libx264: Add support for the MPEG2 encoder
[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 libx262
1611 lgplv3
1612 lpc
1613 me_cmp
1614 mpeg_er
1615 mpegaudio
1616 mpegaudiodsp
1617 mpegvideo
1618 mpegvideoenc
1619 pixblockdsp
1620 qpeldsp
1621 qsv
1622 qsvdec
1623 qsvenc
1624 rangecoder
1625 riffdec
1626 riffenc
1627 rtpdec
1628 rtpenc_chain
1629 sinewin
1630 snappy
1631 startcode
1632 texturedsp
1633 texturedspenc
1634 tpeldsp
1635 videodsp
1636 vp3dsp
1637 wma_freqs
1638 "
1639
1640 CMDLINE_SELECT="
1641 $ARCH_EXT_LIST
1642 $CONFIG_LIST
1643 $HAVE_LIST_CMDLINE
1644 $THREADS_LIST
1645 asm
1646 cross_compile
1647 debug
1648 extra_warnings
1649 logging
1650 lto
1651 optimizations
1652 rpath
1653 "
1654
1655 PATHS_LIST="
1656 bindir
1657 datadir
1658 docdir
1659 incdir
1660 libdir
1661 mandir
1662 prefix
1663 shlibdir
1664 "
1665
1666 CMDLINE_SET="
1667 $PATHS_LIST
1668 ar
1669 arch
1670 as
1671 build_suffix
1672 cc
1673 cpu
1674 cross_prefix
1675 dep_cc
1676 env
1677 extra_version
1678 host_cc
1679 host_cflags
1680 host_ld
1681 host_ldflags
1682 host_libs
1683 host_os
1684 ld
1685 logfile
1686 malloc_prefix
1687 nm
1688 optflags
1689 pkg_config
1690 pkg_config_flags
1691 random_seed
1692 samples
1693 sysinclude
1694 sysroot
1695 target_exec
1696 target_os
1697 target_path
1698 target_samples
1699 toolchain
1700 "
1701
1702 CMDLINE_APPEND="
1703 extra_cflags
1704 host_cppflags
1705 "
1706
1707 # code dependency declarations
1708
1709 # architecture extensions
1710
1711 armv5te_deps="arm"
1712 armv6_deps="arm"
1713 armv6t2_deps="arm"
1714 armv8_deps="aarch64"
1715 neon_deps_any="aarch64 arm"
1716 intrinsics_neon_deps="neon"
1717 vfp_deps_any="aarch64 arm"
1718 vfpv3_deps="vfp"
1719
1720 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1721
1722 altivec_deps="ppc"
1723 ppc4xx_deps="ppc"
1724 vsx_deps="altivec"
1725 power8_deps="vsx"
1726
1727 cpunop_deps="i686"
1728 x86_64_select="i686"
1729 x86_64_suggest="fast_cmov"
1730
1731 amd3dnow_deps="mmx"
1732 amd3dnowext_deps="amd3dnow"
1733 i686_deps="x86"
1734 mmx_deps="x86"
1735 mmxext_deps="mmx"
1736 sse_deps="mmxext"
1737 sse2_deps="sse"
1738 sse3_deps="sse2"
1739 ssse3_deps="sse3"
1740 sse4_deps="ssse3"
1741 sse42_deps="sse4"
1742 avx_deps="sse42"
1743 xop_deps="avx"
1744 fma3_deps="avx"
1745 fma4_deps="avx"
1746 avx2_deps="avx"
1747
1748 mmx_external_deps="yasm"
1749 mmx_inline_deps="inline_asm"
1750 mmx_suggest="mmx_external mmx_inline"
1751
1752 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1753 eval dep=\$${ext}_deps
1754 eval ${ext}_external_deps='"${dep}_external"'
1755 eval ${ext}_inline_deps='"${dep}_inline"'
1756 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1757 done
1758
1759 aligned_stack_if_any="aarch64 ppc x86"
1760 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1761 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1762 fast_unaligned_if_any="aarch64 ppc x86"
1763 simd_align_16_if_any="altivec neon sse"
1764
1765 # system capabilities
1766 symver_if_any="symver_asm_label symver_gnu_asm"
1767 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
1768
1769 # threading support
1770 atomics_gcc_if="sync_val_compare_and_swap"
1771 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1772 atomics_win32_if="MemoryBarrier"
1773 atomics_native_if_any="$ATOMICS_LIST"
1774 w32threads_deps="atomics_native"
1775 threads_if_any="$THREADS_LIST"
1776
1777 # subsystems
1778 dct_select="rdft"
1779 error_resilience_select="me_cmp"
1780 faandct_deps="faan fdctdsp"
1781 faanidct_deps="faan idctdsp"
1782 intrax8_select="error_resilience"
1783 mdct_select="fft"
1784 rdft_select="fft"
1785 me_cmp_select="fdctdsp idctdsp pixblockdsp"
1786 mpeg_er_select="error_resilience"
1787 mpegaudio_select="mpegaudiodsp"
1788 mpegaudiodsp_select="dct"
1789 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp videodsp"
1790 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
1791 nvenc_deps_any="dlopen LoadLibrary"
1792 nvenc_extralibs='$ldl'
1793 qsvdec_select="qsv"
1794 qsvenc_select="qsv"
1795
1796 # decoders / encoders
1797 aac_decoder_select="imdct15 mdct sinewin"
1798 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
1799 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1800 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
1801 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1802 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
1803 aic_decoder_select="golomb idctdsp"
1804 alac_encoder_select="lpc"
1805 als_decoder_select="bswapdsp"
1806 amrnb_decoder_select="lsp"
1807 amrwb_decoder_select="lsp"
1808 amv_decoder_select="sp5x_decoder"
1809 ape_decoder_select="bswapdsp"
1810 asv1_decoder_select="blockdsp bswapdsp idctdsp"
1811 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
1812 asv2_decoder_select="blockdsp bswapdsp idctdsp"
1813 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
1814 atrac1_decoder_select="mdct sinewin"
1815 atrac3_decoder_select="mdct"
1816 atrac3p_decoder_select="mdct sinewin"
1817 bink_decoder_select="blockdsp hpeldsp"
1818 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
1819 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
1820 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
1821 cllc_decoder_select="bswapdsp"
1822 comfortnoise_encoder_select="lpc"
1823 cook_decoder_select="audiodsp mdct sinewin"
1824 cscd_decoder_select="lzo"
1825 cscd_decoder_suggest="zlib"
1826 dca_decoder_select="fmtconvert mdct"
1827 dds_decoder_select="texturedsp"
1828 dnxhd_decoder_select="blockdsp idctdsp"
1829 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
1830 dvvideo_decoder_select="dvprofile idctdsp"
1831 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
1832 dxa_decoder_deps="zlib"
1833 eac3_decoder_select="ac3_decoder"
1834 eac3_encoder_select="ac3_encoder"
1835 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
1836 eatgq_decoder_select="aandcttables idctdsp"
1837 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
1838 exr_decoder_deps="zlib"
1839 ffv1_decoder_select="golomb rangecoder"
1840 ffv1_encoder_select="rangecoder"
1841 ffvhuff_decoder_select="huffyuv_decoder"
1842 ffvhuff_encoder_select="huffyuv_encoder"
1843 fic_decoder_select="golomb"
1844 flac_decoder_select="golomb"
1845 flac_encoder_select="bswapdsp golomb lpc"
1846 flashsv_decoder_deps="zlib"
1847 flashsv_encoder_deps="zlib"
1848 flashsv2_decoder_deps="zlib"
1849 flv_decoder_select="h263_decoder"
1850 flv_encoder_select="h263_encoder"
1851 fourxm_decoder_select="blockdsp bswapdsp"
1852 fraps_decoder_select="bswapdsp huffman"
1853 g2m_decoder_deps="zlib"
1854 g2m_decoder_select="blockdsp idctdsp jpegtables"
1855 h261_decoder_select="mpeg_er mpegvideo"
1856 h261_encoder_select="aandcttables mpegvideoenc"
1857 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
1858 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1859 h263i_decoder_select="h263_decoder"
1860 h263p_encoder_select="h263_encoder"
1861 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
1862 h264_decoder_suggest="error_resilience"
1863 h264_nvenc_encoder_deps="nvenc"
1864 h264_qsv_decoder_deps="libmfx"
1865 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
1866 h264_qsv_encoder_deps="libmfx"
1867 h264_qsv_encoder_select="qsvenc"
1868 hap_decoder_select="snappy texturedsp"
1869 hap_encoder_deps="libsnappy"
1870 hap_encoder_select="texturedspenc"
1871 hevc_decoder_select="bswapdsp cabac golomb videodsp"
1872 hevc_nvenc_encoder_deps="nvenc"
1873 hevc_qsv_encoder_deps="libmfx"
1874 hevc_qsv_encoder_select="qsvenc"
1875 huffyuv_decoder_select="bswapdsp huffyuvdsp"
1876 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
1877 iac_decoder_select="imc_decoder"
1878 imc_decoder_select="bswapdsp fft mdct sinewin"
1879 indeo3_decoder_select="hpeldsp"
1880 interplay_video_decoder_select="hpeldsp"
1881 jpegls_decoder_select="golomb mjpeg_decoder"
1882 jpegls_encoder_select="golomb"
1883 jv_decoder_select="blockdsp"
1884 lagarith_decoder_select="huffyuvdsp"
1885 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
1886 loco_decoder_select="golomb"
1887 mdec_decoder_select="blockdsp idctdsp mpegvideo"
1888 metasound_decoder_select="lsp mdct sinewin"
1889 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
1890 mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
1891 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
1892 mjpegb_decoder_select="mjpeg_decoder"
1893 mlp_decoder_select="mlp_parser"
1894 motionpixels_decoder_select="bswapdsp"
1895 mp1_decoder_select="mpegaudio"
1896 mp1float_decoder_select="mpegaudio"
1897 mp2_decoder_select="mpegaudio"
1898 mp2float_decoder_select="mpegaudio"
1899 mp3_decoder_select="mpegaudio"
1900 mp3adu_decoder_select="mpegaudio"
1901 mp3adufloat_decoder_select="mpegaudio"
1902 mp3float_decoder_select="mpegaudio"
1903 mp3on4_decoder_select="mpegaudio"
1904 mp3on4float_decoder_select="mpegaudio"
1905 mpc7_decoder_select="bswapdsp mpegaudiodsp"
1906 mpc8_decoder_select="mpegaudiodsp"
1907 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1908 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1909 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
1910 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1911 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
1912 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1913 mpeg2_qsv_encoder_deps="libmfx"
1914 mpeg2_qsv_encoder_select="qsvenc"
1915 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1916 mpeg4_encoder_select="h263_encoder"
1917 msmpeg4v1_decoder_select="h263_decoder"
1918 msmpeg4v2_decoder_select="h263_decoder"
1919 msmpeg4v2_encoder_select="h263_encoder"
1920 msmpeg4v3_decoder_select="h263_decoder"
1921 msmpeg4v3_encoder_select="h263_encoder"
1922 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
1923 mxpeg_decoder_select="mjpeg_decoder"
1924 nellymoser_decoder_select="mdct sinewin"
1925 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1926 nuv_decoder_select="idctdsp lzo"
1927 on2avc_decoder_select="mdct"
1928 opus_decoder_deps="avresample"
1929 opus_decoder_select="imdct15"
1930 png_decoder_deps="zlib"
1931 png_encoder_deps="zlib"
1932 png_encoder_select="huffyuvencdsp"
1933 prores_decoder_select="idctdsp"
1934 prores_encoder_select="fdctdsp"
1935 qcelp_decoder_select="lsp"
1936 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1937 ra_144_encoder_select="audio_frame_queue lpc"
1938 ralf_decoder_select="golomb"
1939 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
1940 rv10_encoder_select="h263_encoder"
1941 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
1942 rv20_encoder_select="h263_encoder"
1943 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
1944 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
1945 shorten_decoder_select="golomb"
1946 sipr_decoder_select="lsp"
1947 sp5x_decoder_select="mjpeg_decoder"
1948 svq1_decoder_select="hpeldsp"
1949 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
1950 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
1951 svq3_decoder_suggest="zlib"
1952 tak_decoder_select="audiodsp"
1953 tdsc_decoder_deps="zlib"
1954 tdsc_decoder_select="mjpeg_decoder"
1955 theora_decoder_select="vp3_decoder"
1956 thp_decoder_select="mjpeg_decoder"
1957 tiff_decoder_suggest="zlib"
1958 tiff_encoder_suggest="zlib"
1959 truehd_decoder_select="mlp_decoder"
1960 truemotion2_decoder_select="bswapdsp"
1961 truespeech_decoder_select="bswapdsp"
1962 tscc_decoder_deps="zlib"
1963 txd_decoder_select="texturedsp"
1964 twinvq_decoder_select="mdct lsp sinewin"
1965 utvideo_decoder_select="bswapdsp"
1966 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
1967 vble_decoder_select="huffyuvdsp"
1968 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
1969 vc1image_decoder_select="vc1_decoder"
1970 vorbis_decoder_select="mdct"
1971 vorbis_encoder_select="mdct"
1972 vp3_decoder_select="hpeldsp vp3dsp videodsp"
1973 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1974 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
1975 vp6a_decoder_select="vp6_decoder"
1976 vp6f_decoder_select="vp6_decoder"
1977 vp7_decoder_select="h264pred videodsp"
1978 vp8_decoder_select="h264pred videodsp"
1979 vp9_decoder_select="videodsp"
1980 webp_decoder_select="vp8_decoder"
1981 wmapro_decoder_select="mdct sinewin wma_freqs"
1982 wmav1_decoder_select="mdct sinewin wma_freqs"
1983 wmav1_encoder_select="mdct sinewin wma_freqs"
1984 wmav2_decoder_select="mdct sinewin wma_freqs"
1985 wmav2_encoder_select="mdct sinewin wma_freqs"
1986 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1987 wmv1_decoder_select="h263_decoder"
1988 wmv1_encoder_select="h263_encoder"
1989 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"
1990 wmv2_encoder_select="h263_encoder"
1991 wmv3_decoder_select="vc1_decoder"
1992 wmv3image_decoder_select="wmv3_decoder"
1993 zerocodec_decoder_deps="zlib"
1994 zlib_decoder_deps="zlib"
1995 zlib_encoder_deps="zlib"
1996 zmbv_decoder_deps="zlib"
1997 zmbv_encoder_deps="zlib"
1998
1999 # hardware accelerators
2000 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2001 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2002 vaapi_deps="va_va_h"
2003 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2004 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2005 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2006
2007 h263_vaapi_hwaccel_deps="vaapi"
2008 h263_vaapi_hwaccel_select="h263_decoder"
2009 h263_vdpau_hwaccel_deps="vdpau"
2010 h263_vdpau_hwaccel_select="h263_decoder"
2011 h264_d3d11va_hwaccel_deps="d3d11va"
2012 h264_d3d11va_hwaccel_select="h264_decoder"
2013 h264_dxva2_hwaccel_deps="dxva2"
2014 h264_dxva2_hwaccel_select="h264_decoder"
2015 h264_mmal_decoder_deps="mmal"
2016 h264_mmal_hwaccel_deps="mmal"
2017 h264_mmal_decoder_select="h264_decoder"
2018 h264_mmal_encoder_deps="mmal"
2019 h264_qsv_hwaccel_deps="libmfx"
2020 h264_vaapi_hwaccel_deps="vaapi"
2021 h264_vaapi_hwaccel_select="h264_decoder"
2022 h264_vda_hwaccel_deps="vda"
2023 h264_vda_hwaccel_select="h264_decoder"
2024 h264_vda_old_hwaccel_deps="vda"
2025 h264_vda_old_hwaccel_select="h264_decoder"
2026 h264_vdpau_hwaccel_deps="vdpau"
2027 h264_vdpau_hwaccel_select="h264_decoder"
2028 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2029 hevc_d3d11va_hwaccel_select="hevc_decoder"
2030 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2031 hevc_dxva2_hwaccel_select="hevc_decoder"
2032 mpeg1_vdpau_hwaccel_deps="vdpau"
2033 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2034 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2035 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2036 mpeg2_dxva2_hwaccel_deps="dxva2"
2037 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2038 mpeg2_vaapi_hwaccel_deps="vaapi"
2039 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2040 mpeg2_vdpau_hwaccel_deps="vdpau"
2041 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2042 mpeg4_vaapi_hwaccel_deps="vaapi"
2043 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2044 mpeg4_vdpau_hwaccel_deps="vdpau"
2045 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2046 vc1_d3d11va_hwaccel_deps="d3d11va"
2047 vc1_d3d11va_hwaccel_select="vc1_decoder"
2048 vc1_dxva2_hwaccel_deps="dxva2"
2049 vc1_dxva2_hwaccel_select="vc1_decoder"
2050 vc1_vaapi_hwaccel_deps="vaapi"
2051 vc1_vaapi_hwaccel_select="vc1_decoder"
2052 vc1_vdpau_hwaccel_deps="vdpau"
2053 vc1_vdpau_hwaccel_select="vc1_decoder"
2054 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2055 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2056 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2057 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2058
2059 # parsers
2060 h264_parser_select="h264_decoder"
2061 hevc_parser_select="golomb"
2062 mpegvideo_parser_select="mpegvideo"
2063 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
2064 vc1_parser_select="mpegvideo startcode vc1_decoder"
2065
2066 # bitstream_filters
2067 mjpeg2jpeg_bsf_select="jpegtables"
2068
2069 # external libraries
2070 libdcadec_decoder_deps="libdcadec"
2071 libfaac_encoder_deps="libfaac"
2072 libfaac_encoder_select="audio_frame_queue"
2073 libfdk_aac_decoder_deps="libfdk_aac"
2074 libfdk_aac_encoder_deps="libfdk_aac"
2075 libfdk_aac_encoder_select="audio_frame_queue"
2076 libgsm_decoder_deps="libgsm"
2077 libgsm_encoder_deps="libgsm"
2078 libgsm_ms_decoder_deps="libgsm"
2079 libgsm_ms_encoder_deps="libgsm"
2080 libilbc_decoder_deps="libilbc"
2081 libilbc_encoder_deps="libilbc"
2082 libmp3lame_encoder_deps="libmp3lame"
2083 libmp3lame_encoder_select="audio_frame_queue"
2084 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2085 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2086 libopencore_amrnb_encoder_select="audio_frame_queue"
2087 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2088 libopenh264_encoder_deps="libopenh264"
2089 libopenjpeg_decoder_deps="libopenjpeg"
2090 libopenjpeg_encoder_deps="libopenjpeg"
2091 libopus_decoder_deps="libopus"
2092 libopus_encoder_deps="libopus"
2093 libopus_encoder_select="audio_frame_queue"
2094 libschroedinger_decoder_deps="libschroedinger"
2095 libschroedinger_encoder_deps="libschroedinger"
2096 libspeex_decoder_deps="libspeex"
2097 libspeex_encoder_deps="libspeex"
2098 libspeex_encoder_select="audio_frame_queue"
2099 libtheora_encoder_deps="libtheora"
2100 libtwolame_encoder_deps="libtwolame"
2101 libvo_aacenc_encoder_deps="libvo_aacenc"
2102 libvo_aacenc_encoder_select="audio_frame_queue"
2103 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2104 libvorbis_encoder_deps="libvorbis"
2105 libvorbis_encoder_select="audio_frame_queue"
2106 libvpx_vp8_decoder_deps="libvpx"
2107 libvpx_vp8_encoder_deps="libvpx"
2108 libvpx_vp9_decoder_deps="libvpx"
2109 libvpx_vp9_encoder_deps="libvpx"
2110 libwavpack_encoder_deps="libwavpack"
2111 libwebp_encoder_deps="libwebp"
2112 libx262_encoder_deps="libx262"
2113 libx264_encoder_deps="libx264"
2114 libx265_encoder_deps="libx265"
2115 libxavs_encoder_deps="libxavs"
2116 libxvid_encoder_deps="libxvid"
2117
2118 # demuxers / muxers
2119 ac3_demuxer_select="ac3_parser"
2120 asf_demuxer_select="riffdec"
2121 asf_muxer_select="riffenc"
2122 asf_stream_muxer_select="asf_muxer"
2123 avi_demuxer_select="riffdec"
2124 avi_muxer_select="riffenc"
2125 avisynth_demuxer_deps="avisynth"
2126 avisynth_demuxer_select="riffdec"
2127 caf_demuxer_select="riffdec"
2128 dash_muxer_select="mp4_muxer"
2129 dirac_demuxer_select="dirac_parser"
2130 dv_demuxer_select="dvprofile"
2131 dv_muxer_select="dvprofile"
2132 dxa_demuxer_select="riffdec"
2133 eac3_demuxer_select="ac3_parser"
2134 f4v_muxer_select="mov_muxer"
2135 flac_demuxer_select="flac_parser"
2136 hds_muxer_select="flv_muxer"
2137 hls_muxer_select="mpegts_muxer"
2138 ipod_muxer_select="mov_muxer"
2139 ismv_muxer_select="mov_muxer"
2140 matroska_audio_muxer_select="matroska_muxer"
2141 matroska_demuxer_select="riffdec"
2142 matroska_demuxer_suggest="bzlib lzo zlib"
2143 matroska_muxer_select="riffenc"
2144 mmf_muxer_select="riffenc"
2145 mov_demuxer_select="riffdec"
2146 mov_demuxer_suggest="zlib"
2147 mov_muxer_select="riffenc rtpenc_chain"
2148 mp3_demuxer_select="mpegaudio_parser"
2149 mp4_muxer_select="mov_muxer"
2150 mpegts_muxer_select="adts_muxer latm_muxer"
2151 mpegtsraw_demuxer_select="mpegts_demuxer"
2152 mxf_d10_muxer_select="mxf_muxer"
2153 nut_muxer_select="riffenc"
2154 nuv_demuxer_select="riffdec"
2155 oga_muxer_select="ogg_muxer"
2156 ogg_demuxer_select="golomb"
2157 opus_muxer_select="ogg_muxer"
2158 psp_muxer_select="mov_muxer"
2159 rtp_demuxer_select="sdp_demuxer"
2160 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2161 rtsp_demuxer_select="http_protocol rtpdec"
2162 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2163 sap_demuxer_select="sdp_demuxer"
2164 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2165 sdp_demuxer_select="rtpdec"
2166 smoothstreaming_muxer_select="ismv_muxer"
2167 spdif_muxer_select="aac_parser"
2168 spx_muxer_select="ogg_muxer"
2169 tak_demuxer_select="tak_parser"
2170 tg2_muxer_select="mov_muxer"
2171 tgp_muxer_select="mov_muxer"
2172 w64_demuxer_select="wav_demuxer"
2173 wav_demuxer_select="riffdec"
2174 wav_muxer_select="riffenc"
2175 webm_muxer_select="riffenc"
2176 wtv_demuxer_select="riffdec"
2177 xmv_demuxer_select="riffdec"
2178 xwma_demuxer_select="riffdec"
2179
2180 # indevs / outdevs
2181 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2182 alsa_outdev_deps="alsa_asoundlib_h"
2183 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2184 dv1394_indev_deps="dv1394"
2185 dv1394_indev_select="dv_demuxer"
2186 fbdev_indev_deps="linux_fb_h"
2187 jack_indev_deps="jack_jack_h pthreads"
2188 libcdio_indev_deps="libcdio"
2189 libdc1394_indev_deps="libdc1394"
2190 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2191 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2192 pulse_indev_deps="libpulse"
2193 sndio_indev_deps="sndio_h"
2194 sndio_outdev_deps="sndio_h"
2195 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2196 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2197 vfwcap_indev_extralibs="-lavicap32"
2198 x11grab_indev_deps="x11grab"
2199 x11grab_xcb_indev_deps="libxcb"
2200
2201 # protocols
2202 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2203 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2204 ffrtmpcrypt_protocol_select="tcp_protocol"
2205 ffrtmphttp_protocol_deps="!librtmp_protocol"
2206 ffrtmphttp_protocol_select="http_protocol"
2207 gopher_protocol_select="network"
2208 http_protocol_select="tcp_protocol"
2209 httpproxy_protocol_select="tcp_protocol"
2210 https_protocol_select="tls_protocol"
2211 icecast_protocol_select="http_protocol"
2212 librtmp_protocol_deps="librtmp"
2213 librtmpe_protocol_deps="librtmp"
2214 librtmps_protocol_deps="librtmp"
2215 librtmpt_protocol_deps="librtmp"
2216 librtmpte_protocol_deps="librtmp"
2217 mmsh_protocol_select="http_protocol"
2218 mmst_protocol_select="network"
2219 rtmp_protocol_deps="!librtmp_protocol"
2220 rtmp_protocol_select="tcp_protocol"
2221 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2222 rtmps_protocol_deps="!librtmp_protocol"
2223 rtmps_protocol_select="tls_protocol"
2224 rtmpt_protocol_select="ffrtmphttp_protocol"
2225 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2226 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2227 rtp_protocol_select="udp_protocol"
2228 sctp_protocol_deps="struct_sctp_event_subscribe"
2229 sctp_protocol_select="network"
2230 srtp_protocol_select="rtp_protocol"
2231 tcp_protocol_select="network"
2232 tls_gnutls_protocol_deps="gnutls"
2233 tls_gnutls_protocol_select="tcp_protocol"
2234 tls_openssl_protocol_deps="openssl !tls_gnutls_protocol"
2235 tls_openssl_protocol_select="tcp_protocol"
2236 tls_protocol_deps_any="tls_gnutls_protocol tls_openssl_protocol"
2237 udp_protocol_select="network"
2238 unix_protocol_deps="sys_un_h"
2239 unix_protocol_select="network"
2240
2241 # filters
2242 blackframe_filter_deps="gpl"
2243 boxblur_filter_deps="gpl"
2244 bs2b_filter_deps="libbs2b"
2245 cropdetect_filter_deps="gpl"
2246 delogo_filter_deps="gpl"
2247 drawtext_filter_deps="libfreetype"
2248 frei0r_filter_deps="frei0r dlopen"
2249 frei0r_filter_extralibs='$ldl'
2250 frei0r_src_filter_deps="frei0r dlopen"
2251 frei0r_src_filter_extralibs='$ldl'
2252 hqdn3d_filter_deps="gpl"
2253 interlace_filter_deps="gpl"
2254 ocv_filter_deps="libopencv"
2255 resample_filter_deps="avresample"
2256 scale_filter_deps="swscale"
2257
2258 # examples
2259 avcodec_example_deps="avcodec avutil"
2260 filter_audio_example_deps="avfilter avutil"
2261 metadata_example_deps="avformat avutil"
2262 output_example_deps="avcodec avformat avutil swscale"
2263 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2264 transcode_aac_example_deps="avcodec avformat avresample"
2265
2266 # libraries, in linking order
2267 avcodec_deps="avutil"
2268 avdevice_deps="avformat avcodec avutil"
2269 avfilter_deps="avutil"
2270 avformat_deps="avcodec avutil"
2271 avresample_deps="avutil"
2272 swscale_deps="avutil"
2273
2274 # programs
2275 avconv_deps="avcodec avfilter avformat avresample swscale"
2276 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2277 fps_filter null_filter resample_filter scale_filter
2278 setpts_filter trim_filter"
2279 avplay_deps="avcodec avformat avresample swscale sdl"
2280 avplay_libs='$sdl_libs'
2281 avplay_select="rdft transpose_filter hflip_filter vflip_filter"
2282 avprobe_deps="avcodec avformat"
2283
2284 # documentation
2285 pod2man_deps="doc"
2286 texi2html_deps="doc"
2287
2288 # default parameters
2289
2290 logfile="config.log"
2291
2292 # installation paths
2293 prefix_default="/usr/local"
2294 bindir_default='${prefix}/bin'
2295 datadir_default='${prefix}/share/avconv'
2296 docdir_default='${prefix}/share/doc/libav'
2297 incdir_default='${prefix}/include'
2298 libdir_default='${prefix}/lib'
2299 mandir_default='${prefix}/share/man'
2300 shlibdir_default="$libdir_default"
2301
2302 # toolchain
2303 ar_default="ar"
2304 cc_default="gcc"
2305 host_cc_default="gcc"
2306 cp_f="cp -f"
2307 ln_s="ln -s -f"
2308 nm_default="nm -g"
2309 objformat="elf"
2310 pkg_config_default=pkg-config
2311 ranlib="ranlib"
2312 strip="strip"
2313 yasmexe="yasm"
2314
2315 # machine
2316 arch_default=$(uname -m)
2317 cpu="generic"
2318 intrinsics="none"
2319
2320 # OS
2321 target_os_default=$(tolower $(uname -s))
2322 host_os=$target_os_default
2323
2324 # configurable options
2325 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2326
2327 enable asm
2328 enable debug
2329 enable doc
2330 enable faan faandct faanidct
2331 enable optimizations
2332 enable safe_bitstream_reader
2333 enable static
2334 enable swscale_alpha
2335 enable valgrind_backtrace
2336
2337 # By default, enable only those hwaccels that have no external dependencies.
2338 enable d3d11va dxva2 vda vdpau
2339
2340 # build settings
2341 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2342 LIBPREF="lib"
2343 LIBSUF=".a"
2344 FULLNAME='$(NAME)$(BUILDSUF)'
2345 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2346 SLIBPREF="lib"
2347 SLIBSUF=".so"
2348 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2349 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2350 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2351 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2352 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2353 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2354
2355 asflags_filter=echo
2356 cflags_filter=echo
2357 ldflags_filter=echo
2358
2359 AS_C='-c'
2360 AS_O='-o $@'
2361 CC_C='-c'
2362 CC_E='-E -o $@'
2363 CC_O='-o $@'
2364 LD_O='-o $@'
2365 LD_LIB='-l%'
2366 LD_PATH='-L'
2367 HOSTCC_C='-c'
2368 HOSTCC_E='-E -o $@'
2369 HOSTCC_O='-o $@'
2370 HOSTLD_O='-o $@'
2371
2372 host_libs='-lm'
2373 host_cflags_filter=echo
2374 host_ldflags_filter=echo
2375
2376 target_path='$(CURDIR)'
2377
2378 # since the object filename is not given with the -MM flag, the compiler
2379 # is only able to print the basename, and we must add the path ourselves
2380 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2381 DEPFLAGS='-MM'
2382
2383 # find source path
2384 if test -f configure; then
2385 source_path=.
2386 else
2387 source_path=$(cd $(dirname "$0"); pwd)
2388 echo "$source_path" | grep -q '[[:blank:]]' &&
2389 die "Out of tree builds are impossible with whitespace in source path."
2390 test -e "$source_path/config.h" &&
2391 die "Out of tree builds are impossible with config.h in source dir."
2392 fi
2393
2394 for v in "$@"; do
2395 r=${v#*=}
2396 l=${v%"$r"}
2397 r=$(sh_quote "$r")
2398 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2399 done
2400
2401 find_things(){
2402 thing=$1
2403 pattern=$2
2404 file=$source_path/$3
2405 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2406 }
2407
2408 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2409 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2410 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2411 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2412 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2413 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2414 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2415 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2416 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2417 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2418 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2419
2420 ALL_COMPONENTS="
2421 $BSF_LIST
2422 $DECODER_LIST
2423 $DEMUXER_LIST
2424 $ENCODER_LIST
2425 $FILTER_LIST
2426 $HWACCEL_LIST
2427 $INDEV_LIST
2428 $MUXER_LIST
2429 $OUTDEV_LIST
2430 $PARSER_LIST
2431 $PROTOCOL_LIST
2432 "
2433
2434 for n in $COMPONENT_LIST; do
2435 v=$(toupper ${n%s})_LIST
2436 eval enable \$$v
2437 eval ${n}_if_any="\$$v"
2438 done
2439
2440 enable $ARCH_EXT_LIST
2441
2442 die_unknown(){
2443 echo "Unknown option \"$1\"."
2444 echo "See $0 --help for available options."
2445 exit 1
2446 }
2447
2448 print_3_columns() {
2449 cat | tr ' ' '\n' | sort | pr -r -3 -t
2450 }
2451
2452 show_list() {
2453 suffix=_$1
2454 shift
2455 echo $* | sed s/$suffix//g | print_3_columns
2456 exit 0
2457 }
2458
2459 rand_list(){
2460 IFS=', '
2461 set -- $*
2462 unset IFS
2463 for thing; do
2464 comp=${thing%:*}
2465 prob=${thing#$comp}
2466 prob=${prob#:}
2467 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2468 echo "prob ${prob:-0.5}"
2469 printf '%s\n' $comp
2470 done
2471 }
2472
2473 do_random(){
2474 action=$1
2475 shift
2476 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2477 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2478 }
2479
2480 for opt do
2481 optval="${opt#*=}"
2482 case "$opt" in
2483 --extra-ldflags=*)
2484 add_ldflags $optval
2485 ;;
2486 --extra-ldexeflags=*)
2487 add_ldexeflags $optval
2488 ;;
2489 --extra-libs=*)
2490 add_extralibs $optval
2491 ;;
2492 --disable-devices)
2493 disable $INDEV_LIST $OUTDEV_LIST
2494 ;;
2495 --enable-debug=*)
2496 debuglevel="$optval"
2497 ;;
2498 --disable-programs)
2499 disable $PROGRAM_LIST
2500 ;;
2501 --disable-everything)
2502 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2503 ;;
2504 --disable-all)
2505 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2506 disable $LIBRARY_LIST $PROGRAM_LIST doc
2507 ;;
2508 --enable-random|--disable-random)
2509 action=${opt%%-random}
2510 do_random ${action#--} $COMPONENT_LIST
2511 ;;
2512 --enable-random=*|--disable-random=*)
2513 action=${opt%%-random=*}
2514 do_random ${action#--} $optval
2515 ;;
2516 --enable-*=*|--disable-*=*)
2517 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2518 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2519 eval list=\$$(toupper $thing)_LIST
2520 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2521 $action $(filter "$name" $list)
2522 ;;
2523 --enable-avserver|--disable-avserver*)
2524 warn "avserver has been removed, the ${opt} option is only"\
2525 "provided for compatibility and will be removed in the future"
2526 ;;
2527 --enable-?*|--disable-?*)
2528 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2529 if is_in $option $COMPONENT_LIST; then
2530 test $action = disable && action=unset
2531 eval $action \$$(toupper ${option%s})_LIST
2532 elif is_in $option $CMDLINE_SELECT; then
2533 $action $option
2534 else
2535 die_unknown $opt
2536 fi
2537 ;;
2538 --list-*)
2539 NAME="${opt#--list-}"
2540 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2541 NAME=${NAME%s}
2542 eval show_list $NAME \$$(toupper $NAME)_LIST
2543 ;;
2544 --help|-h) show_help
2545 ;;
2546 *)
2547 optname="${opt%%=*}"
2548 optname="${optname#--}"
2549 optname=$(echo "$optname" | sed 's/-/_/g')
2550 if is_in $optname $CMDLINE_SET; then
2551 eval $optname='$optval'
2552 elif is_in $optname $CMDLINE_APPEND; then
2553 append $optname "$optval"
2554 else
2555 die_unknown $opt
2556 fi
2557 ;;
2558 esac
2559 done
2560
2561 for e in $env; do
2562 eval "export $e"
2563 done
2564
2565 disabled logging && logfile=/dev/null
2566
2567 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2568 set >> $logfile
2569
2570 case "$toolchain" in
2571 clang-asan)
2572 cc_default="clang"
2573 add_cflags -fsanitize=address
2574 add_ldflags -fsanitize=address
2575 ;;
2576 clang-tsan)
2577 cc_default="clang"
2578 add_cflags -fsanitize=thread -pie
2579 add_ldflags -fsanitize=thread -pie
2580 ;;
2581 clang-usan)
2582 cc_default="clang"
2583 add_cflags -fsanitize=undefined -O1
2584 add_ldflags -fsanitize=undefined
2585 ;;
2586 gcc-asan)
2587 cc_default="gcc"
2588 add_cflags -fsanitize=address
2589 add_ldflags -fsanitize=address
2590 ;;
2591 gcc-tsan)
2592 cc_default="gcc"
2593 add_cflags -fsanitize=thread -pie -fPIC
2594 add_ldflags -fsanitize=thread -pie -fPIC
2595 ;;
2596 gcc-usan)
2597 cc_default="gcc"
2598 add_cflags -fsanitize=undefined
2599 add_ldflags -fsanitize=undefined
2600 ;;
2601 valgrind-massif)
2602 target_exec_default="valgrind"
2603 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2604 ;;
2605 valgrind-memcheck)
2606 target_exec_default="valgrind"
2607 target_exec_args="--track-origins=yes --leak-check=full"
2608 ;;
2609 msvc)
2610 # Check whether the current MSVC version needs the C99 converter.
2611 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2612 # support enough of C99 to build libav. Default to the new
2613 # behaviour if the regexp was unable to match anything, since this
2614 # successfully parses the version number of existing supported
2615 # versions that require the converter (MSVC 2010 and 2012).
2616 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2617 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2618 cc_default="cl"
2619 else
2620 cc_default="c99wrap cl"
2621 fi
2622 ld_default="link"
2623 nm_default="dumpbin -symbols"
2624 ar_default="lib"
2625 target_os_default="win32"
2626 # Use a relative path for TMPDIR. This makes sure all the
2627 # ffconf temp files are written with a relative path, avoiding
2628 # issues with msys/win32 path conversion for MSVC parameters
2629 # such as -Fo<file> or -out:<file>.
2630 TMPDIR=.
2631 ;;
2632 icl)
2633 cc_default="icl"
2634 ld_default="xilink"
2635 nm_default="dumpbin -symbols"
2636 ar_default="xilib"
2637 target_os_default="win32"
2638 TMPDIR=.
2639 ;;
2640 gcov)
2641 add_cflags -fprofile-arcs -ftest-coverage
2642 add_ldflags -fprofile-arcs -ftest-coverage
2643 ;;
2644 hardened)
2645 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
2646 add_cflags -fno-strict-overflow -fstack-protector-all
2647 add_ldflags -Wl,-z,relro -Wl,-z,now
2648 ;;
2649 ?*)
2650 die "Unknown toolchain $toolchain"
2651 ;;
2652 esac
2653
2654 test -n "$cross_prefix" && enable cross_compile
2655
2656 if enabled cross_compile; then
2657 test -n "$arch" && test -n "$target_os" ||
2658 die "Must specify target arch and OS when cross-compiling"
2659 fi
2660
2661 ar_default="${cross_prefix}${ar_default}"
2662 cc_default="${cross_prefix}${cc_default}"
2663 nm_default="${cross_prefix}${nm_default}"
2664 pkg_config_default="${cross_prefix}${pkg_config_default}"
2665 ranlib="${cross_prefix}${ranlib}"
2666 strip="${cross_prefix}${strip}"
2667
2668 sysinclude_default="${sysroot}/usr/include"
2669
2670 set_default arch cc pkg_config sysinclude target_exec target_os
2671 enabled cross_compile || host_cc_default=$cc
2672 set_default host_cc
2673
2674 if ! $pkg_config --version >/dev/null 2>&1; then
2675 warn "$pkg_config not found, library detection may fail."
2676 pkg_config=false
2677 fi
2678
2679 exesuf() {
2680 case $1 in
2681 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2682 esac
2683 }
2684
2685 EXESUF=$(exesuf $target_os)
2686 HOSTEXESUF=$(exesuf $host_os)
2687
2688 # set temporary file name
2689 : ${TMPDIR:=$TEMPDIR}
2690 : ${TMPDIR:=$TMP}
2691 : ${TMPDIR:=/tmp}
2692
2693 if ! check_cmd mktemp -u XXXXXX; then
2694 # simple replacement for missing mktemp
2695 # NOT SAFE FOR GENERAL USE
2696 mktemp(){
2697 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2698 }
2699 fi
2700
2701 tmpfile(){
2702 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2703 (set -C; exec > $tmp) 2>/dev/null ||
2704 die "Unable to create temporary file in $TMPDIR."
2705 append TMPFILES $tmp
2706 eval $1=$tmp
2707 }
2708
2709 trap 'rm -f -- $TMPFILES' EXIT
2710
2711 tmpfile TMPASM .asm
2712 tmpfile TMPC .c
2713 tmpfile TMPE $EXESUF
2714 tmpfile TMPH .h
2715 tmpfile TMPO .o
2716 tmpfile TMPS .S
2717 tmpfile TMPSH .sh
2718 tmpfile TMPV .ver
2719
2720 unset -f mktemp
2721
2722 chmod +x $TMPE
2723
2724 # make sure we can execute files in $TMPDIR
2725 cat > $TMPSH 2>> $logfile <<EOF
2726 #! /bin/sh
2727 EOF
2728 chmod +x $TMPSH >> $logfile 2>&1
2729 if ! $TMPSH >> $logfile 2>&1; then
2730 cat <<EOF
2731 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2732 variable to another directory and make sure that it is not mounted noexec.
2733 EOF
2734 die "Sanity test failed."
2735 fi
2736
2737 armasm_flags(){
2738 for flag; do
2739 case $flag in
2740 # Filter out MSVC cl.exe options from cflags that shouldn't
2741 # be passed to gas-preprocessor
2742 -M[TD]*) ;;
2743 *) echo $flag ;;
2744 esac
2745 done
2746 }
2747
2748 ccc_flags(){
2749 for flag; do
2750 case $flag in
2751 -std=c99) echo -c99 ;;
2752 -mcpu=*) echo -arch ${flag#*=} ;;
2753 -mieee) echo -ieee ;;
2754 -O*|-fast) echo $flag ;;
2755 -fno-math-errno) echo -assume nomath_errno ;;
2756 -g) echo -g3 ;;
2757 -Wall) echo -msg_enable level2 ;;
2758 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2759 -Wl,*) echo $flag ;;
2760 -f*|-W*) ;;
2761 *) echo $flag ;;
2762 esac
2763 done
2764 }
2765
2766 cparser_flags(){
2767 for flag; do
2768 case $flag in
2769 -Wno-switch) echo -Wno-switch-enum ;;
2770 -Wno-format-zero-length) ;;
2771 -Wdisabled-optimization) ;;
2772 -Wno-pointer-sign) echo -Wno-other ;;
2773 *) echo $flag ;;
2774 esac
2775 done
2776 }
2777
2778 msvc_common_flags(){
2779 for flag; do
2780 case $flag in
2781 # In addition to specifying certain flags under the compiler
2782 # specific filters, they must be specified here as well or else the
2783 # generic catch all at the bottom will print the original flag.
2784 -Wall) ;;
2785 -std=c99) ;;
2786 # Common flags
2787 -fomit-frame-pointer) ;;
2788 -g) echo -Z7 ;;
2789 -fno-math-errno) ;;
2790 -fno-common) ;;
2791 -fno-signed-zeros) ;;
2792 -fPIC) ;;
2793 -mthumb) ;;
2794 -march=*) ;;
2795 -lz) echo zlib.lib ;;
2796 -lavifil32) echo vfw32.lib ;;
2797 -lavicap32) echo vfw32.lib user32.lib ;;
2798 -l*) echo ${flag#-l}.lib ;;
2799 -L*) echo -libpath:${flag#-L} ;;
2800 *) echo $flag ;;
2801 esac
2802 done
2803 }
2804
2805 msvc_flags(){
2806 msvc_common_flags "$@"
2807 for flag; do
2808 case $flag in
2809 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2810 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2811 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2812 -wd4273 -wd4554 -wd4701 ;;
2813 esac
2814 done
2815 }
2816
2817 icl_flags(){
2818 msvc_common_flags "$@"
2819 for flag; do
2820 case $flag in
2821 # Despite what Intel's documentation says -Wall, which is supported
2822 # on Windows, does enable remarks so disable them here.
2823 -Wall) echo $flag -Qdiag-disable:remark ;;
2824 -std=c99) echo -Qstd=c99 ;;
2825 esac
2826 done
2827 }
2828
2829 pgi_flags(){
2830 for flag; do
2831 case $flag in
2832 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2833 -fomit-frame-pointer) echo -Mnoframe ;;
2834 -g) echo -gopt ;;
2835 *) echo $flag ;;
2836 esac
2837 done
2838 }
2839
2840 suncc_flags(){
2841 for flag; do
2842 case $flag in
2843 -march=*|-mcpu=*)
2844 case "${flag#*=}" in
2845 native) echo -xtarget=native ;;
2846 v9|niagara) echo -xarch=sparc ;;
2847 ultrasparc) echo -xarch=sparcvis ;;
2848 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2849 i586|pentium) echo -xchip=pentium ;;
2850 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2851 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2852 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2853 pentium4*) echo -xtarget=pentium4 ;;
2854 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2855 *-sse3) echo -xarch=sse3 ;;
2856 core2) echo -xarch=ssse3 -xchip=core2 ;;
2857 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2858 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2859 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
2860 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2861 k8|opteron|athlon64|athlon-fx)
2862 echo -xarch=sse2a ;;
2863 athlon*) echo -xarch=pentium_proa ;;
2864 esac
2865 ;;
2866 -std=c99) echo -xc99 ;;
2867 -fomit-frame-pointer) echo -xregs=frameptr ;;
2868 -fPIC) echo -KPIC -xcode=pic32 ;;
2869 -W*,*) echo $flag ;;
2870 -f*-*|-W*|-mimpure-text) ;;
2871 -shared) echo -G ;;
2872 *) echo $flag ;;
2873 esac
2874 done
2875 }
2876
2877 tms470_flags(){
2878 for flag; do
2879 case $flag in
2880 -march=*|-mcpu=*)
2881 case "${flag#*=}" in
2882 armv7-a|cortex-a*) echo -mv=7a8 ;;
2883 armv7-r|cortex-r*) echo -mv=7r4 ;;
2884 armv7-m|cortex-m*) echo -mv=7m3 ;;
2885 armv6*|arm11*) echo -mv=6 ;;
2886 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2887 echo -mv=5e ;;
2888 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2889 esac
2890 ;;
2891 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2892 -mfpu=vfp) echo --float_support=vfpv2 ;;
2893 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2894 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
2895 -msoft-float) echo --float_support=vfplib ;;
2896 -O[0-3]|-mf=*) echo $flag ;;
2897 -g) echo -g -mn ;;
2898 -pds=*) echo $flag ;;
2899 -D*|-I*) echo $flag ;;
2900 --gcc|--abi=*) echo $flag ;;
2901 -me) echo $flag ;;
2902 esac
2903 done
2904 }
2905
2906 probe_cc(){
2907 pfx=$1
2908 _cc=$2
2909
2910 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2911 unset _ld_o _ldflags _ld_lib _ld_path
2912 unset _depflags _DEPCMD _DEPFLAGS
2913 _flags_filter=echo
2914
2915 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2916 _type=llvm_gcc
2917 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2918 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2919 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2920 _cflags_speed='-O3'
2921 _cflags_size='-Os'
2922 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2923 _type=gcc
2924 gcc_version=$($_cc --version | head -n1)
2925 gcc_basever=$($_cc -dumpversion)
2926 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2927 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2928 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2929 if ! $_cc -dumpversion | grep -q '^2\.'; then
2930 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2931 fi
2932 _cflags_speed='-O3'
2933 _cflags_size='-Os'
2934 elif $_cc --version 2>/dev/null | grep -q ^icc; then
2935 _type=icc
2936 _ident=$($_cc --version | head -n1)
2937 _depflags='-MMD'
2938 _cflags_speed='-O3'
2939 _cflags_size='-Os'
2940 _cflags_noopt='-O1'
2941 elif $_cc -v 2>&1 | grep -q xlc; then
2942 _type=xlc
2943 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2944 _cflags_speed='-O5'
2945 _cflags_size='-O5 -qcompact'
2946 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2947 _type=ccc
2948 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2949 _DEPFLAGS='-M'
2950 _cflags_speed='-fast'
2951 _cflags_size='-O1'
2952 _flags_filter=ccc_flags
2953 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
2954 test -d "$sysroot" || die "No valid sysroot specified."
2955 _type=armcc
2956 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
2957 armcc_conf="$PWD/armcc.conf"
2958 $_cc --arm_linux_configure \
2959 --arm_linux_config_file="$armcc_conf" \
2960 --configure_sysroot="$sysroot" \
2961 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2962 die "Error creating armcc configuration file."
2963 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2964 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2965 as_default="${cross_prefix}gcc"
2966 _depflags='-MMD'
2967 _cflags_speed='-O3'
2968 _cflags_size='-Os'
2969 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2970 _type=tms470
2971 _ident=$($_cc -version | head -n1 | tr -s ' ')
2972 _flags='--gcc --abi=eabi -me'
2973 _cc_e='-ppl -fe=$@'
2974 _cc_o='-fe=$@'
2975 _depflags='-ppa -ppd=$(@:.o=.d)'
2976 _cflags_speed='-O3 -mf=5'
2977 _cflags_size='-O3 -mf=2'
2978 _flags_filter=tms470_flags
2979 elif $_cc -v 2>&1 | grep -q clang; then
2980 _type=clang
2981 _ident=$($_cc --version | head -n1)
2982 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2983 _cflags_speed='-O3'
2984 _cflags_size='-Os'
2985 elif $_cc -V 2>&1 | grep -q Sun; then
2986 _type=suncc
2987 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2988 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2989 _DEPFLAGS='-xM1 -xc99'
2990 _ldflags='-std=c99'
2991 _cflags_speed='-O5'
2992 _cflags_size='-O5 -xspace'
2993 _flags_filter=suncc_flags
2994 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2995 _type=pathscale
2996 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2997 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2998 _cflags_speed='-O2'
2999 _cflags_size='-Os'
3000 _flags_filter='filter_out -Wdisabled-optimization'
3001 elif $_cc -v 2>&1 | grep -q Open64; then
3002 _type=open64
3003 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3004 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3005 _cflags_speed='-O2'
3006 _cflags_size='-Os'
3007 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3008 elif $_cc -V 2>&1 | grep -q Portland; then
3009 _type=pgi
3010 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3011 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3012 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3013 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3014 _cflags_noopt="-O1"
3015 _flags_filter=pgi_flags
3016 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3017 _type=armasm
3018 _ident=$($_cc | head -n1)
3019 # 4509: "This form of conditional instruction is deprecated"
3020 _flags="-nologo -ignore 4509"
3021 _flags_filter=armasm_flags
3022 elif $_cc 2>&1 | grep -q Microsoft; then
3023 _type=msvc
3024 _ident=$($_cc 2>&1 | head -n1)
3025 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3026 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3027 _cflags_speed="-O2"
3028 _cflags_size="-O1"
3029 if $_cc 2>&1 | grep -q Linker; then
3030 _ld_o='-out:$@'
3031 else
3032 _ld_o='-Fe$@'
3033 fi
3034 _cc_o='-Fo$@'
3035 _cc_e='-P -Fi$@'
3036 _flags_filter=msvc_flags
3037 _ld_lib='lib%.a'
3038 _ld_path='-libpath:'
3039 _flags='-nologo'
3040 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3041 elif $_cc 2>&1 | grep -q Intel; then
3042 _type=icl
3043 _ident=$($_cc 2>&1 | head -n1)
3044 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3045 # Not only is O3 broken on 13.x+ but it is slower on all previous
3046 # versions (tested) as well.
3047 _cflags_speed="-O2"
3048 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3049 if $_cc 2>&1 | grep -q Linker; then
3050 _ld_o='-out:$@'
3051 else
3052 _ld_o='-Fe$@'
3053 fi
3054 _cc_o='-Fo$@'
3055 _cc_e='-P'
3056 _flags_filter=icl_flags
3057 _ld_lib='lib%.a'
3058 _ld_path='-libpath:'
3059 # -Qdiag-error to make icl error when seeing certain unknown arguments
3060 _flags='-nologo -Qdiag-error:4044,10157'
3061 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3062 # with MSVC which enables it by default.
3063 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
3064 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3065 _type=cparser
3066 _ident=$($_cc --version | head -n1)
3067 _depflags='-MMD'
3068 _cflags_speed='-O4'
3069 _cflags_size='-O2'
3070 _flags_filter=cparser_flags
3071 fi
3072
3073 eval ${pfx}_type=\$_type
3074 eval ${pfx}_ident=\$_ident
3075 }
3076
3077 set_ccvars(){
3078 eval ${1}_C=\${_cc_c-\${${1}_C}}
3079 eval ${1}_E=\${_cc_e-\${${1}_E}}
3080 eval ${1}_O=\${_cc_o-\${${1}_O}}
3081
3082 if [ -n "$_depflags" ]; then
3083 eval ${1}_DEPFLAGS=\$_depflags
3084 else
3085 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3086 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3087 eval DEP${1}FLAGS=\$_flags
3088 fi
3089 }
3090
3091 probe_cc cc "$cc"
3092 cflags_filter=$_flags_filter
3093 cflags_speed=$_cflags_speed
3094 cflags_size=$_cflags_size
3095 cflags_noopt=$_cflags_noopt
3096 add_cflags $_flags $_cflags
3097 cc_ldflags=$_ldflags
3098 set_ccvars CC
3099
3100 probe_cc hostcc "$host_cc"
3101 host_cflags_filter=$_flags_filter
3102 add_host_cflags $_flags $_cflags
3103 set_ccvars HOSTCC
3104
3105 test -n "$cc_type" && enable $cc_type ||
3106 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3107
3108 : ${as_default:=$cc}
3109 : ${dep_cc_default:=$cc}
3110 : ${ld_default:=$cc}
3111 : ${host_ld_default:=$host_cc}
3112 set_default ar as dep_cc ld host_ld
3113
3114 probe_cc as "$as"
3115 asflags_filter=$_flags_filter
3116 add_asflags $_flags $_cflags
3117 set_ccvars AS
3118
3119 probe_cc ld "$ld"
3120 ldflags_filter=$_flags_filter
3121 add_ldflags $_flags $_ldflags
3122 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3123 LD_O=${_ld_o-$LD_O}
3124 LD_LIB=${_ld_lib-$LD_LIB}
3125 LD_PATH=${_ld_path-$LD_PATH}
3126
3127 probe_cc hostld "$host_ld"
3128 host_ldflags_filter=$_flags_filter
3129 add_host_ldflags $_flags $_ldflags
3130 HOSTLD_O=${_ld_o-$HOSTLD_O}
3131
3132 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3133 probe_cc depcc "$dep_cc"
3134 CCDEP=${_DEPCMD:-$DEPCMD}
3135 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3136 DEPCCFLAGS=$_flags
3137 fi
3138
3139 if $ar 2>&1 | grep -q Microsoft; then
3140 arflags="-nologo"
3141 ar_o='-out:$@'
3142 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3143 arflags="rq"
3144 ar_o='$@'
3145 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3146 arflags='-Xany -r -c'
3147 ar_o='$@'
3148 else
3149 arflags="rc"
3150 ar_o='$@'
3151 fi
3152
3153 add_cflags $extra_cflags
3154 add_asflags $extra_cflags
3155
3156 if test -n "$sysroot"; then
3157 case "$cc_type" in
3158 gcc|llvm_gcc|clang)
3159 add_cppflags --sysroot="$sysroot"
3160 add_ldflags --sysroot="$sysroot"
3161 ;;
3162 tms470)
3163 add_cppflags -I"$sysinclude"
3164 add_ldflags --sysroot="$sysroot"
3165 ;;
3166 esac
3167 fi
3168
3169 if test "$cpu" = host; then
3170 enabled cross_compile &&
3171 die "--cpu=host makes no sense when cross-compiling."
3172
3173 case "$cc_type" in
3174 gcc|llvm_gcc)
3175 check_native(){
3176 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3177 sed -n "/cc1.*$1=/{
3178 s/.*$1=\\([^ ]*\\).*/\\1/
3179 p
3180 q
3181 }" $TMPE
3182 }
3183 cpu=$(check_native -march || check_native -mcpu)
3184 ;;
3185 esac
3186
3187 test "${cpu:-host}" = host &&
3188 die "--cpu=host not supported with compiler $cc"
3189 fi
3190
3191 # Deal with common $arch aliases
3192 case "$arch" in
3193 aarch64|arm64)
3194 arch="aarch64"
3195 ;;
3196 arm*)
3197 arch="arm"
3198 ;;
3199 mips*|IP*)
3200 arch="mips"
3201 ;;
3202 parisc*|hppa*)
3203 arch="parisc"
3204 ;;
3205 "Power Macintosh"|ppc*|powerpc*)
3206 arch="ppc"
3207 ;;
3208 s390|s390x)
3209 arch="s390"
3210 ;;
3211 sh4|sh)
3212 arch="sh4"
3213 ;;
3214 sun4u|sparc*)
3215 arch="sparc"
3216 ;;
3217 tilegx|tile-gx)
3218 arch="tilegx"
3219 ;;
3220 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3221 arch="x86"
3222 ;;
3223 esac
3224
3225 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3226 enable $arch
3227
3228 # Add processor-specific flags
3229 if enabled aarch64; then
3230
3231 case $cpu in
3232 armv*)
3233 cpuflags="-march=$cpu"
3234 ;;
3235 *)
3236 cpuflags="-mcpu=$cpu"
3237 ;;
3238 esac
3239
3240 elif enabled alpha; then
3241
3242 cpuflags="-mcpu=$cpu"
3243
3244 elif enabled arm; then
3245
3246 check_arm_arch() {
3247 check_cpp_condition stddef.h \
3248 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3249 $cpuflags
3250 }
3251
3252 probe_arm_arch() {
3253 if check_arm_arch 4; then echo armv4;
3254 elif check_arm_arch 4T; then echo armv4t;
3255 elif check_arm_arch 5; then echo armv5;
3256 elif check_arm_arch 5E; then echo armv5e;
3257 elif check_arm_arch 5T; then echo armv5t;
3258 elif check_arm_arch 5TE; then echo armv5te;
3259 elif check_arm_arch 5TEJ; then echo armv5te;
3260 elif check_arm_arch 6; then echo armv6;
3261 elif check_arm_arch 6J; then echo armv6j;
3262 elif check_arm_arch 6K; then echo armv6k;
3263 elif check_arm_arch 6Z; then echo armv6z;
3264 elif check_arm_arch 6ZK; then echo armv6zk;
3265 elif check_arm_arch 6T2; then echo armv6t2;
3266 elif check_arm_arch 7; then echo armv7;
3267 elif check_arm_arch 7A 7_A; then echo armv7-a;
3268 elif check_arm_arch 7S; then echo armv7-a;
3269 elif check_arm_arch 7R 7_R; then echo armv7-r;
3270 elif check_arm_arch 7M 7_M; then echo armv7-m;
3271 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3272 elif check_arm_arch 8A 8_A; then echo armv8-a;
3273 fi
3274 }
3275
3276 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3277
3278 case $cpu in
3279 armv*)
3280 cpuflags="-march=$cpu"
3281 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3282 ;;
3283 *)
3284 cpuflags="-mcpu=$cpu"
3285 case $cpu in
3286 cortex-a*) subarch=armv7a ;;
3287 cortex-r*) subarch=armv7r ;;
3288 cortex-m*) enable thumb; subarch=armv7m ;;
3289 arm11*) subarch=armv6 ;;
3290 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3291 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3292 *) subarch=$(probe_arm_arch) ;;
3293 esac
3294 ;;
3295 esac
3296
3297 case "$subarch" in
3298 armv5t*) enable fast_clz ;;
3299 armv[6-8]*) enable fast_clz fast_unaligned ;;
3300 esac
3301
3302 elif enabled avr32; then
3303
3304 case $cpu in
3305 ap7[02]0[0-2])
3306 subarch="avr32_ap"
3307 cpuflags="-mpart=$cpu"
3308 ;;
3309 ap)
3310 subarch="avr32_ap"
3311 cpuflags="-march=$cpu"
3312 ;;
3313 uc3[ab]*)
3314 subarch="avr32_uc"
3315 cpuflags="-mcpu=$cpu"
3316 ;;
3317 uc)
3318 subarch="avr32_uc"
3319 cpuflags="-march=$cpu"
3320 ;;
3321 esac
3322
3323 elif enabled bfin; then
3324
3325 cpuflags="-mcpu=$cpu"
3326
3327 elif enabled mips; then
3328
3329 cpuflags="-march=$cpu"
3330
3331 elif enabled ppc; then
3332
3333 disable ldbrx
3334
3335 case $(tolower $cpu) in
3336 601|ppc601|powerpc601)
3337 cpuflags="-mcpu=601"
3338 disable altivec
3339 ;;
3340 603*|ppc603*|powerpc603*)
3341 cpuflags="-mcpu=603"
3342 disable altivec
3343 ;;
3344 604*|ppc604*|powerpc604*)
3345 cpuflags="-mcpu=604"
3346 disable altivec
3347 ;;
3348 g3|75*|ppc75*|powerpc75*)
3349 cpuflags="-mcpu=750"
3350 disable altivec
3351 ;;
3352 g4|745*|ppc745*|powerpc745*)
3353 cpuflags="-mcpu=7450"
3354 disable vsx
3355 ;;
3356 74*|ppc74*|powerpc74*)
3357 cpuflags="-mcpu=7400"
3358 disable vsx
3359 ;;
3360 g5|970|ppc970|powerpc970)
3361 cpuflags="-mcpu=970"
3362 disable vsx
3363 ;;
3364 power[3-6]*)
3365 cpuflags="-mcpu=$cpu"
3366 disable vsx
3367 ;;
3368 power[7-8]*)
3369 cpuflags="-mcpu=$cpu"
3370 enable ldbrx
3371 ;;
3372 cell)
3373 cpuflags="-mcpu=cell"
3374 enable ldbrx
3375 disable vsx
3376 ;;
3377 e500mc)
3378 cpuflags="-mcpu=e500mc"
3379 disable altivec
3380 ;;
3381 e500v2)
3382 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3383 disable altivec
3384 disable dcbzl
3385 ;;
3386 e500)
3387 cpuflags="-mcpu=8540 -mhard-float"
3388 disable altivec
3389 disable dcbzl
3390 ;;
3391 esac
3392
3393 elif enabled sparc; then
3394
3395 case $cpu in
3396 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3397 cpuflags="-mcpu=$cpu"
3398 ;;
3399 ultrasparc*|niagara[234])
3400 cpuflags="-mcpu=$cpu"
3401 ;;
3402 esac
3403
3404 elif enabled x86; then
3405
3406 case $cpu in
3407 i[345]86|pentium)
3408 cpuflags="-march=$cpu"
3409 disable i686
3410 disable mmx
3411 ;;
3412 # targets that do NOT support nopl and conditional mov (cmov)
3413 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3414 cpuflags="-march=$cpu"
3415 disable i686
3416 ;;
3417 # targets that do support nopl and conditional mov (cmov)
3418 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3419 cpuflags="-march=$cpu"
3420 enable i686
3421 enable fast_cmov
3422 ;;
3423 # targets that do support conditional mov but on which it's slow
3424 pentium4|pentium4m|prescott|nocona)
3425 cpuflags="-march=$cpu"
3426 enable i686
3427 disable fast_cmov
3428 ;;
3429 esac
3430
3431 fi
3432
3433 if [ "$cpu" != generic ]; then
3434 add_cflags $cpuflags
3435 add_asflags $cpuflags
3436 fi
3437
3438 # compiler sanity check
3439 check_exec <<EOF
3440 int main(void){ return 0; }
3441 EOF
3442 if test "$?" != 0; then
3443 echo "$cc is unable to create an executable file."
3444 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3445 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3446 echo "Only do this if you know what cross compiling means."
3447 fi
3448 die "C compiler test failed."
3449 fi
3450
3451 add_cppflags -D_ISOC99_SOURCE
3452 check_cflags -std=c99
3453 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3454 #include <stdlib.h>
3455 EOF
3456 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3457 #include <stdlib.h>
3458 EOF
3459
3460 add_host_cppflags -D_ISOC99_SOURCE
3461 check_host_cflags -std=c99
3462 check_host_cflags -Wall
3463 check_host_cflags -O3
3464
3465 check_64bit(){
3466 arch32=$1
3467 arch64=$2
3468 expr=$3
3469 check_code cc "" "int test[2*($expr) - 1]" &&
3470 subarch=$arch64 || subarch=$arch32
3471 }
3472
3473 case "$arch" in
3474 aarch64|alpha|ia64)
3475 spic=$shared
3476 ;;
3477 mips)
3478 check_64bit mips mips64 '_MIPS_SIM > 1'
3479 spic=$shared
3480 ;;
3481 parisc)
3482 check_64bit parisc parisc64 'sizeof(void *) > 4'
3483 spic=$shared
3484 ;;
3485 ppc)
3486 check_64bit ppc ppc64 'sizeof(void *) > 4'
3487 spic=$shared
3488 ;;
3489 s390)
3490 check_64bit s390 s390x 'sizeof(void *) > 4'
3491 spic=$shared
3492 ;;
3493 sparc)
3494 check_64bit sparc sparc64 'sizeof(void *) > 4'
3495 spic=$shared
3496 ;;
3497 x86)
3498 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3499 if test "$subarch" = "x86_64"; then
3500 spic=$shared
3501 fi
3502 ;;
3503 esac
3504
3505 enable $subarch
3506 enabled spic && enable_weak pic
3507
3508 # OS specific
3509 case $target_os in
3510 aix)
3511 SHFLAGS=-shared
3512 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3513 enabled shared && add_ldflags -Wl,-brtl
3514 ;;
3515 android)
3516 disable symver
3517 enable section_data_rel_ro
3518 SLIB_INSTALL_NAME='$(SLIBNAME)'
3519 SLIB_INSTALL_LINKS=
3520 # soname not set on purpose
3521 SHFLAGS=-shared
3522 ;;
3523 haiku)
3524 prefix_default="/boot/common"
3525 network_extralibs="-lnetwork"
3526 host_libs=
3527 ;;
3528 sunos)
3529 SHFLAGS='-shared -Wl,-h,$$(@F)'
3530 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3531 network_extralibs="-lsocket -lnsl"
3532 # When using suncc to build, the Solaris linker will mark
3533 # an executable with each instruction set encountered by
3534 # the Solaris assembler. As our libraries contain their own
3535 # guards for processor-specific code, instead suppress
3536 # generation of the HWCAPS ELF section on Solaris x86 only.
3537 enabled_all suncc x86 &&
3538 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3539 add_ldflags -Wl,-M,mapfile
3540 nm_default='nm -P -g'
3541 ;;
3542 netbsd)
3543 disable symver
3544 oss_indev_extralibs="-lossaudio"
3545 oss_outdev_extralibs="-lossaudio"
3546 ;;
3547 openbsd|bitrig)
3548 disable symver
3549 SHFLAGS='-shared'
3550 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3551 SLIB_INSTALL_LINKS=
3552 oss_indev_extralibs="-lossaudio"
3553 oss_outdev_extralibs="-lossaudio"
3554 ;;
3555 dragonfly)
3556 disable symver
3557 ;;
3558 freebsd)
3559 ;;
3560 bsd/os)
3561 add_extralibs -lpoll -lgnugetopt
3562 ;;
3563 darwin)
3564 enabled ppc && add_asflags -force_cpusubtype_ALL
3565 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3566 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3567 add_ldflags -Wl,-dynamic,-search_paths_first
3568 SLIBSUF=".dylib"
3569 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3570 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3571 objformat="macho"
3572 enabled x86_64 && objformat="macho64"
3573 enabled_any pic shared ||
3574 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3575 ;;
3576 mingw32*)
3577 if test $target_os = "mingw32ce"; then
3578 disable network
3579 else
3580 target_os=mingw32
3581 fi
3582 LIBTARGET=i386
3583 if enabled x86_64; then
3584 LIBTARGET="i386:x86-64"
3585 elif enabled arm; then
3586 LIBTARGET=arm-wince
3587 fi
3588 check_ldflags -Wl,--nxcompat
3589 check_ldflags -Wl,--dynamicbase
3590 shlibdir_default="$bindir_default"
3591 SLIBPREF=""
3592 SLIBSUF=".dll"
3593 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3594 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3595 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3596 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3597 SLIB_INSTALL_LINKS=
3598 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3599 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3600 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3601 objformat="win32"
3602 dlltool="${cross_prefix}dlltool"
3603 ranlib=:
3604 enable dos_paths
3605 ;;
3606 win32|win64)
3607 disable symver
3608 if enabled shared; then
3609 # Link to the import library instead of the normal static library
3610 # for shared libs.
3611 LD_LIB='%.lib'
3612 # Cannot build both shared and static libs with MSVC or icl.
3613 disable static
3614 fi
3615 shlibdir_default="$bindir_default"
3616 SLIBPREF=""
3617 SLIBSUF=".dll"
3618 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3619 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3620 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3621 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3622 SLIB_INSTALL_LINKS=
3623 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3624 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3625 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3626 objformat="win32"
3627 ranlib=:
3628 enable dos_paths
3629 ;;
3630 cygwin*)
3631 target_os=cygwin
3632 shlibdir_default="$bindir_default"
3633 SLIBPREF="cyg"
3634 SLIBSUF=".dll"
3635 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3636 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3637 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3638 SLIB_INSTALL_LINKS=
3639 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3640 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3641 objformat="win32"
3642 enable dos_paths
3643 ;;
3644 *-dos|freedos|opendos)
3645 network_extralibs="-lsocket"
3646 objformat="coff"
3647 enable dos_paths
3648 add_cppflags -U__STRICT_ANSI__
3649 ;;
3650 linux)
3651 enable dv1394
3652 enable section_data_rel_ro
3653 ;;
3654 irix*)
3655 target_os=irix
3656 ranlib="echo ignoring ranlib"
3657 ;;
3658 os/2*)
3659 ln_s="cp -f"
3660 objformat="aout"
3661 add_cppflags -D_GNU_SOURCE
3662 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3663 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3664 LIBSUF="_s.a"
3665 SLIBPREF=""
3666 SLIBSUF=".dll"
3667 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3668 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3669 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3670 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3671 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3672 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3673 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3674 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3675 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3676 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3677 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3678 enable dos_paths
3679 ;;
3680 gnu/kfreebsd)
3681 add_cppflags -D_BSD_SOURCE
3682 ;;
3683 gnu)
3684 ;;
3685 qnx)
3686 add_cppflags -D_QNX_SOURCE
3687 network_extralibs="-lsocket"
3688 ;;
3689 symbian)
3690 SLIBSUF=".dll"
3691 enable dos_paths
3692 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3693 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3694 add_ldflags -Wl,--target1-abs,--no-undefined \
3695 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3696 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3697 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3698 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3699 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3700 ;;
3701 osf1)
3702 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3703 ;;
3704 minix)
3705 ;;
3706 plan9)
3707 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3708 -D_REENTRANT_SOURCE \
3709 -D_RESEARCH_SOURCE \