use a wrapper script to call MS link.exe to avoid mixing with /usr/bin/link.exe
[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 g722dsp
1594 gcrypt
1595 gmp
1596 golomb
1597 gplv3
1598 h263dsp
1599 h264chroma
1600 h264dsp
1601 h264pred
1602 h264qpel
1603 hpeldsp
1604 huffman
1605 huffyuvdsp
1606 huffyuvencdsp
1607 idctdsp
1608 iirfilter
1609 imdct15
1610 intrax8
1611 ividsp
1612 jpegtables
1613 libx262
1614 lgplv3
1615 lpc
1616 me_cmp
1617 mpeg_er
1618 mpegaudio
1619 mpegaudiodsp
1620 mpegvideo
1621 mpegvideoenc
1622 mss34dsp
1623 pixblockdsp
1624 qpeldsp
1625 qsv
1626 qsvdec
1627 qsvenc
1628 rangecoder
1629 riffdec
1630 riffenc
1631 rtpdec
1632 rtpenc_chain
1633 rv34dsp
1634 sinewin
1635 snappy
1636 startcode
1637 texturedsp
1638 texturedspenc
1639 tpeldsp
1640 videodsp
1641 vp3dsp
1642 vp56dsp
1643 vp8dsp
1644 wma_freqs
1645 wmv2dsp
1646 "
1647
1648 CMDLINE_SELECT="
1649 $ARCH_EXT_LIST
1650 $CONFIG_LIST
1651 $HAVE_LIST_CMDLINE
1652 $THREADS_LIST
1653 asm
1654 cross_compile
1655 debug
1656 extra_warnings
1657 logging
1658 lto
1659 optimizations
1660 rpath
1661 "
1662
1663 PATHS_LIST="
1664 bindir
1665 datadir
1666 docdir
1667 incdir
1668 libdir
1669 mandir
1670 prefix
1671 shlibdir
1672 "
1673
1674 CMDLINE_SET="
1675 $PATHS_LIST
1676 ar
1677 arch
1678 as
1679 build_suffix
1680 cc
1681 cpu
1682 cross_prefix
1683 dep_cc
1684 env
1685 extra_version
1686 host_cc
1687 host_cflags
1688 host_ld
1689 host_ldflags
1690 host_libs
1691 host_os
1692 ld
1693 logfile
1694 malloc_prefix
1695 nm
1696 optflags
1697 pkg_config
1698 pkg_config_flags
1699 random_seed
1700 samples
1701 sysinclude
1702 sysroot
1703 target_exec
1704 target_os
1705 target_path
1706 target_samples
1707 toolchain
1708 "
1709
1710 CMDLINE_APPEND="
1711 extra_cflags
1712 host_cppflags
1713 "
1714
1715 # code dependency declarations
1716
1717 # architecture extensions
1718
1719 armv5te_deps="arm"
1720 armv6_deps="arm"
1721 armv6t2_deps="arm"
1722 armv8_deps="aarch64"
1723 neon_deps_any="aarch64 arm"
1724 intrinsics_neon_deps="neon"
1725 vfp_deps_any="aarch64 arm"
1726 vfpv3_deps="vfp"
1727
1728 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1729
1730 altivec_deps="ppc"
1731 ppc4xx_deps="ppc"
1732 vsx_deps="altivec"
1733 power8_deps="vsx"
1734
1735 cpunop_deps="i686"
1736 x86_64_select="i686"
1737 x86_64_suggest="fast_cmov"
1738
1739 amd3dnow_deps="mmx"
1740 amd3dnowext_deps="amd3dnow"
1741 i686_deps="x86"
1742 mmx_deps="x86"
1743 mmxext_deps="mmx"
1744 sse_deps="mmxext"
1745 sse2_deps="sse"
1746 sse3_deps="sse2"
1747 ssse3_deps="sse3"
1748 sse4_deps="ssse3"
1749 sse42_deps="sse4"
1750 avx_deps="sse42"
1751 xop_deps="avx"
1752 fma3_deps="avx"
1753 fma4_deps="avx"
1754 avx2_deps="avx"
1755
1756 mmx_external_deps="yasm"
1757 mmx_inline_deps="inline_asm"
1758 mmx_suggest="mmx_external mmx_inline"
1759
1760 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1761 eval dep=\$${ext}_deps
1762 eval ${ext}_external_deps='"${dep}_external"'
1763 eval ${ext}_inline_deps='"${dep}_inline"'
1764 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1765 done
1766
1767 aligned_stack_if_any="aarch64 ppc x86"
1768 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1769 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1770 fast_unaligned_if_any="aarch64 ppc x86"
1771 simd_align_16_if_any="altivec neon sse"
1772
1773 # system capabilities
1774 symver_if_any="symver_asm_label symver_gnu_asm"
1775 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
1776
1777 # threading support
1778 atomics_gcc_if="sync_val_compare_and_swap"
1779 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1780 atomics_win32_if="MemoryBarrier"
1781 atomics_native_if_any="$ATOMICS_LIST"
1782 w32threads_deps="atomics_native"
1783 threads_if_any="$THREADS_LIST"
1784
1785 # subsystems
1786 dct_select="rdft"
1787 error_resilience_select="me_cmp"
1788 faandct_deps="faan fdctdsp"
1789 faanidct_deps="faan idctdsp"
1790 intrax8_select="error_resilience"
1791 mdct_select="fft"
1792 rdft_select="fft"
1793 me_cmp_select="fdctdsp idctdsp pixblockdsp"
1794 mpeg_er_select="error_resilience"
1795 mpegaudio_select="mpegaudiodsp"
1796 mpegaudiodsp_select="dct"
1797 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp videodsp"
1798 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
1799 nvenc_deps_any="dlopen LoadLibrary"
1800 nvenc_extralibs='$ldl'
1801 qsvdec_select="qsv"
1802 qsvenc_select="qsv"
1803
1804 # decoders / encoders
1805 aac_decoder_select="imdct15 mdct sinewin"
1806 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
1807 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1808 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
1809 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1810 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
1811 adpcm_g722_decoder_select="g722dsp"
1812 adpcm_g722_encoder_select="g722dsp"
1813 aic_decoder_select="golomb idctdsp"
1814 alac_encoder_select="lpc"
1815 als_decoder_select="bswapdsp"
1816 amrnb_decoder_select="lsp"
1817 amrwb_decoder_select="lsp"
1818 amv_decoder_select="sp5x_decoder"
1819 ape_decoder_select="bswapdsp"
1820 asv1_decoder_select="blockdsp bswapdsp idctdsp"
1821 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
1822 asv2_decoder_select="blockdsp bswapdsp idctdsp"
1823 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
1824 atrac1_decoder_select="mdct sinewin"
1825 atrac3_decoder_select="mdct"
1826 atrac3p_decoder_select="mdct sinewin"
1827 bink_decoder_select="blockdsp hpeldsp"
1828 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
1829 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
1830 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
1831 cllc_decoder_select="bswapdsp"
1832 comfortnoise_encoder_select="lpc"
1833 cook_decoder_select="audiodsp mdct sinewin"
1834 cscd_decoder_select="lzo"
1835 cscd_decoder_suggest="zlib"
1836 dca_decoder_select="fmtconvert mdct"
1837 dds_decoder_select="texturedsp"
1838 dnxhd_decoder_select="blockdsp idctdsp"
1839 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
1840 dvvideo_decoder_select="dvprofile idctdsp"
1841 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
1842 dxa_decoder_deps="zlib"
1843 eac3_decoder_select="ac3_decoder"
1844 eac3_encoder_select="ac3_encoder"
1845 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
1846 eatgq_decoder_select="aandcttables idctdsp"
1847 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
1848 exr_decoder_deps="zlib"
1849 ffv1_decoder_select="golomb rangecoder"
1850 ffv1_encoder_select="rangecoder"
1851 ffvhuff_decoder_select="huffyuv_decoder"
1852 ffvhuff_encoder_select="huffyuv_encoder"
1853 fic_decoder_select="golomb"
1854 flac_decoder_select="flacdsp golomb"
1855 flac_encoder_select="bswapdsp flacdsp golomb lpc"
1856 flashsv_decoder_deps="zlib"
1857 flashsv_encoder_deps="zlib"
1858 flashsv2_decoder_deps="zlib"
1859 flv_decoder_select="h263_decoder"
1860 flv_encoder_select="h263_encoder"
1861 fourxm_decoder_select="blockdsp bswapdsp"
1862 fraps_decoder_select="bswapdsp huffman"
1863 g2m_decoder_deps="zlib"
1864 g2m_decoder_select="blockdsp idctdsp jpegtables"
1865 h261_decoder_select="mpeg_er mpegvideo"
1866 h261_encoder_select="aandcttables mpegvideoenc"
1867 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
1868 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1869 h263i_decoder_select="h263_decoder"
1870 h263p_encoder_select="h263_encoder"
1871 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
1872 h264_decoder_suggest="error_resilience"
1873 h264_nvenc_encoder_deps="nvenc"
1874 h264_qsv_decoder_deps="libmfx"
1875 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
1876 h264_qsv_encoder_deps="libmfx"
1877 h264_qsv_encoder_select="qsvenc"
1878 hap_decoder_select="snappy texturedsp"
1879 hap_encoder_deps="libsnappy"
1880 hap_encoder_select="texturedspenc"
1881 hevc_decoder_select="bswapdsp cabac golomb videodsp"
1882 hevc_nvenc_encoder_deps="nvenc"
1883 hevc_qsv_encoder_deps="libmfx"
1884 hevc_qsv_encoder_select="qsvenc"
1885 huffyuv_decoder_select="bswapdsp huffyuvdsp"
1886 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
1887 iac_decoder_select="imc_decoder"
1888 imc_decoder_select="bswapdsp fft mdct sinewin"
1889 indeo3_decoder_select="hpeldsp"
1890 indeo4_decoder_select="ividsp"
1891 indeo5_decoder_select="ividsp"
1892 interplay_video_decoder_select="hpeldsp"
1893 jpegls_decoder_select="golomb mjpeg_decoder"
1894 jpegls_encoder_select="golomb"
1895 jv_decoder_select="blockdsp"
1896 lagarith_decoder_select="huffyuvdsp"
1897 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
1898 loco_decoder_select="golomb"
1899 mdec_decoder_select="blockdsp idctdsp mpegvideo"
1900 metasound_decoder_select="lsp mdct sinewin"
1901 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
1902 mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
1903 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
1904 mjpegb_decoder_select="mjpeg_decoder"
1905 mlp_decoder_select="mlp_parser"
1906 motionpixels_decoder_select="bswapdsp"
1907 mp1_decoder_select="mpegaudio"
1908 mp1float_decoder_select="mpegaudio"
1909 mp2_decoder_select="mpegaudio"
1910 mp2float_decoder_select="mpegaudio"
1911 mp3_decoder_select="mpegaudio"
1912 mp3adu_decoder_select="mpegaudio"
1913 mp3adufloat_decoder_select="mpegaudio"
1914 mp3float_decoder_select="mpegaudio"
1915 mp3on4_decoder_select="mpegaudio"
1916 mp3on4float_decoder_select="mpegaudio"
1917 mpc7_decoder_select="bswapdsp mpegaudiodsp"
1918 mpc8_decoder_select="mpegaudiodsp"
1919 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1920 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1921 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
1922 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1923 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
1924 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1925 mpeg2_qsv_encoder_deps="libmfx"
1926 mpeg2_qsv_encoder_select="qsvenc"
1927 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1928 mpeg4_encoder_select="h263_encoder"
1929 msa1_decoder_select="mss34dsp"
1930 msmpeg4v1_decoder_select="h263_decoder"
1931 msmpeg4v2_decoder_select="h263_decoder"
1932 msmpeg4v2_encoder_select="h263_encoder"
1933 msmpeg4v3_decoder_select="h263_decoder"
1934 msmpeg4v3_encoder_select="h263_encoder"
1935 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
1936 mts2_decoder_select="mss34dsp"
1937 mxpeg_decoder_select="mjpeg_decoder"
1938 nellymoser_decoder_select="mdct sinewin"
1939 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1940 nuv_decoder_select="idctdsp lzo"
1941 on2avc_decoder_select="mdct"
1942 opus_decoder_deps="avresample"
1943 opus_decoder_select="imdct15"
1944 png_decoder_deps="zlib"
1945 png_encoder_deps="zlib"
1946 png_encoder_select="huffyuvencdsp"
1947 prores_decoder_select="idctdsp"
1948 prores_encoder_select="fdctdsp"
1949 qcelp_decoder_select="lsp"
1950 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1951 ra_144_encoder_select="audio_frame_queue lpc"
1952 ralf_decoder_select="golomb"
1953 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
1954 rv10_encoder_select="h263_encoder"
1955 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
1956 rv20_encoder_select="h263_encoder"
1957 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
1958 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
1959 shorten_decoder_select="golomb"
1960 sipr_decoder_select="lsp"
1961 sp5x_decoder_select="mjpeg_decoder"
1962 svq1_decoder_select="hpeldsp"
1963 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
1964 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
1965 svq3_decoder_suggest="zlib"
1966 tak_decoder_select="audiodsp"
1967 tdsc_decoder_deps="zlib"
1968 tdsc_decoder_select="mjpeg_decoder"
1969 theora_decoder_select="vp3_decoder"
1970 thp_decoder_select="mjpeg_decoder"
1971 tiff_decoder_suggest="zlib"
1972 tiff_encoder_suggest="zlib"
1973 truehd_decoder_select="mlp_decoder"
1974 truemotion2_decoder_select="bswapdsp"
1975 truespeech_decoder_select="bswapdsp"
1976 tscc_decoder_deps="zlib"
1977 txd_decoder_select="texturedsp"
1978 twinvq_decoder_select="mdct lsp sinewin"
1979 utvideo_decoder_select="bswapdsp"
1980 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
1981 vble_decoder_select="huffyuvdsp"
1982 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
1983 vc1image_decoder_select="vc1_decoder"
1984 vorbis_decoder_select="mdct"
1985 vorbis_encoder_select="mdct"
1986 vp3_decoder_select="hpeldsp vp3dsp videodsp"
1987 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
1988 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
1989 vp6a_decoder_select="vp6_decoder"
1990 vp6f_decoder_select="vp6_decoder"
1991 vp7_decoder_select="h264pred videodsp vp8dsp"
1992 vp8_decoder_select="h264pred videodsp vp8dsp"
1993 vp9_decoder_select="videodsp"
1994 webp_decoder_select="vp8_decoder"
1995 wmapro_decoder_select="mdct sinewin wma_freqs"
1996 wmav1_decoder_select="mdct sinewin wma_freqs"
1997 wmav1_encoder_select="mdct sinewin wma_freqs"
1998 wmav2_decoder_select="mdct sinewin wma_freqs"
1999 wmav2_encoder_select="mdct sinewin wma_freqs"
2000 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2001 wmv1_decoder_select="h263_decoder"
2002 wmv1_encoder_select="h263_encoder"
2003 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2004 wmv2_encoder_select="h263_encoder wmv2dsp"
2005 wmv3_decoder_select="vc1_decoder"
2006 wmv3image_decoder_select="wmv3_decoder"
2007 zerocodec_decoder_deps="zlib"
2008 zlib_decoder_deps="zlib"
2009 zlib_encoder_deps="zlib"
2010 zmbv_decoder_deps="zlib"
2011 zmbv_encoder_deps="zlib"
2012
2013 # hardware accelerators
2014 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2015 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2016 vaapi_deps="va_va_h"
2017 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2018 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2019 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2020
2021 h263_vaapi_hwaccel_deps="vaapi"
2022 h263_vaapi_hwaccel_select="h263_decoder"
2023 h263_vdpau_hwaccel_deps="vdpau"
2024 h263_vdpau_hwaccel_select="h263_decoder"
2025 h264_d3d11va_hwaccel_deps="d3d11va"
2026 h264_d3d11va_hwaccel_select="h264_decoder"
2027 h264_dxva2_hwaccel_deps="dxva2"
2028 h264_dxva2_hwaccel_select="h264_decoder"
2029 h264_mmal_decoder_deps="mmal"
2030 h264_mmal_hwaccel_deps="mmal"
2031 h264_mmal_decoder_select="h264_decoder"
2032 h264_mmal_encoder_deps="mmal"
2033 h264_qsv_hwaccel_deps="libmfx"
2034 h264_vaapi_hwaccel_deps="vaapi"
2035 h264_vaapi_hwaccel_select="h264_decoder"
2036 h264_vda_hwaccel_deps="vda"
2037 h264_vda_hwaccel_select="h264_decoder"
2038 h264_vda_old_hwaccel_deps="vda"
2039 h264_vda_old_hwaccel_select="h264_decoder"
2040 h264_vdpau_hwaccel_deps="vdpau"
2041 h264_vdpau_hwaccel_select="h264_decoder"
2042 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2043 hevc_d3d11va_hwaccel_select="hevc_decoder"
2044 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2045 hevc_dxva2_hwaccel_select="hevc_decoder"
2046 mpeg1_vdpau_hwaccel_deps="vdpau"
2047 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2048 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2049 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2050 mpeg2_dxva2_hwaccel_deps="dxva2"
2051 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2052 mpeg2_vaapi_hwaccel_deps="vaapi"
2053 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2054 mpeg2_vdpau_hwaccel_deps="vdpau"
2055 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2056 mpeg4_vaapi_hwaccel_deps="vaapi"
2057 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2058 mpeg4_vdpau_hwaccel_deps="vdpau"
2059 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2060 vc1_d3d11va_hwaccel_deps="d3d11va"
2061 vc1_d3d11va_hwaccel_select="vc1_decoder"
2062 vc1_dxva2_hwaccel_deps="dxva2"
2063 vc1_dxva2_hwaccel_select="vc1_decoder"
2064 vc1_vaapi_hwaccel_deps="vaapi"
2065 vc1_vaapi_hwaccel_select="vc1_decoder"
2066 vc1_vdpau_hwaccel_deps="vdpau"
2067 vc1_vdpau_hwaccel_select="vc1_decoder"
2068 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2069 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2070 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2071 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2072
2073 # parsers
2074 h264_parser_select="h264_decoder"
2075 hevc_parser_select="golomb"
2076 mpegvideo_parser_select="mpegvideo"
2077 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
2078 vc1_parser_select="mpegvideo startcode vc1_decoder"
2079
2080 # bitstream_filters
2081 mjpeg2jpeg_bsf_select="jpegtables"
2082
2083 # external libraries
2084 libdcadec_decoder_deps="libdcadec"
2085 libfaac_encoder_deps="libfaac"
2086 libfaac_encoder_select="audio_frame_queue"
2087 libfdk_aac_decoder_deps="libfdk_aac"
2088 libfdk_aac_encoder_deps="libfdk_aac"
2089 libfdk_aac_encoder_select="audio_frame_queue"
2090 libgsm_decoder_deps="libgsm"
2091 libgsm_encoder_deps="libgsm"
2092 libgsm_ms_decoder_deps="libgsm"
2093 libgsm_ms_encoder_deps="libgsm"
2094 libilbc_decoder_deps="libilbc"
2095 libilbc_encoder_deps="libilbc"
2096 libmp3lame_encoder_deps="libmp3lame"
2097 libmp3lame_encoder_select="audio_frame_queue"
2098 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2099 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2100 libopencore_amrnb_encoder_select="audio_frame_queue"
2101 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2102 libopenh264_encoder_deps="libopenh264"
2103 libopenjpeg_decoder_deps="libopenjpeg"
2104 libopenjpeg_encoder_deps="libopenjpeg"
2105 libopus_decoder_deps="libopus"
2106 libopus_encoder_deps="libopus"
2107 libopus_encoder_select="audio_frame_queue"
2108 libschroedinger_decoder_deps="libschroedinger"
2109 libschroedinger_encoder_deps="libschroedinger"
2110 libspeex_decoder_deps="libspeex"
2111 libspeex_encoder_deps="libspeex"
2112 libspeex_encoder_select="audio_frame_queue"
2113 libtheora_encoder_deps="libtheora"
2114 libtwolame_encoder_deps="libtwolame"
2115 libvo_aacenc_encoder_deps="libvo_aacenc"
2116 libvo_aacenc_encoder_select="audio_frame_queue"
2117 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2118 libvorbis_encoder_deps="libvorbis"
2119 libvorbis_encoder_select="audio_frame_queue"
2120 libvpx_vp8_decoder_deps="libvpx"
2121 libvpx_vp8_encoder_deps="libvpx"
2122 libvpx_vp9_decoder_deps="libvpx"
2123 libvpx_vp9_encoder_deps="libvpx"
2124 libwavpack_encoder_deps="libwavpack"
2125 libwebp_encoder_deps="libwebp"
2126 libx262_encoder_deps="libx262"
2127 libx264_encoder_deps="libx264"
2128 libx265_encoder_deps="libx265"
2129 libxavs_encoder_deps="libxavs"
2130 libxvid_encoder_deps="libxvid"
2131
2132 # demuxers / muxers
2133 ac3_demuxer_select="ac3_parser"
2134 asf_demuxer_select="riffdec"
2135 asf_muxer_select="riffenc"
2136 asf_stream_muxer_select="asf_muxer"
2137 avi_demuxer_select="riffdec"
2138 avi_muxer_select="riffenc"
2139 avisynth_demuxer_deps="avisynth"
2140 avisynth_demuxer_select="riffdec"
2141 caf_demuxer_select="riffdec"
2142 dash_muxer_select="mp4_muxer"
2143 dirac_demuxer_select="dirac_parser"
2144 dv_demuxer_select="dvprofile"
2145 dv_muxer_select="dvprofile"
2146 dxa_demuxer_select="riffdec"
2147 eac3_demuxer_select="ac3_parser"
2148 f4v_muxer_select="mov_muxer"
2149 flac_demuxer_select="flac_parser"
2150 hds_muxer_select="flv_muxer"
2151 hls_muxer_select="mpegts_muxer"
2152 ipod_muxer_select="mov_muxer"
2153 ismv_muxer_select="mov_muxer"
2154 matroska_audio_muxer_select="matroska_muxer"
2155 matroska_demuxer_select="riffdec"
2156 matroska_demuxer_suggest="bzlib lzo zlib"
2157 matroska_muxer_select="riffenc"
2158 mmf_muxer_select="riffenc"
2159 mov_demuxer_select="riffdec"
2160 mov_demuxer_suggest="zlib"
2161 mov_muxer_select="riffenc rtpenc_chain"
2162 mp3_demuxer_select="mpegaudio_parser"
2163 mp4_muxer_select="mov_muxer"
2164 mpegts_muxer_select="adts_muxer latm_muxer"
2165 mpegtsraw_demuxer_select="mpegts_demuxer"
2166 mxf_d10_muxer_select="mxf_muxer"
2167 nut_muxer_select="riffenc"
2168 nuv_demuxer_select="riffdec"
2169 oga_muxer_select="ogg_muxer"
2170 ogg_demuxer_select="golomb"
2171 opus_muxer_select="ogg_muxer"
2172 psp_muxer_select="mov_muxer"
2173 rtp_demuxer_select="sdp_demuxer"
2174 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2175 rtsp_demuxer_select="http_protocol rtpdec"
2176 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2177 sap_demuxer_select="sdp_demuxer"
2178 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2179 sdp_demuxer_select="rtpdec"
2180 smoothstreaming_muxer_select="ismv_muxer"
2181 spdif_muxer_select="aac_parser"
2182 spx_muxer_select="ogg_muxer"
2183 tak_demuxer_select="tak_parser"
2184 tg2_muxer_select="mov_muxer"
2185 tgp_muxer_select="mov_muxer"
2186 w64_demuxer_select="wav_demuxer"
2187 wav_demuxer_select="riffdec"
2188 wav_muxer_select="riffenc"
2189 webm_muxer_select="riffenc"
2190 wtv_demuxer_select="riffdec"
2191 xmv_demuxer_select="riffdec"
2192 xwma_demuxer_select="riffdec"
2193
2194 # indevs / outdevs
2195 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2196 alsa_outdev_deps="alsa_asoundlib_h"
2197 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2198 dv1394_indev_deps="dv1394"
2199 dv1394_indev_select="dv_demuxer"
2200 fbdev_indev_deps="linux_fb_h"
2201 jack_indev_deps="jack_jack_h pthreads"
2202 libcdio_indev_deps="libcdio"
2203 libdc1394_indev_deps="libdc1394"
2204 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2205 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2206 pulse_indev_deps="libpulse"
2207 sndio_indev_deps="sndio_h"
2208 sndio_outdev_deps="sndio_h"
2209 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2210 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2211 vfwcap_indev_extralibs="-lavicap32"
2212 x11grab_indev_deps="x11grab"
2213 x11grab_xcb_indev_deps="libxcb"
2214
2215 # protocols
2216 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2217 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2218 ffrtmpcrypt_protocol_select="tcp_protocol"
2219 ffrtmphttp_protocol_deps="!librtmp_protocol"
2220 ffrtmphttp_protocol_select="http_protocol"
2221 gopher_protocol_select="network"
2222 http_protocol_select="tcp_protocol"
2223 httpproxy_protocol_select="tcp_protocol"
2224 https_protocol_select="tls_protocol"
2225 icecast_protocol_select="http_protocol"
2226 librtmp_protocol_deps="librtmp"
2227 librtmpe_protocol_deps="librtmp"
2228 librtmps_protocol_deps="librtmp"
2229 librtmpt_protocol_deps="librtmp"
2230 librtmpte_protocol_deps="librtmp"
2231 mmsh_protocol_select="http_protocol"
2232 mmst_protocol_select="network"
2233 rtmp_protocol_deps="!librtmp_protocol"
2234 rtmp_protocol_select="tcp_protocol"
2235 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2236 rtmps_protocol_deps="!librtmp_protocol"
2237 rtmps_protocol_select="tls_protocol"
2238 rtmpt_protocol_select="ffrtmphttp_protocol"
2239 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2240 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2241 rtp_protocol_select="udp_protocol"
2242 sctp_protocol_deps="struct_sctp_event_subscribe"
2243 sctp_protocol_select="network"
2244 srtp_protocol_select="rtp_protocol"
2245 tcp_protocol_select="network"
2246 tls_gnutls_protocol_deps="gnutls"
2247 tls_gnutls_protocol_select="tcp_protocol"
2248 tls_openssl_protocol_deps="openssl !tls_gnutls_protocol"
2249 tls_openssl_protocol_select="tcp_protocol"
2250 tls_protocol_deps_any="tls_gnutls_protocol tls_openssl_protocol"
2251 udp_protocol_select="network"
2252 unix_protocol_deps="sys_un_h"
2253 unix_protocol_select="network"
2254
2255 # filters
2256 blackframe_filter_deps="gpl"
2257 boxblur_filter_deps="gpl"
2258 bs2b_filter_deps="libbs2b"
2259 cropdetect_filter_deps="gpl"
2260 delogo_filter_deps="gpl"
2261 drawtext_filter_deps="libfreetype"
2262 frei0r_filter_deps="frei0r dlopen"
2263 frei0r_filter_extralibs='$ldl'
2264 frei0r_src_filter_deps="frei0r dlopen"
2265 frei0r_src_filter_extralibs='$ldl'
2266 hqdn3d_filter_deps="gpl"
2267 interlace_filter_deps="gpl"
2268 ocv_filter_deps="libopencv"
2269 resample_filter_deps="avresample"
2270 scale_filter_deps="swscale"
2271
2272 # examples
2273 avcodec_example_deps="avcodec avutil"
2274 filter_audio_example_deps="avfilter avutil"
2275 metadata_example_deps="avformat avutil"
2276 output_example_deps="avcodec avformat avutil swscale"
2277 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2278 transcode_aac_example_deps="avcodec avformat avresample"
2279
2280 # libraries, in linking order
2281 avcodec_deps="avutil"
2282 avdevice_deps="avformat avcodec avutil"
2283 avfilter_deps="avutil"
2284 avformat_deps="avcodec avutil"
2285 avresample_deps="avutil"
2286 swscale_deps="avutil"
2287
2288 # programs
2289 avconv_deps="avcodec avfilter avformat avresample swscale"
2290 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2291 fps_filter null_filter resample_filter scale_filter
2292 setpts_filter trim_filter"
2293 avplay_deps="avcodec avformat avresample swscale sdl"
2294 avplay_libs='$sdl_libs'
2295 avplay_select="rdft transpose_filter hflip_filter vflip_filter"
2296 avprobe_deps="avcodec avformat"
2297
2298 # documentation
2299 pod2man_deps="doc"
2300 texi2html_deps="doc"
2301
2302 # default parameters
2303
2304 logfile="config.log"
2305
2306 # installation paths
2307 prefix_default="/usr/local"
2308 bindir_default='${prefix}/bin'
2309 datadir_default='${prefix}/share/avconv'
2310 docdir_default='${prefix}/share/doc/libav'
2311 incdir_default='${prefix}/include'
2312 libdir_default='${prefix}/lib'
2313 mandir_default='${prefix}/share/man'
2314 shlibdir_default="$libdir_default"
2315
2316 # toolchain
2317 ar_default="ar"
2318 cc_default="gcc"
2319 host_cc_default="gcc"
2320 cp_f="cp -f"
2321 ln_s="ln -s -f"
2322 nm_default="nm -g"
2323 objformat="elf"
2324 pkg_config_default=pkg-config
2325 ranlib="ranlib"
2326 strip="strip"
2327 yasmexe="yasm"
2328
2329 # machine
2330 arch_default=$(uname -m)
2331 cpu="generic"
2332 intrinsics="none"
2333
2334 # OS
2335 target_os_default=$(tolower $(uname -s))
2336 host_os=$target_os_default
2337
2338 # configurable options
2339 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2340
2341 enable asm
2342 enable debug
2343 enable doc
2344 enable faan faandct faanidct
2345 enable optimizations
2346 enable safe_bitstream_reader
2347 enable static
2348 enable swscale_alpha
2349 enable valgrind_backtrace
2350
2351 # By default, enable only those hwaccels that have no external dependencies.
2352 enable d3d11va dxva2 vda vdpau
2353
2354 # build settings
2355 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2356 LIBPREF="lib"
2357 LIBSUF=".a"
2358 FULLNAME='$(NAME)$(BUILDSUF)'
2359 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2360 SLIBPREF="lib"
2361 SLIBSUF=".so"
2362 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2363 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2364 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2365 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2366 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2367 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2368
2369 asflags_filter=echo
2370 cflags_filter=echo
2371 ldflags_filter=echo
2372
2373 AS_C='-c'
2374 AS_O='-o $@'
2375 CC_C='-c'
2376 CC_E='-E -o $@'
2377 CC_O='-o $@'
2378 LD_O='-o $@'
2379 LD_LIB='-l%'
2380 LD_PATH='-L'
2381 HOSTCC_C='-c'
2382 HOSTCC_E='-E -o $@'
2383 HOSTCC_O='-o $@'
2384 HOSTLD_O='-o $@'
2385
2386 host_libs='-lm'
2387 host_cflags_filter=echo
2388 host_ldflags_filter=echo
2389
2390 target_path='$(CURDIR)'
2391
2392 # since the object filename is not given with the -MM flag, the compiler
2393 # is only able to print the basename, and we must add the path ourselves
2394 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2395 DEPFLAGS='-MM'
2396
2397 # find source path
2398 if test -f configure; then
2399 source_path=.
2400 else
2401 source_path=$(cd $(dirname "$0"); pwd)
2402 echo "$source_path" | grep -q '[[:blank:]]' &&
2403 die "Out of tree builds are impossible with whitespace in source path."
2404 test -e "$source_path/config.h" &&
2405 die "Out of tree builds are impossible with config.h in source dir."
2406 fi
2407
2408 for v in "$@"; do
2409 r=${v#*=}
2410 l=${v%"$r"}
2411 r=$(sh_quote "$r")
2412 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2413 done
2414
2415 find_things(){
2416 thing=$1
2417 pattern=$2
2418 file=$source_path/$3
2419 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2420 }
2421
2422 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2423 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2424 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2425 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2426 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2427 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2428 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2429 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2430 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2431 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2432 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2433
2434 ALL_COMPONENTS="
2435 $BSF_LIST
2436 $DECODER_LIST
2437 $DEMUXER_LIST
2438 $ENCODER_LIST
2439 $FILTER_LIST
2440 $HWACCEL_LIST
2441 $INDEV_LIST
2442 $MUXER_LIST
2443 $OUTDEV_LIST
2444 $PARSER_LIST
2445 $PROTOCOL_LIST
2446 "
2447
2448 for n in $COMPONENT_LIST; do
2449 v=$(toupper ${n%s})_LIST
2450 eval enable \$$v
2451 eval ${n}_if_any="\$$v"
2452 done
2453
2454 enable $ARCH_EXT_LIST
2455
2456 die_unknown(){
2457 echo "Unknown option \"$1\"."
2458 echo "See $0 --help for available options."
2459 exit 1
2460 }
2461
2462 print_3_columns() {
2463 cat | tr ' ' '\n' | sort | pr -r -3 -t
2464 }
2465
2466 show_list() {
2467 suffix=_$1
2468 shift
2469 echo $* | sed s/$suffix//g | print_3_columns
2470 exit 0
2471 }
2472
2473 rand_list(){
2474 IFS=', '
2475 set -- $*
2476 unset IFS
2477 for thing; do
2478 comp=${thing%:*}
2479 prob=${thing#$comp}
2480 prob=${prob#:}
2481 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2482 echo "prob ${prob:-0.5}"
2483 printf '%s\n' $comp
2484 done
2485 }
2486
2487 do_random(){
2488 action=$1
2489 shift
2490 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2491 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2492 }
2493
2494 for opt do
2495 optval="${opt#*=}"
2496 case "$opt" in
2497 --extra-ldflags=*)
2498 add_ldflags $optval
2499 ;;
2500 --extra-ldexeflags=*)
2501 add_ldexeflags $optval
2502 ;;
2503 --extra-libs=*)
2504 add_extralibs $optval
2505 ;;
2506 --disable-devices)
2507 disable $INDEV_LIST $OUTDEV_LIST
2508 ;;
2509 --enable-debug=*)
2510 debuglevel="$optval"
2511 ;;
2512 --disable-programs)
2513 disable $PROGRAM_LIST
2514 ;;
2515 --disable-everything)
2516 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2517 ;;
2518 --disable-all)
2519 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2520 disable $LIBRARY_LIST $PROGRAM_LIST doc
2521 ;;
2522 --enable-random|--disable-random)
2523 action=${opt%%-random}
2524 do_random ${action#--} $COMPONENT_LIST
2525 ;;
2526 --enable-random=*|--disable-random=*)
2527 action=${opt%%-random=*}
2528 do_random ${action#--} $optval
2529 ;;
2530 --enable-*=*|--disable-*=*)
2531 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2532 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2533 eval list=\$$(toupper $thing)_LIST
2534 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2535 $action $(filter "$name" $list)
2536 ;;
2537 --enable-avserver|--disable-avserver*)
2538 warn "avserver has been removed, the ${opt} option is only"\
2539 "provided for compatibility and will be removed in the future"
2540 ;;
2541 --enable-?*|--disable-?*)
2542 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2543 if is_in $option $COMPONENT_LIST; then
2544 test $action = disable && action=unset
2545 eval $action \$$(toupper ${option%s})_LIST
2546 elif is_in $option $CMDLINE_SELECT; then
2547 $action $option
2548 else
2549 die_unknown $opt
2550 fi
2551 ;;
2552 --list-*)
2553 NAME="${opt#--list-}"
2554 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2555 NAME=${NAME%s}
2556 eval show_list $NAME \$$(toupper $NAME)_LIST
2557 ;;
2558 --help|-h) show_help
2559 ;;
2560 *)
2561 optname="${opt%%=*}"
2562 optname="${optname#--}"
2563 optname=$(echo "$optname" | sed 's/-/_/g')
2564 if is_in $optname $CMDLINE_SET; then
2565 eval $optname='$optval'
2566 elif is_in $optname $CMDLINE_APPEND; then
2567 append $optname "$optval"
2568 else
2569 die_unknown $opt
2570 fi
2571 ;;
2572 esac
2573 done
2574
2575 for e in $env; do
2576 eval "export $e"
2577 done
2578
2579 disabled logging && logfile=/dev/null
2580
2581 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2582 set >> $logfile
2583
2584 case "$toolchain" in
2585 clang-asan)
2586 cc_default="clang"
2587 add_cflags -fsanitize=address
2588 add_ldflags -fsanitize=address
2589 ;;
2590 clang-tsan)
2591 cc_default="clang"
2592 add_cflags -fsanitize=thread -pie
2593 add_ldflags -fsanitize=thread -pie
2594 ;;
2595 clang-usan)
2596 cc_default="clang"
2597 add_cflags -fsanitize=undefined -O1
2598 add_ldflags -fsanitize=undefined
2599 ;;
2600 gcc-asan)
2601 cc_default="gcc"
2602 add_cflags -fsanitize=address
2603 add_ldflags -fsanitize=address
2604 ;;
2605 gcc-tsan)
2606 cc_default="gcc"
2607 add_cflags -fsanitize=thread -pie -fPIC
2608 add_ldflags -fsanitize=thread -pie -fPIC
2609 ;;
2610 gcc-usan)
2611 cc_default="gcc"
2612 add_cflags -fsanitize=undefined
2613 add_ldflags -fsanitize=undefined
2614 ;;
2615 valgrind-massif)
2616 target_exec_default="valgrind"
2617 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2618 ;;
2619 valgrind-memcheck)
2620 target_exec_default="valgrind"
2621 target_exec_args="--track-origins=yes --leak-check=full"
2622 ;;
2623 msvc)
2624 # Check whether the current MSVC version needs the C99 converter.
2625 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2626 # support enough of C99 to build libav. Default to the new
2627 # behaviour if the regexp was unable to match anything, since this
2628 # successfully parses the version number of existing supported
2629 # versions that require the converter (MSVC 2010 and 2012).
2630 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2631 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2632 cc_default="cl"
2633 else
2634 cc_default="c99wrap cl"
2635 fi
2636 ld_default="$source_path/compat/windows/mslink"
2637 nm_default="dumpbin -symbols"
2638 ar_default="lib"
2639 target_os_default="win32"
2640 # Use a relative path for TMPDIR. This makes sure all the
2641 # ffconf temp files are written with a relative path, avoiding
2642 # issues with msys/win32 path conversion for MSVC parameters
2643 # such as -Fo<file> or -out:<file>.
2644 TMPDIR=.
2645 ;;
2646 icl)
2647 cc_default="icl"
2648 ld_default="xilink"
2649 nm_default="dumpbin -symbols"
2650 ar_default="xilib"
2651 target_os_default="win32"
2652 TMPDIR=.
2653 ;;
2654 gcov)
2655 add_cflags -fprofile-arcs -ftest-coverage
2656 add_ldflags -fprofile-arcs -ftest-coverage
2657 ;;
2658 hardened)
2659 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
2660 add_cflags -fno-strict-overflow -fstack-protector-all
2661 add_ldflags -Wl,-z,relro -Wl,-z,now
2662 ;;
2663 ?*)
2664 die "Unknown toolchain $toolchain"
2665 ;;
2666 esac
2667
2668 test -n "$cross_prefix" && enable cross_compile
2669
2670 if enabled cross_compile; then
2671 test -n "$arch" && test -n "$target_os" ||
2672 die "Must specify target arch and OS when cross-compiling"
2673 fi
2674
2675 ar_default="${cross_prefix}${ar_default}"
2676 cc_default="${cross_prefix}${cc_default}"
2677 nm_default="${cross_prefix}${nm_default}"
2678 pkg_config_default="${cross_prefix}${pkg_config_default}"
2679 ranlib="${cross_prefix}${ranlib}"
2680 strip="${cross_prefix}${strip}"
2681
2682 sysinclude_default="${sysroot}/usr/include"
2683
2684 set_default arch cc pkg_config sysinclude target_exec target_os
2685 enabled cross_compile || host_cc_default=$cc
2686 set_default host_cc
2687
2688 if ! $pkg_config --version >/dev/null 2>&1; then
2689 warn "$pkg_config not found, library detection may fail."
2690 pkg_config=false
2691 fi
2692
2693 exesuf() {
2694 case $1 in
2695 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2696 esac
2697 }
2698
2699 EXESUF=$(exesuf $target_os)
2700 HOSTEXESUF=$(exesuf $host_os)
2701
2702 # set temporary file name
2703 : ${TMPDIR:=$TEMPDIR}
2704 : ${TMPDIR:=$TMP}
2705 : ${TMPDIR:=/tmp}
2706
2707 if ! check_cmd mktemp -u XXXXXX; then
2708 # simple replacement for missing mktemp
2709 # NOT SAFE FOR GENERAL USE
2710 mktemp(){
2711 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2712 }
2713 fi
2714
2715 tmpfile(){
2716 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2717 (set -C; exec > $tmp) 2>/dev/null ||
2718 die "Unable to create temporary file in $TMPDIR."
2719 append TMPFILES $tmp
2720 eval $1=$tmp
2721 }
2722
2723 trap 'rm -f -- $TMPFILES' EXIT
2724
2725 tmpfile TMPASM .asm
2726 tmpfile TMPC .c
2727 tmpfile TMPE $EXESUF
2728 tmpfile TMPH .h
2729 tmpfile TMPO .o
2730 tmpfile TMPS .S
2731 tmpfile TMPSH .sh
2732 tmpfile TMPV .ver
2733
2734 unset -f mktemp
2735
2736 chmod +x $TMPE
2737
2738 # make sure we can execute files in $TMPDIR
2739 cat > $TMPSH 2>> $logfile <<EOF
2740 #! /bin/sh
2741 EOF
2742 chmod +x $TMPSH >> $logfile 2>&1
2743 if ! $TMPSH >> $logfile 2>&1; then
2744 cat <<EOF
2745 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2746 variable to another directory and make sure that it is not mounted noexec.
2747 EOF
2748 die "Sanity test failed."
2749 fi
2750
2751 armasm_flags(){
2752 for flag; do
2753 case $flag in
2754 # Filter out MSVC cl.exe options from cflags that shouldn't
2755 # be passed to gas-preprocessor
2756 -M[TD]*) ;;
2757 *) echo $flag ;;
2758 esac
2759 done
2760 }
2761
2762 ccc_flags(){
2763 for flag; do
2764 case $flag in
2765 -std=c99) echo -c99 ;;
2766 -mcpu=*) echo -arch ${flag#*=} ;;
2767 -mieee) echo -ieee ;;
2768 -O*|-fast) echo $flag ;;
2769 -fno-math-errno) echo -assume nomath_errno ;;
2770 -g) echo -g3 ;;
2771 -Wall) echo -msg_enable level2 ;;
2772 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2773 -Wl,*) echo $flag ;;
2774 -f*|-W*) ;;
2775 *) echo $flag ;;
2776 esac
2777 done
2778 }
2779
2780 cparser_flags(){
2781 for flag; do
2782 case $flag in
2783 -Wno-switch) echo -Wno-switch-enum ;;
2784 -Wno-format-zero-length) ;;
2785 -Wdisabled-optimization) ;;
2786 -Wno-pointer-sign) echo -Wno-other ;;
2787 *) echo $flag ;;
2788 esac
2789 done
2790 }
2791
2792 msvc_common_flags(){
2793 for flag; do
2794 case $flag in
2795 # In addition to specifying certain flags under the compiler
2796 # specific filters, they must be specified here as well or else the
2797 # generic catch all at the bottom will print the original flag.
2798 -Wall) ;;
2799 -std=c99) ;;
2800 # Common flags
2801 -fomit-frame-pointer) ;;
2802 -g) echo -Z7 ;;
2803 -fno-math-errno) ;;
2804 -fno-common) ;;
2805 -fno-signed-zeros) ;;
2806 -fPIC) ;;
2807 -mthumb) ;;
2808 -march=*) ;;
2809 -lz) echo zlib.lib ;;
2810 -lavifil32) echo vfw32.lib ;;
2811 -lavicap32) echo vfw32.lib user32.lib ;;
2812 -l*) echo ${flag#-l}.lib ;;
2813 -L*) echo -libpath:${flag#-L} ;;
2814 *) echo $flag ;;
2815 esac
2816 done
2817 }
2818
2819 msvc_flags(){
2820 msvc_common_flags "$@"
2821 for flag; do
2822 case $flag in
2823 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2824 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2825 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2826 -wd4273 -wd4554 -wd4701 ;;
2827 esac
2828 done
2829 }
2830
2831 icl_flags(){
2832 msvc_common_flags "$@"
2833 for flag; do
2834 case $flag in
2835 # Despite what Intel's documentation says -Wall, which is supported
2836 # on Windows, does enable remarks so disable them here.
2837 -Wall) echo $flag -Qdiag-disable:remark ;;
2838 -std=c99) echo -Qstd=c99 ;;
2839 esac
2840 done
2841 }
2842
2843 pgi_flags(){
2844 for flag; do
2845 case $flag in
2846 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2847 -fomit-frame-pointer) echo -Mnoframe ;;
2848 -g) echo -gopt ;;
2849 *) echo $flag ;;
2850 esac
2851 done
2852 }
2853
2854 suncc_flags(){
2855 for flag; do
2856 case $flag in
2857 -march=*|-mcpu=*)
2858 case "${flag#*=}" in
2859 native) echo -xtarget=native ;;
2860 v9|niagara) echo -xarch=sparc ;;
2861 ultrasparc) echo -xarch=sparcvis ;;
2862 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2863 i586|pentium) echo -xchip=pentium ;;
2864 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2865 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2866 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2867 pentium4*) echo -xtarget=pentium4 ;;
2868 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2869 *-sse3) echo -xarch=sse3 ;;
2870 core2) echo -xarch=ssse3 -xchip=core2 ;;
2871 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2872 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2873 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
2874 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2875 k8|opteron|athlon64|athlon-fx)
2876 echo -xarch=sse2a ;;
2877 athlon*) echo -xarch=pentium_proa ;;
2878 esac
2879 ;;
2880 -std=c99) echo -xc99 ;;
2881 -fomit-frame-pointer) echo -xregs=frameptr ;;
2882 -fPIC) echo -KPIC -xcode=pic32 ;;
2883 -W*,*) echo $flag ;;
2884 -f*-*|-W*|-mimpure-text) ;;
2885 -shared) echo -G ;;
2886 *) echo $flag ;;
2887 esac
2888 done
2889 }
2890
2891 tms470_flags(){
2892 for flag; do
2893 case $flag in
2894 -march=*|-mcpu=*)
2895 case "${flag#*=}" in
2896 armv7-a|cortex-a*) echo -mv=7a8 ;;
2897 armv7-r|cortex-r*) echo -mv=7r4 ;;
2898 armv7-m|cortex-m*) echo -mv=7m3 ;;
2899 armv6*|arm11*) echo -mv=6 ;;
2900 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2901 echo -mv=5e ;;
2902 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2903 esac
2904 ;;
2905 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2906 -mfpu=vfp) echo --float_support=vfpv2 ;;
2907 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2908 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
2909 -msoft-float) echo --float_support=vfplib ;;
2910 -O[0-3]|-mf=*) echo $flag ;;
2911 -g) echo -g -mn ;;
2912 -pds=*) echo $flag ;;
2913 -D*|-I*) echo $flag ;;
2914 --gcc|--abi=*) echo $flag ;;
2915 -me) echo $flag ;;
2916 esac
2917 done
2918 }
2919
2920 probe_cc(){
2921 pfx=$1
2922 _cc=$2
2923
2924 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2925 unset _ld_o _ldflags _ld_lib _ld_path
2926 unset _depflags _DEPCMD _DEPFLAGS
2927 _flags_filter=echo
2928
2929 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2930 _type=llvm_gcc
2931 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2932 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2933 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2934 _cflags_speed='-O3'
2935 _cflags_size='-Os'
2936 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2937 _type=gcc
2938 gcc_version=$($_cc --version | head -n1)
2939 gcc_basever=$($_cc -dumpversion)
2940 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2941 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2942 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2943 if ! $_cc -dumpversion | grep -q '^2\.'; then
2944 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2945 fi
2946 _cflags_speed='-O3'
2947 _cflags_size='-Os'
2948 elif $_cc --version 2>/dev/null | grep -q ^icc; then
2949 _type=icc
2950 _ident=$($_cc --version | head -n1)
2951 _depflags='-MMD'
2952 _cflags_speed='-O3'
2953 _cflags_size='-Os'
2954 _cflags_noopt='-O1'
2955 elif $_cc -v 2>&1 | grep -q xlc; then
2956 _type=xlc
2957 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2958 _cflags_speed='-O5'
2959 _cflags_size='-O5 -qcompact'
2960 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2961 _type=ccc
2962 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2963 _DEPFLAGS='-M'
2964 _cflags_speed='-fast'
2965 _cflags_size='-O1'
2966 _flags_filter=ccc_flags
2967 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
2968 test -d "$sysroot" || die "No valid sysroot specified."
2969 _type=armcc
2970 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
2971 armcc_conf="$PWD/armcc.conf"
2972 $_cc --arm_linux_configure \
2973 --arm_linux_config_file="$armcc_conf" \
2974 --configure_sysroot="$sysroot" \
2975 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2976 die "Error creating armcc configuration file."
2977 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2978 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2979 as_default="${cross_prefix}gcc"
2980 _depflags='-MMD'
2981 _cflags_speed='-O3'
2982 _cflags_size='-Os'
2983 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2984 _type=tms470
2985 _ident=$($_cc -version | head -n1 | tr -s ' ')
2986 _flags='--gcc --abi=eabi -me'
2987 _cc_e='-ppl -fe=$@'
2988 _cc_o='-fe=$@'
2989 _depflags='-ppa -ppd=$(@:.o=.d)'
2990 _cflags_speed='-O3 -mf=5'
2991 _cflags_size='-O3 -mf=2'
2992 _flags_filter=tms470_flags
2993 elif $_cc -v 2>&1 | grep -q clang; then
2994 _type=clang
2995 _ident=$($_cc --version | head -n1)
2996 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2997 _cflags_speed='-O3'
2998 _cflags_size='-Os'
2999 elif $_cc -V 2>&1 | grep -q Sun; then
3000 _type=suncc
3001 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3002 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3003 _DEPFLAGS='-xM1 -xc99'
3004 _ldflags='-std=c99'
3005 _cflags_speed='-O5'
3006 _cflags_size='-O5 -xspace'
3007 _flags_filter=suncc_flags
3008 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3009 _type=pathscale
3010 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3011 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3012 _cflags_speed='-O2'
3013 _cflags_size='-Os'
3014 _flags_filter='filter_out -Wdisabled-optimization'
3015 elif $_cc -v 2>&1 | grep -q Open64; then
3016 _type=open64
3017 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3018 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3019 _cflags_speed='-O2'
3020 _cflags_size='-Os'
3021 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3022 elif $_cc -V 2>&1 | grep -q Portland; then
3023 _type=pgi
3024 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3025 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3026 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3027 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3028 _cflags_noopt="-O1"
3029 _flags_filter=pgi_flags
3030 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3031 _type=armasm
3032 _ident=$($_cc | head -n1)
3033 # 4509: "This form of conditional instruction is deprecated"
3034 _flags="-nologo -ignore 4509"
3035 _flags_filter=armasm_flags
3036 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3037 _type=msvc
3038 _ident=$($_cc 2>&1 | head -n1)
3039 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3040 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3041 _cflags_speed="-O2"
3042 _cflags_size="-O1"
3043 if $_cc -nologo- 2>&1 | grep -q Linker; then
3044 _ld_o='-out:$@'
3045 else
3046 _ld_o='-Fe$@'
3047 fi
3048 _cc_o='-Fo$@'
3049 _cc_e='-P -Fi$@'
3050 _flags_filter=msvc_flags
3051 _ld_lib='lib%.a'
3052 _ld_path='-libpath:'
3053 _flags='-nologo'
3054 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3055 elif $_cc 2>&1 | grep -q Intel; then
3056 _type=icl
3057 _ident=$($_cc 2>&1 | head -n1)
3058 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3059 # Not only is O3 broken on 13.x+ but it is slower on all previous
3060 # versions (tested) as well.
3061 _cflags_speed="-O2"
3062 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3063 if $_cc 2>&1 | grep -q Linker; then
3064 _ld_o='-out:$@'
3065 else
3066 _ld_o='-Fe$@'
3067 fi
3068 _cc_o='-Fo$@'
3069 _cc_e='-P'
3070 _flags_filter=icl_flags
3071 _ld_lib='lib%.a'
3072 _ld_path='-libpath:'
3073 # -Qdiag-error to make icl error when seeing certain unknown arguments
3074 _flags='-nologo -Qdiag-error:4044,10157'
3075 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3076 # with MSVC which enables it by default.
3077 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
3078 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3079 _type=cparser
3080 _ident=$($_cc --version | head -n1)
3081 _depflags='-MMD'
3082 _cflags_speed='-O4'
3083 _cflags_size='-O2'
3084 _flags_filter=cparser_flags
3085 fi
3086
3087 eval ${pfx}_type=\$_type
3088 eval ${pfx}_ident=\$_ident
3089 }
3090
3091 set_ccvars(){
3092 eval ${1}_C=\${_cc_c-\${${1}_C}}
3093 eval ${1}_E=\${_cc_e-\${${1}_E}}
3094 eval ${1}_O=\${_cc_o-\${${1}_O}}
3095
3096 if [ -n "$_depflags" ]; then
3097 eval ${1}_DEPFLAGS=\$_depflags
3098 else
3099 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3100 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3101 eval DEP${1}FLAGS=\$_flags
3102 fi
3103 }
3104
3105 probe_cc cc "$cc"
3106 cflags_filter=$_flags_filter
3107 cflags_speed=$_cflags_speed
3108 cflags_size=$_cflags_size
3109 cflags_noopt=$_cflags_noopt
3110 add_cflags $_flags $_cflags
3111 cc_ldflags=$_ldflags
3112 set_ccvars CC
3113
3114 probe_cc hostcc "$host_cc"
3115 host_cflags_filter=$_flags_filter
3116 add_host_cflags $_flags $_cflags
3117 set_ccvars HOSTCC
3118
3119 test -n "$cc_type" && enable $cc_type ||
3120 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3121
3122 : ${as_default:=$cc}
3123 : ${dep_cc_default:=$cc}
3124 : ${ld_default:=$cc}
3125 : ${host_ld_default:=$host_cc}
3126 set_default ar as dep_cc ld host_ld
3127
3128 probe_cc as "$as"
3129 asflags_filter=$_flags_filter
3130 add_asflags $_flags $_cflags
3131 set_ccvars AS
3132
3133 probe_cc ld "$ld"
3134 ldflags_filter=$_flags_filter
3135 add_ldflags $_flags $_ldflags
3136 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3137 LD_O=${_ld_o-$LD_O}
3138 LD_LIB=${_ld_lib-$LD_LIB}
3139 LD_PATH=${_ld_path-$LD_PATH}
3140
3141 probe_cc hostld "$host_ld"
3142 host_ldflags_filter=$_flags_filter
3143 add_host_ldflags $_flags $_ldflags
3144 HOSTLD_O=${_ld_o-$HOSTLD_O}
3145
3146 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3147 probe_cc depcc "$dep_cc"
3148 CCDEP=${_DEPCMD:-$DEPCMD}
3149 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3150 DEPCCFLAGS=$_flags
3151 fi
3152
3153 if $ar 2>&1 | grep -q Microsoft; then
3154 arflags="-nologo"
3155 ar_o='-out:$@'
3156 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3157 arflags="rq"
3158 ar_o='$@'
3159 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3160 arflags='-Xany -r -c'
3161 ar_o='$@'
3162 else
3163 arflags="rc"
3164 ar_o='$@'
3165 fi
3166
3167 add_cflags $extra_cflags
3168 add_asflags $extra_cflags
3169
3170 if test -n "$sysroot"; then
3171 case "$cc_type" in
3172 gcc|llvm_gcc|clang)
3173 add_cppflags --sysroot="$sysroot"
3174 add_ldflags --sysroot="$sysroot"
3175 ;;
3176 tms470)
3177 add_cppflags -I"$sysinclude"
3178 add_ldflags --sysroot="$sysroot"
3179 ;;
3180 esac
3181 fi
3182
3183 if test "$cpu" = host; then
3184 enabled cross_compile &&
3185 die "--cpu=host makes no sense when cross-compiling."
3186
3187 case "$cc_type" in
3188 gcc|llvm_gcc)
3189 check_native(){
3190 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3191 sed -n "/cc1.*$1=/{
3192 s/.*$1=\\([^ ]*\\).*/\\1/
3193 p
3194 q
3195 }" $TMPE
3196 }
3197 cpu=$(check_native -march || check_native -mcpu)
3198 ;;
3199 esac
3200
3201 test "${cpu:-host}" = host &&
3202 die "--cpu=host not supported with compiler $cc"
3203 fi
3204
3205 # Deal with common $arch aliases
3206 case "$arch" in
3207 aarch64|arm64)
3208 arch="aarch64"
3209 ;;
3210 arm*)
3211 arch="arm"
3212 ;;
3213 mips*|IP*)
3214 arch="mips"
3215 ;;
3216 parisc*|hppa*)
3217 arch="parisc"
3218 ;;
3219 "Power Macintosh"|ppc*|powerpc*)
3220 arch="ppc"
3221 ;;
3222 s390|s390x)
3223 arch="s390"
3224 ;;
3225 sh4|sh)
3226 arch="sh4"
3227 ;;
3228 sun4u|sparc*)
3229 arch="sparc"
3230 ;;
3231 tilegx|tile-gx)
3232 arch="tilegx"
3233 ;;
3234 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3235 arch="x86"
3236 ;;
3237 esac
3238
3239 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3240 enable $arch
3241
3242 # Add processor-specific flags
3243 if enabled aarch64; then
3244
3245 case $cpu in
3246 armv*)
3247 cpuflags="-march=$cpu"
3248 ;;
3249 *)
3250 cpuflags="-mcpu=$cpu"
3251 ;;
3252 esac
3253
3254 elif enabled alpha; then
3255
3256 cpuflags="-mcpu=$cpu"
3257
3258 elif enabled arm; then
3259
3260 check_arm_arch() {
3261 check_cpp_condition stddef.h \
3262 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3263 $cpuflags
3264 }
3265
3266 probe_arm_arch() {
3267 if check_arm_arch 4; then echo armv4;
3268 elif check_arm_arch 4T; then echo armv4t;
3269 elif check_arm_arch 5; then echo armv5;
3270 elif check_arm_arch 5E; then echo armv5e;
3271 elif check_arm_arch 5T; then echo armv5t;
3272 elif check_arm_arch 5TE; then echo armv5te;
3273 elif check_arm_arch 5TEJ; then echo armv5te;
3274 elif check_arm_arch 6; then echo armv6;
3275 elif check_arm_arch 6J; then echo armv6j;
3276 elif check_arm_arch 6K; then echo armv6k;
3277 elif check_arm_arch 6Z; then echo armv6z;
3278 elif check_arm_arch 6ZK; then echo armv6zk;
3279 elif check_arm_arch 6T2; then echo armv6t2;
3280 elif check_arm_arch 7; then echo armv7;
3281 elif check_arm_arch 7A 7_A; then echo armv7-a;
3282 elif check_arm_arch 7S; then echo armv7-a;
3283 elif check_arm_arch 7R 7_R; then echo armv7-r;
3284 elif check_arm_arch 7M 7_M; then echo armv7-m;
3285 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3286 elif check_arm_arch 8A 8_A; then echo armv8-a;
3287 fi
3288 }
3289
3290 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3291
3292 case $cpu in
3293 armv*)
3294 cpuflags="-march=$cpu"
3295 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3296 ;;
3297 *)
3298 cpuflags="-mcpu=$cpu"
3299 case $cpu in
3300 cortex-a*) subarch=armv7a ;;
3301 cortex-r*) subarch=armv7r ;;
3302 cortex-m*) enable thumb; subarch=armv7m ;;
3303 arm11*) subarch=armv6 ;;
3304 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3305 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3306 *) subarch=$(probe_arm_arch) ;;
3307 esac
3308 ;;
3309 esac
3310
3311 case "$subarch" in
3312 armv5t*) enable fast_clz ;;
3313 armv[6-8]*) enable fast_clz fast_unaligned ;;
3314 esac
3315
3316 elif enabled avr32; then
3317
3318 case $cpu in
3319 ap7[02]0[0-2])
3320 subarch="avr32_ap"
3321 cpuflags="-mpart=$cpu"
3322 ;;
3323 ap)
3324 subarch="avr32_ap"
3325 cpuflags="-march=$cpu"
3326 ;;
3327 uc3[ab]*)
3328 subarch="avr32_uc"
3329 cpuflags="-mcpu=$cpu"
3330 ;;
3331 uc)
3332 subarch="avr32_uc"
3333 cpuflags="-march=$cpu"
3334 ;;
3335 esac
3336
3337 elif enabled bfin; then
3338
3339 cpuflags="-mcpu=$cpu"
3340
3341 elif enabled mips; then
3342
3343 cpuflags="-march=$cpu"
3344
3345 elif enabled ppc; then
3346
3347 disable ldbrx
3348
3349 case $(tolower $cpu) in
3350 601|ppc601|powerpc601)
3351 cpuflags="-mcpu=601"
3352 disable altivec
3353 ;;
3354 603*|ppc603*|powerpc603*)
3355 cpuflags="-mcpu=603"
3356 disable altivec
3357 ;;
3358 604*|ppc604*|powerpc604*)
3359 cpuflags="-mcpu=604"
3360 disable altivec
3361 ;;
3362 g3|75*|ppc75*|powerpc75*)
3363 cpuflags="-mcpu=750"
3364 disable altivec
3365 ;;
3366 g4|745*|ppc745*|powerpc745*)
3367 cpuflags="-mcpu=7450"
3368 disable vsx
3369 ;;
3370 74*|ppc74*|powerpc74*)
3371 cpuflags="-mcpu=7400"
3372 disable vsx
3373 ;;
3374 g5|970|ppc970|powerpc970)
3375 cpuflags="-mcpu=970"
3376 disable vsx
3377 ;;
3378 power[3-6]*)
3379 cpuflags="-mcpu=$cpu"
3380 disable vsx
3381 ;;
3382 power[7-8]*)
3383 cpuflags="-mcpu=$cpu"
3384 enable ldbrx
3385 ;;
3386 cell)
3387 cpuflags="-mcpu=cell"
3388 enable ldbrx
3389 disable vsx
3390 ;;
3391 e500mc)
3392 cpuflags="-mcpu=e500mc"
3393 disable altivec
3394 ;;
3395 e500v2)
3396 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3397 disable altivec
3398 disable dcbzl
3399 ;;
3400 e500)
3401 cpuflags="-mcpu=8540 -mhard-float"
3402 disable altivec
3403 disable dcbzl
3404 ;;
3405 esac
3406
3407 elif enabled sparc; then
3408
3409 case $cpu in
3410 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3411 cpuflags="-mcpu=$cpu"
3412 ;;
3413 ultrasparc*|niagara[234])
3414 cpuflags="-mcpu=$cpu"
3415 ;;
3416 esac
3417
3418 elif enabled x86; then
3419
3420 case $cpu in
3421 i[345]86|pentium)
3422 cpuflags="-march=$cpu"
3423 disable i686
3424 disable mmx
3425 ;;
3426 # targets that do NOT support nopl and conditional mov (cmov)
3427 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3428 cpuflags="-march=$cpu"
3429 disable i686
3430 ;;
3431 # targets that do support nopl and conditional mov (cmov)
3432 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3433 cpuflags="-march=$cpu"
3434 enable i686
3435 enable fast_cmov
3436 ;;
3437 # targets that do support conditional mov but on which it's slow
3438 pentium4|pentium4m|prescott|nocona)
3439 cpuflags="-march=$cpu"
3440 enable i686
3441 disable fast_cmov
3442 ;;
3443 esac
3444
3445 fi
3446
3447 if [ "$cpu" != generic ]; then
3448 add_cflags $cpuflags
3449 add_asflags $cpuflags
3450 fi
3451
3452 # compiler sanity check
3453 check_exec <<EOF
3454 int main(void){ return 0; }
3455 EOF
3456 if test "$?" != 0; then
3457 echo "$cc is unable to create an executable file."
3458 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3459 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3460 echo "Only do this if you know what cross compiling means."
3461 fi
3462 die "C compiler test failed."
3463 fi
3464
3465 add_cppflags -D_ISOC99_SOURCE
3466 check_cflags -std=c99
3467 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3468 #include <stdlib.h>
3469 EOF
3470 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3471 #include <stdlib.h>
3472 EOF
3473
3474 add_host_cppflags -D_ISOC99_SOURCE
3475 check_host_cflags -std=c99
3476 check_host_cflags -Wall
3477 check_host_cflags -O3
3478
3479 check_64bit(){
3480 arch32=$1
3481 arch64=$2
3482 expr=$3
3483 check_code cc "" "int test[2*($expr) - 1]" &&
3484 subarch=$arch64 || subarch=$arch32
3485 }
3486
3487 case "$arch" in
3488 aarch64|alpha|ia64)
3489 spic=$shared
3490 ;;
3491 mips)
3492 check_64bit mips mips64 '_MIPS_SIM > 1'
3493 spic=$shared
3494 ;;
3495 parisc)
3496 check_64bit parisc parisc64 'sizeof(void *) > 4'
3497 spic=$shared
3498 ;;
3499 ppc)
3500 check_64bit ppc ppc64 'sizeof(void *) > 4'
3501 spic=$shared
3502 ;;
3503 s390)
3504 check_64bit s390 s390x 'sizeof(void *) > 4'
3505 spic=$shared
3506 ;;
3507 sparc)
3508 check_64bit sparc sparc64 'sizeof(void *) > 4'
3509 spic=$shared
3510 ;;
3511 x86)
3512 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3513 if test "$subarch" = "x86_64"; then
3514 spic=$shared
3515 fi
3516 ;;
3517 esac
3518
3519 enable $subarch
3520 enabled spic && enable_weak pic
3521
3522 # OS specific
3523 case $target_os in
3524 aix)
3525 SHFLAGS=-shared
3526 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3527 enabled shared && add_ldflags -Wl,-brtl
3528 ;;
3529 android)
3530 disable symver
3531 enable section_data_rel_ro
3532 SLIB_INSTALL_NAME='$(SLIBNAME)'
3533 SLIB_INSTALL_LINKS=
3534 # soname not set on purpose
3535 SHFLAGS=-shared
3536 ;;
3537 haiku)
3538 prefix_default="/boot/common"
3539 network_extralibs="-lnetwork"
3540 host_libs=
3541 ;;
3542 sunos)
3543 SHFLAGS='-shared -Wl,-h,$$(@F)'
3544 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3545 network_extralibs="-lsocket -lnsl"
3546 # When using suncc to build, the Solaris linker will mark
3547 # an executable with each instruction set encountered by
3548 # the Solaris assembler. As our libraries contain their own
3549 # guards for processor-specific code, instead suppress
3550 # generation of the HWCAPS ELF section on Solaris x86 only.
3551 enabled_all suncc x86 &&
3552 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3553 add_ldflags -Wl,-M,mapfile
3554 nm_default='nm -P -g'
3555 ;;
3556 netbsd)
3557 disable symver
3558 oss_indev_extralibs="-lossaudio"
3559 oss_outdev_extralibs="-lossaudio"
3560 ;;
3561 openbsd|bitrig)
3562 disable symver
3563 SHFLAGS='-shared'
3564 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3565 SLIB_INSTALL_LINKS=
3566 oss_indev_extralibs="-lossaudio"
3567 oss_outdev_extralibs="-lossaudio"
3568 ;;
3569 dragonfly)
3570 disable symver
3571 ;;
3572 freebsd)
3573 ;;
3574 bsd/os)
3575 add_extralibs -lpoll -lgnugetopt
3576 ;;
3577 darwin)
3578 enabled ppc && add_asflags -force_cpusubtype_ALL
3579 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3580 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3581 add_ldflags -Wl,-dynamic,-search_paths_first
3582 SLIBSUF=".dylib"
3583 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3584 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3585 objformat="macho"
3586 enabled x86_64 && objformat="macho64"
3587 enabled_any pic shared ||
3588 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3589 ;;
3590 mingw32*)
3591 if test $target_os = "mingw32ce"; then
3592 disable network
3593 else
3594 target_os=mingw32
3595 fi
3596 LIBTARGET=i386
3597 if enabled x86_64; then
3598 LIBTARGET="i386:x86-64"
3599 elif enabled arm; then
3600 LIBTARGET=arm-wince
3601 fi
3602 check_ldflags -Wl,--nxcompat
3603 check_ldflags -Wl,--dynamicbase
3604 shlibdir_default="$bindir_default"
3605 SLIBPREF=""
3606 SLIBSUF=".dll"
3607 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3608 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3609 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3610 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3611 SLIB_INSTALL_LINKS=
3612 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3613 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3614 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3615 objformat="win32"
3616 dlltool="${cross_prefix}dlltool"
3617 ranlib=:
3618 enable dos_paths
3619 ;;
3620 win32|win64)
3621 disable symver
3622 if enabled shared; then
3623 # Link to the import library instead of the normal static library
3624 # for shared libs.
3625 LD_LIB='%.lib'
3626 # Cannot build both shared and static libs with MSVC or icl.
3627 disable static
3628 fi
3629 shlibdir_default="$bindir_default"
3630 SLIBPREF=""
3631 SLIBSUF=".dll"
3632 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3633 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3634 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3635 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3636 SLIB_INSTALL_LINKS=
3637 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3638 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3639 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3640 objformat="win32"
3641 ranlib=:
3642 enable dos_paths
3643 ;;
3644 cygwin*)
3645 target_os=cygwin
3646 shlibdir_default="$bindir_default"
3647 SLIBPREF="cyg"
3648 SLIBSUF=".dll"
3649 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3650 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3651 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3652 SLIB_INSTALL_LINKS=
3653 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3654 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3655 objformat="win32"
3656 enable dos_paths
3657 ;;
3658 *-dos|freedos|opendos)
3659 network_extralibs="-lsocket"
3660 objformat="coff"
3661 enable dos_paths
3662 add_cppflags -U__STRICT_ANSI__
3663 ;;
3664 linux)
3665 enable dv1394
3666 enable section_data_rel_ro
3667 ;;
3668 irix*)
3669 target_os=irix
3670 ranlib="echo ignoring ranlib"
3671 ;;
3672 os/2*)
3673 ln_s="cp -f"
3674 objformat="aout"
3675 add_cppflags -D_GNU_SOURCE
3676 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3677 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3678 LIBSUF="_s.a"
3679 SLIBPREF=""
3680 SLIBSUF=".dll"
3681 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3682 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3683 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3684 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3685 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3686 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3687 emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'
3688 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3689 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3690 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3691 enable dos_paths
3692 ;;
3693 gnu/kfreebsd)
3694 add_cppflags -D_BSD_SOURCE
3695 ;;
3696 gnu)
3697 ;;
3698 qnx)
3699 add_cppflags -D_QNX_SOURCE
3700 network_extralibs="-lsocket"
3701 ;;
3702 symbian)
3703 SLIBSUF=".dll"
3704 enable dos_paths
3705 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3706 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3707 add_ldflags -Wl,--target1-abs,--no-undefined \
3708 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3709 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3710 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3711 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3712 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3713 ;;
3714 osf1)
3715 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3716 ;;
3717 minix)
3718 ;;
3719 plan9)
3720 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3721 -D_REENTRANT_SOURCE \
3722 -D_RESEARCH_SOURCE \
3723 -DFD_SETSIZE=96 \
3724 -DHAVE_SOCK_OPTS
3725 add_compat strtod.o strtod=avpriv_strtod
3726 network_extralibs='-lbsd'
3727 exeobjs=compat/plan9/main.o
3728 cp_f='cp'
3729 ;;
3730 none)
3731 ;;
3732 *)
3733 die "Unknown OS '$target_os'."
3734 ;;
3735 esac
3736
3737 # determine libc flavour
3738
3739 probe_libc(){
3740 pfx=$1
3741 pfx_no_=${pfx%_}
3742 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3743 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
3744 eval ${pfx}libc_type=uclibc
3745 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3746 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
3747 eval ${pfx}libc_type=glibc
3748 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3749 # MinGW headers can be installed on Cygwin, so check for newlib first.
3750 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3751 eval ${pfx}libc_type=newlib
3752 add_${pfx}cppflags -U__STRICT_ANSI__
3753 # MinGW64 is backwards compatible with MinGW32, so check for it first.
3754 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
3755 eval ${pfx}libc_type=mingw64
3756 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3757 eval test \$${pfx_no_}cc_type = "gcc" &&
3758 add_${pfx}cppflags -D__printf__=__gnu_printf__
3759 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
3760 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
3761 eval ${pfx}libc_type=mingw32
3762 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
3763 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3764 die "ERROR: MinGW32 runtime version must be >= 3.15."
3765 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3766 eval test \$${pfx_no_}cc_type = "gcc" &&
3767 add_${pfx}cppflags -D__printf__=__gnu_printf__
3768 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
3769 eval ${pfx}libc_type=msvcrt
3770 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
3771 if [ "$pfx" = host_ ]; then
3772 add_host_cppflags -Dsnprintf=_snprintf
3773 else
3774 add_compat strtod.o strtod=avpriv_strtod
3775 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3776 _snprintf=avpriv_snprintf \
3777 vsnprintf=avpriv_vsnprintf
3778 fi
3779 fi
3780 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3781 # 0x601 by default unless something else is set by the user.
3782 # This can easily lead to us detecting functions only present
3783 # in such new versions and producing binaries requiring windows 7.0.
3784 # Therefore explicitly set the default to XP unless the user has
3785 # set something else on the command line.
3786 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
3787 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
3788 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
3789 eval ${pfx}libc_type=klibc
3790 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3791 eval ${pfx}libc_type=bionic
3792 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
3793 eval ${pfx}libc_type=solaris
3794 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3795 else
3796 eval ${pfx}libc_type=default
3797 add_${pfx}cppflags -D_DEFAULT_SOURCE
3798 fi
3799 }
3800
3801 probe_libc
3802 test -n "$libc_type" && enable libc_$libc_type
3803 probe_libc host_
3804 test -n "$host_libc_type" && enable host_libc_$host_libc_type
3805
3806 case $libc_type in
3807 bionic)
3808 add_compat strtod.o strtod=avpriv_strtod
3809 ;;
3810 esac
3811
3812 # hacks for compiler/libc/os combinations
3813
3814 if enabled_all tms470 libc_glibc; then
3815 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3816 add_cppflags -D__USER_LABEL_PREFIX__=
3817 add_cppflags -D__builtin_memset=memset
3818 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3819 add_cflags -pds=48 # incompatible redefinition of macro
3820 fi
3821
3822 if enabled_all ccc libc_glibc; then
3823 add_ldflags -Wl,-z,now # calls to libots crash without this
3824 fi
3825
3826 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
3827 add_cppflags '-I\$(SRC_PATH)/compat/float'
3828
3829 esc(){
3830 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3831 }
3832
3833 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
3834
3835 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
3836
3837 set_default $PATHS_LIST
3838 set_default nm
3839
3840 # we need to build at least one lib type
3841 if ! enabled_any static shared; then
3842 cat <<EOF
3843 At least one library type must be built.
3844 Specify --enable-static to build the static libraries or --enable-shared to
3845 build the shared libraries as well. To only build the shared libraries specify
3846 --disable-static in addition to --enable-shared.
3847 EOF
3848 exit 1;
3849 fi
3850
3851 die_license_disabled() {
3852 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3853 }
3854
3855 die_license_disabled gpl libcdio
3856 die_license_disabled gpl libx264
3857 die_license_disabled gpl libx265
3858 die_license_disabled gpl libxavs
3859 die_license_disabled gpl libxvid
3860 die_license_disabled gpl x11grab
3861
3862 die_license_disabled nonfree libfaac
3863 die_license_disabled nonfree libfdk_aac
3864 die_license_disabled nonfree nvenc
3865 die_license_disabled nonfree openssl
3866
3867 die_license_disabled version3 libopencore_amrnb
3868 die_license_disabled version3 libopencore_amrwb
3869 die_license_disabled version3 libvo_aacenc
3870 die_license_disabled version3 libvo_amrwbenc
3871
3872 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3873
3874 disabled optimizations || check_cflags -fomit-frame-pointer
3875
3876 enable_weak_pic() {
3877 disabled pic && return
3878 enable pic
3879 add_cppflags -DPIC
3880 case "$target_os" in
3881 mingw*|cygwin*)
3882 ;;
3883 *)
3884 add_cflags -fPIC
3885 ;;
3886 esac
3887 add_asflags -fPIC
3888 }
3889
3890 enabled pic && enable_weak_pic
3891
3892 check_cc <<EOF || die "Symbol mangling check failed."
3893 int ff_extern;
3894 EOF
3895 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3896 extern_prefix=${sym%%ff_extern*}
3897
3898 check_cc <<EOF && enable_weak inline_asm
3899 void foo(void) { __asm__ volatile ("" ::); }
3900 EOF
3901
3902 _restrict=
3903 for restrict_keyword in restrict __restrict__ __restrict; do
3904 check_cc <<EOF && _restrict=$restrict_keyword && break
3905 void foo(char * $restrict_keyword p);
3906 EOF
3907 done
3908
3909 check_cc <<EOF && enable pragma_deprecated
3910 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
3911 EOF
3912
3913 check_cc <<EOF && enable attribute_packed
3914 struct { int x; } __attribute__((packed)) x;
3915 EOF
3916
3917 check_cc <<EOF && enable attribute_may_alias
3918 union { int x; } __attribute__((may_alias)) x;
3919 EOF
3920
3921 check_cc <<EOF || die "endian test failed"
3922 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3923 EOF
3924 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3925
3926 check_gas() {
3927 log "check_gas using '$as' as AS"
3928 # :vararg is used on aarch64, arm and ppc altivec
3929 check_as <<EOF || return 1
3930 .macro m n, y:vararg=0
3931 \n: .int \y
3932 .endm
3933 m x
3934 EOF
3935 # .altmacro is only used in arm asm
3936 ! enabled arm || check_as <<EOF || return 1
3937 .altmacro
3938 EOF
3939 enable gnu_as
3940 return 0
3941 }
3942
3943 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
3944 nogas=:
3945 enabled_any arm aarch64 && nogas=die
3946 enabled_all ppc altivec && nogas=warn
3947 as_noop=-v
3948
3949 case $as_type in
3950 arm*) gaspp_as_type=armasm; as_noop=-h ;;
3951 gcc) gaspp_as_type=gas ;;
3952 *) gaspp_as_type=$as_type ;;
3953 esac
3954
3955 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
3956
3957 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- $as $as_noop &&
3958 gas="gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- $as"
3959
3960 if ! check_gas ; then
3961 as=${gas:=$as}
3962 check_gas || \
3963 $nogas "GNU assembler not found, install/update gas-preprocessor"
3964 fi
3965
3966 check_as <<EOF && enable as_func
3967 .func test
3968 .endfunc
3969 EOF
3970 fi
3971
3972 check_inline_asm inline_asm_labels '"1:\n"'
3973
3974 if enabled aarch64; then
3975 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
3976 # internal assembler in clang 3.3 does not support this instruction
3977 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
3978 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
3979
3980 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
3981
3982 elif enabled alpha; then
3983
3984 check_cflags -mieee
3985
3986 elif enabled arm; then
3987
3988 check_cpp_condition stddef.h "defined __thumb__" && enable_weak thumb
3989 enabled thumb && check_cflags -mthumb || check_cflags -marm
3990
3991 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3992 enable vfp_args
3993 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3994 case "${cross_prefix:-$cc}" in
3995 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3996 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3997 __asm__ (".eabi_attribute 28, 1");
3998 int main(void) { return 0; }
3999 EOF
4000 esac
4001 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4002 fi
4003
4004 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4005 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4006 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4007 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4008 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4009 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4010
4011 [ $target_os = linux ] || [ $target_os = android ] ||
4012 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4013 $ARCH_EXT_LIST_ARM
4014
4015 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4016
4017 check_as <<EOF && enable as_dn_directive
4018 ra .dn d0.i16
4019 .unreq ra
4020 EOF
4021
4022 # llvm's integrated assembler supports .object_arch from llvm 3.5
4023 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
4024 .object_arch armv4
4025 EOF
4026
4027 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4028
4029 elif enabled mips; then
4030
4031 check_inline_asm loongson '"dmult.g $1, $2, $3"'
4032
4033 elif enabled parisc; then
4034
4035 if enabled gcc; then
4036 case $($cc -dumpversion) in
4037 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
4038 esac
4039 fi
4040
4041 elif enabled ppc; then
4042
4043 enable local_aligned_8 local_aligned_16
4044
4045 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4046 check_inline_asm ibm_asm '"add 0, 0, 0"'
4047 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4048 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4049
4050 # AltiVec flags: The FSF version of GCC differs from the Apple version
4051 if enabled altivec; then
4052 check_cflags -maltivec -mabi=altivec &&
4053 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4054 check_cflags -faltivec
4055
4056 # check if our compiler supports Motorola AltiVec C API
4057 check_cc <<EOF || disable altivec
4058 $inc_altivec_h
4059 int main(void) {
4060 vector signed int v1 = (vector signed int) { 0 };
4061 vector signed int v2 = (vector signed int) { 1 };
4062 v1 = vec_add(v1, v2);
4063 return 0;
4064 }
4065 EOF
4066
4067 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4068 fi
4069
4070 if enabled vsx; then
4071 check_cflags -mvsx &&
4072 check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx
4073 fi
4074
4075 if enabled power8; then
4076 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
4077 fi
4078
4079 elif enabled x86; then
4080
4081 check_builtin rdtsc intrin.h "__rdtsc()"
4082 check_builtin mm_empty mmintrin.h "_mm_empty()"
4083
4084 enable local_aligned_8 local_aligned_16
4085
4086 # check whether EBP is available on x86
4087 # As 'i' is stored on the stack, this program will crash
4088 # if the base pointer is used to access it because the
4089 # base pointer is cleared in the inline assembly code.
4090 check_exec_crash <<EOF && enable ebp_available
4091 volatile int i=0;
4092 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4093 return i;
4094 EOF
4095
4096 # check whether EBX is available on x86
4097 check_inline_asm ebx_available '""::"b"(0)' &&
4098 check_inline_asm ebx_available '"":::"%ebx"'
4099
4100 # check whether xmm clobbers are supported
4101 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4102
4103 # check whether binutils is new enough to compile SSSE3/MMXEXT
4104 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4105 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4106
4107 if ! disabled_any asm mmx yasm; then
4108 if check_cmd $yasmexe --version; then
4109 enabled x86_64 && yasm_extra="-m amd64"
4110 yasm_debug="-g dwarf2"
4111 elif check_cmd nasm -v; then
4112 yasmexe=nasm
4113 yasm_debug="-g -F dwarf"
4114 enabled x86_64 && test "$objformat" = elf && objformat=elf64
4115 fi
4116
4117 YASMFLAGS="-f $objformat $yasm_extra"
4118 enabled pic && append YASMFLAGS "-DPIC"
4119 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4120 case "$objformat" in
4121 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4122 esac
4123
4124 check_yasm "movbe ecx, [5]" && enable yasm ||
4125 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4126 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
4127 check_yasm "vfmadd132ps ymm0, ymm1, ymm2" || disable fma3_external
4128 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4129 check_yasm "CPU amdnop" || disable cpunop
4130 fi
4131
4132 case "$cpu" in
4133 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4134 disable fast_clz
4135 ;;
4136 esac
4137
4138 fi
4139
4140 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
4141
4142 check_ldflags -Wl,--as-needed
4143
4144 if check_func dlopen; then
4145 ldl=
4146 elif check_func dlopen -ldl; then
4147 ldl=-ldl
4148 fi
4149
4150 if ! disabled network; then
4151 check_func getaddrinfo $network_extralibs
4152 check_func getservbyport $network_extralibs
4153 check_func inet_aton $network_extralibs
4154
4155 check_type netdb.h "struct addrinfo"
4156 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4157 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4158 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4159 check_type poll.h "struct pollfd"
4160 check_type netinet/sctp.h "struct sctp_event_subscribe"
4161 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4162 check_type netinet/in.h "struct sockaddr_in6"
4163 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4164 check_type "sys/types.h sys/socket.h" socklen_t
4165
4166 # Prefer arpa/inet.h over winsock2
4167 if check_header arpa/inet.h ; then
4168 check_func closesocket
4169 elif check_header winsock2.h ; then
4170 check_func_headers winsock2.h closesocket -lws2 &&
4171 network_extralibs="-lws2" ||
4172 { check_func_headers winsock2.h closesocket -lws2_32 &&
4173 network_extralibs="-lws2_32"; } || disable winsock2_h network
4174 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4175
4176 check_type ws2tcpip.h socklen_t
4177 check_type ws2tcpip.h "struct addrinfo"
4178 check_type ws2tcpip.h "struct group_source_req"
4179 check_type ws2tcpip.h "struct ip_mreq_source"
4180 check_type ws2tcpip.h "struct ipv6_mreq"
4181 check_type winsock2.h "struct pollfd"
4182 check_struct winsock2.h "struct sockaddr" sa_len
4183 check_type ws2tcpip.h "struct sockaddr_in6"
4184 check_type ws2tcpip.h "struct sockaddr_storage"
4185 else
4186 disable network
4187 fi
4188 fi
4189
4190 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4191 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4192 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4193 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4194
4195 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4196 check_func ${malloc_prefix}memalign && enable memalign
4197 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4198
4199 check_cpp_condition unistd.h "defined(_POSIX_MONOTONIC_CLOCK)" &&
4200 check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
4201
4202 check_func fcntl
4203 check_func fork
4204 check_func gethrtime
4205 check_func getopt
4206 check_func getrusage
4207 check_func gettimeofday
4208 check_func gmtime_r
4209 check_func isatty
4210 check_func localtime_r
4211 check_func mach_absolute_time
4212 check_func mkstemp
4213 check_func mmap
4214 check_func mprotect
4215 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4216 check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt; }
4217 check_func sched_getaffinity
4218 check_func setrlimit
4219 check_func strerror_r
4220 check_func sysconf
4221 check_func sysctl
4222 check_func usleep
4223
4224 check_func_headers io.h setmode
4225 check_func_headers stdlib.h getenv
4226
4227 check_func_headers windows.h CoTaskMemFree -lole32
4228 check_func_headers windows.h GetProcessAffinityMask
4229 check_func_headers windows.h GetProcessTimes
4230 check_func_headers windows.h GetSystemTimeAsFileTime
4231 check_func_headers windows.h LoadLibrary
4232 check_func_headers windows.h MapViewOfFile
4233 check_func_headers windows.h SetConsoleTextAttribute
4234 check_func_headers windows.h Sleep
4235 check_func_headers windows.h VirtualAlloc
4236 check_struct windows.h "CONDITION_VARIABLE" Ptr
4237
4238 check_header direct.h
4239 check_header dlfcn.h
4240 check_header d3d11.h
4241 check_header dxva.h
4242 check_header dxva2api.h
4243 check_header io.h
4244 check_header mach/mach_time.h
4245 check_header malloc.h
4246 check_header poll.h
4247 check_header sys/mman.h
4248 check_header sys/param.h
4249 check_header sys/resource.h
4250 check_header sys/select.h
4251 check_header sys/time.h
4252 check_header sys/un.h
4253 check_header unistd.h
4254 check_header valgrind/valgrind.h
4255 check_header vdpau/vdpau.h
4256 check_header vdpau/vdpau_x11.h
4257 check_header VideoDecodeAcceleration/VDADecoder.h
4258 check_header windows.h
4259 check_header X11/extensions/XvMClib.h
4260
4261 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4262 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4263 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4264
4265 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4266
4267 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC"
4268 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
4269 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0600
4270
4271 if ! disabled w32threads && ! enabled pthreads; then
4272 check_func_headers "windows.h process.h" _beginthreadex &&
4273 enable w32threads || disable w32threads
4274 fi
4275
4276 # check for some common methods of building with pthread support
4277 # do this before the optional library checks as some of them require pthreads
4278 if ! disabled pthreads && ! enabled w32threads; then
4279 enable pthreads
4280 if check_func pthread_join -pthread; then
4281 add_cflags -pthread
4282 add_extralibs -pthread
4283 elif check_func pthread_join -pthreads; then
4284 add_cflags -pthreads
4285 add_extralibs -pthreads
4286 elif check_func pthread_join -lpthreadGC2; then
4287 add_extralibs -lpthreadGC2
4288 elif check_lib pthread.h pthread_join -lpthread; then
4289 :
4290 elif ! check_func pthread_join; then
4291 disable pthreads
4292 fi
4293 fi
4294
4295 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4296 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4297
4298 check_lib math.h sin -lm && LIBM="-lm"
4299 enabled vaapi && require vaapi va/va.h vaInitialize -lva
4300
4301 atan2f_args=2
4302 ldexpf_args=2
4303 powf_args=2
4304
4305 for func in $MATH_FUNCS; do
4306 eval check_mathfunc $func \${${func}_args:-1}
4307 done
4308
4309 # these are off by default, so fail if requested and not available
4310 enabled avisynth && { check_lib2 "avisynth/avisynth_c.h windows.h" LoadLibrary ||
4311 check_lib2 "avxsynth/avxsynth_c.h dlfcn.h" dlopen -ldl ||
4312 die "ERROR: LoadLibrary/dlopen not found, or avisynth header not found"; }
4313 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4314 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4315 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
4316 enabled libdcadec && require libdcadec libdcadec/dca_context.h dcadec_context_create -ldcadec
4317 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4318 enabled libfdk_aac && require_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen
4319 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4320 enabled libfreetype && require_pkg_config freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType
4321 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4322 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4323 done || die "ERROR: libgsm not found"; }
4324 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4325 enabled libmfx && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit
4326 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4327 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4328 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4329 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
4330 enabled libopenh264 && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion
4331 enabled libopenjpeg && { { check_header openjpeg.h && check_lib2 openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC; } ||
4332 { require_pkg_config libopenjpeg1 openjpeg.h opj_version -DOPJ_STATIC; } }
4333 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4334 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4335 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4336 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4337 enabled libsnappy && require snappy snappy-c.h snappy_compress -lsnappy
4338 enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
4339 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4340 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame
4341 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4342 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4343 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4344 enabled libvpx && require_pkg_config "vpx >= 1.3.0" vpx/vpx_codec.h vpx_codec_version && {
4345 enabled libvpx_vp8_decoder && {
4346 check_pkg_config vpx "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
4347 disable libvpx_vp8_decoder;
4348 }
4349 enabled libvpx_vp8_encoder && {
4350 check_pkg_config vpx "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
4351 disable libvpx_vp8_encoder;
4352 }
4353 enabled libvpx_vp9_decoder && {
4354 check_pkg_config vpx "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
4355 disable libvpx_vp9_decoder;
4356 }
4357 enabled libvpx_vp9_encoder && {
4358 check_pkg_config vpx "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
4359 disable libvpx_vp9_encoder;
4360 }
4361 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
4362 die "libvpx enabled but no supported decoders found"
4363 fi
4364 }
4365 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4366 enabled libwebp && require_pkg_config libwebp webp/encode.h WebPGetEncoderVersion
4367 enabled libx264 && require_pkg_config x264 "stdint.h x264.h" x264_encoder_encode &&
4368 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4369 die "ERROR: libx264 version must be >= 0.118."; } &&
4370