nut: Mark non-fatal errors as warnings
[libav.git] / configure
1 #!/bin/sh
2 #
3 # Libav configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
43 fi
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken Libav."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
54 exit 1
55 fi
56
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
59 show_help(){
60 cat <<EOF
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
63
64 Help options:
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
77
78 Standard options:
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --prefix=PREFIX install in PREFIX [$prefix]
82 --bindir=DIR install binaries in DIR [PREFIX/bin]
83 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
84 --docdir=DIR install documentation in DIR [PREFIX/share/doc/libav]
85 --libdir=DIR install libs in DIR [PREFIX/lib]
86 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
87 --incdir=DIR install includes in DIR [PREFIX/include]
88 --mandir=DIR install man page in DIR [PREFIX/share/man]
89 --enable-rpath use rpath when linking programs [USE WITH CARE]
90
91 Licensing options:
92 --enable-gpl allow use of GPL code, the resulting libs
93 and binaries will be under GPL [no]
94 --enable-version3 upgrade (L)GPL to version 3 [no]
95 --enable-nonfree allow use of nonfree code, the resulting libs
96 and binaries will be unredistributable [no]
97
98 Configuration options:
99 --disable-static do not build static libraries [no]
100 --enable-shared build shared libraries [no]
101 --enable-small optimize for size instead of speed
102 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
103 --enable-gray enable full grayscale support (slower color)
104 --disable-swscale-alpha disable alpha channel support in swscale
105 --disable-all disable building components, libraries and programs
106
107 Program options:
108 --disable-programs do not build command line programs
109 --disable-avconv disable avconv build
110 --disable-avplay disable avplay build
111 --disable-avprobe disable avprobe build
112 --disable-avserver deprecated, does nothing
113
114 Component options:
115 --disable-doc do not build documentation
116 --disable-avdevice disable libavdevice build
117 --disable-avcodec disable libavcodec build
118 --disable-avformat disable libavformat build
119 --disable-avutil disable libavutil build
120 --disable-swscale disable libswscale build
121 --disable-avfilter disable video filter support [no]
122 --disable-avresample disable libavresample build [no]
123 --disable-pthreads disable pthreads [auto]
124 --disable-w32threads disable Win32 threads [auto]
125 --disable-network disable network support [no]
126 --disable-dct disable DCT code
127 --disable-error-resilience disable error resilience code
128 --disable-lsp disable LSP code
129 --disable-lzo disable LZO decoder code
130 --disable-mdct disable MDCT code
131 --disable-rdft disable RDFT code
132 --disable-fft disable FFT code
133 --disable-faan disable floating point AAN (I)DCT code
134
135 Hardware accelerators:
136 --enable-d3d11va enable D3D11VA code
137 --enable-dxva2 enable DXVA2 code
138 --enable-vaapi enable VAAPI code
139 --enable-vda enable VDA code
140 --enable-vdpau enable VDPAU code
141
142 Individual component options:
143 --disable-everything disable all components listed below
144 --disable-encoder=NAME disable encoder NAME
145 --enable-encoder=NAME enable encoder NAME
146 --disable-encoders disable all encoders
147 --disable-decoder=NAME disable decoder NAME
148 --enable-decoder=NAME enable decoder NAME
149 --disable-decoders disable all decoders
150 --disable-hwaccel=NAME disable hwaccel NAME
151 --enable-hwaccel=NAME enable hwaccel NAME
152 --disable-hwaccels disable all hwaccels
153 --disable-muxer=NAME disable muxer NAME
154 --enable-muxer=NAME enable muxer NAME
155 --disable-muxers disable all muxers
156 --disable-demuxer=NAME disable demuxer NAME
157 --enable-demuxer=NAME enable demuxer NAME
158 --disable-demuxers disable all demuxers
159 --enable-parser=NAME enable parser NAME
160 --disable-parser=NAME disable parser NAME
161 --disable-parsers disable all parsers
162 --enable-bsf=NAME enable bitstream filter NAME
163 --disable-bsf=NAME disable bitstream filter NAME
164 --disable-bsfs disable all bitstream filters
165 --enable-protocol=NAME enable protocol NAME
166 --disable-protocol=NAME disable protocol NAME
167 --disable-protocols disable all protocols
168 --enable-indev=NAME enable input device NAME
169 --disable-indev=NAME disable input device NAME
170 --disable-indevs disable input devices
171 --enable-outdev=NAME enable output device NAME
172 --disable-outdev=NAME disable output device NAME
173 --disable-outdevs disable output devices
174 --disable-devices disable all devices
175 --enable-filter=NAME enable filter NAME
176 --disable-filter=NAME disable filter NAME
177 --disable-filters disable all filters
178
179 External library support:
180 --enable-avisynth enable reading of AviSynth script files [no]
181 --enable-bzlib enable bzlib [autodetect]
182 --enable-frei0r enable frei0r video filtering
183 --enable-gnutls enable gnutls [no]
184 --enable-libbs2b enable bs2b DSP library [no]
185 --enable-libcdio enable audio CD grabbing with libcdio
186 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
187 and libraw1394 [no]
188 --enable-libdcadec enable DCA decoding via libdcadec [no]
189 --enable-libfaac enable AAC encoding via libfaac [no]
190 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
191 --enable-libfreetype enable libfreetype [no]
192 --enable-libgsm enable GSM de/encoding via libgsm [no]
193 --enable-libilbc enable iLBC de/encoding via libilbc [no]
194 --enable-libkvazaar enable HEVC encoding via libkvazaar [no]
195 --enable-libmfx enable HW acceleration through libmfx
196 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
197 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
198 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
199 --enable-libopencv enable video filtering via libopencv [no]
200 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
201 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
202 --enable-libopus enable Opus de/encoding via libopus [no]
203 --enable-libpulse enable Pulseaudio input via libpulse [no]
204 --enable-librtmp enable RTMP[E] support via librtmp [no]
205 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
206 --enable-libsnappy enable Snappy compression [no]
207 --enable-libspeex enable Speex de/encoding via libspeex [no]
208 --enable-libtheora enable Theora encoding via libtheora [no]
209 --enable-libtwolame enable MP2 encoding via libtwolame [no]
210 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
211 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
212 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
213 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
214 --enable-libwavpack enable wavpack encoding via libwavpack [no]
215 --enable-libwebp enable WebP encoding via libwebp [no]
216 --enable-libx264 enable H.264 encoding via x264 [no]
217 --enable-libx265 enable HEVC encoding via x265 [no]
218 --enable-libxavs enable AVS encoding via xavs [no]
219 --enable-libxcb enable X11 grabbing using XCB [no]
220 --enable-libxcb-shm enable X11 grabbing shm communication [auto]
221 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [auto]
222 --enable-libxvid enable Xvid encoding via xvidcore,
223 native MPEG-4/Xvid encoder exists [no]
224 --enable-mmal enable decoding via MMAL [no]
225 --enable-nvenc enable encoding via NVENC [no]
226 --enable-openssl enable openssl [no]
227 --enable-x11grab enable X11 grabbing (legacy) [no]
228 --enable-zlib enable zlib [autodetect]
229
230 Toolchain options:
231 --arch=ARCH select architecture [$arch]
232 --cpu=CPU select the minimum required CPU (affects
233 instruction selection, may crash on older CPUs)
234 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
235 --enable-cross-compile assume a cross-compiler is used
236 --sysroot=PATH root of cross-build tree
237 --sysinclude=PATH location of cross-build system headers
238 --target-os=OS compiler targets OS [$target_os]
239 --target-exec=CMD command to run executables on target
240 --target-path=DIR path to view of build directory on target
241 --target-samples=DIR path to samples directory on target
242 --toolchain=NAME set tool defaults according to NAME
243 --nm=NM use nm tool
244 --ar=AR use archive tool AR [$ar_default]
245 --as=AS use assembler AS [$as_default]
246 --cc=CC use C compiler CC [$cc_default]
247 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
248 --ld=LD use linker LD
249 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
250 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
251 --host-cc=HOSTCC use host C compiler HOSTCC
252 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
253 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
254 --host-ld=HOSTLD use host linker HOSTLD
255 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
256 --host-libs=HLIBS use libs HLIBS when linking for host
257 --host-os=OS compiler host OS [$target_os]
258 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
259 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
260 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
261 --extra-libs=ELIBS add ELIBS [$ELIBS]
262 --extra-version=STRING version string suffix []
263 --optflags=OPTFLAGS override optimization-related compiler flags
264 --build-suffix=SUFFIX library name suffix []
265 --enable-pic build position-independent code
266 --enable-thumb compile for Thumb instruction set
267 --enable-lto use link-time optimization
268 --env="ENV=override" override the environment variables
269
270 Advanced options (experts only):
271 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
272 --custom-allocator=NAME use a supported custom allocator
273 --disable-symver disable symbol versioning
274 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
275 --disable-safe-bitstream-reader
276 disable buffer boundary checking in bitreaders
277 (faster, but may crash)
278 --enable-memalign-hack emulate memalign, interferes with memory debuggers
279 --enable-sram allow use of on-chip SRAM
280
281 Optimization options (experts only):
282 --disable-asm disable all assembly optimizations
283 --disable-altivec disable AltiVec optimizations
284 --disable-vsx disable VSX optimizations
285 --disable-power8 disable POWER8 optimizations
286 --disable-amd3dnow disable 3DNow! optimizations
287 --disable-amd3dnowext disable 3DNow! extended optimizations
288 --disable-mmx disable MMX optimizations
289 --disable-mmxext disable MMXEXT optimizations
290 --disable-sse disable SSE optimizations
291 --disable-sse2 disable SSE2 optimizations
292 --disable-sse3 disable SSE3 optimizations
293 --disable-ssse3 disable SSSE3 optimizations
294 --disable-sse4 disable SSE4 optimizations
295 --disable-sse42 disable SSE4.2 optimizations
296 --disable-avx disable AVX optimizations
297 --disable-xop disable XOP optimizations
298 --disable-fma3 disable FMA3 optimizations
299 --disable-fma4 disable FMA4 optimizations
300 --disable-avx2 disable AVX2 optimizations
301 --disable-armv5te disable armv5te optimizations
302 --disable-armv6 disable armv6 optimizations
303 --disable-armv6t2 disable armv6t2 optimizations
304 --disable-vfp disable VFP optimizations
305 --disable-neon disable NEON optimizations
306 --disable-inline-asm disable use of inline assembly
307 --disable-yasm disable use of nasm/yasm assembly
308
309 Developer options (useful when working on Libav itself):
310 --disable-debug disable debugging symbols
311 --enable-debug=LEVEL set the debug level [$debuglevel]
312 --disable-optimizations disable compiler optimizations
313 --enable-extra-warnings enable more compiler warnings
314 --samples=PATH location of test samples for FATE, if not set use
315 \$LIBAV_SAMPLES at make invocation time.
316 --enable-neon-clobber-test check NEON registers for clobbering (should be
317 used only for debugging purposes)
318 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
319 should be used only for debugging purposes)
320 --enable-random randomly enable/disable components
321 --disable-random
322 --enable-random=LIST randomly enable/disable specific components or
323 --disable-random=LIST component groups. LIST is a comma-separated list
324 of NAME[:PROB] entries where NAME is a component
325 (group) and PROB the probability associated with
326 NAME (default 0.5).
327 --random-seed=VALUE seed value for --enable/disable-random
328 --disable-valgrind-backtrace do not print a backtrace under Valgrind
329 (only applies to --disable-optimizations builds)
330
331 NOTE: Object files are built at the place where configure is launched.
332 EOF
333 exit 0
334 }
335
336 quotes='""'
337
338 log(){
339 echo "$@" >> $logfile
340 }
341
342 log_file(){
343 log BEGIN $1
344 pr -n -t $1 >> $logfile
345 log END $1
346 }
347
348 echolog(){
349 log "$@"
350 echo "$@"
351 }
352
353 warn(){
354 log "WARNING: $*"
355 WARNINGS="${WARNINGS}WARNING: $*\n"
356 }
357
358 die(){
359 echolog "$@"
360 cat <<EOF
361
362 If you think configure made a mistake, make sure you are using the latest
363 version from Git. If the latest version fails, report the problem to the
364 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
365 EOF
366 if disabled logging; then
367 cat <<EOF
368 Rerun configure with logging enabled (do not use --disable-logging), and
369 include the log this produces with your report.
370 EOF
371 else
372 cat <<EOF
373 Include the log file "$logfile" produced by configure as this will help
374 solving the problem.
375 EOF
376 fi
377 exit 1
378 }
379
380 # Avoid locale weirdness, besides we really just want to translate ASCII.
381 toupper(){
382 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
383 }
384
385 tolower(){
386 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
387 }
388
389 c_escape(){
390 echo "$*" | sed 's/["\\]/\\\0/g'
391 }
392
393 sh_quote(){
394 v=$(echo "$1" | sed "s/'/'\\\\''/g")
395 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
396 echo "$v"
397 }
398
399 cleanws(){
400 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
401 }
402
403 filter(){
404 pat=$1
405 shift
406 for v; do
407 eval "case $v in $pat) echo $v ;; esac"
408 done
409 }
410
411 filter_out(){
412 pat=$1
413 shift
414 for v; do
415 eval "case $v in $pat) ;; *) echo $v ;; esac"
416 done
417 }
418
419 map(){
420 m=$1
421 shift
422 for v; do eval $m; done
423 }
424
425 add_suffix(){
426 suffix=$1
427 shift
428 for v; do echo ${v}${suffix}; done
429 }
430
431 set_all(){
432 value=$1
433 shift
434 for var in $*; do
435 eval $var=$value
436 done
437 }
438
439 set_weak(){
440 value=$1
441 shift
442 for var; do
443 eval : \${$var:=$value}
444 done
445 }
446
447 sanitize_var_name(){
448 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
449 }
450
451 set_safe(){
452 var=$1
453 shift
454 eval $(sanitize_var_name "$var")='$*'
455 }
456
457 get_safe(){
458 eval echo \$$(sanitize_var_name "$1")
459 }
460
461 pushvar(){
462 for pvar in $*; do
463 eval level=\${${pvar}_level:=0}
464 eval ${pvar}_${level}="\$$pvar"
465 eval ${pvar}_level=$(($level+1))
466 done
467 }
468
469 popvar(){
470 for pvar in $*; do
471 eval level=\${${pvar}_level:-0}
472 test $level = 0 && continue
473 eval level=$(($level-1))
474 eval $pvar="\${${pvar}_${level}}"
475 eval ${pvar}_level=$level
476 eval unset ${pvar}_${level}
477 done
478 }
479
480 enable(){
481 set_all yes $*
482 }
483
484 disable(){
485 set_all no $*
486 }
487
488 enable_weak(){
489 set_weak yes $*
490 }
491
492 disable_weak(){
493 set_weak no $*
494 }
495
496 enable_safe(){
497 for var; do
498 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
499 done
500 }
501
502 disable_safe(){
503 for var; do
504 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
505 done
506 }
507
508 do_enable_deep(){
509 for var; do
510 enabled $var && continue
511 eval sel="\$${var}_select"
512 eval sgs="\$${var}_suggest"
513 pushvar var sgs
514 enable_deep $sel
515 popvar sgs
516 enable_deep_weak $sgs
517 popvar var
518 done
519 }
520
521 enable_deep(){
522 do_enable_deep $*
523 enable $*
524 }
525
526 enable_deep_weak(){
527 for var; do
528 disabled $var && continue
529 pushvar var
530 do_enable_deep $var
531 popvar var
532 enable_weak $var
533 done
534 }
535
536 enabled(){
537 test "${1#!}" = "$1" && op== || op=!=
538 eval test "x\$${1#!}" $op "xyes"
539 }
540
541 disabled(){
542 test "${1#!}" = "$1" && op== || op=!=
543 eval test "x\$${1#!}" $op "xno"
544 }
545
546 enabled_all(){
547 for opt; do
548 enabled $opt || return 1
549 done
550 }
551
552 disabled_all(){
553 for opt; do
554 disabled $opt || return 1
555 done
556 }
557
558 enabled_any(){
559 for opt; do
560 enabled $opt && return 0
561 done
562 }
563
564 disabled_any(){
565 for opt; do
566 disabled $opt && return 0
567 done
568 return 1
569 }
570
571 set_default(){
572 for opt; do
573 eval : \${$opt:=\$${opt}_default}
574 done
575 }
576
577 is_in(){
578 value=$1
579 shift
580 for var in $*; do
581 [ $var = $value ] && return 0
582 done
583 return 1
584 }
585
586 do_check_deps(){
587 for cfg; do
588 cfg="${cfg#!}"
589 enabled ${cfg}_checking && die "Circular dependency for $cfg."
590 disabled ${cfg}_checking && continue
591 enable ${cfg}_checking
592 append allopts $cfg
593
594 eval dep_all="\$${cfg}_deps"
595 eval dep_any="\$${cfg}_deps_any"
596 eval dep_sel="\$${cfg}_select"
597 eval dep_sgs="\$${cfg}_suggest"
598 eval dep_ifa="\$${cfg}_if"
599 eval dep_ifn="\$${cfg}_if_any"
600
601 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
602 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
603 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
604
605 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
606 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
607 enabled_all $dep_all || disable $cfg
608 enabled_any $dep_any || disable $cfg
609 disabled_any $dep_sel && disable $cfg
610
611 if enabled $cfg; then
612 enable_deep $dep_sel
613 enable_deep_weak $dep_sgs
614 fi
615
616 disable ${cfg}_checking
617 done
618 }
619
620 check_deps(){
621 unset allopts
622
623 do_check_deps "$@"
624
625 for cfg in $allopts; do
626 enabled $cfg || continue
627 eval dep_extralibs="\$${cfg}_extralibs"
628 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
629 done
630 }
631
632 print_config(){
633 pfx=$1
634 files=$2
635 shift 2
636 map 'eval echo "$v \${$v:-no}"' "$@" |
637 awk "BEGIN { split(\"$files\", files) }
638 {
639 c = \"$pfx\" toupper(\$1);
640 v = \$2;
641 sub(/yes/, 1, v);
642 sub(/no/, 0, v);
643 for (f in files) {
644 file = files[f];
645 if (file ~ /\\.h\$/) {
646 printf(\"#define %s %d\\n\", c, v) >>file;
647 } else if (file ~ /\\.asm\$/) {
648 printf(\"%%define %s %d\\n\", c, v) >>file;
649 } else if (file ~ /\\.mak\$/) {
650 n = -v ? \"\" : \"!\";
651 printf(\"%s%s=yes\\n\", n, c) >>file;
652 }
653 }
654 }"
655 }
656
657 print_enabled(){
658 suf=$1
659 shift
660 for v; do
661 enabled $v && printf "%s\n" ${v%$suf};
662 done
663 }
664
665 append(){
666 var=$1
667 shift
668 eval "$var=\"\$$var $*\""
669 }
670
671 prepend(){
672 var=$1
673 shift
674 eval "$var=\"$* \$$var\""
675 }
676
677 unique(){
678 var=$1
679 uniq_list=""
680 for tok in $(eval echo \$$var); do
681 uniq_list="$(filter_out $tok $uniq_list) $tok"
682 done
683 eval "$var=\"${uniq_list}\""
684 }
685
686 add_cppflags(){
687 append CPPFLAGS "$@"
688 }
689
690 add_cflags(){
691 append CFLAGS $($cflags_filter "$@")
692 }
693
694 add_asflags(){
695 append ASFLAGS $($asflags_filter "$@")
696 }
697
698 add_ldflags(){
699 append LDFLAGS $($ldflags_filter "$@")
700 }
701
702 add_ldexeflags(){
703 append LDEXEFLAGS $($ldflags_filter "$@")
704 }
705
706 add_stripflags(){
707 append STRIPFLAGS "$@"
708 }
709
710 add_extralibs(){
711 prepend extralibs $($ldflags_filter "$@")
712 }
713
714 add_host_cppflags(){
715 append host_cppflags "$@"
716 }
717
718 add_host_cflags(){
719 append host_cflags $($host_cflags_filter "$@")
720 }
721
722 add_host_ldflags(){
723 append host_ldflags $($host_ldflags_filter "$@")
724 }
725
726 add_compat(){
727 append compat_objs $1
728 shift
729 map 'add_cppflags -D$v' "$@"
730 }
731
732 check_cmd(){
733 log "$@"
734 "$@" >> $logfile 2>&1
735 }
736
737 cc_o(){
738 eval printf '%s\\n' $CC_O
739 }
740
741 cc_e(){
742 eval printf '%s\\n' $CC_E
743 }
744
745 check_cc(){
746 log check_cc "$@"
747 cat > $TMPC
748 log_file $TMPC
749 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
750 }
751
752 check_cpp(){
753 log check_cpp "$@"
754 cat > $TMPC
755 log_file $TMPC
756 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
757 }
758
759 as_o(){
760 eval printf '%s\\n' $AS_O
761 }
762
763 check_as(){
764 log check_as "$@"
765 cat > $TMPS
766 log_file $TMPS
767 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
768 }
769
770 check_inline_asm(){
771 log check_inline_asm "$@"
772 name="$1"
773 code="$2"
774 shift 2
775 disable $name
776 check_cc "$@" <<EOF && enable $name
777 void foo(void){ __asm__ volatile($code); }
778 EOF
779 }
780
781 check_insn(){
782 log check_insn "$@"
783 check_inline_asm ${1}_inline "\"$2\""
784 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
785 }
786
787 check_yasm(){
788 log check_yasm "$@"
789 echo "$1" > $TMPS
790 log_file $TMPS
791 shift 1
792 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
793 }
794
795 ld_o(){
796 eval printf '%s\\n' $LD_O
797 }
798
799 check_ld(){
800 log check_ld "$@"
801 flags=$(filter_out '-l*' "$@")
802 libs=$(filter '-l*' "$@")
803 check_cc $($cflags_filter $flags) || return
804 flags=$($ldflags_filter $flags)
805 libs=$($ldflags_filter $libs)
806 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
807 }
808
809 print_include(){
810 hdr=$1
811 test "${hdr%.h}" = "${hdr}" &&
812 echo "#include $hdr" ||
813 echo "#include <$hdr>"
814 }
815
816 check_code(){
817 log check_code "$@"
818 check=$1
819 headers=$2
820 code=$3
821 shift 3
822 {
823 for hdr in $headers; do
824 print_include $hdr
825 done
826 echo "int main(void) { $code; return 0; }"
827 } | check_$check "$@"
828 }
829
830 check_cppflags(){
831 log check_cppflags "$@"
832 check_cc "$@" <<EOF && append CPPFLAGS "$@"
833 int x;
834 EOF
835 }
836
837 test_cflags(){
838 log test_cflags "$@"
839 set -- $($cflags_filter "$@")
840 check_cc "$@" <<EOF
841 int x;
842 EOF
843 }
844
845 check_cflags(){
846 log check_cflags "$@"
847 test_cflags "$@" && add_cflags "$@"
848 }
849
850 test_ldflags(){
851 log test_ldflags "$@"
852 check_ld "$@" <<EOF
853 int main(void){ return 0; }
854 EOF
855 }
856
857 check_ldflags(){
858 log check_ldflags "$@"
859 test_ldflags "$@" && add_ldflags "$@"
860 }
861
862 test_stripflags(){
863 log test_stripflags "$@"
864 # call check_cc to get a fresh TMPO
865 check_cc <<EOF
866 int main(void) { return 0; }
867 EOF
868 check_cmd $strip $STRIPFLAGS "$@" $TMPO
869 }
870
871 check_stripflags(){
872 log check_stripflags "$@"
873 test_stripflags "$@" && add_stripflags "$@"
874 }
875
876 check_header(){
877 log check_header "$@"
878 header=$1
879 shift
880 disable_safe $header
881 check_cpp "$@" <<EOF && enable_safe $header
882 #include <$header>
883 int x;
884 EOF
885 }
886
887 check_func(){
888 log check_func "$@"
889 func=$1
890 shift
891 disable $func
892 check_ld "$@" <<EOF && enable $func
893 extern int $func();
894 int main(void){ $func(); }
895 EOF
896 }
897
898 check_mathfunc(){
899 log check_mathfunc "$@"
900 func=$1
901 narg=$2
902 shift 2
903 test $narg = 2 && args="f, g" || args="f"
904 disable $func
905 check_ld "$@" <<EOF && enable $func
906 #include <math.h>
907 float foo(float f, float g) { return $func($args); }
908 int main(void){ return 0; }
909 EOF
910 }
911
912 check_func_headers(){
913 log check_func_headers "$@"
914 headers=$1
915 funcs=$2
916 shift 2
917 {
918 for hdr in $headers; do
919 print_include $hdr
920 done
921 for func in $funcs; do
922 echo "long check_$func(void) { return (long) $func; }"
923 done
924 echo "int main(void) { return 0; }"
925 } | check_ld "$@" && enable $funcs && enable_safe $headers
926 }
927
928 check_cpp_condition(){
929 log check_cpp_condition "$@"
930 header=$1
931 condition=$2
932 shift 2
933 check_cpp "$@" <<EOF
934 #include <$header>
935 #if !($condition)
936 #error "unsatisfied condition: $condition"
937 #endif
938 EOF
939 }
940
941 check_lib(){
942 log check_lib "$@"
943 header="$1"
944 func="$2"
945 shift 2
946 check_header $header && check_func $func "$@" && add_extralibs "$@"
947 }
948
949 check_lib2(){
950 log check_lib2 "$@"
951 headers="$1"
952 funcs="$2"
953 shift 2
954 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
955 }
956
957 check_pkg_config(){
958 log check_pkg_config "$@"
959 pkg="$1"
960 headers="$2"
961 funcs="$3"
962 shift 3
963 check_cmd $pkg_config --exists --print-errors $pkg || return
964 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
965 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
966 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
967 set_safe "${pkg}_cflags" $pkg_cflags &&
968 set_safe "${pkg}_libs" $pkg_libs
969 }
970
971 check_exec(){
972 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
973 }
974
975 check_exec_crash(){
976 code=$(cat)
977
978 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
979 # are safe but may not be available everywhere. Thus we use
980 # raise(SIGTERM) instead. The check is run in a subshell so we
981 # can redirect the "Terminated" message from the shell. SIGBUS
982 # is not defined by standard C so it is used conditionally.
983
984 (check_exec "$@") >> $logfile 2>&1 <<EOF
985 #include <signal.h>
986 static void sighandler(int sig){
987 raise(SIGTERM);
988 }
989 int foo(void){
990 $code
991 }
992 int (*func_ptr)(void) = foo;
993 int main(void){
994 signal(SIGILL, sighandler);
995 signal(SIGFPE, sighandler);
996 signal(SIGSEGV, sighandler);
997 #ifdef SIGBUS
998 signal(SIGBUS, sighandler);
999 #endif
1000 return func_ptr();
1001 }
1002 EOF
1003 }
1004
1005 check_type(){
1006 log check_type "$@"
1007 headers=$1
1008 type=$2
1009 shift 2
1010 disable_safe "$type"
1011 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1012 }
1013
1014 check_struct(){
1015 log check_struct "$@"
1016 headers=$1
1017 struct=$2
1018 member=$3
1019 shift 3
1020 disable_safe "${struct}_${member}"
1021 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1022 enable_safe "${struct}_${member}"
1023 }
1024
1025 check_builtin(){
1026 log check_builtin "$@"
1027 name=$1
1028 headers=$2
1029 builtin=$3
1030 shift 3
1031 disable "$name"
1032 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1033 }
1034
1035 check_compile_assert(){
1036 log check_compile_assert "$@"
1037 name=$1
1038 headers=$2
1039 condition=$3
1040 shift 3
1041 disable "$name"
1042 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1043 }
1044
1045 require(){
1046 name="$1"
1047 header="$2"
1048 func="$3"
1049 shift 3
1050 check_lib $header $func "$@" || die "ERROR: $name not found"
1051 }
1052
1053 require2(){
1054 name="$1"
1055 headers="$2"
1056 func="$3"
1057 shift 3
1058 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1059 }
1060
1061 require_pkg_config(){
1062 pkg="$1"
1063 check_pkg_config "$@" || die "ERROR: $pkg not found"
1064 add_cflags $(get_safe "${pkg}_cflags")
1065 add_extralibs $(get_safe "${pkg}_libs")
1066 }
1067
1068 hostcc_e(){
1069 eval printf '%s\\n' $HOSTCC_E
1070 }
1071
1072 hostcc_o(){
1073 eval printf '%s\\n' $HOSTCC_O
1074 }
1075
1076 check_host_cc(){
1077 log check_host_cc "$@"
1078 cat > $TMPC
1079 log_file $TMPC
1080 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1081 }
1082
1083 check_host_cpp(){
1084 log check_host_cpp "$@"
1085 cat > $TMPC
1086 log_file $TMPC
1087 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1088 }
1089
1090 check_host_cppflags(){
1091 log check_host_cppflags "$@"
1092 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1093 int x;
1094 EOF
1095 }
1096
1097 check_host_cflags(){
1098 log check_host_cflags "$@"
1099 set -- $($host_cflags_filter "$@")
1100 check_host_cc "$@" <<EOF && append host_cflags "$@"
1101 int x;
1102 EOF
1103 }
1104
1105 check_host_cpp_condition(){
1106 log check_host_cpp_condition "$@"
1107 header=$1
1108 condition=$2
1109 shift 2
1110 check_host_cpp "$@" <<EOF
1111 #include <$header>
1112 #if !($condition)
1113 #error "unsatisfied condition: $condition"
1114 #endif
1115 EOF
1116 }
1117
1118 apply(){
1119 file=$1
1120 shift
1121 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1122 }
1123
1124 cp_if_changed(){
1125 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1126 mkdir -p "$(dirname $2)"
1127 $cp_f "$1" "$2"
1128 }
1129
1130 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1131 # system-dependent things.
1132
1133 AVCODEC_COMPONENTS="
1134 bsfs
1135 decoders
1136 encoders
1137 hwaccels
1138 parsers
1139 "
1140
1141 AVDEVICE_COMPONENTS="
1142 indevs
1143 outdevs
1144 "
1145 AVFILTER_COMPONENTS="
1146 filters
1147 "
1148 AVFORMAT_COMPONENTS="
1149 demuxers
1150 muxers
1151 protocols
1152 "
1153
1154 AVRESAMPLE_COMPONENTS=""
1155 AVUTIL_COMPONENTS=""
1156
1157 COMPONENT_LIST="
1158 $AVCODEC_COMPONENTS
1159 $AVDEVICE_COMPONENTS
1160 $AVFILTER_COMPONENTS
1161 $AVFORMAT_COMPONENTS
1162 $AVRESAMPLE_COMPONENTS
1163 $AVUTIL_COMPONENTS
1164 "
1165
1166 EXAMPLE_LIST="
1167 avcodec_example
1168 filter_audio_example
1169 metadata_example
1170 output_example
1171 qsvdec_example
1172 transcode_aac_example
1173 "
1174
1175 EXTERNAL_LIBRARY_LIST="
1176 avisynth
1177 bzlib
1178 frei0r
1179 gnutls
1180 libbs2b
1181 libcdio
1182 libdc1394
1183 libdcadec
1184 libfaac
1185 libfdk_aac
1186 libfontconfig
1187 libfreetype
1188 libgsm
1189 libilbc
1190 libkvazaar
1191 libmfx
1192 libmp3lame
1193 libopencore_amrnb
1194 libopencore_amrwb
1195 libopencv
1196 libopenh264
1197 libopenjpeg
1198 libopus
1199 libpulse
1200 librtmp
1201 libschroedinger
1202 libsnappy
1203 libspeex
1204 libtheora
1205 libtwolame
1206 libvo_aacenc
1207 libvo_amrwbenc
1208 libvorbis
1209 libvpx
1210 libwavpack
1211 libwebp
1212 libx264
1213 libx265
1214 libxavs
1215 libxcb
1216 libxcb_shm
1217 libxcb_xfixes
1218 libxvid
1219 mmal
1220 nvenc
1221 openssl
1222 x11grab
1223 zlib
1224 "
1225
1226 FEATURE_LIST="
1227 gray
1228 hardcoded_tables
1229 runtime_cpudetect
1230 safe_bitstream_reader
1231 shared
1232 small
1233 sram
1234 static
1235 swscale_alpha
1236 "
1237
1238 HWACCEL_LIST="
1239 d3d11va
1240 dxva2
1241 vaapi
1242 vda
1243 vdpau
1244 "
1245
1246 LIBRARY_LIST="
1247 avcodec
1248 avdevice
1249 avfilter
1250 avformat
1251 avresample
1252 avutil
1253 swscale
1254 "
1255
1256 LICENSE_LIST="
1257 gpl
1258 nonfree
1259 version3
1260 "
1261
1262 PROGRAM_LIST="
1263 avconv
1264 avplay
1265 avprobe
1266 "
1267
1268 SUBSYSTEM_LIST="
1269 dct
1270 doc
1271 error_resilience
1272 faan
1273 fft
1274 lsp
1275 lzo
1276 mdct
1277 network
1278 rdft
1279 "
1280
1281 CONFIG_LIST="
1282 $COMPONENT_LIST
1283 $EXAMPLE_LIST
1284 $EXTERNAL_LIBRARY_LIST
1285 $FEATURE_LIST
1286 $HWACCEL_LIST
1287 $LICENSE_LIST
1288 $LIBRARY_LIST
1289 $PROGRAM_LIST
1290 $SUBSYSTEM_LIST
1291 memalign_hack
1292 neon_clobber_test
1293 pic
1294 pod2man
1295 texi2html
1296 thumb
1297 valgrind_backtrace
1298 xmm_clobber_test
1299 "
1300
1301 THREADS_LIST="
1302 pthreads
1303 w32threads
1304 "
1305
1306 ATOMICS_LIST="
1307 atomics_gcc
1308 atomics_suncc
1309 atomics_win32
1310 "
1311
1312 ARCH_LIST="
1313 aarch64
1314 alpha
1315 arm
1316 avr32
1317 avr32_ap
1318 avr32_uc
1319 bfin
1320 ia64
1321 m68k
1322 mips
1323 mips64
1324 parisc
1325 ppc
1326 ppc64
1327 s390
1328 sh4
1329 sparc
1330 sparc64
1331 tilegx
1332 tilepro
1333 tomi
1334 x86
1335 x86_32
1336 x86_64
1337 "
1338
1339 ARCH_EXT_LIST_ARM="
1340 armv5te
1341 armv6
1342 armv6t2
1343 armv8
1344 neon
1345 vfp
1346 vfpv3
1347 "
1348
1349 ARCH_EXT_LIST_X86_SIMD="
1350 amd3dnow
1351 amd3dnowext
1352 avx
1353 avx2
1354 fma3
1355 fma4
1356 mmx
1357 mmxext
1358 sse
1359 sse2
1360 sse3
1361 sse4
1362 sse42
1363 ssse3
1364 xop
1365 "
1366
1367 ARCH_EXT_LIST_PPC="
1368 altivec
1369 dcbzl
1370 ldbrx
1371 power8
1372 ppc4xx
1373 vsx
1374 "
1375
1376 ARCH_EXT_LIST_X86="
1377 $ARCH_EXT_LIST_X86_SIMD
1378 cpunop
1379 i686
1380 "
1381
1382 ARCH_EXT_LIST_MIPS="
1383 loongson
1384 mips32r1
1385 mips64r1
1386 mips32r2
1387 mips64r2
1388 mips32r6
1389 mips64r6
1390 "
1391
1392 ARCH_EXT_LIST="
1393 $ARCH_EXT_LIST_ARM
1394 $ARCH_EXT_LIST_MIPS
1395 $ARCH_EXT_LIST_PPC
1396 $ARCH_EXT_LIST_X86
1397 vis
1398 "
1399
1400 ARCH_FEATURES="
1401 aligned_stack
1402 fast_64bit
1403 fast_clz
1404 fast_cmov
1405 local_aligned_8
1406 local_aligned_16
1407 simd_align_16
1408 "
1409
1410 BUILTIN_LIST="
1411 atomic_cas_ptr
1412 machine_rw_barrier
1413 MemoryBarrier
1414 mm_empty
1415 rdtsc
1416 sync_val_compare_and_swap
1417 "
1418 HAVE_LIST_CMDLINE="
1419 inline_asm
1420 symver
1421 yasm
1422 "
1423
1424 HAVE_LIST_PUB="
1425 bigendian
1426 fast_unaligned
1427 "
1428
1429 HEADERS_LIST="
1430 alsa_asoundlib_h
1431 altivec_h
1432 arpa_inet_h
1433 cdio_paranoia_h
1434 cdio_paranoia_paranoia_h
1435 dev_bktr_ioctl_bt848_h
1436 dev_bktr_ioctl_meteor_h
1437 dev_ic_bt8xx_h
1438 dev_video_bktr_ioctl_bt848_h
1439 dev_video_meteor_ioctl_meteor_h
1440 direct_h
1441 dlfcn_h
1442 d3d11_h
1443 dxva_h
1444 gsm_h
1445 io_h
1446 mach_mach_time_h
1447 machine_ioctl_bt848_h
1448 machine_ioctl_meteor_h
1449 malloc_h
1450 poll_h
1451 sndio_h
1452 soundcard_h
1453 sys_mman_h
1454 sys_param_h
1455 sys_resource_h
1456 sys_select_h
1457 sys_soundcard_h
1458 sys_time_h
1459 sys_un_h
1460 sys_videoio_h
1461 unistd_h
1462 valgrind_valgrind_h
1463 windows_h
1464 winsock2_h
1465 "
1466
1467 INTRINSICS_LIST="
1468 intrinsics_neon
1469 "
1470
1471 MATH_FUNCS="
1472 atanf
1473 atan2f
1474 cbrtf
1475 cosf
1476 exp2
1477 exp2f
1478 expf
1479 isinf
1480 isnan
1481 ldexpf
1482 llrint
1483 llrintf
1484 log2
1485 log2f
1486 log10f
1487 lrint
1488 lrintf
1489 powf
1490 rint
1491 round
1492 roundf
1493 sinf
1494 trunc
1495 truncf
1496 "
1497
1498 SYSTEM_FUNCS="
1499 aligned_malloc
1500 clock_gettime
1501 closesocket
1502 CommandLineToArgvW
1503 CoTaskMemFree
1504 CryptGenRandom
1505 dlopen
1506 fcntl
1507 flt_lim
1508 fork
1509 getaddrinfo
1510 gethrtime
1511 getopt
1512 GetProcessAffinityMask
1513 GetProcessMemoryInfo
1514 GetProcessTimes
1515 getrusage
1516 GetSystemTimeAsFileTime
1517 gettimeofday
1518 gmtime_r
1519 inet_aton
1520 isatty
1521 jack_port_get_latency_range
1522 LoadLibrary
1523 localtime_r
1524 mach_absolute_time
1525 MapViewOfFile
1526 memalign
1527 mkstemp
1528 mmap
1529 mprotect
1530 nanosleep
1531 posix_memalign
1532 sched_getaffinity
1533 SetConsoleTextAttribute
1534 setmode
1535 setrlimit
1536 Sleep
1537 strerror_r
1538 sysconf
1539 sysctl
1540 usleep
1541 VirtualAlloc
1542 "
1543
1544 TOOLCHAIN_FEATURES="
1545 as_dn_directive
1546 as_func
1547 as_object_arch
1548 asm_mod_q
1549 attribute_may_alias
1550 attribute_packed
1551 ebp_available
1552 ebx_available
1553 gnu_as
1554 ibm_asm
1555 inline_asm_labels
1556 pragma_deprecated
1557 symver_asm_label
1558 symver_gnu_asm
1559 vfp_args
1560 xform_asm
1561 xmm_clobbers
1562 "
1563
1564 TYPES_LIST="
1565 CONDITION_VARIABLE_Ptr
1566 socklen_t
1567 struct_addrinfo
1568 struct_group_source_req
1569 struct_ip_mreq_source
1570 struct_ipv6_mreq
1571 struct_pollfd
1572 struct_rusage_ru_maxrss
1573 struct_sockaddr_in6
1574 struct_sockaddr_sa_len
1575 struct_sockaddr_storage
1576 struct_v4l2_frmivalenum_discrete
1577 "
1578
1579 HAVE_LIST="
1580 $ARCH_EXT_LIST
1581 $(add_suffix _external $ARCH_EXT_LIST)
1582 $(add_suffix _inline $ARCH_EXT_LIST)
1583 $ARCH_FEATURES
1584 $ATOMICS_LIST
1585 $BUILTIN_LIST
1586 $HAVE_LIST_CMDLINE
1587 $HAVE_LIST_PUB
1588 $HEADERS_LIST
1589 $INTRINSICS_LIST
1590 $MATH_FUNCS
1591 $SYSTEM_FUNCS
1592 $THREADS_LIST
1593 $TOOLCHAIN_FEATURES
1594 $TYPES_LIST
1595 atomics_native
1596 dos_paths
1597 dxva2_lib
1598 libc_msvcrt
1599 libdc1394_1
1600 libdc1394_2
1601 sdl
1602 section_data_rel_ro
1603 threads
1604 vaapi_x11
1605 vdpau_x11
1606 xlib
1607 "
1608
1609 # options emitted with CONFIG_ prefix but not available on the command line
1610 CONFIG_EXTRA="
1611 aandcttables
1612 ac3dsp
1613 audio_frame_queue
1614 audiodsp
1615 blockdsp
1616 bswapdsp
1617 cabac
1618 dvprofile
1619 faandct
1620 faanidct
1621 fdctdsp
1622 flacdsp
1623 fmtconvert
1624 g722dsp
1625 gcrypt
1626 gmp
1627 golomb
1628 gplv3
1629 h263dsp
1630 h264chroma
1631 h264dsp
1632 h264pred
1633 h264qpel
1634 hpeldsp
1635 huffman
1636 huffyuvdsp
1637 huffyuvencdsp
1638 idctdsp
1639 iirfilter
1640 imdct15
1641 intrax8
1642 ividsp
1643 jpegtables
1644 libx262
1645 lgplv3
1646 lpc
1647 lzf
1648 me_cmp
1649 mpeg_er
1650 mpegaudio
1651 mpegaudiodsp
1652 mpegvideo
1653 mpegvideoenc
1654 mss34dsp
1655 pixblockdsp
1656 qpeldsp
1657 qsv
1658 qsvdec
1659 qsvenc
1660 rangecoder
1661 riffdec
1662 riffenc
1663 rtpdec
1664 rtpenc_chain
1665 rv34dsp
1666 sinewin
1667 snappy
1668 startcode
1669 texturedsp
1670 texturedspenc
1671 tpeldsp
1672 videodsp
1673 vp3dsp
1674 vp56dsp
1675 vp8dsp
1676 wma_freqs
1677 wmv2dsp
1678 "
1679
1680 CMDLINE_SELECT="
1681 $ARCH_EXT_LIST
1682 $CONFIG_LIST
1683 $HAVE_LIST_CMDLINE
1684 $THREADS_LIST
1685 asm
1686 cross_compile
1687 debug
1688 extra_warnings
1689 logging
1690 lto
1691 optimizations
1692 rpath
1693 "
1694
1695 PATHS_LIST="
1696 bindir
1697 datadir
1698 docdir
1699 incdir
1700 libdir
1701 mandir
1702 prefix
1703 shlibdir
1704 "
1705
1706 CMDLINE_SET="
1707 $PATHS_LIST
1708 ar
1709 arch
1710 as
1711 build_suffix
1712 cc
1713 cpu
1714 cross_prefix
1715 custom_allocator
1716 dep_cc
1717 env
1718 extra_version
1719 host_cc
1720 host_cflags
1721 host_ld
1722 host_ldflags
1723 host_libs
1724 host_os
1725 ld
1726 logfile
1727 malloc_prefix
1728 nm
1729 optflags
1730 pkg_config
1731 pkg_config_flags
1732 random_seed
1733 samples
1734 sysinclude
1735 sysroot
1736 target_exec
1737 target_os
1738 target_path
1739 target_samples
1740 toolchain
1741 "
1742
1743 CMDLINE_APPEND="
1744 extra_cflags
1745 host_cppflags
1746 "
1747
1748 # code dependency declarations
1749
1750 # architecture extensions
1751
1752 armv5te_deps="arm"
1753 armv6_deps="arm"
1754 armv6t2_deps="arm"
1755 armv8_deps="aarch64"
1756 neon_deps_any="aarch64 arm"
1757 intrinsics_neon_deps="neon"
1758 vfp_deps_any="aarch64 arm"
1759 vfpv3_deps="vfp"
1760
1761 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1762
1763 altivec_deps="ppc"
1764 ppc4xx_deps="ppc"
1765 vsx_deps="altivec"
1766 power8_deps="vsx"
1767
1768 cpunop_deps="i686"
1769 x86_64_select="i686"
1770 x86_64_suggest="fast_cmov"
1771
1772 amd3dnow_deps="mmx"
1773 amd3dnowext_deps="amd3dnow"
1774 i686_deps="x86"
1775 mmx_deps="x86"
1776 mmxext_deps="mmx"
1777 sse_deps="mmxext"
1778 sse2_deps="sse"
1779 sse3_deps="sse2"
1780 ssse3_deps="sse3"
1781 sse4_deps="ssse3"
1782 sse42_deps="sse4"
1783 avx_deps="sse42"
1784 xop_deps="avx"
1785 fma3_deps="avx"
1786 fma4_deps="avx"
1787 avx2_deps="avx"
1788
1789 mmx_external_deps="yasm"
1790 mmx_inline_deps="inline_asm"
1791 mmx_suggest="mmx_external mmx_inline"
1792
1793 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1794 eval dep=\$${ext}_deps
1795 eval ${ext}_external_deps='"${dep}_external"'
1796 eval ${ext}_inline_deps='"${dep}_inline"'
1797 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1798 done
1799
1800 aligned_stack_if_any="aarch64 ppc x86"
1801 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1802 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1803 fast_unaligned_if_any="aarch64 ppc x86"
1804 simd_align_16_if_any="altivec neon sse"
1805
1806 # system capabilities
1807 symver_if_any="symver_asm_label symver_gnu_asm"
1808 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
1809
1810 # threading support
1811 atomics_gcc_if="sync_val_compare_and_swap"
1812 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1813 atomics_win32_if="MemoryBarrier"
1814 atomics_native_if_any="$ATOMICS_LIST"
1815 w32threads_deps="atomics_native"
1816 threads_if_any="$THREADS_LIST"
1817
1818 # subsystems
1819 dct_select="rdft"
1820 error_resilience_select="me_cmp"
1821 faandct_deps="faan fdctdsp"
1822 faanidct_deps="faan idctdsp"
1823 intrax8_select="error_resilience"
1824 mdct_select="fft"
1825 rdft_select="fft"
1826 me_cmp_select="fdctdsp idctdsp pixblockdsp"
1827 mpeg_er_select="error_resilience"
1828 mpegaudio_select="mpegaudiodsp"
1829 mpegaudiodsp_select="dct"
1830 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp videodsp"
1831 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
1832 nvenc_deps_any="dlopen LoadLibrary"
1833 nvenc_extralibs='$ldl'
1834 qsvdec_select="qsv"
1835 qsvenc_select="qsv"
1836
1837 # decoders / encoders
1838 aac_decoder_select="imdct15 mdct sinewin"
1839 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
1840 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1841 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
1842 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1843 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
1844 adpcm_g722_decoder_select="g722dsp"
1845 adpcm_g722_encoder_select="g722dsp"
1846 aic_decoder_select="golomb idctdsp"
1847 alac_encoder_select="lpc"
1848 als_decoder_select="bswapdsp"
1849 amrnb_decoder_select="lsp"
1850 amrwb_decoder_select="lsp"
1851 amv_decoder_select="sp5x_decoder"
1852 ape_decoder_select="bswapdsp"
1853 asv1_decoder_select="blockdsp bswapdsp idctdsp"
1854 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
1855 asv2_decoder_select="blockdsp bswapdsp idctdsp"
1856 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
1857 atrac1_decoder_select="mdct sinewin"
1858 atrac3_decoder_select="mdct"
1859 atrac3p_decoder_select="mdct sinewin"
1860 bink_decoder_select="blockdsp hpeldsp"
1861 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
1862 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
1863 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
1864 cllc_decoder_select="bswapdsp"
1865 comfortnoise_encoder_select="lpc"
1866 cook_decoder_select="audiodsp mdct sinewin"
1867 cscd_decoder_select="lzo"
1868 cscd_decoder_suggest="zlib"
1869 dca_decoder_select="fmtconvert mdct"
1870 dds_decoder_select="texturedsp"
1871 dnxhd_decoder_select="blockdsp idctdsp"
1872 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
1873 dvvideo_decoder_select="dvprofile idctdsp"
1874 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
1875 dxa_decoder_deps="zlib"
1876 dxv_decoder_select="lzf texturedsp"
1877 eac3_decoder_select="ac3_decoder"
1878 eac3_encoder_select="ac3_encoder"
1879 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
1880 eatgq_decoder_select="aandcttables idctdsp"
1881 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
1882 exr_decoder_deps="zlib"
1883 ffv1_decoder_select="golomb rangecoder"
1884 ffv1_encoder_select="rangecoder"
1885 ffvhuff_decoder_select="huffyuv_decoder"
1886 ffvhuff_encoder_select="huffyuv_encoder"
1887 fic_decoder_select="golomb"
1888 flac_decoder_select="flacdsp golomb"
1889 flac_encoder_select="bswapdsp flacdsp golomb lpc"
1890 flashsv_decoder_deps="zlib"
1891 flashsv_encoder_deps="zlib"
1892 flashsv2_decoder_deps="zlib"
1893 flv_decoder_select="h263_decoder"
1894 flv_encoder_select="h263_encoder"
1895 fourxm_decoder_select="blockdsp bswapdsp"
1896 fraps_decoder_select="bswapdsp huffman"
1897 g2m_decoder_deps="zlib"
1898 g2m_decoder_select="blockdsp idctdsp jpegtables"
1899 h261_decoder_select="mpeg_er mpegvideo"
1900 h261_encoder_select="aandcttables mpegvideoenc"
1901 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
1902 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1903 h263i_decoder_select="h263_decoder"
1904 h263p_encoder_select="h263_encoder"
1905 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
1906 h264_decoder_suggest="error_resilience"
1907 h264_nvenc_encoder_deps="nvenc"
1908 h264_qsv_decoder_deps="libmfx"
1909 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
1910 h264_qsv_encoder_deps="libmfx"
1911 h264_qsv_encoder_select="qsvenc"
1912 hap_decoder_select="snappy texturedsp"
1913 hap_encoder_deps="libsnappy"
1914 hap_encoder_select="texturedspenc"
1915 hevc_decoder_select="bswapdsp cabac golomb videodsp"
1916 hevc_nvenc_encoder_deps="nvenc"
1917 hevc_qsv_encoder_deps="libmfx"
1918 hevc_qsv_decoder_deps="libmfx"
1919 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
1920 hevc_qsv_encoder_select="qsvenc"
1921 huffyuv_decoder_select="bswapdsp huffyuvdsp"
1922 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
1923 iac_decoder_select="imc_decoder"
1924 imc_decoder_select="bswapdsp fft mdct sinewin"
1925 indeo3_decoder_select="hpeldsp"
1926 indeo4_decoder_select="ividsp"
1927 indeo5_decoder_select="ividsp"
1928 interplay_video_decoder_select="hpeldsp"
1929 jpegls_decoder_select="golomb mjpeg_decoder"
1930 jpegls_encoder_select="golomb"
1931 jv_decoder_select="blockdsp"
1932 lagarith_decoder_select="huffyuvdsp"
1933 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
1934 loco_decoder_select="golomb"
1935 mdec_decoder_select="blockdsp idctdsp mpegvideo"
1936 metasound_decoder_select="lsp mdct sinewin"
1937 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
1938 mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
1939 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
1940 mjpegb_decoder_select="mjpeg_decoder"
1941 mlp_decoder_select="mlp_parser"
1942 motionpixels_decoder_select="bswapdsp"
1943 mp1_decoder_select="mpegaudio"
1944 mp1float_decoder_select="mpegaudio"
1945 mp2_decoder_select="mpegaudio"
1946 mp2float_decoder_select="mpegaudio"
1947 mp3_decoder_select="mpegaudio"
1948 mp3adu_decoder_select="mpegaudio"
1949 mp3adufloat_decoder_select="mpegaudio"
1950 mp3float_decoder_select="mpegaudio"
1951 mp3on4_decoder_select="mpegaudio"
1952 mp3on4float_decoder_select="mpegaudio"
1953 mpc7_decoder_select="bswapdsp mpegaudiodsp"
1954 mpc8_decoder_select="mpegaudiodsp"
1955 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1956 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1957 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
1958 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1959 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
1960 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1961 mpeg2_qsv_decoder_deps="libmfx"
1962 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel mpegvideo_parser"
1963 mpeg2_qsv_encoder_deps="libmfx"
1964 mpeg2_qsv_encoder_select="qsvenc"
1965 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1966 mpeg4_encoder_select="h263_encoder"
1967 msa1_decoder_select="mss34dsp"
1968 msmpeg4v1_decoder_select="h263_decoder"
1969 msmpeg4v2_decoder_select="h263_decoder"
1970 msmpeg4v2_encoder_select="h263_encoder"
1971 msmpeg4v3_decoder_select="h263_decoder"
1972 msmpeg4v3_encoder_select="h263_encoder"
1973 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
1974 mts2_decoder_select="mss34dsp"
1975 mxpeg_decoder_select="mjpeg_decoder"
1976 nellymoser_decoder_select="mdct sinewin"
1977 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1978 nuv_decoder_select="idctdsp lzo"
1979 on2avc_decoder_select="mdct"
1980 opus_decoder_deps="avresample"
1981 opus_decoder_select="imdct15"
1982 png_decoder_deps="zlib"
1983 png_encoder_deps="zlib"
1984 png_encoder_select="huffyuvencdsp"
1985 prores_decoder_select="idctdsp"
1986 prores_encoder_select="fdctdsp"
1987 qcelp_decoder_select="lsp"
1988 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1989 ra_144_encoder_select="audio_frame_queue lpc"
1990 ralf_decoder_select="golomb"
1991 rscc_decoder_deps="zlib"
1992 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
1993 rv10_encoder_select="h263_encoder"
1994 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
1995 rv20_encoder_select="h263_encoder"
1996 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
1997 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
1998 screenpresso_decoder_deps="zlib"
1999 shorten_decoder_select="golomb"
2000 sipr_decoder_select="lsp"
2001 sp5x_decoder_select="mjpeg_decoder"
2002 svq1_decoder_select="hpeldsp"
2003 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2004 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2005 svq3_decoder_suggest="zlib"
2006 tak_decoder_select="audiodsp"
2007 tdsc_decoder_deps="zlib"
2008 tdsc_decoder_select="mjpeg_decoder"
2009 theora_decoder_select="vp3_decoder"
2010 thp_decoder_select="mjpeg_decoder"
2011 tiff_decoder_suggest="zlib"
2012 tiff_encoder_suggest="zlib"
2013 truehd_decoder_select="mlp_decoder"
2014 truemotion2_decoder_select="bswapdsp"
2015 truespeech_decoder_select="bswapdsp"
2016 tscc_decoder_deps="zlib"
2017 txd_decoder_select="texturedsp"
2018 twinvq_decoder_select="mdct lsp sinewin"
2019 utvideo_decoder_select="bswapdsp"
2020 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2021 vble_decoder_select="huffyuvdsp"
2022 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
2023 vc1image_decoder_select="vc1_decoder"
2024 vorbis_decoder_select="mdct"
2025 vorbis_encoder_select="mdct"
2026 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2027 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2028 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2029 vp6a_decoder_select="vp6_decoder"
2030 vp6f_decoder_select="vp6_decoder"
2031 vp7_decoder_select="h264pred videodsp vp8dsp"
2032 vp8_decoder_select="h264pred videodsp vp8dsp"
2033 vp9_decoder_select="videodsp"
2034 webp_decoder_select="vp8_decoder"
2035 wmapro_decoder_select="mdct sinewin wma_freqs"
2036 wmav1_decoder_select="mdct sinewin wma_freqs"
2037 wmav1_encoder_select="mdct sinewin wma_freqs"
2038 wmav2_decoder_select="mdct sinewin wma_freqs"
2039 wmav2_encoder_select="mdct sinewin wma_freqs"
2040 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2041 wmv1_decoder_select="h263_decoder"
2042 wmv1_encoder_select="h263_encoder"
2043 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2044 wmv2_encoder_select="h263_encoder wmv2dsp"
2045 wmv3_decoder_select="vc1_decoder"
2046 wmv3image_decoder_select="wmv3_decoder"
2047 zerocodec_decoder_deps="zlib"
2048 zlib_decoder_deps="zlib"
2049 zlib_encoder_deps="zlib"
2050 zmbv_decoder_deps="zlib"
2051 zmbv_encoder_deps="zlib"
2052
2053 # hardware accelerators
2054 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2055 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2056 vaapi_deps="va_va_h"
2057 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2058 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2059 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2060
2061 h263_vaapi_hwaccel_deps="vaapi"
2062 h263_vaapi_hwaccel_select="h263_decoder"
2063 h264_d3d11va_hwaccel_deps="d3d11va"
2064 h264_d3d11va_hwaccel_select="h264_decoder"
2065 h264_dxva2_hwaccel_deps="dxva2"
2066 h264_dxva2_hwaccel_select="h264_decoder"
2067 h264_mmal_decoder_deps="mmal"
2068 h264_mmal_hwaccel_deps="mmal"
2069 h264_mmal_decoder_select="h264_decoder"
2070 h264_mmal_encoder_deps="mmal"
2071 h264_qsv_hwaccel_deps="libmfx"
2072 h264_vaapi_hwaccel_deps="vaapi"
2073 h264_vaapi_hwaccel_select="h264_decoder"
2074 h264_vda_hwaccel_deps="vda"
2075 h264_vda_hwaccel_select="h264_decoder"
2076 h264_vda_old_hwaccel_deps="vda"
2077 h264_vda_old_hwaccel_select="h264_decoder"
2078 h264_vdpau_hwaccel_deps="vdpau"
2079 h264_vdpau_hwaccel_select="h264_decoder"
2080 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2081 hevc_d3d11va_hwaccel_select="hevc_decoder"
2082 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2083 hevc_dxva2_hwaccel_select="hevc_decoder"
2084 hevc_qsv_hwaccel_deps="libmfx"
2085 mpeg1_vdpau_hwaccel_deps="vdpau"
2086 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2087 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2088 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2089 mpeg2_dxva2_hwaccel_deps="dxva2"
2090 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2091 mpeg2_qsv_hwaccel_deps="libmfx"
2092 mpeg2_vaapi_hwaccel_deps="vaapi"
2093 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2094 mpeg2_vdpau_hwaccel_deps="vdpau"
2095 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2096 mpeg4_vaapi_hwaccel_deps="vaapi"
2097 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2098 mpeg4_vdpau_hwaccel_deps="vdpau"
2099 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2100 vc1_d3d11va_hwaccel_deps="d3d11va"
2101 vc1_d3d11va_hwaccel_select="vc1_decoder"
2102 vc1_dxva2_hwaccel_deps="dxva2"
2103 vc1_dxva2_hwaccel_select="vc1_decoder"
2104 vc1_vaapi_hwaccel_deps="vaapi"
2105 vc1_vaapi_hwaccel_select="vc1_decoder"
2106 vc1_vdpau_hwaccel_deps="vdpau"
2107 vc1_vdpau_hwaccel_select="vc1_decoder"
2108 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2109 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2110 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2111 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2112
2113 # parsers
2114 h264_parser_select="h264_decoder"
2115 hevc_parser_select="golomb"
2116 mpegvideo_parser_select="mpegvideo"
2117 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
2118 vc1_parser_select="mpegvideo startcode vc1_decoder"
2119
2120 # bitstream_filters
2121 mjpeg2jpeg_bsf_select="jpegtables"
2122
2123 # external libraries
2124 libdcadec_decoder_deps="libdcadec"
2125 libfaac_encoder_deps="libfaac"
2126 libfaac_encoder_select="audio_frame_queue"
2127 libfdk_aac_decoder_deps="libfdk_aac"
2128 libfdk_aac_encoder_deps="libfdk_aac"
2129 libfdk_aac_encoder_select="audio_frame_queue"
2130 libgsm_decoder_deps="libgsm"
2131 libgsm_encoder_deps="libgsm"
2132 libgsm_ms_decoder_deps="libgsm"
2133 libgsm_ms_encoder_deps="libgsm"
2134 libilbc_decoder_deps="libilbc"
2135 libilbc_encoder_deps="libilbc"
2136 libkvazaar_encoder_deps="libkvazaar"
2137 libmp3lame_encoder_deps="libmp3lame"
2138 libmp3lame_encoder_select="audio_frame_queue"
2139 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2140 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2141 libopencore_amrnb_encoder_select="audio_frame_queue"
2142 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2143 libopenh264_encoder_deps="libopenh264"
2144 libopenjpeg_decoder_deps="libopenjpeg"
2145 libopenjpeg_encoder_deps="libopenjpeg"
2146 libopus_decoder_deps="libopus"
2147 libopus_encoder_deps="libopus"
2148 libopus_encoder_select="audio_frame_queue"
2149 libschroedinger_decoder_deps="libschroedinger"
2150 libschroedinger_encoder_deps="libschroedinger"
2151 libspeex_decoder_deps="libspeex"
2152 libspeex_encoder_deps="libspeex"
2153 libspeex_encoder_select="audio_frame_queue"
2154 libtheora_encoder_deps="libtheora"
2155 libtwolame_encoder_deps="libtwolame"
2156 libvo_aacenc_encoder_deps="libvo_aacenc"
2157 libvo_aacenc_encoder_select="audio_frame_queue"
2158 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2159 libvorbis_encoder_deps="libvorbis"
2160 libvorbis_encoder_select="audio_frame_queue"
2161 libvpx_vp8_decoder_deps="libvpx"
2162 libvpx_vp8_encoder_deps="libvpx"
2163 libvpx_vp9_decoder_deps="libvpx"
2164 libvpx_vp9_encoder_deps="libvpx"
2165 libwavpack_encoder_deps="libwavpack"
2166 libwebp_encoder_deps="libwebp"
2167 libx262_encoder_deps="libx262"
2168 libx264_encoder_deps="libx264"
2169 libx265_encoder_deps="libx265"
2170 libxavs_encoder_deps="libxavs"
2171 libxvid_encoder_deps="libxvid"
2172
2173 # demuxers / muxers
2174 ac3_demuxer_select="ac3_parser"
2175 asf_demuxer_select="riffdec"
2176 asf_muxer_select="riffenc"
2177 asf_stream_muxer_select="asf_muxer"
2178 avi_demuxer_select="riffdec"
2179 avi_muxer_select="riffenc"
2180 avisynth_demuxer_deps="avisynth"
2181 avisynth_demuxer_select="riffdec"
2182 caf_demuxer_select="riffdec"
2183 dash_muxer_select="mp4_muxer"
2184 dirac_demuxer_select="dirac_parser"
2185 dv_demuxer_select="dvprofile"
2186 dv_muxer_select="dvprofile"
2187 dxa_demuxer_select="riffdec"
2188 eac3_demuxer_select="ac3_parser"
2189 f4v_muxer_select="mov_muxer"
2190 flac_demuxer_select="flac_parser"
2191 hds_muxer_select="flv_muxer"
2192 hls_muxer_select="mpegts_muxer"
2193 ipod_muxer_select="mov_muxer"
2194 ismv_muxer_select="mov_muxer"
2195 matroska_audio_muxer_select="matroska_muxer"
2196 matroska_demuxer_select="riffdec"
2197 matroska_demuxer_suggest="bzlib lzo zlib"
2198 matroska_muxer_select="riffenc"
2199 mmf_muxer_select="riffenc"
2200 mov_demuxer_select="riffdec"
2201 mov_demuxer_suggest="zlib"
2202 mov_muxer_select="riffenc rtpenc_chain"
2203 mp3_demuxer_select="mpegaudio_parser"
2204 mp4_muxer_select="mov_muxer"
2205 mpegts_muxer_select="adts_muxer latm_muxer"
2206 mpegtsraw_demuxer_select="mpegts_demuxer"
2207 mxf_d10_muxer_select="mxf_muxer"
2208 nut_muxer_select="riffenc"
2209 nuv_demuxer_select="riffdec"
2210 oga_muxer_select="ogg_muxer"
2211 ogg_demuxer_select="golomb"
2212 opus_muxer_select="ogg_muxer"
2213 psp_muxer_select="mov_muxer"
2214 rtp_demuxer_select="sdp_demuxer"
2215 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2216 rtsp_demuxer_select="http_protocol rtpdec"
2217 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2218 sap_demuxer_select="sdp_demuxer"
2219 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2220 sdp_demuxer_select="rtpdec"
2221 smoothstreaming_muxer_select="ismv_muxer"
2222 spdif_muxer_select="aac_parser"
2223 spx_muxer_select="ogg_muxer"
2224 tak_demuxer_select="tak_parser"
2225 tg2_muxer_select="mov_muxer"
2226 tgp_muxer_select="mov_muxer"
2227 w64_demuxer_select="wav_demuxer"
2228 wav_demuxer_select="riffdec"
2229 wav_muxer_select="riffenc"
2230 webm_muxer_select="riffenc"
2231 webm_muxer_suggest="libopus_encoder libvorbis_encoder libvpx_vp8_encoder libvpx_vp9_encoder"
2232 wtv_demuxer_select="riffdec"
2233 xmv_demuxer_select="riffdec"
2234 xwma_demuxer_select="riffdec"
2235
2236 # indevs / outdevs
2237 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2238 alsa_outdev_deps="alsa_asoundlib_h"
2239 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2240 dv1394_indev_deps="dv1394"
2241 dv1394_indev_select="dv_demuxer"
2242 fbdev_indev_deps="linux_fb_h"
2243 jack_indev_deps="jack_jack_h pthreads"
2244 libcdio_indev_deps="libcdio"
2245 libdc1394_indev_deps="libdc1394"
2246 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2247 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2248 pulse_indev_deps="libpulse"
2249 sndio_indev_deps="sndio_h"
2250 sndio_outdev_deps="sndio_h"
2251 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2252 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2253 vfwcap_indev_extralibs="-lavicap32"
2254 x11grab_indev_deps="x11grab"
2255 x11grab_xcb_indev_deps="libxcb"
2256
2257 # protocols
2258 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2259 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2260 ffrtmpcrypt_protocol_select="tcp_protocol"
2261 ffrtmphttp_protocol_deps="!librtmp_protocol"
2262 ffrtmphttp_protocol_select="http_protocol"
2263 gopher_protocol_select="network"
2264 http_protocol_select="tcp_protocol"
2265 httpproxy_protocol_select="tcp_protocol"
2266 https_protocol_select="tls_protocol"
2267 icecast_protocol_select="http_protocol"
2268 librtmp_protocol_deps="librtmp"
2269 librtmpe_protocol_deps="librtmp"
2270 librtmps_protocol_deps="librtmp"
2271 librtmpt_protocol_deps="librtmp"
2272 librtmpte_protocol_deps="librtmp"
2273 mmsh_protocol_select="http_protocol"
2274 mmst_protocol_select="network"
2275 rtmp_protocol_deps="!librtmp_protocol"
2276 rtmp_protocol_select="tcp_protocol"
2277 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2278 rtmps_protocol_deps="!librtmp_protocol"
2279 rtmps_protocol_select="tls_protocol"
2280 rtmpt_protocol_select="ffrtmphttp_protocol"
2281 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2282 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2283 rtp_protocol_select="udp_protocol"
2284 sctp_protocol_deps="struct_sctp_event_subscribe"
2285 sctp_protocol_select="network"
2286 srtp_protocol_select="rtp_protocol"
2287 tcp_protocol_select="network"
2288 tls_gnutls_protocol_deps="gnutls"
2289 tls_gnutls_protocol_select="tcp_protocol"
2290 tls_openssl_protocol_deps="openssl !tls_gnutls_protocol"
2291 tls_openssl_protocol_select="tcp_protocol"
2292 tls_protocol_deps_any="tls_gnutls_protocol tls_openssl_protocol"
2293 udp_protocol_select="network"
2294 unix_protocol_deps="sys_un_h"
2295 unix_protocol_select="network"
2296
2297 # filters
2298 blackframe_filter_deps="gpl"
2299 boxblur_filter_deps="gpl"
2300 bs2b_filter_deps="libbs2b"
2301 cropdetect_filter_deps="gpl"
2302 delogo_filter_deps="gpl"
2303 drawtext_filter_deps="libfreetype"
2304 frei0r_filter_deps="frei0r dlopen"
2305 frei0r_filter_extralibs='$ldl'
2306 frei0r_src_filter_deps="frei0r dlopen"
2307 frei0r_src_filter_extralibs='$ldl'
2308 hqdn3d_filter_deps="gpl"
2309 interlace_filter_deps="gpl"
2310 ocv_filter_deps="libopencv"
2311 resample_filter_deps="avresample"
2312 scale_filter_deps="swscale"
2313
2314 # examples
2315 avcodec_example_deps="avcodec avutil"
2316 filter_audio_example_deps="avfilter avutil"
2317 metadata_example_deps="avformat avutil"
2318 output_example_deps="avcodec avformat avutil swscale"
2319 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2320 transcode_aac_example_deps="avcodec avformat avresample"
2321
2322 # libraries, in linking order
2323 avcodec_deps="avutil"
2324 avdevice_deps="avformat avcodec avutil"
2325 avfilter_deps="avutil"
2326 avformat_deps="avcodec avutil"
2327 avresample_deps="avutil"
2328 swscale_deps="avutil"
2329
2330 # programs
2331 avconv_deps="avcodec avfilter avformat avresample swscale"
2332 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2333 fps_filter null_filter resample_filter scale_filter
2334 setpts_filter trim_filter"
2335 avplay_deps="avcodec avformat avresample swscale sdl"
2336 avplay_libs='$sdl_libs'
2337 avplay_select="rdft transpose_filter hflip_filter vflip_filter"
2338 avprobe_deps="avcodec avformat"
2339
2340 # documentation
2341 pod2man_deps="doc"
2342 texi2html_deps="doc"
2343
2344 # default parameters
2345
2346 logfile="config.log"
2347
2348 # installation paths
2349 prefix_default="/usr/local"
2350 bindir_default='${prefix}/bin'
2351 datadir_default='${prefix}/share/avconv'
2352 docdir_default='${prefix}/share/doc/libav'
2353 incdir_default='${prefix}/include'
2354 libdir_default='${prefix}/lib'
2355 mandir_default='${prefix}/share/man'
2356 shlibdir_default="$libdir_default"
2357
2358 # toolchain
2359 ar_default="ar"
2360 cc_default="gcc"
2361 host_cc_default="gcc"
2362 cp_f="cp -f"
2363 ln_s="ln -s -f"
2364 nm_default="nm -g"
2365 objformat="elf"
2366 pkg_config_default=pkg-config
2367 ranlib="ranlib"
2368 strip="strip"
2369 yasmexe="yasm"
2370
2371 # machine
2372 arch_default=$(uname -m)
2373 cpu="generic"
2374 intrinsics="none"
2375
2376 # OS
2377 target_os_default=$(tolower $(uname -s))
2378 host_os=$target_os_default
2379
2380 # configurable options
2381 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2382
2383 enable asm
2384 enable debug
2385 enable doc
2386 enable faan faandct faanidct
2387 enable optimizations
2388 enable safe_bitstream_reader
2389 enable static
2390 enable swscale_alpha
2391 enable valgrind_backtrace
2392
2393 # By default, enable only those hwaccels that have no external dependencies.
2394 enable d3d11va dxva2 vda vdpau
2395
2396 # build settings
2397 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2398 LIBPREF="lib"
2399 LIBSUF=".a"
2400 FULLNAME='$(NAME)$(BUILDSUF)'
2401 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2402 SLIBPREF="lib"
2403 SLIBSUF=".so"
2404 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2405 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2406 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2407 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2408 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2409 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2410
2411 asflags_filter=echo
2412 cflags_filter=echo
2413 ldflags_filter=echo
2414
2415 AS_C='-c'
2416 AS_O='-o $@'
2417 CC_C='-c'
2418 CC_E='-E -o $@'
2419 CC_O='-o $@'
2420 LD_O='-o $@'
2421 LD_LIB='-l%'
2422 LD_PATH='-L'
2423 HOSTCC_C='-c'
2424 HOSTCC_E='-E -o $@'
2425 HOSTCC_O='-o $@'
2426 HOSTLD_O='-o $@'
2427
2428 host_libs='-lm'
2429 host_cflags_filter=echo
2430 host_ldflags_filter=echo
2431
2432 target_path='$(CURDIR)'
2433
2434 # since the object filename is not given with the -MM flag, the compiler
2435 # is only able to print the basename, and we must add the path ourselves
2436 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2437 DEPFLAGS='-MM'
2438
2439 # find source path
2440 if test -f configure; then
2441 source_path=.
2442 else
2443 source_path=$(cd $(dirname "$0"); pwd)
2444 echo "$source_path" | grep -q '[[:blank:]]' &&
2445 die "Out of tree builds are impossible with whitespace in source path."
2446 test -e "$source_path/config.h" &&
2447 die "Out of tree builds are impossible with config.h in source dir."
2448 fi
2449
2450 for v in "$@"; do
2451 r=${v#*=}
2452 l=${v%"$r"}
2453 r=$(sh_quote "$r")
2454 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2455 done
2456
2457 find_things(){
2458 thing=$1
2459 pattern=$2
2460 file=$source_path/$3
2461 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2462 }
2463
2464 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2465 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2466 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2467 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2468 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2469 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2470 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2471 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2472 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2473 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2474 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2475
2476 ALL_COMPONENTS="
2477 $BSF_LIST
2478 $DECODER_LIST
2479 $DEMUXER_LIST
2480 $ENCODER_LIST
2481 $FILTER_LIST
2482 $HWACCEL_LIST
2483 $INDEV_LIST
2484 $MUXER_LIST
2485 $OUTDEV_LIST
2486 $PARSER_LIST
2487 $PROTOCOL_LIST
2488 "
2489
2490 for n in $COMPONENT_LIST; do
2491 v=$(toupper ${n%s})_LIST
2492 eval enable \$$v
2493 eval ${n}_if_any="\$$v"
2494 done
2495
2496 enable $ARCH_EXT_LIST
2497
2498 die_unknown(){
2499 echo "Unknown option \"$1\"."
2500 echo "See $0 --help for available options."
2501 exit 1
2502 }
2503
2504 print_3_columns() {
2505 cat | tr ' ' '\n' | sort | pr -r -3 -t
2506 }
2507
2508 show_list() {
2509 suffix=_$1
2510 shift
2511 echo $* | sed s/$suffix//g | print_3_columns
2512 exit 0
2513 }
2514
2515 rand_list(){
2516 IFS=', '
2517 set -- $*
2518 unset IFS
2519 for thing; do
2520 comp=${thing%:*}
2521 prob=${thing#$comp}
2522 prob=${prob#:}
2523 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2524 echo "prob ${prob:-0.5}"
2525 printf '%s\n' $comp
2526 done
2527 }
2528
2529 do_random(){
2530 action=$1
2531 shift
2532 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2533 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2534 }
2535
2536 for opt do
2537 optval="${opt#*=}"
2538 case "$opt" in
2539 --extra-ldflags=*)
2540 add_ldflags $optval
2541 ;;
2542 --extra-ldexeflags=*)
2543 add_ldexeflags $optval
2544 ;;
2545 --extra-libs=*)
2546 add_extralibs $optval
2547 ;;
2548 --disable-devices)
2549 disable $INDEV_LIST $OUTDEV_LIST
2550 ;;
2551 --enable-debug=*)
2552 debuglevel="$optval"
2553 ;;
2554 --disable-programs)
2555 disable $PROGRAM_LIST
2556 ;;
2557 --disable-everything)
2558 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2559 ;;
2560 --disable-all)
2561 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2562 disable $LIBRARY_LIST $PROGRAM_LIST doc
2563 ;;
2564 --enable-random|--disable-random)
2565 action=${opt%%-random}
2566 do_random ${action#--} $COMPONENT_LIST
2567 ;;
2568 --enable-random=*|--disable-random=*)
2569 action=${opt%%-random=*}
2570 do_random ${action#--} $optval
2571 ;;
2572 --enable-*=*|--disable-*=*)
2573 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2574 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2575 eval list=\$$(toupper $thing)_LIST
2576 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2577 $action $(filter "$name" $list)
2578 ;;
2579 --enable-avserver|--disable-avserver*)
2580 warn "avserver has been removed, the ${opt} option is only"\
2581 "provided for compatibility and will be removed in the future"
2582 ;;
2583 --enable-?*|--disable-?*)
2584 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2585 if is_in $option $COMPONENT_LIST; then
2586 test $action = disable && action=unset
2587 eval $action \$$(toupper ${option%s})_LIST
2588 elif is_in $option $CMDLINE_SELECT; then
2589 $action $option
2590 else
2591 die_unknown $opt
2592 fi
2593 ;;
2594 --list-*)
2595 NAME="${opt#--list-}"
2596 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2597 NAME=${NAME%s}
2598 eval show_list $NAME \$$(toupper $NAME)_LIST
2599 ;;
2600 --help|-h) show_help
2601 ;;
2602 *)
2603 optname="${opt%%=*}"
2604 optname="${optname#--}"
2605 optname=$(echo "$optname" | sed 's/-/_/g')
2606 if is_in $optname $CMDLINE_SET; then
2607 eval $optname='$optval'
2608 elif is_in $optname $CMDLINE_APPEND; then
2609 append $optname "$optval"
2610 else
2611 die_unknown $opt
2612 fi
2613 ;;
2614 esac
2615 done
2616
2617 for e in $env; do
2618 eval "export $e"
2619 done
2620
2621 disabled logging && logfile=/dev/null
2622
2623 # Disable all the library-specific components if the library itself
2624 # is disabled, see AVCODEC_LIST and following _LIST variables.
2625
2626 disable_components(){
2627 disabled ${1} && disable $(
2628 eval components="\$$(toupper ${1})_COMPONENTS"
2629 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
2630 )
2631 }
2632
2633 map 'disable_components $v' $LIBRARY_LIST
2634
2635 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2636 set >> $logfile
2637
2638 case "$toolchain" in
2639 clang-asan)
2640 cc_default="clang"
2641 add_cflags -fsanitize=address
2642 add_ldflags -fsanitize=address
2643 ;;
2644 clang-tsan)
2645 cc_default="clang"
2646 add_cflags -fsanitize=thread -pie
2647 add_ldflags -fsanitize=thread -pie
2648 ;;
2649 clang-usan)
2650 cc_default="clang"
2651 add_cflags -fsanitize=undefined -O1
2652 add_ldflags -fsanitize=undefined
2653 ;;
2654 gcc-asan)
2655 cc_default="gcc"
2656 add_cflags -fsanitize=address
2657 add_ldflags -fsanitize=address
2658 ;;
2659 gcc-tsan)
2660 cc_default="gcc"
2661 add_cflags -fsanitize=thread -pie -fPIC
2662 add_ldflags -fsanitize=thread -pie -fPIC
2663 ;;
2664 gcc-usan)
2665 cc_default="gcc"
2666 add_cflags -fsanitize=undefined
2667 add_ldflags -fsanitize=undefined
2668 ;;
2669 valgrind-massif)
2670 target_exec_default="valgrind"
2671 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2672 ;;
2673 valgrind-memcheck)
2674 target_exec_default="valgrind"
2675 target_exec_args="--track-origins=yes --leak-check=full"
2676 ;;
2677 msvc)
2678 # Check whether the current MSVC version needs the C99 converter.
2679 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2680 # support enough of C99 to build libav. Default to the new
2681 # behaviour if the regexp was unable to match anything, since this
2682 # successfully parses the version number of existing supported
2683 # versions that require the converter (MSVC 2010 and 2012).
2684 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2685 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2686 cc_default="cl"
2687 else
2688 cc_default="c99wrap cl"
2689 fi
2690 ld_default="$source_path/compat/windows/mslink"
2691 nm_default="dumpbin -symbols"
2692 ar_default="lib"
2693 case "$arch" in
2694 arm*)
2695 as_default="armasm"
2696 ;;
2697 esac
2698 target_os_default="win32"
2699 # Use a relative path for TMPDIR. This makes sure all the
2700 # ffconf temp files are written with a relative path, avoiding
2701 # issues with msys/win32 path conversion for MSVC parameters
2702 # such as -Fo<file> or -out:<file>.
2703 TMPDIR=.
2704 ;;
2705 icl)
2706 cc_default="icl"
2707 ld_default="xilink"
2708 nm_default="dumpbin -symbols"
2709 ar_default="xilib"
2710 target_os_default="win32"
2711 TMPDIR=.
2712 ;;
2713 gcov)
2714 add_cflags -fprofile-arcs -ftest-coverage
2715 add_ldflags -fprofile-arcs -ftest-coverage
2716 ;;
2717 hardened)
2718 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
2719 add_cflags -fno-strict-overflow -fstack-protector-all
2720 add_ldflags -Wl,-z,relro -Wl,-z,now
2721 ;;
2722 ?*)
2723 die "Unknown toolchain $toolchain"
2724 ;;
2725 esac
2726
2727 test -n "$cross_prefix" && enable cross_compile
2728
2729 if enabled cross_compile; then
2730 test -n "$arch" && test -n "$target_os" ||
2731 die "Must specify target arch and OS when cross-compiling"
2732 fi
2733
2734 ar_default="${cross_prefix}${ar_default}"
2735 cc_default="${cross_prefix}${cc_default}"
2736 nm_default="${cross_prefix}${nm_default}"
2737 pkg_config_default="${cross_prefix}${pkg_config_default}"
2738 ranlib="${cross_prefix}${ranlib}"
2739 strip="${cross_prefix}${strip}"
2740
2741 sysinclude_default="${sysroot}/usr/include"
2742
2743 set_default arch cc pkg_config sysinclude target_exec target_os
2744 enabled cross_compile || host_cc_default=$cc
2745 set_default host_cc
2746
2747 if ! $pkg_config --version >/dev/null 2>&1; then
2748 warn "$pkg_config not found, library detection may fail."
2749 pkg_config=false
2750 fi
2751
2752 exesuf() {
2753 case $1 in
2754 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2755 esac
2756 }
2757
2758 EXESUF=$(exesuf $target_os)
2759 HOSTEXESUF=$(exesuf $host_os)
2760
2761 # set temporary file name
2762 : ${TMPDIR:=$TEMPDIR}
2763 : ${TMPDIR:=$TMP}
2764 : ${TMPDIR:=/tmp}
2765
2766 if ! check_cmd mktemp -u XXXXXX; then
2767 # simple replacement for missing mktemp
2768 # NOT SAFE FOR GENERAL USE
2769 mktemp(){
2770 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2771 }
2772 fi
2773
2774 tmpfile(){
2775 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2776 (set -C; exec > $tmp) 2>/dev/null ||
2777 die "Unable to create temporary file in $TMPDIR."
2778 append TMPFILES $tmp
2779 eval $1=$tmp
2780 }
2781
2782 trap 'rm -f -- $TMPFILES' EXIT
2783
2784 tmpfile TMPASM .asm
2785 tmpfile TMPC .c
2786 tmpfile TMPE $EXESUF
2787 tmpfile TMPH .h
2788 tmpfile TMPO .o
2789 tmpfile TMPS .S
2790 tmpfile TMPSH .sh
2791 tmpfile TMPV .ver
2792
2793 unset -f mktemp
2794
2795 chmod +x $TMPE
2796
2797 # make sure we can execute files in $TMPDIR
2798 cat > $TMPSH 2>> $logfile <<EOF
2799 #! /bin/sh
2800 EOF
2801 chmod +x $TMPSH >> $logfile 2>&1
2802 if ! $TMPSH >> $logfile 2>&1; then
2803 cat <<EOF
2804 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2805 variable to another directory and make sure that it is not mounted noexec.
2806 EOF
2807 die "Sanity test failed."
2808 fi
2809
2810 armasm_flags(){
2811 for flag; do
2812 case $flag in
2813 # Filter out MSVC cl.exe options from cflags that shouldn't
2814 # be passed to gas-preprocessor
2815 -M[TD]*) ;;
2816 *) echo $flag ;;
2817 esac
2818 done
2819 }
2820
2821 ccc_flags(){
2822 for flag; do
2823 case $flag in
2824 -std=c99) echo -c99 ;;
2825 -mcpu=*) echo -arch ${flag#*=} ;;
2826 -mieee) echo -ieee ;;
2827 -O*|-fast) echo $flag ;;
2828 -fno-math-errno) echo -assume nomath_errno ;;
2829 -g) echo -g3 ;;
2830 -Wall) echo -msg_enable level2 ;;
2831 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2832 -Wl,*) echo $flag ;;
2833 -f*|-W*) ;;
2834 *) echo $flag ;;
2835 esac
2836 done
2837 }
2838
2839 cparser_flags(){
2840 for flag; do
2841 case $flag in
2842 -Wno-switch) echo -Wno-switch-enum ;;
2843 -Wno-format-zero-length) ;;
2844 -Wdisabled-optimization) ;;
2845 -Wno-pointer-sign) echo -Wno-other ;;
2846 *) echo $flag ;;
2847 esac
2848 done
2849 }
2850
2851 msvc_common_flags(){
2852 for flag; do
2853 case $flag in
2854 # In addition to specifying certain flags under the compiler
2855 # specific filters, they must be specified here as well or else the
2856 # generic catch all at the bottom will print the original flag.
2857 -Wall) ;;
2858 -std=c99) ;;
2859 # Common flags
2860 -fomit-frame-pointer) ;;
2861 -g) echo -Z7 ;;
2862 -fno-math-errno) ;;
2863 -fno-common) ;;
2864 -fno-signed-zeros) ;;
2865 -fPIC) ;;
2866 -mthumb) ;;
2867 -march=*) ;;
2868 -lz) echo zlib.lib ;;
2869 -lavifil32) echo vfw32.lib ;;
2870 -lavicap32) echo vfw32.lib user32.lib ;;
2871 -l*) echo ${flag#-l}.lib ;;
2872 -L*) echo -libpath:${flag#-L} ;;
2873 *) echo $flag ;;
2874 esac
2875 done
2876 }
2877
2878 msvc_flags(){
2879 msvc_common_flags "$@"
2880 for flag; do
2881 case $flag in
2882 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2883 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2884 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2885 -wd4273 -wd4554 -wd4701 ;;
2886 esac
2887 done
2888 }
2889
2890 icl_flags(){
2891 msvc_common_flags "$@"
2892 for flag; do
2893 case $flag in
2894 # Despite what Intel's documentation says -Wall, which is supported
2895 # on Windows, does enable remarks so disable them here.
2896 -Wall) echo $flag -Qdiag-disable:remark ;;
2897 -std=c99) echo -Qstd=c99 ;;
2898 esac
2899 done
2900 }
2901
2902 pgi_flags(){
2903 for flag; do
2904 case $flag in
2905 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2906 -fomit-frame-pointer) echo -Mnoframe ;;
2907 -g) echo -gopt ;;
2908 *) echo $flag ;;
2909 esac
2910 done
2911 }
2912
2913 suncc_flags(){
2914 for flag; do
2915 case $flag in
2916 -march=*|-mcpu=*)
2917 case "${flag#*=}" in
2918 native) echo -xtarget=native ;;
2919 v9|niagara) echo -xarch=sparc ;;
2920 ultrasparc) echo -xarch=sparcvis ;;
2921 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2922 i586|pentium) echo -xchip=pentium ;;
2923 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2924 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2925 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2926 pentium4*) echo -xtarget=pentium4 ;;
2927 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2928 *-sse3) echo -xarch=sse3 ;;
2929 core2) echo -xarch=ssse3 -xchip=core2 ;;
2930 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2931 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2932 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
2933 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2934 k8|opteron|athlon64|athlon-fx)
2935 echo -xarch=sse2a ;;
2936 athlon*) echo -xarch=pentium_proa ;;
2937 esac
2938 ;;
2939 -std=c99) echo -xc99 ;;
2940 -fomit-frame-pointer) echo -xregs=frameptr ;;
2941 -fPIC) echo -KPIC -xcode=pic32 ;;
2942 -W*,*) echo $flag ;;
2943 -f*-*|-W*|-mimpure-text) ;;
2944 -shared) echo -G ;;
2945 *) echo $flag ;;
2946 esac
2947 done
2948 }
2949
2950 tms470_flags(){
2951 for flag; do
2952 case $flag in
2953 -march=*|-mcpu=*)
2954 case "${flag#*=}" in
2955 armv7-a|cortex-a*) echo -mv=7a8 ;;
2956 armv7-r|cortex-r*) echo -mv=7r4 ;;
2957 armv7-m|cortex-m*) echo -mv=7m3 ;;
2958 armv6*|arm11*) echo -mv=6 ;;
2959 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2960 echo -mv=5e ;;
2961 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2962 esac
2963 ;;
2964 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2965 -mfpu=vfp) echo --float_support=vfpv2 ;;
2966 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2967 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
2968 -msoft-float) echo --float_support=vfplib ;;
2969 -O[0-3]|-mf=*) echo $flag ;;
2970 -g) echo -g -mn ;;
2971 -pds=*) echo $flag ;;
2972 -D*|-I*) echo $flag ;;
2973 --gcc|--abi=*) echo $flag ;;
2974 -me) echo $flag ;;
2975 esac
2976 done
2977 }
2978
2979 probe_cc(){
2980 pfx=$1
2981 _cc=$2
2982
2983 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2984 unset _ld_o _ldflags _ld_lib _ld_path
2985 unset _depflags _DEPCMD _DEPFLAGS
2986 _flags_filter=echo
2987
2988 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2989 _type=llvm_gcc
2990 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
2991 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
2992 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2993 _cflags_speed='-O3'
2994 _cflags_size='-Os'
2995 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2996 _type=gcc
2997 gcc_version=$($_cc --version | head -n1)
2998 gcc_basever=$($_cc -dumpversion)
2999 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3000 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3001 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3002 if ! $_cc -dumpversion | grep -q '^2\.'; then
3003 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3004 fi
3005 _cflags_speed='-O3'
3006 _cflags_size='-Os'
3007 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3008 _type=icc
3009 _ident=$($_cc --version | head -n1)
3010 _depflags='-MMD'
3011 _cflags_speed='-O3'
3012 _cflags_size='-Os'
3013 _cflags_noopt='-O1'
3014 elif $_cc -v 2>&1 | grep -q xlc; then
3015 _type=xlc
3016 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3017 _cflags_speed='-O5'
3018 _cflags_size='-O5 -qcompact'
3019 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3020 _type=ccc
3021 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3022 _DEPFLAGS='-M'
3023 _cflags_speed='-fast'
3024 _cflags_size='-O1'
3025 _flags_filter=ccc_flags
3026 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3027 test -d "$sysroot" || die "No valid sysroot specified."
3028 _type=armcc
3029 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3030 armcc_conf="$PWD/armcc.conf"
3031 $_cc --arm_linux_configure \
3032 --arm_linux_config_file="$armcc_conf" \
3033 --configure_sysroot="$sysroot" \
3034 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3035 die "Error creating armcc configuration file."
3036 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3037 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3038 as_default="${cross_prefix}gcc"
3039 _depflags='-MMD'
3040 _cflags_speed='-O3'
3041 _cflags_size='-Os'
3042 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3043 _type=tms470
3044 _ident=$($_cc -version | head -n1 | tr -s ' ')
3045 _flags='--gcc --abi=eabi -me'
3046 _cc_e='-ppl -fe=$@'
3047 _cc_o='-fe=$@'
3048 _depflags='-ppa -ppd=$(@:.o=.d)'
3049 _cflags_speed='-O3 -mf=5'
3050 _cflags_size='-O3 -mf=2'
3051 _flags_filter=tms470_flags
3052 elif $_cc -v 2>&1 | grep -q clang; then
3053 _type=clang
3054 _ident=$($_cc --version 2>/dev/null | head -n1)
3055 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3056 _cflags_speed='-O3'
3057 _cflags_size='-Os'
3058 elif $_cc -V 2>&1 | grep -q Sun; then
3059 _type=suncc
3060 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3061 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3062 _DEPFLAGS='-xM1 -xc99'
3063 _ldflags='-std=c99'
3064 _cflags_speed='-O5'
3065 _cflags_size='-O5 -xspace'
3066 _flags_filter=suncc_flags
3067 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3068 _type=pathscale
3069 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3070 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3071 _cflags_speed='-O2'
3072 _cflags_size='-Os'
3073 _flags_filter='filter_out -Wdisabled-optimization'
3074 elif $_cc -v 2>&1 | grep -q Open64; then
3075 _type=open64
3076 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3077 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3078 _cflags_speed='-O2'
3079 _cflags_size='-Os'
3080 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3081 elif $_cc -V 2>&1 | grep -q Portland; then
3082 _type=pgi
3083 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3084 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3085 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3086 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3087 _cflags_noopt="-O1"
3088 _flags_filter=pgi_flags
3089 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3090 _type=armasm
3091 _ident=$($_cc | head -n1)
3092 # 4509: "This form of conditional instruction is deprecated"
3093 _flags="-nologo -ignore 4509"
3094 _flags_filter=armasm_flags
3095 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3096 _type=msvc
3097 _ident=$($_cc 2>&1 | head -n1)
3098 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3099 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3100 _cflags_speed="-O2"
3101 _cflags_size="-O1"
3102 if $_cc -nologo- 2>&1 | grep -q Linker; then
3103 _ld_o='-out:$@'
3104 else
3105 _ld_o='-Fe$@'
3106 fi
3107 _cc_o='-Fo$@'
3108 _cc_e='-P -Fi$@'
3109 _flags_filter=msvc_flags
3110 _ld_lib='lib%.a'
3111 _ld_path='-libpath:'
3112 _flags='-nologo'
3113 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS'
3114 elif $_cc 2>&1 | grep -q Intel; then
3115 _type=icl
3116 _ident=$($_cc 2>&1 | head -n1)
3117 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3118 # Not only is O3 broken on 13.x+ but it is slower on all previous
3119 # versions (tested) as well.
3120 _cflags_speed="-O2"
3121 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3122 if $_cc 2>&1 | grep -q Linker; then
3123 _ld_o='-out:$@'
3124 else
3125 _ld_o='-Fe$@'
3126 fi
3127 _cc_o='-Fo$@'
3128 _cc_e='-P'
3129 _flags_filter=icl_flags
3130 _ld_lib='lib%.a'
3131 _ld_path='-libpath:'
3132 # -Qdiag-error to make icl error when seeing certain unknown arguments
3133 _flags='-nologo -Qdiag-error:4044,10157'
3134 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3135 # with MSVC which enables it by default.
3136 _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS'
3137 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3138 _type=cparser
3139 _ident=$($_cc --version | head -n1)
3140 _depflags='-MMD'
3141 _cflags_speed='-O4'
3142 _cflags_size='-O2'
3143 _flags_filter=cparser_flags
3144 fi
3145
3146 eval ${pfx}_type=\$_type
3147 eval ${pfx}_ident=\$_ident
3148 }
3149
3150 set_ccvars(){
3151 eval ${1}_C=\${_cc_c-\${${1}_C}}
3152 eval ${1}_E=\${_cc_e-\${${1}_E}}
3153 eval ${1}_O=\${_cc_o-\${${1}_O}}
3154
3155 if [ -n "$_depflags" ]; then
3156 eval ${1}_DEPFLAGS=\$_depflags
3157 else
3158 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3159 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3160 eval DEP${1}FLAGS=\$_flags
3161 fi
3162 }
3163
3164 probe_cc cc "$cc"
3165 cflags_filter=$_flags_filter
3166 cflags_speed=$_cflags_speed
3167 cflags_size=$_cflags_size
3168 cflags_noopt=$_cflags_noopt
3169 add_cflags $_flags $_cflags
3170 cc_ldflags=$_ldflags
3171 set_ccvars CC
3172
3173 probe_cc hostcc "$host_cc"
3174 host_cflags_filter=$_flags_filter
3175 add_host_cflags $_flags $_cflags
3176 set_ccvars HOSTCC
3177
3178 test -n "$cc_type" && enable $cc_type ||
3179 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3180
3181 : ${as_default:=$cc}
3182 : ${dep_cc_default:=$cc}
3183 : ${ld_default:=$cc}
3184 : ${host_ld_default:=$host_cc}
3185 set_default ar as dep_cc ld host_ld
3186
3187 probe_cc as "$as"
3188 asflags_filter=$_flags_filter
3189 add_asflags $_flags $_cflags
3190 set_ccvars AS
3191
3192 probe_cc ld "$ld"
3193 ldflags_filter=$_flags_filter
3194 add_ldflags $_flags $_ldflags
3195 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3196 LD_O=${_ld_o-$LD_O}
3197 LD_LIB=${_ld_lib-$LD_LIB}
3198 LD_PATH=${_ld_path-$LD_PATH}
3199
3200 probe_cc hostld "$host_ld"
3201 host_ldflags_filter=$_flags_filter
3202 add_host_ldflags $_flags $_ldflags
3203 HOSTLD_O=${_ld_o-$HOSTLD_O}
3204
3205 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3206 probe_cc depcc "$dep_cc"
3207 CCDEP=${_DEPCMD:-$DEPCMD}
3208 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3209 DEPCCFLAGS=$_flags
3210 fi
3211
3212 if $ar 2>&1 | grep -q Microsoft; then
3213 arflags="-nologo"
3214 ar_o='-out:$@'
3215 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3216 arflags="rq"
3217 ar_o='$@'
3218 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3219 arflags='-Xany -r -c'
3220 ar_o='$@'
3221 else
3222 arflags="rc"
3223 ar_o='$@'
3224 fi
3225
3226 add_cflags $extra_cflags
3227 add_asflags $extra_cflags
3228
3229 if test -n "$sysroot"; then
3230 case "$cc_type" in
3231 gcc|llvm_gcc|clang)
3232 add_cppflags --sysroot="$sysroot"
3233 add_ldflags --sysroot="$sysroot"
3234 ;;
3235 tms470)
3236 add_cppflags -I"$sysinclude"
3237 add_ldflags --sysroot="$sysroot"
3238 ;;
3239 esac
3240 fi
3241
3242 if test "$cpu" = host; then
3243 enabled cross_compile &&
3244 die "--cpu=host makes no sense when cross-compiling."
3245
3246 case "$cc_type" in
3247 gcc|llvm_gcc)
3248 check_native(){
3249 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3250 sed -n "/cc1.*$1=/{
3251 s/.*$1=\\([^ ]*\\).*/\\1/
3252 p
3253 q
3254 }" $TMPE
3255 }
3256 cpu=$(check_native -march || check_native -mcpu)
3257 ;;
3258 esac
3259
3260 test "${cpu:-host}" = host &&
3261 die "--cpu=host not supported with compiler $cc"
3262 fi
3263
3264 # Deal with common $arch aliases
3265 case "$arch" in
3266 aarch64|arm64)
3267 arch="aarch64"
3268 ;;
3269 arm*)
3270 arch="arm"
3271 ;;
3272 mips*|IP*)
3273 arch="mips"
3274 ;;
3275 parisc*|hppa*)
3276 arch="parisc"
3277 ;;
3278 "Power Macintosh"|ppc*|powerpc*)
3279 arch="ppc"
3280 ;;
3281 s390|s390x)
3282 arch="s390"
3283 ;;
3284 sh4|sh)
3285 arch="sh4"
3286 ;;
3287 sun4u|sparc*)
3288 arch="sparc"
3289 ;;
3290 tilegx|tile-gx)
3291 arch="tilegx"
3292 ;;
3293 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3294 arch="x86"
3295 ;;
3296 esac
3297
3298 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3299 enable $arch
3300
3301 # Add processor-specific flags
3302 if enabled aarch64; then
3303
3304 case $cpu in
3305 armv*)
3306 cpuflags="-march=$cpu"
3307 ;;
3308 *)
3309 cpuflags="-mcpu=$cpu"
3310 ;;
3311 esac
3312
3313 elif enabled alpha; then
3314
3315 cpuflags="-mcpu=$cpu"
3316
3317 elif enabled arm; then
3318
3319 check_arm_arch() {
3320 check_cpp_condition stddef.h \
3321 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3322 $cpuflags
3323 }
3324
3325 probe_arm_arch() {
3326 if check_arm_arch 4; then echo armv4;
3327 elif check_arm_arch 4T; then echo armv4t;
3328 elif check_arm_arch 5; then echo armv5;
3329 elif check_arm_arch 5E; then echo armv5e;
3330 elif check_arm_arch 5T; then echo armv5t;
3331 elif check_arm_arch 5TE; then echo armv5te;
3332 elif check_arm_arch 5TEJ; then echo armv5te;
3333 elif check_arm_arch 6; then echo armv6;
3334 elif check_arm_arch 6J; then echo armv6j;
3335 elif check_arm_arch 6K; then echo armv6k;
3336 elif check_arm_arch 6Z; then echo armv6z;
3337 elif check_arm_arch 6ZK; then echo armv6zk;
3338 elif check_arm_arch 6T2; then echo armv6t2;
3339 elif check_arm_arch 7; then echo armv7;
3340 elif check_arm_arch 7A 7_A; then echo armv7-a;
3341 elif check_arm_arch 7S; then echo armv7-a;
3342 elif check_arm_arch 7R 7_R; then echo armv7-r;
3343 elif check_arm_arch 7M 7_M; then echo armv7-m;
3344 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3345 elif check_arm_arch 8A 8_A; then echo armv8-a;
3346 fi
3347 }
3348
3349 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3350
3351 case $cpu in
3352 armv*)
3353 cpuflags="-march=$cpu"
3354 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3355 ;;
3356 *)
3357 cpuflags="-mcpu=$cpu"
3358 case $cpu in
3359 cortex-a*) subarch=armv7a ;;
3360 cortex-r*) subarch=armv7r ;;
3361 cortex-m*) enable thumb; subarch=armv7m ;;
3362 arm11*) subarch=armv6 ;;
3363 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3364 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3365 *) subarch=$(probe_arm_arch) ;;
3366 esac
3367 ;;
3368 esac
3369
3370 case "$subarch" in
3371 armv5t*) enable fast_clz ;;
3372 armv[6-8]*) enable fast_clz fast_unaligned ;;
3373 esac
3374
3375 elif enabled avr32; then
3376
3377 case $cpu in
3378 ap7[02]0[0-2])
3379 subarch="avr32_ap"
3380 cpuflags="-mpart=$cpu"
3381 ;;
3382 ap)
3383 subarch="avr32_ap"
3384 cpuflags="-march=$cpu"
3385 ;;
3386 uc3[ab]*)
3387 subarch="avr32_uc"
3388 cpuflags="-mcpu=$cpu"
3389 ;;
3390 uc)
3391 subarch="avr32_uc"
3392 cpuflags="-march=$cpu"
3393 ;;
3394 esac
3395
3396 elif enabled bfin; then
3397
3398 cpuflags="-mcpu=$cpu"
3399
3400 elif enabled mips; then
3401
3402 cpuflags="-march=$cpu"
3403
3404 elif enabled ppc; then
3405
3406 disable ldbrx
3407
3408 case $(tolower $cpu) in
3409 601|ppc601|powerpc601)
3410 cpuflags="-mcpu=601"
3411 disable altivec
3412 ;;
3413 603*|ppc603*|powerpc603*)
3414 cpuflags="-mcpu=603"
3415 disable altivec
3416 ;;
3417 604*|ppc604*|powerpc604*)
3418 cpuflags="-mcpu=604"
3419 disable altivec
3420 ;;
3421 g3|75*|ppc75*|powerpc75*)
3422 cpuflags="-mcpu=750"
3423 disable altivec
3424 ;;
3425 g4|745*|ppc745*|powerpc745*)
3426 cpuflags="-mcpu=7450"
3427 disable vsx
3428 ;;
3429 74*|ppc74*|powerpc74*)
3430 cpuflags="-mcpu=7400"
3431 disable vsx
3432 ;;
3433 g5|970|ppc970|powerpc970)
3434 cpuflags="-mcpu=970"
3435 disable vsx
3436 ;;
3437 power[3-6]*)
3438 cpuflags="-mcpu=$cpu"
3439 disable vsx
3440 ;;
3441 power[7-8]*)
3442 cpuflags="-mcpu=$cpu"
3443 enable ldbrx
3444 ;;
3445 cell)
3446 cpuflags="-mcpu=cell"
3447 enable ldbrx
3448 disable vsx
3449 ;;
3450 e500mc)
3451 cpuflags="-mcpu=e500mc"
3452 disable altivec
3453 ;;
3454 e500v2)
3455 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3456 disable altivec
3457 disable dcbzl
3458 ;;
3459 e500)
3460 cpuflags="-mcpu=8540 -mhard-float"
3461 disable altivec
3462 disable dcbzl
3463 ;;
3464 esac
3465
3466 elif enabled sparc; then
3467
3468 case $cpu in
3469 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3470 cpuflags="-mcpu=$cpu"
3471 ;;
3472 ultrasparc*|niagara[234])
3473 cpuflags="-mcpu=$cpu"
3474 ;;
3475 esac
3476
3477 elif enabled x86; then
3478
3479 case $cpu in
3480 i[345]86|pentium)
3481 cpuflags="-march=$cpu"
3482 disable i686
3483 disable mmx
3484 ;;
3485 # targets that do NOT support nopl and conditional mov (cmov)
3486 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3487 cpuflags="-march=$cpu"
3488 disable i686
3489 ;;
3490 # targets that do support nopl and conditional mov (cmov)
3491 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3492 cpuflags="-march=$cpu"
3493 enable i686
3494 enable fast_cmov
3495 ;;
3496 # targets that do support conditional mov but on which it's slow
3497 pentium4|pentium4m|prescott|nocona)
3498 cpuflags="-march=$cpu"
3499 enable i686
3500 disable fast_cmov
3501 ;;
3502 esac
3503
3504 fi
3505
3506 if [ "$cpu" != generic ]; then
3507 add_cflags $cpuflags
3508 add_asflags $cpuflags
3509 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
3510 fi
3511
3512 # compiler sanity check
3513 check_exec <<EOF
3514 int main(void){ return 0; }
3515 EOF
3516 if test "$?" != 0; then
3517 echo "$cc is unable to create an executable file."
3518 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3519 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3520 echo "Only do this if you know what cross compiling means."
3521 fi
3522 die "C compiler test failed."
3523 fi
3524
3525 add_cppflags -D_ISOC99_SOURCE
3526 check_cflags -std=c99
3527 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3528 #include <stdlib.h>
3529 EOF
3530 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3531 #include <stdlib.h>
3532 EOF
3533
3534 add_host_cppflags -D_ISOC99_SOURCE
3535 check_host_cflags -std=c99
3536 check_host_cflags -Wall
3537 check_host_cflags -O3
3538
3539 check_64bit(){
3540 arch32=$1
3541 arch64=$2
3542 expr=$3
3543 check_code cc "" "int test[2*($expr) - 1]" &&
3544 subarch=$arch64 || subarch=$arch32
3545 }
3546
3547 case "$arch" in
3548 aarch64|alpha|ia64)
3549 spic=$shared
3550 ;;
3551 mips)
3552 check_64bit mips mips64 '_MIPS_SIM > 1'
3553 spic=$shared
3554 ;;
3555 parisc)
3556 check_64bit parisc parisc64 'sizeof(void *) > 4'
3557 spic=$shared
3558 ;;
3559 ppc)
3560 check_64bit ppc ppc64 'sizeof(void *) > 4'
3561 spic=$shared
3562 ;;
3563 s390)
3564 check_64bit s390 s390x 'sizeof(void *) > 4'
3565 spic=$shared
3566 ;;
3567 sparc)
3568 check_64bit sparc sparc64 'sizeof(void *) > 4'
3569 spic=$shared
3570 ;;
3571 x86)
3572 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3573 if test "$subarch" = "x86_64"; then
3574 spic=$shared
3575 fi
3576 ;;
3577 esac
3578
3579 enable $subarch
3580 enabled spic && enable_weak pic
3581
3582 # OS specific
3583 case $target_os in
3584 aix)
3585 SHFLAGS=-shared
3586 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3587 enabled shared && add_ldflags -Wl,-brtl
3588 ;;
3589 android)
3590 disable symver
3591 enable section_data_rel_ro
3592 SLIB_INSTALL_NAME='$(SLIBNAME)'
3593 SLIB_INSTALL_LINKS=
3594 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
3595 ;;
3596 haiku)
3597 prefix_default="/boot/common"
3598 network_extralibs="-lnetwork"
3599 host_libs=
3600 ;;
3601 sunos)
3602 SHFLAGS='-shared -Wl,-h,$$(@F)'
3603 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3604 network_extralibs="-lsocket -lnsl"
3605 # When using suncc to build, the Solaris linker will mark
3606 # an executable with each instruction set encountered by
3607 # the Solaris assembler. As our libraries contain their own
3608 # guards for processor-specific code, instead suppress
3609 # generation of the HWCAPS ELF section on Solaris x86 only.
3610 enabled_all suncc x86 &&
3611 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3612 add_ldflags -Wl,-M,mapfile
3613 nm_default='nm -P -g'
3614 SLIB_CREATE_DEF_CMD='$(Q)perl $(SRC_PATH)/compat/solaris/make_sunver.pl $$(filter %.ver,$$^) $(OBJS) | grep -v @ > $(SUBDIR)lib$(NAME).ver-sol2'
3615 ;;
3616 netbsd)
3617 disable symver
3618 oss_indev_extralibs="-lossaudio"
3619 oss_outdev_extralibs="-lossaudio"
3620 ;;
3621 openbsd|bitrig)
3622 disable symver
3623 SHFLAGS='-shared'
3624 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3625 SLIB_INSTALL_LINKS=
3626 oss_indev_extralibs="-lossaudio"
3627 oss_outdev_extralibs="-lossaudio"
3628 ;;
3629 dragonfly)
3630 disable symver
3631 ;;
3632 freebsd)
3633 ;;
3634 bsd/os)
3635 add_extralibs -lpoll -lgnugetopt
3636 ;;
3637 darwin)
3638 enabled ppc && add_asflags -force_cpusubtype_ALL
3639 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3640 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3641 add_ldflags -Wl,-dynamic,-search_paths_first
3642 SLIBSUF=".dylib"
3643 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3644 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3645 objformat="macho"
3646 enabled x86_64 && objformat="macho64"
3647 enabled_any pic shared ||
3648 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3649 ;;
3650 msys*)
3651 die "Native MSYS builds are discouraged, please use the MINGW environment.";
3652 ;;
3653 mingw32*)
3654 if test $target_os = "mingw32ce"; then
3655 disable network
3656 else
3657 target_os=mingw32
3658 fi
3659 LIBTARGET=i386
3660 if enabled x86_64; then
3661 LIBTARGET="i386:x86-64"
3662 elif enabled arm; then
3663 LIBTARGET=arm-wince
3664 fi
3665 check_ldflags -Wl,--nxcompat
3666 check_ldflags -Wl,--dynamicbase
3667 shlibdir_default="$bindir_default"
3668 SLIBPREF=""
3669 SLIBSUF=".dll"
3670 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3671 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3672 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3673 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3674 SLIB_INSTALL_LINKS=
3675 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3676 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3677 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3678 objformat="win32"
3679 dlltool="${cross_prefix}dlltool"
3680 ranlib=:
3681 enable dos_paths
3682 ;;
3683 win32|win64)
3684 disable symver
3685 if enabled shared; then
3686 # Link to the import library instead of the normal static library
3687 # for shared libs.
3688 LD_LIB='%.lib'
3689 # Cannot build both shared and static libs with MSVC or icl.
3690 disable static
3691 fi
3692 shlibdir_default="$bindir_default"
3693 SLIBPREF=""
3694 SLIBSUF=".dll"
3695 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3696 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3697 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3698 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3699 SLIB_INSTALL_LINKS=
3700 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3701 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3702 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3703 objformat="win32"
3704 ranlib=:
3705 enable dos_paths
3706 ;;
3707 cygwin*)
3708 target_os=cygwin
3709 shlibdir_default="$bindir_default"
3710 SLIBPREF="cyg"
3711 SLIBSUF=".dll"
3712 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3713 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'