configure: Drop unused or internally-used entries from variable lists
[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:$PATH
58
59 show_help(){
60 cat <<EOF
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
63
64 Help options:
65 --help print this message
66 --quiet Suppress showing informative output
67 --list-decoders show all available decoders
68 --list-encoders show all available encoders
69 --list-hwaccels show all available hardware accelerators
70 --list-demuxers show all available demuxers
71 --list-muxers show all available muxers
72 --list-parsers show all available parsers
73 --list-protocols show all available protocols
74 --list-bsfs show all available bitstream filters
75 --list-indevs show all available input devices
76 --list-outdevs show all available output devices
77 --list-filters show all available filters
78
79 Standard options:
80 --logfile=FILE log tests and output to FILE [avbuild/config.log]
81 --disable-logging do not log configure debug information
82 --prefix=PREFIX install in PREFIX [$prefix_default]
83 --bindir=DIR install binaries in DIR [PREFIX/bin]
84 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
85 --docdir=DIR install documentation in DIR [PREFIX/share/doc/libav]
86 --libdir=DIR install libs in DIR [PREFIX/lib]
87 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
88 --incdir=DIR install includes in DIR [PREFIX/include]
89 --mandir=DIR install man page in DIR [PREFIX/share/man]
90 --enable-rpath use rpath when linking programs (USE WITH CARE)
91
92 Licensing options:
93 --enable-gpl allow use of GPL code, the resulting libs
94 and binaries will be under GPL [no]
95 --enable-version3 upgrade (L)GPL to version 3 [no]
96 --enable-nonfree allow use of nonfree code, the resulting libs
97 and binaries will be unredistributable [no]
98
99 Configuration options:
100 --disable-static do not build static libraries [no]
101 --enable-shared build shared libraries [no]
102 --enable-small optimize for size instead of speed
103 --enable-runtime-cpudetect detect CPU capabilities at runtime (bigger binary)
104 --enable-gray enable full grayscale support (slower color)
105 --disable-swscale-alpha disable alpha channel support in swscale
106 --disable-all disable building components, libraries and programs
107
108 Program options:
109 --disable-programs do not build command line programs
110 --disable-avconv disable avconv build
111 --disable-avplay disable avplay build
112 --disable-avprobe disable avprobe build
113 --disable-avserver deprecated, does nothing
114
115 Component options:
116 --disable-doc do not build documentation
117 --disable-pod2man do not build manual pages
118 --disable-texi2html do not build HTML documentation
119 --disable-avdevice disable libavdevice build
120 --disable-avcodec disable libavcodec build
121 --disable-avformat disable libavformat build
122 --disable-avutil disable libavutil build
123 --disable-swscale disable libswscale build
124 --disable-avfilter disable video filter support [no]
125 --disable-avresample disable libavresample build [no]
126 --disable-pthreads disable pthreads [auto]
127 --disable-w32threads disable Win32 threads [auto]
128 --disable-network disable network support [no]
129 --disable-dct disable DCT code
130 --disable-error-resilience disable error resilience code
131 --disable-lsp disable LSP code
132 --disable-lzo disable LZO decoder code
133 --disable-mdct disable MDCT code
134 --disable-rdft disable RDFT code
135 --disable-fft disable FFT code
136 --disable-faan disable floating point AAN (I)DCT code
137
138 Individual component options:
139 --disable-everything disable all components listed below
140 --disable-encoder=NAME disable encoder NAME
141 --enable-encoder=NAME enable encoder NAME
142 --disable-encoders disable all encoders
143 --disable-decoder=NAME disable decoder NAME
144 --enable-decoder=NAME enable decoder NAME
145 --disable-decoders disable all decoders
146 --disable-hwaccel=NAME disable hwaccel NAME
147 --enable-hwaccel=NAME enable hwaccel NAME
148 --disable-hwaccels disable all hwaccels
149 --disable-muxer=NAME disable muxer NAME
150 --enable-muxer=NAME enable muxer NAME
151 --disable-muxers disable all muxers
152 --disable-demuxer=NAME disable demuxer NAME
153 --enable-demuxer=NAME enable demuxer NAME
154 --disable-demuxers disable all demuxers
155 --enable-parser=NAME enable parser NAME
156 --disable-parser=NAME disable parser NAME
157 --disable-parsers disable all parsers
158 --enable-bsf=NAME enable bitstream filter NAME
159 --disable-bsf=NAME disable bitstream filter NAME
160 --disable-bsfs disable all bitstream filters
161 --enable-protocol=NAME enable protocol NAME
162 --disable-protocol=NAME disable protocol NAME
163 --disable-protocols disable all protocols
164 --enable-indev=NAME enable input device NAME
165 --disable-indev=NAME disable input device NAME
166 --disable-indevs disable input devices
167 --enable-outdev=NAME enable output device NAME
168 --disable-outdev=NAME disable output device NAME
169 --disable-outdevs disable output devices
170 --disable-devices disable all devices
171 --enable-filter=NAME enable filter NAME
172 --disable-filter=NAME disable filter NAME
173 --disable-filters disable all filters
174
175 External library support:
176
177 Using any of the following switches will allow Libav to link to the
178 corresponding external library. All the components depending on that library
179 will become enabled, if all their other dependencies are met and they are not
180 explicitly disabled. E.g. --enable-libwavpack will enable linking to
181 libwavpack and allow the libwavpack encoder to be built, unless it is
182 specifically disabled with --disable-encoder=libwavpack.
183
184 Note that only the system libraries are auto-detected. All the other external
185 libraries must be explicitly enabled.
186
187 Also note that the following help text describes the purpose of the libraries
188 themselves, not all their features will necessarily be usable by Libav.
189
190 --enable-avisynth video frameserver
191 --enable-avxsynth Linux version of AviSynth
192 --enable-bzlib bzip2 compression [autodetect]
193 --enable-frei0r video filtering plugins
194 --enable-gnutls crypto
195 --enable-libbs2b Bauer stereophonic-to-binaural DSP
196 --enable-libcdio audio CD input
197 --enable-libdc1394 IEEE 1394/Firewire camera input
198 --enable-libdcadec DCA audio decoding
199 --enable-libfaac AAC audio encoding
200 --enable-libfdk-aac AAC audio encoding/decoding
201 --enable-libfontconfig font configuration and management
202 --enable-libfreetype font rendering
203 --enable-libgsm GSM audio encoding/decoding
204 --enable-libhdcd HDCD decoding filter
205 --enable-libilbc ILBC audio encoding/decoding
206 --enable-libjack JACK audio sound server
207 --enable-libkvazaar HEVC video encoding
208 --enable-libmp3lame MP3 audio encoding
209 --enable-libopencore-amrnb AMR-NB audio encoding/decoding
210 --enable-libopencore-amrwb AMR-WB audio decoding
211 --enable-libopencv computer vision
212 --enable-libopenh264 H.264 video encoding/decoding
213 --enable-libopenjpeg JPEG 2000 image encoding/decoding
214 --enable-libopus Opus audio encoding/decoding
215 --enable-libpulse Pulseaudio sound server
216 --enable-librtmp RTMP streaming
217 --enable-libschroedinger Dirac video encoding/decoding
218 --enable-libsnappy snappy compression
219 --enable-libspeex Speex audio encoding/decoding
220 --enable-libtheora Theora video encoding/decoding
221 --enable-libtwolame MP2 audio encoding
222 --enable-libvo-aacenc AAC audio encoding
223 --enable-libvo-amrwbenc AMR-WB audio encoding
224 --enable-libvorbis Vorbis audio encoding/decoding
225 --enable-libvpx VP* video encoding/decoding
226 --enable-libwavpack Wavpack audio encoding/decoding
227 --enable-libwebp WebP image encoding/decoding
228 --enable-libx264 H.264 video encoding
229 --enable-libx265 HEVC video encoding
230 --enable-libxavs Chinese AVS video encoding
231 --enable-libxcb X window system protocol communication
232 --enable-libxcb-shm X11 shm communication [auto]
233 --enable-libxcb-xfixes X11 mouse rendering [auto]
234 --enable-libxvid MPEG-4 ASP video encoding
235 --enable-openssl crypto
236 --enable-zlib compression [autodetect]
237
238 The following libraries provide various hardware acceleration features:
239 --enable-cuda Nvidia CUDA (dynamically linked)
240 --enable-cuvid Nvidia CUVID video decode acceleration
241 --enable-d3d11va Microsoft Direct3D 11 video acceleration [auto]
242 --enable-dxva2 Microsoft DirectX 9 video acceleration [auto]
243 --enable-libmfx Intel MediaSDK (AKA Quick Sync Video)
244 --enable-libnpp Nvidia CUDA processing
245 --enable-mmal Broadcom Multi-Media Abstraction Layer (Raspberry Pi)
246 --enable-nvenc Nvidia video encoding
247 --enable-omx OpenMAX IL
248 --enable-omx-rpi OpenMAX IL for Raspberry Pi
249 --enable-vaapi Video Acceleration API (mainly Unix/Intel)
250 --enable-vda Apple Video Decode Acceleration [auto]
251 --enable-vdpau Nvidia Video Decode and Presentation API for Unix [auto]
252
253 Toolchain options:
254 --arch=ARCH select architecture [$arch]
255 --cpu=CPU select the minimum required CPU (affects
256 instruction selection, may crash on older CPUs)
257 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
258 --enable-cross-compile assume a cross-compiler is used
259 --sysroot=PATH root of cross-build tree
260 --sysinclude=PATH location of cross-build system headers
261 --target-os=OS compiler targets OS [$target_os]
262 --target-exec=CMD command to run executables on target
263 --target-path=DIR path to view of build directory on target
264 --target-samples=DIR path to samples directory on target
265 --toolchain=NAME set tool defaults according to NAME
266 --nm=NM use nm tool
267 --ar=AR use archive tool AR [$ar_default]
268 --as=AS use assembler AS [$as_default]
269 --cc=CC use C compiler CC [$cc_default]
270 --objcc=OCC use ObjC compiler OCC [$cc_default]
271 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
272 --ld=LD use linker LD
273 --x86asmexe=X86ASM use x86 assembler X86ASM
274 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
275 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
276 --host-cc=HOSTCC use host C compiler HOSTCC
277 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
278 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
279 --host-ld=HOSTLD use host linker HOSTLD
280 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
281 --host-libs=HLIBS use libs HLIBS when linking for host
282 --host-os=OS compiler host OS [$target_os]
283 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
284 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
285 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
286 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
287 --extra-ldsoflags=ELDFLAGS add ELDFLAGS to LDSOFLAGS [$LDSOFLAGS]
288 --extra-libs=ELIBS add ELIBS [$ELIBS]
289 --extra-version=STRING version string suffix []
290 --optflags=OPTFLAGS override optimization-related compiler flags
291 --enable-pic build position-independent code
292 --enable-thumb compile for Thumb instruction set
293 --enable-lto use link-time optimization
294 --env="ENV=override" override the environment variables
295
296 Advanced options (experts only):
297 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
298 --custom-allocator=NAME use a supported custom allocator
299 --disable-symver disable symbol versioning
300 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
301 --disable-safe-bitstream-reader
302 disable buffer boundary checking in bitreaders
303 (faster, but may crash)
304 --enable-sram allow use of on-chip SRAM
305
306 Optimization options (experts only):
307 --disable-asm disable all assembly optimizations
308 --disable-altivec disable AltiVec optimizations
309 --disable-vsx disable VSX optimizations
310 --disable-power8 disable POWER8 optimizations
311 --disable-amd3dnow disable 3DNow! optimizations
312 --disable-amd3dnowext disable 3DNow! extended optimizations
313 --disable-mmx disable MMX optimizations
314 --disable-mmxext disable MMXEXT optimizations
315 --disable-sse disable SSE optimizations
316 --disable-sse2 disable SSE2 optimizations
317 --disable-sse3 disable SSE3 optimizations
318 --disable-ssse3 disable SSSE3 optimizations
319 --disable-sse4 disable SSE4 optimizations
320 --disable-sse42 disable SSE4.2 optimizations
321 --disable-avx disable AVX optimizations
322 --disable-xop disable XOP optimizations
323 --disable-fma3 disable FMA3 optimizations
324 --disable-fma4 disable FMA4 optimizations
325 --disable-avx2 disable AVX2 optimizations
326 --disable-armv5te disable armv5te optimizations
327 --disable-armv6 disable armv6 optimizations
328 --disable-armv6t2 disable armv6t2 optimizations
329 --disable-vfp disable VFP optimizations
330 --disable-neon disable NEON optimizations
331 --disable-inline-asm disable use of inline assembly
332 --disable-x86asm disable use of standalone x86 assembly
333
334 Developer options (useful when working on Libav itself):
335 --disable-debug disable debugging symbols
336 --enable-debug=LEVEL set the debug level [$debuglevel]
337 --disable-optimizations disable compiler optimizations
338 --enable-extra-warnings enable more compiler warnings
339 --samples=PATH location of test samples for FATE, if not set use
340 \$LIBAV_SAMPLES at make invocation time.
341 --enable-neon-clobber-test check NEON registers for clobbering (should be
342 used only for debugging purposes)
343 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
344 should be used only for debugging purposes)
345 --enable-random randomly enable/disable components
346 --disable-random
347 --enable-random=LIST randomly enable/disable specific components or
348 --disable-random=LIST component groups. LIST is a comma-separated list
349 of NAME[:PROB] entries where NAME is a component
350 (group) and PROB the probability associated with
351 NAME (default 0.5).
352 --random-seed=VALUE seed value for --enable/disable-random
353 --disable-valgrind-backtrace do not print a backtrace under Valgrind
354 (only applies to --disable-optimizations builds)
355 --ignore-tests=TESTS comma-separated list (without "fate-" prefix
356 in the name) of tests whose result is ignored
357
358 NOTE: Object files are built at the place where configure is launched.
359 EOF
360 exit 0
361 }
362
363 quotes='""'
364
365 log(){
366 echo "$@" >> $logfile
367 }
368
369 log_file(){
370 log BEGIN $1
371 i=1
372 while read line; do
373 printf '%5s %s\n' "${i}" "${line}"
374 i=$(($i+1))
375 done < $1 >> $logfile
376 log END $1
377 }
378
379 echolog(){
380 log "$@"
381 echo "$@"
382 }
383
384 warn(){
385 log "WARNING: $*"
386 WARNINGS="${WARNINGS}WARNING: $*\n"
387 }
388
389 die(){
390 echolog "$@"
391 cat <<EOF
392
393 If you think configure made a mistake, make sure you are using the latest
394 version from Git. If the latest version fails, report the problem to the
395 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
396 EOF
397 if disabled logging; then
398 cat <<EOF
399 Rerun configure with logging enabled (do not use --disable-logging), and
400 include the log this produces with your report.
401 EOF
402 else
403 cat <<EOF
404 Include the log file "$logfile" produced by configure as this will help
405 solving the problem.
406 EOF
407 fi
408 exit 1
409 }
410
411 # Avoid locale weirdness, besides we really just want to translate ASCII.
412 toupper(){
413 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
414 }
415
416 tolower(){
417 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
418 }
419
420 c_escape(){
421 echo "$*" | sed 's/["\\]/\\\0/g'
422 }
423
424 sh_quote(){
425 v=$(echo "$1" | sed "s/'/'\\\\''/g")
426 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
427 echo "$v"
428 }
429
430 cleanws(){
431 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
432 }
433
434 filter(){
435 pat=$1
436 shift
437 for v; do
438 eval "case '$v' in $pat) printf '%s ' '$v' ;; esac"
439 done
440 }
441
442 filter_out(){
443 pat=$1
444 shift
445 for v; do
446 eval "case '$v' in $pat) ;; *) printf '%s ' '$v' ;; esac"
447 done
448 }
449
450 map(){
451 m=$1
452 shift
453 for v; do eval $m; done
454 }
455
456 add_suffix(){
457 suffix=$1
458 shift
459 for v; do echo ${v}${suffix}; done
460 }
461
462 set_all(){
463 value=$1
464 shift
465 for var in $*; do
466 eval $var=$value
467 done
468 }
469
470 set_weak(){
471 value=$1
472 shift
473 for var; do
474 eval : \${$var:=$value}
475 done
476 }
477
478 sanitize_var_name(){
479 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
480 }
481
482 set_sanitized(){
483 var=$1
484 shift
485 eval $(sanitize_var_name "$var")='$*'
486 }
487
488 get_sanitized(){
489 eval echo \$$(sanitize_var_name "$1")
490 }
491
492 pushvar(){
493 for pvar in $*; do
494 eval level=\${${pvar}_level:=0}
495 eval ${pvar}_${level}="\$$pvar"
496 eval ${pvar}_level=$(($level+1))
497 done
498 }
499
500 popvar(){
501 for pvar in $*; do
502 eval level=\${${pvar}_level:-0}
503 test $level = 0 && continue
504 eval level=$(($level-1))
505 eval $pvar="\${${pvar}_${level}}"
506 eval ${pvar}_level=$level
507 eval unset ${pvar}_${level}
508 done
509 }
510
511 enable(){
512 set_all yes $*
513 }
514
515 disable(){
516 set_all no $*
517 }
518
519 enable_weak(){
520 set_weak yes $*
521 }
522
523 disable_weak(){
524 set_weak no $*
525 }
526
527 enable_sanitized(){
528 for var; do
529 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
530 done
531 }
532
533 disable_sanitized(){
534 for var; do
535 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
536 done
537 }
538
539 do_enable_deep(){
540 for var; do
541 enabled $var && continue
542 eval sel="\$${var}_select"
543 eval sgs="\$${var}_suggest"
544 pushvar var sgs
545 enable_deep $sel
546 popvar sgs
547 enable_deep_weak $sgs
548 popvar var
549 done
550 }
551
552 enable_deep(){
553 do_enable_deep $*
554 enable $*
555 }
556
557 enable_deep_weak(){
558 for var; do
559 disabled $var && continue
560 pushvar var
561 do_enable_deep $var
562 popvar var
563 enable_weak $var
564 done
565 }
566
567 enabled(){
568 test "${1#!}" = "$1" && op== || op=!=
569 eval test "x\$${1#!}" $op "xyes"
570 }
571
572 disabled(){
573 test "${1#!}" = "$1" && op== || op=!=
574 eval test "x\$${1#!}" $op "xno"
575 }
576
577 enabled_all(){
578 for opt; do
579 enabled $opt || return 1
580 done
581 }
582
583 disabled_all(){
584 for opt; do
585 disabled $opt || return 1
586 done
587 }
588
589 enabled_any(){
590 for opt; do
591 enabled $opt && return 0
592 done
593 }
594
595 disabled_any(){
596 for opt; do
597 disabled $opt && return 0
598 done
599 return 1
600 }
601
602 set_default(){
603 for opt; do
604 eval : \${$opt:=\$${opt}_default}
605 done
606 }
607
608 is_in(){
609 value=$1
610 shift
611 for var in $*; do
612 [ $var = $value ] && return 0
613 done
614 return 1
615 }
616
617 check_deps(){
618 for cfg; do
619 enabled ${cfg}_checking && die "Circular dependency for $cfg."
620 disabled ${cfg}_checking && continue
621 enable ${cfg}_checking
622
623 eval dep_all="\$${cfg}_deps"
624 eval dep_any="\$${cfg}_deps_any"
625 eval dep_con="\$${cfg}_conflict"
626 eval dep_sel="\$${cfg}_select"
627 eval dep_sgs="\$${cfg}_suggest"
628 eval dep_ifa="\$${cfg}_if"
629 eval dep_ifn="\$${cfg}_if_any"
630
631 pushvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
632 check_deps $dep_all $dep_any $dep_con $dep_sel $dep_sgs $dep_ifa $dep_ifn
633 popvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
634
635 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
636 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
637 enabled_all $dep_all || disable $cfg
638 enabled_any $dep_any || disable $cfg
639 disabled_all $dep_con || disable $cfg
640 disabled_any $dep_sel && disable $cfg
641
642 enabled $cfg && enable_deep_weak $dep_sel $dep_sgs
643
644 for dep in $dep_all $dep_any $dep_sel $dep_sgs; do
645 # filter out library deps, these do not belong in extralibs
646 is_in $dep $LIBRARY_LIST && continue
647 enabled $dep && eval append ${cfg}_extralibs ${dep}_extralibs
648 done
649
650 disable ${cfg}_checking
651 done
652 }
653
654 print_config(){
655 pfx=$1
656 files=$2
657 shift 2
658 map 'eval echo "$v \${$v:-no}"' "$@" |
659 awk "BEGIN { split(\"$files\", files) }
660 {
661 c = \"$pfx\" toupper(\$1);
662 v = \$2;
663 sub(/yes/, 1, v);
664 sub(/no/, 0, v);
665 for (f in files) {
666 file = files[f];
667 if (file ~ /\\.h\$/) {
668 printf(\"#define %s %d\\n\", c, v) >>file;
669 } else if (file ~ /\\.asm\$/) {
670 printf(\"%%define %s %d\\n\", c, v) >>file;
671 } else if (file ~ /\\.mak\$/) {
672 n = -v ? \"\" : \"!\";
673 printf(\"%s%s=yes\\n\", n, c) >>file;
674 }
675 }
676 }"
677 }
678
679 print_enabled(){
680 suf=$1
681 shift
682 for v; do
683 enabled $v && printf "%s\n" ${v%$suf}
684 done
685 }
686
687 append(){
688 var=$1
689 shift
690 eval "$var=\"\$$var $*\""
691 }
692
693 prepend(){
694 var=$1
695 shift
696 eval "$var=\"$* \$$var\""
697 }
698
699 unique(){
700 var=$1
701 uniq_list=""
702 for tok in $(eval echo \$$var); do
703 uniq_list="$(filter_out $tok $uniq_list) $tok"
704 done
705 eval "$var=\"${uniq_list}\""
706 }
707
708 resolve(){
709 var=$1
710 tmpvar=
711 for entry in $(eval echo \$$var); do
712 tmpvar="$tmpvar $(eval echo \$${entry})"
713 done
714 eval "$var=\"${tmpvar}\""
715 }
716
717 add_cppflags(){
718 append CPPFLAGS "$@"
719 }
720
721 add_cflags(){
722 append CFLAGS $($cflags_filter "$@")
723 }
724
725 add_cflags_headers(){
726 append CFLAGS_HEADERS $($cflags_filter "$@")
727 }
728
729 add_asflags(){
730 append ASFLAGS $($asflags_filter "$@")
731 }
732
733 add_objcflags(){
734 append OBJCFLAGS $($objcflags_filter "$@")
735 }
736
737 add_ldflags(){
738 append LDFLAGS $($ldflags_filter "$@")
739 }
740
741 add_ldexeflags(){
742 append LDEXEFLAGS $($ldflags_filter "$@")
743 }
744
745 add_ldsoflags(){
746 append LDSOFLAGS $($ldflags_filter "$@")
747 }
748
749 add_stripflags(){
750 append STRIPFLAGS "$@"
751 }
752
753 add_extralibs(){
754 prepend extralibs $($ldflags_filter "$@")
755 }
756
757 add_host_cppflags(){
758 append host_cppflags "$@"
759 }
760
761 add_host_cflags(){
762 append host_cflags $($host_cflags_filter "$@")
763 }
764
765 add_host_ldflags(){
766 append host_ldflags $($host_ldflags_filter "$@")
767 }
768
769 add_compat(){
770 append compat_objs $1
771 shift
772 map 'add_cppflags -D$v' "$@"
773 }
774
775 check_cmd(){
776 log "$@"
777 "$@" >> $logfile 2>&1
778 }
779
780 cc_o(){
781 eval printf '%s\\n' $CC_O
782 }
783
784 cc_e(){
785 eval printf '%s\\n' $CC_E
786 }
787
788 check_cc(){
789 log check_cc "$@"
790 cat > $TMPC
791 log_file $TMPC
792 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
793 }
794
795 check_objcc(){
796 log check_objcc "$@"
797 cat > $TMPC
798 log_file $TMPC
799 check_cmd $objcc $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPC
800 }
801
802 check_cpp(){
803 log check_cpp "$@"
804 cat > $TMPC
805 log_file $TMPC
806 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
807 }
808
809 as_o(){
810 eval printf '%s\\n' $AS_O
811 }
812
813 check_as(){
814 log check_as "$@"
815 cat > $TMPS
816 log_file $TMPS
817 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
818 }
819
820 check_inline_asm(){
821 log check_inline_asm "$@"
822 name="$1"
823 code="$2"
824 shift 2
825 disable $name
826 check_cc "$@" <<EOF && enable $name
827 void foo(void){ __asm__ volatile($code); }
828 EOF
829 }
830
831 check_insn(){
832 log check_insn "$@"
833 check_inline_asm ${1}_inline "\"$2\""
834 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
835 }
836
837 check_x86asm(){
838 log check_x86asm "$@"
839 echo "$1" > $TMPS
840 log_file $TMPS
841 shift 1
842 check_cmd $x86asmexe $X86ASMFLAGS "$@" -o $TMPO $TMPS
843 }
844
845 ld_o(){
846 eval printf '%s\\n' $LD_O
847 }
848
849 check_ld(){
850 log check_ld "$@"
851 flags=$(filter_out '-l*' "$@")
852 libs=$(filter '-l*' "$@")
853 check_cc $($cflags_filter $flags) || return
854 flags=$($ldflags_filter $flags)
855 libs=$($ldflags_filter $libs)
856 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
857 }
858
859 print_include(){
860 hdr=$1
861 test "${hdr%.h}" = "${hdr}" &&
862 echo "#include $hdr" ||
863 echo "#include <$hdr>"
864 }
865
866 check_code(){
867 log check_code "$@"
868 check=$1
869 headers=$2
870 code=$3
871 shift 3
872 {
873 for hdr in $headers; do
874 print_include $hdr
875 done
876 echo "int main(void) { $code; return 0; }"
877 } | check_$check "$@"
878 }
879
880 check_cppflags(){
881 log check_cppflags "$@"
882 check_cpp "$@" <<EOF && append CPPFLAGS "$@"
883 #include <stdlib.h>;
884 EOF
885 }
886
887 test_cflags(){
888 log test_cflags "$@"
889 set -- $($cflags_filter "$@")
890 check_cc "$@" <<EOF
891 int x;
892 EOF
893 }
894
895 check_cflags(){
896 log check_cflags "$@"
897 test_cflags "$@" && add_cflags "$@"
898 }
899
900 test_objcflags(){
901 log test_objcflags "$@"
902 set -- $($objcflags_filter "$@")
903 check_objcc "$@" <<EOF
904 int x;
905 EOF
906 }
907
908 check_objcflags(){
909 log check_objcflags "$@"
910 test_objcflags "$@" && add_objcflags "$@"
911 }
912
913 test_ldflags(){
914 log test_ldflags "$@"
915 check_ld "$@" <<EOF
916 int main(void){ return 0; }
917 EOF
918 }
919
920 check_ldflags(){
921 log check_ldflags "$@"
922 test_ldflags "$@" && add_ldflags "$@"
923 }
924
925 test_stripflags(){
926 log test_stripflags "$@"
927 # call check_cc to get a fresh TMPO
928 check_cc <<EOF
929 int main(void) { return 0; }
930 EOF
931 check_cmd $strip $STRIPFLAGS "$@" $TMPO
932 }
933
934 check_stripflags(){
935 log check_stripflags "$@"
936 test_stripflags "$@" && add_stripflags "$@"
937 }
938
939 check_header(){
940 log check_header "$@"
941 header=$1
942 shift
943 disable_sanitized $header
944 check_cpp "$@" <<EOF && enable_sanitized $header
945 #include <$header>
946 int x;
947 EOF
948 }
949
950 check_func(){
951 log check_func "$@"
952 func=$1
953 shift
954 disable $func
955 check_ld "$@" <<EOF && enable $func
956 extern int $func();
957 int main(void){ $func(); }
958 EOF
959 }
960
961 check_mathfunc(){
962 log check_mathfunc "$@"
963 func=$1
964 narg=$2
965 shift 2
966 test $narg = 2 && args="f, g" || args="f"
967 disable $func
968 check_ld "$@" <<EOF && enable $func
969 #include <math.h>
970 float foo(float f, float g) { return $func($args); }
971 int main(void){ return 0; }
972 EOF
973 }
974
975 check_func_headers(){
976 log check_func_headers "$@"
977 headers=$1
978 funcs=$2
979 shift 2
980 {
981 for hdr in $headers; do
982 print_include $hdr
983 done
984 for func in $funcs; do
985 echo "long check_$func(void) { return (long) $func; }"
986 done
987 echo "int main(void) { return 0; }"
988 } | check_ld "$@" && enable $funcs && enable_sanitized $headers
989 }
990
991 check_cpp_condition(){
992 log check_cpp_condition "$@"
993 header=$1
994 condition=$2
995 shift 2
996 check_cpp "$@" <<EOF
997 #include <$header>
998 #if !($condition)
999 #error "unsatisfied condition: $condition"
1000 #endif
1001 EOF
1002 }
1003
1004 test_cflags_cpp(){
1005 log test_cflags_cpp "$@"
1006 flags=$1
1007 condition=$2
1008 shift 2
1009 set -- $($cflags_filter "$flags")
1010 check_cpp "$@" <<EOF
1011 #if !($condition)
1012 #error "unsatisfied condition: $condition"
1013 #endif
1014 EOF
1015 }
1016
1017 check_lib(){
1018 log check_lib "$@"
1019 name="$1"
1020 headers="$2"
1021 funcs="$3"
1022 shift 3
1023 disable $name
1024 check_func_headers "$headers" "$funcs" "$@" &&
1025 enable $name && eval ${name}_extralibs="\$@"
1026 }
1027
1028 test_pkg_config(){
1029 log test_pkg_config "$@"
1030 name="$1"
1031 pkg_version="$2"
1032 pkg="${2%% *}"
1033 headers="$3"
1034 funcs="$4"
1035 shift 4
1036 disable $name
1037 check_cmd $pkg_config --exists --print-errors $pkg_version || return
1038 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1039 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1040 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1041 enable $name &&
1042 set_sanitized "${name}_cflags" $pkg_cflags &&
1043 set_sanitized "${name}_extralibs" $pkg_libs
1044 }
1045
1046 check_pkg_config(){
1047 log check_pkg_config "$@"
1048 name="$1"
1049 test_pkg_config "$@" &&
1050 eval add_cflags \$${name}_cflags
1051 }
1052
1053 check_exec(){
1054 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1055 }
1056
1057 check_exec_crash(){
1058 log check_exec_crash "$@"
1059 code=$(cat)
1060
1061 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1062 # are safe but may not be available everywhere. Thus we use
1063 # raise(SIGTERM) instead. The check is run in a subshell so we
1064 # can redirect the "Terminated" message from the shell. SIGBUS
1065 # is not defined by standard C so it is used conditionally.
1066
1067 (check_exec "$@") >> $logfile 2>&1 <<EOF
1068 #include <signal.h>
1069 static void sighandler(int sig){
1070 raise(SIGTERM);
1071 }
1072 int foo(void){
1073 $code
1074 }
1075 int (*func_ptr)(void) = foo;
1076 int main(void){
1077 signal(SIGILL, sighandler);
1078 signal(SIGFPE, sighandler);
1079 signal(SIGSEGV, sighandler);
1080 #ifdef SIGBUS
1081 signal(SIGBUS, sighandler);
1082 #endif
1083 return func_ptr();
1084 }
1085 EOF
1086 }
1087
1088 check_type(){
1089 log check_type "$@"
1090 headers=$1
1091 type=$2
1092 shift 2
1093 disable_sanitized "$type"
1094 check_code cc "$headers" "$type v" "$@" && enable_sanitized "$type"
1095 }
1096
1097 check_struct(){
1098 log check_struct "$@"
1099 headers=$1
1100 struct=$2
1101 member=$3
1102 shift 3
1103 disable_sanitized "${struct}_${member}"
1104 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1105 enable_sanitized "${struct}_${member}"
1106 }
1107
1108 check_builtin(){
1109 log check_builtin "$@"
1110 name=$1
1111 headers=$2
1112 builtin=$3
1113 shift 3
1114 disable "$name"
1115 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1116 }
1117
1118 check_compile_assert(){
1119 log check_compile_assert "$@"
1120 name=$1
1121 headers=$2
1122 condition=$3
1123 shift 3
1124 disable "$name"
1125 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1126 }
1127
1128 require(){
1129 log require "$@"
1130 name_version="$1"
1131 name="${1%% *}"
1132 headers="$2"
1133 func="$3"
1134 shift 3
1135 check_lib $name "$headers" $func "$@" || die "ERROR: $name_version not found"
1136 }
1137
1138 require_header(){
1139 log require "$@"
1140 header="$1"
1141 shift
1142 check_header "$header" "$@" || die "ERROR: $header not found"
1143 }
1144
1145 require_cpp_condition(){
1146 log require "$@"
1147 header="$1"
1148 condition="$2"
1149 shift 2
1150 check_cpp_condition "$header" "$condition" "$@" || die "ERROR: $condition not satisfied"
1151 }
1152
1153 require_pkg_config(){
1154 log require_pkg_config "$@"
1155 pkg_version="$2"
1156 check_pkg_config "$@" || die "ERROR: $pkg_version not found"
1157 }
1158
1159 hostcc_e(){
1160 eval printf '%s\\n' $HOSTCC_E
1161 }
1162
1163 hostcc_o(){
1164 eval printf '%s\\n' $HOSTCC_O
1165 }
1166
1167 check_host_cc(){
1168 log check_host_cc "$@"
1169 cat > $TMPC
1170 log_file $TMPC
1171 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1172 }
1173
1174 check_host_cpp(){
1175 log check_host_cpp "$@"
1176 cat > $TMPC
1177 log_file $TMPC
1178 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1179 }
1180
1181 check_host_cppflags(){
1182 log check_host_cppflags "$@"
1183 check_host_cpp "$@" <<EOF && append host_cppflags "$@"
1184 #include <stdlib.h>;
1185 EOF
1186 }
1187
1188 check_host_cflags(){
1189 log check_host_cflags "$@"
1190 set -- $($host_cflags_filter "$@")
1191 check_host_cc "$@" <<EOF && append host_cflags "$@"
1192 int x;
1193 EOF
1194 }
1195
1196 check_host_cpp_condition(){
1197 log check_host_cpp_condition "$@"
1198 header=$1
1199 condition=$2
1200 shift 2
1201 check_host_cpp "$@" <<EOF
1202 #include <$header>
1203 #if !($condition)
1204 #error "unsatisfied condition: $condition"
1205 #endif
1206 EOF
1207 }
1208
1209 apply(){
1210 file=$1
1211 shift
1212 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1213 }
1214
1215 cp_if_changed(){
1216 cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1217 mkdir -p "$(dirname $2)"
1218 cp -f "$1" "$2"
1219 }
1220
1221 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1222 # system-dependent things.
1223
1224 AVCODEC_COMPONENTS="
1225 bsfs
1226 decoders
1227 encoders
1228 hwaccels
1229 parsers
1230 "
1231
1232 AVDEVICE_COMPONENTS="
1233 indevs
1234 outdevs
1235 "
1236 AVFILTER_COMPONENTS="
1237 filters
1238 "
1239 AVFORMAT_COMPONENTS="
1240 demuxers
1241 muxers
1242 protocols
1243 "
1244
1245 AVRESAMPLE_COMPONENTS=""
1246 AVUTIL_COMPONENTS=""
1247
1248 COMPONENT_LIST="
1249 $AVCODEC_COMPONENTS
1250 $AVDEVICE_COMPONENTS
1251 $AVFILTER_COMPONENTS
1252 $AVFORMAT_COMPONENTS
1253 $AVRESAMPLE_COMPONENTS
1254 $AVUTIL_COMPONENTS
1255 "
1256
1257 EXAMPLE_LIST="
1258 decode_audio_example
1259 decode_video_example
1260 encode_audio_example
1261 encode_video_example
1262 filter_audio_example
1263 metadata_example
1264 output_example
1265 qsvdec_example
1266 transcode_aac_example
1267 "
1268
1269 # catchall list of things that require external libs to link
1270 EXTRALIBS_LIST="
1271 cpu_init
1272 cws2fws
1273 "
1274
1275 HWACCEL_LIBRARY_NONFREE_LIST="
1276 cuda
1277 cuvid
1278 libnpp
1279 "
1280 HWACCEL_LIBRARY_LIST="
1281 $HWACCEL_LIBRARY_NONFREE_LIST
1282 d3d11va
1283 dxva2
1284 libmfx
1285 mmal
1286 nvenc
1287 omx
1288 vaapi
1289 vda
1290 vdpau
1291 "
1292
1293 EXTERNAL_LIBRARY_GPL_LIST="
1294 libcdio
1295 libx264
1296 libx265
1297 libxavs
1298 libxvid
1299 "
1300
1301 EXTERNAL_LIBRARY_NONFREE_LIST="
1302 libfaac
1303 libfdk_aac
1304 openssl
1305 "
1306
1307 EXTERNAL_LIBRARY_VERSION3_LIST="
1308 libopencore_amrnb
1309 libopencore_amrwb
1310 libvo_aacenc
1311 libvo_amrwbenc
1312 "
1313
1314 EXTERNAL_LIBRARY_LIST="
1315 $EXTERNAL_LIBRARY_GPL_LIST
1316 $EXTERNAL_LIBRARY_NONFREE_LIST
1317 $EXTERNAL_LIBRARY_VERSION3_LIST
1318 avisynth
1319 avxsynth
1320 frei0r
1321 gnutls
1322 libbs2b
1323 libdc1394
1324 libdcadec
1325 libfontconfig
1326 libfreetype
1327 libgsm
1328 libhdcd
1329 libilbc
1330 libjack
1331 libkvazaar
1332 libmp3lame
1333 libopencv
1334 libopenh264
1335 libopenjpeg
1336 libopus
1337 libpulse
1338 librtmp
1339 libschroedinger
1340 libsnappy
1341 libspeex
1342 libtheora
1343 libtwolame
1344 libvorbis
1345 libvpx
1346 libwavpack
1347 libwebp
1348 libxcb
1349 libxcb_shm
1350 libxcb_xfixes
1351 "
1352
1353 SYSTEM_LIBRARY_LIST="
1354 bzlib
1355 zlib
1356 "
1357
1358 FEATURE_LIST="
1359 gray
1360 hardcoded_tables
1361 omx_rpi
1362 runtime_cpudetect
1363 safe_bitstream_reader
1364 shared
1365 small
1366 sram
1367 static
1368 swscale_alpha
1369 "
1370
1371 LIBRARY_LIST="
1372 avcodec
1373 avdevice
1374 avfilter
1375 avformat
1376 avresample
1377 avutil
1378 swscale
1379 "
1380
1381 LICENSE_LIST="
1382 gpl
1383 nonfree
1384 version3
1385 "
1386
1387 PROGRAM_LIST="
1388 avconv
1389 avplay
1390 avprobe
1391 "
1392
1393 SUBSYSTEM_LIST="
1394 dct
1395 doc
1396 error_resilience
1397 faan
1398 fft
1399 lsp
1400 lzo
1401 mdct
1402 network
1403 rdft
1404 "
1405
1406 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1407 CONFIG_LIST="
1408 $EXAMPLE_LIST
1409 $EXTERNAL_LIBRARY_LIST
1410 $HWACCEL_LIBRARY_LIST
1411 $FEATURE_LIST
1412 $LICENSE_LIST
1413 $LIBRARY_LIST
1414 $PROGRAM_LIST
1415 $SUBSYSTEM_LIST
1416 $SYSTEM_LIBRARY_LIST
1417 neon_clobber_test
1418 pic
1419 pod2man
1420 texi2html
1421 thumb
1422 valgrind_backtrace
1423 xmm_clobber_test
1424 $COMPONENT_LIST
1425 "
1426
1427 THREADS_LIST="
1428 pthreads
1429 w32threads
1430 "
1431
1432 ATOMICS_LIST="
1433 atomics_gcc
1434 atomics_suncc
1435 atomics_win32
1436 "
1437
1438 ARCH_LIST="
1439 aarch64
1440 alpha
1441 arm
1442 avr32
1443 avr32_ap
1444 avr32_uc
1445 bfin
1446 ia64
1447 m68k
1448 mips
1449 mips64
1450 parisc
1451 ppc
1452 ppc64
1453 s390
1454 sh4
1455 sparc
1456 sparc64
1457 tilegx
1458 tilepro
1459 tomi
1460 x86
1461 x86_32
1462 x86_64
1463 "
1464
1465 ARCH_EXT_LIST_ARM="
1466 armv5te
1467 armv6
1468 armv6t2
1469 armv8
1470 neon
1471 vfp
1472 vfpv3
1473 "
1474
1475 ARCH_EXT_LIST_X86_SIMD="
1476 amd3dnow
1477 amd3dnowext
1478 avx
1479 avx2
1480 fma3
1481 fma4
1482 mmx
1483 mmxext
1484 sse
1485 sse2
1486 sse3
1487 sse4
1488 sse42
1489 ssse3
1490 xop
1491 "
1492
1493 ARCH_EXT_LIST_PPC="
1494 altivec
1495 dcbzl
1496 ldbrx
1497 power8
1498 ppc4xx
1499 vsx
1500 "
1501
1502 ARCH_EXT_LIST_X86="
1503 $ARCH_EXT_LIST_X86_SIMD
1504 cpunop
1505 i686
1506 "
1507
1508 ARCH_EXT_LIST_MIPS="
1509 loongson
1510 mips32r1
1511 mips64r1
1512 mips32r2
1513 mips64r2
1514 mips32r6
1515 mips64r6
1516 "
1517
1518 ARCH_EXT_LIST="
1519 $ARCH_EXT_LIST_ARM
1520 $ARCH_EXT_LIST_MIPS
1521 $ARCH_EXT_LIST_PPC
1522 $ARCH_EXT_LIST_X86
1523 vis
1524 "
1525
1526 ARCH_FEATURES="
1527 aligned_stack
1528 fast_64bit
1529 fast_clz
1530 fast_cmov
1531 local_aligned_8
1532 local_aligned_16
1533 local_aligned_32
1534 simd_align_16
1535 simd_align_32
1536 "
1537
1538 BUILTIN_LIST="
1539 atomic_cas_ptr
1540 machine_rw_barrier
1541 MemoryBarrier
1542 mm_empty
1543 rdtsc
1544 sem_timedwait
1545 sync_val_compare_and_swap
1546 "
1547 HAVE_LIST_CMDLINE="
1548 inline_asm
1549 symver
1550 x86asm
1551 "
1552
1553 HAVE_LIST_PUB="
1554 bigendian
1555 fast_unaligned
1556 "
1557
1558 HEADERS_LIST="
1559 AVFoundation_AVFoundation_h
1560 arpa_inet_h
1561 cdio_paranoia_h
1562 cdio_paranoia_paranoia_h
1563 d3d11_h
1564 dispatch_dispatch_h
1565 dev_bktr_ioctl_bt848_h
1566 dev_bktr_ioctl_meteor_h
1567 dev_ic_bt8xx_h
1568 dev_video_bktr_ioctl_bt848_h
1569 dev_video_meteor_ioctl_meteor_h
1570 direct_h
1571 dlfcn_h
1572 dxgidebug_h
1573 dxva_h
1574 gsm_h
1575 io_h
1576 mach_mach_time_h
1577 machine_ioctl_bt848_h
1578 machine_ioctl_meteor_h
1579 malloc_h
1580 poll_h
1581 soundcard_h
1582 stdatomic_h
1583 sys_mman_h
1584 sys_param_h
1585 sys_resource_h
1586 sys_select_h
1587 sys_soundcard_h
1588 sys_time_h
1589 sys_un_h
1590 sys_videoio_h
1591 unistd_h
1592 valgrind_valgrind_h
1593 windows_h
1594 winsock2_h
1595 "
1596
1597 INTRINSICS_LIST="
1598 intrinsics_neon
1599 "
1600
1601 MATH_FUNCS="
1602 atanf
1603 atan2f
1604 cbrtf
1605 cosf
1606 exp2
1607 exp2f
1608 expf
1609 isinf
1610 isnan
1611 ldexpf
1612 llrint
1613 llrintf
1614 log2
1615 log2f
1616 log10f
1617 lrint
1618 lrintf
1619 powf
1620 rint
1621 round
1622 roundf
1623 sinf
1624 trunc
1625 truncf
1626 "
1627
1628 SYSTEM_FUNCS="
1629 aligned_malloc
1630 clock_gettime
1631 closesocket
1632 CommandLineToArgvW
1633 CryptGenRandom
1634 fcntl
1635 fork
1636 getaddrinfo
1637 gethrtime
1638 getopt
1639 GetProcessAffinityMask
1640 GetProcessMemoryInfo
1641 GetProcessTimes
1642 getrusage
1643 GetSystemTimeAsFileTime
1644 gettimeofday
1645 gmtime_r
1646 inet_aton
1647 isatty
1648 localtime_r
1649 mach_absolute_time
1650 MapViewOfFile
1651 memalign
1652 mmap
1653 mprotect
1654 nanosleep
1655 posix_memalign
1656 sched_getaffinity
1657 SetConsoleTextAttribute
1658 setmode
1659 setrlimit
1660 Sleep
1661 strerror_r
1662 sysconf
1663 sysctl
1664 usleep
1665 VirtualAlloc
1666 "
1667
1668 TOOLCHAIN_FEATURES="
1669 as_arch_directive
1670 as_fpu_directive
1671 as_func
1672 as_object_arch
1673 asm_mod_q
1674 attribute_may_alias
1675 attribute_packed
1676 blocks_extension
1677 ebp_available
1678 ebx_available
1679 gnu_as
1680 ibm_asm
1681 inline_asm_labels
1682 pragma_deprecated
1683 symver_asm_label
1684 symver_gnu_asm
1685 vfp_args
1686 xform_asm
1687 xmm_clobbers
1688 "
1689
1690 TYPES_LIST="
1691 CONDITION_VARIABLE_Ptr
1692 CUVIDDECODECREATEINFO_bitDepthMinus8
1693 socklen_t
1694 struct_addrinfo
1695 struct_group_source_req
1696 struct_ip_mreq_source
1697 struct_ipv6_mreq
1698 struct_pollfd
1699 struct_rusage_ru_maxrss
1700 struct_sockaddr_in6
1701 struct_sockaddr_sa_len
1702 struct_sockaddr_storage
1703 struct_v4l2_frmivalenum_discrete
1704 "
1705
1706 HAVE_LIST="
1707 $ARCH_EXT_LIST
1708 $(add_suffix _external $ARCH_EXT_LIST)
1709 $(add_suffix _inline $ARCH_EXT_LIST)
1710 $ARCH_FEATURES
1711 $BUILTIN_LIST
1712 $HAVE_LIST_CMDLINE
1713 $HAVE_LIST_PUB
1714 $HEADERS_LIST
1715 $INTRINSICS_LIST
1716 $MATH_FUNCS
1717 $SYSTEM_FUNCS
1718 $THREADS_LIST
1719 $TOOLCHAIN_FEATURES
1720 $TYPES_LIST
1721 dos_paths
1722 libc_msvcrt
1723 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
1724 sdl
1725 section_data_rel_ro
1726 threads
1727 uwp
1728 vaapi_drm
1729 vaapi_x11
1730 vdpau_x11
1731 "
1732
1733 # options emitted with CONFIG_ prefix but not available on the command line
1734 CONFIG_EXTRA="
1735 aandcttables
1736 ac3dsp
1737 adts_header
1738 audio_frame_queue
1739 audiodsp
1740 blockdsp
1741 bswapdsp
1742 cabac
1743 cbs
1744 cbs_h264
1745 cbs_h265
1746 cbs_mpeg2
1747 dirac_parse
1748 dvprofile
1749 faandct
1750 faanidct
1751 fdctdsp
1752 flacdsp
1753 fmtconvert
1754 g722dsp
1755 gmp
1756 golomb
1757 gplv3
1758 h263dsp
1759 h264chroma
1760 h264dsp
1761 h264parse
1762 h264pred
1763 h264qpel
1764 hevcparse
1765 hpeldsp
1766 huffman
1767 huffyuvdsp
1768 huffyuvencdsp
1769 idctdsp
1770 iirfilter
1771 imdct15
1772 intrax8
1773 iso_media
1774 ividsp
1775 jpegtables
1776 lgplv3
1777 libx262
1778 libxcb_shape
1779 lpc
1780 lzf
1781 me_cmp
1782 mpeg_er
1783 mpegaudio
1784 mpegaudiodsp
1785 mpegaudioheader
1786 mpegvideo
1787 mpegvideoenc
1788 mss34dsp
1789 pixblockdsp
1790 qpeldsp
1791 qsv
1792 qsvdec
1793 qsvenc
1794 qsvvpp
1795 rangecoder
1796 riffdec
1797 riffenc
1798 rtpdec
1799 rtpenc_chain
1800 rv34dsp
1801 sinewin
1802 snappy
1803 srtp
1804 startcode
1805 texturedsp
1806 texturedspenc
1807 tpeldsp
1808 vaapi_encode
1809 vc1dsp
1810 videodsp
1811 vp3dsp
1812 vp56dsp
1813 vp8dsp
1814 wma_freqs
1815 wmv2dsp
1816 "
1817
1818 CMDLINE_SELECT="
1819 $ARCH_EXT_LIST
1820 $CONFIG_LIST
1821 $HAVE_LIST_CMDLINE
1822 $THREADS_LIST
1823 asm
1824 cross_compile
1825 debug
1826 extra_warnings
1827 logging
1828 lto
1829 optimizations
1830 rpath
1831 "
1832
1833 PATHS_LIST="
1834 bindir
1835 datadir
1836 docdir
1837 incdir
1838 libdir
1839 mandir
1840 prefix
1841 shlibdir
1842 "
1843
1844 CMDLINE_SET="
1845 $PATHS_LIST
1846 ar
1847 arch
1848 as
1849 cc
1850 objcc
1851 cpu
1852 cross_prefix
1853 custom_allocator
1854 dep_cc
1855 env
1856 extra_version
1857 host_cc
1858 host_cflags
1859 host_extralibs
1860 host_ld
1861 host_ldflags
1862 host_os
1863 ignore_tests
1864 ld
1865 logfile
1866 malloc_prefix
1867 nm
1868 optflags
1869 pkg_config
1870 pkg_config_flags
1871 random_seed
1872 samples
1873 sysinclude
1874 sysroot
1875 target_exec
1876 target_os
1877 target_path
1878 target_samples
1879 toolchain
1880 x86asmexe
1881 "
1882
1883 CMDLINE_APPEND="
1884 extra_cflags
1885 extra_objcflags
1886 host_cppflags
1887 "
1888
1889 # code dependency declarations
1890
1891 # architecture extensions
1892
1893 armv5te_deps="arm"
1894 armv6_deps="arm"
1895 armv6t2_deps="arm"
1896 armv8_deps="aarch64"
1897 neon_deps_any="aarch64 arm"
1898 intrinsics_neon_deps="neon"
1899 vfp_deps_any="aarch64 arm"
1900 vfpv3_deps="vfp"
1901
1902 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1903
1904 altivec_deps="ppc"
1905 dcbzl_deps="ppc"
1906 ldbrx_deps="ppc"
1907 ppc4xx_deps="ppc"
1908 vsx_deps="altivec"
1909 power8_deps="vsx"
1910
1911 loongson_deps="mips"
1912 mips32r1_deps="mips32"
1913 mips32r2_deps="mips32"
1914 mips32r6_deps="mips32"
1915 mips64r1_deps="mips64"
1916 mips64r2_deps="mips64"
1917 mips64r6_deps="mips64"
1918
1919 vis_deps="sparc"
1920
1921 cpunop_deps="i686"
1922 x86_64_select="i686"
1923 x86_64_suggest="fast_cmov"
1924
1925 amd3dnow_deps="mmx"
1926 amd3dnowext_deps="amd3dnow"
1927 i686_deps="x86"
1928 mmx_deps="x86"
1929 mmxext_deps="mmx"
1930 sse_deps="mmxext"
1931 sse2_deps="sse"
1932 sse3_deps="sse2"
1933 ssse3_deps="sse3"
1934 sse4_deps="ssse3"
1935 sse42_deps="sse4"
1936 avx_deps="sse42"
1937 xop_deps="avx"
1938 fma3_deps="avx"
1939 fma4_deps="avx"
1940 avx2_deps="avx"
1941
1942 mmx_external_deps="x86asm"
1943 mmx_inline_deps="inline_asm x86"
1944 mmx_suggest="mmx_external mmx_inline"
1945
1946 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1947 eval dep=\$${ext}_deps
1948 eval ${ext}_external_deps='"${dep}_external"'
1949 eval ${ext}_inline_deps='"${dep}_inline"'
1950 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1951 done
1952
1953 aligned_stack_if_any="aarch64 ppc x86"
1954 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1955 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1956 fast_unaligned_if_any="aarch64 ppc x86"
1957 simd_align_16_if_any="altivec neon sse"
1958 simd_align_32_if_any="avx"
1959
1960 # system capabilities
1961 symver_if_any="symver_asm_label symver_gnu_asm"
1962 valgrind_backtrace_conflict="optimizations"
1963 valgrind_backtrace_deps="valgrind_valgrind_h"
1964
1965 # threading support
1966 atomics_gcc_if="sync_val_compare_and_swap"
1967 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1968 atomics_win32_if="MemoryBarrier"
1969 atomics_native_if_any="$ATOMICS_LIST"
1970 w32threads_deps="atomics_native"
1971 threads_if_any="$THREADS_LIST"
1972
1973 # subsystems
1974 cbs_h264_select="cbs golomb"
1975 cbs_h265_select="cbs golomb"
1976 cbs_mpeg2_select="cbs"
1977 dct_select="rdft"
1978 dirac_parse_select="golomb"
1979 error_resilience_select="me_cmp"
1980 faandct_deps="faan"
1981 faandct_select="fdctdsp"
1982 faanidct_deps="faan"
1983 faanidct_select="idctdsp"
1984 h264dsp_select="startcode"
1985 hevcparse_select="golomb"
1986 intrax8_select="blockdsp idctdsp"
1987 mdct_select="fft"
1988 rdft_select="fft"
1989 me_cmp_select="fdctdsp idctdsp pixblockdsp"
1990 mpeg_er_select="error_resilience"
1991 mpegaudio_select="mpegaudiodsp mpegaudioheader"
1992 mpegaudiodsp_select="dct"
1993 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp mpeg_er videodsp"
1994 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
1995 vc1dsp_select="h264chroma qpeldsp startcode"
1996
1997 # decoders / encoders
1998 aac_decoder_select="adts_header imdct15 mdct sinewin"
1999 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
2000 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2001 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2002 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2003 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2004 adpcm_g722_decoder_select="g722dsp"
2005 adpcm_g722_encoder_select="g722dsp"
2006 aic_decoder_select="golomb idctdsp"
2007 alac_encoder_select="lpc"
2008 als_decoder_select="bswapdsp"
2009 amrnb_decoder_select="lsp"
2010 amrwb_decoder_select="lsp"
2011 amv_decoder_select="sp5x_decoder"
2012 ape_decoder_select="bswapdsp"
2013 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2014 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2015 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2016 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2017 atrac1_decoder_select="mdct sinewin"
2018 atrac3_decoder_select="mdct"
2019 atrac3p_decoder_select="mdct sinewin"
2020 bink_decoder_select="blockdsp hpeldsp"
2021 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2022 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2023 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2024 clearvideo_decoder_select="idctdsp"
2025 cllc_decoder_select="bswapdsp"
2026 comfortnoise_encoder_select="lpc"
2027 cook_decoder_select="audiodsp mdct sinewin"
2028 cscd_decoder_select="lzo"
2029 cscd_decoder_suggest="zlib"
2030 dca_decoder_select="fmtconvert mdct"
2031 dds_decoder_select="texturedsp"
2032 dnxhd_decoder_select="blockdsp idctdsp"
2033 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2034 dvvideo_decoder_select="dvprofile idctdsp"
2035 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2036 dxa_decoder_deps="zlib"
2037 dxv_decoder_select="lzf texturedsp"
2038 eac3_decoder_select="ac3_decoder"
2039 eac3_encoder_select="ac3_encoder"
2040 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2041 eatgq_decoder_select="aandcttables idctdsp"
2042 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2043 exr_decoder_deps="zlib"
2044 ffv1_decoder_select="rangecoder"
2045 ffv1_encoder_select="rangecoder"
2046 ffvhuff_decoder_select="huffyuv_decoder"
2047 ffvhuff_encoder_select="huffyuv_encoder"
2048 fic_decoder_select="golomb"
2049 flac_decoder_select="flacdsp"
2050 flac_encoder_select="bswapdsp flacdsp lpc"
2051 flashsv_decoder_deps="zlib"
2052 flashsv_encoder_deps="zlib"
2053 flashsv2_decoder_deps="zlib"
2054 flv_decoder_select="h263_decoder"
2055 flv_encoder_select="h263_encoder"
2056 fourxm_decoder_select="blockdsp bswapdsp"
2057 fraps_decoder_select="bswapdsp huffman"
2058 g2m_decoder_deps="zlib"
2059 g2m_decoder_select="blockdsp idctdsp jpegtables"
2060 h261_decoder_select="mpeg_er mpegvideo"
2061 h261_encoder_select="aandcttables mpegvideoenc"
2062 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
2063 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2064 h263i_decoder_select="h263_decoder"
2065 h263p_encoder_select="h263_encoder"
2066 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2067 h264_decoder_suggest="error_resilience"
2068 hap_decoder_select="snappy texturedsp"
2069 hap_encoder_deps="libsnappy"
2070 hap_encoder_select="texturedspenc"
2071 hevc_decoder_select="bswapdsp cabac hevcparse videodsp"
2072 huffyuv_decoder_select="bswapdsp huffyuvdsp"
2073 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
2074 iac_decoder_select="imc_decoder"
2075 imc_decoder_select="bswapdsp fft mdct sinewin"
2076 indeo3_decoder_select="hpeldsp"
2077 indeo4_decoder_select="ividsp"
2078 indeo5_decoder_select="ividsp"
2079 interplay_video_decoder_select="hpeldsp"
2080 jpegls_decoder_select="mjpeg_decoder"
2081 jv_decoder_select="blockdsp"
2082 lagarith_decoder_select="huffyuvdsp"
2083 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2084 magicyuv_decoder_select="huffyuvdsp"
2085 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2086 metasound_decoder_select="lsp mdct sinewin"
2087 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2088 mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
2089 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2090 mjpegb_decoder_select="mjpeg_decoder"
2091 mlp_decoder_select="mlp_parser"
2092 motionpixels_decoder_select="bswapdsp"
2093 mp1_decoder_select="mpegaudio"
2094 mp1float_decoder_select="mpegaudio"
2095 mp2_decoder_select="mpegaudio"
2096 mp2float_decoder_select="mpegaudio"
2097 mp3_decoder_select="mpegaudio"
2098 mp3adu_decoder_select="mpegaudio"
2099 mp3adufloat_decoder_select="mpegaudio"
2100 mp3float_decoder_select="mpegaudio"
2101 mp3on4_decoder_select="mpegaudio"
2102 mp3on4float_decoder_select="mpegaudio"
2103 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2104 mpc8_decoder_select="mpegaudiodsp"
2105 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2106 mpeg1video_encoder_select="aandcttables mpegvideoenc"
2107 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2108 mpeg2video_encoder_select="aandcttables mpegvideoenc"
2109 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2110 mpeg4_encoder_select="h263_encoder"
2111 msa1_decoder_select="mss34dsp"
2112 msmpeg4v1_decoder_select="h263_decoder"
2113 msmpeg4v2_decoder_select="h263_decoder"
2114 msmpeg4v2_encoder_select="h263_encoder"
2115 msmpeg4v3_decoder_select="h263_decoder"
2116 msmpeg4v3_encoder_select="h263_encoder"
2117 mss2_decoder_select="error_resilience mpeg_er mpegvideo qpeldsp vc1_decoder"
2118 mts2_decoder_select="mss34dsp"
2119 mxpeg_decoder_select="mjpeg_decoder"
2120 nellymoser_decoder_select="mdct sinewin"
2121 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2122 nuv_decoder_select="idctdsp lzo"
2123 on2avc_decoder_select="mdct"
2124 opus_decoder_deps="avresample"
2125 opus_decoder_select="imdct15"
2126 png_decoder_deps="zlib"
2127 png_encoder_deps="zlib"
2128 png_encoder_select="huffyuvencdsp"
2129 prores_decoder_select="idctdsp"
2130 prores_encoder_select="fdctdsp"
2131 qcelp_decoder_select="lsp"
2132 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2133 ra_144_encoder_select="audio_frame_queue lpc"
2134 ralf_decoder_select="golomb"
2135 rscc_decoder_deps="zlib"
2136 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2137 rv10_encoder_select="h263_encoder"
2138 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2139 rv20_encoder_select="h263_encoder"
2140 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2141 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2142 screenpresso_decoder_deps="zlib"
2143 sipr_decoder_select="lsp"
2144 sp5x_decoder_select="mjpeg_decoder"
2145 svq1_decoder_select="hpeldsp"
2146 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2147 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2148 svq3_decoder_suggest="zlib"
2149 tak_decoder_select="audiodsp"
2150 tdsc_decoder_deps="zlib"
2151 tdsc_decoder_select="mjpeg_decoder"
2152 theora_decoder_select="vp3_decoder"
2153 thp_decoder_select="mjpeg_decoder"
2154 tiff_decoder_suggest="zlib"
2155 tiff_encoder_suggest="zlib"
2156 truehd_decoder_select="mlp_decoder"
2157 truemotion2_decoder_select="bswapdsp"
2158 truespeech_decoder_select="bswapdsp"
2159 tscc_decoder_deps="zlib"
2160 txd_decoder_select="texturedsp"
2161 twinvq_decoder_select="mdct lsp sinewin"
2162 utvideo_decoder_select="bswapdsp huffyuvdsp"
2163 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2164 vble_decoder_select="huffyuvdsp"
2165 vc1_decoder_select="blockdsp error_resilience h263_decoder h264qpel intrax8 mpeg_er mpegvideo vc1dsp"
2166 vc1image_decoder_select="vc1_decoder"
2167 vorbis_decoder_select="mdct"
2168 vorbis_encoder_select="mdct"
2169 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2170 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2171 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2172 vp6a_decoder_select="vp6_decoder"
2173 vp6f_decoder_select="vp6_decoder"
2174 vp7_decoder_select="h264pred videodsp vp8dsp"
2175 vp8_decoder_select="h264pred videodsp vp8dsp"
2176 vp9_decoder_select="videodsp vp9_superframe_split_bsf"
2177 webp_decoder_select="vp8_decoder"
2178 wmapro_decoder_select="mdct sinewin wma_freqs"
2179 wmav1_decoder_select="mdct sinewin wma_freqs"
2180 wmav1_encoder_select="mdct sinewin wma_freqs"
2181 wmav2_decoder_select="mdct sinewin wma_freqs"
2182 wmav2_encoder_select="mdct sinewin wma_freqs"
2183 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2184 wmv1_decoder_select="h263_decoder"
2185 wmv1_encoder_select="h263_encoder"
2186 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2187 wmv2_encoder_select="h263_encoder wmv2dsp"
2188 wmv3_decoder_select="vc1_decoder"
2189 wmv3image_decoder_select="wmv3_decoder"
2190 zerocodec_decoder_deps="zlib"
2191 zlib_decoder_deps="zlib"
2192 zlib_encoder_deps="zlib"
2193 zmbv_decoder_deps="zlib"
2194 zmbv_encoder_deps="zlib"
2195
2196 # hardware accelerators
2197 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2198 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32"
2199 vda_deps="VideoDecodeAcceleration_VDADecoder_h blocks_extension pthreads"
2200 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2201
2202 h263_vaapi_hwaccel_deps="vaapi"
2203 h263_vaapi_hwaccel_select="h263_decoder"
2204 h264_cuvid_hwaccel_deps="cuvid CUVIDH264PICPARAMS"
2205 h264_cuvid_hwaccel_select="h264_decoder"
2206 h264_d3d11va_hwaccel_deps="d3d11va"
2207 h264_d3d11va_hwaccel_select="h264_decoder"
2208 h264_d3d11va2_hwaccel_deps="d3d11va"
2209 h264_d3d11va2_hwaccel_select="h264_decoder"
2210 h264_dxva2_hwaccel_deps="dxva2"
2211 h264_dxva2_hwaccel_select="h264_decoder"
2212 h264_mmal_hwaccel_deps="mmal"
2213 h264_qsv_hwaccel_deps="libmfx"
2214 h264_vaapi_hwaccel_deps="vaapi"
2215 h264_vaapi_hwaccel_select="h264_decoder"
2216 h264_vda_hwaccel_deps="vda"
2217 h264_vda_hwaccel_select="h264_decoder"
2218 h264_vda_old_hwaccel_deps="vda"
2219 h264_vda_old_hwaccel_select="h264_decoder"
2220 h264_vdpau_hwaccel_deps="vdpau"
2221 h264_vdpau_hwaccel_select="h264_decoder"
2222 hevc_cuvid_hwaccel_deps="cuvid CUVIDHEVCPICPARAMS"
2223 hevc_cuvid_hwaccel_select="hevc_decoder"
2224 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2225 hevc_d3d11va_hwaccel_select="hevc_decoder"
2226 hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2227 hevc_d3d11va2_hwaccel_select="hevc_decoder"
2228 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2229 hevc_dxva2_hwaccel_select="hevc_decoder"
2230 hevc_qsv_hwaccel_deps="libmfx"
2231 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2232 hevc_vaapi_hwaccel_select="hevc_decoder"
2233 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2234 hevc_vdpau_hwaccel_select="hevc_decoder"
2235 mpeg1_vdpau_hwaccel_deps="vdpau"
2236 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2237 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2238 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2239 mpeg2_d3d11va2_hwaccel_deps="d3d11va"
2240 mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"
2241 mpeg2_dxva2_hwaccel_deps="dxva2"
2242 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2243 mpeg2_mmal_hwaccel_deps="mmal"
2244 mpeg2_qsv_hwaccel_deps="libmfx"
2245 mpeg2_vaapi_hwaccel_deps="vaapi"
2246 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2247 mpeg2_vdpau_hwaccel_deps="vdpau"
2248 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2249 mpeg4_vaapi_hwaccel_deps="vaapi"
2250 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2251 mpeg4_vdpau_hwaccel_deps="vdpau"
2252 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2253 vc1_d3d11va_hwaccel_deps="d3d11va"
2254 vc1_d3d11va_hwaccel_select="vc1_decoder"
2255 vc1_d3d11va2_hwaccel_deps="d3d11va"
2256 vc1_d3d11va2_hwaccel_select="vc1_decoder"
2257 vc1_dxva2_hwaccel_deps="dxva2"
2258 vc1_dxva2_hwaccel_select="vc1_decoder"
2259 vc1_mmal_hwaccel_deps="mmal"
2260 vc1_qsv_hwaccel_deps="libmfx"
2261 vc1_vaapi_hwaccel_deps="vaapi"
2262 vc1_vaapi_hwaccel_select="vc1_decoder"
2263 vc1_vdpau_hwaccel_deps="vdpau"
2264 vc1_vdpau_hwaccel_select="vc1_decoder"
2265 vp8_qsv_hwaccel_deps="libmfx"
2266 vp8_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferVP8"
2267 vp8_vaapi_hwaccel_select="vp8_decoder"
2268 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2269 wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"
2270 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2271 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2272 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2273
2274 # hardware-accelerated codecs
2275 nvenc_deps_any="libdl LoadLibrary"
2276 omx_deps="libdl pthreads"
2277 omx_rpi_select="omx"
2278 qsv_deps="libmfx"
2279 qsvdec_select="qsv"
2280 qsvenc_select="qsv"
2281 qsvvpp_select="qsv"
2282 vaapi_encode_deps="vaapi"
2283
2284 hwupload_cuda_filter_deps="cuda"
2285 scale_npp_filter_deps="cuda libnpp"
2286
2287 h264_mmal_decoder_deps="mmal"
2288 h264_nvenc_encoder_deps="nvenc"
2289 h264_omx_encoder_deps="omx"
2290 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2291 h264_qsv_encoder_select="qsvenc"
2292 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2293 h264_vaapi_encoder_select="cbs_h264 vaapi_encode"
2294 hevc_nvenc_encoder_deps="nvenc"
2295 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser hevc_qsv_hwaccel qsvdec"
2296 hevc_qsv_encoder_select="hevcparse qsvenc"
2297 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2298 hevc_vaapi_encoder_select="cbs_h265 vaapi_encode"
2299 mjpeg_qsv_encoder_deps="libmfx"
2300 mjpeg_qsv_encoder_select="qsvenc"
2301 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2302 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2303 mpeg2_mmal_decoder_deps="mmal"
2304 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel mpegvideo_parser"
2305 mpeg2_qsv_encoder_select="qsvenc"
2306 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2307 mpeg2_vaapi_encoder_select="cbs_mpeg2 vaapi_encode"
2308 mpeg4_omx_encoder_deps="omx"
2309 vc1_mmal_decoder_deps="mmal"
2310 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel vc1_parser"
2311 vp8_qsv_decoder_select="qsvdec vp8_qsv_hwaccel vp8_parser"
2312 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2313 vp8_vaapi_encoder_select="vaapi_encode"
2314 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
2315 vp9_vaapi_encoder_select="vaapi_encode"
2316
2317 nvenc_h264_encoder_select="h264_nvenc_encoder"
2318 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2319
2320 # parsers
2321 aac_parser_select="adts_header"
2322 h264_parser_select="golomb h264dsp h264parse"
2323 hevc_parser_select="hevcparse"
2324 mpegaudio_parser_select="mpegaudioheader"
2325 mpegvideo_parser_select="mpegvideo"
2326 mpeg4video_parser_select="error_resilience h263dsp mpegvideo qpeldsp"
2327 vc1_parser_select="vc1dsp"
2328
2329 # bitstream_filters
2330 aac_adtstoasc_bsf_select="adts_header"
2331 h264_metadata_bsf_select="cbs_h264"
2332 h264_redundant_pps_bsf_select="cbs_h264"
2333 hevc_metadata_bsf_select="cbs_h265"
2334 mjpeg2jpeg_bsf_select="jpegtables"
2335 mpeg2_metadata_bsf_select="cbs_mpeg2"
2336 trace_headers_bsf_select="cbs_h264 cbs_h265 cbs_mpeg2"
2337
2338 # external libraries
2339 avisynth_deps="LoadLibrary"
2340 avxsynth_deps="libdl"
2341 avisynth_demuxer_deps_any="avisynth avxsynth"
2342 avisynth_demuxer_select="riffdec"
2343 libdcadec_decoder_deps="libdcadec"
2344 libfaac_encoder_deps="libfaac"
2345 libfaac_encoder_select="audio_frame_queue"
2346 libfdk_aac_decoder_deps="libfdk_aac"
2347 libfdk_aac_encoder_deps="libfdk_aac"
2348 libfdk_aac_encoder_select="audio_frame_queue"
2349 libgsm_decoder_deps="libgsm"
2350 libgsm_encoder_deps="libgsm"
2351 libgsm_ms_decoder_deps="libgsm"
2352 libgsm_ms_encoder_deps="libgsm"
2353 libilbc_decoder_deps="libilbc"
2354 libilbc_encoder_deps="libilbc"
2355 libkvazaar_encoder_deps="libkvazaar"
2356 libmp3lame_encoder_deps="libmp3lame"
2357 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
2358 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2359 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2360 libopencore_amrnb_encoder_select="audio_frame_queue"
2361 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2362 libopenh264_decoder_deps="libopenh264"
2363 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2364 libopenh264_encoder_deps="libopenh264"
2365 libopenjpeg_decoder_deps="libopenjpeg"
2366 libopenjpeg_encoder_deps="libopenjpeg"
2367 libopus_decoder_deps="libopus"
2368 libopus_encoder_deps="libopus"
2369 libopus_encoder_select="audio_frame_queue"
2370 libschroedinger_decoder_deps="libschroedinger"
2371 libschroedinger_encoder_deps="libschroedinger"
2372 libspeex_decoder_deps="libspeex"
2373 libspeex_encoder_deps="libspeex"
2374 libspeex_encoder_select="audio_frame_queue"
2375 libtheora_encoder_deps="libtheora"
2376 libtwolame_encoder_deps="libtwolame"
2377 libvo_aacenc_encoder_deps="libvo_aacenc"
2378 libvo_aacenc_encoder_select="audio_frame_queue"
2379 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2380 libvorbis_encoder_deps="libvorbis"
2381 libvorbis_encoder_select="audio_frame_queue"
2382 libvpx_vp8_decoder_deps="libvpx"
2383 libvpx_vp8_encoder_deps="libvpx"
2384 libvpx_vp9_decoder_deps="libvpx"
2385 libvpx_vp9_encoder_deps="libvpx"
2386 libwavpack_encoder_deps="libwavpack"
2387 libwavpack_encoder_select="audio_frame_queue"
2388 libwebp_encoder_deps="libwebp"
2389 libx262_encoder_deps="libx262"
2390 libx264_encoder_deps="libx264"
2391 libx265_encoder_deps="libx265"
2392 libxavs_encoder_deps="libxavs"
2393 libxvid_encoder_deps="libxvid mkstemp"
2394
2395 # demuxers / muxers
2396 ac3_demuxer_select="ac3_parser"
2397 asf_demuxer_select="riffdec"
2398 asf_muxer_select="riffenc"
2399 asf_stream_muxer_select="asf_muxer"
2400 avi_demuxer_select="iso_media riffdec"
2401 avi_muxer_select="riffenc"
2402 caf_demuxer_select="iso_media riffdec"
2403 dash_muxer_select="mp4_muxer"
2404 dirac_demuxer_select="dirac_parser"
2405 dv_demuxer_select="dvprofile"
2406 dv_muxer_select="dvprofile"
2407 dxa_demuxer_select="riffdec"
2408 eac3_demuxer_select="ac3_parser"
2409 f4v_muxer_select="mov_muxer"
2410 flac_demuxer_select="flac_parser"
2411 hds_muxer_select="flv_muxer"
2412 hls_muxer_select="mpegts_muxer"
2413 ipod_muxer_select="mov_muxer"
2414 ismv_muxer_select="mov_muxer"
2415 matroska_audio_muxer_select="matroska_muxer"
2416 matroska_demuxer_select="iso_media riffdec"
2417 matroska_demuxer_suggest="bzlib lzo zlib"
2418 matroska_muxer_select="iso_media riffenc"
2419 mmf_muxer_select="riffenc"
2420 mov_demuxer_select="iso_media riffdec"
2421 mov_demuxer_suggest="zlib"
2422 mov_muxer_select="iso_media riffenc rtpenc_chain"
2423 mp3_demuxer_select="mpegaudio_parser"
2424 mp3_muxer_select="mpegaudioheader"
2425 mp4_muxer_select="mov_muxer"
2426 mpegts_demuxer_select="iso_media"
2427 mpegts_muxer_select="adts_muxer latm_muxer"
2428 mpegtsraw_demuxer_select="mpegts_demuxer"
2429 mxf_d10_muxer_select="mxf_muxer"
2430 nut_muxer_select="riffenc"
2431 nuv_demuxer_select="riffdec"
2432 oga_muxer_select="ogg_muxer"
2433 ogg_demuxer_select="dirac_parse"
2434 opus_muxer_select="ogg_muxer"
2435 psp_muxer_select="mov_muxer"
2436 rtp_demuxer_select="sdp_demuxer"
2437 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
2438 rtsp_demuxer_select="http_protocol rtpdec"
2439 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2440 sap_demuxer_select="sdp_demuxer"
2441 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2442 sdp_demuxer_select="rtpdec"
2443 smoothstreaming_muxer_select="ismv_muxer"
2444 spdif_demuxer_select="adts_header"
2445 spdif_muxer_select="adts_header"
2446 spx_muxer_select="ogg_muxer"
2447 swf_demuxer_suggest="zlib"
2448 tak_demuxer_select="tak_parser"
2449 tg2_muxer_select="mov_muxer"
2450 tgp_muxer_select="mov_muxer"
2451 w64_demuxer_select="wav_demuxer"
2452 wav_demuxer_select="riffdec"
2453 wav_muxer_select="riffenc"
2454 webm_muxer_select="iso_media riffenc"
2455 wtv_demuxer_select="mpegts_demuxer riffdec"
2456 xmv_demuxer_select="riffdec"
2457 xwma_demuxer_select="riffdec"
2458
2459 # indevs / outdevs
2460 alsa_indev_deps="alsa"
2461 alsa_outdev_deps="alsa"
2462 avfoundation_indev_deps="AVFoundation_AVFoundation_h objc_arc pthreads"
2463 avfoundation_indev_extralibs="-framework Foundation -framework AVFoundation -framework CoreVideo -framework CoreMedia"
2464 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2465 dv1394_indev_deps="dv1394"
2466 dv1394_indev_select="dv_demuxer"
2467 fbdev_indev_deps="linux_fb_h"
2468 jack_indev_deps="libjack"
2469 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
2470 libcdio_indev_deps="libcdio"
2471 libdc1394_indev_deps="libdc1394"
2472 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2473 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2474 pulse_indev_deps="libpulse"
2475 sndio_indev_deps="sndio"
2476 sndio_outdev_deps="sndio"
2477 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2478 vfwcap_indev_deps="vfw32 vfwcap_defines"
2479 xcbgrab_indev_deps="libxcb libxcb_shape"
2480 xcbgrab_indev_suggest="libxcb_shm libxcb_xfixes"
2481
2482 # protocols
2483 ffrtmpcrypt_protocol_conflict="librtmp_protocol"
2484 ffrtmpcrypt_protocol_deps_any="gmp openssl"
2485 ffrtmpcrypt_protocol_select="tcp_protocol"
2486 ffrtmphttp_protocol_conflict="librtmp_protocol"
2487 ffrtmphttp_protocol_select="http_protocol"
2488 gopher_protocol_select="network"
2489 http_protocol_select="tcp_protocol"
2490 http_protocol_suggest="zlib"
2491 httpproxy_protocol_select="tcp_protocol"
2492 httpproxy_protocol_suggest="zlib"
2493 https_protocol_select="tls_protocol"
2494 https_protocol_suggest="zlib"
2495 icecast_protocol_select="http_protocol"
2496 librtmp_protocol_deps="librtmp"
2497 librtmpe_protocol_deps="librtmp"
2498 librtmps_protocol_deps="librtmp"
2499 librtmpt_protocol_deps="librtmp"
2500 librtmpte_protocol_deps="librtmp"
2501 mmsh_protocol_select="http_protocol"
2502 mmst_protocol_select="network"
2503 rtmp_protocol_conflict="librtmp_protocol"
2504 rtmp_protocol_select="tcp_protocol"
2505 rtmp_protocol_suggest="zlib"
2506 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2507 rtmpe_protocol_suggest="zlib"
2508 rtmps_protocol_conflict="librtmp_protocol"
2509 rtmps_protocol_select="tls_protocol"
2510 rtmps_protocol_suggest="zlib"
2511 rtmpt_protocol_select="ffrtmphttp_protocol"
2512 rtmpt_protocol_suggest="zlib"
2513 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2514 rtmpte_protocol_suggest="zlib"
2515 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2516 rtmpts_protocol_suggest="zlib"
2517 rtp_protocol_select="udp_protocol"
2518 sctp_protocol_deps="struct_sctp_event_subscribe"
2519 sctp_protocol_select="network"
2520 srtp_protocol_select="rtp_protocol srtp"
2521 tcp_protocol_select="network"
2522 tls_protocol_deps_any="gnutls openssl"
2523 tls_protocol_select="tcp_protocol"
2524 udp_protocol_select="network"
2525 unix_protocol_deps="sys_un_h"
2526 unix_protocol_select="network"
2527
2528 # filters
2529 asyncts_filter_deps="avresample"
2530 blackframe_filter_deps="gpl"
2531 boxblur_filter_deps="gpl"
2532 bs2b_filter_deps="libbs2b"
2533 cropdetect_filter_deps="gpl"
2534 deinterlace_qsv_filter_deps="libmfx"
2535 deinterlace_vaapi_filter_deps="vaapi"
2536 delogo_filter_deps="gpl"
2537 drawtext_filter_deps="libfreetype"
2538 drawtext_filter_suggest="libfontconfig"
2539 frei0r_filter_deps="frei0r libdl"
2540 frei0r_src_filter_deps="frei0r libdl"
2541 hdcd_filter_deps="libhdcd"
2542 hqdn3d_filter_deps="gpl"
2543 interlace_filter_deps="gpl"
2544 movie_filter_deps="avcodec avformat"
2545 ocv_filter_deps="libopencv"
2546 overlay_qsv_filter_deps="libmfx"
2547 overlay_qsv_filter_select="qsvvpp"
2548 resample_filter_deps="avresample"
2549 scale_filter_deps="swscale"
2550 scale_qsv_filter_deps="libmfx"
2551 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
2552 vpp_qsv_filter_deps="libmfx"
2553 vpp_qsv_filter_select="qsvvpp"
2554
2555 # examples
2556 decode_audio_example_deps="avcodec avutil"
2557 decode_video_example_deps="avcodec avutil"
2558 encode_audio_example_deps="avcodec avutil"
2559 encode_video_example_deps="avcodec avutil"
2560 filter_audio_example_deps="avfilter avutil"
2561 metadata_example_deps="avformat avutil"
2562 output_example_deps="avcodec avformat avresample avutil swscale"
2563 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
2564 transcode_aac_example_deps="avcodec avformat avresample"
2565
2566 # EXTRALIBS_LIST
2567 cpu_init_extralibs="pthreads_extralibs"
2568 cws2fws_extralibs="zlib_extralibs"
2569
2570 # libraries, in linking order
2571 avcodec_deps="avutil"
2572 avcodec_select="null_bsf"
2573 avdevice_deps="avformat avcodec avutil"
2574 avfilter_deps="avutil"
2575 avformat_deps="avcodec avutil"
2576 avformat_suggest="network"
2577 avresample_deps="avutil"
2578 swscale_deps="avutil"
2579
2580 avcodec_extralibs="pthreads_extralibs libm_extralibs"
2581 avdevice_extralibs="libm_extralibs"
2582 avformat_extralibs="libm_extralibs"
2583 avfilter_extralibs="pthreads_extralibs libm_extralibs"
2584 avresample_extralibs="libm_extralibs"
2585 avutil_extralibs="clock_gettime_extralibs cuda_extralibs cuvid_extralibs d3d11va_extralibs libm_extralibs libmfx_extralibs nanosleep_extralibs pthreads_extralibs user32_extralibs vaapi_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs wincrypt_extralibs"
2586 swscale_extralibs="libm_extralibs"
2587
2588 # programs
2589 avconv_deps="avcodec avfilter avformat avresample swscale"
2590 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2591 fps_filter null_filter resample_filter scale_filter
2592 trim_filter"
2593 avconv_suggest="psapi shell32"
2594 avplay_deps="avcodec avfilter avformat avresample sdl"
2595 avplay_select="rdft format_filter transpose_filter hflip_filter vflip_filter"
2596 avplay_suggest="shell32"
2597 avprobe_deps="avcodec avformat"
2598 avprobe_suggest="shell32"
2599
2600 # documentation
2601 pod2man_deps="doc"
2602 texi2html_deps="doc"
2603
2604 # default parameters
2605
2606 logfile="avbuild/config.log"
2607
2608 # installation paths
2609 prefix_default="/usr/local"
2610 bindir_default='${prefix}/bin'
2611 datadir_default='${prefix}/share/avconv'
2612 docdir_default='${prefix}/share/doc/libav'
2613 incdir_default='${prefix}/include'
2614 libdir_default='${prefix}/lib'
2615 mandir_default='${prefix}/share/man'
2616 shlibdir_default="$libdir_default"
2617
2618 # toolchain
2619 ar_default="ar"
2620 cc_default="gcc"
2621 host_cc_default="gcc"
2622 x86asmexe_default="nasm"
2623 ln_s="ln -s -f"
2624 nm_default="nm -g"
2625 pkg_config_default=pkg-config
2626 ranlib="ranlib"
2627 strip="strip"
2628 version_script='--version-script'
2629
2630 # machine
2631 arch_default=$(uname -m)
2632 cpu="generic"
2633 intrinsics="none"
2634
2635 # OS
2636 target_os_default=$(tolower $(uname -s))
2637 host_os=$target_os_default
2638
2639 # configurable options
2640 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2641
2642 enable asm
2643 enable debug
2644 enable doc
2645 enable faan faandct faanidct
2646 enable optimizations
2647 enable safe_bitstream_reader
2648 enable static
2649 enable swscale_alpha
2650 enable valgrind_backtrace
2651
2652 # By default, enable only those hwaccels that have no external dependencies.
2653 enable d3d11va dxva2 vda vdpau
2654
2655 # internal components are enabled by default
2656 enable $EXTRALIBS_LIST
2657
2658 # Avoid external, non-system, libraries getting enabled by dependency resolution
2659 disable $EXTERNAL_LIBRARY_LIST
2660
2661 # build settings
2662 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2663 LIBPREF="lib"
2664 LIBSUF=".a"
2665 LIBNAME='$(LIBPREF)$(NAME)$(LIBSUF)'
2666 SLIBPREF="lib"
2667 SLIBSUF=".so"
2668 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
2669 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2670 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2671 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2672 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2673 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2674 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
2675
2676 asflags_filter=echo
2677 cflags_filter=echo
2678 ldflags_filter=echo
2679
2680 AS_C='-c'
2681 AS_O='-o $@'
2682 CC_C='-c'
2683 CC_E='-E -o $@'
2684 CC_O='-o $@'
2685 OBJCC_C='-c'
2686 OBJCC_E='-E -o $@'
2687 OBJCC_O='-o $@'
2688 X86ASM_O='-o $@'
2689 LD_O='-o $@'
2690 LD_LIB='-l%'
2691 LD_PATH='-L'
2692 HOSTCC_C='-c'
2693 HOSTCC_E='-E -o $@'
2694 HOSTCC_O='-o $@'
2695 HOSTLD_O='-o $@'
2696
2697 host_extralibs='-lm'
2698 host_cflags_filter=echo
2699 host_ldflags_filter=echo
2700
2701 target_path='$(CURDIR)'
2702
2703 # since the object filename is not given with the -MM flag, the compiler
2704 # is only able to print the basename, and we must add the path ourselves
2705 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2706 DEPFLAGS='-MM'
2707
2708 mkdir -p avbuild
2709
2710 # find source path
2711 if test -f configure; then
2712 source_path=.
2713 else
2714 source_path=$(cd $(dirname "$0"); pwd)
2715 echo "$source_path" | grep -q '[[:blank:]]' &&
2716 die "Out of tree builds are impossible with whitespace in source path."
2717 test -e "$source_path/config.h" &&
2718 die "Out of tree builds are impossible with config.h in source dir."
2719 fi
2720
2721 for v in "$@"; do
2722 r=${v#*=}
2723 l=${v%"$r"}
2724 r=$(sh_quote "$r")
2725 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2726 done
2727
2728 find_things(){
2729 thing=$1
2730 pattern=$2
2731 file=$source_path/$3
2732 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2733 }
2734
2735 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2736 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2737 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2738 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2739 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2740 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2741 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2742 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2743 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2744
2745 find_things_extern(){
2746 thing=$1
2747 pattern=$2
2748 file=$source_path/$3
2749 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
2750 }
2751
2752 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
2753 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
2754
2755 AVCODEC_COMPONENTS_LIST="
2756 $BSF_LIST
2757 $DECODER_LIST
2758 $ENCODER_LIST
2759 $HWACCEL_LIST
2760 $PARSER_LIST
2761 "
2762
2763 AVDEVICE_COMPONENTS_LIST="
2764 $INDEV_LIST
2765 $OUTDEV_LIST
2766 "
2767
2768 AVFILTER_COMPONENTS_LIST="
2769 $FILTER_LIST
2770 "
2771
2772 AVFORMAT_COMPONENTS_LIST="
2773 $DEMUXER_LIST
2774 $MUXER_LIST
2775 $PROTOCOL_LIST
2776 "
2777
2778 ALL_COMPONENTS="
2779 $AVCODEC_COMPONENTS_LIST
2780 $AVDEVICE_COMPONENTS_LIST
2781 $AVFILTER_COMPONENTS_LIST
2782 $AVFORMAT_COMPONENTS_LIST
2783 "
2784
2785 for n in $COMPONENT_LIST; do
2786 v=$(toupper ${n%s})_LIST
2787 eval enable \$$v
2788 eval ${n}_if_any="\$$v"
2789 done
2790
2791 enable $ARCH_EXT_LIST
2792
2793 die_unknown(){
2794 echo "Unknown option \"$1\"."
2795 echo "See $0 --help for available options."
2796 exit 1
2797 }
2798
2799 print_3_columns() {
2800 printf "%-25s %-25s %-25s\n" $(cat | tr ' ' '\n' | sort)
2801 }
2802
2803 show_list() {
2804 suffix=_$1
2805 shift
2806 echo $* | sed s/$suffix//g | print_3_columns
2807 exit 0
2808 }
2809
2810 rand_list(){
2811 IFS=', '
2812 set -- $*
2813 unset IFS
2814 for thing; do
2815 comp=${thing%:*}
2816 prob=${thing#$comp}
2817 prob=${prob#:}
2818 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2819 echo "prob ${prob:-0.5}"
2820 printf '%s\n' $comp
2821 done
2822 }
2823
2824 do_random(){
2825 action=$1
2826 shift
2827 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2828 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2829 }
2830
2831 for opt do
2832 optval="${opt#*=}"
2833 case "$opt" in
2834 --extra-ldflags=*)
2835 add_ldflags $optval
2836 ;;
2837 --extra-ldexeflags=*)
2838 add_ldexeflags $optval
2839 ;;
2840 --extra-ldsoflags=*)
2841 add_ldsoflags $optval
2842 ;;
2843 --extra-libs=*)
2844 add_extralibs $optval
2845 ;;
2846 --disable-devices)
2847 disable $INDEV_LIST $OUTDEV_LIST
2848 ;;
2849 --enable-debug=*)
2850 debuglevel="$optval"
2851 ;;
2852 --disable-programs)
2853 disable $PROGRAM_LIST
2854 ;;
2855 --disable-everything)
2856 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2857 ;;
2858 --disable-all)
2859 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2860 disable $LIBRARY_LIST $PROGRAM_LIST doc
2861 ;;
2862 --enable-random|--disable-random)
2863 action=${opt%%-random}
2864 do_random ${action#--} $COMPONENT_LIST
2865 ;;
2866 --enable-random=*|--disable-random=*)
2867 action=${opt%%-random=*}
2868 do_random ${action#--} $optval
2869 ;;
2870 --enable-*=*|--disable-*=*)
2871 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2872 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2873 eval list=\$$(toupper $thing)_LIST
2874 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2875 $action $(filter "$name" $list)
2876 ;;
2877 --enable-avserver|--disable-avserver*)
2878 warn "avserver has been removed, the ${opt} option is only"\
2879 "provided for compatibility and will be removed in the future"
2880 ;;
2881 --enable-yasm|--disable-yasm)
2882 warn "The ${opt} option is only provided for compatibility and will be\n"\
2883 "removed in the future. Use --enable-x86asm / --disable-x86asm instead."
2884 test $opt = --enable-yasm && x86asm=yes || x86asm=no
2885 ;;
2886 --enable-?*|--disable-?*)
2887 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2888 if is_in $option $COMPONENT_LIST; then
2889 test $action = disable && action=unset
2890 eval $action \$$(toupper ${option%s})_LIST
2891 elif is_in $option $CMDLINE_SELECT; then
2892 $action $option
2893 else
2894 die_unknown $opt
2895 fi
2896 ;;
2897 --list-*)
2898 NAME="${opt#--list-}"
2899 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2900 NAME=${NAME%s}
2901 eval show_list $NAME \$$(toupper $NAME)_LIST
2902 ;;
2903 --help|-h) show_help
2904 ;;
2905 --quiet|-q) quiet=yes
2906 ;;
2907 *)
2908 optname="${opt%%=*}"
2909 optname="${optname#--}"
2910 optname=$(echo "$optname" | sed 's/-/_/g')
2911 if is_in $optname $CMDLINE_SET; then
2912 eval $optname='$optval'
2913 elif is_in $optname $CMDLINE_APPEND; then
2914 append $optname "$optval"
2915 else
2916 die_unknown $opt
2917 fi
2918 ;;
2919 esac
2920 done
2921
2922 for e in $env; do
2923 eval "export $e"
2924 done
2925
2926 disabled logging && logfile=/dev/null
2927
2928 # Die early if licensing-related configure options are incompatible.
2929 die_license_disabled() {
2930 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
2931 }
2932
2933 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST
2934 map "die_license_disabled nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST $HWACCEL_LIBRARY_NONFREE_LIST
2935 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST
2936
2937 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2938
2939 enabled_all gnutls openssl &&
2940 die "GnuTLS and OpenSSL must not be enabled at the same time."
2941
2942 # Disable all the library-specific components if the library itself
2943 # is disabled, see AVCODEC_LIST and following _LIST variables.
2944
2945 disable_components(){
2946 disabled ${1} && disable $(
2947 eval components="\$$(toupper ${1})_COMPONENTS"
2948 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
2949 )
2950 }
2951
2952 map 'disable_components $v' $LIBRARY_LIST
2953
2954 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2955 set >> $logfile
2956
2957 case "$toolchain" in
2958 *-asan)
2959 cc_default="${toolchain%-asan}"
2960 add_cflags -fsanitize=address
2961 add_ldflags -fsanitize=address
2962 ;;
2963 *-msan)
2964 cc_default="${toolchain%-msan}"
2965 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
2966 add_ldflags -fsanitize=memory
2967 ;;
2968 *-tsan)
2969 cc_default="${toolchain%-tsan}"
2970 add_cflags -fsanitize=thread -fPIE
2971 add_ldflags -fsanitize=thread -pie
2972 case "$toolchain" in
2973 gcc-tsan)
2974 add_cflags -fPIC
2975 add_ldflags -fPIC
2976 ;;
2977 esac
2978 ;;
2979 *-usan)
2980 cc_default="${toolchain%-usan}"
2981 add_cflags -fsanitize=undefined
2982 add_ldflags -fsanitize=undefined
2983 case "$toolchain" in
2984 clang-usan)
2985 add_cflags -O1
2986 ;;
2987 esac
2988 ;;
2989 valgrind-*)
2990 target_exec_default="valgrind"
2991 case "$toolchain" in
2992 valgrind-massif)
2993 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2994 ;;
2995 valgrind-memcheck)
2996 target_exec_args="--track-origins=yes --leak-check=full"
2997 ;;
2998 esac
2999 ;;
3000 msvc)
3001 # Check whether the current MSVC version needs the C99 converter.
3002 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3003 # support enough of C99 to build libav. Default to the new
3004 # behaviour if the regexp was unable to match anything, since this
3005 # successfully parses the version number of existing supported
3006 # versions that require the converter (MSVC 2010 and 2012).
3007 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3008 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3009 cc_default="cl"
3010 else
3011 cc_default="c99wrap cl"
3012 fi
3013 ld_default="$source_path/compat/windows/mslink"
3014 nm_default="dumpbin -symbols"
3015 ar_default="lib"
3016 case "$arch" in
3017 arm*)
3018 as_default="armasm"
3019 ;;
3020 esac
3021 target_os_default="win32"
3022 # Use a relative path for TMPDIR. This makes sure all the
3023 # ffconf temp files are written with a relative path, avoiding
3024 # issues with msys/win32 path conversion for MSVC parameters
3025 # such as -Fo<file> or -out:<file>.
3026 TMPDIR=.
3027 ;;
3028 icl)
3029 cc_default="icl"
3030 ld_default="xilink"
3031 nm_default="dumpbin -symbols"
3032 ar_default="xilib"
3033 target_os_default="win32"
3034 TMPDIR=.
3035 ;;
3036 gcov)
3037 add_cflags -fprofile-arcs -ftest-coverage
3038 add_ldflags -fprofile-arcs -ftest-coverage
3039 ;;
3040 llvm-cov)
3041 add_cflags -fprofile-arcs -ftest-coverage
3042 add_ldflags --coverage
3043 ;;
3044 hardened)
3045 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3046 add_cflags -fno-strict-overflow -fstack-protector-all
3047 add_ldflags -Wl,-z,relro -Wl,-z,now
3048 ;;
3049 ?*)
3050 die "Unknown toolchain $toolchain"
3051 ;;
3052 esac
3053
3054 test -n "$cross_prefix" && enable cross_compile
3055
3056 if enabled cross_compile; then
3057 test -n "$arch" && test -n "$target_os" ||
3058 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
3059 fi
3060
3061 ar_default="${cross_prefix}${ar_default}"
3062 cc_default="${cross_prefix}${cc_default}"
3063 objcc_default="${cross_prefix}${objcc_default}"
3064 x86asmexe_default="${cross_prefix}${x86asmexe_default}"
3065 nm_default="${cross_prefix}${nm_default}"
3066 pkg_config_default="${cross_prefix}${pkg_config_default}"
3067 ranlib="${cross_prefix}${ranlib}"
3068 strip="${cross_prefix}${strip}"
3069
3070 sysinclude_default="${sysroot}/usr/include"
3071
3072 set_default arch cc pkg_config sysinclude target_exec target_os x86asmexe
3073 enabled cross_compile || host_cc_default=$cc
3074 set_default host_cc
3075
3076 if ! $pkg_config --version >/dev/null 2>&1; then
3077 warn "$pkg_config not found, library detection may fail."
3078 pkg_config=false
3079 fi
3080
3081 exesuf() {
3082 case $1 in
3083 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3084 esac
3085 }
3086
3087 EXESUF=$(exesuf $target_os)
3088 HOSTEXESUF=$(exesuf $host_os)
3089
3090 # set temporary file name
3091 : ${TMPDIR:=$TEMPDIR}
3092 : ${TMPDIR:=$TMP}
3093 : ${TMPDIR:=/tmp}
3094
3095 if ! check_cmd mktemp -u XXXXXX; then
3096 # simple replacement for missing mktemp
3097 # NOT SAFE FOR GENERAL USE
3098 mktemp(){
3099 tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3100 echo "$tmpname"
3101 mkdir "$tmpname"
3102 }
3103 fi
3104
3105 AVTMPDIR=$(mktemp -d "${TMPDIR}/avconf.XXXXXXXX" 2> /dev/null) ||
3106 die "Unable to create temporary directory in $TMPDIR."
3107
3108 tmpfile(){
3109 tmp="${AVTMPDIR}/test"$2
3110 (set -C; exec > $tmp) 2> /dev/null ||
3111 die "Unable to create temporary file in $AVTMPDIR."
3112 eval $1=$tmp
3113 }
3114
3115 trap 'rm -rf -- "$AVTMPDIR"' EXIT
3116 trap 'exit 2' INT
3117
3118 tmpfile TMPASM .asm
3119 tmpfile TMPC .c
3120 tmpfile TMPE $EXESUF
3121 tmpfile TMPH .h
3122 tmpfile TMPO .o
3123 tmpfile TMPS .S
3124 tmpfile TMPSH .sh
3125 tmpfile TMPV .ver
3126
3127 unset -f mktemp
3128
3129 chmod +x $TMPE
3130
3131 # make sure we can execute files in $TMPDIR
3132 cat > $TMPSH 2>> $logfile <<EOF
3133 #! /bin/sh
3134 EOF
3135 chmod +x $TMPSH >> $logfile 2>&1
3136 if ! $TMPSH >> $logfile 2>&1; then
3137 cat <<EOF
3138 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3139 variable to another directory and make sure that it is not mounted noexec.
3140 EOF
3141 die "Sanity test failed."
3142 fi
3143
3144 armasm_flags(){
3145 for flag; do
3146 case $flag in
3147 # Filter out MSVC cl.exe options from cflags that shouldn't
3148 # be passed to gas-preprocessor
3149 -M[TD]*) ;;
3150 *) echo $flag ;;
3151 esac
3152 done
3153 }
3154
3155 cparser_flags(){
3156 for flag; do
3157 case $flag in
3158 -Wno-switch) echo -Wno-switch-enum ;;
3159 -Wno-format-zero-length) ;;
3160 -Wdisabled-optimization) ;;
3161 -Wno-pointer-sign) echo -Wno-other ;;
3162 *) echo $flag ;;
3163 esac
3164 done
3165 }
3166
3167 msvc_common_flags(){
3168 for flag; do
3169 case $flag in
3170 # In addition to specifying certain flags under the compiler
3171 # specific filters, they must be specified here as well or else the
3172 # generic catch all at the bottom will print the original flag.
3173 -Wall) ;;
3174 -Wextra) ;;
3175 -std=c99) ;;
3176 # Common flags
3177 -fomit-frame-pointer) ;;
3178 -g) echo -Z7 ;;
3179 -fno-math-errno) ;;
3180 -fno-common) ;;
3181 -fno-signed-zeros) ;;
3182 -fPIC) ;;
3183 -mthumb) ;;
3184 -march=*) ;;
3185 -lz) echo zlib.lib ;;
3186 -lx264) echo libx264.lib ;;
3187 -l*) echo ${flag#-l}.lib ;;
3188 -L*) echo -libpath:${flag#-L} ;;
3189 *) echo $flag ;;
3190 esac
3191 done
3192 }
3193
3194 msvc_flags(){
3195 msvc_common_flags "$@"
3196 for flag; do
3197 case $flag in
3198 -Wall) echo -W3 -wd4018 -wd4146 -wd4244 -wd4305 \
3199 -wd4554 ;;
3200 -Wextra) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3201 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3202 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3203 -wd4273 -wd4554 -wd4701 -wd4703 ;;
3204 esac
3205 done
3206 }
3207
3208 icl_flags(){
3209 msvc_common_flags "$@"
3210 for flag; do
3211 case $flag in
3212 # Despite what Intel's documentation says -Wall, which is supported
3213 # on Windows, does enable remarks so disable them here.
3214 -Wall) echo $flag -Qdiag-disable:remark ;;
3215 -std=c99) echo -Qstd=c99 ;;
3216 esac
3217 done
3218 }
3219
3220 pgi_flags(){
3221 for flag; do
3222 case $flag in
3223 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3224 -fomit-frame-pointer) echo -Mnoframe ;;
3225 -g) echo -gopt ;;
3226 *) echo $flag ;;
3227 esac
3228 done
3229 }
3230
3231 suncc_flags(){
3232 for flag; do
3233 case $flag in
3234 -march=*|-mcpu=*)
3235 case "${flag#*=}" in
3236 native) echo -xtarget=native ;;
3237 v9|niagara) echo -xarch=sparc ;;
3238 ultrasparc) echo -xarch=sparcvis ;;
3239 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3240 i586|pentium) echo -xchip=pentium ;;
3241 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3242 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3243 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3244 pentium4*) echo -xtarget=pentium4 ;;
3245 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3246 *-sse3) echo -xarch=sse3 ;;
3247 core2) echo -xarch=ssse3 -xchip=core2 ;;
3248 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
3249 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
3250 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
3251 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3252 k8|opteron|athlon64|athlon-fx)
3253 echo -xarch=sse2a ;;
3254 athlon*) echo -xarch=pentium_proa ;;
3255 esac
3256 ;;
3257 -std=c99) echo -xc99 ;;
3258 -fomit-frame-pointer) echo -xregs=frameptr ;;
3259 -fPIC) echo -KPIC -xcode=pic32 ;;
3260 -W*,*) echo $flag ;;
3261 -f*-*|-W*|-mimpure-text) ;;
3262 -shared) echo -G ;;
3263 *) echo $flag ;;
3264 esac
3265 done
3266 }
3267
3268 tms470_flags(){
3269 for flag; do
3270 case $flag in
3271 -march=*|-mcpu=*)
3272 case "${flag#*=}" in
3273 armv7-a|cortex-a*) echo -mv=7a8 ;;
3274 armv7-r|cortex-r*) echo -mv=7r4 ;;
3275 armv7-m|cortex-m*) echo -mv=7m3 ;;
3276 armv6*|arm11*) echo -mv=6 ;;
3277 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3278 echo -mv=5e ;;
3279 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3280 esac
3281 ;;
3282 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3283 -mfpu=vfp) echo --float_support=vfpv2 ;;
3284 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3285 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3286 -msoft-float) echo --float_support=vfplib ;;
3287 -O[0-3]|-mf=*) echo $flag ;;
3288 -g) echo -g -mn ;;
3289 -pds=*) echo $flag ;;
3290 -D*|-I*) echo $flag ;;
3291 --gcc|--abi=*) echo $flag ;;
3292 -me) echo $flag ;;
3293 esac
3294 done
3295 }
3296
3297 probe_cc(){
3298 pfx=$1
3299 _cc=$2
3300
3301 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3302 unset _ld_o _ldflags _ld_lib _ld_path
3303 unset _depflags _DEPCMD _DEPFLAGS
3304 _flags_filter=echo
3305
3306 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3307 _type=llvm_gcc
3308 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3309 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3310 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3311 _cflags_speed='-O3'
3312 _cflags_size='-Os'
3313 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3314 _type=gcc
3315 gcc_version=$($_cc --version | head -n1)
3316 gcc_basever=$($_cc -dumpversion)
3317 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3318 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3319 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3320 if ! $_cc -dumpversion | grep -q '^2\.'; then
3321 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3322 fi
3323 _cflags_speed='-O3'
3324 _cflags_size='-Os'
3325 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3326 _type=icc
3327 _ident=$($_cc --version | head -n1)
3328 _depflags='-MMD'
3329 _cflags_speed='-O3'
3330 _cflags_size='-Os'
3331 _cflags_noopt='-O1'
3332 elif $_cc -v 2>&1 | grep -q xlc; then
3333 _type=xlc
3334 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3335 _cflags_speed='-O5'
3336 _cflags_size='-O5 -qcompact'
3337 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3338 test -d "$sysroot" || die "No valid sysroot specified."
3339 _type=armcc
3340 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3341 armcc_conf="$PWD/armcc.conf"
3342 $_cc --arm_linux_configure \
3343 --arm_linux_config_file="$armcc_conf" \
3344 --configure_sysroot="$sysroot" \
3345 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3346 die "Error creating armcc configuration file."
3347 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3348 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3349 as_default="${cross_prefix}gcc"
3350 _depflags='-MMD'
3351 _cflags_speed='-O3'
3352 _cflags_size='-Os'
3353 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3354 _type=tms470
3355 _ident=$($_cc -version | head -n1 | tr -s ' ')
3356 _flags='--gcc --abi=eabi -me'
3357 _cc_e='-ppl -fe=$@'
3358 _cc_o='-fe=$@'
3359 _depflags='-ppa -ppd=$(@:.o=.d)'
3360 _cflags_speed='-O3 -mf=5'
3361 _cflags_size='-O3 -mf=2'
3362 _flags_filter=tms470_flags
3363 elif $_cc -v 2>&1 | grep -q clang; then
3364 _type=clang
3365 _ident=$($_cc --version 2>/dev/null | head -n1)
3366 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3367 _cflags_speed='-O3'
3368 _cflags_size='-Os'
3369 elif $_cc -V 2>&1 | grep -q Sun; then
3370 _type=suncc
3371 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3372 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3373 _DEPFLAGS='-xM1 -xc99'
3374 _ldflags='-std=c99'
3375 _cflags_speed='-O5'
3376 _cflags_size='-O5 -xspace'
3377 _flags_filter=suncc_flags
3378 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3379 _type=pathscale
3380 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3381 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3382 _cflags_speed='-O2'
3383 _cflags_size='-Os'
3384 _flags_filter='filter_out -Wdisabled-optimization'
3385 elif $_cc -v 2>&1 | grep -q Open64; then
3386 _type=open64
3387 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3388 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3389 _cflags_speed='-O2'
3390 _cflags_size='-Os'
3391 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3392 elif $_cc -V 2>&1 | grep -q Portland; then
3393 _type=pgi
3394 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3395 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3396 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3397 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3398 _cflags_noopt="-O1"
3399 _flags_filter=pgi_flags
3400 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3401 _type=armasm
3402 _ident=$($_cc | head -n1)
3403 # 4509: "This form of conditional instruction is deprecated"
3404 _flags="-nologo -ignore 4509"
3405 _flags_filter=armasm_flags
3406 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3407 _type=msvc
3408 _ident=$($_cc 2>&1 | head -n1)
3409 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3410 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3411 _cflags_speed="-O2"
3412 _cflags_size="-O1"
3413 _cflags_noopt="-O1"
3414 if $_cc -nologo- 2>&1 | grep -q Linker; then
3415 _ld_o='-out:$@'
3416 else
3417 _ld_o='-Fe$@'
3418 fi
3419 _cc_o='-Fo$@'
3420 _cc_e='-P -Fi$@'
3421 _flags_filter=msvc_flags
3422 _ld_lib='lib%.a'
3423 _ld_path='-libpath:'
3424 _flags='-nologo'
3425 elif $_cc 2>&1 | grep -q Intel; then
3426 _type=icl
3427 _ident=$($_cc 2>&1 | head -n1)
3428 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3429 # Not only is O3 broken on 13.x+ but it is slower on all previous
3430 # versions (tested) as well.
3431 _cflags_speed="-O2"
3432 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3433 if $_cc 2>&1 | grep -q Linker; then
3434 _ld_o='-out:$@'
3435 else
3436 _ld_o='-Fe$@'
3437 fi
3438 _cc_o='-Fo$@'
3439 _cc_e='-P'
3440 _flags_filter=icl_flags
3441 _ld_lib='lib%.a'
3442 _ld_path='-libpath:'
3443 # -Qdiag-error to make icl error when seeing certain unknown arguments
3444 _flags='-nologo -Qdiag-error:4044,10157'
3445 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3446 # with MSVC which enables it by default.
3447 _cflags='-Qms0 -Qvec- -Qsimd- -GS'
3448 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
3449 # lld can emulate multiple different linkers; in ms link.exe mode,
3450 # the -? parameter gives the help output which contains an identifyable
3451 # string, while it gives an error in other modes.
3452 _type=lld-link
3453 # The link.exe mode doesn't have a switch for getting the version,
3454 # but we can force it back to gnu mode and get the version from there.
3455 _ident=$($_cc -flavor gnu --version 2>/dev/null)
3456 _ld_o='-out:$@'
3457 _flags_filter=msvc_flags
3458 _ld_lib='lib%.a'
3459 _ld_path='-libpath:'
3460 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3461 _type=cparser
3462 _ident=$($_cc --version | head -n1)
3463 _depflags='-MMD'
3464 _cflags_speed='-O4'
3465 _cflags_size='-O2'
3466 _flags_filter=cparser_flags
3467 fi
3468
3469 eval ${pfx}_type=\$_type
3470 eval ${pfx}_ident=\$_ident
3471 }
3472
3473 set_ccvars(){
3474 eval ${1}_C=\${_cc_c-\${${1}_C}}
3475 eval ${1}_E=\${_cc_e-\${${1}_E}}
3476 eval ${1}_O=\${_cc_o-\${${1}_O}}
3477
3478 if [ -n "$_depflags" ]; then
3479 eval ${1}_DEPFLAGS=\$_depflags
3480 else
3481 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3482 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3483 eval DEP${1}FLAGS=\$_flags
3484 fi
3485 }
3486
3487 probe_cc cc "$cc"
3488 cflags_filter=$_flags_filter
3489 cflags_speed=$_cflags_speed
3490 cflags_size=$_cflags_size
3491 cflags_noopt=$_cflags_noopt
3492 add_cflags $_flags $_cflags
3493 cc_ldflags=$_ldflags
3494 set_ccvars CC
3495
3496 probe_cc hostcc "$host_cc"
3497 host_cflags_filter=$_flags_filter
3498 host_cflags_speed=$_cflags_speed
3499 add_host_cflags $_flags $_cflags
3500 set_ccvars HOSTCC
3501
3502 test -n "$cc_type" && enable $cc_type ||
3503 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3504
3505 : ${as_default:=$cc}
3506 : ${objcc_default:=$cc}
3507 : ${dep_cc_default:=$cc}
3508 : ${ld_default:=$cc}
3509 : ${host_ld_default:=$host_cc}
3510 set_default ar as objcc dep_cc ld host_ld
3511
3512 probe_cc as "$as"
3513 asflags_filter=$_flags_filter
3514 add_asflags $_flags $_cflags
3515 set_ccvars AS
3516
3517 probe_cc objcc "$objcc"
3518 objcflags_filter=$_flags_filter
3519 add_objcflags $_flags $_cflags
3520 set_ccvars OBJC
3521
3522 probe_cc ld "$ld"
3523 ldflags_filter=$_flags_filter
3524 add_ldflags $_flags $_ldflags
3525 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3526 LD_O=${_ld_o-$LD_O}
3527 LD_LIB=${_ld_lib-$LD_LIB}
3528 LD_PATH=${_ld_path-$LD_PATH}
3529
3530 probe_cc hostld "$host_ld"
3531 host_ldflags_filter=$_flags_filter
3532 add_host_ldflags $_flags $_ldflags
3533 HOSTLD_O=${_ld_o-$HOSTLD_O}
3534
3535 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3536 probe_cc depcc "$dep_cc"
3537 CCDEP=${_DEPCMD:-$DEPCMD}
3538 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3539 DEPCCFLAGS=$_flags
3540 fi
3541
3542 if $ar 2>&1 | grep -q Microsoft; then
3543 arflags="-nologo"
3544 ar_o='-out:$@'
3545 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3546 arflags="rq"
3547 ar_o='$@'
3548 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3549 arflags='-Xany -r -c'
3550 ar_o='$@'
3551 else
3552 arflags="rc"
3553 ar_o='$@'
3554 fi
3555
3556 add_cflags $extra_cflags
3557 add_objcflags $extra_objcflags
3558 add_asflags $extra_cflags
3559
3560 if test -n "$sysroot"; then
3561 case "$cc_type" in
3562 gcc|llvm_gcc|clang)
3563 add_cppflags --sysroot="$sysroot"
3564 add_ldflags --sysroot="$sysroot"
3565 ;;
3566 tms470)
3567 add_cppflags -I"$sysinclude"
3568 add_ldflags --sysroot="$sysroot"
3569 ;;
3570 esac
3571 fi
3572
3573 if test "$cpu" = host; then
3574 enabled cross_compile &&
3575 die "--cpu=host makes no sense when cross-compiling."
3576
3577 case "$cc_type" in
3578 gcc|llvm_gcc)
3579 check_native(){
3580 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3581 sed -n "/cc1.*$1=/{
3582 s/.*$1=\\([^ ]*\\).*/\\1/
3583 p
3584 q
3585 }" $TMPE
3586 }
3587 cpu=$(check_native -march || check_native -mcpu)
3588 ;;
3589 esac
3590
3591 test "${cpu:-host}" = host &&
3592 die "--cpu=host not supported with compiler $cc"
3593 fi
3594
3595 # Deal with common $arch aliases
3596 case "$arch" in
3597 aarch64|arm64)
3598 arch="aarch64"
3599 ;;
3600 arm*)
3601 arch="arm"
3602 ;;
3603 mips*|IP*)
3604 case "$arch" in
3605 *el)
3606 add_cppflags -EL
3607 add_ldflags -EL
3608 ;;
3609 *eb)
3610 add_cppflags -EB
3611 add_ldflags -EB
3612 ;;
3613 esac
3614 arch="mips"
3615 ;;
3616 parisc*|hppa*)
3617 arch="parisc"
3618 ;;
3619 "Power Macintosh"|ppc*|powerpc*)
3620 arch="ppc"
3621 ;;
3622 s390|s390x)
3623 arch="s390"
3624 ;;
3625 sh4|sh)
3626 arch="sh4"
3627 ;;
3628 sun4u|sparc*)
3629 arch="sparc"
3630 ;;
3631 tilegx|tile-gx)
3632 arch="tilegx"
3633 ;;
3634 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3635 arch="x86"
3636 ;;
3637 esac
3638
3639 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3640 enable $arch
3641
3642 # Add processor-specific flags
3643 if enabled aarch64; then
3644
3645 case $cpu in
3646 armv*)
3647 cpuflags="-march=$cpu"
3648 ;;
3649 *)
3650 cpuflags="-mcpu=$cpu"
3651 ;;
3652 esac
3653
3654 elif enabled alpha; then
3655
3656 cpuflags="-mcpu=$cpu"
3657
3658 elif enabled arm; then
3659
3660 check_arm_arch() {
3661 check_cpp_condition stddef.h \
3662 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3663 $cpuflags
3664 }
3665
3666 probe_arm_arch() {
3667 if check_arm_arch 4; then echo armv4
3668 elif check_arm_arch 4T; then echo armv4t
3669 elif check_arm_arch 5; then echo armv5
3670 elif check_arm_arch 5E; then echo armv5e
3671 elif check_arm_arch 5T; then echo armv5t
3672 elif check_arm_arch 5TE; then echo armv5te
3673 elif check_arm_arch 5TEJ; then echo armv5te
3674 elif check_arm_arch 6; then echo armv6
3675 elif check_arm_arch 6J; then echo armv6j
3676 elif check_arm_arch 6K; then echo armv6k
3677 elif check_arm_arch 6Z; then echo armv6z
3678 elif check_arm_arch 6ZK; then echo armv6zk
3679 elif check_arm_arch 6T2; then echo armv6t2
3680 elif check_arm_arch 7; then echo armv7
3681 elif check_arm_arch 7A 7_A; then echo armv7-a
3682 elif check_arm_arch 7S; then echo armv7-a
3683 elif check_arm_arch 7R 7_R; then echo armv7-r
3684 elif check_arm_arch 7M 7_M; then echo armv7-m
3685 elif check_arm_arch 7EM 7E_M; then echo armv7-m
3686 elif check_arm_arch 8A 8_A; then echo armv8-a
3687 fi
3688 }
3689
3690 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3691
3692 case $cpu in
3693 armv*)
3694 cpuflags="-march=$cpu"
3695 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3696 ;;
3697 *)
3698 cpuflags="-mcpu=$cpu"
3699 case $cpu in
3700 cortex-a*) subarch=armv7a ;;
3701 cortex-r*) subarch=armv7r ;;
3702 cortex-m*) enable thumb; subarch=armv7m ;;
3703 arm11*) subarch=armv6 ;;
3704 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3705 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3706 *) subarch=$(probe_arm_arch) ;;
3707 esac
3708 ;;
3709 esac
3710
3711 case "$subarch" in
3712 armv5t*) enable fast_clz ;;
3713 armv[6-8]*) enable fast_clz fast_unaligned ;;
3714 esac
3715
3716 elif enabled avr32; then
3717
3718 case $cpu in
3719 ap7[02]0[0-2])
3720 subarch="avr32_ap"
3721 cpuflags="-mpart=$cpu"
3722 ;;
3723 ap)
3724 subarch="avr32_ap"
3725 cpuflags="-march=$cpu"
3726 ;;
3727 uc3[ab]*)
3728 subarch="avr32_uc"
3729 cpuflags="-mcpu=$cpu"
3730 ;;
3731 uc)
3732 subarch="avr32_uc"
3733 cpuflags="-march=$cpu"
3734 ;;
3735 esac
3736
3737 elif enabled bfin; then
3738
3739 cpuflags="-mcpu=$cpu"
3740
3741 elif enabled mips; then
3742
3743 cpuflags="-march=$cpu"
3744
3745 elif enabled ppc; then
3746
3747 disable ldbrx
3748
3749 case $(tolower $cpu) in
3750 601|ppc601|powerpc601)
3751 cpuflags="-mcpu=601"
3752 disable altivec
3753 ;;
3754 603*|ppc603*|powerpc603*)
3755 cpuflags="-mcpu=603"
3756 disable altivec
3757 ;;
3758 604*|ppc604*|powerpc604*)
3759 cpuflags="-mcpu=604"
3760 disable altivec
3761 ;;
3762 g3|75*|ppc75*|powerpc75*)
3763 cpuflags="-mcpu=750"
3764 disable altivec
3765 ;;
3766 g4|745*|ppc745*|powerpc745*)
3767 cpuflags="-mcpu=7450"
3768 disable vsx
3769 ;;
3770 74*|ppc74*|powerpc74*)
3771 cpuflags="-mcpu=7400"
3772 disable vsx
3773 ;;
3774 g5|970|ppc970|powerpc970)
3775 cpuflags="-mcpu=970"
3776 disable vsx
3777 ;;
3778 power[3-6]*)
3779 cpuflags="-mcpu=$cpu"
3780 disable vsx
3781 ;;
3782 power[7-8]*)
3783 cpuflags="-mcpu=$cpu"
3784 enable ldbrx
3785 ;;
3786 cell)
3787 cpuflags="-mcpu=cell"
3788 enable ldbrx
3789 disable vsx
3790 ;;
3791 e500mc)
3792 cpuflags="-mcpu=e500mc"
3793 disable altivec
3794 ;;
3795 e500v2)
3796 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3797 disable altivec
3798 disable dcbzl
3799 ;;
3800 e500)
3801 cpuflags="-mcpu=8540 -mhard-float"
3802 disable altivec
3803 disable dcbzl
3804 ;;
3805 esac
3806
3807 elif enabled sparc; then
3808
3809 case $cpu in
3810 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3811 cpuflags="-mcpu=$cpu"
3812 ;;
3813 ultrasparc*|niagara[234])
3814 cpuflags="-mcpu=$cpu"
3815 ;;
3816 esac
3817
3818 elif enabled x86; then
3819
3820 case $cpu in
3821 i[345]86|pentium)
3822 cpuflags="-march=$cpu"
3823 disable i686
3824 disable mmx
3825 ;;
3826 # targets that do NOT support nopl and conditional mov (cmov)
3827 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3828 cpuflags="-march=$cpu"
3829 disable i686
3830 ;;
3831 # targets that do support nopl and conditional mov (cmov)
3832 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3833 cpuflags="-march=$cpu"
3834 enable i686
3835 enable fast_cmov
3836 ;;
3837 # targets that do support conditional mov but on which it's slow
3838 pentium4|pentium4m|prescott|nocona)
3839 cpuflags="-march=$cpu"
3840 enable i686
3841 disable fast_cmov
3842 ;;
3843 esac
3844
3845 fi
3846
3847 if [ "$cpu" != generic ]; then
3848 add_cflags $cpuflags
3849 add_asflags $cpuflags
3850 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
3851 fi
3852
3853 # compiler sanity check
3854 check_exec <<EOF
3855 int main(void){ return 0; }
3856 EOF
3857 if test "$?" != 0; then
3858 echo "$cc is unable to create an executable file."
3859 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3860 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3861 echo "Only do this if you know what cross compiling means."
3862 fi
3863 die "C compiler test failed."
3864 fi
3865
3866 add_cppflags -D_ISOC99_SOURCE
3867
3868 # some compilers silently accept -std=c11, so we also need to check that the
3869 # version macro is defined properly
3870 check_cpp_condition stdlib.h "__STDC_VERSION__ >= 201112L" -std=c11 &&
3871 add_cflags -std=c11 ||
3872 check_cflags -std=c99
3873
3874 check_cppflags -D_FILE_OFFSET_BITS=64
3875 check_cppflags -D_LARGEFILE_SOURCE
3876
3877 add_host_cppflags -D_ISOC99_SOURCE
3878 check_host_cflags -std=c99
3879 check_host_cflags -Wall
3880 check_host_cflags $host_cflags_speed
3881
3882 check_64bit(){
3883 arch32=$1
3884 arch64=$2
3885 expr=$3
3886 check_code cc "" "int test[2*($expr) - 1]" &&
3887 subarch=$arch64 || subarch=$arch32
3888 }
3889
3890 case "$arch" in
3891 aarch64|alpha|ia64)
3892 spic=$shared
3893 ;;
3894 mips)
3895 check_64bit mips mips64 '_MIPS_SIM > 1'
3896 spic=$shared
3897 ;;
3898 parisc)
3899 check_64bit parisc parisc64 'sizeof(void *) > 4'
3900 spic=$shared
3901 ;;
3902 ppc)
3903 check_64bit ppc ppc64 'sizeof(void *) > 4'
3904 spic=$shared
3905 ;;
3906 s390)
3907 check_64bit s390 s390x 'sizeof(void *) > 4'
3908 spic=$shared
3909 ;;
3910 sparc)
3911 check_64bit sparc sparc64 'sizeof(void *) > 4'
3912 spic=$shared
3913 ;;
3914 x86)
3915 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3916 if test "$subarch" = "x86_64"; then
3917 spic=$shared
3918 fi
3919 ;;
3920 esac
3921
3922 enable $subarch
3923 enabled spic && enable_weak pic
3924
3925 enabled x86_64 && objformat=elf64 || objformat="elf32"
3926
3927 # OS specific
3928 case $target_os in
3929 aix)
3930 SHFLAGS=-shared
3931 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3932 enabled shared && add_ldflags -Wl,-brtl
3933 ;;
3934 android)
3935 disable symver
3936 enable section_data_rel_ro
3937 SLIB_INSTALL_NAME='$(SLIBNAME)'
3938 SLIB_INSTALL_LINKS=
3939 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
3940 ;;
3941 haiku)
3942 prefix_default="/boot/common"
3943 network_extralibs="-lnetwork"
3944 host_extralibs=
3945 ;;
3946 sunos)
3947 SHFLAGS='-shared -Wl,-h,$$(@F)'
3948 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3949 network_extralibs="-lsocket -lnsl"
3950 # When using suncc to build, the Solaris linker will mark
3951 # an executable with each instruction set encountered by
3952 # the Solaris assembler. As our libraries contain their own
3953 # guards for processor-specific code, instead suppress
3954 # generation of the HWCAPS ELF section on Solaris x86 only.
3955 enabled_all suncc x86 &&
3956 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3957 add_ldflags -Wl,-M,mapfile
3958 nm_default='nm -P -g'
3959 version_script='-M'
3960 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
3961 ;;
3962 netbsd)
3963 disable symver
3964 oss_indev_extralibs="-lossaudio"
3965 oss_outdev_extralibs="-lossaudio"
3966 ;;
3967 openbsd|bitrig)
3968 disable symver
3969 SHFLAGS='-shared'
3970 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3971 SLIB_INSTALL_LINKS=
3972 oss_indev_extralibs="-lossaudio"
3973 oss_outdev_extralibs="-lossaudio"
3974 ;;
3975 dragonfly)
3976 disable symver
3977 ;;
3978 freebsd)
3979 ;;
3980 bsd/os)
3981 add_extralibs -lpoll -lgnugetopt
3982 ;;
3983 darwin)
3984 enabled ppc && add_asflags -force_cpusubtype_ALL
3985 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3986 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3987 add_ldflags -Wl,-dynamic,-search_paths_first
3988 check_cflags -Werror=partial-availability
3989 SLIBSUF=".dylib"
3990 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
3991 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
3992 enabled x86_64 && objformat="macho64" || objformat="macho32"
3993 enabled_any pic shared ||
3994 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3995 check_header dispatch/dispatch.h &&
3996 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
3997 if test -n "$sysroot"; then
3998 is_in -isysroot $cc $CPPFLAGS $CFLAGS || check_cppflags -isysroot $sysroot
3999 is_in -isysroot $ld $LDFLAGS || check_ldflags -isysroot $sysroot
4000 fi
4001 ;;
4002 msys*)
4003 die "Native MSYS builds are discouraged, please use the MINGW environment."
4004 ;;
4005 mingw32*|mingw64*)
4006 target_os=mingw32
4007 LIBTARGET=i386
4008 if enabled x86_64; then
4009 LIBTARGET="i386:x86-64"
4010 fi
4011 if enabled shared; then
4012 # Cannot build both shared and static libs when using dllexport.
4013 disable static
4014 fi
4015 check_ldflags -Wl,--nxcompat
4016 check_ldflags -Wl,--dynamicbase
4017 shlibdir_default="$bindir_default"
4018 SLIBPREF=""
4019 SLIBSUF=".dll"
4020 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4021 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
4022 SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4023 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4024 SLIB_INSTALL_LINKS=
4025 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4026 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4027 SLIB_CREATE_DEF_CMD='ARCH="$(ARCH)" AR="$(AR_CMD)" NM="$(NM_CMD)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4028 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-auto-image-base $$(@:$(SLIBSUF)=.def)'
4029 enabled x86_64 && objformat="win64" || objformat="win32"
4030 dlltool="${cross_prefix}dlltool"
4031 ranlib=:
4032 enable dos_paths
4033 ;;
4034 win32|win64)
4035 disable symver
4036 if enabled shared; then
4037 # Link to the import library instead of the normal static library
4038 # for shared libs.
4039 LD_LIB='%.lib'
4040 # Cannot build both shared and static libs with MSVC or icl.
4041 disable static
4042 fi
4043 shlibdir_default="$bindir_default"
4044 SLIBPREF=""
4045 SLIBSUF=".dll"
4046 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4047 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
4048 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4049 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4050 SLIB_INSTALL_LINKS=
4051 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4052 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4053 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4054 enabled x86_64 && objformat="win64" || objformat="win32"
4055 ranlib=:
4056 enable dos_paths
4057 ;;
4058 cygwin*)
4059 target_os=cygwin
4060 shlibdir_default="$bindir_default"
4061 SLIBPREF="cyg"
4062 SLIBSUF=".dll"
4063 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4064 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
4065 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4066 SLIB_INSTALL_LINKS=
4067 SLIB_INSTALL_EXTRA_LIB='lib$(NAME).dll.a'
4068 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(NAME).dll.a'
4069 enabled x86_64 && objformat="win64" || objformat="win32"
4070 enable dos_paths
4071 ;;
4072 *-dos|freedos|opendos)
4073 network_extralibs="-lsocket"
4074 objformat="coff"
4075 enable dos_paths
4076 add_cppflags -U__STRICT_ANSI__
4077 ;;
4078 linux)
4079 enable dv1394
4080 enable section_data_rel_ro
4081 ;;
4082 irix*)
4083 target_os=irix
4084 ranlib="echo ignoring ranlib"
4085 ;;
4086 os/2*)
4087 ln_s="cp -f"
4088 objformat="aout"
4089 add_cppflags -D_GNU_SOURCE
4090 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap
4091 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4092 LIBSUF="_s.a"
4093 SLIBPREF=""
4094 SLIBSUF=".dll"
4095 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4096 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4097 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4098 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4099 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4100 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4101 emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'
4102 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4103 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4104 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4105 enable dos_paths
4106 ;;
4107 gnu/kfreebsd)
4108 add_cppflags -D_BSD_SOURCE
4109 ;;
4110 gnu)
4111 ;;
4112 qnx)
4113 add_cppflags -D_QNX_SOURCE
4114 network_extralibs="-lsocket"
4115 ;;
4116 symbian)
4117 SLIBSUF=".dll"
4118 enable dos_paths
4119 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4120 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4121 add_ldflags -Wl,--target1-abs,--no-undefined \
4122 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4123 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4124 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4125 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4126 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4127 ;;
4128 minix)
4129 ;;
4130 none)
4131 ;;
4132 *)
4133 die "Unknown OS '$target_os'."
4134 ;;
4135 esac
4136
4137 # determine libc flavour
4138
4139 probe_libc(){
4140 pfx=$1
4141 pfx_no_=${pfx%_}
4142 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4143 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4144 eval ${pfx}libc_type=uclibc
4145 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4146 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4147 eval ${pfx}libc_type=glibc
4148 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4149 # MinGW headers can be installed on Cygwin, so check for newlib first.
4150 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4151 eval ${pfx}libc_type=newlib
4152 add_${pfx}cppflags -U__STRICT_ANSI__ -D_XOPEN_SOURCE=600
4153 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4154 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4155 eval ${pfx}libc_type=mingw64
4156 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4157 eval test \$${pfx_no_}cc_type = "gcc" &&
4158 add_${pfx}cppflags -D__printf__=__gnu_printf__
4159 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4160 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4161 eval ${pfx}libc_type=mingw32
4162 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4163 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4164 die "ERROR: MinGW32 runtime version must be >= 3.15."
4165 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4166 check_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700" &&
4167 add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700
4168 check_${pfx}cpp_condition windows.h "defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0502" &&
4169 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
4170 eval test \$${pfx_no_}cc_type = "gcc" &&
4171 add_${pfx}cppflags -D__printf__=__gnu_printf__
4172 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4173 eval ${pfx}libc_type=msvcrt
4174 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
4175 if [ "$pfx" = host_ ]; then
4176 add_host_cppflags -Dsnprintf=_snprintf
4177 else
4178 add_compat strtod.o strtod=avpriv_strtod
4179 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4180 _snprintf=avpriv_snprintf \
4181 vsnprintf=avpriv_vsnprintf
4182 fi
4183 fi
4184 add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS
4185 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4186 # 0x601 by default unless something else is set by the user.
4187 # This can easily lead to us detecting functions only present
4188 # in such new versions and producing binaries requiring windows 7.0.
4189 # Therefore explicitly set the default to XP unless the user has
4190 # set something else on the command line.
4191 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
4192 # family. For these cases, configure is free to use any functions
4193 # found in the SDK headers by default. (Alternatively, we could force
4194 # _WIN32_WINNT to 0x0602 in that case.)
4195 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4196 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }
4197 #ifdef WINAPI_FAMILY
4198 #include <winapifamily.h>
4199 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
4200 #error not desktop
4201 #endif
4202 #endif
4203 EOF
4204 if [ "$pfx" = "" ]; then
4205 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
4206 fi
4207 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4208 eval ${pfx}libc_type=klibc
4209 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4210 eval ${pfx}libc_type=bionic
4211 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4212 eval ${pfx}libc_type=solaris
4213 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4214 else
4215 eval ${pfx}libc_type=default
4216 add_${pfx}cppflags -D_DEFAULT_SOURCE
4217 fi
4218 }
4219
4220 probe_libc
4221 test -n "$libc_type" && enable libc_$libc_type
4222 probe_libc host_
4223 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4224
4225 # hacks for compiler/libc/os combinations
4226
4227 case $libc_type in
4228 bionic)
4229 add_compat strtod.o strtod=avpriv_strtod
4230 ;;
4231 glibc)
4232 if enabled tms470; then
4233 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4234 add_cppflags -D__USER_LABEL_PREFIX__=
4235 add_cppflags -D__builtin_memset=memset
4236 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4237 add_cflags -pds=48 # incompatible redefinition of macro
4238 fi
4239 ;;
4240 esac
4241
4242 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4243 add_cppflags '-I\$(SRC_PATH)/compat/float'
4244
4245 esc(){
4246 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4247 }
4248
4249 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" > avbuild/config.fate
4250
4251 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4252
4253 set_default $PATHS_LIST
4254 set_default nm
4255
4256 # we need to build at least one lib type
4257 if ! enabled_any static shared; then
4258 cat <<EOF
4259 At least one library type must be built.
4260 Specify --enable-static to build the static libraries or --enable-shared to
4261 build the shared libraries as well. To only build the shared libraries specify
4262 --disable-static in addition to --enable-shared.
4263 EOF
4264 exit 1
4265 fi
4266
4267 disabled optimizations || check_cflags -fomit-frame-pointer
4268
4269 enable_weak_pic() {
4270 disabled pic && return
4271 enable pic
4272 add_cppflags -DPIC
4273 case "$target_os" in
4274 mingw*|cygwin*)
4275 ;;
4276 *)
4277 add_cflags -fPIC
4278 ;;
4279 esac
4280 add_asflags -fPIC
4281 }
4282
4283 enabled pic && enable_weak_pic
4284
4285 check_cc <<EOF || die "Symbol mangling check failed."
4286 int ff_extern;
4287 EOF
4288 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4289 extern_prefix=${sym%%ff_extern*}
4290
4291 ! disabled inline_asm && check_inline_asm inline_asm '"" ::'
4292
4293 _restrict=
4294 for restrict_keyword in restrict __restrict__ __restrict; do
4295 check_cc <<EOF && _restrict=$restrict_keyword && break
4296 void foo(char * $restrict_keyword p);
4297 EOF
4298 done
4299
4300 check_cc <<EOF && enable pragma_deprecated
4301 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4302 EOF
4303
4304 check_cc <<EOF && enable attribute_packed
4305 struct { int x; } __attribute__((packed)) x;
4306 EOF
4307
4308 check_cc <<EOF && enable attribute_may_alias
4309 union { int x; } __attribute__((may_alias)) x;
4310 EOF
4311
4312 check_cc <<EOF || die "endian test failed"
4313 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4314 EOF
4315 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4316
4317 check_gas() {
4318 log "check_gas using '$as' as AS"
4319 # :vararg is used on aarch64, arm and ppc altivec
4320 check_as <<EOF || return 1
4321 .macro m n, y:vararg=0
4322 \n: .int \y
4323 .endm
4324 m x
4325 EOF
4326 # .altmacro is only used in arm asm
4327 ! enabled arm || check_as <<EOF || return 1
4328 .altmacro
4329 EOF
4330 enable gnu_as
4331 return 0
4332 }
4333
4334 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
4335 nogas=:
4336 enabled_any arm aarch64 && nogas=die
4337 enabled_all ppc altivec && nogas=warn
4338 as_noop=-v
4339
4340 case $as_type in
4341 arm*) gaspp_as_type=armasm; as_noop=-h ;;
4342 gcc) gaspp_as_type=gas ;;
4343 *) gaspp_as_type=$as_type ;;
4344 esac
4345
4346 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
4347
4348 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- $as $as_noop &&
4349 gas="gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- $as"
4350
4351 if ! check_gas ; then
4352 as=${gas:=$as}
4353 check_gas || \
4354 $nogas "GNU assembler not found, install/update gas-preprocessor"
4355 fi
4356
4357 check_as <<EOF && enable as_func
4358 .func test
4359 .endfunc
4360 EOF
4361 fi
4362
4363 check_inline_asm inline_asm_labels '"1:\n"'
4364
4365 if enabled aarch64; then
4366 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
4367 # internal assembler in clang 3.3 does not support this instruction
4368 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
4369 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
4370
4371 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4372
4373 elif enabled alpha; then