLE_LIST
1350 $EXTERNAL_LIBRARY_LIST
1351 $HWACCEL_LIBRARY_LIST
1352 $FEATURE_LIST
1353 $LICENSE_LIST
1354 $LIBRARY_LIST
1355 $PROGRAM_LIST
1356 $SUBSYSTEM_LIST
1357 neon_clobber_test
1358 pic
1359 pod2man
1360 texi2html
1361 thumb
1362 valgrind_backtrace
1363 xmm_clobber_test
1364 "
1365
1366 THREADS_LIST="
1367 pthreads
1368 w32threads
1369 "
1370
1371 ATOMICS_LIST="
1372 atomics_gcc
1373 atomics_suncc
1374 atomics_win32
1375 "
1376
1377 ARCH_LIST="
1378 aarch64
1379 alpha
1380 arm
1381 avr32
1382 avr32_ap
1383 avr32_uc
1384 bfin
1385 ia64
1386 m68k
1387 mips
1388 mips64
1389 parisc
1390 ppc
1391 ppc64
1392 s390
1393 sh4
1394 sparc
1395 sparc64
1396 tilegx
1397 tilepro
1398 tomi
1399 x86
1400 x86_32
1401 x86_64
1402 "
1403
1404 ARCH_EXT_LIST_ARM="
1405 armv5te
1406 armv6
1407 armv6t2
1408 armv8
1409 neon
1410 vfp
1411 vfpv3
1412 "
1413
1414 ARCH_EXT_LIST_X86_SIMD="
1415 amd3dnow
1416 amd3dnowext
1417 avx
1418 avx2
1419 fma3
1420 fma4
1421 mmx
1422 mmxext
1423 sse
1424 sse2
1425 sse3
1426 sse4
1427 sse42
1428 ssse3
1429 xop
1430 "
1431
1432 ARCH_EXT_LIST_PPC="
1433 altivec
1434 dcbzl
1435 ldbrx
1436 power8
1437 ppc4xx
1438 vsx
1439 "
1440
1441 ARCH_EXT_LIST_X86="
1442 $ARCH_EXT_LIST_X86_SIMD
1443 cpunop
1444 i686
1445 "
1446
1447 ARCH_EXT_LIST_MIPS="
1448 loongson
1449 mips32r1
1450 mips64r1
1451 mips32r2
1452 mips64r2
1453 mips32r6
1454 mips64r6
1455 "
1456
1457 ARCH_EXT_LIST="
1458 $ARCH_EXT_LIST_ARM
1459 $ARCH_EXT_LIST_MIPS
1460 $ARCH_EXT_LIST_PPC
1461 $ARCH_EXT_LIST_X86
1462 vis
1463 "
1464
1465 ARCH_FEATURES="
1466 aligned_stack
1467 fast_64bit
1468 fast_clz
1469 fast_cmov
1470 local_aligned_8
1471 local_aligned_16
1472 local_aligned_32
1473 simd_align_16
1474 simd_align_32
1475 "
1476
1477 BUILTIN_LIST="
1478 atomic_cas_ptr
1479 machine_rw_barrier
1480 MemoryBarrier
1481 mm_empty
1482 rdtsc
1483 sem_timedwait
1484 sync_val_compare_and_swap
1485 "
1486 HAVE_LIST_CMDLINE="
1487 inline_asm
1488 symver
1489 yasm
1490 "
1491
1492 HAVE_LIST_PUB="
1493 bigendian
1494 fast_unaligned
1495 "
1496
1497 HEADERS_LIST="
1498 AVFoundation_AVFoundation_h
1499 alsa_asoundlib_h
1500 altivec_h
1501 arpa_inet_h
1502 cdio_paranoia_h
1503 cdio_paranoia_paranoia_h
1504 dispatch_dispatch_h
1505 dev_bktr_ioctl_bt848_h
1506 dev_bktr_ioctl_meteor_h
1507 dev_ic_bt8xx_h
1508 dev_video_bktr_ioctl_bt848_h
1509 dev_video_meteor_ioctl_meteor_h
1510 direct_h
1511 dlfcn_h
1512 d3d11_h
1513 dxva_h
1514 gsm_h
1515 io_h
1516 mach_mach_time_h
1517 machine_ioctl_bt848_h
1518 machine_ioctl_meteor_h
1519 malloc_h
1520 poll_h
1521 sndio_h
1522 soundcard_h
1523 stdatomic_h
1524 sys_mman_h
1525 sys_param_h
1526 sys_resource_h
1527 sys_select_h
1528 sys_soundcard_h
1529 sys_time_h
1530 sys_un_h
1531 sys_videoio_h
1532 unistd_h
1533 valgrind_valgrind_h
1534 windows_h
1535 winsock2_h
1536 "
1537
1538 INTRINSICS_LIST="
1539 intrinsics_neon
1540 "
1541
1542 MATH_FUNCS="
1543 atanf
1544 atan2f
1545 cbrtf
1546 cosf
1547 exp2
1548 exp2f
1549 expf
1550 isinf
1551 isnan
1552 ldexpf
1553 llrint
1554 llrintf
1555 log2
1556 log2f
1557 log10f
1558 lrint
1559 lrintf
1560 powf
1561 rint
1562 round
1563 roundf
1564 sinf
1565 trunc
1566 truncf
1567 "
1568
1569 SYSTEM_FUNCS="
1570 aligned_malloc
1571 clock_gettime
1572 closesocket
1573 CommandLineToArgvW
1574 CoTaskMemFree
1575 CryptGenRandom
1576 dlopen
1577 fcntl
1578 flt_lim
1579 fork
1580 getaddrinfo
1581 gethrtime
1582 getopt
1583 GetProcessAffinityMask
1584 GetProcessMemoryInfo
1585 GetProcessTimes
1586 getrusage
1587 GetSystemTimeAsFileTime
1588 gettimeofday
1589 gmtime_r
1590 inet_aton
1591 isatty
1592 jack_port_get_latency_range
1593 LoadLibrary
1594 localtime_r
1595 mach_absolute_time
1596 MapViewOfFile
1597 memalign
1598 mkstemp
1599 mmap
1600 mprotect
1601 nanosleep
1602 posix_memalign
1603 sched_getaffinity
1604 SetConsoleTextAttribute
1605 setmode
1606 setrlimit
1607 Sleep
1608 strerror_r
1609 sysconf
1610 sysctl
1611 usleep
1612 VirtualAlloc
1613 "
1614
1615 TOOLCHAIN_FEATURES="
1616 as_dn_directive
1617 as_fpu_directive
1618 as_func
1619 as_object_arch
1620 asm_mod_q
1621 attribute_may_alias
1622 attribute_packed
1623 ebp_available
1624 ebx_available
1625 gnu_as
1626 ibm_asm
1627 inline_asm_labels
1628 pragma_deprecated
1629 symver_asm_label
1630 symver_gnu_asm
1631 vfp_args
1632 xform_asm
1633 xmm_clobbers
1634 "
1635
1636 TYPES_LIST="
1637 CONDITION_VARIABLE_Ptr
1638 socklen_t
1639 struct_addrinfo
1640 struct_group_source_req
1641 struct_ip_mreq_source
1642 struct_ipv6_mreq
1643 struct_pollfd
1644 struct_rusage_ru_maxrss
1645 struct_sockaddr_in6
1646 struct_sockaddr_sa_len
1647 struct_sockaddr_storage
1648 struct_v4l2_frmivalenum_discrete
1649 "
1650
1651 HAVE_LIST="
1652 $ARCH_EXT_LIST
1653 $(add_suffix _external $ARCH_EXT_LIST)
1654 $(add_suffix _inline $ARCH_EXT_LIST)
1655 $ARCH_FEATURES
1656 $BUILTIN_LIST
1657 $HAVE_LIST_CMDLINE
1658 $HAVE_LIST_PUB
1659 $HEADERS_LIST
1660 $INTRINSICS_LIST
1661 $MATH_FUNCS
1662 $SYSTEM_FUNCS
1663 $THREADS_LIST
1664 $TOOLCHAIN_FEATURES
1665 $TYPES_LIST
1666 dos_paths
1667 dxva2_lib
1668 libc_msvcrt
1669 libdc1394_1
1670 libdc1394_2
1671 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
1672 sdl
1673 section_data_rel_ro
1674 threads
1675 vaapi_drm
1676 vaapi_x11
1677 vdpau_x11
1678 xlib
1679 "
1680
1681 # options emitted with CONFIG_ prefix but not available on the command line
1682 CONFIG_EXTRA="
1683 aandcttables
1684 ac3dsp
1685 audio_frame_queue
1686 audiodsp
1687 blockdsp
1688 bswapdsp
1689 cabac
1690 dirac_parse
1691 dvprofile
1692 faandct
1693 faanidct
1694 fdctdsp
1695 flacdsp
1696 fmtconvert
1697 g722dsp
1698 gcrypt
1699 gmp
1700 golomb
1701 gplv3
1702 h263dsp
1703 h264chroma
1704 h264dsp
1705 h264parse
1706 h264pred
1707 h264qpel
1708 hpeldsp
1709 huffman
1710 huffyuvdsp
1711 huffyuvencdsp
1712 idctdsp
1713 iirfilter
1714 imdct15
1715 intrax8
1716 iso_media
1717 ividsp
1718 jpegtables
1719 libx262
1720 lgplv3
1721 lpc
1722 lzf
1723 me_cmp
1724 mpeg_er
1725 mpegaudio
1726 mpegaudiodsp
1727 mpegvideo
1728 mpegvideoenc
1729 mss34dsp
1730 pixblockdsp
1731 qpeldsp
1732 qsv
1733 qsvdec
1734 qsvenc
1735 rangecoder
1736 riffdec
1737 riffenc
1738 rtpdec
1739 rtpenc_chain
1740 rv34dsp
1741 sinewin
1742 snappy
1743 srtp
1744 startcode
1745 texturedsp
1746 texturedspenc
1747 tpeldsp
1748 vaapi_encode
1749 vc1dsp
1750 videodsp
1751 vp3dsp
1752 vp56dsp
1753 vp8dsp
1754 wma_freqs
1755 wmv2dsp
1756 "
1757
1758 CMDLINE_SELECT="
1759 $ARCH_EXT_LIST
1760 $CONFIG_LIST
1761 $HAVE_LIST_CMDLINE
1762 $THREADS_LIST
1763 asm
1764 cross_compile
1765 debug
1766 extra_warnings
1767 logging
1768 lto
1769 optimizations
1770 rpath
1771 "
1772
1773 PATHS_LIST="
1774 bindir
1775 datadir
1776 docdir
1777 incdir
1778 libdir
1779 mandir
1780 prefix
1781 shlibdir
1782 "
1783
1784 CMDLINE_SET="
1785 $PATHS_LIST
1786 ar
1787 arch
1788 as
1789 build_suffix
1790 cc
1791 objcc
1792 cpu
1793 cross_prefix
1794 custom_allocator
1795 dep_cc
1796 env
1797 extra_version
1798 host_cc
1799 host_cflags
1800 host_ld
1801 host_ldflags
1802 host_libs
1803 host_os
1804 ld
1805 logfile
1806 malloc_prefix
1807 nm
1808 optflags
1809 pkg_config
1810 pkg_config_flags
1811 random_seed
1812 samples
1813 sysinclude
1814 sysroot
1815 target_exec
1816 target_os
1817 target_path
1818 target_samples
1819 toolchain
1820 "
1821
1822 CMDLINE_APPEND="
1823 extra_cflags
1824 extra_objcflags
1825 host_cppflags
1826 "
1827
1828 # code dependency declarations
1829
1830 # architecture extensions
1831
1832 armv5te_deps="arm"
1833 armv6_deps="arm"
1834 armv6t2_deps="arm"
1835 armv8_deps="aarch64"
1836 neon_deps_any="aarch64 arm"
1837 intrinsics_neon_deps="neon"
1838 vfp_deps_any="aarch64 arm"
1839 vfpv3_deps="vfp"
1840
1841 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1842
1843 altivec_deps="ppc"
1844 ppc4xx_deps="ppc"
1845 vsx_deps="altivec"
1846 power8_deps="vsx"
1847
1848 cpunop_deps="i686"
1849 x86_64_select="i686"
1850 x86_64_suggest="fast_cmov"
1851
1852 amd3dnow_deps="mmx"
1853 amd3dnowext_deps="amd3dnow"
1854 i686_deps="x86"
1855 mmx_deps="x86"
1856 mmxext_deps="mmx"
1857 sse_deps="mmxext"
1858 sse2_deps="sse"
1859 sse3_deps="sse2"
1860 ssse3_deps="sse3"
1861 sse4_deps="ssse3"
1862 sse42_deps="sse4"
1863 avx_deps="sse42"
1864 xop_deps="avx"
1865 fma3_deps="avx"
1866 fma4_deps="avx"
1867 avx2_deps="avx"
1868
1869 mmx_external_deps="yasm"
1870 mmx_inline_deps="inline_asm"
1871 mmx_suggest="mmx_external mmx_inline"
1872
1873 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1874 eval dep=\$${ext}_deps
1875 eval ${ext}_external_deps='"${dep}_external"'
1876 eval ${ext}_inline_deps='"${dep}_inline"'
1877 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1878 done
1879
1880 aligned_stack_if_any="aarch64 ppc x86"
1881 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1882 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1883 fast_unaligned_if_any="aarch64 ppc x86"
1884 simd_align_16_if_any="altivec neon sse"
1885 simd_align_32_if_any="avx"
1886
1887 # system capabilities
1888 symver_if_any="symver_asm_label symver_gnu_asm"
1889 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
1890
1891 # threading support
1892 atomics_gcc_if="sync_val_compare_and_swap"
1893 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1894 atomics_win32_if="MemoryBarrier"
1895 atomics_native_if_any="$ATOMICS_LIST"
1896 w32threads_deps="atomics_native"
1897 threads_if_any="$THREADS_LIST"
1898
1899 # subsystems
1900 dct_select="rdft"
1901 dirac_parse_select="golomb"
1902 error_resilience_select="me_cmp"
1903 faandct_deps="faan fdctdsp"
1904 faanidct_deps="faan idctdsp"
1905 h264dsp_select="startcode"
1906 intrax8_select="blockdsp idctdsp"
1907 mdct_select="fft"
1908 rdft_select="fft"
1909 me_cmp_select="fdctdsp idctdsp pixblockdsp"
1910 mpeg_er_select="error_resilience"
1911 mpegaudio_select="mpegaudiodsp"
1912 mpegaudiodsp_select="dct"
1913 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp mpeg_er videodsp"
1914 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
1915 vc1dsp_select="h264chroma qpeldsp startcode"
1916
1917 # decoders / encoders
1918 aac_decoder_select="imdct15 mdct sinewin"
1919 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
1920 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1921 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
1922 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1923 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
1924 adpcm_g722_decoder_select="g722dsp"
1925 adpcm_g722_encoder_select="g722dsp"
1926 aic_decoder_select="golomb idctdsp"
1927 alac_encoder_select="lpc"
1928 als_decoder_select="bswapdsp"
1929 amrnb_decoder_select="lsp"
1930 amrwb_decoder_select="lsp"
1931 amv_decoder_select="sp5x_decoder"
1932 ape_decoder_select="bswapdsp"
1933 asv1_decoder_select="blockdsp bswapdsp idctdsp"
1934 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
1935 asv2_decoder_select="blockdsp bswapdsp idctdsp"
1936 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
1937 atrac1_decoder_select="mdct sinewin"
1938 atrac3_decoder_select="mdct"
1939 atrac3p_decoder_select="mdct sinewin"
1940 bink_decoder_select="blockdsp hpeldsp"
1941 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
1942 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
1943 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
1944 cllc_decoder_select="bswapdsp"
1945 comfortnoise_encoder_select="lpc"
1946 cook_decoder_select="audiodsp mdct sinewin"
1947 cscd_decoder_select="lzo"
1948 cscd_decoder_suggest="zlib"
1949 dca_decoder_select="fmtconvert mdct"
1950 dds_decoder_select="texturedsp"
1951 dnxhd_decoder_select="blockdsp idctdsp"
1952 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
1953 dvvideo_decoder_select="dvprofile idctdsp"
1954 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
1955 dxa_decoder_deps="zlib"
1956 dxv_decoder_select="lzf texturedsp"
1957 eac3_decoder_select="ac3_decoder"
1958 eac3_encoder_select="ac3_encoder"
1959 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
1960 eatgq_decoder_select="aandcttables idctdsp"
1961 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
1962 exr_decoder_deps="zlib"
1963 ffv1_decoder_select="golomb rangecoder"
1964 ffv1_encoder_select="rangecoder"
1965 ffvhuff_decoder_select="huffyuv_decoder"
1966 ffvhuff_encoder_select="huffyuv_encoder"
1967 fic_decoder_select="golomb"
1968 flac_decoder_select="flacdsp golomb"
1969 flac_encoder_select="bswapdsp flacdsp golomb lpc"
1970 flashsv_decoder_deps="zlib"
1971 flashsv_encoder_deps="zlib"
1972 flashsv2_decoder_deps="zlib"
1973 flv_decoder_select="h263_decoder"
1974 flv_encoder_select="h263_encoder"
1975 fourxm_decoder_select="blockdsp bswapdsp"
1976 fraps_decoder_select="bswapdsp huffman"
1977 g2m_decoder_deps="zlib"
1978 g2m_decoder_select="blockdsp idctdsp jpegtables"
1979 h261_decoder_select="mpeg_er mpegvideo"
1980 h261_encoder_select="aandcttables mpegvideoenc"
1981 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
1982 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1983 h263i_decoder_select="h263_decoder"
1984 h263p_encoder_select="h263_encoder"
1985 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
1986 h264_decoder_suggest="error_resilience"
1987 hap_decoder_select="snappy texturedsp"
1988 hap_encoder_deps="libsnappy"
1989 hap_encoder_select="texturedspenc"
1990 hevc_decoder_select="bswapdsp cabac golomb videodsp"
1991 huffyuv_decoder_select="bswapdsp huffyuvdsp"
1992 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
1993 iac_decoder_select="imc_decoder"
1994 imc_decoder_select="bswapdsp fft mdct sinewin"
1995 indeo3_decoder_select="hpeldsp"
1996 indeo4_decoder_select="ividsp"
1997 indeo5_decoder_select="ividsp"
1998 interplay_video_decoder_select="hpeldsp"
1999 jpegls_decoder_select="golomb mjpeg_decoder"
2000 jpegls_encoder_select="golomb"
2001 jv_decoder_select="blockdsp"
2002 lagarith_decoder_select="huffyuvdsp"
2003 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2004 loco_decoder_select="golomb"
2005 magicyuv_decoder_select="huffyuvdsp"
2006 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2007 metasound_decoder_select="lsp mdct sinewin"
2008 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2009 mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
2010 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2011 mjpegb_decoder_select="mjpeg_decoder"
2012 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2013 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2014 mlp_decoder_select="mlp_parser"
2015 motionpixels_decoder_select="bswapdsp"
2016 mp1_decoder_select="mpegaudio"
2017 mp1float_decoder_select="mpegaudio"
2018 mp2_decoder_select="mpegaudio"
2019 mp2float_decoder_select="mpegaudio"
2020 mp3_decoder_select="mpegaudio"
2021 mp3adu_decoder_select="mpegaudio"
2022 mp3adufloat_decoder_select="mpegaudio"
2023 mp3float_decoder_select="mpegaudio"
2024 mp3on4_decoder_select="mpegaudio"
2025 mp3on4float_decoder_select="mpegaudio"
2026 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2027 mpc8_decoder_select="mpegaudiodsp"
2028 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2029 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2030 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2031 mpeg1video_encoder_select="aandcttables mpegvideoenc"
2032 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2033 mpeg2video_encoder_select="aandcttables mpegvideoenc"
2034 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2035 mpeg4_encoder_select="h263_encoder"
2036 msa1_decoder_select="mss34dsp"
2037 msmpeg4v1_decoder_select="h263_decoder"
2038 msmpeg4v2_decoder_select="h263_decoder"
2039 msmpeg4v2_encoder_select="h263_encoder"
2040 msmpeg4v3_decoder_select="h263_decoder"
2041 msmpeg4v3_encoder_select="h263_encoder"
2042 mss2_decoder_select="error_resilience mpeg_er mpegvideo vc1_decoder"
2043 mts2_decoder_select="mss34dsp"
2044 mxpeg_decoder_select="mjpeg_decoder"
2045 nellymoser_decoder_select="mdct sinewin"
2046 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2047 nuv_decoder_select="idctdsp lzo"
2048 on2avc_decoder_select="mdct"
2049 opus_decoder_deps="avresample"
2050 opus_decoder_select="imdct15"
2051 png_decoder_deps="zlib"
2052 png_encoder_deps="zlib"
2053 png_encoder_select="huffyuvencdsp"
2054 prores_decoder_select="idctdsp"
2055 prores_encoder_select="fdctdsp"
2056 qcelp_decoder_select="lsp"
2057 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2058 ra_144_encoder_select="audio_frame_queue lpc"
2059 ralf_decoder_select="golomb"
2060 rscc_decoder_deps="zlib"
2061 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2062 rv10_encoder_select="h263_encoder"
2063 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2064 rv20_encoder_select="h263_encoder"
2065 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2066 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2067 screenpresso_decoder_deps="zlib"
2068 shorten_decoder_select="golomb"
2069 sipr_decoder_select="lsp"
2070 sp5x_decoder_select="mjpeg_decoder"
2071 svq1_decoder_select="hpeldsp"
2072 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2073 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2074 svq3_decoder_suggest="zlib"
2075 tak_decoder_select="audiodsp"
2076 tdsc_decoder_deps="zlib"
2077 tdsc_decoder_select="mjpeg_decoder"
2078 theora_decoder_select="vp3_decoder"
2079 thp_decoder_select="mjpeg_decoder"
2080 tiff_decoder_suggest="zlib"
2081 tiff_encoder_suggest="zlib"
2082 truehd_decoder_select="mlp_decoder"
2083 truemotion2_decoder_select="bswapdsp"
2084 truespeech_decoder_select="bswapdsp"
2085 tscc_decoder_deps="zlib"
2086 txd_decoder_select="texturedsp"
2087 twinvq_decoder_select="mdct lsp sinewin"
2088 utvideo_decoder_select="bswapdsp"
2089 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2090 vble_decoder_select="huffyuvdsp"
2091 vc1_decoder_select="blockdsp error_resilience h263_decoder h264qpel intrax8 mpeg_er mpegvideo vc1dsp"
2092 vc1image_decoder_select="vc1_decoder"
2093 vorbis_decoder_select="mdct"
2094 vorbis_encoder_select="mdct"
2095 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2096 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2097 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2098 vp6a_decoder_select="vp6_decoder"
2099 vp6f_decoder_select="vp6_decoder"
2100 vp7_decoder_select="h264pred videodsp vp8dsp"
2101 vp8_decoder_select="h264pred videodsp vp8dsp"
2102 vp9_decoder_select="videodsp"
2103 webp_decoder_select="vp8_decoder"
2104 wmapro_decoder_select="mdct sinewin wma_freqs"
2105 wmav1_decoder_select="mdct sinewin wma_freqs"
2106 wmav1_encoder_select="mdct sinewin wma_freqs"
2107 wmav2_decoder_select="mdct sinewin wma_freqs"
2108 wmav2_encoder_select="mdct sinewin wma_freqs"
2109 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2110 wmv1_decoder_select="h263_decoder"
2111 wmv1_encoder_select="h263_encoder"
2112 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2113 wmv2_encoder_select="h263_encoder wmv2dsp"
2114 wmv3_decoder_select="vc1_decoder"
2115 wmv3image_decoder_select="wmv3_decoder"
2116 zerocodec_decoder_deps="zlib"
2117 zlib_decoder_deps="zlib"
2118 zlib_encoder_deps="zlib"
2119 zmbv_decoder_deps="zlib"
2120 zmbv_encoder_deps="zlib"
2121
2122 # hardware accelerators
2123 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2124 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2125 vaapi_deps="va_va_h"
2126 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2127 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2128 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2129
2130 h263_vaapi_hwaccel_deps="vaapi"
2131 h263_vaapi_hwaccel_select="h263_decoder"
2132 h264_d3d11va_hwaccel_deps="d3d11va"
2133 h264_d3d11va_hwaccel_select="h264_decoder"
2134 h264_dxva2_hwaccel_deps="dxva2"
2135 h264_dxva2_hwaccel_select="h264_decoder"
2136 h264_mmal_decoder_deps="mmal"
2137 h264_mmal_decoder_select="mmal"
2138 h264_mmal_hwaccel_deps="mmal"
2139 h264_omx_encoder_deps="omx"
2140 h264_qsv_hwaccel_deps="libmfx"
2141 h264_vaapi_hwaccel_deps="vaapi"
2142 h264_vaapi_hwaccel_select="h264_decoder"
2143 h264_vda_hwaccel_deps="vda"
2144 h264_vda_hwaccel_select="h264_decoder"
2145 h264_vda_old_hwaccel_deps="vda"
2146 h264_vda_old_hwaccel_select="h264_decoder"
2147 h264_vdpau_hwaccel_deps="vdpau"
2148 h264_vdpau_hwaccel_select="h264_decoder"
2149 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2150 hevc_d3d11va_hwaccel_select="hevc_decoder"
2151 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2152 hevc_dxva2_hwaccel_select="hevc_decoder"
2153 hevc_qsv_hwaccel_deps="libmfx"
2154 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2155 hevc_vdpau_hwaccel_select="hevc_decoder"
2156 mpeg1_vdpau_hwaccel_deps="vdpau"
2157 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2158 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2159 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2160 mpeg2_dxva2_hwaccel_deps="dxva2"
2161 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2162 mpeg2_mmal_decoder_deps="mmal"
2163 mpeg2_mmal_decoder_select="mmal"
2164 mpeg2_mmal_hwaccel_deps="mmal"
2165 mpeg2_qsv_hwaccel_deps="libmfx"
2166 mpeg2_vaapi_hwaccel_deps="vaapi"
2167 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2168 mpeg2_vdpau_hwaccel_deps="vdpau"
2169 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2170 mpeg4_omx_encoder_deps="omx"
2171 mpeg4_vaapi_hwaccel_deps="vaapi"
2172 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2173 mpeg4_vdpau_hwaccel_deps="vdpau"
2174 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2175 vc1_d3d11va_hwaccel_deps="d3d11va"
2176 vc1_d3d11va_hwaccel_select="vc1_decoder"
2177 vc1_dxva2_hwaccel_deps="dxva2"
2178 vc1_dxva2_hwaccel_select="vc1_decoder"
2179 vc1_mmal_decoder_deps="mmal"
2180 vc1_mmal_decoder_select="mmal"
2181 vc1_mmal_hwaccel_deps="mmal"
2182 vc1_vaapi_hwaccel_deps="vaapi"
2183 vc1_vaapi_hwaccel_select="vc1_decoder"
2184 vc1_vdpau_hwaccel_deps="vdpau"
2185 vc1_vdpau_hwaccel_select="vc1_decoder"
2186 vp8_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferVP8"
2187 vp8_vaapi_hwaccel_select="vp8_decoder"
2188 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2189 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2190 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2191 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2192
2193 # hardware-accelerated codecs
2194 nvenc_deps_any="dlopen LoadLibrary"
2195 nvenc_extralibs='$ldl'
2196 omx_deps="dlopen pthreads"
2197 omx_extralibs='$ldl'
2198 qsvdec_select="qsv"
2199 qsvenc_select="qsv"
2200 vaapi_encode_deps="vaapi"
2201
2202 hwupload_cuda_filter_deps="cuda"
2203 scale_npp_filter_deps="cuda libnpp"
2204
2205 h264_nvenc_encoder_deps="nvenc"
2206 h264_qsv_decoder_deps="libmfx"
2207 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2208 h264_qsv_encoder_deps="libmfx"
2209 h264_qsv_encoder_select="qsvenc"
2210 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2211 h264_vaapi_encoder_select="vaapi_encode golomb"
2212
2213 hevc_nvenc_encoder_deps="nvenc"
2214 hevc_qsv_decoder_deps="libmfx"
2215 hevc_qsv_encoder_deps="libmfx"
2216 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser hevc_qsv_hwaccel qsvdec"
2217 hevc_qsv_encoder_select="qsvenc"
2218 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2219 hevc_vaapi_encoder_select="vaapi_encode golomb"
2220 mpeg2_qsv_decoder_deps="libmfx"
2221 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel mpegvideo_parser"
2222 mpeg2_qsv_encoder_deps="libmfx"
2223 mpeg2_qsv_encoder_select="qsvenc"
2224
2225 nvenc_h264_encoder_deps="nvenc"
2226 nvenc_hevc_encoder_deps="nvenc"
2227
2228 # parsers
2229 h264_parser_select="golomb h264dsp h264parse"
2230 hevc_parser_select="golomb"
2231 mpegvideo_parser_select="mpegvideo"
2232 mpeg4video_parser_select="error_resilience h263dsp mpegvideo qpeldsp"
2233 vc1_parser_select="vc1dsp"
2234
2235 # bitstream_filters
2236 mjpeg2jpeg_bsf_select="jpegtables"
2237
2238 # external libraries
2239 libdcadec_decoder_deps="libdcadec"
2240 libfaac_encoder_deps="libfaac"
2241 libfaac_encoder_select="audio_frame_queue"
2242 libfdk_aac_decoder_deps="libfdk_aac"
2243 libfdk_aac_encoder_deps="libfdk_aac"
2244 libfdk_aac_encoder_select="audio_frame_queue"
2245 libgsm_decoder_deps="libgsm"
2246 libgsm_encoder_deps="libgsm"
2247 libgsm_ms_decoder_deps="libgsm"
2248 libgsm_ms_encoder_deps="libgsm"
2249 libilbc_decoder_deps="libilbc"
2250 libilbc_encoder_deps="libilbc"
2251 libkvazaar_encoder_deps="libkvazaar"
2252 libmp3lame_encoder_deps="libmp3lame"
2253 libmp3lame_encoder_select="audio_frame_queue"
2254 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2255 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2256 libopencore_amrnb_encoder_select="audio_frame_queue"
2257 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2258 libopenh264_decoder_deps="libopenh264"
2259 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2260 libopenh264_encoder_deps="libopenh264"
2261 libopenjpeg_decoder_deps="libopenjpeg"
2262 libopenjpeg_encoder_deps="libopenjpeg"
2263 libopus_decoder_deps="libopus"
2264 libopus_encoder_deps="libopus"
2265 libopus_encoder_select="audio_frame_queue"
2266 libschroedinger_decoder_deps="libschroedinger"
2267 libschroedinger_encoder_deps="libschroedinger"
2268 libspeex_decoder_deps="libspeex"
2269 libspeex_encoder_deps="libspeex"
2270 libspeex_encoder_select="audio_frame_queue"
2271 libtheora_encoder_deps="libtheora"
2272 libtwolame_encoder_deps="libtwolame"
2273 libvo_aacenc_encoder_deps="libvo_aacenc"
2274 libvo_aacenc_encoder_select="audio_frame_queue"
2275 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2276 libvorbis_encoder_deps="libvorbis"
2277 libvorbis_encoder_select="audio_frame_queue"
2278 libvpx_vp8_decoder_deps="libvpx"
2279 libvpx_vp8_encoder_deps="libvpx"
2280 libvpx_vp9_decoder_deps="libvpx"
2281 libvpx_vp9_encoder_deps="libvpx"
2282 libwavpack_encoder_deps="libwavpack"
2283 libwebp_encoder_deps="libwebp"
2284 libx262_encoder_deps="libx262"
2285 libx264_encoder_deps="libx264"
2286 libx265_encoder_deps="libx265"
2287 libxavs_encoder_deps="libxavs"
2288 libxvid_encoder_deps="libxvid"
2289
2290 # demuxers / muxers
2291 ac3_demuxer_select="ac3_parser"
2292 asf_demuxer_select="riffdec"
2293 asf_muxer_select="riffenc"
2294 asf_stream_muxer_select="asf_muxer"
2295 avi_demuxer_select="iso_media riffdec"
2296 avi_muxer_select="riffenc"
2297 avisynth_demuxer_deps="avisynth"
2298 avisynth_demuxer_select="riffdec"
2299 caf_demuxer_select="iso_media riffdec"
2300 dash_muxer_select="mp4_muxer"
2301 dirac_demuxer_select="dirac_parser"
2302 dv_demuxer_select="dvprofile"
2303 dv_muxer_select="dvprofile"
2304 dxa_demuxer_select="riffdec"
2305 eac3_demuxer_select="ac3_parser"
2306 f4v_muxer_select="mov_muxer"
2307 flac_demuxer_select="flac_parser"
2308 hds_muxer_select="flv_muxer"
2309 hls_muxer_select="mpegts_muxer"
2310 ipod_muxer_select="mov_muxer"
2311 ismv_muxer_select="mov_muxer"
2312 matroska_audio_muxer_select="matroska_muxer"
2313 matroska_demuxer_select="iso_media riffdec"
2314 matroska_demuxer_suggest="bzlib lzo zlib"
2315 matroska_muxer_select="iso_media riffenc"
2316 mmf_muxer_select="riffenc"
2317 mov_demuxer_select="iso_media riffdec"
2318 mov_demuxer_suggest="zlib"
2319 mov_muxer_select="iso_media riffenc rtpenc_chain"
2320 mp3_demuxer_select="mpegaudio_parser"
2321 mp4_muxer_select="mov_muxer"
2322 mpegts_demuxer_select="iso_media"
2323 mpegts_muxer_select="adts_muxer latm_muxer"
2324 mpegtsraw_demuxer_select="mpegts_demuxer"
2325 mxf_d10_muxer_select="mxf_muxer"
2326 nut_muxer_select="riffenc"
2327 nuv_demuxer_select="riffdec"
2328 oga_muxer_select="ogg_muxer"
2329 ogg_demuxer_select="dirac_parse"
2330 opus_muxer_select="ogg_muxer"
2331 psp_muxer_select="mov_muxer"
2332 rtp_demuxer_select="sdp_demuxer"
2333 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
2334 rtsp_demuxer_select="http_protocol rtpdec"
2335 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2336 sap_demuxer_select="sdp_demuxer"
2337 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2338 sdp_demuxer_select="rtpdec"
2339 smoothstreaming_muxer_select="ismv_muxer"
2340 spdif_muxer_select="aac_parser"
2341 spx_muxer_select="ogg_muxer"
2342 swf_demuxer_suggest="zlib"
2343 tak_demuxer_select="tak_parser"
2344 tg2_muxer_select="mov_muxer"
2345 tgp_muxer_select="mov_muxer"
2346 w64_demuxer_select="wav_demuxer"
2347 wav_demuxer_select="riffdec"
2348 wav_muxer_select="riffenc"
2349 webm_muxer_select="iso_media riffenc"
2350 webm_muxer_suggest="libopus_encoder libvorbis_encoder libvpx_vp8_encoder libvpx_vp9_encoder"
2351 wtv_demuxer_select="mpegts_demuxer riffdec"
2352 xmv_demuxer_select="riffdec"
2353 xwma_demuxer_select="riffdec"
2354
2355 # indevs / outdevs
2356 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2357 alsa_outdev_deps="alsa_asoundlib_h"
2358 avfoundation_indev_deps="AVFoundation_AVFoundation_h"
2359 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2360 dv1394_indev_deps="dv1394"
2361 dv1394_indev_select="dv_demuxer"
2362 fbdev_indev_deps="linux_fb_h"
2363 jack_indev_deps="jack_jack_h"
2364 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
2365 libcdio_indev_deps="libcdio"
2366 libdc1394_indev_deps="libdc1394"
2367 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2368 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2369 pulse_indev_deps="libpulse"
2370 sndio_indev_deps="sndio_h"
2371 sndio_outdev_deps="sndio_h"
2372 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2373 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2374 vfwcap_indev_extralibs="-lavicap32"
2375 xcbgrab_indev_deps="libxcb"
2376
2377 # protocols
2378 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2379 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2380 ffrtmpcrypt_protocol_select="tcp_protocol"
2381 ffrtmphttp_protocol_deps="!librtmp_protocol"
2382 ffrtmphttp_protocol_select="http_protocol"
2383 gopher_protocol_select="network"
2384 http_protocol_select="tcp_protocol"
2385 httpproxy_protocol_select="tcp_protocol"
2386 https_protocol_select="tls_protocol"
2387 icecast_protocol_select="http_protocol"
2388 librtmp_protocol_deps="librtmp"
2389 librtmpe_protocol_deps="librtmp"
2390 librtmps_protocol_deps="librtmp"
2391 librtmpt_protocol_deps="librtmp"
2392 librtmpte_protocol_deps="librtmp"
2393 mmsh_protocol_select="http_protocol"
2394 mmst_protocol_select="network"
2395 rtmp_protocol_deps="!librtmp_protocol"
2396 rtmp_protocol_select="tcp_protocol"
2397 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2398 rtmps_protocol_deps="!librtmp_protocol"
2399 rtmps_protocol_select="tls_protocol"
2400 rtmpt_protocol_select="ffrtmphttp_protocol"
2401 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2402 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2403 rtp_protocol_select="udp_protocol"
2404 sctp_protocol_deps="struct_sctp_event_subscribe"
2405 sctp_protocol_select="network"
2406 srtp_protocol_select="rtp_protocol srtp"
2407 tcp_protocol_select="network"
2408 tls_gnutls_protocol_deps="gnutls"
2409 tls_gnutls_protocol_select="tcp_protocol"
2410 tls_openssl_protocol_deps="openssl !tls_gnutls_protocol"
2411 tls_openssl_protocol_select="tcp_protocol"
2412 tls_protocol_deps_any="tls_gnutls_protocol tls_openssl_protocol"
2413 udp_protocol_select="network"
2414 unix_protocol_deps="sys_un_h"
2415 unix_protocol_select="network"
2416
2417 # filters
2418 blackframe_filter_deps="gpl"
2419 boxblur_filter_deps="gpl"
2420 bs2b_filter_deps="libbs2b"
2421 cropdetect_filter_deps="gpl"
2422 deinterlace_qsv_filter_deps="libmfx"
2423 delogo_filter_deps="gpl"
2424 drawtext_filter_deps="libfreetype"
2425 frei0r_filter_deps="frei0r dlopen"
2426 frei0r_filter_extralibs='$ldl'
2427 frei0r_src_filter_deps="frei0r dlopen"
2428 frei0r_src_filter_extralibs='$ldl'
2429 hdcd_filter_deps="libhdcd"
2430 hqdn3d_filter_deps="gpl"
2431 interlace_filter_deps="gpl"
2432 ocv_filter_deps="libopencv"
2433 resample_filter_deps="avresample"
2434 scale_filter_deps="swscale"
2435 scale_qsv_filter_deps="libmfx"
2436 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
2437
2438 # examples
2439 avcodec_example_deps="avcodec avutil"
2440 decode_audio_example_deps="avcodec avutil"
2441 encode_audio_example_deps="avcodec avutil"
2442 filter_audio_example_deps="avfilter avutil"
2443 metadata_example_deps="avformat avutil"
2444 output_example_deps="avcodec avformat avutil swscale"
2445 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2446 transcode_aac_example_deps="avcodec avformat avresample"
2447
2448 # libraries, in linking order
2449 avcodec_deps="avutil"
2450 avdevice_deps="avformat avcodec avutil"
2451 avfilter_deps="avutil"
2452 avformat_deps="avcodec avutil"
2453 avresample_deps="avutil"
2454 swscale_deps="avutil"
2455
2456 # programs
2457 avconv_deps="avcodec avfilter avformat avresample swscale"
2458 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2459 fps_filter null_filter resample_filter scale_filter
2460 trim_filter"
2461 avplay_deps="avcodec avfilter avformat avresample sdl"
2462 avplay_libs='$sdl_libs'
2463 avplay_select="rdft format_filter transpose_filter hflip_filter vflip_filter"
2464 avprobe_deps="avcodec avformat"
2465
2466 # documentation
2467 pod2man_deps="doc"
2468 texi2html_deps="doc"
2469
2470 # default parameters
2471
2472 logfile="config.log"
2473
2474 # installation paths
2475 prefix_default="/usr/local"
2476 bindir_default='${prefix}/bin'
2477 datadir_default='${prefix}/share/avconv'
2478 docdir_default='${prefix}/share/doc/libav'
2479 incdir_default='${prefix}/include'
2480 libdir_default='${prefix}/lib'
2481 mandir_default='${prefix}/share/man'
2482 shlibdir_default="$libdir_default"
2483
2484 # toolchain
2485 ar_default="ar"
2486 cc_default="gcc"
2487 host_cc_default="gcc"
2488 cp_f="cp -f"
2489 ln_s="ln -s -f"
2490 nm_default="nm -g"
2491 objformat="elf"
2492 pkg_config_default=pkg-config
2493 ranlib="ranlib"
2494 strip="strip"
2495 version_script='--version-script'
2496 yasmexe="yasm"
2497
2498 # machine
2499 arch_default=$(uname -m)
2500 cpu="generic"
2501 intrinsics="none"
2502
2503 # OS
2504 target_os_default=$(tolower $(uname -s))
2505 host_os=$target_os_default
2506
2507 # configurable options
2508 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2509
2510 enable asm
2511 enable debug
2512 enable doc
2513 enable faan faandct faanidct
2514 enable optimizations
2515 enable safe_bitstream_reader
2516 enable static
2517 enable swscale_alpha
2518 enable valgrind_backtrace
2519
2520 # By default, enable only those hwaccels that have no external dependencies.
2521 enable d3d11va dxva2 vda vdpau
2522
2523 # build settings
2524 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2525 LIBPREF="lib"
2526 LIBSUF=".a"
2527 FULLNAME='$(NAME)$(BUILDSUF)'
2528 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2529 SLIBPREF="lib"
2530 SLIBSUF=".so"
2531 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2532 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2533 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2534 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2535 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2536 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2537 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
2538
2539 asflags_filter=echo
2540 cflags_filter=echo
2541 ldflags_filter=echo
2542
2543 AS_C='-c'
2544 AS_O='-o $@'
2545 CC_C='-c'
2546 CC_E='-E -o $@'
2547 CC_O='-o $@'
2548 OBJCC_C='-c'
2549 OBJCC_E='-E -o $@'
2550 OBJCC_O='-o $@'
2551 LD_O='-o $@'
2552 LD_LIB='-l%'
2553 LD_PATH='-L'
2554 HOSTCC_C='-c'
2555 HOSTCC_E='-E -o $@'
2556 HOSTCC_O='-o $@'
2557 HOSTLD_O='-o $@'
2558
2559 host_libs='-lm'
2560 host_cflags_filter=echo
2561 host_ldflags_filter=echo
2562
2563 target_path='$(CURDIR)'
2564
2565 # since the object filename is not given with the -MM flag, the compiler
2566 # is only able to print the basename, and we must add the path ourselves
2567 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2568 DEPFLAGS='-MM'
2569
2570 # find source path
2571 if test -f configure; then
2572 source_path=.
2573 else
2574 source_path=$(cd $(dirname "$0"); pwd)
2575 echo "$source_path" | grep -q '[[:blank:]]' &&
2576 die "Out of tree builds are impossible with whitespace in source path."
2577 test -e "$source_path/config.h" &&
2578 die "Out of tree builds are impossible with config.h in source dir."
2579 fi
2580
2581 for v in "$@"; do
2582 r=${v#*=}
2583 l=${v%"$r"}
2584 r=$(sh_quote "$r")
2585 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2586 done
2587
2588 find_things(){
2589 thing=$1
2590 pattern=$2
2591 file=$source_path/$3
2592 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2593 }
2594
2595 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2596 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2597 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2598 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2599 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2600 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2601 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2602 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2603 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2604
2605 find_things_extern(){
2606 thing=$1
2607 pattern=$2
2608 file=$source_path/$3
2609 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
2610 }
2611
2612 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
2613 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
2614
2615 ALL_COMPONENTS="
2616 $BSF_LIST
2617 $DECODER_LIST
2618 $DEMUXER_LIST
2619 $ENCODER_LIST
2620 $FILTER_LIST
2621 $HWACCEL_LIST
2622 $INDEV_LIST
2623 $MUXER_LIST
2624 $OUTDEV_LIST
2625 $PARSER_LIST
2626 $PROTOCOL_LIST
2627 "
2628
2629 for n in $COMPONENT_LIST; do
2630 v=$(toupper ${n%s})_LIST
2631 eval enable \$$v
2632 eval ${n}_if_any="\$$v"
2633 done
2634
2635 enable $ARCH_EXT_LIST
2636
2637 die_unknown(){
2638 echo "Unknown option \"$1\"."
2639 echo "See $0 --help for available options."
2640 exit 1
2641 }
2642
2643 print_3_columns() {
2644 printf "%-25s %-25s %-25s\n" $(cat | tr ' ' '\n' | sort)
2645 }
2646
2647 show_list() {
2648 suffix=_$1
2649 shift
2650 echo $* | sed s/$suffix//g | print_3_columns
2651 exit 0
2652 }
2653
2654 rand_list(){
2655 IFS=', '
2656 set -- $*
2657 unset IFS
2658 for thing; do
2659 comp=${thing%:*}
2660 prob=${thing#$comp}
2661 prob=${prob#:}
2662 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2663 echo "prob ${prob:-0.5}"
2664 printf '%s\n' $comp
2665 done
2666 }
2667
2668 do_random(){
2669 action=$1
2670 shift
2671 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2672 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2673 }
2674
2675 for opt do
2676 optval="${opt#*=}"
2677 case "$opt" in
2678 --extra-ldflags=*)
2679 add_ldflags $optval
2680 ;;
2681 --extra-ldexeflags=*)
2682 add_ldexeflags $optval
2683 ;;
2684 --extra-libs=*)
2685 add_extralibs $optval
2686 ;;
2687 --disable-devices)
2688 disable $INDEV_LIST $OUTDEV_LIST
2689 ;;
2690 --enable-debug=*)
2691 debuglevel="$optval"
2692 ;;
2693 --disable-programs)
2694 disable $PROGRAM_LIST
2695 ;;
2696 --disable-everything)
2697 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2698 ;;
2699 --disable-all)
2700 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2701 disable $LIBRARY_LIST $PROGRAM_LIST doc
2702 ;;
2703 --enable-random|--disable-random)
2704 action=${opt%%-random}
2705 do_random ${action#--} $COMPONENT_LIST
2706 ;;
2707 --enable-random=*|--disable-random=*)
2708 action=${opt%%-random=*}
2709 do_random ${action#--} $optval
2710 ;;
2711 --enable-*=*|--disable-*=*)
2712 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2713 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2714 eval list=\$$(toupper $thing)_LIST
2715 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2716 $action $(filter "$name" $list)
2717 ;;
2718 --enable-avserver|--disable-avserver*)
2719 warn "avserver has been removed, the ${opt} option is only"\
2720 "provided for compatibility and will be removed in the future"
2721 ;;
2722 --enable-?*|--disable-?*)
2723 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2724 if is_in $option $COMPONENT_LIST; then
2725 test $action = disable && action=unset
2726 eval $action \$$(toupper ${option%s})_LIST
2727 elif is_in $option $CMDLINE_SELECT; then
2728 $action $option
2729 else
2730 die_unknown $opt
2731 fi
2732 ;;
2733 --list-*)
2734 NAME="${opt#--list-}"
2735 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2736 NAME=${NAME%s}
2737 eval show_list $NAME \$$(toupper $NAME)_LIST
2738 ;;
2739 --help|-h) show_help
2740 ;;
2741 *)
2742 optname="${opt%%=*}"
2743 optname="${optname#--}"
2744 optname=$(echo "$optname" | sed 's/-/_/g')
2745 if is_in $optname $CMDLINE_SET; then
2746 eval $optname='$optval'
2747 elif is_in $optname $CMDLINE_APPEND; then
2748 append $optname "$optval"
2749 else
2750 die_unknown $opt
2751 fi
2752 ;;
2753 esac
2754 done
2755
2756 for e in $env; do
2757 eval "export $e"
2758 done
2759
2760 disabled logging && logfile=/dev/null
2761
2762 # Disable all the library-specific components if the library itself
2763 # is disabled, see AVCODEC_LIST and following _LIST variables.
2764
2765 disable_components(){
2766 disabled ${1} && disable $(
2767 eval components="\$$(toupper ${1})_COMPONENTS"
2768 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
2769 )
2770 }
2771
2772 map 'disable_components $v' $LIBRARY_LIST
2773
2774 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2775 set >> $logfile
2776
2777 case "$toolchain" in
2778 *-asan)
2779 cc_default="${toolchain%-asan}"
2780 add_cflags -fsanitize=address
2781 add_ldflags -fsanitize=address
2782 ;;
2783 *-msan)
2784 cc_default="${toolchain%-msan}"
2785 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
2786 add_ldflags -fsanitize=memory
2787 ;;
2788 *-tsan)
2789 cc_default="${toolchain%-tsan}"
2790 add_cflags -fsanitize=thread -pie
2791 add_ldflags -fsanitize=thread -pie
2792 case "$toolchain" in
2793 gcc-tsan)
2794 add_cflags -fPIC
2795 add_ldflags -fPIC
2796 ;;
2797 esac
2798 ;;
2799 *-usan)
2800 cc_default="${toolchain%-usan}"
2801 add_cflags -fsanitize=undefined
2802 add_ldflags -fsanitize=undefined
2803 case "$toolchain" in
2804 clang-usan)
2805 add_cflags -O1
2806 ;;
2807 esac
2808 ;;
2809 valgrind-*)
2810 target_exec_default="valgrind"
2811 case "$toolchain" in
2812 valgrind-massif)
2813 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2814 ;;
2815 valgrind-memcheck)
2816 target_exec_args="--track-origins=yes --leak-check=full"
2817 ;;
2818 esac
2819 ;;
2820 msvc)
2821 # Check whether the current MSVC version needs the C99 converter.
2822 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2823 # support enough of C99 to build libav. Default to the new
2824 # behaviour if the regexp was unable to match anything, since this
2825 # successfully parses the version number of existing supported
2826 # versions that require the converter (MSVC 2010 and 2012).
2827 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2828 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2829 cc_default="cl"
2830 else
2831 cc_default="c99wrap cl"
2832 fi
2833 ld_default="$source_path/compat/windows/mslink"
2834 nm_default="dumpbin -symbols"
2835 ar_default="lib"
2836 case "$arch" in
2837 arm*)
2838 as_default="armasm"
2839 ;;
2840 esac
2841 target_os_default="win32"
2842 # Use a relative path for TMPDIR. This makes sure all the
2843 # ffconf temp files are written with a relative path, avoiding
2844 # issues with msys/win32 path conversion for MSVC parameters
2845 # such as -Fo<file> or -out:<file>.
2846 TMPDIR=.
2847 ;;
2848 icl)
2849 cc_default="icl"
2850 ld_default="xilink"
2851 nm_default="dumpbin -symbols"
2852 ar_default="xilib"
2853 target_os_default="win32"
2854 TMPDIR=.
2855 ;;
2856 gcov)
2857 add_cflags -fprofile-arcs -ftest-coverage
2858 add_ldflags -fprofile-arcs -ftest-coverage
2859 ;;
2860 llvm-cov)
2861 add_cflags -fprofile-arcs -ftest-coverage
2862 add_ldflags --coverage
2863 ;;
2864 hardened)
2865 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
2866 add_cflags -fno-strict-overflow -fstack-protector-all
2867 add_ldflags -Wl,-z,relro -Wl,-z,now
2868 ;;
2869 ?*)
2870 die "Unknown toolchain $toolchain"
2871 ;;
2872 esac
2873
2874 test -n "$cross_prefix" && enable cross_compile
2875
2876 if enabled cross_compile; then
2877 test -n "$arch" && test -n "$target_os" ||
2878 die "Must specify target arch and OS when cross-compiling"
2879 fi
2880
2881 ar_default="${cross_prefix}${ar_default}"
2882 cc_default="${cross_prefix}${cc_default}"
2883 occ_default="${cross_prefix}${occ_default}"
2884 nm_default="${cross_prefix}${nm_default}"
2885 pkg_config_default="${cross_prefix}${pkg_config_default}"
2886 ranlib="${cross_prefix}${ranlib}"
2887 strip="${cross_prefix}${strip}"
2888
2889 sysinclude_default="${sysroot}/usr/include"
2890
2891 set_default arch cc pkg_config sysinclude target_exec target_os
2892 enabled cross_compile || host_cc_default=$cc
2893 set_default host_cc
2894
2895 if ! $pkg_config --version >/dev/null 2>&1; then
2896 warn "$pkg_config not found, library detection may fail."
2897 pkg_config=false
2898 fi
2899
2900 exesuf() {
2901 case $1 in
2902 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2903 esac
2904 }
2905
2906 EXESUF=$(exesuf $target_os)
2907 HOSTEXESUF=$(exesuf $host_os)
2908
2909 # set temporary file name
2910 : ${TMPDIR:=$TEMPDIR}
2911 : ${TMPDIR:=$TMP}
2912 : ${TMPDIR:=/tmp}
2913
2914 if ! check_cmd mktemp -u XXXXXX; then
2915 # simple replacement for missing mktemp
2916 # NOT SAFE FOR GENERAL USE
2917 mktemp(){
2918 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2919 }
2920 fi
2921
2922 tmpfile(){
2923 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2924 (set -C; exec > $tmp) 2>/dev/null ||
2925 die "Unable to create temporary file in $TMPDIR."
2926 append TMPFILES $tmp
2927 eval $1=$tmp
2928 }
2929
2930 trap 'rm -f -- $TMPFILES' EXIT
2931
2932 tmpfile TMPASM .asm
2933 tmpfile TMPC .c
2934 tmpfile TMPE $EXESUF
2935 tmpfile TMPH .h
2936 tmpfile TMPO .o
2937 tmpfile TMPS .S
2938 tmpfile TMPSH .sh
2939 tmpfile TMPV .ver
2940
2941 unset -f mktemp
2942
2943 chmod +x $TMPE
2944
2945 # make sure we can execute files in $TMPDIR
2946 cat > $TMPSH 2>> $logfile <<EOF
2947 #! /bin/sh
2948 EOF
2949 chmod +x $TMPSH >> $logfile 2>&1
2950 if ! $TMPSH >> $logfile 2>&1; then
2951 cat <<EOF
2952 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2953 variable to another directory and make sure that it is not mounted noexec.
2954 EOF
2955 die "Sanity test failed."
2956 fi
2957
2958 armasm_flags(){
2959 for flag; do
2960 case $flag in
2961 # Filter out MSVC cl.exe options from cflags that shouldn't
2962 # be passed to gas-preprocessor
2963 -M[TD]*) ;;
2964 *) echo $flag ;;
2965 esac
2966 done
2967 }
2968
2969 ccc_flags(){
2970 for flag; do
2971 case $flag in
2972 -std=c99) echo -c99 ;;
2973 -mcpu=*) echo -arch ${flag#*=} ;;
2974 -mieee) echo -ieee ;;
2975 -O*|-fast) echo $flag ;;
2976 -fno-math-errno) echo -assume nomath_errno ;;
2977 -g) echo -g3 ;;
2978 -Wall) echo -msg_enable level2 ;;
2979 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2980 -Wl,*) echo $flag ;;
2981 -f*|-W*) ;;
2982 *) echo $flag ;;
2983 esac
2984 done
2985 }
2986
2987 cparser_flags(){
2988 for flag; do
2989 case $flag in
2990 -Wno-switch) echo -Wno-switch-enum ;;
2991 -Wno-format-zero-length) ;;
2992 -Wdisabled-optimization) ;;
2993 -Wno-pointer-sign) echo -Wno-other ;;
2994 *) echo $flag ;;
2995 esac
2996 done
2997 }
2998
2999 msvc_common_flags(){
3000 for flag; do
3001 case $flag in
3002 # In addition to specifying certain flags under the compiler
3003 # specific filters, they must be specified here as well or else the
3004 # generic catch all at the bottom will print the original flag.
3005 -Wall) ;;
3006 -std=c99) ;;
3007 # Common flags
3008 -fomit-frame-pointer) ;;
3009 -g) echo -Z7 ;;
3010 -fno-math-errno) ;;
3011 -fno-common) ;;
3012 -fno-signed-zeros) ;;
3013 -fPIC) ;;
3014 -mthumb) ;;
3015 -march=*) ;;
3016 -lz) echo zlib.lib ;;
3017 -lavifil32) echo vfw32.lib ;;
3018 -lavicap32) echo vfw32.lib user32.lib ;;
3019 -lx264) echo libx264.lib ;;
3020 -l*) echo ${flag#-l}.lib ;;
3021 -L*) echo -libpath:${flag#-L} ;;
3022 *) echo $flag ;;
3023 esac
3024 done
3025 }
3026
3027 msvc_flags(){
3028 msvc_common_flags "$@"
3029 for flag; do
3030 case $flag in
3031 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3032 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3033 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3034 -wd4273 -wd4554 -wd4701 ;;
3035 esac
3036 done
3037 }
3038
3039 icl_flags(){
3040 msvc_common_flags "$@"
3041 for flag; do
3042 case $flag in
3043 # Despite what Intel's documentation says -Wall, which is supported
3044 # on Windows, does enable remarks so disable them here.
3045 -Wall) echo $flag -Qdiag-disable:remark ;;
3046 -std=c99) echo -Qstd=c99 ;;
3047 esac
3048 done
3049 }
3050
3051 pgi_flags(){
3052 for flag; do
3053 case $flag in
3054 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3055 -fomit-frame-pointer) echo -Mnoframe ;;
3056 -g) echo -gopt ;;
3057 *) echo $flag ;;
3058 esac
3059 done
3060 }
3061
3062 suncc_flags(){
3063 for flag; do
3064 case $flag in
3065 -march=*|-mcpu=*)
3066 case "${flag#*=}" in
3067 native) echo -xtarget=native ;;
3068 v9|niagara) echo -xarch=sparc ;;
3069 ultrasparc) echo -xarch=sparcvis ;;
3070 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3071 i586|pentium) echo -xchip=pentium ;;
3072 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3073 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3074 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3075 pentium4*) echo -xtarget=pentium4 ;;
3076 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3077 *-sse3) echo -xarch=sse3 ;;
3078 core2) echo -xarch=ssse3 -xchip=core2 ;;
3079 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
3080 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
3081 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
3082 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3083 k8|opteron|athlon64|athlon-fx)
3084 echo -xarch=sse2a ;;
3085 athlon*) echo -xarch=pentium_proa ;;
3086 esac
3087 ;;
3088 -std=c99) echo -xc99 ;;
3089 -fomit-frame-pointer) echo -xregs=frameptr ;;
3090 -fPIC) echo -KPIC -xcode=pic32 ;;
3091 -W*,*) echo $flag ;;
3092 -f*-*|-W*|-mimpure-text) ;;
3093 -shared) echo -G ;;
3094 *) echo $flag ;;
3095 esac
3096 done
3097 }
3098
3099 tms470_flags(){
3100 for flag; do
3101 case $flag in
3102 -march=*|-mcpu=*)
3103 case "${flag#*=}" in
3104 armv7-a|cortex-a*) echo -mv=7a8 ;;
3105 armv7-r|cortex-r*) echo -mv=7r4 ;;
3106 armv7-m|cortex-m*) echo -mv=7m3 ;;
3107 armv6*|arm11*) echo -mv=6 ;;
3108 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3109 echo -mv=5e ;;
3110 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3111 esac
3112 ;;
3113 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3114 -mfpu=vfp) echo --float_support=vfpv2 ;;
3115 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3116 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3117 -msoft-float) echo --float_support=vfplib ;;
3118 -O[0-3]|-mf=*) echo $flag ;;
3119 -g) echo -g -mn ;;
3120 -pds=*) echo $flag ;;
3121 -D*|-I*) echo $flag ;;
3122 --gcc|--abi=*) echo $flag ;;
3123 -me) echo $flag ;;
3124 esac
3125 done
3126 }
3127
3128 probe_cc(){
3129 pfx=$1
3130 _cc=$2
3131
3132 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3133 unset _ld_o _ldflags _ld_lib _ld_path
3134 unset _depflags _DEPCMD _DEPFLAGS
3135 _flags_filter=echo
3136
3137 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3138 _type=llvm_gcc
3139 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3140 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3141 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3142 _cflags_speed='-O3'
3143 _cflags_size='-Os'
3144 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3145 _type=gcc
3146 gcc_version=$($_cc --version | head -n1)
3147 gcc_basever=$($_cc -dumpversion)
3148 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3149 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3150 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3151 if ! $_cc -dumpversion | grep -q '^2\.'; then
3152 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3153 fi
3154 _cflags_speed='-O3'
3155 _cflags_size='-Os'
3156 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3157 _type=icc
3158 _ident=$($_cc --version | head -n1)
3159 _depflags='-MMD'
3160 _cflags_speed='-O3'
3161 _cflags_size='-Os'
3162 _cflags_noopt='-O1'
3163 elif $_cc -v 2>&1 | grep -q xlc; then
3164 _type=xlc
3165 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3166 _cflags_speed='-O5'
3167 _cflags_size='-O5 -qcompact'
3168 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3169 _type=ccc
3170 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3171 _DEPFLAGS='-M'
3172 _cflags_speed='-fast'
3173 _cflags_size='-O1'
3174 _flags_filter=ccc_flags
3175 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3176 test -d "$sysroot" || die "No valid sysroot specified."
3177 _type=armcc
3178 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3179 armcc_conf="$PWD/armcc.conf"
3180 $_cc --arm_linux_configure \
3181 --arm_linux_config_file="$armcc_conf" \
3182 --configure_sysroot="$sysroot" \
3183 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3184 die "Error creating armcc configuration file."
3185 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3186 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3187 as_default="${cross_prefix}gcc"
3188 _depflags='-MMD'
3189 _cflags_speed='-O3'
3190 _cflags_size='-Os'
3191 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3192 _type=tms470
3193 _ident=$($_cc -version | head -n1 | tr -s ' ')
3194 _flags='--gcc --abi=eabi -me'
3195 _cc_e='-ppl -fe=$@'
3196 _cc_o='-fe=$@'
3197 _depflags='-ppa -ppd=$(@:.o=.d)'
3198 _cflags_speed='-O3 -mf=5'
3199 _cflags_size='-O3 -mf=2'
3200 _flags_filter=tms470_flags
3201 elif $_cc -v 2>&1 | grep -q clang; then
3202 _type=clang
3203 _ident=$($_cc --version 2>/dev/null | head -n1)
3204 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3205 _cflags_speed='-O3'
3206 _cflags_size='-Os'
3207 elif $_cc -V 2>&1 | grep -q Sun; then
3208 _type=suncc
3209 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3210 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3211 _DEPFLAGS='-xM1 -xc99'
3212 _ldflags='-std=c99'
3213 _cflags_speed='-O5'
3214 _cflags_size='-O5 -xspace'
3215 _flags_filter=suncc_flags
3216 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3217 _type=pathscale
3218 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3219 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3220 _cflags_speed='-O2'
3221 _cflags_size='-Os'
3222 _flags_filter='filter_out -Wdisabled-optimization'
3223 elif $_cc -v 2>&1 | grep -q Open64; then
3224 _type=open64
3225 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3226 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3227 _cflags_speed='-O2'
3228 _cflags_size='-Os'
3229 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3230 elif $_cc -V 2>&1 | grep -q Portland; then
3231 _type=pgi
3232 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3233 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3234 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3235 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3236 _cflags_noopt="-O1"
3237 _flags_filter=pgi_flags
3238 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3239 _type=armasm
3240 _ident=$($_cc | head -n1)
3241 # 4509: "This form of conditional instruction is deprecated"
3242 _flags="-nologo -ignore 4509"
3243 _flags_filter=armasm_flags
3244 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3245 _type=msvc
3246 _ident=$($_cc 2>&1 | head -n1)
3247 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3248 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3249 _cflags_speed="-O2"
3250 _cflags_size="-O1"
3251 if $_cc -nologo- 2>&1 | grep -q Linker; then
3252 _ld_o='-out:$@'
3253 else
3254 _ld_o='-Fe$@'
3255 fi
3256 _cc_o='-Fo$@'
3257 _cc_e='-P -Fi$@'
3258 _flags_filter=msvc_flags
3259 _ld_lib='lib%.a'
3260 _ld_path='-libpath:'
3261 _flags='-nologo'
3262 elif $_cc 2>&1 | grep -q Intel; then
3263 _type=icl
3264 _ident=$($_cc 2>&1 | head -n1)
3265 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3266 # Not only is O3 broken on 13.x+ but it is slower on all previous
3267 # versions (tested) as well.
3268 _cflags_speed="-O2"
3269 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3270 if $_cc 2>&1 | grep -q Linker; then
3271 _ld_o='-out:$@'
3272 else
3273 _ld_o='-Fe$@'
3274 fi
3275 _cc_o='-Fo$@'
3276 _cc_e='-P'
3277 _flags_filter=icl_flags
3278 _ld_lib='lib%.a'
3279 _ld_path='-libpath:'
3280 # -Qdiag-error to make icl error when seeing certain unknown arguments
3281 _flags='-nologo -Qdiag-error:4044,10157'
3282 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3283 # with MSVC which enables it by default.
3284 _cflags='-Qms0 -Qvec- -Qsimd- -GS'
3285 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
3286 # lld can emulate multiple different linkers; in ms link.exe mode,
3287 # the -? parameter gives the help output which contains an identifyable
3288 # string, while it gives an error in other modes.
3289 _type=lld-link
3290 # The link.exe mode doesn't have a switch for getting the version,
3291 # but we can force it back to gnu mode and get the version from there.
3292 _ident=$($_cc -flavor gnu --version)
3293 _ld_o='-out:$@'
3294 _flags_filter=msvc_flags
3295 _ld_lib='lib%.a'
3296 _ld_path='-libpath:'
3297 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3298 _type=cparser
3299 _ident=$($_cc --version | head -n1)
3300 _depflags='-MMD'
3301 _cflags_speed='-O4'
3302 _cflags_size='-O2'
3303 _flags_filter=cparser_flags
3304 fi
3305
3306 eval ${pfx}_type=\$_type
3307 eval ${pfx}_ident=\$_ident
3308 }
3309
3310 set_ccvars(){
3311 eval ${1}_C=\${_cc_c-\${${1}_C}}
3312 eval ${1}_E=\${_cc_e-\${${1}_E}}
3313 eval ${1}_O=\${_cc_o-\${${1}_O}}
3314
3315 if [ -n "$_depflags" ]; then
3316 eval ${1}_DEPFLAGS=\$_depflags
3317 else
3318 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3319 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3320 eval DEP${1}FLAGS=\$_flags
3321 fi
3322 }
3323
3324 probe_cc cc "$cc"
3325 cflags_filter=$_flags_filter
3326 cflags_speed=$_cflags_speed
3327 cflags_size=$_cflags_size
3328 cflags_noopt=$_cflags_noopt
3329 add_cflags $_flags $_cflags
3330 cc_ldflags=$_ldflags
3331 set_ccvars CC
3332
3333 probe_cc hostcc "$host_cc"
3334 host_cflags_filter=$_flags_filter
3335 add_host_cflags $_flags $_cflags
3336 set_ccvars HOSTCC
3337
3338 test -n "$cc_type" && enable $cc_type ||
3339 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3340
3341 : ${as_default:=$cc}
3342 : ${objcc_default:=$cc}
3343 : ${dep_cc_default:=$cc}
3344 : ${ld_default:=$cc}
3345 : ${host_ld_default:=$host_cc}
3346 set_default ar as objcc dep_cc ld host_ld
3347
3348 probe_cc as "$as"
3349 asflags_filter=$_flags_filter
3350 add_asflags $_flags $_cflags
3351 set_ccvars AS
3352
3353 probe_cc objcc "$objcc"
3354 objcflags_filter=$_flags_filter
3355 add_objcflags $_flags $_cflags
3356 set_ccvars OBJC
3357
3358 probe_cc ld "$ld"
3359 ldflags_filter=$_flags_filter
3360 add_ldflags $_flags $_ldflags
3361 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3362 LD_O=${_ld_o-$LD_O}
3363 LD_LIB=${_ld_lib-$LD_LIB}
3364 LD_PATH=${_ld_path-$LD_PATH}
3365
3366 probe_cc hostld "$host_ld"
3367 host_ldflags_filter=$_flags_filter
3368 add_host_ldflags $_flags $_ldflags
3369 HOSTLD_O=${_ld_o-$HOSTLD_O}
3370
3371 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3372 probe_cc depcc "$dep_cc"
3373 CCDEP=${_DEPCMD:-$DEPCMD}
3374 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3375 DEPCCFLAGS=$_flags
3376 fi
3377
3378 if $ar 2>&1 | grep -q Microsoft; then
3379 arflags="-nologo"
3380 ar_o='-out:$@'
3381 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3382 arflags="rq"
3383 ar_o='$@'
3384 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3385 arflags='-Xany -r -c'
3386 ar_o='$@'
3387 else
3388 arflags="rc"
3389 ar_o='$@'
3390 fi
3391
3392 add_cflags $extra_cflags
3393 add_objcflags $extra_objcflags
3394 add_asflags $extra_cflags
3395
3396 if test -n "$sysroot"; then
3397 case "$cc_type" in
3398 gcc|llvm_gcc|clang)
3399 add_cppflags --sysroot="$sysroot"
3400 add_ldflags --sysroot="$sysroot"
3401 ;;
3402 tms470)
3403 add_cppflags -I"$sysinclude"
3404 add_ldflags --sysroot="$sysroot"
3405 ;;
3406 esac
3407 fi
3408
3409 if test "$cpu" = host; then
3410 enabled cross_compile &&
3411 die "--cpu=host makes no sense when cross-compiling."
3412
3413 case "$cc_type" in
3414 gcc|llvm_gcc)
3415 check_native(){
3416 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3417 sed -n "/cc1.*$1=/{
3418 s/.*$1=\\([^ ]*\\).*/\\1/
3419 p
3420 q
3421 }" $TMPE
3422 }
3423 cpu=$(check_native -march || check_native -mcpu)
3424 ;;
3425 esac
3426
3427 test "${cpu:-host}" = host &&
3428 die "--cpu=host not supported with compiler $cc"
3429 fi
3430
3431 # Deal with common $arch aliases
3432 case "$arch" in
3433 aarch64|arm64)
3434 arch="aarch64"
3435 ;;
3436 arm*)
3437 arch="arm"
3438 ;;
3439 mips*|IP*)
3440 case "$arch" in
3441 *el)
3442 add_cppflags -EL
3443 add_ldflags -EL
3444 ;;
3445 *eb)
3446 add_cppflags -EB
3447 add_ldflags -EB
3448 ;;
3449 esac
3450 arch="mips"
3451 ;;
3452 parisc*|hppa*)
3453 arch="parisc"
3454 ;;
3455 "Power Macintosh"|ppc*|powerpc*)
3456 arch="ppc"
3457 ;;
3458 s390|s390x)
3459 arch="s390"
3460 ;;
3461 sh4|sh)
3462 arch="sh4"
3463 ;;
3464 sun4u|sparc*)
3465 arch="sparc"
3466 ;;
3467 tilegx|tile-gx)
3468 arch="tilegx"
3469 ;;
3470 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3471 arch="x86"
3472 ;;
3473 esac
3474
3475 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3476 enable $arch
3477
3478 # Add processor-specific flags
3479 if enabled aarch64; then
3480
3481 case $cpu in
3482 armv*)
3483 cpuflags="-march=$cpu"
3484 ;;
3485 *)
3486 cpuflags="-mcpu=$cpu"
3487 ;;
3488 esac
3489
3490 elif enabled alpha; then
3491
3492 cpuflags="-mcpu=$cpu"
3493
3494 elif enabled arm; then
3495
3496 check_arm_arch() {
3497 check_cpp_condition stddef.h \
3498 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3499 $cpuflags
3500 }
3501
3502 probe_arm_arch() {
3503 if check_arm_arch 4; then echo armv4
3504 elif check_arm_arch 4T; then echo armv4t
3505 elif check_arm_arch 5; then echo armv5
3506 elif check_arm_arch 5E; then echo armv5e
3507 elif check_arm_arch 5T; then echo armv5t
3508 elif check_arm_arch 5TE; then echo armv5te
3509 elif check_arm_arch 5TEJ; then echo armv5te
3510 elif check_arm_arch 6; then echo armv6
3511 elif check_arm_arch 6J; then echo armv6j
3512 elif check_arm_arch 6K; then echo armv6k
3513 elif check_arm_arch 6Z; then echo armv6z
3514 elif check_arm_arch 6ZK; then echo armv6zk
3515 elif check_arm_arch 6T2; then echo armv6t2
3516 elif check_arm_arch 7; then echo armv7
3517 elif check_arm_arch 7A 7_A; then echo armv7-a
3518 elif check_arm_arch 7S; then echo armv7-a
3519 elif check_arm_arch 7R 7_R; then echo armv7-r
3520 elif check_arm_arch 7M 7_M; then echo armv7-m
3521 elif check_arm_arch 7EM 7E_M; then echo armv7-m
3522 elif check_arm_arch 8A 8_A; then echo armv8-a
3523 fi
3524 }
3525
3526 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3527
3528 case $cpu in
3529 armv*)
3530 cpuflags="-march=$cpu"
3531 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3532 ;;
3533 *)
3534 cpuflags="-mcpu=$cpu"
3535 case $cpu in
3536 cortex-a*) subarch=armv7a ;;
3537 cortex-r*) subarch=armv7r ;;
3538 cortex-m*) enable thumb; subarch=armv7m ;;
3539 arm11*) subarch=armv6 ;;
3540 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3541 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3542 *) subarch=$(probe_arm_arch) ;;
3543 esac
3544 ;;
3545 esac
3546
3547 case "$subarch" in
3548 armv5t*) enable fast_clz ;;
3549 armv[6-8]*) enable fast_clz fast_unaligned ;;
3550 esac
3551
3552 elif enabled avr32; then
3553
3554 case $cpu in
3555 ap7[02]0[0-2])
3556 subarch="avr32_ap"
3557 cpuflags="-mpart=$cpu"
3558 ;;
3559 ap)
3560 subarch="avr32_ap"
3561 cpuflags="-march=$cpu"
3562 ;;
3563 uc3[ab]*)
3564 subarch="avr32_uc"
3565 cpuflags="-mcpu=$cpu"
3566 ;;
3567 uc)
3568 subarch="avr32_uc"
3569 cpuflags="-march=$cpu"
3570 ;;
3571 esac
3572
3573 elif enabled bfin; then
3574
3575 cpuflags="-mcpu=$cpu"
3576
3577 elif enabled mips; then
3578
3579 cpuflags="-march=$cpu"
3580
3581 elif enabled ppc; then
3582
3583 disable ldbrx
3584
3585 case $(tolower $cpu) in
3586 601|ppc601|powerpc601)
3587 cpuflags="-mcpu=601"
3588 disable altivec
3589 ;;
3590 603*|ppc603*|powerpc603*)
3591 cpuflags="-mcpu=603"
3592 disable altivec
3593 ;;
3594 604*|ppc604*|powerpc604*)
3595 cpuflags="-mcpu=604"
3596 disable altivec
3597 ;;
3598 g3|75*|ppc75*|powerpc75*)
3599 cpuflags="-mcpu=750"
3600 disable altivec
3601 ;;
3602 g4|745*|ppc745*|powerpc745*)
3603 cpuflags="-mcpu=7450"
3604 disable vsx
3605 ;;
3606 74*|ppc74*|powerpc74*)
3607 cpuflags="-mcpu=7400"
3608 disable vsx
3609 ;;
3610 g5|970|ppc970|powerpc970)
3611 cpuflags="-mcpu=970"
3612 disable vsx
3613 ;;
3614 power[3-6]*)
3615 cpuflags="-mcpu=$cpu"
3616 disable vsx
3617 ;;
3618 power[7-8]*)
3619 cpuflags="-mcpu=$cpu"
3620 enable ldbrx
3621 ;;
3622 cell)
3623 cpuflags="-mcpu=cell"
3624 enable ldbrx
3625 disable vsx
3626 ;;
3627 e500mc)
3628 cpuflags="-mcpu=e500mc"
3629 disable altivec
3630 ;;
3631 e500v2)
3632 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3633 disable altivec
3634 disable dcbzl
3635 ;;
3636 e500)
3637 cpuflags="-mcpu=8540 -mhard-float"
3638 disable altivec
3639 disable dcbzl
3640 ;;
3641 esac
3642
3643 elif enabled sparc; then
3644
3645 case $cpu in
3646 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3647 cpuflags="-mcpu=$cpu"
3648 ;;
3649 ultrasparc*|niagara[234])
3650 cpuflags="-mcpu=$cpu"
3651 ;;
3652 esac
3653
3654 elif enabled x86; then
3655
3656 case $cpu in
3657 i[345]86|pentium)
3658 cpuflags="-march=$cpu"
3659 disable i686
3660 disable mmx
3661 ;;
3662 # targets that do NOT support nopl and conditional mov (cmov)
3663 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3664 cpuflags="-march=$cpu"
3665 disable i686
3666 ;;
3667 # targets that do support nopl and conditional mov (cmov)
3668 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3669 cpuflags="-march=$cpu"
3670 enable i686
3671 enable fast_cmov
3672 ;;
3673 # targets that do support conditional mov but on which it's slow
3674 pentium4|pentium4m|prescott|nocona)
3675 cpuflags="-march=$cpu"
3676 enable i686
3677 disable fast_cmov
3678 ;;
3679 esac
3680
3681 fi
3682
3683 if [ "$cpu" != generic ]; then
3684 add_cflags $cpuflags
3685 add_asflags $cpuflags
3686 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
3687 fi
3688
3689 # compiler sanity check
3690 check_exec <<EOF
3691 int main(void){ return 0; }
3692 EOF
3693 if test "$?" != 0; then
3694 echo "$cc is unable to create an executable file."
3695 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3696 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3697 echo "Only do this if you know what cross compiling means."
3698 fi
3699 die "C compiler test failed."
3700 fi
3701
3702 add_cppflags -D_ISOC99_SOURCE
3703
3704 # some compilers silently accept -std=c11, so we also need to check that the
3705 # version macro is defined properly
3706 if test_cflags_cpp -std=c11 "__STDC_VERSION__ >= 201112L"; then
3707 add_cflags -std=c11
3708 else
3709 check_cflags -std=c99
3710 fi
3711
3712 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3713 #include <stdlib.h>
3714 EOF
3715 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3716 #include <stdlib.h>
3717 EOF
3718