381d24a98843a0b0760a4fd98d7134a109abac63
[libav.git] / configure
1 #!/bin/sh
2 #
3 # Libav configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
43 fi
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken Libav."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
54 exit 1
55 fi
56
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
59 show_help(){
60 cat <<EOF
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
63
64 Help options:
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
77
78 Standard options:
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --prefix=PREFIX install in PREFIX [$prefix]
82 --bindir=DIR install binaries in DIR [PREFIX/bin]
83 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
84 --docdir=DIR install documentation in DIR [PREFIX/share/doc/libav]
85 --libdir=DIR install libs in DIR [PREFIX/lib]
86 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
87 --incdir=DIR install includes in DIR [PREFIX/include]
88 --mandir=DIR install man page in DIR [PREFIX/share/man]
89 --enable-rpath use rpath when linking programs [USE WITH CARE]
90
91 Licensing options:
92 --enable-gpl allow use of GPL code, the resulting libs
93 and binaries will be under GPL [no]
94 --enable-version3 upgrade (L)GPL to version 3 [no]
95 --enable-nonfree allow use of nonfree code, the resulting libs
96 and binaries will be unredistributable [no]
97
98 Configuration options:
99 --disable-static do not build static libraries [no]
100 --enable-shared build shared libraries [no]
101 --enable-small optimize for size instead of speed
102 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
103 --enable-gray enable full grayscale support (slower color)
104 --disable-swscale-alpha disable alpha channel support in swscale
105 --disable-all disable building components, libraries and programs
106
107 Program options:
108 --disable-programs do not build command line programs
109 --disable-avconv disable avconv build
110 --disable-avplay disable avplay build
111 --disable-avprobe disable avprobe build
112 --disable-avserver deprecated, does nothing
113
114 Component options:
115 --disable-doc do not build documentation
116 --disable-avdevice disable libavdevice build
117 --disable-avcodec disable libavcodec build
118 --disable-avformat disable libavformat build
119 --disable-avutil disable libavutil build
120 --disable-swscale disable libswscale build
121 --disable-avfilter disable video filter support [no]
122 --disable-avresample disable libavresample build [no]
123 --disable-pthreads disable pthreads [auto]
124 --disable-w32threads disable Win32 threads [auto]
125 --disable-network disable network support [no]
126 --disable-dct disable DCT code
127 --disable-error-resilience disable error resilience code
128 --disable-lsp disable LSP code
129 --disable-lzo disable LZO decoder code
130 --disable-mdct disable MDCT code
131 --disable-rdft disable RDFT code
132 --disable-fft disable FFT code
133 --disable-faan disable floating point AAN (I)DCT code
134
135 Hardware accelerators:
136 --enable-d3d11va enable D3D11VA code
137 --enable-dxva2 enable DXVA2 code
138 --enable-vaapi enable VAAPI code
139 --enable-vda enable VDA code
140 --enable-vdpau enable VDPAU code
141
142 Individual component options:
143 --disable-everything disable all components listed below
144 --disable-encoder=NAME disable encoder NAME
145 --enable-encoder=NAME enable encoder NAME
146 --disable-encoders disable all encoders
147 --disable-decoder=NAME disable decoder NAME
148 --enable-decoder=NAME enable decoder NAME
149 --disable-decoders disable all decoders
150 --disable-hwaccel=NAME disable hwaccel NAME
151 --enable-hwaccel=NAME enable hwaccel NAME
152 --disable-hwaccels disable all hwaccels
153 --disable-muxer=NAME disable muxer NAME
154 --enable-muxer=NAME enable muxer NAME
155 --disable-muxers disable all muxers
156 --disable-demuxer=NAME disable demuxer NAME
157 --enable-demuxer=NAME enable demuxer NAME
158 --disable-demuxers disable all demuxers
159 --enable-parser=NAME enable parser NAME
160 --disable-parser=NAME disable parser NAME
161 --disable-parsers disable all parsers
162 --enable-bsf=NAME enable bitstream filter NAME
163 --disable-bsf=NAME disable bitstream filter NAME
164 --disable-bsfs disable all bitstream filters
165 --enable-protocol=NAME enable protocol NAME
166 --disable-protocol=NAME disable protocol NAME
167 --disable-protocols disable all protocols
168 --enable-indev=NAME enable input device NAME
169 --disable-indev=NAME disable input device NAME
170 --disable-indevs disable input devices
171 --enable-outdev=NAME enable output device NAME
172 --disable-outdev=NAME disable output device NAME
173 --disable-outdevs disable output devices
174 --disable-devices disable all devices
175 --enable-filter=NAME enable filter NAME
176 --disable-filter=NAME disable filter NAME
177 --disable-filters disable all filters
178
179 External library support:
180 --enable-avisynth enable reading of AviSynth script files [no]
181 --enable-bzlib enable bzlib [autodetect]
182 --enable-frei0r enable frei0r video filtering
183 --enable-gnutls enable gnutls [no]
184 --enable-libbs2b enable bs2b DSP library [no]
185 --enable-libcdio enable audio CD grabbing with libcdio
186 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
187 and libraw1394 [no]
188 --enable-libdcadec enable DCA decoding via libdcadec [no]
189 --enable-libfaac enable AAC encoding via libfaac [no]
190 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
191 --enable-libfreetype enable libfreetype [no]
192 --enable-libgsm enable GSM de/encoding via libgsm [no]
193 --enable-libilbc enable iLBC de/encoding via libilbc [no]
194 --enable-libmfx enable HW acceleration through libmfx
195 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
196 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
197 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
198 --enable-libopencv enable video filtering via libopencv [no]
199 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
200 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
201 --enable-libopus enable Opus de/encoding via libopus [no]
202 --enable-libpulse enable Pulseaudio input via libpulse [no]
203 --enable-librtmp enable RTMP[E] support via librtmp [no]
204 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
205 --enable-libsnappy enable Snappy compression [no]
206 --enable-libspeex enable Speex de/encoding via libspeex [no]
207 --enable-libtheora enable Theora encoding via libtheora [no]
208 --enable-libtwolame enable MP2 encoding via libtwolame [no]
209 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
210 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
211 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
212 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
213 --enable-libwavpack enable wavpack encoding via libwavpack [no]
214 --enable-libwebp enable WebP encoding via libwebp [no]
215 --enable-libx264 enable H.264 encoding via x264 [no]
216 --enable-libx265 enable HEVC encoding via x265 [no]
217 --enable-libxavs enable AVS encoding via xavs [no]
218 --enable-libxcb enable X11 grabbing using XCB [no]
219 --enable-libxcb-shm enable X11 grabbing shm communication [auto]
220 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [auto]
221 --enable-libxvid enable Xvid encoding via xvidcore,
222 native MPEG-4/Xvid encoder exists [no]
223 --enable-mmal enable decoding via MMAL [no]
224 --enable-nvenc enable encoding via NVENC [no]
225 --enable-openssl enable openssl [no]
226 --enable-x11grab enable X11 grabbing (legacy) [no]
227 --enable-zlib enable zlib [autodetect]
228
229 Toolchain options:
230 --arch=ARCH select architecture [$arch]
231 --cpu=CPU select the minimum required CPU (affects
232 instruction selection, may crash on older CPUs)
233 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
234 --enable-cross-compile assume a cross-compiler is used
235 --sysroot=PATH root of cross-build tree
236 --sysinclude=PATH location of cross-build system headers
237 --target-os=OS compiler targets OS [$target_os]
238 --target-exec=CMD command to run executables on target
239 --target-path=DIR path to view of build directory on target
240 --target-samples=DIR path to samples directory on target
241 --toolchain=NAME set tool defaults according to NAME
242 --nm=NM use nm tool
243 --ar=AR use archive tool AR [$ar_default]
244 --as=AS use assembler AS [$as_default]
245 --cc=CC use C compiler CC [$cc_default]
246 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
247 --ld=LD use linker LD
248 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
249 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
250 --host-cc=HOSTCC use host C compiler HOSTCC
251 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
252 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
253 --host-ld=HOSTLD use host linker HOSTLD
254 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
255 --host-libs=HLIBS use libs HLIBS when linking for host
256 --host-os=OS compiler host OS [$target_os]
257 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
258 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
259 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
260 --extra-libs=ELIBS add ELIBS [$ELIBS]
261 --extra-version=STRING version string suffix []
262 --optflags=OPTFLAGS override optimization-related compiler flags
263 --build-suffix=SUFFIX library name suffix []
264 --enable-pic build position-independent code
265 --enable-thumb compile for Thumb instruction set
266 --enable-lto use link-time optimization
267 --env="ENV=override" override the environment variables
268
269 Advanced options (experts only):
270 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
271 --disable-symver disable symbol versioning
272 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
273 --disable-safe-bitstream-reader
274 disable buffer boundary checking in bitreaders
275 (faster, but may crash)
276 --enable-memalign-hack emulate memalign, interferes with memory debuggers
277 --enable-sram allow use of on-chip SRAM
278
279 Optimization options (experts only):
280 --disable-asm disable all assembly optimizations
281 --disable-altivec disable AltiVec optimizations
282 --disable-vsx disable VSX optimizations
283 --disable-power8 disable POWER8 optimizations
284 --disable-amd3dnow disable 3DNow! optimizations
285 --disable-amd3dnowext disable 3DNow! extended optimizations
286 --disable-mmx disable MMX optimizations
287 --disable-mmxext disable MMXEXT optimizations
288 --disable-sse disable SSE optimizations
289 --disable-sse2 disable SSE2 optimizations
290 --disable-sse3 disable SSE3 optimizations
291 --disable-ssse3 disable SSSE3 optimizations
292 --disable-sse4 disable SSE4 optimizations
293 --disable-sse42 disable SSE4.2 optimizations
294 --disable-avx disable AVX optimizations
295 --disable-xop disable XOP optimizations
296 --disable-fma3 disable FMA3 optimizations
297 --disable-fma4 disable FMA4 optimizations
298 --disable-avx2 disable AVX2 optimizations
299 --disable-armv5te disable armv5te optimizations
300 --disable-armv6 disable armv6 optimizations
301 --disable-armv6t2 disable armv6t2 optimizations
302 --disable-vfp disable VFP optimizations
303 --disable-neon disable NEON optimizations
304 --disable-inline-asm disable use of inline assembly
305 --disable-yasm disable use of nasm/yasm assembly
306
307 Developer options (useful when working on Libav itself):
308 --disable-debug disable debugging symbols
309 --enable-debug=LEVEL set the debug level [$debuglevel]
310 --disable-optimizations disable compiler optimizations
311 --enable-extra-warnings enable more compiler warnings
312 --samples=PATH location of test samples for FATE, if not set use
313 \$LIBAV_SAMPLES at make invocation time.
314 --enable-neon-clobber-test check NEON registers for clobbering (should be
315 used only for debugging purposes)
316 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
317 should be used only for debugging purposes)
318 --enable-random randomly enable/disable components
319 --disable-random
320 --enable-random=LIST randomly enable/disable specific components or
321 --disable-random=LIST component groups. LIST is a comma-separated list
322 of NAME[:PROB] entries where NAME is a component
323 (group) and PROB the probability associated with
324 NAME (default 0.5).
325 --random-seed=VALUE seed value for --enable/disable-random
326 --disable-valgrind-backtrace do not print a backtrace under Valgrind
327 (only applies to --disable-optimizations builds)
328
329 NOTE: Object files are built at the place where configure is launched.
330 EOF
331 exit 0
332 }
333
334 quotes='""'
335
336 log(){
337 echo "$@" >> $logfile
338 }
339
340 log_file(){
341 log BEGIN $1
342 pr -n -t $1 >> $logfile
343 log END $1
344 }
345
346 echolog(){
347 log "$@"
348 echo "$@"
349 }
350
351 warn(){
352 log "WARNING: $*"
353 WARNINGS="${WARNINGS}WARNING: $*\n"
354 }
355
356 die(){
357 echolog "$@"
358 cat <<EOF
359
360 If you think configure made a mistake, make sure you are using the latest
361 version from Git. If the latest version fails, report the problem to the
362 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
363 EOF
364 if disabled logging; then
365 cat <<EOF
366 Rerun configure with logging enabled (do not use --disable-logging), and
367 include the log this produces with your report.
368 EOF
369 else
370 cat <<EOF
371 Include the log file "$logfile" produced by configure as this will help
372 solving the problem.
373 EOF
374 fi
375 exit 1
376 }
377
378 # Avoid locale weirdness, besides we really just want to translate ASCII.
379 toupper(){
380 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
381 }
382
383 tolower(){
384 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
385 }
386
387 c_escape(){
388 echo "$*" | sed 's/["\\]/\\\0/g'
389 }
390
391 sh_quote(){
392 v=$(echo "$1" | sed "s/'/'\\\\''/g")
393 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
394 echo "$v"
395 }
396
397 cleanws(){
398 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
399 }
400
401 filter(){
402 pat=$1
403 shift
404 for v; do
405 eval "case $v in $pat) echo $v ;; esac"
406 done
407 }
408
409 filter_out(){
410 pat=$1
411 shift
412 for v; do
413 eval "case $v in $pat) ;; *) echo $v ;; esac"
414 done
415 }
416
417 map(){
418 m=$1
419 shift
420 for v; do eval $m; done
421 }
422
423 add_suffix(){
424 suffix=$1
425 shift
426 for v; do echo ${v}${suffix}; done
427 }
428
429 set_all(){
430 value=$1
431 shift
432 for var in $*; do
433 eval $var=$value
434 done
435 }
436
437 set_weak(){
438 value=$1
439 shift
440 for var; do
441 eval : \${$var:=$value}
442 done
443 }
444
445 sanitize_var_name(){
446 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
447 }
448
449 set_safe(){
450 var=$1
451 shift
452 eval $(sanitize_var_name "$var")='$*'
453 }
454
455 get_safe(){
456 eval echo \$$(sanitize_var_name "$1")
457 }
458
459 pushvar(){
460 for pvar in $*; do
461 eval level=\${${pvar}_level:=0}
462 eval ${pvar}_${level}="\$$pvar"
463 eval ${pvar}_level=$(($level+1))
464 done
465 }
466
467 popvar(){
468 for pvar in $*; do
469 eval level=\${${pvar}_level:-0}
470 test $level = 0 && continue
471 eval level=$(($level-1))
472 eval $pvar="\${${pvar}_${level}}"
473 eval ${pvar}_level=$level
474 eval unset ${pvar}_${level}
475 done
476 }
477
478 enable(){
479 set_all yes $*
480 }
481
482 disable(){
483 set_all no $*
484 }
485
486 enable_weak(){
487 set_weak yes $*
488 }
489
490 disable_weak(){
491 set_weak no $*
492 }
493
494 enable_safe(){
495 for var; do
496 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
497 done
498 }
499
500 disable_safe(){
501 for var; do
502 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
503 done
504 }
505
506 do_enable_deep(){
507 for var; do
508 enabled $var && continue
509 eval sel="\$${var}_select"
510 eval sgs="\$${var}_suggest"
511 pushvar var sgs
512 enable_deep $sel
513 popvar sgs
514 enable_deep_weak $sgs
515 popvar var
516 done
517 }
518
519 enable_deep(){
520 do_enable_deep $*
521 enable $*
522 }
523
524 enable_deep_weak(){
525 for var; do
526 disabled $var && continue
527 pushvar var
528 do_enable_deep $var
529 popvar var
530 enable_weak $var
531 done
532 }
533
534 enabled(){
535 test "${1#!}" = "$1" && op== || op=!=
536 eval test "x\$${1#!}" $op "xyes"
537 }
538
539 disabled(){
540 test "${1#!}" = "$1" && op== || op=!=
541 eval test "x\$${1#!}" $op "xno"
542 }
543
544 enabled_all(){
545 for opt; do
546 enabled $opt || return 1
547 done
548 }
549
550 disabled_all(){
551 for opt; do
552 disabled $opt || return 1
553 done
554 }
555
556 enabled_any(){
557 for opt; do
558 enabled $opt && return 0
559 done
560 }
561
562 disabled_any(){
563 for opt; do
564 disabled $opt && return 0
565 done
566 return 1
567 }
568
569 set_default(){
570 for opt; do
571 eval : \${$opt:=\$${opt}_default}
572 done
573 }
574
575 is_in(){
576 value=$1
577 shift
578 for var in $*; do
579 [ $var = $value ] && return 0
580 done
581 return 1
582 }
583
584 do_check_deps(){
585 for cfg; do
586 cfg="${cfg#!}"
587 enabled ${cfg}_checking && die "Circular dependency for $cfg."
588 disabled ${cfg}_checking && continue
589 enable ${cfg}_checking
590 append allopts $cfg
591
592 eval dep_all="\$${cfg}_deps"
593 eval dep_any="\$${cfg}_deps_any"
594 eval dep_sel="\$${cfg}_select"
595 eval dep_sgs="\$${cfg}_suggest"
596 eval dep_ifa="\$${cfg}_if"
597 eval dep_ifn="\$${cfg}_if_any"
598
599 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
600 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
601 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
602
603 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
604 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
605 enabled_all $dep_all || disable $cfg
606 enabled_any $dep_any || disable $cfg
607 disabled_any $dep_sel && disable $cfg
608
609 if enabled $cfg; then
610 enable_deep $dep_sel
611 enable_deep_weak $dep_sgs
612 fi
613
614 disable ${cfg}_checking
615 done
616 }
617
618 check_deps(){
619 unset allopts
620
621 do_check_deps "$@"
622
623 for cfg in $allopts; do
624 enabled $cfg || continue
625 eval dep_extralibs="\$${cfg}_extralibs"
626 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
627 done
628 }
629
630 print_config(){
631 pfx=$1
632 files=$2
633 shift 2
634 map 'eval echo "$v \${$v:-no}"' "$@" |
635 awk "BEGIN { split(\"$files\", files) }
636 {
637 c = \"$pfx\" toupper(\$1);
638 v = \$2;
639 sub(/yes/, 1, v);
640 sub(/no/, 0, v);
641 for (f in files) {
642 file = files[f];
643 if (file ~ /\\.h\$/) {
644 printf(\"#define %s %d\\n\", c, v) >>file;
645 } else if (file ~ /\\.asm\$/) {
646 printf(\"%%define %s %d\\n\", c, v) >>file;
647 } else if (file ~ /\\.mak\$/) {
648 n = -v ? \"\" : \"!\";
649 printf(\"%s%s=yes\\n\", n, c) >>file;
650 }
651 }
652 }"
653 }
654
655 print_enabled(){
656 suf=$1
657 shift
658 for v; do
659 enabled $v && printf "%s\n" ${v%$suf};
660 done
661 }
662
663 append(){
664 var=$1
665 shift
666 eval "$var=\"\$$var $*\""
667 }
668
669 prepend(){
670 var=$1
671 shift
672 eval "$var=\"$* \$$var\""
673 }
674
675 unique(){
676 var=$1
677 uniq_list=""
678 for tok in $(eval echo \$$var); do
679 uniq_list="$(filter_out $tok $uniq_list) $tok"
680 done
681 eval "$var=\"${uniq_list}\""
682 }
683
684 add_cppflags(){
685 append CPPFLAGS "$@"
686 }
687
688 add_cflags(){
689 append CFLAGS $($cflags_filter "$@")
690 }
691
692 add_asflags(){
693 append ASFLAGS $($asflags_filter "$@")
694 }
695
696 add_ldflags(){
697 append LDFLAGS $($ldflags_filter "$@")
698 }
699
700 add_ldexeflags(){
701 append LDEXEFLAGS $($ldflags_filter "$@")
702 }
703
704 add_stripflags(){
705 append STRIPFLAGS "$@"
706 }
707
708 add_extralibs(){
709 prepend extralibs $($ldflags_filter "$@")
710 }
711
712 add_host_cppflags(){
713 append host_cppflags "$@"
714 }
715
716 add_host_cflags(){
717 append host_cflags $($host_cflags_filter "$@")
718 }
719
720 add_host_ldflags(){
721 append host_ldflags $($host_ldflags_filter "$@")
722 }
723
724 add_compat(){
725 append compat_objs $1
726 shift
727 map 'add_cppflags -D$v' "$@"
728 }
729
730 check_cmd(){
731 log "$@"
732 "$@" >> $logfile 2>&1
733 }
734
735 cc_o(){
736 eval printf '%s\\n' $CC_O
737 }
738
739 cc_e(){
740 eval printf '%s\\n' $CC_E
741 }
742
743 check_cc(){
744 log check_cc "$@"
745 cat > $TMPC
746 log_file $TMPC
747 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
748 }
749
750 check_cpp(){
751 log check_cpp "$@"
752 cat > $TMPC
753 log_file $TMPC
754 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
755 }
756
757 as_o(){
758 eval printf '%s\\n' $AS_O
759 }
760
761 check_as(){
762 log check_as "$@"
763 cat > $TMPS
764 log_file $TMPS
765 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
766 }
767
768 check_inline_asm(){
769 log check_inline_asm "$@"
770 name="$1"
771 code="$2"
772 shift 2
773 disable $name
774 check_cc "$@" <<EOF && enable $name
775 void foo(void){ __asm__ volatile($code); }
776 EOF
777 }
778
779 check_insn(){
780 log check_insn "$@"
781 check_inline_asm ${1}_inline "\"$2\""
782 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
783 }
784
785 check_yasm(){
786 log check_yasm "$@"
787 echo "$1" > $TMPS
788 log_file $TMPS
789 shift 1
790 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
791 }
792
793 ld_o(){
794 eval printf '%s\\n' $LD_O
795 }
796
797 check_ld(){
798 log check_ld "$@"
799 flags=$(filter_out '-l*' "$@")
800 libs=$(filter '-l*' "$@")
801 check_cc $($cflags_filter $flags) || return
802 flags=$($ldflags_filter $flags)
803 libs=$($ldflags_filter $libs)
804 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
805 }
806
807 print_include(){
808 hdr=$1
809 test "${hdr%.h}" = "${hdr}" &&
810 echo "#include $hdr" ||
811 echo "#include <$hdr>"
812 }
813
814 check_code(){
815 log check_code "$@"
816 check=$1
817 headers=$2
818 code=$3
819 shift 3
820 {
821 for hdr in $headers; do
822 print_include $hdr
823 done
824 echo "int main(void) { $code; return 0; }"
825 } | check_$check "$@"
826 }
827
828 check_cppflags(){
829 log check_cppflags "$@"
830 check_cc "$@" <<EOF && append CPPFLAGS "$@"
831 int x;
832 EOF
833 }
834
835 test_cflags(){
836 log test_cflags "$@"
837 set -- $($cflags_filter "$@")
838 check_cc "$@" <<EOF
839 int x;
840 EOF
841 }
842
843 check_cflags(){
844 log check_cflags "$@"
845 test_cflags "$@" && add_cflags "$@"
846 }
847
848 test_ldflags(){
849 log test_ldflags "$@"
850 check_ld "$@" <<EOF
851 int main(void){ return 0; }
852 EOF
853 }
854
855 check_ldflags(){
856 log check_ldflags "$@"
857 test_ldflags "$@" && add_ldflags "$@"
858 }
859
860 test_stripflags(){
861 log test_stripflags "$@"
862 # call check_cc to get a fresh TMPO
863 check_cc <<EOF
864 int main(void) { return 0; }
865 EOF
866 check_cmd $strip $STRIPFLAGS "$@" $TMPO
867 }
868
869 check_stripflags(){
870 log check_stripflags "$@"
871 test_stripflags "$@" && add_stripflags "$@"
872 }
873
874 check_header(){
875 log check_header "$@"
876 header=$1
877 shift
878 disable_safe $header
879 check_cpp "$@" <<EOF && enable_safe $header
880 #include <$header>
881 int x;
882 EOF
883 }
884
885 check_func(){
886 log check_func "$@"
887 func=$1
888 shift
889 disable $func
890 check_ld "$@" <<EOF && enable $func
891 extern int $func();
892 int main(void){ $func(); }
893 EOF
894 }
895
896 check_mathfunc(){
897 log check_mathfunc "$@"
898 func=$1
899 narg=$2
900 shift 2
901 test $narg = 2 && args="f, g" || args="f"
902 disable $func
903 check_ld "$@" <<EOF && enable $func
904 #include <math.h>
905 float foo(float f, float g) { return $func($args); }
906 int main(void){ return 0; }
907 EOF
908 }
909
910 check_func_headers(){
911 log check_func_headers "$@"
912 headers=$1
913 funcs=$2
914 shift 2
915 {
916 for hdr in $headers; do
917 print_include $hdr
918 done
919 for func in $funcs; do
920 echo "long check_$func(void) { return (long) $func; }"
921 done
922 echo "int main(void) { return 0; }"
923 } | check_ld "$@" && enable $funcs && enable_safe $headers
924 }
925
926 check_cpp_condition(){
927 log check_cpp_condition "$@"
928 header=$1
929 condition=$2
930 shift 2
931 check_cpp "$@" <<EOF
932 #include <$header>
933 #if !($condition)
934 #error "unsatisfied condition: $condition"
935 #endif
936 EOF
937 }
938
939 check_lib(){
940 log check_lib "$@"
941 header="$1"
942 func="$2"
943 shift 2
944 check_header $header && check_func $func "$@" && add_extralibs "$@"
945 }
946
947 check_lib2(){
948 log check_lib2 "$@"
949 headers="$1"
950 funcs="$2"
951 shift 2
952 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
953 }
954
955 check_pkg_config(){
956 log check_pkg_config "$@"
957 pkg="$1"
958 headers="$2"
959 funcs="$3"
960 shift 3
961 check_cmd $pkg_config --exists --print-errors $pkg || return
962 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
963 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
964 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
965 set_safe "${pkg}_cflags" $pkg_cflags &&
966 set_safe "${pkg}_libs" $pkg_libs
967 }
968
969 check_exec(){
970 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
971 }
972
973 check_exec_crash(){
974 code=$(cat)
975
976 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
977 # are safe but may not be available everywhere. Thus we use
978 # raise(SIGTERM) instead. The check is run in a subshell so we
979 # can redirect the "Terminated" message from the shell. SIGBUS
980 # is not defined by standard C so it is used conditionally.
981
982 (check_exec "$@") >> $logfile 2>&1 <<EOF
983 #include <signal.h>
984 static void sighandler(int sig){
985 raise(SIGTERM);
986 }
987 int foo(void){
988 $code
989 }
990 int (*func_ptr)(void) = foo;
991 int main(void){
992 signal(SIGILL, sighandler);
993 signal(SIGFPE, sighandler);
994 signal(SIGSEGV, sighandler);
995 #ifdef SIGBUS
996 signal(SIGBUS, sighandler);
997 #endif
998 return func_ptr();
999 }
1000 EOF
1001 }
1002
1003 check_type(){
1004 log check_type "$@"
1005 headers=$1
1006 type=$2
1007 shift 2
1008 disable_safe "$type"
1009 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1010 }
1011
1012 check_struct(){
1013 log check_struct "$@"
1014 headers=$1
1015 struct=$2
1016 member=$3
1017 shift 3
1018 disable_safe "${struct}_${member}"
1019 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1020 enable_safe "${struct}_${member}"
1021 }
1022
1023 check_builtin(){
1024 log check_builtin "$@"
1025 name=$1
1026 headers=$2
1027 builtin=$3
1028 shift 3
1029 disable "$name"
1030 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1031 }
1032
1033 check_compile_assert(){
1034 log check_compile_assert "$@"
1035 name=$1
1036 headers=$2
1037 condition=$3
1038 shift 3
1039 disable "$name"
1040 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1041 }
1042
1043 require(){
1044 name="$1"
1045 header="$2"
1046 func="$3"
1047 shift 3
1048 check_lib $header $func "$@" || die "ERROR: $name not found"
1049 }
1050
1051 require2(){
1052 name="$1"
1053 headers="$2"
1054 func="$3"
1055 shift 3
1056 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1057 }
1058
1059 require_pkg_config(){
1060 pkg="$1"
1061 check_pkg_config "$@" || die "ERROR: $pkg not found"
1062 add_cflags $(get_safe "${pkg}_cflags")
1063 add_extralibs $(get_safe "${pkg}_libs")
1064 }
1065
1066 hostcc_e(){
1067 eval printf '%s\\n' $HOSTCC_E
1068 }
1069
1070 hostcc_o(){
1071 eval printf '%s\\n' $HOSTCC_O
1072 }
1073
1074 check_host_cc(){
1075 log check_host_cc "$@"
1076 cat > $TMPC
1077 log_file $TMPC
1078 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1079 }
1080
1081 check_host_cpp(){
1082 log check_host_cpp "$@"
1083 cat > $TMPC
1084 log_file $TMPC
1085 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1086 }
1087
1088 check_host_cppflags(){
1089 log check_host_cppflags "$@"
1090 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1091 int x;
1092 EOF
1093 }
1094
1095 check_host_cflags(){
1096 log check_host_cflags "$@"
1097 set -- $($host_cflags_filter "$@")
1098 check_host_cc "$@" <<EOF && append host_cflags "$@"
1099 int x;
1100 EOF
1101 }
1102
1103 check_host_cpp_condition(){
1104 log check_host_cpp_condition "$@"
1105 header=$1
1106 condition=$2
1107 shift 2
1108 check_host_cpp "$@" <<EOF
1109 #include <$header>
1110 #if !($condition)
1111 #error "unsatisfied condition: $condition"
1112 #endif
1113 EOF
1114 }
1115
1116 apply(){
1117 file=$1
1118 shift
1119 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1120 }
1121
1122 cp_if_changed(){
1123 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1124 mkdir -p "$(dirname $2)"
1125 $cp_f "$1" "$2"
1126 }
1127
1128 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1129 # system-dependent things.
1130
1131 COMPONENT_LIST="
1132 bsfs
1133 decoders
1134 demuxers
1135 encoders
1136 filters
1137 hwaccels
1138 indevs
1139 muxers
1140 outdevs
1141 parsers
1142 protocols
1143 "
1144
1145 EXAMPLE_LIST="
1146 avcodec_example
1147 filter_audio_example
1148 metadata_example
1149 output_example
1150 qsvdec_example
1151 transcode_aac_example
1152 "
1153
1154 EXTERNAL_LIBRARY_LIST="
1155 avisynth
1156 bzlib
1157 frei0r
1158 gnutls
1159 libbs2b
1160 libcdio
1161 libdc1394
1162 libdcadec
1163 libfaac
1164 libfdk_aac
1165 libfontconfig
1166 libfreetype
1167 libgsm
1168 libilbc
1169 libmfx
1170 libmp3lame
1171 libopencore_amrnb
1172 libopencore_amrwb
1173 libopencv
1174 libopenh264
1175 libopenjpeg
1176 libopus
1177 libpulse
1178 librtmp
1179 libschroedinger
1180 libsnappy
1181 libspeex
1182 libtheora
1183 libtwolame
1184 libvo_aacenc
1185 libvo_amrwbenc
1186 libvorbis
1187 libvpx
1188 libwavpack
1189 libwebp
1190 libx264
1191 libx265
1192 libxavs
1193 libxcb
1194 libxcb_shm
1195 libxcb_xfixes
1196 libxvid
1197 mmal
1198 nvenc
1199 openssl
1200 x11grab
1201 zlib
1202 "
1203
1204 FEATURE_LIST="
1205 gray
1206 hardcoded_tables
1207 runtime_cpudetect
1208 safe_bitstream_reader
1209 shared
1210 small
1211 sram
1212 static
1213 swscale_alpha
1214 "
1215
1216 HWACCEL_LIST="
1217 d3d11va
1218 dxva2
1219 vaapi
1220 vda
1221 vdpau
1222 "
1223
1224 LIBRARY_LIST="
1225 avcodec
1226 avdevice
1227 avfilter
1228 avformat
1229 avresample
1230 avutil
1231 swscale
1232 "
1233
1234 LICENSE_LIST="
1235 gpl
1236 nonfree
1237 version3
1238 "
1239
1240 PROGRAM_LIST="
1241 avconv
1242 avplay
1243 avprobe
1244 "
1245
1246 SUBSYSTEM_LIST="
1247 dct
1248 doc
1249 error_resilience
1250 faan
1251 fft
1252 lsp
1253 lzo
1254 mdct
1255 network
1256 rdft
1257 "
1258
1259 CONFIG_LIST="
1260 $COMPONENT_LIST
1261 $EXAMPLE_LIST
1262 $EXTERNAL_LIBRARY_LIST
1263 $FEATURE_LIST
1264 $HWACCEL_LIST
1265 $LICENSE_LIST
1266 $LIBRARY_LIST
1267 $PROGRAM_LIST
1268 $SUBSYSTEM_LIST
1269 memalign_hack
1270 neon_clobber_test
1271 pic
1272 pod2man
1273 texi2html
1274 thumb
1275 valgrind_backtrace
1276 xmm_clobber_test
1277 "
1278
1279 THREADS_LIST="
1280 pthreads
1281 w32threads
1282 "
1283
1284 ATOMICS_LIST="
1285 atomics_gcc
1286 atomics_suncc
1287 atomics_win32
1288 "
1289
1290 ARCH_LIST="
1291 aarch64
1292 alpha
1293 arm
1294 avr32
1295 avr32_ap
1296 avr32_uc
1297 bfin
1298 ia64
1299 m68k
1300 mips
1301 mips64
1302 parisc
1303 ppc
1304 ppc64
1305 s390
1306 sh4
1307 sparc
1308 sparc64
1309 tilegx
1310 tilepro
1311 tomi
1312 x86
1313 x86_32
1314 x86_64
1315 "
1316
1317 ARCH_EXT_LIST_ARM="
1318 armv5te
1319 armv6
1320 armv6t2
1321 armv8
1322 neon
1323 vfp
1324 vfpv3
1325 "
1326
1327 ARCH_EXT_LIST_X86_SIMD="
1328 amd3dnow
1329 amd3dnowext
1330 avx
1331 avx2
1332 fma3
1333 fma4
1334 mmx
1335 mmxext
1336 sse
1337 sse2
1338 sse3
1339 sse4
1340 sse42
1341 ssse3
1342 xop
1343 "
1344
1345 ARCH_EXT_LIST_PPC="
1346 altivec
1347 dcbzl
1348 ldbrx
1349 power8
1350 ppc4xx
1351 vsx
1352 "
1353
1354 ARCH_EXT_LIST_X86="
1355 $ARCH_EXT_LIST_X86_SIMD
1356 cpunop
1357 i686
1358 "
1359
1360 ARCH_EXT_LIST="
1361 $ARCH_EXT_LIST_ARM
1362 $ARCH_EXT_LIST_PPC
1363 $ARCH_EXT_LIST_X86
1364 loongson
1365 vis
1366 "
1367
1368 ARCH_FEATURES="
1369 aligned_stack
1370 fast_64bit
1371 fast_clz
1372 fast_cmov
1373 local_aligned_8
1374 local_aligned_16
1375 simd_align_16
1376 "
1377
1378 BUILTIN_LIST="
1379 atomic_cas_ptr
1380 machine_rw_barrier
1381 MemoryBarrier
1382 mm_empty
1383 rdtsc
1384 sync_val_compare_and_swap
1385 "
1386 HAVE_LIST_CMDLINE="
1387 inline_asm
1388 symver
1389 yasm
1390 "
1391
1392 HAVE_LIST_PUB="
1393 bigendian
1394 fast_unaligned
1395 "
1396
1397 HEADERS_LIST="
1398 alsa_asoundlib_h
1399 altivec_h
1400 arpa_inet_h
1401 cdio_paranoia_h
1402 cdio_paranoia_paranoia_h
1403 dev_bktr_ioctl_bt848_h
1404 dev_bktr_ioctl_meteor_h
1405 dev_ic_bt8xx_h
1406 dev_video_bktr_ioctl_bt848_h
1407 dev_video_meteor_ioctl_meteor_h
1408 direct_h
1409 dlfcn_h
1410 d3d11_h
1411 dxva_h
1412 gsm_h
1413 io_h
1414 mach_mach_time_h
1415 machine_ioctl_bt848_h
1416 machine_ioctl_meteor_h
1417 malloc_h
1418 poll_h
1419 sndio_h
1420 soundcard_h
1421 sys_mman_h
1422 sys_param_h
1423 sys_resource_h
1424 sys_select_h
1425 sys_soundcard_h
1426 sys_time_h
1427 sys_un_h
1428 sys_videoio_h
1429 unistd_h
1430 valgrind_valgrind_h
1431 windows_h
1432 winsock2_h
1433 "
1434
1435 INTRINSICS_LIST="
1436 intrinsics_neon
1437 "
1438
1439 MATH_FUNCS="
1440 atanf
1441 atan2f
1442 cbrtf
1443 cosf
1444 exp2
1445 exp2f
1446 expf
1447 isinf
1448 isnan
1449 ldexpf
1450 llrint
1451 llrintf
1452 log2
1453 log2f
1454 log10f
1455 lrint
1456 lrintf
1457 powf
1458 rint
1459 round
1460 roundf
1461 sinf
1462 trunc
1463 truncf
1464 "
1465
1466 SYSTEM_FUNCS="
1467 aligned_malloc
1468 clock_gettime
1469 closesocket
1470 CommandLineToArgvW
1471 CoTaskMemFree
1472 CryptGenRandom
1473 dlopen
1474 fcntl
1475 flt_lim
1476 fork
1477 getaddrinfo
1478 gethrtime
1479 getopt
1480 GetProcessAffinityMask
1481 GetProcessMemoryInfo
1482 GetProcessTimes
1483 getrusage
1484 getservbyport
1485 GetSystemTimeAsFileTime
1486 gettimeofday
1487 gmtime_r
1488 inet_aton
1489 isatty
1490 jack_port_get_latency_range
1491 LoadLibrary
1492 localtime_r
1493 mach_absolute_time
1494 MapViewOfFile
1495 memalign
1496 mkstemp
1497 mmap
1498 mprotect
1499 nanosleep
1500 posix_memalign
1501 sched_getaffinity
1502 SetConsoleTextAttribute
1503 setmode
1504 setrlimit
1505 Sleep
1506 strerror_r
1507 sysconf
1508 sysctl
1509 usleep
1510 VirtualAlloc
1511 "
1512
1513 TOOLCHAIN_FEATURES="
1514 as_dn_directive
1515 as_func
1516 as_object_arch
1517 asm_mod_q
1518 attribute_may_alias
1519 attribute_packed
1520 ebp_available
1521 ebx_available
1522 gnu_as
1523 ibm_asm
1524 inline_asm_labels
1525 pragma_deprecated
1526 symver_asm_label
1527 symver_gnu_asm
1528 vfp_args
1529 xform_asm
1530 xmm_clobbers
1531 "
1532
1533 TYPES_LIST="
1534 CONDITION_VARIABLE_Ptr
1535 socklen_t
1536 struct_addrinfo
1537 struct_group_source_req
1538 struct_ip_mreq_source
1539 struct_ipv6_mreq
1540 struct_pollfd
1541 struct_rusage_ru_maxrss
1542 struct_sockaddr_in6
1543 struct_sockaddr_sa_len
1544 struct_sockaddr_storage
1545 struct_v4l2_frmivalenum_discrete
1546 "
1547
1548 HAVE_LIST="
1549 $ARCH_EXT_LIST
1550 $(add_suffix _external $ARCH_EXT_LIST)
1551 $(add_suffix _inline $ARCH_EXT_LIST)
1552 $ARCH_FEATURES
1553 $ATOMICS_LIST
1554 $BUILTIN_LIST
1555 $HAVE_LIST_CMDLINE
1556 $HAVE_LIST_PUB
1557 $HEADERS_LIST
1558 $INTRINSICS_LIST
1559 $MATH_FUNCS
1560 $SYSTEM_FUNCS
1561 $THREADS_LIST
1562 $TOOLCHAIN_FEATURES
1563 $TYPES_LIST
1564 atomics_native
1565 dos_paths
1566 dxva2_lib
1567 libc_msvcrt
1568 libdc1394_1
1569 libdc1394_2
1570 sdl
1571 section_data_rel_ro
1572 threads
1573 vaapi_x11
1574 vdpau_x11
1575 xlib
1576 "
1577
1578 # options emitted with CONFIG_ prefix but not available on the command line
1579 CONFIG_EXTRA="
1580 aandcttables
1581 ac3dsp
1582 audio_frame_queue
1583 audiodsp
1584 blockdsp
1585 bswapdsp
1586 cabac
1587 dvprofile
1588 faandct
1589 faanidct
1590 fdctdsp
1591 flacdsp
1592 fmtconvert
1593 g722dsp
1594 gcrypt
1595 gmp
1596 golomb
1597 gplv3
1598 h263dsp
1599 h264chroma
1600 h264dsp
1601 h264pred
1602 h264qpel
1603 hpeldsp
1604 huffman
1605 huffyuvdsp
1606 huffyuvencdsp
1607 idctdsp
1608 iirfilter
1609 imdct15
1610 intrax8
1611 ividsp
1612 jpegtables
1613 libx262
1614 lgplv3
1615 lpc
1616 lzf
1617 me_cmp
1618 mpeg_er
1619 mpegaudio
1620 mpegaudiodsp
1621 mpegvideo
1622 mpegvideoenc
1623 mss34dsp
1624 pixblockdsp
1625 qpeldsp
1626 qsv
1627 qsvdec
1628 qsvenc
1629 rangecoder
1630 riffdec
1631 riffenc
1632 rtpdec
1633 rtpenc_chain
1634 rv34dsp
1635 sinewin
1636 snappy
1637 startcode
1638 texturedsp
1639 texturedspenc
1640 tpeldsp
1641 videodsp
1642 vp3dsp
1643 vp56dsp
1644 vp8dsp
1645 wma_freqs
1646 wmv2dsp
1647 "
1648
1649 CMDLINE_SELECT="
1650 $ARCH_EXT_LIST
1651 $CONFIG_LIST
1652 $HAVE_LIST_CMDLINE
1653 $THREADS_LIST
1654 asm
1655 cross_compile
1656 debug
1657 extra_warnings
1658 logging
1659 lto
1660 optimizations
1661 rpath
1662 "
1663
1664 PATHS_LIST="
1665 bindir
1666 datadir
1667 docdir
1668 incdir
1669 libdir
1670 mandir
1671 prefix
1672 shlibdir
1673 "
1674
1675 CMDLINE_SET="
1676 $PATHS_LIST
1677 ar
1678 arch
1679 as
1680 build_suffix
1681 cc
1682 cpu
1683 cross_prefix
1684 dep_cc
1685 env
1686 extra_version
1687 host_cc
1688 host_cflags
1689 host_ld
1690 host_ldflags
1691 host_libs
1692 host_os
1693 ld
1694 logfile
1695 malloc_prefix
1696 nm
1697 optflags
1698 pkg_config
1699 pkg_config_flags
1700 random_seed
1701 samples
1702 sysinclude
1703 sysroot
1704 target_exec
1705 target_os
1706 target_path
1707 target_samples
1708 toolchain
1709 "
1710
1711 CMDLINE_APPEND="
1712 extra_cflags
1713 host_cppflags
1714 "
1715
1716 # code dependency declarations
1717
1718 # architecture extensions
1719
1720 armv5te_deps="arm"
1721 armv6_deps="arm"
1722 armv6t2_deps="arm"
1723 armv8_deps="aarch64"
1724 neon_deps_any="aarch64 arm"
1725 intrinsics_neon_deps="neon"
1726 vfp_deps_any="aarch64 arm"
1727 vfpv3_deps="vfp"
1728
1729 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1730
1731 altivec_deps="ppc"
1732 ppc4xx_deps="ppc"
1733 vsx_deps="altivec"
1734 power8_deps="vsx"
1735
1736 cpunop_deps="i686"
1737 x86_64_select="i686"
1738 x86_64_suggest="fast_cmov"
1739
1740 amd3dnow_deps="mmx"
1741 amd3dnowext_deps="amd3dnow"
1742 i686_deps="x86"
1743 mmx_deps="x86"
1744 mmxext_deps="mmx"
1745 sse_deps="mmxext"
1746 sse2_deps="sse"
1747 sse3_deps="sse2"
1748 ssse3_deps="sse3"
1749 sse4_deps="ssse3"
1750 sse42_deps="sse4"
1751 avx_deps="sse42"
1752 xop_deps="avx"
1753 fma3_deps="avx"
1754 fma4_deps="avx"
1755 avx2_deps="avx"
1756
1757 mmx_external_deps="yasm"
1758 mmx_inline_deps="inline_asm"
1759 mmx_suggest="mmx_external mmx_inline"
1760
1761 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1762 eval dep=\$${ext}_deps
1763 eval ${ext}_external_deps='"${dep}_external"'
1764 eval ${ext}_inline_deps='"${dep}_inline"'
1765 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1766 done
1767
1768 aligned_stack_if_any="aarch64 ppc x86"
1769 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1770 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1771 fast_unaligned_if_any="aarch64 ppc x86"
1772 simd_align_16_if_any="altivec neon sse"
1773
1774 # system capabilities
1775 symver_if_any="symver_asm_label symver_gnu_asm"
1776 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
1777
1778 # threading support
1779 atomics_gcc_if="sync_val_compare_and_swap"
1780 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1781 atomics_win32_if="MemoryBarrier"
1782 atomics_native_if_any="$ATOMICS_LIST"
1783 w32threads_deps="atomics_native"
1784 threads_if_any="$THREADS_LIST"
1785
1786 # subsystems
1787 dct_select="rdft"
1788 error_resilience_select="me_cmp"
1789 faandct_deps="faan fdctdsp"
1790 faanidct_deps="faan idctdsp"
1791 intrax8_select="error_resilience"
1792 mdct_select="fft"
1793 rdft_select="fft"
1794 me_cmp_select="fdctdsp idctdsp pixblockdsp"
1795 mpeg_er_select="error_resilience"
1796 mpegaudio_select="mpegaudiodsp"
1797 mpegaudiodsp_select="dct"
1798 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp videodsp"
1799 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
1800 nvenc_deps_any="dlopen LoadLibrary"
1801 nvenc_extralibs='$ldl'
1802 qsvdec_select="qsv"
1803 qsvenc_select="qsv"
1804
1805 # decoders / encoders
1806 aac_decoder_select="imdct15 mdct sinewin"
1807 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
1808 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1809 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
1810 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1811 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
1812 adpcm_g722_decoder_select="g722dsp"
1813 adpcm_g722_encoder_select="g722dsp"
1814 aic_decoder_select="golomb idctdsp"
1815 alac_encoder_select="lpc"
1816 als_decoder_select="bswapdsp"
1817 amrnb_decoder_select="lsp"
1818 amrwb_decoder_select="lsp"
1819 amv_decoder_select="sp5x_decoder"
1820 ape_decoder_select="bswapdsp"
1821 asv1_decoder_select="blockdsp bswapdsp idctdsp"
1822 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
1823 asv2_decoder_select="blockdsp bswapdsp idctdsp"
1824 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
1825 atrac1_decoder_select="mdct sinewin"
1826 atrac3_decoder_select="mdct"
1827 atrac3p_decoder_select="mdct sinewin"
1828 bink_decoder_select="blockdsp hpeldsp"
1829 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
1830 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
1831 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
1832 cllc_decoder_select="bswapdsp"
1833 comfortnoise_encoder_select="lpc"
1834 cook_decoder_select="audiodsp mdct sinewin"
1835 cscd_decoder_select="lzo"
1836 cscd_decoder_suggest="zlib"
1837 dca_decoder_select="fmtconvert mdct"
1838 dds_decoder_select="texturedsp"
1839 dnxhd_decoder_select="blockdsp idctdsp"
1840 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
1841 dvvideo_decoder_select="dvprofile idctdsp"
1842 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
1843 dxa_decoder_deps="zlib"
1844 dxv_decoder_select="lzf texturedsp"
1845 eac3_decoder_select="ac3_decoder"
1846 eac3_encoder_select="ac3_encoder"
1847 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
1848 eatgq_decoder_select="aandcttables idctdsp"
1849 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
1850 exr_decoder_deps="zlib"
1851 ffv1_decoder_select="golomb rangecoder"
1852 ffv1_encoder_select="rangecoder"
1853 ffvhuff_decoder_select="huffyuv_decoder"
1854 ffvhuff_encoder_select="huffyuv_encoder"
1855 fic_decoder_select="golomb"
1856 flac_decoder_select="flacdsp golomb"
1857 flac_encoder_select="bswapdsp flacdsp golomb lpc"
1858 flashsv_decoder_deps="zlib"
1859 flashsv_encoder_deps="zlib"
1860 flashsv2_decoder_deps="zlib"
1861 flv_decoder_select="h263_decoder"
1862 flv_encoder_select="h263_encoder"
1863 fourxm_decoder_select="blockdsp bswapdsp"
1864 fraps_decoder_select="bswapdsp huffman"
1865 g2m_decoder_deps="zlib"
1866 g2m_decoder_select="blockdsp idctdsp jpegtables"
1867 h261_decoder_select="mpeg_er mpegvideo"
1868 h261_encoder_select="aandcttables mpegvideoenc"
1869 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
1870 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1871 h263i_decoder_select="h263_decoder"
1872 h263p_encoder_select="h263_encoder"
1873 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
1874 h264_decoder_suggest="error_resilience"
1875 h264_nvenc_encoder_deps="nvenc"
1876 h264_qsv_decoder_deps="libmfx"
1877 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
1878 h264_qsv_encoder_deps="libmfx"
1879 h264_qsv_encoder_select="qsvenc"
1880 hap_decoder_select="snappy texturedsp"
1881 hap_encoder_deps="libsnappy"
1882 hap_encoder_select="texturedspenc"
1883 hevc_decoder_select="bswapdsp cabac golomb videodsp"
1884 hevc_nvenc_encoder_deps="nvenc"
1885 hevc_qsv_encoder_deps="libmfx"
1886 hevc_qsv_decoder_deps="libmfx"
1887 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
1888 hevc_qsv_encoder_select="qsvenc"
1889 huffyuv_decoder_select="bswapdsp huffyuvdsp"
1890 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
1891 iac_decoder_select="imc_decoder"
1892 imc_decoder_select="bswapdsp fft mdct sinewin"
1893 indeo3_decoder_select="hpeldsp"
1894 indeo4_decoder_select="ividsp"
1895 indeo5_decoder_select="ividsp"
1896 interplay_video_decoder_select="hpeldsp"
1897 jpegls_decoder_select="golomb mjpeg_decoder"
1898 jpegls_encoder_select="golomb"
1899 jv_decoder_select="blockdsp"
1900 lagarith_decoder_select="huffyuvdsp"
1901 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
1902 loco_decoder_select="golomb"
1903 mdec_decoder_select="blockdsp idctdsp mpegvideo"
1904 metasound_decoder_select="lsp mdct sinewin"
1905 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
1906 mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
1907 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
1908 mjpegb_decoder_select="mjpeg_decoder"
1909 mlp_decoder_select="mlp_parser"
1910 motionpixels_decoder_select="bswapdsp"
1911 mp1_decoder_select="mpegaudio"
1912 mp1float_decoder_select="mpegaudio"
1913 mp2_decoder_select="mpegaudio"
1914 mp2float_decoder_select="mpegaudio"
1915 mp3_decoder_select="mpegaudio"
1916 mp3adu_decoder_select="mpegaudio"
1917 mp3adufloat_decoder_select="mpegaudio"
1918 mp3float_decoder_select="mpegaudio"
1919 mp3on4_decoder_select="mpegaudio"
1920 mp3on4float_decoder_select="mpegaudio"
1921 mpc7_decoder_select="bswapdsp mpegaudiodsp"
1922 mpc8_decoder_select="mpegaudiodsp"
1923 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1924 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1925 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
1926 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1927 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
1928 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1929 mpeg2_qsv_decoder_deps="libmfx"
1930 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel mpegvideo_parser"
1931 mpeg2_qsv_encoder_deps="libmfx"
1932 mpeg2_qsv_encoder_select="qsvenc"
1933 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1934 mpeg4_encoder_select="h263_encoder"
1935 msa1_decoder_select="mss34dsp"
1936 msmpeg4v1_decoder_select="h263_decoder"
1937 msmpeg4v2_decoder_select="h263_decoder"
1938 msmpeg4v2_encoder_select="h263_encoder"
1939 msmpeg4v3_decoder_select="h263_decoder"
1940 msmpeg4v3_encoder_select="h263_encoder"
1941 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
1942 mts2_decoder_select="mss34dsp"
1943 mxpeg_decoder_select="mjpeg_decoder"
1944 nellymoser_decoder_select="mdct sinewin"
1945 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1946 nuv_decoder_select="idctdsp lzo"
1947 on2avc_decoder_select="mdct"
1948 opus_decoder_deps="avresample"
1949 opus_decoder_select="imdct15"
1950 png_decoder_deps="zlib"
1951 png_encoder_deps="zlib"
1952 png_encoder_select="huffyuvencdsp"
1953 prores_decoder_select="idctdsp"
1954 prores_encoder_select="fdctdsp"
1955 qcelp_decoder_select="lsp"
1956 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1957 ra_144_encoder_select="audio_frame_queue lpc"
1958 ralf_decoder_select="golomb"
1959 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
1960 rv10_encoder_select="h263_encoder"
1961 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
1962 rv20_encoder_select="h263_encoder"
1963 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
1964 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
1965 shorten_decoder_select="golomb"
1966 sipr_decoder_select="lsp"
1967 sp5x_decoder_select="mjpeg_decoder"
1968 svq1_decoder_select="hpeldsp"
1969 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
1970 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
1971 svq3_decoder_suggest="zlib"
1972 tak_decoder_select="audiodsp"
1973 tdsc_decoder_deps="zlib"
1974 tdsc_decoder_select="mjpeg_decoder"
1975 theora_decoder_select="vp3_decoder"
1976 thp_decoder_select="mjpeg_decoder"
1977 tiff_decoder_suggest="zlib"
1978 tiff_encoder_suggest="zlib"
1979 truehd_decoder_select="mlp_decoder"
1980 truemotion2_decoder_select="bswapdsp"
1981 truespeech_decoder_select="bswapdsp"
1982 tscc_decoder_deps="zlib"
1983 txd_decoder_select="texturedsp"
1984 twinvq_decoder_select="mdct lsp sinewin"
1985 utvideo_decoder_select="bswapdsp"
1986 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
1987 vble_decoder_select="huffyuvdsp"
1988 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
1989 vc1image_decoder_select="vc1_decoder"
1990 vorbis_decoder_select="mdct"
1991 vorbis_encoder_select="mdct"
1992 vp3_decoder_select="hpeldsp vp3dsp videodsp"
1993 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
1994 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
1995 vp6a_decoder_select="vp6_decoder"
1996 vp6f_decoder_select="vp6_decoder"
1997 vp7_decoder_select="h264pred videodsp vp8dsp"
1998 vp8_decoder_select="h264pred videodsp vp8dsp"
1999 vp9_decoder_select="videodsp"
2000 webp_decoder_select="vp8_decoder"
2001 wmapro_decoder_select="mdct sinewin wma_freqs"
2002 wmav1_decoder_select="mdct sinewin wma_freqs"
2003 wmav1_encoder_select="mdct sinewin wma_freqs"
2004 wmav2_decoder_select="mdct sinewin wma_freqs"
2005 wmav2_encoder_select="mdct sinewin wma_freqs"
2006 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2007 wmv1_decoder_select="h263_decoder"
2008 wmv1_encoder_select="h263_encoder"
2009 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2010 wmv2_encoder_select="h263_encoder wmv2dsp"
2011 wmv3_decoder_select="vc1_decoder"
2012 wmv3image_decoder_select="wmv3_decoder"
2013 zerocodec_decoder_deps="zlib"
2014 zlib_decoder_deps="zlib"
2015 zlib_encoder_deps="zlib"
2016 zmbv_decoder_deps="zlib"
2017 zmbv_encoder_deps="zlib"
2018
2019 # hardware accelerators
2020 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2021 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2022 vaapi_deps="va_va_h"
2023 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2024 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2025 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2026
2027 h263_vaapi_hwaccel_deps="vaapi"
2028 h263_vaapi_hwaccel_select="h263_decoder"
2029 h263_vdpau_hwaccel_deps="vdpau"
2030 h263_vdpau_hwaccel_select="h263_decoder"
2031 h264_d3d11va_hwaccel_deps="d3d11va"
2032 h264_d3d11va_hwaccel_select="h264_decoder"
2033 h264_dxva2_hwaccel_deps="dxva2"
2034 h264_dxva2_hwaccel_select="h264_decoder"
2035 h264_mmal_decoder_deps="mmal"
2036 h264_mmal_hwaccel_deps="mmal"
2037 h264_mmal_decoder_select="h264_decoder"
2038 h264_mmal_encoder_deps="mmal"
2039 h264_qsv_hwaccel_deps="libmfx"
2040 h264_vaapi_hwaccel_deps="vaapi"
2041 h264_vaapi_hwaccel_select="h264_decoder"
2042 h264_vda_hwaccel_deps="vda"
2043 h264_vda_hwaccel_select="h264_decoder"
2044 h264_vda_old_hwaccel_deps="vda"
2045 h264_vda_old_hwaccel_select="h264_decoder"
2046 h264_vdpau_hwaccel_deps="vdpau"
2047 h264_vdpau_hwaccel_select="h264_decoder"
2048 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2049 hevc_d3d11va_hwaccel_select="hevc_decoder"
2050 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2051 hevc_dxva2_hwaccel_select="hevc_decoder"
2052 hevc_qsv_hwaccel_deps="libmfx"
2053 mpeg1_vdpau_hwaccel_deps="vdpau"
2054 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2055 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2056 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2057 mpeg2_dxva2_hwaccel_deps="dxva2"
2058 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2059 mpeg2_qsv_hwaccel_deps="libmfx"
2060 mpeg2_vaapi_hwaccel_deps="vaapi"
2061 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2062 mpeg2_vdpau_hwaccel_deps="vdpau"
2063 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2064 mpeg4_vaapi_hwaccel_deps="vaapi"
2065 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2066 mpeg4_vdpau_hwaccel_deps="vdpau"
2067 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2068 vc1_d3d11va_hwaccel_deps="d3d11va"
2069 vc1_d3d11va_hwaccel_select="vc1_decoder"
2070 vc1_dxva2_hwaccel_deps="dxva2"
2071 vc1_dxva2_hwaccel_select="vc1_decoder"
2072 vc1_vaapi_hwaccel_deps="vaapi"
2073 vc1_vaapi_hwaccel_select="vc1_decoder"
2074 vc1_vdpau_hwaccel_deps="vdpau"
2075 vc1_vdpau_hwaccel_select="vc1_decoder"
2076 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2077 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2078 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2079 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2080
2081 # parsers
2082 h264_parser_select="h264_decoder"
2083 hevc_parser_select="golomb"
2084 mpegvideo_parser_select="mpegvideo"
2085 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
2086 vc1_parser_select="mpegvideo startcode vc1_decoder"
2087
2088 # bitstream_filters
2089 mjpeg2jpeg_bsf_select="jpegtables"
2090
2091 # external libraries
2092 libdcadec_decoder_deps="libdcadec"
2093 libfaac_encoder_deps="libfaac"
2094 libfaac_encoder_select="audio_frame_queue"
2095 libfdk_aac_decoder_deps="libfdk_aac"
2096 libfdk_aac_encoder_deps="libfdk_aac"
2097 libfdk_aac_encoder_select="audio_frame_queue"
2098 libgsm_decoder_deps="libgsm"
2099 libgsm_encoder_deps="libgsm"
2100 libgsm_ms_decoder_deps="libgsm"
2101 libgsm_ms_encoder_deps="libgsm"
2102 libilbc_decoder_deps="libilbc"
2103 libilbc_encoder_deps="libilbc"
2104 libmp3lame_encoder_deps="libmp3lame"
2105 libmp3lame_encoder_select="audio_frame_queue"
2106 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2107 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2108 libopencore_amrnb_encoder_select="audio_frame_queue"
2109 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2110 libopenh264_encoder_deps="libopenh264"
2111 libopenjpeg_decoder_deps="libopenjpeg"
2112 libopenjpeg_encoder_deps="libopenjpeg"
2113 libopus_decoder_deps="libopus"
2114 libopus_encoder_deps="libopus"
2115 libopus_encoder_select="audio_frame_queue"
2116 libschroedinger_decoder_deps="libschroedinger"
2117 libschroedinger_encoder_deps="libschroedinger"
2118 libspeex_decoder_deps="libspeex"
2119 libspeex_encoder_deps="libspeex"
2120 libspeex_encoder_select="audio_frame_queue"
2121 libtheora_encoder_deps="libtheora"
2122 libtwolame_encoder_deps="libtwolame"
2123 libvo_aacenc_encoder_deps="libvo_aacenc"
2124 libvo_aacenc_encoder_select="audio_frame_queue"
2125 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2126 libvorbis_encoder_deps="libvorbis"
2127 libvorbis_encoder_select="audio_frame_queue"
2128 libvpx_vp8_decoder_deps="libvpx"
2129 libvpx_vp8_encoder_deps="libvpx"
2130 libvpx_vp9_decoder_deps="libvpx"
2131 libvpx_vp9_encoder_deps="libvpx"
2132 libwavpack_encoder_deps="libwavpack"
2133 libwebp_encoder_deps="libwebp"
2134 libx262_encoder_deps="libx262"
2135 libx264_encoder_deps="libx264"
2136 libx265_encoder_deps="libx265"
2137 libxavs_encoder_deps="libxavs"
2138 libxvid_encoder_deps="libxvid"
2139
2140 # demuxers / muxers
2141 ac3_demuxer_select="ac3_parser"
2142 asf_demuxer_select="riffdec"
2143 asf_muxer_select="riffenc"
2144 asf_stream_muxer_select="asf_muxer"
2145 avi_demuxer_select="riffdec"
2146 avi_muxer_select="riffenc"
2147 avisynth_demuxer_deps="avisynth"
2148 avisynth_demuxer_select="riffdec"
2149 caf_demuxer_select="riffdec"
2150 dash_muxer_select="mp4_muxer"
2151 dirac_demuxer_select="dirac_parser"
2152 dv_demuxer_select="dvprofile"
2153 dv_muxer_select="dvprofile"
2154 dxa_demuxer_select="riffdec"
2155 eac3_demuxer_select="ac3_parser"
2156 f4v_muxer_select="mov_muxer"
2157 flac_demuxer_select="flac_parser"
2158 hds_muxer_select="flv_muxer"
2159 hls_muxer_select="mpegts_muxer"
2160 ipod_muxer_select="mov_muxer"
2161 ismv_muxer_select="mov_muxer"
2162 matroska_audio_muxer_select="matroska_muxer"
2163 matroska_demuxer_select="riffdec"
2164 matroska_demuxer_suggest="bzlib lzo zlib"
2165 matroska_muxer_select="riffenc"
2166 mmf_muxer_select="riffenc"
2167 mov_demuxer_select="riffdec"
2168 mov_demuxer_suggest="zlib"
2169 mov_muxer_select="riffenc rtpenc_chain"
2170 mp3_demuxer_select="mpegaudio_parser"
2171 mp4_muxer_select="mov_muxer"
2172 mpegts_muxer_select="adts_muxer latm_muxer"
2173 mpegtsraw_demuxer_select="mpegts_demuxer"
2174 mxf_d10_muxer_select="mxf_muxer"
2175 nut_muxer_select="riffenc"
2176 nuv_demuxer_select="riffdec"
2177 oga_muxer_select="ogg_muxer"
2178 ogg_demuxer_select="golomb"
2179 opus_muxer_select="ogg_muxer"
2180 psp_muxer_select="mov_muxer"
2181 rtp_demuxer_select="sdp_demuxer"
2182 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2183 rtsp_demuxer_select="http_protocol rtpdec"
2184 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2185 sap_demuxer_select="sdp_demuxer"
2186 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2187 sdp_demuxer_select="rtpdec"
2188 smoothstreaming_muxer_select="ismv_muxer"
2189 spdif_muxer_select="aac_parser"
2190 spx_muxer_select="ogg_muxer"
2191 tak_demuxer_select="tak_parser"
2192 tg2_muxer_select="mov_muxer"
2193 tgp_muxer_select="mov_muxer"
2194 w64_demuxer_select="wav_demuxer"
2195 wav_demuxer_select="riffdec"
2196 wav_muxer_select="riffenc"
2197 webm_muxer_select="riffenc"
2198 webm_muxer_suggest="libopus_encoder libvorbis_encoder libvpx_vp8_encoder libvpx_vp9_encoder"
2199 wtv_demuxer_select="riffdec"
2200 xmv_demuxer_select="riffdec"
2201 xwma_demuxer_select="riffdec"
2202
2203 # indevs / outdevs
2204 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2205 alsa_outdev_deps="alsa_asoundlib_h"
2206 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2207 dv1394_indev_deps="dv1394"
2208 dv1394_indev_select="dv_demuxer"
2209 fbdev_indev_deps="linux_fb_h"
2210 jack_indev_deps="jack_jack_h pthreads"
2211 libcdio_indev_deps="libcdio"
2212 libdc1394_indev_deps="libdc1394"
2213 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2214 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2215 pulse_indev_deps="libpulse"
2216 sndio_indev_deps="sndio_h"
2217 sndio_outdev_deps="sndio_h"
2218 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2219 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2220 vfwcap_indev_extralibs="-lavicap32"
2221 x11grab_indev_deps="x11grab"
2222 x11grab_xcb_indev_deps="libxcb"
2223
2224 # protocols
2225 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2226 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2227 ffrtmpcrypt_protocol_select="tcp_protocol"
2228 ffrtmphttp_protocol_deps="!librtmp_protocol"
2229 ffrtmphttp_protocol_select="http_protocol"
2230 gopher_protocol_select="network"
2231 http_protocol_select="tcp_protocol"
2232 httpproxy_protocol_select="tcp_protocol"
2233 https_protocol_select="tls_protocol"
2234 icecast_protocol_select="http_protocol"
2235 librtmp_protocol_deps="librtmp"
2236 librtmpe_protocol_deps="librtmp"
2237 librtmps_protocol_deps="librtmp"
2238 librtmpt_protocol_deps="librtmp"
2239 librtmpte_protocol_deps="librtmp"
2240 mmsh_protocol_select="http_protocol"
2241 mmst_protocol_select="network"
2242 rtmp_protocol_deps="!librtmp_protocol"
2243 rtmp_protocol_select="tcp_protocol"
2244 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2245 rtmps_protocol_deps="!librtmp_protocol"
2246 rtmps_protocol_select="tls_protocol"
2247 rtmpt_protocol_select="ffrtmphttp_protocol"
2248 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2249 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2250 rtp_protocol_select="udp_protocol"
2251 sctp_protocol_deps="struct_sctp_event_subscribe"
2252 sctp_protocol_select="network"
2253 srtp_protocol_select="rtp_protocol"
2254 tcp_protocol_select="network"
2255 tls_gnutls_protocol_deps="gnutls"
2256 tls_gnutls_protocol_select="tcp_protocol"
2257 tls_openssl_protocol_deps="openssl !tls_gnutls_protocol"
2258 tls_openssl_protocol_select="tcp_protocol"
2259 tls_protocol_deps_any="tls_gnutls_protocol tls_openssl_protocol"
2260 udp_protocol_select="network"
2261 unix_protocol_deps="sys_un_h"
2262 unix_protocol_select="network"
2263
2264 # filters
2265 blackframe_filter_deps="gpl"
2266 boxblur_filter_deps="gpl"
2267 bs2b_filter_deps="libbs2b"
2268 cropdetect_filter_deps="gpl"
2269 delogo_filter_deps="gpl"
2270 drawtext_filter_deps="libfreetype"
2271 frei0r_filter_deps="frei0r dlopen"
2272 frei0r_filter_extralibs='$ldl'
2273 frei0r_src_filter_deps="frei0r dlopen"
2274 frei0r_src_filter_extralibs='$ldl'
2275 hqdn3d_filter_deps="gpl"
2276 interlace_filter_deps="gpl"
2277 ocv_filter_deps="libopencv"
2278 resample_filter_deps="avresample"
2279 scale_filter_deps="swscale"
2280
2281 # examples
2282 avcodec_example_deps="avcodec avutil"
2283 filter_audio_example_deps="avfilter avutil"
2284 metadata_example_deps="avformat avutil"
2285 output_example_deps="avcodec avformat avutil swscale"
2286 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2287 transcode_aac_example_deps="avcodec avformat avresample"
2288
2289 # libraries, in linking order
2290 avcodec_deps="avutil"
2291 avdevice_deps="avformat avcodec avutil"
2292 avfilter_deps="avutil"
2293 avformat_deps="avcodec avutil"
2294 avresample_deps="avutil"
2295 swscale_deps="avutil"
2296
2297 # programs
2298 avconv_deps="avcodec avfilter avformat avresample swscale"
2299 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2300 fps_filter null_filter resample_filter scale_filter
2301 setpts_filter trim_filter"
2302 avplay_deps="avcodec avformat avresample swscale sdl"
2303 avplay_libs='$sdl_libs'
2304 avplay_select="rdft transpose_filter hflip_filter vflip_filter"
2305 avprobe_deps="avcodec avformat"
2306
2307 # documentation
2308 pod2man_deps="doc"
2309 texi2html_deps="doc"
2310
2311 # default parameters
2312
2313 logfile="config.log"
2314
2315 # installation paths
2316 prefix_default="/usr/local"
2317 bindir_default='${prefix}/bin'
2318 datadir_default='${prefix}/share/avconv'
2319 docdir_default='${prefix}/share/doc/libav'
2320 incdir_default='${prefix}/include'
2321 libdir_default='${prefix}/lib'
2322 mandir_default='${prefix}/share/man'
2323 shlibdir_default="$libdir_default"
2324
2325 # toolchain
2326 ar_default="ar"
2327 cc_default="gcc"
2328 host_cc_default="gcc"
2329 cp_f="cp -f"
2330 ln_s="ln -s -f"
2331 nm_default="nm -g"
2332 objformat="elf"
2333 pkg_config_default=pkg-config
2334 ranlib="ranlib"
2335 strip="strip"
2336 yasmexe="yasm"
2337
2338 # machine
2339 arch_default=$(uname -m)
2340 cpu="generic"
2341 intrinsics="none"
2342
2343 # OS
2344 target_os_default=$(tolower $(uname -s))
2345 host_os=$target_os_default
2346
2347 # configurable options
2348 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2349
2350 enable asm
2351 enable debug
2352 enable doc
2353 enable faan faandct faanidct
2354 enable optimizations
2355 enable safe_bitstream_reader
2356 enable static
2357 enable swscale_alpha
2358 enable valgrind_backtrace
2359
2360 # By default, enable only those hwaccels that have no external dependencies.
2361 enable d3d11va dxva2 vda vdpau
2362
2363 # build settings
2364 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2365 LIBPREF="lib"
2366 LIBSUF=".a"
2367 FULLNAME='$(NAME)$(BUILDSUF)'
2368 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2369 SLIBPREF="lib"
2370 SLIBSUF=".so"
2371 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2372 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2373 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2374 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2375 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2376 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2377
2378 asflags_filter=echo
2379 cflags_filter=echo
2380 ldflags_filter=echo
2381
2382 AS_C='-c'
2383 AS_O='-o $@'
2384 CC_C='-c'
2385 CC_E='-E -o $@'
2386 CC_O='-o $@'
2387 LD_O='-o $@'
2388 LD_LIB='-l%'
2389 LD_PATH='-L'
2390 HOSTCC_C='-c'
2391 HOSTCC_E='-E -o $@'
2392 HOSTCC_O='-o $@'
2393 HOSTLD_O='-o $@'
2394
2395 host_libs='-lm'
2396 host_cflags_filter=echo
2397 host_ldflags_filter=echo
2398
2399 target_path='$(CURDIR)'
2400
2401 # since the object filename is not given with the -MM flag, the compiler
2402 # is only able to print the basename, and we must add the path ourselves
2403 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2404 DEPFLAGS='-MM'
2405
2406 # find source path
2407 if test -f configure; then
2408 source_path=.
2409 else
2410 source_path=$(cd $(dirname "$0"); pwd)
2411 echo "$source_path" | grep -q '[[:blank:]]' &&
2412 die "Out of tree builds are impossible with whitespace in source path."
2413 test -e "$source_path/config.h" &&
2414 die "Out of tree builds are impossible with config.h in source dir."
2415 fi
2416
2417 for v in "$@"; do
2418 r=${v#*=}
2419 l=${v%"$r"}
2420 r=$(sh_quote "$r")
2421 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2422 done
2423
2424 find_things(){
2425 thing=$1
2426 pattern=$2
2427 file=$source_path/$3
2428 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2429 }
2430
2431 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2432 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2433 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2434 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2435 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2436 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2437 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2438 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2439 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2440 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2441 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2442
2443 ALL_COMPONENTS="
2444 $BSF_LIST
2445 $DECODER_LIST
2446 $DEMUXER_LIST
2447 $ENCODER_LIST
2448 $FILTER_LIST
2449 $HWACCEL_LIST
2450 $INDEV_LIST
2451 $MUXER_LIST
2452 $OUTDEV_LIST
2453 $PARSER_LIST
2454 $PROTOCOL_LIST
2455 "
2456
2457 for n in $COMPONENT_LIST; do
2458 v=$(toupper ${n%s})_LIST
2459 eval enable \$$v
2460 eval ${n}_if_any="\$$v"
2461 done
2462
2463 enable $ARCH_EXT_LIST
2464
2465 die_unknown(){
2466 echo "Unknown option \"$1\"."
2467 echo "See $0 --help for available options."
2468 exit 1
2469 }
2470
2471 print_3_columns() {
2472 cat | tr ' ' '\n' | sort | pr -r -3 -t
2473 }
2474
2475 show_list() {
2476 suffix=_$1
2477 shift
2478 echo $* | sed s/$suffix//g | print_3_columns
2479 exit 0
2480 }
2481
2482 rand_list(){
2483 IFS=', '
2484 set -- $*
2485 unset IFS
2486 for thing; do
2487 comp=${thing%:*}
2488 prob=${thing#$comp}
2489 prob=${prob#:}
2490 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2491 echo "prob ${prob:-0.5}"
2492 printf '%s\n' $comp
2493 done
2494 }
2495
2496 do_random(){
2497 action=$1
2498 shift
2499 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2500 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2501 }
2502
2503 for opt do
2504 optval="${opt#*=}"
2505 case "$opt" in
2506 --extra-ldflags=*)
2507 add_ldflags $optval
2508 ;;
2509 --extra-ldexeflags=*)
2510 add_ldexeflags $optval
2511 ;;
2512 --extra-libs=*)
2513 add_extralibs $optval
2514 ;;
2515 --disable-devices)
2516 disable $INDEV_LIST $OUTDEV_LIST
2517 ;;
2518 --enable-debug=*)
2519 debuglevel="$optval"
2520 ;;
2521 --disable-programs)
2522 disable $PROGRAM_LIST
2523 ;;
2524 --disable-everything)
2525 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2526 ;;
2527 --disable-all)
2528 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2529 disable $LIBRARY_LIST $PROGRAM_LIST doc
2530 ;;
2531 --enable-random|--disable-random)
2532 action=${opt%%-random}
2533 do_random ${action#--} $COMPONENT_LIST
2534 ;;
2535 --enable-random=*|--disable-random=*)
2536 action=${opt%%-random=*}
2537 do_random ${action#--} $optval
2538 ;;
2539 --enable-*=*|--disable-*=*)
2540 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2541 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2542 eval list=\$$(toupper $thing)_LIST
2543 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2544 $action $(filter "$name" $list)
2545 ;;
2546 --enable-avserver|--disable-avserver*)
2547 warn "avserver has been removed, the ${opt} option is only"\
2548 "provided for compatibility and will be removed in the future"
2549 ;;
2550 --enable-?*|--disable-?*)
2551 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2552 if is_in $option $COMPONENT_LIST; then
2553 test $action = disable && action=unset
2554 eval $action \$$(toupper ${option%s})_LIST
2555 elif is_in $option $CMDLINE_SELECT; then
2556 $action $option
2557 else
2558 die_unknown $opt
2559 fi
2560 ;;
2561 --list-*)
2562 NAME="${opt#--list-}"
2563 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2564 NAME=${NAME%s}
2565 eval show_list $NAME \$$(toupper $NAME)_LIST
2566 ;;
2567 --help|-h) show_help
2568 ;;
2569 *)
2570 optname="${opt%%=*}"
2571 optname="${optname#--}"
2572 optname=$(echo "$optname" | sed 's/-/_/g')
2573 if is_in $optname $CMDLINE_SET; then
2574 eval $optname='$optval'
2575 elif is_in $optname $CMDLINE_APPEND; then
2576 append $optname "$optval"
2577 else
2578 die_unknown $opt
2579 fi
2580 ;;
2581 esac
2582 done
2583
2584 for e in $env; do
2585 eval "export $e"
2586 done
2587
2588 disabled logging && logfile=/dev/null
2589
2590 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2591 set >> $logfile
2592
2593 case "$toolchain" in
2594 clang-asan)
2595 cc_default="clang"
2596 add_cflags -fsanitize=address
2597 add_ldflags -fsanitize=address
2598 ;;
2599 clang-tsan)
2600 cc_default="clang"
2601 add_cflags -fsanitize=thread -pie
2602 add_ldflags -fsanitize=thread -pie
2603 ;;
2604 clang-usan)
2605 cc_default="clang"
2606 add_cflags -fsanitize=undefined -O1
2607 add_ldflags -fsanitize=undefined
2608 ;;
2609 gcc-asan)
2610 cc_default="gcc"
2611 add_cflags -fsanitize=address
2612 add_ldflags -fsanitize=address
2613 ;;
2614 gcc-tsan)
2615 cc_default="gcc"
2616 add_cflags -fsanitize=thread -pie -fPIC
2617 add_ldflags -fsanitize=thread -pie -fPIC
2618 ;;
2619 gcc-usan)
2620 cc_default="gcc"
2621 add_cflags -fsanitize=undefined
2622 add_ldflags -fsanitize=undefined
2623 ;;
2624 valgrind-massif)
2625 target_exec_default="valgrind"
2626 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2627 ;;
2628 valgrind-memcheck)
2629 target_exec_default="valgrind"
2630 target_exec_args="--track-origins=yes --leak-check=full"
2631 ;;
2632 msvc)
2633 # Check whether the current MSVC version needs the C99 converter.
2634 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2635 # support enough of C99 to build libav. Default to the new
2636 # behaviour if the regexp was unable to match anything, since this
2637 # successfully parses the version number of existing supported
2638 # versions that require the converter (MSVC 2010 and 2012).
2639 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2640 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2641 cc_default="cl"
2642 else
2643 cc_default="c99wrap cl"
2644 fi
2645 ld_default="$source_path/compat/windows/mslink"
2646 nm_default="dumpbin -symbols"
2647 ar_default="lib"
2648 case "$arch" in
2649 arm*)
2650 as_default="armasm"
2651 ;;
2652 esac
2653 target_os_default="win32"
2654 # Use a relative path for TMPDIR. This makes sure all the
2655 # ffconf temp files are written with a relative path, avoiding
2656 # issues with msys/win32 path conversion for MSVC parameters
2657 # such as -Fo<file> or -out:<file>.
2658 TMPDIR=.
2659 ;;
2660 icl)
2661 cc_default="icl"
2662 ld_default="xilink"
2663 nm_default="dumpbin -symbols"
2664 ar_default="xilib"
2665 target_os_default="win32"
2666 TMPDIR=.
2667 ;;
2668 gcov)
2669 add_cflags -fprofile-arcs -ftest-coverage
2670 add_ldflags -fprofile-arcs -ftest-coverage
2671 ;;
2672 hardened)
2673 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
2674 add_cflags -fno-strict-overflow -fstack-protector-all
2675 add_ldflags -Wl,-z,relro -Wl,-z,now
2676 ;;
2677 ?*)
2678 die "Unknown toolchain $toolchain"
2679 ;;
2680 esac
2681
2682 test -n "$cross_prefix" && enable cross_compile
2683
2684 if enabled cross_compile; then
2685 test -n "$arch" && test -n "$target_os" ||
2686 die "Must specify target arch and OS when cross-compiling"
2687 fi
2688
2689 ar_default="${cross_prefix}${ar_default}"
2690 cc_default="${cross_prefix}${cc_default}"
2691 nm_default="${cross_prefix}${nm_default}"
2692 pkg_config_default="${cross_prefix}${pkg_config_default}"
2693 ranlib="${cross_prefix}${ranlib}"
2694 strip="${cross_prefix}${strip}"
2695
2696 sysinclude_default="${sysroot}/usr/include"
2697
2698 set_default arch cc pkg_config sysinclude target_exec target_os
2699 enabled cross_compile || host_cc_default=$cc
2700 set_default host_cc
2701
2702 if ! $pkg_config --version >/dev/null 2>&1; then
2703 warn "$pkg_config not found, library detection may fail."
2704 pkg_config=false
2705 fi
2706
2707 exesuf() {
2708 case $1 in
2709 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2710 esac
2711 }
2712
2713 EXESUF=$(exesuf $target_os)
2714 HOSTEXESUF=$(exesuf $host_os)
2715
2716 # set temporary file name
2717 : ${TMPDIR:=$TEMPDIR}
2718 : ${TMPDIR:=$TMP}
2719 : ${TMPDIR:=/tmp}
2720
2721 if ! check_cmd mktemp -u XXXXXX; then
2722 # simple replacement for missing mktemp
2723 # NOT SAFE FOR GENERAL USE
2724 mktemp(){
2725 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2726 }
2727 fi
2728
2729 tmpfile(){
2730 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2731 (set -C; exec > $tmp) 2>/dev/null ||
2732 die "Unable to create temporary file in $TMPDIR."
2733 append TMPFILES $tmp
2734 eval $1=$tmp
2735 }
2736
2737 trap 'rm -f -- $TMPFILES' EXIT
2738
2739 tmpfile TMPASM .asm
2740 tmpfile TMPC .c
2741 tmpfile TMPE $EXESUF
2742 tmpfile TMPH .h
2743 tmpfile TMPO .o
2744 tmpfile TMPS .S
2745 tmpfile TMPSH .sh
2746 tmpfile TMPV .ver
2747
2748 unset -f mktemp
2749
2750 chmod +x $TMPE
2751
2752 # make sure we can execute files in $TMPDIR
2753 cat > $TMPSH 2>> $logfile <<EOF
2754 #! /bin/sh
2755 EOF
2756 chmod +x $TMPSH >> $logfile 2>&1
2757 if ! $TMPSH >> $logfile 2>&1; then
2758 cat <<EOF
2759 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2760 variable to another directory and make sure that it is not mounted noexec.
2761 EOF
2762 die "Sanity test failed."
2763 fi
2764
2765 armasm_flags(){
2766 for flag; do
2767 case $flag in
2768 # Filter out MSVC cl.exe options from cflags that shouldn't
2769 # be passed to gas-preprocessor
2770 -M[TD]*) ;;
2771 *) echo $flag ;;
2772 esac
2773 done
2774 }
2775
2776 ccc_flags(){
2777 for flag; do
2778 case $flag in
2779 -std=c99) echo -c99 ;;
2780 -mcpu=*) echo -arch ${flag#*=} ;;
2781 -mieee) echo -ieee ;;
2782 -O*|-fast) echo $flag ;;
2783 -fno-math-errno) echo -assume nomath_errno ;;
2784 -g) echo -g3 ;;
2785 -Wall) echo -msg_enable level2 ;;
2786 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2787 -Wl,*) echo $flag ;;
2788 -f*|-W*) ;;
2789 *) echo $flag ;;
2790 esac
2791 done
2792 }
2793
2794 cparser_flags(){
2795 for flag; do
2796 case $flag in
2797 -Wno-switch) echo -Wno-switch-enum ;;
2798 -Wno-format-zero-length) ;;
2799 -Wdisabled-optimization) ;;
2800 -Wno-pointer-sign) echo -Wno-other ;;
2801 *) echo $flag ;;
2802 esac
2803 done
2804 }
2805
2806 msvc_common_flags(){
2807 for flag; do
2808 case $flag in
2809 # In addition to specifying certain flags under the compiler
2810 # specific filters, they must be specified here as well or else the
2811 # generic catch all at the bottom will print the original flag.
2812 -Wall) ;;
2813 -std=c99) ;;
2814 # Common flags
2815 -fomit-frame-pointer) ;;
2816 -g) echo -Z7 ;;
2817 -fno-math-errno) ;;
2818 -fno-common) ;;
2819 -fno-signed-zeros) ;;
2820 -fPIC) ;;
2821 -mthumb) ;;
2822 -march=*) ;;
2823 -lz) echo zlib.lib ;;
2824 -lavifil32) echo vfw32.lib ;;
2825 -lavicap32) echo vfw32.lib user32.lib ;;
2826 -l*) echo ${flag#-l}.lib ;;
2827 -L*) echo -libpath:${flag#-L} ;;
2828 *) echo $flag ;;
2829 esac
2830 done
2831 }
2832
2833 msvc_flags(){
2834 msvc_common_flags "$@"
2835 for flag; do
2836 case $flag in
2837 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2838 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2839 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2840 -wd4273 -wd4554 -wd4701 ;;
2841 esac
2842 done
2843 }
2844
2845 icl_flags(){
2846 msvc_common_flags "$@"
2847 for flag; do
2848 case $flag in
2849 # Despite what Intel's documentation says -Wall, which is supported
2850 # on Windows, does enable remarks so disable them here.
2851 -Wall) echo $flag -Qdiag-disable:remark ;;
2852 -std=c99) echo -Qstd=c99 ;;
2853 esac
2854 done
2855 }
2856
2857 pgi_flags(){
2858 for flag; do
2859 case $flag in
2860 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2861 -fomit-frame-pointer) echo -Mnoframe ;;
2862 -g) echo -gopt ;;
2863 *) echo $flag ;;
2864 esac
2865 done
2866 }
2867
2868 suncc_flags(){
2869 for flag; do
2870 case $flag in
2871 -march=*|-mcpu=*)
2872 case "${flag#*=}" in
2873 native) echo -xtarget=native ;;
2874 v9|niagara) echo -xarch=sparc ;;
2875 ultrasparc) echo -xarch=sparcvis ;;
2876 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2877 i586|pentium) echo -xchip=pentium ;;
2878 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2879 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2880 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2881 pentium4*) echo -xtarget=pentium4 ;;
2882 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2883 *-sse3) echo -xarch=sse3 ;;
2884 core2) echo -xarch=ssse3 -xchip=core2 ;;
2885 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2886 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2887 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
2888 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2889 k8|opteron|athlon64|athlon-fx)
2890 echo -xarch=sse2a ;;
2891 athlon*) echo -xarch=pentium_proa ;;
2892 esac
2893 ;;
2894 -std=c99) echo -xc99 ;;
2895 -fomit-frame-pointer) echo -xregs=frameptr ;;
2896 -fPIC) echo -KPIC -xcode=pic32 ;;
2897 -W*,*) echo $flag ;;
2898 -f*-*|-W*|-mimpure-text) ;;
2899 -shared) echo -G ;;
2900 *) echo $flag ;;
2901 esac
2902 done
2903 }
2904
2905 tms470_flags(){
2906 for flag; do
2907 case $flag in
2908 -march=*|-mcpu=*)
2909 case "${flag#*=}" in
2910 armv7-a|cortex-a*) echo -mv=7a8 ;;
2911 armv7-r|cortex-r*) echo -mv=7r4 ;;
2912 armv7-m|cortex-m*) echo -mv=7m3 ;;
2913 armv6*|arm11*) echo -mv=6 ;;
2914 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2915 echo -mv=5e ;;
2916 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2917 esac
2918 ;;
2919 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2920 -mfpu=vfp) echo --float_support=vfpv2 ;;
2921 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2922 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
2923 -msoft-float) echo --float_support=vfplib ;;
2924 -O[0-3]|-mf=*) echo $flag ;;
2925 -g) echo -g -mn ;;
2926 -pds=*) echo $flag ;;
2927 -D*|-I*) echo $flag ;;
2928 --gcc|--abi=*) echo $flag ;;
2929 -me) echo $flag ;;
2930 esac
2931 done
2932 }
2933
2934 probe_cc(){
2935 pfx=$1
2936 _cc=$2
2937
2938 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2939 unset _ld_o _ldflags _ld_lib _ld_path
2940 unset _depflags _DEPCMD _DEPFLAGS
2941 _flags_filter=echo
2942
2943 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2944 _type=llvm_gcc
2945 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
2946 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
2947 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2948 _cflags_speed='-O3'
2949 _cflags_size='-Os'
2950 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2951 _type=gcc
2952 gcc_version=$($_cc --version | head -n1)
2953 gcc_basever=$($_cc -dumpversion)
2954 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2955 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2956 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2957 if ! $_cc -dumpversion | grep -q '^2\.'; then
2958 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2959 fi
2960 _cflags_speed='-O3'
2961 _cflags_size='-Os'
2962 elif $_cc --version 2>/dev/null | grep -q ^icc; then
2963 _type=icc
2964 _ident=$($_cc --version | head -n1)
2965 _depflags='-MMD'
2966 _cflags_speed='-O3'
2967 _cflags_size='-Os'
2968 _cflags_noopt='-O1'
2969 elif $_cc -v 2>&1 | grep -q xlc; then
2970 _type=xlc
2971 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2972 _cflags_speed='-O5'
2973 _cflags_size='-O5 -qcompact'
2974 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2975 _type=ccc
2976 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2977 _DEPFLAGS='-M'
2978 _cflags_speed='-fast'
2979 _cflags_size='-O1'
2980 _flags_filter=ccc_flags
2981 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
2982 test -d "$sysroot" || die "No valid sysroot specified."
2983 _type=armcc
2984 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
2985 armcc_conf="$PWD/armcc.conf"
2986 $_cc --arm_linux_configure \
2987 --arm_linux_config_file="$armcc_conf" \
2988 --configure_sysroot="$sysroot" \
2989 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2990 die "Error creating armcc configuration file."
2991 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2992 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2993 as_default="${cross_prefix}gcc"
2994 _depflags='-MMD'
2995 _cflags_speed='-O3'
2996 _cflags_size='-Os'
2997 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2998 _type=tms470
2999 _ident=$($_cc -version | head -n1 | tr -s ' ')
3000 _flags='--gcc --abi=eabi -me'
3001 _cc_e='-ppl -fe=$@'
3002 _cc_o='-fe=$@'
3003 _depflags='-ppa -ppd=$(@:.o=.d)'
3004 _cflags_speed='-O3 -mf=5'
3005 _cflags_size='-O3 -mf=2'
3006 _flags_filter=tms470_flags
3007 elif $_cc -v 2>&1 | grep -q clang; then
3008 _type=clang
3009 _ident=$($_cc --version 2>/dev/null | head -n1)
3010 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3011 _cflags_speed='-O3'
3012 _cflags_size='-Os'
3013 elif $_cc -V 2>&1 | grep -q Sun; then
3014 _type=suncc
3015 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3016 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3017 _DEPFLAGS='-xM1 -xc99'
3018 _ldflags='-std=c99'
3019 _cflags_speed='-O5'
3020 _cflags_size='-O5 -xspace'
3021 _flags_filter=suncc_flags
3022 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3023 _type=pathscale
3024 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3025 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3026 _cflags_speed='-O2'
3027 _cflags_size='-Os'
3028 _flags_filter='filter_out -Wdisabled-optimization'
3029 elif $_cc -v 2>&1 | grep -q Open64; then
3030 _type=open64
3031 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3032 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3033 _cflags_speed='-O2'
3034 _cflags_size='-Os'
3035 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3036 elif $_cc -V 2>&1 | grep -q Portland; then
3037 _type=pgi
3038 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3039 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3040 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3041 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3042 _cflags_noopt="-O1"
3043 _flags_filter=pgi_flags
3044 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3045 _type=armasm
3046 _ident=$($_cc | head -n1)
3047 # 4509: "This form of conditional instruction is deprecated"
3048 _flags="-nologo -ignore 4509"
3049 _flags_filter=armasm_flags
3050 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3051 _type=msvc
3052 _ident=$($_cc 2>&1 | head -n1)
3053 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3054 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3055 _cflags_speed="-O2"
3056 _cflags_size="-O1"
3057 if $_cc -nologo- 2>&1 | grep -q Linker; then
3058 _ld_o='-out:$@'
3059 else
3060 _ld_o='-Fe$@'
3061 fi
3062 _cc_o='-Fo$@'
3063 _cc_e='-P -Fi$@'
3064 _flags_filter=msvc_flags
3065 _ld_lib='lib%.a'
3066 _ld_path='-libpath:'
3067 _flags='-nologo'
3068 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS'
3069 elif $_cc 2>&1 | grep -q Intel; then
3070 _type=icl
3071 _ident=$($_cc 2>&1 | head -n1)
3072 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3073 # Not only is O3 broken on 13.x+ but it is slower on all previous
3074 # versions (tested) as well.
3075 _cflags_speed="-O2"
3076 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3077 if $_cc 2>&1 | grep -q Linker; then
3078 _ld_o='-out:$@'
3079 else
3080 _ld_o='-Fe$@'
3081 fi
3082 _cc_o='-Fo$@'
3083 _cc_e='-P'
3084 _flags_filter=icl_flags
3085 _ld_lib='lib%.a'
3086 _ld_path='-libpath:'
3087 # -Qdiag-error to make icl error when seeing certain unknown arguments
3088 _flags='-nologo -Qdiag-error:4044,10157'
3089 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3090 # with MSVC which enables it by default.
3091 _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS'
3092 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3093 _type=cparser
3094 _ident=$($_cc --version | head -n1)
3095 _depflags='-MMD'
3096 _cflags_speed='-O4'
3097 _cflags_size='-O2'
3098 _flags_filter=cparser_flags
3099 fi
3100
3101 eval ${pfx}_type=\$_type
3102 eval ${pfx}_ident=\$_ident
3103 }
3104
3105 set_ccvars(){
3106 eval ${1}_C=\${_cc_c-\${${1}_C}}
3107 eval ${1}_E=\${_cc_e-\${${1}_E}}
3108 eval ${1}_O=\${_cc_o-\${${1}_O}}
3109
3110 if [ -n "$_depflags" ]; then
3111 eval ${1}_DEPFLAGS=\$_depflags
3112 else
3113 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3114 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3115 eval DEP${1}FLAGS=\$_flags
3116 fi
3117 }
3118
3119 probe_cc cc "$cc"
3120 cflags_filter=$_flags_filter
3121 cflags_speed=$_cflags_speed
3122 cflags_size=$_cflags_size
3123 cflags_noopt=$_cflags_noopt
3124 add_cflags $_flags $_cflags
3125 cc_ldflags=$_ldflags
3126 set_ccvars CC
3127
3128 probe_cc hostcc "$host_cc"
3129 host_cflags_filter=$_flags_filter
3130 add_host_cflags $_flags $_cflags
3131 set_ccvars HOSTCC
3132
3133 test -n "$cc_type" && enable $cc_type ||
3134 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3135
3136 : ${as_default:=$cc}
3137 : ${dep_cc_default:=$cc}
3138 : ${ld_default:=$cc}
3139 : ${host_ld_default:=$host_cc}
3140 set_default ar as dep_cc ld host_ld
3141
3142 probe_cc as "$as"
3143 asflags_filter=$_flags_filter
3144 add_asflags $_flags $_cflags
3145 set_ccvars AS
3146
3147 probe_cc ld "$ld"
3148 ldflags_filter=$_flags_filter
3149 add_ldflags $_flags $_ldflags
3150 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3151 LD_O=${_ld_o-$LD_O}
3152 LD_LIB=${_ld_lib-$LD_LIB}
3153 LD_PATH=${_ld_path-$LD_PATH}
3154
3155 probe_cc hostld "$host_ld"
3156 host_ldflags_filter=$_flags_filter
3157 add_host_ldflags $_flags $_ldflags
3158 HOSTLD_O=${_ld_o-$HOSTLD_O}
3159
3160 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3161 probe_cc depcc "$dep_cc"
3162 CCDEP=${_DEPCMD:-$DEPCMD}
3163 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3164 DEPCCFLAGS=$_flags
3165 fi
3166
3167 if $ar 2>&1 | grep -q Microsoft; then
3168 arflags="-nologo"
3169 ar_o='-out:$@'
3170 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3171 arflags="rq"
3172 ar_o='$@'
3173 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3174 arflags='-Xany -r -c'
3175 ar_o='$@'
3176 else
3177 arflags="rc"
3178 ar_o='$@'
3179 fi
3180
3181 add_cflags $extra_cflags
3182 add_asflags $extra_cflags
3183
3184 if test -n "$sysroot"; then
3185 case "$cc_type" in
3186 gcc|llvm_gcc|clang)
3187 add_cppflags --sysroot="$sysroot"
3188 add_ldflags --sysroot="$sysroot"
3189 ;;
3190 tms470)
3191 add_cppflags -I"$sysinclude"
3192 add_ldflags --sysroot="$sysroot"
3193 ;;
3194 esac
3195 fi
3196
3197 if test "$cpu" = host; then
3198 enabled cross_compile &&
3199 die "--cpu=host makes no sense when cross-compiling."
3200
3201 case "$cc_type" in
3202 gcc|llvm_gcc)
3203 check_native(){
3204 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3205 sed -n "/cc1.*$1=/{
3206 s/.*$1=\\([^ ]*\\).*/\\1/
3207 p
3208 q
3209 }" $TMPE
3210 }
3211 cpu=$(check_native -march || check_native -mcpu)
3212 ;;
3213 esac
3214
3215 test "${cpu:-host}" = host &&
3216 die "--cpu=host not supported with compiler $cc"
3217 fi
3218
3219 # Deal with common $arch aliases
3220 case "$arch" in
3221 aarch64|arm64)
3222 arch="aarch64"
3223 ;;
3224 arm*)
3225 arch="arm"
3226 ;;
3227 mips*|IP*)
3228 arch="mips"
3229 ;;
3230 parisc*|hppa*)
3231 arch="parisc"
3232 ;;
3233 "Power Macintosh"|ppc*|powerpc*)
3234 arch="ppc"
3235 ;;
3236 s390|s390x)
3237 arch="s390"
3238 ;;
3239 sh4|sh)
3240 arch="sh4"
3241 ;;
3242 sun4u|sparc*)
3243 arch="sparc"
3244 ;;
3245 tilegx|tile-gx)
3246 arch="tilegx"
3247 ;;
3248 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3249 arch="x86"
3250 ;;
3251 esac
3252
3253 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3254 enable $arch
3255
3256 # Add processor-specific flags
3257 if enabled aarch64; then
3258
3259 case $cpu in
3260 armv*)
3261 cpuflags="-march=$cpu"
3262 ;;
3263 *)
3264 cpuflags="-mcpu=$cpu"
3265 ;;
3266 esac
3267
3268 elif enabled alpha; then
3269
3270 cpuflags="-mcpu=$cpu"
3271
3272 elif enabled arm; then
3273
3274 check_arm_arch() {
3275 check_cpp_condition stddef.h \
3276 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3277 $cpuflags
3278 }
3279
3280 probe_arm_arch() {
3281 if check_arm_arch 4; then echo armv4;
3282 elif check_arm_arch 4T; then echo armv4t;
3283 elif check_arm_arch 5; then echo armv5;
3284 elif check_arm_arch 5E; then echo armv5e;
3285 elif check_arm_arch 5T; then echo armv5t;
3286 elif check_arm_arch 5TE; then echo armv5te;
3287 elif check_arm_arch 5TEJ; then echo armv5te;
3288 elif check_arm_arch 6; then echo armv6;
3289 elif check_arm_arch 6J; then echo armv6j;
3290 elif check_arm_arch 6K; then echo armv6k;
3291 elif check_arm_arch 6Z; then echo armv6z;
3292 elif check_arm_arch 6ZK; then echo armv6zk;
3293 elif check_arm_arch 6T2; then echo armv6t2;
3294 elif check_arm_arch 7; then echo armv7;
3295 elif check_arm_arch 7A 7_A; then echo armv7-a;
3296 elif check_arm_arch 7S; then echo armv7-a;
3297 elif check_arm_arch 7R 7_R; then echo armv7-r;
3298 elif check_arm_arch 7M 7_M; then echo armv7-m;
3299 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3300 elif check_arm_arch 8A 8_A; then echo armv8-a;
3301 fi
3302 }
3303
3304 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3305
3306 case $cpu in
3307 armv*)
3308 cpuflags="-march=$cpu"
3309 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3310 ;;
3311 *)
3312 cpuflags="-mcpu=$cpu"
3313 case $cpu in
3314 cortex-a*) subarch=armv7a ;;
3315 cortex-r*) subarch=armv7r ;;
3316 cortex-m*) enable thumb; subarch=armv7m ;;
3317 arm11*) subarch=armv6 ;;
3318 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3319 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3320 *) subarch=$(probe_arm_arch) ;;
3321 esac
3322 ;;
3323 esac
3324
3325 case "$subarch" in
3326 armv5t*) enable fast_clz ;;
3327 armv[6-8]*) enable fast_clz fast_unaligned ;;
3328 esac
3329
3330 elif enabled avr32; then
3331
3332 case $cpu in
3333 ap7[02]0[0-2])
3334 subarch="avr32_ap"
3335 cpuflags="-mpart=$cpu"
3336 ;;
3337 ap)
3338 subarch="avr32_ap"
3339 cpuflags="-march=$cpu"
3340 ;;
3341 uc3[ab]*)
3342 subarch="avr32_uc"
3343 cpuflags="-mcpu=$cpu"
3344 ;;
3345 uc)
3346 subarch="avr32_uc"
3347 cpuflags="-march=$cpu"
3348 ;;
3349 esac
3350
3351 elif enabled bfin; then
3352
3353 cpuflags="-mcpu=$cpu"
3354
3355 elif enabled mips; then
3356
3357 cpuflags="-march=$cpu"
3358
3359 elif enabled ppc; then
3360
3361 disable ldbrx
3362
3363 case $(tolower $cpu) in
3364 601|ppc601|powerpc601)
3365 cpuflags="-mcpu=601"
3366 disable altivec
3367 ;;
3368 603*|ppc603*|powerpc603*)
3369 cpuflags="-mcpu=603"
3370 disable altivec
3371 ;;
3372 604*|ppc604*|powerpc604*)
3373 cpuflags="-mcpu=604"
3374 disable altivec
3375 ;;
3376 g3|75*|ppc75*|powerpc75*)
3377 cpuflags="-mcpu=750"
3378 disable altivec
3379 ;;
3380 g4|745*|ppc745*|powerpc745*)
3381 cpuflags="-mcpu=7450"
3382 disable vsx
3383 ;;
3384 74*|ppc74*|powerpc74*)
3385 cpuflags="-mcpu=7400"
3386 disable vsx
3387 ;;
3388 g5|970|ppc970|powerpc970)
3389 cpuflags="-mcpu=970"
3390 disable vsx
3391 ;;
3392 power[3-6]*)
3393 cpuflags="-mcpu=$cpu"
3394 disable vsx
3395 ;;
3396 power[7-8]*)
3397 cpuflags="-mcpu=$cpu"
3398 enable ldbrx
3399 ;;
3400 cell)
3401 cpuflags="-mcpu=cell"
3402 enable ldbrx
3403 disable vsx
3404 ;;
3405 e500mc)
3406 cpuflags="-mcpu=e500mc"
3407 disable altivec
3408 ;;
3409 e500v2)
3410 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3411 disable altivec
3412 disable dcbzl
3413 ;;
3414 e500)
3415 cpuflags="-mcpu=8540 -mhard-float"
3416 disable altivec
3417 disable dcbzl
3418 ;;
3419 esac
3420
3421 elif enabled sparc; then
3422
3423 case $cpu in
3424 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3425 cpuflags="-mcpu=$cpu"
3426 ;;
3427 ultrasparc*|niagara[234])
3428 cpuflags="-mcpu=$cpu"
3429 ;;
3430 esac
3431
3432 elif enabled x86; then
3433
3434 case $cpu in
3435 i[345]86|pentium)
3436 cpuflags="-march=$cpu"
3437 disable i686
3438 disable mmx
3439 ;;
3440 # targets that do NOT support nopl and conditional mov (cmov)
3441 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3442 cpuflags="-march=$cpu"
3443 disable i686
3444 ;;
3445 # targets that do support nopl and conditional mov (cmov)
3446 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3447 cpuflags="-march=$cpu"
3448 enable i686
3449 enable fast_cmov
3450 ;;
3451 # targets that do support conditional mov but on which it's slow
3452 pentium4|pentium4m|prescott|nocona)
3453 cpuflags="-march=$cpu"
3454 enable i686
3455 disable fast_cmov
3456 ;;
3457 esac
3458
3459 fi
3460
3461 if [ "$cpu" != generic ]; then
3462 add_cflags $cpuflags
3463 add_asflags $cpuflags
3464 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
3465 fi
3466
3467 # compiler sanity check
3468 check_exec <<EOF
3469 int main(void){ return 0; }
3470 EOF
3471 if test "$?" != 0; then
3472 echo "$cc is unable to create an executable file."
3473 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3474 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3475 echo "Only do this if you know what cross compiling means."
3476 fi
3477 die "C compiler test failed."
3478 fi
3479
3480 add_cppflags -D_ISOC99_SOURCE
3481 check_cflags -std=c99
3482 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3483 #include <stdlib.h>
3484 EOF
3485 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3486 #include <stdlib.h>
3487 EOF
3488
3489 add_host_cppflags -D_ISOC99_SOURCE
3490 check_host_cflags -std=c99
3491 check_host_cflags -Wall
3492 check_host_cflags -O3
3493
3494 check_64bit(){
3495 arch32=$1
3496 arch64=$2
3497 expr=$3
3498 check_code cc "" "int test[2*($expr) - 1]" &&
3499 subarch=$arch64 || subarch=$arch32
3500 }
3501
3502 case "$arch" in
3503 aarch64|alpha|ia64)
3504 spic=$shared
3505 ;;
3506 mips)
3507 check_64bit mips mips64 '_MIPS_SIM > 1'
3508 spic=$shared
3509 ;;
3510 parisc)
3511 check_64bit parisc parisc64 'sizeof(void *) > 4'
3512 spic=$shared
3513 ;;
3514 ppc)
3515 check_64bit ppc ppc64 'sizeof(void *) > 4'
3516 spic=$shared
3517 ;;
3518 s390)
3519 check_64bit s390 s390x 'sizeof(void *) > 4'
3520 spic=$shared
3521 ;;
3522 sparc)
3523 check_64bit sparc sparc64 'sizeof(void *) > 4'
3524 spic=$shared
3525 ;;
3526 x86)
3527 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3528 if test "$subarch" = "x86_64"; then
3529 spic=$shared
3530 fi
3531 ;;
3532 esac
3533
3534 enable $subarch
3535 enabled spic && enable_weak pic
3536
3537 # OS specific
3538 case $target_os in
3539 aix)
3540 SHFLAGS=-shared
3541 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3542 enabled shared && add_ldflags -Wl,-brtl
3543 ;;
3544 android)
3545 disable symver
3546 enable section_data_rel_ro
3547 SLIB_INSTALL_NAME='$(SLIBNAME)'
3548 SLIB_INSTALL_LINKS=
3549 # soname not set on purpose
3550 SHFLAGS=-shared
3551 ;;
3552 haiku)
3553 prefix_default="/boot/common"
3554 network_extralibs="-lnetwork"
3555 host_libs=
3556 ;;
3557 sunos)
3558 SHFLAGS='-shared -Wl,-h,$$(@F)'
3559 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3560 network_extralibs="-lsocket -lnsl"
3561 # When using suncc to build, the Solaris linker will mark
3562 # an executable with each instruction set encountered by
3563 # the Solaris assembler. As our libraries contain their own
3564 # guards for processor-specific code, instead suppress
3565 # generation of the HWCAPS ELF section on Solaris x86 only.
3566 enabled_all suncc x86 &&
3567 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3568 add_ldflags -Wl,-M,mapfile
3569 nm_default='nm -P -g'
3570 ;;
3571 netbsd)
3572 disable symver
3573 oss_indev_extralibs="-lossaudio"
3574 oss_outdev_extralibs="-lossaudio"
3575 ;;
3576 openbsd|bitrig)
3577 disable symver
3578 SHFLAGS='-shared'
3579 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3580 SLIB_INSTALL_LINKS=
3581 oss_indev_extralibs="-lossaudio"
3582 oss_outdev_extralibs="-lossaudio"
3583 ;;
3584 dragonfly)
3585 disable symver
3586 ;;
3587 freebsd)
3588 ;;
3589 bsd/os)
3590 add_extralibs -lpoll -lgnugetopt
3591 ;;
3592 darwin)
3593 enabled ppc && add_asflags -force_cpusubtype_ALL
3594 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3595 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3596 add_ldflags -Wl,-dynamic,-search_paths_first
3597 SLIBSUF=".dylib"
3598 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3599 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3600 objformat="macho"
3601 enabled x86_64 && objformat="macho64"
3602 enabled_any pic shared ||
3603 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3604 ;;
3605 mingw32*)
3606 if test $target_os = "mingw32ce"; then
3607 disable network
3608 else
3609 target_os=mingw32
3610 fi
3611 LIBTARGET=i386
3612 if enabled x86_64; then
3613 LIBTARGET="i386:x86-64"
3614 elif enabled arm; then
3615 LIBTARGET=arm-wince
3616 fi
3617 check_ldflags -Wl,--nxcompat
3618 check_ldflags -Wl,--dynamicbase
3619 shlibdir_default="$bindir_default"
3620 SLIBPREF=""
3621 SLIBSUF=".dll"
3622 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3623 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3624 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3625 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3626 SLIB_INSTALL_LINKS=
3627 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3628 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3629 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3630 objformat="win32"
3631 dlltool="${cross_prefix}dlltool"
3632 ranlib=:
3633 enable dos_paths
3634 ;;
3635 win32|win64)
3636 disable symver
3637 if enabled shared; then
3638 # Link to the import library instead of the normal static library
3639 # for shared libs.
3640 LD_LIB='%.lib'
3641 # Cannot build both shared and static libs with MSVC or icl.
3642 disable static
3643 fi
3644 shlibdir_default="$bindir_default"
3645 SLIBPREF=""
3646 SLIBSUF=".dll"
3647 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3648 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3649 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3650 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3651 SLIB_INSTALL_LINKS=
3652 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3653 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3654 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3655 objformat="win32"
3656 ranlib=:
3657 enable dos_paths
3658 ;;
3659 cygwin*)
3660 target_os=cygwin
3661 shlibdir_default="$bindir_default"
3662 SLIBPREF="cyg"
3663 SLIBSUF=".dll"
3664 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3665 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3666 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3667 SLIB_INSTALL_LINKS=
3668 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3669 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3670 objformat="win32"
3671 enable dos_paths
3672 ;;
3673 *-dos|freedos|opendos)
3674 network_extralibs="-lsocket"
3675 objformat="coff"
3676 enable dos_paths
3677 add_cppflags -U__STRICT_ANSI__
3678 ;;
3679 linux)
3680 enable dv1394
3681 enable section_data_rel_ro
3682 ;;
3683 irix*)
3684 target_os=irix
3685 ranlib="echo ignoring ranlib"
3686 ;;
3687 os/2*)
3688 ln_s="cp -f"
3689 objformat="aout"
3690 add_cppflags -D_GNU_SOURCE
3691 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3692 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3693 LIBSUF="_s.a"
3694 SLIBPREF=""
3695 SLIBSUF=".dll"
3696 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3697 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3698 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3699 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3700 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3701 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3702 emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'
3703 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3704 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3705 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3706 enable dos_paths
3707 ;;
3708 gnu/kfreebsd)
3709 add_cppflags -D_BSD_SOURCE
3710 ;;
3711 gnu)
3712 ;;
3713 qnx)
3714 add_cppflags -D_QNX_SOURCE
3715 network_extralibs="-lsocket"
3716 ;;
3717 symbian)
3718 SLIBSUF=".dll"
3719 enable dos_paths
3720 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3721 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3722 add_ldflags -Wl,--target1-abs,--no-undefined \
3723 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3724 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3725 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3726 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3727 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3728 ;;
3729 osf1)
3730 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3731 ;;
3732 minix)
3733 ;;
3734 plan9)
3735 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3736 -D_REENTRANT_SOURCE \
3737 -D_RESEARCH_SOURCE \
3738 -DFD_SETSIZE=96 \
3739 -DHAVE_SOCK_OPTS
3740 add_compat strtod.o strtod=avpriv_strtod
3741 network_extralibs='-lbsd'
3742 exeobjs=compat/plan9/main.o
3743 cp_f='cp'
3744 ;;
3745 none)
3746 ;;
3747 *)
3748 die "Unknown OS '$target_os'."
3749 ;;
3750 esac
3751
3752 # determine libc flavour
3753
3754 probe_libc(){
3755 pfx=$1
3756 pfx_no_=${pfx%_}
3757 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3758 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
3759 eval ${pfx}libc_type=uclibc
3760 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3761 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
3762 eval ${pfx}libc_type=glibc
3763 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3764 # MinGW headers can be installed on Cygwin, so check for newlib first.
3765 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3766 eval ${pfx}libc_type=newlib
3767 add_${pfx}cppflags -U__STRICT_ANSI__
3768 # MinGW64 is backwards compatible with MinGW32, so check for it first.
3769 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
3770 eval ${pfx}libc_type=mingw64
3771 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3772 eval test \$${pfx_no_}cc_type = "gcc" &&
3773 add_${pfx}cppflags -D__printf__=__gnu_printf__
3774 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
3775 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
3776 eval ${pfx}libc_type=mingw32
3777 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
3778 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3779 die "ERROR: MinGW32 runtime version must be >= 3.15."
3780 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3781 eval test \$${pfx_no_}cc_type = "gcc" &&
3782 add_${pfx}cppflags -D__printf__=__gnu_printf__
3783 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
3784 eval ${pfx}libc_type=msvcrt
3785 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
3786 if [ "$pfx" = host_ ]; then
3787 add_host_cppflags -Dsnprintf=_snprintf
3788 else
3789 add_compat strtod.o strtod=avpriv_strtod
3790 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3791 _snprintf=avpriv_snprintf \
3792 vsnprintf=avpriv_vsnprintf
3793 fi
3794 fi
3795 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3796 # 0x601 by default unless something else is set by the user.
3797 # This can easily lead to us detecting functions only present
3798 # in such new versions and producing binaries requiring windows 7.0.
3799 # Therefore explicitly set the default to XP unless the user has
3800 # set something else on the command line.
3801 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
3802 # family. For these cases, configure is free to use any functions
3803 # found in the SDK headers by default. (Alternatively, we could force
3804 # _WIN32_WINNT to 0x0602 in that case.)
3805 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
3806 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }
3807 #ifdef WINAPI_FAMILY
3808 #include <winapifamily.h>
3809 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
3810 #error not desktop
3811 #endif
3812 #endif
3813 EOF
3814 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
3815 eval ${pfx}libc_type=klibc
3816 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3817 eval ${pfx}libc_type=bionic
3818 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
3819 eval ${pfx}libc_type=solaris
3820 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3821 else
3822 eval ${pfx}libc_type=default
3823 add_${pfx}cppflags -D_DEFAULT_SOURCE
3824 fi
3825 }
3826
3827 probe_libc
3828 test -n "$libc_type" && enable libc_$libc_type
3829 probe_libc host_
3830 test -n "$host_libc_type" && enable host_libc_$host_libc_type
3831
3832 case $libc_type in
3833 bionic)
3834 add_compat strtod.o strtod=avpriv_strtod
3835 ;;
3836 esac
3837
3838 # hacks for compiler/libc/os combinations
3839
3840 if enabled_all tms470 libc_glibc; then
3841 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3842 add_cppflags -D__USER_LABEL_PREFIX__=
3843 add_cppflags -D__builtin_memset=memset
3844 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3845 add_cflags -pds=48 # incompatible redefinition of macro
3846 fi
3847
3848 if enabled_all ccc libc_glibc; then
3849 add_ldflags -Wl,-z,now # calls to libots crash without this
3850 fi
3851
3852 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
3853 add_cppflags '-I\$(SRC_PATH)/compat/float'
3854
3855 esc(){
3856 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3857 }
3858
3859 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
3860
3861 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
3862
3863 set_default $PATHS_LIST
3864 set_default nm
3865
3866 # we need to build at least one lib type
3867 if ! enabled_any static shared; then
3868 cat <<EOF
3869 At least one library type must be built.
3870 Specify --enable-static to build the static libraries or --enable-shared to
3871 build the shared libraries as well. To only build the shared libraries specify
3872 --disable-static in addition to --enable-shared.
3873 EOF
3874 exit 1;
3875 fi
3876
3877 die_license_disabled() {
3878 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3879 }
3880
3881 die_license_disabled gpl libcdio
3882 die_license_disabled gpl libx264
3883 die_license_disabled gpl libx265
3884 die_license_disabled gpl libxavs
3885 die_license_disabled gpl libxvid
3886 die_license_disabled gpl x11grab
3887
3888 die_license_disabled nonfree libfaac
3889 die_license_disabled nonfree libfdk_aac
3890 die_license_disabled nonfree nvenc
3891 die_license_disabled nonfree openssl
3892
3893 die_license_disabled version3 libopencore_amrnb
3894 die_license_disabled version3 libopencore_amrwb
3895 die_license_disabled version3 libvo_aacenc
3896 die_license_disabled version3 libvo_amrwbenc
3897
3898 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3899
3900 disabled optimizations || check_cflags -fomit-frame-pointer
3901
3902 enable_weak_pic() {
3903 disabled pic && return
3904 enable pic
3905 add_cppflags -DPIC
3906 case "$target_os" in
3907 mingw*|cygwin*)
3908 ;;
3909 *)
3910 add_cflags -fPIC
3911 ;;
3912 esac
3913 add_asflags -fPIC
3914 }
3915
3916 enabled pic && enable_weak_pic
3917
3918 check_cc <<EOF || die "Symbol mangling check failed."
3919 int ff_extern;
3920 EOF
3921 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3922 extern_prefix=${sym%%ff_extern*}
3923
3924 check_cc <<EOF && enable_weak inline_asm
3925 void foo(void) { __asm__ volatile ("" ::); }
3926 EOF
3927
3928 _restrict=
3929 for restrict_keyword in restrict __restrict__ __restrict; do
3930 check_cc <<EOF && _restrict=$restrict_keyword && break
3931 void foo(char * $restrict_keyword p);
3932 EOF
3933 done
3934
3935 check_cc <<EOF && enable pragma_deprecated
3936 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
3937 EOF
3938
3939 check_cc <<EOF && enable attribute_packed
3940 struct { int x; } __attribute__((packed)) x;
3941 EOF
3942
3943 check_cc <<EOF && enable attribute_may_alias
3944 union { int x; } __attribute__((may_alias)) x;
3945 EOF
3946
3947 check_cc <<EOF || die "endian test failed"
3948 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3949 EOF
3950 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3951
3952 check_gas() {
3953 log "check_gas using '$as' as AS"
3954 # :vararg is used on aarch64, arm and ppc altivec
3955 check_as <<EOF || return 1
3956 .macro m n, y:vararg=0
3957 \n: .int \y
3958 .endm
3959 m x
3960 EOF
3961 # .altmacro is only used in arm asm
3962 ! enabled arm || check_as <<EOF || return 1
3963 .altmacro
3964 EOF
3965 enable gnu_as
3966 return 0
3967 }
3968
3969 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
3970 nogas=:
3971 enabled_any arm aarch64 && nogas=die
3972 enabled_all ppc altivec && nogas=warn
3973 as_noop=-v
3974
3975 case $as_type in
3976 arm*) gaspp_as_type=armasm; as_noop=-h ;;
3977 gcc) gaspp_as_type=gas ;;
3978 *) gaspp_as_type=$as_type ;;
3979 esac
3980
3981 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
3982
3983 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- $as $as_noop &&
3984 gas="gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- $as"
3985
3986 if ! check_gas ; then
3987 as=${gas:=$as}
3988 check_gas || \
3989 $nogas "GNU assembler not found, install/update gas-preprocessor"
3990 fi
3991
3992 check_as <<EOF && enable as_func
3993 .func test
3994 .endfunc
3995 EOF
3996 fi
3997
3998 check_inline_asm inline_asm_labels '"1:\n"'
3999
4000 if enabled aarch64; then
4001 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
4002 # internal assembler in clang 3.3 does not support this instruction
4003 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
4004 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
4005
4006 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4007
4008 elif enabled alpha; then
4009
4010 check_cflags -mieee
4011
4012 elif enabled arm; then
4013
4014 enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb
4015 check_cpp_condition stddef.h "defined __thumb__" && enable_weak thumb
4016 enabled thumb && check_cflags -mthumb || check_cflags -marm
4017
4018 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4019 enable vfp_args
4020 elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
4021 enable vfp_args
4022 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
4023 case "${cross_prefix:-$cc}" in
4024 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4025 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4026 __asm__ (".eabi_attribute 28, 1");
4027 int main(void) { return 0; }
4028 EOF
4029 esac
4030 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4031 fi
4032
4033 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4034 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4035 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4036 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4037 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4038 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4039
4040 [ $target_os = linux ] || [ $target_os = android ] ||
4041 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4042 $ARCH_EXT_LIST_ARM
4043
4044 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4045
4046 check_as <<EOF && enable as_dn_directive
4047 ra .dn d0.i16
4048 .unreq ra
4049 EOF
4050
4051 # llvm's integrated assembler supports .object_arch from llvm 3.5
4052 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
4053 .object_arch armv4
4054 EOF
4055
4056 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4057
4058 elif enabled mips; then
4059
4060 check_inline_asm loongson '"dmult.g $1, $2, $3"'
4061
4062 elif enabled parisc; then
4063
4064 if enabled gcc; then
4065 case $($cc -dumpversion) in
4066 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
4067 esac
4068 fi
4069
4070 elif enabled ppc; then
4071
4072 enable local_aligned_8 local_aligned_16
4073
4074 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4075 check_inline_asm ibm_asm '"add 0, 0, 0"'
4076 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4077 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4078
4079 # AltiVec flags: The FSF version of GCC differs from the Apple version
4080 if enabled altivec; then
4081 check_cflags -maltivec -mabi=altivec &&
4082 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4083 check_cflags -faltivec
4084
4085 # check if our compiler supports Motorola AltiVec C API
4086 check_cc <<EOF || disable altivec
4087 $inc_altivec_h
4088 int main(void) {
4089 vector signed int v1 = (vector signed int) { 0 };
4090 vector signed int v2 = (vector signed int) { 1 };
4091 v1 = vec_add(v1, v2);
4092 return 0;
4093 }
4094 EOF
4095
4096 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4097 fi
4098
4099 if enabled vsx; then
4100 check_cflags -mvsx &&
4101 check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx
4102 fi
4103
4104 if enabled power8; then
4105 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
4106 fi
4107
4108 elif enabled x86; then
4109
4110 check_builtin rdtsc intrin.h "__rdtsc()"
4111 check_builtin mm_empty mmintrin.h "_mm_empty()"
4112
4113 enable local_aligned_8 local_aligned_16
4114
4115 # check whether EBP is available on x86
4116 # As 'i' is stored on the stack, this program will crash
4117 # if the base pointer is used to access it because the
4118 # base pointer is cleared in the inline assembly code.
4119 check_exec_crash <<EOF && enable ebp_available
4120 volatile int i=0;
4121 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4122 return i;
4123 EOF
4124
4125 # check whether EBX is available on x86
4126 check_inline_asm ebx_available '""::"b"(0)' &&
4127 check_inline_asm ebx_available '"":::"%ebx"'
4128
4129 # check whether xmm clobbers are supported
4130 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4131
4132 # check whether binutils is new enough to compile SSSE3/MMXEXT
4133 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4134 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4135
4136 if ! disabled_any asm mmx yasm; then
4137 if check_cmd $yasmexe --version; then
4138 enabled x86_64 && yasm_extra="-m amd64"
4139 yasm_debug="-g dwarf2"
4140 elif check_cmd nasm -v; then
4141 yasmexe=nasm
4142 yasm_debug="-g -F dwarf"
4143 enabled x86_64 && test "$objformat" = elf && objformat=elf64
4144 fi
4145
4146 YASMFLAGS="-f $objformat $yasm_extra"
4147 enabled pic && append YASMFLAGS "-DPIC"
4148 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4149 case "$objformat" in
4150 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4151 esac
4152
4153 check_yasm "movbe ecx, [5]" && enable yasm ||
4154 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4155 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
4156 check_yasm "vfmadd132ps ymm0, ymm1, ymm2" || disable fma3_external
4157 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4158 check_yasm "CPU amdnop" || disable cpunop
4159 fi
4160
4161 case "$cpu" in
4162 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4163 disable fast_clz
4164 ;;
4165 esac
4166
4167 fi
4168
4169 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
4170
4171 check_ldflags -Wl,--as-needed
4172
4173 if check_func dlopen; then
4174 ldl=
4175 elif check_func dlopen -ldl; then
4176 ldl=-ldl
4177 fi
4178
4179 if ! disabled network; then
4180 check_func getaddrinfo $network_extralibs
4181 check_func getservbyport $network_extralibs
4182 check_func inet_aton $network_extralibs
4183
4184 check_type netdb.h "struct addrinfo"
4185 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4186 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4187 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4188 check_type poll.h "struct pollfd"
4189 check_type netinet/sctp.h "struct sctp_event_subscribe"
4190 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4191 check_type netinet/in.h "struct sockaddr_in6"
4192 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4193 check_type "sys/types.h sys/socket.h" socklen_t
4194
4195 # Prefer arpa/inet.h over winsock2
4196 if check_header arpa/inet.h ; then
4197 check_func closesocket
4198 elif check_header winsock2.h ; then
4199 check_func_headers winsock2.h closesocket -lws2 &&
4200 network_extralibs="-lws2" ||
4201 { check_func_headers winsock2.h closesocket -lws2_32 &&
4202 network_extralibs="-lws2_32"; } || disable winsock2_h network
4203 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4204
4205 check_type ws2tcpip.h socklen_t
4206 check_type ws2tcpip.h "struct addrinfo"
4207 check_type ws2tcpip.h "struct group_source_req"
4208 check_type ws2tcpip.h "struct ip_mreq_source"
4209 check_type ws2tcpip.h "struct ipv6_mreq"
4210 check_type winsock2.h "struct pollfd"
4211 check_struct winsock2.h "struct sockaddr" sa_len
4212 check_type ws2tcpip.h "struct sockaddr_in6"
4213 check_type ws2tcpip.h "struct sockaddr_storage"
4214 else
4215 disable network
4216 fi
4217 fi
4218
4219 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4220 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4221 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4222 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4223
4224 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4225 check_func ${malloc_prefix}memalign && enable memalign
4226 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4227
4228 check_cpp_condition unistd.h "defined(_POSIX_MONOTONIC_CLOCK)" &&
4229 check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
4230
4231 check_func fcntl
4232 check_func fork
4233 check_func gethrtime
4234 check_func getopt
4235 check_func getrusage
4236 check_func gettimeofday
4237 check_func gmtime_r
4238 check_func isatty
4239 check_func localtime_r
4240 check_func mach_absolute_time
4241 check_func mkstemp
4242 check_func mmap
4243 check_func mprotect
4244 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4245 check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt; }
4246 check_func sched_getaffinity
4247 check_func setrlimit
4248 check_func strerror_r
4249 check_func sysconf
4250 check_func sysctl
4251 check_func usleep
4252
4253 check_func_headers io.h setmode
4254 check_func_headers stdlib.h getenv
4255
4256 check_func_headers windows.h CoTaskMemFree -lole32
4257 check_func_headers windows.h GetProcessAffinityMask
4258 check_func_headers windows.h GetProcessTimes
4259 check_func_headers windows.h GetSystemTimeAsFileTime
4260 check_func_headers windows.h LoadLibrary
4261 check_func_headers windows.h MapViewOfFile
4262 check_func_headers windows.h SetConsoleTextAttribute
4263 check_func_headers windows.h Sleep
4264 check_func_headers windows.h VirtualAlloc
4265 check_struct windows.h "CONDITION_VARIABLE" Ptr
4266
4267 check_header direct.h
4268 check_header dlfcn.h
4269 check_header d3d11.h
4270 check_header dxva.h
4271 check_header dxva2api.h
4272 check_header io.h
4273 check_header mach/mach_time.h
4274 check_header malloc.h
4275 check_header poll.h
4276 check_header sys/mman.h
4277 check_header sys/param.h
4278 check_header sys/resource.h
4279 check_header sys/select.h
4280 check_header sys/time.h
4281 check_header sys/un.h
4282 check_header unistd.h
4283 check_header valgrind/valgrind.h
4284 check_header vdpau/vdpau.h
4285 check_header vdpau/vdpau_x11.h
4286 check_header VideoDecodeAcceleration/VDADecoder.h
4287 check_header windows.h
4288 check_header X11/extensions/XvMClib.h
4289
4290 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4291 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4292 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4293
4294 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4295
4296 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
4297 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
4298 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
4299
4300 if ! disabled w32threads && ! enabled pthreads; then
4301 check_func_headers "windows.h process.h" _beginthreadex &&
4302 enable w32threads || disable w32threads
4303 fi
4304
4305 # check for some common methods of building with pthread support
4306 # do this before the optional library checks as some of them require pthreads
4307 if ! disabled pthreads && ! enabled w32threads; then
4308 enable pthreads
4309 if check_func pthread_join -pthread; then
4310 add_cflags -pthread
4311 add_extralibs -pthread
4312 elif check_func pthread_join -pthreads; then
4313 add_cflags -pthreads
4314 add_extralibs -pthreads
4315 elif check_func pthread_join -lpthreadGC2; then
4316 add_extralibs -lpthreadGC2
4317 elif check_lib pthread.h pthread_join -lpthread; then
4318 :
4319 elif ! check_func pthread_join; then
4320 disable pthreads
4321 fi
4322 fi
4323
4324 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4325 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4326
4327 check_lib math.h sin -lm && LIBM="-lm"
4328 enabled vaapi && require vaapi va/va.h vaInitialize -lva
4329
4330 atan2f_args=2
4331 ldexpf_args=2
4332 powf_args=2
4333
4334 for func in $MATH_FUNCS; do
4335 eval check_mathfunc $func \${${func}_args:-1}
4336 done
4337
4338 # these are off by default, so fail if requested and not available
4339 enabled avisynth && { check_lib2 "avisynth/avisynth_c.h windows.h" LoadLibrary ||
4340 check_lib2 "avxsynth/avxsynth_c.h dlfcn.h" dlopen -ldl ||
4341 die "ERROR: LoadLibrary/dlopen not found, or avisynth header not found"; }
4342 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4343 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4344 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
4345 enabled libdcadec && require libdcadec libdcadec/dca_context.h dcadec_context_create -ldcadec
4346 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4347 enabled libfdk_aac && require_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen
4348 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4349 enabled libfreetype && require_pkg_config freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType
4350 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4351 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4352 done || die "ERROR: libgsm not found"; }
4353 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4354 enabled libmfx && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit
4355 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4356 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4357 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4358 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
4359 enabled libopenh264 && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion
4360 enabled libopenjpeg && { { check_header openjpeg.h && check_lib2 openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC; } ||
4361 { require_pkg_config libopenjpeg1 openjpeg.h opj_version -DOPJ_STATIC; } }
4362 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4363 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4364 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4365 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4366 enabled libsnappy && require snappy snappy-c.h snappy_compress -lsnappy
4367 enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
4368 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4369 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame
4370 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4371 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4372 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4373 enabled libvpx && require_pkg_config "vpx >= 1.3.0" vpx/vpx_codec.h vpx_codec_version && {
4374 enabled libvpx_vp8_decoder && {
4375 check_pkg_config vpx "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
4376 disable libvpx_vp8_decoder;
4377 }
4378 enabled libvpx_vp8_encoder && {
4379 check_pkg_config vpx "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
4380 disable libvpx_vp8_encoder;
4381 }
4382 enabled libvpx_vp9_decoder && {
4383 check_pkg_config vpx "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
4384 disable libvpx_vp9_decoder;
4385 }
4386 enabled libvpx_vp9_encoder && {
4387 check_pkg_config vpx "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
4388 disable libvpx_vp9_encoder;
4389 }
4390 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then