tls: Hide backend implementation details from users
[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-libs=ELIBS add ELIBS [$ELIBS]
287 --extra-version=STRING version string suffix []
288 --optflags=OPTFLAGS override optimization-related compiler flags
289 --enable-pic build position-independent code
290 --enable-thumb compile for Thumb instruction set
291 --enable-lto use link-time optimization
292 --env="ENV=override" override the environment variables
293
294 Advanced options (experts only):
295 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
296 --custom-allocator=NAME use a supported custom allocator
297 --disable-symver disable symbol versioning
298 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
299 --disable-safe-bitstream-reader
300 disable buffer boundary checking in bitreaders
301 (faster, but may crash)
302 --enable-sram allow use of on-chip SRAM
303
304 Optimization options (experts only):
305 --disable-asm disable all assembly optimizations
306 --disable-altivec disable AltiVec optimizations
307 --disable-vsx disable VSX optimizations
308 --disable-power8 disable POWER8 optimizations
309 --disable-amd3dnow disable 3DNow! optimizations
310 --disable-amd3dnowext disable 3DNow! extended optimizations
311 --disable-mmx disable MMX optimizations
312 --disable-mmxext disable MMXEXT optimizations
313 --disable-sse disable SSE optimizations
314 --disable-sse2 disable SSE2 optimizations
315 --disable-sse3 disable SSE3 optimizations
316 --disable-ssse3 disable SSSE3 optimizations
317 --disable-sse4 disable SSE4 optimizations
318 --disable-sse42 disable SSE4.2 optimizations
319 --disable-avx disable AVX optimizations
320 --disable-xop disable XOP optimizations
321 --disable-fma3 disable FMA3 optimizations
322 --disable-fma4 disable FMA4 optimizations
323 --disable-avx2 disable AVX2 optimizations
324 --disable-armv5te disable armv5te optimizations
325 --disable-armv6 disable armv6 optimizations
326 --disable-armv6t2 disable armv6t2 optimizations
327 --disable-vfp disable VFP optimizations
328 --disable-neon disable NEON optimizations
329 --disable-inline-asm disable use of inline assembly
330 --disable-x86asm disable use of standalone x86 assembly
331
332 Developer options (useful when working on Libav itself):
333 --disable-debug disable debugging symbols
334 --enable-debug=LEVEL set the debug level [$debuglevel]
335 --disable-optimizations disable compiler optimizations
336 --enable-extra-warnings enable more compiler warnings
337 --samples=PATH location of test samples for FATE, if not set use
338 \$LIBAV_SAMPLES at make invocation time.
339 --enable-neon-clobber-test check NEON registers for clobbering (should be
340 used only for debugging purposes)
341 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
342 should be used only for debugging purposes)
343 --enable-random randomly enable/disable components
344 --disable-random
345 --enable-random=LIST randomly enable/disable specific components or
346 --disable-random=LIST component groups. LIST is a comma-separated list
347 of NAME[:PROB] entries where NAME is a component
348 (group) and PROB the probability associated with
349 NAME (default 0.5).
350 --random-seed=VALUE seed value for --enable/disable-random
351 --disable-valgrind-backtrace do not print a backtrace under Valgrind
352 (only applies to --disable-optimizations builds)
353 --ignore-tests=TESTS comma-separated list (without "fate-" prefix
354 in the name) of tests whose result is ignored
355
356 NOTE: Object files are built at the place where configure is launched.
357 EOF
358 exit 0
359 }
360
361 quotes='""'
362
363 log(){
364 echo "$@" >> $logfile
365 }
366
367 log_file(){
368 log BEGIN $1
369 i=1
370 while read line; do
371 printf '%5s %s\n' "${i}" "${line}"
372 i=$(($i+1))
373 done < $1 >> $logfile
374 log END $1
375 }
376
377 echolog(){
378 log "$@"
379 echo "$@"
380 }
381
382 warn(){
383 log "WARNING: $*"
384 WARNINGS="${WARNINGS}WARNING: $*\n"
385 }
386
387 die(){
388 echolog "$@"
389 cat <<EOF
390
391 If you think configure made a mistake, make sure you are using the latest
392 version from Git. If the latest version fails, report the problem to the
393 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
394 EOF
395 if disabled logging; then
396 cat <<EOF
397 Rerun configure with logging enabled (do not use --disable-logging), and
398 include the log this produces with your report.
399 EOF
400 else
401 cat <<EOF
402 Include the log file "$logfile" produced by configure as this will help
403 solving the problem.
404 EOF
405 fi
406 exit 1
407 }
408
409 # Avoid locale weirdness, besides we really just want to translate ASCII.
410 toupper(){
411 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
412 }
413
414 tolower(){
415 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
416 }
417
418 c_escape(){
419 echo "$*" | sed 's/["\\]/\\\0/g'
420 }
421
422 sh_quote(){
423 v=$(echo "$1" | sed "s/'/'\\\\''/g")
424 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
425 echo "$v"
426 }
427
428 cleanws(){
429 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
430 }
431
432 filter(){
433 pat=$1
434 shift
435 for v; do
436 eval "case '$v' in $pat) printf '%s ' '$v' ;; esac"
437 done
438 }
439
440 filter_out(){
441 pat=$1
442 shift
443 for v; do
444 eval "case '$v' in $pat) ;; *) printf '%s ' '$v' ;; esac"
445 done
446 }
447
448 map(){
449 m=$1
450 shift
451 for v; do eval $m; done
452 }
453
454 add_suffix(){
455 suffix=$1
456 shift
457 for v; do echo ${v}${suffix}; done
458 }
459
460 set_all(){
461 value=$1
462 shift
463 for var in $*; do
464 eval $var=$value
465 done
466 }
467
468 set_weak(){
469 value=$1
470 shift
471 for var; do
472 eval : \${$var:=$value}
473 done
474 }
475
476 sanitize_var_name(){
477 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
478 }
479
480 set_sanitized(){
481 var=$1
482 shift
483 eval $(sanitize_var_name "$var")='$*'
484 }
485
486 get_sanitized(){
487 eval echo \$$(sanitize_var_name "$1")
488 }
489
490 pushvar(){
491 for pvar in $*; do
492 eval level=\${${pvar}_level:=0}
493 eval ${pvar}_${level}="\$$pvar"
494 eval ${pvar}_level=$(($level+1))
495 done
496 }
497
498 popvar(){
499 for pvar in $*; do
500 eval level=\${${pvar}_level:-0}
501 test $level = 0 && continue
502 eval level=$(($level-1))
503 eval $pvar="\${${pvar}_${level}}"
504 eval ${pvar}_level=$level
505 eval unset ${pvar}_${level}
506 done
507 }
508
509 enable(){
510 set_all yes $*
511 }
512
513 disable(){
514 set_all no $*
515 }
516
517 enable_weak(){
518 set_weak yes $*
519 }
520
521 disable_weak(){
522 set_weak no $*
523 }
524
525 enable_sanitized(){
526 for var; do
527 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
528 done
529 }
530
531 disable_sanitized(){
532 for var; do
533 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
534 done
535 }
536
537 do_enable_deep(){
538 for var; do
539 enabled $var && continue
540 eval sel="\$${var}_select"
541 eval sgs="\$${var}_suggest"
542 pushvar var sgs
543 enable_deep $sel
544 popvar sgs
545 enable_deep_weak $sgs
546 popvar var
547 done
548 }
549
550 enable_deep(){
551 do_enable_deep $*
552 enable $*
553 }
554
555 enable_deep_weak(){
556 for var; do
557 disabled $var && continue
558 pushvar var
559 do_enable_deep $var
560 popvar var
561 enable_weak $var
562 done
563 }
564
565 enabled(){
566 test "${1#!}" = "$1" && op== || op=!=
567 eval test "x\$${1#!}" $op "xyes"
568 }
569
570 disabled(){
571 test "${1#!}" = "$1" && op== || op=!=
572 eval test "x\$${1#!}" $op "xno"
573 }
574
575 enabled_all(){
576 for opt; do
577 enabled $opt || return 1
578 done
579 }
580
581 disabled_all(){
582 for opt; do
583 disabled $opt || return 1
584 done
585 }
586
587 enabled_any(){
588 for opt; do
589 enabled $opt && return 0
590 done
591 }
592
593 disabled_any(){
594 for opt; do
595 disabled $opt && return 0
596 done
597 return 1
598 }
599
600 set_default(){
601 for opt; do
602 eval : \${$opt:=\$${opt}_default}
603 done
604 }
605
606 is_in(){
607 value=$1
608 shift
609 for var in $*; do
610 [ $var = $value ] && return 0
611 done
612 return 1
613 }
614
615 check_deps(){
616 for cfg; do
617 enabled ${cfg}_checking && die "Circular dependency for $cfg."
618 disabled ${cfg}_checking && continue
619 enable ${cfg}_checking
620 append allopts $cfg
621
622 eval dep_all="\$${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 if enabled $cfg; then
642 enable_deep $dep_sel
643 enable_deep_weak $dep_sgs
644 for dep in $dep_all $dep_any $dep_sgs; do
645 # filter out library deps, these do not belong in extralibs
646 is_in $dep $LIBRARY_LIST && continue
647 enabled $dep && eval append ${cfg}_extralibs ${dep}_extralibs
648 done
649 fi
650
651 disable ${cfg}_checking
652 done
653 }
654
655 print_config(){
656 pfx=$1
657 files=$2
658 shift 2
659 map 'eval echo "$v \${$v:-no}"' "$@" |
660 awk "BEGIN { split(\"$files\", files) }
661 {
662 c = \"$pfx\" toupper(\$1);
663 v = \$2;
664 sub(/yes/, 1, v);
665 sub(/no/, 0, v);
666 for (f in files) {
667 file = files[f];
668 if (file ~ /\\.h\$/) {
669 printf(\"#define %s %d\\n\", c, v) >>file;
670 } else if (file ~ /\\.asm\$/) {
671 printf(\"%%define %s %d\\n\", c, v) >>file;
672 } else if (file ~ /\\.mak\$/) {
673 n = -v ? \"\" : \"!\";
674 printf(\"%s%s=yes\\n\", n, c) >>file;
675 }
676 }
677 }"
678 }
679
680 print_enabled(){
681 suf=$1
682 shift
683 for v; do
684 enabled $v && printf "%s\n" ${v%$suf}
685 done
686 }
687
688 append(){
689 var=$1
690 shift
691 eval "$var=\"\$$var $*\""
692 }
693
694 prepend(){
695 var=$1
696 shift
697 eval "$var=\"$* \$$var\""
698 }
699
700 unique(){
701 var=$1
702 uniq_list=""
703 for tok in $(eval echo \$$var); do
704 uniq_list="$(filter_out $tok $uniq_list) $tok"
705 done
706 eval "$var=\"${uniq_list}\""
707 }
708
709 resolve(){
710 var=$1
711 tmpvar=
712 for entry in $(eval echo \$$var); do
713 tmpvar="$tmpvar $(eval echo \$${entry})"
714 done
715 eval "$var=\"${tmpvar}\""
716 }
717
718 add_cppflags(){
719 append CPPFLAGS "$@"
720 }
721
722 add_cflags(){
723 append CFLAGS $($cflags_filter "$@")
724 }
725
726 add_cflags_headers(){
727 append CFLAGS_HEADERS $($cflags_filter "$@")
728 }
729
730 add_asflags(){
731 append ASFLAGS $($asflags_filter "$@")
732 }
733
734 add_objcflags(){
735 append OBJCFLAGS $($objcflags_filter "$@")
736 }
737
738 add_ldflags(){
739 append LDFLAGS $($ldflags_filter "$@")
740 }
741
742 add_ldexeflags(){
743 append LDEXEFLAGS $($ldflags_filter "$@")
744 }
745
746 add_stripflags(){
747 append STRIPFLAGS "$@"
748 }
749
750 add_extralibs(){
751 prepend extralibs $($ldflags_filter "$@")
752 }
753
754 add_host_cppflags(){
755 append host_cppflags "$@"
756 }
757
758 add_host_cflags(){
759 append host_cflags $($host_cflags_filter "$@")
760 }
761
762 add_host_ldflags(){
763 append host_ldflags $($host_ldflags_filter "$@")
764 }
765
766 add_compat(){
767 append compat_objs $1
768 shift
769 map 'add_cppflags -D$v' "$@"
770 }
771
772 check_cmd(){
773 log "$@"
774 "$@" >> $logfile 2>&1
775 }
776
777 cc_o(){
778 eval printf '%s\\n' $CC_O
779 }
780
781 cc_e(){
782 eval printf '%s\\n' $CC_E
783 }
784
785 check_cc(){
786 log check_cc "$@"
787 cat > $TMPC
788 log_file $TMPC
789 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
790 }
791
792 check_objcc(){
793 log check_objcc "$@"
794 cat > $TMPC
795 log_file $TMPC
796 check_cmd $objcc $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPC
797 }
798
799 check_cpp(){
800 log check_cpp "$@"
801 cat > $TMPC
802 log_file $TMPC
803 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
804 }
805
806 as_o(){
807 eval printf '%s\\n' $AS_O
808 }
809
810 check_as(){
811 log check_as "$@"
812 cat > $TMPS
813 log_file $TMPS
814 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
815 }
816
817 check_inline_asm(){
818 log check_inline_asm "$@"
819 name="$1"
820 code="$2"
821 shift 2
822 disable $name
823 check_cc "$@" <<EOF && enable $name
824 void foo(void){ __asm__ volatile($code); }
825 EOF
826 }
827
828 check_insn(){
829 log check_insn "$@"
830 check_inline_asm ${1}_inline "\"$2\""
831 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
832 }
833
834 check_x86asm(){
835 log check_x86asm "$@"
836 echo "$1" > $TMPS
837 log_file $TMPS
838 shift 1
839 check_cmd $x86asmexe $X86ASMFLAGS "$@" -o $TMPO $TMPS
840 }
841
842 ld_o(){
843 eval printf '%s\\n' $LD_O
844 }
845
846 check_ld(){
847 log check_ld "$@"
848 flags=$(filter_out '-l*' "$@")
849 libs=$(filter '-l*' "$@")
850 check_cc $($cflags_filter $flags) || return
851 flags=$($ldflags_filter $flags)
852 libs=$($ldflags_filter $libs)
853 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
854 }
855
856 print_include(){
857 hdr=$1
858 test "${hdr%.h}" = "${hdr}" &&
859 echo "#include $hdr" ||
860 echo "#include <$hdr>"
861 }
862
863 check_code(){
864 log check_code "$@"
865 check=$1
866 headers=$2
867 code=$3
868 shift 3
869 {
870 for hdr in $headers; do
871 print_include $hdr
872 done
873 echo "int main(void) { $code; return 0; }"
874 } | check_$check "$@"
875 }
876
877 check_cppflags(){
878 log check_cppflags "$@"
879 check_cpp "$@" <<EOF && append CPPFLAGS "$@"
880 #include <stdlib.h>;
881 EOF
882 }
883
884 test_cflags(){
885 log test_cflags "$@"
886 set -- $($cflags_filter "$@")
887 check_cc "$@" <<EOF
888 int x;
889 EOF
890 }
891
892 check_cflags(){
893 log check_cflags "$@"
894 test_cflags "$@" && add_cflags "$@"
895 }
896
897 test_objcflags(){
898 log test_objcflags "$@"
899 set -- $($objcflags_filter "$@")
900 check_objcc "$@" <<EOF
901 int x;
902 EOF
903 }
904
905 check_objcflags(){
906 log check_objcflags "$@"
907 test_objcflags "$@" && add_objcflags "$@"
908 }
909
910 test_ldflags(){
911 log test_ldflags "$@"
912 check_ld "$@" <<EOF
913 int main(void){ return 0; }
914 EOF
915 }
916
917 check_ldflags(){
918 log check_ldflags "$@"
919 test_ldflags "$@" && add_ldflags "$@"
920 }
921
922 test_stripflags(){
923 log test_stripflags "$@"
924 # call check_cc to get a fresh TMPO
925 check_cc <<EOF
926 int main(void) { return 0; }
927 EOF
928 check_cmd $strip $STRIPFLAGS "$@" $TMPO
929 }
930
931 check_stripflags(){
932 log check_stripflags "$@"
933 test_stripflags "$@" && add_stripflags "$@"
934 }
935
936 check_header(){
937 log check_header "$@"
938 header=$1
939 shift
940 disable_sanitized $header
941 check_cpp "$@" <<EOF && enable_sanitized $header
942 #include <$header>
943 int x;
944 EOF
945 }
946
947 check_func(){
948 log check_func "$@"
949 func=$1
950 shift
951 disable $func
952 check_ld "$@" <<EOF && enable $func
953 extern int $func();
954 int main(void){ $func(); }
955 EOF
956 }
957
958 check_mathfunc(){
959 log check_mathfunc "$@"
960 func=$1
961 narg=$2
962 shift 2
963 test $narg = 2 && args="f, g" || args="f"
964 disable $func
965 check_ld "$@" <<EOF && enable $func
966 #include <math.h>
967 float foo(float f, float g) { return $func($args); }
968 int main(void){ return 0; }
969 EOF
970 }
971
972 check_func_headers(){
973 log check_func_headers "$@"
974 headers=$1
975 funcs=$2
976 shift 2
977 {
978 for hdr in $headers; do
979 print_include $hdr
980 done
981 for func in $funcs; do
982 echo "long check_$func(void) { return (long) $func; }"
983 done
984 echo "int main(void) { return 0; }"
985 } | check_ld "$@" && enable $funcs && enable_sanitized $headers
986 }
987
988 check_cpp_condition(){
989 log check_cpp_condition "$@"
990 header=$1
991 condition=$2
992 shift 2
993 check_cpp "$@" <<EOF
994 #include <$header>
995 #if !($condition)
996 #error "unsatisfied condition: $condition"
997 #endif
998 EOF
999 }
1000
1001 test_cflags_cpp(){
1002 log test_cflags_cpp "$@"
1003 flags=$1
1004 condition=$2
1005 shift 2
1006 set -- $($cflags_filter "$flags")
1007 check_cpp "$@" <<EOF
1008 #if !($condition)
1009 #error "unsatisfied condition: $condition"
1010 #endif
1011 EOF
1012 }
1013
1014 check_lib(){
1015 log check_lib "$@"
1016 name="$1"
1017 headers="$2"
1018 funcs="$3"
1019 shift 3
1020 disable $name
1021 check_func_headers "$headers" "$funcs" "$@" &&
1022 enable $name && eval ${name}_extralibs="\$@"
1023 }
1024
1025 check_pkg_config(){
1026 log check_pkg_config "$@"
1027 name="$1"
1028 pkg_version="$2"
1029 pkg="${2%% *}"
1030 headers="$3"
1031 funcs="$4"
1032 shift 4
1033 disable $name
1034 check_cmd $pkg_config --exists --print-errors $pkg_version || return
1035 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1036 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1037 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1038 enable $name &&
1039 add_cflags "$pkg_cflags" &&
1040 eval $(sanitize_var_name ${name}_extralibs)="\$pkg_libs"
1041 }
1042
1043 check_exec(){
1044 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1045 }
1046
1047 check_exec_crash(){
1048 log check_exec_crash "$@"
1049 code=$(cat)
1050
1051 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1052 # are safe but may not be available everywhere. Thus we use
1053 # raise(SIGTERM) instead. The check is run in a subshell so we
1054 # can redirect the "Terminated" message from the shell. SIGBUS
1055 # is not defined by standard C so it is used conditionally.
1056
1057 (check_exec "$@") >> $logfile 2>&1 <<EOF
1058 #include <signal.h>
1059 static void sighandler(int sig){
1060 raise(SIGTERM);
1061 }
1062 int foo(void){
1063 $code
1064 }
1065 int (*func_ptr)(void) = foo;
1066 int main(void){
1067 signal(SIGILL, sighandler);
1068 signal(SIGFPE, sighandler);
1069 signal(SIGSEGV, sighandler);
1070 #ifdef SIGBUS
1071 signal(SIGBUS, sighandler);
1072 #endif
1073 return func_ptr();
1074 }
1075 EOF
1076 }
1077
1078 check_type(){
1079 log check_type "$@"
1080 headers=$1
1081 type=$2
1082 shift 2
1083 disable_sanitized "$type"
1084 check_code cc "$headers" "$type v" "$@" && enable_sanitized "$type"
1085 }
1086
1087 check_struct(){
1088 log check_struct "$@"
1089 headers=$1
1090 struct=$2
1091 member=$3
1092 shift 3
1093 disable_sanitized "${struct}_${member}"
1094 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1095 enable_sanitized "${struct}_${member}"
1096 }
1097
1098 check_builtin(){
1099 log check_builtin "$@"
1100 name=$1
1101 headers=$2
1102 builtin=$3
1103 shift 3
1104 disable "$name"
1105 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1106 }
1107
1108 check_compile_assert(){
1109 log check_compile_assert "$@"
1110 name=$1
1111 headers=$2
1112 condition=$3
1113 shift 3
1114 disable "$name"
1115 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1116 }
1117
1118 require(){
1119 log require "$@"
1120 name_version="$1"
1121 name="${1%% *}"
1122 headers="$2"
1123 func="$3"
1124 shift 3
1125 check_lib $name "$headers" $func "$@" || die "ERROR: $name_version not found"
1126 }
1127
1128 require_header(){
1129 log require "$@"
1130 header="$1"
1131 shift
1132 check_header "$header" "$@" || die "ERROR: $header not found"
1133 }
1134
1135 require_cpp_condition(){
1136 log require "$@"
1137 header="$1"
1138 condition="$2"
1139 shift 2
1140 check_cpp_condition "$header" "$condition" "$@" || die "ERROR: $condition not satisfied"
1141 }
1142
1143 require_pkg_config(){
1144 log require_pkg_config "$@"
1145 pkg_version="$2"
1146 check_pkg_config "$@" || die "ERROR: $pkg_version not found"
1147 }
1148
1149 hostcc_e(){
1150 eval printf '%s\\n' $HOSTCC_E
1151 }
1152
1153 hostcc_o(){
1154 eval printf '%s\\n' $HOSTCC_O
1155 }
1156
1157 check_host_cc(){
1158 log check_host_cc "$@"
1159 cat > $TMPC
1160 log_file $TMPC
1161 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1162 }
1163
1164 check_host_cpp(){
1165 log check_host_cpp "$@"
1166 cat > $TMPC
1167 log_file $TMPC
1168 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1169 }
1170
1171 check_host_cppflags(){
1172 log check_host_cppflags "$@"
1173 check_host_cpp "$@" <<EOF && append host_cppflags "$@"
1174 #include <stdlib.h>;
1175 EOF
1176 }
1177
1178 check_host_cflags(){
1179 log check_host_cflags "$@"
1180 set -- $($host_cflags_filter "$@")
1181 check_host_cc "$@" <<EOF && append host_cflags "$@"
1182 int x;
1183 EOF
1184 }
1185
1186 check_host_cpp_condition(){
1187 log check_host_cpp_condition "$@"
1188 header=$1
1189 condition=$2
1190 shift 2
1191 check_host_cpp "$@" <<EOF
1192 #include <$header>
1193 #if !($condition)
1194 #error "unsatisfied condition: $condition"
1195 #endif
1196 EOF
1197 }
1198
1199 apply(){
1200 file=$1
1201 shift
1202 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1203 }
1204
1205 cp_if_changed(){
1206 cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1207 mkdir -p "$(dirname $2)"
1208 cp -f "$1" "$2"
1209 }
1210
1211 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1212 # system-dependent things.
1213
1214 AVCODEC_COMPONENTS="
1215 bsfs
1216 decoders
1217 encoders
1218 hwaccels
1219 parsers
1220 "
1221
1222 AVDEVICE_COMPONENTS="
1223 indevs
1224 outdevs
1225 "
1226 AVFILTER_COMPONENTS="
1227 filters
1228 "
1229 AVFORMAT_COMPONENTS="
1230 demuxers
1231 muxers
1232 protocols
1233 "
1234
1235 AVRESAMPLE_COMPONENTS=""
1236 AVUTIL_COMPONENTS=""
1237
1238 COMPONENT_LIST="
1239 $AVCODEC_COMPONENTS
1240 $AVDEVICE_COMPONENTS
1241 $AVFILTER_COMPONENTS
1242 $AVFORMAT_COMPONENTS
1243 $AVRESAMPLE_COMPONENTS
1244 $AVUTIL_COMPONENTS
1245 "
1246
1247 EXAMPLE_LIST="
1248 decode_audio_example
1249 decode_video_example
1250 encode_audio_example
1251 encode_video_example
1252 filter_audio_example
1253 metadata_example
1254 output_example
1255 qsvdec_example
1256 transcode_aac_example
1257 "
1258
1259 # catchall list of things that require external libs to link
1260 EXTRALIBS_LIST="
1261 cpu_init
1262 cws2fws
1263 "
1264
1265 HWACCEL_LIBRARY_NONFREE_LIST="
1266 cuda
1267 libnpp
1268 "
1269 HWACCEL_LIBRARY_LIST="
1270 $HWACCEL_LIBRARY_NONFREE_LIST
1271 d3d11va
1272 dxva2
1273 libmfx
1274 mmal
1275 nvenc
1276 omx
1277 vaapi
1278 vda
1279 vdpau
1280 "
1281
1282 EXTERNAL_LIBRARY_GPL_LIST="
1283 libcdio
1284 libx264
1285 libx265
1286 libxavs
1287 libxvid
1288 "
1289
1290 EXTERNAL_LIBRARY_NONFREE_LIST="
1291 libfaac
1292 libfdk_aac
1293 openssl
1294 "
1295
1296 EXTERNAL_LIBRARY_VERSION3_LIST="
1297 libopencore_amrnb
1298 libopencore_amrwb
1299 libvo_aacenc
1300 libvo_amrwbenc
1301 "
1302
1303 EXTERNAL_LIBRARY_LIST="
1304 $EXTERNAL_LIBRARY_GPL_LIST
1305 $EXTERNAL_LIBRARY_NONFREE_LIST
1306 $EXTERNAL_LIBRARY_VERSION3_LIST
1307 avisynth
1308 avxsynth
1309 frei0r
1310 gnutls
1311 libbs2b
1312 libdc1394
1313 libdcadec
1314 libfontconfig
1315 libfreetype
1316 libgsm
1317 libhdcd
1318 libilbc
1319 libjack
1320 libkvazaar
1321 libmp3lame
1322 libopencv
1323 libopenh264
1324 libopenjpeg
1325 libopus
1326 libpulse
1327 librtmp
1328 libschroedinger
1329 libsnappy
1330 libspeex
1331 libtheora
1332 libtwolame
1333 libvorbis
1334 libvpx
1335 libwavpack
1336 libwebp
1337 libxcb
1338 libxcb_shm
1339 libxcb_xfixes
1340 "
1341
1342 SYSTEM_LIBRARY_LIST="
1343 bzlib
1344 zlib
1345 "
1346
1347 FEATURE_LIST="
1348 gray
1349 hardcoded_tables
1350 omx_rpi
1351 runtime_cpudetect
1352 safe_bitstream_reader
1353 shared
1354 small
1355 sram
1356 static
1357 swscale_alpha
1358 "
1359
1360 LIBRARY_LIST="
1361 avcodec
1362 avdevice
1363 avfilter
1364 avformat
1365 avresample
1366 avutil
1367 swscale
1368 "
1369
1370 LICENSE_LIST="
1371 gpl
1372 nonfree
1373 version3
1374 "
1375
1376 PROGRAM_LIST="
1377 avconv
1378 avplay
1379 avprobe
1380 "
1381
1382 SUBSYSTEM_LIST="
1383 dct
1384 doc
1385 error_resilience
1386 faan
1387 fft
1388 lsp
1389 lzo
1390 mdct
1391 network
1392 rdft
1393 "
1394
1395 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1396 CONFIG_LIST="
1397 $EXAMPLE_LIST
1398 $EXTERNAL_LIBRARY_LIST
1399 $HWACCEL_LIBRARY_LIST
1400 $FEATURE_LIST
1401 $LICENSE_LIST
1402 $LIBRARY_LIST
1403 $PROGRAM_LIST
1404 $SUBSYSTEM_LIST
1405 $SYSTEM_LIBRARY_LIST
1406 neon_clobber_test
1407 pic
1408 pod2man
1409 texi2html
1410 thumb
1411 valgrind_backtrace
1412 xmm_clobber_test
1413 $COMPONENT_LIST
1414 "
1415
1416 THREADS_LIST="
1417 pthreads
1418 w32threads
1419 "
1420
1421 ATOMICS_LIST="
1422 atomics_gcc
1423 atomics_suncc
1424 atomics_win32
1425 "
1426
1427 ARCH_LIST="
1428 aarch64
1429 alpha
1430 arm
1431 avr32
1432 avr32_ap
1433 avr32_uc
1434 bfin
1435 ia64
1436 m68k
1437 mips
1438 mips64
1439 parisc
1440 ppc
1441 ppc64
1442 s390
1443 sh4
1444 sparc
1445 sparc64
1446 tilegx
1447 tilepro
1448 tomi
1449 x86
1450 x86_32
1451 x86_64
1452 "
1453
1454 ARCH_EXT_LIST_ARM="
1455 armv5te
1456 armv6
1457 armv6t2
1458 armv8
1459 neon
1460 vfp
1461 vfpv3
1462 "
1463
1464 ARCH_EXT_LIST_X86_SIMD="
1465 amd3dnow
1466 amd3dnowext
1467 avx
1468 avx2
1469 fma3
1470 fma4
1471 mmx
1472 mmxext
1473 sse
1474 sse2
1475 sse3
1476 sse4
1477 sse42
1478 ssse3
1479 xop
1480 "
1481
1482 ARCH_EXT_LIST_PPC="
1483 altivec
1484 dcbzl
1485 ldbrx
1486 power8
1487 ppc4xx
1488 vsx
1489 "
1490
1491 ARCH_EXT_LIST_X86="
1492 $ARCH_EXT_LIST_X86_SIMD
1493 cpunop
1494 i686
1495 "
1496
1497 ARCH_EXT_LIST_MIPS="
1498 loongson
1499 mips32r1
1500 mips64r1
1501 mips32r2
1502 mips64r2
1503 mips32r6
1504 mips64r6
1505 "
1506
1507 ARCH_EXT_LIST="
1508 $ARCH_EXT_LIST_ARM
1509 $ARCH_EXT_LIST_MIPS
1510 $ARCH_EXT_LIST_PPC
1511 $ARCH_EXT_LIST_X86
1512 vis
1513 "
1514
1515 ARCH_FEATURES="
1516 aligned_stack
1517 fast_64bit
1518 fast_clz
1519 fast_cmov
1520 local_aligned_8
1521 local_aligned_16
1522 local_aligned_32
1523 simd_align_16
1524 simd_align_32
1525 "
1526
1527 BUILTIN_LIST="
1528 atomic_cas_ptr
1529 machine_rw_barrier
1530 MemoryBarrier
1531 mm_empty
1532 rdtsc
1533 sem_timedwait
1534 sync_val_compare_and_swap
1535 "
1536 HAVE_LIST_CMDLINE="
1537 inline_asm
1538 symver
1539 x86asm
1540 "
1541
1542 HAVE_LIST_PUB="
1543 bigendian
1544 fast_unaligned
1545 "
1546
1547 HEADERS_LIST="
1548 AVFoundation_AVFoundation_h
1549 alsa_asoundlib_h
1550 altivec_h
1551 arpa_inet_h
1552 cdio_paranoia_h
1553 cdio_paranoia_paranoia_h
1554 d3d11_h
1555 dispatch_dispatch_h
1556 dev_bktr_ioctl_bt848_h
1557 dev_bktr_ioctl_meteor_h
1558 dev_ic_bt8xx_h
1559 dev_video_bktr_ioctl_bt848_h
1560 dev_video_meteor_ioctl_meteor_h
1561 direct_h
1562 dlfcn_h
1563 dxva_h
1564 gsm_h
1565 io_h
1566 mach_mach_time_h
1567 machine_ioctl_bt848_h
1568 machine_ioctl_meteor_h
1569 malloc_h
1570 poll_h
1571 sndio_h
1572 soundcard_h
1573 stdatomic_h
1574 sys_mman_h
1575 sys_param_h
1576 sys_resource_h
1577 sys_select_h
1578 sys_soundcard_h
1579 sys_time_h
1580 sys_un_h
1581 sys_videoio_h
1582 unistd_h
1583 valgrind_valgrind_h
1584 windows_h
1585 winsock2_h
1586 "
1587
1588 INTRINSICS_LIST="
1589 intrinsics_neon
1590 "
1591
1592 MATH_FUNCS="
1593 atanf
1594 atan2f
1595 cbrtf
1596 cosf
1597 exp2
1598 exp2f
1599 expf
1600 isinf
1601 isnan
1602 ldexpf
1603 llrint
1604 llrintf
1605 log2
1606 log2f
1607 log10f
1608 lrint
1609 lrintf
1610 powf
1611 rint
1612 round
1613 roundf
1614 sinf
1615 trunc
1616 truncf
1617 "
1618
1619 SYSTEM_FUNCS="
1620 aligned_malloc
1621 clock_gettime
1622 closesocket
1623 CommandLineToArgvW
1624 CoTaskMemFree
1625 CryptGenRandom
1626 fcntl
1627 flt_lim
1628 fork
1629 getaddrinfo
1630 gethrtime
1631 getopt
1632 GetProcessAffinityMask
1633 GetProcessMemoryInfo
1634 GetProcessTimes
1635 getrusage
1636 GetSystemTimeAsFileTime
1637 gettimeofday
1638 gmtime_r
1639 inet_aton
1640 isatty
1641 LoadLibrary
1642 localtime_r
1643 mach_absolute_time
1644 MapViewOfFile
1645 memalign
1646 mkstemp
1647 mmap
1648 mprotect
1649 nanosleep
1650 posix_memalign
1651 sched_getaffinity
1652 SetConsoleTextAttribute
1653 setmode
1654 setrlimit
1655 Sleep
1656 strerror_r
1657 sysconf
1658 sysctl
1659 usleep
1660 VirtualAlloc
1661 "
1662
1663 TOOLCHAIN_FEATURES="
1664 as_arch_directive
1665 as_fpu_directive
1666 as_func
1667 as_object_arch
1668 asm_mod_q
1669 attribute_may_alias
1670 attribute_packed
1671 blocks_extension
1672 ebp_available
1673 ebx_available
1674 gnu_as
1675 ibm_asm
1676 inline_asm_labels
1677 pragma_deprecated
1678 symver_asm_label
1679 symver_gnu_asm
1680 vfp_args
1681 xform_asm
1682 xmm_clobbers
1683 "
1684
1685 TYPES_LIST="
1686 CONDITION_VARIABLE_Ptr
1687 socklen_t
1688 struct_addrinfo
1689 struct_group_source_req
1690 struct_ip_mreq_source
1691 struct_ipv6_mreq
1692 struct_pollfd
1693 struct_rusage_ru_maxrss
1694 struct_sockaddr_in6
1695 struct_sockaddr_sa_len
1696 struct_sockaddr_storage
1697 struct_v4l2_frmivalenum_discrete
1698 "
1699
1700 HAVE_LIST="
1701 $ARCH_EXT_LIST
1702 $(add_suffix _external $ARCH_EXT_LIST)
1703 $(add_suffix _inline $ARCH_EXT_LIST)
1704 $ARCH_FEATURES
1705 $BUILTIN_LIST
1706 $HAVE_LIST_CMDLINE
1707 $HAVE_LIST_PUB
1708 $HEADERS_LIST
1709 $INTRINSICS_LIST
1710 $MATH_FUNCS
1711 $SYSTEM_FUNCS
1712 $THREADS_LIST
1713 $TOOLCHAIN_FEATURES
1714 $TYPES_LIST
1715 dos_paths
1716 dxva2_lib
1717 libc_msvcrt
1718 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
1719 sdl
1720 section_data_rel_ro
1721 threads
1722 vaapi_drm
1723 vaapi_x11
1724 vdpau_x11
1725 "
1726
1727 # options emitted with CONFIG_ prefix but not available on the command line
1728 CONFIG_EXTRA="
1729 aandcttables
1730 ac3dsp
1731 adts_header
1732 audio_frame_queue
1733 audiodsp
1734 blockdsp
1735 bswapdsp
1736 cabac
1737 dirac_parse
1738 dvprofile
1739 faandct
1740 faanidct
1741 fdctdsp
1742 flacdsp
1743 fmtconvert
1744 g722dsp
1745 gmp
1746 golomb
1747 gplv3
1748 h263dsp
1749 h264chroma
1750 h264dsp
1751 h264parse
1752 h264pred
1753 h264qpel
1754 hevc_ps
1755 hpeldsp
1756 huffman
1757 huffyuvdsp
1758 huffyuvencdsp
1759 idctdsp
1760 iirfilter
1761 imdct15
1762 intrax8
1763 iso_media
1764 ividsp
1765 jpegtables
1766 lgplv3
1767 libx262
1768 libxcb_shape
1769 lpc
1770 lzf
1771 me_cmp
1772 mpeg_er
1773 mpegaudio
1774 mpegaudiodsp
1775 mpegaudioheader
1776 mpegvideo
1777 mpegvideoenc
1778 mss34dsp
1779 pixblockdsp
1780 qpeldsp
1781 qsv
1782 qsvdec
1783 qsvenc
1784 rangecoder
1785 riffdec
1786 riffenc
1787 rtpdec
1788 rtpenc_chain
1789 rv34dsp
1790 sinewin
1791 snappy
1792 srtp
1793 startcode
1794 texturedsp
1795 texturedspenc
1796 tpeldsp
1797 vaapi_encode
1798 vc1dsp
1799 videodsp
1800 vp3dsp
1801 vp56dsp
1802 vp8dsp
1803 wma_freqs
1804 wmv2dsp
1805 "
1806
1807 CMDLINE_SELECT="
1808 $ARCH_EXT_LIST
1809 $CONFIG_LIST
1810 $HAVE_LIST_CMDLINE
1811 $THREADS_LIST
1812 asm
1813 cross_compile
1814 debug
1815 extra_warnings
1816 logging
1817 lto
1818 optimizations
1819 rpath
1820 "
1821
1822 PATHS_LIST="
1823 bindir
1824 datadir
1825 docdir
1826 incdir
1827 libdir
1828 mandir
1829 prefix
1830 shlibdir
1831 "
1832
1833 CMDLINE_SET="
1834 $PATHS_LIST
1835 ar
1836 arch
1837 as
1838 cc
1839 objcc
1840 cpu
1841 cross_prefix
1842 custom_allocator
1843 dep_cc
1844 env
1845 extra_version
1846 host_cc
1847 host_cflags
1848 host_extralibs
1849 host_ld
1850 host_ldflags
1851 host_os
1852 ignore_tests
1853 ld
1854 logfile
1855 malloc_prefix
1856 nm
1857 optflags
1858 pkg_config
1859 pkg_config_flags
1860 random_seed
1861 samples
1862 sysinclude
1863 sysroot
1864 target_exec
1865 target_os
1866 target_path
1867 target_samples
1868 toolchain
1869 x86asmexe
1870 "
1871
1872 CMDLINE_APPEND="
1873 extra_cflags
1874 extra_objcflags
1875 host_cppflags
1876 "
1877
1878 # code dependency declarations
1879
1880 # architecture extensions
1881
1882 armv5te_deps="arm"
1883 armv6_deps="arm"
1884 armv6t2_deps="arm"
1885 armv8_deps="aarch64"
1886 neon_deps_any="aarch64 arm"
1887 intrinsics_neon_deps="neon"
1888 vfp_deps_any="aarch64 arm"
1889 vfpv3_deps="vfp"
1890
1891 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1892
1893 altivec_deps="ppc"
1894 ppc4xx_deps="ppc"
1895 vsx_deps="altivec"
1896 power8_deps="vsx"
1897
1898 cpunop_deps="i686"
1899 x86_64_select="i686"
1900 x86_64_suggest="fast_cmov"
1901
1902 amd3dnow_deps="mmx"
1903 amd3dnowext_deps="amd3dnow"
1904 i686_deps="x86"
1905 mmx_deps="x86"
1906 mmxext_deps="mmx"
1907 sse_deps="mmxext"
1908 sse2_deps="sse"
1909 sse3_deps="sse2"
1910 ssse3_deps="sse3"
1911 sse4_deps="ssse3"
1912 sse42_deps="sse4"
1913 avx_deps="sse42"
1914 xop_deps="avx"
1915 fma3_deps="avx"
1916 fma4_deps="avx"
1917 avx2_deps="avx"
1918
1919 mmx_external_deps="x86asm"
1920 mmx_inline_deps="inline_asm"
1921 mmx_suggest="mmx_external mmx_inline"
1922
1923 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1924 eval dep=\$${ext}_deps
1925 eval ${ext}_external_deps='"${dep}_external"'
1926 eval ${ext}_inline_deps='"${dep}_inline"'
1927 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1928 done
1929
1930 aligned_stack_if_any="aarch64 ppc x86"
1931 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1932 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1933 fast_unaligned_if_any="aarch64 ppc x86"
1934 simd_align_16_if_any="altivec neon sse"
1935 simd_align_32_if_any="avx"
1936
1937 # system capabilities
1938 symver_if_any="symver_asm_label symver_gnu_asm"
1939 valgrind_backtrace_conflict="optimizations"
1940 valgrind_backtrace_deps="valgrind_valgrind_h"
1941
1942 # threading support
1943 atomics_gcc_if="sync_val_compare_and_swap"
1944 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1945 atomics_win32_if="MemoryBarrier"
1946 atomics_native_if_any="$ATOMICS_LIST"
1947 w32threads_deps="atomics_native"
1948 threads_if_any="$THREADS_LIST"
1949
1950 # subsystems
1951 dct_select="rdft"
1952 dirac_parse_select="golomb"
1953 error_resilience_select="me_cmp"
1954 faandct_deps="faan fdctdsp"
1955 faanidct_deps="faan idctdsp"
1956 h264dsp_select="startcode"
1957 hevc_ps_select="golomb"
1958 intrax8_select="blockdsp idctdsp"
1959 mdct_select="fft"
1960 rdft_select="fft"
1961 me_cmp_select="fdctdsp idctdsp pixblockdsp"
1962 mpeg_er_select="error_resilience"
1963 mpegaudio_select="mpegaudiodsp mpegaudioheader"
1964 mpegaudiodsp_select="dct"
1965 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp mpeg_er videodsp"
1966 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
1967 vc1dsp_select="h264chroma qpeldsp startcode"
1968
1969 # decoders / encoders
1970 aac_decoder_select="adts_header imdct15 mdct sinewin"
1971 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
1972 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1973 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
1974 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1975 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
1976 adpcm_g722_decoder_select="g722dsp"
1977 adpcm_g722_encoder_select="g722dsp"
1978 aic_decoder_select="golomb idctdsp"
1979 alac_encoder_select="lpc"
1980 als_decoder_select="bswapdsp"
1981 amrnb_decoder_select="lsp"
1982 amrwb_decoder_select="lsp"
1983 amv_decoder_select="sp5x_decoder"
1984 ape_decoder_select="bswapdsp"
1985 asv1_decoder_select="blockdsp bswapdsp idctdsp"
1986 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
1987 asv2_decoder_select="blockdsp bswapdsp idctdsp"
1988 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
1989 atrac1_decoder_select="mdct sinewin"
1990 atrac3_decoder_select="mdct"
1991 atrac3p_decoder_select="mdct sinewin"
1992 bink_decoder_select="blockdsp hpeldsp"
1993 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
1994 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
1995 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
1996 cllc_decoder_select="bswapdsp"
1997 comfortnoise_encoder_select="lpc"
1998 cook_decoder_select="audiodsp mdct sinewin"
1999 cscd_decoder_select="lzo"
2000 cscd_decoder_suggest="zlib"
2001 dca_decoder_select="fmtconvert mdct"
2002 dds_decoder_select="texturedsp"
2003 dnxhd_decoder_select="blockdsp idctdsp"
2004 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2005 dvvideo_decoder_select="dvprofile idctdsp"
2006 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2007 dxa_decoder_deps="zlib"
2008 dxv_decoder_select="lzf texturedsp"
2009 eac3_decoder_select="ac3_decoder"
2010 eac3_encoder_select="ac3_encoder"
2011 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2012 eatgq_decoder_select="aandcttables idctdsp"
2013 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2014 exr_decoder_deps="zlib"
2015 ffv1_decoder_select="rangecoder"
2016 ffv1_encoder_select="rangecoder"
2017 ffvhuff_decoder_select="huffyuv_decoder"
2018 ffvhuff_encoder_select="huffyuv_encoder"
2019 fic_decoder_select="golomb"
2020 flac_decoder_select="flacdsp"
2021 flac_encoder_select="bswapdsp flacdsp lpc"
2022 flashsv_decoder_deps="zlib"
2023 flashsv_encoder_deps="zlib"
2024 flashsv2_decoder_deps="zlib"
2025 flv_decoder_select="h263_decoder"
2026 flv_encoder_select="h263_encoder"
2027 fourxm_decoder_select="blockdsp bswapdsp"
2028 fraps_decoder_select="bswapdsp huffman"
2029 g2m_decoder_deps="zlib"
2030 g2m_decoder_select="blockdsp idctdsp jpegtables"
2031 h261_decoder_select="mpeg_er mpegvideo"
2032 h261_encoder_select="aandcttables mpegvideoenc"
2033 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
2034 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2035 h263i_decoder_select="h263_decoder"
2036 h263p_encoder_select="h263_encoder"
2037 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2038 h264_decoder_suggest="error_resilience"
2039 hap_decoder_select="snappy texturedsp"
2040 hap_encoder_deps="libsnappy"
2041 hap_encoder_select="texturedspenc"
2042 hevc_decoder_select="bswapdsp cabac hevc_ps videodsp"
2043 huffyuv_decoder_select="bswapdsp huffyuvdsp"
2044 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
2045 iac_decoder_select="imc_decoder"
2046 imc_decoder_select="bswapdsp fft mdct sinewin"
2047 indeo3_decoder_select="hpeldsp"
2048 indeo4_decoder_select="ividsp"
2049 indeo5_decoder_select="ividsp"
2050 interplay_video_decoder_select="hpeldsp"
2051 jpegls_decoder_select="mjpeg_decoder"
2052 jv_decoder_select="blockdsp"
2053 lagarith_decoder_select="huffyuvdsp"
2054 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2055 magicyuv_decoder_select="huffyuvdsp"
2056 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2057 metasound_decoder_select="lsp mdct sinewin"
2058 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2059 mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
2060 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2061 mjpegb_decoder_select="mjpeg_decoder"
2062 mlp_decoder_select="mlp_parser"
2063 motionpixels_decoder_select="bswapdsp"
2064 mp1_decoder_select="mpegaudio"
2065 mp1float_decoder_select="mpegaudio"
2066 mp2_decoder_select="mpegaudio"
2067 mp2float_decoder_select="mpegaudio"
2068 mp3_decoder_select="mpegaudio"
2069 mp3adu_decoder_select="mpegaudio"
2070 mp3adufloat_decoder_select="mpegaudio"
2071 mp3float_decoder_select="mpegaudio"
2072 mp3on4_decoder_select="mpegaudio"
2073 mp3on4float_decoder_select="mpegaudio"
2074 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2075 mpc8_decoder_select="mpegaudiodsp"
2076 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2077 mpeg1video_encoder_select="aandcttables mpegvideoenc"
2078 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2079 mpeg2video_encoder_select="aandcttables mpegvideoenc"
2080 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2081 mpeg4_encoder_select="h263_encoder"
2082 msa1_decoder_select="mss34dsp"
2083 msmpeg4v1_decoder_select="h263_decoder"
2084 msmpeg4v2_decoder_select="h263_decoder"
2085 msmpeg4v2_encoder_select="h263_encoder"
2086 msmpeg4v3_decoder_select="h263_decoder"
2087 msmpeg4v3_encoder_select="h263_encoder"
2088 mss2_decoder_select="error_resilience mpeg_er mpegvideo qpeldsp vc1_decoder"
2089 mts2_decoder_select="mss34dsp"
2090 mxpeg_decoder_select="mjpeg_decoder"
2091 nellymoser_decoder_select="mdct sinewin"
2092 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2093 nuv_decoder_select="idctdsp lzo"
2094 on2avc_decoder_select="mdct"
2095 opus_decoder_deps="avresample"
2096 opus_decoder_select="imdct15"
2097 png_decoder_deps="zlib"
2098 png_encoder_deps="zlib"
2099 png_encoder_select="huffyuvencdsp"
2100 prores_decoder_select="idctdsp"
2101 prores_encoder_select="fdctdsp"
2102 qcelp_decoder_select="lsp"
2103 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2104 ra_144_encoder_select="audio_frame_queue lpc"
2105 ralf_decoder_select="golomb"
2106 rscc_decoder_deps="zlib"
2107 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2108 rv10_encoder_select="h263_encoder"
2109 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2110 rv20_encoder_select="h263_encoder"
2111 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2112 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2113 screenpresso_decoder_deps="zlib"
2114 sipr_decoder_select="lsp"
2115 sp5x_decoder_select="mjpeg_decoder"
2116 svq1_decoder_select="hpeldsp"
2117 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2118 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2119 svq3_decoder_suggest="zlib"
2120 tak_decoder_select="audiodsp"
2121 tdsc_decoder_deps="zlib"
2122 tdsc_decoder_select="mjpeg_decoder"
2123 theora_decoder_select="vp3_decoder"
2124 thp_decoder_select="mjpeg_decoder"
2125 tiff_decoder_suggest="zlib"
2126 tiff_encoder_suggest="zlib"
2127 truehd_decoder_select="mlp_decoder"
2128 truemotion2_decoder_select="bswapdsp"
2129 truespeech_decoder_select="bswapdsp"
2130 tscc_decoder_deps="zlib"
2131 txd_decoder_select="texturedsp"
2132 twinvq_decoder_select="mdct lsp sinewin"
2133 utvideo_decoder_select="bswapdsp huffyuvdsp"
2134 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2135 vble_decoder_select="huffyuvdsp"
2136 vc1_decoder_select="blockdsp error_resilience h263_decoder h264qpel intrax8 mpeg_er mpegvideo vc1dsp"
2137 vc1image_decoder_select="vc1_decoder"
2138 vorbis_decoder_select="mdct"
2139 vorbis_encoder_select="mdct"
2140 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2141 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2142 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2143 vp6a_decoder_select="vp6_decoder"
2144 vp6f_decoder_select="vp6_decoder"
2145 vp7_decoder_select="h264pred videodsp vp8dsp"
2146 vp8_decoder_select="h264pred videodsp vp8dsp"
2147 vp9_decoder_select="videodsp vp9_superframe_split_bsf"
2148 webp_decoder_select="vp8_decoder"
2149 wmapro_decoder_select="mdct sinewin wma_freqs"
2150 wmav1_decoder_select="mdct sinewin wma_freqs"
2151 wmav1_encoder_select="mdct sinewin wma_freqs"
2152 wmav2_decoder_select="mdct sinewin wma_freqs"
2153 wmav2_encoder_select="mdct sinewin wma_freqs"
2154 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2155 wmv1_decoder_select="h263_decoder"
2156 wmv1_encoder_select="h263_encoder"
2157 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2158 wmv2_encoder_select="h263_encoder wmv2dsp"
2159 wmv3_decoder_select="vc1_decoder"
2160 wmv3image_decoder_select="wmv3_decoder"
2161 zerocodec_decoder_deps="zlib"
2162 zlib_decoder_deps="zlib"
2163 zlib_encoder_deps="zlib"
2164 zmbv_decoder_deps="zlib"
2165 zmbv_encoder_deps="zlib"
2166
2167 # hardware accelerators
2168 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2169 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2170 dxva2_lib_deps="dxva2"
2171 vda_deps="VideoDecodeAcceleration_VDADecoder_h blocks_extension pthreads"
2172 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2173
2174 h263_vaapi_hwaccel_deps="vaapi"
2175 h263_vaapi_hwaccel_select="h263_decoder"
2176 h264_d3d11va_hwaccel_deps="d3d11va"
2177 h264_d3d11va_hwaccel_select="h264_decoder"
2178 h264_dxva2_hwaccel_deps="dxva2"
2179 h264_dxva2_hwaccel_select="h264_decoder"
2180 h264_mmal_hwaccel_deps="mmal"
2181 h264_qsv_hwaccel_deps="libmfx"
2182 h264_vaapi_hwaccel_deps="vaapi"
2183 h264_vaapi_hwaccel_select="h264_decoder"
2184 h264_vda_hwaccel_deps="vda"
2185 h264_vda_hwaccel_select="h264_decoder"
2186 h264_vda_old_hwaccel_deps="vda"
2187 h264_vda_old_hwaccel_select="h264_decoder"
2188 h264_vdpau_hwaccel_deps="vdpau"
2189 h264_vdpau_hwaccel_select="h264_decoder"
2190 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2191 hevc_d3d11va_hwaccel_select="hevc_decoder"
2192 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2193 hevc_dxva2_hwaccel_select="hevc_decoder"
2194 hevc_qsv_hwaccel_deps="libmfx"
2195 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2196 hevc_vaapi_hwaccel_select="hevc_decoder"
2197 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2198 hevc_vdpau_hwaccel_select="hevc_decoder"
2199 mpeg1_vdpau_hwaccel_deps="vdpau"
2200 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2201 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2202 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2203 mpeg2_dxva2_hwaccel_deps="dxva2"
2204 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2205 mpeg2_mmal_hwaccel_deps="mmal"
2206 mpeg2_qsv_hwaccel_deps="libmfx"
2207 mpeg2_vaapi_hwaccel_deps="vaapi"
2208 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2209 mpeg2_vdpau_hwaccel_deps="vdpau"
2210 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2211 mpeg4_vaapi_hwaccel_deps="vaapi"
2212 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2213 mpeg4_vdpau_hwaccel_deps="vdpau"
2214 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2215 vc1_d3d11va_hwaccel_deps="d3d11va"
2216 vc1_d3d11va_hwaccel_select="vc1_decoder"
2217 vc1_dxva2_hwaccel_deps="dxva2"
2218 vc1_dxva2_hwaccel_select="vc1_decoder"
2219 vc1_mmal_hwaccel_deps="mmal"
2220 vc1_qsv_hwaccel_deps="libmfx"
2221 vc1_vaapi_hwaccel_deps="vaapi"
2222 vc1_vaapi_hwaccel_select="vc1_decoder"
2223 vc1_vdpau_hwaccel_deps="vdpau"
2224 vc1_vdpau_hwaccel_select="vc1_decoder"
2225 vp8_qsv_hwaccel_deps="libmfx"
2226 vp8_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferVP8"
2227 vp8_vaapi_hwaccel_select="vp8_decoder"
2228 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2229 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2230 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2231 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2232
2233 # hardware-accelerated codecs
2234 nvenc_deps_any="libdl LoadLibrary"
2235 omx_deps="libdl pthreads"
2236 omx_rpi_select="omx"
2237 qsvdec_select="qsv"
2238 qsvenc_select="qsv"
2239 vaapi_encode_deps="vaapi"
2240
2241 hwupload_cuda_filter_deps="cuda"
2242 scale_npp_filter_deps="cuda libnpp"
2243
2244 h264_mmal_decoder_deps="mmal"
2245 h264_nvenc_encoder_deps="nvenc"
2246 h264_omx_encoder_deps="omx"
2247 h264_qsv_decoder_deps="libmfx"
2248 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2249 h264_qsv_encoder_deps="libmfx"
2250 h264_qsv_encoder_select="qsvenc"
2251 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2252 h264_vaapi_encoder_select="vaapi_encode golomb"
2253 hevc_nvenc_encoder_deps="nvenc"
2254 hevc_qsv_decoder_deps="libmfx"
2255 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser hevc_qsv_hwaccel qsvdec"
2256 hevc_qsv_encoder_deps="libmfx"
2257 hevc_qsv_encoder_select="hevc_ps qsvenc"
2258 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2259 hevc_vaapi_encoder_select="vaapi_encode golomb"
2260 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2261 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2262 mpeg2_mmal_decoder_deps="mmal"
2263 mpeg2_qsv_decoder_deps="libmfx"
2264 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel mpegvideo_parser"
2265 mpeg2_qsv_encoder_deps="libmfx"
2266 mpeg2_qsv_encoder_select="qsvenc"
2267 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2268 mpeg2_vaapi_encoder_select="vaapi_encode"
2269 mpeg4_omx_encoder_deps="omx"
2270 vc1_mmal_decoder_deps="mmal"
2271 vc1_qsv_decoder_deps="libmfx"
2272 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel vc1_parser"
2273 vp8_qsv_decoder_deps="libmfx"
2274 vp8_qsv_decoder_select="qsvdec vp8_qsv_hwaccel vp8_parser"
2275 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2276 vp8_vaapi_encoder_select="vaapi_encode"
2277 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
2278 vp9_vaapi_encoder_select="vaapi_encode"
2279
2280 nvenc_h264_encoder_select="h264_nvenc_encoder"
2281 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2282
2283 # parsers
2284 aac_parser_select="adts_header"
2285 h264_parser_select="golomb h264dsp h264parse"
2286 hevc_parser_select="hevc_ps"
2287 mpegaudio_parser_select="mpegaudioheader"
2288 mpegvideo_parser_select="mpegvideo"
2289 mpeg4video_parser_select="error_resilience h263dsp mpegvideo qpeldsp"
2290 vc1_parser_select="vc1dsp"
2291
2292 # bitstream_filters
2293 aac_adtstoasc_bsf_select="adts_header"
2294 mjpeg2jpeg_bsf_select="jpegtables"
2295
2296 # external libraries
2297 avisynth_deps="LoadLibrary"
2298 avxsynth_deps="libdl"
2299 avisynth_demuxer_deps_any="avisynth avxsynth"
2300 avisynth_demuxer_select="riffdec"
2301 libdcadec_decoder_deps="libdcadec"
2302 libfaac_encoder_deps="libfaac"
2303 libfaac_encoder_select="audio_frame_queue"
2304 libfdk_aac_decoder_deps="libfdk_aac"
2305 libfdk_aac_encoder_deps="libfdk_aac"
2306 libfdk_aac_encoder_select="audio_frame_queue"
2307 libgsm_decoder_deps="libgsm"
2308 libgsm_encoder_deps="libgsm"
2309 libgsm_ms_decoder_deps="libgsm"
2310 libgsm_ms_encoder_deps="libgsm"
2311 libilbc_decoder_deps="libilbc"
2312 libilbc_encoder_deps="libilbc"
2313 libkvazaar_encoder_deps="libkvazaar"
2314 libmp3lame_encoder_deps="libmp3lame"
2315 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
2316 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2317 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2318 libopencore_amrnb_encoder_select="audio_frame_queue"
2319 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2320 libopenh264_decoder_deps="libopenh264"
2321 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2322 libopenh264_encoder_deps="libopenh264"
2323 libopenjpeg_decoder_deps="libopenjpeg"
2324 libopenjpeg_encoder_deps="libopenjpeg"
2325 libopus_decoder_deps="libopus"
2326 libopus_encoder_deps="libopus"
2327 libopus_encoder_select="audio_frame_queue"
2328 libschroedinger_decoder_deps="libschroedinger"
2329 libschroedinger_encoder_deps="libschroedinger"
2330 libspeex_decoder_deps="libspeex"
2331 libspeex_encoder_deps="libspeex"
2332 libspeex_encoder_select="audio_frame_queue"
2333 libtheora_encoder_deps="libtheora"
2334 libtwolame_encoder_deps="libtwolame"
2335 libvo_aacenc_encoder_deps="libvo_aacenc"
2336 libvo_aacenc_encoder_select="audio_frame_queue"
2337 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2338 libvorbis_encoder_deps="libvorbis"
2339 libvorbis_encoder_select="audio_frame_queue"
2340 libvpx_vp8_decoder_deps="libvpx"
2341 libvpx_vp8_encoder_deps="libvpx"
2342 libvpx_vp9_decoder_deps="libvpx"
2343 libvpx_vp9_encoder_deps="libvpx"
2344 libwavpack_encoder_deps="libwavpack"
2345 libwavpack_encoder_select="audio_frame_queue"
2346 libwebp_encoder_deps="libwebp"
2347 libx262_encoder_deps="libx262"
2348 libx264_encoder_deps="libx264"
2349 libx265_encoder_deps="libx265"
2350 libxavs_encoder_deps="libxavs"
2351 libxvid_encoder_deps="libxvid mkstemp"
2352
2353 # demuxers / muxers
2354 ac3_demuxer_select="ac3_parser"
2355 asf_demuxer_select="riffdec"
2356 asf_muxer_select="riffenc"
2357 asf_stream_muxer_select="asf_muxer"
2358 avi_demuxer_select="iso_media riffdec"
2359 avi_muxer_select="riffenc"
2360 caf_demuxer_select="iso_media riffdec"
2361 dash_muxer_select="mp4_muxer"
2362 dirac_demuxer_select="dirac_parser"
2363 dv_demuxer_select="dvprofile"
2364 dv_muxer_select="dvprofile"
2365 dxa_demuxer_select="riffdec"
2366 eac3_demuxer_select="ac3_parser"
2367 f4v_muxer_select="mov_muxer"
2368 flac_demuxer_select="flac_parser"
2369 hds_muxer_select="flv_muxer"
2370 hls_muxer_select="mpegts_muxer"
2371 ipod_muxer_select="mov_muxer"
2372 ismv_muxer_select="mov_muxer"
2373 matroska_audio_muxer_select="matroska_muxer"
2374 matroska_demuxer_select="iso_media riffdec"
2375 matroska_demuxer_suggest="bzlib lzo zlib"
2376 matroska_muxer_select="iso_media riffenc"
2377 mmf_muxer_select="riffenc"
2378 mov_demuxer_select="iso_media riffdec"
2379 mov_demuxer_suggest="zlib"
2380 mov_muxer_select="iso_media riffenc rtpenc_chain"
2381 mp3_demuxer_select="mpegaudio_parser"
2382 mp3_muxer_select="mpegaudioheader"
2383 mp4_muxer_select="mov_muxer"
2384 mpegts_demuxer_select="iso_media"
2385 mpegts_muxer_select="adts_muxer latm_muxer"
2386 mpegtsraw_demuxer_select="mpegts_demuxer"
2387 mxf_d10_muxer_select="mxf_muxer"
2388 nut_muxer_select="riffenc"
2389 nuv_demuxer_select="riffdec"
2390 oga_muxer_select="ogg_muxer"
2391 ogg_demuxer_select="dirac_parse"
2392 opus_muxer_select="ogg_muxer"
2393 psp_muxer_select="mov_muxer"
2394 rtp_demuxer_select="sdp_demuxer"
2395 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
2396 rtsp_demuxer_select="http_protocol rtpdec"
2397 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2398 sap_demuxer_select="sdp_demuxer"
2399 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2400 sdp_demuxer_select="rtpdec"
2401 smoothstreaming_muxer_select="ismv_muxer"
2402 spdif_demuxer_select="adts_header"
2403 spdif_muxer_select="adts_header"
2404 spx_muxer_select="ogg_muxer"
2405 swf_demuxer_suggest="zlib"
2406 tak_demuxer_select="tak_parser"
2407 tg2_muxer_select="mov_muxer"
2408 tgp_muxer_select="mov_muxer"
2409 w64_demuxer_select="wav_demuxer"
2410 wav_demuxer_select="riffdec"
2411 wav_muxer_select="riffenc"
2412 webm_muxer_select="iso_media riffenc"
2413 wtv_demuxer_select="mpegts_demuxer riffdec"
2414 xmv_demuxer_select="riffdec"
2415 xwma_demuxer_select="riffdec"
2416
2417 # indevs / outdevs
2418 alsa_indev_deps="alsa"
2419 alsa_outdev_deps="alsa"
2420 avfoundation_indev_deps="AVFoundation_AVFoundation_h objc_arc pthreads"
2421 avfoundation_indev_extralibs="-framework Foundation -framework AVFoundation -framework CoreVideo -framework CoreMedia"
2422 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2423 dv1394_indev_deps="dv1394"
2424 dv1394_indev_select="dv_demuxer"
2425 fbdev_indev_deps="linux_fb_h"
2426 jack_indev_deps="libjack"
2427 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
2428 libcdio_indev_deps="libcdio"
2429 libdc1394_indev_deps="libdc1394"
2430 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2431 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2432 pulse_indev_deps="libpulse"
2433 sndio_indev_deps="sndio"
2434 sndio_outdev_deps="sndio"
2435 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2436 vfwcap_indev_deps="vfw32 vfwcap_defines"
2437 xcbgrab_indev_deps="libxcb libxcb_shape"
2438 xcbgrab_indev_suggest="libxcb_shm libxcb_xfixes"
2439
2440 # protocols
2441 ffrtmpcrypt_protocol_conflict="librtmp_protocol"
2442 ffrtmpcrypt_protocol_deps_any="gmp openssl"
2443 ffrtmpcrypt_protocol_select="tcp_protocol"
2444 ffrtmphttp_protocol_conflict="librtmp_protocol"
2445 ffrtmphttp_protocol_select="http_protocol"
2446 gopher_protocol_select="network"
2447 http_protocol_select="tcp_protocol"
2448 httpproxy_protocol_select="tcp_protocol"
2449 https_protocol_select="tls_protocol"
2450 icecast_protocol_select="http_protocol"
2451 librtmp_protocol_deps="librtmp"
2452 librtmpe_protocol_deps="librtmp"
2453 librtmps_protocol_deps="librtmp"
2454 librtmpt_protocol_deps="librtmp"
2455 librtmpte_protocol_deps="librtmp"
2456 mmsh_protocol_select="http_protocol"
2457 mmst_protocol_select="network"
2458 rtmp_protocol_conflict="librtmp_protocol"
2459 rtmp_protocol_select="tcp_protocol"
2460 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2461 rtmps_protocol_conflict="librtmp_protocol"
2462 rtmps_protocol_select="tls_protocol"
2463 rtmpt_protocol_select="ffrtmphttp_protocol"
2464 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2465 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2466 rtp_protocol_select="udp_protocol"
2467 sctp_protocol_deps="struct_sctp_event_subscribe"
2468 sctp_protocol_select="network"
2469 srtp_protocol_select="rtp_protocol srtp"
2470 tcp_protocol_select="network"
2471 tls_protocol_deps_any="gnutls openssl"
2472 tls_protocol_select="tcp_protocol"
2473 udp_protocol_select="network"
2474 unix_protocol_deps="sys_un_h"
2475 unix_protocol_select="network"
2476
2477 # filters
2478 asyncts_filter_deps="avresample"
2479 blackframe_filter_deps="gpl"
2480 boxblur_filter_deps="gpl"
2481 bs2b_filter_deps="libbs2b"
2482 cropdetect_filter_deps="gpl"
2483 deinterlace_qsv_filter_deps="libmfx"
2484 deinterlace_vaapi_filter_deps="vaapi"
2485 delogo_filter_deps="gpl"
2486 drawtext_filter_deps="libfreetype"
2487 drawtext_filter_suggest="libfontconfig"
2488 frei0r_filter_deps="frei0r libdl"
2489 frei0r_src_filter_deps="frei0r libdl"
2490 hdcd_filter_deps="libhdcd"
2491 hqdn3d_filter_deps="gpl"
2492 interlace_filter_deps="gpl"
2493 movie_filter_deps="avcodec avformat"
2494 ocv_filter_deps="libopencv"
2495 resample_filter_deps="avresample"
2496 scale_filter_deps="swscale"
2497 scale_qsv_filter_deps="libmfx"
2498 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
2499
2500 # examples
2501 decode_audio_example_deps="avcodec avutil"
2502 decode_video_example_deps="avcodec avutil"
2503 encode_audio_example_deps="avcodec avutil"
2504 encode_video_example_deps="avcodec avutil"
2505 filter_audio_example_deps="avfilter avutil"
2506 metadata_example_deps="avformat avutil"
2507 output_example_deps="avcodec avformat avresample avutil swscale"
2508 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
2509 transcode_aac_example_deps="avcodec avformat avresample"
2510
2511 # EXTRALIBS_LIST
2512 cpu_init_extralibs="pthreads_extralibs"
2513 cws2fws_extralibs="zlib_extralibs"
2514
2515 # libraries, in linking order
2516 avcodec_deps="avutil"
2517 avcodec_select="null_bsf"
2518 avdevice_deps="avformat avcodec avutil"
2519 avfilter_deps="avutil"
2520 avformat_deps="avcodec avutil"
2521 avformat_suggest="network"
2522 avresample_deps="avutil"
2523 swscale_deps="avutil"
2524
2525 avcodec_extralibs="pthreads_extralibs libm_extralibs"
2526 avdevice_extralibs="libm_extralibs"
2527 avformat_extralibs="libm_extralibs"
2528 avfilter_extralibs="pthreads_extralibs libm_extralibs"
2529 avresample_extralibs="libm_extralibs"
2530 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"
2531 swscale_extralibs="libm_extralibs"
2532
2533 # programs
2534 avconv_deps="avcodec avfilter avformat avresample swscale"
2535 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2536 fps_filter null_filter resample_filter scale_filter
2537 trim_filter"
2538 avconv_suggest="dxva2_lib ole32 psapi shell32"
2539 avplay_deps="avcodec avfilter avformat avresample sdl"
2540 avplay_select="rdft format_filter transpose_filter hflip_filter vflip_filter"
2541 avplay_suggest="shell32"
2542 avprobe_deps="avcodec avformat"
2543 avprobe_suggest="shell32"
2544
2545 # documentation
2546 pod2man_deps="doc"
2547 texi2html_deps="doc"
2548
2549 # default parameters
2550
2551 logfile="avbuild/config.log"
2552
2553 # installation paths
2554 prefix_default="/usr/local"
2555 bindir_default='${prefix}/bin'
2556 datadir_default='${prefix}/share/avconv'
2557 docdir_default='${prefix}/share/doc/libav'
2558 incdir_default='${prefix}/include'
2559 libdir_default='${prefix}/lib'
2560 mandir_default='${prefix}/share/man'
2561 shlibdir_default="$libdir_default"
2562
2563 # toolchain
2564 ar_default="ar"
2565 cc_default="gcc"
2566 host_cc_default="gcc"
2567 x86asmexe_default="nasm"
2568 ln_s="ln -s -f"
2569 nm_default="nm -g"
2570 pkg_config_default=pkg-config
2571 ranlib="ranlib"
2572 strip="strip"
2573 version_script='--version-script'
2574
2575 # machine
2576 arch_default=$(uname -m)
2577 cpu="generic"
2578 intrinsics="none"
2579
2580 # OS
2581 target_os_default=$(tolower $(uname -s))
2582 host_os=$target_os_default
2583
2584 # configurable options
2585 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2586
2587 enable asm
2588 enable debug
2589 enable doc
2590 enable faan faandct faanidct
2591 enable optimizations
2592 enable safe_bitstream_reader
2593 enable static
2594 enable swscale_alpha
2595 enable valgrind_backtrace
2596
2597 # By default, enable only those hwaccels that have no external dependencies.
2598 enable d3d11va dxva2 vda vdpau
2599
2600 # internal components are enabled by default
2601 enable $EXTRALIBS_LIST
2602
2603 # Avoid external, non-system, libraries getting enabled by dependency resolution
2604 disable $EXTERNAL_LIBRARY_LIST
2605
2606 # build settings
2607 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2608 LIBPREF="lib"
2609 LIBSUF=".a"
2610 LIBNAME='$(LIBPREF)$(NAME)$(LIBSUF)'
2611 SLIBPREF="lib"
2612 SLIBSUF=".so"
2613 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
2614 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2615 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2616 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2617 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2618 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2619 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
2620
2621 asflags_filter=echo
2622 cflags_filter=echo
2623 ldflags_filter=echo
2624
2625 AS_C='-c'
2626 AS_O='-o $@'
2627 CC_C='-c'
2628 CC_E='-E -o $@'
2629 CC_O='-o $@'
2630 OBJCC_C='-c'
2631 OBJCC_E='-E -o $@'
2632 OBJCC_O='-o $@'
2633 X86ASM_O='-o $@'
2634 LD_O='-o $@'
2635 LD_LIB='-l%'
2636 LD_PATH='-L'
2637 HOSTCC_C='-c'
2638 HOSTCC_E='-E -o $@'
2639 HOSTCC_O='-o $@'
2640 HOSTLD_O='-o $@'
2641
2642 host_extralibs='-lm'
2643 host_cflags_filter=echo
2644 host_ldflags_filter=echo
2645
2646 target_path='$(CURDIR)'
2647
2648 # since the object filename is not given with the -MM flag, the compiler
2649 # is only able to print the basename, and we must add the path ourselves
2650 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2651 DEPFLAGS='-MM'
2652
2653 mkdir -p avbuild
2654
2655 # find source path
2656 if test -f configure; then
2657 source_path=.
2658 else
2659 source_path=$(cd $(dirname "$0"); pwd)
2660 echo "$source_path" | grep -q '[[:blank:]]' &&
2661 die "Out of tree builds are impossible with whitespace in source path."
2662 test -e "$source_path/config.h" &&
2663 die "Out of tree builds are impossible with config.h in source dir."
2664 fi
2665
2666 for v in "$@"; do
2667 r=${v#*=}
2668 l=${v%"$r"}
2669 r=$(sh_quote "$r")
2670 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2671 done
2672
2673 find_things(){
2674 thing=$1
2675 pattern=$2
2676 file=$source_path/$3
2677 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2678 }
2679
2680 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2681 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2682 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2683 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2684 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2685 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2686 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2687 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2688 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2689
2690 find_things_extern(){
2691 thing=$1
2692 pattern=$2
2693 file=$source_path/$3
2694 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
2695 }
2696
2697 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
2698 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
2699
2700 AVCODEC_COMPONENTS_LIST="
2701 $BSF_LIST
2702 $DECODER_LIST
2703 $ENCODER_LIST
2704 $HWACCEL_LIST
2705 $PARSER_LIST
2706 "
2707
2708 AVDEVICE_COMPONENTS_LIST="
2709 $INDEV_LIST
2710 $OUTDEV_LIST
2711 "
2712
2713 AVFILTER_COMPONENTS_LIST="
2714 $FILTER_LIST
2715 "
2716
2717 AVFORMAT_COMPONENTS_LIST="
2718 $DEMUXER_LIST
2719 $MUXER_LIST
2720 $PROTOCOL_LIST
2721 "
2722
2723 ALL_COMPONENTS="
2724 $AVCODEC_COMPONENTS_LIST
2725 $AVDEVICE_COMPONENTS_LIST
2726 $AVFILTER_COMPONENTS_LIST
2727 $AVFORMAT_COMPONENTS_LIST
2728 "
2729
2730 for n in $COMPONENT_LIST; do
2731 v=$(toupper ${n%s})_LIST
2732 eval enable \$$v
2733 eval ${n}_if_any="\$$v"
2734 done
2735
2736 enable $ARCH_EXT_LIST
2737
2738 die_unknown(){
2739 echo "Unknown option \"$1\"."
2740 echo "See $0 --help for available options."
2741 exit 1
2742 }
2743
2744 print_3_columns() {
2745 printf "%-25s %-25s %-25s\n" $(cat | tr ' ' '\n' | sort)
2746 }
2747
2748 show_list() {
2749 suffix=_$1
2750 shift
2751 echo $* | sed s/$suffix//g | print_3_columns
2752 exit 0
2753 }
2754
2755 rand_list(){
2756 IFS=', '
2757 set -- $*
2758 unset IFS
2759 for thing; do
2760 comp=${thing%:*}
2761 prob=${thing#$comp}
2762 prob=${prob#:}
2763 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2764 echo "prob ${prob:-0.5}"
2765 printf '%s\n' $comp
2766 done
2767 }
2768
2769 do_random(){
2770 action=$1
2771 shift
2772 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2773 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2774 }
2775
2776 for opt do
2777 optval="${opt#*=}"
2778 case "$opt" in
2779 --extra-ldflags=*)
2780 add_ldflags $optval
2781 ;;
2782 --extra-ldexeflags=*)
2783 add_ldexeflags $optval
2784 ;;
2785 --extra-libs=*)
2786 add_extralibs $optval
2787 ;;
2788 --disable-devices)
2789 disable $INDEV_LIST $OUTDEV_LIST
2790 ;;
2791 --enable-debug=*)
2792 debuglevel="$optval"
2793 ;;
2794 --disable-programs)
2795 disable $PROGRAM_LIST
2796 ;;
2797 --disable-everything)
2798 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2799 ;;
2800 --disable-all)
2801 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2802 disable $LIBRARY_LIST $PROGRAM_LIST doc
2803 ;;
2804 --enable-random|--disable-random)
2805 action=${opt%%-random}
2806 do_random ${action#--} $COMPONENT_LIST
2807 ;;
2808 --enable-random=*|--disable-random=*)
2809 action=${opt%%-random=*}
2810 do_random ${action#--} $optval
2811 ;;
2812 --enable-*=*|--disable-*=*)
2813 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2814 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2815 eval list=\$$(toupper $thing)_LIST
2816 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2817 $action $(filter "$name" $list)
2818 ;;
2819 --enable-avserver|--disable-avserver*)
2820 warn "avserver has been removed, the ${opt} option is only"\
2821 "provided for compatibility and will be removed in the future"
2822 ;;
2823 --enable-yasm|--disable-yasm)
2824 warn "The ${opt} option is only provided for compatibility and will be\n"\
2825 "removed in the future. Use --enable-x86asm / --disable-x86asm instead."
2826 test $opt = --enable-yasm && x86asm=yes || x86asm=no
2827 ;;
2828 --enable-?*|--disable-?*)
2829 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2830 if is_in $option $COMPONENT_LIST; then
2831 test $action = disable && action=unset
2832 eval $action \$$(toupper ${option%s})_LIST
2833 elif is_in $option $CMDLINE_SELECT; then
2834 $action $option
2835 else
2836 die_unknown $opt
2837 fi
2838 ;;
2839 --list-*)
2840 NAME="${opt#--list-}"
2841 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2842 NAME=${NAME%s}
2843 eval show_list $NAME \$$(toupper $NAME)_LIST
2844 ;;
2845 --help|-h) show_help
2846 ;;
2847 --quiet|-q) quiet=yes
2848 ;;
2849 *)
2850 optname="${opt%%=*}"
2851 optname="${optname#--}"
2852 optname=$(echo "$optname" | sed 's/-/_/g')
2853 if is_in $optname $CMDLINE_SET; then
2854 eval $optname='$optval'
2855 elif is_in $optname $CMDLINE_APPEND; then
2856 append $optname "$optval"
2857 else
2858 die_unknown $opt
2859 fi
2860 ;;
2861 esac
2862 done
2863
2864 for e in $env; do
2865 eval "export $e"
2866 done
2867
2868 disabled logging && logfile=/dev/null
2869
2870 # Die early if licensing-related configure options are incompatible.
2871 die_license_disabled() {
2872 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
2873 }
2874
2875 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST
2876 map "die_license_disabled nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST $HWACCEL_LIBRARY_NONFREE_LIST
2877 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST
2878
2879 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2880
2881 # Disable all the library-specific components if the library itself
2882 # is disabled, see AVCODEC_LIST and following _LIST variables.
2883
2884 disable_components(){
2885 disabled ${1} && disable $(
2886 eval components="\$$(toupper ${1})_COMPONENTS"
2887 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
2888 )
2889 }
2890
2891 map 'disable_components $v' $LIBRARY_LIST
2892
2893 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2894 set >> $logfile
2895
2896 case "$toolchain" in
2897 *-asan)
2898 cc_default="${toolchain%-asan}"
2899 add_cflags -fsanitize=address
2900 add_ldflags -fsanitize=address
2901 ;;
2902 *-msan)
2903 cc_default="${toolchain%-msan}"
2904 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
2905 add_ldflags -fsanitize=memory
2906 ;;
2907 *-tsan)
2908 cc_default="${toolchain%-tsan}"
2909 add_cflags -fsanitize=thread -fPIE
2910 add_ldflags -fsanitize=thread -pie
2911 case "$toolchain" in
2912 gcc-tsan)
2913 add_cflags -fPIC
2914 add_ldflags -fPIC
2915 ;;
2916 esac
2917 ;;
2918 *-usan)
2919 cc_default="${toolchain%-usan}"
2920 add_cflags -fsanitize=undefined
2921 add_ldflags -fsanitize=undefined
2922 case "$toolchain" in
2923 clang-usan)
2924 add_cflags -O1
2925 ;;
2926 esac
2927 ;;
2928 valgrind-*)
2929 target_exec_default="valgrind"
2930 case "$toolchain" in
2931 valgrind-massif)
2932 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2933 ;;
2934 valgrind-memcheck)
2935 target_exec_args="--track-origins=yes --leak-check=full"
2936 ;;
2937 esac
2938 ;;
2939 msvc)
2940 # Check whether the current MSVC version needs the C99 converter.
2941 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2942 # support enough of C99 to build libav. Default to the new
2943 # behaviour if the regexp was unable to match anything, since this
2944 # successfully parses the version number of existing supported
2945 # versions that require the converter (MSVC 2010 and 2012).
2946 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2947 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2948 cc_default="cl"
2949 else
2950 cc_default="c99wrap cl"
2951 fi
2952 ld_default="$source_path/compat/windows/mslink"
2953 nm_default="dumpbin -symbols"
2954 ar_default="lib"
2955 case "$arch" in
2956 arm*)
2957 as_default="armasm"
2958 ;;
2959 esac
2960 target_os_default="win32"
2961 # Use a relative path for TMPDIR. This makes sure all the
2962 # ffconf temp files are written with a relative path, avoiding
2963 # issues with msys/win32 path conversion for MSVC parameters
2964 # such as -Fo<file> or -out:<file>.
2965 TMPDIR=.
2966 ;;
2967 icl)
2968 cc_default="icl"
2969 ld_default="xilink"
2970 nm_default="dumpbin -symbols"
2971 ar_default="xilib"
2972 target_os_default="win32"
2973 TMPDIR=.
2974 ;;
2975 gcov)
2976 add_cflags -fprofile-arcs -ftest-coverage
2977 add_ldflags -fprofile-arcs -ftest-coverage
2978 ;;
2979 llvm-cov)
2980 add_cflags -fprofile-arcs -ftest-coverage
2981 add_ldflags --coverage
2982 ;;
2983 hardened)
2984 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
2985 add_cflags -fno-strict-overflow -fstack-protector-all
2986 add_ldflags -Wl,-z,relro -Wl,-z,now
2987 ;;
2988 ?*)
2989 die "Unknown toolchain $toolchain"
2990 ;;
2991 esac
2992
2993 test -n "$cross_prefix" && enable cross_compile
2994
2995 if enabled cross_compile; then
2996 test -n "$arch" && test -n "$target_os" ||
2997 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
2998 fi
2999
3000 ar_default="${cross_prefix}${ar_default}"
3001 cc_default="${cross_prefix}${cc_default}"
3002 objcc_default="${cross_prefix}${objcc_default}"
3003 x86asmexe_default="${cross_prefix}${x86asmexe_default}"
3004 nm_default="${cross_prefix}${nm_default}"
3005 pkg_config_default="${cross_prefix}${pkg_config_default}"
3006 ranlib="${cross_prefix}${ranlib}"
3007 strip="${cross_prefix}${strip}"
3008
3009 sysinclude_default="${sysroot}/usr/include"
3010
3011 set_default arch cc pkg_config sysinclude target_exec target_os x86asmexe
3012 enabled cross_compile || host_cc_default=$cc
3013 set_default host_cc
3014
3015 if ! $pkg_config --version >/dev/null 2>&1; then
3016 warn "$pkg_config not found, library detection may fail."
3017 pkg_config=false
3018 fi
3019
3020 exesuf() {
3021 case $1 in
3022 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3023 esac
3024 }
3025
3026 EXESUF=$(exesuf $target_os)
3027 HOSTEXESUF=$(exesuf $host_os)
3028
3029 # set temporary file name
3030 : ${TMPDIR:=$TEMPDIR}
3031 : ${TMPDIR:=$TMP}
3032 : ${TMPDIR:=/tmp}
3033
3034 if ! check_cmd mktemp -u XXXXXX; then
3035 # simple replacement for missing mktemp
3036 # NOT SAFE FOR GENERAL USE
3037 mktemp(){
3038 tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3039 echo "$tmpname"
3040 mkdir "$tmpname"
3041 }
3042 fi
3043
3044 AVTMPDIR=$(mktemp -d "${TMPDIR}/avconf.XXXXXXXX" 2> /dev/null) ||
3045 die "Unable to create temporary directory in $TMPDIR."
3046
3047 tmpfile(){
3048 tmp="${AVTMPDIR}/test"$2
3049 (set -C; exec > $tmp) 2> /dev/null ||
3050 die "Unable to create temporary file in $AVTMPDIR."
3051 eval $1=$tmp
3052 }
3053
3054 trap 'rm -rf -- "$AVTMPDIR"' EXIT
3055 trap 'exit 2' INT
3056
3057 tmpfile TMPASM .asm
3058 tmpfile TMPC .c
3059 tmpfile TMPE $EXESUF
3060 tmpfile TMPH .h
3061 tmpfile TMPO .o
3062 tmpfile TMPS .S
3063 tmpfile TMPSH .sh
3064 tmpfile TMPV .ver
3065
3066 unset -f mktemp
3067
3068 chmod +x $TMPE
3069
3070 # make sure we can execute files in $TMPDIR
3071 cat > $TMPSH 2>> $logfile <<EOF
3072 #! /bin/sh
3073 EOF
3074 chmod +x $TMPSH >> $logfile 2>&1
3075 if ! $TMPSH >> $logfile 2>&1; then
3076 cat <<EOF
3077 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3078 variable to another directory and make sure that it is not mounted noexec.
3079 EOF
3080 die "Sanity test failed."
3081 fi
3082
3083 armasm_flags(){
3084 for flag; do
3085 case $flag in
3086 # Filter out MSVC cl.exe options from cflags that shouldn't
3087 # be passed to gas-preprocessor
3088 -M[TD]*) ;;
3089 *) echo $flag ;;
3090 esac
3091 done
3092 }
3093
3094 ccc_flags(){
3095 for flag; do
3096 case $flag in
3097 -std=c99) echo -c99 ;;
3098 -mcpu=*) echo -arch ${flag#*=} ;;
3099 -mieee) echo -ieee ;;
3100 -O*|-fast) echo $flag ;;
3101 -fno-math-errno) echo -assume nomath_errno ;;
3102 -g) echo -g3 ;;
3103 -Wall) echo -msg_enable level2 ;;
3104 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3105 -Wl,*) echo $flag ;;
3106 -f*|-W*) ;;
3107 *) echo $flag ;;
3108 esac
3109 done
3110 }
3111
3112 cparser_flags(){
3113 for flag; do
3114 case $flag in
3115 -Wno-switch) echo -Wno-switch-enum ;;
3116 -Wno-format-zero-length) ;;
3117 -Wdisabled-optimization) ;;
3118 -Wno-pointer-sign) echo -Wno-other ;;
3119 *) echo $flag ;;
3120 esac
3121 done
3122 }
3123
3124 msvc_common_flags(){
3125 for flag; do
3126 case $flag in
3127 # In addition to specifying certain flags under the compiler
3128 # specific filters, they must be specified here as well or else the
3129 # generic catch all at the bottom will print the original flag.
3130 -Wall) ;;
3131 -Wextra) ;;
3132 -std=c99) ;;
3133 # Common flags
3134 -fomit-frame-pointer) ;;
3135 -g) echo -Z7 ;;
3136 -fno-math-errno) ;;
3137 -fno-common) ;;
3138 -fno-signed-zeros) ;;
3139 -fPIC) ;;
3140 -mthumb) ;;
3141 -march=*) ;;
3142 -lz) echo zlib.lib ;;
3143 -lx264) echo libx264.lib ;;
3144 -l*) echo ${flag#-l}.lib ;;
3145 -L*) echo -libpath:${flag#-L} ;;
3146 *) echo $flag ;;
3147 esac
3148 done
3149 }
3150
3151 msvc_flags(){
3152 msvc_common_flags "$@"
3153 for flag; do
3154 case $flag in
3155 -Wall) echo -W3 -wd4018 -wd4146 -wd4244 -wd4305 \
3156 -wd4554 ;;
3157 -Wextra) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3158 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3159 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3160 -wd4273 -wd4554 -wd4701 -wd4703 ;;
3161 esac
3162 done
3163 }
3164
3165 icl_flags(){
3166 msvc_common_flags "$@"
3167 for flag; do
3168 case $flag in
3169 # Despite what Intel's documentation says -Wall, which is supported
3170 # on Windows, does enable remarks so disable them here.
3171 -Wall) echo $flag -Qdiag-disable:remark ;;
3172 -std=c99) echo -Qstd=c99 ;;
3173 esac
3174 done
3175 }
3176
3177 pgi_flags(){
3178 for flag; do
3179 case $flag in
3180 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3181 -fomit-frame-pointer) echo -Mnoframe ;;
3182 -g) echo -gopt ;;
3183 *) echo $flag ;;
3184 esac
3185 done
3186 }
3187
3188 suncc_flags(){
3189 for flag; do
3190 case $flag in
3191 -march=*|-mcpu=*)
3192 case "${flag#*=}" in
3193 native) echo -xtarget=native ;;
3194 v9|niagara) echo -xarch=sparc ;;
3195 ultrasparc) echo -xarch=sparcvis ;;
3196 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3197 i586|pentium) echo -xchip=pentium ;;
3198 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3199 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3200 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3201 pentium4*) echo -xtarget=pentium4 ;;
3202 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3203 *-sse3) echo -xarch=sse3 ;;
3204 core2) echo -xarch=ssse3 -xchip=core2 ;;
3205 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
3206 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
3207 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
3208 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3209 k8|opteron|athlon64|athlon-fx)
3210 echo -xarch=sse2a ;;
3211 athlon*) echo -xarch=pentium_proa ;;
3212 esac
3213 ;;
3214 -std=c99) echo -xc99 ;;
3215 -fomit-frame-pointer) echo -xregs=frameptr ;;
3216 -fPIC) echo -KPIC -xcode=pic32 ;;
3217 -W*,*) echo $flag ;;
3218 -f*-*|-W*|-mimpure-text) ;;
3219 -shared) echo -G ;;
3220 *) echo $flag ;;
3221 esac
3222 done
3223 }
3224
3225 tms470_flags(){
3226 for flag; do
3227 case $flag in
3228 -march=*|-mcpu=*)
3229 case "${flag#*=}" in
3230 armv7-a|cortex-a*) echo -mv=7a8 ;;
3231 armv7-r|cortex-r*) echo -mv=7r4 ;;
3232 armv7-m|cortex-m*) echo -mv=7m3 ;;
3233 armv6*|arm11*) echo -mv=6 ;;
3234 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3235 echo -mv=5e ;;
3236 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3237 esac
3238 ;;
3239 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3240 -mfpu=vfp) echo --float_support=vfpv2 ;;
3241 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3242 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3243 -msoft-float) echo --float_support=vfplib ;;
3244 -O[0-3]|-mf=*) echo $flag ;;
3245 -g) echo -g -mn ;;
3246 -pds=*) echo $flag ;;
3247 -D*|-I*) echo $flag ;;
3248 --gcc|--abi=*) echo $flag ;;
3249 -me) echo $flag ;;
3250 esac
3251 done
3252 }
3253
3254 probe_cc(){
3255 pfx=$1
3256 _cc=$2
3257
3258 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3259 unset _ld_o _ldflags _ld_lib _ld_path
3260 unset _depflags _DEPCMD _DEPFLAGS
3261 _flags_filter=echo
3262
3263 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3264 _type=llvm_gcc
3265 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3266 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3267 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3268 _cflags_speed='-O3'
3269 _cflags_size='-Os'
3270 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3271 _type=gcc
3272 gcc_version=$($_cc --version | head -n1)
3273 gcc_basever=$($_cc -dumpversion)
3274 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3275 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3276 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3277 if ! $_cc -dumpversion | grep -q '^2\.'; then
3278 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3279 fi
3280 _cflags_speed='-O3'
3281 _cflags_size='-Os'
3282 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3283 _type=icc
3284 _ident=$($_cc --version | head -n1)
3285 _depflags='-MMD'
3286 _cflags_speed='-O3'
3287 _cflags_size='-Os'
3288 _cflags_noopt='-O1'
3289 elif $_cc -v 2>&1 | grep -q xlc; then
3290 _type=xlc
3291 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3292 _cflags_speed='-O5'
3293 _cflags_size='-O5 -qcompact'
3294 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3295 _type=ccc
3296 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3297 _DEPFLAGS='-M'
3298 _cflags_speed='-fast'
3299 _cflags_size='-O1'
3300 _flags_filter=ccc_flags
3301 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3302 test -d "$sysroot" || die "No valid sysroot specified."
3303 _type=armcc
3304 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3305 armcc_conf="$PWD/armcc.conf"
3306 $_cc --arm_linux_configure \
3307 --arm_linux_config_file="$armcc_conf" \
3308 --configure_sysroot="$sysroot" \
3309 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3310 die "Error creating armcc configuration file."
3311 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3312 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3313 as_default="${cross_prefix}gcc"
3314 _depflags='-MMD'
3315 _cflags_speed='-O3'
3316 _cflags_size='-Os'
3317 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3318 _type=tms470
3319 _ident=$($_cc -version | head -n1 | tr -s ' ')
3320 _flags='--gcc --abi=eabi -me'
3321 _cc_e='-ppl -fe=$@'
3322 _cc_o='-fe=$@'
3323 _depflags='-ppa -ppd=$(@:.o=.d)'
3324 _cflags_speed='-O3 -mf=5'
3325 _cflags_size='-O3 -mf=2'
3326 _flags_filter=tms470_flags
3327 elif $_cc -v 2>&1 | grep -q clang; then
3328 _type=clang
3329 _ident=$($_cc --version 2>/dev/null | head -n1)
3330 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3331 _cflags_speed='-O3'
3332 _cflags_size='-Os'
3333 elif $_cc -V 2>&1 | grep -q Sun; then
3334 _type=suncc
3335 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3336 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3337 _DEPFLAGS='-xM1 -xc99'
3338 _ldflags='-std=c99'
3339 _cflags_speed='-O5'
3340 _cflags_size='-O5 -xspace'
3341 _flags_filter=suncc_flags
3342 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3343 _type=pathscale
3344 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3345 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3346 _cflags_speed='-O2'
3347 _cflags_size='-Os'
3348 _flags_filter='filter_out -Wdisabled-optimization'
3349 elif $_cc -v 2>&1 | grep -q Open64; then
3350 _type=open64
3351 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3352 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3353 _cflags_speed='-O2'
3354 _cflags_size='-Os'
3355 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3356 elif $_cc -V 2>&1 | grep -q Portland; then
3357 _type=pgi
3358 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3359 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3360 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3361 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3362 _cflags_noopt="-O1"
3363 _flags_filter=pgi_flags
3364 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3365 _type=armasm
3366 _ident=$($_cc | head -n1)
3367 # 4509: "This form of conditional instruction is deprecated"
3368 _flags="-nologo -ignore 4509"
3369 _flags_filter=armasm_flags
3370 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3371 _type=msvc
3372 _ident=$($_cc 2>&1 | head -n1)
3373 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3374 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3375 _cflags_speed="-O2"
3376 _cflags_size="-O1"
3377 _cflags_noopt="-O1"
3378 if $_cc -nologo- 2>&1 | grep -q Linker; then
3379 _ld_o='-out:$@'
3380 else
3381 _ld_o='-Fe$@'
3382 fi
3383 _cc_o='-Fo$@'
3384 _cc_e='-P -Fi$@'
3385 _flags_filter=msvc_flags
3386 _ld_lib='lib%.a'
3387 _ld_path='-libpath:'
3388 _flags='-nologo'
3389 elif $_cc 2>&1 | grep -q Intel; then
3390 _type=icl
3391 _ident=$($_cc 2>&1 | head -n1)
3392 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3393 # Not only is O3 broken on 13.x+ but it is slower on all previous
3394 # versions (tested) as well.
3395 _cflags_speed="-O2"
3396 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3397 if $_cc 2>&1 | grep -q Linker; then
3398 _ld_o='-out:$@'
3399 else
3400 _ld_o='-Fe$@'
3401 fi
3402 _cc_o='-Fo$@'
3403 _cc_e='-P'
3404 _flags_filter=icl_flags
3405 _ld_lib='lib%.a'
3406 _ld_path='-libpath:'
3407 # -Qdiag-error to make icl error when seeing certain unknown arguments
3408 _flags='-nologo -Qdiag-error:4044,10157'
3409 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3410 # with MSVC which enables it by default.
3411 _cflags='-Qms0 -Qvec- -Qsimd- -GS'
3412 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
3413 # lld can emulate multiple different linkers; in ms link.exe mode,
3414 # the -? parameter gives the help output which contains an identifyable
3415 # string, while it gives an error in other modes.
3416 _type=lld-link
3417 # The link.exe mode doesn't have a switch for getting the version,
3418 # but we can force it back to gnu mode and get the version from there.
3419 _ident=$($_cc -flavor gnu --version 2>/dev/null)
3420 _ld_o='-out:$@'
3421 _flags_filter=msvc_flags
3422 _ld_lib='lib%.a'
3423 _ld_path='-libpath:'
3424 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3425 _type=cparser
3426 _ident=$($_cc --version | head -n1)
3427 _depflags='-MMD'
3428 _cflags_speed='-O4'
3429 _cflags_size='-O2'
3430 _flags_filter=cparser_flags
3431 fi
3432
3433 eval ${pfx}_type=\$_type
3434 eval ${pfx}_ident=\$_ident
3435 }
3436
3437 set_ccvars(){
3438 eval ${1}_C=\${_cc_c-\${${1}_C}}
3439 eval ${1}_E=\${_cc_e-\${${1}_E}}
3440 eval ${1}_O=\${_cc_o-\${${1}_O}}
3441
3442 if [ -n "$_depflags" ]; then
3443 eval ${1}_DEPFLAGS=\$_depflags
3444 else
3445 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3446 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3447 eval DEP${1}FLAGS=\$_flags
3448 fi
3449 }
3450
3451 probe_cc cc "$cc"
3452 cflags_filter=$_flags_filter
3453 cflags_speed=$_cflags_speed
3454 cflags_size=$_cflags_size
3455 cflags_noopt=$_cflags_noopt
3456 add_cflags $_flags $_cflags
3457 cc_ldflags=$_ldflags
3458 set_ccvars CC
3459
3460 probe_cc hostcc "$host_cc"
3461 host_cflags_filter=$_flags_filter
3462 host_cflags_speed=$_cflags_speed
3463 add_host_cflags $_flags $_cflags
3464 set_ccvars HOSTCC
3465
3466 test -n "$cc_type" && enable $cc_type ||
3467 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3468
3469 : ${as_default:=$cc}
3470 : ${objcc_default:=$cc}
3471 : ${dep_cc_default:=$cc}
3472 : ${ld_default:=$cc}
3473 : ${host_ld_default:=$host_cc}
3474 set_default ar as objcc dep_cc ld host_ld
3475
3476 probe_cc as "$as"
3477 asflags_filter=$_flags_filter
3478 add_asflags $_flags $_cflags
3479 set_ccvars AS
3480
3481 probe_cc objcc "$objcc"
3482 objcflags_filter=$_flags_filter
3483 add_objcflags $_flags $_cflags
3484 set_ccvars OBJC
3485
3486 probe_cc ld "$ld"
3487 ldflags_filter=$_flags_filter
3488 add_ldflags $_flags $_ldflags
3489 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3490 LD_O=${_ld_o-$LD_O}
3491 LD_LIB=${_ld_lib-$LD_LIB}
3492 LD_PATH=${_ld_path-$LD_PATH}
3493
3494 probe_cc hostld "$host_ld"
3495 host_ldflags_filter=$_flags_filter
3496 add_host_ldflags $_flags $_ldflags
3497 HOSTLD_O=${_ld_o-$HOSTLD_O}
3498
3499 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3500 probe_cc depcc "$dep_cc"
3501 CCDEP=${_DEPCMD:-$DEPCMD}
3502 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3503 DEPCCFLAGS=$_flags
3504 fi
3505
3506 if $ar 2>&1 | grep -q Microsoft; then
3507 arflags="-nologo"
3508 ar_o='-out:$@'
3509 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3510 arflags="rq"
3511 ar_o='$@'
3512 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3513 arflags='-Xany -r -c'
3514 ar_o='$@'
3515 else
3516 arflags="rc"
3517 ar_o='$@'
3518 fi
3519
3520 add_cflags $extra_cflags
3521 add_objcflags $extra_objcflags
3522 add_asflags $extra_cflags
3523
3524 if test -n "$sysroot"; then
3525 case "$cc_type" in
3526 gcc|llvm_gcc|clang)
3527 add_cppflags --sysroot="$sysroot"
3528 add_ldflags --sysroot="$sysroot"
3529 ;;
3530 tms470)
3531 add_cppflags -I"$sysinclude"
3532 add_ldflags --sysroot="$sysroot"
3533 ;;
3534 esac
3535 fi
3536
3537 if test "$cpu" = host; then
3538 enabled cross_compile &&
3539 die "--cpu=host makes no sense when cross-compiling."
3540
3541 case "$cc_type" in
3542 gcc|llvm_gcc)
3543 check_native(){
3544 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3545 sed -n "/cc1.*$1=/{
3546 s/.*$1=\\([^ ]*\\).*/\\1/
3547 p
3548 q
3549 }" $TMPE
3550 }
3551 cpu=$(check_native -march || check_native -mcpu)
3552 ;;
3553 esac
3554
3555 test "${cpu:-host}" = host &&
3556 die "--cpu=host not supported with compiler $cc"
3557 fi
3558
3559 # Deal with common $arch aliases
3560 case "$arch" in
3561 aarch64|arm64)
3562 arch="aarch64"
3563 ;;
3564 arm*)
3565 arch="arm"
3566 ;;
3567 mips*|IP*)
3568 case "$arch" in
3569 *el)
3570 add_cppflags -EL
3571 add_ldflags -EL
3572 ;;
3573 *eb)
3574 add_cppflags -EB
3575 add_ldflags -EB
3576 ;;
3577 esac
3578 arch="mips"
3579 ;;
3580 parisc*|hppa*)
3581 arch="parisc"
3582 ;;
3583 "Power Macintosh"|ppc*|powerpc*)
3584 arch="ppc"
3585 ;;
3586 s390|s390x)
3587 arch="s390"
3588 ;;
3589 sh4|sh)
3590 arch="sh4"
3591 ;;
3592 sun4u|sparc*)
3593 arch="sparc"
3594 ;;
3595 tilegx|tile-gx)
3596 arch="tilegx"
3597 ;;
3598 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3599 arch="x86"
3600 ;;
3601 esac
3602
3603 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3604 enable $arch
3605
3606 # Add processor-specific flags
3607 if enabled aarch64; then
3608
3609 case $cpu in
3610 armv*)
3611 cpuflags="-march=$cpu"
3612 ;;
3613 *)
3614 cpuflags="-mcpu=$cpu"
3615 ;;
3616 esac
3617
3618 elif enabled alpha; then
3619
3620 cpuflags="-mcpu=$cpu"
3621
3622 elif enabled arm; then
3623
3624 check_arm_arch() {
3625 check_cpp_condition stddef.h \
3626 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3627 $cpuflags
3628 }
3629
3630 probe_arm_arch() {
3631 if check_arm_arch 4; then echo armv4
3632 elif check_arm_arch 4T; then echo armv4t
3633 elif check_arm_arch 5; then echo armv5
3634 elif check_arm_arch 5E; then echo armv5e
3635 elif check_arm_arch 5T; then echo armv5t
3636 elif check_arm_arch 5TE; then echo armv5te
3637 elif check_arm_arch 5TEJ; then echo armv5te
3638 elif check_arm_arch 6; then echo armv6
3639 elif check_arm_arch 6J; then echo armv6j
3640 elif check_arm_arch 6K; then echo armv6k
3641 elif check_arm_arch 6Z; then echo armv6z
3642 elif check_arm_arch 6ZK; then echo armv6zk
3643 elif check_arm_arch 6T2; then echo armv6t2
3644 elif check_arm_arch 7; then echo armv7
3645 elif check_arm_arch 7A 7_A; then echo armv7-a
3646 elif check_arm_arch 7S; then echo armv7-a
3647 elif check_arm_arch 7R 7_R; then echo armv7-r
3648 elif check_arm_arch 7M 7_M; then echo armv7-m
3649 elif check_arm_arch 7EM 7E_M; then echo armv7-m
3650 elif check_arm_arch 8A 8_A; then echo armv8-a
3651 fi
3652 }
3653
3654 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3655
3656 case $cpu in
3657 armv*)
3658 cpuflags="-march=$cpu"
3659 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3660 ;;
3661 *)
3662 cpuflags="-mcpu=$cpu"
3663 case $cpu in
3664 cortex-a*) subarch=armv7a ;;
3665 cortex-r*) subarch=armv7r ;;
3666 cortex-m*) enable thumb; subarch=armv7m ;;
3667 arm11*) subarch=armv6 ;;
3668 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3669 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3670 *) subarch=$(probe_arm_arch) ;;
3671 esac
3672 ;;
3673 esac
3674
3675 case "$subarch" in
3676 armv5t*) enable fast_clz ;;
3677 armv[6-8]*) enable fast_clz fast_unaligned ;;
3678 esac
3679
3680 elif enabled avr32; then
3681
3682 case $cpu in
3683 ap7[02]0[0-2])
3684 subarch="avr32_ap"
3685 cpuflags="-mpart=$cpu"
3686 ;;
3687 ap)
3688 subarch="avr32_ap"
3689 cpuflags="-march=$cpu"
3690 ;;
3691 uc3[ab]*)
3692 subarch="avr32_uc"
3693 cpuflags="-mcpu=$cpu"
3694 ;;
3695 uc)
3696 subarch="avr32_uc"
3697 cpuflags="-march=$cpu"
3698 ;;
3699 esac
3700
3701 elif enabled bfin; then
3702
3703 cpuflags="-mcpu=$cpu"
3704
3705 elif enabled mips; then
3706
3707 cpuflags="-march=$cpu"
3708
3709 elif enabled ppc; then
3710
3711 disable ldbrx
3712
3713 case $(tolower $cpu) in
3714 601|ppc601|powerpc601)
3715 cpuflags="-mcpu=601"
3716 disable altivec
3717 ;;
3718 603*|ppc603*|powerpc603*)
3719 cpuflags="-mcpu=603"
3720 disable altivec
3721 ;;
3722 604*|ppc604*|powerpc604*)
3723 cpuflags="-mcpu=604"
3724 disable altivec
3725 ;;
3726 g3|75*|ppc75*|powerpc75*)
3727 cpuflags="-mcpu=750"
3728 disable altivec
3729 ;;
3730 g4|745*|ppc745*|powerpc745*)
3731 cpuflags="-mcpu=7450"
3732 disable vsx
3733 ;;
3734 74*|ppc74*|powerpc74*)
3735 cpuflags="-mcpu=7400"
3736 disable vsx
3737 ;;
3738 g5|970|ppc970|powerpc970)
3739 cpuflags="-mcpu=970"
3740 disable vsx
3741 ;;
3742 power[3-6]*)
3743 cpuflags="-mcpu=$cpu"
3744 disable vsx
3745 ;;
3746 power[7-8]*)
3747 cpuflags="-mcpu=$cpu"
3748 enable ldbrx
3749 ;;
3750 cell)
3751 cpuflags="-mcpu=cell"
3752 enable ldbrx
3753 disable vsx
3754 ;;
3755 e500mc)
3756 cpuflags="-mcpu=e500mc"
3757 disable altivec
3758 ;;
3759 e500v2)
3760 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3761 disable altivec
3762 disable dcbzl
3763 ;;
3764 e500)
3765 cpuflags="-mcpu=8540 -mhard-float"
3766 disable altivec
3767 disable dcbzl
3768 ;;
3769 esac
3770
3771 elif enabled sparc; then
3772
3773 case $cpu in
3774 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3775 cpuflags="-mcpu=$cpu"
3776 ;;
3777 ultrasparc*|niagara[234])
3778 cpuflags="-mcpu=$cpu"
3779 ;;
3780 esac
3781
3782 elif enabled x86; then
3783
3784 case $cpu in
3785 i[345]86|pentium)
3786 cpuflags="-march=$cpu"
3787 disable i686
3788 disable mmx
3789 ;;
3790 # targets that do NOT support nopl and conditional mov (cmov)
3791 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3792 cpuflags="-march=$cpu"
3793 disable i686
3794 ;;
3795 # targets that do support nopl and conditional mov (cmov)
3796 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3797 cpuflags="-march=$cpu"
3798 enable i686
3799 enable fast_cmov
3800 ;;
3801 # targets that do support conditional mov but on which it's slow
3802 pentium4|pentium4m|prescott|nocona)
3803 cpuflags="-march=$cpu"
3804 enable i686
3805 disable fast_cmov
3806 ;;
3807 esac
3808
3809 fi
3810
3811 if [ "$cpu" != generic ]; then
3812 add_cflags $cpuflags
3813 add_asflags $cpuflags
3814 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
3815 fi
3816
3817 # compiler sanity check
3818 check_exec <<EOF
3819 int main(void){ return 0; }
3820 EOF
3821 if test "$?" != 0; then
3822 echo "$cc is unable to create an executable file."
3823 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3824 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3825 echo "Only do this if you know what cross compiling means."
3826 fi
3827 die "C compiler test failed."
3828 fi
3829
3830 add_cppflags -D_ISOC99_SOURCE
3831
3832 # some compilers silently accept -std=c11, so we also need to check that the
3833 # version macro is defined properly
3834 check_cpp_condition stdlib.h "__STDC_VERSION__ >= 201112L" -std=c11 &&
3835 add_cflags -std=c11 ||
3836 check_cflags -std=c99
3837
3838 check_cppflags -D_FILE_OFFSET_BITS=64
3839 check_cppflags -D_LARGEFILE_SOURCE
3840
3841 add_host_cppflags -D_ISOC99_SOURCE
3842 check_host_cflags -std=c99
3843 check_host_cflags -Wall
3844 check_host_cflags $host_cflags_speed
3845
3846 check_64bit(){
3847 arch32=$1
3848 arch64=$2
3849 expr=$3
3850 check_code cc "" "int test[2*($expr) - 1]" &&
3851 subarch=$arch64 || subarch=$arch32
3852 }
3853
3854 case "$arch" in
3855 aarch64|alpha|ia64)
3856 spic=$shared
3857 ;;
3858 mips)
3859 check_64bit mips mips64 '_MIPS_SIM > 1'
3860 spic=$shared
3861 ;;
3862 parisc)
3863 check_64bit parisc parisc64 'sizeof(void *) > 4'
3864 spic=$shared
3865 ;;
3866 ppc)
3867 check_64bit ppc ppc64 'sizeof(void *) > 4'
3868 spic=$shared
3869 ;;
3870 s390)
3871 check_64bit s390 s390x 'sizeof(void *) > 4'
3872 spic=$shared
3873 ;;
3874 sparc)
3875 check_64bit sparc sparc64 'sizeof(void *) > 4'
3876 spic=$shared
3877 ;;
3878 x86)
3879 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3880 if test "$subarch" = "x86_64"; then
3881 spic=$shared
3882 fi
3883 ;;
3884 esac
3885
3886 enable $subarch
3887 enabled spic && enable_weak pic
3888
3889 enabled x86_64 && objformat=elf64 || objformat="elf32"
3890
3891 # OS specific
3892 case $target_os in
3893 aix)
3894 SHFLAGS=-shared
3895 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3896 enabled shared && add_ldflags -Wl,-brtl
3897 ;;
3898 android)
3899 disable symver
3900 enable section_data_rel_ro
3901 SLIB_INSTALL_NAME='$(SLIBNAME)'
3902 SLIB_INSTALL_LINKS=
3903 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
3904 ;;
3905 haiku)
3906 prefix_default="/boot/common"
3907 network_extralibs="-lnetwork"
3908 host_extralibs=
3909 ;;
3910 sunos)
3911 SHFLAGS='-shared -Wl,-h,$$(@F)'
3912 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3913 network_extralibs="-lsocket -lnsl"
3914 # When using suncc to build, the Solaris linker will mark
3915 # an executable with each instruction set encountered by
3916 # the Solaris assembler. As our libraries contain their own
3917 # guards for processor-specific code, instead suppress
3918 # generation of the HWCAPS ELF section on Solaris x86 only.
3919 enabled_all suncc x86 &&
3920 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3921 add_ldflags -Wl,-M,mapfile
3922 nm_default='nm -P -g'
3923 version_script='-M'
3924 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
3925 ;;
3926 netbsd)
3927 disable symver
3928 oss_indev_extralibs="-lossaudio"
3929 oss_outdev_extralibs="-lossaudio"
3930 ;;
3931 openbsd|bitrig)
3932 disable symver
3933 SHFLAGS='-shared'
3934 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3935 SLIB_INSTALL_LINKS=
3936 oss_indev_extralibs="-lossaudio"
3937 oss_outdev_extralibs="-lossaudio"
3938 ;;
3939 dragonfly)
3940 disable symver
3941 ;;
3942 freebsd)
3943 ;;
3944 bsd/os)
3945 add_extralibs -lpoll -lgnugetopt
3946 ;;
3947 darwin)
3948 enabled ppc && add_asflags -force_cpusubtype_ALL
3949 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3950 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3951 add_ldflags -Wl,-dynamic,-search_paths_first
3952 check_cflags -Werror=partial-availability
3953 SLIBSUF=".dylib"
3954 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
3955 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
3956 enabled x86_64 && objformat="macho64" || objformat="macho32"
3957 enabled_any pic shared ||
3958 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3959 check_header dispatch/dispatch.h &&
3960 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
3961 ;;
3962 msys*)
3963 die "Native MSYS builds are discouraged, please use the MINGW environment."
3964 ;;
3965 mingw32*|mingw64*)
3966 if test $target_os = "mingw32ce"; then
3967 disable network
3968 else
3969 target_os=mingw32
3970 fi
3971 LIBTARGET=i386
3972 if enabled x86_64; then
3973 LIBTARGET="i386:x86-64"
3974 elif enabled arm; then
3975 LIBTARGET=arm-wince
3976 fi
3977 check_ldflags -Wl,--nxcompat
3978 check_ldflags -Wl,--dynamicbase
3979 shlibdir_default="$bindir_default"
3980 SLIBPREF=""
3981 SLIBSUF=".dll"
3982 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3983 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
3984 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3985 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3986 SLIB_INSTALL_LINKS=
3987 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3988 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3989 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3990 enabled x86_64 && objformat="win64" || objformat="win32"
3991 dlltool="${cross_prefix}dlltool"
3992 ranlib=:
3993 enable dos_paths
3994 ;;
3995 win32|win64)
3996 disable symver
3997 if enabled shared; then
3998 # Link to the import library instead of the normal static library
3999 # for shared libs.
4000 LD_LIB='%.lib'
4001 # Cannot build both shared and static libs with MSVC or icl.
4002 disable static
4003 fi
4004 shlibdir_default="$bindir_default"
4005 SLIBPREF=""
4006 SLIBSUF=".dll"
4007 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4008 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
4009 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4010 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4011 SLIB_INSTALL_LINKS=
4012 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4013 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4014 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4015 enabled x86_64 && objformat="win64" || objformat="win32"
4016 ranlib=:
4017 enable dos_paths
4018 ;;
4019 cygwin*)
4020 target_os=cygwin
4021 shlibdir_default="$bindir_default"
4022 SLIBPREF="cyg"
4023 SLIBSUF=".dll"
4024 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4025 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
4026 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4027 SLIB_INSTALL_LINKS=
4028 SLIB_INSTALL_EXTRA_LIB='lib$(NAME).dll.a'
4029 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(NAME).dll.a'
4030 enabled x86_64 && objformat="win64" || objformat="win32"
4031 enable dos_paths
4032 ;;
4033 *-dos|freedos|opendos)
4034 network_extralibs="-lsocket"
4035 objformat="coff"
4036 enable dos_paths
4037 add_cppflags -U__STRICT_ANSI__
4038 ;;
4039 linux)
4040 enable dv1394
4041 enable section_data_rel_ro
4042 ;;
4043 irix*)
4044 target_os=irix
4045 ranlib="echo ignoring ranlib"
4046 ;;
4047 os/2*)
4048 ln_s="cp -f"
4049 objformat="aout"
4050 add_cppflags -D_GNU_SOURCE
4051 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap
4052 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4053 LIBSUF="_s.a"
4054 SLIBPREF=""
4055 SLIBSUF=".dll"
4056 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4057 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4058 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4059 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4060 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4061 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4062 emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'
4063 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4064 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4065 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4066 enable dos_paths
4067 ;;
4068 gnu/kfreebsd)
4069 add_cppflags -D_BSD_SOURCE
4070 ;;
4071 gnu)
4072 ;;
4073 qnx)
4074 add_cppflags -D_QNX_SOURCE
4075 network_extralibs="-lsocket"
4076 ;;
4077 symbian)
4078 SLIBSUF=".dll"
4079 enable dos_paths
4080 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4081 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4082 add_ldflags -Wl,--target1-abs,--no-undefined \
4083 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4084 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4085 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4086 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4087 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4088 ;;
4089 osf1)
4090 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4091 ;;
4092 minix)
4093 ;;
4094 none)
4095 ;;
4096 *)
4097 die "Unknown OS '$target_os'."
4098 ;;
4099 esac
4100
4101 # determine libc flavour
4102
4103 probe_libc(){
4104 pfx=$1
4105 pfx_no_=${pfx%_}
4106 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4107 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4108 eval ${pfx}libc_type=uclibc
4109 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4110 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4111 eval ${pfx}libc_type=glibc
4112 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4113 # MinGW headers can be installed on Cygwin, so check for newlib first.
4114 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4115 eval ${pfx}libc_type=newlib
4116 add_${pfx}cppflags -U__STRICT_ANSI__ -D_XOPEN_SOURCE=600
4117 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4118 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4119 eval ${pfx}libc_type=mingw64
4120 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4121 eval test \$${pfx_no_}cc_type = "gcc" &&
4122 add_${pfx}cppflags -D__printf__=__gnu_printf__
4123 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4124 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4125 eval ${pfx}libc_type=mingw32
4126 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4127 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4128 die "ERROR: MinGW32 runtime version must be >= 3.15."
4129 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4130 check_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700" &&
4131 add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700
4132 check_${pfx}cpp_condition windows.h "defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0502" &&
4133 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
4134 eval test \$${pfx_no_}cc_type = "gcc" &&
4135 add_${pfx}cppflags -D__printf__=__gnu_printf__
4136 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4137 eval ${pfx}libc_type=msvcrt
4138 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
4139 if [ "$pfx" = host_ ]; then
4140 add_host_cppflags -Dsnprintf=_snprintf
4141 else
4142 add_compat strtod.o strtod=avpriv_strtod
4143 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4144 _snprintf=avpriv_snprintf \
4145 vsnprintf=avpriv_vsnprintf
4146 fi
4147 fi
4148 add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS
4149 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4150 # 0x601 by default unless something else is set by the user.
4151 # This can easily lead to us detecting functions only present
4152 # in such new versions and producing binaries requiring windows 7.0.
4153 # Therefore explicitly set the default to XP unless the user has
4154 # set something else on the command line.
4155 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
4156 # family. For these cases, configure is free to use any functions
4157 # found in the SDK headers by default. (Alternatively, we could force
4158 # _WIN32_WINNT to 0x0602 in that case.)
4159 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4160 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }
4161 #ifdef WINAPI_FAMILY
4162 #include <winapifamily.h>
4163 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
4164 #error not desktop
4165 #endif
4166 #endif
4167 EOF
4168 if [ "$pfx" = "" ]; then
4169 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
4170 fi
4171 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4172 eval ${pfx}libc_type=klibc
4173 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4174 eval ${pfx}libc_type=bionic
4175 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4176 eval ${pfx}libc_type=solaris
4177 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4178 else
4179 eval ${pfx}libc_type=default
4180 add_${pfx}cppflags -D_DEFAULT_SOURCE
4181 fi
4182 }
4183
4184 probe_libc
4185 test -n "$libc_type" && enable libc_$libc_type
4186 probe_libc host_
4187 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4188
4189 # hacks for compiler/libc/os combinations
4190
4191 case $libc_type in
4192 bionic)
4193 add_compat strtod.o strtod=avpriv_strtod
4194 ;;
4195 glibc)
4196 if enabled tms470; then
4197 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4198 add_cppflags -D__USER_LABEL_PREFIX__=
4199 add_cppflags -D__builtin_memset=memset
4200 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4201 add_cflags -pds=48 # incompatible redefinition of macro
4202 elif enabled ccc; then
4203 add_ldflags -Wl,-z,now # calls to libots crash without this
4204 fi
4205 ;;
4206 esac
4207
4208 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4209 add_cppflags '-I\$(SRC_PATH)/compat/float'
4210
4211 esc(){
4212 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4213 }
4214
4215 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" > avbuild/config.fate
4216
4217 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4218
4219 set_default $PATHS_LIST
4220 set_default nm
4221
4222 # we need to build at least one lib type
4223 if ! enabled_any static shared; then
4224 cat <<EOF
4225 At least one library type must be built.
4226 Specify --enable-static to build the static libraries or --enable-shared to
4227 build the shared libraries as well. To only build the shared libraries specify
4228 --disable-static in addition to --enable-shared.
4229 EOF
4230 exit 1
4231 fi
4232
4233 disabled optimizations || check_cflags -fomit-frame-pointer
4234
4235 enable_weak_pic() {
4236 disabled pic && return
4237 enable pic
4238 add_cppflags -DPIC
4239 case "$target_os" in
4240 mingw*|cygwin*)
4241 ;;
4242 *)
4243 add_cflags -fPIC
4244 ;;
4245 esac
4246 add_asflags -fPIC
4247 }
4248
4249 enabled pic && enable_weak_pic
4250
4251 check_cc <<EOF || die "Symbol mangling check failed."
4252 int ff_extern;
4253 EOF
4254 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4255 extern_prefix=${sym%%ff_extern*}
4256
4257 ! disabled inline_asm && check_inline_asm inline_asm '"" ::'
4258
4259 _restrict=
4260 for restrict_keyword in restrict __restrict__ __restrict; do
4261 check_cc <<EOF && _restrict=$restrict_keyword && break
4262 void foo(char * $restrict_keyword p);
4263 EOF
4264 done
4265
4266 check_cc <<EOF && enable pragma_deprecated
4267 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4268 EOF
4269
4270 check_cc <<EOF && enable attribute_packed
4271 struct { int x; } __attribute__((packed)) x;
4272 EOF
4273
4274 check_cc <<EOF && enable attribute_may_alias
4275 union { int x; } __attribute__((may_alias)) x;
4276 EOF
4277
4278 check_cc <<EOF || die "endian test failed"
4279 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4280 EOF
4281 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4282
4283 check_gas() {
4284 log "check_gas using '$as' as AS"
4285 # :vararg is used on aarch64, arm and ppc altivec
4286 check_as <<EOF || return 1
4287 .macro m n, y:vararg=0
4288 \n: .int \y
4289 .endm
4290 m x
4291 EOF
4292 # .altmacro is only used in arm asm
4293 ! enabled arm || check_as <<EOF || return 1
4294 .altmacro
4295 EOF
4296 enable gnu_as
4297 return 0
4298 }
4299
4300 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
4301 nogas=:
4302 enabled_any arm aarch64 && nogas=die
4303 enabled_all ppc altivec && nogas=warn
4304 as_noop=-v
4305
4306 case $as_type in
4307 arm*) gaspp_as_type=armasm; as_noop=-h ;;
4308 gcc) gaspp_as_type=gas ;;
4309 *) gaspp_as_type=$as_type ;;
4310 esac
4311
4312 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
4313
4314 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- $as $as_noop &&
4315 gas="gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- $as"
4316
4317 if ! check_gas ; then
4318 as=${gas:=$as}
4319 check_gas || \
4320 $nogas "GNU assembler not found, install/update gas-preprocessor"
4321 fi
4322
4323 check_as <<EOF && enable as_func
4324 .func test
4325 .endfunc
4326 EOF
4327 fi
4328
4329 check_inline_asm inline_asm_labels '"1:\n"'
4330
4331 if enabled aarch64; then
4332 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
4333 # internal assembler in clang 3.3 does not support this instruction
4334 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
4335 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
4336
4337 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4338
4339 elif enabled alpha; then
4340
4341 check_cflags -mieee
4342
4343 elif enabled arm; then
4344
4345 enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb
4346 check_cpp_condition stddef.h "defined __thumb__" && enable_weak thumb
4347 enabled thumb && check_cflags -mthumb || check_cflags -marm
4348
4349 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4350 enable vfp_args
4351 elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
4352 enable vfp_args
4353 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
4354 case "${cross_prefix:-$cc}" in
4355 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4356 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4357 __asm__ (".eabi_attribute 28, 1");
4358 int main(void) { return 0; }
4359 EOF
4360 esac
4361 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4362 fi
4363
4364 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4365 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4366 enabled armv6t2 &&a