build: Add support for known custom allocators
[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 --custom-allocator=NAME use a supported custom allocator
272 --disable-symver disable symbol versioning
273 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
274 --disable-safe-bitstream-reader
275 disable buffer boundary checking in bitreaders
276 (faster, but may crash)
277 --enable-memalign-hack emulate memalign, interferes with memory debuggers
278 --enable-sram allow use of on-chip SRAM
279
280 Optimization options (experts only):
281 --disable-asm disable all assembly optimizations
282 --disable-altivec disable AltiVec optimizations
283 --disable-vsx disable VSX optimizations
284 --disable-power8 disable POWER8 optimizations
285 --disable-amd3dnow disable 3DNow! optimizations
286 --disable-amd3dnowext disable 3DNow! extended optimizations
287 --disable-mmx disable MMX optimizations
288 --disable-mmxext disable MMXEXT optimizations
289 --disable-sse disable SSE optimizations
290 --disable-sse2 disable SSE2 optimizations
291 --disable-sse3 disable SSE3 optimizations
292 --disable-ssse3 disable SSSE3 optimizations
293 --disable-sse4 disable SSE4 optimizations
294 --disable-sse42 disable SSE4.2 optimizations
295 --disable-avx disable AVX optimizations
296 --disable-xop disable XOP optimizations
297 --disable-fma3 disable FMA3 optimizations
298 --disable-fma4 disable FMA4 optimizations
299 --disable-avx2 disable AVX2 optimizations
300 --disable-armv5te disable armv5te optimizations
301 --disable-armv6 disable armv6 optimizations
302 --disable-armv6t2 disable armv6t2 optimizations
303 --disable-vfp disable VFP optimizations
304 --disable-neon disable NEON optimizations
305 --disable-inline-asm disable use of inline assembly
306 --disable-yasm disable use of nasm/yasm assembly
307
308 Developer options (useful when working on Libav itself):
309 --disable-debug disable debugging symbols
310 --enable-debug=LEVEL set the debug level [$debuglevel]
311 --disable-optimizations disable compiler optimizations
312 --enable-extra-warnings enable more compiler warnings
313 --samples=PATH location of test samples for FATE, if not set use
314 \$LIBAV_SAMPLES at make invocation time.
315 --enable-neon-clobber-test check NEON registers for clobbering (should be
316 used only for debugging purposes)
317 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
318 should be used only for debugging purposes)
319 --enable-random randomly enable/disable components
320 --disable-random
321 --enable-random=LIST randomly enable/disable specific components or
322 --disable-random=LIST component groups. LIST is a comma-separated list
323 of NAME[:PROB] entries where NAME is a component
324 (group) and PROB the probability associated with
325 NAME (default 0.5).
326 --random-seed=VALUE seed value for --enable/disable-random
327 --disable-valgrind-backtrace do not print a backtrace under Valgrind
328 (only applies to --disable-optimizations builds)
329
330 NOTE: Object files are built at the place where configure is launched.
331 EOF
332 exit 0
333 }
334
335 quotes='""'
336
337 log(){
338 echo "$@" >> $logfile
339 }
340
341 log_file(){
342 log BEGIN $1
343 pr -n -t $1 >> $logfile
344 log END $1
345 }
346
347 echolog(){
348 log "$@"
349 echo "$@"
350 }
351
352 warn(){
353 log "WARNING: $*"
354 WARNINGS="${WARNINGS}WARNING: $*\n"
355 }
356
357 die(){
358 echolog "$@"
359 cat <<EOF
360
361 If you think configure made a mistake, make sure you are using the latest
362 version from Git. If the latest version fails, report the problem to the
363 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
364 EOF
365 if disabled logging; then
366 cat <<EOF
367 Rerun configure with logging enabled (do not use --disable-logging), and
368 include the log this produces with your report.
369 EOF
370 else
371 cat <<EOF
372 Include the log file "$logfile" produced by configure as this will help
373 solving the problem.
374 EOF
375 fi
376 exit 1
377 }
378
379 # Avoid locale weirdness, besides we really just want to translate ASCII.
380 toupper(){
381 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
382 }
383
384 tolower(){
385 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
386 }
387
388 c_escape(){
389 echo "$*" | sed 's/["\\]/\\\0/g'
390 }
391
392 sh_quote(){
393 v=$(echo "$1" | sed "s/'/'\\\\''/g")
394 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
395 echo "$v"
396 }
397
398 cleanws(){
399 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
400 }
401
402 filter(){
403 pat=$1
404 shift
405 for v; do
406 eval "case $v in $pat) echo $v ;; esac"
407 done
408 }
409
410 filter_out(){
411 pat=$1
412 shift
413 for v; do
414 eval "case $v in $pat) ;; *) echo $v ;; esac"
415 done
416 }
417
418 map(){
419 m=$1
420 shift
421 for v; do eval $m; done
422 }
423
424 add_suffix(){
425 suffix=$1
426 shift
427 for v; do echo ${v}${suffix}; done
428 }
429
430 set_all(){
431 value=$1
432 shift
433 for var in $*; do
434 eval $var=$value
435 done
436 }
437
438 set_weak(){
439 value=$1
440 shift
441 for var; do
442 eval : \${$var:=$value}
443 done
444 }
445
446 sanitize_var_name(){
447 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
448 }
449
450 set_safe(){
451 var=$1
452 shift
453 eval $(sanitize_var_name "$var")='$*'
454 }
455
456 get_safe(){
457 eval echo \$$(sanitize_var_name "$1")
458 }
459
460 pushvar(){
461 for pvar in $*; do
462 eval level=\${${pvar}_level:=0}
463 eval ${pvar}_${level}="\$$pvar"
464 eval ${pvar}_level=$(($level+1))
465 done
466 }
467
468 popvar(){
469 for pvar in $*; do
470 eval level=\${${pvar}_level:-0}
471 test $level = 0 && continue
472 eval level=$(($level-1))
473 eval $pvar="\${${pvar}_${level}}"
474 eval ${pvar}_level=$level
475 eval unset ${pvar}_${level}
476 done
477 }
478
479 enable(){
480 set_all yes $*
481 }
482
483 disable(){
484 set_all no $*
485 }
486
487 enable_weak(){
488 set_weak yes $*
489 }
490
491 disable_weak(){
492 set_weak no $*
493 }
494
495 enable_safe(){
496 for var; do
497 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
498 done
499 }
500
501 disable_safe(){
502 for var; do
503 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
504 done
505 }
506
507 do_enable_deep(){
508 for var; do
509 enabled $var && continue
510 eval sel="\$${var}_select"
511 eval sgs="\$${var}_suggest"
512 pushvar var sgs
513 enable_deep $sel
514 popvar sgs
515 enable_deep_weak $sgs
516 popvar var
517 done
518 }
519
520 enable_deep(){
521 do_enable_deep $*
522 enable $*
523 }
524
525 enable_deep_weak(){
526 for var; do
527 disabled $var && continue
528 pushvar var
529 do_enable_deep $var
530 popvar var
531 enable_weak $var
532 done
533 }
534
535 enabled(){
536 test "${1#!}" = "$1" && op== || op=!=
537 eval test "x\$${1#!}" $op "xyes"
538 }
539
540 disabled(){
541 test "${1#!}" = "$1" && op== || op=!=
542 eval test "x\$${1#!}" $op "xno"
543 }
544
545 enabled_all(){
546 for opt; do
547 enabled $opt || return 1
548 done
549 }
550
551 disabled_all(){
552 for opt; do
553 disabled $opt || return 1
554 done
555 }
556
557 enabled_any(){
558 for opt; do
559 enabled $opt && return 0
560 done
561 }
562
563 disabled_any(){
564 for opt; do
565 disabled $opt && return 0
566 done
567 return 1
568 }
569
570 set_default(){
571 for opt; do
572 eval : \${$opt:=\$${opt}_default}
573 done
574 }
575
576 is_in(){
577 value=$1
578 shift
579 for var in $*; do
580 [ $var = $value ] && return 0
581 done
582 return 1
583 }
584
585 do_check_deps(){
586 for cfg; do
587 cfg="${cfg#!}"
588 enabled ${cfg}_checking && die "Circular dependency for $cfg."
589 disabled ${cfg}_checking && continue
590 enable ${cfg}_checking
591 append allopts $cfg
592
593 eval dep_all="\$${cfg}_deps"
594 eval dep_any="\$${cfg}_deps_any"
595 eval dep_sel="\$${cfg}_select"
596 eval dep_sgs="\$${cfg}_suggest"
597 eval dep_ifa="\$${cfg}_if"
598 eval dep_ifn="\$${cfg}_if_any"
599
600 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
601 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
602 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
603
604 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
605 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
606 enabled_all $dep_all || disable $cfg
607 enabled_any $dep_any || disable $cfg
608 disabled_any $dep_sel && disable $cfg
609
610 if enabled $cfg; then
611 enable_deep $dep_sel
612 enable_deep_weak $dep_sgs
613 fi
614
615 disable ${cfg}_checking
616 done
617 }
618
619 check_deps(){
620 unset allopts
621
622 do_check_deps "$@"
623
624 for cfg in $allopts; do
625 enabled $cfg || continue
626 eval dep_extralibs="\$${cfg}_extralibs"
627 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
628 done
629 }
630
631 print_config(){
632 pfx=$1
633 files=$2
634 shift 2
635 map 'eval echo "$v \${$v:-no}"' "$@" |
636 awk "BEGIN { split(\"$files\", files) }
637 {
638 c = \"$pfx\" toupper(\$1);
639 v = \$2;
640 sub(/yes/, 1, v);
641 sub(/no/, 0, v);
642 for (f in files) {
643 file = files[f];
644 if (file ~ /\\.h\$/) {
645 printf(\"#define %s %d\\n\", c, v) >>file;
646 } else if (file ~ /\\.asm\$/) {
647 printf(\"%%define %s %d\\n\", c, v) >>file;
648 } else if (file ~ /\\.mak\$/) {
649 n = -v ? \"\" : \"!\";
650 printf(\"%s%s=yes\\n\", n, c) >>file;
651 }
652 }
653 }"
654 }
655
656 print_enabled(){
657 suf=$1
658 shift
659 for v; do
660 enabled $v && printf "%s\n" ${v%$suf};
661 done
662 }
663
664 append(){
665 var=$1
666 shift
667 eval "$var=\"\$$var $*\""
668 }
669
670 prepend(){
671 var=$1
672 shift
673 eval "$var=\"$* \$$var\""
674 }
675
676 unique(){
677 var=$1
678 uniq_list=""
679 for tok in $(eval echo \$$var); do
680 uniq_list="$(filter_out $tok $uniq_list) $tok"
681 done
682 eval "$var=\"${uniq_list}\""
683 }
684
685 add_cppflags(){
686 append CPPFLAGS "$@"
687 }
688
689 add_cflags(){
690 append CFLAGS $($cflags_filter "$@")
691 }
692
693 add_asflags(){
694 append ASFLAGS $($asflags_filter "$@")
695 }
696
697 add_ldflags(){
698 append LDFLAGS $($ldflags_filter "$@")
699 }
700
701 add_ldexeflags(){
702 append LDEXEFLAGS $($ldflags_filter "$@")
703 }
704
705 add_stripflags(){
706 append STRIPFLAGS "$@"
707 }
708
709 add_extralibs(){
710 prepend extralibs $($ldflags_filter "$@")
711 }
712
713 add_host_cppflags(){
714 append host_cppflags "$@"
715 }
716
717 add_host_cflags(){
718 append host_cflags $($host_cflags_filter "$@")
719 }
720
721 add_host_ldflags(){
722 append host_ldflags $($host_ldflags_filter "$@")
723 }
724
725 add_compat(){
726 append compat_objs $1
727 shift
728 map 'add_cppflags -D$v' "$@"
729 }
730
731 check_cmd(){
732 log "$@"
733 "$@" >> $logfile 2>&1
734 }
735
736 cc_o(){
737 eval printf '%s\\n' $CC_O
738 }
739
740 cc_e(){
741 eval printf '%s\\n' $CC_E
742 }
743
744 check_cc(){
745 log check_cc "$@"
746 cat > $TMPC
747 log_file $TMPC
748 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
749 }
750
751 check_cpp(){
752 log check_cpp "$@"
753 cat > $TMPC
754 log_file $TMPC
755 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
756 }
757
758 as_o(){
759 eval printf '%s\\n' $AS_O
760 }
761
762 check_as(){
763 log check_as "$@"
764 cat > $TMPS
765 log_file $TMPS
766 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
767 }
768
769 check_inline_asm(){
770 log check_inline_asm "$@"
771 name="$1"
772 code="$2"
773 shift 2
774 disable $name
775 check_cc "$@" <<EOF && enable $name
776 void foo(void){ __asm__ volatile($code); }
777 EOF
778 }
779
780 check_insn(){
781 log check_insn "$@"
782 check_inline_asm ${1}_inline "\"$2\""
783 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
784 }
785
786 check_yasm(){
787 log check_yasm "$@"
788 echo "$1" > $TMPS
789 log_file $TMPS
790 shift 1
791 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
792 }
793
794 ld_o(){
795 eval printf '%s\\n' $LD_O
796 }
797
798 check_ld(){
799 log check_ld "$@"
800 flags=$(filter_out '-l*' "$@")
801 libs=$(filter '-l*' "$@")
802 check_cc $($cflags_filter $flags) || return
803 flags=$($ldflags_filter $flags)
804 libs=$($ldflags_filter $libs)
805 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
806 }
807
808 print_include(){
809 hdr=$1
810 test "${hdr%.h}" = "${hdr}" &&
811 echo "#include $hdr" ||
812 echo "#include <$hdr>"
813 }
814
815 check_code(){
816 log check_code "$@"
817 check=$1
818 headers=$2
819 code=$3
820 shift 3
821 {
822 for hdr in $headers; do
823 print_include $hdr
824 done
825 echo "int main(void) { $code; return 0; }"
826 } | check_$check "$@"
827 }
828
829 check_cppflags(){
830 log check_cppflags "$@"
831 check_cc "$@" <<EOF && append CPPFLAGS "$@"
832 int x;
833 EOF
834 }
835
836 test_cflags(){
837 log test_cflags "$@"
838 set -- $($cflags_filter "$@")
839 check_cc "$@" <<EOF
840 int x;
841 EOF
842 }
843
844 check_cflags(){
845 log check_cflags "$@"
846 test_cflags "$@" && add_cflags "$@"
847 }
848
849 test_ldflags(){
850 log test_ldflags "$@"
851 check_ld "$@" <<EOF
852 int main(void){ return 0; }
853 EOF
854 }
855
856 check_ldflags(){
857 log check_ldflags "$@"
858 test_ldflags "$@" && add_ldflags "$@"
859 }
860
861 test_stripflags(){
862 log test_stripflags "$@"
863 # call check_cc to get a fresh TMPO
864 check_cc <<EOF
865 int main(void) { return 0; }
866 EOF
867 check_cmd $strip $STRIPFLAGS "$@" $TMPO
868 }
869
870 check_stripflags(){
871 log check_stripflags "$@"
872 test_stripflags "$@" && add_stripflags "$@"
873 }
874
875 check_header(){
876 log check_header "$@"
877 header=$1
878 shift
879 disable_safe $header
880 check_cpp "$@" <<EOF && enable_safe $header
881 #include <$header>
882 int x;
883 EOF
884 }
885
886 check_func(){
887 log check_func "$@"
888 func=$1
889 shift
890 disable $func
891 check_ld "$@" <<EOF && enable $func
892 extern int $func();
893 int main(void){ $func(); }
894 EOF
895 }
896
897 check_mathfunc(){
898 log check_mathfunc "$@"
899 func=$1
900 narg=$2
901 shift 2
902 test $narg = 2 && args="f, g" || args="f"
903 disable $func
904 check_ld "$@" <<EOF && enable $func
905 #include <math.h>
906 float foo(float f, float g) { return $func($args); }
907 int main(void){ return 0; }
908 EOF
909 }
910
911 check_func_headers(){
912 log check_func_headers "$@"
913 headers=$1
914 funcs=$2
915 shift 2
916 {
917 for hdr in $headers; do
918 print_include $hdr
919 done
920 for func in $funcs; do
921 echo "long check_$func(void) { return (long) $func; }"
922 done
923 echo "int main(void) { return 0; }"
924 } | check_ld "$@" && enable $funcs && enable_safe $headers
925 }
926
927 check_cpp_condition(){
928 log check_cpp_condition "$@"
929 header=$1
930 condition=$2
931 shift 2
932 check_cpp "$@" <<EOF
933 #include <$header>
934 #if !($condition)
935 #error "unsatisfied condition: $condition"
936 #endif
937 EOF
938 }
939
940 check_lib(){
941 log check_lib "$@"
942 header="$1"
943 func="$2"
944 shift 2
945 check_header $header && check_func $func "$@" && add_extralibs "$@"
946 }
947
948 check_lib2(){
949 log check_lib2 "$@"
950 headers="$1"
951 funcs="$2"
952 shift 2
953 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
954 }
955
956 check_pkg_config(){
957 log check_pkg_config "$@"
958 pkg="$1"
959 headers="$2"
960 funcs="$3"
961 shift 3
962 check_cmd $pkg_config --exists --print-errors $pkg || return
963 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
964 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
965 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
966 set_safe "${pkg}_cflags" $pkg_cflags &&
967 set_safe "${pkg}_libs" $pkg_libs
968 }
969
970 check_exec(){
971 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
972 }
973
974 check_exec_crash(){
975 code=$(cat)
976
977 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
978 # are safe but may not be available everywhere. Thus we use
979 # raise(SIGTERM) instead. The check is run in a subshell so we
980 # can redirect the "Terminated" message from the shell. SIGBUS
981 # is not defined by standard C so it is used conditionally.
982
983 (check_exec "$@") >> $logfile 2>&1 <<EOF
984 #include <signal.h>
985 static void sighandler(int sig){
986 raise(SIGTERM);
987 }
988 int foo(void){
989 $code
990 }
991 int (*func_ptr)(void) = foo;
992 int main(void){
993 signal(SIGILL, sighandler);
994 signal(SIGFPE, sighandler);
995 signal(SIGSEGV, sighandler);
996 #ifdef SIGBUS
997 signal(SIGBUS, sighandler);
998 #endif
999 return func_ptr();
1000 }
1001 EOF
1002 }
1003
1004 check_type(){
1005 log check_type "$@"
1006 headers=$1
1007 type=$2
1008 shift 2
1009 disable_safe "$type"
1010 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1011 }
1012
1013 check_struct(){
1014 log check_struct "$@"
1015 headers=$1
1016 struct=$2
1017 member=$3
1018 shift 3
1019 disable_safe "${struct}_${member}"
1020 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1021 enable_safe "${struct}_${member}"
1022 }
1023
1024 check_builtin(){
1025 log check_builtin "$@"
1026 name=$1
1027 headers=$2
1028 builtin=$3
1029 shift 3
1030 disable "$name"
1031 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1032 }
1033
1034 check_compile_assert(){
1035 log check_compile_assert "$@"
1036 name=$1
1037 headers=$2
1038 condition=$3
1039 shift 3
1040 disable "$name"
1041 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1042 }
1043
1044 require(){
1045 name="$1"
1046 header="$2"
1047 func="$3"
1048 shift 3
1049 check_lib $header $func "$@" || die "ERROR: $name not found"
1050 }
1051
1052 require2(){
1053 name="$1"
1054 headers="$2"
1055 func="$3"
1056 shift 3
1057 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1058 }
1059
1060 require_pkg_config(){
1061 pkg="$1"
1062 check_pkg_config "$@" || die "ERROR: $pkg not found"
1063 add_cflags $(get_safe "${pkg}_cflags")
1064 add_extralibs $(get_safe "${pkg}_libs")
1065 }
1066
1067 hostcc_e(){
1068 eval printf '%s\\n' $HOSTCC_E
1069 }
1070
1071 hostcc_o(){
1072 eval printf '%s\\n' $HOSTCC_O
1073 }
1074
1075 check_host_cc(){
1076 log check_host_cc "$@"
1077 cat > $TMPC
1078 log_file $TMPC
1079 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1080 }
1081
1082 check_host_cpp(){
1083 log check_host_cpp "$@"
1084 cat > $TMPC
1085 log_file $TMPC
1086 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1087 }
1088
1089 check_host_cppflags(){
1090 log check_host_cppflags "$@"
1091 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1092 int x;
1093 EOF
1094 }
1095
1096 check_host_cflags(){
1097 log check_host_cflags "$@"
1098 set -- $($host_cflags_filter "$@")
1099 check_host_cc "$@" <<EOF && append host_cflags "$@"
1100 int x;
1101 EOF
1102 }
1103
1104 check_host_cpp_condition(){
1105 log check_host_cpp_condition "$@"
1106 header=$1
1107 condition=$2
1108 shift 2
1109 check_host_cpp "$@" <<EOF
1110 #include <$header>
1111 #if !($condition)
1112 #error "unsatisfied condition: $condition"
1113 #endif
1114 EOF
1115 }
1116
1117 apply(){
1118 file=$1
1119 shift
1120 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1121 }
1122
1123 cp_if_changed(){
1124 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1125 mkdir -p "$(dirname $2)"
1126 $cp_f "$1" "$2"
1127 }
1128
1129 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1130 # system-dependent things.
1131
1132 COMPONENT_LIST="
1133 bsfs
1134 decoders
1135 demuxers
1136 encoders
1137 filters
1138 hwaccels
1139 indevs
1140 muxers
1141 outdevs
1142 parsers
1143 protocols
1144 "
1145
1146 EXAMPLE_LIST="
1147 avcodec_example
1148 filter_audio_example
1149 metadata_example
1150 output_example
1151 qsvdec_example
1152 transcode_aac_example
1153 "
1154
1155 EXTERNAL_LIBRARY_LIST="
1156 avisynth
1157 bzlib
1158 frei0r
1159 gnutls
1160 libbs2b
1161 libcdio
1162 libdc1394
1163 libdcadec
1164 libfaac
1165 libfdk_aac
1166 libfontconfig
1167 libfreetype
1168 libgsm
1169 libilbc
1170 libmfx
1171 libmp3lame
1172 libopencore_amrnb
1173 libopencore_amrwb
1174 libopencv
1175 libopenh264
1176 libopenjpeg
1177 libopus
1178 libpulse
1179 librtmp
1180 libschroedinger
1181 libsnappy
1182 libspeex
1183 libtheora
1184 libtwolame
1185 libvo_aacenc
1186 libvo_amrwbenc
1187 libvorbis
1188 libvpx
1189 libwavpack
1190 libwebp
1191 libx264
1192 libx265
1193 libxavs
1194 libxcb
1195 libxcb_shm
1196 libxcb_xfixes
1197 libxvid
1198 mmal
1199 nvenc
1200 openssl
1201 x11grab
1202 zlib
1203 "
1204
1205 FEATURE_LIST="
1206 gray
1207 hardcoded_tables
1208 runtime_cpudetect
1209 safe_bitstream_reader
1210 shared
1211 small
1212 sram
1213 static
1214 swscale_alpha
1215 "
1216
1217 HWACCEL_LIST="
1218 d3d11va
1219 dxva2
1220 vaapi
1221 vda
1222 vdpau
1223 "
1224
1225 LIBRARY_LIST="
1226 avcodec
1227 avdevice
1228 avfilter
1229 avformat
1230 avresample
1231 avutil
1232 swscale
1233 "
1234
1235 LICENSE_LIST="
1236 gpl
1237 nonfree
1238 version3
1239 "
1240
1241 PROGRAM_LIST="
1242 avconv
1243 avplay
1244 avprobe
1245 "
1246
1247 SUBSYSTEM_LIST="
1248 dct
1249 doc
1250 error_resilience
1251 faan
1252 fft
1253 lsp
1254 lzo
1255 mdct
1256 network
1257 rdft
1258 "
1259
1260 CONFIG_LIST="
1261 $COMPONENT_LIST
1262 $EXAMPLE_LIST
1263 $EXTERNAL_LIBRARY_LIST
1264 $FEATURE_LIST
1265 $HWACCEL_LIST
1266 $LICENSE_LIST
1267 $LIBRARY_LIST
1268 $PROGRAM_LIST
1269 $SUBSYSTEM_LIST
1270 memalign_hack
1271 neon_clobber_test
1272 pic
1273 pod2man
1274 texi2html
1275 thumb
1276 valgrind_backtrace
1277 xmm_clobber_test
1278 "
1279
1280 THREADS_LIST="
1281 pthreads
1282 w32threads
1283 "
1284
1285 ATOMICS_LIST="
1286 atomics_gcc
1287 atomics_suncc
1288 atomics_win32
1289 "
1290
1291 ARCH_LIST="
1292 aarch64
1293 alpha
1294 arm
1295 avr32
1296 avr32_ap
1297 avr32_uc
1298 bfin
1299 ia64
1300 m68k
1301 mips
1302 mips64
1303 parisc
1304 ppc
1305 ppc64
1306 s390
1307 sh4
1308 sparc
1309 sparc64
1310 tilegx
1311 tilepro
1312 tomi
1313 x86
1314 x86_32
1315 x86_64
1316 "
1317
1318 ARCH_EXT_LIST_ARM="
1319 armv5te
1320 armv6
1321 armv6t2
1322 armv8
1323 neon
1324 vfp
1325 vfpv3
1326 "
1327
1328 ARCH_EXT_LIST_X86_SIMD="
1329 amd3dnow
1330 amd3dnowext
1331 avx
1332 avx2
1333 fma3
1334 fma4
1335 mmx
1336 mmxext
1337 sse
1338 sse2
1339 sse3
1340 sse4
1341 sse42
1342 ssse3
1343 xop
1344 "
1345
1346 ARCH_EXT_LIST_PPC="
1347 altivec
1348 dcbzl
1349 ldbrx
1350 power8
1351 ppc4xx
1352 vsx
1353 "
1354
1355 ARCH_EXT_LIST_X86="
1356 $ARCH_EXT_LIST_X86_SIMD
1357 cpunop
1358 i686
1359 "
1360
1361 ARCH_EXT_LIST_MIPS="
1362 loongson
1363 mips32r1
1364 mips64r1
1365 mips32r2
1366 mips64r2
1367 mips32r6
1368 mips64r6
1369 "
1370
1371 ARCH_EXT_LIST="
1372 $ARCH_EXT_LIST_ARM
1373 $ARCH_EXT_LIST_MIPS
1374 $ARCH_EXT_LIST_PPC
1375 $ARCH_EXT_LIST_X86
1376 vis
1377 "
1378
1379 ARCH_FEATURES="
1380 aligned_stack
1381 fast_64bit
1382 fast_clz
1383 fast_cmov
1384 local_aligned_8
1385 local_aligned_16
1386 simd_align_16
1387 "
1388
1389 BUILTIN_LIST="
1390 atomic_cas_ptr
1391 machine_rw_barrier
1392 MemoryBarrier
1393 mm_empty
1394 rdtsc
1395 sync_val_compare_and_swap
1396 "
1397 HAVE_LIST_CMDLINE="
1398 inline_asm
1399 symver
1400 yasm
1401 "
1402
1403 HAVE_LIST_PUB="
1404 bigendian
1405 fast_unaligned
1406 "
1407
1408 HEADERS_LIST="
1409 alsa_asoundlib_h
1410 altivec_h
1411 arpa_inet_h
1412 cdio_paranoia_h
1413 cdio_paranoia_paranoia_h
1414 dev_bktr_ioctl_bt848_h
1415 dev_bktr_ioctl_meteor_h
1416 dev_ic_bt8xx_h
1417 dev_video_bktr_ioctl_bt848_h
1418 dev_video_meteor_ioctl_meteor_h
1419 direct_h
1420 dlfcn_h
1421 d3d11_h
1422 dxva_h
1423 gsm_h
1424 io_h
1425 mach_mach_time_h
1426 machine_ioctl_bt848_h
1427 machine_ioctl_meteor_h
1428 malloc_h
1429 poll_h
1430 sndio_h
1431 soundcard_h
1432 sys_mman_h
1433 sys_param_h
1434 sys_resource_h
1435 sys_select_h
1436 sys_soundcard_h
1437 sys_time_h
1438 sys_un_h
1439 sys_videoio_h
1440 unistd_h
1441 valgrind_valgrind_h
1442 windows_h
1443 winsock2_h
1444 "
1445
1446 INTRINSICS_LIST="
1447 intrinsics_neon
1448 "
1449
1450 MATH_FUNCS="
1451 atanf
1452 atan2f
1453 cbrtf
1454 cosf
1455 exp2
1456 exp2f
1457 expf
1458 isinf
1459 isnan
1460 ldexpf
1461 llrint
1462 llrintf
1463 log2
1464 log2f
1465 log10f
1466 lrint
1467 lrintf
1468 powf
1469 rint
1470 round
1471 roundf
1472 sinf
1473 trunc
1474 truncf
1475 "
1476
1477 SYSTEM_FUNCS="
1478 aligned_malloc
1479 clock_gettime
1480 closesocket
1481 CommandLineToArgvW
1482 CoTaskMemFree
1483 CryptGenRandom
1484 dlopen
1485 fcntl
1486 flt_lim
1487 fork
1488 getaddrinfo
1489 gethrtime
1490 getopt
1491 GetProcessAffinityMask
1492 GetProcessMemoryInfo
1493 GetProcessTimes
1494 getrusage
1495 getservbyport
1496 GetSystemTimeAsFileTime
1497 gettimeofday
1498 gmtime_r
1499 inet_aton
1500 isatty
1501 jack_port_get_latency_range
1502 LoadLibrary
1503 localtime_r
1504 mach_absolute_time
1505 MapViewOfFile
1506 memalign
1507 mkstemp
1508 mmap
1509 mprotect
1510 nanosleep
1511 posix_memalign
1512 sched_getaffinity
1513 SetConsoleTextAttribute
1514 setmode
1515 setrlimit
1516 Sleep
1517 strerror_r
1518 sysconf
1519 sysctl
1520 usleep
1521 VirtualAlloc
1522 "
1523
1524 TOOLCHAIN_FEATURES="
1525 as_dn_directive
1526 as_func
1527 as_object_arch
1528 asm_mod_q
1529 attribute_may_alias
1530 attribute_packed
1531 ebp_available
1532 ebx_available
1533 gnu_as
1534 ibm_asm
1535 inline_asm_labels
1536 pragma_deprecated
1537 symver_asm_label
1538 symver_gnu_asm
1539 vfp_args
1540 xform_asm
1541 xmm_clobbers
1542 "
1543
1544 TYPES_LIST="
1545 CONDITION_VARIABLE_Ptr
1546 socklen_t
1547 struct_addrinfo
1548 struct_group_source_req
1549 struct_ip_mreq_source
1550 struct_ipv6_mreq
1551 struct_pollfd
1552 struct_rusage_ru_maxrss
1553 struct_sockaddr_in6
1554 struct_sockaddr_sa_len
1555 struct_sockaddr_storage
1556 struct_v4l2_frmivalenum_discrete
1557 "
1558
1559 HAVE_LIST="
1560 $ARCH_EXT_LIST
1561 $(add_suffix _external $ARCH_EXT_LIST)
1562 $(add_suffix _inline $ARCH_EXT_LIST)
1563 $ARCH_FEATURES
1564 $ATOMICS_LIST
1565 $BUILTIN_LIST
1566 $HAVE_LIST_CMDLINE
1567 $HAVE_LIST_PUB
1568 $HEADERS_LIST
1569 $INTRINSICS_LIST
1570 $MATH_FUNCS
1571 $SYSTEM_FUNCS
1572 $THREADS_LIST
1573 $TOOLCHAIN_FEATURES
1574 $TYPES_LIST
1575 atomics_native
1576 dos_paths
1577 dxva2_lib
1578 libc_msvcrt
1579 libdc1394_1
1580 libdc1394_2
1581 sdl
1582 section_data_rel_ro
1583 threads
1584 vaapi_x11
1585 vdpau_x11
1586 xlib
1587 "
1588
1589 # options emitted with CONFIG_ prefix but not available on the command line
1590 CONFIG_EXTRA="
1591 aandcttables
1592 ac3dsp
1593 audio_frame_queue
1594 audiodsp
1595 blockdsp
1596 bswapdsp
1597 cabac
1598 dvprofile
1599 faandct
1600 faanidct
1601 fdctdsp
1602 flacdsp
1603 fmtconvert
1604 g722dsp
1605 gcrypt
1606 gmp
1607 golomb
1608 gplv3
1609 h263dsp
1610 h264chroma
1611 h264dsp
1612 h264pred
1613 h264qpel
1614 hpeldsp
1615 huffman
1616 huffyuvdsp
1617 huffyuvencdsp
1618 idctdsp
1619 iirfilter
1620 imdct15
1621 intrax8
1622 ividsp
1623 jpegtables
1624 libx262
1625 lgplv3
1626 lpc
1627 lzf
1628 me_cmp
1629 mpeg_er
1630 mpegaudio
1631 mpegaudiodsp
1632 mpegvideo
1633 mpegvideoenc
1634 mss34dsp
1635 pixblockdsp
1636 qpeldsp
1637 qsv
1638 qsvdec
1639 qsvenc
1640 rangecoder
1641 riffdec
1642 riffenc
1643 rtpdec
1644 rtpenc_chain
1645 rv34dsp
1646 sinewin
1647 snappy
1648 startcode
1649 texturedsp
1650 texturedspenc
1651 tpeldsp
1652 videodsp
1653 vp3dsp
1654 vp56dsp
1655 vp8dsp
1656 wma_freqs
1657 wmv2dsp
1658 "
1659
1660 CMDLINE_SELECT="
1661 $ARCH_EXT_LIST
1662 $CONFIG_LIST
1663 $HAVE_LIST_CMDLINE
1664 $THREADS_LIST
1665 asm
1666 cross_compile
1667 debug
1668 extra_warnings
1669 logging
1670 lto
1671 optimizations
1672 rpath
1673 "
1674
1675 PATHS_LIST="
1676 bindir
1677 datadir
1678 docdir
1679 incdir
1680 libdir
1681 mandir
1682 prefix
1683 shlibdir
1684 "
1685
1686 CMDLINE_SET="
1687 $PATHS_LIST
1688 ar
1689 arch
1690 as
1691 build_suffix
1692 cc
1693 cpu
1694 cross_prefix
1695 custom_allocator
1696 dep_cc
1697 env
1698 extra_version
1699 host_cc
1700 host_cflags
1701 host_ld
1702 host_ldflags
1703 host_libs
1704 host_os
1705 ld
1706 logfile
1707 malloc_prefix
1708 nm
1709 optflags
1710 pkg_config
1711 pkg_config_flags
1712 random_seed
1713 samples
1714 sysinclude
1715 sysroot
1716 target_exec
1717 target_os
1718 target_path
1719 target_samples
1720 toolchain
1721 "
1722
1723 CMDLINE_APPEND="
1724 extra_cflags
1725 host_cppflags
1726 "
1727
1728 # code dependency declarations
1729
1730 # architecture extensions
1731
1732 armv5te_deps="arm"
1733 armv6_deps="arm"
1734 armv6t2_deps="arm"
1735 armv8_deps="aarch64"
1736 neon_deps_any="aarch64 arm"
1737 intrinsics_neon_deps="neon"
1738 vfp_deps_any="aarch64 arm"
1739 vfpv3_deps="vfp"
1740
1741 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1742
1743 altivec_deps="ppc"
1744 ppc4xx_deps="ppc"
1745 vsx_deps="altivec"
1746 power8_deps="vsx"
1747
1748 cpunop_deps="i686"
1749 x86_64_select="i686"
1750 x86_64_suggest="fast_cmov"
1751
1752 amd3dnow_deps="mmx"
1753 amd3dnowext_deps="amd3dnow"
1754 i686_deps="x86"
1755 mmx_deps="x86"
1756 mmxext_deps="mmx"
1757 sse_deps="mmxext"
1758 sse2_deps="sse"
1759 sse3_deps="sse2"
1760 ssse3_deps="sse3"
1761 sse4_deps="ssse3"
1762 sse42_deps="sse4"
1763 avx_deps="sse42"
1764 xop_deps="avx"
1765 fma3_deps="avx"
1766 fma4_deps="avx"
1767 avx2_deps="avx"
1768
1769 mmx_external_deps="yasm"
1770 mmx_inline_deps="inline_asm"
1771 mmx_suggest="mmx_external mmx_inline"
1772
1773 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1774 eval dep=\$${ext}_deps
1775 eval ${ext}_external_deps='"${dep}_external"'
1776 eval ${ext}_inline_deps='"${dep}_inline"'
1777 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1778 done
1779
1780 aligned_stack_if_any="aarch64 ppc x86"
1781 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1782 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1783 fast_unaligned_if_any="aarch64 ppc x86"
1784 simd_align_16_if_any="altivec neon sse"
1785
1786 # system capabilities
1787 symver_if_any="symver_asm_label symver_gnu_asm"
1788 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
1789
1790 # threading support
1791 atomics_gcc_if="sync_val_compare_and_swap"
1792 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1793 atomics_win32_if="MemoryBarrier"
1794 atomics_native_if_any="$ATOMICS_LIST"
1795 w32threads_deps="atomics_native"
1796 threads_if_any="$THREADS_LIST"
1797
1798 # subsystems
1799 dct_select="rdft"
1800 error_resilience_select="me_cmp"
1801 faandct_deps="faan fdctdsp"
1802 faanidct_deps="faan idctdsp"
1803 intrax8_select="error_resilience"
1804 mdct_select="fft"
1805 rdft_select="fft"
1806 me_cmp_select="fdctdsp idctdsp pixblockdsp"
1807 mpeg_er_select="error_resilience"
1808 mpegaudio_select="mpegaudiodsp"
1809 mpegaudiodsp_select="dct"
1810 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp videodsp"
1811 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
1812 nvenc_deps_any="dlopen LoadLibrary"
1813 nvenc_extralibs='$ldl'
1814 qsvdec_select="qsv"
1815 qsvenc_select="qsv"
1816
1817 # decoders / encoders
1818 aac_decoder_select="imdct15 mdct sinewin"
1819 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
1820 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1821 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
1822 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1823 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
1824 adpcm_g722_decoder_select="g722dsp"
1825 adpcm_g722_encoder_select="g722dsp"
1826 aic_decoder_select="golomb idctdsp"
1827 alac_encoder_select="lpc"
1828 als_decoder_select="bswapdsp"
1829 amrnb_decoder_select="lsp"
1830 amrwb_decoder_select="lsp"
1831 amv_decoder_select="sp5x_decoder"
1832 ape_decoder_select="bswapdsp"
1833 asv1_decoder_select="blockdsp bswapdsp idctdsp"
1834 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
1835 asv2_decoder_select="blockdsp bswapdsp idctdsp"
1836 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
1837 atrac1_decoder_select="mdct sinewin"
1838 atrac3_decoder_select="mdct"
1839 atrac3p_decoder_select="mdct sinewin"
1840 bink_decoder_select="blockdsp hpeldsp"
1841 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
1842 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
1843 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
1844 cllc_decoder_select="bswapdsp"
1845 comfortnoise_encoder_select="lpc"
1846 cook_decoder_select="audiodsp mdct sinewin"
1847 cscd_decoder_select="lzo"
1848 cscd_decoder_suggest="zlib"
1849 dca_decoder_select="fmtconvert mdct"
1850 dds_decoder_select="texturedsp"
1851 dnxhd_decoder_select="blockdsp idctdsp"
1852 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
1853 dvvideo_decoder_select="dvprofile idctdsp"
1854 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
1855 dxa_decoder_deps="zlib"
1856 dxv_decoder_select="lzf texturedsp"
1857 eac3_decoder_select="ac3_decoder"
1858 eac3_encoder_select="ac3_encoder"
1859 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
1860 eatgq_decoder_select="aandcttables idctdsp"
1861 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
1862 exr_decoder_deps="zlib"
1863 ffv1_decoder_select="golomb rangecoder"
1864 ffv1_encoder_select="rangecoder"
1865 ffvhuff_decoder_select="huffyuv_decoder"
1866 ffvhuff_encoder_select="huffyuv_encoder"
1867 fic_decoder_select="golomb"
1868 flac_decoder_select="flacdsp golomb"
1869 flac_encoder_select="bswapdsp flacdsp golomb lpc"
1870 flashsv_decoder_deps="zlib"
1871 flashsv_encoder_deps="zlib"
1872 flashsv2_decoder_deps="zlib"
1873 flv_decoder_select="h263_decoder"
1874 flv_encoder_select="h263_encoder"
1875 fourxm_decoder_select="blockdsp bswapdsp"
1876 fraps_decoder_select="bswapdsp huffman"
1877 g2m_decoder_deps="zlib"
1878 g2m_decoder_select="blockdsp idctdsp jpegtables"
1879 h261_decoder_select="mpeg_er mpegvideo"
1880 h261_encoder_select="aandcttables mpegvideoenc"
1881 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
1882 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1883 h263i_decoder_select="h263_decoder"
1884 h263p_encoder_select="h263_encoder"
1885 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
1886 h264_decoder_suggest="error_resilience"
1887 h264_nvenc_encoder_deps="nvenc"
1888 h264_qsv_decoder_deps="libmfx"
1889 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
1890 h264_qsv_encoder_deps="libmfx"
1891 h264_qsv_encoder_select="qsvenc"
1892 hap_decoder_select="snappy texturedsp"
1893 hap_encoder_deps="libsnappy"
1894 hap_encoder_select="texturedspenc"
1895 hevc_decoder_select="bswapdsp cabac golomb videodsp"
1896 hevc_nvenc_encoder_deps="nvenc"
1897 hevc_qsv_encoder_deps="libmfx"
1898 hevc_qsv_decoder_deps="libmfx"
1899 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
1900 hevc_qsv_encoder_select="qsvenc"
1901 huffyuv_decoder_select="bswapdsp huffyuvdsp"
1902 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
1903 iac_decoder_select="imc_decoder"
1904 imc_decoder_select="bswapdsp fft mdct sinewin"
1905 indeo3_decoder_select="hpeldsp"
1906 indeo4_decoder_select="ividsp"
1907 indeo5_decoder_select="ividsp"
1908 interplay_video_decoder_select="hpeldsp"
1909 jpegls_decoder_select="golomb mjpeg_decoder"
1910 jpegls_encoder_select="golomb"
1911 jv_decoder_select="blockdsp"
1912 lagarith_decoder_select="huffyuvdsp"
1913 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
1914 loco_decoder_select="golomb"
1915 mdec_decoder_select="blockdsp idctdsp mpegvideo"
1916 metasound_decoder_select="lsp mdct sinewin"
1917 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
1918 mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
1919 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
1920 mjpegb_decoder_select="mjpeg_decoder"
1921 mlp_decoder_select="mlp_parser"
1922 motionpixels_decoder_select="bswapdsp"
1923 mp1_decoder_select="mpegaudio"
1924 mp1float_decoder_select="mpegaudio"
1925 mp2_decoder_select="mpegaudio"
1926 mp2float_decoder_select="mpegaudio"
1927 mp3_decoder_select="mpegaudio"
1928 mp3adu_decoder_select="mpegaudio"
1929 mp3adufloat_decoder_select="mpegaudio"
1930 mp3float_decoder_select="mpegaudio"
1931 mp3on4_decoder_select="mpegaudio"
1932 mp3on4float_decoder_select="mpegaudio"
1933 mpc7_decoder_select="bswapdsp mpegaudiodsp"
1934 mpc8_decoder_select="mpegaudiodsp"
1935 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1936 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1937 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
1938 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1939 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
1940 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1941 mpeg2_qsv_decoder_deps="libmfx"
1942 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel mpegvideo_parser"
1943 mpeg2_qsv_encoder_deps="libmfx"
1944 mpeg2_qsv_encoder_select="qsvenc"
1945 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1946 mpeg4_encoder_select="h263_encoder"
1947 msa1_decoder_select="mss34dsp"
1948 msmpeg4v1_decoder_select="h263_decoder"
1949 msmpeg4v2_decoder_select="h263_decoder"
1950 msmpeg4v2_encoder_select="h263_encoder"
1951 msmpeg4v3_decoder_select="h263_decoder"
1952 msmpeg4v3_encoder_select="h263_encoder"
1953 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
1954 mts2_decoder_select="mss34dsp"
1955 mxpeg_decoder_select="mjpeg_decoder"
1956 nellymoser_decoder_select="mdct sinewin"
1957 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1958 nuv_decoder_select="idctdsp lzo"
1959 on2avc_decoder_select="mdct"
1960 opus_decoder_deps="avresample"
1961 opus_decoder_select="imdct15"
1962 png_decoder_deps="zlib"
1963 png_encoder_deps="zlib"
1964 png_encoder_select="huffyuvencdsp"
1965 prores_decoder_select="idctdsp"
1966 prores_encoder_select="fdctdsp"
1967 qcelp_decoder_select="lsp"
1968 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1969 ra_144_encoder_select="audio_frame_queue lpc"
1970 ralf_decoder_select="golomb"
1971 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
1972 rv10_encoder_select="h263_encoder"
1973 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
1974 rv20_encoder_select="h263_encoder"
1975 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
1976 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
1977 screenpresso_decoder_deps="zlib"
1978 shorten_decoder_select="golomb"
1979 sipr_decoder_select="lsp"
1980 sp5x_decoder_select="mjpeg_decoder"
1981 svq1_decoder_select="hpeldsp"
1982 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
1983 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
1984 svq3_decoder_suggest="zlib"
1985 tak_decoder_select="audiodsp"
1986 tdsc_decoder_deps="zlib"
1987 tdsc_decoder_select="mjpeg_decoder"
1988 theora_decoder_select="vp3_decoder"
1989 thp_decoder_select="mjpeg_decoder"
1990 tiff_decoder_suggest="zlib"
1991 tiff_encoder_suggest="zlib"
1992 truehd_decoder_select="mlp_decoder"
1993 truemotion2_decoder_select="bswapdsp"
1994 truespeech_decoder_select="bswapdsp"
1995 tscc_decoder_deps="zlib"
1996 txd_decoder_select="texturedsp"
1997 twinvq_decoder_select="mdct lsp sinewin"
1998 utvideo_decoder_select="bswapdsp"
1999 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2000 vble_decoder_select="huffyuvdsp"
2001 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
2002 vc1image_decoder_select="vc1_decoder"
2003 vorbis_decoder_select="mdct"
2004 vorbis_encoder_select="mdct"
2005 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2006 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2007 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2008 vp6a_decoder_select="vp6_decoder"
2009 vp6f_decoder_select="vp6_decoder"
2010 vp7_decoder_select="h264pred videodsp vp8dsp"
2011 vp8_decoder_select="h264pred videodsp vp8dsp"
2012 vp9_decoder_select="videodsp"
2013 webp_decoder_select="vp8_decoder"
2014 wmapro_decoder_select="mdct sinewin wma_freqs"
2015 wmav1_decoder_select="mdct sinewin wma_freqs"
2016 wmav1_encoder_select="mdct sinewin wma_freqs"
2017 wmav2_decoder_select="mdct sinewin wma_freqs"
2018 wmav2_encoder_select="mdct sinewin wma_freqs"
2019 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2020 wmv1_decoder_select="h263_decoder"
2021 wmv1_encoder_select="h263_encoder"
2022 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2023 wmv2_encoder_select="h263_encoder wmv2dsp"
2024 wmv3_decoder_select="vc1_decoder"
2025 wmv3image_decoder_select="wmv3_decoder"
2026 zerocodec_decoder_deps="zlib"
2027 zlib_decoder_deps="zlib"
2028 zlib_encoder_deps="zlib"
2029 zmbv_decoder_deps="zlib"
2030 zmbv_encoder_deps="zlib"
2031
2032 # hardware accelerators
2033 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2034 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2035 vaapi_deps="va_va_h"
2036 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2037 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2038 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2039
2040 h263_vaapi_hwaccel_deps="vaapi"
2041 h263_vaapi_hwaccel_select="h263_decoder"
2042 h263_vdpau_hwaccel_deps="vdpau"
2043 h263_vdpau_hwaccel_select="h263_decoder"
2044 h264_d3d11va_hwaccel_deps="d3d11va"
2045 h264_d3d11va_hwaccel_select="h264_decoder"
2046 h264_dxva2_hwaccel_deps="dxva2"
2047 h264_dxva2_hwaccel_select="h264_decoder"
2048 h264_mmal_decoder_deps="mmal"
2049 h264_mmal_hwaccel_deps="mmal"
2050 h264_mmal_decoder_select="h264_decoder"
2051 h264_mmal_encoder_deps="mmal"
2052 h264_qsv_hwaccel_deps="libmfx"
2053 h264_vaapi_hwaccel_deps="vaapi"
2054 h264_vaapi_hwaccel_select="h264_decoder"
2055 h264_vda_hwaccel_deps="vda"
2056 h264_vda_hwaccel_select="h264_decoder"
2057 h264_vda_old_hwaccel_deps="vda"
2058 h264_vda_old_hwaccel_select="h264_decoder"
2059 h264_vdpau_hwaccel_deps="vdpau"
2060 h264_vdpau_hwaccel_select="h264_decoder"
2061 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2062 hevc_d3d11va_hwaccel_select="hevc_decoder"
2063 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2064 hevc_dxva2_hwaccel_select="hevc_decoder"
2065 hevc_qsv_hwaccel_deps="libmfx"
2066 mpeg1_vdpau_hwaccel_deps="vdpau"
2067 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2068 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2069 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2070 mpeg2_dxva2_hwaccel_deps="dxva2"
2071 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2072 mpeg2_qsv_hwaccel_deps="libmfx"
2073 mpeg2_vaapi_hwaccel_deps="vaapi"
2074 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2075 mpeg2_vdpau_hwaccel_deps="vdpau"
2076 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2077 mpeg4_vaapi_hwaccel_deps="vaapi"
2078 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2079 mpeg4_vdpau_hwaccel_deps="vdpau"
2080 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2081 vc1_d3d11va_hwaccel_deps="d3d11va"
2082 vc1_d3d11va_hwaccel_select="vc1_decoder"
2083 vc1_dxva2_hwaccel_deps="dxva2"
2084 vc1_dxva2_hwaccel_select="vc1_decoder"
2085 vc1_vaapi_hwaccel_deps="vaapi"
2086 vc1_vaapi_hwaccel_select="vc1_decoder"
2087 vc1_vdpau_hwaccel_deps="vdpau"
2088 vc1_vdpau_hwaccel_select="vc1_decoder"
2089 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2090 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2091 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2092 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2093
2094 # parsers
2095 h264_parser_select="h264_decoder"
2096 hevc_parser_select="golomb"
2097 mpegvideo_parser_select="mpegvideo"
2098 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
2099 vc1_parser_select="mpegvideo startcode vc1_decoder"
2100
2101 # bitstream_filters
2102 mjpeg2jpeg_bsf_select="jpegtables"
2103
2104 # external libraries
2105 libdcadec_decoder_deps="libdcadec"
2106 libfaac_encoder_deps="libfaac"
2107 libfaac_encoder_select="audio_frame_queue"
2108 libfdk_aac_decoder_deps="libfdk_aac"
2109 libfdk_aac_encoder_deps="libfdk_aac"
2110 libfdk_aac_encoder_select="audio_frame_queue"
2111 libgsm_decoder_deps="libgsm"
2112 libgsm_encoder_deps="libgsm"
2113 libgsm_ms_decoder_deps="libgsm"
2114 libgsm_ms_encoder_deps="libgsm"
2115 libilbc_decoder_deps="libilbc"
2116 libilbc_encoder_deps="libilbc"
2117 libmp3lame_encoder_deps="libmp3lame"
2118 libmp3lame_encoder_select="audio_frame_queue"
2119 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2120 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2121 libopencore_amrnb_encoder_select="audio_frame_queue"
2122 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2123 libopenh264_encoder_deps="libopenh264"
2124 libopenjpeg_decoder_deps="libopenjpeg"
2125 libopenjpeg_encoder_deps="libopenjpeg"
2126 libopus_decoder_deps="libopus"
2127 libopus_encoder_deps="libopus"
2128 libopus_encoder_select="audio_frame_queue"
2129 libschroedinger_decoder_deps="libschroedinger"
2130 libschroedinger_encoder_deps="libschroedinger"
2131 libspeex_decoder_deps="libspeex"
2132 libspeex_encoder_deps="libspeex"
2133 libspeex_encoder_select="audio_frame_queue"
2134 libtheora_encoder_deps="libtheora"
2135 libtwolame_encoder_deps="libtwolame"
2136 libvo_aacenc_encoder_deps="libvo_aacenc"
2137 libvo_aacenc_encoder_select="audio_frame_queue"
2138 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2139 libvorbis_encoder_deps="libvorbis"
2140 libvorbis_encoder_select="audio_frame_queue"
2141 libvpx_vp8_decoder_deps="libvpx"
2142 libvpx_vp8_encoder_deps="libvpx"
2143 libvpx_vp9_decoder_deps="libvpx"
2144 libvpx_vp9_encoder_deps="libvpx"
2145 libwavpack_encoder_deps="libwavpack"
2146 libwebp_encoder_deps="libwebp"
2147 libx262_encoder_deps="libx262"
2148 libx264_encoder_deps="libx264"
2149 libx265_encoder_deps="libx265"
2150 libxavs_encoder_deps="libxavs"
2151 libxvid_encoder_deps="libxvid"
2152
2153 # demuxers / muxers
2154 ac3_demuxer_select="ac3_parser"
2155 asf_demuxer_select="riffdec"
2156 asf_muxer_select="riffenc"
2157 asf_stream_muxer_select="asf_muxer"
2158 avi_demuxer_select="riffdec"
2159 avi_muxer_select="riffenc"
2160 avisynth_demuxer_deps="avisynth"
2161 avisynth_demuxer_select="riffdec"
2162 caf_demuxer_select="riffdec"
2163 dash_muxer_select="mp4_muxer"
2164 dirac_demuxer_select="dirac_parser"
2165 dv_demuxer_select="dvprofile"
2166 dv_muxer_select="dvprofile"
2167 dxa_demuxer_select="riffdec"
2168 eac3_demuxer_select="ac3_parser"
2169 f4v_muxer_select="mov_muxer"
2170 flac_demuxer_select="flac_parser"
2171 hds_muxer_select="flv_muxer"
2172 hls_muxer_select="mpegts_muxer"
2173 ipod_muxer_select="mov_muxer"
2174 ismv_muxer_select="mov_muxer"
2175 matroska_audio_muxer_select="matroska_muxer"
2176 matroska_demuxer_select="riffdec"
2177 matroska_demuxer_suggest="bzlib lzo zlib"
2178 matroska_muxer_select="riffenc"
2179 mmf_muxer_select="riffenc"
2180 mov_demuxer_select="riffdec"
2181 mov_demuxer_suggest="zlib"
2182 mov_muxer_select="riffenc rtpenc_chain"
2183 mp3_demuxer_select="mpegaudio_parser"
2184 mp4_muxer_select="mov_muxer"
2185 mpegts_muxer_select="adts_muxer latm_muxer"
2186 mpegtsraw_demuxer_select="mpegts_demuxer"
2187 mxf_d10_muxer_select="mxf_muxer"
2188 nut_muxer_select="riffenc"
2189 nuv_demuxer_select="riffdec"
2190 oga_muxer_select="ogg_muxer"
2191 ogg_demuxer_select="golomb"
2192 opus_muxer_select="ogg_muxer"
2193 psp_muxer_select="mov_muxer"
2194 rtp_demuxer_select="sdp_demuxer"
2195 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2196 rtsp_demuxer_select="http_protocol rtpdec"
2197 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2198 sap_demuxer_select="sdp_demuxer"
2199 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2200 sdp_demuxer_select="rtpdec"
2201 smoothstreaming_muxer_select="ismv_muxer"
2202 spdif_muxer_select="aac_parser"
2203 spx_muxer_select="ogg_muxer"
2204 tak_demuxer_select="tak_parser"
2205 tg2_muxer_select="mov_muxer"
2206 tgp_muxer_select="mov_muxer"
2207 w64_demuxer_select="wav_demuxer"
2208 wav_demuxer_select="riffdec"
2209 wav_muxer_select="riffenc"
2210 webm_muxer_select="riffenc"
2211 webm_muxer_suggest="libopus_encoder libvorbis_encoder libvpx_vp8_encoder libvpx_vp9_encoder"
2212 wtv_demuxer_select="riffdec"
2213 xmv_demuxer_select="riffdec"
2214 xwma_demuxer_select="riffdec"
2215
2216 # indevs / outdevs
2217 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2218 alsa_outdev_deps="alsa_asoundlib_h"
2219 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2220 dv1394_indev_deps="dv1394"
2221 dv1394_indev_select="dv_demuxer"
2222 fbdev_indev_deps="linux_fb_h"
2223 jack_indev_deps="jack_jack_h pthreads"
2224 libcdio_indev_deps="libcdio"
2225 libdc1394_indev_deps="libdc1394"
2226 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2227 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2228 pulse_indev_deps="libpulse"
2229 sndio_indev_deps="sndio_h"
2230 sndio_outdev_deps="sndio_h"
2231 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2232 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2233 vfwcap_indev_extralibs="-lavicap32"
2234 x11grab_indev_deps="x11grab"
2235 x11grab_xcb_indev_deps="libxcb"
2236
2237 # protocols
2238 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2239 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2240 ffrtmpcrypt_protocol_select="tcp_protocol"
2241 ffrtmphttp_protocol_deps="!librtmp_protocol"
2242 ffrtmphttp_protocol_select="http_protocol"
2243 gopher_protocol_select="network"
2244 http_protocol_select="tcp_protocol"
2245 httpproxy_protocol_select="tcp_protocol"
2246 https_protocol_select="tls_protocol"
2247 icecast_protocol_select="http_protocol"
2248 librtmp_protocol_deps="librtmp"
2249 librtmpe_protocol_deps="librtmp"
2250 librtmps_protocol_deps="librtmp"
2251 librtmpt_protocol_deps="librtmp"
2252 librtmpte_protocol_deps="librtmp"
2253 mmsh_protocol_select="http_protocol"
2254 mmst_protocol_select="network"
2255 rtmp_protocol_deps="!librtmp_protocol"
2256 rtmp_protocol_select="tcp_protocol"
2257 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2258 rtmps_protocol_deps="!librtmp_protocol"
2259 rtmps_protocol_select="tls_protocol"
2260 rtmpt_protocol_select="ffrtmphttp_protocol"
2261 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2262 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2263 rtp_protocol_select="udp_protocol"
2264 sctp_protocol_deps="struct_sctp_event_subscribe"
2265 sctp_protocol_select="network"
2266 srtp_protocol_select="rtp_protocol"
2267 tcp_protocol_select="network"
2268 tls_gnutls_protocol_deps="gnutls"
2269 tls_gnutls_protocol_select="tcp_protocol"
2270 tls_openssl_protocol_deps="openssl !tls_gnutls_protocol"
2271 tls_openssl_protocol_select="tcp_protocol"
2272 tls_protocol_deps_any="tls_gnutls_protocol tls_openssl_protocol"
2273 udp_protocol_select="network"
2274 unix_protocol_deps="sys_un_h"
2275 unix_protocol_select="network"
2276
2277 # filters
2278 blackframe_filter_deps="gpl"
2279 boxblur_filter_deps="gpl"
2280 bs2b_filter_deps="libbs2b"
2281 cropdetect_filter_deps="gpl"
2282 delogo_filter_deps="gpl"
2283 drawtext_filter_deps="libfreetype"
2284 frei0r_filter_deps="frei0r dlopen"
2285 frei0r_filter_extralibs='$ldl'
2286 frei0r_src_filter_deps="frei0r dlopen"
2287 frei0r_src_filter_extralibs='$ldl'
2288 hqdn3d_filter_deps="gpl"
2289 interlace_filter_deps="gpl"
2290 ocv_filter_deps="libopencv"
2291 resample_filter_deps="avresample"
2292 scale_filter_deps="swscale"
2293
2294 # examples
2295 avcodec_example_deps="avcodec avutil"
2296 filter_audio_example_deps="avfilter avutil"
2297 metadata_example_deps="avformat avutil"
2298 output_example_deps="avcodec avformat avutil swscale"
2299 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2300 transcode_aac_example_deps="avcodec avformat avresample"
2301
2302 # libraries, in linking order
2303 avcodec_deps="avutil"
2304 avdevice_deps="avformat avcodec avutil"
2305 avfilter_deps="avutil"
2306 avformat_deps="avcodec avutil"
2307 avresample_deps="avutil"
2308 swscale_deps="avutil"
2309
2310 # programs
2311 avconv_deps="avcodec avfilter avformat avresample swscale"
2312 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2313 fps_filter null_filter resample_filter scale_filter
2314 setpts_filter trim_filter"
2315 avplay_deps="avcodec avformat avresample swscale sdl"
2316 avplay_libs='$sdl_libs'
2317 avplay_select="rdft transpose_filter hflip_filter vflip_filter"
2318 avprobe_deps="avcodec avformat"
2319
2320 # documentation
2321 pod2man_deps="doc"
2322 texi2html_deps="doc"
2323
2324 # default parameters
2325
2326 logfile="config.log"
2327
2328 # installation paths
2329 prefix_default="/usr/local"
2330 bindir_default='${prefix}/bin'
2331 datadir_default='${prefix}/share/avconv'
2332 docdir_default='${prefix}/share/doc/libav'
2333 incdir_default='${prefix}/include'
2334 libdir_default='${prefix}/lib'
2335 mandir_default='${prefix}/share/man'
2336 shlibdir_default="$libdir_default"
2337
2338 # toolchain
2339 ar_default="ar"
2340 cc_default="gcc"
2341 host_cc_default="gcc"
2342 cp_f="cp -f"
2343 ln_s="ln -s -f"
2344 nm_default="nm -g"
2345 objformat="elf"
2346 pkg_config_default=pkg-config
2347 ranlib="ranlib"
2348 strip="strip"
2349 yasmexe="yasm"
2350
2351 # machine
2352 arch_default=$(uname -m)
2353 cpu="generic"
2354 intrinsics="none"
2355
2356 # OS
2357 target_os_default=$(tolower $(uname -s))
2358 host_os=$target_os_default
2359
2360 # configurable options
2361 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2362
2363 enable asm
2364 enable debug
2365 enable doc
2366 enable faan faandct faanidct
2367 enable optimizations
2368 enable safe_bitstream_reader
2369 enable static
2370 enable swscale_alpha
2371 enable valgrind_backtrace
2372
2373 # By default, enable only those hwaccels that have no external dependencies.
2374 enable d3d11va dxva2 vda vdpau
2375
2376 # build settings
2377 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2378 LIBPREF="lib"
2379 LIBSUF=".a"
2380 FULLNAME='$(NAME)$(BUILDSUF)'
2381 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2382 SLIBPREF="lib"
2383 SLIBSUF=".so"
2384 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2385 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2386 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2387 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2388 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2389 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2390
2391 asflags_filter=echo
2392 cflags_filter=echo
2393 ldflags_filter=echo
2394
2395 AS_C='-c'
2396 AS_O='-o $@'
2397 CC_C='-c'
2398 CC_E='-E -o $@'
2399 CC_O='-o $@'
2400 LD_O='-o $@'
2401 LD_LIB='-l%'
2402 LD_PATH='-L'
2403 HOSTCC_C='-c'
2404 HOSTCC_E='-E -o $@'
2405 HOSTCC_O='-o $@'
2406 HOSTLD_O='-o $@'
2407
2408 host_libs='-lm'
2409 host_cflags_filter=echo
2410 host_ldflags_filter=echo
2411
2412 target_path='$(CURDIR)'
2413
2414 # since the object filename is not given with the -MM flag, the compiler
2415 # is only able to print the basename, and we must add the path ourselves
2416 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2417 DEPFLAGS='-MM'
2418
2419 # find source path
2420 if test -f configure; then
2421 source_path=.
2422 else
2423 source_path=$(cd $(dirname "$0"); pwd)
2424 echo "$source_path" | grep -q '[[:blank:]]' &&
2425 die "Out of tree builds are impossible with whitespace in source path."
2426 test -e "$source_path/config.h" &&
2427 die "Out of tree builds are impossible with config.h in source dir."
2428 fi
2429
2430 for v in "$@"; do
2431 r=${v#*=}
2432 l=${v%"$r"}
2433 r=$(sh_quote "$r")
2434 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2435 done
2436
2437 find_things(){
2438 thing=$1
2439 pattern=$2
2440 file=$source_path/$3
2441 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2442 }
2443
2444 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2445 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2446 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2447 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2448 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2449 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2450 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2451 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2452 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2453 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2454 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2455
2456 ALL_COMPONENTS="
2457 $BSF_LIST
2458 $DECODER_LIST
2459 $DEMUXER_LIST
2460 $ENCODER_LIST
2461 $FILTER_LIST
2462 $HWACCEL_LIST
2463 $INDEV_LIST
2464 $MUXER_LIST
2465 $OUTDEV_LIST
2466 $PARSER_LIST
2467 $PROTOCOL_LIST
2468 "
2469
2470 for n in $COMPONENT_LIST; do
2471 v=$(toupper ${n%s})_LIST
2472 eval enable \$$v
2473 eval ${n}_if_any="\$$v"
2474 done
2475
2476 enable $ARCH_EXT_LIST
2477
2478 die_unknown(){
2479 echo "Unknown option \"$1\"."
2480 echo "See $0 --help for available options."
2481 exit 1
2482 }
2483
2484 print_3_columns() {
2485 cat | tr ' ' '\n' | sort | pr -r -3 -t
2486 }
2487
2488 show_list() {
2489 suffix=_$1
2490 shift
2491 echo $* | sed s/$suffix//g | print_3_columns
2492 exit 0
2493 }
2494
2495 rand_list(){
2496 IFS=', '
2497 set -- $*
2498 unset IFS
2499 for thing; do
2500 comp=${thing%:*}
2501 prob=${thing#$comp}
2502 prob=${prob#:}
2503 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2504 echo "prob ${prob:-0.5}"
2505 printf '%s\n' $comp
2506 done
2507 }
2508
2509 do_random(){
2510 action=$1
2511 shift
2512 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2513 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2514 }
2515
2516 for opt do
2517 optval="${opt#*=}"
2518 case "$opt" in
2519 --extra-ldflags=*)
2520 add_ldflags $optval
2521 ;;
2522 --extra-ldexeflags=*)
2523 add_ldexeflags $optval
2524 ;;
2525 --extra-libs=*)
2526 add_extralibs $optval
2527 ;;
2528 --disable-devices)
2529 disable $INDEV_LIST $OUTDEV_LIST
2530 ;;
2531 --enable-debug=*)
2532 debuglevel="$optval"
2533 ;;
2534 --disable-programs)
2535 disable $PROGRAM_LIST
2536 ;;
2537 --disable-everything)
2538 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2539 ;;
2540 --disable-all)
2541 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2542 disable $LIBRARY_LIST $PROGRAM_LIST doc
2543 ;;
2544 --enable-random|--disable-random)
2545 action=${opt%%-random}
2546 do_random ${action#--} $COMPONENT_LIST
2547 ;;
2548 --enable-random=*|--disable-random=*)
2549 action=${opt%%-random=*}
2550 do_random ${action#--} $optval
2551 ;;
2552 --enable-*=*|--disable-*=*)
2553 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2554 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2555 eval list=\$$(toupper $thing)_LIST
2556 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2557 $action $(filter "$name" $list)
2558 ;;
2559 --enable-avserver|--disable-avserver*)
2560 warn "avserver has been removed, the ${opt} option is only"\
2561 "provided for compatibility and will be removed in the future"
2562 ;;
2563 --enable-?*|--disable-?*)
2564 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2565 if is_in $option $COMPONENT_LIST; then
2566 test $action = disable && action=unset
2567 eval $action \$$(toupper ${option%s})_LIST
2568 elif is_in $option $CMDLINE_SELECT; then
2569 $action $option
2570 else
2571 die_unknown $opt
2572 fi
2573 ;;
2574 --list-*)
2575 NAME="${opt#--list-}"
2576 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2577 NAME=${NAME%s}
2578 eval show_list $NAME \$$(toupper $NAME)_LIST
2579 ;;
2580 --help|-h) show_help
2581 ;;
2582 *)
2583 optname="${opt%%=*}"
2584 optname="${optname#--}"
2585 optname=$(echo "$optname" | sed 's/-/_/g')
2586 if is_in $optname $CMDLINE_SET; then
2587 eval $optname='$optval'
2588 elif is_in $optname $CMDLINE_APPEND; then
2589 append $optname "$optval"
2590 else
2591 die_unknown $opt
2592 fi
2593 ;;
2594 esac
2595 done
2596
2597 for e in $env; do
2598 eval "export $e"
2599 done
2600
2601 disabled logging && logfile=/dev/null
2602
2603 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2604 set >> $logfile
2605
2606 case "$toolchain" in
2607 clang-asan)
2608 cc_default="clang"
2609 add_cflags -fsanitize=address
2610 add_ldflags -fsanitize=address
2611 ;;
2612 clang-tsan)
2613 cc_default="clang"
2614 add_cflags -fsanitize=thread -pie
2615 add_ldflags -fsanitize=thread -pie
2616 ;;
2617 clang-usan)
2618 cc_default="clang"
2619 add_cflags -fsanitize=undefined -O1
2620 add_ldflags -fsanitize=undefined
2621 ;;
2622 gcc-asan)
2623 cc_default="gcc"
2624 add_cflags -fsanitize=address
2625 add_ldflags -fsanitize=address
2626 ;;
2627 gcc-tsan)
2628 cc_default="gcc"
2629 add_cflags -fsanitize=thread -pie -fPIC
2630 add_ldflags -fsanitize=thread -pie -fPIC
2631 ;;
2632 gcc-usan)
2633 cc_default="gcc"
2634 add_cflags -fsanitize=undefined
2635 add_ldflags -fsanitize=undefined
2636 ;;
2637 valgrind-massif)
2638 target_exec_default="valgrind"
2639 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2640 ;;
2641 valgrind-memcheck)
2642 target_exec_default="valgrind"
2643 target_exec_args="--track-origins=yes --leak-check=full"
2644 ;;
2645 msvc)
2646 # Check whether the current MSVC version needs the C99 converter.
2647 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2648 # support enough of C99 to build libav. Default to the new
2649 # behaviour if the regexp was unable to match anything, since this
2650 # successfully parses the version number of existing supported
2651 # versions that require the converter (MSVC 2010 and 2012).
2652 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2653 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2654 cc_default="cl"
2655 else
2656 cc_default="c99wrap cl"
2657 fi
2658 ld_default="$source_path/compat/windows/mslink"
2659 nm_default="dumpbin -symbols"
2660 ar_default="lib"
2661 case "$arch" in
2662 arm*)
2663 as_default="armasm"
2664 ;;
2665 esac
2666 target_os_default="win32"
2667 # Use a relative path for TMPDIR. This makes sure all the
2668 # ffconf temp files are written with a relative path, avoiding
2669 # issues with msys/win32 path conversion for MSVC parameters
2670 # such as -Fo<file> or -out:<file>.
2671 TMPDIR=.
2672 ;;
2673 icl)
2674 cc_default="icl"
2675 ld_default="xilink"
2676 nm_default="dumpbin -symbols"
2677 ar_default="xilib"
2678 target_os_default="win32"
2679 TMPDIR=.
2680 ;;
2681 gcov)
2682 add_cflags -fprofile-arcs -ftest-coverage
2683 add_ldflags -fprofile-arcs -ftest-coverage
2684 ;;
2685 hardened)
2686 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
2687 add_cflags -fno-strict-overflow -fstack-protector-all
2688 add_ldflags -Wl,-z,relro -Wl,-z,now
2689 ;;
2690 ?*)
2691 die "Unknown toolchain $toolchain"
2692 ;;
2693 esac
2694
2695 test -n "$cross_prefix" && enable cross_compile
2696
2697 if enabled cross_compile; then
2698 test -n "$arch" && test -n "$target_os" ||
2699 die "Must specify target arch and OS when cross-compiling"
2700 fi
2701
2702 ar_default="${cross_prefix}${ar_default}"
2703 cc_default="${cross_prefix}${cc_default}"
2704 nm_default="${cross_prefix}${nm_default}"
2705 pkg_config_default="${cross_prefix}${pkg_config_default}"
2706 ranlib="${cross_prefix}${ranlib}"
2707 strip="${cross_prefix}${strip}"
2708
2709 sysinclude_default="${sysroot}/usr/include"
2710
2711 set_default arch cc pkg_config sysinclude target_exec target_os
2712 enabled cross_compile || host_cc_default=$cc
2713 set_default host_cc
2714
2715 if ! $pkg_config --version >/dev/null 2>&1; then
2716 warn "$pkg_config not found, library detection may fail."
2717 pkg_config=false
2718 fi
2719
2720 exesuf() {
2721 case $1 in
2722 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2723 esac
2724 }
2725
2726 EXESUF=$(exesuf $target_os)
2727 HOSTEXESUF=$(exesuf $host_os)
2728
2729 # set temporary file name
2730 : ${TMPDIR:=$TEMPDIR}
2731 : ${TMPDIR:=$TMP}
2732 : ${TMPDIR:=/tmp}
2733
2734 if ! check_cmd mktemp -u XXXXXX; then
2735 # simple replacement for missing mktemp
2736 # NOT SAFE FOR GENERAL USE
2737 mktemp(){
2738 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2739 }
2740 fi
2741
2742 tmpfile(){
2743 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2744 (set -C; exec > $tmp) 2>/dev/null ||
2745 die "Unable to create temporary file in $TMPDIR."
2746 append TMPFILES $tmp
2747 eval $1=$tmp
2748 }
2749
2750 trap 'rm -f -- $TMPFILES' EXIT
2751
2752 tmpfile TMPASM .asm
2753 tmpfile TMPC .c
2754 tmpfile TMPE $EXESUF
2755 tmpfile TMPH .h
2756 tmpfile TMPO .o
2757 tmpfile TMPS .S
2758 tmpfile TMPSH .sh
2759 tmpfile TMPV .ver
2760
2761 unset -f mktemp
2762
2763 chmod +x $TMPE
2764
2765 # make sure we can execute files in $TMPDIR
2766 cat > $TMPSH 2>> $logfile <<EOF
2767 #! /bin/sh
2768 EOF
2769 chmod +x $TMPSH >> $logfile 2>&1
2770 if ! $TMPSH >> $logfile 2>&1; then
2771 cat <<EOF
2772 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2773 variable to another directory and make sure that it is not mounted noexec.
2774 EOF
2775 die "Sanity test failed."
2776 fi
2777
2778 armasm_flags(){
2779 for flag; do
2780 case $flag in
2781 # Filter out MSVC cl.exe options from cflags that shouldn't
2782 # be passed to gas-preprocessor
2783 -M[TD]*) ;;
2784 *) echo $flag ;;
2785 esac
2786 done
2787 }
2788
2789 ccc_flags(){
2790 for flag; do
2791 case $flag in
2792 -std=c99) echo -c99 ;;
2793 -mcpu=*) echo -arch ${flag#*=} ;;
2794 -mieee) echo -ieee ;;
2795 -O*|-fast) echo $flag ;;
2796 -fno-math-errno) echo -assume nomath_errno ;;
2797 -g) echo -g3 ;;
2798 -Wall) echo -msg_enable level2 ;;
2799 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2800 -Wl,*) echo $flag ;;
2801 -f*|-W*) ;;
2802 *) echo $flag ;;
2803 esac
2804 done
2805 }
2806
2807 cparser_flags(){
2808 for flag; do
2809 case $flag in
2810 -Wno-switch) echo -Wno-switch-enum ;;
2811 -Wno-format-zero-length) ;;
2812 -Wdisabled-optimization) ;;
2813 -Wno-pointer-sign) echo -Wno-other ;;
2814 *) echo $flag ;;
2815 esac
2816 done
2817 }
2818
2819 msvc_common_flags(){
2820 for flag; do
2821 case $flag in
2822 # In addition to specifying certain flags under the compiler
2823 # specific filters, they must be specified here as well or else the
2824 # generic catch all at the bottom will print the original flag.
2825 -Wall) ;;
2826 -std=c99) ;;
2827 # Common flags
2828 -fomit-frame-pointer) ;;
2829 -g) echo -Z7 ;;
2830 -fno-math-errno) ;;
2831 -fno-common) ;;
2832 -fno-signed-zeros) ;;
2833 -fPIC) ;;
2834 -mthumb) ;;
2835 -march=*) ;;
2836 -lz) echo zlib.lib ;;
2837 -lavifil32) echo vfw32.lib ;;
2838 -lavicap32) echo vfw32.lib user32.lib ;;
2839 -l*) echo ${flag#-l}.lib ;;
2840 -L*) echo -libpath:${flag#-L} ;;
2841 *) echo $flag ;;
2842 esac
2843 done
2844 }
2845
2846 msvc_flags(){
2847 msvc_common_flags "$@"
2848 for flag; do
2849 case $flag in
2850 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2851 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2852 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2853 -wd4273 -wd4554 -wd4701 ;;
2854 esac
2855 done
2856 }
2857
2858 icl_flags(){
2859 msvc_common_flags "$@"
2860 for flag; do
2861 case $flag in
2862 # Despite what Intel's documentation says -Wall, which is supported
2863 # on Windows, does enable remarks so disable them here.
2864 -Wall) echo $flag -Qdiag-disable:remark ;;
2865 -std=c99) echo -Qstd=c99 ;;
2866 esac
2867 done
2868 }
2869
2870 pgi_flags(){
2871 for flag; do
2872 case $flag in
2873 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2874 -fomit-frame-pointer) echo -Mnoframe ;;
2875 -g) echo -gopt ;;
2876 *) echo $flag ;;
2877 esac
2878 done
2879 }
2880
2881 suncc_flags(){
2882 for flag; do
2883 case $flag in
2884 -march=*|-mcpu=*)
2885 case "${flag#*=}" in
2886 native) echo -xtarget=native ;;
2887 v9|niagara) echo -xarch=sparc ;;
2888 ultrasparc) echo -xarch=sparcvis ;;
2889 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2890 i586|pentium) echo -xchip=pentium ;;
2891 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2892 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2893 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2894 pentium4*) echo -xtarget=pentium4 ;;
2895 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2896 *-sse3) echo -xarch=sse3 ;;
2897 core2) echo -xarch=ssse3 -xchip=core2 ;;
2898 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2899 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2900 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
2901 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2902 k8|opteron|athlon64|athlon-fx)
2903 echo -xarch=sse2a ;;
2904 athlon*) echo -xarch=pentium_proa ;;
2905 esac
2906 ;;
2907 -std=c99) echo -xc99 ;;
2908 -fomit-frame-pointer) echo -xregs=frameptr ;;
2909 -fPIC) echo -KPIC -xcode=pic32 ;;
2910 -W*,*) echo $flag ;;
2911 -f*-*|-W*|-mimpure-text) ;;
2912 -shared) echo -G ;;
2913 *) echo $flag ;;
2914 esac
2915 done
2916 }
2917
2918 tms470_flags(){
2919 for flag; do
2920 case $flag in
2921 -march=*|-mcpu=*)
2922 case "${flag#*=}" in
2923 armv7-a|cortex-a*) echo -mv=7a8 ;;
2924 armv7-r|cortex-r*) echo -mv=7r4 ;;
2925 armv7-m|cortex-m*) echo -mv=7m3 ;;
2926 armv6*|arm11*) echo -mv=6 ;;
2927 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2928 echo -mv=5e ;;
2929 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2930 esac
2931 ;;
2932 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2933 -mfpu=vfp) echo --float_support=vfpv2 ;;
2934 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2935 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
2936 -msoft-float) echo --float_support=vfplib ;;
2937 -O[0-3]|-mf=*) echo $flag ;;
2938 -g) echo -g -mn ;;
2939 -pds=*) echo $flag ;;
2940 -D*|-I*) echo $flag ;;
2941 --gcc|--abi=*) echo $flag ;;
2942 -me) echo $flag ;;
2943 esac
2944 done
2945 }
2946
2947 probe_cc(){
2948 pfx=$1
2949 _cc=$2
2950
2951 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2952 unset _ld_o _ldflags _ld_lib _ld_path
2953 unset _depflags _DEPCMD _DEPFLAGS
2954 _flags_filter=echo
2955
2956 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2957 _type=llvm_gcc
2958 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
2959 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
2960 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2961 _cflags_speed='-O3'
2962 _cflags_size='-Os'
2963 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2964 _type=gcc
2965 gcc_version=$($_cc --version | head -n1)
2966 gcc_basever=$($_cc -dumpversion)
2967 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2968 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2969 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2970 if ! $_cc -dumpversion | grep -q '^2\.'; then
2971 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2972 fi
2973 _cflags_speed='-O3'
2974 _cflags_size='-Os'
2975 elif $_cc --version 2>/dev/null | grep -q ^icc; then
2976 _type=icc
2977 _ident=$($_cc --version | head -n1)
2978 _depflags='-MMD'
2979 _cflags_speed='-O3'
2980 _cflags_size='-Os'
2981 _cflags_noopt='-O1'
2982 elif $_cc -v 2>&1 | grep -q xlc; then
2983 _type=xlc
2984 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2985 _cflags_speed='-O5'
2986 _cflags_size='-O5 -qcompact'
2987 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2988 _type=ccc
2989 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2990 _DEPFLAGS='-M'
2991 _cflags_speed='-fast'
2992 _cflags_size='-O1'
2993 _flags_filter=ccc_flags
2994 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
2995 test -d "$sysroot" || die "No valid sysroot specified."
2996 _type=armcc
2997 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
2998 armcc_conf="$PWD/armcc.conf"
2999 $_cc --arm_linux_configure \
3000 --arm_linux_config_file="$armcc_conf" \
3001 --configure_sysroot="$sysroot" \
3002 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3003 die "Error creating armcc configuration file."
3004 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3005 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3006 as_default="${cross_prefix}gcc"
3007 _depflags='-MMD'
3008 _cflags_speed='-O3'
3009 _cflags_size='-Os'
3010 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3011 _type=tms470
3012 _ident=$($_cc -version | head -n1 | tr -s ' ')
3013 _flags='--gcc --abi=eabi -me'
3014 _cc_e='-ppl -fe=$@'
3015 _cc_o='-fe=$@'
3016 _depflags='-ppa -ppd=$(@:.o=.d)'
3017 _cflags_speed='-O3 -mf=5'
3018 _cflags_size='-O3 -mf=2'
3019 _flags_filter=tms470_flags
3020 elif $_cc -v 2>&1 | grep -q clang; then
3021 _type=clang
3022 _ident=$($_cc --version 2>/dev/null | head -n1)
3023 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3024 _cflags_speed='-O3'
3025 _cflags_size='-Os'
3026 elif $_cc -V 2>&1 | grep -q Sun; then
3027 _type=suncc
3028 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3029 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3030 _DEPFLAGS='-xM1 -xc99'
3031 _ldflags='-std=c99'
3032 _cflags_speed='-O5'
3033 _cflags_size='-O5 -xspace'
3034 _flags_filter=suncc_flags
3035 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3036 _type=pathscale
3037 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3038 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3039 _cflags_speed='-O2'
3040 _cflags_size='-Os'
3041 _flags_filter='filter_out -Wdisabled-optimization'
3042 elif $_cc -v 2>&1 | grep -q Open64; then
3043 _type=open64
3044 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3045 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3046 _cflags_speed='-O2'
3047 _cflags_size='-Os'
3048 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3049 elif $_cc -V 2>&1 | grep -q Portland; then
3050 _type=pgi
3051 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3052 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3053 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3054 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3055 _cflags_noopt="-O1"
3056 _flags_filter=pgi_flags
3057 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3058 _type=armasm
3059 _ident=$($_cc | head -n1)
3060 # 4509: "This form of conditional instruction is deprecated"
3061 _flags="-nologo -ignore 4509"
3062 _flags_filter=armasm_flags
3063 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3064 _type=msvc
3065 _ident=$($_cc 2>&1 | head -n1)
3066 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3067 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3068 _cflags_speed="-O2"
3069 _cflags_size="-O1"
3070 if $_cc -nologo- 2>&1 | grep -q Linker; then
3071 _ld_o='-out:$@'
3072 else
3073 _ld_o='-Fe$@'
3074 fi
3075 _cc_o='-Fo$@'
3076 _cc_e='-P -Fi$@'
3077 _flags_filter=msvc_flags
3078 _ld_lib='lib%.a'
3079 _ld_path='-libpath:'
3080 _flags='-nologo'
3081 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS'
3082 elif $_cc 2>&1 | grep -q Intel; then
3083 _type=icl
3084 _ident=$($_cc 2>&1 | head -n1)
3085 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3086 # Not only is O3 broken on 13.x+ but it is slower on all previous
3087 # versions (tested) as well.
3088 _cflags_speed="-O2"
3089 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3090 if $_cc 2>&1 | grep -q Linker; then
3091 _ld_o='-out:$@'
3092 else
3093 _ld_o='-Fe$@'
3094 fi
3095 _cc_o='-Fo$@'
3096 _cc_e='-P'
3097 _flags_filter=icl_flags
3098 _ld_lib='lib%.a'
3099 _ld_path='-libpath:'
3100 # -Qdiag-error to make icl error when seeing certain unknown arguments
3101 _flags='-nologo -Qdiag-error:4044,10157'
3102 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3103 # with MSVC which enables it by default.
3104 _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS'
3105 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3106 _type=cparser
3107 _ident=$($_cc --version | head -n1)
3108 _depflags='-MMD'
3109 _cflags_speed='-O4'
3110 _cflags_size='-O2'
3111 _flags_filter=cparser_flags
3112 fi
3113
3114 eval ${pfx}_type=\$_type
3115 eval ${pfx}_ident=\$_ident
3116 }
3117
3118 set_ccvars(){
3119 eval ${1}_C=\${_cc_c-\${${1}_C}}
3120 eval ${1}_E=\${_cc_e-\${${1}_E}}
3121 eval ${1}_O=\${_cc_o-\${${1}_O}}
3122
3123 if [ -n "$_depflags" ]; then
3124 eval ${1}_DEPFLAGS=\$_depflags
3125 else
3126 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3127 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3128 eval DEP${1}FLAGS=\$_flags
3129 fi
3130 }
3131
3132 probe_cc cc "$cc"
3133 cflags_filter=$_flags_filter
3134 cflags_speed=$_cflags_speed
3135 cflags_size=$_cflags_size
3136 cflags_noopt=$_cflags_noopt
3137 add_cflags $_flags $_cflags
3138 cc_ldflags=$_ldflags
3139 set_ccvars CC
3140
3141 probe_cc hostcc "$host_cc"
3142 host_cflags_filter=$_flags_filter
3143 add_host_cflags $_flags $_cflags
3144 set_ccvars HOSTCC
3145
3146 test -n "$cc_type" && enable $cc_type ||
3147 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3148
3149 : ${as_default:=$cc}
3150 : ${dep_cc_default:=$cc}
3151 : ${ld_default:=$cc}
3152 : ${host_ld_default:=$host_cc}
3153 set_default ar as dep_cc ld host_ld
3154
3155 probe_cc as "$as"
3156 asflags_filter=$_flags_filter
3157 add_asflags $_flags $_cflags
3158 set_ccvars AS
3159
3160 probe_cc ld "$ld"
3161 ldflags_filter=$_flags_filter
3162 add_ldflags $_flags $_ldflags
3163 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3164 LD_O=${_ld_o-$LD_O}
3165 LD_LIB=${_ld_lib-$LD_LIB}
3166 LD_PATH=${_ld_path-$LD_PATH}
3167
3168 probe_cc hostld "$host_ld"
3169 host_ldflags_filter=$_flags_filter
3170 add_host_ldflags $_flags $_ldflags
3171 HOSTLD_O=${_ld_o-$HOSTLD_O}
3172
3173 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3174 probe_cc depcc "$dep_cc"
3175 CCDEP=${_DEPCMD:-$DEPCMD}
3176 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3177 DEPCCFLAGS=$_flags
3178 fi
3179
3180 if $ar 2>&1 | grep -q Microsoft; then
3181 arflags="-nologo"
3182 ar_o='-out:$@'
3183 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3184 arflags="rq"
3185 ar_o='$@'
3186 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3187 arflags='-Xany -r -c'
3188 ar_o='$@'
3189 else
3190 arflags="rc"
3191 ar_o='$@'
3192 fi
3193
3194 add_cflags $extra_cflags
3195 add_asflags $extra_cflags
3196
3197 if test -n "$sysroot"; then
3198 case "$cc_type" in
3199 gcc|llvm_gcc|clang)
3200 add_cppflags --sysroot="$sysroot"
3201 add_ldflags --sysroot="$sysroot"
3202 ;;
3203 tms470)
3204 add_cppflags -I"$sysinclude"
3205 add_ldflags --sysroot="$sysroot"
3206 ;;
3207 esac
3208 fi
3209
3210 if test "$cpu" = host; then
3211 enabled cross_compile &&
3212 die "--cpu=host makes no sense when cross-compiling."
3213
3214 case "$cc_type" in
3215 gcc|llvm_gcc)
3216 check_native(){
3217 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3218 sed -n "/cc1.*$1=/{
3219 s/.*$1=\\([^ ]*\\).*/\\1/
3220 p
3221 q
3222 }" $TMPE
3223 }
3224 cpu=$(check_native -march || check_native -mcpu)
3225 ;;
3226 esac
3227
3228 test "${cpu:-host}" = host &&
3229 die "--cpu=host not supported with compiler $cc"
3230 fi
3231
3232 # Deal with common $arch aliases
3233 case "$arch" in
3234 aarch64|arm64)
3235 arch="aarch64"
3236 ;;
3237 arm*)
3238 arch="arm"
3239 ;;
3240 mips*|IP*)
3241 arch="mips"
3242 ;;
3243 parisc*|hppa*)
3244 arch="parisc"
3245 ;;
3246 "Power Macintosh"|ppc*|powerpc*)
3247 arch="ppc"
3248 ;;
3249 s390|s390x)
3250 arch="s390"
3251 ;;
3252 sh4|sh)
3253 arch="sh4"
3254 ;;
3255 sun4u|sparc*)
3256 arch="sparc"
3257 ;;
3258 tilegx|tile-gx)
3259 arch="tilegx"
3260 ;;
3261 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3262 arch="x86"
3263 ;;
3264 esac
3265
3266 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3267 enable $arch
3268
3269 # Add processor-specific flags
3270 if enabled aarch64; then
3271
3272 case $cpu in
3273 armv*)
3274 cpuflags="-march=$cpu"
3275 ;;
3276 *)
3277 cpuflags="-mcpu=$cpu"
3278 ;;
3279 esac
3280
3281 elif enabled alpha; then
3282
3283 cpuflags="-mcpu=$cpu"
3284
3285 elif enabled arm; then
3286
3287 check_arm_arch() {
3288 check_cpp_condition stddef.h \
3289 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3290 $cpuflags
3291 }
3292
3293 probe_arm_arch() {
3294 if check_arm_arch 4; then echo armv4;
3295 elif check_arm_arch 4T; then echo armv4t;
3296 elif check_arm_arch 5; then echo armv5;
3297 elif check_arm_arch 5E; then echo armv5e;
3298 elif check_arm_arch 5T; then echo armv5t;
3299 elif check_arm_arch 5TE; then echo armv5te;
3300 elif check_arm_arch 5TEJ; then echo armv5te;
3301 elif check_arm_arch 6; then echo armv6;
3302 elif check_arm_arch 6J; then echo armv6j;
3303 elif check_arm_arch 6K; then echo armv6k;
3304 elif check_arm_arch 6Z; then echo armv6z;
3305 elif check_arm_arch 6ZK; then echo armv6zk;
3306 elif check_arm_arch 6T2; then echo armv6t2;
3307 elif check_arm_arch 7; then echo armv7;
3308 elif check_arm_arch 7A 7_A; then echo armv7-a;
3309 elif check_arm_arch 7S; then echo armv7-a;
3310 elif check_arm_arch 7R 7_R; then echo armv7-r;
3311 elif check_arm_arch 7M 7_M; then echo armv7-m;
3312 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3313 elif check_arm_arch 8A 8_A; then echo armv8-a;
3314 fi
3315 }
3316
3317 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3318
3319 case $cpu in
3320 armv*)
3321 cpuflags="-march=$cpu"
3322 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3323 ;;
3324 *)
3325 cpuflags="-mcpu=$cpu"
3326 case $cpu in
3327 cortex-a*) subarch=armv7a ;;
3328 cortex-r*) subarch=armv7r ;;
3329 cortex-m*) enable thumb; subarch=armv7m ;;
3330 arm11*) subarch=armv6 ;;
3331 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3332 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3333 *) subarch=$(probe_arm_arch) ;;
3334 esac
3335 ;;
3336 esac
3337
3338 case "$subarch" in
3339 armv5t*) enable fast_clz ;;
3340 armv[6-8]*) enable fast_clz fast_unaligned ;;
3341 esac
3342
3343 elif enabled avr32; then
3344
3345 case $cpu in
3346 ap7[02]0[0-2])
3347 subarch="avr32_ap"
3348 cpuflags="-mpart=$cpu"
3349 ;;
3350 ap)
3351 subarch="avr32_ap"
3352 cpuflags="-march=$cpu"
3353 ;;
3354 uc3[ab]*)
3355 subarch="avr32_uc"
3356 cpuflags="-mcpu=$cpu"
3357 ;;
3358 uc)
3359 subarch="avr32_uc"
3360 cpuflags="-march=$cpu"
3361 ;;
3362 esac
3363
3364 elif enabled bfin; then
3365
3366 cpuflags="-mcpu=$cpu"
3367
3368 elif enabled mips; then
3369
3370 cpuflags="-march=$cpu"
3371
3372 elif enabled ppc; then
3373
3374 disable ldbrx
3375
3376 case $(tolower $cpu) in
3377 601|ppc601|powerpc601)
3378 cpuflags="-mcpu=601"
3379 disable altivec
3380 ;;
3381 603*|ppc603*|powerpc603*)
3382 cpuflags="-mcpu=603"
3383 disable altivec
3384 ;;
3385 604*|ppc604*|powerpc604*)
3386 cpuflags="-mcpu=604"
3387 disable altivec
3388 ;;
3389 g3|75*|ppc75*|powerpc75*)
3390 cpuflags="-mcpu=750"
3391 disable altivec
3392 ;;
3393 g4|745*|ppc745*|powerpc745*)
3394 cpuflags="-mcpu=7450"
3395 disable vsx
3396 ;;
3397 74*|ppc74*|powerpc74*)
3398 cpuflags="-mcpu=7400"
3399 disable vsx
3400 ;;
3401 g5|970|ppc970|powerpc970)
3402 cpuflags="-mcpu=970"
3403 disable vsx
3404 ;;
3405 power[3-6]*)
3406 cpuflags="-mcpu=$cpu"
3407 disable vsx
3408 ;;
3409 power[7-8]*)
3410 cpuflags="-mcpu=$cpu"
3411 enable ldbrx
3412 ;;
3413 cell)
3414 cpuflags="-mcpu=cell"
3415 enable ldbrx
3416 disable vsx
3417 ;;
3418 e500mc)
3419 cpuflags="-mcpu=e500mc"
3420 disable altivec
3421 ;;
3422 e500v2)
3423 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3424 disable altivec
3425 disable dcbzl
3426 ;;
3427 e500)
3428 cpuflags="-mcpu=8540 -mhard-float"
3429 disable altivec
3430 disable dcbzl
3431 ;;
3432 esac
3433
3434 elif enabled sparc; then
3435
3436 case $cpu in
3437 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3438 cpuflags="-mcpu=$cpu"
3439 ;;
3440 ultrasparc*|niagara[234])
3441 cpuflags="-mcpu=$cpu"
3442 ;;
3443 esac
3444
3445 elif enabled x86; then
3446
3447 case $cpu in
3448 i[345]86|pentium)
3449 cpuflags="-march=$cpu"
3450 disable i686
3451 disable mmx
3452 ;;
3453 # targets that do NOT support nopl and conditional mov (cmov)
3454 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3455 cpuflags="-march=$cpu"
3456 disable i686
3457 ;;
3458 # targets that do support nopl and conditional mov (cmov)
3459 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3460 cpuflags="-march=$cpu"
3461 enable i686
3462 enable fast_cmov
3463 ;;
3464 # targets that do support conditional mov but on which it's slow
3465 pentium4|pentium4m|prescott|nocona)
3466 cpuflags="-march=$cpu"
3467 enable i686
3468 disable fast_cmov
3469 ;;
3470 esac
3471
3472 fi
3473
3474 if [ "$cpu" != generic ]; then
3475 add_cflags $cpuflags
3476 add_asflags $cpuflags
3477 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
3478 fi
3479
3480 # compiler sanity check
3481 check_exec <<EOF
3482 int main(void){ return 0; }
3483 EOF
3484 if test "$?" != 0; then
3485 echo "$cc is unable to create an executable file."
3486 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3487 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3488 echo "Only do this if you know what cross compiling means."
3489 fi
3490 die "C compiler test failed."
3491 fi
3492
3493 add_cppflags -D_ISOC99_SOURCE
3494 check_cflags -std=c99
3495 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3496 #include <stdlib.h>
3497 EOF
3498 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3499 #include <stdlib.h>
3500 EOF
3501
3502 add_host_cppflags -D_ISOC99_SOURCE
3503 check_host_cflags -std=c99
3504 check_host_cflags -Wall
3505 check_host_cflags -O3
3506
3507 check_64bit(){
3508 arch32=$1
3509 arch64=$2
3510 expr=$3
3511 check_code cc "" "int test[2*($expr) - 1]" &&
3512 subarch=$arch64 || subarch=$arch32
3513 }
3514
3515 case "$arch" in
3516 aarch64|alpha|ia64)
3517 spic=$shared
3518 ;;
3519 mips)
3520 check_64bit mips mips64 '_MIPS_SIM > 1'
3521 spic=$shared
3522 ;;
3523 parisc)
3524 check_64bit parisc parisc64 'sizeof(void *) > 4'
3525 spic=$shared
3526 ;;
3527 ppc)
3528 check_64bit ppc ppc64 'sizeof(void *) > 4'
3529 spic=$shared
3530 ;;
3531 s390)
3532 check_64bit s390 s390x 'sizeof(void *) > 4'
3533 spic=$shared
3534 ;;
3535 sparc)
3536 check_64bit sparc sparc64 'sizeof(void *) > 4'
3537 spic=$shared
3538 ;;
3539 x86)
3540 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3541 if test "$subarch" = "x86_64"; then
3542 spic=$shared
3543 fi
3544 ;;
3545 esac
3546
3547 enable $subarch
3548 enabled spic && enable_weak pic
3549
3550 # OS specific
3551 case $target_os in
3552 aix)
3553 SHFLAGS=-shared
3554 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3555 enabled shared && add_ldflags -Wl,-brtl
3556 ;;
3557 android)
3558 disable symver
3559 enable section_data_rel_ro
3560 SLIB_INSTALL_NAME='$(SLIBNAME)'
3561 SLIB_INSTALL_LINKS=
3562 # soname not set on purpose
3563 SHFLAGS=-shared
3564 ;;
3565 haiku)
3566 prefix_default="/boot/common"
3567 network_extralibs="-lnetwork"
3568 host_libs=
3569 ;;
3570 sunos)
3571 SHFLAGS='-shared -Wl,-h,$$(@F)'
3572 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3573 network_extralibs="-lsocket -lnsl"
3574 # When using suncc to build, the Solaris linker will mark
3575 # an executable with each instruction set encountered by
3576 # the Solaris assembler. As our libraries contain their own
3577 # guards for processor-specific code, instead suppress
3578 # generation of the HWCAPS ELF section on Solaris x86 only.
3579 enabled_all suncc x86 &&
3580 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3581 add_ldflags -Wl,-M,mapfile
3582 nm_default='nm -P -g'
3583 ;;
3584 netbsd)
3585 disable symver
3586 oss_indev_extralibs="-lossaudio"
3587 oss_outdev_extralibs="-lossaudio"
3588 ;;
3589 openbsd|bitrig)
3590 disable symver
3591 SHFLAGS='-shared'
3592 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3593 SLIB_INSTALL_LINKS=
3594 oss_indev_extralibs="-lossaudio"
3595 oss_outdev_extralibs="-lossaudio"
3596 ;;
3597 dragonfly)
3598 disable symver
3599 ;;
3600 freebsd)
3601 ;;
3602 bsd/os)
3603 add_extralibs -lpoll -lgnugetopt
3604 ;;
3605 darwin)
3606 enabled ppc && add_asflags -force_cpusubtype_ALL
3607 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3608 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3609 add_ldflags -Wl,-dynamic,-search_paths_first
3610 SLIBSUF=".dylib"
3611 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3612 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3613 objformat="macho"
3614 enabled x86_64 && objformat="macho64"
3615 enabled_any pic shared ||
3616 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3617 ;;
3618 mingw32*)
3619 if test $target_os = "mingw32ce"; then
3620 disable network
3621 else
3622 target_os=mingw32
3623 fi
3624 LIBTARGET=i386
3625 if enabled x86_64; then
3626 LIBTARGET="i386:x86-64"
3627 elif enabled arm; then
3628 LIBTARGET=arm-wince
3629 fi
3630 check_ldflags -Wl,--nxcompat
3631 check_ldflags -Wl,--dynamicbase
3632 shlibdir_default="$bindir_default"
3633 SLIBPREF=""
3634 SLIBSUF=".dll"
3635 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3636 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3637 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3638 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3639 SLIB_INSTALL_LINKS=
3640 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3641 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3642 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3643 objformat="win32"
3644 dlltool="${cross_prefix}dlltool"
3645 ranlib=:
3646 enable dos_paths
3647 ;;
3648 win32|win64)
3649 disable symver
3650 if enabled shared; then
3651 # Link to the import library instead of the normal static library
3652 # for shared libs.
3653 LD_LIB='%.lib'
3654 # Cannot build both shared and static libs with MSVC or icl.
3655 disable static
3656 fi
3657 shlibdir_default="$bindir_default"
3658 SLIBPREF=""
3659 SLIBSUF=".dll"
3660 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3661 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3662 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3663 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3664 SLIB_INSTALL_LINKS=
3665 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3666 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3667 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3668 objformat="win32"
3669 ranlib=:
3670 enable dos_paths
3671 ;;
3672 cygwin*)
3673 target_os=cygwin
3674 shlibdir_default="$bindir_default"
3675 SLIBPREF="cyg"
3676 SLIBSUF=".dll"
3677 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3678 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3679 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3680 SLIB_INSTALL_LINKS=
3681 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3682 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3683 objformat="win32"
3684 enable dos_paths
3685 ;;
3686 *-dos|freedos|opendos)
3687 network_extralibs="-lsocket"
3688 objformat="coff"
3689 enable dos_paths
3690 add_cppflags -U__STRICT_ANSI__
3691 ;;
3692 linux)
3693 enable dv1394
3694 enable section_data_rel_ro
3695 ;;
3696 irix*)
3697 target_os=irix
3698 ranlib="echo ignoring ranlib"
3699 ;;
3700 os/2*)
3701 ln_s="cp -f"
3702 objformat="aout"
3703 add_cppflags -D_GNU_SOURCE
3704 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3705 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3706 LIBSUF="_s.a"
3707 SLIBPREF=""
3708 SLIBSUF=".dll"
3709 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3710 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3711 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3712 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \