Remove avserver.
[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
90 Licensing options:
91 --enable-gpl allow use of GPL code, the resulting libs
92 and binaries will be under GPL [no]
93 --enable-version3 upgrade (L)GPL to version 3 [no]
94 --enable-nonfree allow use of nonfree code, the resulting libs
95 and binaries will be unredistributable [no]
96
97 Configuration options:
98 --disable-static do not build static libraries [no]
99 --enable-shared build shared libraries [no]
100 --enable-small optimize for size instead of speed
101 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
102 --enable-gray enable full grayscale support (slower color)
103 --disable-swscale-alpha disable alpha channel support in swscale
104 --disable-all disable building components, libraries and programs
105
106 Program options:
107 --disable-programs do not build command line programs
108 --disable-avconv disable avconv build
109 --disable-avplay disable avplay build
110 --disable-avprobe disable avprobe build
111 --disable-avserver deprecated, does nothing
112
113 Component options:
114 --disable-doc do not build documentation
115 --disable-avdevice disable libavdevice build
116 --disable-avcodec disable libavcodec build
117 --disable-avformat disable libavformat build
118 --disable-avutil disable libavutil build
119 --disable-swscale disable libswscale build
120 --disable-avfilter disable video filter support [no]
121 --disable-avresample disable libavresample build [no]
122 --disable-pthreads disable pthreads [auto]
123 --disable-w32threads disable Win32 threads [auto]
124 --disable-network disable network support [no]
125 --disable-dct disable DCT code
126 --disable-error-resilience disable error resilience code
127 --disable-lsp disable LSP code
128 --disable-lzo disable LZO decoder code
129 --disable-mdct disable MDCT code
130 --disable-rdft disable RDFT code
131 --disable-fft disable FFT code
132
133 Hardware accelerators:
134 --enable-dxva2 enable DXVA2 code
135 --enable-vaapi enable VAAPI code
136 --enable-vda enable VDA code
137 --enable-vdpau enable VDPAU code
138
139 Individual component options:
140 --disable-everything disable all components listed below
141 --disable-encoder=NAME disable encoder NAME
142 --enable-encoder=NAME enable encoder NAME
143 --disable-encoders disable all encoders
144 --disable-decoder=NAME disable decoder NAME
145 --enable-decoder=NAME enable decoder NAME
146 --disable-decoders disable all decoders
147 --disable-hwaccel=NAME disable hwaccel NAME
148 --enable-hwaccel=NAME enable hwaccel NAME
149 --disable-hwaccels disable all hwaccels
150 --disable-muxer=NAME disable muxer NAME
151 --enable-muxer=NAME enable muxer NAME
152 --disable-muxers disable all muxers
153 --disable-demuxer=NAME disable demuxer NAME
154 --enable-demuxer=NAME enable demuxer NAME
155 --disable-demuxers disable all demuxers
156 --enable-parser=NAME enable parser NAME
157 --disable-parser=NAME disable parser NAME
158 --disable-parsers disable all parsers
159 --enable-bsf=NAME enable bitstream filter NAME
160 --disable-bsf=NAME disable bitstream filter NAME
161 --disable-bsfs disable all bitstream filters
162 --enable-protocol=NAME enable protocol NAME
163 --disable-protocol=NAME disable protocol NAME
164 --disable-protocols disable all protocols
165 --enable-indev=NAME enable input device NAME
166 --disable-indev=NAME disable input device NAME
167 --disable-indevs disable input devices
168 --enable-outdev=NAME enable output device NAME
169 --disable-outdev=NAME disable output device NAME
170 --disable-outdevs disable output devices
171 --disable-devices disable all devices
172 --enable-filter=NAME enable filter NAME
173 --disable-filter=NAME disable filter NAME
174 --disable-filters disable all filters
175
176 External library support:
177 --enable-avisynth enable reading of AviSynth script files [no]
178 --enable-bzlib enable bzlib [autodetect]
179 --enable-frei0r enable frei0r video filtering
180 --enable-gnutls enable gnutls [no]
181 --enable-libbs2b enable bs2b DSP library [no]
182 --enable-libcdio enable audio CD grabbing with libcdio
183 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
184 and libraw1394 [no]
185 --enable-libfaac enable AAC encoding via libfaac [no]
186 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
187 --enable-libfreetype enable libfreetype [no]
188 --enable-libgsm enable GSM de/encoding via libgsm [no]
189 --enable-libilbc enable iLBC de/encoding via libilbc [no]
190 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
191 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
192 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
193 --enable-libopencv enable video filtering via libopencv [no]
194 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
195 --enable-libopus enable Opus de/encoding via libopus [no]
196 --enable-libpulse enable Pulseaudio input via libpulse [no]
197 --enable-librtmp enable RTMP[E] support via librtmp [no]
198 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
199 --enable-libspeex enable Speex de/encoding via libspeex [no]
200 --enable-libtheora enable Theora encoding via libtheora [no]
201 --enable-libtwolame enable MP2 encoding via libtwolame [no]
202 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
203 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
204 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
205 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
206 --enable-libwavpack enable wavpack encoding via libwavpack [no]
207 --enable-libwebp enable WebP encoding via libwebp [no]
208 --enable-libx264 enable H.264 encoding via x264 [no]
209 --enable-libx265 enable HEVC encoding via x265 [no]
210 --enable-libxavs enable AVS encoding via xavs [no]
211 --enable-libxvid enable Xvid encoding via xvidcore,
212 native MPEG-4/Xvid encoder exists [no]
213 --enable-openssl enable openssl [no]
214 --enable-x11grab enable X11 grabbing [no]
215 --enable-zlib enable zlib [autodetect]
216
217 Toolchain options:
218 --arch=ARCH select architecture [$arch]
219 --cpu=CPU select the minimum required CPU (affects
220 instruction selection, may crash on older CPUs)
221 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
222 --enable-cross-compile assume a cross-compiler is used
223 --sysroot=PATH root of cross-build tree
224 --sysinclude=PATH location of cross-build system headers
225 --target-os=OS compiler targets OS [$target_os]
226 --target-exec=CMD command to run executables on target
227 --target-path=DIR path to view of build directory on target
228 --target-samples=DIR path to samples directory on target
229 --toolchain=NAME set tool defaults according to NAME
230 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
231 --nm=NM use nm tool
232 --ar=AR use archive tool AR [$ar_default]
233 --as=AS use assembler AS [$as_default]
234 --cc=CC use C compiler CC [$cc_default]
235 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
236 --ld=LD use linker LD
237 --pkg-config=PKGCONF use pkg-config PKGCONF [$pkg_config_default]
238 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
239 --host-cc=HOSTCC use host C compiler HOSTCC
240 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
241 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
242 --host-ld=HOSTLD use host linker HOSTLD
243 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
244 --host-libs=HLIBS use libs HLIBS when linking for host
245 --host-os=OS compiler host OS [$target_os]
246 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
247 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
248 --extra-libs=ELIBS add ELIBS [$ELIBS]
249 --extra-version=STRING version string suffix []
250 --optflags=OPTFLAGS override optimization-related compiler flags
251 --build-suffix=SUFFIX library name suffix []
252 --enable-pic build position-independent code
253 --enable-thumb compile for Thumb instruction set
254 --enable-lto use link-time optimization
255
256 Advanced options (experts only):
257 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
258 --disable-symver disable symbol versioning
259 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
260 --disable-safe-bitstream-reader
261 disable buffer boundary checking in bitreaders
262 (faster, but may crash)
263 --enable-memalign-hack emulate memalign, interferes with memory debuggers
264 --enable-sram allow use of on-chip SRAM
265
266 Optimization options (experts only):
267 --disable-asm disable all assembler optimizations
268 --disable-altivec disable AltiVec optimizations
269 --disable-amd3dnow disable 3DNow! optimizations
270 --disable-amd3dnowext disable 3DNow! extended optimizations
271 --disable-mmx disable MMX optimizations
272 --disable-mmxext disable MMXEXT optimizations
273 --disable-sse disable SSE optimizations
274 --disable-sse2 disable SSE2 optimizations
275 --disable-sse3 disable SSE3 optimizations
276 --disable-ssse3 disable SSSE3 optimizations
277 --disable-sse4 disable SSE4 optimizations
278 --disable-sse42 disable SSE4.2 optimizations
279 --disable-avx disable AVX optimizations
280 --disable-xop disable XOP optimizations
281 --disable-fma3 disable FMA3 optimizations
282 --disable-fma4 disable FMA4 optimizations
283 --disable-avx2 disable AVX2 optimizations
284 --disable-armv5te disable armv5te optimizations
285 --disable-armv6 disable armv6 optimizations
286 --disable-armv6t2 disable armv6t2 optimizations
287 --disable-vfp disable VFP optimizations
288 --disable-neon disable NEON optimizations
289 --disable-inline-asm disable use of inline assembler
290 --disable-yasm disable use of yasm assembler
291
292 Developer options (useful when working on Libav itself):
293 --disable-debug disable debugging symbols
294 --enable-debug=LEVEL set the debug level [$debuglevel]
295 --disable-optimizations disable compiler optimizations
296 --enable-extra-warnings enable more compiler warnings
297 --samples=PATH location of test samples for FATE, if not set use
298 \$LIBAV_SAMPLES at make invocation time.
299 --enable-neon-clobber-test check NEON registers for clobbering (should be
300 used only for debugging purposes)
301 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
302 should be used only for debugging purposes)
303 --enable-random randomly enable/disable components
304 --disable-random
305 --enable-random=LIST randomly enable/disable specific components or
306 --disable-random=LIST component groups. LIST is a comma-separated list
307 of NAME[:PROB] entries where NAME is a component
308 (group) and PROB the probability associated with
309 NAME (default 0.5).
310 --random-seed=VALUE seed value for --enable/disable-random
311
312 NOTE: Object files are built at the place where configure is launched.
313 EOF
314 exit 0
315 }
316
317 quotes='""'
318
319 log(){
320 echo "$@" >> $logfile
321 }
322
323 log_file(){
324 log BEGIN $1
325 pr -n -t $1 >> $logfile
326 log END $1
327 }
328
329 echolog(){
330 log "$@"
331 echo "$@"
332 }
333
334 warn(){
335 log "WARNING: $*"
336 WARNINGS="${WARNINGS}WARNING: $*\n"
337 }
338
339 die(){
340 echolog "$@"
341 cat <<EOF
342
343 If you think configure made a mistake, make sure you are using the latest
344 version from Git. If the latest version fails, report the problem to the
345 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
346 EOF
347 if disabled logging; then
348 cat <<EOF
349 Rerun configure with logging enabled (do not use --disable-logging), and
350 include the log this produces with your report.
351 EOF
352 else
353 cat <<EOF
354 Include the log file "$logfile" produced by configure as this will help
355 solving the problem.
356 EOF
357 fi
358 exit 1
359 }
360
361 # Avoid locale weirdness, besides we really just want to translate ASCII.
362 toupper(){
363 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
364 }
365
366 tolower(){
367 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
368 }
369
370 c_escape(){
371 echo "$*" | sed 's/["\\]/\\\0/g'
372 }
373
374 sh_quote(){
375 v=$(echo "$1" | sed "s/'/'\\\\''/g")
376 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
377 echo "$v"
378 }
379
380 cleanws(){
381 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
382 }
383
384 filter(){
385 pat=$1
386 shift
387 for v; do
388 eval "case $v in $pat) echo $v ;; esac"
389 done
390 }
391
392 filter_out(){
393 pat=$1
394 shift
395 for v; do
396 eval "case $v in $pat) ;; *) echo $v ;; esac"
397 done
398 }
399
400 map(){
401 m=$1
402 shift
403 for v; do eval $m; done
404 }
405
406 add_suffix(){
407 suffix=$1
408 shift
409 for v; do echo ${v}${suffix}; done
410 }
411
412 set_all(){
413 value=$1
414 shift
415 for var in $*; do
416 eval $var=$value
417 done
418 }
419
420 set_weak(){
421 value=$1
422 shift
423 for var; do
424 eval : \${$var:=$value}
425 done
426 }
427
428 sanitize_var_name(){
429 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
430 }
431
432 set_safe(){
433 var=$1
434 shift
435 eval $(sanitize_var_name "$var")='$*'
436 }
437
438 get_safe(){
439 eval echo \$$(sanitize_var_name "$1")
440 }
441
442 pushvar(){
443 for pvar in $*; do
444 eval level=\${${pvar}_level:=0}
445 eval ${pvar}_${level}="\$$pvar"
446 eval ${pvar}_level=$(($level+1))
447 done
448 }
449
450 popvar(){
451 for pvar in $*; do
452 eval level=\${${pvar}_level:-0}
453 test $level = 0 && continue
454 eval level=$(($level-1))
455 eval $pvar="\${${pvar}_${level}}"
456 eval ${pvar}_level=$level
457 eval unset ${pvar}_${level}
458 done
459 }
460
461 enable(){
462 set_all yes $*
463 }
464
465 disable(){
466 set_all no $*
467 }
468
469 enable_weak(){
470 set_weak yes $*
471 }
472
473 disable_weak(){
474 set_weak no $*
475 }
476
477 enable_safe(){
478 for var; do
479 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
480 done
481 }
482
483 disable_safe(){
484 for var; do
485 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
486 done
487 }
488
489 do_enable_deep(){
490 for var; do
491 enabled $var && continue
492 eval sel="\$${var}_select"
493 eval sgs="\$${var}_suggest"
494 pushvar var sgs
495 enable_deep $sel
496 popvar sgs
497 enable_deep_weak $sgs
498 popvar var
499 done
500 }
501
502 enable_deep(){
503 do_enable_deep $*
504 enable $*
505 }
506
507 enable_deep_weak(){
508 for var; do
509 disabled $var && continue
510 pushvar var
511 do_enable_deep $var
512 popvar var
513 enable_weak $var
514 done
515 }
516
517 enabled(){
518 test "${1#!}" = "$1" && op== || op=!=
519 eval test "x\$${1#!}" $op "xyes"
520 }
521
522 disabled(){
523 test "${1#!}" = "$1" && op== || op=!=
524 eval test "x\$${1#!}" $op "xno"
525 }
526
527 enabled_all(){
528 for opt; do
529 enabled $opt || return 1
530 done
531 }
532
533 disabled_all(){
534 for opt; do
535 disabled $opt || return 1
536 done
537 }
538
539 enabled_any(){
540 for opt; do
541 enabled $opt && return 0
542 done
543 }
544
545 disabled_any(){
546 for opt; do
547 disabled $opt && return 0
548 done
549 return 1
550 }
551
552 set_default(){
553 for opt; do
554 eval : \${$opt:=\$${opt}_default}
555 done
556 }
557
558 is_in(){
559 value=$1
560 shift
561 for var in $*; do
562 [ $var = $value ] && return 0
563 done
564 return 1
565 }
566
567 do_check_deps(){
568 for cfg; do
569 cfg="${cfg#!}"
570 enabled ${cfg}_checking && die "Circular dependency for $cfg."
571 disabled ${cfg}_checking && continue
572 enable ${cfg}_checking
573 append allopts $cfg
574
575 eval dep_all="\$${cfg}_deps"
576 eval dep_any="\$${cfg}_deps_any"
577 eval dep_sel="\$${cfg}_select"
578 eval dep_sgs="\$${cfg}_suggest"
579 eval dep_ifa="\$${cfg}_if"
580 eval dep_ifn="\$${cfg}_if_any"
581
582 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
583 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
584 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
585
586 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
587 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
588 enabled_all $dep_all || disable $cfg
589 enabled_any $dep_any || disable $cfg
590 disabled_any $dep_sel && disable $cfg
591
592 if enabled $cfg; then
593 enable_deep $dep_sel
594 enable_deep_weak $dep_sgs
595 fi
596
597 disable ${cfg}_checking
598 done
599 }
600
601 check_deps(){
602 unset allopts
603
604 do_check_deps "$@"
605
606 for cfg in $allopts; do
607 enabled $cfg || continue
608 eval dep_extralibs="\$${cfg}_extralibs"
609 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
610 done
611 }
612
613 print_config(){
614 pfx=$1
615 files=$2
616 shift 2
617 map 'eval echo "$v \${$v:-no}"' "$@" |
618 awk "BEGIN { split(\"$files\", files) }
619 {
620 c = \"$pfx\" toupper(\$1);
621 v = \$2;
622 sub(/yes/, 1, v);
623 sub(/no/, 0, v);
624 for (f in files) {
625 file = files[f];
626 if (file ~ /\\.h\$/) {
627 printf(\"#define %s %d\\n\", c, v) >>file;
628 } else if (file ~ /\\.asm\$/) {
629 printf(\"%%define %s %d\\n\", c, v) >>file;
630 } else if (file ~ /\\.mak\$/) {
631 n = -v ? \"\" : \"!\";
632 printf(\"%s%s=yes\\n\", n, c) >>file;
633 }
634 }
635 }"
636 }
637
638 print_enabled(){
639 suf=$1
640 shift
641 for v; do
642 enabled $v && printf "%s\n" ${v%$suf};
643 done
644 }
645
646 append(){
647 var=$1
648 shift
649 eval "$var=\"\$$var $*\""
650 }
651
652 prepend(){
653 var=$1
654 shift
655 eval "$var=\"$* \$$var\""
656 }
657
658 unique(){
659 var=$1
660 uniq_list=""
661 for tok in $(eval echo \$$var); do
662 uniq_list="$(filter_out $tok $uniq_list) $tok"
663 done
664 eval "$var=\"${uniq_list}\""
665 }
666
667 add_cppflags(){
668 append CPPFLAGS "$@"
669 }
670
671 add_cflags(){
672 append CFLAGS $($cflags_filter "$@")
673 }
674
675 add_asflags(){
676 append ASFLAGS $($asflags_filter "$@")
677 }
678
679 add_ldflags(){
680 append LDFLAGS $($ldflags_filter "$@")
681 }
682
683 add_stripflags(){
684 append STRIPFLAGS "$@"
685 }
686
687 add_extralibs(){
688 prepend extralibs $($ldflags_filter "$@")
689 }
690
691 add_host_cppflags(){
692 append host_cppflags "$@"
693 }
694
695 add_host_cflags(){
696 append host_cflags $($host_cflags_filter "$@")
697 }
698
699 add_host_ldflags(){
700 append host_ldflags $($host_ldflags_filter "$@")
701 }
702
703 add_compat(){
704 append compat_objs $1
705 shift
706 map 'add_cppflags -D$v' "$@"
707 }
708
709 check_cmd(){
710 log "$@"
711 "$@" >> $logfile 2>&1
712 }
713
714 cc_o(){
715 eval printf '%s\\n' $CC_O
716 }
717
718 cc_e(){
719 eval printf '%s\\n' $CC_E
720 }
721
722 check_cc(){
723 log check_cc "$@"
724 cat > $TMPC
725 log_file $TMPC
726 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
727 }
728
729 check_cpp(){
730 log check_cpp "$@"
731 cat > $TMPC
732 log_file $TMPC
733 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
734 }
735
736 as_o(){
737 eval printf '%s\\n' $AS_O
738 }
739
740 check_as(){
741 log check_as "$@"
742 cat > $TMPS
743 log_file $TMPS
744 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
745 }
746
747 check_inline_asm(){
748 log check_inline_asm "$@"
749 name="$1"
750 code="$2"
751 shift 2
752 disable $name
753 check_cc "$@" <<EOF && enable $name
754 void foo(void){ __asm__ volatile($code); }
755 EOF
756 }
757
758 check_insn(){
759 log check_insn "$@"
760 check_inline_asm ${1}_inline "\"$2\""
761 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
762 }
763
764 check_yasm(){
765 log check_yasm "$@"
766 echo "$1" > $TMPS
767 log_file $TMPS
768 shift 1
769 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
770 }
771
772 ld_o(){
773 eval printf '%s\\n' $LD_O
774 }
775
776 check_ld(){
777 log check_ld "$@"
778 flags=$(filter_out '-l*' "$@")
779 libs=$(filter '-l*' "$@")
780 check_cc $($cflags_filter $flags) || return
781 flags=$($ldflags_filter $flags)
782 libs=$($ldflags_filter $libs)
783 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
784 }
785
786 print_include(){
787 hdr=$1
788 test "${hdr%.h}" = "${hdr}" &&
789 echo "#include $hdr" ||
790 echo "#include <$hdr>"
791 }
792
793 check_code(){
794 log check_code "$@"
795 check=$1
796 headers=$2
797 code=$3
798 shift 3
799 {
800 for hdr in $headers; do
801 print_include $hdr
802 done
803 echo "int main(void) { $code; return 0; }"
804 } | check_$check "$@"
805 }
806
807 check_cppflags(){
808 log check_cppflags "$@"
809 check_cc "$@" <<EOF && append CPPFLAGS "$@"
810 int x;
811 EOF
812 }
813
814 test_cflags(){
815 log test_cflags "$@"
816 set -- $($cflags_filter "$@")
817 check_cc "$@" <<EOF
818 int x;
819 EOF
820 }
821
822 check_cflags(){
823 log check_cflags "$@"
824 test_cflags "$@" && add_cflags "$@"
825 }
826
827 test_ldflags(){
828 log test_ldflags "$@"
829 check_ld "$@" <<EOF
830 int main(void){ return 0; }
831 EOF
832 }
833
834 check_ldflags(){
835 log check_ldflags "$@"
836 test_ldflags "$@" && add_ldflags "$@"
837 }
838
839 test_stripflags(){
840 log test_stripflags "$@"
841 # call check_cc to get a fresh TMPO
842 check_cc <<EOF
843 int main(void) { return 0; }
844 EOF
845 check_cmd $strip $STRIPFLAGS "$@" $TMPO
846 }
847
848 check_stripflags(){
849 log check_stripflags "$@"
850 test_stripflags "$@" && add_stripflags "$@"
851 }
852
853 check_header(){
854 log check_header "$@"
855 header=$1
856 shift
857 disable_safe $header
858 check_cpp "$@" <<EOF && enable_safe $header
859 #include <$header>
860 int x;
861 EOF
862 }
863
864 check_func(){
865 log check_func "$@"
866 func=$1
867 shift
868 disable $func
869 check_ld "$@" <<EOF && enable $func
870 extern int $func();
871 int main(void){ $func(); }
872 EOF
873 }
874
875 check_mathfunc(){
876 log check_mathfunc "$@"
877 func=$1
878 narg=$2
879 shift 2
880 test $narg = 2 && args="f, g" || args="f"
881 disable $func
882 check_ld "$@" <<EOF && enable $func
883 #include <math.h>
884 float foo(float f, float g) { return $func($args); }
885 int main(void){ return 0; }
886 EOF
887 }
888
889 check_func_headers(){
890 log check_func_headers "$@"
891 headers=$1
892 funcs=$2
893 shift 2
894 {
895 for hdr in $headers; do
896 print_include $hdr
897 done
898 for func in $funcs; do
899 echo "long check_$func(void) { return (long) $func; }"
900 done
901 echo "int main(void) { return 0; }"
902 } | check_ld "$@" && enable $funcs && enable_safe $headers
903 }
904
905 check_cpp_condition(){
906 log check_cpp_condition "$@"
907 header=$1
908 condition=$2
909 shift 2
910 check_cpp "$@" <<EOF
911 #include <$header>
912 #if !($condition)
913 #error "unsatisfied condition: $condition"
914 #endif
915 EOF
916 }
917
918 check_lib(){
919 log check_lib "$@"
920 header="$1"
921 func="$2"
922 shift 2
923 check_header $header && check_func $func "$@" && add_extralibs "$@"
924 }
925
926 check_lib2(){
927 log check_lib2 "$@"
928 headers="$1"
929 funcs="$2"
930 shift 2
931 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
932 }
933
934 check_pkg_config(){
935 log check_pkg_config "$@"
936 pkg="$1"
937 headers="$2"
938 funcs="$3"
939 shift 3
940 check_cmd $pkg_config --exists --print-errors $pkg || return
941 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
942 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
943 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
944 set_safe ${pkg}_cflags $pkg_cflags &&
945 set_safe ${pkg}_libs $pkg_libs
946 }
947
948 check_exec(){
949 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
950 }
951
952 check_exec_crash(){
953 code=$(cat)
954
955 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
956 # are safe but may not be available everywhere. Thus we use
957 # raise(SIGTERM) instead. The check is run in a subshell so we
958 # can redirect the "Terminated" message from the shell. SIGBUS
959 # is not defined by standard C so it is used conditionally.
960
961 (check_exec "$@") >> $logfile 2>&1 <<EOF
962 #include <signal.h>
963 static void sighandler(int sig){
964 raise(SIGTERM);
965 }
966 int foo(void){
967 $code
968 }
969 int (*func_ptr)(void) = foo;
970 int main(void){
971 signal(SIGILL, sighandler);
972 signal(SIGFPE, sighandler);
973 signal(SIGSEGV, sighandler);
974 #ifdef SIGBUS
975 signal(SIGBUS, sighandler);
976 #endif
977 return func_ptr();
978 }
979 EOF
980 }
981
982 check_type(){
983 log check_type "$@"
984 headers=$1
985 type=$2
986 shift 2
987 disable_safe "$type"
988 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
989 }
990
991 check_struct(){
992 log check_struct "$@"
993 headers=$1
994 struct=$2
995 member=$3
996 shift 3
997 disable_safe "${struct}_${member}"
998 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
999 enable_safe "${struct}_${member}"
1000 }
1001
1002 check_builtin(){
1003 log check_builtin "$@"
1004 name=$1
1005 headers=$2
1006 builtin=$3
1007 shift 3
1008 disable "$name"
1009 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1010 }
1011
1012 check_compile_assert(){
1013 log check_compile_assert "$@"
1014 name=$1
1015 headers=$2
1016 condition=$3
1017 shift 3
1018 disable "$name"
1019 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1020 }
1021
1022 require(){
1023 name="$1"
1024 header="$2"
1025 func="$3"
1026 shift 3
1027 check_lib $header $func "$@" || die "ERROR: $name not found"
1028 }
1029
1030 require2(){
1031 name="$1"
1032 headers="$2"
1033 func="$3"
1034 shift 3
1035 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1036 }
1037
1038 require_pkg_config(){
1039 pkg="$1"
1040 check_pkg_config "$@" || die "ERROR: $pkg not found"
1041 add_cflags $(get_safe ${pkg}_cflags)
1042 add_extralibs $(get_safe ${pkg}_libs)
1043 }
1044
1045 hostcc_e(){
1046 eval printf '%s\\n' $HOSTCC_E
1047 }
1048
1049 hostcc_o(){
1050 eval printf '%s\\n' $HOSTCC_O
1051 }
1052
1053 check_host_cc(){
1054 log check_host_cc "$@"
1055 cat > $TMPC
1056 log_file $TMPC
1057 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1058 }
1059
1060 check_host_cpp(){
1061 log check_host_cpp "$@"
1062 cat > $TMPC
1063 log_file $TMPC
1064 check_cmd $host_cc $HOSTCPPFLAGS $HOSTCFLAGS "$@" $(hostcc_e $TMPO) $TMPC
1065 }
1066
1067 check_host_cppflags(){
1068 log check_host_cppflags "$@"
1069 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1070 int x;
1071 EOF
1072 }
1073
1074 check_host_cflags(){
1075 log check_host_cflags "$@"
1076 set -- $($host_cflags_filter "$@")
1077 check_host_cc "$@" <<EOF && append host_cflags "$@"
1078 int x;
1079 EOF
1080 }
1081
1082 check_host_cpp_condition(){
1083 log check_host_cpp_condition "$@"
1084 header=$1
1085 condition=$2
1086 shift 2
1087 check_host_cpp "$@" <<EOF
1088 #include <$header>
1089 #if !($condition)
1090 #error "unsatisfied condition: $condition"
1091 #endif
1092 EOF
1093 }
1094
1095 apply(){
1096 file=$1
1097 shift
1098 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1099 }
1100
1101 cp_if_changed(){
1102 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1103 mkdir -p "$(dirname $2)"
1104 $cp_f "$1" "$2"
1105 }
1106
1107 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1108 # system-dependent things.
1109
1110 COMPONENT_LIST="
1111 bsfs
1112 decoders
1113 demuxers
1114 encoders
1115 filters
1116 hwaccels
1117 indevs
1118 muxers
1119 outdevs
1120 parsers
1121 protocols
1122 "
1123
1124 EXAMPLE_LIST="
1125 avcodec_example
1126 filter_audio_example
1127 metadata_example
1128 output_example
1129 transcode_aac_example
1130 "
1131
1132 EXTERNAL_LIBRARY_LIST="
1133 avisynth
1134 bzlib
1135 frei0r
1136 gnutls
1137 libbs2b
1138 libcdio
1139 libdc1394
1140 libfaac
1141 libfdk_aac
1142 libfontconfig
1143 libfreetype
1144 libgsm
1145 libilbc
1146 libmp3lame
1147 libopencore_amrnb
1148 libopencore_amrwb
1149 libopencv
1150 libopenjpeg
1151 libopus
1152 libpulse
1153 librtmp
1154 libschroedinger
1155 libspeex
1156 libtheora
1157 libtwolame
1158 libvo_aacenc
1159 libvo_amrwbenc
1160 libvorbis
1161 libvpx
1162 libwavpack
1163 libwebp
1164 libx264
1165 libx265
1166 libxavs
1167 libxvid
1168 openssl
1169 x11grab
1170 zlib
1171 "
1172
1173 FEATURE_LIST="
1174 gray
1175 hardcoded_tables
1176 runtime_cpudetect
1177 safe_bitstream_reader
1178 shared
1179 small
1180 sram
1181 static
1182 swscale_alpha
1183 "
1184
1185 HWACCEL_LIST="
1186 dxva2
1187 vaapi
1188 vda
1189 vdpau
1190 "
1191
1192 LIBRARY_LIST="
1193 avcodec
1194 avdevice
1195 avfilter
1196 avformat
1197 avresample
1198 avutil
1199 swscale
1200 "
1201
1202 LICENSE_LIST="
1203 gpl
1204 nonfree
1205 version3
1206 "
1207
1208 PROGRAM_LIST="
1209 avconv
1210 avplay
1211 avprobe
1212 "
1213
1214 SUBSYSTEM_LIST="
1215 dct
1216 doc
1217 error_resilience
1218 fft
1219 lsp
1220 lzo
1221 mdct
1222 network
1223 rdft
1224 "
1225
1226 CONFIG_LIST="
1227 $COMPONENT_LIST
1228 $EXAMPLE_LIST
1229 $EXTERNAL_LIBRARY_LIST
1230 $FEATURE_LIST
1231 $HWACCEL_LIST
1232 $LICENSE_LIST
1233 $LIBRARY_LIST
1234 $PROGRAM_LIST
1235 $SUBSYSTEM_LIST
1236 memalign_hack
1237 neon_clobber_test
1238 pic
1239 pod2man
1240 texi2html
1241 thumb
1242 xmm_clobber_test
1243 "
1244
1245 THREADS_LIST="
1246 pthreads
1247 w32threads
1248 "
1249
1250 ATOMICS_LIST="
1251 atomics_gcc
1252 atomics_suncc
1253 atomics_win32
1254 "
1255
1256 ARCH_LIST="
1257 aarch64
1258 alpha
1259 arm
1260 avr32
1261 avr32_ap
1262 avr32_uc
1263 bfin
1264 ia64
1265 m68k
1266 mips
1267 mips64
1268 parisc
1269 ppc
1270 ppc64
1271 s390
1272 sh4
1273 sparc
1274 sparc64
1275 tilegx
1276 tilepro
1277 tomi
1278 x86
1279 x86_32
1280 x86_64
1281 "
1282
1283 ARCH_EXT_LIST_ARM="
1284 armv5te
1285 armv6
1286 armv6t2
1287 armv8
1288 neon
1289 vfp
1290 vfpv3
1291 "
1292
1293 ARCH_EXT_LIST_X86_SIMD="
1294 amd3dnow
1295 amd3dnowext
1296 avx
1297 avx2
1298 fma3
1299 fma4
1300 mmx
1301 mmxext
1302 sse
1303 sse2
1304 sse3
1305 sse4
1306 sse42
1307 ssse3
1308 xop
1309 "
1310
1311 ARCH_EXT_LIST_PPC="
1312 altivec
1313 dcbzl
1314 ldbrx
1315 ppc4xx
1316 "
1317
1318 ARCH_EXT_LIST_X86="
1319 $ARCH_EXT_LIST_X86_SIMD
1320 cpunop
1321 i686
1322 "
1323
1324 ARCH_EXT_LIST="
1325 $ARCH_EXT_LIST_ARM
1326 $ARCH_EXT_LIST_PPC
1327 $ARCH_EXT_LIST_X86
1328 loongson
1329 vis
1330 "
1331
1332 ARCH_FEATURES="
1333 aligned_stack
1334 fast_64bit
1335 fast_clz
1336 fast_cmov
1337 local_aligned_8
1338 local_aligned_16
1339 "
1340
1341 BUILTIN_LIST="
1342 atomic_cas_ptr
1343 machine_rw_barrier
1344 MemoryBarrier
1345 mm_empty
1346 rdtsc
1347 sync_val_compare_and_swap
1348 "
1349 HAVE_LIST_CMDLINE="
1350 inline_asm
1351 symver
1352 yasm
1353 "
1354
1355 HAVE_LIST_PUB="
1356 bigendian
1357 fast_unaligned
1358 "
1359
1360 HEADERS_LIST="
1361 alsa_asoundlib_h
1362 altivec_h
1363 arpa_inet_h
1364 cdio_paranoia_h
1365 cdio_paranoia_paranoia_h
1366 dev_bktr_ioctl_bt848_h
1367 dev_bktr_ioctl_meteor_h
1368 dev_ic_bt8xx_h
1369 dev_video_bktr_ioctl_bt848_h
1370 dev_video_meteor_ioctl_meteor_h
1371 direct_h
1372 dlfcn_h
1373 dxva_h
1374 gsm_h
1375 io_h
1376 mach_mach_time_h
1377 machine_ioctl_bt848_h
1378 machine_ioctl_meteor_h
1379 malloc_h
1380 poll_h
1381 sndio_h
1382 soundcard_h
1383 sys_mman_h
1384 sys_param_h
1385 sys_resource_h
1386 sys_select_h
1387 sys_soundcard_h
1388 sys_time_h
1389 sys_un_h
1390 sys_videoio_h
1391 unistd_h
1392 windows_h
1393 winsock2_h
1394 "
1395
1396 MATH_FUNCS="
1397 atanf
1398 atan2f
1399 cbrtf
1400 cosf
1401 exp2
1402 exp2f
1403 expf
1404 isinf
1405 isnan
1406 ldexpf
1407 llrint
1408 llrintf
1409 log2
1410 log2f
1411 log10f
1412 lrint
1413 lrintf
1414 powf
1415 rint
1416 round
1417 roundf
1418 sinf
1419 trunc
1420 truncf
1421 "
1422
1423 SYSTEM_FUNCS="
1424 aligned_malloc
1425 closesocket
1426 CommandLineToArgvW
1427 CoTaskMemFree
1428 CryptGenRandom
1429 dlopen
1430 fcntl
1431 flt_lim
1432 fork
1433 getaddrinfo
1434 gethrtime
1435 getopt
1436 GetProcessAffinityMask
1437 GetProcessMemoryInfo
1438 GetProcessTimes
1439 getrusage
1440 getservbyport
1441 GetSystemTimeAsFileTime
1442 gettimeofday
1443 inet_aton
1444 isatty
1445 jack_port_get_latency_range
1446 localtime_r
1447 mach_absolute_time
1448 MapViewOfFile
1449 memalign
1450 mkstemp
1451 mmap
1452 mprotect
1453 nanosleep
1454 posix_memalign
1455 sched_getaffinity
1456 SetConsoleTextAttribute
1457 setmode
1458 setrlimit
1459 Sleep
1460 strerror_r
1461 strptime
1462 sysconf
1463 sysctl
1464 usleep
1465 VirtualAlloc
1466 "
1467
1468 TOOLCHAIN_FEATURES="
1469 as_dn_directive
1470 as_func
1471 asm_mod_q
1472 attribute_may_alias
1473 attribute_packed
1474 ebp_available
1475 ebx_available
1476 gnu_as
1477 ibm_asm
1478 inline_asm_labels
1479 pragma_deprecated
1480 symver_asm_label
1481 symver_gnu_asm
1482 vfp_args
1483 xform_asm
1484 xmm_clobbers
1485 "
1486
1487 TYPES_LIST="
1488 socklen_t
1489 struct_addrinfo
1490 struct_group_source_req
1491 struct_ip_mreq_source
1492 struct_ipv6_mreq
1493 struct_pollfd
1494 struct_rusage_ru_maxrss
1495 struct_sockaddr_in6
1496 struct_sockaddr_sa_len
1497 struct_sockaddr_storage
1498 struct_v4l2_frmivalenum_discrete
1499 "
1500
1501 HAVE_LIST="
1502 $ARCH_EXT_LIST
1503 $(add_suffix _external $ARCH_EXT_LIST)
1504 $(add_suffix _inline $ARCH_EXT_LIST)
1505 $ARCH_FEATURES
1506 $ATOMICS_LIST
1507 $BUILTIN_LIST
1508 $HAVE_LIST_CMDLINE
1509 $HAVE_LIST_PUB
1510 $HEADERS_LIST
1511 $MATH_FUNCS
1512 $SYSTEM_FUNCS
1513 $THREADS_LIST
1514 $TOOLCHAIN_FEATURES
1515 $TYPES_LIST
1516 atomics_native
1517 dos_paths
1518 dxva2_lib
1519 libc_msvcrt
1520 libdc1394_1
1521 libdc1394_2
1522 sdl
1523 threads
1524 vdpau_x11
1525 xlib
1526 "
1527
1528 # options emitted with CONFIG_ prefix but not available on the command line
1529 CONFIG_EXTRA="
1530 aandcttables
1531 ac3dsp
1532 audio_frame_queue
1533 cabac
1534 dsputil
1535 gcrypt
1536 golomb
1537 gplv3
1538 h263dsp
1539 h264chroma
1540 h264dsp
1541 h264pred
1542 h264qpel
1543 hpeldsp
1544 huffman
1545 huffyuvdsp
1546 huffyuvencdsp
1547 intrax8
1548 lgplv3
1549 lpc
1550 mpegaudio
1551 mpegaudiodsp
1552 mpegvideo
1553 mpegvideoenc
1554 nettle
1555 qpeldsp
1556 rangecoder
1557 riffdec
1558 riffenc
1559 rtpdec
1560 rtpenc_chain
1561 sinewin
1562 tpeldsp
1563 videodsp
1564 vp3dsp
1565 "
1566
1567 CMDLINE_SELECT="
1568 $ARCH_EXT_LIST
1569 $CONFIG_LIST
1570 $HAVE_LIST_CMDLINE
1571 $THREADS_LIST
1572 asm
1573 cross_compile
1574 debug
1575 extra_warnings
1576 logging
1577 lto
1578 optimizations
1579 "
1580
1581 PATHS_LIST="
1582 bindir
1583 datadir
1584 docdir
1585 incdir
1586 libdir
1587 mandir
1588 prefix
1589 shlibdir
1590 "
1591
1592 CMDLINE_SET="
1593 $PATHS_LIST
1594 ar
1595 arch
1596 as
1597 build_suffix
1598 cc
1599 cpu
1600 cross_prefix
1601 dep_cc
1602 extra_version
1603 host_cc
1604 host_cflags
1605 host_ld
1606 host_ldflags
1607 host_libs
1608 host_os
1609 ld
1610 logfile
1611 malloc_prefix
1612 nm
1613 optflags
1614 pkg_config
1615 pkg_config_flags
1616 random_seed
1617 samples
1618 sysinclude
1619 sysroot
1620 target_exec
1621 target_os
1622 target_path
1623 target_samples
1624 toolchain
1625 "
1626
1627 CMDLINE_APPEND="
1628 extra_cflags
1629 host_cppflags
1630 "
1631
1632 # code dependency declarations
1633
1634 # architecture extensions
1635
1636 armv5te_deps="arm"
1637 armv6_deps="arm"
1638 armv6t2_deps="arm"
1639 armv8_deps="aarch64"
1640 neon_deps_any="aarch64 arm"
1641 vfp_deps_any="aarch64 arm"
1642 vfpv3_deps="vfp"
1643
1644 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1645
1646 altivec_deps="ppc"
1647 ppc4xx_deps="ppc"
1648
1649 cpunop_deps="i686"
1650 x86_64_select="i686"
1651 x86_64_suggest="fast_cmov"
1652
1653 amd3dnow_deps="mmx"
1654 amd3dnowext_deps="amd3dnow"
1655 i686_deps="x86"
1656 mmx_deps="x86"
1657 mmxext_deps="mmx"
1658 sse_deps="mmxext"
1659 sse2_deps="sse"
1660 sse3_deps="sse2"
1661 ssse3_deps="sse3"
1662 sse4_deps="ssse3"
1663 sse42_deps="sse4"
1664 avx_deps="sse42"
1665 xop_deps="avx"
1666 fma3_deps="avx"
1667 fma4_deps="avx"
1668 avx2_deps="avx"
1669
1670 mmx_external_deps="yasm"
1671 mmx_inline_deps="inline_asm"
1672 mmx_suggest="mmx_external mmx_inline"
1673
1674 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1675 eval dep=\$${ext}_deps
1676 eval ${ext}_external_deps='"${dep}_external"'
1677 eval ${ext}_inline_deps='"${dep}_inline"'
1678 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1679 done
1680
1681 aligned_stack_if_any="aarch64 ppc x86"
1682 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1683 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1684 fast_unaligned_if_any="aarch64 ppc x86"
1685
1686 need_memalign="altivec neon sse"
1687
1688 # system capabilities
1689 log2_deps="!libc_msvcrt"
1690
1691 symver_if_any="symver_asm_label symver_gnu_asm"
1692
1693 # threading support
1694 atomics_gcc_if="sync_val_compare_and_swap"
1695 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1696 atomics_win32_if="MemoryBarrier"
1697 atomics_native_if_any="$ATOMICS_LIST"
1698 w32threads_deps="atomics_native"
1699 threads_if_any="$THREADS_LIST"
1700
1701 # subsystems
1702 dct_select="rdft"
1703 error_resilience_select="dsputil"
1704 mdct_select="fft"
1705 rdft_select="fft"
1706 mpegaudio_select="mpegaudiodsp"
1707 mpegaudiodsp_select="dct"
1708 mpegvideo_select="dsputil hpeldsp videodsp"
1709 mpegvideoenc_select="dsputil mpegvideo qpeldsp"
1710
1711 # decoders / encoders
1712 aac_decoder_select="mdct sinewin"
1713 aac_encoder_select="audio_frame_queue mdct sinewin"
1714 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1715 ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1716 ac3_encoder_select="mdct ac3dsp dsputil"
1717 ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1718 aic_decoder_select="dsputil golomb"
1719 alac_encoder_select="lpc"
1720 als_decoder_select="dsputil"
1721 amrnb_decoder_select="lsp"
1722 amrwb_decoder_select="lsp"
1723 amv_decoder_select="sp5x_decoder"
1724 ape_decoder_select="dsputil"
1725 asv1_decoder_select="dsputil"
1726 asv1_encoder_select="dsputil"
1727 asv2_decoder_select="dsputil"
1728 asv2_encoder_select="dsputil"
1729 atrac1_decoder_select="mdct sinewin"
1730 atrac3_decoder_select="mdct"
1731 atrac3p_decoder_select="mdct sinewin"
1732 bink_decoder_select="dsputil hpeldsp"
1733 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1734 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1735 cavs_decoder_select="dsputil golomb h264chroma qpeldsp videodsp"
1736 cllc_decoder_select="dsputil"
1737 comfortnoise_encoder_select="lpc"
1738 cook_decoder_select="dsputil mdct sinewin"
1739 cscd_decoder_select="lzo"
1740 cscd_decoder_suggest="zlib"
1741 dca_decoder_select="mdct"
1742 dnxhd_decoder_select="dsputil"
1743 dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1744 dvvideo_decoder_select="dsputil"
1745 dvvideo_encoder_select="dsputil"
1746 dxa_decoder_deps="zlib"
1747 eac3_decoder_select="ac3_decoder"
1748 eac3_encoder_select="ac3_encoder"
1749 eamad_decoder_select="aandcttables dsputil mpegvideo"
1750 eatgq_decoder_select="aandcttables dsputil"
1751 eatqi_decoder_select="aandcttables dsputil error_resilience mpegvideo"
1752 exr_decoder_deps="zlib"
1753 ffv1_decoder_select="golomb rangecoder"
1754 ffv1_encoder_select="rangecoder"
1755 ffvhuff_decoder_select="huffyuv_decoder"
1756 ffvhuff_encoder_select="huffyuv_encoder"
1757 fic_decoder_select="golomb"
1758 flac_decoder_select="golomb"
1759 flac_encoder_select="dsputil golomb lpc"
1760 flashsv_decoder_deps="zlib"
1761 flashsv_encoder_deps="zlib"
1762 flashsv2_decoder_deps="zlib"
1763 flv_decoder_select="h263_decoder"
1764 flv_encoder_select="h263_encoder"
1765 fourxm_decoder_select="dsputil"
1766 fraps_decoder_select="dsputil huffman"
1767 g2m_decoder_deps="zlib"
1768 g2m_decoder_select="dsputil"
1769 h261_decoder_select="error_resilience mpegvideo"
1770 h261_encoder_select="aandcttables mpegvideoenc"
1771 h263_decoder_select="error_resilience h263_parser h263dsp mpegvideo qpeldsp"
1772 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1773 h263i_decoder_select="h263_decoder"
1774 h263p_encoder_select="h263_encoder"
1775 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel videodsp"
1776 h264_decoder_suggest="error_resilience"
1777 hevc_decoder_select="cabac dsputil golomb videodsp"
1778 huffyuv_decoder_select="dsputil huffyuvdsp"
1779 huffyuv_encoder_select="dsputil huffman huffyuvencdsp"
1780 iac_decoder_select="imc_decoder"
1781 imc_decoder_select="dsputil fft mdct sinewin"
1782 indeo3_decoder_select="hpeldsp"
1783 interplay_video_decoder_select="hpeldsp"
1784 jpegls_decoder_select="golomb mjpeg_decoder"
1785 jpegls_encoder_select="golomb"
1786 jv_decoder_select="dsputil"
1787 lagarith_decoder_select="huffyuvdsp"
1788 ljpeg_encoder_select="aandcttables mpegvideoenc"
1789 loco_decoder_select="golomb"
1790 mdec_decoder_select="dsputil error_resilience mpegvideo"
1791 metasound_decoder_select="lsp mdct sinewin"
1792 mimic_decoder_select="dsputil hpeldsp"
1793 mjpeg_decoder_select="dsputil hpeldsp"
1794 mjpeg_encoder_select="aandcttables mpegvideoenc"
1795 mjpegb_decoder_select="mjpeg_decoder"
1796 mlp_decoder_select="mlp_parser"
1797 motionpixels_decoder_select="dsputil"
1798 mp1_decoder_select="mpegaudio"
1799 mp1float_decoder_select="mpegaudio"
1800 mp2_decoder_select="mpegaudio"
1801 mp2float_decoder_select="mpegaudio"
1802 mp3_decoder_select="mpegaudio"
1803 mp3adu_decoder_select="mpegaudio"
1804 mp3adufloat_decoder_select="mpegaudio"
1805 mp3float_decoder_select="mpegaudio"
1806 mp3on4_decoder_select="mpegaudio"
1807 mp3on4float_decoder_select="mpegaudio"
1808 mpc7_decoder_select="dsputil mpegaudiodsp"
1809 mpc8_decoder_select="mpegaudiodsp"
1810 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1811 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1812 mpeg1video_decoder_select="error_resilience mpegvideo"
1813 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1814 mpeg2video_decoder_select="error_resilience mpegvideo"
1815 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1816 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1817 mpeg4_encoder_select="h263_encoder"
1818 msmpeg4v1_decoder_select="h263_decoder"
1819 msmpeg4v2_decoder_select="h263_decoder"
1820 msmpeg4v2_encoder_select="h263_encoder"
1821 msmpeg4v3_decoder_select="h263_decoder"
1822 msmpeg4v3_encoder_select="h263_encoder"
1823 mss2_decoder_select="error_resilience qpeldsp vc1_decoder"
1824 mxpeg_decoder_select="mjpeg_decoder"
1825 nellymoser_decoder_select="mdct sinewin"
1826 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1827 nuv_decoder_select="dsputil lzo"
1828 on2avc_decoder_select="mdct"
1829 opus_decoder_deps="avresample"
1830 png_decoder_deps="zlib"
1831 png_encoder_deps="zlib"
1832 png_encoder_select="huffyuvencdsp"
1833 prores_decoder_select="dsputil"
1834 prores_encoder_select="dsputil"
1835 qcelp_decoder_select="lsp"
1836 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1837 ra_144_encoder_select="audio_frame_queue lpc"
1838 ralf_decoder_select="golomb"
1839 rv10_decoder_select="error_resilience h263_decoder h263dsp"
1840 rv10_encoder_select="h263_encoder"
1841 rv20_decoder_select="error_resilience h263_decoder h263dsp"
1842 rv20_encoder_select="h263_encoder"
1843 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1844 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1845 shorten_decoder_select="golomb"
1846 sipr_decoder_select="lsp"
1847 sp5x_decoder_select="mjpeg_decoder"
1848 svq1_decoder_select="hpeldsp"
1849 svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
1850 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
1851 svq3_decoder_suggest="zlib"
1852 tak_decoder_select="dsputil"
1853 theora_decoder_select="vp3_decoder"
1854 thp_decoder_select="mjpeg_decoder"
1855 tiff_decoder_suggest="zlib"
1856 tiff_encoder_suggest="zlib"
1857 truehd_decoder_select="mlp_decoder"
1858 truemotion2_decoder_select="dsputil"
1859 truespeech_decoder_select="dsputil"
1860 tscc_decoder_deps="zlib"
1861 twinvq_decoder_select="mdct lsp sinewin"
1862 utvideo_decoder_select="dsputil"
1863 utvideo_encoder_select="dsputil huffman huffyuvencdsp"
1864 vble_decoder_select="huffyuvdsp"
1865 vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel intrax8 qpeldsp"
1866 vc1image_decoder_select="vc1_decoder"
1867 vorbis_decoder_select="mdct"
1868 vorbis_encoder_select="mdct"
1869 vp3_decoder_select="hpeldsp vp3dsp videodsp"
1870 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1871 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
1872 vp6a_decoder_select="vp6_decoder"
1873 vp6f_decoder_select="vp6_decoder"
1874 vp7_decoder_select="h264pred videodsp"
1875 vp8_decoder_select="h264pred videodsp"
1876 vp9_decoder_select="videodsp"
1877 webp_decoder_select="vp8_decoder"
1878 wmapro_decoder_select="mdct sinewin"
1879 wmav1_decoder_select="mdct sinewin"
1880 wmav1_encoder_select="mdct sinewin"
1881 wmav2_decoder_select="mdct sinewin"
1882 wmav2_encoder_select="mdct sinewin"
1883 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1884 wmv1_decoder_select="h263_decoder"
1885 wmv1_encoder_select="h263_encoder"
1886 wmv2_decoder_select="h263_decoder intrax8 videodsp"
1887 wmv2_encoder_select="h263_encoder"
1888 wmv3_decoder_select="vc1_decoder"
1889 wmv3image_decoder_select="wmv3_decoder"
1890 zerocodec_decoder_deps="zlib"
1891 zlib_decoder_deps="zlib"
1892 zlib_encoder_deps="zlib"
1893 zmbv_decoder_deps="zlib"
1894 zmbv_encoder_deps="zlib"
1895
1896 # hardware accelerators
1897 dxva2_deps="dxva2api_h"
1898 vaapi_deps="va_va_h"
1899 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1900 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
1901 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1902
1903 h263_vaapi_hwaccel_deps="vaapi"
1904 h263_vaapi_hwaccel_select="h263_decoder"
1905 h263_vdpau_hwaccel_deps="vdpau"
1906 h263_vdpau_hwaccel_select="h263_decoder"
1907 h264_dxva2_hwaccel_deps="dxva2"
1908 h264_dxva2_hwaccel_select="h264_decoder"
1909 h264_vaapi_hwaccel_deps="vaapi"
1910 h264_vaapi_hwaccel_select="h264_decoder"
1911 h264_vda_hwaccel_deps="vda"
1912 h264_vda_hwaccel_select="h264_decoder"
1913 h264_vda_old_hwaccel_deps="vda"
1914 h264_vda_old_hwaccel_select="h264_decoder"
1915 h264_vdpau_hwaccel_deps="vdpau"
1916 h264_vdpau_hwaccel_select="h264_decoder"
1917 mpeg1_vdpau_hwaccel_deps="vdpau"
1918 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
1919 mpeg2_dxva2_hwaccel_deps="dxva2"
1920 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
1921 mpeg2_vaapi_hwaccel_deps="vaapi"
1922 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
1923 mpeg2_vdpau_hwaccel_deps="vdpau"
1924 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
1925 mpeg4_vaapi_hwaccel_deps="vaapi"
1926 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
1927 mpeg4_vdpau_hwaccel_deps="vdpau"
1928 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
1929 vc1_dxva2_hwaccel_deps="dxva2"
1930 vc1_dxva2_hwaccel_select="vc1_decoder"
1931 vc1_vaapi_hwaccel_deps="vaapi"
1932 vc1_vaapi_hwaccel_select="vc1_decoder"
1933 vc1_vdpau_hwaccel_deps="vdpau"
1934 vc1_vdpau_hwaccel_select="vc1_decoder"
1935 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1936 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1937 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
1938
1939 # parsers
1940 h264_parser_select="h264_decoder"
1941 mpegvideo_parser_select="error_resilience mpegvideo"
1942 mpeg4video_parser_select="error_resilience h263dsp mpegvideo qpeldsp"
1943 vc1_parser_select="mpegvideo"
1944
1945 # external libraries
1946 libfaac_encoder_deps="libfaac"
1947 libfaac_encoder_select="audio_frame_queue"
1948 libfdk_aac_decoder_deps="libfdk_aac"
1949 libfdk_aac_encoder_deps="libfdk_aac"
1950 libfdk_aac_encoder_select="audio_frame_queue"
1951 libgsm_decoder_deps="libgsm"
1952 libgsm_encoder_deps="libgsm"
1953 libgsm_ms_decoder_deps="libgsm"
1954 libgsm_ms_encoder_deps="libgsm"
1955 libilbc_decoder_deps="libilbc"
1956 libilbc_encoder_deps="libilbc"
1957 libmp3lame_encoder_deps="libmp3lame"
1958 libmp3lame_encoder_select="audio_frame_queue"
1959 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1960 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1961 libopencore_amrnb_encoder_select="audio_frame_queue"
1962 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1963 libopenjpeg_decoder_deps="libopenjpeg"
1964 libopenjpeg_encoder_deps="libopenjpeg"
1965 libopus_decoder_deps="libopus"
1966 libopus_encoder_deps="libopus"
1967 libopus_encoder_select="audio_frame_queue"
1968 libschroedinger_decoder_deps="libschroedinger"
1969 libschroedinger_encoder_deps="libschroedinger"
1970 libspeex_decoder_deps="libspeex"
1971 libspeex_encoder_deps="libspeex"
1972 libspeex_encoder_select="audio_frame_queue"
1973 libtheora_encoder_deps="libtheora"
1974 libtwolame_encoder_deps="libtwolame"
1975 libvo_aacenc_encoder_deps="libvo_aacenc"
1976 libvo_aacenc_encoder_select="audio_frame_queue"
1977 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1978 libvorbis_encoder_deps="libvorbis"
1979 libvorbis_encoder_select="audio_frame_queue"
1980 libvpx_vp8_decoder_deps="libvpx"
1981 libvpx_vp8_encoder_deps="libvpx"
1982 libvpx_vp9_decoder_deps="libvpx"
1983 libvpx_vp9_encoder_deps="libvpx"
1984 libwavpack_encoder_deps="libwavpack"
1985 libwebp_encoder_deps="libwebp"
1986 libx264_encoder_deps="libx264"
1987 libx265_encoder_deps="libx265"
1988 libxavs_encoder_deps="libxavs"
1989 libxvid_encoder_deps="libxvid"
1990
1991 # demuxers / muxers
1992 ac3_demuxer_select="ac3_parser"
1993 asf_demuxer_select="riffdec"
1994 asf_muxer_select="riffenc"
1995 asf_stream_muxer_select="asf_muxer"
1996 avi_demuxer_select="riffdec"
1997 avi_muxer_select="riffenc"
1998 avisynth_demuxer_deps="avisynth"
1999 avisynth_demuxer_select="riffdec"
2000 caf_demuxer_select="riffdec"
2001 dirac_demuxer_select="dirac_parser"
2002 dxa_demuxer_select="riffdec"
2003 eac3_demuxer_select="ac3_parser"
2004 f4v_muxer_select="mov_muxer"
2005 flac_demuxer_select="flac_parser"
2006 hds_muxer_select="flv_muxer"
2007 hls_muxer_select="mpegts_muxer"
2008 ipod_muxer_select="mov_muxer"
2009 ismv_muxer_select="mov_muxer"
2010 matroska_audio_muxer_select="matroska_muxer"
2011 matroska_demuxer_select="riffdec"
2012 matroska_demuxer_suggest="bzlib lzo zlib"
2013 matroska_muxer_select="riffenc"
2014 mmf_muxer_select="riffenc"
2015 mov_demuxer_select="riffdec"
2016 mov_demuxer_suggest="zlib"
2017 mov_muxer_select="riffenc rtpenc_chain"
2018 mp3_demuxer_select="mpegaudio_parser"
2019 mp4_muxer_select="mov_muxer"
2020 mpegts_muxer_select="adts_muxer latm_muxer"
2021 mpegtsraw_demuxer_select="mpegts_demuxer"
2022 mxf_d10_muxer_select="mxf_muxer"
2023 nut_muxer_select="riffenc"
2024 nuv_demuxer_select="riffdec"
2025 ogg_demuxer_select="golomb"
2026 psp_muxer_select="mov_muxer"
2027 rtp_demuxer_select="sdp_demuxer"
2028 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2029 rtsp_demuxer_select="http_protocol rtpdec"
2030 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2031 sap_demuxer_select="sdp_demuxer"
2032 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2033 sdp_demuxer_select="rtpdec"
2034 smoothstreaming_muxer_select="ismv_muxer"
2035 spdif_muxer_select="aac_parser"
2036 tak_demuxer_select="tak_parser"
2037 tg2_muxer_select="mov_muxer"
2038 tgp_muxer_select="mov_muxer"
2039 w64_demuxer_select="wav_demuxer"
2040 wav_demuxer_select="riffdec"
2041 wav_muxer_select="riffenc"
2042 webm_muxer_select="riffenc"
2043 wtv_demuxer_select="riffdec"
2044 xmv_demuxer_select="riffdec"
2045 xwma_demuxer_select="riffdec"
2046
2047 # indevs / outdevs
2048 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2049 alsa_outdev_deps="alsa_asoundlib_h"
2050 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2051 dv1394_indev_deps="dv1394"
2052 dv1394_indev_select="dv_demuxer"
2053 fbdev_indev_deps="linux_fb_h"
2054 jack_indev_deps="jack_jack_h pthreads"
2055 libcdio_indev_deps="libcdio"
2056 libdc1394_indev_deps="libdc1394"
2057 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2058 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2059 pulse_indev_deps="libpulse"
2060 sndio_indev_deps="sndio_h"
2061 sndio_outdev_deps="sndio_h"
2062 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2063 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2064 vfwcap_indev_extralibs="-lavicap32"
2065 x11grab_indev_deps="x11grab XShmCreateImage"
2066
2067 # protocols
2068 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2069 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2070 ffrtmpcrypt_protocol_select="tcp_protocol"
2071 ffrtmphttp_protocol_deps="!librtmp_protocol"
2072 ffrtmphttp_protocol_select="http_protocol"
2073 gopher_protocol_select="network"
2074 http_protocol_select="tcp_protocol"
2075 httpproxy_protocol_select="tcp_protocol"
2076 https_protocol_select="tls_protocol"
2077 librtmp_protocol_deps="librtmp"
2078 librtmpe_protocol_deps="librtmp"
2079 librtmps_protocol_deps="librtmp"
2080 librtmpt_protocol_deps="librtmp"
2081 librtmpte_protocol_deps="librtmp"
2082 mmsh_protocol_select="http_protocol"
2083 mmst_protocol_select="network"
2084 rtmp_protocol_deps="!librtmp_protocol"
2085 rtmp_protocol_select="tcp_protocol"
2086 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2087 rtmps_protocol_deps="!librtmp_protocol"
2088 rtmps_protocol_select="tls_protocol"
2089 rtmpt_protocol_select="ffrtmphttp_protocol"
2090 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2091 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2092 rtp_protocol_select="udp_protocol"
2093 sctp_protocol_deps="struct_sctp_event_subscribe"
2094 sctp_protocol_select="network"
2095 srtp_protocol_select="rtp_protocol"
2096 tcp_protocol_select="network"
2097 tls_protocol_deps_any="openssl gnutls"
2098 tls_protocol_select="tcp_protocol"
2099 udp_protocol_select="network"
2100 unix_protocol_deps="sys_un_h"
2101 unix_protocol_select="network"
2102
2103 # filters
2104 blackframe_filter_deps="gpl"
2105 boxblur_filter_deps="gpl"
2106 bs2b_filter_deps="libbs2b"
2107 cropdetect_filter_deps="gpl"
2108 delogo_filter_deps="gpl"
2109 drawtext_filter_deps="libfreetype"
2110 frei0r_filter_deps="frei0r dlopen"
2111 frei0r_filter_extralibs='$ldl'
2112 frei0r_src_filter_deps="frei0r dlopen"
2113 frei0r_src_filter_extralibs='$ldl'
2114 hqdn3d_filter_deps="gpl"
2115 interlace_filter_deps="gpl"
2116 ocv_filter_deps="libopencv"
2117 resample_filter_deps="avresample"
2118 scale_filter_deps="swscale"
2119
2120 # examples
2121 avcodec_example_deps="avcodec avutil"
2122 filter_audio_example_deps="avfilter avutil"
2123 metadata_example_deps="avformat avutil"
2124 output_example_deps="avcodec avformat avutil swscale"
2125 transcode_aac_example_deps="avcodec avformat avresample"
2126
2127 # libraries, in linking order
2128 avcodec_deps="avutil"
2129 avdevice_deps="avformat avcodec avutil"
2130 avfilter_deps="avutil"
2131 avformat_deps="avcodec avutil"
2132 avresample_deps="avutil"
2133 swscale_deps="avutil"
2134
2135 # programs
2136 avconv_deps="avcodec avfilter avformat avresample swscale"
2137 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2138 fps_filter null_filter resample_filter scale_filter
2139 setpts_filter trim_filter"
2140 avplay_deps="avcodec avformat avresample swscale sdl"
2141 avplay_libs='$sdl_libs'
2142 avplay_select="rdft"
2143 avprobe_deps="avcodec avformat"
2144
2145 # documentation
2146 pod2man_deps="doc"
2147 texi2html_deps="doc"
2148
2149 # default parameters
2150
2151 logfile="config.log"
2152
2153 # installation paths
2154 prefix_default="/usr/local"
2155 bindir_default='${prefix}/bin'
2156 datadir_default='${prefix}/share/avconv'
2157 docdir_default='${prefix}/share/doc/libav'
2158 incdir_default='${prefix}/include'
2159 libdir_default='${prefix}/lib'
2160 mandir_default='${prefix}/share/man'
2161 shlibdir_default="$libdir_default"
2162
2163 # toolchain
2164 ar_default="ar"
2165 cc_default="gcc"
2166 host_cc_default="gcc"
2167 cp_f="cp -f"
2168 ln_s="ln -s -f"
2169 nm_default="nm -g"
2170 objformat="elf"
2171 pkg_config_default=pkg-config
2172 ranlib="ranlib"
2173 strip="strip"
2174 yasmexe="yasm"
2175
2176 nogas=":"
2177
2178 # machine
2179 arch_default=$(uname -m)
2180 cpu="generic"
2181
2182 # OS
2183 target_os_default=$(tolower $(uname -s))
2184 host_os=$target_os_default
2185
2186 # configurable options
2187 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2188
2189 enable asm
2190 enable debug
2191 enable doc
2192 enable optimizations
2193 enable safe_bitstream_reader
2194 enable static
2195 enable swscale_alpha
2196
2197 # By default, enable only those hwaccels that have no external dependencies.
2198 enable dxva2 vdpau
2199
2200 # build settings
2201 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2202 LIBPREF="lib"
2203 LIBSUF=".a"
2204 FULLNAME='$(NAME)$(BUILDSUF)'
2205 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2206 SLIBPREF="lib"
2207 SLIBSUF=".so"
2208 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2209 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2210 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2211 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2212 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2213 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2214
2215 asflags_filter=echo
2216 cflags_filter=echo
2217 ldflags_filter=echo
2218
2219 AS_C='-c'
2220 AS_O='-o $@'
2221 CC_C='-c'
2222 CC_E='-E -o $@'
2223 CC_O='-o $@'
2224 LD_O='-o $@'
2225 LD_LIB='-l%'
2226 LD_PATH='-L'
2227 HOSTCC_C='-c'
2228 HOSTCC_E='-E -o $@'
2229 HOSTCC_O='-o $@'
2230 HOSTLD_O='-o $@'
2231
2232 host_libs='-lm'
2233 host_cflags_filter=echo
2234 host_ldflags_filter=echo
2235
2236 target_path='$(CURDIR)'
2237
2238 # since the object filename is not given with the -MM flag, the compiler
2239 # is only able to print the basename, and we must add the path ourselves
2240 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2241 DEPFLAGS='-MM'
2242
2243 # find source path
2244 if test -f configure; then
2245 source_path=.
2246 else
2247 source_path=$(cd $(dirname "$0"); pwd)
2248 echo "$source_path" | grep -q '[[:blank:]]' &&
2249 die "Out of tree builds are impossible with whitespace in source path."
2250 test -e "$source_path/config.h" &&
2251 die "Out of tree builds are impossible with config.h in source dir."
2252 fi
2253
2254 for v in "$@"; do
2255 r=${v#*=}
2256 l=${v%"$r"}
2257 r=$(sh_quote "$r")
2258 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2259 done
2260
2261 find_things(){
2262 thing=$1
2263 pattern=$2
2264 file=$source_path/$3
2265 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2266 }
2267
2268 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2269 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2270 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2271 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2272 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2273 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2274 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2275 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2276 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2277 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2278 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2279
2280 ALL_COMPONENTS="
2281 $BSF_LIST
2282 $DECODER_LIST
2283 $DEMUXER_LIST
2284 $ENCODER_LIST
2285 $FILTER_LIST
2286 $HWACCEL_LIST
2287 $INDEV_LIST
2288 $MUXER_LIST
2289 $OUTDEV_LIST
2290 $PARSER_LIST
2291 $PROTOCOL_LIST
2292 "
2293
2294 for n in $COMPONENT_LIST; do
2295 v=$(toupper ${n%s})_LIST
2296 eval enable \$$v
2297 eval ${n}_if_any="\$$v"
2298 done
2299
2300 enable $ARCH_EXT_LIST
2301
2302 die_unknown(){
2303 echo "Unknown option \"$1\"."
2304 echo "See $0 --help for available options."
2305 exit 1
2306 }
2307
2308 print_3_columns() {
2309 cat | tr ' ' '\n' | sort | pr -r -3 -t
2310 }
2311
2312 show_list() {
2313 suffix=_$1
2314 shift
2315 echo $* | sed s/$suffix//g | print_3_columns
2316 exit 0
2317 }
2318
2319 rand_list(){
2320 IFS=', '
2321 set -- $*
2322 unset IFS
2323 for thing; do
2324 comp=${thing%:*}
2325 prob=${thing#$comp}
2326 prob=${prob#:}
2327 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2328 echo "prob ${prob:-0.5}"
2329 printf '%s\n' $comp
2330 done
2331 }
2332
2333 do_random(){
2334 action=$1
2335 shift
2336 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2337 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2338 }
2339
2340 for opt do
2341 optval="${opt#*=}"
2342 case "$opt" in
2343 --extra-ldflags=*)
2344 add_ldflags $optval
2345 ;;
2346 --extra-libs=*)
2347 add_extralibs $optval
2348 ;;
2349 --disable-devices)
2350 disable $INDEV_LIST $OUTDEV_LIST
2351 ;;
2352 --enable-debug=*)
2353 debuglevel="$optval"
2354 ;;
2355 --disable-programs)
2356 disable $PROGRAM_LIST
2357 ;;
2358 --disable-everything)
2359 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2360 ;;
2361 --disable-all)
2362 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2363 disable $LIBRARY_LIST $PROGRAM_LIST doc
2364 ;;
2365 --enable-random|--disable-random)
2366 action=${opt%%-random}
2367 do_random ${action#--} $COMPONENT_LIST
2368 ;;
2369 --enable-random=*|--disable-random=*)
2370 action=${opt%%-random=*}
2371 do_random ${action#--} $optval
2372 ;;
2373 --enable-*=*|--disable-*=*)
2374 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2375 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2376 eval list=\$$(toupper $thing)_LIST
2377 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2378 $action $(filter "$name" $list)
2379 ;;
2380 --enable-avserver|--disable-avserver*)
2381 warn "avserver has been removed, the ${opt} option is only"\
2382 "provided for compatibility and will be removed in the future"
2383 ;;
2384 --enable-?*|--disable-?*)
2385 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2386 if is_in $option $COMPONENT_LIST; then
2387 test $action = disable && action=unset
2388 eval $action \$$(toupper ${option%s})_LIST
2389 elif is_in $option $CMDLINE_SELECT; then
2390 $action $option
2391 else
2392 die_unknown $opt
2393 fi
2394 ;;
2395 --list-*)
2396 NAME="${opt#--list-}"
2397 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2398 NAME=${NAME%s}
2399 eval show_list $NAME \$$(toupper $NAME)_LIST
2400 ;;
2401 --help|-h) show_help
2402 ;;
2403 *)
2404 optname="${opt%%=*}"
2405 optname="${optname#--}"
2406 optname=$(echo "$optname" | sed 's/-/_/g')
2407 if is_in $optname $CMDLINE_SET; then
2408 eval $optname='$optval'
2409 elif is_in $optname $CMDLINE_APPEND; then
2410 append $optname "$optval"
2411 else
2412 die_unknown $opt
2413 fi
2414 ;;
2415 esac
2416 done
2417
2418 disabled logging && logfile=/dev/null
2419
2420 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2421 set >> $logfile
2422
2423 test -n "$cross_prefix" && enable cross_compile
2424
2425 if enabled cross_compile; then
2426 test -n "$arch" && test -n "$target_os" ||
2427 die "Must specify target arch and OS when cross-compiling"
2428 fi
2429
2430 ar_default="${cross_prefix}${ar_default}"
2431 cc_default="${cross_prefix}${cc_default}"
2432 nm_default="${cross_prefix}${nm_default}"
2433 pkg_config_default="${cross_prefix}${pkg_config_default}"
2434 ranlib="${cross_prefix}${ranlib}"
2435 strip="${cross_prefix}${strip}"
2436
2437 sysinclude_default="${sysroot}/usr/include"
2438
2439 case "$toolchain" in
2440 clang-asan)
2441 cc_default="clang"
2442 add_cflags -fsanitize=address
2443 add_ldflags -fsanitize=address
2444 ;;
2445 clang-tsan)
2446 cc_default="clang"
2447 add_cflags -fsanitize=thread -pie
2448 add_ldflags -fsanitize=thread -pie
2449 ;;
2450 clang-usan)
2451 cc_default="clang"
2452 add_cflags -fsanitize=undefined -O1
2453 add_ldflags -fsanitize=undefined
2454 ;;
2455 gcc-asan)
2456 cc_default="gcc"
2457 add_cflags -fsanitize=address
2458 add_ldflags -fsanitize=address
2459 ;;
2460 gcc-tsan)
2461 cc_default="gcc"
2462 add_cflags -fsanitize=thread -pie -fPIC
2463 add_ldflags -fsanitize=thread -pie -fPIC
2464 ;;
2465 gcc-usan)
2466 cc_default="gcc"
2467 add_cflags -fsanitize=undefined
2468 add_ldflags -fsanitize=undefined
2469 ;;
2470 valgrind-massif)
2471 target_exec_default="valgrind"
2472 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2473 ;;
2474 valgrind-memcheck)
2475 target_exec_default="valgrind"
2476 target_exec_args="--track-origins=yes --leak-check=full"
2477 ;;
2478 msvc)
2479 # Check whether the current MSVC version needs the C99 converter.
2480 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2481 # support enough of C99 to build libav. Default to the new
2482 # behaviour if the regexp was unable to match anything, since this
2483 # successfully parses the version number of existing supported
2484 # versions that require the converter (MSVC 2010 and 2012).
2485 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2486 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2487 cc_default="cl"
2488 else
2489 cc_default="c99wrap cl"
2490 fi
2491 ld_default="link"
2492 nm_default="dumpbin -symbols"
2493 ar_default="lib"
2494 target_os_default="win32"
2495 # Use a relative path for TMPDIR. This makes sure all the
2496 # ffconf temp files are written with a relative path, avoiding
2497 # issues with msys/win32 path conversion for MSVC parameters
2498 # such as -Fo<file> or -out:<file>.
2499 TMPDIR=.
2500 ;;
2501 icl)
2502 cc_default="icl"
2503 ld_default="xilink"
2504 nm_default="dumpbin -symbols"
2505 ar_default="xilib"
2506 target_os_default="win32"
2507 TMPDIR=.
2508 ;;
2509 gcov)
2510 add_cflags -fprofile-arcs -ftest-coverage
2511 add_ldflags -fprofile-arcs -ftest-coverage
2512 ;;
2513 hardened)
2514 add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all
2515 add_ldflags -Wl,-z,relro -Wl,-z,now
2516 ;;
2517 ?*)
2518 die "Unknown toolchain $toolchain"
2519 ;;
2520 esac
2521
2522 set_default arch cc pkg_config sysinclude target_exec target_os
2523 enabled cross_compile || host_cc_default=$cc
2524 set_default host_cc
2525
2526 if ! $pkg_config --version >/dev/null 2>&1; then
2527 warn "$pkg_config not found, library detection may fail."
2528 pkg_config=false
2529 fi
2530
2531 exesuf() {
2532 case $1 in
2533 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2534 esac
2535 }
2536
2537 EXESUF=$(exesuf $target_os)
2538 HOSTEXESUF=$(exesuf $host_os)
2539
2540 # set temporary file name
2541 : ${TMPDIR:=$TEMPDIR}
2542 : ${TMPDIR:=$TMP}
2543 : ${TMPDIR:=/tmp}
2544
2545 if ! check_cmd mktemp -u XXXXXX; then
2546 # simple replacement for missing mktemp
2547 # NOT SAFE FOR GENERAL USE
2548 mktemp(){
2549 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2550 }
2551 fi
2552
2553 tmpfile(){
2554 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2555 (set -C; exec > $tmp) 2>/dev/null ||
2556 die "Unable to create temporary file in $TMPDIR."
2557 append TMPFILES $tmp
2558 eval $1=$tmp
2559 }
2560
2561 trap 'rm -f -- $TMPFILES' EXIT
2562
2563 tmpfile TMPASM .asm
2564 tmpfile TMPC .c
2565 tmpfile TMPE $EXESUF
2566 tmpfile TMPH .h
2567 tmpfile TMPO .o
2568 tmpfile TMPS .S
2569 tmpfile TMPSH .sh
2570 tmpfile TMPV .ver
2571
2572 unset -f mktemp
2573
2574 chmod +x $TMPE
2575
2576 # make sure we can execute files in $TMPDIR
2577 cat > $TMPSH 2>> $logfile <<EOF
2578 #! /bin/sh
2579 EOF
2580 chmod +x $TMPSH >> $logfile 2>&1
2581 if ! $TMPSH >> $logfile 2>&1; then
2582 cat <<EOF
2583 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2584 variable to another directory and make sure that it is not mounted noexec.
2585 EOF
2586 die "Sanity test failed."
2587 fi
2588
2589 ccc_flags(){
2590 for flag; do
2591 case $flag in
2592 -std=c99) echo -c99 ;;
2593 -mcpu=*) echo -arch ${flag#*=} ;;
2594 -mieee) echo -ieee ;;
2595 -O*|-fast) echo $flag ;;
2596 -fno-math-errno) echo -assume nomath_errno ;;
2597 -g) echo -g3 ;;
2598 -Wall) echo -msg_enable level2 ;;
2599 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2600 -Wl,*) echo $flag ;;
2601 -f*|-W*) ;;
2602 *) echo $flag ;;
2603 esac
2604 done
2605 }
2606
2607 cparser_flags(){
2608 for flag; do
2609 case $flag in
2610 -Wno-switch) echo -Wno-switch-enum ;;
2611 -Wno-format-zero-length) ;;
2612 -Wdisabled-optimization) ;;
2613 -Wno-pointer-sign) echo -Wno-other ;;
2614 *) echo $flag ;;
2615 esac
2616 done
2617 }
2618
2619 msvc_common_flags(){
2620 for flag; do
2621 case $flag in
2622 # In addition to specifying certain flags under the compiler
2623 # specific filters, they must be specified here as well or else the
2624 # generic catch all at the bottom will print the original flag.
2625 -Wall) ;;
2626 -std=c99) ;;
2627 # Common flags
2628 -fomit-frame-pointer) ;;
2629 -g) echo -Z7 ;;
2630 -fno-math-errno) ;;
2631 -fno-common) ;;
2632 -fno-signed-zeros) ;;
2633 -fPIC) ;;
2634 -mthumb) ;;
2635 -march=*) ;;
2636 -lz) echo zlib.lib ;;
2637 -lavifil32) echo vfw32.lib ;;
2638 -lavicap32) echo vfw32.lib user32.lib ;;
2639 -l*) echo ${flag#-l}.lib ;;
2640 *) echo $flag ;;
2641 esac
2642 done
2643 }
2644
2645 msvc_flags(){
2646 msvc_common_flags "$@"
2647 for flag; do
2648 case $flag in
2649 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2650 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2651 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2652 -wd4273 ;;
2653 esac
2654 done
2655 }
2656
2657 icl_flags(){
2658 msvc_common_flags "$@"
2659 for flag; do
2660 case $flag in
2661 # Despite what Intel's documentation says -Wall, which is supported
2662 # on Windows, does enable remarks so disable them here.
2663 -Wall) echo $flag -Qdiag-disable:remark ;;
2664 -std=c99) echo -Qstd=c99 ;;
2665 esac
2666 done
2667 }
2668
2669 pgi_flags(){
2670 for flag; do
2671 case $flag in
2672 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2673 -fomit-frame-pointer) echo -Mnoframe ;;
2674 -g) echo -gopt ;;
2675 *) echo $flag ;;
2676 esac
2677 done
2678 }
2679
2680 suncc_flags(){
2681 for flag; do
2682 case $flag in
2683 -march=*|-mcpu=*)
2684 case "${flag#*=}" in
2685 native) echo -xtarget=native ;;
2686 v9|niagara) echo -xarch=sparc ;;
2687 ultrasparc) echo -xarch=sparcvis ;;
2688 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2689 i586|pentium) echo -xchip=pentium ;;
2690 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2691 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2692 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2693 pentium4*) echo -xtarget=pentium4 ;;
2694 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2695 *-sse3) echo -xarch=sse3 ;;
2696 core2) echo -xarch=ssse3 -xchip=core2 ;;
2697 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2698 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2699 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
2700 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2701 k8|opteron|athlon64|athlon-fx)
2702 echo -xarch=sse2a ;;
2703 athlon*) echo -xarch=pentium_proa ;;
2704 esac
2705 ;;
2706 -std=c99) echo -xc99 ;;
2707 -fomit-frame-pointer) echo -xregs=frameptr ;;
2708 -fPIC) echo -KPIC -xcode=pic32 ;;
2709 -W*,*) echo $flag ;;
2710 -f*-*|-W*|-mimpure-text) ;;
2711 -shared) echo -G ;;
2712 *) echo $flag ;;
2713 esac
2714 done
2715 }
2716
2717 tms470_flags(){
2718 for flag; do
2719 case $flag in
2720 -march=*|-mcpu=*)
2721 case "${flag#*=}" in
2722 armv7-a|cortex-a*) echo -mv=7a8 ;;
2723 armv7-r|cortex-r*) echo -mv=7r4 ;;
2724 armv7-m|cortex-m*) echo -mv=7m3 ;;
2725 armv6*|arm11*) echo -mv=6 ;;
2726 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2727 echo -mv=5e ;;
2728 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2729 esac
2730 ;;
2731 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2732 -mfpu=vfp) echo --float_support=vfpv2 ;;
2733 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2734 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
2735 -msoft-float) echo --float_support=vfplib ;;
2736 -O[0-3]|-mf=*) echo $flag ;;
2737 -g) echo -g -mn ;;
2738 -pds=*) echo $flag ;;
2739 -D*|-I*) echo $flag ;;
2740 --gcc|--abi=*) echo $flag ;;
2741 -me) echo $flag ;;
2742 esac
2743 done
2744 }
2745
2746 probe_cc(){
2747 pfx=$1
2748 _cc=$2
2749
2750 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2751 unset _ld_o _ldflags _ld_lib _ld_path
2752 unset _depflags _DEPCMD _DEPFLAGS
2753 _flags_filter=echo
2754
2755 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2756 _type=llvm_gcc
2757 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2758 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2759 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2760 _cflags_speed='-O3'
2761 _cflags_size='-Os'
2762 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2763 _type=gcc
2764 gcc_version=$($_cc --version | head -n1)
2765 gcc_basever=$($_cc -dumpversion)
2766 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2767 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2768 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2769 if ! $_cc -dumpversion | grep -q '^2\.'; then
2770 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2771 fi
2772 _cflags_speed='-O3'
2773 _cflags_size='-Os'
2774 elif $_cc --version 2>/dev/null | grep -q ^icc; then
2775 _type=icc
2776 _ident=$($_cc --version | head -n1)
2777 _depflags='-MMD'
2778 _cflags_speed='-O3'
2779 _cflags_size='-Os'
2780 _cflags_noopt='-O1'
2781 elif $_cc -v 2>&1 | grep -q xlc; then
2782 _type=xlc
2783 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2784 _cflags_speed='-O5'
2785 _cflags_size='-O5 -qcompact'
2786 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2787 _type=ccc
2788 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2789 _DEPFLAGS='-M'
2790 _cflags_speed='-fast'
2791 _cflags_size='-O1'
2792 _flags_filter=ccc_flags
2793 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
2794 test -d "$sysroot" || die "No valid sysroot specified."
2795 _type=armcc
2796 _ident=$($_cc --vsn | head -n1 | sed 's/.*: //')
2797 armcc_conf="$PWD/armcc.conf"
2798 $_cc --arm_linux_configure \
2799 --arm_linux_config_file="$armcc_conf" \
2800 --configure_sysroot="$sysroot" \
2801 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2802 die "Error creating armcc configuration file."
2803 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2804 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2805 as_default="${cross_prefix}gcc"
2806 _depflags='-MMD'
2807 _cflags_speed='-O3'
2808 _cflags_size='-Os'
2809 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2810 _type=tms470
2811 _ident=$($_cc -version | head -n1 | tr -s ' ')
2812 _flags='--gcc --abi=eabi -me'
2813 _cc_e='-ppl -fe=$@'
2814 _cc_o='-fe=$@'
2815 _depflags='-ppa -ppd=$(@:.o=.d)'
2816 _cflags_speed='-O3 -mf=5'
2817 _cflags_size='-O3 -mf=2'
2818 _flags_filter=tms470_flags
2819 elif $_cc -v 2>&1 | grep -q clang; then
2820 _type=clang
2821 _ident=$($_cc --version | head -n1)
2822 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2823 _cflags_speed='-O3'
2824 _cflags_size='-Os'
2825 elif $_cc -V 2>&1 | grep -q Sun; then
2826 _type=suncc
2827 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2828 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2829 _DEPFLAGS='-xM1 -xc99'
2830 _ldflags='-std=c99'
2831 _cflags_speed='-O5'
2832 _cflags_size='-O5 -xspace'
2833 _flags_filter=suncc_flags
2834 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2835 _type=pathscale
2836 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2837 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2838 _cflags_speed='-O2'
2839 _cflags_size='-Os'
2840 _flags_filter='filter_out -Wdisabled-optimization'
2841 elif $_cc -v 2>&1 | grep -q Open64; then
2842 _type=open64
2843 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2844 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2845 _cflags_speed='-O2'
2846 _cflags_size='-Os'
2847 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2848 elif $_cc -V 2>&1 | grep -q Portland; then
2849 _type=pgi
2850 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2851 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
2852 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2853 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2854 _cflags_noopt="-O1"
2855 _flags_filter=pgi_flags
2856 elif $_cc 2>&1 | grep -q Microsoft; then
2857 _type=msvc
2858 _ident=$($cc 2>&1 | head -n1)
2859 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2860 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2861 _cflags_speed="-O2"
2862 _cflags_size="-O1"
2863 if $_cc 2>&1 | grep -q Linker; then
2864 _ld_o='-out:$@'
2865 else
2866 _ld_o='-Fe$@'
2867 fi
2868 _cc_o='-Fo$@'
2869 _cc_e='-P -Fi$@'
2870 _flags_filter=msvc_flags
2871 _ld_lib='lib%.a'
2872 _ld_path='-libpath:'
2873 _flags='-nologo'
2874 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2875 if [ $pfx = hostcc ]; then
2876 append _cflags -Dsnprintf=_snprintf
2877 fi
2878 elif $_cc 2>&1 | grep -q Intel; then
2879 _type=icl
2880 _ident=$($cc 2>&1 | head -n1)
2881 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
2882 # Not only is O3 broken on 13.x+ but it is slower on all previous
2883 # versions (tested) as well.
2884 _cflags_speed="-O2"
2885 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
2886 if $_cc 2>&1 | grep -q Linker; then
2887 _ld_o='-out:$@'
2888 else
2889 _ld_o='-Fe$@'
2890 fi
2891 _cc_o='-Fo$@'
2892 _cc_e='-P'
2893 _flags_filter=icl_flags
2894 _ld_lib='lib%.a'
2895 _ld_path='-libpath:'
2896 # -Qdiag-error to make icl error when seeing certain unknown arguments
2897 _flags='-nologo -Qdiag-error:4044,10157'
2898 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
2899 # with MSVC which enables it by default.
2900 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
2901 if [ $pfx = hostcc ]; then
2902 append _cflags -Dsnprintf=_snprintf
2903 fi
2904 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
2905 _type=cparser
2906 _ident=$($_cc --version | head -n1)
2907 _depflags='-MMD'
2908 _cflags_speed='-O4'
2909 _cflags_size='-O2'
2910 _flags_filter=cparser_flags
2911 fi
2912
2913 eval ${pfx}_type=\$_type
2914 eval ${pfx}_ident=\$_ident
2915 }
2916
2917 set_ccvars(){
2918 eval ${1}_C=\${_cc_c-\${${1}_C}}
2919 eval ${1}_E=\${_cc_e-\${${1}_E}}
2920 eval ${1}_O=\${_cc_o-\${${1}_O}}
2921
2922 if [ -n "$_depflags" ]; then
2923 eval ${1}_DEPFLAGS=\$_depflags
2924 else
2925 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2926 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2927 eval DEP${1}FLAGS=\$_flags
2928 fi
2929 }
2930
2931 probe_cc cc "$cc"
2932 cflags_filter=$_flags_filter
2933 cflags_speed=$_cflags_speed
2934 cflags_size=$_cflags_size
2935 cflags_noopt=$_cflags_noopt
2936 add_cflags $_flags $_cflags
2937 cc_ldflags=$_ldflags
2938 set_ccvars CC
2939
2940 probe_cc hostcc "$host_cc"
2941 host_cflags_filter=$_flags_filter
2942 add_host_cflags $_flags $_cflags
2943 set_ccvars HOSTCC
2944
2945 test -n "$cc_type" && enable $cc_type ||
2946 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2947
2948 : ${as_default:=$cc}
2949 : ${dep_cc_default:=$cc}
2950 : ${ld_default:=$cc}
2951 : ${host_ld_default:=$host_cc}
2952 set_default ar as dep_cc ld host_ld
2953
2954 probe_cc as "$as"
2955 asflags_filter=$_flags_filter
2956 add_asflags $_flags $_cflags
2957 set_ccvars AS
2958
2959 probe_cc ld "$ld"
2960 ldflags_filter=$_flags_filter
2961 add_ldflags $_flags $_ldflags
2962 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2963 LD_O=${_ld_o-$LD_O}
2964 LD_LIB=${_ld_lib-$LD_LIB}
2965 LD_PATH=${_ld_path-$LD_PATH}
2966
2967 probe_cc hostld "$host_ld"
2968 host_ldflags_filter=$_flags_filter
2969 add_host_ldflags $_flags $_ldflags
2970 HOSTLD_O=${_ld_o-$HOSTLD_O}
2971
2972 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2973 probe_cc depcc "$dep_cc"
2974 CCDEP=${_DEPCMD:-$DEPCMD}
2975 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2976 DEPCCFLAGS=$_flags
2977 fi
2978
2979 if $ar 2>&1 | grep -q Microsoft; then
2980 arflags="-nologo"
2981 ar_o='-out:$@'
2982 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2983 arflags="rq"
2984 ar_o='$@'
2985 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
2986 arflags='-Xany -r -c'
2987 ar_o='$@'
2988 else
2989 arflags="rc"
2990 ar_o='$@'
2991 fi
2992
2993 add_cflags $extra_cflags
2994 add_asflags $extra_cflags
2995
2996 if test -n "$sysroot"; then
2997 case "$cc_type" in
2998 gcc|llvm_gcc|clang)
2999 add_cppflags --sysroot="$sysroot"
3000 add_ldflags --sysroot="$sysroot"
3001 ;;
3002 tms470)
3003 add_cppflags -I"$sysinclude"
3004 add_ldflags --sysroot="$sysroot"
3005 ;;
3006 esac
3007 fi
3008
3009 if test "$cpu" = host; then
3010 enabled cross_compile &&
3011 die "--cpu=host makes no sense when cross-compiling."
3012
3013 case "$cc_type" in
3014 gcc|llvm_gcc)
3015 check_native(){
3016 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3017 sed -n "/cc1.*$1=/{
3018 s/.*$1=\\([^ ]*\\).*/\\1/
3019 p
3020 q
3021 }" $TMPE
3022 }
3023 cpu=$(check_native -march || check_native -mcpu)
3024 ;;
3025 esac
3026
3027 test "${cpu:-host}" = host &&
3028 die "--cpu=host not supported with compiler $cc"
3029 fi
3030
3031 # Deal with common $arch aliases
3032 case "$arch" in
3033 aarch64|arm64)
3034 arch="aarch64"
3035 ;;
3036 arm*)
3037 arch="arm"
3038 ;;
3039 mips*|IP*)
3040 arch="mips"
3041 ;;
3042 parisc*|hppa*)
3043 arch="parisc"
3044 ;;
3045 "Power Macintosh"|ppc*|powerpc*)
3046 arch="ppc"
3047 ;;
3048 s390|s390x)
3049 arch="s390"
3050 ;;
3051 sh4|sh)
3052 arch="sh4"
3053 ;;
3054 sun4u|sparc*)
3055 arch="sparc"
3056 ;;
3057 tilegx|tile-gx)
3058 arch="tilegx"
3059 ;;
3060 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3061 arch="x86"
3062 ;;
3063 esac
3064
3065 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3066 enable $arch
3067
3068 # Add processor-specific flags
3069 if enabled aarch64; then
3070
3071 case $cpu in
3072 armv*)
3073 cpuflags="-march=$cpu"
3074 ;;
3075 *)
3076 cpuflags="-mcpu=$cpu"
3077 ;;
3078 esac
3079
3080 elif enabled alpha; then
3081
3082 cpuflags="-mcpu=$cpu"
3083
3084 elif enabled arm; then
3085
3086 check_arm_arch() {
3087 check_cpp_condition stddef.h \
3088 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3089 $cpuflags
3090 }
3091
3092 probe_arm_arch() {
3093 if check_arm_arch 4; then echo armv4;
3094 elif check_arm_arch 4T; then echo armv4t;
3095 elif check_arm_arch 5; then echo armv5;
3096 elif check_arm_arch 5E; then echo armv5e;
3097 elif check_arm_arch 5T; then echo armv5t;
3098 elif check_arm_arch 5TE; then echo armv5te;
3099 elif check_arm_arch 5TEJ; then echo armv5te;
3100 elif check_arm_arch 6; then echo armv6;
3101 elif check_arm_arch 6J; then echo armv6j;
3102 elif check_arm_arch 6K; then echo armv6k;
3103 elif check_arm_arch 6Z; then echo armv6z;
3104 elif check_arm_arch 6ZK; then echo armv6zk;
3105 elif check_arm_arch 6T2; then echo armv6t2;
3106 elif check_arm_arch 7; then echo armv7;
3107 elif check_arm_arch 7A 7_A; then echo armv7-a;
3108 elif check_arm_arch 7R 7_R; then echo armv7-r;
3109 elif check_arm_arch 7M 7_M; then echo armv7-m;
3110 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3111 elif check_arm_arch 8A 8_A; then echo armv8-a;
3112 fi
3113 }
3114
3115 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3116
3117 case $cpu in
3118 armv*)
3119 cpuflags="-march=$cpu"
3120 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3121 ;;
3122 *)
3123 cpuflags="-mcpu=$cpu"
3124 case $cpu in
3125 cortex-a*) subarch=armv7a ;;
3126 cortex-r*) subarch=armv7r ;;
3127 cortex-m*) enable thumb; subarch=armv7m ;;
3128 arm11*) subarch=armv6 ;;
3129 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3130 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3131 *) subarch=$(probe_arm_arch) ;;
3132 esac
3133 ;;
3134 esac
3135
3136 case "$subarch" in
3137 armv5t*) enable fast_clz ;;
3138 armv[6-8]*) enable fast_clz fast_unaligned ;;
3139 esac
3140
3141 elif enabled avr32; then
3142
3143 case $cpu in
3144 ap7[02]0[0-2])
3145 subarch="avr32_ap"
3146 cpuflags="-mpart=$cpu"
3147 ;;
3148 ap)
3149 subarch="avr32_ap"
3150 cpuflags="-march=$cpu"
3151 ;;
3152 uc3[ab]*)
3153 subarch="avr32_uc"
3154 cpuflags="-mcpu=$cpu"
3155 ;;
3156 uc)
3157 subarch="avr32_uc"
3158 cpuflags="-march=$cpu"
3159 ;;
3160 esac
3161
3162 elif enabled bfin; then
3163
3164 cpuflags="-mcpu=$cpu"
3165
3166 elif enabled mips; then
3167
3168 cpuflags="-march=$cpu"
3169
3170 elif enabled ppc; then
3171
3172 disable ldbrx
3173
3174 case $(tolower $cpu) in
3175 601|ppc601|powerpc601)
3176 cpuflags="-mcpu=601"
3177 disable altivec
3178 ;;
3179 603*|ppc603*|powerpc603*)
3180 cpuflags="-mcpu=603"
3181 disable altivec
3182 ;;
3183 604*|ppc604*|powerpc604*)
3184 cpuflags="-mcpu=604"
3185 disable altivec
3186 ;;
3187 g3|75*|ppc75*|powerpc75*)
3188 cpuflags="-mcpu=750"
3189 disable altivec
3190 ;;
3191 g4|745*|ppc745*|powerpc745*)
3192 cpuflags="-mcpu=7450"
3193 ;;
3194 74*|ppc74*|powerpc74*)
3195 cpuflags="-mcpu=7400"
3196 ;;
3197 g5|970|ppc970|powerpc970)
3198 cpuflags="-mcpu=970"
3199 ;;
3200 power[3-7]*)
3201 cpuflags="-mcpu=$cpu"
3202 ;;
3203 cell)
3204 cpuflags="-mcpu=cell"
3205 enable ldbrx
3206 ;;
3207 e500mc)
3208 cpuflags="-mcpu=e500mc"
3209 disable altivec
3210 ;;
3211 e500v2)
3212 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3213 disable altivec
3214 disable dcbzl
3215 ;;
3216 e500)
3217 cpuflags="-mcpu=8540 -mhard-float"
3218 disable altivec
3219 disable dcbzl
3220 ;;
3221 esac
3222
3223 elif enabled sparc; then
3224
3225 case $cpu in
3226 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3227 cpuflags="-mcpu=$cpu"
3228 ;;
3229 ultrasparc*|niagara[234])
3230 cpuflags="-mcpu=$cpu"
3231 ;;
3232 esac
3233
3234 elif enabled x86; then
3235
3236 case $cpu in
3237 i[345]86|pentium)
3238 cpuflags="-march=$cpu"
3239 disable mmx
3240 ;;
3241 # targets that do NOT support nopl and conditional mov (cmov)
3242 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3243 cpuflags="-march=$cpu"
3244 disable i686
3245 ;;
3246 # targets that do support nopl and conditional mov (cmov)
3247 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3248 cpuflags="-march=$cpu"
3249 enable i686
3250 enable fast_cmov
3251 ;;
3252 # targets that do support conditional mov but on which it's slow
3253 pentium4|pentium4m|prescott|nocona)
3254 cpuflags="-march=$cpu"
3255 enable i686
3256 disable fast_cmov
3257 ;;
3258 esac
3259
3260 fi
3261
3262 if [ "$cpu" != generic ]; then
3263 add_cflags $cpuflags
3264 add_asflags $cpuflags
3265 fi
3266
3267 # compiler sanity check
3268 check_exec <<EOF
3269 int main(void){ return 0; }
3270 EOF
3271 if test "$?" != 0; then
3272 echo "$cc is unable to create an executable file."
3273 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3274 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3275 echo "Only do this if you know what cross compiling means."
3276 fi
3277 die "C compiler test failed."
3278 fi
3279
3280 add_cppflags -D_ISOC99_SOURCE
3281 check_cflags -std=c99
3282 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3283 #include <stdlib.h>
3284 EOF
3285 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3286 #include <stdlib.h>
3287 EOF
3288
3289 add_host_cppflags -D_ISOC99_SOURCE
3290 check_host_cflags -std=c99
3291 check_host_cflags -Wall
3292 check_host_cflags -O3
3293
3294 check_64bit(){
3295 arch32=$1
3296 arch64=$2
3297 expr=$3
3298 check_code cc "" "int test[2*($expr) - 1]" &&
3299 subarch=$arch64 || subarch=$arch32
3300 }
3301
3302 case "$arch" in
3303 aarch64|alpha|ia64)
3304 spic=$shared
3305 ;;
3306 mips)
3307 check_64bit mips mips64 '_MIPS_SIM > 1'
3308 spic=$shared
3309 ;;
3310 parisc)
3311 check_64bit parisc parisc64 'sizeof(void *) > 4'
3312 spic=$shared
3313 ;;
3314 ppc)
3315 check_64bit ppc ppc64 'sizeof(void *) > 4'
3316 spic=$shared
3317 ;;
3318 s390)
3319 check_64bit s390 s390x 'sizeof(void *) > 4'
3320 spic=$shared
3321 ;;
3322 sparc)
3323 check_64bit sparc sparc64 'sizeof(void *) > 4'
3324 spic=$shared
3325 ;;
3326 x86)
3327 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3328 if test "$subarch" = "x86_64"; then
3329 spic=$shared
3330 fi
3331 ;;
3332 esac
3333
3334 enable $subarch
3335 enabled spic && enable_weak pic
3336
3337 # OS specific
3338 case $target_os in
3339 aix)
3340 SHFLAGS=-shared
3341 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3342 enabled shared && add_ldflags -Wl,-brtl
3343 ;;
3344 android)
3345 disable symver
3346 SLIB_INSTALL_NAME='$(SLIBNAME)'
3347 SLIB_INSTALL_LINKS=
3348 # soname not set on purpose
3349 SHFLAGS=-shared
3350 ;;
3351 haiku)
3352 prefix_default="/boot/common"
3353 network_extralibs="-lnetwork"
3354 host_libs=
3355 ;;
3356 sunos)
3357 SHFLAGS='-shared -Wl,-h,$$(@F)'
3358 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3359 network_extralibs="-lsocket -lnsl"
3360 # When using suncc to build, the Solaris linker will mark
3361 # an executable with each instruction set encountered by
3362 # the Solaris assembler. As our libraries contain their own
3363 # guards for processor-specific code, instead suppress
3364 # generation of the HWCAPS ELF section on Solaris x86 only.
3365 enabled_all suncc x86 &&
3366 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3367 add_ldflags -Wl,-M,mapfile
3368 nm_default='nm -P -g'
3369 ;;
3370 netbsd)
3371 disable symver
3372 oss_indev_extralibs="-lossaudio"
3373 oss_outdev_extralibs="-lossaudio"
3374 ;;
3375 openbsd|bitrig)
3376 disable symver
3377 SHFLAGS='-shared'
3378 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3379 SLIB_INSTALL_LINKS=
3380 oss_indev_extralibs="-lossaudio"
3381 oss_outdev_extralibs="-lossaudio"
3382 ;;
3383 dragonfly)
3384 disable symver
3385 ;;
3386 freebsd)
3387 ;;
3388 bsd/os)
3389 add_extralibs -lpoll -lgnugetopt
3390 ;;
3391 darwin)
3392 gas="gas-preprocessor.pl $cc"
3393 enabled ppc && add_asflags -force_cpusubtype_ALL
3394 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3395 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3396 add_ldflags -Wl,-dynamic,-search_paths_first
3397 SLIBSUF=".dylib"
3398 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3399 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3400 objformat="macho"
3401 enabled x86_64 && objformat="macho64"
3402 enabled_any pic shared ||
3403 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3404 ;;
3405 mingw32*)
3406 if test $target_os = "mingw32ce"; then
3407 disable network
3408 else
3409 target_os=mingw32
3410 fi
3411 LIBTARGET=i386
3412 if enabled x86_64; then
3413 LIBTARGET="i386:x86-64"
3414 elif enabled arm; then
3415 LIBTARGET=arm-wince
3416 fi
3417 check_ldflags -Wl,--nxcompat
3418 check_ldflags -Wl,--dynamicbase
3419 shlibdir_default="$bindir_default"
3420 SLIBPREF=""
3421 SLIBSUF=".dll"
3422 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3423 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3424 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3425 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3426 SLIB_INSTALL_LINKS=
3427 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3428 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3429 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3430 objformat="win32"
3431 dlltool="${cross_prefix}dlltool"
3432 ranlib=:
3433 enable dos_paths
3434 ;;
3435 win32|win64)
3436 disable symver
3437 if enabled shared; then
3438 # Link to the import library instead of the normal static library
3439 # for shared libs.
3440 LD_LIB='%.lib'
3441 # Cannot build both shared and static libs with MSVC or icl.
3442 disable static
3443 fi
3444 shlibdir_default="$bindir_default"
3445 SLIBPREF=""
3446 SLIBSUF=".dll"
3447 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3448 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3449 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3450 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3451 SLIB_INSTALL_LINKS=
3452 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3453 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3454 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3455 objformat="win32"
3456 ranlib=:
3457 enable dos_paths
3458 ;;
3459 cygwin*)
3460 target_os=cygwin
3461 shlibdir_default="$bindir_default"
3462 SLIBPREF="cyg"
3463 SLIBSUF=".dll"
3464 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3465 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3466 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3467 SLIB_INSTALL_LINKS=
3468 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3469 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3470 objformat="win32"
3471 enable dos_paths
3472 ;;
3473 *-dos|freedos|opendos)
3474 network_extralibs="-lsocket"
3475 objformat="coff"
3476 enable dos_paths
3477 add_cppflags -U__STRICT_ANSI__
3478 ;;
3479 linux)
3480 enable dv1394
3481 ;;
3482 irix*)
3483 target_os=irix
3484 ranlib="echo ignoring ranlib"
3485 ;;
3486 os/2*)
3487 ln_s="cp -f"
3488 objformat="aout"
3489 add_cppflags -D_GNU_SOURCE
3490 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3491 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3492 LIBSUF="_s.a"
3493 SLIBPREF=""
3494 SLIBSUF=".dll"
3495 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3496 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3497 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3498 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3499 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3500 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3501 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3502 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3503 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3504 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3505 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3506 enable dos_paths
3507 ;;
3508 gnu/kfreebsd)
3509 add_cppflags -D_BSD_SOURCE
3510 ;;
3511 gnu)
3512 ;;
3513 qnx)
3514 add_cppflags -D_QNX_SOURCE
3515 network_extralibs="-lsocket"
3516 ;;
3517 symbian)
3518 SLIBSUF=".dll"
3519 enable dos_paths
3520 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3521 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3522 add_ldflags -Wl,--target1-abs,--no-undefined \
3523 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3524 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3525 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3526 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3527 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3528 ;;
3529 osf1)
3530 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3531 ;;
3532 minix)
3533 ;;
3534 plan9)
3535 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3536 -D_REENTRANT_SOURCE \
3537 -D_RESEARCH_SOURCE \
3538 -DFD_SETSIZE=96 \
3539 -DHAVE_SOCK_OPTS
3540 add_compat strtod.o strtod=avpriv_strtod
3541 network_extralibs='-lbsd'
3542 exeobjs=compat/plan9/main.o
3543 cp_f='cp'
3544 ;;
3545 none)
3546 ;;
3547 *)
3548 die "Unknown OS '$target_os'."
3549 ;;
3550 esac
3551
3552 # determine libc flavour
3553
3554 probe_libc(){
3555 pfx=$1
3556 pfx_no_=${pfx%_}
3557 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3558 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
3559 eval ${pfx}libc_type=uclibc
3560 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3561 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
3562 eval ${pfx}libc_type=glibc
3563 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3564 # MinGW headers can be installed on Cygwin, so check for newlib first.
3565 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3566 eval ${pfx}libc_type=newlib
3567 add_${pfx}cppflags -U__STRICT_ANSI__
3568 # MinGW64 is backwards compatible with MinGW32, so check for it first.
3569 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
3570 eval ${pfx}libc_type=mingw64
3571 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3572 eval test \$${pfx_no_}cc_type = "gcc" &&
3573 add_${pfx}cppflags -D__printf__=__gnu_printf__
3574 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
3575 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
3576 eval ${pfx}libc_type=mingw32
3577 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
3578 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3579 die "ERROR: MinGW32 runtime version must be >= 3.15."
3580 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3581 eval test \$${pfx_no_}cc_type = "gcc" &&
3582 add_${pfx}cppflags -D__printf__=__gnu_printf__
3583 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
3584 eval ${pfx}libc_type=msvcrt
3585 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3586 # 0x601 by default unless something else is set by the user.
3587 # This can easily lead to us detecting functions only present
3588 # in such new versions and producing binaries requiring windows 7.0.
3589 # Therefore explicitly set the default to XP unless the user has
3590 # set something else on the command line.
3591 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
3592 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
3593 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
3594 eval ${pfx}libc_type=klibc
3595 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3596 eval ${pfx}libc_type=bionic
3597 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
3598 eval ${pfx}libc_type=solaris
3599 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3600 fi
3601 }
3602
3603 probe_libc
3604 test -n "$libc_type" && enable libc_$libc_type
3605 probe_libc host_
3606 test -n "$host_libc_type" && enable host_libc_$host_libc_type
3607
3608 case $libc_type in
3609 bionic)
3610 add_compat strtod.o strtod=avpriv_strtod
3611 ;;
3612 msvcrt)
3613 add_compat strtod.o strtod=avpriv_strtod
3614 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3615 _snprintf=avpriv_snprintf \
3616 vsnprintf=avpriv_vsnprintf
3617 ;;
3618 esac
3619
3620 # hacks for compiler/libc/os combinations
3621
3622 if enabled_all tms470 libc_glibc; then
3623 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3624 add_cppflags -D__USER_LABEL_PREFIX__=
3625 add_cppflags -D__builtin_memset=memset
3626 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3627 add_cflags -pds=48 # incompatible redefinition of macro
3628 fi
3629
3630 if enabled_all ccc libc_glibc; then
3631 add_ldflags -Wl,-z,now # calls to libots crash without this
3632 fi
3633
3634 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
3635 add_cppflags '-I\$(SRC_PATH)/compat/float'
3636
3637 esc(){
3638 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3639 }
3640
3641 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
3642
3643 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
3644
3645 set_default $PATHS_LIST
3646 set_default nm
3647
3648 # we need to build at least one lib type
3649 if ! enabled_any static shared; then
3650 cat <<EOF
3651 At least one library type must be built.
3652 Specify --enable-static to build the static libraries or --enable-shared to
3653 build the shared libraries as well. To only build the shared libraries specify
3654 --disable-static in addition to --enable-shared.
3655 EOF
3656 exit 1;
3657 fi
3658
3659 die_license_disabled() {
3660 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3661 }
3662
3663 die_license_disabled gpl libcdio
3664 die_license_disabled gpl libx264
3665 die_license_disabled gpl libx265
3666 die_license_disabled gpl libxavs
3667 die_license_disabled gpl libxvid
3668 die_license_disabled gpl x11grab
3669
3670 die_license_disabled nonfree libfaac
3671 die_license_disabled nonfree libfdk_aac
3672 die_license_disabled nonfree openssl
3673
3674 die_license_disabled version3 libopencore_amrnb
3675 die_license_disabled version3 libopencore_amrwb
3676 die_license_disabled version3 libvo_aacenc
3677 die_license_disabled version3 libvo_amrwbenc
3678
3679 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3680
3681 disabled optimizations || check_cflags -fomit-frame-pointer
3682
3683 enable_weak_pic() {
3684 disabled pic && return
3685 enable pic
3686 add_cppflags -DPIC
3687 case "$target_os" in
3688 mingw*|cygwin*)
3689 ;;
3690 *)
3691 add_cflags -fPIC
3692 ;;
3693 esac
3694 add_asflags -fPIC
3695 }
3696
3697 enabled pic && enable_weak_pic
3698
3699 check_cc <<EOF || die "Symbol mangling check failed."
3700 int ff_extern;
3701 EOF
3702 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3703 extern_prefix=${sym%%ff_extern*}
3704