configure: Make the new qsv encoder depend on libmfx
[libav.git] / configure
1 #!/bin/sh
2 #
3 # Libav configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
43 fi
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken Libav."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
54 exit 1
55 fi
56
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
59 show_help(){
60 cat <<EOF
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
63
64 Help options:
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
77
78 Standard options:
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --prefix=PREFIX install in PREFIX [$prefix]
82 --bindir=DIR install binaries in DIR [PREFIX/bin]
83 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
84 --docdir=DIR install documentation in DIR [PREFIX/share/doc/libav]
85 --libdir=DIR install libs in DIR [PREFIX/lib]
86 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
87 --incdir=DIR install includes in DIR [PREFIX/include]
88 --mandir=DIR install man page in DIR [PREFIX/share/man]
89 --enable-rpath use rpath when linking programs [USE WITH CARE]
90
91 Licensing options:
92 --enable-gpl allow use of GPL code, the resulting libs
93 and binaries will be under GPL [no]
94 --enable-version3 upgrade (L)GPL to version 3 [no]
95 --enable-nonfree allow use of nonfree code, the resulting libs
96 and binaries will be unredistributable [no]
97
98 Configuration options:
99 --disable-static do not build static libraries [no]
100 --enable-shared build shared libraries [no]
101 --enable-small optimize for size instead of speed
102 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
103 --enable-gray enable full grayscale support (slower color)
104 --disable-swscale-alpha disable alpha channel support in swscale
105 --disable-all disable building components, libraries and programs
106
107 Program options:
108 --disable-programs do not build command line programs
109 --disable-avconv disable avconv build
110 --disable-avplay disable avplay build
111 --disable-avprobe disable avprobe build
112 --disable-avserver deprecated, does nothing
113
114 Component options:
115 --disable-doc do not build documentation
116 --disable-avdevice disable libavdevice build
117 --disable-avcodec disable libavcodec build
118 --disable-avformat disable libavformat build
119 --disable-avutil disable libavutil build
120 --disable-swscale disable libswscale build
121 --disable-avfilter disable video filter support [no]
122 --disable-avresample disable libavresample build [no]
123 --disable-pthreads disable pthreads [auto]
124 --disable-w32threads disable Win32 threads [auto]
125 --disable-network disable network support [no]
126 --disable-dct disable DCT code
127 --disable-error-resilience disable error resilience code
128 --disable-lsp disable LSP code
129 --disable-lzo disable LZO decoder code
130 --disable-mdct disable MDCT code
131 --disable-rdft disable RDFT code
132 --disable-fft disable FFT code
133 --disable-faan disable floating point AAN (I)DCT code
134
135 Hardware accelerators:
136 --enable-d3d11va enable D3D11VA code
137 --enable-dxva2 enable DXVA2 code
138 --enable-vaapi enable VAAPI code
139 --enable-vda enable VDA code
140 --enable-vdpau enable VDPAU code
141
142 Individual component options:
143 --disable-everything disable all components listed below
144 --disable-encoder=NAME disable encoder NAME
145 --enable-encoder=NAME enable encoder NAME
146 --disable-encoders disable all encoders
147 --disable-decoder=NAME disable decoder NAME
148 --enable-decoder=NAME enable decoder NAME
149 --disable-decoders disable all decoders
150 --disable-hwaccel=NAME disable hwaccel NAME
151 --enable-hwaccel=NAME enable hwaccel NAME
152 --disable-hwaccels disable all hwaccels
153 --disable-muxer=NAME disable muxer NAME
154 --enable-muxer=NAME enable muxer NAME
155 --disable-muxers disable all muxers
156 --disable-demuxer=NAME disable demuxer NAME
157 --enable-demuxer=NAME enable demuxer NAME
158 --disable-demuxers disable all demuxers
159 --enable-parser=NAME enable parser NAME
160 --disable-parser=NAME disable parser NAME
161 --disable-parsers disable all parsers
162 --enable-bsf=NAME enable bitstream filter NAME
163 --disable-bsf=NAME disable bitstream filter NAME
164 --disable-bsfs disable all bitstream filters
165 --enable-protocol=NAME enable protocol NAME
166 --disable-protocol=NAME disable protocol NAME
167 --disable-protocols disable all protocols
168 --enable-indev=NAME enable input device NAME
169 --disable-indev=NAME disable input device NAME
170 --disable-indevs disable input devices
171 --enable-outdev=NAME enable output device NAME
172 --disable-outdev=NAME disable output device NAME
173 --disable-outdevs disable output devices
174 --disable-devices disable all devices
175 --enable-filter=NAME enable filter NAME
176 --disable-filter=NAME disable filter NAME
177 --disable-filters disable all filters
178
179 External library support:
180 --enable-avisynth enable reading of AviSynth script files [no]
181 --enable-bzlib enable bzlib [autodetect]
182 --enable-frei0r enable frei0r video filtering
183 --enable-gnutls enable gnutls [no]
184 --enable-libbs2b enable bs2b DSP library [no]
185 --enable-libcdio enable audio CD grabbing with libcdio
186 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
187 and libraw1394 [no]
188 --enable-libdcadec enable DCA decoding via libdcadec [no]
189 --enable-libfaac enable AAC encoding via libfaac [no]
190 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
191 --enable-libfreetype enable libfreetype [no]
192 --enable-libgsm enable GSM de/encoding via libgsm [no]
193 --enable-libilbc enable iLBC de/encoding via libilbc [no]
194 --enable-libmfx enable HW acceleration through libmfx
195 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
196 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
197 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
198 --enable-libopencv enable video filtering via libopencv [no]
199 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
200 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
201 --enable-libopus enable Opus de/encoding via libopus [no]
202 --enable-libpulse enable Pulseaudio input via libpulse [no]
203 --enable-librtmp enable RTMP[E] support via librtmp [no]
204 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
205 --enable-libsnappy enable Snappy compression [no]
206 --enable-libspeex enable Speex de/encoding via libspeex [no]
207 --enable-libtheora enable Theora encoding via libtheora [no]
208 --enable-libtwolame enable MP2 encoding via libtwolame [no]
209 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
210 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
211 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
212 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
213 --enable-libwavpack enable wavpack encoding via libwavpack [no]
214 --enable-libwebp enable WebP encoding via libwebp [no]
215 --enable-libx264 enable H.264 encoding via x264 [no]
216 --enable-libx265 enable HEVC encoding via x265 [no]
217 --enable-libxavs enable AVS encoding via xavs [no]
218 --enable-libxcb enable X11 grabbing using XCB [no]
219 --enable-libxcb-shm enable X11 grabbing shm communication [auto]
220 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [auto]
221 --enable-libxvid enable Xvid encoding via xvidcore,
222 native MPEG-4/Xvid encoder exists [no]
223 --enable-mmal enable decoding via MMAL [no]
224 --enable-nvenc enable encoding via NVENC [no]
225 --enable-openssl enable openssl [no]
226 --enable-x11grab enable X11 grabbing (legacy) [no]
227 --enable-zlib enable zlib [autodetect]
228
229 Toolchain options:
230 --arch=ARCH select architecture [$arch]
231 --cpu=CPU select the minimum required CPU (affects
232 instruction selection, may crash on older CPUs)
233 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
234 --enable-cross-compile assume a cross-compiler is used
235 --sysroot=PATH root of cross-build tree
236 --sysinclude=PATH location of cross-build system headers
237 --target-os=OS compiler targets OS [$target_os]
238 --target-exec=CMD command to run executables on target
239 --target-path=DIR path to view of build directory on target
240 --target-samples=DIR path to samples directory on target
241 --toolchain=NAME set tool defaults according to NAME
242 --nm=NM use nm tool
243 --ar=AR use archive tool AR [$ar_default]
244 --as=AS use assembler AS [$as_default]
245 --cc=CC use C compiler CC [$cc_default]
246 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
247 --ld=LD use linker LD
248 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
249 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
250 --host-cc=HOSTCC use host C compiler HOSTCC
251 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
252 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
253 --host-ld=HOSTLD use host linker HOSTLD
254 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
255 --host-libs=HLIBS use libs HLIBS when linking for host
256 --host-os=OS compiler host OS [$target_os]
257 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
258 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
259 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
260 --extra-libs=ELIBS add ELIBS [$ELIBS]
261 --extra-version=STRING version string suffix []
262 --optflags=OPTFLAGS override optimization-related compiler flags
263 --build-suffix=SUFFIX library name suffix []
264 --enable-pic build position-independent code
265 --enable-thumb compile for Thumb instruction set
266 --enable-lto use link-time optimization
267 --env="ENV=override" override the environment variables
268
269 Advanced options (experts only):
270 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
271 --disable-symver disable symbol versioning
272 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
273 --disable-safe-bitstream-reader
274 disable buffer boundary checking in bitreaders
275 (faster, but may crash)
276 --enable-memalign-hack emulate memalign, interferes with memory debuggers
277 --enable-sram allow use of on-chip SRAM
278
279 Optimization options (experts only):
280 --disable-asm disable all assembly optimizations
281 --disable-altivec disable AltiVec optimizations
282 --disable-vsx disable VSX optimizations
283 --disable-power8 disable POWER8 optimizations
284 --disable-amd3dnow disable 3DNow! optimizations
285 --disable-amd3dnowext disable 3DNow! extended optimizations
286 --disable-mmx disable MMX optimizations
287 --disable-mmxext disable MMXEXT optimizations
288 --disable-sse disable SSE optimizations
289 --disable-sse2 disable SSE2 optimizations
290 --disable-sse3 disable SSE3 optimizations
291 --disable-ssse3 disable SSSE3 optimizations
292 --disable-sse4 disable SSE4 optimizations
293 --disable-sse42 disable SSE4.2 optimizations
294 --disable-avx disable AVX optimizations
295 --disable-xop disable XOP optimizations
296 --disable-fma3 disable FMA3 optimizations
297 --disable-fma4 disable FMA4 optimizations
298 --disable-avx2 disable AVX2 optimizations
299 --disable-armv5te disable armv5te optimizations
300 --disable-armv6 disable armv6 optimizations
301 --disable-armv6t2 disable armv6t2 optimizations
302 --disable-vfp disable VFP optimizations
303 --disable-neon disable NEON optimizations
304 --disable-inline-asm disable use of inline assembly
305 --disable-yasm disable use of nasm/yasm assembly
306
307 Developer options (useful when working on Libav itself):
308 --disable-debug disable debugging symbols
309 --enable-debug=LEVEL set the debug level [$debuglevel]
310 --disable-optimizations disable compiler optimizations
311 --enable-extra-warnings enable more compiler warnings
312 --samples=PATH location of test samples for FATE, if not set use
313 \$LIBAV_SAMPLES at make invocation time.
314 --enable-neon-clobber-test check NEON registers for clobbering (should be
315 used only for debugging purposes)
316 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
317 should be used only for debugging purposes)
318 --enable-random randomly enable/disable components
319 --disable-random
320 --enable-random=LIST randomly enable/disable specific components or
321 --disable-random=LIST component groups. LIST is a comma-separated list
322 of NAME[:PROB] entries where NAME is a component
323 (group) and PROB the probability associated with
324 NAME (default 0.5).
325 --random-seed=VALUE seed value for --enable/disable-random
326 --disable-valgrind-backtrace do not print a backtrace under Valgrind
327 (only applies to --disable-optimizations builds)
328
329 NOTE: Object files are built at the place where configure is launched.
330 EOF
331 exit 0
332 }
333
334 quotes='""'
335
336 log(){
337 echo "$@" >> $logfile
338 }
339
340 log_file(){
341 log BEGIN $1
342 pr -n -t $1 >> $logfile
343 log END $1
344 }
345
346 echolog(){
347 log "$@"
348 echo "$@"
349 }
350
351 warn(){
352 log "WARNING: $*"
353 WARNINGS="${WARNINGS}WARNING: $*\n"
354 }
355
356 die(){
357 echolog "$@"
358 cat <<EOF
359
360 If you think configure made a mistake, make sure you are using the latest
361 version from Git. If the latest version fails, report the problem to the
362 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
363 EOF
364 if disabled logging; then
365 cat <<EOF
366 Rerun configure with logging enabled (do not use --disable-logging), and
367 include the log this produces with your report.
368 EOF
369 else
370 cat <<EOF
371 Include the log file "$logfile" produced by configure as this will help
372 solving the problem.
373 EOF
374 fi
375 exit 1
376 }
377
378 # Avoid locale weirdness, besides we really just want to translate ASCII.
379 toupper(){
380 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
381 }
382
383 tolower(){
384 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
385 }
386
387 c_escape(){
388 echo "$*" | sed 's/["\\]/\\\0/g'
389 }
390
391 sh_quote(){
392 v=$(echo "$1" | sed "s/'/'\\\\''/g")
393 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
394 echo "$v"
395 }
396
397 cleanws(){
398 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
399 }
400
401 filter(){
402 pat=$1
403 shift
404 for v; do
405 eval "case $v in $pat) echo $v ;; esac"
406 done
407 }
408
409 filter_out(){
410 pat=$1
411 shift
412 for v; do
413 eval "case $v in $pat) ;; *) echo $v ;; esac"
414 done
415 }
416
417 map(){
418 m=$1
419 shift
420 for v; do eval $m; done
421 }
422
423 add_suffix(){
424 suffix=$1
425 shift
426 for v; do echo ${v}${suffix}; done
427 }
428
429 set_all(){
430 value=$1
431 shift
432 for var in $*; do
433 eval $var=$value
434 done
435 }
436
437 set_weak(){
438 value=$1
439 shift
440 for var; do
441 eval : \${$var:=$value}
442 done
443 }
444
445 sanitize_var_name(){
446 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
447 }
448
449 set_safe(){
450 var=$1
451 shift
452 eval $(sanitize_var_name "$var")='$*'
453 }
454
455 get_safe(){
456 eval echo \$$(sanitize_var_name "$1")
457 }
458
459 pushvar(){
460 for pvar in $*; do
461 eval level=\${${pvar}_level:=0}
462 eval ${pvar}_${level}="\$$pvar"
463 eval ${pvar}_level=$(($level+1))
464 done
465 }
466
467 popvar(){
468 for pvar in $*; do
469 eval level=\${${pvar}_level:-0}
470 test $level = 0 && continue
471 eval level=$(($level-1))
472 eval $pvar="\${${pvar}_${level}}"
473 eval ${pvar}_level=$level
474 eval unset ${pvar}_${level}
475 done
476 }
477
478 enable(){
479 set_all yes $*
480 }
481
482 disable(){
483 set_all no $*
484 }
485
486 enable_weak(){
487 set_weak yes $*
488 }
489
490 disable_weak(){
491 set_weak no $*
492 }
493
494 enable_safe(){
495 for var; do
496 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
497 done
498 }
499
500 disable_safe(){
501 for var; do
502 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
503 done
504 }
505
506 do_enable_deep(){
507 for var; do
508 enabled $var && continue
509 eval sel="\$${var}_select"
510 eval sgs="\$${var}_suggest"
511 pushvar var sgs
512 enable_deep $sel
513 popvar sgs
514 enable_deep_weak $sgs
515 popvar var
516 done
517 }
518
519 enable_deep(){
520 do_enable_deep $*
521 enable $*
522 }
523
524 enable_deep_weak(){
525 for var; do
526 disabled $var && continue
527 pushvar var
528 do_enable_deep $var
529 popvar var
530 enable_weak $var
531 done
532 }
533
534 enabled(){
535 test "${1#!}" = "$1" && op== || op=!=
536 eval test "x\$${1#!}" $op "xyes"
537 }
538
539 disabled(){
540 test "${1#!}" = "$1" && op== || op=!=
541 eval test "x\$${1#!}" $op "xno"
542 }
543
544 enabled_all(){
545 for opt; do
546 enabled $opt || return 1
547 done
548 }
549
550 disabled_all(){
551 for opt; do
552 disabled $opt || return 1
553 done
554 }
555
556 enabled_any(){
557 for opt; do
558 enabled $opt && return 0
559 done
560 }
561
562 disabled_any(){
563 for opt; do
564 disabled $opt && return 0
565 done
566 return 1
567 }
568
569 set_default(){
570 for opt; do
571 eval : \${$opt:=\$${opt}_default}
572 done
573 }
574
575 is_in(){
576 value=$1
577 shift
578 for var in $*; do
579 [ $var = $value ] && return 0
580 done
581 return 1
582 }
583
584 do_check_deps(){
585 for cfg; do
586 cfg="${cfg#!}"
587 enabled ${cfg}_checking && die "Circular dependency for $cfg."
588 disabled ${cfg}_checking && continue
589 enable ${cfg}_checking
590 append allopts $cfg
591
592 eval dep_all="\$${cfg}_deps"
593 eval dep_any="\$${cfg}_deps_any"
594 eval dep_sel="\$${cfg}_select"
595 eval dep_sgs="\$${cfg}_suggest"
596 eval dep_ifa="\$${cfg}_if"
597 eval dep_ifn="\$${cfg}_if_any"
598
599 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
600 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
601 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
602
603 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
604 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
605 enabled_all $dep_all || disable $cfg
606 enabled_any $dep_any || disable $cfg
607 disabled_any $dep_sel && disable $cfg
608
609 if enabled $cfg; then
610 enable_deep $dep_sel
611 enable_deep_weak $dep_sgs
612 fi
613
614 disable ${cfg}_checking
615 done
616 }
617
618 check_deps(){
619 unset allopts
620
621 do_check_deps "$@"
622
623 for cfg in $allopts; do
624 enabled $cfg || continue
625 eval dep_extralibs="\$${cfg}_extralibs"
626 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
627 done
628 }
629
630 print_config(){
631 pfx=$1
632 files=$2
633 shift 2
634 map 'eval echo "$v \${$v:-no}"' "$@" |
635 awk "BEGIN { split(\"$files\", files) }
636 {
637 c = \"$pfx\" toupper(\$1);
638 v = \$2;
639 sub(/yes/, 1, v);
640 sub(/no/, 0, v);
641 for (f in files) {
642 file = files[f];
643 if (file ~ /\\.h\$/) {
644 printf(\"#define %s %d\\n\", c, v) >>file;
645 } else if (file ~ /\\.asm\$/) {
646 printf(\"%%define %s %d\\n\", c, v) >>file;
647 } else if (file ~ /\\.mak\$/) {
648 n = -v ? \"\" : \"!\";
649 printf(\"%s%s=yes\\n\", n, c) >>file;
650 }
651 }
652 }"
653 }
654
655 print_enabled(){
656 suf=$1
657 shift
658 for v; do
659 enabled $v && printf "%s\n" ${v%$suf};
660 done
661 }
662
663 append(){
664 var=$1
665 shift
666 eval "$var=\"\$$var $*\""
667 }
668
669 prepend(){
670 var=$1
671 shift
672 eval "$var=\"$* \$$var\""
673 }
674
675 unique(){
676 var=$1
677 uniq_list=""
678 for tok in $(eval echo \$$var); do
679 uniq_list="$(filter_out $tok $uniq_list) $tok"
680 done
681 eval "$var=\"${uniq_list}\""
682 }
683
684 add_cppflags(){
685 append CPPFLAGS "$@"
686 }
687
688 add_cflags(){
689 append CFLAGS $($cflags_filter "$@")
690 }
691
692 add_asflags(){
693 append ASFLAGS $($asflags_filter "$@")
694 }
695
696 add_ldflags(){
697 append LDFLAGS $($ldflags_filter "$@")
698 }
699
700 add_ldexeflags(){
701 append LDEXEFLAGS $($ldflags_filter "$@")
702 }
703
704 add_stripflags(){
705 append STRIPFLAGS "$@"
706 }
707
708 add_extralibs(){
709 prepend extralibs $($ldflags_filter "$@")
710 }
711
712 add_host_cppflags(){
713 append host_cppflags "$@"
714 }
715
716 add_host_cflags(){
717 append host_cflags $($host_cflags_filter "$@")
718 }
719
720 add_host_ldflags(){
721 append host_ldflags $($host_ldflags_filter "$@")
722 }
723
724 add_compat(){
725 append compat_objs $1
726 shift
727 map 'add_cppflags -D$v' "$@"
728 }
729
730 check_cmd(){
731 log "$@"
732 "$@" >> $logfile 2>&1
733 }
734
735 cc_o(){
736 eval printf '%s\\n' $CC_O
737 }
738
739 cc_e(){
740 eval printf '%s\\n' $CC_E
741 }
742
743 check_cc(){
744 log check_cc "$@"
745 cat > $TMPC
746 log_file $TMPC
747 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
748 }
749
750 check_cpp(){
751 log check_cpp "$@"
752 cat > $TMPC
753 log_file $TMPC
754 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
755 }
756
757 as_o(){
758 eval printf '%s\\n' $AS_O
759 }
760
761 check_as(){
762 log check_as "$@"
763 cat > $TMPS
764 log_file $TMPS
765 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
766 }
767
768 check_inline_asm(){
769 log check_inline_asm "$@"
770 name="$1"
771 code="$2"
772 shift 2
773 disable $name
774 check_cc "$@" <<EOF && enable $name
775 void foo(void){ __asm__ volatile($code); }
776 EOF
777 }
778
779 check_insn(){
780 log check_insn "$@"
781 check_inline_asm ${1}_inline "\"$2\""
782 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
783 }
784
785 check_yasm(){
786 log check_yasm "$@"
787 echo "$1" > $TMPS
788 log_file $TMPS
789 shift 1
790 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
791 }
792
793 ld_o(){
794 eval printf '%s\\n' $LD_O
795 }
796
797 check_ld(){
798 log check_ld "$@"
799 flags=$(filter_out '-l*' "$@")
800 libs=$(filter '-l*' "$@")
801 check_cc $($cflags_filter $flags) || return
802 flags=$($ldflags_filter $flags)
803 libs=$($ldflags_filter $libs)
804 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
805 }
806
807 print_include(){
808 hdr=$1
809 test "${hdr%.h}" = "${hdr}" &&
810 echo "#include $hdr" ||
811 echo "#include <$hdr>"
812 }
813
814 check_code(){
815 log check_code "$@"
816 check=$1
817 headers=$2
818 code=$3
819 shift 3
820 {
821 for hdr in $headers; do
822 print_include $hdr
823 done
824 echo "int main(void) { $code; return 0; }"
825 } | check_$check "$@"
826 }
827
828 check_cppflags(){
829 log check_cppflags "$@"
830 check_cc "$@" <<EOF && append CPPFLAGS "$@"
831 int x;
832 EOF
833 }
834
835 test_cflags(){
836 log test_cflags "$@"
837 set -- $($cflags_filter "$@")
838 check_cc "$@" <<EOF
839 int x;
840 EOF
841 }
842
843 check_cflags(){
844 log check_cflags "$@"
845 test_cflags "$@" && add_cflags "$@"
846 }
847
848 test_ldflags(){
849 log test_ldflags "$@"
850 check_ld "$@" <<EOF
851 int main(void){ return 0; }
852 EOF
853 }
854
855 check_ldflags(){
856 log check_ldflags "$@"
857 test_ldflags "$@" && add_ldflags "$@"
858 }
859
860 test_stripflags(){
861 log test_stripflags "$@"
862 # call check_cc to get a fresh TMPO
863 check_cc <<EOF
864 int main(void) { return 0; }
865 EOF
866 check_cmd $strip $STRIPFLAGS "$@" $TMPO
867 }
868
869 check_stripflags(){
870 log check_stripflags "$@"
871 test_stripflags "$@" && add_stripflags "$@"
872 }
873
874 check_header(){
875 log check_header "$@"
876 header=$1
877 shift
878 disable_safe $header
879 check_cpp "$@" <<EOF && enable_safe $header
880 #include <$header>
881 int x;
882 EOF
883 }
884
885 check_func(){
886 log check_func "$@"
887 func=$1
888 shift
889 disable $func
890 check_ld "$@" <<EOF && enable $func
891 extern int $func();
892 int main(void){ $func(); }
893 EOF
894 }
895
896 check_mathfunc(){
897 log check_mathfunc "$@"
898 func=$1
899 narg=$2
900 shift 2
901 test $narg = 2 && args="f, g" || args="f"
902 disable $func
903 check_ld "$@" <<EOF && enable $func
904 #include <math.h>
905 float foo(float f, float g) { return $func($args); }
906 int main(void){ return 0; }
907 EOF
908 }
909
910 check_func_headers(){
911 log check_func_headers "$@"
912 headers=$1
913 funcs=$2
914 shift 2
915 {
916 for hdr in $headers; do
917 print_include $hdr
918 done
919 for func in $funcs; do
920 echo "long check_$func(void) { return (long) $func; }"
921 done
922 echo "int main(void) { return 0; }"
923 } | check_ld "$@" && enable $funcs && enable_safe $headers
924 }
925
926 check_cpp_condition(){
927 log check_cpp_condition "$@"
928 header=$1
929 condition=$2
930 shift 2
931 check_cpp "$@" <<EOF
932 #include <$header>
933 #if !($condition)
934 #error "unsatisfied condition: $condition"
935 #endif
936 EOF
937 }
938
939 check_lib(){
940 log check_lib "$@"
941 header="$1"
942 func="$2"
943 shift 2
944 check_header $header && check_func $func "$@" && add_extralibs "$@"
945 }
946
947 check_lib2(){
948 log check_lib2 "$@"
949 headers="$1"
950 funcs="$2"
951 shift 2
952 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
953 }
954
955 check_pkg_config(){
956 log check_pkg_config "$@"
957 pkg="$1"
958 headers="$2"
959 funcs="$3"
960 shift 3
961 check_cmd $pkg_config --exists --print-errors $pkg || return
962 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
963 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
964 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
965 set_safe "${pkg}_cflags" $pkg_cflags &&
966 set_safe "${pkg}_libs" $pkg_libs
967 }
968
969 check_exec(){
970 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
971 }
972
973 check_exec_crash(){
974 code=$(cat)
975
976 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
977 # are safe but may not be available everywhere. Thus we use
978 # raise(SIGTERM) instead. The check is run in a subshell so we
979 # can redirect the "Terminated" message from the shell. SIGBUS
980 # is not defined by standard C so it is used conditionally.
981
982 (check_exec "$@") >> $logfile 2>&1 <<EOF
983 #include <signal.h>
984 static void sighandler(int sig){
985 raise(SIGTERM);
986 }
987 int foo(void){
988 $code
989 }
990 int (*func_ptr)(void) = foo;
991 int main(void){
992 signal(SIGILL, sighandler);
993 signal(SIGFPE, sighandler);
994 signal(SIGSEGV, sighandler);
995 #ifdef SIGBUS
996 signal(SIGBUS, sighandler);
997 #endif
998 return func_ptr();
999 }
1000 EOF
1001 }
1002
1003 check_type(){
1004 log check_type "$@"
1005 headers=$1
1006 type=$2
1007 shift 2
1008 disable_safe "$type"
1009 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1010 }
1011
1012 check_struct(){
1013 log check_struct "$@"
1014 headers=$1
1015 struct=$2
1016 member=$3
1017 shift 3
1018 disable_safe "${struct}_${member}"
1019 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1020 enable_safe "${struct}_${member}"
1021 }
1022
1023 check_builtin(){
1024 log check_builtin "$@"
1025 name=$1
1026 headers=$2
1027 builtin=$3
1028 shift 3
1029 disable "$name"
1030 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1031 }
1032
1033 check_compile_assert(){
1034 log check_compile_assert "$@"
1035 name=$1
1036 headers=$2
1037 condition=$3
1038 shift 3
1039 disable "$name"
1040 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1041 }
1042
1043 require(){
1044 name="$1"
1045 header="$2"
1046 func="$3"
1047 shift 3
1048 check_lib $header $func "$@" || die "ERROR: $name not found"
1049 }
1050
1051 require2(){
1052 name="$1"
1053 headers="$2"
1054 func="$3"
1055 shift 3
1056 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1057 }
1058
1059 require_pkg_config(){
1060 pkg="$1"
1061 check_pkg_config "$@" || die "ERROR: $pkg not found"
1062 add_cflags $(get_safe "${pkg}_cflags")
1063 add_extralibs $(get_safe "${pkg}_libs")
1064 }
1065
1066 hostcc_e(){
1067 eval printf '%s\\n' $HOSTCC_E
1068 }
1069
1070 hostcc_o(){
1071 eval printf '%s\\n' $HOSTCC_O
1072 }
1073
1074 check_host_cc(){
1075 log check_host_cc "$@"
1076 cat > $TMPC
1077 log_file $TMPC
1078 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1079 }
1080
1081 check_host_cpp(){
1082 log check_host_cpp "$@"
1083 cat > $TMPC
1084 log_file $TMPC
1085 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1086 }
1087
1088 check_host_cppflags(){
1089 log check_host_cppflags "$@"
1090 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1091 int x;
1092 EOF
1093 }
1094
1095 check_host_cflags(){
1096 log check_host_cflags "$@"
1097 set -- $($host_cflags_filter "$@")
1098 check_host_cc "$@" <<EOF && append host_cflags "$@"
1099 int x;
1100 EOF
1101 }
1102
1103 check_host_cpp_condition(){
1104 log check_host_cpp_condition "$@"
1105 header=$1
1106 condition=$2
1107 shift 2
1108 check_host_cpp "$@" <<EOF
1109 #include <$header>
1110 #if !($condition)
1111 #error "unsatisfied condition: $condition"
1112 #endif
1113 EOF
1114 }
1115
1116 apply(){
1117 file=$1
1118 shift
1119 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1120 }
1121
1122 cp_if_changed(){
1123 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1124 mkdir -p "$(dirname $2)"
1125 $cp_f "$1" "$2"
1126 }
1127
1128 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1129 # system-dependent things.
1130
1131 COMPONENT_LIST="
1132 bsfs
1133 decoders
1134 demuxers
1135 encoders
1136 filters
1137 hwaccels
1138 indevs
1139 muxers
1140 outdevs
1141 parsers
1142 protocols
1143 "
1144
1145 EXAMPLE_LIST="
1146 avcodec_example
1147 filter_audio_example
1148 metadata_example
1149 output_example
1150 qsvdec_example
1151 transcode_aac_example
1152 "
1153
1154 EXTERNAL_LIBRARY_LIST="
1155 avisynth
1156 bzlib
1157 frei0r
1158 gnutls
1159 libbs2b
1160 libcdio
1161 libdc1394
1162 libdcadec
1163 libfaac
1164 libfdk_aac
1165 libfontconfig
1166 libfreetype
1167 libgsm
1168 libilbc
1169 libmfx
1170 libmp3lame
1171 libopencore_amrnb
1172 libopencore_amrwb
1173 libopencv
1174 libopenh264
1175 libopenjpeg
1176 libopus
1177 libpulse
1178 librtmp
1179 libschroedinger
1180 libsnappy
1181 libspeex
1182 libtheora
1183 libtwolame
1184 libvo_aacenc
1185 libvo_amrwbenc
1186 libvorbis
1187 libvpx
1188 libwavpack
1189 libwebp
1190 libx264
1191 libx265
1192 libxavs
1193 libxcb
1194 libxcb_shm
1195 libxcb_xfixes
1196 libxvid
1197 mmal
1198 nvenc
1199 openssl
1200 x11grab
1201 zlib
1202 "
1203
1204 FEATURE_LIST="
1205 gray
1206 hardcoded_tables
1207 runtime_cpudetect
1208 safe_bitstream_reader
1209 shared
1210 small
1211 sram
1212 static
1213 swscale_alpha
1214 "
1215
1216 HWACCEL_LIST="
1217 d3d11va
1218 dxva2
1219 vaapi
1220 vda
1221 vdpau
1222 "
1223
1224 LIBRARY_LIST="
1225 avcodec
1226 avdevice
1227 avfilter
1228 avformat
1229 avresample
1230 avutil
1231 swscale
1232 "
1233
1234 LICENSE_LIST="
1235 gpl
1236 nonfree
1237 version3
1238 "
1239
1240 PROGRAM_LIST="
1241 avconv
1242 avplay
1243 avprobe
1244 "
1245
1246 SUBSYSTEM_LIST="
1247 dct
1248 doc
1249 error_resilience
1250 faan
1251 fft
1252 lsp
1253 lzo
1254 mdct
1255 network
1256 rdft
1257 "
1258
1259 CONFIG_LIST="
1260 $COMPONENT_LIST
1261 $EXAMPLE_LIST
1262 $EXTERNAL_LIBRARY_LIST
1263 $FEATURE_LIST
1264 $HWACCEL_LIST
1265 $LICENSE_LIST
1266 $LIBRARY_LIST
1267 $PROGRAM_LIST
1268 $SUBSYSTEM_LIST
1269 memalign_hack
1270 neon_clobber_test
1271 pic
1272 pod2man
1273 texi2html
1274 thumb
1275 valgrind_backtrace
1276 xmm_clobber_test
1277 "
1278
1279 THREADS_LIST="
1280 pthreads
1281 w32threads
1282 "
1283
1284 ATOMICS_LIST="
1285 atomics_gcc
1286 atomics_suncc
1287 atomics_win32
1288 "
1289
1290 ARCH_LIST="
1291 aarch64
1292 alpha
1293 arm
1294 avr32
1295 avr32_ap
1296 avr32_uc
1297 bfin
1298 ia64
1299 m68k
1300 mips
1301 mips64
1302 parisc
1303 ppc
1304 ppc64
1305 s390
1306 sh4
1307 sparc
1308 sparc64
1309 tilegx
1310 tilepro
1311 tomi
1312 x86
1313 x86_32
1314 x86_64
1315 "
1316
1317 ARCH_EXT_LIST_ARM="
1318 armv5te
1319 armv6
1320 armv6t2
1321 armv8
1322 neon
1323 vfp
1324 vfpv3
1325 "
1326
1327 ARCH_EXT_LIST_X86_SIMD="
1328 amd3dnow
1329 amd3dnowext
1330 avx
1331 avx2
1332 fma3
1333 fma4
1334 mmx
1335 mmxext
1336 sse
1337 sse2
1338 sse3
1339 sse4
1340 sse42
1341 ssse3
1342 xop
1343 "
1344
1345 ARCH_EXT_LIST_PPC="
1346 altivec
1347 dcbzl
1348 ldbrx
1349 power8
1350 ppc4xx
1351 vsx
1352 "
1353
1354 ARCH_EXT_LIST_X86="
1355 $ARCH_EXT_LIST_X86_SIMD
1356 cpunop
1357 i686
1358 "
1359
1360 ARCH_EXT_LIST="
1361 $ARCH_EXT_LIST_ARM
1362 $ARCH_EXT_LIST_PPC
1363 $ARCH_EXT_LIST_X86
1364 loongson
1365 vis
1366 "
1367
1368 ARCH_FEATURES="
1369 aligned_stack
1370 fast_64bit
1371 fast_clz
1372 fast_cmov
1373 local_aligned_8
1374 local_aligned_16
1375 simd_align_16
1376 "
1377
1378 BUILTIN_LIST="
1379 atomic_cas_ptr
1380 machine_rw_barrier
1381 MemoryBarrier
1382 mm_empty
1383 rdtsc
1384 sync_val_compare_and_swap
1385 "
1386 HAVE_LIST_CMDLINE="
1387 inline_asm
1388 symver
1389 yasm
1390 "
1391
1392 HAVE_LIST_PUB="
1393 bigendian
1394 fast_unaligned
1395 "
1396
1397 HEADERS_LIST="
1398 alsa_asoundlib_h
1399 altivec_h
1400 arpa_inet_h
1401 cdio_paranoia_h
1402 cdio_paranoia_paranoia_h
1403 dev_bktr_ioctl_bt848_h
1404 dev_bktr_ioctl_meteor_h
1405 dev_ic_bt8xx_h
1406 dev_video_bktr_ioctl_bt848_h
1407 dev_video_meteor_ioctl_meteor_h
1408 direct_h
1409 dlfcn_h
1410 d3d11_h
1411 dxva_h
1412 gsm_h
1413 io_h
1414 mach_mach_time_h
1415 machine_ioctl_bt848_h
1416 machine_ioctl_meteor_h
1417 malloc_h
1418 poll_h
1419 sndio_h
1420 soundcard_h
1421 sys_mman_h
1422 sys_param_h
1423 sys_resource_h
1424 sys_select_h
1425 sys_soundcard_h
1426 sys_time_h
1427 sys_un_h
1428 sys_videoio_h
1429 unistd_h
1430 valgrind_valgrind_h
1431 windows_h
1432 winsock2_h
1433 "
1434
1435 INTRINSICS_LIST="
1436 intrinsics_neon
1437 "
1438
1439 MATH_FUNCS="
1440 atanf
1441 atan2f
1442 cbrtf
1443 cosf
1444 exp2
1445 exp2f
1446 expf
1447 isinf
1448 isnan
1449 ldexpf
1450 llrint
1451 llrintf
1452 log2
1453 log2f
1454 log10f
1455 lrint
1456 lrintf
1457 powf
1458 rint
1459 round
1460 roundf
1461 sinf
1462 trunc
1463 truncf
1464 "
1465
1466 SYSTEM_FUNCS="
1467 aligned_malloc
1468 clock_gettime
1469 closesocket
1470 CommandLineToArgvW
1471 CoTaskMemFree
1472 CryptGenRandom
1473 dlopen
1474 fcntl
1475 flt_lim
1476 fork
1477 getaddrinfo
1478 gethrtime
1479 getopt
1480 GetProcessAffinityMask
1481 GetProcessMemoryInfo
1482 GetProcessTimes
1483 getrusage
1484 getservbyport
1485 GetSystemTimeAsFileTime
1486 gettimeofday
1487 gmtime_r
1488 inet_aton
1489 isatty
1490 jack_port_get_latency_range
1491 LoadLibrary
1492 localtime_r
1493 mach_absolute_time
1494 MapViewOfFile
1495 memalign
1496 mkstemp
1497 mmap
1498 mprotect
1499 nanosleep
1500 posix_memalign
1501 sched_getaffinity
1502 SetConsoleTextAttribute
1503 setmode
1504 setrlimit
1505 Sleep
1506 strerror_r
1507 sysconf
1508 sysctl
1509 usleep
1510 VirtualAlloc
1511 "
1512
1513 TOOLCHAIN_FEATURES="
1514 as_dn_directive
1515 as_func
1516 as_object_arch
1517 asm_mod_q
1518 attribute_may_alias
1519 attribute_packed
1520 ebp_available
1521 ebx_available
1522 gnu_as
1523 ibm_asm
1524 inline_asm_labels
1525 pragma_deprecated
1526 symver_asm_label
1527 symver_gnu_asm
1528 vfp_args
1529 xform_asm
1530 xmm_clobbers
1531 "
1532
1533 TYPES_LIST="
1534 CONDITION_VARIABLE_Ptr
1535 socklen_t
1536 struct_addrinfo
1537 struct_group_source_req
1538 struct_ip_mreq_source
1539 struct_ipv6_mreq
1540 struct_pollfd
1541 struct_rusage_ru_maxrss
1542 struct_sockaddr_in6
1543 struct_sockaddr_sa_len
1544 struct_sockaddr_storage
1545 struct_v4l2_frmivalenum_discrete
1546 "
1547
1548 HAVE_LIST="
1549 $ARCH_EXT_LIST
1550 $(add_suffix _external $ARCH_EXT_LIST)
1551 $(add_suffix _inline $ARCH_EXT_LIST)
1552 $ARCH_FEATURES
1553 $ATOMICS_LIST
1554 $BUILTIN_LIST
1555 $HAVE_LIST_CMDLINE
1556 $HAVE_LIST_PUB
1557 $HEADERS_LIST
1558 $INTRINSICS_LIST
1559 $MATH_FUNCS
1560 $SYSTEM_FUNCS
1561 $THREADS_LIST
1562 $TOOLCHAIN_FEATURES
1563 $TYPES_LIST
1564 atomics_native
1565 dos_paths
1566 dxva2_lib
1567 libc_msvcrt
1568 libdc1394_1
1569 libdc1394_2
1570 sdl
1571 section_data_rel_ro
1572 threads
1573 vaapi_x11
1574 vdpau_x11
1575 xlib
1576 "
1577
1578 # options emitted with CONFIG_ prefix but not available on the command line
1579 CONFIG_EXTRA="
1580 aandcttables
1581 ac3dsp
1582 audio_frame_queue
1583 audiodsp
1584 blockdsp
1585 bswapdsp
1586 cabac
1587 dvprofile
1588 faandct
1589 faanidct
1590 fdctdsp
1591 fmtconvert
1592 gcrypt
1593 gmp
1594 golomb
1595 gplv3
1596 h263dsp
1597 h264chroma
1598 h264dsp
1599 h264pred
1600 h264qpel
1601 hpeldsp
1602 huffman
1603 huffyuvdsp
1604 huffyuvencdsp
1605 idctdsp
1606 iirfilter
1607 imdct15
1608 intrax8
1609 jpegtables
1610 lgplv3
1611 lpc
1612 me_cmp
1613 mpeg_er
1614 mpegaudio
1615 mpegaudiodsp
1616 mpegvideo
1617 mpegvideoenc
1618 pixblockdsp
1619 qpeldsp
1620 qsv
1621 qsvdec
1622 qsvenc
1623 rangecoder
1624 riffdec
1625 riffenc
1626 rtpdec
1627 rtpenc_chain
1628 sinewin
1629 snappy
1630 startcode
1631 texturedsp
1632 texturedspenc
1633 tpeldsp
1634 videodsp
1635 vp3dsp
1636 wma_freqs
1637 "
1638
1639 CMDLINE_SELECT="
1640 $ARCH_EXT_LIST
1641 $CONFIG_LIST
1642 $HAVE_LIST_CMDLINE
1643 $THREADS_LIST
1644 asm
1645 cross_compile
1646 debug
1647 extra_warnings
1648 logging
1649 lto
1650 optimizations
1651 rpath
1652 "
1653
1654 PATHS_LIST="
1655 bindir
1656 datadir
1657 docdir
1658 incdir
1659 libdir
1660 mandir
1661 prefix
1662 shlibdir
1663 "
1664
1665 CMDLINE_SET="
1666 $PATHS_LIST
1667 ar
1668 arch
1669 as
1670 build_suffix
1671 cc
1672 cpu
1673 cross_prefix
1674 dep_cc
1675 env
1676 extra_version
1677 host_cc
1678 host_cflags
1679 host_ld
1680 host_ldflags
1681 host_libs
1682 host_os
1683 ld
1684 logfile
1685 malloc_prefix
1686 nm
1687 optflags
1688 pkg_config
1689 pkg_config_flags
1690 random_seed
1691 samples
1692 sysinclude
1693 sysroot
1694 target_exec
1695 target_os
1696 target_path
1697 target_samples
1698 toolchain
1699 "
1700
1701 CMDLINE_APPEND="
1702 extra_cflags
1703 host_cppflags
1704 "
1705
1706 # code dependency declarations
1707
1708 # architecture extensions
1709
1710 armv5te_deps="arm"
1711 armv6_deps="arm"
1712 armv6t2_deps="arm"
1713 armv8_deps="aarch64"
1714 neon_deps_any="aarch64 arm"
1715 intrinsics_neon_deps="neon"
1716 vfp_deps_any="aarch64 arm"
1717 vfpv3_deps="vfp"
1718
1719 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1720
1721 altivec_deps="ppc"
1722 ppc4xx_deps="ppc"
1723 vsx_deps="altivec"
1724 power8_deps="vsx"
1725
1726 cpunop_deps="i686"
1727 x86_64_select="i686"
1728 x86_64_suggest="fast_cmov"
1729
1730 amd3dnow_deps="mmx"
1731 amd3dnowext_deps="amd3dnow"
1732 i686_deps="x86"
1733 mmx_deps="x86"
1734 mmxext_deps="mmx"
1735 sse_deps="mmxext"
1736 sse2_deps="sse"
1737 sse3_deps="sse2"
1738 ssse3_deps="sse3"
1739 sse4_deps="ssse3"
1740 sse42_deps="sse4"
1741 avx_deps="sse42"
1742 xop_deps="avx"
1743 fma3_deps="avx"
1744 fma4_deps="avx"
1745 avx2_deps="avx"
1746
1747 mmx_external_deps="yasm"
1748 mmx_inline_deps="inline_asm"
1749 mmx_suggest="mmx_external mmx_inline"
1750
1751 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1752 eval dep=\$${ext}_deps
1753 eval ${ext}_external_deps='"${dep}_external"'
1754 eval ${ext}_inline_deps='"${dep}_inline"'
1755 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1756 done
1757
1758 aligned_stack_if_any="aarch64 ppc x86"
1759 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1760 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1761 fast_unaligned_if_any="aarch64 ppc x86"
1762 simd_align_16_if_any="altivec neon sse"
1763
1764 # system capabilities
1765 symver_if_any="symver_asm_label symver_gnu_asm"
1766 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
1767
1768 # threading support
1769 atomics_gcc_if="sync_val_compare_and_swap"
1770 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1771 atomics_win32_if="MemoryBarrier"
1772 atomics_native_if_any="$ATOMICS_LIST"
1773 w32threads_deps="atomics_native"
1774 threads_if_any="$THREADS_LIST"
1775
1776 # subsystems
1777 dct_select="rdft"
1778 error_resilience_select="me_cmp"
1779 faandct_deps="faan fdctdsp"
1780 faanidct_deps="faan idctdsp"
1781 intrax8_select="error_resilience"
1782 mdct_select="fft"
1783 rdft_select="fft"
1784 me_cmp_select="fdctdsp idctdsp pixblockdsp"
1785 mpeg_er_select="error_resilience"
1786 mpegaudio_select="mpegaudiodsp"
1787 mpegaudiodsp_select="dct"
1788 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp videodsp"
1789 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
1790 nvenc_deps_any="dlopen LoadLibrary"
1791 nvenc_extralibs='$ldl'
1792 qsvdec_select="qsv"
1793 qsvenc_select="qsv"
1794
1795 # decoders / encoders
1796 aac_decoder_select="imdct15 mdct sinewin"
1797 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
1798 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1799 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
1800 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1801 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
1802 aic_decoder_select="golomb idctdsp"
1803 alac_encoder_select="lpc"
1804 als_decoder_select="bswapdsp"
1805 amrnb_decoder_select="lsp"
1806 amrwb_decoder_select="lsp"
1807 amv_decoder_select="sp5x_decoder"
1808 ape_decoder_select="bswapdsp"
1809 asv1_decoder_select="blockdsp bswapdsp idctdsp"
1810 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
1811 asv2_decoder_select="blockdsp bswapdsp idctdsp"
1812 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
1813 atrac1_decoder_select="mdct sinewin"
1814 atrac3_decoder_select="mdct"
1815 atrac3p_decoder_select="mdct sinewin"
1816 bink_decoder_select="blockdsp hpeldsp"
1817 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
1818 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
1819 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
1820 cllc_decoder_select="bswapdsp"
1821 comfortnoise_encoder_select="lpc"
1822 cook_decoder_select="audiodsp mdct sinewin"
1823 cscd_decoder_select="lzo"
1824 cscd_decoder_suggest="zlib"
1825 dca_decoder_select="fmtconvert mdct"
1826 dds_decoder_select="texturedsp"
1827 dnxhd_decoder_select="blockdsp idctdsp"
1828 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
1829 dvvideo_decoder_select="dvprofile idctdsp"
1830 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
1831 dxa_decoder_deps="zlib"
1832 eac3_decoder_select="ac3_decoder"
1833 eac3_encoder_select="ac3_encoder"
1834 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
1835 eatgq_decoder_select="aandcttables idctdsp"
1836 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
1837 exr_decoder_deps="zlib"
1838 ffv1_decoder_select="golomb rangecoder"
1839 ffv1_encoder_select="rangecoder"
1840 ffvhuff_decoder_select="huffyuv_decoder"
1841 ffvhuff_encoder_select="huffyuv_encoder"
1842 fic_decoder_select="golomb"
1843 flac_decoder_select="golomb"
1844 flac_encoder_select="bswapdsp golomb lpc"
1845 flashsv_decoder_deps="zlib"
1846 flashsv_encoder_deps="zlib"
1847 flashsv2_decoder_deps="zlib"
1848 flv_decoder_select="h263_decoder"
1849 flv_encoder_select="h263_encoder"
1850 fourxm_decoder_select="blockdsp bswapdsp"
1851 fraps_decoder_select="bswapdsp huffman"
1852 g2m_decoder_deps="zlib"
1853 g2m_decoder_select="blockdsp idctdsp jpegtables"
1854 h261_decoder_select="mpeg_er mpegvideo"
1855 h261_encoder_select="aandcttables mpegvideoenc"
1856 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
1857 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1858 h263i_decoder_select="h263_decoder"
1859 h263p_encoder_select="h263_encoder"
1860 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
1861 h264_decoder_suggest="error_resilience"
1862 h264_nvenc_encoder_deps="nvenc"
1863 h264_qsv_decoder_deps="libmfx"
1864 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
1865 h264_qsv_encoder_deps="libmfx"
1866 h264_qsv_encoder_select="qsvenc"
1867 hap_decoder_select="snappy texturedsp"
1868 hap_encoder_deps="libsnappy"
1869 hap_encoder_select="texturedspenc"
1870 hevc_decoder_select="bswapdsp cabac golomb videodsp"
1871 hevc_nvenc_encoder_deps="nvenc"
1872 hevc_qsv_encoder_deps="libmfx"
1873 hevc_qsv_encoder_select="qsvenc"
1874 huffyuv_decoder_select="bswapdsp huffyuvdsp"
1875 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
1876 iac_decoder_select="imc_decoder"
1877 imc_decoder_select="bswapdsp fft mdct sinewin"
1878 indeo3_decoder_select="hpeldsp"
1879 interplay_video_decoder_select="hpeldsp"
1880 jpegls_decoder_select="golomb mjpeg_decoder"
1881 jpegls_encoder_select="golomb"
1882 jv_decoder_select="blockdsp"
1883 lagarith_decoder_select="huffyuvdsp"
1884 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
1885 loco_decoder_select="golomb"
1886 mdec_decoder_select="blockdsp idctdsp mpegvideo"
1887 metasound_decoder_select="lsp mdct sinewin"
1888 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
1889 mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
1890 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
1891 mjpegb_decoder_select="mjpeg_decoder"
1892 mlp_decoder_select="mlp_parser"
1893 motionpixels_decoder_select="bswapdsp"
1894 mp1_decoder_select="mpegaudio"
1895 mp1float_decoder_select="mpegaudio"
1896 mp2_decoder_select="mpegaudio"
1897 mp2float_decoder_select="mpegaudio"
1898 mp3_decoder_select="mpegaudio"
1899 mp3adu_decoder_select="mpegaudio"
1900 mp3adufloat_decoder_select="mpegaudio"
1901 mp3float_decoder_select="mpegaudio"
1902 mp3on4_decoder_select="mpegaudio"
1903 mp3on4float_decoder_select="mpegaudio"
1904 mpc7_decoder_select="bswapdsp mpegaudiodsp"
1905 mpc8_decoder_select="mpegaudiodsp"
1906 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1907 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1908 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
1909 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1910 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
1911 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1912 mpeg2_qsv_encoder_deps="libmfx"
1913 mpeg2_qsv_encoder_select="qsvenc"
1914 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1915 mpeg4_encoder_select="h263_encoder"
1916 msmpeg4v1_decoder_select="h263_decoder"
1917 msmpeg4v2_decoder_select="h263_decoder"
1918 msmpeg4v2_encoder_select="h263_encoder"
1919 msmpeg4v3_decoder_select="h263_decoder"
1920 msmpeg4v3_encoder_select="h263_encoder"
1921 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
1922 mxpeg_decoder_select="mjpeg_decoder"
1923 nellymoser_decoder_select="mdct sinewin"
1924 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1925 nuv_decoder_select="idctdsp lzo"
1926 on2avc_decoder_select="mdct"
1927 opus_decoder_deps="avresample"
1928 opus_decoder_select="imdct15"
1929 png_decoder_deps="zlib"
1930 png_encoder_deps="zlib"
1931 png_encoder_select="huffyuvencdsp"
1932 prores_decoder_select="idctdsp"
1933 prores_encoder_select="fdctdsp"
1934 qcelp_decoder_select="lsp"
1935 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1936 ra_144_encoder_select="audio_frame_queue lpc"
1937 ralf_decoder_select="golomb"
1938 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
1939 rv10_encoder_select="h263_encoder"
1940 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
1941 rv20_encoder_select="h263_encoder"
1942 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
1943 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
1944 shorten_decoder_select="golomb"
1945 sipr_decoder_select="lsp"
1946 sp5x_decoder_select="mjpeg_decoder"
1947 svq1_decoder_select="hpeldsp"
1948 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
1949 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
1950 svq3_decoder_suggest="zlib"
1951 tak_decoder_select="audiodsp"
1952 tdsc_decoder_deps="zlib"
1953 tdsc_decoder_select="mjpeg_decoder"
1954 theora_decoder_select="vp3_decoder"
1955 thp_decoder_select="mjpeg_decoder"
1956 tiff_decoder_suggest="zlib"
1957 tiff_encoder_suggest="zlib"
1958 truehd_decoder_select="mlp_decoder"
1959 truemotion2_decoder_select="bswapdsp"
1960 truespeech_decoder_select="bswapdsp"
1961 tscc_decoder_deps="zlib"
1962 txd_decoder_select="texturedsp"
1963 twinvq_decoder_select="mdct lsp sinewin"
1964 utvideo_decoder_select="bswapdsp"
1965 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
1966 vble_decoder_select="huffyuvdsp"
1967 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
1968 vc1image_decoder_select="vc1_decoder"
1969 vorbis_decoder_select="mdct"
1970 vorbis_encoder_select="mdct"
1971 vp3_decoder_select="hpeldsp vp3dsp videodsp"
1972 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1973 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
1974 vp6a_decoder_select="vp6_decoder"
1975 vp6f_decoder_select="vp6_decoder"
1976 vp7_decoder_select="h264pred videodsp"
1977 vp8_decoder_select="h264pred videodsp"
1978 vp9_decoder_select="videodsp"
1979 webp_decoder_select="vp8_decoder"
1980 wmapro_decoder_select="mdct sinewin wma_freqs"
1981 wmav1_decoder_select="mdct sinewin wma_freqs"
1982 wmav1_encoder_select="mdct sinewin wma_freqs"
1983 wmav2_decoder_select="mdct sinewin wma_freqs"
1984 wmav2_encoder_select="mdct sinewin wma_freqs"
1985 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1986 wmv1_decoder_select="h263_decoder"
1987 wmv1_encoder_select="h263_encoder"
1988 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"
1989 wmv2_encoder_select="h263_encoder"
1990 wmv3_decoder_select="vc1_decoder"
1991 wmv3image_decoder_select="wmv3_decoder"
1992 zerocodec_decoder_deps="zlib"
1993 zlib_decoder_deps="zlib"
1994 zlib_encoder_deps="zlib"
1995 zmbv_decoder_deps="zlib"
1996 zmbv_encoder_deps="zlib"
1997
1998 # hardware accelerators
1999 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2000 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2001 vaapi_deps="va_va_h"
2002 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2003 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2004 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2005
2006 h263_vaapi_hwaccel_deps="vaapi"
2007 h263_vaapi_hwaccel_select="h263_decoder"
2008 h263_vdpau_hwaccel_deps="vdpau"
2009 h263_vdpau_hwaccel_select="h263_decoder"
2010 h264_d3d11va_hwaccel_deps="d3d11va"
2011 h264_d3d11va_hwaccel_select="h264_decoder"
2012 h264_dxva2_hwaccel_deps="dxva2"
2013 h264_dxva2_hwaccel_select="h264_decoder"
2014 h264_mmal_decoder_deps="mmal"
2015 h264_mmal_hwaccel_deps="mmal"
2016 h264_mmal_decoder_select="h264_decoder"
2017 h264_mmal_encoder_deps="mmal"
2018 h264_qsv_hwaccel_deps="libmfx"
2019 h264_vaapi_hwaccel_deps="vaapi"
2020 h264_vaapi_hwaccel_select="h264_decoder"
2021 h264_vda_hwaccel_deps="vda"
2022 h264_vda_hwaccel_select="h264_decoder"
2023 h264_vda_old_hwaccel_deps="vda"
2024 h264_vda_old_hwaccel_select="h264_decoder"
2025 h264_vdpau_hwaccel_deps="vdpau"
2026 h264_vdpau_hwaccel_select="h264_decoder"
2027 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2028 hevc_d3d11va_hwaccel_select="hevc_decoder"
2029 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2030 hevc_dxva2_hwaccel_select="hevc_decoder"
2031 mpeg1_vdpau_hwaccel_deps="vdpau"
2032 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2033 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2034 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2035 mpeg2_dxva2_hwaccel_deps="dxva2"
2036 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2037 mpeg2_vaapi_hwaccel_deps="vaapi"
2038 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2039 mpeg2_vdpau_hwaccel_deps="vdpau"
2040 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2041 mpeg4_vaapi_hwaccel_deps="vaapi"
2042 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2043 mpeg4_vdpau_hwaccel_deps="vdpau"
2044 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2045 vc1_d3d11va_hwaccel_deps="d3d11va"
2046 vc1_d3d11va_hwaccel_select="vc1_decoder"
2047 vc1_dxva2_hwaccel_deps="dxva2"
2048 vc1_dxva2_hwaccel_select="vc1_decoder"
2049 vc1_vaapi_hwaccel_deps="vaapi"
2050 vc1_vaapi_hwaccel_select="vc1_decoder"
2051 vc1_vdpau_hwaccel_deps="vdpau"
2052 vc1_vdpau_hwaccel_select="vc1_decoder"
2053 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2054 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2055 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2056 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2057
2058 # parsers
2059 h264_parser_select="h264_decoder"
2060 mpegvideo_parser_select="mpegvideo"
2061 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
2062 vc1_parser_select="mpegvideo startcode vc1_decoder"
2063
2064 # bitstream_filters
2065 mjpeg2jpeg_bsf_select="jpegtables"
2066
2067 # external libraries
2068 libdcadec_decoder_deps="libdcadec"
2069 libfaac_encoder_deps="libfaac"
2070 libfaac_encoder_select="audio_frame_queue"
2071 libfdk_aac_decoder_deps="libfdk_aac"
2072 libfdk_aac_encoder_deps="libfdk_aac"
2073 libfdk_aac_encoder_select="audio_frame_queue"
2074 libgsm_decoder_deps="libgsm"
2075 libgsm_encoder_deps="libgsm"
2076 libgsm_ms_decoder_deps="libgsm"
2077 libgsm_ms_encoder_deps="libgsm"
2078 libilbc_decoder_deps="libilbc"
2079 libilbc_encoder_deps="libilbc"
2080 libmp3lame_encoder_deps="libmp3lame"
2081 libmp3lame_encoder_select="audio_frame_queue"
2082 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2083 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2084 libopencore_amrnb_encoder_select="audio_frame_queue"
2085 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2086 libopenh264_encoder_deps="libopenh264"
2087 libopenjpeg_decoder_deps="libopenjpeg"
2088 libopenjpeg_encoder_deps="libopenjpeg"
2089 libopus_decoder_deps="libopus"
2090 libopus_encoder_deps="libopus"
2091 libopus_encoder_select="audio_frame_queue"
2092 libschroedinger_decoder_deps="libschroedinger"
2093 libschroedinger_encoder_deps="libschroedinger"
2094 libspeex_decoder_deps="libspeex"
2095 libspeex_encoder_deps="libspeex"
2096 libspeex_encoder_select="audio_frame_queue"
2097 libtheora_encoder_deps="libtheora"
2098 libtwolame_encoder_deps="libtwolame"
2099 libvo_aacenc_encoder_deps="libvo_aacenc"
2100 libvo_aacenc_encoder_select="audio_frame_queue"
2101 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2102 libvorbis_encoder_deps="libvorbis"
2103 libvorbis_encoder_select="audio_frame_queue"
2104 libvpx_vp8_decoder_deps="libvpx"
2105 libvpx_vp8_encoder_deps="libvpx"
2106 libvpx_vp9_decoder_deps="libvpx"
2107 libvpx_vp9_encoder_deps="libvpx"
2108 libwavpack_encoder_deps="libwavpack"
2109 libwebp_encoder_deps="libwebp"
2110 libx264_encoder_deps="libx264"
2111 libx265_encoder_deps="libx265"
2112 libxavs_encoder_deps="libxavs"
2113 libxvid_encoder_deps="libxvid"
2114
2115 # demuxers / muxers
2116 ac3_demuxer_select="ac3_parser"
2117 asf_demuxer_select="riffdec"
2118 asf_muxer_select="riffenc"
2119 asf_stream_muxer_select="asf_muxer"
2120 avi_demuxer_select="riffdec"
2121 avi_muxer_select="riffenc"
2122 avisynth_demuxer_deps="avisynth"
2123 avisynth_demuxer_select="riffdec"
2124 caf_demuxer_select="riffdec"
2125 dash_muxer_select="mp4_muxer"
2126 dirac_demuxer_select="dirac_parser"
2127 dv_demuxer_select="dvprofile"
2128 dv_muxer_select="dvprofile"
2129 dxa_demuxer_select="riffdec"
2130 eac3_demuxer_select="ac3_parser"
2131 f4v_muxer_select="mov_muxer"
2132 flac_demuxer_select="flac_parser"
2133 hds_muxer_select="flv_muxer"
2134 hls_muxer_select="mpegts_muxer"
2135 ipod_muxer_select="mov_muxer"
2136 ismv_muxer_select="mov_muxer"
2137 matroska_audio_muxer_select="matroska_muxer"
2138 matroska_demuxer_select="riffdec"
2139 matroska_demuxer_suggest="bzlib lzo zlib"
2140 matroska_muxer_select="riffenc"
2141 mmf_muxer_select="riffenc"
2142 mov_demuxer_select="riffdec"
2143 mov_demuxer_suggest="zlib"
2144 mov_muxer_select="riffenc rtpenc_chain"
2145 mp3_demuxer_select="mpegaudio_parser"
2146 mp4_muxer_select="mov_muxer"
2147 mpegts_muxer_select="adts_muxer latm_muxer"
2148 mpegtsraw_demuxer_select="mpegts_demuxer"
2149 mxf_d10_muxer_select="mxf_muxer"
2150 nut_muxer_select="riffenc"
2151 nuv_demuxer_select="riffdec"
2152 oga_muxer_select="ogg_muxer"
2153 ogg_demuxer_select="golomb"
2154 opus_muxer_select="ogg_muxer"
2155 psp_muxer_select="mov_muxer"
2156 rtp_demuxer_select="sdp_demuxer"
2157 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2158 rtsp_demuxer_select="http_protocol rtpdec"
2159 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2160 sap_demuxer_select="sdp_demuxer"
2161 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2162 sdp_demuxer_select="rtpdec"
2163 smoothstreaming_muxer_select="ismv_muxer"
2164 spdif_muxer_select="aac_parser"
2165 spx_muxer_select="ogg_muxer"
2166 tak_demuxer_select="tak_parser"
2167 tg2_muxer_select="mov_muxer"
2168 tgp_muxer_select="mov_muxer"
2169 w64_demuxer_select="wav_demuxer"
2170 wav_demuxer_select="riffdec"
2171 wav_muxer_select="riffenc"
2172 webm_muxer_select="riffenc"
2173 wtv_demuxer_select="riffdec"
2174 xmv_demuxer_select="riffdec"
2175 xwma_demuxer_select="riffdec"
2176
2177 # indevs / outdevs
2178 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2179 alsa_outdev_deps="alsa_asoundlib_h"
2180 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2181 dv1394_indev_deps="dv1394"
2182 dv1394_indev_select="dv_demuxer"
2183 fbdev_indev_deps="linux_fb_h"
2184 jack_indev_deps="jack_jack_h pthreads"
2185 libcdio_indev_deps="libcdio"
2186 libdc1394_indev_deps="libdc1394"
2187 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2188 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2189 pulse_indev_deps="libpulse"
2190 sndio_indev_deps="sndio_h"
2191 sndio_outdev_deps="sndio_h"
2192 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2193 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2194 vfwcap_indev_extralibs="-lavicap32"
2195 x11grab_indev_deps="x11grab"
2196 x11grab_xcb_indev_deps="libxcb"
2197
2198 # protocols
2199 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2200 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2201 ffrtmpcrypt_protocol_select="tcp_protocol"
2202 ffrtmphttp_protocol_deps="!librtmp_protocol"
2203 ffrtmphttp_protocol_select="http_protocol"
2204 gopher_protocol_select="network"
2205 http_protocol_select="tcp_protocol"
2206 httpproxy_protocol_select="tcp_protocol"
2207 https_protocol_select="tls_protocol"
2208 icecast_protocol_select="http_protocol"
2209 librtmp_protocol_deps="librtmp"
2210 librtmpe_protocol_deps="librtmp"
2211 librtmps_protocol_deps="librtmp"
2212 librtmpt_protocol_deps="librtmp"
2213 librtmpte_protocol_deps="librtmp"
2214 mmsh_protocol_select="http_protocol"
2215 mmst_protocol_select="network"
2216 rtmp_protocol_deps="!librtmp_protocol"
2217 rtmp_protocol_select="tcp_protocol"
2218 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2219 rtmps_protocol_deps="!librtmp_protocol"
2220 rtmps_protocol_select="tls_protocol"
2221 rtmpt_protocol_select="ffrtmphttp_protocol"
2222 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2223 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2224 rtp_protocol_select="udp_protocol"
2225 sctp_protocol_deps="struct_sctp_event_subscribe"
2226 sctp_protocol_select="network"
2227 srtp_protocol_select="rtp_protocol"
2228 tcp_protocol_select="network"
2229 tls_gnutls_protocol_deps="gnutls"
2230 tls_gnutls_protocol_select="tcp_protocol"
2231 tls_openssl_protocol_deps="openssl !tls_gnutls_protocol"
2232 tls_openssl_protocol_select="tcp_protocol"
2233 tls_protocol_deps_any="tls_gnutls_protocol tls_openssl_protocol"
2234 udp_protocol_select="network"
2235 unix_protocol_deps="sys_un_h"
2236 unix_protocol_select="network"
2237
2238 # filters
2239 blackframe_filter_deps="gpl"
2240 boxblur_filter_deps="gpl"
2241 bs2b_filter_deps="libbs2b"
2242 cropdetect_filter_deps="gpl"
2243 delogo_filter_deps="gpl"
2244 drawtext_filter_deps="libfreetype"
2245 frei0r_filter_deps="frei0r dlopen"
2246 frei0r_filter_extralibs='$ldl'
2247 frei0r_src_filter_deps="frei0r dlopen"
2248 frei0r_src_filter_extralibs='$ldl'
2249 hqdn3d_filter_deps="gpl"
2250 interlace_filter_deps="gpl"
2251 ocv_filter_deps="libopencv"
2252 resample_filter_deps="avresample"
2253 scale_filter_deps="swscale"
2254
2255 # examples
2256 avcodec_example_deps="avcodec avutil"
2257 filter_audio_example_deps="avfilter avutil"
2258 metadata_example_deps="avformat avutil"
2259 output_example_deps="avcodec avformat avutil swscale"
2260 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2261 transcode_aac_example_deps="avcodec avformat avresample"
2262
2263 # libraries, in linking order
2264 avcodec_deps="avutil"
2265 avdevice_deps="avformat avcodec avutil"
2266 avfilter_deps="avutil"
2267 avformat_deps="avcodec avutil"
2268 avresample_deps="avutil"
2269 swscale_deps="avutil"
2270
2271 # programs
2272 avconv_deps="avcodec avfilter avformat avresample swscale"
2273 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2274 fps_filter null_filter resample_filter scale_filter
2275 setpts_filter trim_filter"
2276 avplay_deps="avcodec avformat avresample swscale sdl"
2277 avplay_libs='$sdl_libs'
2278 avplay_select="rdft transpose_filter hflip_filter vflip_filter"
2279 avprobe_deps="avcodec avformat"
2280
2281 # documentation
2282 pod2man_deps="doc"
2283 texi2html_deps="doc"
2284
2285 # default parameters
2286
2287 logfile="config.log"
2288
2289 # installation paths
2290 prefix_default="/usr/local"
2291 bindir_default='${prefix}/bin'
2292 datadir_default='${prefix}/share/avconv'
2293 docdir_default='${prefix}/share/doc/libav'
2294 incdir_default='${prefix}/include'
2295 libdir_default='${prefix}/lib'
2296 mandir_default='${prefix}/share/man'
2297 shlibdir_default="$libdir_default"
2298
2299 # toolchain
2300 ar_default="ar"
2301 cc_default="gcc"
2302 host_cc_default="gcc"
2303 cp_f="cp -f"
2304 ln_s="ln -s -f"
2305 nm_default="nm -g"
2306 objformat="elf"
2307 pkg_config_default=pkg-config
2308 ranlib="ranlib"
2309 strip="strip"
2310 yasmexe="yasm"
2311
2312 # machine
2313 arch_default=$(uname -m)
2314 cpu="generic"
2315 intrinsics="none"
2316
2317 # OS
2318 target_os_default=$(tolower $(uname -s))
2319 host_os=$target_os_default
2320
2321 # configurable options
2322 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2323
2324 enable asm
2325 enable debug
2326 enable doc
2327 enable faan faandct faanidct
2328 enable optimizations
2329 enable safe_bitstream_reader
2330 enable static
2331 enable swscale_alpha
2332 enable valgrind_backtrace
2333
2334 # By default, enable only those hwaccels that have no external dependencies.
2335 enable d3d11va dxva2 vda vdpau
2336
2337 # build settings
2338 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2339 LIBPREF="lib"
2340 LIBSUF=".a"
2341 FULLNAME='$(NAME)$(BUILDSUF)'
2342 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2343 SLIBPREF="lib"
2344 SLIBSUF=".so"
2345 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2346 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2347 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2348 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2349 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2350 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2351
2352 asflags_filter=echo
2353 cflags_filter=echo
2354 ldflags_filter=echo
2355
2356 AS_C='-c'
2357 AS_O='-o $@'
2358 CC_C='-c'
2359 CC_E='-E -o $@'
2360 CC_O='-o $@'
2361 LD_O='-o $@'
2362 LD_LIB='-l%'
2363 LD_PATH='-L'
2364 HOSTCC_C='-c'
2365 HOSTCC_E='-E -o $@'
2366 HOSTCC_O='-o $@'
2367 HOSTLD_O='-o $@'
2368
2369 host_libs='-lm'
2370 host_cflags_filter=echo
2371 host_ldflags_filter=echo
2372
2373 target_path='$(CURDIR)'
2374
2375 # since the object filename is not given with the -MM flag, the compiler
2376 # is only able to print the basename, and we must add the path ourselves
2377 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2378 DEPFLAGS='-MM'
2379
2380 # find source path
2381 if test -f configure; then
2382 source_path=.
2383 else
2384 source_path=$(cd $(dirname "$0"); pwd)
2385 echo "$source_path" | grep -q '[[:blank:]]' &&
2386 die "Out of tree builds are impossible with whitespace in source path."
2387 test -e "$source_path/config.h" &&
2388 die "Out of tree builds are impossible with config.h in source dir."
2389 fi
2390
2391 for v in "$@"; do
2392 r=${v#*=}
2393 l=${v%"$r"}
2394 r=$(sh_quote "$r")
2395 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2396 done
2397
2398 find_things(){
2399 thing=$1
2400 pattern=$2
2401 file=$source_path/$3
2402 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2403 }
2404
2405 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2406 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2407 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2408 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2409 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2410 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2411 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2412 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2413 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2414 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2415 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2416
2417 ALL_COMPONENTS="
2418 $BSF_LIST
2419 $DECODER_LIST
2420 $DEMUXER_LIST
2421 $ENCODER_LIST
2422 $FILTER_LIST
2423 $HWACCEL_LIST
2424 $INDEV_LIST
2425 $MUXER_LIST
2426 $OUTDEV_LIST
2427 $PARSER_LIST
2428 $PROTOCOL_LIST
2429 "
2430
2431 for n in $COMPONENT_LIST; do
2432 v=$(toupper ${n%s})_LIST
2433 eval enable \$$v
2434 eval ${n}_if_any="\$$v"
2435 done
2436
2437 enable $ARCH_EXT_LIST
2438
2439 die_unknown(){
2440 echo "Unknown option \"$1\"."
2441 echo "See $0 --help for available options."
2442 exit 1
2443 }
2444
2445 print_3_columns() {
2446 cat | tr ' ' '\n' | sort | pr -r -3 -t
2447 }
2448
2449 show_list() {
2450 suffix=_$1
2451 shift
2452 echo $* | sed s/$suffix//g | print_3_columns
2453 exit 0
2454 }
2455
2456 rand_list(){
2457 IFS=', '
2458 set -- $*
2459 unset IFS
2460 for thing; do
2461 comp=${thing%:*}
2462 prob=${thing#$comp}
2463 prob=${prob#:}
2464 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2465 echo "prob ${prob:-0.5}"
2466 printf '%s\n' $comp
2467 done
2468 }
2469
2470 do_random(){
2471 action=$1
2472 shift
2473 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2474 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2475 }
2476
2477 for opt do
2478 optval="${opt#*=}"
2479 case "$opt" in
2480 --extra-ldflags=*)
2481 add_ldflags $optval
2482 ;;
2483 --extra-ldexeflags=*)
2484 add_ldexeflags $optval
2485 ;;
2486 --extra-libs=*)
2487 add_extralibs $optval
2488 ;;
2489 --disable-devices)
2490 disable $INDEV_LIST $OUTDEV_LIST
2491 ;;
2492 --enable-debug=*)
2493 debuglevel="$optval"
2494 ;;
2495 --disable-programs)
2496 disable $PROGRAM_LIST
2497 ;;
2498 --disable-everything)
2499 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2500 ;;
2501 --disable-all)
2502 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2503 disable $LIBRARY_LIST $PROGRAM_LIST doc
2504 ;;
2505 --enable-random|--disable-random)
2506 action=${opt%%-random}
2507 do_random ${action#--} $COMPONENT_LIST
2508 ;;
2509 --enable-random=*|--disable-random=*)
2510 action=${opt%%-random=*}
2511 do_random ${action#--} $optval
2512 ;;
2513 --enable-*=*|--disable-*=*)
2514 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2515 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2516 eval list=\$$(toupper $thing)_LIST
2517 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2518 $action $(filter "$name" $list)
2519 ;;
2520 --enable-avserver|--disable-avserver*)
2521 warn "avserver has been removed, the ${opt} option is only"\
2522 "provided for compatibility and will be removed in the future"
2523 ;;
2524 --enable-?*|--disable-?*)
2525 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2526 if is_in $option $COMPONENT_LIST; then
2527 test $action = disable && action=unset
2528 eval $action \$$(toupper ${option%s})_LIST
2529 elif is_in $option $CMDLINE_SELECT; then
2530 $action $option
2531 else
2532 die_unknown $opt
2533 fi
2534 ;;
2535 --list-*)
2536 NAME="${opt#--list-}"
2537 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2538 NAME=${NAME%s}
2539 eval show_list $NAME \$$(toupper $NAME)_LIST
2540 ;;
2541 --help|-h) show_help
2542 ;;
2543 *)
2544 optname="${opt%%=*}"
2545 optname="${optname#--}"
2546 optname=$(echo "$optname" | sed 's/-/_/g')
2547 if is_in $optname $CMDLINE_SET; then
2548 eval $optname='$optval'
2549 elif is_in $optname $CMDLINE_APPEND; then
2550 append $optname "$optval"
2551 else
2552 die_unknown $opt
2553 fi
2554 ;;
2555 esac
2556 done
2557
2558 for e in $env; do
2559 eval "export $e"
2560 done
2561
2562 disabled logging && logfile=/dev/null
2563
2564 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2565 set >> $logfile
2566
2567 case "$toolchain" in
2568 clang-asan)
2569 cc_default="clang"
2570 add_cflags -fsanitize=address
2571 add_ldflags -fsanitize=address
2572 ;;
2573 clang-tsan)
2574 cc_default="clang"
2575 add_cflags -fsanitize=thread -pie
2576 add_ldflags -fsanitize=thread -pie
2577 ;;
2578 clang-usan)
2579 cc_default="clang"
2580 add_cflags -fsanitize=undefined -O1
2581 add_ldflags -fsanitize=undefined
2582 ;;
2583 gcc-asan)
2584 cc_default="gcc"
2585 add_cflags -fsanitize=address
2586 add_ldflags -fsanitize=address
2587 ;;
2588 gcc-tsan)
2589 cc_default="gcc"
2590 add_cflags -fsanitize=thread -pie -fPIC
2591 add_ldflags -fsanitize=thread -pie -fPIC
2592 ;;
2593 gcc-usan)
2594 cc_default="gcc"
2595 add_cflags -fsanitize=undefined
2596 add_ldflags -fsanitize=undefined
2597 ;;
2598 valgrind-massif)
2599 target_exec_default="valgrind"
2600 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2601 ;;
2602 valgrind-memcheck)
2603 target_exec_default="valgrind"
2604 target_exec_args="--track-origins=yes --leak-check=full"
2605 ;;
2606 msvc)
2607 # Check whether the current MSVC version needs the C99 converter.
2608 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2609 # support enough of C99 to build libav. Default to the new
2610 # behaviour if the regexp was unable to match anything, since this
2611 # successfully parses the version number of existing supported
2612 # versions that require the converter (MSVC 2010 and 2012).
2613 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2614 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2615 cc_default="cl"
2616 else
2617 cc_default="c99wrap cl"
2618 fi
2619 ld_default="link"
2620 nm_default="dumpbin -symbols"
2621 ar_default="lib"
2622 target_os_default="win32"
2623 # Use a relative path for TMPDIR. This makes sure all the
2624 # ffconf temp files are written with a relative path, avoiding
2625 # issues with msys/win32 path conversion for MSVC parameters
2626 # such as -Fo<file> or -out:<file>.
2627 TMPDIR=.
2628 ;;
2629 icl)
2630 cc_default="icl"
2631 ld_default="xilink"
2632 nm_default="dumpbin -symbols"
2633 ar_default="xilib"
2634 target_os_default="win32"
2635 TMPDIR=.
2636 ;;
2637 gcov)
2638 add_cflags -fprofile-arcs -ftest-coverage
2639 add_ldflags -fprofile-arcs -ftest-coverage
2640 ;;
2641 hardened)
2642 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
2643 add_cflags -fno-strict-overflow -fstack-protector-all
2644 add_ldflags -Wl,-z,relro -Wl,-z,now
2645 ;;
2646 ?*)
2647 die "Unknown toolchain $toolchain"
2648 ;;
2649 esac
2650
2651 test -n "$cross_prefix" && enable cross_compile
2652
2653 if enabled cross_compile; then
2654 test -n "$arch" && test -n "$target_os" ||
2655 die "Must specify target arch and OS when cross-compiling"
2656 fi
2657
2658 ar_default="${cross_prefix}${ar_default}"
2659 cc_default="${cross_prefix}${cc_default}"
2660 nm_default="${cross_prefix}${nm_default}"
2661 pkg_config_default="${cross_prefix}${pkg_config_default}"
2662 ranlib="${cross_prefix}${ranlib}"
2663 strip="${cross_prefix}${strip}"
2664
2665 sysinclude_default="${sysroot}/usr/include"
2666
2667 set_default arch cc pkg_config sysinclude target_exec target_os
2668 enabled cross_compile || host_cc_default=$cc
2669 set_default host_cc
2670
2671 if ! $pkg_config --version >/dev/null 2>&1; then
2672 warn "$pkg_config not found, library detection may fail."
2673 pkg_config=false
2674 fi
2675
2676 exesuf() {
2677 case $1 in
2678 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2679 esac
2680 }
2681
2682 EXESUF=$(exesuf $target_os)
2683 HOSTEXESUF=$(exesuf $host_os)
2684
2685 # set temporary file name
2686 : ${TMPDIR:=$TEMPDIR}
2687 : ${TMPDIR:=$TMP}
2688 : ${TMPDIR:=/tmp}
2689
2690 if ! check_cmd mktemp -u XXXXXX; then
2691 # simple replacement for missing mktemp
2692 # NOT SAFE FOR GENERAL USE
2693 mktemp(){
2694 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2695 }
2696 fi
2697
2698 tmpfile(){
2699 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2700 (set -C; exec > $tmp) 2>/dev/null ||
2701 die "Unable to create temporary file in $TMPDIR."
2702 append TMPFILES $tmp
2703 eval $1=$tmp
2704 }
2705
2706 trap 'rm -f -- $TMPFILES' EXIT
2707
2708 tmpfile TMPASM .asm
2709 tmpfile TMPC .c
2710 tmpfile TMPE $EXESUF
2711 tmpfile TMPH .h
2712 tmpfile TMPO .o
2713 tmpfile TMPS .S
2714 tmpfile TMPSH .sh
2715 tmpfile TMPV .ver
2716
2717 unset -f mktemp
2718
2719 chmod +x $TMPE
2720
2721 # make sure we can execute files in $TMPDIR
2722 cat > $TMPSH 2>> $logfile <<EOF
2723 #! /bin/sh
2724 EOF
2725 chmod +x $TMPSH >> $logfile 2>&1
2726 if ! $TMPSH >> $logfile 2>&1; then
2727 cat <<EOF
2728 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2729 variable to another directory and make sure that it is not mounted noexec.
2730 EOF
2731 die "Sanity test failed."
2732 fi
2733
2734 armasm_flags(){
2735 for flag; do
2736 case $flag in
2737 # Filter out MSVC cl.exe options from cflags that shouldn't
2738 # be passed to gas-preprocessor
2739 -M[TD]*) ;;
2740 *) echo $flag ;;
2741 esac
2742 done
2743 }
2744
2745 ccc_flags(){
2746 for flag; do
2747 case $flag in
2748 -std=c99) echo -c99 ;;
2749 -mcpu=*) echo -arch ${flag#*=} ;;
2750 -mieee) echo -ieee ;;
2751 -O*|-fast) echo $flag ;;
2752 -fno-math-errno) echo -assume nomath_errno ;;
2753 -g) echo -g3 ;;
2754 -Wall) echo -msg_enable level2 ;;
2755 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2756 -Wl,*) echo $flag ;;
2757 -f*|-W*) ;;
2758 *) echo $flag ;;
2759 esac
2760 done
2761 }
2762
2763 cparser_flags(){
2764 for flag; do
2765 case $flag in
2766 -Wno-switch) echo -Wno-switch-enum ;;
2767 -Wno-format-zero-length) ;;
2768 -Wdisabled-optimization) ;;
2769 -Wno-pointer-sign) echo -Wno-other ;;
2770 *) echo $flag ;;
2771 esac
2772 done
2773 }
2774
2775 msvc_common_flags(){
2776 for flag; do
2777 case $flag in
2778 # In addition to specifying certain flags under the compiler
2779 # specific filters, they must be specified here as well or else the
2780 # generic catch all at the bottom will print the original flag.
2781 -Wall) ;;
2782 -std=c99) ;;
2783 # Common flags
2784 -fomit-frame-pointer) ;;
2785 -g) echo -Z7 ;;
2786 -fno-math-errno) ;;
2787 -fno-common) ;;
2788 -fno-signed-zeros) ;;
2789 -fPIC) ;;
2790 -mthumb) ;;
2791 -march=*) ;;
2792 -lz) echo zlib.lib ;;
2793 -lavifil32) echo vfw32.lib ;;
2794 -lavicap32) echo vfw32.lib user32.lib ;;
2795 -l*) echo ${flag#-l}.lib ;;
2796 -L*) echo -libpath:${flag#-L} ;;
2797 *) echo $flag ;;
2798 esac
2799 done
2800 }
2801
2802 msvc_flags(){
2803 msvc_common_flags "$@"
2804 for flag; do
2805 case $flag in
2806 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2807 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2808 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2809 -wd4273 -wd4554 -wd4701 ;;
2810 esac
2811 done
2812 }
2813
2814 icl_flags(){
2815 msvc_common_flags "$@"
2816 for flag; do
2817 case $flag in
2818 # Despite what Intel's documentation says -Wall, which is supported
2819 # on Windows, does enable remarks so disable them here.
2820 -Wall) echo $flag -Qdiag-disable:remark ;;
2821 -std=c99) echo -Qstd=c99 ;;
2822 esac
2823 done
2824 }
2825
2826 pgi_flags(){
2827 for flag; do
2828 case $flag in
2829 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2830 -fomit-frame-pointer) echo -Mnoframe ;;
2831 -g) echo -gopt ;;
2832 *) echo $flag ;;
2833 esac
2834 done
2835 }
2836
2837 suncc_flags(){
2838 for flag; do
2839 case $flag in
2840 -march=*|-mcpu=*)
2841 case "${flag#*=}" in
2842 native) echo -xtarget=native ;;
2843 v9|niagara) echo -xarch=sparc ;;
2844 ultrasparc) echo -xarch=sparcvis ;;
2845 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2846 i586|pentium) echo -xchip=pentium ;;
2847 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2848 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2849 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2850 pentium4*) echo -xtarget=pentium4 ;;
2851 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2852 *-sse3) echo -xarch=sse3 ;;
2853 core2) echo -xarch=ssse3 -xchip=core2 ;;
2854 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2855 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2856 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
2857 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2858 k8|opteron|athlon64|athlon-fx)
2859 echo -xarch=sse2a ;;
2860 athlon*) echo -xarch=pentium_proa ;;
2861 esac
2862 ;;
2863 -std=c99) echo -xc99 ;;
2864 -fomit-frame-pointer) echo -xregs=frameptr ;;
2865 -fPIC) echo -KPIC -xcode=pic32 ;;
2866 -W*,*) echo $flag ;;
2867 -f*-*|-W*|-mimpure-text) ;;
2868 -shared) echo -G ;;
2869 *) echo $flag ;;
2870 esac
2871 done
2872 }
2873
2874 tms470_flags(){
2875 for flag; do
2876 case $flag in
2877 -march=*|-mcpu=*)
2878 case "${flag#*=}" in
2879 armv7-a|cortex-a*) echo -mv=7a8 ;;
2880 armv7-r|cortex-r*) echo -mv=7r4 ;;
2881 armv7-m|cortex-m*) echo -mv=7m3 ;;
2882 armv6*|arm11*) echo -mv=6 ;;
2883 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2884 echo -mv=5e ;;
2885 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2886 esac
2887 ;;
2888 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2889 -mfpu=vfp) echo --float_support=vfpv2 ;;
2890 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2891 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
2892 -msoft-float) echo --float_support=vfplib ;;
2893 -O[0-3]|-mf=*) echo $flag ;;
2894 -g) echo -g -mn ;;
2895 -pds=*) echo $flag ;;
2896 -D*|-I*) echo $flag ;;
2897 --gcc|--abi=*) echo $flag ;;
2898 -me) echo $flag ;;
2899 esac
2900 done
2901 }
2902
2903 probe_cc(){
2904 pfx=$1
2905 _cc=$2
2906
2907 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2908 unset _ld_o _ldflags _ld_lib _ld_path
2909 unset _depflags _DEPCMD _DEPFLAGS
2910 _flags_filter=echo
2911
2912 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2913 _type=llvm_gcc
2914 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2915 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2916 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2917 _cflags_speed='-O3'
2918 _cflags_size='-Os'
2919 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2920 _type=gcc
2921 gcc_version=$($_cc --version | head -n1)
2922 gcc_basever=$($_cc -dumpversion)
2923 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2924 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2925 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2926 if ! $_cc -dumpversion | grep -q '^2\.'; then
2927 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2928 fi
2929 _cflags_speed='-O3'
2930 _cflags_size='-Os'
2931 elif $_cc --version 2>/dev/null | grep -q ^icc; then
2932 _type=icc
2933 _ident=$($_cc --version | head -n1)
2934 _depflags='-MMD'
2935 _cflags_speed='-O3'
2936 _cflags_size='-Os'
2937 _cflags_noopt='-O1'
2938 elif $_cc -v 2>&1 | grep -q xlc; then
2939 _type=xlc
2940 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2941 _cflags_speed='-O5'
2942 _cflags_size='-O5 -qcompact'
2943 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2944 _type=ccc
2945 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2946 _DEPFLAGS='-M'
2947 _cflags_speed='-fast'
2948 _cflags_size='-O1'
2949 _flags_filter=ccc_flags
2950 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
2951 test -d "$sysroot" || die "No valid sysroot specified."
2952 _type=armcc
2953 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
2954 armcc_conf="$PWD/armcc.conf"
2955 $_cc --arm_linux_configure \
2956 --arm_linux_config_file="$armcc_conf" \
2957 --configure_sysroot="$sysroot" \
2958 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2959 die "Error creating armcc configuration file."
2960 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2961 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2962 as_default="${cross_prefix}gcc"
2963 _depflags='-MMD'
2964 _cflags_speed='-O3'
2965 _cflags_size='-Os'
2966 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2967 _type=tms470
2968 _ident=$($_cc -version | head -n1 | tr -s ' ')
2969 _flags='--gcc --abi=eabi -me'
2970 _cc_e='-ppl -fe=$@'
2971 _cc_o='-fe=$@'
2972 _depflags='-ppa -ppd=$(@:.o=.d)'
2973 _cflags_speed='-O3 -mf=5'
2974 _cflags_size='-O3 -mf=2'
2975 _flags_filter=tms470_flags
2976 elif $_cc -v 2>&1 | grep -q clang; then
2977 _type=clang
2978 _ident=$($_cc --version | head -n1)
2979 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2980 _cflags_speed='-O3'
2981 _cflags_size='-Os'
2982 elif $_cc -V 2>&1 | grep -q Sun; then
2983 _type=suncc
2984 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2985 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2986 _DEPFLAGS='-xM1 -xc99'
2987 _ldflags='-std=c99'
2988 _cflags_speed='-O5'
2989 _cflags_size='-O5 -xspace'
2990 _flags_filter=suncc_flags
2991 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2992 _type=pathscale
2993 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2994 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2995 _cflags_speed='-O2'
2996 _cflags_size='-Os'
2997 _flags_filter='filter_out -Wdisabled-optimization'
2998 elif $_cc -v 2>&1 | grep -q Open64; then
2999 _type=open64
3000 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3001 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3002 _cflags_speed='-O2'
3003 _cflags_size='-Os'
3004 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3005 elif $_cc -V 2>&1 | grep -q Portland; then
3006 _type=pgi
3007 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3008 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3009 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3010 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3011 _cflags_noopt="-O1"
3012 _flags_filter=pgi_flags
3013 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3014 _type=armasm
3015 _ident=$($_cc | head -n1)
3016 # 4509: "This form of conditional instruction is deprecated"
3017 _flags="-nologo -ignore 4509"
3018 _flags_filter=armasm_flags
3019 elif $_cc 2>&1 | grep -q Microsoft; then
3020 _type=msvc
3021 _ident=$($_cc 2>&1 | head -n1)
3022 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3023 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3024 _cflags_speed="-O2"
3025 _cflags_size="-O1"
3026 if $_cc 2>&1 | grep -q Linker; then
3027 _ld_o='-out:$@'
3028 else
3029 _ld_o='-Fe$@'
3030 fi
3031 _cc_o='-Fo$@'
3032 _cc_e='-P -Fi$@'
3033 _flags_filter=msvc_flags
3034 _ld_lib='lib%.a'
3035 _ld_path='-libpath:'
3036 _flags='-nologo'
3037 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3038 elif $_cc 2>&1 | grep -q Intel; then
3039 _type=icl
3040 _ident=$($_cc 2>&1 | head -n1)
3041 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3042 # Not only is O3 broken on 13.x+ but it is slower on all previous
3043 # versions (tested) as well.
3044 _cflags_speed="-O2"
3045 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3046 if $_cc 2>&1 | grep -q Linker; then
3047 _ld_o='-out:$@'
3048 else
3049 _ld_o='-Fe$@'
3050 fi
3051 _cc_o='-Fo$@'
3052 _cc_e='-P'
3053 _flags_filter=icl_flags
3054 _ld_lib='lib%.a'
3055 _ld_path='-libpath:'
3056 # -Qdiag-error to make icl error when seeing certain unknown arguments
3057 _flags='-nologo -Qdiag-error:4044,10157'
3058 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3059 # with MSVC which enables it by default.
3060 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
3061 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3062 _type=cparser
3063 _ident=$($_cc --version | head -n1)
3064 _depflags='-MMD'
3065 _cflags_speed='-O4'
3066 _cflags_size='-O2'
3067 _flags_filter=cparser_flags
3068 fi
3069
3070 eval ${pfx}_type=\$_type
3071 eval ${pfx}_ident=\$_ident
3072 }
3073
3074 set_ccvars(){
3075 eval ${1}_C=\${_cc_c-\${${1}_C}}
3076 eval ${1}_E=\${_cc_e-\${${1}_E}}
3077 eval ${1}_O=\${_cc_o-\${${1}_O}}
3078
3079 if [ -n "$_depflags" ]; then
3080 eval ${1}_DEPFLAGS=\$_depflags
3081 else
3082 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3083 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3084 eval DEP${1}FLAGS=\$_flags
3085 fi
3086 }
3087
3088 probe_cc cc "$cc"
3089 cflags_filter=$_flags_filter
3090 cflags_speed=$_cflags_speed
3091 cflags_size=$_cflags_size
3092 cflags_noopt=$_cflags_noopt
3093 add_cflags $_flags $_cflags
3094 cc_ldflags=$_ldflags
3095 set_ccvars CC
3096
3097 probe_cc hostcc "$host_cc"
3098 host_cflags_filter=$_flags_filter
3099 add_host_cflags $_flags $_cflags
3100 set_ccvars HOSTCC
3101
3102 test -n "$cc_type" && enable $cc_type ||
3103 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3104
3105 : ${as_default:=$cc}
3106 : ${dep_cc_default:=$cc}
3107 : ${ld_default:=$cc}
3108 : ${host_ld_default:=$host_cc}
3109 set_default ar as dep_cc ld host_ld
3110
3111 probe_cc as "$as"
3112 asflags_filter=$_flags_filter
3113 add_asflags $_flags $_cflags
3114 set_ccvars AS
3115
3116 probe_cc ld "$ld"
3117 ldflags_filter=$_flags_filter
3118 add_ldflags $_flags $_ldflags
3119 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3120 LD_O=${_ld_o-$LD_O}
3121 LD_LIB=${_ld_lib-$LD_LIB}
3122 LD_PATH=${_ld_path-$LD_PATH}
3123
3124 probe_cc hostld "$host_ld"
3125 host_ldflags_filter=$_flags_filter
3126 add_host_ldflags $_flags $_ldflags
3127 HOSTLD_O=${_ld_o-$HOSTLD_O}
3128
3129 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3130 probe_cc depcc "$dep_cc"
3131 CCDEP=${_DEPCMD:-$DEPCMD}
3132 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3133 DEPCCFLAGS=$_flags
3134 fi
3135
3136 if $ar 2>&1 | grep -q Microsoft; then
3137 arflags="-nologo"
3138 ar_o='-out:$@'
3139 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3140 arflags="rq"
3141 ar_o='$@'
3142 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3143 arflags='-Xany -r -c'
3144 ar_o='$@'
3145 else
3146 arflags="rc"
3147 ar_o='$@'
3148 fi
3149
3150 add_cflags $extra_cflags
3151 add_asflags $extra_cflags
3152
3153 if test -n "$sysroot"; then
3154 case "$cc_type" in
3155 gcc|llvm_gcc|clang)
3156 add_cppflags --sysroot="$sysroot"
3157 add_ldflags --sysroot="$sysroot"
3158 ;;
3159 tms470)
3160 add_cppflags -I"$sysinclude"
3161 add_ldflags --sysroot="$sysroot"
3162 ;;
3163 esac
3164 fi
3165
3166 if test "$cpu" = host; then
3167 enabled cross_compile &&
3168 die "--cpu=host makes no sense when cross-compiling."
3169
3170 case "$cc_type" in
3171 gcc|llvm_gcc)
3172 check_native(){
3173 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3174 sed -n "/cc1.*$1=/{
3175 s/.*$1=\\([^ ]*\\).*/\\1/
3176 p
3177 q
3178 }" $TMPE
3179 }
3180 cpu=$(check_native -march || check_native -mcpu)
3181 ;;
3182 esac
3183
3184 test "${cpu:-host}" = host &&
3185 die "--cpu=host not supported with compiler $cc"
3186 fi
3187
3188 # Deal with common $arch aliases
3189 case "$arch" in
3190 aarch64|arm64)
3191 arch="aarch64"
3192 ;;
3193 arm*)
3194 arch="arm"
3195 ;;
3196 mips*|IP*)
3197 arch="mips"
3198 ;;
3199 parisc*|hppa*)
3200 arch="parisc"
3201 ;;
3202 "Power Macintosh"|ppc*|powerpc*)
3203 arch="ppc"
3204 ;;
3205 s390|s390x)
3206 arch="s390"
3207 ;;
3208 sh4|sh)
3209 arch="sh4"
3210 ;;
3211 sun4u|sparc*)
3212 arch="sparc"
3213 ;;
3214 tilegx|tile-gx)
3215 arch="tilegx"
3216 ;;
3217 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3218 arch="x86"
3219 ;;
3220 esac
3221
3222 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3223 enable $arch
3224
3225 # Add processor-specific flags
3226 if enabled aarch64; then
3227
3228 case $cpu in
3229 armv*)
3230 cpuflags="-march=$cpu"
3231 ;;
3232 *)
3233 cpuflags="-mcpu=$cpu"
3234 ;;
3235 esac
3236
3237 elif enabled alpha; then
3238
3239 cpuflags="-mcpu=$cpu"
3240
3241 elif enabled arm; then
3242
3243 check_arm_arch() {
3244 check_cpp_condition stddef.h \
3245 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3246 $cpuflags
3247 }
3248
3249 probe_arm_arch() {
3250 if check_arm_arch 4; then echo armv4;
3251 elif check_arm_arch 4T; then echo armv4t;
3252 elif check_arm_arch 5; then echo armv5;
3253 elif check_arm_arch 5E; then echo armv5e;
3254 elif check_arm_arch 5T; then echo armv5t;
3255 elif check_arm_arch 5TE; then echo armv5te;
3256 elif check_arm_arch 5TEJ; then echo armv5te;
3257 elif check_arm_arch 6; then echo armv6;
3258 elif check_arm_arch 6J; then echo armv6j;
3259 elif check_arm_arch 6K; then echo armv6k;
3260 elif check_arm_arch 6Z; then echo armv6z;
3261 elif check_arm_arch 6ZK; then echo armv6zk;
3262 elif check_arm_arch 6T2; then echo armv6t2;
3263 elif check_arm_arch 7; then echo armv7;
3264 elif check_arm_arch 7A 7_A; then echo armv7-a;
3265 elif check_arm_arch 7S; then echo armv7-a;
3266 elif check_arm_arch 7R 7_R; then echo armv7-r;
3267 elif check_arm_arch 7M 7_M; then echo armv7-m;
3268 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3269 elif check_arm_arch 8A 8_A; then echo armv8-a;
3270 fi
3271 }
3272
3273 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3274
3275 case $cpu in
3276 armv*)
3277 cpuflags="-march=$cpu"
3278 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3279 ;;
3280 *)
3281 cpuflags="-mcpu=$cpu"
3282 case $cpu in
3283 cortex-a*) subarch=armv7a ;;
3284 cortex-r*) subarch=armv7r ;;
3285 cortex-m*) enable thumb; subarch=armv7m ;;
3286 arm11*) subarch=armv6 ;;
3287 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3288 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3289 *) subarch=$(probe_arm_arch) ;;
3290 esac
3291 ;;
3292 esac
3293
3294 case "$subarch" in
3295 armv5t*) enable fast_clz ;;
3296 armv[6-8]*) enable fast_clz fast_unaligned ;;
3297 esac
3298
3299 elif enabled avr32; then
3300
3301 case $cpu in
3302 ap7[02]0[0-2])
3303 subarch="avr32_ap"
3304 cpuflags="-mpart=$cpu"
3305 ;;
3306 ap)
3307 subarch="avr32_ap"
3308 cpuflags="-march=$cpu"
3309 ;;
3310 uc3[ab]*)
3311 subarch="avr32_uc"
3312 cpuflags="-mcpu=$cpu"
3313 ;;
3314 uc)
3315 subarch="avr32_uc"
3316 cpuflags="-march=$cpu"
3317 ;;
3318 esac
3319
3320 elif enabled bfin; then
3321
3322 cpuflags="-mcpu=$cpu"
3323
3324 elif enabled mips; then
3325
3326 cpuflags="-march=$cpu"
3327
3328 elif enabled ppc; then
3329
3330 disable ldbrx
3331
3332 case $(tolower $cpu) in
3333 601|ppc601|powerpc601)
3334 cpuflags="-mcpu=601"
3335 disable altivec
3336 ;;
3337 603*|ppc603*|powerpc603*)
3338 cpuflags="-mcpu=603"
3339 disable altivec
3340 ;;
3341 604*|ppc604*|powerpc604*)
3342 cpuflags="-mcpu=604"
3343 disable altivec
3344 ;;
3345 g3|75*|ppc75*|powerpc75*)
3346 cpuflags="-mcpu=750"
3347 disable altivec
3348 ;;
3349 g4|745*|ppc745*|powerpc745*)
3350 cpuflags="-mcpu=7450"
3351 disable vsx
3352 ;;
3353 74*|ppc74*|powerpc74*)
3354 cpuflags="-mcpu=7400"
3355 disable vsx
3356 ;;
3357 g5|970|ppc970|powerpc970)
3358 cpuflags="-mcpu=970"
3359 disable vsx
3360 ;;
3361 power[3-6]*)
3362 cpuflags="-mcpu=$cpu"
3363 disable vsx
3364 ;;
3365 power[7-8]*)
3366 cpuflags="-mcpu=$cpu"
3367 enable ldbrx
3368 ;;
3369 cell)
3370 cpuflags="-mcpu=cell"
3371 enable ldbrx
3372 disable vsx
3373 ;;
3374 e500mc)
3375 cpuflags="-mcpu=e500mc"
3376 disable altivec
3377 ;;
3378 e500v2)
3379 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3380 disable altivec
3381 disable dcbzl
3382 ;;
3383 e500)
3384 cpuflags="-mcpu=8540 -mhard-float"
3385 disable altivec
3386 disable dcbzl
3387 ;;
3388 esac
3389
3390 elif enabled sparc; then
3391
3392 case $cpu in
3393 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3394 cpuflags="-mcpu=$cpu"
3395 ;;
3396 ultrasparc*|niagara[234])
3397 cpuflags="-mcpu=$cpu"
3398 ;;
3399 esac
3400
3401 elif enabled x86; then
3402
3403 case $cpu in
3404 i[345]86|pentium)
3405 cpuflags="-march=$cpu"
3406 disable i686
3407 disable mmx
3408 ;;
3409 # targets that do NOT support nopl and conditional mov (cmov)
3410 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3411 cpuflags="-march=$cpu"
3412 disable i686
3413 ;;
3414 # targets that do support nopl and conditional mov (cmov)
3415 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3416 cpuflags="-march=$cpu"
3417 enable i686
3418 enable fast_cmov
3419 ;;
3420 # targets that do support conditional mov but on which it's slow
3421 pentium4|pentium4m|prescott|nocona)
3422 cpuflags="-march=$cpu"
3423 enable i686
3424 disable fast_cmov
3425 ;;
3426 esac
3427
3428 fi
3429
3430 if [ "$cpu" != generic ]; then
3431 add_cflags $cpuflags
3432 add_asflags $cpuflags
3433 fi
3434
3435 # compiler sanity check
3436 check_exec <<EOF
3437 int main(void){ return 0; }
3438 EOF
3439 if test "$?" != 0; then
3440 echo "$cc is unable to create an executable file."
3441 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3442 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3443 echo "Only do this if you know what cross compiling means."
3444 fi
3445 die "C compiler test failed."
3446 fi
3447
3448 add_cppflags -D_ISOC99_SOURCE
3449 check_cflags -std=c99
3450 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3451 #include <stdlib.h>
3452 EOF
3453 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3454 #include <stdlib.h>
3455 EOF
3456
3457 add_host_cppflags -D_ISOC99_SOURCE
3458 check_host_cflags -std=c99
3459 check_host_cflags -Wall
3460 check_host_cflags -O3
3461
3462 check_64bit(){
3463 arch32=$1
3464 arch64=$2
3465 expr=$3
3466 check_code cc "" "int test[2*($expr) - 1]" &&
3467 subarch=$arch64 || subarch=$arch32
3468 }
3469
3470 case "$arch" in
3471 aarch64|alpha|ia64)
3472 spic=$shared
3473 ;;
3474 mips)
3475 check_64bit mips mips64 '_MIPS_SIM > 1'
3476 spic=$shared
3477 ;;
3478 parisc)
3479 check_64bit parisc parisc64 'sizeof(void *) > 4'
3480 spic=$shared
3481 ;;
3482 ppc)
3483 check_64bit ppc ppc64 'sizeof(void *) > 4'
3484 spic=$shared
3485 ;;
3486 s390)
3487 check_64bit s390 s390x 'sizeof(void *) > 4'
3488 spic=$shared
3489 ;;
3490 sparc)
3491 check_64bit sparc sparc64 'sizeof(void *) > 4'
3492 spic=$shared
3493 ;;
3494 x86)
3495 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3496 if test "$subarch" = "x86_64"; then
3497 spic=$shared
3498 fi
3499 ;;
3500 esac
3501
3502 enable $subarch
3503 enabled spic && enable_weak pic
3504
3505 # OS specific
3506 case $target_os in
3507 aix)
3508 SHFLAGS=-shared
3509 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3510 enabled shared && add_ldflags -Wl,-brtl
3511 ;;
3512 android)
3513 disable symver
3514 enable section_data_rel_ro
3515 SLIB_INSTALL_NAME='$(SLIBNAME)'
3516 SLIB_INSTALL_LINKS=
3517 # soname not set on purpose
3518 SHFLAGS=-shared
3519 ;;
3520 haiku)
3521 prefix_default="/boot/common"
3522 network_extralibs="-lnetwork"
3523 host_libs=
3524 ;;
3525 sunos)
3526 SHFLAGS='-shared -Wl,-h,$$(@F)'
3527 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3528 network_extralibs="-lsocket -lnsl"
3529 # When using suncc to build, the Solaris linker will mark
3530 # an executable with each instruction set encountered by
3531 # the Solaris assembler. As our libraries contain their own
3532 # guards for processor-specific code, instead suppress
3533 # generation of the HWCAPS ELF section on Solaris x86 only.
3534 enabled_all suncc x86 &&
3535 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3536 add_ldflags -Wl,-M,mapfile
3537 nm_default='nm -P -g'
3538 ;;
3539 netbsd)
3540 disable symver
3541 oss_indev_extralibs="-lossaudio"
3542 oss_outdev_extralibs="-lossaudio"
3543 ;;
3544 openbsd|bitrig)
3545 disable symver
3546 SHFLAGS='-shared'
3547 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3548 SLIB_INSTALL_LINKS=
3549 oss_indev_extralibs="-lossaudio"
3550 oss_outdev_extralibs="-lossaudio"
3551 ;;
3552 dragonfly)
3553 disable symver
3554 ;;
3555 freebsd)
3556 ;;
3557 bsd/os)
3558 add_extralibs -lpoll -lgnugetopt
3559 ;;
3560 darwin)
3561 enabled ppc && add_asflags -force_cpusubtype_ALL
3562 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3563 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3564 add_ldflags -Wl,-dynamic,-search_paths_first
3565 SLIBSUF=".dylib"
3566 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3567 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3568 objformat="macho"
3569 enabled x86_64 && objformat="macho64"
3570 enabled_any pic shared ||
3571 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3572 ;;
3573 mingw32*)
3574 if test $target_os = "mingw32ce"; then
3575 disable network
3576 else
3577 target_os=mingw32
3578 fi
3579 LIBTARGET=i386
3580 if enabled x86_64; then
3581 LIBTARGET="i386:x86-64"
3582 elif enabled arm; then
3583 LIBTARGET=arm-wince
3584 fi
3585 check_ldflags -Wl,--nxcompat
3586 check_ldflags -Wl,--dynamicbase
3587 shlibdir_default="$bindir_default"
3588 SLIBPREF=""
3589 SLIBSUF=".dll"
3590 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3591 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3592 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3593 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3594 SLIB_INSTALL_LINKS=
3595 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3596 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3597 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3598 objformat="win32"
3599 dlltool="${cross_prefix}dlltool"
3600 ranlib=:
3601 enable dos_paths
3602 ;;
3603 win32|win64)
3604 disable symver
3605 if enabled shared; then
3606 # Link to the import library instead of the normal static library
3607 # for shared libs.
3608 LD_LIB='%.lib'
3609 # Cannot build both shared and static libs with MSVC or icl.
3610 disable static
3611 fi
3612 shlibdir_default="$bindir_default"
3613 SLIBPREF=""
3614 SLIBSUF=".dll"
3615 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3616 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3617 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3618 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3619 SLIB_INSTALL_LINKS=
3620 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3621 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3622 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3623 objformat="win32"
3624 ranlib=:
3625 enable dos_paths
3626 ;;
3627 cygwin*)
3628 target_os=cygwin
3629 shlibdir_default="$bindir_default"
3630 SLIBPREF="cyg"
3631 SLIBSUF=".dll"
3632 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3633 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3634 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3635 SLIB_INSTALL_LINKS=
3636 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3637 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3638 objformat="win32"
3639 enable dos_paths
3640 ;;
3641 *-dos|freedos|opendos)
3642 network_extralibs="-lsocket"
3643 objformat="coff"
3644 enable dos_paths
3645 add_cppflags -U__STRICT_ANSI__
3646 ;;
3647 linux)
3648 enable dv1394
3649 enable section_data_rel_ro
3650 ;;
3651 irix*)
3652 target_os=irix
3653 ranlib="echo ignoring ranlib"
3654 ;;
3655 os/2*)
3656 ln_s="cp -f"
3657 objformat="aout"
3658 add_cppflags -D_GNU_SOURCE
3659 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3660 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3661 LIBSUF="_s.a"
3662 SLIBPREF=""
3663 SLIBSUF=".dll"
3664 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3665 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3666 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3667 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3668 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3669 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3670 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3671 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3672 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3673 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3674 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3675 enable dos_paths
3676 ;;
3677 gnu/kfreebsd)
3678 add_cppflags -D_BSD_SOURCE
3679 ;;
3680 gnu)
3681 ;;
3682 qnx)
3683 add_cppflags -D_QNX_SOURCE
3684 network_extralibs="-lsocket"
3685 ;;
3686 symbian)
3687 SLIBSUF=".dll"
3688 enable dos_paths
3689 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3690 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3691 add_ldflags -Wl,--target1-abs,--no-undefined \
3692 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3693 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3694 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3695 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3696 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3697 ;;
3698 osf1)
3699 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3700 ;;
3701 minix)
3702 ;;
3703 plan9)
3704 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3705 -D_REENTRANT_SOURCE \
3706 -D_RESEARCH_SOURCE \
3707 -DFD_SETSIZE=96 \
3708 -DHAVE_SOCK_OPTS
3709 add_compat strtod.o strtod=avpriv_strtod