swfdec: support compressed swf
[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-frei0r enable frei0r video filtering
183 --enable-gnutls enable gnutls [no]
184 --enable-libbs2b enable bs2b DSP library [no]
185 --enable-libcdio enable audio CD grabbing with libcdio
186 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
187 and libraw1394 [no]
188 --enable-libdcadec enable DCA decoding via libdcadec [no]
189 --enable-libfaac enable AAC encoding via libfaac [no]
190 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
191 --enable-libfreetype enable libfreetype [no]
192 --enable-libgsm enable GSM de/encoding via libgsm [no]
193 --enable-libilbc enable iLBC de/encoding via libilbc [no]
194 --enable-libkvazaar enable HEVC encoding via libkvazaar [no]
195 --enable-libmfx enable HW acceleration through libmfx
196 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
197 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
198 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
199 --enable-libopencv enable video filtering via libopencv [no]
200 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
201 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
202 --enable-libopus enable Opus de/encoding via libopus [no]
203 --enable-libpulse enable Pulseaudio input via libpulse [no]
204 --enable-librtmp enable RTMP[E] support via librtmp [no]
205 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
206 --enable-libsnappy enable Snappy compression [no]
207 --enable-libspeex enable Speex de/encoding via libspeex [no]
208 --enable-libtheora enable Theora encoding via libtheora [no]
209 --enable-libtwolame enable MP2 encoding via libtwolame [no]
210 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
211 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
212 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
213 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
214 --enable-libwavpack enable wavpack encoding via libwavpack [no]
215 --enable-libwebp enable WebP encoding via libwebp [no]
216 --enable-libx264 enable H.264 encoding via x264 [no]
217 --enable-libx265 enable HEVC encoding via x265 [no]
218 --enable-libxavs enable AVS encoding via xavs [no]
219 --enable-libxcb enable X11 grabbing using XCB [no]
220 --enable-libxcb-shm enable X11 grabbing shm communication [auto]
221 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [auto]
222 --enable-libxvid enable Xvid encoding via xvidcore,
223 native MPEG-4/Xvid encoder exists [no]
224 --enable-mmal enable decoding via MMAL [no]
225 --enable-nvenc enable encoding via NVENC [no]
226 --enable-openssl enable openssl [no]
227 --enable-x11grab enable X11 grabbing (legacy) [no]
228 --enable-zlib enable zlib [autodetect]
229
230 Toolchain options:
231 --arch=ARCH select architecture [$arch]
232 --cpu=CPU select the minimum required CPU (affects
233 instruction selection, may crash on older CPUs)
234 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
235 --enable-cross-compile assume a cross-compiler is used
236 --sysroot=PATH root of cross-build tree
237 --sysinclude=PATH location of cross-build system headers
238 --target-os=OS compiler targets OS [$target_os]
239 --target-exec=CMD command to run executables on target
240 --target-path=DIR path to view of build directory on target
241 --target-samples=DIR path to samples directory on target
242 --toolchain=NAME set tool defaults according to NAME
243 --nm=NM use nm tool
244 --ar=AR use archive tool AR [$ar_default]
245 --as=AS use assembler AS [$as_default]
246 --cc=CC use C compiler CC [$cc_default]
247 --objcc=OCC use ObjC compiler OCC [$cc_default]
248 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
249 --ld=LD use linker LD
250 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
251 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
252 --host-cc=HOSTCC use host C compiler HOSTCC
253 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
254 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
255 --host-ld=HOSTLD use host linker HOSTLD
256 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
257 --host-libs=HLIBS use libs HLIBS when linking for host
258 --host-os=OS compiler host OS [$target_os]
259 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
260 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
261 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
262 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
263 --extra-libs=ELIBS add ELIBS [$ELIBS]
264 --extra-version=STRING version string suffix []
265 --optflags=OPTFLAGS override optimization-related compiler flags
266 --build-suffix=SUFFIX library name suffix []
267 --enable-pic build position-independent code
268 --enable-thumb compile for Thumb instruction set
269 --enable-lto use link-time optimization
270 --env="ENV=override" override the environment variables
271
272 Advanced options (experts only):
273 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
274 --custom-allocator=NAME use a supported custom allocator
275 --disable-symver disable symbol versioning
276 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
277 --disable-safe-bitstream-reader
278 disable buffer boundary checking in bitreaders
279 (faster, but may crash)
280 --enable-memalign-hack emulate memalign, interferes with memory debuggers
281 --enable-sram allow use of on-chip SRAM
282
283 Optimization options (experts only):
284 --disable-asm disable all assembly optimizations
285 --disable-altivec disable AltiVec optimizations
286 --disable-vsx disable VSX optimizations
287 --disable-power8 disable POWER8 optimizations
288 --disable-amd3dnow disable 3DNow! optimizations
289 --disable-amd3dnowext disable 3DNow! extended optimizations
290 --disable-mmx disable MMX optimizations
291 --disable-mmxext disable MMXEXT optimizations
292 --disable-sse disable SSE optimizations
293 --disable-sse2 disable SSE2 optimizations
294 --disable-sse3 disable SSE3 optimizations
295 --disable-ssse3 disable SSSE3 optimizations
296 --disable-sse4 disable SSE4 optimizations
297 --disable-sse42 disable SSE4.2 optimizations
298 --disable-avx disable AVX optimizations
299 --disable-xop disable XOP optimizations
300 --disable-fma3 disable FMA3 optimizations
301 --disable-fma4 disable FMA4 optimizations
302 --disable-avx2 disable AVX2 optimizations
303 --disable-armv5te disable armv5te optimizations
304 --disable-armv6 disable armv6 optimizations
305 --disable-armv6t2 disable armv6t2 optimizations
306 --disable-vfp disable VFP optimizations
307 --disable-neon disable NEON optimizations
308 --disable-inline-asm disable use of inline assembly
309 --disable-yasm disable use of nasm/yasm assembly
310
311 Developer options (useful when working on Libav itself):
312 --disable-debug disable debugging symbols
313 --enable-debug=LEVEL set the debug level [$debuglevel]
314 --disable-optimizations disable compiler optimizations
315 --enable-extra-warnings enable more compiler warnings
316 --samples=PATH location of test samples for FATE, if not set use
317 \$LIBAV_SAMPLES at make invocation time.
318 --enable-neon-clobber-test check NEON registers for clobbering (should be
319 used only for debugging purposes)
320 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
321 should be used only for debugging purposes)
322 --enable-random randomly enable/disable components
323 --disable-random
324 --enable-random=LIST randomly enable/disable specific components or
325 --disable-random=LIST component groups. LIST is a comma-separated list
326 of NAME[:PROB] entries where NAME is a component
327 (group) and PROB the probability associated with
328 NAME (default 0.5).
329 --random-seed=VALUE seed value for --enable/disable-random
330 --disable-valgrind-backtrace do not print a backtrace under Valgrind
331 (only applies to --disable-optimizations builds)
332
333 NOTE: Object files are built at the place where configure is launched.
334 EOF
335 exit 0
336 }
337
338 quotes='""'
339
340 log(){
341 echo "$@" >> $logfile
342 }
343
344 log_file(){
345 log BEGIN $1
346 i=1
347 while read line; do
348 printf '%5s %s\n' "${i}" "${line}"
349 i=$(($i+1))
350 done < $1 >> $logfile
351 log END $1
352 }
353
354 echolog(){
355 log "$@"
356 echo "$@"
357 }
358
359 warn(){
360 log "WARNING: $*"
361 WARNINGS="${WARNINGS}WARNING: $*\n"
362 }
363
364 die(){
365 echolog "$@"
366 cat <<EOF
367
368 If you think configure made a mistake, make sure you are using the latest
369 version from Git. If the latest version fails, report the problem to the
370 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
371 EOF
372 if disabled logging; then
373 cat <<EOF
374 Rerun configure with logging enabled (do not use --disable-logging), and
375 include the log this produces with your report.
376 EOF
377 else
378 cat <<EOF
379 Include the log file "$logfile" produced by configure as this will help
380 solving the problem.
381 EOF
382 fi
383 exit 1
384 }
385
386 # Avoid locale weirdness, besides we really just want to translate ASCII.
387 toupper(){
388 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
389 }
390
391 tolower(){
392 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
393 }
394
395 c_escape(){
396 echo "$*" | sed 's/["\\]/\\\0/g'
397 }
398
399 sh_quote(){
400 v=$(echo "$1" | sed "s/'/'\\\\''/g")
401 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
402 echo "$v"
403 }
404
405 cleanws(){
406 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
407 }
408
409 filter(){
410 pat=$1
411 shift
412 for v; do
413 eval "case $v in $pat) echo $v ;; esac"
414 done
415 }
416
417 filter_out(){
418 pat=$1
419 shift
420 for v; do
421 eval "case $v in $pat) ;; *) echo $v ;; esac"
422 done
423 }
424
425 map(){
426 m=$1
427 shift
428 for v; do eval $m; done
429 }
430
431 add_suffix(){
432 suffix=$1
433 shift
434 for v; do echo ${v}${suffix}; done
435 }
436
437 set_all(){
438 value=$1
439 shift
440 for var in $*; do
441 eval $var=$value
442 done
443 }
444
445 set_weak(){
446 value=$1
447 shift
448 for var; do
449 eval : \${$var:=$value}
450 done
451 }
452
453 sanitize_var_name(){
454 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
455 }
456
457 set_safe(){
458 var=$1
459 shift
460 eval $(sanitize_var_name "$var")='$*'
461 }
462
463 get_safe(){
464 eval echo \$$(sanitize_var_name "$1")
465 }
466
467 pushvar(){
468 for pvar in $*; do
469 eval level=\${${pvar}_level:=0}
470 eval ${pvar}_${level}="\$$pvar"
471 eval ${pvar}_level=$(($level+1))
472 done
473 }
474
475 popvar(){
476 for pvar in $*; do
477 eval level=\${${pvar}_level:-0}
478 test $level = 0 && continue
479 eval level=$(($level-1))
480 eval $pvar="\${${pvar}_${level}}"
481 eval ${pvar}_level=$level
482 eval unset ${pvar}_${level}
483 done
484 }
485
486 enable(){
487 set_all yes $*
488 }
489
490 disable(){
491 set_all no $*
492 }
493
494 enable_weak(){
495 set_weak yes $*
496 }
497
498 disable_weak(){
499 set_weak no $*
500 }
501
502 enable_safe(){
503 for var; do
504 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
505 done
506 }
507
508 disable_safe(){
509 for var; do
510 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
511 done
512 }
513
514 do_enable_deep(){
515 for var; do
516 enabled $var && continue
517 eval sel="\$${var}_select"
518 eval sgs="\$${var}_suggest"
519 pushvar var sgs
520 enable_deep $sel
521 popvar sgs
522 enable_deep_weak $sgs
523 popvar var
524 done
525 }
526
527 enable_deep(){
528 do_enable_deep $*
529 enable $*
530 }
531
532 enable_deep_weak(){
533 for var; do
534 disabled $var && continue
535 pushvar var
536 do_enable_deep $var
537 popvar var
538 enable_weak $var
539 done
540 }
541
542 enabled(){
543 test "${1#!}" = "$1" && op== || op=!=
544 eval test "x\$${1#!}" $op "xyes"
545 }
546
547 disabled(){
548 test "${1#!}" = "$1" && op== || op=!=
549 eval test "x\$${1#!}" $op "xno"
550 }
551
552 enabled_all(){
553 for opt; do
554 enabled $opt || return 1
555 done
556 }
557
558 disabled_all(){
559 for opt; do
560 disabled $opt || return 1
561 done
562 }
563
564 enabled_any(){
565 for opt; do
566 enabled $opt && return 0
567 done
568 }
569
570 disabled_any(){
571 for opt; do
572 disabled $opt && return 0
573 done
574 return 1
575 }
576
577 set_default(){
578 for opt; do
579 eval : \${$opt:=\$${opt}_default}
580 done
581 }
582
583 is_in(){
584 value=$1
585 shift
586 for var in $*; do
587 [ $var = $value ] && return 0
588 done
589 return 1
590 }
591
592 do_check_deps(){
593 for cfg; do
594 cfg="${cfg#!}"
595 enabled ${cfg}_checking && die "Circular dependency for $cfg."
596 disabled ${cfg}_checking && continue
597 enable ${cfg}_checking
598 append allopts $cfg
599
600 eval dep_all="\$${cfg}_deps"
601 eval dep_any="\$${cfg}_deps_any"
602 eval dep_sel="\$${cfg}_select"
603 eval dep_sgs="\$${cfg}_suggest"
604 eval dep_ifa="\$${cfg}_if"
605 eval dep_ifn="\$${cfg}_if_any"
606
607 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
608 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
609 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
610
611 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
612 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
613 enabled_all $dep_all || disable $cfg
614 enabled_any $dep_any || disable $cfg
615 disabled_any $dep_sel && disable $cfg
616
617 if enabled $cfg; then
618 enable_deep $dep_sel
619 enable_deep_weak $dep_sgs
620 fi
621
622 disable ${cfg}_checking
623 done
624 }
625
626 check_deps(){
627 unset allopts
628
629 do_check_deps "$@"
630
631 for cfg in $allopts; do
632 enabled $cfg || continue
633 eval dep_extralibs="\$${cfg}_extralibs"
634 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
635 done
636 }
637
638 print_config(){
639 pfx=$1
640 files=$2
641 shift 2
642 map 'eval echo "$v \${$v:-no}"' "$@" |
643 awk "BEGIN { split(\"$files\", files) }
644 {
645 c = \"$pfx\" toupper(\$1);
646 v = \$2;
647 sub(/yes/, 1, v);
648 sub(/no/, 0, v);
649 for (f in files) {
650 file = files[f];
651 if (file ~ /\\.h\$/) {
652 printf(\"#define %s %d\\n\", c, v) >>file;
653 } else if (file ~ /\\.asm\$/) {
654 printf(\"%%define %s %d\\n\", c, v) >>file;
655 } else if (file ~ /\\.mak\$/) {
656 n = -v ? \"\" : \"!\";
657 printf(\"%s%s=yes\\n\", n, c) >>file;
658 }
659 }
660 }"
661 }
662
663 print_enabled(){
664 suf=$1
665 shift
666 for v; do
667 enabled $v && printf "%s\n" ${v%$suf};
668 done
669 }
670
671 append(){
672 var=$1
673 shift
674 eval "$var=\"\$$var $*\""
675 }
676
677 prepend(){
678 var=$1
679 shift
680 eval "$var=\"$* \$$var\""
681 }
682
683 unique(){
684 var=$1
685 uniq_list=""
686 for tok in $(eval echo \$$var); do
687 uniq_list="$(filter_out $tok $uniq_list) $tok"
688 done
689 eval "$var=\"${uniq_list}\""
690 }
691
692 add_cppflags(){
693 append CPPFLAGS "$@"
694 }
695
696 add_cflags(){
697 append CFLAGS $($cflags_filter "$@")
698 }
699
700 add_asflags(){
701 append ASFLAGS $($asflags_filter "$@")
702 }
703
704 add_objcflags(){
705 append OBJCFLAGS $($objcflags_filter "$@")
706 }
707
708 add_ldflags(){
709 append LDFLAGS $($ldflags_filter "$@")
710 }
711
712 add_ldexeflags(){
713 append LDEXEFLAGS $($ldflags_filter "$@")
714 }
715
716 add_stripflags(){
717 append STRIPFLAGS "$@"
718 }
719
720 add_extralibs(){
721 prepend extralibs $($ldflags_filter "$@")
722 }
723
724 add_host_cppflags(){
725 append host_cppflags "$@"
726 }
727
728 add_host_cflags(){
729 append host_cflags $($host_cflags_filter "$@")
730 }
731
732 add_host_ldflags(){
733 append host_ldflags $($host_ldflags_filter "$@")
734 }
735
736 add_compat(){
737 append compat_objs $1
738 shift
739 map 'add_cppflags -D$v' "$@"
740 }
741
742 check_cmd(){
743 log "$@"
744 "$@" >> $logfile 2>&1
745 }
746
747 cc_o(){
748 eval printf '%s\\n' $CC_O
749 }
750
751 cc_e(){
752 eval printf '%s\\n' $CC_E
753 }
754
755 check_cc(){
756 log check_cc "$@"
757 cat > $TMPC
758 log_file $TMPC
759 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
760 }
761
762 check_objcc(){
763 log check_objcc "$@"
764 cat > $TMPC
765 log_file $TMPC
766 check_cmd $objcc $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPC
767 }
768
769 check_cpp(){
770 log check_cpp "$@"
771 cat > $TMPC
772 log_file $TMPC
773 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
774 }
775
776 as_o(){
777 eval printf '%s\\n' $AS_O
778 }
779
780 check_as(){
781 log check_as "$@"
782 cat > $TMPS
783 log_file $TMPS
784 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
785 }
786
787 check_inline_asm(){
788 log check_inline_asm "$@"
789 name="$1"
790 code="$2"
791 shift 2
792 disable $name
793 check_cc "$@" <<EOF && enable $name
794 void foo(void){ __asm__ volatile($code); }
795 EOF
796 }
797
798 check_insn(){
799 log check_insn "$@"
800 check_inline_asm ${1}_inline "\"$2\""
801 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
802 }
803
804 check_yasm(){
805 log check_yasm "$@"
806 echo "$1" > $TMPS
807 log_file $TMPS
808 shift 1
809 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
810 }
811
812 ld_o(){
813 eval printf '%s\\n' $LD_O
814 }
815
816 check_ld(){
817 log check_ld "$@"
818 flags=$(filter_out '-l*' "$@")
819 libs=$(filter '-l*' "$@")
820 check_cc $($cflags_filter $flags) || return
821 flags=$($ldflags_filter $flags)
822 libs=$($ldflags_filter $libs)
823 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
824 }
825
826 print_include(){
827 hdr=$1
828 test "${hdr%.h}" = "${hdr}" &&
829 echo "#include $hdr" ||
830 echo "#include <$hdr>"
831 }
832
833 check_code(){
834 log check_code "$@"
835 check=$1
836 headers=$2
837 code=$3
838 shift 3
839 {
840 for hdr in $headers; do
841 print_include $hdr
842 done
843 echo "int main(void) { $code; return 0; }"
844 } | check_$check "$@"
845 }
846
847 check_cppflags(){
848 log check_cppflags "$@"
849 check_cc "$@" <<EOF && append CPPFLAGS "$@"
850 int x;
851 EOF
852 }
853
854 test_cflags(){
855 log test_cflags "$@"
856 set -- $($cflags_filter "$@")
857 check_cc "$@" <<EOF
858 int x;
859 EOF
860 }
861
862 check_cflags(){
863 log check_cflags "$@"
864 test_cflags "$@" && add_cflags "$@"
865 }
866
867 test_objcflags(){
868 log test_cflags "$@"
869 set -- $($cflags_filter "$@")
870 check_objcc "$@" <<EOF
871 int x;
872 EOF
873 }
874
875 check_objcflags(){
876 log check_cflags "$@"
877 test_objcflags "$@" && add_objcflags "$@"
878 }
879
880 test_ldflags(){
881 log test_ldflags "$@"
882 check_ld "$@" <<EOF
883 int main(void){ return 0; }
884 EOF
885 }
886
887 check_ldflags(){
888 log check_ldflags "$@"
889 test_ldflags "$@" && add_ldflags "$@"
890 }
891
892 test_stripflags(){
893 log test_stripflags "$@"
894 # call check_cc to get a fresh TMPO
895 check_cc <<EOF
896 int main(void) { return 0; }
897 EOF
898 check_cmd $strip $STRIPFLAGS "$@" $TMPO
899 }
900
901 check_stripflags(){
902 log check_stripflags "$@"
903 test_stripflags "$@" && add_stripflags "$@"
904 }
905
906 check_header(){
907 log check_header "$@"
908 header=$1
909 shift
910 disable_safe $header
911 check_cpp "$@" <<EOF && enable_safe $header
912 #include <$header>
913 int x;
914 EOF
915 }
916
917 check_func(){
918 log check_func "$@"
919 func=$1
920 shift
921 disable $func
922 check_ld "$@" <<EOF && enable $func
923 extern int $func();
924 int main(void){ $func(); }
925 EOF
926 }
927
928 check_mathfunc(){
929 log check_mathfunc "$@"
930 func=$1
931 narg=$2
932 shift 2
933 test $narg = 2 && args="f, g" || args="f"
934 disable $func
935 check_ld "$@" <<EOF && enable $func
936 #include <math.h>
937 float foo(float f, float g) { return $func($args); }
938 int main(void){ return 0; }
939 EOF
940 }
941
942 check_func_headers(){
943 log check_func_headers "$@"
944 headers=$1
945 funcs=$2
946 shift 2
947 {
948 for hdr in $headers; do
949 print_include $hdr
950 done
951 for func in $funcs; do
952 echo "long check_$func(void) { return (long) $func; }"
953 done
954 echo "int main(void) { return 0; }"
955 } | check_ld "$@" && enable $funcs && enable_safe $headers
956 }
957
958 check_cpp_condition(){
959 log check_cpp_condition "$@"
960 header=$1
961 condition=$2
962 shift 2
963 check_cpp "$@" <<EOF
964 #include <$header>
965 #if !($condition)
966 #error "unsatisfied condition: $condition"
967 #endif
968 EOF
969 }
970
971 check_lib(){
972 log check_lib "$@"
973 header="$1"
974 func="$2"
975 shift 2
976 check_header $header && check_func $func "$@" && add_extralibs "$@"
977 }
978
979 check_lib2(){
980 log check_lib2 "$@"
981 headers="$1"
982 funcs="$2"
983 shift 2
984 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
985 }
986
987 check_pkg_config(){
988 log check_pkg_config "$@"
989 pkg="$1"
990 headers="$2"
991 funcs="$3"
992 shift 3
993 check_cmd $pkg_config --exists --print-errors $pkg || return
994 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
995 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
996 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
997 set_safe "${pkg}_cflags" $pkg_cflags &&
998 set_safe "${pkg}_libs" $pkg_libs
999 }
1000
1001 check_exec(){
1002 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1003 }
1004
1005 check_exec_crash(){
1006 code=$(cat)
1007
1008 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1009 # are safe but may not be available everywhere. Thus we use
1010 # raise(SIGTERM) instead. The check is run in a subshell so we
1011 # can redirect the "Terminated" message from the shell. SIGBUS
1012 # is not defined by standard C so it is used conditionally.
1013
1014 (check_exec "$@") >> $logfile 2>&1 <<EOF
1015 #include <signal.h>
1016 static void sighandler(int sig){
1017 raise(SIGTERM);
1018 }
1019 int foo(void){
1020 $code
1021 }
1022 int (*func_ptr)(void) = foo;
1023 int main(void){
1024 signal(SIGILL, sighandler);
1025 signal(SIGFPE, sighandler);
1026 signal(SIGSEGV, sighandler);
1027 #ifdef SIGBUS
1028 signal(SIGBUS, sighandler);
1029 #endif
1030 return func_ptr();
1031 }
1032 EOF
1033 }
1034
1035 check_type(){
1036 log check_type "$@"
1037 headers=$1
1038 type=$2
1039 shift 2
1040 disable_safe "$type"
1041 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1042 }
1043
1044 check_struct(){
1045 log check_struct "$@"
1046 headers=$1
1047 struct=$2
1048 member=$3
1049 shift 3
1050 disable_safe "${struct}_${member}"
1051 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1052 enable_safe "${struct}_${member}"
1053 }
1054
1055 check_builtin(){
1056 log check_builtin "$@"
1057 name=$1
1058 headers=$2
1059 builtin=$3
1060 shift 3
1061 disable "$name"
1062 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1063 }
1064
1065 check_compile_assert(){
1066 log check_compile_assert "$@"
1067 name=$1
1068 headers=$2
1069 condition=$3
1070 shift 3
1071 disable "$name"
1072 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1073 }
1074
1075 require(){
1076 name="$1"
1077 header="$2"
1078 func="$3"
1079 shift 3
1080 check_lib $header $func "$@" || die "ERROR: $name not found"
1081 }
1082
1083 require2(){
1084 name="$1"
1085 headers="$2"
1086 func="$3"
1087 shift 3
1088 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1089 }
1090
1091 require_pkg_config(){
1092 pkg="$1"
1093 check_pkg_config "$@" || die "ERROR: $pkg not found"
1094 add_cflags $(get_safe "${pkg}_cflags")
1095 add_extralibs $(get_safe "${pkg}_libs")
1096 }
1097
1098 hostcc_e(){
1099 eval printf '%s\\n' $HOSTCC_E
1100 }
1101
1102 hostcc_o(){
1103 eval printf '%s\\n' $HOSTCC_O
1104 }
1105
1106 check_host_cc(){
1107 log check_host_cc "$@"
1108 cat > $TMPC
1109 log_file $TMPC
1110 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1111 }
1112
1113 check_host_cpp(){
1114 log check_host_cpp "$@"
1115 cat > $TMPC
1116 log_file $TMPC
1117 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1118 }
1119
1120 check_host_cppflags(){
1121 log check_host_cppflags "$@"
1122 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1123 int x;
1124 EOF
1125 }
1126
1127 check_host_cflags(){
1128 log check_host_cflags "$@"
1129 set -- $($host_cflags_filter "$@")
1130 check_host_cc "$@" <<EOF && append host_cflags "$@"
1131 int x;
1132 EOF
1133 }
1134
1135 check_host_cpp_condition(){
1136 log check_host_cpp_condition "$@"
1137 header=$1
1138 condition=$2
1139 shift 2
1140 check_host_cpp "$@" <<EOF
1141 #include <$header>
1142 #if !($condition)
1143 #error "unsatisfied condition: $condition"
1144 #endif
1145 EOF
1146 }
1147
1148 apply(){
1149 file=$1
1150 shift
1151 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1152 }
1153
1154 cp_if_changed(){
1155 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1156 mkdir -p "$(dirname $2)"
1157 $cp_f "$1" "$2"
1158 }
1159
1160 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1161 # system-dependent things.
1162
1163 AVCODEC_COMPONENTS="
1164 bsfs
1165 decoders
1166 encoders
1167 hwaccels
1168 parsers
1169 "
1170
1171 AVDEVICE_COMPONENTS="
1172 indevs
1173 outdevs
1174 "
1175 AVFILTER_COMPONENTS="
1176 filters
1177 "
1178 AVFORMAT_COMPONENTS="
1179 demuxers
1180 muxers
1181 protocols
1182 "
1183
1184 AVRESAMPLE_COMPONENTS=""
1185 AVUTIL_COMPONENTS=""
1186
1187 COMPONENT_LIST="
1188 $AVCODEC_COMPONENTS
1189 $AVDEVICE_COMPONENTS
1190 $AVFILTER_COMPONENTS
1191 $AVFORMAT_COMPONENTS
1192 $AVRESAMPLE_COMPONENTS
1193 $AVUTIL_COMPONENTS
1194 "
1195
1196 EXAMPLE_LIST="
1197 avcodec_example
1198 filter_audio_example
1199 metadata_example
1200 output_example
1201 qsvdec_example
1202 transcode_aac_example
1203 "
1204
1205 EXTERNAL_LIBRARY_LIST="
1206 avisynth
1207 bzlib
1208 frei0r
1209 gnutls
1210 libbs2b
1211 libcdio
1212 libdc1394
1213 libdcadec
1214 libfaac
1215 libfdk_aac
1216 libfontconfig
1217 libfreetype
1218 libgsm
1219 libilbc
1220 libkvazaar
1221 libmfx
1222 libmp3lame
1223 libopencore_amrnb
1224 libopencore_amrwb
1225 libopencv
1226 libopenh264
1227 libopenjpeg
1228 libopus
1229 libpulse
1230 librtmp
1231 libschroedinger
1232 libsnappy
1233 libspeex
1234 libtheora
1235 libtwolame
1236 libvo_aacenc
1237 libvo_amrwbenc
1238 libvorbis
1239 libvpx
1240 libwavpack
1241 libwebp
1242 libx264
1243 libx265
1244 libxavs
1245 libxcb
1246 libxcb_shm
1247 libxcb_xfixes
1248 libxvid
1249 mmal
1250 nvenc
1251 openssl
1252 x11grab
1253 zlib
1254 "
1255
1256 FEATURE_LIST="
1257 gray
1258 hardcoded_tables
1259 runtime_cpudetect
1260 safe_bitstream_reader
1261 shared
1262 small
1263 sram
1264 static
1265 swscale_alpha
1266 "
1267
1268 HWACCEL_LIST="
1269 d3d11va
1270 dxva2
1271 vaapi
1272 vda
1273 vdpau
1274 "
1275
1276 LIBRARY_LIST="
1277 avcodec
1278 avdevice
1279 avfilter
1280 avformat
1281 avresample
1282 avutil
1283 swscale
1284 "
1285
1286 LICENSE_LIST="
1287 gpl
1288 nonfree
1289 version3
1290 "
1291
1292 PROGRAM_LIST="
1293 avconv
1294 avplay
1295 avprobe
1296 "
1297
1298 SUBSYSTEM_LIST="
1299 dct
1300 doc
1301 error_resilience
1302 faan
1303 fft
1304 lsp
1305 lzo
1306 mdct
1307 network
1308 rdft
1309 "
1310
1311 CONFIG_LIST="
1312 $COMPONENT_LIST
1313 $EXAMPLE_LIST
1314 $EXTERNAL_LIBRARY_LIST
1315 $FEATURE_LIST
1316 $HWACCEL_LIST
1317 $LICENSE_LIST
1318 $LIBRARY_LIST
1319 $PROGRAM_LIST
1320 $SUBSYSTEM_LIST
1321 memalign_hack
1322 neon_clobber_test
1323 pic
1324 pod2man
1325 texi2html
1326 thumb
1327 valgrind_backtrace
1328 xmm_clobber_test
1329 "
1330
1331 THREADS_LIST="
1332 pthreads
1333 w32threads
1334 "
1335
1336 ATOMICS_LIST="
1337 atomics_gcc
1338 atomics_suncc
1339 atomics_win32
1340 "
1341
1342 ARCH_LIST="
1343 aarch64
1344 alpha
1345 arm
1346 avr32
1347 avr32_ap
1348 avr32_uc
1349 bfin
1350 ia64
1351 m68k
1352 mips
1353 mips64
1354 parisc
1355 ppc
1356 ppc64
1357 s390
1358 sh4
1359 sparc
1360 sparc64
1361 tilegx
1362 tilepro
1363 tomi
1364 x86
1365 x86_32
1366 x86_64
1367 "
1368
1369 ARCH_EXT_LIST_ARM="
1370 armv5te
1371 armv6
1372 armv6t2
1373 armv8
1374 neon
1375 vfp
1376 vfpv3
1377 "
1378
1379 ARCH_EXT_LIST_X86_SIMD="
1380 amd3dnow
1381 amd3dnowext
1382 avx
1383 avx2
1384 fma3
1385 fma4
1386 mmx
1387 mmxext
1388 sse
1389 sse2
1390 sse3
1391 sse4
1392 sse42
1393 ssse3
1394 xop
1395 "
1396
1397 ARCH_EXT_LIST_PPC="
1398 altivec
1399 dcbzl
1400 ldbrx
1401 power8
1402 ppc4xx
1403 vsx
1404 "
1405
1406 ARCH_EXT_LIST_X86="
1407 $ARCH_EXT_LIST_X86_SIMD
1408 cpunop
1409 i686
1410 "
1411
1412 ARCH_EXT_LIST_MIPS="
1413 loongson
1414 mips32r1
1415 mips64r1
1416 mips32r2
1417 mips64r2
1418 mips32r6
1419 mips64r6
1420 "
1421
1422 ARCH_EXT_LIST="
1423 $ARCH_EXT_LIST_ARM
1424 $ARCH_EXT_LIST_MIPS
1425 $ARCH_EXT_LIST_PPC
1426 $ARCH_EXT_LIST_X86
1427 vis
1428 "
1429
1430 ARCH_FEATURES="
1431 aligned_stack
1432 fast_64bit
1433 fast_clz
1434 fast_cmov
1435 local_aligned_8
1436 local_aligned_16
1437 simd_align_16
1438 "
1439
1440 BUILTIN_LIST="
1441 atomic_cas_ptr
1442 machine_rw_barrier
1443 MemoryBarrier
1444 mm_empty
1445 rdtsc
1446 sync_val_compare_and_swap
1447 "
1448 HAVE_LIST_CMDLINE="
1449 inline_asm
1450 symver
1451 yasm
1452 "
1453
1454 HAVE_LIST_PUB="
1455 bigendian
1456 fast_unaligned
1457 "
1458
1459 HEADERS_LIST="
1460 AVFoundation_AVFoundation_h
1461 alsa_asoundlib_h
1462 altivec_h
1463 arpa_inet_h
1464 cdio_paranoia_h
1465 cdio_paranoia_paranoia_h
1466 dev_bktr_ioctl_bt848_h
1467 dev_bktr_ioctl_meteor_h
1468 dev_ic_bt8xx_h
1469 dev_video_bktr_ioctl_bt848_h
1470 dev_video_meteor_ioctl_meteor_h
1471 direct_h
1472 dlfcn_h
1473 d3d11_h
1474 dxva_h
1475 gsm_h
1476 io_h
1477 mach_mach_time_h
1478 machine_ioctl_bt848_h
1479 machine_ioctl_meteor_h
1480 malloc_h
1481 poll_h
1482 sndio_h
1483 soundcard_h
1484 sys_mman_h
1485 sys_param_h
1486 sys_resource_h
1487 sys_select_h
1488 sys_soundcard_h
1489 sys_time_h
1490 sys_un_h
1491 sys_videoio_h
1492 unistd_h
1493 valgrind_valgrind_h
1494 windows_h
1495 winsock2_h
1496 "
1497
1498 INTRINSICS_LIST="
1499 intrinsics_neon
1500 "
1501
1502 MATH_FUNCS="
1503 atanf
1504 atan2f
1505 cbrtf
1506 cosf
1507 exp2
1508 exp2f
1509 expf
1510 isinf
1511 isnan
1512 ldexpf
1513 llrint
1514 llrintf
1515 log2
1516 log2f
1517 log10f
1518 lrint
1519 lrintf
1520 powf
1521 rint
1522 round
1523 roundf
1524 sinf
1525 trunc
1526 truncf
1527 "
1528
1529 SYSTEM_FUNCS="
1530 aligned_malloc
1531 clock_gettime
1532 closesocket
1533 CommandLineToArgvW
1534 CoTaskMemFree
1535 CryptGenRandom
1536 dlopen
1537 fcntl
1538 flt_lim
1539 fork
1540 getaddrinfo
1541 gethrtime
1542 getopt
1543 GetProcessAffinityMask
1544 GetProcessMemoryInfo
1545 GetProcessTimes
1546 getrusage
1547 GetSystemTimeAsFileTime
1548 gettimeofday
1549 gmtime_r
1550 inet_aton
1551 isatty
1552 jack_port_get_latency_range
1553 LoadLibrary
1554 localtime_r
1555 mach_absolute_time
1556 MapViewOfFile
1557 memalign
1558 mkstemp
1559 mmap
1560 mprotect
1561 nanosleep
1562 posix_memalign
1563 sched_getaffinity
1564 SetConsoleTextAttribute
1565 setmode
1566 setrlimit
1567 Sleep
1568 strerror_r
1569 sysconf
1570 sysctl
1571 usleep
1572 VirtualAlloc
1573 "
1574
1575 TOOLCHAIN_FEATURES="
1576 as_dn_directive
1577 as_func
1578 as_object_arch
1579 asm_mod_q
1580 attribute_may_alias
1581 attribute_packed
1582 ebp_available
1583 ebx_available
1584 gnu_as
1585 ibm_asm
1586 inline_asm_labels
1587 pragma_deprecated
1588 symver_asm_label
1589 symver_gnu_asm
1590 vfp_args
1591 xform_asm
1592 xmm_clobbers
1593 "
1594
1595 TYPES_LIST="
1596 CONDITION_VARIABLE_Ptr
1597 socklen_t
1598 struct_addrinfo
1599 struct_group_source_req
1600 struct_ip_mreq_source
1601 struct_ipv6_mreq
1602 struct_pollfd
1603 struct_rusage_ru_maxrss
1604 struct_sockaddr_in6
1605 struct_sockaddr_sa_len
1606 struct_sockaddr_storage
1607 struct_v4l2_frmivalenum_discrete
1608 "
1609
1610 HAVE_LIST="
1611 $ARCH_EXT_LIST
1612 $(add_suffix _external $ARCH_EXT_LIST)
1613 $(add_suffix _inline $ARCH_EXT_LIST)
1614 $ARCH_FEATURES
1615 $ATOMICS_LIST
1616 $BUILTIN_LIST
1617 $HAVE_LIST_CMDLINE
1618 $HAVE_LIST_PUB
1619 $HEADERS_LIST
1620 $INTRINSICS_LIST
1621 $MATH_FUNCS
1622 $SYSTEM_FUNCS
1623 $THREADS_LIST
1624 $TOOLCHAIN_FEATURES
1625 $TYPES_LIST
1626 atomics_native
1627 dos_paths
1628 dxva2_lib
1629 libc_msvcrt
1630 libdc1394_1
1631 libdc1394_2
1632 sdl
1633 section_data_rel_ro
1634 threads
1635 vaapi_x11
1636 vdpau_x11
1637 xlib
1638 "
1639
1640 # options emitted with CONFIG_ prefix but not available on the command line
1641 CONFIG_EXTRA="
1642 aandcttables
1643 ac3dsp
1644 audio_frame_queue
1645 audiodsp
1646 blockdsp
1647 bswapdsp
1648 cabac
1649 dirac_parse
1650 dvprofile
1651 faandct
1652 faanidct
1653 fdctdsp
1654 flacdsp
1655 fmtconvert
1656 g722dsp
1657 gcrypt
1658 gmp
1659 golomb
1660 gplv3
1661 h263dsp
1662 h264chroma
1663 h264dsp
1664 h264pred
1665 h264qpel
1666 hpeldsp
1667 huffman
1668 huffyuvdsp
1669 huffyuvencdsp
1670 idctdsp
1671 iirfilter
1672 imdct15
1673 intrax8
1674 ividsp
1675 jpegtables
1676 libx262
1677 lgplv3
1678 lpc
1679 lzf
1680 me_cmp
1681 mpeg_er
1682 mpegaudio
1683 mpegaudiodsp
1684 mpegvideo
1685 mpegvideoenc
1686 mss34dsp
1687 pixblockdsp
1688 qpeldsp
1689 qsv
1690 qsvdec
1691 qsvenc
1692 rangecoder
1693 riffdec
1694 riffenc
1695 rtpdec
1696 rtpenc_chain
1697 rv34dsp
1698 sinewin
1699 snappy
1700 startcode
1701 texturedsp
1702 texturedspenc
1703 tpeldsp
1704 videodsp
1705 vp3dsp
1706 vp56dsp
1707 vp8dsp
1708 wma_freqs
1709 wmv2dsp
1710 "
1711
1712 CMDLINE_SELECT="
1713 $ARCH_EXT_LIST
1714 $CONFIG_LIST
1715 $HAVE_LIST_CMDLINE
1716 $THREADS_LIST
1717 asm
1718 cross_compile
1719 debug
1720 extra_warnings
1721 logging
1722 lto
1723 optimizations
1724 rpath
1725 "
1726
1727 PATHS_LIST="
1728 bindir
1729 datadir
1730 docdir
1731 incdir
1732 libdir
1733 mandir
1734 prefix
1735 shlibdir
1736 "
1737
1738 CMDLINE_SET="
1739 $PATHS_LIST
1740 ar
1741 arch
1742 as
1743 build_suffix
1744 cc
1745 objcc
1746 cpu
1747 cross_prefix
1748 custom_allocator
1749 dep_cc
1750 env
1751 extra_version
1752 host_cc
1753 host_cflags
1754 host_ld
1755 host_ldflags
1756 host_libs
1757 host_os
1758 ld
1759 logfile
1760 malloc_prefix
1761 nm
1762 optflags
1763 pkg_config
1764 pkg_config_flags
1765 random_seed
1766 samples
1767 sysinclude
1768 sysroot
1769 target_exec
1770 target_os
1771 target_path
1772 target_samples
1773 toolchain
1774 "
1775
1776 CMDLINE_APPEND="
1777 extra_cflags
1778 extra_objcflags
1779 host_cppflags
1780 "
1781
1782 # code dependency declarations
1783
1784 # architecture extensions
1785
1786 armv5te_deps="arm"
1787 armv6_deps="arm"
1788 armv6t2_deps="arm"
1789 armv8_deps="aarch64"
1790 neon_deps_any="aarch64 arm"
1791 intrinsics_neon_deps="neon"
1792 vfp_deps_any="aarch64 arm"
1793 vfpv3_deps="vfp"
1794
1795 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1796
1797 altivec_deps="ppc"
1798 ppc4xx_deps="ppc"
1799 vsx_deps="altivec"
1800 power8_deps="vsx"
1801
1802 cpunop_deps="i686"
1803 x86_64_select="i686"
1804 x86_64_suggest="fast_cmov"
1805
1806 amd3dnow_deps="mmx"
1807 amd3dnowext_deps="amd3dnow"
1808 i686_deps="x86"
1809 mmx_deps="x86"
1810 mmxext_deps="mmx"
1811 sse_deps="mmxext"
1812 sse2_deps="sse"
1813 sse3_deps="sse2"
1814 ssse3_deps="sse3"
1815 sse4_deps="ssse3"
1816 sse42_deps="sse4"
1817 avx_deps="sse42"
1818 xop_deps="avx"
1819 fma3_deps="avx"
1820 fma4_deps="avx"
1821 avx2_deps="avx"
1822
1823 mmx_external_deps="yasm"
1824 mmx_inline_deps="inline_asm"
1825 mmx_suggest="mmx_external mmx_inline"
1826
1827 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1828 eval dep=\$${ext}_deps
1829 eval ${ext}_external_deps='"${dep}_external"'
1830 eval ${ext}_inline_deps='"${dep}_inline"'
1831 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1832 done
1833
1834 aligned_stack_if_any="aarch64 ppc x86"
1835 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1836 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1837 fast_unaligned_if_any="aarch64 ppc x86"
1838 simd_align_16_if_any="altivec neon sse"
1839
1840 # system capabilities
1841 symver_if_any="symver_asm_label symver_gnu_asm"
1842 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
1843
1844 # threading support
1845 atomics_gcc_if="sync_val_compare_and_swap"
1846 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1847 atomics_win32_if="MemoryBarrier"
1848 atomics_native_if_any="$ATOMICS_LIST"
1849 w32threads_deps="atomics_native"
1850 threads_if_any="$THREADS_LIST"
1851
1852 # subsystems
1853 dct_select="rdft"
1854 dirac_parse_select="golomb"
1855 error_resilience_select="me_cmp"
1856 faandct_deps="faan fdctdsp"
1857 faanidct_deps="faan idctdsp"
1858 intrax8_select="error_resilience"
1859 mdct_select="fft"
1860 rdft_select="fft"
1861 me_cmp_select="fdctdsp idctdsp pixblockdsp"
1862 mpeg_er_select="error_resilience"
1863 mpegaudio_select="mpegaudiodsp"
1864 mpegaudiodsp_select="dct"
1865 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp videodsp"
1866 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
1867 nvenc_deps_any="dlopen LoadLibrary"
1868 nvenc_extralibs='$ldl'
1869 qsvdec_select="qsv"
1870 qsvenc_select="qsv"
1871
1872 # decoders / encoders
1873 aac_decoder_select="imdct15 mdct sinewin"
1874 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
1875 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1876 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
1877 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1878 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
1879 adpcm_g722_decoder_select="g722dsp"
1880 adpcm_g722_encoder_select="g722dsp"
1881 aic_decoder_select="golomb idctdsp"
1882 alac_encoder_select="lpc"
1883 als_decoder_select="bswapdsp"
1884 amrnb_decoder_select="lsp"
1885 amrwb_decoder_select="lsp"
1886 amv_decoder_select="sp5x_decoder"
1887 ape_decoder_select="bswapdsp"
1888 asv1_decoder_select="blockdsp bswapdsp idctdsp"
1889 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
1890 asv2_decoder_select="blockdsp bswapdsp idctdsp"
1891 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
1892 atrac1_decoder_select="mdct sinewin"
1893 atrac3_decoder_select="mdct"
1894 atrac3p_decoder_select="mdct sinewin"
1895 bink_decoder_select="blockdsp hpeldsp"
1896 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
1897 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
1898 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
1899 cllc_decoder_select="bswapdsp"
1900 comfortnoise_encoder_select="lpc"
1901 cook_decoder_select="audiodsp mdct sinewin"
1902 cscd_decoder_select="lzo"
1903 cscd_decoder_suggest="zlib"
1904 dca_decoder_select="fmtconvert mdct"
1905 dds_decoder_select="texturedsp"
1906 dnxhd_decoder_select="blockdsp idctdsp"
1907 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
1908 dvvideo_decoder_select="dvprofile idctdsp"
1909 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
1910 dxa_decoder_deps="zlib"
1911 dxv_decoder_select="lzf texturedsp"
1912 eac3_decoder_select="ac3_decoder"
1913 eac3_encoder_select="ac3_encoder"
1914 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
1915 eatgq_decoder_select="aandcttables idctdsp"
1916 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
1917 exr_decoder_deps="zlib"
1918 ffv1_decoder_select="golomb rangecoder"
1919 ffv1_encoder_select="rangecoder"
1920 ffvhuff_decoder_select="huffyuv_decoder"
1921 ffvhuff_encoder_select="huffyuv_encoder"
1922 fic_decoder_select="golomb"
1923 flac_decoder_select="flacdsp golomb"
1924 flac_encoder_select="bswapdsp flacdsp golomb lpc"
1925 flashsv_decoder_deps="zlib"
1926 flashsv_encoder_deps="zlib"
1927 flashsv2_decoder_deps="zlib"
1928 flv_decoder_select="h263_decoder"
1929 flv_encoder_select="h263_encoder"
1930 fourxm_decoder_select="blockdsp bswapdsp"
1931 fraps_decoder_select="bswapdsp huffman"
1932 g2m_decoder_deps="zlib"
1933 g2m_decoder_select="blockdsp idctdsp jpegtables"
1934 h261_decoder_select="mpeg_er mpegvideo"
1935 h261_encoder_select="aandcttables mpegvideoenc"
1936 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
1937 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1938 h263i_decoder_select="h263_decoder"
1939 h263p_encoder_select="h263_encoder"
1940 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
1941 h264_decoder_suggest="error_resilience"
1942 h264_nvenc_encoder_deps="nvenc"
1943 h264_qsv_decoder_deps="libmfx"
1944 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
1945 h264_qsv_encoder_deps="libmfx"
1946 h264_qsv_encoder_select="qsvenc"
1947 hap_decoder_select="snappy texturedsp"
1948 hap_encoder_deps="libsnappy"
1949 hap_encoder_select="texturedspenc"
1950 hevc_decoder_select="bswapdsp cabac golomb videodsp"
1951 hevc_nvenc_encoder_deps="nvenc"
1952 hevc_qsv_encoder_deps="libmfx"
1953 hevc_qsv_decoder_deps="libmfx"
1954 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
1955 hevc_qsv_encoder_select="qsvenc"
1956 huffyuv_decoder_select="bswapdsp huffyuvdsp"
1957 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
1958 iac_decoder_select="imc_decoder"
1959 imc_decoder_select="bswapdsp fft mdct sinewin"
1960 indeo3_decoder_select="hpeldsp"
1961 indeo4_decoder_select="ividsp"
1962 indeo5_decoder_select="ividsp"
1963 interplay_video_decoder_select="hpeldsp"
1964 jpegls_decoder_select="golomb mjpeg_decoder"
1965 jpegls_encoder_select="golomb"
1966 jv_decoder_select="blockdsp"
1967 lagarith_decoder_select="huffyuvdsp"
1968 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
1969 loco_decoder_select="golomb"
1970 mdec_decoder_select="blockdsp idctdsp mpegvideo"
1971 metasound_decoder_select="lsp mdct sinewin"
1972 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
1973 mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
1974 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
1975 mjpegb_decoder_select="mjpeg_decoder"
1976 mlp_decoder_select="mlp_parser"
1977 motionpixels_decoder_select="bswapdsp"
1978 mp1_decoder_select="mpegaudio"
1979 mp1float_decoder_select="mpegaudio"
1980 mp2_decoder_select="mpegaudio"
1981 mp2float_decoder_select="mpegaudio"
1982 mp3_decoder_select="mpegaudio"
1983 mp3adu_decoder_select="mpegaudio"
1984 mp3adufloat_decoder_select="mpegaudio"
1985 mp3float_decoder_select="mpegaudio"
1986 mp3on4_decoder_select="mpegaudio"
1987 mp3on4float_decoder_select="mpegaudio"
1988 mpc7_decoder_select="bswapdsp mpegaudiodsp"
1989 mpc8_decoder_select="mpegaudiodsp"
1990 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1991 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1992 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
1993 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1994 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
1995 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1996 mpeg2_qsv_decoder_deps="libmfx"
1997 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel mpegvideo_parser"
1998 mpeg2_qsv_encoder_deps="libmfx"
1999 mpeg2_qsv_encoder_select="qsvenc"
2000 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2001 mpeg4_encoder_select="h263_encoder"
2002 msa1_decoder_select="mss34dsp"
2003 msmpeg4v1_decoder_select="h263_decoder"
2004 msmpeg4v2_decoder_select="h263_decoder"
2005 msmpeg4v2_encoder_select="h263_encoder"
2006 msmpeg4v3_decoder_select="h263_decoder"
2007 msmpeg4v3_encoder_select="h263_encoder"
2008 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
2009 mts2_decoder_select="mss34dsp"
2010 mxpeg_decoder_select="mjpeg_decoder"
2011 nellymoser_decoder_select="mdct sinewin"
2012 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2013 nuv_decoder_select="idctdsp lzo"
2014 on2avc_decoder_select="mdct"
2015 opus_decoder_deps="avresample"
2016 opus_decoder_select="imdct15"
2017 png_decoder_deps="zlib"
2018 png_encoder_deps="zlib"
2019 png_encoder_select="huffyuvencdsp"
2020 prores_decoder_select="idctdsp"
2021 prores_encoder_select="fdctdsp"
2022 qcelp_decoder_select="lsp"
2023 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2024 ra_144_encoder_select="audio_frame_queue lpc"
2025 ralf_decoder_select="golomb"
2026 rscc_decoder_deps="zlib"
2027 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2028 rv10_encoder_select="h263_encoder"
2029 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2030 rv20_encoder_select="h263_encoder"
2031 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2032 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2033 screenpresso_decoder_deps="zlib"
2034 shorten_decoder_select="golomb"
2035 sipr_decoder_select="lsp"
2036 sp5x_decoder_select="mjpeg_decoder"
2037 svq1_decoder_select="hpeldsp"
2038 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2039 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2040 svq3_decoder_suggest="zlib"
2041 tak_decoder_select="audiodsp"
2042 tdsc_decoder_deps="zlib"
2043 tdsc_decoder_select="mjpeg_decoder"
2044 theora_decoder_select="vp3_decoder"
2045 thp_decoder_select="mjpeg_decoder"
2046 tiff_decoder_suggest="zlib"
2047 tiff_encoder_suggest="zlib"
2048 truehd_decoder_select="mlp_decoder"
2049 truemotion2_decoder_select="bswapdsp"
2050 truespeech_decoder_select="bswapdsp"
2051 tscc_decoder_deps="zlib"
2052 txd_decoder_select="texturedsp"
2053 twinvq_decoder_select="mdct lsp sinewin"
2054 utvideo_decoder_select="bswapdsp"
2055 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2056 vble_decoder_select="huffyuvdsp"
2057 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
2058 vc1image_decoder_select="vc1_decoder"
2059 vorbis_decoder_select="mdct"
2060 vorbis_encoder_select="mdct"
2061 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2062 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2063 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2064 vp6a_decoder_select="vp6_decoder"
2065 vp6f_decoder_select="vp6_decoder"
2066 vp7_decoder_select="h264pred videodsp vp8dsp"
2067 vp8_decoder_select="h264pred videodsp vp8dsp"
2068 vp9_decoder_select="videodsp"
2069 webp_decoder_select="vp8_decoder"
2070 wmapro_decoder_select="mdct sinewin wma_freqs"
2071 wmav1_decoder_select="mdct sinewin wma_freqs"
2072 wmav1_encoder_select="mdct sinewin wma_freqs"
2073 wmav2_decoder_select="mdct sinewin wma_freqs"
2074 wmav2_encoder_select="mdct sinewin wma_freqs"
2075 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2076 wmv1_decoder_select="h263_decoder"
2077 wmv1_encoder_select="h263_encoder"
2078 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2079 wmv2_encoder_select="h263_encoder wmv2dsp"
2080 wmv3_decoder_select="vc1_decoder"
2081 wmv3image_decoder_select="wmv3_decoder"
2082 zerocodec_decoder_deps="zlib"
2083 zlib_decoder_deps="zlib"
2084 zlib_encoder_deps="zlib"
2085 zmbv_decoder_deps="zlib"
2086 zmbv_encoder_deps="zlib"
2087
2088 # hardware accelerators
2089 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2090 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2091 vaapi_deps="va_va_h"
2092 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2093 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2094 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2095
2096 h263_vaapi_hwaccel_deps="vaapi"
2097 h263_vaapi_hwaccel_select="h263_decoder"
2098 h264_d3d11va_hwaccel_deps="d3d11va"
2099 h264_d3d11va_hwaccel_select="h264_decoder"
2100 h264_dxva2_hwaccel_deps="dxva2"
2101 h264_dxva2_hwaccel_select="h264_decoder"
2102 h264_mmal_decoder_deps="mmal"
2103 h264_mmal_hwaccel_deps="mmal"
2104 h264_mmal_decoder_select="h264_decoder"
2105 h264_mmal_encoder_deps="mmal"
2106 h264_qsv_hwaccel_deps="libmfx"
2107 h264_vaapi_hwaccel_deps="vaapi"
2108 h264_vaapi_hwaccel_select="h264_decoder"
2109 h264_vda_hwaccel_deps="vda"
2110 h264_vda_hwaccel_select="h264_decoder"
2111 h264_vda_old_hwaccel_deps="vda"
2112 h264_vda_old_hwaccel_select="h264_decoder"
2113 h264_vdpau_hwaccel_deps="vdpau"
2114 h264_vdpau_hwaccel_select="h264_decoder"
2115 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2116 hevc_d3d11va_hwaccel_select="hevc_decoder"
2117 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2118 hevc_dxva2_hwaccel_select="hevc_decoder"
2119 hevc_qsv_hwaccel_deps="libmfx"
2120 mpeg1_vdpau_hwaccel_deps="vdpau"
2121 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2122 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2123 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2124 mpeg2_dxva2_hwaccel_deps="dxva2"
2125 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2126 mpeg2_qsv_hwaccel_deps="libmfx"
2127 mpeg2_vaapi_hwaccel_deps="vaapi"
2128 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2129 mpeg2_vdpau_hwaccel_deps="vdpau"
2130 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2131 mpeg4_vaapi_hwaccel_deps="vaapi"
2132 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2133 mpeg4_vdpau_hwaccel_deps="vdpau"
2134 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2135 vc1_d3d11va_hwaccel_deps="d3d11va"
2136 vc1_d3d11va_hwaccel_select="vc1_decoder"
2137 vc1_dxva2_hwaccel_deps="dxva2"
2138 vc1_dxva2_hwaccel_select="vc1_decoder"
2139 vc1_vaapi_hwaccel_deps="vaapi"
2140 vc1_vaapi_hwaccel_select="vc1_decoder"
2141 vc1_vdpau_hwaccel_deps="vdpau"
2142 vc1_vdpau_hwaccel_select="vc1_decoder"
2143 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2144 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2145 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2146 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2147
2148 # parsers
2149 h264_parser_select="h264_decoder"
2150 hevc_parser_select="golomb"
2151 mpegvideo_parser_select="mpegvideo"
2152 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
2153 vc1_parser_select="mpegvideo startcode vc1_decoder"
2154
2155 # bitstream_filters
2156 mjpeg2jpeg_bsf_select="jpegtables"
2157
2158 # external libraries
2159 libdcadec_decoder_deps="libdcadec"
2160 libfaac_encoder_deps="libfaac"
2161 libfaac_encoder_select="audio_frame_queue"
2162 libfdk_aac_decoder_deps="libfdk_aac"
2163 libfdk_aac_encoder_deps="libfdk_aac"
2164 libfdk_aac_encoder_select="audio_frame_queue"
2165 libgsm_decoder_deps="libgsm"
2166 libgsm_encoder_deps="libgsm"
2167 libgsm_ms_decoder_deps="libgsm"
2168 libgsm_ms_encoder_deps="libgsm"
2169 libilbc_decoder_deps="libilbc"
2170 libilbc_encoder_deps="libilbc"
2171 libkvazaar_encoder_deps="libkvazaar"
2172 libmp3lame_encoder_deps="libmp3lame"
2173 libmp3lame_encoder_select="audio_frame_queue"
2174 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2175 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2176 libopencore_amrnb_encoder_select="audio_frame_queue"
2177 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2178 libopenh264_encoder_deps="libopenh264"
2179 libopenjpeg_decoder_deps="libopenjpeg"
2180 libopenjpeg_encoder_deps="libopenjpeg"
2181 libopus_decoder_deps="libopus"
2182 libopus_encoder_deps="libopus"
2183 libopus_encoder_select="audio_frame_queue"
2184 libschroedinger_decoder_deps="libschroedinger"
2185 libschroedinger_encoder_deps="libschroedinger"
2186 libspeex_decoder_deps="libspeex"
2187 libspeex_encoder_deps="libspeex"
2188 libspeex_encoder_select="audio_frame_queue"
2189 libtheora_encoder_deps="libtheora"
2190 libtwolame_encoder_deps="libtwolame"
2191 libvo_aacenc_encoder_deps="libvo_aacenc"
2192 libvo_aacenc_encoder_select="audio_frame_queue"
2193 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2194 libvorbis_encoder_deps="libvorbis"
2195 libvorbis_encoder_select="audio_frame_queue"
2196 libvpx_vp8_decoder_deps="libvpx"
2197 libvpx_vp8_encoder_deps="libvpx"
2198 libvpx_vp9_decoder_deps="libvpx"
2199 libvpx_vp9_encoder_deps="libvpx"
2200 libwavpack_encoder_deps="libwavpack"
2201 libwebp_encoder_deps="libwebp"
2202 libx262_encoder_deps="libx262"
2203 libx264_encoder_deps="libx264"
2204 libx265_encoder_deps="libx265"
2205 libxavs_encoder_deps="libxavs"
2206 libxvid_encoder_deps="libxvid"
2207
2208 # demuxers / muxers
2209 ac3_demuxer_select="ac3_parser"
2210 asf_demuxer_select="riffdec"
2211 asf_muxer_select="riffenc"
2212 asf_stream_muxer_select="asf_muxer"
2213 avi_demuxer_select="riffdec"
2214 avi_muxer_select="riffenc"
2215 avisynth_demuxer_deps="avisynth"
2216 avisynth_demuxer_select="riffdec"
2217 caf_demuxer_select="riffdec"
2218 dash_muxer_select="mp4_muxer"
2219 dirac_demuxer_select="dirac_parser"
2220 dv_demuxer_select="dvprofile"
2221 dv_muxer_select="dvprofile"
2222 dxa_demuxer_select="riffdec"
2223 eac3_demuxer_select="ac3_parser"
2224 f4v_muxer_select="mov_muxer"
2225 flac_demuxer_select="flac_parser"
2226 hds_muxer_select="flv_muxer"
2227 hls_muxer_select="mpegts_muxer"
2228 ipod_muxer_select="mov_muxer"
2229 ismv_muxer_select="mov_muxer"
2230 matroska_audio_muxer_select="matroska_muxer"
2231 matroska_demuxer_select="riffdec"
2232 matroska_demuxer_suggest="bzlib lzo zlib"
2233 matroska_muxer_select="riffenc"
2234 mmf_muxer_select="riffenc"
2235 mov_demuxer_select="riffdec"
2236 mov_demuxer_suggest="zlib"
2237 mov_muxer_select="riffenc rtpenc_chain"
2238 mp3_demuxer_select="mpegaudio_parser"
2239 mp4_muxer_select="mov_muxer"
2240 mpegts_muxer_select="adts_muxer latm_muxer"
2241 mpegtsraw_demuxer_select="mpegts_demuxer"
2242 mxf_d10_muxer_select="mxf_muxer"
2243 nut_muxer_select="riffenc"
2244 nuv_demuxer_select="riffdec"
2245 oga_muxer_select="ogg_muxer"
2246 ogg_demuxer_select="dirac_parse"
2247 opus_muxer_select="ogg_muxer"
2248 psp_muxer_select="mov_muxer"
2249 rtp_demuxer_select="sdp_demuxer"
2250 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2251 rtsp_demuxer_select="http_protocol rtpdec"
2252 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2253 sap_demuxer_select="sdp_demuxer"
2254 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2255 sdp_demuxer_select="rtpdec"
2256 smoothstreaming_muxer_select="ismv_muxer"
2257 spdif_muxer_select="aac_parser"
2258 spx_muxer_select="ogg_muxer"
2259 swf_demuxer_suggest="zlib"
2260 tak_demuxer_select="tak_parser"
2261 tg2_muxer_select="mov_muxer"
2262 tgp_muxer_select="mov_muxer"
2263 w64_demuxer_select="wav_demuxer"
2264 wav_demuxer_select="riffdec"
2265 wav_muxer_select="riffenc"
2266 webm_muxer_select="riffenc"
2267 webm_muxer_suggest="libopus_encoder libvorbis_encoder libvpx_vp8_encoder libvpx_vp9_encoder"
2268 wtv_demuxer_select="riffdec"
2269 xmv_demuxer_select="riffdec"
2270 xwma_demuxer_select="riffdec"
2271
2272 # indevs / outdevs
2273 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2274 alsa_outdev_deps="alsa_asoundlib_h"
2275 avfoundation_indev_deps="AVFoundation_AVFoundation_h"
2276 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2277 dv1394_indev_deps="dv1394"
2278 dv1394_indev_select="dv_demuxer"
2279 fbdev_indev_deps="linux_fb_h"
2280 jack_indev_deps="jack_jack_h pthreads"
2281 libcdio_indev_deps="libcdio"
2282 libdc1394_indev_deps="libdc1394"
2283 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2284 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2285 pulse_indev_deps="libpulse"
2286 sndio_indev_deps="sndio_h"
2287 sndio_outdev_deps="sndio_h"
2288 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2289 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2290 vfwcap_indev_extralibs="-lavicap32"
2291 x11grab_indev_deps="x11grab"
2292 x11grab_xcb_indev_deps="libxcb"
2293
2294 # protocols
2295 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2296 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2297 ffrtmpcrypt_protocol_select="tcp_protocol"
2298 ffrtmphttp_protocol_deps="!librtmp_protocol"
2299 ffrtmphttp_protocol_select="http_protocol"
2300 gopher_protocol_select="network"
2301 http_protocol_select="tcp_protocol"
2302 httpproxy_protocol_select="tcp_protocol"
2303 https_protocol_select="tls_protocol"
2304 icecast_protocol_select="http_protocol"
2305 librtmp_protocol_deps="librtmp"
2306 librtmpe_protocol_deps="librtmp"
2307 librtmps_protocol_deps="librtmp"
2308 librtmpt_protocol_deps="librtmp"
2309 librtmpte_protocol_deps="librtmp"
2310 mmsh_protocol_select="http_protocol"
2311 mmst_protocol_select="network"
2312 rtmp_protocol_deps="!librtmp_protocol"
2313 rtmp_protocol_select="tcp_protocol"
2314 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2315 rtmps_protocol_deps="!librtmp_protocol"
2316 rtmps_protocol_select="tls_protocol"
2317 rtmpt_protocol_select="ffrtmphttp_protocol"
2318 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2319 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2320 rtp_protocol_select="udp_protocol"
2321 sctp_protocol_deps="struct_sctp_event_subscribe"
2322 sctp_protocol_select="network"
2323 srtp_protocol_select="rtp_protocol"
2324 tcp_protocol_select="network"
2325 tls_gnutls_protocol_deps="gnutls"
2326 tls_gnutls_protocol_select="tcp_protocol"
2327 tls_openssl_protocol_deps="openssl !tls_gnutls_protocol"
2328 tls_openssl_protocol_select="tcp_protocol"
2329 tls_protocol_deps_any="tls_gnutls_protocol tls_openssl_protocol"
2330 udp_protocol_select="network"
2331 unix_protocol_deps="sys_un_h"
2332 unix_protocol_select="network"
2333
2334 # filters
2335 blackframe_filter_deps="gpl"
2336 boxblur_filter_deps="gpl"
2337 bs2b_filter_deps="libbs2b"
2338 cropdetect_filter_deps="gpl"
2339 delogo_filter_deps="gpl"
2340 drawtext_filter_deps="libfreetype"
2341 frei0r_filter_deps="frei0r dlopen"
2342 frei0r_filter_extralibs='$ldl'
2343 frei0r_src_filter_deps="frei0r dlopen"
2344 frei0r_src_filter_extralibs='$ldl'
2345 hqdn3d_filter_deps="gpl"
2346 interlace_filter_deps="gpl"
2347 ocv_filter_deps="libopencv"
2348 resample_filter_deps="avresample"
2349 scale_filter_deps="swscale"
2350
2351 # examples
2352 avcodec_example_deps="avcodec avutil"
2353 filter_audio_example_deps="avfilter avutil"
2354 metadata_example_deps="avformat avutil"
2355 output_example_deps="avcodec avformat avutil swscale"
2356 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2357 transcode_aac_example_deps="avcodec avformat avresample"
2358
2359 # libraries, in linking order
2360 avcodec_deps="avutil"
2361 avdevice_deps="avformat avcodec avutil"
2362 avfilter_deps="avutil"
2363 avformat_deps="avcodec avutil"
2364 avresample_deps="avutil"
2365 swscale_deps="avutil"
2366
2367 # programs
2368 avconv_deps="avcodec avfilter avformat avresample swscale"
2369 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2370 fps_filter null_filter resample_filter scale_filter
2371 setpts_filter trim_filter"
2372 avplay_deps="avcodec avformat avresample swscale sdl"
2373 avplay_libs='$sdl_libs'
2374 avplay_select="rdft transpose_filter hflip_filter vflip_filter"
2375 avprobe_deps="avcodec avformat"
2376
2377 # documentation
2378 pod2man_deps="doc"
2379 texi2html_deps="doc"
2380
2381 # default parameters
2382
2383 logfile="config.log"
2384
2385 # installation paths
2386 prefix_default="/usr/local"
2387 bindir_default='${prefix}/bin'
2388 datadir_default='${prefix}/share/avconv'
2389 docdir_default='${prefix}/share/doc/libav'
2390 incdir_default='${prefix}/include'
2391 libdir_default='${prefix}/lib'
2392 mandir_default='${prefix}/share/man'
2393 shlibdir_default="$libdir_default"
2394
2395 # toolchain
2396 ar_default="ar"
2397 cc_default="gcc"
2398 host_cc_default="gcc"
2399 cp_f="cp -f"
2400 ln_s="ln -s -f"
2401 nm_default="nm -g"
2402 objformat="elf"
2403 pkg_config_default=pkg-config
2404 ranlib="ranlib"
2405 strip="strip"
2406 yasmexe="yasm"
2407
2408 # machine
2409 arch_default=$(uname -m)
2410 cpu="generic"
2411 intrinsics="none"
2412
2413 # OS
2414 target_os_default=$(tolower $(uname -s))
2415 host_os=$target_os_default
2416
2417 # configurable options
2418 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2419
2420 enable asm
2421 enable debug
2422 enable doc
2423 enable faan faandct faanidct
2424 enable optimizations
2425 enable safe_bitstream_reader
2426 enable static
2427 enable swscale_alpha
2428 enable valgrind_backtrace
2429
2430 # By default, enable only those hwaccels that have no external dependencies.
2431 enable d3d11va dxva2 vda vdpau
2432
2433 # build settings
2434 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2435 LIBPREF="lib"
2436 LIBSUF=".a"
2437 FULLNAME='$(NAME)$(BUILDSUF)'
2438 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2439 SLIBPREF="lib"
2440 SLIBSUF=".so"
2441 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2442 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2443 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2444 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2445 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2446 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2447
2448 asflags_filter=echo
2449 cflags_filter=echo
2450 ldflags_filter=echo
2451
2452 AS_C='-c'
2453 AS_O='-o $@'
2454 CC_C='-c'
2455 CC_E='-E -o $@'
2456 CC_O='-o $@'
2457 OBJCC_C='-c'
2458 OBJCC_E='-E -o $@'
2459 OBJCC_O='-o $@'
2460 LD_O='-o $@'
2461 LD_LIB='-l%'
2462 LD_PATH='-L'
2463 HOSTCC_C='-c'
2464 HOSTCC_E='-E -o $@'
2465 HOSTCC_O='-o $@'
2466 HOSTLD_O='-o $@'
2467
2468 host_libs='-lm'
2469 host_cflags_filter=echo
2470 host_ldflags_filter=echo
2471
2472 target_path='$(CURDIR)'
2473
2474 # since the object filename is not given with the -MM flag, the compiler
2475 # is only able to print the basename, and we must add the path ourselves
2476 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2477 DEPFLAGS='-MM'
2478
2479 # find source path
2480 if test -f configure; then
2481 source_path=.
2482 else
2483 source_path=$(cd $(dirname "$0"); pwd)
2484 echo "$source_path" | grep -q '[[:blank:]]' &&
2485 die "Out of tree builds are impossible with whitespace in source path."
2486 test -e "$source_path/config.h" &&
2487 die "Out of tree builds are impossible with config.h in source dir."
2488 fi
2489
2490 for v in "$@"; do
2491 r=${v#*=}
2492 l=${v%"$r"}
2493 r=$(sh_quote "$r")
2494 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2495 done
2496
2497 find_things(){
2498 thing=$1
2499 pattern=$2
2500 file=$source_path/$3
2501 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2502 }
2503
2504 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2505 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2506 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2507 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2508 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2509 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2510 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2511 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2512 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2513 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2514 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2515
2516 ALL_COMPONENTS="
2517 $BSF_LIST
2518 $DECODER_LIST
2519 $DEMUXER_LIST
2520 $ENCODER_LIST
2521 $FILTER_LIST
2522 $HWACCEL_LIST
2523 $INDEV_LIST
2524 $MUXER_LIST
2525 $OUTDEV_LIST
2526 $PARSER_LIST
2527 $PROTOCOL_LIST
2528 "
2529
2530 for n in $COMPONENT_LIST; do
2531 v=$(toupper ${n%s})_LIST
2532 eval enable \$$v
2533 eval ${n}_if_any="\$$v"
2534 done
2535
2536 enable $ARCH_EXT_LIST
2537
2538 die_unknown(){
2539 echo "Unknown option \"$1\"."
2540 echo "See $0 --help for available options."
2541 exit 1
2542 }
2543
2544 print_3_columns() {
2545 printf "%-25s %-25s %-25s\n" $(cat | tr ' ' '\n' | sort)
2546 }
2547
2548 show_list() {
2549 suffix=_$1
2550 shift
2551 echo $* | sed s/$suffix//g | print_3_columns
2552 exit 0
2553 }
2554
2555 rand_list(){
2556 IFS=', '
2557 set -- $*
2558 unset IFS
2559 for thing; do
2560 comp=${thing%:*}
2561 prob=${thing#$comp}
2562 prob=${prob#:}
2563 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2564 echo "prob ${prob:-0.5}"
2565 printf '%s\n' $comp
2566 done
2567 }
2568
2569 do_random(){
2570 action=$1
2571 shift
2572 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2573 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2574 }
2575
2576 for opt do
2577 optval="${opt#*=}"
2578 case "$opt" in
2579 --extra-ldflags=*)
2580 add_ldflags $optval
2581 ;;
2582 --extra-ldexeflags=*)
2583 add_ldexeflags $optval
2584 ;;
2585 --extra-libs=*)
2586 add_extralibs $optval
2587 ;;
2588 --disable-devices)
2589 disable $INDEV_LIST $OUTDEV_LIST
2590 ;;
2591 --enable-debug=*)
2592 debuglevel="$optval"
2593 ;;
2594 --disable-programs)
2595 disable $PROGRAM_LIST
2596 ;;
2597 --disable-everything)
2598 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2599 ;;
2600 --disable-all)
2601 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2602 disable $LIBRARY_LIST $PROGRAM_LIST doc
2603 ;;
2604 --enable-random|--disable-random)
2605 action=${opt%%-random}
2606 do_random ${action#--} $COMPONENT_LIST
2607 ;;
2608 --enable-random=*|--disable-random=*)
2609 action=${opt%%-random=*}
2610 do_random ${action#--} $optval
2611 ;;
2612 --enable-*=*|--disable-*=*)
2613 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2614 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2615 eval list=\$$(toupper $thing)_LIST
2616 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2617 $action $(filter "$name" $list)
2618 ;;
2619 --enable-avserver|--disable-avserver*)
2620 warn "avserver has been removed, the ${opt} option is only"\
2621 "provided for compatibility and will be removed in the future"
2622 ;;
2623 --enable-?*|--disable-?*)
2624 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2625 if is_in $option $COMPONENT_LIST; then
2626 test $action = disable && action=unset
2627 eval $action \$$(toupper ${option%s})_LIST
2628 elif is_in $option $CMDLINE_SELECT; then
2629 $action $option
2630 else
2631 die_unknown $opt
2632 fi
2633 ;;
2634 --list-*)
2635 NAME="${opt#--list-}"
2636 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2637 NAME=${NAME%s}
2638 eval show_list $NAME \$$(toupper $NAME)_LIST
2639 ;;
2640 --help|-h) show_help
2641 ;;
2642 *)
2643 optname="${opt%%=*}"
2644 optname="${optname#--}"
2645 optname=$(echo "$optname" | sed 's/-/_/g')
2646 if is_in $optname $CMDLINE_SET; then
2647 eval $optname='$optval'
2648 elif is_in $optname $CMDLINE_APPEND; then
2649 append $optname "$optval"
2650 else
2651 die_unknown $opt
2652 fi
2653 ;;
2654 esac
2655 done
2656
2657 for e in $env; do
2658 eval "export $e"
2659 done
2660
2661 disabled logging && logfile=/dev/null
2662
2663 # Disable all the library-specific components if the library itself
2664 # is disabled, see AVCODEC_LIST and following _LIST variables.
2665
2666 disable_components(){
2667 disabled ${1} && disable $(
2668 eval components="\$$(toupper ${1})_COMPONENTS"
2669 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
2670 )
2671 }
2672
2673 map 'disable_components $v' $LIBRARY_LIST
2674
2675 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2676 set >> $logfile
2677
2678 case "$toolchain" in
2679 clang-asan)
2680 cc_default="clang"
2681 add_cflags -fsanitize=address
2682 add_ldflags -fsanitize=address
2683 ;;
2684 clang-tsan)
2685 cc_default="clang"
2686 add_cflags -fsanitize=thread -pie
2687 add_ldflags -fsanitize=thread -pie
2688 ;;
2689 clang-usan)
2690 cc_default="clang"
2691 add_cflags -fsanitize=undefined -O1
2692 add_ldflags -fsanitize=undefined
2693 ;;
2694 gcc-asan)
2695 cc_default="gcc"
2696 add_cflags -fsanitize=address
2697 add_ldflags -fsanitize=address
2698 ;;
2699 gcc-tsan)
2700 cc_default="gcc"
2701 add_cflags -fsanitize=thread -pie -fPIC
2702 add_ldflags -fsanitize=thread -pie -fPIC
2703 ;;
2704 gcc-usan)
2705 cc_default="gcc"
2706 add_cflags -fsanitize=undefined
2707 add_ldflags -fsanitize=undefined
2708 ;;
2709 valgrind-massif)
2710 target_exec_default="valgrind"
2711 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2712 ;;
2713 valgrind-memcheck)
2714 target_exec_default="valgrind"
2715 target_exec_args="--track-origins=yes --leak-check=full"
2716 ;;
2717 msvc)
2718 # Check whether the current MSVC version needs the C99 converter.
2719 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2720 # support enough of C99 to build libav. Default to the new
2721 # behaviour if the regexp was unable to match anything, since this
2722 # successfully parses the version number of existing supported
2723 # versions that require the converter (MSVC 2010 and 2012).
2724 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2725 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2726 cc_default="cl"
2727 else
2728 cc_default="c99wrap cl"
2729 fi
2730 ld_default="$source_path/compat/windows/mslink"
2731 nm_default="dumpbin -symbols"
2732 ar_default="lib"
2733 case "$arch" in
2734 arm*)
2735 as_default="armasm"
2736 ;;
2737 esac
2738 target_os_default="win32"
2739 # Use a relative path for TMPDIR. This makes sure all the
2740 # ffconf temp files are written with a relative path, avoiding
2741 # issues with msys/win32 path conversion for MSVC parameters
2742 # such as -Fo<file> or -out:<file>.
2743 TMPDIR=.
2744 ;;
2745 icl)
2746 cc_default="icl"
2747 ld_default="xilink"
2748 nm_default="dumpbin -symbols"
2749 ar_default="xilib"
2750 target_os_default="win32"
2751 TMPDIR=.
2752 ;;
2753 gcov)
2754 add_cflags -fprofile-arcs -ftest-coverage
2755 add_ldflags -fprofile-arcs -ftest-coverage
2756 ;;
2757 hardened)
2758 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
2759 add_cflags -fno-strict-overflow -fstack-protector-all
2760 add_ldflags -Wl,-z,relro -Wl,-z,now
2761 ;;
2762 ?*)
2763 die "Unknown toolchain $toolchain"
2764 ;;
2765 esac
2766
2767 test -n "$cross_prefix" && enable cross_compile
2768
2769 if enabled cross_compile; then
2770 test -n "$arch" && test -n "$target_os" ||
2771 die "Must specify target arch and OS when cross-compiling"
2772 fi
2773
2774 ar_default="${cross_prefix}${ar_default}"
2775 cc_default="${cross_prefix}${cc_default}"
2776 occ_default="${cross_prefix}${occ_default}"
2777 nm_default="${cross_prefix}${nm_default}"
2778 pkg_config_default="${cross_prefix}${pkg_config_default}"
2779 ranlib="${cross_prefix}${ranlib}"
2780 strip="${cross_prefix}${strip}"
2781
2782 sysinclude_default="${sysroot}/usr/include"
2783
2784 set_default arch cc pkg_config sysinclude target_exec target_os
2785 enabled cross_compile || host_cc_default=$cc
2786 set_default host_cc
2787
2788 if ! $pkg_config --version >/dev/null 2>&1; then
2789 warn "$pkg_config not found, library detection may fail."
2790 pkg_config=false
2791 fi
2792
2793 exesuf() {
2794 case $1 in
2795 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2796 esac
2797 }
2798
2799 EXESUF=$(exesuf $target_os)
2800 HOSTEXESUF=$(exesuf $host_os)
2801
2802 # set temporary file name
2803 : ${TMPDIR:=$TEMPDIR}
2804 : ${TMPDIR:=$TMP}
2805 : ${TMPDIR:=/tmp}
2806
2807 if ! check_cmd mktemp -u XXXXXX; then
2808 # simple replacement for missing mktemp
2809 # NOT SAFE FOR GENERAL USE
2810 mktemp(){
2811 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2812 }
2813 fi
2814
2815 tmpfile(){
2816 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2817 (set -C; exec > $tmp) 2>/dev/null ||
2818 die "Unable to create temporary file in $TMPDIR."
2819 append TMPFILES $tmp
2820 eval $1=$tmp
2821 }
2822
2823 trap 'rm -f -- $TMPFILES' EXIT
2824
2825 tmpfile TMPASM .asm
2826 tmpfile TMPC .c
2827 tmpfile TMPE $EXESUF
2828 tmpfile TMPH .h
2829 tmpfile TMPO .o
2830 tmpfile TMPS .S
2831 tmpfile TMPSH .sh
2832 tmpfile TMPV .ver
2833
2834 unset -f mktemp
2835
2836 chmod +x $TMPE
2837
2838 # make sure we can execute files in $TMPDIR
2839 cat > $TMPSH 2>> $logfile <<EOF
2840 #! /bin/sh
2841 EOF
2842 chmod +x $TMPSH >> $logfile 2>&1
2843 if ! $TMPSH >> $logfile 2>&1; then
2844 cat <<EOF
2845 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2846 variable to another directory and make sure that it is not mounted noexec.
2847 EOF
2848 die "Sanity test failed."
2849 fi
2850
2851 armasm_flags(){
2852 for flag; do
2853 case $flag in
2854 # Filter out MSVC cl.exe options from cflags that shouldn't
2855 # be passed to gas-preprocessor
2856 -M[TD]*) ;;
2857 *) echo $flag ;;
2858 esac
2859 done
2860 }
2861
2862 ccc_flags(){
2863 for flag; do
2864 case $flag in
2865 -std=c99) echo -c99 ;;
2866 -mcpu=*) echo -arch ${flag#*=} ;;
2867 -mieee) echo -ieee ;;
2868 -O*|-fast) echo $flag ;;
2869 -fno-math-errno) echo -assume nomath_errno ;;
2870 -g) echo -g3 ;;
2871 -Wall) echo -msg_enable level2 ;;
2872 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2873 -Wl,*) echo $flag ;;
2874 -f*|-W*) ;;
2875 *) echo $flag ;;
2876 esac
2877 done
2878 }
2879
2880 cparser_flags(){
2881 for flag; do
2882 case $flag in
2883 -Wno-switch) echo -Wno-switch-enum ;;
2884 -Wno-format-zero-length) ;;
2885 -Wdisabled-optimization) ;;
2886 -Wno-pointer-sign) echo -Wno-other ;;
2887 *) echo $flag ;;
2888 esac
2889 done
2890 }
2891
2892 msvc_common_flags(){
2893 for flag; do
2894 case $flag in
2895 # In addition to specifying certain flags under the compiler
2896 # specific filters, they must be specified here as well or else the
2897 # generic catch all at the bottom will print the original flag.
2898 -Wall) ;;
2899 -std=c99) ;;
2900 # Common flags
2901 -fomit-frame-pointer) ;;
2902 -g) echo -Z7 ;;
2903 -fno-math-errno) ;;
2904 -fno-common) ;;
2905 -fno-signed-zeros) ;;
2906 -fPIC) ;;
2907 -mthumb) ;;
2908 -march=*) ;;
2909 -lz) echo zlib.lib ;;
2910 -lavifil32) echo vfw32.lib ;;
2911 -lavicap32) echo vfw32.lib user32.lib ;;
2912 -l*) echo ${flag#-l}.lib ;;
2913 -L*) echo -libpath:${flag#-L} ;;
2914 *) echo $flag ;;
2915 esac
2916 done
2917 }
2918
2919 msvc_flags(){
2920 msvc_common_flags "$@"
2921 for flag; do
2922 case $flag in
2923 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2924 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2925 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2926 -wd4273 -wd4554 -wd4701 ;;
2927 esac
2928 done
2929 }
2930
2931 icl_flags(){
2932 msvc_common_flags "$@"
2933 for flag; do
2934 case $flag in
2935 # Despite what Intel's documentation says -Wall, which is supported
2936 # on Windows, does enable remarks so disable them here.
2937 -Wall) echo $flag -Qdiag-disable:remark ;;
2938 -std=c99) echo -Qstd=c99 ;;
2939 esac
2940 done
2941 }
2942
2943 pgi_flags(){
2944 for flag; do
2945 case $flag in
2946 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2947 -fomit-frame-pointer) echo -Mnoframe ;;
2948 -g) echo -gopt ;;
2949 *) echo $flag ;;
2950 esac
2951 done
2952 }
2953
2954 suncc_flags(){
2955 for flag; do
2956 case $flag in
2957 -march=*|-mcpu=*)
2958 case "${flag#*=}" in
2959 native) echo -xtarget=native ;;
2960 v9|niagara) echo -xarch=sparc ;;
2961 ultrasparc) echo -xarch=sparcvis ;;
2962 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2963 i586|pentium) echo -xchip=pentium ;;
2964 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2965 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2966 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2967 pentium4*) echo -xtarget=pentium4 ;;
2968 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2969 *-sse3) echo -xarch=sse3 ;;
2970 core2) echo -xarch=ssse3 -xchip=core2 ;;
2971 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2972 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2973 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
2974 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2975 k8|opteron|athlon64|athlon-fx)
2976 echo -xarch=sse2a ;;
2977 athlon*) echo -xarch=pentium_proa ;;
2978 esac
2979 ;;
2980 -std=c99) echo -xc99 ;;
2981 -fomit-frame-pointer) echo -xregs=frameptr ;;
2982 -fPIC) echo -KPIC -xcode=pic32 ;;
2983 -W*,*) echo $flag ;;
2984 -f*-*|-W*|-mimpure-text) ;;
2985 -shared) echo -G ;;
2986 *) echo $flag ;;
2987 esac
2988 done
2989 }
2990
2991 tms470_flags(){
2992 for flag; do
2993 case $flag in
2994 -march=*|-mcpu=*)
2995 case "${flag#*=}" in
2996 armv7-a|cortex-a*) echo -mv=7a8 ;;
2997 armv7-r|cortex-r*) echo -mv=7r4 ;;
2998 armv7-m|cortex-m*) echo -mv=7m3 ;;
2999 armv6*|arm11*) echo -mv=6 ;;
3000 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3001 echo -mv=5e ;;
3002 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3003 esac
3004 ;;
3005 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3006 -mfpu=vfp) echo --float_support=vfpv2 ;;
3007 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3008 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3009 -msoft-float) echo --float_support=vfplib ;;
3010 -O[0-3]|-mf=*) echo $flag ;;
3011 -g) echo -g -mn ;;
3012 -pds=*) echo $flag ;;
3013 -D*|-I*) echo $flag ;;
3014 --gcc|--abi=*) echo $flag ;;
3015 -me) echo $flag ;;
3016 esac
3017 done
3018 }
3019
3020 probe_cc(){
3021 pfx=$1
3022 _cc=$2
3023
3024 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3025 unset _ld_o _ldflags _ld_lib _ld_path
3026 unset _depflags _DEPCMD _DEPFLAGS
3027 _flags_filter=echo
3028
3029 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3030 _type=llvm_gcc
3031 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3032 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3033 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3034 _cflags_speed='-O3'
3035 _cflags_size='-Os'
3036 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3037 _type=gcc
3038 gcc_version=$($_cc --version | head -n1)
3039 gcc_basever=$($_cc -dumpversion)
3040 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3041 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3042 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3043 if ! $_cc -dumpversion | grep -q '^2\.'; then
3044 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3045 fi
3046 _cflags_speed='-O3'
3047 _cflags_size='-Os'
3048 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3049 _type=icc
3050 _ident=$($_cc --version | head -n1)
3051 _depflags='-MMD'
3052 _cflags_speed='-O3'
3053 _cflags_size='-Os'
3054 _cflags_noopt='-O1'
3055 elif $_cc -v 2>&1 | grep -q xlc; then
3056 _type=xlc
3057 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3058 _cflags_speed='-O5'
3059 _cflags_size='-O5 -qcompact'
3060 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3061 _type=ccc
3062 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3063 _DEPFLAGS='-M'
3064 _cflags_speed='-fast'
3065 _cflags_size='-O1'
3066 _flags_filter=ccc_flags
3067 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3068 test -d "$sysroot" || die "No valid sysroot specified."
3069 _type=armcc
3070 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3071 armcc_conf="$PWD/armcc.conf"
3072 $_cc --arm_linux_configure \
3073 --arm_linux_config_file="$armcc_conf" \
3074 --configure_sysroot="$sysroot" \
3075 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3076 die "Error creating armcc configuration file."
3077 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3078 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3079 as_default="${cross_prefix}gcc"
3080 _depflags='-MMD'
3081 _cflags_speed='-O3'
3082 _cflags_size='-Os'
3083 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3084 _type=tms470
3085 _ident=$($_cc -version | head -n1 | tr -s ' ')
3086 _flags='--gcc --abi=eabi -me'
3087 _cc_e='-ppl -fe=$@'
3088 _cc_o='-fe=$@'
3089 _depflags='-ppa -ppd=$(@:.o=.d)'
3090 _cflags_speed='-O3 -mf=5'
3091 _cflags_size='-O3 -mf=2'
3092 _flags_filter=tms470_flags
3093 elif $_cc -v 2>&1 | grep -q clang; then
3094 _type=clang
3095 _ident=$($_cc --version 2>/dev/null | head -n1)
3096 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3097 _cflags_speed='-O3'
3098 _cflags_size='-Os'
3099 elif $_cc -V 2>&1 | grep -q Sun; then
3100 _type=suncc
3101 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3102 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3103 _DEPFLAGS='-xM1 -xc99'
3104 _ldflags='-std=c99'
3105 _cflags_speed='-O5'
3106 _cflags_size='-O5 -xspace'
3107 _flags_filter=suncc_flags
3108 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3109 _type=pathscale
3110 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3111 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3112 _cflags_speed='-O2'
3113 _cflags_size='-Os'
3114 _flags_filter='filter_out -Wdisabled-optimization'
3115 elif $_cc -v 2>&1 | grep -q Open64; then
3116 _type=open64
3117 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3118 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3119 _cflags_speed='-O2'
3120 _cflags_size='-Os'
3121 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3122 elif $_cc -V 2>&1 | grep -q Portland; then
3123 _type=pgi
3124 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3125 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3126 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3127 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3128 _cflags_noopt="-O1"
3129 _flags_filter=pgi_flags
3130 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3131 _type=armasm
3132 _ident=$($_cc | head -n1)
3133 # 4509: "This form of conditional instruction is deprecated"
3134 _flags="-nologo -ignore 4509"
3135 _flags_filter=armasm_flags
3136 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3137 _type=msvc
3138 _ident=$($_cc 2>&1 | head -n1)
3139 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3140 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3141 _cflags_speed="-O2"
3142 _cflags_size="-O1"
3143 if $_cc -nologo- 2>&1 | grep -q Linker; then
3144 _ld_o='-out:$@'
3145 else
3146 _ld_o='-Fe$@'
3147 fi
3148 _cc_o='-Fo$@'
3149 _cc_e='-P -Fi$@'
3150 _flags_filter=msvc_flags
3151 _ld_lib='lib%.a'
3152 _ld_path='-libpath:'
3153 _flags='-nologo'
3154 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS'
3155 elif $_cc 2>&1 | grep -q Intel; then
3156 _type=icl
3157 _ident=$($_cc 2>&1 | head -n1)
3158 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3159 # Not only is O3 broken on 13.x+ but it is slower on all previous
3160 # versions (tested) as well.
3161 _cflags_speed="-O2"
3162 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3163 if $_cc 2>&1 | grep -q Linker; then
3164 _ld_o='-out:$@'
3165 else
3166 _ld_o='-Fe$@'
3167 fi
3168 _cc_o='-Fo$@'
3169 _cc_e='-P'
3170 _flags_filter=icl_flags
3171 _ld_lib='lib%.a'
3172 _ld_path='-libpath:'
3173 # -Qdiag-error to make icl error when seeing certain unknown arguments
3174 _flags='-nologo -Qdiag-error:4044,10157'
3175 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3176 # with MSVC which enables it by default.
3177 _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS'
3178 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3179 _type=cparser
3180 _ident=$($_cc --version | head -n1)
3181 _depflags='-MMD'
3182 _cflags_speed='-O4'
3183 _cflags_size='-O2'
3184 _flags_filter=cparser_flags
3185 fi
3186
3187 eval ${pfx}_type=\$_type
3188 eval ${pfx}_ident=\$_ident
3189 }
3190
3191 set_ccvars(){
3192 eval ${1}_C=\${_cc_c-\${${1}_C}}
3193 eval ${1}_E=\${_cc_e-\${${1}_E}}
3194 eval ${1}_O=\${_cc_o-\${${1}_O}}
3195
3196 if [ -n "$_depflags" ]; then
3197 eval ${1}_DEPFLAGS=\$_depflags
3198 else
3199 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3200 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3201 eval DEP${1}FLAGS=\$_flags
3202 fi
3203 }
3204
3205 probe_cc cc "$cc"
3206 cflags_filter=$_flags_filter
3207 cflags_speed=$_cflags_speed
3208 cflags_size=$_cflags_size
3209 cflags_noopt=$_cflags_noopt
3210 add_cflags $_flags $_cflags
3211 cc_ldflags=$_ldflags
3212 set_ccvars CC
3213
3214 probe_cc hostcc "$host_cc"
3215 host_cflags_filter=$_flags_filter
3216 add_host_cflags $_flags $_cflags
3217 set_ccvars HOSTCC
3218
3219 test -n "$cc_type" && enable $cc_type ||
3220 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3221
3222 : ${as_default:=$cc}
3223 : ${objcc_default:=$cc}
3224 : ${dep_cc_default:=$cc}
3225 : ${ld_default:=$cc}
3226 : ${host_ld_default:=$host_cc}
3227 set_default ar as objcc dep_cc ld host_ld
3228
3229 probe_cc as "$as"
3230 asflags_filter=$_flags_filter
3231 add_asflags $_flags $_cflags
3232 set_ccvars AS
3233
3234 probe_cc objcc "$objcc"
3235 objcflags_filter=$_flags_filter
3236 add_objcflags $_flags $_cflags
3237 set_ccvars OBJC
3238
3239 probe_cc ld "$ld"
3240 ldflags_filter=$_flags_filter
3241 add_ldflags $_flags $_ldflags
3242 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3243 LD_O=${_ld_o-$LD_O}
3244 LD_LIB=${_ld_lib-$LD_LIB}
3245 LD_PATH=${_ld_path-$LD_PATH}
3246
3247 probe_cc hostld "$host_ld"
3248 host_ldflags_filter=$_flags_filter
3249 add_host_ldflags $_flags $_ldflags
3250 HOSTLD_O=${_ld_o-$HOSTLD_O}
3251
3252 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3253 probe_cc depcc "$dep_cc"
3254 CCDEP=${_DEPCMD:-$DEPCMD}
3255 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3256 DEPCCFLAGS=$_flags
3257 fi
3258
3259 if $ar 2>&1 | grep -q Microsoft; then
3260 arflags="-nologo"
3261 ar_o='-out:$@'
3262 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3263 arflags="rq"
3264 ar_o='$@'
3265 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3266 arflags='-Xany -r -c'
3267 ar_o='$@'
3268 else
3269 arflags="rc"
3270 ar_o='$@'
3271 fi
3272
3273 add_cflags $extra_cflags
3274 add_objcflags $extra_objcflags
3275 add_asflags $extra_cflags
3276
3277 if test -n "$sysroot"; then
3278 case "$cc_type" in
3279 gcc|llvm_gcc|clang)
3280 add_cppflags --sysroot="$sysroot"
3281 add_ldflags --sysroot="$sysroot"
3282 ;;
3283 tms470)
3284 add_cppflags -I"$sysinclude"
3285 add_ldflags --sysroot="$sysroot"
3286 ;;
3287 esac
3288 fi
3289
3290 if test "$cpu" = host; then
3291 enabled cross_compile &&
3292 die "--cpu=host makes no sense when cross-compiling."
3293
3294 case "$cc_type" in
3295 gcc|llvm_gcc)
3296 check_native(){
3297 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3298 sed -n "/cc1.*$1=/{
3299 s/.*$1=\\([^ ]*\\).*/\\1/
3300 p
3301 q
3302 }" $TMPE
3303 }
3304 cpu=$(check_native -march || check_native -mcpu)
3305 ;;
3306 esac
3307
3308 test "${cpu:-host}" = host &&
3309 die "--cpu=host not supported with compiler $cc"
3310 fi
3311
3312 # Deal with common $arch aliases
3313 case "$arch" in
3314 aarch64|arm64)
3315 arch="aarch64"
3316 ;;
3317 arm*)
3318 arch="arm"
3319 ;;
3320 mips*|IP*)
3321 arch="mips"
3322 ;;
3323 parisc*|hppa*)
3324 arch="parisc"
3325 ;;
3326 "Power Macintosh"|ppc*|powerpc*)
3327 arch="ppc"
3328 ;;
3329 s390|s390x)
3330 arch="s390"
3331 ;;
3332 sh4|sh)
3333 arch="sh4"
3334 ;;
3335 sun4u|sparc*)
3336 arch="sparc"
3337 ;;
3338 tilegx|tile-gx)
3339 arch="tilegx"
3340 ;;
3341 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3342 arch="x86"
3343 ;;
3344 esac
3345
3346 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3347 enable $arch
3348
3349 # Add processor-specific flags
3350 if enabled aarch64; then
3351
3352 case $cpu in
3353 armv*)
3354 cpuflags="-march=$cpu"
3355 ;;
3356 *)
3357 cpuflags="-mcpu=$cpu"
3358 ;;
3359 esac
3360
3361 elif enabled alpha; then
3362
3363 cpuflags="-mcpu=$cpu"
3364
3365 elif enabled arm; then
3366
3367 check_arm_arch() {
3368 check_cpp_condition stddef.h \
3369 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3370 $cpuflags
3371 }
3372
3373 probe_arm_arch() {
3374 if check_arm_arch 4; then echo armv4;
3375 elif check_arm_arch 4T; then echo armv4t;
3376 elif check_arm_arch 5; then echo armv5;
3377 elif check_arm_arch 5E; then echo armv5e;
3378 elif check_arm_arch 5T; then echo armv5t;
3379 elif check_arm_arch 5TE; then echo armv5te;
3380 elif check_arm_arch 5TEJ; then echo armv5te;
3381 elif check_arm_arch 6; then echo armv6;
3382 elif check_arm_arch 6J; then echo armv6j;
3383 elif check_arm_arch 6K; then echo armv6k;
3384 elif check_arm_arch 6Z; then echo armv6z;
3385 elif check_arm_arch 6ZK; then echo armv6zk;
3386 elif check_arm_arch 6T2; then echo armv6t2;
3387 elif check_arm_arch 7; then echo armv7;
3388 elif check_arm_arch 7A 7_A; then echo armv7-a;
3389 elif check_arm_arch 7S; then echo armv7-a;
3390 elif check_arm_arch 7R 7_R; then echo armv7-r;
3391 elif check_arm_arch 7M 7_M; then echo armv7-m;
3392 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3393 elif check_arm_arch 8A 8_A; then echo armv8-a;
3394 fi
3395 }
3396
3397 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3398
3399 case $cpu in
3400 armv*)
3401 cpuflags="-march=$cpu"
3402 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3403 ;;
3404 *)
3405 cpuflags="-mcpu=$cpu"
3406 case $cpu in
3407 cortex-a*) subarch=armv7a ;;
3408 cortex-r*) subarch=armv7r ;;
3409 cortex-m*) enable thumb; subarch=armv7m ;;
3410 arm11*) subarch=armv6 ;;
3411 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3412 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3413 *) subarch=$(probe_arm_arch) ;;
3414 esac
3415 ;;
3416 esac
3417
3418 case "$subarch" in
3419 armv5t*) enable fast_clz ;;
3420 armv[6-8]*) enable fast_clz fast_unaligned ;;
3421 esac
3422
3423 elif enabled avr32; then
3424
3425 case $cpu in
3426 ap7[02]0[0-2])
3427 subarch="avr32_ap"
3428 cpuflags="-mpart=$cpu"
3429 ;;
3430 ap)
3431 subarch="avr32_ap"
3432 cpuflags="-march=$cpu"
3433 ;;
3434 uc3[ab]*)
3435 subarch="avr32_uc"
3436 cpuflags="-mcpu=$cpu"
3437 ;;
3438 uc)
3439 subarch="avr32_uc"
3440 cpuflags="-march=$cpu"
3441 ;;
3442 esac
3443
3444 elif enabled bfin; then
3445
3446 cpuflags="-mcpu=$cpu"
3447
3448 elif enabled mips; then
3449
3450 cpuflags="-march=$cpu"
3451
3452 elif enabled ppc; then
3453
3454 disable ldbrx
3455
3456 case $(tolower $cpu) in
3457 601|ppc601|powerpc601)
3458 cpuflags="-mcpu=601"
3459 disable altivec
3460 ;;
3461 603*|ppc603*|powerpc603*)
3462 cpuflags="-mcpu=603"
3463 disable altivec
3464 ;;
3465 604*|ppc604*|powerpc604*)
3466 cpuflags="-mcpu=604"
3467 disable altivec
3468 ;;
3469 g3|75*|ppc75*|powerpc75*)
3470 cpuflags="-mcpu=750"
3471 disable altivec
3472 ;;
3473 g4|745*|ppc745*|powerpc745*)
3474 cpuflags="-mcpu=7450"
3475 disable vsx
3476 ;;
3477 74*|ppc74*|powerpc74*)
3478 cpuflags="-mcpu=7400"
3479 disable vsx
3480 ;;
3481 g5|970|ppc970|powerpc970)
3482 cpuflags="-mcpu=970"
3483 disable vsx
3484 ;;
3485 power[3-6]*)
3486 cpuflags="-mcpu=$cpu"
3487 disable vsx
3488 ;;
3489 power[7-8]*)
3490 cpuflags="-mcpu=$cpu"
3491 enable ldbrx
3492 ;;
3493 cell)
3494 cpuflags="-mcpu=cell"
3495 enable ldbrx
3496 disable vsx
3497 ;;
3498 e500mc)
3499 cpuflags="-mcpu=e500mc"
3500 disable altivec
3501 ;;
3502 e500v2)
3503 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3504 disable altivec
3505 disable dcbzl
3506 ;;
3507 e500)
3508 cpuflags="-mcpu=8540 -mhard-float"
3509 disable altivec
3510 disable dcbzl
3511 ;;
3512 esac
3513
3514 elif enabled sparc; then
3515
3516 case $cpu in
3517 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3518 cpuflags="-mcpu=$cpu"
3519 ;;
3520 ultrasparc*|niagara[234])
3521 cpuflags="-mcpu=$cpu"
3522 ;;
3523 esac
3524
3525 elif enabled x86; then
3526
3527 case $cpu in
3528 i[345]86|pentium)
3529 cpuflags="-march=$cpu"
3530 disable i686
3531 disable mmx
3532 ;;
3533 # targets that do NOT support nopl and conditional mov (cmov)
3534 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3535 cpuflags="-march=$cpu"
3536 disable i686
3537 ;;
3538 # targets that do support nopl and conditional mov (cmov)
3539 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3540 cpuflags="-march=$cpu"
3541 enable i686
3542 enable fast_cmov
3543 ;;
3544 # targets that do support conditional mov but on which it's slow
3545 pentium4|pentium4m|prescott|nocona)
3546 cpuflags="-march=$cpu"
3547 enable i686
3548 disable fast_cmov
3549 ;;
3550 esac
3551
3552 fi
3553
3554 if [ "$cpu" != generic ]; then
3555 add_cflags $cpuflags
3556 add_asflags $cpuflags
3557 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
3558 fi
3559
3560 # compiler sanity check
3561 check_exec <<EOF
3562 int main(void){ return 0; }
3563 EOF
3564 if test "$?" != 0; then
3565 echo "$cc is unable to create an executable file."
3566 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3567 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3568 echo "Only do this if you know what cross compiling means."
3569 fi
3570 die "C compiler test failed."
3571 fi
3572
3573 add_cppflags -D_ISOC99_SOURCE
3574 check_cflags -std=c99
3575 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3576 #include <stdlib.h>
3577 EOF
3578 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3579 #include <stdlib.h>
3580 EOF
3581
3582 add_host_cppflags -D_ISOC99_SOURCE
3583 check_host_cflags -std=c99
3584 check_host_cflags -Wall
3585 check_host_cflags -O3
3586
3587 check_64bit(){
3588 arch32=$1
3589 arch64=$2
3590 expr=$3
3591 check_code cc "" "int test[2*($expr) - 1]" &&
3592 subarch=$arch64 || subarch=$arch32
3593 }
3594
3595 case "$arch" in
3596 aarch64|alpha|ia64)
3597 spic=$shared
3598 ;;
3599 mips)
3600 check_64bit mips mips64 '_MIPS_SIM > 1'
3601 spic=$shared
3602 ;;
3603 parisc)
3604 check_64bit parisc parisc64 'sizeof(void *) > 4'
3605 spic=$shared
3606 ;;
3607 ppc)
3608 check_64bit ppc ppc64 'sizeof(void *) > 4'
3609 spic=$shared
3610 ;;
3611 s390)
3612 check_64bit s390 s390x 'sizeof(void *) > 4'
3613 spic=$shared
3614 ;;
3615 sparc)
3616 check_64bit sparc sparc64 'sizeof(void *) > 4'
3617 spic=$shared
3618 ;;
3619 x86)
3620 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3621 if test "$subarch" = "x86_64"; then
3622 spic=$shared
3623 fi
3624 ;;
3625 esac
3626
3627 enable $subarch
3628 enabled spic && enable_weak pic
3629
3630 # OS specific
3631 case $target_os in
3632 aix)
3633 SHFLAGS=-shared
3634 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3635 enabled shared && add_ldflags -Wl,-brtl
3636 ;;
3637 android)
3638 disable symver
3639 enable section_data_rel_ro
3640 SLIB_INSTALL_NAME='$(SLIBNAME)'
3641 SLIB_INSTALL_LINKS=
3642 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
3643 ;;
3644 haiku)
3645 prefix_default="/boot/common"
3646 network_extralibs="-lnetwork"
3647 host_libs=
3648 ;;
3649 sunos)
3650 SHFLAGS='-shared -Wl,-h,$$(@F)'
3651 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3652 network_extralibs="-lsocket -lnsl"
3653 # When using suncc to build, the Solaris linker will mark
3654 # an executable with each instruction set encountered by
3655 # the Solaris assembler. As our libraries contain their own
3656 # guards for processor-specific code, instead suppress
3657 # generation of the HWCAPS ELF section on Solaris x86 only.
3658 enabled_all suncc x86 &&
3659 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3660 add_ldflags -Wl,-M,mapfile
3661 nm_default='nm -P -g'
3662 SLIB_CREATE_DEF_CMD='$(Q)perl $(SRC_PATH)/compat/solaris/make_sunver.pl $$(filter %.ver,$$^) $(OBJS) | grep -v @ > $(SUBDIR)lib$(NAME).ver-sol2'
3663 ;;
3664 netbsd)
3665 disable symver
3666 oss_indev_extralibs="-lossaudio"
3667 oss_outdev_extralibs="-lossaudio"
3668 ;;
3669 openbsd|bitrig)
3670 disable symver
3671 SHFLAGS='-shared'
3672 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3673 SLIB_INSTALL_LINKS=
3674 oss_indev_extralibs="-lossaudio"
3675 oss_outdev_extralibs="-lossaudio"
3676 ;;
3677 dragonfly)
3678 disable symver
3679 ;;
3680 freebsd)
3681 ;;
3682 bsd/os)
3683 add_extralibs -lpoll -lgnugetopt
3684 ;;
3685 darwin)
3686 enabled ppc && add_asflags -force_cpusubtype_ALL
3687 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3688 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3689 add_ldflags -Wl,-dynamic,-search_paths_first
3690 SLIBSUF=".dylib"
3691 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3692 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3693 objformat="macho"
3694 enabled x86_64 && objformat="macho64"
3695 enabled_any pic shared ||
3696 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3697 ;;
3698 msys*)
3699 die "Native MSYS builds are discouraged, please use the MINGW environment.";
3700 ;;
3701 mingw32*)
3702 if test $target_os = "mingw32ce"; then
3703 disable network
3704 else
3705 target_os=mingw32
3706 fi
3707 LIBTARGET=i386
3708 if enabled x86_64; then
3709 LIBTARGET="i386:x86-64"
3710 elif enabled arm; then
3711 LIBTARGET=arm-wince
3712 fi
3713 check_ldflags -Wl,--nxcompat
3714 check_ldflags -Wl,--dynamicbase
3715 shlibdir_default="$bindir_default"
3716 SLIBPREF=""
3717 SLIBSUF=".dll"
3718 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3719 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3720 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3721 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3722 SLIB_INSTALL_LINKS=
3723 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3724 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3725 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3726 objformat="win32"
3727 dlltool="${cross_prefix}dlltool"
3728 ranlib=:
3729 enable dos_paths
3730 ;;
3731 win32|win64)
3732 disable symver
3733 if enabled shared; then
3734 # Link to the import library instead of the normal static library
3735 # for shared libs.
3736 LD_LIB='%.lib'
3737 # Cannot build both shared and static libs with MSVC or icl.
3738 disable static
3739 fi
3740 shlibdir_default="$bindir_default"
3741 SLIBPREF=""
3742 SLIBSUF=".dll"
3743 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3744 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3745 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3746 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3747 SLIB_INSTALL_LINKS=
3748 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3749 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3750 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3751 objformat="win32"
3752 ranlib=:
3753 enable dos_paths
3754 ;;
3755 cygwin*)
3756 target_os=cygwin
3757 shlibdir_default="$bindir_default"
3758 SLIBPREF="cyg"
3759 SLIBSUF=".dll"
3760 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3761 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3762 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3763 SLIB_INSTALL_LINKS=
3764 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3765 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3766 objformat="win32"
3767 enable dos_paths
3768 ;;
3769 *-dos|freedos|opendos)
3770 network_extralibs="-lsocket"
3771 objformat="coff"
3772 enable dos_paths
3773 add_cppflags -U__STRICT_ANSI__
3774 ;;
3775 linux)
3776 enable dv1394
3777 enable section_data_rel_ro
3778 ;;
3779 irix*)
3780 target_os=irix
3781 ranlib="echo ignoring ranlib"
3782 ;;
3783 os/2*)
3784 ln_s="cp -f"
3785 objformat="aout"
3786 add_cppflags -D_GNU_SOURCE
3787 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3788 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3789 LIBSUF="_s.a"
3790 SLIBPREF=""
3791 SLIBSUF=".dll"
3792 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3793 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3794 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3795 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3796 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3797 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3798 emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'
3799 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3800 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3801 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3802 enable dos_paths
3803 ;;
3804 gnu/kfreebsd)
3805 add_cppflags -D_BSD_SOURCE
3806 ;;
3807 gnu)
3808 ;;
3809 qnx)
3810 add_cppflags -D_QNX_SOURCE
3811 network_extralibs="-lsocket"
3812 ;;
3813 symbian)
3814 SLIBSUF=".dll"
3815 enable dos_paths
3816 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3817 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3818 add_ldflags -Wl,--target1-abs,--no-undefined \
3819 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3820 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3821 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3822 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3823 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3824 ;;
3825 osf1)
3826 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3827 ;;
3828 minix)
3829 ;;
3830 plan9)
3831 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3832 -D_REENTRANT_SOURCE \
3833 -D_RESEARCH_SOURCE \
3834 -DFD_SETSIZE=96 \
3835 -DHAVE_SOCK_OPTS
3836 add_compat strtod.o strtod=avpriv_strtod
3837 network_extralibs='-lbsd'
3838 exeobjs=compat/plan9/main.o
3839 cp_f='cp'
3840 ;;
3841 none)
3842 ;;
3843 *)
3844 die "Unknown OS '$target_os'."
3845 ;;
3846 esac
3847
3848 # determine libc flavour
3849
3850 probe_libc(){
3851 pfx=$1
3852 pfx_no_=${pfx%_}
3853 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3854 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
3855 eval ${pfx}libc_type=uclibc
3856 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3857 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
3858 eval ${pfx}libc_type=glibc
3859 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3860 # MinGW headers can be installed on Cygwin, so check for newlib first.
3861 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3862 eval ${pfx}libc_type=newlib
3863 add_${pfx}cppflags -U__STRICT_ANSI__
3864 # MinGW64 is backwards compatible with MinGW32, so check for it first.
3865 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
3866 eval ${pfx}libc_type=mingw64
3867 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3868 eval test \$${pfx_no_}cc_type = "gcc" &&
3869 add_${pfx}cppflags -D__printf__=__gnu_printf__
3870 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
3871 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
3872 eval ${pfx}libc_type=mingw32
3873 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
3874 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3875 die "ERROR: MinGW32 runtime version must be >= 3.15."
3876 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3877 eval test \$${pfx_no_}cc_type = "gcc" &&
3878 add_${pfx}cppflags -D__printf__=__gnu_printf__
3879 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
3880 eval ${pfx}libc_type=msvcrt
3881 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
3882 if [ "$pfx" = host_ ]; then
3883 add_host_cppflags -Dsnprintf=_snprintf
3884 else
3885 add_compat strtod.o strtod=avpriv_strtod
3886 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3887 _snprintf=avpriv_snprintf \
3888 vsnprintf=avpriv_vsnprintf
3889 fi
3890 fi
3891 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3892 # 0x601 by default unless something else is set by the user.
3893 # This can easily lead to us detecting functions only present
3894 # in such new versions and producing binaries requiring windows 7.0.
3895 # Therefore explicitly set the default to XP unless the user has
3896 # set something else on the command line.
3897 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
3898 # family. For these cases, configure is free to use any functions
3899 # found in the SDK headers by default. (Alternatively, we could force
3900 # _WIN32_WINNT to 0x0602 in that case.)
3901 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
3902 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }
3903 #ifdef WINAPI_FAMILY
3904 #include <winapifamily.h>
3905 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
3906 #error not desktop
3907 #endif
3908 #endif
3909 EOF
3910 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
3911 eval ${pfx}libc_type=klibc
3912 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3913 eval ${pfx}libc_type=bionic
3914 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
3915 eval ${pfx}libc_type=solaris
3916 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3917 else
3918 eval ${pfx}libc_type=default
3919 add_${pfx}cppflags -D_DEFAULT_SOURCE
3920 fi
3921 }
3922
3923 probe_libc
3924 test -n "$libc_type" && enable libc_$libc_type
3925 probe_libc host_
3926 test -n "$host_libc_type" && enable host_libc_$host_libc_type
3927
3928 case $libc_type in
3929 bionic)
3930 add_compat strtod.o strtod=avpriv_strtod
3931 ;;
3932 esac
3933
3934 # hacks for compiler/libc/os combinations
3935
3936 if enabled_all tms470 libc_glibc; then
3937 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3938 add_cppflags -D__USER_LABEL_PREFIX__=
3939 add_cppflags -D__builtin_memset=memset
3940 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3941 add_cflags -pds=48 # incompatible redefinition of macro
3942 fi
3943
3944 if enabled_all ccc libc_glibc; then
3945 add_ldflags -Wl,-z,now # calls to libots crash without this
3946 fi
3947
3948 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
3949 add_cppflags '-I\$(SRC_PATH)/compat/float'
3950
3951 esc(){
3952 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3953 }
3954
3955 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
3956
3957 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
3958
3959 set_default $PATHS_LIST
3960 set_default nm
3961
3962 # we need to build at least one lib type
3963 if ! enabled_any static shared; then
3964 cat <<EOF
3965 At least one library type must be built.
3966 Specify --enable-static to build the static libraries or --enable-shared to
3967 build the shared libraries as well. To only build the shared libraries specify
3968 --disable-static in addition to --enable-shared.
3969 EOF
3970 exit 1;
3971 fi
3972
3973 die_license_disabled() {
3974 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3975 }
3976
3977 die_license_disabled gpl libcdio
3978 die_license_disabled gpl libx264
3979 die_license_disabled gpl libx265
3980 die_license_disabled gpl libxavs
3981 die_license_disabled gpl libxvid
3982 die_license_disabled gpl x11grab
3983
3984 die_license_disabled nonfree libfaac
3985 die_license_disabled nonfree libfdk_aac
3986 die_license_disabled nonfree nvenc
3987 die_license_disabled nonfree openssl
3988
3989 die_license_disabled version3 libopencore_amrnb
3990 die_license_disabled version3 libopencore_amrwb
3991 die_license_disabled version3 libvo_aacenc
3992 die_license_disabled version3 libvo_amrwbenc
3993
3994 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3995
3996 disabled optimizations || check_cflags -fomit-frame-pointer
3997
3998 enable_weak_pic() {
3999 disabled pic && return
4000 enable pic
4001 add_cppflags -DPIC
4002 case "$target_os" in
4003 mingw*|cygwin*)
4004 ;;
4005 *)
4006 add_cflags -fPIC
4007 ;;
4008 esac
4009 add_asflags -fPIC
4010 }
4011
4012 enabled pic && enable_weak_pic
4013
4014 check_cc <<EOF || die "Symbol mangling check failed."
4015 int ff_extern;
4016 EOF
4017 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4018 extern_prefix=${sym%%ff_extern*}
4019
4020 check_cc <<EOF && enable_weak inline_asm
4021 void foo(void) { __asm__ volatile ("" ::); }
4022 EOF
4023
4024 _restrict=
4025 for restrict_keyword in restrict __restrict__ __restrict; do
4026 check_cc <<EOF && _restrict=$restrict_keyword && break
4027 void foo(char * $restrict_keyword p);
4028 EOF
4029 done
4030
4031 check_cc <<EOF && enable pragma_deprecated
4032 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4033 EOF
4034
4035 check_cc <<EOF && enable attribute_packed
4036 struct { int x; } __attribute__((packed)) x;
4037 EOF
4038
4039 check_cc <<EOF && enable attribute_may_alias
4040 union { int x; } __attribute__((may_alias)) x;
4041 EOF
4042
4043 check_cc <<EOF || die "endian test failed"
4044 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4045 EOF
4046 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4047
4048 check_gas() {
4049 log "check_gas using '$as' as AS"
4050 # :vararg is used on aarch64, arm and ppc altivec
4051 check_as <<EOF || return 1
4052 .macro m n, y:vararg=0
4053 \n: .int \y
4054 .endm
4055 m x
4056 EOF
4057 # .altmacro is only used in arm asm
4058 ! enabled arm || check_as <<EOF || return 1
4059 .altmacro
4060 EOF
4061 enable gnu_as
4062 return 0
4063 }
4064
4065 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
4066 nogas=:
4067 enabled_any arm aarch64 && nogas=die
4068 enabled_all ppc altivec && nogas=warn
4069 as_noop=-v
4070
4071 case $as_type in
4072 arm*) gaspp_as_type=armasm; as_noop=-h ;;
4073 gcc) gaspp_as_type=gas ;;
4074 *) gaspp_as_type=$as_type ;;
4075 esac
4076
4077 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
4078
4079 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- $as $as_noop &&
4080 gas="gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- $as"
4081
4082 if ! check_gas ; then
4083 as=${gas:=$as}
4084 check_gas || \
4085 $nogas "GNU assembler not found, install/update gas-preprocessor"
4086 fi
4087
4088 check_as <<EOF && enable as_func
4089 .func test
4090 .endfunc
4091 EOF
4092 fi
4093
4094 check_inline_asm inline_asm_labels '"1:\n"'
4095
4096 if enabled aarch64; then
4097 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
4098 # internal assembler in clang 3.3 does not support this instruction
4099 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
4100 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
4101
4102 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4103
4104 elif enabled alpha; then
4105
4106 check_cflags -mieee
4107
4108 elif enabled arm; then
4109
4110 enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb
4111 check_cpp_condition stddef.h "defined __thumb__" && enable_weak thumb
4112 enabled thumb && check_cflags -mthumb || check_cflags -marm
4113
4114 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4115 enable vfp_args
4116 elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
4117 enable vfp_args
4118 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
4119 case "${cross_prefix:-$cc}" in
4120 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4121 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4122 __asm__ (".eabi_attribute 28, 1");
4123 int main(void) { return 0; }
4124 EOF
4125 esac
4126 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4127 fi
4128
4129 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4130 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4131 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4132 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4133 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4134 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4135
4136 [ $target_os = linux ] || [ $target_os = android ] ||
4137 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4138 $ARCH_EXT_LIST_ARM
4139
4140 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4141
4142 check_as <<EOF && enable as_dn_directive
4143 ra .dn d0.i16
4144 .unreq ra
4145 EOF
4146
4147 # llvm's integrated assembler supports .object_arch from llvm 3.5
4148 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
4149 .object_arch armv4
4150 EOF
4151
4152 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4153
4154 elif enabled mips; then
4155
4156 check_inline_asm loongson '"dmult.g $1, $2, $3"'
4157
4158 # make sure that only an instruction set is enabled
4159 disable mips64r6 mips32r6 mips64r2 mips32r2 mips64r1 mips32r1
4160
4161 if enabled mips64; then
4162 check_inline_asm mips64r6 '"dlsa $0, $0, $0, 1"' ||
4163 check_inline_asm mips64r2 '"dext $0, $0, 0, 1"' ||
4164 check_inline_asm mips64r1 '"daddi $0, $0, 0"'
4165 else
4166 check_inline_asm mips32r6 '"aui $0, $0, 0"' ||
4167 check_inline_asm mips32r2 '"ext $0, $0, 0, 1"' ||
4168 check_inline_asm mips32r1 '"addi $0, $0, 0"'
4169 fi
4170
4171 elif enabled parisc; then
4172
4173 if enabled gcc; then
4174 case $($cc -dumpversion) in
4175 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
4176 esac
4177 fi
4178
4179 elif enabled ppc; then
4180
4181 enable local_aligned_8 local_aligned_16
4182
4183 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4184 check_inline_asm ibm_asm '"add 0, 0, 0"'
4185 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4186 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4187
4188 # AltiVec flags: The FSF version of GCC differs from the Apple version
4189 if enabled altivec; then
4190 check_cflags -maltivec -mabi=altivec &&
4191 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4192 check_cflags -faltivec
4193
4194 # check if our compiler supports Motorola AltiVec C API
4195 check_cc <<EOF || disable altivec
4196 $inc_altivec_h
4197 int main(void) {
4198 vector signed int v1 = (vector signed int) { 0 };
4199 vector signed int v2 = (vector signed int) { 1 };
4200 v1 = vec_add(v1, v2);
4201 return 0;
4202 }
4203 EOF
4204
4205 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4206 fi
4207
4208 if enabled vsx; then
4209 check_cflags -mvsx &&
4210 check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx
4211 fi
4212
4213 if enabled power8; then
4214 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
4215 fi
4216
4217 elif enabled x86; then
4218
4219 check_builtin rdtsc intrin.h "__rdtsc()"
4220 check_builtin mm_empty mmintrin.h "_mm_empty()"
4221
4222 enable local_aligned_8 local_aligned_16
4223
4224 # check whether EBP is available on x86
4225 # As 'i' is stored on the stack, this program will crash
4226 # if the base pointer is used to access it because the
4227 # base pointer is cleared in the inline assembly code.
4228 check_exec_crash <<EOF && enable ebp_available
4229 volatile int i=0;
4230 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4231 return i;
4232 EOF
4233
4234 # check whether EBX is available on x86
4235 check_inline_asm ebx_available '""::"b"(0)' &&
4236 check_inline_asm ebx_available '"":::"%ebx"'
4237
4238 # check whether xmm clobbers are supported
4239 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4240
4241 # check whether binutils is new enough to compile SSSE3/MMXEXT
4242 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4243 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4244
4245 if ! disabled_any asm mmx yasm; then
4246 if check_cmd $yasmexe --version; then
4247 enabled x86_64 && yasm_extra="-m amd64"
4248 yasm_debug="-g dwarf2"
4249 elif check_cmd nasm -v; then
4250 yasmexe=nasm
4251 yasm_debug="-g -F dwarf"
4252 enabled x86_64 && test "$objformat" = elf && objformat=elf64
4253 fi
4254
4255 YASMFLAGS="-f $objformat $yasm_extra"
4256 enabled pic && append YASMFLAGS "-DPIC"
4257 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4258 case "$objformat" in
4259 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4260 esac
4261
4262 check_yasm "movbe ecx, [5]" && enable yasm ||
4263 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4264 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
4265 check_yasm "vfmadd132ps ymm0, ymm1, ymm2" || disable fma3_external
4266 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4267 check_yasm "CPU amdnop" || disable cpunop
4268 fi
4269
4270 case "$cpu" in
4271 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4272 disable fast_clz
4273 ;;
4274 esac
4275
4276 fi
4277
4278 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
4279
4280 check_ldflags -Wl,--as-needed
4281
4282 if check_func dlopen; then
4283 ldl=
4284 elif check_func dlopen -ldl; then
4285 ldl=-ldl
4286 fi
4287
4288 if ! disabled network; then
4289 check_func getaddrinfo $network_extralibs
4290 check_func inet_aton $network_extralibs
4291
4292 check_type netdb.h "struct addrinfo"
4293 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4294 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4295 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4296 check_type poll.h "struct pollfd"
4297 check_type netinet/sctp.h "struct sctp_event_subscribe"
4298 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4299 check_type netinet/in.h "struct sockaddr_in6"
4300 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4301 check_type "sys/types.h sys/socket.h" socklen_t
4302
4303 # Prefer arpa/inet.h over winsock2
4304 if check_header arpa/inet.h ; then
4305 check_func closesocket
4306 elif check_header winsock2.h ; then
4307 check_func_headers winsock2.h closesocket -lws2 &&
4308 network_extralibs="-lws2" ||
4309 { check_func_headers winsock2.h closesocket -lws2_32 &&
4310 network_extralibs="-lws2_32"; } || disable winsock2_h network
4311 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4312
4313 check_type ws2tcpip.h socklen_t
4314 check_type ws2tcpip.h "struct addrinfo"
4315 check_type ws2tcpip.h "struct group_source_req"
4316 check_type ws2tcpip.h "struct ip_mreq_source"
4317 check_type ws2tcpip.h "struct ipv6_mreq"
4318 check_type winsock2.h "struct pollfd"
4319 check_struct winsock2.h "struct sockaddr" sa_len
4320 check_type ws2tcpip.h "struct sockaddr_in6"
4321 check_type ws2tcpip.h "struct sockaddr_storage"
4322 else
4323 disable network
4324 fi
4325 fi
4326
4327 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4328 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4329 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4330 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4331
4332 case "$custom_allocator" in
4333 jemalloc)
4334 # jemalloc by default does not use a prefix
4335 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
4336 ;;
4337 tcmalloc)
4338 require_pkg_config libtcmalloc gperftools/tcmalloc.h tc_malloc
4339 malloc_prefix=tc_
4340 ;;
4341 esac
4342
4343 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4344 check_func ${malloc_prefix}memalign && enable memalign
4345 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4346
4347 check_cpp_condition unistd.h "defined(_POSIX_MONOTONIC_CLOCK)" &&
4348 check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
4349
4350 check_func fcntl
4351 check_func fork
4352 check_func gethrtime
4353 check_func getopt
4354 check_func getrusage
4355 check_func gettimeofday
4356 check_func gmtime_r
4357 check_func isatty
4358 check_func localtime_r
4359 check_func mach_absolute_time
4360 check_func mkstemp
4361 check_func mmap
4362 check_func mprotect
4363 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4364 check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt; }
4365 check_func sched_getaffinity
4366 check_func setrlimit
4367 check_func strerror_r
4368 check_func sysconf
4369 check_func sysctl
4370 check_func usleep
4371
4372 check_func_headers io.h setmode
4373 check_func_headers stdlib.h getenv
4374
4375 check_func_headers windows.h CoTaskMemFree -lole32
4376 check_func_headers windows.h GetProcessAffinityMask
4377 check_func_headers windows.h GetProcessTimes
4378 check_func_headers windows.h GetSystemTimeAsFileTime
4379 check_func_headers windows.h LoadLibrary
4380 check_func_headers windows.h MapViewOfFile
438