0ed119307d89075cbe6eeebc2f0b88d6717d731a
[libav.git] / configure
1 #!/bin/sh
2 #
3 # Libav configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
43 fi
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken Libav."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
54 exit 1
55 fi
56
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
59 show_help(){
60 cat <<EOF
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
63
64 Help options:
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
77
78 Standard options:
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --prefix=PREFIX install in PREFIX [$prefix]
82 --bindir=DIR install binaries in DIR [PREFIX/bin]
83 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
84 --docdir=DIR install documentation in DIR [PREFIX/share/doc/libav]
85 --libdir=DIR install libs in DIR [PREFIX/lib]
86 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
87 --incdir=DIR install includes in DIR [PREFIX/include]
88 --mandir=DIR install man page in DIR [PREFIX/share/man]
89 --enable-rpath use rpath when linking programs [USE WITH CARE]
90
91 Licensing options:
92 --enable-gpl allow use of GPL code, the resulting libs
93 and binaries will be under GPL [no]
94 --enable-version3 upgrade (L)GPL to version 3 [no]
95 --enable-nonfree allow use of nonfree code, the resulting libs
96 and binaries will be unredistributable [no]
97
98 Configuration options:
99 --disable-static do not build static libraries [no]
100 --enable-shared build shared libraries [no]
101 --enable-small optimize for size instead of speed
102 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
103 --enable-gray enable full grayscale support (slower color)
104 --disable-swscale-alpha disable alpha channel support in swscale
105 --disable-all disable building components, libraries and programs
106
107 Program options:
108 --disable-programs do not build command line programs
109 --disable-avconv disable avconv build
110 --disable-avplay disable avplay build
111 --disable-avprobe disable avprobe build
112 --disable-avserver deprecated, does nothing
113
114 Component options:
115 --disable-doc do not build documentation
116 --disable-avdevice disable libavdevice build
117 --disable-avcodec disable libavcodec build
118 --disable-avformat disable libavformat build
119 --disable-avutil disable libavutil build
120 --disable-swscale disable libswscale build
121 --disable-avfilter disable video filter support [no]
122 --disable-avresample disable libavresample build [no]
123 --disable-pthreads disable pthreads [auto]
124 --disable-w32threads disable Win32 threads [auto]
125 --disable-network disable network support [no]
126 --disable-dct disable DCT code
127 --disable-error-resilience disable error resilience code
128 --disable-lsp disable LSP code
129 --disable-lzo disable LZO decoder code
130 --disable-mdct disable MDCT code
131 --disable-rdft disable RDFT code
132 --disable-fft disable FFT code
133 --disable-faan disable floating point AAN (I)DCT code
134
135 Hardware accelerators:
136 --enable-d3d11va enable D3D11VA code
137 --enable-dxva2 enable DXVA2 code
138 --enable-vaapi enable VAAPI code
139 --enable-vda enable VDA code
140 --enable-vdpau enable VDPAU code
141
142 Individual component options:
143 --disable-everything disable all components listed below
144 --disable-encoder=NAME disable encoder NAME
145 --enable-encoder=NAME enable encoder NAME
146 --disable-encoders disable all encoders
147 --disable-decoder=NAME disable decoder NAME
148 --enable-decoder=NAME enable decoder NAME
149 --disable-decoders disable all decoders
150 --disable-hwaccel=NAME disable hwaccel NAME
151 --enable-hwaccel=NAME enable hwaccel NAME
152 --disable-hwaccels disable all hwaccels
153 --disable-muxer=NAME disable muxer NAME
154 --enable-muxer=NAME enable muxer NAME
155 --disable-muxers disable all muxers
156 --disable-demuxer=NAME disable demuxer NAME
157 --enable-demuxer=NAME enable demuxer NAME
158 --disable-demuxers disable all demuxers
159 --enable-parser=NAME enable parser NAME
160 --disable-parser=NAME disable parser NAME
161 --disable-parsers disable all parsers
162 --enable-bsf=NAME enable bitstream filter NAME
163 --disable-bsf=NAME disable bitstream filter NAME
164 --disable-bsfs disable all bitstream filters
165 --enable-protocol=NAME enable protocol NAME
166 --disable-protocol=NAME disable protocol NAME
167 --disable-protocols disable all protocols
168 --enable-indev=NAME enable input device NAME
169 --disable-indev=NAME disable input device NAME
170 --disable-indevs disable input devices
171 --enable-outdev=NAME enable output device NAME
172 --disable-outdev=NAME disable output device NAME
173 --disable-outdevs disable output devices
174 --disable-devices disable all devices
175 --enable-filter=NAME enable filter NAME
176 --disable-filter=NAME disable filter NAME
177 --disable-filters disable all filters
178
179 External library support:
180 --enable-avisynth enable reading of AviSynth script files [no]
181 --enable-bzlib enable bzlib [autodetect]
182 --enable-frei0r enable frei0r video filtering
183 --enable-gnutls enable gnutls [no]
184 --enable-libbs2b enable bs2b DSP library [no]
185 --enable-libcdio enable audio CD grabbing with libcdio
186 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
187 and libraw1394 [no]
188 --enable-libdcadec enable DCA decoding via libdcadec [no]
189 --enable-libfaac enable AAC encoding via libfaac [no]
190 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
191 --enable-libfreetype enable libfreetype [no]
192 --enable-libgsm enable GSM de/encoding via libgsm [no]
193 --enable-libilbc enable iLBC de/encoding via libilbc [no]
194 --enable-libmfx enable HW acceleration through libmfx
195 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
196 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
197 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
198 --enable-libopencv enable video filtering via libopencv [no]
199 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
200 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
201 --enable-libopus enable Opus de/encoding via libopus [no]
202 --enable-libpulse enable Pulseaudio input via libpulse [no]
203 --enable-librtmp enable RTMP[E] support via librtmp [no]
204 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
205 --enable-libsnappy enable Snappy compression [no]
206 --enable-libspeex enable Speex de/encoding via libspeex [no]
207 --enable-libtheora enable Theora encoding via libtheora [no]
208 --enable-libtwolame enable MP2 encoding via libtwolame [no]
209 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
210 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
211 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
212 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
213 --enable-libwavpack enable wavpack encoding via libwavpack [no]
214 --enable-libwebp enable WebP encoding via libwebp [no]
215 --enable-libx264 enable H.264 encoding via x264 [no]
216 --enable-libx265 enable HEVC encoding via x265 [no]
217 --enable-libxavs enable AVS encoding via xavs [no]
218 --enable-libxcb enable X11 grabbing using XCB [no]
219 --enable-libxcb-shm enable X11 grabbing shm communication [auto]
220 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [auto]
221 --enable-libxvid enable Xvid encoding via xvidcore,
222 native MPEG-4/Xvid encoder exists [no]
223 --enable-mmal enable decoding via MMAL [no]
224 --enable-nvenc enable encoding via NVENC [no]
225 --enable-openssl enable openssl [no]
226 --enable-x11grab enable X11 grabbing (legacy) [no]
227 --enable-zlib enable zlib [autodetect]
228
229 Toolchain options:
230 --arch=ARCH select architecture [$arch]
231 --cpu=CPU select the minimum required CPU (affects
232 instruction selection, may crash on older CPUs)
233 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
234 --enable-cross-compile assume a cross-compiler is used
235 --sysroot=PATH root of cross-build tree
236 --sysinclude=PATH location of cross-build system headers
237 --target-os=OS compiler targets OS [$target_os]
238 --target-exec=CMD command to run executables on target
239 --target-path=DIR path to view of build directory on target
240 --target-samples=DIR path to samples directory on target
241 --toolchain=NAME set tool defaults according to NAME
242 --nm=NM use nm tool
243 --ar=AR use archive tool AR [$ar_default]
244 --as=AS use assembler AS [$as_default]
245 --cc=CC use C compiler CC [$cc_default]
246 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
247 --ld=LD use linker LD
248 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
249 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
250 --host-cc=HOSTCC use host C compiler HOSTCC
251 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
252 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
253 --host-ld=HOSTLD use host linker HOSTLD
254 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
255 --host-libs=HLIBS use libs HLIBS when linking for host
256 --host-os=OS compiler host OS [$target_os]
257 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
258 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
259 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
260 --extra-libs=ELIBS add ELIBS [$ELIBS]
261 --extra-version=STRING version string suffix []
262 --optflags=OPTFLAGS override optimization-related compiler flags
263 --build-suffix=SUFFIX library name suffix []
264 --enable-pic build position-independent code
265 --enable-thumb compile for Thumb instruction set
266 --enable-lto use link-time optimization
267 --env="ENV=override" override the environment variables
268
269 Advanced options (experts only):
270 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
271 --disable-symver disable symbol versioning
272 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
273 --disable-safe-bitstream-reader
274 disable buffer boundary checking in bitreaders
275 (faster, but may crash)
276 --enable-memalign-hack emulate memalign, interferes with memory debuggers
277 --enable-sram allow use of on-chip SRAM
278
279 Optimization options (experts only):
280 --disable-asm disable all assembly optimizations
281 --disable-altivec disable AltiVec optimizations
282 --disable-vsx disable VSX optimizations
283 --disable-power8 disable POWER8 optimizations
284 --disable-amd3dnow disable 3DNow! optimizations
285 --disable-amd3dnowext disable 3DNow! extended optimizations
286 --disable-mmx disable MMX optimizations
287 --disable-mmxext disable MMXEXT optimizations
288 --disable-sse disable SSE optimizations
289 --disable-sse2 disable SSE2 optimizations
290 --disable-sse3 disable SSE3 optimizations
291 --disable-ssse3 disable SSSE3 optimizations
292 --disable-sse4 disable SSE4 optimizations
293 --disable-sse42 disable SSE4.2 optimizations
294 --disable-avx disable AVX optimizations
295 --disable-xop disable XOP optimizations
296 --disable-fma3 disable FMA3 optimizations
297 --disable-fma4 disable FMA4 optimizations
298 --disable-avx2 disable AVX2 optimizations
299 --disable-armv5te disable armv5te optimizations
300 --disable-armv6 disable armv6 optimizations
301 --disable-armv6t2 disable armv6t2 optimizations
302 --disable-vfp disable VFP optimizations
303 --disable-neon disable NEON optimizations
304 --disable-inline-asm disable use of inline assembly
305 --disable-yasm disable use of nasm/yasm assembly
306
307 Developer options (useful when working on Libav itself):
308 --disable-debug disable debugging symbols
309 --enable-debug=LEVEL set the debug level [$debuglevel]
310 --disable-optimizations disable compiler optimizations
311 --enable-extra-warnings enable more compiler warnings
312 --samples=PATH location of test samples for FATE, if not set use
313 \$LIBAV_SAMPLES at make invocation time.
314 --enable-neon-clobber-test check NEON registers for clobbering (should be
315 used only for debugging purposes)
316 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
317 should be used only for debugging purposes)
318 --enable-random randomly enable/disable components
319 --disable-random
320 --enable-random=LIST randomly enable/disable specific components or
321 --disable-random=LIST component groups. LIST is a comma-separated list
322 of NAME[:PROB] entries where NAME is a component
323 (group) and PROB the probability associated with
324 NAME (default 0.5).
325 --random-seed=VALUE seed value for --enable/disable-random
326 --disable-valgrind-backtrace do not print a backtrace under Valgrind
327 (only applies to --disable-optimizations builds)
328
329 NOTE: Object files are built at the place where configure is launched.
330 EOF
331 exit 0
332 }
333
334 quotes='""'
335
336 log(){
337 echo "$@" >> $logfile
338 }
339
340 log_file(){
341 log BEGIN $1
342 pr -n -t $1 >> $logfile
343 log END $1
344 }
345
346 echolog(){
347 log "$@"
348 echo "$@"
349 }
350
351 warn(){
352 log "WARNING: $*"
353 WARNINGS="${WARNINGS}WARNING: $*\n"
354 }
355
356 die(){
357 echolog "$@"
358 cat <<EOF
359
360 If you think configure made a mistake, make sure you are using the latest
361 version from Git. If the latest version fails, report the problem to the
362 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
363 EOF
364 if disabled logging; then
365 cat <<EOF
366 Rerun configure with logging enabled (do not use --disable-logging), and
367 include the log this produces with your report.
368 EOF
369 else
370 cat <<EOF
371 Include the log file "$logfile" produced by configure as this will help
372 solving the problem.
373 EOF
374 fi
375 exit 1
376 }
377
378 # Avoid locale weirdness, besides we really just want to translate ASCII.
379 toupper(){
380 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
381 }
382
383 tolower(){
384 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
385 }
386
387 c_escape(){
388 echo "$*" | sed 's/["\\]/\\\0/g'
389 }
390
391 sh_quote(){
392 v=$(echo "$1" | sed "s/'/'\\\\''/g")
393 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
394 echo "$v"
395 }
396
397 cleanws(){
398 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
399 }
400
401 filter(){
402 pat=$1
403 shift
404 for v; do
405 eval "case $v in $pat) echo $v ;; esac"
406 done
407 }
408
409 filter_out(){
410 pat=$1
411 shift
412 for v; do
413 eval "case $v in $pat) ;; *) echo $v ;; esac"
414 done
415 }
416
417 map(){
418 m=$1
419 shift
420 for v; do eval $m; done
421 }
422
423 add_suffix(){
424 suffix=$1
425 shift
426 for v; do echo ${v}${suffix}; done
427 }
428
429 set_all(){
430 value=$1
431 shift
432 for var in $*; do
433 eval $var=$value
434 done
435 }
436
437 set_weak(){
438 value=$1
439 shift
440 for var; do
441 eval : \${$var:=$value}
442 done
443 }
444
445 sanitize_var_name(){
446 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
447 }
448
449 set_safe(){
450 var=$1
451 shift
452 eval $(sanitize_var_name "$var")='$*'
453 }
454
455 get_safe(){
456 eval echo \$$(sanitize_var_name "$1")
457 }
458
459 pushvar(){
460 for pvar in $*; do
461 eval level=\${${pvar}_level:=0}
462 eval ${pvar}_${level}="\$$pvar"
463 eval ${pvar}_level=$(($level+1))
464 done
465 }
466
467 popvar(){
468 for pvar in $*; do
469 eval level=\${${pvar}_level:-0}
470 test $level = 0 && continue
471 eval level=$(($level-1))
472 eval $pvar="\${${pvar}_${level}}"
473 eval ${pvar}_level=$level
474 eval unset ${pvar}_${level}
475 done
476 }
477
478 enable(){
479 set_all yes $*
480 }
481
482 disable(){
483 set_all no $*
484 }
485
486 enable_weak(){
487 set_weak yes $*
488 }
489
490 disable_weak(){
491 set_weak no $*
492 }
493
494 enable_safe(){
495 for var; do
496 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
497 done
498 }
499
500 disable_safe(){
501 for var; do
502 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
503 done
504 }
505
506 do_enable_deep(){
507 for var; do
508 enabled $var && continue
509 eval sel="\$${var}_select"
510 eval sgs="\$${var}_suggest"
511 pushvar var sgs
512 enable_deep $sel
513 popvar sgs
514 enable_deep_weak $sgs
515 popvar var
516 done
517 }
518
519 enable_deep(){
520 do_enable_deep $*
521 enable $*
522 }
523
524 enable_deep_weak(){
525 for var; do
526 disabled $var && continue
527 pushvar var
528 do_enable_deep $var
529 popvar var
530 enable_weak $var
531 done
532 }
533
534 enabled(){
535 test "${1#!}" = "$1" && op== || op=!=
536 eval test "x\$${1#!}" $op "xyes"
537 }
538
539 disabled(){
540 test "${1#!}" = "$1" && op== || op=!=
541 eval test "x\$${1#!}" $op "xno"
542 }
543
544 enabled_all(){
545 for opt; do
546 enabled $opt || return 1
547 done
548 }
549
550 disabled_all(){
551 for opt; do
552 disabled $opt || return 1
553 done
554 }
555
556 enabled_any(){
557 for opt; do
558 enabled $opt && return 0
559 done
560 }
561
562 disabled_any(){
563 for opt; do
564 disabled $opt && return 0
565 done
566 return 1
567 }
568
569 set_default(){
570 for opt; do
571 eval : \${$opt:=\$${opt}_default}
572 done
573 }
574
575 is_in(){
576 value=$1
577 shift
578 for var in $*; do
579 [ $var = $value ] && return 0
580 done
581 return 1
582 }
583
584 do_check_deps(){
585 for cfg; do
586 cfg="${cfg#!}"
587 enabled ${cfg}_checking && die "Circular dependency for $cfg."
588 disabled ${cfg}_checking && continue
589 enable ${cfg}_checking
590 append allopts $cfg
591
592 eval dep_all="\$${cfg}_deps"
593 eval dep_any="\$${cfg}_deps_any"
594 eval dep_sel="\$${cfg}_select"
595 eval dep_sgs="\$${cfg}_suggest"
596 eval dep_ifa="\$${cfg}_if"
597 eval dep_ifn="\$${cfg}_if_any"
598
599 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
600 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
601 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
602
603 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
604 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
605 enabled_all $dep_all || disable $cfg
606 enabled_any $dep_any || disable $cfg
607 disabled_any $dep_sel && disable $cfg
608
609 if enabled $cfg; then
610 enable_deep $dep_sel
611 enable_deep_weak $dep_sgs
612 fi
613
614 disable ${cfg}_checking
615 done
616 }
617
618 check_deps(){
619 unset allopts
620
621 do_check_deps "$@"
622
623 for cfg in $allopts; do
624 enabled $cfg || continue
625 eval dep_extralibs="\$${cfg}_extralibs"
626 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
627 done
628 }
629
630 print_config(){
631 pfx=$1
632 files=$2
633 shift 2
634 map 'eval echo "$v \${$v:-no}"' "$@" |
635 awk "BEGIN { split(\"$files\", files) }
636 {
637 c = \"$pfx\" toupper(\$1);
638 v = \$2;
639 sub(/yes/, 1, v);
640 sub(/no/, 0, v);
641 for (f in files) {
642 file = files[f];
643 if (file ~ /\\.h\$/) {
644 printf(\"#define %s %d\\n\", c, v) >>file;
645 } else if (file ~ /\\.asm\$/) {
646 printf(\"%%define %s %d\\n\", c, v) >>file;
647 } else if (file ~ /\\.mak\$/) {
648 n = -v ? \"\" : \"!\";
649 printf(\"%s%s=yes\\n\", n, c) >>file;
650 }
651 }
652 }"
653 }
654
655 print_enabled(){
656 suf=$1
657 shift
658 for v; do
659 enabled $v && printf "%s\n" ${v%$suf};
660 done
661 }
662
663 append(){
664 var=$1
665 shift
666 eval "$var=\"\$$var $*\""
667 }
668
669 prepend(){
670 var=$1
671 shift
672 eval "$var=\"$* \$$var\""
673 }
674
675 unique(){
676 var=$1
677 uniq_list=""
678 for tok in $(eval echo \$$var); do
679 uniq_list="$(filter_out $tok $uniq_list) $tok"
680 done
681 eval "$var=\"${uniq_list}\""
682 }
683
684 add_cppflags(){
685 append CPPFLAGS "$@"
686 }
687
688 add_cflags(){
689 append CFLAGS $($cflags_filter "$@")
690 }
691
692 add_asflags(){
693 append ASFLAGS $($asflags_filter "$@")
694 }
695
696 add_ldflags(){
697 append LDFLAGS $($ldflags_filter "$@")
698 }
699
700 add_ldexeflags(){
701 append LDEXEFLAGS $($ldflags_filter "$@")
702 }
703
704 add_stripflags(){
705 append STRIPFLAGS "$@"
706 }
707
708 add_extralibs(){
709 prepend extralibs $($ldflags_filter "$@")
710 }
711
712 add_host_cppflags(){
713 append host_cppflags "$@"
714 }
715
716 add_host_cflags(){
717 append host_cflags $($host_cflags_filter "$@")
718 }
719
720 add_host_ldflags(){
721 append host_ldflags $($host_ldflags_filter "$@")
722 }
723
724 add_compat(){
725 append compat_objs $1
726 shift
727 map 'add_cppflags -D$v' "$@"
728 }
729
730 check_cmd(){
731 log "$@"
732 "$@" >> $logfile 2>&1
733 }
734
735 cc_o(){
736 eval printf '%s\\n' $CC_O
737 }
738
739 cc_e(){
740 eval printf '%s\\n' $CC_E
741 }
742
743 check_cc(){
744 log check_cc "$@"
745 cat > $TMPC
746 log_file $TMPC
747 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
748 }
749
750 check_cpp(){
751 log check_cpp "$@"
752 cat > $TMPC
753 log_file $TMPC
754 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
755 }
756
757 as_o(){
758 eval printf '%s\\n' $AS_O
759 }
760
761 check_as(){
762 log check_as "$@"
763 cat > $TMPS
764 log_file $TMPS
765 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
766 }
767
768 check_inline_asm(){
769 log check_inline_asm "$@"
770 name="$1"
771 code="$2"
772 shift 2
773 disable $name
774 check_cc "$@" <<EOF && enable $name
775 void foo(void){ __asm__ volatile($code); }
776 EOF
777 }
778
779 check_insn(){
780 log check_insn "$@"
781 check_inline_asm ${1}_inline "\"$2\""
782 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
783 }
784
785 check_yasm(){
786 log check_yasm "$@"
787 echo "$1" > $TMPS
788 log_file $TMPS
789 shift 1
790 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
791 }
792
793 ld_o(){
794 eval printf '%s\\n' $LD_O
795 }
796
797 check_ld(){
798 log check_ld "$@"
799 flags=$(filter_out '-l*' "$@")
800 libs=$(filter '-l*' "$@")
801 check_cc $($cflags_filter $flags) || return
802 flags=$($ldflags_filter $flags)
803 libs=$($ldflags_filter $libs)
804 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
805 }
806
807 print_include(){
808 hdr=$1
809 test "${hdr%.h}" = "${hdr}" &&
810 echo "#include $hdr" ||
811 echo "#include <$hdr>"
812 }
813
814 check_code(){
815 log check_code "$@"
816 check=$1
817 headers=$2
818 code=$3
819 shift 3
820 {
821 for hdr in $headers; do
822 print_include $hdr
823 done
824 echo "int main(void) { $code; return 0; }"
825 } | check_$check "$@"
826 }
827
828 check_cppflags(){
829 log check_cppflags "$@"
830 check_cc "$@" <<EOF && append CPPFLAGS "$@"
831 int x;
832 EOF
833 }
834
835 test_cflags(){
836 log test_cflags "$@"
837 set -- $($cflags_filter "$@")
838 check_cc "$@" <<EOF
839 int x;
840 EOF
841 }
842
843 check_cflags(){
844 log check_cflags "$@"
845 test_cflags "$@" && add_cflags "$@"
846 }
847
848 test_ldflags(){
849 log test_ldflags "$@"
850 check_ld "$@" <<EOF
851 int main(void){ return 0; }
852 EOF
853 }
854
855 check_ldflags(){
856 log check_ldflags "$@"
857 test_ldflags "$@" && add_ldflags "$@"
858 }
859
860 test_stripflags(){
861 log test_stripflags "$@"
862 # call check_cc to get a fresh TMPO
863 check_cc <<EOF
864 int main(void) { return 0; }
865 EOF
866 check_cmd $strip $STRIPFLAGS "$@" $TMPO
867 }
868
869 check_stripflags(){
870 log check_stripflags "$@"
871 test_stripflags "$@" && add_stripflags "$@"
872 }
873
874 check_header(){
875 log check_header "$@"
876 header=$1
877 shift
878 disable_safe $header
879 check_cpp "$@" <<EOF && enable_safe $header
880 #include <$header>
881 int x;
882 EOF
883 }
884
885 check_func(){
886 log check_func "$@"
887 func=$1
888 shift
889 disable $func
890 check_ld "$@" <<EOF && enable $func
891 extern int $func();
892 int main(void){ $func(); }
893 EOF
894 }
895
896 check_mathfunc(){
897 log check_mathfunc "$@"
898 func=$1
899 narg=$2
900 shift 2
901 test $narg = 2 && args="f, g" || args="f"
902 disable $func
903 check_ld "$@" <<EOF && enable $func
904 #include <math.h>
905 float foo(float f, float g) { return $func($args); }
906 int main(void){ return 0; }
907 EOF
908 }
909
910 check_func_headers(){
911 log check_func_headers "$@"
912 headers=$1
913 funcs=$2
914 shift 2
915 {
916 for hdr in $headers; do
917 print_include $hdr
918 done
919 for func in $funcs; do
920 echo "long check_$func(void) { return (long) $func; }"
921 done
922 echo "int main(void) { return 0; }"
923 } | check_ld "$@" && enable $funcs && enable_safe $headers
924 }
925
926 check_cpp_condition(){
927 log check_cpp_condition "$@"
928 header=$1
929 condition=$2
930 shift 2
931 check_cpp "$@" <<EOF
932 #include <$header>
933 #if !($condition)
934 #error "unsatisfied condition: $condition"
935 #endif
936 EOF
937 }
938
939 check_lib(){
940 log check_lib "$@"
941 header="$1"
942 func="$2"
943 shift 2
944 check_header $header && check_func $func "$@" && add_extralibs "$@"
945 }
946
947 check_lib2(){
948 log check_lib2 "$@"
949 headers="$1"
950 funcs="$2"
951 shift 2
952 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
953 }
954
955 check_pkg_config(){
956 log check_pkg_config "$@"
957 pkg="$1"
958 headers="$2"
959 funcs="$3"
960 shift 3
961 check_cmd $pkg_config --exists --print-errors $pkg || return
962 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
963 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
964 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
965 set_safe "${pkg}_cflags" $pkg_cflags &&
966 set_safe "${pkg}_libs" $pkg_libs
967 }
968
969 check_exec(){
970 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
971 }
972
973 check_exec_crash(){
974 code=$(cat)
975
976 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
977 # are safe but may not be available everywhere. Thus we use
978 # raise(SIGTERM) instead. The check is run in a subshell so we
979 # can redirect the "Terminated" message from the shell. SIGBUS
980 # is not defined by standard C so it is used conditionally.
981
982 (check_exec "$@") >> $logfile 2>&1 <<EOF
983 #include <signal.h>
984 static void sighandler(int sig){
985 raise(SIGTERM);
986 }
987 int foo(void){
988 $code
989 }
990 int (*func_ptr)(void) = foo;
991 int main(void){
992 signal(SIGILL, sighandler);
993 signal(SIGFPE, sighandler);
994 signal(SIGSEGV, sighandler);
995 #ifdef SIGBUS
996 signal(SIGBUS, sighandler);
997 #endif
998 return func_ptr();
999 }
1000 EOF
1001 }
1002
1003 check_type(){
1004 log check_type "$@"
1005 headers=$1
1006 type=$2
1007 shift 2
1008 disable_safe "$type"
1009 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1010 }
1011
1012 check_struct(){
1013 log check_struct "$@"
1014 headers=$1
1015 struct=$2
1016 member=$3
1017 shift 3
1018 disable_safe "${struct}_${member}"
1019 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1020 enable_safe "${struct}_${member}"
1021 }
1022
1023 check_builtin(){
1024 log check_builtin "$@"
1025 name=$1
1026 headers=$2
1027 builtin=$3
1028 shift 3
1029 disable "$name"
1030 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1031 }
1032
1033 check_compile_assert(){
1034 log check_compile_assert "$@"
1035 name=$1
1036 headers=$2
1037 condition=$3
1038 shift 3
1039 disable "$name"
1040 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1041 }
1042
1043 require(){
1044 name="$1"
1045 header="$2"
1046 func="$3"
1047 shift 3
1048 check_lib $header $func "$@" || die "ERROR: $name not found"
1049 }
1050
1051 require2(){
1052 name="$1"
1053 headers="$2"
1054 func="$3"
1055 shift 3
1056 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1057 }
1058
1059 require_pkg_config(){
1060 pkg="$1"
1061 check_pkg_config "$@" || die "ERROR: $pkg not found"
1062 add_cflags $(get_safe "${pkg}_cflags")
1063 add_extralibs $(get_safe "${pkg}_libs")
1064 }
1065
1066 hostcc_e(){
1067 eval printf '%s\\n' $HOSTCC_E
1068 }
1069
1070 hostcc_o(){
1071 eval printf '%s\\n' $HOSTCC_O
1072 }
1073
1074 check_host_cc(){
1075 log check_host_cc "$@"
1076 cat > $TMPC
1077 log_file $TMPC
1078 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1079 }
1080
1081 check_host_cpp(){
1082 log check_host_cpp "$@"
1083 cat > $TMPC
1084 log_file $TMPC
1085 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1086 }
1087
1088 check_host_cppflags(){
1089 log check_host_cppflags "$@"
1090 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1091 int x;
1092 EOF
1093 }
1094
1095 check_host_cflags(){
1096 log check_host_cflags "$@"
1097 set -- $($host_cflags_filter "$@")
1098 check_host_cc "$@" <<EOF && append host_cflags "$@"
1099 int x;
1100 EOF
1101 }
1102
1103 check_host_cpp_condition(){
1104 log check_host_cpp_condition "$@"
1105 header=$1
1106 condition=$2
1107 shift 2
1108 check_host_cpp "$@" <<EOF
1109 #include <$header>
1110 #if !($condition)
1111 #error "unsatisfied condition: $condition"
1112 #endif
1113 EOF
1114 }
1115
1116 apply(){
1117 file=$1
1118 shift
1119 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1120 }
1121
1122 cp_if_changed(){
1123 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1124 mkdir -p "$(dirname $2)"
1125 $cp_f "$1" "$2"
1126 }
1127
1128 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1129 # system-dependent things.
1130
1131 COMPONENT_LIST="
1132 bsfs
1133 decoders
1134 demuxers
1135 encoders
1136 filters
1137 hwaccels
1138 indevs
1139 muxers
1140 outdevs
1141 parsers
1142 protocols
1143 "
1144
1145 EXAMPLE_LIST="
1146 avcodec_example
1147 filter_audio_example
1148 metadata_example
1149 output_example
1150 qsvdec_example
1151 transcode_aac_example
1152 "
1153
1154 EXTERNAL_LIBRARY_LIST="
1155 avisynth
1156 bzlib
1157 frei0r
1158 gnutls
1159 libbs2b
1160 libcdio
1161 libdc1394
1162 libdcadec
1163 libfaac
1164 libfdk_aac
1165 libfontconfig
1166 libfreetype
1167 libgsm
1168 libilbc
1169 libmfx
1170 libmp3lame
1171 libopencore_amrnb
1172 libopencore_amrwb
1173 libopencv
1174 libopenh264
1175 libopenjpeg
1176 libopus
1177 libpulse
1178 librtmp
1179 libschroedinger
1180 libsnappy
1181 libspeex
1182 libtheora
1183 libtwolame
1184 libvo_aacenc
1185 libvo_amrwbenc
1186 libvorbis
1187 libvpx
1188 libwavpack
1189 libwebp
1190 libx264
1191 libx265
1192 libxavs
1193 libxcb
1194 libxcb_shm
1195 libxcb_xfixes
1196 libxvid
1197 mmal
1198 nvenc
1199 openssl
1200 x11grab
1201 zlib
1202 "
1203
1204 FEATURE_LIST="
1205 gray
1206 hardcoded_tables
1207 runtime_cpudetect
1208 safe_bitstream_reader
1209 shared
1210 small
1211 sram
1212 static
1213 swscale_alpha
1214 "
1215
1216 HWACCEL_LIST="
1217 d3d11va
1218 dxva2
1219 vaapi
1220 vda
1221 vdpau
1222 "
1223
1224 LIBRARY_LIST="
1225 avcodec
1226 avdevice
1227 avfilter
1228 avformat
1229 avresample
1230 avutil
1231 swscale
1232 "
1233
1234 LICENSE_LIST="
1235 gpl
1236 nonfree
1237 version3
1238 "
1239
1240 PROGRAM_LIST="
1241 avconv
1242 avplay
1243 avprobe
1244 "
1245
1246 SUBSYSTEM_LIST="
1247 dct
1248 doc
1249 error_resilience
1250 faan
1251 fft
1252 lsp
1253 lzo
1254 mdct
1255 network
1256 rdft
1257 "
1258
1259 CONFIG_LIST="
1260 $COMPONENT_LIST
1261 $EXAMPLE_LIST
1262 $EXTERNAL_LIBRARY_LIST
1263 $FEATURE_LIST
1264 $HWACCEL_LIST
1265 $LICENSE_LIST
1266 $LIBRARY_LIST
1267 $PROGRAM_LIST
1268 $SUBSYSTEM_LIST
1269 memalign_hack
1270 neon_clobber_test
1271 pic
1272 pod2man
1273 texi2html
1274 thumb
1275 valgrind_backtrace
1276 xmm_clobber_test
1277 "
1278
1279 THREADS_LIST="
1280 pthreads
1281 w32threads
1282 "
1283
1284 ATOMICS_LIST="
1285 atomics_gcc
1286 atomics_suncc
1287 atomics_win32
1288 "
1289
1290 ARCH_LIST="
1291 aarch64
1292 alpha
1293 arm
1294 avr32
1295 avr32_ap
1296 avr32_uc
1297 bfin
1298 ia64
1299 m68k
1300 mips
1301 mips64
1302 parisc
1303 ppc
1304 ppc64
1305 s390
1306 sh4
1307 sparc
1308 sparc64
1309 tilegx
1310 tilepro
1311 tomi
1312 x86
1313 x86_32
1314 x86_64
1315 "
1316
1317 ARCH_EXT_LIST_ARM="
1318 armv5te
1319 armv6
1320 armv6t2
1321 armv8
1322 neon
1323 vfp
1324 vfpv3
1325 "
1326
1327 ARCH_EXT_LIST_X86_SIMD="
1328 amd3dnow
1329 amd3dnowext
1330 avx
1331 avx2
1332 fma3
1333 fma4
1334 mmx
1335 mmxext
1336 sse
1337 sse2
1338 sse3
1339 sse4
1340 sse42
1341 ssse3
1342 xop
1343 "
1344
1345 ARCH_EXT_LIST_PPC="
1346 altivec
1347 dcbzl
1348 ldbrx
1349 power8
1350 ppc4xx
1351 vsx
1352 "
1353
1354 ARCH_EXT_LIST_X86="
1355 $ARCH_EXT_LIST_X86_SIMD
1356 cpunop
1357 i686
1358 "
1359
1360 ARCH_EXT_LIST="
1361 $ARCH_EXT_LIST_ARM
1362 $ARCH_EXT_LIST_PPC
1363 $ARCH_EXT_LIST_X86
1364 loongson
1365 vis
1366 "
1367
1368 ARCH_FEATURES="
1369 aligned_stack
1370 fast_64bit
1371 fast_clz
1372 fast_cmov
1373 local_aligned_8
1374 local_aligned_16
1375 simd_align_16
1376 "
1377
1378 BUILTIN_LIST="
1379 atomic_cas_ptr
1380 machine_rw_barrier
1381 MemoryBarrier
1382 mm_empty
1383 rdtsc
1384 sync_val_compare_and_swap
1385 "
1386 HAVE_LIST_CMDLINE="
1387 inline_asm
1388 symver
1389 yasm
1390 "
1391
1392 HAVE_LIST_PUB="
1393 bigendian
1394 fast_unaligned
1395 "
1396
1397 HEADERS_LIST="
1398 alsa_asoundlib_h
1399 altivec_h
1400 arpa_inet_h
1401 cdio_paranoia_h
1402 cdio_paranoia_paranoia_h
1403 dev_bktr_ioctl_bt848_h
1404 dev_bktr_ioctl_meteor_h
1405 dev_ic_bt8xx_h
1406 dev_video_bktr_ioctl_bt848_h
1407 dev_video_meteor_ioctl_meteor_h
1408 direct_h
1409 dlfcn_h
1410 d3d11_h
1411 dxva_h
1412 gsm_h
1413 io_h
1414 mach_mach_time_h
1415 machine_ioctl_bt848_h
1416 machine_ioctl_meteor_h
1417 malloc_h
1418 poll_h
1419 sndio_h
1420 soundcard_h
1421 sys_mman_h
1422 sys_param_h
1423 sys_resource_h
1424 sys_select_h
1425 sys_soundcard_h
1426 sys_time_h
1427 sys_un_h
1428 sys_videoio_h
1429 unistd_h
1430 valgrind_valgrind_h
1431 windows_h
1432 winsock2_h
1433 "
1434
1435 INTRINSICS_LIST="
1436 intrinsics_neon
1437 "
1438
1439 MATH_FUNCS="
1440 atanf
1441 atan2f
1442 cbrtf
1443 cosf
1444 exp2
1445 exp2f
1446 expf
1447 isinf
1448 isnan
1449 ldexpf
1450 llrint
1451 llrintf
1452 log2
1453 log2f
1454 log10f
1455 lrint
1456 lrintf
1457 powf
1458 rint
1459 round
1460 roundf
1461 sinf
1462 trunc
1463 truncf
1464 "
1465
1466 SYSTEM_FUNCS="
1467 aligned_malloc
1468 clock_gettime
1469 closesocket
1470 CommandLineToArgvW
1471 CoTaskMemFree
1472 CryptGenRandom
1473 dlopen
1474 fcntl
1475 flt_lim
1476 fork
1477 getaddrinfo
1478 gethrtime
1479 getopt
1480 GetProcessAffinityMask
1481 GetProcessMemoryInfo
1482 GetProcessTimes
1483 getrusage
1484 getservbyport
1485 GetSystemTimeAsFileTime
1486 gettimeofday
1487 gmtime_r
1488 inet_aton
1489 isatty
1490 jack_port_get_latency_range
1491 LoadLibrary
1492 localtime_r
1493 mach_absolute_time
1494 MapViewOfFile
1495 memalign
1496 mkstemp
1497 mmap
1498 mprotect
1499 nanosleep
1500 posix_memalign
1501 sched_getaffinity
1502 SetConsoleTextAttribute
1503 setmode
1504 setrlimit
1505 Sleep
1506 strerror_r
1507 sysconf
1508 sysctl
1509 usleep
1510 VirtualAlloc
1511 "
1512
1513 TOOLCHAIN_FEATURES="
1514 as_dn_directive
1515 as_func
1516 as_object_arch
1517 asm_mod_q
1518 attribute_may_alias
1519 attribute_packed
1520 ebp_available
1521 ebx_available
1522 gnu_as
1523 ibm_asm
1524 inline_asm_labels
1525 pragma_deprecated
1526 symver_asm_label
1527 symver_gnu_asm
1528 vfp_args
1529 xform_asm
1530 xmm_clobbers
1531 "
1532
1533 TYPES_LIST="
1534 CONDITION_VARIABLE_Ptr
1535 socklen_t
1536 struct_addrinfo
1537 struct_group_source_req
1538 struct_ip_mreq_source
1539 struct_ipv6_mreq
1540 struct_pollfd
1541 struct_rusage_ru_maxrss
1542 struct_sockaddr_in6
1543 struct_sockaddr_sa_len
1544 struct_sockaddr_storage
1545 struct_v4l2_frmivalenum_discrete
1546 "
1547
1548 HAVE_LIST="
1549 $ARCH_EXT_LIST
1550 $(add_suffix _external $ARCH_EXT_LIST)
1551 $(add_suffix _inline $ARCH_EXT_LIST)
1552 $ARCH_FEATURES
1553 $ATOMICS_LIST
1554 $BUILTIN_LIST
1555 $HAVE_LIST_CMDLINE
1556 $HAVE_LIST_PUB
1557 $HEADERS_LIST
1558 $INTRINSICS_LIST
1559 $MATH_FUNCS
1560 $SYSTEM_FUNCS
1561 $THREADS_LIST
1562 $TOOLCHAIN_FEATURES
1563 $TYPES_LIST
1564 atomics_native
1565 dos_paths
1566 dxva2_lib
1567 libc_msvcrt
1568 libdc1394_1
1569 libdc1394_2
1570 sdl
1571 section_data_rel_ro
1572 threads
1573 vaapi_x11
1574 vdpau_x11
1575 xlib
1576 "
1577
1578 # options emitted with CONFIG_ prefix but not available on the command line
1579 CONFIG_EXTRA="
1580 aandcttables
1581 ac3dsp
1582 audio_frame_queue
1583 audiodsp
1584 blockdsp
1585 bswapdsp
1586 cabac
1587 dvprofile
1588 faandct
1589 faanidct
1590 fdctdsp
1591 flacdsp
1592 fmtconvert
1593 gcrypt
1594 gmp
1595 golomb
1596 gplv3
1597 h263dsp
1598 h264chroma
1599 h264dsp
1600 h264pred
1601 h264qpel
1602 hpeldsp
1603 huffman
1604 huffyuvdsp
1605 huffyuvencdsp
1606 idctdsp
1607 iirfilter
1608 imdct15
1609 intrax8
1610 ividsp
1611 jpegtables
1612 libx262
1613 lgplv3
1614 lpc
1615 me_cmp
1616 mpeg_er
1617 mpegaudio
1618 mpegaudiodsp
1619 mpegvideo
1620 mpegvideoenc
1621 mss34dsp
1622 pixblockdsp
1623 qpeldsp
1624 qsv
1625 qsvdec
1626 qsvenc
1627 rangecoder
1628 riffdec
1629 riffenc
1630 rtpdec
1631 rtpenc_chain
1632 rv34dsp
1633 sinewin
1634 snappy
1635 startcode
1636 texturedsp
1637 texturedspenc
1638 tpeldsp
1639 videodsp
1640 vp3dsp
1641 vp56dsp
1642 vp8dsp
1643 wma_freqs
1644 wmv2dsp
1645 "
1646
1647 CMDLINE_SELECT="
1648 $ARCH_EXT_LIST
1649 $CONFIG_LIST
1650 $HAVE_LIST_CMDLINE
1651 $THREADS_LIST
1652 asm
1653 cross_compile
1654 debug
1655 extra_warnings
1656 logging
1657 lto
1658 optimizations
1659 rpath
1660 "
1661
1662 PATHS_LIST="
1663 bindir
1664 datadir
1665 docdir
1666 incdir
1667 libdir
1668 mandir
1669 prefix
1670 shlibdir
1671 "
1672
1673 CMDLINE_SET="
1674 $PATHS_LIST
1675 ar
1676 arch
1677 as
1678 build_suffix
1679 cc
1680 cpu
1681 cross_prefix
1682 dep_cc
1683 env
1684 extra_version
1685 host_cc
1686 host_cflags
1687 host_ld
1688 host_ldflags
1689 host_libs
1690 host_os
1691 ld
1692 logfile
1693 malloc_prefix
1694 nm
1695 optflags
1696 pkg_config
1697 pkg_config_flags
1698 random_seed
1699 samples
1700 sysinclude
1701 sysroot
1702 target_exec
1703 target_os
1704 target_path
1705 target_samples
1706 toolchain
1707 "
1708
1709 CMDLINE_APPEND="
1710 extra_cflags
1711 host_cppflags
1712 "
1713
1714 # code dependency declarations
1715
1716 # architecture extensions
1717
1718 armv5te_deps="arm"
1719 armv6_deps="arm"
1720 armv6t2_deps="arm"
1721 armv8_deps="aarch64"
1722 neon_deps_any="aarch64 arm"
1723 intrinsics_neon_deps="neon"
1724 vfp_deps_any="aarch64 arm"
1725 vfpv3_deps="vfp"
1726
1727 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1728
1729 altivec_deps="ppc"
1730 ppc4xx_deps="ppc"
1731 vsx_deps="altivec"
1732 power8_deps="vsx"
1733
1734 cpunop_deps="i686"
1735 x86_64_select="i686"
1736 x86_64_suggest="fast_cmov"
1737
1738 amd3dnow_deps="mmx"
1739 amd3dnowext_deps="amd3dnow"
1740 i686_deps="x86"
1741 mmx_deps="x86"
1742 mmxext_deps="mmx"
1743 sse_deps="mmxext"
1744 sse2_deps="sse"
1745 sse3_deps="sse2"
1746 ssse3_deps="sse3"
1747 sse4_deps="ssse3"
1748 sse42_deps="sse4"
1749 avx_deps="sse42"
1750 xop_deps="avx"
1751 fma3_deps="avx"
1752 fma4_deps="avx"
1753 avx2_deps="avx"
1754
1755 mmx_external_deps="yasm"
1756 mmx_inline_deps="inline_asm"
1757 mmx_suggest="mmx_external mmx_inline"
1758
1759 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1760 eval dep=\$${ext}_deps
1761 eval ${ext}_external_deps='"${dep}_external"'
1762 eval ${ext}_inline_deps='"${dep}_inline"'
1763 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1764 done
1765
1766 aligned_stack_if_any="aarch64 ppc x86"
1767 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1768 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1769 fast_unaligned_if_any="aarch64 ppc x86"
1770 simd_align_16_if_any="altivec neon sse"
1771
1772 # system capabilities
1773 symver_if_any="symver_asm_label symver_gnu_asm"
1774 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
1775
1776 # threading support
1777 atomics_gcc_if="sync_val_compare_and_swap"
1778 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1779 atomics_win32_if="MemoryBarrier"
1780 atomics_native_if_any="$ATOMICS_LIST"
1781 w32threads_deps="atomics_native"
1782 threads_if_any="$THREADS_LIST"
1783
1784 # subsystems
1785 dct_select="rdft"
1786 error_resilience_select="me_cmp"
1787 faandct_deps="faan fdctdsp"
1788 faanidct_deps="faan idctdsp"
1789 intrax8_select="error_resilience"
1790 mdct_select="fft"
1791 rdft_select="fft"
1792 me_cmp_select="fdctdsp idctdsp pixblockdsp"
1793 mpeg_er_select="error_resilience"
1794 mpegaudio_select="mpegaudiodsp"
1795 mpegaudiodsp_select="dct"
1796 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp videodsp"
1797 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
1798 nvenc_deps_any="dlopen LoadLibrary"
1799 nvenc_extralibs='$ldl'
1800 qsvdec_select="qsv"
1801 qsvenc_select="qsv"
1802
1803 # decoders / encoders
1804 aac_decoder_select="imdct15 mdct sinewin"
1805 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
1806 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1807 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
1808 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1809 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
1810 aic_decoder_select="golomb idctdsp"
1811 alac_encoder_select="lpc"
1812 als_decoder_select="bswapdsp"
1813 amrnb_decoder_select="lsp"
1814 amrwb_decoder_select="lsp"
1815 amv_decoder_select="sp5x_decoder"
1816 ape_decoder_select="bswapdsp"
1817 asv1_decoder_select="blockdsp bswapdsp idctdsp"
1818 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
1819 asv2_decoder_select="blockdsp bswapdsp idctdsp"
1820 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
1821 atrac1_decoder_select="mdct sinewin"
1822 atrac3_decoder_select="mdct"
1823 atrac3p_decoder_select="mdct sinewin"
1824 bink_decoder_select="blockdsp hpeldsp"
1825 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
1826 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
1827 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
1828 cllc_decoder_select="bswapdsp"
1829 comfortnoise_encoder_select="lpc"
1830 cook_decoder_select="audiodsp mdct sinewin"
1831 cscd_decoder_select="lzo"
1832 cscd_decoder_suggest="zlib"
1833 dca_decoder_select="fmtconvert mdct"
1834 dds_decoder_select="texturedsp"
1835 dnxhd_decoder_select="blockdsp idctdsp"
1836 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
1837 dvvideo_decoder_select="dvprofile idctdsp"
1838 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
1839 dxa_decoder_deps="zlib"
1840 eac3_decoder_select="ac3_decoder"
1841 eac3_encoder_select="ac3_encoder"
1842 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
1843 eatgq_decoder_select="aandcttables idctdsp"
1844 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
1845 exr_decoder_deps="zlib"
1846 ffv1_decoder_select="golomb rangecoder"
1847 ffv1_encoder_select="rangecoder"
1848 ffvhuff_decoder_select="huffyuv_decoder"
1849 ffvhuff_encoder_select="huffyuv_encoder"
1850 fic_decoder_select="golomb"
1851 flac_decoder_select="flacdsp golomb"
1852 flac_encoder_select="bswapdsp flacdsp golomb lpc"
1853 flashsv_decoder_deps="zlib"
1854 flashsv_encoder_deps="zlib"
1855 flashsv2_decoder_deps="zlib"
1856 flv_decoder_select="h263_decoder"
1857 flv_encoder_select="h263_encoder"
1858 fourxm_decoder_select="blockdsp bswapdsp"
1859 fraps_decoder_select="bswapdsp huffman"
1860 g2m_decoder_deps="zlib"
1861 g2m_decoder_select="blockdsp idctdsp jpegtables"
1862 h261_decoder_select="mpeg_er mpegvideo"
1863 h261_encoder_select="aandcttables mpegvideoenc"
1864 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
1865 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1866 h263i_decoder_select="h263_decoder"
1867 h263p_encoder_select="h263_encoder"
1868 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
1869 h264_decoder_suggest="error_resilience"
1870 h264_nvenc_encoder_deps="nvenc"
1871 h264_qsv_decoder_deps="libmfx"
1872 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
1873 h264_qsv_encoder_deps="libmfx"
1874 h264_qsv_encoder_select="qsvenc"
1875 hap_decoder_select="snappy texturedsp"
1876 hap_encoder_deps="libsnappy"
1877 hap_encoder_select="texturedspenc"
1878 hevc_decoder_select="bswapdsp cabac golomb videodsp"
1879 hevc_nvenc_encoder_deps="nvenc"
1880 hevc_qsv_encoder_deps="libmfx"
1881 hevc_qsv_encoder_select="qsvenc"
1882 huffyuv_decoder_select="bswapdsp huffyuvdsp"
1883 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
1884 iac_decoder_select="imc_decoder"
1885 imc_decoder_select="bswapdsp fft mdct sinewin"
1886 indeo3_decoder_select="hpeldsp"
1887 indeo4_decoder_select="ividsp"
1888 indeo5_decoder_select="ividsp"
1889 interplay_video_decoder_select="hpeldsp"
1890 jpegls_decoder_select="golomb mjpeg_decoder"
1891 jpegls_encoder_select="golomb"
1892 jv_decoder_select="blockdsp"
1893 lagarith_decoder_select="huffyuvdsp"
1894 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
1895 loco_decoder_select="golomb"
1896 mdec_decoder_select="blockdsp idctdsp mpegvideo"
1897 metasound_decoder_select="lsp mdct sinewin"
1898 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
1899 mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
1900 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
1901 mjpegb_decoder_select="mjpeg_decoder"
1902 mlp_decoder_select="mlp_parser"
1903 motionpixels_decoder_select="bswapdsp"
1904 mp1_decoder_select="mpegaudio"
1905 mp1float_decoder_select="mpegaudio"
1906 mp2_decoder_select="mpegaudio"
1907 mp2float_decoder_select="mpegaudio"
1908 mp3_decoder_select="mpegaudio"
1909 mp3adu_decoder_select="mpegaudio"
1910 mp3adufloat_decoder_select="mpegaudio"
1911 mp3float_decoder_select="mpegaudio"
1912 mp3on4_decoder_select="mpegaudio"
1913 mp3on4float_decoder_select="mpegaudio"
1914 mpc7_decoder_select="bswapdsp mpegaudiodsp"
1915 mpc8_decoder_select="mpegaudiodsp"
1916 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1917 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1918 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
1919 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1920 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
1921 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1922 mpeg2_qsv_encoder_deps="libmfx"
1923 mpeg2_qsv_encoder_select="qsvenc"
1924 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1925 mpeg4_encoder_select="h263_encoder"
1926 msa1_decoder_select="mss34dsp"
1927 msmpeg4v1_decoder_select="h263_decoder"
1928 msmpeg4v2_decoder_select="h263_decoder"
1929 msmpeg4v2_encoder_select="h263_encoder"
1930 msmpeg4v3_decoder_select="h263_decoder"
1931 msmpeg4v3_encoder_select="h263_encoder"
1932 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
1933 mts2_decoder_select="mss34dsp"
1934 mxpeg_decoder_select="mjpeg_decoder"
1935 nellymoser_decoder_select="mdct sinewin"
1936 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1937 nuv_decoder_select="idctdsp lzo"
1938 on2avc_decoder_select="mdct"
1939 opus_decoder_deps="avresample"
1940 opus_decoder_select="imdct15"
1941 png_decoder_deps="zlib"
1942 png_encoder_deps="zlib"
1943 png_encoder_select="huffyuvencdsp"
1944 prores_decoder_select="idctdsp"
1945 prores_encoder_select="fdctdsp"
1946 qcelp_decoder_select="lsp"
1947 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1948 ra_144_encoder_select="audio_frame_queue lpc"
1949 ralf_decoder_select="golomb"
1950 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
1951 rv10_encoder_select="h263_encoder"
1952 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
1953 rv20_encoder_select="h263_encoder"
1954 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
1955 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
1956 shorten_decoder_select="golomb"
1957 sipr_decoder_select="lsp"
1958 sp5x_decoder_select="mjpeg_decoder"
1959 svq1_decoder_select="hpeldsp"
1960 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
1961 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
1962 svq3_decoder_suggest="zlib"
1963 tak_decoder_select="audiodsp"
1964 tdsc_decoder_deps="zlib"
1965 tdsc_decoder_select="mjpeg_decoder"
1966 theora_decoder_select="vp3_decoder"
1967 thp_decoder_select="mjpeg_decoder"
1968 tiff_decoder_suggest="zlib"
1969 tiff_encoder_suggest="zlib"
1970 truehd_decoder_select="mlp_decoder"
1971 truemotion2_decoder_select="bswapdsp"
1972 truespeech_decoder_select="bswapdsp"
1973 tscc_decoder_deps="zlib"
1974 txd_decoder_select="texturedsp"
1975 twinvq_decoder_select="mdct lsp sinewin"
1976 utvideo_decoder_select="bswapdsp"
1977 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
1978 vble_decoder_select="huffyuvdsp"
1979 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
1980 vc1image_decoder_select="vc1_decoder"
1981 vorbis_decoder_select="mdct"
1982 vorbis_encoder_select="mdct"
1983 vp3_decoder_select="hpeldsp vp3dsp videodsp"
1984 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
1985 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
1986 vp6a_decoder_select="vp6_decoder"
1987 vp6f_decoder_select="vp6_decoder"
1988 vp7_decoder_select="h264pred videodsp vp8dsp"
1989 vp8_decoder_select="h264pred videodsp vp8dsp"
1990 vp9_decoder_select="videodsp"
1991 webp_decoder_select="vp8_decoder"
1992 wmapro_decoder_select="mdct sinewin wma_freqs"
1993 wmav1_decoder_select="mdct sinewin wma_freqs"
1994 wmav1_encoder_select="mdct sinewin wma_freqs"
1995 wmav2_decoder_select="mdct sinewin wma_freqs"
1996 wmav2_encoder_select="mdct sinewin wma_freqs"
1997 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1998 wmv1_decoder_select="h263_decoder"
1999 wmv1_encoder_select="h263_encoder"
2000 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2001 wmv2_encoder_select="h263_encoder wmv2dsp"
2002 wmv3_decoder_select="vc1_decoder"
2003 wmv3image_decoder_select="wmv3_decoder"
2004 zerocodec_decoder_deps="zlib"
2005 zlib_decoder_deps="zlib"
2006 zlib_encoder_deps="zlib"
2007 zmbv_decoder_deps="zlib"
2008 zmbv_encoder_deps="zlib"
2009
2010 # hardware accelerators
2011 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2012 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2013 vaapi_deps="va_va_h"
2014 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2015 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2016 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2017
2018 h263_vaapi_hwaccel_deps="vaapi"
2019 h263_vaapi_hwaccel_select="h263_decoder"
2020 h263_vdpau_hwaccel_deps="vdpau"
2021 h263_vdpau_hwaccel_select="h263_decoder"
2022 h264_d3d11va_hwaccel_deps="d3d11va"
2023 h264_d3d11va_hwaccel_select="h264_decoder"
2024 h264_dxva2_hwaccel_deps="dxva2"
2025 h264_dxva2_hwaccel_select="h264_decoder"
2026 h264_mmal_decoder_deps="mmal"
2027 h264_mmal_hwaccel_deps="mmal"
2028 h264_mmal_decoder_select="h264_decoder"
2029 h264_mmal_encoder_deps="mmal"
2030 h264_qsv_hwaccel_deps="libmfx"
2031 h264_vaapi_hwaccel_deps="vaapi"
2032 h264_vaapi_hwaccel_select="h264_decoder"
2033 h264_vda_hwaccel_deps="vda"
2034 h264_vda_hwaccel_select="h264_decoder"
2035 h264_vda_old_hwaccel_deps="vda"
2036 h264_vda_old_hwaccel_select="h264_decoder"
2037 h264_vdpau_hwaccel_deps="vdpau"
2038 h264_vdpau_hwaccel_select="h264_decoder"
2039 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2040 hevc_d3d11va_hwaccel_select="hevc_decoder"
2041 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2042 hevc_dxva2_hwaccel_select="hevc_decoder"
2043 mpeg1_vdpau_hwaccel_deps="vdpau"
2044 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2045 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2046 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2047 mpeg2_dxva2_hwaccel_deps="dxva2"
2048 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2049 mpeg2_vaapi_hwaccel_deps="vaapi"
2050 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2051 mpeg2_vdpau_hwaccel_deps="vdpau"
2052 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2053 mpeg4_vaapi_hwaccel_deps="vaapi"
2054 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2055 mpeg4_vdpau_hwaccel_deps="vdpau"
2056 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2057 vc1_d3d11va_hwaccel_deps="d3d11va"
2058 vc1_d3d11va_hwaccel_select="vc1_decoder"
2059 vc1_dxva2_hwaccel_deps="dxva2"
2060 vc1_dxva2_hwaccel_select="vc1_decoder"
2061 vc1_vaapi_hwaccel_deps="vaapi"
2062 vc1_vaapi_hwaccel_select="vc1_decoder"
2063 vc1_vdpau_hwaccel_deps="vdpau"
2064 vc1_vdpau_hwaccel_select="vc1_decoder"
2065 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2066 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2067 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2068 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2069
2070 # parsers
2071 h264_parser_select="h264_decoder"
2072 hevc_parser_select="golomb"
2073 mpegvideo_parser_select="mpegvideo"
2074 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
2075 vc1_parser_select="mpegvideo startcode vc1_decoder"
2076
2077 # bitstream_filters
2078 mjpeg2jpeg_bsf_select="jpegtables"
2079
2080 # external libraries
2081 libdcadec_decoder_deps="libdcadec"
2082 libfaac_encoder_deps="libfaac"
2083 libfaac_encoder_select="audio_frame_queue"
2084 libfdk_aac_decoder_deps="libfdk_aac"
2085 libfdk_aac_encoder_deps="libfdk_aac"
2086 libfdk_aac_encoder_select="audio_frame_queue"
2087 libgsm_decoder_deps="libgsm"
2088 libgsm_encoder_deps="libgsm"
2089 libgsm_ms_decoder_deps="libgsm"
2090 libgsm_ms_encoder_deps="libgsm"
2091 libilbc_decoder_deps="libilbc"
2092 libilbc_encoder_deps="libilbc"
2093 libmp3lame_encoder_deps="libmp3lame"
2094 libmp3lame_encoder_select="audio_frame_queue"
2095 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2096 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2097 libopencore_amrnb_encoder_select="audio_frame_queue"
2098 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2099 libopenh264_encoder_deps="libopenh264"
2100 libopenjpeg_decoder_deps="libopenjpeg"
2101 libopenjpeg_encoder_deps="libopenjpeg"
2102 libopus_decoder_deps="libopus"
2103 libopus_encoder_deps="libopus"
2104 libopus_encoder_select="audio_frame_queue"
2105 libschroedinger_decoder_deps="libschroedinger"
2106 libschroedinger_encoder_deps="libschroedinger"
2107 libspeex_decoder_deps="libspeex"
2108 libspeex_encoder_deps="libspeex"
2109 libspeex_encoder_select="audio_frame_queue"
2110 libtheora_encoder_deps="libtheora"
2111 libtwolame_encoder_deps="libtwolame"
2112 libvo_aacenc_encoder_deps="libvo_aacenc"
2113 libvo_aacenc_encoder_select="audio_frame_queue"
2114 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2115 libvorbis_encoder_deps="libvorbis"
2116 libvorbis_encoder_select="audio_frame_queue"
2117 libvpx_vp8_decoder_deps="libvpx"
2118 libvpx_vp8_encoder_deps="libvpx"
2119 libvpx_vp9_decoder_deps="libvpx"
2120 libvpx_vp9_encoder_deps="libvpx"
2121 libwavpack_encoder_deps="libwavpack"
2122 libwebp_encoder_deps="libwebp"
2123 libx262_encoder_deps="libx262"
2124 libx264_encoder_deps="libx264"
2125 libx265_encoder_deps="libx265"
2126 libxavs_encoder_deps="libxavs"
2127 libxvid_encoder_deps="libxvid"
2128
2129 # demuxers / muxers
2130 ac3_demuxer_select="ac3_parser"
2131 asf_demuxer_select="riffdec"
2132 asf_muxer_select="riffenc"
2133 asf_stream_muxer_select="asf_muxer"
2134 avi_demuxer_select="riffdec"
2135 avi_muxer_select="riffenc"
2136 avisynth_demuxer_deps="avisynth"
2137 avisynth_demuxer_select="riffdec"
2138 caf_demuxer_select="riffdec"
2139 dash_muxer_select="mp4_muxer"
2140 dirac_demuxer_select="dirac_parser"
2141 dv_demuxer_select="dvprofile"
2142 dv_muxer_select="dvprofile"
2143 dxa_demuxer_select="riffdec"
2144 eac3_demuxer_select="ac3_parser"
2145 f4v_muxer_select="mov_muxer"
2146 flac_demuxer_select="flac_parser"
2147 hds_muxer_select="flv_muxer"
2148 hls_muxer_select="mpegts_muxer"
2149 ipod_muxer_select="mov_muxer"
2150 ismv_muxer_select="mov_muxer"
2151 matroska_audio_muxer_select="matroska_muxer"
2152 matroska_demuxer_select="riffdec"
2153 matroska_demuxer_suggest="bzlib lzo zlib"
2154 matroska_muxer_select="riffenc"
2155 mmf_muxer_select="riffenc"
2156 mov_demuxer_select="riffdec"
2157 mov_demuxer_suggest="zlib"
2158 mov_muxer_select="riffenc rtpenc_chain"
2159 mp3_demuxer_select="mpegaudio_parser"
2160 mp4_muxer_select="mov_muxer"
2161 mpegts_muxer_select="adts_muxer latm_muxer"
2162 mpegtsraw_demuxer_select="mpegts_demuxer"
2163 mxf_d10_muxer_select="mxf_muxer"
2164 nut_muxer_select="riffenc"
2165 nuv_demuxer_select="riffdec"
2166 oga_muxer_select="ogg_muxer"
2167 ogg_demuxer_select="golomb"
2168 opus_muxer_select="ogg_muxer"
2169 psp_muxer_select="mov_muxer"
2170 rtp_demuxer_select="sdp_demuxer"
2171 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2172 rtsp_demuxer_select="http_protocol rtpdec"
2173 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2174 sap_demuxer_select="sdp_demuxer"
2175 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2176 sdp_demuxer_select="rtpdec"
2177 smoothstreaming_muxer_select="ismv_muxer"
2178 spdif_muxer_select="aac_parser"
2179 spx_muxer_select="ogg_muxer"
2180 tak_demuxer_select="tak_parser"
2181 tg2_muxer_select="mov_muxer"
2182 tgp_muxer_select="mov_muxer"
2183 w64_demuxer_select="wav_demuxer"
2184 wav_demuxer_select="riffdec"
2185 wav_muxer_select="riffenc"
2186 webm_muxer_select="riffenc"
2187 wtv_demuxer_select="riffdec"
2188 xmv_demuxer_select="riffdec"
2189 xwma_demuxer_select="riffdec"
2190
2191 # indevs / outdevs
2192 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2193 alsa_outdev_deps="alsa_asoundlib_h"
2194 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2195 dv1394_indev_deps="dv1394"
2196 dv1394_indev_select="dv_demuxer"
2197 fbdev_indev_deps="linux_fb_h"
2198 jack_indev_deps="jack_jack_h pthreads"
2199 libcdio_indev_deps="libcdio"
2200 libdc1394_indev_deps="libdc1394"
2201 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2202 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2203 pulse_indev_deps="libpulse"
2204 sndio_indev_deps="sndio_h"
2205 sndio_outdev_deps="sndio_h"
2206 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2207 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2208 vfwcap_indev_extralibs="-lavicap32"
2209 x11grab_indev_deps="x11grab"
2210 x11grab_xcb_indev_deps="libxcb"
2211
2212 # protocols
2213 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2214 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2215 ffrtmpcrypt_protocol_select="tcp_protocol"
2216 ffrtmphttp_protocol_deps="!librtmp_protocol"
2217 ffrtmphttp_protocol_select="http_protocol"
2218 gopher_protocol_select="network"
2219 http_protocol_select="tcp_protocol"
2220 httpproxy_protocol_select="tcp_protocol"
2221 https_protocol_select="tls_protocol"
2222 icecast_protocol_select="http_protocol"
2223 librtmp_protocol_deps="librtmp"
2224 librtmpe_protocol_deps="librtmp"
2225 librtmps_protocol_deps="librtmp"
2226 librtmpt_protocol_deps="librtmp"
2227 librtmpte_protocol_deps="librtmp"
2228 mmsh_protocol_select="http_protocol"
2229 mmst_protocol_select="network"
2230 rtmp_protocol_deps="!librtmp_protocol"
2231 rtmp_protocol_select="tcp_protocol"
2232 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2233 rtmps_protocol_deps="!librtmp_protocol"
2234 rtmps_protocol_select="tls_protocol"
2235 rtmpt_protocol_select="ffrtmphttp_protocol"
2236 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2237 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2238 rtp_protocol_select="udp_protocol"
2239 sctp_protocol_deps="struct_sctp_event_subscribe"
2240 sctp_protocol_select="network"
2241 srtp_protocol_select="rtp_protocol"
2242 tcp_protocol_select="network"
2243 tls_gnutls_protocol_deps="gnutls"
2244 tls_gnutls_protocol_select="tcp_protocol"
2245 tls_openssl_protocol_deps="openssl !tls_gnutls_protocol"
2246 tls_openssl_protocol_select="tcp_protocol"
2247 tls_protocol_deps_any="tls_gnutls_protocol tls_openssl_protocol"
2248 udp_protocol_select="network"
2249 unix_protocol_deps="sys_un_h"
2250 unix_protocol_select="network"
2251
2252 # filters
2253 blackframe_filter_deps="gpl"
2254 boxblur_filter_deps="gpl"
2255 bs2b_filter_deps="libbs2b"
2256 cropdetect_filter_deps="gpl"
2257 delogo_filter_deps="gpl"
2258 drawtext_filter_deps="libfreetype"
2259 frei0r_filter_deps="frei0r dlopen"
2260 frei0r_filter_extralibs='$ldl'
2261 frei0r_src_filter_deps="frei0r dlopen"
2262 frei0r_src_filter_extralibs='$ldl'
2263 hqdn3d_filter_deps="gpl"
2264 interlace_filter_deps="gpl"
2265 ocv_filter_deps="libopencv"
2266 resample_filter_deps="avresample"
2267 scale_filter_deps="swscale"
2268
2269 # examples
2270 avcodec_example_deps="avcodec avutil"
2271 filter_audio_example_deps="avfilter avutil"
2272 metadata_example_deps="avformat avutil"
2273 output_example_deps="avcodec avformat avutil swscale"
2274 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2275 transcode_aac_example_deps="avcodec avformat avresample"
2276
2277 # libraries, in linking order
2278 avcodec_deps="avutil"
2279 avdevice_deps="avformat avcodec avutil"
2280 avfilter_deps="avutil"
2281 avformat_deps="avcodec avutil"
2282 avresample_deps="avutil"
2283 swscale_deps="avutil"
2284
2285 # programs
2286 avconv_deps="avcodec avfilter avformat avresample swscale"
2287 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2288 fps_filter null_filter resample_filter scale_filter
2289 setpts_filter trim_filter"
2290 avplay_deps="avcodec avformat avresample swscale sdl"
2291 avplay_libs='$sdl_libs'
2292 avplay_select="rdft transpose_filter hflip_filter vflip_filter"
2293 avprobe_deps="avcodec avformat"
2294
2295 # documentation
2296 pod2man_deps="doc"
2297 texi2html_deps="doc"
2298
2299 # default parameters
2300
2301 logfile="config.log"
2302
2303 # installation paths
2304 prefix_default="/usr/local"
2305 bindir_default='${prefix}/bin'
2306 datadir_default='${prefix}/share/avconv'
2307 docdir_default='${prefix}/share/doc/libav'
2308 incdir_default='${prefix}/include'
2309 libdir_default='${prefix}/lib'
2310 mandir_default='${prefix}/share/man'
2311 shlibdir_default="$libdir_default"
2312
2313 # toolchain
2314 ar_default="ar"
2315 cc_default="gcc"
2316 host_cc_default="gcc"
2317 cp_f="cp -f"
2318 ln_s="ln -s -f"
2319 nm_default="nm -g"
2320 objformat="elf"
2321 pkg_config_default=pkg-config
2322 ranlib="ranlib"
2323 strip="strip"
2324 yasmexe="yasm"
2325
2326 # machine
2327 arch_default=$(uname -m)
2328 cpu="generic"
2329 intrinsics="none"
2330
2331 # OS
2332 target_os_default=$(tolower $(uname -s))
2333 host_os=$target_os_default
2334
2335 # configurable options
2336 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2337
2338 enable asm
2339 enable debug
2340 enable doc
2341 enable faan faandct faanidct
2342 enable optimizations
2343 enable safe_bitstream_reader
2344 enable static
2345 enable swscale_alpha
2346 enable valgrind_backtrace
2347
2348 # By default, enable only those hwaccels that have no external dependencies.
2349 enable d3d11va dxva2 vda vdpau
2350
2351 # build settings
2352 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2353 LIBPREF="lib"
2354 LIBSUF=".a"
2355 FULLNAME='$(NAME)$(BUILDSUF)'
2356 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2357 SLIBPREF="lib"
2358 SLIBSUF=".so"
2359 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2360 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2361 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2362 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2363 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2364 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2365
2366 asflags_filter=echo
2367 cflags_filter=echo
2368 ldflags_filter=echo
2369
2370 AS_C='-c'
2371 AS_O='-o $@'
2372 CC_C='-c'
2373 CC_E='-E -o $@'
2374 CC_O='-o $@'
2375 LD_O='-o $@'
2376 LD_LIB='-l%'
2377 LD_PATH='-L'
2378 HOSTCC_C='-c'
2379 HOSTCC_E='-E -o $@'
2380 HOSTCC_O='-o $@'
2381 HOSTLD_O='-o $@'
2382
2383 host_libs='-lm'
2384 host_cflags_filter=echo
2385 host_ldflags_filter=echo
2386
2387 target_path='$(CURDIR)'
2388
2389 # since the object filename is not given with the -MM flag, the compiler
2390 # is only able to print the basename, and we must add the path ourselves
2391 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2392 DEPFLAGS='-MM'
2393
2394 # find source path
2395 if test -f configure; then
2396 source_path=.
2397 else
2398 source_path=$(cd $(dirname "$0"); pwd)
2399 echo "$source_path" | grep -q '[[:blank:]]' &&
2400 die "Out of tree builds are impossible with whitespace in source path."
2401 test -e "$source_path/config.h" &&
2402 die "Out of tree builds are impossible with config.h in source dir."
2403 fi
2404
2405 for v in "$@"; do
2406 r=${v#*=}
2407 l=${v%"$r"}
2408 r=$(sh_quote "$r")
2409 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2410 done
2411
2412 find_things(){
2413 thing=$1
2414 pattern=$2
2415 file=$source_path/$3
2416 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2417 }
2418
2419 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2420 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2421 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2422 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2423 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2424 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2425 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2426 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2427 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2428 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2429 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2430
2431 ALL_COMPONENTS="
2432 $BSF_LIST
2433 $DECODER_LIST
2434 $DEMUXER_LIST
2435 $ENCODER_LIST
2436 $FILTER_LIST
2437 $HWACCEL_LIST
2438 $INDEV_LIST
2439 $MUXER_LIST
2440 $OUTDEV_LIST
2441 $PARSER_LIST
2442 $PROTOCOL_LIST
2443 "
2444
2445 for n in $COMPONENT_LIST; do
2446 v=$(toupper ${n%s})_LIST
2447 eval enable \$$v
2448 eval ${n}_if_any="\$$v"
2449 done
2450
2451 enable $ARCH_EXT_LIST
2452
2453 die_unknown(){
2454 echo "Unknown option \"$1\"."
2455 echo "See $0 --help for available options."
2456 exit 1
2457 }
2458
2459 print_3_columns() {
2460 cat | tr ' ' '\n' | sort | pr -r -3 -t
2461 }
2462
2463 show_list() {
2464 suffix=_$1
2465 shift
2466 echo $* | sed s/$suffix//g | print_3_columns
2467 exit 0
2468 }
2469
2470 rand_list(){
2471 IFS=', '
2472 set -- $*
2473 unset IFS
2474 for thing; do
2475 comp=${thing%:*}
2476 prob=${thing#$comp}
2477 prob=${prob#:}
2478 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2479 echo "prob ${prob:-0.5}"
2480 printf '%s\n' $comp
2481 done
2482 }
2483
2484 do_random(){
2485 action=$1
2486 shift
2487 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2488 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2489 }
2490
2491 for opt do
2492 optval="${opt#*=}"
2493 case "$opt" in
2494 --extra-ldflags=*)
2495 add_ldflags $optval
2496 ;;
2497 --extra-ldexeflags=*)
2498 add_ldexeflags $optval
2499 ;;
2500 --extra-libs=*)
2501 add_extralibs $optval
2502 ;;
2503 --disable-devices)
2504 disable $INDEV_LIST $OUTDEV_LIST
2505 ;;
2506 --enable-debug=*)
2507 debuglevel="$optval"
2508 ;;
2509 --disable-programs)
2510 disable $PROGRAM_LIST
2511 ;;
2512 --disable-everything)
2513 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2514 ;;
2515 --disable-all)
2516 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2517 disable $LIBRARY_LIST $PROGRAM_LIST doc
2518 ;;
2519 --enable-random|--disable-random)
2520 action=${opt%%-random}
2521 do_random ${action#--} $COMPONENT_LIST
2522 ;;
2523 --enable-random=*|--disable-random=*)
2524 action=${opt%%-random=*}
2525 do_random ${action#--} $optval
2526 ;;
2527 --enable-*=*|--disable-*=*)
2528 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2529 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2530 eval list=\$$(toupper $thing)_LIST
2531 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2532 $action $(filter "$name" $list)
2533 ;;
2534 --enable-avserver|--disable-avserver*)
2535 warn "avserver has been removed, the ${opt} option is only"\
2536 "provided for compatibility and will be removed in the future"
2537 ;;
2538 --enable-?*|--disable-?*)
2539 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2540 if is_in $option $COMPONENT_LIST; then
2541 test $action = disable && action=unset
2542 eval $action \$$(toupper ${option%s})_LIST
2543 elif is_in $option $CMDLINE_SELECT; then
2544 $action $option
2545 else
2546 die_unknown $opt
2547 fi
2548 ;;
2549 --list-*)
2550 NAME="${opt#--list-}"
2551 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2552 NAME=${NAME%s}
2553 eval show_list $NAME \$$(toupper $NAME)_LIST
2554 ;;
2555 --help|-h) show_help
2556 ;;
2557 *)
2558 optname="${opt%%=*}"
2559 optname="${optname#--}"
2560 optname=$(echo "$optname" | sed 's/-/_/g')
2561 if is_in $optname $CMDLINE_SET; then
2562 eval $optname='$optval'
2563 elif is_in $optname $CMDLINE_APPEND; then
2564 append $optname "$optval"
2565 else
2566 die_unknown $opt
2567 fi
2568 ;;
2569 esac
2570 done
2571
2572 for e in $env; do
2573 eval "export $e"
2574 done
2575
2576 disabled logging && logfile=/dev/null
2577
2578 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2579 set >> $logfile
2580
2581 case "$toolchain" in
2582 clang-asan)
2583 cc_default="clang"
2584 add_cflags -fsanitize=address
2585 add_ldflags -fsanitize=address
2586 ;;
2587 clang-tsan)
2588 cc_default="clang"
2589 add_cflags -fsanitize=thread -pie
2590 add_ldflags -fsanitize=thread -pie
2591 ;;
2592 clang-usan)
2593 cc_default="clang"
2594 add_cflags -fsanitize=undefined -O1
2595 add_ldflags -fsanitize=undefined
2596 ;;
2597 gcc-asan)
2598 cc_default="gcc"
2599 add_cflags -fsanitize=address
2600 add_ldflags -fsanitize=address
2601 ;;
2602 gcc-tsan)
2603 cc_default="gcc"
2604 add_cflags -fsanitize=thread -pie -fPIC
2605 add_ldflags -fsanitize=thread -pie -fPIC
2606 ;;
2607 gcc-usan)
2608 cc_default="gcc"
2609 add_cflags -fsanitize=undefined
2610 add_ldflags -fsanitize=undefined
2611 ;;
2612 valgrind-massif)
2613 target_exec_default="valgrind"
2614 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2615 ;;
2616 valgrind-memcheck)
2617 target_exec_default="valgrind"
2618 target_exec_args="--track-origins=yes --leak-check=full"
2619 ;;
2620 msvc)
2621 # Check whether the current MSVC version needs the C99 converter.
2622 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2623 # support enough of C99 to build libav. Default to the new
2624 # behaviour if the regexp was unable to match anything, since this
2625 # successfully parses the version number of existing supported
2626 # versions that require the converter (MSVC 2010 and 2012).
2627 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2628 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2629 cc_default="cl"
2630 else
2631 cc_default="c99wrap cl"
2632 fi
2633 ld_default="link"
2634 nm_default="dumpbin -symbols"
2635 ar_default="lib"
2636 target_os_default="win32"
2637 # Use a relative path for TMPDIR. This makes sure all the
2638 # ffconf temp files are written with a relative path, avoiding
2639 # issues with msys/win32 path conversion for MSVC parameters
2640 # such as -Fo<file> or -out:<file>.
2641 TMPDIR=.
2642 ;;
2643 icl)
2644 cc_default="icl"
2645 ld_default="xilink"
2646 nm_default="dumpbin -symbols"
2647 ar_default="xilib"
2648 target_os_default="win32"
2649 TMPDIR=.
2650 ;;
2651 gcov)
2652 add_cflags -fprofile-arcs -ftest-coverage
2653 add_ldflags -fprofile-arcs -ftest-coverage
2654 ;;
2655 hardened)
2656 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
2657 add_cflags -fno-strict-overflow -fstack-protector-all
2658 add_ldflags -Wl,-z,relro -Wl,-z,now
2659 ;;
2660 ?*)
2661 die "Unknown toolchain $toolchain"
2662 ;;
2663 esac
2664
2665 test -n "$cross_prefix" && enable cross_compile
2666
2667 if enabled cross_compile; then
2668 test -n "$arch" && test -n "$target_os" ||
2669 die "Must specify target arch and OS when cross-compiling"
2670 fi
2671
2672 ar_default="${cross_prefix}${ar_default}"
2673 cc_default="${cross_prefix}${cc_default}"
2674 nm_default="${cross_prefix}${nm_default}"
2675 pkg_config_default="${cross_prefix}${pkg_config_default}"
2676 ranlib="${cross_prefix}${ranlib}"
2677 strip="${cross_prefix}${strip}"
2678
2679 sysinclude_default="${sysroot}/usr/include"
2680
2681 set_default arch cc pkg_config sysinclude target_exec target_os
2682 enabled cross_compile || host_cc_default=$cc
2683 set_default host_cc
2684
2685 if ! $pkg_config --version >/dev/null 2>&1; then
2686 warn "$pkg_config not found, library detection may fail."
2687 pkg_config=false
2688 fi
2689
2690 exesuf() {
2691 case $1 in
2692 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2693 esac
2694 }
2695
2696 EXESUF=$(exesuf $target_os)
2697 HOSTEXESUF=$(exesuf $host_os)
2698
2699 # set temporary file name
2700 : ${TMPDIR:=$TEMPDIR}
2701 : ${TMPDIR:=$TMP}
2702 : ${TMPDIR:=/tmp}
2703
2704 if ! check_cmd mktemp -u XXXXXX; then
2705 # simple replacement for missing mktemp
2706 # NOT SAFE FOR GENERAL USE
2707 mktemp(){
2708 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2709 }
2710 fi
2711
2712 tmpfile(){
2713 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2714 (set -C; exec > $tmp) 2>/dev/null ||
2715 die "Unable to create temporary file in $TMPDIR."
2716 append TMPFILES $tmp
2717 eval $1=$tmp
2718 }
2719
2720 trap 'rm -f -- $TMPFILES' EXIT
2721
2722 tmpfile TMPASM .asm
2723 tmpfile TMPC .c
2724 tmpfile TMPE $EXESUF
2725 tmpfile TMPH .h
2726 tmpfile TMPO .o
2727 tmpfile TMPS .S
2728 tmpfile TMPSH .sh
2729 tmpfile TMPV .ver
2730
2731 unset -f mktemp
2732
2733 chmod +x $TMPE
2734
2735 # make sure we can execute files in $TMPDIR
2736 cat > $TMPSH 2>> $logfile <<EOF
2737 #! /bin/sh
2738 EOF
2739 chmod +x $TMPSH >> $logfile 2>&1
2740 if ! $TMPSH >> $logfile 2>&1; then
2741 cat <<EOF
2742 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2743 variable to another directory and make sure that it is not mounted noexec.
2744 EOF
2745 die "Sanity test failed."
2746 fi
2747
2748 armasm_flags(){
2749 for flag; do
2750 case $flag in
2751 # Filter out MSVC cl.exe options from cflags that shouldn't
2752 # be passed to gas-preprocessor
2753 -M[TD]*) ;;
2754 *) echo $flag ;;
2755 esac
2756 done
2757 }
2758
2759 ccc_flags(){
2760 for flag; do
2761 case $flag in
2762 -std=c99) echo -c99 ;;
2763 -mcpu=*) echo -arch ${flag#*=} ;;
2764 -mieee) echo -ieee ;;
2765 -O*|-fast) echo $flag ;;
2766 -fno-math-errno) echo -assume nomath_errno ;;
2767 -g) echo -g3 ;;
2768 -Wall) echo -msg_enable level2 ;;
2769 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2770 -Wl,*) echo $flag ;;
2771 -f*|-W*) ;;
2772 *) echo $flag ;;
2773 esac
2774 done
2775 }
2776
2777 cparser_flags(){
2778 for flag; do
2779 case $flag in
2780 -Wno-switch) echo -Wno-switch-enum ;;
2781 -Wno-format-zero-length) ;;
2782 -Wdisabled-optimization) ;;
2783 -Wno-pointer-sign) echo -Wno-other ;;
2784 *) echo $flag ;;
2785 esac
2786 done
2787 }
2788
2789 msvc_common_flags(){
2790 for flag; do
2791 case $flag in
2792 # In addition to specifying certain flags under the compiler
2793 # specific filters, they must be specified here as well or else the
2794 # generic catch all at the bottom will print the original flag.
2795 -Wall) ;;
2796 -std=c99) ;;
2797 # Common flags
2798 -fomit-frame-pointer) ;;
2799 -g) echo -Z7 ;;
2800 -fno-math-errno) ;;
2801 -fno-common) ;;
2802 -fno-signed-zeros) ;;
2803 -fPIC) ;;
2804 -mthumb) ;;
2805 -march=*) ;;
2806 -lz) echo zlib.lib ;;
2807 -lavifil32) echo vfw32.lib ;;
2808 -lavicap32) echo vfw32.lib user32.lib ;;
2809 -l*) echo ${flag#-l}.lib ;;
2810 -L*) echo -libpath:${flag#-L} ;;
2811 *) echo $flag ;;
2812 esac
2813 done
2814 }
2815
2816 msvc_flags(){
2817 msvc_common_flags "$@"
2818 for flag; do
2819 case $flag in
2820 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2821 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2822 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2823 -wd4273 -wd4554 -wd4701 ;;
2824 esac
2825 done
2826 }
2827
2828 icl_flags(){
2829 msvc_common_flags "$@"
2830 for flag; do
2831 case $flag in
2832 # Despite what Intel's documentation says -Wall, which is supported
2833 # on Windows, does enable remarks so disable them here.
2834 -Wall) echo $flag -Qdiag-disable:remark ;;
2835 -std=c99) echo -Qstd=c99 ;;
2836 esac
2837 done
2838 }
2839
2840 pgi_flags(){
2841 for flag; do
2842 case $flag in
2843 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2844 -fomit-frame-pointer) echo -Mnoframe ;;
2845 -g) echo -gopt ;;
2846 *) echo $flag ;;
2847 esac
2848 done
2849 }
2850
2851 suncc_flags(){
2852 for flag; do
2853 case $flag in
2854 -march=*|-mcpu=*)
2855 case "${flag#*=}" in
2856 native) echo -xtarget=native ;;
2857 v9|niagara) echo -xarch=sparc ;;
2858 ultrasparc) echo -xarch=sparcvis ;;
2859 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2860 i586|pentium) echo -xchip=pentium ;;
2861 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2862 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2863 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2864 pentium4*) echo -xtarget=pentium4 ;;
2865 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2866 *-sse3) echo -xarch=sse3 ;;
2867 core2) echo -xarch=ssse3 -xchip=core2 ;;
2868 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2869 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2870 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
2871 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2872 k8|opteron|athlon64|athlon-fx)
2873 echo -xarch=sse2a ;;
2874 athlon*) echo -xarch=pentium_proa ;;
2875 esac
2876 ;;
2877 -std=c99) echo -xc99 ;;
2878 -fomit-frame-pointer) echo -xregs=frameptr ;;
2879 -fPIC) echo -KPIC -xcode=pic32 ;;
2880 -W*,*) echo $flag ;;
2881 -f*-*|-W*|-mimpure-text) ;;
2882 -shared) echo -G ;;
2883 *) echo $flag ;;
2884 esac
2885 done
2886 }
2887
2888 tms470_flags(){
2889 for flag; do
2890 case $flag in
2891 -march=*|-mcpu=*)
2892 case "${flag#*=}" in
2893 armv7-a|cortex-a*) echo -mv=7a8 ;;
2894 armv7-r|cortex-r*) echo -mv=7r4 ;;
2895 armv7-m|cortex-m*) echo -mv=7m3 ;;
2896 armv6*|arm11*) echo -mv=6 ;;
2897 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2898 echo -mv=5e ;;
2899 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2900 esac
2901 ;;
2902 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2903 -mfpu=vfp) echo --float_support=vfpv2 ;;
2904 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2905 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
2906 -msoft-float) echo --float_support=vfplib ;;
2907 -O[0-3]|-mf=*) echo $flag ;;
2908 -g) echo -g -mn ;;
2909 -pds=*) echo $flag ;;
2910 -D*|-I*) echo $flag ;;
2911 --gcc|--abi=*) echo $flag ;;
2912 -me) echo $flag ;;
2913 esac
2914 done
2915 }
2916
2917 probe_cc(){
2918 pfx=$1
2919 _cc=$2
2920
2921 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2922 unset _ld_o _ldflags _ld_lib _ld_path
2923 unset _depflags _DEPCMD _DEPFLAGS
2924 _flags_filter=echo
2925
2926 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2927 _type=llvm_gcc
2928 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2929 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2930 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2931 _cflags_speed='-O3'
2932 _cflags_size='-Os'
2933 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2934 _type=gcc
2935 gcc_version=$($_cc --version | head -n1)
2936 gcc_basever=$($_cc -dumpversion)
2937 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2938 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2939 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2940 if ! $_cc -dumpversion | grep -q '^2\.'; then
2941 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2942 fi
2943 _cflags_speed='-O3'
2944 _cflags_size='-Os'
2945 elif $_cc --version 2>/dev/null | grep -q ^icc; then
2946 _type=icc
2947 _ident=$($_cc --version | head -n1)
2948 _depflags='-MMD'
2949 _cflags_speed='-O3'
2950 _cflags_size='-Os'
2951 _cflags_noopt='-O1'
2952 elif $_cc -v 2>&1 | grep -q xlc; then
2953 _type=xlc
2954 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2955 _cflags_speed='-O5'
2956 _cflags_size='-O5 -qcompact'
2957 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2958 _type=ccc
2959 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2960 _DEPFLAGS='-M'
2961 _cflags_speed='-fast'
2962 _cflags_size='-O1'
2963 _flags_filter=ccc_flags
2964 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
2965 test -d "$sysroot" || die "No valid sysroot specified."
2966 _type=armcc
2967 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
2968 armcc_conf="$PWD/armcc.conf"
2969 $_cc --arm_linux_configure \
2970 --arm_linux_config_file="$armcc_conf" \
2971 --configure_sysroot="$sysroot" \
2972 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2973 die "Error creating armcc configuration file."
2974 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2975 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2976 as_default="${cross_prefix}gcc"
2977 _depflags='-MMD'
2978 _cflags_speed='-O3'
2979 _cflags_size='-Os'
2980 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2981 _type=tms470
2982 _ident=$($_cc -version | head -n1 | tr -s ' ')
2983 _flags='--gcc --abi=eabi -me'
2984 _cc_e='-ppl -fe=$@'
2985 _cc_o='-fe=$@'
2986 _depflags='-ppa -ppd=$(@:.o=.d)'
2987 _cflags_speed='-O3 -mf=5'
2988 _cflags_size='-O3 -mf=2'
2989 _flags_filter=tms470_flags
2990 elif $_cc -v 2>&1 | grep -q clang; then
2991 _type=clang
2992 _ident=$($_cc --version | head -n1)
2993 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2994 _cflags_speed='-O3'
2995 _cflags_size='-Os'
2996 elif $_cc -V 2>&1 | grep -q Sun; then
2997 _type=suncc
2998 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2999 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3000 _DEPFLAGS='-xM1 -xc99'
3001 _ldflags='-std=c99'
3002 _cflags_speed='-O5'
3003 _cflags_size='-O5 -xspace'
3004 _flags_filter=suncc_flags
3005 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3006 _type=pathscale
3007 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3008 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3009 _cflags_speed='-O2'
3010 _cflags_size='-Os'
3011 _flags_filter='filter_out -Wdisabled-optimization'
3012 elif $_cc -v 2>&1 | grep -q Open64; then
3013 _type=open64
3014 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3015 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3016 _cflags_speed='-O2'
3017 _cflags_size='-Os'
3018 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3019 elif $_cc -V 2>&1 | grep -q Portland; then
3020 _type=pgi
3021 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3022 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3023 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3024 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3025 _cflags_noopt="-O1"
3026 _flags_filter=pgi_flags
3027 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3028 _type=armasm
3029 _ident=$($_cc | head -n1)
3030 # 4509: "This form of conditional instruction is deprecated"
3031 _flags="-nologo -ignore 4509"
3032 _flags_filter=armasm_flags
3033 elif $_cc 2>&1 | grep -q Microsoft; then
3034 _type=msvc
3035 _ident=$($_cc 2>&1 | head -n1)
3036 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3037 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3038 _cflags_speed="-O2"
3039 _cflags_size="-O1"
3040 if $_cc 2>&1 | grep -q Linker; then
3041 _ld_o='-out:$@'
3042 else
3043 _ld_o='-Fe$@'
3044 fi
3045 _cc_o='-Fo$@'
3046 _cc_e='-P -Fi$@'
3047 _flags_filter=msvc_flags
3048 _ld_lib='lib%.a'
3049 _ld_path='-libpath:'
3050 _flags='-nologo'
3051 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3052 elif $_cc 2>&1 | grep -q Intel; then
3053 _type=icl
3054 _ident=$($_cc 2>&1 | head -n1)
3055 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3056 # Not only is O3 broken on 13.x+ but it is slower on all previous
3057 # versions (tested) as well.
3058 _cflags_speed="-O2"
3059 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3060 if $_cc 2>&1 | grep -q Linker; then
3061 _ld_o='-out:$@'
3062 else
3063 _ld_o='-Fe$@'
3064 fi
3065 _cc_o='-Fo$@'
3066 _cc_e='-P'
3067 _flags_filter=icl_flags
3068 _ld_lib='lib%.a'
3069 _ld_path='-libpath:'
3070 # -Qdiag-error to make icl error when seeing certain unknown arguments
3071 _flags='-nologo -Qdiag-error:4044,10157'
3072 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3073 # with MSVC which enables it by default.
3074 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
3075 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3076 _type=cparser
3077 _ident=$($_cc --version | head -n1)
3078 _depflags='-MMD'
3079 _cflags_speed='-O4'
3080 _cflags_size='-O2'
3081 _flags_filter=cparser_flags
3082 fi
3083
3084 eval ${pfx}_type=\$_type
3085 eval ${pfx}_ident=\$_ident
3086 }
3087
3088 set_ccvars(){
3089 eval ${1}_C=\${_cc_c-\${${1}_C}}
3090 eval ${1}_E=\${_cc_e-\${${1}_E}}
3091 eval ${1}_O=\${_cc_o-\${${1}_O}}
3092
3093 if [ -n "$_depflags" ]; then
3094 eval ${1}_DEPFLAGS=\$_depflags
3095 else
3096 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3097 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3098 eval DEP${1}FLAGS=\$_flags
3099 fi
3100 }
3101
3102 probe_cc cc "$cc"
3103 cflags_filter=$_flags_filter
3104 cflags_speed=$_cflags_speed
3105 cflags_size=$_cflags_size
3106 cflags_noopt=$_cflags_noopt
3107 add_cflags $_flags $_cflags
3108 cc_ldflags=$_ldflags
3109 set_ccvars CC
3110
3111 probe_cc hostcc "$host_cc"
3112 host_cflags_filter=$_flags_filter
3113 add_host_cflags $_flags $_cflags
3114 set_ccvars HOSTCC
3115
3116 test -n "$cc_type" && enable $cc_type ||
3117 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3118
3119 : ${as_default:=$cc}
3120 : ${dep_cc_default:=$cc}
3121 : ${ld_default:=$cc}
3122 : ${host_ld_default:=$host_cc}
3123 set_default ar as dep_cc ld host_ld
3124
3125 probe_cc as "$as"
3126 asflags_filter=$_flags_filter
3127 add_asflags $_flags $_cflags
3128 set_ccvars AS
3129
3130 probe_cc ld "$ld"
3131 ldflags_filter=$_flags_filter
3132 add_ldflags $_flags $_ldflags
3133 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3134 LD_O=${_ld_o-$LD_O}
3135 LD_LIB=${_ld_lib-$LD_LIB}
3136 LD_PATH=${_ld_path-$LD_PATH}
3137
3138 probe_cc hostld "$host_ld"
3139 host_ldflags_filter=$_flags_filter
3140 add_host_ldflags $_flags $_ldflags
3141 HOSTLD_O=${_ld_o-$HOSTLD_O}
3142
3143 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3144 probe_cc depcc "$dep_cc"
3145 CCDEP=${_DEPCMD:-$DEPCMD}
3146 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3147 DEPCCFLAGS=$_flags
3148 fi
3149
3150 if $ar 2>&1 | grep -q Microsoft; then
3151 arflags="-nologo"
3152 ar_o='-out:$@'
3153 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3154 arflags="rq"
3155 ar_o='$@'
3156 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3157 arflags='-Xany -r -c'
3158 ar_o='$@'
3159 else
3160 arflags="rc"
3161 ar_o='$@'
3162 fi
3163
3164 add_cflags $extra_cflags
3165 add_asflags $extra_cflags
3166
3167 if test -n "$sysroot"; then
3168 case "$cc_type" in
3169 gcc|llvm_gcc|clang)
3170 add_cppflags --sysroot="$sysroot"
3171 add_ldflags --sysroot="$sysroot"
3172 ;;
3173 tms470)
3174 add_cppflags -I"$sysinclude"
3175 add_ldflags --sysroot="$sysroot"
3176 ;;
3177 esac
3178 fi
3179
3180 if test "$cpu" = host; then
3181 enabled cross_compile &&
3182 die "--cpu=host makes no sense when cross-compiling."
3183
3184 case "$cc_type" in
3185 gcc|llvm_gcc)
3186 check_native(){
3187 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3188 sed -n "/cc1.*$1=/{
3189 s/.*$1=\\([^ ]*\\).*/\\1/
3190 p
3191 q
3192 }" $TMPE
3193 }
3194 cpu=$(check_native -march || check_native -mcpu)
3195 ;;
3196 esac
3197
3198 test "${cpu:-host}" = host &&
3199 die "--cpu=host not supported with compiler $cc"
3200 fi
3201
3202 # Deal with common $arch aliases
3203 case "$arch" in
3204 aarch64|arm64)
3205 arch="aarch64"
3206 ;;
3207 arm*)
3208 arch="arm"
3209 ;;
3210 mips*|IP*)
3211 arch="mips"
3212 ;;
3213 parisc*|hppa*)
3214 arch="parisc"
3215 ;;
3216 "Power Macintosh"|ppc*|powerpc*)
3217 arch="ppc"
3218 ;;
3219 s390|s390x)
3220 arch="s390"
3221 ;;
3222 sh4|sh)
3223 arch="sh4"
3224 ;;
3225 sun4u|sparc*)
3226 arch="sparc"
3227 ;;
3228 tilegx|tile-gx)
3229 arch="tilegx"
3230 ;;
3231 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3232 arch="x86"
3233 ;;
3234 esac
3235
3236 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3237 enable $arch
3238
3239 # Add processor-specific flags
3240 if enabled aarch64; then
3241
3242 case $cpu in
3243 armv*)
3244 cpuflags="-march=$cpu"
3245 ;;
3246 *)
3247 cpuflags="-mcpu=$cpu"
3248 ;;
3249 esac
3250
3251 elif enabled alpha; then
3252
3253 cpuflags="-mcpu=$cpu"
3254
3255 elif enabled arm; then
3256
3257 check_arm_arch() {
3258 check_cpp_condition stddef.h \
3259 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3260 $cpuflags
3261 }
3262
3263 probe_arm_arch() {
3264 if check_arm_arch 4; then echo armv4;
3265 elif check_arm_arch 4T; then echo armv4t;
3266 elif check_arm_arch 5; then echo armv5;
3267 elif check_arm_arch 5E; then echo armv5e;
3268 elif check_arm_arch 5T; then echo armv5t;
3269 elif check_arm_arch 5TE; then echo armv5te;
3270 elif check_arm_arch 5TEJ; then echo armv5te;
3271 elif check_arm_arch 6; then echo armv6;
3272 elif check_arm_arch 6J; then echo armv6j;
3273 elif check_arm_arch 6K; then echo armv6k;
3274 elif check_arm_arch 6Z; then echo armv6z;
3275 elif check_arm_arch 6ZK; then echo armv6zk;
3276 elif check_arm_arch 6T2; then echo armv6t2;
3277 elif check_arm_arch 7; then echo armv7;
3278 elif check_arm_arch 7A 7_A; then echo armv7-a;
3279 elif check_arm_arch 7S; then echo armv7-a;
3280 elif check_arm_arch 7R 7_R; then echo armv7-r;
3281 elif check_arm_arch 7M 7_M; then echo armv7-m;
3282 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3283 elif check_arm_arch 8A 8_A; then echo armv8-a;
3284 fi
3285 }
3286
3287 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3288
3289 case $cpu in
3290 armv*)
3291 cpuflags="-march=$cpu"
3292 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3293 ;;
3294 *)
3295 cpuflags="-mcpu=$cpu"
3296 case $cpu in
3297 cortex-a*) subarch=armv7a ;;
3298 cortex-r*) subarch=armv7r ;;
3299 cortex-m*) enable thumb; subarch=armv7m ;;
3300 arm11*) subarch=armv6 ;;
3301 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3302 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3303 *) subarch=$(probe_arm_arch) ;;
3304 esac
3305 ;;
3306 esac
3307
3308 case "$subarch" in
3309 armv5t*) enable fast_clz ;;
3310 armv[6-8]*) enable fast_clz fast_unaligned ;;
3311 esac
3312
3313 elif enabled avr32; then
3314
3315 case $cpu in
3316 ap7[02]0[0-2])
3317 subarch="avr32_ap"
3318 cpuflags="-mpart=$cpu"
3319 ;;
3320 ap)
3321 subarch="avr32_ap"
3322 cpuflags="-march=$cpu"
3323 ;;
3324 uc3[ab]*)
3325 subarch="avr32_uc"
3326 cpuflags="-mcpu=$cpu"
3327 ;;
3328 uc)
3329 subarch="avr32_uc"
3330 cpuflags="-march=$cpu"
3331 ;;
3332 esac
3333
3334 elif enabled bfin; then
3335
3336 cpuflags="-mcpu=$cpu"
3337
3338 elif enabled mips; then
3339
3340 cpuflags="-march=$cpu"
3341
3342 elif enabled ppc; then
3343
3344 disable ldbrx
3345
3346 case $(tolower $cpu) in
3347 601|ppc601|powerpc601)
3348 cpuflags="-mcpu=601"
3349 disable altivec
3350 ;;
3351 603*|ppc603*|powerpc603*)
3352 cpuflags="-mcpu=603"
3353 disable altivec
3354 ;;
3355 604*|ppc604*|powerpc604*)
3356 cpuflags="-mcpu=604"
3357 disable altivec
3358 ;;
3359 g3|75*|ppc75*|powerpc75*)
3360 cpuflags="-mcpu=750"
3361 disable altivec
3362 ;;
3363 g4|745*|ppc745*|powerpc745*)
3364 cpuflags="-mcpu=7450"
3365 disable vsx
3366 ;;
3367 74*|ppc74*|powerpc74*)
3368 cpuflags="-mcpu=7400"
3369 disable vsx
3370 ;;
3371 g5|970|ppc970|powerpc970)
3372 cpuflags="-mcpu=970"
3373 disable vsx
3374 ;;
3375 power[3-6]*)
3376 cpuflags="-mcpu=$cpu"
3377 disable vsx
3378 ;;
3379 power[7-8]*)
3380 cpuflags="-mcpu=$cpu"
3381 enable ldbrx
3382 ;;
3383 cell)
3384 cpuflags="-mcpu=cell"
3385 enable ldbrx
3386 disable vsx
3387 ;;
3388 e500mc)
3389 cpuflags="-mcpu=e500mc"
3390 disable altivec
3391 ;;
3392 e500v2)
3393 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3394 disable altivec
3395 disable dcbzl
3396 ;;
3397 e500)
3398 cpuflags="-mcpu=8540 -mhard-float"
3399 disable altivec
3400 disable dcbzl
3401 ;;
3402 esac
3403
3404 elif enabled sparc; then
3405
3406 case $cpu in
3407 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3408 cpuflags="-mcpu=$cpu"
3409 ;;
3410 ultrasparc*|niagara[234])
3411 cpuflags="-mcpu=$cpu"
3412 ;;
3413 esac
3414
3415 elif enabled x86; then
3416
3417 case $cpu in
3418 i[345]86|pentium)
3419 cpuflags="-march=$cpu"
3420 disable i686
3421 disable mmx
3422 ;;
3423 # targets that do NOT support nopl and conditional mov (cmov)
3424 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3425 cpuflags="-march=$cpu"
3426 disable i686
3427 ;;
3428 # targets that do support nopl and conditional mov (cmov)
3429 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3430 cpuflags="-march=$cpu"
3431 enable i686
3432 enable fast_cmov
3433 ;;
3434 # targets that do support conditional mov but on which it's slow
3435 pentium4|pentium4m|prescott|nocona)
3436 cpuflags="-march=$cpu"
3437 enable i686
3438 disable fast_cmov
3439 ;;
3440 esac
3441
3442 fi
3443
3444 if [ "$cpu" != generic ]; then
3445 add_cflags $cpuflags
3446 add_asflags $cpuflags
3447 fi
3448
3449 # compiler sanity check
3450 check_exec <<EOF
3451 int main(void){ return 0; }
3452 EOF
3453 if test "$?" != 0; then
3454 echo "$cc is unable to create an executable file."
3455 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3456 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3457 echo "Only do this if you know what cross compiling means."
3458 fi
3459 die "C compiler test failed."
3460 fi
3461
3462 add_cppflags -D_ISOC99_SOURCE
3463 check_cflags -std=c99
3464 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3465 #include <stdlib.h>
3466 EOF
3467 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3468 #include <stdlib.h>
3469 EOF
3470
3471 add_host_cppflags -D_ISOC99_SOURCE
3472 check_host_cflags -std=c99
3473 check_host_cflags -Wall
3474 check_host_cflags -O3
3475
3476 check_64bit(){
3477 arch32=$1
3478 arch64=$2
3479 expr=$3
3480 check_code cc "" "int test[2*($expr) - 1]" &&
3481 subarch=$arch64 || subarch=$arch32
3482 }
3483
3484 case "$arch" in
3485 aarch64|alpha|ia64)
3486 spic=$shared
3487 ;;
3488 mips)
3489 check_64bit mips mips64 '_MIPS_SIM > 1'
3490 spic=$shared
3491 ;;
3492 parisc)
3493 check_64bit parisc parisc64 'sizeof(void *) > 4'
3494 spic=$shared
3495 ;;
3496 ppc)
3497 check_64bit ppc ppc64 'sizeof(void *) > 4'
3498 spic=$shared
3499 ;;
3500 s390)
3501 check_64bit s390 s390x 'sizeof(void *) > 4'
3502 spic=$shared
3503 ;;
3504 sparc)
3505 check_64bit sparc sparc64 'sizeof(void *) > 4'
3506 spic=$shared
3507 ;;
3508 x86)
3509 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3510 if test "$subarch" = "x86_64"; then
3511 spic=$shared
3512 fi
3513 ;;
3514 esac
3515
3516 enable $subarch
3517 enabled spic && enable_weak pic
3518
3519 # OS specific
3520 case $target_os in
3521 aix)
3522 SHFLAGS=-shared
3523 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3524 enabled shared && add_ldflags -Wl,-brtl
3525 ;;
3526 android)
3527 disable symver
3528 enable section_data_rel_ro
3529 SLIB_INSTALL_NAME='$(SLIBNAME)'
3530 SLIB_INSTALL_LINKS=
3531 # soname not set on purpose
3532 SHFLAGS=-shared
3533 ;;
3534 haiku)
3535 prefix_default="/boot/common"
3536 network_extralibs="-lnetwork"
3537 host_libs=
3538 ;;
3539 sunos)
3540 SHFLAGS='-shared -Wl,-h,$$(@F)'
3541 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3542 network_extralibs="-lsocket -lnsl"
3543 # When using suncc to build, the Solaris linker will mark
3544 # an executable with each instruction set encountered by
3545 # the Solaris assembler. As our libraries contain their own
3546 # guards for processor-specific code, instead suppress
3547 # generation of the HWCAPS ELF section on Solaris x86 only.
3548 enabled_all suncc x86 &&
3549 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3550 add_ldflags -Wl,-M,mapfile
3551 nm_default='nm -P -g'
3552 ;;
3553 netbsd)
3554 disable symver
3555 oss_indev_extralibs="-lossaudio"
3556 oss_outdev_extralibs="-lossaudio"
3557 ;;
3558 openbsd|bitrig)
3559 disable symver
3560 SHFLAGS='-shared'
3561 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3562 SLIB_INSTALL_LINKS=
3563 oss_indev_extralibs="-lossaudio"
3564 oss_outdev_extralibs="-lossaudio"
3565 ;;
3566 dragonfly)
3567 disable symver
3568 ;;
3569 freebsd)
3570 ;;
3571 bsd/os)
3572 add_extralibs -lpoll -lgnugetopt
3573 ;;
3574 darwin)
3575 enabled ppc && add_asflags -force_cpusubtype_ALL
3576 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3577 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3578 add_ldflags -Wl,-dynamic,-search_paths_first
3579 SLIBSUF=".dylib"
3580 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3581 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3582 objformat="macho"
3583 enabled x86_64 && objformat="macho64"
3584 enabled_any pic shared ||
3585 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3586 ;;
3587 mingw32*)
3588 if test $target_os = "mingw32ce"; then
3589 disable network
3590 else
3591 target_os=mingw32
3592 fi
3593 LIBTARGET=i386
3594 if enabled x86_64; then
3595 LIBTARGET="i386:x86-64"
3596 elif enabled arm; then
3597 LIBTARGET=arm-wince
3598 fi
3599 check_ldflags -Wl,--nxcompat
3600 check_ldflags -Wl,--dynamicbase
3601 shlibdir_default="$bindir_default"
3602 SLIBPREF=""
3603 SLIBSUF=".dll"
3604 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3605 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3606 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3607 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3608 SLIB_INSTALL_LINKS=
3609 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3610 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3611 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3612 objformat="win32"
3613 dlltool="${cross_prefix}dlltool"
3614 ranlib=:
3615 enable dos_paths
3616 ;;
3617 win32|win64)
3618 disable symver
3619 if enabled shared; then
3620 # Link to the import library instead of the normal static library
3621 # for shared libs.
3622 LD_LIB='%.lib'
3623 # Cannot build both shared and static libs with MSVC or icl.
3624 disable static
3625 fi
3626 shlibdir_default="$bindir_default"
3627 SLIBPREF=""
3628 SLIBSUF=".dll"
3629 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3630 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3631 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3632 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3633 SLIB_INSTALL_LINKS=
3634 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3635 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3636 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3637 objformat="win32"
3638 ranlib=:
3639 enable dos_paths
3640 ;;
3641 cygwin*)
3642 target_os=cygwin
3643 shlibdir_default="$bindir_default"
3644 SLIBPREF="cyg"
3645 SLIBSUF=".dll"
3646 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3647 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3648 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3649 SLIB_INSTALL_LINKS=
3650 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3651 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3652 objformat="win32"
3653 enable dos_paths
3654 ;;
3655 *-dos|freedos|opendos)
3656 network_extralibs="-lsocket"
3657 objformat="coff"
3658 enable dos_paths
3659 add_cppflags -U__STRICT_ANSI__
3660 ;;
3661 linux)
3662 enable dv1394
3663 enable section_data_rel_ro
3664 ;;
3665 irix*)
3666 target_os=irix
3667 ranlib="echo ignoring ranlib"
3668 ;;
3669 os/2*)
3670 ln_s="cp -f"
3671 objformat="aout"
3672 add_cppflags -D_GNU_SOURCE
3673 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3674 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3675 LIBSUF="_s.a"
3676 SLIBPREF=""
3677 SLIBSUF=".dll"
3678 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3679 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3680 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3681 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3682 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3683 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3684 emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'
3685 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3686 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3687 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3688 enable dos_paths
3689 ;;
3690 gnu/kfreebsd)
3691 add_cppflags -D_BSD_SOURCE
3692 ;;
3693 gnu)
3694 ;;
3695 qnx)
3696 add_cppflags -D_QNX_SOURCE
3697 network_extralibs="-lsocket"
3698 ;;
3699 symbian)
3700 SLIBSUF=".dll"
3701 enable dos_paths
3702 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3703 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3704 add_ldflags -Wl,--target1-abs,--no-undefined \
3705 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3706 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3707 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3708 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3709 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3710 ;;
3711 osf1)
3712 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3713 ;;
3714 minix)
3715 ;;
3716 plan9)
3717 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3718 -D_REENTRANT_SOURCE \
3719 -D_RESEARCH_SOURCE \
3720 -DFD_SETSIZE=96 \
3721 -DHAVE_SOCK_OPTS
3722 add_compat strtod.o strtod=avpriv_strtod
3723 network_extralibs='-lbsd'
3724 exeobjs=compat/plan9/main.o
3725 cp_f='cp'
3726 ;;
3727 none)
3728 ;;
3729 *)
3730 die "Unknown OS '$target_os'."
3731 ;;
3732 esac
3733
3734 # determine libc flavour
3735
3736 probe_libc(){
3737 pfx=$1
3738 pfx_no_=${pfx%_}
3739 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3740 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
3741 eval ${pfx}libc_type=uclibc
3742 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3743 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
3744 eval ${pfx}libc_type=glibc
3745 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3746 # MinGW headers can be installed on Cygwin, so check for newlib first.
3747 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3748 eval ${pfx}libc_type=newlib
3749 add_${pfx}cppflags -U__STRICT_ANSI__
3750 # MinGW64 is backwards compatible with MinGW32, so check for it first.
3751 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
3752 eval ${pfx}libc_type=mingw64
3753 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3754 eval test \$${pfx_no_}cc_type = "gcc" &&
3755 add_${pfx}cppflags -D__printf__=__gnu_printf__
3756 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
3757 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
3758 eval ${pfx}libc_type=mingw32
3759 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
3760 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3761 die "ERROR: MinGW32 runtime version must be >= 3.15."
3762 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3763 eval test \$${pfx_no_}cc_type = "gcc" &&
3764 add_${pfx}cppflags -D__printf__=__gnu_printf__
3765 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
3766 eval ${pfx}libc_type=msvcrt
3767 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
3768 if [ "$pfx" = host_ ]; then
3769 add_host_cppflags -Dsnprintf=_snprintf
3770 else
3771 add_compat strtod.o strtod=avpriv_strtod
3772 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3773 _snprintf=avpriv_snprintf \
3774 vsnprintf=avpriv_vsnprintf
3775 fi
3776 fi
3777 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3778 # 0x601 by default unless something else is set by the user.
3779 # This can easily lead to us detecting functions only present
3780 # in such new versions and producing binaries requiring windows 7.0.
3781 # Therefore explicitly set the default to XP unless the user has
3782 # set something else on the command line.
3783 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
3784 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
3785 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
3786 eval ${pfx}libc_type=klibc
3787 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3788 eval ${pfx}libc_type=bionic
3789 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
3790 eval ${pfx}libc_type=solaris
3791 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3792 else
3793 eval ${pfx}libc_type=default
3794 add_${pfx}cppflags -D_DEFAULT_SOURCE
3795 fi
3796 }
3797
3798 probe_libc
3799 test -n "$libc_type" && enable libc_$libc_type
3800 probe_libc host_
3801 test -n "$host_libc_type" && enable host_libc_$host_libc_type
3802
3803 case $libc_type in
3804 bionic)
3805 add_compat strtod.o strtod=avpriv_strtod
3806 ;;
3807 esac
3808
3809 # hacks for compiler/libc/os combinations
3810
3811 if enabled_all tms470 libc_glibc; then
3812 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3813 add_cppflags -D__USER_LABEL_PREFIX__=
3814 add_cppflags -D__builtin_memset=memset
3815 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3816 add_cflags -pds=48 # incompatible redefinition of macro
3817 fi
3818
3819 if enabled_all ccc libc_glibc; then
3820 add_ldflags -Wl,-z,now # calls to libots crash without this
3821 fi
3822
3823 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
3824 add_cppflags '-I\$(SRC_PATH)/compat/float'
3825
3826 esc(){
3827 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3828 }
3829
3830 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
3831
3832 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
3833
3834 set_default $PATHS_LIST
3835 set_default nm
3836
3837 # we need to build at least one lib type
3838 if ! enabled_any static shared; then
3839 cat <<EOF
3840 At least one library type must be built.
3841 Specify --enable-static to build the static libraries or --enable-shared to
3842 build the shared libraries as well. To only build the shared libraries specify
3843 --disable-static in addition to --enable-shared.
3844 EOF
3845 exit 1;
3846 fi
3847
3848 die_license_disabled() {
3849 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3850 }
3851
3852 die_license_disabled gpl libcdio
3853 die_license_disabled gpl libx264
3854 die_license_disabled gpl libx265
3855 die_license_disabled gpl libxavs
3856 die_license_disabled gpl libxvid
3857 die_license_disabled gpl x11grab
3858
3859 die_license_disabled nonfree libfaac
3860 die_license_disabled nonfree libfdk_aac
3861 die_license_disabled nonfree nvenc
3862 die_license_disabled nonfree openssl
3863
3864 die_license_disabled version3 libopencore_amrnb
3865 die_license_disabled version3 libopencore_amrwb
3866 die_license_disabled version3 libvo_aacenc
3867 die_license_disabled version3 libvo_amrwbenc
3868
3869 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3870
3871 disabled optimizations || check_cflags -fomit-frame-pointer
3872
3873 enable_weak_pic() {
3874 disabled pic && return
3875 enable pic
3876 add_cppflags -DPIC
3877 case "$target_os" in
3878 mingw*|cygwin*)
3879 ;;
3880 *)
3881 add_cflags -fPIC
3882 ;;
3883 esac
3884 add_asflags -fPIC
3885 }
3886
3887 enabled pic && enable_weak_pic
3888
3889 check_cc <<EOF || die "Symbol mangling check failed."
3890 int ff_extern;
3891 EOF
3892 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3893 extern_prefix=${sym%%ff_extern*}
3894
3895 check_cc <<EOF && enable_weak inline_asm
3896 void foo(void) { __asm__ volatile ("" ::); }
3897 EOF
3898
3899 _restrict=
3900 for restrict_keyword in restrict __restrict__ __restrict; do
3901 check_cc <<EOF && _restrict=$restrict_keyword && break
3902 void foo(char * $restrict_keyword p);
3903 EOF
3904 done
3905
3906 check_cc <<EOF && enable pragma_deprecated
3907 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
3908 EOF
3909
3910 check_cc <<EOF && enable attribute_packed
3911 struct { int x; } __attribute__((packed)) x;
3912 EOF
3913
3914 check_cc <<EOF && enable attribute_may_alias
3915 union { int x; } __attribute__((may_alias)) x;
3916 EOF
3917
3918 check_cc <<EOF || die "endian test failed"
3919 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3920 EOF
3921 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3922
3923 check_gas() {
3924 log "check_gas using '$as' as AS"
3925 # :vararg is used on aarch64, arm and ppc altivec
3926 check_as <<EOF || return 1
3927 .macro m n, y:vararg=0
3928 \n: .int \y
3929 .endm
3930 m x
3931 EOF
3932 # .altmacro is only used in arm asm
3933 ! enabled arm || check_as <<EOF || return 1
3934 .altmacro
3935 EOF
3936 enable gnu_as
3937 return 0
3938 }
3939
3940 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
3941 nogas=:
3942 enabled_any arm aarch64 && nogas=die
3943 enabled_all ppc altivec && nogas=warn
3944 as_noop=-v
3945
3946 case $as_type in
3947 arm*) gaspp_as_type=armasm; as_noop=-h ;;
3948 gcc) gaspp_as_type=gas ;;
3949 *) gaspp_as_type=$as_type ;;
3950 esac
3951
3952 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
3953
3954 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- $as $as_noop &&
3955 gas="gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- $as"
3956
3957 if ! check_gas ; then
3958 as=${gas:=$as}
3959 check_gas || \
3960 $nogas "GNU assembler not found, install/update gas-preprocessor"
3961 fi
3962
3963 check_as <<EOF && enable as_func
3964 .func test
3965 .endfunc
3966 EOF
3967 fi
3968
3969 check_inline_asm inline_asm_labels '"1:\n"'
3970
3971 if enabled aarch64; then
3972 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
3973 # internal assembler in clang 3.3 does not support this instruction
3974 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
3975 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
3976
3977 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
3978
3979 elif enabled alpha; then
3980
3981 check_cflags -mieee
3982
3983 elif enabled arm; then
3984
3985 check_cpp_condition stddef.h "defined __thumb__" && enable_weak thumb
3986 enabled thumb && check_cflags -mthumb || check_cflags -marm
3987
3988 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3989 enable vfp_args
3990 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3991 case "${cross_prefix:-$cc}" in
3992 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3993 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3994 __asm__ (".eabi_attribute 28, 1");
3995 int main(void) { return 0; }
3996 EOF
3997 esac
3998 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3999 fi
4000
4001 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4002 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4003 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4004 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4005 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4006 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4007
4008 [ $target_os = linux ] || [ $target_os = android ] ||
4009 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4010 $ARCH_EXT_LIST_ARM
4011
4012 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4013
4014 check_as <<EOF && enable as_dn_directive
4015 ra .dn d0.i16
4016 .unreq ra
4017 EOF
4018
4019 # llvm's integrated assembler supports .object_arch from llvm 3.5
4020 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
4021 .object_arch armv4
4022 EOF
4023
4024 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4025
4026 elif enabled mips; then
4027
4028 check_inline_asm loongson '"dmult.g $1, $2, $3"'
4029
4030 elif enabled parisc; then
4031
4032 if enabled gcc; then
4033 case $($cc -dumpversion) in
4034 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
4035 esac
4036 fi
4037
4038 elif enabled ppc; then
4039
4040 enable local_aligned_8 local_aligned_16
4041
4042 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4043 check_inline_asm ibm_asm '"add 0, 0, 0"'
4044 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4045 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4046
4047 # AltiVec flags: The FSF version of GCC differs from the Apple version
4048 if enabled altivec; then
4049 check_cflags -maltivec -mabi=altivec &&
4050 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4051 check_cflags -faltivec
4052
4053 # check if our compiler supports Motorola AltiVec C API
4054 check_cc <<EOF || disable altivec
4055 $inc_altivec_h
4056 int main(void) {
4057 vector signed int v1 = (vector signed int) { 0 };
4058 vector signed int v2 = (vector signed int) { 1 };
4059 v1 = vec_add(v1, v2);
4060 return 0;
4061 }
4062 EOF
4063
4064 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4065 fi
4066
4067 if enabled vsx; then
4068 check_cflags -mvsx &&
4069 check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx
4070 fi
4071
4072 if enabled power8; then
4073 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
4074 fi
4075
4076 elif enabled x86; then
4077
4078 check_builtin rdtsc intrin.h "__rdtsc()"
4079 check_builtin mm_empty mmintrin.h "_mm_empty()"
4080
4081 enable local_aligned_8 local_aligned_16
4082
4083 # check whether EBP is available on x86
4084 # As 'i' is stored on the stack, this program will crash
4085 # if the base pointer is used to access it because the
4086 # base pointer is cleared in the inline assembly code.
4087 check_exec_crash <<EOF && enable ebp_available
4088 volatile int i=0;
4089 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4090 return i;
4091 EOF
4092
4093 # check whether EBX is available on x86
4094 check_inline_asm ebx_available '""::"b"(0)' &&
4095 check_inline_asm ebx_available '"":::"%ebx"'
4096
4097 # check whether xmm clobbers are supported
4098 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4099
4100 # check whether binutils is new enough to compile SSSE3/MMXEXT
4101 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4102 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4103
4104 if ! disabled_any asm mmx yasm; then
4105 if check_cmd $yasmexe --version; then
4106 enabled x86_64 && yasm_extra="-m amd64"
4107 yasm_debug="-g dwarf2"
4108 elif check_cmd nasm -v; then
4109 yasmexe=nasm
4110 yasm_debug="-g -F dwarf"
4111 enabled x86_64 && test "$objformat" = elf && objformat=elf64
4112 fi
4113
4114 YASMFLAGS="-f $objformat $yasm_extra"
4115 enabled pic && append YASMFLAGS "-DPIC"
4116 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4117 case "$objformat" in
4118 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4119 esac
4120
4121 check_yasm "movbe ecx, [5]" && enable yasm ||
4122 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4123 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
4124 check_yasm "vfmadd132ps ymm0, ymm1, ymm2" || disable fma3_external
4125 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4126 check_yasm "CPU amdnop" || disable cpunop
4127 fi
4128
4129 case "$cpu" in
4130 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4131 disable fast_clz
4132 ;;
4133 esac
4134
4135 fi
4136
4137 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
4138
4139 check_ldflags -Wl,--as-needed
4140
4141 if check_func dlopen; then
4142 ldl=
4143 elif check_func dlopen -ldl; then
4144 ldl=-ldl
4145 fi
4146
4147 if ! disabled network; then
4148 check_func getaddrinfo $network_extralibs
4149 check_func getservbyport $network_extralibs
4150 check_func inet_aton $network_extralibs
4151
4152 check_type netdb.h "struct addrinfo"
4153 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4154 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4155 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4156 check_type poll.h "struct pollfd"
4157 check_type netinet/sctp.h "struct sctp_event_subscribe"
4158 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4159 check_type netinet/in.h "struct sockaddr_in6"
4160 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4161 check_type "sys/types.h sys/socket.h" socklen_t
4162
4163 # Prefer arpa/inet.h over winsock2
4164 if check_header arpa/inet.h ; then
4165 check_func closesocket
4166 elif check_header winsock2.h ; then
4167 check_func_headers winsock2.h closesocket -lws2 &&
4168 network_extralibs="-lws2" ||
4169 { check_func_headers winsock2.h closesocket -lws2_32 &&
4170 network_extralibs="-lws2_32"; } || disable winsock2_h network
4171 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4172
4173 check_type ws2tcpip.h socklen_t
4174 check_type ws2tcpip.h "struct addrinfo"
4175 check_type ws2tcpip.h "struct group_source_req"
4176 check_type ws2tcpip.h "struct ip_mreq_source"
4177 check_type ws2tcpip.h "struct ipv6_mreq"
4178 check_type winsock2.h "struct pollfd"
4179 check_struct winsock2.h "struct sockaddr" sa_len
4180 check_type ws2tcpip.h "struct sockaddr_in6"
4181 check_type ws2tcpip.h "struct sockaddr_storage"
4182 else
4183 disable network
4184 fi
4185 fi
4186
4187 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4188 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4189 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4190 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4191
4192 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4193 check_func ${malloc_prefix}memalign && enable memalign
4194 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4195
4196 check_cpp_condition unistd.h "defined(_POSIX_MONOTONIC_CLOCK)" &&
4197 check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
4198
4199 check_func fcntl
4200 check_func fork
4201 check_func gethrtime
4202 check_func getopt
4203 check_func getrusage
4204 check_func gettimeofday
4205 check_func gmtime_r
4206 check_func isatty
4207 check_func localtime_r
4208 check_func mach_absolute_time
4209 check_func mkstemp
4210 check_func mmap
4211 check_func mprotect
4212 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4213 check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt; }
4214 check_func sched_getaffinity
4215 check_func setrlimit
4216 check_func strerror_r
4217 check_func sysconf
4218 check_func sysctl
4219 check_func usleep
4220
4221 check_func_headers io.h setmode
4222 check_func_headers stdlib.h getenv
4223
4224 check_func_headers windows.h CoTaskMemFree -lole32
4225 check_func_headers windows.h GetProcessAffinityMask
4226 check_func_headers windows.h GetProcessTimes
4227 check_func_headers windows.h GetSystemTimeAsFileTime
4228 check_func_headers windows.h LoadLibrary
4229 check_func_headers windows.h MapViewOfFile
4230 check_func_headers windows.h SetConsoleTextAttribute
4231 check_func_headers windows.h Sleep
4232 check_func_headers windows.h VirtualAlloc
4233 check_struct windows.h "CONDITION_VARIABLE" Ptr
4234
4235 check_header direct.h
4236 check_header dlfcn.h
4237 check_header d3d11.h
4238 check_header dxva.h
4239 check_header dxva2api.h
4240 check_header io.h
4241 check_header mach/mach_time.h
4242 check_header malloc.h
4243 check_header poll.h
4244 check_header sys/mman.h
4245 check_header sys/param.h
4246 check_header sys/resource.h
4247 check_header sys/select.h
4248 check_header sys/time.h
4249 check_header sys/un.h
4250 check_header unistd.h
4251 check_header valgrind/valgrind.h
4252 check_header vdpau/vdpau.h
4253 check_header vdpau/vdpau_x11.h
4254 check_header VideoDecodeAcceleration/VDADecoder.h
4255 check_header windows.h
4256 check_header X11/extensions/XvMClib.h
4257
4258 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4259 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4260 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4261
4262 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4263
4264 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC"
4265 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
4266 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0600
4267
4268 if ! disabled w32threads && ! enabled pthreads; then
4269 check_func_headers "windows.h process.h" _beginthreadex &&
4270 enable w32threads || disable w32threads
4271 fi
4272
4273 # check for some common methods of building with pthread support
4274 # do this before the optional library checks as some of them require pthreads
4275 if ! disabled pthreads && ! enabled w32threads; then
4276 enable pthreads
4277 if check_func pthread_join -pthread; then
4278 add_cflags -pthread
4279 add_extralibs -pthread
4280 elif check_func pthread_join -pthreads; then
4281 add_cflags -pthreads
4282 add_extralibs -pthreads
4283 elif check_func pthread_join -lpthreadGC2; then
4284 add_extralibs -lpthreadGC2
4285 elif check_lib pthread.h pthread_join -lpthread; then
4286 :
4287 elif ! check_func pthread_join; then
4288 disable pthreads
4289 fi
4290 fi
4291
4292 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4293 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4294
4295 check_lib math.h sin -lm && LIBM="-lm"
4296 enabled vaapi && require vaapi va/va.h vaInitialize -lva
4297
4298 atan2f_args=2
4299 ldexpf_args=2
4300 powf_args=2
4301
4302 for func in $MATH_FUNCS; do
4303 eval check_mathfunc $func \${${func}_args:-1}
4304 done
4305
4306 # these are off by default, so fail if requested and not available
4307 enabled avisynth && { check_lib2 "avisynth/avisynth_c.h windows.h" LoadLibrary ||
4308 check_lib2 "avxsynth/avxsynth_c.h dlfcn.h" dlopen -ldl ||
4309 die "ERROR: LoadLibrary/dlopen not found, or avisynth header not found"; }
4310 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4311 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4312 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
4313 enabled libdcadec && require libdcadec libdcadec/dca_context.h dcadec_context_create -ldcadec
4314 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4315 enabled libfdk_aac && require_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen
4316 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4317 enabled libfreetype && require_pkg_config freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType
4318 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4319 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4320 done || die "ERROR: libgsm not found"; }
4321 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4322 enabled libmfx && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit
4323 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4324 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4325 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4326 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
4327 enabled libopenh264 && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion
4328 enabled libopenjpeg && { { check_header openjpeg.h && check_lib2 openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC; } ||
4329 { require_pkg_config libopenjpeg1 openjpeg.h opj_version -DOPJ_STATIC; } }
4330 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4331 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4332 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4333 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4334 enabled libsnappy && require snappy snappy-c.h snappy_compress -lsnappy
4335 enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
4336 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4337 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame
4338 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4339 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4340 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4341 enabled libvpx && require_pkg_config "vpx >= 1.3.0" vpx/vpx_codec.h vpx_codec_version && {
4342 enabled libvpx_vp8_decoder && {
4343 check_pkg_config vpx "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
4344 disable libvpx_vp8_decoder;
4345 }
4346 enabled libvpx_vp8_encoder && {
4347 check_pkg_config vpx "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
4348 disable libvpx_vp8_encoder;
4349 }
4350 enabled libvpx_vp9_decoder && {
4351 check_pkg_config vpx "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
4352 disable libvpx_vp9_decoder;
4353 }
4354 enabled libvpx_vp9_encoder && {
4355 check_pkg_config vpx "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
4356 disable libvpx_vp9_encoder;
4357 }
4358 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
4359 die "libvpx enabled but no supported decoders found"
4360 fi
4361 }
4362 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4363 enabled libwebp && require_pkg_config libwebp webp/encode.h WebPGetEncoderVersion
4364 enabled libx264 && require_pkg_config x264 "stdint.h x264.h" x264_encoder_encode &&
4365 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4366 die "ERROR: libx264 version must be >= 0.118."; } &&
4367 { check_cpp_condition x264.h "X264_MPEG2" &&
4368 enable libx262; }
4369 enabled libx265 && require_pkg_config x265 x265.h x265_api_get &&
4370 { check_cpp_condition x265.h "X265_BUILD >= 57" ||
4371 die "ERROR: libx265 version must be >= 57."; }
4372 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
4373 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4374 enabled mmal && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
4375 { ! enabled cross_compile && {
4376 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;
4377 add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;
4378 check_lib interface/mmal/mmal.h mmal_port_connect ; }
4379 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||
4380 die "ERROR: mmal not found"; }
4381 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4382 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4383 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4384 die