arm: Use .data.rel.ro for const data with relocations
[libav.git] / configure
1 #!/bin/sh
2 #
3 # Libav configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
43 fi
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken Libav."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
54 exit 1
55 fi
56
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
59 show_help(){
60 cat <<EOF
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
63
64 Help options:
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
77
78 Standard options:
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --prefix=PREFIX install in PREFIX [$prefix]
82 --bindir=DIR install binaries in DIR [PREFIX/bin]
83 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
84 --docdir=DIR install documentation in DIR [PREFIX/share/doc/libav]
85 --libdir=DIR install libs in DIR [PREFIX/lib]
86 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
87 --incdir=DIR install includes in DIR [PREFIX/include]
88 --mandir=DIR install man page in DIR [PREFIX/share/man]
89 --enable-rpath use rpath when linking programs [USE WITH CARE]
90
91 Licensing options:
92 --enable-gpl allow use of GPL code, the resulting libs
93 and binaries will be under GPL [no]
94 --enable-version3 upgrade (L)GPL to version 3 [no]
95 --enable-nonfree allow use of nonfree code, the resulting libs
96 and binaries will be unredistributable [no]
97
98 Configuration options:
99 --disable-static do not build static libraries [no]
100 --enable-shared build shared libraries [no]
101 --enable-small optimize for size instead of speed
102 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
103 --enable-gray enable full grayscale support (slower color)
104 --disable-swscale-alpha disable alpha channel support in swscale
105 --disable-all disable building components, libraries and programs
106
107 Program options:
108 --disable-programs do not build command line programs
109 --disable-avconv disable avconv build
110 --disable-avplay disable avplay build
111 --disable-avprobe disable avprobe build
112 --disable-avserver deprecated, does nothing
113
114 Component options:
115 --disable-doc do not build documentation
116 --disable-avdevice disable libavdevice build
117 --disable-avcodec disable libavcodec build
118 --disable-avformat disable libavformat build
119 --disable-avutil disable libavutil build
120 --disable-swscale disable libswscale build
121 --disable-avfilter disable video filter support [no]
122 --disable-avresample disable libavresample build [no]
123 --disable-pthreads disable pthreads [auto]
124 --disable-w32threads disable Win32 threads [auto]
125 --disable-network disable network support [no]
126 --disable-dct disable DCT code
127 --disable-error-resilience disable error resilience code
128 --disable-lsp disable LSP code
129 --disable-lzo disable LZO decoder code
130 --disable-mdct disable MDCT code
131 --disable-rdft disable RDFT code
132 --disable-fft disable FFT code
133 --disable-faan disable floating point AAN (I)DCT code
134
135 Hardware accelerators:
136 --enable-dxva2 enable DXVA2 code
137 --enable-vaapi enable VAAPI code
138 --enable-vda enable VDA code
139 --enable-vdpau enable VDPAU code
140
141 Individual component options:
142 --disable-everything disable all components listed below
143 --disable-encoder=NAME disable encoder NAME
144 --enable-encoder=NAME enable encoder NAME
145 --disable-encoders disable all encoders
146 --disable-decoder=NAME disable decoder NAME
147 --enable-decoder=NAME enable decoder NAME
148 --disable-decoders disable all decoders
149 --disable-hwaccel=NAME disable hwaccel NAME
150 --enable-hwaccel=NAME enable hwaccel NAME
151 --disable-hwaccels disable all hwaccels
152 --disable-muxer=NAME disable muxer NAME
153 --enable-muxer=NAME enable muxer NAME
154 --disable-muxers disable all muxers
155 --disable-demuxer=NAME disable demuxer NAME
156 --enable-demuxer=NAME enable demuxer NAME
157 --disable-demuxers disable all demuxers
158 --enable-parser=NAME enable parser NAME
159 --disable-parser=NAME disable parser NAME
160 --disable-parsers disable all parsers
161 --enable-bsf=NAME enable bitstream filter NAME
162 --disable-bsf=NAME disable bitstream filter NAME
163 --disable-bsfs disable all bitstream filters
164 --enable-protocol=NAME enable protocol NAME
165 --disable-protocol=NAME disable protocol NAME
166 --disable-protocols disable all protocols
167 --enable-indev=NAME enable input device NAME
168 --disable-indev=NAME disable input device NAME
169 --disable-indevs disable input devices
170 --enable-outdev=NAME enable output device NAME
171 --disable-outdev=NAME disable output device NAME
172 --disable-outdevs disable output devices
173 --disable-devices disable all devices
174 --enable-filter=NAME enable filter NAME
175 --disable-filter=NAME disable filter NAME
176 --disable-filters disable all filters
177
178 External library support:
179 --enable-avisynth enable reading of AviSynth script files [no]
180 --enable-bzlib enable bzlib [autodetect]
181 --enable-frei0r enable frei0r video filtering
182 --enable-gnutls enable gnutls [no]
183 --enable-libbs2b enable bs2b DSP library [no]
184 --enable-libcdio enable audio CD grabbing with libcdio
185 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
186 and libraw1394 [no]
187 --enable-libfaac enable AAC encoding via libfaac [no]
188 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
189 --enable-libfreetype enable libfreetype [no]
190 --enable-libgsm enable GSM de/encoding via libgsm [no]
191 --enable-libilbc enable iLBC de/encoding via libilbc [no]
192 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
193 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
194 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
195 --enable-libopencv enable video filtering via libopencv [no]
196 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
197 --enable-libopus enable Opus de/encoding via libopus [no]
198 --enable-libpulse enable Pulseaudio input via libpulse [no]
199 --enable-librtmp enable RTMP[E] support via librtmp [no]
200 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
201 --enable-libspeex enable Speex de/encoding via libspeex [no]
202 --enable-libtheora enable Theora encoding via libtheora [no]
203 --enable-libtwolame enable MP2 encoding via libtwolame [no]
204 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
205 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
206 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
207 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
208 --enable-libwavpack enable wavpack encoding via libwavpack [no]
209 --enable-libwebp enable WebP encoding via libwebp [no]
210 --enable-libx264 enable H.264 encoding via x264 [no]
211 --enable-libx265 enable HEVC encoding via x265 [no]
212 --enable-libxavs enable AVS encoding via xavs [no]
213 --enable-libxcb enable X11 grabbing using XCB [no]
214 --enable-libxcb-shm enable X11 grabbing shm communication [auto]
215 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [auto]
216 --enable-libxvid enable Xvid encoding via xvidcore,
217 native MPEG-4/Xvid encoder exists [no]
218 --enable-openssl enable openssl [no]
219 --enable-x11grab enable X11 grabbing (legacy) [no]
220 --enable-zlib enable zlib [autodetect]
221
222 Toolchain options:
223 --arch=ARCH select architecture [$arch]
224 --cpu=CPU select the minimum required CPU (affects
225 instruction selection, may crash on older CPUs)
226 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
227 --enable-cross-compile assume a cross-compiler is used
228 --sysroot=PATH root of cross-build tree
229 --sysinclude=PATH location of cross-build system headers
230 --target-os=OS compiler targets OS [$target_os]
231 --target-exec=CMD command to run executables on target
232 --target-path=DIR path to view of build directory on target
233 --target-samples=DIR path to samples directory on target
234 --toolchain=NAME set tool defaults according to NAME
235 --nm=NM use nm tool
236 --ar=AR use archive tool AR [$ar_default]
237 --as=AS use assembler AS [$as_default]
238 --cc=CC use C compiler CC [$cc_default]
239 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
240 --ld=LD use linker LD
241 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
242 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
243 --host-cc=HOSTCC use host C compiler HOSTCC
244 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
245 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
246 --host-ld=HOSTLD use host linker HOSTLD
247 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
248 --host-libs=HLIBS use libs HLIBS when linking for host
249 --host-os=OS compiler host OS [$target_os]
250 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
251 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
252 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
253 --extra-libs=ELIBS add ELIBS [$ELIBS]
254 --extra-version=STRING version string suffix []
255 --optflags=OPTFLAGS override optimization-related compiler flags
256 --build-suffix=SUFFIX library name suffix []
257 --enable-pic build position-independent code
258 --enable-thumb compile for Thumb instruction set
259 --enable-lto use link-time optimization
260
261 Advanced options (experts only):
262 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
263 --disable-symver disable symbol versioning
264 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
265 --disable-safe-bitstream-reader
266 disable buffer boundary checking in bitreaders
267 (faster, but may crash)
268 --enable-memalign-hack emulate memalign, interferes with memory debuggers
269 --enable-sram allow use of on-chip SRAM
270
271 Optimization options (experts only):
272 --disable-asm disable all assembly optimizations
273 --disable-altivec disable AltiVec optimizations
274 --disable-amd3dnow disable 3DNow! optimizations
275 --disable-amd3dnowext disable 3DNow! extended optimizations
276 --disable-mmx disable MMX optimizations
277 --disable-mmxext disable MMXEXT optimizations
278 --disable-sse disable SSE optimizations
279 --disable-sse2 disable SSE2 optimizations
280 --disable-sse3 disable SSE3 optimizations
281 --disable-ssse3 disable SSSE3 optimizations
282 --disable-sse4 disable SSE4 optimizations
283 --disable-sse42 disable SSE4.2 optimizations
284 --disable-avx disable AVX optimizations
285 --disable-xop disable XOP optimizations
286 --disable-fma3 disable FMA3 optimizations
287 --disable-fma4 disable FMA4 optimizations
288 --disable-avx2 disable AVX2 optimizations
289 --disable-armv5te disable armv5te optimizations
290 --disable-armv6 disable armv6 optimizations
291 --disable-armv6t2 disable armv6t2 optimizations
292 --disable-vfp disable VFP optimizations
293 --disable-neon disable NEON optimizations
294 --disable-inline-asm disable use of inline assembly
295 --disable-yasm disable use of nasm/yasm assembly
296
297 Developer options (useful when working on Libav itself):
298 --disable-debug disable debugging symbols
299 --enable-debug=LEVEL set the debug level [$debuglevel]
300 --disable-optimizations disable compiler optimizations
301 --enable-extra-warnings enable more compiler warnings
302 --samples=PATH location of test samples for FATE, if not set use
303 \$LIBAV_SAMPLES at make invocation time.
304 --enable-neon-clobber-test check NEON registers for clobbering (should be
305 used only for debugging purposes)
306 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
307 should be used only for debugging purposes)
308 --enable-random randomly enable/disable components
309 --disable-random
310 --enable-random=LIST randomly enable/disable specific components or
311 --disable-random=LIST component groups. LIST is a comma-separated list
312 of NAME[:PROB] entries where NAME is a component
313 (group) and PROB the probability associated with
314 NAME (default 0.5).
315 --random-seed=VALUE seed value for --enable/disable-random
316
317 NOTE: Object files are built at the place where configure is launched.
318 EOF
319 exit 0
320 }
321
322 quotes='""'
323
324 log(){
325 echo "$@" >> $logfile
326 }
327
328 log_file(){
329 log BEGIN $1
330 pr -n -t $1 >> $logfile
331 log END $1
332 }
333
334 echolog(){
335 log "$@"
336 echo "$@"
337 }
338
339 warn(){
340 log "WARNING: $*"
341 WARNINGS="${WARNINGS}WARNING: $*\n"
342 }
343
344 die(){
345 echolog "$@"
346 cat <<EOF
347
348 If you think configure made a mistake, make sure you are using the latest
349 version from Git. If the latest version fails, report the problem to the
350 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
351 EOF
352 if disabled logging; then
353 cat <<EOF
354 Rerun configure with logging enabled (do not use --disable-logging), and
355 include the log this produces with your report.
356 EOF
357 else
358 cat <<EOF
359 Include the log file "$logfile" produced by configure as this will help
360 solving the problem.
361 EOF
362 fi
363 exit 1
364 }
365
366 # Avoid locale weirdness, besides we really just want to translate ASCII.
367 toupper(){
368 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
369 }
370
371 tolower(){
372 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
373 }
374
375 c_escape(){
376 echo "$*" | sed 's/["\\]/\\\0/g'
377 }
378
379 sh_quote(){
380 v=$(echo "$1" | sed "s/'/'\\\\''/g")
381 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
382 echo "$v"
383 }
384
385 cleanws(){
386 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
387 }
388
389 filter(){
390 pat=$1
391 shift
392 for v; do
393 eval "case $v in $pat) echo $v ;; esac"
394 done
395 }
396
397 filter_out(){
398 pat=$1
399 shift
400 for v; do
401 eval "case $v in $pat) ;; *) echo $v ;; esac"
402 done
403 }
404
405 map(){
406 m=$1
407 shift
408 for v; do eval $m; done
409 }
410
411 add_suffix(){
412 suffix=$1
413 shift
414 for v; do echo ${v}${suffix}; done
415 }
416
417 set_all(){
418 value=$1
419 shift
420 for var in $*; do
421 eval $var=$value
422 done
423 }
424
425 set_weak(){
426 value=$1
427 shift
428 for var; do
429 eval : \${$var:=$value}
430 done
431 }
432
433 sanitize_var_name(){
434 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
435 }
436
437 set_safe(){
438 var=$1
439 shift
440 eval $(sanitize_var_name "$var")='$*'
441 }
442
443 get_safe(){
444 eval echo \$$(sanitize_var_name "$1")
445 }
446
447 pushvar(){
448 for pvar in $*; do
449 eval level=\${${pvar}_level:=0}
450 eval ${pvar}_${level}="\$$pvar"
451 eval ${pvar}_level=$(($level+1))
452 done
453 }
454
455 popvar(){
456 for pvar in $*; do
457 eval level=\${${pvar}_level:-0}
458 test $level = 0 && continue
459 eval level=$(($level-1))
460 eval $pvar="\${${pvar}_${level}}"
461 eval ${pvar}_level=$level
462 eval unset ${pvar}_${level}
463 done
464 }
465
466 enable(){
467 set_all yes $*
468 }
469
470 disable(){
471 set_all no $*
472 }
473
474 enable_weak(){
475 set_weak yes $*
476 }
477
478 disable_weak(){
479 set_weak no $*
480 }
481
482 enable_safe(){
483 for var; do
484 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
485 done
486 }
487
488 disable_safe(){
489 for var; do
490 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
491 done
492 }
493
494 do_enable_deep(){
495 for var; do
496 enabled $var && continue
497 eval sel="\$${var}_select"
498 eval sgs="\$${var}_suggest"
499 pushvar var sgs
500 enable_deep $sel
501 popvar sgs
502 enable_deep_weak $sgs
503 popvar var
504 done
505 }
506
507 enable_deep(){
508 do_enable_deep $*
509 enable $*
510 }
511
512 enable_deep_weak(){
513 for var; do
514 disabled $var && continue
515 pushvar var
516 do_enable_deep $var
517 popvar var
518 enable_weak $var
519 done
520 }
521
522 enabled(){
523 test "${1#!}" = "$1" && op== || op=!=
524 eval test "x\$${1#!}" $op "xyes"
525 }
526
527 disabled(){
528 test "${1#!}" = "$1" && op== || op=!=
529 eval test "x\$${1#!}" $op "xno"
530 }
531
532 enabled_all(){
533 for opt; do
534 enabled $opt || return 1
535 done
536 }
537
538 disabled_all(){
539 for opt; do
540 disabled $opt || return 1
541 done
542 }
543
544 enabled_any(){
545 for opt; do
546 enabled $opt && return 0
547 done
548 }
549
550 disabled_any(){
551 for opt; do
552 disabled $opt && return 0
553 done
554 return 1
555 }
556
557 set_default(){
558 for opt; do
559 eval : \${$opt:=\$${opt}_default}
560 done
561 }
562
563 is_in(){
564 value=$1
565 shift
566 for var in $*; do
567 [ $var = $value ] && return 0
568 done
569 return 1
570 }
571
572 do_check_deps(){
573 for cfg; do
574 cfg="${cfg#!}"
575 enabled ${cfg}_checking && die "Circular dependency for $cfg."
576 disabled ${cfg}_checking && continue
577 enable ${cfg}_checking
578 append allopts $cfg
579
580 eval dep_all="\$${cfg}_deps"
581 eval dep_any="\$${cfg}_deps_any"
582 eval dep_sel="\$${cfg}_select"
583 eval dep_sgs="\$${cfg}_suggest"
584 eval dep_ifa="\$${cfg}_if"
585 eval dep_ifn="\$${cfg}_if_any"
586
587 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
588 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
589 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
590
591 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
592 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
593 enabled_all $dep_all || disable $cfg
594 enabled_any $dep_any || disable $cfg
595 disabled_any $dep_sel && disable $cfg
596
597 if enabled $cfg; then
598 enable_deep $dep_sel
599 enable_deep_weak $dep_sgs
600 fi
601
602 disable ${cfg}_checking
603 done
604 }
605
606 check_deps(){
607 unset allopts
608
609 do_check_deps "$@"
610
611 for cfg in $allopts; do
612 enabled $cfg || continue
613 eval dep_extralibs="\$${cfg}_extralibs"
614 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
615 done
616 }
617
618 print_config(){
619 pfx=$1
620 files=$2
621 shift 2
622 map 'eval echo "$v \${$v:-no}"' "$@" |
623 awk "BEGIN { split(\"$files\", files) }
624 {
625 c = \"$pfx\" toupper(\$1);
626 v = \$2;
627 sub(/yes/, 1, v);
628 sub(/no/, 0, v);
629 for (f in files) {
630 file = files[f];
631 if (file ~ /\\.h\$/) {
632 printf(\"#define %s %d\\n\", c, v) >>file;
633 } else if (file ~ /\\.asm\$/) {
634 printf(\"%%define %s %d\\n\", c, v) >>file;
635 } else if (file ~ /\\.mak\$/) {
636 n = -v ? \"\" : \"!\";
637 printf(\"%s%s=yes\\n\", n, c) >>file;
638 }
639 }
640 }"
641 }
642
643 print_enabled(){
644 suf=$1
645 shift
646 for v; do
647 enabled $v && printf "%s\n" ${v%$suf};
648 done
649 }
650
651 append(){
652 var=$1
653 shift
654 eval "$var=\"\$$var $*\""
655 }
656
657 prepend(){
658 var=$1
659 shift
660 eval "$var=\"$* \$$var\""
661 }
662
663 unique(){
664 var=$1
665 uniq_list=""
666 for tok in $(eval echo \$$var); do
667 uniq_list="$(filter_out $tok $uniq_list) $tok"
668 done
669 eval "$var=\"${uniq_list}\""
670 }
671
672 add_cppflags(){
673 append CPPFLAGS "$@"
674 }
675
676 add_cflags(){
677 append CFLAGS $($cflags_filter "$@")
678 }
679
680 add_asflags(){
681 append ASFLAGS $($asflags_filter "$@")
682 }
683
684 add_ldflags(){
685 append LDFLAGS $($ldflags_filter "$@")
686 }
687
688 add_ldexeflags(){
689 append LDEXEFLAGS $($ldflags_filter "$@")
690 }
691
692 add_stripflags(){
693 append STRIPFLAGS "$@"
694 }
695
696 add_extralibs(){
697 prepend extralibs $($ldflags_filter "$@")
698 }
699
700 add_host_cppflags(){
701 append host_cppflags "$@"
702 }
703
704 add_host_cflags(){
705 append host_cflags $($host_cflags_filter "$@")
706 }
707
708 add_host_ldflags(){
709 append host_ldflags $($host_ldflags_filter "$@")
710 }
711
712 add_compat(){
713 append compat_objs $1
714 shift
715 map 'add_cppflags -D$v' "$@"
716 }
717
718 check_cmd(){
719 log "$@"
720 "$@" >> $logfile 2>&1
721 }
722
723 cc_o(){
724 eval printf '%s\\n' $CC_O
725 }
726
727 cc_e(){
728 eval printf '%s\\n' $CC_E
729 }
730
731 check_cc(){
732 log check_cc "$@"
733 cat > $TMPC
734 log_file $TMPC
735 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
736 }
737
738 check_cpp(){
739 log check_cpp "$@"
740 cat > $TMPC
741 log_file $TMPC
742 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
743 }
744
745 as_o(){
746 eval printf '%s\\n' $AS_O
747 }
748
749 check_as(){
750 log check_as "$@"
751 cat > $TMPS
752 log_file $TMPS
753 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
754 }
755
756 check_inline_asm(){
757 log check_inline_asm "$@"
758 name="$1"
759 code="$2"
760 shift 2
761 disable $name
762 check_cc "$@" <<EOF && enable $name
763 void foo(void){ __asm__ volatile($code); }
764 EOF
765 }
766
767 check_insn(){
768 log check_insn "$@"
769 check_inline_asm ${1}_inline "\"$2\""
770 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
771 }
772
773 check_yasm(){
774 log check_yasm "$@"
775 echo "$1" > $TMPS
776 log_file $TMPS
777 shift 1
778 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
779 }
780
781 ld_o(){
782 eval printf '%s\\n' $LD_O
783 }
784
785 check_ld(){
786 log check_ld "$@"
787 flags=$(filter_out '-l*' "$@")
788 libs=$(filter '-l*' "$@")
789 check_cc $($cflags_filter $flags) || return
790 flags=$($ldflags_filter $flags)
791 libs=$($ldflags_filter $libs)
792 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
793 }
794
795 print_include(){
796 hdr=$1
797 test "${hdr%.h}" = "${hdr}" &&
798 echo "#include $hdr" ||
799 echo "#include <$hdr>"
800 }
801
802 check_code(){
803 log check_code "$@"
804 check=$1
805 headers=$2
806 code=$3
807 shift 3
808 {
809 for hdr in $headers; do
810 print_include $hdr
811 done
812 echo "int main(void) { $code; return 0; }"
813 } | check_$check "$@"
814 }
815
816 check_cppflags(){
817 log check_cppflags "$@"
818 check_cc "$@" <<EOF && append CPPFLAGS "$@"
819 int x;
820 EOF
821 }
822
823 test_cflags(){
824 log test_cflags "$@"
825 set -- $($cflags_filter "$@")
826 check_cc "$@" <<EOF
827 int x;
828 EOF
829 }
830
831 check_cflags(){
832 log check_cflags "$@"
833 test_cflags "$@" && add_cflags "$@"
834 }
835
836 test_ldflags(){
837 log test_ldflags "$@"
838 check_ld "$@" <<EOF
839 int main(void){ return 0; }
840 EOF
841 }
842
843 check_ldflags(){
844 log check_ldflags "$@"
845 test_ldflags "$@" && add_ldflags "$@"
846 }
847
848 test_stripflags(){
849 log test_stripflags "$@"
850 # call check_cc to get a fresh TMPO
851 check_cc <<EOF
852 int main(void) { return 0; }
853 EOF
854 check_cmd $strip $STRIPFLAGS "$@" $TMPO
855 }
856
857 check_stripflags(){
858 log check_stripflags "$@"
859 test_stripflags "$@" && add_stripflags "$@"
860 }
861
862 check_header(){
863 log check_header "$@"
864 header=$1
865 shift
866 disable_safe $header
867 check_cpp "$@" <<EOF && enable_safe $header
868 #include <$header>
869 int x;
870 EOF
871 }
872
873 check_func(){
874 log check_func "$@"
875 func=$1
876 shift
877 disable $func
878 check_ld "$@" <<EOF && enable $func
879 extern int $func();
880 int main(void){ $func(); }
881 EOF
882 }
883
884 check_mathfunc(){
885 log check_mathfunc "$@"
886 func=$1
887 narg=$2
888 shift 2
889 test $narg = 2 && args="f, g" || args="f"
890 disable $func
891 check_ld "$@" <<EOF && enable $func
892 #include <math.h>
893 float foo(float f, float g) { return $func($args); }
894 int main(void){ return 0; }
895 EOF
896 }
897
898 check_func_headers(){
899 log check_func_headers "$@"
900 headers=$1
901 funcs=$2
902 shift 2
903 {
904 for hdr in $headers; do
905 print_include $hdr
906 done
907 for func in $funcs; do
908 echo "long check_$func(void) { return (long) $func; }"
909 done
910 echo "int main(void) { return 0; }"
911 } | check_ld "$@" && enable $funcs && enable_safe $headers
912 }
913
914 check_cpp_condition(){
915 log check_cpp_condition "$@"
916 header=$1
917 condition=$2
918 shift 2
919 check_cpp "$@" <<EOF
920 #include <$header>
921 #if !($condition)
922 #error "unsatisfied condition: $condition"
923 #endif
924 EOF
925 }
926
927 check_lib(){
928 log check_lib "$@"
929 header="$1"
930 func="$2"
931 shift 2
932 check_header $header && check_func $func "$@" && add_extralibs "$@"
933 }
934
935 check_lib2(){
936 log check_lib2 "$@"
937 headers="$1"
938 funcs="$2"
939 shift 2
940 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
941 }
942
943 check_pkg_config(){
944 log check_pkg_config "$@"
945 pkg="$1"
946 headers="$2"
947 funcs="$3"
948 shift 3
949 check_cmd $pkg_config --exists --print-errors $pkg || return
950 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
951 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
952 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
953 set_safe ${pkg}_cflags $pkg_cflags &&
954 set_safe ${pkg}_libs $pkg_libs
955 }
956
957 check_exec(){
958 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
959 }
960
961 check_exec_crash(){
962 code=$(cat)
963
964 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
965 # are safe but may not be available everywhere. Thus we use
966 # raise(SIGTERM) instead. The check is run in a subshell so we
967 # can redirect the "Terminated" message from the shell. SIGBUS
968 # is not defined by standard C so it is used conditionally.
969
970 (check_exec "$@") >> $logfile 2>&1 <<EOF
971 #include <signal.h>
972 static void sighandler(int sig){
973 raise(SIGTERM);
974 }
975 int foo(void){
976 $code
977 }
978 int (*func_ptr)(void) = foo;
979 int main(void){
980 signal(SIGILL, sighandler);
981 signal(SIGFPE, sighandler);
982 signal(SIGSEGV, sighandler);
983 #ifdef SIGBUS
984 signal(SIGBUS, sighandler);
985 #endif
986 return func_ptr();
987 }
988 EOF
989 }
990
991 check_type(){
992 log check_type "$@"
993 headers=$1
994 type=$2
995 shift 2
996 disable_safe "$type"
997 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
998 }
999
1000 check_struct(){
1001 log check_struct "$@"
1002 headers=$1
1003 struct=$2
1004 member=$3
1005 shift 3
1006 disable_safe "${struct}_${member}"
1007 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1008 enable_safe "${struct}_${member}"
1009 }
1010
1011 check_builtin(){
1012 log check_builtin "$@"
1013 name=$1
1014 headers=$2
1015 builtin=$3
1016 shift 3
1017 disable "$name"
1018 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1019 }
1020
1021 check_compile_assert(){
1022 log check_compile_assert "$@"
1023 name=$1
1024 headers=$2
1025 condition=$3
1026 shift 3
1027 disable "$name"
1028 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1029 }
1030
1031 require(){
1032 name="$1"
1033 header="$2"
1034 func="$3"
1035 shift 3
1036 check_lib $header $func "$@" || die "ERROR: $name not found"
1037 }
1038
1039 require2(){
1040 name="$1"
1041 headers="$2"
1042 func="$3"
1043 shift 3
1044 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1045 }
1046
1047 require_pkg_config(){
1048 pkg="$1"
1049 check_pkg_config "$@" || die "ERROR: $pkg not found"
1050 add_cflags $(get_safe ${pkg}_cflags)
1051 add_extralibs $(get_safe ${pkg}_libs)
1052 }
1053
1054 hostcc_e(){
1055 eval printf '%s\\n' $HOSTCC_E
1056 }
1057
1058 hostcc_o(){
1059 eval printf '%s\\n' $HOSTCC_O
1060 }
1061
1062 check_host_cc(){
1063 log check_host_cc "$@"
1064 cat > $TMPC
1065 log_file $TMPC
1066 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1067 }
1068
1069 check_host_cpp(){
1070 log check_host_cpp "$@"
1071 cat > $TMPC
1072 log_file $TMPC
1073 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1074 }
1075
1076 check_host_cppflags(){
1077 log check_host_cppflags "$@"
1078 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1079 int x;
1080 EOF
1081 }
1082
1083 check_host_cflags(){
1084 log check_host_cflags "$@"
1085 set -- $($host_cflags_filter "$@")
1086 check_host_cc "$@" <<EOF && append host_cflags "$@"
1087 int x;
1088 EOF
1089 }
1090
1091 check_host_cpp_condition(){
1092 log check_host_cpp_condition "$@"
1093 header=$1
1094 condition=$2
1095 shift 2
1096 check_host_cpp "$@" <<EOF
1097 #include <$header>
1098 #if !($condition)
1099 #error "unsatisfied condition: $condition"
1100 #endif
1101 EOF
1102 }
1103
1104 apply(){
1105 file=$1
1106 shift
1107 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1108 }
1109
1110 cp_if_changed(){
1111 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1112 mkdir -p "$(dirname $2)"
1113 $cp_f "$1" "$2"
1114 }
1115
1116 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1117 # system-dependent things.
1118
1119 COMPONENT_LIST="
1120 bsfs
1121 decoders
1122 demuxers
1123 encoders
1124 filters
1125 hwaccels
1126 indevs
1127 muxers
1128 outdevs
1129 parsers
1130 protocols
1131 "
1132
1133 EXAMPLE_LIST="
1134 avcodec_example
1135 filter_audio_example
1136 metadata_example
1137 output_example
1138 transcode_aac_example
1139 "
1140
1141 EXTERNAL_LIBRARY_LIST="
1142 avisynth
1143 bzlib
1144 frei0r
1145 gnutls
1146 libbs2b
1147 libcdio
1148 libdc1394
1149 libfaac
1150 libfdk_aac
1151 libfontconfig
1152 libfreetype
1153 libgsm
1154 libilbc
1155 libmp3lame
1156 libopencore_amrnb
1157 libopencore_amrwb
1158 libopencv
1159 libopenjpeg
1160 libopus
1161 libpulse
1162 librtmp
1163 libschroedinger
1164 libspeex
1165 libtheora
1166 libtwolame
1167 libvo_aacenc
1168 libvo_amrwbenc
1169 libvorbis
1170 libvpx
1171 libwavpack
1172 libwebp
1173 libx264
1174 libx265
1175 libxavs
1176 libxcb
1177 libxcb_shm
1178 libxcb_xfixes
1179 libxvid
1180 openssl
1181 x11grab
1182 zlib
1183 "
1184
1185 FEATURE_LIST="
1186 gray
1187 hardcoded_tables
1188 runtime_cpudetect
1189 safe_bitstream_reader
1190 shared
1191 small
1192 sram
1193 static
1194 swscale_alpha
1195 "
1196
1197 HWACCEL_LIST="
1198 dxva2
1199 vaapi
1200 vda
1201 vdpau
1202 "
1203
1204 LIBRARY_LIST="
1205 avcodec
1206 avdevice
1207 avfilter
1208 avformat
1209 avresample
1210 avutil
1211 swscale
1212 "
1213
1214 LICENSE_LIST="
1215 gpl
1216 nonfree
1217 version3
1218 "
1219
1220 PROGRAM_LIST="
1221 avconv
1222 avplay
1223 avprobe
1224 "
1225
1226 SUBSYSTEM_LIST="
1227 dct
1228 doc
1229 error_resilience
1230 faan
1231 fft
1232 lsp
1233 lzo
1234 mdct
1235 network
1236 rdft
1237 "
1238
1239 CONFIG_LIST="
1240 $COMPONENT_LIST
1241 $EXAMPLE_LIST
1242 $EXTERNAL_LIBRARY_LIST
1243 $FEATURE_LIST
1244 $HWACCEL_LIST
1245 $LICENSE_LIST
1246 $LIBRARY_LIST
1247 $PROGRAM_LIST
1248 $SUBSYSTEM_LIST
1249 memalign_hack
1250 neon_clobber_test
1251 pic
1252 pod2man
1253 texi2html
1254 thumb
1255 xmm_clobber_test
1256 "
1257
1258 THREADS_LIST="
1259 pthreads
1260 w32threads
1261 "
1262
1263 ATOMICS_LIST="
1264 atomics_gcc
1265 atomics_suncc
1266 atomics_win32
1267 "
1268
1269 ARCH_LIST="
1270 aarch64
1271 alpha
1272 arm
1273 avr32
1274 avr32_ap
1275 avr32_uc
1276 bfin
1277 ia64
1278 m68k
1279 mips
1280 mips64
1281 parisc
1282 ppc
1283 ppc64
1284 s390
1285 sh4
1286 sparc
1287 sparc64
1288 tilegx
1289 tilepro
1290 tomi
1291 x86
1292 x86_32
1293 x86_64
1294 "
1295
1296 ARCH_EXT_LIST_ARM="
1297 armv5te
1298 armv6
1299 armv6t2
1300 armv8
1301 neon
1302 vfp
1303 vfpv3
1304 "
1305
1306 ARCH_EXT_LIST_X86_SIMD="
1307 amd3dnow
1308 amd3dnowext
1309 avx
1310 avx2
1311 fma3
1312 fma4
1313 mmx
1314 mmxext
1315 sse
1316 sse2
1317 sse3
1318 sse4
1319 sse42
1320 ssse3
1321 xop
1322 "
1323
1324 ARCH_EXT_LIST_PPC="
1325 altivec
1326 dcbzl
1327 ldbrx
1328 ppc4xx
1329 "
1330
1331 ARCH_EXT_LIST_X86="
1332 $ARCH_EXT_LIST_X86_SIMD
1333 cpunop
1334 i686
1335 "
1336
1337 ARCH_EXT_LIST="
1338 $ARCH_EXT_LIST_ARM
1339 $ARCH_EXT_LIST_PPC
1340 $ARCH_EXT_LIST_X86
1341 loongson
1342 vis
1343 "
1344
1345 ARCH_FEATURES="
1346 aligned_stack
1347 fast_64bit
1348 fast_clz
1349 fast_cmov
1350 local_aligned_8
1351 local_aligned_16
1352 simd_align_16
1353 "
1354
1355 BUILTIN_LIST="
1356 atomic_cas_ptr
1357 machine_rw_barrier
1358 MemoryBarrier
1359 mm_empty
1360 rdtsc
1361 sync_val_compare_and_swap
1362 "
1363 HAVE_LIST_CMDLINE="
1364 inline_asm
1365 symver
1366 yasm
1367 "
1368
1369 HAVE_LIST_PUB="
1370 bigendian
1371 fast_unaligned
1372 "
1373
1374 HEADERS_LIST="
1375 alsa_asoundlib_h
1376 altivec_h
1377 arpa_inet_h
1378 cdio_paranoia_h
1379 cdio_paranoia_paranoia_h
1380 dev_bktr_ioctl_bt848_h
1381 dev_bktr_ioctl_meteor_h
1382 dev_ic_bt8xx_h
1383 dev_video_bktr_ioctl_bt848_h
1384 dev_video_meteor_ioctl_meteor_h
1385 direct_h
1386 dlfcn_h
1387 dxva_h
1388 gsm_h
1389 io_h
1390 mach_mach_time_h
1391 machine_ioctl_bt848_h
1392 machine_ioctl_meteor_h
1393 malloc_h
1394 poll_h
1395 sndio_h
1396 soundcard_h
1397 sys_mman_h
1398 sys_param_h
1399 sys_resource_h
1400 sys_select_h
1401 sys_soundcard_h
1402 sys_time_h
1403 sys_un_h
1404 sys_videoio_h
1405 unistd_h
1406 windows_h
1407 winsock2_h
1408 "
1409
1410 INTRINSICS_LIST="
1411 intrinsics_neon
1412 "
1413
1414 MATH_FUNCS="
1415 atanf
1416 atan2f
1417 cbrtf
1418 cosf
1419 exp2
1420 exp2f
1421 expf
1422 isinf
1423 isnan
1424 ldexpf
1425 llrint
1426 llrintf
1427 log2
1428 log2f
1429 log10f
1430 lrint
1431 lrintf
1432 powf
1433 rint
1434 round
1435 roundf
1436 sinf
1437 trunc
1438 truncf
1439 "
1440
1441 SYSTEM_FUNCS="
1442 aligned_malloc
1443 clock_gettime
1444 closesocket
1445 CommandLineToArgvW
1446 CoTaskMemFree
1447 CryptGenRandom
1448 dlopen
1449 fcntl
1450 flt_lim
1451 fork
1452 getaddrinfo
1453 gethrtime
1454 getopt
1455 GetProcessAffinityMask
1456 GetProcessMemoryInfo
1457 GetProcessTimes
1458 getrusage
1459 getservbyport
1460 GetSystemTimeAsFileTime
1461 gettimeofday
1462 gmtime_r
1463 inet_aton
1464 isatty
1465 jack_port_get_latency_range
1466 localtime_r
1467 mach_absolute_time
1468 MapViewOfFile
1469 MoveFileExA
1470 memalign
1471 mkstemp
1472 mmap
1473 mprotect
1474 nanosleep
1475 posix_memalign
1476 sched_getaffinity
1477 SetConsoleTextAttribute
1478 setmode
1479 setrlimit
1480 Sleep
1481 strerror_r
1482 strptime
1483 sysconf
1484 sysctl
1485 usleep
1486 VirtualAlloc
1487 "
1488
1489 TOOLCHAIN_FEATURES="
1490 as_dn_directive
1491 as_func
1492 asm_mod_q
1493 attribute_may_alias
1494 attribute_packed
1495 ebp_available
1496 ebx_available
1497 gnu_as
1498 ibm_asm
1499 inline_asm_labels
1500 pragma_deprecated
1501 symver_asm_label
1502 symver_gnu_asm
1503 vfp_args
1504 xform_asm
1505 xmm_clobbers
1506 "
1507
1508 TYPES_LIST="
1509 CONDITION_VARIABLE_Ptr
1510 socklen_t
1511 struct_addrinfo
1512 struct_group_source_req
1513 struct_ip_mreq_source
1514 struct_ipv6_mreq
1515 struct_pollfd
1516 struct_rusage_ru_maxrss
1517 struct_sockaddr_in6
1518 struct_sockaddr_sa_len
1519 struct_sockaddr_storage
1520 struct_v4l2_frmivalenum_discrete
1521 "
1522
1523 HAVE_LIST="
1524 $ARCH_EXT_LIST
1525 $(add_suffix _external $ARCH_EXT_LIST)
1526 $(add_suffix _inline $ARCH_EXT_LIST)
1527 $ARCH_FEATURES
1528 $ATOMICS_LIST
1529 $BUILTIN_LIST
1530 $HAVE_LIST_CMDLINE
1531 $HAVE_LIST_PUB
1532 $HEADERS_LIST
1533 $INTRINSICS_LIST
1534 $MATH_FUNCS
1535 $SYSTEM_FUNCS
1536 $THREADS_LIST
1537 $TOOLCHAIN_FEATURES
1538 $TYPES_LIST
1539 atomics_native
1540 dos_paths
1541 dxva2_lib
1542 libc_msvcrt
1543 libdc1394_1
1544 libdc1394_2
1545 sdl
1546 section_data_rel_ro
1547 threads
1548 vdpau_x11
1549 xlib
1550 "
1551
1552 # options emitted with CONFIG_ prefix but not available on the command line
1553 CONFIG_EXTRA="
1554 aandcttables
1555 ac3dsp
1556 audio_frame_queue
1557 audiodsp
1558 blockdsp
1559 bswapdsp
1560 cabac
1561 dvprofile
1562 faandct
1563 faanidct
1564 fdctdsp
1565 gcrypt
1566 golomb
1567 gplv3
1568 h263dsp
1569 h264chroma
1570 h264dsp
1571 h264pred
1572 h264qpel
1573 hpeldsp
1574 huffman
1575 huffyuvdsp
1576 huffyuvencdsp
1577 idctdsp
1578 iirfilter
1579 intrax8
1580 lgplv3
1581 lpc
1582 me_cmp
1583 mpeg_er
1584 mpegaudio
1585 mpegaudiodsp
1586 mpegvideo
1587 mpegvideoenc
1588 nettle
1589 pixblockdsp
1590 qpeldsp
1591 rangecoder
1592 riffdec
1593 riffenc
1594 rtpdec
1595 rtpenc_chain
1596 sinewin
1597 startcode
1598 tpeldsp
1599 videodsp
1600 vp3dsp
1601 wma_freqs
1602 "
1603
1604 CMDLINE_SELECT="
1605 $ARCH_EXT_LIST
1606 $CONFIG_LIST
1607 $HAVE_LIST_CMDLINE
1608 $THREADS_LIST
1609 asm
1610 cross_compile
1611 debug
1612 extra_warnings
1613 logging
1614 lto
1615 optimizations
1616 rpath
1617 "
1618
1619 PATHS_LIST="
1620 bindir
1621 datadir
1622 docdir
1623 incdir
1624 libdir
1625 mandir
1626 prefix
1627 shlibdir
1628 "
1629
1630 CMDLINE_SET="
1631 $PATHS_LIST
1632 ar
1633 arch
1634 as
1635 build_suffix
1636 cc
1637 cpu
1638 cross_prefix
1639 dep_cc
1640 extra_version
1641 host_cc
1642 host_cflags
1643 host_ld
1644 host_ldflags
1645 host_libs
1646 host_os
1647 ld
1648 logfile
1649 malloc_prefix
1650 nm
1651 optflags
1652 pkg_config
1653 pkg_config_flags
1654 random_seed
1655 samples
1656 sysinclude
1657 sysroot
1658 target_exec
1659 target_os
1660 target_path
1661 target_samples
1662 toolchain
1663 "
1664
1665 CMDLINE_APPEND="
1666 extra_cflags
1667 host_cppflags
1668 "
1669
1670 # code dependency declarations
1671
1672 # architecture extensions
1673
1674 armv5te_deps="arm"
1675 armv6_deps="arm"
1676 armv6t2_deps="arm"
1677 armv8_deps="aarch64"
1678 neon_deps_any="aarch64 arm"
1679 intrinsics_neon_deps="neon"
1680 vfp_deps_any="aarch64 arm"
1681 vfpv3_deps="vfp"
1682
1683 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1684
1685 altivec_deps="ppc"
1686 ppc4xx_deps="ppc"
1687
1688 cpunop_deps="i686"
1689 x86_64_select="i686"
1690 x86_64_suggest="fast_cmov"
1691
1692 amd3dnow_deps="mmx"
1693 amd3dnowext_deps="amd3dnow"
1694 i686_deps="x86"
1695 mmx_deps="x86"
1696 mmxext_deps="mmx"
1697 sse_deps="mmxext"
1698 sse2_deps="sse"
1699 sse3_deps="sse2"
1700 ssse3_deps="sse3"
1701 sse4_deps="ssse3"
1702 sse42_deps="sse4"
1703 avx_deps="sse42"
1704 xop_deps="avx"
1705 fma3_deps="avx"
1706 fma4_deps="avx"
1707 avx2_deps="avx"
1708
1709 mmx_external_deps="yasm"
1710 mmx_inline_deps="inline_asm"
1711 mmx_suggest="mmx_external mmx_inline"
1712
1713 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1714 eval dep=\$${ext}_deps
1715 eval ${ext}_external_deps='"${dep}_external"'
1716 eval ${ext}_inline_deps='"${dep}_inline"'
1717 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1718 done
1719
1720 aligned_stack_if_any="aarch64 ppc x86"
1721 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1722 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1723 fast_unaligned_if_any="aarch64 ppc x86"
1724 simd_align_16_if_any="altivec neon sse"
1725
1726 # system capabilities
1727 log2_deps="!libc_msvcrt"
1728
1729 symver_if_any="symver_asm_label symver_gnu_asm"
1730
1731 # threading support
1732 atomics_gcc_if="sync_val_compare_and_swap"
1733 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1734 atomics_win32_if="MemoryBarrier"
1735 atomics_native_if_any="$ATOMICS_LIST"
1736 w32threads_deps="atomics_native"
1737 threads_if_any="$THREADS_LIST"
1738
1739 # subsystems
1740 dct_select="rdft"
1741 error_resilience_select="me_cmp"
1742 faandct_deps="faan fdctdsp"
1743 faanidct_deps="faan idctdsp"
1744 intrax8_select="error_resilience"
1745 mdct_select="fft"
1746 rdft_select="fft"
1747 me_cmp_select="fdctdsp idctdsp pixblockdsp"
1748 mpeg_er_select="error_resilience"
1749 mpegaudio_select="mpegaudiodsp"
1750 mpegaudiodsp_select="dct"
1751 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp videodsp"
1752 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
1753
1754 # decoders / encoders
1755 aac_decoder_select="mdct sinewin"
1756 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
1757 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1758 ac3_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
1759 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1760 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
1761 aic_decoder_select="golomb idctdsp"
1762 alac_encoder_select="lpc"
1763 als_decoder_select="bswapdsp"
1764 amrnb_decoder_select="lsp"
1765 amrwb_decoder_select="lsp"
1766 amv_decoder_select="sp5x_decoder"
1767 ape_decoder_select="bswapdsp"
1768 asv1_decoder_select="blockdsp bswapdsp idctdsp"
1769 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
1770 asv2_decoder_select="blockdsp bswapdsp idctdsp"
1771 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
1772 atrac1_decoder_select="mdct sinewin"
1773 atrac3_decoder_select="mdct"
1774 atrac3p_decoder_select="mdct sinewin"
1775 bink_decoder_select="blockdsp hpeldsp"
1776 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
1777 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
1778 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
1779 cllc_decoder_select="bswapdsp"
1780 comfortnoise_encoder_select="lpc"
1781 cook_decoder_select="audiodsp mdct sinewin"
1782 cscd_decoder_select="lzo"
1783 cscd_decoder_suggest="zlib"
1784 dca_decoder_select="mdct"
1785 dnxhd_decoder_select="blockdsp idctdsp"
1786 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
1787 dvvideo_decoder_select="dvprofile idctdsp"
1788 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
1789 dxa_decoder_deps="zlib"
1790 eac3_decoder_select="ac3_decoder"
1791 eac3_encoder_select="ac3_encoder"
1792 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
1793 eatgq_decoder_select="aandcttables idctdsp"
1794 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
1795 exr_decoder_deps="zlib"
1796 ffv1_decoder_select="golomb rangecoder"
1797 ffv1_encoder_select="rangecoder"
1798 ffvhuff_decoder_select="huffyuv_decoder"
1799 ffvhuff_encoder_select="huffyuv_encoder"
1800 fic_decoder_select="golomb"
1801 flac_decoder_select="golomb"
1802 flac_encoder_select="bswapdsp golomb lpc"
1803 flashsv_decoder_deps="zlib"
1804 flashsv_encoder_deps="zlib"
1805 flashsv2_decoder_deps="zlib"
1806 flv_decoder_select="h263_decoder"
1807 flv_encoder_select="h263_encoder"
1808 fourxm_decoder_select="blockdsp bswapdsp"
1809 fraps_decoder_select="bswapdsp huffman"
1810 g2m_decoder_deps="zlib"
1811 g2m_decoder_select="blockdsp idctdsp"
1812 h261_decoder_select="mpeg_er mpegvideo"
1813 h261_encoder_select="aandcttables mpegvideoenc"
1814 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
1815 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1816 h263i_decoder_select="h263_decoder"
1817 h263p_encoder_select="h263_encoder"
1818 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
1819 h264_decoder_suggest="error_resilience"
1820 hevc_decoder_select="bswapdsp cabac golomb videodsp"
1821 huffyuv_decoder_select="bswapdsp huffyuvdsp"
1822 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
1823 iac_decoder_select="imc_decoder"
1824 imc_decoder_select="bswapdsp fft mdct sinewin"
1825 indeo3_decoder_select="hpeldsp"
1826 interplay_video_decoder_select="hpeldsp"
1827 jpegls_decoder_select="golomb mjpeg_decoder"
1828 jpegls_encoder_select="golomb"
1829 jv_decoder_select="blockdsp"
1830 lagarith_decoder_select="huffyuvdsp"
1831 ljpeg_encoder_select="aandcttables idctdsp"
1832 loco_decoder_select="golomb"
1833 mdec_decoder_select="blockdsp idctdsp mpegvideo"
1834 metasound_decoder_select="lsp mdct sinewin"
1835 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
1836 mjpeg_decoder_select="blockdsp hpeldsp idctdsp"
1837 mjpeg_encoder_select="aandcttables mpegvideoenc"
1838 mjpegb_decoder_select="mjpeg_decoder"
1839 mlp_decoder_select="mlp_parser"
1840 motionpixels_decoder_select="bswapdsp"
1841 mp1_decoder_select="mpegaudio"
1842 mp1float_decoder_select="mpegaudio"
1843 mp2_decoder_select="mpegaudio"
1844 mp2float_decoder_select="mpegaudio"
1845 mp3_decoder_select="mpegaudio"
1846 mp3adu_decoder_select="mpegaudio"
1847 mp3adufloat_decoder_select="mpegaudio"
1848 mp3float_decoder_select="mpegaudio"
1849 mp3on4_decoder_select="mpegaudio"
1850 mp3on4float_decoder_select="mpegaudio"
1851 mpc7_decoder_select="bswapdsp mpegaudiodsp"
1852 mpc8_decoder_select="mpegaudiodsp"
1853 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1854 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1855 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
1856 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1857 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
1858 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1859 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1860 mpeg4_encoder_select="h263_encoder"
1861 msmpeg4v1_decoder_select="h263_decoder"
1862 msmpeg4v2_decoder_select="h263_decoder"
1863 msmpeg4v2_encoder_select="h263_encoder"
1864 msmpeg4v3_decoder_select="h263_decoder"
1865 msmpeg4v3_encoder_select="h263_encoder"
1866 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
1867 mxpeg_decoder_select="mjpeg_decoder"
1868 nellymoser_decoder_select="mdct sinewin"
1869 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1870 nuv_decoder_select="idctdsp lzo"
1871 on2avc_decoder_select="mdct"
1872 opus_decoder_deps="avresample"
1873 png_decoder_deps="zlib"
1874 png_encoder_deps="zlib"
1875 png_encoder_select="huffyuvencdsp"
1876 prores_decoder_select="idctdsp"
1877 prores_encoder_select="fdctdsp"
1878 qcelp_decoder_select="lsp"
1879 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1880 ra_144_encoder_select="audio_frame_queue lpc"
1881 ralf_decoder_select="golomb"
1882 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
1883 rv10_encoder_select="h263_encoder"
1884 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
1885 rv20_encoder_select="h263_encoder"
1886 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
1887 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
1888 shorten_decoder_select="golomb"
1889 sipr_decoder_select="lsp"
1890 sp5x_decoder_select="mjpeg_decoder"
1891 svq1_decoder_select="hpeldsp"
1892 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
1893 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
1894 svq3_decoder_suggest="zlib"
1895 tak_decoder_select="audiodsp"
1896 theora_decoder_select="vp3_decoder"
1897 thp_decoder_select="mjpeg_decoder"
1898 tiff_decoder_suggest="zlib"
1899 tiff_encoder_suggest="zlib"
1900 truehd_decoder_select="mlp_decoder"
1901 truemotion2_decoder_select="bswapdsp"
1902 truespeech_decoder_select="bswapdsp"
1903 tscc_decoder_deps="zlib"
1904 twinvq_decoder_select="mdct lsp sinewin"
1905 utvideo_decoder_select="bswapdsp"
1906 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
1907 vble_decoder_select="huffyuvdsp"
1908 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
1909 vc1image_decoder_select="vc1_decoder"
1910 vorbis_decoder_select="mdct"
1911 vorbis_encoder_select="mdct"
1912 vp3_decoder_select="hpeldsp vp3dsp videodsp"
1913 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1914 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
1915 vp6a_decoder_select="vp6_decoder"
1916 vp6f_decoder_select="vp6_decoder"
1917 vp7_decoder_select="h264pred videodsp"
1918 vp8_decoder_select="h264pred videodsp"
1919 vp9_decoder_select="videodsp"
1920 webp_decoder_select="vp8_decoder"
1921 wmapro_decoder_select="mdct sinewin wma_freqs"
1922 wmav1_decoder_select="mdct sinewin wma_freqs"
1923 wmav1_encoder_select="mdct sinewin wma_freqs"
1924 wmav2_decoder_select="mdct sinewin wma_freqs"
1925 wmav2_encoder_select="mdct sinewin wma_freqs"
1926 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1927 wmv1_decoder_select="h263_decoder"
1928 wmv1_encoder_select="h263_encoder"
1929 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"
1930 wmv2_encoder_select="h263_encoder"
1931 wmv3_decoder_select="vc1_decoder"
1932 wmv3image_decoder_select="wmv3_decoder"
1933 zerocodec_decoder_deps="zlib"
1934 zlib_decoder_deps="zlib"
1935 zlib_encoder_deps="zlib"
1936 zmbv_decoder_deps="zlib"
1937 zmbv_encoder_deps="zlib"
1938
1939 # hardware accelerators
1940 dxva2_deps="dxva2api_h"
1941 vaapi_deps="va_va_h"
1942 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1943 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
1944 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1945
1946 h263_vaapi_hwaccel_deps="vaapi"
1947 h263_vaapi_hwaccel_select="h263_decoder"
1948 h263_vdpau_hwaccel_deps="vdpau"
1949 h263_vdpau_hwaccel_select="h263_decoder"
1950 h264_dxva2_hwaccel_deps="dxva2"
1951 h264_dxva2_hwaccel_select="h264_decoder"
1952 h264_vaapi_hwaccel_deps="vaapi"
1953 h264_vaapi_hwaccel_select="h264_decoder"
1954 h264_vda_hwaccel_deps="vda"
1955 h264_vda_hwaccel_select="h264_decoder"
1956 h264_vda_old_hwaccel_deps="vda"
1957 h264_vda_old_hwaccel_select="h264_decoder"
1958 h264_vdpau_hwaccel_deps="vdpau"
1959 h264_vdpau_hwaccel_select="h264_decoder"
1960 mpeg1_vdpau_hwaccel_deps="vdpau"
1961 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
1962 mpeg2_dxva2_hwaccel_deps="dxva2"
1963 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
1964 mpeg2_vaapi_hwaccel_deps="vaapi"
1965 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
1966 mpeg2_vdpau_hwaccel_deps="vdpau"
1967 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
1968 mpeg4_vaapi_hwaccel_deps="vaapi"
1969 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
1970 mpeg4_vdpau_hwaccel_deps="vdpau"
1971 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
1972 vc1_dxva2_hwaccel_deps="dxva2"
1973 vc1_dxva2_hwaccel_select="vc1_decoder"
1974 vc1_vaapi_hwaccel_deps="vaapi"
1975 vc1_vaapi_hwaccel_select="vc1_decoder"
1976 vc1_vdpau_hwaccel_deps="vdpau"
1977 vc1_vdpau_hwaccel_select="vc1_decoder"
1978 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1979 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1980 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
1981
1982 # parsers
1983 h264_parser_select="h264_decoder"
1984 mpegvideo_parser_select="mpegvideo"
1985 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
1986 vc1_parser_select="mpegvideo startcode"
1987
1988 # external libraries
1989 libfaac_encoder_deps="libfaac"
1990 libfaac_encoder_select="audio_frame_queue"
1991 libfdk_aac_decoder_deps="libfdk_aac"
1992 libfdk_aac_encoder_deps="libfdk_aac"
1993 libfdk_aac_encoder_select="audio_frame_queue"
1994 libgsm_decoder_deps="libgsm"
1995 libgsm_encoder_deps="libgsm"
1996 libgsm_ms_decoder_deps="libgsm"
1997 libgsm_ms_encoder_deps="libgsm"
1998 libilbc_decoder_deps="libilbc"
1999 libilbc_encoder_deps="libilbc"
2000 libmp3lame_encoder_deps="libmp3lame"
2001 libmp3lame_encoder_select="audio_frame_queue"
2002 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2003 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2004 libopencore_amrnb_encoder_select="audio_frame_queue"
2005 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2006 libopenjpeg_decoder_deps="libopenjpeg"
2007 libopenjpeg_encoder_deps="libopenjpeg"
2008 libopus_decoder_deps="libopus"
2009 libopus_encoder_deps="libopus"
2010 libopus_encoder_select="audio_frame_queue"
2011 libschroedinger_decoder_deps="libschroedinger"
2012 libschroedinger_encoder_deps="libschroedinger"
2013 libspeex_decoder_deps="libspeex"
2014 libspeex_encoder_deps="libspeex"
2015 libspeex_encoder_select="audio_frame_queue"
2016 libtheora_encoder_deps="libtheora"
2017 libtwolame_encoder_deps="libtwolame"
2018 libvo_aacenc_encoder_deps="libvo_aacenc"
2019 libvo_aacenc_encoder_select="audio_frame_queue"
2020 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2021 libvorbis_encoder_deps="libvorbis"
2022 libvorbis_encoder_select="audio_frame_queue"
2023 libvpx_vp8_decoder_deps="libvpx"
2024 libvpx_vp8_encoder_deps="libvpx"
2025 libvpx_vp9_decoder_deps="libvpx"
2026 libvpx_vp9_encoder_deps="libvpx"
2027 libwavpack_encoder_deps="libwavpack"
2028 libwebp_encoder_deps="libwebp"
2029 libx264_encoder_deps="libx264"
2030 libx265_encoder_deps="libx265"
2031 libxavs_encoder_deps="libxavs"
2032 libxvid_encoder_deps="libxvid"
2033
2034 # demuxers / muxers
2035 ac3_demuxer_select="ac3_parser"
2036 asf_demuxer_select="riffdec"
2037 asf_muxer_select="riffenc"
2038 asf_stream_muxer_select="asf_muxer"
2039 avi_demuxer_select="riffdec"
2040 avi_muxer_select="riffenc"
2041 avisynth_demuxer_deps="avisynth"
2042 avisynth_demuxer_select="riffdec"
2043 caf_demuxer_select="riffdec"
2044 dash_muxer_select="mp4_muxer"
2045 dirac_demuxer_select="dirac_parser"
2046 dv_demuxer_select="dvprofile"
2047 dv_muxer_select="dvprofile"
2048 dxa_demuxer_select="riffdec"
2049 eac3_demuxer_select="ac3_parser"
2050 f4v_muxer_select="mov_muxer"
2051 flac_demuxer_select="flac_parser"
2052 hds_muxer_select="flv_muxer"
2053 hls_muxer_select="mpegts_muxer"
2054 ipod_muxer_select="mov_muxer"
2055 ismv_muxer_select="mov_muxer"
2056 matroska_audio_muxer_select="matroska_muxer"
2057 matroska_demuxer_select="riffdec"
2058 matroska_demuxer_suggest="bzlib lzo zlib"
2059 matroska_muxer_select="riffenc"
2060 mmf_muxer_select="riffenc"
2061 mov_demuxer_select="riffdec"
2062 mov_demuxer_suggest="zlib"
2063 mov_muxer_select="riffenc rtpenc_chain"
2064 mp3_demuxer_select="mpegaudio_parser"
2065 mp4_muxer_select="mov_muxer"
2066 mpegts_muxer_select="adts_muxer latm_muxer"
2067 mpegtsraw_demuxer_select="mpegts_demuxer"
2068 mxf_d10_muxer_select="mxf_muxer"
2069 nut_muxer_select="riffenc"
2070 nuv_demuxer_select="riffdec"
2071 oga_muxer_select="ogg_muxer"
2072 ogg_demuxer_select="golomb"
2073 opus_muxer_select="ogg_muxer"
2074 psp_muxer_select="mov_muxer"
2075 rtp_demuxer_select="sdp_demuxer"
2076 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
2077 rtsp_demuxer_select="http_protocol rtpdec"
2078 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2079 sap_demuxer_select="sdp_demuxer"
2080 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2081 sdp_demuxer_select="rtpdec"
2082 smoothstreaming_muxer_select="ismv_muxer"
2083 spdif_muxer_select="aac_parser"
2084 spx_muxer_select="ogg_muxer"
2085 tak_demuxer_select="tak_parser"
2086 tg2_muxer_select="mov_muxer"
2087 tgp_muxer_select="mov_muxer"
2088 w64_demuxer_select="wav_demuxer"
2089 wav_demuxer_select="riffdec"
2090 wav_muxer_select="riffenc"
2091 webm_muxer_select="riffenc"
2092 wtv_demuxer_select="riffdec"
2093 xmv_demuxer_select="riffdec"
2094 xwma_demuxer_select="riffdec"
2095
2096 # indevs / outdevs
2097 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2098 alsa_outdev_deps="alsa_asoundlib_h"
2099 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2100 dv1394_indev_deps="dv1394"
2101 dv1394_indev_select="dv_demuxer"
2102 fbdev_indev_deps="linux_fb_h"
2103 jack_indev_deps="jack_jack_h pthreads"
2104 libcdio_indev_deps="libcdio"
2105 libdc1394_indev_deps="libdc1394"
2106 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2107 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2108 pulse_indev_deps="libpulse"
2109 sndio_indev_deps="sndio_h"
2110 sndio_outdev_deps="sndio_h"
2111 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2112 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2113 vfwcap_indev_extralibs="-lavicap32"
2114 x11grab_indev_deps="x11grab"
2115 x11grab_xcb_indev_deps="libxcb"
2116
2117 # protocols
2118 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2119 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
2120 ffrtmpcrypt_protocol_select="tcp_protocol"
2121 ffrtmphttp_protocol_deps="!librtmp_protocol"
2122 ffrtmphttp_protocol_select="http_protocol"
2123 gopher_protocol_select="network"
2124 http_protocol_select="tcp_protocol"
2125 httpproxy_protocol_select="tcp_protocol"
2126 https_protocol_select="tls_protocol"
2127 icecast_protocol_select="http_protocol"
2128 librtmp_protocol_deps="librtmp"
2129 librtmpe_protocol_deps="librtmp"
2130 librtmps_protocol_deps="librtmp"
2131 librtmpt_protocol_deps="librtmp"
2132 librtmpte_protocol_deps="librtmp"
2133 mmsh_protocol_select="http_protocol"
2134 mmst_protocol_select="network"
2135 rtmp_protocol_deps="!librtmp_protocol"
2136 rtmp_protocol_select="tcp_protocol"
2137 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2138 rtmps_protocol_deps="!librtmp_protocol"
2139 rtmps_protocol_select="tls_protocol"
2140 rtmpt_protocol_select="ffrtmphttp_protocol"
2141 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2142 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2143 rtp_protocol_select="udp_protocol"
2144 sctp_protocol_deps="struct_sctp_event_subscribe"
2145 sctp_protocol_select="network"
2146 srtp_protocol_select="rtp_protocol"
2147 tcp_protocol_select="network"
2148 tls_protocol_deps_any="openssl gnutls"
2149 tls_protocol_select="tcp_protocol"
2150 udp_protocol_select="network"
2151 unix_protocol_deps="sys_un_h"
2152 unix_protocol_select="network"
2153
2154 # filters
2155 blackframe_filter_deps="gpl"
2156 boxblur_filter_deps="gpl"
2157 bs2b_filter_deps="libbs2b"
2158 cropdetect_filter_deps="gpl"
2159 delogo_filter_deps="gpl"
2160 drawtext_filter_deps="libfreetype"
2161 frei0r_filter_deps="frei0r dlopen"
2162 frei0r_filter_extralibs='$ldl'
2163 frei0r_src_filter_deps="frei0r dlopen"
2164 frei0r_src_filter_extralibs='$ldl'
2165 hqdn3d_filter_deps="gpl"
2166 interlace_filter_deps="gpl"
2167 ocv_filter_deps="libopencv"
2168 resample_filter_deps="avresample"
2169 scale_filter_deps="swscale"
2170
2171 # examples
2172 avcodec_example_deps="avcodec avutil"
2173 filter_audio_example_deps="avfilter avutil"
2174 metadata_example_deps="avformat avutil"
2175 output_example_deps="avcodec avformat avutil swscale"
2176 transcode_aac_example_deps="avcodec avformat avresample"
2177
2178 # libraries, in linking order
2179 avcodec_deps="avutil"
2180 avdevice_deps="avformat avcodec avutil"
2181 avfilter_deps="avutil"
2182 avformat_deps="avcodec avutil"
2183 avresample_deps="avutil"
2184 swscale_deps="avutil"
2185
2186 # programs
2187 avconv_deps="avcodec avfilter avformat avresample swscale"
2188 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2189 fps_filter null_filter resample_filter scale_filter
2190 setpts_filter trim_filter"
2191 avplay_deps="avcodec avformat avresample swscale sdl"
2192 avplay_libs='$sdl_libs'
2193 avplay_select="rdft"
2194 avprobe_deps="avcodec avformat"
2195
2196 # documentation
2197 pod2man_deps="doc"
2198 texi2html_deps="doc"
2199
2200 # default parameters
2201
2202 logfile="config.log"
2203
2204 # installation paths
2205 prefix_default="/usr/local"
2206 bindir_default='${prefix}/bin'
2207 datadir_default='${prefix}/share/avconv'
2208 docdir_default='${prefix}/share/doc/libav'
2209 incdir_default='${prefix}/include'
2210 libdir_default='${prefix}/lib'
2211 mandir_default='${prefix}/share/man'
2212 shlibdir_default="$libdir_default"
2213
2214 # toolchain
2215 ar_default="ar"
2216 cc_default="gcc"
2217 host_cc_default="gcc"
2218 cp_f="cp -f"
2219 ln_s="ln -s -f"
2220 nm_default="nm -g"
2221 objformat="elf"
2222 pkg_config_default=pkg-config
2223 ranlib="ranlib"
2224 strip="strip"
2225 yasmexe="yasm"
2226
2227 # machine
2228 arch_default=$(uname -m)
2229 cpu="generic"
2230 intrinsics="none"
2231
2232 # OS
2233 target_os_default=$(tolower $(uname -s))
2234 host_os=$target_os_default
2235
2236 # configurable options
2237 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2238
2239 enable asm
2240 enable debug
2241 enable doc
2242 enable faan faandct faanidct
2243 enable optimizations
2244 enable safe_bitstream_reader
2245 enable static
2246 enable swscale_alpha
2247
2248 # By default, enable only those hwaccels that have no external dependencies.
2249 enable dxva2 vda vdpau
2250
2251 # build settings
2252 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2253 LIBPREF="lib"
2254 LIBSUF=".a"
2255 FULLNAME='$(NAME)$(BUILDSUF)'
2256 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2257 SLIBPREF="lib"
2258 SLIBSUF=".so"
2259 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2260 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2261 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2262 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2263 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2264 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2265
2266 asflags_filter=echo
2267 cflags_filter=echo
2268 ldflags_filter=echo
2269
2270 AS_C='-c'
2271 AS_O='-o $@'
2272 CC_C='-c'
2273 CC_E='-E -o $@'
2274 CC_O='-o $@'
2275 LD_O='-o $@'
2276 LD_LIB='-l%'
2277 LD_PATH='-L'
2278 HOSTCC_C='-c'
2279 HOSTCC_E='-E -o $@'
2280 HOSTCC_O='-o $@'
2281 HOSTLD_O='-o $@'
2282
2283 host_libs='-lm'
2284 host_cflags_filter=echo
2285 host_ldflags_filter=echo
2286
2287 target_path='$(CURDIR)'
2288
2289 # since the object filename is not given with the -MM flag, the compiler
2290 # is only able to print the basename, and we must add the path ourselves
2291 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2292 DEPFLAGS='-MM'
2293
2294 # find source path
2295 if test -f configure; then
2296 source_path=.
2297 else
2298 source_path=$(cd $(dirname "$0"); pwd)
2299 echo "$source_path" | grep -q '[[:blank:]]' &&
2300 die "Out of tree builds are impossible with whitespace in source path."
2301 test -e "$source_path/config.h" &&
2302 die "Out of tree builds are impossible with config.h in source dir."
2303 fi
2304
2305 for v in "$@"; do
2306 r=${v#*=}
2307 l=${v%"$r"}
2308 r=$(sh_quote "$r")
2309 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2310 done
2311
2312 find_things(){
2313 thing=$1
2314 pattern=$2
2315 file=$source_path/$3
2316 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2317 }
2318
2319 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2320 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2321 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2322 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2323 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2324 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2325 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2326 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2327 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2328 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2329 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2330
2331 ALL_COMPONENTS="
2332 $BSF_LIST
2333 $DECODER_LIST
2334 $DEMUXER_LIST
2335 $ENCODER_LIST
2336 $FILTER_LIST
2337 $HWACCEL_LIST
2338 $INDEV_LIST
2339 $MUXER_LIST
2340 $OUTDEV_LIST
2341 $PARSER_LIST
2342 $PROTOCOL_LIST
2343 "
2344
2345 for n in $COMPONENT_LIST; do
2346 v=$(toupper ${n%s})_LIST
2347 eval enable \$$v
2348 eval ${n}_if_any="\$$v"
2349 done
2350
2351 enable $ARCH_EXT_LIST
2352
2353 die_unknown(){
2354 echo "Unknown option \"$1\"."
2355 echo "See $0 --help for available options."
2356 exit 1
2357 }
2358
2359 print_3_columns() {
2360 cat | tr ' ' '\n' | sort | pr -r -3 -t
2361 }
2362
2363 show_list() {
2364 suffix=_$1
2365 shift
2366 echo $* | sed s/$suffix//g | print_3_columns
2367 exit 0
2368 }
2369
2370 rand_list(){
2371 IFS=', '
2372 set -- $*
2373 unset IFS
2374 for thing; do
2375 comp=${thing%:*}
2376 prob=${thing#$comp}
2377 prob=${prob#:}
2378 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2379 echo "prob ${prob:-0.5}"
2380 printf '%s\n' $comp
2381 done
2382 }
2383
2384 do_random(){
2385 action=$1
2386 shift
2387 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2388 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2389 }
2390
2391 for opt do
2392 optval="${opt#*=}"
2393 case "$opt" in
2394 --extra-ldflags=*)
2395 add_ldflags $optval
2396 ;;
2397 --extra-ldexeflags=*)
2398 add_ldexeflags $optval
2399 ;;
2400 --extra-libs=*)
2401 add_extralibs $optval
2402 ;;
2403 --disable-devices)
2404 disable $INDEV_LIST $OUTDEV_LIST
2405 ;;
2406 --enable-debug=*)
2407 debuglevel="$optval"
2408 ;;
2409 --disable-programs)
2410 disable $PROGRAM_LIST
2411 ;;
2412 --disable-everything)
2413 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2414 ;;
2415 --disable-all)
2416 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2417 disable $LIBRARY_LIST $PROGRAM_LIST doc
2418 ;;
2419 --enable-random|--disable-random)
2420 action=${opt%%-random}
2421 do_random ${action#--} $COMPONENT_LIST
2422 ;;
2423 --enable-random=*|--disable-random=*)
2424 action=${opt%%-random=*}
2425 do_random ${action#--} $optval
2426 ;;
2427 --enable-*=*|--disable-*=*)
2428 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2429 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2430 eval list=\$$(toupper $thing)_LIST
2431 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2432 $action $(filter "$name" $list)
2433 ;;
2434 --enable-avserver|--disable-avserver*)
2435 warn "avserver has been removed, the ${opt} option is only"\
2436 "provided for compatibility and will be removed in the future"
2437 ;;
2438 --enable-?*|--disable-?*)
2439 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2440 if is_in $option $COMPONENT_LIST; then
2441 test $action = disable && action=unset
2442 eval $action \$$(toupper ${option%s})_LIST
2443 elif is_in $option $CMDLINE_SELECT; then
2444 $action $option
2445 else
2446 die_unknown $opt
2447 fi
2448 ;;
2449 --list-*)
2450 NAME="${opt#--list-}"
2451 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2452 NAME=${NAME%s}
2453 eval show_list $NAME \$$(toupper $NAME)_LIST
2454 ;;
2455 --help|-h) show_help
2456 ;;
2457 *)
2458 optname="${opt%%=*}"
2459 optname="${optname#--}"
2460 optname=$(echo "$optname" | sed 's/-/_/g')
2461 if is_in $optname $CMDLINE_SET; then
2462 eval $optname='$optval'
2463 elif is_in $optname $CMDLINE_APPEND; then
2464 append $optname "$optval"
2465 else
2466 die_unknown $opt
2467 fi
2468 ;;
2469 esac
2470 done
2471
2472 disabled logging && logfile=/dev/null
2473
2474 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2475 set >> $logfile
2476
2477 test -n "$cross_prefix" && enable cross_compile
2478
2479 if enabled cross_compile; then
2480 test -n "$arch" && test -n "$target_os" ||
2481 die "Must specify target arch and OS when cross-compiling"
2482 fi
2483
2484 ar_default="${cross_prefix}${ar_default}"
2485 cc_default="${cross_prefix}${cc_default}"
2486 nm_default="${cross_prefix}${nm_default}"
2487 pkg_config_default="${cross_prefix}${pkg_config_default}"
2488 ranlib="${cross_prefix}${ranlib}"
2489 strip="${cross_prefix}${strip}"
2490
2491 sysinclude_default="${sysroot}/usr/include"
2492
2493 case "$toolchain" in
2494 clang-asan)
2495 cc_default="clang"
2496 add_cflags -fsanitize=address
2497 add_ldflags -fsanitize=address
2498 ;;
2499 clang-tsan)
2500 cc_default="clang"
2501 add_cflags -fsanitize=thread -pie
2502 add_ldflags -fsanitize=thread -pie
2503 ;;
2504 clang-usan)
2505 cc_default="clang"
2506 add_cflags -fsanitize=undefined -O1
2507 add_ldflags -fsanitize=undefined
2508 ;;
2509 gcc-asan)
2510 cc_default="gcc"
2511 add_cflags -fsanitize=address
2512 add_ldflags -fsanitize=address
2513 ;;
2514 gcc-tsan)
2515 cc_default="gcc"
2516 add_cflags -fsanitize=thread -pie -fPIC
2517 add_ldflags -fsanitize=thread -pie -fPIC
2518 ;;
2519 gcc-usan)
2520 cc_default="gcc"
2521 add_cflags -fsanitize=undefined
2522 add_ldflags -fsanitize=undefined
2523 ;;
2524 valgrind-massif)
2525 target_exec_default="valgrind"
2526 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2527 ;;
2528 valgrind-memcheck)
2529 target_exec_default="valgrind"
2530 target_exec_args="--track-origins=yes --leak-check=full"
2531 ;;
2532 msvc)
2533 # Check whether the current MSVC version needs the C99 converter.
2534 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2535 # support enough of C99 to build libav. Default to the new
2536 # behaviour if the regexp was unable to match anything, since this
2537 # successfully parses the version number of existing supported
2538 # versions that require the converter (MSVC 2010 and 2012).
2539 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2540 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2541 cc_default="cl"
2542 else
2543 cc_default="c99wrap cl"
2544 fi
2545 ld_default="link"
2546 nm_default="dumpbin -symbols"
2547 ar_default="lib"
2548 target_os_default="win32"
2549 # Use a relative path for TMPDIR. This makes sure all the
2550 # ffconf temp files are written with a relative path, avoiding
2551 # issues with msys/win32 path conversion for MSVC parameters
2552 # such as -Fo<file> or -out:<file>.
2553 TMPDIR=.
2554 ;;
2555 icl)
2556 cc_default="icl"
2557 ld_default="xilink"
2558 nm_default="dumpbin -symbols"
2559 ar_default="xilib"
2560 target_os_default="win32"
2561 TMPDIR=.
2562 ;;
2563 gcov)
2564 add_cflags -fprofile-arcs -ftest-coverage
2565 add_ldflags -fprofile-arcs -ftest-coverage
2566 ;;
2567 hardened)
2568 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
2569 add_cflags -fno-strict-overflow -fstack-protector-all
2570 add_ldflags -Wl,-z,relro -Wl,-z,now
2571 ;;
2572 ?*)
2573 die "Unknown toolchain $toolchain"
2574 ;;
2575 esac
2576
2577 set_default arch cc pkg_config sysinclude target_exec target_os
2578 enabled cross_compile || host_cc_default=$cc
2579 set_default host_cc
2580
2581 if ! $pkg_config --version >/dev/null 2>&1; then
2582 warn "$pkg_config not found, library detection may fail."
2583 pkg_config=false
2584 fi
2585
2586 exesuf() {
2587 case $1 in
2588 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2589 esac
2590 }
2591
2592 EXESUF=$(exesuf $target_os)
2593 HOSTEXESUF=$(exesuf $host_os)
2594
2595 # set temporary file name
2596 : ${TMPDIR:=$TEMPDIR}
2597 : ${TMPDIR:=$TMP}
2598 : ${TMPDIR:=/tmp}
2599
2600 if ! check_cmd mktemp -u XXXXXX; then
2601 # simple replacement for missing mktemp
2602 # NOT SAFE FOR GENERAL USE
2603 mktemp(){
2604 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2605 }
2606 fi
2607
2608 tmpfile(){
2609 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2610 (set -C; exec > $tmp) 2>/dev/null ||
2611 die "Unable to create temporary file in $TMPDIR."
2612 append TMPFILES $tmp
2613 eval $1=$tmp
2614 }
2615
2616 trap 'rm -f -- $TMPFILES' EXIT
2617
2618 tmpfile TMPASM .asm
2619 tmpfile TMPC .c
2620 tmpfile TMPE $EXESUF
2621 tmpfile TMPH .h
2622 tmpfile TMPO .o
2623 tmpfile TMPS .S
2624 tmpfile TMPSH .sh
2625 tmpfile TMPV .ver
2626
2627 unset -f mktemp
2628
2629 chmod +x $TMPE
2630
2631 # make sure we can execute files in $TMPDIR
2632 cat > $TMPSH 2>> $logfile <<EOF
2633 #! /bin/sh
2634 EOF
2635 chmod +x $TMPSH >> $logfile 2>&1
2636 if ! $TMPSH >> $logfile 2>&1; then
2637 cat <<EOF
2638 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2639 variable to another directory and make sure that it is not mounted noexec.
2640 EOF
2641 die "Sanity test failed."
2642 fi
2643
2644 armasm_flags(){
2645 for flag; do
2646 case $flag in
2647 # Filter out MSVC cl.exe options from cflags that shouldn't
2648 # be passed to gas-preprocessor
2649 -M[TD]*) ;;
2650 *) echo $flag ;;
2651 esac
2652 done
2653 }
2654
2655 ccc_flags(){
2656 for flag; do
2657 case $flag in
2658 -std=c99) echo -c99 ;;
2659 -mcpu=*) echo -arch ${flag#*=} ;;
2660 -mieee) echo -ieee ;;
2661 -O*|-fast) echo $flag ;;
2662 -fno-math-errno) echo -assume nomath_errno ;;
2663 -g) echo -g3 ;;
2664 -Wall) echo -msg_enable level2 ;;
2665 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2666 -Wl,*) echo $flag ;;
2667 -f*|-W*) ;;
2668 *) echo $flag ;;
2669 esac
2670 done
2671 }
2672
2673 cparser_flags(){
2674 for flag; do
2675 case $flag in
2676 -Wno-switch) echo -Wno-switch-enum ;;
2677 -Wno-format-zero-length) ;;
2678 -Wdisabled-optimization) ;;
2679 -Wno-pointer-sign) echo -Wno-other ;;
2680 *) echo $flag ;;
2681 esac
2682 done
2683 }
2684
2685 msvc_common_flags(){
2686 for flag; do
2687 case $flag in
2688 # In addition to specifying certain flags under the compiler
2689 # specific filters, they must be specified here as well or else the
2690 # generic catch all at the bottom will print the original flag.
2691 -Wall) ;;
2692 -std=c99) ;;
2693 # Common flags
2694 -fomit-frame-pointer) ;;
2695 -g) echo -Z7 ;;
2696 -fno-math-errno) ;;
2697 -fno-common) ;;
2698 -fno-signed-zeros) ;;
2699 -fPIC) ;;
2700 -mthumb) ;;
2701 -march=*) ;;
2702 -lz) echo zlib.lib ;;
2703 -lavifil32) echo vfw32.lib ;;
2704 -lavicap32) echo vfw32.lib user32.lib ;;
2705 -l*) echo ${flag#-l}.lib ;;
2706 *) echo $flag ;;
2707 esac
2708 done
2709 }
2710
2711 msvc_flags(){
2712 msvc_common_flags "$@"
2713 for flag; do
2714 case $flag in
2715 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2716 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2717 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2718 -wd4273 -wd4701 ;;
2719 esac
2720 done
2721 }
2722
2723 icl_flags(){
2724 msvc_common_flags "$@"
2725 for flag; do
2726 case $flag in
2727 # Despite what Intel's documentation says -Wall, which is supported
2728 # on Windows, does enable remarks so disable them here.
2729 -Wall) echo $flag -Qdiag-disable:remark ;;
2730 -std=c99) echo -Qstd=c99 ;;
2731 esac
2732 done
2733 }
2734
2735 pgi_flags(){
2736 for flag; do
2737 case $flag in
2738 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2739 -fomit-frame-pointer) echo -Mnoframe ;;
2740 -g) echo -gopt ;;
2741 *) echo $flag ;;
2742 esac
2743 done
2744 }
2745
2746 suncc_flags(){
2747 for flag; do
2748 case $flag in
2749 -march=*|-mcpu=*)
2750 case "${flag#*=}" in
2751 native) echo -xtarget=native ;;
2752 v9|niagara) echo -xarch=sparc ;;
2753 ultrasparc) echo -xarch=sparcvis ;;
2754 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2755 i586|pentium) echo -xchip=pentium ;;
2756 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2757 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2758 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2759 pentium4*) echo -xtarget=pentium4 ;;
2760 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2761 *-sse3) echo -xarch=sse3 ;;
2762 core2) echo -xarch=ssse3 -xchip=core2 ;;
2763 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2764 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2765 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
2766 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2767 k8|opteron|athlon64|athlon-fx)
2768 echo -xarch=sse2a ;;
2769 athlon*) echo -xarch=pentium_proa ;;
2770 esac
2771 ;;
2772 -std=c99) echo -xc99 ;;
2773 -fomit-frame-pointer) echo -xregs=frameptr ;;
2774 -fPIC) echo -KPIC -xcode=pic32 ;;
2775 -W*,*) echo $flag ;;
2776 -f*-*|-W*|-mimpure-text) ;;
2777 -shared) echo -G ;;
2778 *) echo $flag ;;
2779 esac
2780 done
2781 }
2782
2783 tms470_flags(){
2784 for flag; do
2785 case $flag in
2786 -march=*|-mcpu=*)
2787 case "${flag#*=}" in
2788 armv7-a|cortex-a*) echo -mv=7a8 ;;
2789 armv7-r|cortex-r*) echo -mv=7r4 ;;
2790 armv7-m|cortex-m*) echo -mv=7m3 ;;
2791 armv6*|arm11*) echo -mv=6 ;;
2792 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2793 echo -mv=5e ;;
2794 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2795 esac
2796 ;;
2797 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2798 -mfpu=vfp) echo --float_support=vfpv2 ;;
2799 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2800 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
2801 -msoft-float) echo --float_support=vfplib ;;
2802 -O[0-3]|-mf=*) echo $flag ;;
2803 -g) echo -g -mn ;;
2804 -pds=*) echo $flag ;;
2805 -D*|-I*) echo $flag ;;
2806 --gcc|--abi=*) echo $flag ;;
2807 -me) echo $flag ;;
2808 esac
2809 done
2810 }
2811
2812 probe_cc(){
2813 pfx=$1
2814 _cc=$2
2815
2816 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2817 unset _ld_o _ldflags _ld_lib _ld_path
2818 unset _depflags _DEPCMD _DEPFLAGS
2819 _flags_filter=echo
2820
2821 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2822 _type=llvm_gcc
2823 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2824 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2825 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2826 _cflags_speed='-O3'
2827 _cflags_size='-Os'
2828 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2829 _type=gcc
2830 gcc_version=$($_cc --version | head -n1)
2831 gcc_basever=$($_cc -dumpversion)
2832 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2833 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2834 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2835 if ! $_cc -dumpversion | grep -q '^2\.'; then
2836 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2837 fi
2838 _cflags_speed='-O3'
2839 _cflags_size='-Os'
2840 elif $_cc --version 2>/dev/null | grep -q ^icc; then
2841 _type=icc
2842 _ident=$($_cc --version | head -n1)
2843 _depflags='-MMD'
2844 _cflags_speed='-O3'
2845 _cflags_size='-Os'
2846 _cflags_noopt='-O1'
2847 elif $_cc -v 2>&1 | grep -q xlc; then
2848 _type=xlc
2849 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2850 _cflags_speed='-O5'
2851 _cflags_size='-O5 -qcompact'
2852 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2853 _type=ccc
2854 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2855 _DEPFLAGS='-M'
2856 _cflags_speed='-fast'
2857 _cflags_size='-O1'
2858 _flags_filter=ccc_flags
2859 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
2860 test -d "$sysroot" || die "No valid sysroot specified."
2861 _type=armcc
2862 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
2863 armcc_conf="$PWD/armcc.conf"
2864 $_cc --arm_linux_configure \
2865 --arm_linux_config_file="$armcc_conf" \
2866 --configure_sysroot="$sysroot" \
2867 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2868 die "Error creating armcc configuration file."
2869 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2870 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2871 as_default="${cross_prefix}gcc"
2872 _depflags='-MMD'
2873 _cflags_speed='-O3'
2874 _cflags_size='-Os'
2875 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2876 _type=tms470
2877 _ident=$($_cc -version | head -n1 | tr -s ' ')
2878 _flags='--gcc --abi=eabi -me'
2879 _cc_e='-ppl -fe=$@'
2880 _cc_o='-fe=$@'
2881 _depflags='-ppa -ppd=$(@:.o=.d)'
2882 _cflags_speed='-O3 -mf=5'
2883 _cflags_size='-O3 -mf=2'
2884 _flags_filter=tms470_flags
2885 elif $_cc -v 2>&1 | grep -q clang; then
2886 _type=clang
2887 _ident=$($_cc --version | head -n1)
2888 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2889 _cflags_speed='-O3'
2890 _cflags_size='-Os'
2891 elif $_cc -V 2>&1 | grep -q Sun; then
2892 _type=suncc
2893 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2894 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2895 _DEPFLAGS='-xM1 -xc99'
2896 _ldflags='-std=c99'
2897 _cflags_speed='-O5'
2898 _cflags_size='-O5 -xspace'
2899 _flags_filter=suncc_flags
2900 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2901 _type=pathscale
2902 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2903 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2904 _cflags_speed='-O2'
2905 _cflags_size='-Os'
2906 _flags_filter='filter_out -Wdisabled-optimization'
2907 elif $_cc -v 2>&1 | grep -q Open64; then
2908 _type=open64
2909 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2910 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2911 _cflags_speed='-O2'
2912 _cflags_size='-Os'
2913 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2914 elif $_cc -V 2>&1 | grep -q Portland; then
2915 _type=pgi
2916 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2917 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
2918 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2919 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2920 _cflags_noopt="-O1"
2921 _flags_filter=pgi_flags
2922 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
2923 _type=armasm
2924 _ident=$($_cc | head -n1)
2925 # 4509: "This form of conditional instruction is deprecated"
2926 _flags="-nologo -ignore 4509"
2927 _flags_filter=armasm_flags
2928 elif $_cc 2>&1 | grep -q Microsoft; then
2929 _type=msvc
2930 _ident=$($cc 2>&1 | head -n1)
2931 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2932 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2933 _cflags_speed="-O2"
2934 _cflags_size="-O1"
2935 if $_cc 2>&1 | grep -q Linker; then
2936 _ld_o='-out:$@'
2937 else
2938 _ld_o='-Fe$@'
2939 fi
2940 _cc_o='-Fo$@'
2941 _cc_e='-P -Fi$@'
2942 _flags_filter=msvc_flags
2943 _ld_lib='lib%.a'
2944 _ld_path='-libpath:'
2945 _flags='-nologo'
2946 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2947 if [ $pfx = hostcc ]; then
2948 append _cflags -Dsnprintf=_snprintf
2949 fi
2950 elif $_cc 2>&1 | grep -q Intel; then
2951 _type=icl
2952 _ident=$($cc 2>&1 | head -n1)
2953 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
2954 # Not only is O3 broken on 13.x+ but it is slower on all previous
2955 # versions (tested) as well.
2956 _cflags_speed="-O2"
2957 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
2958 if $_cc 2>&1 | grep -q Linker; then
2959 _ld_o='-out:$@'
2960 else
2961 _ld_o='-Fe$@'
2962 fi
2963 _cc_o='-Fo$@'
2964 _cc_e='-P'
2965 _flags_filter=icl_flags
2966 _ld_lib='lib%.a'
2967 _ld_path='-libpath:'
2968 # -Qdiag-error to make icl error when seeing certain unknown arguments
2969 _flags='-nologo -Qdiag-error:4044,10157'
2970 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
2971 # with MSVC which enables it by default.
2972 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
2973 if [ $pfx = hostcc ]; then
2974 append _cflags -Dsnprintf=_snprintf
2975 fi
2976 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
2977 _type=cparser
2978 _ident=$($_cc --version | head -n1)
2979 _depflags='-MMD'
2980 _cflags_speed='-O4'
2981 _cflags_size='-O2'
2982 _flags_filter=cparser_flags
2983 fi
2984
2985 eval ${pfx}_type=\$_type
2986 eval ${pfx}_ident=\$_ident
2987 }
2988
2989 set_ccvars(){
2990 eval ${1}_C=\${_cc_c-\${${1}_C}}
2991 eval ${1}_E=\${_cc_e-\${${1}_E}}
2992 eval ${1}_O=\${_cc_o-\${${1}_O}}
2993
2994 if [ -n "$_depflags" ]; then
2995 eval ${1}_DEPFLAGS=\$_depflags
2996 else
2997 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2998 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2999 eval DEP${1}FLAGS=\$_flags
3000 fi
3001 }
3002
3003 probe_cc cc "$cc"
3004 cflags_filter=$_flags_filter
3005 cflags_speed=$_cflags_speed
3006 cflags_size=$_cflags_size
3007 cflags_noopt=$_cflags_noopt
3008 add_cflags $_flags $_cflags
3009 cc_ldflags=$_ldflags
3010 set_ccvars CC
3011
3012 probe_cc hostcc "$host_cc"
3013 host_cflags_filter=$_flags_filter
3014 add_host_cflags $_flags $_cflags
3015 set_ccvars HOSTCC
3016
3017 test -n "$cc_type" && enable $cc_type ||
3018 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3019
3020 : ${as_default:=$cc}
3021 : ${dep_cc_default:=$cc}
3022 : ${ld_default:=$cc}
3023 : ${host_ld_default:=$host_cc}
3024 set_default ar as dep_cc ld host_ld
3025
3026 probe_cc as "$as"
3027 asflags_filter=$_flags_filter
3028 add_asflags $_flags $_cflags
3029 set_ccvars AS
3030
3031 probe_cc ld "$ld"
3032 ldflags_filter=$_flags_filter
3033 add_ldflags $_flags $_ldflags
3034 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3035 LD_O=${_ld_o-$LD_O}
3036 LD_LIB=${_ld_lib-$LD_LIB}
3037 LD_PATH=${_ld_path-$LD_PATH}
3038
3039 probe_cc hostld "$host_ld"
3040 host_ldflags_filter=$_flags_filter
3041 add_host_ldflags $_flags $_ldflags
3042 HOSTLD_O=${_ld_o-$HOSTLD_O}
3043
3044 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3045 probe_cc depcc "$dep_cc"
3046 CCDEP=${_DEPCMD:-$DEPCMD}
3047 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3048 DEPCCFLAGS=$_flags
3049 fi
3050
3051 if $ar 2>&1 | grep -q Microsoft; then
3052 arflags="-nologo"
3053 ar_o='-out:$@'
3054 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3055 arflags="rq"
3056 ar_o='$@'
3057 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3058 arflags='-Xany -r -c'
3059 ar_o='$@'
3060 else
3061 arflags="rc"
3062 ar_o='$@'
3063 fi
3064
3065 add_cflags $extra_cflags
3066 add_asflags $extra_cflags
3067
3068 if test -n "$sysroot"; then
3069 case "$cc_type" in
3070 gcc|llvm_gcc|clang)
3071 add_cppflags --sysroot="$sysroot"
3072 add_ldflags --sysroot="$sysroot"
3073 ;;
3074 tms470)
3075 add_cppflags -I"$sysinclude"
3076 add_ldflags --sysroot="$sysroot"
3077 ;;
3078 esac
3079 fi
3080
3081 if test "$cpu" = host; then
3082 enabled cross_compile &&
3083 die "--cpu=host makes no sense when cross-compiling."
3084
3085 case "$cc_type" in
3086 gcc|llvm_gcc)
3087 check_native(){
3088 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3089 sed -n "/cc1.*$1=/{
3090 s/.*$1=\\([^ ]*\\).*/\\1/
3091 p
3092 q
3093 }" $TMPE
3094 }
3095 cpu=$(check_native -march || check_native -mcpu)
3096 ;;
3097 esac
3098
3099 test "${cpu:-host}" = host &&
3100 die "--cpu=host not supported with compiler $cc"
3101 fi
3102
3103 # Deal with common $arch aliases
3104 case "$arch" in
3105 aarch64|arm64)
3106 arch="aarch64"
3107 ;;
3108 arm*)
3109 arch="arm"
3110 ;;
3111 mips*|IP*)
3112 arch="mips"
3113 ;;
3114 parisc*|hppa*)
3115 arch="parisc"
3116 ;;
3117 "Power Macintosh"|ppc*|powerpc*)
3118 arch="ppc"
3119 ;;
3120 s390|s390x)
3121 arch="s390"
3122 ;;
3123 sh4|sh)
3124 arch="sh4"
3125 ;;
3126 sun4u|sparc*)
3127 arch="sparc"
3128 ;;
3129 tilegx|tile-gx)
3130 arch="tilegx"
3131 ;;
3132 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3133 arch="x86"
3134 ;;
3135 esac
3136
3137 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3138 enable $arch
3139
3140 # Add processor-specific flags
3141 if enabled aarch64; then
3142
3143 case $cpu in
3144 armv*)
3145 cpuflags="-march=$cpu"
3146 ;;
3147 *)
3148 cpuflags="-mcpu=$cpu"
3149 ;;
3150 esac
3151
3152 elif enabled alpha; then
3153
3154 cpuflags="-mcpu=$cpu"
3155
3156 elif enabled arm; then
3157
3158 check_arm_arch() {
3159 check_cpp_condition stddef.h \
3160 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3161 $cpuflags
3162 }
3163
3164 probe_arm_arch() {
3165 if check_arm_arch 4; then echo armv4;
3166 elif check_arm_arch 4T; then echo armv4t;
3167 elif check_arm_arch 5; then echo armv5;
3168 elif check_arm_arch 5E; then echo armv5e;
3169 elif check_arm_arch 5T; then echo armv5t;
3170 elif check_arm_arch 5TE; then echo armv5te;
3171 elif check_arm_arch 5TEJ; then echo armv5te;
3172 elif check_arm_arch 6; then echo armv6;
3173 elif check_arm_arch 6J; then echo armv6j;
3174 elif check_arm_arch 6K; then echo armv6k;
3175 elif check_arm_arch 6Z; then echo armv6z;
3176 elif check_arm_arch 6ZK; then echo armv6zk;
3177 elif check_arm_arch 6T2; then echo armv6t2;
3178 elif check_arm_arch 7; then echo armv7;
3179 elif check_arm_arch 7A 7_A; then echo armv7-a;
3180 elif check_arm_arch 7R 7_R; then echo armv7-r;
3181 elif check_arm_arch 7M 7_M; then echo armv7-m;
3182 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3183 elif check_arm_arch 8A 8_A; then echo armv8-a;
3184 fi
3185 }
3186
3187 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3188
3189 case $cpu in
3190 armv*)
3191 cpuflags="-march=$cpu"
3192 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3193 ;;
3194 *)
3195 cpuflags="-mcpu=$cpu"
3196 case $cpu in
3197 cortex-a*) subarch=armv7a ;;
3198 cortex-r*) subarch=armv7r ;;
3199 cortex-m*) enable thumb; subarch=armv7m ;;
3200 arm11*) subarch=armv6 ;;
3201 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3202 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3203 *) subarch=$(probe_arm_arch) ;;
3204 esac
3205 ;;
3206 esac
3207
3208 case "$subarch" in
3209 armv5t*) enable fast_clz ;;
3210 armv[6-8]*) enable fast_clz fast_unaligned ;;
3211 esac
3212
3213 elif enabled avr32; then
3214
3215 case $cpu in
3216 ap7[02]0[0-2])
3217 subarch="avr32_ap"
3218 cpuflags="-mpart=$cpu"
3219 ;;
3220 ap)
3221 subarch="avr32_ap"
3222 cpuflags="-march=$cpu"
3223 ;;
3224 uc3[ab]*)
3225 subarch="avr32_uc"
3226 cpuflags="-mcpu=$cpu"
3227 ;;
3228 uc)
3229 subarch="avr32_uc"
3230 cpuflags="-march=$cpu"
3231 ;;
3232 esac
3233
3234 elif enabled bfin; then
3235
3236 cpuflags="-mcpu=$cpu"
3237
3238 elif enabled mips; then
3239
3240 cpuflags="-march=$cpu"
3241
3242 elif enabled ppc; then
3243
3244 disable ldbrx
3245
3246 case $(tolower $cpu) in
3247 601|ppc601|powerpc601)
3248 cpuflags="-mcpu=601"
3249 disable altivec
3250 ;;
3251 603*|ppc603*|powerpc603*)
3252 cpuflags="-mcpu=603"
3253 disable altivec
3254 ;;
3255 604*|ppc604*|powerpc604*)
3256 cpuflags="-mcpu=604"
3257 disable altivec
3258 ;;
3259 g3|75*|ppc75*|powerpc75*)
3260 cpuflags="-mcpu=750"
3261 disable altivec
3262 ;;
3263 g4|745*|ppc745*|powerpc745*)
3264 cpuflags="-mcpu=7450"
3265 ;;
3266 74*|ppc74*|powerpc74*)
3267 cpuflags="-mcpu=7400"
3268 ;;
3269 g5|970|ppc970|powerpc970)
3270 cpuflags="-mcpu=970"
3271 ;;
3272 power[3-7]*)
3273 cpuflags="-mcpu=$cpu"
3274 ;;
3275 cell)
3276 cpuflags="-mcpu=cell"
3277 enable ldbrx
3278 ;;
3279 e500mc)
3280 cpuflags="-mcpu=e500mc"
3281 disable altivec
3282 ;;
3283 e500v2)
3284 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3285 disable altivec
3286 disable dcbzl
3287 ;;
3288 e500)
3289 cpuflags="-mcpu=8540 -mhard-float"
3290 disable altivec
3291 disable dcbzl
3292 ;;
3293 esac
3294
3295 elif enabled sparc; then
3296
3297 case $cpu in
3298 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3299 cpuflags="-mcpu=$cpu"
3300 ;;
3301 ultrasparc*|niagara[234])
3302 cpuflags="-mcpu=$cpu"
3303 ;;
3304 esac
3305
3306 elif enabled x86; then
3307
3308 case $cpu in
3309 i[345]86|pentium)
3310 cpuflags="-march=$cpu"
3311 disable i686
3312 disable mmx
3313 ;;
3314 # targets that do NOT support nopl and conditional mov (cmov)
3315 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3316 cpuflags="-march=$cpu"
3317 disable i686
3318 ;;
3319 # targets that do support nopl and conditional mov (cmov)
3320 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3321 cpuflags="-march=$cpu"
3322 enable i686
3323 enable fast_cmov
3324 ;;
3325 # targets that do support conditional mov but on which it's slow
3326 pentium4|pentium4m|prescott|nocona)
3327 cpuflags="-march=$cpu"
3328 enable i686
3329 disable fast_cmov
3330 ;;
3331 esac
3332
3333 fi
3334
3335 if [ "$cpu" != generic ]; then
3336 add_cflags $cpuflags
3337 add_asflags $cpuflags
3338 fi
3339
3340 # compiler sanity check
3341 check_exec <<EOF
3342 int main(void){ return 0; }
3343 EOF
3344 if test "$?" != 0; then
3345 echo "$cc is unable to create an executable file."
3346 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3347 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3348 echo "Only do this if you know what cross compiling means."
3349 fi
3350 die "C compiler test failed."
3351 fi
3352
3353 add_cppflags -D_ISOC99_SOURCE
3354 check_cflags -std=c99
3355 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3356 #include <stdlib.h>
3357 EOF
3358 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3359 #include <stdlib.h>
3360 EOF
3361
3362 add_host_cppflags -D_ISOC99_SOURCE
3363 check_host_cflags -std=c99
3364 check_host_cflags -Wall
3365 check_host_cflags -O3
3366
3367 check_64bit(){
3368 arch32=$1
3369 arch64=$2
3370 expr=$3
3371 check_code cc "" "int test[2*($expr) - 1]" &&
3372 subarch=$arch64 || subarch=$arch32
3373 }
3374
3375 case "$arch" in
3376 aarch64|alpha|ia64)
3377 spic=$shared
3378 ;;
3379 mips)
3380 check_64bit mips mips64 '_MIPS_SIM > 1'
3381 spic=$shared
3382 ;;
3383 parisc)
3384 check_64bit parisc parisc64 'sizeof(void *) > 4'
3385 spic=$shared
3386 ;;
3387 ppc)
3388 check_64bit ppc ppc64 'sizeof(void *) > 4'
3389 spic=$shared
3390 ;;
3391 s390)
3392 check_64bit s390 s390x 'sizeof(void *) > 4'
3393 spic=$shared
3394 ;;
3395 sparc)
3396 check_64bit sparc sparc64 'sizeof(void *) > 4'
3397 spic=$shared
3398 ;;
3399 x86)
3400 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3401 if test "$subarch" = "x86_64"; then
3402 spic=$shared
3403 fi
3404 ;;
3405 esac
3406
3407 enable $subarch
3408 enabled spic && enable_weak pic
3409
3410 # OS specific
3411 case $target_os in
3412 aix)
3413 SHFLAGS=-shared
3414 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3415 enabled shared && add_ldflags -Wl,-brtl
3416 ;;
3417 android)
3418 disable symver
3419 enable section_data_rel_ro
3420 SLIB_INSTALL_NAME='$(SLIBNAME)'
3421 SLIB_INSTALL_LINKS=
3422 # soname not set on purpose
3423 SHFLAGS=-shared
3424 ;;
3425 haiku)
3426 prefix_default="/boot/common"
3427 network_extralibs="-lnetwork"
3428 host_libs=
3429 ;;
3430 sunos)
3431 SHFLAGS='-shared -Wl,-h,$$(@F)'
3432 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3433 network_extralibs="-lsocket -lnsl"
3434 # When using suncc to build, the Solaris linker will mark
3435 # an executable with each instruction set encountered by
3436 # the Solaris assembler. As our libraries contain their own
3437 # guards for processor-specific code, instead suppress
3438 # generation of the HWCAPS ELF section on Solaris x86 only.
3439 enabled_all suncc x86 &&
3440 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3441 add_ldflags -Wl,-M,mapfile
3442 nm_default='nm -P -g'
3443 ;;
3444 netbsd)
3445 disable symver
3446 oss_indev_extralibs="-lossaudio"
3447 oss_outdev_extralibs="-lossaudio"
3448 ;;
3449 openbsd|bitrig)
3450 disable symver
3451 SHFLAGS='-shared'
3452 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3453 SLIB_INSTALL_LINKS=
3454 oss_indev_extralibs="-lossaudio"
3455 oss_outdev_extralibs="-lossaudio"
3456 ;;
3457 dragonfly)
3458 disable symver
3459 ;;
3460 freebsd)
3461 ;;
3462 bsd/os)
3463 add_extralibs -lpoll -lgnugetopt
3464 ;;
3465 darwin)
3466 enabled ppc && add_asflags -force_cpusubtype_ALL
3467 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3468 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3469 add_ldflags -Wl,-dynamic,-search_paths_first
3470 SLIBSUF=".dylib"
3471 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3472 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3473 objformat="macho"
3474 enabled x86_64 && objformat="macho64"
3475 enabled_any pic shared ||
3476 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3477 ;;
3478 mingw32*)
3479 if test $target_os = "mingw32ce"; then
3480 disable network
3481 else
3482 target_os=mingw32
3483 fi
3484 LIBTARGET=i386
3485 if enabled x86_64; then
3486 LIBTARGET="i386:x86-64"
3487 elif enabled arm; then
3488 LIBTARGET=arm-wince
3489 fi
3490 check_ldflags -Wl,--nxcompat
3491 check_ldflags -Wl,--dynamicbase
3492 shlibdir_default="$bindir_default"
3493 SLIBPREF=""
3494 SLIBSUF=".dll"
3495 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3496 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3497 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3498 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3499 SLIB_INSTALL_LINKS=
3500 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3501 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3502 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3503 objformat="win32"
3504 dlltool="${cross_prefix}dlltool"
3505 ranlib=:
3506 enable dos_paths
3507 ;;
3508 win32|win64)
3509 disable symver
3510 if enabled shared; then
3511 # Link to the import library instead of the normal static library
3512 # for shared libs.
3513 LD_LIB='%.lib'
3514 # Cannot build both shared and static libs with MSVC or icl.
3515 disable static
3516 fi
3517 shlibdir_default="$bindir_default"
3518 SLIBPREF=""
3519 SLIBSUF=".dll"
3520 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3521 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3522 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3523 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3524 SLIB_INSTALL_LINKS=
3525 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3526 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3527 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3528 objformat="win32"
3529 ranlib=:
3530 enable dos_paths
3531 ;;
3532 cygwin*)
3533 target_os=cygwin
3534 shlibdir_default="$bindir_default"
3535 SLIBPREF="cyg"
3536 SLIBSUF=".dll"
3537 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3538 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3539 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3540 SLIB_INSTALL_LINKS=
3541 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3542 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3543 objformat="win32"
3544 enable dos_paths
3545 ;;
3546 *-dos|freedos|opendos)
3547 network_extralibs="-lsocket"
3548 objformat="coff"
3549 enable dos_paths
3550 add_cppflags -U__STRICT_ANSI__
3551 ;;
3552 linux)
3553 enable dv1394
3554 enable section_data_rel_ro
3555 ;;
3556 irix*)
3557 target_os=irix
3558 ranlib="echo ignoring ranlib"
3559 ;;
3560 os/2*)
3561 ln_s="cp -f"
3562 objformat="aout"
3563 add_cppflags -D_GNU_SOURCE
3564 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3565 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3566 LIBSUF="_s.a"
3567 SLIBPREF=""
3568 SLIBSUF=".dll"
3569 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3570 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3571 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3572 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3573 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3574 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3575 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3576 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3577 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3578 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3579 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3580 enable dos_paths
3581 ;;
3582 gnu/kfreebsd)
3583 add_cppflags -D_BSD_SOURCE
3584 ;;
3585 gnu)
3586 ;;
3587 qnx)
3588 add_cppflags -D_QNX_SOURCE
3589 network_extralibs="-lsocket"
3590 ;;
3591 symbian)
3592 SLIBSUF=".dll"
3593 enable dos_paths
3594 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3595 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3596 add_ldflags -Wl,--target1-abs,--no-undefined \
3597 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3598 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3599 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3600 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3601 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3602 ;;
3603 osf1)
3604 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3605 ;;
3606 minix)
3607 ;;
3608 plan9)
3609 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3610 -D_REENTRANT_SOURCE \
3611 -D_RESEARCH_SOURCE \
3612 -DFD_SETSIZE=96 \
3613 -DHAVE_SOCK_OPTS
3614 add_compat strtod.o strtod=avpriv_strtod
3615 network_extralibs='-lbsd'
3616 exeobjs=compat/plan9/main.o
3617 cp_f='cp'
3618 ;;
3619 none)
3620 ;;
3621 *)
3622 die "Unknown OS '$target_os'."
3623 ;;
3624 esac
3625
3626 # determine libc flavour
3627
3628 probe_libc(){
3629 pfx=$1
3630 pfx_no_=${pfx%_}
3631 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3632 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
3633 eval ${pfx}libc_type=uclibc
3634 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3635 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
3636 eval ${pfx}libc_type=glibc
3637 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3638 # MinGW headers can be installed on Cygwin, so check for newlib first.
3639 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3640 eval ${pfx}libc_type=newlib
3641 add_${pfx}cppflags -U__STRICT_ANSI__
3642 # MinGW64 is backwards compatible with MinGW32, so check for it first.
3643 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
3644 eval ${pfx}libc_type=mingw64
3645 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3646 eval test \$${pfx_no_}cc_type = "gcc" &&
3647 add_${pfx}cppflags -D__printf__=__gnu_printf__
3648 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
3649 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
3650 eval ${pfx}libc_type=mingw32
3651 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
3652 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3653 die "ERROR: MinGW32 runtime version must be >= 3.15."
3654 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3655 eval test \$${pfx_no_}cc_type = "gcc" &&
3656 add_${pfx}cppflags -D__printf__=__gnu_printf__
3657 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
3658 eval ${pfx}libc_type=msvcrt
3659 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3660 # 0x601 by default unless something else is set by the user.
3661 # This can easily lead to us detecting functions only present
3662 # in such new versions and producing binaries requiring windows 7.0.
3663 # Therefore explicitly set the default to XP unless the user has
3664 # set something else on the command line.
3665 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
3666 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
3667 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
3668 eval ${pfx}libc_type=klibc
3669 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3670 eval ${pfx}libc_type=bionic
3671 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
3672 eval ${pfx}libc_type=solaris
3673 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3674 else
3675 eval ${pfx}libc_type=default
3676 add_${pfx}cppflags -D_DEFAULT_SOURCE
3677 fi
3678 }
3679
3680 probe_libc
3681 test -n "$libc_type" && enable libc_$libc_type
3682 probe_libc host_
3683 test -n "$host_libc_type" && enable host_libc_$host_libc_type
3684
3685 case $libc_type in
3686 bionic)
3687 add_compat strtod.o strtod=avpriv_strtod
3688 ;;
3689 msvcrt)
3690 add_compat strtod.o strtod=avpriv_strtod
3691 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3692 _snprintf=avpriv_snprintf \
3693 vsnprintf=avpriv_vsnprintf
3694 ;;
3695 esac
3696
3697 # hacks for compiler/libc/os combinations
3698
3699 if enabled_all tms470 libc_glibc; then
3700 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3701 add_cppflags -D__USER_LABEL_PREFIX__=