d62fdb6c15c5888fb98b0eaa4cf194fe060f20b5
[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-libspeex enable Speex de/encoding via libspeex [no]
206 --enable-libtheora enable Theora encoding via libtheora [no]
207 --enable-libtwolame enable MP2 encoding via libtwolame [no]
208 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
209 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
210 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
211 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
212 --enable-libwavpack enable wavpack encoding via libwavpack [no]
213 --enable-libwebp enable WebP encoding via libwebp [no]
214 --enable-libx264 enable H.264 encoding via x264 [no]
215 --enable-libx265 enable HEVC encoding via x265 [no]
216 --enable-libxavs enable AVS encoding via xavs [no]
217 --enable-libxcb enable X11 grabbing using XCB [no]
218 --enable-libxcb-shm enable X11 grabbing shm communication [auto]
219 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [auto]
220 --enable-libxvid enable Xvid encoding via xvidcore,
221 native MPEG-4/Xvid encoder exists [no]
222 --enable-mmal enable decoding via MMAL [no]
223 --enable-nvenc enable encoding via NVENC [no]
224 --enable-openssl enable openssl [no]
225 --enable-x11grab enable X11 grabbing (legacy) [no]
226 --enable-zlib enable zlib [autodetect]
227
228 Toolchain options:
229 --arch=ARCH select architecture [$arch]
230 --cpu=CPU select the minimum required CPU (affects
231 instruction selection, may crash on older CPUs)
232 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
233 --enable-cross-compile assume a cross-compiler is used
234 --sysroot=PATH root of cross-build tree
235 --sysinclude=PATH location of cross-build system headers
236 --target-os=OS compiler targets OS [$target_os]
237 --target-exec=CMD command to run executables on target
238 --target-path=DIR path to view of build directory on target
239 --target-samples=DIR path to samples directory on target
240 --toolchain=NAME set tool defaults according to NAME
241 --nm=NM use nm tool
242 --ar=AR use archive tool AR [$ar_default]
243 --as=AS use assembler AS [$as_default]
244 --cc=CC use C compiler CC [$cc_default]
245 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
246 --ld=LD use linker LD
247 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
248 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
249 --host-cc=HOSTCC use host C compiler HOSTCC
250 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
251 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
252 --host-ld=HOSTLD use host linker HOSTLD
253 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
254 --host-libs=HLIBS use libs HLIBS when linking for host
255 --host-os=OS compiler host OS [$target_os]
256 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
257 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
258 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
259 --extra-libs=ELIBS add ELIBS [$ELIBS]
260 --extra-version=STRING version string suffix []
261 --optflags=OPTFLAGS override optimization-related compiler flags
262 --build-suffix=SUFFIX library name suffix []
263 --enable-pic build position-independent code
264 --enable-thumb compile for Thumb instruction set
265 --enable-lto use link-time optimization
266 --env="ENV=override" override the environment variables
267
268 Advanced options (experts only):
269 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
270 --disable-symver disable symbol versioning
271 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
272 --disable-safe-bitstream-reader
273 disable buffer boundary checking in bitreaders
274 (faster, but may crash)
275 --enable-memalign-hack emulate memalign, interferes with memory debuggers
276 --enable-sram allow use of on-chip SRAM
277
278 Optimization options (experts only):
279 --disable-asm disable all assembly optimizations
280 --disable-altivec disable AltiVec optimizations
281 --disable-vsx disable VSX optimizations
282 --disable-power8 disable POWER8 optimizations
283 --disable-amd3dnow disable 3DNow! optimizations
284 --disable-amd3dnowext disable 3DNow! extended optimizations
285 --disable-mmx disable MMX optimizations
286 --disable-mmxext disable MMXEXT optimizations
287 --disable-sse disable SSE optimizations
288 --disable-sse2 disable SSE2 optimizations
289 --disable-sse3 disable SSE3 optimizations
290 --disable-ssse3 disable SSSE3 optimizations
291 --disable-sse4 disable SSE4 optimizations
292 --disable-sse42 disable SSE4.2 optimizations
293 --disable-avx disable AVX optimizations
294 --disable-xop disable XOP optimizations
295 --disable-fma3 disable FMA3 optimizations
296 --disable-fma4 disable FMA4 optimizations
297 --disable-avx2 disable AVX2 optimizations
298 --disable-armv5te disable armv5te optimizations
299 --disable-armv6 disable armv6 optimizations
300 --disable-armv6t2 disable armv6t2 optimizations
301 --disable-vfp disable VFP optimizations
302 --disable-neon disable NEON optimizations
303 --disable-inline-asm disable use of inline assembly
304 --disable-yasm disable use of nasm/yasm assembly
305
306 Developer options (useful when working on Libav itself):
307 --disable-debug disable debugging symbols
308 --enable-debug=LEVEL set the debug level [$debuglevel]
309 --disable-optimizations disable compiler optimizations
310 --enable-extra-warnings enable more compiler warnings
311 --samples=PATH location of test samples for FATE, if not set use
312 \$LIBAV_SAMPLES at make invocation time.
313 --enable-neon-clobber-test check NEON registers for clobbering (should be
314 used only for debugging purposes)
315 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
316 should be used only for debugging purposes)
317 --enable-random randomly enable/disable components
318 --disable-random
319 --enable-random=LIST randomly enable/disable specific components or
320 --disable-random=LIST component groups. LIST is a comma-separated list
321 of NAME[:PROB] entries where NAME is a component
322 (group) and PROB the probability associated with
323 NAME (default 0.5).
324 --random-seed=VALUE seed value for --enable/disable-random
325 --disable-valgrind-backtrace do not print a backtrace under Valgrind
326 (only applies to --disable-optimizations builds)
327
328 NOTE: Object files are built at the place where configure is launched.
329 EOF
330 exit 0
331 }
332
333 quotes='""'
334
335 log(){
336 echo "$@" >> $logfile
337 }
338
339 log_file(){
340 log BEGIN $1
341 pr -n -t $1 >> $logfile
342 log END $1
343 }
344
345 echolog(){
346 log "$@"
347 echo "$@"
348 }
349
350 warn(){
351 log "WARNING: $*"
352 WARNINGS="${WARNINGS}WARNING: $*\n"
353 }
354
355 die(){
356 echolog "$@"
357 cat <<EOF
358
359 If you think configure made a mistake, make sure you are using the latest
360 version from Git. If the latest version fails, report the problem to the
361 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
362 EOF
363 if disabled logging; then
364 cat <<EOF
365 Rerun configure with logging enabled (do not use --disable-logging), and
366 include the log this produces with your report.
367 EOF
368 else
369 cat <<EOF
370 Include the log file "$logfile" produced by configure as this will help
371 solving the problem.
372 EOF
373 fi
374 exit 1
375 }
376
377 # Avoid locale weirdness, besides we really just want to translate ASCII.
378 toupper(){
379 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
380 }
381
382 tolower(){
383 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
384 }
385
386 c_escape(){
387 echo "$*" | sed 's/["\\]/\\\0/g'
388 }
389
390 sh_quote(){
391 v=$(echo "$1" | sed "s/'/'\\\\''/g")
392 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
393 echo "$v"
394 }
395
396 cleanws(){
397 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
398 }
399
400 filter(){
401 pat=$1
402 shift
403 for v; do
404 eval "case $v in $pat) echo $v ;; esac"
405 done
406 }
407
408 filter_out(){
409 pat=$1
410 shift
411 for v; do
412 eval "case $v in $pat) ;; *) echo $v ;; esac"
413 done
414 }
415
416 map(){
417 m=$1
418 shift
419 for v; do eval $m; done
420 }
421
422 add_suffix(){
423 suffix=$1
424 shift
425 for v; do echo ${v}${suffix}; done
426 }
427
428 set_all(){
429 value=$1
430 shift
431 for var in $*; do
432 eval $var=$value
433 done
434 }
435
436 set_weak(){
437 value=$1
438 shift
439 for var; do
440 eval : \${$var:=$value}
441 done
442 }
443
444 sanitize_var_name(){
445 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
446 }
447
448 set_safe(){
449 var=$1
450 shift
451 eval $(sanitize_var_name "$var")='$*'
452 }
453
454 get_safe(){
455 eval echo \$$(sanitize_var_name "$1")
456 }
457
458 pushvar(){
459 for pvar in $*; do
460 eval level=\${${pvar}_level:=0}
461 eval ${pvar}_${level}="\$$pvar"
462 eval ${pvar}_level=$(($level+1))
463 done
464 }
465
466 popvar(){
467 for pvar in $*; do
468 eval level=\${${pvar}_level:-0}
469 test $level = 0 && continue
470 eval level=$(($level-1))
471 eval $pvar="\${${pvar}_${level}}"
472 eval ${pvar}_level=$level
473 eval unset ${pvar}_${level}
474 done
475 }
476
477 enable(){
478 set_all yes $*
479 }
480
481 disable(){
482 set_all no $*
483 }
484
485 enable_weak(){
486 set_weak yes $*
487 }
488
489 disable_weak(){
490 set_weak no $*
491 }
492
493 enable_safe(){
494 for var; do
495 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
496 done
497 }
498
499 disable_safe(){
500 for var; do
501 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
502 done
503 }
504
505 do_enable_deep(){
506 for var; do
507 enabled $var && continue
508 eval sel="\$${var}_select"
509 eval sgs="\$${var}_suggest"
510 pushvar var sgs
511 enable_deep $sel
512 popvar sgs
513 enable_deep_weak $sgs
514 popvar var
515 done
516 }
517
518 enable_deep(){
519 do_enable_deep $*
520 enable $*
521 }
522
523 enable_deep_weak(){
524 for var; do
525 disabled $var && continue
526 pushvar var
527 do_enable_deep $var
528 popvar var
529 enable_weak $var
530 done
531 }
532
533 enabled(){
534 test "${1#!}" = "$1" && op== || op=!=
535 eval test "x\$${1#!}" $op "xyes"
536 }
537
538 disabled(){
539 test "${1#!}" = "$1" && op== || op=!=
540 eval test "x\$${1#!}" $op "xno"
541 }
542
543 enabled_all(){
544 for opt; do
545 enabled $opt || return 1
546 done
547 }
548
549 disabled_all(){
550 for opt; do
551 disabled $opt || return 1
552 done
553 }
554
555 enabled_any(){
556 for opt; do
557 enabled $opt && return 0
558 done
559 }
560
561 disabled_any(){
562 for opt; do
563 disabled $opt && return 0
564 done
565 return 1
566 }
567
568 set_default(){
569 for opt; do
570 eval : \${$opt:=\$${opt}_default}
571 done
572 }
573
574 is_in(){
575 value=$1
576 shift
577 for var in $*; do
578 [ $var = $value ] && return 0
579 done
580 return 1
581 }
582
583 do_check_deps(){
584 for cfg; do
585 cfg="${cfg#!}"
586 enabled ${cfg}_checking && die "Circular dependency for $cfg."
587 disabled ${cfg}_checking && continue
588 enable ${cfg}_checking
589 append allopts $cfg
590
591 eval dep_all="\$${cfg}_deps"
592 eval dep_any="\$${cfg}_deps_any"
593 eval dep_sel="\$${cfg}_select"
594 eval dep_sgs="\$${cfg}_suggest"
595 eval dep_ifa="\$${cfg}_if"
596 eval dep_ifn="\$${cfg}_if_any"
597
598 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
599 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
600 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
601
602 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
603 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
604 enabled_all $dep_all || disable $cfg
605 enabled_any $dep_any || disable $cfg
606 disabled_any $dep_sel && disable $cfg
607
608 if enabled $cfg; then
609 enable_deep $dep_sel
610 enable_deep_weak $dep_sgs
611 fi
612
613 disable ${cfg}_checking
614 done
615 }
616
617 check_deps(){
618 unset allopts
619
620 do_check_deps "$@"
621
622 for cfg in $allopts; do
623 enabled $cfg || continue
624 eval dep_extralibs="\$${cfg}_extralibs"
625 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
626 done
627 }
628
629 print_config(){
630 pfx=$1
631 files=$2
632 shift 2
633 map 'eval echo "$v \${$v:-no}"' "$@" |
634 awk "BEGIN { split(\"$files\", files) }
635 {
636 c = \"$pfx\" toupper(\$1);
637 v = \$2;
638 sub(/yes/, 1, v);
639 sub(/no/, 0, v);
640 for (f in files) {
641 file = files[f];
642 if (file ~ /\\.h\$/) {
643 printf(\"#define %s %d\\n\", c, v) >>file;
644 } else if (file ~ /\\.asm\$/) {
645 printf(\"%%define %s %d\\n\", c, v) >>file;
646 } else if (file ~ /\\.mak\$/) {
647 n = -v ? \"\" : \"!\";
648 printf(\"%s%s=yes\\n\", n, c) >>file;
649 }
650 }
651 }"
652 }
653
654 print_enabled(){
655 suf=$1
656 shift
657 for v; do
658 enabled $v && printf "%s\n" ${v%$suf};
659 done
660 }
661
662 append(){
663 var=$1
664 shift
665 eval "$var=\"\$$var $*\""
666 }
667
668 prepend(){
669 var=$1
670 shift
671 eval "$var=\"$* \$$var\""
672 }
673
674 unique(){
675 var=$1
676 uniq_list=""
677 for tok in $(eval echo \$$var); do
678 uniq_list="$(filter_out $tok $uniq_list) $tok"
679 done
680 eval "$var=\"${uniq_list}\""
681 }
682
683 add_cppflags(){
684 append CPPFLAGS "$@"
685 }
686
687 add_cflags(){
688 append CFLAGS $($cflags_filter "$@")
689 }
690
691 add_asflags(){
692 append ASFLAGS $($asflags_filter "$@")
693 }
694
695 add_ldflags(){
696 append LDFLAGS $($ldflags_filter "$@")
697 }
698
699 add_ldexeflags(){
700 append LDEXEFLAGS $($ldflags_filter "$@")
701 }
702
703 add_stripflags(){
704 append STRIPFLAGS "$@"
705 }
706
707 add_extralibs(){
708 prepend extralibs $($ldflags_filter "$@")
709 }
710
711 add_host_cppflags(){
712 append host_cppflags "$@"
713 }
714
715 add_host_cflags(){
716 append host_cflags $($host_cflags_filter "$@")
717 }
718
719 add_host_ldflags(){
720 append host_ldflags $($host_ldflags_filter "$@")
721 }
722
723 add_compat(){
724 append compat_objs $1
725 shift
726 map 'add_cppflags -D$v' "$@"
727 }
728
729 check_cmd(){
730 log "$@"
731 "$@" >> $logfile 2>&1
732 }
733
734 cc_o(){
735 eval printf '%s\\n' $CC_O
736 }
737
738 cc_e(){
739 eval printf '%s\\n' $CC_E
740 }
741
742 check_cc(){
743 log check_cc "$@"
744 cat > $TMPC
745 log_file $TMPC
746 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
747 }
748
749 check_cpp(){
750 log check_cpp "$@"
751 cat > $TMPC
752 log_file $TMPC
753 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
754 }
755
756 as_o(){
757 eval printf '%s\\n' $AS_O
758 }
759
760 check_as(){
761 log check_as "$@"
762 cat > $TMPS
763 log_file $TMPS
764 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
765 }
766
767 check_inline_asm(){
768 log check_inline_asm "$@"
769 name="$1"
770 code="$2"
771 shift 2
772 disable $name
773 check_cc "$@" <<EOF && enable $name
774 void foo(void){ __asm__ volatile($code); }
775 EOF
776 }
777
778 check_insn(){
779 log check_insn "$@"
780 check_inline_asm ${1}_inline "\"$2\""
781 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
782 }
783
784 check_yasm(){
785 log check_yasm "$@"
786 echo "$1" > $TMPS
787 log_file $TMPS
788 shift 1
789 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
790 }
791
792 ld_o(){
793 eval printf '%s\\n' $LD_O
794 }
795
796 check_ld(){
797 log check_ld "$@"
798 flags=$(filter_out '-l*' "$@")
799 libs=$(filter '-l*' "$@")
800 check_cc $($cflags_filter $flags) || return
801 flags=$($ldflags_filter $flags)
802 libs=$($ldflags_filter $libs)
803 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
804 }
805
806 print_include(){
807 hdr=$1
808 test "${hdr%.h}" = "${hdr}" &&
809 echo "#include $hdr" ||
810 echo "#include <$hdr>"
811 }
812
813 check_code(){
814 log check_code "$@"
815 check=$1
816 headers=$2
817 code=$3
818 shift 3
819 {
820 for hdr in $headers; do
821 print_include $hdr
822 done
823 echo "int main(void) { $code; return 0; }"
824 } | check_$check "$@"
825 }
826
827 check_cppflags(){
828 log check_cppflags "$@"
829 check_cc "$@" <<EOF && append CPPFLAGS "$@"
830 int x;
831 EOF
832 }
833
834 test_cflags(){
835 log test_cflags "$@"
836 set -- $($cflags_filter "$@")
837 check_cc "$@" <<EOF
838 int x;
839 EOF
840 }
841
842 check_cflags(){
843 log check_cflags "$@"
844 test_cflags "$@" && add_cflags "$@"
845 }
846
847 test_ldflags(){
848 log test_ldflags "$@"
849 check_ld "$@" <<EOF
850 int main(void){ return 0; }
851 EOF
852 }
853
854 check_ldflags(){
855 log check_ldflags "$@"
856 test_ldflags "$@" && add_ldflags "$@"
857 }
858
859 test_stripflags(){
860 log test_stripflags "$@"
861 # call check_cc to get a fresh TMPO
862 check_cc <<EOF
863 int main(void) { return 0; }
864 EOF
865 check_cmd $strip $STRIPFLAGS "$@" $TMPO
866 }
867
868 check_stripflags(){
869 log check_stripflags "$@"
870 test_stripflags "$@" && add_stripflags "$@"
871 }
872
873 check_header(){
874 log check_header "$@"
875 header=$1
876 shift
877 disable_safe $header
878 check_cpp "$@" <<EOF && enable_safe $header
879 #include <$header>
880 int x;
881 EOF
882 }
883
884 check_func(){
885 log check_func "$@"
886 func=$1
887 shift
888 disable $func
889 check_ld "$@" <<EOF && enable $func
890 extern int $func();
891 int main(void){ $func(); }
892 EOF
893 }
894
895 check_mathfunc(){
896 log check_mathfunc "$@"
897 func=$1
898 narg=$2
899 shift 2
900 test $narg = 2 && args="f, g" || args="f"
901 disable $func
902 check_ld "$@" <<EOF && enable $func
903 #include <math.h>
904 float foo(float f, float g) { return $func($args); }
905 int main(void){ return 0; }
906 EOF
907 }
908
909 check_func_headers(){
910 log check_func_headers "$@"
911 headers=$1
912 funcs=$2
913 shift 2
914 {
915 for hdr in $headers; do
916 print_include $hdr
917 done
918 for func in $funcs; do
919 echo "long check_$func(void) { return (long) $func; }"
920 done
921 echo "int main(void) { return 0; }"
922 } | check_ld "$@" && enable $funcs && enable_safe $headers
923 }
924
925 check_cpp_condition(){
926 log check_cpp_condition "$@"
927 header=$1
928 condition=$2
929 shift 2
930 check_cpp "$@" <<EOF
931 #include <$header>
932 #if !($condition)
933 #error "unsatisfied condition: $condition"
934 #endif
935 EOF
936 }
937
938 check_lib(){
939 log check_lib "$@"
940 header="$1"
941 func="$2"
942 shift 2
943 check_header $header && check_func $func "$@" && add_extralibs "$@"
944 }
945
946 check_lib2(){
947 log check_lib2 "$@"
948 headers="$1"
949 funcs="$2"
950 shift 2
951 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
952 }
953
954 check_pkg_config(){
955 log check_pkg_config "$@"
956 pkg="$1"
957 headers="$2"
958 funcs="$3"
959 shift 3
960 check_cmd $pkg_config --exists --print-errors $pkg || return
961 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
962 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
963 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
964 set_safe "${pkg}_cflags" $pkg_cflags &&
965 set_safe "${pkg}_libs" $pkg_libs
966 }
967
968 check_exec(){
969 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
970 }
971
972 check_exec_crash(){
973 code=$(cat)
974
975 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
976 # are safe but may not be available everywhere. Thus we use
977 # raise(SIGTERM) instead. The check is run in a subshell so we
978 # can redirect the "Terminated" message from the shell. SIGBUS
979 # is not defined by standard C so it is used conditionally.
980
981 (check_exec "$@") >> $logfile 2>&1 <<EOF
982 #include <signal.h>
983 static void sighandler(int sig){
984 raise(SIGTERM);
985 }
986 int foo(void){
987 $code
988 }
989 int (*func_ptr)(void) = foo;
990 int main(void){
991 signal(SIGILL, sighandler);
992 signal(SIGFPE, sighandler);
993 signal(SIGSEGV, sighandler);
994 #ifdef SIGBUS
995 signal(SIGBUS, sighandler);
996 #endif
997 return func_ptr();
998 }
999 EOF
1000 }
1001
1002 check_type(){
1003 log check_type "$@"
1004 headers=$1
1005 type=$2
1006 shift 2
1007 disable_safe "$type"
1008 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1009 }
1010
1011 check_struct(){
1012 log check_struct "$@"
1013 headers=$1
1014 struct=$2
1015 member=$3
1016 shift 3
1017 disable_safe "${struct}_${member}"
1018 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1019 enable_safe "${struct}_${member}"
1020 }
1021
1022 check_builtin(){
1023 log check_builtin "$@"
1024 name=$1
1025 headers=$2
1026 builtin=$3
1027 shift 3
1028 disable "$name"
1029 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1030 }
1031
1032 check_compile_assert(){
1033 log check_compile_assert "$@"
1034 name=$1
1035 headers=$2
1036 condition=$3
1037 shift 3
1038 disable "$name"
1039 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1040 }
1041
1042 require(){
1043 name="$1"
1044 header="$2"
1045 func="$3"
1046 shift 3
1047 check_lib $header $func "$@" || die "ERROR: $name not found"
1048 }
1049
1050 require2(){
1051 name="$1"
1052 headers="$2"
1053 func="$3"
1054 shift 3
1055 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1056 }
1057
1058 require_pkg_config(){
1059 pkg="$1"
1060 check_pkg_config "$@" || die "ERROR: $pkg not found"
1061 add_cflags $(get_safe "${pkg}_cflags")
1062 add_extralibs $(get_safe "${pkg}_libs")
1063 }
1064
1065 hostcc_e(){
1066 eval printf '%s\\n' $HOSTCC_E
1067 }
1068
1069 hostcc_o(){
1070 eval printf '%s\\n' $HOSTCC_O
1071 }
1072
1073 check_host_cc(){
1074 log check_host_cc "$@"
1075 cat > $TMPC
1076 log_file $TMPC
1077 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1078 }
1079
1080 check_host_cpp(){
1081 log check_host_cpp "$@"
1082 cat > $TMPC
1083 log_file $TMPC
1084 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1085 }
1086
1087 check_host_cppflags(){
1088 log check_host_cppflags "$@"
1089 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1090 int x;
1091 EOF
1092 }
1093
1094 check_host_cflags(){
1095 log check_host_cflags "$@"
1096 set -- $($host_cflags_filter "$@")
1097 check_host_cc "$@" <<EOF && append host_cflags "$@"
1098 int x;
1099 EOF
1100 }
1101
1102 check_host_cpp_condition(){
1103 log check_host_cpp_condition "$@"
1104 header=$1
1105 condition=$2
1106 shift 2
1107 check_host_cpp "$@" <<EOF
1108 #include <$header>
1109 #if !($condition)
1110 #error "unsatisfied condition: $condition"
1111 #endif
1112 EOF
1113 }
1114
1115 apply(){
1116 file=$1
1117 shift
1118 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1119 }
1120
1121 cp_if_changed(){
1122 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1123 mkdir -p "$(dirname $2)"
1124 $cp_f "$1" "$2"
1125 }
1126
1127 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1128 # system-dependent things.
1129
1130 COMPONENT_LIST="
1131 bsfs
1132 decoders
1133 demuxers
1134 encoders
1135 filters
1136 hwaccels
1137 indevs
1138 muxers
1139 outdevs
1140 parsers
1141 protocols
1142 "
1143
1144 EXAMPLE_LIST="
1145 avcodec_example
1146 filter_audio_example
1147 metadata_example
1148 output_example
1149 qsvdec_example
1150 transcode_aac_example
1151 "
1152
1153 EXTERNAL_LIBRARY_LIST="
1154 avisynth
1155 bzlib
1156 frei0r
1157 gnutls
1158 libbs2b
1159 libcdio
1160 libdc1394
1161 libdcadec
1162 libfaac
1163 libfdk_aac
1164 libfontconfig
1165 libfreetype
1166 libgsm
1167 libilbc
1168 libmfx
1169 libmp3lame
1170 libopencore_amrnb
1171 libopencore_amrwb
1172 libopencv
1173 libopenh264
1174 libopenjpeg
1175 libopus
1176 libpulse
1177 librtmp
1178 libschroedinger
1179 libspeex
1180 libtheora
1181 libtwolame
1182 libvo_aacenc
1183 libvo_amrwbenc
1184 libvorbis
1185 libvpx
1186 libwavpack
1187 libwebp
1188 libx264
1189 libx265
1190 libxavs
1191 libxcb
1192 libxcb_shm
1193 libxcb_xfixes
1194 libxvid
1195 mmal
1196 nvenc
1197 openssl
1198 x11grab
1199 zlib
1200 "
1201
1202 FEATURE_LIST="
1203 gray
1204 hardcoded_tables
1205 runtime_cpudetect
1206 safe_bitstream_reader
1207 shared
1208 small
1209 sram
1210 static
1211 swscale_alpha
1212 "
1213
1214 HWACCEL_LIST="
1215 d3d11va
1216 dxva2
1217 vaapi
1218 vda
1219 vdpau
1220 "
1221
1222 LIBRARY_LIST="
1223 avcodec
1224 avdevice
1225 avfilter
1226 avformat
1227 avresample
1228 avutil
1229 swscale
1230 "
1231
1232 LICENSE_LIST="
1233 gpl
1234 nonfree
1235 version3
1236 "
1237
1238 PROGRAM_LIST="
1239 avconv
1240 avplay
1241 avprobe
1242 "
1243
1244 SUBSYSTEM_LIST="
1245 dct
1246 doc
1247 error_resilience
1248 faan
1249 fft
1250 lsp
1251 lzo
1252 mdct
1253 network
1254 rdft
1255 "
1256
1257 CONFIG_LIST="
1258 $COMPONENT_LIST
1259 $EXAMPLE_LIST
1260 $EXTERNAL_LIBRARY_LIST
1261 $FEATURE_LIST
1262 $HWACCEL_LIST
1263 $LICENSE_LIST
1264 $LIBRARY_LIST
1265 $PROGRAM_LIST
1266 $SUBSYSTEM_LIST
1267 memalign_hack
1268 neon_clobber_test
1269 pic
1270 pod2man
1271 texi2html
1272 thumb
1273 valgrind_backtrace
1274 xmm_clobber_test
1275 "
1276
1277 THREADS_LIST="
1278 pthreads
1279 w32threads
1280 "
1281
1282 ATOMICS_LIST="
1283 atomics_gcc
1284 atomics_suncc
1285 atomics_win32
1286 "
1287
1288 ARCH_LIST="
1289 aarch64
1290 alpha
1291 arm
1292 avr32
1293 avr32_ap
1294 avr32_uc
1295 bfin
1296 ia64
1297 m68k
1298 mips
1299 mips64
1300 parisc
1301 ppc
1302 ppc64
1303 s390
1304 sh4
1305 sparc
1306 sparc64
1307 tilegx
1308 tilepro
1309 tomi
1310 x86
1311 x86_32
1312 x86_64
1313 "
1314
1315 ARCH_EXT_LIST_ARM="
1316 armv5te
1317 armv6
1318 armv6t2
1319 armv8
1320 neon
1321 vfp
1322 vfpv3
1323 "
1324
1325 ARCH_EXT_LIST_X86_SIMD="
1326 amd3dnow
1327 amd3dnowext
1328 avx
1329 avx2
1330 fma3
1331 fma4
1332 mmx
1333 mmxext
1334 sse
1335 sse2
1336 sse3
1337 sse4
1338 sse42
1339 ssse3
1340 xop
1341 "
1342
1343 ARCH_EXT_LIST_PPC="
1344 altivec
1345 dcbzl
1346 ldbrx
1347 power8
1348 ppc4xx
1349 vsx
1350 "
1351
1352 ARCH_EXT_LIST_X86="
1353 $ARCH_EXT_LIST_X86_SIMD
1354 cpunop
1355 i686
1356 "
1357
1358 ARCH_EXT_LIST="
1359 $ARCH_EXT_LIST_ARM
1360 $ARCH_EXT_LIST_PPC
1361 $ARCH_EXT_LIST_X86
1362 loongson
1363 vis
1364 "
1365
1366 ARCH_FEATURES="
1367 aligned_stack
1368 fast_64bit
1369 fast_clz
1370 fast_cmov
1371 local_aligned_8
1372 local_aligned_16
1373 simd_align_16
1374 "
1375
1376 BUILTIN_LIST="
1377 atomic_cas_ptr
1378 machine_rw_barrier
1379 MemoryBarrier
1380 mm_empty
1381 rdtsc
1382 sync_val_compare_and_swap
1383 "
1384 HAVE_LIST_CMDLINE="
1385 inline_asm
1386 symver
1387 yasm
1388 "
1389
1390 HAVE_LIST_PUB="
1391 bigendian
1392 fast_unaligned
1393 "
1394
1395 HEADERS_LIST="
1396 alsa_asoundlib_h
1397 altivec_h
1398 arpa_inet_h
1399 cdio_paranoia_h
1400 cdio_paranoia_paranoia_h
1401 dev_bktr_ioctl_bt848_h
1402 dev_bktr_ioctl_meteor_h
1403 dev_ic_bt8xx_h
1404 dev_video_bktr_ioctl_bt848_h
1405 dev_video_meteor_ioctl_meteor_h
1406 direct_h
1407 dlfcn_h
1408 d3d11_h
1409 dxva_h
1410 gsm_h
1411 io_h
1412 mach_mach_time_h
1413 machine_ioctl_bt848_h
1414 machine_ioctl_meteor_h
1415 malloc_h
1416 poll_h
1417 sndio_h
1418 soundcard_h
1419 sys_mman_h
1420 sys_param_h
1421 sys_resource_h
1422 sys_select_h
1423 sys_soundcard_h
1424 sys_time_h
1425 sys_un_h
1426 sys_videoio_h
1427 unistd_h
1428 valgrind_valgrind_h
1429 windows_h
1430 winsock2_h
1431 "
1432
1433 INTRINSICS_LIST="
1434 intrinsics_neon
1435 "
1436
1437 MATH_FUNCS="
1438 atanf
1439 atan2f
1440 cbrtf
1441 cosf
1442 exp2
1443 exp2f
1444 expf
1445 isinf
1446 isnan
1447 ldexpf
1448 llrint
1449 llrintf
1450 log2
1451 log2f
1452 log10f
1453 lrint
1454 lrintf
1455 powf
1456 rint
1457 round
1458 roundf
1459 sinf
1460 trunc
1461 truncf
1462 "
1463
1464 SYSTEM_FUNCS="
1465 aligned_malloc
1466 clock_gettime
1467 closesocket
1468 CommandLineToArgvW
1469 CoTaskMemFree
1470 CryptGenRandom
1471 dlopen
1472 fcntl
1473 flt_lim
1474 fork
1475 getaddrinfo
1476 gethrtime
1477 getopt
1478 GetProcessAffinityMask
1479 GetProcessMemoryInfo
1480 GetProcessTimes
1481 getrusage
1482 getservbyport
1483 GetSystemTimeAsFileTime
1484 gettimeofday
1485 gmtime_r
1486 inet_aton
1487 isatty
1488 jack_port_get_latency_range
1489 LoadLibrary
1490 localtime_r
1491 mach_absolute_time
1492 MapViewOfFile
1493 memalign
1494 mkstemp
1495 mmap
1496 mprotect
1497 nanosleep
1498 posix_memalign
1499 sched_getaffinity
1500 SetConsoleTextAttribute
1501 setmode
1502 setrlimit
1503 Sleep
1504 strerror_r
1505 sysconf
1506 sysctl
1507 usleep
1508 VirtualAlloc
1509 "
1510
1511 TOOLCHAIN_FEATURES="
1512 as_dn_directive
1513 as_func
1514 as_object_arch
1515 asm_mod_q
1516 attribute_may_alias
1517 attribute_packed
1518 ebp_available
1519 ebx_available
1520 gnu_as
1521 ibm_asm
1522 inline_asm_labels
1523 pragma_deprecated
1524 symver_asm_label
1525 symver_gnu_asm
1526 vfp_args
1527 xform_asm
1528 xmm_clobbers
1529 "
1530
1531 TYPES_LIST="
1532 CONDITION_VARIABLE_Ptr
1533 socklen_t
1534 struct_addrinfo
1535 struct_group_source_req
1536 struct_ip_mreq_source
1537 struct_ipv6_mreq
1538 struct_pollfd
1539 struct_rusage_ru_maxrss
1540 struct_sockaddr_in6
1541 struct_sockaddr_sa_len
1542 struct_sockaddr_storage
1543 struct_v4l2_frmivalenum_discrete
1544 "
1545
1546 HAVE_LIST="
1547 $ARCH_EXT_LIST
1548 $(add_suffix _external $ARCH_EXT_LIST)
1549 $(add_suffix _inline $ARCH_EXT_LIST)
1550 $ARCH_FEATURES
1551 $ATOMICS_LIST
1552 $BUILTIN_LIST
1553 $HAVE_LIST_CMDLINE
1554 $HAVE_LIST_PUB
1555 $HEADERS_LIST
1556 $INTRINSICS_LIST
1557 $MATH_FUNCS
1558 $SYSTEM_FUNCS
1559 $THREADS_LIST
1560 $TOOLCHAIN_FEATURES
1561 $TYPES_LIST
1562 atomics_native
1563 dos_paths
1564 dxva2_lib
1565 libc_msvcrt
1566 libdc1394_1
1567 libdc1394_2
1568 sdl
1569 section_data_rel_ro
1570 threads
1571 vaapi_x11
1572 vdpau_x11
1573 xlib
1574 "
1575
1576 # options emitted with CONFIG_ prefix but not available on the command line
1577 CONFIG_EXTRA="
1578 aandcttables
1579 ac3dsp
1580 audio_frame_queue
1581 audiodsp
1582 blockdsp
1583 bswapdsp
1584 cabac
1585 dvprofile
1586 faandct
1587 faanidct
1588 fdctdsp
1589 fmtconvert
1590 gcrypt
1591 gmp
1592 golomb
1593 gplv3
1594 h263dsp
1595 h264chroma
1596 h264dsp
1597 h264pred
1598 h264qpel
1599 hpeldsp
1600 huffman
1601 huffyuvdsp
1602 huffyuvencdsp
1603 idctdsp
1604 iirfilter
1605 imdct15
1606 intrax8
1607 jpegtables
1608 lgplv3
1609 lpc
1610 me_cmp
1611 mpeg_er
1612 mpegaudio
1613 mpegaudiodsp
1614 mpegvideo
1615 mpegvideoenc
1616 pixblockdsp
1617 qpeldsp
1618 qsv
1619 qsvdec
1620 qsvenc
1621 rangecoder
1622 riffdec
1623 riffenc
1624 rtpdec
1625 rtpenc_chain
1626 sinewin
1627 snappy
1628 startcode
1629 texturedsp
1630 texturedspenc
1631 tpeldsp
1632 videodsp
1633 vp3dsp
1634 wma_freqs
1635 "
1636
1637 CMDLINE_SELECT="
1638 $ARCH_EXT_LIST
1639 $CONFIG_LIST
1640 $HAVE_LIST_CMDLINE
1641 $THREADS_LIST
1642 asm
1643 cross_compile
1644 debug
1645 extra_warnings
1646 logging
1647 lto
1648 optimizations
1649 rpath
1650 "
1651
1652 PATHS_LIST="
1653 bindir
1654 datadir
1655 docdir
1656 incdir
1657 libdir
1658 mandir
1659 prefix
1660 shlibdir
1661 "
1662
1663 CMDLINE_SET="
1664 $PATHS_LIST
1665 ar
1666 arch
1667 as
1668 build_suffix
1669 cc
1670 cpu
1671 cross_prefix
1672 dep_cc
1673 env
1674 extra_version
1675 host_cc
1676 host_cflags
1677 host_ld
1678 host_ldflags
1679 host_libs
1680 host_os
1681 ld
1682 logfile
1683 malloc_prefix
1684 nm
1685 optflags
1686 pkg_config
1687 pkg_config_flags
1688 random_seed
1689 samples
1690 sysinclude
1691 sysroot
1692 target_exec
1693 target_os
1694 target_path
1695 target_samples
1696 toolchain
1697 "
1698
1699 CMDLINE_APPEND="
1700 extra_cflags
1701 host_cppflags
1702 "
1703
1704 # code dependency declarations
1705
1706 # architecture extensions
1707
1708 armv5te_deps="arm"
1709 armv6_deps="arm"
1710 armv6t2_deps="arm"
1711 armv8_deps="aarch64"
1712 neon_deps_any="aarch64 arm"
1713 intrinsics_neon_deps="neon"
1714 vfp_deps_any="aarch64 arm"
1715 vfpv3_deps="vfp"
1716
1717 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1718
1719 altivec_deps="ppc"
1720 ppc4xx_deps="ppc"
1721 vsx_deps="altivec"
1722 power8_deps="vsx"
1723
1724 cpunop_deps="i686"
1725 x86_64_select="i686"
1726 x86_64_suggest="fast_cmov"
1727
1728 amd3dnow_deps="mmx"
1729 amd3dnowext_deps="amd3dnow"
1730 i686_deps="x86"
1731 mmx_deps="x86"
1732 mmxext_deps="mmx"
1733 sse_deps="mmxext"
1734 sse2_deps="sse"
1735 sse3_deps="sse2"
1736 ssse3_deps="sse3"
1737 sse4_deps="ssse3"
1738 sse42_deps="sse4"
1739 avx_deps="sse42"
1740 xop_deps="avx"
1741 fma3_deps="avx"
1742 fma4_deps="avx"
1743 avx2_deps="avx"
1744
1745 mmx_external_deps="yasm"
1746 mmx_inline_deps="inline_asm"
1747 mmx_suggest="mmx_external mmx_inline"
1748
1749 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1750 eval dep=\$${ext}_deps
1751 eval ${ext}_external_deps='"${dep}_external"'
1752 eval ${ext}_inline_deps='"${dep}_inline"'
1753 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1754 done
1755
1756 aligned_stack_if_any="aarch64 ppc x86"
1757 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1758 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1759 fast_unaligned_if_any="aarch64 ppc x86"
1760 simd_align_16_if_any="altivec neon sse"
1761
1762 # system capabilities
1763 symver_if_any="symver_asm_label symver_gnu_asm"
1764 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
1765
1766 # threading support
1767 atomics_gcc_if="sync_val_compare_and_swap"
1768 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1769 atomics_win32_if="MemoryBarrier"
1770 atomics_native_if_any="$ATOMICS_LIST"
1771 w32threads_deps="atomics_native"
1772 threads_if_any="$THREADS_LIST"
1773
1774 # subsystems
1775 dct_select="rdft"
1776 error_resilience_select="me_cmp"
1777 faandct_deps="faan fdctdsp"
1778 faanidct_deps="faan idctdsp"
1779 intrax8_select="error_resilience"
1780 mdct_select="fft"
1781 rdft_select="fft"
1782 me_cmp_select="fdctdsp idctdsp pixblockdsp"
1783 mpeg_er_select="error_resilience"
1784 mpegaudio_select="mpegaudiodsp"
1785 mpegaudiodsp_select="dct"
1786 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp videodsp"
1787 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
1788 nvenc_deps_any="dlopen LoadLibrary"
1789 nvenc_extralibs='$ldl'
1790 qsvdec_select="qsv"
1791 qsvenc_select="qsv"
1792
1793 # decoders / encoders
1794 aac_decoder_select="imdct15 mdct sinewin"
1795 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
1796 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1797 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
1798 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1799 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
1800 aic_decoder_select="golomb idctdsp"
1801 alac_encoder_select="lpc"
1802 als_decoder_select="bswapdsp"
1803 amrnb_decoder_select="lsp"
1804 amrwb_decoder_select="lsp"
1805 amv_decoder_select="sp5x_decoder"
1806 ape_decoder_select="bswapdsp"
1807 asv1_decoder_select="blockdsp bswapdsp idctdsp"
1808 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
1809 asv2_decoder_select="blockdsp bswapdsp idctdsp"
1810 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
1811 atrac1_decoder_select="mdct sinewin"
1812 atrac3_decoder_select="mdct"
1813 atrac3p_decoder_select="mdct sinewin"
1814 bink_decoder_select="blockdsp hpeldsp"
1815 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
1816 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
1817 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
1818 cllc_decoder_select="bswapdsp"
1819 comfortnoise_encoder_select="lpc"
1820 cook_decoder_select="audiodsp mdct sinewin"
1821 cscd_decoder_select="lzo"
1822 cscd_decoder_suggest="zlib"
1823 dca_decoder_select="fmtconvert mdct"
1824 dnxhd_decoder_select="blockdsp idctdsp"
1825 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
1826 dvvideo_decoder_select="dvprofile idctdsp"
1827 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
1828 dxa_decoder_deps="zlib"
1829 eac3_decoder_select="ac3_decoder"
1830 eac3_encoder_select="ac3_encoder"
1831 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
1832 eatgq_decoder_select="aandcttables idctdsp"
1833 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
1834 exr_decoder_deps="zlib"
1835 ffv1_decoder_select="golomb rangecoder"
1836 ffv1_encoder_select="rangecoder"
1837 ffvhuff_decoder_select="huffyuv_decoder"
1838 ffvhuff_encoder_select="huffyuv_encoder"
1839 fic_decoder_select="golomb"
1840 flac_decoder_select="golomb"
1841 flac_encoder_select="bswapdsp golomb lpc"
1842 flashsv_decoder_deps="zlib"
1843 flashsv_encoder_deps="zlib"
1844 flashsv2_decoder_deps="zlib"
1845 flv_decoder_select="h263_decoder"
1846 flv_encoder_select="h263_encoder"
1847 fourxm_decoder_select="blockdsp bswapdsp"
1848 fraps_decoder_select="bswapdsp huffman"
1849 g2m_decoder_deps="zlib"
1850 g2m_decoder_select="blockdsp idctdsp jpegtables"
1851 h261_decoder_select="mpeg_er mpegvideo"
1852 h261_encoder_select="aandcttables mpegvideoenc"
1853 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
1854 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1855 h263i_decoder_select="h263_decoder"
1856 h263p_encoder_select="h263_encoder"
1857 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
1858 h264_decoder_suggest="error_resilience"
1859 h264_nvenc_encoder_deps="nvenc"
1860 h264_qsv_decoder_deps="libmfx"
1861 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
1862 h264_qsv_encoder_deps="libmfx"
1863 h264_qsv_encoder_select="qsvenc"
1864 hevc_decoder_select="bswapdsp cabac golomb videodsp"
1865 hevc_nvenc_encoder_deps="nvenc"
1866 huffyuv_decoder_select="bswapdsp huffyuvdsp"
1867 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
1868 iac_decoder_select="imc_decoder"
1869 imc_decoder_select="bswapdsp fft mdct sinewin"
1870 indeo3_decoder_select="hpeldsp"
1871 interplay_video_decoder_select="hpeldsp"
1872 jpegls_decoder_select="golomb mjpeg_decoder"
1873 jpegls_encoder_select="golomb"
1874 jv_decoder_select="blockdsp"
1875 lagarith_decoder_select="huffyuvdsp"
1876 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
1877 loco_decoder_select="golomb"
1878 mdec_decoder_select="blockdsp idctdsp mpegvideo"
1879 metasound_decoder_select="lsp mdct sinewin"
1880 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
1881 mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
1882 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
1883 mjpegb_decoder_select="mjpeg_decoder"
1884 mlp_decoder_select="mlp_parser"
1885 motionpixels_decoder_select="bswapdsp"
1886 mp1_decoder_select="mpegaudio"
1887 mp1float_decoder_select="mpegaudio"
1888 mp2_decoder_select="mpegaudio"
1889 mp2float_decoder_select="mpegaudio"
1890 mp3_decoder_select="mpegaudio"
1891 mp3adu_decoder_select="mpegaudio"
1892 mp3adufloat_decoder_select="mpegaudio"
1893 mp3float_decoder_select="mpegaudio"
1894 mp3on4_decoder_select="mpegaudio"
1895 mp3on4float_decoder_select="mpegaudio"
1896 mpc7_decoder_select="bswapdsp mpegaudiodsp"
1897 mpc8_decoder_select="mpegaudiodsp"
1898 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1899 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1900 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
1901 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1902 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
1903 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1904 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1905 mpeg4_encoder_select="h263_encoder"
1906 msmpeg4v1_decoder_select="h263_decoder"
1907 msmpeg4v2_decoder_select="h263_decoder"
1908 msmpeg4v2_encoder_select="h263_encoder"
1909 msmpeg4v3_decoder_select="h263_decoder"
1910 msmpeg4v3_encoder_select="h263_encoder"
1911 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
1912 mxpeg_decoder_select="mjpeg_decoder"
1913 nellymoser_decoder_select="mdct sinewin"
1914 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1915 nuv_decoder_select="idctdsp lzo"
1916 on2avc_decoder_select="mdct"
1917 opus_decoder_deps="avresample"
1918 opus_decoder_select="imdct15"
1919 png_decoder_deps="zlib"
1920 png_encoder_deps="zlib"
1921 png_encoder_select="huffyuvencdsp"
1922 prores_decoder_select="idctdsp"
1923 prores_encoder_select="fdctdsp"
1924 qcelp_decoder_select="lsp"
1925 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1926 ra_144_encoder_select="audio_frame_queue lpc"
1927 ralf_decoder_select="golomb"
1928 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
1929 rv10_encoder_select="h263_encoder"
1930 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
1931 rv20_encoder_select="h263_encoder"
1932 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
1933 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
1934 shorten_decoder_select="golomb"
1935 sipr_decoder_select="lsp"
1936 sp5x_decoder_select="mjpeg_decoder"
1937 svq1_decoder_select="hpeldsp"
1938 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
1939 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
1940 svq3_decoder_suggest="zlib"
1941 tak_decoder_select="audiodsp"
1942 tdsc_decoder_deps="zlib"
1943 tdsc_decoder_select="mjpeg_decoder"
1944 theora_decoder_select="vp3_decoder"
1945 thp_decoder_select="mjpeg_decoder"
1946 tiff_decoder_suggest="zlib"
1947 tiff_encoder_suggest="zlib"
1948 truehd_decoder_select="mlp_decoder"
1949 truemotion2_decoder_select="bswapdsp"
1950 truespeech_decoder_select="bswapdsp"
1951 tscc_decoder_deps="zlib"
1952 twinvq_decoder_select="mdct lsp sinewin"
1953 utvideo_decoder_select="bswapdsp"
1954 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
1955 vble_decoder_select="huffyuvdsp"
1956 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
1957 vc1image_decoder_select="vc1_decoder"
1958 vorbis_decoder_select="mdct"
1959 vorbis_encoder_select="mdct"
1960 vp3_decoder_select="hpeldsp vp3dsp videodsp"
1961 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1962 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
1963 vp6a_decoder_select="vp6_decoder"
1964 vp6f_decoder_select="vp6_decoder"
1965 vp7_decoder_select="h264pred videodsp"
1966 vp8_decoder_select="h264pred videodsp"
1967 vp9_decoder_select="videodsp"
1968 webp_decoder_select="vp8_decoder"
1969 wmapro_decoder_select="mdct sinewin wma_freqs"
1970 wmav1_decoder_select="mdct sinewin wma_freqs"
1971 wmav1_encoder_select="mdct sinewin wma_freqs"
1972 wmav2_decoder_select="mdct sinewin wma_freqs"
1973 wmav2_encoder_select="mdct sinewin wma_freqs"
1974 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1975 wmv1_decoder_select="h263_decoder"
1976 wmv1_encoder_select="h263_encoder"
1977 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"
1978 wmv2_encoder_select="h263_encoder"
1979 wmv3_decoder_select="vc1_decoder"
1980 wmv3image_decoder_select="wmv3_decoder"
1981 zerocodec_decoder_deps="zlib"
1982 zlib_decoder_deps="zlib"
1983 zlib_encoder_deps="zlib"
1984 zmbv_decoder_deps="zlib"
1985 zmbv_encoder_deps="zlib"
1986
1987 # hardware accelerators
1988 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
1989 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
1990 vaapi_deps="va_va_h"
1991 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1992 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
1993 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1994
1995 h263_vaapi_hwaccel_deps="vaapi"
1996 h263_vaapi_hwaccel_select="h263_decoder"
1997 h263_vdpau_hwaccel_deps="vdpau"
1998 h263_vdpau_hwaccel_select="h263_decoder"
1999 h264_d3d11va_hwaccel_deps="d3d11va"
2000 h264_d3d11va_hwaccel_select="h264_decoder"
2001 h264_dxva2_hwaccel_deps="dxva2"
2002 h264_dxva2_hwaccel_select="h264_decoder"
2003 h264_mmal_decoder_deps="mmal"
2004 h264_mmal_hwaccel_deps="mmal"
2005 h264_mmal_decoder_select="h264_decoder"
2006 h264_mmal_encoder_deps="mmal"
2007 h264_qsv_hwaccel_deps="libmfx"
2008 h264_vaapi_hwaccel_deps="vaapi"
2009 h264_vaapi_hwaccel_select="h264_decoder"
2010 h264_vda_hwaccel_deps="vda"
2011 h264_vda_hwaccel_select="h264_decoder"
2012 h264_vda_old_hwaccel_deps="vda"
2013 h264_vda_old_hwaccel_select="h264_decoder"
2014 h264_vdpau_hwaccel_deps="vdpau"
2015 h264_vdpau_hwaccel_select="h264_decoder"
2016 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2017 hevc_d3d11va_hwaccel_select="hevc_decoder"
2018 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2019 hevc_dxva2_hwaccel_select="hevc_decoder"
2020 mpeg1_vdpau_hwaccel_deps="vdpau"
2021 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2022 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2023 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2024 mpeg2_dxva2_hwaccel_deps="dxva2"
2025 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2026 mpeg2_vaapi_hwaccel_deps="vaapi"
2027 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2028 mpeg2_vdpau_hwaccel_deps="vdpau"
2029 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2030 mpeg4_vaapi_hwaccel_deps="vaapi"
2031 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2032 mpeg4_vdpau_hwaccel_deps="vdpau"
2033 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2034 vc1_d3d11va_hwaccel_deps="d3d11va"
2035 vc1_d3d11va_hwaccel_select="vc1_decoder"
2036 vc1_dxva2_hwaccel_deps="dxva2"
2037 vc1_dxva2_hwaccel_select="vc1_decoder"
2038 vc1_vaapi_hwaccel_deps="vaapi"
2039 vc1_vaapi_hwaccel_select="vc1_decoder"
2040 vc1_vdpau_hwaccel_deps="vdpau"
2041 vc1_vdpau_hwaccel_select="vc1_decoder"
2042 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2043 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2044 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2045 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2046
2047 # parsers
2048 h264_parser_select="h264_decoder"
2049 mpegvideo_parser_select="mpegvideo"
2050 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
2051 vc1_parser_select="mpegvideo startcode vc1_decoder"
2052
2053 # bitstream_filters
2054 mjpeg2jpeg_bsf_select="jpegtables"
2055
2056 # external libraries
2057 libdcadec_decoder_deps="libdcadec"
2058 libfaac_encoder_deps="libfaac"
2059 libfaac_encoder_select="audio_frame_queue"
2060 libfdk_aac_decoder_deps="libfdk_aac"
2061 libfdk_aac_encoder_deps="libfdk_aac"
2062 libfdk_aac_encoder_select="audio_frame_queue"
2063 libgsm_decoder_deps="libgsm"
2064 libgsm_encoder_deps="libgsm"
2065 libgsm_ms_decoder_deps="libgsm"
2066 libgsm_ms_encoder_deps="libgsm"
2067 libilbc_decoder_deps="libilbc"
2068 libilbc_encoder_deps="libilbc"
2069 libmp3lame_encoder_deps="libmp3lame"
2070 libmp3lame_encoder_select="audio_frame_queue"
2071 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2072 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2073 libopencore_amrnb_encoder_select="audio_frame_queue"
2074 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2075 libopenh264_encoder_deps="libopenh264"
2076 libopenjpeg_decoder_deps="libopenjpeg"
2077 libopenjpeg_encoder_deps="libopenjpeg"
2078 libopus_decoder_deps="libopus"
2079 libopus_encoder_deps="libopus"
2080 libopus_encoder_select="audio_frame_queue"
2081 libschroedinger_decoder_deps="libschroedinger"
2082 libschroedinger_encoder_deps="libschroedinger"
2083 libspeex_decoder_deps="libspeex"
2084 libspeex_encoder_deps="libspeex"
2085 libspeex_encoder_select="audio_frame_queue"
2086 libtheora_encoder_deps="libtheora"
2087 libtwolame_encoder_deps="libtwolame"
2088 libvo_aacenc_encoder_deps="libvo_aacenc"
2089 libvo_aacenc_encoder_select="audio_frame_queue"
2090 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2091 libvorbis_encoder_deps="libvorbis"
2092 libvorbis_encoder_select="audio_frame_queue"
2093 libvpx_vp8_decoder_deps="libvpx"
2094 libvpx_vp8_encoder_deps="libvpx"
2095 libvpx_vp9_decoder_deps="libvpx"
2096 libvpx_vp9_encoder_deps="libvpx"
2097 libwavpack_encoder_deps="libwavpack"
2098 libwebp_encoder_deps="libwebp"
2099 libx264_encoder_deps="libx264"
2100 libx265_encoder_deps="libx265"
2101 libxavs_encoder_deps="libxavs"
2102 libxvid_encoder_deps="libxvid"
2103
2104 # demuxers / muxers
2105 ac3_demuxer_select="ac3_parser"
2106 asf_demuxer_select="riffdec"
2107 asf_muxer_select="riffenc"
2108 asf_stream_muxer_select="asf_muxer"
2109 avi_demuxer_select="riffdec"
2110 avi_muxer_select="riffenc"
2111 avisynth_demuxer_deps="avisynth"
2112 avisynth_demuxer_select="riffdec"
2113 caf_demuxer_select="riffdec"
2114 dash_muxer_select="mp4_muxer"
2115 dirac_demuxer_select="dirac_parser"
2116 dv_demuxer_select="dvprofile"
2117 dv_muxer_select="dvprofile"
2118 dxa_demuxer_select="riffdec"
2119 eac3_demuxer_select="ac3_parser"
2120 f4v_muxer_select="mov_muxer"
2121 flac_demuxer_select="flac_parser"
2122 hds_muxer_select="flv_muxer"
2123 hls_muxer_select="mpegts_muxer"
2124 ipod_muxer_select="mov_muxer"
2125 ismv_muxer_select="mov_muxer"
2126 matroska_audio_muxer_select="matroska_muxer"
2127 matroska_demuxer_select="riffdec"
2128 matroska_demuxer_suggest="bzlib lzo zlib"
2129 matroska_muxer_select="riffenc"
2130 mmf_muxer_select="riffenc"
2131 mov_demuxer_select="riffdec"
2132 mov_demuxer_suggest="zlib"
2133 mov_muxer_select="riffenc rtpenc_chain"
2134 mp3_demuxer_select="mpegaudio_parser"
2135 mp4_muxer_select="mov_muxer"
2136 mpegts_muxer_select="adts_muxer latm_muxer"
2137 mpegtsraw_demuxer_select="mpegts_demuxer"
2138 mxf_d10_muxer_select="mxf_muxer"
2139 nut_muxer_select="riffenc"
2140 nuv_demuxer_select="riffdec"
2141 oga_muxer_select="ogg_muxer"
2142 ogg_demuxer_select="golomb"
2143 opus_muxer_select="ogg_muxer"
2144 psp_muxer_select="mov_muxer"
2145 rtp_demuxer_select="sdp_demuxer"
2146 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2147 rtsp_demuxer_select="http_protocol rtpdec"
2148 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2149 sap_demuxer_select="sdp_demuxer"
2150 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2151 sdp_demuxer_select="rtpdec"
2152 smoothstreaming_muxer_select="ismv_muxer"
2153 spdif_muxer_select="aac_parser"
2154 spx_muxer_select="ogg_muxer"
2155 tak_demuxer_select="tak_parser"
2156 tg2_muxer_select="mov_muxer"
2157 tgp_muxer_select="mov_muxer"
2158 w64_demuxer_select="wav_demuxer"
2159 wav_demuxer_select="riffdec"
2160 wav_muxer_select="riffenc"
2161 webm_muxer_select="riffenc"
2162 wtv_demuxer_select="riffdec"
2163 xmv_demuxer_select="riffdec"
2164 xwma_demuxer_select="riffdec"
2165
2166 # indevs / outdevs
2167 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2168 alsa_outdev_deps="alsa_asoundlib_h"
2169 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2170 dv1394_indev_deps="dv1394"
2171 dv1394_indev_select="dv_demuxer"
2172 fbdev_indev_deps="linux_fb_h"
2173 jack_indev_deps="jack_jack_h pthreads"
2174 libcdio_indev_deps="libcdio"
2175 libdc1394_indev_deps="libdc1394"
2176 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2177 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2178 pulse_indev_deps="libpulse"
2179 sndio_indev_deps="sndio_h"
2180 sndio_outdev_deps="sndio_h"
2181 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2182 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2183 vfwcap_indev_extralibs="-lavicap32"
2184 x11grab_indev_deps="x11grab"
2185 x11grab_xcb_indev_deps="libxcb"
2186
2187 # protocols
2188 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2189 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2190 ffrtmpcrypt_protocol_select="tcp_protocol"
2191 ffrtmphttp_protocol_deps="!librtmp_protocol"
2192 ffrtmphttp_protocol_select="http_protocol"
2193 gopher_protocol_select="network"
2194 http_protocol_select="tcp_protocol"
2195 httpproxy_protocol_select="tcp_protocol"
2196 https_protocol_select="tls_protocol"
2197 icecast_protocol_select="http_protocol"
2198 librtmp_protocol_deps="librtmp"
2199 librtmpe_protocol_deps="librtmp"
2200 librtmps_protocol_deps="librtmp"
2201 librtmpt_protocol_deps="librtmp"
2202 librtmpte_protocol_deps="librtmp"
2203 mmsh_protocol_select="http_protocol"
2204 mmst_protocol_select="network"
2205 rtmp_protocol_deps="!librtmp_protocol"
2206 rtmp_protocol_select="tcp_protocol"
2207 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2208 rtmps_protocol_deps="!librtmp_protocol"
2209 rtmps_protocol_select="tls_protocol"
2210 rtmpt_protocol_select="ffrtmphttp_protocol"
2211 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2212 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2213 rtp_protocol_select="udp_protocol"
2214 sctp_protocol_deps="struct_sctp_event_subscribe"
2215 sctp_protocol_select="network"
2216 srtp_protocol_select="rtp_protocol"
2217 tcp_protocol_select="network"
2218 tls_gnutls_protocol_deps="gnutls"
2219 tls_gnutls_protocol_select="tcp_protocol"
2220 tls_openssl_protocol_deps="openssl !tls_gnutls_protocol"
2221 tls_openssl_protocol_select="tcp_protocol"
2222 tls_protocol_deps_any="tls_gnutls_protocol tls_openssl_protocol"
2223 udp_protocol_select="network"
2224 unix_protocol_deps="sys_un_h"
2225 unix_protocol_select="network"
2226
2227 # filters
2228 blackframe_filter_deps="gpl"
2229 boxblur_filter_deps="gpl"
2230 bs2b_filter_deps="libbs2b"
2231 cropdetect_filter_deps="gpl"
2232 delogo_filter_deps="gpl"
2233 drawtext_filter_deps="libfreetype"
2234 frei0r_filter_deps="frei0r dlopen"
2235 frei0r_filter_extralibs='$ldl'
2236 frei0r_src_filter_deps="frei0r dlopen"
2237 frei0r_src_filter_extralibs='$ldl'
2238 hqdn3d_filter_deps="gpl"
2239 interlace_filter_deps="gpl"
2240 ocv_filter_deps="libopencv"
2241 resample_filter_deps="avresample"
2242 scale_filter_deps="swscale"
2243
2244 # examples
2245 avcodec_example_deps="avcodec avutil"
2246 filter_audio_example_deps="avfilter avutil"
2247 metadata_example_deps="avformat avutil"
2248 output_example_deps="avcodec avformat avutil swscale"
2249 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2250 transcode_aac_example_deps="avcodec avformat avresample"
2251
2252 # libraries, in linking order
2253 avcodec_deps="avutil"
2254 avdevice_deps="avformat avcodec avutil"
2255 avfilter_deps="avutil"
2256 avformat_deps="avcodec avutil"
2257 avresample_deps="avutil"
2258 swscale_deps="avutil"
2259
2260 # programs
2261 avconv_deps="avcodec avfilter avformat avresample swscale"
2262 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2263 fps_filter null_filter resample_filter scale_filter
2264 setpts_filter trim_filter"
2265 avplay_deps="avcodec avformat avresample swscale sdl"
2266 avplay_libs='$sdl_libs'
2267 avplay_select="rdft transpose_filter hflip_filter vflip_filter"
2268 avprobe_deps="avcodec avformat"
2269
2270 # documentation
2271 pod2man_deps="doc"
2272 texi2html_deps="doc"
2273
2274 # default parameters
2275
2276 logfile="config.log"
2277
2278 # installation paths
2279 prefix_default="/usr/local"
2280 bindir_default='${prefix}/bin'
2281 datadir_default='${prefix}/share/avconv'
2282 docdir_default='${prefix}/share/doc/libav'
2283 incdir_default='${prefix}/include'
2284 libdir_default='${prefix}/lib'
2285 mandir_default='${prefix}/share/man'
2286 shlibdir_default="$libdir_default"
2287
2288 # toolchain
2289 ar_default="ar"
2290 cc_default="gcc"
2291 host_cc_default="gcc"
2292 cp_f="cp -f"
2293 ln_s="ln -s -f"
2294 nm_default="nm -g"
2295 objformat="elf"
2296 pkg_config_default=pkg-config
2297 ranlib="ranlib"
2298 strip="strip"
2299 yasmexe="yasm"
2300
2301 # machine
2302 arch_default=$(uname -m)
2303 cpu="generic"
2304 intrinsics="none"
2305
2306 # OS
2307 target_os_default=$(tolower $(uname -s))
2308 host_os=$target_os_default
2309
2310 # configurable options
2311 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2312
2313 enable asm
2314 enable debug
2315 enable doc
2316 enable faan faandct faanidct
2317 enable optimizations
2318 enable safe_bitstream_reader
2319 enable static
2320 enable swscale_alpha
2321 enable valgrind_backtrace
2322
2323 # By default, enable only those hwaccels that have no external dependencies.
2324 enable d3d11va dxva2 vda vdpau
2325
2326 # build settings
2327 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2328 LIBPREF="lib"
2329 LIBSUF=".a"
2330 FULLNAME='$(NAME)$(BUILDSUF)'
2331 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2332 SLIBPREF="lib"
2333 SLIBSUF=".so"
2334 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2335 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2336 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2337 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2338 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2339 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2340
2341 asflags_filter=echo
2342 cflags_filter=echo
2343 ldflags_filter=echo
2344
2345 AS_C='-c'
2346 AS_O='-o $@'
2347 CC_C='-c'
2348 CC_E='-E -o $@'
2349 CC_O='-o $@'
2350 LD_O='-o $@'
2351 LD_LIB='-l%'
2352 LD_PATH='-L'
2353 HOSTCC_C='-c'
2354 HOSTCC_E='-E -o $@'
2355 HOSTCC_O='-o $@'
2356 HOSTLD_O='-o $@'
2357
2358 host_libs='-lm'
2359 host_cflags_filter=echo
2360 host_ldflags_filter=echo
2361
2362 target_path='$(CURDIR)'
2363
2364 # since the object filename is not given with the -MM flag, the compiler
2365 # is only able to print the basename, and we must add the path ourselves
2366 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2367 DEPFLAGS='-MM'
2368
2369 # find source path
2370 if test -f configure; then
2371 source_path=.
2372 else
2373 source_path=$(cd $(dirname "$0"); pwd)
2374 echo "$source_path" | grep -q '[[:blank:]]' &&
2375 die "Out of tree builds are impossible with whitespace in source path."
2376 test -e "$source_path/config.h" &&
2377 die "Out of tree builds are impossible with config.h in source dir."
2378 fi
2379
2380 for v in "$@"; do
2381 r=${v#*=}
2382 l=${v%"$r"}
2383 r=$(sh_quote "$r")
2384 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2385 done
2386
2387 find_things(){
2388 thing=$1
2389 pattern=$2
2390 file=$source_path/$3
2391 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2392 }
2393
2394 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2395 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2396 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2397 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2398 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2399 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2400 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2401 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2402 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2403 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2404 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2405
2406 ALL_COMPONENTS="
2407 $BSF_LIST
2408 $DECODER_LIST
2409 $DEMUXER_LIST
2410 $ENCODER_LIST
2411 $FILTER_LIST
2412 $HWACCEL_LIST
2413 $INDEV_LIST
2414 $MUXER_LIST
2415 $OUTDEV_LIST
2416 $PARSER_LIST
2417 $PROTOCOL_LIST
2418 "
2419
2420 for n in $COMPONENT_LIST; do
2421 v=$(toupper ${n%s})_LIST
2422 eval enable \$$v
2423 eval ${n}_if_any="\$$v"
2424 done
2425
2426 enable $ARCH_EXT_LIST
2427
2428 die_unknown(){
2429 echo "Unknown option \"$1\"."
2430 echo "See $0 --help for available options."
2431 exit 1
2432 }
2433
2434 print_3_columns() {
2435 cat | tr ' ' '\n' | sort | pr -r -3 -t
2436 }
2437
2438 show_list() {
2439 suffix=_$1
2440 shift
2441 echo $* | sed s/$suffix//g | print_3_columns
2442 exit 0
2443 }
2444
2445 rand_list(){
2446 IFS=', '
2447 set -- $*
2448 unset IFS
2449 for thing; do
2450 comp=${thing%:*}
2451 prob=${thing#$comp}
2452 prob=${prob#:}
2453 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2454 echo "prob ${prob:-0.5}"
2455 printf '%s\n' $comp
2456 done
2457 }
2458
2459 do_random(){
2460 action=$1
2461 shift
2462 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2463 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2464 }
2465
2466 for opt do
2467 optval="${opt#*=}"
2468 case "$opt" in
2469 --extra-ldflags=*)
2470 add_ldflags $optval
2471 ;;
2472 --extra-ldexeflags=*)
2473 add_ldexeflags $optval
2474 ;;
2475 --extra-libs=*)
2476 add_extralibs $optval
2477 ;;
2478 --disable-devices)
2479 disable $INDEV_LIST $OUTDEV_LIST
2480 ;;
2481 --enable-debug=*)
2482 debuglevel="$optval"
2483 ;;
2484 --disable-programs)
2485 disable $PROGRAM_LIST
2486 ;;
2487 --disable-everything)
2488 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2489 ;;
2490 --disable-all)
2491 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2492 disable $LIBRARY_LIST $PROGRAM_LIST doc
2493 ;;
2494 --enable-random|--disable-random)
2495 action=${opt%%-random}
2496 do_random ${action#--} $COMPONENT_LIST
2497 ;;
2498 --enable-random=*|--disable-random=*)
2499 action=${opt%%-random=*}
2500 do_random ${action#--} $optval
2501 ;;
2502 --enable-*=*|--disable-*=*)
2503 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2504 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2505 eval list=\$$(toupper $thing)_LIST
2506 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2507 $action $(filter "$name" $list)
2508 ;;
2509 --enable-avserver|--disable-avserver*)
2510 warn "avserver has been removed, the ${opt} option is only"\
2511 "provided for compatibility and will be removed in the future"
2512 ;;
2513 --enable-?*|--disable-?*)
2514 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2515 if is_in $option $COMPONENT_LIST; then
2516 test $action = disable && action=unset
2517 eval $action \$$(toupper ${option%s})_LIST
2518 elif is_in $option $CMDLINE_SELECT; then
2519 $action $option
2520 else
2521 die_unknown $opt
2522 fi
2523 ;;
2524 --list-*)
2525 NAME="${opt#--list-}"
2526 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2527 NAME=${NAME%s}
2528 eval show_list $NAME \$$(toupper $NAME)_LIST
2529 ;;
2530 --help|-h) show_help
2531 ;;
2532 *)
2533 optname="${opt%%=*}"
2534 optname="${optname#--}"
2535 optname=$(echo "$optname" | sed 's/-/_/g')
2536 if is_in $optname $CMDLINE_SET; then
2537 eval $optname='$optval'
2538 elif is_in $optname $CMDLINE_APPEND; then
2539 append $optname "$optval"
2540 else
2541 die_unknown $opt
2542 fi
2543 ;;
2544 esac
2545 done
2546
2547 for e in $env; do
2548 eval "export $e"
2549 done
2550
2551 disabled logging && logfile=/dev/null
2552
2553 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2554 set >> $logfile
2555
2556 case "$toolchain" in
2557 clang-asan)
2558 cc_default="clang"
2559 add_cflags -fsanitize=address
2560 add_ldflags -fsanitize=address
2561 ;;
2562 clang-tsan)
2563 cc_default="clang"
2564 add_cflags -fsanitize=thread -pie
2565 add_ldflags -fsanitize=thread -pie
2566 ;;
2567 clang-usan)
2568 cc_default="clang"
2569 add_cflags -fsanitize=undefined -O1
2570 add_ldflags -fsanitize=undefined
2571 ;;
2572 gcc-asan)
2573 cc_default="gcc"
2574 add_cflags -fsanitize=address
2575 add_ldflags -fsanitize=address
2576 ;;
2577 gcc-tsan)
2578 cc_default="gcc"
2579 add_cflags -fsanitize=thread -pie -fPIC
2580 add_ldflags -fsanitize=thread -pie -fPIC
2581 ;;
2582 gcc-usan)
2583 cc_default="gcc"
2584 add_cflags -fsanitize=undefined
2585 add_ldflags -fsanitize=undefined
2586 ;;
2587 valgrind-massif)
2588 target_exec_default="valgrind"
2589 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2590 ;;
2591 valgrind-memcheck)
2592 target_exec_default="valgrind"
2593 target_exec_args="--track-origins=yes --leak-check=full"
2594 ;;
2595 msvc)
2596 # Check whether the current MSVC version needs the C99 converter.
2597 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2598 # support enough of C99 to build libav. Default to the new
2599 # behaviour if the regexp was unable to match anything, since this
2600 # successfully parses the version number of existing supported
2601 # versions that require the converter (MSVC 2010 and 2012).
2602 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2603 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2604 cc_default="cl"
2605 else
2606 cc_default="c99wrap cl"
2607 fi
2608 ld_default="link"
2609 nm_default="dumpbin -symbols"
2610 ar_default="lib"
2611 target_os_default="win32"
2612 # Use a relative path for TMPDIR. This makes sure all the
2613 # ffconf temp files are written with a relative path, avoiding
2614 # issues with msys/win32 path conversion for MSVC parameters
2615 # such as -Fo<file> or -out:<file>.
2616 TMPDIR=.
2617 ;;
2618 icl)
2619 cc_default="icl"
2620 ld_default="xilink"
2621 nm_default="dumpbin -symbols"
2622 ar_default="xilib"
2623 target_os_default="win32"
2624 TMPDIR=.
2625 ;;
2626 gcov)
2627 add_cflags -fprofile-arcs -ftest-coverage
2628 add_ldflags -fprofile-arcs -ftest-coverage
2629 ;;
2630 hardened)
2631 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
2632 add_cflags -fno-strict-overflow -fstack-protector-all
2633 add_ldflags -Wl,-z,relro -Wl,-z,now
2634 ;;
2635 ?*)
2636 die "Unknown toolchain $toolchain"
2637 ;;
2638 esac
2639
2640 test -n "$cross_prefix" && enable cross_compile
2641
2642 if enabled cross_compile; then
2643 test -n "$arch" && test -n "$target_os" ||
2644 die "Must specify target arch and OS when cross-compiling"
2645 fi
2646
2647 ar_default="${cross_prefix}${ar_default}"
2648 cc_default="${cross_prefix}${cc_default}"
2649 nm_default="${cross_prefix}${nm_default}"
2650 pkg_config_default="${cross_prefix}${pkg_config_default}"
2651 ranlib="${cross_prefix}${ranlib}"
2652 strip="${cross_prefix}${strip}"
2653
2654 sysinclude_default="${sysroot}/usr/include"
2655
2656 set_default arch cc pkg_config sysinclude target_exec target_os
2657 enabled cross_compile || host_cc_default=$cc
2658 set_default host_cc
2659
2660 if ! $pkg_config --version >/dev/null 2>&1; then
2661 warn "$pkg_config not found, library detection may fail."
2662 pkg_config=false
2663 fi
2664
2665 exesuf() {
2666 case $1 in
2667 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2668 esac
2669 }
2670
2671 EXESUF=$(exesuf $target_os)
2672 HOSTEXESUF=$(exesuf $host_os)
2673
2674 # set temporary file name
2675 : ${TMPDIR:=$TEMPDIR}
2676 : ${TMPDIR:=$TMP}
2677 : ${TMPDIR:=/tmp}
2678
2679 if ! check_cmd mktemp -u XXXXXX; then
2680 # simple replacement for missing mktemp
2681 # NOT SAFE FOR GENERAL USE
2682 mktemp(){
2683 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2684 }
2685 fi
2686
2687 tmpfile(){
2688 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2689 (set -C; exec > $tmp) 2>/dev/null ||
2690 die "Unable to create temporary file in $TMPDIR."
2691 append TMPFILES $tmp
2692 eval $1=$tmp
2693 }
2694
2695 trap 'rm -f -- $TMPFILES' EXIT
2696
2697 tmpfile TMPASM .asm
2698 tmpfile TMPC .c
2699 tmpfile TMPE $EXESUF
2700 tmpfile TMPH .h
2701 tmpfile TMPO .o
2702 tmpfile TMPS .S
2703 tmpfile TMPSH .sh
2704 tmpfile TMPV .ver
2705
2706 unset -f mktemp
2707
2708 chmod +x $TMPE
2709
2710 # make sure we can execute files in $TMPDIR
2711 cat > $TMPSH 2>> $logfile <<EOF
2712 #! /bin/sh
2713 EOF
2714 chmod +x $TMPSH >> $logfile 2>&1
2715 if ! $TMPSH >> $logfile 2>&1; then
2716 cat <<EOF
2717 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2718 variable to another directory and make sure that it is not mounted noexec.
2719 EOF
2720 die "Sanity test failed."
2721 fi
2722
2723 armasm_flags(){
2724 for flag; do
2725 case $flag in
2726 # Filter out MSVC cl.exe options from cflags that shouldn't
2727 # be passed to gas-preprocessor
2728 -M[TD]*) ;;
2729 *) echo $flag ;;
2730 esac
2731 done
2732 }
2733
2734 ccc_flags(){
2735 for flag; do
2736 case $flag in
2737 -std=c99) echo -c99 ;;
2738 -mcpu=*) echo -arch ${flag#*=} ;;
2739 -mieee) echo -ieee ;;
2740 -O*|-fast) echo $flag ;;
2741 -fno-math-errno) echo -assume nomath_errno ;;
2742 -g) echo -g3 ;;
2743 -Wall) echo -msg_enable level2 ;;
2744 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2745 -Wl,*) echo $flag ;;
2746 -f*|-W*) ;;
2747 *) echo $flag ;;
2748 esac
2749 done
2750 }
2751
2752 cparser_flags(){
2753 for flag; do
2754 case $flag in
2755 -Wno-switch) echo -Wno-switch-enum ;;
2756 -Wno-format-zero-length) ;;
2757 -Wdisabled-optimization) ;;
2758 -Wno-pointer-sign) echo -Wno-other ;;
2759 *) echo $flag ;;
2760 esac
2761 done
2762 }
2763
2764 msvc_common_flags(){
2765 for flag; do
2766 case $flag in
2767 # In addition to specifying certain flags under the compiler
2768 # specific filters, they must be specified here as well or else the
2769 # generic catch all at the bottom will print the original flag.
2770 -Wall) ;;
2771 -std=c99) ;;
2772 # Common flags
2773 -fomit-frame-pointer) ;;
2774 -g) echo -Z7 ;;
2775 -fno-math-errno) ;;
2776 -fno-common) ;;
2777 -fno-signed-zeros) ;;
2778 -fPIC) ;;
2779 -mthumb) ;;
2780 -march=*) ;;
2781 -lz) echo zlib.lib ;;
2782 -lavifil32) echo vfw32.lib ;;
2783 -lavicap32) echo vfw32.lib user32.lib ;;
2784 -l*) echo ${flag#-l}.lib ;;
2785 -L*) echo -libpath:${flag#-L} ;;
2786 *) echo $flag ;;
2787 esac
2788 done
2789 }
2790
2791 msvc_flags(){
2792 msvc_common_flags "$@"
2793 for flag; do
2794 case $flag in
2795 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2796 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2797 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2798 -wd4273 -wd4554 -wd4701 ;;
2799 esac
2800 done
2801 }
2802
2803 icl_flags(){
2804 msvc_common_flags "$@"
2805 for flag; do
2806 case $flag in
2807 # Despite what Intel's documentation says -Wall, which is supported
2808 # on Windows, does enable remarks so disable them here.
2809 -Wall) echo $flag -Qdiag-disable:remark ;;
2810 -std=c99) echo -Qstd=c99 ;;
2811 esac
2812 done
2813 }
2814
2815 pgi_flags(){
2816 for flag; do
2817 case $flag in
2818 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2819 -fomit-frame-pointer) echo -Mnoframe ;;
2820 -g) echo -gopt ;;
2821 *) echo $flag ;;
2822 esac
2823 done
2824 }
2825
2826 suncc_flags(){
2827 for flag; do
2828 case $flag in
2829 -march=*|-mcpu=*)
2830 case "${flag#*=}" in
2831 native) echo -xtarget=native ;;
2832 v9|niagara) echo -xarch=sparc ;;
2833 ultrasparc) echo -xarch=sparcvis ;;
2834 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2835 i586|pentium) echo -xchip=pentium ;;
2836 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2837 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2838 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2839 pentium4*) echo -xtarget=pentium4 ;;
2840 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2841 *-sse3) echo -xarch=sse3 ;;
2842 core2) echo -xarch=ssse3 -xchip=core2 ;;
2843 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2844 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2845 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
2846 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2847 k8|opteron|athlon64|athlon-fx)
2848 echo -xarch=sse2a ;;
2849 athlon*) echo -xarch=pentium_proa ;;
2850 esac
2851 ;;
2852 -std=c99) echo -xc99 ;;
2853 -fomit-frame-pointer) echo -xregs=frameptr ;;
2854 -fPIC) echo -KPIC -xcode=pic32 ;;
2855 -W*,*) echo $flag ;;
2856 -f*-*|-W*|-mimpure-text) ;;
2857 -shared) echo -G ;;
2858 *) echo $flag ;;
2859 esac
2860 done
2861 }
2862
2863 tms470_flags(){
2864 for flag; do
2865 case $flag in
2866 -march=*|-mcpu=*)
2867 case "${flag#*=}" in
2868 armv7-a|cortex-a*) echo -mv=7a8 ;;
2869 armv7-r|cortex-r*) echo -mv=7r4 ;;
2870 armv7-m|cortex-m*) echo -mv=7m3 ;;
2871 armv6*|arm11*) echo -mv=6 ;;
2872 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2873 echo -mv=5e ;;
2874 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2875 esac
2876 ;;
2877 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2878 -mfpu=vfp) echo --float_support=vfpv2 ;;
2879 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2880 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
2881 -msoft-float) echo --float_support=vfplib ;;
2882 -O[0-3]|-mf=*) echo $flag ;;
2883 -g) echo -g -mn ;;
2884 -pds=*) echo $flag ;;
2885 -D*|-I*) echo $flag ;;
2886 --gcc|--abi=*) echo $flag ;;
2887 -me) echo $flag ;;
2888 esac
2889 done
2890 }
2891
2892 probe_cc(){
2893 pfx=$1
2894 _cc=$2
2895
2896 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2897 unset _ld_o _ldflags _ld_lib _ld_path
2898 unset _depflags _DEPCMD _DEPFLAGS
2899 _flags_filter=echo
2900
2901 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2902 _type=llvm_gcc
2903 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2904 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2905 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2906 _cflags_speed='-O3'
2907 _cflags_size='-Os'
2908 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2909 _type=gcc
2910 gcc_version=$($_cc --version | head -n1)
2911 gcc_basever=$($_cc -dumpversion)
2912 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2913 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2914 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2915 if ! $_cc -dumpversion | grep -q '^2\.'; then
2916 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2917 fi
2918 _cflags_speed='-O3'
2919 _cflags_size='-Os'
2920 elif $_cc --version 2>/dev/null | grep -q ^icc; then
2921 _type=icc
2922 _ident=$($_cc --version | head -n1)
2923 _depflags='-MMD'
2924 _cflags_speed='-O3'
2925 _cflags_size='-Os'
2926 _cflags_noopt='-O1'
2927 elif $_cc -v 2>&1 | grep -q xlc; then
2928 _type=xlc
2929 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2930 _cflags_speed='-O5'
2931 _cflags_size='-O5 -qcompact'
2932 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2933 _type=ccc
2934 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2935 _DEPFLAGS='-M'
2936 _cflags_speed='-fast'
2937 _cflags_size='-O1'
2938 _flags_filter=ccc_flags
2939 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
2940 test -d "$sysroot" || die "No valid sysroot specified."
2941 _type=armcc
2942 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
2943 armcc_conf="$PWD/armcc.conf"
2944 $_cc --arm_linux_configure \
2945 --arm_linux_config_file="$armcc_conf" \
2946 --configure_sysroot="$sysroot" \
2947 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2948 die "Error creating armcc configuration file."
2949 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2950 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2951 as_default="${cross_prefix}gcc"
2952 _depflags='-MMD'
2953 _cflags_speed='-O3'
2954 _cflags_size='-Os'
2955 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2956 _type=tms470
2957 _ident=$($_cc -version | head -n1 | tr -s ' ')
2958 _flags='--gcc --abi=eabi -me'
2959 _cc_e='-ppl -fe=$@'
2960 _cc_o='-fe=$@'
2961 _depflags='-ppa -ppd=$(@:.o=.d)'
2962 _cflags_speed='-O3 -mf=5'
2963 _cflags_size='-O3 -mf=2'
2964 _flags_filter=tms470_flags
2965 elif $_cc -v 2>&1 | grep -q clang; then
2966 _type=clang
2967 _ident=$($_cc --version | head -n1)
2968 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2969 _cflags_speed='-O3'
2970 _cflags_size='-Os'
2971 elif $_cc -V 2>&1 | grep -q Sun; then
2972 _type=suncc
2973 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2974 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2975 _DEPFLAGS='-xM1 -xc99'
2976 _ldflags='-std=c99'
2977 _cflags_speed='-O5'
2978 _cflags_size='-O5 -xspace'
2979 _flags_filter=suncc_flags
2980 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2981 _type=pathscale
2982 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2983 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2984 _cflags_speed='-O2'
2985 _cflags_size='-Os'
2986 _flags_filter='filter_out -Wdisabled-optimization'
2987 elif $_cc -v 2>&1 | grep -q Open64; then
2988 _type=open64
2989 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2990 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2991 _cflags_speed='-O2'
2992 _cflags_size='-Os'
2993 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2994 elif $_cc -V 2>&1 | grep -q Portland; then
2995 _type=pgi
2996 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2997 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
2998 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2999 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3000 _cflags_noopt="-O1"
3001 _flags_filter=pgi_flags
3002 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3003 _type=armasm
3004 _ident=$($_cc | head -n1)
3005 # 4509: "This form of conditional instruction is deprecated"
3006 _flags="-nologo -ignore 4509"
3007 _flags_filter=armasm_flags
3008 elif $_cc 2>&1 | grep -q Microsoft; then
3009 _type=msvc
3010 _ident=$($_cc 2>&1 | head -n1)
3011 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3012 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3013 _cflags_speed="-O2"
3014 _cflags_size="-O1"
3015 if $_cc 2>&1 | grep -q Linker; then
3016 _ld_o='-out:$@'
3017 else
3018 _ld_o='-Fe$@'
3019 fi
3020 _cc_o='-Fo$@'
3021 _cc_e='-P -Fi$@'
3022 _flags_filter=msvc_flags
3023 _ld_lib='lib%.a'
3024 _ld_path='-libpath:'
3025 _flags='-nologo'
3026 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3027 elif $_cc 2>&1 | grep -q Intel; then
3028 _type=icl
3029 _ident=$($_cc 2>&1 | head -n1)
3030 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3031 # Not only is O3 broken on 13.x+ but it is slower on all previous
3032 # versions (tested) as well.
3033 _cflags_speed="-O2"
3034 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3035 if $_cc 2>&1 | grep -q Linker; then
3036 _ld_o='-out:$@'
3037 else
3038 _ld_o='-Fe$@'
3039 fi
3040 _cc_o='-Fo$@'
3041 _cc_e='-P'
3042 _flags_filter=icl_flags
3043 _ld_lib='lib%.a'
3044 _ld_path='-libpath:'
3045 # -Qdiag-error to make icl error when seeing certain unknown arguments
3046 _flags='-nologo -Qdiag-error:4044,10157'
3047 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3048 # with MSVC which enables it by default.
3049 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
3050 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3051 _type=cparser
3052 _ident=$($_cc --version | head -n1)
3053 _depflags='-MMD'
3054 _cflags_speed='-O4'
3055 _cflags_size='-O2'
3056 _flags_filter=cparser_flags
3057 fi
3058
3059 eval ${pfx}_type=\$_type
3060 eval ${pfx}_ident=\$_ident
3061 }
3062
3063 set_ccvars(){
3064 eval ${1}_C=\${_cc_c-\${${1}_C}}
3065 eval ${1}_E=\${_cc_e-\${${1}_E}}
3066 eval ${1}_O=\${_cc_o-\${${1}_O}}
3067
3068 if [ -n "$_depflags" ]; then
3069 eval ${1}_DEPFLAGS=\$_depflags
3070 else
3071 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3072 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3073 eval DEP${1}FLAGS=\$_flags
3074 fi
3075 }
3076
3077 probe_cc cc "$cc"
3078 cflags_filter=$_flags_filter
3079 cflags_speed=$_cflags_speed
3080 cflags_size=$_cflags_size
3081 cflags_noopt=$_cflags_noopt
3082 add_cflags $_flags $_cflags
3083 cc_ldflags=$_ldflags
3084 set_ccvars CC
3085
3086 probe_cc hostcc "$host_cc"
3087 host_cflags_filter=$_flags_filter
3088 add_host_cflags $_flags $_cflags
3089 set_ccvars HOSTCC
3090
3091 test -n "$cc_type" && enable $cc_type ||
3092 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3093
3094 : ${as_default:=$cc}
3095 : ${dep_cc_default:=$cc}
3096 : ${ld_default:=$cc}
3097 : ${host_ld_default:=$host_cc}
3098 set_default ar as dep_cc ld host_ld
3099
3100 probe_cc as "$as"
3101 asflags_filter=$_flags_filter
3102 add_asflags $_flags $_cflags
3103 set_ccvars AS
3104
3105 probe_cc ld "$ld"
3106 ldflags_filter=$_flags_filter
3107 add_ldflags $_flags $_ldflags
3108 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3109 LD_O=${_ld_o-$LD_O}
3110 LD_LIB=${_ld_lib-$LD_LIB}
3111 LD_PATH=${_ld_path-$LD_PATH}
3112
3113 probe_cc hostld "$host_ld"
3114 host_ldflags_filter=$_flags_filter
3115 add_host_ldflags $_flags $_ldflags
3116 HOSTLD_O=${_ld_o-$HOSTLD_O}
3117
3118 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3119 probe_cc depcc "$dep_cc"
3120 CCDEP=${_DEPCMD:-$DEPCMD}
3121 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3122 DEPCCFLAGS=$_flags
3123 fi
3124
3125 if $ar 2>&1 | grep -q Microsoft; then
3126 arflags="-nologo"
3127 ar_o='-out:$@'
3128 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3129 arflags="rq"
3130 ar_o='$@'
3131 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3132 arflags='-Xany -r -c'
3133 ar_o='$@'
3134 else
3135 arflags="rc"
3136 ar_o='$@'
3137 fi
3138
3139 add_cflags $extra_cflags
3140 add_asflags $extra_cflags
3141
3142 if test -n "$sysroot"; then
3143 case "$cc_type" in
3144 gcc|llvm_gcc|clang)
3145 add_cppflags --sysroot="$sysroot"
3146 add_ldflags --sysroot="$sysroot"
3147 ;;
3148 tms470)
3149 add_cppflags -I"$sysinclude"
3150 add_ldflags --sysroot="$sysroot"
3151 ;;
3152 esac
3153 fi
3154
3155 if test "$cpu" = host; then
3156 enabled cross_compile &&
3157 die "--cpu=host makes no sense when cross-compiling."
3158
3159 case "$cc_type" in
3160 gcc|llvm_gcc)
3161 check_native(){
3162 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3163 sed -n "/cc1.*$1=/{
3164 s/.*$1=\\([^ ]*\\).*/\\1/
3165 p
3166 q
3167 }" $TMPE
3168 }
3169 cpu=$(check_native -march || check_native -mcpu)
3170 ;;
3171 esac
3172
3173 test "${cpu:-host}" = host &&
3174 die "--cpu=host not supported with compiler $cc"
3175 fi
3176
3177 # Deal with common $arch aliases
3178 case "$arch" in
3179 aarch64|arm64)
3180 arch="aarch64"
3181 ;;
3182 arm*)
3183 arch="arm"
3184 ;;
3185 mips*|IP*)
3186 arch="mips"
3187 ;;
3188 parisc*|hppa*)
3189 arch="parisc"
3190 ;;
3191 "Power Macintosh"|ppc*|powerpc*)
3192 arch="ppc"
3193 ;;
3194 s390|s390x)
3195 arch="s390"
3196 ;;
3197 sh4|sh)
3198 arch="sh4"
3199 ;;
3200 sun4u|sparc*)
3201 arch="sparc"
3202 ;;
3203 tilegx|tile-gx)
3204 arch="tilegx"
3205 ;;
3206 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3207 arch="x86"
3208 ;;
3209 esac
3210
3211 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3212 enable $arch
3213
3214 # Add processor-specific flags
3215 if enabled aarch64; then
3216
3217 case $cpu in
3218 armv*)
3219 cpuflags="-march=$cpu"
3220 ;;
3221 *)
3222 cpuflags="-mcpu=$cpu"
3223 ;;
3224 esac
3225
3226 elif enabled alpha; then
3227
3228 cpuflags="-mcpu=$cpu"
3229
3230 elif enabled arm; then
3231
3232 check_arm_arch() {
3233 check_cpp_condition stddef.h \
3234 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3235 $cpuflags
3236 }
3237
3238 probe_arm_arch() {
3239 if check_arm_arch 4; then echo armv4;
3240 elif check_arm_arch 4T; then echo armv4t;
3241 elif check_arm_arch 5; then echo armv5;
3242 elif check_arm_arch 5E; then echo armv5e;
3243 elif check_arm_arch 5T; then echo armv5t;
3244 elif check_arm_arch 5TE; then echo armv5te;
3245 elif check_arm_arch 5TEJ; then echo armv5te;
3246 elif check_arm_arch 6; then echo armv6;
3247 elif check_arm_arch 6J; then echo armv6j;
3248 elif check_arm_arch 6K; then echo armv6k;
3249 elif check_arm_arch 6Z; then echo armv6z;
3250 elif check_arm_arch 6ZK; then echo armv6zk;
3251 elif check_arm_arch 6T2; then echo armv6t2;
3252 elif check_arm_arch 7; then echo armv7;
3253 elif check_arm_arch 7A 7_A; then echo armv7-a;
3254 elif check_arm_arch 7S; then echo armv7-a;
3255 elif check_arm_arch 7R 7_R; then echo armv7-r;
3256 elif check_arm_arch 7M 7_M; then echo armv7-m;
3257 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3258 elif check_arm_arch 8A 8_A; then echo armv8-a;
3259 fi
3260 }
3261
3262 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3263
3264 case $cpu in
3265 armv*)
3266 cpuflags="-march=$cpu"
3267 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3268 ;;
3269 *)
3270 cpuflags="-mcpu=$cpu"
3271 case $cpu in
3272 cortex-a*) subarch=armv7a ;;
3273 cortex-r*) subarch=armv7r ;;
3274 cortex-m*) enable thumb; subarch=armv7m ;;
3275 arm11*) subarch=armv6 ;;
3276 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3277 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3278 *) subarch=$(probe_arm_arch) ;;
3279 esac
3280 ;;
3281 esac
3282
3283 case "$subarch" in
3284 armv5t*) enable fast_clz ;;
3285 armv[6-8]*) enable fast_clz fast_unaligned ;;
3286 esac
3287
3288 elif enabled avr32; then
3289
3290 case $cpu in
3291 ap7[02]0[0-2])
3292 subarch="avr32_ap"
3293 cpuflags="-mpart=$cpu"
3294 ;;
3295 ap)
3296 subarch="avr32_ap"
3297 cpuflags="-march=$cpu"
3298 ;;
3299 uc3[ab]*)
3300 subarch="avr32_uc"
3301 cpuflags="-mcpu=$cpu"
3302 ;;
3303 uc)
3304 subarch="avr32_uc"
3305 cpuflags="-march=$cpu"
3306 ;;
3307 esac
3308
3309 elif enabled bfin; then
3310
3311 cpuflags="-mcpu=$cpu"
3312
3313 elif enabled mips; then
3314
3315 cpuflags="-march=$cpu"
3316
3317 elif enabled ppc; then
3318
3319 disable ldbrx
3320
3321 case $(tolower $cpu) in
3322 601|ppc601|powerpc601)
3323 cpuflags="-mcpu=601"
3324 disable altivec
3325 ;;
3326 603*|ppc603*|powerpc603*)
3327 cpuflags="-mcpu=603"
3328 disable altivec
3329 ;;
3330 604*|ppc604*|powerpc604*)
3331 cpuflags="-mcpu=604"
3332 disable altivec
3333 ;;
3334 g3|75*|ppc75*|powerpc75*)
3335 cpuflags="-mcpu=750"
3336 disable altivec
3337 ;;
3338 g4|745*|ppc745*|powerpc745*)
3339 cpuflags="-mcpu=7450"
3340 disable vsx
3341 ;;
3342 74*|ppc74*|powerpc74*)
3343 cpuflags="-mcpu=7400"
3344 disable vsx
3345 ;;
3346 g5|970|ppc970|powerpc970)
3347 cpuflags="-mcpu=970"
3348 disable vsx
3349 ;;
3350 power[3-6]*)
3351 cpuflags="-mcpu=$cpu"
3352 disable vsx
3353 ;;
3354 power[7-8]*)
3355 cpuflags="-mcpu=$cpu"
3356 enable ldbrx
3357 ;;
3358 cell)
3359 cpuflags="-mcpu=cell"
3360 enable ldbrx
3361 disable vsx
3362 ;;
3363 e500mc)
3364 cpuflags="-mcpu=e500mc"
3365 disable altivec
3366 ;;
3367 e500v2)
3368 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3369 disable altivec
3370 disable dcbzl
3371 ;;
3372 e500)
3373 cpuflags="-mcpu=8540 -mhard-float"
3374 disable altivec
3375 disable dcbzl
3376 ;;
3377 esac
3378
3379 elif enabled sparc; then
3380
3381 case $cpu in
3382 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3383 cpuflags="-mcpu=$cpu"
3384 ;;
3385 ultrasparc*|niagara[234])
3386 cpuflags="-mcpu=$cpu"
3387 ;;
3388 esac
3389
3390 elif enabled x86; then
3391
3392 case $cpu in
3393 i[345]86|pentium)
3394 cpuflags="-march=$cpu"
3395 disable i686
3396 disable mmx
3397 ;;
3398 # targets that do NOT support nopl and conditional mov (cmov)
3399 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3400 cpuflags="-march=$cpu"
3401 disable i686
3402 ;;
3403 # targets that do support nopl and conditional mov (cmov)
3404 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3405 cpuflags="-march=$cpu"
3406 enable i686
3407 enable fast_cmov
3408 ;;
3409 # targets that do support conditional mov but on which it's slow
3410 pentium4|pentium4m|prescott|nocona)
3411 cpuflags="-march=$cpu"
3412 enable i686
3413 disable fast_cmov
3414 ;;
3415 esac
3416
3417 fi
3418
3419 if [ "$cpu" != generic ]; then
3420 add_cflags $cpuflags
3421 add_asflags $cpuflags
3422 fi
3423
3424 # compiler sanity check
3425 check_exec <<EOF
3426 int main(void){ return 0; }
3427 EOF
3428 if test "$?" != 0; then
3429 echo "$cc is unable to create an executable file."
3430 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3431 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3432 echo "Only do this if you know what cross compiling means."
3433 fi
3434 die "C compiler test failed."
3435 fi
3436
3437 add_cppflags -D_ISOC99_SOURCE
3438 check_cflags -std=c99
3439 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3440 #include <stdlib.h>
3441 EOF
3442 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3443 #include <stdlib.h>
3444 EOF
3445
3446 add_host_cppflags -D_ISOC99_SOURCE
3447 check_host_cflags -std=c99
3448 check_host_cflags -Wall
3449 check_host_cflags -O3
3450
3451 check_64bit(){
3452 arch32=$1
3453 arch64=$2
3454 expr=$3
3455 check_code cc "" "int test[2*($expr) - 1]" &&
3456 subarch=$arch64 || subarch=$arch32
3457 }
3458
3459 case "$arch" in
3460 aarch64|alpha|ia64)
3461 spic=$shared
3462 ;;
3463 mips)
3464 check_64bit mips mips64 '_MIPS_SIM > 1'
3465 spic=$shared
3466 ;;
3467 parisc)
3468 check_64bit parisc parisc64 'sizeof(void *) > 4'
3469 spic=$shared
3470 ;;
3471 ppc)
3472 check_64bit ppc ppc64 'sizeof(void *) > 4'
3473 spic=$shared
3474 ;;
3475 s390)
3476 check_64bit s390 s390x 'sizeof(void *) > 4'
3477 spic=$shared
3478 ;;
3479 sparc)
3480 check_64bit sparc sparc64 'sizeof(void *) > 4'
3481 spic=$shared
3482 ;;
3483 x86)
3484 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3485 if test "$subarch" = "x86_64"; then
3486 spic=$shared
3487 fi
3488 ;;
3489 esac
3490
3491 enable $subarch
3492 enabled spic && enable_weak pic
3493
3494 # OS specific
3495 case $target_os in
3496 aix)
3497 SHFLAGS=-shared
3498 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3499 enabled shared && add_ldflags -Wl,-brtl
3500 ;;
3501 android)
3502 disable symver
3503 enable section_data_rel_ro
3504 SLIB_INSTALL_NAME='$(SLIBNAME)'
3505 SLIB_INSTALL_LINKS=
3506 # soname not set on purpose
3507 SHFLAGS=-shared
3508 ;;
3509 haiku)
3510 prefix_default="/boot/common"
3511 network_extralibs="-lnetwork"
3512 host_libs=
3513 ;;
3514 sunos)
3515 SHFLAGS='-shared -Wl,-h,$$(@F)'
3516 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3517 network_extralibs="-lsocket -lnsl"
3518 # When using suncc to build, the Solaris linker will mark
3519 # an executable with each instruction set encountered by
3520 # the Solaris assembler. As our libraries contain their own
3521 # guards for processor-specific code, instead suppress
3522 # generation of the HWCAPS ELF section on Solaris x86 only.
3523 enabled_all suncc x86 &&
3524 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3525 add_ldflags -Wl,-M,mapfile
3526 nm_default='nm -P -g'
3527 ;;
3528 netbsd)
3529 disable symver
3530 oss_indev_extralibs="-lossaudio"
3531 oss_outdev_extralibs="-lossaudio"
3532 ;;
3533 openbsd|bitrig)
3534 disable symver
3535 SHFLAGS='-shared'
3536 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3537 SLIB_INSTALL_LINKS=
3538 oss_indev_extralibs="-lossaudio"
3539 oss_outdev_extralibs="-lossaudio"
3540 ;;
3541 dragonfly)
3542 disable symver
3543 ;;
3544 freebsd)
3545 ;;
3546 bsd/os)
3547 add_extralibs -lpoll -lgnugetopt
3548 ;;
3549 darwin)
3550 enabled ppc && add_asflags -force_cpusubtype_ALL
3551 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3552 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3553 add_ldflags -Wl,-dynamic,-search_paths_first
3554 SLIBSUF=".dylib"
3555 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3556 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3557 objformat="macho"
3558 enabled x86_64 && objformat="macho64"
3559 enabled_any pic shared ||
3560 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3561 ;;
3562 mingw32*)
3563 if test $target_os = "mingw32ce"; then
3564 disable network
3565 else
3566 target_os=mingw32
3567 fi
3568 LIBTARGET=i386
3569 if enabled x86_64; then
3570 LIBTARGET="i386:x86-64"
3571 elif enabled arm; then
3572 LIBTARGET=arm-wince
3573 fi
3574 check_ldflags -Wl,--nxcompat
3575 check_ldflags -Wl,--dynamicbase
3576 shlibdir_default="$bindir_default"
3577 SLIBPREF=""
3578 SLIBSUF=".dll"
3579 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3580 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3581 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3582 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3583 SLIB_INSTALL_LINKS=
3584 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3585 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3586 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3587 objformat="win32"
3588 dlltool="${cross_prefix}dlltool"
3589 ranlib=:
3590 enable dos_paths
3591 ;;
3592 win32|win64)
3593 disable symver
3594 if enabled shared; then
3595 # Link to the import library instead of the normal static library
3596 # for shared libs.
3597 LD_LIB='%.lib'
3598 # Cannot build both shared and static libs with MSVC or icl.
3599 disable static
3600 fi
3601 shlibdir_default="$bindir_default"
3602 SLIBPREF=""
3603 SLIBSUF=".dll"
3604 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3605 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3606 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3607 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3608 SLIB_INSTALL_LINKS=
3609 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3610 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3611 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3612 objformat="win32"
3613 ranlib=:
3614 enable dos_paths
3615 ;;
3616 cygwin*)
3617 target_os=cygwin
3618 shlibdir_default="$bindir_default"
3619 SLIBPREF="cyg"
3620 SLIBSUF=".dll"
3621 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3622 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3623 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3624 SLIB_INSTALL_LINKS=
3625 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3626 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3627 objformat="win32"
3628 enable dos_paths
3629 ;;
3630 *-dos|freedos|opendos)
3631 network_extralibs="-lsocket"
3632 objformat="coff"
3633 enable dos_paths
3634 add_cppflags -U__STRICT_ANSI__
3635 ;;
3636 linux)
3637 enable dv1394
3638 enable section_data_rel_ro
3639 ;;
3640 irix*)
3641 target_os=irix
3642 ranlib="echo ignoring ranlib"
3643 ;;
3644 os/2*)
3645 ln_s="cp -f"
3646 objformat="aout"
3647 add_cppflags -D_GNU_SOURCE
3648 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3649 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3650 LIBSUF="_s.a"
3651 SLIBPREF=""
3652 SLIBSUF=".dll"
3653 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3654 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3655 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3656 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3657 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3658 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3659 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3660 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3661 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3662 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3663 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3664 enable dos_paths
3665 ;;
3666 gnu/kfreebsd)
3667 add_cppflags -D_BSD_SOURCE
3668 ;;
3669 gnu)
3670 ;;
3671 qnx)
3672 add_cppflags -D_QNX_SOURCE
3673 network_extralibs="-lsocket"
3674 ;;
3675 symbian)
3676 SLIBSUF=".dll"
3677 enable dos_paths
3678 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3679 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3680 add_ldflags -Wl,--target1-abs,--no-undefined \
3681 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3682 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3683 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3684 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3685 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3686 ;;
3687 osf1)
3688 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3689 ;;
3690 minix)
3691 ;;
3692 plan9)
3693 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3694 -D_REENTRANT_SOURCE \
3695 -D_RESEARCH_SOURCE \
3696 -DFD_SETSIZE=96 \
3697 -DHAVE_SOCK_OPTS
3698 add_compat strtod.o strtod=avpriv_strtod
3699 network_extralibs='-lbsd'
3700 exeobjs=compat/plan9/main.o
3701 cp_f='cp'
3702 ;;
3703 none)
3704 ;;
3705 *)
3706 die "Unknown OS '$target_os'."
3707 ;;
3708 esac
3709
3710 # determine libc flavour
3711
3712 probe_libc(){
3713 pfx=$1
3714 pfx_no_=${pfx%_}
3715 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3716 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
3717 eval ${pfx}libc_type=uclibc
3718 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3719 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
3720 eval ${pfx}libc_type=glibc
3721 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3722 # MinGW headers can be installed on Cygwin, so check for newlib first.
3723 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3724 eval ${pfx}libc_type=newlib
3725 add_${pfx}cppflags -U__STRICT_ANSI__
3726 # MinGW64 is backwards compatible with MinGW32, so check for it first.
3727 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
3728 eval ${pfx}libc_type=mingw64
3729 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3730 eval test \$${pfx_no_}cc_type = "gcc" &&
3731 add_${pfx}cppflags -D__printf__=__gnu_printf__
3732 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
3733 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
3734 eval ${pfx}libc_type=mingw32
3735 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
3736 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3737 die "ERROR: MinGW32 runtime version must be >= 3.15."
3738 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3739 eval test \$${pfx_no_}cc_type = "gcc" &&
3740 add_${pfx}cppflags -D__printf__=__gnu_printf__
3741 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
3742 eval ${pfx}libc_type=msvcrt
3743 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
3744 if [ "$pfx" = host_ ]; then
3745 add_host_cppflags -Dsnprintf=_snprintf
3746 else
3747 add_compat strtod.o strtod=avpriv_strtod
3748 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3749 _snprintf=avpriv_snprintf \
3750 vsnprintf=avpriv_vsnprintf
3751 fi
3752 fi
3753 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3754 # 0x601 by default unless something else is set by the user.
3755 # This can easily lead to us detecting functions only present
3756 # in such new versions and producing binaries requiring windows 7.0.
3757 # Therefore explicitly set the default to XP unless the user has
3758 # set something else on the command line.
3759 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
3760 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
3761 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
3762 eval ${pfx}libc_type=klibc
3763 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3764 eval ${pfx}libc_type=bionic
3765 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
3766 eval ${pfx}libc_type=solaris
3767 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3768 else
3769 eval ${pfx}libc_type=default
3770 add_${pfx}cppflags -D_DEFAULT_SOURCE
3771 fi
3772 }
3773
3774 probe_libc
3775 test -n "$libc_type" && enable libc_$libc_type
3776 probe_libc host_
3777 test -n "$host_libc_type" && enable host_libc_$host_libc_type
3778
3779 case $libc_type in
3780 bionic)
3781 add_compat strtod.o strtod=avpriv_strtod
3782 ;;
3783 esac
3784
3785 # hacks for compiler/libc/os combinations
3786
3787 if enabled_all tms470 libc_glibc; then
3788 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3789 add_cppflags -D__USER_LABEL_PREFIX__=
3790 add_cppflags -D__builtin_memset=memset
3791 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3792 add_cflags -pds=48 # incompatible redefinition of macro
3793 fi
3794
3795 if enabled_all ccc libc_glibc; then
3796 add_ldflags -Wl,-z,now # calls to libots crash without this
3797 fi
3798
3799 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
3800 add_cppflags '-I\$(SRC_PATH)/compat/float'
3801
3802 esc(){
3803 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3804 }
3805
3806 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
3807
3808 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
3809
3810 set_default $PATHS_LIST
3811 set_default nm
3812
3813 # we need to build at least one lib type
3814 if ! enabled_any static shared; then
3815 cat <<EOF
3816 At least one library type must be built.
3817 Specify --enable-static to build the static libraries or --enable-shared to
3818 build the shared libraries as well. To only build the shared libraries specify
3819 --disable-static in addition to --enable-shared.
3820 EOF
3821 exit 1;
3822 fi
3823
3824 die_license_disabled() {
3825 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3826 }
3827
3828 die_license_disabled gpl libcdio
3829 die_license_disabled gpl libx264
3830 die_license_disabled gpl libx265
3831 die_license_disabled gpl libxavs
3832 die_license_disabled gpl libxvid
3833 die_license_disabled gpl x11grab
3834
3835 die_license_disabled nonfree libfaac
3836 die_license_disabled nonfree libfdk_aac
3837 die_license_disabled nonfree nvenc
3838 die_license_disabled nonfree openssl
3839
3840 die_license_disabled version3 libopencore_amrnb
3841 die_license_disabled version3 libopencore_amrwb
3842 die_license_disabled version3 libvo_aacenc
3843 die_license_disabled version3 libvo_amrwbenc
3844
3845 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3846
3847 disabled optimizations || check_cflags -fomit-frame-pointer
3848
3849 enable_weak_pic() {
3850 disabled pic && return
3851 enable pic
3852 add_cppflags -DPIC
3853 case "$target_os" in
3854 mingw*|cygwin*)
3855 ;;
3856 *)
3857 add_cflags -fPIC
3858 ;;
3859 esac
3860 add_asflags -fPIC
3861 }
3862
3863 enabled pic && enable_weak_pic
3864
3865 check_cc <<EOF || die "Symbol mangling check failed."
3866 int ff_extern;
3867 EOF
3868 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3869 extern_prefix=${sym%%ff_extern*}
3870
3871 check_cc <<EOF && enable_weak inline_asm
3872 void foo(void) { __asm__ volatile ("" ::); }
3873 EOF
3874
3875 _restrict=
3876 for restrict_keyword in restrict __restrict__ __restrict; do
3877 check_cc <<EOF && _restrict=$restrict_keyword && break
3878 void foo(char * $restrict_keyword p);
3879 EOF
3880 done
3881
3882 check_cc <<EOF && enable pragma_deprecated
3883 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
3884 EOF
3885
3886 check_cc <<EOF && enable attribute_packed
3887 struct { int x; } __attribute__((packed)) x;
3888 EOF
3889
3890 check_cc <<EOF && enable attribute_may_alias
3891 union { int x; } __attribute__((may_alias)) x;
3892 EOF
3893
3894 check_cc <<EOF || die "endian test failed"
3895 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3896 EOF
3897 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3898
3899 check_gas() {
3900 log "check_gas using '$as' as AS"
3901 # :vararg is used on aarch64, arm and ppc altivec
3902 check_as <<EOF || return 1
3903 .macro m n, y:vararg=0
3904 \n: .int \y
3905 .endm
3906 m x
3907 EOF
3908 # .altmacro is only used in arm asm
3909 ! enabled arm || check_as <<EOF || return 1
3910 .altmacro
3911 EOF
3912 enable gnu_as
3913 return 0
3914 }
3915
3916 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
3917 nogas=:
3918 enabled_any arm aarch64 && nogas=die
3919 enabled_all ppc altivec && nogas=warn
3920 as_noop=-v
3921
3922 case $as_type in
3923 arm*) gaspp_as_type=armasm; as_noop=-h ;;
3924 gcc) gaspp_as_type=gas ;;
3925 *) gaspp_as_type=$as_type ;;
3926 esac
3927
3928 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
3929
3930 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- $as $as_noop &&
3931 gas="gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- $as"
3932
3933 if ! check_gas ; then
3934 as=${gas:=$as}
3935 check_gas || \
3936 $nogas "GNU assembler not found, install/update gas-preprocessor"
3937 fi
3938
3939 check_as <<EOF && enable as_func
3940 .func test
3941 .endfunc
3942 EOF
3943 fi
3944
3945 check_inline_asm inline_asm_labels '"1:\n"'
3946
3947 if enabled aarch64; then
3948 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
3949 # internal assembler in clang 3.3 does not support this instruction
3950 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
3951 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
3952
3953 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
3954
3955 elif enabled alpha; then
3956
3957 check_cflags -mieee
3958
3959 elif enabled arm; then
3960
3961 check_cpp_condition stddef.h "defined __thumb__" && enable_weak thumb
3962 enabled thumb && check_cflags -mthumb || check_cflags -marm
3963
3964 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3965 enable vfp_args
3966 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3967 case "${cross_prefix:-$cc}" in
3968 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3969 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3970 __asm__ (".eabi_attribute 28, 1");
3971 int main(void) { return 0; }
3972 EOF
3973 esac
3974 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3975 fi
3976
3977 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
3978 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
3979 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
3980 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
3981 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
3982 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
3983
3984 [ $target_os = linux ] || [ $target_os = android ] ||
3985 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
3986 $ARCH_EXT_LIST_ARM
3987
3988 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3989
3990 check_as <<EOF && enable as_dn_directive
3991 ra .dn d0.i16
3992 .unreq ra
3993 EOF
3994
3995 # llvm's integrated assembler supports .object_arch from llvm 3.5
3996 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
3997 .object_arch armv4
3998 EOF
3999
4000 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4001
4002 elif enabled mips; then
4003
4004 check_inline_asm loongson '"dmult.g $1, $2, $3"'
4005
4006 elif enabled parisc; then
4007
4008 if enabled gcc; then
4009 case $($cc -dumpversion) in
4010 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
4011 esac
4012 fi
4013
4014 elif enabled ppc; then
4015
4016 enable local_aligned_8 local_aligned_16
4017
4018 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4019 check_inline_asm ibm_asm '"add 0, 0, 0"'
4020 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4021 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4022
4023 # AltiVec flags: The FSF version of GCC differs from the Apple version
4024 if enabled altivec; then
4025 check_cflags -maltivec -mabi=altivec &&
4026 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4027 check_cflags -faltivec
4028
4029 # check if our compiler supports Motorola AltiVec C API
4030 check_cc <<EOF || disable altivec
4031 $inc_altivec_h
4032 int main(void) {
4033 vector signed int v1 = (vector signed int) { 0 };
4034 vector signed int v2 = (vector signed int) { 1 };
4035 v1 = vec_add(v1, v2);
4036 return 0;
4037 }
4038 EOF
4039
4040 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4041 fi
4042
4043 if enabled vsx; then
4044 check_cflags -mvsx &&
4045 check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx
4046 fi
4047
4048 if enabled power8; then
4049 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
4050 fi
4051
4052 elif enabled x86; then
4053
4054 check_builtin rdtsc intrin.h "__rdtsc()"
4055 check_builtin mm_empty mmintrin.h "_mm_empty()"
4056
4057 enable local_aligned_8 local_aligned_16
4058
4059 # check whether EBP is available on x86
4060 # As 'i' is stored on the stack, this program will crash
4061 # if the base pointer is used to access it because the
4062 # base pointer is cleared in the inline assembly code.
4063 check_exec_crash <<EOF && enable ebp_available
4064 volatile int i=0;
4065 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4066 return i;
4067 EOF
4068
4069 # check whether EBX is available on x86
4070 check_inline_asm ebx_available '""::"b"(0)' &&
4071 check_inline_asm ebx_available '"":::"%ebx"'
4072
4073 # check whether xmm clobbers are supported
4074 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4075
4076 # check whether binutils is new enough to compile SSSE3/MMXEXT
4077 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4078 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4079
4080 if ! disabled_any asm mmx yasm; then
4081 if check_cmd $yasmexe --version; then
4082 enabled x86_64 && yasm_extra="-m amd64"
4083 yasm_debug="-g dwarf2"
4084 elif check_cmd nasm -v; then
4085 yasmexe=nasm
4086 yasm_debug="-g -F dwarf"
4087 enabled x86_64 && test "$objformat" = elf && objformat=elf64
4088 fi
4089
4090 YASMFLAGS="-f $objformat $yasm_extra"
4091 enabled pic && append YASMFLAGS "-DPIC"
4092 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4093 case "$objformat" in
4094 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4095 esac
4096
4097 check_yasm "movbe ecx, [5]" && enable yasm ||
4098 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4099 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
4100 check_yasm "vfmadd132ps ymm0, ymm1, ymm2" || disable fma3_external
4101 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4102 check_yasm "CPU amdnop" || disable cpunop
4103 fi
4104
4105 case "$cpu" in
4106 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4107 disable fast_clz
4108 ;;
4109 esac
4110
4111 fi
4112
4113 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
4114
4115 check_ldflags -Wl,--as-needed
4116
4117 if check_func dlopen; then
4118 ldl=
4119 elif check_func dlopen -ldl; then
4120 ldl=-ldl
4121 fi
4122
4123 if ! disabled network; then
4124 check_func getaddrinfo $network_extralibs
4125 check_func getservbyport $network_extralibs
4126 check_func inet_aton $network_extralibs
4127
4128 check_type netdb.h "struct addrinfo"
4129 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4130 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4131 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4132 check_type poll.h "struct pollfd"
4133 check_type netinet/sctp.h "struct sctp_event_subscribe"
4134 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4135 check_type netinet/in.h "struct sockaddr_in6"
4136 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4137 check_type "sys/types.h sys/socket.h" socklen_t
4138
4139 # Prefer arpa/inet.h over winsock2
4140 if check_header arpa/inet.h ; then
4141 check_func closesocket
4142 elif check_header winsock2.h ; then
4143 check_func_headers winsock2.h closesocket -lws2 &&
4144 network_extralibs="-lws2" ||
4145 { check_func_headers winsock2.h closesocket -lws2_32 &&
4146 network_extralibs="-lws2_32"; } || disable winsock2_h network
4147 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4148
4149 check_type ws2tcpip.h socklen_t
4150 check_type ws2tcpip.h "struct addrinfo"
4151 check_type ws2tcpip.h "struct group_source_req"
4152 check_type ws2tcpip.h "struct ip_mreq_source"
4153 check_type ws2tcpip.h "struct ipv6_mreq"
4154 check_type winsock2.h "struct pollfd"
4155 check_struct winsock2.h "struct sockaddr" sa_len
4156 check_type ws2tcpip.h "struct sockaddr_in6"
4157 check_type ws2tcpip.h "struct sockaddr_storage"
4158 else
4159 disable network
4160 fi
4161 fi
4162
4163 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4164 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4165 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4166 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4167
4168 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4169 check_func ${malloc_prefix}memalign && enable memalign
4170 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4171
4172 check_cpp_condition unistd.h "defined(_POSIX_MONOTONIC_CLOCK)" &&
4173 check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
4174
4175 check_func fcntl
4176 check_func fork
4177 check_func gethrtime
4178 check_func getopt
4179 check_func getrusage
4180 check_func gettimeofday
4181 check_func gmtime_r
4182 check_func isatty
4183 check_func localtime_r
4184 check_func mach_absolute_time
4185 check_func mkstemp
4186 check_func mmap
4187 check_func mprotect
4188 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4189 check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt; }
4190 check_func sched_getaffinity
4191 check_func setrlimit
4192 check_func strerror_r
4193 check_func sysconf
4194 check_func sysctl
4195 check_func usleep
4196
4197 check_func_headers io.h setmode
4198 check_func_headers stdlib.h getenv
4199
4200 check_func_headers windows.h CoTaskMemFree -lole32
4201 check_func_headers windows.h GetProcessAffinityMask
4202 check_func_headers windows.h GetProcessTimes
4203 check_func_headers windows.h GetSystemTimeAsFileTime
4204 check_func_headers windows.h LoadLibrary
4205 check_func_headers windows.h MapViewOfFile
4206 check_func_headers windows.h SetConsoleTextAttribute
4207 check_func_headers windows.h Sleep
4208 check_func_headers windows.h VirtualAlloc
4209 check_struct windows.h "CONDITION_VARIABLE" Ptr
4210
4211 check_header direct.h
4212 check_header dlfcn.h
4213 check_header d3d11.h
4214 check_header dxva.h
4215 check_header dxva2api.h
4216 check_header io.h
4217 check_header mach/mach_time.h
4218 check_header malloc.h
4219 check_header poll.h
4220 check_header sys/mman.h
4221 check_header sys/param.h
4222 check_header sys/resource.h
4223 check_header sys/select.h
4224 check_header sys/time.h
4225 check_header sys/un.h
4226 check_header unistd.h
4227 check_header valgrind/valgrind.h
4228 check_header vdpau/vdpau.h
4229 check_header vdpau/vdpau_x11.h
4230 check_header VideoDecodeAcceleration/VDADecoder.h
4231 check_header windows.h
4232 check_header X11/extensions/XvMClib.h
4233
4234 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4235 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4236 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4237
4238 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4239
4240 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC"
4241 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
4242 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0600
4243
4244 if ! disabled w32threads && ! enabled pthreads; then
4245 check_func_headers "windows.h process.h" _beginthreadex &&
4246 enable w32threads || disable w32threads
4247 fi
4248
4249 # check for some common methods of building with pthread support
4250 # do this before the optional library checks as some of them require pthreads
4251 if ! disabled pthreads && ! enabled w32threads; then
4252 enable pthreads
4253 if check_func pthread_join -pthread; then
4254 add_cflags -pthread
4255 add_extralibs -pthread
4256 elif check_func pthread_join -pthreads; then
4257 add_cflags -pthreads
4258 add_extralibs -pthreads
4259 elif check_func pthread_join -lpthreadGC2; then
4260 add_extralibs -lpthreadGC2
4261 elif check_lib pthread.h pthread_join -lpthread; then
4262 :
4263 elif ! check_func pthread_join; then
4264 disable pthreads
4265 fi
4266 fi
4267
4268 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4269 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4270
4271 check_lib math.h sin -lm && LIBM="-lm"
4272 enabled vaapi && require vaapi va/va.h vaInitialize -lva
4273
4274 atan2f_args=2
4275 ldexpf_args=2
4276 powf_args=2
4277
4278 for func in $MATH_FUNCS; do
4279 eval check_mathfunc $func \${${func}_args:-1}
4280 done
4281
4282 # these are off by default, so fail if requested and not available
4283 enabled avisynth && { check_lib2 "avisynth/avisynth_c.h windows.h" LoadLibrary ||
4284 check_lib2 "avxsynth/avxsynth_c.h dlfcn.h" dlopen -ldl ||
4285 die "ERROR: LoadLibrary/dlopen not found, or avisynth header not found"; }
4286 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4287 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4288 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
4289 enabled libdcadec && require libdcadec libdcadec/dca_context.h dcadec_context_create -ldcadec
4290 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4291 enabled libfdk_aac && require_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen
4292 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4293 enabled libfreetype && require_pkg_config freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType
4294 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4295 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4296 done || die "ERROR: libgsm not found"; }
4297 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4298 enabled libmfx && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit
4299 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4300 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4301 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4302 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
4303 enabled libopenh264 && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion
4304 enabled libopenjpeg && { { check_header openjpeg.h && check_lib2 openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC; } ||
4305 { require_pkg_config libopenjpeg1 openjpeg.h opj_version -DOPJ_STATIC; } }
4306 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4307 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4308 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4309 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4310 enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
4311 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4312 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame
4313 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4314 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4315 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4316 enabled libvpx && require_pkg_config "vpx >= 1.3.0" vpx/vpx_codec.h vpx_codec_version && {
4317 enabled libvpx_vp8_decoder && {
4318 check_pkg_config vpx "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
4319 disable libvpx_vp8_decoder;
4320 }
4321 enabled libvpx_vp8_encoder && {
4322 check_pkg_config vpx "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
4323 disable libvpx_vp8_encoder;
4324 }
4325 enabled libvpx_vp9_decoder && {
4326 check_pkg_config vpx "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
4327 disable libvpx_vp9_decoder;
4328 }
4329 enabled libvpx_vp9_encoder && {
4330 check_pkg_config vpx "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
4331 disable libvpx_vp9_encoder;
4332 }
4333 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
4334 die "libvpx enabled but no supported decoders found"
4335 fi
4336 }
4337 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4338 enabled libwebp && require_pkg_config libwebp webp/encode.h WebPGetEncoderVersion
4339 enabled libx264 && require_pkg_config x264 "stdint.h x264.h" x264_encoder_encode &&
4340 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4341 die "ERROR: libx264 version must be >= 0.118."; }
4342 enabled libx265 && require_pkg_config x265 x265.h x265_encoder_encode &&
4343 { check_cpp_condition x265.h "X265_BUILD >= 57" ||
4344 die "ERROR: libx265 version must be >= 57."; }
4345 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
4346 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4347 enabled mmal && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
4348 { ! enabled cross_compile && {
4349 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;
4350 add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;
4351 check_lib interface/mmal/mmal.h mmal_port_connect ; }
4352 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||
4353 die "ERROR: mmal not found"; }
4354 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4355 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4356 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4357 die "ERROR: openssl not found"; }
4358
4359 if enabled gnutls; then
4360 { check_lib2 gmp.h mpz_export -lgmp && enable gmp; } ||
4361 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
4362 fi
4363
4364 # libdc1394 check
4365 if enabled libdc1394; then
4366 { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&
4367 enable libdc1394_2; } ||
4368 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
4369 enable libdc1394_1; } ||
4370 die "ERROR: No version of libdc1394 found "
4371 fi
4372
4373 if enabled nvenc; then
4374 check_header cuda.h || die "ERROR: cuda.h not found.";
4375 check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found.";
4376 check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" ||
4377 die "ERROR: NVENC API version 4 or older is not supported";
4378 fi
4379
4380 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
4381 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4382 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | S