libavcodec/mjpeg_qsv: Add QSV MJPEG encoder
[libav.git] / configure
1 #!/bin/sh
2 #
3 # Libav configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
43 fi
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken Libav."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
54 exit 1
55 fi
56
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
59 show_help(){
60 cat <<EOF
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
63
64 Help options:
65 --help print this message
66 --quiet Suppress showing informative output
67 --list-decoders show all available decoders
68 --list-encoders show all available encoders
69 --list-hwaccels show all available hardware accelerators
70 --list-demuxers show all available demuxers
71 --list-muxers show all available muxers
72 --list-parsers show all available parsers
73 --list-protocols show all available protocols
74 --list-bsfs show all available bitstream filters
75 --list-indevs show all available input devices
76 --list-outdevs show all available output devices
77 --list-filters show all available filters
78
79 Standard options:
80 --logfile=FILE log tests and output to FILE [avbuild/config.log]
81 --disable-logging do not log configure debug information
82 --prefix=PREFIX install in PREFIX [$prefix_default]
83 --bindir=DIR install binaries in DIR [PREFIX/bin]
84 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
85 --docdir=DIR install documentation in DIR [PREFIX/share/doc/libav]
86 --libdir=DIR install libs in DIR [PREFIX/lib]
87 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
88 --incdir=DIR install includes in DIR [PREFIX/include]
89 --mandir=DIR install man page in DIR [PREFIX/share/man]
90 --enable-rpath use rpath when linking programs (USE WITH CARE)
91
92 Licensing options:
93 --enable-gpl allow use of GPL code, the resulting libs
94 and binaries will be under GPL [no]
95 --enable-version3 upgrade (L)GPL to version 3 [no]
96 --enable-nonfree allow use of nonfree code, the resulting libs
97 and binaries will be unredistributable [no]
98
99 Configuration options:
100 --disable-static do not build static libraries [no]
101 --enable-shared build shared libraries [no]
102 --enable-small optimize for size instead of speed
103 --enable-runtime-cpudetect detect CPU capabilities at runtime (bigger binary)
104 --enable-gray enable full grayscale support (slower color)
105 --disable-swscale-alpha disable alpha channel support in swscale
106 --disable-all disable building components, libraries and programs
107
108 Program options:
109 --disable-programs do not build command line programs
110 --disable-avconv disable avconv build
111 --disable-avplay disable avplay build
112 --disable-avprobe disable avprobe build
113 --disable-avserver deprecated, does nothing
114
115 Component options:
116 --disable-doc do not build documentation
117 --disable-pod2man do not build manual pages
118 --disable-texi2html do not build HTML documentation
119 --disable-avdevice disable libavdevice build
120 --disable-avcodec disable libavcodec build
121 --disable-avformat disable libavformat build
122 --disable-avutil disable libavutil build
123 --disable-swscale disable libswscale build
124 --disable-avfilter disable video filter support [no]
125 --disable-avresample disable libavresample build [no]
126 --disable-pthreads disable pthreads [auto]
127 --disable-w32threads disable Win32 threads [auto]
128 --disable-network disable network support [no]
129 --disable-dct disable DCT code
130 --disable-error-resilience disable error resilience code
131 --disable-lsp disable LSP code
132 --disable-lzo disable LZO decoder code
133 --disable-mdct disable MDCT code
134 --disable-rdft disable RDFT code
135 --disable-fft disable FFT code
136 --disable-faan disable floating point AAN (I)DCT code
137
138 Individual component options:
139 --disable-everything disable all components listed below
140 --disable-encoder=NAME disable encoder NAME
141 --enable-encoder=NAME enable encoder NAME
142 --disable-encoders disable all encoders
143 --disable-decoder=NAME disable decoder NAME
144 --enable-decoder=NAME enable decoder NAME
145 --disable-decoders disable all decoders
146 --disable-hwaccel=NAME disable hwaccel NAME
147 --enable-hwaccel=NAME enable hwaccel NAME
148 --disable-hwaccels disable all hwaccels
149 --disable-muxer=NAME disable muxer NAME
150 --enable-muxer=NAME enable muxer NAME
151 --disable-muxers disable all muxers
152 --disable-demuxer=NAME disable demuxer NAME
153 --enable-demuxer=NAME enable demuxer NAME
154 --disable-demuxers disable all demuxers
155 --enable-parser=NAME enable parser NAME
156 --disable-parser=NAME disable parser NAME
157 --disable-parsers disable all parsers
158 --enable-bsf=NAME enable bitstream filter NAME
159 --disable-bsf=NAME disable bitstream filter NAME
160 --disable-bsfs disable all bitstream filters
161 --enable-protocol=NAME enable protocol NAME
162 --disable-protocol=NAME disable protocol NAME
163 --disable-protocols disable all protocols
164 --enable-indev=NAME enable input device NAME
165 --disable-indev=NAME disable input device NAME
166 --disable-indevs disable input devices
167 --enable-outdev=NAME enable output device NAME
168 --disable-outdev=NAME disable output device NAME
169 --disable-outdevs disable output devices
170 --disable-devices disable all devices
171 --enable-filter=NAME enable filter NAME
172 --disable-filter=NAME disable filter NAME
173 --disable-filters disable all filters
174
175 External library support:
176
177 Using any of the following switches will allow Libav to link to the
178 corresponding external library. All the components depending on that library
179 will become enabled, if all their other dependencies are met and they are not
180 explicitly disabled. E.g. --enable-libwavpack will enable linking to
181 libwavpack and allow the libwavpack encoder to be built, unless it is
182 specifically disabled with --disable-encoder=libwavpack.
183
184 Note that only the system libraries are auto-detected. All the other external
185 libraries must be explicitly enabled.
186
187 Also note that the following help text describes the purpose of the libraries
188 themselves, not all their features will necessarily be usable by Libav.
189
190 --enable-avisynth video frameserver
191 --enable-avxsynth Linux version of AviSynth
192 --enable-bzlib bzip2 compression [autodetect]
193 --enable-frei0r video filtering plugins
194 --enable-gnutls crypto
195 --enable-libbs2b Bauer stereophonic-to-binaural DSP
196 --enable-libcdio audio CD input
197 --enable-libdc1394 IEEE 1394/Firewire camera input
198 --enable-libdcadec DCA audio decoding
199 --enable-libfaac AAC audio encoding
200 --enable-libfdk-aac AAC audio encoding/decoding
201 --enable-libfontconfig font configuration and management
202 --enable-libfreetype font rendering
203 --enable-libgsm GSM audio encoding/decoding
204 --enable-libhdcd HDCD decoding filter
205 --enable-libilbc ILBC audio encoding/decoding
206 --enable-libjack JACK audio sound server
207 --enable-libkvazaar HEVC video encoding
208 --enable-libmp3lame MP3 audio encoding
209 --enable-libopencore-amrnb AMR-NB audio encoding/decoding
210 --enable-libopencore-amrwb AMR-WB audio decoding
211 --enable-libopencv computer vision
212 --enable-libopenh264 H.264 video encoding/decoding
213 --enable-libopenjpeg JPEG 2000 image encoding/decoding
214 --enable-libopus Opus audio encoding/decoding
215 --enable-libpulse Pulseaudio sound server
216 --enable-librtmp RTMP streaming
217 --enable-libschroedinger Dirac video encoding/decoding
218 --enable-libsnappy snappy compression
219 --enable-libspeex Speex audio encoding/decoding
220 --enable-libtheora Theora video encoding/decoding
221 --enable-libtwolame MP2 audio encoding
222 --enable-libvo-aacenc AAC audio encoding
223 --enable-libvo-amrwbenc AMR-WB audio encoding
224 --enable-libvorbis Vorbis audio encoding/decoding
225 --enable-libvpx VP* video encoding/decoding
226 --enable-libwavpack Wavpack audio encoding/decoding
227 --enable-libwebp WebP image encoding/decoding
228 --enable-libx264 H.264 video encoding
229 --enable-libx265 HEVC video encoding
230 --enable-libxavs Chinese AVS video encoding
231 --enable-libxcb X window system protocol communication
232 --enable-libxcb-shm X11 shm communication [auto]
233 --enable-libxcb-xfixes X11 mouse rendering [auto]
234 --enable-libxvid MPEG-4 ASP video encoding
235 --enable-openssl crypto
236 --enable-zlib compression [autodetect]
237
238 The following libraries provide various hardware acceleration features:
239 --enable-cuda Nvidia CUDA (dynamically linked)
240 --enable-d3d11va Microsoft Direct3D 11 video acceleration [auto]
241 --enable-dxva2 Microsoft DirectX 9 video acceleration [auto]
242 --enable-libmfx Intel MediaSDK (AKA Quick Sync Video)
243 --enable-libnpp Nvidia CUDA processing
244 --enable-mmal Broadcom Multi-Media Abstraction Layer (Raspberry Pi)
245 --enable-nvenc Nvidia video encoding
246 --enable-omx OpenMAX IL
247 --enable-omx-rpi OpenMAX IL for Raspberry Pi
248 --enable-vaapi Video Acceleration API (mainly Unix/Intel)
249 --enable-vda Apple Video Decode Acceleration [auto]
250 --enable-vdpau Nvidia Video Decode and Presentation API for Unix [auto]
251
252 Toolchain options:
253 --arch=ARCH select architecture [$arch]
254 --cpu=CPU select the minimum required CPU (affects
255 instruction selection, may crash on older CPUs)
256 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
257 --enable-cross-compile assume a cross-compiler is used
258 --sysroot=PATH root of cross-build tree
259 --sysinclude=PATH location of cross-build system headers
260 --target-os=OS compiler targets OS [$target_os]
261 --target-exec=CMD command to run executables on target
262 --target-path=DIR path to view of build directory on target
263 --target-samples=DIR path to samples directory on target
264 --toolchain=NAME set tool defaults according to NAME
265 --nm=NM use nm tool
266 --ar=AR use archive tool AR [$ar_default]
267 --as=AS use assembler AS [$as_default]
268 --cc=CC use C compiler CC [$cc_default]
269 --objcc=OCC use ObjC compiler OCC [$cc_default]
270 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
271 --ld=LD use linker LD
272 --x86asmexe=X86ASM use x86 assembler X86ASM
273 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
274 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
275 --host-cc=HOSTCC use host C compiler HOSTCC
276 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
277 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
278 --host-ld=HOSTLD use host linker HOSTLD
279 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
280 --host-libs=HLIBS use libs HLIBS when linking for host
281 --host-os=OS compiler host OS [$target_os]
282 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
283 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
284 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
285 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
286 --extra-ldsoflags=ELDFLAGS add ELDFLAGS to LDSOFLAGS [$LDSOFLAGS]
287 --extra-libs=ELIBS add ELIBS [$ELIBS]
288 --extra-version=STRING version string suffix []
289 --optflags=OPTFLAGS override optimization-related compiler flags
290 --enable-pic build position-independent code
291 --enable-thumb compile for Thumb instruction set
292 --enable-lto use link-time optimization
293 --env="ENV=override" override the environment variables
294
295 Advanced options (experts only):
296 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
297 --custom-allocator=NAME use a supported custom allocator
298 --disable-symver disable symbol versioning
299 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
300 --disable-safe-bitstream-reader
301 disable buffer boundary checking in bitreaders
302 (faster, but may crash)
303 --enable-sram allow use of on-chip SRAM
304
305 Optimization options (experts only):
306 --disable-asm disable all assembly optimizations
307 --disable-altivec disable AltiVec optimizations
308 --disable-vsx disable VSX optimizations
309 --disable-power8 disable POWER8 optimizations
310 --disable-amd3dnow disable 3DNow! optimizations
311 --disable-amd3dnowext disable 3DNow! extended optimizations
312 --disable-mmx disable MMX optimizations
313 --disable-mmxext disable MMXEXT optimizations
314 --disable-sse disable SSE optimizations
315 --disable-sse2 disable SSE2 optimizations
316 --disable-sse3 disable SSE3 optimizations
317 --disable-ssse3 disable SSSE3 optimizations
318 --disable-sse4 disable SSE4 optimizations
319 --disable-sse42 disable SSE4.2 optimizations
320 --disable-avx disable AVX optimizations
321 --disable-xop disable XOP optimizations
322 --disable-fma3 disable FMA3 optimizations
323 --disable-fma4 disable FMA4 optimizations
324 --disable-avx2 disable AVX2 optimizations
325 --disable-armv5te disable armv5te optimizations
326 --disable-armv6 disable armv6 optimizations
327 --disable-armv6t2 disable armv6t2 optimizations
328 --disable-vfp disable VFP optimizations
329 --disable-neon disable NEON optimizations
330 --disable-inline-asm disable use of inline assembly
331 --disable-x86asm disable use of standalone x86 assembly
332
333 Developer options (useful when working on Libav itself):
334 --disable-debug disable debugging symbols
335 --enable-debug=LEVEL set the debug level [$debuglevel]
336 --disable-optimizations disable compiler optimizations
337 --enable-extra-warnings enable more compiler warnings
338 --samples=PATH location of test samples for FATE, if not set use
339 \$LIBAV_SAMPLES at make invocation time.
340 --enable-neon-clobber-test check NEON registers for clobbering (should be
341 used only for debugging purposes)
342 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
343 should be used only for debugging purposes)
344 --enable-random randomly enable/disable components
345 --disable-random
346 --enable-random=LIST randomly enable/disable specific components or
347 --disable-random=LIST component groups. LIST is a comma-separated list
348 of NAME[:PROB] entries where NAME is a component
349 (group) and PROB the probability associated with
350 NAME (default 0.5).
351 --random-seed=VALUE seed value for --enable/disable-random
352 --disable-valgrind-backtrace do not print a backtrace under Valgrind
353 (only applies to --disable-optimizations builds)
354 --ignore-tests=TESTS comma-separated list (without "fate-" prefix
355 in the name) of tests whose result is ignored
356
357 NOTE: Object files are built at the place where configure is launched.
358 EOF
359 exit 0
360 }
361
362 quotes='""'
363
364 log(){
365 echo "$@" >> $logfile
366 }
367
368 log_file(){
369 log BEGIN $1
370 i=1
371 while read line; do
372 printf '%5s %s\n' "${i}" "${line}"
373 i=$(($i+1))
374 done < $1 >> $logfile
375 log END $1
376 }
377
378 echolog(){
379 log "$@"
380 echo "$@"
381 }
382
383 warn(){
384 log "WARNING: $*"
385 WARNINGS="${WARNINGS}WARNING: $*\n"
386 }
387
388 die(){
389 echolog "$@"
390 cat <<EOF
391
392 If you think configure made a mistake, make sure you are using the latest
393 version from Git. If the latest version fails, report the problem to the
394 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
395 EOF
396 if disabled logging; then
397 cat <<EOF
398 Rerun configure with logging enabled (do not use --disable-logging), and
399 include the log this produces with your report.
400 EOF
401 else
402 cat <<EOF
403 Include the log file "$logfile" produced by configure as this will help
404 solving the problem.
405 EOF
406 fi
407 exit 1
408 }
409
410 # Avoid locale weirdness, besides we really just want to translate ASCII.
411 toupper(){
412 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
413 }
414
415 tolower(){
416 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
417 }
418
419 c_escape(){
420 echo "$*" | sed 's/["\\]/\\\0/g'
421 }
422
423 sh_quote(){
424 v=$(echo "$1" | sed "s/'/'\\\\''/g")
425 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
426 echo "$v"
427 }
428
429 cleanws(){
430 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
431 }
432
433 filter(){
434 pat=$1
435 shift
436 for v; do
437 eval "case '$v' in $pat) printf '%s ' '$v' ;; esac"
438 done
439 }
440
441 filter_out(){
442 pat=$1
443 shift
444 for v; do
445 eval "case '$v' in $pat) ;; *) printf '%s ' '$v' ;; esac"
446 done
447 }
448
449 map(){
450 m=$1
451 shift
452 for v; do eval $m; done
453 }
454
455 add_suffix(){
456 suffix=$1
457 shift
458 for v; do echo ${v}${suffix}; done
459 }
460
461 set_all(){
462 value=$1
463 shift
464 for var in $*; do
465 eval $var=$value
466 done
467 }
468
469 set_weak(){
470 value=$1
471 shift
472 for var; do
473 eval : \${$var:=$value}
474 done
475 }
476
477 sanitize_var_name(){
478 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
479 }
480
481 set_sanitized(){
482 var=$1
483 shift
484 eval $(sanitize_var_name "$var")='$*'
485 }
486
487 get_sanitized(){
488 eval echo \$$(sanitize_var_name "$1")
489 }
490
491 pushvar(){
492 for pvar in $*; do
493 eval level=\${${pvar}_level:=0}
494 eval ${pvar}_${level}="\$$pvar"
495 eval ${pvar}_level=$(($level+1))
496 done
497 }
498
499 popvar(){
500 for pvar in $*; do
501 eval level=\${${pvar}_level:-0}
502 test $level = 0 && continue
503 eval level=$(($level-1))
504 eval $pvar="\${${pvar}_${level}}"
505 eval ${pvar}_level=$level
506 eval unset ${pvar}_${level}
507 done
508 }
509
510 enable(){
511 set_all yes $*
512 }
513
514 disable(){
515 set_all no $*
516 }
517
518 enable_weak(){
519 set_weak yes $*
520 }
521
522 disable_weak(){
523 set_weak no $*
524 }
525
526 enable_sanitized(){
527 for var; do
528 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
529 done
530 }
531
532 disable_sanitized(){
533 for var; do
534 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
535 done
536 }
537
538 do_enable_deep(){
539 for var; do
540 enabled $var && continue
541 eval sel="\$${var}_select"
542 eval sgs="\$${var}_suggest"
543 pushvar var sgs
544 enable_deep $sel
545 popvar sgs
546 enable_deep_weak $sgs
547 popvar var
548 done
549 }
550
551 enable_deep(){
552 do_enable_deep $*
553 enable $*
554 }
555
556 enable_deep_weak(){
557 for var; do
558 disabled $var && continue
559 pushvar var
560 do_enable_deep $var
561 popvar var
562 enable_weak $var
563 done
564 }
565
566 enabled(){
567 test "${1#!}" = "$1" && op== || op=!=
568 eval test "x\$${1#!}" $op "xyes"
569 }
570
571 disabled(){
572 test "${1#!}" = "$1" && op== || op=!=
573 eval test "x\$${1#!}" $op "xno"
574 }
575
576 enabled_all(){
577 for opt; do
578 enabled $opt || return 1
579 done
580 }
581
582 disabled_all(){
583 for opt; do
584 disabled $opt || return 1
585 done
586 }
587
588 enabled_any(){
589 for opt; do
590 enabled $opt && return 0
591 done
592 }
593
594 disabled_any(){
595 for opt; do
596 disabled $opt && return 0
597 done
598 return 1
599 }
600
601 set_default(){
602 for opt; do
603 eval : \${$opt:=\$${opt}_default}
604 done
605 }
606
607 is_in(){
608 value=$1
609 shift
610 for var in $*; do
611 [ $var = $value ] && return 0
612 done
613 return 1
614 }
615
616 check_deps(){
617 for cfg; do
618 enabled ${cfg}_checking && die "Circular dependency for $cfg."
619 disabled ${cfg}_checking && continue
620 enable ${cfg}_checking
621
622 eval dep_all="\$${cfg}_deps"
623 eval dep_any="\$${cfg}_deps_any"
624 eval dep_con="\$${cfg}_conflict"
625 eval dep_sel="\$${cfg}_select"
626 eval dep_sgs="\$${cfg}_suggest"
627 eval dep_ifa="\$${cfg}_if"
628 eval dep_ifn="\$${cfg}_if_any"
629
630 pushvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
631 check_deps $dep_all $dep_any $dep_con $dep_sel $dep_sgs $dep_ifa $dep_ifn
632 popvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
633
634 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
635 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
636 enabled_all $dep_all || disable $cfg
637 enabled_any $dep_any || disable $cfg
638 disabled_all $dep_con || disable $cfg
639 disabled_any $dep_sel && disable $cfg
640
641 enabled $cfg && enable_deep_weak $dep_sel $dep_sgs
642
643 for dep in $dep_all $dep_any $dep_sel $dep_sgs; do
644 # filter out library deps, these do not belong in extralibs
645 is_in $dep $LIBRARY_LIST && continue
646 enabled $dep && eval append ${cfg}_extralibs ${dep}_extralibs
647 done
648
649 disable ${cfg}_checking
650 done
651 }
652
653 print_config(){
654 pfx=$1
655 files=$2
656 shift 2
657 map 'eval echo "$v \${$v:-no}"' "$@" |
658 awk "BEGIN { split(\"$files\", files) }
659 {
660 c = \"$pfx\" toupper(\$1);
661 v = \$2;
662 sub(/yes/, 1, v);
663 sub(/no/, 0, v);
664 for (f in files) {
665 file = files[f];
666 if (file ~ /\\.h\$/) {
667 printf(\"#define %s %d\\n\", c, v) >>file;
668 } else if (file ~ /\\.asm\$/) {
669 printf(\"%%define %s %d\\n\", c, v) >>file;
670 } else if (file ~ /\\.mak\$/) {
671 n = -v ? \"\" : \"!\";
672 printf(\"%s%s=yes\\n\", n, c) >>file;
673 }
674 }
675 }"
676 }
677
678 print_enabled(){
679 suf=$1
680 shift
681 for v; do
682 enabled $v && printf "%s\n" ${v%$suf}
683 done
684 }
685
686 append(){
687 var=$1
688 shift
689 eval "$var=\"\$$var $*\""
690 }
691
692 prepend(){
693 var=$1
694 shift
695 eval "$var=\"$* \$$var\""
696 }
697
698 unique(){
699 var=$1
700 uniq_list=""
701 for tok in $(eval echo \$$var); do
702 uniq_list="$(filter_out $tok $uniq_list) $tok"
703 done
704 eval "$var=\"${uniq_list}\""
705 }
706
707 resolve(){
708 var=$1
709 tmpvar=
710 for entry in $(eval echo \$$var); do
711 tmpvar="$tmpvar $(eval echo \$${entry})"
712 done
713 eval "$var=\"${tmpvar}\""
714 }
715
716 add_cppflags(){
717 append CPPFLAGS "$@"
718 }
719
720 add_cflags(){
721 append CFLAGS $($cflags_filter "$@")
722 }
723
724 add_cflags_headers(){
725 append CFLAGS_HEADERS $($cflags_filter "$@")
726 }
727
728 add_asflags(){
729 append ASFLAGS $($asflags_filter "$@")
730 }
731
732 add_objcflags(){
733 append OBJCFLAGS $($objcflags_filter "$@")
734 }
735
736 add_ldflags(){
737 append LDFLAGS $($ldflags_filter "$@")
738 }
739
740 add_ldexeflags(){
741 append LDEXEFLAGS $($ldflags_filter "$@")
742 }
743
744 add_ldsoflags(){
745 append LDSOFLAGS $($ldflags_filter "$@")
746 }
747
748 add_stripflags(){
749 append STRIPFLAGS "$@"
750 }
751
752 add_extralibs(){
753 prepend extralibs $($ldflags_filter "$@")
754 }
755
756 add_host_cppflags(){
757 append host_cppflags "$@"
758 }
759
760 add_host_cflags(){
761 append host_cflags $($host_cflags_filter "$@")
762 }
763
764 add_host_ldflags(){
765 append host_ldflags $($host_ldflags_filter "$@")
766 }
767
768 add_compat(){
769 append compat_objs $1
770 shift
771 map 'add_cppflags -D$v' "$@"
772 }
773
774 check_cmd(){
775 log "$@"
776 "$@" >> $logfile 2>&1
777 }
778
779 cc_o(){
780 eval printf '%s\\n' $CC_O
781 }
782
783 cc_e(){
784 eval printf '%s\\n' $CC_E
785 }
786
787 check_cc(){
788 log check_cc "$@"
789 cat > $TMPC
790 log_file $TMPC
791 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
792 }
793
794 check_objcc(){
795 log check_objcc "$@"
796 cat > $TMPC
797 log_file $TMPC
798 check_cmd $objcc $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPC
799 }
800
801 check_cpp(){
802 log check_cpp "$@"
803 cat > $TMPC
804 log_file $TMPC
805 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
806 }
807
808 as_o(){
809 eval printf '%s\\n' $AS_O
810 }
811
812 check_as(){
813 log check_as "$@"
814 cat > $TMPS
815 log_file $TMPS
816 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
817 }
818
819 check_inline_asm(){
820 log check_inline_asm "$@"
821 name="$1"
822 code="$2"
823 shift 2
824 disable $name
825 check_cc "$@" <<EOF && enable $name
826 void foo(void){ __asm__ volatile($code); }
827 EOF
828 }
829
830 check_insn(){
831 log check_insn "$@"
832 check_inline_asm ${1}_inline "\"$2\""
833 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
834 }
835
836 check_x86asm(){
837 log check_x86asm "$@"
838 echo "$1" > $TMPS
839 log_file $TMPS
840 shift 1
841 check_cmd $x86asmexe $X86ASMFLAGS "$@" -o $TMPO $TMPS
842 }
843
844 ld_o(){
845 eval printf '%s\\n' $LD_O
846 }
847
848 check_ld(){
849 log check_ld "$@"
850 flags=$(filter_out '-l*' "$@")
851 libs=$(filter '-l*' "$@")
852 check_cc $($cflags_filter $flags) || return
853 flags=$($ldflags_filter $flags)
854 libs=$($ldflags_filter $libs)
855 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
856 }
857
858 print_include(){
859 hdr=$1
860 test "${hdr%.h}" = "${hdr}" &&
861 echo "#include $hdr" ||
862 echo "#include <$hdr>"
863 }
864
865 check_code(){
866 log check_code "$@"
867 check=$1
868 headers=$2
869 code=$3
870 shift 3
871 {
872 for hdr in $headers; do
873 print_include $hdr
874 done
875 echo "int main(void) { $code; return 0; }"
876 } | check_$check "$@"
877 }
878
879 check_cppflags(){
880 log check_cppflags "$@"
881 check_cpp "$@" <<EOF && append CPPFLAGS "$@"
882 #include <stdlib.h>;
883 EOF
884 }
885
886 test_cflags(){
887 log test_cflags "$@"
888 set -- $($cflags_filter "$@")
889 check_cc "$@" <<EOF
890 int x;
891 EOF
892 }
893
894 check_cflags(){
895 log check_cflags "$@"
896 test_cflags "$@" && add_cflags "$@"
897 }
898
899 test_objcflags(){
900 log test_objcflags "$@"
901 set -- $($objcflags_filter "$@")
902 check_objcc "$@" <<EOF
903 int x;
904 EOF
905 }
906
907 check_objcflags(){
908 log check_objcflags "$@"
909 test_objcflags "$@" && add_objcflags "$@"
910 }
911
912 test_ldflags(){
913 log test_ldflags "$@"
914 check_ld "$@" <<EOF
915 int main(void){ return 0; }
916 EOF
917 }
918
919 check_ldflags(){
920 log check_ldflags "$@"
921 test_ldflags "$@" && add_ldflags "$@"
922 }
923
924 test_stripflags(){
925 log test_stripflags "$@"
926 # call check_cc to get a fresh TMPO
927 check_cc <<EOF
928 int main(void) { return 0; }
929 EOF
930 check_cmd $strip $STRIPFLAGS "$@" $TMPO
931 }
932
933 check_stripflags(){
934 log check_stripflags "$@"
935 test_stripflags "$@" && add_stripflags "$@"
936 }
937
938 check_header(){
939 log check_header "$@"
940 header=$1
941 shift
942 disable_sanitized $header
943 check_cpp "$@" <<EOF && enable_sanitized $header
944 #include <$header>
945 int x;
946 EOF
947 }
948
949 check_func(){
950 log check_func "$@"
951 func=$1
952 shift
953 disable $func
954 check_ld "$@" <<EOF && enable $func
955 extern int $func();
956 int main(void){ $func(); }
957 EOF
958 }
959
960 check_mathfunc(){
961 log check_mathfunc "$@"
962 func=$1
963 narg=$2
964 shift 2
965 test $narg = 2 && args="f, g" || args="f"
966 disable $func
967 check_ld "$@" <<EOF && enable $func
968 #include <math.h>
969 float foo(float f, float g) { return $func($args); }
970 int main(void){ return 0; }
971 EOF
972 }
973
974 check_func_headers(){
975 log check_func_headers "$@"
976 headers=$1
977 funcs=$2
978 shift 2
979 {
980 for hdr in $headers; do
981 print_include $hdr
982 done
983 for func in $funcs; do
984 echo "long check_$func(void) { return (long) $func; }"
985 done
986 echo "int main(void) { return 0; }"
987 } | check_ld "$@" && enable $funcs && enable_sanitized $headers
988 }
989
990 check_cpp_condition(){
991 log check_cpp_condition "$@"
992 header=$1
993 condition=$2
994 shift 2
995 check_cpp "$@" <<EOF
996 #include <$header>
997 #if !($condition)
998 #error "unsatisfied condition: $condition"
999 #endif
1000 EOF
1001 }
1002
1003 test_cflags_cpp(){
1004 log test_cflags_cpp "$@"
1005 flags=$1
1006 condition=$2
1007 shift 2
1008 set -- $($cflags_filter "$flags")
1009 check_cpp "$@" <<EOF
1010 #if !($condition)
1011 #error "unsatisfied condition: $condition"
1012 #endif
1013 EOF
1014 }
1015
1016 check_lib(){
1017 log check_lib "$@"
1018 name="$1"
1019 headers="$2"
1020 funcs="$3"
1021 shift 3
1022 disable $name
1023 check_func_headers "$headers" "$funcs" "$@" &&
1024 enable $name && eval ${name}_extralibs="\$@"
1025 }
1026
1027 check_pkg_config(){
1028 log check_pkg_config "$@"
1029 name="$1"
1030 pkg_version="$2"
1031 pkg="${2%% *}"
1032 headers="$3"
1033 funcs="$4"
1034 shift 4
1035 disable $name
1036 check_cmd $pkg_config --exists --print-errors $pkg_version || return
1037 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1038 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1039 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1040 enable $name &&
1041 add_cflags "$pkg_cflags" &&
1042 eval $(sanitize_var_name ${name}_extralibs)="\$pkg_libs"
1043 }
1044
1045 check_exec(){
1046 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1047 }
1048
1049 check_exec_crash(){
1050 log check_exec_crash "$@"
1051 code=$(cat)
1052
1053 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1054 # are safe but may not be available everywhere. Thus we use
1055 # raise(SIGTERM) instead. The check is run in a subshell so we
1056 # can redirect the "Terminated" message from the shell. SIGBUS
1057 # is not defined by standard C so it is used conditionally.
1058
1059 (check_exec "$@") >> $logfile 2>&1 <<EOF
1060 #include <signal.h>
1061 static void sighandler(int sig){
1062 raise(SIGTERM);
1063 }
1064 int foo(void){
1065 $code
1066 }
1067 int (*func_ptr)(void) = foo;
1068 int main(void){
1069 signal(SIGILL, sighandler);
1070 signal(SIGFPE, sighandler);
1071 signal(SIGSEGV, sighandler);
1072 #ifdef SIGBUS
1073 signal(SIGBUS, sighandler);
1074 #endif
1075 return func_ptr();
1076 }
1077 EOF
1078 }
1079
1080 check_type(){
1081 log check_type "$@"
1082 headers=$1
1083 type=$2
1084 shift 2
1085 disable_sanitized "$type"
1086 check_code cc "$headers" "$type v" "$@" && enable_sanitized "$type"
1087 }
1088
1089 check_struct(){
1090 log check_struct "$@"
1091 headers=$1
1092 struct=$2
1093 member=$3
1094 shift 3
1095 disable_sanitized "${struct}_${member}"
1096 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1097 enable_sanitized "${struct}_${member}"
1098 }
1099
1100 check_builtin(){
1101 log check_builtin "$@"
1102 name=$1
1103 headers=$2
1104 builtin=$3
1105 shift 3
1106 disable "$name"
1107 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1108 }
1109
1110 check_compile_assert(){
1111 log check_compile_assert "$@"
1112 name=$1
1113 headers=$2
1114 condition=$3
1115 shift 3
1116 disable "$name"
1117 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1118 }
1119
1120 require(){
1121 log require "$@"
1122 name_version="$1"
1123 name="${1%% *}"
1124 headers="$2"
1125 func="$3"
1126 shift 3
1127 check_lib $name "$headers" $func "$@" || die "ERROR: $name_version not found"
1128 }
1129
1130 require_header(){
1131 log require "$@"
1132 header="$1"
1133 shift
1134 check_header "$header" "$@" || die "ERROR: $header not found"
1135 }
1136
1137 require_cpp_condition(){
1138 log require "$@"
1139 header="$1"
1140 condition="$2"
1141 shift 2
1142 check_cpp_condition "$header" "$condition" "$@" || die "ERROR: $condition not satisfied"
1143 }
1144
1145 require_pkg_config(){
1146 log require_pkg_config "$@"
1147 pkg_version="$2"
1148 check_pkg_config "$@" || die "ERROR: $pkg_version not found"
1149 }
1150
1151 hostcc_e(){
1152 eval printf '%s\\n' $HOSTCC_E
1153 }
1154
1155 hostcc_o(){
1156 eval printf '%s\\n' $HOSTCC_O
1157 }
1158
1159 check_host_cc(){
1160 log check_host_cc "$@"
1161 cat > $TMPC
1162 log_file $TMPC
1163 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1164 }
1165
1166 check_host_cpp(){
1167 log check_host_cpp "$@"
1168 cat > $TMPC
1169 log_file $TMPC
1170 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1171 }
1172
1173 check_host_cppflags(){
1174 log check_host_cppflags "$@"
1175 check_host_cpp "$@" <<EOF && append host_cppflags "$@"
1176 #include <stdlib.h>;
1177 EOF
1178 }
1179
1180 check_host_cflags(){
1181 log check_host_cflags "$@"
1182 set -- $($host_cflags_filter "$@")
1183 check_host_cc "$@" <<EOF && append host_cflags "$@"
1184 int x;
1185 EOF
1186 }
1187
1188 check_host_cpp_condition(){
1189 log check_host_cpp_condition "$@"
1190 header=$1
1191 condition=$2
1192 shift 2
1193 check_host_cpp "$@" <<EOF
1194 #include <$header>
1195 #if !($condition)
1196 #error "unsatisfied condition: $condition"
1197 #endif
1198 EOF
1199 }
1200
1201 apply(){
1202 file=$1
1203 shift
1204 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1205 }
1206
1207 cp_if_changed(){
1208 cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1209 mkdir -p "$(dirname $2)"
1210 cp -f "$1" "$2"
1211 }
1212
1213 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1214 # system-dependent things.
1215
1216 AVCODEC_COMPONENTS="
1217 bsfs
1218 decoders
1219 encoders
1220 hwaccels
1221 parsers
1222 "
1223
1224 AVDEVICE_COMPONENTS="
1225 indevs
1226 outdevs
1227 "
1228 AVFILTER_COMPONENTS="
1229 filters
1230 "
1231 AVFORMAT_COMPONENTS="
1232 demuxers
1233 muxers
1234 protocols
1235 "
1236
1237 AVRESAMPLE_COMPONENTS=""
1238 AVUTIL_COMPONENTS=""
1239
1240 COMPONENT_LIST="
1241 $AVCODEC_COMPONENTS
1242 $AVDEVICE_COMPONENTS
1243 $AVFILTER_COMPONENTS
1244 $AVFORMAT_COMPONENTS
1245 $AVRESAMPLE_COMPONENTS
1246 $AVUTIL_COMPONENTS
1247 "
1248
1249 EXAMPLE_LIST="
1250 decode_audio_example
1251 decode_video_example
1252 encode_audio_example
1253 encode_video_example
1254 filter_audio_example
1255 metadata_example
1256 output_example
1257 qsvdec_example
1258 transcode_aac_example
1259 "
1260
1261 # catchall list of things that require external libs to link
1262 EXTRALIBS_LIST="
1263 cpu_init
1264 cws2fws
1265 "
1266
1267 HWACCEL_LIBRARY_NONFREE_LIST="
1268 cuda
1269 libnpp
1270 "
1271 HWACCEL_LIBRARY_LIST="
1272 $HWACCEL_LIBRARY_NONFREE_LIST
1273 d3d11va
1274 dxva2
1275 libmfx
1276 mmal
1277 nvenc
1278 omx
1279 vaapi
1280 vda
1281 vdpau
1282 "
1283
1284 EXTERNAL_LIBRARY_GPL_LIST="
1285 libcdio
1286 libx264
1287 libx265
1288 libxavs
1289 libxvid
1290 "
1291
1292 EXTERNAL_LIBRARY_NONFREE_LIST="
1293 libfaac
1294 libfdk_aac
1295 openssl
1296 "
1297
1298 EXTERNAL_LIBRARY_VERSION3_LIST="
1299 libopencore_amrnb
1300 libopencore_amrwb
1301 libvo_aacenc
1302 libvo_amrwbenc
1303 "
1304
1305 EXTERNAL_LIBRARY_LIST="
1306 $EXTERNAL_LIBRARY_GPL_LIST
1307 $EXTERNAL_LIBRARY_NONFREE_LIST
1308 $EXTERNAL_LIBRARY_VERSION3_LIST
1309 avisynth
1310 avxsynth
1311 frei0r
1312 gnutls
1313 libbs2b
1314 libdc1394
1315 libdcadec
1316 libfontconfig
1317 libfreetype
1318 libgsm
1319 libhdcd
1320 libilbc
1321 libjack
1322 libkvazaar
1323 libmp3lame
1324 libopencv
1325 libopenh264
1326 libopenjpeg
1327 libopus
1328 libpulse
1329 librtmp
1330 libschroedinger
1331 libsnappy
1332 libspeex
1333 libtheora
1334 libtwolame
1335 libvorbis
1336 libvpx
1337 libwavpack
1338 libwebp
1339 libxcb
1340 libxcb_shm
1341 libxcb_xfixes
1342 "
1343
1344 SYSTEM_LIBRARY_LIST="
1345 bzlib
1346 zlib
1347 "
1348
1349 FEATURE_LIST="
1350 gray
1351 hardcoded_tables
1352 omx_rpi
1353 runtime_cpudetect
1354 safe_bitstream_reader
1355 shared
1356 small
1357 sram
1358 static
1359 swscale_alpha
1360 "
1361
1362 LIBRARY_LIST="
1363 avcodec
1364 avdevice
1365 avfilter
1366 avformat
1367 avresample
1368 avutil
1369 swscale
1370 "
1371
1372 LICENSE_LIST="
1373 gpl
1374 nonfree
1375 version3
1376 "
1377
1378 PROGRAM_LIST="
1379 avconv
1380 avplay
1381 avprobe
1382 "
1383
1384 SUBSYSTEM_LIST="
1385 dct
1386 doc
1387 error_resilience
1388 faan
1389 fft
1390 lsp
1391 lzo
1392 mdct
1393 network
1394 rdft
1395 "
1396
1397 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1398 CONFIG_LIST="
1399 $EXAMPLE_LIST
1400 $EXTERNAL_LIBRARY_LIST
1401 $HWACCEL_LIBRARY_LIST
1402 $FEATURE_LIST
1403 $LICENSE_LIST
1404 $LIBRARY_LIST
1405 $PROGRAM_LIST
1406 $SUBSYSTEM_LIST
1407 $SYSTEM_LIBRARY_LIST
1408 neon_clobber_test
1409 pic
1410 pod2man
1411 texi2html
1412 thumb
1413 valgrind_backtrace
1414 xmm_clobber_test
1415 $COMPONENT_LIST
1416 "
1417
1418 THREADS_LIST="
1419 pthreads
1420 w32threads
1421 "
1422
1423 ATOMICS_LIST="
1424 atomics_gcc
1425 atomics_suncc
1426 atomics_win32
1427 "
1428
1429 ARCH_LIST="
1430 aarch64
1431 alpha
1432 arm
1433 avr32
1434 avr32_ap
1435 avr32_uc
1436 bfin
1437 ia64
1438 m68k
1439 mips
1440 mips64
1441 parisc
1442 ppc
1443 ppc64
1444 s390
1445 sh4
1446 sparc
1447 sparc64
1448 tilegx
1449 tilepro
1450 tomi
1451 x86
1452 x86_32
1453 x86_64
1454 "
1455
1456 ARCH_EXT_LIST_ARM="
1457 armv5te
1458 armv6
1459 armv6t2
1460 armv8
1461 neon
1462 vfp
1463 vfpv3
1464 "
1465
1466 ARCH_EXT_LIST_X86_SIMD="
1467 amd3dnow
1468 amd3dnowext
1469 avx
1470 avx2
1471 fma3
1472 fma4
1473 mmx
1474 mmxext
1475 sse
1476 sse2
1477 sse3
1478 sse4
1479 sse42
1480 ssse3
1481 xop
1482 "
1483
1484 ARCH_EXT_LIST_PPC="
1485 altivec
1486 dcbzl
1487 ldbrx
1488 power8
1489 ppc4xx
1490 vsx
1491 "
1492
1493 ARCH_EXT_LIST_X86="
1494 $ARCH_EXT_LIST_X86_SIMD
1495 cpunop
1496 i686
1497 "
1498
1499 ARCH_EXT_LIST_MIPS="
1500 loongson
1501 mips32r1
1502 mips64r1
1503 mips32r2
1504 mips64r2
1505 mips32r6
1506 mips64r6
1507 "
1508
1509 ARCH_EXT_LIST="
1510 $ARCH_EXT_LIST_ARM
1511 $ARCH_EXT_LIST_MIPS
1512 $ARCH_EXT_LIST_PPC
1513 $ARCH_EXT_LIST_X86
1514 vis
1515 "
1516
1517 ARCH_FEATURES="
1518 aligned_stack
1519 fast_64bit
1520 fast_clz
1521 fast_cmov
1522 local_aligned_8
1523 local_aligned_16
1524 local_aligned_32
1525 simd_align_16
1526 simd_align_32
1527 "
1528
1529 BUILTIN_LIST="
1530 atomic_cas_ptr
1531 machine_rw_barrier
1532 MemoryBarrier
1533 mm_empty
1534 rdtsc
1535 sem_timedwait
1536 sync_val_compare_and_swap
1537 "
1538 HAVE_LIST_CMDLINE="
1539 inline_asm
1540 symver
1541 x86asm
1542 "
1543
1544 HAVE_LIST_PUB="
1545 bigendian
1546 fast_unaligned
1547 "
1548
1549 HEADERS_LIST="
1550 AVFoundation_AVFoundation_h
1551 alsa_asoundlib_h
1552 arpa_inet_h
1553 cdio_paranoia_h
1554 cdio_paranoia_paranoia_h
1555 d3d11_h
1556 dispatch_dispatch_h
1557 dev_bktr_ioctl_bt848_h
1558 dev_bktr_ioctl_meteor_h
1559 dev_ic_bt8xx_h
1560 dev_video_bktr_ioctl_bt848_h
1561 dev_video_meteor_ioctl_meteor_h
1562 direct_h
1563 dlfcn_h
1564 dxgidebug_h
1565 dxva_h
1566 gsm_h
1567 io_h
1568 mach_mach_time_h
1569 machine_ioctl_bt848_h
1570 machine_ioctl_meteor_h
1571 malloc_h
1572 poll_h
1573 sndio_h
1574 soundcard_h
1575 stdatomic_h
1576 sys_mman_h
1577 sys_param_h
1578 sys_resource_h
1579 sys_select_h
1580 sys_soundcard_h
1581 sys_time_h
1582 sys_un_h
1583 sys_videoio_h
1584 unistd_h
1585 valgrind_valgrind_h
1586 windows_h
1587 winsock2_h
1588 "
1589
1590 INTRINSICS_LIST="
1591 intrinsics_neon
1592 "
1593
1594 MATH_FUNCS="
1595 atanf
1596 atan2f
1597 cbrtf
1598 cosf
1599 exp2
1600 exp2f
1601 expf
1602 isinf
1603 isnan
1604 ldexpf
1605 llrint
1606 llrintf
1607 log2
1608 log2f
1609 log10f
1610 lrint
1611 lrintf
1612 powf
1613 rint
1614 round
1615 roundf
1616 sinf
1617 trunc
1618 truncf
1619 "
1620
1621 SYSTEM_FUNCS="
1622 aligned_malloc
1623 clock_gettime
1624 closesocket
1625 CommandLineToArgvW
1626 CoTaskMemFree
1627 CryptGenRandom
1628 fcntl
1629 flt_lim
1630 fork
1631 getaddrinfo
1632 gethrtime
1633 getopt
1634 GetProcessAffinityMask
1635 GetProcessMemoryInfo
1636 GetProcessTimes
1637 getrusage
1638 GetSystemTimeAsFileTime
1639 gettimeofday
1640 gmtime_r
1641 inet_aton
1642 isatty
1643 LoadLibrary
1644 localtime_r
1645 mach_absolute_time
1646 MapViewOfFile
1647 memalign
1648 mkstemp
1649 mmap
1650 mprotect
1651 nanosleep
1652 posix_memalign
1653 sched_getaffinity
1654 SetConsoleTextAttribute
1655 setmode
1656 setrlimit
1657 Sleep
1658 strerror_r
1659 sysconf
1660 sysctl
1661 usleep
1662 VirtualAlloc
1663 "
1664
1665 TOOLCHAIN_FEATURES="
1666 as_arch_directive
1667 as_fpu_directive
1668 as_func
1669 as_object_arch
1670 asm_mod_q
1671 attribute_may_alias
1672 attribute_packed
1673 blocks_extension
1674 ebp_available
1675 ebx_available
1676 gnu_as
1677 ibm_asm
1678 inline_asm_labels
1679 pragma_deprecated
1680 symver_asm_label
1681 symver_gnu_asm
1682 vfp_args
1683 xform_asm
1684 xmm_clobbers
1685 "
1686
1687 TYPES_LIST="
1688 CONDITION_VARIABLE_Ptr
1689 socklen_t
1690 struct_addrinfo
1691 struct_group_source_req
1692 struct_ip_mreq_source
1693 struct_ipv6_mreq
1694 struct_pollfd
1695 struct_rusage_ru_maxrss
1696 struct_sockaddr_in6
1697 struct_sockaddr_sa_len
1698 struct_sockaddr_storage
1699 struct_v4l2_frmivalenum_discrete
1700 "
1701
1702 HAVE_LIST="
1703 $ARCH_EXT_LIST
1704 $(add_suffix _external $ARCH_EXT_LIST)
1705 $(add_suffix _inline $ARCH_EXT_LIST)
1706 $ARCH_FEATURES
1707 $BUILTIN_LIST
1708 $HAVE_LIST_CMDLINE
1709 $HAVE_LIST_PUB
1710 $HEADERS_LIST
1711 $INTRINSICS_LIST
1712 $MATH_FUNCS
1713 $SYSTEM_FUNCS
1714 $THREADS_LIST
1715 $TOOLCHAIN_FEATURES
1716 $TYPES_LIST
1717 dos_paths
1718 libc_msvcrt
1719 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
1720 sdl
1721 section_data_rel_ro
1722 threads
1723 uwp
1724 vaapi_drm
1725 vaapi_x11
1726 vdpau_x11
1727 "
1728
1729 # options emitted with CONFIG_ prefix but not available on the command line
1730 CONFIG_EXTRA="
1731 aandcttables
1732 ac3dsp
1733 adts_header
1734 audio_frame_queue
1735 audiodsp
1736 blockdsp
1737 bswapdsp
1738 cabac
1739 dirac_parse
1740 dvprofile
1741 faandct
1742 faanidct
1743 fdctdsp
1744 flacdsp
1745 fmtconvert
1746 g722dsp
1747 gmp
1748 golomb
1749 gplv3
1750 h263dsp
1751 h264chroma
1752 h264dsp
1753 h264parse
1754 h264pred
1755 h264qpel
1756 hevc_ps
1757 hpeldsp
1758 huffman
1759 huffyuvdsp
1760 huffyuvencdsp
1761 idctdsp
1762 iirfilter
1763 imdct15
1764 intrax8
1765 iso_media
1766 ividsp
1767 jpegtables
1768 lgplv3
1769 libx262
1770 libxcb_shape
1771 lpc
1772 lzf
1773 me_cmp
1774 mpeg_er
1775 mpegaudio
1776 mpegaudiodsp
1777 mpegaudioheader
1778 mpegvideo
1779 mpegvideoenc
1780 mss34dsp
1781 pixblockdsp
1782 qpeldsp
1783 qsv
1784 qsvdec
1785 qsvenc
1786 rangecoder
1787 riffdec
1788 riffenc
1789 rtpdec
1790 rtpenc_chain
1791 rv34dsp
1792 sinewin
1793 snappy
1794 srtp
1795 startcode
1796 texturedsp
1797 texturedspenc
1798 tpeldsp
1799 vaapi_encode
1800 vc1dsp
1801 videodsp
1802 vp3dsp
1803 vp56dsp
1804 vp8dsp
1805 wma_freqs
1806 wmv2dsp
1807 "
1808
1809 CMDLINE_SELECT="
1810 $ARCH_EXT_LIST
1811 $CONFIG_LIST
1812 $HAVE_LIST_CMDLINE
1813 $THREADS_LIST
1814 asm
1815 cross_compile
1816 debug
1817 extra_warnings
1818 logging
1819 lto
1820 optimizations
1821 rpath
1822 "
1823
1824 PATHS_LIST="
1825 bindir
1826 datadir
1827 docdir
1828 incdir
1829 libdir
1830 mandir
1831 prefix
1832 shlibdir
1833 "
1834
1835 CMDLINE_SET="
1836 $PATHS_LIST
1837 ar
1838 arch
1839 as
1840 cc
1841 objcc
1842 cpu
1843 cross_prefix
1844 custom_allocator
1845 dep_cc
1846 env
1847 extra_version
1848 host_cc
1849 host_cflags
1850 host_extralibs
1851 host_ld
1852 host_ldflags
1853 host_os
1854 ignore_tests
1855 ld
1856 logfile
1857 malloc_prefix
1858 nm
1859 optflags
1860 pkg_config
1861 pkg_config_flags
1862 random_seed
1863 samples
1864 sysinclude
1865 sysroot
1866 target_exec
1867 target_os
1868 target_path
1869 target_samples
1870 toolchain
1871 x86asmexe
1872 "
1873
1874 CMDLINE_APPEND="
1875 extra_cflags
1876 extra_objcflags
1877 host_cppflags
1878 "
1879
1880 # code dependency declarations
1881
1882 # architecture extensions
1883
1884 armv5te_deps="arm"
1885 armv6_deps="arm"
1886 armv6t2_deps="arm"
1887 armv8_deps="aarch64"
1888 neon_deps_any="aarch64 arm"
1889 intrinsics_neon_deps="neon"
1890 vfp_deps_any="aarch64 arm"
1891 vfpv3_deps="vfp"
1892
1893 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1894
1895 altivec_deps="ppc"
1896 dcbzl_deps="ppc"
1897 ldbrx_deps="ppc"
1898 ppc4xx_deps="ppc"
1899 vsx_deps="altivec"
1900 power8_deps="vsx"
1901
1902 loongson_deps="mips"
1903 mips32r1_deps="mips32"
1904 mips32r2_deps="mips32"
1905 mips32r6_deps="mips32"
1906 mips64r1_deps="mips64"
1907 mips64r2_deps="mips64"
1908 mips64r6_deps="mips64"
1909
1910 vis_deps="sparc"
1911
1912 cpunop_deps="i686"
1913 x86_64_select="i686"
1914 x86_64_suggest="fast_cmov"
1915
1916 amd3dnow_deps="mmx"
1917 amd3dnowext_deps="amd3dnow"
1918 i686_deps="x86"
1919 mmx_deps="x86"
1920 mmxext_deps="mmx"
1921 sse_deps="mmxext"
1922 sse2_deps="sse"
1923 sse3_deps="sse2"
1924 ssse3_deps="sse3"
1925 sse4_deps="ssse3"
1926 sse42_deps="sse4"
1927 avx_deps="sse42"
1928 xop_deps="avx"
1929 fma3_deps="avx"
1930 fma4_deps="avx"
1931 avx2_deps="avx"
1932
1933 mmx_external_deps="x86asm"
1934 mmx_inline_deps="inline_asm x86"
1935 mmx_suggest="mmx_external mmx_inline"
1936
1937 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1938 eval dep=\$${ext}_deps
1939 eval ${ext}_external_deps='"${dep}_external"'
1940 eval ${ext}_inline_deps='"${dep}_inline"'
1941 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1942 done
1943
1944 aligned_stack_if_any="aarch64 ppc x86"
1945 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1946 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1947 fast_unaligned_if_any="aarch64 ppc x86"
1948 simd_align_16_if_any="altivec neon sse"
1949 simd_align_32_if_any="avx"
1950
1951 # system capabilities
1952 symver_if_any="symver_asm_label symver_gnu_asm"
1953 valgrind_backtrace_conflict="optimizations"
1954 valgrind_backtrace_deps="valgrind_valgrind_h"
1955
1956 # threading support
1957 atomics_gcc_if="sync_val_compare_and_swap"
1958 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1959 atomics_win32_if="MemoryBarrier"
1960 atomics_native_if_any="$ATOMICS_LIST"
1961 w32threads_deps="atomics_native"
1962 threads_if_any="$THREADS_LIST"
1963
1964 # subsystems
1965 dct_select="rdft"
1966 dirac_parse_select="golomb"
1967 error_resilience_select="me_cmp"
1968 faandct_deps="faan"
1969 faandct_select="fdctdsp"
1970 faanidct_deps="faan"
1971 faanidct_select="idctdsp"
1972 h264dsp_select="startcode"
1973 hevc_ps_select="golomb"
1974 intrax8_select="blockdsp idctdsp"
1975 mdct_select="fft"
1976 rdft_select="fft"
1977 me_cmp_select="fdctdsp idctdsp pixblockdsp"
1978 mpeg_er_select="error_resilience"
1979 mpegaudio_select="mpegaudiodsp mpegaudioheader"
1980 mpegaudiodsp_select="dct"
1981 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp mpeg_er videodsp"
1982 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
1983 vc1dsp_select="h264chroma qpeldsp startcode"
1984
1985 # decoders / encoders
1986 aac_decoder_select="adts_header imdct15 mdct sinewin"
1987 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
1988 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1989 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
1990 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1991 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
1992 adpcm_g722_decoder_select="g722dsp"
1993 adpcm_g722_encoder_select="g722dsp"
1994 aic_decoder_select="golomb idctdsp"
1995 alac_encoder_select="lpc"
1996 als_decoder_select="bswapdsp"
1997 amrnb_decoder_select="lsp"
1998 amrwb_decoder_select="lsp"
1999 amv_decoder_select="sp5x_decoder"
2000 ape_decoder_select="bswapdsp"
2001 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2002 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2003 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2004 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2005 atrac1_decoder_select="mdct sinewin"
2006 atrac3_decoder_select="mdct"
2007 atrac3p_decoder_select="mdct sinewin"
2008 bink_decoder_select="blockdsp hpeldsp"
2009 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2010 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2011 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2012 clearvideo_decoder_select="idctdsp"
2013 cllc_decoder_select="bswapdsp"
2014 comfortnoise_encoder_select="lpc"
2015 cook_decoder_select="audiodsp mdct sinewin"
2016 cscd_decoder_select="lzo"
2017 cscd_decoder_suggest="zlib"
2018 dca_decoder_select="fmtconvert mdct"
2019 dds_decoder_select="texturedsp"
2020 dnxhd_decoder_select="blockdsp idctdsp"
2021 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2022 dvvideo_decoder_select="dvprofile idctdsp"
2023 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2024 dxa_decoder_deps="zlib"
2025 dxv_decoder_select="lzf texturedsp"
2026 eac3_decoder_select="ac3_decoder"
2027 eac3_encoder_select="ac3_encoder"
2028 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2029 eatgq_decoder_select="aandcttables idctdsp"
2030 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2031 exr_decoder_deps="zlib"
2032 ffv1_decoder_select="rangecoder"
2033 ffv1_encoder_select="rangecoder"
2034 ffvhuff_decoder_select="huffyuv_decoder"
2035 ffvhuff_encoder_select="huffyuv_encoder"
2036 fic_decoder_select="golomb"
2037 flac_decoder_select="flacdsp"
2038 flac_encoder_select="bswapdsp flacdsp lpc"
2039 flashsv_decoder_deps="zlib"
2040 flashsv_encoder_deps="zlib"
2041 flashsv2_decoder_deps="zlib"
2042 flv_decoder_select="h263_decoder"
2043 flv_encoder_select="h263_encoder"
2044 fourxm_decoder_select="blockdsp bswapdsp"
2045 fraps_decoder_select="bswapdsp huffman"
2046 g2m_decoder_deps="zlib"
2047 g2m_decoder_select="blockdsp idctdsp jpegtables"
2048 h261_decoder_select="mpeg_er mpegvideo"
2049 h261_encoder_select="aandcttables mpegvideoenc"
2050 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
2051 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2052 h263i_decoder_select="h263_decoder"
2053 h263p_encoder_select="h263_encoder"
2054 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2055 h264_decoder_suggest="error_resilience"
2056 hap_decoder_select="snappy texturedsp"
2057 hap_encoder_deps="libsnappy"
2058 hap_encoder_select="texturedspenc"
2059 hevc_decoder_select="bswapdsp cabac hevc_ps videodsp"
2060 huffyuv_decoder_select="bswapdsp huffyuvdsp"
2061 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
2062 iac_decoder_select="imc_decoder"
2063 imc_decoder_select="bswapdsp fft mdct sinewin"
2064 indeo3_decoder_select="hpeldsp"
2065 indeo4_decoder_select="ividsp"
2066 indeo5_decoder_select="ividsp"
2067 interplay_video_decoder_select="hpeldsp"
2068 jpegls_decoder_select="mjpeg_decoder"
2069 jv_decoder_select="blockdsp"
2070 lagarith_decoder_select="huffyuvdsp"
2071 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2072 magicyuv_decoder_select="huffyuvdsp"
2073 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2074 metasound_decoder_select="lsp mdct sinewin"
2075 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2076 mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
2077 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2078 mjpegb_decoder_select="mjpeg_decoder"
2079 mlp_decoder_select="mlp_parser"
2080 motionpixels_decoder_select="bswapdsp"
2081 mp1_decoder_select="mpegaudio"
2082 mp1float_decoder_select="mpegaudio"
2083 mp2_decoder_select="mpegaudio"
2084 mp2float_decoder_select="mpegaudio"
2085 mp3_decoder_select="mpegaudio"
2086 mp3adu_decoder_select="mpegaudio"
2087 mp3adufloat_decoder_select="mpegaudio"
2088 mp3float_decoder_select="mpegaudio"
2089 mp3on4_decoder_select="mpegaudio"
2090 mp3on4float_decoder_select="mpegaudio"
2091 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2092 mpc8_decoder_select="mpegaudiodsp"
2093 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2094 mpeg1video_encoder_select="aandcttables mpegvideoenc"
2095 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2096 mpeg2video_encoder_select="aandcttables mpegvideoenc"
2097 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2098 mpeg4_encoder_select="h263_encoder"
2099 msa1_decoder_select="mss34dsp"
2100 msmpeg4v1_decoder_select="h263_decoder"
2101 msmpeg4v2_decoder_select="h263_decoder"
2102 msmpeg4v2_encoder_select="h263_encoder"
2103 msmpeg4v3_decoder_select="h263_decoder"
2104 msmpeg4v3_encoder_select="h263_encoder"
2105 mss2_decoder_select="error_resilience mpeg_er mpegvideo qpeldsp vc1_decoder"
2106 mts2_decoder_select="mss34dsp"
2107 mxpeg_decoder_select="mjpeg_decoder"
2108 nellymoser_decoder_select="mdct sinewin"
2109 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2110 nuv_decoder_select="idctdsp lzo"
2111 on2avc_decoder_select="mdct"
2112 opus_decoder_deps="avresample"
2113 opus_decoder_select="imdct15"
2114 png_decoder_deps="zlib"
2115 png_encoder_deps="zlib"
2116 png_encoder_select="huffyuvencdsp"
2117 prores_decoder_select="idctdsp"
2118 prores_encoder_select="fdctdsp"
2119 qcelp_decoder_select="lsp"
2120 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2121 ra_144_encoder_select="audio_frame_queue lpc"
2122 ralf_decoder_select="golomb"
2123 rscc_decoder_deps="zlib"
2124 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2125 rv10_encoder_select="h263_encoder"
2126 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2127 rv20_encoder_select="h263_encoder"
2128 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2129 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2130 screenpresso_decoder_deps="zlib"
2131 sipr_decoder_select="lsp"
2132 sp5x_decoder_select="mjpeg_decoder"
2133 svq1_decoder_select="hpeldsp"
2134 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2135 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2136 svq3_decoder_suggest="zlib"
2137 tak_decoder_select="audiodsp"
2138 tdsc_decoder_deps="zlib"
2139 tdsc_decoder_select="mjpeg_decoder"
2140 theora_decoder_select="vp3_decoder"
2141 thp_decoder_select="mjpeg_decoder"
2142 tiff_decoder_suggest="zlib"
2143 tiff_encoder_suggest="zlib"
2144 truehd_decoder_select="mlp_decoder"
2145 truemotion2_decoder_select="bswapdsp"
2146 truespeech_decoder_select="bswapdsp"
2147 tscc_decoder_deps="zlib"
2148 txd_decoder_select="texturedsp"
2149 twinvq_decoder_select="mdct lsp sinewin"
2150 utvideo_decoder_select="bswapdsp huffyuvdsp"
2151 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2152 vble_decoder_select="huffyuvdsp"
2153 vc1_decoder_select="blockdsp error_resilience h263_decoder h264qpel intrax8 mpeg_er mpegvideo vc1dsp"
2154 vc1image_decoder_select="vc1_decoder"
2155 vorbis_decoder_select="mdct"
2156 vorbis_encoder_select="mdct"
2157 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2158 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2159 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2160 vp6a_decoder_select="vp6_decoder"
2161 vp6f_decoder_select="vp6_decoder"
2162 vp7_decoder_select="h264pred videodsp vp8dsp"
2163 vp8_decoder_select="h264pred videodsp vp8dsp"
2164 vp9_decoder_select="videodsp vp9_superframe_split_bsf"
2165 webp_decoder_select="vp8_decoder"
2166 wmapro_decoder_select="mdct sinewin wma_freqs"
2167 wmav1_decoder_select="mdct sinewin wma_freqs"
2168 wmav1_encoder_select="mdct sinewin wma_freqs"
2169 wmav2_decoder_select="mdct sinewin wma_freqs"
2170 wmav2_encoder_select="mdct sinewin wma_freqs"
2171 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2172 wmv1_decoder_select="h263_decoder"
2173 wmv1_encoder_select="h263_encoder"
2174 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2175 wmv2_encoder_select="h263_encoder wmv2dsp"
2176 wmv3_decoder_select="vc1_decoder"
2177 wmv3image_decoder_select="wmv3_decoder"
2178 zerocodec_decoder_deps="zlib"
2179 zlib_decoder_deps="zlib"
2180 zlib_encoder_deps="zlib"
2181 zmbv_decoder_deps="zlib"
2182 zmbv_encoder_deps="zlib"
2183
2184 # hardware accelerators
2185 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2186 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32"
2187 vda_deps="VideoDecodeAcceleration_VDADecoder_h blocks_extension pthreads"
2188 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2189
2190 h263_vaapi_hwaccel_deps="vaapi"
2191 h263_vaapi_hwaccel_select="h263_decoder"
2192 h264_d3d11va_hwaccel_deps="d3d11va"
2193 h264_d3d11va_hwaccel_select="h264_decoder"
2194 h264_d3d11va2_hwaccel_deps="d3d11va"
2195 h264_d3d11va2_hwaccel_select="h264_decoder"
2196 h264_dxva2_hwaccel_deps="dxva2"
2197 h264_dxva2_hwaccel_select="h264_decoder"
2198 h264_mmal_hwaccel_deps="mmal"
2199 h264_qsv_hwaccel_deps="libmfx"
2200 h264_vaapi_hwaccel_deps="vaapi"
2201 h264_vaapi_hwaccel_select="h264_decoder"
2202 h264_vda_hwaccel_deps="vda"
2203 h264_vda_hwaccel_select="h264_decoder"
2204 h264_vda_old_hwaccel_deps="vda"
2205 h264_vda_old_hwaccel_select="h264_decoder"
2206 h264_vdpau_hwaccel_deps="vdpau"
2207 h264_vdpau_hwaccel_select="h264_decoder"
2208 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2209 hevc_d3d11va_hwaccel_select="hevc_decoder"
2210 hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2211 hevc_d3d11va2_hwaccel_select="hevc_decoder"
2212 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2213 hevc_dxva2_hwaccel_select="hevc_decoder"
2214 hevc_qsv_hwaccel_deps="libmfx"
2215 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2216 hevc_vaapi_hwaccel_select="hevc_decoder"
2217 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2218 hevc_vdpau_hwaccel_select="hevc_decoder"
2219 mpeg1_vdpau_hwaccel_deps="vdpau"
2220 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2221 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2222 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2223 mpeg2_d3d11va2_hwaccel_deps="d3d11va"
2224 mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"
2225 mpeg2_dxva2_hwaccel_deps="dxva2"
2226 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2227 mpeg2_mmal_hwaccel_deps="mmal"
2228 mpeg2_qsv_hwaccel_deps="libmfx"
2229 mpeg2_vaapi_hwaccel_deps="vaapi"
2230 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2231 mpeg2_vdpau_hwaccel_deps="vdpau"
2232 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2233 mpeg4_vaapi_hwaccel_deps="vaapi"
2234 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2235 mpeg4_vdpau_hwaccel_deps="vdpau"
2236 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2237 vc1_d3d11va_hwaccel_deps="d3d11va"
2238 vc1_d3d11va_hwaccel_select="vc1_decoder"
2239 vc1_d3d11va2_hwaccel_deps="d3d11va"
2240 vc1_d3d11va2_hwaccel_select="vc1_decoder"
2241 vc1_dxva2_hwaccel_deps="dxva2"
2242 vc1_dxva2_hwaccel_select="vc1_decoder"
2243 vc1_mmal_hwaccel_deps="mmal"
2244 vc1_qsv_hwaccel_deps="libmfx"
2245 vc1_vaapi_hwaccel_deps="vaapi"
2246 vc1_vaapi_hwaccel_select="vc1_decoder"
2247 vc1_vdpau_hwaccel_deps="vdpau"
2248 vc1_vdpau_hwaccel_select="vc1_decoder"
2249 vp8_qsv_hwaccel_deps="libmfx"
2250 vp8_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferVP8"
2251 vp8_vaapi_hwaccel_select="vp8_decoder"
2252 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2253 wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"
2254 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2255 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2256 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2257
2258 # hardware-accelerated codecs
2259 nvenc_deps_any="libdl LoadLibrary"
2260 omx_deps="libdl pthreads"
2261 omx_rpi_select="omx"
2262 qsv_deps="libmfx"
2263 qsvdec_select="qsv"
2264 qsvenc_select="qsv"
2265 vaapi_encode_deps="vaapi"
2266
2267 hwupload_cuda_filter_deps="cuda"
2268 scale_npp_filter_deps="cuda libnpp"
2269
2270 h264_mmal_decoder_deps="mmal"
2271 h264_nvenc_encoder_deps="nvenc"
2272 h264_omx_encoder_deps="omx"
2273 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2274 h264_qsv_encoder_select="qsvenc"
2275 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2276 h264_vaapi_encoder_select="vaapi_encode golomb"
2277 hevc_nvenc_encoder_deps="nvenc"
2278 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser hevc_qsv_hwaccel qsvdec"
2279 hevc_qsv_encoder_select="hevc_ps qsvenc"
2280 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2281 hevc_vaapi_encoder_select="vaapi_encode golomb"
2282 mjpeg_qsv_encoder_deps="libmfx"
2283 mjpeg_qsv_encoder_select="qsvenc"
2284 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2285 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2286 mpeg2_mmal_decoder_deps="mmal"
2287 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel mpegvideo_parser"
2288 mpeg2_qsv_encoder_select="qsvenc"
2289 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2290 mpeg2_vaapi_encoder_select="vaapi_encode"
2291 mpeg4_omx_encoder_deps="omx"
2292 vc1_mmal_decoder_deps="mmal"
2293 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel vc1_parser"
2294 vp8_qsv_decoder_select="qsvdec vp8_qsv_hwaccel vp8_parser"
2295 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2296 vp8_vaapi_encoder_select="vaapi_encode"
2297 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
2298 vp9_vaapi_encoder_select="vaapi_encode"
2299
2300 nvenc_h264_encoder_select="h264_nvenc_encoder"
2301 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2302
2303 # parsers
2304 aac_parser_select="adts_header"
2305 h264_parser_select="golomb h264dsp h264parse"
2306 hevc_parser_select="hevc_ps"
2307 mpegaudio_parser_select="mpegaudioheader"
2308 mpegvideo_parser_select="mpegvideo"
2309 mpeg4video_parser_select="error_resilience h263dsp mpegvideo qpeldsp"
2310 vc1_parser_select="vc1dsp"
2311
2312 # bitstream_filters
2313 aac_adtstoasc_bsf_select="adts_header"
2314 mjpeg2jpeg_bsf_select="jpegtables"
2315
2316 # external libraries
2317 avisynth_deps="LoadLibrary"
2318 avxsynth_deps="libdl"
2319 avisynth_demuxer_deps_any="avisynth avxsynth"
2320 avisynth_demuxer_select="riffdec"
2321 libdcadec_decoder_deps="libdcadec"
2322 libfaac_encoder_deps="libfaac"
2323 libfaac_encoder_select="audio_frame_queue"
2324 libfdk_aac_decoder_deps="libfdk_aac"
2325 libfdk_aac_encoder_deps="libfdk_aac"
2326 libfdk_aac_encoder_select="audio_frame_queue"
2327 libgsm_decoder_deps="libgsm"
2328 libgsm_encoder_deps="libgsm"
2329 libgsm_ms_decoder_deps="libgsm"
2330 libgsm_ms_encoder_deps="libgsm"
2331 libilbc_decoder_deps="libilbc"
2332 libilbc_encoder_deps="libilbc"
2333 libkvazaar_encoder_deps="libkvazaar"
2334 libmp3lame_encoder_deps="libmp3lame"
2335 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
2336 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2337 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2338 libopencore_amrnb_encoder_select="audio_frame_queue"
2339 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2340 libopenh264_decoder_deps="libopenh264"
2341 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2342 libopenh264_encoder_deps="libopenh264"
2343 libopenjpeg_decoder_deps="libopenjpeg"
2344 libopenjpeg_encoder_deps="libopenjpeg"
2345 libopus_decoder_deps="libopus"
2346 libopus_encoder_deps="libopus"
2347 libopus_encoder_select="audio_frame_queue"
2348 libschroedinger_decoder_deps="libschroedinger"
2349 libschroedinger_encoder_deps="libschroedinger"
2350 libspeex_decoder_deps="libspeex"
2351 libspeex_encoder_deps="libspeex"
2352 libspeex_encoder_select="audio_frame_queue"
2353 libtheora_encoder_deps="libtheora"
2354 libtwolame_encoder_deps="libtwolame"
2355 libvo_aacenc_encoder_deps="libvo_aacenc"
2356 libvo_aacenc_encoder_select="audio_frame_queue"
2357 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2358 libvorbis_encoder_deps="libvorbis"
2359 libvorbis_encoder_select="audio_frame_queue"
2360 libvpx_vp8_decoder_deps="libvpx"
2361 libvpx_vp8_encoder_deps="libvpx"
2362 libvpx_vp9_decoder_deps="libvpx"
2363 libvpx_vp9_encoder_deps="libvpx"
2364 libwavpack_encoder_deps="libwavpack"
2365 libwavpack_encoder_select="audio_frame_queue"
2366 libwebp_encoder_deps="libwebp"
2367 libx262_encoder_deps="libx262"
2368 libx264_encoder_deps="libx264"
2369 libx265_encoder_deps="libx265"
2370 libxavs_encoder_deps="libxavs"
2371 libxvid_encoder_deps="libxvid mkstemp"
2372
2373 # demuxers / muxers
2374 ac3_demuxer_select="ac3_parser"
2375 asf_demuxer_select="riffdec"
2376 asf_muxer_select="riffenc"
2377 asf_stream_muxer_select="asf_muxer"
2378 avi_demuxer_select="iso_media riffdec"
2379 avi_muxer_select="riffenc"
2380 caf_demuxer_select="iso_media riffdec"
2381 dash_muxer_select="mp4_muxer"
2382 dirac_demuxer_select="dirac_parser"
2383 dv_demuxer_select="dvprofile"
2384 dv_muxer_select="dvprofile"
2385 dxa_demuxer_select="riffdec"
2386 eac3_demuxer_select="ac3_parser"
2387 f4v_muxer_select="mov_muxer"
2388 flac_demuxer_select="flac_parser"
2389 hds_muxer_select="flv_muxer"
2390 hls_muxer_select="mpegts_muxer"
2391 ipod_muxer_select="mov_muxer"
2392 ismv_muxer_select="mov_muxer"
2393 matroska_audio_muxer_select="matroska_muxer"
2394 matroska_demuxer_select="iso_media riffdec"
2395 matroska_demuxer_suggest="bzlib lzo zlib"
2396 matroska_muxer_select="iso_media riffenc"
2397 mmf_muxer_select="riffenc"
2398 mov_demuxer_select="iso_media riffdec"
2399 mov_demuxer_suggest="zlib"
2400 mov_muxer_select="iso_media riffenc rtpenc_chain"
2401 mp3_demuxer_select="mpegaudio_parser"
2402 mp3_muxer_select="mpegaudioheader"
2403 mp4_muxer_select="mov_muxer"
2404 mpegts_demuxer_select="iso_media"
2405 mpegts_muxer_select="adts_muxer latm_muxer"
2406 mpegtsraw_demuxer_select="mpegts_demuxer"
2407 mxf_d10_muxer_select="mxf_muxer"
2408 nut_muxer_select="riffenc"
2409 nuv_demuxer_select="riffdec"
2410 oga_muxer_select="ogg_muxer"
2411 ogg_demuxer_select="dirac_parse"
2412 opus_muxer_select="ogg_muxer"
2413 psp_muxer_select="mov_muxer"
2414 rtp_demuxer_select="sdp_demuxer"
2415 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
2416 rtsp_demuxer_select="http_protocol rtpdec"
2417 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2418 sap_demuxer_select="sdp_demuxer"
2419 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2420 sdp_demuxer_select="rtpdec"
2421 smoothstreaming_muxer_select="ismv_muxer"
2422 spdif_demuxer_select="adts_header"
2423 spdif_muxer_select="adts_header"
2424 spx_muxer_select="ogg_muxer"
2425 swf_demuxer_suggest="zlib"
2426 tak_demuxer_select="tak_parser"
2427 tg2_muxer_select="mov_muxer"
2428 tgp_muxer_select="mov_muxer"
2429 w64_demuxer_select="wav_demuxer"
2430 wav_demuxer_select="riffdec"
2431 wav_muxer_select="riffenc"
2432 webm_muxer_select="iso_media riffenc"
2433 wtv_demuxer_select="mpegts_demuxer riffdec"
2434 xmv_demuxer_select="riffdec"
2435 xwma_demuxer_select="riffdec"
2436
2437 # indevs / outdevs
2438 alsa_indev_deps="alsa"
2439 alsa_outdev_deps="alsa"
2440 avfoundation_indev_deps="AVFoundation_AVFoundation_h objc_arc pthreads"
2441 avfoundation_indev_extralibs="-framework Foundation -framework AVFoundation -framework CoreVideo -framework CoreMedia"
2442 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2443 dv1394_indev_deps="dv1394"
2444 dv1394_indev_select="dv_demuxer"
2445 fbdev_indev_deps="linux_fb_h"
2446 jack_indev_deps="libjack"
2447 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
2448 libcdio_indev_deps="libcdio"
2449 libdc1394_indev_deps="libdc1394"
2450 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2451 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2452 pulse_indev_deps="libpulse"
2453 sndio_indev_deps="sndio"
2454 sndio_outdev_deps="sndio"
2455 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2456 vfwcap_indev_deps="vfw32 vfwcap_defines"
2457 xcbgrab_indev_deps="libxcb libxcb_shape"
2458 xcbgrab_indev_suggest="libxcb_shm libxcb_xfixes"
2459
2460 # protocols
2461 ffrtmpcrypt_protocol_conflict="librtmp_protocol"
2462 ffrtmpcrypt_protocol_deps_any="gmp openssl"
2463 ffrtmpcrypt_protocol_select="tcp_protocol"
2464 ffrtmphttp_protocol_conflict="librtmp_protocol"
2465 ffrtmphttp_protocol_select="http_protocol"
2466 gopher_protocol_select="network"
2467 http_protocol_select="tcp_protocol"
2468 http_protocol_suggest="zlib"
2469 httpproxy_protocol_select="tcp_protocol"
2470 httpproxy_protocol_suggest="zlib"
2471 https_protocol_select="tls_protocol"
2472 https_protocol_suggest="zlib"
2473 icecast_protocol_select="http_protocol"
2474 librtmp_protocol_deps="librtmp"
2475 librtmpe_protocol_deps="librtmp"
2476 librtmps_protocol_deps="librtmp"
2477 librtmpt_protocol_deps="librtmp"
2478 librtmpte_protocol_deps="librtmp"
2479 mmsh_protocol_select="http_protocol"
2480 mmst_protocol_select="network"
2481 rtmp_protocol_conflict="librtmp_protocol"
2482 rtmp_protocol_select="tcp_protocol"
2483 rtmp_protocol_suggest="zlib"
2484 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2485 rtmpe_protocol_suggest="zlib"
2486 rtmps_protocol_conflict="librtmp_protocol"
2487 rtmps_protocol_select="tls_protocol"
2488 rtmps_protocol_suggest="zlib"
2489 rtmpt_protocol_select="ffrtmphttp_protocol"
2490 rtmpt_protocol_suggest="zlib"
2491 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2492 rtmpte_protocol_suggest="zlib"
2493 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2494 rtmpts_protocol_suggest="zlib"
2495 rtp_protocol_select="udp_protocol"
2496 sctp_protocol_deps="struct_sctp_event_subscribe"
2497 sctp_protocol_select="network"
2498 srtp_protocol_select="rtp_protocol srtp"
2499 tcp_protocol_select="network"
2500 tls_protocol_deps_any="gnutls openssl"
2501 tls_protocol_select="tcp_protocol"
2502 udp_protocol_select="network"
2503 unix_protocol_deps="sys_un_h"
2504 unix_protocol_select="network"
2505
2506 # filters
2507 asyncts_filter_deps="avresample"
2508 blackframe_filter_deps="gpl"
2509 boxblur_filter_deps="gpl"
2510 bs2b_filter_deps="libbs2b"
2511 cropdetect_filter_deps="gpl"
2512 deinterlace_qsv_filter_deps="libmfx"
2513 deinterlace_vaapi_filter_deps="vaapi"
2514 delogo_filter_deps="gpl"
2515 drawtext_filter_deps="libfreetype"
2516 drawtext_filter_suggest="libfontconfig"
2517 frei0r_filter_deps="frei0r libdl"
2518 frei0r_src_filter_deps="frei0r libdl"
2519 hdcd_filter_deps="libhdcd"
2520 hqdn3d_filter_deps="gpl"
2521 interlace_filter_deps="gpl"
2522 movie_filter_deps="avcodec avformat"
2523 ocv_filter_deps="libopencv"
2524 resample_filter_deps="avresample"
2525 scale_filter_deps="swscale"
2526 scale_qsv_filter_deps="libmfx"
2527 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
2528
2529 # examples
2530 decode_audio_example_deps="avcodec avutil"
2531 decode_video_example_deps="avcodec avutil"
2532 encode_audio_example_deps="avcodec avutil"
2533 encode_video_example_deps="avcodec avutil"
2534 filter_audio_example_deps="avfilter avutil"
2535 metadata_example_deps="avformat avutil"
2536 output_example_deps="avcodec avformat avresample avutil swscale"
2537 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
2538 transcode_aac_example_deps="avcodec avformat avresample"
2539
2540 # EXTRALIBS_LIST
2541 cpu_init_extralibs="pthreads_extralibs"
2542 cws2fws_extralibs="zlib_extralibs"
2543
2544 # libraries, in linking order
2545 avcodec_deps="avutil"
2546 avcodec_select="null_bsf"
2547 avdevice_deps="avformat avcodec avutil"
2548 avfilter_deps="avutil"
2549 avformat_deps="avcodec avutil"
2550 avformat_suggest="network"
2551 avresample_deps="avutil"
2552 swscale_deps="avutil"
2553
2554 avcodec_extralibs="pthreads_extralibs libm_extralibs"
2555 avdevice_extralibs="libm_extralibs"
2556 avformat_extralibs="libm_extralibs"
2557 avfilter_extralibs="pthreads_extralibs libm_extralibs"
2558 avresample_extralibs="libm_extralibs"
2559 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"
2560 swscale_extralibs="libm_extralibs"
2561
2562 # programs
2563 avconv_deps="avcodec avfilter avformat avresample swscale"
2564 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2565 fps_filter null_filter resample_filter scale_filter
2566 trim_filter"
2567 avconv_suggest="psapi shell32"
2568 avplay_deps="avcodec avfilter avformat avresample sdl"
2569 avplay_select="rdft format_filter transpose_filter hflip_filter vflip_filter"
2570 avplay_suggest="shell32"
2571 avprobe_deps="avcodec avformat"
2572 avprobe_suggest="shell32"
2573
2574 # documentation
2575 pod2man_deps="doc"
2576 texi2html_deps="doc"
2577
2578 # default parameters
2579
2580 logfile="avbuild/config.log"
2581
2582 # installation paths
2583 prefix_default="/usr/local"
2584 bindir_default='${prefix}/bin'
2585 datadir_default='${prefix}/share/avconv'
2586 docdir_default='${prefix}/share/doc/libav'
2587 incdir_default='${prefix}/include'
2588 libdir_default='${prefix}/lib'
2589 mandir_default='${prefix}/share/man'
2590 shlibdir_default="$libdir_default"
2591
2592 # toolchain
2593 ar_default="ar"
2594 cc_default="gcc"
2595 host_cc_default="gcc"
2596 x86asmexe_default="nasm"
2597 ln_s="ln -s -f"
2598 nm_default="nm -g"
2599 pkg_config_default=pkg-config
2600 ranlib="ranlib"
2601 strip="strip"
2602 version_script='--version-script'
2603
2604 # machine
2605 arch_default=$(uname -m)
2606 cpu="generic"
2607 intrinsics="none"
2608
2609 # OS
2610 target_os_default=$(tolower $(uname -s))
2611 host_os=$target_os_default
2612
2613 # configurable options
2614 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2615
2616 enable asm
2617 enable debug
2618 enable doc
2619 enable faan faandct faanidct
2620 enable optimizations
2621 enable safe_bitstream_reader
2622 enable static
2623 enable swscale_alpha
2624 enable valgrind_backtrace
2625
2626 # By default, enable only those hwaccels that have no external dependencies.
2627 enable d3d11va dxva2 vda vdpau
2628
2629 # internal components are enabled by default
2630 enable $EXTRALIBS_LIST
2631
2632 # Avoid external, non-system, libraries getting enabled by dependency resolution
2633 disable $EXTERNAL_LIBRARY_LIST
2634
2635 # build settings
2636 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2637 LIBPREF="lib"
2638 LIBSUF=".a"
2639 LIBNAME='$(LIBPREF)$(NAME)$(LIBSUF)'
2640 SLIBPREF="lib"
2641 SLIBSUF=".so"
2642 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
2643 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2644 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2645 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2646 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2647 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2648 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
2649
2650 asflags_filter=echo
2651 cflags_filter=echo
2652 ldflags_filter=echo
2653
2654 AS_C='-c'
2655 AS_O='-o $@'
2656 CC_C='-c'
2657 CC_E='-E -o $@'
2658 CC_O='-o $@'
2659 OBJCC_C='-c'
2660 OBJCC_E='-E -o $@'
2661 OBJCC_O='-o $@'
2662 X86ASM_O='-o $@'
2663 LD_O='-o $@'
2664 LD_LIB='-l%'
2665 LD_PATH='-L'
2666 HOSTCC_C='-c'
2667 HOSTCC_E='-E -o $@'
2668 HOSTCC_O='-o $@'
2669 HOSTLD_O='-o $@'
2670
2671 host_extralibs='-lm'
2672 host_cflags_filter=echo
2673 host_ldflags_filter=echo
2674
2675 target_path='$(CURDIR)'
2676
2677 # since the object filename is not given with the -MM flag, the compiler
2678 # is only able to print the basename, and we must add the path ourselves
2679 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2680 DEPFLAGS='-MM'
2681
2682 mkdir -p avbuild
2683
2684 # find source path
2685 if test -f configure; then
2686 source_path=.
2687 else
2688 source_path=$(cd $(dirname "$0"); pwd)
2689 echo "$source_path" | grep -q '[[:blank:]]' &&
2690 die "Out of tree builds are impossible with whitespace in source path."
2691 test -e "$source_path/config.h" &&
2692 die "Out of tree builds are impossible with config.h in source dir."
2693 fi
2694
2695 for v in "$@"; do
2696 r=${v#*=}
2697 l=${v%"$r"}
2698 r=$(sh_quote "$r")
2699 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2700 done
2701
2702 find_things(){
2703 thing=$1
2704 pattern=$2
2705 file=$source_path/$3
2706 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2707 }
2708
2709 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2710 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2711 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2712 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2713 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2714 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2715 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2716 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2717 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2718
2719 find_things_extern(){
2720 thing=$1
2721 pattern=$2
2722 file=$source_path/$3
2723 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
2724 }
2725
2726 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
2727 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
2728
2729 AVCODEC_COMPONENTS_LIST="
2730 $BSF_LIST
2731 $DECODER_LIST
2732 $ENCODER_LIST
2733 $HWACCEL_LIST
2734 $PARSER_LIST
2735 "
2736
2737 AVDEVICE_COMPONENTS_LIST="
2738 $INDEV_LIST
2739 $OUTDEV_LIST
2740 "
2741
2742 AVFILTER_COMPONENTS_LIST="
2743 $FILTER_LIST
2744 "
2745
2746 AVFORMAT_COMPONENTS_LIST="
2747 $DEMUXER_LIST
2748 $MUXER_LIST
2749 $PROTOCOL_LIST
2750 "
2751
2752 ALL_COMPONENTS="
2753 $AVCODEC_COMPONENTS_LIST
2754 $AVDEVICE_COMPONENTS_LIST
2755 $AVFILTER_COMPONENTS_LIST
2756 $AVFORMAT_COMPONENTS_LIST
2757 "
2758
2759 for n in $COMPONENT_LIST; do
2760 v=$(toupper ${n%s})_LIST
2761 eval enable \$$v
2762 eval ${n}_if_any="\$$v"
2763 done
2764
2765 enable $ARCH_EXT_LIST
2766
2767 die_unknown(){
2768 echo "Unknown option \"$1\"."
2769 echo "See $0 --help for available options."
2770 exit 1
2771 }
2772
2773 print_3_columns() {
2774 printf "%-25s %-25s %-25s\n" $(cat | tr ' ' '\n' | sort)
2775 }
2776
2777 show_list() {
2778 suffix=_$1
2779 shift
2780 echo $* | sed s/$suffix//g | print_3_columns
2781 exit 0
2782 }
2783
2784 rand_list(){
2785 IFS=', '
2786 set -- $*
2787 unset IFS
2788 for thing; do
2789 comp=${thing%:*}
2790 prob=${thing#$comp}
2791 prob=${prob#:}
2792 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2793 echo "prob ${prob:-0.5}"
2794 printf '%s\n' $comp
2795 done
2796 }
2797
2798 do_random(){
2799 action=$1
2800 shift
2801 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2802 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2803 }
2804
2805 for opt do
2806 optval="${opt#*=}"
2807 case "$opt" in
2808 --extra-ldflags=*)
2809 add_ldflags $optval
2810 ;;
2811 --extra-ldexeflags=*)
2812 add_ldexeflags $optval
2813 ;;
2814 --extra-ldsoflags=*)
2815 add_ldsoflags $optval
2816 ;;
2817 --extra-libs=*)
2818 add_extralibs $optval
2819 ;;
2820 --disable-devices)
2821 disable $INDEV_LIST $OUTDEV_LIST
2822 ;;
2823 --enable-debug=*)
2824 debuglevel="$optval"
2825 ;;
2826 --disable-programs)
2827 disable $PROGRAM_LIST
2828 ;;
2829 --disable-everything)
2830 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2831 ;;
2832 --disable-all)
2833 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2834 disable $LIBRARY_LIST $PROGRAM_LIST doc
2835 ;;
2836 --enable-random|--disable-random)
2837 action=${opt%%-random}
2838 do_random ${action#--} $COMPONENT_LIST
2839 ;;
2840 --enable-random=*|--disable-random=*)
2841 action=${opt%%-random=*}
2842 do_random ${action#--} $optval
2843 ;;
2844 --enable-*=*|--disable-*=*)
2845 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2846 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2847 eval list=\$$(toupper $thing)_LIST
2848 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2849 $action $(filter "$name" $list)
2850 ;;
2851 --enable-avserver|--disable-avserver*)
2852 warn "avserver has been removed, the ${opt} option is only"\
2853 "provided for compatibility and will be removed in the future"
2854 ;;
2855 --enable-yasm|--disable-yasm)
2856 warn "The ${opt} option is only provided for compatibility and will be\n"\
2857 "removed in the future. Use --enable-x86asm / --disable-x86asm instead."
2858 test $opt = --enable-yasm && x86asm=yes || x86asm=no
2859 ;;
2860 --enable-?*|--disable-?*)
2861 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2862 if is_in $option $COMPONENT_LIST; then
2863 test $action = disable && action=unset
2864 eval $action \$$(toupper ${option%s})_LIST
2865 elif is_in $option $CMDLINE_SELECT; then
2866 $action $option
2867 else
2868 die_unknown $opt
2869 fi
2870 ;;
2871 --list-*)
2872 NAME="${opt#--list-}"
2873 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2874 NAME=${NAME%s}
2875 eval show_list $NAME \$$(toupper $NAME)_LIST
2876 ;;
2877 --help|-h) show_help
2878 ;;
2879 --quiet|-q) quiet=yes
2880 ;;
2881 *)
2882 optname="${opt%%=*}"
2883 optname="${optname#--}"
2884 optname=$(echo "$optname" | sed 's/-/_/g')
2885 if is_in $optname $CMDLINE_SET; then
2886 eval $optname='$optval'
2887 elif is_in $optname $CMDLINE_APPEND; then
2888 append $optname "$optval"
2889 else
2890 die_unknown $opt
2891 fi
2892 ;;
2893 esac
2894 done
2895
2896 for e in $env; do
2897 eval "export $e"
2898 done
2899
2900 disabled logging && logfile=/dev/null
2901
2902 # Die early if licensing-related configure options are incompatible.
2903 die_license_disabled() {
2904 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
2905 }
2906
2907 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST
2908 map "die_license_disabled nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST $HWACCEL_LIBRARY_NONFREE_LIST
2909 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST
2910
2911 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2912
2913 enabled_all gnutls openssl &&
2914 die "GnuTLS and OpenSSL must not be enabled at the same time."
2915
2916 # Disable all the library-specific components if the library itself
2917 # is disabled, see AVCODEC_LIST and following _LIST variables.
2918
2919 disable_components(){
2920 disabled ${1} && disable $(
2921 eval components="\$$(toupper ${1})_COMPONENTS"
2922 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
2923 )
2924 }
2925
2926 map 'disable_components $v' $LIBRARY_LIST
2927
2928 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2929 set >> $logfile
2930
2931 case "$toolchain" in
2932 *-asan)
2933 cc_default="${toolchain%-asan}"
2934 add_cflags -fsanitize=address
2935 add_ldflags -fsanitize=address
2936 ;;
2937 *-msan)
2938 cc_default="${toolchain%-msan}"
2939 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
2940 add_ldflags -fsanitize=memory
2941 ;;
2942 *-tsan)
2943 cc_default="${toolchain%-tsan}"
2944 add_cflags -fsanitize=thread -fPIE
2945 add_ldflags -fsanitize=thread -pie
2946 case "$toolchain" in
2947 gcc-tsan)
2948 add_cflags -fPIC
2949 add_ldflags -fPIC
2950 ;;
2951 esac
2952 ;;
2953 *-usan)
2954 cc_default="${toolchain%-usan}"
2955 add_cflags -fsanitize=undefined
2956 add_ldflags -fsanitize=undefined
2957 case "$toolchain" in
2958 clang-usan)
2959 add_cflags -O1
2960 ;;
2961 esac
2962 ;;
2963 valgrind-*)
2964 target_exec_default="valgrind"
2965 case "$toolchain" in
2966 valgrind-massif)
2967 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2968 ;;
2969 valgrind-memcheck)
2970 target_exec_args="--track-origins=yes --leak-check=full"
2971 ;;
2972 esac
2973 ;;
2974 msvc)
2975 # Check whether the current MSVC version needs the C99 converter.
2976 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2977 # support enough of C99 to build libav. Default to the new
2978 # behaviour if the regexp was unable to match anything, since this
2979 # successfully parses the version number of existing supported
2980 # versions that require the converter (MSVC 2010 and 2012).
2981 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2982 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2983 cc_default="cl"
2984 else
2985 cc_default="c99wrap cl"
2986 fi
2987 ld_default="$source_path/compat/windows/mslink"
2988 nm_default="dumpbin -symbols"
2989 ar_default="lib"
2990 case "$arch" in
2991 arm*)
2992 as_default="armasm"
2993 ;;
2994 esac
2995 target_os_default="win32"
2996 # Use a relative path for TMPDIR. This makes sure all the
2997 # ffconf temp files are written with a relative path, avoiding
2998 # issues with msys/win32 path conversion for MSVC parameters
2999 # such as -Fo<file> or -out:<file>.
3000 TMPDIR=.
3001 ;;
3002 icl)
3003 cc_default="icl"
3004 ld_default="xilink"
3005 nm_default="dumpbin -symbols"
3006 ar_default="xilib"
3007 target_os_default="win32"
3008 TMPDIR=.
3009 ;;
3010 gcov)
3011 add_cflags -fprofile-arcs -ftest-coverage
3012 add_ldflags -fprofile-arcs -ftest-coverage
3013 ;;
3014 llvm-cov)
3015 add_cflags -fprofile-arcs -ftest-coverage
3016 add_ldflags --coverage
3017 ;;
3018 hardened)
3019 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3020 add_cflags -fno-strict-overflow -fstack-protector-all
3021 add_ldflags -Wl,-z,relro -Wl,-z,now
3022 ;;
3023 ?*)
3024 die "Unknown toolchain $toolchain"
3025 ;;
3026 esac
3027
3028 test -n "$cross_prefix" && enable cross_compile
3029
3030 if enabled cross_compile; then
3031 test -n "$arch" && test -n "$target_os" ||
3032 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
3033 fi
3034
3035 ar_default="${cross_prefix}${ar_default}"
3036 cc_default="${cross_prefix}${cc_default}"
3037 objcc_default="${cross_prefix}${objcc_default}"
3038 x86asmexe_default="${cross_prefix}${x86asmexe_default}"
3039 nm_default="${cross_prefix}${nm_default}"
3040 pkg_config_default="${cross_prefix}${pkg_config_default}"
3041 ranlib="${cross_prefix}${ranlib}"
3042 strip="${cross_prefix}${strip}"
3043
3044 sysinclude_default="${sysroot}/usr/include"
3045
3046 set_default arch cc pkg_config sysinclude target_exec target_os x86asmexe
3047 enabled cross_compile || host_cc_default=$cc
3048 set_default host_cc
3049
3050 if ! $pkg_config --version >/dev/null 2>&1; then
3051 warn "$pkg_config not found, library detection may fail."
3052 pkg_config=false
3053 fi
3054
3055 exesuf() {
3056 case $1 in
3057 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3058 esac
3059 }
3060
3061 EXESUF=$(exesuf $target_os)
3062 HOSTEXESUF=$(exesuf $host_os)
3063
3064 # set temporary file name
3065 : ${TMPDIR:=$TEMPDIR}
3066 : ${TMPDIR:=$TMP}
3067 : ${TMPDIR:=/tmp}
3068
3069 if ! check_cmd mktemp -u XXXXXX; then
3070 # simple replacement for missing mktemp
3071 # NOT SAFE FOR GENERAL USE
3072 mktemp(){
3073 tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3074 echo "$tmpname"
3075 mkdir "$tmpname"
3076 }
3077 fi
3078
3079 AVTMPDIR=$(mktemp -d "${TMPDIR}/avconf.XXXXXXXX" 2> /dev/null) ||
3080 die "Unable to create temporary directory in $TMPDIR."
3081
3082 tmpfile(){
3083 tmp="${AVTMPDIR}/test"$2
3084 (set -C; exec > $tmp) 2> /dev/null ||
3085 die "Unable to create temporary file in $AVTMPDIR."
3086 eval $1=$tmp
3087 }
3088
3089 trap 'rm -rf -- "$AVTMPDIR"' EXIT
3090 trap 'exit 2' INT
3091
3092 tmpfile TMPASM .asm
3093 tmpfile TMPC .c
3094 tmpfile TMPE $EXESUF
3095 tmpfile TMPH .h
3096 tmpfile TMPO .o
3097 tmpfile TMPS .S
3098 tmpfile TMPSH .sh
3099 tmpfile TMPV .ver
3100
3101 unset -f mktemp
3102
3103 chmod +x $TMPE
3104
3105 # make sure we can execute files in $TMPDIR
3106 cat > $TMPSH 2>> $logfile <<EOF
3107 #! /bin/sh
3108 EOF
3109 chmod +x $TMPSH >> $logfile 2>&1
3110 if ! $TMPSH >> $logfile 2>&1; then
3111 cat <<EOF
3112 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3113 variable to another directory and make sure that it is not mounted noexec.
3114 EOF
3115 die "Sanity test failed."
3116 fi
3117
3118 armasm_flags(){
3119 for flag; do
3120 case $flag in
3121 # Filter out MSVC cl.exe options from cflags that shouldn't
3122 # be passed to gas-preprocessor
3123 -M[TD]*) ;;
3124 *) echo $flag ;;
3125 esac
3126 done
3127 }
3128
3129 ccc_flags(){
3130 for flag; do
3131 case $flag in
3132 -std=c99) echo -c99 ;;
3133 -mcpu=*) echo -arch ${flag#*=} ;;
3134 -mieee) echo -ieee ;;
3135 -O*|-fast) echo $flag ;;
3136 -fno-math-errno) echo -assume nomath_errno ;;
3137 -g) echo -g3 ;;
3138 -Wall) echo -msg_enable level2 ;;
3139 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3140 -Wl,*) echo $flag ;;
3141 -f*|-W*) ;;
3142 *) echo $flag ;;
3143 esac
3144 done
3145 }
3146
3147 cparser_flags(){
3148 for flag; do
3149 case $flag in
3150 -Wno-switch) echo -Wno-switch-enum ;;
3151 -Wno-format-zero-length) ;;
3152 -Wdisabled-optimization) ;;
3153 -Wno-pointer-sign) echo -Wno-other ;;
3154 *) echo $flag ;;
3155 esac
3156 done
3157 }
3158
3159 msvc_common_flags(){
3160 for flag; do
3161 case $flag in
3162 # In addition to specifying certain flags under the compiler
3163 # specific filters, they must be specified here as well or else the
3164 # generic catch all at the bottom will print the original flag.
3165 -Wall) ;;
3166 -Wextra) ;;
3167 -std=c99) ;;
3168 # Common flags
3169 -fomit-frame-pointer) ;;
3170 -g) echo -Z7 ;;
3171 -fno-math-errno) ;;
3172 -fno-common) ;;
3173 -fno-signed-zeros) ;;
3174 -fPIC) ;;
3175 -mthumb) ;;
3176 -march=*) ;;
3177 -lz) echo zlib.lib ;;
3178 -lx264) echo libx264.lib ;;
3179 -l*) echo ${flag#-l}.lib ;;
3180 -L*) echo -libpath:${flag#-L} ;;
3181 *) echo $flag ;;
3182 esac
3183 done
3184 }
3185
3186 msvc_flags(){
3187 msvc_common_flags "$@"
3188 for flag; do
3189 case $flag in
3190 -Wall) echo -W3 -wd4018 -wd4146 -wd4244 -wd4305 \
3191 -wd4554 ;;
3192 -Wextra) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3193 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3194 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3195 -wd4273 -wd4554 -wd4701 -wd4703 ;;
3196 esac
3197 done
3198 }
3199
3200 icl_flags(){
3201 msvc_common_flags "$@"
3202 for flag; do
3203 case $flag in
3204 # Despite what Intel's documentation says -Wall, which is supported
3205 # on Windows, does enable remarks so disable them here.
3206 -Wall) echo $flag -Qdiag-disable:remark ;;
3207 -std=c99) echo -Qstd=c99 ;;
3208 esac
3209 done
3210 }
3211
3212 pgi_flags(){
3213 for flag; do
3214 case $flag in
3215 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3216 -fomit-frame-pointer) echo -Mnoframe ;;
3217 -g) echo -gopt ;;
3218 *) echo $flag ;;
3219 esac
3220 done
3221 }
3222
3223 suncc_flags(){
3224 for flag; do
3225 case $flag in
3226 -march=*|-mcpu=*)
3227 case "${flag#*=}" in
3228 native) echo -xtarget=native ;;
3229 v9|niagara) echo -xarch=sparc ;;
3230 ultrasparc) echo -xarch=sparcvis ;;
3231 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3232 i586|pentium) echo -xchip=pentium ;;
3233 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3234 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3235 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3236 pentium4*) echo -xtarget=pentium4 ;;
3237 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3238 *-sse3) echo -xarch=sse3 ;;
3239 core2) echo -xarch=ssse3 -xchip=core2 ;;
3240 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
3241 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
3242 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
3243 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3244 k8|opteron|athlon64|athlon-fx)
3245 echo -xarch=sse2a ;;
3246 athlon*) echo -xarch=pentium_proa ;;
3247 esac
3248 ;;
3249 -std=c99) echo -xc99 ;;
3250 -fomit-frame-pointer) echo -xregs=frameptr ;;
3251 -fPIC) echo -KPIC -xcode=pic32 ;;
3252 -W*,*) echo $flag ;;
3253 -f*-*|-W*|-mimpure-text) ;;
3254 -shared) echo -G ;;
3255 *) echo $flag ;;
3256 esac
3257 done
3258 }
3259
3260 tms470_flags(){
3261 for flag; do
3262 case $flag in
3263 -march=*|-mcpu=*)
3264 case "${flag#*=}" in
3265 armv7-a|cortex-a*) echo -mv=7a8 ;;
3266 armv7-r|cortex-r*) echo -mv=7r4 ;;
3267 armv7-m|cortex-m*) echo -mv=7m3 ;;
3268 armv6*|arm11*) echo -mv=6 ;;
3269 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3270 echo -mv=5e ;;
3271 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3272 esac
3273 ;;
3274 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3275 -mfpu=vfp) echo --float_support=vfpv2 ;;
3276 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3277 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3278 -msoft-float) echo --float_support=vfplib ;;
3279 -O[0-3]|-mf=*) echo $flag ;;
3280 -g) echo -g -mn ;;
3281 -pds=*) echo $flag ;;
3282 -D*|-I*) echo $flag ;;
3283 --gcc|--abi=*) echo $flag ;;
3284 -me) echo $flag ;;
3285 esac
3286 done
3287 }
3288
3289 probe_cc(){
3290 pfx=$1
3291 _cc=$2
3292
3293 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3294 unset _ld_o _ldflags _ld_lib _ld_path
3295 unset _depflags _DEPCMD _DEPFLAGS
3296 _flags_filter=echo
3297
3298 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3299 _type=llvm_gcc
3300 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3301 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3302 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3303 _cflags_speed='-O3'
3304 _cflags_size='-Os'
3305 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3306 _type=gcc
3307 gcc_version=$($_cc --version | head -n1)
3308 gcc_basever=$($_cc -dumpversion)
3309 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3310 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3311 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3312 if ! $_cc -dumpversion | grep -q '^2\.'; then
3313 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3314 fi
3315 _cflags_speed='-O3'
3316 _cflags_size='-Os'
3317 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3318 _type=icc
3319 _ident=$($_cc --version | head -n1)
3320 _depflags='-MMD'
3321 _cflags_speed='-O3'
3322 _cflags_size='-Os'
3323 _cflags_noopt='-O1'
3324 elif $_cc -v 2>&1 | grep -q xlc; then
3325 _type=xlc
3326 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3327 _cflags_speed='-O5'
3328 _cflags_size='-O5 -qcompact'
3329 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3330 _type=ccc
3331 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3332 _DEPFLAGS='-M'
3333 _cflags_speed='-fast'
3334 _cflags_size='-O1'
3335 _flags_filter=ccc_flags
3336 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3337 test -d "$sysroot" || die "No valid sysroot specified."
3338 _type=armcc
3339 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3340 armcc_conf="$PWD/armcc.conf"
3341 $_cc --arm_linux_configure \
3342 --arm_linux_config_file="$armcc_conf" \
3343 --configure_sysroot="$sysroot" \
3344 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3345 die "Error creating armcc configuration file."
3346 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3347 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3348 as_default="${cross_prefix}gcc"
3349 _depflags='-MMD'
3350 _cflags_speed='-O3'
3351 _cflags_size='-Os'
3352 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3353 _type=tms470
3354 _ident=$($_cc -version | head -n1 | tr -s ' ')
3355 _flags='--gcc --abi=eabi -me'
3356 _cc_e='-ppl -fe=$@'
3357 _cc_o='-fe=$@'
3358 _depflags='-ppa -ppd=$(@:.o=.d)'
3359 _cflags_speed='-O3 -mf=5'
3360 _cflags_size='-O3 -mf=2'
3361 _flags_filter=tms470_flags
3362 elif $_cc -v 2>&1 | grep -q clang; then
3363 _type=clang
3364 _ident=$($_cc --version 2>/dev/null | head -n1)
3365 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3366 _cflags_speed='-O3'
3367 _cflags_size='-Os'
3368 elif $_cc -V 2>&1 | grep -q Sun; then
3369 _type=suncc
3370 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3371 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3372 _DEPFLAGS='-xM1 -xc99'
3373 _ldflags='-std=c99'
3374 _cflags_speed='-O5'
3375 _cflags_size='-O5 -xspace'
3376 _flags_filter=suncc_flags
3377 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3378 _type=pathscale
3379 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3380 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3381 _cflags_speed='-O2'
3382 _cflags_size='-Os'
3383 _flags_filter='filter_out -Wdisabled-optimization'
3384 elif $_cc -v 2>&1 | grep -q Open64; then
3385 _type=open64
3386 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3387 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3388 _cflags_speed='-O2'
3389 _cflags_size='-Os'
3390 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3391 elif $_cc -V 2>&1 | grep -q Portland; then
3392 _type=pgi
3393 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3394 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3395 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3396 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3397 _cflags_noopt="-O1"
3398 _flags_filter=pgi_flags
3399 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3400 _type=armasm
3401 _ident=$($_cc | head -n1)
3402 # 4509: "This form of conditional instruction is deprecated"
3403 _flags="-nologo -ignore 4509"
3404 _flags_filter=armasm_flags
3405 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3406 _type=msvc
3407 _ident=$($_cc 2>&1 | head -n1)
3408 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3409 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3410 _cflags_speed="-O2"
3411 _cflags_size="-O1"
3412 _cflags_noopt="-O1"
3413 if $_cc -nologo- 2>&1 | grep -q Linker; then
3414 _ld_o='-out:$@'
3415 else
3416 _ld_o='-Fe$@'
3417 fi
3418 _cc_o='-Fo$@'
3419 _cc_e='-P -Fi$@'
3420 _flags_filter=msvc_flags
3421 _ld_lib='lib%.a'
3422 _ld_path='-libpath:'
3423 _flags='-nologo'
3424 elif $_cc 2>&1 | grep -q Intel; then
3425 _type=icl
3426 _ident=$($_cc 2>&1 | head -n1)
3427 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3428 # Not only is O3 broken on 13.x+ but it is slower on all previous
3429 # versions (tested) as well.
3430 _cflags_speed="-O2"
3431 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3432 if $_cc 2>&1 | grep -q Linker; then
3433 _ld_o='-out:$@'
3434 else
3435 _ld_o='-Fe$@'
3436 fi
3437 _cc_o='-Fo$@'
3438 _cc_e='-P'
3439 _flags_filter=icl_flags
3440 _ld_lib='lib%.a'
3441 _ld_path='-libpath:'
3442 # -Qdiag-error to make icl error when seeing certain unknown arguments
3443 _flags='-nologo -Qdiag-error:4044,10157'
3444 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3445 # with MSVC which enables it by default.
3446 _cflags='-Qms0 -Qvec- -Qsimd- -GS'
3447 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
3448 # lld can emulate multiple different linkers; in ms link.exe mode,
3449 # the -? parameter gives the help output which contains an identifyable
3450 # string, while it gives an error in other modes.
3451 _type=lld-link
3452 # The link.exe mode doesn't have a switch for getting the version,
3453 # but we can force it back to gnu mode and get the version from there.
3454 _ident=$($_cc -flavor gnu --version 2>/dev/null)
3455 _ld_o='-out:$@'
3456 _flags_filter=msvc_flags
3457 _ld_lib='lib%.a'
3458 _ld_path='-libpath:'
3459 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3460 _type=cparser
3461 _ident=$($_cc --version | head -n1)
3462 _depflags='-MMD'
3463 _cflags_speed='-O4'
3464 _cflags_size='-O2'
3465 _flags_filter=cparser_flags
3466 fi
3467
3468 eval ${pfx}_type=\$_type
3469 eval ${pfx}_ident=\$_ident
3470 }
3471
3472 set_ccvars(){
3473 eval ${1}_C=\${_cc_c-\${${1}_C}}
3474 eval ${1}_E=\${_cc_e-\${${1}_E}}
3475 eval ${1}_O=\${_cc_o-\${${1}_O}}
3476
3477 if [ -n "$_depflags" ]; then
3478 eval ${1}_DEPFLAGS=\$_depflags
3479 else
3480 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3481 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3482 eval DEP${1}FLAGS=\$_flags
3483 fi
3484 }
3485
3486 probe_cc cc "$cc"
3487 cflags_filter=$_flags_filter
3488 cflags_speed=$_cflags_speed
3489 cflags_size=$_cflags_size
3490 cflags_noopt=$_cflags_noopt
3491 add_cflags $_flags $_cflags
3492 cc_ldflags=$_ldflags
3493 set_ccvars CC
3494
3495 probe_cc hostcc "$host_cc"
3496 host_cflags_filter=$_flags_filter
3497 host_cflags_speed=$_cflags_speed
3498 add_host_cflags $_flags $_cflags
3499 set_ccvars HOSTCC
3500
3501 test -n "$cc_type" && enable $cc_type ||
3502 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3503
3504 : ${as_default:=$cc}
3505 : ${objcc_default:=$cc}
3506 : ${dep_cc_default:=$cc}
3507 : ${ld_default:=$cc}
3508 : ${host_ld_default:=$host_cc}
3509 set_default ar as objcc dep_cc ld host_ld
3510
3511 probe_cc as "$as"
3512 asflags_filter=$_flags_filter
3513 add_asflags $_flags $_cflags
3514 set_ccvars AS
3515
3516 probe_cc objcc "$objcc"
3517 objcflags_filter=$_flags_filter
3518 add_objcflags $_flags $_cflags
3519 set_ccvars OBJC
3520
3521 probe_cc ld "$ld"
3522 ldflags_filter=$_flags_filter
3523 add_ldflags $_flags $_ldflags
3524 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3525 LD_O=${_ld_o-$LD_O}
3526 LD_LIB=${_ld_lib-$LD_LIB}
3527 LD_PATH=${_ld_path-$LD_PATH}
3528
3529 probe_cc hostld "$host_ld"
3530 host_ldflags_filter=$_flags_filter
3531 add_host_ldflags $_flags $_ldflags
3532 HOSTLD_O=${_ld_o-$HOSTLD_O}
3533
3534 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3535 probe_cc depcc "$dep_cc"
3536 CCDEP=${_DEPCMD:-$DEPCMD}
3537 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3538 DEPCCFLAGS=$_flags
3539 fi
3540
3541 if $ar 2>&1 | grep -q Microsoft; then
3542 arflags="-nologo"
3543 ar_o='-out:$@'
3544 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3545 arflags="rq"
3546 ar_o='$@'
3547 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3548 arflags='-Xany -r -c'
3549 ar_o='$@'
3550 else
3551 arflags="rc"
3552 ar_o='$@'
3553 fi
3554
3555 add_cflags $extra_cflags
3556 add_objcflags $extra_objcflags
3557 add_asflags $extra_cflags
3558
3559 if test -n "$sysroot"; then
3560 case "$cc_type" in
3561 gcc|llvm_gcc|clang)
3562 add_cppflags --sysroot="$sysroot"
3563 add_ldflags --sysroot="$sysroot"
3564 ;;
3565 tms470)
3566 add_cppflags -I"$sysinclude"
3567 add_ldflags --sysroot="$sysroot"
3568 ;;
3569 esac
3570 fi
3571
3572 if test "$cpu" = host; then
3573 enabled cross_compile &&
3574 die "--cpu=host makes no sense when cross-compiling."
3575
3576 case "$cc_type" in
3577 gcc|llvm_gcc)
3578 check_native(){
3579 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3580 sed -n "/cc1.*$1=/{
3581 s/.*$1=\\([^ ]*\\).*/\\1/
3582 p
3583 q
3584 }" $TMPE
3585 }
3586 cpu=$(check_native -march || check_native -mcpu)
3587 ;;
3588 esac
3589
3590 test "${cpu:-host}" = host &&
3591 die "--cpu=host not supported with compiler $cc"
3592 fi
3593
3594 # Deal with common $arch aliases
3595 case "$arch" in
3596 aarch64|arm64)
3597 arch="aarch64"
3598 ;;
3599 arm*)
3600 arch="arm"
3601 ;;
3602 mips*|IP*)
3603 case "$arch" in
3604 *el)
3605 add_cppflags -EL
3606 add_ldflags -EL
3607 ;;
3608 *eb)
3609 add_cppflags -EB
3610 add_ldflags -EB
3611 ;;
3612 esac
3613 arch="mips"
3614 ;;
3615 parisc*|hppa*)
3616 arch="parisc"
3617 ;;
3618 "Power Macintosh"|ppc*|powerpc*)
3619 arch="ppc"
3620 ;;
3621 s390|s390x)
3622 arch="s390"
3623 ;;
3624 sh4|sh)
3625 arch="sh4"
3626 ;;
3627 sun4u|sparc*)
3628 arch="sparc"
3629 ;;
3630 tilegx|tile-gx)
3631 arch="tilegx"
3632 ;;
3633 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3634 arch="x86"
3635 ;;
3636 esac
3637
3638 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3639 enable $arch
3640
3641 # Add processor-specific flags
3642 if enabled aarch64; then
3643
3644 case $cpu in
3645 armv*)
3646 cpuflags="-march=$cpu"
3647 ;;
3648 *)
3649 cpuflags="-mcpu=$cpu"
3650 ;;
3651 esac
3652
3653 elif enabled alpha; then
3654
3655 cpuflags="-mcpu=$cpu"
3656
3657 elif enabled arm; then
3658
3659 check_arm_arch() {
3660 check_cpp_condition stddef.h \
3661 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3662 $cpuflags
3663 }
3664
3665 probe_arm_arch() {
3666 if check_arm_arch 4; then echo armv4
3667 elif check_arm_arch 4T; then echo armv4t
3668 elif check_arm_arch 5; then echo armv5
3669 elif check_arm_arch 5E; then echo armv5e
3670 elif check_arm_arch 5T; then echo armv5t
3671 elif check_arm_arch 5TE; then echo armv5te
3672 elif check_arm_arch 5TEJ; then echo armv5te
3673 elif check_arm_arch 6; then echo armv6
3674 elif check_arm_arch 6J; then echo armv6j
3675 elif check_arm_arch 6K; then echo armv6k
3676 elif check_arm_arch 6Z; then echo armv6z
3677 elif check_arm_arch 6ZK; then echo armv6zk
3678 elif check_arm_arch 6T2; then echo armv6t2
3679 elif check_arm_arch 7; then echo armv7
3680 elif check_arm_arch 7A 7_A; then echo armv7-a
3681 elif check_arm_arch 7S; then echo armv7-a
3682 elif check_arm_arch 7R 7_R; then echo armv7-r
3683 elif check_arm_arch 7M 7_M; then echo armv7-m
3684 elif check_arm_arch 7EM 7E_M; then echo armv7-m
3685 elif check_arm_arch 8A 8_A; then echo armv8-a
3686 fi
3687 }
3688
3689 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3690
3691 case $cpu in
3692 armv*)
3693 cpuflags="-march=$cpu"
3694 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3695 ;;
3696 *)
3697 cpuflags="-mcpu=$cpu"
3698 case $cpu in
3699 cortex-a*) subarch=armv7a ;;
3700 cortex-r*) subarch=armv7r ;;
3701 cortex-m*) enable thumb; subarch=armv7m ;;
3702 arm11*) subarch=armv6 ;;
3703 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3704 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3705 *) subarch=$(probe_arm_arch) ;;
3706 esac
3707 ;;
3708 esac
3709
3710 case "$subarch" in
3711 armv5t*) enable fast_clz ;;
3712 armv[6-8]*) enable fast_clz fast_unaligned ;;
3713 esac
3714
3715 elif enabled avr32; then
3716
3717 case $cpu in
3718 ap7[02]0[0-2])
3719 subarch="avr32_ap"
3720 cpuflags="-mpart=$cpu"
3721 ;;
3722 ap)
3723 subarch="avr32_ap"
3724 cpuflags="-march=$cpu"
3725 ;;
3726 uc3[ab]*)
3727 subarch="avr32_uc"
3728 cpuflags="-mcpu=$cpu"
3729 ;;
3730 uc)
3731 subarch="avr32_uc"
3732 cpuflags="-march=$cpu"
3733 ;;
3734 esac
3735
3736 elif enabled bfin; then
3737
3738 cpuflags="-mcpu=$cpu"
3739
3740 elif enabled mips; then
3741
3742 cpuflags="-march=$cpu"
3743
3744 elif enabled ppc; then
3745
3746 disable ldbrx
3747
3748 case $(tolower $cpu) in
3749 601|ppc601|powerpc601)
3750 cpuflags="-mcpu=601"
3751 disable altivec
3752 ;;
3753 603*|ppc603*|powerpc603*)
3754 cpuflags="-mcpu=603"
3755 disable altivec
3756 ;;
3757 604*|ppc604*|powerpc604*)
3758 cpuflags="-mcpu=604"
3759 disable altivec
3760 ;;
3761 g3|75*|ppc75*|powerpc75*)
3762 cpuflags="-mcpu=750"
3763 disable altivec
3764 ;;
3765 g4|745*|ppc745*|powerpc745*)
3766 cpuflags="-mcpu=7450"
3767 disable vsx
3768 ;;
3769 74*|ppc74*|powerpc74*)
3770 cpuflags="-mcpu=7400"
3771 disable vsx
3772 ;;
3773 g5|970|ppc970|powerpc970)
3774 cpuflags="-mcpu=970"
3775 disable vsx
3776 ;;
3777 power[3-6]*)
3778 cpuflags="-mcpu=$cpu"
3779 disable vsx
3780 ;;
3781 power[7-8]*)
3782 cpuflags="-mcpu=$cpu"
3783 enable ldbrx
3784 ;;
3785 cell)
3786 cpuflags="-mcpu=cell"
3787 enable ldbrx
3788 disable vsx
3789 ;;
3790 e500mc)
3791 cpuflags="-mcpu=e500mc"
3792 disable altivec
3793 ;;
3794 e500v2)
3795 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3796 disable altivec
3797 disable dcbzl
3798 ;;
3799 e500)
3800 cpuflags="-mcpu=8540 -mhard-float"
3801 disable altivec
3802 disable dcbzl
3803 ;;
3804 esac
3805
3806 elif enabled sparc; then
3807
3808 case $cpu in
3809 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3810 cpuflags="-mcpu=$cpu"
3811 ;;
3812 ultrasparc*|niagara[234])
3813 cpuflags="-mcpu=$cpu"
3814 ;;
3815 esac
3816
3817 elif enabled x86; then
3818
3819 case $cpu in
3820 i[345]86|pentium)
3821 cpuflags="-march=$cpu"
3822 disable i686
3823 disable mmx
3824 ;;
3825 # targets that do NOT support nopl and conditional mov (cmov)
3826 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3827 cpuflags="-march=$cpu"
3828 disable i686
3829 ;;
3830 # targets that do support nopl and conditional mov (cmov)
3831 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3832 cpuflags="-march=$cpu"
3833 enable i686
3834 enable fast_cmov
3835 ;;
3836 # targets that do support conditional mov but on which it's slow
3837 pentium4|pentium4m|prescott|nocona)
3838 cpuflags="-march=$cpu"
3839 enable i686
3840 disable fast_cmov
3841 ;;
3842 esac
3843
3844 fi
3845
3846 if [ "$cpu" != generic ]; then
3847 add_cflags $cpuflags
3848 add_asflags $cpuflags
3849 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
3850 fi
3851
3852 # compiler sanity check
3853 check_exec <<EOF
3854 int main(void){ return 0; }
3855 EOF
3856 if test "$?" != 0; then
3857 echo "$cc is unable to create an executable file."
3858 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3859 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3860 echo "Only do this if you know what cross compiling means."
3861 fi
3862 die "C compiler test failed."
3863 fi
3864
3865 add_cppflags -D_ISOC99_SOURCE
3866
3867 # some compilers silently accept -std=c11, so we also need to check that the
3868 # version macro is defined properly
3869 check_cpp_condition stdlib.h "__STDC_VERSION__ >= 201112L" -std=c11 &&
3870 add_cflags -std=c11 ||
3871 check_cflags -std=c99
3872
3873 check_cppflags -D_FILE_OFFSET_BITS=64
3874 check_cppflags -D_LARGEFILE_SOURCE
3875
3876 add_host_cppflags -D_ISOC99_SOURCE
3877 check_host_cflags -std=c99
3878 check_host_cflags -Wall
3879 check_host_cflags $host_cflags_speed
3880
3881 check_64bit(){
3882 arch32=$1
3883 arch64=$2
3884 expr=$3
3885 check_code cc "" "int test[2*($expr) - 1]" &&
3886 subarch=$arch64 || subarch=$arch32
3887 }
3888
3889 case "$arch" in
3890 aarch64|alpha|ia64)
3891 spic=$shared
3892 ;;
3893 mips)
3894 check_64bit mips mips64 '_MIPS_SIM > 1'
3895 spic=$shared
3896 ;;
3897 parisc)
3898 check_64bit parisc parisc64 'sizeof(void *) > 4'
3899 spic=$shared
3900 ;;
3901 ppc)
3902 check_64bit ppc ppc64 'sizeof(void *) > 4'
3903 spic=$shared
3904 ;;
3905 s390)
3906 check_64bit s390 s390x 'sizeof(void *) > 4'
3907 spic=$shared
3908 ;;
3909 sparc)
3910 check_64bit sparc sparc64 'sizeof(void *) > 4'
3911 spic=$shared
3912 ;;
3913 x86)
3914 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3915 if test "$subarch" = "x86_64"; then
3916 spic=$shared
3917 fi
3918 ;;
3919 esac
3920
3921 enable $subarch
3922 enabled spic && enable_weak pic
3923
3924 enabled x86_64 && objformat=elf64 || objformat="elf32"
3925
3926 # OS specific
3927 case $target_os in
3928 aix)
3929 SHFLAGS=-shared
3930 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3931 enabled shared && add_ldflags -Wl,-brtl
3932 ;;
3933 android)
3934 disable symver
3935 enable section_data_rel_ro
3936 SLIB_INSTALL_NAME='$(SLIBNAME)'
3937 SLIB_INSTALL_LINKS=
3938 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
3939 ;;
3940 haiku)
3941 prefix_default="/boot/common"
3942 network_extralibs="-lnetwork"
3943 host_extralibs=
3944 ;;
3945 sunos)
3946 SHFLAGS='-shared -Wl,-h,$$(@F)'
3947 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3948 network_extralibs="-lsocket -lnsl"
3949 # When using suncc to build, the Solaris linker will mark
3950 # an executable with each instruction set encountered by
3951 # the Solaris assembler. As our libraries contain their own
3952 # guards for processor-specific code, instead suppress
3953 # generation of the HWCAPS ELF section on Solaris x86 only.
3954 enabled_all suncc x86 &&
3955 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3956 add_ldflags -Wl,-M,mapfile
3957 nm_default='nm -P -g'
3958 version_script='-M'
3959 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
3960 ;;
3961 netbsd)
3962 disable symver
3963 oss_indev_extralibs="-lossaudio"
3964 oss_outdev_extralibs="-lossaudio"
3965 ;;
3966 openbsd|bitrig)
3967 disable symver
3968 SHFLAGS='-shared'
3969 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3970 SLIB_INSTALL_LINKS=
3971 oss_indev_extralibs="-lossaudio"
3972 oss_outdev_extralibs="-lossaudio"
3973 ;;
3974 dragonfly)
3975 disable symver
3976 ;;
3977 freebsd)
3978 ;;
3979 bsd/os)
3980 add_extralibs -lpoll -lgnugetopt
3981 ;;
3982 darwin)
3983 enabled ppc && add_asflags -force_cpusubtype_ALL
3984 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3985 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3986 add_ldflags -Wl,-dynamic,-search_paths_first
3987 check_cflags -Werror=partial-availability
3988 SLIBSUF=".dylib"
3989 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
3990 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
3991 enabled x86_64 && objformat="macho64" || objformat="macho32"
3992 enabled_any pic shared ||
3993 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3994 check_header dispatch/dispatch.h &&
3995 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
3996 if test -n "$sysroot"; then
3997 is_in -isysroot $cc $CPPFLAGS $CFLAGS || check_cppflags -isysroot $sysroot
3998 is_in -isysroot $ld $LDFLAGS || check_ldflags -isysroot $sysroot
3999 fi
4000 ;;
4001 msys*)
4002 die "Native MSYS builds are discouraged, please use the MINGW environment."
4003 ;;
4004 mingw32*|mingw64*)
4005 if test $target_os = "mingw32ce"; then
4006 disable network
4007 else
4008 target_os=mingw32
4009 fi
4010 LIBTARGET=i386
4011 if enabled x86_64; then
4012 LIBTARGET="i386:x86-64"
4013 elif enabled arm; then
4014 LIBTARGET=arm-wince
4015 fi
4016 check_ldflags -Wl,--nxcompat
4017 check_ldflags -Wl,--dynamicbase
4018 shlibdir_default="$bindir_default"
4019 SLIBPREF=""
4020 SLIBSUF=".dll"
4021 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4022 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
4023 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4024 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4025 SLIB_INSTALL_LINKS=
4026 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4027 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4028 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
4029 enabled x86_64 && objformat="win64" || objformat="win32"
4030 dlltool="${cross_prefix}dlltool"
4031 ranlib=:
4032 enable dos_paths
4033 ;;
4034 win32|win64)
4035 disable symver
4036 if enabled shared; then
4037 # Link to the import library instead of the normal static library
4038 # for shared libs.
4039 LD_LIB='%.lib'
4040 # Cannot build both shared and static libs with MSVC or icl.
4041 disable static
4042 fi
4043 shlibdir_default="$bindir_default"
4044 SLIBPREF=""
4045 SLIBSUF=".dll"
4046 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4047 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
4048 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4049 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4050 SLIB_INSTALL_LINKS=
4051 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4052 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4053 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4054 enabled x86_64 && objformat="win64" || objformat="win32"
4055 ranlib=:
4056 enable dos_paths
4057 ;;
4058 cygwin*)
4059 target_os=cygwin
4060 shlibdir_default="$bindir_default"
4061 SLIBPREF="cyg"
4062 SLIBSUF=".dll"
4063 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4064 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
4065 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4066 SLIB_INSTALL_LINKS=
4067 SLIB_INSTALL_EXTRA_LIB='lib$(NAME).dll.a'
4068 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(NAME).dll.a'
4069 enabled x86_64 && objformat="win64" || objformat="win32"
4070 enable dos_paths
4071 ;;
4072 *-dos|freedos|opendos)
4073 network_extralibs="-lsocket"
4074 objformat="coff"
4075 enable dos_paths
4076 add_cppflags -U__STRICT_ANSI__
4077 ;;
4078 linux)
4079 enable dv1394
4080 enable section_data_rel_ro
4081 ;;
4082 irix*)
4083 target_os=irix
4084 ranlib="echo ignoring ranlib"
4085 ;;
4086 os/2*)
4087 ln_s="cp -f"
4088 objformat="aout"
4089 add_cppflags -D_GNU_SOURCE
4090 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap
4091 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4092 LIBSUF="_s.a"
4093 SLIBPREF=""
4094 SLIBSUF=".dll"
4095 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4096 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4097 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4098 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4099 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4100 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4101 emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'
4102 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4103 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4104 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4105 enable dos_paths
4106 ;;
4107 gnu/kfreebsd)
4108 add_cppflags -D_BSD_SOURCE
4109 ;;
4110 gnu)
4111 ;;
4112 qnx)
4113 add_cppflags -D_QNX_SOURCE
4114 network_extralibs="-lsocket"
4115 ;;
4116 symbian)
4117 SLIBSUF=".dll"
4118 enable dos_paths
4119 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4120 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4121 add_ldflags -Wl,--target1-abs,--no-undefined \
4122 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4123 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4124 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4125 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4126 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4127 ;;
4128 osf1)
4129 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4130 ;;
4131 minix)
4132 ;;
4133 none)
4134 ;;
4135 *)
4136 die "Unknown OS '$target_os'."
4137 ;;
4138 esac
4139
4140 # determine libc flavour
4141
4142 probe_libc(){
4143 pfx=$1
4144 pfx_no_=${pfx%_}
4145 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4146 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4147 eval ${pfx}libc_type=uclibc
4148 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4149 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4150 eval ${pfx}libc_type=glibc
4151 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4152 # MinGW headers can be installed on Cygwin, so check for newlib first.
4153 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4154 eval ${pfx}libc_type=newlib
4155 add_${pfx}cppflags -U__STRICT_ANSI__ -D_XOPEN_SOURCE=600
4156 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4157 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4158 eval ${pfx}libc_type=mingw64
4159 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4160 eval test \$${pfx_no_}cc_type = "gcc" &&
4161 add_${pfx}cppflags -D__printf__=__gnu_printf__
4162 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4163 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4164 eval ${pfx}libc_type=mingw32
4165 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4166 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4167 die "ERROR: MinGW32 runtime version must be >= 3.15."
4168 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4169 check_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700" &&
4170 add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700
4171 check_${pfx}cpp_condition windows.h "defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0502" &&
4172 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
4173 eval test \$${pfx_no_}cc_type = "gcc" &&
4174 add_${pfx}cppflags -D__printf__=__gnu_printf__
4175 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4176 eval ${pfx}libc_type=msvcrt
4177 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
4178 if [ "$pfx" = host_ ]; then
4179 add_host_cppflags -Dsnprintf=_snprintf
4180 else
4181 add_compat strtod.o strtod=avpriv_strtod
4182 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4183 _snprintf=avpriv_snprintf \
4184 vsnprintf=avpriv_vsnprintf
4185 fi
4186 fi
4187 add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS
4188 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4189 # 0x601 by default unless something else is set by the user.
4190 # This can easily lead to us detecting functions only present
4191 # in such new versions and producing binaries requiring windows 7.0.
4192 # Therefore explicitly set the default to XP unless the user has
4193 # set something else on the command line.
4194 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
4195 # family. For these cases, configure is free to use any functions
4196 # found in the SDK headers by default. (Alternatively, we could force
4197 # _WIN32_WINNT to 0x0602 in that case.)
4198 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4199 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }
4200 #ifdef WINAPI_FAMILY
4201 #include <winapifamily.h>
4202 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
4203 #error not desktop
4204 #endif
4205 #endif
4206 EOF
4207 if [ "$pfx" = "" ]; then
4208 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
4209 fi
4210 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4211 eval ${pfx}libc_type=klibc
4212 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4213 eval ${pfx}libc_type=bionic
4214 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4215 eval ${pfx}libc_type=solaris
4216 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4217 else
4218 eval ${pfx}libc_type=default
4219 add_${pfx}cppflags -D_DEFAULT_SOURCE
4220 fi
4221 }
4222
4223 probe_libc
4224 test -n "$libc_type" && enable libc_$libc_type
4225 probe_libc host_
4226 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4227
4228 # hacks for compiler/libc/os combinations
4229
4230 case $libc_type in
4231 bionic)
4232 add_compat strtod.o strtod=avpriv_strtod
4233 ;;
4234 glibc)
4235 if enabled tms470; then
4236 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4237 add_cppflags -D__USER_LABEL_PREFIX__=
4238 add_cppflags -D__builtin_memset=memset
4239 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4240 add_cflags -pds=48 # incompatible redefinition of macro
4241 elif enabled ccc; then
4242 add_ldflags -Wl,-z,now # calls to libots crash without this
4243 fi
4244 ;;
4245 esac
4246
4247 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4248 add_cppflags '-I\$(SRC_PATH)/compat/float'
4249
4250 esc(){
4251 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4252 }
4253
4254 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" > avbuild/config.fate
4255
4256 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4257
4258 set_default $PATHS_LIST
4259 set_default nm
4260
4261 # we need to build at least one lib type
4262 if ! enabled_any static shared; then
4263 cat <<EOF
4264 At least one library type must be built.
4265 Specify --enable-static to build the static libraries or --enable-shared to
4266 build the shared libraries as well. To only build the shared libraries specify
4267 --disable-static in addition to --enable-shared.
4268 EOF
4269 exit 1
4270 fi
4271
4272 disabled optimizations || check_cflags -fomit-frame-pointer
4273
4274 enable_weak_pic() {
4275 disabled pic && return
4276 enable pic
4277 add_cppflags -DPIC
4278 case "$target_os" in
4279 mingw*|cygwin*)
4280 ;;
4281 *)
4282 add_cflags -fPIC
4283 ;;
4284 esac
4285 add_asflags -fPIC
4286 }
4287
4288 enabled pic && enable_weak_pic
4289
4290 check_cc <<EOF || die "Symbol mangling check failed."
4291 int ff_extern;
4292 EOF
4293 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4294 extern_prefix=${sym%%ff_extern*}
4295
4296 ! disabled inline_asm && check_inline_asm inline_asm '"" ::'
4297
4298 _restrict=
4299 for restrict_keyword in restrict __restrict__ __restrict; do
4300 check_cc <<EOF && _restrict=$restrict_keyword && break
4301 void foo(char * $restrict_keyword p);
4302 EOF
4303 done
4304
4305 check_cc <<EOF && enable pragma_deprecated
4306 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4307 EOF
4308
4309 check_cc <<EOF && enable attribute_packed
4310 struct { int x; } __attribute__((packed)) x;
4311 EOF
4312
4313 check_cc <<EOF && enable attribute_may_alias
4314 union { int x; } __attribute__((may_alias)) x;
4315 EOF
4316
4317 check_cc <<EOF || die "endian test failed"
4318 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4319 EOF
4320 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4321
4322 check_gas() {
4323 log "check_gas using '$as' as AS"
4324 # :vararg is used on aarch64, arm and ppc altivec
4325 check_as <<EOF || return 1
4326 .macro m n, y:vararg=0
4327 \n: .int \y
4328 .endm
4329 m x
4330 EOF
4331 # .altmacro is only used in arm asm
4332 ! enabled arm || check_as <<EOF || return 1
4333 .altmacro
4334 EOF
4335 enable gnu_as
4336 return 0
4337 }
4338
4339 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
4340 nogas=:
4341 enabled_any arm aarch64 && nogas=die
4342 enabled_all ppc altivec && nogas=warn
4343 as_noop=-v
4344
4345 case $as_type in
4346 arm*) gaspp_as_type=armasm; as_noop=-h ;;
4347 gcc) gaspp_as_type=gas ;;
4348 *) gaspp_as_type=$as_type ;;
4349 esac
4350
4351 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
4352
4353 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- $as $as_noop &&
4354 gas="gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- $as"
4355
4356 if ! check_gas ; then
4357 as=${gas:=$as}
4358 check_gas || \
4359 $nogas "GNU assembler not found, install/update gas-preprocessor"
4360 fi
4361
4362 check_as <<EOF && enable as_func
4363 .func test
4364 .endfunc
4365 EOF
4366 fi
4367
4368 check_inline_asm inline_asm_labels