hwcontext_d3d11va: add option to enable debug mode
[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-d3d11va Microsoft Direct3D 11 video acceleration [auto]
241 --enable-dxva2 Microsoft DirectX 9 video acceleration [auto]
242 --enable-libmfx Intel MediaSDK (AKA Quick Sync Video)
243 --enable-libnpp Nvidia CUDA processing
244 --enable-mmal Broadcom Multi-Media Abstraction Layer (Raspberry Pi)
245 --enable-nvenc Nvidia video encoding
246 --enable-omx OpenMAX IL
247 --enable-omx-rpi OpenMAX IL for Raspberry Pi
248 --enable-vaapi Video Acceleration API (mainly Unix/Intel)
249 --enable-vda Apple Video Decode Acceleration [auto]
250 --enable-vdpau Nvidia Video Decode and Presentation API for Unix [auto]
251
252 Toolchain options:
253 --arch=ARCH select architecture [$arch]
254 --cpu=CPU select the minimum required CPU (affects
255 instruction selection, may crash on older CPUs)
256 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
257 --enable-cross-compile assume a cross-compiler is used
258 --sysroot=PATH root of cross-build tree
259 --sysinclude=PATH location of cross-build system headers
260 --target-os=OS compiler targets OS [$target_os]
261 --target-exec=CMD command to run executables on target
262 --target-path=DIR path to view of build directory on target
263 --target-samples=DIR path to samples directory on target
264 --toolchain=NAME set tool defaults according to NAME
265 --nm=NM use nm tool
266 --ar=AR use archive tool AR [$ar_default]
267 --as=AS use assembler AS [$as_default]
268 --cc=CC use C compiler CC [$cc_default]
269 --objcc=OCC use ObjC compiler OCC [$cc_default]
270 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
271 --ld=LD use linker LD
272 --x86asmexe=X86ASM use x86 assembler X86ASM
273 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
274 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
275 --host-cc=HOSTCC use host C compiler HOSTCC
276 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
277 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
278 --host-ld=HOSTLD use host linker HOSTLD
279 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
280 --host-libs=HLIBS use libs HLIBS when linking for host
281 --host-os=OS compiler host OS [$target_os]
282 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
283 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
284 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
285 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
286 --extra-ldsoflags=ELDFLAGS add ELDFLAGS to LDSOFLAGS [$LDSOFLAGS]
287 --extra-libs=ELIBS add ELIBS [$ELIBS]
288 --extra-version=STRING version string suffix []
289 --optflags=OPTFLAGS override optimization-related compiler flags
290 --enable-pic build position-independent code
291 --enable-thumb compile for Thumb instruction set
292 --enable-lto use link-time optimization
293 --env="ENV=override" override the environment variables
294
295 Advanced options (experts only):
296 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
297 --custom-allocator=NAME use a supported custom allocator
298 --disable-symver disable symbol versioning
299 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
300 --disable-safe-bitstream-reader
301 disable buffer boundary checking in bitreaders
302 (faster, but may crash)
303 --enable-sram allow use of on-chip SRAM
304
305 Optimization options (experts only):
306 --disable-asm disable all assembly optimizations
307 --disable-altivec disable AltiVec optimizations
308 --disable-vsx disable VSX optimizations
309 --disable-power8 disable POWER8 optimizations
310 --disable-amd3dnow disable 3DNow! optimizations
311 --disable-amd3dnowext disable 3DNow! extended optimizations
312 --disable-mmx disable MMX optimizations
313 --disable-mmxext disable MMXEXT optimizations
314 --disable-sse disable SSE optimizations
315 --disable-sse2 disable SSE2 optimizations
316 --disable-sse3 disable SSE3 optimizations
317 --disable-ssse3 disable SSSE3 optimizations
318 --disable-sse4 disable SSE4 optimizations
319 --disable-sse42 disable SSE4.2 optimizations
320 --disable-avx disable AVX optimizations
321 --disable-xop disable XOP optimizations
322 --disable-fma3 disable FMA3 optimizations
323 --disable-fma4 disable FMA4 optimizations
324 --disable-avx2 disable AVX2 optimizations
325 --disable-armv5te disable armv5te optimizations
326 --disable-armv6 disable armv6 optimizations
327 --disable-armv6t2 disable armv6t2 optimizations
328 --disable-vfp disable VFP optimizations
329 --disable-neon disable NEON optimizations
330 --disable-inline-asm disable use of inline assembly
331 --disable-x86asm disable use of standalone x86 assembly
332
333 Developer options (useful when working on Libav itself):
334 --disable-debug disable debugging symbols
335 --enable-debug=LEVEL set the debug level [$debuglevel]
336 --disable-optimizations disable compiler optimizations
337 --enable-extra-warnings enable more compiler warnings
338 --samples=PATH location of test samples for FATE, if not set use
339 \$LIBAV_SAMPLES at make invocation time.
340 --enable-neon-clobber-test check NEON registers for clobbering (should be
341 used only for debugging purposes)
342 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
343 should be used only for debugging purposes)
344 --enable-random randomly enable/disable components
345 --disable-random
346 --enable-random=LIST randomly enable/disable specific components or
347 --disable-random=LIST component groups. LIST is a comma-separated list
348 of NAME[:PROB] entries where NAME is a component
349 (group) and PROB the probability associated with
350 NAME (default 0.5).
351 --random-seed=VALUE seed value for --enable/disable-random
352 --disable-valgrind-backtrace do not print a backtrace under Valgrind
353 (only applies to --disable-optimizations builds)
354 --ignore-tests=TESTS comma-separated list (without "fate-" prefix
355 in the name) of tests whose result is ignored
356
357 NOTE: Object files are built at the place where configure is launched.
358 EOF
359 exit 0
360 }
361
362 quotes='""'
363
364 log(){
365 echo "$@" >> $logfile
366 }
367
368 log_file(){
369 log BEGIN $1
370 i=1
371 while read line; do
372 printf '%5s %s\n' "${i}" "${line}"
373 i=$(($i+1))
374 done < $1 >> $logfile
375 log END $1
376 }
377
378 echolog(){
379 log "$@"
380 echo "$@"
381 }
382
383 warn(){
384 log "WARNING: $*"
385 WARNINGS="${WARNINGS}WARNING: $*\n"
386 }
387
388 die(){
389 echolog "$@"
390 cat <<EOF
391
392 If you think configure made a mistake, make sure you are using the latest
393 version from Git. If the latest version fails, report the problem to the
394 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
395 EOF
396 if disabled logging; then
397 cat <<EOF
398 Rerun configure with logging enabled (do not use --disable-logging), and
399 include the log this produces with your report.
400 EOF
401 else
402 cat <<EOF
403 Include the log file "$logfile" produced by configure as this will help
404 solving the problem.
405 EOF
406 fi
407 exit 1
408 }
409
410 # Avoid locale weirdness, besides we really just want to translate ASCII.
411 toupper(){
412 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
413 }
414
415 tolower(){
416 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
417 }
418
419 c_escape(){
420 echo "$*" | sed 's/["\\]/\\\0/g'
421 }
422
423 sh_quote(){
424 v=$(echo "$1" | sed "s/'/'\\\\''/g")
425 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
426 echo "$v"
427 }
428
429 cleanws(){
430 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
431 }
432
433 filter(){
434 pat=$1
435 shift
436 for v; do
437 eval "case '$v' in $pat) printf '%s ' '$v' ;; esac"
438 done
439 }
440
441 filter_out(){
442 pat=$1
443 shift
444 for v; do
445 eval "case '$v' in $pat) ;; *) printf '%s ' '$v' ;; esac"
446 done
447 }
448
449 map(){
450 m=$1
451 shift
452 for v; do eval $m; done
453 }
454
455 add_suffix(){
456 suffix=$1
457 shift
458 for v; do echo ${v}${suffix}; done
459 }
460
461 set_all(){
462 value=$1
463 shift
464 for var in $*; do
465 eval $var=$value
466 done
467 }
468
469 set_weak(){
470 value=$1
471 shift
472 for var; do
473 eval : \${$var:=$value}
474 done
475 }
476
477 sanitize_var_name(){
478 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
479 }
480
481 set_sanitized(){
482 var=$1
483 shift
484 eval $(sanitize_var_name "$var")='$*'
485 }
486
487 get_sanitized(){
488 eval echo \$$(sanitize_var_name "$1")
489 }
490
491 pushvar(){
492 for pvar in $*; do
493 eval level=\${${pvar}_level:=0}
494 eval ${pvar}_${level}="\$$pvar"
495 eval ${pvar}_level=$(($level+1))
496 done
497 }
498
499 popvar(){
500 for pvar in $*; do
501 eval level=\${${pvar}_level:-0}
502 test $level = 0 && continue
503 eval level=$(($level-1))
504 eval $pvar="\${${pvar}_${level}}"
505 eval ${pvar}_level=$level
506 eval unset ${pvar}_${level}
507 done
508 }
509
510 enable(){
511 set_all yes $*
512 }
513
514 disable(){
515 set_all no $*
516 }
517
518 enable_weak(){
519 set_weak yes $*
520 }
521
522 disable_weak(){
523 set_weak no $*
524 }
525
526 enable_sanitized(){
527 for var; do
528 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
529 done
530 }
531
532 disable_sanitized(){
533 for var; do
534 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
535 done
536 }
537
538 do_enable_deep(){
539 for var; do
540 enabled $var && continue
541 eval sel="\$${var}_select"
542 eval sgs="\$${var}_suggest"
543 pushvar var sgs
544 enable_deep $sel
545 popvar sgs
546 enable_deep_weak $sgs
547 popvar var
548 done
549 }
550
551 enable_deep(){
552 do_enable_deep $*
553 enable $*
554 }
555
556 enable_deep_weak(){
557 for var; do
558 disabled $var && continue
559 pushvar var
560 do_enable_deep $var
561 popvar var
562 enable_weak $var
563 done
564 }
565
566 enabled(){
567 test "${1#!}" = "$1" && op== || op=!=
568 eval test "x\$${1#!}" $op "xyes"
569 }
570
571 disabled(){
572 test "${1#!}" = "$1" && op== || op=!=
573 eval test "x\$${1#!}" $op "xno"
574 }
575
576 enabled_all(){
577 for opt; do
578 enabled $opt || return 1
579 done
580 }
581
582 disabled_all(){
583 for opt; do
584 disabled $opt || return 1
585 done
586 }
587
588 enabled_any(){
589 for opt; do
590 enabled $opt && return 0
591 done
592 }
593
594 disabled_any(){
595 for opt; do
596 disabled $opt && return 0
597 done
598 return 1
599 }
600
601 set_default(){
602 for opt; do
603 eval : \${$opt:=\$${opt}_default}
604 done
605 }
606
607 is_in(){
608 value=$1
609 shift
610 for var in $*; do
611 [ $var = $value ] && return 0
612 done
613 return 1
614 }
615
616 check_deps(){
617 for cfg; do
618 enabled ${cfg}_checking && die "Circular dependency for $cfg."
619 disabled ${cfg}_checking && continue
620 enable ${cfg}_checking
621
622 eval dep_all="\$${cfg}_deps"
623 eval dep_any="\$${cfg}_deps_any"
624 eval dep_con="\$${cfg}_conflict"
625 eval dep_sel="\$${cfg}_select"
626 eval dep_sgs="\$${cfg}_suggest"
627 eval dep_ifa="\$${cfg}_if"
628 eval dep_ifn="\$${cfg}_if_any"
629
630 pushvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
631 check_deps $dep_all $dep_any $dep_con $dep_sel $dep_sgs $dep_ifa $dep_ifn
632 popvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
633
634 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
635 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
636 enabled_all $dep_all || disable $cfg
637 enabled_any $dep_any || disable $cfg
638 disabled_all $dep_con || disable $cfg
639 disabled_any $dep_sel && disable $cfg
640
641 enabled $cfg && enable_deep_weak $dep_sel $dep_sgs
642
643 for dep in $dep_all $dep_any $dep_sel $dep_sgs; do
644 # filter out library deps, these do not belong in extralibs
645 is_in $dep $LIBRARY_LIST && continue
646 enabled $dep && eval append ${cfg}_extralibs ${dep}_extralibs
647 done
648
649 disable ${cfg}_checking
650 done
651 }
652
653 print_config(){
654 pfx=$1
655 files=$2
656 shift 2
657 map 'eval echo "$v \${$v:-no}"' "$@" |
658 awk "BEGIN { split(\"$files\", files) }
659 {
660 c = \"$pfx\" toupper(\$1);
661 v = \$2;
662 sub(/yes/, 1, v);
663 sub(/no/, 0, v);
664 for (f in files) {
665 file = files[f];
666 if (file ~ /\\.h\$/) {
667 printf(\"#define %s %d\\n\", c, v) >>file;
668 } else if (file ~ /\\.asm\$/) {
669 printf(\"%%define %s %d\\n\", c, v) >>file;
670 } else if (file ~ /\\.mak\$/) {
671 n = -v ? \"\" : \"!\";
672 printf(\"%s%s=yes\\n\", n, c) >>file;
673 }
674 }
675 }"
676 }
677
678 print_enabled(){
679 suf=$1
680 shift
681 for v; do
682 enabled $v && printf "%s\n" ${v%$suf}
683 done
684 }
685
686 append(){
687 var=$1
688 shift
689 eval "$var=\"\$$var $*\""
690 }
691
692 prepend(){
693 var=$1
694 shift
695 eval "$var=\"$* \$$var\""
696 }
697
698 unique(){
699 var=$1
700 uniq_list=""
701 for tok in $(eval echo \$$var); do
702 uniq_list="$(filter_out $tok $uniq_list) $tok"
703 done
704 eval "$var=\"${uniq_list}\""
705 }
706
707 resolve(){
708 var=$1
709 tmpvar=
710 for entry in $(eval echo \$$var); do
711 tmpvar="$tmpvar $(eval echo \$${entry})"
712 done
713 eval "$var=\"${tmpvar}\""
714 }
715
716 add_cppflags(){
717 append CPPFLAGS "$@"
718 }
719
720 add_cflags(){
721 append CFLAGS $($cflags_filter "$@")
722 }
723
724 add_cflags_headers(){
725 append CFLAGS_HEADERS $($cflags_filter "$@")
726 }
727
728 add_asflags(){
729 append ASFLAGS $($asflags_filter "$@")
730 }
731
732 add_objcflags(){
733 append OBJCFLAGS $($objcflags_filter "$@")
734 }
735
736 add_ldflags(){
737 append LDFLAGS $($ldflags_filter "$@")
738 }
739
740 add_ldexeflags(){
741 append LDEXEFLAGS $($ldflags_filter "$@")
742 }
743
744 add_ldsoflags(){
745 append LDSOFLAGS $($ldflags_filter "$@")
746 }
747
748 add_stripflags(){
749 append STRIPFLAGS "$@"
750 }
751
752 add_extralibs(){
753 prepend extralibs $($ldflags_filter "$@")
754 }
755
756 add_host_cppflags(){
757 append host_cppflags "$@"
758 }
759
760 add_host_cflags(){
761 append host_cflags $($host_cflags_filter "$@")
762 }
763
764 add_host_ldflags(){
765 append host_ldflags $($host_ldflags_filter "$@")
766 }
767
768 add_compat(){
769 append compat_objs $1
770 shift
771 map 'add_cppflags -D$v' "$@"
772 }
773
774 check_cmd(){
775 log "$@"
776 "$@" >> $logfile 2>&1
777 }
778
779 cc_o(){
780 eval printf '%s\\n' $CC_O
781 }
782
783 cc_e(){
784 eval printf '%s\\n' $CC_E
785 }
786
787 check_cc(){
788 log check_cc "$@"
789 cat > $TMPC
790 log_file $TMPC
791 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
792 }
793
794 check_objcc(){
795 log check_objcc "$@"
796 cat > $TMPC
797 log_file $TMPC
798 check_cmd $objcc $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPC
799 }
800
801 check_cpp(){
802 log check_cpp "$@"
803 cat > $TMPC
804 log_file $TMPC
805 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
806 }
807
808 as_o(){
809 eval printf '%s\\n' $AS_O
810 }
811
812 check_as(){
813 log check_as "$@"
814 cat > $TMPS
815 log_file $TMPS
816 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
817 }
818
819 check_inline_asm(){
820 log check_inline_asm "$@"
821 name="$1"
822 code="$2"
823 shift 2
824 disable $name
825 check_cc "$@" <<EOF && enable $name
826 void foo(void){ __asm__ volatile($code); }
827 EOF
828 }
829
830 check_insn(){
831 log check_insn "$@"
832 check_inline_asm ${1}_inline "\"$2\""
833 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
834 }
835
836 check_x86asm(){
837 log check_x86asm "$@"
838 echo "$1" > $TMPS
839 log_file $TMPS
840 shift 1
841 check_cmd $x86asmexe $X86ASMFLAGS "$@" -o $TMPO $TMPS
842 }
843
844 ld_o(){
845 eval printf '%s\\n' $LD_O
846 }
847
848 check_ld(){
849 log check_ld "$@"
850 flags=$(filter_out '-l*' "$@")
851 libs=$(filter '-l*' "$@")
852 check_cc $($cflags_filter $flags) || return
853 flags=$($ldflags_filter $flags)
854 libs=$($ldflags_filter $libs)
855 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
856 }
857
858 print_include(){
859 hdr=$1
860 test "${hdr%.h}" = "${hdr}" &&
861 echo "#include $hdr" ||
862 echo "#include <$hdr>"
863 }
864
865 check_code(){
866 log check_code "$@"
867 check=$1
868 headers=$2
869 code=$3
870 shift 3
871 {
872 for hdr in $headers; do
873 print_include $hdr
874 done
875 echo "int main(void) { $code; return 0; }"
876 } | check_$check "$@"
877 }
878
879 check_cppflags(){
880 log check_cppflags "$@"
881 check_cpp "$@" <<EOF && append CPPFLAGS "$@"
882 #include <stdlib.h>;
883 EOF
884 }
885
886 test_cflags(){
887 log test_cflags "$@"
888 set -- $($cflags_filter "$@")
889 check_cc "$@" <<EOF
890 int x;
891 EOF
892 }
893
894 check_cflags(){
895 log check_cflags "$@"
896 test_cflags "$@" && add_cflags "$@"
897 }
898
899 test_objcflags(){
900 log test_objcflags "$@"
901 set -- $($objcflags_filter "$@")
902 check_objcc "$@" <<EOF
903 int x;
904 EOF
905 }
906
907 check_objcflags(){
908 log check_objcflags "$@"
909 test_objcflags "$@" && add_objcflags "$@"
910 }
911
912 test_ldflags(){
913 log test_ldflags "$@"
914 check_ld "$@" <<EOF
915 int main(void){ return 0; }
916 EOF
917 }
918
919 check_ldflags(){
920 log check_ldflags "$@"
921 test_ldflags "$@" && add_ldflags "$@"
922 }
923
924 test_stripflags(){
925 log test_stripflags "$@"
926 # call check_cc to get a fresh TMPO
927 check_cc <<EOF
928 int main(void) { return 0; }
929 EOF
930 check_cmd $strip $STRIPFLAGS "$@" $TMPO
931 }
932
933 check_stripflags(){
934 log check_stripflags "$@"
935 test_stripflags "$@" && add_stripflags "$@"
936 }
937
938 check_header(){
939 log check_header "$@"
940 header=$1
941 shift
942 disable_sanitized $header
943 check_cpp "$@" <<EOF && enable_sanitized $header
944 #include <$header>
945 int x;
946 EOF
947 }
948
949 check_func(){
950 log check_func "$@"
951 func=$1
952 shift
953 disable $func
954 check_ld "$@" <<EOF && enable $func
955 extern int $func();
956 int main(void){ $func(); }
957 EOF
958 }
959
960 check_mathfunc(){
961 log check_mathfunc "$@"
962 func=$1
963 narg=$2
964 shift 2
965 test $narg = 2 && args="f, g" || args="f"
966 disable $func
967 check_ld "$@" <<EOF && enable $func
968 #include <math.h>
969 float foo(float f, float g) { return $func($args); }
970 int main(void){ return 0; }
971 EOF
972 }
973
974 check_func_headers(){
975 log check_func_headers "$@"
976 headers=$1
977 funcs=$2
978 shift 2
979 {
980 for hdr in $headers; do
981 print_include $hdr
982 done
983 for func in $funcs; do
984 echo "long check_$func(void) { return (long) $func; }"
985 done
986 echo "int main(void) { return 0; }"
987 } | check_ld "$@" && enable $funcs && enable_sanitized $headers
988 }
989
990 check_cpp_condition(){
991 log check_cpp_condition "$@"
992 header=$1
993 condition=$2
994 shift 2
995 check_cpp "$@" <<EOF
996 #include <$header>
997 #if !($condition)
998 #error "unsatisfied condition: $condition"
999 #endif
1000 EOF
1001 }
1002
1003 test_cflags_cpp(){
1004 log test_cflags_cpp "$@"
1005 flags=$1
1006 condition=$2
1007 shift 2
1008 set -- $($cflags_filter "$flags")
1009 check_cpp "$@" <<EOF
1010 #if !($condition)
1011 #error "unsatisfied condition: $condition"
1012 #endif
1013 EOF
1014 }
1015
1016 check_lib(){
1017 log check_lib "$@"
1018 name="$1"
1019 headers="$2"
1020 funcs="$3"
1021 shift 3
1022 disable $name
1023 check_func_headers "$headers" "$funcs" "$@" &&
1024 enable $name && eval ${name}_extralibs="\$@"
1025 }
1026
1027 check_pkg_config(){
1028 log check_pkg_config "$@"
1029 name="$1"
1030 pkg_version="$2"
1031 pkg="${2%% *}"
1032 headers="$3"
1033 funcs="$4"
1034 shift 4
1035 disable $name
1036 check_cmd $pkg_config --exists --print-errors $pkg_version || return
1037 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1038 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1039 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1040 enable $name &&
1041 add_cflags "$pkg_cflags" &&
1042 eval $(sanitize_var_name ${name}_extralibs)="\$pkg_libs"
1043 }
1044
1045 check_exec(){
1046 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1047 }
1048
1049 check_exec_crash(){
1050 log check_exec_crash "$@"
1051 code=$(cat)
1052
1053 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1054 # are safe but may not be available everywhere. Thus we use
1055 # raise(SIGTERM) instead. The check is run in a subshell so we
1056 # can redirect the "Terminated" message from the shell. SIGBUS
1057 # is not defined by standard C so it is used conditionally.
1058
1059 (check_exec "$@") >> $logfile 2>&1 <<EOF
1060 #include <signal.h>
1061 static void sighandler(int sig){
1062 raise(SIGTERM);
1063 }
1064 int foo(void){
1065 $code
1066 }
1067 int (*func_ptr)(void) = foo;
1068 int main(void){
1069 signal(SIGILL, sighandler);
1070 signal(SIGFPE, sighandler);
1071 signal(SIGSEGV, sighandler);
1072 #ifdef SIGBUS
1073 signal(SIGBUS, sighandler);
1074 #endif
1075 return func_ptr();
1076 }
1077 EOF
1078 }
1079
1080 check_type(){
1081 log check_type "$@"
1082 headers=$1
1083 type=$2
1084 shift 2
1085 disable_sanitized "$type"
1086 check_code cc "$headers" "$type v" "$@" && enable_sanitized "$type"
1087 }
1088
1089 check_struct(){
1090 log check_struct "$@"
1091 headers=$1
1092 struct=$2
1093 member=$3
1094 shift 3
1095 disable_sanitized "${struct}_${member}"
1096 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1097 enable_sanitized "${struct}_${member}"
1098 }
1099
1100 check_builtin(){
1101 log check_builtin "$@"
1102 name=$1
1103 headers=$2
1104 builtin=$3
1105 shift 3
1106 disable "$name"
1107 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1108 }
1109
1110 check_compile_assert(){
1111 log check_compile_assert "$@"
1112 name=$1
1113 headers=$2
1114 condition=$3
1115 shift 3
1116 disable "$name"
1117 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1118 }
1119
1120 require(){
1121 log require "$@"
1122 name_version="$1"
1123 name="${1%% *}"
1124 headers="$2"
1125 func="$3"
1126 shift 3
1127 check_lib $name "$headers" $func "$@" || die "ERROR: $name_version not found"
1128 }
1129
1130 require_header(){
1131 log require "$@"
1132 header="$1"
1133 shift
1134 check_header "$header" "$@" || die "ERROR: $header not found"
1135 }
1136
1137 require_cpp_condition(){
1138 log require "$@"
1139 header="$1"
1140 condition="$2"
1141 shift 2
1142 check_cpp_condition "$header" "$condition" "$@" || die "ERROR: $condition not satisfied"
1143 }
1144
1145 require_pkg_config(){
1146 log require_pkg_config "$@"
1147 pkg_version="$2"
1148 check_pkg_config "$@" || die "ERROR: $pkg_version not found"
1149 }
1150
1151 hostcc_e(){
1152 eval printf '%s\\n' $HOSTCC_E
1153 }
1154
1155 hostcc_o(){
1156 eval printf '%s\\n' $HOSTCC_O
1157 }
1158
1159 check_host_cc(){
1160 log check_host_cc "$@"
1161 cat > $TMPC
1162 log_file $TMPC
1163 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1164 }
1165
1166 check_host_cpp(){
1167 log check_host_cpp "$@"
1168 cat > $TMPC
1169 log_file $TMPC
1170 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1171 }
1172
1173 check_host_cppflags(){
1174 log check_host_cppflags "$@"
1175 check_host_cpp "$@" <<EOF && append host_cppflags "$@"
1176 #include <stdlib.h>;
1177 EOF
1178 }
1179
1180 check_host_cflags(){
1181 log check_host_cflags "$@"
1182 set -- $($host_cflags_filter "$@")
1183 check_host_cc "$@" <<EOF && append host_cflags "$@"
1184 int x;
1185 EOF
1186 }
1187
1188 check_host_cpp_condition(){
1189 log check_host_cpp_condition "$@"
1190 header=$1
1191 condition=$2
1192 shift 2
1193 check_host_cpp "$@" <<EOF
1194 #include <$header>
1195 #if !($condition)
1196 #error "unsatisfied condition: $condition"
1197 #endif
1198 EOF
1199 }
1200
1201 apply(){
1202 file=$1
1203 shift
1204 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1205 }
1206
1207 cp_if_changed(){
1208 cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1209 mkdir -p "$(dirname $2)"
1210 cp -f "$1" "$2"
1211 }
1212
1213 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1214 # system-dependent things.
1215
1216 AVCODEC_COMPONENTS="
1217 bsfs
1218 decoders
1219 encoders
1220 hwaccels
1221 parsers
1222 "
1223
1224 AVDEVICE_COMPONENTS="
1225 indevs
1226 outdevs
1227 "
1228 AVFILTER_COMPONENTS="
1229 filters
1230 "
1231 AVFORMAT_COMPONENTS="
1232 demuxers
1233 muxers
1234 protocols
1235 "
1236
1237 AVRESAMPLE_COMPONENTS=""
1238 AVUTIL_COMPONENTS=""
1239
1240 COMPONENT_LIST="
1241 $AVCODEC_COMPONENTS
1242 $AVDEVICE_COMPONENTS
1243 $AVFILTER_COMPONENTS
1244 $AVFORMAT_COMPONENTS
1245 $AVRESAMPLE_COMPONENTS
1246 $AVUTIL_COMPONENTS
1247 "
1248
1249 EXAMPLE_LIST="
1250 decode_audio_example
1251 decode_video_example
1252 encode_audio_example
1253 encode_video_example
1254 filter_audio_example
1255 metadata_example
1256 output_example
1257 qsvdec_example
1258 transcode_aac_example
1259 "
1260
1261 # catchall list of things that require external libs to link
1262 EXTRALIBS_LIST="
1263 cpu_init
1264 cws2fws
1265 "
1266
1267 HWACCEL_LIBRARY_NONFREE_LIST="
1268 cuda
1269 libnpp
1270 "
1271 HWACCEL_LIBRARY_LIST="
1272 $HWACCEL_LIBRARY_NONFREE_LIST
1273 d3d11va
1274 dxva2
1275 libmfx
1276 mmal
1277 nvenc
1278 omx
1279 vaapi
1280 vda
1281 vdpau
1282 "
1283
1284 EXTERNAL_LIBRARY_GPL_LIST="
1285 libcdio
1286 libx264
1287 libx265
1288 libxavs
1289 libxvid
1290 "
1291
1292 EXTERNAL_LIBRARY_NONFREE_LIST="
1293 libfaac
1294 libfdk_aac
1295 openssl
1296 "
1297
1298 EXTERNAL_LIBRARY_VERSION3_LIST="
1299 libopencore_amrnb
1300 libopencore_amrwb
1301 libvo_aacenc
1302 libvo_amrwbenc
1303 "
1304
1305 EXTERNAL_LIBRARY_LIST="
1306 $EXTERNAL_LIBRARY_GPL_LIST
1307 $EXTERNAL_LIBRARY_NONFREE_LIST
1308 $EXTERNAL_LIBRARY_VERSION3_LIST
1309 avisynth
1310 avxsynth
1311 frei0r
1312 gnutls
1313 libbs2b
1314 libdc1394
1315 libdcadec
1316 libfontconfig
1317 libfreetype
1318 libgsm
1319 libhdcd
1320 libilbc
1321 libjack
1322 libkvazaar
1323 libmp3lame
1324 libopencv
1325 libopenh264
1326 libopenjpeg
1327 libopus
1328 libpulse
1329 librtmp
1330 libschroedinger
1331 libsnappy
1332 libspeex
1333 libtheora
1334 libtwolame
1335 libvorbis
1336 libvpx
1337 libwavpack
1338 libwebp
1339 libxcb
1340 libxcb_shm
1341 libxcb_xfixes
1342 "
1343
1344 SYSTEM_LIBRARY_LIST="
1345 bzlib
1346 zlib
1347 "
1348
1349 FEATURE_LIST="
1350 gray
1351 hardcoded_tables
1352 omx_rpi
1353 runtime_cpudetect
1354 safe_bitstream_reader
1355 shared
1356 small
1357 sram
1358 static
1359 swscale_alpha
1360 "
1361
1362 LIBRARY_LIST="
1363 avcodec
1364 avdevice
1365 avfilter
1366 avformat
1367 avresample
1368 avutil
1369 swscale
1370 "
1371
1372 LICENSE_LIST="
1373 gpl
1374 nonfree
1375 version3
1376 "
1377
1378 PROGRAM_LIST="
1379 avconv
1380 avplay
1381 avprobe
1382 "
1383
1384 SUBSYSTEM_LIST="
1385 dct
1386 doc
1387 error_resilience
1388 faan
1389 fft
1390 lsp
1391 lzo
1392 mdct
1393 network
1394 rdft
1395 "
1396
1397 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1398 CONFIG_LIST="
1399 $EXAMPLE_LIST
1400 $EXTERNAL_LIBRARY_LIST
1401 $HWACCEL_LIBRARY_LIST
1402 $FEATURE_LIST
1403 $LICENSE_LIST
1404 $LIBRARY_LIST
1405 $PROGRAM_LIST
1406 $SUBSYSTEM_LIST
1407 $SYSTEM_LIBRARY_LIST
1408 neon_clobber_test
1409 pic
1410 pod2man
1411 texi2html
1412 thumb
1413 valgrind_backtrace
1414 xmm_clobber_test
1415 $COMPONENT_LIST
1416 "
1417
1418 THREADS_LIST="
1419 pthreads
1420 w32threads
1421 "
1422
1423 ATOMICS_LIST="
1424 atomics_gcc
1425 atomics_suncc
1426 atomics_win32
1427 "
1428
1429 ARCH_LIST="
1430 aarch64
1431 alpha
1432 arm
1433 avr32
1434 avr32_ap
1435 avr32_uc
1436 bfin
1437 ia64
1438 m68k
1439 mips
1440 mips64
1441 parisc
1442 ppc
1443 ppc64
1444 s390
1445 sh4
1446 sparc
1447 sparc64
1448 tilegx
1449 tilepro
1450 tomi
1451 x86
1452 x86_32
1453 x86_64
1454 "
1455
1456 ARCH_EXT_LIST_ARM="
1457 armv5te
1458 armv6
1459 armv6t2
1460 armv8
1461 neon
1462 vfp
1463 vfpv3
1464 "
1465
1466 ARCH_EXT_LIST_X86_SIMD="
1467 amd3dnow
1468 amd3dnowext
1469 avx
1470 avx2
1471 fma3
1472 fma4
1473 mmx
1474 mmxext
1475 sse
1476 sse2
1477 sse3
1478 sse4
1479 sse42
1480 ssse3
1481 xop
1482 "
1483
1484 ARCH_EXT_LIST_PPC="
1485 altivec
1486 dcbzl
1487 ldbrx
1488 power8
1489 ppc4xx
1490 vsx
1491 "
1492
1493 ARCH_EXT_LIST_X86="
1494 $ARCH_EXT_LIST_X86_SIMD
1495 cpunop
1496 i686
1497 "
1498
1499 ARCH_EXT_LIST_MIPS="
1500 loongson
1501 mips32r1
1502 mips64r1
1503 mips32r2
1504 mips64r2
1505 mips32r6
1506 mips64r6
1507 "
1508
1509 ARCH_EXT_LIST="
1510 $ARCH_EXT_LIST_ARM
1511 $ARCH_EXT_LIST_MIPS
1512 $ARCH_EXT_LIST_PPC
1513 $ARCH_EXT_LIST_X86
1514 vis
1515 "
1516
1517 ARCH_FEATURES="
1518 aligned_stack
1519 fast_64bit
1520 fast_clz
1521 fast_cmov
1522 local_aligned_8
1523 local_aligned_16
1524 local_aligned_32
1525 simd_align_16
1526 simd_align_32
1527 "
1528
1529 BUILTIN_LIST="
1530 atomic_cas_ptr
1531 machine_rw_barrier
1532 MemoryBarrier
1533 mm_empty
1534 rdtsc
1535 sem_timedwait
1536 sync_val_compare_and_swap
1537 "
1538 HAVE_LIST_CMDLINE="
1539 inline_asm
1540 symver
1541 x86asm
1542 "
1543
1544 HAVE_LIST_PUB="
1545 bigendian
1546 fast_unaligned
1547 "
1548
1549 HEADERS_LIST="
1550 AVFoundation_AVFoundation_h
1551 alsa_asoundlib_h
1552 arpa_inet_h
1553 cdio_paranoia_h
1554 cdio_paranoia_paranoia_h
1555 d3d11_h
1556 dispatch_dispatch_h
1557 dev_bktr_ioctl_bt848_h
1558 dev_bktr_ioctl_meteor_h
1559 dev_ic_bt8xx_h
1560 dev_video_bktr_ioctl_bt848_h
1561 dev_video_meteor_ioctl_meteor_h
1562 direct_h
1563 dlfcn_h
1564 dxgidebug_h
1565 dxva_h
1566 gsm_h
1567 io_h
1568 mach_mach_time_h
1569 machine_ioctl_bt848_h
1570 machine_ioctl_meteor_h
1571 malloc_h
1572 poll_h
1573 sndio_h
1574 soundcard_h
1575 stdatomic_h
1576 sys_mman_h
1577 sys_param_h
1578 sys_resource_h
1579 sys_select_h
1580 sys_soundcard_h
1581 sys_time_h
1582 sys_un_h
1583 sys_videoio_h
1584 unistd_h
1585 valgrind_valgrind_h
1586 windows_h
1587 winsock2_h
1588 "
1589
1590 INTRINSICS_LIST="
1591 intrinsics_neon
1592 "
1593
1594 MATH_FUNCS="
1595 atanf
1596 atan2f
1597 cbrtf
1598 cosf
1599 exp2
1600 exp2f
1601 expf
1602 isinf
1603 isnan
1604 ldexpf
1605 llrint
1606 llrintf
1607 log2
1608 log2f
1609 log10f
1610 lrint
1611 lrintf
1612 powf
1613 rint
1614 round
1615 roundf
1616 sinf
1617 trunc
1618 truncf
1619 "
1620
1621 SYSTEM_FUNCS="
1622 aligned_malloc
1623 clock_gettime
1624 closesocket
1625 CommandLineToArgvW
1626 CoTaskMemFree
1627 CryptGenRandom
1628 fcntl
1629 flt_lim
1630 fork
1631 getaddrinfo
1632 gethrtime
1633 getopt
1634 GetProcessAffinityMask
1635 GetProcessMemoryInfo
1636 GetProcessTimes
1637 getrusage
1638 GetSystemTimeAsFileTime
1639 gettimeofday
1640 gmtime_r
1641 inet_aton
1642 isatty
1643 LoadLibrary
1644 localtime_r
1645 mach_absolute_time
1646 MapViewOfFile
1647 memalign
1648 mkstemp
1649 mmap
1650 mprotect
1651 nanosleep
1652 posix_memalign
1653 sched_getaffinity
1654 SetConsoleTextAttribute
1655 setmode
1656 setrlimit
1657 Sleep
1658 strerror_r
1659 sysconf
1660 sysctl
1661 usleep
1662 VirtualAlloc
1663 "
1664
1665 TOOLCHAIN_FEATURES="
1666 as_arch_directive
1667 as_fpu_directive
1668 as_func
1669 as_object_arch
1670 asm_mod_q
1671 attribute_may_alias
1672 attribute_packed
1673 blocks_extension
1674 ebp_available
1675 ebx_available
1676 gnu_as
1677 ibm_asm
1678 inline_asm_labels
1679 pragma_deprecated
1680 symver_asm_label
1681 symver_gnu_asm
1682 vfp_args
1683 xform_asm
1684 xmm_clobbers
1685 "
1686
1687 TYPES_LIST="
1688 CONDITION_VARIABLE_Ptr
1689 socklen_t
1690 struct_addrinfo
1691 struct_group_source_req
1692 struct_ip_mreq_source
1693 struct_ipv6_mreq
1694 struct_pollfd
1695 struct_rusage_ru_maxrss
1696 struct_sockaddr_in6
1697 struct_sockaddr_sa_len
1698 struct_sockaddr_storage
1699 struct_v4l2_frmivalenum_discrete
1700 "
1701
1702 HAVE_LIST="
1703 $ARCH_EXT_LIST
1704 $(add_suffix _external $ARCH_EXT_LIST)
1705 $(add_suffix _inline $ARCH_EXT_LIST)
1706 $ARCH_FEATURES
1707 $BUILTIN_LIST
1708 $HAVE_LIST_CMDLINE
1709 $HAVE_LIST_PUB
1710 $HEADERS_LIST
1711 $INTRINSICS_LIST
1712 $MATH_FUNCS
1713 $SYSTEM_FUNCS
1714 $THREADS_LIST
1715 $TOOLCHAIN_FEATURES
1716 $TYPES_LIST
1717 dos_paths
1718 libc_msvcrt
1719 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
1720 sdl
1721 section_data_rel_ro
1722 threads
1723 vaapi_drm
1724 vaapi_x11
1725 vdpau_x11
1726 "
1727
1728 # options emitted with CONFIG_ prefix but not available on the command line
1729 CONFIG_EXTRA="
1730 aandcttables
1731 ac3dsp
1732 adts_header
1733 audio_frame_queue
1734 audiodsp
1735 blockdsp
1736 bswapdsp
1737 cabac
1738 dirac_parse
1739 dvprofile
1740 faandct
1741 faanidct
1742 fdctdsp
1743 flacdsp
1744 fmtconvert
1745 g722dsp
1746 gmp
1747 golomb
1748 gplv3
1749 h263dsp
1750 h264chroma
1751 h264dsp
1752 h264parse
1753 h264pred
1754 h264qpel
1755 hevc_ps
1756 hpeldsp
1757 huffman
1758 huffyuvdsp
1759 huffyuvencdsp
1760 idctdsp
1761 iirfilter
1762 imdct15
1763 intrax8
1764 iso_media
1765 ividsp
1766 jpegtables
1767 lgplv3
1768 libx262
1769 libxcb_shape
1770 lpc
1771 lzf
1772 me_cmp
1773 mpeg_er
1774 mpegaudio
1775 mpegaudiodsp
1776 mpegaudioheader
1777 mpegvideo
1778 mpegvideoenc
1779 mss34dsp
1780 pixblockdsp
1781 qpeldsp
1782 qsv
1783 qsvdec
1784 qsvenc
1785 rangecoder
1786 riffdec
1787 riffenc
1788 rtpdec
1789 rtpenc_chain
1790 rv34dsp
1791 sinewin
1792 snappy
1793 srtp
1794 startcode
1795 texturedsp
1796 texturedspenc
1797 tpeldsp
1798 vaapi_encode
1799 vc1dsp
1800 videodsp
1801 vp3dsp
1802 vp56dsp
1803 vp8dsp
1804 wma_freqs
1805 wmv2dsp
1806 "
1807
1808 CMDLINE_SELECT="
1809 $ARCH_EXT_LIST
1810 $CONFIG_LIST
1811 $HAVE_LIST_CMDLINE
1812 $THREADS_LIST
1813 asm
1814 cross_compile
1815 debug
1816 extra_warnings
1817 logging
1818 lto
1819 optimizations
1820 rpath
1821 "
1822
1823 PATHS_LIST="
1824 bindir
1825 datadir
1826 docdir
1827 incdir
1828 libdir
1829 mandir
1830 prefix
1831 shlibdir
1832 "
1833
1834 CMDLINE_SET="
1835 $PATHS_LIST
1836 ar
1837 arch
1838 as
1839 cc
1840 objcc
1841 cpu
1842 cross_prefix
1843 custom_allocator
1844 dep_cc
1845 env
1846 extra_version
1847 host_cc
1848 host_cflags
1849 host_extralibs
1850 host_ld
1851 host_ldflags
1852 host_os
1853 ignore_tests
1854 ld
1855 logfile
1856 malloc_prefix
1857 nm
1858 optflags
1859 pkg_config
1860 pkg_config_flags
1861 random_seed
1862 samples
1863 sysinclude
1864 sysroot
1865 target_exec
1866 target_os
1867 target_path
1868 target_samples
1869 toolchain
1870 x86asmexe
1871 "
1872
1873 CMDLINE_APPEND="
1874 extra_cflags
1875 extra_objcflags
1876 host_cppflags
1877 "
1878
1879 # code dependency declarations
1880
1881 # architecture extensions
1882
1883 armv5te_deps="arm"
1884 armv6_deps="arm"
1885 armv6t2_deps="arm"
1886 armv8_deps="aarch64"
1887 neon_deps_any="aarch64 arm"
1888 intrinsics_neon_deps="neon"
1889 vfp_deps_any="aarch64 arm"
1890 vfpv3_deps="vfp"
1891
1892 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1893
1894 altivec_deps="ppc"
1895 dcbzl_deps="ppc"
1896 ldbrx_deps="ppc"
1897 ppc4xx_deps="ppc"
1898 vsx_deps="altivec"
1899 power8_deps="vsx"
1900
1901 loongson_deps="mips"
1902 mips32r1_deps="mips32"
1903 mips32r2_deps="mips32"
1904 mips32r6_deps="mips32"
1905 mips64r1_deps="mips64"
1906 mips64r2_deps="mips64"
1907 mips64r6_deps="mips64"
1908
1909 vis_deps="sparc"
1910
1911 cpunop_deps="i686"
1912 x86_64_select="i686"
1913 x86_64_suggest="fast_cmov"
1914
1915 amd3dnow_deps="mmx"
1916 amd3dnowext_deps="amd3dnow"
1917 i686_deps="x86"
1918 mmx_deps="x86"
1919 mmxext_deps="mmx"
1920 sse_deps="mmxext"
1921 sse2_deps="sse"
1922 sse3_deps="sse2"
1923 ssse3_deps="sse3"
1924 sse4_deps="ssse3"
1925 sse42_deps="sse4"
1926 avx_deps="sse42"
1927 xop_deps="avx"
1928 fma3_deps="avx"
1929 fma4_deps="avx"
1930 avx2_deps="avx"
1931
1932 mmx_external_deps="x86asm"
1933 mmx_inline_deps="inline_asm x86"
1934 mmx_suggest="mmx_external mmx_inline"
1935
1936 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1937 eval dep=\$${ext}_deps
1938 eval ${ext}_external_deps='"${dep}_external"'
1939 eval ${ext}_inline_deps='"${dep}_inline"'
1940 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1941 done
1942
1943 aligned_stack_if_any="aarch64 ppc x86"
1944 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1945 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1946 fast_unaligned_if_any="aarch64 ppc x86"
1947 simd_align_16_if_any="altivec neon sse"
1948 simd_align_32_if_any="avx"
1949
1950 # system capabilities
1951 symver_if_any="symver_asm_label symver_gnu_asm"
1952 valgrind_backtrace_conflict="optimizations"
1953 valgrind_backtrace_deps="valgrind_valgrind_h"
1954
1955 # threading support
1956 atomics_gcc_if="sync_val_compare_and_swap"
1957 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1958 atomics_win32_if="MemoryBarrier"
1959 atomics_native_if_any="$ATOMICS_LIST"
1960 w32threads_deps="atomics_native"
1961 threads_if_any="$THREADS_LIST"
1962
1963 # subsystems
1964 dct_select="rdft"
1965 dirac_parse_select="golomb"
1966 error_resilience_select="me_cmp"
1967 faandct_deps="faan"
1968 faandct_select="fdctdsp"
1969 faanidct_deps="faan"
1970 faanidct_select="idctdsp"
1971 h264dsp_select="startcode"
1972 hevc_ps_select="golomb"
1973 intrax8_select="blockdsp idctdsp"
1974 mdct_select="fft"
1975 rdft_select="fft"
1976 me_cmp_select="fdctdsp idctdsp pixblockdsp"
1977 mpeg_er_select="error_resilience"
1978 mpegaudio_select="mpegaudiodsp mpegaudioheader"
1979 mpegaudiodsp_select="dct"
1980 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp mpeg_er videodsp"
1981 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
1982 vc1dsp_select="h264chroma qpeldsp startcode"
1983
1984 # decoders / encoders
1985 aac_decoder_select="adts_header imdct15 mdct sinewin"
1986 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
1987 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1988 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
1989 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1990 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
1991 adpcm_g722_decoder_select="g722dsp"
1992 adpcm_g722_encoder_select="g722dsp"
1993 aic_decoder_select="golomb idctdsp"
1994 alac_encoder_select="lpc"
1995 als_decoder_select="bswapdsp"
1996 amrnb_decoder_select="lsp"
1997 amrwb_decoder_select="lsp"
1998 amv_decoder_select="sp5x_decoder"
1999 ape_decoder_select="bswapdsp"
2000 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2001 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2002 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2003 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2004 atrac1_decoder_select="mdct sinewin"
2005 atrac3_decoder_select="mdct"
2006 atrac3p_decoder_select="mdct sinewin"
2007 bink_decoder_select="blockdsp hpeldsp"
2008 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2009 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2010 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2011 clearvideo_decoder_select="idctdsp"
2012 cllc_decoder_select="bswapdsp"
2013 comfortnoise_encoder_select="lpc"
2014 cook_decoder_select="audiodsp mdct sinewin"
2015 cscd_decoder_select="lzo"
2016 cscd_decoder_suggest="zlib"
2017 dca_decoder_select="fmtconvert mdct"
2018 dds_decoder_select="texturedsp"
2019 dnxhd_decoder_select="blockdsp idctdsp"
2020 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2021 dvvideo_decoder_select="dvprofile idctdsp"
2022 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2023 dxa_decoder_deps="zlib"
2024 dxv_decoder_select="lzf texturedsp"
2025 eac3_decoder_select="ac3_decoder"
2026 eac3_encoder_select="ac3_encoder"
2027 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2028 eatgq_decoder_select="aandcttables idctdsp"
2029 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2030 exr_decoder_deps="zlib"
2031 ffv1_decoder_select="rangecoder"
2032 ffv1_encoder_select="rangecoder"
2033 ffvhuff_decoder_select="huffyuv_decoder"
2034 ffvhuff_encoder_select="huffyuv_encoder"
2035 fic_decoder_select="golomb"
2036 flac_decoder_select="flacdsp"
2037 flac_encoder_select="bswapdsp flacdsp lpc"
2038 flashsv_decoder_deps="zlib"
2039 flashsv_encoder_deps="zlib"
2040 flashsv2_decoder_deps="zlib"
2041 flv_decoder_select="h263_decoder"
2042 flv_encoder_select="h263_encoder"
2043 fourxm_decoder_select="blockdsp bswapdsp"
2044 fraps_decoder_select="bswapdsp huffman"
2045 g2m_decoder_deps="zlib"
2046 g2m_decoder_select="blockdsp idctdsp jpegtables"
2047 h261_decoder_select="mpeg_er mpegvideo"
2048 h261_encoder_select="aandcttables mpegvideoenc"
2049 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
2050 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2051 h263i_decoder_select="h263_decoder"
2052 h263p_encoder_select="h263_encoder"
2053 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2054 h264_decoder_suggest="error_resilience"
2055 hap_decoder_select="snappy texturedsp"
2056 hap_encoder_deps="libsnappy"
2057 hap_encoder_select="texturedspenc"
2058 hevc_decoder_select="bswapdsp cabac hevc_ps videodsp"
2059 huffyuv_decoder_select="bswapdsp huffyuvdsp"
2060 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
2061 iac_decoder_select="imc_decoder"
2062 imc_decoder_select="bswapdsp fft mdct sinewin"
2063 indeo3_decoder_select="hpeldsp"
2064 indeo4_decoder_select="ividsp"
2065 indeo5_decoder_select="ividsp"
2066 interplay_video_decoder_select="hpeldsp"
2067 jpegls_decoder_select="mjpeg_decoder"
2068 jv_decoder_select="blockdsp"
2069 lagarith_decoder_select="huffyuvdsp"
2070 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2071 magicyuv_decoder_select="huffyuvdsp"
2072 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2073 metasound_decoder_select="lsp mdct sinewin"
2074 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2075 mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
2076 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2077 mjpegb_decoder_select="mjpeg_decoder"
2078 mlp_decoder_select="mlp_parser"
2079 motionpixels_decoder_select="bswapdsp"
2080 mp1_decoder_select="mpegaudio"
2081 mp1float_decoder_select="mpegaudio"
2082 mp2_decoder_select="mpegaudio"
2083 mp2float_decoder_select="mpegaudio"
2084 mp3_decoder_select="mpegaudio"
2085 mp3adu_decoder_select="mpegaudio"
2086 mp3adufloat_decoder_select="mpegaudio"
2087 mp3float_decoder_select="mpegaudio"
2088 mp3on4_decoder_select="mpegaudio"
2089 mp3on4float_decoder_select="mpegaudio"
2090 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2091 mpc8_decoder_select="mpegaudiodsp"
2092 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2093 mpeg1video_encoder_select="aandcttables mpegvideoenc"
2094 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2095 mpeg2video_encoder_select="aandcttables mpegvideoenc"
2096 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2097 mpeg4_encoder_select="h263_encoder"
2098 msa1_decoder_select="mss34dsp"
2099 msmpeg4v1_decoder_select="h263_decoder"
2100 msmpeg4v2_decoder_select="h263_decoder"
2101 msmpeg4v2_encoder_select="h263_encoder"
2102 msmpeg4v3_decoder_select="h263_decoder"
2103 msmpeg4v3_encoder_select="h263_encoder"
2104 mss2_decoder_select="error_resilience mpeg_er mpegvideo qpeldsp vc1_decoder"
2105 mts2_decoder_select="mss34dsp"
2106 mxpeg_decoder_select="mjpeg_decoder"
2107 nellymoser_decoder_select="mdct sinewin"
2108 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2109 nuv_decoder_select="idctdsp lzo"
2110 on2avc_decoder_select="mdct"
2111 opus_decoder_deps="avresample"
2112 opus_decoder_select="imdct15"
2113 png_decoder_deps="zlib"
2114 png_encoder_deps="zlib"
2115 png_encoder_select="huffyuvencdsp"
2116 prores_decoder_select="idctdsp"
2117 prores_encoder_select="fdctdsp"
2118 qcelp_decoder_select="lsp"
2119 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2120 ra_144_encoder_select="audio_frame_queue lpc"
2121 ralf_decoder_select="golomb"
2122 rscc_decoder_deps="zlib"
2123 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2124 rv10_encoder_select="h263_encoder"
2125 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2126 rv20_encoder_select="h263_encoder"
2127 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2128 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2129 screenpresso_decoder_deps="zlib"
2130 sipr_decoder_select="lsp"
2131 sp5x_decoder_select="mjpeg_decoder"
2132 svq1_decoder_select="hpeldsp"
2133 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2134 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2135 svq3_decoder_suggest="zlib"
2136 tak_decoder_select="audiodsp"
2137 tdsc_decoder_deps="zlib"
2138 tdsc_decoder_select="mjpeg_decoder"
2139 theora_decoder_select="vp3_decoder"
2140 thp_decoder_select="mjpeg_decoder"
2141 tiff_decoder_suggest="zlib"
2142 tiff_encoder_suggest="zlib"
2143 truehd_decoder_select="mlp_decoder"
2144 truemotion2_decoder_select="bswapdsp"
2145 truespeech_decoder_select="bswapdsp"
2146 tscc_decoder_deps="zlib"
2147 txd_decoder_select="texturedsp"
2148 twinvq_decoder_select="mdct lsp sinewin"
2149 utvideo_decoder_select="bswapdsp huffyuvdsp"
2150 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2151 vble_decoder_select="huffyuvdsp"
2152 vc1_decoder_select="blockdsp error_resilience h263_decoder h264qpel intrax8 mpeg_er mpegvideo vc1dsp"
2153 vc1image_decoder_select="vc1_decoder"
2154 vorbis_decoder_select="mdct"
2155 vorbis_encoder_select="mdct"
2156 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2157 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2158 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2159 vp6a_decoder_select="vp6_decoder"
2160 vp6f_decoder_select="vp6_decoder"
2161 vp7_decoder_select="h264pred videodsp vp8dsp"
2162 vp8_decoder_select="h264pred videodsp vp8dsp"
2163 vp9_decoder_select="videodsp vp9_superframe_split_bsf"
2164 webp_decoder_select="vp8_decoder"
2165 wmapro_decoder_select="mdct sinewin wma_freqs"
2166 wmav1_decoder_select="mdct sinewin wma_freqs"
2167 wmav1_encoder_select="mdct sinewin wma_freqs"
2168 wmav2_decoder_select="mdct sinewin wma_freqs"
2169 wmav2_encoder_select="mdct sinewin wma_freqs"
2170 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2171 wmv1_decoder_select="h263_decoder"
2172 wmv1_encoder_select="h263_encoder"
2173 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2174 wmv2_encoder_select="h263_encoder wmv2dsp"
2175 wmv3_decoder_select="vc1_decoder"
2176 wmv3image_decoder_select="wmv3_decoder"
2177 zerocodec_decoder_deps="zlib"
2178 zlib_decoder_deps="zlib"
2179 zlib_encoder_deps="zlib"
2180 zmbv_decoder_deps="zlib"
2181 zmbv_encoder_deps="zlib"
2182
2183 # hardware accelerators
2184 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2185 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32"
2186 vda_deps="VideoDecodeAcceleration_VDADecoder_h blocks_extension pthreads"
2187 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2188
2189 h263_vaapi_hwaccel_deps="vaapi"
2190 h263_vaapi_hwaccel_select="h263_decoder"
2191 h264_d3d11va_hwaccel_deps="d3d11va"
2192 h264_d3d11va_hwaccel_select="h264_decoder"
2193 h264_d3d11va2_hwaccel_deps="d3d11va"
2194 h264_d3d11va2_hwaccel_select="h264_decoder"
2195 h264_dxva2_hwaccel_deps="dxva2"
2196 h264_dxva2_hwaccel_select="h264_decoder"
2197 h264_mmal_hwaccel_deps="mmal"
2198 h264_qsv_hwaccel_deps="libmfx"
2199 h264_vaapi_hwaccel_deps="vaapi"
2200 h264_vaapi_hwaccel_select="h264_decoder"
2201 h264_vda_hwaccel_deps="vda"
2202 h264_vda_hwaccel_select="h264_decoder"
2203 h264_vda_old_hwaccel_deps="vda"
2204 h264_vda_old_hwaccel_select="h264_decoder"
2205 h264_vdpau_hwaccel_deps="vdpau"
2206 h264_vdpau_hwaccel_select="h264_decoder"
2207 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2208 hevc_d3d11va_hwaccel_select="hevc_decoder"
2209 hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2210 hevc_d3d11va2_hwaccel_select="hevc_decoder"
2211 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2212 hevc_dxva2_hwaccel_select="hevc_decoder"
2213 hevc_qsv_hwaccel_deps="libmfx"
2214 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2215 hevc_vaapi_hwaccel_select="hevc_decoder"
2216 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2217 hevc_vdpau_hwaccel_select="hevc_decoder"
2218 mpeg1_vdpau_hwaccel_deps="vdpau"
2219 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2220 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2221 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2222 mpeg2_d3d11va2_hwaccel_deps="d3d11va"
2223 mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"
2224 mpeg2_dxva2_hwaccel_deps="dxva2"
2225 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2226 mpeg2_mmal_hwaccel_deps="mmal"
2227 mpeg2_qsv_hwaccel_deps="libmfx"
2228 mpeg2_vaapi_hwaccel_deps="vaapi"
2229 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2230 mpeg2_vdpau_hwaccel_deps="vdpau"
2231 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2232 mpeg4_vaapi_hwaccel_deps="vaapi"
2233 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2234 mpeg4_vdpau_hwaccel_deps="vdpau"
2235 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2236 vc1_d3d11va_hwaccel_deps="d3d11va"
2237 vc1_d3d11va_hwaccel_select="vc1_decoder"
2238 vc1_d3d11va2_hwaccel_deps="d3d11va"
2239 vc1_d3d11va2_hwaccel_select="vc1_decoder"
2240 vc1_dxva2_hwaccel_deps="dxva2"
2241 vc1_dxva2_hwaccel_select="vc1_decoder"
2242 vc1_mmal_hwaccel_deps="mmal"
2243 vc1_qsv_hwaccel_deps="libmfx"
2244 vc1_vaapi_hwaccel_deps="vaapi"
2245 vc1_vaapi_hwaccel_select="vc1_decoder"
2246 vc1_vdpau_hwaccel_deps="vdpau"
2247 vc1_vdpau_hwaccel_select="vc1_decoder"
2248 vp8_qsv_hwaccel_deps="libmfx"
2249 vp8_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferVP8"
2250 vp8_vaapi_hwaccel_select="vp8_decoder"
2251 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2252 wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"
2253 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2254 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2255 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2256
2257 # hardware-accelerated codecs
2258 nvenc_deps_any="libdl LoadLibrary"
2259 omx_deps="libdl pthreads"
2260 omx_rpi_select="omx"
2261 qsv_deps="libmfx"
2262 qsvdec_select="qsv"
2263 qsvenc_select="qsv"
2264 vaapi_encode_deps="vaapi"
2265
2266 hwupload_cuda_filter_deps="cuda"
2267 scale_npp_filter_deps="cuda libnpp"
2268
2269 h264_mmal_decoder_deps="mmal"
2270 h264_nvenc_encoder_deps="nvenc"
2271 h264_omx_encoder_deps="omx"
2272 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2273 h264_qsv_encoder_select="qsvenc"
2274 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2275 h264_vaapi_encoder_select="vaapi_encode golomb"
2276 hevc_nvenc_encoder_deps="nvenc"
2277 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser hevc_qsv_hwaccel qsvdec"
2278 hevc_qsv_encoder_select="hevc_ps qsvenc"
2279 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2280 hevc_vaapi_encoder_select="vaapi_encode golomb"
2281 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2282 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2283 mpeg2_mmal_decoder_deps="mmal"
2284 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel mpegvideo_parser"
2285 mpeg2_qsv_encoder_select="qsvenc"
2286 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2287 mpeg2_vaapi_encoder_select="vaapi_encode"
2288 mpeg4_omx_encoder_deps="omx"
2289 vc1_mmal_decoder_deps="mmal"
2290 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel vc1_parser"
2291 vp8_qsv_decoder_select="qsvdec vp8_qsv_hwaccel vp8_parser"
2292 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2293 vp8_vaapi_encoder_select="vaapi_encode"
2294 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
2295 vp9_vaapi_encoder_select="vaapi_encode"
2296
2297 nvenc_h264_encoder_select="h264_nvenc_encoder"
2298 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2299
2300 # parsers
2301 aac_parser_select="adts_header"
2302 h264_parser_select="golomb h264dsp h264parse"
2303 hevc_parser_select="hevc_ps"
2304 mpegaudio_parser_select="mpegaudioheader"
2305 mpegvideo_parser_select="mpegvideo"
2306 mpeg4video_parser_select="error_resilience h263dsp mpegvideo qpeldsp"
2307 vc1_parser_select="vc1dsp"
2308
2309 # bitstream_filters
2310 aac_adtstoasc_bsf_select="adts_header"
2311 mjpeg2jpeg_bsf_select="jpegtables"
2312
2313 # external libraries
2314 avisynth_deps="LoadLibrary"
2315 avxsynth_deps="libdl"
2316 avisynth_demuxer_deps_any="avisynth avxsynth"
2317 avisynth_demuxer_select="riffdec"
2318 libdcadec_decoder_deps="libdcadec"
2319 libfaac_encoder_deps="libfaac"
2320 libfaac_encoder_select="audio_frame_queue"
2321 libfdk_aac_decoder_deps="libfdk_aac"
2322 libfdk_aac_encoder_deps="libfdk_aac"
2323 libfdk_aac_encoder_select="audio_frame_queue"
2324 libgsm_decoder_deps="libgsm"
2325 libgsm_encoder_deps="libgsm"
2326 libgsm_ms_decoder_deps="libgsm"
2327 libgsm_ms_encoder_deps="libgsm"
2328 libilbc_decoder_deps="libilbc"
2329 libilbc_encoder_deps="libilbc"
2330 libkvazaar_encoder_deps="libkvazaar"
2331 libmp3lame_encoder_deps="libmp3lame"
2332 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
2333 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2334 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2335 libopencore_amrnb_encoder_select="audio_frame_queue"
2336 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2337 libopenh264_decoder_deps="libopenh264"
2338 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2339 libopenh264_encoder_deps="libopenh264"
2340 libopenjpeg_decoder_deps="libopenjpeg"
2341 libopenjpeg_encoder_deps="libopenjpeg"
2342 libopus_decoder_deps="libopus"
2343 libopus_encoder_deps="libopus"
2344 libopus_encoder_select="audio_frame_queue"
2345 libschroedinger_decoder_deps="libschroedinger"
2346 libschroedinger_encoder_deps="libschroedinger"
2347 libspeex_decoder_deps="libspeex"
2348 libspeex_encoder_deps="libspeex"
2349 libspeex_encoder_select="audio_frame_queue"
2350 libtheora_encoder_deps="libtheora"
2351 libtwolame_encoder_deps="libtwolame"
2352 libvo_aacenc_encoder_deps="libvo_aacenc"
2353 libvo_aacenc_encoder_select="audio_frame_queue"
2354 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2355 libvorbis_encoder_deps="libvorbis"
2356 libvorbis_encoder_select="audio_frame_queue"
2357 libvpx_vp8_decoder_deps="libvpx"
2358 libvpx_vp8_encoder_deps="libvpx"
2359 libvpx_vp9_decoder_deps="libvpx"
2360 libvpx_vp9_encoder_deps="libvpx"
2361 libwavpack_encoder_deps="libwavpack"
2362 libwavpack_encoder_select="audio_frame_queue"
2363 libwebp_encoder_deps="libwebp"
2364 libx262_encoder_deps="libx262"
2365 libx264_encoder_deps="libx264"
2366 libx265_encoder_deps="libx265"
2367 libxavs_encoder_deps="libxavs"
2368 libxvid_encoder_deps="libxvid mkstemp"
2369
2370 # demuxers / muxers
2371 ac3_demuxer_select="ac3_parser"
2372 asf_demuxer_select="riffdec"
2373 asf_muxer_select="riffenc"
2374 asf_stream_muxer_select="asf_muxer"
2375 avi_demuxer_select="iso_media riffdec"
2376 avi_muxer_select="riffenc"
2377 caf_demuxer_select="iso_media riffdec"
2378 dash_muxer_select="mp4_muxer"
2379 dirac_demuxer_select="dirac_parser"
2380 dv_demuxer_select="dvprofile"
2381 dv_muxer_select="dvprofile"
2382 dxa_demuxer_select="riffdec"
2383 eac3_demuxer_select="ac3_parser"
2384 f4v_muxer_select="mov_muxer"
2385 flac_demuxer_select="flac_parser"
2386 hds_muxer_select="flv_muxer"
2387 hls_muxer_select="mpegts_muxer"
2388 ipod_muxer_select="mov_muxer"
2389 ismv_muxer_select="mov_muxer"
2390 matroska_audio_muxer_select="matroska_muxer"
2391 matroska_demuxer_select="iso_media riffdec"
2392 matroska_demuxer_suggest="bzlib lzo zlib"
2393 matroska_muxer_select="iso_media riffenc"
2394 mmf_muxer_select="riffenc"
2395 mov_demuxer_select="iso_media riffdec"
2396 mov_demuxer_suggest="zlib"
2397 mov_muxer_select="iso_media riffenc rtpenc_chain"
2398 mp3_demuxer_select="mpegaudio_parser"
2399 mp3_muxer_select="mpegaudioheader"
2400 mp4_muxer_select="mov_muxer"
2401 mpegts_demuxer_select="iso_media"
2402 mpegts_muxer_select="adts_muxer latm_muxer"
2403 mpegtsraw_demuxer_select="mpegts_demuxer"
2404 mxf_d10_muxer_select="mxf_muxer"
2405 nut_muxer_select="riffenc"
2406 nuv_demuxer_select="riffdec"
2407 oga_muxer_select="ogg_muxer"
2408 ogg_demuxer_select="dirac_parse"
2409 opus_muxer_select="ogg_muxer"
2410 psp_muxer_select="mov_muxer"
2411 rtp_demuxer_select="sdp_demuxer"
2412 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
2413 rtsp_demuxer_select="http_protocol rtpdec"
2414 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2415 sap_demuxer_select="sdp_demuxer"
2416 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2417 sdp_demuxer_select="rtpdec"
2418 smoothstreaming_muxer_select="ismv_muxer"
2419 spdif_demuxer_select="adts_header"
2420 spdif_muxer_select="adts_header"
2421 spx_muxer_select="ogg_muxer"
2422 swf_demuxer_suggest="zlib"
2423 tak_demuxer_select="tak_parser"
2424 tg2_muxer_select="mov_muxer"
2425 tgp_muxer_select="mov_muxer"
2426 w64_demuxer_select="wav_demuxer"
2427 wav_demuxer_select="riffdec"
2428 wav_muxer_select="riffenc"
2429 webm_muxer_select="iso_media riffenc"
2430 wtv_demuxer_select="mpegts_demuxer riffdec"
2431 xmv_demuxer_select="riffdec"
2432 xwma_demuxer_select="riffdec"
2433
2434 # indevs / outdevs
2435 alsa_indev_deps="alsa"
2436 alsa_outdev_deps="alsa"
2437 avfoundation_indev_deps="AVFoundation_AVFoundation_h objc_arc pthreads"
2438 avfoundation_indev_extralibs="-framework Foundation -framework AVFoundation -framework CoreVideo -framework CoreMedia"
2439 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2440 dv1394_indev_deps="dv1394"
2441 dv1394_indev_select="dv_demuxer"
2442 fbdev_indev_deps="linux_fb_h"
2443 jack_indev_deps="libjack"
2444 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
2445 libcdio_indev_deps="libcdio"
2446 libdc1394_indev_deps="libdc1394"
2447 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2448 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2449 pulse_indev_deps="libpulse"
2450 sndio_indev_deps="sndio"
2451 sndio_outdev_deps="sndio"
2452 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2453 vfwcap_indev_deps="vfw32 vfwcap_defines"
2454 xcbgrab_indev_deps="libxcb libxcb_shape"
2455 xcbgrab_indev_suggest="libxcb_shm libxcb_xfixes"
2456
2457 # protocols
2458 ffrtmpcrypt_protocol_conflict="librtmp_protocol"
2459 ffrtmpcrypt_protocol_deps_any="gmp openssl"
2460 ffrtmpcrypt_protocol_select="tcp_protocol"
2461 ffrtmphttp_protocol_conflict="librtmp_protocol"
2462 ffrtmphttp_protocol_select="http_protocol"
2463 gopher_protocol_select="network"
2464 http_protocol_select="tcp_protocol"
2465 http_protocol_suggest="zlib"
2466 httpproxy_protocol_select="tcp_protocol"
2467 httpproxy_protocol_suggest="zlib"
2468 https_protocol_select="tls_protocol"
2469 https_protocol_suggest="zlib"
2470 icecast_protocol_select="http_protocol"
2471 librtmp_protocol_deps="librtmp"
2472 librtmpe_protocol_deps="librtmp"
2473 librtmps_protocol_deps="librtmp"
2474 librtmpt_protocol_deps="librtmp"
2475 librtmpte_protocol_deps="librtmp"
2476 mmsh_protocol_select="http_protocol"
2477 mmst_protocol_select="network"
2478 rtmp_protocol_conflict="librtmp_protocol"
2479 rtmp_protocol_select="tcp_protocol"
2480 rtmp_protocol_suggest="zlib"
2481 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2482 rtmpe_protocol_suggest="zlib"
2483 rtmps_protocol_conflict="librtmp_protocol"
2484 rtmps_protocol_select="tls_protocol"
2485 rtmps_protocol_suggest="zlib"
2486 rtmpt_protocol_select="ffrtmphttp_protocol"
2487 rtmpt_protocol_suggest="zlib"
2488 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2489 rtmpte_protocol_suggest="zlib"
2490 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2491 rtmpts_protocol_suggest="zlib"
2492 rtp_protocol_select="udp_protocol"
2493 sctp_protocol_deps="struct_sctp_event_subscribe"
2494 sctp_protocol_select="network"
2495 srtp_protocol_select="rtp_protocol srtp"
2496 tcp_protocol_select="network"
2497 tls_protocol_deps_any="gnutls openssl"
2498 tls_protocol_select="tcp_protocol"
2499 udp_protocol_select="network"
2500 unix_protocol_deps="sys_un_h"
2501 unix_protocol_select="network"
2502
2503 # filters
2504 asyncts_filter_deps="avresample"
2505 blackframe_filter_deps="gpl"
2506 boxblur_filter_deps="gpl"
2507 bs2b_filter_deps="libbs2b"
2508 cropdetect_filter_deps="gpl"
2509 deinterlace_qsv_filter_deps="libmfx"
2510 deinterlace_vaapi_filter_deps="vaapi"
2511 delogo_filter_deps="gpl"
2512 drawtext_filter_deps="libfreetype"
2513 drawtext_filter_suggest="libfontconfig"
2514 frei0r_filter_deps="frei0r libdl"
2515 frei0r_src_filter_deps="frei0r libdl"
2516 hdcd_filter_deps="libhdcd"
2517 hqdn3d_filter_deps="gpl"
2518 interlace_filter_deps="gpl"
2519 movie_filter_deps="avcodec avformat"
2520 ocv_filter_deps="libopencv"
2521 resample_filter_deps="avresample"
2522 scale_filter_deps="swscale"
2523 scale_qsv_filter_deps="libmfx"
2524 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
2525
2526 # examples
2527 decode_audio_example_deps="avcodec avutil"
2528 decode_video_example_deps="avcodec avutil"
2529 encode_audio_example_deps="avcodec avutil"
2530 encode_video_example_deps="avcodec avutil"
2531 filter_audio_example_deps="avfilter avutil"
2532 metadata_example_deps="avformat avutil"
2533 output_example_deps="avcodec avformat avresample avutil swscale"
2534 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
2535 transcode_aac_example_deps="avcodec avformat avresample"
2536
2537 # EXTRALIBS_LIST
2538 cpu_init_extralibs="pthreads_extralibs"
2539 cws2fws_extralibs="zlib_extralibs"
2540
2541 # libraries, in linking order
2542 avcodec_deps="avutil"
2543 avcodec_select="null_bsf"
2544 avdevice_deps="avformat avcodec avutil"
2545 avfilter_deps="avutil"
2546 avformat_deps="avcodec avutil"
2547 avformat_suggest="network"
2548 avresample_deps="avutil"
2549 swscale_deps="avutil"
2550
2551 avcodec_extralibs="pthreads_extralibs libm_extralibs"
2552 avdevice_extralibs="libm_extralibs"
2553 avformat_extralibs="libm_extralibs"
2554 avfilter_extralibs="pthreads_extralibs libm_extralibs"
2555 avresample_extralibs="libm_extralibs"
2556 avutil_extralibs="clock_gettime_extralibs cuda_extralibs libm_extralibs libmfx_extralibs nanosleep_extralibs pthreads_extralibs user32_extralibs vaapi_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs wincrypt_extralibs"
2557 swscale_extralibs="libm_extralibs"
2558
2559 # programs
2560 avconv_deps="avcodec avfilter avformat avresample swscale"
2561 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2562 fps_filter null_filter resample_filter scale_filter
2563 trim_filter"
2564 avconv_suggest="psapi shell32"
2565 avplay_deps="avcodec avfilter avformat avresample sdl"
2566 avplay_select="rdft format_filter transpose_filter hflip_filter vflip_filter"
2567 avplay_suggest="shell32"
2568 avprobe_deps="avcodec avformat"
2569 avprobe_suggest="shell32"
2570
2571 # documentation
2572 pod2man_deps="doc"
2573 texi2html_deps="doc"
2574
2575 # default parameters
2576
2577 logfile="avbuild/config.log"
2578
2579 # installation paths
2580 prefix_default="/usr/local"
2581 bindir_default='${prefix}/bin'
2582 datadir_default='${prefix}/share/avconv'
2583 docdir_default='${prefix}/share/doc/libav'
2584 incdir_default='${prefix}/include'
2585 libdir_default='${prefix}/lib'
2586 mandir_default='${prefix}/share/man'
2587 shlibdir_default="$libdir_default"
2588
2589 # toolchain
2590 ar_default="ar"
2591 cc_default="gcc"
2592 host_cc_default="gcc"
2593 x86asmexe_default="nasm"
2594 ln_s="ln -s -f"
2595 nm_default="nm -g"
2596 pkg_config_default=pkg-config
2597 ranlib="ranlib"
2598 strip="strip"
2599 version_script='--version-script'
2600
2601 # machine
2602 arch_default=$(uname -m)
2603 cpu="generic"
2604 intrinsics="none"
2605
2606 # OS
2607 target_os_default=$(tolower $(uname -s))
2608 host_os=$target_os_default
2609
2610 # configurable options
2611 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2612
2613 enable asm
2614 enable debug
2615 enable doc
2616 enable faan faandct faanidct
2617 enable optimizations
2618 enable safe_bitstream_reader
2619 enable static
2620 enable swscale_alpha
2621 enable valgrind_backtrace
2622
2623 # By default, enable only those hwaccels that have no external dependencies.
2624 enable d3d11va dxva2 vda vdpau
2625
2626 # internal components are enabled by default
2627 enable $EXTRALIBS_LIST
2628
2629 # Avoid external, non-system, libraries getting enabled by dependency resolution
2630 disable $EXTERNAL_LIBRARY_LIST
2631
2632 # build settings
2633 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2634 LIBPREF="lib"
2635 LIBSUF=".a"
2636 LIBNAME='$(LIBPREF)$(NAME)$(LIBSUF)'
2637 SLIBPREF="lib"
2638 SLIBSUF=".so"
2639 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
2640 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2641 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2642 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2643 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2644 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2645 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
2646
2647 asflags_filter=echo
2648 cflags_filter=echo
2649 ldflags_filter=echo
2650
2651 AS_C='-c'
2652 AS_O='-o $@'
2653 CC_C='-c'
2654 CC_E='-E -o $@'
2655 CC_O='-o $@'
2656 OBJCC_C='-c'
2657 OBJCC_E='-E -o $@'
2658 OBJCC_O='-o $@'
2659 X86ASM_O='-o $@'
2660 LD_O='-o $@'
2661 LD_LIB='-l%'
2662 LD_PATH='-L'
2663 HOSTCC_C='-c'
2664 HOSTCC_E='-E -o $@'
2665 HOSTCC_O='-o $@'
2666 HOSTLD_O='-o $@'
2667
2668 host_extralibs='-lm'
2669 host_cflags_filter=echo
2670 host_ldflags_filter=echo
2671
2672 target_path='$(CURDIR)'
2673
2674 # since the object filename is not given with the -MM flag, the compiler
2675 # is only able to print the basename, and we must add the path ourselves
2676 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2677 DEPFLAGS='-MM'
2678
2679 mkdir -p avbuild
2680
2681 # find source path
2682 if test -f configure; then
2683 source_path=.
2684 else
2685 source_path=$(cd $(dirname "$0"); pwd)
2686 echo "$source_path" | grep -q '[[:blank:]]' &&
2687 die "Out of tree builds are impossible with whitespace in source path."
2688 test -e "$source_path/config.h" &&
2689 die "Out of tree builds are impossible with config.h in source dir."
2690 fi
2691
2692 for v in "$@"; do
2693 r=${v#*=}
2694 l=${v%"$r"}
2695 r=$(sh_quote "$r")
2696 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2697 done
2698
2699 find_things(){
2700 thing=$1
2701 pattern=$2
2702 file=$source_path/$3
2703 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2704 }
2705
2706 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2707 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2708 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2709 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2710 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2711 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2712 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2713 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2714 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2715
2716 find_things_extern(){
2717 thing=$1
2718 pattern=$2
2719 file=$source_path/$3
2720 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
2721 }
2722
2723 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
2724 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
2725
2726 AVCODEC_COMPONENTS_LIST="
2727 $BSF_LIST
2728 $DECODER_LIST
2729 $ENCODER_LIST
2730 $HWACCEL_LIST
2731 $PARSER_LIST
2732 "
2733
2734 AVDEVICE_COMPONENTS_LIST="
2735 $INDEV_LIST
2736 $OUTDEV_LIST
2737 "
2738
2739 AVFILTER_COMPONENTS_LIST="
2740 $FILTER_LIST
2741 "
2742
2743 AVFORMAT_COMPONENTS_LIST="
2744 $DEMUXER_LIST
2745 $MUXER_LIST
2746 $PROTOCOL_LIST
2747 "
2748
2749 ALL_COMPONENTS="
2750 $AVCODEC_COMPONENTS_LIST
2751 $AVDEVICE_COMPONENTS_LIST
2752 $AVFILTER_COMPONENTS_LIST
2753 $AVFORMAT_COMPONENTS_LIST
2754 "
2755
2756 for n in $COMPONENT_LIST; do
2757 v=$(toupper ${n%s})_LIST
2758 eval enable \$$v
2759 eval ${n}_if_any="\$$v"
2760 done
2761
2762 enable $ARCH_EXT_LIST
2763
2764 die_unknown(){
2765 echo "Unknown option \"$1\"."
2766 echo "See $0 --help for available options."
2767 exit 1
2768 }
2769
2770 print_3_columns() {
2771 printf "%-25s %-25s %-25s\n" $(cat | tr ' ' '\n' | sort)
2772 }
2773
2774 show_list() {
2775 suffix=_$1
2776 shift
2777 echo $* | sed s/$suffix//g | print_3_columns
2778 exit 0
2779 }
2780
2781 rand_list(){
2782 IFS=', '
2783 set -- $*
2784 unset IFS
2785 for thing; do
2786 comp=${thing%:*}
2787 prob=${thing#$comp}
2788 prob=${prob#:}
2789 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2790 echo "prob ${prob:-0.5}"
2791 printf '%s\n' $comp
2792 done
2793 }
2794
2795 do_random(){
2796 action=$1
2797 shift
2798 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2799 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2800 }
2801
2802 for opt do
2803 optval="${opt#*=}"
2804 case "$opt" in
2805 --extra-ldflags=*)
2806 add_ldflags $optval
2807 ;;
2808 --extra-ldexeflags=*)
2809 add_ldexeflags $optval
2810 ;;
2811 --extra-ldsoflags=*)
2812 add_ldsoflags $optval
2813 ;;
2814 --extra-libs=*)
2815 add_extralibs $optval
2816 ;;
2817 --disable-devices)
2818 disable $INDEV_LIST $OUTDEV_LIST
2819 ;;
2820 --enable-debug=*)
2821 debuglevel="$optval"
2822 ;;
2823 --disable-programs)
2824 disable $PROGRAM_LIST
2825 ;;
2826 --disable-everything)
2827 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2828 ;;
2829 --disable-all)
2830 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2831 disable $LIBRARY_LIST $PROGRAM_LIST doc
2832 ;;
2833 --enable-random|--disable-random)
2834 action=${opt%%-random}
2835 do_random ${action#--} $COMPONENT_LIST
2836 ;;
2837 --enable-random=*|--disable-random=*)
2838 action=${opt%%-random=*}
2839 do_random ${action#--} $optval
2840 ;;
2841 --enable-*=*|--disable-*=*)
2842 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2843 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2844 eval list=\$$(toupper $thing)_LIST
2845 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2846 $action $(filter "$name" $list)
2847 ;;
2848 --enable-avserver|--disable-avserver*)
2849 warn "avserver has been removed, the ${opt} option is only"\
2850 "provided for compatibility and will be removed in the future"
2851 ;;
2852 --enable-yasm|--disable-yasm)
2853 warn "The ${opt} option is only provided for compatibility and will be\n"\
2854 "removed in the future. Use --enable-x86asm / --disable-x86asm instead."
2855 test $opt = --enable-yasm && x86asm=yes || x86asm=no
2856 ;;
2857 --enable-?*|--disable-?*)
2858 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2859 if is_in $option $COMPONENT_LIST; then
2860 test $action = disable && action=unset
2861 eval $action \$$(toupper ${option%s})_LIST
2862 elif is_in $option $CMDLINE_SELECT; then
2863 $action $option
2864 else
2865 die_unknown $opt
2866 fi
2867 ;;
2868 --list-*)
2869 NAME="${opt#--list-}"
2870 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2871 NAME=${NAME%s}
2872 eval show_list $NAME \$$(toupper $NAME)_LIST
2873 ;;
2874 --help|-h) show_help
2875 ;;
2876 --quiet|-q) quiet=yes
2877 ;;
2878 *)
2879 optname="${opt%%=*}"
2880 optname="${optname#--}"
2881 optname=$(echo "$optname" | sed 's/-/_/g')
2882 if is_in $optname $CMDLINE_SET; then
2883 eval $optname='$optval'
2884 elif is_in $optname $CMDLINE_APPEND; then
2885 append $optname "$optval"
2886 else
2887 die_unknown $opt
2888 fi
2889 ;;
2890 esac
2891 done
2892
2893 for e in $env; do
2894 eval "export $e"
2895 done
2896
2897 disabled logging && logfile=/dev/null
2898
2899 # Die early if licensing-related configure options are incompatible.
2900 die_license_disabled() {
2901 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
2902 }
2903
2904 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST
2905 map "die_license_disabled nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST $HWACCEL_LIBRARY_NONFREE_LIST
2906 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST
2907
2908 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2909
2910 enabled_all gnutls openssl &&
2911 die "GnuTLS and OpenSSL must not be enabled at the same time."
2912
2913 # Disable all the library-specific components if the library itself
2914 # is disabled, see AVCODEC_LIST and following _LIST variables.
2915
2916 disable_components(){
2917 disabled ${1} && disable $(
2918 eval components="\$$(toupper ${1})_COMPONENTS"
2919 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
2920 )
2921 }
2922
2923 map 'disable_components $v' $LIBRARY_LIST
2924
2925 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2926 set >> $logfile
2927
2928 case "$toolchain" in
2929 *-asan)
2930 cc_default="${toolchain%-asan}"
2931 add_cflags -fsanitize=address
2932 add_ldflags -fsanitize=address
2933 ;;
2934 *-msan)
2935 cc_default="${toolchain%-msan}"
2936 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
2937 add_ldflags -fsanitize=memory
2938 ;;
2939 *-tsan)
2940 cc_default="${toolchain%-tsan}"
2941 add_cflags -fsanitize=thread -fPIE
2942 add_ldflags -fsanitize=thread -pie
2943 case "$toolchain" in
2944 gcc-tsan)
2945 add_cflags -fPIC
2946 add_ldflags -fPIC
2947 ;;
2948 esac
2949 ;;
2950 *-usan)
2951 cc_default="${toolchain%-usan}"
2952 add_cflags -fsanitize=undefined
2953 add_ldflags -fsanitize=undefined
2954 case "$toolchain" in
2955 clang-usan)
2956 add_cflags -O1
2957 ;;
2958 esac
2959 ;;
2960 valgrind-*)
2961 target_exec_default="valgrind"
2962 case "$toolchain" in
2963 valgrind-massif)
2964 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2965 ;;
2966 valgrind-memcheck)
2967 target_exec_args="--track-origins=yes --leak-check=full"
2968 ;;
2969 esac
2970 ;;
2971 msvc)
2972 # Check whether the current MSVC version needs the C99 converter.
2973 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2974 # support enough of C99 to build libav. Default to the new
2975 # behaviour if the regexp was unable to match anything, since this
2976 # successfully parses the version number of existing supported
2977 # versions that require the converter (MSVC 2010 and 2012).
2978 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2979 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2980 cc_default="cl"
2981 else
2982 cc_default="c99wrap cl"
2983 fi
2984 ld_default="$source_path/compat/windows/mslink"
2985 nm_default="dumpbin -symbols"
2986 ar_default="lib"
2987 case "$arch" in
2988 arm*)
2989 as_default="armasm"
2990 ;;
2991 esac
2992 target_os_default="win32"
2993 # Use a relative path for TMPDIR. This makes sure all the
2994 # ffconf temp files are written with a relative path, avoiding
2995 # issues with msys/win32 path conversion for MSVC parameters
2996 # such as -Fo<file> or -out:<file>.
2997 TMPDIR=.
2998 ;;
2999 icl)
3000 cc_default="icl"
3001 ld_default="xilink"
3002 nm_default="dumpbin -symbols"
3003 ar_default="xilib"
3004 target_os_default="win32"
3005 TMPDIR=.
3006 ;;
3007 gcov)
3008 add_cflags -fprofile-arcs -ftest-coverage
3009 add_ldflags -fprofile-arcs -ftest-coverage
3010 ;;
3011 llvm-cov)
3012 add_cflags -fprofile-arcs -ftest-coverage
3013 add_ldflags --coverage
3014 ;;
3015 hardened)
3016 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3017 add_cflags -fno-strict-overflow -fstack-protector-all
3018 add_ldflags -Wl,-z,relro -Wl,-z,now
3019 ;;
3020 ?*)
3021 die "Unknown toolchain $toolchain"
3022 ;;
3023 esac
3024
3025 test -n "$cross_prefix" && enable cross_compile
3026
3027 if enabled cross_compile; then
3028 test -n "$arch" && test -n "$target_os" ||
3029 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
3030 fi
3031
3032 ar_default="${cross_prefix}${ar_default}"
3033 cc_default="${cross_prefix}${cc_default}"
3034 objcc_default="${cross_prefix}${objcc_default}"
3035 x86asmexe_default="${cross_prefix}${x86asmexe_default}"
3036 nm_default="${cross_prefix}${nm_default}"
3037 pkg_config_default="${cross_prefix}${pkg_config_default}"
3038 ranlib="${cross_prefix}${ranlib}"
3039 strip="${cross_prefix}${strip}"
3040
3041 sysinclude_default="${sysroot}/usr/include"
3042
3043 set_default arch cc pkg_config sysinclude target_exec target_os x86asmexe
3044 enabled cross_compile || host_cc_default=$cc
3045 set_default host_cc
3046
3047 if ! $pkg_config --version >/dev/null 2>&1; then
3048 warn "$pkg_config not found, library detection may fail."
3049 pkg_config=false
3050 fi
3051
3052 exesuf() {
3053 case $1 in
3054 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3055 esac
3056 }
3057
3058 EXESUF=$(exesuf $target_os)
3059 HOSTEXESUF=$(exesuf $host_os)
3060
3061 # set temporary file name
3062 : ${TMPDIR:=$TEMPDIR}
3063 : ${TMPDIR:=$TMP}
3064 : ${TMPDIR:=/tmp}
3065
3066 if ! check_cmd mktemp -u XXXXXX; then
3067 # simple replacement for missing mktemp
3068 # NOT SAFE FOR GENERAL USE
3069 mktemp(){
3070 tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3071 echo "$tmpname"
3072 mkdir "$tmpname"
3073 }
3074 fi
3075
3076 AVTMPDIR=$(mktemp -d "${TMPDIR}/avconf.XXXXXXXX" 2> /dev/null) ||
3077 die "Unable to create temporary directory in $TMPDIR."
3078
3079 tmpfile(){
3080 tmp="${AVTMPDIR}/test"$2
3081 (set -C; exec > $tmp) 2> /dev/null ||
3082 die "Unable to create temporary file in $AVTMPDIR."
3083 eval $1=$tmp
3084 }
3085
3086 trap 'rm -rf -- "$AVTMPDIR"' EXIT
3087 trap 'exit 2' INT
3088
3089 tmpfile TMPASM .asm
3090 tmpfile TMPC .c
3091 tmpfile TMPE $EXESUF
3092 tmpfile TMPH .h
3093 tmpfile TMPO .o
3094 tmpfile TMPS .S
3095 tmpfile TMPSH .sh
3096 tmpfile TMPV .ver
3097
3098 unset -f mktemp
3099
3100 chmod +x $TMPE
3101
3102 # make sure we can execute files in $TMPDIR
3103 cat > $TMPSH 2>> $logfile <<EOF
3104 #! /bin/sh
3105 EOF
3106 chmod +x $TMPSH >> $logfile 2>&1
3107 if ! $TMPSH >> $logfile 2>&1; then
3108 cat <<EOF
3109 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3110 variable to another directory and make sure that it is not mounted noexec.
3111 EOF
3112 die "Sanity test failed."
3113 fi
3114
3115 armasm_flags(){
3116 for flag; do
3117 case $flag in
3118 # Filter out MSVC cl.exe options from cflags that shouldn't
3119 # be passed to gas-preprocessor
3120 -M[TD]*) ;;
3121 *) echo $flag ;;
3122 esac
3123 done
3124 }
3125
3126 ccc_flags(){
3127 for flag; do
3128 case $flag in
3129 -std=c99) echo -c99 ;;
3130 -mcpu=*) echo -arch ${flag#*=} ;;
3131 -mieee) echo -ieee ;;
3132 -O*|-fast) echo $flag ;;
3133 -fno-math-errno) echo -assume nomath_errno ;;
3134 -g) echo -g3 ;;
3135 -Wall) echo -msg_enable level2 ;;
3136 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3137 -Wl,*) echo $flag ;;
3138 -f*|-W*) ;;
3139 *) echo $flag ;;
3140 esac
3141 done
3142 }
3143
3144 cparser_flags(){
3145 for flag; do
3146 case $flag in
3147 -Wno-switch) echo -Wno-switch-enum ;;
3148 -Wno-format-zero-length) ;;
3149 -Wdisabled-optimization) ;;
3150 -Wno-pointer-sign) echo -Wno-other ;;
3151 *) echo $flag ;;
3152 esac
3153 done
3154 }
3155
3156 msvc_common_flags(){
3157 for flag; do
3158 case $flag in
3159 # In addition to specifying certain flags under the compiler
3160 # specific filters, they must be specified here as well or else the
3161 # generic catch all at the bottom will print the original flag.
3162 -Wall) ;;
3163 -Wextra) ;;
3164 -std=c99) ;;
3165 # Common flags
3166 -fomit-frame-pointer) ;;
3167 -g) echo -Z7 ;;
3168 -fno-math-errno) ;;
3169 -fno-common) ;;
3170 -fno-signed-zeros) ;;
3171 -fPIC) ;;
3172 -mthumb) ;;
3173 -march=*) ;;
3174 -lz) echo zlib.lib ;;
3175 -lx264) echo libx264.lib ;;
3176 -l*) echo ${flag#-l}.lib ;;
3177 -L*) echo -libpath:${flag#-L} ;;
3178 *) echo $flag ;;
3179 esac
3180 done
3181 }
3182
3183 msvc_flags(){
3184 msvc_common_flags "$@"
3185 for flag; do
3186 case $flag in
3187 -Wall) echo -W3 -wd4018 -wd4146 -wd4244 -wd4305 \
3188 -wd4554 ;;
3189 -Wextra) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3190 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3191 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3192 -wd4273 -wd4554 -wd4701 -wd4703 ;;
3193 esac
3194 done
3195 }
3196
3197 icl_flags(){
3198 msvc_common_flags "$@"
3199 for flag; do
3200 case $flag in
3201 # Despite what Intel's documentation says -Wall, which is supported
3202 # on Windows, does enable remarks so disable them here.
3203 -Wall) echo $flag -Qdiag-disable:remark ;;
3204 -std=c99) echo -Qstd=c99 ;;
3205 esac
3206 done
3207 }
3208
3209 pgi_flags(){
3210 for flag; do
3211 case $flag in
3212 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3213 -fomit-frame-pointer) echo -Mnoframe ;;
3214 -g) echo -gopt ;;
3215 *) echo $flag ;;
3216 esac
3217 done
3218 }
3219
3220 suncc_flags(){
3221 for flag; do
3222 case $flag in
3223 -march=*|-mcpu=*)
3224 case "${flag#*=}" in
3225 native) echo -xtarget=native ;;
3226 v9|niagara) echo -xarch=sparc ;;
3227 ultrasparc) echo -xarch=sparcvis ;;
3228 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3229 i586|pentium) echo -xchip=pentium ;;
3230 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3231 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3232 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3233 pentium4*) echo -xtarget=pentium4 ;;
3234 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3235 *-sse3) echo -xarch=sse3 ;;
3236 core2) echo -xarch=ssse3 -xchip=core2 ;;
3237 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
3238 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
3239 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
3240 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3241 k8|opteron|athlon64|athlon-fx)
3242 echo -xarch=sse2a ;;
3243 athlon*) echo -xarch=pentium_proa ;;
3244 esac
3245 ;;
3246 -std=c99) echo -xc99 ;;
3247 -fomit-frame-pointer) echo -xregs=frameptr ;;
3248 -fPIC) echo -KPIC -xcode=pic32 ;;
3249 -W*,*) echo $flag ;;
3250 -f*-*|-W*|-mimpure-text) ;;
3251 -shared) echo -G ;;
3252 *) echo $flag ;;
3253 esac
3254 done
3255 }
3256
3257 tms470_flags(){
3258 for flag; do
3259 case $flag in
3260 -march=*|-mcpu=*)
3261 case "${flag#*=}" in
3262 armv7-a|cortex-a*) echo -mv=7a8 ;;
3263 armv7-r|cortex-r*) echo -mv=7r4 ;;
3264 armv7-m|cortex-m*) echo -mv=7m3 ;;
3265 armv6*|arm11*) echo -mv=6 ;;
3266 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3267 echo -mv=5e ;;
3268 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3269 esac
3270 ;;
3271 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3272 -mfpu=vfp) echo --float_support=vfpv2 ;;
3273 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3274 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3275 -msoft-float) echo --float_support=vfplib ;;
3276 -O[0-3]|-mf=*) echo $flag ;;
3277 -g) echo -g -mn ;;
3278 -pds=*) echo $flag ;;
3279 -D*|-I*) echo $flag ;;
3280 --gcc|--abi=*) echo $flag ;;
3281 -me) echo $flag ;;
3282 esac
3283 done
3284 }
3285
3286 probe_cc(){
3287 pfx=$1
3288 _cc=$2
3289
3290 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3291 unset _ld_o _ldflags _ld_lib _ld_path
3292 unset _depflags _DEPCMD _DEPFLAGS
3293 _flags_filter=echo
3294
3295 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3296 _type=llvm_gcc
3297 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3298 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3299 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3300 _cflags_speed='-O3'
3301 _cflags_size='-Os'
3302 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3303 _type=gcc
3304 gcc_version=$($_cc --version | head -n1)
3305 gcc_basever=$($_cc -dumpversion)
3306 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3307 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3308 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3309 if ! $_cc -dumpversion | grep -q '^2\.'; then
3310 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3311 fi
3312 _cflags_speed='-O3'
3313 _cflags_size='-Os'
3314 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3315 _type=icc
3316 _ident=$($_cc --version | head -n1)
3317 _depflags='-MMD'
3318 _cflags_speed='-O3'
3319 _cflags_size='-Os'
3320 _cflags_noopt='-O1'
3321 elif $_cc -v 2>&1 | grep -q xlc; then
3322 _type=xlc
3323 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3324 _cflags_speed='-O5'
3325 _cflags_size='-O5 -qcompact'
3326 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3327 _type=ccc
3328 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3329 _DEPFLAGS='-M'
3330 _cflags_speed='-fast'
3331 _cflags_size='-O1'
3332 _flags_filter=ccc_flags
3333 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3334 test -d "$sysroot" || die "No valid sysroot specified."
3335 _type=armcc
3336 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3337 armcc_conf="$PWD/armcc.conf"
3338 $_cc --arm_linux_configure \
3339 --arm_linux_config_file="$armcc_conf" \
3340 --configure_sysroot="$sysroot" \
3341 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3342 die "Error creating armcc configuration file."
3343 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3344 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3345 as_default="${cross_prefix}gcc"
3346 _depflags='-MMD'
3347 _cflags_speed='-O3'
3348 _cflags_size='-Os'
3349 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3350 _type=tms470
3351 _ident=$($_cc -version | head -n1 | tr -s ' ')
3352 _flags='--gcc --abi=eabi -me'
3353 _cc_e='-ppl -fe=$@'
3354 _cc_o='-fe=$@'
3355 _depflags='-ppa -ppd=$(@:.o=.d)'
3356 _cflags_speed='-O3 -mf=5'
3357 _cflags_size='-O3 -mf=2'
3358 _flags_filter=tms470_flags
3359 elif $_cc -v 2>&1 | grep -q clang; then
3360 _type=clang
3361 _ident=$($_cc --version 2>/dev/null | head -n1)
3362 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3363 _cflags_speed='-O3'
3364 _cflags_size='-Os'
3365 elif $_cc -V 2>&1 | grep -q Sun; then
3366 _type=suncc
3367 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3368 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3369 _DEPFLAGS='-xM1 -xc99'
3370 _ldflags='-std=c99'
3371 _cflags_speed='-O5'
3372 _cflags_size='-O5 -xspace'
3373 _flags_filter=suncc_flags
3374 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3375 _type=pathscale
3376 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3377 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3378 _cflags_speed='-O2'
3379 _cflags_size='-Os'
3380 _flags_filter='filter_out -Wdisabled-optimization'
3381 elif $_cc -v 2>&1 | grep -q Open64; then
3382 _type=open64
3383 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3384 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3385 _cflags_speed='-O2'
3386 _cflags_size='-Os'
3387 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3388 elif $_cc -V 2>&1 | grep -q Portland; then
3389 _type=pgi
3390 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3391 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3392 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3393 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3394 _cflags_noopt="-O1"
3395 _flags_filter=pgi_flags
3396 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3397 _type=armasm
3398 _ident=$($_cc | head -n1)
3399 # 4509: "This form of conditional instruction is deprecated"
3400 _flags="-nologo -ignore 4509"
3401 _flags_filter=armasm_flags
3402 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3403 _type=msvc
3404 _ident=$($_cc 2>&1 | head -n1)
3405 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3406 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3407 _cflags_speed="-O2"
3408 _cflags_size="-O1"
3409 _cflags_noopt="-O1"
3410 if $_cc -nologo- 2>&1 | grep -q Linker; then
3411 _ld_o='-out:$@'
3412 else
3413 _ld_o='-Fe$@'
3414 fi
3415 _cc_o='-Fo$@'
3416 _cc_e='-P -Fi$@'
3417 _flags_filter=msvc_flags
3418 _ld_lib='lib%.a'
3419 _ld_path='-libpath:'
3420 _flags='-nologo'
3421 elif $_cc 2>&1 | grep -q Intel; then
3422 _type=icl
3423 _ident=$($_cc 2>&1 | head -n1)
3424 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3425 # Not only is O3 broken on 13.x+ but it is slower on all previous
3426 # versions (tested) as well.
3427 _cflags_speed="-O2"
3428 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3429 if $_cc 2>&1 | grep -q Linker; then
3430 _ld_o='-out:$@'
3431 else
3432 _ld_o='-Fe$@'
3433 fi
3434 _cc_o='-Fo$@'
3435 _cc_e='-P'
3436 _flags_filter=icl_flags
3437 _ld_lib='lib%.a'
3438 _ld_path='-libpath:'
3439 # -Qdiag-error to make icl error when seeing certain unknown arguments
3440 _flags='-nologo -Qdiag-error:4044,10157'
3441 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3442 # with MSVC which enables it by default.
3443 _cflags='-Qms0 -Qvec- -Qsimd- -GS'
3444 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
3445 # lld can emulate multiple different linkers; in ms link.exe mode,
3446 # the -? parameter gives the help output which contains an identifyable
3447 # string, while it gives an error in other modes.
3448 _type=lld-link
3449 # The link.exe mode doesn't have a switch for getting the version,
3450 # but we can force it back to gnu mode and get the version from there.
3451 _ident=$($_cc -flavor gnu --version 2>/dev/null)
3452 _ld_o='-out:$@'
3453 _flags_filter=msvc_flags
3454 _ld_lib='lib%.a'
3455 _ld_path='-libpath:'
3456 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3457 _type=cparser
3458 _ident=$($_cc --version | head -n1)
3459 _depflags='-MMD'
3460 _cflags_speed='-O4'
3461 _cflags_size='-O2'
3462 _flags_filter=cparser_flags
3463 fi
3464
3465 eval ${pfx}_type=\$_type
3466 eval ${pfx}_ident=\$_ident
3467 }
3468
3469 set_ccvars(){
3470 eval ${1}_C=\${_cc_c-\${${1}_C}}
3471 eval ${1}_E=\${_cc_e-\${${1}_E}}
3472 eval ${1}_O=\${_cc_o-\${${1}_O}}
3473
3474 if [ -n "$_depflags" ]; then
3475 eval ${1}_DEPFLAGS=\$_depflags
3476 else
3477 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3478 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3479 eval DEP${1}FLAGS=\$_flags
3480 fi
3481 }
3482
3483 probe_cc cc "$cc"
3484 cflags_filter=$_flags_filter
3485 cflags_speed=$_cflags_speed
3486 cflags_size=$_cflags_size
3487 cflags_noopt=$_cflags_noopt
3488 add_cflags $_flags $_cflags
3489 cc_ldflags=$_ldflags
3490 set_ccvars CC
3491
3492 probe_cc hostcc "$host_cc"
3493 host_cflags_filter=$_flags_filter
3494 host_cflags_speed=$_cflags_speed
3495 add_host_cflags $_flags $_cflags
3496 set_ccvars HOSTCC
3497
3498 test -n "$cc_type" && enable $cc_type ||
3499 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3500
3501 : ${as_default:=$cc}
3502 : ${objcc_default:=$cc}
3503 : ${dep_cc_default:=$cc}
3504 : ${ld_default:=$cc}
3505 : ${host_ld_default:=$host_cc}
3506 set_default ar as objcc dep_cc ld host_ld
3507
3508 probe_cc as "$as"
3509 asflags_filter=$_flags_filter
3510 add_asflags $_flags $_cflags
3511 set_ccvars AS
3512
3513 probe_cc objcc "$objcc"
3514 objcflags_filter=$_flags_filter
3515 add_objcflags $_flags $_cflags
3516 set_ccvars OBJC
3517
3518 probe_cc ld "$ld"
3519 ldflags_filter=$_flags_filter
3520 add_ldflags $_flags $_ldflags
3521 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3522 LD_O=${_ld_o-$LD_O}
3523 LD_LIB=${_ld_lib-$LD_LIB}
3524 LD_PATH=${_ld_path-$LD_PATH}
3525
3526 probe_cc hostld "$host_ld"
3527 host_ldflags_filter=$_flags_filter
3528 add_host_ldflags $_flags $_ldflags
3529 HOSTLD_O=${_ld_o-$HOSTLD_O}
3530
3531 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3532 probe_cc depcc "$dep_cc"
3533 CCDEP=${_DEPCMD:-$DEPCMD}
3534 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3535 DEPCCFLAGS=$_flags
3536 fi
3537
3538 if $ar 2>&1 | grep -q Microsoft; then
3539 arflags="-nologo"
3540 ar_o='-out:$@'
3541 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3542 arflags="rq"
3543 ar_o='$@'
3544 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3545 arflags='-Xany -r -c'
3546 ar_o='$@'
3547 else
3548 arflags="rc"
3549 ar_o='$@'
3550 fi
3551
3552 add_cflags $extra_cflags
3553 add_objcflags $extra_objcflags
3554 add_asflags $extra_cflags
3555
3556 if test -n "$sysroot"; then
3557 case "$cc_type" in
3558 gcc|llvm_gcc|clang)
3559 add_cppflags --sysroot="$sysroot"
3560 add_ldflags --sysroot="$sysroot"
3561 ;;
3562 tms470)
3563 add_cppflags -I"$sysinclude"
3564 add_ldflags --sysroot="$sysroot"
3565 ;;
3566 esac
3567 fi
3568
3569 if test "$cpu" = host; then
3570 enabled cross_compile &&
3571 die "--cpu=host makes no sense when cross-compiling."
3572
3573 case "$cc_type" in
3574 gcc|llvm_gcc)
3575 check_native(){
3576 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3577 sed -n "/cc1.*$1=/{
3578 s/.*$1=\\([^ ]*\\).*/\\1/
3579 p
3580 q
3581 }" $TMPE
3582 }
3583 cpu=$(check_native -march || check_native -mcpu)
3584 ;;
3585 esac
3586
3587 test "${cpu:-host}" = host &&
3588 die "--cpu=host not supported with compiler $cc"
3589 fi
3590
3591 # Deal with common $arch aliases
3592 case "$arch" in
3593 aarch64|arm64)
3594 arch="aarch64"
3595 ;;
3596 arm*)
3597 arch="arm"
3598 ;;
3599 mips*|IP*)
3600 case "$arch" in
3601 *el)
3602 add_cppflags -EL
3603 add_ldflags -EL
3604 ;;
3605 *eb)
3606 add_cppflags -EB
3607 add_ldflags -EB
3608 ;;
3609 esac
3610 arch="mips"
3611 ;;
3612 parisc*|hppa*)
3613 arch="parisc"
3614 ;;
3615 "Power Macintosh"|ppc*|powerpc*)
3616 arch="ppc"
3617 ;;
3618 s390|s390x)
3619 arch="s390"
3620 ;;
3621 sh4|sh)
3622 arch="sh4"
3623 ;;
3624 sun4u|sparc*)
3625 arch="sparc"
3626 ;;
3627 tilegx|tile-gx)
3628 arch="tilegx"
3629 ;;
3630 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3631 arch="x86"
3632 ;;
3633 esac
3634
3635 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3636 enable $arch
3637
3638 # Add processor-specific flags
3639 if enabled aarch64; then
3640
3641 case $cpu in
3642 armv*)
3643 cpuflags="-march=$cpu"
3644 ;;
3645 *)
3646 cpuflags="-mcpu=$cpu"
3647 ;;
3648 esac
3649
3650 elif enabled alpha; then
3651
3652 cpuflags="-mcpu=$cpu"
3653
3654 elif enabled arm; then
3655
3656 check_arm_arch() {
3657 check_cpp_condition stddef.h \
3658 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3659 $cpuflags
3660 }
3661
3662 probe_arm_arch() {
3663 if check_arm_arch 4; then echo armv4
3664 elif check_arm_arch 4T; then echo armv4t
3665 elif check_arm_arch 5; then echo armv5
3666 elif check_arm_arch 5E; then echo armv5e
3667 elif check_arm_arch 5T; then echo armv5t
3668 elif check_arm_arch 5TE; then echo armv5te
3669 elif check_arm_arch 5TEJ; then echo armv5te
3670 elif check_arm_arch 6; then echo armv6
3671 elif check_arm_arch 6J; then echo armv6j
3672 elif check_arm_arch 6K; then echo armv6k
3673 elif check_arm_arch 6Z; then echo armv6z
3674 elif check_arm_arch 6ZK; then echo armv6zk
3675 elif check_arm_arch 6T2; then echo armv6t2
3676 elif check_arm_arch 7; then echo armv7
3677 elif check_arm_arch 7A 7_A; then echo armv7-a
3678 elif check_arm_arch 7S; then echo armv7-a
3679 elif check_arm_arch 7R 7_R; then echo armv7-r
3680 elif check_arm_arch 7M 7_M; then echo armv7-m
3681 elif check_arm_arch 7EM 7E_M; then echo armv7-m
3682 elif check_arm_arch 8A 8_A; then echo armv8-a
3683 fi
3684 }
3685
3686 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3687
3688 case $cpu in
3689 armv*)
3690 cpuflags="-march=$cpu"
3691 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3692 ;;
3693 *)
3694 cpuflags="-mcpu=$cpu"
3695 case $cpu in
3696 cortex-a*) subarch=armv7a ;;
3697 cortex-r*) subarch=armv7r ;;
3698 cortex-m*) enable thumb; subarch=armv7m ;;
3699 arm11*) subarch=armv6 ;;
3700 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3701 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3702 *) subarch=$(probe_arm_arch) ;;
3703 esac
3704 ;;
3705 esac
3706
3707 case "$subarch" in
3708 armv5t*) enable fast_clz ;;
3709 armv[6-8]*) enable fast_clz fast_unaligned ;;
3710 esac
3711
3712 elif enabled avr32; then
3713
3714 case $cpu in
3715 ap7[02]0[0-2])
3716 subarch="avr32_ap"
3717 cpuflags="-mpart=$cpu"
3718 ;;
3719 ap)
3720 subarch="avr32_ap"
3721 cpuflags="-march=$cpu"
3722 ;;
3723 uc3[ab]*)
3724 subarch="avr32_uc"
3725 cpuflags="-mcpu=$cpu"
3726 ;;
3727 uc)
3728 subarch="avr32_uc"
3729 cpuflags="-march=$cpu"
3730 ;;
3731 esac
3732
3733 elif enabled bfin; then
3734
3735 cpuflags="-mcpu=$cpu"
3736
3737 elif enabled mips; then
3738
3739 cpuflags="-march=$cpu"
3740
3741 elif enabled ppc; then
3742
3743 disable ldbrx
3744
3745 case $(tolower $cpu) in
3746 601|ppc601|powerpc601)
3747 cpuflags="-mcpu=601"
3748 disable altivec
3749 ;;
3750 603*|ppc603*|powerpc603*)
3751 cpuflags="-mcpu=603"
3752 disable altivec
3753 ;;
3754 604*|ppc604*|powerpc604*)
3755 cpuflags="-mcpu=604"
3756 disable altivec
3757 ;;
3758 g3|75*|ppc75*|powerpc75*)
3759 cpuflags="-mcpu=750"
3760 disable altivec
3761 ;;
3762 g4|745*|ppc745*|powerpc745*)
3763 cpuflags="-mcpu=7450"
3764 disable vsx
3765 ;;
3766 74*|ppc74*|powerpc74*)
3767 cpuflags="-mcpu=7400"
3768 disable vsx
3769 ;;
3770 g5|970|ppc970|powerpc970)
3771 cpuflags="-mcpu=970"
3772 disable vsx
3773 ;;
3774 power[3-6]*)
3775 cpuflags="-mcpu=$cpu"
3776 disable vsx
3777 ;;
3778 power[7-8]*)
3779 cpuflags="-mcpu=$cpu"
3780 enable ldbrx
3781 ;;
3782 cell)
3783 cpuflags="-mcpu=cell"
3784 enable ldbrx
3785 disable vsx
3786 ;;
3787 e500mc)
3788 cpuflags="-mcpu=e500mc"
3789 disable altivec
3790 ;;
3791 e500v2)
3792 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3793 disable altivec
3794 disable dcbzl
3795 ;;
3796 e500)
3797 cpuflags="-mcpu=8540 -mhard-float"
3798 disable altivec
3799 disable dcbzl
3800 ;;
3801 esac
3802
3803 elif enabled sparc; then
3804
3805 case $cpu in
3806 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3807 cpuflags="-mcpu=$cpu"
3808 ;;
3809 ultrasparc*|niagara[234])
3810 cpuflags="-mcpu=$cpu"
3811 ;;
3812 esac
3813
3814 elif enabled x86; then
3815
3816 case $cpu in
3817 i[345]86|pentium)
3818 cpuflags="-march=$cpu"
3819 disable i686
3820 disable mmx
3821 ;;
3822 # targets that do NOT support nopl and conditional mov (cmov)
3823 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3824 cpuflags="-march=$cpu"
3825 disable i686
3826 ;;
3827 # targets that do support nopl and conditional mov (cmov)
3828 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3829 cpuflags="-march=$cpu"
3830 enable i686
3831 enable fast_cmov
3832 ;;
3833 # targets that do support conditional mov but on which it's slow
3834 pentium4|pentium4m|prescott|nocona)
3835 cpuflags="-march=$cpu"
3836 enable i686
3837 disable fast_cmov
3838 ;;
3839 esac
3840
3841 fi
3842
3843 if [ "$cpu" != generic ]; then
3844 add_cflags $cpuflags
3845 add_asflags $cpuflags
3846 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
3847 fi
3848
3849 # compiler sanity check
3850 check_exec <<EOF
3851 int main(void){ return 0; }
3852 EOF
3853 if test "$?" != 0; then
3854 echo "$cc is unable to create an executable file."
3855 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3856 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3857 echo "Only do this if you know what cross compiling means."
3858 fi
3859 die "C compiler test failed."
3860 fi
3861
3862 add_cppflags -D_ISOC99_SOURCE
3863
3864 # some compilers silently accept -std=c11, so we also need to check that the
3865 # version macro is defined properly
3866 check_cpp_condition stdlib.h "__STDC_VERSION__ >= 201112L" -std=c11 &&
3867 add_cflags -std=c11 ||
3868 check_cflags -std=c99
3869
3870 check_cppflags -D_FILE_OFFSET_BITS=64
3871 check_cppflags -D_LARGEFILE_SOURCE
3872
3873 add_host_cppflags -D_ISOC99_SOURCE
3874 check_host_cflags -std=c99
3875 check_host_cflags -Wall
3876 check_host_cflags $host_cflags_speed
3877
3878 check_64bit(){
3879 arch32=$1
3880 arch64=$2
3881 expr=$3
3882 check_code cc "" "int test[2*($expr) - 1]" &&
3883 subarch=$arch64 || subarch=$arch32
3884 }
3885
3886 case "$arch" in
3887 aarch64|alpha|ia64)
3888 spic=$shared
3889 ;;
3890 mips)
3891 check_64bit mips mips64 '_MIPS_SIM > 1'
3892 spic=$shared
3893 ;;
3894 parisc)
3895 check_64bit parisc parisc64 'sizeof(void *) > 4'
3896 spic=$shared
3897 ;;
3898 ppc)
3899 check_64bit ppc ppc64 'sizeof(void *) > 4'
3900 spic=$shared
3901 ;;
3902 s390)
3903 check_64bit s390 s390x 'sizeof(void *) > 4'
3904 spic=$shared
3905 ;;
3906 sparc)
3907 check_64bit sparc sparc64 'sizeof(void *) > 4'
3908 spic=$shared
3909 ;;
3910 x86)
3911 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3912 if test "$subarch" = "x86_64"; then
3913 spic=$shared
3914 fi
3915 ;;
3916 esac
3917
3918 enable $subarch
3919 enabled spic && enable_weak pic
3920
3921 enabled x86_64 && objformat=elf64 || objformat="elf32"
3922
3923 # OS specific
3924 case $target_os in
3925 aix)
3926 SHFLAGS=-shared
3927 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3928 enabled shared && add_ldflags -Wl,-brtl
3929 ;;
3930 android)
3931 disable symver
3932 enable section_data_rel_ro
3933 SLIB_INSTALL_NAME='$(SLIBNAME)'
3934 SLIB_INSTALL_LINKS=
3935 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
3936 ;;
3937 haiku)
3938 prefix_default="/boot/common"
3939 network_extralibs="-lnetwork"
3940 host_extralibs=
3941 ;;
3942 sunos)
3943 SHFLAGS='-shared -Wl,-h,$$(@F)'
3944 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3945 network_extralibs="-lsocket -lnsl"
3946 # When using suncc to build, the Solaris linker will mark
3947 # an executable with each instruction set encountered by
3948 # the Solaris assembler. As our libraries contain their own
3949 # guards for processor-specific code, instead suppress
3950 # generation of the HWCAPS ELF section on Solaris x86 only.
3951 enabled_all suncc x86 &&
3952 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3953 add_ldflags -Wl,-M,mapfile
3954 nm_default='nm -P -g'
3955 version_script='-M'
3956 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
3957 ;;
3958 netbsd)
3959 disable symver
3960 oss_indev_extralibs="-lossaudio"
3961 oss_outdev_extralibs="-lossaudio"
3962 ;;
3963 openbsd|bitrig)
3964 disable symver
3965 SHFLAGS='-shared'
3966 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3967 SLIB_INSTALL_LINKS=
3968 oss_indev_extralibs="-lossaudio"
3969 oss_outdev_extralibs="-lossaudio"
3970 ;;
3971 dragonfly)
3972 disable symver
3973 ;;
3974 freebsd)
3975 ;;
3976 bsd/os)
3977 add_extralibs -lpoll -lgnugetopt
3978 ;;
3979 darwin)
3980 enabled ppc && add_asflags -force_cpusubtype_ALL
3981 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3982 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3983 add_ldflags -Wl,-dynamic,-search_paths_first
3984 check_cflags -Werror=partial-availability
3985 SLIBSUF=".dylib"
3986 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
3987 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
3988 enabled x86_64 && objformat="macho64" || objformat="macho32"
3989 enabled_any pic shared ||
3990 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3991 check_header dispatch/dispatch.h &&
3992 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
3993 if test -n "$sysroot"; then
3994 is_in -isysroot $cc $CPPFLAGS $CFLAGS || check_cppflags -isysroot $sysroot
3995 is_in -isysroot $ld $LDFLAGS || check_ldflags -isysroot $sysroot
3996 fi
3997 ;;
3998 msys*)
3999 die "Native MSYS builds are discouraged, please use the MINGW environment."
4000 ;;
4001 mingw32*|mingw64*)
4002 if test $target_os = "mingw32ce"; then
4003 disable network
4004 else
4005 target_os=mingw32
4006 fi
4007 LIBTARGET=i386
4008 if enabled x86_64; then
4009 LIBTARGET="i386:x86-64"
4010 elif enabled arm; then
4011 LIBTARGET=arm-wince
4012 fi
4013 check_ldflags -Wl,--nxcompat
4014 check_ldflags -Wl,--dynamicbase
4015 shlibdir_default="$bindir_default"
4016 SLIBPREF=""
4017 SLIBSUF=".dll"
4018 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4019 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
4020 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4021 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4022 SLIB_INSTALL_LINKS=
4023 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4024 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4025 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
4026 enabled x86_64 && objformat="win64" || objformat="win32"
4027 dlltool="${cross_prefix}dlltool"
4028 ranlib=:
4029 enable dos_paths
4030 ;;
4031 win32|win64)
4032 disable symver
4033 if enabled shared; then
4034 # Link to the import library instead of the normal static library
4035 # for shared libs.
4036 LD_LIB='%.lib'
4037 # Cannot build both shared and static libs with MSVC or icl.
4038 disable static
4039 fi
4040 shlibdir_default="$bindir_default"
4041 SLIBPREF=""
4042 SLIBSUF=".dll"
4043 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4044 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
4045 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4046 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4047 SLIB_INSTALL_LINKS=
4048 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4049 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4050 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4051 enabled x86_64 && objformat="win64" || objformat="win32"
4052 ranlib=:
4053 enable dos_paths
4054 ;;
4055 cygwin*)
4056 target_os=cygwin
4057 shlibdir_default="$bindir_default"
4058 SLIBPREF="cyg"
4059 SLIBSUF=".dll"
4060 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4061 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
4062 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4063 SLIB_INSTALL_LINKS=
4064 SLIB_INSTALL_EXTRA_LIB='lib$(NAME).dll.a'
4065 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(NAME).dll.a'
4066 enabled x86_64 && objformat="win64" || objformat="win32"
4067 enable dos_paths
4068 ;;
4069 *-dos|freedos|opendos)
4070 network_extralibs="-lsocket"
4071 objformat="coff"
4072 enable dos_paths
4073 add_cppflags -U__STRICT_ANSI__
4074 ;;
4075 linux)
4076 enable dv1394
4077 enable section_data_rel_ro
4078 ;;
4079 irix*)
4080 target_os=irix
4081 ranlib="echo ignoring ranlib"
4082 ;;
4083 os/2*)
4084 ln_s="cp -f"
4085 objformat="aout"
4086 add_cppflags -D_GNU_SOURCE
4087 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap
4088 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4089 LIBSUF="_s.a"
4090 SLIBPREF=""
4091 SLIBSUF=".dll"
4092 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4093 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4094 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4095 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4096 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4097 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4098 emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'
4099 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4100 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4101 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4102 enable dos_paths
4103 ;;
4104 gnu/kfreebsd)
4105 add_cppflags -D_BSD_SOURCE
4106 ;;
4107 gnu)
4108 ;;
4109 qnx)
4110 add_cppflags -D_QNX_SOURCE
4111 network_extralibs="-lsocket"
4112 ;;
4113 symbian)
4114 SLIBSUF=".dll"
4115 enable dos_paths
4116 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4117 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4118 add_ldflags -Wl,--target1-abs,--no-undefined \
4119 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4120 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4121 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4122 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4123 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4124 ;;
4125 osf1)
4126 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4127 ;;
4128 minix)
4129 ;;
4130 none)
4131 ;;
4132 *)
4133 die "Unknown OS '$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 ${CPPFLAGS}"
4234 add_cppflags -D__USER_LABEL_PREFIX__=
4235 add_cppflags -D__builtin_memset=memset
4236 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4237 add_cflags -pds=48 # incompatible redefinition of macro
4238 elif enabled ccc; then
4239 add_ldflags -Wl,-z,now # calls to libots crash without this
4240 fi
4241 ;;
4242 esac
4243
4244 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4245 add_cppflags '-I\$(SRC_PATH)/compat/float'
4246
4247 esc(){
4248 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4249 }
4250
4251 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" > avbuild/config.fate
4252
4253 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4254
4255 set_default $PATHS_LIST
4256 set_default nm
4257
4258 # we need to build at least one lib type
4259 if ! enabled_any static shared; then
4260 cat <<EOF
4261 At least one library type must be built.
4262 Specify --enable-static to build the static libraries or --enable-shared to
4263 build the shared libraries as well. To only build the shared libraries specify
4264 --disable-static in addition to --enable-shared.
4265 EOF
4266 exit 1
4267 fi
4268
4269 disabled optimizations || check_cflags -fomit-frame-pointer
4270
4271 enable_weak_pic() {
4272 disabled pic && return
4273 enable pic
4274 add_cppflags -DPIC
4275 case "$target_os" in
4276 mingw*|cygwin*)
4277 ;;
4278 *)
4279 add_cflags -fPIC
4280 ;;
4281 esac
4282 add_asflags -fPIC
4283 }
4284
4285 enabled pic && enable_weak_pic
4286
4287 check_cc <<EOF || die "Symbol mangling check failed."
4288 int ff_extern;
4289 EOF
4290 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4291 extern_prefix=${sym%%ff_extern*}
4292
4293 ! disabled inline_asm && check_inline_asm inline_asm '"" ::'
4294
4295 _restrict=
4296 for restrict_keyword in restrict __restrict__ __restrict; do
4297 check_cc <<EOF && _restrict=$restrict_keyword && break
4298 void foo(char * $restrict_keyword p);
4299 EOF
4300 done
4301
4302 check_cc <<EOF && enable pragma_deprecated
4303 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4304 EOF
4305
4306 check_cc <<EOF && enable attribute_packed
4307 struct { int x; } __attribute__((packed)) x;
4308 EOF
4309
4310 check_cc <<EOF && enable attribute_may_alias
4311 union { int x; } __attribute__((may_alias)) x;
4312 EOF
4313
4314 check_cc <<EOF || die "endian test failed"
4315 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4316 EOF
4317 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4318
4319 check_gas() {
4320 log "check_gas using '$as' as AS"
4321 # :vararg is used on aarch64, arm and ppc altivec
4322 check_as <<EOF || return 1
4323 .macro m n, y:vararg=0
4324 \n: .int \y
4325 .endm
4326 m x
4327 EOF
4328 # .altmacro is only used in arm asm
4329 ! enabled arm || check_as <<EOF || return 1
4330 .altmacro
4331 EOF
4332 enable gnu_as
4333 return 0
4334 }
4335
4336 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
4337 nogas=:
4338 enabled_any arm aarch64 && nogas=die
4339 enabled_all ppc altivec && nogas=warn
4340 as_noop=-v
4341
4342 case $as_type in
4343 arm*) gaspp_as_type=armasm; as_noop=-h ;;
4344 gcc) gaspp_as_type=gas ;;
4345 *) gaspp_as_type=$as_type ;;
4346 esac
4347
4348 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
4349
4350 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- $as $as_noop &&
4351 gas="gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- $as"
4352
4353 if ! check_gas ; then
4354 as=${gas:=$as}
4355 check_gas || \
4356 $nogas "GNU assembler not found, install/update gas-preprocessor"
4357 fi
4358
4359 check_as <<EOF && enable as_func
4360 .func test
4361 .endfunc
4362 EOF
4363 fi
4364
4365 check_inline_asm inline_asm_labels '"1:\n"'
4366
4367 if enabled aarch64; then
4368 enabled armv8