bddbd87d3d2db7530ea4a4999dabc1f03aebe318
[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 $*
488 }
489
490 check_requested() {
491 for var; do
492 eval test "x\$${var#!}_requested" = "xyes" && die "${var#*_} ${var/_*} cannot be enabled"
493 done
494 }
495
496 disable(){
497 set_all no $*
498 check_requested $*
499 }
500
501 enable_weak(){
502 set_weak yes $*
503 }
504
505 disable_weak(){
506 set_weak no $*
507 }
508
509 enable_safe(){
510 for var; do
511 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
512 done
513 }
514
515 disable_safe(){
516 for var; do
517 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
518 done
519 }
520
521 do_enable_deep(){
522 for var; do
523 enabled $var && continue
524 eval sel="\$${var}_select"
525 eval sgs="\$${var}_suggest"
526 pushvar var sgs
527 enable_deep $sel
528 popvar sgs
529 enable_deep_weak $sgs
530 popvar var
531 done
532 }
533
534 enable_deep(){
535 do_enable_deep $*
536 enable $*
537 }
538
539 enable_deep_weak(){
540 for var; do
541 disabled $var && continue
542 pushvar var
543 do_enable_deep $var
544 popvar var
545 enable_weak $var
546 done
547 }
548
549 do_enable_deep_force(){
550 for var; do
551 enabled $var && continue
552 eval sel="\$${var}_select\ \$${var}_suggest\ \$${var}_select_any"
553 pushvar var
554 enable_deep_force $sel
555 popvar var
556 done
557 }
558
559 enable_deep_force(){
560 do_enable_deep_force $*
561 enable $*
562 }
563
564 request(){
565 for var; do
566 enable ${var}_requested
567 done
568 enable_deep_force $*
569 }
570
571 enabled(){
572 test "${1#!}" = "$1" && op== || op=!=
573 eval test "x\$${1#!}" $op "xyes"
574 }
575
576 disabled(){
577 test "${1#!}" = "$1" && op== || op=!=
578 eval test "x\$${1#!}" $op "xno"
579 }
580
581 enabled_all(){
582 for opt; do
583 enabled $opt || return 1
584 done
585 }
586
587 disabled_all(){
588 for opt; do
589 disabled $opt || return 1
590 done
591 }
592
593 enabled_any(){
594 for opt; do
595 enabled $opt && return 0
596 done
597 }
598
599 disabled_any(){
600 for opt; do
601 disabled $opt && return 0
602 done
603 return 1
604 }
605
606 set_default(){
607 for opt; do
608 eval : \${$opt:=\$${opt}_default}
609 done
610 }
611
612 is_in(){
613 value=$1
614 shift
615 for var in $*; do
616 [ $var = $value ] && return 0
617 done
618 return 1
619 }
620
621 do_check_deps(){
622 for cfg; do
623 cfg="${cfg#!}"
624 enabled ${cfg}_checking && die "Circular dependency for $cfg."
625 disabled ${cfg}_checking && continue
626 enable ${cfg}_checking
627 append allopts $cfg
628
629 eval dep_all="\$${cfg}_deps"
630 eval dep_any="\$${cfg}_deps_any\ \$${cfg}_select_any"
631 eval dep_sel="\$${cfg}_select"
632 eval dep_sgs="\$${cfg}_suggest"
633 eval dep_ifa="\$${cfg}_if"
634 eval dep_ifn="\$${cfg}_if_any"
635
636 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
637 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
638 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
639
640 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
641 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
642 enabled_all $dep_all || disable $cfg
643 enabled_any $dep_any || disable $cfg
644 disabled_any $dep_sel && disable $cfg
645
646 if enabled $cfg; then
647 enable_deep $dep_sel
648 enable_deep_weak $dep_sgs
649 fi
650
651 disable ${cfg}_checking
652 done
653 }
654
655 check_deps(){
656 unset allopts
657
658 do_check_deps "$@"
659
660 for cfg in $allopts; do
661 enabled $cfg || continue
662 eval dep_extralibs="\$${cfg}_extralibs"
663 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
664 done
665 }
666
667 print_config(){
668 pfx=$1
669 files=$2
670 shift 2
671 map 'eval echo "$v \${$v:-no}"' "$@" |
672 awk "BEGIN { split(\"$files\", files) }
673 {
674 c = \"$pfx\" toupper(\$1);
675 v = \$2;
676 sub(/yes/, 1, v);
677 sub(/no/, 0, v);
678 for (f in files) {
679 file = files[f];
680 if (file ~ /\\.h\$/) {
681 printf(\"#define %s %d\\n\", c, v) >>file;
682 } else if (file ~ /\\.asm\$/) {
683 printf(\"%%define %s %d\\n\", c, v) >>file;
684 } else if (file ~ /\\.mak\$/) {
685 n = -v ? \"\" : \"!\";
686 printf(\"%s%s=yes\\n\", n, c) >>file;
687 }
688 }
689 }"
690 }
691
692 print_enabled(){
693 suf=$1
694 shift
695 for v; do
696 enabled $v && printf "%s\n" ${v%$suf};
697 done
698 }
699
700 append(){
701 var=$1
702 shift
703 eval "$var=\"\$$var $*\""
704 }
705
706 prepend(){
707 var=$1
708 shift
709 eval "$var=\"$* \$$var\""
710 }
711
712 unique(){
713 var=$1
714 uniq_list=""
715 for tok in $(eval echo \$$var); do
716 uniq_list="$(filter_out $tok $uniq_list) $tok"
717 done
718 eval "$var=\"${uniq_list}\""
719 }
720
721 add_cppflags(){
722 append CPPFLAGS "$@"
723 }
724
725 add_cflags(){
726 append CFLAGS $($cflags_filter "$@")
727 }
728
729 add_asflags(){
730 append ASFLAGS $($asflags_filter "$@")
731 }
732
733 add_objcflags(){
734 append OBJCFLAGS $($objcflags_filter "$@")
735 }
736
737 add_ldflags(){
738 append LDFLAGS $($ldflags_filter "$@")
739 }
740
741 add_ldexeflags(){
742 append LDEXEFLAGS $($ldflags_filter "$@")
743 }
744
745 add_stripflags(){
746 append STRIPFLAGS "$@"
747 }
748
749 add_extralibs(){
750 prepend extralibs $($ldflags_filter "$@")
751 }
752
753 add_host_cppflags(){
754 append host_cppflags "$@"
755 }
756
757 add_host_cflags(){
758 append host_cflags $($host_cflags_filter "$@")
759 }
760
761 add_host_ldflags(){
762 append host_ldflags $($host_ldflags_filter "$@")
763 }
764
765 add_compat(){
766 append compat_objs $1
767 shift
768 map 'add_cppflags -D$v' "$@"
769 }
770
771 check_cmd(){
772 log "$@"
773 "$@" >> $logfile 2>&1
774 }
775
776 cc_o(){
777 eval printf '%s\\n' $CC_O
778 }
779
780 cc_e(){
781 eval printf '%s\\n' $CC_E
782 }
783
784 check_cc(){
785 log check_cc "$@"
786 cat > $TMPC
787 log_file $TMPC
788 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
789 }
790
791 check_objcc(){
792 log check_objcc "$@"
793 cat > $TMPC
794 log_file $TMPC
795 check_cmd $objcc $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPC
796 }
797
798 check_cpp(){
799 log check_cpp "$@"
800 cat > $TMPC
801 log_file $TMPC
802 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
803 }
804
805 as_o(){
806 eval printf '%s\\n' $AS_O
807 }
808
809 check_as(){
810 log check_as "$@"
811 cat > $TMPS
812 log_file $TMPS
813 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
814 }
815
816 check_inline_asm(){
817 log check_inline_asm "$@"
818 name="$1"
819 code="$2"
820 shift 2
821 disable $name
822 check_cc "$@" <<EOF && enable $name
823 void foo(void){ __asm__ volatile($code); }
824 EOF
825 }
826
827 check_insn(){
828 log check_insn "$@"
829 check_inline_asm ${1}_inline "\"$2\""
830 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
831 }
832
833 check_yasm(){
834 log check_yasm "$@"
835 echo "$1" > $TMPS
836 log_file $TMPS
837 shift 1
838 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
839 }
840
841 ld_o(){
842 eval printf '%s\\n' $LD_O
843 }
844
845 check_ld(){
846 log check_ld "$@"
847 flags=$(filter_out '-l*' "$@")
848 libs=$(filter '-l*' "$@")
849 check_cc $($cflags_filter $flags) || return
850 flags=$($ldflags_filter $flags)
851 libs=$($ldflags_filter $libs)
852 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
853 }
854
855 print_include(){
856 hdr=$1
857 test "${hdr%.h}" = "${hdr}" &&
858 echo "#include $hdr" ||
859 echo "#include <$hdr>"
860 }
861
862 check_code(){
863 log check_code "$@"
864 check=$1
865 headers=$2
866 code=$3
867 shift 3
868 {
869 for hdr in $headers; do
870 print_include $hdr
871 done
872 echo "int main(void) { $code; return 0; }"
873 } | check_$check "$@"
874 }
875
876 check_cppflags(){
877 log check_cppflags "$@"
878 check_cc "$@" <<EOF && append CPPFLAGS "$@"
879 int x;
880 EOF
881 }
882
883 test_cflags(){
884 log test_cflags "$@"
885 set -- $($cflags_filter "$@")
886 check_cc "$@" <<EOF
887 int x;
888 EOF
889 }
890
891 check_cflags(){
892 log check_cflags "$@"
893 test_cflags "$@" && add_cflags "$@"
894 }
895
896 test_objcflags(){
897 log test_cflags "$@"
898 set -- $($cflags_filter "$@")
899 check_objcc "$@" <<EOF
900 int x;
901 EOF
902 }
903
904 check_objcflags(){
905 log check_cflags "$@"
906 test_objcflags "$@" && add_objcflags "$@"
907 }
908
909 test_ldflags(){
910 log test_ldflags "$@"
911 check_ld "$@" <<EOF
912 int main(void){ return 0; }
913 EOF
914 }
915
916 check_ldflags(){
917 log check_ldflags "$@"
918 test_ldflags "$@" && add_ldflags "$@"
919 }
920
921 test_stripflags(){
922 log test_stripflags "$@"
923 # call check_cc to get a fresh TMPO
924 check_cc <<EOF
925 int main(void) { return 0; }
926 EOF
927 check_cmd $strip $STRIPFLAGS "$@" $TMPO
928 }
929
930 check_stripflags(){
931 log check_stripflags "$@"
932 test_stripflags "$@" && add_stripflags "$@"
933 }
934
935 check_header(){
936 log check_header "$@"
937 header=$1
938 shift
939 disable_safe $header
940 check_cpp "$@" <<EOF && enable_safe $header
941 #include <$header>
942 int x;
943 EOF
944 }
945
946 check_func(){
947 log check_func "$@"
948 func=$1
949 shift
950 disable $func
951 check_ld "$@" <<EOF && enable $func
952 extern int $func();
953 int main(void){ $func(); }
954 EOF
955 }
956
957 check_mathfunc(){
958 log check_mathfunc "$@"
959 func=$1
960 narg=$2
961 shift 2
962 test $narg = 2 && args="f, g" || args="f"
963 disable $func
964 check_ld "$@" <<EOF && enable $func
965 #include <math.h>
966 float foo(float f, float g) { return $func($args); }
967 int main(void){ return 0; }
968 EOF
969 }
970
971 check_func_headers(){
972 log check_func_headers "$@"
973 headers=$1
974 funcs=$2
975 shift 2
976 {
977 for hdr in $headers; do
978 print_include $hdr
979 done
980 for func in $funcs; do
981 echo "long check_$func(void) { return (long) $func; }"
982 done
983 echo "int main(void) { return 0; }"
984 } | check_ld "$@" && enable $funcs && enable_safe $headers
985 }
986
987 check_cpp_condition(){
988 log check_cpp_condition "$@"
989 header=$1
990 condition=$2
991 shift 2
992 check_cpp "$@" <<EOF
993 #include <$header>
994 #if !($condition)
995 #error "unsatisfied condition: $condition"
996 #endif
997 EOF
998 }
999
1000 check_lib(){
1001 log check_lib "$@"
1002 header="$1"
1003 func="$2"
1004 shift 2
1005 check_header $header && check_func $func "$@" && add_extralibs "$@"
1006 }
1007
1008 check_lib2(){
1009 log check_lib2 "$@"
1010 headers="$1"
1011 funcs="$2"
1012 shift 2
1013 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1014 }
1015
1016 check_pkg_config(){
1017 log check_pkg_config "$@"
1018 pkg="$1"
1019 headers="$2"
1020 funcs="$3"
1021 shift 3
1022 check_cmd $pkg_config --exists --print-errors $pkg || return
1023 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1024 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1025 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1026 set_safe "${pkg}_cflags" $pkg_cflags &&
1027 set_safe "${pkg}_libs" $pkg_libs
1028 }
1029
1030 check_exec(){
1031 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1032 }
1033
1034 check_exec_crash(){
1035 code=$(cat)
1036
1037 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1038 # are safe but may not be available everywhere. Thus we use
1039 # raise(SIGTERM) instead. The check is run in a subshell so we
1040 # can redirect the "Terminated" message from the shell. SIGBUS
1041 # is not defined by standard C so it is used conditionally.
1042
1043 (check_exec "$@") >> $logfile 2>&1 <<EOF
1044 #include <signal.h>
1045 static void sighandler(int sig){
1046 raise(SIGTERM);
1047 }
1048 int foo(void){
1049 $code
1050 }
1051 int (*func_ptr)(void) = foo;
1052 int main(void){
1053 signal(SIGILL, sighandler);
1054 signal(SIGFPE, sighandler);
1055 signal(SIGSEGV, sighandler);
1056 #ifdef SIGBUS
1057 signal(SIGBUS, sighandler);
1058 #endif
1059 return func_ptr();
1060 }
1061 EOF
1062 }
1063
1064 check_type(){
1065 log check_type "$@"
1066 headers=$1
1067 type=$2
1068 shift 2
1069 disable_safe "$type"
1070 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1071 }
1072
1073 check_struct(){
1074 log check_struct "$@"
1075 headers=$1
1076 struct=$2
1077 member=$3
1078 shift 3
1079 disable_safe "${struct}_${member}"
1080 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1081 enable_safe "${struct}_${member}"
1082 }
1083
1084 check_builtin(){
1085 log check_builtin "$@"
1086 name=$1
1087 headers=$2
1088 builtin=$3
1089 shift 3
1090 disable "$name"
1091 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1092 }
1093
1094 check_compile_assert(){
1095 log check_compile_assert "$@"
1096 name=$1
1097 headers=$2
1098 condition=$3
1099 shift 3
1100 disable "$name"
1101 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1102 }
1103
1104 require(){
1105 name="$1"
1106 header="$2"
1107 func="$3"
1108 shift 3
1109 check_lib $header $func "$@" || die "ERROR: $name not found"
1110 }
1111
1112 require2(){
1113 name="$1"
1114 headers="$2"
1115 func="$3"
1116 shift 3
1117 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1118 }
1119
1120 require_pkg_config(){
1121 pkg="$1"
1122 check_pkg_config "$@" || die "ERROR: $pkg not found"
1123 add_cflags $(get_safe "${pkg}_cflags")
1124 add_extralibs $(get_safe "${pkg}_libs")
1125 }
1126
1127 hostcc_e(){
1128 eval printf '%s\\n' $HOSTCC_E
1129 }
1130
1131 hostcc_o(){
1132 eval printf '%s\\n' $HOSTCC_O
1133 }
1134
1135 check_host_cc(){
1136 log check_host_cc "$@"
1137 cat > $TMPC
1138 log_file $TMPC
1139 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1140 }
1141
1142 check_host_cpp(){
1143 log check_host_cpp "$@"
1144 cat > $TMPC
1145 log_file $TMPC
1146 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1147 }
1148
1149 check_host_cppflags(){
1150 log check_host_cppflags "$@"
1151 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1152 int x;
1153 EOF
1154 }
1155
1156 check_host_cflags(){
1157 log check_host_cflags "$@"
1158 set -- $($host_cflags_filter "$@")
1159 check_host_cc "$@" <<EOF && append host_cflags "$@"
1160 int x;
1161 EOF
1162 }
1163
1164 check_host_cpp_condition(){
1165 log check_host_cpp_condition "$@"
1166 header=$1
1167 condition=$2
1168 shift 2
1169 check_host_cpp "$@" <<EOF
1170 #include <$header>
1171 #if !($condition)
1172 #error "unsatisfied condition: $condition"
1173 #endif
1174 EOF
1175 }
1176
1177 apply(){
1178 file=$1
1179 shift
1180 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1181 }
1182
1183 cp_if_changed(){
1184 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1185 mkdir -p "$(dirname $2)"
1186 $cp_f "$1" "$2"
1187 }
1188
1189 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1190 # system-dependent things.
1191
1192 AVCODEC_COMPONENTS="
1193 bsfs
1194 decoders
1195 encoders
1196 hwaccels
1197 parsers
1198 "
1199
1200 AVDEVICE_COMPONENTS="
1201 indevs
1202 outdevs
1203 "
1204 AVFILTER_COMPONENTS="
1205 filters
1206 "
1207 AVFORMAT_COMPONENTS="
1208 demuxers
1209 muxers
1210 protocols
1211 "
1212
1213 AVRESAMPLE_COMPONENTS=""
1214 AVUTIL_COMPONENTS=""
1215
1216 COMPONENT_LIST="
1217 $AVCODEC_COMPONENTS
1218 $AVDEVICE_COMPONENTS
1219 $AVFILTER_COMPONENTS
1220 $AVFORMAT_COMPONENTS
1221 $AVRESAMPLE_COMPONENTS
1222 $AVUTIL_COMPONENTS
1223 "
1224
1225 EXAMPLE_LIST="
1226 avcodec_example
1227 filter_audio_example
1228 metadata_example
1229 output_example
1230 qsvdec_example
1231 transcode_aac_example
1232 "
1233
1234 EXTERNAL_LIBRARY_LIST="
1235 avisynth
1236 bzlib
1237 frei0r
1238 gnutls
1239 libbs2b
1240 libcdio
1241 libdc1394
1242 libdcadec
1243 libfaac
1244 libfdk_aac
1245 libfontconfig
1246 libfreetype
1247 libgsm
1248 libilbc
1249 libkvazaar
1250 libmfx
1251 libmp3lame
1252 libopencore_amrnb
1253 libopencore_amrwb
1254 libopencv
1255 libopenh264
1256 libopenjpeg
1257 libopus
1258 libpulse
1259 librtmp
1260 libschroedinger
1261 libsnappy
1262 libspeex
1263 libtheora
1264 libtwolame
1265 libvo_aacenc
1266 libvo_amrwbenc
1267 libvorbis
1268 libvpx
1269 libwavpack
1270 libwebp
1271 libx264
1272 libx265
1273 libxavs
1274 libxcb
1275 libxcb_shm
1276 libxcb_xfixes
1277 libxvid
1278 mmal
1279 nvenc
1280 openssl
1281 x11grab
1282 zlib
1283 "
1284
1285 FEATURE_LIST="
1286 gray
1287 hardcoded_tables
1288 runtime_cpudetect
1289 safe_bitstream_reader
1290 shared
1291 small
1292 sram
1293 static
1294 swscale_alpha
1295 "
1296
1297 HWACCEL_LIST="
1298 d3d11va
1299 dxva2
1300 vaapi
1301 vda
1302 vdpau
1303 "
1304
1305 LIBRARY_LIST="
1306 avcodec
1307 avdevice
1308 avfilter
1309 avformat
1310 avresample
1311 avutil
1312 swscale
1313 "
1314
1315 LICENSE_LIST="
1316 gpl
1317 nonfree
1318 version3
1319 "
1320
1321 PROGRAM_LIST="
1322 avconv
1323 avplay
1324 avprobe
1325 "
1326
1327 SUBSYSTEM_LIST="
1328 dct
1329 doc
1330 error_resilience
1331 faan
1332 fft
1333 lsp
1334 lzo
1335 mdct
1336 network
1337 rdft
1338 "
1339
1340 CONFIG_LIST="
1341 $COMPONENT_LIST
1342 $EXAMPLE_LIST
1343 $EXTERNAL_LIBRARY_LIST
1344 $FEATURE_LIST
1345 $HWACCEL_LIST
1346 $LICENSE_LIST
1347 $LIBRARY_LIST
1348 $PROGRAM_LIST
1349 $SUBSYSTEM_LIST
1350 memalign_hack
1351 neon_clobber_test
1352 pic
1353 pod2man
1354 texi2html
1355 thumb
1356 valgrind_backtrace
1357 xmm_clobber_test
1358 "
1359
1360 THREADS_LIST="
1361 pthreads
1362 w32threads
1363 "
1364
1365 ATOMICS_LIST="
1366 atomics_gcc
1367 atomics_suncc
1368 atomics_win32
1369 "
1370
1371 ARCH_LIST="
1372 aarch64
1373 alpha
1374 arm
1375 avr32
1376 avr32_ap
1377 avr32_uc
1378 bfin
1379 ia64
1380 m68k
1381 mips
1382 mips64
1383 parisc
1384 ppc
1385 ppc64
1386 s390
1387 sh4
1388 sparc
1389 sparc64
1390 tilegx
1391 tilepro
1392 tomi
1393 x86
1394 x86_32
1395 x86_64
1396 "
1397
1398 ARCH_EXT_LIST_ARM="
1399 armv5te
1400 armv6
1401 armv6t2
1402 armv8
1403 neon
1404 vfp
1405 vfpv3
1406 "
1407
1408 ARCH_EXT_LIST_X86_SIMD="
1409 amd3dnow
1410 amd3dnowext
1411 avx
1412 avx2
1413 fma3
1414 fma4
1415 mmx
1416 mmxext
1417 sse
1418 sse2
1419 sse3
1420 sse4
1421 sse42
1422 ssse3
1423 xop
1424 "
1425
1426 ARCH_EXT_LIST_PPC="
1427 altivec
1428 dcbzl
1429 ldbrx
1430 power8
1431 ppc4xx
1432 vsx
1433 "
1434
1435 ARCH_EXT_LIST_X86="
1436 $ARCH_EXT_LIST_X86_SIMD
1437 cpunop
1438 i686
1439 "
1440
1441 ARCH_EXT_LIST_MIPS="
1442 loongson
1443 mips32r1
1444 mips64r1
1445 mips32r2
1446 mips64r2
1447 mips32r6
1448 mips64r6
1449 "
1450
1451 ARCH_EXT_LIST="
1452 $ARCH_EXT_LIST_ARM
1453 $ARCH_EXT_LIST_MIPS
1454 $ARCH_EXT_LIST_PPC
1455 $ARCH_EXT_LIST_X86
1456 vis
1457 "
1458
1459 ARCH_FEATURES="
1460 aligned_stack
1461 fast_64bit
1462 fast_clz
1463 fast_cmov
1464 local_aligned_8
1465 local_aligned_16
1466 simd_align_16
1467 "
1468
1469 BUILTIN_LIST="
1470 atomic_cas_ptr
1471 machine_rw_barrier
1472 MemoryBarrier
1473 mm_empty
1474 rdtsc
1475 sync_val_compare_and_swap
1476 "
1477 HAVE_LIST_CMDLINE="
1478 inline_asm
1479 symver
1480 yasm
1481 "
1482
1483 HAVE_LIST_PUB="
1484 bigendian
1485 fast_unaligned
1486 "
1487
1488 HEADERS_LIST="
1489 AVFoundation_AVFoundation_h
1490 alsa_asoundlib_h
1491 altivec_h
1492 arpa_inet_h
1493 cdio_paranoia_h
1494 cdio_paranoia_paranoia_h
1495 dev_bktr_ioctl_bt848_h
1496 dev_bktr_ioctl_meteor_h
1497 dev_ic_bt8xx_h
1498 dev_video_bktr_ioctl_bt848_h
1499 dev_video_meteor_ioctl_meteor_h
1500 direct_h
1501 dlfcn_h
1502 d3d11_h
1503 dxva_h
1504 gsm_h
1505 io_h
1506 mach_mach_time_h
1507 machine_ioctl_bt848_h
1508 machine_ioctl_meteor_h
1509 malloc_h
1510 poll_h
1511 sndio_h
1512 soundcard_h
1513 sys_mman_h
1514 sys_param_h
1515 sys_resource_h
1516 sys_select_h
1517 sys_soundcard_h
1518 sys_time_h
1519 sys_un_h
1520 sys_videoio_h
1521 unistd_h
1522 valgrind_valgrind_h
1523 windows_h
1524 winsock2_h
1525 "
1526
1527 INTRINSICS_LIST="
1528 intrinsics_neon
1529 "
1530
1531 MATH_FUNCS="
1532 atanf
1533 atan2f
1534 cbrtf
1535 cosf
1536 exp2
1537 exp2f
1538 expf
1539 isinf
1540 isnan
1541 ldexpf
1542 llrint
1543 llrintf
1544 log2
1545 log2f
1546 log10f
1547 lrint
1548 lrintf
1549 powf
1550 rint
1551 round
1552 roundf
1553 sinf
1554 trunc
1555 truncf
1556 "
1557
1558 SYSTEM_FUNCS="
1559 aligned_malloc
1560 clock_gettime
1561 closesocket
1562 CommandLineToArgvW
1563 CoTaskMemFree
1564 CryptGenRandom
1565 dlopen
1566 fcntl
1567 flt_lim
1568 fork
1569 getaddrinfo
1570 gethrtime
1571 getopt
1572 GetProcessAffinityMask
1573 GetProcessMemoryInfo
1574 GetProcessTimes
1575 getrusage
1576 GetSystemTimeAsFileTime
1577 gettimeofday
1578 gmtime_r
1579 inet_aton
1580 isatty
1581 jack_port_get_latency_range
1582 LoadLibrary
1583 localtime_r
1584 mach_absolute_time
1585 MapViewOfFile
1586 memalign
1587 mkstemp
1588 mmap
1589 mprotect
1590 nanosleep
1591 posix_memalign
1592 sched_getaffinity
1593 SetConsoleTextAttribute
1594 setmode
1595 setrlimit
1596 Sleep
1597 strerror_r
1598 sysconf
1599 sysctl
1600 usleep
1601 VirtualAlloc
1602 "
1603
1604 TOOLCHAIN_FEATURES="
1605 as_dn_directive
1606 as_func
1607 as_object_arch
1608 asm_mod_q
1609 attribute_may_alias
1610 attribute_packed
1611 ebp_available
1612 ebx_available
1613 gnu_as
1614 ibm_asm
1615 inline_asm_labels
1616 pragma_deprecated
1617 symver_asm_label
1618 symver_gnu_asm
1619 vfp_args
1620 xform_asm
1621 xmm_clobbers
1622 "
1623
1624 TYPES_LIST="
1625 CONDITION_VARIABLE_Ptr
1626 socklen_t
1627 struct_addrinfo
1628 struct_group_source_req
1629 struct_ip_mreq_source
1630 struct_ipv6_mreq
1631 struct_pollfd
1632 struct_rusage_ru_maxrss
1633 struct_sockaddr_in6
1634 struct_sockaddr_sa_len
1635 struct_sockaddr_storage
1636 struct_v4l2_frmivalenum_discrete
1637 "
1638
1639 HAVE_LIST="
1640 $ARCH_EXT_LIST
1641 $(add_suffix _external $ARCH_EXT_LIST)
1642 $(add_suffix _inline $ARCH_EXT_LIST)
1643 $ARCH_FEATURES
1644 $ATOMICS_LIST
1645 $BUILTIN_LIST
1646 $HAVE_LIST_CMDLINE
1647 $HAVE_LIST_PUB
1648 $HEADERS_LIST
1649 $INTRINSICS_LIST
1650 $MATH_FUNCS
1651 $SYSTEM_FUNCS
1652 $THREADS_LIST
1653 $TOOLCHAIN_FEATURES
1654 $TYPES_LIST
1655 atomics_native
1656 dos_paths
1657 dxva2_lib
1658 libc_msvcrt
1659 libdc1394_1
1660 libdc1394_2
1661 sdl
1662 section_data_rel_ro
1663 threads
1664 vaapi_x11
1665 vdpau_x11
1666 xlib
1667 "
1668
1669 # options emitted with CONFIG_ prefix but not available on the command line
1670 CONFIG_EXTRA="
1671 aandcttables
1672 ac3dsp
1673 audio_frame_queue
1674 audiodsp
1675 blockdsp
1676 bswapdsp
1677 cabac
1678 dirac_parse
1679 dvprofile
1680 faandct
1681 faanidct
1682 fdctdsp
1683 flacdsp
1684 fmtconvert
1685 g722dsp
1686 gcrypt
1687 gmp
1688 golomb
1689 gplv3
1690 h263dsp
1691 h264chroma
1692 h264dsp
1693 h264pred
1694 h264qpel
1695 hpeldsp
1696 huffman
1697 huffyuvdsp
1698 huffyuvencdsp
1699 idctdsp
1700 iirfilter
1701 imdct15
1702 intrax8
1703 ividsp
1704 jpegtables
1705 libx262
1706 lgplv3
1707 lpc
1708 lzf
1709 me_cmp
1710 mpeg_er
1711 mpegaudio
1712 mpegaudiodsp
1713 mpegvideo
1714 mpegvideoenc
1715 mss34dsp
1716 pixblockdsp
1717 qpeldsp
1718 qsv
1719 qsvdec
1720 qsvenc
1721 rangecoder
1722 riffdec
1723 riffenc
1724 rtpdec
1725 rtpenc_chain
1726 rv34dsp
1727 sinewin
1728 snappy
1729 startcode
1730 texturedsp
1731 texturedspenc
1732 tpeldsp
1733 videodsp
1734 vp3dsp
1735 vp56dsp
1736 vp8dsp
1737 wma_freqs
1738 wmv2dsp
1739 "
1740
1741 CMDLINE_SELECT="
1742 $ARCH_EXT_LIST
1743 $CONFIG_LIST
1744 $HAVE_LIST_CMDLINE
1745 $THREADS_LIST
1746 asm
1747 cross_compile
1748 debug
1749 extra_warnings
1750 logging
1751 lto
1752 optimizations
1753 rpath
1754 "
1755
1756 PATHS_LIST="
1757 bindir
1758 datadir
1759 docdir
1760 incdir
1761 libdir
1762 mandir
1763 prefix
1764 shlibdir
1765 "
1766
1767 CMDLINE_SET="
1768 $PATHS_LIST
1769 ar
1770 arch
1771 as
1772 build_suffix
1773 cc
1774 objcc
1775 cpu
1776 cross_prefix
1777 custom_allocator
1778 dep_cc
1779 env
1780 extra_version
1781 host_cc
1782 host_cflags
1783 host_ld
1784 host_ldflags
1785 host_libs
1786 host_os
1787 ld
1788 logfile
1789 malloc_prefix
1790 nm
1791 optflags
1792 pkg_config
1793 pkg_config_flags
1794 random_seed
1795 samples
1796 sysinclude
1797 sysroot
1798 target_exec
1799 target_os
1800 target_path
1801 target_samples
1802 toolchain
1803 "
1804
1805 CMDLINE_APPEND="
1806 extra_cflags
1807 extra_objcflags
1808 host_cppflags
1809 "
1810
1811 # code dependency declarations
1812
1813 # architecture extensions
1814
1815 armv5te_deps="arm"
1816 armv6_deps="arm"
1817 armv6t2_deps="arm"
1818 armv8_deps="aarch64"
1819 neon_deps_any="aarch64 arm"
1820 intrinsics_neon_deps="neon"
1821 vfp_deps_any="aarch64 arm"
1822 vfpv3_deps="vfp"
1823
1824 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1825
1826 altivec_deps="ppc"
1827 ppc4xx_deps="ppc"
1828 vsx_deps="altivec"
1829 power8_deps="vsx"
1830
1831 cpunop_deps="i686"
1832 x86_64_select="i686"
1833 x86_64_suggest="fast_cmov"
1834
1835 amd3dnow_deps="mmx"
1836 amd3dnowext_deps="amd3dnow"
1837 i686_deps="x86"
1838 mmx_deps="x86"
1839 mmxext_deps="mmx"
1840 sse_deps="mmxext"
1841 sse2_deps="sse"
1842 sse3_deps="sse2"
1843 ssse3_deps="sse3"
1844 sse4_deps="ssse3"
1845 sse42_deps="sse4"
1846 avx_deps="sse42"
1847 xop_deps="avx"
1848 fma3_deps="avx"
1849 fma4_deps="avx"
1850 avx2_deps="avx"
1851
1852 mmx_external_deps="yasm"
1853 mmx_inline_deps="inline_asm"
1854 mmx_suggest="mmx_external mmx_inline"
1855
1856 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1857 eval dep=\$${ext}_deps
1858 eval ${ext}_external_deps='"${dep}_external"'
1859 eval ${ext}_inline_deps='"${dep}_inline"'
1860 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1861 done
1862
1863 aligned_stack_if_any="aarch64 ppc x86"
1864 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1865 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1866 fast_unaligned_if_any="aarch64 ppc x86"
1867 simd_align_16_if_any="altivec neon sse"
1868
1869 # system capabilities
1870 symver_if_any="symver_asm_label symver_gnu_asm"
1871 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
1872
1873 # threading support
1874 atomics_gcc_if="sync_val_compare_and_swap"
1875 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1876 atomics_win32_if="MemoryBarrier"
1877 atomics_native_if_any="$ATOMICS_LIST"
1878 w32threads_deps="atomics_native"
1879 threads_if_any="$THREADS_LIST"
1880
1881 # subsystems
1882 dct_select="rdft"
1883 dirac_parse_select="golomb"
1884 error_resilience_select="me_cmp"
1885 faandct_deps="faan fdctdsp"
1886 faanidct_deps="faan idctdsp"
1887 intrax8_select="error_resilience"
1888 mdct_select="fft"
1889 rdft_select="fft"
1890 me_cmp_select="fdctdsp idctdsp pixblockdsp"
1891 mpeg_er_select="error_resilience"
1892 mpegaudio_select="mpegaudiodsp"
1893 mpegaudiodsp_select="dct"
1894 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp videodsp"
1895 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
1896 nvenc_deps_any="dlopen LoadLibrary"
1897 nvenc_extralibs='$ldl'
1898 qsvdec_select="qsv"
1899 qsvenc_select="qsv"
1900
1901 # decoders / encoders
1902 aac_decoder_select="imdct15 mdct sinewin"
1903 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
1904 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1905 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
1906 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1907 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
1908 adpcm_g722_decoder_select="g722dsp"
1909 adpcm_g722_encoder_select="g722dsp"
1910 aic_decoder_select="golomb idctdsp"
1911 alac_encoder_select="lpc"
1912 als_decoder_select="bswapdsp"
1913 amrnb_decoder_select="lsp"
1914 amrwb_decoder_select="lsp"
1915 amv_decoder_select="sp5x_decoder"
1916 ape_decoder_select="bswapdsp"
1917 asv1_decoder_select="blockdsp bswapdsp idctdsp"
1918 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
1919 asv2_decoder_select="blockdsp bswapdsp idctdsp"
1920 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
1921 atrac1_decoder_select="mdct sinewin"
1922 atrac3_decoder_select="mdct"
1923 atrac3p_decoder_select="mdct sinewin"
1924 bink_decoder_select="blockdsp hpeldsp"
1925 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
1926 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
1927 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
1928 cllc_decoder_select="bswapdsp"
1929 comfortnoise_encoder_select="lpc"
1930 cook_decoder_select="audiodsp mdct sinewin"
1931 cscd_decoder_select="lzo"
1932 cscd_decoder_suggest="zlib"
1933 dca_decoder_select="fmtconvert mdct"
1934 dds_decoder_select="texturedsp"
1935 dnxhd_decoder_select="blockdsp idctdsp"
1936 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
1937 dvvideo_decoder_select="dvprofile idctdsp"
1938 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
1939 dxa_decoder_deps="zlib"
1940 dxv_decoder_select="lzf texturedsp"
1941 eac3_decoder_select="ac3_decoder"
1942 eac3_encoder_select="ac3_encoder"
1943 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
1944 eatgq_decoder_select="aandcttables idctdsp"
1945 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
1946 exr_decoder_deps="zlib"
1947 ffv1_decoder_select="golomb rangecoder"
1948 ffv1_encoder_select="rangecoder"
1949 ffvhuff_decoder_select="huffyuv_decoder"
1950 ffvhuff_encoder_select="huffyuv_encoder"
1951 fic_decoder_select="golomb"
1952 flac_decoder_select="flacdsp golomb"
1953 flac_encoder_select="bswapdsp flacdsp golomb lpc"
1954 flashsv_decoder_deps="zlib"
1955 flashsv_encoder_deps="zlib"
1956 flashsv2_decoder_deps="zlib"
1957 flv_decoder_select="h263_decoder"
1958 flv_encoder_select="h263_encoder"
1959 fourxm_decoder_select="blockdsp bswapdsp"
1960 fraps_decoder_select="bswapdsp huffman"
1961 g2m_decoder_deps="zlib"
1962 g2m_decoder_select="blockdsp idctdsp jpegtables"
1963 h261_decoder_select="mpeg_er mpegvideo"
1964 h261_encoder_select="aandcttables mpegvideoenc"
1965 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
1966 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1967 h263i_decoder_select="h263_decoder"
1968 h263p_encoder_select="h263_encoder"
1969 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
1970 h264_decoder_suggest="error_resilience"
1971 h264_nvenc_encoder_deps="nvenc"
1972 h264_qsv_decoder_deps="libmfx"
1973 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
1974 h264_qsv_encoder_deps="libmfx"
1975 h264_qsv_encoder_select="qsvenc"
1976 hap_decoder_select="snappy texturedsp"
1977 hap_encoder_deps="libsnappy"
1978 hap_encoder_select="texturedspenc"
1979 hevc_decoder_select="bswapdsp cabac golomb videodsp"
1980 hevc_nvenc_encoder_deps="nvenc"
1981 hevc_qsv_encoder_deps="libmfx"
1982 hevc_qsv_decoder_deps="libmfx"
1983 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
1984 hevc_qsv_encoder_select="qsvenc"
1985 huffyuv_decoder_select="bswapdsp huffyuvdsp"
1986 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
1987 iac_decoder_select="imc_decoder"
1988 imc_decoder_select="bswapdsp fft mdct sinewin"
1989 indeo3_decoder_select="hpeldsp"
1990 indeo4_decoder_select="ividsp"
1991 indeo5_decoder_select="ividsp"
1992 interplay_video_decoder_select="hpeldsp"
1993 jpegls_decoder_select="golomb mjpeg_decoder"
1994 jpegls_encoder_select="golomb"
1995 jv_decoder_select="blockdsp"
1996 lagarith_decoder_select="huffyuvdsp"
1997 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
1998 loco_decoder_select="golomb"
1999 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2000 metasound_decoder_select="lsp mdct sinewin"
2001 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2002 mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
2003 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2004 mjpegb_decoder_select="mjpeg_decoder"
2005 mlp_decoder_select="mlp_parser"
2006 motionpixels_decoder_select="bswapdsp"
2007 mp1_decoder_select="mpegaudio"
2008 mp1float_decoder_select="mpegaudio"
2009 mp2_decoder_select="mpegaudio"
2010 mp2float_decoder_select="mpegaudio"
2011 mp3_decoder_select="mpegaudio"
2012 mp3adu_decoder_select="mpegaudio"
2013 mp3adufloat_decoder_select="mpegaudio"
2014 mp3float_decoder_select="mpegaudio"
2015 mp3on4_decoder_select="mpegaudio"
2016 mp3on4float_decoder_select="mpegaudio"
2017 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2018 mpc8_decoder_select="mpegaudiodsp"
2019 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2020 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2021 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2022 mpeg1video_encoder_select="aandcttables mpegvideoenc"
2023 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2024 mpeg2video_encoder_select="aandcttables mpegvideoenc"
2025 mpeg2_qsv_decoder_deps="libmfx"
2026 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel mpegvideo_parser"
2027 mpeg2_qsv_encoder_deps="libmfx"
2028 mpeg2_qsv_encoder_select="qsvenc"
2029 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2030 mpeg4_encoder_select="h263_encoder"
2031 msa1_decoder_select="mss34dsp"
2032 msmpeg4v1_decoder_select="h263_decoder"
2033 msmpeg4v2_decoder_select="h263_decoder"
2034 msmpeg4v2_encoder_select="h263_encoder"
2035 msmpeg4v3_decoder_select="h263_decoder"
2036 msmpeg4v3_encoder_select="h263_encoder"
2037 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
2038 mts2_decoder_select="mss34dsp"
2039 mxpeg_decoder_select="mjpeg_decoder"
2040 nellymoser_decoder_select="mdct sinewin"
2041 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2042 nuv_decoder_select="idctdsp lzo"
2043 nvenc_h264_encoder_deps="nvenc"
2044 nvenc_hevc_encoder_deps="nvenc"
2045 on2avc_decoder_select="mdct"
2046 opus_decoder_deps="avresample"
2047 opus_decoder_select="imdct15"
2048 png_decoder_deps="zlib"
2049 png_encoder_deps="zlib"
2050 png_encoder_select="huffyuvencdsp"
2051 prores_decoder_select="idctdsp"
2052 prores_encoder_select="fdctdsp"
2053 qcelp_decoder_select="lsp"
2054 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2055 ra_144_encoder_select="audio_frame_queue lpc"
2056 ralf_decoder_select="golomb"
2057 rscc_decoder_deps="zlib"
2058 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2059 rv10_encoder_select="h263_encoder"
2060 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2061 rv20_encoder_select="h263_encoder"
2062 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2063 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2064 screenpresso_decoder_deps="zlib"
2065 shorten_decoder_select="golomb"
2066 sipr_decoder_select="lsp"
2067 sp5x_decoder_select="mjpeg_decoder"
2068 svq1_decoder_select="hpeldsp"
2069 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2070 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2071 svq3_decoder_suggest="zlib"
2072 tak_decoder_select="audiodsp"
2073 tdsc_decoder_deps="zlib"
2074 tdsc_decoder_select="mjpeg_decoder"
2075 theora_decoder_select="vp3_decoder"
2076 thp_decoder_select="mjpeg_decoder"
2077 tiff_decoder_suggest="zlib"
2078 tiff_encoder_suggest="zlib"
2079 truehd_decoder_select="mlp_decoder"
2080 truemotion2_decoder_select="bswapdsp"
2081 truespeech_decoder_select="bswapdsp"
2082 tscc_decoder_deps="zlib"
2083 txd_decoder_select="texturedsp"
2084 twinvq_decoder_select="mdct lsp sinewin"
2085 utvideo_decoder_select="bswapdsp"
2086 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2087 vble_decoder_select="huffyuvdsp"
2088 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
2089 vc1image_decoder_select="vc1_decoder"
2090 vorbis_decoder_select="mdct"
2091 vorbis_encoder_select="mdct"
2092 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2093 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2094 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2095 vp6a_decoder_select="vp6_decoder"
2096 vp6f_decoder_select="vp6_decoder"
2097 vp7_decoder_select="h264pred videodsp vp8dsp"
2098 vp8_decoder_select="h264pred videodsp vp8dsp"
2099 vp9_decoder_select="videodsp"
2100 webp_decoder_select="vp8_decoder"
2101 wmapro_decoder_select="mdct sinewin wma_freqs"
2102 wmav1_decoder_select="mdct sinewin wma_freqs"
2103 wmav1_encoder_select="mdct sinewin wma_freqs"
2104 wmav2_decoder_select="mdct sinewin wma_freqs"
2105 wmav2_encoder_select="mdct sinewin wma_freqs"
2106 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2107 wmv1_decoder_select="h263_decoder"
2108 wmv1_encoder_select="h263_encoder"
2109 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2110 wmv2_encoder_select="h263_encoder wmv2dsp"
2111 wmv3_decoder_select="vc1_decoder"
2112 wmv3image_decoder_select="wmv3_decoder"
2113 zerocodec_decoder_deps="zlib"
2114 zlib_decoder_deps="zlib"
2115 zlib_encoder_deps="zlib"
2116 zmbv_decoder_deps="zlib"
2117 zmbv_encoder_deps="zlib"
2118
2119 # hardware accelerators
2120 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2121 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2122 vaapi_deps="va_va_h"
2123 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2124 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2125 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2126
2127 h263_vaapi_hwaccel_deps="vaapi"
2128 h263_vaapi_hwaccel_select="h263_decoder"
2129 h264_d3d11va_hwaccel_deps="d3d11va"
2130 h264_d3d11va_hwaccel_select="h264_decoder"
2131 h264_dxva2_hwaccel_deps="dxva2"
2132 h264_dxva2_hwaccel_select="h264_decoder"
2133 h264_mmal_decoder_deps="mmal"
2134 h264_mmal_hwaccel_deps="mmal"
2135 h264_mmal_decoder_select="h264_decoder"
2136 h264_mmal_encoder_deps="mmal"
2137 h264_qsv_hwaccel_deps="libmfx"
2138 h264_vaapi_hwaccel_deps="vaapi"
2139 h264_vaapi_hwaccel_select="h264_decoder"
2140 h264_vda_hwaccel_deps="vda"
2141 h264_vda_hwaccel_select="h264_decoder"
2142 h264_vda_old_hwaccel_deps="vda"
2143 h264_vda_old_hwaccel_select="h264_decoder"
2144 h264_vdpau_hwaccel_deps="vdpau"
2145 h264_vdpau_hwaccel_select="h264_decoder"
2146 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2147 hevc_d3d11va_hwaccel_select="hevc_decoder"
2148 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2149 hevc_dxva2_hwaccel_select="hevc_decoder"
2150 hevc_qsv_hwaccel_deps="libmfx"
2151 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2152 hevc_vdpau_hwaccep_select="hevc_decoder"
2153 mpeg1_vdpau_hwaccel_deps="vdpau"
2154 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2155 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2156 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2157 mpeg2_dxva2_hwaccel_deps="dxva2"
2158 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2159 mpeg2_qsv_hwaccel_deps="libmfx"
2160 mpeg2_vaapi_hwaccel_deps="vaapi"
2161 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2162 mpeg2_vdpau_hwaccel_deps="vdpau"
2163 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2164 mpeg4_vaapi_hwaccel_deps="vaapi"
2165 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2166 mpeg4_vdpau_hwaccel_deps="vdpau"
2167 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2168 vc1_d3d11va_hwaccel_deps="d3d11va"
2169 vc1_d3d11va_hwaccel_select="vc1_decoder"
2170 vc1_dxva2_hwaccel_deps="dxva2"
2171 vc1_dxva2_hwaccel_select="vc1_decoder"
2172 vc1_vaapi_hwaccel_deps="vaapi"
2173 vc1_vaapi_hwaccel_select="vc1_decoder"
2174 vc1_vdpau_hwaccel_deps="vdpau"
2175 vc1_vdpau_hwaccel_select="vc1_decoder"
2176 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2177 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2178 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2179 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2180
2181 # parsers
2182 h264_parser_select="h264_decoder"
2183 hevc_parser_select="golomb"
2184 mpegvideo_parser_select="mpegvideo"
2185 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
2186 vc1_parser_select="mpegvideo startcode vc1_decoder"
2187
2188 # bitstream_filters
2189 mjpeg2jpeg_bsf_select="jpegtables"
2190
2191 # external libraries
2192 libdcadec_decoder_deps="libdcadec"
2193 libfaac_encoder_deps="libfaac"
2194 libfaac_encoder_select="audio_frame_queue"
2195 libfdk_aac_decoder_deps="libfdk_aac"
2196 libfdk_aac_encoder_deps="libfdk_aac"
2197 libfdk_aac_encoder_select="audio_frame_queue"
2198 libgsm_decoder_deps="libgsm"
2199 libgsm_encoder_deps="libgsm"
2200 libgsm_ms_decoder_deps="libgsm"
2201 libgsm_ms_encoder_deps="libgsm"
2202 libilbc_decoder_deps="libilbc"
2203 libilbc_encoder_deps="libilbc"
2204 libkvazaar_encoder_deps="libkvazaar"
2205 libmp3lame_encoder_deps="libmp3lame"
2206 libmp3lame_encoder_select="audio_frame_queue"
2207 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2208 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2209 libopencore_amrnb_encoder_select="audio_frame_queue"
2210 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2211 libopenh264_encoder_deps="libopenh264"
2212 libopenjpeg_decoder_deps="libopenjpeg"
2213 libopenjpeg_encoder_deps="libopenjpeg"
2214 libopus_decoder_deps="libopus"
2215 libopus_encoder_deps="libopus"
2216 libopus_encoder_select="audio_frame_queue"
2217 libschroedinger_decoder_deps="libschroedinger"
2218 libschroedinger_encoder_deps="libschroedinger"
2219 libspeex_decoder_deps="libspeex"
2220 libspeex_encoder_deps="libspeex"
2221 libspeex_encoder_select="audio_frame_queue"
2222 libtheora_encoder_deps="libtheora"
2223 libtwolame_encoder_deps="libtwolame"
2224 libvo_aacenc_encoder_deps="libvo_aacenc"
2225 libvo_aacenc_encoder_select="audio_frame_queue"
2226 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2227 libvorbis_encoder_deps="libvorbis"
2228 libvorbis_encoder_select="audio_frame_queue"
2229 libvpx_vp8_decoder_deps="libvpx"
2230 libvpx_vp8_encoder_deps="libvpx"
2231 libvpx_vp9_decoder_deps="libvpx"
2232 libvpx_vp9_encoder_deps="libvpx"
2233 libwavpack_encoder_deps="libwavpack"
2234 libwebp_encoder_deps="libwebp"
2235 libx262_encoder_deps="libx262"
2236 libx264_encoder_deps="libx264"
2237 libx265_encoder_deps="libx265"
2238 libxavs_encoder_deps="libxavs"
2239 libxvid_encoder_deps="libxvid"
2240
2241 # demuxers / muxers
2242 ac3_demuxer_select="ac3_parser"
2243 asf_demuxer_select="riffdec"
2244 asf_muxer_select="riffenc"
2245 asf_stream_muxer_select="asf_muxer"
2246 avi_demuxer_select="riffdec"
2247 avi_muxer_select="riffenc"
2248 avisynth_demuxer_deps="avisynth"
2249 avisynth_demuxer_select="riffdec"
2250 caf_demuxer_select="riffdec"
2251 dash_muxer_select="mp4_muxer"
2252 dirac_demuxer_select="dirac_parser"
2253 dv_demuxer_select="dvprofile"
2254 dv_muxer_select="dvprofile"
2255 dxa_demuxer_select="riffdec"
2256 eac3_demuxer_select="ac3_parser"
2257 f4v_muxer_select="mov_muxer"
2258 flac_demuxer_select="flac_parser"
2259 hds_muxer_select="flv_muxer"
2260 hls_muxer_select="mpegts_muxer"
2261 ipod_muxer_select="mov_muxer"
2262 ismv_muxer_select="mov_muxer"
2263 matroska_audio_muxer_select="matroska_muxer"
2264 matroska_demuxer_select="riffdec"
2265 matroska_demuxer_suggest="bzlib lzo zlib"
2266 matroska_muxer_select="riffenc"
2267 mmf_muxer_select="riffenc"
2268 mov_demuxer_select="riffdec"
2269 mov_demuxer_suggest="zlib"
2270 mov_muxer_select="riffenc rtpenc_chain"
2271 mp3_demuxer_select="mpegaudio_parser"
2272 mp4_muxer_select="mov_muxer"
2273 mpegts_muxer_select="adts_muxer latm_muxer"
2274 mpegtsraw_demuxer_select="mpegts_demuxer"
2275 mxf_d10_muxer_select="mxf_muxer"
2276 nut_muxer_select="riffenc"
2277 nuv_demuxer_select="riffdec"
2278 oga_muxer_select="ogg_muxer"
2279 ogg_demuxer_select="dirac_parse"
2280 opus_muxer_select="ogg_muxer"
2281 psp_muxer_select="mov_muxer"
2282 rtp_demuxer_select="sdp_demuxer"
2283 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2284 rtsp_demuxer_select="http_protocol rtpdec"
2285 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2286 sap_demuxer_select="sdp_demuxer"
2287 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2288 sdp_demuxer_select="rtpdec"
2289 smoothstreaming_muxer_select="ismv_muxer"
2290 spdif_muxer_select="aac_parser"
2291 spx_muxer_select="ogg_muxer"
2292 swf_demuxer_suggest="zlib"
2293 tak_demuxer_select="tak_parser"
2294 tg2_muxer_select="mov_muxer"
2295 tgp_muxer_select="mov_muxer"
2296 w64_demuxer_select="wav_demuxer"
2297 wav_demuxer_select="riffdec"
2298 wav_muxer_select="riffenc"
2299 webm_muxer_select="riffenc"
2300 webm_muxer_suggest="libopus_encoder libvorbis_encoder libvpx_vp8_encoder libvpx_vp9_encoder"
2301 wtv_demuxer_select="riffdec"
2302 xmv_demuxer_select="riffdec"
2303 xwma_demuxer_select="riffdec"
2304
2305 # indevs / outdevs
2306 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2307 alsa_outdev_deps="alsa_asoundlib_h"
2308 avfoundation_indev_deps="AVFoundation_AVFoundation_h"
2309 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2310 dv1394_indev_deps="dv1394"
2311 dv1394_indev_select="dv_demuxer"
2312 fbdev_indev_deps="linux_fb_h"
2313 jack_indev_deps="jack_jack_h pthreads"
2314 libcdio_indev_deps="libcdio"
2315 libdc1394_indev_deps="libdc1394"
2316 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2317 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2318 pulse_indev_deps="libpulse"
2319 sndio_indev_deps="sndio_h"
2320 sndio_outdev_deps="sndio_h"
2321 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2322 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2323 vfwcap_indev_extralibs="-lavicap32"
2324 x11grab_indev_deps="x11grab"
2325 x11grab_xcb_indev_deps="libxcb"
2326
2327 # protocols
2328 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2329 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2330 ffrtmpcrypt_protocol_select="tcp_protocol"
2331 ffrtmphttp_protocol_deps="!librtmp_protocol"
2332 ffrtmphttp_protocol_select="http_protocol"
2333 gopher_protocol_select="network"
2334 http_protocol_select="tcp_protocol"
2335 httpproxy_protocol_select="tcp_protocol"
2336 https_protocol_select="tls_protocol"
2337 icecast_protocol_select="http_protocol"
2338 librtmp_protocol_deps="librtmp"
2339 librtmpe_protocol_deps="librtmp"
2340 librtmps_protocol_deps="librtmp"
2341 librtmpt_protocol_deps="librtmp"
2342 librtmpte_protocol_deps="librtmp"
2343 mmsh_protocol_select="http_protocol"
2344 mmst_protocol_select="network"
2345 rtmp_protocol_deps="!librtmp_protocol"
2346 rtmp_protocol_select="tcp_protocol"
2347 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2348 rtmps_protocol_deps="!librtmp_protocol"
2349 rtmps_protocol_select="tls_protocol"
2350 rtmpt_protocol_select="ffrtmphttp_protocol"
2351 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2352 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2353 rtp_protocol_select="udp_protocol"
2354 sctp_protocol_deps="struct_sctp_event_subscribe"
2355 sctp_protocol_select="network"
2356 srtp_protocol_select="rtp_protocol"
2357 tcp_protocol_select="network"
2358 tls_gnutls_protocol_deps="gnutls"
2359 tls_gnutls_protocol_select="tcp_protocol"
2360 tls_openssl_protocol_deps="openssl !tls_gnutls_protocol"
2361 tls_openssl_protocol_select="tcp_protocol"
2362 tls_protocol_select_any="tls_gnutls_protocol tls_openssl_protocol"
2363 udp_protocol_select="network"
2364 unix_protocol_deps="sys_un_h"
2365 unix_protocol_select="network"
2366
2367 # filters
2368 blackframe_filter_deps="gpl"
2369 boxblur_filter_deps="gpl"
2370 bs2b_filter_deps="libbs2b"
2371 cropdetect_filter_deps="gpl"
2372 delogo_filter_deps="gpl"
2373 drawtext_filter_deps="libfreetype"
2374 frei0r_filter_deps="frei0r dlopen"
2375 frei0r_filter_extralibs='$ldl'
2376 frei0r_src_filter_deps="frei0r dlopen"
2377 frei0r_src_filter_extralibs='$ldl'
2378 hqdn3d_filter_deps="gpl"
2379 interlace_filter_deps="gpl"
2380 ocv_filter_deps="libopencv"
2381 resample_filter_deps="avresample"
2382 scale_filter_deps="swscale"
2383
2384 # examples
2385 avcodec_example_deps="avcodec avutil"
2386 filter_audio_example_deps="avfilter avutil"
2387 metadata_example_deps="avformat avutil"
2388 output_example_deps="avcodec avformat avutil swscale"
2389 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2390 transcode_aac_example_deps="avcodec avformat avresample"
2391
2392 # libraries, in linking order
2393 avcodec_deps="avutil"
2394 avdevice_deps="avformat avcodec avutil"
2395 avfilter_deps="avutil"
2396 avformat_deps="avcodec avutil"
2397 avresample_deps="avutil"
2398 swscale_deps="avutil"
2399
2400 # programs
2401 avconv_deps="avcodec avfilter avformat avresample swscale"
2402 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2403 fps_filter null_filter resample_filter scale_filter
2404 setpts_filter trim_filter"
2405 avplay_deps="avcodec avfilter avformat avresample sdl"
2406 avplay_libs='$sdl_libs'
2407 avplay_select="rdft format_filter transpose_filter hflip_filter vflip_filter"
2408 avprobe_deps="avcodec avformat"
2409
2410 # documentation
2411 pod2man_deps="doc"
2412 texi2html_deps="doc"
2413
2414 # default parameters
2415
2416 logfile="config.log"
2417
2418 # installation paths
2419 prefix_default="/usr/local"
2420 bindir_default='${prefix}/bin'
2421 datadir_default='${prefix}/share/avconv'
2422 docdir_default='${prefix}/share/doc/libav'
2423 incdir_default='${prefix}/include'
2424 libdir_default='${prefix}/lib'
2425 mandir_default='${prefix}/share/man'
2426 shlibdir_default="$libdir_default"
2427
2428 # toolchain
2429 ar_default="ar"
2430 cc_default="gcc"
2431 host_cc_default="gcc"
2432 cp_f="cp -f"
2433 ln_s="ln -s -f"
2434 nm_default="nm -g"
2435 objformat="elf"
2436 pkg_config_default=pkg-config
2437 ranlib="ranlib"
2438 strip="strip"
2439 yasmexe="yasm"
2440
2441 # machine
2442 arch_default=$(uname -m)
2443 cpu="generic"
2444 intrinsics="none"
2445
2446 # OS
2447 target_os_default=$(tolower $(uname -s))
2448 host_os=$target_os_default
2449
2450 # configurable options
2451 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2452
2453 enable asm
2454 enable debug
2455 enable doc
2456 enable faan faandct faanidct
2457 enable optimizations
2458 enable safe_bitstream_reader
2459 enable static
2460 enable swscale_alpha
2461 enable valgrind_backtrace
2462
2463 # By default, enable only those hwaccels that have no external dependencies.
2464 enable d3d11va dxva2 vda vdpau
2465
2466 # build settings
2467 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2468 LIBPREF="lib"
2469 LIBSUF=".a"
2470 FULLNAME='$(NAME)$(BUILDSUF)'
2471 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2472 SLIBPREF="lib"
2473 SLIBSUF=".so"
2474 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2475 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2476 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2477 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2478 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2479 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2480
2481 asflags_filter=echo
2482 cflags_filter=echo
2483 ldflags_filter=echo
2484
2485 AS_C='-c'
2486 AS_O='-o $@'
2487 CC_C='-c'
2488 CC_E='-E -o $@'
2489 CC_O='-o $@'
2490 OBJCC_C='-c'
2491 OBJCC_E='-E -o $@'
2492 OBJCC_O='-o $@'
2493 LD_O='-o $@'
2494 LD_LIB='-l%'
2495 LD_PATH='-L'
2496 HOSTCC_C='-c'
2497 HOSTCC_E='-E -o $@'
2498 HOSTCC_O='-o $@'
2499 HOSTLD_O='-o $@'
2500
2501 host_libs='-lm'
2502 host_cflags_filter=echo
2503 host_ldflags_filter=echo
2504
2505 target_path='$(CURDIR)'
2506
2507 # since the object filename is not given with the -MM flag, the compiler
2508 # is only able to print the basename, and we must add the path ourselves
2509 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2510 DEPFLAGS='-MM'
2511
2512 # find source path
2513 if test -f configure; then
2514 source_path=.
2515 else
2516 source_path=$(cd $(dirname "$0"); pwd)
2517 echo "$source_path" | grep -q '[[:blank:]]' &&
2518 die "Out of tree builds are impossible with whitespace in source path."
2519 test -e "$source_path/config.h" &&
2520 die "Out of tree builds are impossible with config.h in source dir."
2521 fi
2522
2523 for v in "$@"; do
2524 r=${v#*=}
2525 l=${v%"$r"}
2526 r=$(sh_quote "$r")
2527 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2528 done
2529
2530 find_things(){
2531 thing=$1
2532 pattern=$2
2533 file=$source_path/$3
2534 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2535 }
2536
2537 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2538 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2539 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2540 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2541 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2542 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2543 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2544 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2545 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2546 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2547 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2548
2549 ALL_COMPONENTS="
2550 $BSF_LIST
2551 $DECODER_LIST
2552 $DEMUXER_LIST
2553 $ENCODER_LIST
2554 $FILTER_LIST
2555 $HWACCEL_LIST
2556 $INDEV_LIST
2557 $MUXER_LIST
2558 $OUTDEV_LIST
2559 $PARSER_LIST
2560 $PROTOCOL_LIST
2561 "
2562
2563 enable $ARCH_EXT_LIST
2564
2565 die_unknown(){
2566 echo "Unknown option \"$1\"."
2567 echo "See $0 --help for available options."
2568 exit 1
2569 }
2570
2571 print_3_columns() {
2572 printf "%-25s %-25s %-25s\n" $(cat | tr ' ' '\n' | sort)
2573 }
2574
2575 show_list() {
2576 suffix=_$1
2577 shift
2578 echo $* | sed s/$suffix//g | print_3_columns
2579 exit 0
2580 }
2581
2582 rand_list(){
2583 IFS=', '
2584 set -- $*
2585 unset IFS
2586 for thing; do
2587 comp=${thing%:*}
2588 prob=${thing#$comp}
2589 prob=${prob#:}
2590 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2591 echo "prob ${prob:-0.5}"
2592 printf '%s\n' $comp
2593 done
2594 }
2595
2596 do_random(){
2597 action=$1
2598 shift
2599 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2600 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2601 }
2602
2603 for opt do
2604 optval="${opt#*=}"
2605 case "$opt" in
2606 --extra-ldflags=*)
2607 add_ldflags $optval
2608 ;;
2609 --extra-ldexeflags=*)
2610 add_ldexeflags $optval
2611 ;;
2612 --extra-libs=*)
2613 add_extralibs $optval
2614 ;;
2615 --disable-devices)
2616 disable $INDEV_LIST $OUTDEV_LIST
2617 ;;
2618 --enable-debug=*)
2619 debuglevel="$optval"
2620 ;;
2621 --disable-programs)
2622 disable $PROGRAM_LIST
2623 ;;
2624 --disable-everything)
2625 map 'eval disable \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2626 ;;
2627 --disable-all)
2628 map 'eval disable \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2629 disable $LIBRARY_LIST $PROGRAM_LIST doc
2630 ;;
2631 --enable-random|--disable-random)
2632 action=${opt%%-random}
2633 do_random ${action#--} $COMPONENT_LIST
2634 ;;
2635 --enable-random=*|--disable-random=*)
2636 action=${opt%%-random=*}
2637 do_random ${action#--} $optval
2638 ;;
2639 --enable-*=*|--disable-*=*)
2640 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2641 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2642 eval list=\$$(toupper $thing)_LIST
2643 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2644 test $action = enable && action="request"
2645 $action $(filter "$name" $list)
2646 ;;
2647 --enable-avserver|--disable-avserver*)
2648 warn "avserver has been removed, the ${opt} option is only"\
2649 "provided for compatibility and will be removed in the future"
2650 ;;
2651 --enable-?*|--disable-?*)
2652 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2653 if is_in $option $COMPONENT_LIST; then
2654 eval $action \$$(toupper ${option%s})_LIST
2655 elif is_in $option $CMDLINE_SELECT; then
2656 $action $option
2657 else
2658 die_unknown $opt
2659 fi
2660 ;;
2661 --list-*)
2662 NAME="${opt#--list-}"
2663 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2664 NAME=${NAME%s}
2665 eval show_list $NAME \$$(toupper $NAME)_LIST
2666 ;;
2667 --help|-h) show_help
2668 ;;
2669 *)
2670 optname="${opt%%=*}"
2671 optname="${optname#--}"
2672 optname=$(echo "$optname" | sed 's/-/_/g')
2673 if is_in $optname $CMDLINE_SET; then
2674 eval $optname='$optval'
2675 elif is_in $optname $CMDLINE_APPEND; then
2676 append $optname "$optval"
2677 else
2678 die_unknown $opt
2679 fi
2680 ;;
2681 esac
2682 done
2683
2684 for e in $env; do
2685 eval "export $e"
2686 done
2687
2688 disabled logging && logfile=/dev/null
2689
2690 # Disable all the library-specific components if the library itself
2691 # is disabled, see AVCODEC_LIST and following _LIST variables.
2692
2693 disable_components(){
2694 disabled ${1} && disable_weak $(
2695 eval components="\$$(toupper ${1})_COMPONENTS"
2696 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
2697 )
2698 }
2699
2700 map 'disable_components $v' $LIBRARY_LIST
2701
2702 # Mark components that had not been enabled/disabled explicitly
2703 # as enabled
2704
2705 for n in $COMPONENT_LIST; do
2706 v=$(toupper ${n%s})_LIST
2707 eval enable_weak \$$v
2708 eval ${n}_if_any="\$$v"
2709 done
2710
2711 # Make so that disabled libraries are enabled if a component
2712 # of them is requested
2713
2714 for n in $LIBRARY_LIST; do
2715 v=$(toupper ${n})_COMPONENTS
2716 eval ${n}_if_any="\$$v"
2717 done
2718
2719 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2720 set >> $logfile
2721
2722 case "$toolchain" in
2723 *-asan)
2724 cc_default="${toolchain%-asan}"
2725 add_cflags -fsanitize=address
2726 add_ldflags -fsanitize=address
2727 ;;
2728 *-tsan)
2729 cc_default="${toolchain%-tsan}"
2730 add_cflags -fsanitize=thread -pie
2731 add_ldflags -fsanitize=thread -pie
2732 case "$toolchain" in
2733 gcc-tsan)
2734 add_cflags -fPIC
2735 add_ldflags -fPIC
2736 ;;
2737 esac
2738 ;;
2739 *-usan)
2740 cc_default="${toolchain%-usan}"
2741 add_cflags -fsanitize=undefined
2742 add_ldflags -fsanitize=undefined
2743 case "$toolchain" in
2744 clang-usan)
2745 add_cflags -O1
2746 ;;
2747 esac
2748 ;;
2749 valgrind-*)
2750 target_exec_default="valgrind"
2751 case "$toolchain" in
2752 valgrind-massif)
2753 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2754 ;;
2755 valgrind-memcheck)
2756 target_exec_args="--track-origins=yes --leak-check=full"
2757 ;;
2758 esac
2759 ;;
2760 msvc)
2761 # Check whether the current MSVC version needs the C99 converter.
2762 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2763 # support enough of C99 to build libav. Default to the new
2764 # behaviour if the regexp was unable to match anything, since this
2765 # successfully parses the version number of existing supported
2766 # versions that require the converter (MSVC 2010 and 2012).
2767 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2768 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2769 cc_default="cl"
2770 else
2771 cc_default="c99wrap cl"
2772 fi
2773 ld_default="$source_path/compat/windows/mslink"
2774 nm_default="dumpbin -symbols"
2775 ar_default="lib"
2776 case "$arch" in
2777 arm*)
2778 as_default="armasm"
2779 ;;
2780 esac
2781 target_os_default="win32"
2782 # Use a relative path for TMPDIR. This makes sure all the
2783 # ffconf temp files are written with a relative path, avoiding
2784 # issues with msys/win32 path conversion for MSVC parameters
2785 # such as -Fo<file> or -out:<file>.
2786 TMPDIR=.
2787 ;;
2788 icl)
2789 cc_default="icl"
2790 ld_default="xilink"
2791 nm_default="dumpbin -symbols"
2792 ar_default="xilib"
2793 target_os_default="win32"
2794 TMPDIR=.
2795 ;;
2796 gcov)
2797 add_cflags -fprofile-arcs -ftest-coverage
2798 add_ldflags -fprofile-arcs -ftest-coverage
2799 ;;
2800 hardened)
2801 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
2802 add_cflags -fno-strict-overflow -fstack-protector-all
2803 add_ldflags -Wl,-z,relro -Wl,-z,now
2804 ;;
2805 ?*)
2806 die "Unknown toolchain $toolchain"
2807 ;;
2808 esac
2809
2810 test -n "$cross_prefix" && enable cross_compile
2811
2812 if enabled cross_compile; then
2813 test -n "$arch" && test -n "$target_os" ||
2814 die "Must specify target arch and OS when cross-compiling"
2815 fi
2816
2817 ar_default="${cross_prefix}${ar_default}"
2818 cc_default="${cross_prefix}${cc_default}"
2819 occ_default="${cross_prefix}${occ_default}"
2820 nm_default="${cross_prefix}${nm_default}"
2821 pkg_config_default="${cross_prefix}${pkg_config_default}"
2822 ranlib="${cross_prefix}${ranlib}"
2823 strip="${cross_prefix}${strip}"
2824
2825 sysinclude_default="${sysroot}/usr/include"
2826
2827 set_default arch cc pkg_config sysinclude target_exec target_os
2828 enabled cross_compile || host_cc_default=$cc
2829 set_default host_cc
2830
2831 if ! $pkg_config --version >/dev/null 2>&1; then
2832 warn "$pkg_config not found, library detection may fail."
2833 pkg_config=false
2834 fi
2835
2836 exesuf() {
2837 case $1 in
2838 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2839 esac
2840 }
2841
2842 EXESUF=$(exesuf $target_os)
2843 HOSTEXESUF=$(exesuf $host_os)
2844
2845 # set temporary file name
2846 : ${TMPDIR:=$TEMPDIR}
2847 : ${TMPDIR:=$TMP}
2848 : ${TMPDIR:=/tmp}
2849
2850 if ! check_cmd mktemp -u XXXXXX; then
2851 # simple replacement for missing mktemp
2852 # NOT SAFE FOR GENERAL USE
2853 mktemp(){
2854 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2855 }
2856 fi
2857
2858 tmpfile(){
2859 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2860 (set -C; exec > $tmp) 2>/dev/null ||
2861 die "Unable to create temporary file in $TMPDIR."
2862 append TMPFILES $tmp
2863 eval $1=$tmp
2864 }
2865
2866 trap 'rm -f -- $TMPFILES' EXIT
2867
2868 tmpfile TMPASM .asm
2869 tmpfile TMPC .c
2870 tmpfile TMPE $EXESUF
2871 tmpfile TMPH .h
2872 tmpfile TMPO .o
2873 tmpfile TMPS .S
2874 tmpfile TMPSH .sh
2875 tmpfile TMPV .ver
2876
2877 unset -f mktemp
2878
2879 chmod +x $TMPE
2880
2881 # make sure we can execute files in $TMPDIR
2882 cat > $TMPSH 2>> $logfile <<EOF
2883 #! /bin/sh
2884 EOF
2885 chmod +x $TMPSH >> $logfile 2>&1
2886 if ! $TMPSH >> $logfile 2>&1; then
2887 cat <<EOF
2888 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2889 variable to another directory and make sure that it is not mounted noexec.
2890 EOF
2891 die "Sanity test failed."
2892 fi
2893
2894 armasm_flags(){
2895 for flag; do
2896 case $flag in
2897 # Filter out MSVC cl.exe options from cflags that shouldn't
2898 # be passed to gas-preprocessor
2899 -M[TD]*) ;;
2900 *) echo $flag ;;
2901 esac
2902 done
2903 }
2904
2905 ccc_flags(){
2906 for flag; do
2907 case $flag in
2908 -std=c99) echo -c99 ;;
2909 -mcpu=*) echo -arch ${flag#*=} ;;
2910 -mieee) echo -ieee ;;
2911 -O*|-fast) echo $flag ;;
2912 -fno-math-errno) echo -assume nomath_errno ;;
2913 -g) echo -g3 ;;
2914 -Wall) echo -msg_enable level2 ;;
2915 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2916 -Wl,*) echo $flag ;;
2917 -f*|-W*) ;;
2918 *) echo $flag ;;
2919 esac
2920 done
2921 }
2922
2923 cparser_flags(){
2924 for flag; do
2925 case $flag in
2926 -Wno-switch) echo -Wno-switch-enum ;;
2927 -Wno-format-zero-length) ;;
2928 -Wdisabled-optimization) ;;
2929 -Wno-pointer-sign) echo -Wno-other ;;
2930 *) echo $flag ;;
2931 esac
2932 done
2933 }
2934
2935 msvc_common_flags(){
2936 for flag; do
2937 case $flag in
2938 # In addition to specifying certain flags under the compiler
2939 # specific filters, they must be specified here as well or else the
2940 # generic catch all at the bottom will print the original flag.
2941 -Wall) ;;
2942 -std=c99) ;;
2943 # Common flags
2944 -fomit-frame-pointer) ;;
2945 -g) echo -Z7 ;;
2946 -fno-math-errno) ;;
2947 -fno-common) ;;
2948 -fno-signed-zeros) ;;
2949 -fPIC) ;;
2950 -mthumb) ;;
2951 -march=*) ;;
2952 -lz) echo zlib.lib ;;
2953 -lavifil32) echo vfw32.lib ;;
2954 -lavicap32) echo vfw32.lib user32.lib ;;
2955 -lx264) echo libx264.lib ;;
2956 -l*) echo ${flag#-l}.lib ;;
2957 -L*) echo -libpath:${flag#-L} ;;
2958 *) echo $flag ;;
2959 esac
2960 done
2961 }
2962
2963 msvc_flags(){
2964 msvc_common_flags "$@"
2965 for flag; do
2966 case $flag in
2967 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2968 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2969 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2970 -wd4273 -wd4554 -wd4701 ;;
2971 esac
2972 done
2973 }
2974
2975 icl_flags(){
2976 msvc_common_flags "$@"
2977 for flag; do
2978 case $flag in
2979 # Despite what Intel's documentation says -Wall, which is supported
2980 # on Windows, does enable remarks so disable them here.
2981 -Wall) echo $flag -Qdiag-disable:remark ;;
2982 -std=c99) echo -Qstd=c99 ;;
2983 esac
2984 done
2985 }
2986
2987 pgi_flags(){
2988 for flag; do
2989 case $flag in
2990 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2991 -fomit-frame-pointer) echo -Mnoframe ;;
2992 -g) echo -gopt ;;
2993 *) echo $flag ;;
2994 esac
2995 done
2996 }
2997
2998 suncc_flags(){
2999 for flag; do
3000 case $flag in
3001 -march=*|-mcpu=*)
3002 case "${flag#*=}" in
3003 native) echo -xtarget=native ;;
3004 v9|niagara) echo -xarch=sparc ;;
3005 ultrasparc) echo -xarch=sparcvis ;;
3006 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3007 i586|pentium) echo -xchip=pentium ;;
3008 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3009 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3010 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3011 pentium4*) echo -xtarget=pentium4 ;;
3012 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3013 *-sse3) echo -xarch=sse3 ;;
3014 core2) echo -xarch=ssse3 -xchip=core2 ;;
3015 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
3016 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
3017 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
3018 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3019 k8|opteron|athlon64|athlon-fx)
3020 echo -xarch=sse2a ;;
3021 athlon*) echo -xarch=pentium_proa ;;
3022 esac
3023 ;;
3024 -std=c99) echo -xc99 ;;
3025 -fomit-frame-pointer) echo -xregs=frameptr ;;
3026 -fPIC) echo -KPIC -xcode=pic32 ;;
3027 -W*,*) echo $flag ;;
3028 -f*-*|-W*|-mimpure-text) ;;
3029 -shared) echo -G ;;
3030 *) echo $flag ;;
3031 esac
3032 done
3033 }
3034
3035 tms470_flags(){
3036 for flag; do
3037 case $flag in
3038 -march=*|-mcpu=*)
3039 case "${flag#*=}" in
3040 armv7-a|cortex-a*) echo -mv=7a8 ;;
3041 armv7-r|cortex-r*) echo -mv=7r4 ;;
3042 armv7-m|cortex-m*) echo -mv=7m3 ;;
3043 armv6*|arm11*) echo -mv=6 ;;
3044 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3045 echo -mv=5e ;;
3046 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3047 esac
3048 ;;
3049 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3050 -mfpu=vfp) echo --float_support=vfpv2 ;;
3051 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3052 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3053 -msoft-float) echo --float_support=vfplib ;;
3054 -O[0-3]|-mf=*) echo $flag ;;
3055 -g) echo -g -mn ;;
3056 -pds=*) echo $flag ;;
3057 -D*|-I*) echo $flag ;;
3058 --gcc|--abi=*) echo $flag ;;
3059 -me) echo $flag ;;
3060 esac
3061 done
3062 }
3063
3064 probe_cc(){
3065 pfx=$1
3066 _cc=$2
3067
3068 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3069 unset _ld_o _ldflags _ld_lib _ld_path
3070 unset _depflags _DEPCMD _DEPFLAGS
3071 _flags_filter=echo
3072
3073 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3074 _type=llvm_gcc
3075 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3076 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3077 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3078 _cflags_speed='-O3'
3079 _cflags_size='-Os'
3080 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3081 _type=gcc
3082 gcc_version=$($_cc --version | head -n1)
3083 gcc_basever=$($_cc -dumpversion)
3084 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3085 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3086 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3087 if ! $_cc -dumpversion | grep -q '^2\.'; then
3088 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3089 fi
3090 _cflags_speed='-O3'
3091 _cflags_size='-Os'
3092 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3093 _type=icc
3094 _ident=$($_cc --version | head -n1)
3095 _depflags='-MMD'
3096 _cflags_speed='-O3'
3097 _cflags_size='-Os'
3098 _cflags_noopt='-O1'
3099 elif $_cc -v 2>&1 | grep -q xlc; then
3100 _type=xlc
3101 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3102 _cflags_speed='-O5'
3103 _cflags_size='-O5 -qcompact'
3104 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3105 _type=ccc
3106 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3107 _DEPFLAGS='-M'
3108 _cflags_speed='-fast'
3109 _cflags_size='-O1'
3110 _flags_filter=ccc_flags
3111 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3112 test -d "$sysroot" || die "No valid sysroot specified."
3113 _type=armcc
3114 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3115 armcc_conf="$PWD/armcc.conf"
3116 $_cc --arm_linux_configure \
3117 --arm_linux_config_file="$armcc_conf" \
3118 --configure_sysroot="$sysroot" \
3119 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3120 die "Error creating armcc configuration file."
3121 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3122 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3123 as_default="${cross_prefix}gcc"
3124 _depflags='-MMD'
3125 _cflags_speed='-O3'
3126 _cflags_size='-Os'
3127 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3128 _type=tms470
3129 _ident=$($_cc -version | head -n1 | tr -s ' ')
3130 _flags='--gcc --abi=eabi -me'
3131 _cc_e='-ppl -fe=$@'
3132 _cc_o='-fe=$@'
3133 _depflags='-ppa -ppd=$(@:.o=.d)'
3134 _cflags_speed='-O3 -mf=5'
3135 _cflags_size='-O3 -mf=2'
3136 _flags_filter=tms470_flags
3137 elif $_cc -v 2>&1 | grep -q clang; then
3138 _type=clang
3139 _ident=$($_cc --version 2>/dev/null | head -n1)
3140 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3141 _cflags_speed='-O3'
3142 _cflags_size='-Os'
3143 elif $_cc -V 2>&1 | grep -q Sun; then
3144 _type=suncc
3145 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3146 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3147 _DEPFLAGS='-xM1 -xc99'
3148 _ldflags='-std=c99'
3149 _cflags_speed='-O5'
3150 _cflags_size='-O5 -xspace'
3151 _flags_filter=suncc_flags
3152 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3153 _type=pathscale
3154 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3155 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3156 _cflags_speed='-O2'
3157 _cflags_size='-Os'
3158 _flags_filter='filter_out -Wdisabled-optimization'
3159 elif $_cc -v 2>&1 | grep -q Open64; then
3160 _type=open64
3161 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3162 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3163 _cflags_speed='-O2'
3164 _cflags_size='-Os'
3165 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3166 elif $_cc -V 2>&1 | grep -q Portland; then
3167 _type=pgi
3168 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3169 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3170 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3171 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3172 _cflags_noopt="-O1"
3173 _flags_filter=pgi_flags
3174 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3175 _type=armasm
3176 _ident=$($_cc | head -n1)
3177 # 4509: "This form of conditional instruction is deprecated"
3178 _flags="-nologo -ignore 4509"
3179 _flags_filter=armasm_flags
3180 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3181 _type=msvc
3182 _ident=$($_cc 2>&1 | head -n1)
3183 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3184 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3185 _cflags_speed="-O2"
3186 _cflags_size="-O1"
3187 if $_cc -nologo- 2>&1 | grep -q Linker; then
3188 _ld_o='-out:$@'
3189 else
3190 _ld_o='-Fe$@'
3191 fi
3192 _cc_o='-Fo$@'
3193 _cc_e='-P -Fi$@'
3194 _flags_filter=msvc_flags
3195 _ld_lib='lib%.a'
3196 _ld_path='-libpath:'
3197 _flags='-nologo'
3198 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS'
3199 elif $_cc 2>&1 | grep -q Intel; then
3200 _type=icl
3201 _ident=$($_cc 2>&1 | head -n1)
3202 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3203 # Not only is O3 broken on 13.x+ but it is slower on all previous
3204 # versions (tested) as well.
3205 _cflags_speed="-O2"
3206 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3207 if $_cc 2>&1 | grep -q Linker; then
3208 _ld_o='-out:$@'
3209 else
3210 _ld_o='-Fe$@'
3211 fi
3212 _cc_o='-Fo$@'
3213 _cc_e='-P'
3214 _flags_filter=icl_flags
3215 _ld_lib='lib%.a'
3216 _ld_path='-libpath:'
3217 # -Qdiag-error to make icl error when seeing certain unknown arguments
3218 _flags='-nologo -Qdiag-error:4044,10157'
3219 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3220 # with MSVC which enables it by default.
3221 _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS'
3222 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3223 _type=cparser
3224 _ident=$($_cc --version | head -n1)
3225 _depflags='-MMD'
3226 _cflags_speed='-O4'
3227 _cflags_size='-O2'
3228 _flags_filter=cparser_flags
3229 fi
3230
3231 eval ${pfx}_type=\$_type
3232 eval ${pfx}_ident=\$_ident
3233 }
3234
3235 set_ccvars(){
3236 eval ${1}_C=\${_cc_c-\${${1}_C}}
3237 eval ${1}_E=\${_cc_e-\${${1}_E}}
3238 eval ${1}_O=\${_cc_o-\${${1}_O}}
3239
3240 if [ -n "$_depflags" ]; then
3241 eval ${1}_DEPFLAGS=\$_depflags
3242 else
3243 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3244 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3245 eval DEP${1}FLAGS=\$_flags
3246 fi
3247 }
3248
3249 probe_cc cc "$cc"
3250 cflags_filter=$_flags_filter
3251 cflags_speed=$_cflags_speed
3252 cflags_size=$_cflags_size
3253 cflags_noopt=$_cflags_noopt
3254 add_cflags $_flags $_cflags
3255 cc_ldflags=$_ldflags
3256 set_ccvars CC
3257
3258 probe_cc hostcc "$host_cc"
3259 host_cflags_filter=$_flags_filter
3260 add_host_cflags $_flags $_cflags
3261 set_ccvars HOSTCC
3262
3263 test -n "$cc_type" && enable $cc_type ||
3264 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3265
3266 : ${as_default:=$cc}
3267 : ${objcc_default:=$cc}
3268 : ${dep_cc_default:=$cc}
3269 : ${ld_default:=$cc}
3270 : ${host_ld_default:=$host_cc}
3271 set_default ar as objcc dep_cc ld host_ld
3272
3273 probe_cc as "$as"
3274 asflags_filter=$_flags_filter
3275 add_asflags $_flags $_cflags
3276 set_ccvars AS
3277
3278 probe_cc objcc "$objcc"
3279 objcflags_filter=$_flags_filter
3280 add_objcflags $_flags $_cflags
3281 set_ccvars OBJC
3282
3283 probe_cc ld "$ld"
3284 ldflags_filter=$_flags_filter
3285 add_ldflags $_flags $_ldflags
3286 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3287 LD_O=${_ld_o-$LD_O}
3288 LD_LIB=${_ld_lib-$LD_LIB}
3289 LD_PATH=${_ld_path-$LD_PATH}
3290
3291 probe_cc hostld "$host_ld"
3292 host_ldflags_filter=$_flags_filter
3293 add_host_ldflags $_flags $_ldflags
3294 HOSTLD_O=${_ld_o-$HOSTLD_O}
3295
3296 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3297 probe_cc depcc "$dep_cc"
3298 CCDEP=${_DEPCMD:-$DEPCMD}
3299 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3300 DEPCCFLAGS=$_flags
3301 fi
3302
3303 if $ar 2>&1 | grep -q Microsoft; then
3304 arflags="-nologo"
3305 ar_o='-out:$@'
3306 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3307 arflags="rq"
3308 ar_o='$@'
3309 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3310 arflags='-Xany -r -c'
3311 ar_o='$@'
3312 else
3313 arflags="rc"
3314 ar_o='$@'
3315 fi
3316
3317 add_cflags $extra_cflags
3318 add_objcflags $extra_objcflags
3319 add_asflags $extra_cflags
3320
3321 if test -n "$sysroot"; then
3322 case "$cc_type" in
3323 gcc|llvm_gcc|clang)
3324 add_cppflags --sysroot="$sysroot"
3325 add_ldflags --sysroot="$sysroot"
3326 ;;
3327 tms470)
3328 add_cppflags -I"$sysinclude"
3329 add_ldflags --sysroot="$sysroot"
3330 ;;
3331 esac
3332 fi
3333
3334 if test "$cpu" = host; then
3335 enabled cross_compile &&
3336 die "--cpu=host makes no sense when cross-compiling."
3337
3338 case "$cc_type" in
3339 gcc|llvm_gcc)
3340 check_native(){
3341 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3342 sed -n "/cc1.*$1=/{
3343 s/.*$1=\\([^ ]*\\).*/\\1/
3344 p
3345 q
3346 }" $TMPE
3347 }
3348 cpu=$(check_native -march || check_native -mcpu)
3349 ;;
3350 esac
3351
3352 test "${cpu:-host}" = host &&
3353 die "--cpu=host not supported with compiler $cc"
3354 fi
3355
3356 # Deal with common $arch aliases
3357 case "$arch" in
3358 aarch64|arm64)
3359 arch="aarch64"
3360 ;;
3361 arm*)
3362 arch="arm"
3363 ;;
3364 mips*|IP*)
3365 case "$arch" in
3366 *el)
3367 add_cppflags -EL
3368 add_ldflags -EL
3369 ;;
3370 *eb)
3371 add_cppflags -EB
3372 add_ldflags -EB
3373 ;;
3374 esac
3375 arch="mips"
3376 ;;
3377 parisc*|hppa*)
3378 arch="parisc"
3379 ;;
3380 "Power Macintosh"|ppc*|powerpc*)
3381 arch="ppc"
3382 ;;
3383 s390|s390x)
3384 arch="s390"
3385 ;;
3386 sh4|sh)
3387 arch="sh4"
3388 ;;
3389 sun4u|sparc*)
3390 arch="sparc"
3391 ;;
3392 tilegx|tile-gx)
3393 arch="tilegx"
3394 ;;
3395 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3396 arch="x86"
3397 ;;
3398 esac
3399
3400 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3401 enable $arch
3402
3403 # Add processor-specific flags
3404 if enabled aarch64; then
3405
3406 case $cpu in
3407 armv*)
3408 cpuflags="-march=$cpu"
3409 ;;
3410 *)
3411 cpuflags="-mcpu=$cpu"
3412 ;;
3413 esac
3414
3415 elif enabled alpha; then
3416
3417 cpuflags="-mcpu=$cpu"
3418
3419 elif enabled arm; then
3420
3421 check_arm_arch() {
3422 check_cpp_condition stddef.h \
3423 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3424 $cpuflags
3425 }
3426
3427 probe_arm_arch() {
3428 if check_arm_arch 4; then echo armv4;
3429 elif check_arm_arch 4T; then echo armv4t;
3430 elif check_arm_arch 5; then echo armv5;
3431 elif check_arm_arch 5E; then echo armv5e;
3432 elif check_arm_arch 5T; then echo armv5t;
3433 elif check_arm_arch 5TE; then echo armv5te;
3434 elif check_arm_arch 5TEJ; then echo armv5te;
3435 elif check_arm_arch 6; then echo armv6;
3436 elif check_arm_arch 6J; then echo armv6j;
3437 elif check_arm_arch 6K; then echo armv6k;
3438 elif check_arm_arch 6Z; then echo armv6z;
3439 elif check_arm_arch 6ZK; then echo armv6zk;
3440 elif check_arm_arch 6T2; then echo armv6t2;
3441 elif check_arm_arch 7; then echo armv7;
3442 elif check_arm_arch 7A 7_A; then echo armv7-a;
3443 elif check_arm_arch 7S; then echo armv7-a;
3444 elif check_arm_arch 7R 7_R; then echo armv7-r;
3445 elif check_arm_arch 7M 7_M; then echo armv7-m;
3446 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3447 elif check_arm_arch 8A 8_A; then echo armv8-a;
3448 fi
3449 }
3450
3451 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3452
3453 case $cpu in
3454 armv*)
3455 cpuflags="-march=$cpu"
3456 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3457 ;;
3458 *)
3459 cpuflags="-mcpu=$cpu"
3460 case $cpu in
3461 cortex-a*) subarch=armv7a ;;
3462 cortex-r*) subarch=armv7r ;;
3463 cortex-m*) enable thumb; subarch=armv7m ;;
3464 arm11*) subarch=armv6 ;;
3465 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3466 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3467 *) subarch=$(probe_arm_arch) ;;
3468 esac
3469 ;;
3470 esac
3471
3472 case "$subarch" in
3473 armv5t*) enable fast_clz ;;
3474 armv[6-8]*) enable fast_clz fast_unaligned ;;
3475 esac
3476
3477 elif enabled avr32; then
3478
3479 case $cpu in
3480 ap7[02]0[0-2])
3481 subarch="avr32_ap"
3482 cpuflags="-mpart=$cpu"
3483 ;;
3484 ap)
3485 subarch="avr32_ap"
3486 cpuflags="-march=$cpu"
3487 ;;
3488 uc3[ab]*)
3489 subarch="avr32_uc"
3490 cpuflags="-mcpu=$cpu"
3491 ;;
3492 uc)
3493 subarch="avr32_uc"
3494 cpuflags="-march=$cpu"
3495 ;;
3496 esac
3497
3498 elif enabled bfin; then
3499
3500 cpuflags="-mcpu=$cpu"
3501
3502 elif enabled mips; then
3503
3504 cpuflags="-march=$cpu"
3505
3506 elif enabled ppc; then
3507
3508 disable ldbrx
3509
3510 case $(tolower $cpu) in
3511 601|ppc601|powerpc601)
3512 cpuflags="-mcpu=601"
3513 disable altivec
3514 ;;
3515 603*|ppc603*|powerpc603*)
3516 cpuflags="-mcpu=603"
3517 disable altivec
3518 ;;
3519 604*|ppc604*|powerpc604*)
3520 cpuflags="-mcpu=604"
3521 disable altivec
3522 ;;
3523 g3|75*|ppc75*|powerpc75*)
3524 cpuflags="-mcpu=750"
3525 disable altivec
3526 ;;
3527 g4|745*|ppc745*|powerpc745*)
3528 cpuflags="-mcpu=7450"
3529 disable vsx
3530 ;;
3531 74*|ppc74*|powerpc74*)
3532 cpuflags="-mcpu=7400"
3533 disable vsx
3534 ;;
3535 g5|970|ppc970|powerpc970)
3536 cpuflags="-mcpu=970"
3537 disable vsx
3538 ;;
3539 power[3-6]*)
3540 cpuflags="-mcpu=$cpu"
3541 disable vsx
3542 ;;
3543 power[7-8]*)
3544 cpuflags="-mcpu=$cpu"
3545 enable ldbrx
3546 ;;
3547 cell)
3548 cpuflags="-mcpu=cell"
3549 enable ldbrx
3550 disable vsx
3551 ;;
3552 e500mc)
3553 cpuflags="-mcpu=e500mc"
3554 disable altivec
3555 ;;
3556 e500v2)
3557 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3558 disable altivec
3559 disable dcbzl
3560 ;;
3561 e500)
3562 cpuflags="-mcpu=8540 -mhard-float"
3563 disable altivec
3564 disable dcbzl
3565 ;;
3566 esac
3567
3568 elif enabled sparc; then
3569
3570 case $cpu in
3571 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3572 cpuflags="-mcpu=$cpu"
3573 ;;
3574 ultrasparc*|niagara[234])
3575 cpuflags="-mcpu=$cpu"
3576 ;;
3577 esac
3578
3579 elif enabled x86; then
3580
3581 case $cpu in
3582 i[345]86|pentium)
3583 cpuflags="-march=$cpu"
3584 disable i686
3585 disable mmx
3586 ;;
3587 # targets that do NOT support nopl and conditional mov (cmov)
3588 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3589 cpuflags="-march=$cpu"
3590 disable i686
3591 ;;
3592 # targets that do support nopl and conditional mov (cmov)
3593 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3594 cpuflags="-march=$cpu"
3595 enable i686
3596 enable fast_cmov
3597 ;;
3598 # targets that do support conditional mov but on which it's slow
3599 pentium4|pentium4m|prescott|nocona)
3600 cpuflags="-march=$cpu"
3601 enable i686
3602 disable fast_cmov
3603 ;;
3604 esac
3605
3606 fi
3607
3608 if [ "$cpu" != generic ]; then
3609 add_cflags $cpuflags
3610 add_asflags $cpuflags
3611 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
3612 fi
3613
3614 # compiler sanity check
3615 check_exec <<EOF
3616 int main(void){ return 0; }
3617 EOF
3618 if test "$?" != 0; then
3619 echo "$cc is unable to create an executable file."
3620 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3621 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3622 echo "Only do this if you know what cross compiling means."
3623 fi
3624 die "C compiler test failed."
3625 fi
3626
3627 add_cppflags -D_ISOC99_SOURCE
3628 check_cflags -std=c99
3629 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3630 #include <stdlib.h>
3631 EOF
3632 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3633 #include <stdlib.h>
3634 EOF
3635
3636 add_host_cppflags -D_ISOC99_SOURCE
3637 check_host_cflags -std=c99
3638 check_host_cflags -Wall
3639 check_host_cflags -O3
3640
3641 check_64bit(){
3642 arch32=$1
3643 arch64=$2
3644 expr=$3
3645 check_code cc "" "int test[2*($expr) - 1]" &&
3646 subarch=$arch64 || subarch=$arch32
3647 }
3648
3649 case "$arch" in
3650 aarch64|alpha|ia64)
3651 spic=$shared
3652 ;;
3653 mips)
3654 check_64bit mips mips64 '_MIPS_SIM > 1'
3655 spic=$shared
3656 ;;
3657 parisc)
3658 check_64bit parisc parisc64 'sizeof(void *) > 4'
3659 spic=$shared
3660 ;;
3661 ppc)
3662 check_64bit ppc ppc64 'sizeof(void *) > 4'
3663 spic=$shared
3664 ;;
3665 s390)
3666 check_64bit s390 s390x 'sizeof(void *) > 4'
3667 spic=$shared
3668 ;;
3669 sparc)
3670 check_64bit sparc sparc64 'sizeof(void *) > 4'
3671 spic=$shared
3672 ;;
3673 x86)
3674 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3675 if test "$subarch" = "x86_64"; then
3676 spic=$shared
3677 fi
3678 ;;
3679 esac
3680
3681 enable $subarch
3682 enabled spic && enable_weak pic
3683
3684 # OS specific
3685 case $target_os in
3686 aix)
3687 SHFLAGS=-shared
3688 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3689 enabled shared && add_ldflags -Wl,-brtl
3690 ;;
3691 android)
3692 disable symver
3693 enable section_data_rel_ro
3694 SLIB_INSTALL_NAME='$(SLIBNAME)'
3695 SLIB_INSTALL_LINKS=
3696 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
3697 ;;
3698 haiku)
3699 prefix_default="/boot/common"
3700 network_extralibs="-lnetwork"
3701 host_libs=
3702 ;;
3703 sunos)
3704 SHFLAGS='-shared -Wl,-h,$$(@F)'
3705 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3706 network_extralibs="-lsocket -lnsl"
3707 # When using suncc to build, the Solaris linker will mark
3708 # an executable with each instruction set encountered by
3709 # the Solaris assembler. As our libraries contain their own
3710 # guards for processor-specific code, instead suppress
3711 # generation of the HWCAPS ELF section on Solaris x86 only.
3712 enabled_all suncc x86 &&
3713 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3714 add_ldflags -Wl,-M,mapfile
3715 nm_default='nm -P -g'
3716 SLIB_CREATE_DEF_CMD='$(Q)perl $(SRC_PATH)/compat/solaris/make_sunver.pl $$(filter %.ver,$$^) $(OBJS) | grep -v @ > $(SUBDIR)lib$(NAME).ver-sol2'
3717 ;;
3718 netbsd)
3719 disable symver
3720 oss_indev_extralibs="-lossaudio"
3721 oss_outdev_extralibs="-lossaudio"
3722 ;;
3723 openbsd|bitrig)
3724 disable symver
3725 SHFLAGS='-shared'
3726 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3727 SLIB_INSTALL_LINKS=
3728 oss_indev_extralibs="-lossaudio"
3729 oss_outdev_extralibs="-lossaudio"
3730 ;;
3731 dragonfly)
3732 disable symver
3733 ;;
3734 freebsd)
3735 ;;
3736 bsd/os)
3737 add_extralibs -lpoll -lgnugetopt
3738 ;;
3739 darwin)
3740 enabled ppc && add_asflags -force_cpusubtype_ALL
3741 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3742 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3743 add_ldflags -Wl,-dynamic,-search_paths_first
3744 SLIBSUF=".dylib"
3745 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3746 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3747 objformat="macho"
3748 enabled x86_64 && objformat="macho64"
3749 enabled_any pic shared ||
3750 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3751 ;;
3752 msys*)
3753 die "Native MSYS builds are discouraged, please use the MINGW environment.";
3754 ;;
3755 mingw32*|mingw64*)
3756 if test $target_os = "mingw32ce"; then
3757 disable network
3758 else
3759 target_os=mingw32
3760 fi
3761 LIBTARGET=i386
3762 if enabled x86_64; then
3763 LIBTARGET="i386:x86-64"
3764 elif enabled arm; then
3765 LIBTARGET=arm-wince
3766 fi
3767 check_ldflags -Wl,--nxcompat
3768 check_ldflags -Wl,--dynamicbase
3769 shlibdir_default="$bindir_default"
3770 SLIBPREF=""
3771 SLIBSUF=".dll"
3772 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3773 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3774 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3775 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3776 SLIB_INSTALL_LINKS=
3777 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3778 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3779 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3780 objformat="win32"
3781 dlltool="${cross_prefix}dlltool"
3782 ranlib=:
3783 enable dos_paths
3784 ;;
3785 win32|win64)
3786 disable symver
3787 if enabled shared; then
3788 # Link to the import library instead of the normal static library
3789 # for shared libs.
3790 LD_LIB='%.lib'
3791 # Cannot build both shared and static libs with MSVC or icl.
3792 disable static
3793 fi
3794 shlibdir_default="$bindir_default"
3795 SLIBPREF=""
3796 SLIBSUF=".dll"
3797 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3798 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3799 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3800 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3801 SLIB_INSTALL_LINKS=
3802 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3803 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3804 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3805 objformat="win32"
3806 ranlib=:
3807 enable dos_paths
3808 ;;
3809 cygwin*)
3810 target_os=cygwin
3811 shlibdir_default="$bindir_default"
3812 SLIBPREF="cyg"
3813 SLIBSUF=".dll"
3814 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3815 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3816 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3817 SLIB_INSTALL_LINKS=
3818 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3819 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3820 objformat="win32"
3821 enable dos_paths
3822 ;;
3823 *-dos|freedos|opendos)
3824 network_extralibs="-lsocket"
3825 objformat="coff"
3826 enable dos_paths
3827 add_cppflags -U__STRICT_ANSI__
3828 ;;
3829 linux)
3830 enable dv1394
3831 enable section_data_rel_ro
3832 ;;
3833 irix*)
3834 target_os=irix
3835 ranlib="echo ignoring ranlib"
3836 ;;
3837 os/2*)
3838 ln_s="cp -f"
3839 objformat="aout"
3840 add_cppflags -D_GNU_SOURCE
3841 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3842 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3843 LIBSUF="_s.a"
3844 SLIBPREF=""
3845 SLIBSUF=".dll"
3846 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3847 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3848 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3849 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3850 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3851 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3852 emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'
3853 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3854 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3855 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3856 enable dos_paths
3857 ;;
3858 gnu/kfreebsd)
3859 add_cppflags -D_BSD_SOURCE
3860 ;;
3861 gnu)
3862 ;;
3863 qnx)
3864 add_cppflags -D_QNX_SOURCE
3865 network_extralibs="-lsocket"
3866 ;;
3867 symbian)
3868 SLIBSUF=".dll"
3869 enable dos_paths
3870 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3871 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3872 add_ldflags -Wl,--target1-abs,--no-undefined \
3873 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3874 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3875 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3876 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3877 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3878 ;;
3879 osf1)
3880 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3881 ;;
3882 minix)
3883 ;;
3884 plan9)
3885 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3886 -D_REENTRANT_SOURCE \
3887 -D_RESEARCH_SOURCE \
3888 -DFD_SETSIZE=96 \
3889 -DHAVE_SOCK_OPTS
3890 add_compat strtod.o strtod=avpriv_strtod
3891 network_extralibs='-lbsd'
3892 exeobjs=compat/plan9/main.o
3893 cp_f='cp'
3894 ;;
3895 none)
3896 ;;
3897 *)
3898 die "Unknown OS '$target_os'."
3899 ;;
3900 esac
3901
3902 # determine libc flavour
3903
3904 probe_libc(){
3905 pfx=$1
3906 pfx_no_=${pfx%_}
3907 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3908 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
3909 eval ${pfx}libc_type=uclibc
3910 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3911 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
3912 eval ${pfx}libc_type=glibc
3913 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3914 # MinGW headers can be installed on Cygwin, so check for newlib first.
3915 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3916 eval ${pfx}libc_type=newlib
3917 add_${pfx}cppflags -U__STRICT_ANSI__
3918 # MinGW64 is backwards compatible with MinGW32, so check for it first.
3919 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
3920 eval ${pfx}libc_type=mingw64
3921 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3922 eval test \$${pfx_no_}cc_type = "gcc" &&
3923 add_${pfx}cppflags -D__printf__=__gnu_printf__
3924 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
3925 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
3926 eval ${pfx}libc_type=mingw32
3927 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
3928 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3929 die "ERROR: MinGW32 runtime version must be >= 3.15."
3930 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3931 eval test \$${pfx_no_}cc_type = "gcc" &&
3932 add_${pfx}cppflags -D__printf__=__gnu_printf__
3933 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
3934 eval ${pfx}libc_type=msvcrt
3935 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
3936 if [ "$pfx" = host_ ]; then
3937 add_host_cppflags -Dsnprintf=_snprintf
3938 else
3939 add_compat strtod.o strtod=avpriv_strtod
3940 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3941 _snprintf=avpriv_snprintf \
3942 vsnprintf=avpriv_vsnprintf
3943 fi
3944 fi
3945 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3946 # 0x601 by default unless something else is set by the user.
3947 # This can easily lead to us detecting functions only present
3948 # in such new versions and producing binaries requiring windows 7.0.
3949 # Therefore explicitly set the default to XP unless the user has
3950 # set something else on the command line.
3951 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
3952 # family. For these cases, configure is free to use any functions
3953 # found in the SDK headers by default. (Alternatively, we could force
3954 # _WIN32_WINNT to 0x0602 in that case.)
3955 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
3956 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }
3957 #ifdef WINAPI_FAMILY
3958 #include <winapifamily.h>
3959 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
3960 #error not desktop
3961 #endif
3962 #endif
3963 EOF
3964 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
3965 eval ${pfx}libc_type=klibc
3966 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3967 eval ${pfx}libc_type=bionic
3968 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
3969 eval ${pfx}libc_type=solaris
3970 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3971 else
3972 eval ${pfx}libc_type=default
3973 add_${pfx}cppflags -D_DEFAULT_SOURCE
3974 fi
3975 }
3976
3977 probe_libc
3978 test -n "$libc_type" && enable libc_$libc_type
3979 probe_libc host_
3980 test -n "$host_libc_type" && enable host_libc_$host_libc_type
3981
3982 case $libc_type in
3983 bionic)
3984 add_compat strtod.o strtod=avpriv_strtod
3985 ;;
3986 esac
3987
3988 # hacks for compiler/libc/os combinations
3989
3990 if enabled_all tms470 libc_glibc; then
3991 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3992 add_cppflags -D__USER_LABEL_PREFIX__=
3993 add_cppflags -D__builtin_memset=memset
3994 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3995 add_cflags -pds=48 # incompatible redefinition of macro
3996 fi
3997
3998 if enabled_all ccc libc_glibc; then
3999 add_ldflags -Wl,-z,now # calls to libots crash without this
4000 fi
4001
4002 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4003 add_cppflags '-I\$(SRC_PATH)/compat/float'
4004
4005 esc(){
4006 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4007 }
4008
4009 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
4010
4011 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4012
4013 set_default $PATHS_LIST
4014 set_default nm
4015
4016 # we need to build at least one lib type
4017 if ! enabled_any static shared; then
4018 cat <<EOF
4019 At least one library type must be built.
4020 Specify --enable-static to build the static libraries or --enable-shared to
4021 build the shared libraries as well. To only build the shared libraries specify
4022 --disable-static in addition to --enable-shared.
4023 EOF
4024 exit 1;
4025 fi
4026
4027 die_license_disabled() {
4028 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
4029 }
4030
4031 die_license_disabled gpl libcdio
4032 die_license_disabled gpl libx264
4033 die_license_disabled gpl libx265
4034 die_license_disabled gpl libxavs
4035 die_license_disabled gpl libxvid
4036 die_license_disabled gpl x11grab
4037
4038 die_license_disabled nonfree libfaac
4039 die_license_disabled nonfree libfdk_aac
4040 die_license_disabled nonfree nvenc
4041 die_license_disabled nonfree openssl
4042
4043 die_license_disabled version3 libopencore_amrnb
4044 die_license_disabled version3 libopencore_amrwb
4045 die_license_disabled version3 libvo_aacenc
4046 die_license_disabled version3 libvo_amrwbenc
4047
4048 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4049
4050 disabled optimizations || check_cflags -fomit-frame-pointer
4051
4052 enable_weak_pic() {
4053 disabled pic && return
4054 enable pic
4055 add_cppflags -DPIC
4056 case "$target_os" in
4057 mingw*|cygwin*)
4058 ;;
4059 *)
4060 add_cflags -fPIC
4061 ;;
4062 esac
4063 add_asflags -fPIC
4064 }
4065
4066 enabled pic && enable_weak_pic
4067
4068 check_cc <<EOF || die "Symbol mangling check failed."
4069 int ff_extern;
4070 EOF
4071 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4072 extern_prefix=${sym%%ff_extern*}
4073
4074 check_cc <<EOF && enable_weak inline_asm
4075 void foo(void) { __asm__ volatile ("" ::); }
4076 EOF
4077
4078 _restrict=
4079 for restrict_keyword in restrict __restrict__ __restrict; do
4080 check_cc <<EOF && _restrict=$restrict_keyword && break
4081 void foo(char * $restrict_keyword p);
4082 EOF
4083 done
4084
4085 check_cc <<EOF && enable pragma_deprecated
4086 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4087 EOF
4088
4089 check_cc <<EOF && enable attribute_packed
4090 struct { int x; } __attribute__((packed)) x;
4091 EOF
4092
4093 check_cc <<EOF && enable attribute_may_alias
4094 union { int x; } __attribute__((may_alias)) x;
4095 EOF
4096
4097 check_cc <<EOF || die "endian test failed"
4098 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4099 EOF
4100 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4101
4102 check_gas() {
4103 log "check_gas using '$as' as AS"
4104 # :vararg is used on aarch64, arm and ppc altivec
4105 check_as <<EOF || return 1
4106 .macro m n, y:vararg=0
4107 \n: .int \y
4108 .endm
4109 m x
4110 EOF
4111 # .altmacro is only used in arm asm
4112 ! enabled arm || check_as <<EOF || return 1
4113 .altmacro
4114 EOF
4115 enable gnu_as
4116 return 0
4117 }
4118
4119 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
4120 nogas=:
4121 enabled_any arm aarch64 && nogas=die
4122 enabled_all ppc altivec && nogas=warn
4123 as_noop=-v
4124
4125 case $as_type in
4126 arm*) gaspp_as_type=armasm; as_noop=-h ;;
4127 gcc) gaspp_as_type=gas ;;
4128 *) gaspp_as_type=$as_type ;;
4129 esac
4130
4131 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
4132
4133 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- $as $as_noop &&
4134 gas="gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- $as"
4135
4136 if ! check_gas ; then
4137 as=${gas:=$as}
4138 check_gas || \
4139 $nogas "GNU assembler not found, install/update gas-preprocessor"
4140 fi
4141
4142 check_as <<EOF && enable as_func
4143 .func test
4144 .endfunc
4145 EOF
4146 fi
4147
4148 check_inline_asm inline_asm_labels '"1:\n"'
4149
4150 if enabled aarch64; then
4151 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
4152 # internal assembler in clang 3.3 does not support this instruction
4153 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
4154 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
4155
4156 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4157
4158 elif enabled alpha; then
4159
4160 check_cflags -mieee
4161
4162 elif enabled arm; then
4163
4164 enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb
4165 check_cpp_condition stddef.h "defined __thumb__" && enable_weak thumb
4166 enabled thumb && check_cflags -mthumb || check_cflags -marm
4167
4168 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4169 enable vfp_args
4170 elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
4171 enable vfp_args
4172 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
4173 case "${cross_prefix:-$cc}" in
4174 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4175 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4176 __asm__ (".eabi_attribute 28, 1");
4177 int main(void) { return 0; }
4178 EOF
4179 esac
4180 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4181 fi
4182
4183 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4184 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4185 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4186 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4187 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4188 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4189
4190 [ $target_os = linux ] || [ $target_os = android ] ||
4191 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4192 $ARCH_EXT_LIST_ARM
4193
4194 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4195
4196 check_as <<EOF && enable as_dn_directive
4197 ra .dn d0.i16
4198 .unreq ra
4199 EOF
4200
4201 # llvm's integrated assembler supports .object_arch from llvm 3.5
4202 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
4203 .object_arch armv4
4204 EOF
4205
4206 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4207
4208 elif enabled mips; then
4209
4210 check_inline_asm loongson '"dmult.g $1, $2, $3"'
4211
4212 # make sure that only an instruction set is enabled
4213 disable mips64r6 mips32r6 mips64r2 mips32r2 mips64r1 mips32r1
4214
4215 if enabled mips64; then
4216 check_inline_asm mips64r6 '"dlsa $0, $0, $0, 1"' ||
4217 check_inline_asm mips64r2 '"dext $0, $0, 0, 1"' ||
4218 check_inline_asm mips64r1 '"daddi $0, $0, 0"'
4219 else
4220 check_inline_asm mips32r6 '"aui $0, $0, 0"' ||
4221 check_inline_asm mips32r2 '"ext $0, $0, 0, 1"' ||
4222 check_inline_asm mips32r1 '"addi $0, $0, 0"'
4223 fi
4224
4225 elif enabled parisc; then
4226
4227 if enabled gcc; then
4228 case $($cc -dumpversion) in
4229 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
4230 esac
4231 fi
4232
4233 elif enabled ppc; then
4234
4235 enable local_aligned_8 local_aligned_16
4236
4237 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4238 check_inline_asm ibm_asm '"add 0, 0, 0"'
4239 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4240 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4241
4242 # AltiVec flags: The FSF version of GCC differs from the Apple version
4243 if enabled altivec; then
4244 check_cflags -maltivec -mabi=altivec &&
4245 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4246 check_cflags -faltivec
4247
4248 # check if our compiler supports Motorola AltiVec C API
4249 check_cc <<EOF || disable altivec
4250 $inc_altivec_h
4251 int main(void) {
4252 vector signed int v1 = (vector signed int) { 0 };
4253 vector signed int v2 = (vector signed int) { 1 };
4254 v1 = vec_add(v1, v2);
4255 return 0;
4256 }
4257 EOF
4258
4259 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4260 fi
4261
4262 if enabled vsx; then
4263 check_cflags -mvsx &&
4264 check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx
4265 fi
4266
4267 if enabled power8; then
4268 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
4269 fi
4270
4271 elif enabled x86; then
4272
4273 check_builtin rdtsc intrin.h "__rdtsc()"
4274 check_builtin mm_empty mmintrin.h "_mm_empty()"
4275
4276 enable local_aligned_8 local_aligned_16
4277
4278 # check whether EBP is available on x86
4279 # As 'i' is stored on the stack, this program will crash
4280 # if the base pointer is used to access it because the
4281 # base pointer is cleared in the inline assembly code.
4282 check_exec_crash <<EOF && enable ebp_available
4283 volatile int i=0;
4284 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4285 return i;
4286 EOF
4287
4288 # check whether EBX is available on x86
4289 check_inline_asm ebx_available '""::"b"(0)' &&
4290 check_inline_asm ebx_available '"":::"%ebx"'
4291
4292 # check whether xmm clobbers are supported
4293 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4294
4295 # check whether binutils is new enough to compile SSSE3/MMXEXT
4296 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4297 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4298
4299 if ! disabled_any asm mmx yasm; then
4300 if check_cmd $yasmexe --version; then
4301 enabled x86_64 && yasm_extra="-m amd64"
4302 yasm_debug="-g dwarf2"
4303 elif check_cmd nasm -v; then
4304 yasmexe=nasm
4305 yasm_debug="-g -F dwarf"
4306 enabled x86_64 && test "$objformat" = elf && objformat=elf64
4307 fi
4308
4309 YASMFLAGS="-f $objformat $yasm_extra"
4310 enabled pic && append YASMFLAGS "-DPIC"
4311 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4312 case "$objformat" in
4313 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4314 esac
4315
4316 check_yasm "movbe ecx, [5]" && enable yasm ||
4317 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4318 check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
4319 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
4320 check_yasm "vfmadd132ps ymm0, ymm1, ymm2" || disable fma3_external
4321 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4322 check_yasm "CPU amdnop" || disable cpunop
4323 fi
4324
4325 case "$cpu" in
4326 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4327 disable fast_clz
4328 ;;
4329 esac
4330
4331 fi
4332
4333 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
4334
4335 check_ldflags -Wl,--as-needed
4336
4337 if check_func dlopen; then
4338 ldl=
4339 elif check_func dlopen -ldl; then
4340 ldl=-ldl
4341 fi
4342
4343 if ! disabled network; then
4344 check_func getaddrinfo $network_extralibs
4345 check_func inet_aton $network_extralibs
4346
4347 check_type netdb.h "struct addrinfo"
4348 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4349 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4350 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4351 check_type poll.h "struct pollfd"
4352 check_type netinet/sctp.h "struct sctp_event_subscribe"
4353 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4354 check_type netinet/in.h "struct sockaddr_in6"
4355 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4356 check_type "sys/types.h sys/socket.h" socklen_t
4357
4358 # Prefer arpa/inet.h over winsock2
4359 if check_header arpa/inet.h ; then
4360 check_func closesocket
4361 elif check_header winsock2.h ; then
4362 check_func_headers winsock2.h closesocket -lws2 &&
4363 network_extralibs="-lws2" ||
4364 { check_func_headers winsock2.h closesocket -lws2_32 &&
4365 network_extralibs="-lws2_32"; } || disable winsock2_h network
4366 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4367
4368 check_type ws2tcpip.h socklen_t
4369 check_type ws2tcpip.h "struct addrinfo"
4370 check_type ws2tcpip.h "struct group_source_req"
4371 check_type ws2tcpip.h "struct ip_mreq_source"
4372 check_type ws2tcpip.h "struct ipv6_mreq"
4373 check_type winsock2.h "struct pollfd"
4374 check_struct winsock2.h "struct sockaddr" sa_len
4375 check_type ws2tcpip.h "struct sockaddr_in6"
4376 check_type ws2tcpip.h "struct sockaddr_storage"
4377 else
4378 disable network
4379 fi
4380 fi
4381
4382 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4383 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4384 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4385 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4386
4387 case "$custom_allocator" in
4388 jemalloc)
4389 # jemalloc by default does not use a prefix
4390 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
4391 ;;
4392 tcmalloc)
4393 require_pkg_config libtcmalloc gperftools/tcmalloc.h tc_malloc
4394 malloc_prefix=tc_
4395 ;;
4396 esac
4397
4398 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4399 check_func ${malloc_prefix}memalign && enable memalign