movenc: Add an F4V muxer
[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
90 Licensing options:
91 --enable-gpl allow use of GPL code, the resulting libs
92 and binaries will be under GPL [no]
93 --enable-version3 upgrade (L)GPL to version 3 [no]
94 --enable-nonfree allow use of nonfree code, the resulting libs
95 and binaries will be unredistributable [no]
96
97 Configuration options:
98 --disable-static do not build static libraries [no]
99 --enable-shared build shared libraries [no]
100 --enable-small optimize for size instead of speed
101 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
102 --enable-gray enable full grayscale support (slower color)
103 --disable-swscale-alpha disable alpha channel support in swscale
104 --disable-all disable building components, libraries and programs
105
106 Program options:
107 --disable-programs do not build command line programs
108 --disable-avconv disable avconv build
109 --disable-avplay disable avplay build
110 --disable-avprobe disable avprobe build
111 --disable-avserver disable avserver build
112
113 Component options:
114 --disable-doc do not build documentation
115 --disable-avdevice disable libavdevice build
116 --disable-avcodec disable libavcodec build
117 --disable-avformat disable libavformat build
118 --disable-avutil disable libavutil build
119 --disable-swscale disable libswscale build
120 --disable-avfilter disable video filter support [no]
121 --disable-avresample disable libavresample build [no]
122 --disable-pthreads disable pthreads [auto]
123 --disable-w32threads disable Win32 threads [auto]
124 --disable-network disable network support [no]
125 --disable-dct disable DCT code
126 --disable-error-resilience disable error resilience code
127 --disable-lsp disable LSP code
128 --disable-lzo disable LZO decoder code
129 --disable-mdct disable MDCT code
130 --disable-rdft disable RDFT code
131 --disable-fft disable FFT code
132
133 Hardware accelerators:
134 --enable-dxva2 enable DXVA2 code
135 --enable-vaapi enable VAAPI code
136 --enable-vda enable VDA code
137 --enable-vdpau enable VDPAU code
138
139 Individual component options:
140 --disable-everything disable all components listed below
141 --disable-encoder=NAME disable encoder NAME
142 --enable-encoder=NAME enable encoder NAME
143 --disable-encoders disable all encoders
144 --disable-decoder=NAME disable decoder NAME
145 --enable-decoder=NAME enable decoder NAME
146 --disable-decoders disable all decoders
147 --disable-hwaccel=NAME disable hwaccel NAME
148 --enable-hwaccel=NAME enable hwaccel NAME
149 --disable-hwaccels disable all hwaccels
150 --disable-muxer=NAME disable muxer NAME
151 --enable-muxer=NAME enable muxer NAME
152 --disable-muxers disable all muxers
153 --disable-demuxer=NAME disable demuxer NAME
154 --enable-demuxer=NAME enable demuxer NAME
155 --disable-demuxers disable all demuxers
156 --enable-parser=NAME enable parser NAME
157 --disable-parser=NAME disable parser NAME
158 --disable-parsers disable all parsers
159 --enable-bsf=NAME enable bitstream filter NAME
160 --disable-bsf=NAME disable bitstream filter NAME
161 --disable-bsfs disable all bitstream filters
162 --enable-protocol=NAME enable protocol NAME
163 --disable-protocol=NAME disable protocol NAME
164 --disable-protocols disable all protocols
165 --enable-indev=NAME enable input device NAME
166 --disable-indev=NAME disable input device NAME
167 --disable-indevs disable input devices
168 --enable-outdev=NAME enable output device NAME
169 --disable-outdev=NAME disable output device NAME
170 --disable-outdevs disable output devices
171 --disable-devices disable all devices
172 --enable-filter=NAME enable filter NAME
173 --disable-filter=NAME disable filter NAME
174 --disable-filters disable all filters
175
176 External library support:
177 --enable-avisynth enable reading of AviSynth script files [no]
178 --enable-bzlib enable bzlib [autodetect]
179 --enable-frei0r enable frei0r video filtering
180 --enable-gnutls enable gnutls [no]
181 --enable-libcdio enable audio CD grabbing with libcdio
182 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
183 and libraw1394 [no]
184 --enable-libfaac enable AAC encoding via libfaac [no]
185 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
186 --enable-libfreetype enable libfreetype [no]
187 --enable-libgsm enable GSM de/encoding via libgsm [no]
188 --enable-libilbc enable iLBC de/encoding via libilbc [no]
189 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
190 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
191 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
192 --enable-libopencv enable video filtering via libopencv [no]
193 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
194 --enable-libopus enable Opus decoding via libopus [no]
195 --enable-libpulse enable Pulseaudio input via libpulse [no]
196 --enable-librtmp enable RTMP[E] support via librtmp [no]
197 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
198 --enable-libspeex enable Speex de/encoding via libspeex [no]
199 --enable-libtheora enable Theora encoding via libtheora [no]
200 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
201 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
202 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
203 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
204 --enable-libwavpack enable wavpack encoding via libwavpack [no]
205 --enable-libx264 enable H.264 encoding via x264 [no]
206 --enable-libxavs enable AVS encoding via xavs [no]
207 --enable-libxvid enable Xvid encoding via xvidcore,
208 native MPEG-4/Xvid encoder exists [no]
209 --enable-openssl enable openssl [no]
210 --enable-x11grab enable X11 grabbing [no]
211 --enable-zlib enable zlib [autodetect]
212
213 Advanced options (experts only):
214 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
215 --enable-cross-compile assume a cross-compiler is used
216 --sysroot=PATH root of cross-build tree
217 --sysinclude=PATH location of cross-build system headers
218 --target-os=OS compiler targets OS [$target_os]
219 --target-exec=CMD command to run executables on target
220 --target-path=DIR path to view of build directory on target
221 --target-samples=DIR path to samples directory on target
222 --toolchain=NAME set tool defaults according to NAME
223 --nm=NM use nm tool
224 --ar=AR use archive tool AR [$ar_default]
225 --as=AS use assembler AS [$as_default]
226 --cc=CC use C compiler CC [$cc_default]
227 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
228 --ld=LD use linker LD
229 --host-cc=HOSTCC use host C compiler HOSTCC
230 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
231 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
232 --host-ld=HOSTLD use host linker HOSTLD
233 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
234 --host-libs=HLIBS use libs HLIBS when linking for host
235 --host-os=OS compiler host OS [$target_os]
236 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
237 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
238 --extra-libs=ELIBS add ELIBS [$ELIBS]
239 --extra-version=STRING version string suffix []
240 --optflags=OPTFLAGS override optimization-related compiler flags
241 --build-suffix=SUFFIX library name suffix []
242 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
243 --arch=ARCH select architecture [$arch]
244 --cpu=CPU select the minimum required CPU (affects
245 instruction selection, may crash on older CPUs)
246 --enable-pic build position-independent code
247 --enable-sram allow use of on-chip SRAM
248 --enable-thumb compile for Thumb instruction set
249 --disable-symver disable symbol versioning
250 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
251 --disable-safe-bitstream-reader
252 disable buffer boundary checking in bitreaders
253 (faster, but may crash)
254 --enable-memalign-hack emulate memalign, interferes with memory debuggers
255 --enable-lto use link-time optimization
256
257 Optimization options (experts only):
258 --disable-asm disable all assembler optimizations
259 --disable-altivec disable AltiVec optimizations
260 --disable-amd3dnow disable 3DNow! optimizations
261 --disable-amd3dnowext disable 3DNow! extended optimizations
262 --disable-mmx disable MMX optimizations
263 --disable-mmxext disable MMXEXT optimizations
264 --disable-sse disable SSE optimizations
265 --disable-sse2 disable SSE2 optimizations
266 --disable-sse3 disable SSE3 optimizations
267 --disable-ssse3 disable SSSE3 optimizations
268 --disable-sse4 disable SSE4 optimizations
269 --disable-sse42 disable SSE4.2 optimizations
270 --disable-avx disable AVX optimizations
271 --disable-fma4 disable FMA4 optimizations
272 --disable-armv5te disable armv5te optimizations
273 --disable-armv6 disable armv6 optimizations
274 --disable-armv6t2 disable armv6t2 optimizations
275 --disable-vfp disable VFP optimizations
276 --disable-neon disable NEON optimizations
277 --disable-vis disable VIS optimizations
278 --disable-inline-asm disable use of inline assembler
279 --disable-yasm disable use of yasm assembler
280
281 Developer options (useful when working on Libav itself):
282 --disable-debug disable debugging symbols
283 --enable-debug=LEVEL set the debug level [$debuglevel]
284 --disable-optimizations disable compiler optimizations
285 --enable-extra-warnings enable more compiler warnings
286 --samples=PATH location of test samples for FATE, if not set use
287 \$LIBAV_SAMPLES at make invocation time.
288 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
289 should be used only for debugging purposes)
290 --enable-random randomly enable/disable components
291 --disable-random
292 --enable-random=LIST randomly enable/disable specific components or
293 --disable-random=LIST component groups. LIST is a comma-separated list
294 of NAME[:PROB] entries where NAME is a component
295 (group) and PROB the probability associated with
296 NAME (default 0.5).
297 --random-seed=VALUE seed value for --enable/disable-random
298
299 NOTE: Object files are built at the place where configure is launched.
300 EOF
301 exit 0
302 }
303
304 quotes='""'
305
306 log(){
307 echo "$@" >> $logfile
308 }
309
310 log_file(){
311 log BEGIN $1
312 pr -n -t $1 >> $logfile
313 log END $1
314 }
315
316 echolog(){
317 log "$@"
318 echo "$@"
319 }
320
321 warn(){
322 log "WARNING: $*"
323 WARNINGS="${WARNINGS}WARNING: $*\n"
324 }
325
326 die(){
327 echolog "$@"
328 cat <<EOF
329
330 If you think configure made a mistake, make sure you are using the latest
331 version from Git. If the latest version fails, report the problem to the
332 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
333 EOF
334 if disabled logging; then
335 cat <<EOF
336 Rerun configure with logging enabled (do not use --disable-logging), and
337 include the log this produces with your report.
338 EOF
339 else
340 cat <<EOF
341 Include the log file "$logfile" produced by configure as this will help
342 solving the problem.
343 EOF
344 fi
345 exit 1
346 }
347
348 # Avoid locale weirdness, besides we really just want to translate ASCII.
349 toupper(){
350 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
351 }
352
353 tolower(){
354 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
355 }
356
357 c_escape(){
358 echo "$*" | sed 's/["\\]/\\\0/g'
359 }
360
361 sh_quote(){
362 v=$(echo "$1" | sed "s/'/'\\\\''/g")
363 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
364 echo "$v"
365 }
366
367 cleanws(){
368 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
369 }
370
371 filter(){
372 pat=$1
373 shift
374 for v; do
375 eval "case $v in $pat) echo $v ;; esac"
376 done
377 }
378
379 filter_out(){
380 pat=$1
381 shift
382 for v; do
383 eval "case $v in $pat) ;; *) echo $v ;; esac"
384 done
385 }
386
387 map(){
388 m=$1
389 shift
390 for v; do eval $m; done
391 }
392
393 add_suffix(){
394 suffix=$1
395 shift
396 for v; do echo ${v}${suffix}; done
397 }
398
399 set_all(){
400 value=$1
401 shift
402 for var in $*; do
403 eval $var=$value
404 done
405 }
406
407 set_weak(){
408 value=$1
409 shift
410 for var; do
411 eval : \${$var:=$value}
412 done
413 }
414
415 sanitize_var_name(){
416 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
417 }
418
419 set_safe(){
420 var=$1
421 shift
422 eval $(sanitize_var_name "$var")='$*'
423 }
424
425 get_safe(){
426 eval echo \$$(sanitize_var_name "$1")
427 }
428
429 pushvar(){
430 for pvar in $*; do
431 eval level=\${${pvar}_level:=0}
432 eval ${pvar}_${level}="\$$pvar"
433 eval ${pvar}_level=$(($level+1))
434 done
435 }
436
437 popvar(){
438 for pvar in $*; do
439 eval level=\${${pvar}_level:-0}
440 test $level = 0 && continue
441 eval level=$(($level-1))
442 eval $pvar="\${${pvar}_${level}}"
443 eval ${pvar}_level=$level
444 eval unset ${pvar}_${level}
445 done
446 }
447
448 enable(){
449 set_all yes $*
450 }
451
452 disable(){
453 set_all no $*
454 }
455
456 enable_weak(){
457 set_weak yes $*
458 }
459
460 disable_weak(){
461 set_weak no $*
462 }
463
464 enable_safe(){
465 for var; do
466 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
467 done
468 }
469
470 disable_safe(){
471 for var; do
472 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
473 done
474 }
475
476 do_enable_deep(){
477 for var; do
478 enabled $var && continue
479 eval sel="\$${var}_select"
480 eval sgs="\$${var}_suggest"
481 pushvar var sgs
482 enable_deep $sel
483 popvar sgs
484 enable_deep_weak $sgs
485 popvar var
486 done
487 }
488
489 enable_deep(){
490 do_enable_deep $*
491 enable $*
492 }
493
494 enable_deep_weak(){
495 for var; do
496 disabled $var && continue
497 pushvar var
498 do_enable_deep $var
499 popvar var
500 enable_weak $var
501 done
502 }
503
504 enabled(){
505 test "${1#!}" = "$1" && op== || op=!=
506 eval test "x\$${1#!}" $op "xyes"
507 }
508
509 disabled(){
510 test "${1#!}" = "$1" && op== || op=!=
511 eval test "x\$${1#!}" $op "xno"
512 }
513
514 enabled_all(){
515 for opt; do
516 enabled $opt || return 1
517 done
518 }
519
520 disabled_all(){
521 for opt; do
522 disabled $opt || return 1
523 done
524 }
525
526 enabled_any(){
527 for opt; do
528 enabled $opt && return 0
529 done
530 }
531
532 disabled_any(){
533 for opt; do
534 disabled $opt && return 0
535 done
536 return 1
537 }
538
539 set_default(){
540 for opt; do
541 eval : \${$opt:=\$${opt}_default}
542 done
543 }
544
545 is_in(){
546 value=$1
547 shift
548 for var in $*; do
549 [ $var = $value ] && return 0
550 done
551 return 1
552 }
553
554 do_check_deps(){
555 for cfg; do
556 cfg="${cfg#!}"
557 enabled ${cfg}_checking && die "Circular dependency for $cfg."
558 disabled ${cfg}_checking && continue
559 enable ${cfg}_checking
560 append allopts $cfg
561
562 eval dep_all="\$${cfg}_deps"
563 eval dep_any="\$${cfg}_deps_any"
564 eval dep_sel="\$${cfg}_select"
565 eval dep_sgs="\$${cfg}_suggest"
566 eval dep_ifa="\$${cfg}_if"
567 eval dep_ifn="\$${cfg}_if_any"
568
569 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
570 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
571 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
572
573 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
574 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
575 enabled_all $dep_all || disable $cfg
576 enabled_any $dep_any || disable $cfg
577 disabled_any $dep_sel && disable $cfg
578
579 if enabled $cfg; then
580 enable_deep $dep_sel
581 enable_deep_weak $dep_sgs
582 fi
583
584 disable ${cfg}_checking
585 done
586 }
587
588 check_deps(){
589 unset allopts
590
591 do_check_deps "$@"
592
593 for cfg in $allopts; do
594 enabled $cfg || continue
595 eval dep_extralibs="\$${cfg}_extralibs"
596 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
597 done
598 }
599
600 print_config(){
601 pfx=$1
602 files=$2
603 shift 2
604 map 'eval echo "$v \${$v:-no}"' "$@" |
605 awk "BEGIN { split(\"$files\", files) }
606 {
607 c = \"$pfx\" toupper(\$1);
608 v = \$2;
609 sub(/yes/, 1, v);
610 sub(/no/, 0, v);
611 for (f in files) {
612 file = files[f];
613 if (file ~ /\\.h\$/) {
614 printf(\"#define %s %d\\n\", c, v) >>file;
615 } else if (file ~ /\\.asm\$/) {
616 printf(\"%%define %s %d\\n\", c, v) >>file;
617 } else if (file ~ /\\.mak\$/) {
618 n = -v ? \"\" : \"!\";
619 printf(\"%s%s=yes\\n\", n, c) >>file;
620 }
621 }
622 }"
623 }
624
625 print_enabled(){
626 suf=$1
627 shift
628 for v; do
629 enabled $v && printf "%s\n" ${v%$suf};
630 done
631 }
632
633 append(){
634 var=$1
635 shift
636 eval "$var=\"\$$var $*\""
637 }
638
639 prepend(){
640 var=$1
641 shift
642 eval "$var=\"$* \$$var\""
643 }
644
645 add_cppflags(){
646 append CPPFLAGS "$@"
647 }
648
649 add_cflags(){
650 append CFLAGS $($cflags_filter "$@")
651 }
652
653 add_asflags(){
654 append ASFLAGS $($asflags_filter "$@")
655 }
656
657 add_ldflags(){
658 append LDFLAGS $($ldflags_filter "$@")
659 }
660
661 add_extralibs(){
662 prepend extralibs $($ldflags_filter "$@")
663 }
664
665 add_host_cppflags(){
666 append host_cppflags "$@"
667 }
668
669 add_host_cflags(){
670 append host_cflags $($host_cflags_filter "$@")
671 }
672
673 add_host_ldflags(){
674 append host_ldflags $($host_ldflags_filter "$@")
675 }
676
677 add_compat(){
678 append compat_objs $1
679 shift
680 map 'add_cppflags -D$v' "$@"
681 }
682
683 check_cmd(){
684 log "$@"
685 "$@" >> $logfile 2>&1
686 }
687
688 cc_o(){
689 eval printf '%s\\n' $CC_O
690 }
691
692 cc_e(){
693 eval printf '%s\\n' $CC_E
694 }
695
696 check_cc(){
697 log check_cc "$@"
698 cat > $TMPC
699 log_file $TMPC
700 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
701 }
702
703 check_cpp(){
704 log check_cpp "$@"
705 cat > $TMPC
706 log_file $TMPC
707 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
708 }
709
710 as_o(){
711 eval printf '%s\\n' $AS_O
712 }
713
714 check_as(){
715 log check_as "$@"
716 cat > $TMPS
717 log_file $TMPS
718 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
719 }
720
721 check_inline_asm(){
722 log check_inline_asm "$@"
723 name="$1"
724 code="$2"
725 shift 2
726 disable $name
727 check_cc "$@" <<EOF && enable $name
728 void foo(void){ __asm__ volatile($code); }
729 EOF
730 }
731
732 check_insn(){
733 log check_insn "$@"
734 check_inline_asm ${1}_inline "\"$2\""
735 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
736 }
737
738 check_yasm(){
739 log check_yasm "$@"
740 echo "$1" > $TMPS
741 log_file $TMPS
742 shift 1
743 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
744 }
745
746 ld_o(){
747 eval printf '%s\\n' $LD_O
748 }
749
750 check_ld(){
751 log check_ld "$@"
752 flags=$(filter_out '-l*' "$@")
753 libs=$(filter '-l*' "$@")
754 check_cc $($cflags_filter $flags) || return
755 flags=$($ldflags_filter $flags)
756 libs=$($ldflags_filter $libs)
757 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
758 }
759
760 check_code(){
761 log check_code "$@"
762 check=$1
763 headers=$2
764 code=$3
765 shift 3
766 {
767 for hdr in $headers; do
768 echo "#include <$hdr>"
769 done
770 echo "int main(void) { $code; return 0; }"
771 } | check_$check "$@"
772 }
773
774 check_cppflags(){
775 log check_cppflags "$@"
776 check_cc "$@" <<EOF && append CPPFLAGS "$@"
777 int x;
778 EOF
779 }
780
781 check_cflags(){
782 log check_cflags "$@"
783 set -- $($cflags_filter "$@")
784 check_cc "$@" <<EOF && append CFLAGS "$@"
785 int x;
786 EOF
787 }
788
789 test_ldflags(){
790 log test_ldflags "$@"
791 check_ld "$@" <<EOF
792 int main(void){ return 0; }
793 EOF
794 }
795
796 check_ldflags(){
797 log check_ldflags "$@"
798 test_ldflags "$@" && add_ldflags "$@"
799 }
800
801 check_header(){
802 log check_header "$@"
803 header=$1
804 shift
805 disable_safe $header
806 check_cpp "$@" <<EOF && enable_safe $header
807 #include <$header>
808 int x;
809 EOF
810 }
811
812 check_func(){
813 log check_func "$@"
814 func=$1
815 shift
816 disable $func
817 check_ld "$@" <<EOF && enable $func
818 extern int $func();
819 int main(void){ $func(); }
820 EOF
821 }
822
823 check_mathfunc(){
824 log check_mathfunc "$@"
825 func=$1
826 narg=$2
827 shift 2
828 test $narg = 2 && args="f, g" || args="f"
829 disable $func
830 check_ld "$@" <<EOF && enable $func
831 #include <math.h>
832 float foo(float f, float g) { return $func($args); }
833 int main(void){ return 0; }
834 EOF
835 }
836
837 check_func_headers(){
838 log check_func_headers "$@"
839 headers=$1
840 funcs=$2
841 shift 2
842 {
843 for hdr in $headers; do
844 echo "#include <$hdr>"
845 done
846 for func in $funcs; do
847 echo "long check_$func(void) { return (long) $func; }"
848 done
849 echo "int main(void) { return 0; }"
850 } | check_ld "$@" && enable $funcs && enable_safe $headers
851 }
852
853 check_cpp_condition(){
854 log check_cpp_condition "$@"
855 header=$1
856 condition=$2
857 shift 2
858 check_cpp "$@" <<EOF
859 #include <$header>
860 #if !($condition)
861 #error "unsatisfied condition: $condition"
862 #endif
863 EOF
864 }
865
866 check_lib(){
867 log check_lib "$@"
868 header="$1"
869 func="$2"
870 shift 2
871 check_header $header && check_func $func "$@" && add_extralibs "$@"
872 }
873
874 check_lib2(){
875 log check_lib2 "$@"
876 headers="$1"
877 funcs="$2"
878 shift 2
879 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
880 }
881
882 check_pkg_config(){
883 log check_pkg_config "$@"
884 pkg="$1"
885 headers="$2"
886 funcs="$3"
887 shift 3
888 check_cmd $pkg_config --exists --print-errors $pkg || return
889 pkg_cflags=$($pkg_config --cflags $pkg)
890 pkg_libs=$($pkg_config --libs $pkg)
891 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
892 set_safe ${pkg}_cflags $pkg_cflags &&
893 set_safe ${pkg}_libs $pkg_libs
894 }
895
896 check_exec(){
897 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
898 }
899
900 check_exec_crash(){
901 code=$(cat)
902
903 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
904 # are safe but may not be available everywhere. Thus we use
905 # raise(SIGTERM) instead. The check is run in a subshell so we
906 # can redirect the "Terminated" message from the shell. SIGBUS
907 # is not defined by standard C so it is used conditionally.
908
909 (check_exec "$@") >> $logfile 2>&1 <<EOF
910 #include <signal.h>
911 static void sighandler(int sig){
912 raise(SIGTERM);
913 }
914 int foo(void){
915 $code
916 }
917 int (*func_ptr)(void) = foo;
918 int main(void){
919 signal(SIGILL, sighandler);
920 signal(SIGFPE, sighandler);
921 signal(SIGSEGV, sighandler);
922 #ifdef SIGBUS
923 signal(SIGBUS, sighandler);
924 #endif
925 return func_ptr();
926 }
927 EOF
928 }
929
930 check_type(){
931 log check_type "$@"
932 headers=$1
933 type=$2
934 shift 2
935 disable_safe "$type"
936 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
937 }
938
939 check_struct(){
940 log check_struct "$@"
941 headers=$1
942 struct=$2
943 member=$3
944 shift 3
945 disable_safe "${struct}_${member}"
946 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
947 enable_safe "${struct}_${member}"
948 }
949
950 check_builtin(){
951 log check_builtin "$@"
952 name=$1
953 headers=$2
954 builtin=$3
955 shift 3
956 disable "$name"
957 check_code ld "$headers" "$builtin" "$@" && enable "$name"
958 }
959
960 require(){
961 name="$1"
962 header="$2"
963 func="$3"
964 shift 3
965 check_lib $header $func "$@" || die "ERROR: $name not found"
966 }
967
968 require2(){
969 name="$1"
970 headers="$2"
971 func="$3"
972 shift 3
973 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
974 }
975
976 require_pkg_config(){
977 pkg="$1"
978 check_pkg_config "$@" || die "ERROR: $pkg not found"
979 add_cflags $(get_safe ${pkg}_cflags)
980 add_extralibs $(get_safe ${pkg}_libs)
981 }
982
983 hostcc_o(){
984 eval printf '%s\\n' $HOSTCC_O
985 }
986
987 check_host_cc(){
988 log check_host_cc "$@"
989 cat > $TMPC
990 log_file $TMPC
991 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
992 }
993
994 check_host_cppflags(){
995 log check_host_cppflags "$@"
996 check_host_cc "$@" <<EOF && append host_cppflags "$@"
997 int x;
998 EOF
999 }
1000
1001 check_host_cflags(){
1002 log check_host_cflags "$@"
1003 set -- $($host_cflags_filter "$@")
1004 check_host_cc "$@" <<EOF && append host_cflags "$@"
1005 int x;
1006 EOF
1007 }
1008
1009 apply(){
1010 file=$1
1011 shift
1012 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1013 }
1014
1015 cp_if_changed(){
1016 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1017 mkdir -p "$(dirname $2)"
1018 $cp_f "$1" "$2"
1019 }
1020
1021 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1022 # system-dependent things.
1023
1024 COMPONENT_LIST="
1025 bsfs
1026 decoders
1027 demuxers
1028 encoders
1029 filters
1030 hwaccels
1031 indevs
1032 muxers
1033 outdevs
1034 parsers
1035 protocols
1036 "
1037
1038 EXTERNAL_LIBRARY_LIST="
1039 avisynth
1040 bzlib
1041 frei0r
1042 gnutls
1043 libcdio
1044 libdc1394
1045 libfaac
1046 libfdk_aac
1047 libfreetype
1048 libgsm
1049 libilbc
1050 libmp3lame
1051 libopencore_amrnb
1052 libopencore_amrwb
1053 libopencv
1054 libopenjpeg
1055 libopus
1056 libpulse
1057 librtmp
1058 libschroedinger
1059 libspeex
1060 libtheora
1061 libvo_aacenc
1062 libvo_amrwbenc
1063 libvorbis
1064 libvpx
1065 libwavpack
1066 libx264
1067 libxavs
1068 libxvid
1069 openssl
1070 x11grab
1071 zlib
1072 "
1073
1074 HWACCEL_LIST="
1075 dxva2
1076 vaapi
1077 vda
1078 vdpau
1079 "
1080 LIBRARY_LIST="
1081 avcodec
1082 avdevice
1083 avfilter
1084 avformat
1085 avresample
1086 avutil
1087 swscale
1088 "
1089
1090 PROGRAM_LIST="
1091 avconv
1092 avplay
1093 avprobe
1094 avserver
1095 "
1096
1097 CONFIG_LIST="
1098 $COMPONENT_LIST
1099 $EXTERNAL_LIBRARY_LIST
1100 $HWACCEL_LIST
1101 $LIBRARY_LIST
1102 $PROGRAM_LIST
1103 dct
1104 doc
1105 error_resilience
1106 fft
1107 gpl
1108 gray
1109 hardcoded_tables
1110 lsp
1111 lzo
1112 mdct
1113 memalign_hack
1114 network
1115 nonfree
1116 pic
1117 rdft
1118 runtime_cpudetect
1119 safe_bitstream_reader
1120 shared
1121 small
1122 sram
1123 static
1124 swscale_alpha
1125 thumb
1126 version3
1127 xmm_clobber_test
1128 "
1129
1130 THREADS_LIST='
1131 pthreads
1132 w32threads
1133 '
1134
1135 ATOMICS_LIST='
1136 atomics_gcc
1137 atomics_suncc
1138 atomics_win32
1139 '
1140
1141 ARCH_LIST='
1142 aarch64
1143 alpha
1144 arm
1145 avr32
1146 avr32_ap
1147 avr32_uc
1148 bfin
1149 ia64
1150 m68k
1151 mips
1152 mips64
1153 parisc
1154 ppc
1155 ppc64
1156 s390
1157 sh4
1158 sparc
1159 sparc64
1160 tilegx
1161 tilepro
1162 tomi
1163 x86
1164 x86_32
1165 x86_64
1166 '
1167
1168 ARCH_EXT_LIST_ARM='
1169 armv5te
1170 armv6
1171 armv6t2
1172 neon
1173 vfp
1174 vfpv3
1175 '
1176
1177 ARCH_EXT_LIST_X86='
1178 amd3dnow
1179 amd3dnowext
1180 avx
1181 fma4
1182 i686
1183 mmx
1184 mmxext
1185 sse
1186 sse2
1187 sse3
1188 sse4
1189 sse42
1190 ssse3
1191 '
1192
1193 ARCH_EXT_LIST="
1194 $ARCH_EXT_LIST_ARM
1195 $ARCH_EXT_LIST_X86
1196 altivec
1197 ppc4xx
1198 vis
1199 "
1200
1201 HAVE_LIST_CMDLINE='
1202 inline_asm
1203 symver
1204 yasm
1205 '
1206
1207 HAVE_LIST_PUB='
1208 bigendian
1209 fast_unaligned
1210 '
1211
1212 MATH_FUNCS="
1213 atanf
1214 atan2f
1215 cbrtf
1216 cosf
1217 exp2
1218 exp2f
1219 expf
1220 isinf
1221 isnan
1222 ldexpf
1223 llrint
1224 llrintf
1225 log2
1226 log2f
1227 log10f
1228 lrint
1229 lrintf
1230 powf
1231 rint
1232 round
1233 roundf
1234 sinf
1235 trunc
1236 truncf
1237 "
1238
1239 HAVE_LIST="
1240 $ARCH_EXT_LIST
1241 $(add_suffix _external $ARCH_EXT_LIST)
1242 $(add_suffix _inline $ARCH_EXT_LIST)
1243 $HAVE_LIST_CMDLINE
1244 $HAVE_LIST_PUB
1245 $THREADS_LIST
1246 $ATOMICS_LIST
1247 $MATH_FUNCS
1248 aligned_malloc
1249 aligned_stack
1250 alsa_asoundlib_h
1251 altivec_h
1252 arpa_inet_h
1253 asm_mod_q
1254 asm_mod_y
1255 atomic_cas_ptr
1256 atomics_native
1257 attribute_may_alias
1258 attribute_packed
1259 cdio_paranoia_h
1260 cdio_paranoia_paranoia_h
1261 closesocket
1262 CommandLineToArgvW
1263 cpunop
1264 CryptGenRandom
1265 dcbzl
1266 dev_bktr_ioctl_bt848_h
1267 dev_bktr_ioctl_meteor_h
1268 dev_ic_bt8xx_h
1269 dev_video_bktr_ioctl_bt848_h
1270 dev_video_meteor_ioctl_meteor_h
1271 direct_h
1272 dlfcn_h
1273 dlopen
1274 dos_paths
1275 dxva_h
1276 ebp_available
1277 ebx_available
1278 fast_64bit
1279 fast_clz
1280 fast_cmov
1281 fcntl
1282 fork
1283 getaddrinfo
1284 gethrtime
1285 getopt
1286 GetProcessAffinityMask
1287 GetProcessMemoryInfo
1288 GetProcessTimes
1289 GetSystemTimeAsFileTime
1290 getrusage
1291 getservbyport
1292 gettimeofday
1293 gnu_as
1294 gsm_h
1295 ibm_asm
1296 inet_aton
1297 io_h
1298 inline_asm_labels
1299 isatty
1300 jack_port_get_latency_range
1301 ldbrx
1302 libdc1394_1
1303 libdc1394_2
1304 local_aligned_16
1305 local_aligned_8
1306 localtime_r
1307 loongson
1308 machine_ioctl_bt848_h
1309 machine_ioctl_meteor_h
1310 machine_rw_barrier
1311 malloc_h
1312 MapViewOfFile
1313 memalign
1314 MemoryBarrier
1315 mkstemp
1316 mm_empty
1317 mmap
1318 mprotect
1319 msvcrt
1320 nanosleep
1321 poll_h
1322 posix_memalign
1323 pragma_deprecated
1324 rdtsc
1325 sched_getaffinity
1326 sdl
1327 SetConsoleTextAttribute
1328 setmode
1329 setrlimit
1330 Sleep
1331 sndio_h
1332 socklen_t
1333 soundcard_h
1334 strerror_r
1335 strptime
1336 strtok_r
1337 struct_addrinfo
1338 struct_group_source_req
1339 struct_ip_mreq_source
1340 struct_ipv6_mreq
1341 struct_pollfd
1342 struct_rusage_ru_maxrss
1343 struct_sockaddr_in6
1344 struct_sockaddr_sa_len
1345 struct_sockaddr_storage
1346 struct_v4l2_frmivalenum_discrete
1347 symver_asm_label
1348 symver_gnu_asm
1349 sync_val_compare_and_swap
1350 sysconf
1351 sysctl
1352 sys_mman_h
1353 sys_param_h
1354 sys_resource_h
1355 sys_select_h
1356 sys_soundcard_h
1357 sys_time_h
1358 sys_un_h
1359 sys_videoio_h
1360 threads
1361 unistd_h
1362 usleep
1363 vfp_args
1364 VirtualAlloc
1365 windows_h
1366 winsock2_h
1367 xform_asm
1368 xmm_clobbers
1369 "
1370
1371 # options emitted with CONFIG_ prefix but not available on the command line
1372 CONFIG_EXTRA="
1373 aandcttables
1374 ac3dsp
1375 audio_frame_queue
1376 dsputil
1377 gcrypt
1378 golomb
1379 gplv3
1380 h264chroma
1381 h264dsp
1382 h264pred
1383 h264qpel
1384 hpeldsp
1385 huffman
1386 lgplv3
1387 lpc
1388 mpegaudio
1389 mpegaudiodsp
1390 mpegvideo
1391 mpegvideoenc
1392 nettle
1393 rangecoder
1394 riffdec
1395 riffenc
1396 rtpdec
1397 rtpenc_chain
1398 sinewin
1399 videodsp
1400 vp3dsp
1401 "
1402
1403 CMDLINE_SELECT="
1404 $ARCH_EXT_LIST
1405 $CONFIG_LIST
1406 $HAVE_LIST_CMDLINE
1407 $THREADS_LIST
1408 asm
1409 cross_compile
1410 debug
1411 extra_warnings
1412 logging
1413 lto
1414 optimizations
1415 "
1416
1417 PATHS_LIST='
1418 bindir
1419 datadir
1420 docdir
1421 incdir
1422 libdir
1423 mandir
1424 prefix
1425 shlibdir
1426 '
1427
1428 CMDLINE_SET="
1429 $PATHS_LIST
1430 ar
1431 arch
1432 as
1433 build_suffix
1434 cc
1435 cpu
1436 cross_prefix
1437 dep_cc
1438 extra_version
1439 host_cc
1440 host_cflags
1441 host_ld
1442 host_ldflags
1443 host_libs
1444 host_os
1445 ld
1446 logfile
1447 malloc_prefix
1448 nm
1449 optflags
1450 pkg_config
1451 random_seed
1452 samples
1453 sysinclude
1454 sysroot
1455 target_exec
1456 target_os
1457 target_path
1458 target_samples
1459 toolchain
1460 "
1461
1462 CMDLINE_APPEND="
1463 extra_cflags
1464 host_cppflags
1465 "
1466
1467 # code dependency declarations
1468
1469 # architecture extensions
1470
1471 armv5te_deps="arm"
1472 armv6_deps="arm"
1473 armv6t2_deps="arm"
1474 neon_deps="arm"
1475 vfp_deps="arm"
1476 vfpv3_deps="vfp"
1477
1478 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1479
1480 altivec_deps="ppc"
1481 ppc4xx_deps="ppc"
1482
1483 vis_deps="sparc"
1484
1485 cpunop_deps="i686"
1486 x86_64_select="i686"
1487 x86_64_suggest="fast_cmov"
1488
1489 amd3dnow_deps="mmx"
1490 amd3dnowext_deps="amd3dnow"
1491 mmx_deps="x86"
1492 mmxext_deps="mmx"
1493 sse_deps="mmxext"
1494 sse2_deps="sse"
1495 sse3_deps="sse2"
1496 ssse3_deps="sse3"
1497 sse4_deps="ssse3"
1498 sse42_deps="sse4"
1499 avx_deps="sse42"
1500 fma4_deps="avx"
1501
1502 mmx_external_deps="yasm"
1503 mmx_inline_deps="inline_asm"
1504 mmx_suggest="mmx_external mmx_inline"
1505
1506 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
1507 eval dep=\$${ext}_deps
1508 eval ${ext}_external_deps='"${dep}_external"'
1509 eval ${ext}_inline_deps='"${dep}_inline"'
1510 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1511 done
1512
1513 aligned_stack_if_any="ppc x86"
1514 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1515 fast_clz_if_any="alpha avr32 mips ppc x86"
1516 fast_unaligned_if_any="ppc x86"
1517
1518 inline_asm_deps="!tms470"
1519 need_memalign="altivec neon sse"
1520
1521 symver_if_any="symver_asm_label symver_gnu_asm"
1522
1523 log2_deps="!msvcrt"
1524
1525 # subsystems
1526 dct_select="rdft"
1527 error_resilience_select="dsputil"
1528 lpc_select="dsputil"
1529 mdct_select="fft"
1530 rdft_select="fft"
1531 mpegaudio_select="mpegaudiodsp"
1532 mpegaudiodsp_select="dct"
1533 mpegvideo_select="dsputil hpeldsp videodsp"
1534 mpegvideoenc_select="mpegvideo"
1535
1536 # decoders / encoders
1537 aac_decoder_select="mdct sinewin"
1538 aac_encoder_select="audio_frame_queue mdct sinewin"
1539 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1540 ac3_decoder_select="mdct ac3dsp ac3_parser dsputil"
1541 ac3_encoder_select="mdct ac3dsp dsputil"
1542 ac3_fixed_encoder_select="mdct ac3dsp dsputil"
1543 aic_decoder_select="dsputil golomb"
1544 alac_encoder_select="lpc"
1545 als_decoder_select="dsputil"
1546 amrnb_decoder_select="lsp"
1547 amrwb_decoder_select="lsp"
1548 amv_decoder_select="dsputil hpeldsp"
1549 ape_decoder_select="dsputil"
1550 asv1_decoder_select="dsputil"
1551 asv1_encoder_select="dsputil"
1552 asv2_decoder_select="dsputil"
1553 asv2_encoder_select="dsputil"
1554 atrac1_decoder_select="mdct sinewin"
1555 atrac3_decoder_select="mdct"
1556 bink_decoder_select="dsputil hpeldsp"
1557 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1558 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1559 cavs_decoder_select="dsputil golomb h264chroma videodsp"
1560 cllc_decoder_select="dsputil"
1561 comfortnoise_encoder_select="lpc"
1562 cook_decoder_select="dsputil mdct sinewin"
1563 cscd_decoder_select="lzo"
1564 cscd_decoder_suggest="zlib"
1565 dca_decoder_select="mdct"
1566 dnxhd_decoder_select="dsputil"
1567 dnxhd_encoder_select="aandcttables dsputil mpegvideoenc"
1568 dvvideo_decoder_select="dsputil"
1569 dvvideo_encoder_select="dsputil"
1570 dxa_decoder_deps="zlib"
1571 eac3_decoder_select="ac3_decoder"
1572 eac3_encoder_select="ac3_encoder"
1573 eamad_decoder_select="aandcttables dsputil mpegvideo"
1574 eatgq_decoder_select="aandcttables dsputil"
1575 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
1576 ffv1_decoder_select="dsputil golomb rangecoder"
1577 ffv1_encoder_select="dsputil rangecoder"
1578 ffvhuff_decoder_select="dsputil"
1579 ffvhuff_encoder_select="dsputil huffman"
1580 flac_decoder_select="golomb"
1581 flac_encoder_select="dsputil golomb lpc"
1582 flashsv_decoder_deps="zlib"
1583 flashsv_encoder_deps="zlib"
1584 flashsv2_decoder_deps="zlib"
1585 flv_decoder_select="h263_decoder"
1586 flv_encoder_select="h263_encoder"
1587 fourxm_decoder_select="dsputil"
1588 fraps_decoder_select="dsputil huffman"
1589 g2m_decoder_deps="zlib"
1590 g2m_decoder_select="dsputil"
1591 h261_decoder_select="error_resilience mpegvideo"
1592 h261_encoder_select="aandcttables mpegvideoenc"
1593 h263_decoder_select="error_resilience h263_parser mpegvideo"
1594 h263_encoder_select="aandcttables mpegvideoenc"
1595 h263i_decoder_select="h263_decoder"
1596 h263p_encoder_select="h263_encoder"
1597 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1598 h264_decoder_suggest="error_resilience"
1599 huffyuv_decoder_select="dsputil"
1600 huffyuv_encoder_select="dsputil huffman"
1601 iac_decoder_select="dsputil fft mdct sinewin"
1602 imc_decoder_select="dsputil fft mdct sinewin"
1603 indeo3_decoder_select="hpeldsp"
1604 interplay_video_decoder_select="hpeldsp"
1605 jpegls_decoder_select="dsputil golomb hpeldsp"
1606 jpegls_encoder_select="golomb"
1607 jv_decoder_select="dsputil"
1608 lagarith_decoder_select="dsputil"
1609 ljpeg_encoder_select="aandcttables mpegvideoenc"
1610 loco_decoder_select="golomb"
1611 mdec_decoder_select="dsputil error_resilience mpegvideo"
1612 metasound_decoder_select="lsp mdct sinewin"
1613 mimic_decoder_select="dsputil hpeldsp"
1614 mjpeg_decoder_select="dsputil hpeldsp"
1615 mjpegb_decoder_select="dsputil hpeldsp"
1616 mjpeg_encoder_select="aandcttables dsputil mpegvideoenc"
1617 mlp_decoder_select="dsputil mlp_parser"
1618 motionpixels_decoder_select="dsputil"
1619 mp1_decoder_select="mpegaudio"
1620 mp1float_decoder_select="mpegaudio"
1621 mp2_decoder_select="mpegaudio"
1622 mp2float_decoder_select="mpegaudio"
1623 mp3_decoder_select="mpegaudio"
1624 mp3adu_decoder_select="mpegaudio"
1625 mp3adufloat_decoder_select="mpegaudio"
1626 mp3float_decoder_select="mpegaudio"
1627 mp3on4_decoder_select="mpegaudio"
1628 mp3on4float_decoder_select="mpegaudio"
1629 mpc7_decoder_select="dsputil mpegaudiodsp"
1630 mpc8_decoder_select="dsputil mpegaudiodsp"
1631 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1632 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1633 mpeg1video_decoder_select="error_resilience mpegvideo"
1634 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1635 mpeg2video_decoder_select="error_resilience mpegvideo"
1636 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1637 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1638 mpeg4_encoder_select="h263_encoder"
1639 msmpeg4v1_decoder_select="h263_decoder"
1640 msmpeg4v2_decoder_select="h263_decoder"
1641 msmpeg4v2_encoder_select="h263_encoder"
1642 msmpeg4v3_decoder_select="h263_decoder"
1643 msmpeg4v3_encoder_select="h263_encoder"
1644 mss2_decoder_select="error_resilience vc1_decoder"
1645 mxpeg_decoder_select="dsputil hpeldsp"
1646 nellymoser_decoder_select="mdct sinewin"
1647 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1648 nuv_decoder_select="dsputil lzo"
1649 png_decoder_deps="zlib"
1650 png_decoder_select="dsputil"
1651 png_encoder_deps="zlib"
1652 png_encoder_select="dsputil"
1653 prores_decoder_select="dsputil"
1654 prores_encoder_select="dsputil"
1655 qcelp_decoder_select="lsp"
1656 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1657 ra_144_encoder_select="audio_frame_queue lpc"
1658 ralf_decoder_select="golomb"
1659 rv10_decoder_select="error_resilience h263_decoder"
1660 rv10_encoder_select="h263_encoder"
1661 rv20_decoder_select="error_resilience h263_decoder"
1662 rv20_encoder_select="h263_encoder"
1663 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1664 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp"
1665 shorten_decoder_select="golomb"
1666 sipr_decoder_select="lsp"
1667 sp5x_decoder_select="dsputil hpeldsp"
1668 svq1_decoder_select="hpeldsp"
1669 svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
1670 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel hpeldsp mpegvideo videodsp"
1671 svq3_decoder_suggest="error_resilience zlib"
1672 tak_decoder_select="dsputil"
1673 theora_decoder_select="vp3_decoder"
1674 tiff_decoder_suggest="zlib"
1675 tiff_encoder_suggest="zlib"
1676 thp_decoder_select="dsputil hpeldsp"
1677 truehd_decoder_select="mlp_decoder"
1678 truemotion2_decoder_select="dsputil"
1679 truespeech_decoder_select="dsputil"
1680 tscc_decoder_deps="zlib"
1681 twinvq_decoder_select="mdct lsp sinewin"
1682 utvideo_decoder_select="dsputil"
1683 utvideo_encoder_select="dsputil huffman"
1684 vble_decoder_select="dsputil"
1685 vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel"
1686 vc1image_decoder_select="vc1_decoder"
1687 vorbis_decoder_select="mdct"
1688 vorbis_encoder_select="mdct"
1689 vp3_decoder_select="hpeldsp vp3dsp videodsp"
1690 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
1691 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
1692 vp6a_decoder_select="vp6_decoder"
1693 vp6f_decoder_select="vp6_decoder"
1694 vp8_decoder_select="h264pred videodsp"
1695 webp_decoder_select="vp8_decoder"
1696 wmapro_decoder_select="mdct sinewin"
1697 wmav1_decoder_select="mdct sinewin"
1698 wmav1_encoder_select="mdct sinewin"
1699 wmav2_decoder_select="mdct sinewin"
1700 wmav2_encoder_select="mdct sinewin"
1701 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1702 wmv1_decoder_select="h263_decoder"
1703 wmv1_encoder_select="h263_encoder"
1704 wmv2_decoder_select="h263_decoder videodsp"
1705 wmv2_encoder_select="h263_encoder"
1706 wmv3_decoder_select="vc1_decoder"
1707 wmv3image_decoder_select="wmv3_decoder"
1708 zerocodec_decoder_deps="zlib"
1709 zlib_decoder_deps="zlib"
1710 zlib_encoder_deps="zlib"
1711 zmbv_decoder_deps="zlib"
1712 zmbv_encoder_deps="zlib"
1713
1714 # hardware accelerators
1715 dxva2_deps="dxva2api_h"
1716 vaapi_deps="va_va_h"
1717 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1718 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
1719 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1720
1721 h263_vaapi_hwaccel_deps="vaapi"
1722 h263_vaapi_hwaccel_select="h263_decoder"
1723 h263_vdpau_hwaccel_deps="vdpau"
1724 h263_vdpau_hwaccel_select="h263_decoder"
1725 h264_dxva2_hwaccel_deps="dxva2"
1726 h264_dxva2_hwaccel_select="h264_decoder"
1727 h264_vaapi_hwaccel_deps="vaapi"
1728 h264_vaapi_hwaccel_select="h264_decoder"
1729 h264_vda_hwaccel_deps="vda"
1730 h264_vda_hwaccel_select="h264_decoder"
1731 h264_vdpau_hwaccel_deps="vdpau"
1732 h264_vdpau_hwaccel_select="h264_decoder"
1733 mpeg1_vdpau_hwaccel_deps="vdpau"
1734 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
1735 mpeg2_dxva2_hwaccel_deps="dxva2"
1736 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
1737 mpeg2_vaapi_hwaccel_deps="vaapi"
1738 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
1739 mpeg2_vdpau_hwaccel_deps="vdpau"
1740 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
1741 mpeg4_vaapi_hwaccel_deps="vaapi"
1742 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
1743 mpeg4_vdpau_hwaccel_deps="vdpau"
1744 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
1745 vc1_dxva2_hwaccel_deps="dxva2"
1746 vc1_dxva2_hwaccel_select="vc1_decoder"
1747 vc1_vaapi_hwaccel_deps="vaapi"
1748 vc1_vaapi_hwaccel_select="vc1_decoder"
1749 vc1_vdpau_hwaccel_deps="vdpau"
1750 vc1_vdpau_hwaccel_select="vc1_decoder"
1751 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1752 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1753 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
1754
1755 # parsers
1756 h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
1757 mpeg4video_parser_select="error_resilience mpegvideo"
1758 mpegvideo_parser_select="error_resilience mpegvideo"
1759 vc1_parser_select="mpegvideo"
1760
1761 # external libraries
1762 libfaac_encoder_deps="libfaac"
1763 libfaac_encoder_select="audio_frame_queue"
1764 libfdk_aac_decoder_deps="libfdk_aac"
1765 libfdk_aac_encoder_deps="libfdk_aac"
1766 libfdk_aac_encoder_select="audio_frame_queue"
1767 libgsm_decoder_deps="libgsm"
1768 libgsm_encoder_deps="libgsm"
1769 libgsm_ms_decoder_deps="libgsm"
1770 libgsm_ms_encoder_deps="libgsm"
1771 libilbc_decoder_deps="libilbc"
1772 libilbc_encoder_deps="libilbc"
1773 libmp3lame_encoder_deps="libmp3lame"
1774 libmp3lame_encoder_select="audio_frame_queue"
1775 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1776 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1777 libopencore_amrnb_encoder_select="audio_frame_queue"
1778 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1779 libopenjpeg_decoder_deps="libopenjpeg"
1780 libopenjpeg_encoder_deps="libopenjpeg"
1781 libopus_decoder_deps="libopus"
1782 libopus_encoder_deps="libopus"
1783 libopus_encoder_select="audio_frame_queue"
1784 libschroedinger_decoder_deps="libschroedinger"
1785 libschroedinger_encoder_deps="libschroedinger"
1786 libspeex_decoder_deps="libspeex"
1787 libspeex_encoder_deps="libspeex"
1788 libspeex_encoder_select="audio_frame_queue"
1789 libtheora_encoder_deps="libtheora"
1790 libvo_aacenc_encoder_deps="libvo_aacenc"
1791 libvo_aacenc_encoder_select="audio_frame_queue"
1792 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1793 libvorbis_encoder_deps="libvorbis"
1794 libvorbis_encoder_select="audio_frame_queue"
1795 libvpx_vp8_decoder_deps="libvpx"
1796 libvpx_vp8_encoder_deps="libvpx"
1797 libvpx_vp9_decoder_deps="libvpx"
1798 libvpx_vp9_encoder_deps="libvpx"
1799 libwavpack_encoder_deps="libwavpack"
1800 libx264_encoder_deps="libx264"
1801 libxavs_encoder_deps="libxavs"
1802 libxvid_encoder_deps="libxvid"
1803
1804 # demuxers / muxers
1805 ac3_demuxer_select="ac3_parser"
1806 asf_demuxer_select="riffdec"
1807 asf_muxer_select="riffenc"
1808 asf_stream_muxer_select="asf_muxer"
1809 avi_demuxer_select="riffdec"
1810 avi_muxer_select="riffenc"
1811 avisynth_demuxer_deps="avisynth"
1812 avisynth_demuxer_select="riffdec"
1813 caf_demuxer_select="riffdec"
1814 dirac_demuxer_select="dirac_parser"
1815 dxa_demuxer_select="riffdec"
1816 eac3_demuxer_select="ac3_parser"
1817 f4v_muxer_select="mov_muxer"
1818 flac_demuxer_select="flac_parser"
1819 hls_muxer_select="mpegts_muxer"
1820 ipod_muxer_select="mov_muxer"
1821 ismv_muxer_select="mov_muxer"
1822 matroska_audio_muxer_select="matroska_muxer"
1823 matroska_demuxer_select="riffdec"
1824 matroska_demuxer_suggest="bzlib lzo zlib"
1825 matroska_muxer_select="riffenc"
1826 mmf_muxer_select="riffenc"
1827 mov_demuxer_select="riffdec"
1828 mov_demuxer_suggest="zlib"
1829 mov_muxer_select="riffenc rtpenc_chain"
1830 mp3_demuxer_select="mpegaudio_parser"
1831 mp4_muxer_select="mov_muxer"
1832 mpegts_muxer_select="adts_muxer latm_muxer"
1833 mpegtsraw_demuxer_select="mpegts_demuxer"
1834 mxf_d10_muxer_select="mxf_muxer"
1835 nut_muxer_select="riffenc"
1836 nuv_demuxer_select="riffdec"
1837 ogg_demuxer_select="golomb"
1838 psp_muxer_select="mov_muxer"
1839 rtp_demuxer_select="sdp_demuxer"
1840 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1841 rtsp_demuxer_select="http_protocol rtpdec"
1842 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
1843 sap_demuxer_select="sdp_demuxer"
1844 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
1845 sdp_demuxer_select="rtpdec"
1846 smoothstreaming_muxer_select="ismv_muxer"
1847 spdif_muxer_select="aac_parser"
1848 tak_demuxer_select="tak_parser"
1849 tg2_muxer_select="mov_muxer"
1850 tgp_muxer_select="mov_muxer"
1851 w64_demuxer_select="wav_demuxer"
1852 wav_demuxer_select="riffdec"
1853 wav_muxer_select="riffenc"
1854 webm_muxer_select="riffenc"
1855 wtv_demuxer_select="riffdec"
1856 xmv_demuxer_select="riffdec"
1857 xwma_demuxer_select="riffdec"
1858
1859 # indevs / outdevs
1860 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1861 alsa_outdev_deps="alsa_asoundlib_h"
1862 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1863 dv1394_indev_deps="dv1394"
1864 dv1394_indev_select="dv_demuxer"
1865 fbdev_indev_deps="linux_fb_h"
1866 jack_indev_deps="jack_jack_h pthreads"
1867 libcdio_indev_deps="libcdio"
1868 libdc1394_indev_deps="libdc1394"
1869 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1870 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1871 pulse_indev_deps="libpulse"
1872 sndio_indev_deps="sndio_h"
1873 sndio_outdev_deps="sndio_h"
1874 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1875 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1876 vfwcap_indev_extralibs="-lavicap32"
1877 x11grab_indev_deps="x11grab XShmCreateImage"
1878
1879 # protocols
1880 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1881 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1882 ffrtmpcrypt_protocol_select="tcp_protocol"
1883 ffrtmphttp_protocol_deps="!librtmp_protocol"
1884 ffrtmphttp_protocol_select="http_protocol"
1885 gopher_protocol_select="network"
1886 httpproxy_protocol_select="tcp_protocol"
1887 http_protocol_select="tcp_protocol"
1888 https_protocol_select="tls_protocol"
1889 librtmp_protocol_deps="librtmp"
1890 librtmpe_protocol_deps="librtmp"
1891 librtmps_protocol_deps="librtmp"
1892 librtmpt_protocol_deps="librtmp"
1893 librtmpte_protocol_deps="librtmp"
1894 mmsh_protocol_select="http_protocol"
1895 mmst_protocol_select="network"
1896 rtmp_protocol_deps="!librtmp_protocol"
1897 rtmp_protocol_select="tcp_protocol"
1898 rtmpe_protocol_select="ffrtmpcrypt_protocol"
1899 rtmps_protocol_deps="!librtmp_protocol"
1900 rtmps_protocol_select="tls_protocol"
1901 rtmpt_protocol_select="ffrtmphttp_protocol"
1902 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
1903 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
1904 rtp_protocol_select="udp_protocol"
1905 sctp_protocol_deps="struct_sctp_event_subscribe"
1906 sctp_protocol_select="network"
1907 srtp_protocol_select="rtp_protocol"
1908 tcp_protocol_select="network"
1909 tls_protocol_deps_any="openssl gnutls"
1910 tls_protocol_select="tcp_protocol"
1911 udp_protocol_select="network"
1912 unix_protocol_deps="sys_un_h"
1913 unix_protocol_select="network"
1914
1915 # filters
1916 blackframe_filter_deps="gpl"
1917 boxblur_filter_deps="gpl"
1918 cropdetect_filter_deps="gpl"
1919 delogo_filter_deps="gpl"
1920 drawtext_filter_deps="libfreetype"
1921 frei0r_filter_deps="frei0r dlopen strtok_r"
1922 frei0r_filter_extralibs='$ldl'
1923 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1924 frei0r_src_filter_extralibs='$ldl'
1925 hqdn3d_filter_deps="gpl"
1926 interlace_filter_deps="gpl"
1927 resample_filter_deps="avresample"
1928 ocv_filter_deps="libopencv"
1929 scale_filter_deps="swscale"
1930 yadif_filter_deps="gpl"
1931
1932 # libraries
1933 avcodec_deps="avutil"
1934 avdevice_deps="avutil avcodec avformat"
1935 avfilter_deps="avutil"
1936 avformat_deps="avutil avcodec"
1937 avresample_deps="avutil"
1938 swscale_deps="avutil"
1939
1940 # programs
1941 avconv_deps="avcodec avfilter avformat avresample swscale"
1942 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
1943 fps_filter null_filter resample_filter scale_filter
1944 setpts_filter trim_filter"
1945 avplay_deps="avcodec avformat avresample swscale sdl"
1946 avplay_select="rdft"
1947 avprobe_deps="avcodec avformat"
1948 avserver_deps="avformat fork !shared"
1949 avserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
1950 avserver_extralibs='$ldl'
1951
1952 doc_deps="texi2html"
1953
1954 # default parameters
1955
1956 logfile="config.log"
1957
1958 # installation paths
1959 prefix_default="/usr/local"
1960 bindir_default='${prefix}/bin'
1961 datadir_default='${prefix}/share/avconv'
1962 docdir_default='${prefix}/share/doc/libav'
1963 incdir_default='${prefix}/include'
1964 libdir_default='${prefix}/lib'
1965 mandir_default='${prefix}/share/man'
1966 shlibdir_default="$libdir_default"
1967
1968 # toolchain
1969 ar_default="ar"
1970 cc_default="gcc"
1971 host_cc_default="gcc"
1972 cp_f="cp -f"
1973 ln_s="ln -s -f"
1974 nm_default="nm -g"
1975 objformat="elf"
1976 pkg_config_default=pkg-config
1977 ranlib="ranlib"
1978 strip="strip"
1979 yasmexe="yasm"
1980
1981 nogas=":"
1982
1983 # machine
1984 arch_default=$(uname -m)
1985 cpu="generic"
1986
1987 # OS
1988 target_os_default=$(tolower $(uname -s))
1989 host_os=$target_os_default
1990
1991 # configurable options
1992 enable $LIBRARY_LIST $PROGRAM_LIST
1993
1994 enable asm
1995 enable debug
1996 enable doc
1997 enable optimizations
1998 enable safe_bitstream_reader
1999 enable static
2000 enable swscale_alpha
2001
2002 # By default, enable only those hwaccels that have no external dependencies.
2003 enable dxva2 vdpau
2004
2005 # build settings
2006 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2007 LIBPREF="lib"
2008 LIBSUF=".a"
2009 FULLNAME='$(NAME)$(BUILDSUF)'
2010 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2011 SLIBPREF="lib"
2012 SLIBSUF=".so"
2013 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2014 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2015 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2016 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2017 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2018 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2019
2020 asflags_filter=echo
2021 cflags_filter=echo
2022 ldflags_filter=echo
2023
2024 AS_C='-c'
2025 AS_O='-o $@'
2026 CC_C='-c'
2027 CC_E='-E -o $@'
2028 CC_O='-o $@'
2029 LD_O='-o $@'
2030 LD_LIB='-l%'
2031 LD_PATH='-L'
2032 HOSTCC_C='-c'
2033 HOSTCC_O='-o $@'
2034 HOSTLD_O='-o $@'
2035
2036 host_cflags='-O3 -g'
2037 host_cppflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600'
2038 host_libs='-lm'
2039 host_cflags_filter=echo
2040 host_ldflags_filter=echo
2041
2042 target_path='$(CURDIR)'
2043
2044 # since the object filename is not given with the -MM flag, the compiler
2045 # is only able to print the basename, and we must add the path ourselves
2046 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2047 DEPFLAGS='-MM'
2048
2049 # find source path
2050 if test -f configure; then
2051 source_path=.
2052 else
2053 source_path=$(cd $(dirname "$0"); pwd)
2054 echo "$source_path" | grep -q '[[:blank:]]' &&
2055 die "Out of tree builds are impossible with whitespace in source path."
2056 test -e "$source_path/config.h" &&
2057 die "Out of tree builds are impossible with config.h in source dir."
2058 fi
2059
2060 for v in "$@"; do
2061 r=${v#*=}
2062 l=${v%"$r"}
2063 r=$(sh_quote "$r")
2064 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2065 done
2066
2067 find_things(){
2068 thing=$1
2069 pattern=$2
2070 file=$source_path/$3
2071 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2072 }
2073
2074 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2075 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2076 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2077 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2078 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2079 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2080 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2081 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2082 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2083 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2084 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2085
2086 ALL_COMPONENTS="
2087 $BSF_LIST
2088 $DECODER_LIST
2089 $DEMUXER_LIST
2090 $ENCODER_LIST
2091 $FILTER_LIST
2092 $HWACCEL_LIST
2093 $INDEV_LIST
2094 $MUXER_LIST
2095 $OUTDEV_LIST
2096 $PARSER_LIST
2097 $PROTOCOL_LIST
2098 "
2099
2100 for n in $COMPONENT_LIST; do
2101 v=$(toupper ${n%s})_LIST
2102 eval enable \$$v
2103 eval ${n}_if_any="\$$v"
2104 done
2105
2106 enable $ARCH_EXT_LIST
2107
2108 die_unknown(){
2109 echo "Unknown option \"$1\"."
2110 echo "See $0 --help for available options."
2111 exit 1
2112 }
2113
2114 print_3_columns() {
2115 cat | tr ' ' '\n' | sort | pr -r -3 -t
2116 }
2117
2118 show_list() {
2119 suffix=_$1
2120 shift
2121 echo $* | sed s/$suffix//g | print_3_columns
2122 exit 0
2123 }
2124
2125 rand_list(){
2126 IFS=', '
2127 set -- $*
2128 unset IFS
2129 for thing; do
2130 comp=${thing%:*}
2131 prob=${thing#$comp}
2132 prob=${prob#:}
2133 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2134 echo "prob ${prob:-0.5}"
2135 printf '%s\n' $comp
2136 done
2137 }
2138
2139 do_random(){
2140 action=$1
2141 shift
2142 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2143 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2144 }
2145
2146 for opt do
2147 optval="${opt#*=}"
2148 case "$opt" in
2149 --extra-ldflags=*)
2150 add_ldflags $optval
2151 ;;
2152 --extra-libs=*)
2153 add_extralibs $optval
2154 ;;
2155 --disable-devices)
2156 disable $INDEV_LIST $OUTDEV_LIST
2157 ;;
2158 --enable-debug=*)
2159 debuglevel="$optval"
2160 ;;
2161 --disable-programs)
2162 disable $PROGRAM_LIST
2163 ;;
2164 --disable-everything)
2165 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2166 ;;
2167 --disable-all)
2168 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2169 disable $LIBRARY_LIST $PROGRAM_LIST doc
2170 ;;
2171 --enable-random|--disable-random)
2172 action=${opt%%-random}
2173 do_random ${action#--} $COMPONENT_LIST
2174 ;;
2175 --enable-random=*|--disable-random=*)
2176 action=${opt%%-random=*}
2177 do_random ${action#--} $optval
2178 ;;
2179 --enable-*=*|--disable-*=*)
2180 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2181 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2182 eval list=\$$(toupper $thing)_LIST
2183 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2184 $action $(filter "$name" $list)
2185 ;;
2186 --enable-?*|--disable-?*)
2187 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2188 if is_in $option $COMPONENT_LIST; then
2189 test $action = disable && action=unset
2190 eval $action \$$(toupper ${option%s})_LIST
2191 elif is_in $option $CMDLINE_SELECT; then
2192 $action $option
2193 else
2194 die_unknown $opt
2195 fi
2196 ;;
2197 --list-*)
2198 NAME="${opt#--list-}"
2199 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2200 NAME=${NAME%s}
2201 eval show_list $NAME \$$(toupper $NAME)_LIST
2202 ;;
2203 --help|-h) show_help
2204 ;;
2205 *)
2206 optname="${opt%%=*}"
2207 optname="${optname#--}"
2208 optname=$(echo "$optname" | sed 's/-/_/g')
2209 if is_in $optname $CMDLINE_SET; then
2210 eval $optname='$optval'
2211 elif is_in $optname $CMDLINE_APPEND; then
2212 append $optname "$optval"
2213 else
2214 die_unknown $opt
2215 fi
2216 ;;
2217 esac
2218 done
2219
2220 disabled logging && logfile=/dev/null
2221
2222 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2223 set >> $logfile
2224
2225 test -n "$cross_prefix" && enable cross_compile
2226
2227 if enabled cross_compile; then
2228 test -n "$arch" && test -n "$target_os" ||
2229 die "Must specify target arch and OS when cross-compiling"
2230 fi
2231
2232 ar_default="${cross_prefix}${ar_default}"
2233 cc_default="${cross_prefix}${cc_default}"
2234 nm_default="${cross_prefix}${nm_default}"
2235 pkg_config_default="${cross_prefix}${pkg_config_default}"
2236 ranlib="${cross_prefix}${ranlib}"
2237 strip="${cross_prefix}${strip}"
2238
2239 sysinclude_default="${sysroot}/usr/include"
2240
2241 case "$toolchain" in
2242 clang-asan)
2243 cc_default="clang"
2244 add_cflags -fsanitize=address
2245 add_ldflags -fsanitize=address
2246 ;;
2247 clang-tsan)
2248 cc_default="clang"
2249 add_cflags -fsanitize=thread -pie
2250 add_ldflags -fsanitize=thread -pie
2251 ;;
2252 gcc-asan)
2253 cc_default="gcc"
2254 add_cflags -fsanitize=address
2255 add_ldflags -fsanitize=address
2256 ;;
2257 gcc-tsan)
2258 cc_default="gcc"
2259 add_cflags -fsanitize=thread -pie -fPIC
2260 add_ldflags -fsanitize=thread -pie -fPIC
2261 ;;
2262 valgrind-massif)
2263 target_exec_default="valgrind"
2264 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2265 ;;
2266 valgrind-memcheck)
2267 target_exec_default="valgrind"
2268 target_exec_args="--track-origins=yes --leak-check=full"
2269 ;;
2270 msvc)
2271 cc_default="c99wrap cl"
2272 ld_default="c99wrap link"
2273 nm_default="dumpbin -symbols"
2274 ar_default="lib"
2275 target_os_default="win32"
2276 ;;
2277 icl)
2278 cc_default="c99wrap -noconv icl"
2279 ld_default="c99wrap xilink"
2280 nm_default="dumpbin -symbols"
2281 ar_default="xilib"
2282 target_os_default="win32"
2283 ;;
2284 gcov)
2285 add_cflags -fprofile-arcs -ftest-coverage
2286 add_ldflags -fprofile-arcs -ftest-coverage
2287 ;;
2288 ?*)
2289 die "Unknown toolchain $toolchain"
2290 ;;
2291 esac
2292
2293 set_default arch cc pkg_config sysinclude target_exec target_os
2294 enabled cross_compile || host_cc_default=$cc
2295 set_default host_cc
2296
2297 if ! $pkg_config --version >/dev/null 2>&1; then
2298 warn "$pkg_config not found, library detection may fail."
2299 pkg_config=false
2300 fi
2301
2302 exesuf() {
2303 case $1 in
2304 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2305 esac
2306 }
2307
2308 EXESUF=$(exesuf $target_os)
2309 HOSTEXESUF=$(exesuf $host_os)
2310
2311 # set temporary file name
2312 : ${TMPDIR:=$TEMPDIR}
2313 : ${TMPDIR:=$TMP}
2314 : ${TMPDIR:=/tmp}
2315
2316 if ! check_cmd mktemp -u XXXXXX; then
2317 # simple replacement for missing mktemp
2318 # NOT SAFE FOR GENERAL USE
2319 mktemp(){
2320 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2321 }
2322 fi
2323
2324 tmpfile(){
2325 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2326 (set -C; exec > $tmp) 2>/dev/null ||
2327 die "Unable to create temporary file in $TMPDIR."
2328 append TMPFILES $tmp
2329 eval $1=$tmp
2330 }
2331
2332 trap 'rm -f -- $TMPFILES' EXIT
2333
2334 tmpfile TMPASM .asm
2335 tmpfile TMPC .c
2336 tmpfile TMPE $EXESUF
2337 tmpfile TMPH .h
2338 tmpfile TMPO .o
2339 tmpfile TMPS .S
2340 tmpfile TMPSH .sh
2341 tmpfile TMPV .ver
2342
2343 unset -f mktemp
2344
2345 chmod +x $TMPE
2346
2347 # make sure we can execute files in $TMPDIR
2348 cat > $TMPSH 2>> $logfile <<EOF
2349 #! /bin/sh
2350 EOF
2351 chmod +x $TMPSH >> $logfile 2>&1
2352 if ! $TMPSH >> $logfile 2>&1; then
2353 cat <<EOF
2354 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2355 variable to another directory and make sure that it is not mounted noexec.
2356 EOF
2357 die "Sanity test failed."
2358 fi
2359
2360 ccc_flags(){
2361 for flag; do
2362 case $flag in
2363 -std=c99) echo -c99 ;;
2364 -mcpu=*) echo -arch ${flag#*=} ;;
2365 -mieee) echo -ieee ;;
2366 -O*|-fast) echo $flag ;;
2367 -fno-math-errno) echo -assume nomath_errno ;;
2368 -g) echo -g3 ;;
2369 -Wall) echo -msg_enable level2 ;;
2370 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2371 -Wl,*) echo $flag ;;
2372 -f*|-W*) ;;
2373 *) echo $flag ;;
2374 esac
2375 done
2376 }
2377
2378 cparser_flags(){
2379 for flag; do
2380 case $flag in
2381 -Wno-switch) echo -Wno-switch-enum ;;
2382 -Wno-format-zero-length) ;;
2383 -Wdisabled-optimization) ;;
2384 -Wno-pointer-sign) echo -Wno-other ;;
2385 *) echo $flag ;;
2386 esac
2387 done
2388 }
2389
2390 msvc_common_flags(){
2391 for flag; do
2392 case $flag in
2393 # In addition to specifying certain flags under the compiler
2394 # specific filters, they must be specified here as well or else the
2395 # generic catch all at the bottom will print the original flag.
2396 -Wall) ;;
2397 -std=c99) ;;
2398 # Common flags
2399 -fomit-frame-pointer) ;;
2400 -g) echo -Z7 ;;
2401 -fno-math-errno) ;;
2402 -fno-common) ;;
2403 -fno-signed-zeros) ;;
2404 -fPIC) ;;
2405 -mthumb) ;;
2406 -march=*) ;;
2407 -lz) echo zlib.lib ;;
2408 -lavifil32) echo vfw32.lib ;;
2409 -lavicap32) echo vfw32.lib user32.lib ;;
2410 -l*) echo ${flag#-l}.lib ;;
2411 *) echo $flag ;;
2412 esac
2413 done
2414 }
2415
2416 msvc_flags(){
2417 msvc_common_flags "$@"
2418 for flag; do
2419 case $flag in
2420 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2421 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2422 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2423 -wd4273 ;;
2424 esac
2425 done
2426 }
2427
2428 icl_flags(){
2429 msvc_common_flags "$@"
2430 for flag; do
2431 case $flag in
2432 # Despite what Intel's documentation says -Wall, which is supported
2433 # on Windows, does enable remarks so disable them here.
2434 -Wall) echo $flag -Qdiag-disable:remark ;;
2435 -std=c99) echo -Qstd=c99 ;;
2436 esac
2437 done
2438 }
2439
2440 pgi_flags(){
2441 for flag; do
2442 case $flag in
2443 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2444 -fomit-frame-pointer) echo -Mnoframe ;;
2445 -g) echo -gopt ;;
2446 *) echo $flag ;;
2447 esac
2448 done
2449 }
2450
2451 suncc_flags(){
2452 for flag; do
2453 case $flag in
2454 -march=*|-mcpu=*)
2455 case "${flag#*=}" in
2456 native) echo -xtarget=native ;;
2457 v9|niagara) echo -xarch=sparc ;;
2458 ultrasparc) echo -xarch=sparcvis ;;
2459 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2460 i586|pentium) echo -xchip=pentium ;;
2461 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2462 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2463 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2464 pentium4*) echo -xtarget=pentium4 ;;
2465 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2466 *-sse3) echo -xarch=sse3 ;;
2467 core2) echo -xarch=ssse3 -xchip=core2 ;;
2468 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2469 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2470 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
2471 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2472 k8|opteron|athlon64|athlon-fx)
2473 echo -xarch=sse2a ;;
2474 athlon*) echo -xarch=pentium_proa ;;
2475 esac
2476 ;;
2477 -std=c99) echo -xc99 ;;
2478 -fomit-frame-pointer) echo -xregs=frameptr ;;
2479 -fPIC) echo -KPIC -xcode=pic32 ;;
2480 -W*,*) echo $flag ;;
2481 -f*-*|-W*|-mimpure-text) ;;
2482 -shared) echo -G ;;
2483 *) echo $flag ;;
2484 esac
2485 done
2486 }
2487
2488 tms470_flags(){
2489 for flag; do
2490 case $flag in
2491 -march=*|-mcpu=*)
2492 case "${flag#*=}" in
2493 armv7-a|cortex-a*) echo -mv=7a8 ;;
2494 armv7-r|cortex-r*) echo -mv=7r4 ;;
2495 armv7-m|cortex-m*) echo -mv=7m3 ;;
2496 armv6*|arm11*) echo -mv=6 ;;
2497 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2498 echo -mv=5e ;;
2499 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2500 esac
2501 ;;
2502 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2503 -mfpu=vfp) echo --float_support=vfpv2 ;;
2504 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2505 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
2506 -msoft-float) echo --float_support=vfplib ;;
2507 -O[0-3]|-mf=*) echo $flag ;;
2508 -g) echo -g -mn ;;
2509 -pds=*) echo $flag ;;
2510 -D*|-I*) echo $flag ;;
2511 --gcc|--abi=*) echo $flag ;;
2512 -me) echo $flag ;;
2513 esac
2514 done
2515 }
2516
2517 probe_cc(){
2518 pfx=$1
2519 _cc=$2
2520
2521 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2522 unset _ld_o _ldflags _ld_lib _ld_path
2523 unset _depflags _DEPCMD _DEPFLAGS
2524 _flags_filter=echo
2525
2526 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2527 _type=llvm_gcc
2528 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2529 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2530 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2531 _cflags_speed='-O3'
2532 _cflags_size='-Os'
2533 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2534 _type=gcc
2535 gcc_version=$($_cc --version | head -n1)
2536 gcc_basever=$($_cc -dumpversion)
2537 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2538 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2539 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2540 if ! $_cc -dumpversion | grep -q '^2\.'; then
2541 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2542 fi
2543 _cflags_speed='-O3'
2544 _cflags_size='-Os'
2545 elif $_cc --version 2>/dev/null | grep -q ^icc; then
2546 _type=icc
2547 _ident=$($_cc --version | head -n1)
2548 _depflags='-MMD'
2549 _cflags_speed='-O3'
2550 _cflags_size='-Os'
2551 _cflags_noopt='-O1'
2552 elif $_cc -v 2>&1 | grep -q xlc; then
2553 _type=xlc
2554 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2555 _cflags_speed='-O5'
2556 _cflags_size='-O5 -qcompact'
2557 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2558 _type=ccc
2559 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2560 _DEPFLAGS='-M'
2561 _cflags_speed='-fast'
2562 _cflags_size='-O1'
2563 _flags_filter=ccc_flags
2564 elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2565 test -d "$sysroot" || die "No valid sysroot specified."
2566 _type=armcc
2567 _ident=$($_cc --vsn | head -n1)
2568 armcc_conf="$PWD/armcc.conf"
2569 $_cc --arm_linux_configure \
2570 --arm_linux_config_file="$armcc_conf" \
2571 --configure_sysroot="$sysroot" \
2572 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2573 die "Error creating armcc configuration file."
2574 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2575 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2576 as_default="${cross_prefix}gcc"
2577 _depflags='-MMD'
2578 _cflags_speed='-O3'
2579 _cflags_size='-Os'
2580 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2581 _type=tms470
2582 _ident=$($_cc -version | head -n1 | tr -s ' ')
2583 _flags='--gcc --abi=eabi -me'
2584 _cc_e='-ppl -fe=$@'
2585 _cc_o='-fe=$@'
2586 _depflags='-ppa -ppd=$(@:.o=.d)'
2587 _cflags_speed='-O3 -mf=5'
2588 _cflags_size='-O3 -mf=2'
2589 _flags_filter=tms470_flags
2590 elif $_cc -v 2>&1 | grep -q clang; then
2591 _type=clang
2592 _ident=$($_cc --version | head -n1)
2593 _depflags='-MMD'
2594 _cflags_speed='-O3'
2595 _cflags_size='-Os'
2596 elif $_cc -V 2>&1 | grep -q Sun; then
2597 _type=suncc
2598 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2599 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2600 _DEPFLAGS='-xM1 -xc99'
2601 _ldflags='-std=c99'
2602 _cflags_speed='-O5'
2603 _cflags_size='-O5 -xspace'
2604 _flags_filter=suncc_flags
2605 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2606 _type=pathscale
2607 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2608 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2609 _cflags_speed='-O2'
2610 _cflags_size='-Os'
2611 _flags_filter='filter_out -Wdisabled-optimization'
2612 elif $_cc -v 2>&1 | grep -q Open64; then
2613 _type=open64
2614 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2615 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2616 _cflags_speed='-O2'
2617 _cflags_size='-Os'
2618 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2619 elif $_cc -V 2>&1 | grep -q Portland; then
2620 _type=pgi
2621 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2622 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
2623 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2624 _cflags_size="-O2 -Munroll=c:1 $opt_common"
2625 _cflags_noopt="-O1"
2626 _flags_filter=pgi_flags
2627 elif $_cc 2>&1 | grep -q Microsoft; then
2628 _type=msvc
2629 _ident=$($cc 2>&1 | head -n1)
2630 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
2631 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
2632 _cflags_speed="-O2"
2633 _cflags_size="-O1"
2634 # Nonstandard output options, to avoid msys path conversion issues.
2635 # Relies on wrapper to remap it.
2636 if $_cc 2>&1 | grep -q Linker; then
2637 _ld_o='-out $@'
2638 else
2639 _ld_o='-Fe$@'
2640 fi
2641 _cc_o='-Fo $@'
2642 _cc_e='-P -Fi $@'
2643 _flags_filter=msvc_flags
2644 _ld_lib='lib%.a'
2645 _ld_path='-libpath:'
2646 _flags='-nologo'
2647 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
2648 if [ $pfx = hostcc ]; then
2649 append _cflags -Dsnprintf=_snprintf
2650 fi
2651 elif $_cc 2>&1 | grep -q Intel; then
2652 _type=icl
2653 _ident=$($cc 2>&1 | head -n1)
2654 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
2655 # Not only is O3 broken on 13.x+ but it is slower on all previous
2656 # versions (tested) as well.
2657 _cflags_speed="-O2"
2658 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
2659 # Nonstandard output options, to avoid msys path conversion issues.
2660 # Relies on wrapper to remap it.
2661 if $_cc 2>&1 | grep -q Linker; then
2662 _ld_o='-out $@'
2663 else
2664 _ld_o='-Fe$@'
2665 fi
2666 _cc_o='-Fo $@'
2667 _cc_e='-P'
2668 _flags_filter=icl_flags
2669 _ld_lib='lib%.a'
2670 _ld_path='-libpath:'
2671 # -Qdiag-error to make icl error when seeing certain unknown arguments
2672 _flags='-nologo -Qdiag-error:4044,10157'
2673 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
2674 # with MSVC which enables it by default.
2675 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
2676 if [ $pfx = hostcc ]; then
2677 append _cflags -Dsnprintf=_snprintf
2678 fi
2679 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
2680 _type=cparser
2681 _ident=$($_cc --version | head -n1)
2682 _depflags='-MMD'
2683 _cflags_speed='-O4'
2684 _cflags_size='-O2'
2685 _flags_filter=cparser_flags
2686 fi
2687
2688 eval ${pfx}_type=\$_type
2689 eval ${pfx}_ident=\$_ident
2690 }
2691
2692 set_ccvars(){
2693 eval ${1}_C=\${_cc_c-\${${1}_C}}
2694 eval ${1}_E=\${_cc_e-\${${1}_E}}
2695 eval ${1}_O=\${_cc_o-\${${1}_O}}
2696
2697 if [ -n "$_depflags" ]; then
2698 eval ${1}_DEPFLAGS=\$_depflags
2699 else
2700 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2701 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2702 eval DEP${1}FLAGS=\$_flags
2703 fi
2704 }
2705
2706 probe_cc cc "$cc"
2707 cflags_filter=$_flags_filter
2708 cflags_speed=$_cflags_speed
2709 cflags_size=$_cflags_size
2710 cflags_noopt=$_cflags_noopt
2711 add_cflags $_flags $_cflags
2712 cc_ldflags=$_ldflags
2713 set_ccvars CC
2714
2715 probe_cc hostcc "$host_cc"
2716 host_cflags_filter=$_flags_filter
2717 add_host_cflags $_flags $_cflags
2718 set_ccvars HOSTCC
2719
2720 test -n "$cc_type" && enable $cc_type ||
2721 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2722
2723 : ${as_default:=$cc}
2724 : ${dep_cc_default:=$cc}
2725 : ${ld_default:=$cc}
2726 : ${host_ld_default:=$host_cc}
2727 set_default ar as dep_cc ld host_ld
2728
2729 probe_cc as "$as"
2730 asflags_filter=$_flags_filter
2731 add_asflags $_flags $_cflags
2732 set_ccvars AS
2733
2734 probe_cc ld "$ld"
2735 ldflags_filter=$_flags_filter
2736 add_ldflags $_flags $_ldflags
2737 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2738 LD_O=${_ld_o-$LD_O}
2739 LD_LIB=${_ld_lib-$LD_LIB}
2740 LD_PATH=${_ld_path-$LD_PATH}
2741
2742 probe_cc hostld "$host_ld"
2743 host_ldflags_filter=$_flags_filter
2744 add_host_ldflags $_flags $_ldflags
2745 HOSTLD_O=${_ld_o-$HOSTLD_O}
2746
2747 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2748 probe_cc depcc "$dep_cc"
2749 CCDEP=${_DEPCMD:-$DEPCMD}
2750 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2751 DEPCCFLAGS=$_flags
2752 fi
2753
2754 if $ar 2>&1 | grep -q Microsoft; then
2755 arflags="-nologo"
2756 ar_o='-out:$@'
2757 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
2758 arflags="rq"
2759 ar_o='$@'
2760 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
2761 arflags='-Xany -r -c'
2762 ar_o='$@'
2763 else
2764 arflags="rc"
2765 ar_o='$@'
2766 fi
2767
2768 add_cflags $extra_cflags
2769 add_asflags $extra_cflags
2770
2771 if test -n "$sysroot"; then
2772 case "$cc_type" in
2773 gcc|llvm_gcc|clang)
2774 add_cppflags --sysroot="$sysroot"
2775 add_ldflags --sysroot="$sysroot"
2776 ;;
2777 tms470)
2778 add_cppflags -I"$sysinclude"
2779 add_ldflags --sysroot="$sysroot"
2780 ;;
2781 esac
2782 fi
2783
2784 if test "$cpu" = host; then
2785 enabled cross_compile &&
2786 die "--cpu=host makes no sense when cross-compiling."
2787
2788 case "$cc_type" in
2789 gcc|llvm_gcc)
2790 check_native(){
2791 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2792 sed -n "/cc1.*$1=/{
2793 s/.*$1=\\([^ ]*\\).*/\\1/
2794 p
2795 q
2796 }" $TMPE
2797 }
2798 cpu=$(check_native -march || check_native -mcpu)
2799 ;;
2800 esac
2801
2802 test "${cpu:-host}" = host &&
2803 die "--cpu=host not supported with compiler $cc"
2804 fi
2805
2806 # Deal with common $arch aliases
2807 case "$arch" in
2808 aarch64|arm64)
2809 arch="aarch64"
2810 ;;
2811 arm*)
2812 arch="arm"
2813 ;;
2814 mips*|IP*)
2815 arch="mips"
2816 ;;
2817 parisc*|hppa*)
2818 arch="parisc"
2819 ;;
2820 "Power Macintosh"|ppc*|powerpc*)
2821 arch="ppc"
2822 ;;
2823 s390|s390x)
2824 arch="s390"
2825 ;;
2826 sh4|sh)
2827 arch="sh4"
2828 ;;
2829 sun4u|sparc*)
2830 arch="sparc"
2831 ;;
2832 tilegx|tile-gx)
2833 arch="tilegx"
2834 ;;
2835 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2836 arch="x86"
2837 ;;
2838 esac
2839
2840 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2841 enable $arch
2842
2843 # Add processor-specific flags
2844 if enabled aarch64; then
2845
2846 case $cpu in
2847 armv*)
2848 cpuflags="-march=$cpu"
2849 ;;
2850 *)
2851 cpuflags="-mcpu=$cpu"
2852 ;;
2853 esac
2854
2855 elif enabled alpha; then
2856
2857 cpuflags="-mcpu=$cpu"
2858
2859 elif enabled arm; then
2860
2861 check_arm_arch() {
2862 check_cpp_condition stddef.h \
2863 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
2864 $cpuflags
2865 }
2866
2867 probe_arm_arch() {
2868 if check_arm_arch 4; then echo armv4;
2869 elif check_arm_arch 4T; then echo armv4t;
2870 elif check_arm_arch 5; then echo armv5;
2871 elif check_arm_arch 5E; then echo armv5e;
2872 elif check_arm_arch 5T; then echo armv5t;
2873 elif check_arm_arch 5TE; then echo armv5te;
2874 elif check_arm_arch 5TEJ; then echo armv5te;
2875 elif check_arm_arch 6; then echo armv6;
2876 elif check_arm_arch 6J; then echo armv6j;
2877 elif check_arm_arch 6K; then echo armv6k;
2878 elif check_arm_arch 6Z; then echo armv6z;
2879 elif check_arm_arch 6ZK; then echo armv6zk;
2880 elif check_arm_arch 6T2; then echo armv6t2;
2881 elif check_arm_arch 7; then echo armv7;
2882 elif check_arm_arch 7A 7_A; then echo armv7-a;
2883 elif check_arm_arch 7R 7_R; then echo armv7-r;
2884 elif check_arm_arch 7M 7_M; then echo armv7-m;
2885 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
2886 elif check_arm_arch 8A 8_A; then echo armv8-a;
2887 fi
2888 }
2889
2890 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
2891
2892 case $cpu in
2893 armv*)
2894 cpuflags="-march=$cpu"
2895 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2896 ;;
2897 *)
2898 cpuflags="-mcpu=$cpu"
2899 case $cpu in
2900 cortex-a*) subarch=armv7a ;;
2901 cortex-r*) subarch=armv7r ;;
2902 cortex-m*) enable thumb; subarch=armv7m ;;
2903 arm11*) subarch=armv6 ;;
2904 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2905 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2906 *) subarch=$(probe_arm_arch) ;;
2907 esac
2908 ;;
2909 esac
2910
2911 case "$subarch" in
2912 armv5t*) enable fast_clz ;;
2913 armv[6-8]*) enable fast_clz fast_unaligned ;;
2914 esac
2915
2916 elif enabled avr32; then
2917
2918 case $cpu in
2919 ap7[02]0[0-2])
2920 subarch="avr32_ap"
2921 cpuflags="-mpart=$cpu"
2922 ;;
2923 ap)
2924 subarch="avr32_ap"
2925 cpuflags="-march=$cpu"
2926 ;;
2927 uc3[ab]*)
2928 subarch="avr32_uc"
2929 cpuflags="-mcpu=$cpu"
2930 ;;
2931 uc)
2932 subarch="avr32_uc"
2933 cpuflags="-march=$cpu"
2934 ;;
2935 esac
2936
2937 elif enabled bfin; then
2938
2939 cpuflags="-mcpu=$cpu"
2940
2941 elif enabled mips; then
2942
2943 cpuflags="-march=$cpu"
2944
2945 elif enabled ppc; then
2946
2947 case $(tolower $cpu) in
2948 601|ppc601|powerpc601)
2949 cpuflags="-mcpu=601"
2950 disable altivec
2951 ;;
2952 603*|ppc603*|powerpc603*)
2953 cpuflags="-mcpu=603"
2954 disable altivec
2955 ;;
2956 604*|ppc604*|powerpc604*)
2957 cpuflags="-mcpu=604"
2958 disable altivec
2959 ;;
2960 g3|75*|ppc75*|powerpc75*)
2961 cpuflags="-mcpu=750"
2962 disable altivec
2963 ;;
2964 g4|745*|ppc745*|powerpc745*)
2965 cpuflags="-mcpu=7450"
2966 ;;
2967 74*|ppc74*|powerpc74*)
2968 cpuflags="-mcpu=7400"
2969 ;;
2970 g5|970|ppc970|powerpc970)
2971 cpuflags="-mcpu=970"
2972 ;;
2973 power[3-7]*)
2974 cpuflags="-mcpu=$cpu"
2975 ;;
2976 cell)
2977 cpuflags="-mcpu=cell"
2978 enable ldbrx
2979 ;;
2980 e500mc)
2981 cpuflags="-mcpu=e500mc"
2982 disable altivec
2983 ;;
2984 e500v2)
2985 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2986 disable altivec
2987 ;;
2988 e500)
2989 cpuflags="-mcpu=8540 -mhard-float"
2990 disable altivec
2991 ;;
2992 esac
2993
2994 elif enabled sparc; then
2995
2996 case $cpu in
2997 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
2998 cpuflags="-mcpu=$cpu"
2999 disable vis
3000 ;;
3001 ultrasparc*|niagara[234])
3002 cpuflags="-mcpu=$cpu"
3003 ;;
3004 esac
3005
3006 elif enabled x86; then
3007
3008 case $cpu in
3009 i[345]86|pentium)
3010 cpuflags="-march=$cpu"
3011 disable mmx
3012 ;;
3013 # targets that do NOT support nopl and conditional mov (cmov)
3014 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3015 cpuflags="-march=$cpu"
3016 disable i686
3017 ;;
3018 # targets that do support nopl and conditional mov (cmov)
3019 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3020 cpuflags="-march=$cpu"
3021 enable i686
3022 enable fast_cmov
3023 ;;
3024 # targets that do support conditional mov but on which it's slow
3025 pentium4|pentium4m|prescott|nocona)
3026 cpuflags="-march=$cpu"
3027 enable i686
3028 disable fast_cmov
3029 ;;
3030 esac
3031
3032 fi
3033
3034 if [ "$cpu" != generic ]; then
3035 add_cflags $cpuflags
3036 add_asflags $cpuflags
3037 fi
3038
3039 # compiler sanity check
3040 check_exec <<EOF
3041 int main(void){ return 0; }
3042 EOF
3043 if test "$?" != 0; then
3044 echo "$cc is unable to create an executable file."
3045 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3046 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3047 echo "Only do this if you know what cross compiling means."
3048 fi
3049 die "C compiler test failed."
3050 fi
3051
3052 add_cppflags -D_ISOC99_SOURCE
3053 check_cflags -std=c99
3054 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3055 #include <stdlib.h>
3056 EOF
3057 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3058 #include <stdlib.h>
3059 EOF
3060
3061 check_host_cflags -std=c99
3062 check_host_cflags -Wall
3063
3064 check_64bit(){
3065 arch32=$1
3066 arch64=$2
3067 expr=$3
3068 check_code cc "" "int test[2*($expr) - 1]" &&
3069 subarch=$arch64 || subarch=$arch32
3070 }
3071
3072 case "$arch" in
3073 aarch64|alpha|ia64)
3074 spic=$shared
3075 ;;
3076 mips)
3077 check_64bit mips mips64 '_MIPS_SIM > 1'
3078 spic=$shared
3079 ;;
3080 parisc)
3081 check_64bit parisc parisc64 'sizeof(void *) > 4'
3082 spic=$shared
3083 ;;
3084 ppc)
3085 check_64bit ppc ppc64 'sizeof(void *) > 4'
3086 spic=$shared
3087 ;;
3088 sparc)
3089 check_64bit sparc sparc64 'sizeof(void *) > 4'
3090 spic=$shared
3091 ;;
3092 x86)
3093 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3094 if test "$subarch" = "x86_64"; then
3095 spic=$shared
3096 fi
3097 ;;
3098 esac
3099
3100 enable $subarch
3101 enabled spic && enable_weak pic
3102
3103 # OS specific
3104 case $target_os in
3105 aix)
3106 SHFLAGS=-shared
3107 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3108 enabled shared && add_ldflags -Wl,-brtl
3109 ;;
3110 haiku)
3111 prefix_default="/boot/common"
3112 network_extralibs="-lnetwork"
3113 host_libs=
3114 ;;
3115 sunos)
3116 SHFLAGS='-shared -Wl,-h,$$(@F)'
3117 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3118 network_extralibs="-lsocket -lnsl"
3119 add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3120 # When using suncc to build, the Solaris linker will mark
3121 # an executable with each instruction set encountered by
3122 # the Solaris assembler. As our libraries contain their own
3123 # guards for processor-specific code, instead suppress
3124 # generation of the HWCAPS ELF section on Solaris x86 only.
3125 enabled_all suncc x86 &&
3126 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3127 add_ldflags -Wl,-M,mapfile
3128 nm_default='nm -P -g'
3129 ;;
3130 netbsd)
3131 disable symver
3132 oss_indev_extralibs="-lossaudio"
3133 oss_outdev_extralibs="-lossaudio"
3134 ;;
3135 openbsd|bitrig)
3136 disable symver
3137 SHFLAGS='-shared'
3138 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3139 SLIB_INSTALL_LINKS=
3140 oss_indev_extralibs="-lossaudio"
3141 oss_outdev_extralibs="-lossaudio"
3142 ;;
3143 dragonfly)
3144 disable symver
3145 ;;
3146 freebsd)
3147 ;;
3148 bsd/os)
3149 add_extralibs -lpoll -lgnugetopt
3150 ;;
3151 darwin)
3152 gas="gas-preprocessor.pl $cc"
3153 enabled ppc && add_asflags -force_cpusubtype_ALL
3154 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3155 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3156 add_ldflags -Wl,-dynamic,-search_paths_first
3157 SLIBSUF=".dylib"
3158 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3159 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3160 objformat="macho"
3161 enabled x86_64 && objformat="macho64"
3162 enabled_any pic shared ||
3163 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3164 ;;
3165 mingw32*)
3166 if test $target_os = "mingw32ce"; then
3167 disable network
3168 else
3169 target_os=mingw32
3170 fi
3171 LIBTARGET=i386
3172 if enabled x86_64; then
3173 LIBTARGET="i386:x86-64"
3174 elif enabled arm; then
3175 LIBTARGET=arm-wince
3176 fi
3177 check_ldflags -Wl,--nxcompat
3178 check_ldflags -Wl,--dynamicbase
3179 shlibdir_default="$bindir_default"
3180 SLIBPREF=""
3181 SLIBSUF=".dll"
3182 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3183 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3184 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3185 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3186 SLIB_INSTALL_LINKS=
3187 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3188 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3189 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3190 objformat="win32"
3191 dlltool="${cross_prefix}dlltool"
3192 ranlib=:
3193 enable dos_paths
3194 ;;
3195 win32|win64)
3196 if enabled shared; then
3197 # Link to the import library instead of the normal static library
3198 # for shared libs.
3199 LD_LIB='%.lib'
3200 # Cannot build both shared and static libs with MSVC or icl.
3201 disable static
3202 fi
3203 shlibdir_default="$bindir_default"
3204 SLIBPREF=""
3205 SLIBSUF=".dll"
3206 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3207 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3208 SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3209 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3210 SLIB_INSTALL_LINKS=
3211 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3212 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3213 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3214 objformat="win32"
3215 ranlib=:
3216 enable dos_paths
3217 ;;
3218 cygwin*)
3219 target_os=cygwin
3220 shlibdir_default="$bindir_default"
3221 SLIBPREF="cyg"
3222 SLIBSUF=".dll"
3223 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3224 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3225 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3226 SLIB_INSTALL_LINKS=
3227 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3228 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3229 objformat="win32"
3230 enable dos_paths
3231 ;;
3232 *-dos|freedos|opendos)
3233 network_extralibs="-lsocket"
3234 objformat="coff"
3235 enable dos_paths
3236 add_cppflags -U__STRICT_ANSI__
3237 ;;
3238 linux)
3239 enable dv1394
3240 ;;
3241 irix*)
3242 target_os=irix
3243 ranlib="echo ignoring ranlib"
3244 ;;
3245 os/2*)
3246 ln_s="cp -f"
3247 objformat="aout"
3248 add_cppflags -D_GNU_SOURCE
3249 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3250 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3251 LIBSUF="_s.a"
3252 SLIBPREF=""
3253 SLIBSUF=".dll"
3254 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3255 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3256 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3257 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
3258 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3259 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3260 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3261 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3262 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3263 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3264 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3265 enable dos_paths
3266 ;;
3267 gnu/kfreebsd)
3268 add_cppflags -D_BSD_SOURCE
3269 ;;
3270 gnu)
3271 ;;
3272 qnx)
3273 add_cppflags -D_QNX_SOURCE
3274 network_extralibs="-lsocket"
3275 ;;
3276 symbian)
3277 SLIBSUF=".dll"
3278 enable dos_paths
3279 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3280 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3281 add_ldflags -Wl,--target1-abs,--no-undefined \
3282 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3283 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3284 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3285 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3286 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3287 ;;
3288 osf1)
3289 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3290 ;;
3291 minix)
3292 ;;
3293 plan9)
3294 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3295 -D_REENTRANT_SOURCE \
3296 -D_RESEARCH_SOURCE \
3297 -DFD_SETSIZE=96 \
3298 -DHAVE_SOCK_OPTS
3299 add_compat strtod.o strtod=avpriv_strtod
3300 network_extralibs='-lbsd'
3301 exeobjs=compat/plan9/main.o
3302 disable avserver
3303 cp_f='cp'
3304 ;;
3305 none)
3306 ;;
3307 *)
3308 die "Unknown OS '$target_os'."
3309 ;;
3310 esac
3311
3312 # determine libc flavour
3313
3314 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3315 if check_cpp_condition features.h "defined __UCLIBC__"; then
3316 libc_type=uclibc
3317 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3318 elif check_cpp_condition features.h "defined __GLIBC__"; then
3319 libc_type=glibc
3320 add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3321 # MinGW headers can be installed on Cygwin, so check for newlib first.
3322 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3323 libc_type=newlib
3324 add_cppflags -U__STRICT_ANSI__
3325 elif check_header _mingw.h; then
3326 libc_type=mingw
3327 check_cpp_condition _mingw.h \
3328 "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
3329 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3330 die "ERROR: MinGW runtime version must be >= 3.15."
3331 add_cppflags -U__STRICT_ANSI__
3332 elif check_func_headers stdlib.h _get_doserrno; then
3333 libc_type=msvcrt
3334 add_compat strtod.o strtod=avpriv_strtod
3335 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3336 _snprintf=avpriv_snprintf \
3337 vsnprintf=avpriv_vsnprintf
3338 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3339 # 0x601 by default unless something else is set by the user.
3340 # This can easily lead to us detecting functions only present
3341 # in such new versions and producing binaries requiring windows 7.0.
3342 # Therefore explicitly set the default to XP unless the user has
3343 # set something else on the command line.
3344 check_cpp_condition stdlib.h "defined(_WIN32_WINNT)" || add_cppflags -D_WIN32_WINNT=0x0502
3345 elif check_cpp_condition stddef.h "defined __KLIBC__"; then
3346 libc_type=klibc
3347 elif check_cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3348 libc_type=bionic
3349 add_compat strtod.o strtod=avpriv_strtod
3350 fi
3351
3352 test -n "$libc_type" && enable $libc_type
3353
3354 # hacks for compiler/libc/os combinations
3355
3356 if enabled_all tms470 glibc; then
3357 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3358 add_cppflags -D__USER_LABEL_PREFIX__=
3359 add_cppflags -D__builtin_memset=memset
3360 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3361 add_cflags -pds=48 # incompatible redefinition of macro
3362 fi
3363
3364 if enabled_all ccc glibc; then
3365 add_ldflags -Wl,-z,now # calls to libots crash without this
3366 fi
3367
3368 esc(){
3369 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3370 }
3371
3372 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
3373
3374 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
3375
3376 set_default $PATHS_LIST
3377 set_default nm
3378
3379 # we need to build at least one lib type
3380 if ! enabled_any static shared; then
3381 cat <<EOF
3382 At least one library type must be built.
3383 Specify --enable-static to build the static libraries or --enable-shared to
3384 build the shared libraries as well. To only build the shared libraries specify
3385 --disable-static in addition to --enable-shared.
3386 EOF
3387 exit 1;
3388 fi
3389
3390 die_license_disabled() {
3391 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3392 }
3393
3394 die_license_disabled gpl libcdio
3395 die_license_disabled gpl libx264
3396 die_license_disabled gpl libxavs
3397 die_license_disabled gpl libxvid
3398 die_license_disabled gpl x11grab
3399
3400 die_license_disabled nonfree libfaac
3401 die_license_disabled nonfree libfdk_aac
3402 die_license_disabled nonfree openssl
3403
3404 die_license_disabled version3 libopencore_amrnb
3405 die_license_disabled version3 libopencore_amrwb
3406 die_license_disabled version3 libvo_aacenc
3407 die_license_disabled version3 libvo_amrwbenc
3408
3409 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3410
3411 disabled optimizations || check_cflags -fomit-frame-pointer
3412
3413 enable_weak_pic() {
3414 disabled pic && return
3415 enable pic
3416 add_cppflags -DPIC
3417 case "$target_os" in
3418 mingw*|cygwin*)
3419 ;;
3420 *)
3421 add_cflags -fPIC
3422 ;;
3423 esac
3424 add_asflags -fPIC
3425 }
3426
3427 enabled pic && enable_weak_pic
3428
3429 check_cc <<EOF || die "Symbol mangling check failed."
3430 int ff_extern;
3431 EOF
3432 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3433 extern_prefix=${sym%%ff_extern*}
3434
3435 check_cc <<EOF && enable_weak inline_asm
3436 void foo(void) { __asm__ volatile ("" ::); }
3437 EOF
3438
3439 _restrict=
3440 for restrict_keyword in restrict __restrict__ __restrict; do
3441 check_cc <<EOF && _restrict=$restrict_keyword && break
3442 void foo(char * $restrict_keyword p);
3443 EOF
3444 done
3445
3446 check_cc <<EOF && enable pragma_deprecated
3447 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
3448 EOF
3449
3450 check_cc <<EOF && enable attribute_packed
3451 struct { int x; } __attribute__((packed)) x;
3452 EOF
3453
3454 check_cc <<EOF && enable attribute_may_alias
3455 union { int x; } __attribute__((may_alias)) x;
3456 EOF
3457
3458 check_cc <<EOF || die "endian test failed"
3459 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3460 EOF
3461 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3462
3463 check_inline_asm inline_asm_labels '"1:\n"'
3464
3465 if enabled alpha; then
3466
3467 check_cflags -mieee
3468
3469 elif enabled arm; then
3470
3471 check_cpp_condition stddef.h "defined __thumb__" && enable_weak thumb
3472 enabled thumb && check_cflags -mthumb || check_cflags -marm
3473 nogas=die
3474
3475 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3476 enable vfp_args
3477 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3478 case "${cross_prefix:-$cc}" in
3479 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3480 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3481 __asm__ (".eabi_attribute 28, 1");
3482 int main(void) { return 0; }
3483 EOF
3484 esac
3485 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3486 fi
3487
3488 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
3489 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
3490 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
3491 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
3492 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
3493 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
3494
3495 [ $target_os = linux ] ||
3496 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
3497 $ARCH_EXT_LIST_ARM
3498
3499 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3500 check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3501
3502 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
3503
3504 elif enabled mips; then
3505
3506 check_inline_asm loongson '"dmult.g $1, $2, $3"'
3507
3508 elif enabled parisc; then
3509
3510 if enabled gcc; then
3511 case $($cc -dumpversion) in
3512 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
3513 esac
3514 fi
3515
3516 elif enabled ppc; then
3517
3518 enable local_aligned_8 local_aligned_16
3519
3520 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
3521 check_inline_asm ibm_asm '"add 0, 0, 0"'
3522 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
3523 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3524
3525 # AltiVec flags: The FSF version of GCC differs from the Apple version
3526 if enabled altivec; then
3527 nogas=warn
3528 check_cflags -maltivec -mabi=altivec &&
3529 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3530 check_cflags -faltivec
3531
3532 # check if our compiler supports Motorola AltiVec C API
3533 check_cc <<EOF || disable altivec
3534 $inc_altivec_h
3535 int main(void) {
3536 vector signed int v1 = (vector signed int) { 0 };
3537 vector signed int v2 = (vector signed int) { 1 };
3538 v1 = vec_add(v1, v2);
3539 return 0;
3540 }
3541 EOF
3542
3543 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
3544 fi
3545
3546 elif enabled sparc; then
3547
3548 enabled vis && check_inline_asm vis '"pdist %f0, %f0, %f0"'
3549
3550 elif enabled x86; then
3551
3552 check_builtin rdtsc intrin.h "__rdtsc()"
3553 check_builtin mm_empty mmintrin.h "_mm_empty()"
3554
3555 enable local_aligned_8 local_aligned_16
3556
3557 # check whether EBP is available on x86
3558 # As 'i' is stored on the stack, this program will crash
3559 # if the base pointer is used to access it because the
3560 # base pointer is cleared in the inline assembly code.
3561 check_exec_crash <<EOF && enable ebp_available
3562 volatile int i=0;
3563 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
3564 return i;
3565 EOF
3566
3567 # check whether EBX is available on x86
3568 check_inline_asm ebx_available '""::"b"(0)' &&
3569 check_inline_asm ebx_available '"":::"%ebx"'
3570
3571 # check whether xmm clobbers are supported
3572 check_inline_asm xmm_clobbers '"":::"%xmm0"'
3573
3574 # check whether binutils is new enough to compile SSSE3/MMXEXT
3575 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
3576 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
3577
3578 if ! disabled_any asm mmx yasm; then
3579 if check_cmd $yasmexe --version; then
3580 enabled x86_64 && yasm_extra="-m amd64"
3581 yasm_debug="-g dwarf2"
3582 elif check_cmd nasm -v; then
3583 yasmexe=nasm
3584 yasm_debug="-g -F dwarf"
3585 enabled x86_64 && test "$objformat" = elf && objformat=elf64
3586 fi
3587
3588 YASMFLAGS="-f $objformat $yasm_extra"
3589 enabled pic && append YASMFLAGS "-DPIC"
3590 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
3591 case "$objformat" in
3592 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3593 esac
3594
3595 check_yasm "movbe ecx, [5]" && enable yasm ||
3596 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
3597 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
3598 check_yasm "CPU amdnop" && enable cpunop
3599 fi
3600
3601 case "$cpu" in
3602 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3603 disable fast_clz
3604 ;;
3605 esac
3606
3607 fi
3608
3609 if enabled asm; then
3610 as=${gas:=$as}
3611 check_as <<EOF && enable gnu_as || \
3612 $nogas "GNU assembler not found, install gas-preprocessor"
3613 .macro m n
3614 \n: .int 0
3615 .endm
3616 m x
3617 EOF
3618 fi
3619
3620 check_ldflags -Wl,--as-needed
3621
3622 if check_func dlopen; then
3623 ldl=
3624 elif check_func dlopen -ldl; then
3625 ldl=-ldl
3626 fi
3627
3628 if ! disabled network; then
3629 check_type "sys/types.h sys/socket.h" socklen_t
3630 check_type netdb.h "struct addrinfo"
3631 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3632 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
3633 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3634 check_type netinet/in.h "struct sockaddr_in6"
3635 check_type poll.h "struct pollfd"
3636 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3637 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3638 check_type netinet/sctp.h "struct sctp_event_subscribe"
3639 check_func getaddrinfo $network_extralibs
3640 check_func getservbyport $network_extralibs
3641 # Prefer arpa/inet.h over winsock2
3642 if check_header arpa/inet.h ; then
3643 check_func closesocket
3644 elif check_header winsock2.h ; then
3645 check_func_headers winsock2.h closesocket -lws2 &&
3646 network_extralibs="-lws2" ||
3647 { check_func_headers winsock2.h closesocket -lws2_32 &&
3648 network_extralibs="-lws2_32"; }
3649 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
3650 check_type ws2tcpip.h socklen_t
3651 check_type ws2tcpip.h "struct addrinfo"
3652 check_type ws2tcpip.h "struct group_source_req"
3653 check_type ws2tcpip.h "struct ip_mreq_source"
3654 check_type ws2tcpip.h "struct ipv6_mreq"
3655 check_type winsock2.h "struct pollfd"
3656 check_type ws2tcpip.h "struct sockaddr_in6"
3657 check_type ws2tcpip.h "struct sockaddr_storage"
3658 check_struct winsock2.h "struct sockaddr" sa_len
3659 else
3660 disable network
3661 fi
3662 fi
3663
3664 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3665 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3666
3667 check_func fcntl
3668 check_func fork
3669 check_func_headers stdlib.h getenv
3670 check_func gethrtime
3671 check_func getopt
3672 check_func getrusage
3673 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3674 check_func gettimeofday
3675 check_func inet_aton $network_extralibs
3676 check_func isatty
3677 check_func localtime_r
3678 check_func ${malloc_prefix}memalign && enable memalign
3679 check_func mkstemp
3680 check_func mmap
3681 check_func mprotect
3682 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
3683 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
3684 check_func setrlimit
3685 check_func strerror_r
3686 check_func strptime
3687 check_func strtok_r
3688 check_func sched_getaffinity
3689 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
3690 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
3691 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
3692 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
3693 check_func sysconf
3694 check_func sysctl
3695 check_func usleep
3696 check_func_headers io.h setmode
3697 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
3698 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
3699 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3700 check_func_headers windows.h GetProcessAffinityMask
3701 check_func_headers windows.h GetProcessTimes
3702 check_func_headers windows.h GetSystemTimeAsFileTime
3703 check_func_headers windows.h MapViewOfFile