d59f5e45acca613f00651c7dc0088ed8810c0df1
[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-libmfx enable HW acceleration through libmfx
195 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
196 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
197 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
198 --enable-libopencv enable video filtering via libopencv [no]
199 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
200 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
201 --enable-libopus enable Opus de/encoding via libopus [no]
202 --enable-libpulse enable Pulseaudio input via libpulse [no]
203 --enable-librtmp enable RTMP[E] support via librtmp [no]
204 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
205 --enable-libspeex enable Speex de/encoding via libspeex [no]
206 --enable-libtheora enable Theora encoding via libtheora [no]
207 --enable-libtwolame enable MP2 encoding via libtwolame [no]
208 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
209 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
210 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
211 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
212 --enable-libwavpack enable wavpack encoding via libwavpack [no]
213 --enable-libwebp enable WebP encoding via libwebp [no]
214 --enable-libx264 enable H.264 encoding via x264 [no]
215 --enable-libx265 enable HEVC encoding via x265 [no]
216 --enable-libxavs enable AVS encoding via xavs [no]
217 --enable-libxcb enable X11 grabbing using XCB [no]
218 --enable-libxcb-shm enable X11 grabbing shm communication [auto]
219 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [auto]
220 --enable-libxvid enable Xvid encoding via xvidcore,
221 native MPEG-4/Xvid encoder exists [no]
222 --enable-mmal enable decoding via MMAL [no]
223 --enable-openssl enable openssl [no]
224 --enable-x11grab enable X11 grabbing (legacy) [no]
225 --enable-zlib enable zlib [autodetect]
226
227 Toolchain options:
228 --arch=ARCH select architecture [$arch]
229 --cpu=CPU select the minimum required CPU (affects
230 instruction selection, may crash on older CPUs)
231 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
232 --enable-cross-compile assume a cross-compiler is used
233 --sysroot=PATH root of cross-build tree
234 --sysinclude=PATH location of cross-build system headers
235 --target-os=OS compiler targets OS [$target_os]
236 --target-exec=CMD command to run executables on target
237 --target-path=DIR path to view of build directory on target
238 --target-samples=DIR path to samples directory on target
239 --toolchain=NAME set tool defaults according to NAME
240 --nm=NM use nm tool
241 --ar=AR use archive tool AR [$ar_default]
242 --as=AS use assembler AS [$as_default]
243 --cc=CC use C compiler CC [$cc_default]
244 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
245 --ld=LD use linker LD
246 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
247 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
248 --host-cc=HOSTCC use host C compiler HOSTCC
249 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
250 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
251 --host-ld=HOSTLD use host linker HOSTLD
252 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
253 --host-libs=HLIBS use libs HLIBS when linking for host
254 --host-os=OS compiler host OS [$target_os]
255 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
256 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
257 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
258 --extra-libs=ELIBS add ELIBS [$ELIBS]
259 --extra-version=STRING version string suffix []
260 --optflags=OPTFLAGS override optimization-related compiler flags
261 --build-suffix=SUFFIX library name suffix []
262 --enable-pic build position-independent code
263 --enable-thumb compile for Thumb instruction set
264 --enable-lto use link-time optimization
265
266 Advanced options (experts only):
267 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
268 --disable-symver disable symbol versioning
269 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
270 --disable-safe-bitstream-reader
271 disable buffer boundary checking in bitreaders
272 (faster, but may crash)
273 --enable-memalign-hack emulate memalign, interferes with memory debuggers
274 --enable-sram allow use of on-chip SRAM
275
276 Optimization options (experts only):
277 --disable-asm disable all assembly optimizations
278 --disable-altivec disable AltiVec optimizations
279 --disable-vsx disable VSX optimizations
280 --disable-power8 disable POWER8 optimizations
281 --disable-amd3dnow disable 3DNow! optimizations
282 --disable-amd3dnowext disable 3DNow! extended optimizations
283 --disable-mmx disable MMX optimizations
284 --disable-mmxext disable MMXEXT optimizations
285 --disable-sse disable SSE optimizations
286 --disable-sse2 disable SSE2 optimizations
287 --disable-sse3 disable SSE3 optimizations
288 --disable-ssse3 disable SSSE3 optimizations
289 --disable-sse4 disable SSE4 optimizations
290 --disable-sse42 disable SSE4.2 optimizations
291 --disable-avx disable AVX optimizations
292 --disable-xop disable XOP optimizations
293 --disable-fma3 disable FMA3 optimizations
294 --disable-fma4 disable FMA4 optimizations
295 --disable-avx2 disable AVX2 optimizations
296 --disable-armv5te disable armv5te optimizations
297 --disable-armv6 disable armv6 optimizations
298 --disable-armv6t2 disable armv6t2 optimizations
299 --disable-vfp disable VFP optimizations
300 --disable-neon disable NEON optimizations
301 --disable-inline-asm disable use of inline assembly
302 --disable-yasm disable use of nasm/yasm assembly
303
304 Developer options (useful when working on Libav itself):
305 --disable-debug disable debugging symbols
306 --enable-debug=LEVEL set the debug level [$debuglevel]
307 --disable-optimizations disable compiler optimizations
308 --enable-extra-warnings enable more compiler warnings
309 --samples=PATH location of test samples for FATE, if not set use
310 \$LIBAV_SAMPLES at make invocation time.
311 --enable-neon-clobber-test check NEON registers for clobbering (should be
312 used only for debugging purposes)
313 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
314 should be used only for debugging purposes)
315 --enable-random randomly enable/disable components
316 --disable-random
317 --enable-random=LIST randomly enable/disable specific components or
318 --disable-random=LIST component groups. LIST is a comma-separated list
319 of NAME[:PROB] entries where NAME is a component
320 (group) and PROB the probability associated with
321 NAME (default 0.5).
322 --random-seed=VALUE seed value for --enable/disable-random
323 --disable-valgrind-backtrace do not print a backtrace under Valgrind
324 (only applies to --disable-optimizations builds)
325
326 NOTE: Object files are built at the place where configure is launched.
327 EOF
328 exit 0
329 }
330
331 quotes='""'
332
333 log(){
334 echo "$@" >> $logfile
335 }
336
337 log_file(){
338 log BEGIN $1
339 pr -n -t $1 >> $logfile
340 log END $1
341 }
342
343 echolog(){
344 log "$@"
345 echo "$@"
346 }
347
348 warn(){
349 log "WARNING: $*"
350 WARNINGS="${WARNINGS}WARNING: $*\n"
351 }
352
353 die(){
354 echolog "$@"
355 cat <<EOF
356
357 If you think configure made a mistake, make sure you are using the latest
358 version from Git. If the latest version fails, report the problem to the
359 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
360 EOF
361 if disabled logging; then
362 cat <<EOF
363 Rerun configure with logging enabled (do not use --disable-logging), and
364 include the log this produces with your report.
365 EOF
366 else
367 cat <<EOF
368 Include the log file "$logfile" produced by configure as this will help
369 solving the problem.
370 EOF
371 fi
372 exit 1
373 }
374
375 # Avoid locale weirdness, besides we really just want to translate ASCII.
376 toupper(){
377 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
378 }
379
380 tolower(){
381 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
382 }
383
384 c_escape(){
385 echo "$*" | sed 's/["\\]/\\\0/g'
386 }
387
388 sh_quote(){
389 v=$(echo "$1" | sed "s/'/'\\\\''/g")
390 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
391 echo "$v"
392 }
393
394 cleanws(){
395 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
396 }
397
398 filter(){
399 pat=$1
400 shift
401 for v; do
402 eval "case $v in $pat) echo $v ;; esac"
403 done
404 }
405
406 filter_out(){
407 pat=$1
408 shift
409 for v; do
410 eval "case $v in $pat) ;; *) echo $v ;; esac"
411 done
412 }
413
414 map(){
415 m=$1
416 shift
417 for v; do eval $m; done
418 }
419
420 add_suffix(){
421 suffix=$1
422 shift
423 for v; do echo ${v}${suffix}; done
424 }
425
426 set_all(){
427 value=$1
428 shift
429 for var in $*; do
430 eval $var=$value
431 done
432 }
433
434 set_weak(){
435 value=$1
436 shift
437 for var; do
438 eval : \${$var:=$value}
439 done
440 }
441
442 sanitize_var_name(){
443 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
444 }
445
446 set_safe(){
447 var=$1
448 shift
449 eval $(sanitize_var_name "$var")='$*'
450 }
451
452 get_safe(){
453 eval echo \$$(sanitize_var_name "$1")
454 }
455
456 pushvar(){
457 for pvar in $*; do
458 eval level=\${${pvar}_level:=0}
459 eval ${pvar}_${level}="\$$pvar"
460 eval ${pvar}_level=$(($level+1))
461 done
462 }
463
464 popvar(){
465 for pvar in $*; do
466 eval level=\${${pvar}_level:-0}
467 test $level = 0 && continue
468 eval level=$(($level-1))
469 eval $pvar="\${${pvar}_${level}}"
470 eval ${pvar}_level=$level
471 eval unset ${pvar}_${level}
472 done
473 }
474
475 enable(){
476 set_all yes $*
477 }
478
479 disable(){
480 set_all no $*
481 }
482
483 enable_weak(){
484 set_weak yes $*
485 }
486
487 disable_weak(){
488 set_weak no $*
489 }
490
491 enable_safe(){
492 for var; do
493 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
494 done
495 }
496
497 disable_safe(){
498 for var; do
499 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
500 done
501 }
502
503 do_enable_deep(){
504 for var; do
505 enabled $var && continue
506 eval sel="\$${var}_select"
507 eval sgs="\$${var}_suggest"
508 pushvar var sgs
509 enable_deep $sel
510 popvar sgs
511 enable_deep_weak $sgs
512 popvar var
513 done
514 }
515
516 enable_deep(){
517 do_enable_deep $*
518 enable $*
519 }
520
521 enable_deep_weak(){
522 for var; do
523 disabled $var && continue
524 pushvar var
525 do_enable_deep $var
526 popvar var
527 enable_weak $var
528 done
529 }
530
531 enabled(){
532 test "${1#!}" = "$1" && op== || op=!=
533 eval test "x\$${1#!}" $op "xyes"
534 }
535
536 disabled(){
537 test "${1#!}" = "$1" && op== || op=!=
538 eval test "x\$${1#!}" $op "xno"
539 }
540
541 enabled_all(){
542 for opt; do
543 enabled $opt || return 1
544 done
545 }
546
547 disabled_all(){
548 for opt; do
549 disabled $opt || return 1
550 done
551 }
552
553 enabled_any(){
554 for opt; do
555 enabled $opt && return 0
556 done
557 }
558
559 disabled_any(){
560 for opt; do
561 disabled $opt && return 0
562 done
563 return 1
564 }
565
566 set_default(){
567 for opt; do
568 eval : \${$opt:=\$${opt}_default}
569 done
570 }
571
572 is_in(){
573 value=$1
574 shift
575 for var in $*; do
576 [ $var = $value ] && return 0
577 done
578 return 1
579 }
580
581 do_check_deps(){
582 for cfg; do
583 cfg="${cfg#!}"
584 enabled ${cfg}_checking && die "Circular dependency for $cfg."
585 disabled ${cfg}_checking && continue
586 enable ${cfg}_checking
587 append allopts $cfg
588
589 eval dep_all="\$${cfg}_deps"
590 eval dep_any="\$${cfg}_deps_any"
591 eval dep_sel="\$${cfg}_select"
592 eval dep_sgs="\$${cfg}_suggest"
593 eval dep_ifa="\$${cfg}_if"
594 eval dep_ifn="\$${cfg}_if_any"
595
596 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
597 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
598 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
599
600 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
601 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
602 enabled_all $dep_all || disable $cfg
603 enabled_any $dep_any || disable $cfg
604 disabled_any $dep_sel && disable $cfg
605
606 if enabled $cfg; then
607 enable_deep $dep_sel
608 enable_deep_weak $dep_sgs
609 fi
610
611 disable ${cfg}_checking
612 done
613 }
614
615 check_deps(){
616 unset allopts
617
618 do_check_deps "$@"
619
620 for cfg in $allopts; do
621 enabled $cfg || continue
622 eval dep_extralibs="\$${cfg}_extralibs"
623 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
624 done
625 }
626
627 print_config(){
628 pfx=$1
629 files=$2
630 shift 2
631 map 'eval echo "$v \${$v:-no}"' "$@" |
632 awk "BEGIN { split(\"$files\", files) }
633 {
634 c = \"$pfx\" toupper(\$1);
635 v = \$2;
636 sub(/yes/, 1, v);
637 sub(/no/, 0, v);
638 for (f in files) {
639 file = files[f];
640 if (file ~ /\\.h\$/) {
641 printf(\"#define %s %d\\n\", c, v) >>file;
642 } else if (file ~ /\\.asm\$/) {
643 printf(\"%%define %s %d\\n\", c, v) >>file;
644 } else if (file ~ /\\.mak\$/) {
645 n = -v ? \"\" : \"!\";
646 printf(\"%s%s=yes\\n\", n, c) >>file;
647 }
648 }
649 }"
650 }
651
652 print_enabled(){
653 suf=$1
654 shift
655 for v; do
656 enabled $v && printf "%s\n" ${v%$suf};
657 done
658 }
659
660 append(){
661 var=$1
662 shift
663 eval "$var=\"\$$var $*\""
664 }
665
666 prepend(){
667 var=$1
668 shift
669 eval "$var=\"$* \$$var\""
670 }
671
672 unique(){
673 var=$1
674 uniq_list=""
675 for tok in $(eval echo \$$var); do
676 uniq_list="$(filter_out $tok $uniq_list) $tok"
677 done
678 eval "$var=\"${uniq_list}\""
679 }
680
681 add_cppflags(){
682 append CPPFLAGS "$@"
683 }
684
685 add_cflags(){
686 append CFLAGS $($cflags_filter "$@")
687 }
688
689 add_asflags(){
690 append ASFLAGS $($asflags_filter "$@")
691 }
692
693 add_ldflags(){
694 append LDFLAGS $($ldflags_filter "$@")
695 }
696
697 add_ldexeflags(){
698 append LDEXEFLAGS $($ldflags_filter "$@")
699 }
700
701 add_stripflags(){
702 append STRIPFLAGS "$@"
703 }
704
705 add_extralibs(){
706 prepend extralibs $($ldflags_filter "$@")
707 }
708
709 add_host_cppflags(){
710 append host_cppflags "$@"
711 }
712
713 add_host_cflags(){
714 append host_cflags $($host_cflags_filter "$@")
715 }
716
717 add_host_ldflags(){
718 append host_ldflags $($host_ldflags_filter "$@")
719 }
720
721 add_compat(){
722 append compat_objs $1
723 shift
724 map 'add_cppflags -D$v' "$@"
725 }
726
727 check_cmd(){
728 log "$@"
729 "$@" >> $logfile 2>&1
730 }
731
732 cc_o(){
733 eval printf '%s\\n' $CC_O
734 }
735
736 cc_e(){
737 eval printf '%s\\n' $CC_E
738 }
739
740 check_cc(){
741 log check_cc "$@"
742 cat > $TMPC
743 log_file $TMPC
744 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
745 }
746
747 check_cpp(){
748 log check_cpp "$@"
749 cat > $TMPC
750 log_file $TMPC
751 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
752 }
753
754 as_o(){
755 eval printf '%s\\n' $AS_O
756 }
757
758 check_as(){
759 log check_as "$@"
760 cat > $TMPS
761 log_file $TMPS
762 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
763 }
764
765 check_inline_asm(){
766 log check_inline_asm "$@"
767 name="$1"
768 code="$2"
769 shift 2
770 disable $name
771 check_cc "$@" <<EOF && enable $name
772 void foo(void){ __asm__ volatile($code); }
773 EOF
774 }
775
776 check_insn(){
777 log check_insn "$@"
778 check_inline_asm ${1}_inline "\"$2\""
779 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
780 }
781
782 check_yasm(){
783 log check_yasm "$@"
784 echo "$1" > $TMPS
785 log_file $TMPS
786 shift 1
787 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
788 }
789
790 ld_o(){
791 eval printf '%s\\n' $LD_O
792 }
793
794 check_ld(){
795 log check_ld "$@"
796 flags=$(filter_out '-l*' "$@")
797 libs=$(filter '-l*' "$@")
798 check_cc $($cflags_filter $flags) || return
799 flags=$($ldflags_filter $flags)
800 libs=$($ldflags_filter $libs)
801 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
802 }
803
804 print_include(){
805 hdr=$1
806 test "${hdr%.h}" = "${hdr}" &&
807 echo "#include $hdr" ||
808 echo "#include <$hdr>"
809 }
810
811 check_code(){
812 log check_code "$@"
813 check=$1
814 headers=$2
815 code=$3
816 shift 3
817 {
818 for hdr in $headers; do
819 print_include $hdr
820 done
821 echo "int main(void) { $code; return 0; }"
822 } | check_$check "$@"
823 }
824
825 check_cppflags(){
826 log check_cppflags "$@"
827 check_cc "$@" <<EOF && append CPPFLAGS "$@"
828 int x;
829 EOF
830 }
831
832 test_cflags(){
833 log test_cflags "$@"
834 set -- $($cflags_filter "$@")
835 check_cc "$@" <<EOF
836 int x;
837 EOF
838 }
839
840 check_cflags(){
841 log check_cflags "$@"
842 test_cflags "$@" && add_cflags "$@"
843 }
844
845 test_ldflags(){
846 log test_ldflags "$@"
847 check_ld "$@" <<EOF
848 int main(void){ return 0; }
849 EOF
850 }
851
852 check_ldflags(){
853 log check_ldflags "$@"
854 test_ldflags "$@" && add_ldflags "$@"
855 }
856
857 test_stripflags(){
858 log test_stripflags "$@"
859 # call check_cc to get a fresh TMPO
860 check_cc <<EOF
861 int main(void) { return 0; }
862 EOF
863 check_cmd $strip $STRIPFLAGS "$@" $TMPO
864 }
865
866 check_stripflags(){
867 log check_stripflags "$@"
868 test_stripflags "$@" && add_stripflags "$@"
869 }
870
871 check_header(){
872 log check_header "$@"
873 header=$1
874 shift
875 disable_safe $header
876 check_cpp "$@" <<EOF && enable_safe $header
877 #include <$header>
878 int x;
879 EOF
880 }
881
882 check_func(){
883 log check_func "$@"
884 func=$1
885 shift
886 disable $func
887 check_ld "$@" <<EOF && enable $func
888 extern int $func();
889 int main(void){ $func(); }
890 EOF
891 }
892
893 check_mathfunc(){
894 log check_mathfunc "$@"
895 func=$1
896 narg=$2
897 shift 2
898 test $narg = 2 && args="f, g" || args="f"
899 disable $func
900 check_ld "$@" <<EOF && enable $func
901 #include <math.h>
902 float foo(float f, float g) { return $func($args); }
903 int main(void){ return 0; }
904 EOF
905 }
906
907 check_func_headers(){
908 log check_func_headers "$@"
909 headers=$1
910 funcs=$2
911 shift 2
912 {
913 for hdr in $headers; do
914 print_include $hdr
915 done
916 for func in $funcs; do
917 echo "long check_$func(void) { return (long) $func; }"
918 done
919 echo "int main(void) { return 0; }"
920 } | check_ld "$@" && enable $funcs && enable_safe $headers
921 }
922
923 check_cpp_condition(){
924 log check_cpp_condition "$@"
925 header=$1
926 condition=$2
927 shift 2
928 check_cpp "$@" <<EOF
929 #include <$header>
930 #if !($condition)
931 #error "unsatisfied condition: $condition"
932 #endif
933 EOF
934 }
935
936 check_lib(){
937 log check_lib "$@"
938 header="$1"
939 func="$2"
940 shift 2
941 check_header $header && check_func $func "$@" && add_extralibs "$@"
942 }
943
944 check_lib2(){
945 log check_lib2 "$@"
946 headers="$1"
947 funcs="$2"
948 shift 2
949 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
950 }
951
952 check_pkg_config(){
953 log check_pkg_config "$@"
954 pkg="$1"
955 headers="$2"
956 funcs="$3"
957 shift 3
958 check_cmd $pkg_config --exists --print-errors $pkg || return
959 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
960 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
961 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
962 set_safe ${pkg}_cflags $pkg_cflags &&
963 set_safe ${pkg}_libs $pkg_libs
964 }
965
966 check_exec(){
967 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
968 }
969
970 check_exec_crash(){
971 code=$(cat)
972
973 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
974 # are safe but may not be available everywhere. Thus we use
975 # raise(SIGTERM) instead. The check is run in a subshell so we
976 # can redirect the "Terminated" message from the shell. SIGBUS
977 # is not defined by standard C so it is used conditionally.
978
979 (check_exec "$@") >> $logfile 2>&1 <<EOF
980 #include <signal.h>
981 static void sighandler(int sig){
982 raise(SIGTERM);
983 }
984 int foo(void){
985 $code
986 }
987 int (*func_ptr)(void) = foo;
988 int main(void){
989 signal(SIGILL, sighandler);
990 signal(SIGFPE, sighandler);
991 signal(SIGSEGV, sighandler);
992 #ifdef SIGBUS
993 signal(SIGBUS, sighandler);
994 #endif
995 return func_ptr();
996 }
997 EOF
998 }
999
1000 check_type(){
1001 log check_type "$@"
1002 headers=$1
1003 type=$2
1004 shift 2
1005 disable_safe "$type"
1006 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1007 }
1008
1009 check_struct(){
1010 log check_struct "$@"
1011 headers=$1
1012 struct=$2
1013 member=$3
1014 shift 3
1015 disable_safe "${struct}_${member}"
1016 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1017 enable_safe "${struct}_${member}"
1018 }
1019
1020 check_builtin(){
1021 log check_builtin "$@"
1022 name=$1
1023 headers=$2
1024 builtin=$3
1025 shift 3
1026 disable "$name"
1027 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1028 }
1029
1030 check_compile_assert(){
1031 log check_compile_assert "$@"
1032 name=$1
1033 headers=$2
1034 condition=$3
1035 shift 3
1036 disable "$name"
1037 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1038 }
1039
1040 require(){
1041 name="$1"
1042 header="$2"
1043 func="$3"
1044 shift 3
1045 check_lib $header $func "$@" || die "ERROR: $name not found"
1046 }
1047
1048 require2(){
1049 name="$1"
1050 headers="$2"
1051 func="$3"
1052 shift 3
1053 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1054 }
1055
1056 require_pkg_config(){
1057 pkg="$1"
1058 check_pkg_config "$@" || die "ERROR: $pkg not found"
1059 add_cflags $(get_safe ${pkg}_cflags)
1060 add_extralibs $(get_safe ${pkg}_libs)
1061 }
1062
1063 hostcc_e(){
1064 eval printf '%s\\n' $HOSTCC_E
1065 }
1066
1067 hostcc_o(){
1068 eval printf '%s\\n' $HOSTCC_O
1069 }
1070
1071 check_host_cc(){
1072 log check_host_cc "$@"
1073 cat > $TMPC
1074 log_file $TMPC
1075 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1076 }
1077
1078 check_host_cpp(){
1079 log check_host_cpp "$@"
1080 cat > $TMPC
1081 log_file $TMPC
1082 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1083 }
1084
1085 check_host_cppflags(){
1086 log check_host_cppflags "$@"
1087 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1088 int x;
1089 EOF
1090 }
1091
1092 check_host_cflags(){
1093 log check_host_cflags "$@"
1094 set -- $($host_cflags_filter "$@")
1095 check_host_cc "$@" <<EOF && append host_cflags "$@"
1096 int x;
1097 EOF
1098 }
1099
1100 check_host_cpp_condition(){
1101 log check_host_cpp_condition "$@"
1102 header=$1
1103 condition=$2
1104 shift 2
1105 check_host_cpp "$@" <<EOF
1106 #include <$header>
1107 #if !($condition)
1108 #error "unsatisfied condition: $condition"
1109 #endif
1110 EOF
1111 }
1112
1113 apply(){
1114 file=$1
1115 shift
1116 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1117 }
1118
1119 cp_if_changed(){
1120 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1121 mkdir -p "$(dirname $2)"
1122 $cp_f "$1" "$2"
1123 }
1124
1125 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1126 # system-dependent things.
1127
1128 COMPONENT_LIST="
1129 bsfs
1130 decoders
1131 demuxers
1132 encoders
1133 filters
1134 hwaccels
1135 indevs
1136 muxers
1137 outdevs
1138 parsers
1139 protocols
1140 "
1141
1142 EXAMPLE_LIST="
1143 avcodec_example
1144 filter_audio_example
1145 metadata_example
1146 output_example
1147 qsvdec_example
1148 transcode_aac_example
1149 "
1150
1151 EXTERNAL_LIBRARY_LIST="
1152 avisynth
1153 bzlib
1154 frei0r
1155 gnutls
1156 libbs2b
1157 libcdio
1158 libdc1394
1159 libdcadec
1160 libfaac
1161 libfdk_aac
1162 libfontconfig
1163 libfreetype
1164 libgsm
1165 libilbc
1166 libmfx
1167 libmp3lame
1168 libopencore_amrnb
1169 libopencore_amrwb
1170 libopencv
1171 libopenh264
1172 libopenjpeg
1173 libopus
1174 libpulse
1175 librtmp
1176 libschroedinger
1177 libspeex
1178 libtheora
1179 libtwolame
1180 libvo_aacenc
1181 libvo_amrwbenc
1182 libvorbis
1183 libvpx
1184 libwavpack
1185 libwebp
1186 libx264
1187 libx265
1188 libxavs
1189 libxcb
1190 libxcb_shm
1191 libxcb_xfixes
1192 libxvid
1193 mmal
1194 openssl
1195 x11grab
1196 zlib
1197 "
1198
1199 FEATURE_LIST="
1200 gray
1201 hardcoded_tables
1202 runtime_cpudetect
1203 safe_bitstream_reader
1204 shared
1205 small
1206 sram
1207 static
1208 swscale_alpha
1209 "
1210
1211 HWACCEL_LIST="
1212 d3d11va
1213 dxva2
1214 vaapi
1215 vda
1216 vdpau
1217 "
1218
1219 LIBRARY_LIST="
1220 avcodec
1221 avdevice
1222 avfilter
1223 avformat
1224 avresample
1225 avutil
1226 swscale
1227 "
1228
1229 LICENSE_LIST="
1230 gpl
1231 nonfree
1232 version3
1233 "
1234
1235 PROGRAM_LIST="
1236 avconv
1237 avplay
1238 avprobe
1239 "
1240
1241 SUBSYSTEM_LIST="
1242 dct
1243 doc
1244 error_resilience
1245 faan
1246 fft
1247 lsp
1248 lzo
1249 mdct
1250 network
1251 rdft
1252 "
1253
1254 CONFIG_LIST="
1255 $COMPONENT_LIST
1256 $EXAMPLE_LIST
1257 $EXTERNAL_LIBRARY_LIST
1258 $FEATURE_LIST
1259 $HWACCEL_LIST
1260 $LICENSE_LIST
1261 $LIBRARY_LIST
1262 $PROGRAM_LIST
1263 $SUBSYSTEM_LIST
1264 memalign_hack
1265 neon_clobber_test
1266 pic
1267 pod2man
1268 texi2html
1269 thumb
1270 valgrind_backtrace
1271 xmm_clobber_test
1272 "
1273
1274 THREADS_LIST="
1275 pthreads
1276 w32threads
1277 "
1278
1279 ATOMICS_LIST="
1280 atomics_gcc
1281 atomics_suncc
1282 atomics_win32
1283 "
1284
1285 ARCH_LIST="
1286 aarch64
1287 alpha
1288 arm
1289 avr32
1290 avr32_ap
1291 avr32_uc
1292 bfin
1293 ia64
1294 m68k
1295 mips
1296 mips64
1297 parisc
1298 ppc
1299 ppc64
1300 s390
1301 sh4
1302 sparc
1303 sparc64
1304 tilegx
1305 tilepro
1306 tomi
1307 x86
1308 x86_32
1309 x86_64
1310 "
1311
1312 ARCH_EXT_LIST_ARM="
1313 armv5te
1314 armv6
1315 armv6t2
1316 armv8
1317 neon
1318 vfp
1319 vfpv3
1320 "
1321
1322 ARCH_EXT_LIST_X86_SIMD="
1323 amd3dnow
1324 amd3dnowext
1325 avx
1326 avx2
1327 fma3
1328 fma4
1329 mmx
1330 mmxext
1331 sse
1332 sse2
1333 sse3
1334 sse4
1335 sse42
1336 ssse3
1337 xop
1338 "
1339
1340 ARCH_EXT_LIST_PPC="
1341 altivec
1342 dcbzl
1343 ldbrx
1344 power8
1345 ppc4xx
1346 vsx
1347 "
1348
1349 ARCH_EXT_LIST_X86="
1350 $ARCH_EXT_LIST_X86_SIMD
1351 cpunop
1352 i686
1353 "
1354
1355 ARCH_EXT_LIST="
1356 $ARCH_EXT_LIST_ARM
1357 $ARCH_EXT_LIST_PPC
1358 $ARCH_EXT_LIST_X86
1359 loongson
1360 vis
1361 "
1362
1363 ARCH_FEATURES="
1364 aligned_stack
1365 fast_64bit
1366 fast_clz
1367 fast_cmov
1368 local_aligned_8
1369 local_aligned_16
1370 simd_align_16
1371 "
1372
1373 BUILTIN_LIST="
1374 atomic_cas_ptr
1375 machine_rw_barrier
1376 MemoryBarrier
1377 mm_empty
1378 rdtsc
1379 sync_val_compare_and_swap
1380 "
1381 HAVE_LIST_CMDLINE="
1382 inline_asm
1383 symver
1384 yasm
1385 "
1386
1387 HAVE_LIST_PUB="
1388 bigendian
1389 fast_unaligned
1390 "
1391
1392 HEADERS_LIST="
1393 alsa_asoundlib_h
1394 altivec_h
1395 arpa_inet_h
1396 cdio_paranoia_h
1397 cdio_paranoia_paranoia_h
1398 dev_bktr_ioctl_bt848_h
1399 dev_bktr_ioctl_meteor_h
1400 dev_ic_bt8xx_h
1401 dev_video_bktr_ioctl_bt848_h
1402 dev_video_meteor_ioctl_meteor_h
1403 direct_h
1404 dlfcn_h
1405 d3d11_h
1406 dxva_h
1407 gsm_h
1408 io_h
1409 mach_mach_time_h
1410 machine_ioctl_bt848_h
1411 machine_ioctl_meteor_h
1412 malloc_h
1413 poll_h
1414 sndio_h
1415 soundcard_h
1416 sys_mman_h
1417 sys_param_h
1418 sys_resource_h
1419 sys_select_h
1420 sys_soundcard_h
1421 sys_time_h
1422 sys_un_h
1423 sys_videoio_h
1424 unistd_h
1425 valgrind_valgrind_h
1426 windows_h
1427 winsock2_h
1428 "
1429
1430 INTRINSICS_LIST="
1431 intrinsics_neon
1432 "
1433
1434 MATH_FUNCS="
1435 atanf
1436 atan2f
1437 cbrtf
1438 cosf
1439 exp2
1440 exp2f
1441 expf
1442 isinf
1443 isnan
1444 ldexpf
1445 llrint
1446 llrintf
1447 log2
1448 log2f
1449 log10f
1450 lrint
1451 lrintf
1452 powf
1453 rint
1454 round
1455 roundf
1456 sinf
1457 trunc
1458 truncf
1459 "
1460
1461 SYSTEM_FUNCS="
1462 aligned_malloc
1463 clock_gettime
1464 closesocket
1465 CommandLineToArgvW
1466 CoTaskMemFree
1467 CryptGenRandom
1468 dlopen
1469 fcntl
1470 flt_lim
1471 fork
1472 getaddrinfo
1473 gethrtime
1474 getopt
1475 GetProcessAffinityMask
1476 GetProcessMemoryInfo
1477 GetProcessTimes
1478 getrusage
1479 getservbyport
1480 GetSystemTimeAsFileTime
1481 gettimeofday
1482 gmtime_r
1483 inet_aton
1484 isatty
1485 jack_port_get_latency_range
1486 localtime_r
1487 mach_absolute_time
1488 MapViewOfFile
1489 memalign
1490 mkstemp
1491 mmap
1492 mprotect
1493 nanosleep
1494 posix_memalign
1495 sched_getaffinity
1496 SetConsoleTextAttribute
1497 setmode
1498 setrlimit
1499 Sleep
1500 strerror_r
1501 sysconf
1502 sysctl
1503 usleep
1504 VirtualAlloc
1505 "
1506
1507 TOOLCHAIN_FEATURES="
1508 as_dn_directive
1509 as_func
1510 as_object_arch
1511 asm_mod_q
1512 attribute_may_alias
1513 attribute_packed
1514 ebp_available
1515 ebx_available
1516 gnu_as
1517 ibm_asm
1518 inline_asm_labels
1519 pragma_deprecated
1520 symver_asm_label
1521 symver_gnu_asm
1522 vfp_args
1523 xform_asm
1524 xmm_clobbers
1525 "
1526
1527 TYPES_LIST="
1528 CONDITION_VARIABLE_Ptr
1529 DXVA_PicParams_HEVC
1530 socklen_t
1531 struct_addrinfo
1532 struct_group_source_req
1533 struct_ip_mreq_source
1534 struct_ipv6_mreq
1535 struct_pollfd
1536 struct_rusage_ru_maxrss
1537 struct_sockaddr_in6
1538 struct_sockaddr_sa_len
1539 struct_sockaddr_storage
1540 struct_v4l2_frmivalenum_discrete
1541 "
1542
1543 HAVE_LIST="
1544 $ARCH_EXT_LIST
1545 $(add_suffix _external $ARCH_EXT_LIST)
1546 $(add_suffix _inline $ARCH_EXT_LIST)
1547 $ARCH_FEATURES
1548 $ATOMICS_LIST
1549 $BUILTIN_LIST
1550 $HAVE_LIST_CMDLINE
1551 $HAVE_LIST_PUB
1552 $HEADERS_LIST
1553 $INTRINSICS_LIST
1554 $MATH_FUNCS
1555 $SYSTEM_FUNCS
1556 $THREADS_LIST
1557 $TOOLCHAIN_FEATURES
1558 $TYPES_LIST
1559 atomics_native
1560 dos_paths
1561 d3d11_cobj
1562 d3d11va_lib
1563 dxva2_lib
1564 libc_msvcrt
1565 libdc1394_1
1566 libdc1394_2
1567 sdl
1568 section_data_rel_ro
1569 threads
1570 vaapi_x11
1571 vdpau_x11
1572 xlib
1573 "
1574
1575 # options emitted with CONFIG_ prefix but not available on the command line
1576 CONFIG_EXTRA="
1577 aandcttables
1578 ac3dsp
1579 audio_frame_queue
1580 audiodsp
1581 blockdsp
1582 bswapdsp
1583 cabac
1584 dvprofile
1585 faandct
1586 faanidct
1587 fdctdsp
1588 fmtconvert
1589 gcrypt
1590 golomb
1591 gplv3
1592 h263dsp
1593 h264chroma
1594 h264dsp
1595 h264pred
1596 h264qpel
1597 hpeldsp
1598 huffman
1599 huffyuvdsp
1600 huffyuvencdsp
1601 idctdsp
1602 iirfilter
1603 imdct15
1604 intrax8
1605 jpegtables
1606 lgplv3
1607 lpc
1608 me_cmp
1609 mpeg_er
1610 mpegaudio
1611 mpegaudiodsp
1612 mpegvideo
1613 mpegvideoenc
1614 nettle
1615 pixblockdsp
1616 qpeldsp
1617 qsv
1618 qsvdec
1619 qsvenc
1620 rangecoder
1621 riffdec
1622 riffenc
1623 rtpdec
1624 rtpenc_chain
1625 sinewin
1626 startcode
1627 tpeldsp
1628 videodsp
1629 vp3dsp
1630 wma_freqs
1631 "
1632
1633 CMDLINE_SELECT="
1634 $ARCH_EXT_LIST
1635 $CONFIG_LIST
1636 $HAVE_LIST_CMDLINE
1637 $THREADS_LIST
1638 asm
1639 cross_compile
1640 debug
1641 extra_warnings
1642 logging
1643 lto
1644 optimizations
1645 rpath
1646 "
1647
1648 PATHS_LIST="
1649 bindir
1650 datadir
1651 docdir
1652 incdir
1653 libdir
1654 mandir
1655 prefix
1656 shlibdir
1657 "
1658
1659 CMDLINE_SET="
1660 $PATHS_LIST
1661 ar
1662 arch
1663 as
1664 build_suffix
1665 cc
1666 cpu
1667 cross_prefix
1668 dep_cc
1669 extra_version
1670 host_cc
1671 host_cflags
1672 host_ld
1673 host_ldflags
1674 host_libs
1675 host_os
1676 ld
1677 logfile
1678 malloc_prefix
1679 nm
1680 optflags
1681 pkg_config
1682 pkg_config_flags
1683 random_seed
1684 samples
1685 sysinclude
1686 sysroot
1687 target_exec
1688 target_os
1689 target_path
1690 target_samples
1691 toolchain
1692 "
1693
1694 CMDLINE_APPEND="
1695 extra_cflags
1696 host_cppflags
1697 "
1698
1699 # code dependency declarations
1700
1701 # architecture extensions
1702
1703 armv5te_deps="arm"
1704 armv6_deps="arm"
1705 armv6t2_deps="arm"
1706 armv8_deps="aarch64"
1707 neon_deps_any="aarch64 arm"
1708 intrinsics_neon_deps="neon"
1709 vfp_deps_any="aarch64 arm"
1710 vfpv3_deps="vfp"
1711
1712 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1713
1714 altivec_deps="ppc"
1715 ppc4xx_deps="ppc"
1716 vsx_deps="altivec"
1717 power8_deps="vsx"
1718
1719 cpunop_deps="i686"
1720 x86_64_select="i686"
1721 x86_64_suggest="fast_cmov"
1722
1723 amd3dnow_deps="mmx"
1724 amd3dnowext_deps="amd3dnow"
1725 i686_deps="x86"
1726 mmx_deps="x86"
1727 mmxext_deps="mmx"
1728 sse_deps="mmxext"
1729 sse2_deps="sse"
1730 sse3_deps="sse2"
1731 ssse3_deps="sse3"
1732 sse4_deps="ssse3"
1733 sse42_deps="sse4"
1734 avx_deps="sse42"
1735 xop_deps="avx"
1736 fma3_deps="avx"
1737 fma4_deps="avx"
1738 avx2_deps="avx"
1739
1740 mmx_external_deps="yasm"
1741 mmx_inline_deps="inline_asm"
1742 mmx_suggest="mmx_external mmx_inline"
1743
1744 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1745 eval dep=\$${ext}_deps
1746 eval ${ext}_external_deps='"${dep}_external"'
1747 eval ${ext}_inline_deps='"${dep}_inline"'
1748 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1749 done
1750
1751 aligned_stack_if_any="aarch64 ppc x86"
1752 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1753 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1754 fast_unaligned_if_any="aarch64 ppc x86"
1755 simd_align_16_if_any="altivec neon sse"
1756
1757 # system capabilities
1758 symver_if_any="symver_asm_label symver_gnu_asm"
1759 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
1760
1761 # threading support
1762 atomics_gcc_if="sync_val_compare_and_swap"
1763 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1764 atomics_win32_if="MemoryBarrier"
1765 atomics_native_if_any="$ATOMICS_LIST"
1766 w32threads_deps="atomics_native"
1767 threads_if_any="$THREADS_LIST"
1768
1769 # subsystems
1770 dct_select="rdft"
1771 error_resilience_select="me_cmp"
1772 faandct_deps="faan fdctdsp"
1773 faanidct_deps="faan idctdsp"
1774 intrax8_select="error_resilience"
1775 mdct_select="fft"
1776 rdft_select="fft"
1777 me_cmp_select="fdctdsp idctdsp pixblockdsp"
1778 mpeg_er_select="error_resilience"
1779 mpegaudio_select="mpegaudiodsp"
1780 mpegaudiodsp_select="dct"
1781 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp videodsp"
1782 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
1783 qsvdec_select="qsv"
1784 qsvenc_select="qsv"
1785
1786 # decoders / encoders
1787 aac_decoder_select="imdct15 mdct sinewin"
1788 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
1789 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1790 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
1791 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1792 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
1793 aic_decoder_select="golomb idctdsp"
1794 alac_encoder_select="lpc"
1795 als_decoder_select="bswapdsp"
1796 amrnb_decoder_select="lsp"
1797 amrwb_decoder_select="lsp"
1798 amv_decoder_select="sp5x_decoder"
1799 ape_decoder_select="bswapdsp"
1800 asv1_decoder_select="blockdsp bswapdsp idctdsp"
1801 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
1802 asv2_decoder_select="blockdsp bswapdsp idctdsp"
1803 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
1804 atrac1_decoder_select="mdct sinewin"
1805 atrac3_decoder_select="mdct"
1806 atrac3p_decoder_select="mdct sinewin"
1807 bink_decoder_select="blockdsp hpeldsp"
1808 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
1809 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
1810 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
1811 cllc_decoder_select="bswapdsp"
1812 comfortnoise_encoder_select="lpc"
1813 cook_decoder_select="audiodsp mdct sinewin"
1814 cscd_decoder_select="lzo"
1815 cscd_decoder_suggest="zlib"
1816 dca_decoder_select="fmtconvert mdct"
1817 dnxhd_decoder_select="blockdsp idctdsp"
1818 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
1819 dvvideo_decoder_select="dvprofile idctdsp"
1820 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
1821 dxa_decoder_deps="zlib"
1822 eac3_decoder_select="ac3_decoder"
1823 eac3_encoder_select="ac3_encoder"
1824 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
1825 eatgq_decoder_select="aandcttables idctdsp"
1826 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
1827 exr_decoder_deps="zlib"
1828 ffv1_decoder_select="golomb rangecoder"
1829 ffv1_encoder_select="rangecoder"
1830 ffvhuff_decoder_select="huffyuv_decoder"
1831 ffvhuff_encoder_select="huffyuv_encoder"
1832 fic_decoder_select="golomb"
1833 flac_decoder_select="golomb"
1834 flac_encoder_select="bswapdsp golomb lpc"
1835 flashsv_decoder_deps="zlib"
1836 flashsv_encoder_deps="zlib"
1837 flashsv2_decoder_deps="zlib"
1838 flv_decoder_select="h263_decoder"
1839 flv_encoder_select="h263_encoder"
1840 fourxm_decoder_select="blockdsp bswapdsp"
1841 fraps_decoder_select="bswapdsp huffman"
1842 g2m_decoder_deps="zlib"
1843 g2m_decoder_select="blockdsp idctdsp jpegtables"
1844 h261_decoder_select="mpeg_er mpegvideo"
1845 h261_encoder_select="aandcttables mpegvideoenc"
1846 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
1847 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1848 h263i_decoder_select="h263_decoder"
1849 h263p_encoder_select="h263_encoder"
1850 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
1851 h264_decoder_suggest="error_resilience"
1852 h264_qsv_decoder_deps="libmfx"
1853 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
1854 h264_qsv_encoder_deps="libmfx"
1855 h264_qsv_encoder_select="qsvenc"
1856 hevc_decoder_select="bswapdsp cabac golomb videodsp"
1857 huffyuv_decoder_select="bswapdsp huffyuvdsp"
1858 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
1859 iac_decoder_select="imc_decoder"
1860 imc_decoder_select="bswapdsp fft mdct sinewin"
1861 indeo3_decoder_select="hpeldsp"
1862 interplay_video_decoder_select="hpeldsp"
1863 jpegls_decoder_select="golomb mjpeg_decoder"
1864 jpegls_encoder_select="golomb"
1865 jv_decoder_select="blockdsp"
1866 lagarith_decoder_select="huffyuvdsp"
1867 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
1868 loco_decoder_select="golomb"
1869 mdec_decoder_select="blockdsp idctdsp mpegvideo"
1870 metasound_decoder_select="lsp mdct sinewin"
1871 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
1872 mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
1873 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
1874 mjpegb_decoder_select="mjpeg_decoder"
1875 mlp_decoder_select="mlp_parser"
1876 motionpixels_decoder_select="bswapdsp"
1877 mp1_decoder_select="mpegaudio"
1878 mp1float_decoder_select="mpegaudio"
1879 mp2_decoder_select="mpegaudio"
1880 mp2float_decoder_select="mpegaudio"
1881 mp3_decoder_select="mpegaudio"
1882 mp3adu_decoder_select="mpegaudio"
1883 mp3adufloat_decoder_select="mpegaudio"
1884 mp3float_decoder_select="mpegaudio"
1885 mp3on4_decoder_select="mpegaudio"
1886 mp3on4float_decoder_select="mpegaudio"
1887 mpc7_decoder_select="bswapdsp mpegaudiodsp"
1888 mpc8_decoder_select="mpegaudiodsp"
1889 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1890 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1891 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
1892 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1893 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
1894 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1895 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1896 mpeg4_encoder_select="h263_encoder"
1897 msmpeg4v1_decoder_select="h263_decoder"
1898 msmpeg4v2_decoder_select="h263_decoder"
1899 msmpeg4v2_encoder_select="h263_encoder"
1900 msmpeg4v3_decoder_select="h263_decoder"
1901 msmpeg4v3_encoder_select="h263_encoder"
1902 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
1903 mxpeg_decoder_select="mjpeg_decoder"
1904 nellymoser_decoder_select="mdct sinewin"
1905 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1906 nuv_decoder_select="idctdsp lzo"
1907 on2avc_decoder_select="mdct"
1908 opus_decoder_deps="avresample"
1909 opus_decoder_select="imdct15"
1910 png_decoder_deps="zlib"
1911 png_encoder_deps="zlib"
1912 png_encoder_select="huffyuvencdsp"
1913 prores_decoder_select="idctdsp"
1914 prores_encoder_select="fdctdsp"
1915 qcelp_decoder_select="lsp"
1916 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1917 ra_144_encoder_select="audio_frame_queue lpc"
1918 ralf_decoder_select="golomb"
1919 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
1920 rv10_encoder_select="h263_encoder"
1921 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
1922 rv20_encoder_select="h263_encoder"
1923 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
1924 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
1925 shorten_decoder_select="golomb"
1926 sipr_decoder_select="lsp"
1927 sp5x_decoder_select="mjpeg_decoder"
1928 svq1_decoder_select="hpeldsp"
1929 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
1930 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
1931 svq3_decoder_suggest="zlib"
1932 tak_decoder_select="audiodsp"
1933 tdsc_decoder_deps="zlib"
1934 tdsc_decoder_select="mjpeg_decoder"
1935 theora_decoder_select="vp3_decoder"
1936 thp_decoder_select="mjpeg_decoder"
1937 tiff_decoder_suggest="zlib"
1938 tiff_encoder_suggest="zlib"
1939 truehd_decoder_select="mlp_decoder"
1940 truemotion2_decoder_select="bswapdsp"
1941 truespeech_decoder_select="bswapdsp"
1942 tscc_decoder_deps="zlib"
1943 twinvq_decoder_select="mdct lsp sinewin"
1944 utvideo_decoder_select="bswapdsp"
1945 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
1946 vble_decoder_select="huffyuvdsp"
1947 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
1948 vc1image_decoder_select="vc1_decoder"
1949 vorbis_decoder_select="mdct"
1950 vorbis_encoder_select="mdct"
1951 vp3_decoder_select="hpeldsp vp3dsp videodsp"
1952 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1953 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
1954 vp6a_decoder_select="vp6_decoder"
1955 vp6f_decoder_select="vp6_decoder"
1956 vp7_decoder_select="h264pred videodsp"
1957 vp8_decoder_select="h264pred videodsp"
1958 vp9_decoder_select="videodsp"
1959 webp_decoder_select="vp8_decoder"
1960 wmapro_decoder_select="mdct sinewin wma_freqs"
1961 wmav1_decoder_select="mdct sinewin wma_freqs"
1962 wmav1_encoder_select="mdct sinewin wma_freqs"
1963 wmav2_decoder_select="mdct sinewin wma_freqs"
1964 wmav2_encoder_select="mdct sinewin wma_freqs"
1965 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1966 wmv1_decoder_select="h263_decoder"
1967 wmv1_encoder_select="h263_encoder"
1968 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"
1969 wmv2_encoder_select="h263_encoder"
1970 wmv3_decoder_select="vc1_decoder"
1971 wmv3image_decoder_select="wmv3_decoder"
1972 zerocodec_decoder_deps="zlib"
1973 zlib_decoder_deps="zlib"
1974 zlib_encoder_deps="zlib"
1975 zmbv_decoder_deps="zlib"
1976 zmbv_encoder_deps="zlib"
1977
1978 # hardware accelerators
1979 d3d11va_deps="d3d11_h dxva_h"
1980 dxva2_deps="dxva2api_h"
1981 vaapi_deps="va_va_h"
1982 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1983 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
1984 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1985
1986 h263_vaapi_hwaccel_deps="vaapi"
1987 h263_vaapi_hwaccel_select="h263_decoder"
1988 h263_vdpau_hwaccel_deps="vdpau"
1989 h263_vdpau_hwaccel_select="h263_decoder"
1990 h264_d3d11va_hwaccel_deps="d3d11va"
1991 h264_d3d11va_hwaccel_select="h264_decoder"
1992 h264_dxva2_hwaccel_deps="dxva2"
1993 h264_dxva2_hwaccel_select="h264_decoder"
1994 h264_mmal_decoder_deps="mmal"
1995 h264_mmal_hwaccel_deps="mmal"
1996 h264_mmal_decoder_select="h264_decoder"
1997 h264_mmal_encoder_deps="mmal"
1998 h264_qsv_hwaccel_deps="libmfx"
1999 h264_vaapi_hwaccel_deps="vaapi"
2000 h264_vaapi_hwaccel_select="h264_decoder"
2001 h264_vda_hwaccel_deps="vda"
2002 h264_vda_hwaccel_select="h264_decoder"
2003 h264_vda_old_hwaccel_deps="vda"
2004 h264_vda_old_hwaccel_select="h264_decoder"
2005 h264_vdpau_hwaccel_deps="vdpau"
2006 h264_vdpau_hwaccel_select="h264_decoder"
2007 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2008 hevc_d3d11va_hwaccel_select="hevc_decoder"
2009 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2010 hevc_dxva2_hwaccel_select="hevc_decoder"
2011 mpeg1_vdpau_hwaccel_deps="vdpau"
2012 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2013 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2014 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2015 mpeg2_dxva2_hwaccel_deps="dxva2"
2016 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2017 mpeg2_vaapi_hwaccel_deps="vaapi"
2018 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2019 mpeg2_vdpau_hwaccel_deps="vdpau"
2020 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2021 mpeg4_vaapi_hwaccel_deps="vaapi"
2022 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2023 mpeg4_vdpau_hwaccel_deps="vdpau"
2024 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2025 vc1_d3d11va_hwaccel_deps="d3d11va"
2026 vc1_d3d11va_hwaccel_select="vc1_decoder"
2027 vc1_dxva2_hwaccel_deps="dxva2"
2028 vc1_dxva2_hwaccel_select="vc1_decoder"
2029 vc1_vaapi_hwaccel_deps="vaapi"
2030 vc1_vaapi_hwaccel_select="vc1_decoder"
2031 vc1_vdpau_hwaccel_deps="vdpau"
2032 vc1_vdpau_hwaccel_select="vc1_decoder"
2033 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2034 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2035 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2036 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2037
2038 # parsers
2039 h264_parser_select="h264_decoder"
2040 mpegvideo_parser_select="mpegvideo"
2041 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
2042 vc1_parser_select="mpegvideo startcode vc1_decoder"
2043
2044 # bitstream_filters
2045 mjpeg2jpeg_bsf_select="jpegtables"
2046
2047 # external libraries
2048 libdcadec_decoder_deps="libdcadec"
2049 libfaac_encoder_deps="libfaac"
2050 libfaac_encoder_select="audio_frame_queue"
2051 libfdk_aac_decoder_deps="libfdk_aac"
2052 libfdk_aac_encoder_deps="libfdk_aac"
2053 libfdk_aac_encoder_select="audio_frame_queue"
2054 libgsm_decoder_deps="libgsm"
2055 libgsm_encoder_deps="libgsm"
2056 libgsm_ms_decoder_deps="libgsm"
2057 libgsm_ms_encoder_deps="libgsm"
2058 libilbc_decoder_deps="libilbc"
2059 libilbc_encoder_deps="libilbc"
2060 libmp3lame_encoder_deps="libmp3lame"
2061 libmp3lame_encoder_select="audio_frame_queue"
2062 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2063 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2064 libopencore_amrnb_encoder_select="audio_frame_queue"
2065 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2066 libopenh264_encoder_deps="libopenh264"
2067 libopenjpeg_decoder_deps="libopenjpeg"
2068 libopenjpeg_encoder_deps="libopenjpeg"
2069 libopus_decoder_deps="libopus"
2070 libopus_encoder_deps="libopus"
2071 libopus_encoder_select="audio_frame_queue"
2072 libschroedinger_decoder_deps="libschroedinger"
2073 libschroedinger_encoder_deps="libschroedinger"
2074 libspeex_decoder_deps="libspeex"
2075 libspeex_encoder_deps="libspeex"
2076 libspeex_encoder_select="audio_frame_queue"
2077 libtheora_encoder_deps="libtheora"
2078 libtwolame_encoder_deps="libtwolame"
2079 libvo_aacenc_encoder_deps="libvo_aacenc"
2080 libvo_aacenc_encoder_select="audio_frame_queue"
2081 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2082 libvorbis_encoder_deps="libvorbis"
2083 libvorbis_encoder_select="audio_frame_queue"
2084 libvpx_vp8_decoder_deps="libvpx"
2085 libvpx_vp8_encoder_deps="libvpx"
2086 libvpx_vp9_decoder_deps="libvpx"
2087 libvpx_vp9_encoder_deps="libvpx"
2088 libwavpack_encoder_deps="libwavpack"
2089 libwebp_encoder_deps="libwebp"
2090 libx264_encoder_deps="libx264"
2091 libx265_encoder_deps="libx265"
2092 libxavs_encoder_deps="libxavs"
2093 libxvid_encoder_deps="libxvid"
2094
2095 # demuxers / muxers
2096 ac3_demuxer_select="ac3_parser"
2097 asf_demuxer_select="riffdec"
2098 asf_muxer_select="riffenc"
2099 asf_stream_muxer_select="asf_muxer"
2100 avi_demuxer_select="riffdec"
2101 avi_muxer_select="riffenc"
2102 avisynth_demuxer_deps="avisynth"
2103 avisynth_demuxer_select="riffdec"
2104 caf_demuxer_select="riffdec"
2105 dash_muxer_select="mp4_muxer"
2106 dirac_demuxer_select="dirac_parser"
2107 dv_demuxer_select="dvprofile"
2108 dv_muxer_select="dvprofile"
2109 dxa_demuxer_select="riffdec"
2110 eac3_demuxer_select="ac3_parser"
2111 f4v_muxer_select="mov_muxer"
2112 flac_demuxer_select="flac_parser"
2113 hds_muxer_select="flv_muxer"
2114 hls_muxer_select="mpegts_muxer"
2115 ipod_muxer_select="mov_muxer"
2116 ismv_muxer_select="mov_muxer"
2117 matroska_audio_muxer_select="matroska_muxer"
2118 matroska_demuxer_select="riffdec"
2119 matroska_demuxer_suggest="bzlib lzo zlib"
2120 matroska_muxer_select="riffenc"
2121 mmf_muxer_select="riffenc"
2122 mov_demuxer_select="riffdec"
2123 mov_demuxer_suggest="zlib"
2124 mov_muxer_select="riffenc rtpenc_chain"
2125 mp3_demuxer_select="mpegaudio_parser"
2126 mp4_muxer_select="mov_muxer"
2127 mpegts_muxer_select="adts_muxer latm_muxer"
2128 mpegtsraw_demuxer_select="mpegts_demuxer"
2129 mxf_d10_muxer_select="mxf_muxer"
2130 nut_muxer_select="riffenc"
2131 nuv_demuxer_select="riffdec"
2132 oga_muxer_select="ogg_muxer"
2133 ogg_demuxer_select="golomb"
2134 opus_muxer_select="ogg_muxer"
2135 psp_muxer_select="mov_muxer"
2136 rtp_demuxer_select="sdp_demuxer"
2137 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2138 rtsp_demuxer_select="http_protocol rtpdec"
2139 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2140 sap_demuxer_select="sdp_demuxer"
2141 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2142 sdp_demuxer_select="rtpdec"
2143 smoothstreaming_muxer_select="ismv_muxer"
2144 spdif_muxer_select="aac_parser"
2145 spx_muxer_select="ogg_muxer"
2146 tak_demuxer_select="tak_parser"
2147 tg2_muxer_select="mov_muxer"
2148 tgp_muxer_select="mov_muxer"
2149 w64_demuxer_select="wav_demuxer"
2150 wav_demuxer_select="riffdec"
2151 wav_muxer_select="riffenc"
2152 webm_muxer_select="riffenc"
2153 wtv_demuxer_select="riffdec"
2154 xmv_demuxer_select="riffdec"
2155 xwma_demuxer_select="riffdec"
2156
2157 # indevs / outdevs
2158 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2159 alsa_outdev_deps="alsa_asoundlib_h"
2160 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2161 dv1394_indev_deps="dv1394"
2162 dv1394_indev_select="dv_demuxer"
2163 fbdev_indev_deps="linux_fb_h"
2164 jack_indev_deps="jack_jack_h pthreads"
2165 libcdio_indev_deps="libcdio"
2166 libdc1394_indev_deps="libdc1394"
2167 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2168 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2169 pulse_indev_deps="libpulse"
2170 sndio_indev_deps="sndio_h"
2171 sndio_outdev_deps="sndio_h"
2172 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2173 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2174 vfwcap_indev_extralibs="-lavicap32"
2175 x11grab_indev_deps="x11grab"
2176 x11grab_xcb_indev_deps="libxcb"
2177
2178 # protocols
2179 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2180 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2181 ffrtmpcrypt_protocol_select="tcp_protocol"
2182 ffrtmphttp_protocol_deps="!librtmp_protocol"
2183 ffrtmphttp_protocol_select="http_protocol"
2184 gopher_protocol_select="network"
2185 http_protocol_select="tcp_protocol"
2186 httpproxy_protocol_select="tcp_protocol"
2187 https_protocol_select="tls_protocol"
2188 icecast_protocol_select="http_protocol"
2189 librtmp_protocol_deps="librtmp"
2190 librtmpe_protocol_deps="librtmp"
2191 librtmps_protocol_deps="librtmp"
2192 librtmpt_protocol_deps="librtmp"
2193 librtmpte_protocol_deps="librtmp"
2194 mmsh_protocol_select="http_protocol"
2195 mmst_protocol_select="network"
2196 rtmp_protocol_deps="!librtmp_protocol"
2197 rtmp_protocol_select="tcp_protocol"
2198 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2199 rtmps_protocol_deps="!librtmp_protocol"
2200 rtmps_protocol_select="tls_protocol"
2201 rtmpt_protocol_select="ffrtmphttp_protocol"
2202 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2203 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2204 rtp_protocol_select="udp_protocol"
2205 sctp_protocol_deps="struct_sctp_event_subscribe"
2206 sctp_protocol_select="network"
2207 srtp_protocol_select="rtp_protocol"
2208 tcp_protocol_select="network"
2209 tls_gnutls_protocol_deps="gnutls"
2210 tls_openssl_protocol_deps="openssl !tls_gnutls_protocol"
2211 tls_protocol_deps_any="tls_gnutls_protocol tls_openssl_protocol"
2212 tls_protocol_select="tcp_protocol"
2213 udp_protocol_select="network"
2214 unix_protocol_deps="sys_un_h"
2215 unix_protocol_select="network"
2216
2217 # filters
2218 blackframe_filter_deps="gpl"
2219 boxblur_filter_deps="gpl"
2220 bs2b_filter_deps="libbs2b"
2221 cropdetect_filter_deps="gpl"
2222 delogo_filter_deps="gpl"
2223 drawtext_filter_deps="libfreetype"
2224 frei0r_filter_deps="frei0r dlopen"
2225 frei0r_filter_extralibs='$ldl'
2226 frei0r_src_filter_deps="frei0r dlopen"
2227 frei0r_src_filter_extralibs='$ldl'
2228 hqdn3d_filter_deps="gpl"
2229 interlace_filter_deps="gpl"
2230 ocv_filter_deps="libopencv"
2231 resample_filter_deps="avresample"
2232 scale_filter_deps="swscale"
2233
2234 # examples
2235 avcodec_example_deps="avcodec avutil"
2236 filter_audio_example_deps="avfilter avutil"
2237 metadata_example_deps="avformat avutil"
2238 output_example_deps="avcodec avformat avutil swscale"
2239 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2240 transcode_aac_example_deps="avcodec avformat avresample"
2241
2242 # libraries, in linking order
2243 avcodec_deps="avutil"
2244 avdevice_deps="avformat avcodec avutil"
2245 avfilter_deps="avutil"
2246 avformat_deps="avcodec avutil"
2247 avresample_deps="avutil"
2248 swscale_deps="avutil"
2249
2250 # programs
2251 avconv_deps="avcodec avfilter avformat avresample swscale"
2252 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2253 fps_filter null_filter resample_filter scale_filter
2254 setpts_filter trim_filter"
2255 avplay_deps="avcodec avformat avresample swscale sdl"
2256 avplay_libs='$sdl_libs'
2257 avplay_select="rdft transpose_filter hflip_filter vflip_filter"
2258 avprobe_deps="avcodec avformat"
2259
2260 # documentation
2261 pod2man_deps="doc"
2262 texi2html_deps="doc"
2263
2264 # default parameters
2265
2266 logfile="config.log"
2267
2268 # installation paths
2269 prefix_default="/usr/local"
2270 bindir_default='${prefix}/bin'
2271 datadir_default='${prefix}/share/avconv'
2272 docdir_default='${prefix}/share/doc/libav'
2273 incdir_default='${prefix}/include'
2274 libdir_default='${prefix}/lib'
2275 mandir_default='${prefix}/share/man'
2276 shlibdir_default="$libdir_default"
2277
2278 # toolchain
2279 ar_default="ar"
2280 cc_default="gcc"
2281 host_cc_default="gcc"
2282 cp_f="cp -f"
2283 ln_s="ln -s -f"
2284 nm_default="nm -g"
2285 objformat="elf"
2286 pkg_config_default=pkg-config
2287 ranlib="ranlib"
2288 strip="strip"
2289 yasmexe="yasm"
2290
2291 # machine
2292 arch_default=$(uname -m)
2293 cpu="generic"
2294 intrinsics="none"
2295
2296 # OS
2297 target_os_default=$(tolower $(uname -s))
2298 host_os=$target_os_default
2299
2300 # configurable options
2301 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2302
2303 enable asm
2304 enable debug
2305 enable doc
2306 enable faan faandct faanidct
2307 enable optimizations
2308 enable safe_bitstream_reader
2309 enable static
2310 enable swscale_alpha
2311 enable valgrind_backtrace
2312
2313 # By default, enable only those hwaccels that have no external dependencies.
2314 enable d3d11va dxva2 vda vdpau
2315
2316 # build settings
2317 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2318 LIBPREF="lib"
2319 LIBSUF=".a"
2320 FULLNAME='$(NAME)$(BUILDSUF)'
2321 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2322 SLIBPREF="lib"
2323 SLIBSUF=".so"
2324 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2325 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2326 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2327 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2328 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2329 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2330
2331 asflags_filter=echo
2332 cflags_filter=echo
2333 ldflags_filter=echo
2334
2335 AS_C='-c'
2336 AS_O='-o $@'
2337 CC_C='-c'
2338 CC_E='-E -o $@'
2339 CC_O='-o $@'
2340 LD_O='-o $@'
2341 LD_LIB='-l%'
2342 LD_PATH='-L'
2343 HOSTCC_C='-c'
2344 HOSTCC_E='-E -o $@'
2345 HOSTCC_O='-o $@'
2346 HOSTLD_O='-o $@'
2347
2348 host_libs='-lm'
2349 host_cflags_filter=echo
2350 host_ldflags_filter=echo
2351
2352 target_path='$(CURDIR)'
2353
2354 # since the object filename is not given with the -MM flag, the compiler
2355 # is only able to print the basename, and we must add the path ourselves
2356 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2357 DEPFLAGS='-MM'
2358
2359 # find source path
2360 if test -f configure; then
2361 source_path=.
2362 else
2363 source_path=$(cd $(dirname "$0"); pwd)
2364 echo "$source_path" | grep -q '[[:blank:]]' &&
2365 die "Out of tree builds are impossible with whitespace in source path."
2366 test -e "$source_path/config.h" &&
2367 die "Out of tree builds are impossible with config.h in source dir."
2368 fi
2369
2370 for v in "$@"; do
2371 r=${v#*=}
2372 l=${v%"$r"}
2373 r=$(sh_quote "$r")
2374 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2375 done
2376
2377 find_things(){
2378 thing=$1
2379 pattern=$2
2380 file=$source_path/$3
2381 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2382 }
2383
2384 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2385 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2386 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2387 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2388 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2389 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2390 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2391 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2392 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2393 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2394 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2395
2396 ALL_COMPONENTS="
2397 $BSF_LIST
2398 $DECODER_LIST
2399 $DEMUXER_LIST
2400 $ENCODER_LIST
2401 $FILTER_LIST
2402 $HWACCEL_LIST
2403 $INDEV_LIST
2404 $MUXER_LIST
2405 $OUTDEV_LIST
2406 $PARSER_LIST
2407 $PROTOCOL_LIST
2408 "
2409
2410 for n in $COMPONENT_LIST; do
2411 v=$(toupper ${n%s})_LIST
2412 eval enable \$$v
2413 eval ${n}_if_any="\$$v"
2414 done
2415
2416 enable $ARCH_EXT_LIST
2417
2418 die_unknown(){
2419 echo "Unknown option \"$1\"."
2420 echo "See $0 --help for available options."
2421 exit 1
2422 }
2423
2424 print_3_columns() {
2425 cat | tr ' ' '\n' | sort | pr -r -3 -t
2426 }
2427
2428 show_list() {
2429 suffix=_$1
2430 shift
2431 echo $* | sed s/$suffix//g | print_3_columns
2432 exit 0
2433 }
2434
2435 rand_list(){
2436 IFS=', '
2437 set -- $*
2438 unset IFS
2439 for thing; do
2440 comp=${thing%:*}
2441 prob=${thing#$comp}
2442 prob=${prob#:}
2443 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2444 echo "prob ${prob:-0.5}"
2445 printf '%s\n' $comp
2446 done
2447 }
2448
2449 do_random(){
2450 action=$1
2451 shift
2452 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2453 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2454 }
2455
2456 for opt do
2457 optval="${opt#*=}"
2458 case "$opt" in
2459 --extra-ldflags=*)
2460 add_ldflags $optval
2461 ;;
2462 --extra-ldexeflags=*)
2463 add_ldexeflags $optval
2464 ;;
2465 --extra-libs=*)
2466 add_extralibs $optval
2467 ;;
2468 --disable-devices)
2469 disable $INDEV_LIST $OUTDEV_LIST
2470 ;;
2471 --enable-debug=*)
2472 debuglevel="$optval"
2473 ;;
2474 --disable-programs)
2475 disable $PROGRAM_LIST
2476 ;;
2477 --disable-everything)
2478 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2479 ;;
2480 --disable-all)
2481 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2482 disable $LIBRARY_LIST $PROGRAM_LIST doc
2483 ;;
2484 --enable-random|--disable-random)
2485 action=${opt%%-random}
2486 do_random ${action#--} $COMPONENT_LIST
2487 ;;
2488 --enable-random=*|--disable-random=*)
2489 action=${opt%%-random=*}
2490 do_random ${action#--} $optval
2491 ;;
2492 --enable-*=*|--disable-*=*)
2493 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2494 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2495 eval list=\$$(toupper $thing)_LIST
2496 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2497 $action $(filter "$name" $list)
2498 ;;
2499 --enable-avserver|--disable-avserver*)
2500 warn "avserver has been removed, the ${opt} option is only"\
2501 "provided for compatibility and will be removed in the future"
2502 ;;
2503 --enable-?*|--disable-?*)
2504 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2505 if is_in $option $COMPONENT_LIST; then
2506 test $action = disable && action=unset
2507 eval $action \$$(toupper ${option%s})_LIST
2508 elif is_in $option $CMDLINE_SELECT; then
2509 $action $option
2510 else
2511 die_unknown $opt
2512 fi
2513 ;;
2514 --list-*)
2515 NAME="${opt#--list-}"
2516 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2517 NAME=${NAME%s}
2518 eval show_list $NAME \$$(toupper $NAME)_LIST
2519 ;;
2520 --help|-h) show_help
2521 ;;
2522 *)
2523 optname="${opt%%=*}"
2524 optname="${optname#--}"
2525 optname=$(echo "$optname" | sed 's/-/_/g')
2526 if is_in $optname $CMDLINE_SET; then
2527 eval $optname='$optval'
2528 elif is_in $optname $CMDLINE_APPEND; then
2529 append $optname "$optval"
2530 else
2531 die_unknown $opt
2532 fi
2533 ;;
2534 esac
2535 done
2536
2537 disabled logging && logfile=/dev/null
2538
2539 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2540 set >> $logfile
2541
2542 case "$toolchain" in
2543 clang-asan)
2544 cc_default="clang"
2545 add_cflags -fsanitize=address
2546 add_ldflags -fsanitize=address
2547 ;;
2548 clang-tsan)
2549 cc_default="clang"
2550 add_cflags -fsanitize=thread -pie
2551 add_ldflags -fsanitize=thread -pie
2552 ;;
2553 clang-usan)
2554 cc_default="clang"
2555 add_cflags -fsanitize=undefined -O1
2556 add_ldflags -fsanitize=undefined
2557 ;;
2558 gcc-asan)
2559 cc_default="gcc"
2560 add_cflags -fsanitize=address
2561 add_ldflags -fsanitize=address
2562 ;;
2563 gcc-tsan)
2564 cc_default="gcc"
2565 add_cflags -fsanitize=thread -pie -fPIC
2566 add_ldflags -fsanitize=thread -pie -fPIC
2567 ;;
2568 gcc-usan)
2569 cc_default="gcc"
2570 add_cflags -fsanitize=undefined
2571 add_ldflags -fsanitize=undefined
2572 ;;
2573 valgrind-massif)
2574 target_exec_default="valgrind"
2575 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2576 ;;
2577 valgrind-memcheck)
2578 target_exec_default="valgrind"
2579 target_exec_args="--track-origins=yes --leak-check=full"
2580 ;;
2581 msvc)
2582 # Check whether the current MSVC version needs the C99 converter.
2583 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2584 # support enough of C99 to build libav. Default to the new
2585 # behaviour if the regexp was unable to match anything, since this
2586 # successfully parses the version number of existing supported
2587 # versions that require the converter (MSVC 2010 and 2012).
2588 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2589 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2590 cc_default="cl"
2591 else
2592 cc_default="c99wrap cl"
2593 fi
2594 ld_default="link"
2595 nm_default="dumpbin -symbols"
2596 ar_default="lib"
2597 target_os_default="win32"
2598 # Use a relative path for TMPDIR. This makes sure all the
2599 # ffconf temp files are written with a relative path, avoiding
2600 # issues with msys/win32 path conversion for MSVC parameters
2601 # such as -Fo<file> or -out:<file>.
2602 TMPDIR=.
2603 ;;
2604 icl)
2605 cc_default="icl"
2606 ld_default="xilink"
2607 nm_default="dumpbin -symbols"
2608 ar_default="xilib"
2609 target_os_default="win32"
2610 TMPDIR=.
2611 ;;
2612 gcov)
2613 add_cflags -fprofile-arcs -ftest-coverage
2614 add_ldflags -fprofile-arcs -ftest-coverage
2615 ;;
2616 hardened)
2617 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
2618 add_cflags -fno-strict-overflow -fstack-protector-all
2619 add_ldflags -Wl,-z,relro -Wl,-z,now
2620 ;;
2621 ?*)
2622 die "Unknown toolchain $toolchain"
2623 ;;
2624 esac
2625
2626 test -n "$cross_prefix" && enable cross_compile
2627
2628 if enabled cross_compile; then
2629 test -n "$arch" && test -n "$target_os" ||
2630 die "Must specify target arch and OS when cross-compiling"
2631 fi
2632
2633 ar_default="${cross_prefix}${ar_default}"
2634 cc_default="${cross_prefix}${cc_default}"
2635 nm_default="${cross_prefix}${nm_default}"
2636 pkg_config_default="${cross_prefix}${pkg_config_default}"
2637 ranlib="${cross_prefix}${ranlib}"
2638 strip="${cross_prefix}${strip}"
2639
2640 sysinclude_default="${sysroot}/usr/include"
2641
2642 set_default arch cc pkg_config sysinclude target_exec target_os
2643 enabled cross_compile || host_cc_default=$cc
2644 set_default host_cc
2645
2646 if ! $pkg_config --version >/dev/null 2>&1; then
2647 warn "$pkg_config not found, library detection may fail."
2648 pkg_config=false
2649 fi
2650
2651 exesuf() {
2652 case $1 in
2653 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2654 esac
2655 }
2656
2657 EXESUF=$(exesuf $target_os)
2658 HOSTEXESUF=$(exesuf $host_os)
2659
2660 # set temporary file name
2661 : ${TMPDIR:=$TEMPDIR}
2662 : ${TMPDIR:=$TMP}
2663 : ${TMPDIR:=/tmp}
2664
2665 if ! check_cmd mktemp -u XXXXXX; then
2666 # simple replacement for missing mktemp
2667 # NOT SAFE FOR GENERAL USE
2668 mktemp(){
2669 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2670 }
2671 fi
2672
2673 tmpfile(){
2674 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2675 (set -C; exec > $tmp) 2>/dev/null ||
2676 die "Unable to create temporary file in $TMPDIR."
2677 append TMPFILES $tmp
2678 eval $1=$tmp
2679 }
2680
2681 trap 'rm -f -- $TMPFILES' EXIT
2682
2683 tmpfile TMPASM .asm
2684 tmpfile TMPC .c
2685 tmpfile TMPE $EXESUF
2686 tmpfile TMPH .h
2687 tmpfile TMPO .o
2688 tmpfile TMPS .S
2689 tmpfile TMPSH .sh
2690 tmpfile TMPV .ver
2691
2692 unset -f mktemp
2693
2694 chmod +x $TMPE
2695
2696 # make sure we can execute files in $TMPDIR
2697 cat > $TMPSH 2>> $logfile <<EOF
2698 #! /bin/sh
2699 EOF
2700 chmod +x $TMPSH >> $logfile 2>&1
2701 if ! $TMPSH >> $logfile 2>&1; then
2702 cat <<EOF
2703 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2704 variable to another directory and make sure that it is not mounted noexec.
2705 EOF
2706 die "Sanity test failed."
2707 fi
2708
2709 armasm_flags(){
2710 for flag; do
2711 case $flag in
2712 # Filter out MSVC cl.exe options from cflags that shouldn't
2713 # be passed to gas-preprocessor
2714 -M[TD]*) ;;
2715 *) echo $flag ;;
2716 esac
2717 done
2718 }
2719
2720 ccc_flags(){
2721 for flag; do
2722 case $flag in
2723 -std=c99) echo -c99 ;;
2724 -mcpu=*) echo -arch ${flag#*=} ;;
2725 -mieee) echo -ieee ;;
2726 -O*|-fast) echo $flag ;;
2727 -fno-math-errno) echo -assume nomath_errno ;;
2728 -g) echo -g3 ;;
2729 -Wall) echo -msg_enable level2 ;;
2730 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2731 -Wl,*) echo $flag ;;
2732 -f*|-W*) ;;
2733 *) echo $flag ;;
2734 esac
2735 done
2736 }
2737
2738 cparser_flags(){
2739 for flag; do
2740 case $flag in
2741 -Wno-switch) echo -Wno-switch-enum ;;
2742 -Wno-format-zero-length) ;;
2743 -Wdisabled-optimization) ;;
2744 -Wno-pointer-sign) echo -Wno-other ;;
2745 *) echo $flag ;;
2746 esac
2747 done
2748 }
2749
2750 msvc_common_flags(){
2751 for flag; do
2752 case $flag in
2753 # In addition to specifying certain flags under the compiler
2754 # specific filters, they must be specified here as well or else the
2755 # generic catch all at the bottom will print the original flag.
2756 -Wall) ;;
2757 -std=c99) ;;
2758 # Common flags
2759 -fomit-frame-pointer) ;;
2760 -g) echo -Z7 ;;
2761 -fno-math-errno) ;;
2762 -fno-common) ;;
2763 -fno-signed-zeros) ;;
2764 -fPIC) ;;
2765 -mthumb) ;;
2766 -march=*) ;;
2767 -lz) echo zlib.lib ;;
2768 -lavifil32) echo vfw32.lib ;;
2769 -lavicap32) echo vfw32.lib user32.lib ;;
2770 -l*) echo ${flag#-l}.lib ;;
2771 -L*) echo -libpath:${flag#-L} ;;
2772 *) echo $flag ;;
2773 esac
2774 done
2775 }
2776
2777 msvc_flags(){
2778 msvc_common_flags "$@"
2779 for flag; do
2780 case $flag in
2781 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2782 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2783 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2784 -wd4273 -wd4554 -wd4701 ;;
2785 esac
2786 done
2787 }
2788
2789 icl_flags(){
2790 msvc_common_flags "$@"
2791 for flag; do
2792 case $flag in
2793 # Despite what Intel's documentation says -Wall, which is supported
2794 # on Windows, does enable remarks so disable them here.
2795 -Wall) echo $flag -Qdiag-disable:remark ;;
2796 -std=c99) echo -Qstd=c99 ;;
2797 esac
2798 done
2799 }
2800
2801 pgi_flags(){
2802 for flag; do
2803 case $flag in
2804 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2805 -fomit-frame-pointer) echo -Mnoframe ;;
2806 -g) echo -gopt ;;
2807 *) echo $flag ;;
2808 esac
2809 done
2810 }
2811
2812 suncc_flags(){
2813 for flag; do
2814 case $flag in
2815 -march=*|-mcpu=*)
2816 case "${flag#*=}" in
2817 native) echo -xtarget=native ;;
2818 v9|niagara) echo -xarch=sparc ;;
2819 ultrasparc) echo -xarch=sparcvis ;;
2820 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2821 i586|pentium) echo -xchip=pentium ;;
2822 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2823 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2824 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2825 pentium4*) echo -xtarget=pentium4 ;;
2826 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2827 *-sse3) echo -xarch=sse3 ;;
2828 core2) echo -xarch=ssse3 -xchip=core2 ;;
2829 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2830 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2831 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
2832 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2833 k8|opteron|athlon64|athlon-fx)
2834 echo -xarch=sse2a ;;
2835 athlon*) echo -xarch=pentium_proa ;;
2836 esac
2837 ;;
2838 -std=c99) echo -xc99 ;;
2839 -fomit-frame-pointer) echo -xregs=frameptr ;;
2840 -fPIC) echo -KPIC -xcode=pic32 ;;
2841 -W*,*) echo $flag ;;
2842 -f*-*|-W*|-mimpure-text) ;;
2843 -shared) echo -G ;;
2844 *) echo $flag ;;
2845 esac
2846 done
2847 }
2848
2849 tms470_flags(){
2850 for flag; do
2851 case $flag in
2852 -march=*|-mcpu=*)
2853 case "${flag#*=}" in
2854 armv7-a|cortex-a*) echo -mv=7a8 ;;
2855 armv7-r|cortex-r*) echo -mv=7r4 ;;
2856 armv7-m|cortex-m*) echo -mv=7m3 ;;
2857 armv6*|arm11*) echo -mv=6 ;;
2858 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2859 echo -mv=5e ;;
2860 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2861 esac
2862 ;;
2863 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2864 -mfpu=vfp) echo --float_support=vfpv2 ;;
2865 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2866 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
2867 -msoft-float) echo --float_support=vfplib ;;
2868 -O[0-3]|-mf=*) echo $flag ;;
2869 -g) echo -g -mn ;;
2870 -pds=*) echo $flag ;;
2871 -D*|-I*) echo $flag ;;
2872 --gcc|--abi=*) echo $flag ;;
2873 -me) echo $flag ;;
2874 esac
2875 done
2876 }
2877
2878 probe_cc(){
2879 pfx=$1
2880 _cc=$2
2881
2882 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2883 unset _ld_o _ldflags _ld_lib _ld_path
2884 unset _depflags _DEPCMD _DEPFLAGS
2885 _flags_filter=echo
2886
2887 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2888 _type=llvm_gcc
2889 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2890 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2891 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2892 _cflags_speed='-O3'
2893 _cflags_size='-Os'
2894 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2895 _type=gcc
2896 gcc_version=$($_cc --version | head -n1)
2897 gcc_basever=$($_cc -dumpversion)
2898 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2899 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2900 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2901 if ! $_cc -dumpversion | grep -q '^2\.'; then
2902 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2903 fi
2904 _cflags_speed='-O3'
2905 _cflags_size='-Os'
2906 elif $_cc --version 2>/dev/null | grep -q ^icc; then
2907 _type=icc
2908 _ident=$($_cc --version | head -n1)
2909 _depflags='-MMD'
2910 _cflags_speed='-O3'
2911 _cflags_size='-Os'
2912 _cflags_noopt='-O1'
2913 elif $_cc -v 2>&1 | grep -q xlc; then
2914 _type=xlc
2915 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2916 _cflags_speed='-O5'
2917 _cflags_size='-O5 -qcompact'
2918 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2919 _type=ccc
2920 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2921 _DEPFLAGS='-M'
2922 _cflags_speed='-fast'
2923 _cflags_size='-O1'
2924 _flags_filter=ccc_flags
2925 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
2926 test -d "$sysroot" || die "No valid sysroot specified."
2927 _type=armcc
2928 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
2929 armcc_conf="$PWD/armcc.conf"
2930 $_cc --arm_linux_configure \
2931 --arm_linux_config_file="$armcc_conf" \
2932 --configure_sysroot="$sysroot" \
2933 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2934 die "Error creating armcc configuration file."
2935 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2936 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2937 as_default="${cross_prefix}gcc"
2938 _depflags='-MMD'
2939 _cflags_speed='-O3'
2940 _cflags_size='-Os'
2941 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2942 _type=tms470
2943 _ident=$($_cc -version | head -n1 | tr -s ' ')
2944 _flags='--gcc --abi=eabi -me'
2945 _cc_e='-ppl -fe=$@'
2946 _cc_o='-fe=$@'
2947 _depflags='-ppa -ppd=$(@:.o=.d)'
2948 _cflags_speed='-O3 -mf=5'
2949 _cflags_size='-O3 -mf=2'
2950 _flags_filter=tms470_flags
2951 elif $_cc -v 2>&1 | grep -q clang; then
2952 _type=clang
2953 _ident=$($_cc --version | head -n1)
2954 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2955 _cflags_speed='-O3'
2956 _cflags_size='-Os'
2957 elif $_cc -V 2>&1 | grep -q Sun; then
2958 _type=suncc
2959 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2960 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2961 _DEPFLAGS='-xM1 -xc99'
2962 _ldflags='-std=c99'
2963 _cflags_speed='-O5'
2964 _cflags_size='-O5 -xspace'
2965 _flags_filter=suncc_flags
2966 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2967 _type=pathscale
2968 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2969 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2970 _cflags_speed='-O2'
2971 _cflags_size='-Os'
2972 _flags_filter='filter_out -Wdisabled-optimization'
2973 elif $_cc -v 2>&1 | grep -q Open64; then
2974 _type=open64
2975 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2976 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2977 _cflags_speed='-O2'
2978 _cflags_size='-Os'
2979 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2980 elif $_cc -V 2>&1 | grep -q Portland; then
2981 _type=pgi
2982 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2983 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
2984 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2985 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2986 _cflags_noopt="-O1"
2987 _flags_filter=pgi_flags
2988 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
2989 _type=armasm
2990 _ident=$($_cc | head -n1)
2991 # 4509: "This form of conditional instruction is deprecated"
2992 _flags="-nologo -ignore 4509"
2993 _flags_filter=armasm_flags
2994 elif $_cc 2>&1 | grep -q Microsoft; then
2995 _type=msvc
2996 _ident=$($_cc 2>&1 | head -n1)
2997 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2998 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2999 _cflags_speed="-O2"
3000 _cflags_size="-O1"
3001 if $_cc 2>&1 | grep -q Linker; then
3002 _ld_o='-out:$@'
3003 else
3004 _ld_o='-Fe$@'
3005 fi
3006 _cc_o='-Fo$@'
3007 _cc_e='-P -Fi$@'
3008 _flags_filter=msvc_flags
3009 _ld_lib='lib%.a'
3010 _ld_path='-libpath:'
3011 _flags='-nologo'
3012 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3013 if [ $pfx = hostcc ]; then
3014 append _cflags -Dsnprintf=_snprintf
3015 fi
3016 elif $_cc 2>&1 | grep -q Intel; then
3017 _type=icl
3018 _ident=$($_cc 2>&1 | head -n1)
3019 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3020 # Not only is O3 broken on 13.x+ but it is slower on all previous
3021 # versions (tested) as well.
3022 _cflags_speed="-O2"
3023 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3024 if $_cc 2>&1 | grep -q Linker; then
3025 _ld_o='-out:$@'
3026 else
3027 _ld_o='-Fe$@'
3028 fi
3029 _cc_o='-Fo$@'
3030 _cc_e='-P'
3031 _flags_filter=icl_flags
3032 _ld_lib='lib%.a'
3033 _ld_path='-libpath:'
3034 # -Qdiag-error to make icl error when seeing certain unknown arguments
3035 _flags='-nologo -Qdiag-error:4044,10157'
3036 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3037 # with MSVC which enables it by default.
3038 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
3039 if [ $pfx = hostcc ]; then
3040 append _cflags -Dsnprintf=_snprintf
3041 fi
3042 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3043 _type=cparser
3044 _ident=$($_cc --version | head -n1)
3045 _depflags='-MMD'
3046 _cflags_speed='-O4'
3047 _cflags_size='-O2'
3048 _flags_filter=cparser_flags
3049 fi
3050
3051 eval ${pfx}_type=\$_type
3052 eval ${pfx}_ident=\$_ident
3053 }
3054
3055 set_ccvars(){
3056 eval ${1}_C=\${_cc_c-\${${1}_C}}
3057 eval ${1}_E=\${_cc_e-\${${1}_E}}
3058 eval ${1}_O=\${_cc_o-\${${1}_O}}
3059
3060 if [ -n "$_depflags" ]; then
3061 eval ${1}_DEPFLAGS=\$_depflags
3062 else
3063 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3064 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3065 eval DEP${1}FLAGS=\$_flags
3066 fi
3067 }
3068
3069 probe_cc cc "$cc"
3070 cflags_filter=$_flags_filter
3071 cflags_speed=$_cflags_speed
3072 cflags_size=$_cflags_size
3073 cflags_noopt=$_cflags_noopt
3074 add_cflags $_flags $_cflags
3075 cc_ldflags=$_ldflags
3076 set_ccvars CC
3077
3078 probe_cc hostcc "$host_cc"
3079 host_cflags_filter=$_flags_filter
3080 add_host_cflags $_flags $_cflags
3081 set_ccvars HOSTCC
3082
3083 test -n "$cc_type" && enable $cc_type ||
3084 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3085
3086 : ${as_default:=$cc}
3087 : ${dep_cc_default:=$cc}
3088 : ${ld_default:=$cc}
3089 : ${host_ld_default:=$host_cc}
3090 set_default ar as dep_cc ld host_ld
3091
3092 probe_cc as "$as"
3093 asflags_filter=$_flags_filter
3094 add_asflags $_flags $_cflags
3095 set_ccvars AS
3096
3097 probe_cc ld "$ld"
3098 ldflags_filter=$_flags_filter
3099 add_ldflags $_flags $_ldflags
3100 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3101 LD_O=${_ld_o-$LD_O}
3102 LD_LIB=${_ld_lib-$LD_LIB}
3103 LD_PATH=${_ld_path-$LD_PATH}
3104
3105 probe_cc hostld "$host_ld"
3106 host_ldflags_filter=$_flags_filter
3107 add_host_ldflags $_flags $_ldflags
3108 HOSTLD_O=${_ld_o-$HOSTLD_O}
3109
3110 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3111 probe_cc depcc "$dep_cc"
3112 CCDEP=${_DEPCMD:-$DEPCMD}
3113 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3114 DEPCCFLAGS=$_flags
3115 fi
3116
3117 if $ar 2>&1 | grep -q Microsoft; then
3118 arflags="-nologo"
3119 ar_o='-out:$@'
3120 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3121 arflags="rq"
3122 ar_o='$@'
3123 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3124 arflags='-Xany -r -c'
3125 ar_o='$@'
3126 else
3127 arflags="rc"
3128 ar_o='$@'
3129 fi
3130
3131 add_cflags $extra_cflags
3132 add_asflags $extra_cflags
3133
3134 if test -n "$sysroot"; then
3135 case "$cc_type" in
3136 gcc|llvm_gcc|clang)
3137 add_cppflags --sysroot="$sysroot"
3138 add_ldflags --sysroot="$sysroot"
3139 ;;
3140 tms470)
3141 add_cppflags -I"$sysinclude"
3142 add_ldflags --sysroot="$sysroot"
3143 ;;
3144 esac
3145 fi
3146
3147 if test "$cpu" = host; then
3148 enabled cross_compile &&
3149 die "--cpu=host makes no sense when cross-compiling."
3150
3151 case "$cc_type" in
3152 gcc|llvm_gcc)
3153 check_native(){
3154 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3155 sed -n "/cc1.*$1=/{
3156 s/.*$1=\\([^ ]*\\).*/\\1/
3157 p
3158 q
3159 }" $TMPE
3160 }
3161 cpu=$(check_native -march || check_native -mcpu)
3162 ;;
3163 esac
3164
3165 test "${cpu:-host}" = host &&
3166 die "--cpu=host not supported with compiler $cc"
3167 fi
3168
3169 # Deal with common $arch aliases
3170 case "$arch" in
3171 aarch64|arm64)
3172 arch="aarch64"
3173 ;;
3174 arm*)
3175 arch="arm"
3176 ;;
3177 mips*|IP*)
3178 arch="mips"
3179 ;;
3180 parisc*|hppa*)
3181 arch="parisc"
3182 ;;
3183 "Power Macintosh"|ppc*|powerpc*)
3184 arch="ppc"
3185 ;;
3186 s390|s390x)
3187 arch="s390"
3188 ;;
3189 sh4|sh)
3190 arch="sh4"
3191 ;;
3192 sun4u|sparc*)
3193 arch="sparc"
3194 ;;
3195 tilegx|tile-gx)
3196 arch="tilegx"
3197 ;;
3198 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3199 arch="x86"
3200 ;;
3201 esac
3202
3203 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3204 enable $arch
3205
3206 # Add processor-specific flags
3207 if enabled aarch64; then
3208
3209 case $cpu in
3210 armv*)
3211 cpuflags="-march=$cpu"
3212 ;;
3213 *)
3214 cpuflags="-mcpu=$cpu"
3215 ;;
3216 esac
3217
3218 elif enabled alpha; then
3219
3220 cpuflags="-mcpu=$cpu"
3221
3222 elif enabled arm; then
3223
3224 check_arm_arch() {
3225 check_cpp_condition stddef.h \
3226 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3227 $cpuflags
3228 }
3229
3230 probe_arm_arch() {
3231 if check_arm_arch 4; then echo armv4;
3232 elif check_arm_arch 4T; then echo armv4t;
3233 elif check_arm_arch 5; then echo armv5;
3234 elif check_arm_arch 5E; then echo armv5e;
3235 elif check_arm_arch 5T; then echo armv5t;
3236 elif check_arm_arch 5TE; then echo armv5te;
3237 elif check_arm_arch 5TEJ; then echo armv5te;
3238 elif check_arm_arch 6; then echo armv6;
3239 elif check_arm_arch 6J; then echo armv6j;
3240 elif check_arm_arch 6K; then echo armv6k;
3241 elif check_arm_arch 6Z; then echo armv6z;
3242 elif check_arm_arch 6ZK; then echo armv6zk;
3243 elif check_arm_arch 6T2; then echo armv6t2;
3244 elif check_arm_arch 7; then echo armv7;
3245 elif check_arm_arch 7A 7_A; then echo armv7-a;
3246 elif check_arm_arch 7S; then echo armv7-a;
3247 elif check_arm_arch 7R 7_R; then echo armv7-r;
3248 elif check_arm_arch 7M 7_M; then echo armv7-m;
3249 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3250 elif check_arm_arch 8A 8_A; then echo armv8-a;
3251 fi
3252 }
3253
3254 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3255
3256 case $cpu in
3257 armv*)
3258 cpuflags="-march=$cpu"
3259 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3260 ;;
3261 *)
3262 cpuflags="-mcpu=$cpu"
3263 case $cpu in
3264 cortex-a*) subarch=armv7a ;;
3265 cortex-r*) subarch=armv7r ;;
3266 cortex-m*) enable thumb; subarch=armv7m ;;
3267 arm11*) subarch=armv6 ;;
3268 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3269 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3270 *) subarch=$(probe_arm_arch) ;;
3271 esac
3272 ;;
3273 esac
3274
3275 case "$subarch" in
3276 armv5t*) enable fast_clz ;;
3277 armv[6-8]*) enable fast_clz fast_unaligned ;;
3278 esac
3279
3280 elif enabled avr32; then
3281
3282 case $cpu in
3283 ap7[02]0[0-2])
3284 subarch="avr32_ap"
3285 cpuflags="-mpart=$cpu"
3286 ;;
3287 ap)
3288 subarch="avr32_ap"
3289 cpuflags="-march=$cpu"
3290 ;;
3291 uc3[ab]*)
3292 subarch="avr32_uc"
3293 cpuflags="-mcpu=$cpu"
3294 ;;
3295 uc)
3296 subarch="avr32_uc"
3297 cpuflags="-march=$cpu"
3298 ;;
3299 esac
3300
3301 elif enabled bfin; then
3302
3303 cpuflags="-mcpu=$cpu"
3304
3305 elif enabled mips; then
3306
3307 cpuflags="-march=$cpu"
3308
3309 elif enabled ppc; then
3310
3311 disable ldbrx
3312
3313 case $(tolower $cpu) in
3314 601|ppc601|powerpc601)
3315 cpuflags="-mcpu=601"
3316 disable altivec
3317 ;;
3318 603*|ppc603*|powerpc603*)
3319 cpuflags="-mcpu=603"
3320 disable altivec
3321 ;;
3322 604*|ppc604*|powerpc604*)
3323 cpuflags="-mcpu=604"
3324 disable altivec
3325 ;;
3326 g3|75*|ppc75*|powerpc75*)
3327 cpuflags="-mcpu=750"
3328 disable altivec
3329 ;;
3330 g4|745*|ppc745*|powerpc745*)
3331 cpuflags="-mcpu=7450"
3332 disable vsx
3333 ;;
3334 74*|ppc74*|powerpc74*)
3335 cpuflags="-mcpu=7400"
3336 disable vsx
3337 ;;
3338 g5|970|ppc970|powerpc970)
3339 cpuflags="-mcpu=970"
3340 disable vsx
3341 ;;
3342 power[3-6]*)
3343 cpuflags="-mcpu=$cpu"
3344 disable vsx
3345 ;;
3346 power[7-8]*)
3347 cpuflags="-mcpu=$cpu"
3348 enable ldbrx
3349 ;;
3350 cell)
3351 cpuflags="-mcpu=cell"
3352 enable ldbrx
3353 disable vsx
3354 ;;
3355 e500mc)
3356 cpuflags="-mcpu=e500mc"
3357 disable altivec
3358 ;;
3359 e500v2)
3360 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3361 disable altivec
3362 disable dcbzl
3363 ;;
3364 e500)
3365 cpuflags="-mcpu=8540 -mhard-float"
3366 disable altivec
3367 disable dcbzl
3368 ;;
3369 esac
3370
3371 elif enabled sparc; then
3372
3373 case $cpu in
3374 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3375 cpuflags="-mcpu=$cpu"
3376 ;;
3377 ultrasparc*|niagara[234])
3378 cpuflags="-mcpu=$cpu"
3379 ;;
3380 esac
3381
3382 elif enabled x86; then
3383
3384 case $cpu in
3385 i[345]86|pentium)
3386 cpuflags="-march=$cpu"
3387 disable i686
3388 disable mmx
3389 ;;
3390 # targets that do NOT support nopl and conditional mov (cmov)
3391 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3392 cpuflags="-march=$cpu"
3393 disable i686
3394 ;;
3395 # targets that do support nopl and conditional mov (cmov)
3396 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3397 cpuflags="-march=$cpu"
3398 enable i686
3399 enable fast_cmov
3400 ;;
3401 # targets that do support conditional mov but on which it's slow
3402 pentium4|pentium4m|prescott|nocona)
3403 cpuflags="-march=$cpu"
3404 enable i686
3405 disable fast_cmov
3406 ;;
3407 esac
3408
3409 fi
3410
3411 if [ "$cpu" != generic ]; then
3412 add_cflags $cpuflags
3413 add_asflags $cpuflags
3414 fi
3415
3416 # compiler sanity check
3417 check_exec <<EOF
3418 int main(void){ return 0; }
3419 EOF
3420 if test "$?" != 0; then
3421 echo "$cc is unable to create an executable file."
3422 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3423 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3424 echo "Only do this if you know what cross compiling means."
3425 fi
3426 die "C compiler test failed."
3427 fi
3428
3429 add_cppflags -D_ISOC99_SOURCE
3430 check_cflags -std=c99
3431 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3432 #include <stdlib.h>
3433 EOF
3434 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3435 #include <stdlib.h>
3436 EOF
3437
3438 add_host_cppflags -D_ISOC99_SOURCE
3439 check_host_cflags -std=c99
3440 check_host_cflags -Wall
3441 check_host_cflags -O3
3442
3443 check_64bit(){
3444 arch32=$1
3445 arch64=$2
3446 expr=$3
3447 check_code cc "" "int test[2*($expr) - 1]" &&
3448 subarch=$arch64 || subarch=$arch32
3449 }
3450
3451 case "$arch" in
3452 aarch64|alpha|ia64)
3453 spic=$shared
3454 ;;
3455 mips)
3456 check_64bit mips mips64 '_MIPS_SIM > 1'
3457 spic=$shared
3458 ;;
3459 parisc)
3460 check_64bit parisc parisc64 'sizeof(void *) > 4'
3461 spic=$shared
3462 ;;
3463 ppc)
3464 check_64bit ppc ppc64 'sizeof(void *) > 4'
3465 spic=$shared
3466 ;;
3467 s390)
3468 check_64bit s390 s390x 'sizeof(void *) > 4'
3469 spic=$shared
3470 ;;
3471 sparc)
3472 check_64bit sparc sparc64 'sizeof(void *) > 4'
3473 spic=$shared
3474 ;;
3475 x86)
3476 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3477 if test "$subarch" = "x86_64"; then
3478 spic=$shared
3479 fi
3480 ;;
3481 esac
3482
3483 enable $subarch
3484 enabled spic && enable_weak pic
3485
3486 # OS specific
3487 case $target_os in
3488 aix)
3489 SHFLAGS=-shared
3490 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3491 enabled shared && add_ldflags -Wl,-brtl
3492 ;;
3493 android)
3494 disable symver
3495 enable section_data_rel_ro
3496 SLIB_INSTALL_NAME='$(SLIBNAME)'
3497 SLIB_INSTALL_LINKS=
3498 # soname not set on purpose
3499 SHFLAGS=-shared
3500 ;;
3501 haiku)
3502 prefix_default="/boot/common"
3503 network_extralibs="-lnetwork"
3504 host_libs=
3505 ;;
3506 sunos)
3507 SHFLAGS='-shared -Wl,-h,$$(@F)'
3508 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3509 network_extralibs="-lsocket -lnsl"
3510 # When using suncc to build, the Solaris linker will mark
3511 # an executable with each instruction set encountered by
3512 # the Solaris assembler. As our libraries contain their own
3513 # guards for processor-specific code, instead suppress
3514 # generation of the HWCAPS ELF section on Solaris x86 only.
3515 enabled_all suncc x86 &&
3516 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3517 add_ldflags -Wl,-M,mapfile
3518 nm_default='nm -P -g'
3519 ;;
3520 netbsd)
3521 disable symver
3522 oss_indev_extralibs="-lossaudio"
3523 oss_outdev_extralibs="-lossaudio"
3524 ;;
3525 openbsd|bitrig)
3526 disable symver
3527 SHFLAGS='-shared'
3528 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3529 SLIB_INSTALL_LINKS=
3530 oss_indev_extralibs="-lossaudio"
3531 oss_outdev_extralibs="-lossaudio"
3532 ;;
3533 dragonfly)
3534 disable symver
3535 ;;
3536 freebsd)
3537 ;;
3538 bsd/os)
3539 add_extralibs -lpoll -lgnugetopt
3540 ;;
3541 darwin)
3542 enabled ppc && add_asflags -force_cpusubtype_ALL
3543 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3544 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3545 add_ldflags -Wl,-dynamic,-search_paths_first
3546 SLIBSUF=".dylib"
3547 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3548 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3549 objformat="macho"
3550 enabled x86_64 && objformat="macho64"
3551 enabled_any pic shared ||
3552 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3553 ;;
3554 mingw32*)
3555 if test $target_os = "mingw32ce"; then
3556 disable network
3557 else
3558 target_os=mingw32
3559 fi
3560 LIBTARGET=i386
3561 if enabled x86_64; then
3562 LIBTARGET="i386:x86-64"
3563 elif enabled arm; then
3564 LIBTARGET=arm-wince
3565 fi
3566 check_ldflags -Wl,--nxcompat
3567 check_ldflags -Wl,--dynamicbase
3568 shlibdir_default="$bindir_default"
3569 SLIBPREF=""
3570 SLIBSUF=".dll"
3571 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3572 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3573 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3574 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3575 SLIB_INSTALL_LINKS=
3576 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3577 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3578 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3579 objformat="win32"
3580 dlltool="${cross_prefix}dlltool"
3581 ranlib=:
3582 enable dos_paths
3583 ;;
3584 win32|win64)
3585 disable symver
3586 if enabled shared; then
3587 # Link to the import library instead of the normal static library
3588 # for shared libs.
3589 LD_LIB='%.lib'
3590 # Cannot build both shared and static libs with MSVC or icl.
3591 disable static
3592 fi
3593 shlibdir_default="$bindir_default"
3594 SLIBPREF=""
3595 SLIBSUF=".dll"
3596 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3597 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3598 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3599 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3600 SLIB_INSTALL_LINKS=
3601 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3602 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3603 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3604 objformat="win32"
3605 ranlib=:
3606 enable dos_paths
3607 ;;
3608 cygwin*)
3609 target_os=cygwin
3610 shlibdir_default="$bindir_default"
3611 SLIBPREF="cyg"
3612 SLIBSUF=".dll"
3613 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3614 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3615 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3616 SLIB_INSTALL_LINKS=
3617 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3618 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3619 objformat="win32"
3620 enable dos_paths
3621 ;;
3622 *-dos|freedos|opendos)
3623 network_extralibs="-lsocket"
3624 objformat="coff"
3625 enable dos_paths
3626 add_cppflags -U__STRICT_ANSI__
3627 ;;
3628 linux)
3629 enable dv1394
3630 enable section_data_rel_ro
3631 ;;
3632 irix*)
3633 target_os=irix
3634 ranlib="echo ignoring ranlib"
3635 ;;
3636 os/2*)
3637 ln_s="cp -f"
3638 objformat="aout"
3639 add_cppflags -D_GNU_SOURCE
3640 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3641 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3642 LIBSUF="_s.a"
3643 SLIBPREF=""
3644 SLIBSUF=".dll"
3645 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3646 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3647 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3648 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3649 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3650 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3651 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3652 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3653 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3654 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3655 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3656 enable dos_paths
3657 ;;
3658 gnu/kfreebsd)
3659 add_cppflags -D_BSD_SOURCE
3660 ;;
3661 gnu)
3662 ;;
3663 qnx)
3664 add_cppflags -D_QNX_SOURCE
3665 network_extralibs="-lsocket"
3666 ;;
3667 symbian)
3668 SLIBSUF=".dll"
3669 enable dos_paths
3670 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3671 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3672 add_ldflags -Wl,--target1-abs,--no-undefined \
3673 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3674 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3675 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3676 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3677 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3678 ;;
3679 osf1)
3680 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3681 ;;
3682 minix)
3683 ;;
3684 plan9)
3685 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3686 -D_REENTRANT_SOURCE \
3687 -D_RESEARCH_SOURCE \
3688 -DFD_SETSIZE=96 \
3689 -DHAVE_SOCK_OPTS
3690 add_compat strtod.o strtod=avpriv_strtod
3691 network_extralibs='-lbsd'
3692 exeobjs=compat/plan9/main.o
3693 cp_f='cp'
3694 ;;
3695 none)
3696 ;;
3697 *)
3698 die "Unknown OS '$target_os'."
3699 ;;
3700 esac
3701
3702 # determine libc flavour
3703
3704 probe_libc(){
3705 pfx=$1
3706 pfx_no_=${pfx%_}
3707 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3708 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
3709 eval ${pfx}libc_type=uclibc
3710 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3711 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
3712 eval ${pfx}libc_type=glibc
3713 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3714 # MinGW headers can be installed on Cygwin, so check for newlib first.
3715 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3716 eval ${pfx}libc_type=newlib
3717 add_${pfx}cppflags -U__STRICT_ANSI__
3718 # MinGW64 is backwards compatible with MinGW32, so check for it first.
3719 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
3720 eval ${pfx}libc_type=mingw64
3721 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3722 eval test \$${pfx_no_}cc_type = "gcc" &&
3723 add_${pfx}cppflags -D__printf__=__gnu_printf__
3724 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
3725 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
3726 eval ${pfx}libc_type=mingw32
3727 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
3728 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3729 die "ERROR: MinGW32 runtime version must be >= 3.15."
3730 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3731 eval test \$${pfx_no_}cc_type = "gcc" &&
3732 add_${pfx}cppflags -D__printf__=__gnu_printf__
3733 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
3734 eval ${pfx}libc_type=msvcrt
3735 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3736 # 0x601 by default unless something else is set by the user.
3737 # This can easily lead to us detecting functions only present
3738 # in such new versions and producing binaries requiring windows 7.0.
3739 # Therefore explicitly set the default to XP unless the user has
3740 # set something else on the command line.
3741 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
3742 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
3743 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
3744 eval ${pfx}libc_type=klibc
3745 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3746 eval ${pfx}libc_type=bionic
3747 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
3748 eval ${pfx}libc_type=solaris
3749 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3750 else
3751 eval ${pfx}libc_type=default
3752 add_${pfx}cppflags -D_DEFAULT_SOURCE
3753 fi
3754 }
3755
3756 probe_libc
3757 test -n "$libc_type" && enable libc_$libc_type
3758 probe_libc host_
3759 test -n "$host_libc_type" && enable host_libc_$host_libc_type
3760
3761 case $libc_type in
3762 bionic)
3763 add_compat strtod.o strtod=avpriv_strtod
3764 ;;
3765 msvcrt)
3766 add_compat strtod.o strtod=avpriv_strtod
3767 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3768 _snprintf=avpriv_snprintf \
3769 vsnprintf=avpriv_vsnprintf
3770 ;;
3771 esac
3772
3773 # hacks for compiler/libc/os combinations
3774
3775 if enabled_all tms470 libc_glibc; then
3776 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3777 add_cppflags -D__USER_LABEL_PREFIX__=
3778 add_cppflags -D__builtin_memset=memset
3779 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3780 add_cflags -pds=48 # incompatible redefinition of macro
3781 fi
3782
3783 if enabled_all ccc libc_glibc; then
3784 add_ldflags -Wl,-z,now # calls to libots crash without this
3785 fi
3786
3787 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
3788 add_cppflags '-I\$(SRC_PATH)/compat/float'
3789
3790 esc(){
3791 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3792 }
3793
3794 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
3795
3796 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
3797
3798 set_default $PATHS_LIST
3799 set_default nm
3800
3801 # we need to build at least one lib type
3802 if ! enabled_any static shared; then
3803 cat <<EOF
3804 At least one library type must be built.
3805 Specify --enable-static to build the static libraries or --enable-shared to
3806 build the shared libraries as well. To only build the shared libraries specify
3807 --disable-static in addition to --enable-shared.
3808 EOF
3809 exit 1;
3810 fi
3811
3812 die_license_disabled() {
3813 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3814 }
3815
3816 die_license_disabled gpl libcdio
3817 die_license_disabled gpl libx264
3818 die_license_disabled gpl libx265
3819 die_license_disabled gpl libxavs
3820 die_license_disabled gpl libxvid
3821 die_license_disabled gpl x11grab
3822
3823 die_license_disabled nonfree libfaac
3824 die_license_disabled nonfree libfdk_aac
3825 die_license_disabled nonfree openssl
3826
3827 die_license_disabled version3 libopencore_amrnb
3828 die_license_disabled version3 libopencore_amrwb
3829 die_license_disabled version3 libvo_aacenc
3830 die_license_disabled version3 libvo_amrwbenc
3831
3832 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3833
3834 disabled optimizations || check_cflags -fomit-frame-pointer
3835
3836 enable_weak_pic() {
3837 disabled pic && return
3838 enable pic
3839 add_cppflags -DPIC
3840 case "$target_os" in
3841 mingw*|cygwin*)
3842 ;;
3843 *)
3844 add_cflags -fPIC
3845 ;;
3846 esac
3847 add_asflags -fPIC
3848 }
3849
3850 enabled pic && enable_weak_pic
3851
3852 check_cc <<EOF || die "Symbol mangling check failed."
3853 int ff_extern;
3854 EOF
3855 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3856 extern_prefix=${sym%%ff_extern*}
3857
3858 check_cc <<EOF && enable_weak inline_asm
3859 void foo(void) { __asm__ volatile ("" ::); }
3860 EOF
3861
3862 _restrict=
3863 for restrict_keyword in restrict __restrict__ __restrict; do
3864 check_cc <<EOF && _restrict=$restrict_keyword && break
3865 void foo(char * $restrict_keyword p);
3866 EOF
3867 done
3868
3869 check_cc <<EOF && enable pragma_deprecated
3870 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
3871 EOF
3872
3873 check_cc <<EOF && enable attribute_packed
3874 struct { int x; } __attribute__((packed)) x;
3875 EOF
3876
3877 check_cc <<EOF && enable attribute_may_alias
3878 union { int x; } __attribute__((may_alias)) x;
3879 EOF
3880
3881 check_cc <<EOF || die "endian test failed"
3882 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3883 EOF
3884 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3885
3886 check_gas() {
3887 log "check_gas using '$as' as AS"
3888 # :vararg is used on aarch64, arm and ppc altivec
3889 check_as <<EOF || return 1
3890 .macro m n, y:vararg=0
3891 \n: .int \y
3892 .endm
3893 m x
3894 EOF
3895 # .altmacro is only used in arm asm
3896 ! enabled arm || check_as <<EOF || return 1
3897 .altmacro
3898 EOF
3899 enable gnu_as
3900 return 0
3901 }
3902
3903 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
3904 nogas=:
3905 enabled_any arm aarch64 && nogas=die
3906 enabled_all ppc altivec && nogas=warn
3907 as_noop=-v
3908
3909 case $as_type in
3910 arm*) gaspp_as_type=armasm; as_noop=-h ;;
3911 gcc) gaspp_as_type=gas ;;
3912 *) gaspp_as_type=$as_type ;;
3913 esac
3914
3915 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
3916
3917 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- $as $as_noop &&
3918 gas="gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- $as"
3919
3920 if ! check_gas ; then
3921 as=${gas:=$as}
3922 check_gas || \
3923 $nogas "GNU assembler not found, install/update gas-preprocessor"
3924 fi
3925
3926 check_as <<EOF && enable as_func
3927 .func test
3928 .endfunc
3929 EOF
3930 fi
3931
3932 check_inline_asm inline_asm_labels '"1:\n"'
3933
3934 if enabled aarch64; then
3935 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
3936 # internal assembler in clang 3.3 does not support this instruction
3937 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
3938 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
3939
3940 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
3941
3942 elif enabled alpha; then
3943
3944 check_cflags -mieee
3945
3946 elif enabled arm; then
3947
3948 check_cpp_condition stddef.h "defined __thumb__" && enable_weak thumb
3949 enabled thumb && check_cflags -mthumb || check_cflags -marm
3950
3951 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3952 enable vfp_args
3953 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3954 case "${cross_prefix:-$cc}" in
3955 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3956 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3957 __asm__ (".eabi_attribute 28, 1");
3958 int main(void) { return 0; }
3959 EOF
3960 esac
3961 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3962 fi
3963
3964 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
3965 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
3966 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
3967 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
3968 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
3969 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
3970
3971 [ $target_os = linux ] || [ $target_os = android ] ||
3972 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
3973 $ARCH_EXT_LIST_ARM
3974
3975 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3976
3977 check_as <<EOF && enable as_dn_directive
3978 ra .dn d0.i16
3979 .unreq ra
3980 EOF
3981
3982 # llvm's integrated assembler supports .object_arch from llvm 3.5
3983 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
3984 .object_arch armv4
3985 EOF
3986
3987 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
3988
3989 elif enabled mips; then
3990
3991 check_inline_asm loongson '"dmult.g $1, $2, $3"'
3992
3993 elif enabled parisc; then
3994
3995 if enabled gcc; then
3996 case $($cc -dumpversion) in
3997 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
3998 esac
3999 fi
4000
4001 elif enabled ppc; then
4002
4003 enable local_aligned_8 local_aligned_16
4004
4005 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4006 check_inline_asm ibm_asm '"add 0, 0, 0"'
4007 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4008 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4009
4010 # AltiVec flags: The FSF version of GCC differs from the Apple version
4011 if enabled altivec; then
4012 check_cflags -maltivec -mabi=altivec &&
4013 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4014 check_cflags -faltivec
4015
4016 # check if our compiler supports Motorola AltiVec C API
4017 check_cc <<EOF || disable altivec
4018 $inc_altivec_h
4019 int main(void) {
4020 vector signed int v1 = (vector signed int) { 0 };
4021 vector signed int v2 = (vector signed int) { 1 };
4022 v1 = vec_add(v1, v2);
4023 return 0;
4024 }
4025 EOF
4026
4027 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4028 fi
4029
4030 if enabled vsx; then
4031 check_cflags -mvsx &&
4032 check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx
4033 fi
4034
4035 if enabled power8; then
4036 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
4037 fi
4038
4039 elif enabled x86; then
4040
4041 check_builtin rdtsc intrin.h "__rdtsc()"
4042 check_builtin mm_empty mmintrin.h "_mm_empty()"
4043
4044 enable local_aligned_8 local_aligned_16
4045
4046 # check whether EBP is available on x86
4047 # As 'i' is stored on the stack, this program will crash
4048 # if the base pointer is used to access it because the
4049 # base pointer is cleared in the inline assembly code.
4050 check_exec_crash <<EOF && enable ebp_available
4051 volatile int i=0;
4052 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4053 return i;
4054 EOF
4055
4056 # check whether EBX is available on x86
4057 check_inline_asm ebx_available '""::"b"(0)' &&
4058 check_inline_asm ebx_available '"":::"%ebx"'
4059
4060 # check whether xmm clobbers are supported
4061 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4062
4063 # check whether binutils is new enough to compile SSSE3/MMXEXT
4064 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4065 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4066
4067 if ! disabled_any asm mmx yasm; then
4068 if check_cmd $yasmexe --version; then
4069 enabled x86_64 && yasm_extra="-m amd64"
4070 yasm_debug="-g dwarf2"
4071 elif check_cmd nasm -v; then
4072 yasmexe=nasm
4073 yasm_debug="-g -F dwarf"
4074 enabled x86_64 && test "$objformat" = elf && objformat=elf64
4075 fi
4076
4077 YASMFLAGS="-f $objformat $yasm_extra"
4078 enabled pic && append YASMFLAGS "-DPIC"
4079 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4080 case "$objformat" in
4081 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4082 esac
4083
4084 check_yasm "movbe ecx, [5]" && enable yasm ||
4085 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4086 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
4087 check_yasm "vfmadd132ps ymm0, ymm1, ymm2" || disable fma3_external
4088 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4089 check_yasm "CPU amdnop" || disable cpunop
4090 fi
4091
4092 case "$cpu" in
4093 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4094 disable fast_clz
4095 ;;
4096 esac
4097
4098 fi
4099
4100 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
4101
4102 check_ldflags -Wl,--as-needed
4103
4104 if check_func dlopen; then
4105 ldl=
4106 elif check_func dlopen -ldl; then
4107 ldl=-ldl
4108 fi
4109
4110 if ! disabled network; then
4111 check_func getaddrinfo $network_extralibs
4112 check_func getservbyport $network_extralibs
4113 check_func inet_aton $network_extralibs
4114
4115 check_type netdb.h "struct addrinfo"
4116 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4117 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4118 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4119 check_type poll.h "struct pollfd"
4120 check_type netinet/sctp.h "struct sctp_event_subscribe"
4121 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4122 check_type netinet/in.h "struct sockaddr_in6"
4123 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4124 check_type "sys/types.h sys/socket.h" socklen_t
4125
4126 # Prefer arpa/inet.h over winsock2
4127 if check_header arpa/inet.h ; then
4128 check_func closesocket
4129 elif check_header winsock2.h ; then
4130 check_func_headers winsock2.h closesocket -lws2 &&
4131 network_extralibs="-lws2" ||
4132 { check_func_headers winsock2.h closesocket -lws2_32 &&
4133 network_extralibs="-lws2_32"; } || disable winsock2_h network
4134 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4135
4136 check_type ws2tcpip.h socklen_t
4137 check_type ws2tcpip.h "struct addrinfo"
4138 check_type ws2tcpip.h "struct group_source_req"
4139 check_type ws2tcpip.h "struct ip_mreq_source"
4140 check_type ws2tcpip.h "struct ipv6_mreq"
4141 check_type winsock2.h "struct pollfd"
4142 check_struct winsock2.h "struct sockaddr" sa_len
4143 check_type ws2tcpip.h "struct sockaddr_in6"
4144 check_type ws2tcpip.h "struct sockaddr_storage"
4145 else
4146 disable network
4147 fi
4148 fi
4149
4150 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4151 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4152 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4153 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4154
4155 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4156 check_func ${malloc_prefix}memalign && enable memalign
4157 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4158
4159 check_cpp_condition unistd.h "defined(_POSIX_MONOTONIC_CLOCK)" &&
4160 check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
4161
4162 check_func fcntl
4163 check_func fork
4164 check_func gethrtime
4165 check_func getopt
4166 check_func getrusage
4167 check_func gettimeofday
4168 check_func gmtime_r
4169 check_func isatty
4170 check_func localtime_r
4171 check_func mach_absolute_time
4172 check_func mkstemp
4173 check_func mmap
4174 check_func mprotect
4175 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4176 check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt; }
4177 check_func sched_getaffinity
4178 check_func setrlimit
4179 check_func strerror_r
4180 check_func sysconf
4181 check_func sysctl
4182 check_func usleep
4183
4184 check_func_headers io.h setmode
4185 check_func_headers stdlib.h getenv
4186
4187 check_func_headers windows.h CoTaskMemFree -lole32
4188 check_func_headers windows.h GetProcessAffinityMask
4189 check_func_headers windows.h GetProcessTimes
4190 check_func_headers windows.h GetSystemTimeAsFileTime
4191 check_func_headers windows.h MapViewOfFile
4192 check_func_headers windows.h SetConsoleTextAttribute
4193 check_func_headers windows.h Sleep
4194 check_func_headers windows.h VirtualAlloc
4195 check_struct windows.h "CONDITION_VARIABLE" Ptr
4196
4197 check_header direct.h
4198 check_header dlfcn.h
4199 check_header d3d11.h
4200 check_header dxva.h
4201 check_header dxva2api.h
4202 check_header io.h
4203 check_header mach/mach_time.h
4204 check_header malloc.h
4205 check_header poll.h
4206 check_header sys/mman.h
4207 check_header sys/param.h
4208 check_header sys/resource.h
4209 check_header sys/select.h
4210 check_header sys/time.h
4211 check_header sys/un.h
4212 check_header unistd.h
4213 check_header valgrind/valgrind.h
4214 check_header vdpau/vdpau.h
4215 check_header vdpau/vdpau_x11.h
4216 check_header VideoDecodeAcceleration/VDADecoder.h
4217 check_header windows.h
4218 check_header X11/extensions/XvMClib.h
4219
4220 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4221 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4222 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4223
4224 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4225
4226 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC"
4227
4228 if ! disabled w32threads && ! enabled pthreads; then
4229 check_func_headers "windows.h process.h" _beginthreadex &&
4230 enable w32threads || disable w32threads
4231 fi
4232
4233 # check for some common methods of building with pthread support
4234 # do this before the optional library checks as some of them require pthreads
4235 if ! disabled pthreads && ! enabled w32threads; then
4236 enable pthreads
4237 if check_func pthread_join -pthread; then
4238 add_cflags -pthread
4239 add_extralibs -pthread
4240 elif check_func pthread_join -pthreads; then
4241 add_cflags -pthreads
4242 add_extralibs -pthreads
4243 elif check_func pthread_join -lpthreadGC2; then
4244 add_extralibs -lpthreadGC2
4245 elif check_lib pthread.h pthread_join -lpthread; then
4246 :
4247 elif ! check_func pthread_join; then
4248 disable pthreads
4249 fi
4250 fi
4251
4252 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4253 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4254
4255 check_lib math.h sin -lm && LIBM="-lm"
4256 enabled vaapi && require vaapi va/va.h vaInitialize -lva
4257
4258 atan2f_args=2
4259 ldexpf_args=2
4260 powf_args=2
4261
4262 for func in $MATH_FUNCS; do
4263 eval check_mathfunc $func \${${func}_args:-1}
4264 done
4265
4266 # these are off by default, so fail if requested and not available
4267 enabled avisynth && { check_lib2 "avisynth/avisynth_c.h windows.h" LoadLibrary ||
4268 check_lib2 "avxsynth/avxsynth_c.h dlfcn.h" dlopen -ldl ||
4269 die "ERROR: LoadLibrary/dlopen not found, or avisynth header not found"; }
4270 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4271 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4272 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
4273 enabled libdcadec && require libdcadec libdcadec/dca_context.h dcadec_context_create -ldcadec
4274 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4275 enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
4276 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4277 enabled libfreetype && require_pkg_config freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType
4278 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4279 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4280 done || die "ERROR: libgsm not found"; }
4281 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4282 enabled libmfx && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit
4283 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4284 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4285 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4286 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
4287 enabled libopenh264 && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion
4288 enabled libopenjpeg && { { check_header openjpeg.h && check_lib2 openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC; } ||
4289 { require_pkg_config libopenjpeg1 openjpeg.h opj_version -DOPJ_STATIC; } }
4290 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4291 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4292 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4293 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4294 enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
4295 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4296 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame
4297 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4298 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4299 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4300 enabled libvpx && {
4301 enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
4302 die "ERROR: libvpx decoder version must be >=0.9.1"; }
4303 enabled libvpx_vp8_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
4304 die "ERROR: libvpx encoder version must be >=0.9.6"; }
4305 enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; }
4306 enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx" -lvpx || disable libvpx_vp9_encoder; } }
4307 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4308 enabled libwebp && require_pkg_config libwebp webp/encode.h WebPGetEncoderVersion
4309 enabled libx264 && require_pkg_config x264 "stdint.h x264.h" x264_encoder_encode &&
4310 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4311 die "ERROR: libx264 version must be >= 0.118."; }
4312 enabled libx265 && require_pkg_config x265 x265.h x265_encoder_encode &&
4313 { check_cpp_condition x265.h "X265_BUILD >= 57" ||
4314 die "ERROR: libx265 version must be >= 57."; }
4315 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
4316 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4317 enabled mmal && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
4318 { ! enabled cross_compile && {
4319 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;
4320 add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;
4321 check_lib interface/mmal/mmal.h mmal_port_connect ; }
4322 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||
4323 die "ERROR: mmal not found"; }
4324 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4325 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4326 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4327 die "ERROR: openssl not found"; }
4328
4329 if enabled gnutls; then
4330 { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
4331 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
4332 fi
4333
4334 # libdc1394 check
4335 if enabled libdc1394; then
4336 { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&
4337 enable libdc1394_2; } ||
4338 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
4339 enable libdc1394_1; } ||
4340 die "ERROR: No version of libdc1394 found "
4341 fi
4342
4343 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
4344 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4345 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4346 enable sdl
4347 fi
4348
4349 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
4350 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
4351
4352 check_header linux/fb.h
4353 check_header linux/videodev2.h
4354 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
4355
4356 check_header sys/videoio.h
4357
4358 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
4359 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
4360 # w32api 3.12 had it defined wrong
4361 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
4362
4363 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
4364 { check_header dev/bktr/ioctl_meteor.h &&
4365 check_header dev/bktr/ioctl_bt848.h; } ||
4366 { check_header machine/ioctl_meteor.h &&
4367 check_header machine/ioctl_bt848.h; } ||
4368 { check_header dev/video/meteor/ioctl_meteor.h &&
4369 check_header dev/video/bktr/ioctl_bt848.h; } ||
4370 check_header dev/ic/bt8xx.h
4371
4372 check_header sndio.h
4373 check_header sys/soundcard.h
4374 check_header soundcard.h
4375
4376 enabled_any alsa_indev alsa_outdev &&
4377 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
4378
4379 enabled jack_indev &&