build: More precise dependencies for h264dsp
[libav.git] / configure
1 #!/bin/sh
2 #
3 # Libav configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
43 fi
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken Libav."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
54 exit 1
55 fi
56
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
59 show_help(){
60 cat <<EOF
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
63
64 Help options:
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
77
78 Standard options:
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --prefix=PREFIX install in PREFIX [$prefix]
82 --bindir=DIR install binaries in DIR [PREFIX/bin]
83 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
84 --docdir=DIR install documentation in DIR [PREFIX/share/doc/libav]
85 --libdir=DIR install libs in DIR [PREFIX/lib]
86 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
87 --incdir=DIR install includes in DIR [PREFIX/include]
88 --mandir=DIR install man page in DIR [PREFIX/share/man]
89 --enable-rpath use rpath when linking programs [USE WITH CARE]
90
91 Licensing options:
92 --enable-gpl allow use of GPL code, the resulting libs
93 and binaries will be under GPL [no]
94 --enable-version3 upgrade (L)GPL to version 3 [no]
95 --enable-nonfree allow use of nonfree code, the resulting libs
96 and binaries will be unredistributable [no]
97
98 Configuration options:
99 --disable-static do not build static libraries [no]
100 --enable-shared build shared libraries [no]
101 --enable-small optimize for size instead of speed
102 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
103 --enable-gray enable full grayscale support (slower color)
104 --disable-swscale-alpha disable alpha channel support in swscale
105 --disable-all disable building components, libraries and programs
106
107 Program options:
108 --disable-programs do not build command line programs
109 --disable-avconv disable avconv build
110 --disable-avplay disable avplay build
111 --disable-avprobe disable avprobe build
112 --disable-avserver deprecated, does nothing
113
114 Component options:
115 --disable-doc do not build documentation
116 --disable-avdevice disable libavdevice build
117 --disable-avcodec disable libavcodec build
118 --disable-avformat disable libavformat build
119 --disable-avutil disable libavutil build
120 --disable-swscale disable libswscale build
121 --disable-avfilter disable video filter support [no]
122 --disable-avresample disable libavresample build [no]
123 --disable-pthreads disable pthreads [auto]
124 --disable-w32threads disable Win32 threads [auto]
125 --disable-network disable network support [no]
126 --disable-dct disable DCT code
127 --disable-error-resilience disable error resilience code
128 --disable-lsp disable LSP code
129 --disable-lzo disable LZO decoder code
130 --disable-mdct disable MDCT code
131 --disable-rdft disable RDFT code
132 --disable-fft disable FFT code
133 --disable-faan disable floating point AAN (I)DCT code
134
135 Hardware accelerators:
136 --enable-d3d11va enable D3D11VA code
137 --enable-dxva2 enable DXVA2 code
138 --enable-vaapi enable VAAPI code
139 --enable-vda enable VDA code
140 --enable-vdpau enable VDPAU code
141
142 Individual component options:
143 --disable-everything disable all components listed below
144 --disable-encoder=NAME disable encoder NAME
145 --enable-encoder=NAME enable encoder NAME
146 --disable-encoders disable all encoders
147 --disable-decoder=NAME disable decoder NAME
148 --enable-decoder=NAME enable decoder NAME
149 --disable-decoders disable all decoders
150 --disable-hwaccel=NAME disable hwaccel NAME
151 --enable-hwaccel=NAME enable hwaccel NAME
152 --disable-hwaccels disable all hwaccels
153 --disable-muxer=NAME disable muxer NAME
154 --enable-muxer=NAME enable muxer NAME
155 --disable-muxers disable all muxers
156 --disable-demuxer=NAME disable demuxer NAME
157 --enable-demuxer=NAME enable demuxer NAME
158 --disable-demuxers disable all demuxers
159 --enable-parser=NAME enable parser NAME
160 --disable-parser=NAME disable parser NAME
161 --disable-parsers disable all parsers
162 --enable-bsf=NAME enable bitstream filter NAME
163 --disable-bsf=NAME disable bitstream filter NAME
164 --disable-bsfs disable all bitstream filters
165 --enable-protocol=NAME enable protocol NAME
166 --disable-protocol=NAME disable protocol NAME
167 --disable-protocols disable all protocols
168 --enable-indev=NAME enable input device NAME
169 --disable-indev=NAME disable input device NAME
170 --disable-indevs disable input devices
171 --enable-outdev=NAME enable output device NAME
172 --disable-outdev=NAME disable output device NAME
173 --disable-outdevs disable output devices
174 --disable-devices disable all devices
175 --enable-filter=NAME enable filter NAME
176 --disable-filter=NAME disable filter NAME
177 --disable-filters disable all filters
178
179 External library support:
180 --enable-avisynth enable reading of AviSynth script files [no]
181 --enable-bzlib enable bzlib [autodetect]
182 --enable-cuda enable dynamically linked CUDA [no]
183 --enable-frei0r enable frei0r video filtering
184 --enable-gnutls enable gnutls [no]
185 --enable-libbs2b enable bs2b DSP library [no]
186 --enable-libcdio enable audio CD grabbing with libcdio
187 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
188 and libraw1394 [no]
189 --enable-libdcadec enable DCA decoding via libdcadec [no]
190 --enable-libfaac enable AAC encoding via libfaac [no]
191 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
192 --enable-libfreetype enable libfreetype [no]
193 --enable-libgsm enable GSM de/encoding via libgsm [no]
194 --enable-libilbc enable iLBC de/encoding via libilbc [no]
195 --enable-libkvazaar enable HEVC encoding via libkvazaar [no]
196 --enable-libmfx enable HW acceleration through libmfx
197 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
198 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
199 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
200 --enable-libopencv enable video filtering via libopencv [no]
201 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
202 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
203 --enable-libopus enable Opus de/encoding via libopus [no]
204 --enable-libpulse enable Pulseaudio input via libpulse [no]
205 --enable-librtmp enable RTMP[E] support via librtmp [no]
206 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
207 --enable-libsnappy enable Snappy compression [no]
208 --enable-libspeex enable Speex de/encoding via libspeex [no]
209 --enable-libtheora enable Theora encoding via libtheora [no]
210 --enable-libtwolame enable MP2 encoding via libtwolame [no]
211 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
212 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
213 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
214 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
215 --enable-libwavpack enable wavpack encoding via libwavpack [no]
216 --enable-libwebp enable WebP encoding via libwebp [no]
217 --enable-libx264 enable H.264 encoding via x264 [no]
218 --enable-libx265 enable HEVC encoding via x265 [no]
219 --enable-libxavs enable AVS encoding via xavs [no]
220 --enable-libxcb enable X11 grabbing using XCB [no]
221 --enable-libxcb-shm enable X11 grabbing shm communication [auto]
222 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [auto]
223 --enable-libxvid enable Xvid encoding via xvidcore,
224 native MPEG-4/Xvid encoder exists [no]
225 --enable-mmal enable decoding via MMAL [no]
226 --enable-nvenc enable encoding via NVENC [no]
227 --enable-openssl enable openssl [no]
228 --enable-x11grab enable X11 grabbing (legacy) [no]
229 --enable-zlib enable zlib [autodetect]
230
231 Toolchain options:
232 --arch=ARCH select architecture [$arch]
233 --cpu=CPU select the minimum required CPU (affects
234 instruction selection, may crash on older CPUs)
235 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
236 --enable-cross-compile assume a cross-compiler is used
237 --sysroot=PATH root of cross-build tree
238 --sysinclude=PATH location of cross-build system headers
239 --target-os=OS compiler targets OS [$target_os]
240 --target-exec=CMD command to run executables on target
241 --target-path=DIR path to view of build directory on target
242 --target-samples=DIR path to samples directory on target
243 --toolchain=NAME set tool defaults according to NAME
244 --nm=NM use nm tool
245 --ar=AR use archive tool AR [$ar_default]
246 --as=AS use assembler AS [$as_default]
247 --cc=CC use C compiler CC [$cc_default]
248 --objcc=OCC use ObjC compiler OCC [$cc_default]
249 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
250 --ld=LD use linker LD
251 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
252 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
253 --host-cc=HOSTCC use host C compiler HOSTCC
254 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
255 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
256 --host-ld=HOSTLD use host linker HOSTLD
257 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
258 --host-libs=HLIBS use libs HLIBS when linking for host
259 --host-os=OS compiler host OS [$target_os]
260 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
261 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
262 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
263 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
264 --extra-libs=ELIBS add ELIBS [$ELIBS]
265 --extra-version=STRING version string suffix []
266 --optflags=OPTFLAGS override optimization-related compiler flags
267 --build-suffix=SUFFIX library name suffix []
268 --enable-pic build position-independent code
269 --enable-thumb compile for Thumb instruction set
270 --enable-lto use link-time optimization
271 --env="ENV=override" override the environment variables
272
273 Advanced options (experts only):
274 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
275 --custom-allocator=NAME use a supported custom allocator
276 --disable-symver disable symbol versioning
277 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
278 --disable-safe-bitstream-reader
279 disable buffer boundary checking in bitreaders
280 (faster, but may crash)
281 --enable-memalign-hack emulate memalign, interferes with memory debuggers
282 --enable-sram allow use of on-chip SRAM
283
284 Optimization options (experts only):
285 --disable-asm disable all assembly optimizations
286 --disable-altivec disable AltiVec optimizations
287 --disable-vsx disable VSX optimizations
288 --disable-power8 disable POWER8 optimizations
289 --disable-amd3dnow disable 3DNow! optimizations
290 --disable-amd3dnowext disable 3DNow! extended optimizations
291 --disable-mmx disable MMX optimizations
292 --disable-mmxext disable MMXEXT optimizations
293 --disable-sse disable SSE optimizations
294 --disable-sse2 disable SSE2 optimizations
295 --disable-sse3 disable SSE3 optimizations
296 --disable-ssse3 disable SSSE3 optimizations
297 --disable-sse4 disable SSE4 optimizations
298 --disable-sse42 disable SSE4.2 optimizations
299 --disable-avx disable AVX optimizations
300 --disable-xop disable XOP optimizations
301 --disable-fma3 disable FMA3 optimizations
302 --disable-fma4 disable FMA4 optimizations
303 --disable-avx2 disable AVX2 optimizations
304 --disable-armv5te disable armv5te optimizations
305 --disable-armv6 disable armv6 optimizations
306 --disable-armv6t2 disable armv6t2 optimizations
307 --disable-vfp disable VFP optimizations
308 --disable-neon disable NEON optimizations
309 --disable-inline-asm disable use of inline assembly
310 --disable-yasm disable use of nasm/yasm assembly
311
312 Developer options (useful when working on Libav itself):
313 --disable-debug disable debugging symbols
314 --enable-debug=LEVEL set the debug level [$debuglevel]
315 --disable-optimizations disable compiler optimizations
316 --enable-extra-warnings enable more compiler warnings
317 --samples=PATH location of test samples for FATE, if not set use
318 \$LIBAV_SAMPLES at make invocation time.
319 --enable-neon-clobber-test check NEON registers for clobbering (should be
320 used only for debugging purposes)
321 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
322 should be used only for debugging purposes)
323 --enable-random randomly enable/disable components
324 --disable-random
325 --enable-random=LIST randomly enable/disable specific components or
326 --disable-random=LIST component groups. LIST is a comma-separated list
327 of NAME[:PROB] entries where NAME is a component
328 (group) and PROB the probability associated with
329 NAME (default 0.5).
330 --random-seed=VALUE seed value for --enable/disable-random
331 --disable-valgrind-backtrace do not print a backtrace under Valgrind
332 (only applies to --disable-optimizations builds)
333
334 NOTE: Object files are built at the place where configure is launched.
335 EOF
336 exit 0
337 }
338
339 quotes='""'
340
341 log(){
342 echo "$@" >> $logfile
343 }
344
345 log_file(){
346 log BEGIN $1
347 i=1
348 while read line; do
349 printf '%5s %s\n' "${i}" "${line}"
350 i=$(($i+1))
351 done < $1 >> $logfile
352 log END $1
353 }
354
355 echolog(){
356 log "$@"
357 echo "$@"
358 }
359
360 warn(){
361 log "WARNING: $*"
362 WARNINGS="${WARNINGS}WARNING: $*\n"
363 }
364
365 die(){
366 echolog "$@"
367 cat <<EOF
368
369 If you think configure made a mistake, make sure you are using the latest
370 version from Git. If the latest version fails, report the problem to the
371 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
372 EOF
373 if disabled logging; then
374 cat <<EOF
375 Rerun configure with logging enabled (do not use --disable-logging), and
376 include the log this produces with your report.
377 EOF
378 else
379 cat <<EOF
380 Include the log file "$logfile" produced by configure as this will help
381 solving the problem.
382 EOF
383 fi
384 exit 1
385 }
386
387 # Avoid locale weirdness, besides we really just want to translate ASCII.
388 toupper(){
389 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
390 }
391
392 tolower(){
393 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
394 }
395
396 c_escape(){
397 echo "$*" | sed 's/["\\]/\\\0/g'
398 }
399
400 sh_quote(){
401 v=$(echo "$1" | sed "s/'/'\\\\''/g")
402 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
403 echo "$v"
404 }
405
406 cleanws(){
407 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
408 }
409
410 filter(){
411 pat=$1
412 shift
413 for v; do
414 eval "case $v in $pat) echo $v ;; esac"
415 done
416 }
417
418 filter_out(){
419 pat=$1
420 shift
421 for v; do
422 eval "case $v in $pat) ;; *) echo $v ;; esac"
423 done
424 }
425
426 map(){
427 m=$1
428 shift
429 for v; do eval $m; done
430 }
431
432 add_suffix(){
433 suffix=$1
434 shift
435 for v; do echo ${v}${suffix}; done
436 }
437
438 set_all(){
439 value=$1
440 shift
441 for var in $*; do
442 eval $var=$value
443 done
444 }
445
446 set_weak(){
447 value=$1
448 shift
449 for var; do
450 eval : \${$var:=$value}
451 done
452 }
453
454 sanitize_var_name(){
455 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
456 }
457
458 set_safe(){
459 var=$1
460 shift
461 eval $(sanitize_var_name "$var")='$*'
462 }
463
464 get_safe(){
465 eval echo \$$(sanitize_var_name "$1")
466 }
467
468 pushvar(){
469 for pvar in $*; do
470 eval level=\${${pvar}_level:=0}
471 eval ${pvar}_${level}="\$$pvar"
472 eval ${pvar}_level=$(($level+1))
473 done
474 }
475
476 popvar(){
477 for pvar in $*; do
478 eval level=\${${pvar}_level:-0}
479 test $level = 0 && continue
480 eval level=$(($level-1))
481 eval $pvar="\${${pvar}_${level}}"
482 eval ${pvar}_level=$level
483 eval unset ${pvar}_${level}
484 done
485 }
486
487 enable(){
488 set_all yes $*
489 }
490
491 disable(){
492 set_all no $*
493 }
494
495 enable_weak(){
496 set_weak yes $*
497 }
498
499 disable_weak(){
500 set_weak no $*
501 }
502
503 enable_safe(){
504 for var; do
505 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
506 done
507 }
508
509 disable_safe(){
510 for var; do
511 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
512 done
513 }
514
515 do_enable_deep(){
516 for var; do
517 enabled $var && continue
518 eval sel="\$${var}_select"
519 eval sgs="\$${var}_suggest"
520 pushvar var sgs
521 enable_deep $sel
522 popvar sgs
523 enable_deep_weak $sgs
524 popvar var
525 done
526 }
527
528 enable_deep(){
529 do_enable_deep $*
530 enable $*
531 }
532
533 enable_deep_weak(){
534 for var; do
535 disabled $var && continue
536 pushvar var
537 do_enable_deep $var
538 popvar var
539 enable_weak $var
540 done
541 }
542
543 enabled(){
544 test "${1#!}" = "$1" && op== || op=!=
545 eval test "x\$${1#!}" $op "xyes"
546 }
547
548 disabled(){
549 test "${1#!}" = "$1" && op== || op=!=
550 eval test "x\$${1#!}" $op "xno"
551 }
552
553 enabled_all(){
554 for opt; do
555 enabled $opt || return 1
556 done
557 }
558
559 disabled_all(){
560 for opt; do
561 disabled $opt || return 1
562 done
563 }
564
565 enabled_any(){
566 for opt; do
567 enabled $opt && return 0
568 done
569 }
570
571 disabled_any(){
572 for opt; do
573 disabled $opt && return 0
574 done
575 return 1
576 }
577
578 set_default(){
579 for opt; do
580 eval : \${$opt:=\$${opt}_default}
581 done
582 }
583
584 is_in(){
585 value=$1
586 shift
587 for var in $*; do
588 [ $var = $value ] && return 0
589 done
590 return 1
591 }
592
593 do_check_deps(){
594 for cfg; do
595 cfg="${cfg#!}"
596 enabled ${cfg}_checking && die "Circular dependency for $cfg."
597 disabled ${cfg}_checking && continue
598 enable ${cfg}_checking
599 append allopts $cfg
600
601 eval dep_all="\$${cfg}_deps"
602 eval dep_any="\$${cfg}_deps_any"
603 eval dep_sel="\$${cfg}_select"
604 eval dep_sgs="\$${cfg}_suggest"
605 eval dep_ifa="\$${cfg}_if"
606 eval dep_ifn="\$${cfg}_if_any"
607
608 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
609 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
610 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
611
612 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
613 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
614 enabled_all $dep_all || disable $cfg
615 enabled_any $dep_any || disable $cfg
616 disabled_any $dep_sel && disable $cfg
617
618 if enabled $cfg; then
619 enable_deep $dep_sel
620 enable_deep_weak $dep_sgs
621 fi
622
623 disable ${cfg}_checking
624 done
625 }
626
627 check_deps(){
628 unset allopts
629
630 do_check_deps "$@"
631
632 for cfg in $allopts; do
633 enabled $cfg || continue
634 eval dep_extralibs="\$${cfg}_extralibs"
635 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
636 done
637 }
638
639 print_config(){
640 pfx=$1
641 files=$2
642 shift 2
643 map 'eval echo "$v \${$v:-no}"' "$@" |
644 awk "BEGIN { split(\"$files\", files) }
645 {
646 c = \"$pfx\" toupper(\$1);
647 v = \$2;
648 sub(/yes/, 1, v);
649 sub(/no/, 0, v);
650 for (f in files) {
651 file = files[f];
652 if (file ~ /\\.h\$/) {
653 printf(\"#define %s %d\\n\", c, v) >>file;
654 } else if (file ~ /\\.asm\$/) {
655 printf(\"%%define %s %d\\n\", c, v) >>file;
656 } else if (file ~ /\\.mak\$/) {
657 n = -v ? \"\" : \"!\";
658 printf(\"%s%s=yes\\n\", n, c) >>file;
659 }
660 }
661 }"
662 }
663
664 print_enabled(){
665 suf=$1
666 shift
667 for v; do
668 enabled $v && printf "%s\n" ${v%$suf};
669 done
670 }
671
672 append(){
673 var=$1
674 shift
675 eval "$var=\"\$$var $*\""
676 }
677
678 prepend(){
679 var=$1
680 shift
681 eval "$var=\"$* \$$var\""
682 }
683
684 unique(){
685 var=$1
686 uniq_list=""
687 for tok in $(eval echo \$$var); do
688 uniq_list="$(filter_out $tok $uniq_list) $tok"
689 done
690 eval "$var=\"${uniq_list}\""
691 }
692
693 add_cppflags(){
694 append CPPFLAGS "$@"
695 }
696
697 add_cflags(){
698 append CFLAGS $($cflags_filter "$@")
699 }
700
701 add_asflags(){
702 append ASFLAGS $($asflags_filter "$@")
703 }
704
705 add_objcflags(){
706 append OBJCFLAGS $($objcflags_filter "$@")
707 }
708
709 add_ldflags(){
710 append LDFLAGS $($ldflags_filter "$@")
711 }
712
713 add_ldexeflags(){
714 append LDEXEFLAGS $($ldflags_filter "$@")
715 }
716
717 add_stripflags(){
718 append STRIPFLAGS "$@"
719 }
720
721 add_extralibs(){
722 prepend extralibs $($ldflags_filter "$@")
723 }
724
725 add_host_cppflags(){
726 append host_cppflags "$@"
727 }
728
729 add_host_cflags(){
730 append host_cflags $($host_cflags_filter "$@")
731 }
732
733 add_host_ldflags(){
734 append host_ldflags $($host_ldflags_filter "$@")
735 }
736
737 add_compat(){
738 append compat_objs $1
739 shift
740 map 'add_cppflags -D$v' "$@"
741 }
742
743 check_cmd(){
744 log "$@"
745 "$@" >> $logfile 2>&1
746 }
747
748 cc_o(){
749 eval printf '%s\\n' $CC_O
750 }
751
752 cc_e(){
753 eval printf '%s\\n' $CC_E
754 }
755
756 check_cc(){
757 log check_cc "$@"
758 cat > $TMPC
759 log_file $TMPC
760 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
761 }
762
763 check_objcc(){
764 log check_objcc "$@"
765 cat > $TMPC
766 log_file $TMPC
767 check_cmd $objcc $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPC
768 }
769
770 check_cpp(){
771 log check_cpp "$@"
772 cat > $TMPC
773 log_file $TMPC
774 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
775 }
776
777 as_o(){
778 eval printf '%s\\n' $AS_O
779 }
780
781 check_as(){
782 log check_as "$@"
783 cat > $TMPS
784 log_file $TMPS
785 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
786 }
787
788 check_inline_asm(){
789 log check_inline_asm "$@"
790 name="$1"
791 code="$2"
792 shift 2
793 disable $name
794 check_cc "$@" <<EOF && enable $name
795 void foo(void){ __asm__ volatile($code); }
796 EOF
797 }
798
799 check_insn(){
800 log check_insn "$@"
801 check_inline_asm ${1}_inline "\"$2\""
802 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
803 }
804
805 check_yasm(){
806 log check_yasm "$@"
807 echo "$1" > $TMPS
808 log_file $TMPS
809 shift 1
810 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
811 }
812
813 ld_o(){
814 eval printf '%s\\n' $LD_O
815 }
816
817 check_ld(){
818 log check_ld "$@"
819 flags=$(filter_out '-l*' "$@")
820 libs=$(filter '-l*' "$@")
821 check_cc $($cflags_filter $flags) || return
822 flags=$($ldflags_filter $flags)
823 libs=$($ldflags_filter $libs)
824 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
825 }
826
827 print_include(){
828 hdr=$1
829 test "${hdr%.h}" = "${hdr}" &&
830 echo "#include $hdr" ||
831 echo "#include <$hdr>"
832 }
833
834 check_code(){
835 log check_code "$@"
836 check=$1
837 headers=$2
838 code=$3
839 shift 3
840 {
841 for hdr in $headers; do
842 print_include $hdr
843 done
844 echo "int main(void) { $code; return 0; }"
845 } | check_$check "$@"
846 }
847
848 check_cppflags(){
849 log check_cppflags "$@"
850 check_cc "$@" <<EOF && append CPPFLAGS "$@"
851 int x;
852 EOF
853 }
854
855 test_cflags(){
856 log test_cflags "$@"
857 set -- $($cflags_filter "$@")
858 check_cc "$@" <<EOF
859 int x;
860 EOF
861 }
862
863 check_cflags(){
864 log check_cflags "$@"
865 test_cflags "$@" && add_cflags "$@"
866 }
867
868 test_objcflags(){
869 log test_cflags "$@"
870 set -- $($cflags_filter "$@")
871 check_objcc "$@" <<EOF
872 int x;
873 EOF
874 }
875
876 check_objcflags(){
877 log check_cflags "$@"
878 test_objcflags "$@" && add_objcflags "$@"
879 }
880
881 test_ldflags(){
882 log test_ldflags "$@"
883 check_ld "$@" <<EOF
884 int main(void){ return 0; }
885 EOF
886 }
887
888 check_ldflags(){
889 log check_ldflags "$@"
890 test_ldflags "$@" && add_ldflags "$@"
891 }
892
893 test_stripflags(){
894 log test_stripflags "$@"
895 # call check_cc to get a fresh TMPO
896 check_cc <<EOF
897 int main(void) { return 0; }
898 EOF
899 check_cmd $strip $STRIPFLAGS "$@" $TMPO
900 }
901
902 check_stripflags(){
903 log check_stripflags "$@"
904 test_stripflags "$@" && add_stripflags "$@"
905 }
906
907 check_header(){
908 log check_header "$@"
909 header=$1
910 shift
911 disable_safe $header
912 check_cpp "$@" <<EOF && enable_safe $header
913 #include <$header>
914 int x;
915 EOF
916 }
917
918 check_func(){
919 log check_func "$@"
920 func=$1
921 shift
922 disable $func
923 check_ld "$@" <<EOF && enable $func
924 extern int $func();
925 int main(void){ $func(); }
926 EOF
927 }
928
929 check_mathfunc(){
930 log check_mathfunc "$@"
931 func=$1
932 narg=$2
933 shift 2
934 test $narg = 2 && args="f, g" || args="f"
935 disable $func
936 check_ld "$@" <<EOF && enable $func
937 #include <math.h>
938 float foo(float f, float g) { return $func($args); }
939 int main(void){ return 0; }
940 EOF
941 }
942
943 check_func_headers(){
944 log check_func_headers "$@"
945 headers=$1
946 funcs=$2
947 shift 2
948 {
949 for hdr in $headers; do
950 print_include $hdr
951 done
952 for func in $funcs; do
953 echo "long check_$func(void) { return (long) $func; }"
954 done
955 echo "int main(void) { return 0; }"
956 } | check_ld "$@" && enable $funcs && enable_safe $headers
957 }
958
959 check_cpp_condition(){
960 log check_cpp_condition "$@"
961 header=$1
962 condition=$2
963 shift 2
964 check_cpp "$@" <<EOF
965 #include <$header>
966 #if !($condition)
967 #error "unsatisfied condition: $condition"
968 #endif
969 EOF
970 }
971
972 check_lib(){
973 log check_lib "$@"
974 header="$1"
975 func="$2"
976 shift 2
977 check_header $header && check_func $func "$@" && add_extralibs "$@"
978 }
979
980 check_lib2(){
981 log check_lib2 "$@"
982 headers="$1"
983 funcs="$2"
984 shift 2
985 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
986 }
987
988 check_pkg_config(){
989 log check_pkg_config "$@"
990 pkg="$1"
991 headers="$2"
992 funcs="$3"
993 shift 3
994 check_cmd $pkg_config --exists --print-errors $pkg || return
995 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
996 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
997 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
998 set_safe "${pkg}_cflags" $pkg_cflags &&
999 set_safe "${pkg}_libs" $pkg_libs
1000 }
1001
1002 check_exec(){
1003 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1004 }
1005
1006 check_exec_crash(){
1007 code=$(cat)
1008
1009 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1010 # are safe but may not be available everywhere. Thus we use
1011 # raise(SIGTERM) instead. The check is run in a subshell so we
1012 # can redirect the "Terminated" message from the shell. SIGBUS
1013 # is not defined by standard C so it is used conditionally.
1014
1015 (check_exec "$@") >> $logfile 2>&1 <<EOF
1016 #include <signal.h>
1017 static void sighandler(int sig){
1018 raise(SIGTERM);
1019 }
1020 int foo(void){
1021 $code
1022 }
1023 int (*func_ptr)(void) = foo;
1024 int main(void){
1025 signal(SIGILL, sighandler);
1026 signal(SIGFPE, sighandler);
1027 signal(SIGSEGV, sighandler);
1028 #ifdef SIGBUS
1029 signal(SIGBUS, sighandler);
1030 #endif
1031 return func_ptr();
1032 }
1033 EOF
1034 }
1035
1036 check_type(){
1037 log check_type "$@"
1038 headers=$1
1039 type=$2
1040 shift 2
1041 disable_safe "$type"
1042 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1043 }
1044
1045 check_struct(){
1046 log check_struct "$@"
1047 headers=$1
1048 struct=$2
1049 member=$3
1050 shift 3
1051 disable_safe "${struct}_${member}"
1052 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1053 enable_safe "${struct}_${member}"
1054 }
1055
1056 check_builtin(){
1057 log check_builtin "$@"
1058 name=$1
1059 headers=$2
1060 builtin=$3
1061 shift 3
1062 disable "$name"
1063 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1064 }
1065
1066 check_compile_assert(){
1067 log check_compile_assert "$@"
1068 name=$1
1069 headers=$2
1070 condition=$3
1071 shift 3
1072 disable "$name"
1073 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1074 }
1075
1076 require(){
1077 name="$1"
1078 header="$2"
1079 func="$3"
1080 shift 3
1081 check_lib $header $func "$@" || die "ERROR: $name not found"
1082 }
1083
1084 require2(){
1085 name="$1"
1086 headers="$2"
1087 func="$3"
1088 shift 3
1089 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1090 }
1091
1092 require_pkg_config(){
1093 pkg="$1"
1094 check_pkg_config "$@" || die "ERROR: $pkg not found"
1095 add_cflags $(get_safe "${pkg}_cflags")
1096 add_extralibs $(get_safe "${pkg}_libs")
1097 }
1098
1099 hostcc_e(){
1100 eval printf '%s\\n' $HOSTCC_E
1101 }
1102
1103 hostcc_o(){
1104 eval printf '%s\\n' $HOSTCC_O
1105 }
1106
1107 check_host_cc(){
1108 log check_host_cc "$@"
1109 cat > $TMPC
1110 log_file $TMPC
1111 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1112 }
1113
1114 check_host_cpp(){
1115 log check_host_cpp "$@"
1116 cat > $TMPC
1117 log_file $TMPC
1118 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1119 }
1120
1121 check_host_cppflags(){
1122 log check_host_cppflags "$@"
1123 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1124 int x;
1125 EOF
1126 }
1127
1128 check_host_cflags(){
1129 log check_host_cflags "$@"
1130 set -- $($host_cflags_filter "$@")
1131 check_host_cc "$@" <<EOF && append host_cflags "$@"
1132 int x;
1133 EOF
1134 }
1135
1136 check_host_cpp_condition(){
1137 log check_host_cpp_condition "$@"
1138 header=$1
1139 condition=$2
1140 shift 2
1141 check_host_cpp "$@" <<EOF
1142 #include <$header>
1143 #if !($condition)
1144 #error "unsatisfied condition: $condition"
1145 #endif
1146 EOF
1147 }
1148
1149 apply(){
1150 file=$1
1151 shift
1152 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1153 }
1154
1155 cp_if_changed(){
1156 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1157 mkdir -p "$(dirname $2)"
1158 $cp_f "$1" "$2"
1159 }
1160
1161 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1162 # system-dependent things.
1163
1164 AVCODEC_COMPONENTS="
1165 bsfs
1166 decoders
1167 encoders
1168 hwaccels
1169 parsers
1170 "
1171
1172 AVDEVICE_COMPONENTS="
1173 indevs
1174 outdevs
1175 "
1176 AVFILTER_COMPONENTS="
1177 filters
1178 "
1179 AVFORMAT_COMPONENTS="
1180 demuxers
1181 muxers
1182 protocols
1183 "
1184
1185 AVRESAMPLE_COMPONENTS=""
1186 AVUTIL_COMPONENTS=""
1187
1188 COMPONENT_LIST="
1189 $AVCODEC_COMPONENTS
1190 $AVDEVICE_COMPONENTS
1191 $AVFILTER_COMPONENTS
1192 $AVFORMAT_COMPONENTS
1193 $AVRESAMPLE_COMPONENTS
1194 $AVUTIL_COMPONENTS
1195 "
1196
1197 EXAMPLE_LIST="
1198 avcodec_example
1199 filter_audio_example
1200 metadata_example
1201 output_example
1202 qsvdec_example
1203 transcode_aac_example
1204 "
1205
1206 EXTERNAL_LIBRARY_LIST="
1207 avisynth
1208 bzlib
1209 cuda
1210 frei0r
1211 gnutls
1212 libbs2b
1213 libcdio
1214 libdc1394
1215 libdcadec
1216 libfaac
1217 libfdk_aac
1218 libfontconfig
1219 libfreetype
1220 libgsm
1221 libilbc
1222 libkvazaar
1223 libmfx
1224 libmp3lame
1225 libopencore_amrnb
1226 libopencore_amrwb
1227 libopencv
1228 libopenh264
1229 libopenjpeg
1230 libopus
1231 libpulse
1232 librtmp
1233 libschroedinger
1234 libsnappy
1235 libspeex
1236 libtheora
1237 libtwolame
1238 libvo_aacenc
1239 libvo_amrwbenc
1240 libvorbis
1241 libvpx
1242 libwavpack
1243 libwebp
1244 libx264
1245 libx265
1246 libxavs
1247 libxcb
1248 libxcb_shm
1249 libxcb_xfixes
1250 libxvid
1251 mmal
1252 nvenc
1253 openssl
1254 x11grab
1255 zlib
1256 "
1257
1258 FEATURE_LIST="
1259 gray
1260 hardcoded_tables
1261 runtime_cpudetect
1262 safe_bitstream_reader
1263 shared
1264 small
1265 sram
1266 static
1267 swscale_alpha
1268 "
1269
1270 HWACCEL_LIST="
1271 d3d11va
1272 dxva2
1273 vaapi
1274 vda
1275 vdpau
1276 "
1277
1278 LIBRARY_LIST="
1279 avcodec
1280 avdevice
1281 avfilter
1282 avformat
1283 avresample
1284 avutil
1285 swscale
1286 "
1287
1288 LICENSE_LIST="
1289 gpl
1290 nonfree
1291 version3
1292 "
1293
1294 PROGRAM_LIST="
1295 avconv
1296 avplay
1297 avprobe
1298 "
1299
1300 SUBSYSTEM_LIST="
1301 dct
1302 doc
1303 error_resilience
1304 faan
1305 fft
1306 lsp
1307 lzo
1308 mdct
1309 network
1310 rdft
1311 "
1312
1313 CONFIG_LIST="
1314 $COMPONENT_LIST
1315 $EXAMPLE_LIST
1316 $EXTERNAL_LIBRARY_LIST
1317 $FEATURE_LIST
1318 $HWACCEL_LIST
1319 $LICENSE_LIST
1320 $LIBRARY_LIST
1321 $PROGRAM_LIST
1322 $SUBSYSTEM_LIST
1323 memalign_hack
1324 neon_clobber_test
1325 pic
1326 pod2man
1327 texi2html
1328 thumb
1329 valgrind_backtrace
1330 xmm_clobber_test
1331 "
1332
1333 THREADS_LIST="
1334 pthreads
1335 w32threads
1336 "
1337
1338 ATOMICS_LIST="
1339 atomics_gcc
1340 atomics_suncc
1341 atomics_win32
1342 "
1343
1344 ARCH_LIST="
1345 aarch64
1346 alpha
1347 arm
1348 avr32
1349 avr32_ap
1350 avr32_uc
1351 bfin
1352 ia64
1353 m68k
1354 mips
1355 mips64
1356 parisc
1357 ppc
1358 ppc64
1359 s390
1360 sh4
1361 sparc
1362 sparc64
1363 tilegx
1364 tilepro
1365 tomi
1366 x86
1367 x86_32
1368 x86_64
1369 "
1370
1371 ARCH_EXT_LIST_ARM="
1372 armv5te
1373 armv6
1374 armv6t2
1375 armv8
1376 neon
1377 vfp
1378 vfpv3
1379 "
1380
1381 ARCH_EXT_LIST_X86_SIMD="
1382 amd3dnow
1383 amd3dnowext
1384 avx
1385 avx2
1386 fma3
1387 fma4
1388 mmx
1389 mmxext
1390 sse
1391 sse2
1392 sse3
1393 sse4
1394 sse42
1395 ssse3
1396 xop
1397 "
1398
1399 ARCH_EXT_LIST_PPC="
1400 altivec
1401 dcbzl
1402 ldbrx
1403 power8
1404 ppc4xx
1405 vsx
1406 "
1407
1408 ARCH_EXT_LIST_X86="
1409 $ARCH_EXT_LIST_X86_SIMD
1410 cpunop
1411 i686
1412 "
1413
1414 ARCH_EXT_LIST_MIPS="
1415 loongson
1416 mips32r1
1417 mips64r1
1418 mips32r2
1419 mips64r2
1420 mips32r6
1421 mips64r6
1422 "
1423
1424 ARCH_EXT_LIST="
1425 $ARCH_EXT_LIST_ARM
1426 $ARCH_EXT_LIST_MIPS
1427 $ARCH_EXT_LIST_PPC
1428 $ARCH_EXT_LIST_X86
1429 vis
1430 "
1431
1432 ARCH_FEATURES="
1433 aligned_stack
1434 fast_64bit
1435 fast_clz
1436 fast_cmov
1437 local_aligned_8
1438 local_aligned_16
1439 simd_align_16
1440 "
1441
1442 BUILTIN_LIST="
1443 atomic_cas_ptr
1444 machine_rw_barrier
1445 MemoryBarrier
1446 mm_empty
1447 rdtsc
1448 sync_val_compare_and_swap
1449 "
1450 HAVE_LIST_CMDLINE="
1451 inline_asm
1452 symver
1453 yasm
1454 "
1455
1456 HAVE_LIST_PUB="
1457 bigendian
1458 fast_unaligned
1459 "
1460
1461 HEADERS_LIST="
1462 AVFoundation_AVFoundation_h
1463 alsa_asoundlib_h
1464 altivec_h
1465 arpa_inet_h
1466 cdio_paranoia_h
1467 cdio_paranoia_paranoia_h
1468 dev_bktr_ioctl_bt848_h
1469 dev_bktr_ioctl_meteor_h
1470 dev_ic_bt8xx_h
1471 dev_video_bktr_ioctl_bt848_h
1472 dev_video_meteor_ioctl_meteor_h
1473 direct_h
1474 dlfcn_h
1475 d3d11_h
1476 dxva_h
1477 gsm_h
1478 io_h
1479 mach_mach_time_h
1480 machine_ioctl_bt848_h
1481 machine_ioctl_meteor_h
1482 malloc_h
1483 poll_h
1484 sndio_h
1485 soundcard_h
1486 sys_mman_h
1487 sys_param_h
1488 sys_resource_h
1489 sys_select_h
1490 sys_soundcard_h
1491 sys_time_h
1492 sys_un_h
1493 sys_videoio_h
1494 unistd_h
1495 valgrind_valgrind_h
1496 windows_h
1497 winsock2_h
1498 "
1499
1500 INTRINSICS_LIST="
1501 intrinsics_neon
1502 "
1503
1504 MATH_FUNCS="
1505 atanf
1506 atan2f
1507 cbrtf
1508 cosf
1509 exp2
1510 exp2f
1511 expf
1512 isinf
1513 isnan
1514 ldexpf
1515 llrint
1516 llrintf
1517 log2
1518 log2f
1519 log10f
1520 lrint
1521 lrintf
1522 powf
1523 rint
1524 round
1525 roundf
1526 sinf
1527 trunc
1528 truncf
1529 "
1530
1531 SYSTEM_FUNCS="
1532 aligned_malloc
1533 clock_gettime
1534 closesocket
1535 CommandLineToArgvW
1536 CoTaskMemFree
1537 CryptGenRandom
1538 dlopen
1539 fcntl
1540 flt_lim
1541 fork
1542 getaddrinfo
1543 gethrtime
1544 getopt
1545 GetProcessAffinityMask
1546 GetProcessMemoryInfo
1547 GetProcessTimes
1548 getrusage
1549 GetSystemTimeAsFileTime
1550 gettimeofday
1551 gmtime_r
1552 inet_aton
1553 isatty
1554 jack_port_get_latency_range
1555 LoadLibrary
1556 localtime_r
1557 mach_absolute_time
1558 MapViewOfFile
1559 memalign
1560 mkstemp
1561 mmap
1562 mprotect
1563 nanosleep
1564 posix_memalign
1565 sched_getaffinity
1566 SetConsoleTextAttribute
1567 setmode
1568 setrlimit
1569 Sleep
1570 strerror_r
1571 sysconf
1572 sysctl
1573 usleep
1574 VirtualAlloc
1575 "
1576
1577 TOOLCHAIN_FEATURES="
1578 as_dn_directive
1579 as_func
1580 as_object_arch
1581 asm_mod_q
1582 attribute_may_alias
1583 attribute_packed
1584 ebp_available
1585 ebx_available
1586 gnu_as
1587 ibm_asm
1588 inline_asm_labels
1589 pragma_deprecated
1590 symver_asm_label
1591 symver_gnu_asm
1592 vfp_args
1593 xform_asm
1594 xmm_clobbers
1595 "
1596
1597 TYPES_LIST="
1598 CONDITION_VARIABLE_Ptr
1599 socklen_t
1600 struct_addrinfo
1601 struct_group_source_req
1602 struct_ip_mreq_source
1603 struct_ipv6_mreq
1604 struct_pollfd
1605 struct_rusage_ru_maxrss
1606 struct_sockaddr_in6
1607 struct_sockaddr_sa_len
1608 struct_sockaddr_storage
1609 struct_v4l2_frmivalenum_discrete
1610 "
1611
1612 HAVE_LIST="
1613 $ARCH_EXT_LIST
1614 $(add_suffix _external $ARCH_EXT_LIST)
1615 $(add_suffix _inline $ARCH_EXT_LIST)
1616 $ARCH_FEATURES
1617 $ATOMICS_LIST
1618 $BUILTIN_LIST
1619 $HAVE_LIST_CMDLINE
1620 $HAVE_LIST_PUB
1621 $HEADERS_LIST
1622 $INTRINSICS_LIST
1623 $MATH_FUNCS
1624 $SYSTEM_FUNCS
1625 $THREADS_LIST
1626 $TOOLCHAIN_FEATURES
1627 $TYPES_LIST
1628 atomics_native
1629 dos_paths
1630 dxva2_lib
1631 libc_msvcrt
1632 libdc1394_1
1633 libdc1394_2
1634 sdl
1635 section_data_rel_ro
1636 threads
1637 vaapi_x11
1638 vdpau_x11
1639 xlib
1640 "
1641
1642 # options emitted with CONFIG_ prefix but not available on the command line
1643 CONFIG_EXTRA="
1644 aandcttables
1645 ac3dsp
1646 audio_frame_queue
1647 audiodsp
1648 blockdsp
1649 bswapdsp
1650 cabac
1651 dirac_parse
1652 dvprofile
1653 faandct
1654 faanidct
1655 fdctdsp
1656 flacdsp
1657 fmtconvert
1658 g722dsp
1659 gcrypt
1660 gmp
1661 golomb
1662 gplv3
1663 h263dsp
1664 h264chroma
1665 h264dsp
1666 h264pred
1667 h264qpel
1668 hpeldsp
1669 huffman
1670 huffyuvdsp
1671 huffyuvencdsp
1672 idctdsp
1673 iirfilter
1674 imdct15
1675 intrax8
1676 iso_media
1677 ividsp
1678 jpegtables
1679 libx262
1680 lgplv3
1681 lpc
1682 lzf
1683 me_cmp
1684 mpeg_er
1685 mpegaudio
1686 mpegaudiodsp
1687 mpegvideo
1688 mpegvideoenc
1689 mss34dsp
1690 pixblockdsp
1691 qpeldsp
1692 qsv
1693 qsvdec
1694 qsvenc
1695 rangecoder
1696 riffdec
1697 riffenc
1698 rtpdec
1699 rtpenc_chain
1700 rv34dsp
1701 sinewin
1702 snappy
1703 startcode
1704 texturedsp
1705 texturedspenc
1706 tpeldsp
1707 videodsp
1708 vp3dsp
1709 vp56dsp
1710 vp8dsp
1711 wma_freqs
1712 wmv2dsp
1713 "
1714
1715 CMDLINE_SELECT="
1716 $ARCH_EXT_LIST
1717 $CONFIG_LIST
1718 $HAVE_LIST_CMDLINE
1719 $THREADS_LIST
1720 asm
1721 cross_compile
1722 debug
1723 extra_warnings
1724 logging
1725 lto
1726 optimizations
1727 rpath
1728 "
1729
1730 PATHS_LIST="
1731 bindir
1732 datadir
1733 docdir
1734 incdir
1735 libdir
1736 mandir
1737 prefix
1738 shlibdir
1739 "
1740
1741 CMDLINE_SET="
1742 $PATHS_LIST
1743 ar
1744 arch
1745 as
1746 build_suffix
1747 cc
1748 objcc
1749 cpu
1750 cross_prefix
1751 custom_allocator
1752 dep_cc
1753 env
1754 extra_version
1755 host_cc
1756 host_cflags
1757 host_ld
1758 host_ldflags
1759 host_libs
1760 host_os
1761 ld
1762 logfile
1763 malloc_prefix
1764 nm
1765 optflags
1766 pkg_config
1767 pkg_config_flags
1768 random_seed
1769 samples
1770 sysinclude
1771 sysroot
1772 target_exec
1773 target_os
1774 target_path
1775 target_samples
1776 toolchain
1777 "
1778
1779 CMDLINE_APPEND="
1780 extra_cflags
1781 extra_objcflags
1782 host_cppflags
1783 "
1784
1785 # code dependency declarations
1786
1787 # architecture extensions
1788
1789 armv5te_deps="arm"
1790 armv6_deps="arm"
1791 armv6t2_deps="arm"
1792 armv8_deps="aarch64"
1793 neon_deps_any="aarch64 arm"
1794 intrinsics_neon_deps="neon"
1795 vfp_deps_any="aarch64 arm"
1796 vfpv3_deps="vfp"
1797
1798 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1799
1800 altivec_deps="ppc"
1801 ppc4xx_deps="ppc"
1802 vsx_deps="altivec"
1803 power8_deps="vsx"
1804
1805 cpunop_deps="i686"
1806 x86_64_select="i686"
1807 x86_64_suggest="fast_cmov"
1808
1809 amd3dnow_deps="mmx"
1810 amd3dnowext_deps="amd3dnow"
1811 i686_deps="x86"
1812 mmx_deps="x86"
1813 mmxext_deps="mmx"
1814 sse_deps="mmxext"
1815 sse2_deps="sse"
1816 sse3_deps="sse2"
1817 ssse3_deps="sse3"
1818 sse4_deps="ssse3"
1819 sse42_deps="sse4"
1820 avx_deps="sse42"
1821 xop_deps="avx"
1822 fma3_deps="avx"
1823 fma4_deps="avx"
1824 avx2_deps="avx"
1825
1826 mmx_external_deps="yasm"
1827 mmx_inline_deps="inline_asm"
1828 mmx_suggest="mmx_external mmx_inline"
1829
1830 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1831 eval dep=\$${ext}_deps
1832 eval ${ext}_external_deps='"${dep}_external"'
1833 eval ${ext}_inline_deps='"${dep}_inline"'
1834 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1835 done
1836
1837 aligned_stack_if_any="aarch64 ppc x86"
1838 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1839 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1840 fast_unaligned_if_any="aarch64 ppc x86"
1841 simd_align_16_if_any="altivec neon sse"
1842
1843 # system capabilities
1844 symver_if_any="symver_asm_label symver_gnu_asm"
1845 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
1846
1847 # threading support
1848 atomics_gcc_if="sync_val_compare_and_swap"
1849 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1850 atomics_win32_if="MemoryBarrier"
1851 atomics_native_if_any="$ATOMICS_LIST"
1852 w32threads_deps="atomics_native"
1853 threads_if_any="$THREADS_LIST"
1854
1855 # subsystems
1856 dct_select="rdft"
1857 dirac_parse_select="golomb"
1858 error_resilience_select="me_cmp"
1859 faandct_deps="faan fdctdsp"
1860 faanidct_deps="faan idctdsp"
1861 h264dsp_select="startcode"
1862 intrax8_select="error_resilience"
1863 mdct_select="fft"
1864 rdft_select="fft"
1865 me_cmp_select="fdctdsp idctdsp pixblockdsp"
1866 mpeg_er_select="error_resilience"
1867 mpegaudio_select="mpegaudiodsp"
1868 mpegaudiodsp_select="dct"
1869 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp mpeg_er videodsp"
1870 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
1871 nvenc_deps_any="dlopen LoadLibrary"
1872 nvenc_extralibs='$ldl'
1873 qsvdec_select="qsv"
1874 qsvenc_select="qsv"
1875
1876 # decoders / encoders
1877 aac_decoder_select="imdct15 mdct sinewin"
1878 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
1879 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1880 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
1881 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1882 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
1883 adpcm_g722_decoder_select="g722dsp"
1884 adpcm_g722_encoder_select="g722dsp"
1885 aic_decoder_select="golomb idctdsp"
1886 alac_encoder_select="lpc"
1887 als_decoder_select="bswapdsp"
1888 amrnb_decoder_select="lsp"
1889 amrwb_decoder_select="lsp"
1890 amv_decoder_select="sp5x_decoder"
1891 ape_decoder_select="bswapdsp"
1892 asv1_decoder_select="blockdsp bswapdsp idctdsp"
1893 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
1894 asv2_decoder_select="blockdsp bswapdsp idctdsp"
1895 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
1896 atrac1_decoder_select="mdct sinewin"
1897 atrac3_decoder_select="mdct"
1898 atrac3p_decoder_select="mdct sinewin"
1899 bink_decoder_select="blockdsp hpeldsp"
1900 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
1901 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
1902 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
1903 cllc_decoder_select="bswapdsp"
1904 comfortnoise_encoder_select="lpc"
1905 cook_decoder_select="audiodsp mdct sinewin"
1906 cscd_decoder_select="lzo"
1907 cscd_decoder_suggest="zlib"
1908 dca_decoder_select="fmtconvert mdct"
1909 dds_decoder_select="texturedsp"
1910 dnxhd_decoder_select="blockdsp idctdsp"
1911 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
1912 dvvideo_decoder_select="dvprofile idctdsp"
1913 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
1914 dxa_decoder_deps="zlib"
1915 dxv_decoder_select="lzf texturedsp"
1916 eac3_decoder_select="ac3_decoder"
1917 eac3_encoder_select="ac3_encoder"
1918 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
1919 eatgq_decoder_select="aandcttables idctdsp"
1920 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
1921 exr_decoder_deps="zlib"
1922 ffv1_decoder_select="golomb rangecoder"
1923 ffv1_encoder_select="rangecoder"
1924 ffvhuff_decoder_select="huffyuv_decoder"
1925 ffvhuff_encoder_select="huffyuv_encoder"
1926 fic_decoder_select="golomb"
1927 flac_decoder_select="flacdsp golomb"
1928 flac_encoder_select="bswapdsp flacdsp golomb lpc"
1929 flashsv_decoder_deps="zlib"
1930 flashsv_encoder_deps="zlib"
1931 flashsv2_decoder_deps="zlib"
1932 flv_decoder_select="h263_decoder"
1933 flv_encoder_select="h263_encoder"
1934 fourxm_decoder_select="blockdsp bswapdsp"
1935 fraps_decoder_select="bswapdsp huffman"
1936 g2m_decoder_deps="zlib"
1937 g2m_decoder_select="blockdsp idctdsp jpegtables"
1938 h261_decoder_select="mpeg_er mpegvideo"
1939 h261_encoder_select="aandcttables mpegvideoenc"
1940 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
1941 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1942 h263i_decoder_select="h263_decoder"
1943 h263p_encoder_select="h263_encoder"
1944 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel videodsp"
1945 h264_decoder_suggest="error_resilience"
1946 h264_nvenc_encoder_deps="nvenc"
1947 h264_qsv_decoder_deps="libmfx"
1948 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
1949 h264_qsv_encoder_deps="libmfx"
1950 h264_qsv_encoder_select="qsvenc"
1951 hap_decoder_select="snappy texturedsp"
1952 hap_encoder_deps="libsnappy"
1953 hap_encoder_select="texturedspenc"
1954 hevc_decoder_select="bswapdsp cabac golomb videodsp"
1955 hevc_nvenc_encoder_deps="nvenc"
1956 hevc_qsv_encoder_deps="libmfx"
1957 hevc_qsv_decoder_deps="libmfx"
1958 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
1959 hevc_qsv_encoder_select="qsvenc"
1960 huffyuv_decoder_select="bswapdsp huffyuvdsp"
1961 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
1962 iac_decoder_select="imc_decoder"
1963 imc_decoder_select="bswapdsp fft mdct sinewin"
1964 indeo3_decoder_select="hpeldsp"
1965 indeo4_decoder_select="ividsp"
1966 indeo5_decoder_select="ividsp"
1967 interplay_video_decoder_select="hpeldsp"
1968 jpegls_decoder_select="golomb mjpeg_decoder"
1969 jpegls_encoder_select="golomb"
1970 jv_decoder_select="blockdsp"
1971 lagarith_decoder_select="huffyuvdsp"
1972 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
1973 loco_decoder_select="golomb"
1974 mdec_decoder_select="blockdsp idctdsp mpegvideo"
1975 metasound_decoder_select="lsp mdct sinewin"
1976 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
1977 mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
1978 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
1979 mjpegb_decoder_select="mjpeg_decoder"
1980 mlp_decoder_select="mlp_parser"
1981 motionpixels_decoder_select="bswapdsp"
1982 mp1_decoder_select="mpegaudio"
1983 mp1float_decoder_select="mpegaudio"
1984 mp2_decoder_select="mpegaudio"
1985 mp2float_decoder_select="mpegaudio"
1986 mp3_decoder_select="mpegaudio"
1987 mp3adu_decoder_select="mpegaudio"
1988 mp3adufloat_decoder_select="mpegaudio"
1989 mp3float_decoder_select="mpegaudio"
1990 mp3on4_decoder_select="mpegaudio"
1991 mp3on4float_decoder_select="mpegaudio"
1992 mpc7_decoder_select="bswapdsp mpegaudiodsp"
1993 mpc8_decoder_select="mpegaudiodsp"
1994 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1995 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1996 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
1997 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1998 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
1999 mpeg2video_encoder_select="aandcttables mpegvideoenc"
2000 mpeg2_qsv_decoder_deps="libmfx"
2001 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel mpegvideo_parser"
2002 mpeg2_qsv_encoder_deps="libmfx"
2003 mpeg2_qsv_encoder_select="qsvenc"
2004 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2005 mpeg4_encoder_select="h263_encoder"
2006 msa1_decoder_select="mss34dsp"
2007 msmpeg4v1_decoder_select="h263_decoder"
2008 msmpeg4v2_decoder_select="h263_decoder"
2009 msmpeg4v2_encoder_select="h263_encoder"
2010 msmpeg4v3_decoder_select="h263_decoder"
2011 msmpeg4v3_encoder_select="h263_encoder"
2012 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
2013 mts2_decoder_select="mss34dsp"
2014 mxpeg_decoder_select="mjpeg_decoder"
2015 nellymoser_decoder_select="mdct sinewin"
2016 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2017 nuv_decoder_select="idctdsp lzo"
2018 nvenc_h264_encoder_deps="nvenc"
2019 nvenc_hevc_encoder_deps="nvenc"
2020 on2avc_decoder_select="mdct"
2021 opus_decoder_deps="avresample"
2022 opus_decoder_select="imdct15"
2023 png_decoder_deps="zlib"
2024 png_encoder_deps="zlib"
2025 png_encoder_select="huffyuvencdsp"
2026 prores_decoder_select="idctdsp"
2027 prores_encoder_select="fdctdsp"
2028 qcelp_decoder_select="lsp"
2029 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2030 ra_144_encoder_select="audio_frame_queue lpc"
2031 ralf_decoder_select="golomb"
2032 rscc_decoder_deps="zlib"
2033 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2034 rv10_encoder_select="h263_encoder"
2035 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2036 rv20_encoder_select="h263_encoder"
2037 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2038 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2039 screenpresso_decoder_deps="zlib"
2040 shorten_decoder_select="golomb"
2041 sipr_decoder_select="lsp"
2042 sp5x_decoder_select="mjpeg_decoder"
2043 svq1_decoder_select="hpeldsp"
2044 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2045 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2046 svq3_decoder_suggest="zlib"
2047 tak_decoder_select="audiodsp"
2048 tdsc_decoder_deps="zlib"
2049 tdsc_decoder_select="mjpeg_decoder"
2050 theora_decoder_select="vp3_decoder"
2051 thp_decoder_select="mjpeg_decoder"
2052 tiff_decoder_suggest="zlib"
2053 tiff_encoder_suggest="zlib"
2054 truehd_decoder_select="mlp_decoder"
2055 truemotion2_decoder_select="bswapdsp"
2056 truespeech_decoder_select="bswapdsp"
2057 tscc_decoder_deps="zlib"
2058 txd_decoder_select="texturedsp"
2059 twinvq_decoder_select="mdct lsp sinewin"
2060 utvideo_decoder_select="bswapdsp"
2061 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2062 vble_decoder_select="huffyuvdsp"
2063 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
2064 vc1image_decoder_select="vc1_decoder"
2065 vorbis_decoder_select="mdct"
2066 vorbis_encoder_select="mdct"
2067 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2068 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2069 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2070 vp6a_decoder_select="vp6_decoder"
2071 vp6f_decoder_select="vp6_decoder"
2072 vp7_decoder_select="h264pred videodsp vp8dsp"
2073 vp8_decoder_select="h264pred videodsp vp8dsp"
2074 vp9_decoder_select="videodsp"
2075 webp_decoder_select="vp8_decoder"
2076 wmapro_decoder_select="mdct sinewin wma_freqs"
2077 wmav1_decoder_select="mdct sinewin wma_freqs"
2078 wmav1_encoder_select="mdct sinewin wma_freqs"
2079 wmav2_decoder_select="mdct sinewin wma_freqs"
2080 wmav2_encoder_select="mdct sinewin wma_freqs"
2081 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2082 wmv1_decoder_select="h263_decoder"
2083 wmv1_encoder_select="h263_encoder"
2084 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2085 wmv2_encoder_select="h263_encoder wmv2dsp"
2086 wmv3_decoder_select="vc1_decoder"
2087 wmv3image_decoder_select="wmv3_decoder"
2088 zerocodec_decoder_deps="zlib"
2089 zlib_decoder_deps="zlib"
2090 zlib_encoder_deps="zlib"
2091 zmbv_decoder_deps="zlib"
2092 zmbv_encoder_deps="zlib"
2093
2094 # hardware accelerators
2095 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2096 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2097 vaapi_deps="va_va_h"
2098 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2099 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2100 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2101
2102 h263_vaapi_hwaccel_deps="vaapi"
2103 h263_vaapi_hwaccel_select="h263_decoder"
2104 h264_d3d11va_hwaccel_deps="d3d11va"
2105 h264_d3d11va_hwaccel_select="h264_decoder"
2106 h264_dxva2_hwaccel_deps="dxva2"
2107 h264_dxva2_hwaccel_select="h264_decoder"
2108 h264_mmal_decoder_deps="mmal"
2109 h264_mmal_hwaccel_deps="mmal"
2110 h264_mmal_decoder_select="h264_decoder"
2111 h264_mmal_encoder_deps="mmal"
2112 h264_qsv_hwaccel_deps="libmfx"
2113 h264_vaapi_hwaccel_deps="vaapi"
2114 h264_vaapi_hwaccel_select="h264_decoder"
2115 h264_vda_hwaccel_deps="vda"
2116 h264_vda_hwaccel_select="h264_decoder"
2117 h264_vda_old_hwaccel_deps="vda"
2118 h264_vda_old_hwaccel_select="h264_decoder"
2119 h264_vdpau_hwaccel_deps="vdpau"
2120 h264_vdpau_hwaccel_select="h264_decoder"
2121 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2122 hevc_d3d11va_hwaccel_select="hevc_decoder"
2123 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2124 hevc_dxva2_hwaccel_select="hevc_decoder"
2125 hevc_qsv_hwaccel_deps="libmfx"
2126 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2127 hevc_vdpau_hwaccel_select="hevc_decoder"
2128 mpeg1_vdpau_hwaccel_deps="vdpau"
2129 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2130 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2131 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2132 mpeg2_dxva2_hwaccel_deps="dxva2"
2133 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2134 mpeg2_qsv_hwaccel_deps="libmfx"
2135 mpeg2_vaapi_hwaccel_deps="vaapi"
2136 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2137 mpeg2_vdpau_hwaccel_deps="vdpau"
2138 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2139 mpeg4_vaapi_hwaccel_deps="vaapi"
2140 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2141 mpeg4_vdpau_hwaccel_deps="vdpau"
2142 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2143 vc1_d3d11va_hwaccel_deps="d3d11va"
2144 vc1_d3d11va_hwaccel_select="vc1_decoder"
2145 vc1_dxva2_hwaccel_deps="dxva2"
2146 vc1_dxva2_hwaccel_select="vc1_decoder"
2147 vc1_vaapi_hwaccel_deps="vaapi"
2148 vc1_vaapi_hwaccel_select="vc1_decoder"
2149 vc1_vdpau_hwaccel_deps="vdpau"
2150 vc1_vdpau_hwaccel_select="vc1_decoder"
2151 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2152 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2153 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2154 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2155
2156 # parsers
2157 h264_parser_select="h264_decoder"
2158 hevc_parser_select="golomb"
2159 mpegvideo_parser_select="mpegvideo"
2160 mpeg4video_parser_select="error_resilience h263dsp mpegvideo qpeldsp"
2161 vc1_parser_select="mpegvideo startcode vc1_decoder"
2162
2163 # bitstream_filters
2164 mjpeg2jpeg_bsf_select="jpegtables"
2165
2166 # external libraries
2167 libdcadec_decoder_deps="libdcadec"
2168 libfaac_encoder_deps="libfaac"
2169 libfaac_encoder_select="audio_frame_queue"
2170 libfdk_aac_decoder_deps="libfdk_aac"
2171 libfdk_aac_encoder_deps="libfdk_aac"
2172 libfdk_aac_encoder_select="audio_frame_queue"
2173 libgsm_decoder_deps="libgsm"
2174 libgsm_encoder_deps="libgsm"
2175 libgsm_ms_decoder_deps="libgsm"
2176 libgsm_ms_encoder_deps="libgsm"
2177 libilbc_decoder_deps="libilbc"
2178 libilbc_encoder_deps="libilbc"
2179 libkvazaar_encoder_deps="libkvazaar"
2180 libmp3lame_encoder_deps="libmp3lame"
2181 libmp3lame_encoder_select="audio_frame_queue"
2182 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2183 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2184 libopencore_amrnb_encoder_select="audio_frame_queue"
2185 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2186 libopenh264_encoder_deps="libopenh264"
2187 libopenjpeg_decoder_deps="libopenjpeg"
2188 libopenjpeg_encoder_deps="libopenjpeg"
2189 libopus_decoder_deps="libopus"
2190 libopus_encoder_deps="libopus"
2191 libopus_encoder_select="audio_frame_queue"
2192 libschroedinger_decoder_deps="libschroedinger"
2193 libschroedinger_encoder_deps="libschroedinger"
2194 libspeex_decoder_deps="libspeex"
2195 libspeex_encoder_deps="libspeex"
2196 libspeex_encoder_select="audio_frame_queue"
2197 libtheora_encoder_deps="libtheora"
2198 libtwolame_encoder_deps="libtwolame"
2199 libvo_aacenc_encoder_deps="libvo_aacenc"
2200 libvo_aacenc_encoder_select="audio_frame_queue"
2201 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2202 libvorbis_encoder_deps="libvorbis"
2203 libvorbis_encoder_select="audio_frame_queue"
2204 libvpx_vp8_decoder_deps="libvpx"
2205 libvpx_vp8_encoder_deps="libvpx"
2206 libvpx_vp9_decoder_deps="libvpx"
2207 libvpx_vp9_encoder_deps="libvpx"
2208 libwavpack_encoder_deps="libwavpack"
2209 libwebp_encoder_deps="libwebp"
2210 libx262_encoder_deps="libx262"
2211 libx264_encoder_deps="libx264"
2212 libx265_encoder_deps="libx265"
2213 libxavs_encoder_deps="libxavs"
2214 libxvid_encoder_deps="libxvid"
2215
2216 # demuxers / muxers
2217 ac3_demuxer_select="ac3_parser"
2218 asf_demuxer_select="riffdec"
2219 asf_muxer_select="riffenc"
2220 asf_stream_muxer_select="asf_muxer"
2221 avi_demuxer_select="iso_media riffdec"
2222 avi_muxer_select="riffenc"
2223 avisynth_demuxer_deps="avisynth"
2224 avisynth_demuxer_select="riffdec"
2225 caf_demuxer_select="iso_media riffdec"
2226 dash_muxer_select="mp4_muxer"
2227 dirac_demuxer_select="dirac_parser"
2228 dv_demuxer_select="dvprofile"
2229 dv_muxer_select="dvprofile"
2230 dxa_demuxer_select="riffdec"
2231 eac3_demuxer_select="ac3_parser"
2232 f4v_muxer_select="mov_muxer"
2233 flac_demuxer_select="flac_parser"
2234 hds_muxer_select="flv_muxer"
2235 hls_muxer_select="mpegts_muxer"
2236 ipod_muxer_select="mov_muxer"
2237 ismv_muxer_select="mov_muxer"
2238 matroska_audio_muxer_select="matroska_muxer"
2239 matroska_demuxer_select="iso_media riffdec"
2240 matroska_demuxer_suggest="bzlib lzo zlib"
2241 matroska_muxer_select="iso_media riffenc"
2242 mmf_muxer_select="riffenc"
2243 mov_demuxer_select="iso_media riffdec"
2244 mov_demuxer_suggest="zlib"
2245 mov_muxer_select="iso_media riffenc rtpenc_chain"
2246 mp3_demuxer_select="mpegaudio_parser"
2247 mp4_muxer_select="mov_muxer"
2248 mpegts_demuxer_select="iso_media"
2249 mpegts_muxer_select="adts_muxer latm_muxer"
2250 mpegtsraw_demuxer_select="mpegts_demuxer"
2251 mxf_d10_muxer_select="mxf_muxer"
2252 nut_muxer_select="riffenc"
2253 nuv_demuxer_select="riffdec"
2254 oga_muxer_select="ogg_muxer"
2255 ogg_demuxer_select="dirac_parse"
2256 opus_muxer_select="ogg_muxer"
2257 psp_muxer_select="mov_muxer"
2258 rtp_demuxer_select="sdp_demuxer"
2259 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2260 rtsp_demuxer_select="http_protocol rtpdec"
2261 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2262 sap_demuxer_select="sdp_demuxer"
2263 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2264 sdp_demuxer_select="rtpdec"
2265 smoothstreaming_muxer_select="ismv_muxer"
2266 spdif_muxer_select="aac_parser"
2267 spx_muxer_select="ogg_muxer"
2268 swf_demuxer_suggest="zlib"
2269 tak_demuxer_select="tak_parser"
2270 tg2_muxer_select="mov_muxer"
2271 tgp_muxer_select="mov_muxer"
2272 w64_demuxer_select="wav_demuxer"
2273 wav_demuxer_select="riffdec"
2274 wav_muxer_select="riffenc"
2275 webm_muxer_select="iso_media riffenc"
2276 webm_muxer_suggest="libopus_encoder libvorbis_encoder libvpx_vp8_encoder libvpx_vp9_encoder"
2277 wtv_demuxer_select="mpegts_demuxer riffdec"
2278 xmv_demuxer_select="riffdec"
2279 xwma_demuxer_select="riffdec"
2280
2281 # indevs / outdevs
2282 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2283 alsa_outdev_deps="alsa_asoundlib_h"
2284 avfoundation_indev_deps="AVFoundation_AVFoundation_h"
2285 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2286 dv1394_indev_deps="dv1394"
2287 dv1394_indev_select="dv_demuxer"
2288 fbdev_indev_deps="linux_fb_h"
2289 jack_indev_deps="jack_jack_h pthreads"
2290 libcdio_indev_deps="libcdio"
2291 libdc1394_indev_deps="libdc1394"
2292 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2293 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2294 pulse_indev_deps="libpulse"
2295 sndio_indev_deps="sndio_h"
2296 sndio_outdev_deps="sndio_h"
2297 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2298 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2299 vfwcap_indev_extralibs="-lavicap32"
2300 x11grab_indev_deps="x11grab"
2301 x11grab_xcb_indev_deps="libxcb"
2302
2303 # protocols
2304 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2305 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2306 ffrtmpcrypt_protocol_select="tcp_protocol"
2307 ffrtmphttp_protocol_deps="!librtmp_protocol"
2308 ffrtmphttp_protocol_select="http_protocol"
2309 gopher_protocol_select="network"
2310 http_protocol_select="tcp_protocol"
2311 httpproxy_protocol_select="tcp_protocol"
2312 https_protocol_select="tls_protocol"
2313 icecast_protocol_select="http_protocol"
2314 librtmp_protocol_deps="librtmp"
2315 librtmpe_protocol_deps="librtmp"
2316 librtmps_protocol_deps="librtmp"
2317 librtmpt_protocol_deps="librtmp"
2318 librtmpte_protocol_deps="librtmp"
2319 mmsh_protocol_select="http_protocol"
2320 mmst_protocol_select="network"
2321 rtmp_protocol_deps="!librtmp_protocol"
2322 rtmp_protocol_select="tcp_protocol"
2323 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2324 rtmps_protocol_deps="!librtmp_protocol"
2325 rtmps_protocol_select="tls_protocol"
2326 rtmpt_protocol_select="ffrtmphttp_protocol"
2327 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2328 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2329 rtp_protocol_select="udp_protocol"
2330 sctp_protocol_deps="struct_sctp_event_subscribe"
2331 sctp_protocol_select="network"
2332 srtp_protocol_select="rtp_protocol"
2333 tcp_protocol_select="network"
2334 tls_gnutls_protocol_deps="gnutls"
2335 tls_gnutls_protocol_select="tcp_protocol"
2336 tls_openssl_protocol_deps="openssl !tls_gnutls_protocol"
2337 tls_openssl_protocol_select="tcp_protocol"
2338 tls_protocol_deps_any="tls_gnutls_protocol tls_openssl_protocol"
2339 udp_protocol_select="network"
2340 unix_protocol_deps="sys_un_h"
2341 unix_protocol_select="network"
2342
2343 # filters
2344 blackframe_filter_deps="gpl"
2345 boxblur_filter_deps="gpl"
2346 bs2b_filter_deps="libbs2b"
2347 cropdetect_filter_deps="gpl"
2348 delogo_filter_deps="gpl"
2349 drawtext_filter_deps="libfreetype"
2350 frei0r_filter_deps="frei0r dlopen"
2351 frei0r_filter_extralibs='$ldl'
2352 frei0r_src_filter_deps="frei0r dlopen"
2353 frei0r_src_filter_extralibs='$ldl'
2354 hqdn3d_filter_deps="gpl"
2355 hwupload_cuda_filter_deps="cuda"
2356 interlace_filter_deps="gpl"
2357 ocv_filter_deps="libopencv"
2358 resample_filter_deps="avresample"
2359 scale_filter_deps="swscale"
2360
2361 # examples
2362 avcodec_example_deps="avcodec avutil"
2363 filter_audio_example_deps="avfilter avutil"
2364 metadata_example_deps="avformat avutil"
2365 output_example_deps="avcodec avformat avutil swscale"
2366 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2367 transcode_aac_example_deps="avcodec avformat avresample"
2368
2369 # libraries, in linking order
2370 avcodec_deps="avutil"
2371 avdevice_deps="avformat avcodec avutil"
2372 avfilter_deps="avutil"
2373 avformat_deps="avcodec avutil"
2374 avresample_deps="avutil"
2375 swscale_deps="avutil"
2376
2377 # programs
2378 avconv_deps="avcodec avfilter avformat avresample swscale"
2379 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2380 fps_filter null_filter resample_filter scale_filter
2381 setpts_filter trim_filter"
2382 avplay_deps="avcodec avfilter avformat avresample sdl"
2383 avplay_libs='$sdl_libs'
2384 avplay_select="rdft format_filter transpose_filter hflip_filter vflip_filter"
2385 avprobe_deps="avcodec avformat"
2386
2387 # documentation
2388 pod2man_deps="doc"
2389 texi2html_deps="doc"
2390
2391 # default parameters
2392
2393 logfile="config.log"
2394
2395 # installation paths
2396 prefix_default="/usr/local"
2397 bindir_default='${prefix}/bin'
2398 datadir_default='${prefix}/share/avconv'
2399 docdir_default='${prefix}/share/doc/libav'
2400 incdir_default='${prefix}/include'
2401 libdir_default='${prefix}/lib'
2402 mandir_default='${prefix}/share/man'
2403 shlibdir_default="$libdir_default"
2404
2405 # toolchain
2406 ar_default="ar"
2407 cc_default="gcc"
2408 host_cc_default="gcc"
2409 cp_f="cp -f"
2410 ln_s="ln -s -f"
2411 nm_default="nm -g"
2412 objformat="elf"
2413 pkg_config_default=pkg-config
2414 ranlib="ranlib"
2415 strip="strip"
2416 yasmexe="yasm"
2417
2418 # machine
2419 arch_default=$(uname -m)
2420 cpu="generic"
2421 intrinsics="none"
2422
2423 # OS
2424 target_os_default=$(tolower $(uname -s))
2425 host_os=$target_os_default
2426
2427 # configurable options
2428 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2429
2430 enable asm
2431 enable debug
2432 enable doc
2433 enable faan faandct faanidct
2434 enable optimizations
2435 enable safe_bitstream_reader
2436 enable static
2437 enable swscale_alpha
2438 enable valgrind_backtrace
2439
2440 # By default, enable only those hwaccels that have no external dependencies.
2441 enable d3d11va dxva2 vda vdpau
2442
2443 # build settings
2444 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2445 LIBPREF="lib"
2446 LIBSUF=".a"
2447 FULLNAME='$(NAME)$(BUILDSUF)'
2448 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2449 SLIBPREF="lib"
2450 SLIBSUF=".so"
2451 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2452 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2453 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2454 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2455 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2456 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2457
2458 asflags_filter=echo
2459 cflags_filter=echo
2460 ldflags_filter=echo
2461
2462 AS_C='-c'
2463 AS_O='-o $@'
2464 CC_C='-c'
2465 CC_E='-E -o $@'
2466 CC_O='-o $@'
2467 OBJCC_C='-c'
2468 OBJCC_E='-E -o $@'
2469 OBJCC_O='-o $@'
2470 LD_O='-o $@'
2471 LD_LIB='-l%'
2472 LD_PATH='-L'
2473 HOSTCC_C='-c'
2474 HOSTCC_E='-E -o $@'
2475 HOSTCC_O='-o $@'
2476 HOSTLD_O='-o $@'
2477
2478 host_libs='-lm'
2479 host_cflags_filter=echo
2480 host_ldflags_filter=echo
2481
2482 target_path='$(CURDIR)'
2483
2484 # since the object filename is not given with the -MM flag, the compiler
2485 # is only able to print the basename, and we must add the path ourselves
2486 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2487 DEPFLAGS='-MM'
2488
2489 # find source path
2490 if test -f configure; then
2491 source_path=.
2492 else
2493 source_path=$(cd $(dirname "$0"); pwd)
2494 echo "$source_path" | grep -q '[[:blank:]]' &&
2495 die "Out of tree builds are impossible with whitespace in source path."
2496 test -e "$source_path/config.h" &&
2497 die "Out of tree builds are impossible with config.h in source dir."
2498 fi
2499
2500 for v in "$@"; do
2501 r=${v#*=}
2502 l=${v%"$r"}
2503 r=$(sh_quote "$r")
2504 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2505 done
2506
2507 find_things(){
2508 thing=$1
2509 pattern=$2
2510 file=$source_path/$3
2511 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2512 }
2513
2514 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2515 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2516 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2517 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2518 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2519 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2520 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2521 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2522 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2523 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2524 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2525
2526 ALL_COMPONENTS="
2527 $BSF_LIST
2528 $DECODER_LIST
2529 $DEMUXER_LIST
2530 $ENCODER_LIST
2531 $FILTER_LIST
2532 $HWACCEL_LIST
2533 $INDEV_LIST
2534 $MUXER_LIST
2535 $OUTDEV_LIST
2536 $PARSER_LIST
2537 $PROTOCOL_LIST
2538 "
2539
2540 for n in $COMPONENT_LIST; do
2541 v=$(toupper ${n%s})_LIST
2542 eval enable \$$v
2543 eval ${n}_if_any="\$$v"
2544 done
2545
2546 enable $ARCH_EXT_LIST
2547
2548 die_unknown(){
2549 echo "Unknown option \"$1\"."
2550 echo "See $0 --help for available options."
2551 exit 1
2552 }
2553
2554 print_3_columns() {
2555 printf "%-25s %-25s %-25s\n" $(cat | tr ' ' '\n' | sort)
2556 }
2557
2558 show_list() {
2559 suffix=_$1
2560 shift
2561 echo $* | sed s/$suffix//g | print_3_columns
2562 exit 0
2563 }
2564
2565 rand_list(){
2566 IFS=', '
2567 set -- $*
2568 unset IFS
2569 for thing; do
2570 comp=${thing%:*}
2571 prob=${thing#$comp}
2572 prob=${prob#:}
2573 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2574 echo "prob ${prob:-0.5}"
2575 printf '%s\n' $comp
2576 done
2577 }
2578
2579 do_random(){
2580 action=$1
2581 shift
2582 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2583 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2584 }
2585
2586 for opt do
2587 optval="${opt#*=}"
2588 case "$opt" in
2589 --extra-ldflags=*)
2590 add_ldflags $optval
2591 ;;
2592 --extra-ldexeflags=*)
2593 add_ldexeflags $optval
2594 ;;
2595 --extra-libs=*)
2596 add_extralibs $optval
2597 ;;
2598 --disable-devices)
2599 disable $INDEV_LIST $OUTDEV_LIST
2600 ;;
2601 --enable-debug=*)
2602 debuglevel="$optval"
2603 ;;
2604 --disable-programs)
2605 disable $PROGRAM_LIST
2606 ;;
2607 --disable-everything)
2608 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2609 ;;
2610 --disable-all)
2611 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2612 disable $LIBRARY_LIST $PROGRAM_LIST doc
2613 ;;
2614 --enable-random|--disable-random)
2615 action=${opt%%-random}
2616 do_random ${action#--} $COMPONENT_LIST
2617 ;;
2618 --enable-random=*|--disable-random=*)
2619 action=${opt%%-random=*}
2620 do_random ${action#--} $optval
2621 ;;
2622 --enable-*=*|--disable-*=*)
2623 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2624 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2625 eval list=\$$(toupper $thing)_LIST
2626 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2627 $action $(filter "$name" $list)
2628 ;;
2629 --enable-avserver|--disable-avserver*)
2630 warn "avserver has been removed, the ${opt} option is only"\
2631 "provided for compatibility and will be removed in the future"
2632 ;;
2633 --enable-?*|--disable-?*)
2634 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2635 if is_in $option $COMPONENT_LIST; then
2636 test $action = disable && action=unset
2637 eval $action \$$(toupper ${option%s})_LIST
2638 elif is_in $option $CMDLINE_SELECT; then
2639 $action $option
2640 else
2641 die_unknown $opt
2642 fi
2643 ;;
2644 --list-*)
2645 NAME="${opt#--list-}"
2646 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2647 NAME=${NAME%s}
2648 eval show_list $NAME \$$(toupper $NAME)_LIST
2649 ;;
2650 --help|-h) show_help
2651 ;;
2652 *)
2653 optname="${opt%%=*}"
2654 optname="${optname#--}"
2655 optname=$(echo "$optname" | sed 's/-/_/g')
2656 if is_in $optname $CMDLINE_SET; then
2657 eval $optname='$optval'
2658 elif is_in $optname $CMDLINE_APPEND; then
2659 append $optname "$optval"
2660 else
2661 die_unknown $opt
2662 fi
2663 ;;
2664 esac
2665 done
2666
2667 for e in $env; do
2668 eval "export $e"
2669 done
2670
2671 disabled logging && logfile=/dev/null
2672
2673 # Disable all the library-specific components if the library itself
2674 # is disabled, see AVCODEC_LIST and following _LIST variables.
2675
2676 disable_components(){
2677 disabled ${1} && disable $(
2678 eval components="\$$(toupper ${1})_COMPONENTS"
2679 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
2680 )
2681 }
2682
2683 map 'disable_components $v' $LIBRARY_LIST
2684
2685 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2686 set >> $logfile
2687
2688 case "$toolchain" in
2689 *-asan)
2690 cc_default="${toolchain%-asan}"
2691 add_cflags -fsanitize=address
2692 add_ldflags -fsanitize=address
2693 ;;
2694 *-tsan)
2695 cc_default="${toolchain%-tsan}"
2696 add_cflags -fsanitize=thread -pie
2697 add_ldflags -fsanitize=thread -pie
2698 case "$toolchain" in
2699 gcc-tsan)
2700 add_cflags -fPIC
2701 add_ldflags -fPIC
2702 ;;
2703 esac
2704 ;;
2705 *-usan)
2706 cc_default="${toolchain%-usan}"
2707 add_cflags -fsanitize=undefined
2708 add_ldflags -fsanitize=undefined
2709 case "$toolchain" in
2710 clang-usan)
2711 add_cflags -O1
2712 ;;
2713 esac
2714 ;;
2715 valgrind-*)
2716 target_exec_default="valgrind"
2717 case "$toolchain" in
2718 valgrind-massif)
2719 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2720 ;;
2721 valgrind-memcheck)
2722 target_exec_args="--track-origins=yes --leak-check=full"
2723 ;;
2724 esac
2725 ;;
2726 msvc)
2727 # Check whether the current MSVC version needs the C99 converter.
2728 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2729 # support enough of C99 to build libav. Default to the new
2730 # behaviour if the regexp was unable to match anything, since this
2731 # successfully parses the version number of existing supported
2732 # versions that require the converter (MSVC 2010 and 2012).
2733 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2734 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2735 cc_default="cl"
2736 else
2737 cc_default="c99wrap cl"
2738 fi
2739 ld_default="$source_path/compat/windows/mslink"
2740 nm_default="dumpbin -symbols"
2741 ar_default="lib"
2742 case "$arch" in
2743 arm*)
2744 as_default="armasm"
2745 ;;
2746 esac
2747 target_os_default="win32"
2748 # Use a relative path for TMPDIR. This makes sure all the
2749 # ffconf temp files are written with a relative path, avoiding
2750 # issues with msys/win32 path conversion for MSVC parameters
2751 # such as -Fo<file> or -out:<file>.
2752 TMPDIR=.
2753 ;;
2754 icl)
2755 cc_default="icl"
2756 ld_default="xilink"
2757 nm_default="dumpbin -symbols"
2758 ar_default="xilib"
2759 target_os_default="win32"
2760 TMPDIR=.
2761 ;;
2762 gcov)
2763 add_cflags -fprofile-arcs -ftest-coverage
2764 add_ldflags -fprofile-arcs -ftest-coverage
2765 ;;
2766 hardened)
2767 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
2768 add_cflags -fno-strict-overflow -fstack-protector-all
2769 add_ldflags -Wl,-z,relro -Wl,-z,now
2770 ;;
2771 ?*)
2772 die "Unknown toolchain $toolchain"
2773 ;;
2774 esac
2775
2776 test -n "$cross_prefix" && enable cross_compile
2777
2778 if enabled cross_compile; then
2779 test -n "$arch" && test -n "$target_os" ||
2780 die "Must specify target arch and OS when cross-compiling"
2781 fi
2782
2783 ar_default="${cross_prefix}${ar_default}"
2784 cc_default="${cross_prefix}${cc_default}"
2785 occ_default="${cross_prefix}${occ_default}"
2786 nm_default="${cross_prefix}${nm_default}"
2787 pkg_config_default="${cross_prefix}${pkg_config_default}"
2788 ranlib="${cross_prefix}${ranlib}"
2789 strip="${cross_prefix}${strip}"
2790
2791 sysinclude_default="${sysroot}/usr/include"
2792
2793 set_default arch cc pkg_config sysinclude target_exec target_os
2794 enabled cross_compile || host_cc_default=$cc
2795 set_default host_cc
2796
2797 if ! $pkg_config --version >/dev/null 2>&1; then
2798 warn "$pkg_config not found, library detection may fail."
2799 pkg_config=false
2800 fi
2801
2802 exesuf() {
2803 case $1 in
2804 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2805 esac
2806 }
2807
2808 EXESUF=$(exesuf $target_os)
2809 HOSTEXESUF=$(exesuf $host_os)
2810
2811 # set temporary file name
2812 : ${TMPDIR:=$TEMPDIR}
2813 : ${TMPDIR:=$TMP}
2814 : ${TMPDIR:=/tmp}
2815
2816 if ! check_cmd mktemp -u XXXXXX; then
2817 # simple replacement for missing mktemp
2818 # NOT SAFE FOR GENERAL USE
2819 mktemp(){
2820 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2821 }
2822 fi
2823
2824 tmpfile(){
2825 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2826 (set -C; exec > $tmp) 2>/dev/null ||
2827 die "Unable to create temporary file in $TMPDIR."
2828 append TMPFILES $tmp
2829 eval $1=$tmp
2830 }
2831
2832 trap 'rm -f -- $TMPFILES' EXIT
2833
2834 tmpfile TMPASM .asm
2835 tmpfile TMPC .c
2836 tmpfile TMPE $EXESUF
2837 tmpfile TMPH .h
2838 tmpfile TMPO .o
2839 tmpfile TMPS .S
2840 tmpfile TMPSH .sh
2841 tmpfile TMPV .ver
2842
2843 unset -f mktemp
2844
2845 chmod +x $TMPE
2846
2847 # make sure we can execute files in $TMPDIR
2848 cat > $TMPSH 2>> $logfile <<EOF
2849 #! /bin/sh
2850 EOF
2851 chmod +x $TMPSH >> $logfile 2>&1
2852 if ! $TMPSH >> $logfile 2>&1; then
2853 cat <<EOF
2854 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2855 variable to another directory and make sure that it is not mounted noexec.
2856 EOF
2857 die "Sanity test failed."
2858 fi
2859
2860 armasm_flags(){
2861 for flag; do
2862 case $flag in
2863 # Filter out MSVC cl.exe options from cflags that shouldn't
2864 # be passed to gas-preprocessor
2865 -M[TD]*) ;;
2866 *) echo $flag ;;
2867 esac
2868 done
2869 }
2870
2871 ccc_flags(){
2872 for flag; do
2873 case $flag in
2874 -std=c99) echo -c99 ;;
2875 -mcpu=*) echo -arch ${flag#*=} ;;
2876 -mieee) echo -ieee ;;
2877 -O*|-fast) echo $flag ;;
2878 -fno-math-errno) echo -assume nomath_errno ;;
2879 -g) echo -g3 ;;
2880 -Wall) echo -msg_enable level2 ;;
2881 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2882 -Wl,*) echo $flag ;;
2883 -f*|-W*) ;;
2884 *) echo $flag ;;
2885 esac
2886 done
2887 }
2888
2889 cparser_flags(){
2890 for flag; do
2891 case $flag in
2892 -Wno-switch) echo -Wno-switch-enum ;;
2893 -Wno-format-zero-length) ;;
2894 -Wdisabled-optimization) ;;
2895 -Wno-pointer-sign) echo -Wno-other ;;
2896 *) echo $flag ;;
2897 esac
2898 done
2899 }
2900
2901 msvc_common_flags(){
2902 for flag; do
2903 case $flag in
2904 # In addition to specifying certain flags under the compiler
2905 # specific filters, they must be specified here as well or else the
2906 # generic catch all at the bottom will print the original flag.
2907 -Wall) ;;
2908 -std=c99) ;;
2909 # Common flags
2910 -fomit-frame-pointer) ;;
2911 -g) echo -Z7 ;;
2912 -fno-math-errno) ;;
2913 -fno-common) ;;
2914 -fno-signed-zeros) ;;
2915 -fPIC) ;;
2916 -mthumb) ;;
2917 -march=*) ;;
2918 -lz) echo zlib.lib ;;
2919 -lavifil32) echo vfw32.lib ;;
2920 -lavicap32) echo vfw32.lib user32.lib ;;
2921 -lx264) echo libx264.lib ;;
2922 -l*) echo ${flag#-l}.lib ;;
2923 -L*) echo -libpath:${flag#-L} ;;
2924 *) echo $flag ;;
2925 esac
2926 done
2927 }
2928
2929 msvc_flags(){
2930 msvc_common_flags "$@"
2931 for flag; do
2932 case $flag in
2933 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2934 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2935 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2936 -wd4273 -wd4554 -wd4701 ;;
2937 esac
2938 done
2939 }
2940
2941 icl_flags(){
2942 msvc_common_flags "$@"
2943 for flag; do
2944 case $flag in
2945 # Despite what Intel's documentation says -Wall, which is supported
2946 # on Windows, does enable remarks so disable them here.
2947 -Wall) echo $flag -Qdiag-disable:remark ;;
2948 -std=c99) echo -Qstd=c99 ;;
2949 esac
2950 done
2951 }
2952
2953 pgi_flags(){
2954 for flag; do
2955 case $flag in
2956 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2957 -fomit-frame-pointer) echo -Mnoframe ;;
2958 -g) echo -gopt ;;
2959 *) echo $flag ;;
2960 esac
2961 done
2962 }
2963
2964 suncc_flags(){
2965 for flag; do
2966 case $flag in
2967 -march=*|-mcpu=*)
2968 case "${flag#*=}" in
2969 native) echo -xtarget=native ;;
2970 v9|niagara) echo -xarch=sparc ;;
2971 ultrasparc) echo -xarch=sparcvis ;;
2972 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2973 i586|pentium) echo -xchip=pentium ;;
2974 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2975 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2976 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2977 pentium4*) echo -xtarget=pentium4 ;;
2978 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2979 *-sse3) echo -xarch=sse3 ;;
2980 core2) echo -xarch=ssse3 -xchip=core2 ;;
2981 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2982 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2983 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
2984 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2985 k8|opteron|athlon64|athlon-fx)
2986 echo -xarch=sse2a ;;
2987 athlon*) echo -xarch=pentium_proa ;;
2988 esac
2989 ;;
2990 -std=c99) echo -xc99 ;;
2991 -fomit-frame-pointer) echo -xregs=frameptr ;;
2992 -fPIC) echo -KPIC -xcode=pic32 ;;
2993 -W*,*) echo $flag ;;
2994 -f*-*|-W*|-mimpure-text) ;;
2995 -shared) echo -G ;;
2996 *) echo $flag ;;
2997 esac
2998 done
2999 }
3000
3001 tms470_flags(){
3002 for flag; do
3003 case $flag in
3004 -march=*|-mcpu=*)
3005 case "${flag#*=}" in
3006 armv7-a|cortex-a*) echo -mv=7a8 ;;
3007 armv7-r|cortex-r*) echo -mv=7r4 ;;
3008 armv7-m|cortex-m*) echo -mv=7m3 ;;
3009 armv6*|arm11*) echo -mv=6 ;;
3010 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3011 echo -mv=5e ;;
3012 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3013 esac
3014 ;;
3015 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3016 -mfpu=vfp) echo --float_support=vfpv2 ;;
3017 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3018 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3019 -msoft-float) echo --float_support=vfplib ;;
3020 -O[0-3]|-mf=*) echo $flag ;;
3021 -g) echo -g -mn ;;
3022 -pds=*) echo $flag ;;
3023 -D*|-I*) echo $flag ;;
3024 --gcc|--abi=*) echo $flag ;;
3025 -me) echo $flag ;;
3026 esac
3027 done
3028 }
3029
3030 probe_cc(){
3031 pfx=$1
3032 _cc=$2
3033
3034 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3035 unset _ld_o _ldflags _ld_lib _ld_path
3036 unset _depflags _DEPCMD _DEPFLAGS
3037 _flags_filter=echo
3038
3039 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3040 _type=llvm_gcc
3041 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3042 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3043 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3044 _cflags_speed='-O3'
3045 _cflags_size='-Os'
3046 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3047 _type=gcc
3048 gcc_version=$($_cc --version | head -n1)
3049 gcc_basever=$($_cc -dumpversion)
3050 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3051 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3052 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3053 if ! $_cc -dumpversion | grep -q '^2\.'; then
3054 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3055 fi
3056 _cflags_speed='-O3'
3057 _cflags_size='-Os'
3058 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3059 _type=icc
3060 _ident=$($_cc --version | head -n1)
3061 _depflags='-MMD'
3062 _cflags_speed='-O3'
3063 _cflags_size='-Os'
3064 _cflags_noopt='-O1'
3065 elif $_cc -v 2>&1 | grep -q xlc; then
3066 _type=xlc
3067 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3068 _cflags_speed='-O5'
3069 _cflags_size='-O5 -qcompact'
3070 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3071 _type=ccc
3072 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3073 _DEPFLAGS='-M'
3074 _cflags_speed='-fast'
3075 _cflags_size='-O1'
3076 _flags_filter=ccc_flags
3077 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3078 test -d "$sysroot" || die "No valid sysroot specified."
3079 _type=armcc
3080 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3081 armcc_conf="$PWD/armcc.conf"
3082 $_cc --arm_linux_configure \
3083 --arm_linux_config_file="$armcc_conf" \
3084 --configure_sysroot="$sysroot" \
3085 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3086 die "Error creating armcc configuration file."
3087 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3088 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3089 as_default="${cross_prefix}gcc"
3090 _depflags='-MMD'
3091 _cflags_speed='-O3'
3092 _cflags_size='-Os'
3093 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3094 _type=tms470
3095 _ident=$($_cc -version | head -n1 | tr -s ' ')
3096 _flags='--gcc --abi=eabi -me'
3097 _cc_e='-ppl -fe=$@'
3098 _cc_o='-fe=$@'
3099 _depflags='-ppa -ppd=$(@:.o=.d)'
3100 _cflags_speed='-O3 -mf=5'
3101 _cflags_size='-O3 -mf=2'
3102 _flags_filter=tms470_flags
3103 elif $_cc -v 2>&1 | grep -q clang; then
3104 _type=clang
3105 _ident=$($_cc --version 2>/dev/null | head -n1)
3106 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3107 _cflags_speed='-O3'
3108 _cflags_size='-Os'
3109 elif $_cc -V 2>&1 | grep -q Sun; then
3110 _type=suncc
3111 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3112 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3113 _DEPFLAGS='-xM1 -xc99'
3114 _ldflags='-std=c99'
3115 _cflags_speed='-O5'
3116 _cflags_size='-O5 -xspace'
3117 _flags_filter=suncc_flags
3118 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3119 _type=pathscale
3120 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3121 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3122 _cflags_speed='-O2'
3123 _cflags_size='-Os'
3124 _flags_filter='filter_out -Wdisabled-optimization'
3125 elif $_cc -v 2>&1 | grep -q Open64; then
3126 _type=open64
3127 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3128 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3129 _cflags_speed='-O2'
3130 _cflags_size='-Os'
3131 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3132 elif $_cc -V 2>&1 | grep -q Portland; then
3133 _type=pgi
3134 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3135 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3136 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3137 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3138 _cflags_noopt="-O1"
3139 _flags_filter=pgi_flags
3140 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3141 _type=armasm
3142 _ident=$($_cc | head -n1)
3143 # 4509: "This form of conditional instruction is deprecated"
3144 _flags="-nologo -ignore 4509"
3145 _flags_filter=armasm_flags
3146 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3147 _type=msvc
3148 _ident=$($_cc 2>&1 | head -n1)
3149 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3150 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3151 _cflags_speed="-O2"
3152 _cflags_size="-O1"
3153 if $_cc -nologo- 2>&1 | grep -q Linker; then
3154 _ld_o='-out:$@'
3155 else
3156 _ld_o='-Fe$@'
3157 fi
3158 _cc_o='-Fo$@'
3159 _cc_e='-P -Fi$@'
3160 _flags_filter=msvc_flags
3161 _ld_lib='lib%.a'
3162 _ld_path='-libpath:'
3163 _flags='-nologo'
3164 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS'
3165 elif $_cc 2>&1 | grep -q Intel; then
3166 _type=icl
3167 _ident=$($_cc 2>&1 | head -n1)
3168 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3169 # Not only is O3 broken on 13.x+ but it is slower on all previous
3170 # versions (tested) as well.
3171 _cflags_speed="-O2"
3172 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3173 if $_cc 2>&1 | grep -q Linker; then
3174 _ld_o='-out:$@'
3175 else
3176 _ld_o='-Fe$@'
3177 fi
3178 _cc_o='-Fo$@'
3179 _cc_e='-P'
3180 _flags_filter=icl_flags
3181 _ld_lib='lib%.a'
3182 _ld_path='-libpath:'
3183 # -Qdiag-error to make icl error when seeing certain unknown arguments
3184 _flags='-nologo -Qdiag-error:4044,10157'
3185 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3186 # with MSVC which enables it by default.
3187 _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS'
3188 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3189 _type=cparser
3190 _ident=$($_cc --version | head -n1)
3191 _depflags='-MMD'
3192 _cflags_speed='-O4'
3193 _cflags_size='-O2'
3194 _flags_filter=cparser_flags
3195 fi
3196
3197 eval ${pfx}_type=\$_type
3198 eval ${pfx}_ident=\$_ident
3199 }
3200
3201 set_ccvars(){
3202 eval ${1}_C=\${_cc_c-\${${1}_C}}
3203 eval ${1}_E=\${_cc_e-\${${1}_E}}
3204 eval ${1}_O=\${_cc_o-\${${1}_O}}
3205
3206 if [ -n "$_depflags" ]; then
3207 eval ${1}_DEPFLAGS=\$_depflags
3208 else
3209 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3210 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3211 eval DEP${1}FLAGS=\$_flags
3212 fi
3213 }
3214
3215 probe_cc cc "$cc"
3216 cflags_filter=$_flags_filter
3217 cflags_speed=$_cflags_speed
3218 cflags_size=$_cflags_size
3219 cflags_noopt=$_cflags_noopt
3220 add_cflags $_flags $_cflags
3221 cc_ldflags=$_ldflags
3222 set_ccvars CC
3223
3224 probe_cc hostcc "$host_cc"
3225 host_cflags_filter=$_flags_filter
3226 add_host_cflags $_flags $_cflags
3227 set_ccvars HOSTCC
3228
3229 test -n "$cc_type" && enable $cc_type ||
3230 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3231
3232 : ${as_default:=$cc}
3233 : ${objcc_default:=$cc}
3234 : ${dep_cc_default:=$cc}
3235 : ${ld_default:=$cc}
3236 : ${host_ld_default:=$host_cc}
3237 set_default ar as objcc dep_cc ld host_ld
3238
3239 probe_cc as "$as"
3240 asflags_filter=$_flags_filter
3241 add_asflags $_flags $_cflags
3242 set_ccvars AS
3243
3244 probe_cc objcc "$objcc"
3245 objcflags_filter=$_flags_filter
3246 add_objcflags $_flags $_cflags
3247 set_ccvars OBJC
3248
3249 probe_cc ld "$ld"
3250 ldflags_filter=$_flags_filter
3251 add_ldflags $_flags $_ldflags
3252 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3253 LD_O=${_ld_o-$LD_O}
3254 LD_LIB=${_ld_lib-$LD_LIB}
3255 LD_PATH=${_ld_path-$LD_PATH}
3256
3257 probe_cc hostld "$host_ld"
3258 host_ldflags_filter=$_flags_filter
3259 add_host_ldflags $_flags $_ldflags
3260 HOSTLD_O=${_ld_o-$HOSTLD_O}
3261
3262 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3263 probe_cc depcc "$dep_cc"
3264 CCDEP=${_DEPCMD:-$DEPCMD}
3265 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3266 DEPCCFLAGS=$_flags
3267 fi
3268
3269 if $ar 2>&1 | grep -q Microsoft; then
3270 arflags="-nologo"
3271 ar_o='-out:$@'
3272 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3273 arflags="rq"
3274 ar_o='$@'
3275 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3276 arflags='-Xany -r -c'
3277 ar_o='$@'
3278 else
3279 arflags="rc"
3280 ar_o='$@'
3281 fi
3282
3283 add_cflags $extra_cflags
3284 add_objcflags $extra_objcflags
3285 add_asflags $extra_cflags
3286
3287 if test -n "$sysroot"; then
3288 case "$cc_type" in
3289 gcc|llvm_gcc|clang)
3290 add_cppflags --sysroot="$sysroot"
3291 add_ldflags --sysroot="$sysroot"
3292 ;;
3293 tms470)
3294 add_cppflags -I"$sysinclude"
3295 add_ldflags --sysroot="$sysroot"
3296 ;;
3297 esac
3298 fi
3299
3300 if test "$cpu" = host; then
3301 enabled cross_compile &&
3302 die "--cpu=host makes no sense when cross-compiling."
3303
3304 case "$cc_type" in
3305 gcc|llvm_gcc)
3306 check_native(){
3307 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3308 sed -n "/cc1.*$1=/{
3309 s/.*$1=\\([^ ]*\\).*/\\1/
3310 p
3311 q
3312 }" $TMPE
3313 }
3314 cpu=$(check_native -march || check_native -mcpu)
3315 ;;
3316 esac
3317
3318 test "${cpu:-host}" = host &&
3319 die "--cpu=host not supported with compiler $cc"
3320 fi
3321
3322 # Deal with common $arch aliases
3323 case "$arch" in
3324 aarch64|arm64)
3325 arch="aarch64"
3326 ;;
3327 arm*)
3328 arch="arm"
3329 ;;
3330 mips*|IP*)
3331 case "$arch" in
3332 *el)
3333 add_cppflags -EL
3334 add_ldflags -EL
3335 ;;
3336 *eb)
3337 add_cppflags -EB
3338 add_ldflags -EB
3339 ;;
3340 esac
3341 arch="mips"
3342 ;;
3343 parisc*|hppa*)
3344 arch="parisc"
3345 ;;
3346 "Power Macintosh"|ppc*|powerpc*)
3347 arch="ppc"
3348 ;;
3349 s390|s390x)
3350 arch="s390"
3351 ;;
3352 sh4|sh)
3353 arch="sh4"
3354 ;;
3355 sun4u|sparc*)
3356 arch="sparc"
3357 ;;
3358 tilegx|tile-gx)
3359 arch="tilegx"
3360 ;;
3361 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3362 arch="x86"
3363 ;;
3364 esac
3365
3366 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3367 enable $arch
3368
3369 # Add processor-specific flags
3370 if enabled aarch64; then
3371
3372 case $cpu in
3373 armv*)
3374 cpuflags="-march=$cpu"
3375 ;;
3376 *)
3377 cpuflags="-mcpu=$cpu"
3378 ;;
3379 esac
3380
3381 elif enabled alpha; then
3382
3383 cpuflags="-mcpu=$cpu"
3384
3385 elif enabled arm; then
3386
3387 check_arm_arch() {
3388 check_cpp_condition stddef.h \
3389 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3390 $cpuflags
3391 }
3392
3393 probe_arm_arch() {
3394 if check_arm_arch 4; then echo armv4;
3395 elif check_arm_arch 4T; then echo armv4t;
3396 elif check_arm_arch 5; then echo armv5;
3397 elif check_arm_arch 5E; then echo armv5e;
3398 elif check_arm_arch 5T; then echo armv5t;
3399 elif check_arm_arch 5TE; then echo armv5te;
3400 elif check_arm_arch 5TEJ; then echo armv5te;
3401 elif check_arm_arch 6; then echo armv6;
3402 elif check_arm_arch 6J; then echo armv6j;
3403 elif check_arm_arch 6K; then echo armv6k;
3404 elif check_arm_arch 6Z; then echo armv6z;
3405 elif check_arm_arch 6ZK; then echo armv6zk;
3406 elif check_arm_arch 6T2; then echo armv6t2;
3407 elif check_arm_arch 7; then echo armv7;
3408 elif check_arm_arch 7A 7_A; then echo armv7-a;
3409 elif check_arm_arch 7S; then echo armv7-a;
3410 elif check_arm_arch 7R 7_R; then echo armv7-r;
3411 elif check_arm_arch 7M 7_M; then echo armv7-m;
3412 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3413 elif check_arm_arch 8A 8_A; then echo armv8-a;
3414 fi
3415 }
3416
3417 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3418
3419 case $cpu in
3420 armv*)
3421 cpuflags="-march=$cpu"
3422 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3423 ;;
3424 *)
3425 cpuflags="-mcpu=$cpu"
3426 case $cpu in
3427 cortex-a*) subarch=armv7a ;;
3428 cortex-r*) subarch=armv7r ;;
3429 cortex-m*) enable thumb; subarch=armv7m ;;
3430 arm11*) subarch=armv6 ;;
3431 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3432 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3433 *) subarch=$(probe_arm_arch) ;;
3434 esac
3435 ;;
3436 esac
3437
3438 case "$subarch" in
3439 armv5t*) enable fast_clz ;;
3440 armv[6-8]*) enable fast_clz fast_unaligned ;;
3441 esac
3442
3443 elif enabled avr32; then
3444
3445 case $cpu in
3446 ap7[02]0[0-2])
3447 subarch="avr32_ap"
3448 cpuflags="-mpart=$cpu"
3449 ;;
3450 ap)
3451 subarch="avr32_ap"
3452 cpuflags="-march=$cpu"
3453 ;;
3454 uc3[ab]*)
3455 subarch="avr32_uc"
3456 cpuflags="-mcpu=$cpu"
3457 ;;
3458 uc)
3459 subarch="avr32_uc"
3460 cpuflags="-march=$cpu"
3461 ;;
3462 esac
3463
3464 elif enabled bfin; then
3465
3466 cpuflags="-mcpu=$cpu"
3467
3468 elif enabled mips; then
3469
3470 cpuflags="-march=$cpu"
3471
3472 elif enabled ppc; then
3473
3474 disable ldbrx
3475
3476 case $(tolower $cpu) in
3477 601|ppc601|powerpc601)
3478 cpuflags="-mcpu=601"
3479 disable altivec
3480 ;;
3481 603*|ppc603*|powerpc603*)
3482 cpuflags="-mcpu=603"
3483 disable altivec
3484 ;;
3485 604*|ppc604*|powerpc604*)
3486 cpuflags="-mcpu=604"
3487 disable altivec
3488 ;;
3489 g3|75*|ppc75*|powerpc75*)
3490 cpuflags="-mcpu=750"
3491 disable altivec
3492 ;;
3493 g4|745*|ppc745*|powerpc745*)
3494 cpuflags="-mcpu=7450"
3495 disable vsx
3496 ;;
3497 74*|ppc74*|powerpc74*)
3498 cpuflags="-mcpu=7400"
3499 disable vsx
3500 ;;
3501 g5|970|ppc970|powerpc970)
3502 cpuflags="-mcpu=970"
3503 disable vsx
3504 ;;
3505 power[3-6]*)
3506 cpuflags="-mcpu=$cpu"
3507 disable vsx
3508 ;;
3509 power[7-8]*)
3510 cpuflags="-mcpu=$cpu"
3511 enable ldbrx
3512 ;;
3513 cell)
3514 cpuflags="-mcpu=cell"
3515 enable ldbrx
3516 disable vsx
3517 ;;
3518 e500mc)
3519 cpuflags="-mcpu=e500mc"
3520 disable altivec
3521 ;;
3522 e500v2)
3523 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3524 disable altivec
3525 disable dcbzl
3526 ;;
3527 e500)
3528 cpuflags="-mcpu=8540 -mhard-float"
3529 disable altivec
3530 disable dcbzl
3531 ;;
3532 esac
3533
3534 elif enabled sparc; then
3535
3536 case $cpu in
3537 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3538 cpuflags="-mcpu=$cpu"
3539 ;;
3540 ultrasparc*|niagara[234])
3541 cpuflags="-mcpu=$cpu"
3542 ;;
3543 esac
3544
3545 elif enabled x86; then
3546
3547 case $cpu in
3548 i[345]86|pentium)
3549 cpuflags="-march=$cpu"
3550 disable i686
3551 disable mmx
3552 ;;
3553 # targets that do NOT support nopl and conditional mov (cmov)
3554 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3555 cpuflags="-march=$cpu"
3556 disable i686
3557 ;;
3558 # targets that do support nopl and conditional mov (cmov)
3559 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3560 cpuflags="-march=$cpu"
3561 enable i686
3562 enable fast_cmov
3563 ;;
3564 # targets that do support conditional mov but on which it's slow
3565 pentium4|pentium4m|prescott|nocona)
3566 cpuflags="-march=$cpu"
3567 enable i686
3568 disable fast_cmov
3569 ;;
3570 esac
3571
3572 fi
3573
3574 if [ "$cpu" != generic ]; then
3575 add_cflags $cpuflags
3576 add_asflags $cpuflags
3577 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
3578 fi
3579
3580 # compiler sanity check
3581 check_exec <<EOF
3582 int main(void){ return 0; }
3583 EOF
3584 if test "$?" != 0; then
3585 echo "$cc is unable to create an executable file."
3586 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3587 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3588 echo "Only do this if you know what cross compiling means."
3589 fi
3590 die "C compiler test failed."
3591 fi
3592
3593 add_cppflags -D_ISOC99_SOURCE
3594 check_cflags -std=c99
3595 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3596 #include <stdlib.h>
3597 EOF
3598 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3599 #include <stdlib.h>
3600 EOF
3601
3602 add_host_cppflags -D_ISOC99_SOURCE
3603 check_host_cflags -std=c99
3604 check_host_cflags -Wall
3605 check_host_cflags -O3
3606
3607 check_64bit(){
3608 arch32=$1
3609 arch64=$2
3610 expr=$3
3611 check_code cc "" "int test[2*($expr) - 1]" &&
3612 subarch=$arch64 || subarch=$arch32
3613 }
3614
3615 case "$arch" in
3616 aarch64|alpha|ia64)
3617 spic=$shared
3618 ;;
3619 mips)
3620 check_64bit mips mips64 '_MIPS_SIM > 1'
3621 spic=$shared
3622 ;;
3623 parisc)
3624 check_64bit parisc parisc64 'sizeof(void *) > 4'
3625 spic=$shared
3626 ;;
3627 ppc)
3628 check_64bit ppc ppc64 'sizeof(void *) > 4'
3629 spic=$shared
3630 ;;
3631 s390)
3632 check_64bit s390 s390x 'sizeof(void *) > 4'
3633 spic=$shared
3634 ;;
3635 sparc)
3636 check_64bit sparc sparc64 'sizeof(void *) > 4'
3637 spic=$shared
3638 ;;
3639 x86)
3640 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3641 if test "$subarch" = "x86_64"; then
3642 spic=$shared
3643 fi
3644 ;;
3645 esac
3646
3647 enable $subarch
3648 enabled spic && enable_weak pic
3649
3650 # OS specific
3651 case $target_os in
3652 aix)
3653 SHFLAGS=-shared
3654 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3655 enabled shared && add_ldflags -Wl,-brtl
3656 ;;
3657 android)
3658 disable symver
3659 enable section_data_rel_ro
3660 SLIB_INSTALL_NAME='$(SLIBNAME)'
3661 SLIB_INSTALL_LINKS=
3662 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
3663 ;;
3664 haiku)
3665 prefix_default="/boot/common"
3666 network_extralibs="-lnetwork"
3667 host_libs=
3668 ;;
3669 sunos)
3670 SHFLAGS='-shared -Wl,-h,$$(@F)'
3671 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3672 network_extralibs="-lsocket -lnsl"
3673 # When using suncc to build, the Solaris linker will mark
3674 # an executable with each instruction set encountered by
3675 # the Solaris assembler. As our libraries contain their own
3676 # guards for processor-specific code, instead suppress
3677 # generation of the HWCAPS ELF section on Solaris x86 only.
3678 enabled_all suncc x86 &&
3679 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3680 add_ldflags -Wl,-M,mapfile
3681 nm_default='nm -P -g'
3682 SLIB_CREATE_DEF_CMD='$(Q)perl $(SRC_PATH)/compat/solaris/make_sunver.pl $$(filter %.ver,$$^) $(OBJS) | grep -v @ > $(SUBDIR)lib$(NAME).ver-sol2'
3683 ;;
3684 netbsd)
3685 disable symver
3686 oss_indev_extralibs="-lossaudio"
3687 oss_outdev_extralibs="-lossaudio"
3688 ;;
3689 openbsd|bitrig)
3690 disable symver
3691 SHFLAGS='-shared'
3692 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3693 SLIB_INSTALL_LINKS=
3694 oss_indev_extralibs="-lossaudio"
3695 oss_outdev_extralibs="-lossaudio"
3696 ;;
3697 dragonfly)
3698 disable symver
3699 ;;
3700 freebsd)
3701 ;;
3702 bsd/os)
3703 add_extralibs -lpoll -lgnugetopt
3704 ;;
3705 darwin)
3706 enabled ppc && add_asflags -force_cpusubtype_ALL
3707 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3708 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3709 add_ldflags -Wl,-dynamic,-search_paths_first
3710 SLIBSUF=".dylib"
3711 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3712 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3713 objformat="macho"
3714 enabled x86_64 && objformat="macho64"
3715 enabled_any pic shared ||