txd: Use the TextureDSP module for decoding
[libav.git] / configure
1 #!/bin/sh
2 #
3 # Libav configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
43 fi
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken Libav."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
54 exit 1
55 fi
56
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
59 show_help(){
60 cat <<EOF
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
63
64 Help options:
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
77
78 Standard options:
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --prefix=PREFIX install in PREFIX [$prefix]
82 --bindir=DIR install binaries in DIR [PREFIX/bin]
83 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
84 --docdir=DIR install documentation in DIR [PREFIX/share/doc/libav]
85 --libdir=DIR install libs in DIR [PREFIX/lib]
86 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
87 --incdir=DIR install includes in DIR [PREFIX/include]
88 --mandir=DIR install man page in DIR [PREFIX/share/man]
89 --enable-rpath use rpath when linking programs [USE WITH CARE]
90
91 Licensing options:
92 --enable-gpl allow use of GPL code, the resulting libs
93 and binaries will be under GPL [no]
94 --enable-version3 upgrade (L)GPL to version 3 [no]
95 --enable-nonfree allow use of nonfree code, the resulting libs
96 and binaries will be unredistributable [no]
97
98 Configuration options:
99 --disable-static do not build static libraries [no]
100 --enable-shared build shared libraries [no]
101 --enable-small optimize for size instead of speed
102 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
103 --enable-gray enable full grayscale support (slower color)
104 --disable-swscale-alpha disable alpha channel support in swscale
105 --disable-all disable building components, libraries and programs
106
107 Program options:
108 --disable-programs do not build command line programs
109 --disable-avconv disable avconv build
110 --disable-avplay disable avplay build
111 --disable-avprobe disable avprobe build
112 --disable-avserver deprecated, does nothing
113
114 Component options:
115 --disable-doc do not build documentation
116 --disable-avdevice disable libavdevice build
117 --disable-avcodec disable libavcodec build
118 --disable-avformat disable libavformat build
119 --disable-avutil disable libavutil build
120 --disable-swscale disable libswscale build
121 --disable-avfilter disable video filter support [no]
122 --disable-avresample disable libavresample build [no]
123 --disable-pthreads disable pthreads [auto]
124 --disable-w32threads disable Win32 threads [auto]
125 --disable-network disable network support [no]
126 --disable-dct disable DCT code
127 --disable-error-resilience disable error resilience code
128 --disable-lsp disable LSP code
129 --disable-lzo disable LZO decoder code
130 --disable-mdct disable MDCT code
131 --disable-rdft disable RDFT code
132 --disable-fft disable FFT code
133 --disable-faan disable floating point AAN (I)DCT code
134
135 Hardware accelerators:
136 --enable-d3d11va enable D3D11VA code
137 --enable-dxva2 enable DXVA2 code
138 --enable-vaapi enable VAAPI code
139 --enable-vda enable VDA code
140 --enable-vdpau enable VDPAU code
141
142 Individual component options:
143 --disable-everything disable all components listed below
144 --disable-encoder=NAME disable encoder NAME
145 --enable-encoder=NAME enable encoder NAME
146 --disable-encoders disable all encoders
147 --disable-decoder=NAME disable decoder NAME
148 --enable-decoder=NAME enable decoder NAME
149 --disable-decoders disable all decoders
150 --disable-hwaccel=NAME disable hwaccel NAME
151 --enable-hwaccel=NAME enable hwaccel NAME
152 --disable-hwaccels disable all hwaccels
153 --disable-muxer=NAME disable muxer NAME
154 --enable-muxer=NAME enable muxer NAME
155 --disable-muxers disable all muxers
156 --disable-demuxer=NAME disable demuxer NAME
157 --enable-demuxer=NAME enable demuxer NAME
158 --disable-demuxers disable all demuxers
159 --enable-parser=NAME enable parser NAME
160 --disable-parser=NAME disable parser NAME
161 --disable-parsers disable all parsers
162 --enable-bsf=NAME enable bitstream filter NAME
163 --disable-bsf=NAME disable bitstream filter NAME
164 --disable-bsfs disable all bitstream filters
165 --enable-protocol=NAME enable protocol NAME
166 --disable-protocol=NAME disable protocol NAME
167 --disable-protocols disable all protocols
168 --enable-indev=NAME enable input device NAME
169 --disable-indev=NAME disable input device NAME
170 --disable-indevs disable input devices
171 --enable-outdev=NAME enable output device NAME
172 --disable-outdev=NAME disable output device NAME
173 --disable-outdevs disable output devices
174 --disable-devices disable all devices
175 --enable-filter=NAME enable filter NAME
176 --disable-filter=NAME disable filter NAME
177 --disable-filters disable all filters
178
179 External library support:
180 --enable-avisynth enable reading of AviSynth script files [no]
181 --enable-bzlib enable bzlib [autodetect]
182 --enable-frei0r enable frei0r video filtering
183 --enable-gnutls enable gnutls [no]
184 --enable-libbs2b enable bs2b DSP library [no]
185 --enable-libcdio enable audio CD grabbing with libcdio
186 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
187 and libraw1394 [no]
188 --enable-libdcadec enable DCA decoding via libdcadec [no]
189 --enable-libfaac enable AAC encoding via libfaac [no]
190 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
191 --enable-libfreetype enable libfreetype [no]
192 --enable-libgsm enable GSM de/encoding via libgsm [no]
193 --enable-libilbc enable iLBC de/encoding via libilbc [no]
194 --enable-libmfx enable HW acceleration through libmfx
195 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
196 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
197 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
198 --enable-libopencv enable video filtering via libopencv [no]
199 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
200 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
201 --enable-libopus enable Opus de/encoding via libopus [no]
202 --enable-libpulse enable Pulseaudio input via libpulse [no]
203 --enable-librtmp enable RTMP[E] support via librtmp [no]
204 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
205 --enable-libspeex enable Speex de/encoding via libspeex [no]
206 --enable-libtheora enable Theora encoding via libtheora [no]
207 --enable-libtwolame enable MP2 encoding via libtwolame [no]
208 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
209 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
210 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
211 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
212 --enable-libwavpack enable wavpack encoding via libwavpack [no]
213 --enable-libwebp enable WebP encoding via libwebp [no]
214 --enable-libx264 enable H.264 encoding via x264 [no]
215 --enable-libx265 enable HEVC encoding via x265 [no]
216 --enable-libxavs enable AVS encoding via xavs [no]
217 --enable-libxcb enable X11 grabbing using XCB [no]
218 --enable-libxcb-shm enable X11 grabbing shm communication [auto]
219 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [auto]
220 --enable-libxvid enable Xvid encoding via xvidcore,
221 native MPEG-4/Xvid encoder exists [no]
222 --enable-mmal enable decoding via MMAL [no]
223 --enable-nvenc enable encoding via NVENC [no]
224 --enable-openssl enable openssl [no]
225 --enable-x11grab enable X11 grabbing (legacy) [no]
226 --enable-zlib enable zlib [autodetect]
227
228 Toolchain options:
229 --arch=ARCH select architecture [$arch]
230 --cpu=CPU select the minimum required CPU (affects
231 instruction selection, may crash on older CPUs)
232 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
233 --enable-cross-compile assume a cross-compiler is used
234 --sysroot=PATH root of cross-build tree
235 --sysinclude=PATH location of cross-build system headers
236 --target-os=OS compiler targets OS [$target_os]
237 --target-exec=CMD command to run executables on target
238 --target-path=DIR path to view of build directory on target
239 --target-samples=DIR path to samples directory on target
240 --toolchain=NAME set tool defaults according to NAME
241 --nm=NM use nm tool
242 --ar=AR use archive tool AR [$ar_default]
243 --as=AS use assembler AS [$as_default]
244 --cc=CC use C compiler CC [$cc_default]
245 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
246 --ld=LD use linker LD
247 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
248 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
249 --host-cc=HOSTCC use host C compiler HOSTCC
250 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
251 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
252 --host-ld=HOSTLD use host linker HOSTLD
253 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
254 --host-libs=HLIBS use libs HLIBS when linking for host
255 --host-os=OS compiler host OS [$target_os]
256 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
257 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
258 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
259 --extra-libs=ELIBS add ELIBS [$ELIBS]
260 --extra-version=STRING version string suffix []
261 --optflags=OPTFLAGS override optimization-related compiler flags
262 --build-suffix=SUFFIX library name suffix []
263 --enable-pic build position-independent code
264 --enable-thumb compile for Thumb instruction set
265 --enable-lto use link-time optimization
266 --env="ENV=override" override the environment variables
267
268 Advanced options (experts only):
269 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
270 --disable-symver disable symbol versioning
271 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
272 --disable-safe-bitstream-reader
273 disable buffer boundary checking in bitreaders
274 (faster, but may crash)
275 --enable-memalign-hack emulate memalign, interferes with memory debuggers
276 --enable-sram allow use of on-chip SRAM
277
278 Optimization options (experts only):
279 --disable-asm disable all assembly optimizations
280 --disable-altivec disable AltiVec optimizations
281 --disable-vsx disable VSX optimizations
282 --disable-power8 disable POWER8 optimizations
283 --disable-amd3dnow disable 3DNow! optimizations
284 --disable-amd3dnowext disable 3DNow! extended optimizations
285 --disable-mmx disable MMX optimizations
286 --disable-mmxext disable MMXEXT optimizations
287 --disable-sse disable SSE optimizations
288 --disable-sse2 disable SSE2 optimizations
289 --disable-sse3 disable SSE3 optimizations
290 --disable-ssse3 disable SSSE3 optimizations
291 --disable-sse4 disable SSE4 optimizations
292 --disable-sse42 disable SSE4.2 optimizations
293 --disable-avx disable AVX optimizations
294 --disable-xop disable XOP optimizations
295 --disable-fma3 disable FMA3 optimizations
296 --disable-fma4 disable FMA4 optimizations
297 --disable-avx2 disable AVX2 optimizations
298 --disable-armv5te disable armv5te optimizations
299 --disable-armv6 disable armv6 optimizations
300 --disable-armv6t2 disable armv6t2 optimizations
301 --disable-vfp disable VFP optimizations
302 --disable-neon disable NEON optimizations
303 --disable-inline-asm disable use of inline assembly
304 --disable-yasm disable use of nasm/yasm assembly
305
306 Developer options (useful when working on Libav itself):
307 --disable-debug disable debugging symbols
308 --enable-debug=LEVEL set the debug level [$debuglevel]
309 --disable-optimizations disable compiler optimizations
310 --enable-extra-warnings enable more compiler warnings
311 --samples=PATH location of test samples for FATE, if not set use
312 \$LIBAV_SAMPLES at make invocation time.
313 --enable-neon-clobber-test check NEON registers for clobbering (should be
314 used only for debugging purposes)
315 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
316 should be used only for debugging purposes)
317 --enable-random randomly enable/disable components
318 --disable-random
319 --enable-random=LIST randomly enable/disable specific components or
320 --disable-random=LIST component groups. LIST is a comma-separated list
321 of NAME[:PROB] entries where NAME is a component
322 (group) and PROB the probability associated with
323 NAME (default 0.5).
324 --random-seed=VALUE seed value for --enable/disable-random
325 --disable-valgrind-backtrace do not print a backtrace under Valgrind
326 (only applies to --disable-optimizations builds)
327
328 NOTE: Object files are built at the place where configure is launched.
329 EOF
330 exit 0
331 }
332
333 quotes='""'
334
335 log(){
336 echo "$@" >> $logfile
337 }
338
339 log_file(){
340 log BEGIN $1
341 pr -n -t $1 >> $logfile
342 log END $1
343 }
344
345 echolog(){
346 log "$@"
347 echo "$@"
348 }
349
350 warn(){
351 log "WARNING: $*"
352 WARNINGS="${WARNINGS}WARNING: $*\n"
353 }
354
355 die(){
356 echolog "$@"
357 cat <<EOF
358
359 If you think configure made a mistake, make sure you are using the latest
360 version from Git. If the latest version fails, report the problem to the
361 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
362 EOF
363 if disabled logging; then
364 cat <<EOF
365 Rerun configure with logging enabled (do not use --disable-logging), and
366 include the log this produces with your report.
367 EOF
368 else
369 cat <<EOF
370 Include the log file "$logfile" produced by configure as this will help
371 solving the problem.
372 EOF
373 fi
374 exit 1
375 }
376
377 # Avoid locale weirdness, besides we really just want to translate ASCII.
378 toupper(){
379 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
380 }
381
382 tolower(){
383 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
384 }
385
386 c_escape(){
387 echo "$*" | sed 's/["\\]/\\\0/g'
388 }
389
390 sh_quote(){
391 v=$(echo "$1" | sed "s/'/'\\\\''/g")
392 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
393 echo "$v"
394 }
395
396 cleanws(){
397 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
398 }
399
400 filter(){
401 pat=$1
402 shift
403 for v; do
404 eval "case $v in $pat) echo $v ;; esac"
405 done
406 }
407
408 filter_out(){
409 pat=$1
410 shift
411 for v; do
412 eval "case $v in $pat) ;; *) echo $v ;; esac"
413 done
414 }
415
416 map(){
417 m=$1
418 shift
419 for v; do eval $m; done
420 }
421
422 add_suffix(){
423 suffix=$1
424 shift
425 for v; do echo ${v}${suffix}; done
426 }
427
428 set_all(){
429 value=$1
430 shift
431 for var in $*; do
432 eval $var=$value
433 done
434 }
435
436 set_weak(){
437 value=$1
438 shift
439 for var; do
440 eval : \${$var:=$value}
441 done
442 }
443
444 sanitize_var_name(){
445 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
446 }
447
448 set_safe(){
449 var=$1
450 shift
451 eval $(sanitize_var_name "$var")='$*'
452 }
453
454 get_safe(){
455 eval echo \$$(sanitize_var_name "$1")
456 }
457
458 pushvar(){
459 for pvar in $*; do
460 eval level=\${${pvar}_level:=0}
461 eval ${pvar}_${level}="\$$pvar"
462 eval ${pvar}_level=$(($level+1))
463 done
464 }
465
466 popvar(){
467 for pvar in $*; do
468 eval level=\${${pvar}_level:-0}
469 test $level = 0 && continue
470 eval level=$(($level-1))
471 eval $pvar="\${${pvar}_${level}}"
472 eval ${pvar}_level=$level
473 eval unset ${pvar}_${level}
474 done
475 }
476
477 enable(){
478 set_all yes $*
479 }
480
481 disable(){
482 set_all no $*
483 }
484
485 enable_weak(){
486 set_weak yes $*
487 }
488
489 disable_weak(){
490 set_weak no $*
491 }
492
493 enable_safe(){
494 for var; do
495 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
496 done
497 }
498
499 disable_safe(){
500 for var; do
501 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
502 done
503 }
504
505 do_enable_deep(){
506 for var; do
507 enabled $var && continue
508 eval sel="\$${var}_select"
509 eval sgs="\$${var}_suggest"
510 pushvar var sgs
511 enable_deep $sel
512 popvar sgs
513 enable_deep_weak $sgs
514 popvar var
515 done
516 }
517
518 enable_deep(){
519 do_enable_deep $*
520 enable $*
521 }
522
523 enable_deep_weak(){
524 for var; do
525 disabled $var && continue
526 pushvar var
527 do_enable_deep $var
528 popvar var
529 enable_weak $var
530 done
531 }
532
533 enabled(){
534 test "${1#!}" = "$1" && op== || op=!=
535 eval test "x\$${1#!}" $op "xyes"
536 }
537
538 disabled(){
539 test "${1#!}" = "$1" && op== || op=!=
540 eval test "x\$${1#!}" $op "xno"
541 }
542
543 enabled_all(){
544 for opt; do
545 enabled $opt || return 1
546 done
547 }
548
549 disabled_all(){
550 for opt; do
551 disabled $opt || return 1
552 done
553 }
554
555 enabled_any(){
556 for opt; do
557 enabled $opt && return 0
558 done
559 }
560
561 disabled_any(){
562 for opt; do
563 disabled $opt && return 0
564 done
565 return 1
566 }
567
568 set_default(){
569 for opt; do
570 eval : \${$opt:=\$${opt}_default}
571 done
572 }
573
574 is_in(){
575 value=$1
576 shift
577 for var in $*; do
578 [ $var = $value ] && return 0
579 done
580 return 1
581 }
582
583 do_check_deps(){
584 for cfg; do
585 cfg="${cfg#!}"
586 enabled ${cfg}_checking && die "Circular dependency for $cfg."
587 disabled ${cfg}_checking && continue
588 enable ${cfg}_checking
589 append allopts $cfg
590
591 eval dep_all="\$${cfg}_deps"
592 eval dep_any="\$${cfg}_deps_any"
593 eval dep_sel="\$${cfg}_select"
594 eval dep_sgs="\$${cfg}_suggest"
595 eval dep_ifa="\$${cfg}_if"
596 eval dep_ifn="\$${cfg}_if_any"
597
598 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
599 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
600 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
601
602 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
603 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
604 enabled_all $dep_all || disable $cfg
605 enabled_any $dep_any || disable $cfg
606 disabled_any $dep_sel && disable $cfg
607
608 if enabled $cfg; then
609 enable_deep $dep_sel
610 enable_deep_weak $dep_sgs
611 fi
612
613 disable ${cfg}_checking
614 done
615 }
616
617 check_deps(){
618 unset allopts
619
620 do_check_deps "$@"
621
622 for cfg in $allopts; do
623 enabled $cfg || continue
624 eval dep_extralibs="\$${cfg}_extralibs"
625 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
626 done
627 }
628
629 print_config(){
630 pfx=$1
631 files=$2
632 shift 2
633 map 'eval echo "$v \${$v:-no}"' "$@" |
634 awk "BEGIN { split(\"$files\", files) }
635 {
636 c = \"$pfx\" toupper(\$1);
637 v = \$2;
638 sub(/yes/, 1, v);
639 sub(/no/, 0, v);
640 for (f in files) {
641 file = files[f];
642 if (file ~ /\\.h\$/) {
643 printf(\"#define %s %d\\n\", c, v) >>file;
644 } else if (file ~ /\\.asm\$/) {
645 printf(\"%%define %s %d\\n\", c, v) >>file;
646 } else if (file ~ /\\.mak\$/) {
647 n = -v ? \"\" : \"!\";
648 printf(\"%s%s=yes\\n\", n, c) >>file;
649 }
650 }
651 }"
652 }
653
654 print_enabled(){
655 suf=$1
656 shift
657 for v; do
658 enabled $v && printf "%s\n" ${v%$suf};
659 done
660 }
661
662 append(){
663 var=$1
664 shift
665 eval "$var=\"\$$var $*\""
666 }
667
668 prepend(){
669 var=$1
670 shift
671 eval "$var=\"$* \$$var\""
672 }
673
674 unique(){
675 var=$1
676 uniq_list=""
677 for tok in $(eval echo \$$var); do
678 uniq_list="$(filter_out $tok $uniq_list) $tok"
679 done
680 eval "$var=\"${uniq_list}\""
681 }
682
683 add_cppflags(){
684 append CPPFLAGS "$@"
685 }
686
687 add_cflags(){
688 append CFLAGS $($cflags_filter "$@")
689 }
690
691 add_asflags(){
692 append ASFLAGS $($asflags_filter "$@")
693 }
694
695 add_ldflags(){
696 append LDFLAGS $($ldflags_filter "$@")
697 }
698
699 add_ldexeflags(){
700 append LDEXEFLAGS $($ldflags_filter "$@")
701 }
702
703 add_stripflags(){
704 append STRIPFLAGS "$@"
705 }
706
707 add_extralibs(){
708 prepend extralibs $($ldflags_filter "$@")
709 }
710
711 add_host_cppflags(){
712 append host_cppflags "$@"
713 }
714
715 add_host_cflags(){
716 append host_cflags $($host_cflags_filter "$@")
717 }
718
719 add_host_ldflags(){
720 append host_ldflags $($host_ldflags_filter "$@")
721 }
722
723 add_compat(){
724 append compat_objs $1
725 shift
726 map 'add_cppflags -D$v' "$@"
727 }
728
729 check_cmd(){
730 log "$@"
731 "$@" >> $logfile 2>&1
732 }
733
734 cc_o(){
735 eval printf '%s\\n' $CC_O
736 }
737
738 cc_e(){
739 eval printf '%s\\n' $CC_E
740 }
741
742 check_cc(){
743 log check_cc "$@"
744 cat > $TMPC
745 log_file $TMPC
746 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
747 }
748
749 check_cpp(){
750 log check_cpp "$@"
751 cat > $TMPC
752 log_file $TMPC
753 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
754 }
755
756 as_o(){
757 eval printf '%s\\n' $AS_O
758 }
759
760 check_as(){
761 log check_as "$@"
762 cat > $TMPS
763 log_file $TMPS
764 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
765 }
766
767 check_inline_asm(){
768 log check_inline_asm "$@"
769 name="$1"
770 code="$2"
771 shift 2
772 disable $name
773 check_cc "$@" <<EOF && enable $name
774 void foo(void){ __asm__ volatile($code); }
775 EOF
776 }
777
778 check_insn(){
779 log check_insn "$@"
780 check_inline_asm ${1}_inline "\"$2\""
781 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
782 }
783
784 check_yasm(){
785 log check_yasm "$@"
786 echo "$1" > $TMPS
787 log_file $TMPS
788 shift 1
789 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
790 }
791
792 ld_o(){
793 eval printf '%s\\n' $LD_O
794 }
795
796 check_ld(){
797 log check_ld "$@"
798 flags=$(filter_out '-l*' "$@")
799 libs=$(filter '-l*' "$@")
800 check_cc $($cflags_filter $flags) || return
801 flags=$($ldflags_filter $flags)
802 libs=$($ldflags_filter $libs)
803 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
804 }
805
806 print_include(){
807 hdr=$1
808 test "${hdr%.h}" = "${hdr}" &&
809 echo "#include $hdr" ||
810 echo "#include <$hdr>"
811 }
812
813 check_code(){
814 log check_code "$@"
815 check=$1
816 headers=$2
817 code=$3
818 shift 3
819 {
820 for hdr in $headers; do
821 print_include $hdr
822 done
823 echo "int main(void) { $code; return 0; }"
824 } | check_$check "$@"
825 }
826
827 check_cppflags(){
828 log check_cppflags "$@"
829 check_cc "$@" <<EOF && append CPPFLAGS "$@"
830 int x;
831 EOF
832 }
833
834 test_cflags(){
835 log test_cflags "$@"
836 set -- $($cflags_filter "$@")
837 check_cc "$@" <<EOF
838 int x;
839 EOF
840 }
841
842 check_cflags(){
843 log check_cflags "$@"
844 test_cflags "$@" && add_cflags "$@"
845 }
846
847 test_ldflags(){
848 log test_ldflags "$@"
849 check_ld "$@" <<EOF
850 int main(void){ return 0; }
851 EOF
852 }
853
854 check_ldflags(){
855 log check_ldflags "$@"
856 test_ldflags "$@" && add_ldflags "$@"
857 }
858
859 test_stripflags(){
860 log test_stripflags "$@"
861 # call check_cc to get a fresh TMPO
862 check_cc <<EOF
863 int main(void) { return 0; }
864 EOF
865 check_cmd $strip $STRIPFLAGS "$@" $TMPO
866 }
867
868 check_stripflags(){
869 log check_stripflags "$@"
870 test_stripflags "$@" && add_stripflags "$@"
871 }
872
873 check_header(){
874 log check_header "$@"
875 header=$1
876 shift
877 disable_safe $header
878 check_cpp "$@" <<EOF && enable_safe $header
879 #include <$header>
880 int x;
881 EOF
882 }
883
884 check_func(){
885 log check_func "$@"
886 func=$1
887 shift
888 disable $func
889 check_ld "$@" <<EOF && enable $func
890 extern int $func();
891 int main(void){ $func(); }
892 EOF
893 }
894
895 check_mathfunc(){
896 log check_mathfunc "$@"
897 func=$1
898 narg=$2
899 shift 2
900 test $narg = 2 && args="f, g" || args="f"
901 disable $func
902 check_ld "$@" <<EOF && enable $func
903 #include <math.h>
904 float foo(float f, float g) { return $func($args); }
905 int main(void){ return 0; }
906 EOF
907 }
908
909 check_func_headers(){
910 log check_func_headers "$@"
911 headers=$1
912 funcs=$2
913 shift 2
914 {
915 for hdr in $headers; do
916 print_include $hdr
917 done
918 for func in $funcs; do
919 echo "long check_$func(void) { return (long) $func; }"
920 done
921 echo "int main(void) { return 0; }"
922 } | check_ld "$@" && enable $funcs && enable_safe $headers
923 }
924
925 check_cpp_condition(){
926 log check_cpp_condition "$@"
927 header=$1
928 condition=$2
929 shift 2
930 check_cpp "$@" <<EOF
931 #include <$header>
932 #if !($condition)
933 #error "unsatisfied condition: $condition"
934 #endif
935 EOF
936 }
937
938 check_lib(){
939 log check_lib "$@"
940 header="$1"
941 func="$2"
942 shift 2
943 check_header $header && check_func $func "$@" && add_extralibs "$@"
944 }
945
946 check_lib2(){
947 log check_lib2 "$@"
948 headers="$1"
949 funcs="$2"
950 shift 2
951 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
952 }
953
954 check_pkg_config(){
955 log check_pkg_config "$@"
956 pkg="$1"
957 headers="$2"
958 funcs="$3"
959 shift 3
960 check_cmd $pkg_config --exists --print-errors $pkg || return
961 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
962 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
963 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
964 set_safe "${pkg}_cflags" $pkg_cflags &&
965 set_safe "${pkg}_libs" $pkg_libs
966 }
967
968 check_exec(){
969 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
970 }
971
972 check_exec_crash(){
973 code=$(cat)
974
975 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
976 # are safe but may not be available everywhere. Thus we use
977 # raise(SIGTERM) instead. The check is run in a subshell so we
978 # can redirect the "Terminated" message from the shell. SIGBUS
979 # is not defined by standard C so it is used conditionally.
980
981 (check_exec "$@") >> $logfile 2>&1 <<EOF
982 #include <signal.h>
983 static void sighandler(int sig){
984 raise(SIGTERM);
985 }
986 int foo(void){
987 $code
988 }
989 int (*func_ptr)(void) = foo;
990 int main(void){
991 signal(SIGILL, sighandler);
992 signal(SIGFPE, sighandler);
993 signal(SIGSEGV, sighandler);
994 #ifdef SIGBUS
995 signal(SIGBUS, sighandler);
996 #endif
997 return func_ptr();
998 }
999 EOF
1000 }
1001
1002 check_type(){
1003 log check_type "$@"
1004 headers=$1
1005 type=$2
1006 shift 2
1007 disable_safe "$type"
1008 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1009 }
1010
1011 check_struct(){
1012 log check_struct "$@"
1013 headers=$1
1014 struct=$2
1015 member=$3
1016 shift 3
1017 disable_safe "${struct}_${member}"
1018 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1019 enable_safe "${struct}_${member}"
1020 }
1021
1022 check_builtin(){
1023 log check_builtin "$@"
1024 name=$1
1025 headers=$2
1026 builtin=$3
1027 shift 3
1028 disable "$name"
1029 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1030 }
1031
1032 check_compile_assert(){
1033 log check_compile_assert "$@"
1034 name=$1
1035 headers=$2
1036 condition=$3
1037 shift 3
1038 disable "$name"
1039 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1040 }
1041
1042 require(){
1043 name="$1"
1044 header="$2"
1045 func="$3"
1046 shift 3
1047 check_lib $header $func "$@" || die "ERROR: $name not found"
1048 }
1049
1050 require2(){
1051 name="$1"
1052 headers="$2"
1053 func="$3"
1054 shift 3
1055 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1056 }
1057
1058 require_pkg_config(){
1059 pkg="$1"
1060 check_pkg_config "$@" || die "ERROR: $pkg not found"
1061 add_cflags $(get_safe "${pkg}_cflags")
1062 add_extralibs $(get_safe "${pkg}_libs")
1063 }
1064
1065 hostcc_e(){
1066 eval printf '%s\\n' $HOSTCC_E
1067 }
1068
1069 hostcc_o(){
1070 eval printf '%s\\n' $HOSTCC_O
1071 }
1072
1073 check_host_cc(){
1074 log check_host_cc "$@"
1075 cat > $TMPC
1076 log_file $TMPC
1077 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1078 }
1079
1080 check_host_cpp(){
1081 log check_host_cpp "$@"
1082 cat > $TMPC
1083 log_file $TMPC
1084 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1085 }
1086
1087 check_host_cppflags(){
1088 log check_host_cppflags "$@"
1089 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1090 int x;
1091 EOF
1092 }
1093
1094 check_host_cflags(){
1095 log check_host_cflags "$@"
1096 set -- $($host_cflags_filter "$@")
1097 check_host_cc "$@" <<EOF && append host_cflags "$@"
1098 int x;
1099 EOF
1100 }
1101
1102 check_host_cpp_condition(){
1103 log check_host_cpp_condition "$@"
1104 header=$1
1105 condition=$2
1106 shift 2
1107 check_host_cpp "$@" <<EOF
1108 #include <$header>
1109 #if !($condition)
1110 #error "unsatisfied condition: $condition"
1111 #endif
1112 EOF
1113 }
1114
1115 apply(){
1116 file=$1
1117 shift
1118 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1119 }
1120
1121 cp_if_changed(){
1122 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1123 mkdir -p "$(dirname $2)"
1124 $cp_f "$1" "$2"
1125 }
1126
1127 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1128 # system-dependent things.
1129
1130 COMPONENT_LIST="
1131 bsfs
1132 decoders
1133 demuxers
1134 encoders
1135 filters
1136 hwaccels
1137 indevs
1138 muxers
1139 outdevs
1140 parsers
1141 protocols
1142 "
1143
1144 EXAMPLE_LIST="
1145 avcodec_example
1146 filter_audio_example
1147 metadata_example
1148 output_example
1149 qsvdec_example
1150 transcode_aac_example
1151 "
1152
1153 EXTERNAL_LIBRARY_LIST="
1154 avisynth
1155 bzlib
1156 frei0r
1157 gnutls
1158 libbs2b
1159 libcdio
1160 libdc1394
1161 libdcadec
1162 libfaac
1163 libfdk_aac
1164 libfontconfig
1165 libfreetype
1166 libgsm
1167 libilbc
1168 libmfx
1169 libmp3lame
1170 libopencore_amrnb
1171 libopencore_amrwb
1172 libopencv
1173 libopenh264
1174 libopenjpeg
1175 libopus
1176 libpulse
1177 librtmp
1178 libschroedinger
1179 libspeex
1180 libtheora
1181 libtwolame
1182 libvo_aacenc
1183 libvo_amrwbenc
1184 libvorbis
1185 libvpx
1186 libwavpack
1187 libwebp
1188 libx264
1189 libx265
1190 libxavs
1191 libxcb
1192 libxcb_shm
1193 libxcb_xfixes
1194 libxvid
1195 mmal
1196 nvenc
1197 openssl
1198 x11grab
1199 zlib
1200 "
1201
1202 FEATURE_LIST="
1203 gray
1204 hardcoded_tables
1205 runtime_cpudetect
1206 safe_bitstream_reader
1207 shared
1208 small
1209 sram
1210 static
1211 swscale_alpha
1212 "
1213
1214 HWACCEL_LIST="
1215 d3d11va
1216 dxva2
1217 vaapi
1218 vda
1219 vdpau
1220 "
1221
1222 LIBRARY_LIST="
1223 avcodec
1224 avdevice
1225 avfilter
1226 avformat
1227 avresample
1228 avutil
1229 swscale
1230 "
1231
1232 LICENSE_LIST="
1233 gpl
1234 nonfree
1235 version3
1236 "
1237
1238 PROGRAM_LIST="
1239 avconv
1240 avplay
1241 avprobe
1242 "
1243
1244 SUBSYSTEM_LIST="
1245 dct
1246 doc
1247 error_resilience
1248 faan
1249 fft
1250 lsp
1251 lzo
1252 mdct
1253 network
1254 rdft
1255 "
1256
1257 CONFIG_LIST="
1258 $COMPONENT_LIST
1259 $EXAMPLE_LIST
1260 $EXTERNAL_LIBRARY_LIST
1261 $FEATURE_LIST
1262 $HWACCEL_LIST
1263 $LICENSE_LIST
1264 $LIBRARY_LIST
1265 $PROGRAM_LIST
1266 $SUBSYSTEM_LIST
1267 memalign_hack
1268 neon_clobber_test
1269 pic
1270 pod2man
1271 texi2html
1272 thumb
1273 valgrind_backtrace
1274 xmm_clobber_test
1275 "
1276
1277 THREADS_LIST="
1278 pthreads
1279 w32threads
1280 "
1281
1282 ATOMICS_LIST="
1283 atomics_gcc
1284 atomics_suncc
1285 atomics_win32
1286 "
1287
1288 ARCH_LIST="
1289 aarch64
1290 alpha
1291 arm
1292 avr32
1293 avr32_ap
1294 avr32_uc
1295 bfin
1296 ia64
1297 m68k
1298 mips
1299 mips64
1300 parisc
1301 ppc
1302 ppc64
1303 s390
1304 sh4
1305 sparc
1306 sparc64
1307 tilegx
1308 tilepro
1309 tomi
1310 x86
1311 x86_32
1312 x86_64
1313 "
1314
1315 ARCH_EXT_LIST_ARM="
1316 armv5te
1317 armv6
1318 armv6t2
1319 armv8
1320 neon
1321 vfp
1322 vfpv3
1323 "
1324
1325 ARCH_EXT_LIST_X86_SIMD="
1326 amd3dnow
1327 amd3dnowext
1328 avx
1329 avx2
1330 fma3
1331 fma4
1332 mmx
1333 mmxext
1334 sse
1335 sse2
1336 sse3
1337 sse4
1338 sse42
1339 ssse3
1340 xop
1341 "
1342
1343 ARCH_EXT_LIST_PPC="
1344 altivec
1345 dcbzl
1346 ldbrx
1347 power8
1348 ppc4xx
1349 vsx
1350 "
1351
1352 ARCH_EXT_LIST_X86="
1353 $ARCH_EXT_LIST_X86_SIMD
1354 cpunop
1355 i686
1356 "
1357
1358 ARCH_EXT_LIST="
1359 $ARCH_EXT_LIST_ARM
1360 $ARCH_EXT_LIST_PPC
1361 $ARCH_EXT_LIST_X86
1362 loongson
1363 vis
1364 "
1365
1366 ARCH_FEATURES="
1367 aligned_stack
1368 fast_64bit
1369 fast_clz
1370 fast_cmov
1371 local_aligned_8
1372 local_aligned_16
1373 simd_align_16
1374 "
1375
1376 BUILTIN_LIST="
1377 atomic_cas_ptr
1378 machine_rw_barrier
1379 MemoryBarrier
1380 mm_empty
1381 rdtsc
1382 sync_val_compare_and_swap
1383 "
1384 HAVE_LIST_CMDLINE="
1385 inline_asm
1386 symver
1387 yasm
1388 "
1389
1390 HAVE_LIST_PUB="
1391 bigendian
1392 fast_unaligned
1393 "
1394
1395 HEADERS_LIST="
1396 alsa_asoundlib_h
1397 altivec_h
1398 arpa_inet_h
1399 cdio_paranoia_h
1400 cdio_paranoia_paranoia_h
1401 dev_bktr_ioctl_bt848_h
1402 dev_bktr_ioctl_meteor_h
1403 dev_ic_bt8xx_h
1404 dev_video_bktr_ioctl_bt848_h
1405 dev_video_meteor_ioctl_meteor_h
1406 direct_h
1407 dlfcn_h
1408 d3d11_h
1409 dxva_h
1410 gsm_h
1411 io_h
1412 mach_mach_time_h
1413 machine_ioctl_bt848_h
1414 machine_ioctl_meteor_h
1415 malloc_h
1416 poll_h
1417 sndio_h
1418 soundcard_h
1419 sys_mman_h
1420 sys_param_h
1421 sys_resource_h
1422 sys_select_h
1423 sys_soundcard_h
1424 sys_time_h
1425 sys_un_h
1426 sys_videoio_h
1427 unistd_h
1428 valgrind_valgrind_h
1429 windows_h
1430 winsock2_h
1431 "
1432
1433 INTRINSICS_LIST="
1434 intrinsics_neon
1435 "
1436
1437 MATH_FUNCS="
1438 atanf
1439 atan2f
1440 cbrtf
1441 cosf
1442 exp2
1443 exp2f
1444 expf
1445 isinf
1446 isnan
1447 ldexpf
1448 llrint
1449 llrintf
1450 log2
1451 log2f
1452 log10f
1453 lrint
1454 lrintf
1455 powf
1456 rint
1457 round
1458 roundf
1459 sinf
1460 trunc
1461 truncf
1462 "
1463
1464 SYSTEM_FUNCS="
1465 aligned_malloc
1466 clock_gettime
1467 closesocket
1468 CommandLineToArgvW
1469 CoTaskMemFree
1470 CryptGenRandom
1471 dlopen
1472 fcntl
1473 flt_lim
1474 fork
1475 getaddrinfo
1476 gethrtime
1477 getopt
1478 GetProcessAffinityMask
1479 GetProcessMemoryInfo
1480 GetProcessTimes
1481 getrusage
1482 getservbyport
1483 GetSystemTimeAsFileTime
1484 gettimeofday
1485 gmtime_r
1486 inet_aton
1487 isatty
1488 jack_port_get_latency_range
1489 LoadLibrary
1490 localtime_r
1491 mach_absolute_time
1492 MapViewOfFile
1493 memalign
1494 mkstemp
1495 mmap
1496 mprotect
1497 nanosleep
1498 posix_memalign
1499 sched_getaffinity
1500 SetConsoleTextAttribute
1501 setmode
1502 setrlimit
1503 Sleep
1504 strerror_r
1505 sysconf
1506 sysctl
1507 usleep
1508 VirtualAlloc
1509 "
1510
1511 TOOLCHAIN_FEATURES="
1512 as_dn_directive
1513 as_func
1514 as_object_arch
1515 asm_mod_q
1516 attribute_may_alias
1517 attribute_packed
1518 ebp_available
1519 ebx_available
1520 gnu_as
1521 ibm_asm
1522 inline_asm_labels
1523 pragma_deprecated
1524 symver_asm_label
1525 symver_gnu_asm
1526 vfp_args
1527 xform_asm
1528 xmm_clobbers
1529 "
1530
1531 TYPES_LIST="
1532 CONDITION_VARIABLE_Ptr
1533 socklen_t
1534 struct_addrinfo
1535 struct_group_source_req
1536 struct_ip_mreq_source
1537 struct_ipv6_mreq
1538 struct_pollfd
1539 struct_rusage_ru_maxrss
1540 struct_sockaddr_in6
1541 struct_sockaddr_sa_len
1542 struct_sockaddr_storage
1543 struct_v4l2_frmivalenum_discrete
1544 "
1545
1546 HAVE_LIST="
1547 $ARCH_EXT_LIST
1548 $(add_suffix _external $ARCH_EXT_LIST)
1549 $(add_suffix _inline $ARCH_EXT_LIST)
1550 $ARCH_FEATURES
1551 $ATOMICS_LIST
1552 $BUILTIN_LIST
1553 $HAVE_LIST_CMDLINE
1554 $HAVE_LIST_PUB
1555 $HEADERS_LIST
1556 $INTRINSICS_LIST
1557 $MATH_FUNCS
1558 $SYSTEM_FUNCS
1559 $THREADS_LIST
1560 $TOOLCHAIN_FEATURES
1561 $TYPES_LIST
1562 atomics_native
1563 dos_paths
1564 dxva2_lib
1565 libc_msvcrt
1566 libdc1394_1
1567 libdc1394_2
1568 sdl
1569 section_data_rel_ro
1570 threads
1571 vaapi_x11
1572 vdpau_x11
1573 xlib
1574 "
1575
1576 # options emitted with CONFIG_ prefix but not available on the command line
1577 CONFIG_EXTRA="
1578 aandcttables
1579 ac3dsp
1580 audio_frame_queue
1581 audiodsp
1582 blockdsp
1583 bswapdsp
1584 cabac
1585 dvprofile
1586 faandct
1587 faanidct
1588 fdctdsp
1589 fmtconvert
1590 gcrypt
1591 gmp
1592 golomb
1593 gplv3
1594 h263dsp
1595 h264chroma
1596 h264dsp
1597 h264pred
1598 h264qpel
1599 hpeldsp
1600 huffman
1601 huffyuvdsp
1602 huffyuvencdsp
1603 idctdsp
1604 iirfilter
1605 imdct15
1606 intrax8
1607 jpegtables
1608 lgplv3
1609 lpc
1610 me_cmp
1611 mpeg_er
1612 mpegaudio
1613 mpegaudiodsp
1614 mpegvideo
1615 mpegvideoenc
1616 pixblockdsp
1617 qpeldsp
1618 qsv
1619 qsvdec
1620 qsvenc
1621 rangecoder
1622 riffdec
1623 riffenc
1624 rtpdec
1625 rtpenc_chain
1626 sinewin
1627 snappy
1628 startcode
1629 texturedsp
1630 texturedspenc
1631 tpeldsp
1632 videodsp
1633 vp3dsp
1634 wma_freqs
1635 "
1636
1637 CMDLINE_SELECT="
1638 $ARCH_EXT_LIST
1639 $CONFIG_LIST
1640 $HAVE_LIST_CMDLINE
1641 $THREADS_LIST
1642 asm
1643 cross_compile
1644 debug
1645 extra_warnings
1646 logging
1647 lto
1648 optimizations
1649 rpath
1650 "
1651
1652 PATHS_LIST="
1653 bindir
1654 datadir
1655 docdir
1656 incdir
1657 libdir
1658 mandir
1659 prefix
1660 shlibdir
1661 "
1662
1663 CMDLINE_SET="
1664 $PATHS_LIST
1665 ar
1666 arch
1667 as
1668 build_suffix
1669 cc
1670 cpu
1671 cross_prefix
1672 dep_cc
1673 env
1674 extra_version
1675 host_cc
1676 host_cflags
1677 host_ld
1678 host_ldflags
1679 host_libs
1680 host_os
1681 ld
1682 logfile
1683 malloc_prefix
1684 nm
1685 optflags
1686 pkg_config
1687 pkg_config_flags
1688 random_seed
1689 samples
1690 sysinclude
1691 sysroot
1692 target_exec
1693 target_os
1694 target_path
1695 target_samples
1696 toolchain
1697 "
1698
1699 CMDLINE_APPEND="
1700 extra_cflags
1701 host_cppflags
1702 "
1703
1704 # code dependency declarations
1705
1706 # architecture extensions
1707
1708 armv5te_deps="arm"
1709 armv6_deps="arm"
1710 armv6t2_deps="arm"
1711 armv8_deps="aarch64"
1712 neon_deps_any="aarch64 arm"
1713 intrinsics_neon_deps="neon"
1714 vfp_deps_any="aarch64 arm"
1715 vfpv3_deps="vfp"
1716
1717 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1718
1719 altivec_deps="ppc"
1720 ppc4xx_deps="ppc"
1721 vsx_deps="altivec"
1722 power8_deps="vsx"
1723
1724 cpunop_deps="i686"
1725 x86_64_select="i686"
1726 x86_64_suggest="fast_cmov"
1727
1728 amd3dnow_deps="mmx"
1729 amd3dnowext_deps="amd3dnow"
1730 i686_deps="x86"
1731 mmx_deps="x86"
1732 mmxext_deps="mmx"
1733 sse_deps="mmxext"
1734 sse2_deps="sse"
1735 sse3_deps="sse2"
1736 ssse3_deps="sse3"
1737 sse4_deps="ssse3"
1738 sse42_deps="sse4"
1739 avx_deps="sse42"
1740 xop_deps="avx"
1741 fma3_deps="avx"
1742 fma4_deps="avx"
1743 avx2_deps="avx"
1744
1745 mmx_external_deps="yasm"
1746 mmx_inline_deps="inline_asm"
1747 mmx_suggest="mmx_external mmx_inline"
1748
1749 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1750 eval dep=\$${ext}_deps
1751 eval ${ext}_external_deps='"${dep}_external"'
1752 eval ${ext}_inline_deps='"${dep}_inline"'
1753 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1754 done
1755
1756 aligned_stack_if_any="aarch64 ppc x86"
1757 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1758 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1759 fast_unaligned_if_any="aarch64 ppc x86"
1760 simd_align_16_if_any="altivec neon sse"
1761
1762 # system capabilities
1763 symver_if_any="symver_asm_label symver_gnu_asm"
1764 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
1765
1766 # threading support
1767 atomics_gcc_if="sync_val_compare_and_swap"
1768 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1769 atomics_win32_if="MemoryBarrier"
1770 atomics_native_if_any="$ATOMICS_LIST"
1771 w32threads_deps="atomics_native"
1772 threads_if_any="$THREADS_LIST"
1773
1774 # subsystems
1775 dct_select="rdft"
1776 error_resilience_select="me_cmp"
1777 faandct_deps="faan fdctdsp"
1778 faanidct_deps="faan idctdsp"
1779 intrax8_select="error_resilience"
1780 mdct_select="fft"
1781 rdft_select="fft"
1782 me_cmp_select="fdctdsp idctdsp pixblockdsp"
1783 mpeg_er_select="error_resilience"
1784 mpegaudio_select="mpegaudiodsp"
1785 mpegaudiodsp_select="dct"
1786 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp videodsp"
1787 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
1788 nvenc_deps_any="dlopen LoadLibrary"
1789 nvenc_extralibs='$ldl'
1790 qsvdec_select="qsv"
1791 qsvenc_select="qsv"
1792
1793 # decoders / encoders
1794 aac_decoder_select="imdct15 mdct sinewin"
1795 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
1796 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1797 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
1798 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1799 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
1800 aic_decoder_select="golomb idctdsp"
1801 alac_encoder_select="lpc"
1802 als_decoder_select="bswapdsp"
1803 amrnb_decoder_select="lsp"
1804 amrwb_decoder_select="lsp"
1805 amv_decoder_select="sp5x_decoder"
1806 ape_decoder_select="bswapdsp"
1807 asv1_decoder_select="blockdsp bswapdsp idctdsp"
1808 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
1809 asv2_decoder_select="blockdsp bswapdsp idctdsp"
1810 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
1811 atrac1_decoder_select="mdct sinewin"
1812 atrac3_decoder_select="mdct"
1813 atrac3p_decoder_select="mdct sinewin"
1814 bink_decoder_select="blockdsp hpeldsp"
1815 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
1816 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
1817 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
1818 cllc_decoder_select="bswapdsp"
1819 comfortnoise_encoder_select="lpc"
1820 cook_decoder_select="audiodsp mdct sinewin"
1821 cscd_decoder_select="lzo"
1822 cscd_decoder_suggest="zlib"
1823 dca_decoder_select="fmtconvert mdct"
1824 dnxhd_decoder_select="blockdsp idctdsp"
1825 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
1826 dvvideo_decoder_select="dvprofile idctdsp"
1827 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
1828 dxa_decoder_deps="zlib"
1829 eac3_decoder_select="ac3_decoder"
1830 eac3_encoder_select="ac3_encoder"
1831 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
1832 eatgq_decoder_select="aandcttables idctdsp"
1833 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
1834 exr_decoder_deps="zlib"
1835 ffv1_decoder_select="golomb rangecoder"
1836 ffv1_encoder_select="rangecoder"
1837 ffvhuff_decoder_select="huffyuv_decoder"
1838 ffvhuff_encoder_select="huffyuv_encoder"
1839 fic_decoder_select="golomb"
1840 flac_decoder_select="golomb"
1841 flac_encoder_select="bswapdsp golomb lpc"
1842 flashsv_decoder_deps="zlib"
1843 flashsv_encoder_deps="zlib"
1844 flashsv2_decoder_deps="zlib"
1845 flv_decoder_select="h263_decoder"
1846 flv_encoder_select="h263_encoder"
1847 fourxm_decoder_select="blockdsp bswapdsp"
1848 fraps_decoder_select="bswapdsp huffman"
1849 g2m_decoder_deps="zlib"
1850 g2m_decoder_select="blockdsp idctdsp jpegtables"
1851 h261_decoder_select="mpeg_er mpegvideo"
1852 h261_encoder_select="aandcttables mpegvideoenc"
1853 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
1854 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1855 h263i_decoder_select="h263_decoder"
1856 h263p_encoder_select="h263_encoder"
1857 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
1858 h264_decoder_suggest="error_resilience"
1859 h264_nvenc_encoder_deps="nvenc"
1860 h264_qsv_decoder_deps="libmfx"
1861 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
1862 h264_qsv_encoder_deps="libmfx"
1863 h264_qsv_encoder_select="qsvenc"
1864 hevc_decoder_select="bswapdsp cabac golomb videodsp"
1865 hevc_nvenc_encoder_deps="nvenc"
1866 huffyuv_decoder_select="bswapdsp huffyuvdsp"
1867 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
1868 iac_decoder_select="imc_decoder"
1869 imc_decoder_select="bswapdsp fft mdct sinewin"
1870 indeo3_decoder_select="hpeldsp"
1871 interplay_video_decoder_select="hpeldsp"
1872 jpegls_decoder_select="golomb mjpeg_decoder"
1873 jpegls_encoder_select="golomb"
1874 jv_decoder_select="blockdsp"
1875 lagarith_decoder_select="huffyuvdsp"
1876 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
1877 loco_decoder_select="golomb"
1878 mdec_decoder_select="blockdsp idctdsp mpegvideo"
1879 metasound_decoder_select="lsp mdct sinewin"
1880 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
1881 mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
1882 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
1883 mjpegb_decoder_select="mjpeg_decoder"
1884 mlp_decoder_select="mlp_parser"
1885 motionpixels_decoder_select="bswapdsp"
1886 mp1_decoder_select="mpegaudio"
1887 mp1float_decoder_select="mpegaudio"
1888 mp2_decoder_select="mpegaudio"
1889 mp2float_decoder_select="mpegaudio"
1890 mp3_decoder_select="mpegaudio"
1891 mp3adu_decoder_select="mpegaudio"
1892 mp3adufloat_decoder_select="mpegaudio"
1893 mp3float_decoder_select="mpegaudio"
1894 mp3on4_decoder_select="mpegaudio"
1895 mp3on4float_decoder_select="mpegaudio"
1896 mpc7_decoder_select="bswapdsp mpegaudiodsp"
1897 mpc8_decoder_select="mpegaudiodsp"
1898 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1899 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1900 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
1901 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1902 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
1903 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1904 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1905 mpeg4_encoder_select="h263_encoder"
1906 msmpeg4v1_decoder_select="h263_decoder"
1907 msmpeg4v2_decoder_select="h263_decoder"
1908 msmpeg4v2_encoder_select="h263_encoder"
1909 msmpeg4v3_decoder_select="h263_decoder"
1910 msmpeg4v3_encoder_select="h263_encoder"
1911 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
1912 mxpeg_decoder_select="mjpeg_decoder"
1913 nellymoser_decoder_select="mdct sinewin"
1914 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1915 nuv_decoder_select="idctdsp lzo"
1916 on2avc_decoder_select="mdct"
1917 opus_decoder_deps="avresample"
1918 opus_decoder_select="imdct15"
1919 png_decoder_deps="zlib"
1920 png_encoder_deps="zlib"
1921 png_encoder_select="huffyuvencdsp"
1922 prores_decoder_select="idctdsp"
1923 prores_encoder_select="fdctdsp"
1924 qcelp_decoder_select="lsp"
1925 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1926 ra_144_encoder_select="audio_frame_queue lpc"
1927 ralf_decoder_select="golomb"
1928 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
1929 rv10_encoder_select="h263_encoder"
1930 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
1931 rv20_encoder_select="h263_encoder"
1932 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
1933 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
1934 shorten_decoder_select="golomb"
1935 sipr_decoder_select="lsp"
1936 sp5x_decoder_select="mjpeg_decoder"
1937 svq1_decoder_select="hpeldsp"
1938 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
1939 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
1940 svq3_decoder_suggest="zlib"
1941 tak_decoder_select="audiodsp"
1942 tdsc_decoder_deps="zlib"
1943 tdsc_decoder_select="mjpeg_decoder"
1944 theora_decoder_select="vp3_decoder"
1945 thp_decoder_select="mjpeg_decoder"
1946 tiff_decoder_suggest="zlib"
1947 tiff_encoder_suggest="zlib"
1948 truehd_decoder_select="mlp_decoder"
1949 truemotion2_decoder_select="bswapdsp"
1950 truespeech_decoder_select="bswapdsp"
1951 tscc_decoder_deps="zlib"
1952 txd_decoder_select="texturedsp"
1953 twinvq_decoder_select="mdct lsp sinewin"
1954 utvideo_decoder_select="bswapdsp"
1955 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
1956 vble_decoder_select="huffyuvdsp"
1957 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
1958 vc1image_decoder_select="vc1_decoder"
1959 vorbis_decoder_select="mdct"
1960 vorbis_encoder_select="mdct"
1961 vp3_decoder_select="hpeldsp vp3dsp videodsp"
1962 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1963 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
1964 vp6a_decoder_select="vp6_decoder"
1965 vp6f_decoder_select="vp6_decoder"
1966 vp7_decoder_select="h264pred videodsp"
1967 vp8_decoder_select="h264pred videodsp"
1968 vp9_decoder_select="videodsp"
1969 webp_decoder_select="vp8_decoder"
1970 wmapro_decoder_select="mdct sinewin wma_freqs"
1971 wmav1_decoder_select="mdct sinewin wma_freqs"
1972 wmav1_encoder_select="mdct sinewin wma_freqs"
1973 wmav2_decoder_select="mdct sinewin wma_freqs"
1974 wmav2_encoder_select="mdct sinewin wma_freqs"
1975 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1976 wmv1_decoder_select="h263_decoder"
1977 wmv1_encoder_select="h263_encoder"
1978 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"
1979 wmv2_encoder_select="h263_encoder"
1980 wmv3_decoder_select="vc1_decoder"
1981 wmv3image_decoder_select="wmv3_decoder"
1982 zerocodec_decoder_deps="zlib"
1983 zlib_decoder_deps="zlib"
1984 zlib_encoder_deps="zlib"
1985 zmbv_decoder_deps="zlib"
1986 zmbv_encoder_deps="zlib"
1987
1988 # hardware accelerators
1989 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
1990 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
1991 vaapi_deps="va_va_h"
1992 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1993 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
1994 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1995
1996 h263_vaapi_hwaccel_deps="vaapi"
1997 h263_vaapi_hwaccel_select="h263_decoder"
1998 h263_vdpau_hwaccel_deps="vdpau"
1999 h263_vdpau_hwaccel_select="h263_decoder"
2000 h264_d3d11va_hwaccel_deps="d3d11va"
2001 h264_d3d11va_hwaccel_select="h264_decoder"
2002 h264_dxva2_hwaccel_deps="dxva2"
2003 h264_dxva2_hwaccel_select="h264_decoder"
2004 h264_mmal_decoder_deps="mmal"
2005 h264_mmal_hwaccel_deps="mmal"
2006 h264_mmal_decoder_select="h264_decoder"
2007 h264_mmal_encoder_deps="mmal"
2008 h264_qsv_hwaccel_deps="libmfx"
2009 h264_vaapi_hwaccel_deps="vaapi"
2010 h264_vaapi_hwaccel_select="h264_decoder"
2011 h264_vda_hwaccel_deps="vda"
2012 h264_vda_hwaccel_select="h264_decoder"
2013 h264_vda_old_hwaccel_deps="vda"
2014 h264_vda_old_hwaccel_select="h264_decoder"
2015 h264_vdpau_hwaccel_deps="vdpau"
2016 h264_vdpau_hwaccel_select="h264_decoder"
2017 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2018 hevc_d3d11va_hwaccel_select="hevc_decoder"
2019 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2020 hevc_dxva2_hwaccel_select="hevc_decoder"
2021 mpeg1_vdpau_hwaccel_deps="vdpau"
2022 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2023 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2024 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2025 mpeg2_dxva2_hwaccel_deps="dxva2"
2026 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2027 mpeg2_vaapi_hwaccel_deps="vaapi"
2028 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2029 mpeg2_vdpau_hwaccel_deps="vdpau"
2030 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2031 mpeg4_vaapi_hwaccel_deps="vaapi"
2032 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2033 mpeg4_vdpau_hwaccel_deps="vdpau"
2034 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2035 vc1_d3d11va_hwaccel_deps="d3d11va"
2036 vc1_d3d11va_hwaccel_select="vc1_decoder"
2037 vc1_dxva2_hwaccel_deps="dxva2"
2038 vc1_dxva2_hwaccel_select="vc1_decoder"
2039 vc1_vaapi_hwaccel_deps="vaapi"
2040 vc1_vaapi_hwaccel_select="vc1_decoder"
2041 vc1_vdpau_hwaccel_deps="vdpau"
2042 vc1_vdpau_hwaccel_select="vc1_decoder"
2043 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2044 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2045 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2046 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2047
2048 # parsers
2049 h264_parser_select="h264_decoder"
2050 mpegvideo_parser_select="mpegvideo"
2051 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
2052 vc1_parser_select="mpegvideo startcode vc1_decoder"
2053
2054 # bitstream_filters
2055 mjpeg2jpeg_bsf_select="jpegtables"
2056
2057 # external libraries
2058 libdcadec_decoder_deps="libdcadec"
2059 libfaac_encoder_deps="libfaac"
2060 libfaac_encoder_select="audio_frame_queue"
2061 libfdk_aac_decoder_deps="libfdk_aac"
2062 libfdk_aac_encoder_deps="libfdk_aac"
2063 libfdk_aac_encoder_select="audio_frame_queue"
2064 libgsm_decoder_deps="libgsm"
2065 libgsm_encoder_deps="libgsm"
2066 libgsm_ms_decoder_deps="libgsm"
2067 libgsm_ms_encoder_deps="libgsm"
2068 libilbc_decoder_deps="libilbc"
2069 libilbc_encoder_deps="libilbc"
2070 libmp3lame_encoder_deps="libmp3lame"
2071 libmp3lame_encoder_select="audio_frame_queue"
2072 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2073 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2074 libopencore_amrnb_encoder_select="audio_frame_queue"
2075 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2076 libopenh264_encoder_deps="libopenh264"
2077 libopenjpeg_decoder_deps="libopenjpeg"
2078 libopenjpeg_encoder_deps="libopenjpeg"
2079 libopus_decoder_deps="libopus"
2080 libopus_encoder_deps="libopus"
2081 libopus_encoder_select="audio_frame_queue"
2082 libschroedinger_decoder_deps="libschroedinger"
2083 libschroedinger_encoder_deps="libschroedinger"
2084 libspeex_decoder_deps="libspeex"
2085 libspeex_encoder_deps="libspeex"
2086 libspeex_encoder_select="audio_frame_queue"
2087 libtheora_encoder_deps="libtheora"
2088 libtwolame_encoder_deps="libtwolame"
2089 libvo_aacenc_encoder_deps="libvo_aacenc"
2090 libvo_aacenc_encoder_select="audio_frame_queue"
2091 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2092 libvorbis_encoder_deps="libvorbis"
2093 libvorbis_encoder_select="audio_frame_queue"
2094 libvpx_vp8_decoder_deps="libvpx"
2095 libvpx_vp8_encoder_deps="libvpx"
2096 libvpx_vp9_decoder_deps="libvpx"
2097 libvpx_vp9_encoder_deps="libvpx"
2098 libwavpack_encoder_deps="libwavpack"
2099 libwebp_encoder_deps="libwebp"
2100 libx264_encoder_deps="libx264"
2101 libx265_encoder_deps="libx265"
2102 libxavs_encoder_deps="libxavs"
2103 libxvid_encoder_deps="libxvid"
2104
2105 # demuxers / muxers
2106 ac3_demuxer_select="ac3_parser"
2107 asf_demuxer_select="riffdec"
2108 asf_muxer_select="riffenc"
2109 asf_stream_muxer_select="asf_muxer"
2110 avi_demuxer_select="riffdec"
2111 avi_muxer_select="riffenc"
2112 avisynth_demuxer_deps="avisynth"
2113 avisynth_demuxer_select="riffdec"
2114 caf_demuxer_select="riffdec"
2115 dash_muxer_select="mp4_muxer"
2116 dirac_demuxer_select="dirac_parser"
2117 dv_demuxer_select="dvprofile"
2118 dv_muxer_select="dvprofile"
2119 dxa_demuxer_select="riffdec"
2120 eac3_demuxer_select="ac3_parser"
2121 f4v_muxer_select="mov_muxer"
2122 flac_demuxer_select="flac_parser"
2123 hds_muxer_select="flv_muxer"
2124 hls_muxer_select="mpegts_muxer"
2125 ipod_muxer_select="mov_muxer"
2126 ismv_muxer_select="mov_muxer"
2127 matroska_audio_muxer_select="matroska_muxer"
2128 matroska_demuxer_select="riffdec"
2129 matroska_demuxer_suggest="bzlib lzo zlib"
2130 matroska_muxer_select="riffenc"
2131 mmf_muxer_select="riffenc"
2132 mov_demuxer_select="riffdec"
2133 mov_demuxer_suggest="zlib"
2134 mov_muxer_select="riffenc rtpenc_chain"
2135 mp3_demuxer_select="mpegaudio_parser"
2136 mp4_muxer_select="mov_muxer"
2137 mpegts_muxer_select="adts_muxer latm_muxer"
2138 mpegtsraw_demuxer_select="mpegts_demuxer"
2139 mxf_d10_muxer_select="mxf_muxer"
2140 nut_muxer_select="riffenc"
2141 nuv_demuxer_select="riffdec"
2142 oga_muxer_select="ogg_muxer"
2143 ogg_demuxer_select="golomb"
2144 opus_muxer_select="ogg_muxer"
2145 psp_muxer_select="mov_muxer"
2146 rtp_demuxer_select="sdp_demuxer"
2147 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2148 rtsp_demuxer_select="http_protocol rtpdec"
2149 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2150 sap_demuxer_select="sdp_demuxer"
2151 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2152 sdp_demuxer_select="rtpdec"
2153 smoothstreaming_muxer_select="ismv_muxer"
2154 spdif_muxer_select="aac_parser"
2155 spx_muxer_select="ogg_muxer"
2156 tak_demuxer_select="tak_parser"
2157 tg2_muxer_select="mov_muxer"
2158 tgp_muxer_select="mov_muxer"
2159 w64_demuxer_select="wav_demuxer"
2160 wav_demuxer_select="riffdec"
2161 wav_muxer_select="riffenc"
2162 webm_muxer_select="riffenc"
2163 wtv_demuxer_select="riffdec"
2164 xmv_demuxer_select="riffdec"
2165 xwma_demuxer_select="riffdec"
2166
2167 # indevs / outdevs
2168 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2169 alsa_outdev_deps="alsa_asoundlib_h"
2170 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2171 dv1394_indev_deps="dv1394"
2172 dv1394_indev_select="dv_demuxer"
2173 fbdev_indev_deps="linux_fb_h"
2174 jack_indev_deps="jack_jack_h pthreads"
2175 libcdio_indev_deps="libcdio"
2176 libdc1394_indev_deps="libdc1394"
2177 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2178 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2179 pulse_indev_deps="libpulse"
2180 sndio_indev_deps="sndio_h"
2181 sndio_outdev_deps="sndio_h"
2182 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2183 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2184 vfwcap_indev_extralibs="-lavicap32"
2185 x11grab_indev_deps="x11grab"
2186 x11grab_xcb_indev_deps="libxcb"
2187
2188 # protocols
2189 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2190 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2191 ffrtmpcrypt_protocol_select="tcp_protocol"
2192 ffrtmphttp_protocol_deps="!librtmp_protocol"
2193 ffrtmphttp_protocol_select="http_protocol"
2194 gopher_protocol_select="network"
2195 http_protocol_select="tcp_protocol"
2196 httpproxy_protocol_select="tcp_protocol"
2197 https_protocol_select="tls_protocol"
2198 icecast_protocol_select="http_protocol"
2199 librtmp_protocol_deps="librtmp"
2200 librtmpe_protocol_deps="librtmp"
2201 librtmps_protocol_deps="librtmp"
2202 librtmpt_protocol_deps="librtmp"
2203 librtmpte_protocol_deps="librtmp"
2204 mmsh_protocol_select="http_protocol"
2205 mmst_protocol_select="network"
2206 rtmp_protocol_deps="!librtmp_protocol"
2207 rtmp_protocol_select="tcp_protocol"
2208 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2209 rtmps_protocol_deps="!librtmp_protocol"
2210 rtmps_protocol_select="tls_protocol"
2211 rtmpt_protocol_select="ffrtmphttp_protocol"
2212 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2213 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2214 rtp_protocol_select="udp_protocol"
2215 sctp_protocol_deps="struct_sctp_event_subscribe"
2216 sctp_protocol_select="network"
2217 srtp_protocol_select="rtp_protocol"
2218 tcp_protocol_select="network"
2219 tls_gnutls_protocol_deps="gnutls"
2220 tls_gnutls_protocol_select="tcp_protocol"
2221 tls_openssl_protocol_deps="openssl !tls_gnutls_protocol"
2222 tls_openssl_protocol_select="tcp_protocol"
2223 tls_protocol_deps_any="tls_gnutls_protocol tls_openssl_protocol"
2224 udp_protocol_select="network"
2225 unix_protocol_deps="sys_un_h"
2226 unix_protocol_select="network"
2227
2228 # filters
2229 blackframe_filter_deps="gpl"
2230 boxblur_filter_deps="gpl"
2231 bs2b_filter_deps="libbs2b"
2232 cropdetect_filter_deps="gpl"
2233 delogo_filter_deps="gpl"
2234 drawtext_filter_deps="libfreetype"
2235 frei0r_filter_deps="frei0r dlopen"
2236 frei0r_filter_extralibs='$ldl'
2237 frei0r_src_filter_deps="frei0r dlopen"
2238 frei0r_src_filter_extralibs='$ldl'
2239 hqdn3d_filter_deps="gpl"
2240 interlace_filter_deps="gpl"
2241 ocv_filter_deps="libopencv"
2242 resample_filter_deps="avresample"
2243 scale_filter_deps="swscale"
2244
2245 # examples
2246 avcodec_example_deps="avcodec avutil"
2247 filter_audio_example_deps="avfilter avutil"
2248 metadata_example_deps="avformat avutil"
2249 output_example_deps="avcodec avformat avutil swscale"
2250 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2251 transcode_aac_example_deps="avcodec avformat avresample"
2252
2253 # libraries, in linking order
2254 avcodec_deps="avutil"
2255 avdevice_deps="avformat avcodec avutil"
2256 avfilter_deps="avutil"
2257 avformat_deps="avcodec avutil"
2258 avresample_deps="avutil"
2259 swscale_deps="avutil"
2260
2261 # programs
2262 avconv_deps="avcodec avfilter avformat avresample swscale"
2263 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2264 fps_filter null_filter resample_filter scale_filter
2265 setpts_filter trim_filter"
2266 avplay_deps="avcodec avformat avresample swscale sdl"
2267 avplay_libs='$sdl_libs'
2268 avplay_select="rdft transpose_filter hflip_filter vflip_filter"
2269 avprobe_deps="avcodec avformat"
2270
2271 # documentation
2272 pod2man_deps="doc"
2273 texi2html_deps="doc"
2274
2275 # default parameters
2276
2277 logfile="config.log"
2278
2279 # installation paths
2280 prefix_default="/usr/local"
2281 bindir_default='${prefix}/bin'
2282 datadir_default='${prefix}/share/avconv'
2283 docdir_default='${prefix}/share/doc/libav'
2284 incdir_default='${prefix}/include'
2285 libdir_default='${prefix}/lib'
2286 mandir_default='${prefix}/share/man'
2287 shlibdir_default="$libdir_default"
2288
2289 # toolchain
2290 ar_default="ar"
2291 cc_default="gcc"
2292 host_cc_default="gcc"
2293 cp_f="cp -f"
2294 ln_s="ln -s -f"
2295 nm_default="nm -g"
2296 objformat="elf"
2297 pkg_config_default=pkg-config
2298 ranlib="ranlib"
2299 strip="strip"
2300 yasmexe="yasm"
2301
2302 # machine
2303 arch_default=$(uname -m)
2304 cpu="generic"
2305 intrinsics="none"
2306
2307 # OS
2308 target_os_default=$(tolower $(uname -s))
2309 host_os=$target_os_default
2310
2311 # configurable options
2312 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2313
2314 enable asm
2315 enable debug
2316 enable doc
2317 enable faan faandct faanidct
2318 enable optimizations
2319 enable safe_bitstream_reader
2320 enable static
2321 enable swscale_alpha
2322 enable valgrind_backtrace
2323
2324 # By default, enable only those hwaccels that have no external dependencies.
2325 enable d3d11va dxva2 vda vdpau
2326
2327 # build settings
2328 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2329 LIBPREF="lib"
2330 LIBSUF=".a"
2331 FULLNAME='$(NAME)$(BUILDSUF)'
2332 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2333 SLIBPREF="lib"
2334 SLIBSUF=".so"
2335 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2336 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2337 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2338 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2339 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2340 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2341
2342 asflags_filter=echo
2343 cflags_filter=echo
2344 ldflags_filter=echo
2345
2346 AS_C='-c'
2347 AS_O='-o $@'
2348 CC_C='-c'
2349 CC_E='-E -o $@'
2350 CC_O='-o $@'
2351 LD_O='-o $@'
2352 LD_LIB='-l%'
2353 LD_PATH='-L'
2354 HOSTCC_C='-c'
2355 HOSTCC_E='-E -o $@'
2356 HOSTCC_O='-o $@'
2357 HOSTLD_O='-o $@'
2358
2359 host_libs='-lm'
2360 host_cflags_filter=echo
2361 host_ldflags_filter=echo
2362
2363 target_path='$(CURDIR)'
2364
2365 # since the object filename is not given with the -MM flag, the compiler
2366 # is only able to print the basename, and we must add the path ourselves
2367 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2368 DEPFLAGS='-MM'
2369
2370 # find source path
2371 if test -f configure; then
2372 source_path=.
2373 else
2374 source_path=$(cd $(dirname "$0"); pwd)
2375 echo "$source_path" | grep -q '[[:blank:]]' &&
2376 die "Out of tree builds are impossible with whitespace in source path."
2377 test -e "$source_path/config.h" &&
2378 die "Out of tree builds are impossible with config.h in source dir."
2379 fi
2380
2381 for v in "$@"; do
2382 r=${v#*=}
2383 l=${v%"$r"}
2384 r=$(sh_quote "$r")
2385 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2386 done
2387
2388 find_things(){
2389 thing=$1
2390 pattern=$2
2391 file=$source_path/$3
2392 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2393 }
2394
2395 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2396 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2397 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2398 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2399 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2400 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2401 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2402 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2403 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2404 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2405 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2406
2407 ALL_COMPONENTS="
2408 $BSF_LIST
2409 $DECODER_LIST
2410 $DEMUXER_LIST
2411 $ENCODER_LIST
2412 $FILTER_LIST
2413 $HWACCEL_LIST
2414 $INDEV_LIST
2415 $MUXER_LIST
2416 $OUTDEV_LIST
2417 $PARSER_LIST
2418 $PROTOCOL_LIST
2419 "
2420
2421 for n in $COMPONENT_LIST; do
2422 v=$(toupper ${n%s})_LIST
2423 eval enable \$$v
2424 eval ${n}_if_any="\$$v"
2425 done
2426
2427 enable $ARCH_EXT_LIST
2428
2429 die_unknown(){
2430 echo "Unknown option \"$1\"."
2431 echo "See $0 --help for available options."
2432 exit 1
2433 }
2434
2435 print_3_columns() {
2436 cat | tr ' ' '\n' | sort | pr -r -3 -t
2437 }
2438
2439 show_list() {
2440 suffix=_$1
2441 shift
2442 echo $* | sed s/$suffix//g | print_3_columns
2443 exit 0
2444 }
2445
2446 rand_list(){
2447 IFS=', '
2448 set -- $*
2449 unset IFS
2450 for thing; do
2451 comp=${thing%:*}
2452 prob=${thing#$comp}
2453 prob=${prob#:}
2454 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2455 echo "prob ${prob:-0.5}"
2456 printf '%s\n' $comp
2457 done
2458 }
2459
2460 do_random(){
2461 action=$1
2462 shift
2463 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2464 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2465 }
2466
2467 for opt do
2468 optval="${opt#*=}"
2469 case "$opt" in
2470 --extra-ldflags=*)
2471 add_ldflags $optval
2472 ;;
2473 --extra-ldexeflags=*)
2474 add_ldexeflags $optval
2475 ;;
2476 --extra-libs=*)
2477 add_extralibs $optval
2478 ;;
2479 --disable-devices)
2480 disable $INDEV_LIST $OUTDEV_LIST
2481 ;;
2482 --enable-debug=*)
2483 debuglevel="$optval"
2484 ;;
2485 --disable-programs)
2486 disable $PROGRAM_LIST
2487 ;;
2488 --disable-everything)
2489 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2490 ;;
2491 --disable-all)
2492 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2493 disable $LIBRARY_LIST $PROGRAM_LIST doc
2494 ;;
2495 --enable-random|--disable-random)
2496 action=${opt%%-random}
2497 do_random ${action#--} $COMPONENT_LIST
2498 ;;
2499 --enable-random=*|--disable-random=*)
2500 action=${opt%%-random=*}
2501 do_random ${action#--} $optval
2502 ;;
2503 --enable-*=*|--disable-*=*)
2504 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2505 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2506 eval list=\$$(toupper $thing)_LIST
2507 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2508 $action $(filter "$name" $list)
2509 ;;
2510 --enable-avserver|--disable-avserver*)
2511 warn "avserver has been removed, the ${opt} option is only"\
2512 "provided for compatibility and will be removed in the future"
2513 ;;
2514 --enable-?*|--disable-?*)
2515 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2516 if is_in $option $COMPONENT_LIST; then
2517 test $action = disable && action=unset
2518 eval $action \$$(toupper ${option%s})_LIST
2519 elif is_in $option $CMDLINE_SELECT; then
2520 $action $option
2521 else
2522 die_unknown $opt
2523 fi
2524 ;;
2525 --list-*)
2526 NAME="${opt#--list-}"
2527 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2528 NAME=${NAME%s}
2529 eval show_list $NAME \$$(toupper $NAME)_LIST
2530 ;;
2531 --help|-h) show_help
2532 ;;
2533 *)
2534 optname="${opt%%=*}"
2535 optname="${optname#--}"
2536 optname=$(echo "$optname" | sed 's/-/_/g')
2537 if is_in $optname $CMDLINE_SET; then
2538 eval $optname='$optval'
2539 elif is_in $optname $CMDLINE_APPEND; then
2540 append $optname "$optval"
2541 else
2542 die_unknown $opt
2543 fi
2544 ;;
2545 esac
2546 done
2547
2548 for e in $env; do
2549 eval "export $e"
2550 done
2551
2552 disabled logging && logfile=/dev/null
2553
2554 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2555 set >> $logfile
2556
2557 case "$toolchain" in
2558 clang-asan)
2559 cc_default="clang"
2560 add_cflags -fsanitize=address
2561 add_ldflags -fsanitize=address
2562 ;;
2563 clang-tsan)
2564 cc_default="clang"
2565 add_cflags -fsanitize=thread -pie
2566 add_ldflags -fsanitize=thread -pie
2567 ;;
2568 clang-usan)
2569 cc_default="clang"
2570 add_cflags -fsanitize=undefined -O1
2571 add_ldflags -fsanitize=undefined
2572 ;;
2573 gcc-asan)
2574 cc_default="gcc"
2575 add_cflags -fsanitize=address
2576 add_ldflags -fsanitize=address
2577 ;;
2578 gcc-tsan)
2579 cc_default="gcc"
2580 add_cflags -fsanitize=thread -pie -fPIC
2581 add_ldflags -fsanitize=thread -pie -fPIC
2582 ;;
2583 gcc-usan)
2584 cc_default="gcc"
2585 add_cflags -fsanitize=undefined
2586 add_ldflags -fsanitize=undefined
2587 ;;
2588 valgrind-massif)
2589 target_exec_default="valgrind"
2590 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2591 ;;
2592 valgrind-memcheck)
2593 target_exec_default="valgrind"
2594 target_exec_args="--track-origins=yes --leak-check=full"
2595 ;;
2596 msvc)
2597 # Check whether the current MSVC version needs the C99 converter.
2598 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2599 # support enough of C99 to build libav. Default to the new
2600 # behaviour if the regexp was unable to match anything, since this
2601 # successfully parses the version number of existing supported
2602 # versions that require the converter (MSVC 2010 and 2012).
2603 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2604 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2605 cc_default="cl"
2606 else
2607 cc_default="c99wrap cl"
2608 fi
2609 ld_default="link"
2610 nm_default="dumpbin -symbols"
2611 ar_default="lib"
2612 target_os_default="win32"
2613 # Use a relative path for TMPDIR. This makes sure all the
2614 # ffconf temp files are written with a relative path, avoiding
2615 # issues with msys/win32 path conversion for MSVC parameters
2616 # such as -Fo<file> or -out:<file>.
2617 TMPDIR=.
2618 ;;
2619 icl)
2620 cc_default="icl"
2621 ld_default="xilink"
2622 nm_default="dumpbin -symbols"
2623 ar_default="xilib"
2624 target_os_default="win32"
2625 TMPDIR=.
2626 ;;
2627 gcov)
2628 add_cflags -fprofile-arcs -ftest-coverage
2629 add_ldflags -fprofile-arcs -ftest-coverage
2630 ;;
2631 hardened)
2632 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
2633 add_cflags -fno-strict-overflow -fstack-protector-all
2634 add_ldflags -Wl,-z,relro -Wl,-z,now
2635 ;;
2636 ?*)
2637 die "Unknown toolchain $toolchain"
2638 ;;
2639 esac
2640
2641 test -n "$cross_prefix" && enable cross_compile
2642
2643 if enabled cross_compile; then
2644 test -n "$arch" && test -n "$target_os" ||
2645 die "Must specify target arch and OS when cross-compiling"
2646 fi
2647
2648 ar_default="${cross_prefix}${ar_default}"
2649 cc_default="${cross_prefix}${cc_default}"
2650 nm_default="${cross_prefix}${nm_default}"
2651 pkg_config_default="${cross_prefix}${pkg_config_default}"
2652 ranlib="${cross_prefix}${ranlib}"
2653 strip="${cross_prefix}${strip}"
2654
2655 sysinclude_default="${sysroot}/usr/include"
2656
2657 set_default arch cc pkg_config sysinclude target_exec target_os
2658 enabled cross_compile || host_cc_default=$cc
2659 set_default host_cc
2660
2661 if ! $pkg_config --version >/dev/null 2>&1; then
2662 warn "$pkg_config not found, library detection may fail."
2663 pkg_config=false
2664 fi
2665
2666 exesuf() {
2667 case $1 in
2668 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2669 esac
2670 }
2671
2672 EXESUF=$(exesuf $target_os)
2673 HOSTEXESUF=$(exesuf $host_os)
2674
2675 # set temporary file name
2676 : ${TMPDIR:=$TEMPDIR}
2677 : ${TMPDIR:=$TMP}
2678 : ${TMPDIR:=/tmp}
2679
2680 if ! check_cmd mktemp -u XXXXXX; then
2681 # simple replacement for missing mktemp
2682 # NOT SAFE FOR GENERAL USE
2683 mktemp(){
2684 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2685 }
2686 fi
2687
2688 tmpfile(){
2689 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2690 (set -C; exec > $tmp) 2>/dev/null ||
2691 die "Unable to create temporary file in $TMPDIR."
2692 append TMPFILES $tmp
2693 eval $1=$tmp
2694 }
2695
2696 trap 'rm -f -- $TMPFILES' EXIT
2697
2698 tmpfile TMPASM .asm
2699 tmpfile TMPC .c
2700 tmpfile TMPE $EXESUF
2701 tmpfile TMPH .h
2702 tmpfile TMPO .o
2703 tmpfile TMPS .S
2704 tmpfile TMPSH .sh
2705 tmpfile TMPV .ver
2706
2707 unset -f mktemp
2708
2709 chmod +x $TMPE
2710
2711 # make sure we can execute files in $TMPDIR
2712 cat > $TMPSH 2>> $logfile <<EOF
2713 #! /bin/sh
2714 EOF
2715 chmod +x $TMPSH >> $logfile 2>&1
2716 if ! $TMPSH >> $logfile 2>&1; then
2717 cat <<EOF
2718 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2719 variable to another directory and make sure that it is not mounted noexec.
2720 EOF
2721 die "Sanity test failed."
2722 fi
2723
2724 armasm_flags(){
2725 for flag; do
2726 case $flag in
2727 # Filter out MSVC cl.exe options from cflags that shouldn't
2728 # be passed to gas-preprocessor
2729 -M[TD]*) ;;
2730 *) echo $flag ;;
2731 esac
2732 done
2733 }
2734
2735 ccc_flags(){
2736 for flag; do
2737 case $flag in
2738 -std=c99) echo -c99 ;;
2739 -mcpu=*) echo -arch ${flag#*=} ;;
2740 -mieee) echo -ieee ;;
2741 -O*|-fast) echo $flag ;;
2742 -fno-math-errno) echo -assume nomath_errno ;;
2743 -g) echo -g3 ;;
2744 -Wall) echo -msg_enable level2 ;;
2745 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2746 -Wl,*) echo $flag ;;
2747 -f*|-W*) ;;
2748 *) echo $flag ;;
2749 esac
2750 done
2751 }
2752
2753 cparser_flags(){
2754 for flag; do
2755 case $flag in
2756 -Wno-switch) echo -Wno-switch-enum ;;
2757 -Wno-format-zero-length) ;;
2758 -Wdisabled-optimization) ;;
2759 -Wno-pointer-sign) echo -Wno-other ;;
2760 *) echo $flag ;;
2761 esac
2762 done
2763 }
2764
2765 msvc_common_flags(){
2766 for flag; do
2767 case $flag in
2768 # In addition to specifying certain flags under the compiler
2769 # specific filters, they must be specified here as well or else the
2770 # generic catch all at the bottom will print the original flag.
2771 -Wall) ;;
2772 -std=c99) ;;
2773 # Common flags
2774 -fomit-frame-pointer) ;;
2775 -g) echo -Z7 ;;
2776 -fno-math-errno) ;;
2777 -fno-common) ;;
2778 -fno-signed-zeros) ;;
2779 -fPIC) ;;
2780 -mthumb) ;;
2781 -march=*) ;;
2782 -lz) echo zlib.lib ;;
2783 -lavifil32) echo vfw32.lib ;;
2784 -lavicap32) echo vfw32.lib user32.lib ;;
2785 -l*) echo ${flag#-l}.lib ;;
2786 -L*) echo -libpath:${flag#-L} ;;
2787 *) echo $flag ;;
2788 esac
2789 done
2790 }
2791
2792 msvc_flags(){
2793 msvc_common_flags "$@"
2794 for flag; do
2795 case $flag in
2796 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2797 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2798 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2799 -wd4273 -wd4554 -wd4701 ;;
2800 esac
2801 done
2802 }
2803
2804 icl_flags(){
2805 msvc_common_flags "$@"
2806 for flag; do
2807 case $flag in
2808 # Despite what Intel's documentation says -Wall, which is supported
2809 # on Windows, does enable remarks so disable them here.
2810 -Wall) echo $flag -Qdiag-disable:remark ;;
2811 -std=c99) echo -Qstd=c99 ;;
2812 esac
2813 done
2814 }
2815
2816 pgi_flags(){
2817 for flag; do
2818 case $flag in
2819 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2820 -fomit-frame-pointer) echo -Mnoframe ;;
2821 -g) echo -gopt ;;
2822 *) echo $flag ;;
2823 esac
2824 done
2825 }
2826
2827 suncc_flags(){
2828 for flag; do
2829 case $flag in
2830 -march=*|-mcpu=*)
2831 case "${flag#*=}" in
2832 native) echo -xtarget=native ;;
2833 v9|niagara) echo -xarch=sparc ;;
2834 ultrasparc) echo -xarch=sparcvis ;;
2835 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2836 i586|pentium) echo -xchip=pentium ;;
2837 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2838 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2839 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2840 pentium4*) echo -xtarget=pentium4 ;;
2841 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2842 *-sse3) echo -xarch=sse3 ;;
2843 core2) echo -xarch=ssse3 -xchip=core2 ;;
2844 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2845 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2846 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
2847 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2848 k8|opteron|athlon64|athlon-fx)
2849 echo -xarch=sse2a ;;
2850 athlon*) echo -xarch=pentium_proa ;;
2851 esac
2852 ;;
2853 -std=c99) echo -xc99 ;;
2854 -fomit-frame-pointer) echo -xregs=frameptr ;;
2855 -fPIC) echo -KPIC -xcode=pic32 ;;
2856 -W*,*) echo $flag ;;
2857 -f*-*|-W*|-mimpure-text) ;;
2858 -shared) echo -G ;;
2859 *) echo $flag ;;
2860 esac
2861 done
2862 }
2863
2864 tms470_flags(){
2865 for flag; do
2866 case $flag in
2867 -march=*|-mcpu=*)
2868 case "${flag#*=}" in
2869 armv7-a|cortex-a*) echo -mv=7a8 ;;
2870 armv7-r|cortex-r*) echo -mv=7r4 ;;
2871 armv7-m|cortex-m*) echo -mv=7m3 ;;
2872 armv6*|arm11*) echo -mv=6 ;;
2873 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2874 echo -mv=5e ;;
2875 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2876 esac
2877 ;;
2878 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2879 -mfpu=vfp) echo --float_support=vfpv2 ;;
2880 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2881 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
2882 -msoft-float) echo --float_support=vfplib ;;
2883 -O[0-3]|-mf=*) echo $flag ;;
2884 -g) echo -g -mn ;;
2885 -pds=*) echo $flag ;;
2886 -D*|-I*) echo $flag ;;
2887 --gcc|--abi=*) echo $flag ;;
2888 -me) echo $flag ;;
2889 esac
2890 done
2891 }
2892
2893 probe_cc(){
2894 pfx=$1
2895 _cc=$2
2896
2897 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2898 unset _ld_o _ldflags _ld_lib _ld_path
2899 unset _depflags _DEPCMD _DEPFLAGS
2900 _flags_filter=echo
2901
2902 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2903 _type=llvm_gcc
2904 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2905 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2906 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2907 _cflags_speed='-O3'
2908 _cflags_size='-Os'
2909 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2910 _type=gcc
2911 gcc_version=$($_cc --version | head -n1)
2912 gcc_basever=$($_cc -dumpversion)
2913 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2914 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2915 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2916 if ! $_cc -dumpversion | grep -q '^2\.'; then
2917 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2918 fi
2919 _cflags_speed='-O3'
2920 _cflags_size='-Os'
2921 elif $_cc --version 2>/dev/null | grep -q ^icc; then
2922 _type=icc
2923 _ident=$($_cc --version | head -n1)
2924 _depflags='-MMD'
2925 _cflags_speed='-O3'
2926 _cflags_size='-Os'
2927 _cflags_noopt='-O1'
2928 elif $_cc -v 2>&1 | grep -q xlc; then
2929 _type=xlc
2930 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2931 _cflags_speed='-O5'
2932 _cflags_size='-O5 -qcompact'
2933 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2934 _type=ccc
2935 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2936 _DEPFLAGS='-M'
2937 _cflags_speed='-fast'
2938 _cflags_size='-O1'
2939 _flags_filter=ccc_flags
2940 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
2941 test -d "$sysroot" || die "No valid sysroot specified."
2942 _type=armcc
2943 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
2944 armcc_conf="$PWD/armcc.conf"
2945 $_cc --arm_linux_configure \
2946 --arm_linux_config_file="$armcc_conf" \
2947 --configure_sysroot="$sysroot" \
2948 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2949 die "Error creating armcc configuration file."
2950 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2951 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2952 as_default="${cross_prefix}gcc"
2953 _depflags='-MMD'
2954 _cflags_speed='-O3'
2955 _cflags_size='-Os'
2956 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2957 _type=tms470
2958 _ident=$($_cc -version | head -n1 | tr -s ' ')
2959 _flags='--gcc --abi=eabi -me'
2960 _cc_e='-ppl -fe=$@'
2961 _cc_o='-fe=$@'
2962 _depflags='-ppa -ppd=$(@:.o=.d)'
2963 _cflags_speed='-O3 -mf=5'
2964 _cflags_size='-O3 -mf=2'
2965 _flags_filter=tms470_flags
2966 elif $_cc -v 2>&1 | grep -q clang; then
2967 _type=clang
2968 _ident=$($_cc --version | head -n1)
2969 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2970 _cflags_speed='-O3'
2971 _cflags_size='-Os'
2972 elif $_cc -V 2>&1 | grep -q Sun; then
2973 _type=suncc
2974 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2975 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2976 _DEPFLAGS='-xM1 -xc99'
2977 _ldflags='-std=c99'
2978 _cflags_speed='-O5'
2979 _cflags_size='-O5 -xspace'
2980 _flags_filter=suncc_flags
2981 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2982 _type=pathscale
2983 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2984 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2985 _cflags_speed='-O2'
2986 _cflags_size='-Os'
2987 _flags_filter='filter_out -Wdisabled-optimization'
2988 elif $_cc -v 2>&1 | grep -q Open64; then
2989 _type=open64
2990 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2991 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2992 _cflags_speed='-O2'
2993 _cflags_size='-Os'
2994 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2995 elif $_cc -V 2>&1 | grep -q Portland; then
2996 _type=pgi
2997 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2998 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
2999 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3000 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3001 _cflags_noopt="-O1"
3002 _flags_filter=pgi_flags
3003 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3004 _type=armasm
3005 _ident=$($_cc | head -n1)
3006 # 4509: "This form of conditional instruction is deprecated"
3007 _flags="-nologo -ignore 4509"
3008 _flags_filter=armasm_flags
3009 elif $_cc 2>&1 | grep -q Microsoft; then
3010 _type=msvc
3011 _ident=$($_cc 2>&1 | head -n1)
3012 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3013 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3014 _cflags_speed="-O2"
3015 _cflags_size="-O1"
3016 if $_cc 2>&1 | grep -q Linker; then
3017 _ld_o='-out:$@'
3018 else
3019 _ld_o='-Fe$@'
3020 fi
3021 _cc_o='-Fo$@'
3022 _cc_e='-P -Fi$@'
3023 _flags_filter=msvc_flags
3024 _ld_lib='lib%.a'
3025 _ld_path='-libpath:'
3026 _flags='-nologo'
3027 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3028 elif $_cc 2>&1 | grep -q Intel; then
3029 _type=icl
3030 _ident=$($_cc 2>&1 | head -n1)
3031 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3032 # Not only is O3 broken on 13.x+ but it is slower on all previous
3033 # versions (tested) as well.
3034 _cflags_speed="-O2"
3035 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3036 if $_cc 2>&1 | grep -q Linker; then
3037 _ld_o='-out:$@'
3038 else
3039 _ld_o='-Fe$@'
3040 fi
3041 _cc_o='-Fo$@'
3042 _cc_e='-P'
3043 _flags_filter=icl_flags
3044 _ld_lib='lib%.a'
3045 _ld_path='-libpath:'
3046 # -Qdiag-error to make icl error when seeing certain unknown arguments
3047 _flags='-nologo -Qdiag-error:4044,10157'
3048 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3049 # with MSVC which enables it by default.
3050 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
3051 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3052 _type=cparser
3053 _ident=$($_cc --version | head -n1)
3054 _depflags='-MMD'
3055 _cflags_speed='-O4'
3056 _cflags_size='-O2'
3057 _flags_filter=cparser_flags
3058 fi
3059
3060 eval ${pfx}_type=\$_type
3061 eval ${pfx}_ident=\$_ident
3062 }
3063
3064 set_ccvars(){
3065 eval ${1}_C=\${_cc_c-\${${1}_C}}
3066 eval ${1}_E=\${_cc_e-\${${1}_E}}
3067 eval ${1}_O=\${_cc_o-\${${1}_O}}
3068
3069 if [ -n "$_depflags" ]; then
3070 eval ${1}_DEPFLAGS=\$_depflags
3071 else
3072 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3073 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3074 eval DEP${1}FLAGS=\$_flags
3075 fi
3076 }
3077
3078 probe_cc cc "$cc"
3079 cflags_filter=$_flags_filter
3080 cflags_speed=$_cflags_speed
3081 cflags_size=$_cflags_size
3082 cflags_noopt=$_cflags_noopt
3083 add_cflags $_flags $_cflags
3084 cc_ldflags=$_ldflags
3085 set_ccvars CC
3086
3087 probe_cc hostcc "$host_cc"
3088 host_cflags_filter=$_flags_filter
3089 add_host_cflags $_flags $_cflags
3090 set_ccvars HOSTCC
3091
3092 test -n "$cc_type" && enable $cc_type ||
3093 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3094
3095 : ${as_default:=$cc}
3096 : ${dep_cc_default:=$cc}
3097 : ${ld_default:=$cc}
3098 : ${host_ld_default:=$host_cc}
3099 set_default ar as dep_cc ld host_ld
3100
3101 probe_cc as "$as"
3102 asflags_filter=$_flags_filter
3103 add_asflags $_flags $_cflags
3104 set_ccvars AS
3105
3106 probe_cc ld "$ld"
3107 ldflags_filter=$_flags_filter
3108 add_ldflags $_flags $_ldflags
3109 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3110 LD_O=${_ld_o-$LD_O}
3111 LD_LIB=${_ld_lib-$LD_LIB}
3112 LD_PATH=${_ld_path-$LD_PATH}
3113
3114 probe_cc hostld "$host_ld"
3115 host_ldflags_filter=$_flags_filter
3116 add_host_ldflags $_flags $_ldflags
3117 HOSTLD_O=${_ld_o-$HOSTLD_O}
3118
3119 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3120 probe_cc depcc "$dep_cc"
3121 CCDEP=${_DEPCMD:-$DEPCMD}
3122 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3123 DEPCCFLAGS=$_flags
3124 fi
3125
3126 if $ar 2>&1 | grep -q Microsoft; then
3127 arflags="-nologo"
3128 ar_o='-out:$@'
3129 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3130 arflags="rq"
3131 ar_o='$@'
3132 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3133 arflags='-Xany -r -c'
3134 ar_o='$@'
3135 else
3136 arflags="rc"
3137 ar_o='$@'
3138 fi
3139
3140 add_cflags $extra_cflags
3141 add_asflags $extra_cflags
3142
3143 if test -n "$sysroot"; then
3144 case "$cc_type" in
3145 gcc|llvm_gcc|clang)
3146 add_cppflags --sysroot="$sysroot"
3147 add_ldflags --sysroot="$sysroot"
3148 ;;
3149 tms470)
3150 add_cppflags -I"$sysinclude"
3151 add_ldflags --sysroot="$sysroot"
3152 ;;
3153 esac
3154 fi
3155
3156 if test "$cpu" = host; then
3157 enabled cross_compile &&
3158 die "--cpu=host makes no sense when cross-compiling."
3159
3160 case "$cc_type" in
3161 gcc|llvm_gcc)
3162 check_native(){
3163 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3164 sed -n "/cc1.*$1=/{
3165 s/.*$1=\\([^ ]*\\).*/\\1/
3166 p
3167 q
3168 }" $TMPE
3169 }
3170 cpu=$(check_native -march || check_native -mcpu)
3171 ;;
3172 esac
3173
3174 test "${cpu:-host}" = host &&
3175 die "--cpu=host not supported with compiler $cc"
3176 fi
3177
3178 # Deal with common $arch aliases
3179 case "$arch" in
3180 aarch64|arm64)
3181 arch="aarch64"
3182 ;;
3183 arm*)
3184 arch="arm"
3185 ;;
3186 mips*|IP*)
3187 arch="mips"
3188 ;;
3189 parisc*|hppa*)
3190 arch="parisc"
3191 ;;
3192 "Power Macintosh"|ppc*|powerpc*)
3193 arch="ppc"
3194 ;;
3195 s390|s390x)
3196 arch="s390"
3197 ;;
3198 sh4|sh)
3199 arch="sh4"
3200 ;;
3201 sun4u|sparc*)
3202 arch="sparc"
3203 ;;
3204 tilegx|tile-gx)
3205 arch="tilegx"
3206 ;;
3207 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3208 arch="x86"
3209 ;;
3210 esac
3211
3212 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3213 enable $arch
3214
3215 # Add processor-specific flags
3216 if enabled aarch64; then
3217
3218 case $cpu in
3219 armv*)
3220 cpuflags="-march=$cpu"
3221 ;;
3222 *)
3223 cpuflags="-mcpu=$cpu"
3224 ;;
3225 esac
3226
3227 elif enabled alpha; then
3228
3229 cpuflags="-mcpu=$cpu"
3230
3231 elif enabled arm; then
3232
3233 check_arm_arch() {
3234 check_cpp_condition stddef.h \
3235 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3236 $cpuflags
3237 }
3238
3239 probe_arm_arch() {
3240 if check_arm_arch 4; then echo armv4;
3241 elif check_arm_arch 4T; then echo armv4t;
3242 elif check_arm_arch 5; then echo armv5;
3243 elif check_arm_arch 5E; then echo armv5e;
3244 elif check_arm_arch 5T; then echo armv5t;
3245 elif check_arm_arch 5TE; then echo armv5te;
3246 elif check_arm_arch 5TEJ; then echo armv5te;
3247 elif check_arm_arch 6; then echo armv6;
3248 elif check_arm_arch 6J; then echo armv6j;
3249 elif check_arm_arch 6K; then echo armv6k;
3250 elif check_arm_arch 6Z; then echo armv6z;
3251 elif check_arm_arch 6ZK; then echo armv6zk;
3252 elif check_arm_arch 6T2; then echo armv6t2;
3253 elif check_arm_arch 7; then echo armv7;
3254 elif check_arm_arch 7A 7_A; then echo armv7-a;
3255 elif check_arm_arch 7S; then echo armv7-a;
3256 elif check_arm_arch 7R 7_R; then echo armv7-r;
3257 elif check_arm_arch 7M 7_M; then echo armv7-m;
3258 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3259 elif check_arm_arch 8A 8_A; then echo armv8-a;
3260 fi
3261 }
3262
3263 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3264
3265 case $cpu in
3266 armv*)
3267 cpuflags="-march=$cpu"
3268 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3269 ;;
3270 *)
3271 cpuflags="-mcpu=$cpu"
3272 case $cpu in
3273 cortex-a*) subarch=armv7a ;;
3274 cortex-r*) subarch=armv7r ;;
3275 cortex-m*) enable thumb; subarch=armv7m ;;
3276 arm11*) subarch=armv6 ;;
3277 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3278 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3279 *) subarch=$(probe_arm_arch) ;;
3280 esac
3281 ;;
3282 esac
3283
3284 case "$subarch" in
3285 armv5t*) enable fast_clz ;;
3286 armv[6-8]*) enable fast_clz fast_unaligned ;;
3287 esac
3288
3289 elif enabled avr32; then
3290
3291 case $cpu in
3292 ap7[02]0[0-2])
3293 subarch="avr32_ap"
3294 cpuflags="-mpart=$cpu"
3295 ;;
3296 ap)
3297 subarch="avr32_ap"
3298 cpuflags="-march=$cpu"
3299 ;;
3300 uc3[ab]*)
3301 subarch="avr32_uc"
3302 cpuflags="-mcpu=$cpu"
3303 ;;
3304 uc)
3305 subarch="avr32_uc"
3306 cpuflags="-march=$cpu"
3307 ;;
3308 esac
3309
3310 elif enabled bfin; then
3311
3312 cpuflags="-mcpu=$cpu"
3313
3314 elif enabled mips; then
3315
3316 cpuflags="-march=$cpu"
3317
3318 elif enabled ppc; then
3319
3320 disable ldbrx
3321
3322 case $(tolower $cpu) in
3323 601|ppc601|powerpc601)
3324 cpuflags="-mcpu=601"
3325 disable altivec
3326 ;;
3327 603*|ppc603*|powerpc603*)
3328 cpuflags="-mcpu=603"
3329 disable altivec
3330 ;;
3331 604*|ppc604*|powerpc604*)
3332 cpuflags="-mcpu=604"
3333 disable altivec
3334 ;;
3335 g3|75*|ppc75*|powerpc75*)
3336 cpuflags="-mcpu=750"
3337 disable altivec
3338 ;;
3339 g4|745*|ppc745*|powerpc745*)
3340 cpuflags="-mcpu=7450"
3341 disable vsx
3342 ;;
3343 74*|ppc74*|powerpc74*)
3344 cpuflags="-mcpu=7400"
3345 disable vsx
3346 ;;
3347 g5|970|ppc970|powerpc970)
3348 cpuflags="-mcpu=970"
3349 disable vsx
3350 ;;
3351 power[3-6]*)
3352 cpuflags="-mcpu=$cpu"
3353 disable vsx
3354 ;;
3355 power[7-8]*)
3356 cpuflags="-mcpu=$cpu"
3357 enable ldbrx
3358 ;;
3359 cell)
3360 cpuflags="-mcpu=cell"
3361 enable ldbrx
3362 disable vsx
3363 ;;
3364 e500mc)
3365 cpuflags="-mcpu=e500mc"
3366 disable altivec
3367 ;;
3368 e500v2)
3369 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3370 disable altivec
3371 disable dcbzl
3372 ;;
3373 e500)
3374 cpuflags="-mcpu=8540 -mhard-float"
3375 disable altivec
3376 disable dcbzl
3377 ;;
3378 esac
3379
3380 elif enabled sparc; then
3381
3382 case $cpu in
3383 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3384 cpuflags="-mcpu=$cpu"
3385 ;;
3386 ultrasparc*|niagara[234])
3387 cpuflags="-mcpu=$cpu"
3388 ;;
3389 esac
3390
3391 elif enabled x86; then
3392
3393 case $cpu in
3394 i[345]86|pentium)
3395 cpuflags="-march=$cpu"
3396 disable i686
3397 disable mmx
3398 ;;
3399 # targets that do NOT support nopl and conditional mov (cmov)
3400 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3401 cpuflags="-march=$cpu"
3402 disable i686
3403 ;;
3404 # targets that do support nopl and conditional mov (cmov)
3405 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3406 cpuflags="-march=$cpu"
3407 enable i686
3408 enable fast_cmov
3409 ;;
3410 # targets that do support conditional mov but on which it's slow
3411 pentium4|pentium4m|prescott|nocona)
3412 cpuflags="-march=$cpu"
3413 enable i686
3414 disable fast_cmov
3415 ;;
3416 esac
3417
3418 fi
3419
3420 if [ "$cpu" != generic ]; then
3421 add_cflags $cpuflags
3422 add_asflags $cpuflags
3423 fi
3424
3425 # compiler sanity check
3426 check_exec <<EOF
3427 int main(void){ return 0; }
3428 EOF
3429 if test "$?" != 0; then
3430 echo "$cc is unable to create an executable file."
3431 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3432 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3433 echo "Only do this if you know what cross compiling means."
3434 fi
3435 die "C compiler test failed."
3436 fi
3437
3438 add_cppflags -D_ISOC99_SOURCE
3439 check_cflags -std=c99
3440 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3441 #include <stdlib.h>
3442 EOF
3443 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3444 #include <stdlib.h>
3445 EOF
3446
3447 add_host_cppflags -D_ISOC99_SOURCE
3448 check_host_cflags -std=c99
3449 check_host_cflags -Wall
3450 check_host_cflags -O3
3451
3452 check_64bit(){
3453 arch32=$1
3454 arch64=$2
3455 expr=$3
3456 check_code cc "" "int test[2*($expr) - 1]" &&
3457 subarch=$arch64 || subarch=$arch32
3458 }
3459
3460 case "$arch" in
3461 aarch64|alpha|ia64)
3462 spic=$shared
3463 ;;
3464 mips)
3465 check_64bit mips mips64 '_MIPS_SIM > 1'
3466 spic=$shared
3467 ;;
3468 parisc)
3469 check_64bit parisc parisc64 'sizeof(void *) > 4'
3470 spic=$shared
3471 ;;
3472 ppc)
3473 check_64bit ppc ppc64 'sizeof(void *) > 4'
3474 spic=$shared
3475 ;;
3476 s390)
3477 check_64bit s390 s390x 'sizeof(void *) > 4'
3478 spic=$shared
3479 ;;
3480 sparc)
3481 check_64bit sparc sparc64 'sizeof(void *) > 4'
3482 spic=$shared
3483 ;;
3484 x86)
3485 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3486 if test "$subarch" = "x86_64"; then
3487 spic=$shared
3488 fi
3489 ;;
3490 esac
3491
3492 enable $subarch
3493 enabled spic && enable_weak pic
3494
3495 # OS specific
3496 case $target_os in
3497 aix)
3498 SHFLAGS=-shared
3499 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3500 enabled shared && add_ldflags -Wl,-brtl
3501 ;;
3502 android)
3503 disable symver
3504 enable section_data_rel_ro
3505 SLIB_INSTALL_NAME='$(SLIBNAME)'
3506 SLIB_INSTALL_LINKS=
3507 # soname not set on purpose
3508 SHFLAGS=-shared
3509 ;;
3510 haiku)
3511 prefix_default="/boot/common"
3512 network_extralibs="-lnetwork"
3513 host_libs=
3514 ;;
3515 sunos)
3516 SHFLAGS='-shared -Wl,-h,$$(@F)'
3517 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3518 network_extralibs="-lsocket -lnsl"
3519 # When using suncc to build, the Solaris linker will mark
3520 # an executable with each instruction set encountered by
3521 # the Solaris assembler. As our libraries contain their own
3522 # guards for processor-specific code, instead suppress
3523 # generation of the HWCAPS ELF section on Solaris x86 only.
3524 enabled_all suncc x86 &&
3525 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3526 add_ldflags -Wl,-M,mapfile
3527 nm_default='nm -P -g'
3528 ;;
3529 netbsd)
3530 disable symver
3531 oss_indev_extralibs="-lossaudio"
3532 oss_outdev_extralibs="-lossaudio"
3533 ;;
3534 openbsd|bitrig)
3535 disable symver
3536 SHFLAGS='-shared'
3537 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3538 SLIB_INSTALL_LINKS=
3539 oss_indev_extralibs="-lossaudio"
3540 oss_outdev_extralibs="-lossaudio"
3541 ;;
3542 dragonfly)
3543 disable symver
3544 ;;
3545 freebsd)
3546 ;;
3547 bsd/os)
3548 add_extralibs -lpoll -lgnugetopt
3549 ;;
3550 darwin)
3551 enabled ppc && add_asflags -force_cpusubtype_ALL
3552 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3553 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3554 add_ldflags -Wl,-dynamic,-search_paths_first
3555 SLIBSUF=".dylib"
3556 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3557 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3558 objformat="macho"
3559 enabled x86_64 && objformat="macho64"
3560 enabled_any pic shared ||
3561 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3562 ;;
3563 mingw32*)
3564 if test $target_os = "mingw32ce"; then
3565 disable network
3566 else
3567 target_os=mingw32
3568 fi
3569 LIBTARGET=i386
3570 if enabled x86_64; then
3571 LIBTARGET="i386:x86-64"
3572 elif enabled arm; then
3573 LIBTARGET=arm-wince
3574 fi
3575 check_ldflags -Wl,--nxcompat
3576 check_ldflags -Wl,--dynamicbase
3577 shlibdir_default="$bindir_default"
3578 SLIBPREF=""
3579 SLIBSUF=".dll"
3580 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3581 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3582 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3583 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3584 SLIB_INSTALL_LINKS=
3585 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3586 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3587 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3588 objformat="win32"
3589 dlltool="${cross_prefix}dlltool"
3590 ranlib=:
3591 enable dos_paths
3592 ;;
3593 win32|win64)
3594 disable symver
3595 if enabled shared; then
3596 # Link to the import library instead of the normal static library
3597 # for shared libs.
3598 LD_LIB='%.lib'
3599 # Cannot build both shared and static libs with MSVC or icl.
3600 disable static
3601 fi
3602 shlibdir_default="$bindir_default"
3603 SLIBPREF=""
3604 SLIBSUF=".dll"
3605 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3606 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3607 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3608 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3609 SLIB_INSTALL_LINKS=
3610 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3611 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3612 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3613 objformat="win32"
3614 ranlib=:
3615 enable dos_paths
3616 ;;
3617 cygwin*)
3618 target_os=cygwin
3619 shlibdir_default="$bindir_default"
3620 SLIBPREF="cyg"
3621 SLIBSUF=".dll"
3622 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3623 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3624 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3625 SLIB_INSTALL_LINKS=
3626 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3627 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3628 objformat="win32"
3629 enable dos_paths
3630 ;;
3631 *-dos|freedos|opendos)
3632 network_extralibs="-lsocket"
3633 objformat="coff"
3634 enable dos_paths
3635 add_cppflags -U__STRICT_ANSI__
3636 ;;
3637 linux)
3638 enable dv1394
3639 enable section_data_rel_ro
3640 ;;
3641 irix*)
3642 target_os=irix
3643 ranlib="echo ignoring ranlib"
3644 ;;
3645 os/2*)
3646 ln_s="cp -f"
3647 objformat="aout"
3648 add_cppflags -D_GNU_SOURCE
3649 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3650 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3651 LIBSUF="_s.a"
3652 SLIBPREF=""
3653 SLIBSUF=".dll"
3654 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3655 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3656 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3657 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3658 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3659 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3660 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3661 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3662 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3663 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3664 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3665 enable dos_paths
3666 ;;
3667 gnu/kfreebsd)
3668 add_cppflags -D_BSD_SOURCE
3669 ;;
3670 gnu)
3671 ;;
3672 qnx)
3673 add_cppflags -D_QNX_SOURCE
3674 network_extralibs="-lsocket"
3675 ;;
3676 symbian)
3677 SLIBSUF=".dll"
3678 enable dos_paths
3679 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3680 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3681 add_ldflags -Wl,--target1-abs,--no-undefined \
3682 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3683 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3684 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3685 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3686 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3687 ;;
3688 osf1)
3689 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3690 ;;
3691 minix)
3692 ;;
3693 plan9)
3694 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3695 -D_REENTRANT_SOURCE \
3696 -D_RESEARCH_SOURCE \
3697 -DFD_SETSIZE=96 \
3698 -DHAVE_SOCK_OPTS
3699 add_compat strtod.o strtod=avpriv_strtod
3700 network_extralibs='-lbsd'
3701 exeobjs=compat/plan9/main.o
3702 cp_f='cp'
3703 ;;
3704 none)
3705 ;;
3706 *)
3707 die "Unknown OS '$target_os'."
3708 ;;
3709 esac
3710
3711 #